20 lines
586 B
Diff
20 lines
586 B
Diff
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From https://bugzilla.redhat.com/show_bug.cgi?id=1165162
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Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
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--- tcpdump-tcpdump-4.6/print-udp.c 2014-11-21 13:53:05.757690197 +0700
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+++ tcpdump-4.6.2/print-udp.c 2014-11-21 13:50:58.077695164 +0700
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@@ -357,6 +357,12 @@
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#ifdef INET6
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register const struct ip6_hdr *ip6;
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#endif
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+ u_int caplength;
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+
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+ /* Checking length of available data before print */
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+ caplength = (ndo->ndo_snapend >= bp) ? ndo->ndo_snapend - bp : 0;
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+ if (length > caplength)
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+ length = caplength;
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if (ep > ndo->ndo_snapend)
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ep = ndo->ndo_snapend;
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