git: f32130a1955e - releng/13.0 - amd64/linux*: add required header to get the constant value

[Mark Johnston]

The branch releng/13.0 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=f32130a1955e40476fc3c15e4d32e80e32b7c42c

commit f32130a1955e40476fc3c15e4d32e80e32b7c42c
Author:     Konstantin Belousov <kib at FreeBSD.org>
AuthorDate: 2021-05-25 22:19:44 +0000
Commit:     Mark Johnston <markj at FreeBSD.org>
CommitDate: 2021-05-26 19:31:50 +0000

    amd64/linux*: add required header to get the constant value
    
    Otherwise asm silently interpret it as the external global symbol.
    
    Approved by:    so
    Security:       FreeBSD-SA-21:11.smap
    Security:       CVE-2021-29628
    Reported by:    bz
    Sponsored by:   The FreeBSD Foundation
    Fixes:  91aae953cb80
    
    (cherry picked from commit a59f0285377aa3d61cccda64e9ade126ecb3d2d9)
    (cherry picked from commit 876ffe28796c4a81fbedcdaa4d7e4527cd1c79c5)
---
 sys/amd64/linux/linux_support.s     | 1 +
 sys/amd64/linux32/linux32_support.s | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sys/amd64/linux/linux_support.s b/sys/amd64/linux/linux_support.s
index 2de778e151bf..4826cbed0ef2 100644
--- a/sys/amd64/linux/linux_support.s
+++ b/sys/amd64/linux/linux_support.s
@@ -30,6 +30,7 @@
 
 #include "linux_assym.h"		/* system definitions */
 #include <machine/asmacros.h>		/* miscellaneous asm macros */
+#include <machine/specialreg.h>
 
 #include "assym.inc"
 
diff --git a/sys/amd64/linux32/linux32_support.s b/sys/amd64/linux32/linux32_support.s
index 7ff3e2293f6e..e035b4f156b4 100644
--- a/sys/amd64/linux32/linux32_support.s
+++ b/sys/amd64/linux32/linux32_support.s
@@ -30,6 +30,7 @@
 
 #include "linux32_assym.h"		/* system definitions */
 #include <machine/asmacros.h>		/* miscellaneous asm macros */
+#include <machine/specialreg.h>
 
 #include "assym.inc"