CVE-2022-48713 perf/x86/intel/pt: Fix crash with stop filters in single-range mode

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fix crash with stop filters in single-range mode Add a check for !buf-single before calling ptbufferregionsize in a place where a missing check can cause a kernel crash. Fixes a bug introduced by commit...

CVE-2022-48713 perf/x86/intel/pt: Fix crash with stop filters in single-range mode

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fix crash with stop filters in single-range mode Add a check for !buf-single before calling ptbufferregionsize in a place where a missing check can cause a kernel crash. Fixes a bug introduced by commit...