| commit | 993c670a4dfb2bded39d96f11df763c657d15a41 | [log] [tgz] |
|---|---|---|
| author | Nicholas Piggin <npiggin@gmail.com> | Wed Feb 26 03:35:35 2020 +1000 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Wed Apr 01 13:42:13 2020 +1100 |
| tree | 55469336d404d428bd3d49a25b44f98eb6cd4774 | |
| parent | 68b34588e2027f699a3c034235f21cd19356b2e6 [diff] |
powerpc/64/syscall: Zero volatile registers when returning Kernel addresses and potentially other sensitive data could be leaked in volatile registers after a syscall. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200225173541.1549955-27-npiggin@gmail.com