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GFS2: Fix unsafe dereference in dump_holder()
authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Thu, 2 Jan 2014 10:52:20 +0000 (19:52 +0900)
committerSteven Whitehouse <swhiteho@redhat.com>
Thu, 2 Jan 2014 12:18:04 +0000 (12:18 +0000)
GLOCK_BUG_ON() might call this function without RCU read lock. Make sure that
RCU read lock is held when using task_struct returned from pid_task().

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
fs/gfs2/glock.c patch | blob | history

diff --cc fs/gfs2/glock.c
Simple merge
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