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| author |   Evgeny Vereshchagin <evvers@ya.ru> | 2022-01-29 02:08:39 +0000 |
|---|---|---|
| committer | Evgeny Vereshchagin <evvers@ya.ru> | 2022-01-29 02:17:39 +0000 |
| commit | 86b06c666be8b7afb45541d35aa4d0ecb38056d1 (patch) | |
| tree | b96ba21d1ba775d0ff6ff2b26d6b9d42273c0e93 | |
| parent | tests: fuzz client_handle_offer (diff) | |
| download | systemd-86b06c666be8b7afb45541d35aa4d0ecb38056d1.tar.xz systemd-86b06c666be8b7afb45541d35aa4d0ecb38056d1.zip | |
sd-dhcp-lease: fix an infinite loop found by the fuzzer
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-lease.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c index ab131701fbc..bc6591a39b1 100644 --- a/src/libsystemd-network/sd-dhcp-lease.c +++ b/src/libsystemd-network/sd-dhcp-lease.c @@ -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); |