------------[ cut here ]------------ WARNING: CPU: 0 PID: 3653 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90 Modules linked in: CPU: 0 PID: 3653 Comm: syz-executor.3 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441 Code: 8b 3c 24 e8 c6 9c 88 00 e9 d9 fc ff ff e8 4c 1d 31 00 89 ee 48 c7 c7 00 96 fd 8c e8 ce 17 0a 03 e9 1e fc ff ff e8 34 1d 31 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 1d 31 00 RSP: 0018:ffffc90000007af8 EFLAGS: 00010046 RAX: ffffffff8159701c RBX: 00000000000b0012 RCX: ffff888076d53b80 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff815a5dc5 R09: fffffbfff1ce712e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88807c0f6800 FS: 00007fbae15cb6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffebfed7f00 CR3: 000000005523d000 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: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 __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:__sanitizer_cov_trace_pc+0x58/0x60 kernel/kcov.c:225 Code: f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 15 84 e1 77 7e 65 8b RSP: 0018:ffffc9000488f660 EFLAGS: 00000283 RAX: ffffffff81dba86e RBX: 00fff6000008001f RCX: 0000000000040000 RDX: ffffc90005661000 RSI: 000000000001f8eb RDI: 000000000001f8ec RBP: 0000000000000000 R08: ffffffff81dba864 R09: fffff940002a4281 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd40002a4280 R13: 0000000000000000 R14: ffffea0001521400 R15: dffffc0000000000 PageHead include/linux/page-flags.h:794 [inline] PageHeadHuge+0x8e/0x1c0 mm/hugetlb.c:2122 folio_test_hugetlb include/linux/page-flags.h:837 [inline] folio_contains+0x1e/0x580 include/linux/pagemap.h:734 find_lock_entries+0x7da/0xda0 mm/filemap.c:2106 shmem_undo_range+0x294/0x2390 mm/shmem.c:925 shmem_truncate_range mm/shmem.c:1062 [inline] shmem_evict_inode+0x265/0xa60 mm/shmem.c:1171 evict+0x2a4/0x620 fs/inode.c:666 __dentry_kill+0x436/0x650 fs/dcache.c:607 dentry_kill+0xbb/0x290 dput+0xfb/0x1d0 fs/dcache.c:914 __fput+0x5e4/0x890 fs/file_table.c:328 task_work_run+0x246/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fbae087cc0b 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:00007fbae15caea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: ffffffffffffffff RCX: 00007fbae087cc0b RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000840 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fbae15caf40 R14: 000000000000968d R15: 00000000200000c0 ---------------- Code disassembly (best guess): 0: f8 clc 1: 15 00 00 83 fa adc $0xfa830000,%eax 6: 02 75 21 add 0x21(%rbp),%dh 9: 48 8b 91 00 16 00 00 mov 0x1600(%rcx),%rdx 10: 48 8b 32 mov (%rdx),%rsi 13: 48 8d 7e 01 lea 0x1(%rsi),%rdi 17: 8b 89 fc 15 00 00 mov 0x15fc(%rcx),%ecx 1d: 48 39 cf cmp %rcx,%rdi 20: 73 08 jae 0x2a 22: 48 89 3a mov %rdi,(%rdx) 25: 48 89 44 f2 08 mov %rax,0x8(%rdx,%rsi,8) * 2a: c3 ret <-- trapping instruction 2b: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 32: 4c 8b 04 24 mov (%rsp),%r8 36: 65 48 8b 15 84 e1 77 mov %gs:0x7e77e184(%rip),%rdx # 0x7e77e1c2 3d: 7e 3e: 65 gs 3f: 8b .byte 0x8b