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List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/28/19 3:53 PM, Max Reitz wrote: > img_rebase() can leak a QDict in two occasions. Fix it. > > Coverity: CID 1401416 > Fixes: d16699b64671466b42079c45b89127aeea1ca565 > Fixes: 330c72957196e0ae382abcaa97ebf4eb9bc8574f > Signed-off-by: Max Reitz > --- > qemu-img.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/qemu-img.c b/qemu-img.c > index b0535919b1..86e1923acf 100644 > --- a/qemu-img.c > +++ b/qemu-img.c > @@ -3347,6 +3347,7 @@ static int img_rebase(int argc, char **argv) > out_baseimg, > &local_err); > if (local_err) { > + qobject_unref(options); > error_reportf_err(local_err, > "Could not resolve backing filename: "); > ret = -1; > @@ -3359,7 +3360,9 @@ static int img_rebase(int argc, char **argv) > */ > prefix_chain_bs = bdrv_find_backing_image(bs, out_real_path); > if (prefix_chain_bs) { > + qobject_unref(options); > g_free(out_real_path); > + > blk_new_backing = blk_new(BLK_PERM_CONSISTENT_READ, > BLK_PERM_ALL); > ret = blk_insert_bs(blk_new_backing, prefix_chain_bs, > I was going to ask about the other branch after this one, but: "The reference to the QDict belongs to the block layer after the call (even on failure)" "Oh, well... OK." Reviewed-by: John Snow