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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 169C7C4332F for ; Fri, 23 Dec 2022 09:18:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 14307900003; Fri, 23 Dec 2022 04:18:38 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F2FA900002; Fri, 23 Dec 2022 04:18:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EFCA1900003; Fri, 23 Dec 2022 04:18:37 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id DD7E2900002 for ; Fri, 23 Dec 2022 04:18:37 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id B0106C0FB1 for ; Fri, 23 Dec 2022 09:18:37 +0000 (UTC) X-FDA: 80273020674.07.A403D10 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by imf05.hostedemail.com (Postfix) with ESMTP id 3ED3910000C for ; Fri, 23 Dec 2022 09:18:36 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=none; spf=pass (imf05.hostedemail.com: domain of 3a3KlYwkbAAo289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3a3KlYwkbAAo289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1671787116; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=nY1Mvmq+MwB2kPt3Vxrhf30Nf2z4fkRSqQIF62smsX4=; b=ZdoEnsOSDxyvWYLNwrLERb3pyYD9h6llSx4YPRT3eGd9KPjDDd4tYtybN+KtoTTcf82Ad+ ZBDsqS88JJGKn29YaqhzgTsJIdUnyT7jGlwcLoihirSYDo2luUIYJuSeqNY2UiS11+QMbK HFzuDwjWwk6e+vntCiUQOvpnraQlC2k= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=none; spf=pass (imf05.hostedemail.com: domain of 3a3KlYwkbAAo289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3a3KlYwkbAAo289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1671787116; a=rsa-sha256; cv=none; b=1IDtUePYlx7ZdtE7v+2mYXthXqJuXi5BFr/JrVyOafz7P6FAq4jN4UAqUejiwlZwOsBim/ UEJk6GHQaCnEYYoNDpE9jq2oL5VqQ4YL6dO5DwchH81F/76roHjDiju+X66MFWtD1PGGtc rWfPtHMBo74/ek2o3qzDXMdoF2rTq5g= Received: by mail-io1-f70.google.com with SMTP id a14-20020a6b660e000000b006bd37975cdfso1708525ioc.10 for ; Fri, 23 Dec 2022 01:18:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=nY1Mvmq+MwB2kPt3Vxrhf30Nf2z4fkRSqQIF62smsX4=; b=Y4japlYxBn72hYOS+hD9DglyaBv1LyLaBS4/VvDYxAt7X6HUmMG5WAch5b8gWZSaKP TEQ87rfanGlMHD4ruEh1eEmWd00reyqgBogOQTIf1RvYv3jIY6f0bHvDIXSK8mW9dKr1 /Qky8ykjw7y1j+tpuzJneU79m/6KKHOc06k//d5CeY+wNcxLjZnyRQHiutDtSLX0pbYN nT5AUIcdRiObb3LXmuYDgx+R7ZqMmS1KjVyXgo7pnu1w3WYgE+HssOOdc72vLnyHI3Fl kfqOGD5Rj36aVJCjB9TaJR4/jeg60jXN5yp4I2UCjQsgase3rXIaJvmy1BsDxG8nH8oK Qu+g== X-Gm-Message-State: AFqh2kqnVQYTirQqMrvjalz2z3lb3bpevZ4cHd+332Dr1kl++68ayDvh DyDmF7dgKdAEw039fDR8txdtPaWx7nm5u4bik67k5y1E55IV X-Google-Smtp-Source: AMrXdXuiJXqGtd8H99HyvnnFh8y2zLcno20eftzqM3gKqTAHxf2aEvHoK+xMQjfQWuOjhb1ETClkEda2R+TS4EtxxWv/S+9SUHMa MIME-Version: 1.0 X-Received: by 2002:a02:85a5:0:b0:38a:518e:d230 with SMTP id d34-20020a0285a5000000b0038a518ed230mr757730jai.255.1671787115493; Fri, 23 Dec 2022 01:18:35 -0800 (PST) Date: Fri, 23 Dec 2022 01:18:35 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000028be8705f07b458d@google.com> Subject: [syzbot] kernel BUG in collapse_file (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" X-Stat-Signature: 18kno84kbk1p6p1tts78sbmefdhya6c6 X-Rspam-User: X-Rspamd-Queue-Id: 3ED3910000C X-Rspamd-Server: rspam06 X-HE-Tag: 1671787116-103530 X-HE-Meta: U2FsdGVkX19ASQZOe8fME7Hnc9UN60vOPLlgxaWBvAnmpZoOVeUB9+p/NDD4882Jft2S/3nMnq73PCbDX6DN9IEBNBXNUz1Sgr747iuPBtrTFVPldlCufGhzq3MEI8aUuas3clJu9Pvxre+UQyXtKAJWZWRjVdr/bIMcHjJMg253/gxKaSBK9pcTC/jkkSH/89J/KPJc/JI2C6cm1n2fQlKWQf4iZWTc+cj+V6/AfpUpSSVBP1kp/Irf7rNhvOz//tfeR2T6tA9U9+u7xpC8oyEgBFuo/qYxTDPpw5/mSr6iFoxQSDnKR0y+hv2FnF+tbvv2GQVhJjJSO464IyztIONhosjm2Vtkjm7QIMO8VSo4XqussRu69/cl9T7Fg+FPhnEoMKR5nAZ/iXxQw54nfPW51tMajqdhtlGG7q+hUvr8+CmtLLyLOsNs57Hh2FRIJBGTaYuPJyBwNZ5WDjJXScMJZ8VqmL8dZS7FDfhqAO3EgWufmVzT4s8RovDUGtnLWtNG0dAmxhQj+DmHmsVZ1UjZNoGFwE7uhBgovB8Mi811Iu4I7y6EH+hQWqy8VRqWWIBY7xTNT59H9b9S2gV3t4NJTBeUidnKVzH/CfCFeiru0N5tiMtIdRDL8HlJdSN6j+SXicV+yBSeqo1orReAupQPaFmnWsFmcrRFy3FG4ja0NOa5nac5UeeQrIeu2kSqxgA4RK+Y9ee/q5FnCIe6t6IX9Xl8UUbDuzNqI517A8zGiatBjboJ1W4gdIu1F9KDkTOE4naaRoBjLCLLSXAtK8rmYJRfdbjK2+5gNk8UK3XbD8cDtbnTGoBLZQTsi2FgD4R4y2cluqgLXR5aI7tyZ/roMZsdofAbed2JP+uGKY0ez336QmHAXmVlpcXd/7ypI/xZP1uTHvr+7hp4BKF3wwnjhN5CeNyhHpANVs/N1637UTKOqO6yuYgiqWihO5tA0sQ8yG80WZ5DIg7ubeU kLt4ipj1 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, syzbot found the following issue on: HEAD commit: f9ff5644bcc0 Merge tag 'hsi-for-6.2' of git://git.kernel.o.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=16aac7c7880000 kernel config: https://syzkaller.appspot.com/x/.config?x=827916bd156c2ec6 dashboard link: https://syzkaller.appspot.com/bug?extid=671b136929ae932761d5 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15def1bf880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11f301f7880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/65961cc3b839/disk-f9ff5644.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b5f01bcb2a34/vmlinux-f9ff5644.xz kernel image: https://storage.googleapis.com/syzbot-assets/9becc0a3f960/bzImage-f9ff5644.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+671b136929ae932761d5@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:1794! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5111 Comm: syz-executor300 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:collapse_file+0x3707/0x57d0 mm/khugepaged.c:1794 Code: ff 48 c7 c2 a0 0f 3a 8a be ce 00 00 00 48 c7 c7 00 10 3a 8a c6 05 f2 5f 68 0c 01 e8 1d 2e de 07 e9 8a e1 ff ff e8 09 6b ac ff <0f> 0b e8 02 6b ac ff 48 8b 7c 24 30 4c 89 fe e8 75 3b db 07 48 89 RSP: 0018:ffffc90003def810 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 00000000000002c0 RCX: 0000000000000000 RDX: ffff8880289c9d40 RSI: ffffffff81d4e5f7 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000006 R09: 00000000000002c0 R10: 00000000000002c1 R11: 0000000000000000 R12: 00000000000002c1 R13: 0000000000000043 R14: ffff88807e9d7ac0 R15: dffffc0000000000 FS: 00007f31c4a33700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31c4b0e5a4 CR3: 000000001d68d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hpage_collapse_scan_file+0xdba/0x18e0 mm/khugepaged.c:2204 madvise_collapse+0x523/0xb60 mm/khugepaged.c:2663 madvise_vma_behavior+0x63d/0x2020 mm/madvise.c:1091 madvise_walk_vmas+0x1c7/0x2b0 mm/madvise.c:1265 do_madvise.part.0+0x24a/0x340 mm/madvise.c:1444 do_madvise mm/madvise.c:1457 [inline] __do_sys_madvise mm/madvise.c:1457 [inline] __se_sys_madvise mm/madvise.c:1455 [inline] __x64_sys_madvise+0x117/0x150 mm/madvise.c:1455 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: 0033:0x7f31c4aaaee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f31c4a332f8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f31c4b2c498 RCX: 00007f31c4aaaee9 RDX: 0000000000000019 RSI: 000000000060005f RDI: 0000000020000000 RBP: 00007f31c4b2c490 R08: 0000000000000001 R09: 0000000000000034 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31c4a33300 R13: 0000000000000001 R14: 00007f31c4a33400 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:collapse_file+0x3707/0x57d0 mm/khugepaged.c:1794 Code: ff 48 c7 c2 a0 0f 3a 8a be ce 00 00 00 48 c7 c7 00 10 3a 8a c6 05 f2 5f 68 0c 01 e8 1d 2e de 07 e9 8a e1 ff ff e8 09 6b ac ff <0f> 0b e8 02 6b ac ff 48 8b 7c 24 30 4c 89 fe e8 75 3b db 07 48 89 RSP: 0018:ffffc90003def810 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 00000000000002c0 RCX: 0000000000000000 RDX: ffff8880289c9d40 RSI: ffffffff81d4e5f7 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000006 R09: 00000000000002c0 R10: 00000000000002c1 R11: 0000000000000000 R12: 00000000000002c1 R13: 0000000000000043 R14: ffff88807e9d7ac0 R15: dffffc0000000000 FS: 00007f31c4a33700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31c4b0e5a4 CR3: 000000001d68d000 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches