loop0: detected capacity change from 32768 to 0
(syz.0.0,5323,0):ocfs2_truncate_file:461 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode)
(syz.0.0,5323,0):ocfs2_truncate_file:461 ERROR: Inode 17058, inode i_size = 1048576 != di i_size = 983040, i_flags = 0x2001
------------[ cut here ]------------
kernel BUG at fs/ocfs2/file.c:461!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5323 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:ocfs2_truncate_file+0x135e/0x1530 fs/ocfs2/file.c:455
Code: 49 13 8c 49 89 d8 4d 89 f1 50 41 54 e8 7b cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 f8 ff ff 48 89 df e8
RSP: 0018:ffffc90006b3f780 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: 00000000000042a2 RCX: 1ffff92000d67f00
RDX: ffffc90020001000 RSI: 0000000000001361 RDI: 0000000000001362
RBP: ffffc90006b3f9b0 R08: ffffc90006b3f387 R09: 1ffff92000d67e70
R10: dffffc0000000000 R11: fffff52000d67e71 R12: 00000000000f0000
R13: ffff88801341042c R14: 0000000000100000 R15: ffffc90006b3f8c0
FS:  00007fdc2e9d76c0(0000) GS:ffff88808c848000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc2dd87a88 CR3: 000000001202f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_setattr+0x1641/0x1d10 fs/ocfs2/file.c:1219
 notify_change+0xbba/0xea0 fs/attr.c:556
 do_truncate+0x1c2/0x250 fs/open.c:68
 do_ftruncate+0x4d4/0x580 fs/open.c:194
 ksys_ftruncate fs/open.c:206 [inline]
 __do_sys_ftruncate fs/open.c:211 [inline]
 __se_sys_ftruncate fs/open.c:209 [inline]
 __x64_sys_ftruncate+0x8f/0xe0 fs/open.c:209
 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: 0033:0x7fdc2db9ce59
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:00007fdc2e9d6fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fdc2de16090 RCX: 00007fdc2db9ce59
RDX: 0000000000000000 RSI: 0000000000010001 RDI: 0000000000000004
RBP: 00007fdc2dc32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdc2de16128 R14: 00007fdc2de16090 R15: 00007ffef821bb68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_file+0x135e/0x1530 fs/ocfs2/file.c:455
Code: 49 13 8c 49 89 d8 4d 89 f1 50 41 54 e8 7b cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 f8 ff ff 48 89 df e8
RSP: 0018:ffffc90006b3f780 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: 00000000000042a2 RCX: 1ffff92000d67f00
RDX: ffffc90020001000 RSI: 0000000000001361 RDI: 0000000000001362
RBP: ffffc90006b3f9b0 R08: ffffc90006b3f387 R09: 1ffff92000d67e70
R10: dffffc0000000000 R11: fffff52000d67e71 R12: 00000000000f0000
R13: ffff88801341042c R14: 0000000000100000 R15: ffffc90006b3f8c0
FS:  00007fdc2e9d76c0(0000) GS:ffff88808c848000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc2dd87a88 CR3: 000000001202f000 CR4: 0000000000352ef0