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Diffstat (limited to 'docs/INSTALL.md')
| -rw-r--r-- | docs/INSTALL.md | 35 |
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diff --git a/docs/INSTALL.md b/docs/INSTALL.md index 32616958..fc57f546 100644 --- a/docs/INSTALL.md +++ b/docs/INSTALL.md @@ -130,41 +130,6 @@ sysctl kern.sysv.shmall=98304 See http://www.spy-hill.com/help/apple/SharedMemory.html for documentation for these settings and how to make them permanent. -MacOS X supports SYSV shared memory used by AFL's instrumentation, but the -default settings aren't usable with AFL++. The default settings on 10.14 seem -to be: - -```bash -$ ipcs -M -IPC status from <running system> as of XXX -shminfo: - shmmax: 4194304 (max shared memory segment size) - shmmin: 1 (min shared memory segment size) - shmmni: 32 (max number of shared memory identifiers) - shmseg: 8 (max shared memory segments per process) - shmall: 1024 (max amount of shared memory in pages) -``` - -To temporarily change your settings to something minimally usable with AFL++, -run these commands as root: - -```bash -sysctl kern.sysv.shmmax=8388608 -sysctl kern.sysv.shmall=4096 -``` - -If you're running more than one instance of AFL you likely want to make `shmall` -bigger and increase `shmseg` as well: - -```bash -sysctl kern.sysv.shmmax=8388608 -sysctl kern.sysv.shmseg=48 -sysctl kern.sysv.shmall=98304 -``` - -See http://www.spy-hill.com/help/apple/SharedMemory.html for documentation for -these settings and how to make them permanent. - ## 4. Linux or *BSD on non-x86 systems Standard build will fail on non-x86 systems, but you should be able to |