aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorMark Haines <mark.haines@matrix.org>2015-08-07 18:25:21 +0100
committerMark Haines <mark.haines@matrix.org>2015-08-07 18:25:21 +0100
commit76ecd85c2cf4b9b1fb2350774d24860537d1d571 (patch)
treef69ce39f7785996eea8f8140db6b624b84c3fea7 /src
parent41a8fb61afacc57e6da2e2cb427ecdf889dcabdf (diff)
Fix a crash when decoding messages that are too short
Diffstat (limited to 'src')
-rw-r--r--src/message.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/message.cpp b/src/message.cpp
index 93473b9..8e807fd 100644
--- a/src/message.cpp
+++ b/src/message.cpp
@@ -49,6 +49,9 @@ T varint_decode(
std::uint8_t const * varint_end
) {
T value = 0;
+ if (varint_end == varint_start) {
+ return 0;
+ }
do {
value <<= 7;
value |= 0x7F & *(--varint_end);