Date: Thu, 9 Dec 2021 13:34:09 -0500 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: Mark Johnston <markj@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Kernel panic in networking code Message-ID: <20211209183409.2xbfgszx7miw3rhv@mutt-hbsd> In-Reply-To: <YbI3Wl/4iViuJSdg@nuc> References: <20211209152010.z6ofqf3ucpxkijqf@mutt-hbsd> <YbI3Wl/4iViuJSdg@nuc>
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[-- Attachment #1 --] On Thu, Dec 09, 2021 at 12:05:30PM -0500, Mark Johnston wrote: > On Thu, Dec 09, 2021 at 10:20:10AM -0500, Shawn Webb wrote: > > Hey all, > > > > It looks like there's a potential deadlock in some networking code, > > specifically with ipv4 jails. I can reproduce by running Poudriere on > > 14-CURRENT. > > > > I am using HardenedBSD 14-CURRENT, but we don't have any changes to > > any point in the code paths that would trigger/cause this kind of > > kernel panic. > > > > I've uploaded the crash.txt file here: > > https://hardenedbsd.org/~shawn/2021-12-09_crash-01.txt > > There is some WIP to address this in https://reviews.freebsd.org/D33339 > and its followup revision. Awesome. Thanks for the response! I'll follow along. I'm happy to test out the patch before it lands if needed/wanted. Thanks, -- Shawn Webb Cofounder / Security Engineer HardenedBSD https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEA6TL67gupaZ9nzhT/y5nonf44foFAmGyTB4ACgkQ/y5nonf4 4fqV8A//VGIhZOvieOAV4cF/m2DnryeZTyROubZlrM5JgJAKuUlENhv+bOjHwVzB V8DEvDNZxUdScT9zwYxQ6FUGYgaA3Wes9HXqYfVIWQCUAC+Fmnw9UGAyo88H3Y8W 0qByFHS7jC/K2euEe/ZshiNFZ88y7aeSNI4jKmEaVuLmppRMhyZCvAi1ff8kfN7M SkL6L9TTQRf6j7GBW9hBQUq4BSponBe2Um5DOoZvHdLXQdg6i4J8cECX4aIGYrh8 GLkPfUAwd31H8i41crALyR0/cMzt4RGD9mgZti18k+J8O628idBElKFOxOscZSKi GysQeR9HMjt/oPupMtvIVrT6HTehpU7R5Y1vosSnk0vNsvwap4mHFRhRc1rkLYm6 +U9IMLH8l1cr+4q3RQDiCViYYObhFQvdPCPEsH8gvA7R0wkjz6vajsPODANCvnfX ZCfc82cBAAnMg1nL+8+do3dYZ8dfkWu3iQcdhp6KDM9/N+O9bkuPruZNPw1SH3TS XM93earOHZTkeqR9cbSnG6Lz973hc85EcVoHPY9m+dWnPTcvSjmolUBEHd1WgOUD ZNz/7U1urHp4tuwUHwe0N+NAqq3BJpIrXC055UIF0ZJgfT/C+E1F5OHkfnZ/AY0B dpZ89BZSuWwnHMsbNaZl5ChEx2hiQtEkQvbDfJa4Jn2cPnGoA2w= =/6S4 -----END PGP SIGNATURE-----help
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