loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode.
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #17058: signature = NODE01
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.0.0,5332,0):ocfs2_assign_bh:2417 ERROR: status = -30
(syz.0.0,5332,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30
(syz.0.0,5332,0):ocfs2_inode_lock_tracker:2694 ERROR: status = -30
(syz.0.0,5332,0):ocfs2_xattr_get:1335 ERROR: status = -30
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:686!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5332 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:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x21c0/0x21d0 fs/ocfs2/alloc.c:7253
Code: 18 e8 a4 2c 89 fe e9 3a fc ff ff e8 4a e1 21 fe 44 89 fe 48 c7 c7 20 05 45 8e e8 ab 79 25 01 e9 45 fc ff ff e8 31 e1 21 fe 90 <0f> 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
RSP: 0018:ffffc9000d296fe0 EFLAGS: 00010293
RAX: ffffffff839e322f RBX: ffff888042b16bc8 RCX: ffff8880001f2480
RDX: 0000000000000000 RSI: 0000000000001300 RDI: 0000000000000004
RBP: ffffc9000d297310 R08: ffffc9000d2971cf R09: 0000000000000000
R10: ffffc9000d2971c0 R11: fffff52001a52e3a R12: dffffc0000000000
R13: 1ffff92001a52e1c R14: 0000000000001300 R15: 1ffff1100983a498
FS:  00007f3b70d0a6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6dea68000 CR3: 000000001192c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_truncate_file+0xca2/0x1420 fs/ocfs2/file.c:509
 ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212
 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_open fs/open.c:1460 [inline]
 __se_sys_open fs/open.c:1456 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1456
 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: 0033:0x7f3b6fd8f749
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:00007f3b70d0a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f3b6ffe5fa0 RCX: 00007f3b6fd8f749
RDX: 0000000000000111 RSI: 000000000014937e RDI: 0000200000000180
RBP: 00007f3b6fe13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3b6ffe6038 R14: 00007f3b6ffe5fa0 R15: 00007ffcd6186c98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x21c0/0x21d0 fs/ocfs2/alloc.c:7253
Code: 18 e8 a4 2c 89 fe e9 3a fc ff ff e8 4a e1 21 fe 44 89 fe 48 c7 c7 20 05 45 8e e8 ab 79 25 01 e9 45 fc ff ff e8 31 e1 21 fe 90 <0f> 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
RSP: 0018:ffffc9000d296fe0 EFLAGS: 00010293
RAX: ffffffff839e322f RBX: ffff888042b16bc8 RCX: ffff8880001f2480
RDX: 0000000000000000 RSI: 0000000000001300 RDI: 0000000000000004
RBP: ffffc9000d297310 R08: ffffc9000d2971cf R09: 0000000000000000
R10: ffffc9000d2971c0 R11: fffff52001a52e3a R12: dffffc0000000000
R13: 1ffff92001a52e1c R14: 0000000000001300 R15: 1ffff1100983a498
FS:  00007f3b70d0a6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6dea68000 CR3: 000000001192c000 CR4: 0000000000352ef0