[tor-commits] [tor/maint-0.3.3] Remove sb_poll check: all poll() calls are ok.

[nickm at torproject.org]

commit 9f93bcd16d70b540c518acee56a440be12072ef7
Author: Nick Mathewson <nickm at torproject.org>
Date:   Tue Mar 20 08:30:21 2018 -0400

    Remove sb_poll check: all poll() calls are ok.
---
 src/common/sandbox.c | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/src/common/sandbox.c b/src/common/sandbox.c
index c1b7bfe5e..87fe08e88 100644
--- a/src/common/sandbox.c
+++ b/src/common/sandbox.c
@@ -1063,25 +1063,6 @@ sb_mremap(scmp_filter_ctx ctx, sandbox_cfg_t *filter)
   return 0;
 }
 
-/**
- * Function responsible for setting up the poll syscall for
- * the seccomp filter sandbox.
- */
-static int
-sb_poll(scmp_filter_ctx ctx, sandbox_cfg_t *filter)
-{
-  int rc = 0;
-  (void) filter;
-
-  rc = seccomp_rule_add_2(ctx, SCMP_ACT_ALLOW, SCMP_SYS(poll),
-      SCMP_CMP(1, SCMP_CMP_EQ, 1),
-      SCMP_CMP(2, SCMP_CMP_EQ, 10));
-  if (rc)
-    return rc;
-
-  return 0;
-}
-
 #ifdef __NR_stat64
 /**
  * Function responsible for setting up the stat64 syscall for
@@ -1156,7 +1137,6 @@ static sandbox_filter_func_t filter_func[] = {
     sb_flock,
     sb_futex,
     sb_mremap,
-    sb_poll,
 #ifdef __NR_stat64
     sb_stat64,
 #endif