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Merge pull request #9942 from lucaswerkmeister/9939

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seccomp: fix #9939 and allow specifying multiple errnos for syscall
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Zbigniew Jędrzejewski-Szmek 2018-09-08 12:08:54 +02:00 committed by GitHub
commit a5404992cc
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1 changed files with 9 additions and 1 deletions
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10
src/shared/seccomp-util.c
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@ -1057,7 +1057,15 @@ int seccomp_parse_syscall_filter_full(
if (!(flags & SECCOMP_PARSE_INVERT) == !!(flags & SECCOMP_PARSE_WHITELIST)) {
r = hashmap_put(filter, INT_TO_PTR(id + 1), INT_TO_PTR(errno_num));
if (r < 0)
return flags & SECCOMP_PARSE_LOG ? log_oom() : -ENOMEM;
switch (r) {
case -ENOMEM:
return flags & SECCOMP_PARSE_LOG ? log_oom() : -ENOMEM;
case -EEXIST:
assert_se(hashmap_update(filter, INT_TO_PTR(id + 1), INT_TO_PTR(errno_num)) == 0);
break;
default:
return r;
}
} else
(void) hashmap_remove(filter, INT_TO_PTR(id + 1));
}