------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 1 PID: 3560 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Modules linked in: CPU: 1 PID: 3560 Comm: udevd Not tainted 5.15.164-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Code: 05 09 5e 6b 05 01 48 8b 5c 24 28 48 89 df e8 db b9 e2 ff 48 c7 c7 80 2d 80 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 64 aa e1 f8 <0f> 0b e9 fe fc ff ff e8 c8 07 16 f9 0f 0b e9 83 fc ff ff 44 89 e1 RSP: 0018:ffffc90000dd0b10 EFLAGS: 00010246 RAX: df36d54506807800 RBX: ffff88807d3a6000 RCX: ffff888078668000 RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 00000000ffffcd01 R08: ffffffff8166892c R09: fffff520001ba0a5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d3a6448 R13: ffff88807d3a6440 R14: ffff88807d3a6540 R15: ffff88807d3a6460 FS: 00007f0373f12c80(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3d18ddc2d8 CR3: 000000001b19d000 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 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 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:file_ra_state_init+0xf8/0x160 mm/readahead.c:36 Code: 1f 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 bb 93 1e 00 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 9e 93 1e 00 8b 1b 49 8d 7e 10 48 89 f8 48 c1 e8 RSP: 0018:ffffc900020b7848 EFLAGS: 00000246 RAX: 1ffff110036f8c06 RBX: ffff88801b7c6030 RCX: ffff888078668000 RDX: 0000000000000000 RSI: ffff8881474566b0 RDI: ffff888147456488 RBP: ffff88807da1d6f0 R08: ffffffff81d48ee2 R09: fffff52000416ee5 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88807da1d800 R15: ffff8881474563d0 do_dentry_open+0xa65/0xfb0 fs/open.c:841 do_open fs/namei.c:3608 [inline] path_openat+0x2705/0x2f20 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1280 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f037403d9a4 Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffdf195a550 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055a451ddffd0 RCX: 00007f037403d9a4 RDX: 00000000000a0800 RSI: 000055a451dc6c60 RDI: 00000000ffffff9c RBP: 000055a451dc6c60 R08: 00000000ffffffff R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 R13: 000055a451dd02b0 R14: 0000000000000001 R15: 000055a451dbd910 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 d8 mov %rbx,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) c: 74 08 je 0x16 e: 48 89 df mov %rbx,%rdi 11: e8 bb 93 1e 00 call 0x1e93d1 16: 48 8b 1b mov (%rbx),%rbx 19: 48 83 c3 30 add $0x30,%rbx 1d: 48 89 d8 mov %rbx,%rax 20: 48 c1 e8 03 shr $0x3,%rax 24: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) * 29: 74 08 je 0x33 <-- trapping instruction 2b: 48 89 df mov %rbx,%rdi 2e: e8 9e 93 1e 00 call 0x1e93d1 33: 8b 1b mov (%rbx),%ebx 35: 49 8d 7e 10 lea 0x10(%r14),%rdi 39: 48 89 f8 mov %rdi,%rax 3c: 48 rex.W 3d: c1 .byte 0xc1 3e: e8 .byte 0xe8