| Submitter | Lukas Czerner |
|---|---|
| Date | March 21, 2011, 10:13 a.m. |
| Message ID | <1300702421-4774-1-git-send-email-lczerner@redhat.com> |
| Download | mbox | patch |
| Permalink | /patch/87734/ |
| State | Accepted |
| Headers | show |
Comments
On Mon, Mar 21, 2011 at 11:13:41AM +0100, Lukas Czerner wrote: > In ext2fs_alloc_generic_bmap() error path, when new bitmap allocation > fails ext2fs_generic_bitmap should be freed, however in current state it > first frees ext2fs_generic_bitmap and then > ext2fs_generic_bitmap->description which is wrong. This commit fix the > free ordering. > > Signed-off-by: Lukas Czerner <lczerner@redhat.com> This was actually pulled into e2fsprogs a while back, but it looks like I forgot to send an e-mail ack (or mark it as accepted in patchwork). So I'm fixing that oversight now. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Patch
diff --git a/lib/ext2fs/gen_bitmap64.c b/lib/ext2fs/gen_bitmap64.c index df095ac..8b9e4c5 100644 --- a/lib/ext2fs/gen_bitmap64.c +++ b/lib/ext2fs/gen_bitmap64.c @@ -129,8 +129,8 @@ errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, retval = bitmap->bitmap_ops->new_bmap(fs, bitmap); if (retval) { - ext2fs_free_mem(&bitmap); ext2fs_free_mem(&bitmap->description); + ext2fs_free_mem(&bitmap); return retval; }
In ext2fs_alloc_generic_bmap() error path, when new bitmap allocation fails ext2fs_generic_bitmap should be freed, however in current state it first frees ext2fs_generic_bitmap and then ext2fs_generic_bitmap->description which is wrong. This commit fix the free ordering. Signed-off-by: Lukas Czerner <lczerner@redhat.com> --- lib/ext2fs/gen_bitmap64.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)