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linux/fs/smb/server/vfs.c
Namjae Jeon e148e567a9 ksmbd: preserve VFS inherited POSIX ACL mask 
The VFS initializes a child's POSIX ACL from the parent's default ACL and
the requested creation mode. Do not mutate the parent ACL or overwrite the
child's VFS-computed access and default ACLs afterwards.

This preserves restrictive ACL_MASK entries and prevents SMB object creation
from widening effective permissions.

Reported-by: Charles Vosburgh <trilobyte777@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2026-07-22 09:54:01 -05:00

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