------------[ cut here ]------------ WARNING: CPU: 1 PID: 13122 at kernel/workqueue.c:1635 __queue_work+0xd44/0x1120 kernel/workqueue.c:1634 Modules linked in: CPU: 1 PID: 13122 Comm: dhcpcd-run-hook Not tainted 6.4.0-syzkaller-11989-g6843306689af #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:__queue_work+0xd44/0x1120 kernel/workqueue.c:1634 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 84 3d 84 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 35 09 31 00 85 db 75 42 e8 0c 0d 31 00 <0f> 0b e9 3c f9 ff ff e8 00 0d 31 00 0f 0b e9 ce f8 ff ff e8 f4 0c RSP: 0018:ffffc900001e0cc8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100 RDX: ffff88807e505940 RSI: ffffffff8153d264 RDI: 0000000000000005 RBP: ffffc900001e0d80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: ffff888068820bc0 R13: 1ffff9200003c1aa R14: ffffffff81542650 R15: ffff888067a6d800 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd7b506528 CR3: 000000000c775000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0xbc/0x4b0 kernel/time/timer.c:1746 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1d4/0x905 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:lock_acquire+0x1f5/0x520 kernel/locking/lockdep.c:5729 Code: 3f 9c 7e 83 f8 01 0f 85 b9 02 00 00 9c 58 f6 c4 02 0f 85 a4 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc9000a80f658 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92001501ecd RCX: 465a330367d05334 RDX: 1ffff1100fca0c80 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff230d1d0 R10: ffffffff91868e87 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8c9a4700 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:749 [inline] is_bpf_text_address+0x3a/0x1b0 kernel/bpf/core.c:719 kernel_text_address kernel/extable.c:125 [inline] kernel_text_address+0x3d/0x80 kernel/extable.c:94 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address arch/x86/kernel/unwind_orc.c:369 [inline] unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:364 arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:521 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1792 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1818 slab_free mm/slub.c:3801 [inline] kmem_cache_free+0xf0/0x490 mm/slub.c:3823 vma_lock_free kernel/fork.c:471 [inline] __vm_area_free+0xee/0x140 kernel/fork.c:527 remove_vma+0x121/0x170 mm/mmap.c:146 exit_mmap+0x359/0x960 mm/mmap.c:3218 __mmput+0x128/0x4c0 kernel/fork.c:1347 mmput+0x60/0x70 kernel/fork.c:1369 exit_mm kernel/exit.c:567 [inline] do_exit+0x9a7/0x29a0 kernel/exit.c:861 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9312352a90 Code: Unable to access opcode bytes at 0x7f9312352a66. RSP: 002b:00007ffd7b506bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000055cceb058e04 RCX: 00007f9312352a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000 RBP: 0000000000000003 R08: 00007ffd7b506cc0 R09: 0000000000000002 R10: 0000000000000011 R11: 0000000000000202 R12: 00007ffd7b506ee8 R13: 00007ffd7b506f00 R14: 000055cce9e8e169 R15: 00007f9312549a80 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 9c pushfq 1: 7e 83 jle 0xffffff86 3: f8 clc 4: 01 0f add %ecx,(%rdi) 6: 85 b9 02 00 00 9c test %edi,-0x63fffffe(%rcx) c: 58 pop %rax d: f6 c4 02 test $0x2,%ah 10: 0f 85 a4 02 00 00 jne 0x2ba 16: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1c: 74 01 je 0x1f 1e: fb sti 1f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 26: fc ff df * 29: 48 01 c3 add %rax,%rbx <-- trapping instruction 2c: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 33: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3a: 00 3b: 48 rex.W 3c: 8b .byte 0x8b 3d: 84 .byte 0x84 3e: 24 .byte 0x24