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-rw-r--r--fs/exec.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 1f446705636..bb60cda5ee3 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1669,6 +1669,12 @@ int __get_dumpable(unsigned long mm_flags)
return (ret > SUID_DUMP_USER) ? SUID_DUMP_ROOT : ret;
}
+/*
+ * This returns the actual value of the suid_dumpable flag. For things
+ * that are using this for checking for privilege transitions, it must
+ * test against SUID_DUMP_USER rather than treating it as a boolean
+ * value.
+ */
int get_dumpable(struct mm_struct *mm)
{
return __get_dumpable(mm->flags);