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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 30 Apr 2020 19:28:58 -0500 From: Josh Poimboeuf <jpoimboe@...hat.com> To: Arnd Bergmann <arnd@...db.de> Cc: Peter Zijlstra <peterz@...radead.org>, the arch/x86 maintainers <x86@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Remaining randconfig objtool warnings, linux-next-20200428 On Thu, Apr 30, 2020 at 04:05:07PM +0200, Arnd Bergmann wrote: > lib/locking-selftest.o: warning: objtool: locking_selftest()+0x117f: PUSHF stack exhausted > lib/locking-selftest.o: warning: objtool: ww_tests()+0x1083: PUSHF stack exhausted Peter, These functions have a bunch of irqs_disabled() checks, which means a bunch of PUSHFs with no POPFs. Am I reading it correctly that objtool assumes PUSHF is always paired with POPF? irqs_disabled() doesn't do that. -- Josh
Powered by blists - more mailing lists