Module: kamailio Branch: master Commit: 2fc11f183d8fcedeb35559c5236ad7159a6a5864 URL: https://github.com/kamailio/kamailio/commit/2fc11f183d8fcedeb35559c5236ad715...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2018-09-05T11:48:02+02:00

core: tcp - improved safety check for available byte in tcp read buffer

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Modified: src/core/tcp_read.c

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Diff: https://github.com/kamailio/kamailio/commit/2fc11f183d8fcedeb35559c5236ad715... Patch: https://github.com/kamailio/kamailio/commit/2fc11f183d8fcedeb35559c5236ad715...

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diff --git a/src/core/tcp_read.c b/src/core/tcp_read.c index 0dc7838df8..6bb52745a4 100644 --- a/src/core/tcp_read.c +++ b/src/core/tcp_read.c @@ -356,7 +356,7 @@ int tcp_read(struct tcp_connection *c, int* flags) fd=c->fd; bytes_free=r->b_size- (int)(r->pos - r->buf); - if (unlikely(bytes_free==0)){ + if (unlikely(bytes_free<=0)){ LM_ERR("buffer overrun, dropping ([%s]:%u -> [%s]:%u)\n", ip_addr2a(&c->rcv.src_ip), c->rcv.src_port, ip_addr2a(&c->rcv.dst_ip), c->rcv.dst_port);