feat: Upload event attachment #3
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mitsuhiko
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Mar 7, 2019
mitsuhiko
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azat
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Sep 6, 2022
Update modulefinder to compile on riscv
Strive-Sun
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supervacuus
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This is in response to CodeQL security scan alert #1-#3. `Elf[32|64]_Ehdr[.e_phnum|.e_phentsize|.e_shnum|.e_shentsize]` are all `uint16_t`, this means the loop-var `i` is bounded by `uint16_t` and should fit in a `uint32_t` (to prevent unsigned overflow in the loop). A switch to unsigned still makes sense, because we reduce the future chance of unnecessary signed overflow (=UB) in the loop body. All program/section-header table entry sizes are cast to `uin64_t` even though the multiplication is bound to `uint32_t` by both factors being bound by `uint16_t`. This fixes the potential overflow before conversion to the bigger type.
supervacuus
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Oct 28, 2024
* fix: remove a potential overflow before conversion This is in response to CodeQL security scan alert #1-#3. `Elf[32|64]_Ehdr[.e_phnum|.e_phentsize|.e_shnum|.e_shentsize]` are all `uint16_t`, this means the loop-var `i` is bounded by `uint16_t` and should fit in a `uint32_t` (to prevent unsigned overflow in the loop). A switch to unsigned still makes sense, because we reduce the future chance of unnecessary signed overflow (=UB) in the loop body. All program/section-header table entry sizes are cast to `uin64_t` even though the multiplication is bound to `uint32_t` by both factors being bound by `uint16_t`. This fixes the potential overflow before conversion to the bigger type. * also safely cast the access to section header string table.
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