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| author | Daniel Stenberg <daniel@haxx.se> | 2020-04-20 17:03:18 +0200 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2020-04-20 22:34:44 +0200 |
| commit | 96c149685bff881b30493acf0fed1fc4cd5520ee (patch) | |
| tree | bfce2c32f293f735160af925833e28572c556ed1 /lib/mqtt.c | |
| parent | fa7daafdbcd41f45bf082a0e834945034bf03203 (diff) | |
| download | curl-96c149685bff881b30493acf0fed1fc4cd5520ee.tar.gz | |
mqtt: fix Curl_read() error handling while reading remaining length
Detected by Coverity. CID 1462320.
Closes #5274
Diffstat (limited to 'lib/mqtt.c')
| -rw-r--r-- | lib/mqtt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/mqtt.c b/lib/mqtt.c index 35c1b3e83..44433361b 100644 --- a/lib/mqtt.c +++ b/lib/mqtt.c @@ -569,6 +569,8 @@ static CURLcode mqtt_doing(struct connectdata *conn, bool *done) Curl_debug(data, CURLINFO_HEADER_IN, (char *)&byte, 1); pkt[mq->npacket++] = byte; } while((byte & 0x80) && (mq->npacket < 4)); + if(result) + break; mq->remaining_length = mqtt_decode_len(&pkt[0], mq->npacket, NULL); mq->npacket = 0; if(mq->remaining_length) { |