From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7108B2E844 for ; Mon, 19 Feb 2024 12:56:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708347368; cv=none; b=a6U6PuISXgAVfYZyGVQtPoMNHcMavmO6TDn302BPPPPbPYSR+9yXUqxzkO14U3+lCKQ+HZ3s93P9e/BMWUJjqgaMG7oIJKNGCEQ1/8SLcSExEMYUkjEqhjE2PEtyaB2bvXI89RLVkrJGDqijwEXFyrH8aY22sbZKU1m4fNJ3lb0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708347368; c=relaxed/simple; bh=1xMUyCp7MByC4pxmGHlkXU0SqaRPNqUQxypzPEEGZTY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HjK0DNteR+JFxVMG1tUk28og76XG948z+4PqJT64oqm+DD9VOpw77NCg0JcLuphx9jviYkjl0N+zvhgQaF5zQYtiVMhmEqK2gSCWr1yUE5Nl7xvRYo9fV8R9OGSTdolIKI8+izgq/gY74KCu1oLI6vFU50YeVaDZ2DTdxdGctlY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz; spf=pass smtp.mailfrom=suse.cz; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b=Vz/b3y+W; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=UvmK2WYN; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b=dJBbbMw6; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=rx0TOfk1; arc=none smtp.client-ip=195.135.223.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="Vz/b3y+W"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="UvmK2WYN"; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="dJBbbMw6"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="rx0TOfk1" Received: from imap2.dmz-prg2.suse.org (imap2.dmz-prg2.suse.org [10.150.64.98]) (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-out2.suse.de (Postfix) with ESMTPS id A385B1F7F7; Mon, 19 Feb 2024 12:56:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1708347364; 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=TWRdspdcX3pYQWfNbt9wzvKxEQREQ1wZYPUI0lwbR2o=; b=Vz/b3y+Wis0IDsEdSmDxJ3aRR3Zin6jo/maOrkKPkZj1Q/1REQuE+san0w//NOGMxzE5et MFePVK0vOWNbxzufnHqyU+NqmIWWc6Ve3dsPEcjx5XvBgPdPFedYF0oxABiod0hRN3orvT dY07EKNYQCrTyOiuZdM0MKow9/F4c1s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1708347364; 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=TWRdspdcX3pYQWfNbt9wzvKxEQREQ1wZYPUI0lwbR2o=; b=UvmK2WYNhvzljgDn657vqNCu4O5jODq4IzP5sIIcXiBqncQeVCnDg1EYSlFVIB7qQ0Lwr/ MjEU3Hkf/Y2G4RCw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1708347362; 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=TWRdspdcX3pYQWfNbt9wzvKxEQREQ1wZYPUI0lwbR2o=; b=dJBbbMw649OgT1w3qsyvKW7FWn2KkHKOvMsaRti5xE6lEg7FhW34huv5CbBQZ8HSrIQdb+ JvDiIs8nFLO5pvYexmnxyyPsERkgWR7qMnIFozVUflsb7FqLiLAprDpmG8dxED30rjjRQv ZOeZtJqMM+AoFPh0lruNvzFJOsVQm8Q= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1708347362; 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=TWRdspdcX3pYQWfNbt9wzvKxEQREQ1wZYPUI0lwbR2o=; b=rx0TOfk1P728XPAdp67rvDcPpemYH2UXp/ybsqyEDScOPyWIdbdqUoZZ9waagM7ytA+1uW 3N5OhMQWyK2i9YCQ== Received: from imap2.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 imap2.dmz-prg2.suse.org (Postfix) with ESMTPS id 93DB2139C6; Mon, 19 Feb 2024 12:56:02 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id zoIRJOJP02VOfQAAn2gu4w (envelope-from ); Mon, 19 Feb 2024 12:56:02 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 3D7F7A0806; Mon, 19 Feb 2024 13:56:02 +0100 (CET) Date: Mon, 19 Feb 2024 13:56:02 +0100 From: Jan Kara To: syzbot Cc: agruenba@redhat.com, axboe@kernel.dk, brauner@kernel.org, cluster-devel@redhat.com, elver@google.com, gfs2@lists.linux.dev, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, nogikh@google.com, peterz@infradead.org, rpeterso@redhat.com, syzkaller-bugs@googlegroups.com, valentin.schneider@arm.com Subject: Re: [syzbot] [gfs2?] general protection fault in gfs2_dump_glock (2) Message-ID: <20240219125602.mytnw647csn777bc@quack3> References: <00000000000050a49105f63ed997@google.com> <00000000000077ce280611bace5b@google.com> Precedence: bulk X-Mailing-List: gfs2@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: <00000000000077ce280611bace5b@google.com> Authentication-Results: smtp-out2.suse.de; none X-Spamd-Result: default: False [2.89 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; BAYES_HAM(-0.01)[45.13%]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=5eadbf0d3c2ece89]; TAGGED_RCPT(0.00)[427fed3295e9a7e887f2]; MIME_GOOD(-0.10)[text/plain]; R_RATELIMIT(0.00)[to_ip_from(RLf9gkbf6uh3yspgf5h4jyjkwo)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[15]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,syzkaller.appspot.com:url,suse.cz:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_HAS_QUESTION(0.00)[] X-Spam-Level: ** X-Spam-Score: 2.89 X-Spam-Flag: NO On Mon 19-02-24 03:58:05, 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=14238a3c180000 > start commit: 58390c8ce1bd Merge tag 'iommu-updates-v6.4' of git://git.k.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=5eadbf0d3c2ece89 > dashboard link: https://syzkaller.appspot.com/bug?extid=427fed3295e9a7e887f2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=172bead8280000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d01d08280000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: fs: Block writes to mounted block devices I don't see anything that suspicious in the reproducers but there's no working reproducer anymore. So I'm leaving this upto gfs2 maintainers to decide. Honza -- Jan Kara SUSE Labs, CR