From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out162-62-57-64.mail.qq.com (out162-62-57-64.mail.qq.com [162.62.57.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26E203C465 for ; Sat, 18 Apr 2026 03:56:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776484594; cv=none; b=Nt+5LKdOzUZzrdU5mYohEiVahhUAhz6c+31DJ1OiIXRdGhZ/LRn/qYDPDw62eEw9Oc8nqkYKn6LIJqrvZndnkLSuIX11kbbG4Og2rPlHbEIuTkPKB2vY46VPCk2wLX1qfxdlN+Pw27zGzJpvYaHBqXPTUCrkShnh9KBbueJrLkE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776484594; c=relaxed/simple; bh=yemQx17TuayoVLDca/Z4mvwFdi0VeogURUvJdxHInAk=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=qDyl37ObA2k3l8h1fUIDLbR3NIAAafYsWanSbfc8TwFJQEqRrpQ3jIe4Ib1f408fZxPK1PyO02htrh1UROP3F9cTeUCBQ1byz06YbLVNunAsZxlwwixejhcL0V7M+rNjlpcSREKJY/S5fuqqVoXq/C7dIvwxsyVv02rD2Z5VtBM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=T7HZ+LdR; arc=none smtp.client-ip=162.62.57.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="T7HZ+LdR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1776484587; bh=OCgxe8Qd0hgpWptffI6/vq2d13j/vLqDG9ttbqgm4zM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=T7HZ+LdR53XLR1uSOkLvacRmLzR3esK/cWDZSjQNRk+RpCETGaJIbTysoSIU9nRCQ YeyFFKiMjSxdfTILyNIdQgExkAbCwrYXWrX7B/YpzD6a7WyX8NNOI3qOp0CVbq/fEb kpdRePvIHNRLLTixi0nrBd42N41rcfMaPY+LhB3Y= Received: from lxu-ped-host.. ([111.198.231.89]) by newxmesmtplogicsvrszc50-0.qq.com (NewEsmtp) with SMTP id E18A8C8F; Sat, 18 Apr 2026 11:56:24 +0800 X-QQ-mid: xmsmtpt1776484584tloc8joij Message-ID: X-QQ-XMAILINFO: NuGpsYW8pZ+Aeml64qCzoVd4Z+6JgBHYO0nGvaP7u/J6g6ioLMjpWhZ6i76Xgy PBf8NQ6y/Tk94WDPy4h6zv/GqenfIW7Hdf8E7brVKHYkGgt0ntwJcx7N5LT7Rbi74h+J/InChRvk z8bB5EedaNNIYBZ4jaP4yaw2YgWyl7NtpPvB7I5U3Ex+pW2CTy/CpFpkMVd+Y4J/N9256AhtOF6D 8eSnJT4RHSGeJ/22608fuhpIF5p1VvqGf3wLYHvNmFPcy+bH/QyRu4M5CG3zkpJbaL5hsU6J/lry beb7tezENbyow0bMppetKHVRNpfLajoCtKO7yqRotfU7Z9bgO5i5GXD2KyG3Jvu5NobYLV+aKAv2 ohori/guF2lIiHtLKyMSzKQTa3iQg7DvnWrCdNTJ8lkMNcISl5QFGCDw5CyMi0GJs9vosBaHeedm W5bPAZB1pzjdkbsxKlkMOuLgqLqhuzNyyTPPfRDmlrnhtwiQCNmiz2GDv3Fm3FSpENL/zRE8jNNp tmaB4V6cb1CJlpPIz30qkbv9kZcjydXahhMMJ5ILQHbV73IWqtPEKMmrKUKxxKV7Prd3/bF4U0gv a3jF0fwOXfBZ5UDQ28zADDWQlYsOPjhb7ANB5wpkeMVbnHEvKROyMjbIpiOA1R2u2ZHy+0t3Nkwr Cdw3Z/PNz6z7cUIrhCb7JduMLYGaMHh4RJmypfxit2f4hgz7baVctyoRp548yvhCPE9KY+L468Kd OruAoYra2GiF0MxX10nkTLSA5/2/ivkXZ2Vc0P1EhGVmFvchocpJcOcAQ55m79zULMhpJgFUlZPe NhNwyFLVdXH2ikhFYvpv0Sf0/R5hqaKFGy0Z5yZCPPXLAAdObvQkC7nzKpxqQSo+GhyBz//xqG3E 579Er8r02Crpeke/g8yZpBSdz2F7vhHbITN7XfK1RojTkUNYhV2zD25mH26tgOVnI3hbMEzcb1u2 UVkkkcE/j83JVxMNLw7gf4ye51YcnFgyVU76+U952033/x6RyFZJ6RPupK9/fD7vyvKgpqzlk= X-QQ-XMRINFO: NI4Ajvh11aEjEMj13RCX7UuhPEoou2bs1g== From: Edward Adam Davis To: syzbot+ecf51a7ccb6b1394e90c@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [jfs?] KASAN: slab-use-after-free Read in lbmIODone Date: Sat, 18 Apr 2026 11:56:25 +0800 X-OQ-MSGID: <20260418035624.448518-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <69df5517.a00a0220.468cb.0074.GAE@google.com> References: <69df5517.a00a0220.468cb.0074.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test: upstream master diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 5f31c12f4607..69b9d161b783 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1984,7 +1984,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) submit_bio(bio); } - wait_event(bp->l_ioevent, (bp->l_flag == lbmDONE)); + wait_event(bp->l_ioevent, (bp->l_flag & lbmDONE)); return 0; }