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Allow permission line in /proc/self/map to be "rwx", not just "r-x". At

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least in Ubuntu14, a binary file that's writable by the process owner
has permission "rwx", not "r-x".
This commit is contained in:
Yaz Saito on W541 2016-04-11 14:35:42 -07:00
parent f176cc8454
commit d630221933
1 changed files with 2 additions and 2 deletions
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4
src/symbolize.cc
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@ -569,8 +569,8 @@ OpenObjectFileContainingPcAndGetStartAddress(uint64_t pc,
return -1; // Malformed line.
}
// Check flags. We are only interested in "r-x" maps.
if (memcmp(flags_start, "r-x", 3) != 0) { // Not a "r-x" map.
// Check flags. We are only interested in "r*x" maps.
if (flags_start[0] != 'r' || flags_start[2] != 'x') {
continue; // We skip this map.
}
++cursor; // Skip ' '.