Re: [PATCH v3 0/2] resolve gtp possible deadlock warning
From: Jakub Kicinski
Date: Tue Oct 15 2024 - 13:54:52 EST
On Mon, 14 Oct 2024 00:30:36 -0700 Daniel Yang wrote:
> Fixes deadlock described in this bug:
> https://syzkaller.appspot.com/bug?extid=e953a8f3071f5c0a28fd.
> Specific crash report here:
> https://syzkaller.appspot.com/text?tag=CrashReport&x=14670e07980000.
>
> This bug is a false positive lockdep warning since gtp and smc use
> completely different socket protocols.
>
> Lockdep thinks that lock_sock() in smc will deadlock with gtp's
> lock_sock() acquisition.
>
> Adding lockdep annotations on smc socket creation prevents these false
> positives.
This posting looks corrupted, please fix and repost, if it's
not accidental.