Re: [syzbot] [reiserfs?] KASAN: use-after-free Read in leaf_paste_in_buffer

From: syzbot
Date: Mon Mar 13 2023 - 18:42:33 EST


syzbot suspects this issue was fixed by commit:

commit 26388a7c353f7b1d3fd8a6df6452fa9773193155
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Thu Jan 12 19:44:03 2023 +0000

cpuidle,arch: Mark all regular cpuidle_state:: Enter methods __cpuidle

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16fc20aac80000
start commit: 420b2d431d18 Merge tag 'clk-fixes-for-linus' of git://git...
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=6bb1911ff9919df0
dashboard link: https://syzkaller.appspot.com/bug?extid=55b82aea13452e3d128f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17249347480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14281c1b480000

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

#syz fix: cpuidle,arch: Mark all regular cpuidle_state:: Enter methods __cpuidle

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