From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out162-62-57-137.mail.qq.com (out162-62-57-137.mail.qq.com [162.62.57.137]) (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 7DF341EFF9D for ; Wed, 19 Feb 2025 13:54:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.137 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739973266; cv=none; b=sprjvVbhflLg4Os2vH4n4NyDEe3YFRoVMf5AeRtgMdUkBxOxr+HaGvCGSceQgFmtsWtr8ub9ltj1hfdZYTergH1GwINUfeXGuwwvpLYpf0K/RI+G3Kt8fJhpxWAiUNggMBezxeU40NuhUgH7T7+jt2eFT9azKpj2TfrPb2YUBX4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739973266; c=relaxed/simple; bh=vGBTWvpUIw97tTe4w8yl5K0ojnEEl5FlFqfjhmKUBFQ=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=NNWCIS48TJjKXOywXN9iYoMWS/bLOwAWlEKvxEHkjK3BpfUAEhj+v4YPMCRElfbmGvt2HMtZGipbFw4N9t/5f8ILDXa704cjopsfc7XG72/xmM4dhwDsUi1A43aPk9dm+EN29tDMmKJj8gUEB2BL+ZHsez/Fss0Swe1g8KUesU4= 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=Ev8eORLs; arc=none smtp.client-ip=162.62.57.137 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="Ev8eORLs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1739973251; bh=3Nuz9e1oib+Z34P/zRN6r5EtIJ7+L5I7sJ+M5YRDEwU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ev8eORLsXPUjyUyvxZSi3HYAxOMbnixwhWW1aLZyy1uwj3TuhdvKkaejuUVsJ+FrU tP4BPcoQ6Y6CRQI5IR4htQb3BK+sSOWjbS3ilM+surHOZXhSTvlb72h06N8N1dI2B9 uDSBTOn5GroRcjIItU9OnibSV9Kl6SlGNDfhoGOo= Received: from pek-lxu-l1.wrs.com ([114.244.57.157]) by newxmesmtplogicsvrszb16-1.qq.com (NewEsmtp) with SMTP id C0427EAD; Wed, 19 Feb 2025 21:48:04 +0800 X-QQ-mid: xmsmtpt1739972884tiebj62ym Message-ID: X-QQ-XMAILINFO: NB2Y38G+/V2YzFOpSuohHtGshZuG5zCtVqGo8Ct96j9iR1V5sRZFOtjhFykGlm t/wpunqQeluXxERXQJRYG3xBAh9m9/0SrZ1V1Muvjhrqbi8AtPVLaVwz70rMlGxMU/faiUUsEkUI mECHzxYcw4wL7XzYB1E+mba8UyWOrrUttF5pEYRzGlSBaHj9tu4/nVoZsAN/5ac4SDJZ7VjS/boP E1QNGMoueLApRy3+VVjhTRMmjDlMFX2hCg6hw16SkSBcSRI95VWektaf/VBOEyOTUNKXRrlXnXTe mxNO52FLnu6bTQyLVmHP/FgDnNxKUJmwG+6hy1bSIcS3DKsKfT5bz1PuSwQgZxcBGcXT65y3aGBv xKkLx5LvfmyyWB6YQEcuKxNTes21dG1kiK1PkdvsuPA73rmPICZcCo/HiAOM2JWy75uK5t9gZN5N QNQ8mhch/f1j2/JHN2oKNBbfTKf+xZG120m12HGd//qfCCf+HBi0E1RrIHn8vO+FxNodScCsVc5T 1YuC4O9JxopsaVPox+DNbn2vr4dxKWUcsDfEOmwB8Vw9Hp79jbnUVZdN9kXVdAGlGw7v7xRCBjyN PaqwHQzNdsSJA1tDmmRGyvWbdxktahN6lFXQ/B96iqTxoa0MP9pCpkoYK5aATYdP4M5E47dzFGJ2 G6X/JaWos+ad+jx0zsp/HdiULbSIVrHng413Z7+V2DYJdkcZzj5bNKejoOxHaU2EPKE+5XCHizW2 7nm8oBx9ozBIFttYr8unhO6/5avjcqJJxUyOJh7a8HDJq9KdXIIl63KKfyA2QAW7UWudEn5NdZHv qFi0oE6fWs9hg9ID0OH9QiqAJP9QY6mYO40ZuRyKIPaoRk9CMAm+brXFL9UZxiPi7qA05ckChXXJ prNNj64e3kNC8zjVyrlhVPhcwq5y9wQQ== X-QQ-XMRINFO: NI4Ajvh11aEj8Xl/2s1/T8w= From: Edward Adam Davis To: syzbot+df6cdcb35904203d2b6d@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [jfs?] KMSAN: uninit-value in diFree Date: Wed, 19 Feb 2025 21:48:05 +0800 X-OQ-MSGID: <20250219134804.1576109-2-eadavis@qq.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <67b5d07e.050a0220.14d86d.00e6.GAE@google.com> References: <67b5d07e.050a0220.14d86d.00e6.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 diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index a360b24ed320..ff32b614a09b 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -134,6 +134,8 @@ int diMount(struct inode *ipimap) imap->im_agctl[index].numfree = le32_to_cpu(dinom_le->in_agctl[index].numfree); } + imap->im_diskblock = 0; + imap->im_maxag = 0; /* release the buffer. */ release_metapage(mp);