From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Date: Thu, 27 Jun 2024 16:25:07 +0000 (+0300)
Subject: hw/core/loader: gunzip(): fix memory leak on error path
X-Git-Tag: qemu-xen-4.20.0~96^2
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=f22855dffdbc2906f744b5bcfea869cbb66b8fb2;p=qemu-xen.git

hw/core/loader: gunzip(): fix memory leak on error path

We should call inflateEnd() like on success path to cleanup state in s
variable.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/hw/core/loader.c b/hw/core/loader.c
index 2f8105d7de..a3bea1e718 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -610,6 +610,7 @@ ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, size_t srclen)
     r = inflate(&s, Z_FINISH);
     if (r != Z_OK && r != Z_STREAM_END) {
         printf ("Error: inflate() returned %d\n", r);
+        inflateEnd(&s);
         return -1;
     }
     dstbytes = s.next_out - (unsigned char *) dst;