Date: Fri, 17 Apr 2026 04:45:36 +0000 From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 62a19cd59b54 - main - i386: mark the stack as non-executable Message-ID: <69e1baf0.33fd2.1370e827@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=62a19cd59b54a030c21a5529ed491ba2060140ca commit 62a19cd59b54a030c21a5529ed491ba2060140ca Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2026-04-17 04:41:49 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2026-04-17 04:44:18 +0000 i386: mark the stack as non-executable Sponsored by: Netflix Reviewed by: jhb Differential Revision: https://reviews.freebsd.org/D56411 --- sys/crypto/aesni/aeskeys_i386.S | 2 ++ sys/i386/i386/bioscall.S | 2 ++ sys/i386/i386/exception.S | 2 ++ sys/i386/i386/locore.S | 2 ++ sys/i386/i386/mpboot.S | 2 ++ sys/i386/i386/sigtramp.S | 2 ++ sys/i386/i386/support.S | 2 ++ sys/i386/i386/swtch.S | 2 ++ sys/kern/subr_ticks.S | 2 ++ 9 files changed, 18 insertions(+) diff --git a/sys/crypto/aesni/aeskeys_i386.S b/sys/crypto/aesni/aeskeys_i386.S index 770c21dbf938..789d1641c25e 100644 --- a/sys/crypto/aesni/aeskeys_i386.S +++ b/sys/crypto/aesni/aeskeys_i386.S @@ -269,3 +269,5 @@ ENTRY(aesni_set_deckey) retl .cfi_endproc END(aesni_set_deckey) + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/bioscall.S b/sys/i386/i386/bioscall.S index d4b13a7012fa..304707182267 100644 --- a/sys/i386/i386/bioscall.S +++ b/sys/i386/i386/bioscall.S @@ -156,3 +156,5 @@ CNAME(bios16_jmp): pushl %ecx /* return address */ movl $KCSEL,4(%esp) lret /* reload %cs on the way out */ + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/exception.S b/sys/i386/i386/exception.S index a2a59db3c836..394f59f4f82b 100644 --- a/sys/i386/i386/exception.S +++ b/sys/i386/i386/exception.S @@ -682,3 +682,5 @@ outofnmi: #endif ENTRY(end_exceptions) + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/locore.S b/sys/i386/i386/locore.S index dd9bdfc6c532..e51f1a237d9e 100644 --- a/sys/i386/i386/locore.S +++ b/sys/i386/i386/locore.S @@ -449,3 +449,5 @@ END(identify_cpu) ENTRY(hypercall_page) .skip 0x1000, 0x90 /* Fill with "nop"s */ #endif + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/mpboot.S b/sys/i386/i386/mpboot.S index a5367d57a88e..2ab3a6bde034 100644 --- a/sys/i386/i386/mpboot.S +++ b/sys/i386/i386/mpboot.S @@ -279,3 +279,5 @@ BOOTMP2: .globl bootMP_size bootMP_size: .long BOOTMP2 - BOOTMP1 + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/sigtramp.S b/sys/i386/i386/sigtramp.S index 11e13d3ded60..ad4157279fd1 100644 --- a/sys/i386/i386/sigtramp.S +++ b/sys/i386/i386/sigtramp.S @@ -133,3 +133,5 @@ szosigcode: sz_lcall_tramp: .long esigcode-lcall_tramp #endif + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/support.S b/sys/i386/i386/support.S index 982108a0b968..e5e39c9ec5d4 100644 --- a/sys/i386/i386/support.S +++ b/sys/i386/i386/support.S @@ -586,3 +586,5 @@ ENTRY(cpu_sync_core) pushl %eax iretl END(cpu_sync_core) + + .section .note.GNU-stack,"",%progbits diff --git a/sys/i386/i386/swtch.S b/sys/i386/i386/swtch.S index ad7c1d16c788..a82bcefd494e 100644 --- a/sys/i386/i386/swtch.S +++ b/sys/i386/i386/swtch.S @@ -453,3 +453,5 @@ ENTRY(resumectx) xorl %eax,%eax lret END(resumectx) + + .section .note.GNU-stack,"",%progbits diff --git a/sys/kern/subr_ticks.S b/sys/kern/subr_ticks.S index 5cb994293d91..29f44c7b2f78 100644 --- a/sys/kern/subr_ticks.S +++ b/sys/kern/subr_ticks.S @@ -40,3 +40,5 @@ ticks =ticksl + TICKS_OFFSET .type jiffies, %object jiffies = ticksl .size jiffies, __SIZEOF_LONG__ + + .section .note.GNU-stack,"",%progbitshome | help
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