Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fa8705b00aeca19d91a1437b8a5cf865999b28f6
Commit: fa8705b00aeca19d91a1437b8a5cf865999b28f6
Parent: 414c66e00e9fb4572e38bd14e6cc570eae8c5a61
Author: Tony Battersby <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 10 21:09:04 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 21:09:04 2007 -0700
[NET]: sanitize kernel_accept() error path
If kernel_accept() returns an error, it may pass back a pointer to
freed memory (which the caller should ignore). Make it pass back NULL
instead for better safety.
Signed-off-by: Tony Battersby <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/socket.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index d233647..379b3a3 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2235,6 +2235,7 @@ int kernel_accept(struct socket *sock, struct socket
**newsock, int flags)
err = sock->ops->accept(sock, *newsock, flags);
if (err < 0) {
sock_release(*newsock);
+ *newsock = NULL;
goto done;
}
-
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