ptrace: do not print arguments of PTRACE_TRACEME request

As kernel ignores arguments of PTRACE_TRACEME request, we do not print them either. * process.c (SYS_FUNC(ptrace)): If request is PTRACE_TRACEME, return early with RVAL_DECODED.
2016-05-12 15:03:58 +00:00 · 2016-05-12 15:03:58 +00:00 · 89ca4aa140
commit 89ca4aa140
parent 73a8e97d56
1 changed files with 5 additions and 0 deletions
--- a/process.c
+++ b/process.c
@ -91,6 +91,11 @@ SYS_FUNC(ptrace)
 		/* request */
 		printxval64(ptrace_cmds, request, "PTRACE_???");

+		if (request == PTRACE_TRACEME) {
+			/* pid, addr, and data are ignored. */
+			return RVAL_DECODED;
+		}
+
 		/* pid */
 		tprintf(", %d, ", pid);