ERROR: (device loop0): xtSearch: xt_getpage: xtree page corrupt
ERROR: (device loop0): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop0): xtSearch: xt_getpage: xtree page corrupt
ERROR: (device loop0): xtTruncate: xt_getpage: xtree page corrupt
BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:528!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5358 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:528
Code: e9 cc fe ff ff e8 61 3d 7c fe 48 c7 c7 e0 2c c4 8b 48 c7 c6 d9 28 c4 8b ba 10 02 00 00 48 c7 c1 20 2d c4 8b e8 12 22 e4 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:ffffc9000d3273a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88803e620800 RCX: 8dda4207849dfa00
RDX: ffffc9000ea23000 RSI: 0000000000050591 RDI: 0000000000050592
RBP: ffffc900013e1222 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 1ffff9200027c249
R13: dffffc0000000000 R14: ffffc900013e1248 R15: 000000000000000a
FS:  00007f47bde6b6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000043ee2000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x2b6/0x340 fs/jfs/inode.c:393
 jfs_truncate fs/jfs/inode.c:414 [inline]
 jfs_write_failed+0x119/0x190 fs/jfs/inode.c:289
 jfs_direct_IO+0x1f4/0x220 fs/jfs/inode.c:344
 generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4109
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4278
 generic_file_write_iter+0x117/0x550 mm/filemap.c:4318
 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 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/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f47bcf8ebe9
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:00007f47bde6b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f47bd1b6090 RCX: 00007f47bcf8ebe9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f47bd011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe80 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f47bd1b6128 R14: 00007f47bd1b6090 R15: 00007ffe1a7d0708
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:528
Code: e9 cc fe ff ff e8 61 3d 7c fe 48 c7 c7 e0 2c c4 8b 48 c7 c6 d9 28 c4 8b ba 10 02 00 00 48 c7 c1 20 2d c4 8b e8 12 22 e4 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:ffffc9000d3273a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88803e620800 RCX: 8dda4207849dfa00
RDX: ffffc9000ea23000 RSI: 0000000000050591 RDI: 0000000000050592
RBP: ffffc900013e1222 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 1ffff9200027c249
R13: dffffc0000000000 R14: ffffc900013e1248 R15: 000000000000000a
FS:  00007f47bde6b6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000043ee2000 CR4: 0000000000352ef0