Standalone portable header-based implementation of FORTIFY_SOURCE=3 http://git.dustri.org/fortify-headers/atom?h=experimental 2024-10-10T13:50:40Z 2024-10-10T13:50:40Z jvoisin 2024-10-10T13:50:40Z urn:sha1:e2cfd2879a15db00dfa9a42eeb1baaef6a930aff ``` Core was generated by `scripts/mod/modpost -M -m -o Module.symvers -n -T modules.order vmlinux.o'. Program terminated with signal SIGSEGV, Segmentation fault. warning: 17 src/string/strlen.c: No such file or directory (gdb) bt ``` > I think strncpy logic is broken: `__fh_size_t max_len_s = strlen(__s);` may try read past `size_t __n`. > Create a buf without any trailing `\0`, do `strncpy(dest, buf, sizeof(buf));`, it should work, since `strncpy` will stop at `sizeof buf` > but the current fority-headers implementation will do `strlen(buf)`, which will go boom when it is not terminated with \0 Reported-by: ncopa 2023-06-14T12:59:11Z jvoisin 2023-06-14T12:59:11Z urn:sha1:cb1ce9e1815a492de0f13c2b046b8472024b9f6d