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sd-dhcp-lease: fix an infinite loop found by the fuzzer

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This commit is contained in:
Evgeny Vereshchagin 2022-01-29 02:08:39 +00:00
parent 4158af3651
commit 86b06c666b
1 changed files with 2 additions and 4 deletions
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6
src/libsystemd-network/sd-dhcp-lease.c
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@ -492,10 +492,8 @@ static int lease_parse_routes(
route->option = SD_DHCP_OPTION_STATIC_ROUTE;
r = in4_addr_default_prefixlen((struct in_addr*) option, &route->dst_prefixlen);
if (r < 0) {
log_debug("Failed to determine destination prefix length from class based IP, ignoring");
continue;
}
if (r < 0)
return -EINVAL;
assert_se(lease_parse_be32(option, 4, &addr.s_addr) >= 0);
route->dst_addr = inet_makeaddr(inet_netof(addr), 0);