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Tue, 28 May 2024 10:24:03 -0700 (PDT) Date: Tue, 28 May 2024 10:24:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000076009c061986e67f@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in __vma_reservation_common From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, netdev@vger.kernel.org, osalvador@suse.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: 6cdzhp5oqx5mi9amfnhmy9ugw9qcoess X-Rspamd-Queue-Id: D4FA21C001A X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1716917043-395986 X-HE-Meta: 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 fdfSWh4J 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 czfyCxYd dhshlrDs0Cq6xx5peoUUuA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000037, 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+d3fe2dc5ffe9380b714b@syzkaller.appspotmail.com Tested on: commit: c80d58cd mm/hugetlb: Do not call vma_add_reservation u.. git tree: https://github.com/leberus/linux.git hugetlb-vma_resv-enomem console output: https://syzkaller.appspot.com/x/log.txt?x=1763ba0c980000 kernel config: https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c dashboard link: https://syzkaller.appspot.com/bug?extid=d3fe2dc5ffe9380b714b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.