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| author | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-04-25 15:48:44 +0200 |
|---|---|---|
| committer | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-04-25 15:48:44 +0200 |
| commit | 3ab6c7feee8126bdfc5c9ab9371db41102e12e95 (patch) | |
| tree | a309c45826300b888238b6a517051fe7e71d63eb /js/src/jit/ProcessExecutableMemory.h | |
| parent | b18a9cf86ea25bc52d9cfea584e3aa8bfbe81f0a (diff) | |
| parent | b069dabc91b7e0f5f8d161cdbe598276a21d6d68 (diff) | |
| download | UXP-3ab6c7feee8126bdfc5c9ab9371db41102e12e95.tar UXP-3ab6c7feee8126bdfc5c9ab9371db41102e12e95.tar.gz UXP-3ab6c7feee8126bdfc5c9ab9371db41102e12e95.tar.lz UXP-3ab6c7feee8126bdfc5c9ab9371db41102e12e95.tar.xz UXP-3ab6c7feee8126bdfc5c9ab9371db41102e12e95.zip | |
Merge branch 'master' of https://github.com/MoonchildProductions/UXP into pm_url_1
Diffstat (limited to 'js/src/jit/ProcessExecutableMemory.h')
| -rw-r--r-- | js/src/jit/ProcessExecutableMemory.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit/ProcessExecutableMemory.h b/js/src/jit/ProcessExecutableMemory.h index 078ce7cb7..a0e2fab98 100644 --- a/js/src/jit/ProcessExecutableMemory.h +++ b/js/src/jit/ProcessExecutableMemory.h @@ -17,6 +17,14 @@ namespace jit { // alignment though. static const size_t ExecutableCodePageSize = 64 * 1024; +// Limit on the number of bytes of executable memory to prevent JIT spraying +// attacks. +#if JS_BITS_PER_WORD == 32 +static const size_t MaxCodeBytesPerProcess = 128 * 1024 * 1024; +#else +static const size_t MaxCodeBytesPerProcess = 1 * 1024 * 1024 * 1024; +#endif + enum class ProtectionSetting { Protected, // Not readable, writable, or executable. Writable, |