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 ]------------
memmove: detected buffer overflow: 32 byte read of buffer size 16
WARNING: lib/string_helpers.c:1036 at __fortify_report+0x6b/0xa0 lib/string_helpers.c:1035, CPU#0: syz.0.0/5346
Modules linked in:
CPU: 0 UID: 0 PID: 5346 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:__fortify_report+0x89/0xa0 lib/string_helpers.c:1035
Code: e8 2c b6 98 fd 48 8d 3d 65 a5 fc 0a 45 84 e4 49 8b 37 48 c7 c0 a0 ed bf 8b 48 c7 c1 c0 ed bf 8b 48 0f 44 c8 4c 89 f2 49 89 d8 <67> 48 0f b9 3a 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc900092f65f8 EFLAGS: 00010246
RAX: ffffffff8bbfeda0 RBX: 0000000000000010 RCX: ffffffff8bbfeda0
RDX: 0000000000000020 RSI: ffffffff8bbfeca0 RDI: ffffffff8f8c9f70
RBP: 0000000000000012 R08: 0000000000000010 R09: 0000000000000000
R10: ffff888056745590 R11: ffffed100ace8ab6 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000020 R15: ffffffff8bbfeaa8
FS:  00007fc57c24e6c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc56f200000 CR3: 000000004408a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __fortify_panic+0x9/0x10 lib/string_helpers.c:1042
 fortify_memcpy_chk include/linux/fortify-string.h:599 [inline]
 ocfs2_xa_remove_entry+0x304/0x3e0 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: 0033:0x7fc57b38f7c9
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:00007fc57c24e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc57b5e5fa0 RCX: 00007fc57b38f7c9
RDX: 0000000000101740 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fc57b413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000179 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc57b5e6038 R14: 00007fc57b5e5fa0 R15: 00007ffd3357af78
 </TASK>
----------------
Code disassembly (best guess):
   0:	e8 2c b6 98 fd       	call   0xfd98b631
   5:	48 8d 3d 65 a5 fc 0a 	lea    0xafca565(%rip),%rdi        # 0xafca571
   c:	45 84 e4             	test   %r12b,%r12b
   f:	49 8b 37             	mov    (%r15),%rsi
  12:	48 c7 c0 a0 ed bf 8b 	mov    $0xffffffff8bbfeda0,%rax
  19:	48 c7 c1 c0 ed bf 8b 	mov    $0xffffffff8bbfedc0,%rcx
  20:	48 0f 44 c8          	cmove  %rax,%rcx
  24:	4c 89 f2             	mov    %r14,%rdx
  27:	49 89 d8             	mov    %rbx,%r8
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	5b                   	pop    %rbx
  30:	41 5c                	pop    %r12
  32:	41 5e                	pop    %r14
  34:	41 5f                	pop    %r15
  36:	5d                   	pop    %rbp
  37:	c3                   	ret
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3