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Lunev" In-Reply-To: <20261105145749.2643035-1-den@openvz.org> References: <20261105145749.2643035-1-den@openvz.org> Message-Id: <179390276466.2948524.7014567228246329015.b4-ty@b4> Date: Thu, 05 Nov 2026 19:19:24 +0100 MIME-Version: 1.0 X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1192; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=WsCtXgOLxXr+NTLPX9uI+3qxA6iNS1X7R/y1fqdhT3Y=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBq7MivVuuG/a4iADgjGLik0LMk148kBfQejgkqn zacbGzIVEmJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCauzIrwAKCRBRlgpH+WFc KtPrD/9uvMcp7fLX7EA6/GIPT3QOes7JZEn0lnMiCrbrU6Yc5gKBVtTRYfsk4g3dTLHC7xDQ24/ cNnqhcE5YxdQh8mgKmQhR0K2IFgybEhGZOI7LXUzwzuynnerKtueMCKYFFcEIWZEKgPjwn5LznC C3fXaQD6Gli7FFvfLySTdg3IYkX7pQI8gO13KsIqkjyKal2TKk6Y7Pd0vv96v/ChCQzSBhl/pPz ubLPUp/XnNZEO1DSybYlcbGT1L+jjaVs2+IPd9bLlE393+9gyIkEy1SRkRrIX7uj8oVS6qHHw95 vycyf0/mDOhetqajVxrb1IMJI+jjnYeikpKS3s3AHrfpOHOhlq9vdE94Eg4RkA+WqENn0aMtnn6 yweyPJlCrWfoDdQokdC5qH7u/PkfSxE0pZT0x9pKK0We8f2k55yw1c8COyDGjdN6kx0L+v7SXat cFJEYY/Oc1M7A5jodCy8U7Zh41vwFG5odaT9yAp1VbwlaBwynj0CVip048TMdViD/hSraPxJCDx F7oBy2wgXzgOjqyC8I52FMhZAOLq7AHRJceSj0bsXHPAv5cKI4m8WGEcQlZAQ5GR2ILw+LNN04a /Vaa+JdbBHOLWgFfyWQxR9H7PH409YMEek6Y6a63RrNzS3YLxBUfHd8ONIB8Ed3dexHLc+2T0ke mHvG9yEvlcuYkgA== X-Developer-Key: i=khorenko@virtuozzo.com; a=openpgp; fpr=560F6DC83DC5D3D063BD082C51960A47F9615C2A X-OZ-Fwd: true Cc: devel@openvz.org Subject: Re: [Devel] [PATCH hci-8.1 v2 0/3] dm-ploop: fix flip_upper_deltas panicking the host in its pre-flip check X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On Thu, 05 Nov 2026 15:57:46 +0100, Denis V. Lunev wrote: > dm-ploop: fix flip_upper_deltas panicking the host in its pre-flip check > > ploop_check_delta_before_flip() runs on every flip_upper_deltas, as > PLOOP_DEBUG is always defined in dm-ploop-cmd.c, and has three bugs > (VSTOR-153445): > > - patch 1: when it finds a cluster both deltas map, it returns -EEXIST > with two md_locks held and interrupts disabled. The next pio on that > BAT page spins on the lock forever, and the host panics on a hard > lockup; > > [...] Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.19.vz10, thanks! [1/3] dm-ploop: fix flip_upper_deltas returning with two md_locks held https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/e47cf5cfc4c9 [2/3] dm-ploop: refuse flip_upper_deltas onto a lower delta smaller than the device https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/18c4383f77c9 [3/3] dm-ploop: fix the flip_upper_deltas check skipping the last BAT entry https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f0cff9cebdb0 -- Konstantin Khorenko, Virtuozzo Linux Kernel Team _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel