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authorKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
committerKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
commit62357a0afb5f4128a11dc9a1dfadd2957ec39e2d (patch)
tree2f93dc1bb5680434f3bcd69df60d45af89777a94 /test/util/save_util_linux.cc
parentbd292894097ffdf316bc78d81aebd0a2988124f3 (diff)
parent2ba6198851dc1e293295d7cadf8c0ae456b68beb (diff)
Merge branch 'master' into iptables-write-filter-proto
Diffstat (limited to 'test/util/save_util_linux.cc')
-rw-r--r--test/util/save_util_linux.cc14
1 files changed, 13 insertions, 1 deletions
diff --git a/test/util/save_util_linux.cc b/test/util/save_util_linux.cc
index 7a0f14342..cd56118c0 100644
--- a/test/util/save_util_linux.cc
+++ b/test/util/save_util_linux.cc
@@ -18,13 +18,25 @@
#include "test/util/save_util.h"
+#if defined(__x86_64__) || defined(__i386__)
+#define SYS_TRIGGER_SAVE SYS_create_module
+#elif defined(__aarch64__)
+#define SYS_TRIGGER_SAVE SYS_finit_module
+#else
+#error "Unknown architecture"
+#endif
+
namespace gvisor {
namespace testing {
void MaybeSave() {
if (internal::ShouldSave()) {
int orig_errno = errno;
- syscall(SYS_create_module, nullptr, 0);
+ // We use it to trigger saving the sentry state
+ // when this syscall is called.
+ // Notice: this needs to be a valid syscall
+ // that is not used in any of the syscall tests.
+ syscall(SYS_TRIGGER_SAVE, nullptr, 0);
errno = orig_errno;
}
}