SYD-MDWE(1)                 General Commands Manual                SYD-MDWE(1)

<?><?><?> (NAME)
       syd-mdwe - <?><?><?><?><?> <?><?><?><?><?> <?><?><?><?><?>
       <?><?><?><?><?> <?><?> <?><?><?><?> (MDWE) <?><?> syd

<?><?><?><?><?> <?><?><?><?><?> (SYNOPSIS)
       syd-mdwe [-hms] {command [args...]}

<?><?><?><?><?><?><?> (DESCRIPTION)
       <?><?><?><?><?> syd-mdwe <?><?> <?><?><?><?><?><?> <?><?> <?><?><?>
       <?><?><?><?><?><?><?><?><?> <?><?><?><?><?> <?><?><?><?><?> <?><?>
       <?><?><?><?> (MDWE <?><?> Memory-Deny-Write-Execute) <?><?><?><?>
       <?><?><?><?><?><?>. <?><?><?> <?><?><?><?><?><?><?><?> <?><?>
       <?><?><?><?><?><?><?> <?><?> <?><?><?><?><?><?><?> <?><?> prctl(2) <?>
       seccomp(2) <?><?><?><?><?> <?><?><?><?> <?><?><?>
       <?><?><?><?><?><?><?><?> <?><?> <?><?><?><?> Syd <?><?><?><?><?><?>
       <?><?><?><?><?><?><?> <?><?><?><?><?> <?><?><?><?><?><?>
       <?><?><?><?><?> <?><?><?><?><?>.

<?><?><?><?><?><?><?><?> (OPTIONS)

       -h   <?><?><?><?><?> <?><?><?><?><?><?>.
       -m   <?><?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?><?><?> MDWE
            <?><?> <?><?><?><?><?><?><?> <?><?> prctl(2) PR_SET_MDWE
            (<?><?><?><?><?><?><?>: <?><?> <?><?>).
       -s   <?><?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?><?><?> MDWE
            <?><?> <?><?><?><?><?><?><?> <?><?> seccomp(2)
            (<?><?><?><?><?><?><?>: <?><?> <?><?>).


<?><?><?><?><?><?><?> (EXAMPLES)
       <?><?> <?><?><?><?><?> <?><?><?><?><?><?> pax-test
       <?><?><?><?><?><?><?> <?><?><?><?><?> <?> <?><?><?><?><?><?> <?><?><?>
       syd-mdwe(1) <?><?><?> <?><?><?><?> <?><?><?><?> 6.8<?>
       <?><?><?><?><?><?><?><?><?> <?><?><?> <?><?><?><?> <?><?><?><?><?><?>:

       +------------------+------------+--------+
       |PaX Testcase      | standalone |  mdwe  |
       +------------------+------------+--------+
       |Executable        |   Killed   | Killed |
       |anonymous mapping |            |        |
       +------------------+------------+--------+
       |Executable bss    |   Killed   | Killed |
       +------------------+------------+--------+
       |Executable data   |   Killed   | Killed |
       +------------------+------------+--------+
       |Executable heap   |   Killed   | Killed |
       +------------------+------------+--------+
       |Executable stack  |   Killed   | Killed |
       +------------------+------------+--------+
       |Executable shared |   Killed   | Killed |
       |library bss       |            |        |
       +------------------+------------+--------+
       |Executable shared |   Killed   | Killed |
       |library data      |            |        |
       +------------------+------------+--------+
       |Executable        | Vulnerable | Killed |
       |anonymous mapping |            |        |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable bss    | Vulnerable | Killed |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable data   | Vulnerable | Killed |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable heap   | Vulnerable | Killed |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable stack  | Vulnerable | Killed |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable shared | Vulnerable | Killed |
       |library bss       |            |        |
       |(mprotect)        |            |        |
       +------------------+------------+--------+
       |Executable shared | Vulnerable | Killed |
       |library data      |            |        |
       |(mprotect):       |            |        |
       +------------------+------------+--------+
       |Writable text     | Vulnerable | Killed |
       |segments          |            |        |
       +------------------+------------+--------+
       <?><?><?> <?><?><?><?><?> <?><?> paxtest-0.9.15 <?><?><?><?><?>
       <?><?><?> <?><?><?>:

           PaXtest - Copyright(c) 2003-2016 by Peter Busser <peter@adamantix.org> and Brad Spengler <spender@grsecurity.net>
           Released under the GNU Public Licence version 2 or later

           Mode: 1
           Blackhat
           Kernel:
           Linux syd 6.8.0-syd-13213-g70293240c5ce #9 SMP PREEMPT_DYNAMIC Mon Mar 25 04:40:47 CET 2024 x86_64 GNU/Linux

<?><?><?><?><?> <?><?><?><?> (EXIT STATUS)
       <?><?> <?><?><?><?> <?><?><?><?> <?><?><?><?><?> syd-mdwe <?><?>
       <?><?><?><?> <?><?> <?><?><?><?><?><?> <?><?><?><?><?> <?><?><?><?>
       <?><?><?><?><?><?>. <?><?> <?><?><?><?> <?><?><?><?><?>
       <?><?><?><?><?><?><?><?> <?><?> <?><?><?><?> <?><?><?> 128 <?><?>
       <?><?><?><?><?> <?><?><?><?><?> <?><?><?><?><?><?> <?><?><?><?><?>
       <?><?><?><?><?><?>. <?><?> <?><?><?><?><?> <?><?> <?><?><?><?><?>
       <?><?><?><?><?><?> <?><?><?><?><?> <?><?> <?><?><?><?> <?><?><?><?><?>
       <?><?><?><?> syd-mdwe <?><?> <?><?><?><?><?> errno(3) <?><?><?><?>
       <?><?><?><?><?><?>.

<?><?><?><?><?><?><?> (CAVEATS)
       <?><?><?><?><?><?> <?><?><?><?><?><?><?><?> <?><?><?><?> prctl(2)
       <?><?><?><?><?> <?><?><?><?><?> PR_SET_MDWE(2const) <?><?><?><?>
       <?><?><?><?>. <?><?><?><?> <?><?><?><?> <?><?><?><?> <?><?><?>
       <?><?><?> <?><?> <?><?><?><?><?> -m <?><?><?><?><?><?><?> <?><?><?><?>.
       <?><?><?> <?><?><?><?><?> <?><?><?> <?><?><?><?><?><?><?><?><?><?> MIPS
       <?><?> <?><?> <?><?><?><?><?> <?><?><?><?><?><?> <?><?><?><?><?><?><?>
       <?><?><?><?> <?><?><?><?> <?><?><?><?> <?><?><?><?> <?><?><?>
       <?><?><?><?><?><?><?>.

<?><?><?><?><?><?> <?><?><?><?><?><?> (SEE ALSO)
       syd(1), syd(2), syd(5), syd-lock(1), syd-ofd(1), syd-pds(1),
       syd-ring(1), syd-sec(1), syd-tsc(1), seccomp(2), prctl(2),
       PR_SET_MDWE(2const)

       <?><?><?><?> <?><?><?><?><?> syd: https://sydbox.exherbo.org

<?><?><?><?><?><?><?><?><?> (AUTHORS)
       <?><?><?><?><?><?><?><?> <?><?><?> <?><?><?><?> Ali Polatel.
       <?><?><?><?><?><?><?><?> <?><?><?><?><?><?> <?><?>
       <?><?><?><?><?><?><?> <?><?>
       https://gitlab.exherbo.org/sydbox/sydbox.git <?> <?><?><?> Radicle
       <?><?> rad:z38HCnbmcDegA2BMxuPaPRPMdp6wF <?><?><?><?>.
       <?><?><?><?><?><?><?>/<?><?><?><?><?><?><?> <?><?>
       <?><?><?><?><?><?><?> <?><?>
       https://gitlab.exherbo.org/groups/sydbox/-/issues <?><?><?><?><?>
       <?><?><?>. <?><?><?><?><?> <?><?> #sydbox <?><?> Libera Chat <?><?>
       <?><?> #sydbox:mailstation.de <?><?> Matrix.

                                  2026-09-01                       SYD-MDWE(1)