From 99541c23cd32bacf1a591ca537a7c0cb9053ad7e Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 25 Jul 2008 01:48:31 -0700 Subject: [PATCH] sysctl: check for bogus modes Catch, e. g., 644/0644 typo. Signed-off-by: Alexey Dobriyan Acked-by: "Eric W. Biederman" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/sysctl_check.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c index c09350d564f..c35da23ab8f 100644 --- a/kernel/sysctl_check.c +++ b/kernel/sysctl_check.c @@ -1532,6 +1532,8 @@ int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table) sysctl_check_leaf(namespaces, table, &fail); } sysctl_check_bin_path(table, &fail); + if (table->mode > 0777) + set_fail(&fail, table, "bogus .mode"); if (fail) { set_fail(&fail, table, NULL); error = -EINVAL; -- 2.41.1