Module Name: src Committed By: maxv Date: Fri Dec 13 14:10:32 UTC 2019
Modified Files: src/sys/dev/usb: if_urtwn.c Log Message: Fix gross use-after-free. Found by a custom query on LGTM. To generate a diff of this commit: cvs rdiff -u -r1.77 -r1.78 src/sys/dev/usb/if_urtwn.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/if_urtwn.c diff -u src/sys/dev/usb/if_urtwn.c:1.77 src/sys/dev/usb/if_urtwn.c:1.78 --- src/sys/dev/usb/if_urtwn.c:1.77 Sun Dec 1 21:02:09 2019 +++ src/sys/dev/usb/if_urtwn.c Fri Dec 13 14:10:32 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: if_urtwn.c,v 1.77 2019/12/01 21:02:09 mlelstv Exp $ */ +/* $NetBSD: if_urtwn.c,v 1.78 2019/12/13 14:10:32 maxv Exp $ */ /* $OpenBSD: if_urtwn.c,v 1.42 2015/02/10 23:25:46 mpi Exp $ */ /*- @@ -25,7 +25,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.77 2019/12/01 21:02:09 mlelstv Exp $"); +__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.78 2019/12/13 14:10:32 maxv Exp $"); #ifdef _KERNEL_OPT #include "opt_inet.h" @@ -868,7 +868,6 @@ urtwn_task(void *arg) } if (urtwn_tx_beacon(sc, m, ic->ic_bss) != 0) { - m_freem(m); aprint_error_dev(sc->sc_dev, "could not send beacon"); }