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NETDEV WATCHDOG: lec0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 3557 at net/sched/sch_generic.c:481 dev_watchdog+0x85d/0xa40 net/sched/sch_generic.c:480
Modules linked in:
CPU: 1 PID: 3557 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:dev_watchdog+0x85d/0xa40 net/sched/sch_generic.c:480
Code: f6 71 05 01 48 8b 5c 24 20 48 89 df e8 9c d6 e3 ff 48 c7 c7 80 53 22 8b 48 89 de 48 8b 1c 24 48 89 c2 44 89 e1 e8 d3 d8 b0 01 <0f> 0b e9 51 fe ff ff e8 97 a3 73 f9 0f 0b e9 33 fe ff ff 89 d9 80
RSP: 0018:ffffc90000dd0af0 EFLAGS: 00010246
RAX: 012c3ef4394b4600 RBX: ffff8880199a4448 RCX: ffff88807ce31dc0
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90000dd0627 R09: 1ffff920001ba0c4
R10: dffffc0000000000 R11: fffff520001ba0c5 R12: 0000000000000000
R13: ffff8880199a4540 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007efff6490880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556c7f0a38 CR3: 000000001fc30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 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:check_region_inline mm/kasan/generic.c:-1 [inline]
RIP: 0010:kasan_check_range+0x12/0x290 mm/kasan/generic.c:189
Code: ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 41 57 41 56 41 54 <53> 49 89 f8 49 01 f0 0f 82 0e 02 00 00 49 89 f8 49 c1 e8 2f 41 81
RSP: 0018:ffffc90002e7f5c8 EFLAGS: 00000202
RAX: ffffffff83a91601 RBX: 0000000000000083 RCX: ffffffff83a91658
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801f4f96c0
RBP: ffff88801f4f9601 R08: ffff88801f4f96c7 R09: 1ffff11003e9f2d8
R10: dffffc0000000000 R11: ffffed1003e9f2d9 R12: dffffc0000000000
R13: 0000000000001100 R14: 0000000000000082 R15: ffff88801f4f96b0
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 tomoyo_check_acl+0x308/0x420 security/tomoyo/domain.c:184
 tomoyo_path_permission+0x1a6/0x3a0 security/tomoyo/file.c:586
 tomoyo_check_open_permission+0x275/0x410 security/tomoyo/file.c:777
 security_file_open+0x5e/0xa0 security/security.c:1730
 do_dentry_open+0x321/0xf90 fs/open.c:813
 do_open fs/namei.c:3659 [inline]
 path_openat+0x2718/0x2fb0 fs/namei.c:3793
 do_filp_open+0x1df/0x400 fs/namei.c:3820
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 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: 0033:0x7efff657e407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd083ccd70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efff6490880 RCX: 00007efff657e407
RDX: 0000000000080000 RSI: 00007ffd083ccef0 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055644f5677f5
R13: 000055644f5677f5 R14: 0000000000000001 R15: 00007ffd083d1540
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	ff c3                	inc    %ebx
   2:	0f 0b                	ud2
   4:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
   9:	c3                   	ret
   a:	00 00                	add    %al,(%rax)
   c:	cc                   	int3
   d:	cc                   	int3
   e:	00 00                	add    %al,(%rax)
  10:	cc                   	int3
  11:	cc                   	int3
  12:	00 00                	add    %al,(%rax)
  14:	cc                   	int3
  15:	cc                   	int3
  16:	b0 01                	mov    $0x1,%al
  18:	48 85 f6             	test   %rsi,%rsi
  1b:	0f 84 ac 01 00 00    	je     0x1cd
  21:	55                   	push   %rbp
  22:	41 57                	push   %r15
  24:	41 56                	push   %r14
  26:	41 54                	push   %r12
* 28:	53                   	push   %rbx <-- trapping instruction
  29:	49 89 f8             	mov    %rdi,%r8
  2c:	49 01 f0             	add    %rsi,%r8
  2f:	0f 82 0e 02 00 00    	jb     0x243
  35:	49 89 f8             	mov    %rdi,%r8
  38:	49 c1 e8 2f          	shr    $0x2f,%r8
  3c:	41                   	rex.B
  3d:	81                   	.byte 0x81