dd45e18f94
The path where the tests are uploaded by atest differs from the path to unstripped binaries in the out directory. As a result, the script can't symbolize the parts of the stack trace that correspond to code in the test binary. Add a fixup to use the correct path. Test: Used the script on example crashes in framework and vendor device tests - appears to work and give correct line numbers. Change-Id: I5470e6342afb801ac596cbc0c0bf067850b1e09a
546 lines
23 KiB
Python
Executable File
546 lines
23 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2013 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""stack symbolizes native crash dumps."""
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import os
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import re
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import subprocess
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import symbol
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import tempfile
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import unittest
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import example_crashes
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def ConvertTrace(lines):
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tracer = TraceConverter()
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print "Reading symbols from", symbol.SYMBOLS_DIR
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tracer.ConvertTrace(lines)
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class TraceConverter:
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process_info_line = re.compile("(pid: [0-9]+, tid: [0-9]+.*)")
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revision_line = re.compile("(Revision: \'(.*)\')")
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signal_line = re.compile("(signal [0-9]+ \(.*\).*)")
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abort_message_line = re.compile("(Abort message: '.*')")
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thread_line = re.compile("(.*)(\-\-\- ){15}\-\-\-")
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dalvik_jni_thread_line = re.compile("(\".*\" prio=[0-9]+ tid=[0-9]+ NATIVE.*)")
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dalvik_native_thread_line = re.compile("(\".*\" sysTid=[0-9]+ nice=[0-9]+.*)")
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register_line = re.compile("$a")
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trace_line = re.compile("$a")
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sanitizer_trace_line = re.compile("$a")
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value_line = re.compile("$a")
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code_line = re.compile("$a")
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zipinfo_central_directory_line = re.compile("Central\s+directory\s+entry")
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zipinfo_central_info_match = re.compile(
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"^\s*(\S+)$\s*offset of local header from start of archive:\s*(\d+)"
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".*^\s*compressed size:\s+(\d+)", re.M | re.S)
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unreachable_line = re.compile("((\d+ bytes in \d+ unreachable allocations)|"+\
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"(\d+ bytes unreachable at [0-9a-f]+)|"+\
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"(referencing \d+ unreachable bytes in \d+ allocation(s)?)|"+\
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"(and \d+ similar unreachable bytes in \d+ allocation(s)?))")
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trace_lines = []
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value_lines = []
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last_frame = -1
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width = "{8}"
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spacing = ""
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apk_info = dict()
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register_names = {
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"arm": "r0|r1|r2|r3|r4|r5|r6|r7|r8|r9|sl|fp|ip|sp|lr|pc|cpsr",
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"arm64": "x0|x1|x2|x3|x4|x5|x6|x7|x8|x9|x10|x11|x12|x13|x14|x15|x16|x17|x18|x19|x20|x21|x22|x23|x24|x25|x26|x27|x28|x29|x30|sp|pc|pstate",
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"mips": "zr|at|v0|v1|a0|a1|a2|a3|t0|t1|t2|t3|t4|t5|t6|t7|s0|s1|s2|s3|s4|s5|s6|s7|t8|t9|k0|k1|gp|sp|s8|ra|hi|lo|bva|epc",
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"mips64": "zr|at|v0|v1|a0|a1|a2|a3|a4|a5|a6|a7|t0|t1|t2|t3|s0|s1|s2|s3|s4|s5|s6|s7|t8|t9|k0|k1|gp|sp|s8|ra|hi|lo|bva|epc",
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"x86": "eax|ebx|ecx|edx|esi|edi|x?cs|x?ds|x?es|x?fs|x?ss|eip|ebp|esp|flags",
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"x86_64": "rax|rbx|rcx|rdx|rsi|rdi|r8|r9|r10|r11|r12|r13|r14|r15|cs|ss|rip|rbp|rsp|eflags",
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}
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def UpdateAbiRegexes(self):
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if symbol.ARCH == "arm64" or symbol.ARCH == "mips64" or symbol.ARCH == "x86_64":
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self.width = "{16}"
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self.spacing = " "
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else:
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self.width = "{8}"
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self.spacing = ""
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self.register_line = re.compile("(([ ]*\\b(" + self.register_names[symbol.ARCH] + ")\\b +[0-9a-f]" + self.width + "){2,5})")
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# Note that both trace and value line matching allow for variable amounts of
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# whitespace (e.g. \t). This is because the we want to allow for the stack
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# tool to operate on AndroidFeedback provided system logs. AndroidFeedback
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# strips out double spaces that are found in tombsone files and logcat output.
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#
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# Examples of matched trace lines include lines from tombstone files like:
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# #00 pc 001cf42e /data/data/com.my.project/lib/libmyproject.so
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#
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# Or lines from AndroidFeedback crash report system logs like:
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# 03-25 00:51:05.520 I/DEBUG ( 65): #00 pc 001cf42e /data/data/com.my.project/lib/libmyproject.so
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# Please note the spacing differences.
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self.trace_line = re.compile(
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".*" # Random start stuff.
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"\#(?P<frame>[0-9]+)" # Frame number.
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"[ \t]+..[ \t]+" # (space)pc(space).
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"(?P<offset>[0-9a-f]" + self.width + ")[ \t]+" # Offset (hex number given without
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# 0x prefix).
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"(?P<dso>\[[^\]]+\]|[^\r\n \t]*)" # Library name.
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"( \(offset (?P<so_offset>0x[0-9a-fA-F]+)\))?" # Offset into the file to find the start of the shared so.
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"(?P<symbolpresent> \((?P<symbol>.*)\))?") # Is the symbol there?
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# pylint: disable-msg=C6310
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# Sanitizer output. This is different from debuggerd output, and it is easier to handle this as
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# its own regex. Example:
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# 08-19 05:29:26.283 397 403 I : #0 0xb6a15237 (/system/lib/libclang_rt.asan-arm-android.so+0x4f237)
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self.sanitizer_trace_line = re.compile(
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".*" # Random start stuff.
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"\#(?P<frame>[0-9]+)" # Frame number.
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"[ \t]+0x[0-9a-f]+[ \t]+" # PC, not interesting to us.
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"\(" # Opening paren.
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"(?P<dso>[^+]+)" # Library name.
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"\+" # '+'
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"0x(?P<offset>[0-9a-f]+)" # Offset (hex number given with
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# 0x prefix).
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"\)") # Closin paren.
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# pylint: disable-msg=C6310
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# Examples of matched value lines include:
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# bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so
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# bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so (symbol)
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# 03-25 00:51:05.530 I/DEBUG ( 65): bea4170c 8018e4e9 /data/data/com.my.project/lib/libmyproject.so
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# Again, note the spacing differences.
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self.value_line = re.compile("(.*)([0-9a-f]" + self.width + ")[ \t]+([0-9a-f]" + self.width + ")[ \t]+([^\r\n \t]*)( \((.*)\))?")
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# Lines from 'code around' sections of the output will be matched before
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# value lines because otheriwse the 'code around' sections will be confused as
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# value lines.
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#
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# Examples include:
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# 801cf40c ffffc4cc 00b2f2c5 00b2f1c7 00c1e1a8
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# 03-25 00:51:05.530 I/DEBUG ( 65): 801cf40c ffffc4cc 00b2f2c5 00b2f1c7 00c1e1a8
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self.code_line = re.compile("(.*)[ \t]*[a-f0-9]" + self.width +
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"[ \t]*[a-f0-9]" + self.width +
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"[ \t]*[a-f0-9]" + self.width +
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"[ \t]*[a-f0-9]" + self.width +
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"[ \t]*[a-f0-9]" + self.width +
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"[ \t]*[ \r\n]") # pylint: disable-msg=C6310
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def CleanLine(self, ln):
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# AndroidFeedback adds zero width spaces into its crash reports. These
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# should be removed or the regular expresssions will fail to match.
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return unicode(ln, errors='ignore')
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def PrintTraceLines(self, trace_lines):
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"""Print back trace."""
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maxlen = max(map(lambda tl: len(tl[1]), trace_lines))
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print
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print "Stack Trace:"
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print " RELADDR " + self.spacing + "FUNCTION".ljust(maxlen) + " FILE:LINE"
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for tl in self.trace_lines:
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(addr, symbol_with_offset, location) = tl
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print " %8s %s %s" % (addr, symbol_with_offset.ljust(maxlen), location)
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return
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def PrintValueLines(self, value_lines):
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"""Print stack data values."""
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maxlen = max(map(lambda tl: len(tl[2]), self.value_lines))
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print
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print "Stack Data:"
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print " ADDR " + self.spacing + "VALUE " + "FUNCTION".ljust(maxlen) + " FILE:LINE"
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for vl in self.value_lines:
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(addr, value, symbol_with_offset, location) = vl
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print " %8s %8s %s %s" % (addr, value, symbol_with_offset.ljust(maxlen), location)
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return
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def PrintOutput(self, trace_lines, value_lines):
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if self.trace_lines:
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self.PrintTraceLines(self.trace_lines)
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if self.value_lines:
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self.PrintValueLines(self.value_lines)
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def PrintDivider(self):
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print
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print "-----------------------------------------------------\n"
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def DeleteApkTmpFiles(self):
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for _, _, tmp_files in self.apk_info.values():
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for tmp_file in tmp_files.values():
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os.unlink(tmp_file)
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def ConvertTrace(self, lines):
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lines = map(self.CleanLine, lines)
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try:
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if not symbol.ARCH:
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symbol.SetAbi(lines)
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self.UpdateAbiRegexes()
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for line in lines:
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self.ProcessLine(line)
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self.PrintOutput(self.trace_lines, self.value_lines)
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finally:
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# Delete any temporary files created while processing the lines.
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self.DeleteApkTmpFiles()
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def MatchTraceLine(self, line):
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if self.trace_line.match(line):
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match = self.trace_line.match(line)
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return {"frame": match.group("frame"),
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"offset": match.group("offset"),
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"so_offset": match.group("so_offset"),
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"dso": match.group("dso"),
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"symbol_present": bool(match.group("symbolpresent")),
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"symbol_name": match.group("symbol")}
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if self.sanitizer_trace_line.match(line):
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match = self.sanitizer_trace_line.match(line)
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return {"frame": match.group("frame"),
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"offset": match.group("offset"),
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"so_offset": None,
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"dso": match.group("dso"),
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"symbol_present": False,
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"symbol_name": None}
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return None
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def ExtractLibFromApk(self, apk, shared_lib_name):
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# Create a temporary file containing the shared library from the apk.
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tmp_file = None
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try:
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tmp_fd, tmp_file = tempfile.mkstemp()
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if subprocess.call(["unzip", "-p", apk, shared_lib_name], stdout=tmp_fd) == 0:
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os.close(tmp_fd)
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shared_file = tmp_file
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tmp_file = None
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return shared_file
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finally:
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if tmp_file:
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os.close(tmp_fd)
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os.unlink(tmp_file)
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return None
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def ProcessCentralInfo(self, offset_list, central_info):
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match = self.zipinfo_central_info_match.search(central_info)
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if not match:
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raise Exception("Cannot find all info from zipinfo\n" + central_info)
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name = match.group(1)
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start = int(match.group(2))
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end = start + int(match.group(3))
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offset_list.append([name, start, end])
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return name, start, end
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def GetLibFromApk(self, apk, offset):
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# Convert the string to hex.
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offset = int(offset, 16)
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# Check if we already have information about this offset.
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if apk in self.apk_info:
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apk_full_path, offset_list, tmp_files = self.apk_info[apk]
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for file_name, start, end in offset_list:
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if offset >= start and offset < end:
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if file_name in tmp_files:
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return file_name, tmp_files[file_name]
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tmp_file = self.ExtractLibFromApk(apk_full_path, file_name)
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if tmp_file:
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tmp_files[file_name] = tmp_file
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return file_name, tmp_file
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break
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return None, None
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if not "ANDROID_PRODUCT_OUT" in os.environ:
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print "ANDROID_PRODUCT_OUT environment variable not set."
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return None, None
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out_dir = os.environ["ANDROID_PRODUCT_OUT"]
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if not os.path.exists(out_dir):
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print "ANDROID_PRODUCT_OUT " + out_dir + " does not exist."
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return None, None
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if apk.startswith("/"):
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apk_full_path = out_dir + apk
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else:
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apk_full_path = os.path.join(out_dir, apk)
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if not os.path.exists(apk_full_path):
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print "Cannot find apk " + apk
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return None, None
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cmd = subprocess.Popen(["zipinfo", "-v", apk_full_path], stdout=subprocess.PIPE)
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# Find the first central info marker.
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for line in cmd.stdout:
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if self.zipinfo_central_directory_line.search(line):
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break
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central_info = ""
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file_name = None
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offset_list = []
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for line in cmd.stdout:
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match = self.zipinfo_central_directory_line.search(line)
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if match:
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cur_name, start, end = self.ProcessCentralInfo(offset_list, central_info)
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if not file_name and offset >= start and offset < end:
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file_name = cur_name
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central_info = ""
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else:
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central_info += line
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if central_info:
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cur_name, start, end = self.ProcessCentralInfo(offset_list, central_info)
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if not file_name and offset >= start and offset < end:
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file_name = cur_name
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# Save the information from the zip.
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tmp_files = dict()
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self.apk_info[apk] = [apk_full_path, offset_list, tmp_files]
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if not file_name:
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return None, None
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tmp_shared_lib = self.ExtractLibFromApk(apk_full_path, file_name)
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if tmp_shared_lib:
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tmp_files[file_name] = tmp_shared_lib
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return file_name, tmp_shared_lib
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return None, None
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def ProcessLine(self, line):
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ret = False
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process_header = self.process_info_line.search(line)
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signal_header = self.signal_line.search(line)
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abort_message_header = self.abort_message_line.search(line)
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thread_header = self.thread_line.search(line)
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register_header = self.register_line.search(line)
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revision_header = self.revision_line.search(line)
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dalvik_jni_thread_header = self.dalvik_jni_thread_line.search(line)
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dalvik_native_thread_header = self.dalvik_native_thread_line.search(line)
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unreachable_header = self.unreachable_line.search(line)
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if process_header or signal_header or abort_message_header or thread_header or \
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register_header or dalvik_jni_thread_header or dalvik_native_thread_header or \
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revision_header or unreachable_header:
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ret = True
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if self.trace_lines or self.value_lines:
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self.PrintOutput(self.trace_lines, self.value_lines)
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self.PrintDivider()
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self.trace_lines = []
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self.value_lines = []
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self.last_frame = -1
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if process_header:
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print process_header.group(1)
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if signal_header:
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print signal_header.group(1)
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if abort_message_header:
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print abort_message_header.group(1)
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if register_header:
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print register_header.group(1)
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if thread_header:
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print thread_header.group(1)
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if dalvik_jni_thread_header:
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print dalvik_jni_thread_header.group(1)
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if dalvik_native_thread_header:
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print dalvik_native_thread_header.group(1)
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if revision_header:
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print revision_header.group(1)
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if unreachable_header:
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print unreachable_header.group(1)
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return True
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trace_line_dict = self.MatchTraceLine(line)
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if trace_line_dict is not None:
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ret = True
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frame = int(trace_line_dict["frame"])
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code_addr = trace_line_dict["offset"]
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area = trace_line_dict["dso"]
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so_offset = trace_line_dict["so_offset"]
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symbol_present = trace_line_dict["symbol_present"]
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symbol_name = trace_line_dict["symbol_name"]
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if frame <= self.last_frame and (self.trace_lines or self.value_lines):
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self.PrintOutput(self.trace_lines, self.value_lines)
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self.PrintDivider()
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self.trace_lines = []
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self.value_lines = []
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self.last_frame = frame
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if area == "<unknown>" or area == "[heap]" or area == "[stack]":
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self.trace_lines.append((code_addr, "", area))
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else:
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# If this is an apk, it usually means that there is actually
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# a shared so that was loaded directly out of it. In that case,
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# extract the shared library and the name of the shared library.
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lib = None
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# The format of the map name:
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# Some.apk!libshared.so
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# or
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# Some.apk
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if so_offset:
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# If it ends in apk, we are done.
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apk = None
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if area.endswith(".apk"):
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apk = area
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else:
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index = area.rfind(".so!")
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if index != -1:
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# Sometimes we'll see something like:
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# #01 pc abcd libart.so!libart.so (offset 0x134000)
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# Remove everything after the ! and zero the offset value.
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area = area[0:index + 3]
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so_offset = 0
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else:
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index = area.rfind(".apk!")
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if index != -1:
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apk = area[0:index + 4]
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if apk:
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lib_name, lib = self.GetLibFromApk(apk, so_offset)
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if not lib:
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lib = area
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lib_name = None
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# When using atest, test paths are different between the out/ directory
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# and device. Apply fixups.
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if lib.startswith("/data/local/tests/") or lib.startswith("/data/local/tmp/"):
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test_name = lib.rsplit("/", 1)[-1]
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prefix = "/data/nativetest"
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if symbol.ARCH.endswith("64"):
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prefix += "64"
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if lib.startswith("/data/local/tests/vendor/"):
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prefix += "/vendor"
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lib = prefix + "/" + test_name + "/" + test_name
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|
|
# If a calls b which further calls c and c is inlined to b, we want to
|
|
# display "a -> b -> c" in the stack trace instead of just "a -> c"
|
|
info = symbol.SymbolInformation(lib, code_addr)
|
|
nest_count = len(info) - 1
|
|
for (source_symbol, source_location, object_symbol_with_offset) in info:
|
|
if not source_symbol:
|
|
if symbol_present:
|
|
source_symbol = symbol.CallCppFilt(symbol_name)
|
|
else:
|
|
source_symbol = "<unknown>"
|
|
if not source_location:
|
|
source_location = area
|
|
if lib_name:
|
|
source_location += "(" + lib_name + ")"
|
|
if nest_count > 0:
|
|
nest_count = nest_count - 1
|
|
arrow = "v------>"
|
|
if symbol.ARCH == "arm64" or symbol.ARCH == "mips64" or symbol.ARCH == "x86_64":
|
|
arrow = "v-------------->"
|
|
self.trace_lines.append((arrow, source_symbol, source_location))
|
|
else:
|
|
if not object_symbol_with_offset:
|
|
object_symbol_with_offset = source_symbol
|
|
self.trace_lines.append((code_addr,
|
|
object_symbol_with_offset,
|
|
source_location))
|
|
if self.code_line.match(line):
|
|
# Code lines should be ignored. If this were exluded the 'code around'
|
|
# sections would trigger value_line matches.
|
|
return ret
|
|
if self.value_line.match(line):
|
|
ret = True
|
|
match = self.value_line.match(line)
|
|
(unused_, addr, value, area, symbol_present, symbol_name) = match.groups()
|
|
if area == "<unknown>" or area == "[heap]" or area == "[stack]" or not area:
|
|
self.value_lines.append((addr, value, "", area))
|
|
else:
|
|
info = symbol.SymbolInformation(area, value)
|
|
(source_symbol, source_location, object_symbol_with_offset) = info.pop()
|
|
# If there is no information, skip this.
|
|
if source_symbol or source_location or object_symbol_with_offset:
|
|
if not source_symbol:
|
|
if symbol_present:
|
|
source_symbol = symbol.CallCppFilt(symbol_name)
|
|
else:
|
|
source_symbol = "<unknown>"
|
|
if not source_location:
|
|
source_location = area
|
|
if not object_symbol_with_offset:
|
|
object_symbol_with_offset = source_symbol
|
|
self.value_lines.append((addr,
|
|
value,
|
|
object_symbol_with_offset,
|
|
source_location))
|
|
|
|
return ret
|
|
|
|
|
|
class RegisterPatternTests(unittest.TestCase):
|
|
def assert_register_matches(self, abi, example_crash, stupid_pattern):
|
|
tc = TraceConverter()
|
|
lines = example_crash.split('\n')
|
|
symbol.SetAbi(lines)
|
|
tc.UpdateAbiRegexes()
|
|
for line in lines:
|
|
tc.ProcessLine(line)
|
|
is_register = (re.search(stupid_pattern, line) is not None)
|
|
matched = (tc.register_line.search(line) is not None)
|
|
self.assertEquals(matched, is_register, line)
|
|
tc.PrintOutput(tc.trace_lines, tc.value_lines)
|
|
|
|
def test_arm_registers(self):
|
|
self.assert_register_matches("arm", example_crashes.arm, '\\b(r0|r4|r8|ip)\\b')
|
|
|
|
def test_arm64_registers(self):
|
|
self.assert_register_matches("arm64", example_crashes.arm64, '\\b(x0|x4|x8|x12|x16|x20|x24|x28|sp)\\b')
|
|
|
|
def test_mips_registers(self):
|
|
self.assert_register_matches("mips", example_crashes.mips, '\\b(zr|a0|t0|t4|s0|s4|t8|gp|hi)\\b')
|
|
|
|
def test_mips64_registers(self):
|
|
self.assert_register_matches("mips64", example_crashes.mips64, '\\b(zr|a0|a4|t0|s0|s4|t8|gp|hi)\\b')
|
|
|
|
def test_x86_registers(self):
|
|
self.assert_register_matches("x86", example_crashes.x86, '\\b(eax|esi|xcs|eip)\\b')
|
|
|
|
def test_x86_64_registers(self):
|
|
self.assert_register_matches("x86_64", example_crashes.x86_64, '\\b(rax|rsi|r8|r12|cs|rip)\\b')
|
|
|
|
class LibmemunreachablePatternTests(unittest.TestCase):
|
|
def test_libmemunreachable(self):
|
|
tc = TraceConverter()
|
|
lines = example_crashes.libmemunreachable.split('\n')
|
|
|
|
symbol.SetAbi(lines)
|
|
self.assertEquals(symbol.ARCH, "arm")
|
|
|
|
tc.UpdateAbiRegexes()
|
|
header_lines = 0
|
|
trace_lines = 0
|
|
for line in lines:
|
|
tc.ProcessLine(line)
|
|
if re.search(tc.unreachable_line, line) is not None:
|
|
header_lines += 1
|
|
if tc.MatchTraceLine(line) is not None:
|
|
trace_lines += 1
|
|
self.assertEquals(header_lines, 3)
|
|
self.assertEquals(trace_lines, 2)
|
|
tc.PrintOutput(tc.trace_lines, tc.value_lines)
|
|
|
|
class LongASANStackTests(unittest.TestCase):
|
|
# Test that a long ASAN-style (non-padded frame numbers) stack trace is not split into two
|
|
# when the frame number becomes two digits. This happened before as the frame number was
|
|
# handled as a string and not converted to an integral.
|
|
def test_long_asan_crash(self):
|
|
tc = TraceConverter()
|
|
lines = example_crashes.long_asan_crash.splitlines()
|
|
symbol.SetAbi(lines)
|
|
tc.UpdateAbiRegexes()
|
|
# Test by making sure trace_line_count is monotonically non-decreasing. If the stack trace
|
|
# is split, a separator is printed and trace_lines is flushed.
|
|
trace_line_count = 0
|
|
for line in lines:
|
|
tc.ProcessLine(line)
|
|
self.assertLessEqual(trace_line_count, len(tc.trace_lines))
|
|
trace_line_count = len(tc.trace_lines)
|
|
# The split happened at transition of frame #9 -> #10. Make sure we have parsed (and stored)
|
|
# more than ten frames.
|
|
self.assertGreater(trace_line_count, 10)
|
|
tc.PrintOutput(tc.trace_lines, tc.value_lines)
|
|
|
|
class ValueLinesTest(unittest.TestCase):
|
|
def test_value_line_skipped(self):
|
|
tc = TraceConverter()
|
|
symbol.SetAbi(["ABI: 'arm'"])
|
|
tc.UpdateAbiRegexes()
|
|
tc.ProcessLine(" 12345678 00001000 .")
|
|
self.assertEqual([], tc.value_lines)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|