On Fri, 2014-09-12 at 09:57 +0800, Wang Nan wrote: > Hi Greg and Zefan: > > upstream commit 7ba3ec5749ddb61f79f7be17b5fd7720eebc52de: > ext2: Fix fs corruption in ext2_get_xip_mem() > > looks applicable for 3.10 and 3.4. > > On 3.10, without this patch we can easily trigger a bug using: > > # mkfs.ext2 -b 4096 /dev/ram1 > # mount -t ext2 -o xip /dev/ram1 /mnt > # cp /bin/ls /mnt > cp: error writing '/mnt/ls': No space left on device > cp: failed to extend '/mnt/ls': No space left on device > > On 3.4, no such error report, but in this case an extra block is allocated. > > Thank you! I've queued this up for 3.2, as ext2 doesn't seem to have changed significantly between 3.2 and 3.4. Ben. -- Ben Hutchings The world is coming to an end. Please log off.
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