From 541d79d7a840465fd610c0c0fe7b5cc3f675d468 Mon Sep 17 00:00:00 2001
From: mansukim1125 <mansukim1125@gmail.com>
Date: Thu, 20 Jan 2022 00:59:41 +0900
Subject: [PATCH] fix: always occur signal 31 when executing C-based program

---
 src/rules/c_cpp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rules/c_cpp.c b/src/rules/c_cpp.c
index dc92453..567641e 100644
--- a/src/rules/c_cpp.c
+++ b/src/rules/c_cpp.c
@@ -17,7 +17,7 @@ int _c_cpp_seccomp_rules(struct config *_config, bool allow_write_file) {
                                 SCMP_SYS(close), SCMP_SYS(readlink),
                                 SCMP_SYS(sysinfo), SCMP_SYS(write),
                                 SCMP_SYS(writev), SCMP_SYS(lseek),
-                                SCMP_SYS(clock_gettime)};
+                                SCMP_SYS(clock_gettime), SCMP_SYS(pread64)}; // add extra rule for pread64
 
     int syscalls_whitelist_length = sizeof(syscalls_whitelist) / sizeof(int);
     scmp_filter_ctx ctx = NULL;