https://sourceware.org/bugzilla/show_bug.cgi?id=30150
Bug ID: 30150
Summary: addr2line returns wrong results after several
thousands of requests in pipe mode
Product: binutils
Version: 2.40
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: lveyde at gmail dot com
Target Milestone: ---
It seems that after a few thousands of results (normally over 3000-4000) the
addr2line in pipe mode (with -fie option) begins to randomly return incorrect
results.
Most frequently it begins to return file names for addresses of symbols which
have not been defined in source files, that is instead of the expected ??:?
It must be noted that the incorrect results are returned randomly, that is only
for some of the requests.
However that seems to be consistent, that is the same wrong results are
returned if the same list of requests are repeated.
It must also be noted that addr2line is used to query quite large (~650 MB) ELF
executable (Linux kernel).
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