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 3B8E5233722 for ; Mon, 14 Jul 2025 07:23:35 +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=1752477816; cv=none; b=IkBDmJj39tXiZisOxDLLzg/3UC1ZoPYCDH6HWFGLr97KG1RB03XZlBU+GKGrpeaXfCA+ZrhgZI6GqwT/OHmjO0MzYgn4rEBg6SkEcPx7a+s7Bh6c7d6Il4YMkC2ge8QoPVIniKvDMbSWzHK/xqUbpevOIl5NCGiG/VUSgeEr7D0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752477816; c=relaxed/simple; bh=FJ3ExfCWaONCHeorw/P08LNxEWiMpCfkZCwqNxgfz/I=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=cISiqxWO7aOwvs2838/QdEpZ22gliY6hT2eMqVA0O79PKSzW8DrGg3F+SEErGIxQLSXvGd6EWD79bzq8POfyVIGEJGWgPaIuZdlVqMSLIF4anGCDS7zpAuGyL1qmZmowFqY0IyuqkvRX9cdAoFrY14CdCq3KzxNzX2Am/JMvohY= 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-3e059add15eso46272105ab.0 for ; Mon, 14 Jul 2025 00:23:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752477814; x=1753082614; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=uEq/9i8dm66/4bTT69fACTtRv1m0n4oVUgYXfDfMYCQ=; b=Kruyd8NpH9uHIsJChPb6EggIPXfGhyeGDj3pNPM8mH0bfcaQxYs92UJNQfoW/RI/FO 7qUTRRhwPbXkoooRgVsrgD3Wf+/TDrhhbcWdfLA9P5Ixe4/6mXV4sIsrEOq1SA+LnxCs oMZc825C5vxuNv8GpXGoxInPRRwLSJuhKB8Jhm0rted7ccAfDJuFPBDssMp7G8zrzFfc hxwQL7TBYoUyzNPbSHapQGwoX1npTKBU4Ngjnd+ujIR+30+vAq+q58kiNfjkV5cIvp3e ltUtMgruCPo11VzldsnxaRelT8pN99UgSuohtrTzq5YH1MiEDOetW3gpj/FWmJZM/Swg tyiw== X-Gm-Message-State: AOJu0YxZYZZH9LPf8ipH0MyUZYAgDfcfR806O6Or2i/HYY42Js/XCOhy 0IZk1LDCxuig8W1Sv97EroGXNCU+0EVQWoJDehauH80cLPvN4KjJ5mEFwROosww/+YjBCORUVZ8 jfPehx8veKIsDETCoieWwDeqrfyJi2V7xqk/aNacovp2MSy+EwrfG24x1jhk= X-Google-Smtp-Source: AGHT+IFZSKkCQHJ+bnjphTM8F/AEXkqPhL5S/FfmE5VezNJINUTk9Kzfbb8OqCbYRLHFtW1vl7OGvwdjL85ja7djvi7PDNkkesZi Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:154a:b0:3dd:8663:d182 with SMTP id e9e14a558f8ab-3e253305706mr87465675ab.13.1752477814321; Mon, 14 Jul 2025 00:23:34 -0700 (PDT) Date: Mon, 14 Jul 2025 00:23:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6874b076.a70a0220.3b380f.004f.GAE@google.com> Subject: [syzbot] Monthly mm report (Jul 2025) From: syzbot To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello mm maintainers/developers, This is a 31-day syzbot report for the mm subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/mm During the period, 7 new issues were detected and 2 were fixed. In total, 117 issues are still open and 299 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 7412 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <2> 3828 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <3> 3641 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <4> 2879 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 2554 Yes possible deadlock in gup_fast_fallback https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd <6> 2365 Yes BUG: Bad rss-counter state (5) https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d <7> 2135 Yes WARNING in kunmap_local_indexed https://syzkaller.appspot.com/bug?extid=691cb37358791bebebe6 <8> 607 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <9> 570 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <10> 430 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.