syzbot


INFO: task hung in blkdev_put (4)

Status: upstream: reported C repro on 2020/10/03 13:09
Reported-by: syzbot+9a29d5e745bd7523c851@syzkaller.appspotmail.com
First crash: 805d, last: 1d11h

Cause bisection: introduced by (bisect log) :
commit 2da22da573481cc4837e246d0eee4d518b3f715e
Author: Mike Christie <mchristi@redhat.com>
Date: Tue Aug 13 16:39:52 2019 +0000

  nbd: fix zero cmd timeout handling v2

Crash: INFO: task hung in blkdev_put (log)
Repro: C syz .config
similar bugs (13):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in blkdev_put (3) 1 885d 885d 0/24 auto-closed as invalid on 2020/06/25 13:28
android-49 INFO: task hung in blkdev_put (2) 3 1048d 1067d 0/3 auto-closed as invalid on 2020/03/14 12:22
linux-4.19 INFO: task hung in blkdev_put C error 31 32d 796d 0/1 upstream: reported C repro on 2020/07/23 21:33
upstream INFO: task hung in blkdev_put 320 1326d 1753d 0/24 closed as dup on 2018/11/11 08:29
linux-4.14 INFO: task hung in blkdev_put 2 1110d 1259d 0/1 auto-closed as invalid on 2020/01/12 01:56
linux-4.14 INFO: task hung in blkdev_put (3) C error 15 73d 758d 0/1 upstream: reported C repro on 2020/08/30 21:52
android-49 INFO: task hung in blkdev_put 220 1246d 1263d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 INFO: task hung in blkdev_put (2) 2 914d 952d 0/1 auto-closed as invalid on 2020/07/26 14:38
android-414 INFO: task hung in blkdev_put 119 1032d 1264d 0/1 auto-closed as invalid on 2020/03/30 04:06
android-44 INFO: task hung in blkdev_put 26 1332d 1263d 0/2 auto-closed as invalid on 2019/08/03 02:42
android-44 INFO: task hung in blkdev_put (2) 3 1043d 1121d 0/2 auto-closed as invalid on 2020/03/18 19:27
upstream INFO: task hung in blkdev_put (2) 2 1039d 1085d 0/24 auto-closed as invalid on 2020/02/22 04:07
upstream INFO: task can't die in blkdev_put 3 677d 715d 0/24 auto-closed as invalid on 2021/01/19 09:44

Sample crash report:
INFO: task syz-executor200:3607 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor200 state:D stack:25984 pid: 3607 ppid:  3606 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x957/0xe20 kernel/sched/core.c:6494
 schedule+0xcb/0x190 kernel/sched/core.c:6570
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629
 __mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
 blkdev_put+0x100/0x730 block/bdev.c:910
 blkdev_close+0x55/0x80 block/fops.c:499
 __fput+0x3b9/0x820 fs/file_table.c:320
 task_work_run+0x146/0x1c0 kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x55e/0x20a0 kernel/exit.c:795
 do_group_exit+0x23b/0x2f0 kernel/exit.c:925
 get_signal+0x172f/0x1780 kernel/signal.c:2857
 arch_do_signal_or_restart+0x8d/0x750 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x74/0x160 kernel/entry/common.c:166
 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5693cf56a9
RSP: 002b:00007ffd44ef0598 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f5693cf56a9
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd44ef0738 R09: 00007ffd44ef0738
R10: 00007ffd44ef0738 R11: 0000000000000246 R12: 00007f5693cb4730
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8cd20a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8cd21270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
 #0: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by syslogd/2954:
 #0: ffff8880b9a39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:544
 #1: ffff8880b9a27748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53a/0x8a0 kernel/sched/psi.c:876
2 locks held by getty/3287:
 #0: ffff88814b0d3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
1 lock held by syz-executor200/3607:
 #0: ffff88801f43b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x100/0x730 block/bdev.c:910
1 lock held by udevd/3609:
 #0: ffff88801f43b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0xfd/0xa40 block/bdev.c:812

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x47c/0x4b0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xcd5/0xd20 kernel/hung_task.c:369
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5407 [inline]
RIP: 0010:lock_is_held_type+0xa6/0x190 kernel/locking/lockdep.c:5709
Code: c9 75 41 83 bd 70 0a 00 00 00 7e 53 4c 89 ed 48 81 c5 78 0a 00 00 31 db 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 83 fb 31 73 24 <48> 89 ef 4c 89 fe e8 ff 01 00 00 85 c0 75 2a 48 ff c3 49 63 85 70
RSP: 0018:ffffc90000107598 EFLAGS: 00000083
RAX: 0000000000000006 RBX: 0000000000000001 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8cd20820 RDI: ffff88801224c578
RBP: ffff88801224c5a0 R08: dffffc0000000000 R09: fffffbfff1c4b58e
R10: fffffbfff1c4b58e R11: 1ffffffff1c4b58d R12: 0000000000000046
R13: ffff88801224bb00 R14: 00000000ffffffff R15: ffffffff8cd20820
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea99a80e8 CR3: 0000000012308000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_is_held include/linux/lockdep.h:283 [inline]
 rcu_read_lock_sched_held+0x89/0x130 kernel/rcu/update.c:125
 trace_tlb_flush+0x7a/0x190 include/trace/events/tlb.h:38
 switch_mm_irqs_off+0x59d/0x8f0
 use_temporary_mm arch/x86/kernel/alternative.c:1033 [inline]
 __text_poke+0x5c2/0x9d0 arch/x86/kernel/alternative.c:1144
 text_poke arch/x86/kernel/alternative.c:1208 [inline]
 text_poke_bp_batch+0x1b7/0x970 arch/x86/kernel/alternative.c:1487
 text_poke_flush arch/x86/kernel/alternative.c:1660 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1667
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 toggle_allocation_gate+0x3d8/0x470 mm/kfence/core.c:825
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.009 msecs

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/01/19 15:55 upstream 1e2a199f6ccd 1b88c6d5 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/12/20 13:50 upstream 467f8165a2b0 1b88c6d5 .config log report syz C
* Struck through repros no longer work on HEAD.
Crashes (251):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2022/09/16 11:08 upstream 3245cb65fd91 dd9a85ff .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/11 19:27 upstream b96fbd602d35 356d8217 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/11 12:57 upstream b96fbd602d35 356d8217 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/09 11:15 upstream 506357871c18 f3027468 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/08 23:18 upstream 26b1224903b3 f3027468 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/29 12:44 upstream 8379c0b31fbc 07177916 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/28 00:29 upstream e022620b5d05 07177916 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/21 19:01 upstream 15b3f48a4339 26a13b38 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/17 23:01 upstream 7ebfc85e2cd7 4e72d229 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/08/11 10:55 upstream 200e340f2196 a6201f11 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/05 04:42 upstream 200e340f2196 1c9013ac .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/04 23:19 upstream 200e340f2196 1c9013ac .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/04 21:09 upstream 200e340f2196 1c9013ac .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/01 22:50 upstream 3d7cb6b04c3f fef302b1 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/01 03:59 upstream 334c0ef6429f fef302b1 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/07/23 10:07 upstream 4ba1329cbb94 22343af4 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/07/21 19:01 upstream 353f7988dd84 6e67af9d .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/07/21 17:21 upstream 353f7988dd84 6e67af9d .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/17 19:03 upstream 972a278fe60c 95cb00d1 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/15 06:22 upstream 9bd572ec7a66 5d921b08 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/08 09:24 upstream e8a4e1c1bb69 bff65f44 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/05 10:33 upstream c1084b6c5620 bff65f44 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/03 13:09 upstream 34074da5424c 1434eec0 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/03 11:12 upstream 34074da5424c 1434eec0 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/07/02 19:50 upstream 089866061428 1434eec0 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/07/02 10:03 upstream 089866061428 1434eec0 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/06/27 12:01 upstream 03c765b0e3b4 a371c43c .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/06/26 15:42 upstream 0840a7914caa a371c43c .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/09/15 00:54 linux-next e47eb90a0a9a b884348d .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/30 04:30 linux-next b27a3ca08ba7 5b44472d .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/27 12:33 linux-next 8d0c42c9e807 07177916 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/27 08:07 linux-next 8d0c42c9e807 07177916 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/24 07:16 linux-next 05477f3653b8 cea8b0f7 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/23 23:28 linux-next 05477f3653b8 cea8b0f7 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/21 04:22 linux-next 8755ae45a9e8 26a13b38 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/17 18:34 linux-next 95d10484d66e 4e72d229 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/15 09:17 linux-next 6c8f479764eb 8dfcaa3d .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/12 03:44 linux-next 6c8f479764eb 787ed7e0 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/07 21:35 linux-next cb71b93c2dc3 88e3a122 .config log report syz C INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/06/26 01:01 linux-next 2f9cb3d3bd73 a371c43c .config log report syz C INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2020/09/29 13:03 upstream fb0155a09b02 1b88c6d5 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2022/09/27 05:55 upstream 3800a713b607 10323ddf .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/24 08:01 upstream 1707c39ae309 0042f2b4 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/23 15:31 upstream bf682942cd26 0042f2b4 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/21 07:05 upstream 60891ec99e14 c4b8ccfd .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/17 05:14 upstream 6879c2d3b960 dd9a85ff .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/12 05:33 upstream 4ed9c1e971b1 356d8217 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/12 04:23 upstream 4ed9c1e971b1 356d8217 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/11 19:20 upstream b96fbd602d35 356d8217 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/11 16:49 upstream b96fbd602d35 356d8217 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/11 03:30 upstream b96fbd602d35 356d8217 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/08 22:36 upstream 26b1224903b3 f3027468 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/06 20:44 upstream 53e99dcff61e 65aea2b9 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/06 04:29 upstream 7e18e42e4b28 9dcd38fc .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/04 16:36 upstream 7726d4c3e60b 28811d0a .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/09/04 13:59 upstream 7726d4c3e60b 28811d0a .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/02 17:03 upstream 42e66b1cc3a0 25194605 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/09/02 15:14 upstream 42e66b1cc3a0 25194605 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/09/01 10:42 upstream c5e4d5e99162 b01ec571 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/31 09:13 upstream dcf8e5633e2e 4a380809 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/08/31 04:46 upstream dcf8e5633e2e 4a380809 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/08/20 22:52 upstream 50cd95ac4654 26a13b38 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root 2022/08/17 01:47 upstream 7ebfc85e2cd7 7a7cb304 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/15 00:33 upstream 7ebfc85e2cd7 8dfcaa3d .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/08 03:11 upstream 200e340f2196 88e3a122 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/04 10:32 upstream 200e340f2196 1c9013ac .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root 2022/08/02 08:10 upstream 9de1f9c8ca51 fef302b1 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2022/06/29 02:51 upstream 941e3e791269 496a8536 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce 2021/11/14 03:39 upstream ccfff0a2bd2a 83f5c9b5 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/09/25 05:12 linux-next aaa11ce2ffc8 0042f2b4 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/09/06 08:29 linux-next e47eb90a0a9a 9dcd38fc .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/26 19:30 linux-next 8d0c42c9e807 e5a303f1 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/12 18:01 linux-next 6c8f479764eb 402cd70d .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/08/02 20:30 linux-next cb71b93c2dc3 1c9013ac .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/07/23 12:16 linux-next cb71b93c2dc3 22343af4 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/07/10 02:09 linux-next cb71b93c2dc3 b5765a15 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/07/05 22:12 linux-next cb71b93c2dc3 bff65f44 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/07/02 17:15 linux-next cb71b93c2dc3 1434eec0 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/07/02 14:40 linux-next cb71b93c2dc3 1434eec0 .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/06/28 15:41 linux-next cb71b93c2dc3 ef82eb2c .config log report info INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2022/06/28 08:53 linux-next aab35c3d5112 ef82eb2c .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/24 06:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/07 05:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 25050c56fa3c 5fc30c37 .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/07 03:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 25050c56fa3c 5fc30c37 .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/05 16:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 922294ab .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/04 20:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/09/02 09:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e a805568e .config log report info INFO: task hung in blkdev_put
ci-upstream-gce-arm64 2022/08/23 12:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root 2020/07/14 17:36 upstream 0dc589da873b ce4c95b3 .config log report
ci-upstream-linux-next-kasan-gce-root 2021/11/21 01:35 linux-next 5191249f8803 4eb20a4e .config log report info INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root 2020/11/20 08:20 linux-next 95065cb54210 0767f13f .config log report info
* Struck through repros no longer work on HEAD.