diff options
| -rw-r--r-- | meson.build | 1 | ||||
| -rw-r--r-- | src/fuzz/fuzz-journal-remote.c | 62 | ||||
| -rw-r--r-- | src/fuzz/fuzz-journal-remote.options | 2 | ||||
| -rw-r--r-- | src/fuzz/meson.build | 5 | ||||
| -rw-r--r-- | test/fuzz-corpus/.gitattributes | 1 | ||||
| -rw-r--r-- | test/fuzz-corpus/journal-remote/sample.txt | 180 |
6 files changed, 251 insertions, 0 deletions
diff --git a/meson.build b/meson.build index ac1db5319d..484271ff1c 100644 --- a/meson.build +++ b/meson.build @@ -1258,6 +1258,7 @@ includes = include_directories('src/basic', 'src/shared', 'src/systemd', 'src/journal', + 'src/journal-remote', 'src/nspawn', 'src/resolve', 'src/timesync', diff --git a/src/fuzz/fuzz-journal-remote.c b/src/fuzz/fuzz-journal-remote.c new file mode 100644 index 0000000000..3f6ed33571 --- /dev/null +++ b/src/fuzz/fuzz-journal-remote.c @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include "fuzz.h" + +#include <sys/mman.h> + +#include "sd-journal.h" + +#include "fd-util.h" +#include "fileio.h" +#include "fs-util.h" +#include "journal-remote.h" +#include "logs-show.h" +#include "memfd-util.h" +#include "strv.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + RemoteServer s = {}; + char name[] = "/tmp/fuzz-journal-remote.XXXXXX.journal"; + void *mem; + int fdin; /* will be closed by journal_remote handler after EOF */ + _cleanup_close_ int fdout = -1; + sd_journal *j; + int r; + + if (size <= 2) + return 0; + + assert_se((fdin = memfd_new_and_map("fuzz-journal-remote", size, &mem)) >= 0); + memcpy(mem, data, size); + assert_se(munmap(mem, size) == 0); + + fdout = mkostemps(name, STRLEN(".journal"), O_CLOEXEC); + assert_se(fdout >= 0); + + /* In */ + + assert_se(journal_remote_server_init(&s, name, JOURNAL_WRITE_SPLIT_NONE, false, false) >= 0); + + assert_se(journal_remote_add_source(&s, fdin, (char*) "fuzz-data", false) > 0); + + while (s.active) { + r = journal_remote_handle_raw_source(NULL, fdin, 0, &s); + assert_se(r >= 0); + } + + journal_remote_server_destroy(&s); + assert_se(close(fdin) < 0 && errno == EBADF); /* Check that the fd is closed already */ + + /* Out */ + + r = sd_journal_open_files(&j, (const char**) STRV_MAKE(name), 0); + assert_se(r >= 0); + + r = show_journal(stdout, j, OUTPUT_VERBOSE, 0, 0, -1, 0, NULL); + assert_se(r >= 0); + + sd_journal_close(j); + unlink(name); + + return 0; +} diff --git a/src/fuzz/fuzz-journal-remote.options b/src/fuzz/fuzz-journal-remote.options new file mode 100644 index 0000000000..678d526b1e --- /dev/null +++ b/src/fuzz/fuzz-journal-remote.options @@ -0,0 +1,2 @@ +[libfuzzer] +max_len = 65536 diff --git a/src/fuzz/meson.build b/src/fuzz/meson.build index 7fcc824069..90cd539162 100644 --- a/src/fuzz/meson.build +++ b/src/fuzz/meson.build @@ -19,4 +19,9 @@ fuzzers += [ [libcore, libshared], [libmount]], + + [['src/fuzz/fuzz-journal-remote.c'], + [libsystemd_journal_remote, + libshared], + []], ] diff --git a/test/fuzz-corpus/.gitattributes b/test/fuzz-corpus/.gitattributes new file mode 100644 index 0000000000..7b1b3e1835 --- /dev/null +++ b/test/fuzz-corpus/.gitattributes @@ -0,0 +1 @@ +/*/* -whitespace diff --git a/test/fuzz-corpus/journal-remote/sample.txt b/test/fuzz-corpus/journal-remote/sample.txt new file mode 100644 index 0000000000..891c0003ef --- /dev/null +++ b/test/fuzz-corpus/journal-remote/sample.txt @@ -0,0 +1,180 @@ 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