[v5.15] INFO: rcu detected stall in sock_setsockopt
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syzbot
Mar 24, 2024, 3:22:20 PMMar 24
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: b95c01af2113 Linux 5.15.152
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16b7dc65180000
kernel config: https://syzkaller.appspot.com/x/.config?x=b26cb65e5b8ad5c7
dashboard link: https://syzkaller.appspot.com/bug?extid=c8dff76b354ed840512f
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127c1a6e180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163d4c81180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2fc98856fcae/disk-b95c01af.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3186db0dfe08/vmlinux-b95c01af.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0df136a3e808/bzImage-b95c01af.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c8dff7...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (10500 ticks this GP) idle=595/1/0x4000000000000000 softirq=49397/49397 fqs=0
(t=10500 jiffies g=53229 q=83)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g53229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=17438
rcu: rcu_preempt kthread starved for 10500 jiffies! g53229 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:26080 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 6979 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
print_cpu_stall+0x31b/0x600 kernel/rcu/tree_stall.h:631
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:lock_acquire+0xcc/0x4f0 kernel/locking/lockdep.c:5594
Code: 44 00 00 65 8b 1d 1c 89 9f 7e 83 fb 08 0f 83 e2 02 00 00 89 d8 c1 e8 06 48 8d 3c c5 a8 8d e3 8d be 08 00 00 00 e8 74 6b 67 00 <89> d8 48 0f a3 05 42 01 81 0c 73 0d e8 43 67 08 00 84 c0 0f 84 b9
RSP: 0018:ffffc90004b063e0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81628c5c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de38da8
RBP: ffffc90004b06538 R08: dffffc0000000000 R09: fffffbfff1bc71b6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000960c84
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000960cc0
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:696 [inline]
net_generic+0x1b/0x200 include/net/netns/generic.h:44
tipc_sk_lookup+0xba/0x920 net/tipc/socket.c:2995
tipc_sk_rcv+0x428/0x1d40 net/tipc/socket.c:2492
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_rcv+0x1629/0x1d40 net/tipc/socket.c:2501
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
tipc_sk_filter_rcv+0x18a2/0x33d0 net/tipc/socket.c:2364
tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
tipc_sk_rcv+0x8a7/0x1d40 net/tipc/socket.c:2497
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_backlog_rcv+0x199/0x220 net/tipc/socket.c:2412
sk_backlog_rcv include/net/sock.h:1059 [inline]
__release_sock+0x198/0x4b0 net/core/sock.c:2713
release_sock+0x5d/0x1c0 net/core/sock.c:3254
sock_setsockopt+0x155d/0x2f10 net/core/sock.c:1378
__sys_setsockopt+0x5dd/0x990 net/socket.c:2194
__do_sys_setsockopt net/socket.c:2209 [inline]
__se_sys_setsockopt net/socket.c:2206 [inline]
__x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2206
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e729228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb88e7296c0 RCX: 00007fb88e7683e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fb88e7f2328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007fb88e7f2320
R13: 00007fb88e7f232c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6980 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x1b4/0x200 arch/x86/kernel/kvm.c:918
Code: e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 45 0f b6 34 24 e8 7e d4 4e 00 44 3a 74 24 1c 75 10 66 90 0f 00 2d fe 87 50 09 fb f4 <e9> c8 fe ff ff fb e9 c2 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 54
RSP: 0018:ffffc90004b47700 EFLAGS: 00000246
RAX: abc08beaf29ddf00 RBX: 1ffff92000968ee4 RCX: ffffffff8162f928
RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: ffffffff8ad88f00
RBP: ffffc90004b477d0 R08: dffffc0000000000 R09: fffffbfff1f79e32
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807e4a3f88
R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90004b47740
FS: 00007fb88e7086c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb88e708d58 CR3: 00000000784e3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115
spin_lock_bh include/linux/spinlock.h:368 [inline]
lock_sock_nested+0x68/0x100 net/core/sock.c:3242
lock_sock include/net/sock.h:1668 [inline]
tipc_sendstream+0x43/0x70 net/tipc/socket.c:1549
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e708228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000001b RCX: 00007fb88e7683e9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007fb88e7f2338 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88e7f2330
R13: 00007fb88e7f233c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.282 msecs
NMI backtrace for cpu 1
CPU: 1 PID: 6979 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:lock_acquire+0xcc/0x4f0 kernel/locking/lockdep.c:5594
Code: 44 00 00 65 8b 1d 1c 89 9f 7e 83 fb 08 0f 83 e2 02 00 00 89 d8 c1 e8 06 48 8d 3c c5 a8 8d e3 8d be 08 00 00 00 e8 74 6b 67 00 <89> d8 48 0f a3 05 42 01 81 0c 73 0d e8 43 67 08 00 84 c0 0f 84 b9
RSP: 0018:ffffc90004b063e0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81628c5c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de38da8
RBP: ffffc90004b06538 R08: dffffc0000000000 R09: fffffbfff1bc71b6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000960c84
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000960cc0
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:696 [inline]
net_generic+0x1b/0x200 include/net/netns/generic.h:44
tipc_sk_lookup+0xba/0x920 net/tipc/socket.c:2995
tipc_sk_rcv+0x428/0x1d40 net/tipc/socket.c:2492
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_rcv+0x1629/0x1d40 net/tipc/socket.c:2501
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
tipc_sk_filter_rcv+0x18a2/0x33d0 net/tipc/socket.c:2364
tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
tipc_sk_rcv+0x8a7/0x1d40 net/tipc/socket.c:2497
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_backlog_rcv+0x199/0x220 net/tipc/socket.c:2412
sk_backlog_rcv include/net/sock.h:1059 [inline]
__release_sock+0x198/0x4b0 net/core/sock.c:2713
release_sock+0x5d/0x1c0 net/core/sock.c:3254
sock_setsockopt+0x155d/0x2f10 net/core/sock.c:1378
__sys_setsockopt+0x5dd/0x990 net/socket.c:2194
__do_sys_setsockopt net/socket.c:2209 [inline]
__se_sys_setsockopt net/socket.c:2206 [inline]
__x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2206
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e729228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb88e7296c0 RCX: 00007fb88e7683e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fb88e7f2328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007fb88e7f2320
R13: 00007fb88e7f232c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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If the report is already addressed, let syzbot know by replying with:
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If you want syzbot to run the reproducer, reply with:
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If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: b95c01af2113 Linux 5.15.152
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16b7dc65180000
kernel config: https://syzkaller.appspot.com/x/.config?x=b26cb65e5b8ad5c7
dashboard link: https://syzkaller.appspot.com/bug?extid=c8dff76b354ed840512f
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127c1a6e180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163d4c81180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2fc98856fcae/disk-b95c01af.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3186db0dfe08/vmlinux-b95c01af.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0df136a3e808/bzImage-b95c01af.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c8dff7...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (10500 ticks this GP) idle=595/1/0x4000000000000000 softirq=49397/49397 fqs=0
(t=10500 jiffies g=53229 q=83)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g53229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=17438
rcu: rcu_preempt kthread starved for 10500 jiffies! g53229 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:26080 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 6979 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
print_cpu_stall+0x31b/0x600 kernel/rcu/tree_stall.h:631
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:lock_acquire+0xcc/0x4f0 kernel/locking/lockdep.c:5594
Code: 44 00 00 65 8b 1d 1c 89 9f 7e 83 fb 08 0f 83 e2 02 00 00 89 d8 c1 e8 06 48 8d 3c c5 a8 8d e3 8d be 08 00 00 00 e8 74 6b 67 00 <89> d8 48 0f a3 05 42 01 81 0c 73 0d e8 43 67 08 00 84 c0 0f 84 b9
RSP: 0018:ffffc90004b063e0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81628c5c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de38da8
RBP: ffffc90004b06538 R08: dffffc0000000000 R09: fffffbfff1bc71b6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000960c84
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000960cc0
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:696 [inline]
net_generic+0x1b/0x200 include/net/netns/generic.h:44
tipc_sk_lookup+0xba/0x920 net/tipc/socket.c:2995
tipc_sk_rcv+0x428/0x1d40 net/tipc/socket.c:2492
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_rcv+0x1629/0x1d40 net/tipc/socket.c:2501
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
tipc_sk_filter_rcv+0x18a2/0x33d0 net/tipc/socket.c:2364
tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
tipc_sk_rcv+0x8a7/0x1d40 net/tipc/socket.c:2497
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_backlog_rcv+0x199/0x220 net/tipc/socket.c:2412
sk_backlog_rcv include/net/sock.h:1059 [inline]
__release_sock+0x198/0x4b0 net/core/sock.c:2713
release_sock+0x5d/0x1c0 net/core/sock.c:3254
sock_setsockopt+0x155d/0x2f10 net/core/sock.c:1378
__sys_setsockopt+0x5dd/0x990 net/socket.c:2194
__do_sys_setsockopt net/socket.c:2209 [inline]
__se_sys_setsockopt net/socket.c:2206 [inline]
__x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2206
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e729228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb88e7296c0 RCX: 00007fb88e7683e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fb88e7f2328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007fb88e7f2320
R13: 00007fb88e7f232c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6980 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x1b4/0x200 arch/x86/kernel/kvm.c:918
Code: e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 45 0f b6 34 24 e8 7e d4 4e 00 44 3a 74 24 1c 75 10 66 90 0f 00 2d fe 87 50 09 fb f4 <e9> c8 fe ff ff fb e9 c2 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 54
RSP: 0018:ffffc90004b47700 EFLAGS: 00000246
RAX: abc08beaf29ddf00 RBX: 1ffff92000968ee4 RCX: ffffffff8162f928
RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: ffffffff8ad88f00
RBP: ffffc90004b477d0 R08: dffffc0000000000 R09: fffffbfff1f79e32
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807e4a3f88
R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90004b47740
FS: 00007fb88e7086c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb88e708d58 CR3: 00000000784e3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115
spin_lock_bh include/linux/spinlock.h:368 [inline]
lock_sock_nested+0x68/0x100 net/core/sock.c:3242
lock_sock include/net/sock.h:1668 [inline]
tipc_sendstream+0x43/0x70 net/tipc/socket.c:1549
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e708228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000001b RCX: 00007fb88e7683e9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007fb88e7f2338 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88e7f2330
R13: 00007fb88e7f233c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.282 msecs
NMI backtrace for cpu 1
CPU: 1 PID: 6979 Comm: syz-executor250 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:lock_acquire+0xcc/0x4f0 kernel/locking/lockdep.c:5594
Code: 44 00 00 65 8b 1d 1c 89 9f 7e 83 fb 08 0f 83 e2 02 00 00 89 d8 c1 e8 06 48 8d 3c c5 a8 8d e3 8d be 08 00 00 00 e8 74 6b 67 00 <89> d8 48 0f a3 05 42 01 81 0c 73 0d e8 43 67 08 00 84 c0 0f 84 b9
RSP: 0018:ffffc90004b063e0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81628c5c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de38da8
RBP: ffffc90004b06538 R08: dffffc0000000000 R09: fffffbfff1bc71b6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000960c84
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000960cc0
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:696 [inline]
net_generic+0x1b/0x200 include/net/netns/generic.h:44
tipc_sk_lookup+0xba/0x920 net/tipc/socket.c:2995
tipc_sk_rcv+0x428/0x1d40 net/tipc/socket.c:2492
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_rcv+0x1629/0x1d40 net/tipc/socket.c:2501
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
tipc_sk_filter_rcv+0x18a2/0x33d0 net/tipc/socket.c:2364
tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
tipc_sk_rcv+0x8a7/0x1d40 net/tipc/socket.c:2497
tipc_node_xmit+0x1b7/0xf20 net/tipc/node.c:1703
tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
tipc_sk_backlog_rcv+0x199/0x220 net/tipc/socket.c:2412
sk_backlog_rcv include/net/sock.h:1059 [inline]
__release_sock+0x198/0x4b0 net/core/sock.c:2713
release_sock+0x5d/0x1c0 net/core/sock.c:3254
sock_setsockopt+0x155d/0x2f10 net/core/sock.c:1378
__sys_setsockopt+0x5dd/0x990 net/socket.c:2194
__do_sys_setsockopt net/socket.c:2209 [inline]
__se_sys_setsockopt net/socket.c:2206 [inline]
__x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2206
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb88e7683e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007fb88e729228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb88e7296c0 RCX: 00007fb88e7683e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fb88e7f2328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007fb88e7f2320
R13: 00007fb88e7f232c R14: 00007ffc4c162110 R15: 00007ffc4c1621f8
</TASK>
---
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