diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2020-02-26 03:35:35 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-04-01 13:42:13 +1100 |
| commit | 993c670a4dfb2bded39d96f11df763c657d15a41 (patch) | |
| tree | 55469336d404d428bd3d49a25b44f98eb6cd4774 /arch/powerpc/kernel/exceptions-64e.S | |
| 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
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64e.S')
0 files changed, 0 insertions, 0 deletions