Re: [syzbot] [kernel?] KASAN: stack-out-of-bounds Read in profile_pc

From: syzbot
Date: Wed Jul 31 2024 - 23:16:15 EST


syzbot suspects this issue was fixed by commit:

commit 093d9603b60093a9aaae942db56107f6432a5dca
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Jun 28 21:27:22 2024 +0000

x86: stop playing stack games in profile_pc()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1732b59d980000
start commit: 0106679839f7 Merge tag 'regulator-fix-v6.9-rc6' of git://g..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=8a10709e36c02a40
dashboard link: https://syzkaller.appspot.com/bug?extid=84fe685c02cd112a2ac3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14276088980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=140e7b7f180000

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

#syz fix: x86: stop playing stack games in profile_pc()

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