syzbot


INFO: rcu detected stall in ext4_filemap_fault
Status: auto-closed as invalid on 2020/05/18 19:50
Reported-by: syzbot+e3f105362fafe8d06738@syzkaller.appspotmail.com
First crash: 997d, last: 847d
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in ext4_filemap_fault (3) 2 3d22h 34d 0/1 upstream: reported on 2022/04/12 12:43
linux-4.19 INFO: rcu detected stall in ext4_filemap_fault (2) 1 659d 659d 0/1 auto-closed as invalid on 2020/11/23 02:32
android-49 INFO: rcu detected stall in ext4_filemap_fault C 1 978d 978d 0/3 public: reported C repro on 2019/09/11 03:52
upstream INFO: rcu detected stall in ext4_filemap_fault 109 1169d 1339d 0/22 closed as dup on 2019/01/02 16:36
android-414 INFO: rcu detected stall in ext4_filemap_fault 1 1238d 1132d 0/1 auto-closed as invalid on 2019/06/22 22:11
linux-4.14 INFO: rcu detected stall in ext4_filemap_fault 1 901d 901d 0/1 auto-closed as invalid on 2020/03/25 22:24
upstream INFO: rcu detected stall in ext4_filemap_fault (2) 1 943d 943d 0/22 auto-closed as invalid on 2020/01/13 18:23
android-414 INFO: rcu detected stall in ext4_filemap_fault (2) 2 897d 941d 0/1 auto-closed as invalid on 2020/03/30 02:23

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2020/01/19 19:49 linux-4.19.y dc4ba5be1bab 0342f8c7 .config log report
ci2-linux-4-19 2019/12/18 23:01 linux-4.19.y 7d120bf21c05 79b211f7 .config log report
ci2-linux-4-19 2019/08/25 23:48 linux-4.19.y def4c11b3131 d21c5d9d .config log report
ci2-linux-4-19 2019/08/22 17:55 linux-4.19.y a5aa80588fcd c6c81a0b .config log report