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WARNING: CPU: 0 PID: 6848 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90
Modules linked in:
CPU: 0 PID: 6848 Comm: syz-executor Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441
Code: 8b 3c 24 e8 66 55 88 00 e9 d9 fc ff ff e8 2c f4 30 00 89 ee 48 c7 c7 a0 c5 1d 8d e8 5e 42 15 03 e9 1e fc ff ff e8 14 f4 30 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 fe f3 30 00
RSP: 0018:ffffc90000007af8 EFLAGS: 00010046
RAX: ffffffff8159b5ac RBX: 00000000000b0012 RCX: ffff88801a318000
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815aa245 R09: fffffbfff1d4168e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff888078099800
FS: 0000555562395500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1c1ba6038 CR3: 0000000079f8b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
expire_timers kernel/time/timer.c:1544 [inline]
__run_timers+0x6a8/0x890 kernel/time/timer.c:1820
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:661
irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
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:unwind_next_frame+0x18c6/0x2220 arch/x86/kernel/unwind_orc.c:605
Code: 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 96 08 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 a2 08 00 00 48 0f bf 03 <48> 8b 74 24 08 48 01 c6 49 8d 54 24 40 4c 89 e7 e8 45 09 00 00 84
RSP: 0018:ffffc90003237500 EFLAGS: 00000246
RAX: fffffffffffffff0 RBX: ffffffff8f209b64 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000001 RDI: ffffc90003237640
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffc90003237630
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900032375e0
R13: ffffffff8f209b66 R14: ffffffff8f209b65 R15: ffffc90003237630
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:127
__set_page_owner+0x1a/0x60 mm/page_owner.c:190
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2532
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4328
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5606
vm_area_alloc_pages mm/vmalloc.c:2994 [inline]
__vmalloc_area_node mm/vmalloc.c:3063 [inline]
__vmalloc_node_range+0x9b3/0x14b0 mm/vmalloc.c:3235
vmalloc_user+0x70/0x80 mm/vmalloc.c:3389
kcov_ioctl+0x55/0x630 kernel/kcov.c:713
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd1c198cd6b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fff8d30ba90 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000080000 RCX: 00007fd1c198cd6b
RDX: 0000000000080000 RSI: ffffffff80086301 RDI: 00000000000000dc
RBP: 00007fd1c1ba63b8 R08: 00000000000000da R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 48 89 d8 mov %rbx,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax
b: 84 c0 test %al,%al
d: 0f 85 96 08 00 00 jne 0x8a9
13: 4c 89 f0 mov %r14,%rax
16: 48 c1 e8 03 shr $0x3,%rax
1a: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax
1e: 84 c0 test %al,%al
20: 0f 85 a2 08 00 00 jne 0x8c8
26: 48 0f bf 03 movswq (%rbx),%rax
* 2a: 48 8b 74 24 08 mov 0x8(%rsp),%rsi <-- trapping instruction
2f: 48 01 c6 add %rax,%rsi
32: 49 8d 54 24 40 lea 0x40(%r12),%rdx
37: 4c 89 e7 mov %r12,%rdi
3a: e8 45 09 00 00 call 0x984
3f: 84 .byte 0x84