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Wed, 19 Feb 2025 14:14:25 GMT (envelope-from git) Date: Wed, 19 Feb 2025 14:14:25 GMT Message-Id: <202502191414.51JEEPD3038229@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Olivier Certner Subject: git: 32e77bcdec5c - main - vm_phys_early_startup(): Panic if phys_avail[] is empty List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: olce X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 32e77bcdec5c034a9252876aa018f0bf34b36dbc Auto-Submitted: auto-generated The branch main has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=32e77bcdec5c034a9252876aa018f0bf34b36dbc commit 32e77bcdec5c034a9252876aa018f0bf34b36dbc Author: Olivier Certner AuthorDate: 2024-10-28 16:59:57 +0000 Commit: Olivier Certner CommitDate: 2025-02-19 14:13:27 +0000 vm_phys_early_startup(): Panic if phys_avail[] is empty Reviewed by: markj MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D48631 --- sys/vm/vm_phys.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c index 82272be1a6c9..ca6bec8b8b9f 100644 --- a/sys/vm/vm_phys.c +++ b/sys/vm/vm_phys.c @@ -2017,6 +2017,9 @@ vm_phys_early_startup(void) struct vm_phys_seg *seg; int i; + if (phys_avail[1] == 0) + panic("phys_avail[] is empty"); + for (i = 0; phys_avail[i + 1] != 0; i += 2) { phys_avail[i] = round_page(phys_avail[i]); phys_avail[i + 1] = trunc_page(phys_avail[i + 1]);