35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
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From c95ae2ba0093742292671fd30a63af15f1b63bc6 Mon Sep 17 00:00:00 2001
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From: Evgeny Vereshchagin <evvers@ya.ru>
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Date: Sat, 29 Jan 2022 02:08:39 +0000
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Subject: [PATCH] sd-dhcp-lease: fix an infinite loop found by the fuzzer
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(cherry picked from commit 86b06c666be8b7afb45541d35aa4d0ecb38056d1)
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(cherry picked from commit 426807c54b9500b806eaaf50d32c7c936510706c)
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Conflict:NA
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Reference:https://github.com/systemd/systemd/commit/c95ae2ba0093742292671fd30a63af15f1b63bc6
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---
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src/libsystemd-network/sd-dhcp-lease.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c
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index 9a0d7f6fea..75aa0c3d2c 100644
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--- a/src/libsystemd-network/sd-dhcp-lease.c
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+++ b/src/libsystemd-network/sd-dhcp-lease.c
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@@ -463,10 +463,8 @@ static int lease_parse_routes(
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route->option = SD_DHCP_OPTION_STATIC_ROUTE;
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r = in4_addr_default_prefixlen((struct in_addr*) option, &route->dst_prefixlen);
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- if (r < 0) {
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- log_debug("Failed to determine destination prefix length from class based IP, ignoring");
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- continue;
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- }
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+ if (r < 0)
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+ return -EINVAL;
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assert_se(lease_parse_be32(option, 4, &addr.s_addr) >= 0);
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route->dst_addr = inet_makeaddr(inet_netof(addr), 0);
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--
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2.33.0
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