loop0: detected capacity change from 32768 to 0
Read error 10 at 0x46b000
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: 5329 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 41 34 77 fe 48 c7 c7 60 bc a4 8b 48 c7 c6 59 b8 a4 8b ba 11 02 00 00 48 c7 c1 a0 bc a4 8b e8 f2 b1 de 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:ffffc9000d33f660 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888051322800 RCX: 2dca4e3f38731a00
RDX: ffffc9000e8eb000 RSI: 0000000000001f89 RDI: 0000000000001f8a
RBP: ffffc900013fa872 R08: ffff88801fe24293 R09: 1ffff11003fc4852
R10: dffffc0000000000 R11: ffffed1003fc4853 R12: 1ffff9200027f513
R13: dffffc0000000000 R14: ffffc900013fa898 R15: 000000000000002c
FS:  00007f1b21a2d6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b21a4dfc8 CR3: 0000000042758000 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:3596 [inline]
 do_open fs/namei.c:3979 [inline]
 path_openat+0x306c/0x3830 fs/namei.c:4134
 do_filp_open+0x1fa/0x410 fs/namei.c:4161
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_creat fs/open.c:1530 [inline]
 __se_sys_creat fs/open.c:1524 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1524
 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: 0033:0x7f1b20b8efc9
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:00007f1b21a2d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f1b20de6090 RCX: 00007f1b20b8efc9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00002000000000c0
RBP: 00007f1b20c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1b20de6128 R14: 00007f1b20de6090 R15: 00007ffc053b4d68
 </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 41 34 77 fe 48 c7 c7 60 bc a4 8b 48 c7 c6 59 b8 a4 8b ba 11 02 00 00 48 c7 c1 a0 bc a4 8b e8 f2 b1 de 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:ffffc9000d33f660 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888051322800 RCX: 2dca4e3f38731a00
RDX: ffffc9000e8eb000 RSI: 0000000000001f89 RDI: 0000000000001f8a
RBP: ffffc900013fa872 R08: ffff88801fe24293 R09: 1ffff11003fc4852
R10: dffffc0000000000 R11: ffffed1003fc4853 R12: 1ffff9200027f513
R13: dffffc0000000000 R14: ffffc900013fa898 R15: 000000000000002c
FS:  00007f1b21a2d6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b21a4dfc8 CR3: 0000000042758000 CR4: 0000000000352ef0