[syzbot] INFO: rcu detected stall in syscall_exit_to_user_mode (2)

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syzbot

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Dec 5, 2022, 2:46:43 PM12/5/22
to linux-...@vger.kernel.org, syzkall...@googlegroups.com, tg...@linutronix.de
Hello,

syzbot found the following issue on:

HEAD commit: b7b275e60bcd Linux 6.1-rc7
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=130547ed880000
kernel config: https://syzkaller.appspot.com/x/.config?x=4aa2a38f1d88bd1c
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/e34e673da4d5/disk-b7b275e6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/7cb6f1db443a/vmlinux-b7b275e6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9e69ef57132c/bzImage-b7b275e6.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a68ef3...@syzkaller.appspotmail.com

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (0 ticks this GP) idle=7484/1/0x4000000000000000 softirq=89542/89542 fqs=2
(detected by 1, t=10506 jiffies, g=139089, q=62 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 27664 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4729 [inline]
RIP: 0010:__lock_acquire+0x423/0x56d0 kernel/locking/lockdep.c:5005
Code: 6c 6d 00 48 c1 e5 06 48 81 c5 60 be 0e 91 48 8d bd b8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 <84> c0 74 06 0f 8e 5e 11 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffffc90000007bb8 EFLAGS: 00000802
RAX: 0000000000000000 RBX: ffff88802e6a8c10 RCX: ffffffff8161c8d9
RDX: 1ffffffff221e09b RSI: 0000000000000008 RDI: ffffffff910f04d8
RBP: ffffffff910f0420 R08: 0000000000000000 R09: ffffffff910eba4f
R10: fffffbfff221d749 R11: 0000000000000000 R12: ffff88802e6a8c60
R13: ffff88802e6a81c0 R14: ffff8880b9a2b598 R15: 0000000000044000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001100 CR3: 0000000021bed000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
lock_acquire kernel/locking/lockdep.c:5668 [inline]
lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x266/0xfb0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
__sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:folio_batch_count include/linux/pagevec.h:108 [inline]
RIP: 0010:lru_add_drain_cpu+0xdf/0x850 mm/swap.c:673
Code: c1 ea 03 80 3c 02 00 0f 85 99 06 00 00 4c 03 24 ed e0 e8 ff 8b 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 0f b6 04 02 <84> c0 74 06 0f 8e e5 05 00 00 45 0f b6 2c 24 31 ff 44 89 ee e8 e8
RSP: 0018:ffffc9000af1f928 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffff8880b9a35d20 RCX: 0000000000000000
RDX: 1ffff11017346c02 RSI: ffffffff81ac89e6 RDI: ffff8880b9a35d51
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc9000af1f6c0
R10: fffff520015e3edc R11: 0000000000000000 R12: ffff8880b9a36010
R13: ffff8880b9a35d50 R14: ffff88802e6a81c0 R15: ffffffff8bffe8e0
lru_add_drain+0x10c/0x440 mm/swap.c:773
exit_mmap+0x163/0x7b0 mm/mmap.c:3089
__mmput+0x128/0x4c0 kernel/fork.c:1185
mmput+0x60/0x70 kernel/fork.c:1207
exit_mm kernel/exit.c:516 [inline]
do_exit+0xa41/0x2a30 kernel/exit.c:807
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
get_signal+0x21b1/0x2440 kernel/signal.c:2858
arch_do_signal_or_restart+0x86/0x2300 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0fe108c0d9
Code: Unable to access opcode bytes at 0x7f0fe108c0af.
RSP: 002b:00007f0fe1ecd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f0fe11abf88 RCX: 00007f0fe108c0d9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0fe11abf8c
RBP: 00007f0fe11abf80 R08: 00007ffea33a9080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0fe11abf8c
R13: 00007ffea331029f R14: 00007f0fe1ecd300 R15: 0000000000022000
</TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10494 jiffies! g139089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=81926
rcu: rcu_preempt kthread starved for 10495 jiffies! g139089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:28392 pid:15 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1660
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1859
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 23132 Comm: kworker/u4:54 Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_many_cond+0x43f/0x10a0 kernel/smp.c:987
Code: e6 e8 95 f7 0a 00 45 85 e4 74 48 48 8b 04 24 49 89 c5 83 e0 07 49 c1 ed 03 49 89 c4 4d 01 fd 41 83 c4 03 e8 c3 fa 0a 00 f3 90 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 4e 0a 00 00 8b 43 08 31
RSP: 0018:ffffc9000512f970 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9a45f80 RCX: 0000000000000000
RDX: ffff888030c8c1c0 RSI: ffffffff817440fd RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
R13: ffffed1017348bf1 R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7d24d56be CR3: 000000000c28e000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
on_each_cpu_cond_mask+0x5a/0xa0 kernel/smp.c:1155
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1311 [inline]
text_poke_bp_batch+0x22e/0x6b0 arch/x86/kernel/alternative.c:1502
text_poke_flush arch/x86/kernel/alternative.c:1670 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1667 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1677
arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x32f/0x410 kernel/jump_label.c:801
static_key_enable_cpuslocked+0x1b5/0x270 kernel/jump_label.c:177
static_key_enable+0x1a/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:800 [inline]
toggle_allocation_gate+0x104/0x390 mm/kfence/core.c:792
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>


---
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syzbot

unread,
Dec 25, 2022, 8:42:39 PM12/25/22
to gre...@linuxfoundation.org, linux-...@vger.kernel.org, raf...@kernel.org, syzkall...@googlegroups.com, tg...@linutronix.de
syzbot has found a reproducer for the following issue on:

HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16e15ea8480000
kernel config: https://syzkaller.appspot.com/x/.config?x=b0e81c4eb13a67cd
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12fb4118480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12569d7f880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bf5b7ea54f05/disk-72a85e2b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cd3c30b473ee/vmlinux-72a85e2b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/df9aad922f68/bzImage-72a85e2b.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a68ef3...@syzkaller.appspotmail.com

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-....
} 2666 jiffies s: 2457 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 0 to CPUs 1:
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
NMI backtrace for cpu 1
CPU: 1 PID: 5245 Comm: syz-executor237 Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: c6 0f 8a 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 ad 38 83 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc900003e8078 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 000000000000006c RCX: 0000000000000100
RDX: ffff88807ad54200 RSI: ffffffff89ba2a6c RDI: 0000000000000001
RBP: ffffc900003e8198 R08: 0000000000000001 R09: 000000000000006c
R10: 000000000000006c R11: 0000000000000001 R12: 0000000000000004
R13: ffffffff8a4d0a41 R14: 1ffff9200007d013 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdcca9188 CR3: 0000000027b71000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
format_decode+0x26c/0xb50 lib/vsprintf.c:2537
vsnprintf+0x15d/0x16b0 lib/vsprintf.c:2748
sprintf+0xc4/0x100 lib/vsprintf.c:3000
print_time kernel/printk/printk.c:1357 [inline]
info_print_prefix+0x248/0x340 kernel/printk/printk.c:1383
record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1432
console_emit_next_record.constprop.0+0x714/0x890 kernel/printk/printk.c:2806
console_flush_all+0x547/0x6e0 kernel/printk/printk.c:2887
console_unlock+0xb8/0x1f0 kernel/printk/printk.c:2964
vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2357
dev_vprintk_emit+0x372/0x3b6 drivers/base/core.c:4698
dev_printk_emit+0xbe/0xf5 drivers/base/core.c:4709
__dev_printk+0xcf/0xf5 drivers/base/core.c:4721
_dev_warn+0xdb/0x10d drivers/base/core.c:4765
usb_rx_callback_intf0.cold+0x34/0x43 drivers/media/rc/imon.c:1771
__usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1700
expire_timers+0x2c6/0x5c0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1fb/0xadc kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:72 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:folio_memcg_lock+0x189/0x630 mm/memcontrol.c:2118
Code: 28 d5 81 58 e8 78 e6 8d ff 4d 85 f6 0f 85 9e 02 00 00 9c 58 f6 c4 02 0f 85 53 03 00 00 4d 85 f6 74 01 fb 4c 8d b3 40 09 00 00 <be> 04 00 00 00 4c 89 f7 e8 fa 85 f8 ff 4c 89 f0 48 c1 e8 03 42 0f
RSP: 0018:ffffc900037ff658 EFLAGS: 00000206
RAX: 0000000000000002 RBX: ffff888012ca6000 RCX: 1ffffffff2265eae
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900037ff6a8 R08: 0000000000000001 R09: ffffffff9132cac7
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffea0001ffc2b8 R14: ffff888012ca6940 R15: ffffea0001ffc288
page_remove_rmap+0x5f/0x1210 mm/rmap.c:1397
zap_pte_range mm/memory.c:1405 [inline]
zap_pmd_range mm/memory.c:1529 [inline]
zap_pud_range mm/memory.c:1558 [inline]
zap_p4d_range mm/memory.c:1579 [inline]
unmap_page_range+0x234d/0x3c30 mm/memory.c:1600
unmap_single_vma+0x190/0x2a0 mm/memory.c:1646
unmap_vmas+0x226/0x370 mm/memory.c:1685
exit_mmap+0x18d/0x7b0 mm/mmap.c:3085
__mmput+0x128/0x4c0 kernel/fork.c:1207
mmput+0x60/0x70 kernel/fork.c:1229
exit_mm kernel/exit.c:563 [inline]
do_exit+0x9ac/0x2950 kernel/exit.c:854
do_group_exit+0xd4/0x2a0 kernel/exit.c:1012
get_signal+0x21c3/0x2450 kernel/signal.c:2859
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe2b8beb037
Code: Unable to access opcode bytes at 0x7fe2b8beb00d.
RSP: 002b:00007ffcdcca90a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: fffffffffffffff0 RBX: 00000000000f4240 RCX: 00007fe2b8beb037
RDX: 0000000000000002 RSI: 00007ffcdcca9120 RDI: 00000000ffffff9c
RBP: 00007ffcdcca9120 R08: 0000000000000000 R09: 000000000000000f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffcdcca91bc R14: 00007ffcdcca91d0 R15: 00007ffcdcca91c0
</TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.256 msecs
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
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imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callbac

Hillf Danton

unread,
Dec 25, 2022, 10:34:44 PM12/25/22
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On 25 Dec 2022 17:42:37 -0800
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12569d7f880000

Submitting no more urb in case of error ignored.

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

--- x/drivers/media/rc/imon.c
+++ y/drivers/media/rc/imon.c
@@ -1770,7 +1770,7 @@ static void usb_rx_callback_intf0(struct
default:
dev_warn(ictx->dev, "imon %s: status(%d): ignored\n",
__func__, urb->status);
- break;
+ return;
}

out:
--

syzbot

unread,
Dec 26, 2022, 3:28:26 AM12/26/22
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,

syzbot tried to test the proposed patch but the build/boot failed:

/hid-sensor-temperature.o
CC drivers/net/usb/cdc_subset.o
CC drivers/gpu/drm/i915/gt/intel_gsc.o
AR drivers/media/usb/go7007/built-in.a
CC drivers/media/usb/gspca/spca561.o
CC drivers/media/usb/em28xx/em28xx-vbi.o
CC drivers/net/ethernet/mellanox/mlx4/crdump.o
CC drivers/net/usb/zaurus.o
CC drivers/net/usb/mcs7830.o
CC fs/mpage.o
CC drivers/infiniband/core/uverbs_std_types_srq.o
CC drivers/net/vrf.o
CC drivers/thunderbolt/ctl.o
CC drivers/net/vsockmon.o
CC drivers/net/thunderbolt.o
CC fs/proc_namespace.o
CC drivers/infiniband/core/uverbs_std_types_wq.o
CC drivers/gpu/drm/drm_flip_work.o
CC drivers/hid/hid-mf.o
CC drivers/gpu/drm/drm_format_helper.o
AR drivers/media/usb/cx231xx/built-in.a
CC drivers/media/usb/em28xx/em28xx-audio.o
CC drivers/media/usb/pvrusb2/pvrusb2-sysfs.o
CC drivers/staging/rtl8712/xmit_linux.o
CC drivers/net/wireless/ath/ath9k/ani.o
CC drivers/staging/rtl8712/usb_intf.o
CC drivers/android/binderfs.o
CC drivers/nvmem/core.o
CC drivers/net/usb/usbnet.o
CC drivers/net/usb/int51x1.o
CC drivers/gpu/drm/i915/i915_hwmon.o
CC drivers/thunderbolt/tb.o
CC drivers/net/usb/cdc-phonet.o
CC drivers/hid/hid-microsoft.o
CC drivers/net/wireless/ath/ath10k/ce.o
CC fs/eventpoll.o
CC drivers/media/usb/em28xx/em28xx-dvb.o
CC drivers/gpu/drm/drm_gem_atomic_helper.o
CC drivers/media/usb/gspca/spca1528.o
CC drivers/net/wireless/ath/ath9k/mac.o
AR drivers/iio/temperature/built-in.a
CC drivers/gpu/drm/drm_gem_framebuffer_helper.o
AR drivers/iio/test/built-in.a
CC drivers/media/usb/em28xx/em28xx-input.o
CC drivers/media/usb/gspca/sq905.o
AR drivers/iio/trigger/built-in.a
CC drivers/iio/industrialio-core.o
CC drivers/net/net_failover.o
CC net/mptcp/sockopt.o
CC drivers/net/wireless/ath/ath10k/pci.o
CC drivers/counter/counter-core.o
CC drivers/infiniband/core/uverbs_std_types_qp.o
CC drivers/hid/hid-monterey.o
CC drivers/infiniband/core/umem.o
CC drivers/infiniband/core/umem_dmabuf.o
CC drivers/net/wireless/ath/ath10k/usb.o
CC drivers/infiniband/core/umem_odp.o
CC drivers/staging/rtl8712/os_intfs.o
CC drivers/thunderbolt/switch.o
CC drivers/infiniband/core/ucma.o
CC drivers/net/wireless/ath/ath9k/ar9002_mac.o
CC drivers/net/wireless/ath/ath9k/ar9003_mac.o
CC drivers/net/usb/kalmia.o
CC drivers/media/usb/gspca/sq905c.o
CC fs/anon_inodes.o
CC fs/signalfd.o
CC drivers/thunderbolt/cap.o
CC fs/timerfd.o
CC drivers/gpu/drm/drm_kms_helper_common.o
CC drivers/staging/rtl8712/rtl871x_pwrctrl.o
AR drivers/net/wireless/ath/ath11k/built-in.a
CC drivers/net/usb/ipheth.o
CC net/mptcp/pm_userspace.o
CC fs/eventfd.o
CC net/mptcp/fastopen.o
CC net/mptcp/syncookies.o
CC drivers/most/core.o
CC drivers/net/usb/sierra_net.o
CC fs/userfaultfd.o
CC drivers/android/binder.o
CC net/mptcp/mptcp_diag.o
CC net/mptcp/bpf.o
CC drivers/net/wireless/ath/ath9k/ar9003_eeprom.o
CC drivers/media/usb/gspca/sq930x.o
CC drivers/gpu/drm/drm_modeset_helper.o
CC drivers/most/configfs.o
CC drivers/staging/rtl8712/rtl8712_recv.o
CC drivers/counter/counter-sysfs.o
CC drivers/gpu/drm/drm_plane_helper.o
CC drivers/counter/counter-chrdev.o
CC fs/aio.o
CC drivers/thunderbolt/path.o
CC drivers/iio/industrialio-event.o
CC drivers/net/wireless/ath/ath9k/ar9003_paprd.o
CC drivers/media/usb/gspca/sunplus.o
CC drivers/iio/inkern.o
CC drivers/net/usb/cx82310_eth.o
CC fs/dax.o
CC drivers/gpu/drm/drm_probe_helper.o
CC drivers/gpu/drm/drm_rect.o
CC drivers/thunderbolt/tunnel.o
CC drivers/staging/rtl8712/rtl871x_recv.o
CC drivers/staging/rtl8712/rtl871x_sta_mgt.o
CC drivers/net/wireless/ath/ath9k/btcoex.o
CC drivers/net/wireless/ath/ath9k/ar9003_mci.o
CC drivers/net/wireless/ath/ath9k/ar9003_aic.o
CC drivers/hid/hid-multitouch.o
CC drivers/net/usb/cdc_ncm.o
CC drivers/net/usb/huawei_cdc_ncm.o
CC drivers/hid/hid-nti.o
CC drivers/hid/hid-ntrig.o
AR drivers/nvmem/built-in.a
CC drivers/hid/hid-ortek.o
CC drivers/android/binder_alloc.o
CC drivers/net/wireless/ath/ath9k/ar9003_rtt.o
CC fs/locks.o
CC drivers/hid/hid-prodikeys.o
CC drivers/thunderbolt/eeprom.o
CC drivers/gpu/drm/drm_self_refresh_helper.o
CC drivers/gpu/drm/drm_simple_kms_helper.o
CC fs/binfmt_misc.o
CC drivers/net/wireless/ath/ath9k/dynack.o
CC drivers/net/usb/lg-vl600.o
CC drivers/staging/rtl8712/rtl871x_xmit.o
CC drivers/net/wireless/ath/ath9k/common.o
CC drivers/iio/industrialio-buffer.o
CC drivers/net/wireless/ath/ath9k/common-init.o
CC drivers/net/usb/qmi_wwan.o
CC drivers/net/usb/cdc_mbim.o
CC drivers/net/wireless/ath/ath9k/common-beacon.o
CC drivers/media/usb/gspca/stk014.o
CC drivers/gpu/drm/i915/display/hsw_ips.o
CC drivers/gpu/drm/i915/display/intel_atomic.o
CC drivers/gpu/drm/i915/display/intel_atomic_plane.o
CC drivers/gpu/drm/bridge/panel.o
CC drivers/net/wireless/ath/ath9k/common-debug.o
CC drivers/net/usb/ch9200.o
CC drivers/staging/rtl8712/rtl8712_xmit.o
CC drivers/net/wireless/ath/ath9k/htc_hst.o
AR drivers/media/usb/pvrusb2/built-in.a
CC drivers/net/usb/r8153_ecm.o
CC drivers/thunderbolt/domain.o
CC drivers/hid/hid-pl.o
CC fs/binfmt_script.o
CC fs/binfmt_elf.o
CC drivers/gpu/drm/drm_fbdev_generic.o
AR drivers/counter/built-in.a
CC drivers/net/wireless/ath/ath9k/hif_usb.o
CC fs/compat_binfmt_elf.o
CC drivers/thunderbolt/dma_port.o
CC drivers/net/wireless/ath/ath9k/wmi.o
CC drivers/iio/industrialio-trigger.o
CC drivers/thunderbolt/icm.o
CC fs/mbcache.o
AR drivers/most/built-in.a
CC drivers/thunderbolt/property.o
AR drivers/infiniband/core/built-in.a
AR drivers/infiniband/built-in.a
CC drivers/net/wireless/ath/ath9k/htc_drv_txrx.o
CC drivers/net/wireless/ath/ath9k/htc_drv_main.o
CC fs/posix_acl.o
CC drivers/hid/hid-penmount.o
AR net/mptcp/built-in.a
AR drivers/media/usb/em28xx/built-in.a
CC drivers/media/usb/gspca/stk1135.o
AR net/built-in.a
CC fs/coredump.o
CC drivers/hid/hid-petalynx.o
CC fs/drop_caches.o
CC fs/fhandle.o
CC drivers/hid/hid-picolcd_core.o
CC drivers/thunderbolt/xdomain.o
CC drivers/hid/hid-picolcd_fb.o
CC drivers/gpu/drm/drm_fb_helper.o
CC drivers/media/usb/gspca/stv0680.o
CC drivers/gpu/drm/drm_mipi_dsi.o
CC drivers/gpu/drm/i915/display/intel_audio.o
CC drivers/gpu/drm/i915/display/intel_bios.o
CC drivers/thunderbolt/lc.o
AR drivers/net/wireless/ath/ath10k/built-in.a
CC drivers/thunderbolt/tmu.o
CC drivers/thunderbolt/usb4.o
CC drivers/thunderbolt/usb4_port.o
CC drivers/thunderbolt/nvm.o
CC drivers/thunderbolt/retimer.o
CC drivers/thunderbolt/quirks.o
CC drivers/hid/hid-picolcd_backlight.o
CC drivers/gpu/drm/i915/display/intel_bw.o
CC drivers/hid/hid-picolcd_lcd.o
CC drivers/net/wireless/ath/ath9k/htc_drv_beacon.o
CC drivers/gpu/drm/i915/display/intel_cdclk.o
CC drivers/hid/hid-picolcd_leds.o
CC drivers/net/wireless/ath/ath9k/htc_drv_init.o
CC drivers/net/wireless/ath/ath9k/htc_drv_gpio.o
CC drivers/net/wireless/ath/ath9k/htc_drv_debug.o
CC drivers/gpu/drm/i915/display/intel_color.o
CC drivers/gpu/drm/i915/display/intel_combo_phy.o
CC drivers/hid/hid-picolcd_cir.o
CC drivers/hid/hid-picolcd_debugfs.o
CC drivers/hid/hid-plantronics.o
CC drivers/thunderbolt/acpi.o
CC drivers/gpu/drm/i915/display/intel_connector.o
CC drivers/hid/hid-primax.o
CC drivers/gpu/drm/i915/display/intel_crtc.o
CC drivers/gpu/drm/i915/display/intel_crtc_state_dump.o
CC drivers/hid/hid-redragon.o
CC drivers/media/usb/gspca/t613.o
CC drivers/gpu/drm/i915/display/intel_cursor.o
CC drivers/thunderbolt/debugfs.o
CC drivers/gpu/drm/i915/display/intel_display.o
CC drivers/gpu/drm/i915/display/intel_display_power.o
CC drivers/gpu/drm/i915/display/intel_display_power_map.o
CC drivers/hid/hid-retrode.o
CC drivers/hid/hid-roccat.o
CC drivers/hid/hid-roccat-common.o
CC drivers/hid/hid-roccat-arvo.o
CC drivers/hid/hid-roccat-isku.o
CC drivers/media/usb/gspca/topro.o
AR drivers/staging/rtl8712/built-in.a
AR drivers/staging/built-in.a
CC drivers/hid/hid-roccat-kone.o
CC drivers/gpu/drm/i915/display/intel_display_power_well.o
CC drivers/media/usb/gspca/touptek.o
CC drivers/gpu/drm/i915/display/intel_dmc.o
CC drivers/gpu/drm/i915/display/intel_dpio_phy.o
CC drivers/gpu/drm/i915/display/intel_dpll.o
CC drivers/hid/hid-roccat-koneplus.o
CC drivers/gpu/drm/i915/display/intel_dpll_mgr.o
AR drivers/iio/built-in.a
CC drivers/gpu/drm/i915/display/intel_dpt.o
CC drivers/hid/hid-roccat-konepure.o
CC drivers/gpu/drm/i915/display/intel_drrs.o
CC drivers/hid/hid-roccat-kovaplus.o
CC drivers/media/usb/gspca/tv8532.o
CC drivers/gpu/drm/i915/display/intel_dsb.o
CC drivers/hid/hid-roccat-lua.o
CC drivers/media/usb/gspca/vc032x.o
CC drivers/gpu/drm/i915/display/intel_fb.o
CC drivers/gpu/drm/i915/display/intel_fb_pin.o
CC drivers/hid/hid-roccat-pyra.o
CC drivers/hid/hid-roccat-ryos.o
CC drivers/hid/hid-roccat-savu.o
CC drivers/hid/hid-rmi.o
CC drivers/gpu/drm/i915/display/intel_fbc.o
CC drivers/hid/hid-saitek.o
CC drivers/gpu/drm/i915/display/intel_fdi.o
CC drivers/hid/hid-samsung.o
CC drivers/media/usb/gspca/vicam.o
CC drivers/media/usb/gspca/xirlink_cit.o
CC drivers/media/usb/gspca/zc3xx.o
CC drivers/gpu/drm/i915/display/intel_fifo_underrun.o
CC drivers/hid/hid-sjoy.o
CC drivers/hid/hid-sony.o
CC drivers/gpu/drm/i915/display/intel_frontbuffer.o
AR drivers/net/usb/built-in.a
CC drivers/gpu/drm/i915/display/intel_global_state.o
CC drivers/hid/hid-speedlink.o
CC drivers/hid/hid-steelseries.o
CC drivers/gpu/drm/i915/display/intel_hdcp.o
CC drivers/gpu/drm/i915/display/intel_hotplug.o
CC drivers/hid/hid-sunplus.o
CC drivers/hid/hid-gaff.o
CC drivers/hid/hid-tmff.o
CC drivers/hid/hid-thrustmaster.o
AR drivers/net/wireless/ath/ath9k/built-in.a
AR drivers/net/wireless/ath/built-in.a
CC drivers/hid/hid-tivo.o
CC drivers/gpu/drm/i915/display/intel_hti.o
CC drivers/gpu/drm/i915/display/intel_lpe_audio.o
AR drivers/net/wireless/built-in.a
CC drivers/gpu/drm/i915/display/intel_modeset_verify.o
CC drivers/gpu/drm/i915/display/intel_modeset_setup.o
CC drivers/hid/hid-topseed.o
CC drivers/hid/hid-twinhan.o
CC drivers/gpu/drm/i915/display/intel_overlay.o
CC drivers/hid/hid-uclogic-core.o
CC drivers/gpu/drm/i915/display/intel_pch_display.o
CC drivers/gpu/drm/i915/display/intel_pch_refclk.o
CC drivers/gpu/drm/i915/display/intel_plane_initial.o
CC drivers/hid/hid-uclogic-rdesc.o
CC drivers/hid/hid-uclogic-params.o
CC drivers/hid/hid-udraw-ps3.o
CC drivers/gpu/drm/i915/display/intel_psr.o
CC drivers/gpu/drm/i915/display/intel_quirks.o
CC drivers/hid/hid-led.o
CC drivers/hid/hid-xinmo.o
CC drivers/hid/hid-zpff.o
CC drivers/hid/hid-zydacron.o
CC drivers/hid/wacom_wac.o
CC drivers/gpu/drm/i915/display/intel_sprite.o
CC drivers/hid/wacom_sys.o
CC drivers/gpu/drm/i915/display/intel_tc.o
CC drivers/gpu/drm/i915/display/intel_vga.o
CC drivers/hid/hid-waltop.o
CC drivers/hid/hid-wiimote-core.o
CC drivers/gpu/drm/i915/display/i9xx_plane.o
CC drivers/hid/hid-wiimote-modules.o
AR fs/built-in.a
CC drivers/hid/hid-wiimote-debug.o
CC drivers/gpu/drm/i915/display/skl_scaler.o
CC drivers/gpu/drm/i915/display/skl_universal_plane.o
CC drivers/hid/hid-sensor-hub.o
CC drivers/hid/hid-sensor-custom.o
AR drivers/net/ethernet/mellanox/mlx4/built-in.a
AR drivers/net/ethernet/mellanox/built-in.a
CC drivers/gpu/drm/i915/display/intel_acpi.o
CC drivers/gpu/drm/i915/display/skl_watermark.o
CC drivers/gpu/drm/i915/display/intel_opregion.o
AR drivers/net/ethernet/built-in.a
AR drivers/net/built-in.a
CC drivers/gpu/drm/i915/display/intel_fbdev.o
CC drivers/gpu/drm/i915/display/dvo_ch7017.o
AR drivers/thunderbolt/built-in.a
CC drivers/gpu/drm/i915/display/dvo_ch7xxx.o
CC drivers/gpu/drm/i915/display/dvo_ivch.o
CC drivers/gpu/drm/i915/display/dvo_ns2501.o
CC drivers/gpu/drm/i915/display/dvo_sil164.o
CC drivers/gpu/drm/i915/display/dvo_tfp410.o
CC drivers/gpu/drm/i915/display/g4x_dp.o
CC drivers/gpu/drm/i915/display/g4x_hdmi.o
CC drivers/gpu/drm/i915/display/icl_dsi.o
CC drivers/gpu/drm/i915/display/intel_backlight.o
CC drivers/gpu/drm/i915/display/intel_crt.o
CC drivers/gpu/drm/i915/display/intel_ddi.o
CC drivers/gpu/drm/i915/display/intel_ddi_buf_trans.o
CC drivers/gpu/drm/i915/display/intel_dkl_phy.o
CC drivers/gpu/drm/i915/display/intel_display_trace.o
CC drivers/gpu/drm/i915/display/intel_dp.o
CC drivers/gpu/drm/i915/display/intel_dp_aux.o
CC drivers/gpu/drm/i915/display/intel_dp_aux_backlight.o
CC drivers/gpu/drm/i915/display/intel_dp_hdcp.o
CC drivers/gpu/drm/i915/display/intel_dp_link_training.o
CC drivers/gpu/drm/i915/display/intel_dp_mst.o
CC drivers/gpu/drm/i915/display/intel_dsi.o
CC drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.o
CC drivers/gpu/drm/i915/display/intel_dsi_vbt.o
CC drivers/gpu/drm/i915/display/intel_dvo.o
CC drivers/gpu/drm/i915/display/intel_gmbus.o
CC drivers/gpu/drm/i915/display/intel_hdmi.o
CC drivers/gpu/drm/i915/display/intel_lspcon.o
CC drivers/gpu/drm/i915/display/intel_lvds.o
CC drivers/gpu/drm/i915/display/intel_panel.o
CC drivers/gpu/drm/i915/display/intel_pps.o
CC drivers/gpu/drm/i915/display/intel_qp_tables.o
CC drivers/gpu/drm/i915/display/intel_sdvo.o
CC drivers/gpu/drm/i915/display/intel_snps_phy.o
CC drivers/gpu/drm/i915/display/intel_tv.o
AR drivers/media/usb/gspca/built-in.a
AR drivers/media/usb/built-in.a
CC drivers/gpu/drm/i915/display/intel_vdsc.o
CC drivers/gpu/drm/i915/display/intel_vrr.o
AR drivers/media/built-in.a
CC drivers/gpu/drm/i915/display/vlv_dsi.o
CC drivers/gpu/drm/i915/display/vlv_dsi_pll.o
CC drivers/gpu/drm/i915/i915_perf.o
CC drivers/gpu/drm/i915/pxp/intel_pxp.o
CC drivers/gpu/drm/i915/pxp/intel_pxp_tee.o
CC drivers/gpu/drm/i915/pxp/intel_pxp_huc.o
CC drivers/gpu/drm/i915/i915_gpu_error.o
CC drivers/gpu/drm/i915/i915_vgpu.o
AR drivers/android/built-in.a
AR drivers/hid/built-in.a
AR drivers/gpu/drm/i915/built-in.a
AR drivers/gpu/drm/built-in.a
AR drivers/gpu/built-in.a
AR drivers/built-in.a
AR built-in.a
AR vmlinux.a
LD vmlinux.o
vmlinux.o: warning: objtool: select_reloc_root+0x455: unreachable instruction
Killed
make[1]: *** [scripts/Makefile.vmlinux_o:61: vmlinux.o] Error 137
make[1]: *** Deleting file 'vmlinux.o'
make: *** [Makefile:1245: vmlinux_o] Error 2


Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=14f5ae54480000


Tested on:

commit: 1b929c02 Linux 6.2-rc1
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=11a0a960480000

Hillf Danton

unread,
Dec 26, 2022, 3:56:58 AM12/26/22
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On 25 Dec 2022 17:42:37 -0800
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12569d7f880000

Submitting no more urb in case of error ignored.

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 72a85e2b0a1e

syzbot

unread,
Dec 26, 2022, 4:06:24 AM12/26/22
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,

syzbot tried to test the proposed patch but the build/boot failed:

types_device.o
CC drivers/gpu/drm/i915/display/intel_dpio_phy.o
CC drivers/infiniband/core/uverbs_std_types_async_fd.o
CC drivers/media/usb/gspca/vc032x.o
CC drivers/infiniband/core/uverbs_std_types_srq.o
CC drivers/platform/x86/asus-wmi.o
CC drivers/platform/x86/eeepc-laptop.o
CC drivers/platform/x86/p2sb.o
CC drivers/comedi/proc.o
AR drivers/perf/built-in.a
CC drivers/extcon/extcon-intel-cht-wc.o
CC drivers/greybus/connection.o
CC drivers/ras/ras.o
CC drivers/ras/debugfs.o
CC drivers/staging/greybus/gbphy.o
CC drivers/infiniband/core/uverbs_std_types_wq.o
CC drivers/gpu/drm/i915/display/intel_dpll.o
CC drivers/bcma/driver_chipcommon_b.o
CC drivers/hid/hid-corsair.o
AR drivers/platform/surface/built-in.a
CC drivers/greybus/control.o
CC drivers/crypto/qat/qat_common/adf_pfvf_utils.o
CC drivers/crypto/qat/qat_common/adf_pfvf_pf_msg.o
AR drivers/iio/accel/built-in.a
CC drivers/gpu/drm/i915/display/intel_dpll_mgr.o
CC fs/xfs/xfs_pnfs.o
AR drivers/iio/afe/built-in.a
CC drivers/hid/hid-cp2112.o
CC drivers/staging/greybus/usb.o
CC drivers/gpu/drm/i915/display/intel_dpt.o
CC drivers/hid/hid-cypress.o
CC drivers/hid/hid-dr.o
CC drivers/hid/hid-emsff.o
CC drivers/greybus/svc.o
CC drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.o
CC drivers/greybus/svc_watchdog.o
AR drivers/iio/adc/built-in.a
AR drivers/iio/amplifiers/built-in.a
CC drivers/greybus/operation.o
CC drivers/iio/buffer/industrialio-triggered-buffer.o
CC drivers/staging/rtl8712/rtl871x_security.o
CC drivers/iio/buffer/kfifo_buf.o
CC drivers/hid/hid-elecom.o
CC drivers/media/usb/gspca/vicam.o
CC drivers/media/usb/gspca/xirlink_cit.o
CC drivers/hid/hid-elo.o
CC drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.o
AR drivers/comedi/drivers/built-in.a
CC drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.o
CC drivers/infiniband/core/uverbs_std_types_qp.o
CC drivers/infiniband/core/umem.o
CC drivers/infiniband/core/umem_dmabuf.o
CC drivers/thunderbolt/nhi.o
AR drivers/extcon/built-in.a
CC drivers/greybus/es2.o
CC drivers/crypto/qat/qat_common/adf_gen2_pfvf.o
CC drivers/crypto/qat/qat_common/adf_gen4_pfvf.o
AR drivers/iio/cdc/built-in.a
AR drivers/iio/chemical/built-in.a
CC drivers/infiniband/core/umem_odp.o
CC drivers/hid/hid-ezkey.o
CC drivers/hid/hid-gembird.o
AR drivers/iio/common/cros_ec_sensors/built-in.a
AR drivers/hwtracing/intel_th/built-in.a
CC drivers/staging/rtl8712/rtl871x_eeprom.o
CC drivers/android/binderfs.o
AR drivers/iio/dac/built-in.a
CC drivers/iio/common/hid-sensors/hid-sensor-attributes.o
CC drivers/android/binder.o
CC drivers/android/binder_alloc.o
AR drivers/comedi/built-in.a
CC drivers/gpu/drm/i915/display/intel_drrs.o
CC drivers/staging/rtl8712/rtl8712_efuse.o
CC drivers/thunderbolt/nhi_ops.o
AR drivers/iio/common/ms_sensors/built-in.a
CC drivers/thunderbolt/ctl.o
CC drivers/thunderbolt/tb.o
CC drivers/thunderbolt/switch.o
CC drivers/infiniband/core/ucma.o
CC drivers/thunderbolt/cap.o
CC drivers/hid/hid-gfrm.o
CC drivers/gpu/drm/i915/display/intel_dsb.o
AR drivers/staging/greybus/built-in.a
CC drivers/gpu/drm/i915/display/intel_fb.o
AR drivers/bcma/built-in.a
CC drivers/hid/hid-gt683r.o
CC drivers/thunderbolt/path.o
CC drivers/counter/counter-core.o
CC drivers/nvmem/core.o
CC drivers/gpu/drm/i915/display/intel_fb_pin.o
CC drivers/thunderbolt/tunnel.o
CC drivers/media/usb/gspca/zc3xx.o
CC drivers/thunderbolt/eeprom.o
CC drivers/thunderbolt/domain.o
CC drivers/thunderbolt/dma_port.o
CC drivers/iio/common/hid-sensors/hid-sensor-trigger.o
CC drivers/most/core.o
AR drivers/iio/buffer/built-in.a
CC drivers/hid/hid-gyration.o
CC drivers/most/configfs.o
CC drivers/hid/hid-holtek-kbd.o
CC drivers/thunderbolt/icm.o
AR drivers/iio/dummy/built-in.a
CC drivers/counter/counter-sysfs.o
CC drivers/thunderbolt/property.o
CC drivers/gpu/drm/i915/display/intel_fbc.o
CC drivers/hid/hid-holtek-mouse.o
CC drivers/iio/gyro/hid-sensor-gyro-3d.o
CC drivers/thunderbolt/xdomain.o
CC drivers/staging/rtl8712/hal_init.o
CC drivers/staging/rtl8712/usb_halinit.o
AR drivers/ras/built-in.a
CC drivers/hid/hid-holtekff.o
CC drivers/gpu/drm/i915/display/intel_fdi.o
AR drivers/iio/common/scmi_sensors/built-in.a
CC drivers/gpu/drm/i915/display/intel_fifo_underrun.o
CC drivers/staging/rtl8712/usb_ops.o
AR drivers/iio/common/ssp_sensors/built-in.a
CC drivers/gpu/drm/i915/display/intel_frontbuffer.o
CC drivers/gpu/drm/i915/display/intel_global_state.o
AR drivers/iio/common/st_sensors/built-in.a
CC drivers/gpu/drm/i915/display/intel_hdcp.o
AR drivers/crypto/qat/qat_common/built-in.a
CC drivers/gpu/drm/i915/display/intel_hotplug.o
CC drivers/gpu/drm/i915/display/intel_hti.o
AR drivers/crypto/qat/built-in.a
AR drivers/crypto/built-in.a
AR drivers/iio/frequency/built-in.a
AR drivers/iio/filter/built-in.a
CC drivers/counter/counter-chrdev.o
CC drivers/thunderbolt/lc.o
CC drivers/hid/hid-icade.o
AR drivers/iio/health/built-in.a
CC drivers/thunderbolt/tmu.o
CC drivers/iio/humidity/hid-sensor-humidity.o
AR drivers/greybus/built-in.a
CC drivers/staging/rtl8712/usb_ops_linux.o
CC drivers/gpu/drm/i915/display/intel_lpe_audio.o
CC drivers/staging/rtl8712/rtl871x_io.o
AR fs/xfs/built-in.a
CC drivers/hid/hid-ite.o
CC drivers/staging/rtl8712/rtl8712_io.o
AR fs/built-in.a
CC drivers/hid/hid-kensington.o
CC drivers/hid/hid-keytouch.o
CC drivers/gpu/drm/i915/display/intel_modeset_verify.o
CC drivers/thunderbolt/usb4.o
CC drivers/staging/rtl8712/rtl871x_ioctl_linux.o
CC drivers/thunderbolt/usb4_port.o
CC drivers/gpu/drm/i915/display/intel_modeset_setup.o
CC drivers/hid/hid-kye.o
CC drivers/gpu/drm/i915/display/intel_overlay.o
CC drivers/thunderbolt/nvm.o
AR drivers/iio/gyro/built-in.a
CC drivers/thunderbolt/retimer.o
CC drivers/gpu/drm/i915/display/intel_pch_display.o
AR drivers/iio/common/hid-sensors/built-in.a
AR drivers/iio/common/built-in.a
CC drivers/staging/rtl8712/rtl871x_ioctl_rtl.o
CC drivers/iio/light/hid-sensor-als.o
AR drivers/iio/imu/bmi160/built-in.a
AR drivers/iio/imu/bno055/built-in.a
AR drivers/iio/imu/inv_icm42600/built-in.a
AR drivers/iio/imu/inv_mpu6050/built-in.a
AR drivers/vhost/built-in.a
AR drivers/iio/imu/st_lsm6dsx/built-in.a
CC drivers/iio/light/hid-sensor-prox.o
CC drivers/thunderbolt/quirks.o
AR drivers/iio/multiplexer/built-in.a
CC drivers/iio/magnetometer/hid-sensor-magn-3d.o
CC drivers/staging/rtl8712/rtl871x_ioctl_set.o
AR drivers/iio/imu/st_lsm9ds0/built-in.a
CC drivers/thunderbolt/acpi.o
AR drivers/iio/imu/built-in.a
CC drivers/thunderbolt/debugfs.o
AR drivers/iio/humidity/built-in.a
CC drivers/staging/rtl8712/rtl8712_led.o
CC drivers/gpu/drm/i915/display/intel_pch_refclk.o
CC drivers/staging/rtl8712/rtl871x_mlme.o
CC drivers/gpu/drm/i915/display/intel_plane_initial.o
CC drivers/iio/orientation/hid-sensor-incl-3d.o
CC drivers/hid/hid-lcpower.o
CC drivers/gpu/drm/i915/display/intel_psr.o
CC drivers/iio/orientation/hid-sensor-rotation.o
CC drivers/hid/hid-lenovo.o
CC drivers/staging/rtl8712/ieee80211.o
CC drivers/hid/hid-lg.o
CC drivers/gpu/drm/i915/display/intel_quirks.o
CC drivers/hid/hid-lgff.o
CC drivers/staging/rtl8712/rtl871x_mp_ioctl.o
CC drivers/staging/rtl8712/rtl871x_mp.o
CC drivers/gpu/drm/i915/display/intel_sprite.o
CC drivers/staging/rtl8712/mlme_linux.o
AR drivers/nvmem/built-in.a
CC drivers/staging/rtl8712/recv_linux.o
AR drivers/media/usb/gspca/built-in.a
AR drivers/media/usb/built-in.a
CC drivers/staging/rtl8712/xmit_linux.o
CC drivers/staging/rtl8712/usb_intf.o
AR drivers/media/built-in.a
CC drivers/hid/hid-lg2ff.o
CC drivers/hid/hid-lg3ff.o
CC drivers/hid/hid-lg4ff.o
CC drivers/gpu/drm/i915/display/intel_tc.o
CC drivers/staging/rtl8712/os_intfs.o
CC drivers/staging/rtl8712/rtl871x_pwrctrl.o
AR drivers/platform/x86/built-in.a
CC drivers/gpu/drm/i915/display/intel_vga.o
AR drivers/platform/built-in.a
CC drivers/staging/rtl8712/rtl8712_recv.o
AR drivers/iio/light/built-in.a
CC drivers/hid/hid-lg-g15.o
CC drivers/gpu/drm/i915/display/i9xx_plane.o
CC drivers/gpu/drm/i915/display/skl_scaler.o
CC drivers/staging/rtl8712/rtl871x_recv.o
AR drivers/iio/position/built-in.a
AR drivers/most/built-in.a
CC drivers/staging/rtl8712/rtl871x_sta_mgt.o
AR drivers/iio/potentiometer/built-in.a
CC drivers/gpu/drm/i915/display/skl_universal_plane.o
AR drivers/iio/potentiostat/built-in.a
CC drivers/gpu/drm/i915/display/skl_watermark.o
CC drivers/hid/hid-logitech-dj.o
AR drivers/counter/built-in.a
CC drivers/hid/hid-logitech-hidpp.o
AR drivers/iio/orientation/built-in.a
CC drivers/staging/rtl8712/rtl871x_xmit.o
AR drivers/staging/wlan-ng/built-in.a
CC drivers/gpu/drm/i915/display/intel_acpi.o
CC drivers/iio/pressure/hid-sensor-press.o
AR drivers/iio/proximity/built-in.a
CC drivers/hid/hid-magicmouse.o
CC drivers/staging/rtl8712/rtl8712_xmit.o
AR drivers/iio/resolver/built-in.a
CC drivers/hid/hid-mf.o
CC drivers/gpu/drm/i915/display/intel_opregion.o
CC drivers/hid/hid-microsoft.o
CC drivers/iio/temperature/hid-sensor-temperature.o
CC drivers/gpu/drm/i915/display/intel_fbdev.o
AR drivers/iio/magnetometer/built-in.a
AR drivers/iio/test/built-in.a
AR drivers/iio/trigger/built-in.a
CC drivers/iio/industrialio-core.o
AR drivers/md/built-in.a
CC drivers/gpu/drm/i915/display/dvo_ch7017.o
CC drivers/hid/hid-monterey.o
CC drivers/hid/hid-multitouch.o
CC drivers/hid/hid-nti.o
CC drivers/hid/hid-ntrig.o
CC drivers/gpu/drm/i915/display/dvo_ch7xxx.o
CC drivers/iio/industrialio-event.o
CC drivers/hid/hid-ortek.o
CC drivers/iio/inkern.o
CC drivers/iio/industrialio-buffer.o
CC drivers/gpu/drm/i915/display/dvo_ivch.o
CC drivers/iio/industrialio-trigger.o
CC drivers/hid/hid-prodikeys.o
CC drivers/gpu/drm/i915/display/dvo_ns2501.o
CC drivers/hid/hid-pl.o
CC drivers/gpu/drm/i915/display/dvo_sil164.o
CC drivers/gpu/drm/i915/display/dvo_tfp410.o
CC drivers/hid/hid-penmount.o
AR drivers/infiniband/core/built-in.a
AR drivers/iio/pressure/built-in.a
CC drivers/hid/hid-petalynx.o
CC drivers/gpu/drm/i915/display/g4x_dp.o
CC drivers/gpu/drm/i915/display/g4x_hdmi.o
AR drivers/infiniband/built-in.a
CC drivers/gpu/drm/i915/display/icl_dsi.o
CC drivers/hid/hid-picolcd_core.o
CC drivers/gpu/drm/i915/display/intel_backlight.o
CC drivers/hid/hid-picolcd_fb.o
AR drivers/iio/temperature/built-in.a
CC drivers/gpu/drm/i915/display/intel_crt.o
CC drivers/gpu/drm/i915/display/intel_ddi.o
CC drivers/hid/hid-picolcd_backlight.o
CC drivers/gpu/drm/i915/display/intel_ddi_buf_trans.o
CC drivers/gpu/drm/i915/display/intel_display_trace.o
CC drivers/gpu/drm/i915/display/intel_dkl_phy.o
CC drivers/gpu/drm/i915/display/intel_dp.o
CC drivers/gpu/drm/i915/display/intel_dp_aux.o
CC drivers/hid/hid-picolcd_lcd.o
CC drivers/gpu/drm/i915/display/intel_dp_aux_backlight.o
CC drivers/gpu/drm/i915/display/intel_dp_hdcp.o
CC drivers/hid/hid-picolcd_leds.o
CC drivers/gpu/drm/i915/display/intel_dp_link_training.o
CC drivers/gpu/drm/i915/display/intel_dp_mst.o
CC drivers/gpu/drm/i915/display/intel_dsi.o
CC drivers/hid/hid-picolcd_cir.o
CC drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.o
CC drivers/gpu/drm/i915/display/intel_dsi_vbt.o
CC drivers/hid/hid-picolcd_debugfs.o
CC drivers/hid/hid-plantronics.o
CC drivers/hid/hid-primax.o
CC drivers/gpu/drm/i915/display/intel_dvo.o
CC drivers/hid/hid-redragon.o
CC drivers/gpu/drm/i915/display/intel_gmbus.o
CC drivers/gpu/drm/i915/display/intel_hdmi.o
CC drivers/hid/hid-retrode.o
CC drivers/hid/hid-roccat.o
CC drivers/gpu/drm/i915/display/intel_lspcon.o
CC drivers/gpu/drm/i915/display/intel_lvds.o
CC drivers/hid/hid-roccat-common.o
CC drivers/hid/hid-roccat-arvo.o
CC drivers/hid/hid-roccat-isku.o
CC drivers/hid/hid-roccat-kone.o
CC drivers/gpu/drm/i915/display/intel_panel.o
AR drivers/thunderbolt/built-in.a
CC drivers/gpu/drm/i915/display/intel_pps.o
CC drivers/gpu/drm/i915/display/intel_qp_tables.o
CC drivers/gpu/drm/i915/display/intel_sdvo.o
CC drivers/hid/hid-roccat-koneplus.o
CC drivers/gpu/drm/i915/display/intel_snps_phy.o
CC drivers/gpu/drm/i915/display/intel_tv.o
CC drivers/gpu/drm/i915/display/intel_vdsc.o
CC drivers/gpu/drm/i915/display/intel_vrr.o
CC drivers/hid/hid-roccat-konepure.o
CC drivers/hid/hid-roccat-kovaplus.o
CC drivers/gpu/drm/i915/display/vlv_dsi.o
CC drivers/hid/hid-roccat-lua.o
CC drivers/hid/hid-roccat-pyra.o
CC drivers/gpu/drm/i915/display/vlv_dsi_pll.o
CC drivers/hid/hid-roccat-ryos.o
CC drivers/hid/hid-roccat-savu.o
CC drivers/gpu/drm/i915/i915_perf.o
CC drivers/gpu/drm/i915/pxp/intel_pxp.o
CC drivers/hid/hid-rmi.o
CC drivers/gpu/drm/i915/pxp/intel_pxp_tee.o
CC drivers/gpu/drm/i915/pxp/intel_pxp_huc.o
AR drivers/staging/rtl8712/built-in.a
AR drivers/staging/built-in.a
CC drivers/hid/hid-saitek.o
CC drivers/hid/hid-samsung.o
CC drivers/hid/hid-sjoy.o
CC drivers/hid/hid-sony.o
CC drivers/hid/hid-speedlink.o
CC drivers/hid/hid-steelseries.o
CC drivers/gpu/drm/i915/i915_gpu_error.o
CC drivers/hid/hid-sunplus.o
CC drivers/gpu/drm/i915/i915_vgpu.o
CC drivers/hid/hid-gaff.o
CC drivers/hid/hid-tmff.o
CC drivers/hid/hid-thrustmaster.o
CC drivers/hid/hid-tivo.o
CC drivers/hid/hid-topseed.o
CC drivers/hid/hid-uclogic-core.o
CC drivers/hid/hid-twinhan.o
CC drivers/hid/hid-uclogic-rdesc.o
AR drivers/iio/built-in.a
CC drivers/hid/hid-uclogic-params.o
CC drivers/hid/hid-udraw-ps3.o
CC drivers/hid/hid-led.o
CC drivers/hid/hid-xinmo.o
CC drivers/hid/hid-zpff.o
CC drivers/hid/hid-zydacron.o
CC drivers/hid/wacom_sys.o
CC drivers/hid/hid-waltop.o
CC drivers/hid/wacom_wac.o
CC drivers/hid/hid-wiimote-core.o
CC drivers/hid/hid-wiimote-modules.o
CC drivers/hid/hid-wiimote-debug.o
CC drivers/hid/hid-sensor-hub.o
CC drivers/hid/hid-sensor-custom.o
AR drivers/android/built-in.a
AR drivers/hid/built-in.a
AR drivers/gpu/drm/i915/built-in.a
AR drivers/gpu/drm/built-in.a
AR drivers/gpu/built-in.a
AR drivers/built-in.a
AR built-in.a
AR vmlinux.a
LD vmlinux.o
Killed
make[1]: *** [scripts/Makefile.vmlinux_o:61: vmlinux.o] Error 137
make[1]: *** Deleting file 'vmlinux.o'
make: *** [Makefile:1245: vmlinux_o] Error 2


Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=119409ff880000


Tested on:

commit: 72a85e2b Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=15072ae4480000

Hillf Danton

unread,
Mar 8, 2024, 5:33:51 AMMar 8
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On Sun, 25 Dec 2022 17:42:37 -0800
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12569d7f880000

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

--- x/drivers/media/rc/imon.c
+++ y/drivers/media/rc/imon.c
@@ -1758,6 +1758,7 @@ static void usb_rx_callback_intf0(struct

switch (urb->status) {
case -ENOENT: /* usbcore unlink successful! */
+ case -EPROTO:
return;

case -ESHUTDOWN: /* transport endpoint was shut down */
--

syzbot

unread,
Mar 8, 2024, 5:55:06 AMMar 8
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in worker_thread

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P42/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=11789, q=668 ncpus=2)
task:kworker/u4:2 state:R running task stack:22848 pid:42 tgid:42 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7047
irqentry_exit+0x5e/0x90 kernel/entry/common.c:348
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x25a/0x530 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 04 75 84 00 f6 44 24 61 02 0f 85 8e 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90000b2f9c0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000165f44 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8baac7e0 RDI: ffffffff8bfe6da0
RBP: ffffc90000b2fb10 R08: ffffffff92c8d427 R09: 1ffffffff2591a84
R10: dffffc0000000000 R11: fffffbfff2591a85 R12: 1ffff92000165f40
R13: dffffc0000000000 R14: ffffc90000b2fa20 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
rcu_read_lock include/linux/rcupdate.h:750 [inline]
batadv_nc_process_nc_paths+0xd6/0x3a0 net/batman-adv/network-coding.c:687
batadv_nc_worker+0x42a/0x610 net/batman-adv/network-coding.c:728
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2f1/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
</TASK>
rcu: rcu_preempt kthread starved for 10535 jiffies! g11789 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:23864 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2183
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:1663
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
kthread+0x2f1/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5658 Comm: syz-executor.3 Not tainted 6.8.0-rc7-syzkaller-g3aaa8ce7a335-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:195
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 60 43 33 0a f3 0f 1e fa 89 f6 31 d2 e9 73 6d 9b 03 0f 1f
RSP: 0018:ffffc900001f0e68 EFLAGS: 00000046
RAX: 000000000004d432 RBX: 0000000000000020 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000004d432 RDI: 0000000000000838
RBP: 000000000004d432 R08: ffffffff81850879 R09: 1ffffffff1f0ad85
R10: dffffc0000000000 R11: ffffffff813dad70 R12: 00000000004d426b
R13: dffffc0000000000 R14: 0000000010002696 R15: ffff8880b9528340
FS: 00007fdd9db536c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd9db52f00 CR3: 0000000029a14000 CR4: 0000000000350ef0
Call Trace:
<NMI>
</NMI>
<IRQ>
apic_write arch/x86/include/asm/apic.h:401 [inline]
lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:448
clockevents_program_event+0x1c3/0x350 kernel/time/clockevents.c:334
hrtimer_interrupt+0x54a/0x990 kernel/time/hrtimer.c:1828
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
__sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1082
sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 da 5c ff f5 48 89 df e8 92 9c 00 f6 e8 5d bc 28 f6 fb bf 01 00 00 00 <e8> 62 6d f2 f5 65 8b 05 e3 dd 91 74 85 c0 74 06 5b e9 71 40 00 00
RSP: 0018:ffffc90009967c70 EFLAGS: 00000282
RAX: 7a78bd9c4bd32000 RBX: ffff888028141280 RCX: ffffffff94485303
RDX: dffffc0000000000 RSI: ffffffff8baab660 RDI: 0000000000000001
RBP: ffffc90009967db0 R08: ffffffff8f856c2f R09: 1ffffffff1f0ad85
R10: dffffc0000000000 R11: fffffbfff1f0ad86 R12: 1ffff110050282e3
R13: 000000001c000004 R14: 0000000000000021 R15: ffff888028141718
spin_unlock_irq include/linux/spinlock.h:401 [inline]
get_signal+0x156d/0x1850 kernel/signal.c:2896
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0xc8/0x360 kernel/entry/common.c:212
do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fdd9ce7dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdd9db530c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fdd9cfabf80 RCX: 00007fdd9ce7dda9
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fdd9ceca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdd9cfabf80 R15: 00007ffd320bad98
</TASK>
sched: RT throttling activated
hrtimer: interrupt took 1020224749 ns


Tested on:

commit: 3aaa8ce7 Merge tag 'mm-hotfixes-stable-2024-03-07-16-1..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=14aeada6180000
kernel config: https://syzkaller.appspot.com/x/.config?x=165e1d0fff4d3c47
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1053695a180000

Hillf Danton

unread,
Mar 8, 2024, 7:09:52 AMMar 8
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On Sun, 25 Dec 2022 17:42:37 -0800
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12569d7f880000

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

--- x/drivers/media/rc/imon.c
+++ y/drivers/media/rc/imon.c
@@ -1758,6 +1758,7 @@ static void usb_rx_callback_intf0(struct

switch (urb->status) {
case -ENOENT: /* usbcore unlink successful! */
+ case -EPROTO:
return;

case -ESHUTDOWN: /* transport endpoint was shut down */
--- x/net/batman-adv/network-coding.c
+++ y/net/batman-adv/network-coding.c
@@ -397,6 +397,7 @@ static void batadv_nc_purge_orig_hash(st
struct hlist_head *head;
struct batadv_orig_node *orig_node;
u32 i;
+ int loop = 0;

if (!hash)
return;
@@ -406,9 +407,14 @@ static void batadv_nc_purge_orig_hash(st
head = &hash->table[i];

rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, head, hash_entry)
+ hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
batadv_nc_purge_orig(bat_priv, orig_node,
batadv_nc_to_purge_nc_node);
+ if (++loop > 20) {
+ rcu_read_unlock();
+ return;
+ }
+ }
rcu_read_unlock();
}
}
@@ -433,6 +439,7 @@ static void batadv_nc_purge_paths(struct
struct batadv_nc_path *nc_path;
spinlock_t *lock; /* Protects lists in hash */
u32 i;
+ int loop = 0;

for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
@@ -441,6 +448,10 @@ static void batadv_nc_purge_paths(struct
/* For each nc_path in this bin */
spin_lock_bh(lock);
hlist_for_each_entry_safe(nc_path, node_tmp, head, hash_entry) {
+ if (++loop > 20) {
+ spin_unlock_bh(lock);
+ return;
+ }
/* if an helper function has been passed as parameter,
* ask it if the entry has to be purged or not
*/
@@ -675,6 +686,7 @@ batadv_nc_process_nc_paths(struct batadv
struct batadv_nc_path *nc_path;
bool ret;
int i;
+ int loop = 0;

if (!hash)
return;
@@ -686,6 +698,10 @@ batadv_nc_process_nc_paths(struct batadv
/* Loop coding paths */
rcu_read_lock();
hlist_for_each_entry_rcu(nc_path, head, hash_entry) {
+ if (++loop > 20) {
+ rcu_read_unlock();
+ return;
+ }
/* Loop packets */
spin_lock_bh(&nc_path->packet_list_lock);
list_for_each_entry_safe(nc_packet, nc_packet_tmp,
--

syzbot

unread,
Mar 8, 2024, 7:40:04 AMMar 8
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 1, t=10502 jiffies, g=11269, q=931 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294959483-4294948980), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g11269 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26256 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2183
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:1663
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
kthread+0x2f1/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 5641 Comm: syz-executor.3 Not tainted 6.8.0-rc7-syzkaller-g3aaa8ce7a335-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 da 5c ff f5 48 89 df e8 92 9c 00 f6 e8 5d bc 28 f6 fb bf 01 00 00 00 <e8> 62 6d f2 f5 65 8b 05 e3 dd 91 74 85 c0 74 06 5b e9 71 40 00 00
RSP: 0018:ffffc9000b807c70 EFLAGS: 00000282
RAX: 6aefe969317ba800 RBX: ffff88802a6f9280 RCX: ffffffff94485303
RDX: dffffc0000000000 RSI: ffffffff8baab660 RDI: 0000000000000001
RBP: ffffc9000b807db0 R08: ffffffff8f856c2f R09: 1ffffffff1f0ad85
R10: dffffc0000000000 R11: fffffbfff1f0ad86 R12: 1ffff110054df2e3
R13: 000000001c000004 R14: 0000000000000021 R15: ffff88802a6f9718
FS: 00007f01503ec6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f01503ebf00 CR3: 000000001b390000 CR4: 0000000000350ef0
Call Trace:
<IRQ>
</IRQ>
<TASK>
spin_unlock_irq include/linux/spinlock.h:401 [inline]
get_signal+0x156d/0x1850 kernel/signal.c:2896
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0xc8/0x360 kernel/entry/common.c:212
do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f014f62eae0
Code: 31 c0 e8 63 86 ff ff 48 8b 04 24 8b b0 80 00 00 00 85 f6 7e 0e 48 8d 3d 83 af 09 00 31 c0 e8 47 86 ff ff 48 8d 3d 9a ea 0b 00 <31> c0 e8 39 86 ff ff 48 83 c4 68 5b 5d 41 5c 41 5e c3 66 0f 1f 44
RSP: 002b:00007f01503ec0f0 EFLAGS: 00000246
RAX: 00007f014f7abf80 RBX: 0000000000000000 RCX: 00007f014f6d9aa6
RDX: 0000000000002da0 RSI: 0000000000000000 RDI: 00007f014f6ed57a
RBP: 00007f014f6d9aa6 R08: 0000000000000000 R09: 00007fffc81730b0
R10: 00007fffc8173080 R11: 0000000000005448 R12: 0000000000000000
R13: 000000000000000b R14: 00007f014f7abf80 R15: 00007fffc8124068
</TASK>
sched: RT throttling activated


Tested on:

commit: 3aaa8ce7 Merge tag 'mm-hotfixes-stable-2024-03-07-16-1..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=15293fde180000
kernel config: https://syzkaller.appspot.com/x/.config?x=165e1d0fff4d3c47
dashboard link: https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=11892e86180000

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