Date: Sat, 2 Aug 2025 05:32:01 GMT From: Romain =?utf-8?Q?Tarti=C3=A8re?= <romain@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: e4624465c16a - stable/13 - vm_page: Fix loading bad memory addresses from file Message-ID: <202508020532.5725W18b069209@gitrepo.freebsd.org>
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The branch stable/13 has been updated by romain: URL: https://cgit.FreeBSD.org/src/commit/?id=e4624465c16adb0e60a6b0edeb570dc103b40831 commit e4624465c16adb0e60a6b0edeb570dc103b40831 Author: Romain Tartière <romain@FreeBSD.org> AuthorDate: 2025-07-25 18:31:57 +0000 Commit: Romain Tartière <romain@FreeBSD.org> CommitDate: 2025-08-02 05:31:38 +0000 vm_page: Fix loading bad memory addresses from file When loading bad memory addresses from a file, we are passed an end pointer that points on the first byte after the buffer. We want the buffer to be null-terminated (by changing the last byte to \0 if it is reasonable to do so), so adjust the end pointer to be on that byte. Approved by: kib, markj MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D51433 (cherry picked from commit 202f8bde836dc86627be2b5b98174d9a0fb2eaba) --- sys/vm/vm_page.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index d21022930396..ed43a05f0e64 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -393,7 +393,7 @@ vm_page_blacklist_load(char **list, char **end) } *list = ptr; if (ptr != NULL) - *end = ptr + len; + *end = ptr + len - 1; else *end = NULL; return;
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