Module Name: src Committed By: martin Date: Wed Jun 21 21:26:16 UTC 2023
Modified Files: src/sys/compat/linux32/arch/amd64 [netbsd-8]: linux32_machdep.c src/sys/compat/ossaudio [netbsd-8]: ossaudio.c src/sys/compat/sunos32 [netbsd-8]: sunos32_misc.c Log Message: Pull up following revision(s) (requested by riastradh in ticket #1841): sys/compat/sunos32/sunos32_misc.c: revision 1.86 sys/compat/ossaudio/ossaudio.c: revision 1.85 sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.48 compat_sunos32: Memset zero before copyout. Unclear if this can leak anything but let's be on the safe side. compat_ossaudio: Zero-initialize idat before copyout. Unclear if there are any paths to the copyout without initialization, but let's play it safe to keep the auditing effort low. linux32_rt_sendsig: Memset zero before copyout. Not sure if there's any padding here, but it's a pretty big structure, fairly likely, so let's be rather safe than sorry. To generate a diff of this commit: cvs rdiff -u -r1.38.6.3 -r1.38.6.4 \ src/sys/compat/linux32/arch/amd64/linux32_machdep.c cvs rdiff -u -r1.70.6.4 -r1.70.6.5 src/sys/compat/ossaudio/ossaudio.c cvs rdiff -u -r1.77.10.2 -r1.77.10.3 src/sys/compat/sunos32/sunos32_misc.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/compat/linux32/arch/amd64/linux32_machdep.c diff -u src/sys/compat/linux32/arch/amd64/linux32_machdep.c:1.38.6.3 src/sys/compat/linux32/arch/amd64/linux32_machdep.c:1.38.6.4 --- src/sys/compat/linux32/arch/amd64/linux32_machdep.c:1.38.6.3 Wed Jun 21 21:04:03 2023 +++ src/sys/compat/linux32/arch/amd64/linux32_machdep.c Wed Jun 21 21:26:16 2023 @@ -1,4 +1,4 @@ -/* $NetBSD: linux32_machdep.c,v 1.38.6.3 2023/06/21 21:04:03 martin Exp $ */ +/* $NetBSD: linux32_machdep.c,v 1.38.6.4 2023/06/21 21:26:16 martin Exp $ */ /*- * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. @@ -31,7 +31,7 @@ * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.38.6.3 2023/06/21 21:04:03 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.38.6.4 2023/06/21 21:26:16 martin Exp $"); #include <sys/param.h> #include <sys/proc.h> @@ -191,6 +191,7 @@ linux32_rt_sendsig(const ksiginfo_t *ksi fp--; /* Build stack frame for signal trampoline. */ + memset(&frame, 0, sizeof(frame)); NETBSD32PTR32(frame.sf_handler, catcher); frame.sf_sig = native_to_linux32_signo[sig]; NETBSD32PTR32(frame.sf_sip, &fp->sf_si); Index: src/sys/compat/ossaudio/ossaudio.c diff -u src/sys/compat/ossaudio/ossaudio.c:1.70.6.4 src/sys/compat/ossaudio/ossaudio.c:1.70.6.5 --- src/sys/compat/ossaudio/ossaudio.c:1.70.6.4 Wed Jun 21 21:04:02 2023 +++ src/sys/compat/ossaudio/ossaudio.c Wed Jun 21 21:26:16 2023 @@ -1,4 +1,4 @@ -/* $NetBSD: ossaudio.c,v 1.70.6.4 2023/06/21 21:04:02 martin Exp $ */ +/* $NetBSD: ossaudio.c,v 1.70.6.5 2023/06/21 21:26:16 martin Exp $ */ /*- * Copyright (c) 1997, 2008 The NetBSD Foundation, Inc. @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ossaudio.c,v 1.70.6.4 2023/06/21 21:04:02 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ossaudio.c,v 1.70.6.5 2023/06/21 21:26:16 martin Exp $"); #include <sys/param.h> #include <sys/proc.h> @@ -1041,7 +1041,7 @@ oss_ioctl_mixer(struct lwp *lwp, const s mixer_ctrl_t mc; struct oss_mixer_info omi; struct audio_device adev; - int idat; + int idat = 0; int i; int error; int l, r, n, e; Index: src/sys/compat/sunos32/sunos32_misc.c diff -u src/sys/compat/sunos32/sunos32_misc.c:1.77.10.2 src/sys/compat/sunos32/sunos32_misc.c:1.77.10.3 --- src/sys/compat/sunos32/sunos32_misc.c:1.77.10.2 Wed Jun 21 21:04:03 2023 +++ src/sys/compat/sunos32/sunos32_misc.c Wed Jun 21 21:26:16 2023 @@ -1,4 +1,4 @@ -/* $NetBSD: sunos32_misc.c,v 1.77.10.2 2023/06/21 21:04:03 martin Exp $ */ +/* $NetBSD: sunos32_misc.c,v 1.77.10.3 2023/06/21 21:26:16 martin Exp $ */ /* from :NetBSD: sunos_misc.c,v 1.107 2000/12/01 19:25:10 jdolecek Exp */ /* @@ -77,7 +77,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.77.10.2 2023/06/21 21:04:03 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.77.10.3 2023/06/21 21:26:16 martin Exp $"); #define COMPAT_SUNOS 1 @@ -242,6 +242,7 @@ static inline void sunos32_from___stat13 static inline void sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p) { + memset(sb32p, 0, sizeof(*sb32p)); sb32p->st_dev = sbp->st_dev; sb32p->st_ino = sbp->st_ino; sb32p->st_mode = sbp->st_mode;