Fixed now by commit 59bb47985c1d ("mm, sl[aou]b: guarantee natural
alignment for kmalloc(power-of-two)").
Paolo
On 11/09/19 22:38, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 1e3778cb Merge tag 'scsi-fixes' of
> git://git.kernel.org/pu..
> git tree:
On 13/09/19 17:32, Robin Murphy wrote:
> Oh, that bit of usbdev_mmap() is already known to be pretty much totally
> bogus for various reasons - there have been a few threads about it, of
> which I think [1] is both the most recent and the most informative.
> There was another patch[2], but that
On 13/09/19 17:36, Alan Stern wrote:
> On Fri, 13 Sep 2019, Paolo Bonzini wrote:
>
>> On 13/09/19 15:02, Greg Kroah-Hartman wrote:
>>> Look at linux-next, we "should" have fixed up hcd_buffer_alloc() now to
>>> not need this type of thing. If we got it wrong, please let us know and
>>> then yes,
On Fri, 13 Sep 2019, Paolo Bonzini wrote:
> On 13/09/19 15:02, Greg Kroah-Hartman wrote:
> > Look at linux-next, we "should" have fixed up hcd_buffer_alloc() now to
> > not need this type of thing. If we got it wrong, please let us know and
> > then yes, a fix like this would be most appreciated
On 13/09/2019 16:01, Paolo Bonzini wrote:
On 13/09/19 15:02, Greg Kroah-Hartman wrote:
Look at linux-next, we "should" have fixed up hcd_buffer_alloc() now to
not need this type of thing. If we got it wrong, please let us know and
then yes, a fix like this would be most appreciated :)
I
On 13/09/19 15:02, Greg Kroah-Hartman wrote:
> Look at linux-next, we "should" have fixed up hcd_buffer_alloc() now to
> not need this type of thing. If we got it wrong, please let us know and
> then yes, a fix like this would be most appreciated :)
I still see
/* some USB hosts just
On Fri, Sep 13, 2019 at 09:34:32AM +0200, Paolo Bonzini wrote:
> On 13/09/19 06:46, Greg Kroah-Hartman wrote:
> > USB drivers expect kmalloc to return DMA-able memory. I don't know
> > about specific alignment issues, that should only an issue for the host
> > controller being used here, which
On 13/09/19 06:46, Greg Kroah-Hartman wrote:
> USB drivers expect kmalloc to return DMA-able memory. I don't know
> about specific alignment issues, that should only an issue for the host
> controller being used here, which you do not say in the above list.
I have no idea, this is just the
On Thu, Sep 12, 2019 at 06:49:26PM +0200, Paolo Bonzini wrote:
> [tl;dr: there could be a /dev/usb bug only affecting KASAN
> configurations, jump to the end to skip the analysis and get to the bug
> details]
>
> On 12/09/19 15:54, Vitaly Kuznetsov wrote:
> > Hm, the bisection seems bogus but the
[tl;dr: there could be a /dev/usb bug only affecting KASAN
configurations, jump to the end to skip the analysis and get to the bug
details]
On 12/09/19 15:54, Vitaly Kuznetsov wrote:
> Hm, the bisection seems bogus but the stack points us to the following
> piece of code:
>
> 4776)
syzbot writes:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:1e3778cb Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15bdfc5e60
> kernel config:
On Wed, Sep 11, 2019 at 01:38:08PM -0700, syzbot wrote:
> syzbot found the following crash on:
>
> HEAD commit:1e3778cb Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15bdfc5e60
> kernel config:
Hello,
syzbot found the following crash on:
HEAD commit:1e3778cb Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15bdfc5e60
kernel config: https://syzkaller.appspot.com/x/.config?x=b89bb446a3faaba4
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