mirror of https://github.com/postgres/postgres
17901b0137
If postmaster changed postmaster.pid while pg_ctl was reading it, pg_ctl could overrun the buffer it allocated for the file. Fix by reading the whole file to memory with one read() call. initdb contains an identical copy of the readfile() function, but the files that initdb reads are static, not modified concurrently. Nevertheless, add a simple bounds-check there, if only to silence static analysis tools. Per report from Dave Vitek. Backpatch to all supported branches. |
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