From f0c1ad308d0d475e8093847391fe388f0c6f3b87 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Fri, 7 Feb 2020 13:35:29 +0900 Subject: [PATCH] network: fix ABRT Fixes #14811 and oss-fuzz#20548. --- src/network/networkd-ndisc.c | 8 +++++++- test/fuzz/fuzz-network-parser/oss-fuzz-20548 | Bin 0 -> 26 bytes 2 files changed, 7 insertions(+), 1 deletion(-) create mode 100644 test/fuzz/fuzz-network-parser/oss-fuzz-20548 diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c index 0b160bdfe64..4bdc26a38fc 100644 --- a/src/network/networkd-ndisc.c +++ b/src/network/networkd-ndisc.c @@ -999,7 +999,13 @@ int config_parse_address_generation_type( else { token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_STATIC; p = rvalue; - } + } + + if (isempty(p)) { + log_syntax(unit, LOG_ERR, filename, line, 0, + "Invalid IPv6Token= , ignoring assignment: %s", rvalue); + return 0; + } r = in_addr_from_string(AF_INET6, p, &buffer); if (r < 0) { diff --git a/test/fuzz/fuzz-network-parser/oss-fuzz-20548 b/test/fuzz/fuzz-network-parser/oss-fuzz-20548 new file mode 100644 index 0000000000000000000000000000000000000000..82efed50e064cf8f35d5df9e16790d12fd75e932 GIT binary patch literal 26 hc-o8hOD!qSFUpQ(@C+z33(3z;&9f~oNi4}s1^|GX39bMD literal 0 Hc-jL100001 -- 2.47.3