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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