From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 234A9D30B for ; Tue, 4 Jun 2024 15:18:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717514286; cv=none; b=nbE8YUuTJzrYpKnelOdXDcGPEhow+oZ0RkH/LcHSPoPMHzhL3vj8NBG6I5z7z8qh3SFBY0zPtARl02fvGCYBm37IDwyoNo+j7kAvZ6ZFPlvkJXtxTOCYFt0/bxF42xz/EDnDIZoDSU5n4UCWn81ujFeYRXMcwnhpRFm4f5oHHHQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717514286; c=relaxed/simple; bh=tpfkNgTZfcuH+VTfOn91EPfqnUg6JbERugDkeEYrt5A=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Icd6lykEhA0r+BeQ43R6TvL+ZmmSFmhiNoYGaaN8WvO4a3SjU/yXfzqptD1sr41KLLMeMBKhe9Z34bDRUlCI2DRrpaivg7Cxy2nS08vN+Ly4ex1Gjxk2dWCeoSllcRv4V4ohZlAM1gQoBfCfNI2tPezUjVLZNEOOtKk2FTcFOpU= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-37497fe0362so29572435ab.0 for ; Tue, 04 Jun 2024 08:18:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717514284; x=1718119084; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tOzCTNHICNLa8r7l1K030oTI8NwjqIBvUy4yex2WErw=; b=XeQO3L/TurttyaQ1ckqG9MVQiSCC+nxmvIoLLCqnZQITZYk5KLdx4D7my1z/mGGL8z gNZlDQTWRw1VNvc9PbqjVBlEP6pwV2zac258GRM7+ufTIIHYu0eGfZLKvxiSBktxDlsl 2TqBUntGpLCr14KdXMSysG46jRSJwhEXZd709+rxnjK59PovkK7L+KP12zrsqLxNf9UQ x0eCy7MCKqGN8baatE56PCLNXhnXjNK2s0i23tEK6BFyqAhCbiBoTKjKxLreagM2kdQj YU8e/i2Q/RoW7elHhC1MgRh0KqQW1HolGuk4qTdzPDHIHxaMIC2RaJJAQJYe36UkuGzb srAg== X-Forwarded-Encrypted: i=1; AJvYcCWT0yIpxaZ6Y+cKVEdE78gtp2vS9VHZB2avzdjuKqgSU/uFQBZ6s3b/CTTvo1n+aXMEOkYQZVtr0yZujBDBhKu8R2tQkNJquH8oPlVm X-Gm-Message-State: AOJu0YxvNcQQmTsdIpYUKbOMr3wUt1t9c4zAhKHKufzPxOYCqVJ2vq52 dE2JXqYpiz4f2iHeQMlMTtuv4/VXzmTMAIzzT3v9RIXtr5R8XaxmjUmZ9MKKwypX0PO/GmlewQg v20I6cOo5ljF2FsVboEMtc/S4OXC8g9vLhbdQ+3nHRUP+aZM/qK+uNOk= X-Google-Smtp-Source: AGHT+IEc+y/vX0hgXVTa79rvG2pXkFnykeX6p1ndZh1+Zm75/ZC5/DBkVL90QW5i8WSQ2aylTwUbzTPubz6DLLZsTcLJUBuaYkGB Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a6b:b0:373:89cf:c491 with SMTP id e9e14a558f8ab-3748b8f3693mr8474465ab.0.1717514284336; Tue, 04 Jun 2024 08:18:04 -0700 (PDT) Date: Tue, 04 Jun 2024 08:18:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d09b25061a11f454@google.com> Subject: Re: [syzbot] [maple-tree?] BUG: unable to handle kernel paging request in mas_walk From: syzbot To: liam.howlett@oracle.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: BUG: unable to handle kernel paging request in corrupted Unable to handle kernel paging request at virtual address 007f8000826099b8 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [007f8000826099b8] address between user and kernel address ranges Tested on: commit: 63ab6007 maple_tree: Check dead node in mas_walk() whe.. git tree: git://git.infradead.org/users/jedix/linux-maple.git syz_20240603 console output: https://syzkaller.appspot.com/x/log.txt?x=14842a16980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bd6024aedb15e15c dashboard link: https://syzkaller.appspot.com/bug?extid=c67d06ab25a9bc4adf35 compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Note: no patches were applied.