ERROR: (device loop2): xtSearch: XT_GETPAGE: xtree page corrupt
ERROR: (device loop2): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop2): xtTruncate: XT_GETPAGE: xtree page corrupt
BUG at fs/jfs/jfs_txnmgr.c:529 assert(tblk->next == 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:529!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6013 Comm: syz.2.25 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:txEnd+0x51e/0x520 fs/jfs/jfs_txnmgr.c:529
Code: fe e9 cc fe ff ff e8 01 28 80 fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba 11 02 00 00 48 c7 c1 80 21 04 8b e8 82 e2 73 07 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90004b4fba0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88801d3a7800 RCX: 41c6e2a866ac8700
RDX: ffffc9000ecb9000 RSI: 0000000000019734 RDI: 0000000000019735
RBP: ffffc90002689112 R08: ffff8880b8f28c13 R09: 1ffff110171e5182
R10: dffffc0000000000 R11: ffffed10171e5183 R12: 1ffff920004d1227
R13: dffffc0000000000 R14: ffffc90002689138 R15: 0000000000000001
FS:  00007fc8676fb6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa717456b8 CR3: 000000002cd53000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x235/0x2c0 fs/jfs/inode.c:397
 jfs_truncate+0xce/0x140 fs/jfs/inode.c:418
 jfs_setattr+0x4f8/0x750 fs/jfs/file.c:122
 notify_change+0xb0d/0xe10 fs/attr.c:499
 do_truncate+0x1b0/0x240 fs/open.c:66
 do_sys_ftruncate+0x325/0x3d0 fs/open.c:194
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc86679ce59
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:00007fc8676fb028 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fc866a16090 RCX: 00007fc86679ce59
RDX: 0000000000000000 RSI: 0000000000010001 RDI: 0000000000000004
RBP: 00007fc866832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc866a16128 R14: 00007fc866a16090 R15: 00007ffdf79b6b08
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51e/0x520 fs/jfs/jfs_txnmgr.c:529
Code: fe e9 cc fe ff ff e8 01 28 80 fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba 11 02 00 00 48 c7 c1 80 21 04 8b e8 82 e2 73 07 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90004b4fba0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88801d3a7800 RCX: 41c6e2a866ac8700
RDX: ffffc9000ecb9000 RSI: 0000000000019734 RDI: 0000000000019735
RBP: ffffc90002689112 R08: ffff8880b8f28c13 R09: 1ffff110171e5182
R10: dffffc0000000000 R11: ffffed10171e5183 R12: 1ffff920004d1227
R13: dffffc0000000000 R14: ffffc90002689138 R15: 0000000000000001
FS:  00007fc8676fb6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa717456b8 CR3: 000000002cd53000 CR4: 00000000003506e0