When setting attributes via XFS_IOC_ATTRMULTI_BY_HANDLE, the user-space buffer is copied into a new kernel-space buffer via memdup_user; that buffer then isn't freed.
Signed-off-by: Andreas Gruenbacher <agrue...@redhat.com> Reviewed-by: Dave Chinner <dchin...@redhat.com> Signed-off-by: Dave Chinner <da...@fromorbit.com> --- fs/xfs/xfs_ioctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index ea7d85a..e939c20 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -482,6 +482,7 @@ xfs_attrmulti_attr_set( __uint32_t flags) { unsigned char *kbuf; + int error; if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return -EPERM; @@ -492,7 +493,9 @@ xfs_attrmulti_attr_set( if (IS_ERR(kbuf)) return PTR_ERR(kbuf); - return xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); + error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); + kfree(kbuf); + return error; } int -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html