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NETDEV WATCHDOG: lec0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 4533 at net/sched/sch_generic.c:481 dev_watchdog+0x85d/0xa40 net/sched/sch_generic.c:480
Modules linked in:
CPU: 1 PID: 4533 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:dev_watchdog+0x85d/0xa40 net/sched/sch_generic.c:480
Code: f6 71 05 01 48 8b 5c 24 20 48 89 df e8 9c d6 e3 ff 48 c7 c7 80 53 22 8b 48 89 de 48 8b 1c 24 48 89 c2 44 89 e1 e8 d3 d8 b0 01 <0f> 0b e9 51 fe ff ff e8 97 a3 73 f9 0f 0b e9 33 fe ff ff 89 d9 80
RSP: 0018:ffffc90000dd0af0 EFLAGS: 00010246
RAX: 3be3a51422c28e00 RBX: ffff88807a75c448 RCX: ffff888024d70000
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90000dd0627 R09: 1ffff920001ba0c4
R10: dffffc0000000000 R11: fffff520001ba0c5 R12: 0000000000000000
R13: ffff88807a75c540 R14: 0000000000000000 R15: dffffc0000000000
FS: 000055556ff79500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2602b216c8 CR3: 000000001f29e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 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:pte_none arch/x86/include/asm/pgtable.h:727 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1055 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1167 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1204 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1228 [inline]
RIP: 0010:copy_page_range+0x1185/0x32c0 mm/memory.c:1301
Code: 89 e8 48 c1 e8 03 48 89 84 24 88 00 00 00 42 80 3c 38 00 74 08 4c 89 f7 e8 48 f1 10 00 4c 89 74 24 38 48 8b 44 24 48 4c 8b 30 <4c> 89 f6 48 83 e6 9f 31 ff e8 4d c1 cb ff 4c 89 f0 48 83 e0 9f 0f
RSP: 0018:ffffc90002d9f6c0 EFLAGS: 00000246
RAX: ffff888074433c80 RBX: 00007f2601790000 RCX: ffff888024d70000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000100
RBP: ffffc90002d9f970 R08: ffff888065df6843 R09: 1ffff1100cbbed08
R10: dffffc0000000000 R11: ffffed100cbbed09 R12: ffff88807e9a0158
R13: ffff888074433c80 R14: 8000000078fc0007 R15: dffffc0000000000
dup_mmap kernel/fork.c:616 [inline]
dup_mm kernel/fork.c:1472 [inline]
copy_mm+0xc61/0x13d0 kernel/fork.c:1524
copy_process+0x17a7/0x3e70 kernel/fork.c:2292
kernel_clone+0x23f/0x990 kernel/fork.c:2682
__do_sys_clone kernel/fork.c:2799 [inline]
__se_sys_clone kernel/fork.c:2783 [inline]
__x64_sys_clone+0x19a/0x210 kernel/fork.c:2783
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2601d92bd2
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007fff61930500 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fff61930500 RCX: 00007f2601d92bd2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fff6193068c R08: 0000000000000000 R09: 0000000000000001
R10: 000055556ff797d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 000000000002015b R15: 00007fff619306e0
----------------
Code disassembly (best guess):
0: 89 e8 mov %ebp,%eax
2: 48 c1 e8 03 shr $0x3,%rax
6: 48 89 84 24 88 00 00 mov %rax,0x88(%rsp)
d: 00
e: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
13: 74 08 je 0x1d
15: 4c 89 f7 mov %r14,%rdi
18: e8 48 f1 10 00 call 0x10f165
1d: 4c 89 74 24 38 mov %r14,0x38(%rsp)
22: 48 8b 44 24 48 mov 0x48(%rsp),%rax
27: 4c 8b 30 mov (%rax),%r14
* 2a: 4c 89 f6 mov %r14,%rsi <-- trapping instruction
2d: 48 83 e6 9f and $0xffffffffffffff9f,%rsi
31: 31 ff xor %edi,%edi
33: e8 4d c1 cb ff call 0xffcbc185
38: 4c 89 f0 mov %r14,%rax
3b: 48 83 e0 9f and $0xffffffffffffff9f,%rax
3f: 0f .byte 0xf