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
| ||
|
Date: Tue, 26 Jan 2016 13:36:18 -0800 From: Eric Dumazet <eric.dumazet@...il.com> To: Toralf Förster <toralf.foerster@....de>, Alexander Duyck <alexander.duyck@...hat.com> Cc: Linux Kernel <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org> Subject: Re: UBSAN: Undefined behaviour in net/ipv4/fib_trie.c:1397:22 and UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:2 On Tue, 2016-01-26 at 20:45 +0100, Toralf Förster wrote: > at a 32 nbit KVM image of a Gentoo Linux runniogn v4.5-rc1 - attached is /var/log/messages > Jan 26 20:40:04 n22kvm-clone kernel: ================================================================================ Jan 26 20:40:04 n22kvm-clone kernel: UBSAN: Undefined behaviour in net/ipv4/fib_trie.c:1397:22 Jan 26 20:40:04 n22kvm-clone kernel: shift exponent 32 is too large for 32-bit type 'long unsigned int' Jan 26 20:40:04 n22kvm-clone kernel: CPU: 1 PID: 2050 Comm: dhcpcd Not tainted 4.5.0-rc1 #1 Jan 26 20:40:04 n22kvm-clone kernel: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.2-0-g33fbe13 by qemu-project.org 04/01/2014 Thanks for the report. CC netdev and Alexander Commit 79e5ad2ceb006 ("fib_trie: Remove leaf_info ")
Powered by blists - more mailing lists