From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-251-72.mail.qq.com (out203-205-251-72.mail.qq.com [203.205.251.72]) (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 F240C15BB for ; Wed, 24 Jan 2024 01:50:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.251.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706061017; cv=none; b=MDJfLrVkCdxEhe9H3vfNvJxDIHdO7Gqo1AnjqLuNVRictmuZWQNyWBmNeSHc2nED8+/Nx8TgDpu1/jQM7iSzYaxAqROtEdXRIVdXAEQNEqrB4Qxi93VxABaxrP+v50tAOmyny8kuY8JMebsRhdjuNol5JnxpXBX0hMlbxaWJbrg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706061017; c=relaxed/simple; bh=l9E1JQFz1baO/04TA2XGeR+Y0ZuDOFDuO9EI5AWvjQw=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=HsPTVKa615/X1DlBa/GNqF4sEWhcRrDkpKJM13FLj7OMas2lCBk33+a5urwPy1yyALrMvVMO1QGxM1a+mKNEQphau/AvlmpF0m+Z+rAuS+954eqpmdZPSdYrHLGYL3vFWC+6N+5wndWVwOxH9+P1F9sxHjFzZP97noj0lvI9UzA= 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=FpB9LoIe; arc=none smtp.client-ip=203.205.251.72 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="FpB9LoIe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1706060705; bh=U2weu1yWJfpc5ss8U0c8YLdbhDWFzKGSGPcTt9qG428=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FpB9LoIeE+05GVtxHF92H2Sf55Tnh94qCyXmyx4qf6Xe/c3iKBbfoe54NpsewngET eJhsDK9dFmzCAc08+esfeYg6jo39vlWSD0bSI04sd6J8cVL9KfIUZJnJTjxawopSqs h1dBx21XPWQtUrYJu7egQG9DazEysSErefyyS09Q= Received: from pek-lxu-l1.wrs.com ([111.198.225.215]) by newxmesmtplogicsvrszc5-1.qq.com (NewEsmtp) with SMTP id B43B4A67; Wed, 24 Jan 2024 09:45:03 +0800 X-QQ-mid: xmsmtpt1706060703tbk1yspru Message-ID: X-QQ-XMAILINFO: N2/jAoEINgTT6wupcecJiu2uV1fJiqccKsqY3vxg3IHhK7ixV4v4RXEznaJID0 Hl19M1a+fCCEGOzc23NVZDbH2UpNAPnBGh07o2Pqra840nj4J2KkfPCRHst9/UOTH+Kd/7CsWAMm zJlwP8QyHkwCGwTTYooCb5XS0SBok1ZJYZUB7udEm/0JeFgneeT9gYnXqOq+TfZBNOjCdej0KiNr ZGbI3UrWvSjQbAvB38qh0Kje9fy/7gLOQPC49jy/Ot1ClCD9dkLIB3vNlk4JWwVJ0Hj3llQb9QkL 2PySQWdj7dm5rn2YUdVQbRiou+YeTqmqdDgtCuhrRCK8jWiN6rkEfE82mToymMVKqQNrTZokwfvb m4ijNge9hM5Ovk1Zcz6zzGD4+PDGSHROwDfFo3EDEaISlI7SDmqdwHWbDyGP0PG4r7nCfoJ8HUj/ GZC0qNzUk3nZEwkq9md+0/Ny8zm2FeRHdnS2UqTx1SvPqhVTpmjct3Ctt8gOjvn55xz9t95p3whn b6jBMF9xXXBx0gTKcg2MJeZ3oK1+qSnw6AakkksXuuxDkr7le/eThaFVt9DNDwW7C5vfSj+Ed5NW Rh9zglohOienylXPWrkVDe45gpVz50ddfkQ5idObv2bBWm21DacmqTrcmNNeCV8eiLJwo40ZXlRC n2iGsrLZ8baA2JG2hMoyycxZ2nzBSS3L5sauLJ8QxF51wDnYISkAgLIf4HM6zzzxfiU5aCgPWuT5 W4wcxk/WnBQLqFTr5UMSnX5WHcFA9nbo9SLvirdwD3PZeJRMfn5tPUuH9MxqY8z+Efnqjc4GGRP7 yn8BrsZWeYidbMKCorYv9oZMH/cx5NGkquhoxWUhSVsvE6w0MlJZN5gvak0w6aFau3NKLoaqWTXP Tv7EtPWCANQ3wCnkkv3o/4xA9lfNbwPpcE01wlV5JBglsFEV2hAc32cwDg5+/L+mruV/FoYgcjxW uvoYiZ+ge27CKb20UiI/tyTEimg/Ep X-QQ-XMRINFO: Mp0Kj//9VHAxr69bL5MkOOs= From: Edward Adam Davis To: syzbot+ab18fa9c959320611727@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [jfs?] WARNING in dbAdjTree Date: Wed, 24 Jan 2024 09:45:04 +0800 X-OQ-MSGID: <20240124014503.4183791-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <000000000000ad0392060f337207@google.com> References: <000000000000ad0392060f337207@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 please test WARNING in dbAdjTree #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 8eec84c651bf..bed14d5169f8 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -2294,6 +2294,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno, */ dbitno = blkno & (BPERDMAP - 1); word = dbitno >> L2DBWORD; + printk("dbitno: %d, blkno: %ld, word: %d, %s\n", dbitno, blkno, word, __func__); /* block range better be within the dmap. */ @@ -2875,8 +2876,9 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl) /* pick up the index of the leaf for this leafno. */ lp = leafno + le32_to_cpu(tp->dmt_leafidx); + printk("lp: %d, leafno: %d, tp: %p, %s\n", lp, leafno, tp, __func__); - if (WARN_ON_ONCE(lp >= size || lp < 0)) + if (lp >= size || lp < 0) return; /* is the current value the same as the old value ? if so,