* Re: hso driver kernel NULL pointer dereference
[not found] <20210425233509.9ce29da49037e1a421000bdd@aruba.it>
@ 2021-04-26 7:32 ` Greg KH
2021-04-26 7:59 ` Johan Hovold
0 siblings, 1 reply; 2+ messages in thread
From: Greg KH @ 2021-04-26 7:32 UTC (permalink / raw)
To: Leonardo Antoniazzi, Anirudh Rayabharam; +Cc: linux-usb, netdev
On Sun, Apr 25, 2021 at 11:35:09PM +0200, Leonardo Antoniazzi wrote:
> Hello,
> removing my usb-modem (option icon 226) i get this oops (i attached the dmesg output):
>
> BUG: kernel NULL pointer dereference, address: 0000000000000068
>
> reverting this patch fix the problem on detaching the modem:
>
> https://marc.info/?l=linux-usb&m=161781851805582&w=2
>
> I'm not a developer, i hope the attached dmesg.txt will suffice
Ick, that's not good.
Anirudh, can you please look into this as it's caused by 8a12f8836145
("net: hso: fix null-ptr-deref during tty device unregistration") which
is merged into 5.12.
thanks,
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: hso driver kernel NULL pointer dereference
2021-04-26 7:32 ` hso driver kernel NULL pointer dereference Greg KH
@ 2021-04-26 7:59 ` Johan Hovold
0 siblings, 0 replies; 2+ messages in thread
From: Johan Hovold @ 2021-04-26 7:59 UTC (permalink / raw)
To: Greg KH; +Cc: Leonardo Antoniazzi, Anirudh Rayabharam, linux-usb, netdev
On Mon, Apr 26, 2021 at 09:32:44AM +0200, Greg Kroah-Hartman wrote:
> On Sun, Apr 25, 2021 at 11:35:09PM +0200, Leonardo Antoniazzi wrote:
> > Hello,
> > removing my usb-modem (option icon 226) i get this oops (i attached the dmesg output):
> >
> > BUG: kernel NULL pointer dereference, address: 0000000000000068
> >
> > reverting this patch fix the problem on detaching the modem:
> >
> > https://marc.info/?l=linux-usb&m=161781851805582&w=2
> >
> > I'm not a developer, i hope the attached dmesg.txt will suffice
>
> Ick, that's not good.
>
> Anirudh, can you please look into this as it's caused by 8a12f8836145
> ("net: hso: fix null-ptr-deref during tty device unregistration") which
> is merged into 5.12.
I found the bug. Patch coming.
Johan
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-04-26 7:32 ` hso driver kernel NULL pointer dereference Greg KH
2021-04-26 7:59 ` Johan Hovold
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