Messages in this thread | | | Date | Sat, 13 Feb 2021 11:10:03 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: general protection fault in tomoyo_socket_sendmsg_permission |
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On Sat, Feb 13, 2021 at 07:02:22PM +0900, Tetsuo Handa wrote: > Greg, will you queue https://lkml.kernel.org/r/20210205135707.4574-1-penguin-kernel@I-love.SAKURA.ne.jp (which can > close a report which is wasting syzbot's resource with 5300+ crashes) for 5.12 ? The change shown below will be > too large to test before merge window for 5.12 opens. > > The patch for fixing "general protection fault in tomoyo_socket_sendmsg_permission" will kill kthread_get_run(). > Closing frequently crashing bug now is the better. > > On 2021/02/11 22:40, Tetsuo Handa wrote: > > I guess that we need to serialize attach operation and reset/detach operations, for > > it seems there is a race window that might result in "general protection fault in > > tomoyo_socket_sendmsg_permission". Details follows... > > Here is untested diff that is expected to be complete.
Please work and test this and get it merged in a normal manner, there is no "rush" here at all. Submit it properly and all will be fine.
thanks,
greg k-h
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