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| author | vanhauser-thc <vh@thc.org> | 2021-11-03 21:27:19 +0100 |
|---|---|---|
| committer | vanhauser-thc <vh@thc.org> | 2021-11-03 21:27:19 +0100 |
| commit | 02a5d96846c222ab91b6c1edff9eeb9b75a6aefc (patch) | |
| tree | baf007139f15a3beed17377ef61fc29e3d724f27 | |
| parent | afc84438c60f7a70464ddc353216e0d9fb0c0b49 (diff) | |
| download | afl++-02a5d96846c222ab91b6c1edff9eeb9b75a6aefc.tar.gz | |
remove overflow wiping
| -rw-r--r-- | instrumentation/afl-compiler-rt.o.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/instrumentation/afl-compiler-rt.o.c b/instrumentation/afl-compiler-rt.o.c index 694d61c1..112893ee 100644 --- a/instrumentation/afl-compiler-rt.o.c +++ b/instrumentation/afl-compiler-rt.o.c @@ -1936,14 +1936,6 @@ void __cmplog_rtn_hook_n(u8 *ptr1, u8 *ptr2, u64 len) { struct cmpfn_operands *cmpfn = (struct cmpfn_operands *)__afl_cmp_map->log[k]; hits &= CMP_MAP_RTN_H - 1; - if (unlikely(reset && !hits)) { __afl_cmp_map->headers[k].overflow = 1; } - - if (unlikely(__afl_cmp_map->headers[k].overflow)) { - - __builtin_memset((char *)&cmpfn[hits], 0, sizeof(struct cmpfn_operands)); - - } - cmpfn[hits].v0_len = l; cmpfn[hits].v1_len = l; __builtin_memcpy(cmpfn[hits].v0, ptr1, l); @@ -1992,14 +1984,6 @@ void __cmplog_rtn_hook_strn(u8 *ptr1, u8 *ptr2, u64 len) { struct cmpfn_operands *cmpfn = (struct cmpfn_operands *)__afl_cmp_map->log[k]; hits &= CMP_MAP_RTN_H - 1; - if (unlikely(reset && !hits)) { __afl_cmp_map->headers[k].overflow = 1; } - - if (unlikely(__afl_cmp_map->headers[k].overflow)) { - - __builtin_memset((char *)&cmpfn[hits], 0, sizeof(struct cmpfn_operands)); - - } - cmpfn[hits].v0_len = 0x80 + l; cmpfn[hits].v1_len = 0x80 + l; __builtin_memcpy(cmpfn[hits].v0, ptr1, l); @@ -2050,14 +2034,6 @@ void __cmplog_rtn_hook_str(u8 *ptr1, u8 *ptr2) { struct cmpfn_operands *cmpfn = (struct cmpfn_operands *)__afl_cmp_map->log[k]; hits &= CMP_MAP_RTN_H - 1; - if (unlikely(reset && !hits)) { __afl_cmp_map->headers[k].overflow = 1; } - - if (unlikely(__afl_cmp_map->headers[k].overflow)) { - - __builtin_memset((char *)&cmpfn[hits], 0, sizeof(struct cmpfn_operands)); - - } - cmpfn[hits].v0_len = 0x80 + len1; cmpfn[hits].v1_len = 0x80 + len2; __builtin_memcpy(cmpfn[hits].v0, ptr1, len1); @@ -2116,14 +2092,6 @@ void __cmplog_rtn_hook(u8 *ptr1, u8 *ptr2) { struct cmpfn_operands *cmpfn = (struct cmpfn_operands *)__afl_cmp_map->log[k]; hits &= CMP_MAP_RTN_H - 1; - if (unlikely(reset && !hits)) { __afl_cmp_map->headers[k].overflow = 1; } - - if (unlikely(__afl_cmp_map->headers[k].overflow)) { - - __builtin_memset((char *)&cmpfn[hits], 0, sizeof(struct cmpfn_operands)); - - } - cmpfn[hits].v0_len = len; cmpfn[hits].v1_len = len; __builtin_memcpy(cmpfn[hits].v0, ptr1, len); |