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| From: | Friedrich Beckmann |
| Subject: | PSPP-BUG: [bug #58968] regression tests 403, 493, 545 fail for 1.4.0 on some architectures |
| Date: | Mon, 17 Aug 2020 16:05:38 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.2 Safari/605.1.15 |
Follow-up Comment #4, bug #58968 (project pspp):
The actual crash happened in memcpy due to unaligned access
So the problem started here:
https://git.savannah.gnu.org/cgit/pspp.git/tree/src/output/charts/barchart.c?id=738cf48684a7dfd5551b113b8245ec8c5ba11c35#n299
with the call of freq_clone with n_vars=3 and ended then here:
https://git.savannah.gnu.org/cgit/pspp.git/tree/src/language/stats/freq.c?id=738cf48684a7dfd5551b113b8245ec8c5ba11c35#n40
where widths[2] was accessed which ends up with segfault on i386. Maybe on
64Bit this was just luck because the values are not used in the barchart?
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