From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaco Kroon Date: Wed, 25 Apr 2007 22:25:45 +0000 Subject: Re: [KJ] netlink bug? Message-Id: <462FD569.6060906@kroon.co.za> List-Id: References: <462F68A8.5090803@kroon.co.za> In-Reply-To: <462F68A8.5090803@kroon.co.za> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Greg KH wrote: > On Wed, Apr 25, 2007 at 04:41:44PM +0200, Jaco Kroon wrote: >> Hi guys, >> >> I've got a piece of code that seems to reliably cause the kernel to panic, >> looks like a problem somewhere down the netlink core... >> >> I've been trying to use NETLINK_FIB_LOOKUP but so far the closest I've come >> to success was a kernel crash, a slightly stripped down version of the code >> that first crashed it attached. If somebody else can confirm this it would >> be appreciated, also, any pointers on what I'm doing wrong that triggers the >> behaviour to begin with would be appreciated, thanks. >> >> I'm currently on kernel version 2.6.19.2, so this may have been fixed in the >> meantime. Note that I don't need to run the code as root in order to >> trigger the crash. > > Next time, if you find a kernel issue like this, could you just forward > this to the security@kernel.org mail alias? This turned out to be a > real kernel issue, and now 2.6.20.8 is released with a fix for this > problem. > > I still think there's a bug in your userspace program, but the kernel > shouldn't die anymore at least :) Trust me, I know there is a bug in my userspace app, wasn't aware of the security@kernel.org mail alias (and didn't like the idea of pushing directly to lkml where it would be likely to be overlooked), will use that next time. I'd like to know _how_ the userspace app should actually work, but I'll leave that for another day ... (documentation is rather scarce). Thanks for forwarding, and thanks for getting it resolved. Jaco _______________________________________________ Kernel-janitors mailing list Kernel-janitors@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/kernel-janitors