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.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/ocfs2/xattr.c:1985:3
index 3 is out of range for type 'struct ocfs2_xattr_entry[] __counted_by(xh_count)' (aka 'struct ocfs2_xattr_entry[]')
CPU: 0 UID: 0 PID: 5339 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
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xe9/0xf0 lib/ubsan.c:455
 ocfs2_xa_remove_entry+0x36d/0x3e0 fs/ocfs2/xattr.c:1985
 ocfs2_xa_remove fs/ocfs2/xattr.c:2073 [inline]
 ocfs2_xa_set+0xaf4/0x2a70 fs/ocfs2/xattr.c:2277
 ocfs2_xattr_block_set+0x3ca/0x31b0 fs/ocfs2/xattr.c:3015
 __ocfs2_xattr_set_handle+0x27e/0xf20 fs/ocfs2/xattr.c:-1
 ocfs2_xattr_set+0xde8/0x11f0 fs/ocfs2/xattr.c:3680
 __vfs_removexattr+0x431/0x470 fs/xattr.c:518
 cap_inode_killpriv+0x24/0x50 security/commoncap.c:355
 security_inode_killpriv+0x93/0x290 security/security.c:2177
 setattr_prepare+0x1f7/0xac0 fs/attr.c:219
 ocfs2_setattr+0x49e/0x1bb0 fs/ocfs2/file.c:1154
 notify_change+0xc1a/0xf40 fs/attr.c:546
 do_truncate+0x1a4/0x220 fs/open.c:68
 handle_truncate fs/namei.c:4235 [inline]
 do_open fs/namei.c:4632 [inline]
 path_openat+0x359d/0x3dd0 fs/namei.c:4787
 do_filp_open+0x1fa/0x410 fs/namei.c:4814
 do_sys_openat2+0x121/0x200 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f07aef8f7c9
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:00007f07afe7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f07af1e5fa0 RCX: 00007f07aef8f7c9
RDX: 0000000000101740 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f07af013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000179 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f07af1e6038 R14: 00007f07af1e5fa0 R15: 00007ffe0a1cad68
 </TASK>
---[ end trace ]---