------------[ cut here ]------------ WARNING: CPU: 1 PID: 3918 at kernel/rcu/tree.c:1058 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3918 Comm: systemd-udevd Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x31e/0x797 kernel/panic.c:231 __warn.cold+0x20/0x4f kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058 Code: e0 06 8a e8 bd 8c b2 fb e9 6a ff ff ff 0f 1f 84 00 00 00 00 00 8b 05 26 f5 34 03 85 c0 74 0d 65 8b 05 5b 97 dd 77 85 c0 74 02 <0f> 0b e9 04 ff ff ff 0f 1f 40 00 55 53 48 c7 c3 40 6c 03 00 e8 52 RSP: 0018:ffffc900054676f8 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000082 RCX: ffffffff817c45c7 RDX: ffff8880a24842c0 RSI: ffffffff8163f5f1 RDI: 0000000000000005 RBP: ffff8880a24842c0 R08: 0000000000000000 R09: ffffffff8b59380f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082 R13: ffffffff8163be5a R14: 0000000000000000 R15: ffff8880879bc220 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1073 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline] trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline] trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline] trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74 rcu_read_unlock_special kernel/rcu/tree_plugin.h:599 [inline] __rcu_read_unlock+0x14a/0x580 kernel/rcu/tree_plugin.h:395 rcu_read_unlock include/linux/rcupdate.h:687 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1938 [inline] bpf_trace_run7+0x1b9/0x420 kernel/trace/bpf_trace.c:1979 __bpf_trace_lock_acquire+0x1bc/0x200 include/trace/events/lock.h:13 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x382/0xad0 kernel/locking/lockdep.c:5004 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline] _raw_spin_trylock+0x60/0x70 kernel/locking/spinlock.c:135 spin_trylock include/linux/spinlock.h:364 [inline] dentry_kill fs/dcache.c:694 [inline] dput+0x60f/0xbc0 fs/dcache.c:878 handle_mounts fs/namei.c:1389 [inline] step_into+0xc43/0x1990 fs/namei.c:1690 walk_component+0x171/0x6a0 fs/namei.c:1866 lookup_last fs/namei.c:2309 [inline] path_lookupat+0x1ba/0x830 fs/namei.c:2333 filename_lookup+0x19f/0x560 fs/namei.c:2366 user_path_at include/linux/namei.h:59 [inline] do_faccessat+0x129/0x820 fs/open.c:423 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7ff26a7269c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffdb507e608 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00005579b4d7b130 RCX: 00007ff26a7269c7 RDX: 00746e657665752f RSI: 0000000000000000 RDI: 00007ffdb507e610 RBP: 00007ffdb507e690 R08: 000000000000cc00 R09: 0000000000001010 R10: 00007ff26a9e4b58 R11: 0000000000000246 R12: 00005579b34f5856 R13: 00005579b4d937d0 R14: 00007ffdb507e610 R15: 00005579b4d93790 Kernel Offset: disabled Rebooting in 86400 seconds..