Date: Mon, 25 Jun 2018 19:29:42 +0200 (CEST) From: Pavel Kankovsky <peak@...o.troja.mff.cuni.cz> To: owl-dev@...ts.openwall.com cc: Vasily Averin <vvs@...tuozzo.com> Subject: Re: 32-bit syscall breakage in -431 kernel with KAISER On Sun, 24 Jun 2018, Solar Designer wrote: > My preliminary analysis suggests that maybe the KAISER backport broke > the pt_regs ABI for 32-bit syscalls in x86_64 kernels. Specifically, > SIOCGIFCONF might be failing with EFAULT because fs/compat_ioctl.c: > dev_ifconf() uses compat_alloc_user_space(): Yes. It fails because compat_alloc_user_space returns NULL. -- Pavel Kankovsky aka Peak "Que sçay-je?"
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