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linux/fs/ext4/inode.c
Theodore Ts'o b5a7e97039 ext4: fix ext4_end_io_dio() racing against fsync() 
We need to make sure iocb->private is cleared *before* we put the
io_end structure on i_completed_io_list.  Otherwise fsync() could
potentially run on another CPU and free the iocb structure out from
under us.

Reported-by: Kent Overstreet <koverstreet@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
2011-12-12 10:53:02 -05:00

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