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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE884EB64D9 for ; Mon, 19 Jun 2023 15:13:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231445AbjFSPNP (ORCPT ); Mon, 19 Jun 2023 11:13:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230184AbjFSPNK (ORCPT ); Mon, 19 Jun 2023 11:13:10 -0400 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0878ECF for ; Mon, 19 Jun 2023 08:13:06 -0700 (PDT) Received: by mail-io1-f79.google.com with SMTP id ca18e2360f4ac-77e41268d40so61928739f.3 for ; Mon, 19 Jun 2023 08:13:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687187585; x=1689779585; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=3jyFVmqBaL9tzP6gZC0ApVM37V8GWLqlm9xlh6ygkQU=; b=ft/Idg4RlJxeekd7wri6Odbljhyw7NdlneCB+3f+YibvANnAWJJEINkUtHpXSIgpSE UVR4SAD4lR7Cn6smOYldSC7PS1dB2kxV0p3u3HG5JYXdppVczFEW5tQmzI1Eq0rwhtOQ LZWDqAFfgEUqpMXZyb+W5jLa1qnn9ERyGfdilvnht55AjHZBueG6J7Zam2674QcYLq6w rEaairNgtRln//C7DqHzoMBh1dxcM5GmHsZMVgzo1oxflOI5VT9dTvwXNYOYymS4xtQv dbIX4RfP1Kfnp1p2huXxh3mfnfchVWZxs+FDJrDCAlgOVngLSte2uRNXyRDmTtV+8/4b kCUg== X-Gm-Message-State: AC+VfDyQJxjWL+h4S9Q+gHY4tUACe1cB5PzpcvyT5w3G2Db+DZgYbCEZ teskLlnbVMqs+hglhV4vLLUz5tE+Ar2YMC5AW9E8UdaLYn+d X-Google-Smtp-Source: ACHHUZ7yw5ANpziOmZmSbPy7KA/egmV63Cgms/IuPaFbmIKctqoz2Q6kGgS/ufVLDNgwmxvn3SExn6TPMs6M42QsoRWI8dR08laZ MIME-Version: 1.0 X-Received: by 2002:a02:b041:0:b0:426:792a:ec72 with SMTP id q1-20020a02b041000000b00426792aec72mr569307jah.0.1687187585322; Mon, 19 Jun 2023 08:13:05 -0700 (PDT) Date: Mon, 19 Jun 2023 08:13:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b1536a05fe7cf8d7@google.com> Subject: [syzbot] [mm?] linux-next boot error: kernel BUG in do_vmi_align_munmap From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 47045630bc40 Add linux-next specific files for 20230619 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1234edd3280000 kernel config: https://syzkaller.appspot.com/x/.config?x=b4d4487f51524098 dashboard link: https://syzkaller.appspot.com/bug?extid=733c8795eb2aa33f16ea compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/25b62e9481a2/disk-47045630.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f91ca35f7434/vmlinux-47045630.xz kernel image: https://storage.googleapis.com/syzbot-assets/91d5ca09f47f/bzImage-47045630.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+733c8795eb2aa33f16ea@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2439! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4836 Comm: dhcpcd Not tainted 6.4.0-rc7-next-20230619-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:do_vmi_align_munmap+0xb11/0x15f0 mm/mmap.c:2439 Code: 48 89 c3 e8 91 04 be ff 4c 89 ee 4c 89 e7 e8 f6 ca 44 08 48 85 c0 49 89 c6 74 11 e8 79 04 be ff 4c 39 f3 74 c6 e8 6f 04 be ff <0f> 0b 44 8b 7c 24 34 4c 63 74 24 60 4c 8b 64 24 70 e8 59 04 be ff RSP: 0018:ffffc9000383fb98 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802a2e7900 RCX: 0000000000000000 RDX: ffff888076a68000 RSI: ffffffff81c65fd1 RDI: ffffc9000383fe80 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffc9000383fe70 R13: 00007f7c240c1fff R14: ffff88802a2e7500 R15: ffffc9000383fca0 FS: 00007f7c240c2740(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c24293b90 CR3: 000000002bd4c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_vmi_munmap+0x26e/0x2c0 mm/mmap.c:2543 __vm_munmap+0x137/0x3b0 mm/mmap.c:2825 __do_sys_munmap mm/mmap.c:2850 [inline] __se_sys_munmap mm/mmap.c:2847 [inline] __x64_sys_munmap+0x62/0x80 mm/mmap.c:2847 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7c24293b97 Code: b8 09 00 00 00 0f 05 48 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f 1f 80 00 00 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d b9 46 01 00 f7 d8 89 01 48 83 RSP: 002b:00007ffc3b8cb328 EFLAGS: 00000206 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 000055a934fd0e30 RCX: 00007f7c24293b97 RDX: 00007ffc3b8cb270 RSI: 0000000000004030 RDI: 00007f7c240bd000 RBP: 00007ffc3b8cb420 R08: 00007ffc3b8cb270 R09: 00007ffc3b8cb350 R10: 00007ffc3b8cb2b0 R11: 0000000000000206 R12: 00007f7c242a7000 R13: 0000000000000000 R14: 000055a934fd0e30 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_vmi_align_munmap+0xb11/0x15f0 mm/mmap.c:2439 Code: 48 89 c3 e8 91 04 be ff 4c 89 ee 4c 89 e7 e8 f6 ca 44 08 48 85 c0 49 89 c6 74 11 e8 79 04 be ff 4c 39 f3 74 c6 e8 6f 04 be ff <0f> 0b 44 8b 7c 24 34 4c 63 74 24 60 4c 8b 64 24 70 e8 59 04 be ff RSP: 0018:ffffc9000383fb98 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802a2e7900 RCX: 0000000000000000 RDX: ffff888076a68000 RSI: ffffffff81c65fd1 RDI: ffffc9000383fe80 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffc9000383fe70 R13: 00007f7c240c1fff R14: ffff88802a2e7500 R15: ffffc9000383fca0 FS: 00007f7c240c2740(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c24293b90 CR3: 000000002bd4c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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 bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup