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librc: use return value of rc_getline for len instead of the buffer size #744

Merged
merged 1 commit into from
Sep 18, 2024
Merged

librc: use return value of rc_getline for len instead of the buffer size #744

merged 1 commit into from
Sep 18, 2024

Commits on Sep 18, 2024

  1. librc: Use proper string length in file_regex. 

    Currently the code uses the total size of the buffer as the bounds for
looping \0 separated fields, which leads to reading uninitialized data
and possibly overrun the buffer during regexec.

Observed on musl while matching /proc/cpuinfo.
    @navi-desu
    navi-desu committed Sep 18, 2024
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