diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-06-09 21:18:00 +0200 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2021-06-30 08:49:36 -0400 |
| commit | 749af556011acce91beb72e0f6d74539f57ce219 (patch) | |
| tree | 07ce9feb2abb602c2c83c2d26f438f127d121b79 /lib/cpu-notifier-error-inject.c | |
| parent | fab7d0d5f5e950577ac8656ef9e1ef5e80e47b3b (diff) | |
x86/fpu: Reset state for all signal restore failures
commit efa165504943f2128d50f63de0c02faf6dcceb0d upstream.
If access_ok() or fpregs_soft_set() fails in __fpu__restore_sig() then the
function just returns but does not clear the FPU state as it does for all
other fatal failures.
Clear the FPU state for these failures as well.
Fixes: 72a671ced66d ("x86, fpu: Unify signal handling code paths for x86 and x86_64 kernels")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/87mtryyhhz.ffs@nanos.tec.linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/cpu-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions