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-rw-r--r--test/syscalls/linux/exec_binary.cc28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/syscalls/linux/exec_binary.cc b/test/syscalls/linux/exec_binary.cc
index 3797fd4c8..b0fb120c6 100644
--- a/test/syscalls/linux/exec_binary.cc
+++ b/test/syscalls/linux/exec_binary.cc
@@ -951,6 +951,34 @@ TEST(ElfTest, PIEOutOfOrderSegments) {
EXPECT_EQ(execve_errno, ENOEXEC);
}
+TEST(ElfTest, PIEOverflow) {
+ ElfBinary<64> elf = StandardElf();
+
+ elf.header.e_type = ET_DYN;
+
+ // Choose vaddr of the first segment so that the end address overflows if the
+ // segment is mapped with a non-zero offset.
+ elf.phdrs[1].p_vaddr = 0xfffffffffffff000UL - elf.phdrs[1].p_memsz;
+
+ elf.UpdateOffsets();
+
+ TempPath file = ASSERT_NO_ERRNO_AND_VALUE(CreateElfWith(elf));
+
+ pid_t child;
+ int execve_errno;
+ auto cleanup = ASSERT_NO_ERRNO_AND_VALUE(
+ ForkAndExec(file.path(), {file.path()}, {}, &child, &execve_errno));
+ if (IsRunningOnGvisor()) {
+ ASSERT_EQ(execve_errno, EINVAL);
+ } else {
+ ASSERT_EQ(execve_errno, 0);
+ int status;
+ ASSERT_THAT(RetryEINTR(waitpid)(child, &status, 0),
+ SyscallSucceedsWithValue(child));
+ EXPECT_TRUE(WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV) << status;
+ }
+}
+
// Standard dynamically linked binary with an ELF interpreter.
TEST(ElfTest, ELFInterpreter) {
ElfBinary<64> interpreter = StandardElf();