syzbot


INFO: rcu detected stall in pie_timer
Status: fixed on 2019/10/15 23:40
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 4ce70b4aed57 net-backports: net: sched: sch_htb: don't call qdisc_put() while holding tree lock
First crash: 744d, last: 709d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in pie_timer (4) 1 122d 122d 0/22 auto-closed as invalid on 2021/08/22 00:34
upstream INFO: rcu detected stall in pie_timer (2) 2 704d 707d 0/22 auto-closed as invalid on 2020/01/18 03:16
upstream INFO: rcu detected stall in pie_timer (3) 4 381d 450d 0/22 auto-closed as invalid on 2020/12/06 09:21
linux-4.19 INFO: rcu detected stall in pie_timer C 9 27d 745d 0/1 upstream: reported C repro on 2019/09/09 01:30

Sample crash report:

Crashes (19):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2019/09/22 07:47 linux-next b5b3bd898ba9 d96e88f3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/10/15 05:53 upstream 4f5cafb5cb84 05ad7292 .config log report
ci-upstream-kasan-gce-root 2019/10/06 11:32 upstream 43b815c6a8e7 f3f7d9c8 .config log report
ci-upstream-kasan-gce-smack-root 2019/10/02 14:05 upstream 54ecb8f7028c 2e29b534 .config log report
ci-upstream-kasan-gce-root 2019/09/27 15:55 upstream da05b5ea12c1 d8074e0b .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/19 02:13 upstream d013cc800a2a 46c0be24 .config log report
ci-upstream-kasan-gce-smack-root 2019/09/16 14:39 upstream 4d856f72c10e cb936299 .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/16 13:41 upstream 4d856f72c10e cb936299 .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/15 03:32 upstream 1609d7604b84 32d59357 .config log report
ci-upstream-kasan-gce-smack-root 2019/09/13 18:47 upstream 505a8ec7e11a 40fa42bc .config log report
ci-upstream-kasan-gce-root 2019/09/13 16:23 upstream 505a8ec7e11a 40fa42bc .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/12 23:21 upstream ad32b4800c2b 0b7672ee .config log report
ci-upstream-kasan-gce-root 2019/09/10 17:23 upstream 3120b9a6a3f7 a60cb4cd .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/10 17:05 upstream 3120b9a6a3f7 a60cb4cd .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/09 15:34 upstream f74c2bb98776 a60cb4cd .config log report
ci-upstream-kasan-gce-smack-root 2019/09/09 12:24 upstream f74c2bb98776 a60cb4cd .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/09 18:53 linux-next 1ba4389f4572 312c6a5a .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/06 18:31 linux-next 311ef88adfa3 f3f7d9c8 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/04 14:50 linux-next 311ef88adfa3 b2f369e5 .config log report