mirrors/tcpdump
0
0
Fork 0
mirror of https://github.com/the-tcpdump-group/tcpdump.git synced 2024-11-23 01:53:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

ipv6: set the snapshot length for the payload correctly.

Browse Source 
Cut off the snapshot length to the end of the IP payload or the end of
the data in which it's contained, whichever comes first.
This commit is contained in:
Guy Harris 2024-11-04 09:36:12 -08:00
parent 3b11c29db4
commit 6bc9e72adc
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
print-ip6.c
View File

@ -301,9 +301,11 @@ ip6_print(netdissect_options *ndo, const u_char *bp, u_int length)
ND_TCHECK_SIZE(ip6);
/*
* Cut off the snapshot length to the end of the IP payload.
* Cut off the snapshot length to the end of the IP payload
* or the end of the data in which it's contained, whichever
* comes first.
*/
if (!nd_push_snaplen(ndo, bp, len)) {
if (!nd_push_snaplen(ndo, bp, ND_MIN(length, len))) {
(*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
"%s: can't push snaplen on buffer stack", __func__);
}