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[tor-commits] [tor/master] Do not try to add non-existent syscalls.
commit e9ec0cb5506b81f7f7c54e06a95dafac4acb38e3
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Mon Sep 9 15:37:45 2013 -0400
Do not try to add non-existent syscalls.
---
src/common/sandbox.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/common/sandbox.c b/src/common/sandbox.c
index c6c9348..a5bc892 100644
--- a/src/common/sandbox.c
+++ b/src/common/sandbox.c
@@ -1187,10 +1187,12 @@ add_noparam_filter(scmp_filter_ctx ctx)
// add general filters
for (i = 0; i < ARRAY_LENGTH(filter_nopar_gen); i++) {
+ if (filter_nopar_gen[i] < 0)
+ continue;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, filter_nopar_gen[i], 0);
if (rc != 0) {
- log_err(LD_BUG,"(Sandbox) failed to add syscall index %d, "
- "received libseccomp error %d", i, rc);
+ log_err(LD_BUG,"(Sandbox) failed to add syscall index %d (NR=%d), "
+ "received libseccomp error %d", i, filter_nopar_gen[i], rc);
return rc;
}
}
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