loop1: detected capacity change from 0 to 32768
read_mapping_page failed!
ERROR: (device loop1): txCommit: 
ERROR: (device loop1): remounting filesystem as read-only
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000029: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f]
CPU: 1 UID: 0 PID: 6897 Comm: syz.1.119 Not tainted 6.15.0-rc5-syzkaller-00123-g2c89c1b655c0 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:txEnd+0x1c0/0x530 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 fe 56 16 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:ffffc9000b00f900 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888030bada00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8f7da777 R09: 1ffffffff1efb4ee
R10: dffffc0000000000 R11: fffffbfff1efb4ef R12: 1ffff920004e726b
R13: dffffc0000000000 R14: 000000000000014c R15: 0000000000000000
FS:  00007f2b044e26c0(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f51fe452723 CR3: 000000002957e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 add_missing_indices+0x88a/0xbc0 fs/jfs/jfs_dtree.c:2666
 jfs_readdir+0x1da4/0x3ac0 fs/jfs/jfs_dtree.c:3020
 wrap_directory_iterator+0x93/0xe0 fs/readdir.c:65
 iterate_dir+0x5ac/0x770 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0xe4/0x260 fs/readdir.c:389
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b0358e969
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:00007f2b044e2038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f2b037b5fa0 RCX: 00007f2b0358e969
RDX: 0000000000001000 RSI: 0000200000000f80 RDI: 0000000000000004
RBP: 00007f2b03610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2b037b5fa0 R15: 00007ffd27187028
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x1c0/0x530 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 fe 56 16 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:ffffc9000b00f900 EFLAGS: 00010203
RAX: 0000000000000029 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888030bada00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8f7da777 R09: 1ffffffff1efb4ee
R10: dffffc0000000000 R11: fffffbfff1efb4ef R12: 1ffff920004e726b
R13: dffffc0000000000 R14: 000000000000014c R15: 0000000000000000
FS:  00007f2b044e26c0(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f51fe452723 CR3: 000000002957e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 fe 56 16    	mov    %eax,0x1656fe8e(%rip)        # 0x1656feaa
  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