From: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu, 12 May 2016 16:58:38 +0000 (+0000)
Subject: ptrace: decode data argument of PTRACE_SECCOMP_GET_FILTER request
X-Git-Tag: v4.12~171
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d9fb4a434d634b3076438dfedfa09bc19878354e;p=strace

ptrace: decode data argument of PTRACE_SECCOMP_GET_FILTER request

* process.c (SYS_FUNC(ptrace)): Print data argument of
PTRACE_SECCOMP_GET_FILTER request on exiting using print_seccomp_fprog.
---

diff --git a/process.c b/process.c
index 39eb21f9..19b616d0 100644
--- a/process.c
+++ b/process.c
@@ -212,6 +212,7 @@ SYS_FUNC(ptrace)
 		case PTRACE_GETREGSET:
 		case PTRACE_GETSIGINFO:
 		case PTRACE_GETSIGMASK:
+		case PTRACE_SECCOMP_GET_FILTER:
 			if (verbose(tcp)) {
 				/* print data on exiting syscall */
 				return 0;
@@ -244,6 +245,12 @@ SYS_FUNC(ptrace)
 		case PTRACE_GETSIGMASK:
 			print_sigset_addr_len(tcp, data, addr);
 			break;
+		case PTRACE_SECCOMP_GET_FILTER:
+			if (syserror(tcp))
+				printaddr(data);
+			else
+				print_seccomp_fprog(tcp, data, tcp->u_rval);
+			break;
 		}
 	}
 	return 0;