From: Chuck Ebbert <[email protected]>
Date: Thu, 10 May 2007 17:07:46 -0400
> Here in sys_recvmsg() line 1911:
>
> ==> if (sock->file->f_flags & O_NONBLOCK)
> flags |= MSG_DONTWAIT;
> err = sock_recvmsg(sock, &msg_sys, total_len, flags);
>
> sock == -1, apparently because that's what sockfd_lookup_light()
> returned earlier in the function. (It doesn't check err, just
> that the returned sock is nonzero.)
sockfd_lookup_light() returns NULL in all cases where 'err'
is set non-zero.
I suspect file->private_data has been corrupted somehow.
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