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WARNING: CPU: 0 PID: 23675 at kernel/workqueue.c:2322 __queue_work+0xc6a/0xec0 kernel/workqueue.c:2321
Modules linked in:
CPU: 0 PID: 23675 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__queue_work+0xc6a/0xec0 kernel/workqueue.c:2321
Code: ff e8 3a e0 35 00 eb 21 e8 33 e0 35 00 eb 1a e8 2c e0 35 00 eb 13 e8 25 e0 35 00 90 0f 0b 90 e9 74 fd ff ff e8 17 e0 35 00 90 <0f> 0b 90 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90000007b20 EFLAGS: 00010046
RAX: ffffffff815f1036 RBX: 0000000000000100 RCX: ffff888022b21e00
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815f04d7 R09: 1ffffffff1f0d5cd
R10: dffffc0000000000 R11: ffffffff815f1740 R12: dffffc0000000000
R13: ffff88807de971c0 R14: ffff88807de97000 R15: 0000000000000008
FS: 000055556500a480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6780b08e5 CR3: 0000000046804000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1838 [inline]
__run_timers kernel/time/timer.c:2408 [inline]
__run_timer_base+0x695/0x8e0 kernel/time/timer.c:2419
run_timer_base kernel/time/timer.c:2428 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__should_failslab+0x51/0xf0 mm/failslab.c:28
Code: 3c 20 00 74 0c 48 c7 c7 48 40 51 94 e8 08 74 ff ff f7 c3 00 80 00 00 75 3e 4c 39 35 91 7f 58 12 74 35 f7 c3 00 04 00 00 74 09 <80> 3d 38 c6 2a 0c 00 75 24 80 3d 30 c6 2a 0c 00 74 29 4d 8d 7e 08
RSP: 0018:ffffc900033f7a58 EFLAGS: 00000206
RAX: 1ffffffff28a2809 RBX: 0000000000000d40 RCX: ffff888022b21e00
RDX: dffffc0000000000 RSI: 0000000000000d40 RDI: ffff888014c41500
RBP: 0000000000000000 R08: ffffffff8f86ae6f R09: 1ffffffff1f0d5cd
R10: dffffc0000000000 R11: fffffbfff1f0d5ce R12: dffffc0000000000
R13: ffff888014c41500 R14: ffff888014c41500 R15: 000000000000001a
should_failslab+0x9/0x20 mm/slub.c:3747
slab_pre_alloc_hook mm/slub.c:3763 [inline]
slab_alloc_node mm/slub.c:3842 [inline]
__do_kmalloc_node mm/slub.c:3980 [inline]
__kmalloc+0xe6/0x4a0 mm/slub.c:3994
kmalloc include/linux/slab.h:594 [inline]
kzalloc include/linux/slab.h:711 [inline]
tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x23a/0x880 security/tomoyo/file.c:723
security_file_ioctl+0x75/0xb0 security/security.c:2726
__do_sys_ioctl fs/ioctl.c:898 [inline]
__se_sys_ioctl+0x47/0x170 fs/ioctl.c:890
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fedf5e7db0b
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:00007ffccc85fa30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fedf5e7db0b
RDX: 00007ffccc85fa90 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffccc85fa90 R08: 000000000000000a R09: 00007ffccc85fac2
R10: 00007ffccc85fec6 R11: 0000000000000246 R12: 00007ffccc85fb10
R13: 00007fedf5ec9dad R14: 00007fedf6ad4620 R15: 00007fedf5ec9dad
----------------
Code disassembly (best guess):
0: 3c 20 cmp $0x20,%al
2: 00 74 0c 48 add %dh,0x48(%rsp,%rcx,1)
6: c7 c7 48 40 51 94 mov $0x94514048,%edi
c: e8 08 74 ff ff call 0xffff7419
11: f7 c3 00 80 00 00 test $0x8000,%ebx
17: 75 3e jne 0x57
19: 4c 39 35 91 7f 58 12 cmp %r14,0x12587f91(%rip) # 0x12587fb1
20: 74 35 je 0x57
22: f7 c3 00 04 00 00 test $0x400,%ebx
28: 74 09 je 0x33
* 2a: 80 3d 38 c6 2a 0c 00 cmpb $0x0,0xc2ac638(%rip) # 0xc2ac669 <-- trapping instruction
31: 75 24 jne 0x57
33: 80 3d 30 c6 2a 0c 00 cmpb $0x0,0xc2ac630(%rip) # 0xc2ac66a
3a: 74 29 je 0x65
3c: 4d 8d 7e 08 lea 0x8(%r14),%r15