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authorNick Mathewson <nickm@torproject.org>2019-09-10 11:07:25 -0400
committerNick Mathewson <nickm@torproject.org>2019-09-10 11:07:25 -0400
commit97f7efa9e3316e4e8970a87a1ee53fd4fd0075d8 (patch)
tree452a8a39dba1beda29c5511db22321d5c252edaa /changes
parent51475aee57523318d0b0a9e47dedad89ef1b578c (diff)
downloadtor-97f7efa9e3316e4e8970a87a1ee53fd4fd0075d8.tar.gz
tor-97f7efa9e3316e4e8970a87a1ee53fd4fd0075d8.zip
pf: when extracting an IPv6 address, make sure we got an IPv6 address
Our code assumes that when we're configured to get IPv6 addresses out of a TRANS_PF transparent proxy connection, we actually will. But we didn't check that, and so FreeBSD started warning us about a potential NULL pointer dereference. Fixes part of bug 31687; bugfix on 0.2.3.4-alpha when this code was added.
Diffstat (limited to 'changes')
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diff --git a/changes/ticket31687_2 b/changes/ticket31687_2
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+ o Minor bugfixes (FreeBSD, PF-based proxy, IPv6):
+ - When extracting an IPv6 address from a PF-based proxy, verify
+ that we are actually configured to receive an IPv6 address,
+ and log an internal error if not. Fixes part of bug 31687;
+ bugfix on 0.2.3.4-alpha.