Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f504655c EFLAGS: 00000206 ORIG_RAX: 00000000000001be
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 13746 at security/landlock/domain.h:133 landlock_free_hierarchy_details security/landlock/domain.h:133 [inline]
WARNING: CPU: 1 PID: 13746 at security/landlock/domain.h:133 landlock_put_hierarchy security/landlock/domain.h:168 [inline]
WARNING: CPU: 1 PID: 13746 at security/landlock/domain.h:133 free_ruleset+0x1f3/0x250 security/landlock/ruleset.c:490
Modules linked in:
CPU: 1 UID: 0 PID: 13746 Comm: syz.4.2248 Not tainted 6.14.0-syzkaller-10514-g7f2ff7b62617 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:landlock_free_hierarchy_details security/landlock/domain.h:133 [inline]
RIP: 0010:landlock_put_hierarchy security/landlock/domain.h:168 [inline]
RIP: 0010:free_ruleset+0x1f3/0x250 security/landlock/ruleset.c:490
Code: 89 ff e8 a0 6b 6d fd 49 8b 1f 4c 89 ff e8 25 c4 61 fd 48 85 db 74 36 e8 2b 31 05 fd 49 89 df e9 34 ff ff ff e8 1e 31 05 fd 90 <0f> 0b 90 eb c2 e8 13 31 05 fd eb 1c bf 01 00 00 00 89 ee e8 45 35
RSP: 0018:ffffc9000fb87da8 EFLAGS: 00010293
RAX: ffffffff84be39d2 RBX: 0000000000000000 RCX: ffff888027c88000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100fdd8884 R08: ffffffff84bf456f R09: 1ffff1100fdd8881
R10: dffffc0000000000 R11: ffffed100fdd8882 R12: ffff88807eec4420
R13: dffffc0000000000 R14: ffff88805de6ef00 R15: ffff88807eec4400
FS:  0000000000000000(0000) GS:ffff8881250b7000(0063) knlGS:00000000f5046b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c24112b CR3: 0000000011de0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 landlock_put_ruleset security/landlock/ruleset.c:498 [inline]
 __free_landlock_put_ruleset security/landlock/ruleset.h:200 [inline]
 landlock_merge_ruleset+0x6d8/0x900 security/landlock/ruleset.c:577
 __do_sys_landlock_restrict_self security/landlock/syscalls.c:549 [inline]
 __se_sys_landlock_restrict_self+0x2ce/0x7d0 security/landlock/syscalls.c:479
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf73bd579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f504655c EFLAGS: 00000206 ORIG_RAX: 00000000000001be
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop