EXT4-fs (loop5): mounting ext3 file system using the ext4 subsystem
EXT4-fs (loop5): 1 truncate cleaned up
EXT4-fs (loop5): 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: 0 PID: 9918 Comm: syz-executor.5 Not tainted 5.4.219-syzkaller-00012-ga8aad8851131 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ext4_xattr_set_entry+0x48e/0x37b0 fs/ext4/xattr.c:1603
Code: 24 70 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 2c f1 c0 ff 4c 8b 33 4c 89 f0 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 6c 2d 00 00 4c 89 e0 48 2b 44 24 08 48 89
RSP: 0018:ffff88819371f000 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88819371f3e0 RCX: 0000000000040000
RDX: ffffc900089a0000 RSI: 0000000000000806 RDI: 0000000000000807
RBP: ffff88819371f270 R08: ffffffff81d2bed8 R09: ffffed1032df70ae
R10: ffffed1032df70ae R11: 1ffff11032df70ad R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fb077cf5700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562cc94914e0 CR3: 00000001e5a31000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_xattr_ibody_set+0x71/0x290 fs/ext4/xattr.c:2244
 ext4_xattr_set_handle+0xbf7/0x14e0 fs/ext4/xattr.c:2401
 ext4_initxattrs+0xa1/0x110 fs/ext4/xattr_security.c:43
 security_inode_init_security+0x26c/0x3c0 security/security.c:1009
 __ext4_new_inode+0x3207/0x4140 fs/ext4/ialloc.c:1168
 ext4_create+0x253/0x5d0 fs/ext4/namei.c:2739
 lookup_open fs/namei.c:3309 [inline]
 do_last fs/namei.c:3401 [inline]
 path_openat+0x1ea2/0x3ea0 fs/namei.c:3614
 do_filp_open+0x208/0x450 fs/namei.c:3644
 do_sys_open+0x393/0x7e0 fs/open.c:1113
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace 7696434ae7219f47 ]---
RIP: 0010:ext4_xattr_set_entry+0x48e/0x37b0 fs/ext4/xattr.c:1603
Code: 24 70 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 2c f1 c0 ff 4c 8b 33 4c 89 f0 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 6c 2d 00 00 4c 89 e0 48 2b 44 24 08 48 89
RSP: 0018:ffff88819371f000 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88819371f3e0 RCX: 0000000000040000
RDX: ffffc900089a0000 RSI: 0000000000000806 RDI: 0000000000000807
RBP: ffff88819371f270 R08: ffffffff81d2bed8 R09: ffffed1032df70ae
R10: ffffed1032df70ae R11: 1ffff11032df70ad R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fb077cf5700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562cc94914e0 CR3: 00000001e5a31000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	24 70                	and    $0x70,%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 2c f1 c0 ff       	callq  0xffc0f14c
  20:	4c 8b 33             	mov    (%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 8a 04 38          	mov    (%rax,%r15,1),%al <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 6c 2d 00 00    	jne    0x2da2
  36:	4c 89 e0             	mov    %r12,%rax
  39:	48 2b 44 24 08       	sub    0x8(%rsp),%rax
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89