On Mon, Nov 18, 2019 at 7:16 PM Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > > On Mon, Nov 18, 2019 at 5:35 PM syzbot > <syzbot+ce541a23cf58c1f6b1b1@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit: 519ead8f Add linux-next specific files for 20191118 > > git tree: linux-next > > console output: https://syzkaller.appspot.com/x/log.txt?x=14653416e00000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=652dd3906d691711 > > dashboard link: https://syzkaller.appspot.com/bug?extid=ce541a23cf58c1f6b1b1 > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > Unfortunately, I don't have any reproducer for this crash yet. > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > Reported-by: syzbot+ce541a23cf58c1f6b1b1@xxxxxxxxxxxxxxxxxxxxxxxxx > > > Looks at the console output, this seems to be related to: > > commit eb09878e13013f0faee0a97562da557c4026b8a1 > Author: Yunfeng Ye <yeyunfeng@xxxxxxxxxx> > Date: Thu Nov 14 15:16:24 2019 +0800 > > ACPI: sysfs: Change ACPI_MASKABLE_GPE_MAX to 0x100 > > +drivers/acpi/sysfs.c maintainers Just bisected to the same # good: [ec5385196779fb927e7d8d5bf31bef14d7ce98ed] Merge tag 'iommu-fixes-v5.4-rc7' of git://git.kernel.org/pub/sc m/linux/kernel/git/joro/iommu git bisect good ec5385196779fb927e7d8d5bf31bef14d7ce98ed # bad: [519ead8f6a3215406afc6e56c596388a690f2edc] Add linux-next specific files for 20191118 git bisect bad 519ead8f6a3215406afc6e56c596388a690f2edc # bad: [0f2c488e9643bb9f3570b2beba3f74a29521a941] Merge remote-tracking branch 'crypto/master' git bisect bad 0f2c488e9643bb9f3570b2beba3f74a29521a941 # good: [2cee210493eb3afdc3f6c1dc9f1513aa3e0f9c94] Merge remote-tracking branch 'pstore/for-next/pstore' git bisect good 2cee210493eb3afdc3f6c1dc9f1513aa3e0f9c94 # good: [50bef71900d25433418529476e7ea8f5826f6c2d] Merge tag 'wireless-drivers-next-2019-11-15' of git://git.kerne l.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next git bisect good 50bef71900d25433418529476e7ea8f5826f6c2d # good: [a1db75140194a7de66f7b839e20a434e15f421b5] Merge remote-tracking branch 'v4l-dvb/master' git bisect good a1db75140194a7de66f7b839e20a434e15f421b5 # bad: [3d85aae50537cb659c28ba803dcf0563c00fba53] Merge remote-tracking branch 'net-next/master' git bisect bad 3d85aae50537cb659c28ba803dcf0563c00fba53 # bad: [1fd383f2408eeb9ca598e7141c5259dd81266e6d] Merge remote-tracking branch 'pm/linux-next' git bisect bad 1fd383f2408eeb9ca598e7141c5259dd81266e6d # good: [7ddb1e341b377a64ce288f3fb546e51d9a963b20] Merge branches 'pm-sleep', 'pm-tools' and 'powercap' into linux -next git bisect good 7ddb1e341b377a64ce288f3fb546e51d9a963b20 # good: [678de5f0c7507eadf47ec55db584c643667d90e1] Merge branch 'pm-cpuidle' into linux-next git bisect good 678de5f0c7507eadf47ec55db584c643667d90e1 # good: [562c41002218161c11e5b606866a07d11edab1fb] Merge branch 'pm-opp' into linux-next git bisect good 562c41002218161c11e5b606866a07d11edab1fb # good: [5b017fcd2f396b370a30bc72630b80bd6fbd7b05] Merge branches 'pm-sleep', 'pm-avs' and 'pm-domains' into linux -next git bisect good 5b017fcd2f396b370a30bc72630b80bd6fbd7b05 # good: [967c2e327214fff3b8967271dae6f5a868cbc94c] Merge branch 'pm-cpuidle' into linux-next git bisect good 967c2e327214fff3b8967271dae6f5a868cbc94c # good: [dc85e40f885d1614ad5e685d7f7794cb912e2f31] Merge branch 'pm-cpufreq' into linux-next git bisect good dc85e40f885d1614ad5e685d7f7794cb912e2f31 # bad: [998570b92107eb94faa5c6536f1cba46272c1185] Merge branch 'acpi-sysfs' into linux-next git bisect bad 998570b92107eb94faa5c6536f1cba46272c1185 > > > > --- > > This bug is generated by a bot. It may contain errors. > > See https://goo.gl/tpsmEJ for more information about syzbot. > > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > > > syzbot will keep track of this bug report. See: > > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > > > -- > > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000ee674f0597a18709%40google.com. -- With Best Regards, Andy Shevchenko