The patch titled
Subject: sysctl: fix null checking in bin_dn_node_address()
has been removed from the -mm tree. Its filename was
sysctl-fix-null-checking-in-bin_dn_node_address.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Xi Wang <[email protected]>
Subject: sysctl: fix null checking in bin_dn_node_address()
The null check of `strchr() + 1' is broken, which is always non-null,
leading to OOB read. Instead, check the result of strchr().
Signed-off-by: Xi Wang <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
kernel/sysctl_binary.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN
kernel/sysctl_binary.c~sysctl-fix-null-checking-in-bin_dn_node_address
kernel/sysctl_binary.c
--- a/kernel/sysctl_binary.c~sysctl-fix-null-checking-in-bin_dn_node_address
+++ a/kernel/sysctl_binary.c
@@ -1171,9 +1171,10 @@ static ssize_t bin_dn_node_address(struc
/* Convert the decnet address to binary */
result = -EIO;
- nodep = strchr(buf, '.') + 1;
+ nodep = strchr(buf, '.');
if (!nodep)
goto out;
+ ++nodep;
area = simple_strtoul(buf, NULL, 10);
node = simple_strtoul(nodep, NULL, 10);
_
Patches currently in -mm which might be from [email protected] are
origin.patch
drivers-usb-gadget-amd5536udcc-avoid-calling-dma_pool_create-with-null-dev.patch
mm-dmapoolc-fix-null-dev-in-dma_pool_create.patch
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