Steven Rostedt (Google) 8157b6ec86 tracefs: Set the group ownership in apply_options() not parse_options() ... commit 851e99ebee upstream. Al Viro brought it to my attention that the dentries may not be filled when the parse_options() is called, causing the call to set_gid() to possibly crash. It should only be called if parse_options() succeeds totally anyway. He suggested the logical place to do the update is in apply_options(). Link: https://lore.kernel.org/all/20220225165219.737025658@goodmis.org/ Link: https://lkml.kernel.org/r/20220225153426.1c4cab6b@gandalf.local.home Cc: stable@vger.kernel.org Acked-by: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Al Viro <viro@zeniv.linux.org.uk> Fixes: 48b27b6b51 ("tracefs: Set all files to the same group ownership as the mount option") Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-03-02 11:33:58 +01:00
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inode.c	tracefs: Set the group ownership in apply_options() not parse_options()	2022-03-02 11:33:58 +01:00
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