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authorChristian Brauner <brauner@kernel.org>2025-04-07 11:54:22 +0200
committerChristian Brauner <brauner@kernel.org>2025-04-07 16:20:14 +0200
commitf8ca403ae77cbfb4bf0fcd92c74075886f5f4aa8 (patch)
tree10af003d863ad1051e8229f2de07226c1e566c57 /tools/testing/selftests/filesystems/anon_inode_test.c
parentfcf31ec7cade5b17699bc2ed04cacbc92b14a864 (diff)
selftests/filesystems: add exec() test for anonymous inodes
Test that anonymous inodes cannot be exec()ed. Link: https://lore.kernel.org/20250407-work-anon_inode-v1-8-53a44c20d44e@kernel.org Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools/testing/selftests/filesystems/anon_inode_test.c')
-rw-r--r--tools/testing/selftests/filesystems/anon_inode_test.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/testing/selftests/filesystems/anon_inode_test.c b/tools/testing/selftests/filesystems/anon_inode_test.c
index 7c4d0a225363..486496252ddd 100644
--- a/tools/testing/selftests/filesystems/anon_inode_test.c
+++ b/tools/testing/selftests/filesystems/anon_inode_test.c
@@ -35,5 +35,18 @@ TEST(anon_inode_no_chmod)
EXPECT_EQ(close(fd_context), 0);
}
+TEST(anon_inode_no_exec)
+{
+ int fd_context;
+
+ fd_context = sys_fsopen("tmpfs", 0);
+ ASSERT_GE(fd_context, 0);
+
+ ASSERT_LT(execveat(fd_context, "", NULL, NULL, AT_EMPTY_PATH), 0);
+ ASSERT_EQ(errno, EACCES);
+
+ EXPECT_EQ(close(fd_context), 0);
+}
+
TEST_HARNESS_MAIN