Re: INFO: task hung in ext4_direct_IO

2018-07-18 Thread Dmitry Vyukov
On Mon, May 14, 2018 at 5:11 PM, Tetsuo Handa wrote: > On 2018/05/14 23:36, syzbot wrote: >> Call Trace: >> context_switch kernel/sched/core.c:2859 [inline] >> __schedule+0x801/0x1e30 kernel/sched/core.c:3501 >> schedule+0xef/0x430 kernel/sched/core.c:3545 >> __rwsem_down_read_failed_common

Re: INFO: task hung in ext4_direct_IO

2018-07-18 Thread Dmitry Vyukov
On Mon, May 14, 2018 at 5:11 PM, Tetsuo Handa wrote: > On 2018/05/14 23:36, syzbot wrote: >> Call Trace: >> context_switch kernel/sched/core.c:2859 [inline] >> __schedule+0x801/0x1e30 kernel/sched/core.c:3501 >> schedule+0xef/0x430 kernel/sched/core.c:3545 >> __rwsem_down_read_failed_common

Re: INFO: task hung in ext4_direct_IO

2018-05-14 Thread Tetsuo Handa
On 2018/05/14 23:36, syzbot wrote: > Call Trace: >  context_switch kernel/sched/core.c:2859 [inline] >  __schedule+0x801/0x1e30 kernel/sched/core.c:3501 >  schedule+0xef/0x430 kernel/sched/core.c:3545 >  __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] >  

Re: INFO: task hung in ext4_direct_IO

2018-05-14 Thread Tetsuo Handa
On 2018/05/14 23:36, syzbot wrote: > Call Trace: >  context_switch kernel/sched/core.c:2859 [inline] >  __schedule+0x801/0x1e30 kernel/sched/core.c:3501 >  schedule+0xef/0x430 kernel/sched/core.c:3545 >  __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] >  

INFO: task hung in ext4_direct_IO

2018-05-14 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:66e1c94db3cd Merge branch 'x86-pti-for-linus' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=148dc01780 kernel config: https://syzkaller.appspot.com/x/.config?x=fcce42b221691ff9

INFO: task hung in ext4_direct_IO

2018-05-14 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:66e1c94db3cd Merge branch 'x86-pti-for-linus' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=148dc01780 kernel config: https://syzkaller.appspot.com/x/.config?x=fcce42b221691ff9