From: Eric Dumazet <eduma...@google.com> Date: Fri, 8 Feb 2019 12:41:05 -0800
> Due to quadratic behavior of x25_new_lci(), syzbot was able > to trigger an rcu stall. > > Fix this by not blocking BH for the whole duration of > the function, and inserting a reschedule point when possible. > > If we care enough, using a bitmap could get rid of the quadratic > behavior. > > syzbot report : ... > Signed-off-by: Eric Dumazet <eduma...@google.com> > Reported-by: syzbot <syzkal...@googlegroups.com> Applied, thanks.
