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 D3830EB64DD for ; Wed, 5 Jul 2023 22:38:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231929AbjGEWiN (ORCPT ); Wed, 5 Jul 2023 18:38:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231911AbjGEWiL (ORCPT ); Wed, 5 Jul 2023 18:38:11 -0400 Received: from mail-pf1-f205.google.com (mail-pf1-f205.google.com [209.85.210.205]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 593AE1981 for ; Wed, 5 Jul 2023 15:38:10 -0700 (PDT) Received: by mail-pf1-f205.google.com with SMTP id d2e1a72fcca58-67106f598b1so186572b3a.2 for ; Wed, 05 Jul 2023 15:38:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688596690; x=1691188690; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=iV7HXzyDj8KY1IlnlcwbeahF8x3U8A/H8CTkW5EZaH4=; b=DZIIVz/kdE3k0wtyS0SzJwvodKyMwj2T1DxaQomX4bxXAKqqwyBZ0rZ+fqSf45lz6l Tw5VwwAAyUM3DMdjB+YOncCw8EzXVhvzwrGT5E7NsKQ7EWaSFefj8dlS+0OxnyKenvu1 mFiZZdHszCLhWi4GulBypevIRdTrdQQdYjxpRnCRzNCWhssZbi3qcwu5O6MHCRVA1+af WoAdYiTHeyqOIGQwBu/e6f5eGDkRdgRCiC5diESR3c6HN/fFGcJGLIgGulA6mE7e+1Yz akMMM/lpPl4ctrcgZ9a2W+pLRiCGoOxKVvjpKfy1YXnCWmHpbH0S7WSfBzJqLSBK12I0 qLnA== X-Gm-Message-State: ABy/qLbcRzU5mMRuXmTdIqPZRU+idHUf0WhjD9r8pqReTMyfE6+leq60 kB+avmqq92UTDoN9W/1gtlqHuPp9avt8M4MD8gI0rP7tOUSm X-Google-Smtp-Source: APBJJlHr2MmqrWr1/DZ4AmOQ7hUzV46oftixys977CeNKEuWLvlphQo25Y++gxEDmfULx3Y72N1WqpFwjrzuBGm0jntRz/jeWJvV MIME-Version: 1.0 X-Received: by 2002:a05:6a00:2d09:b0:673:e4b4:fa35 with SMTP id fa9-20020a056a002d0900b00673e4b4fa35mr319240pfb.2.1688596689729; Wed, 05 Jul 2023 15:38:09 -0700 (PDT) Date: Wed, 05 Jul 2023 15:38:09 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dc3ea105ffc50d00@google.com> Subject: [syzbot] [mm?] WARNING in validate_mm 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: a901a3568fd2 Merge tag 'iomap-6.5-merge-1' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14aeea08a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=d787595a482d6a43 dashboard link: https://syzkaller.appspot.com/bug?extid=a85a0b4b0f39dca529a5 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9f5f0447f626/disk-a901a356.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/500177760bfb/vmlinux-a901a356.xz kernel image: https://storage.googleapis.com/syzbot-assets/82352cc74fb3/bzImage-a901a356.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a85a0b4b0f39dca529a5@syzkaller.appspotmail.com owner ffff88807cee5940 exe_file ffff888028ce6f00 notifier_subscriptions 0000000000000000 numa_next_scan 4295297648 numa_scan_offset 0 numa_scan_seq 0 tlb_flush_pending 1 def_flags: 0x0() ------------[ cut here ]------------ WARNING: CPU: 0 PID: 18358 at mm/mmap.c:314 validate_mm+0x42a/0x500 mm/mmap.c:314 Modules linked in: CPU: 0 PID: 18358 Comm: syz-executor.2 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:validate_mm+0x42a/0x500 mm/mmap.c:314 Code: 28 e8 5a 98 fa ff c6 05 96 e3 b0 0c 01 0f 0b e9 09 fe ff ff e8 77 e1 b9 ff 48 8b 7c 24 28 e8 3d 98 fa ff c6 05 7a e3 b0 0c 01 <0f> 0b e9 46 ff ff ff e8 5a e1 b9 ff 44 8b 74 24 1c eb 08 e8 4e e1 RSP: 0018:ffffc90006a279a0 EFLAGS: 00010282 RAX: 0000000000000330 RBX: 0000000000000000 RCX: 3ddfd82186994a00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90006a27ad0 R08: ffffffff816f481c R09: 1ffff92000d44e5c R10: dffffc0000000000 R11: fffff52000d44e5d R12: dffffc0000000000 R13: ffffc90006a27a20 R14: ffff888024681500 R15: 00007f2d1ec14000 FS: 00007f2d1ec97700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f690424b000 CR3: 000000001ebc5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_vmi_align_munmap+0x13b1/0x15c0 mm/mmap.c:2561 do_vmi_munmap+0x24d/0x2d0 mm/mmap.c:2619 __vm_munmap+0x230/0x450 mm/mmap.c:2899 __do_sys_munmap mm/mmap.c:2916 [inline] __se_sys_munmap mm/mmap.c:2913 [inline] __x64_sys_munmap+0x69/0x80 mm/mmap.c:2913 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2d1de8c467 Code: 00 00 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb 85 66 2e 0f 1f 84 00 00 00 00 00 90 b8 0b 00 00 00 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:00007f2d1ec96f38 EFLAGS: 00000246 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d1de8c467 RDX: 0000000000010000 RSI: 0000000000010000 RDI: 00007f2d145ff000 RBP: 00007f2d145ff000 R08: 0000000000000000 R09: 000000000000028b R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2d1ec96fdc R14: 00007f2d1ec96fe0 R15: 0000000020000382 --- 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