Al Viro ea635c64e0 Fix racy use of anon_inode_getfd() in perf_event.c ...

once anon_inode_getfd() is called, you can't expect *anything* about
struct file that descriptor points to - another thread might be doing
whatever it likes with descriptor table at that point.

Cc: stable <stable@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2010-05-27 22:03:08 -04:00

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