------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 33890 ms WARNING: CPU: 0 PID: 5113 at net/sched/sch_generic.c:525 dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 5113 Comm: syz-executor.5 Not tainted 6.7.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525 Code: 1b 77 06 01 90 48 8b 5c 24 10 48 89 df e8 0b 32 e6 ff 45 89 e8 89 e9 48 89 de 48 89 c2 48 c7 c7 20 51 ec 8b e8 94 2b c1 f8 90 <0f> 0b 90 90 e9 23 fd ff ff e8 e5 ea fa f8 90 0f 0b 90 e9 bc fc ff RSP: 0018:ffffc90000007be0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88807a770000 RCX: ffffffff814ca739 RDX: ffff88803e4f2180 RSI: ffffffff814ca746 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000000c1c80 R12: ffff88802a03c400 R13: 0000000000008462 R14: ffff88807a770548 R15: 0000000100037e03 FS: 0000555555993480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000003e444000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x193/0x590 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb20 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x21a/0x8de kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x20 kernel/kcov.c:304 Code: 00 00 f3 0f 1e fa 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 c8 fe ff ff 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 aa fe ff ff 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000363fb08 EFLAGS: 00000206 RAX: 0000000040000005 RBX: ffffc9000363fcf8 RCX: ffffffff814db00d RDX: 0000000000000000 RSI: 0000000040000000 RDI: 0000000000000000 RBP: ffffc9000363fcfc R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807cb241c0 R14: 0000000040000000 R15: ffff88807cb24700 eligible_child kernel/exit.c:1050 [inline] wait_consider_task+0x29d/0x40a0 kernel/exit.c:1371 do_wait_thread kernel/exit.c:1474 [inline] __do_wait+0x1e3/0x890 kernel/exit.c:1592 do_wait+0x212/0x530 kernel/exit.c:1626 kernel_wait4+0x16d/0x280 kernel/exit.c:1785 __do_sys_wait4+0x15b/0x170 kernel/exit.c:1813 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fa771e79717 Code: 89 7c 24 10 48 89 4c 24 18 e8 d5 a3 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 25 a4 02 00 8b 44 RSP: 002b:00007ffe97a63880 EFLAGS: 00000293 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000001a93 RCX: 00007fa771e79717 RDX: 0000000040000001 RSI: 00007ffe97a6390c RDI: 00000000ffffffff RBP: 00007ffe97a6390c R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 0000000000280bd6 R14: 0000000000280886 R15: 0000000000000005 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: f3 0f 1e fa endbr64 6: 48 8b 0c 24 mov (%rsp),%rcx a: 0f b7 d6 movzwl %si,%edx d: 0f b7 f7 movzwl %di,%esi 10: bf 03 00 00 00 mov $0x3,%edi 15: e9 c8 fe ff ff jmp 0xfffffee2 1a: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 21: 00 22: f3 0f 1e fa endbr64 26: 48 8b 0c 24 mov (%rsp),%rcx * 2a: 89 f2 mov %esi,%edx <-- trapping instruction 2c: 89 fe mov %edi,%esi 2e: bf 05 00 00 00 mov $0x5,%edi 33: e9 aa fe ff ff jmp 0xfffffee2 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)