From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B616C00140 for ; Sun, 31 Jul 2022 18:47:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 8CD5B61066; Sun, 31 Jul 2022 18:47:14 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 8CD5B61066 Authentication-Results: smtp3.osuosl.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=siddh.me header.i=code@siddh.me header.a=rsa-sha256 header.s=zmail header.b=GGC6NTSC X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id anVVGF2Ibyy7; Sun, 31 Jul 2022 18:47:13 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTPS id 8F2C160E25; Sun, 31 Jul 2022 18:47:13 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 8F2C160E25 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4D0D9C0032; Sun, 31 Jul 2022 18:47:13 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 77035C002D for ; Sun, 31 Jul 2022 18:47:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 43B1840614 for ; Sun, 31 Jul 2022 18:47:12 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 43B1840614 Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=siddh.me header.i=code@siddh.me header.a=rsa-sha256 header.s=zmail header.b=GGC6NTSC X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bGAGnEFeGQpp for ; Sun, 31 Jul 2022 18:47:11 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 77334400E2 Received: from sender-of-o53.zoho.in (sender-of-o53.zoho.in [103.117.158.53]) by smtp2.osuosl.org (Postfix) with ESMTPS id 77334400E2 for ; Sun, 31 Jul 2022 18:47:10 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1659293214; cv=none; d=zohomail.in; s=zohoarc; b=VMtZTlZqTpIyiVgpkxvDTwe/5hDJ5qiZzIN+CYThyu+b1oOBOMk+xvSBiB7SY/inhuFbMnx156X/Er9T8DTWf+AKvQwLC5GYo+gRSiF+AwNrI5KDHcAHJXYn9lS5PX18k9g3COaEmxLj8bvMJ0V3dnd64gLOUz0QRB26XVo7zpk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.in; s=zohoarc; t=1659293214; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=Uj4glfeT9Z7nH5oo3H/JP4uyo13D+BpPuLlcPeEcVE0=; b=cbFVMWjHuh+2Tbvv+yheSdv8Rsv4rCdwAUpwnXajeTpSVXcmZPKY6d5bC6yPXFaWCkqfF1QXem9bTZF2qhp417JRgIgHqHQ2PwERbmapIY0J4go9lS5PyOj9/cG2VIPk8fVk3ze0GgFxhEbEA1jL+NkV7zdhF/wW0ozu5UwukzM= ARC-Authentication-Results: i=1; mx.zohomail.in; dkim=pass header.i=siddh.me; spf=pass smtp.mailfrom=code@siddh.me; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1659293214; s=zmail; d=siddh.me; i=code@siddh.me; h=Date:Date:From:From:To:To:Cc:Cc:Message-ID:In-Reply-To:References:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=Uj4glfeT9Z7nH5oo3H/JP4uyo13D+BpPuLlcPeEcVE0=; b=GGC6NTSC74sqGG+ekDg5O9aXSNSdgGaBexWLPVoO1uzC5640kYibHqavkoUyeBM/ rQvW3e7LueMbBxio0QfREfJW3AjnDLqD3//LQ3p5o+/w463Lmsleam1dQxN01R+5IYO frk8Rf34MWUGr/KplwnIA7j9c5s8qXmSg2GrlC6A= Received: from mail.zoho.in by mx.zoho.in with SMTP id 1659293203918386.25370840011624; Mon, 1 Aug 2022 00:16:43 +0530 (IST) Date: Mon, 01 Aug 2022 00:16:43 +0530 To: "Dipanjan Das" Message-ID: <1825594fdb6.52eb2a02235647.5426665702277259900@siddh.me> In-Reply-To: <20220731181131.GB3569921@berlinger> References: <1822b768504.1d4e377e236061.5518350412857967240@siddh.me> <20220723135447.199557-1-code@siddh.me> <3558070.1658933200@warthog.procyon.org.uk> <182407602ce.190e58816827.7904364186178466266@siddh.me> <20220731181131.GB3569921@berlinger> Subject: Re: [PATCH] kernel/watch_queue: Make pipe NULL while clearing watch_queue MIME-Version: 1.0 Importance: Medium User-Agent: Zoho Mail X-Mailer: Zoho Mail Cc: syzbot+c70d87ac1d001f29a058 , linux-security-modules , linux-kernel , David Howells , Marius Fleischer , Eric Dumazet , Christophe JAILLET , Priyanka Bose , "Fabio M. De Francesco" , linux-kernel-mentees X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Siddh Raman Pant via Linux-kernel-mentees Reply-To: Siddh Raman Pant Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" T24gU3VuLCAzMSBKdWwgMjAyMiAyMzo0MTozMSArMDUzMCAgRGlwYW5qYW4gRGFzIDxtYWlsLmRp cGFuamFuLmRhc0BnbWFpbC5jb20+IHdyb3RlOgo+IE9uIFdlZCwgSnVsIDI3LCAyMDIyIGF0IDA5 OjUwOjUyUE0gKzA1MzAsIFNpZGRoIFJhbWFuIFBhbnQgd3JvdGU6Cj4gPiBUaGFuayB5b3UgZm9y IGV4cGxhaW5pbmcgaXQhCj4gPiAKPiA+IEkgd2lsbCBzZW5kIGEgdjMuIFNob3VsZCBJIGFkZCBh IFN1Z2dlc3RlZC1ieSB0YWcgbWVudGlvbmluZyB5b3U/Cj4gCj4gU29ycnkgZm9yIGp1bXBpbmcg aW4uCj4gCj4gV2UgaGF2ZSByZXBvcnRlZCB0aGUgc2FtZSBidWcgaW4ga2VybmVsIHY1LjEwLjEz MSBbaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsL0NBTlgyTTViSHllMlpFRWhFVjZQVWoxa1lM MktkV1llSnRnWHc4S1pSendyTnBMWXorQUBtYWlsLmdtYWlsLmNvbV0uIFdlIGhhdmUgYmVlbiBz dWdnZXN0ZWQgdG8gam9pbiB0aGlzIGRpc2N1c3Npb24gc28gdGhhdCB3ZSBjYW4gaGF2ZSBhcHBy b3ByaWF0ZSBtZXRhLWluZm9ybWF0aW9uIGluamVjdGVkIGluIHRoaXMgcGF0Y2jigJlzIGNvbW1p dCBtZXNzYWdlIHRvIG1ha2Ugc3VyZSB0aGF0IGl0IGdldHMgYmFja3BvcnRlZCB0byB2NS4xMC55 LiAgVGhlcmVmb3JlLCB3ZSB3b3VsZCBsaWtlIHRvIGJlIGluIHRoZSBsb29wIHNvIHRoYXQgd2Ug Y2FuIG9mZmVyIGhlbHAgaW4gdGhlIHByb2Nlc3MsIGlmIG5lZWRlZC4KPiAKCkFzIHlvdSBhcmUg c3VnZ2VzdGluZyBmb3IgYmFja3BvcnRpbmcsIEkgc2hvdWxkIENDIHRoZSBzdGFibGUgbGlzdCwg b3IgbWFpbAphZnRlciBpdCBnZXRzIG1lcmdlZC4gWW91IGhhdmUgcmVwcm9kdWNlZCBpdCBvbiB2 NS4xMCwgYnV0IHRoZSBjaGFuZ2Ugc2VlbXMgdG8KYmUgaW50cm9kdWNlZCBieSBjNzNiZTYxY2Vk ZTUgKCJwaXBlOiBBZGQgZ2VuZXJhbCBub3RpZmljYXRpb24gcXVldWUgc3VwcG9ydCIpLAp3aGlj aCBnb3QgaW4gYXQgdjUuOC4gU28gc2hvdWxkIGl0IGJlIGJhY2twb3J0ZWQgdGlsbCB2NS44IGlu c3RlYWQ/CgpJIGFjdHVhbGx5IGxvb2tlZCB0aGlzIHVwIG9uIHRoZSBpbnRlcm5ldCAvIGxvcmUg bm93IGZvciBhbnkgb3RoZXIgcmVwb3J0cywgYW5kCml0IHNlZW1zIHRoaXMgZml4ZXMgYSBDVkUg KENWRS0yMDIyLTE4ODIpLgoKVGhlIHJlcG9ydGVyIG9mIENWRSBzZWVtcyB0byBoYXZlIGxpbmtl ZCBoaXMgcGF0Y2ggYXMgYSBwYXJ0IG9mIENWRSByZXBvcnQsIG9mCndoaWNoIGhlIHNlbnQgdjIs IGJ1dCBoZSBzZWVtcyB0byBkbyBpdCBpbiBhIHJvdW5kYWJvdXQgd2F5LCBhbmQgYWxzbyBpbiBh IHdheQpzaW1pbGFyIHRvIHdoYXQgSGlsbGYgRGFudG9uIGhhZCByZXBsaWVkIHRvIG15IHYyIHBh dGNoLCB3aGVyZWluIGhlIG1pc3NlZAozNTNmNzk4OGRkODQgKCJ3YXRjaHF1ZXVlOiBtYWtlIHN1 cmUgdG8gc2VyaWFsaXplICd3cXVldWUtPmRlZnVuY3QnIHByb3Blcmx5IiksCnNvIEkgZ3Vlc3Mg SSBjYW4gcHJvcG9zZSBteSBwYXRjaCBhcyBhIGZpeCBmb3IgdGhlIENWRS4KCk5vdGU6IEkgaGF2 ZSBhbHJlYWR5IHNlbnQgdGhlIHYzLCBzbyBwbGVhc2Ugc3VnZ2VzdCBhbnkgbmV3IGltcHJvdmVt ZW50cyBldGMuCihleGNlcHQgcmVwbHlpbmcgdG8gdGhlIGNvbnZlcnNhdGlvbiBoZXJlKSB0byB0 aGUgdjMsIHdoaWNoIGNhbiBiZSBmb3VuZCBoZXJlOgpodHRwczovL2xvcmUua2VybmVsLm9yZy9s aW51eC1rZXJuZWwvMjAyMjA3MjgxNTUxMjEuMTIxNDUtMS1jb2RlQHNpZGRoLm1lLwoKQWxzbywg eW91IG1heSB3YW50IHRvIGJyZWFrIHRleHQgaW50byBtdWx0aXBsZXMgbGluZXMgaW5zdGVhZCBv ZiBvbmUgaHVnZSBsaW5lLgoKVGhhbmtzLApTaWRkaApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1rZXJuZWwtbWVudGVlcyBtYWlsaW5nIGxpc3QK TGludXgta2VybmVsLW1lbnRlZXNAbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZwpodHRwczovL2xp c3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1rZXJuZWwtbWVu dGVlcwo=