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CVS commit: src/sys/netinet
Module Name: src
Committed By: maxv
Date: Sat Nov 16 10:15:10 UTC 2019
Call rtcache_unref() only when the checks succeed, instead of relying on
another NULL check in rtcache_unref().
Because, in order to resolve the address of the second argument, we do a
dereference on 'tp', which is theoretically allowed to be NULL. The five
callers of nd6_hint() never pass a NULL argument however, so by luck the
actual NULL deref never happens.
Maybe the NULL check on 'tp' in should be replaced to a KASSERT ensuring
it isn't NULL, for clarity.
Reported by kUBSan.
To generate a diff of this commit:
cvs rdiff -u -r1.416 -r1.417 src/sys/netinet/tcp_input.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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