[Devel] [PATCH hci-8.1 0/2] dm-zero-rq: fix a crash on a flush after ploop release

[Konstantin Khorenko]

On Wed, 28 Oct 2026 13:31:27 +0100, Denis V. Lunev wrote:
> dm-zero-rq: fix a crash on a flush after ploop release
> 
> ploop releases a device by reloading it to the error target, and
> ploop_dmreload_zero() (VSTOR-146886) later reloads it to zero-rq while
> the file system on top is still mounted. A request queued against the previous table waits out
> the suspend and is dispatched to zero-rq on resume.
> 
> [...]

Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.12.vz10, thanks!

[1/2] dm-zero-rq: fix a NULL dereference mapping a flush request
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/715454eaf102
[2/2] dm-zero-rq: drop flushes, discards and write zeroes instead of failing them
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/7196ed314486

-- 
Konstantin Khorenko,
Virtuozzo Linux Kernel Team