syzbot


INFO: task hung in __do_page_fault
Status: upstream: reported C repro on 2019/04/19 08:53
Reported-by: syzbot+2b85df964d939e9d4d98@syzkaller.appspotmail.com
First crash: 414d, last: 17d
similar bugs (6):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-44 INFO: task hung in __do_page_fault C 1 477d 419d 0/2 public: reported C repro on 2019/04/14 00:00
upstream INFO: task hung in __do_page_fault (2) C cause+fix 34 304d 588d 0/17 upstream: reported C repro on 2018/10/27 08:09
android-49 INFO: task hung in __do_page_fault C 5 245d 419d 0/3 public: reported C repro on 2019/04/14 08:51
linux-4.19 INFO: task hung in __do_page_fault C 5 5d15h 364d 0/1 upstream: reported C repro on 2019/06/08 06:01
android-414 INFO: task hung in __do_page_fault C 7 254d 421d 0/1 public: reported C repro on 2019/04/12 00:01
upstream INFO: task hung in __do_page_fault 1 782d 782d 6/17 fixed on 2018/05/17 10:02

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-14 2020/05/20 12:23 linux-4.14.y a41ba30d b0e8efcb .config log report syz C
ci2-linux-4-14 2020/04/20 11:52 linux-4.14.y c10b57a5 b0e8efcb .config log report syz C
ci2-linux-4-14 2020/03/21 11:18 linux-4.14.y 01364dad b0e8efcb .config log report syz C
ci2-linux-4-14 2020/02/20 10:46 linux-4.14.y 98db2bf2 b0e8efcb .config log report syz C
ci2-linux-4-14 2019/12/29 00:08 linux-4.14.y e1f7d50a b0e8efcb .config log report syz C
ci2-linux-4-14 2019/11/28 23:33 linux-4.14.y 43598c57 b0e8efcb .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/04/19 07:51 linux-4.14.y 58b454eb b0e8efcb .config log report syz C avagin@gmail.com, dbueso@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, oleg@redhat.com, prsood@codeaurora.org, sashal@kernel.org
ci2-linux-4-14 2020/01/21 10:14 linux-4.14.y c1141b3a 8eda0b95 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci2-linux-4-14 2020/01/11 00:42 linux-4.14.y b0cdffaa 532ec44e .config log report gregkh@linuxfoundation.org, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@amacapital.net, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org