Package: libnet1
Version: 1.1.2.1-2
Severity: important
Tags: patch
While investigating 418975 I notices that libnet_pblock_coalesce() will
leak l if an error is encountered. I'm not sure how widespread this
problem is in libnet. But in this case the fix is simple enough.
Index: libnet-1.1.2.1-wip/src/libnet_pblock.c
===================================================================
--- libnet-1.1.2.1-wip.orig/src/libnet_pblock.c 2007-04-13 14:47:17.000000000
+0900
+++ libnet-1.1.2.1-wip/src/libnet_pblock.c 2007-04-13 14:47:19.000000000
+0900
@@ -339,7 +339,7 @@
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): packet assembly cannot find a layer 2 header\n",
__func__);
- return (-1);
+ goto err;
}
break;
case LIBNET_RAW4:
@@ -348,7 +348,7 @@
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): packet assembly cannot find an IPv4 header\n",
__func__);
- return (-1);
+ goto err;
}
break;
case LIBNET_RAW6:
@@ -357,7 +357,7 @@
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): packet assembly cannot find an IPv6 header\n",
__func__);
- return (-1);
+ goto err;
}
break;
default:
@@ -365,7 +365,7 @@
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): suddenly the dungeon collapses -- you die\n",
__func__);
- return (-1);
+ goto err;
break;
}
}
@@ -419,6 +419,10 @@
*size -= l->aligner;
}
return (1);
+
+err:
+ free(packet);
+ return (-1);
}
void
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (190, 'unstable'), (180, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.18-4-686 (SMP w/2 CPU cores)
Locale: LANG=ja_JP.utf8, LC_CTYPE=ja_JP.utf8 (charmap=UTF-8) (ignored: LC_ALL
set to ja_JP.utf8)
Shell: /bin/sh linked to /bin/bash
Versions of packages libnet1 depends on:
ii libc6 2.3.6.ds1-13 GNU C Library: Shared libraries
libnet1 recommends no packages.
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