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enable snapshot lkm for llvm_mode persistent mode

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van Hauser
2020-05-27 17:17:33 +02:00
parent aace0d1192
commit af670ca138
3 changed files with 4 additions and 1 deletions
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1
docs/Changelog.md
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@ -31,6 +31,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
- fixed crash in compare-transform-pass when strcasecmp/strncasecmp was - fixed crash in compare-transform-pass when strcasecmp/strncasecmp was
tried to be instrumented with LTO tried to be instrumented with LTO
- fixed crash in cmplog with LTO - fixed crash in cmplog with LTO
- enable snapshot lkm also for persistent mode
- persistent mode shared memory testcase handover (instead of via - persistent mode shared memory testcase handover (instead of via
files/stdin) - 10-100% performance increase files/stdin) - 10-100% performance increase
- General support for 64 bit PowerPC, RiscV, Sparc etc. - General support for 64 bit PowerPC, RiscV, Sparc etc.

2
llvm_mode/afl-clang-fast.c
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@ -206,6 +206,8 @@ static void edit_params(u32 argc, char **argv, char **envp) {
} }
cc_params[cc_par_cnt++] = "-Wno-unused-command-line-argument";
if (lto_mode && cpp_mode) if (lto_mode && cpp_mode)
cc_params[cc_par_cnt++] = "-lc++"; // needed by fuzzbench, early cc_params[cc_par_cnt++] = "-lc++"; // needed by fuzzbench, early

2
llvm_mode/afl-llvm-rt.o.c
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@ -519,7 +519,7 @@ static void __afl_start_snapshots(void) {
static void __afl_start_forkserver(void) { static void __afl_start_forkserver(void) {
#ifdef __linux__ #ifdef __linux__
if (!is_persistent && !__afl_cmp_map && !getenv("AFL_NO_SNAPSHOT") && if (/*!is_persistent &&*/ !__afl_cmp_map && !getenv("AFL_NO_SNAPSHOT") &&
afl_snapshot_init() >= 0) { afl_snapshot_init() >= 0) {
__afl_start_snapshots(); __afl_start_snapshots();