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WARNING: CPU: 0 PID: 10953 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 10953 Comm: syz.2.1408 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 1f 9f 99 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 fb 36 00 85 db 75 60 e8 27 f9 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 f9 36 00 90 0f 0b 90 e9 7e f6 ff ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81631bd1
RDX: ffff888050fea440 RSI: ffffffff81631c29 RDI: 0000000000000005
RBP: ffff8880289d4930 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000004 R12: 1ffff92000000f8f
R13: 0000000000000001 R14: 0000000080000101 R15: ffff8880335a7800
FS: 00007f671caea6c0(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ff3000 CR3: 000000002c6c2000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000097 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1793
expire_timers kernel/time/timer.c:1839 [inline]
__run_timers+0x56a/0x930 kernel/time/timer.c:2418
__run_timer_base kernel/time/timer.c:2430 [inline]
__run_timer_base kernel/time/timer.c:2422 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2439
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 46 92 4a f6 48 89 df e8 8e 11 4b f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 85 f6 3b f6 65 8b 05 a6 b2 d7 74 85 c0 74 16 5b
RSP: 0018:ffffc900061af770 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffffff8e1c7300 RCX: 1ffffffff2dcce7e
RDX: 0000000000000000 RSI: ffffffff8b6cd860 RDI: ffffffff8bd1eba0
RBP: 0000000000000292 R08: 0000000000000001 R09: fffffbfff2dca19f
R10: ffffffff96e50cff R11: 00000000000004b5 R12: 0000000000000246
R13: 0000000000000200 R14: ffff8880538178b8 R15: fff0000000000fff
rcu_read_unlock_special kernel/rcu/tree_plugin.h:692 [inline]
__rcu_read_unlock+0x2b4/0x580 kernel/rcu/tree_plugin.h:437
rcu_read_unlock include/linux/rcupdate.h:882 [inline]
pte_unmap include/linux/pgtable.h:136 [inline]
handle_pte_fault mm/memory.c:5795 [inline]
__handle_mm_fault+0x1019/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:fault_in_readable+0x160/0x200 mm/gup.c:2244
Code: 42 e8 45 31 f6 e8 30 17 b9 ff 48 39 eb 75 13 eb 2e e8 24 17 b9 ff 48 81 c3 00 10 00 00 48 39 eb 74 1d e8 13 17 b9 ff 45 89 f7 <8a> 03 31 ff 44 89 fe 88 44 24 28 e8 40 19 b9 ff 45 85 ff 74 d2 e8
RSP: 0018:ffffc900061afb18 EFLAGS: 00050246
RAX: 0000000000080000 RBX: 0000000020ff3000 RCX: ffffc9000d434000
RDX: 0000000000080000 RSI: ffffffff81e0fe3d RDI: 0000000000000005
RBP: 0000000020ff4000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000001000
R13: 0000000020ff20c0 R14: 0000000000000000 R15: 0000000000000000
fault_in_iov_iter_readable+0x101/0x2c0 lib/iov_iter.c:94
generic_perform_write+0x21b/0x920 mm/filemap.c:4045
shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3293
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:679
ksys_write+0x12b/0x250 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f671bd85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f671caea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f671bf75fa0 RCX: 00007f671bd85d29
RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000008
RBP: 00007f671be01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f671bf75fa0 R15: 00007ffe067600f8
----------------
Code disassembly (best guess):
0: f5 cmc
1: 53 push %rbx
2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
7: 48 89 fb mov %rdi,%rbx
a: 48 83 c7 18 add $0x18,%rdi
e: e8 46 92 4a f6 call 0xf64a9259
13: 48 89 df mov %rbx,%rdi
16: e8 8e 11 4b f6 call 0xf64b11a9
1b: f7 c5 00 02 00 00 test $0x200,%ebp
21: 75 23 jne 0x46
23: 9c pushf
24: 58 pop %rax
25: f6 c4 02 test $0x2,%ah
28: 75 37 jne 0x61
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 85 f6 3b f6 call 0xf63bf6b9
34: 65 8b 05 a6 b2 d7 74 mov %gs:0x74d7b2a6(%rip),%eax # 0x74d7b2e1
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx