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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 11722 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 11722 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 53 bc 61 05 01 4c 8b 74 24 28 4c 89 f7 e8 52 47 e4 ff 48 c7 c7 c0 2a 02 8b 4c 89 f6 48 89 c2 44 89 e1 e8 3d 69 aa 01 <0f> 0b e9 31 fe ff ff e8 51 8d 83 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0000:ffffc90000dd0b08 EFLAGS: 00010246
RAX: e21843be11c05d00 RBX: dffffc0000000000 RCX: ffff88807a760000
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff8880229d6468 R08: dffffc0000000000 R09: fffff520001ba0c5
R10: fffff520001ba0c5 R11: 1ffff920001ba0c4 R12: 0000000000000000
R13: ffff88807d79e540 R14: ffff88807d79e000 R15: dffffc0000000000
FS:  000055556d046480(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e798b16c8 CR3: 0000000074492000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80 kernel/kcov.c:301
Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d c4 9f 8a 7e 65 8b 15 c5 9f 8a 7e 81 e2 00
RSP: 0000:ffffc900032dfcb8 EFLAGS: 00000246
RAX: 000ffffffffff000 RBX: 00007f6e798b1000 RCX: ffff88807a760000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900032dfe70 R08: dffffc0000000000 R09: ffffc900032dfda4
R10: fffff5200065bfbd R11: 1ffff9200065bfb4 R12: 000fffffffe00000
R13: dffffc0000000000 R14: 00000000275fa067 R15: 000ffffffffff000
 pmd_pfn_mask arch/x86/include/asm/pgtable_types.h:443 [inline]
 pmd_page_vaddr arch/x86/include/asm/pgtable.h:800 [inline]
 pte_offset_kernel include/linux/pgtable.h:91 [inline]
 handle_pte_fault mm/memory.c:4628 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x10ac/0x43b0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f6e78c21caf
Code: 25 09 00 31 c0 e8 f1 18 ff ff 90 41 57 41 56 41 55 41 54 55 53 48 81 ec f8 01 00 00 e8 4a dd ff ff 48 8b 05 23 fa c8 00 31 ff <48> 89 05 12 fa c8 00 e8 35 15 ff ff e8 10 16 ff ff 4c 8b 25 b9 7c
RSP: 002b:00007ffcfcfa3350 EFLAGS: 00010246
RAX: 0000001b2db20000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	28 4d 39             	sub    %cl,0x39(%rbp)
   3:	ca 77 22             	lret   $0x2277
   6:	89 ff                	mov    %edi,%edi
   8:	89 f6                	mov    %esi,%esi
   a:	4a c7 44 02 08 05 00 	movq   $0x5,0x8(%rdx,%r8,1)
  11:	00 00
  13:	4a 89 7c 02 10       	mov    %rdi,0x10(%rdx,%r8,1)
  18:	4a 89 74 02 18       	mov    %rsi,0x18(%rdx,%r8,1)
  1d:	4a 89 44 02 20       	mov    %rax,0x20(%rdx,%r8,1)
  22:	48 ff c1             	inc    %rcx
  25:	48 89 0a             	mov    %rcx,(%rdx)
  28:	c3                   	ret
  29:	90                   	nop
* 2a:	48 8b 04 24          	mov    (%rsp),%rax <-- trapping instruction
  2e:	65 48 8b 0d c4 9f 8a 	mov    %gs:0x7e8a9fc4(%rip),%rcx        # 0x7e8a9ffa
  35:	7e
  36:	65 8b 15 c5 9f 8a 7e 	mov    %gs:0x7e8a9fc5(%rip),%edx        # 0x7e8aa002
  3d:	81                   	.byte 0x81
  3e:	e2 00                	loop   0x40