Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals

[PATCH v7 0/8] blktrace: fix debugfs use after free · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
[PATCH v7 4/8] blktrace: annotate required lock on do_blk_trace_setup() · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 4/8] blktrace: annotate required lock on do_blk_trace_setup() · Bart Van Assche <bvanassche@acm.org> · 2020-06-20
[PATCH v7 8/8] block: create the request_queue debugfs_dir on registration · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 8/8] block: create the request_queue debugfs_dir on registration · Christoph Hellwig <hch@infradead.org> · 2020-06-20
Re: [PATCH v7 8/8] block: create the request_queue debugfs_dir on registration · Bart Van Assche <bvanassche@acm.org> · 2020-06-20
Re: [PATCH v7 8/8] block: create the request_queue debugfs_dir on registration · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-22
Re: [PATCH v7 8/8] block: create the request_queue debugfs_dir on registration · Bart Van Assche <bvanassche@acm.org> · 2020-06-23
[PATCH v7 6/8] blktrace: fix debugfs use after free · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 6/8] blktrace: fix debugfs use after free · Christoph Hellwig <hch@infradead.org> · 2020-06-20
Re: [PATCH v7 6/8] blktrace: fix debugfs use after free · Bart Van Assche <bvanassche@acm.org> · 2020-06-20
Re: [PATCH v7 6/8] blktrace: fix debugfs use after free · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-22
[PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Bart Van Assche <bvanassche@acm.org> · 2020-06-20
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-22
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Bart Van Assche <bvanassche@acm.org> · 2020-06-23
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-23
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Johannes Thumshirn <hidden> · 2020-06-23
Re: [PATCH v7 5/8] loop: be paranoid on exit and prevent new additions / removals · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-24
[PATCH v7 7/8] blktrace: ensure our debugfs dir exists · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 7/8] blktrace: ensure our debugfs dir exists · Christoph Hellwig <hch@infradead.org> · 2020-06-20
Re: [PATCH v7 7/8] blktrace: ensure our debugfs dir exists · Bart Van Assche <bvanassche@acm.org> · 2020-06-20
[PATCH v7 3/8] block: revert back to synchronous request_queue removal · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
[PATCH v7 2/8] block: clarify context for refcount increment helpers · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
[PATCH v7 1/8] block: add docs for gendisk / request_queue refcount helpers · Luis Chamberlain <mcgrof@kernel.org> · 2020-06-19
Re: [PATCH v7 0/8] blktrace: fix debugfs use after free · Jens Axboe <axboe@kernel.dk> · 2020-06-20

From: Johannes Thumshirn <hidden>
Date: 2020-06-23 17:05:09
Also in: linux-fsdevel, linux-mm, lkml

On 22/06/2020 14:27, Luis Chamberlain wrote:
[...]> If you run run_0004.sh from break-blktrace [0]. Even with all my patches

merged we still run into this. And so the bug lies within the block
layer or on the driver. I haven't been able to find the issue yet.

[0] https://github.com/mcgrof/break-blktrace

Would it be a good idea to merge this into blktests? Maybe start a blktrace 
section for it, which could host other regression test for blktrace.

Thoughts?

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