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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2022-11-20 21:35:54 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2022-12-06 23:09:48 +0100 |
| commit | 48025b8ac9c62ead241ea1daf1092993fb94aeac (patch) | |
| tree | af05ea4ee9d553e1ba3787accc412e04148d8c72 /target/linux/generic | |
| parent | 60e335b76ea0aeedd9f8e01d247f9aaa617076da (diff) | |
| download | upstream-48025b8ac9c62ead241ea1daf1092993fb94aeac.tar.gz upstream-48025b8ac9c62ead241ea1daf1092993fb94aeac.tar.bz2 upstream-48025b8ac9c62ead241ea1daf1092993fb94aeac.zip | |
kernel: ca8210: Fix crash by zero initializing data
This fixes crashes at bootup on pistachio.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic')
| -rw-r--r-- | target/linux/generic/pending-5.10/870-ca8210-Fix-crash-by-zero-initializing-data.patch | 30 | ||||
| -rw-r--r-- | target/linux/generic/pending-5.15/870-ca8210-Fix-crash-by-zero-initializing-data.patch | 30 |
2 files changed, 60 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/870-ca8210-Fix-crash-by-zero-initializing-data.patch b/target/linux/generic/pending-5.10/870-ca8210-Fix-crash-by-zero-initializing-data.patch new file mode 100644 index 0000000000..3f14988d9a --- /dev/null +++ b/target/linux/generic/pending-5.10/870-ca8210-Fix-crash-by-zero-initializing-data.patch @@ -0,0 +1,30 @@ +From 1e24c54da257ab93cff5826be8a793b014a5dc9c Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Mon, 21 Nov 2022 01:22:01 +0100 +Subject: ca8210: Fix crash by zero initializing data + +The struct cas_control embeds multiple generic SPI structures and we +have to make sure these structures are initialized to default values. +This driver does not set all attributes. When using kmalloc before some +attributes were not initialized and contained random data which caused +random crashes at bootup. + +Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver") +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +Link: https://lore.kernel.org/r/20221121002201.1339636-1-hauke@hauke-m.de +Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> +--- + drivers/net/ieee802154/ca8210.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ieee802154/ca8210.c ++++ b/drivers/net/ieee802154/ca8210.c +@@ -926,7 +926,7 @@ static int ca8210_spi_transfer( + + dev_dbg(&spi->dev, "%s called\n", __func__); + +- cas_ctl = kmalloc(sizeof(*cas_ctl), GFP_ATOMIC); ++ cas_ctl = kzalloc(sizeof(*cas_ctl), GFP_ATOMIC); + if (!cas_ctl) + return -ENOMEM; + diff --git a/target/linux/generic/pending-5.15/870-ca8210-Fix-crash-by-zero-initializing-data.patch b/target/linux/generic/pending-5.15/870-ca8210-Fix-crash-by-zero-initializing-data.patch new file mode 100644 index 0000000000..1fbf78dd3d --- /dev/null +++ b/target/linux/generic/pending-5.15/870-ca8210-Fix-crash-by-zero-initializing-data.patch @@ -0,0 +1,30 @@ +From 1e24c54da257ab93cff5826be8a793b014a5dc9c Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Mon, 21 Nov 2022 01:22:01 +0100 +Subject: ca8210: Fix crash by zero initializing data + +The struct cas_control embeds multiple generic SPI structures and we +have to make sure these structures are initialized to default values. +This driver does not set all attributes. When using kmalloc before some +attributes were not initialized and contained random data which caused +random crashes at bootup. + +Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver") +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +Link: https://lore.kernel.org/r/20221121002201.1339636-1-hauke@hauke-m.de +Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> +--- + drivers/net/ieee802154/ca8210.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ieee802154/ca8210.c ++++ b/drivers/net/ieee802154/ca8210.c +@@ -927,7 +927,7 @@ static int ca8210_spi_transfer( + + dev_dbg(&spi->dev, "%s called\n", __func__); + +- cas_ctl = kmalloc(sizeof(*cas_ctl), GFP_ATOMIC); ++ cas_ctl = kzalloc(sizeof(*cas_ctl), GFP_ATOMIC); + if (!cas_ctl) + return -ENOMEM; + |