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less executions on variable paths

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vanhauser-thc 2021-05-25 09:08:31 +02:00
parent 909e43fd55
commit 109383f438
3 changed files with 5 additions and 3 deletions
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2
docs/Changelog.md
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@ -35,6 +35,8 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
afl++ ignores these and uses them for splicing instead. afl++ ignores these and uses them for splicing instead.
- added AFL_EXIT_ON_TIME env that will make afl-fuzz exit fuzzing after - added AFL_EXIT_ON_TIME env that will make afl-fuzz exit fuzzing after
no new paths have been found for n seconds no new paths have been found for n seconds
- when AFL_FAST_CAL is set a variable path will no be calibrated 8 times
instead of 40
- afl-cc: - afl-cc:
- We do not support llvm versions prior 6.0 anymore - We do not support llvm versions prior 6.0 anymore
- Fix for -pie compiled binaries with default afl-clang-fast PCGUARD - Fix for -pie compiled binaries with default afl-clang-fast PCGUARD

4
include/config.h
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@ -154,7 +154,7 @@
cases that show variable behavior): */ cases that show variable behavior): */
#define CAL_CYCLES 8U #define CAL_CYCLES 8U
#define CAL_CYCLES_LONG 40U #define CAL_CYCLES_LONG 20U
/* Number of subsequent timeouts before abandoning an input file: */ /* Number of subsequent timeouts before abandoning an input file: */
@ -163,7 +163,7 @@
/* Maximum number of unique hangs or crashes to record: */ /* Maximum number of unique hangs or crashes to record: */
#define KEEP_UNIQUE_HANG 500U #define KEEP_UNIQUE_HANG 500U
#define KEEP_UNIQUE_CRASH 5000U #define KEEP_UNIQUE_CRASH 10000U
/* Baseline number of random tweaks during a single 'havoc' stage: */ /* Baseline number of random tweaks during a single 'havoc' stage: */

2
src/afl-fuzz-run.c
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@ -410,7 +410,7 @@ u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem,
} }
var_detected = 1; var_detected = 1;
afl->stage_max = CAL_CYCLES_LONG; afl->stage_max = afl->fast_cal ? CAL_CYCLES : CAL_CYCLES_LONG;
} else { } else {