ubpf

ubpf copied to clipboard

uBPF should support > 64 helper_id

6

https://github.com/iovisor/ubpf/blob/6492b7a9363ea1e32194a95b66617df0f7fd42de/vm/ubpf_vm.c#L27 The [ebpf-for-windows](https://github.com/microsoft/ebpf-for-windows) uses a disjointed helper-id space, allowing for both global helper functions and program type specific helper functions, with the following mapping: 0x1-0xFFFF - Global helper functions usable...

Alan-Jowett

uBPF should support support the new atomic instructions

1

uBPF should support support the new atomic instructions eBPF ABI was extended to add support for atomic operations: https://lwn.net/Articles/842354/ This is important as it allow eBPF programs to update maps...

Alan-Jowett

What is the simplest `prog.c` can be passed to `vm/test`?

12

Hello, I'd like to play with this tool, however, I'm not quite sure how to get started with it. Is there a simple example to get started with? Like a...

sarsanaee

Interest in verifier passes?

3

I'm interested in adding support to ubpf for verifier passes that are similar in purpose to what the kernel has. My primary question is: are these passes desired? If so,...

jpsamaroo

ELF64_R_TYPE from clang is 10 not 2

1

Hi guys, thanks for pulling this repo together. Very interesting read. When reviewing the code I noticed that you expect relocation type 2. I think clang produces ELF code with...

rolfandersson

Reject BPF program if uninitialized stack or registers are accessed during interpret path

1

This pull request includes changes to improve the `ubpf` library. The most important changes include adding a new libfuzzer based fuzzer, modifying the `LLVMFuzzerTestOneInput` function to compare the results of...

Alan-Jowett

build(deps): bump ossf/scorecard-action from 2.0.6 to 2.3.3

1

Bumps [ossf/scorecard-action](https://github.com/ossf/scorecard-action) from 2.0.6 to 2.3.3. Release notes Sourced from ossf/scorecard-action's releases. v2.3.3 [!NOTE] There is no v2.3.2 release as a step was skipped in the release process. This was...

dependabot[bot]

build(deps): bump actions/checkout from 4.1.5 to 4.1.6

1

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.5 to 4.1.6. Release notes Sourced from actions/checkout's releases. v4.1.6 What's Changed Check platform to set archive extension appropriately by @​cory-miller in actions/checkout#1732 Update for 4.1.6 release...

dependabot[bot]

All ALU32 operations are supposed to truncate the target register. Adding code to ensure that this is always done.

Alan-Jowett

Run ubpf_test over every file in corpus

1

Execute the ubpf_test binary over each file in the fuzzing corpus, first using the interpreter then using JIT.

Alan-Jowett