Re: WARNING in switch_fpu_return

From: syzbot
Date: Sun Mar 22 2020 - 18:41:07 EST


syzbot suspects this bug was fixed by commit:

commit 3009afc6e39e78708d8fb444ae50544b3bcd3a3f
Author: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Date: Wed Jan 22 04:43:39 2020 +0000

KVM: x86: Use a typedef for fastop functions

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1667aa4be00000
start commit: bf8d1cd4 Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35
dashboard link: https://syzkaller.appspot.com/bug?extid=f2ca20d4aa1408b0385a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151d549ee00000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: KVM: x86: Use a typedef for fastop functions

For information about bisection process see: https://goo.gl/tpsmEJ#bisection