Chunyang Hui

Set socket send timeout with SO_SNDTIMEO but the request never complete

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In my code, I set `SO_SNDTIMEO` with setsockopt for a blocking socket and submit a send request with iouring. But it turns out that the send request never returns when...

[RFC] Support both internal trusted and cross-world untrusted Unix domain socket

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- Feature Name: cross_world_uds - Start Date: 11.25 # Summary Support Unix domain sockets in mainly two types: 1. Internal both-end trusted Unix domain socket communication 2. Cross-world untrusted (one...

Support Python Multiprocess

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- [x] Add support for posix spawn attribute for signal mask and signal action (SIG_DFL or SIG_IGN) [[1]](https://github.com/occlum/occlum/pull/424) - [x] Support ioctl TCGETS [[2]](https://github.com/occlum/occlum/pull/419) - [x] Support statfs syscall [[3]](https://github.com/occlum/occlum/pull/404)...

# Describe the bug When running bash demo built with musl in SGX simulation mode, it throws segment fault sometimes. # To reproduce Steps to reproduce the behavior: 1. run...

[RFC] Memory Management for SGX v2

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- Feature Name: memory_management_for_NGO - Start Date: 2021-8-20 # Summary [summary]: #summary This RFC is targeting the memory management design with NGO for better memory performance. # Motivation [motivation]: #motivation...

# Describe the bug Use `occlum start` to start the server and then use `occlum exec` multiple times to execute Spark. In the sixth run, the program crashed. Take a...

[BUG] Exiting process didn't return memory soon and cause ENOMEM in resource-constrained environment

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# Describe the bug In hardware CI env, we constantly see make test failed with spawn new process error. But we can hardly trigger this error on local machines or...

[BUG] ioctl SGXIOC_GET_EPID_GROUP_ID test failure on Aliyun SGX v2 VM

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# Describe the bug ioctl SGXIOC_GET_EPID_GROUP_ID test failure. # To reproduce Steps to reproduce the behavior: 1. TESTS=ioctl make test # Logs If applicable, add logs to help explain your...

# Describe the bug In an Occlum instance (e.g. hello_world), if a user first inputs` occlum start` and then somehow inputs `occlum run /bin/hello_world`, Occlum will panic. # Logs ```...