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Kernel: Exclude userspace heap memory from coredumps by default

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When a process with a large heap crashes (e.g WebContent), it gets very
cumbersome to dump out a huge amount of memory.

In the vast majority of cases, we're only interested in generating a
nice backtrace from the coredump, so let's have the kernel skip over
userspace heap regions when dumping memory for now.

This is not ideal, and almost a little bit ugly, but it does make
investigating 500 MiB WebContent crashes significantly easier for now.
This commit is contained in:
Andreas Kling 2021-09-30 17:52:02 +02:00
parent 94d0562569
commit eeb4f2fa9b
2 changed files with 34 additions and 3 deletions
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2
Kernel/Coredump.h
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@ -37,7 +37,7 @@ private:
NonnullRefPtr<Process> m_process;
NonnullRefPtr<OpenFileDescription> m_description;
const size_t m_num_program_headers;
size_t m_num_program_headers { 0 };
};
}