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fix stderr output

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This commit is contained in:
van Hauser
2020-08-08 19:37:15 +02:00
parent 28251a495a
commit 45d0e4765e
1 changed files with 18 additions and 5 deletions
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23
llvm_mode/afl-llvm-rt.o.c
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@ -327,10 +327,13 @@ static void __afl_map_shm(void) {
id_str = getenv(CMPLOG_SHM_ENV_VAR); id_str = getenv(CMPLOG_SHM_ENV_VAR);
if (getenv("AFL_DEBUG")) if (getenv("AFL_DEBUG")) {
fprintf(stderr, "DEBUG: cmplog id_str %s\n", fprintf(stderr, "DEBUG: cmplog id_str %s\n",
id_str == NULL ? "<null>" : id_str); id_str == NULL ? "<null>" : id_str);
}
if (id_str) { if (id_str) {
#ifdef USEMMAP #ifdef USEMMAP
@ -402,9 +405,12 @@ static void __afl_start_snapshots(void) {
if (read(FORKSRV_FD, &was_killed, 4) != 4) _exit(1); if (read(FORKSRV_FD, &was_killed, 4) != 4) _exit(1);
if (getenv("AFL_DEBUG")) if (getenv("AFL_DEBUG")) {
fprintf(stderr, "target forkserver recv: %08x\n", was_killed); fprintf(stderr, "target forkserver recv: %08x\n", was_killed);
}
if ((was_killed & (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) == if ((was_killed & (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) ==
(FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) { (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) {
@ -611,9 +617,12 @@ static void __afl_start_forkserver(void) {
if (read(FORKSRV_FD, &was_killed, 4) != 4) _exit(1); if (read(FORKSRV_FD, &was_killed, 4) != 4) _exit(1);
if (getenv("AFL_DEBUG")) if (getenv("AFL_DEBUG")) {
fprintf(stderr, "target forkserver recv: %08x\n", was_killed); fprintf(stderr, "target forkserver recv: %08x\n", was_killed);
}
if ((was_killed & (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) == if ((was_killed & (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) ==
(FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) { (FS_OPT_ENABLED | FS_OPT_SHDMEM_FUZZ)) {
@ -908,8 +917,12 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
u32 inst_ratio = 100; u32 inst_ratio = 100;
char *x; char *x;
fprintf(stderr, "Running __sanitizer_cov_trace_pc_guard_init: %p-%p\n", start, if (getenv("AFL_DEBUG")) {
stop);
fprintf(stderr, "Running __sanitizer_cov_trace_pc_guard_init: %p-%p\n",
start, stop);
}
if (start == stop || *start) return; if (start == stop || *start) return;