read_mapping_page failed!
ERROR: (device loop0): txCommit: 
ERROR: (device loop0): 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: 18180 Comm: syz.0.2756 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:txEnd+0x1c0/0x520 fs/jfs/jfs_txnmgr.c:539
Code: 43 0f b6 04 2c 84 c0 0f 85 d8 02 00 00 66 41 89 2e 0f b7 44 24 04 89 05 8e 87 fe 13 4c 8d b3 4c 01 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 cb 02 00 00 45 8b 3e 41 8d 77 ff 41 89
RSP: 0018:ffffc900047cf920 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 0000000000000000 RCX: 0000000000000002
RDX: ffff8880257e8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff90da554f R09: 1ffffffff21b4aa9
R10: dffffc0000000000 R11: fffffbfff21b4aaa R12: 1ffff920004c5249
R13: dffffc0000000000 R14: 000000000000014c R15: 0000000000000000
FS:  00007f046f0926c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558a4b11d048 CR3: 0000000066ce9000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 add_missing_indices+0x888/0xbb0 fs/jfs/jfs_dtree.c:2666
 jfs_readdir+0x1d80/0x3a90 fs/jfs/jfs_dtree.c:3020
 wrap_directory_iterator+0x92/0xd0 fs/readdir.c:67
 iterate_dir+0x1c2/0x580 fs/readdir.c:106
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0xe9/0x260 fs/readdir.c:390
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f046e18ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f046f092038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f046e3c6090 RCX: 00007f046e18ebe9
RDX: 0000000000000031 RSI: 0000200000000000 RDI: 0000000000000008
RBP: 00007f046e211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f046e3c6128 R14: 00007f046e3c6090 R15: 00007ffd8703fcd8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x1c0/0x520 fs/jfs/jfs_txnmgr.c:539
Code: 43 0f b6 04 2c 84 c0 0f 85 d8 02 00 00 66 41 89 2e 0f b7 44 24 04 89 05 8e 87 fe 13 4c 8d b3 4c 01 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 cb 02 00 00 45 8b 3e 41 8d 77 ff 41 89
RSP: 0018:ffffc900047cf920 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 0000000000000000 RCX: 0000000000000002
RDX: ffff8880257e8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff90da554f R09: 1ffffffff21b4aa9
R10: dffffc0000000000 R11: fffffbfff21b4aaa R12: 1ffff920004c5249
R13: dffffc0000000000 R14: 000000000000014c R15: 0000000000000000
FS:  00007f046f0926c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558a4b11d048 CR3: 0000000066ce9000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
   0:	43 0f b6 04 2c       	movzbl (%r12,%r13,1),%eax
   5:	84 c0                	test   %al,%al
   7:	0f 85 d8 02 00 00    	jne    0x2e5
   d:	66 41 89 2e          	mov    %bp,(%r14)
  11:	0f b7 44 24 04       	movzwl 0x4(%rsp),%eax
  16:	89 05 8e 87 fe 13    	mov    %eax,0x13fe878e(%rip)        # 0x13fe87aa
  1c:	4c 8d b3 4c 01 00 00 	lea    0x14c(%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 cb 02 00 00    	jne    0x302
  37:	45 8b 3e             	mov    (%r14),%r15d
  3a:	41 8d 77 ff          	lea    -0x1(%r15),%esi
  3e:	41                   	rex.B
  3f:	89                   	.byte 0x89