Re: NULL pointer dereference in apparmor's profile_transition v6.12

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On Tue, Jan 21, 2025 at 11:55:21AM +0100, Paul Kramme wrote:
> Hello,
> 
> with v6.12 we encountered a kernel BUG (panic on our systems) that is
> caused by a NULL pointer dereference inside the apparmor's
> profile_transition code. I've contacted John Johansen as the
> maintainer for the apparmor system, and he pointed me to 17d0d04f3c99
> as a fix for that issue. That commit has now landed in v6.13, would it
> be possible to backport this to v6.12? Commit is
> 
> 17d0d04f3c99 apparmor: allocate xmatch for nullpdb inside aa_alloc_null

Now queued up, thanks.

greg k-h




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