> In our code we use setns system call. [In] valgrind version (3.8.1), it seems
> like this syscall is not handled.
>
>
> --2726-- WARNING: unhandled syscall: 308
> --2726-- You may be able to write your own handler.
> --2726-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
> --2726-- Nevertheless we consider this a bug. Please report
> --2726-- it at http://valgrind.org/support/bug_reports.html.
Version 3.9.0 was released about 7 or 8 months ago. Why not upgrade?
You should tell us which hardware architecture and which operating system.
Because the setns system call:
int setns(int fd, int nstype);
does not reference memory, then setns is a no-operation as far as memcheck is
concerned.
Write an empty subroutine and put its address into the table:
static SyscallTableEntry syscall_table[] = { ... };
Then submit your patch at the indicated URL.
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