syzbot suspects this issue was fixed by commit:
commit 7734a0f31e99c433df3063bbb7e8ee5a16a2cb82
Author: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
Date: Mon Jan 9 17:04:02 2023 +0000
x86/boot: Robustify calling startup_{32,64}() from the decompressor code
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14606624c80000
start commit: 1fe4fd6f5cad Merge tag 'xfs-6.2-fixes-2' of git://git.kern..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=edc860b1c9b6751
dashboard link: https://syzkaller.appspot.com/bug?extid=8346a1aeed52cb04c9ba
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12baac4a480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=118bf42c480000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: x86/boot: Robustify calling startup_{32,64}() from the decompressor code
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
