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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 0 PID: 14024 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 0 PID: 14024 Comm: syz.0.2007 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 0a 85 62 05 01 4c 8b 74 24 28 4c 89 f7 e8 b2 4f e4 ff 48 c7 c7 c0 84 01 8b 4c 89 f6 48 89 c2 44 89 e1 e8 dd 1f aa 01 <0f> 0b e9 31 fe ff ff e8 01 7c 84 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0018:ffffc90000007b08 EFLAGS: 00010246
RAX: 96720e82d7fbee00 RBX: dffffc0000000000 RCX: ffff888029ee9dc0
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff8880291c0868 R08: dffffc0000000000 R09: fffff52000000ec5
R10: fffff52000000ec5 R11: 1ffff92000000ec4 R12: 0000000000000000
R13: ffff888057bc2540 R14: ffff888057bc2000 R15: dffffc0000000000
FS:  00007efcfb47e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31920000 CR3: 0000000058698000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 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:__mutex_unlock_slowpath+0x452/0x6a0 kernel/locking/mutex.c:896
Code: 00 00 66 41 c7 44 04 0e 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 49 02 00 00 48 8d 65 d8 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 4c 89 f7 be 08 00 00 00 e8 8b 8c 0b f8 48 b8 00
RSP: 0018:ffffc90003ebf740 EFLAGS: 00000246
RAX: 96720e82d7fbee00 RBX: ffff888051c4ce00 RCX: ffffffff89b0999e
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90003ebf6e0
RBP: ffffc90003ebf750 R08: dffffc0000000000 R09: fffff520007d7edd
R10: fffff520007d7edd R11: 1ffff920007d7edc R12: dffffc0000000000
R13: ffffc90003ebfd40 R14: 1ffffffff1ad3449 R15: 0000000000000000
 __unix_dgram_recvmsg+0x9d6/0xd50 net/unix/af_unix.c:2396
 ____sys_recvmsg+0x291/0x580 net/socket.c:-1
 ___sys_recvmsg+0x1af/0x4f0 net/socket.c:2697
 do_recvmmsg+0x344/0x7a0 net/socket.c:2791
 __sys_recvmmsg net/socket.c:2870 [inline]
 __do_sys_recvmmsg net/socket.c:2893 [inline]
 __se_sys_recvmmsg net/socket.c:2886 [inline]
 __x64_sys_recvmmsg+0x18d/0x240 net/socket.c:2886
 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: 0033:0x7efcfd6379a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efcfb47e038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007efcfd85f080 RCX: 00007efcfd6379a9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007efcfd6b9d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efcfd85f080 R15: 00007fffc5ead488
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	66 41 c7 44 04 0e 00 	movw   $0x0,0xe(%r12,%rax,1)
   9:	00
   a:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  11:	00 00
  13:	48 3b 84 24 a0 00 00 	cmp    0xa0(%rsp),%rax
  1a:	00
  1b:	0f 85 49 02 00 00    	jne    0x26a
  21:	48 8d 65 d8          	lea    -0x28(%rbp),%rsp
  25:	5b                   	pop    %rbx
  26:	41 5c                	pop    %r12
  28:	41 5d                	pop    %r13
* 2a:	41 5e                	pop    %r14 <-- trapping instruction
  2c:	41 5f                	pop    %r15
  2e:	5d                   	pop    %rbp
  2f:	c3                   	ret
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	be 08 00 00 00       	mov    $0x8,%esi
  38:	e8 8b 8c 0b f8       	call   0xf80b8cc8
  3d:	48                   	rex.W
  3e:	b8                   	.byte 0xb8