Deadlock when locking map in MultiArchRepo #70

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opened 2022-02-13 15:42:18 +01:00 by Jef Roosens · 1 comment

Jef Roosens commented

2022-02-13 15:42:18 +01:00

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Currently, when a MultiArchRepo tries to add a new package from a path, it deadlocks when trying to lock its repos map. This after having added a fix from spytheman that stopped a segfault.

Steps to reproduce (from scratch):

Note: these steps should be performed on the associated branch multi-arch-repos.

install libarchive & openssl
make clean (only if you haven't freshly cloned the repo)
make v to build the compiler
make run to start the application
python test.py 1 in another terminal session to send a single test package to the server

The result is that lock r.repos in the add_from_path function in file src/repo/multi.v deadlocks, causing the program to never progress. The program seems to still respond to async requests just fine, but they all lock up at the same line.

Currently, when a MultiArchRepo tries to add a new package from a path, it deadlocks when trying to lock its `repos` map. This after having added a fix from spytheman that stopped a segfault. Steps to reproduce (from scratch): **Note**: these steps should be performed on the associated branch `multi-arch-repos`. 0. install libarchive & openssl 1. `make clean` (only if you haven't freshly cloned the repo) 2. `make v` to build the compiler 3. `make run` to start the application 4. `python test.py 1` in another terminal session to send a single test package to the server The result is that `lock r.repos` in the `add_from_path` function in file `src/repo/multi.v` deadlocks, causing the program to never progress. The program seems to still respond to async requests just fine, but they all lock up at the same line.