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fix attempt at lsan

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vanhauser-thc
2023-03-09 14:56:38 +01:00
parent 1385c24a7d
commit dc7ef967d8
1 changed files with 25 additions and 21 deletions
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46
src/afl-common.c
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@ -66,23 +66,40 @@ void set_sanitizer_defaults() {
u8 *have_msan_options = getenv("MSAN_OPTIONS"); u8 *have_msan_options = getenv("MSAN_OPTIONS");
u8 *have_lsan_options = getenv("LSAN_OPTIONS"); u8 *have_lsan_options = getenv("LSAN_OPTIONS");
u8 have_san_options = 0; u8 have_san_options = 0;
if (have_asan_options || have_ubsan_options || have_msan_options || u8 default_options[1024] =
have_lsan_options)
have_san_options = 1;
u8 default_options[1024] =
"detect_odr_violation=0:abort_on_error=1:symbolize=0:malloc_context_" "detect_odr_violation=0:abort_on_error=1:symbolize=0:malloc_context_"
"size=0:allocator_may_return_null=1:handle_segv=0:handle_sigbus=0:" "size=0:allocator_may_return_null=1:handle_segv=0:handle_sigbus=0:"
"handle_abort=0:handle_sigfpe=0:handle_sigill=0:"; "handle_abort=0:handle_sigfpe=0:handle_sigill=0:";
if (!have_lsan_options) strcat(default_options, "detect_leaks=0:"); if (have_asan_options || have_ubsan_options || have_msan_options ||
have_lsan_options) {
have_san_options = 1;
}
/* LSAN does not support abort_on_error=1. (is this still true??) */
if (!have_lsan_options) {
u8 buf[2048] = "";
if (!have_san_options) { strcpy(buf, default_options); }
strcat(buf, "exitcode=" STRINGIFY(LSAN_ERROR) ":fast_unwind_on_malloc=0:print_suppressions=0:detect_leaks=1:");
setenv("LSAN_OPTIONS", buf, 1);
}
/* for everything not LSAN we disable detect_leaks */
if (!have_lsan_options) { strcat(default_options, "detect_leaks=0:"); }
/* Set sane defaults for ASAN if nothing else is specified. */ /* Set sane defaults for ASAN if nothing else is specified. */
if (!have_san_options) setenv("ASAN_OPTIONS", default_options, 1); if (!have_san_options) { setenv("ASAN_OPTIONS", default_options, 1); }
/* Set sane defaults for UBSAN if nothing else is specified. */ /* Set sane defaults for UBSAN if nothing else is specified. */
if (!have_san_options) setenv("UBSAN_OPTIONS", default_options, 1); if (!have_san_options) { setenv("UBSAN_OPTIONS", default_options, 1); }
/* MSAN is tricky, because it doesn't support abort_on_error=1 at this /* MSAN is tricky, because it doesn't support abort_on_error=1 at this
point. So, we do this in a very hacky way. */ point. So, we do this in a very hacky way. */
@ -90,25 +107,12 @@ void set_sanitizer_defaults() {
if (!have_msan_options) { if (!have_msan_options) {
u8 buf[2048] = ""; u8 buf[2048] = "";
if (!have_san_options) strcpy(buf, default_options); if (!have_san_options) { strcpy(buf, default_options); }
strcat(buf, "exit_code=" STRINGIFY(MSAN_ERROR) ":msan_track_origins=0:"); strcat(buf, "exit_code=" STRINGIFY(MSAN_ERROR) ":msan_track_origins=0:");
setenv("MSAN_OPTIONS", buf, 1); setenv("MSAN_OPTIONS", buf, 1);
} }
/* LSAN, too, does not support abort_on_error=1. (is this still true??) */
if (!have_lsan_options) {
u8 buf[2048] = "";
if (!have_san_options) strcpy(buf, default_options);
strcat(buf,
"exitcode=" STRINGIFY(
LSAN_ERROR) ":fast_unwind_on_malloc=0:print_suppressions=0:");
setenv("LSAN_OPTIONS", buf, 1);
}
/* Envs for QASan */ /* Envs for QASan */
setenv("QASAN_MAX_CALL_STACK", "0", 0); setenv("QASAN_MAX_CALL_STACK", "0", 0);
setenv("QASAN_SYMBOLIZE", "0", 0); setenv("QASAN_SYMBOLIZE", "0", 0);