commit 336edc303b12e96b08290a61c9ab87283f8e9149
author Robert O'Callahan <robert@ocallahan.org> Tue Aug 16 08:17:41 2022 +1200
committer Robert O'Callahan <robert@ocallahan.org> Tue Aug 16 08:17:59 2022 +1200
tree cea07c18cd675f46343ff7cbe6149eb99597a04b
parent d12f8ffb004ba2d42792ecb9d035c630764d874d

Dump full siginfo for unexpected signal

src/AutoRemoteSyscalls.cc

diff --git a/src/AutoRemoteSyscalls.cc b/src/AutoRemoteSyscalls.cc
index deca5e5..0d1bae0 100644
--- a/src/AutoRemoteSyscalls.cc
+++ b/src/AutoRemoteSyscalls.cc
@@ -323,7 +323,12 @@
     }
     return true;
   }
-  ASSERT(t, false) << "Unexpected signal " << signal_name(sig);
+  siginfo_t siginfo;
+  if (t->ptrace_if_alive(PTRACE_GETSIGINFO, nullptr, &siginfo)) {
+    ASSERT(t, false) << "Unexpected signal " << siginfo;
+  } else {
+    ASSERT(t, false) << "Unexpected signal " << signal_name(sig);
+  }
   return false;
 }