SELinux: inode_doinit_use_xattr:  getxattr returned 117 for dev=loop6 ino=15
==================================================================
BUG: KCSAN: data-race in touch_atime / touch_atime

write to 0xffff88811a22ca18 of 8 bytes by task 16672 on cpu 0:
 inode_set_atime_to_ts include/linux/fs.h:1686 [inline]
 inode_update_timestamps fs/inode.c:2034 [inline]
 generic_update_time fs/inode.c:2056 [inline]
 inode_update_time fs/inode.c:2076 [inline]
 touch_atime+0x1d2/0x340 fs/inode.c:2148
 pick_link+0x747/0x830 fs/namei.c:1914
 step_into+0x7b6/0x820 fs/namei.c:1999
 open_last_lookups fs/namei.c:3834 [inline]
 path_openat+0x13e8/0x2170 fs/namei.c:4043
 do_filp_open+0x109/0x230 fs/namei.c:4073
 do_sys_openat2+0xa6/0x110 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_openat fs/open.c:1466 [inline]
 __se_sys_openat fs/open.c:1461 [inline]
 __x64_sys_openat+0xf2/0x120 fs/open.c:1461
 x64_sys_call+0x2e9c/0x2ff0 arch/x86/include/generated/asm/syscalls_64.h:258
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88811a22ca18 of 8 bytes by task 16671 on cpu 1:
 inode_get_atime_sec include/linux/fs.h:1667 [inline]
 inode_get_atime include/linux/fs.h:1677 [inline]
 inode_update_timestamps fs/inode.c:2031 [inline]
 generic_update_time fs/inode.c:2056 [inline]
 inode_update_time fs/inode.c:2076 [inline]
 touch_atime+0x16a/0x340 fs/inode.c:2148
 pick_link+0x747/0x830 fs/namei.c:1914
 step_into+0x7b6/0x820 fs/namei.c:1999
 open_last_lookups fs/namei.c:3834 [inline]
 path_openat+0x13e8/0x2170 fs/namei.c:4043
 do_filp_open+0x109/0x230 fs/namei.c:4073
 do_sys_openat2+0xa6/0x110 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_openat fs/open.c:1466 [inline]
 __se_sys_openat fs/open.c:1461 [inline]
 __x64_sys_openat+0xf2/0x120 fs/open.c:1461
 x64_sys_call+0x2e9c/0x2ff0 arch/x86/include/generated/asm/syscalls_64.h:258
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x00000000637cf1f7 -> 0x00000000689b4e84

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 16671 Comm: syz.6.4709 Not tainted 6.17.0-rc1-syzkaller-00004-g53e760d89498 #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
==================================================================
EXT4-fs error (device loop6): ext4_xattr_block_get:593: inode #15: comm syz.6.4709: corrupted xattr block 33: e_value out of bounds
SELinux: inode_doinit_use_xattr:  getxattr returned 117 for dev=loop6 ino=15