------------[ cut here ]------------ WARNING: CPU: 1 PID: 5196 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90 Modules linked in: CPU: 1 PID: 5196 Comm: dhcpcd-run-hook Not tainted 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441 Code: 8b 3c 24 e8 a6 a0 88 00 e9 d9 fc ff ff e8 6c 1e 31 00 89 ee 48 c7 c7 80 99 1d 8d e8 1e 6c 0b 03 e9 1e fc ff ff e8 54 1e 31 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3e 1e 31 00 RSP: 0018:ffffc900001e0af8 EFLAGS: 00010046 RAX: ffffffff815990ec RBX: 00000000000b0012 RCX: ffff88801bb73b80 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff815a7e95 R09: fffffbfff1d33f2e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000008 R15: ffff888058576000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005567b0b8f000 CR3: 00000000635de000 CR4: 00000000003506e0 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 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 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:lock_acquire+0x26f/0x5a0 kernel/locking/lockdep.c:5666 Code: 2b 00 74 08 4c 89 f7 e8 3f ac 77 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc900032cf100 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000659e2c RCX: 1ffff92000659dcc RDX: dffffc0000000000 RSI: ffffffff8b0c14c0 RDI: ffffffff8b5d7180 RBP: ffffc900032cf248 R08: dffffc0000000000 R09: fffffbfff223ba45 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000659e28 R13: dffffc0000000000 R14: ffffc900032cf160 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock include/linux/rcupdate.h:791 [inline] folio_memcg_lock+0xa6/0x380 mm/memcontrol.c:2098 page_remove_rmap+0x2e/0xed0 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+0x1217/0x2740 mm/memory.c:1645 unmap_vmas+0x48b/0x640 mm/memory.c:1730 exit_mmap+0x252/0x9f0 mm/mmap.c:3227 __mmput+0x115/0x3c0 kernel/fork.c:1199 exec_mmap+0x4fa/0x5b0 fs/exec.c:1042 begin_new_exec+0xaf9/0x1dd0 fs/exec.c:1301 load_elf_binary+0x955/0x2720 fs/binfmt_elf.c:1002 search_binary_handler fs/exec.c:1743 [inline] exec_binprm fs/exec.c:1784 [inline] bprm_execve+0x96a/0x18a0 fs/exec.c:1853 do_execveat_common+0x580/0x720 fs/exec.c:1958 do_execve fs/exec.c:2032 [inline] __do_sys_execve fs/exec.c:2108 [inline] __se_sys_execve fs/exec.c:2103 [inline] __x64_sys_execve+0x8e/0xa0 fs/exec.c:2103 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: 0033:0x7f0a37e34ef7 Code: Unable to access opcode bytes at 0x7f0a37e34ecd. RSP: 002b:00007fff82fae218 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00005567b0b8ef58 RCX: 00007f0a37e34ef7 RDX: 00005567b0b8ef78 RSI: 00005567b0b8ef58 RDI: 00005567b0b8f000 RBP: 00005567b0b8f000 R08: 00005567b0b8f005 R09: 00007fff82fb1eb9 R10: 0000000000000008 R11: 0000000000000246 R12: 00005567b0b8ef78 R13: 00007f0a37fe2904 R14: 00005567b0b8ef78 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 2b 00 sub (%rax),%eax 2: 74 08 je 0xc 4: 4c 89 f7 mov %r14,%rdi 7: e8 3f ac 77 00 call 0x77ac4b c: f6 44 24 61 02 testb $0x2,0x61(%rsp) 11: 0f 85 84 01 00 00 jne 0x19b 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1) 3a: 00 00 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 25 .byte 0x25