diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-06-09 21:18:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-23 14:42:52 +0200 |
| commit | 63ba83563e71d5785f642e7ed2dc503acf48a092 (patch) | |
| tree | dcbbe64b3aa89c7adbdc1da5e4cafea7d34026f9 /kernel | |
| parent | a7748e021b9fb7739e3cb88449296539de0b6817 (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 'kernel')
0 files changed, 0 insertions, 0 deletions