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H A D | loop.c | 79e5dc59 Tue Aug 25 02:18:29 CDT 2020 Martijn Coenen <maco@android.com> loop: Set correct device size when using LOOP_CONFIGURE
The device size calculation was done before processing the loop configuration, which meant that the we set the size on the underlying block device incorrectly in case lo_offset/lo_sizelimit were set in the configuration. Delay computing the size until we've setup the device parameters correctly.
Fixes: 3448914e8cc5("loop: Add LOOP_CONFIGURE ioctl") Reported-by: Lennart Poettering <mzxreary@0pointer.de> Tested-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com> Signed-off-by: Martijn Coenen <maco@android.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> 79e5dc59 Tue Aug 25 02:18:29 CDT 2020 Martijn Coenen <maco@android.com> loop: Set correct device size when using LOOP_CONFIGURE The device size calculation was done before processing the loop configuration, which meant that the we set the size on the underlying block device incorrectly in case lo_offset/lo_sizelimit were set in the configuration. Delay computing the size until we've setup the device parameters correctly. Fixes: 3448914e8cc5("loop: Add LOOP_CONFIGURE ioctl") Reported-by: Lennart Poettering <mzxreary@0pointer.de> Tested-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com> Signed-off-by: Martijn Coenen <maco@android.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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