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core: check for overflow when handling scaled MemoryLimit= settings

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Just in case...
This commit is contained in:
Lennart Poettering
2016-07-22 15:30:23 +02:00
parent 79baeeb96d
commit b3785cd5e6
1 changed files with 2 additions and 2 deletions
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4
src/core/load-fragment.c
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@ -2823,8 +2823,8 @@ int config_parse_memory_limit(
} else
bytes = physical_memory_scale(r, 100U);
if (bytes < 1) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Memory limit '%s' too small. Ignoring.", rvalue);
if (bytes <= 0 || bytes >= UINT64_MAX) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Memory limit '%s' out of range. Ignoring.", rvalue);
return 0;
}
}