From: Raag Jadav <raag.jadav@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: giometti@enneenne.com, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] pps: generators: tio: fix platform_set_drvdata()
Date: Mon, 7 Apr 2025 10:48:51 +0300 [thread overview]
Message-ID: <Z_ODY6AlU3mCQg_5@black.fi.intel.com> (raw)
In-Reply-To: <Z9l4ktWrZ3VGN8B_@smile.fi.intel.com>
On Tue, Mar 18, 2025 at 03:43:46PM +0200, Andy Shevchenko wrote:
> On Tue, Mar 18, 2025 at 05:10:38PM +0530, Raag Jadav wrote:
> > platform_set_drvdata() is setting a double pointer to struct pps_tio as
> > driver_data, which will point to the local stack of probe function instead
> > of intended data. Set driver_data correctly and fix illegal memory access
> > by its user.
> >
> > BUG: unable to handle page fault for address: ffffc9000117b738
> > RIP: 0010:hrtimer_active+0x2b/0x60
> > Call Trace:
> > ? hrtimer_active+0x2b/0x60
> > hrtimer_cancel+0x19/0x50
> > pps_gen_tio_remove+0x1e/0x80 [pps_gen_tio]
>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Thank you.
Any guidance on routing this one?
Raag
prev parent reply other threads:[~2025-04-07 7:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-18 11:40 [PATCH v3] pps: generators: tio: fix platform_set_drvdata() Raag Jadav
2025-03-18 13:43 ` Andy Shevchenko
2025-04-07 7:48 ` Raag Jadav [this message]
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