From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CEE331422B4 for ; Mon, 6 May 2024 09:18:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714987108; cv=none; b=GUbvqsRiqr4e2m1DofPWqUjSZ3CORxzhrrycyG5Q1DPMEhdPoYf5Vtfx8Ymgl6WviimaoXYERItOGflXLdiB2Fs4AhdLKA23XNDV9u6xVeQZxMob/ZE6kGZZBgujJoan6gXZisNAc0UFW5XnP5CxAerqApEDQZZahypCZe/Lde8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714987108; c=relaxed/simple; bh=bt9iG5iGEVMzCb9ZV9u/fTEswRCBi1AwDxwb5u/ZEdg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=GpNZDJ+f2WG3DXHr0Y75OpertvSsUeVbvCXDjGr2BDvKg3r9koNr/QxSdGSQc0e6orWmVAnsi+cgTj/nGNdjv2/94d1fC88mLvRRFaKuG2Y8uZ2TfMFawXiRXzbDNMUqi5n2tZmi8OpAtYK0GgKlPp68rby5+TM/JMf61sdCp/Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.207 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f207.google.com with SMTP id e9e14a558f8ab-36c5ed3322aso17943605ab.1 for ; Mon, 06 May 2024 02:18:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714987106; x=1715591906; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=uvvsM8qCsWVlgVqdoqbQI/jpRNJ31DPMt8zgavOO3TU=; b=OamY89xludIPUP7FQ0MQQHc2EIdjdkQ3PcGQLCVMvTOQmLviL9/LdIo3+m6CSvLiy5 esoVl8YeiuZ9KnrmDho9F+yapzTBGB/SEHh7kFQSQaMmKMR2BvKbLhb6Vg6SOpSz0rx+ zmvrlIgXkm9k7fXqolipoOLSDzM12cq3IzplY7wHWkYuqcRDz6J5uzxCaAKxiLd744kc FObcNG5PS5Gvo4P9m6ngBWpHhhf84gApolGH69E3/WXA0C02XJq8Jn4p7eNtfM3HsueP dMaEbLjMimzsThqqsvAyKRv4fbe97loadik1/KvLWWRBqj3wgYwDHrU/qsQ9dXgbSUsN HfmA== X-Forwarded-Encrypted: i=1; AJvYcCUkmsG9te0uStxWe6VWBaalFjAdIn/XWyTeIod3KE/8S96Jfk2owJxZP25RVC5iPn3HcjQWhS5Nce6/XAApaQFHoeLY+JmtRGnyJ1B5 X-Gm-Message-State: AOJu0Yy4AhmbQaoQuowHtllQYImnGOe0glDzM/8TByEIn2dKxT5EfWbo KzI5yXmUurAbR2M6w+UY1PXsoezn2gTS8E/gU9RVsgh56Et97nYuNBAlM4YypXciiAAnbPWEuyx CIcD/bQyGYT+4CBW4HbVrTdiZNHfBTVD2HvY+EvBHnV2ZzzCzV9V/j7k= X-Google-Smtp-Source: AGHT+IE0TkiS4w/KJWa6SeXCVNKI6QPz9TkKn+ltO/oCMNBbqPg20zDDbtrb3z+mgJwLmiechhKkg3GV7CKWhwoSzPPL+gM3Hq/J Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c24d:0:b0:36c:4657:bd62 with SMTP id k13-20020a92c24d000000b0036c4657bd62mr646998ilo.3.1714987106075; Mon, 06 May 2024 02:18:26 -0700 (PDT) Date: Mon, 06 May 2024 02:18:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004096100617c58d54@google.com> Subject: [syzbot] [mm?] kernel BUG in __vma_reservation_common From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 8953285d7bd6 rxrpc: Clients must accept conn from any addr.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=1347a228980000 kernel config: https://syzkaller.appspot.com/x/.config?x=98d5a8e00ed1044a dashboard link: https://syzkaller.appspot.com/bug?extid=d3fe2dc5ffe9380b714b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5b9c540d7f6b/disk-8953285d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/831b091085cc/vmlinux-8953285d.xz kernel image: https://storage.googleapis.com/syzbot-assets/97a6dd56102c/bzImage-8953285d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d3fe2dc5ffe9380b714b@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:813! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 9895 Comm: syz-executor.3 Not tainted 6.9.0-rc5-syzkaller-00192-g8953285d7bd6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:region_abort mm/hugetlb.c:813 [inline] RIP: 0010:__vma_reservation_common+0x795/0x7d0 mm/hugetlb.c:2856 Code: f1 f2 89 09 e8 0c e6 9f ff 90 0f 0b e8 04 e6 9f ff 90 0f 0b e8 fc e5 9f ff 90 0f 0b e8 f4 e5 9f ff 90 0f 0b e8 ec e5 9f ff 90 <0f> 0b e8 e4 e5 9f ff 90 0f 0b e8 dc e5 9f ff 90 0f 0b e8 d4 e5 9f RSP: 0018:ffffc90009c17240 EFLAGS: 00010293 RAX: ffffffff81f61a14 RBX: 0000000000000000 RCX: ffff88806eaf1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90009c17310 R08: ffffffff81f61526 R09: fffff52001382e38 R10: dffffc0000000000 R11: fffff52001382e38 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888064f61408 R15: ffff888064f61400 FS: 00007fba641616c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558b067788 CR3: 00000000762e8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_add_reservation mm/hugetlb.c:2919 [inline] __unmap_hugepage_range+0x1257/0x2340 mm/hugetlb.c:5791 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1883 unmap_region+0x1ec/0x350 mm/mmap.c:2310 do_vmi_align_munmap+0x11bf/0x1930 mm/mmap.c:2628 do_vmi_munmap+0x24e/0x2d0 mm/mmap.c:2696 mmap_region+0x6af/0x1e50 mm/mmap.c:2747 do_mmap+0x7af/0xe60 mm/mmap.c:1385 vm_mmap_pgoff+0x1e3/0x420 mm/util.c:573 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fba6347dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fba641610c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fba635abf80 RCX: 00007fba6347dea9 RDX: 0000000000000000 RSI: 00000000001fffff RDI: 0000000020000000 RBP: 00007fba64161120 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000028031 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fba635abf80 R15: 00007ffc5b82e2c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:region_abort mm/hugetlb.c:813 [inline] RIP: 0010:__vma_reservation_common+0x795/0x7d0 mm/hugetlb.c:2856 Code: f1 f2 89 09 e8 0c e6 9f ff 90 0f 0b e8 04 e6 9f ff 90 0f 0b e8 fc e5 9f ff 90 0f 0b e8 f4 e5 9f ff 90 0f 0b e8 ec e5 9f ff 90 <0f> 0b e8 e4 e5 9f ff 90 0f 0b e8 dc e5 9f ff 90 0f 0b e8 d4 e5 9f RSP: 0018:ffffc90009c17240 EFLAGS: 00010293 RAX: ffffffff81f61a14 RBX: 0000000000000000 RCX: ffff88806eaf1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90009c17310 R08: ffffffff81f61526 R09: fffff52001382e38 R10: dffffc0000000000 R11: fffff52001382e38 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888064f61408 R15: ffff888064f61400 FS: 00007fba641616c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558b067788 CR3: 00000000762e8000 CR4: 00000000003506f0 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 report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup