On 5/6/25 11:46, Stefano Garzarella wrote: > On Tue, 6 May 2025 at 11:43, Stefano Garzarella <sgarzare@xxxxxxxxxx> wrote: >> >> On Thu, May 01, 2025 at 10:05:24AM +0200, Michal Luczaj wrote: >>> There was an issue with SO_LINGER: instead of blocking until all queued >>> messages for the socket have been successfully sent (or the linger timeout >>> has been reached), close() would block until packets were handled by the >>> peer. >> >> This is a new behaviour that only new kernels will follow, so I think >> it is better to add a new test instead of extending a pre-existing test >> that we described as "SOCK_STREAM SO_LINGER null-ptr-deref". >> >> The old test should continue to check the null-ptr-deref also for old >> kernels, while the new test will check the new behaviour, so we can skip >> the new test while testing an old kernel. Right, I'll split it. > I also saw that we don't have any test to verify that actually the > lingering is working, should we add it since we are touching it? Yeah, I agree we should. Do you have any suggestion how this could be done reliably? Thanks, Michal
