From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.167.199 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793102938; b=Piirdye/DXBAKO/R9I1KYSBrMPPLyee/ozhUW3EMJ0NRj3Pp3wwuKpWqw7B+M5e3gn5d lhu9EVwEnD0bzoegqyfh0Kn27q1dNwnFgAvIWRgvG1K7oCZswtV6zXJyFtSjuzWwHBNwM nvyPiKrJCiJh/tvVU/swp/K9QpfrtEl2V6iYwQvRKjr1e7ouCTHXggbv3fL6Xyo1IVjt5 /viFEb/0cl1dvlK4c5bcoLA7OQkOO3Q4zsjge/glbgE+t4m/2uPvHcQ38I2cKQAwiQ/L7 qbwfqHQ6XSOwDNJDN7lKMDdJsMCQkZa84EGVKfYZGcu05/paDqzDEk1JKUoy+AHW3hQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793102938; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:MIME-Version:X-Received:Date: X-Google-Appengine-App-Id:X-Google-Appengine-App-Id-Alias:Message-ID: Subject:From:To:Content-Type; bh=3x0gcGxLoe8xh9zXM3KZqk8OeXnLeLRjDbX8BPObqNg=; b=jNvQp8w+KIgwPSucmBcrGldEqDwpStY4ohSIbAMPPlkE6qSBBnaSi5AReh69HiK3lCcn DLBRf6P9yq+hUzPdOLCJgogD2QQR5End++wt27lfTRypmwaibxeSfJkWtLlBjrfeh/ZYu zweuPciE4d6Ay07arj14R2UmDi3LXkwfxd4nQ+SGNzOJMnouEVzFPRsqvu1aLy1y5AOOs WF9UWSFqZaTKqcGpmE1qUIvnOd8EEoaZZZ2PTnpD7ZctV2XfO0qZDAbGGbjDvnxHi7Md9 Ek+VyTIJg90/ueMpB/DYw/v8JoFyi656ObX0ah2FV+cO3bOJYWBOT1qc/sfRFKYPFEw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.167.199 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9DDDE606A31E for ; Tue, 27 Oct 2026 12:08:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9DDDE606A31E 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-oi1-f199.google.com with SMTP id 5614622812f47-4f2040e10d8so3696182b6e.3 for ; Tue, 27 Oct 2026 05:08:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793102937; x=1793707737; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=3x0gcGxLoe8xh9zXM3KZqk8OeXnLeLRjDbX8BPObqNg=; b=AlBk9KCNQW+Yzj31ddJ8ufnSGqvhlixsZuopHLunHJmz38TBRMlBWU7vecrHNEx5EP i9w89aeDyNjjMYthTzuiQLwx0RzmMeuyXLQeTYMueHpPIafO4LiUWojRApZxbjniGAtm udKgp2p5swCmr6BLbyQrbxtwlk8tPtPOS3I+4oFc0PqQeyOOPcEdiahsmwD4Jf4hBfre iOPyBymo0l7vhkH2ErQ3akJfqhOx2PrH2SKHxyrI0QXKfr4EN1kwKyEHY3DRQfJ8hwee opLF2wdM53AETF1TGdYQ2/Td/KHLiHFbdCIwe7dV+xZSVoiYok8fOnPi1nCi5Wn6XA6r fs9A== X-Forwarded-Encrypted: i=1; AKwUvByNZ8ZvCfdgUROHYr6qkGoll+cEEbqrV8OXLbjmSXDNHoCX9mLxRkg4/hQvpHC1v0o+KKRY/XhK5EDrzLk=@vger.kernel.org X-Gm-Message-State: AFq9FYIwNRGhm/MqOVs8T3wUbpDSRTfpwONX1i+T8iiQ/ZxSD+8478f4 9Y4rI34GnXPorShmCMbMTj1QFP7vlvE0pup846KWvWXHKCAO9VSrLxtyX0Kwbd+R8jmjE0QEu8W pQp42DFXdfYJBdh9dAMrthKHwiyqMLRMk7mggDwaoXhZDsMDfp43zR9nhSuQ= X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:1822:b0:550:de67:2631 with SMTP id 5614622812f47-55c00414357mr5845145b6e.63.1793102936555; Tue, 27 Oct 2026 05:08:56 -0700 (PDT) Date: Tue, 27 Oct 2026 05:08:56 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ae09458.f0fe5aea.79aa1.008e.GAE@google.com> Subject: [syzbot] [mm?] [usb?] WARNING in corrupted (4) From: syzbot To: akpm@linux-foundation.org, cl@gentwo.org, hao.li@linux.dev, harry@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-usb@vger.kernel.org, rientjes@google.com, roman.gushchin@linux.dev, syzkaller-bugs@googlegroups.com, vbabka@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 5b0764a53235 Merge tag 'drm-next-2026-10-21' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13739fc9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fd1433abd362f255 dashboard link: https://syzkaller.appspot.com/bug?extid=9fe09db3795456e0b442 compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11cb9b0d580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/05ac8658d211/disk-5b0764a5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9cfb73243216/vmlinux-5b0764a5.xz kernel image: https://storage.googleapis.com/syzbot-assets/fc45c7faf785/bzImage-5b0764a5.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9fe09db3795456e0b442@syzkaller.appspotmail.com ------------[ cut here ]------------ !PageLargeKmalloc(page) WARNING: mm/slub.c:6855 at free_large_kmalloc+0x97/0x110 mm/slub.c:6855, CPU#0: kworker/0:1/10 --- 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. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup