commit d9fb4a434d634b3076438dfedfa09bc19878354e
author Dmitry V. Levin <ldv@altlinux.org> Thu May 12 16:58:38 2016 +0000
committer Dmitry V. Levin <ldv@altlinux.org> Fri May 13 01:39:41 2016 +0000
tree 521d7d4ca4ea447703960c80d04e88609eb2fe7f
parent 846f617805d5ba2a3713af06918202b4e0a4f679

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.

process.c

diff --git a/process.c b/process.c
index 39eb21f..19b616d 100644
--- a/process.c
+++ b/process.c
@@ -212,6 +212,7 @@
 		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 @@
 		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;