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| From: | Michael Tokarev |
| Subject: | Re: [PATCH 1/6] qemu-img: rebase: stop when reaching EOF of old backing file |
| Date: | Thu, 26 Oct 2023 09:32:35 +0300 |
| User-agent: | Mozilla Thunderbird |
01.06.2023 22:28, Andrey Drobyshev via:
In case when we're rebasing within one backing chain, and when target image is larger than old backing file, bdrv_is_allocated_above() ends up setting *pnum = 0. As a result, target offset isn't getting incremented, and we get stuck in an infinite for loop. Let's detect this case and proceed further down the loop body, as the offsets beyond the old backing size need to be explicitly zeroed.
Ping? Has this been forgotten? It's a few months already.. /mjt
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