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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 11 04 62 05 01 4c 8b 74 24 28 4c 89 f7 e8 22 4c e4 ff 48 c7 c7 c0 a8 01 8b 4c 89 f6 48 89 c2 44 89 e1 e8 5d 3c aa 01 <0f> 0b e9 31 fe ff ff e8 81 df 83 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0018:ffffc90000007b08 EFLAGS: 00010246
RAX: f2f43381a6ad0800 RBX: dffffc0000000000 RCX: ffffffff8bebc3c0
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffff88801edbb068 R08: dffffc0000000000 R09: fffff52000000ec5
R10: fffff52000000ec5 R11: 1ffff92000000ec4 R12: 0000000000000000
R13: ffff88807d012540 R14: ffff88807d012000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000005c0 CR3: 000000001e9f6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:730
Code: bf 48 89 df e8 86 f5 09 f8 eb b5 e8 3f b0 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d f7 83 53 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
RSP: 0018:ffffffff8be07dc8 EFLAGS: 000002c6
RAX: f2f43381a6ad0800 RBX: ffffffff8bebc3c0 RCX: f2f43381a6ad0800
RDX: 0000000000000001 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: ffffffff8be07ef8 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8d6991e8
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff17d7878
default_idle_call+0x81/0xc0 kernel/sched/idle.c:112
cpuidle_idle_call kernel/sched/idle.c:194 [inline]
do_idle+0x21b/0x5b0 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x486/0x530 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
----------------
Code disassembly (best guess):
0: bf 48 89 df e8 mov $0xe8df8948,%edi
5: 86 f5 xchg %dh,%ch
7: 09 f8 or %edi,%eax
9: eb b5 jmp 0xffffffc0
b: e8 3f b0 f6 ff call 0xfff6b04f
10: 00 00 add %al,(%rax)
12: cc int3
13: cc int3
14: 00 00 add %al,(%rax)
16: cc int3
17: cc int3
18: 00 00 add %al,(%rax)
1a: cc int3
1b: cc int3
1c: 00 00 add %al,(%rax)
1e: cc int3
1f: 66 90 xchg %ax,%ax
21: 0f 00 2d f7 83 53 00 verw 0x5383f7(%rip) # 0x53841f
28: fb sti
29: f4 hlt
* 2a: c3 ret <-- trapping instruction
2b: 0f 1f 40 00 nopl 0x0(%rax)
2f: 41 57 push %r15
31: 41 56 push %r14
33: 53 push %rbx
34: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
3b: fc ff df
3e: 65 gs
3f: 48 rex.W