syzbot


INFO: task hung in synchronize_rcu
Status: upstream: reported on 2019/11/08 21:27
Reported-by: syzbot+2911186fc91302d7feac@syzkaller.appspotmail.com
First crash: 759d, last: 7d07h
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in synchronize_rcu (3) C done 321 23d 502d 0/22 upstream: reported C repro on 2020/07/22 18:22
android-49 INFO: task hung in synchronize_rcu 1 738d 738d 0/3 auto-closed as invalid on 2020/03/28 16:57
linux-4.14 INFO: task hung in synchronize_rcu C error 116 51d 761d 0/1 upstream: reported C repro on 2019/11/07 04:32
upstream INFO: task hung in synchronize_rcu syz done 1206 738d 765d 15/22 fixed on 2019/11/29 15:48
android-414 INFO: task hung in synchronize_rcu 1 756d 756d 0/1 auto-closed as invalid on 2020/03/10 10:42
upstream INFO: task hung in synchronize_rcu (2) 8 737d 738d 0/22 closed as invalid on 2019/11/30 16:54

Sample crash report:

Crashes (31):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/11/30 02:47 linux-4.19.y 3f8a27f9e27b d0830353 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/11/29 02:06 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/11/03 06:02 linux-4.19.y 3f8a27f9e27b 17f3edd2 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/10/25 08:19 linux-4.19.y 3f8a27f9e27b 4f0000ee .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/10/03 12:50 linux-4.19.y c2276d585654 db0f5787 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/09/15 16:43 linux-4.19.y b172b44fcb17 07e953c1 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/08/19 08:55 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/22 02:31 linux-4.19.y eb575cd5d7f6 aba2b2fb .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/13 09:07 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/06 21:47 linux-4.19.y 1722257b8ece 500c2339 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/05/09 15:48 linux-4.19.y 3c8c23092588 bc5434be .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/04/19 02:08 linux-4.19.y 2965db2e004c 7e2b734b .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/03/11 13:59 linux-4.19.y 030194a5b292 c2ca1f2a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/03/05 01:53 linux-4.19.y dfb571610ba3 f89ed068 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/24 07:03 linux-4.19.y 2d19be4653f5 fcc6d71b .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/07 12:06 linux-4.19.y 811218eceeaa 2ce644fc .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/03 23:12 linux-4.19.y 811218eceeaa 624dad51 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/01 11:17 linux-4.19.y 811218eceeaa fc9fd31e .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/01/09 06:20 linux-4.19.y 4143d798313f c104d4a3 .config log report info
ci2-linux-4-19 2021/01/05 22:37 linux-4.19.y 3207316b3bee b1c228e1 .config log report info
ci2-linux-4-19 2020/10/15 05:09 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/02 15:04 linux-4.19.y b09c34517e1a 062c9832 .config log report info
ci2-linux-4-19 2020/08/07 09:10 linux-4.19.y 961f830af065 cb436c69 .config log report
ci2-linux-4-19 2020/05/10 03:19 linux-4.19.y 84920cc7fbe1 8742a2b9 .config log report
ci2-linux-4-19 2020/02/20 18:48 linux-4.19.y 4fccc2503536 81230308 .config log report
ci2-linux-4-19 2020/01/19 05:25 linux-4.19.y dc4ba5be1bab bc8bc756 .config log report
ci2-linux-4-19 2020/01/16 02:28 linux-4.19.y db5b9190ff82 f9b69507 .config log report
ci2-linux-4-19 2019/12/30 11:25 linux-4.19.y 672481c2deff af6b8ef8 .config log report
ci2-linux-4-19 2019/12/14 10:56 linux-4.19.y 312017a460d5 eef6e580 .config log report
ci2-linux-4-19 2019/12/05 23:21 linux-4.19.y fb683b5e3f53 9fd5a512 .config log report
ci2-linux-4-19 2019/11/08 20:26 linux-4.19.y 5ee93551c703 1e35461e .config log report