mirror of https://github.com/hak5/openwrt.git
4bb9af48ca
Lua's LNUM patch currently doesn't parse properly certain numbers as it's visible from the following simple tests. On x86_64 host (stock Lua 5.1.5, expected output): $ /usr/bin/lua -e 'print(0x80000000); print(0x80000000000); print(0x100000000)' 2147483648 8796093022208 4294967296 On x86_64 host: $ staging_dir/hostpkg/bin/lua -e 'print(0x80000000); print(0x80000000000); print(0x100000000)' -2147483648 0 0 On x86_64 target: $ lua -e 'print(0x80000000); print(0x80000000000); print(0x100000000)' -2147483648 0 0 On ath79 target: $ lua -e 'print(0x80000000); print(0x80000000000); print(0x100000000)' -2147483648 8796093022208 4294967296 It's caused by two issues fixed in this patch, first issue is caused by unhadled strtoul overflow and second one is caused by the cast of unsigned to signed Lua integer when parsing from hex literal. Run tested on: * Zidoo Z9S with RTD1296 CPU (aarch64_cortex-a53) * qemu/x86_64 * qemu/armvirt_64 * ath79 Signed-off-by: Liangbin Lian <jjm2473@gmail.com> [commit subject/message touches, fixed From to match SOB, fixed another unhandled case in luaO_str2i, host Lua, package bump] Signed-off-by: Petr Štetiar <ynezz@true.cz> |
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