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Commit f631982e authored by Florian Mayer's avatar Florian Mayer Committed by Automerger Merge Worker
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Merge "[MTE] add device config for permissive mode" am: 0b2cf1d6 am: 87fa70ee 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2219637



Change-Id: I502104387cb8697b4be9386604055771b18364d0
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 055cddda 87fa70ee

debuggerd/handler/debuggerd_handler.cpp

+6 −0
Original line number Diff line number Diff line
@@ -103,9 +103,15 @@ static bool property_parse_bool(const char* name) { 
static bool is_permissive_mte() {

  // Environment variable for testing or local use from shell.

  char* permissive_env = getenv("MTE_PERMISSIVE");

  char process_sysprop_name[512];

  async_safe_format_buffer(process_sysprop_name, sizeof(process_sysprop_name),

                           "persist.device_config.memory_safety_native.permissive.process.%s",

                           getprogname());

  // DO NOT REPLACE this with GetBoolProperty. That uses std::string which allocates, so it is

  // not async-safe (and this functiong gets used in a signal handler).

  return property_parse_bool("persist.sys.mte.permissive") ||

         property_parse_bool("persist.device_config.memory_safety_native.permissive.default") ||

         property_parse_bool(process_sysprop_name) ||

         (permissive_env && ParseBool(permissive_env) == ParseBoolResult::kTrue);

}