diff options
Diffstat (limited to 'gnu/packages/patches/qemu-CVE-2016-2197.patch')
| -rw-r--r-- | gnu/packages/patches/qemu-CVE-2016-2197.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2016-2197.patch b/gnu/packages/patches/qemu-CVE-2016-2197.patch deleted file mode 100644 index d851e1ec75..0000000000 --- a/gnu/packages/patches/qemu-CVE-2016-2197.patch +++ /dev/null @@ -1,40 +0,0 @@ -From: John Snow <jsnow@redhat.com> -Date: Wed, 10 Feb 2016 13:29:40 -0500 -Subject: [PATCH] ahci: Do not unmap NULL addresses - -Definitely don't try to unmap a garbage address. - -Reported-by: Zuozhi fzz <zuozhi.fzz@alibaba-inc.com> -Signed-off-by: John Snow <jsnow@redhat.com> -Message-id: 1454103689-13042-2-git-send-email-jsnow@redhat.com -(cherry picked from commit 99b4cb71069f109b79b27bc629fc0cf0886dbc4b) ---- - hw/ide/ahci.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c -index 17f1cbd..cdc9299 100644 ---- a/hw/ide/ahci.c -+++ b/hw/ide/ahci.c -@@ -661,6 +661,10 @@ static bool ahci_map_fis_address(AHCIDevice *ad) - - static void ahci_unmap_fis_address(AHCIDevice *ad) - { -+ if (ad->res_fis == NULL) { -+ DPRINTF(ad->port_no, "Attempt to unmap NULL FIS address\n"); -+ return; -+ } - dma_memory_unmap(ad->hba->as, ad->res_fis, 256, - DMA_DIRECTION_FROM_DEVICE, 256); - ad->res_fis = NULL; -@@ -677,6 +681,10 @@ static bool ahci_map_clb_address(AHCIDevice *ad) - - static void ahci_unmap_clb_address(AHCIDevice *ad) - { -+ if (ad->lst == NULL) { -+ DPRINTF(ad->port_no, "Attempt to unmap NULL CLB address\n"); -+ return; -+ } - dma_memory_unmap(ad->hba->as, ad->lst, 1024, - DMA_DIRECTION_FROM_DEVICE, 1024); - ad->lst = NULL; |