Thread (55 messages) 55 messages, 9 authors, 2009-06-20

Re: [GIT]: Networking

From: Ingo Molnar <hidden>
Date: 2009-06-16 09:26:51
Also in: lkml
Subsystem: networking [general], networking [sockets], the rest · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds

* David Miller [off-list ref] wrote:
From: Ingo Molnar <redacted>
Date: Tue, 16 Jun 2009 11:15:38 +0200
quoted
BUG: sleeping function called from invalid context at net/core/sock.c:1851
This line in my tree (and Linus's) reads:

	if (sk->sk_lock.owned)

what gives? :-)
hmmm - i have to declare the small kmemcheck annotation attached 
below :-)

(kmemcheck is off in the config so it shouldnt matter)

So the line is:

        might_sleep();

Lemme dig.

	Ingo
diff --git a/net/core/sock.c b/net/core/sock.c
index 06e26b7..b0ba569 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -945,6 +945,8 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
 		sk = kmalloc(prot->obj_size, priority);
 
 	if (sk != NULL) {
+		kmemcheck_annotate_bitfield(sk, flags);
+
 		if (security_sk_alloc(sk, family, priority))
 			goto out_free;
 
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