From mboxrd@z Thu Jan  1 00:00:00 1970
From: Petr Vorel <pvorel@suse.cz>
Date: Mon, 28 Jun 2021 22:00:10 +0200
Subject: [LTP] [PATCH 1/2] tpci: fix NULL pointer dereference on wrong
 test invocation
In-Reply-To: <8753cbfb-01ac-34f9-57d6-afa33629ac78@canonical.com>
References: <20210618130536.54806-1-krzysztof.kozlowski@canonical.com>
 <8753cbfb-01ac-34f9-57d6-afa33629ac78@canonical.com>
Message-ID: <YNoqSmsDcb2Czlfc@pevik>
List-Id: <ltp.lists.linux.it>
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To: ltp@lists.linux.it

Hi Krzysztof,

> On 18/06/2021 15:05, Krzysztof Kozlowski wrote:
> > Fix NULL pointer dereference when a ltp_tpci test case is started before
> > choosing the device:

> >     ltp_tpci: test-case 12
> >     ltp_tpci: assign resources
> >     ltp_tpci: assign resource #0
> >     BUG: kernel NULL pointer dereference, address: 00000000000003b8
> >     ...
> >      Call Trace:
> >       dev_attr_store+0x17/0x30
> >       sysfs_kf_write+0x3e/0x50
> >       kernfs_fop_write_iter+0x13c/0x1d0
> >       new_sync_write+0x113/0x1a0
> >       vfs_write+0x1c5/0x200
> >       ksys_write+0x67/0xe0
> >       __x64_sys_write+0x1a/0x20
> >       do_syscall_64+0x49/0xc0
> >       entry_SYSCALL_64_after_hwframe+0x44/0xa9

Merged this one, thanks!

Kind regards,
Petr