------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 0 PID: 7424 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Modules linked in: CPU: 0 PID: 7424 Comm: syz-executor.2 Not tainted 5.15.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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: 37a7f8b5698d1200 RBX: ffff88805a0fa000 RCX: ffff88801b22bb80 RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 00000000ffffe101 R08: ffffffff8166860c R09: fffffbfff1f7ee31 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88805a0fa448 R13: ffff88805a0fa440 R14: ffff88805a0fa540 R15: ffff88805a0fa460 FS: 00007f12f5ae46c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd2d402c94 CR3: 000000007e01e000 CR4: 00000000003526f0 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:console_unlock+0xe53/0x12b0 kernel/printk/printk.c:2749 Code: 00 48 83 7c 24 18 00 75 19 e8 79 03 1a 00 eb 18 e8 72 03 1a 00 e8 5d 74 b7 08 48 83 7c 24 18 00 74 e7 e8 60 03 1a 00 fb 31 ff <44> 89 f6 e8 b5 06 1a 00 31 db 45 85 f6 0f 95 c0 89 c1 0a 4c 24 17 RSP: 0018:ffffc90002fc74e0 EFLAGS: 00000246 RAX: ffffffff81665960 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90005cc9000 RSI: 00000000000179d6 RDI: 0000000000000000 RBP: ffffc90002fc7770 R08: ffffffff8166592b R09: fffffbfff1f7ee19 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1a4b172 R13: ffffffff8d258bc8 R14: 0000000000000000 R15: dffffc0000000000 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2274 _printk+0xd1/0x120 kernel/printk/printk.c:2299 __ext4_msg+0x1fc/0x210 fs/ext4/super.c:916 ext4_fill_super+0x9d24/0xa110 fs/ext4/super.c:5009 mount_bdev+0x2c9/0x3f0 fs/super.c:1387 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1517 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 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: 0033:0x7f12f75733aa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f12f5ae3ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f12f5ae3f80 RCX: 00007f12f75733aa RDX: 00000000200000c0 RSI: 0000000020000040 RDI: 00007f12f5ae3f40 RBP: 00000000200000c0 R08: 00007f12f5ae3f80 R09: 0000000000000011 R10: 0000000000000011 R11: 0000000000000202 R12: 0000000020000040 R13: 00007f12f5ae3f40 R14: 00000000000005fa R15: 0000000020000180 ---------------- Code disassembly (best guess): 0: 00 48 83 add %cl,-0x7d(%rax) 3: 7c 24 jl 0x29 5: 18 00 sbb %al,(%rax) 7: 75 19 jne 0x22 9: e8 79 03 1a 00 call 0x1a0387 e: eb 18 jmp 0x28 10: e8 72 03 1a 00 call 0x1a0387 15: e8 5d 74 b7 08 call 0x8b77477 1a: 48 83 7c 24 18 00 cmpq $0x0,0x18(%rsp) 20: 74 e7 je 0x9 22: e8 60 03 1a 00 call 0x1a0387 27: fb sti 28: 31 ff xor %edi,%edi * 2a: 44 89 f6 mov %r14d,%esi <-- trapping instruction 2d: e8 b5 06 1a 00 call 0x1a06e7 32: 31 db xor %ebx,%ebx 34: 45 85 f6 test %r14d,%r14d 37: 0f 95 c0 setne %al 3a: 89 c1 mov %eax,%ecx 3c: 0a 4c 24 17 or 0x17(%rsp),%cl