From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 90EA017584 for ; Mon, 15 Jan 2024 13:59:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="msSEKnM2"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="Jm5offHg"; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="msSEKnM2"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="Jm5offHg" Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 1E8A941729 for ; Mon, 15 Jan 2024 13:59:52 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 1E8A941729 Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa header.b=msSEKnM2; dkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=Jm5offHg; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa header.b=msSEKnM2; dkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=Jm5offHg X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: -4.4 X-Spam-Level: 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 kZ6GCLvqP-gS for ; Mon, 15 Jan 2024 13:59:51 +0000 (UTC) X-Greylist: delayed 1039 seconds by postgrey-1.37 at util1.osuosl.org; Mon, 15 Jan 2024 13:59:50 UTC DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org D9EB141728 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2a07:de40:b251:101:10:150:64:1]) by smtp2.osuosl.org (Postfix) with ESMTPS id D9EB141728 for ; Mon, 15 Jan 2024 13:59:50 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 5AF3821EC2; Mon, 15 Jan 2024 13:42:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1705326148; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JctaG+RAw/QJiVZZcVRMYh+/2tbE9PXTDPR2pEygJ5s=; b=msSEKnM2i/qWGCxQn23LtvtB/MFntQOOTrzP9njtHgw4h5dIaUCZ0Ehhxumd+NJFFUe64x M3ZDGEwQXh3tYo1qkfQmSlind1+i6dP1ppF2cK15xhrxY5u5nIAd4V4zllDj6Nbyvr4u60 vADplLPUvGAPA9s06JBIeLcnjbTB8y0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1705326148; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JctaG+RAw/QJiVZZcVRMYh+/2tbE9PXTDPR2pEygJ5s=; b=Jm5offHgUuqdEXex/jp1LqnOgiaIRM1Xt0ELsez0cHE5SHtpXsbsXX4rtqZzKbglApEnjj yDQu8TsWQVRnKjAw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1705326148; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JctaG+RAw/QJiVZZcVRMYh+/2tbE9PXTDPR2pEygJ5s=; b=msSEKnM2i/qWGCxQn23LtvtB/MFntQOOTrzP9njtHgw4h5dIaUCZ0Ehhxumd+NJFFUe64x M3ZDGEwQXh3tYo1qkfQmSlind1+i6dP1ppF2cK15xhrxY5u5nIAd4V4zllDj6Nbyvr4u60 vADplLPUvGAPA9s06JBIeLcnjbTB8y0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1705326148; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JctaG+RAw/QJiVZZcVRMYh+/2tbE9PXTDPR2pEygJ5s=; b=Jm5offHgUuqdEXex/jp1LqnOgiaIRM1Xt0ELsez0cHE5SHtpXsbsXX4rtqZzKbglApEnjj yDQu8TsWQVRnKjAw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 50E11136F5; Mon, 15 Jan 2024 13:42:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id /zq2E0Q2pWXoZAAAD6G6ig (envelope-from ); Mon, 15 Jan 2024 13:42:28 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 19A03A07EA; Mon, 15 Jan 2024 14:42:28 +0100 (CET) Date: Mon, 15 Jan 2024 14:42:28 +0100 From: Jan Kara To: syzbot Cc: axboe@kernel.dk, brauner@kernel.org, dave.kleikamp@oracle.com, ghandatmanas@gmail.com, jack@suse.cz, jfs-discussion@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com, syzkaller@googlegroups.com Subject: Re: [syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diWrite Message-ID: <20240115134228.vk73b4lkk7lxkgyr@quack3> References: <00000000000027993305eb841df8@google.com> <000000000000c746f0060ee2b23a@google.com> Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000c746f0060ee2b23a@google.com> X-Spamd-Bar: + Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=msSEKnM2; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=Jm5offHg X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [1.24 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLjmuxkameenh34oafz4d4fopd)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.cz:+]; MX_GOOD(-0.01)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; BAYES_HAM(-0.25)[73.41%]; SUBJECT_HAS_QUESTION(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901]; TAGGED_RCPT(0.00)[c1056fdfe414463fdb33]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[13]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; MID_RHS_NOT_FQDN(0.50)[]; FREEMAIL_CC(0.00)[kernel.dk,kernel.org,oracle.com,gmail.com,suse.cz,lists.sourceforge.net,vger.kernel.org,lists.linuxfoundation.org,googlegroups.com]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] X-Rspamd-Queue-Id: 5AF3821EC2 On Sat 13-01-24 23:18:05, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 6f861765464f43a71462d52026fbddfc858239a5 > Author: Jan Kara > Date: Wed Nov 1 17:43:10 2023 +0000 > > fs: Block writes to mounted block devices > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17ec162be80000 > start commit: 493ffd6605b2 Merge tag 'ucount-rlimits-cleanups-for-v5.19'.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901 > dashboard link: https://syzkaller.appspot.com/bug?extid=c1056fdfe414463fdb33 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f431d2880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1208894a880000 > > If the result looks correct, please mark the issue as fixed by replying with: Makes sense: #syz fix: fs: Block writes to mounted block devices Honza -- Jan Kara SUSE Labs, CR