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hwasan_symbolize: allow 0x in the address field 

Summary:
Fix parsing of mangled stack trace lines where the address has been
replaced with "0x", literally.

Reviewers: vitalybuka

Subscribers: #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D73823
This commit is contained in:
Evgenii Stepanov 2020-01-31 18:10:17 -08:00
parent 0dc634babf
commit 6da6153759
1 changed files with 2 additions and 2 deletions
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4
compiler-rt/lib/hwasan/scripts/hwasan_symbolize
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@ -119,7 +119,7 @@ class Symbolizer:
def symbolize_line(line, symbolizer_path):
#0 0x7f6e35cf2e45 (/blah/foo.so+0x11fe45)
match = re.match(r'^(.*?)#([0-9]+)( *)(0x[0-9a-f]+) *\((.*)\+(0x[0-9a-f]+)\)', line, re.UNICODE)
match = re.match(r'^(.*?)#([0-9]+)( *)(0x[0-9a-f]*) *\((.*)\+(0x[0-9a-f]+)\)', line, re.UNICODE)
if match:
frameno = match.group(2)
binary = match.group(5)
@ -144,7 +144,7 @@ def save_access_address(line):
match = re.match(r'^(.*?)HWAddressSanitizer: tag-mismatch on address (0x[0-9a-f]+) ', line, re.UNICODE)
if match:
last_access_address = int(match.group(2), 16)
match = re.match(r'^(.*?) of size [0-9]+ at 0x[0-9a-f]+ tags: ([0-9a-f]+)/[0-9a-f]+ \(ptr/mem\)', line, re.UNICODE)
match = re.match(r'^(.*?) of size [0-9]+ at 0x[0-9a-f]* tags: ([0-9a-f]+)/[0-9a-f]+ \(ptr/mem\)', line, re.UNICODE)
if match:
last_access_tag = int(match.group(2), 16)