watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.294:1501]
Modules linked in:
CPU: 1 PID: 1501 Comm: syz.2.294 Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:166 [inline]
RIP: 0010:unwind_next_frame+0x2a5/0x1ea0 arch/x86/kernel/unwind_orc.c:438
Code: f8 48 8d 1c 85 48 db b7 86 48 89 d8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28 84 c0 0f 85 53 18 00 00 44 8b 33 <44> 89 f8 ff c0 48 8d 1c 85 48 db b7 86 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffff8881f6f09520 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffffffff86b7dcf0 RCX: ffffffff86eb4903
RDX: 0000000000038021 RSI: 0000000000000040 RDI: 0000000000000001
RBP: ffff8881f6f09810 R08: ffffffff8153c572 R09: ffff8881f6f09870
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff81006a1f
R13: dffffc0000000000 R14: 0000000000000158 R15: 000000000000006a
FS: 00007f7bb66bc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005594a2dfc6a8 CR3: 00000001d6aff000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
save_stack mm/kasan/common.c:70 [inline]
set_track mm/kasan/common.c:78 [inline]
__kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
slab_post_alloc_hook mm/slab.h:584 [inline]
slab_alloc_node mm/slub.c:2829 [inline]
slab_alloc mm/slub.c:2837 [inline]
kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
kmem_cache_alloc_node include/linux/slab.h:427 [inline]
__alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198
alloc_skb include/linux/skbuff.h:1080 [inline]
nlmsg_new include/net/netlink.h:888 [inline]
br_ifinfo_notify+0x10e/0x2a0 net/bridge/br_netlink.c:491
br_forward_delay_timer_expired+0x213/0x250 net/bridge/br_stp_timer.c:98
call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
expire_timers kernel/time/timer.c:1493 [inline]
__run_timers+0x879/0xbe0 kernel/time/timer.c:1817
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
__do_softirq+0x23b/0x6b7 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x195/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:539 [inline]
smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
</IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3c eb 85 e8 d5 07 3d fd 48 83 3d bd 0f 94 01 00 74 29 48 89 df e8 93 da f4 fc 66 90 fb bf 01 00 00 00 <e8> d6 c4 ed fc 65 8b 05 9b 60 ab 7b 85 c0 74 02 5b c3 e8 24 27 a9
RSP: 0018:ffff8881e5b874b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6f57b40 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881e5b87510 R08: ffffffff8179a549 R09: fffffbfff0c98a53
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6f57b40
R13: ffff8881e537ee40 R14: dffffc0000000000 R15: 0000000000000000
finish_lock_switch kernel/sched/core.c:3347 [inline]
finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
context_switch kernel/sched/core.c:3611 [inline]
__schedule+0xb0d/0x1320 kernel/sched/core.c:4307
preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:4558
retint_kernel+0x1b/0x1b
RIP: 0010:compound_head include/linux/page-flags.h:176 [inline]
RIP: 0010:release_pages+0x1f9/0xb20 mm/swap.c:801
Code: 4c 3b 3d 22 ff c9 04 0f 84 3e ff ff ff 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 8a de 11 00 48 8b 1b <89> de 83 e6 01 31 ff e8 ab f7 e1 ff f6 c3 01 0f 85 e4 07 00 00 e8
RSP: 0018:ffff8881e5b87760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd4000edde71 RBX: dead000000000100 RCX: ffff8881e537ee40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881e09362f0
RBP: ffff8881e5b87868 R08: ffffffff81825664 R09: fffff94000edde6f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e0936010
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffea00076ef380
tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:189 [inline]
tlb_flush_mmu mm/mmu_gather.c:196 [inline]
tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:277
exit_mmap+0x2dc/0x520 mm/mmap.c:3193
__mmput+0x8e/0x2c0 kernel/fork.c:1101
exit_mm kernel/exit.c:538 [inline]
do_exit+0xc08/0x2bc0 kernel/exit.c:848
do_group_exit+0x138/0x300 kernel/exit.c:984
get_signal+0xdb1/0x1440 kernel/signal.c:2738
do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f7bb8051da9
Code: Bad RIP value.
RSP: 002b:00007f7bb66bc038 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f7bb826afa0 RCX: 00007f7bb8051da9
RDX: 0000000020000780 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f7bb80d32a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7bb826afa0 R15: 00007ffc6e2f7178
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2145 Comm: udevd Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__wake_up+0x72/0x1c0 kernel/sched/wait.c:141
Code: 44 24 20 b3 8a b5 41 48 c7 44 24 28 e8 71 59 85 48 c7 44 24 30 20 f7 49 81 48 8d 44 24 20 48 c1 e8 03 42 c7 04 30 f1 f1 f1 f1 <42> c7 44 30 09 f3 f3 f3 f3 66 42 c7 44 30 0d f3 f3 48 89 44 24 10
RSP: 0018:ffff8881e4687b60 EFLAGS: 00000802
RAX: 1ffff1103c8d0f70 RBX: ffff8881dfe91a48 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881e4687ba0
RBP: ffff8881e4687c50 R08: dffffc0000000000 R09: ffff8881eb672020
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e8325610
R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000003
FS: 00007f8c3be38c80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f398bcfbf98 CR3: 00000001c5be6000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
<NMI>
</NMI>
signalfd_notify include/linux/signalfd.h:22 [inline]
__send_signal+0x8f5/0xbe0 kernel/signal.c:1164
do_send_sig_info+0xe0/0x130 kernel/signal.c:1291
____bpf_send_signal kernel/trace/bpf_trace.c:677 [inline]
bpf_send_signal+0x2a8/0x3b0 kernel/trace/bpf_trace.c:637
bpf_prog_8cc4ff36b5985b6a+0x4c9/0x1000
bpf_call_func include/linux/filter.h:627 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1341 [inline]
bpf_trace_run2+0x101/0x2d0 kernel/trace/bpf_trace.c:1379
trace_sys_exit include/trace/events/syscalls.h:44 [inline]
syscall_slow_exit_work+0x370/0x400 arch/x86/entry/common.c:234
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x19d/0x1c0 arch/x86/entry/common.c:300
entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f8c3bf63b6a
Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe5cb927f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: 0000000000000080 RBX: 0000000000000000 RCX: 00007f8c3bf63b6a
RDX: 0000000000000080 RSI: 00007ffe5cb928e8 RDI: 0000000000000004
RBP: 00007ffe5cb92838 R08: 0000000000000007 R09: ed78c8167aee919c
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005594a2de0190
R13: 00007ffe5cb92838 R14: 0000000000000001 R15: 00005594a2dd02c0