------------[ cut here ]------------
WARNING: CPU: 1 PID: 6138 at kernel/workqueue.c:1441 __queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Modules linked in:
CPU: 1 PID: 6138 Comm: sed Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Code: e9 9d fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c c7 fc ff ff 48 8b 3c 24 e8 9d 25 7f 00 e9 b9 fc ff ff e8 73 b7 2d 00 <0f> 0b 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5d b7 2d 00
RSP: 0018:ffffc900001e0ae8 EFLAGS: 00010046
RAX: ffffffff81530c2d RBX: 0000000000010000 RCX: ffff88802c861dc0
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bfcf4e
R10: fffffbfff1bfcf4e R11: 1ffffffff1bfcf4d R12: ffff88804e561800
R13: ffff88804e5619c0 R14: 0000000000000008 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff5e29f88 CR3: 00000000643b4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1544 [inline]
 __run_timers+0x550/0x7c0 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:661
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:debug_lockdep_rcu_enabled+0x25/0x30 kernel/rcu/update.c:281
Code: 00 00 cc cc 00 31 c0 83 3d 97 84 ef 03 00 74 1d 83 3d 22 b8 ef 03 00 74 14 65 48 8b 0d 34 78 f3 75 31 c0 83 b9 dc 0a 00 00 00 <0f> 94 c0 c3 00 00 cc cc 00 00 cc 48 8b 3c 24 e8 47 fb ff ff 66 90
RSP: 0018:ffffc900033573b8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8b90a6a8 RCX: ffff88802c861dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807b5208a0
RBP: ffffc90003357590 R08: ffff88802c861dc0 R09: 0000000000000004
R10: 0000000000000003 R11: 0000000000000000 R12: 00007ffff5fb0fff
R13: ffff88807b520880 R14: ffff88807e618f00 R15: 0000000000000004
 mt_slot lib/maple_tree.c:814 [inline]
 mas_slot lib/maple_tree.c:847 [inline]
 mas_get_slot lib/maple_tree.c:6675 [inline]
 mas_validate_gaps lib/maple_tree.c:6973 [inline]
 mt_validate+0x2cbc/0x4c90 lib/maple_tree.c:7241
 validate_mm_mt+0xcd/0x420 mm/mmap.c:294
 validate_mm+0xcc/0x2b0 mm/mmap.c:331
 remove_mt mm/mmap.c:2310 [inline]
 do_mas_align_munmap+0xf98/0x1220 mm/mmap.c:2583
 do_mas_munmap+0x240/0x2b0 mm/mmap.c:2638
 __mmap_region mm/mmap.c:2686 [inline]
 mmap_region+0x713/0x1d30 mm/mmap.c:2904
 do_mmap+0x894/0xf30 mm/mmap.c:1424
 vm_mmap_pgoff+0x1b2/0x2b0 mm/util.c:520
 ksys_mmap_pgoff+0x516/0x6f0 mm/mmap.c:1470
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f36509bdb74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007ffff5e29ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffff5e29d60 RCX: 00007f36509bdb74
RDX: 0000000000000001 RSI: 0000000000028000 RDI: 00007f3650974000
RBP: 00007ffff5e2a050 R08: 0000000000000003 R09: 0000000000097000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007f36509a00c0
R13: 00007ffff5e2a0d8 R14: 0000000000096066 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	cc                   	int3
   3:	cc                   	int3
   4:	00 31                	add    %dh,(%rcx)
   6:	c0 83 3d 97 84 ef 03 	rolb   $0x3,-0x107b68c3(%rbx)
   d:	00 74 1d 83          	add    %dh,-0x7d(%rbp,%rbx,1)
  11:	3d 22 b8 ef 03       	cmp    $0x3efb822,%eax
  16:	00 74 14 65          	add    %dh,0x65(%rsp,%rdx,1)
  1a:	48 8b 0d 34 78 f3 75 	mov    0x75f37834(%rip),%rcx        # 0x75f37855
  21:	31 c0                	xor    %eax,%eax
  23:	83 b9 dc 0a 00 00 00 	cmpl   $0x0,0xadc(%rcx)
* 2a:	0f 94 c0             	sete   %al <-- trapping instruction
  2d:	c3                   	ret
  2e:	00 00                	add    %al,(%rax)
  30:	cc                   	int3
  31:	cc                   	int3
  32:	00 00                	add    %al,(%rax)
  34:	cc                   	int3
  35:	48 8b 3c 24          	mov    (%rsp),%rdi
  39:	e8 47 fb ff ff       	call   0xfffffb85
  3e:	66 90                	xchg   %ax,%ax