The branch main has been updated by kib:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=347cec10e25eacb2906a0a8105eff036850db766

commit 347cec10e25eacb2906a0a8105eff036850db766
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2026-03-05 08:37:23 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2026-03-05 23:43:55 +0000

    amd64: align stack on 16 bytes when calling into a EFIRT method
    
    Reported by:    Abdelkader Boudih
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/amd64/amd64/efirt_support.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/amd64/amd64/efirt_support.S b/sys/amd64/amd64/efirt_support.S
index 98063ad561aa..54578f573750 100644
--- a/sys/amd64/amd64/efirt_support.S
+++ b/sys/amd64/amd64/efirt_support.S
@@ -58,6 +58,7 @@ ENTRY(efi_rt_arch_call)
        cmovbl  %eax, %ecx
        shll    $3, %ecx
        subq    %rcx, %rsp
+       andq    $~0xf, %rsp
 
        cmpl    $0, %ebx
        jz      1f

Reply via email to