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authorWolfram Sang <wsa@the-dreams.de>2018-03-24 13:39:18 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-03-24 13:39:18 +0100
commit0b884c22c5b7f6ef985b3d39fed06ad1f8296042 (patch)
tree74504e80ad62cb0acabdfa796348d001d5d1a2a4 /drivers/infiniband/core/ucma.c
parenteb49778c8c6cbe075cf90d741ccf16f674a8db4e (diff)
parent84e10623c0b9c81557918804f309d66aec86a233 (diff)
downloadlinux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.gz
linux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.xz
Merge tag 'at24-4.17-updates-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-4.17
"three new special cases for device tree compatible strings"
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r--drivers/infiniband/core/ucma.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index f015f1bf88c9..3a9d0f5b5881 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1149,6 +1149,9 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
+ if (cmd.qp_state > IB_QPS_ERR)
+ return -EINVAL;
+
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
@@ -1294,6 +1297,9 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
+ if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))
+ return -EINVAL;
+
optval = memdup_user((void __user *) (unsigned long) cmd.optval,
cmd.optlen);
if (IS_ERR(optval)) {