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Do not try to add non-existent syscalls.

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This commit is contained in:
Nick Mathewson 2013-09-09 15:37:45 -04:00
parent 4e00625bbe
commit e9ec0cb550
1 changed files with 4 additions and 2 deletions
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6
src/common/sandbox.c
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@ -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;
}
}