diff options
| author | Stefan Sperling <stsp@cvs.openbsd.org> | 2019-01-12 16:12:11 +0000 |
|---|---|---|
| committer | Stefan Sperling <stsp@cvs.openbsd.org> | 2019-01-12 16:12:11 +0000 |
| commit | 3b48a64cbd682f771effc42ce1b5803c4ee0fdea (patch) | |
| tree | 352e1fc0464f7cc93296e9816c65171576aa7dca /sys | |
| parent | 7d16a3014578f3f9e358ba47059808f904f58a49 (diff) | |
Fix potential use-after-free if xfer allocation fails when otus(4) attaches.
ok mpi@ ian@
Diffstat (limited to 'sys')
| -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; |