From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Hlavaty Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 in nilfs_segctor_do_construct Date: Thu, 19 Dec 2019 22:02:32 +0100 Message-ID: <87immckp07.fsf@logand.com> References: <8736emquds.fsf@logand.com> Mime-Version: 1.0 Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ryusuke Konishi Cc: linux-nilfs , LKML Hi Ryusuke, thanks for your answer. Ryusuke Konishi writes: > 1) Is the crash reproducible in the environment ? yes > 2) Can you mount the corrupted(?) partition from a recent version of > kernel ? > 3) Does read-only mount option (-r) work to avoid the crash ? I'll have access to the computer sometime next week so I'll try this out and let you know. Thank you, Tomas