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Filename	Latest commit message	Latest commit date
Daniel Borkmann d227c3ae4e tracefs: Fix refcount imbalance in start_creating() ... In tracefs' start_creating(), we pin the file system to safely access its root. When we failed to create a file, we unpin the file system via failed_creating() to release the mount count and eventually the reference of the singleton vfsmount. However, when we run into an error during lookup_one_len() when still in start_creating(), we only release the parent's mutex but not so the reference on the mount. F.e., in securityfs_create_file(), after doing simple_pin_fs() when lookup_one_len() fails there, we infact do simple_release_fs(). This seems necessary here as well. Same issue seen in debugfs due to 190afd81e4 ("debugfs: split the beginning and the end of __create_file() off"), which seemed to got carried over into tracefs, too. Noticed during code review. Link: http://lkml.kernel.org/r/68efa86101b778cf7517ed7c6ad573bd69f60ec6.1446672850.git.daniel@iogearbox.net Fixes: 4282d60689 ("tracefs: Add new tracefs file system") Cc: stable@vger.kernel.org # 4.1+ Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		2015-11-04 22:13:45 -05:00
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inode.c	tracefs: Fix refcount imbalance in start_creating()	2015-11-04 22:13:45 -05:00
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