Re: INFO: rcu detected stall in __do_softirq
On 16-08-19, 09:55, Srinivas Kandagatla wrote:
>
>
> On 16/08/2019 01:10, syzbot wrote:
> > syzbot has bisected this bug to:
> >
> > commit 2aeac95d1a4cc85aae57ab842d5c3340df0f817f
> > Author: Srinivas Kandagatla
> > Date: Tue Jun 11 10:40:41 2019 +
> >
> > soundwire: add module_sdw_driver helper macro
>
> Not sure how adding a macro with no users triggers this rcu stall.
And config used doesn't have soundwire set :D
>
> BTW this was in mainline since rc1.
This is caused by something else!
>
> --srini
>
> >
> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114b45ee60
> > start commit: 882e8691 Add linux-next specific files for 20190801
> > git tree: linux-next
> > final crash: https://syzkaller.appspot.com/x/report.txt?x=134b45ee60
> > console output: https://syzkaller.appspot.com/x/log.txt?x=154b45ee60
> > kernel config: https://syzkaller.appspot.com/x/.config?x=466b331af3f34e94
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=6593c6b8c8b66a07cd98
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b216b260
> >
> > Reported-by: syzbot+6593c6b8c8b66a07c...@syzkaller.appspotmail.com
> > Fixes: 2aeac95d1a4c ("soundwire: add module_sdw_driver helper macro")
> >
> > For information about bisection process see:
> > https://goo.gl/tpsmEJ#bisection
--
~Vinod
Re: INFO: rcu detected stall in __do_softirq
On 16/08/2019 01:10, syzbot wrote:
syzbot has bisected this bug to:
commit 2aeac95d1a4cc85aae57ab842d5c3340df0f817f
Author: Srinivas Kandagatla
Date: Tue Jun 11 10:40:41 2019 +
soundwire: add module_sdw_driver helper macro
Not sure how adding a macro with no users triggers this rcu stall.
BTW this was in mainline since rc1.
--srini
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114b45ee60
start commit: 882e8691 Add linux-next specific files for 20190801
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=134b45ee60
console output: https://syzkaller.appspot.com/x/log.txt?x=154b45ee60
kernel config: https://syzkaller.appspot.com/x/.config?x=466b331af3f34e94
dashboard link:
https://syzkaller.appspot.com/bug?extid=6593c6b8c8b66a07cd98
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b216b260
Reported-by: syzbot+6593c6b8c8b66a07c...@syzkaller.appspotmail.com
Fixes: 2aeac95d1a4c ("soundwire: add module_sdw_driver helper macro")
For information about bisection process see:
https://goo.gl/tpsmEJ#bisection
Re: INFO: rcu detected stall in __do_softirq
syzbot has bisected this bug to:
commit 2aeac95d1a4cc85aae57ab842d5c3340df0f817f
Author: Srinivas Kandagatla
Date: Tue Jun 11 10:40:41 2019 +
soundwire: add module_sdw_driver helper macro
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114b45ee60
start commit: 882e8691 Add linux-next specific files for 20190801
git tree: linux-next
final crash:https://syzkaller.appspot.com/x/report.txt?x=134b45ee60
console output: https://syzkaller.appspot.com/x/log.txt?x=154b45ee60
kernel config: https://syzkaller.appspot.com/x/.config?x=466b331af3f34e94
dashboard link: https://syzkaller.appspot.com/bug?extid=6593c6b8c8b66a07cd98
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b216b260
Reported-by: syzbot+6593c6b8c8b66a07c...@syzkaller.appspotmail.com
Fixes: 2aeac95d1a4c ("soundwire: add module_sdw_driver helper macro")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
