syzbot


INFO: task hung in d_alloc_parallel
Status: upstream: reported C repro on 2019/08/14 00:43
Reported-by: syzbot+7e73f7fd42e647eb1e57@syzkaller.appspotmail.com
First crash: 891d, last: 282d

Fix bisection: failed (bisect log)
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in d_alloc_parallel 85 863d 1013d 0/3 auto-closed as invalid on 2020/01/08 20:52
android-414 INFO: task hung in d_alloc_parallel 1 823d 823d 0/1 auto-closed as invalid on 2020/02/18 04:29
linux-4.19 INFO: task hung in d_alloc_parallel syz error 3 352d 629d 0/1 upstream: reported syz repro on 2020/05/01 20:49
upstream INFO: task hung in d_alloc_parallel 213 1057d 1388d 0/22 closed as dup on 2018/09/08 15:40
upstream INFO: task hung in d_alloc_parallel (2) C done error 145 110d 821d 0/22 upstream: reported C repro on 2019/10/22 22:44

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/10/21 18:53 linux-4.14.y b98aebd29824 b24d2b8a .config log report syz C
ci2-linux-4-14 2019/10/02 03:03 linux-4.14.y f6e27dbb1afa b7a87a83 .config log report syz C
ci2-linux-4-14 2019/08/13 23:42 linux-4.14.y 3ffe1e79c174 74d61399 .config log report syz C
ci2-linux-4-14 2021/04/13 22:48 linux-4.14.y 958e517f4e16 a184b83e .config log report info INFO: task hung in d_alloc_parallel