Thread (8 messages) 8 messages, 3 authors, 2019-11-28

Re: WARNING in mark_lock (3)

From: Sven Eckelmann <sven@narfation.org>
Date: 2019-11-28 08:46:58
Also in: batman, lkml

On Thursday, 28 November 2019 09:40:32 CET Dmitry Vyukov wrote:
On Thu, Nov 28, 2019 at 8:25 AM Sven Eckelmann [off-list ref] wrote:
quoted
On Thursday, 28 November 2019 03:00:01 CET syzbot wrote:
[...]
quoted
bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=132ee536e00000
start commit:   89d57ddd Merge tag 'media/v5.5-1' of git://git.kernel.org/..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=10aee536e00000
Can the syzbot infrastructure be told to ignore this crash in the bisect run?
Because this should be an unrelated crash which is (hopefully) fixed in
40e220b4218b ("batman-adv: Avoid free/alloc race when handling OGM buffer").
+syzkaller mailing list for syzbot discussion

Hi Sven,

There is no such functionality at the moment.
What exactly do you mean? Somehow telling it interactively? Or
hardcode some set of crashes for linux? I don't see how any of these
options can really work...
I was thinking more about rerunning the same bisect but tell it to assume 
"crashed: general protection fault in batadv_iv_ogm_queue_add" as OK instead 
of assuming that it is a crashed like the previous "crashed: WARNING in 
mark_lock". Just to get a non-bogus bisect result. Or try to rerun the
bisect between 40e220b4218b and 89d57dddd7d319ded00415790a0bb3c954b7e386

Kind regards,
	Sven

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