From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 A52062CA7 for ; Wed, 6 Mar 2024 01:01:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709686889; cv=none; b=TtOYqEPHWuq30ZNZU4TyqNz3vq4X8iRFHUONX1TOaSWWT87bTU2uBGXGQ72u6cu6bIfkZF1CEsr7g3sgmbBRAWx82Q2k7w8tPO4FjsaTJQjjoFZHLbP2EWlrys6xo7jDdgUtuJU5tp6OwM4ipmCnxCBW+v/e9IlS+D0QgwYkETA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709686889; c=relaxed/simple; bh=ojD+ab13fVQy8MH928yiWdsmfg857WbgmGYeDMf5Dvo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=RPIAY0wOAdzlq3Mr0BqvhrJGRxtKjJuVedKn/MWyuJMeG3Y7jEG2yPnBxm7EV+N6NLPHm7u+oO5CQ/W6VKZ13g8jEgGOlNERZHtHNm4CTtyux+h6FQnHTjMess9Ixs0UquRn0XzrjO4tQejH8hB3ODPge0zzn34lxbSxnZ/6BDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3657cf730a0so76001135ab.2 for ; Tue, 05 Mar 2024 17:01:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709686887; x=1710291687; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ULCYzjMNPo8yxvmkaklI4cEsguCDLV7LCUBvtyd40pg=; b=CSM1Dy4/moA4UC5FwBGa0Vh2/4R38RzEDq9NmshPZ2yhzKYbd5FDK0JOebkDVuvdp3 8P2+hTEmpRlzCxTmqHqH7WuebkkbqMELUyxtX19yN0PEMTBBuSTQbzZMVbWMQ8F8A2VU EpS3EIYLhbrhX0G62py64kPXVHSzFZPjdslQAADBZiOPC3pb5PJYtFB8x/lQt5anPF76 bTHzaIQ/JCEKYs3YLLvE8DD4yPZ3/jOIGfUlP4rhktJUsDqCWFEQULijKrs5hQkmhhNn ykmlNahsdOTCa3HIalh9mK6ynqz1OHrZTk6NL2du7hn4v2Ts8+7C5dcuc8AZZM34U+Jz pZHw== X-Gm-Message-State: AOJu0YyO6LKK+chEnbSELSWyfvBijJPmvAhMTowcIz+qzB4RLx4eCYJO nTmsf36EFyfYHaCnTSk1YTbmu9zY2Ho84LSK2BmLZ7havNvs2DCMsOvyCJxzKi1/tTl1Psgceej 7M4RDAL1qWFHPiPPD3LzIR5k6zu3A5bFli56u7ZfveSIm3Lx57hL1x1yx5w== X-Google-Smtp-Source: AGHT+IFeph3Wdz0Qb2ewdoJf81VEg0LaHvCVVK0sy8dkJvPVorfGFqXZL7TYfstX/KZoLxtjFF+zY2mWzGiKmG1vHl+2My8x1GNR Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aa3:b0:365:c659:5922 with SMTP id l3-20020a056e021aa300b00365c6595922mr540708ilv.4.1709686886926; Tue, 05 Mar 2024 17:01:26 -0800 (PST) Date: Tue, 05 Mar 2024 17:01:26 -0800 In-Reply-To: <00000000000069e12f05d0b78c2d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000092a1f90612f37f35@google.com> Subject: Re: [syzbot] Re: BUG: MAX_LOCKDEP_CHAINS too low! (3) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: BUG: MAX_LOCKDEP_CHAINS too low! (3) Author: david@fromorbit.com On Wed, Mar 06, 2024 at 11:58:18AM +1100, Dave Chinner wrote: > > Lockdep is hitting the maximum dependency chain tracker size: > > VM DIAGNOSIS: > lock-classes: 4657 [max: 8192] > direct dependencies: 23720 [max: 131072] > indirect dependencies: 274342 > all direct dependencies: 1053416 > dependency chains: 65377 [max: 65536] > > Some of the reproducers don't involve XFS at all, but all seem to > show something like: > > dependency chains: 131072 [max: 131072] > > So this is a core kernel or syzkaller kernel config issue and not > an XFS issue. > > # syz subsystems: kernel Ugh. try this again: #syz set subsystems: kernel -- Dave Chinner david@fromorbit.com