<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><base href="x-msg://567/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><div lang="FR" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="Section1" style="page: Section1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">In this context we are in<span class="Apple-converted-space"> </span><span style="font-size: 10pt; font-family: 'Courier New'; ">RTSPClient.cpp around 1555 :<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> // If we saw a "Content-Length:" header, then make sure that we have the amount of data that it specified:<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> unsigned bodyOffset = nextLineStart - headerDataCopy;<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> bodyStart = &fResponseBuffer[bodyOffset];<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> numBodyBytes = fResponseBytesAlreadySeen - bodyOffset;<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "> if (contentLength > numBodyBytes) {<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Gdb says that nextLineStart is NULL, bodyOffset is a big number, and finally bodyStart point a non allocated memory (that raise a SEGV).<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Do you think if is possible to add check nextLineStart before using it :</div></div></div></blockquote><div><br></div>Instead, please replace the line</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>unsigned bodyOffset = nextLineStart - headerDataCopy;</div><div>with</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>unsigned bodyOffset = nextLineStart == NULL ? fResponseBytesAlreadySeen : nextLineStart - headerDataCopy;</div><div><br></div><div>If you still have a problem after this change, please let me know. (Otherwise I'll make that change in the next release of the software.)</div><br><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">Ross Finlayson<br>Live Networks, Inc.<br><a href="http://www.live555.com/">http://www.live555.com/</a></span></span>
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