syzbot


INFO: task hung in xlog_grant_head_check
Status: upstream: reported C repro on 2018/05/21 17:55
Reported-by: syzbot+568245b88fbaedcb1959@syzkaller.appspotmail.com
First crash: 1164d, last: 377d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: INFO: task hung in xlog_grant_head_check (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in xlog_grant_head_check C inconclusive 7 380d 534d 0/1 upstream: reported C repro on 2020/02/10 12:53
linux-4.19 INFO: task hung in xlog_grant_head_check 1 762d 762d 0/1 auto-closed as invalid on 2019/10/25 08:51
linux-4.19 INFO: task hung in xlog_grant_head_check (2) 3 403d 452d 0/1 auto-closed as invalid on 2020/10/17 16:39

Sample crash report:

Crashes (37):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/03/11 06:50 upstream f35111a94654 35f53e45 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/08 12:10 upstream c20037652700 2e9971bb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/05 15:55 upstream 63623fd44972 c88c7b75 .config log report syz C
ci-upstream-kasan-gce-root 2018/05/20 18:12 upstream 203ec2fed17a f48c20b8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/07/01 07:11 upstream 9ebcfadb0610 917afeaa .config log report
ci-upstream-kasan-gce-smack-root 2019/02/16 17:08 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/11 02:37 upstream df3865f8f568 b4f792e4 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/08 23:48 upstream 74e96711e337 fa6c7b70 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/03 14:09 upstream 12491ed354d2 c198d5dd .config log report
ci-upstream-kasan-gce-root 2019/02/03 14:03 upstream 12491ed354d2 c198d5dd .config log report
ci-upstream-kasan-gce-smack-root 2019/01/21 02:01 upstream 6e693b3ffecb fd37a550 .config log report
ci-upstream-kasan-gce-root 2019/01/21 01:52 upstream 6e693b3ffecb fd37a550 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/15 21:35 upstream fe76fc6aaf53 79cb1a7c .config log report
ci-upstream-kasan-gce-root 2019/01/10 07:00 upstream 4064e47c8281 45c0c1b1 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/09 19:33 upstream a88cc8da0279 45c0c1b1 .config log report
ci-upstream-kasan-gce-root 2018/12/25 16:12 upstream 8fe28cb58bcb 8a41a0ad .config log report
ci-upstream-kasan-gce-root 2018/12/16 03:05 upstream 6531e115b7ab def91db3 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/16 01:51 upstream 6531e115b7ab def91db3 .config log report
ci-upstream-kasan-gce-root 2018/12/15 13:52 upstream 6531e115b7ab c9128939 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/11 16:11 upstream f5d582777bcb 7795ae03 .config log report
ci-upstream-kasan-gce-root 2018/12/10 16:30 upstream 40e020c129cf 6565f24d .config log report
ci-upstream-kasan-gce-root 2018/12/09 17:05 upstream 8214bdf7d3e6 979179d6 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/03 16:43 upstream 2595646791c3 819002b0 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/25 14:29 upstream e195ca6cb6f2 3d3ec907 .config log report
ci-upstream-kasan-gce-smack-root 2018/11/10 11:55 upstream aa4330e15c26 f9815aaf .config log report
ci-upstream-kasan-gce-root 2018/10/10 02:17 upstream 64c5e530ac2c 8b311eaf .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/05 15:41 upstream befad944e231 8b311eaf .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/16 08:56 linux-next ca0e494af5ed f3bec699 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/18 17:05 linux-next cb916fc5eabf 59f36113 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/11 19:58 linux-next d4104460aec1 73f5f452 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/04 18:58 linux-next dc4c89997735 d672172c .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/26 02:58 linux-next 494367cb57c9 ebf7a37c .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/17 19:52 linux-next a37d50ca3b83 769e75ed .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/12 05:31 linux-next b808822a75a3 c3f3344c .config log report
ci-upstream-linux-next-kasan-gce-root 2018/12/05 04:26 linux-next 442b8cea2477 f162ad97 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/10/16 01:15 linux-next ca0591d03a2d 8cd30605 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/10/12 02:44 linux-next 771b65e89c8a ba6ddb43 .config log report