ERROR: (device loop7): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 3
non-latin1 character 0xffff found in JFS file name
mount with iocharset=utf8 to access
ERROR: (device loop7): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5
ERROR: (device loop7): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6
ERROR: (device loop7): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7
Oops: general protection fault, probably for non-canonical address 0xdffffc01868cc82f: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x0000000c34664178-0x0000000c3466417f]
CPU: 0 UID: 0 PID: 11399 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:smk_of_inode security/smack/smack.h:409 [inline]
RIP: 0010:smack_inode_permission+0x283/0x330 security/smack/smack_lsm.c:1251
Code: 49 83 c7 38 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1d 63 ea fd 8b 1d 73 ac ca 08 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fe 62 ea fd 48 8b 3b 44 89 f6 48
RSP: 0018:ffffc9000481f940 EFLAGS: 00010202
RAX: 00000001868cc82f RBX: 0000000c34664178 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000481f998
RBP: ffffc9000481fa48 R08: ffffc9000481f9c7 R09: 0000000000000000
R10: ffffc9000481f9a0 R11: fffff52000903f39 R12: 1ffff92000903f2c
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88805fbf48b8
FS:  000055556b2d5500(0000) GS:ffff888126d03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556b2f8608 CR3: 00000000614d8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 security_inode_permission+0xf8/0x310 security/security.c:1816
 lookup_inode_permission_may_exec fs/namei.c:639 [inline]
 may_lookup fs/namei.c:1900 [inline]
 link_path_walk+0xc2d/0x18d0 fs/namei.c:2537
 path_lookupat+0xe4/0x8c0 fs/namei.c:2745
 filename_lookup+0x212/0x570 fs/namei.c:2775
 user_path_at+0x3a/0x60 fs/namei.c:3567
 ksys_umount fs/namespace.c:2058 [inline]
 __do_sys_umount fs/namespace.c:2066 [inline]
 __se_sys_umount fs/namespace.c:2064 [inline]
 __x64_sys_umount+0xee/0x160 fs/namespace.c:2064
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe2935c0a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcd896c118 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007fe293643d7d RCX: 00007fe2935c0a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcd896c1d0
RBP: 00007ffcd896c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcd896d2c0
R13: 00007fe293643d7d R14: 00000000000df007 R15: 00007ffcd896e390
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:smk_of_inode security/smack/smack.h:409 [inline]
RIP: 0010:smack_inode_permission+0x283/0x330 security/smack/smack_lsm.c:1251
Code: 49 83 c7 38 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1d 63 ea fd 8b 1d 73 ac ca 08 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fe 62 ea fd 48 8b 3b 44 89 f6 48
RSP: 0018:ffffc9000481f940 EFLAGS: 00010202
RAX: 00000001868cc82f RBX: 0000000c34664178 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000481f998
RBP: ffffc9000481fa48 R08: ffffc9000481f9c7 R09: 0000000000000000
R10: ffffc9000481f9a0 R11: fffff52000903f39 R12: 1ffff92000903f2c
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88805fbf48b8
FS:  000055556b2d5500(0000) GS:ffff888126d03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556b2f8608 CR3: 00000000614d8000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	49 83 c7 38          	add    $0x38,%r15
   4:	4c 89 f8             	mov    %r15,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  10:	74 08                	je     0x1a
  12:	4c 89 ff             	mov    %r15,%rdi
  15:	e8 1d 63 ea fd       	call   0xfdea6337
  1a:	8b 1d 73 ac ca 08    	mov    0x8caac73(%rip),%ebx        # 0x8caac93
  20:	49 03 1f             	add    (%r15),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 fe 62 ea fd       	call   0xfdea6337
  39:	48 8b 3b             	mov    (%rbx),%rdi
  3c:	44 89 f6             	mov    %r14d,%esi
  3f:	48                   	rex.W