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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/journal/fuzz-journald-stream.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/journal/fuzz-journald-stream.c')
-rw-r--r--src/journal/fuzz-journald-stream.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/journal/fuzz-journald-stream.c b/src/journal/fuzz-journald-stream.c
new file mode 100644
index 0000000..6b2055f
--- /dev/null
+++ b/src/journal/fuzz-journald-stream.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <linux/sockios.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "fd-util.h"
+#include "fuzz.h"
+#include "fuzz-journald.h"
+#include "journald-stream.h"
+
+static int stream_fds[2] = EBADF_PAIR;
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ Server s;
+ StdoutStream *stream;
+ int v;
+
+ if (outside_size_range(size, 1, 65536))
+ return 0;
+
+ fuzz_setup_logging();
+
+ assert_se(socketpair(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0, stream_fds) >= 0);
+ dummy_server_init(&s, NULL, 0);
+ assert_se(stdout_stream_install(&s, stream_fds[0], &stream) >= 0);
+ assert_se(write(stream_fds[1], data, size) == (ssize_t) size);
+ while (ioctl(stream_fds[0], SIOCINQ, &v) == 0 && v)
+ sd_event_run(s.event, UINT64_MAX);
+ if (s.n_stdout_streams)
+ stdout_stream_destroy(stream);
+ server_done(&s);
+ stream_fds[1] = safe_close(stream_fds[1]);
+
+ return 0;
+}