diff options
author | vanhauser-thc <vh@thc.org> | 2021-04-28 10:59:34 +0200 |
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committer | vanhauser-thc <vh@thc.org> | 2021-04-28 10:59:34 +0200 |
commit | dde0538b484df627dac14ff030dd09f55c78558e (patch) | |
tree | dda2a4eee4079d9605c002429f8944cfcbb500d8 | |
parent | 39ad3b89467d6de12cbb9d08ccd77d331c0d1f9e (diff) | |
download | afl++-dde0538b484df627dac14ff030dd09f55c78558e.tar.gz |
nits
-rw-r--r-- | docs/Changelog.md | 1 | ||||
m--------- | qemu_mode/qemuafl | 0 | ||||
-rw-r--r-- | utils/aflpp_driver/aflpp_qemu_driver_hook.c | 10 | ||||
-rwxr-xr-x | utils/qbdi_mode/template.cpp | 2 | ||||
-rw-r--r-- | utils/qemu_persistent_hook/read_into_rdi.c | 10 |
5 files changed, 12 insertions, 11 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md index 520b13b1..90a1d140 100644 --- a/docs/Changelog.md +++ b/docs/Changelog.md @@ -10,6 +10,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>. ### Version ++3.13a (development) - frida_mode - new mode that uses frida to fuzz binary-only targets, + it currently supports persistent mode and cmplog. thanks to @WorksButNotTested! - create a fuzzing dictionary with the help of CodeQL thanks to @microsvuln! see utils/autodict_ql diff --git a/qemu_mode/qemuafl b/qemu_mode/qemuafl -Subproject d1ca56b84e78f821406eef28d836918edfc8d61 +Subproject d73b0336b451fd034e5f469089fb7ee96c80adf diff --git a/utils/aflpp_driver/aflpp_qemu_driver_hook.c b/utils/aflpp_driver/aflpp_qemu_driver_hook.c index d3dd98b0..2979fadc 100644 --- a/utils/aflpp_driver/aflpp_qemu_driver_hook.c +++ b/utils/aflpp_driver/aflpp_qemu_driver_hook.c @@ -3,12 +3,12 @@ #include <stdint.h> #include <string.h> -void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, - uint8_t *input_buf, uint32_t input_buf_len) { - #define g2h(x) ((void *)((unsigned long)(x) + guest_base)) #define h2g(x) ((uint64_t)(x)-guest_base) +void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, + uint8_t *input_buf, uint32_t input_buf_len) { + // In this example the register RDI is pointing to the memory location // of the target buffer, and the length of the input is in RSI. // This can be seen with a debugger, e.g. gdb (and "disass main") @@ -16,11 +16,11 @@ void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, memcpy(g2h(regs->rdi), input_buf, input_buf_len); regs->rsi = input_buf_len; +} + #undef g2h #undef h2g -} - int afl_persistent_hook_init(void) { // 1 for shared memory input (faster), 0 for normal input (you have to use diff --git a/utils/qbdi_mode/template.cpp b/utils/qbdi_mode/template.cpp index 888ecb58..182a014b 100755 --- a/utils/qbdi_mode/template.cpp +++ b/utils/qbdi_mode/template.cpp @@ -25,7 +25,7 @@ #if (defined(__x86_64__) || defined(__i386__)) && defined(AFL_QEMU_NOT_ZERO) #define INC_AFL_AREA(loc) \ asm volatile( \ - "addb $1, (%0, %1, 1)\n" \ + "addb $1, (%0, %1, 1)\n" \ "adcb $0, (%0, %1, 1)\n" \ : /* no out */ \ : "r"(afl_area_ptr), "r"(loc) \ diff --git a/utils/qemu_persistent_hook/read_into_rdi.c b/utils/qemu_persistent_hook/read_into_rdi.c index c1c6642f..14b2ed85 100644 --- a/utils/qemu_persistent_hook/read_into_rdi.c +++ b/utils/qemu_persistent_hook/read_into_rdi.c @@ -3,12 +3,12 @@ #include <stdio.h> #include <string.h> -void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, - uint8_t *input_buf, uint32_t input_buf_len) { - #define g2h(x) ((void *)((unsigned long)(x) + guest_base)) #define h2g(x) ((uint64_t)(x)-guest_base) +void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, + uint8_t *input_buf, uint32_t input_buf_len) { + // In this example the register RDI is pointing to the memory location // of the target buffer, and the length of the input is in RSI. // This can be seen with a debugger, e.g. gdb (and "disass main") @@ -19,11 +19,11 @@ void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base, memcpy(g2h(regs->rdi), input_buf, input_buf_len); regs->rsi = input_buf_len; +} + #undef g2h #undef h2g -} - int afl_persistent_hook_init(void) { // 1 for shared memory input (faster), 0 for normal input (you have to use |