diff options
| author |   stsp <stsp@openbsd.org> | 2019-01-12 16:12:10 +0000 |
|---|---|---|
| committer | stsp <stsp@openbsd.org> | 2019-01-12 16:12:10 +0000 |
| commit | 5b6e5399f66b3c63786b163e9e89733e76f7602c (patch) | |
| tree | 87f0d6fe3e7e6dd40b8c08794e163e988f1eefe1 | |
| parent | Make the scan loop in otus(4) terminate properly when the interface (diff) | |
| download | wireguard-openbsd-5b6e5399f66b3c63786b163e9e89733e76f7602c.tar.xz wireguard-openbsd-5b6e5399f66b3c63786b163e9e89733e76f7602c.zip | |
Fix potential use-after-free if xfer allocation fails when otus(4) attaches.
ok mpi@ ian@
| -rw-r--r-- | sys/dev/usb/if_otus.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/usb/if_otus.c b/sys/dev/usb/if_otus.c index 86adec9cfce..a136d5eec76 100644 --- a/sys/dev/usb/if_otus.c +++ b/sys/dev/usb/if_otus.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_otus.c,v 1.61 2019/01/12 16:11:22 stsp Exp $ */ +/* $OpenBSD: if_otus.c,v 1.62 2019/01/12 16:12:10 stsp Exp $ */ /*- * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr> @@ -582,6 +582,7 @@ otus_alloc_tx_cmd(struct otus_softc *sc) printf("%s: could not allocate xfer buffer\n", sc->sc_dev.dv_xname); usbd_free_xfer(cmd->xfer); + cmd->xfer = NULL; return ENOMEM; } return 0; |