On Wed, 27 Sep 2023 23:29:33 +1000, Greg Ungerer wrote:
> The binfmt_elf_fdpic loader has some debug trace that can be enabled at
> build time. The recent 64-bit additions cause some warnings if that
> debug is enabled, such as:
>
> fs/binfmt_elf_fdpic.c: In function ‘elf_fdpic_map_file’:
> fs/binfmt_elf_fdpic.c:46:33: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 3 has type ‘Elf64_Addr’ {aka ‘long long unsigned int’} [-Wformat=]
> 46 | #define kdebug(fmt, ...) printk("FDPIC "fmt"\n" ,##__VA_ARGS__ )
> | ^~~~~~~~
> ./include/linux/printk.h:427:25: note: in definition of macro ‘printk_index_wrap’
> 427 | _p_func(_fmt, ##__VA_ARGS__); \
> | ^~~~
>
> [...]
Applied to for-next/execve, thanks!
[1/1] binfmt_elf_fdpic: clean up debug warnings
https://git.kernel.org/kees/c/35bcdcf3d50c
Take care,
--
Kees Cook
