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authorAl Viro <viro@zeniv.linux.org.uk>2025-05-27 22:39:51 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 18:35:52 +0200
commit7db56b3a97ecc446b92a20155b84be258c03f83d (patch)
tree7ebeb0f23981db557462b3c69b46ca98d2a5ef5d
parentc66239b7f0654256bda2020f94caa27542e232f1 (diff)
landlock: opened file never has a negative dentry
[ Upstream commit d1832e648d2be564e4b5e357f94d0f33156590dc ] Reviewed-by: Christian Brauner <brauner@kernel.org> Acked-by: Mickaël Salaün <mic@digikod.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--security/landlock/syscalls.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/security/landlock/syscalls.c b/security/landlock/syscalls.c
index 33eafb71e4f3..0116e9f93ffe 100644
--- a/security/landlock/syscalls.c
+++ b/security/landlock/syscalls.c
@@ -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;