bindings: close after reading module struct #2792
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Do not let the module struct to be deallocated by `uv_dclose` before reading data from it.
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LGTM |
| char errmsg[1024]; | ||
| snprintf(errmsg, | ||
| sizeof(errmsg), | ||
| "Module version mismatch. Expected %d, got %d.", | ||
| NODE_MODULE_VERSION, mp->nm_version); | ||
| uv_dlclose(&lib); |
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mp->nm_version is a pointer to memory from the shared object? Can you add a comment explaining that? It's not very obvious from just looking at the code.
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It is, I'll add the comment.
ChALkeR
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LGTM2 |
indutny
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Sep 10, 2015
Do not let the module struct to be deallocated by `uv_dlclose` before reading data from it. PR-URL: #2792 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
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Landed in a6d674d, thank you! |
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@rvagg I suggest to backport this to 4.0 |
indutny
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Sep 11, 2015
Do not let the module struct to be deallocated by `uv_dlclose` before reading data from it. PR-URL: #2792 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
indutny
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Sep 12, 2015
Do not let the module struct to be deallocated by `uv_dlclose` before reading data from it. PR-URL: #2792 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
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Do not let the module struct to be deallocated by
uv_dclosebeforereading data from it.
Found it while investigating: #2791 (comment)
cc @nodejs/collaborators