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Mon, 10 Jun 2024 14:02:03 -0700 (PDT) Date: Mon, 10 Jun 2024 14:02:03 -0700 In-Reply-To: <000000000000b3c7fa061652665f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000007140a061a8f7624@google.com> Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in hugetlb_fault From: syzbot To: akpm@linux-foundation.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com, usama.anjum@collabora.com, vishal.moola@gmail.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 1FE9140018 X-Stat-Signature: nc95mc1dh55e3azi8bt81xefnf6qq1bz X-HE-Tag: 1718053323-883058 X-HE-Meta: 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 kMdkV7Ph 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 Bf7brqgs m8XdnsSQzYBcMEZ8jDQZVOip419mV4Ih4JdjTOK9MggR+EnTwWgRYSPjQpDyogWbkVnpe3F6z/vHM4S4sF4ex7cGoF423/98cC7pxTeZxrLS6coICB5aXw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot suspects this issue was fixed by commit: commit ed74abcd1da0244c3c3be865587dc2727148ee83 Author: Muhammad Usama Anjum 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