------------[ cut here ]------------
WARNING: CPU: 0 PID: 10495 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 10495 Comm: dhcpcd-run-hook Not tainted 6.13.0-rc3-syzkaller-g362a7993ed01 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 af 29 8d 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 f0 63 33 00 85 db 75 60 e8 a7 61 33 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 99 61 33 00 90 0f 0b 90 e9 7e f6 ff ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010046

RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff8127f861
RDX: ffff88810c2ad7c0 RSI: ffffffff8127f8b9 RDI: 0000000000000005
RBP: ffff888113463780 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: 1ffff92000000f8f
R13: 0000000000000001 R14: 0000000000000101 R15: ffff888115f3ac00
FS:  00007fe5385a0380(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5386e0e10 CR3: 0000000113c94000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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+0x206/0x8d0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xfa/0x160 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find+0x76/0xf0 arch/x86/kernel/unwind_orc.c:102
Code: 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 <83> c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 48 01 da 49 39 d5
RSP: 0018:ffffc90012d0f998 EFLAGS: 00000202
RAX: ffffffff8abc2e28 RBX: ffffffff8a67105c RCX: dffffc0000000000
RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffffff8a67104c
RBP: ffffffff8a67104c R08: ffffffff8abc2ea0 R09: ffffffff8abc2d84
R10: ffffc90012d0fa48 R11: 000000000000bc0a R12: ffffffff8a67106c
R13: ffffffff81bc0a20 R14: ffffffff8a67104c R15: ffffffff8a67104c
 orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
 unwind_next_frame+0x2be/0x20c0 arch/x86/kernel/unwind_orc.c:494
 arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x37/0x50 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4613 [inline]
 kfree+0x130/0x470 mm/slub.c:4761
 free_rb_tree_fname+0x7c/0xe0 fs/ext4/dir.c:436
 ext4_htree_free_dir_info fs/ext4/dir.c:455 [inline]
 ext4_release_dir+0x3e/0x60 fs/ext4/dir.c:639
 __fput+0x3f8/0xb60 fs/file_table.c:450
 __fput_sync+0xa1/0xc0 fs/file_table.c:535
 __do_sys_close fs/open.c:1554 [inline]
 __se_sys_close fs/open.c:1539 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1539
 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: 0033:0x7fe5386f837f
Code: af 6a 0d 00 f7 d8 64 89 02 48 83 c8 ff 44 89 c7 48 89 04 24 e8 e1 fc f9 ff 48 8b 04 24 48 83 c4 28 c3 c3 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 7a 6a 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd761191e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5386f837f
RDX: 000000000000c480 RSI: 000055d4132e5010 RDI: 0000000000000003
RBP: 000055d4132edb42 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd76119338
R13: 000055d4132edb41 R14: 000055d4132f0b39 R15: 0000000000000001
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 29 ea             	sub    %rbp,%rdx
   3:	48 89 d6             	mov    %rdx,%rsi
   6:	48 c1 ea 3f          	shr    $0x3f,%rdx
   a:	48 c1 fe 02          	sar    $0x2,%rsi
   e:	48 01 f2             	add    %rsi,%rdx
  11:	48 d1 fa             	sar    %rdx
  14:	48 8d 5c 95 00       	lea    0x0(%rbp,%rdx,4),%rbx
  19:	48 89 da             	mov    %rbx,%rdx
  1c:	48 c1 ea 03          	shr    $0x3,%rdx
  20:	0f b6 34 0a          	movzbl (%rdx,%rcx,1),%esi
  24:	48 89 da             	mov    %rbx,%rdx
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	83 c2 03             	add    $0x3,%edx <-- trapping instruction
  2d:	40 38 f2             	cmp    %sil,%dl
  30:	7c 05                	jl     0x37
  32:	40 84 f6             	test   %sil,%sil
  35:	75 4b                	jne    0x82
  37:	48 63 13             	movslq (%rbx),%rdx
  3a:	48 01 da             	add    %rbx,%rdx
  3d:	49 39 d5             	cmp    %rdx,%r13