[Bug 255862] [PATCH] dev/acpica: Fix a double free in acpi_pci_link_route_irqs

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 26 May 2021 14:50:15 UTC

--- Comment #1 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit 4cf33275289088e3b0a913a44b5cd549e348094d
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2021-05-26 14:34:39 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2021-05-26 14:49:30 +0000

    acpi: Add missing error handling to acpi_pci_link_route_irqs()

    Otherwise the resouce buffer may have been freed when
    AcpiSetCurrentResources() is called, leading to a use-after-free.

    PR:             255862
    Submitted by:   Lv Yunlong <lylgood@foxmail.com> (original version)
    MFC after:      1 week

 sys/dev/acpica/acpi_pci_link.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

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