| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 4 Oct 2011 21:37:17 -0700 From: Greg KH <gregkh@...e.de> To: "K. Y. Srinivasan" <kys@...rosoft.com> Cc: linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, virtualization@...ts.osdl.org, longli@...rosoft.com, Haiyang Zhang <haiyangz@...rosoft.com> Subject: Re: [PATCH 1/1] Staging: hv: util: Fix a bug in kvp implementation On Tue, Oct 04, 2011 at 02:00:02PM -0700, K. Y. Srinivasan wrote: > The host gurantees that there can be only one kvp transaction active > against the guest. So, the transaction active state is needed only to > protect against spurious user level calls. The current code had a race > condition where the guest could prematurely return because the previous > transaction state was not cleared - this state was being cleared after > sending the response to the host and there was a window where the host > could notify the guest of a new transaction before the transaction active > state was properly set. > Also deal with the case when the user mode component > does not respond in a timely fashion correctly. > I would like to thank Long Li <longli@...rosoft.com> > for identifying the problem. So that would be a "Reported-by:" tag, we don't have a "Diagnosed-by" do we? And should this go to the older (i.e. stable) kernels as well? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists