Merge tag 'perf-tools-fixes-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tooling fixes from Arnaldo Carvalho de Melo:

 - Update various UAPI headers, some automatically adding support for a
   new MSR and the faccess2 syscall.

 - Fix corner case NULL deref in the histograms code.

 - Fix corner case NULL deref in 'perf stat' aggregation code.

 - Fix array pointer deref and old style declaration in the parsing of
   events.

 - Fix segfault when processing ZSTD compressed perf.data files in 'perf
   script' due to lack of initialization of the ZSTD library.

 - Handle __attribute__((user)) in libtraceevent fixing the parsing of
   syscall tracepoints with user buffers.

 - Make libtraevent aware of __builtin_expect() appearing in tracepoint
   fields.

 - Make the BPF prologue generation use bpf_probe_read_{user,kernel}().

 - Fix the '@user' attribute parsing in kprobes variables in 'perf
   probe'.

 - Fix error message when asking for -fsanitize=address without required
   libraries.

* tag 'perf-tools-fixes-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (22 commits)
  perf build: Fix error message when asking for -fsanitize=address without required libraries
  tools lib traceevent: Add handler for __builtin_expect()
  tools lib traceevent: Handle __attribute__((user)) in field names
  tools lib traceevent: Add append() function helper for appending strings
  tools headers UAPI: Sync linux/fs.h with the kernel sources
  tools include UAPI: Sync linux/vhost.h with the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf script: Initialize zstd_data
  perf pmu: Remove unused declaration
  perf parse-events: Fix an old style declaration
  perf parse-events: Fix an incompatible pointer
  perf bpf: Fix bpf prologue generation
  perf probe: Fix user attribute access in kprobes
  perf stat: Fix NULL pointer dereference
  perf report: Fix NULL pointer dereference in hists__fprintf_nr_sample_events()
  tools headers UAPI: Sync kvm.h headers with the kernel sources
  tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
  tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
  perf beauty: Add support to STATX_MNT_ID in the 'statx' syscall 'mask' argument
  tools headers uapi: Sync linux/stat.h with the kernel sources
  ...

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