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Merge pull request #855 from MegaManSec/leak-sanitizer

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Add support for standalone leak-sanitizer
This commit is contained in:
van Hauser
2021-04-04 15:28:42 +02:00
committed by GitHub
parent 53facd8882 99819cf5d1
commit c23183f1dc
14 changed files with 123 additions and 16 deletions
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19
src/afl-forkserver.c
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@ -502,7 +502,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
if (!getenv("LD_BIND_LAZY")) { setenv("LD_BIND_NOW", "1", 1); }
/* Set sane defaults for ASAN if nothing else specified. */
/* Set sane defaults for ASAN if nothing else is specified. */
if (!getenv("ASAN_OPTIONS"))
setenv("ASAN_OPTIONS",
@ -519,7 +519,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
"handle_sigill=0",
1);
/* Set sane defaults for UBSAN if nothing else specified. */
/* Set sane defaults for UBSAN if nothing else is specified. */
if (!getenv("UBSAN_OPTIONS"))
setenv("UBSAN_OPTIONS",
@ -557,6 +557,16 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
"handle_sigill=0",
1);
/* LSAN, too, does not support abort_on_error=1. */
if (!getenv("LSAN_OPTIONS"))
setenv("LSAN_OPTIONS",
"exitcode=" STRINGIFY(LSAN_ERROR) ":"
"fast_unwind_on_malloc=0:"
"symbolize=0:"
"print_suppressions=0",
1);
fsrv->init_child_func(fsrv, argv);
/* Use a distinctive bitmap signature to tell the parent about execv()
@ -1303,8 +1313,9 @@ fsrv_run_result_t afl_fsrv_run_target(afl_forkserver_t *fsrv, u32 timeout,
if (unlikely(
/* A normal crash/abort */
(WIFSIGNALED(fsrv->child_status)) ||
/* special handling for msan */
(fsrv->uses_asan && WEXITSTATUS(fsrv->child_status) == MSAN_ERROR) ||
/* special handling for msan and lsan */
(fsrv->uses_asan && (WEXITSTATUS(fsrv->child_status) == MSAN_ERROR ||
WEXITSTATUS(fsrv->child_status) == LSAN_ERROR)) ||
/* the custom crash_exitcode was returned by the target */
(fsrv->uses_crash_exitcode &&
WEXITSTATUS(fsrv->child_status) == fsrv->crash_exitcode))) {