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authorRob Landley <rob@landley.net>2014-11-19 14:29:53 -0600
committerRob Landley <rob@landley.net>2014-11-19 14:29:53 -0600
commit159a7f1621eecf6cf3c2824ffb762a19bf5f7667 (patch)
tree24eaecf6bab6f36522033b8c4e47c8d84fb43ac6 /toys/posix/cp.c
parent45bd6a2cd43ebd27e2696852959617704a8faafd (diff)
downloadtoybox-159a7f1621eecf6cf3c2824ffb762a19bf5f7667.tar.gz
Fix "tail -c 10" segfault spotted by Lukasz Szpakowski.
Once we've read through the initial TT.bytes backlog we discard the extra data, meaning we adjust the remaining amount each time so the overflow is zero bytes. We were doing the adjustment right, but not zeroing out the overflow counter after we did so.
Diffstat (limited to 'toys/posix/cp.c')
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