* [Bug 998] kni: corruption when using incompatible version of rte_kni.ko
@ 2022-04-21 4:31 bugzilla
0 siblings, 0 replies; only message in thread
From: bugzilla @ 2022-04-21 4:31 UTC (permalink / raw)
To: dev
https://bugs.dpdk.org/show_bug.cgi?id=998
Bug ID: 998
Summary: kni: corruption when using incompatible version of
rte_kni.ko
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: omegacoleman@gmail.com
Target Milestone: ---
Created attachment 201
--> https://bugs.dpdk.org/attachment.cgi?id=201&action=edit
dmesg for one BUG it caused
KNI ioctl functions copy data from userspace lib, and this interface of kmod is
not compatible indeed. If the user use incompatible rte_kni.ko, corruption is
detected in struct rte_kni_device_info.
It could cause a BUG in librte_kni.ko and there's no measure to restore kni
function without reboot. The related EAL thread also vanishes.
> The attachment is dmesg for one BUG it caused.
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