Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in hugetlb_fault

From: syzbot
Date: Mon Jun 10 2024 - 17:02:11 EST


syzbot suspects this issue was fixed by commit:

commit ed74abcd1da0244c3c3be865587dc2727148ee83
Author: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Date: Fri Apr 19 11:50:27 2024 +0000

selftests: mm: protection_keys: save/restore nr_hugepages value from launch script

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=128d1bce980000
start commit: 977b1ef51866 Merge tag 'block-6.9-20240420' of git://git.k..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=f47e5e015c177e57
dashboard link: https://syzkaller.appspot.com/bug?extid=7fd4b85697bcf2a9daa2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c667cb180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149278f7180000

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

#syz fix: selftests: mm: protection_keys: save/restore nr_hugepages value from launch script

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