Date: Tue, 26 Oct 2021 02:37:11 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 84722e8171a0 - stable/13 - sys_procctl(): zero the data buffer once, on syscall entry Message-ID: <202110260237.19Q2bBjY040014@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=84722e8171a0f5732eef9e817573000f93ea9bd8 commit 84722e8171a0f5732eef9e817573000f93ea9bd8 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-10-16 18:28:03 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-10-26 02:26:27 +0000 sys_procctl(): zero the data buffer once, on syscall entry (cherry picked from commit 32026f5983ed00e64829f8c20b09748077809729) --- sys/kern/kern_procctl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/kern/kern_procctl.c b/sys/kern/kern_procctl.c index 7a88ef24d987..387706a0cb1e 100644 --- a/sys/kern/kern_procctl.c +++ b/sys/kern/kern_procctl.c @@ -171,7 +171,6 @@ reap_status(struct thread *td, struct proc *p, void *data) rs = data; sx_assert(&proctree_lock, SX_LOCKED); - bzero(rs, sizeof(*rs)); if ((p->p_treeflag & P_TREE_REAPER) == 0) { reap = p->p_reaper; } else { @@ -850,6 +849,8 @@ sys_procctl(struct thread *td, struct procctl_args *uap) if (uap->com == 0 || uap->com >= nitems(procctl_cmds_info)) return (EINVAL); cmd_info = &procctl_cmds_info[uap->com]; + bzero(&x, sizeof(x)); + if (cmd_info->copyin_sz > 0) { error = copyin(uap->data, &x, cmd_info->copyin_sz); if (error != 0)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202110260237.19Q2bBjY040014>