[Bug 269934] emulators/qemu-user-static does not support capability mode system calls

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 03 Mar 2023 08:26:12 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269934

            Bug ID: 269934
           Summary: emulators/qemu-user-static does not support capability
                    mode system calls
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: emulation@FreeBSD.org
          Reporter: delphij@FreeBSD.org
          Assignee: emulation@FreeBSD.org
             Flags: maintainer-feedback?(emulation@FreeBSD.org)

Prompted by bug #269185 .

Currently, cap_enter would return ENOSYS, e.g. in bsd-user/freebsd/os-proc.h:

/* cap_enter(2) */
static inline abi_long do_freebsd_cap_enter(void)
{

    qemu_log("qemu: Unsupported syscall cap_enter()\n");
    return -TARGET_ENOSYS;
}

can the capability mode system calls be supported?

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