Re: INFO: task hung in fuse_reverse_inval_entry

2018-11-02 Thread Dmitry Vyukov
On Thu, Jul 26, 2018 at 11:12 AM, Miklos Szeredi wrote: > On Thu, Jul 26, 2018 at 10:44 AM, Miklos Szeredi wrote: >> On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: >>> On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: > >>> Maybe more waits in fuse need to be interruptible? E.g.

Re: INFO: task hung in fuse_reverse_inval_entry

2018-11-02 Thread Dmitry Vyukov
On Thu, Jul 26, 2018 at 11:12 AM, Miklos Szeredi wrote: > On Thu, Jul 26, 2018 at 10:44 AM, Miklos Szeredi wrote: >> On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: >>> On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: > >>> Maybe more waits in fuse need to be interruptible? E.g.

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-26 Thread Miklos Szeredi
On Thu, Jul 26, 2018 at 10:44 AM, Miklos Szeredi wrote: > On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: >> On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: >> Maybe more waits in fuse need to be interruptible? E.g. request_wait_answer? > > That's an interesting aspect. Making

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-26 Thread Miklos Szeredi
On Thu, Jul 26, 2018 at 10:44 AM, Miklos Szeredi wrote: > On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: >> On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: >> Maybe more waits in fuse need to be interruptible? E.g. request_wait_answer? > > That's an interesting aspect. Making

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-26 Thread Miklos Szeredi
On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: > On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server is weak. >> Take the following example: process A is holding the fuse device fd >> and is forwarding requests

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-26 Thread Miklos Szeredi
On Wed, Jul 25, 2018 at 11:12 AM, Dmitry Vyukov wrote: > On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server is weak. >> Take the following example: process A is holding the fuse device fd >> and is forwarding requests

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-25 Thread Dmitry Vyukov
On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: > Biggest conceptual problem: your definition of fuse-server is weak. > Take the following example: process A is holding the fuse device fd > and is forwarding requests and replies to/from process B via a pipe. > So basically

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-25 Thread Dmitry Vyukov
On Tue, Jul 24, 2018 at 5:17 PM, Miklos Szeredi wrote: > Biggest conceptual problem: your definition of fuse-server is weak. > Take the following example: process A is holding the fuse device fd > and is forwarding requests and replies to/from process B via a pipe. > So basically

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-24 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 5:19 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 5:09 PM, Miklos Szeredi wrote: >> On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: >>> On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-24 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 5:19 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 5:09 PM, Miklos Szeredi wrote: >> On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: >>> On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 5:09 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: >> On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: > >>> Biggest conceptual problem: your definition of fuse-server is weak. >>> Take the following example: process A is holding

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 5:09 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: >> On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: > >>> Biggest conceptual problem: your definition of fuse-server is weak. >>> Take the following example: process A is holding

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server is weak. >> Take the following example: process A is holding the fuse device fd >> and is forwarding requests and replies

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 3:37 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> Biggest conceptual problem: your definition of fuse-server is weak. >> Take the following example: process A is holding the fuse device fd >> and is forwarding requests and replies

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> wrote: >>> Hello, >>> >>> syzbot found the following crash on: >>> >>> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >>> git tree: upstream >>> console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 3:05 PM, Miklos Szeredi wrote: >> wrote: >>> Hello, >>> >>> syzbot found the following crash on: >>> >>> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >>> git tree: upstream >>> console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 2:46 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 2:33 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 9:59 AM, syzbot > wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:d72e90f33aa4 Linux 4.18-rc6

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 2:46 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 2:33 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 9:59 AM, syzbot > wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:d72e90f33aa4 Linux 4.18-rc6

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 2:33 PM, Miklos Szeredi wrote: On Mon, Jul 23, 2018 at 9:59 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:d72e90f33aa4 Linux 4.18-rc6 > git tree: upstream > console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 2:33 PM, Miklos Szeredi wrote: On Mon, Jul 23, 2018 at 9:59 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:d72e90f33aa4 Linux 4.18-rc6 > git tree: upstream > console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 2:22 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 2:12 PM, Miklos Szeredi wrote: >> On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: >>> On Mon, Jul 23, 2018 at 9:59 AM, syzbot >>> wrote: Hello, syzbot found the following crash on:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 2:22 PM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 2:12 PM, Miklos Szeredi wrote: >> On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: >>> On Mon, Jul 23, 2018 at 9:59 AM, syzbot >>> wrote: Hello, syzbot found the following crash on:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 2:12 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: >> On Mon, Jul 23, 2018 at 9:59 AM, syzbot >> wrote: >>> Hello, >>> >>> syzbot found the following crash on: >>> >>> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >>> git tree:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 2:12 PM, Miklos Szeredi wrote: > On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: >> On Mon, Jul 23, 2018 at 9:59 AM, syzbot >> wrote: >>> Hello, >>> >>> syzbot found the following crash on: >>> >>> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >>> git tree:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 9:59 AM, syzbot > wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >> git tree: upstream >> console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Miklos Szeredi
On Mon, Jul 23, 2018 at 10:11 AM, Dmitry Vyukov wrote: > On Mon, Jul 23, 2018 at 9:59 AM, syzbot > wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:d72e90f33aa4 Linux 4.18-rc6 >> git tree: upstream >> console output:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 9:59 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:d72e90f33aa4 Linux 4.18-rc6 > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1324f79440 > kernel config:

Re: INFO: task hung in fuse_reverse_inval_entry

2018-07-23 Thread Dmitry Vyukov
On Mon, Jul 23, 2018 at 9:59 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:d72e90f33aa4 Linux 4.18-rc6 > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1324f79440 > kernel config: