Messages in this thread | | | Date | Mon, 10 Jun 2013 14:13:50 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 3.0-stable 1/2] tracing: Fix possible NULL pointer dereferences |
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On Fri, Jun 07, 2013 at 05:00:33PM +0800, Li Zefan wrote: > commit 6a76f8c0ab19f215af2a3442870eeb5f0e81998d upstream. > > Currently set_ftrace_pid and set_graph_function files use seq_lseek > for their fops. However seq_open() is called only for FMODE_READ in > the fops->open() so that if an user tries to seek one of those file > when she open it for writing, it sees NULL seq_file and then panic.
You lost the original authorship of this patch, which is a very bad thing to do.
Ugh, time to edit emails by hand, not my favorite pasttime, someone owes me a drink...
greg k-h
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