Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751777Ab3FDSvD (ORCPT ); Tue, 4 Jun 2013 14:51:03 -0400 Received: from mail-ve0-f177.google.com ([209.85.128.177]:50153 "EHLO mail-ve0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751252Ab3FDSvA (ORCPT ); Tue, 4 Jun 2013 14:51:00 -0400 MIME-Version: 1.0 Date: Tue, 4 Jun 2013 21:50:59 +0300 Message-ID: Subject: vhost && kernel BUG at /build/linux/mm/slub.c:3352! From: Tommi Rantala To: "Michael S. Tsirkin" , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Cc: trinity@vger.kernel.org, netdev@vger.kernel.org, LKML , Dave Jones Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3443 Lines: 76 Hello, Hit this right after killing trinity with Ctrl-C. Was fuzzing v3.10-rc4-0-gd683b96 in a qemu virtual machine as the root user. Tommi [29175] Random reseed: 3970521611 [29175] Random reseed: 202886419 [29175] Random reseed: 2930978521 [179904.099501] binder: 29175:2539 ioctl 4010630e fff returned -22 [29175] Random reseed: 2776471322 [29175] Random reseed: 3086119361 child 2606 exiting [29175] Bailing main loop. Exit reason: ctrl-c [179906.393060] ------------[ cut here ]------------ [179906.396341] kernel BUG at /build/linux/mm/slub.c:3352! [179906.399693] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [179906.403272] CPU: 0 PID: 29175 Comm: trinity-main Not tainted 3.10.0-rc4 #1 [179906.407692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [179906.411475] task: ffff8800b69e47c0 ti: ffff880092f2e000 task.ti: ffff880092f2e000 [179906.416305] RIP: 0010:[] [] kfree+0x155/0x2c0 [179906.421462] RSP: 0000:ffff880092f2fdb0 EFLAGS: 00010246 [179906.424983] RAX: 0100000000000000 RBX: ffff88009e588000 RCX: 0000000000000000 [179906.429746] RDX: ffff8800b69e47c0 RSI: 00000000000a0004 RDI: ffff88009e588000 [179906.434499] RBP: ffff880092f2fdd8 R08: 0000000000000001 R09: 0000000000000000 [179906.439226] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [179906.443835] R13: ffffea0002796200 R14: ffff8800b9a960f8 R15: ffff8800ba06f6a0 [179906.448470] FS: 00007f04cd25c700(0000) GS:ffff8800bf600000(0000) knlGS:0000000000000000 [179906.453857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [179906.456956] CR2: 00007f98e29d8f50 CR3: 000000009294a000 CR4: 00000000000006f0 [179906.460558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [179906.464059] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [179906.467617] Stack: [179906.468704] ffff88001a7c0000 0000000000000000 0000000000000000 ffff8800b9a960f8 [179906.472638] ffff8800ba06f6a0 ffff880092f2fdf0 ffffffff81c1c6df ffff88001a7c0000 [179906.476583] ffff880092f2fe18 ffffffff81c1c771 ffff8800b69718c0 0000000000000008 [179906.480377] Call Trace: [179906.481636] [] vhost_net_vq_reset+0x7f/0xb0 [179906.484611] [] vhost_net_release+0x61/0xb0 [179906.487481] [] __fput+0x12a/0x230 [179906.489968] [] ____fput+0x9/0x10 [179906.492422] [] task_work_run+0xae/0xf0 [179906.495169] [] do_exit+0x44c/0xb40 [179906.497789] [] ? retint_swapgs+0x13/0x1b [179906.500652] [] do_group_exit+0x84/0xd0 [179906.503348] [] SyS_exit_group+0x12/0x20 [179906.506146] [] system_call_fastpath+0x16/0x1b [179906.509147] Code: 49 c1 ed 0c 49 c1 e5 06 49 01 c5 49 8b 45 00 f6 c4 80 74 0a 4d 8b 6d 30 66 0f 1f 44 00 00 49 8b 45 00 a8 80 75 28 f6 c4 c0 75 02 <0f> 0b 49 8b 45 00 31 f6 f6 c4 40 74 04 41 8b 75 68 4c 89 ef e8 [179906.522213] RIP [] kfree+0x155/0x2c0 [179906.524937] RSP [179906.575627] ---[ end trace 3d4ce10faaa29990 ]--- [179906.577103] Fixing recursive fault but reboot is needed! [29174] Watchdog exiting -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/