From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 34939170A22 for ; Mon, 12 Aug 2024 10:54:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723460062; cv=none; b=rH+/T4OEgo/Ic9zFHLIIpNgZCwfcXaZ4OQ0KIlc1eDmRF4tBIKWQqougeQx8plzkifZzFEqLOvCpmXuSBVpTLOLqXdd++GIINwk/1ddJKPxopBWABCUarYmJNigPT1OmW4XAfULhTbKXcrMNXGUAx9az5/Zd/SCfHADRYxAfxso= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723460062; c=relaxed/simple; bh=G/lZ9ombagatQ35vOvVExPEWrHkr42hFmbyMRdiiiak=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=JspdtFKyoVNcYkxnD5zHLZ43nixR9ezwFMm1OUhLh/arTJJgOCRpKWIJJ44J9OGmgSnCPjrb4EsBeWmOGRljBuKm/CpkkcqNk27HXMOeX8T5Go5qNmm4yKy+M8A6V4CsTe8MKdaAjhUzZgQOwe9I1qY4HoA6FmfvYRqDB1HNcME= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-81f8edd731cso562629539f.0 for ; Mon, 12 Aug 2024 03:54:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723460060; x=1724064860; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Zg0oqJUjqzU4IhYLYe96BvNYUcfYgAO0WzHeXvUbP1A=; b=JNJTE7Xrs2BXd+VusOR9L/3ezcXFuKb1SEsyk5JSRe5ItDZAVH8xsENsq2em15owJe XRYIFAemolRsj4doz5caJaY2uGxlgKl+YaWRSqR7eUMdFnJLWvwoS6CxufGf8z3qZl6V +MGcq6PZgVybL4wnw/YBYXMxPgCULh9YVKtnZYgMbOShKiXQXVnLbSMy5vtAytQ0N626 czJ229DcARw+hAfX6r1v9cgDFj/d02DHyd4yGydKegePEb443tCwrKrt4HXb/DrSDcYQ x5qon4IqGDep9OaGCl6H8YaiIEwR5AqAPU03qTjPV+TQ+H+492gbE5RvHCENi3a8rDvb bEag== X-Forwarded-Encrypted: i=1; AJvYcCVFbD4m6yeLPP1ruCuZTzWJUFzx3yCO4bkyokufKmOgI4ysYoV5YiJH33VqTXyHM5FbXk22T39yvSpYVPbMXU7cifakuSYZe5aQrh6E X-Gm-Message-State: AOJu0Yw4PnJ39YDyZv5WS6+okEwBwNZiZYsQ/uhvNGyB8RLKxf3DypVb dijKsoyyyxAWq5tBQ1w55qmE4xAocUsmvbRY3OPQJZbqJba6bDxwkZe3wIFtvqmUlGaatSrUka0 6JerQ245FMsmcP/HN4A3NHTKqYzbYrRe6w1Xl7LaqfecJPMpYrn+9Lec= X-Google-Smtp-Source: AGHT+IGqcP1s4Nr5m2Ta+vao0KWZN47zSEbkXNg+GcASwcyUe7/SAKll12zBDhX7D7S/cuS2irtm1CYMJ7CKc88yt+VouDhv9deg Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:411b:b0:4c0:9a3e:c263 with SMTP id 8926c6da1cb9f-4ca6eba4580mr422795173.0.1723460060188; Mon, 12 Aug 2024 03:54:20 -0700 (PDT) Date: Mon, 12 Aug 2024 03:54:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac2392061f7a501b@google.com> Subject: [syzbot] [mm?] kernel panic: System is deadlocked on memory (2) From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 7c626ce4bae1 Linux 6.11-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1494eced980000 kernel config: https://syzkaller.appspot.com/x/.config?x=aeb08bd34fa0ed18 dashboard link: https://syzkaller.appspot.com/bug?extid=c61d6962d0b7e698439e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-7c626ce4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c9ff45c7e113/vmlinux-7c626ce4.xz kernel image: https://storage.googleapis.com/syzbot-assets/f51045fd7afd/bzImage-7c626ce4.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c61d6962d0b7e698439e@syzkaller.appspotmail.com kmalloc-96 2344KB 2376KB kmem_cache_node 225KB 228KB kmem_cache 203KB 203KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 2 Comm: kthreadd Not tainted 6.11.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:119 panic+0x6f5/0x7a0 kernel/panic.c:348 out_of_memory+0x15de/0x16b0 mm/oom_kill.c:1170 __alloc_pages_may_oom mm/page_alloc.c:3614 [inline] __alloc_pages_slowpath mm/page_alloc.c:4376 [inline] __alloc_pages_noprof+0x1d89/0x2460 mm/page_alloc.c:4713 alloc_pages_mpol_noprof+0x275/0x610 mm/mempolicy.c:2263 get_free_pages_noprof+0xc/0x40 mm/page_alloc.c:4747 kasan_populate_vmalloc_pte+0x2d/0x160 mm/kasan/shadow.c:304 apply_to_pte_range mm/memory.c:2797 [inline] apply_to_pmd_range mm/memory.c:2841 [inline] apply_to_pud_range mm/memory.c:2877 [inline] apply_to_p4d_range mm/memory.c:2913 [inline] __apply_to_page_range+0x795/0xdd0 mm/memory.c:2947 alloc_vmap_area+0x93e/0x2a70 mm/vmalloc.c:2035 __get_vm_area_node+0x17e/0x2d0 mm/vmalloc.c:3119 __vmalloc_node_range_noprof+0x276/0x1520 mm/vmalloc.c:3801 alloc_thread_stack_node kernel/fork.c:313 [inline] dup_task_struct kernel/fork.c:1113 [inline] copy_process+0x29f5/0x6f50 kernel/fork.c:2204 kernel_clone+0xfd/0x980 kernel/fork.c:2781 kernel_thread+0xc0/0x100 kernel/fork.c:2843 create_kthread kernel/kthread.c:412 [inline] kthreadd+0x4ef/0x7d0 kernel/kthread.c:765 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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 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