loop0: detected capacity change from 0 to 1024
=======================================================
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.
=======================================================
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
BUG: unable to handle page fault for address: ffffed102a27ccfd
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 5ffcd067 P4D 5ffcd067 PUD 2fff7067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5319 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:bytes_is_nonzero mm/kasan/generic.c:98 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:119 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline]
RIP: 0010:kasan_check_range+0xbe/0x2c0 mm/kasan/generic.c:200
Code: cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd 83 e5 07 0f 84 b5 00 00 00 <41> 80 3b 00 4d 89 dc 0f 85 75 01 00 00 83 fd 07 0f 84 8d 00 00 00
RSP: 0018:ffffc9000d3b73c0 EFLAGS: 00010206
RAX: 0000000000000001 RBX: dffffc0000000001 RCX: ffffffff828a507e
RDX: 0000000000000001 RSI: 000000000000fbff RDI: ffff8881513e67ec
RBP: 0000000000000005 R08: ffff8881513f63ea R09: 1ffff1102a27ec7d
R10: dffffc0000000000 R11: ffffed102a27ccfd R12: 0000000000001f81
R13: dffffc0000000000 R14: ffffed102a27ec7e R15: 1ffff1102a27ccfd
FS:  00007ff4aceae6c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102a27ccfd CR3: 000000000b551000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __asan_memmove+0x40/0x70 mm/kasan/shadow.c:95
 ext4_xattr_set_entry+0x179e/0x1e20 fs/ext4/xattr.c:1735
 ext4_xattr_block_set+0x61b/0x2ac0 fs/ext4/xattr.c:1956
 ext4_xattr_set_handle+0xdfb/0x1590 fs/ext4/xattr.c:2452
 ext4_xattr_set+0x230/0x320 fs/ext4/xattr.c:2554
 __vfs_setxattr+0x43c/0x480 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234
 vfs_setxattr+0x16b/0x2f0 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x274/0x600 fs/xattr.c:665
 path_setxattrat+0x364/0x3a0 fs/xattr.c:713
 __do_sys_lsetxattr fs/xattr.c:754 [inline]
 __se_sys_lsetxattr fs/xattr.c:750 [inline]
 __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750
 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: 0033:0x7ff4abf8f6c9
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:00007ff4aceae038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007ff4ac1e5fa0 RCX: 00007ff4abf8f6c9
RDX: 0000200000000000 RSI: 00002000000000c0 RDI: 0000200000000100
RBP: 00007ff4ac011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fe37 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff4ac1e6038 R14: 00007ff4ac1e5fa0 R15: 00007ffd5f11e188
 </TASK>
Modules linked in:
CR2: ffffed102a27ccfd
---[ end trace 0000000000000000 ]---
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:98 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:119 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline]
RIP: 0010:kasan_check_range+0xbe/0x2c0 mm/kasan/generic.c:200
Code: cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd 83 e5 07 0f 84 b5 00 00 00 <41> 80 3b 00 4d 89 dc 0f 85 75 01 00 00 83 fd 07 0f 84 8d 00 00 00
RSP: 0018:ffffc9000d3b73c0 EFLAGS: 00010206
RAX: 0000000000000001 RBX: dffffc0000000001 RCX: ffffffff828a507e
RDX: 0000000000000001 RSI: 000000000000fbff RDI: ffff8881513e67ec
RBP: 0000000000000005 R08: ffff8881513f63ea R09: 1ffff1102a27ec7d
R10: dffffc0000000000 R11: ffffed102a27ccfd R12: 0000000000001f81
R13: dffffc0000000000 R14: ffffed102a27ec7e R15: 1ffff1102a27ccfd
FS:  00007ff4aceae6c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102a27ccfd CR3: 000000000b551000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	cb                   	lret
   1:	48 f7 d3             	not    %rbx
   4:	4c 01 fb             	add    %r15,%rbx
   7:	41 80 3b 00          	cmpb   $0x0,(%r11)
   b:	0f 85 de 01 00 00    	jne    0x1ef
  11:	49 ff c3             	inc    %r11
  14:	48 ff c3             	inc    %rbx
  17:	75 ee                	jne    0x7
  19:	e9 21 01 00 00       	jmp    0x13f
  1e:	44 89 dd             	mov    %r11d,%ebp
  21:	83 e5 07             	and    $0x7,%ebp
  24:	0f 84 b5 00 00 00    	je     0xdf
* 2a:	41 80 3b 00          	cmpb   $0x0,(%r11) <-- trapping instruction
  2e:	4d 89 dc             	mov    %r11,%r12
  31:	0f 85 75 01 00 00    	jne    0x1ac
  37:	83 fd 07             	cmp    $0x7,%ebp
  3a:	0f 84 8d 00 00 00    	je     0xcd