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fix(app_actions): base_syscalls check for empty string

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Signed-off-by: Melissa Kilby <melissa.kilby.oss@gmail.com>
This commit is contained in:
Melissa Kilby 2023-02-23 23:14:56 +00:00 committed by poiana
parent 58dc60e58d
commit 0de9af9ed0
1 changed files with 9 additions and 6 deletions
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15
userspace/falco/app/actions/helpers_interesting_sets.cpp
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@ -23,13 +23,16 @@ void extract_base_syscalls_names(const std::unordered_set<std::string>& base_sys
{
for (const std::string &ev : base_syscalls_names)
{
if(ev.at(0) == '!')
if (!ev.empty())
{
negative_names.insert(ev.substr(1, ev.size()));
}
else
{
positive_names.insert(ev);
if (ev.at(0) == '!')
{
negative_names.insert(ev.substr(1, ev.size()));
}
else
{
positive_names.insert(ev);
}
}
}
}