diff options
Diffstat (limited to 'sandbox/linux/seccomp/securemem.cc')
| -rw-r--r-- | sandbox/linux/seccomp/securemem.cc | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sandbox/linux/seccomp/securemem.cc b/sandbox/linux/seccomp/securemem.cc index 0071c45..5f07bbe 100644 --- a/sandbox/linux/seccomp/securemem.cc +++ b/sandbox/linux/seccomp/securemem.cc @@ -72,13 +72,14 @@ void SecureMem::sendSystemCallInternal(int fd, bool locked, int parentMapsFd, : "q"(&mem->sequence) : "memory"); } - mem->syscallNum = syscallNum; - mem->arg1 = arg1; - mem->arg2 = arg2; - mem->arg3 = arg3; - mem->arg4 = arg4; - mem->arg5 = arg5; - mem->arg6 = arg6; + mem->callType = locked ? -2 : -1; + mem->syscallNum = syscallNum; + mem->arg1 = arg1; + mem->arg2 = arg2; + mem->arg3 = arg3; + mem->arg4 = arg4; + mem->arg5 = arg5; + mem->arg6 = arg6; asm volatile( #if defined(__x86_64__) "lock; incq (%0)\n" @@ -90,9 +91,8 @@ void SecureMem::sendSystemCallInternal(int fd, bool locked, int parentMapsFd, : : "q"(&mem->sequence) : "memory"); - int data = locked ? -2 : -1; Sandbox::SysCalls sys; - if (Sandbox::write(sys, fd, &data, sizeof(data)) != sizeof(data)) { + if (Sandbox::write(sys, fd, &mem->callType, sizeof(int)) != sizeof(int)) { Sandbox::die("Failed to send system call"); } if (parentMapsFd >= 0) { |