diff options
Diffstat (limited to '0001-Fix-DHCP-broken-in-libslirp-v4.6.0.patch')
| -rw-r--r-- | 0001-Fix-DHCP-broken-in-libslirp-v4.6.0.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/0001-Fix-DHCP-broken-in-libslirp-v4.6.0.patch b/0001-Fix-DHCP-broken-in-libslirp-v4.6.0.patch new file mode 100644 index 0000000..bd4e685 --- /dev/null +++ b/0001-Fix-DHCP-broken-in-libslirp-v4.6.0.patch @@ -0,0 +1,30 @@ +From c9f314f6e315a5518432761fea864196a290f799 Mon Sep 17 00:00:00 2001 +From: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp> +Date: Thu, 17 Jun 2021 18:01:32 +0900 +Subject: [PATCH] Fix "DHCP broken in libslirp v4.6.0" + +Fix issue 48 + +Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp> +--- + src/bootp.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/src/bootp.c b/src/bootp.c +index cafa1eb..0a35873 100644 +--- a/src/bootp.c ++++ b/src/bootp.c +@@ -359,7 +359,9 @@ static void bootp_reply(Slirp *slirp, + + daddr.sin_addr.s_addr = 0xffffffffu; + +- m->m_len = sizeof(struct bootp_t) - sizeof(struct ip) - sizeof(struct udphdr); ++ assert ((q - rbp->bp_vend + 1) <= DHCP_OPT_LEN); ++ ++ m->m_len = sizeof(struct bootp_t) + (q - rbp->bp_vend + 1) - sizeof(struct ip) - sizeof(struct udphdr); + udp_output(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY); + } + +-- +2.29.0 + |