stuartl/linux-mainline
1
0
Fork 0
mirror of https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux synced 2025-09-29 12:19:07 +10:00
Code Issues Releases Wiki Activity

fs/xattr: Fix handling of AT_FDCWD in setxattrat(2) and getxattrat(2)

Browse Source 
Currently, setxattrat(2) and getxattrat(2) are wrongly handling the
calls of the from setxattrat(AF_FDCWD, NULL, AT_EMPTY_PATH, ...) and
fail with -EBADF error instead of operating on CWD. Fix it.

Fixes: 6140be90ec ("fs/xattr: add *at family syscalls")
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/20250424132246.16822-2-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara 2025-04-24 15:22:47 +02:00 committed by Christian Brauner
parent 1d28f25d6a
commit f520bed25d
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xattr.c
View File

@ -703,7 +703,7 @@ static int path_setxattrat(int dfd, const char __user *pathname,
return error;
filename = getname_maybe_null(pathname, at_flags);
if (!filename) {
if (!filename && dfd >= 0) {
CLASS(fd, f)(dfd);
if (fd_empty(f))
error = -EBADF;
@ -847,7 +847,7 @@ static ssize_t path_getxattrat(int dfd, const char __user *pathname,
return error;
filename = getname_maybe_null(pathname, at_flags);
if (!filename) {
if (!filename && dfd >= 0) {
CLASS(fd, f)(dfd);
if (fd_empty(f))
return -EBADF;