loop0: detected capacity change from 32768 to 0
Read error 10 at 0x24b000
read_mapping_page failed!
bread failed!
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: 5331 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:529
Code: e9 cc fe ff ff e8 d1 1e 6a fe 48 c7 c7 20 37 0b 8c 48 c7 c6 19 33 0b 8c ba 11 02 00 00 48 c7 c1 60 37 0b 8c e8 82 4d cd 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:ffffc9000e567a20 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888037d20800 RCX: 61d8c0ade6056e00
RDX: ffffc90020802000 RSI: 0000000000002a1c RDI: 0000000000002a1d
RBP: ffffc90001369bb2 R08: ffff88801fc247d3 R09: 1ffff11003f848fa
R10: dffffc0000000000 R11: ffffed1003f848fb R12: 1ffff9200026d37b
R13: dffffc0000000000 R14: ffffc90001369bd8 R15: 0000000000000004
FS:  00007fb3b9c9b6c0(0000) GS:ffff88808cabf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3b9cdcff0 CR3: 0000000035c7d000 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:123
 notify_change+0xc1a/0xf40 fs/attr.c:546
 do_truncate+0x1c2/0x250 fs/open.c:68
 vfs_truncate+0x4b4/0x540 fs/open.c:118
 do_sys_truncate+0xf3/0x1c0 fs/open.c:142
 __do_sys_truncate fs/open.c:154 [inline]
 __se_sys_truncate fs/open.c:152 [inline]
 __x64_sys_truncate+0x5b/0x70 fs/open.c:152
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3b8d9bf79
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:00007fb3b9c9b028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fb3b9016180 RCX: 00007fb3b8d9bf79
RDX: 0000000000000000 RSI: 0000000000000401 RDI: 00002000000001c0
RBP: 00007fb3b8e327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb3b9016218 R14: 00007fb3b9016180 R15: 00007fff598d0078
 </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 d1 1e 6a fe 48 c7 c7 20 37 0b 8c 48 c7 c6 19 33 0b 8c ba 11 02 00 00 48 c7 c1 60 37 0b 8c e8 82 4d cd 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:ffffc9000e567a20 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888037d20800 RCX: 61d8c0ade6056e00
RDX: ffffc90020802000 RSI: 0000000000002a1c RDI: 0000000000002a1d
RBP: ffffc90001369bb2 R08: ffff88801fc247d3 R09: 1ffff11003f848fa
R10: dffffc0000000000 R11: ffffed1003f848fb R12: 1ffff9200026d37b
R13: dffffc0000000000 R14: ffffc90001369bd8 R15: 0000000000000004
FS:  00007fb3b9c9b6c0(0000) GS:ffff88808cabf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3b9cdcff0 CR3: 0000000035c7d000 CR4: 0000000000352ef0