On 08/07, Andrii Nakryiko wrote: > > Ok, so it seems like rb_find_rcu() and rb_find_add_rcu() are not > enough or are buggy. I managed to more or less reliably start > reproducing a crash, which was bisected to exactly this change. My > wild guess is that we'd need an rb_erase_rcu() variant or something, And then I think it is not safe to put uprobe->rb_node and uprobe->rcu in the union, sorry... Did you get the crash with this change? Oleg.
