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| author |   dlg <dlg@openbsd.org> | 2016-02-05 13:17:37 +0000 |
|---|---|---|
| committer | dlg <dlg@openbsd.org> | 2016-02-05 13:17:37 +0000 |
| commit | 3e8337df896f84d77115221a4d5ddd4714aa37ce (patch) | |
| tree | 44527de14d1cd80f7d698095da0fbe12340d8abc /lib/libc | |
| parent | Sort includes. (diff) | |
| download | wireguard-openbsd-3e8337df896f84d77115221a4d5ddd4714aa37ce.tar.xz wireguard-openbsd-3e8337df896f84d77115221a4d5ddd4714aa37ce.zip | |
return if the bpf_if passed to bpf_tap and _bpf_mtap are NULL.
this works around a toctou bug in a very common idiom in our tree,
in between the two lines below:
if (ifp->if_bpf)
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
figured out by and diff from haesbart
Diffstat (limited to 'lib/libc')
0 files changed, 0 insertions, 0 deletions