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authorAlexander Ivanov <alexander.ivanov@virtuozzo.com>2023-04-24 11:31:36 +0200
committerHanna Czenczek <hreitz@redhat.com>2023-06-05 13:13:47 +0200
commitf5e715dbbb1ad73ea700b8179a1b8246b71447fc (patch)
tree71f11dd4c419592d0531d4a7903efa03766045c7 /block/amend.c
parentd7e1905e3f54ff9512db4c7a946a8603b62b108d (diff)
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parallels: Out of image offset in BAT leads to image inflation
data_end field in BDRVParallelsState is set to the biggest offset present in BAT. If this offset is outside of the image, any further write will create the cluster at this offset and/or the image will be truncated to this offset on close. This is definitely not correct. Raise an error in parallels_open() if data_end points outside the image and it is not a check (let the check to repaire the image). Set data_end to the end of the cluster with the last correct offset. Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com> Message-Id: <20230424093147.197643-2-alexander.ivanov@virtuozzo.com> Reviewed-by: Hanna Czenczek <hreitz@redhat.com> Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Diffstat (limited to 'block/amend.c')
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