From: Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
To: "Martin MOKREJŠ" <mmokrejs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: USB list <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: 4.5.1: UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:9
Date: Thu, 21 Apr 2016 09:42:29 +0900 [thread overview]
Message-ID: <20160421004229.GB10917@kroah.com> (raw)
In-Reply-To: <7d648a97-38f5-3d04-9ead-0b6e87088beb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Thu, Apr 21, 2016 at 12:22:49AM +0200, Martin MOKREJŠ wrote:
> Hi,
> I am not certain to to forward this to, so I am trying linux-usb and ext4. Please add relevant people/lists, thank you.
>
> # dmesg | grep "UBSAN: Undefined behaviour"
> [ 2.638843] UBSAN: Undefined behaviour in drivers/usb/host/ehci-hub.c:873:47
> [ 8.553620] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2612:15
> [ 25.341048] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1274:11
> [ 41.460542] UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:9
> #
>
> Full dmesg is attached.
>
> Hope this helps,
> Martin
> [ 0.000000] Linux version 4.5.1-default-pciehp (root@vostro) (gcc version 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5) ) #1 SMP Thu Apr 14 14:17:48 CEST 2016
Please try 4.6-rc4, a number of UBSAN issues have been fixed there.
thansk,
greg k-h
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next prev parent reply other threads:[~2016-04-21 0:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-20 22:22 4.5.1: UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:9 Martin MOKREJŠ
[not found] ` <7d648a97-38f5-3d04-9ead-0b6e87088beb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-21 0:42 ` Greg KH [this message]
[not found] ` <20160421004229.GB10917-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2016-04-21 9:18 ` Martin MOKREJŠ
[not found] ` <56e89573-3fb5-39cc-c330-e6f1c1c6c58f-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-21 10:48 ` Greg KH
[not found] ` <20160421104800.GA6884-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2016-04-21 11:17 ` Martin MOKREJŠ
[not found] ` <2121831c-e066-bb83-3b66-d3d3907064bf-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-21 12:43 ` Greg KH
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