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| author | Dmitry Vyukov <dvyukov@google.com> | 2017-08-09 16:29:35 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-08-09 16:29:35 +0200 |
| commit | 6bf1e337a0475b9a919243a262067008790ee6dd (patch) | |
| tree | 14eab0c8d82f66e65564e3f2a4ba53ccc74cf71e /docs/executing_syzkaller_programs.md | |
| parent | 7e288c0531f527d939d886566a8f2314f3657948 (diff) | |
Update executing_syzkaller_programs.md
Diffstat (limited to 'docs/executing_syzkaller_programs.md')
| -rw-r--r-- | docs/executing_syzkaller_programs.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/executing_syzkaller_programs.md b/docs/executing_syzkaller_programs.md index bd1570c0e..74fd49649 100644 --- a/docs/executing_syzkaller_programs.md +++ b/docs/executing_syzkaller_programs.md @@ -45,3 +45,9 @@ Several useful `syz-execprog` flags: ``` If you pass `-threaded=0 -collide=0`, programs will be executed as a simple single-threaded sequence of syscalls. `-threaded=1` forces execution of each syscall in a separate thread, so that execution can proceed over blocking syscalls. `-collide=0` forces second round of execution of syscalls when pairs of syscalls are executed concurrently. + +If you are replaying a reproducer program that contains a header along the following lines: +``` +#{Threaded:true Collide:true Repeat:true Procs:8 Sandbox:namespace Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:false} +``` +then you need to adjust `syz-execprog` flags based on the values in the header. Namely, `Threaded`/`Collide`/`Procs`/`Sandbox` directly relate to `-threaded`/`-collide`/`-procs`/`-sandbox` flags. If `Repeat` is set to `true`, add `-repeat=0` flag to `syz-execprog`. |