Fix test for Android

Author: flba-eb

src/test/ui/process/process-panic-after-fork.rs

@@ -78,7 +78,29 @@ unsafe impl<A:GlobalAlloc> GlobalAlloc for PidChecking<A> {
 fn expect_aborted(status: ExitStatus) {
     dbg!(status);
     let signal = status.signal().expect("expected child process to die of signal");
+
+    #[cfg(not(target_os = "android"))]
     assert!(signal == libc::SIGABRT || signal == libc::SIGILL || signal == libc::SIGTRAP);
+
+    #[cfg(target_os = "android")]
+    {
+        // Android signals an abort() call with SIGSEGV at address 0xdeadbaad
+        // See e.g. https://groups.google.com/g/android-ndk/c/laW1CJc7Icc
+        assert!(signal == libc::SIGSEGV);
+        // Check if the crash occured at addres deadbaad to ensure it is not some undefined
+        // behavior but actually an abort
+        let tombstone = (0..100)
+            .map(|n| format!("/data/tombstones/tombstone_{n:02}"))
+            .filter(|f| std::path::Path::new(&f).exists())
+            .last()
+            .expect("no tombstone found");
+        let tombstone =
+            std::fs::read_to_string(&tombstone).expect("Cannot read tombstone file");
+        // If the next assert fails sporadically we might have an issue with parallel crashing apps
+        assert!(tombstone
+            .contains(&std::env::current_exe().unwrap().into_os_string().into_string().unwrap()));
+        assert!(tombstone.contains("signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr deadbaad"));
+    }
 }
 
 fn main() {