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android: fix OOB write in uv_interface_addresses()

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PR-URL: https://github.com/libuv/libuv/pull/2767
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
This commit is contained in:
Lin Zhang 2020-04-06 12:48:32 +02:00 committed by Ben Noordhuis
parent 335e8a6d12
commit 7656e981b6
1 changed files with 2 additions and 1 deletions
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3
src/unix/android-ifaddrs.c
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@ -470,13 +470,14 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
{
case IFA_ADDRESS:
case IFA_LOCAL:
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
if((l_info->ifa_family == AF_INET || l_info->ifa_family == AF_INET6) && !l_addedNetmask)
{
/* Make room for netmask */
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
l_addedNetmask = 1;
}
break;
break;
case IFA_BROADCAST:
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
break;