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authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>2011-02-04 18:13:24 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-04 10:40:29 -0800
commit78d2978874e4e10e97dfd4fd79db45bdc0748550 (patch)
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CRED: Fix kernel panic upon security_file_alloc() failure.
In get_empty_filp() since 2.6.29, file_free(f) is called with f->f_cred == NULL when security_file_alloc() returned an error. As a result, kernel will panic() due to put_cred(NULL) call within RCU callback. Fix this bug by assigning f->f_cred before calling security_file_alloc(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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