From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6360C433E0 for ; Mon, 22 Jun 2020 05:37:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8ABFF248CA for ; Mon, 22 Jun 2020 05:37:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731183AbgFVFhM (ORCPT ); Mon, 22 Jun 2020 01:37:12 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:54950 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731092AbgFVFhM (ORCPT ); Mon, 22 Jun 2020 01:37:12 -0400 Received: by mail-io1-f70.google.com with SMTP id t23so11763166iog.21 for ; Sun, 21 Jun 2020 22:37:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=cpaY6T13Mb4bMtkiV6CeoIG4AgtudaG0i+Oecz1sBW8=; b=mnu6nEjDG539BLGAoGDEktHGqEYNJht9GWQBJRHcALcwk0GPG4ZECfbP1+x+frauDM EVwFGLMccOPeyx5QtcyY2RRyVVexvOMmTP6mwj91Ry0QWdDuATxQar65JRvbez0CClvV a1RZ+a8jc6VUeAaknARMc8s/2M9Sv8AuqCRYQl5ddgjCdggo64iqNrdBWq0OvBb4X+2F SFTXiThU29eyDngwfN32M5gabpmcrvf9SZuHWgWYUR59hv/sQZBJYSoNpvb6hBHnxTbK 4K6gllojD0su/H4x1scLR/l8z6I/gkNRiloI9q4bduNT/TqLyx+lnbUmwAQbEvqLuCaE hCaQ== X-Gm-Message-State: AOAM533dZjA+6x+RJaiV2zLXAtyIAbLfJScT3dLSVuO6nH2o15hAOQq7 71+2IlyxeALqPqkP6KLzxAQ12+M0IMIyQxz0zxf9d9y1kCc3 X-Google-Smtp-Source: ABdhPJyZLXokxLSD62AaShOk6YnHbK4l4xUIwUqGVGw24FGSnh45gqfFH91qp3WY4cc67bOKz9smqYwH45hdWHtQ1SELa8GcJ3We MIME-Version: 1.0 X-Received: by 2002:a6b:b984:: with SMTP id j126mr17321213iof.114.1592804230920; Sun, 21 Jun 2020 22:37:10 -0700 (PDT) Date: Sun, 21 Jun 2020 22:37:10 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000617f9d05a8a5a2c4@google.com> Subject: linux-next boot error: WARNING in kmem_cache_free From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 5a94f5bc Add linux-next specific files for 20200621 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12a02c76100000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1788c418b2ddc66 dashboard link: https://syzkaller.appspot.com/bug?extid=95bccd805a4aa06a4b0d compiler: gcc (GCC) 9.0.0 20181231 (experimental) IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+95bccd805a4aa06a4b0d@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at mm/slab.h:232 kmem_cache_free+0x0/0x200 mm/slab.c:2262 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc1-next-20200621-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x2f/0x3a kernel/panic.c:600 report_bug+0x271/0x2f0 lib/bug.c:198 exc_invalid_op+0x1b9/0x370 arch/x86/kernel/traps.c:235 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:kmem_cache_debug_flags mm/slab.h:232 [inline] RIP: 0010:cache_from_obj mm/slab.h:459 [inline] RIP: 0010:kmem_cache_free+0x0/0x200 mm/slab.c:3678 Code: ff 49 c7 84 24 90 00 00 00 00 00 00 00 83 c3 01 39 1d 2c ec fb 08 77 af 5b 5d 41 5c 41 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 <0f> 0b 48 85 ff 0f 84 a9 01 00 00 48 83 3d 15 6b 02 08 00 0f 84 9c RSP: 0000:ffffffff89a07a58 EFLAGS: 00010293 RAX: ffffffff89a86580 RBX: ffff8880aa01f0e8 RCX: ffffffff81a84573 RDX: 0000000000000000 RSI: ffff8880aa01f480 RDI: ffff8880aa00fe00 RBP: ffff8880aa01f4a8 R08: ffffffff89a86580 R09: fffffbfff1340f3f R10: 0000000000000003 R11: fffffbfff1340f3e R12: ffff8880aa01f4b0 R13: ffff8880aa01f688 R14: ffff8880aa01f480 R15: ffffc90000000000 adjust_va_to_fit_type mm/vmalloc.c:980 [inline] __alloc_vmap_area mm/vmalloc.c:1096 [inline] alloc_vmap_area+0x1494/0x1df0 mm/vmalloc.c:1196 __get_vm_area_node+0x178/0x3b0 mm/vmalloc.c:2060 __vmalloc_node_range+0x12c/0x910 mm/vmalloc.c:2484 __vmalloc_node mm/vmalloc.c:2532 [inline] __vmalloc_area_node mm/vmalloc.c:2404 [inline] __vmalloc_node_range+0x76c/0x910 mm/vmalloc.c:2489 __vmalloc_node mm/vmalloc.c:2532 [inline] __vmalloc+0x69/0x80 mm/vmalloc.c:2546 alloc_large_system_hash+0x1c9/0x2e2 mm/page_alloc.c:8181 inode_init+0xab/0xbc fs/inode.c:2099 vfs_caches_init+0x104/0x11e fs/dcache.c:3231 start_kernel+0x978/0x9fb init/main.c:1025 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.