diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2021-3409_1.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2021-3409_1.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_1.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_1.patch new file mode 100644 index 0000000000..f9395add43 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_1.patch @@ -0,0 +1,56 @@ +From c01ae9a35b3c6b4a8e1f1bfa0a0caafe394f8b5c Mon Sep 17 00:00:00 2001 +From: Bin Meng <bmeng.cn@gmail.com> +Date: Tue, 16 Feb 2021 11:46:52 +0800 +Subject: [PATCH 1/6] hw/sd: sdhci: Simplify updating s->prnsts in + sdhci_sdma_transfer_multi_blocks() +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +s->prnsts is updated in both branches of the if () else () statement. +Move the common bits outside so that it is cleaner. + +Signed-off-by: Bin Meng <bmeng.cn@gmail.com> +Tested-by: Alexander Bulekov <alxndr@bu.edu> +Reviewed-by: Alexander Bulekov <alxndr@bu.edu> +Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> +Message-Id: <1613447214-81951-5-git-send-email-bmeng.cn@gmail.com> +Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> + +Upstream-Status: Backport [8bc1f1aa51d32c3184e7b19d5b94c35ecc06f056] +CVE: CVE-2021-3409 + +Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com> +--- + hw/sd/sdhci.c | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c +index 2f8b74a84..f83c5e295 100644 +--- a/hw/sd/sdhci.c ++++ b/hw/sd/sdhci.c +@@ -596,9 +596,9 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) + page_aligned = true; + } + ++ s->prnsts |= SDHC_DATA_INHIBIT | SDHC_DAT_LINE_ACTIVE; + if (s->trnmod & SDHC_TRNS_READ) { +- s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT | +- SDHC_DAT_LINE_ACTIVE; ++ s->prnsts |= SDHC_DOING_READ; + while (s->blkcnt) { + if (s->data_count == 0) { + sdbus_read_data(&s->sdbus, s->fifo_buffer, block_size); +@@ -625,8 +625,7 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) + } + } + } else { +- s->prnsts |= SDHC_DOING_WRITE | SDHC_DATA_INHIBIT | +- SDHC_DAT_LINE_ACTIVE; ++ s->prnsts |= SDHC_DOING_WRITE; + while (s->blkcnt) { + begin = s->data_count; + if (((boundary_count + begin) < block_size) && page_aligned) { +-- +2.29.2 + |