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-rw-r--r--test/syscalls/linux/uidgid.cc12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/syscalls/linux/uidgid.cc b/test/syscalls/linux/uidgid.cc
index 6218fbce1..ff66a79f4 100644
--- a/test/syscalls/linux/uidgid.cc
+++ b/test/syscalls/linux/uidgid.cc
@@ -14,6 +14,7 @@
#include <errno.h>
#include <grp.h>
+#include <sys/resource.h>
#include <sys/types.h>
#include <unistd.h>
@@ -249,6 +250,17 @@ TEST(UidGidRootTest, Setgroups) {
SyscallFailsWithErrno(EFAULT));
}
+TEST(UidGidRootTest, Setuid_prlimit) {
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(IsRoot()));
+
+ // Change our UID.
+ EXPECT_THAT(seteuid(65534), SyscallSucceeds());
+
+ // Despite the UID change, we should be able to get our own limits.
+ struct rlimit rl = {};
+ ASSERT_THAT(prlimit(0, RLIMIT_NOFILE, NULL, &rl), SyscallSucceeds());
+}
+
} // namespace
} // namespace testing