- (djm) [sandbox-seccomp-filter.c] Soft-fail stat() syscalls. Add XXX to

remind myself to add sandbox violation logging via the log socket.

ChangeLog

@@ -1,3 +1,7 @@
+20140317
+ - (djm) [sandbox-seccomp-filter.c] Soft-fail stat() syscalls. Add XXX to
+   remind myself to add sandbox violation logging via the log socket.
+
 20140314
  - (tim) [opensshd.init.in] Add support for ed25519
 

sandbox-seccomp-filter.c

@@ -25,6 +25,8 @@
  */
 /* #define SANDBOX_SECCOMP_FILTER_DEBUG 1 */
 
+/* XXX it should be possible to do logging via the log socket safely */
+
 #ifdef SANDBOX_SECCOMP_FILTER_DEBUG
 /* Use the kernel headers in case of an older toolchain. */
 # include <asm/siginfo.h>
@@ -89,6 +91,7 @@ static const struct sock_filter preauth_insns[] = {
 	BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
 		offsetof(struct seccomp_data, nr)),
 	SC_DENY(open, EACCES),
+	SC_DENY(stat, EACCES),
 	SC_ALLOW(getpid),
 	SC_ALLOW(gettimeofday),
 	SC_ALLOW(clock_gettime),