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Fixes potential buffer overflow in getsockopt for timevals

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struct timeval is a possible return value of getsockopt (e.g. SO_RCVTIMEO
and SO_SNDTIMEO), but it is not included in the scm_t_getsockopt_result
union, which may then be too small (and is on Debian amd64).
* libguile/socket.c: add struct timeval to scm_t_getsockopt union

[rlb@defaultvalue.org: adjust commit message; add NEWS]

Closes: 76907
This commit is contained in:
Michael Gran 2025-03-08 18:42:35 -08:00 • committed by Rob Browning
parent 402e0dfa33
commit 4af6331a65
2 changed files with 4 additions and 1 deletions
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NEWS
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@ -96,6 +96,8 @@ every line in a file.
** r6rs-ports.test custom ports tests should no longer fail on stray closes
Previously the custom ports weren't explicitly closed, causing
GC-related closes to produce spurious "log" events in other tests.
** getsockopt no longer risks a buffer overrun with timestamps
(<https://bugs.gnu.org/76907>)
Changes in 3.0.10 (since 3.0.9)