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Sun, 12 Jun 2022 15:08:08 -0700 (PDT) Date: Sun, 12 Jun 2022 15:08:08 -0700 In-Reply-To: <000000000000c0517405e13dc59e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000d20dc05e14768b5@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in __vma_adjust From: syzbot To: Liam.Howlett@Oracle.com, akpm@linux-foundation.org, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1655071688; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references; bh=qsYh4wsra1/+8GV1O0hVa5h4gAvGFc0J5bHW5EhnYG4=; b=JjL+eTCQmcqLFgrmGPhQfbnFV19agqVymqU/RhVSg4yXR1eH+BnyFhNScHbVnzOhnLh0Sf LqWsOEWUNKVyyPf83+l9+gFFItdV0BBOurChjlSGiAOlANb+EfZsZm+WTh5fuRk6FqZfoy XoGvbAXQHwRtLU/Gyrb1gA8KtJ+Xuvc= ARC-Seal: i=1; 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Howlett Date: Thu Jun 9 20:57:09 2022 +0000 mm: start tracking VMAs with maple tree bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11463853f00000 start commit: 6d0c80680317 Add linux-next specific files for 20220610 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=13463853f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=15463853f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=a30d6e3e814e5931 dashboard link: https://syzkaller.appspot.com/bug?extid=68771c0e74f7bb7804e5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e632bbf00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103df80ff00000 Reported-by: syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com Fixes: d3ccd17e7c96 ("mm: start tracking VMAs with maple tree") For information about bisection process see: https://goo.gl/tpsmEJ#bisection