[v5.15] INFO: rcu detected stall in asm_exc_page_fault
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syzbot
Jan 21, 2026, 9:57:28 AM (yesterday) Jan 21
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 9eec9a14ee10 Linux 5.15.198
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12c89d22580000
kernel config: https://syzkaller.appspot.com/x/.config?x=353ae28c40b35af5
dashboard link: https://syzkaller.appspot.com/bug?extid=94cb72062332ab445e63
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6bf27c1311e7/disk-9eec9a14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/20b573bab166/vmlinux-9eec9a14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f5ff7bd08305/bzImage-9eec9a14.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+94cb72...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (7 ticks this GP) idle=c7d/1/0x4000000000000000 softirq=9306/9306 fqs=2100
(detected by 1, t=10504 jiffies, g=11149, q=1363)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5442 Comm: syz.2.386 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:check_preemption_disabled+0x49/0x110 lib/smp_processor_id.c:55
Code: 65 8b 0d c2 76 46 76 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b 41 5e <41> 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00
RSP: 0018:ffffc90000007368 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7f9a2a3f86779900
RDX: 0000000000000000 RSI: ffffffff8a2b3580 RDI: ffffffff8a79f780
RBP: ffffc90000007498 R08: ffffffff8d89d8af R09: 1ffffffff1b13b15
R10: dffffc0000000000 R11: fffffbfff1b13b16 R12: ffffffff8c31eaa0
R13: 1ffff92000000e7c R14: 0000000000000046 R15: dffffc0000000000
FS: 00007f52970ad6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffd000000 CR3: 0000000060512000 CR4: 00000000003506f0
DR0: 0200000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline]
lock_acquire+0x166/0x400 kernel/locking/lockdep.c:5622
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:313
rcu_read_lock include/linux/rcupdate.h:740 [inline]
__perf_event_output kernel/events/core.c:7800 [inline]
perf_event_output_forward+0xbc/0x2e0 kernel/events/core.c:7822
__perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
perf_tp_event+0x383/0xbf0 kernel/events/core.c:10047
perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 c2 ef 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: 7f9a2a3f86779900 RBX: 1ffff92000000f64 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: ffffc90000007be0 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
__rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:772 [inline]
ieee80211_rx_napi+0x20f/0x390 net/mac80211/rx.c:5019
ieee80211_rx include/net/mac80211.h:4573 [inline]
ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:237
tasklet_action_common+0x2ad/0x410 kernel/softirq.c:806
handle_softirqs+0x339/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:finish_lock_switch+0x134/0x280 kernel/sched/core.c:4804
Code: be ff ff ff ff e8 4c 80 67 08 85 c0 74 4a 4d 85 ff 75 66 0f 1f 44 00 00 48 89 df e8 b6 eb 70 08 e8 41 e0 2a 00 fb 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 89 df e8 c9 09 fe ff 43 80 3c
RSP: 0018:ffffc9000341f688 EFLAGS: 00000286
RAX: 7f9a2a3f86779900 RBX: ffff8880b903a340 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: 1ffff11017207613 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: 1ffff110172075c1
R13: dffffc0000000000 R14: ffff8880b903ae08 R15: 0000000000000000
finish_task_switch+0x12f/0x640 kernel/sched/core.c:4921
context_switch kernel/sched/core.c:5052 [inline]
__schedule+0x11f7/0x43c0 kernel/sched/core.c:6395
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6799
irqentry_exit+0x63/0x70 kernel/entry/common.c:432
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:charge_memcg+0x25a/0x2f0 mm/memcontrol.c:6777
Code: ff 49 8b 86 90 10 00 00 65 4c 01 b8 10 09 00 00 4c 89 f7 48 89 de e8 b5 17 00 00 e8 40 4b bc ff fb 48 c7 44 24 20 0e 36 e0 45 <48> 8b 44 24 18 4a c7 04 28 00 00 00 00 65 48 8b 04 25 28 00 00 00
RSP: 0018:ffffc9000341fa60 EFLAGS: 00000286
RAX: 7f9a2a3f86779900 RBX: ffffea0001ca4400 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: ffffc9000341fb10 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888079928000 R15: 0000000000000001
__mem_cgroup_charge+0x21/0x80 mm/memcontrol.c:6801
mem_cgroup_charge include/linux/memcontrol.h:700 [inline]
do_anonymous_page mm/memory.c:3842 [inline]
handle_pte_fault mm/memory.c:4648 [inline]
__handle_mm_fault mm/memory.c:4785 [inline]
handle_mm_fault+0x23ff/0x4410 mm/memory.c:4883
do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0010:__put_user_nocheck_4+0x3/0x11
Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f
RSP: 0018:ffffc9000341fe80 EFLAGS: 00050297
RAX: 0000000000000008 RBX: 00007fffffffeffd RCX: 00002000000029c0
RDX: 0000000000000000 RSI: ffffffff8a2b3a20 RDI: ffffffff8a79f780
RBP: 0000000000000008 R08: ffffffff8d89d8af R09: 1ffffffff1b13b15
R10: dffffc0000000000 R11: fffffbfff1b13b16 R12: 0000000000000000
R13: 00002000000029c0 R14: 0000000000000001 R15: 0000000000000005
__sys_socketpair+0xb4/0x540 net/socket.c:1638
__do_sys_socketpair net/socket.c:1704 [inline]
__se_sys_socketpair net/socket.c:1701 [inline]
__x64_sys_socketpair+0x97/0xb0 net/socket.c:1701
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5298e51cb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52970ad028 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f52990ccfa0 RCX: 00007f5298e51cb9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007f5298ebfbf7 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000029c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f52990cd038 R14: 00007f52990ccfa0 R15: 00007ffc788e0468
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 9eec9a14ee10 Linux 5.15.198
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12c89d22580000
kernel config: https://syzkaller.appspot.com/x/.config?x=353ae28c40b35af5
dashboard link: https://syzkaller.appspot.com/bug?extid=94cb72062332ab445e63
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6bf27c1311e7/disk-9eec9a14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/20b573bab166/vmlinux-9eec9a14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f5ff7bd08305/bzImage-9eec9a14.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+94cb72...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (7 ticks this GP) idle=c7d/1/0x4000000000000000 softirq=9306/9306 fqs=2100
(detected by 1, t=10504 jiffies, g=11149, q=1363)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5442 Comm: syz.2.386 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:check_preemption_disabled+0x49/0x110 lib/smp_processor_id.c:55
Code: 65 8b 0d c2 76 46 76 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b 41 5e <41> 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00
RSP: 0018:ffffc90000007368 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7f9a2a3f86779900
RDX: 0000000000000000 RSI: ffffffff8a2b3580 RDI: ffffffff8a79f780
RBP: ffffc90000007498 R08: ffffffff8d89d8af R09: 1ffffffff1b13b15
R10: dffffc0000000000 R11: fffffbfff1b13b16 R12: ffffffff8c31eaa0
R13: 1ffff92000000e7c R14: 0000000000000046 R15: dffffc0000000000
FS: 00007f52970ad6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffd000000 CR3: 0000000060512000 CR4: 00000000003506f0
DR0: 0200000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline]
lock_acquire+0x166/0x400 kernel/locking/lockdep.c:5622
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:313
rcu_read_lock include/linux/rcupdate.h:740 [inline]
__perf_event_output kernel/events/core.c:7800 [inline]
perf_event_output_forward+0xbc/0x2e0 kernel/events/core.c:7822
__perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
perf_tp_event+0x383/0xbf0 kernel/events/core.c:10047
perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 c2 ef 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: 7f9a2a3f86779900 RBX: 1ffff92000000f64 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: ffffc90000007be0 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
__rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:772 [inline]
ieee80211_rx_napi+0x20f/0x390 net/mac80211/rx.c:5019
ieee80211_rx include/net/mac80211.h:4573 [inline]
ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:237
tasklet_action_common+0x2ad/0x410 kernel/softirq.c:806
handle_softirqs+0x339/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:finish_lock_switch+0x134/0x280 kernel/sched/core.c:4804
Code: be ff ff ff ff e8 4c 80 67 08 85 c0 74 4a 4d 85 ff 75 66 0f 1f 44 00 00 48 89 df e8 b6 eb 70 08 e8 41 e0 2a 00 fb 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 89 df e8 c9 09 fe ff 43 80 3c
RSP: 0018:ffffc9000341f688 EFLAGS: 00000286
RAX: 7f9a2a3f86779900 RBX: ffff8880b903a340 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: 1ffff11017207613 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: 1ffff110172075c1
R13: dffffc0000000000 R14: ffff8880b903ae08 R15: 0000000000000000
finish_task_switch+0x12f/0x640 kernel/sched/core.c:4921
context_switch kernel/sched/core.c:5052 [inline]
__schedule+0x11f7/0x43c0 kernel/sched/core.c:6395
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6799
irqentry_exit+0x63/0x70 kernel/entry/common.c:432
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:charge_memcg+0x25a/0x2f0 mm/memcontrol.c:6777
Code: ff 49 8b 86 90 10 00 00 65 4c 01 b8 10 09 00 00 4c 89 f7 48 89 de e8 b5 17 00 00 e8 40 4b bc ff fb 48 c7 44 24 20 0e 36 e0 45 <48> 8b 44 24 18 4a c7 04 28 00 00 00 00 65 48 8b 04 25 28 00 00 00
RSP: 0018:ffffc9000341fa60 EFLAGS: 00000286
RAX: 7f9a2a3f86779900 RBX: ffffea0001ca4400 RCX: 7f9a2a3f86779900
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: ffffc9000341fb10 R08: ffffffff901d10f7 R09: 1ffffffff203a21e
R10: dffffc0000000000 R11: fffffbfff203a21f R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888079928000 R15: 0000000000000001
__mem_cgroup_charge+0x21/0x80 mm/memcontrol.c:6801
mem_cgroup_charge include/linux/memcontrol.h:700 [inline]
do_anonymous_page mm/memory.c:3842 [inline]
handle_pte_fault mm/memory.c:4648 [inline]
__handle_mm_fault mm/memory.c:4785 [inline]
handle_mm_fault+0x23ff/0x4410 mm/memory.c:4883
do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0010:__put_user_nocheck_4+0x3/0x11
Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f
RSP: 0018:ffffc9000341fe80 EFLAGS: 00050297
RAX: 0000000000000008 RBX: 00007fffffffeffd RCX: 00002000000029c0
RDX: 0000000000000000 RSI: ffffffff8a2b3a20 RDI: ffffffff8a79f780
RBP: 0000000000000008 R08: ffffffff8d89d8af R09: 1ffffffff1b13b15
R10: dffffc0000000000 R11: fffffbfff1b13b16 R12: 0000000000000000
R13: 00002000000029c0 R14: 0000000000000001 R15: 0000000000000005
__sys_socketpair+0xb4/0x540 net/socket.c:1638
__do_sys_socketpair net/socket.c:1704 [inline]
__se_sys_socketpair net/socket.c:1701 [inline]
__x64_sys_socketpair+0x97/0xb0 net/socket.c:1701
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5298e51cb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52970ad028 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f52990ccfa0 RCX: 00007f5298e51cb9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007f5298ebfbf7 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000029c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f52990cd038 R14: 00007f52990ccfa0 R15: 00007ffc788e0468
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
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