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NETDEV WATCHDOG: usb0 (cdc_ether): transmit queue 0 timed out
WARNING: CPU: 0 PID: 4096 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Modules linked in:
CPU: 0 PID: 4096 Comm: kworker/u4:7 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Code: 05 8c 90 7b 05 01 48 8b 5c 24 28 48 89 df e8 3b c6 e2 ff 48 c7 c7 40 c3 7c 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 e4 80 f6 f8 <0f> 0b e9 fe fc ff ff e8 88 d8 2a f9 0f 0b e9 83 fc ff ff 44 89 e1
RSP: 0018:ffffc90000007b10 EFLAGS: 00010246
RAX: 0d7d86ede1c3ef00 RBX: ffff888012bf0000 RCX: ffff8880569b8000
RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 0000000100000601 R08: ffffffff8166860c R09: fffff52000000ea5
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888012bf0448
R13: ffff888012bf0440 R14: ffff888012bf0540 R15: ffff888012bf0460
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555dd3978 CR3: 0000000061ab9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:413 [inline]
RIP: 0010:batadv_nc_worker+0x154/0x5b0 net/batman-adv/network-coding.c:723
Code: be e5 02 00 00 48 c7 c2 80 ea 9a 8b e8 05 ed 67 f7 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 9f 19 cf f7 48 8b 1b <48> 85 db 74 50 48 81 c3 38 fe ff ff 74 47 4c 89 f7 48 89 de 48 c7
RSP: 0018:ffffc9000446fbf8 EFLAGS: 00000246
RAX: 1ffff11003e40018 RBX: 0000000000000000 RCX: ffff8880569b8000
RDX: 0000000000000000 RSI: ffffffff8ad8f5e0 RDI: ffffffff8ad8f5a0
RBP: 0000000000000001 R08: ffffffff89fb1ac1 R09: fffffbfff1f7ee19
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000018
R13: dffffc0000000000 R14: ffff88801a474c80 R15: ffff88801aaf8d00
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
----------------
Code disassembly (best guess):
   0:	be e5 02 00 00       	mov    $0x2e5,%esi
   5:	48 c7 c2 80 ea 9a 8b 	mov    $0xffffffff8b9aea80,%rdx
   c:	e8 05 ed 67 f7       	call   0xf767ed16
  11:	48 89 d8             	mov    %rbx,%rax
  14:	48 c1 e8 03          	shr    $0x3,%rax
  18:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1d:	74 08                	je     0x27
  1f:	48 89 df             	mov    %rbx,%rdi
  22:	e8 9f 19 cf f7       	call   0xf7cf19c6
  27:	48 8b 1b             	mov    (%rbx),%rbx
* 2a:	48 85 db             	test   %rbx,%rbx <-- trapping instruction
  2d:	74 50                	je     0x7f
  2f:	48 81 c3 38 fe ff ff 	add    $0xfffffffffffffe38,%rbx
  36:	74 47                	je     0x7f
  38:	4c 89 f7             	mov    %r14,%rdi
  3b:	48 89 de             	mov    %rbx,%rsi
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7