syzbot

syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19280, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19280, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19281, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19281, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19282, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19282, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19283, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19283, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19284, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19284, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19285, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19285, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19286, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19286, async page read
syz.0.0: attempt to access beyond end of device
loop0: rw=0, sector=19287, nr_sectors = 1 limit=64
Buffer I/O error on dev loop0, logical block 19287, async page read
(syz.0.0,5325,0):ocfs2_truncate_file:461 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode)
(syz.0.0,5325,0):ocfs2_truncate_file:461 ERROR: Inode 16978, inode i_size = 913408 != di i_size = 909312, 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: 5325 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+0x1313/0x14e0 fs/ocfs2/file.c:455
Code: d7 12 8c 49 89 d8 4d 89 f9 50 41 54 e8 c6 cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 5c f8 ff ff 48 89 df e8
RSP: 0018:ffffc9000374f2e0 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: 0000000000004252 RCX: 1ffff920006e9e6c
RDX: ffffc90021003000 RSI: 0000000000018060 RDI: 0000000000018061
RBP: ffffc9000374f510 R08: ffffc9000374eee7 R09: 1ffff920006e9ddc
R10: dffffc0000000000 R11: fffff520006e9ddd R12: 00000000000de000
R13: ffff88801a9e542c R14: ffffc9000374f420 R15: 00000000000df000
FS:  00007f1c2e0406c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c2dfdcfe8 CR3: 000000001abd9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_setattr+0x15e5/0x1ca0 fs/ocfs2/file.c:1219
 notify_change+0xc1a/0xf40 fs/attr.c:556
 do_truncate+0x1c2/0x250 fs/open.c:68
 handle_truncate fs/namei.c:4307 [inline]
 do_open fs/namei.c:4703 [inline]
 path_openat+0x2f89/0x3860 fs/namei.c:4858
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1381
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c2d19cdd9
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:00007f1c2e03ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1c2d416090 RCX: 00007f1c2d19cdd9
RDX: 0000000000181242 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f1c2d232d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1c2d416128 R14: 00007f1c2d416090 R15: 00007ffe4ea1aa58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_file+0x1313/0x14e0 fs/ocfs2/file.c:455
Code: d7 12 8c 49 89 d8 4d 89 f9 50 41 54 e8 c6 cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 5c f8 ff ff 48 89 df e8
RSP: 0018:ffffc9000374f2e0 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: 0000000000004252 RCX: 1ffff920006e9e6c
RDX: ffffc90021003000 RSI: 0000000000018060 RDI: 0000000000018061
RBP: ffffc9000374f510 R08: ffffc9000374eee7 R09: 1ffff920006e9ddc
R10: dffffc0000000000 R11: fffff520006e9ddd R12: 00000000000de000
R13: ffff88801a9e542c R14: ffffc9000374f420 R15: 00000000000df000
FS:  00007f1c2e0406c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c2dfdcfe8 CR3: 000000001abd9000 CR4: 0000000000352ef0