#syz dup: INFO: rcu detected stall in io_playback_transfer On Sat, Apr 7, 2018 at 1:00 PM, Takashi Iwai <tiwai@xxxxxxx> wrote: > On Sat, 07 Apr 2018 12:19:33 +0200, > Dmitry Vyukov wrote: >> >> On Sat, Apr 7, 2018 at 11:56 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: >> > On Fri, 06 Apr 2018 23:14:01 +0200, >> > syzbot wrote: >> >> >> >> syzbot has found reproducer for the following crash on upstream commit >> >> 38c23685b273cfb4ccf31a199feccce3bdcb5d83 (Fri Apr 6 04:29:35 2018 +0000) >> >> Merge tag 'armsoc-drivers' of >> >> git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc >> >> syzbot dashboard link: >> >> https://syzkaller.appspot.com/bug?extid=150189c103427d31a053 >> >> >> >> So far this crash happened 15 times on upstream. >> >> C reproducer: https://syzkaller.appspot.com/x/repro.c?id=5405588854931456 >> >> syzkaller reproducer: >> >> https://syzkaller.appspot.com/x/repro.syz?id=5561439796330496 >> >> Raw console output: >> >> https://syzkaller.appspot.com/x/log.txt?id=5697900571000832 >> >> Kernel config: >> >> https://syzkaller.appspot.com/x/.config?id=-5813481738265533882 >> >> compiler: gcc (GCC) 8.0.1 20180301 (experimental) >> > >> > Thanks to the reproducer, I could spot out now. >> > Below is the patch (which was submitted as well). >> >> Great! >> >> There are 3 more recent stalls in sound, does this fix them as well? >> >> https://groups.google.com/forum/#!msg/syzkaller-bugs/MGfk8WH3O6k/ja2xKpdcCAAJ >> https://groups.google.com/forum/#!msg/syzkaller-bugs/74HglwU94go/T89ohzlYCAAJ >> https://groups.google.com/forum/#!msg/syzkaller-bugs/D2xWV7WTRDk/5y2kZyBICAAJ > > Yes, very likely. > > > Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
