------------[ cut here ]------------
NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 0 PID: 3540 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Modules linked in:
CPU: 0 PID: 3540 Comm: udevd Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Code: 05 5d 7f 7b 05 01 48 8b 5c 24 28 48 89 df e8 fb ba e2 ff 48 c7 c7 00 c9 7c 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 74 6c f6 f8 <0f> 0b e9 fe fc ff ff e8 18 c4 2a f9 0f 0b e9 83 fc ff ff 44 89 e1
RSP: 0018:ffffc90000007b10 EFLAGS: 00010246
RAX: c8df0eb46e64d700 RBX: ffff88807b81e000 RCX: ffff888018f05940
RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000
RBP: 00000000ffffb001 R08: ffffffff8166860c R09: fffff52000000ea5
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807b81e448
R13: ffff88807b81e440 R14: ffff88807b81e540 R15: ffff88807b81e460
FS: 00007ff255041c80(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6462b246c6 CR3: 00000000615fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
Code: 2b 00 74 08 4c 89 f7 e8 fc 7c 67 00 f6 44 24 61 02 0f 85 84 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:ffffc90003fb75e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920007f6ec8 RCX: ffffffff81636502
RDX: dffffc0000000000 RSI: ffffffff8a8b3c20 RDI: ffffffff8ad8f6c0
RBP: ffffc90003fb7728 R08: dffffc0000000000 R09: fffffbfff1f7f02d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007f6ec4
R13: dffffc0000000000 R14: ffffc90003fb7640 R15: 0000000000000246
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
kernfs_iop_permission+0x79/0x360 fs/kernfs/inode.c:285
do_inode_permission fs/namei.c:459 [inline]
inode_permission+0x22f/0x450 fs/namei.c:526
may_lookup fs/namei.c:1693 [inline]
link_path_walk+0x2be/0xd90 fs/namei.c:2245
path_openat+0x249/0x2f20 fs/namei.c:3738
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x500 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff25516c9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff9b7df7e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff25516c9a4
RDX: 0000000000080000 RSI: 00007fff9b7df918 RDI: 00000000ffffff9c
RBP: 00007fff9b7df918 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 000056298b220b42 R14: 0000000000000001 R15: 000056298b23c160
----------------
Code disassembly (best guess):
0: 2b 00 sub (%rax),%eax
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 fc 7c 67 00 call 0x677d08
c: f6 44 24 61 02 testb $0x2,0x61(%rsp)
11: 0f 85 84 01 00 00 jne 0x19b
17: 41 f7 c7 00 02 00 00 test $0x200,%r15d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1)
3a: 00 00
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 25 .byte 0x25