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Date: Tue, 18 May 2010 17:13:55 +0800
From: Eugene Teo <>
Subject: kernel: btrfs: check for read permission on src file in the clone

The existing [btrfs] code would have allowed you to clone a file that 
was only open for writing. Not an expected behaviour.

Upstream commit:


I'm not requesting a CVE name for this as it did not affect any of Red 
Hats' supported Linux kernels.

Thanks, Eugene
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }

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