medfall

commit 97315fc8cf26c3cfb6655c001a5bb54e7b28eb89
parent a85591b173cc31d0caaeb884510ae088c3aa9b2b
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sun Apr 23 23:53:48 +0300

Warn on EPERM in autogdb

Diffstat:
autogdb.h
 | 
5
+++++
1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/autogdb.h b/autogdb.h
@@ -80,6 +80,11 @@ static bool being_debugged() {
 	if( child_pid == 0 ) {
 		// if we can't ptrace the parent then gdb is already there
 		if( ptrace( PTRACE_ATTACH, parent_pid, NULL, NULL ) != 0 ) {
+			if( errno == EPERM ) {
+				printf( "! echo 0 > /proc/sys/kernel/yama/ptrace_scope\n" );
+				printf( "! or\n" );
+				printf( "! sysctl kernel.yama.ptrace_scope=0\n" );
+			}
 			exit( 1 );
 		}