Bug#1043078: Acknowledgement (linux-image-6.3.0-2-amd64: kernel NULL pointer dereference with MD write-back journal)

To: 1043078@bugs.debian.org
Subject: Bug#1043078: Acknowledgement (linux-image-6.3.0-2-amd64: kernel NULL pointer dereference with MD write-back journal)
From: Corey Hickey <bugfood-c@fatooh.org>
Date: Sat, 5 Aug 2023 14:45:50 -0700
Message-id: <[🔎] 9c185b32-0457-4590-831c-db252467ddb8@fatooh.org>
Reply-to: Corey Hickey <bugfood-c@fatooh.org>, 1043078@bugs.debian.org
In-reply-to: <handler.1043078.B.16912651672664150.ack@bugs.debian.org>
References: <[🔎] 169126471872.235834.12662938932372034516.reportbug@bugfood.fatooh.org> <handler.1043078.B.16912651672664150.ack@bugs.debian.org> <[🔎] 169126471872.235834.12662938932372034516.reportbug@bugfood.fatooh.org>

I reproduced this with linux-image-6.4.0-1-amd64 (after a reboot, of
course).

This time, a full write via direct I/O did not trigger the crash, but asubsequent write via buffered I/O did result in a crash.


-Corey

Reply to:

References:
- Bug#1043078: linux-image-6.3.0-2-amd64: kernel NULL pointer dereference with MD write-back journal
  - From: Corey Hickey <bugfood-c@fatooh.org>