diff options
| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2020-07-03 10:20:10 +0200 |
|---|---|---|
| committer | Andrea Fioraldi <andreafioraldi@gmail.com> | 2020-07-03 10:20:10 +0200 |
| commit | 139665c01dce7b85941d6e1b61aaebd06e316cba (patch) | |
| tree | 60968669a24bc8b3fe2ac93adf8fffea472e9819 /src | |
| parent | 509b991607b7e991057c81e9aa06236b3ce05c53 (diff) | |
| download | afl++-139665c01dce7b85941d6e1b61aaebd06e316cba.tar.gz | |
ubsan options
Diffstat (limited to 'src')
| -rw-r--r-- | src/afl-analyze.c | 29 | ||||
| -rw-r--r-- | src/afl-forkserver.c | 29 | ||||
| -rw-r--r-- | src/afl-showmap.c | 29 | ||||
| -rw-r--r-- | src/afl-tmin.c | 29 |
4 files changed, 105 insertions, 11 deletions
diff --git a/src/afl-analyze.c b/src/afl-analyze.c index 56284f6f..e6dd0fca 100644 --- a/src/afl-analyze.c +++ b/src/afl-analyze.c @@ -772,15 +772,38 @@ static void set_up_environment(void) { setenv("ASAN_OPTIONS", "abort_on_error=1:" "detect_leaks=0:" + "allocator_may_return_null=1:" "symbolize=0:" - "allocator_may_return_null=1", + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", + 0); + + setenv("UBSAN_OPTIONS", + "halt_on_error=1:" + "abort_on_error=1:" + "malloc_context_size=0:" + "allocator_may_return_null=1:" + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); setenv("MSAN_OPTIONS", "exit_code=" STRINGIFY(MSAN_ERROR) ":" - "symbolize=0:" "abort_on_error=1:" + "msan_track_origins=0" "allocator_may_return_null=1:" - "msan_track_origins=0", 0); + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); if (get_afl_env("AFL_PRELOAD")) { diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c index 419ce28e..47493eba 100644 --- a/src/afl-forkserver.c +++ b/src/afl-forkserver.c @@ -434,7 +434,27 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, "detect_leaks=0:" "malloc_context_size=0:" "symbolize=0:" - "allocator_may_return_null=1", + "allocator_may_return_null=1:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", + 0); + + /* Set sane defaults for UBSAN if nothing else specified. */ + + setenv("UBSAN_OPTIONS", + "halt_on_error=1:" + "abort_on_error=1:" + "malloc_context_size=0:" + "allocator_may_return_null=1:" + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); /* MSAN is tricky, because it doesn't support abort_on_error=1 at this @@ -446,7 +466,12 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, "abort_on_error=1:" "malloc_context_size=0:" "allocator_may_return_null=1:" - "msan_track_origins=0", + "msan_track_origins=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); fsrv->init_child_func(fsrv, argv); diff --git a/src/afl-showmap.c b/src/afl-showmap.c index 883398ff..71e975a1 100644 --- a/src/afl-showmap.c +++ b/src/afl-showmap.c @@ -456,15 +456,38 @@ static void set_up_environment(afl_forkserver_t *fsrv) { setenv("ASAN_OPTIONS", "abort_on_error=1:" "detect_leaks=0:" + "allocator_may_return_null=1:" "symbolize=0:" - "allocator_may_return_null=1", + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", + 0); + + setenv("UBSAN_OPTIONS", + "halt_on_error=1:" + "abort_on_error=1:" + "malloc_context_size=0:" + "allocator_may_return_null=1:" + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); setenv("MSAN_OPTIONS", "exit_code=" STRINGIFY(MSAN_ERROR) ":" - "symbolize=0:" "abort_on_error=1:" + "msan_track_origins=0" "allocator_may_return_null=1:" - "msan_track_origins=0", 0); + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); if (get_afl_env("AFL_PRELOAD")) { diff --git a/src/afl-tmin.c b/src/afl-tmin.c index 2db1eae7..68fcdd14 100644 --- a/src/afl-tmin.c +++ b/src/afl-tmin.c @@ -701,15 +701,38 @@ static void set_up_environment(afl_forkserver_t *fsrv) { setenv("ASAN_OPTIONS", "abort_on_error=1:" "detect_leaks=0:" + "allocator_may_return_null=1:" "symbolize=0:" - "allocator_may_return_null=1", + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", + 0); + + setenv("UBSAN_OPTIONS", + "halt_on_error=1:" + "abort_on_error=1:" + "malloc_context_size=0:" + "allocator_may_return_null=1:" + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); setenv("MSAN_OPTIONS", "exit_code=" STRINGIFY(MSAN_ERROR) ":" - "symbolize=0:" "abort_on_error=1:" + "msan_track_origins=0" "allocator_may_return_null=1:" - "msan_track_origins=0", 0); + "symbolize=0:" + "handle_segv=0:" + "handle_sigbus=0:" + "handle_abort=0:" + "handle_sigfpe=0:" + "handle_sigill=0", 0); if (get_afl_env("AFL_PRELOAD")) { |