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android_system_core
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debuggerd_handler: don't dump PR_NO_NEW_PRIVS processes. 

We can't do an selinux transition when this is on.

Bug: http://b/34472671
Test: logcat -c; debuggerd `pidof media.codec`; logcat
Change-Id: Ie6c1832ab838df48879c32a86126862de9a15420
This commit is contained in:
Josh Gao 2017-01-25 11:15:37 -08:00
parent 529b3066d5
commit 7e14d020f1
1 changed files with 7 additions and 0 deletions
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7
debuggerd/handler/debuggerd_handler.cpp
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@ -301,7 +301,14 @@ static void debuggerd_signal_handler(int signal_number, siginfo_t* info, void*)
// The process has disabled core dumps and PTRACE_ATTACH, and does not want to be dumped.
__libc_format_log(ANDROID_LOG_INFO, "libc",
"Suppressing debuggerd output because prctl(PR_GET_DUMPABLE)==0");
resend_signal(info, false);
return;
}
if (prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0) == 1) {
// The process has NO_NEW_PRIVS enabled, so we can't transition to the crash_dump context.
__libc_format_log(ANDROID_LOG_INFO, "libc",
"Suppressing debuggerd output because prctl(PR_GET_NO_NEW_PRIVS)==1");
resend_signal(info, false);
return;
}