Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-29 Thread Matthew Wilcox
On Mon, Mar 29, 2021 at 10:01:58AM +0100, Luis Henriques wrote: > On Fri, Mar 19, 2021 at 09:02:33AM +, Luis Henriques wrote: > > On Thu, Mar 18, 2021 at 11:55:43AM +, Matthew Wilcox wrote: > > > On Thu, Mar 18, 2021 at 11:29:28AM +, Luis Henriques wrote: > > > > On Thu, Mar 18, 2021 at

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-29 Thread Luis Henriques
On Fri, Mar 19, 2021 at 09:02:33AM +, Luis Henriques wrote: > On Thu, Mar 18, 2021 at 11:55:43AM +, Matthew Wilcox wrote: > > On Thu, Mar 18, 2021 at 11:29:28AM +, Luis Henriques wrote: > > > On Thu, Mar 18, 2021 at 02:03:02PM +0300, Kirill A. Shutemov wrote: > > > > On Thu, Mar 18, 202

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-19 Thread Luis Henriques
On Thu, Mar 18, 2021 at 11:55:43AM +, Matthew Wilcox wrote: > On Thu, Mar 18, 2021 at 11:29:28AM +, Luis Henriques wrote: > > On Thu, Mar 18, 2021 at 02:03:02PM +0300, Kirill A. Shutemov wrote: > > > On Thu, Mar 18, 2021 at 11:59:59AM +0100, Miklos Szeredi wrote: > > > > > [16247.536348] pa

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Luis Henriques
On Thu, Mar 18, 2021 at 11:55:43AM +, Matthew Wilcox wrote: > On Thu, Mar 18, 2021 at 11:29:28AM +, Luis Henriques wrote: > > On Thu, Mar 18, 2021 at 02:03:02PM +0300, Kirill A. Shutemov wrote: > > > On Thu, Mar 18, 2021 at 11:59:59AM +0100, Miklos Szeredi wrote: > > > > > [16247.536348] pa

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Matthew Wilcox
On Thu, Mar 18, 2021 at 11:29:28AM +, Luis Henriques wrote: > On Thu, Mar 18, 2021 at 02:03:02PM +0300, Kirill A. Shutemov wrote: > > On Thu, Mar 18, 2021 at 11:59:59AM +0100, Miklos Szeredi wrote: > > > > [16247.536348] page:dfe36ab1 refcount:673 mapcount:0 > > > > mapping:f98

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Luis Henriques
On Thu, Mar 18, 2021 at 02:03:02PM +0300, Kirill A. Shutemov wrote: > On Thu, Mar 18, 2021 at 11:59:59AM +0100, Miklos Szeredi wrote: > > [CC linux-mm] > > > > On Thu, Mar 18, 2021 at 10:25 AM Luis Henriques wrote: > > > > > > (I thought Vlastimil was already on CC...) > > > > > > On Mon, Mar 15,

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Kirill A. Shutemov
On Thu, Mar 18, 2021 at 11:59:59AM +0100, Miklos Szeredi wrote: > [CC linux-mm] > > On Thu, Mar 18, 2021 at 10:25 AM Luis Henriques wrote: > > > > (I thought Vlastimil was already on CC...) > > > > On Mon, Mar 15, 2021 at 11:06:59AM +, Matthew Wilcox wrote: > > > On Mon, Mar 15, 2021 at 09:47

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Miklos Szeredi
[CC linux-mm] On Thu, Mar 18, 2021 at 10:25 AM Luis Henriques wrote: > > (I thought Vlastimil was already on CC...) > > On Mon, Mar 15, 2021 at 11:06:59AM +, Matthew Wilcox wrote: > > On Mon, Mar 15, 2021 at 09:47:45AM +, Luis Henriques wrote: > > > On Fri, Mar 12, 2021 at 01:11:23PM +000

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-18 Thread Luis Henriques
(I thought Vlastimil was already on CC...) On Mon, Mar 15, 2021 at 11:06:59AM +, Matthew Wilcox wrote: > On Mon, Mar 15, 2021 at 09:47:45AM +, Luis Henriques wrote: > > On Fri, Mar 12, 2021 at 01:11:23PM +, Matthew Wilcox wrote: > > > On Fri, Mar 12, 2021 at 12:21:59PM +, Luis Henr

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-15 Thread Matthew Wilcox
On Mon, Mar 15, 2021 at 09:47:45AM +, Luis Henriques wrote: > On Fri, Mar 12, 2021 at 01:11:23PM +, Matthew Wilcox wrote: > > On Fri, Mar 12, 2021 at 12:21:59PM +, Luis Henriques wrote: > > > > > I've seen a bug report (5.10.16 kernel splat below) that seems to be > > > > > reproducible

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-15 Thread Luis Henriques
On Fri, Mar 12, 2021 at 01:11:23PM +, Matthew Wilcox wrote: > On Fri, Mar 12, 2021 at 12:21:59PM +, Luis Henriques wrote: > > > > I've seen a bug report (5.10.16 kernel splat below) that seems to be > > > > reproducible in kernels as early as 5.4. > > If this is reproducible, can you turn

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-12 Thread Matthew Wilcox
On Fri, Mar 12, 2021 at 12:21:59PM +, Luis Henriques wrote: > > > I've seen a bug report (5.10.16 kernel splat below) that seems to be > > > reproducible in kernels as early as 5.4. If this is reproducible, can you turn this BUG_ON into a VM_BUG_ON_PAGE() so we know what kind of problem we're

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-12 Thread Luis Henriques
On Fri, Mar 12, 2021 at 10:48:40AM +0100, Miklos Szeredi wrote: > On Fri, Mar 12, 2021 at 9:51 AM Luis Henriques wrote: > > > > Hi Miklos, > > > > I've seen a bug report (5.10.16 kernel splat below) that seems to be > > reproducible in kernels as early as 5.4. > > > > The commit that caught my att

Re: fuse: kernel BUG at mm/truncate.c:763!

2021-03-12 Thread Miklos Szeredi
On Fri, Mar 12, 2021 at 9:51 AM Luis Henriques wrote: > > Hi Miklos, > > I've seen a bug report (5.10.16 kernel splat below) that seems to be > reproducible in kernels as early as 5.4. > > The commit that caught my attention when looking at what was merged in 5.4 > was e4648309b85a ("fuse: truncat