Re: [PATCH v2 04/10] seccomp.2: Use syscall(SYS_...); for system calls without a wrapper

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On 5/25/21 6:19 AM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>

This patch doesn't apply. Probably because I dropped 3/10?

Thanks,

Michael

> ---
>  man2/seccomp.2 | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/man2/seccomp.2 b/man2/seccomp.2
> index 1be7d6766..0f3f30767 100644
> --- a/man2/seccomp.2
> +++ b/man2/seccomp.2
> @@ -37,13 +37,18 @@ seccomp \- operate on Secure Computing state of the process
>  .BR "#include <sys/ptrace.h>" "     /* Definition of " PTRACE_* " constants */"
>  .\" Kees Cook noted: Anything that uses SECCOMP_RET_TRACE returns will
>  .\"                  need <sys/ptrace.h>
> +.BR "#include <sys/syscall.h>" "    /* Definition of " SYS_* " constants */"
> +.B #include <unistd.h>
>  .PP
> -.BI "int seccomp(unsigned int " operation ", unsigned int " flags \
> -", void *" args );
> +.BI "int syscall(SYS_seccomp, unsigned int " operation ", unsigned int " flags ,
> +.BI "            void *" args );
>  .fi
>  .PP
>  .IR Note :
> -There is no glibc wrapper for this system call; see NOTES.
> +glibc provides no wrapper for
> +.BR seccomp (),
> +necessitating the use of
> +.BR syscall (2).
>  .SH DESCRIPTION
>  The
>  .BR seccomp ()
> @@ -858,9 +863,6 @@ Tile (since Linux 4.3)
>  PA-RISC (since Linux 4.6)
>  .\" User mode Linux since Linux 4.6
>  .PD
> -.PP
> -Glibc does not provide a wrapper for this system call; call it using
> -.BR syscall (2).
>  .\"
>  .SS Caveats
>  There are various subtleties to consider when applying seccomp filters
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/



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