On Thu, May 14, 2020 at 06:17:41AM -0500, Jeremy Linton wrote:
> On 5/14/20 2:46 AM, Greg KH wrote:
> > On Thu, May 14, 2020 at 08:31:58AM +0200, Christoph Hellwig wrote:
> > > On Thu, May 14, 2020 at 08:27:50AM +0200, Greg KH wrote:
> > > > On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph
On 5/14/20 2:46 AM, Greg KH wrote:
On Thu, May 14, 2020 at 08:31:58AM +0200, Christoph Hellwig wrote:
On Thu, May 14, 2020 at 08:27:50AM +0200, Greg KH wrote:
On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph Hellwig wrote:
Guys, can you please start formal thread on this? I have no
idea
On 5/14/20 6:14 AM, Christoph Hellwig wrote:
On Thu, May 14, 2020 at 06:10:03AM -0500, Jeremy Linton wrote:
I only need to look at the commit for 3 seconds to tell you that it is
completely buggy. While using dma_mmap_coherent is fundamentally the
right thing and absolutely required for
On Thu, May 14, 2020 at 06:10:03AM -0500, Jeremy Linton wrote:
>> I only need to look at the commit for 3 seconds to tell you that it is
>> completely buggy. While using dma_mmap_coherent is fundamentally the
>> right thing and absolutely required for dma_alloc_* allocations, USB
>> also uses
Hi,
On 5/14/20 1:31 AM, Christoph Hellwig wrote:
On Thu, May 14, 2020 at 08:27:50AM +0200, Greg KH wrote:
On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph Hellwig wrote:
Guys, can you please start formal thread on this? I have no
idea where this came from and what the rationale is. Btw,
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger crash:
Reported-and-tested-by: syzbot+353be47c9ce21b68b...@syzkaller.appspotmail.com
Tested on:
commit: d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree:
On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1509363210
>
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger crash:
Reported-and-tested-by: syzbot+353be47c9ce21b68b...@syzkaller.appspotmail.com
Tested on:
commit: d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree:
On Thu, May 14, 2020 at 08:31:58AM +0200, Christoph Hellwig wrote:
> On Thu, May 14, 2020 at 08:27:50AM +0200, Greg KH wrote:
> > On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph Hellwig wrote:
> > > Guys, can you please start formal thread on this? I have no
> > > idea where this came from
On Thu, May 14, 2020 at 08:27:50AM +0200, Greg KH wrote:
> On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph Hellwig wrote:
> > Guys, can you please start formal thread on this? I have no
> > idea where this came from and what the rationale is. Btw, if the
> > pfn is crap in dma_direct_mmap
On Thu, May 14, 2020 at 08:14:17AM +0200, Christoph Hellwig wrote:
> Guys, can you please start formal thread on this? I have no
> idea where this came from and what the rationale is. Btw, if the
> pfn is crap in dma_direct_mmap then the dma_addr_t passed in is
> crap, as it is derived from
On Thu, May 14, 2020 at 8:14 AM Christoph Hellwig wrote:
>
> Guys, can you please start formal thread on this? I have no
> idea where this came from and what the rationale is. Btw, if the
> pfn is crap in dma_direct_mmap then the dma_addr_t passed in is
> crap, as it is derived from that. What
Guys, can you please start formal thread on this? I have no
idea where this came from and what the rationale is. Btw, if the
pfn is crap in dma_direct_mmap then the dma_addr_t passed in is
crap, as it is derived from that. What is the caller, and how is
this triggered?
On Wed, May 13, 2020 at 06:22:58PM +0200, Thomas Gleixner wrote:
> Greg KH writes:
> > On Sat, May 09, 2020 at 12:00:57PM +0200, Thomas Gleixner wrote:
> >> Greg KH writes:
> >> > On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
> >> >> memtype_reserve failed: [mem
Greg KH writes:
> On Sat, May 09, 2020 at 12:00:57PM +0200, Thomas Gleixner wrote:
>> Greg KH writes:
>> > On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
>> >> memtype_reserve failed: [mem 0xff000-0x8fff], req write-back
>> >> WARNING: CPU: 1 PID: 7025 at
Alan Stern writes:
> On Sat, 9 May 2020, Thomas Gleixner wrote:
>
>> Greg KH writes:
>> > On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
>> >> memtype_reserve failed: [mem 0xff000-0x8fff], req write-back
>> >> WARNING: CPU: 1 PID: 7025 at arch/x86/mm/pat/memtype.c:589
>> >>
On Sat, May 09, 2020 at 12:00:57PM +0200, Thomas Gleixner wrote:
> Greg KH writes:
> > On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
> >> memtype_reserve failed: [mem 0xff000-0x8fff], req write-back
> >> WARNING: CPU: 1 PID: 7025 at arch/x86/mm/pat/memtype.c:589
> >>
On Sat, May 09, 2020 at 11:47:28PM +0800, Hillf Danton wrote:
>
> Sat, 09 May 2020 00:20:14 -0700
> >syzbot found the following crash on:
> >
> >HEAD commit:d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
> >git tree: upstream
> >console output:
Hi,
On 5/9/20 2:20 AM, syzbot wrote:
Hello,
syzbot found the following crash on:
HEAD commit:d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1509363210
kernel config:
On Sat, 9 May 2020, Thomas Gleixner wrote:
> Greg KH writes:
> > On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
> >> memtype_reserve failed: [mem 0xff000-0x8fff], req write-back
> >> WARNING: CPU: 1 PID: 7025 at arch/x86/mm/pat/memtype.c:589
> >> memtype_reserve+0x69f/0x820
Greg KH writes:
> On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
>> memtype_reserve failed: [mem 0xff000-0x8fff], req write-back
>> WARNING: CPU: 1 PID: 7025 at arch/x86/mm/pat/memtype.c:589
>> memtype_reserve+0x69f/0x820 arch/x86/mm/pat/memtype.c:589
>
> So should
On Sat, May 09, 2020 at 12:20:14AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1509363210
>
Hello,
syzbot found the following crash on:
HEAD commit:d5eeab8d Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1509363210
kernel config: https://syzkaller.appspot.com/x/.config?x=b0212dbee046bc1f
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