linux-kernel - Re: lockup and kernel panic in linux-next-202505{09,12} when compiled with clang

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <a12c82c394e9676e32ede6b8312f821a16fef94b.camel@sipsolutions.net>
Date: Wed, 14 May 2025 20:56:53 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Bert Karwatzki <spasswolf@....de>, "linux-kernel@...r.kernel.org"
	 <linux-kernel@...r.kernel.org>
Cc: "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>, 
 "llvm@...ts.linux.dev"
	 <llvm@...ts.linux.dev>, Thomas Gleixner <tglx@...utronix.de>, 
	linux-wireless@...r.kernel.org
Subject: Re: lockup and kernel panic in linux-next-202505{09,12} when
 compiled with clang

> 
> I've split off the problematic piece of code into an noinline function to simplify the disassembly:
> 

Oh and also, does it even still crash with that? :)

Still I feel it's possibly some kind of weird side-effect and not
strictly a compiler issue? But I don't see anything so far.

johannes