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Sun, 23 Oct 2022 08:43:19 -0700 (PDT) Date: Sun, 23 Oct 2022 08:43:19 -0700 In-Reply-To: <20221023082948.2403-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b9b91705ebb588aa@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in l2cap_conn_del From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com 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=1666539799; 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=WTymt5VYbjAjADy06vLnS4ERnFAuQzELOwzGBR8jsnw=; b=POMiYTk1IjnCRO8lCj06QZ+yOYAZ2lVkfIPUAO4VDKFQ1gYdEbWLo0gFyYJ3lWO8C55J8H K0c10EjerCanjNyfbFrZHERNDX+aLGpQQDHIQ+amTfnebpuuvhVJHr0UYRysZOfxZmn2Fm XrnFaDEVEDtcIp+AR1mcZ5GEj7HDX2Y= ARC-Authentication-Results: i=1; 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dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 9E12A18000A X-HE-Tag: 1666539799-809958 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+03450dacbc626061c3a3@syzkaller.appspotmail.com Tested on: commit: aaa11ce2 Add linux-next specific files for 20220923 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=172b6de2880000 kernel config: https://syzkaller.appspot.com/x/.config?x=186d1ff305f10294 dashboard link: https://syzkaller.appspot.com/bug?extid=03450dacbc626061c3a3 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1069544a880000 Note: testing is done by a robot and is best-effort only.