ERROR: (device loop6): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop6): xtSearch: xt_getpage: xtree page corrupt
ERROR: (device loop6): 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!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 11698 Comm: syz.6.808 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529
Code: e9 cc fe ff ff e8 a1 4f 81 fe 48 c7 c7 20 47 24 8b 48 c7 c6 19 43 24 8b ba 11 02 00 00 48 c7 c1 60 47 24 8b e8 62 ce e9 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90007cf73a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888039652000 RCX: a234027d50c31700
RDX: ffffc90005599000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003199c82 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101712487b R12: 1ffff92000633395
R13: dffffc0000000000 R14: ffffc90003199ca8 R15: 0000000000000002
FS:  00007fb5c72a66c0(0000) GS:ffff888126efc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110f2a4536 CR3: 000000004c6a4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x2b6/0x340 fs/jfs/inode.c:399
 jfs_truncate fs/jfs/inode.c:420 [inline]
 jfs_write_failed+0x119/0x190 fs/jfs/inode.c:295
 jfs_direct_IO+0x1f6/0x220 fs/jfs/inode.c:350
 generic_file_direct_write+0x1dc/0x3e0 mm/filemap.c:4176
 __generic_file_write_iter+0x120/0x240 mm/filemap.c:4345
 generic_file_write_iter+0x118/0x550 mm/filemap.c:4385
 iter_file_splice_write+0x97a/0x10f0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x104/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5b3/0xcd0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x187/0x270 fs/splice.c:1230
 do_sendfile+0x4ec/0x7f0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb5c903efc9
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:00007fb5c72a6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fb5c9295fa0 RCX: 00007fb5c903efc9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007fb5c90c1f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe85 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb5c9296038 R14: 00007fb5c9295fa0 R15: 00007ffe61e228b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529
Code: e9 cc fe ff ff e8 a1 4f 81 fe 48 c7 c7 20 47 24 8b 48 c7 c6 19 43 24 8b ba 11 02 00 00 48 c7 c1 60 47 24 8b e8 62 ce e9 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90007cf73a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888039652000 RCX: a234027d50c31700
RDX: ffffc90005599000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003199c82 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101712487b R12: 1ffff92000633395
R13: dffffc0000000000 R14: ffffc90003199ca8 R15: 0000000000000002
FS:  00007fb5c72a66c0(0000) GS:ffff888126efc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110f2a4536 CR3: 000000004c6a4000 CR4: 00000000003526f0