The patch titled
Subject: kmsg: /dev/kmsg - properly return possible copy_from_user() failure
has been added to the -mm tree. Its filename is
kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure.patch
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------------------------------------------------------
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
@@ -365,8 +365,10 @@ 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;
}
_
Subject: Subject: kmsg: /dev/kmsg - properly return possible copy_from_user() failure
Patches currently in -mm which might be from kay@xxxxxxxx are
kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure.patch
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