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| author | Thorben Römer <36536632+TarEnethil@users.noreply.github.com> | 2022-10-17 12:55:48 (GMT) |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2023-07-24 17:38:34 (GMT) |
| commit | 6519a9173f900b364f014a2321a17aa6bf652e6d (patch) | |
| tree | 96dc6b89b12805246c90fc548122c2dab9a6c5ac | |
| parent | b5b04aab845ce65792af70886f634a86e83846ee (diff) | |
| download | libnl-6519a9173f900b364f014a2321a17aa6bf652e6d.zip libnl-6519a9173f900b364f014a2321a17aa6bf652e6d.tar.gz libnl-6519a9173f900b364f014a2321a17aa6bf652e6d.tar.bz2 | |
route/link: prevent segfault in af_request_type()
Check that ops->ao_override_rtm() is set before using it,
which prevents a segfault whenever af_request_type() is
called with a type that has ops but that does not initialize
said function in their ops struct.
https://github.com/thom311/libnl/pull/333
| -rw-r--r-- | lib/route/link.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/route/link.c b/lib/route/link.c index 5e80629..0d7a63a 100644 --- a/lib/route/link.c +++ b/lib/route/link.c @@ -115,7 +115,7 @@ static int af_request_type(int af_type, struct rtnl_link *changes) struct rtnl_link_af_ops *ops; ops = rtnl_link_af_ops_lookup(af_type); - if (ops && ops->ao_override_rtm(changes)) + if (ops && ops->ao_override_rtm && ops->ao_override_rtm(changes)) return RTM_SETLINK; return RTM_NEWLINK; |