Date: Tue, 31 May 2016 16:58:00 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r301055 - in stable/9/sys: compat/linux kern Message-ID: <201605311658.u4VGw0sI004799@repo.freebsd.org>
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Author: glebius Date: Tue May 31 16:58:00 2016 New Revision: 301055 URL: https://svnweb.freebsd.org/changeset/base/301055 Log: Merge r301053: Fix kernel stack disclosures in the Linux and 4.3BSD compat layers. Security: SA-16:20 Security: SA-16:21 Modified: stable/9/sys/compat/linux/linux_ioctl.c stable/9/sys/compat/linux/linux_misc.c stable/9/sys/kern/vfs_syscalls.c Directory Properties: stable/9/ (props changed) stable/9/sys/ (props changed) Modified: stable/9/sys/compat/linux/linux_ioctl.c ============================================================================== --- stable/9/sys/compat/linux/linux_ioctl.c Tue May 31 16:57:42 2016 (r301054) +++ stable/9/sys/compat/linux/linux_ioctl.c Tue May 31 16:58:00 2016 (r301055) @@ -911,6 +911,8 @@ linux_ioctl_termio(struct thread *td, st case LINUX_TIOCGSERIAL: { struct linux_serial_struct lss; + + bzero(&lss, sizeof(lss)); lss.type = LINUX_PORT_16550A; lss.flags = 0; lss.close_delay = 0; Modified: stable/9/sys/compat/linux/linux_misc.c ============================================================================== --- stable/9/sys/compat/linux/linux_misc.c Tue May 31 16:57:42 2016 (r301054) +++ stable/9/sys/compat/linux/linux_misc.c Tue May 31 16:58:00 2016 (r301055) @@ -138,6 +138,7 @@ linux_sysinfo(struct thread *td, struct int i, j; struct timespec ts; + bzero(&sysinfo, sizeof(sysinfo)); getnanouptime(&ts); if (ts.tv_nsec != 0) ts.tv_sec++; Modified: stable/9/sys/kern/vfs_syscalls.c ============================================================================== --- stable/9/sys/kern/vfs_syscalls.c Tue May 31 16:57:42 2016 (r301054) +++ stable/9/sys/kern/vfs_syscalls.c Tue May 31 16:58:00 2016 (r301055) @@ -2326,6 +2326,7 @@ cvtstat(st, ost) struct ostat *ost; { + bzero(ost, sizeof(*ost)); ost->st_dev = st->st_dev; ost->st_ino = st->st_ino; ost->st_mode = st->st_mode;
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