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NETDEV WATCHDOG: sl1 (): transmit queue 0 timed out
WARNING: CPU: 0 PID: 7 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.188-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 68 66 61 05 01 4c 8b 74 24 28 4c 89 f7 e8 d2 42 e4 ff 48 c7 c7 c0 a1 01 8b 4c 89 f6 48 89 c2 44 89 e1 e8 2d 5d aa 01 <0f> 0b e9 31 fe ff ff e8 51 58 83 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0018:ffffc90000007b08 EFLAGS: 00010246
RAX: fa854e1b271a4900 RBX: dffffc0000000000 RCX: ffff888016a8bb80
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffff888022a67468 R08: dffffc0000000000 R09: fffff52000000ec5
R10: fffff52000000ec5 R11: 1ffff92000000ec4 R12: 0000000000000000
R13: ffff88807c28a540 R14: ffff88807c28a000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f748ee15f98 CR3: 000000001f525000 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:kasan_set_track+0x28/0x70 mm/kasan/common.c:45
Code: 66 90 55 48 89 e5 41 57 41 56 53 48 83 e4 f0 48 81 ec 10 02 00 00 41 89 f6 48 89 fb 65 48 8b 05 ce 48 45 7e 8b 80 c8 05 00 00 <89> 07 49 89 e7 ba 00 02 00 00 4c 89 ff 31 f6 e8 c4 26 00 00 4c 89
RSP: 0018:ffffc90000cc7770 EFLAGS: 00000282
RAX: 0000000000000007 RBX: ffff888022fd2008 RCX: 0000000000000000
RDX: ffff888022fd2000 RSI: 0000000000000800 RDI: ffff888022fd2008
RBP: ffffc90000cc7998 R08: dffffc0000000000 R09: ffffed10045fa400
R10: fffffbfff1ff7638 R11: 1ffffffff1ff7637 R12: ffffffff81bcb74f
R13: ffff888022fd2000 R14: 0000000000000800 R15: 0000000000000000
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook+0xea/0x170 mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kfree+0xef/0x2a0 mm/slub.c:4559
 skb_free_head net/core/skbuff.c:655 [inline]
 skb_release_data+0x6fe/0x850 net/core/skbuff.c:677
 skb_release_all net/core/skbuff.c:742 [inline]
 __kfree_skb net/core/skbuff.c:756 [inline]
 consume_skb+0xa2/0x100 net/core/skbuff.c:914
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:737 [inline]
 nsim_dev_trap_report_work+0x7cb/0xb40 drivers/net/netdevsim/dev.c:762
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	66 90                	xchg   %ax,%ax
   2:	55                   	push   %rbp
   3:	48 89 e5             	mov    %rsp,%rbp
   6:	41 57                	push   %r15
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
   f:	48 81 ec 10 02 00 00 	sub    $0x210,%rsp
  16:	41 89 f6             	mov    %esi,%r14d
  19:	48 89 fb             	mov    %rdi,%rbx
  1c:	65 48 8b 05 ce 48 45 	mov    %gs:0x7e4548ce(%rip),%rax        # 0x7e4548f2
  23:	7e
  24:	8b 80 c8 05 00 00    	mov    0x5c8(%rax),%eax
* 2a:	89 07                	mov    %eax,(%rdi) <-- trapping instruction
  2c:	49 89 e7             	mov    %rsp,%r15
  2f:	ba 00 02 00 00       	mov    $0x200,%edx
  34:	4c 89 ff             	mov    %r15,%rdi
  37:	31 f6                	xor    %esi,%esi
  39:	e8 c4 26 00 00       	call   0x2702
  3e:	4c                   	rex.WR
  3f:	89                   	.byte 0x89