Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/valgrind.git#694bfef4aa9f24859dcf6c1c4a6b68c9a242ddf0

valgrind-3.16.1-open-proc-self-exe.patch

@@ -69,3 +69,30 @@ index 7d4b385a3..3810f7474 100644
        return;
  #endif // defined(VGO_linux)
  
+diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
+index 52074149d..fcc534454 100644
+--- a/coregrind/m_syswrap/syswrap-linux.c
++++ b/coregrind/m_syswrap/syswrap-linux.c
+@@ -5745,6 +5745,22 @@ PRE(sys_openat)
+       return;
+    }
+ 
++   /* And for /proc/self/exe or /proc/<pid>/exe case. */
++
++   VG_(sprintf)(name, "/proc/%d/exe", VG_(getpid)());
++   if (ML_(safe_to_deref)( (void*)(Addr)ARG2, 1 )
++       && (VG_(strcmp)((HChar *)(Addr)ARG2, name) == 0 
++           || VG_(strcmp)((HChar *)(Addr)ARG2, "/proc/self/exe") == 0)) {
++      sres = VG_(dup)( VG_(cl_exec_fd) );
++      SET_STATUS_from_SysRes( sres );
++      if (!sr_isError(sres)) {
++         OffT off = VG_(lseek)( sr_Res(sres), 0, VKI_SEEK_SET );
++         if (off < 0)
++            SET_STATUS_Failure( VKI_EMFILE );
++      }
++      return;
++   }
++
+    /* Otherwise handle normally */
+    *flags |= SfMayBlock;
+ }

valgrind.spec

@@ -3,7 +3,7 @@
 Summary: Tool for finding memory management bugs in programs
 Name: %{?scl_prefix}valgrind
 Version: 3.16.1
-Release: 17%{?dist}
+Release: 18%{?dist}
 Epoch: 1
 License: GPLv2+
 URL: http://www.valgrind.org/
@@ -528,6 +528,9 @@ fi
 %endif
 
 %changelog
+* Sat Feb  6 2021 Mark Wielaard <mjw@fedoraproject.org> - 3.16.1-18
+- Update valgrind-3.16.1-open-proc-self-exe.patch to handle openat
+
 * Sat Feb  6 2021 Mark Wielaard <mjw@fedoraproject.org> - 3.16.1-17
 - Add valgrind-3.16.1-open-proc-self-exe.patch