On Thu, Jun 5, 2025 at 12:49 PM Stephen Smalley
<stephen.smalley.w...@gmail.com> wrote:
>
> commit 8b0ba61df5a1 ("fs/xattr.c: fix simple_xattr_list to always
> include security.* xattrs") failed to reset err after the call to
> security_inode_listsecurity(), which returns the length of the
> returned xattr name. This results in simple_xattr_list() incorrectly
> returning this length even if a POSIX acl is also set on the inode.
>
> Reported-by: Collin Funk <collin.fu...@gmail.com>
> Closes: https://lore.kernel.org/selinux/8734ceal7q....@gmail.com/
> Reported-by: Paul Eggert <egg...@cs.ucla.edu>
> Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2369561
> Fixes: 8b0ba61df5a1 ("fs/xattr.c: fix simple_xattr_list to always include
> security.* xattrs")
>
> Signed-off-by: Stephen Smalley <stephen.smalley.w...@gmail.com>
> ---
> fs/xattr.c | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Paul Moore <p...@paul-moore.com>
> diff --git a/fs/xattr.c b/fs/xattr.c
> index 8ec5b0204bfd..600ae97969cf 100644
> --- a/fs/xattr.c
> +++ b/fs/xattr.c
> @@ -1479,6 +1479,7 @@ ssize_t simple_xattr_list(struct inode *inode, struct
> simple_xattrs *xattrs,
> buffer += err;
> }
> remaining_size -= err;
> + err = 0;
>
> read_lock(&xattrs->lock);
> for (rbp = rb_first(&xattrs->rb_root); rbp; rbp = rb_next(rbp)) {
> --
> 2.49.0
--
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