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Tue, 16 Apr 2024 00:28:05 -0700 (PDT) Date: Tue, 16 Apr 2024 00:28:05 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c9b3d4061631ad9c@google.com> Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in __vma_reservation_common From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com, vishal.moola@gmail.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 030C314000C X-Stat-Signature: yogi4e53qjfbachxds7xehica5uanp1h X-HE-Tag: 1713252485-566548 X-HE-Meta: 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 xHkek3U/ 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 B9uoRkuT lJHql5q0qAkFkIaNKjQIatu7LQiRA9ircVaQvxzqjUA7adTb/9KdYkybtxTp6fvOEL0wrFyUwWuPVod+3qLMI+miyuBtOoPj2i2GLhHj1of9yJtQtgBQYAehYpunI1no 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+ad1b592fc4483655438b@syzkaller.appspotmail.com Tested on: commit: 9ed46da1 Add linux-next specific files for 20240412 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git console output: https://syzkaller.appspot.com/x/log.txt?x=15f0023b180000 kernel config: https://syzkaller.appspot.com/x/.config?x=7ea0abc478c49859 dashboard link: https://syzkaller.appspot.com/bug?extid=ad1b592fc4483655438b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1065003b180000 Note: testing is done by a robot and is best-effort only.