tree c0fc57758282b4e6c86bd9f2b3555181f31354b0
parent e7d4559b0173596f29ceb5ba7da653b023067783
author George Liu <liuxiwei@ieisystem.com> 1726622573 +0800
committer George Liu <liuxiwei@ieisystem.com> 1726627158 +0800

user_mgr: Fix potential out-of-bounds access

If the sysconf method returns -1, an out-of-bounds access problem
will occur when declaring the following vector:
```
std::vector<char> buffer(buflen);
```

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I1887cc418c40b01d839f9c0e25bef09a2605973b