There's an obvious memory leak in net/ipv4/tcp_probe.c::tcpprobe_read()
We are not freeing 'tbuf' on error.
Patch below fixes that.
Signed-off-by: Jesper Juhl <[email protected]>
---
net/ipv4/tcp_probe.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.18-rc3-orig/net/ipv4/tcp_probe.c 2006-07-30 13:21:53.000000000 +0200
+++ linux-2.6.18-rc3/net/ipv4/tcp_probe.c 2006-07-30 21:32:04.000000000 +0200
@@ -129,8 +129,10 @@ static ssize_t tcpprobe_read(struct file
error = wait_event_interruptible(tcpw.wait,
__kfifo_len(tcpw.fifo) != 0);
- if (error)
+ if (error) {
+ vfree(tbuf);
return error;
+ }
cnt = kfifo_get(tcpw.fifo, tbuf, len);
error = copy_to_user(buf, tbuf, cnt);
-
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