Fix unsigned int overflow reported by UBSan#761
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mayeut merged 2 commits intouclouvain:masterfrom Apr 28, 2016
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Please add -DOPJ_UBSAN_BUILD to CFLAGS when building with -fsanitize=undefined,unsigned-integer-overflow It seems clang/gcc do not allow to disable checking for block of code other than function or file.
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I missed this. Now the nightly dashboard submission from dora.c-s.fr for ubsan will include this -DOPJ_UBSAN_BUILD (both gcc and clang). Though I'm not sure to understand why we end up in the assert while the file should be rejected (should openpeg fail earlier ?). Also I don't understand the your comment "It seems clang/gcc do not allow to disable checking for block of code other than function or file." : opj_bio_read/write get inlined so the OPJ_NOSANITIZE() does not work ? |
rouault
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Jun 17, 2017
Remove OPJ_NOSANITIZE in opj_bio_read() and opj_bio_write() (#761)
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Please add -DOPJ_UBSAN_BUILD to CFLAGS when building with
-fsanitize=undefined,unsigned-integer-overflow
It seems clang/gcc do not allow to disable checking for block of code
other than function or file.
Update #718