Hi Ákos, On Mon, Mar 22, 2021 at 10:50 AM Szőts Ákos <szotsaki@xxxxxxxxx> wrote: > > Dear Michael, > > I found a documentation deficiency on [1] in /proc/<pid>/stat file (Table > 1-4). May I ask you to indicate in this table that ESP and EIP have non-zero > values only when the process is exiting or dumping core and the calling > process has the permission for PTRACE_MODE_READ_FSCREDS | PTRACE_MODE_NOAUDIT. > For implementation reference see [2]. You're pointing to the in-kernel documentation (link [1]). As far as I know, that's not maintained by the man-pages project, so they might not be able to help with changing that. The man page for proc is here though: https://man7.org/linux/man-pages/man5/procfs.5.html, maybe the info can be added there? > > Please, also note that for many of the reported numbers in this table the > aforementioned permissions are needed to be displayed correctly (as non- > zeroes). They are start_code, end_code, start_stack, esp, eip, wchan, > start_data, end_data, start_brk, arg_start, arg_end, env_start, env_end, and > exit_code. > > A small addition: I also observed that on [3] the "blog" points to 404. I get an SSL error in Firefox ("Secure Connection Failed" and "PR_END_OF_FILE_ERROR") when trying to click the blog link (https://blog.man7.org/). Stefan. > > Thank you and all the best, > > Ákos > > [1]: https://www.kernel.org/doc/html/latest/filesystems/proc.html > [2]: https://github.com/torvalds/linux/blob/master/fs/proc/array.c#L481-L502 > [3]: https://www.kernel.org/doc/man-pages/maintaining.html