EXT4-fs (loop0): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000080,quota,auto_da_alloc=0x0000000000000800,max_batch_time=0x0000000000000008,noload,usrjquota=,,errors=continue
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 327 Comm: syz-executor.0 Not tainted 5.4.233-syzkaller-00018-g8a14194b61da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:ext4_xattr_set_entry+0x482/0x3820 fs/ext4/xattr.c:1622
Code: 24 58 48 89 d8 48 c1 e8 03 48 89 84 24 08 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 b8 06 c2 ff 4c 8b 23 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 b9 2d 00 00 4c 89 e8 48 2b 44 24 08 48
RSP: 0018:ffff8881f0faf020 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881f0faf400 RCX: ffff8881f32e0fc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001c
RBP: ffff8881f0faf2a0 R08: ffffffff81ceb9dc R09: ffffed103cd96523
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000001c R15: dffffc0000000000
FS:  00007f84ce1c6700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84ce76f000 CR3: 00000001f2ecb000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_xattr_ibody_set+0x75/0x2a0 fs/ext4/xattr.c:2259
 ext4_xattr_set_handle+0xbfd/0x14b0 fs/ext4/xattr.c:2416
 ext4_initxattrs+0x9f/0x110 fs/ext4/xattr_security.c:43
 security_inode_init_security+0x252/0x390 security/security.c:1009
 __ext4_new_inode+0x2fb9/0x3f10 fs/ext4/ialloc.c:1168
 ext4_create+0x255/0x5b0 fs/ext4/namei.c:2747
 lookup_open fs/namei.c:3309 [inline]
 do_last fs/namei.c:3401 [inline]
 path_openat+0x181b/0x3480 fs/namei.c:3614
 do_filp_open+0x20b/0x450 fs/namei.c:3644
 do_sys_open+0x39c/0x810 fs/open.c:1113
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace fe05bbd8d9c8d00f ]---
RIP: 0010:ext4_xattr_set_entry+0x482/0x3820 fs/ext4/xattr.c:1622
Code: 24 58 48 89 d8 48 c1 e8 03 48 89 84 24 08 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 b8 06 c2 ff 4c 8b 23 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 b9 2d 00 00 4c 89 e8 48 2b 44 24 08 48
RSP: 0018:ffff8881f0faf020 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881f0faf400 RCX: ffff8881f32e0fc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001c
RBP: ffff8881f0faf2a0 R08: ffffffff81ceb9dc R09: ffffed103cd96523
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000001c R15: dffffc0000000000
FS:  00007f84ce1c6700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84ce76f000 CR3: 00000001f2ecb000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	24 58                	and    $0x58,%al
   2:	48 89 d8             	mov    %rbx,%rax
   5:	48 c1 e8 03          	shr    $0x3,%rax
   9:	48 89 84 24 08 01 00 	mov    %rax,0x108(%rsp)
  10:	00
  11:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  16:	74 08                	je     0x20
  18:	48 89 df             	mov    %rbx,%rdi
  1b:	e8 b8 06 c2 ff       	callq  0xffc206d8
  20:	4c 8b 23             	mov    (%rbx),%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 b9 2d 00 00    	jne    0x2df0
  37:	4c 89 e8             	mov    %r13,%rax
  3a:	48 2b 44 24 08       	sub    0x8(%rsp),%rax
  3f:	48                   	rex.W