ERROR: (device loop4): remounting filesystem as read-only
general protection fault, probably for non-canonical address 0xdffffc0000000029: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f]
CPU: 1 PID: 3641 Comm: syz-executor.4 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:txEnd+0x1e1/0x560 fs/jfs/jfs_txnmgr.c:539
Code: 00 84 c0 0f 85 d4 02 00 00 66 41 89 1e 41 0f b7 c5 89 05 42 5d 6d 0e 4c 8b 74 24 08 49 8d 9e 4c 01 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 c3 02 00 00 8b 2b 8d 75 ff 89 33 31 ff
RSP: 0018:ffffc900031a79f0 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 000000000000014c RCX: 0000000000040000
RDX: ffff888079941dc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff920004d7227 R08: ffffffff82e5a3d3 R09: fffffbfff1f7ee22
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000110
FS:  00007f5147b876c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd90174988 CR3: 000000005cc7b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 add_missing_indices fs/jfs/jfs_dtree.c:2961 [inline]
 jfs_readdir+0x2947/0x4650 fs/jfs/jfs_dtree.c:3307
 iterate_dir+0x224/0x570
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x209/0x4f0 fs/readdir.c:354
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5149614ea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5147b870c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f5149742f80 RCX: 00007f5149614ea9
RDX: 0000000000000102 RSI: 0000000020000400 RDI: 0000000000000005
RBP: 00007f51496614a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5149742f80 R15: 00007fffcbc2d718
 </TASK>
Modules linked in:
---[ end trace f07d615e4e147f95 ]---
RIP: 0010:txEnd+0x1e1/0x560 fs/jfs/jfs_txnmgr.c:539
Code: 00 84 c0 0f 85 d4 02 00 00 66 41 89 1e 41 0f b7 c5 89 05 42 5d 6d 0e 4c 8b 74 24 08 49 8d 9e 4c 01 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 c3 02 00 00 8b 2b 8d 75 ff 89 33 31 ff
RSP: 0018:ffffc900031a79f0 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 000000000000014c RCX: 0000000000040000
RDX: ffff888079941dc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff920004d7227 R08: ffffffff82e5a3d3 R09: fffffbfff1f7ee22
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000110
FS:  00007f5147b876c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd90174988 CR3: 000000005cc7b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 84 c0 0f 85 d4 02 	add    %al,0x2d4850f(%rax,%rax,8)
   7:	00 00                	add    %al,(%rax)
   9:	66 41 89 1e          	mov    %bx,(%r14)
   d:	41 0f b7 c5          	movzwl %r13w,%eax
  11:	89 05 42 5d 6d 0e    	mov    %eax,0xe6d5d42(%rip)        # 0xe6d5d59
  17:	4c 8b 74 24 08       	mov    0x8(%rsp),%r14
  1c:	49 8d 9e 4c 01 00 00 	lea    0x14c(%r14),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 c3 02 00 00    	jne    0x2fa
  37:	8b 2b                	mov    (%rbx),%ebp
  39:	8d 75 ff             	lea    -0x1(%rbp),%esi
  3c:	89 33                	mov    %esi,(%rbx)
  3e:	31 ff                	xor    %edi,%edi