* NULL pointer dereference in apparmor's profile_transition v6.12
@ 2025-01-21 10:55 Paul Kramme
2025-01-21 11:32 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Paul Kramme @ 2025-01-21 10:55 UTC (permalink / raw)
To: stable; +Cc: john.johansen
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
Thanks,
Paul
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: NULL pointer dereference in apparmor's profile_transition v6.12
2025-01-21 10:55 NULL pointer dereference in apparmor's profile_transition v6.12 Paul Kramme
@ 2025-01-21 11:32 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2025-01-21 11:32 UTC (permalink / raw)
To: Paul Kramme; +Cc: stable, john.johansen
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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