On Tue, 8 Jun 2021 23:46:05 +1000, Michael Ellerman wrote: > In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64() > to minimise uaccess switches") the 64-bit signal code was rearranged to > use user_write_access_begin/end(). > > As part of that change the call to copy_siginfo_to_user() was moved > later in the function, so that it could be done after the > user_write_access_end(). > > [...]
Applied to powerpc/fixes. [1/1] powerpc/signal64: Copy siginfo before changing regs->nip https://git.kernel.org/powerpc/c/e41d6c3f4f9b4804e53ca87aba8ee11ada606c77 cheers