Messages in this thread Patch in this message | | | From | Andreas Gruenbacher <> | Subject | [PATCH] xattr handlers: plug a lock leak in simple_xattr_list | Date | Thu, 4 Feb 2016 08:54:17 +0100 |
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From: Mateusz Guzik <mguzik@redhat.com>
The code could leak xattrs->lock on error.
Problem introduced with 786534b92f3ce68f4 "tmpfs: listxattr should include POSIX ACL xattrs".
Signed-off-by: Mateusz Guzik <mguzik@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: <stable@vger.kernel.org> # 4.4
--- fs/xattr.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/xattr.c b/fs/xattr.c index 07d0e47..4861322 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -940,7 +940,7 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, bool trusted = capable(CAP_SYS_ADMIN); struct simple_xattr *xattr; ssize_t remaining_size = size; - int err; + int err = 0; #ifdef CONFIG_FS_POSIX_ACL if (inode->i_acl) { @@ -965,11 +965,11 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, err = xattr_list_one(&buffer, &remaining_size, xattr->name); if (err) - return err; + break; } spin_unlock(&xattrs->lock); - return size - remaining_size; + return err ? err : size - remaining_size; } /* -- 2.5.0
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