EXT4-fs error (device loop0): ext4_xattr_ibody_get:681: inode #18: comm syz-executor.0: corrupted in-inode xattr: bad magic number in in-inode xattr
EXT4-fs error (device loop0): ext4_xattr_ibody_get:683: inode #18: comm syz-executor.0: xattr_check_inode returns -117
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WARNING: CPU: 0 PID: 5401 at fs/ext4/xattr.c:684 ext4_xattr_ibody_get+0x2be/0x780 fs/ext4/xattr.c:683
Modules linked in:
CPU: 0 PID: 5401 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00013-g3b217639bd26-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:ext4_xattr_ibody_get+0x2be/0x780 fs/ext4/xattr.c:684
Code: 3e ff 48 8b 7c 24 10 48 c7 c6 70 f0 84 8c ba ab 02 00 00 31 c9 45 31 c0 49 c7 c1 60 d1 fd 8a 41 56 e8 36 64 fc ff 48 83 c4 08 <0f> 0b 48 8b 44 24 50 42 80 3c 20 00 74 08 48 89 df e8 7c ec 95 ff
RSP: 0018:ffffc900048a75e0 EFLAGS: 00010292
RAX: e450bee5393ebb00 RBX: ffffc900048a7660 RCX: ffff88807ab38000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900048a7700 R08: ffffffff82496f2d R09: ffffed100e9a043b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000914ec8 R14: 00000000ffffff8b R15: ffff8880214b21a4
FS:  00007fb4e9ba4700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b29512f048 CR3: 0000000071600000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_get+0x131/0x840 fs/ext4/xattr.c:742
 __vfs_getxattr+0x436/0x470 fs/xattr.c:424
 cap_inode_need_killpriv+0x45/0x60 security/commoncap.c:301
 security_inode_need_killpriv+0x61/0x90 security/security.c:2329
 dentry_needs_remove_privs fs/inode.c:1967 [inline]
 __file_remove_privs+0x252/0x640 fs/inode.c:1998
 file_modified_flags+0x106/0x480 fs/inode.c:2117
 ext4_write_checks+0x24a/0x2c0 fs/ext4/file.c:268
 ext4_buffered_write_iter+0xbd/0x3a0 fs/ext4/file.c:284
 ext4_file_write_iter+0x1d6/0x1930
 call_write_iter include/linux/fs.h:1868 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x790/0xb20 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb4e8e8c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4e9ba4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb4e8fabf80 RCX: 00007fb4e8e8c0f9
RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007fb4e8ee7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff076ead3f R14: 00007fb4e9ba4300 R15: 0000000000022000
 </TASK>