INFO: task hung in blkdev

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: 461d, last: 6h13m

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	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in blkdev_put (3)		1	540d	540d	0/22	auto-closed as invalid on 2020/06/25 13:28
android-49	INFO: task hung in blkdev_put (2)		3	703d	722d	0/3	auto-closed as invalid on 2020/03/14 12:22
linux-4.19	INFO: task hung in blkdev_put	C	18	12d	452d	0/1	upstream: reported C repro on 2020/07/23 21:33
upstream	INFO: task hung in blkdev_put		320	982d	1408d	0/22	closed as dup on 2018/11/11 08:29
linux-4.14	INFO: task hung in blkdev_put		2	765d	915d	0/1	auto-closed as invalid on 2020/01/12 01:56
linux-4.14	INFO: task hung in blkdev_put (3)	C	11	7d04h	414d	0/1	upstream: reported C repro on 2020/08/30 21:52
android-49	INFO: task hung in blkdev_put		220	901d	918d	0/3	auto-closed as invalid on 2019/10/25 08:47
linux-4.14	INFO: task hung in blkdev_put (2)		2	569d	607d	0/1	auto-closed as invalid on 2020/07/26 14:38
android-414	INFO: task hung in blkdev_put		119	687d	920d	0/1	auto-closed as invalid on 2020/03/30 04:06
android-44	INFO: task hung in blkdev_put		26	987d	918d	0/2	auto-closed as invalid on 2019/08/03 02:42
android-44	INFO: task hung in blkdev_put (2)		3	699d	776d	0/2	auto-closed as invalid on 2020/03/18 19:27
upstream	INFO: task hung in blkdev_put (2)		2	694d	740d	0/22	auto-closed as invalid on 2020/02/22 04:07
upstream	INFO: task can't die in blkdev_put		3	332d	370d	0/22	auto-closed as invalid on 2021/01/19 09:44

Sample crash report:

INFO: task syz-executor490:6539 blocked for more than 143 seconds.
      Not tainted 5.15.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor490 state:D stack:27512 pid: 6539 ppid:  6538 flags:0x00004006
Call Trace:
 context_switch kernel/sched/core.c:4940 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6287
 schedule+0xd3/0x270 kernel/sched/core.c:6366
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
 __mutex_lock_common kernel/locking/mutex.c:669 [inline]
 __mutex_lock+0xa34/0x12f0 kernel/locking/mutex.c:729
 blkdev_put+0x97/0x9e0 block/bdev.c:911
 blkdev_close+0x8d/0xb0 block/fops.c:460
 __fput+0x288/0x9f0 fs/file_table.c:280
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xbae/0x2a30 kernel/exit.c:825
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x47f/0x2160 kernel/signal.c:2868
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f44ed8046b9
RSP: 002b:00007fffe2cbf6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f44ed8046b9
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007fffe2cbf868 R09: 00007fffe2cbf868
R10: 000000000000ffff R11: 0000000000000246 R12: 00007f44ed7c3740
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
INFO: task systemd-udevd:6543 blocked for more than 143 seconds.
      Not tainted 5.15.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd   state:D stack:26784 pid: 6543 ppid:  2972 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4940 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6287
 schedule+0xd3/0x270 kernel/sched/core.c:6366
 io_schedule+0xba/0x130 kernel/sched/core.c:8389
 wait_on_page_bit_common+0x537/0xe60 mm/filemap.c:1356
 wait_on_page_bit mm/filemap.c:1417 [inline]
 wait_on_page_locked include/linux/pagemap.h:688 [inline]
 wait_on_page_read mm/filemap.c:3422 [inline]
 do_read_cache_page+0x96b/0x13c0 mm/filemap.c:3465
 read_mapping_page include/linux/pagemap.h:515 [inline]
 read_part_sector+0xfa/0x5c0 block/partitions/core.c:725
 adfspart_check_ICS+0x9d/0xc90 block/partitions/acorn.c:360
 check_partition block/partitions/core.c:147 [inline]
 blk_add_partitions block/partitions/core.c:610 [inline]
 bdev_disk_changed+0x7bc/0x1140 block/partitions/core.c:696
 blkdev_get_whole+0x206/0x2a0 block/bdev.c:681
 blkdev_get_by_dev.part.0+0x354/0xb60 block/bdev.c:823
 blkdev_get_by_dev+0x6b/0x80 block/bdev.c:856
 blkdev_open+0x154/0x2b0 block/fops.c:448
 do_dentry_open+0x4c8/0x11d0 fs/open.c:822
 do_open fs/namei.c:3428 [inline]
 path_openat+0x1c9a/0x2740 fs/namei.c:3561
 do_filp_open+0x1aa/0x400 fs/namei.c:3588
 do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
 do_sys_open fs/open.c:1216 [inline]
 __do_sys_open fs/open.c:1224 [inline]
 __se_sys_open fs/open.c:1220 [inline]
 __x64_sys_open+0x119/0x1c0 fs/open.c:1220
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb9c15c7840
RSP: 002b:00007fffeee838e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055a29a3894f0 RCX: 00007fb9c15c7840
RDX: 000055a298b55fe3 RSI: 00000000000a0800 RDI: 000055a29a387ad0
RBP: 00007fffeee83a60 R08: 000055a298b55670 R09: 0000000000000010
R10: 000055a298b55d0c R11: 0000000000000246 R12: 00007fffeee839b0
R13: 000055a29a377790 R14: 0000000000000003 R15: 000000000000000e

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8b97d460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446
1 lock held by in:imklog/6239:
1 lock held by syz-executor490/6539:
 #0: ffff88801be51118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x97/0x9e0 block/bdev.c:911
1 lock held by systemd-udevd/6543:
 #0: ffff88801be51118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb60 block/bdev.c:816

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

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xc1d/0xf50 kernel/hung_task.c:295
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2966 Comm: systemd-journal Not tainted 5.15.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:46 [inline]
RIP: 0010:unwind_get_return_address+0x1a/0x90 arch/x86/kernel/unwind_orc.c:315
Code: 7d 88 00 eb 80 66 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 89 fb 0f b6 04 02 <84> c0 74 04 3c 03 7e 51 8b 03 85 c0 75 05 5b 31 c0 5d c3 48 8d 6b
RSP: 0018:ffffc90002fb79f8 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffffc90002fb7a10 RCX: 0000000000000000
RDX: 1ffff920005f6f42 RSI: ffffc90002fb7cf8 RDI: ffffc90002fb7a10
RBP: ffffc90002fb7a98 R08: ffffffff8df314e0 R09: 0000000000000001
R10: fffff520005f6f4d R11: 0000000000086089 R12: ffffc90002fb7ac8
R13: 0000000000000000 R14: ffff8880187fc040 R15: 000000a6f0e5fbe9
FS:  00007fe2515ab8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe24e999010 CR3: 00000000765be000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 save_stack+0x151/0x1e0 mm/page_owner.c:119
 __reset_page_owner+0x5d/0x170 mm/page_owner.c:140
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1338 [inline]
 free_pcp_prepare+0x2c5/0x780 mm/page_alloc.c:1389
 free_unref_page_prepare mm/page_alloc.c:3315 [inline]
 free_unref_page+0x19/0x690 mm/page_alloc.c:3394
 slab_destroy mm/slab.c:1627 [inline]
 slabs_destroy+0x89/0xc0 mm/slab.c:1647
 cache_flusharray mm/slab.c:3418 [inline]
 ___cache_free+0x4c6/0x610 mm/slab.c:3480
 qlink_free mm/kasan/quarantine.c:146 [inline]
 qlist_free_all+0x4e/0x110 mm/kasan/quarantine.c:165
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272
 __kasan_slab_alloc+0x92/0xa0 mm/kasan/common.c:444
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook mm/slab.h:519 [inline]
 slab_alloc mm/slab.c:3323 [inline]
 kmem_cache_alloc+0x25f/0x540 mm/slab.c:3507
 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
 getname_flags include/linux/audit.h:319 [inline]
 getname fs/namei.c:217 [inline]
 __do_sys_mkdir fs/namei.c:3931 [inline]
 __se_sys_mkdir fs/namei.c:3929 [inline]
 __x64_sys_mkdir+0xda/0x140 fs/namei.c:3929
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe250866687
Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc45a0bb68 EFLAGS: 00000293 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffc45a0ebd0 RCX: 00007fe250866687
RDX: 0000000000000000 RSI: 00000000000001ed RDI: 000055e2fa91b8c0
RBP: 00007ffc45a0bba0 R08: 000055e2f967b3e5 R09: 0000000000000018
R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 000055e2fa91b8c0 R15: 00007ffc45a0c1e0
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.106 msecs
----------------
Code disassembly (best guess):
   0:	7d 88                	jge    0xffffff8a
   2:	00 eb                	add    %ch,%bl
   4:	80 66 66 2e          	andb   $0x2e,0x66(%rsi)
   8:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   f:	00
  10:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  17:	fc ff df
  1a:	48 89 fa             	mov    %rdi,%rdx
  1d:	55                   	push   %rbp
  1e:	48 c1 ea 03          	shr    $0x3,%rdx
  22:	53                   	push   %rbx
  23:	48 89 fb             	mov    %rdi,%rbx
  26:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	74 04                	je     0x32
  2e:	3c 03                	cmp    $0x3,%al
  30:	7e 51                	jle    0x83
  32:	8b 03                	mov    (%rbx),%eax
  34:	85 c0                	test   %eax,%eax
  36:	75 05                	jne    0x3d
  38:	5b                   	pop    %rbx
  39:	31 c0                	xor    %eax,%eax
  3b:	5d                   	pop    %rbp
  3c:	c3                   	retq
  3d:	48                   	rex.W
  3e:	8d                   	.byte 0x8d
  3f:	6b                   	.byte 0x6b

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

Crashes (73):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/10/11 00:31	upstream	efb52a7d9511	838e7e2c	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/09/24 16:35	upstream	f9e36107ec70	8cac236e	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/09/24 12:17	upstream	f9e36107ec70	8cac236e	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/08/30 00:00	upstream	64b4fc45bea6	be2c130d	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/08/15 09:32	upstream	ba31f97d43be	2489ab88	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/07/31 12:45	upstream	c7d102232649	6c236867	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/06/25 07:10	upstream	4a09d388f2ab	0edbbe31	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/05/29 06:06	upstream	5ff2756afde0	858ea628	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/04/26 04:44	upstream	9f4ad9e425a1	2a82f1b3	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/02/19 12:37	upstream	f40ddce88593	14052202	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/02/15 14:00	upstream	f40ddce88593	98682e5e	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/02/09 10:07	upstream	e0756cfc7d7c	2bd9619f	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/09/12 15:38	linux-next	aa14a3016182	5ae8508a	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/09/01 22:21	linux-next	c1b13fe76e95	7eb7e152	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/07/18 21:02	linux-next	c1a6d08348fc	f115ae98	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/04/02 23:22	linux-next	454c576c3f5e	6a81331a	.config	log	report	syz	C		INFO: task hung in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/01/21 20:42	linux-next	bc085f8fc88f	d4f4eca5	.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-linux-next-kasan-gce-root	2020/10/30 23:57	linux-next	4e78c578cb98	a6e3ac3b	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2021/10/18 18:06	upstream	cf52ad5ff16c	0c5d9412	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/10/15 02:00	upstream	26d657410983	7aa5fe41	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/10/06 18:00	upstream	60a9483534ed	0a63fd36	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/10/06 06:10	upstream	f6274b06e326	0a63fd36	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/10/02 22:59	upstream	ab2a7a35c4e7	db0f5787	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/09/26 06:28	upstream	a5e0aceabef6	8cac236e	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/09/16 20:07	upstream	ff1ffd71d5f0	aae492f2	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/09/08 04:00	upstream	a2b28235335f	064c9eb7	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/09/06 11:17	upstream	0319b848b155	d236a457	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/09/03 14:42	upstream	a9c9a6f741cd	f62a5829	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/09/02 20:31	upstream	4ac6d90867a4	15cea0a3	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/09/02 11:21	upstream	4ac6d90867a4	7eb7e152	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/08/30 03:00	upstream	90ac80dcd313	be2c130d	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/08/28 06:22	upstream	1a6436f37512	d5a29e53	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/08/18 04:37	upstream	794c7931a242	a2fe1cb5	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/08/17 14:47	upstream	a2824f19e606	33c26cb7	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/08/15 06:53	upstream	ba31f97d43be	2489ab88	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/08/01 11:11	upstream	f3438b4c4e69	6c236867	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/07/17 15:54	upstream	d980cc0620ae	f115ae98	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/07/13 20:52	upstream	40226a3d96ef	fa0594c3	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/07/04 02:55	upstream	3dbdb38e2869	55aa55c2	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/06/28 18:22	upstream	62fb9874f5da	9d2ab5df	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/06/15 02:44	upstream	009c9aa5be65	1ba81399	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/06/02 15:04	upstream	231bc5390667	0740de69	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/05/31 10:48	upstream	8124c8a6b353	325a8dab	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/04/30 07:43	upstream	d2b6f8a17919	77e2b668	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/04/20 19:20	upstream	7af08140979a	c0ced557	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2021/03/22 11:20	upstream	0d02ec6b3136	bea32f74	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/03/11 12:29	upstream	a74e6a014c9d	c2ca1f2a	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-root	2021/02/24 02:32	upstream	3b9cdafb5358	fcc6d71b	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/02/19 12:57	upstream	f40ddce88593	14052202	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-smack-root	2021/01/21 01:31	upstream	75439bc439e0	d4f4eca5	.config	log	report			info	INFO: task hung in blkdev_put
ci-upstream-kasan-gce-selinux-root	2020/11/20 05:59	upstream	131ad0b6f529	0767f13f	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/11/20 05:59	upstream	131ad0b6f529	0767f13f	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/11/20 05:58	upstream	131ad0b6f529	0767f13f	.config	log	report			info
ci-upstream-kasan-gce-root	2020/11/20 05:58	upstream	3494d58865ad	0767f13f	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/10 21:49	upstream	6f2f486d57c4	4a77ae0b	.config	log	report			info
ci-upstream-kasan-gce-root	2020/10/09 10:33	upstream	3d006ee42dde	92390980	.config	log	report			info
ci-upstream-kasan-gce-root	2020/07/19 03:32	upstream	6a70f89cc58f	9c812472	.config	log	report
ci-upstream-kasan-gce-root	2020/07/14 17:36	upstream	0dc589da873b	ce4c95b3	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2021/09/19 04:11	linux-next	9004fd387338	70b76c1d	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/09/02 12:37	linux-next	c1b13fe76e95	15cea0a3	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/09/01 00:05	linux-next	52c7b727581f	7eb7e152	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/08/14 21:15	linux-next	4b358aabb93a	2489ab88	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/07/23 13:50	linux-next	90d856e71443	bc5f1d88	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/06/06 14:07	linux-next	a1f92694393a	500c2339	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/04/01 03:40	linux-next	931294922e65	6a81331a	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/03/29 10:28	linux-next	931294922e65	a8529b82	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/03/27 10:33	linux-next	931294922e65	a8529b82	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/03/22 18:12	linux-next	e3128d2f068e	8092f30d	.config	log	report			info	INFO: task can't die in blkdev_put
ci-upstream-linux-next-kasan-gce-root	2021/03/17 02:10	linux-next	0f4b0bb396f6	fdb2bb2c	.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