loop0: detected capacity change from 0 to 32768
ERROR: (device loop0): dbAdjCtl: the maximum free buddy is not the old root

ERROR: (device loop0): remounting filesystem as read-only
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:530 assert(tblk->next == 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:530!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5324 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 04/01/2014
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530
Code: e9 cc fe ff ff e8 b1 90 5b fe 48 c7 c7 e0 a0 2c 8c 48 c7 c6 d9 9c 2c 8c ba 12 02 00 00 48 c7 c1 20 a1 2c 8c e8 d2 cd bc 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:ffffc9000e3c75c0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888052c32000 RCX: d36e52996473b400
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000f11112 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 1ffff920001e2227
R13: dffffc0000000000 R14: ffffc90000f11138 R15: 0000000000000001
FS:  00007f3cf4f236c0(0000) GS:ffff88808c54e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000640 CR3: 0000000043487000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x2b6/0x340 fs/jfs/inode.c:399
 jfs_truncate+0xce/0x140 fs/jfs/inode.c:420
 jfs_direct_IO+0x1f4/0x220 fs/jfs/inode.c:350
 generic_file_direct_write+0x1d0/0x3f0 mm/filemap.c:4292
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4461
 generic_file_write_iter+0xae/0x330 mm/filemap.c:4501
 iter_file_splice_write+0xa31/0x1240 fs/splice.c:736
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1159
 splice_direct_to_actor+0x57b/0xcb0 fs/splice.c:1103
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1228
 do_sendfile+0x52e/0x7c0 fs/read_write.c:1371
 __do_sys_sendfile64 fs/read_write.c:1432 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3cf3f9de59
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:00007f3cf4f22fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3cf4225fa0 RCX: 00007f3cf3f9de59
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f3cf4033e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3cf4226038 R14: 00007f3cf4225fa0 R15: 00007fffa5277fc8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530
Code: e9 cc fe ff ff e8 b1 90 5b fe 48 c7 c7 e0 a0 2c 8c 48 c7 c6 d9 9c 2c 8c ba 12 02 00 00 48 c7 c1 20 a1 2c 8c e8 d2 cd bc 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:ffffc9000e3c75c0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888052c32000 RCX: d36e52996473b400
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000f11112 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 1ffff920001e2227
R13: dffffc0000000000 R14: ffffc90000f11138 R15: 0000000000000001
FS:  00007f3cf4f236c0(0000) GS:ffff88808c54e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000640 CR3: 0000000043487000 CR4: 0000000000352ef0