loop4: detected capacity change from 0 to 16
erofs (device loop4): mounted with root inode @ nid 36.
=====================================================
BUG: KMSAN: uninit-value in ovl_security_fileattr fs/overlayfs/inode.c:620 [inline]
BUG: KMSAN: uninit-value in ovl_real_fileattr_get fs/overlayfs/inode.c:704 [inline]
BUG: KMSAN: uninit-value in ovl_fileattr_get+0x5cd/0x650 fs/overlayfs/inode.c:723
 ovl_security_fileattr fs/overlayfs/inode.c:620 [inline]
 ovl_real_fileattr_get fs/overlayfs/inode.c:704 [inline]
 ovl_fileattr_get+0x5cd/0x650 fs/overlayfs/inode.c:723
 vfs_fileattr_get fs/file_attr.c:94 [inline]
 __do_sys_file_getattr fs/file_attr.c:412 [inline]
 __se_sys_file_getattr+0x634/0xad0 fs/file_attr.c:372
 __x64_sys_file_getattr+0xe4/0x150 fs/file_attr.c:372
 x64_sys_call+0x17cd/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:469
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 ovl_security_fileattr fs/overlayfs/inode.c:615 [inline]
 ovl_real_fileattr_get fs/overlayfs/inode.c:704 [inline]
 ovl_fileattr_get+0x5c6/0x650 fs/overlayfs/inode.c:723
 vfs_fileattr_get fs/file_attr.c:94 [inline]
 __do_sys_file_getattr fs/file_attr.c:412 [inline]
 __se_sys_file_getattr+0x634/0xad0 fs/file_attr.c:372
 __x64_sys_file_getattr+0xe4/0x150 fs/file_attr.c:372
 x64_sys_call+0x17cd/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:469
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable fa.i created at:
 __do_sys_file_getattr fs/file_attr.c:379 [inline]
 __se_sys_file_getattr+0x89/0xad0 fs/file_attr.c:372
 __x64_sys_file_getattr+0xe4/0x150 fs/file_attr.c:372

CPU: 1 UID: 0 PID: 6819 Comm: syz.4.207 Tainted: G             L      syzkaller #0 PREEMPT(voluntary) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
=====================================================