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[esp32] Capture fault address and raw cause in crash handler (#17769)

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This commit is contained in:
J. Nick Koston
2026-07-25 18:12:53 -10:00
committed by GitHub
parent 98e9dd7954
commit e0644ab20a
3 changed files with 77 additions and 5 deletions
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tests/unit_tests/components/test_esp_stacktrace.py
+42
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@@ -137,3 +137,45 @@ def test_process_stacktrace_esp32_crash_handler(
state = process_stacktrace(config, line_bt1, False)
mock_esp32_decode_pc.assert_called_once_with(config, "42005ABC")
assert state is False
mock_esp32_decode_pc.reset_mock()
# Reason line carries no address, must not trigger a decode
line_reason = "[E][esp32.crash:079]: Reason: Fault - LoadProhibited (cause 28)"
state = process_stacktrace(config, line_reason, False)
mock_esp32_decode_pc.assert_not_called()
assert state is False
mock_esp32_decode_pc.reset_mock()
# EXCVADDR pointing at code (e.g. jumping through a corrupted pointer) decodes
line_excvaddr = "[E][esp32.crash:081]: EXCVADDR: 0x400D9ABC (faulting address)"
state = process_stacktrace(config, line_excvaddr, False)
mock_esp32_decode_pc.assert_called_once_with(config, "400D9ABC")
assert state is False
mock_esp32_decode_pc.reset_mock()
# EXCVADDR pointing at data (heap/null) is not a code address, must be ignored
line_excvaddr_data = (
"[E][esp32.crash:081]: EXCVADDR: 0x0000001C (faulting address)"
)
state = process_stacktrace(config, line_excvaddr_data, False)
mock_esp32_decode_pc.assert_not_called()
assert state is False
mock_esp32_decode_pc.reset_mock()
# RISC-V MTVAL pointing at code decodes
line_mtval = "[E][esp32.crash:081]: MTVAL: 0x42001234 (faulting address)"
state = process_stacktrace(config, line_mtval, False)
mock_esp32_decode_pc.assert_called_once_with(config, "42001234")
assert state is False
mock_esp32_decode_pc.reset_mock()
# RISC-V MTVAL pointing at data must be ignored
line_mtval_data = "[E][esp32.crash:081]: MTVAL: 0x3FC80123 (faulting address)"
state = process_stacktrace(config, line_mtval_data, False)
mock_esp32_decode_pc.assert_not_called()
assert state is False