ERROR: (device loop8): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6
Oops: general protection fault, probably for non-canonical address 0xdffffc018caa8737: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x0000000c655439b8-0x0000000c655439bf]
CPU: 1 UID: 0 PID: 11248 Comm: syz.8.493 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:smk_of_inode security/smack/smack.h:411 [inline]
RIP: 0010:smack_inode_permission+0x265/0x320 security/smack/smack_lsm.c:1260
Code: 83 c5 38 4c 89 e8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ef e8 1d 99 ab fd 44 8b 3d c6 e2 2c 09 4d 03 7d 00 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 fd 98 ab fd 49 8b 3f 44 89 f6 48 8d
RSP: 0018:ffffc900047d78e0 EFLAGS: 00010202
RAX: 000000018caa8737 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900047d7938
RBP: ffffc900047d79e8 R08: ffffc900047d796f R09: 0000000000000000
R10: ffffc900047d7940 R11: fffff520008faf2e R12: 1ffff920008faf20
R13: ffff88805ad78e20 R14: 0000000000000001 R15: 0000000c655439b8
FS:  00007fe5546856c0(0000) GS:ffff888125cc4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bc2d35000 CR3: 000000005ea6a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 security_inode_permission+0xf4/0x2e0 security/security.c:1842
 lookup_inode_permission_may_exec fs/namei.c:696 [inline]
 may_lookup fs/namei.c:1976 [inline]
 link_path_walk+0x1168/0x1910 fs/namei.c:2604
 path_parentat fs/namei.c:2860 [inline]
 __filename_parentat+0x287/0x6f0 fs/namei.c:2884
 filename_parentat fs/namei.c:2902 [inline]
 filename_create+0xd9/0x370 fs/namei.c:5073
 filename_mkdirat+0xd2/0x520 fs/namei.c:5436
 __do_sys_mkdir fs/namei.c:5470 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5467
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe55644e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe554685028 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fe5566d6090 RCX: 00007fe55644e159
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000200000000040
RBP: 00007fe5564e506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe5566d6128 R14: 00007fe5566d6090 R15: 00007ffed0592b78
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:smk_of_inode security/smack/smack.h:411 [inline]
RIP: 0010:smack_inode_permission+0x265/0x320 security/smack/smack_lsm.c:1260
Code: 83 c5 38 4c 89 e8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ef e8 1d 99 ab fd 44 8b 3d c6 e2 2c 09 4d 03 7d 00 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 fd 98 ab fd 49 8b 3f 44 89 f6 48 8d
RSP: 0018:ffffc900047d78e0 EFLAGS: 00010202
RAX: 000000018caa8737 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900047d7938
RBP: ffffc900047d79e8 R08: ffffc900047d796f R09: 0000000000000000
R10: ffffc900047d7940 R11: fffff520008faf2e R12: 1ffff920008faf20
R13: ffff88805ad78e20 R14: 0000000000000001 R15: 0000000c655439b8
FS:  00007fe5546856c0(0000) GS:ffff888125cc4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bc2d35000 CR3: 000000005ea6a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	83 c5 38             	add    $0x38,%ebp
   3:	4c 89 e8             	mov    %r13,%rax
   6:	48 c1 e8 03          	shr    $0x3,%rax
   a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
   e:	74 08                	je     0x18
  10:	4c 89 ef             	mov    %r13,%rdi
  13:	e8 1d 99 ab fd       	call   0xfdab9935
  18:	44 8b 3d c6 e2 2c 09 	mov    0x92ce2c6(%rip),%r15d        # 0x92ce2e5
  1f:	4d 03 7d 00          	add    0x0(%r13),%r15
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ff             	mov    %r15,%rdi
  33:	e8 fd 98 ab fd       	call   0xfdab9935
  38:	49 8b 3f             	mov    (%r15),%rdi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d