------------[ cut here ]------------
NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 3565 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 3565 Comm: kworker/1:5 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events iterate_cleanup_work
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:ffffc90000dd0b10 EFLAGS: 00010246
RAX: d07080d170de3500 RBX: ffff888019b92000 RCX: ffff88807dc39dc0
RDX: 0000000080000101 RSI: 0000000080000101 RDI: 0000000000000000
RBP: 00000000ffffb501 R08: ffffffff8166860c R09: fffffbfff1f7ee31
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888019b92448
R13: ffff888019b92440 R14: ffff888019b92540 R15: ffff888019b92460
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f992c799000 CR3: 000000007daba000 CR4: 00000000003506e0
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:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:196
Code: 00 00 00 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 28 08 64 0c 48 89 de 5b e9 07 01 49 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0d f4 12 82 7e 65 8b 15 f5 12 82 7e f7 c2 00 01 ff 00 74
RSP: 0018:ffffc90003347ae8 EFLAGS: 00000287
RAX: ffffffff887b2d2f RBX: ffff888023d267a8 RCX: ffff88807dc39dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000024cf6 R08: ffffffff887b2a8e R09: fffffbfff1f7ee29
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003347b80 R14: 1ffff110047a4cf5 R15: ffffffff887b2d80
get_next_corpse net/netfilter/nf_conntrack_core.c:2332 [inline]
nf_ct_iterate_cleanup+0x35f/0x3b0 net/netfilter/nf_conntrack_core.c:2381
nf_ct_iterate_cleanup_net+0x15e/0x1d0 net/netfilter/nf_conntrack_core.c:2465
iterate_cleanup_work+0x63/0x110 net/netfilter/nf_nat_masquerade.c:83
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
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: 0f 1f 00 nopl (%rax)
5: 53 push %rbx
6: 48 89 fb mov %rdi,%rbx
9: e8 17 00 00 00 call 0x25
e: 48 8b 3d 28 08 64 0c mov 0xc640828(%rip),%rdi # 0xc64083d
15: 48 89 de mov %rbx,%rsi
18: 5b pop %rbx
19: e9 07 01 49 00 jmp 0x490125
1e: cc int3
1f: cc int3
20: cc int3
21: cc int3
22: cc int3
23: cc int3
24: cc int3
25: 48 8b 04 24 mov (%rsp),%rax
* 29: 65 48 8b 0d f4 12 82 mov %gs:0x7e8212f4(%rip),%rcx # 0x7e821325 <-- trapping instruction
30: 7e
31: 65 8b 15 f5 12 82 7e mov %gs:0x7e8212f5(%rip),%edx # 0x7e82132d
38: f7 c2 00 01 ff 00 test $0xff0100,%edx
3e: 74 .byte 0x74