Merge pull request #10009 from evverx/rework-journald-fuzzers
Add a fuzzer for server_process_native_message
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commit
3457a7a939
10
src/fuzz/fuzz-journald-native.c
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10
src/fuzz/fuzz-journald-native.c
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@ -0,0 +1,10 @@
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/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "fuzz.h"
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#include "fuzz-journald.h"
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#include "journald-native.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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fuzz_journald_processing_function(data, size, server_process_native_message);
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return 0;
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}
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@ -1,29 +1,10 @@
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/* SPDX-License-Identifier: LGPL-2.1+ */
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/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "alloc-util.h"
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#include "fuzz.h"
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#include "fuzz.h"
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#include "journald-server.h"
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#include "fuzz-journald.h"
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#include "journald-syslog.h"
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#include "journald-syslog.h"
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#include "sd-event.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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Server s = {};
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fuzz_journald_processing_function(data, size, server_process_syslog_message);
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char *label = NULL;
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size_t label_len = 0;
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struct ucred *ucred = NULL;
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struct timeval *tv = NULL;
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if (size == 0)
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return 0;
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assert_se(sd_event_default(&s.event) >= 0);
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s.syslog_fd = s.native_fd = s.stdout_fd = s.dev_kmsg_fd = s.audit_fd = s.hostname_fd = s.notify_fd = -1;
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s.buffer = memdup_suffix0(data, size);
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assert_se(s.buffer);
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s.buffer_size = size + 1;
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s.storage = STORAGE_NONE;
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server_process_syslog_message(&s, s.buffer, size, ucred, tv, label, label_len);
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server_done(&s);
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return 0;
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return 0;
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}
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}
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30
src/fuzz/fuzz-journald.h
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30
src/fuzz/fuzz-journald.h
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@ -0,0 +1,30 @@
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/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include "alloc-util.h"
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#include "journald-server.h"
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#include "sd-event.h"
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static void fuzz_journald_processing_function(
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const uint8_t *data,
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size_t size,
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void (*f)(Server *s, const char *buf, size_t raw_len, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len)
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) {
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Server s = {};
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char *label = NULL;
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size_t label_len = 0;
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struct ucred *ucred = NULL;
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struct timeval *tv = NULL;
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if (size == 0)
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return;
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assert_se(sd_event_default(&s.event) >= 0);
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s.syslog_fd = s.native_fd = s.stdout_fd = s.dev_kmsg_fd = s.audit_fd = s.hostname_fd = s.notify_fd = -1;
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s.buffer = memdup_suffix0(data, size);
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assert_se(s.buffer);
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s.buffer_size = size + 1;
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s.storage = STORAGE_NONE;
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(*f)(&s, s.buffer, size, ucred, tv, label, label_len);
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server_done(&s);
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}
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@ -19,6 +19,11 @@ fuzzers += [
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libshared],
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libshared],
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[libmount]],
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[libmount]],
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[['src/fuzz/fuzz-journald-native.c'],
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[libjournal_core,
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libshared],
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[libselinux]],
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[['src/fuzz/fuzz-journald-syslog.c'],
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[['src/fuzz/fuzz-journald-syslog.c'],
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[libjournal_core,
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[libjournal_core,
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libshared],
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libshared],
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@ -277,7 +277,7 @@ finish:
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void server_process_native_message(
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void server_process_native_message(
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Server *s,
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Server *s,
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const void *buffer, size_t buffer_size,
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const char *buffer, size_t buffer_size,
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const struct ucred *ucred,
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const struct ucred *ucred,
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const struct timeval *tv,
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const struct timeval *tv,
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const char *label, size_t label_len) {
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const char *label, size_t label_len) {
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@ -5,7 +5,7 @@
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void server_process_native_message(
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void server_process_native_message(
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Server *s,
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Server *s,
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const void *buffer,
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const char *buffer,
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size_t buffer_size,
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size_t buffer_size,
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const struct ucred *ucred,
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const struct ucred *ucred,
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const struct timeval *tv,
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const struct timeval *tv,
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