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authorGünther Noack <gnoack3000@gmail.com>2022-10-18 21:22:06 +0300
committerMickaël Salaün <mic@digikod.net>2022-10-19 10:01:40 +0300
commit3350607dc5637be2563f484dcfe2fed456f3d4ff (patch)
treefda8bd79084e26e2062fec46370c1a572b0d187f /fs/namei.c
parent9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff)
downloadlinux-3350607dc5637be2563f484dcfe2fed456f3d4ff.tar.xz
security: Create file_truncate hook from path_truncate hook
Like path_truncate, the file_truncate hook also restricts file truncation, but is called in the cases where truncation is attempted on an already-opened file. This is required in a subsequent commit to handle ftruncate() operations differently to truncate() operations. Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: John Johansen <john.johansen@canonical.com> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Günther Noack <gnoack3000@gmail.com> Link: https://lore.kernel.org/r/20221018182216.301684-2-gnoack3000@gmail.com Signed-off-by: Mickaël Salaün <mic@digikod.net>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 578c2110df02..85e9b9cc5c38 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3211,7 +3211,7 @@ static int handle_truncate(struct user_namespace *mnt_userns, struct file *filp)
if (error)
return error;
- error = security_path_truncate(path);
+ error = security_file_truncate(filp);
if (!error) {
error = do_truncate(mnt_userns, path->dentry, 0,
ATTR_MTIME|ATTR_CTIME|ATTR_OPEN,