syzbot


INFO: task can't die in blk_mq_freeze_queue_wait
Status: upstream: reported on 2021/11/15 03:03
Reported-by: syzbot+81f844673361aa0541a0@syzkaller.appspotmail.com
Fix commit: 95febeb61bf8 block: fix missing queue put in error path
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce]
First crash: 31d, last: 13d
duplicates (7):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in __loop_clr_fd 1207 13d 19d 0/22 closed as dup on 2021/11/21 14:01
INFO: task hung in nbd_add_socket 73 14d 16d 0/22 closed as dup on 2021/11/21 13:59
INFO: task hung in blk_mq_freeze_queue (2) 79 16d 16d 0/22 closed as dup on 2021/11/21 13:58
INFO: task hung in lo_release (2) 38 14d 14d 0/22 closed as dup on 2021/11/23 00:29
INFO: task hung in loop_set_status 109 16d 18d 0/22 closed as dup on 2021/11/21 14:00
INFO: task hung in del_gendisk (2) 56 14d 15d 0/22 closed as dup on 2021/11/21 13:57
INFO: task hung in blkdev_get_by_dev (2) 1720 3d05h 19d 0/22 closed as dup on 2021/11/21 14:02
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in __loop_clr_fd 1207 13d 19d 0/22 closed as dup on 2021/11/21 14:01
upstream INFO: task hung in nbd_add_socket 73 14d 16d 0/22 closed as dup on 2021/11/21 13:59
linux-4.14 INFO: task hung in nbd_add_socket 1 273d 273d 0/1 auto-closed as invalid on 2021/07/06 19:04
linux-4.19 INFO: task hung in nbd_add_socket C error 5 80d 273d 0/1 upstream: reported C repro on 2021/03/08 23:07
upstream INFO: task hung in del_gendisk C done 5 115d 148d 22/22 fixed on 2021/11/10 00:50
upstream INFO: task hung in del_gendisk (2) 56 14d 15d 0/22 closed as dup on 2021/11/21 13:57
linux-4.14 INFO: task hung in lo_release (2) C 14 27d 628d 0/1 upstream: reported C repro on 2020/03/19 00:28
upstream INFO: task hung in lo_release (2) 38 14d 14d 0/22 closed as dup on 2021/11/23 00:29
upstream INFO: task hung in loop_set_status 109 16d 18d 0/22 closed as dup on 2021/11/21 14:00

Sample crash report:

Crashes (221):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/11/23 05:43 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/23 05:31 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/23 04:11 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/23 03:04 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 22:14 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 21:03 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 19:45 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 17:28 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 16:12 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 14:46 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 13:21 linux-next 5191249f8803 545ab074 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 11:02 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 09:18 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 08:07 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 05:17 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 03:41 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 01:51 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 00:31 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/22 00:09 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 22:30 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 20:01 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 19:01 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 17:31 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 16:01 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 14:54 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 12:59 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/21 11:48 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 22:33 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 20:49 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 19:58 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 18:42 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 16:52 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 14:45 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 13:40 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 10:37 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 07:59 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 07:00 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 04:32 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/20 00:03 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/19 21:47 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/19 19:04 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/19 15:33 linux-next 5191249f8803 3a9d0024 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/15 03:02 linux-next 09bd48c4acfa 83f5c9b5 .config log report info INFO: task can't die in blk_mq_freeze_queue_wait
ci-upstream-linux-next-kasan-gce-root 2021/11/06 00:47 linux-next b477ae38e815 4c1be0be .config log report info INFO: task can't die in blk_mq_freeze_queue_wait