https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262671
Bug ID: 262671
Summary: Kernel panics after a invalid SNDCTL_MIXERINFO ioctl
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 232581
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=232581&action=edit
A patch that should fix brought up issue.
If you call the `SNDCTL_MIXERINFO` ioctl with a `oss_mixerinfo` structure which
has a uninitialized `dev` field, a kernel panic is triggered.
I know that in this case the `dev` field is expected to be set, but I still
think that the kernel should not panic if a malicious/bad program forgets to
set it.
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