The patch titled
Subject: kmsg: /dev/kmsg - properly return possible copy_from_user() failure
has been removed from the -mm tree. Its filename was
kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Kay Sievers <kay@xxxxxxxx>
Subject: kmsg: /dev/kmsg - properly return possible copy_from_user() failure
Reported-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kay Sievers <kay@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/printk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN kernel/printk.c~kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure kernel/printk.c
--- a/kernel/printk.c~kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure
+++ a/kernel/printk.c
@@ -389,8 +389,10 @@ static ssize_t devkmsg_writev(struct kio
line = buf;
for (i = 0; i < count; i++) {
- if (copy_from_user(line, iv[i].iov_base, iv[i].iov_len))
+ if (copy_from_user(line, iv[i].iov_base, iv[i].iov_len)) {
+ ret = -EFAULT;
goto out;
+ }
line += iv[i].iov_len;
}
_
Patches currently in -mm which might be from kay@xxxxxxxx are
origin.patch
dynamic_debug-restore-dev_dbg-netdev_dbg-functionality-reduce-stack-use.patch
dynamic_debug-restore-dev_dbg-netdev_dbg-functionality-reduce-stack-use-v2.patch
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