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authorvanhauser-thc <vh@thc.org>2021-11-02 20:21:43 +0100
committervanhauser-thc <vh@thc.org>2021-11-02 20:21:43 +0100
commit5bcb7a8fed18247e827452b127c6e4a6240bb93b (patch)
tree2ba9c86f9fa8d9a40ac0ea0609abb4b40bd39903 /frida_mode/src
parentf35e71ca11babe72cf0a5c7aa99c9a42aceef5fa (diff)
downloadafl++-5bcb7a8fed18247e827452b127c6e4a6240bb93b.tar.gz
modify frida for new cmplog
Diffstat (limited to 'frida_mode/src')
-rw-r--r--frida_mode/src/cmplog/cmplog_arm64.c51
-rw-r--r--frida_mode/src/cmplog/cmplog_x64.c50
-rw-r--r--frida_mode/src/cmplog/cmplog_x86.c51
3 files changed, 117 insertions, 35 deletions
diff --git a/frida_mode/src/cmplog/cmplog_arm64.c b/frida_mode/src/cmplog/cmplog_arm64.c
index dd97f38d..ccc8e89e 100644
--- a/frida_mode/src/cmplog/cmplog_arm64.c
+++ b/frida_mode/src/cmplog/cmplog_arm64.c
@@ -104,9 +104,9 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
gsize x0 = ctx_read_reg(context, ARM64_REG_X0);
gsize x1 = ctx_read_reg(context, ARM64_REG_X1);
- if (((G_MAXULONG - x0) < 32) || ((G_MAXULONG - x1) < 32)) return;
+ if (((G_MAXULONG - x0) < 31) || ((G_MAXULONG - x1) < 31)) return;
- if (!cmplog_is_readable(x0, 32) || !cmplog_is_readable(x1, 32)) return;
+ if (!cmplog_is_readable(x0, 31) || !cmplog_is_readable(x1, 31)) return;
void *ptr1 = GSIZE_TO_POINTER(x0);
void *ptr2 = GSIZE_TO_POINTER(x1);
@@ -116,18 +116,36 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 1;
- __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_RTN) {
+
+ __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ __afl_cmp_map->headers[k].hits = 0;
+
+ }
+
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
+
+ __afl_cmp_map->headers[k].shape = 30;
+
+ } else {
+
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
- u32 hits = __afl_cmp_map->headers[k].hits;
__afl_cmp_map->headers[k].hits = hits + 1;
- __afl_cmp_map->headers[k].shape = 31;
+ __afl_cmp_map->headers[k].shape = 30;
hits &= CMP_MAP_RTN_H - 1;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0_len = 31;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1_len = 31;
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0, ptr1,
- 32);
+ 31);
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1, ptr2,
- 32);
+ 31);
}
@@ -193,12 +211,23 @@ static void cmplog_handle_cmp_sub(GumCpuContext *context, gsize operand1,
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 1;
- __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_INS)
+ __afl_cmp_map->headers[k].hits = 0;
- u32 hits = __afl_cmp_map->headers[k].hits;
- __afl_cmp_map->headers[k].hits = hits + 1;
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
+
+ __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ __afl_cmp_map->headers[k].shape = (size - 1);
+
+ } else {
- __afl_cmp_map->headers[k].shape = (size - 1);
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
+
+ __afl_cmp_map->headers[k].hits = hits + 1;
hits &= CMP_MAP_H - 1;
__afl_cmp_map->log[k][hits].v0 = operand1;
diff --git a/frida_mode/src/cmplog/cmplog_x64.c b/frida_mode/src/cmplog/cmplog_x64.c
index 0d18767a..5319f727 100644
--- a/frida_mode/src/cmplog/cmplog_x64.c
+++ b/frida_mode/src/cmplog/cmplog_x64.c
@@ -99,9 +99,9 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
gsize rdi = ctx_read_reg(context, X86_REG_RDI);
gsize rsi = ctx_read_reg(context, X86_REG_RSI);
- if (((G_MAXULONG - rdi) < 32) || ((G_MAXULONG - rsi) < 32)) return;
+ if (((G_MAXULONG - rdi) < 31) || ((G_MAXULONG - rsi) < 31)) return;
- if (!cmplog_is_readable(rdi, 32) || !cmplog_is_readable(rsi, 32)) return;
+ if (!cmplog_is_readable(rdi, 31) || !cmplog_is_readable(rsi, 31)) return;
void *ptr1 = GSIZE_TO_POINTER(rdi);
void *ptr2 = GSIZE_TO_POINTER(rsi);
@@ -111,18 +111,34 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 1;
- __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_RTN) {
- u32 hits = __afl_cmp_map->headers[k].hits;
- __afl_cmp_map->headers[k].hits = hits + 1;
+ __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ __afl_cmp_map->headers[k].hits = 0;
+
+ }
+
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
+
+ __afl_cmp_map->headers[k].shape = 30;
+
+ } else {
+
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
- __afl_cmp_map->headers[k].shape = 31;
+ __afl_cmp_map->headers[k].hits = hits + 1;
hits &= CMP_MAP_RTN_H - 1;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0_len = 31;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1_len = 31;
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0, ptr1,
- 32);
+ 31);
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1, ptr2,
- 32);
+ 31);
}
@@ -179,13 +195,23 @@ static void cmplog_handle_cmp_sub(GumCpuContext *context, gsize operand1,
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 7;
- __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_INS)
+ __afl_cmp_map->headers[k].hits = 0;
- u32 hits = __afl_cmp_map->headers[k].hits;
- __afl_cmp_map->headers[k].hits = hits + 1;
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
+
+ __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ __afl_cmp_map->headers[k].shape = (size - 1);
- __afl_cmp_map->headers[k].shape = (size - 1);
+ } else {
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
+
+ __afl_cmp_map->headers[k].hits = hits + 1;
hits &= CMP_MAP_H - 1;
__afl_cmp_map->log[k][hits].v0 = operand1;
__afl_cmp_map->log[k][hits].v1 = operand2;
diff --git a/frida_mode/src/cmplog/cmplog_x86.c b/frida_mode/src/cmplog/cmplog_x86.c
index dd666c34..27d06720 100644
--- a/frida_mode/src/cmplog/cmplog_x86.c
+++ b/frida_mode/src/cmplog/cmplog_x86.c
@@ -104,9 +104,9 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
gsize arg1 = esp[0];
gsize arg2 = esp[1];
- if (((G_MAXULONG - arg1) < 32) || ((G_MAXULONG - arg2) < 32)) return;
+ if (((G_MAXULONG - arg1) < 31) || ((G_MAXULONG - arg2) < 31)) return;
- if (!cmplog_is_readable(arg1, 32) || !cmplog_is_readable(arg2, 32)) return;
+ if (!cmplog_is_readable(arg1, 31) || !cmplog_is_readable(arg2, 31)) return;
void *ptr1 = GSIZE_TO_POINTER(arg1);
void *ptr2 = GSIZE_TO_POINTER(arg2);
@@ -116,18 +116,34 @@ static void cmplog_call_callout(GumCpuContext *context, gpointer user_data) {
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 1;
- __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_RTN) {
- u32 hits = __afl_cmp_map->headers[k].hits;
- __afl_cmp_map->headers[k].hits = hits + 1;
+ __afl_cmp_map->headers[k].type = CMP_TYPE_RTN;
+ __afl_cmp_map->headers[k].hits = 0;
+
+ }
+
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
- __afl_cmp_map->headers[k].shape = 31;
+ __afl_cmp_map->headers[k].shape = 30;
+
+ } else {
+
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
+
+ __afl_cmp_map->headers[k].hits = hits + 1;
hits &= CMP_MAP_RTN_H - 1;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0_len = 31;
+ ((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1_len = 31;
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v0, ptr1,
- 32);
+ 31);
gum_memcpy(((struct cmpfn_operands *)__afl_cmp_map->log[k])[hits].v1, ptr2,
- 32);
+ 31);
}
@@ -184,12 +200,23 @@ static void cmplog_handle_cmp_sub(GumCpuContext *context, gsize operand1,
k = (k >> 4) ^ (k << 8);
k &= CMP_MAP_W - 1;
- __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ if (__afl_cmp_map->headers[k].type != CMP_TYPE_INS)
+ __afl_cmp_map->headers[k].hits = 0;
- u32 hits = __afl_cmp_map->headers[k].hits;
- __afl_cmp_map->headers[k].hits = hits + 1;
+ u32 hits = 0;
+
+ if (__afl_cmp_map->headers[k].hits == 0) {
+
+ __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+ __afl_cmp_map->headers[k].shape = (size - 1);
+
+ } else {
- __afl_cmp_map->headers[k].shape = (size - 1);
+ hits = __afl_cmp_map->headers[k].hits;
+
+ }
+
+ __afl_cmp_map->headers[k].hits = hits + 1;
hits &= CMP_MAP_H - 1;
__afl_cmp_map->log[k][hits].v0 = operand1;