From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/fuzz/fuzz-calendarspec.c | 58 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/fuzz/fuzz-calendarspec.c (limited to 'src/fuzz/fuzz-calendarspec.c') diff --git a/src/fuzz/fuzz-calendarspec.c b/src/fuzz/fuzz-calendarspec.c new file mode 100644 index 0000000..ea027b8 --- /dev/null +++ b/src/fuzz/fuzz-calendarspec.c @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "alloc-util.h" +#include "calendarspec.h" +#include "fd-util.h" +#include "fuzz.h" +#include "string-util.h" +#include "time-util.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + _cleanup_(calendar_spec_freep) CalendarSpec *cspec = NULL; + _cleanup_free_ char *str = NULL; + int r; + + if (!getenv("SYSTEMD_LOG_LEVEL")) + log_set_max_level(LOG_CRIT); + + str = memdup_suffix0(data, size); + + size_t l1 = strlen(str); + const char* usecs = l1 < size ? str + l1 + 1 : ""; + + r = calendar_spec_from_string(str, &cspec); + if (r < 0) { + log_debug_errno(r, "Failed to parse \"%s\": %m", str); + return 0; + } + + _cleanup_free_ char *p = NULL; + assert_se(calendar_spec_valid(cspec)); + assert_se(calendar_spec_to_string(cspec, &p) == 0); + assert(p); + + log_debug("spec: %s → %s", str, p); + + _cleanup_(calendar_spec_freep) CalendarSpec *cspec2 = NULL; + assert_se(calendar_spec_from_string(p, &cspec2) >= 0); + assert_se(calendar_spec_valid(cspec2)); + + usec_t usec = 0; + (void) parse_time(usecs, &usec, 1); + + /* If timezone is set, calendar_spec_next_usec() would fork, bleh :( + * Let's not try that. */ + cspec->timezone = mfree(cspec->timezone); + + log_debug("00: %s", strna(FORMAT_TIMESTAMP(usec))); + for (unsigned i = 1; i <= 20; i++) { + r = calendar_spec_next_usec(cspec, usec, &usec); + if (r < 0) { + log_debug_errno(r, "%02u: %m", i); + break; + } + log_debug("%02u: %s", i, FORMAT_TIMESTAMP(usec)); + } + + return 0; +} -- cgit v1.2.3