* Re: Null deref in scatterwalk_pagedone
[not found] ` <20260222202123.GA37806@quark>
@ 2026-02-23 4:02 ` Manas Ghandat
2026-02-23 4:14 ` Greg KH
0 siblings, 1 reply; 3+ messages in thread
From: Manas Ghandat @ 2026-02-23 4:02 UTC (permalink / raw)
To: Eric Biggers
Cc: David S. Miller, herbert, rakshitawasthi17, Greg KH, security,
linux-crypto
On 2/23/26 01:51, Eric Biggers wrote:
> What kernel feature are you using that does GCM encryption? E.g.,
> IPsec, TLS, SMB, ... Is the code in-tree?
I was fuzzing the TLS subsystem when I found the crash. And yes the code is in-tree.
> Any reason linux-crypto isn't Cc'ed on this thread?
Aah, my bad. Added it to CC.
Thanks,
Manas
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Null deref in scatterwalk_pagedone
2026-02-23 4:02 ` Null deref in scatterwalk_pagedone Manas Ghandat
@ 2026-02-23 4:14 ` Greg KH
2026-02-23 4:45 ` Eric Biggers
0 siblings, 1 reply; 3+ messages in thread
From: Greg KH @ 2026-02-23 4:14 UTC (permalink / raw)
To: Manas Ghandat
Cc: Eric Biggers, David S. Miller, herbert, rakshitawasthi17,
security, linux-crypto
On Mon, Feb 23, 2026 at 09:32:17AM +0530, Manas Ghandat wrote:
>
>
> On 2/23/26 01:51, Eric Biggers wrote:
> > What kernel feature are you using that does GCM encryption? E.g.,
> > IPsec, TLS, SMB, ... Is the code in-tree?
>
> I was fuzzing the TLS subsystem when I found the crash. And yes the code is in-tree.
As this seems to be fixed in 6.19, and you don't have a reproducer,
there's not much we can do here, sorry.
If you do end up with a reproducer, can you submit a backported patch to
stable@vger so that we can queue up the fix for the older kernels?
> > Any reason linux-crypto isn't Cc'ed on this thread?
>
> Aah, my bad. Added it to CC.
Note, they didn't get any of the previous context :(
thanks,
greg k-h
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Null deref in scatterwalk_pagedone
2026-02-23 4:14 ` Greg KH
@ 2026-02-23 4:45 ` Eric Biggers
0 siblings, 0 replies; 3+ messages in thread
From: Eric Biggers @ 2026-02-23 4:45 UTC (permalink / raw)
To: Manas Ghandat
Cc: Greg KH, David S. Miller, herbert, rakshitawasthi17, security,
linux-crypto
On Mon, Feb 23, 2026 at 05:14:05AM +0100, Greg KH wrote:
> On Mon, Feb 23, 2026 at 09:32:17AM +0530, Manas Ghandat wrote:
> > On 2/23/26 01:51, Eric Biggers wrote:
> > > What kernel feature are you using that does GCM encryption? E.g.,
> > > IPsec, TLS, SMB, ... Is the code in-tree?
> >
> > I was fuzzing the TLS subsystem when I found the crash. And yes the code is in-tree.
Okay, the issue is very likely there then. Once you find a reproducer,
you'll need to report it to the maintainers of net/tls/.
- Eric
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-02-23 4:02 ` Null deref in scatterwalk_pagedone Manas Ghandat
2026-02-23 4:14 ` Greg KH
2026-02-23 4:45 ` Eric Biggers
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