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| author | glebius <glebius@FreeBSD.org> | 2013-10-02 20:44:36 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2013-10-02 20:44:36 +0000 |
| commit | 515e096f7236fe4f554e196c769fc056df993849 (patch) | |
| tree | 4643f180d2b885c00b25edd92bcb3a443f7d3d45 /sys/net/if_tun.c | |
| parent | 3f1d7fea0ef65364bd48c79e15a8adb62926b908 (diff) | |
| download | FreeBSD-src-515e096f7236fe4f554e196c769fc056df993849.zip FreeBSD-src-515e096f7236fe4f554e196c769fc056df993849.tar.gz | |
Clear knlist before destroying it in tap(4) and tun(4). This fixes later
crash, when a kqueue descriptor tries to dereference appropriate knotes.
Approved by: re (kib)
Diffstat (limited to 'sys/net/if_tun.c')
| -rw-r--r-- | sys/net/if_tun.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index f44bc0e..f36e7ad 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -258,6 +258,7 @@ tun_destroy(struct tun_softc *tp) if_free(TUN2IFP(tp)); destroy_dev(dev); seldrain(&tp->tun_rsel); + knlist_clear(&tp->tun_rsel.si_note, 0); knlist_destroy(&tp->tun_rsel.si_note); mtx_destroy(&tp->tun_mtx); cv_destroy(&tp->tun_cv); |
