From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 C9AF421C180 for ; Wed, 5 Feb 2025 05:58:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738735086; cv=none; b=Ocr7eeRBmIXg9SIG+yibNFLFLCvdACBetH4tAottyjSU42p0CatoU44eI9PjP43EpyUYco5PxzOQ92Y1Ada3q6uO+4D/BNjS+6aC1EM30GvYMX2dLm+vTMjRhtlnNVgLofdlUuf1NwWb3r1JI5ZOjfE8LSF6zt8/BcZlwvTEqdU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738735086; c=relaxed/simple; bh=eCnvaDRC7nQVJQXr7yFA3eXDOv1kw8Jo9IyBztnYNLA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=DKr6eaRO4i+ZOMHSh06Tou61abUvv31mbRmd353jQvRG7G1bFsTfL+E0YJC5dHb9X+DRZSlbbzW36IbzYKJbCEbqfX6aDn2CjFe2TcY7eA4NH41hovuGszzaQabcu9+ZForbnFeMxDefDGUsFaClJ0sKmXGJWW8fsPesCJJ3XsM= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3d04dde4aa8so13421585ab.2 for ; Tue, 04 Feb 2025 21:58:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738735084; x=1739339884; 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=YgoGYXPL3jaqGsvD6yqUXKZyHZuAvF3NbJLN1Y2+mos=; b=R+SOI+5eRZIyE5VCSYjczO7sZb/sHnc6qAYLgG6egKCVuJm/8nHT+yTJpFQoatZkZX OQ27HsAwgp3X54ZI7o/Jxt7DBe9U/n3festtLOAV74RcCDPzdXptfz/N22SCyvcfsd7J XLmNZa3UR9t84w+CMMNlzc7tyVn6BBQvJYdddImeSZHAw2ATLvSOLqq28/EXyXRzt1Wv YOBpY3QCbWIb6TLZQC26yN4oMH419I3lcGEORgYFGRV2Plk0HEzZ819B80dmcMbJXhiU fbcrr11ZcD6vAhHKSORrviba4w3gps7cGz5ogfObJzze/FVGe2HRVzkQ8lFMRneCZGfO XlLQ== X-Forwarded-Encrypted: i=1; AJvYcCXPh/Eq+HvF7ppuh2Tdrzw6y+Ds8TXGSW6hzgK20dbyeIH7FvNmVPhSao9eXAOd8gxHVQJoTheOnL4zm3o=@vger.kernel.org X-Gm-Message-State: AOJu0YzTGcu0kUagiUlP/po5TCtrzaanMVrJ9Shcl+pZLiBEkNix7UeE 1qQKfW8gxAgtLEQNieH0haBMarJU2/M8ad5vsOQT64PHawwkKYnsZy4FkTJ6aFbOtM2u+d2Umjb WhaytsKmWw3bq9HdK4C/ff+bw6opyOKST6o/ry7ouQ5gRQtkC0RPNeEE= X-Google-Smtp-Source: AGHT+IH2nDOcRyAbsP/ZFFbGw/cJPsTUsTveiVlP2eXWQqknQYXSK25WNlXoJeeQrPdOOXsXY/uUaSs949Dx2cxKLiUZKAR2dHni Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d1d:b0:3d0:28d3:e4ba with SMTP id e9e14a558f8ab-3d04f917ccamr14330045ab.18.1738735083923; Tue, 04 Feb 2025 21:58:03 -0800 (PST) Date: Tue, 04 Feb 2025 21:58:03 -0800 In-Reply-To: <67a23341.050a0220.163cdc.0069.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a2fdeb.050a0220.50516.000e.GAE@google.com> Subject: Re: [syzbot] [block?] BUG: sleeping function called from invalid context in unmap_mapping_folio From: syzbot To: akpm@linux-foundation.org, ansuelsmth@gmail.com, axboe@kernel.dk, david@redhat.com, dianders@google.com, kirill.shutemov@linux.intel.com, lilingfeng3@huawei.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, riyandhiman14@gmail.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 1760a1b5aacbe00dec464b1bf2b10443c10377ad Author: Kirill A. Shutemov Date: Thu Jan 30 10:00:45 2025 +0000 mm/vmscan: use PG_dropbehind instead of PG_reclaim in shrink_folio_list() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c2ef64580000 start commit: 40b8e93e17bf Add linux-next specific files for 20250204 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16c2ef64580000 console output: https://syzkaller.appspot.com/x/log.txt?x=12c2ef64580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ec880188a87c6aad dashboard link: https://syzkaller.appspot.com/bug?extid=95f1db35defd8524f1dd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16010df8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12f078a4580000 Reported-by: syzbot+95f1db35defd8524f1dd@syzkaller.appspotmail.com Fixes: 1760a1b5aacb ("mm/vmscan: use PG_dropbehind instead of PG_reclaim in shrink_folio_list()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection