** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1813934
Title:
Vsock connect fails with ENODEV for large CID
Status in Ubuntu on IBM z Systems:
New
Status in linux package in Ubuntu:
New
Status in linux source package in Bionic:
New
Bug description:
- Problem Descripion:
Kernel 4.19 introduced a bug in the Vsock protocol when using a large Context
ID.
E.g.
CID 0xfff000 works correctly but
CID 0xfff001 fails with ENODEV when trying to connect to the listener.
The issue now also shows up in Ubuntu 18.04 with
-> kernel 4.15.0-44-generic #47-Ubuntu
on x86_64 and s390x.
It is already fixed upstream kernel by:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7fbe078c37aba3088359c9256c1a1d0c3e39ee81
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