ERROR: (device loop0): xtTruncate: xt_getpage: xtree page corrupt
ERROR: (device loop0): remounting filesystem as read-only
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 NOPTI
CPU: 0 UID: 0 PID: 5342 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:529
Code: e9 cc fe ff ff e8 f1 ec 73 fe 48 c7 c7 a0 a3 c5 8b 48 c7 c6 99 9f c5 8b ba 11 02 00 00 48 c7 c1 e0 a3 c5 8b e8 82 d6 d9 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:ffffc9000c417640 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88804291d000 RCX: 7a94a759855f8900
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: ffffc90001409992 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfae28 R12: 1ffff92000281337
R13: dffffc0000000000 R14: ffffc900014099b8 R15: 000000000000001d
FS:  00007f1d7e62c6c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f075f25e000 CR3: 00000000111ff000 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_setattr+0x4f8/0x760 fs/jfs/file.c:122
 notify_change+0xc1a/0xf40 fs/attr.c:546
 do_truncate+0x1a4/0x220 fs/open.c:68
 handle_truncate fs/namei.c:4235 [inline]
 do_open fs/namei.c:4632 [inline]
 path_openat+0x359d/0x3dd0 fs/namei.c:4787
 do_filp_open+0x1fa/0x410 fs/namei.c:4814
 do_sys_openat2+0x121/0x200 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d7d78f7c9
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:00007f1d7e62c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1d7d9e6180 RCX: 00007f1d7d78f7c9
RDX: 00000000001eda02 RSI: 0000200000000300 RDI: ffffffffffffff9c
RBP: 00007f1d7d813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000039 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d7d9e6218 R14: 00007f1d7d9e6180 R15: 00007fff25a260f8
 </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 f1 ec 73 fe 48 c7 c7 a0 a3 c5 8b 48 c7 c6 99 9f c5 8b ba 11 02 00 00 48 c7 c1 e0 a3 c5 8b e8 82 d6 d9 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:ffffc9000c417640 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88804291d000 RCX: 7a94a759855f8900
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: ffffc90001409992 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfae28 R12: 1ffff92000281337
R13: dffffc0000000000 R14: ffffc900014099b8 R15: 000000000000001d
FS:  00007f1d7e62c6c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f075f25e000 CR3: 00000000111ff000 CR4: 0000000000352ef0