"INFO: task hung in exit_mm" and "INFO: task hung in do_exit" should be duplicate crash reports

Dear kernel developers, I found that on the syzbot dashboard, “INFO: task hung in exit_mm”[1] and "INFO: task hung in do_exit"[2] should share the same root cause. The reasons for the above statement: 1) the stack trace is the same, and this title difference is due to the inlin

Re: INFO: task hung in do_exit

On Sat 2019-04-13 19:55:00, syzbot wrote: > syzbot has bisected this bug to: > > commit 430e48ecf31f4f897047f22e02abdfa75730cad8 > Author: Amitoj Kaur Chawla > Date: Thu Aug 10 16:28:09 2017 + > > leds: lm3533: constify attribute_group structure > > bisection log:

Re: INFO: task hung in do_exit

syzbot has bisected this bug to: commit 430e48ecf31f4f897047f22e02abdfa75730cad8 Author: Amitoj Kaur Chawla Date: Thu Aug 10 16:28:09 2017 + leds: lm3533: constify attribute_group structure bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f4cee320 start commit:

INFO: task hung in do_exit

Hello, syzbot found the following crash on: HEAD commit:8ee15f32 Merge tag 'dma-mapping-5.1-1' of git://git.infrad.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15a512d320 kernel config: https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0