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Code Issues Releases Wiki Activity

landlock: opened file never has a negative dentry

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Reviewed-by: Christian Brauner <brauner@kernel.org>
Acked-by: Mickaël Salaün <mic@digikod.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro 2025-05-27 22:39:51 -04:00
parent 19272b37aa
commit d1832e648d
1 changed files with 0 additions and 1 deletions
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security/landlock/syscalls.c
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@ -303,7 +303,6 @@ static int get_path_from_fd(const s32 fd, struct path *const path)
if ((fd_file(f)->f_op == &ruleset_fops) ||
(fd_file(f)->f_path.mnt->mnt_flags & MNT_INTERNAL) ||
(fd_file(f)->f_path.dentry->d_sb->s_flags & SB_NOUSER) ||
d_is_negative(fd_file(f)->f_path.dentry) ||
IS_PRIVATE(d_backing_inode(fd_file(f)->f_path.dentry)))
return -EBADFD;