** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1971480
Title:
issuing invalid ioctl to /dev/vsock may spam dmesg
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
In Progress
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Focal:
Fix Committed
Bug description:
[Impact]
Any user may spam dmesg may issuing an invalid ioctl to /dev/vsock.
[Fix]
Do not print anything to dmesg when an invalid ioctl is issued to /dev/vsock.
[Test case]
ioctl(open("/dev/vsock", O_RDONLY), garbage, 0);
[Potential regression]
vsock users may regress.
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