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Date:      Tue, 19 Aug 2025 23:03:11 GMT
From:      John-Mark Gurney <jmg@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 740b879c6ade - main - arm64: prevent panic when using syscall mux + large arg call (mmap)
Message-ID:  <202508192303.57JN3Blu036377@gitrepo.freebsd.org>

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The branch main has been updated by jmg:

URL: https://cgit.FreeBSD.org/src/commit/?id=740b879c6ade531adebeba7cd2f261bbe650797f

commit 740b879c6ade531adebeba7cd2f261bbe650797f
Author:     John-Mark Gurney <jmg@FreeBSD.org>
AuthorDate: 2025-08-18 20:25:37 +0000
Commit:     John-Mark Gurney <jmg@FreeBSD.org>
CommitDate: 2025-08-19 22:37:07 +0000

    arm64: prevent panic when using syscall mux + large arg call (mmap)
    
    if the syscall muxes are used, up to two additional arguments
    may be required.  This means that the 8 required for mmap increases
    up to 10 (for __syscall).
    
    Sponsored by:   Juniper Networks, Inc.
---
 sys/arm64/arm64/elf32_machdep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/arm64/elf32_machdep.c b/sys/arm64/arm64/elf32_machdep.c
index 7cd5327b9f1b..5c81c6cdce3d 100644
--- a/sys/arm64/arm64/elf32_machdep.c
+++ b/sys/arm64/arm64/elf32_machdep.c
@@ -195,7 +195,7 @@ freebsd32_fetch_syscall_args(struct thread *td)
 	register_t *ap;
 	struct syscall_args *sa;
 	int error, i, nap, narg;
-	unsigned int args[4];
+	unsigned int args[6];
 
 	nap = 4;
 	p = td->td_proc;



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