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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 0 PID: 17428 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Modules linked in:
CPU: 0 PID: 17428 Comm: syz-executor.3 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Code: ee f8 c6 05 3b dc c2 05 01 48 8b 1c 24 48 89 df e8 75 65 e5 ff 48 c7 c7 40 99 e3 8b 48 89 de 48 89 c2 44 89 f1 e8 40 0c b6 f8 <0f> 0b e9 8b fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c1 fb ff
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc90000007b00 EFLAGS: 00010246
RAX: a33de58523521900 RBX: ffff8880794f2000 RCX: ffff8880157a5940
RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000100040200 R08: ffffffff81527d8e R09: fffff52000000ec1
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f29e489
R13: 000000010003fdd1 R14: 0000000000000000 R15: 0000000000000110
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1121da8000 CR3: 0000000057868000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1790
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:lock_acquire+0x26f/0x5a0 kernel/locking/lockdep.c:5666
Code: 2b 00 74 08 4c 89 f7 e8 cf 9a 77 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc900052c7080 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000a58e1c RCX: 1ffff92000a58dbc
RDX: dffffc0000000000 RSI: ffffffff8aebfe40 RDI: ffffffff8b3d0dc0
RBP: ffffc900052c71c8 R08: dffffc0000000000 R09: fffffbfff2092245
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000a58e18
R13: dffffc0000000000 R14: ffffc900052c70e0 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:318 [inline]
rcu_read_lock include/linux/rcupdate.h:759 [inline]
folio_memcg_lock+0xa6/0x380 mm/memcontrol.c:2098
page_remove_rmap+0x2e/0xed0 mm/rmap.c:1426
zap_pte_range mm/memory.c:1453 [inline]
zap_pmd_range mm/memory.c:1574 [inline]
zap_pud_range mm/memory.c:1603 [inline]
zap_p4d_range mm/memory.c:1624 [inline]
unmap_page_range+0x1217/0x2740 mm/memory.c:1645
unmap_vmas+0x48b/0x640 mm/memory.c:1730
exit_mmap+0x252/0x9f0 mm/mmap.c:3227
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:563
do_exit+0x9f6/0x26a0 kernel/exit.c:856
do_group_exit+0x202/0x2b0 kernel/exit.c:1019
get_signal+0x16f7/0x17d0 kernel/signal.c:2862
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1121c7dda9
Code: Unable to access opcode bytes at 0x7f1121c7dd7f.
RSP: 002b:00007f1122ac3178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f1121dabf88 RCX: 00007f1121c7dda9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f1121dabf8c
RBP: 00007f1121dabf80 R08: 0000000000000010 R09: 00007f1122ac36c0
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f1121dabf8c
R13: 000000000000000b R14: 00007ffd04f26790 R15: 00007ffd04f26878
----------------
Code disassembly (best guess):
0: 2b 00 sub (%rax),%eax
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 cf 9a 77 00 call 0x779adb
c: f6 44 24 61 02 testb $0x2,0x61(%rsp)
11: 0f 85 84 01 00 00 jne 0x19b
17: 41 f7 c7 00 02 00 00 test $0x200,%r15d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1)
3a: 00 00
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 25 .byte 0x25