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WARNING: CPU: 0 PID: 26356 at kernel/workqueue.c:1441 __queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Modules linked in:
CPU: 0 PID: 26356 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Code: e9 9d fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c c7 fc ff ff 48 8b 3c 24 e8 dd d2 7d 00 e9 b9 fc ff ff e8 93 a1 2d 00 <0f> 0b 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7d a1 2d 00
RSP: 0018:ffffc90000007ae8 EFLAGS: 00010046
RAX: ffffffff81533e3d RBX: 0000000000010000 RCX: ffff88802f535940
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bfe1c6
R10: fffffbfff1bfe1c6 R11: 1ffffffff1bfe1c5 R12: ffff888077755000
R13: ffff8880777551c0 R14: 0000000000000008 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06ac517d60 CR3: 0000000079355000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1701
expire_timers kernel/time/timer.c:1747 [inline]
__run_timers+0x554/0x7d0 kernel/time/timer.c:2023
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:72 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:folio_memcg_lock+0x18b/0x2e0 mm/memcontrol.c:2116
Code: 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 f6 44 24 61 02 0f 85 85 00 00 00 41 f7 c5 00 02 00 00 74 01 fb 4d 8d a7 40 09 00 00 <4c> 89 e7 be 04 00 00 00 e8 c8 8a f9 ff 4c 89 e0 48 c1 e8 03 48 b9
RSP: 0018:ffffc90004b9f340 EFLAGS: 00000206
RAX: d362e8d1cfbd7d00 RBX: ffffea00013d7e80 RCX: d362e8d1cfbd7d00
RDX: dffffc0000000000 RSI: ffffffff8a6c0600 RDI: ffffffff8abef920
RBP: ffffc90004b9f418 R08: dffffc0000000000 R09: fffffbfff2119049
R10: fffffbfff2119049 R11: 1ffffffff2119048 R12: ffff88813ff78940
R13: 0000000000000286 R14: ffffffff81d786d5 R15: ffff88813ff78000
page_remove_rmap+0x2e/0xea0 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+0x1149/0x2500 mm/memory.c:1645
unmap_vmas+0x22c/0x330 mm/memory.c:1730
exit_mmap+0x1cc/0x8e0 mm/mmap.c:3250
__mmput+0x118/0x3c0 kernel/fork.c:1200
exit_mm+0x1e6/0x2c0 kernel/exit.c:565
do_exit+0x8c1/0x2400 kernel/exit.c:867
do_group_exit+0x217/0x2d0 kernel/exit.c:1022
get_signal+0x1272/0x1350 kernel/signal.c:2871
arch_do_signal_or_restart+0xb7/0x1240 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fefc7f85853
Code: Unable to access opcode bytes at 0x7fefc7f85829.
RSP: 002b:00007ffee1528df8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000066f8 RCX: 00007fefc7f85853
RDX: 0000000040000000 RSI: 00007ffee1528e0c RDI: 00000000ffffffff
RBP: 00007ffee1528e0c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffee15290f8 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 48 c7 44 24 60 00 00 movq $0x0,0x60(%rsp)
7: 00 00
9: 9c pushf
a: 8f 44 24 60 pop 0x60(%rsp)
e: f6 44 24 61 02 testb $0x2,0x61(%rsp)
13: 0f 85 85 00 00 00 jne 0x9e
19: 41 f7 c5 00 02 00 00 test $0x200,%r13d
20: 74 01 je 0x23
22: fb sti
23: 4d 8d a7 40 09 00 00 lea 0x940(%r15),%r12
* 2a: 4c 89 e7 mov %r12,%rdi <-- trapping instruction
2d: be 04 00 00 00 mov $0x4,%esi
32: e8 c8 8a f9 ff call 0xfff98aff
37: 4c 89 e0 mov %r12,%rax
3a: 48 c1 e8 03 shr $0x3,%rax
3e: 48 rex.W
3f: b9 .byte 0xb9