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From: | Mikhail Durnev |
Subject: | Use /proc/<pid>/root for remote unwinding |
Date: | Wed, 15 Jul 2020 14:25:04 +1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
Dear libunwind maintainers,I will highly appreciate if you take a look into my patch on GitHub: https://github.com/libunwind/libunwind/pull/195
When we are backtracing processes running in a container, we cannot rely on ELF paths in /proc/[pid]/maps. Those paths are valid inside the container. We have to add /proc/[pid]/root to each path to access the ELF files from outside of the container.
Thanks, Mikhail
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