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sysctl: check for bogus modes

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Catch, e. g., 644/0644 typo.

Signed-off-by: Alexey Dobriyan <adobriyan@parallels.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2008-07-25 01:48:31 -07:00 committed by Linus Torvalds
parent 339caf2a22
commit 99541c23cd
1 changed files with 2 additions and 0 deletions
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2
kernel/sysctl_check.c
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@ -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;