INFO: task hung in lock

INFO: task hung in lock_mount
Status: upstream: reported C repro on 2018/04/30 17:46
Reported-by: syzbot+221d75710bde87fa0e97@syzkaller.appspotmail.com
First crash: 1048d, last: 9m

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)

duplicates (1):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
INFO: task can't die in lock_mount				71	28m	72d	0/21	closed as dup on 2021/01/18 10:01

similar bugs (8):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
android-49	INFO: task hung in lock_mount	C	103	573d	690d	0/3	public: reported C repro on 2019/04/11 08:44
linux-4.19	INFO: task hung in lock_mount		5	417d	547d	0/1	auto-closed as invalid on 2020/05/09 01:51
linux-4.19	INFO: task hung in lock_mount (2)		2	254d	260d	0/1	auto-closed as invalid on 2020/10/18 21:28
android-44	INFO: task hung in lock_mount	C	4	970d	689d	0/2	public: reported C repro on 2019/04/13 00:00
linux-4.19	INFO: task hung in lock_mount (3)		1	20d	20d	0/1	upstream: reported on 2021/02/09 16:09
linux-4.14	INFO: task hung in lock_mount		2	448d	449d	0/1	auto-closed as invalid on 2020/04/07 06:26
upstream	INFO: task can't die in lock_mount		71	28m	72d	0/21	closed as dup on 2021/01/18 10:01
upstream	INFO: task can't die in iget5_locked		7	5d14h	29d	0/21	upstream: reported on 2021/01/31 09:39

Sample crash report:

INFO: task syz-executor694:4903 blocked for more than 120 seconds.
      Not tainted 4.17.0-rc6+ #63
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor694 D24936  4903   4506 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2859 [inline]
 __schedule+0x801/0x1e30 kernel/sched/core.c:3501
 schedule+0xef/0x430 kernel/sched/core.c:3545
 __rwsem_down_write_failed_common+0x919/0x15d0 kernel/locking/rwsem-xadd.c:565
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:594
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa2/0x120 kernel/locking/rwsem.c:72
 namespace_lock fs/namespace.c:1431 [inline]
 lock_mount+0xdc/0x2e0 fs/namespace.c:2093
 do_loopback fs/namespace.c:2221 [inline]
 do_mount+0xebc/0x3070 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x447099
RSP: 002b:00007f0d700b4da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000006ddcb4 RCX: 0000000000447099
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000020000000
RBP: 00000000006ddcb0 R08: 0000000020000200 R09: 0000000000000000
R10: 0000000000003080 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 6f7365725f736e64 R14: 70756f7267632f2e R15: 0000000000000007

Showing all locks held in the system:
2 locks held by khungtaskd/892:
 #0:         (ptrval) (rcu_read_lock){....}, at: check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline]
 #0:         (ptrval) (rcu_read_lock){....}, at: watchdog+0x1ff/0xf60 kernel/hung_task.c:249
 #1:         (ptrval) (tasklist_lock){.+.+}, at: debug_show_all_locks+0xde/0x34a kernel/locking/lockdep.c:4470
1 lock held by rsyslogd/4380:
 #0:         (ptrval) (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1a9/0x1e0 fs/file.c:766
2 locks held by getty/4470:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4471:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4472:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4473:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4474:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4475:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4476:
 #0:         (ptrval) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
 #1:         (ptrval) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by syz-executor694/4903:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4901:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4905:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4911:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4913:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4919:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4921:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4928:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4935:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4937:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4939:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
2 locks held by syz-executor694/4941:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
 #1:         (ptrval) (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1431 [inline]
 #1:         (ptrval) (namespace_sem){++++}, at: lock_mount+0xdc/0x2e0 fs/namespace.c:2093
1 lock held by syz-executor694/4943:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock_shared include/linux/fs.h:723 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lookup_slow+0x49/0x80 fs/namei.c:1646
2 locks held by syz-executor694/4944:
 #0:         (ptrval) (sb_writers#12){.+.+}, at: sb_start_write include/linux/fs.h:1550 [inline]
 #0:         (ptrval) (sb_writers#12){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:386
 #1:         (ptrval) (&sb->s_type->i_mutex_key#15/1){+.+.}, at: inode_lock_nested include/linux/fs.h:748 [inline]
 #1:         (ptrval) (&sb->s_type->i_mutex_key#15/1){+.+.}, at: filename_create+0x1aa/0x5a0 fs/namei.c:3606
1 lock held by syz-executor694/4945:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088
1 lock held by syz-executor694/4947:
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: inode_lock include/linux/fs.h:713 [inline]
 #0:         (ptrval) (&sb->s_type->i_mutex_key#15){++++}, at: lock_mount+0x8c/0x2e0 fs/namespace.c:2088

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

NMI backtrace for cpu 0
CPU: 0 PID: 892 Comm: khungtaskd Not tainted 4.17.0-rc6+ #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1b9/0x294 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103
 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline]
 check_hung_task kernel/hung_task.c:132 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:190 [inline]
 watchdog+0xc10/0xf60 kernel/hung_task.c:249
 kthread+0x345/0x410 kernel/kthread.c:240
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4901 Comm: syz-executor694 Not tainted 4.17.0-rc6+ #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_release kernel/locking/lockdep.c:3674 [inline]
RIP: 0010:lock_release+0x1f5/0xa10 kernel/locking/lockdep.c:3939
RSP: 0018:ffff8801afca7708 EFLAGS: 00000097
RAX: 0000000000000003 RBX: 1ffff10035f94ee6 RCX: ffffffff815e1551
RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8801afca7838 R08: 0000000000000000 R09: ffffed00351966c8
R10: ffffed00351966c8 R11: ffff8801a8cb3643 R12: ffff8801afca7810
R13: ffff8801a8cb3658 R14: ffff8801a9a003c0 R15: ffff8801afca7750
FS:  00007f0d700f7700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001d05cc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock+0x1a/0x30 kernel/locking/spinlock.c:176
 spin_unlock include/linux/spinlock.h:350 [inline]
 lockref_get+0x42/0x50 lib/lockref.c:51
 dget include/linux/dcache.h:326 [inline]
 mnt_set_mountpoint+0xe7/0x360 fs/namespace.c:914
 propagate_one+0x5a7/0x910 fs/pnode.c:269
 propagate_mnt+0x18a/0x3e0 fs/pnode.c:315
 attach_recursive_mnt+0x5f8/0xb50 fs/namespace.c:2033
 graft_tree+0x1aa/0x240 fs/namespace.c:2133
 do_add_mount+0x1fe/0x370 fs/namespace.c:2491
 do_new_mount fs/namespace.c:2532 [inline]
 do_mount+0x18e6/0x3070 fs/namespace.c:2848
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x447099
RSP: 002b:00007f0d700f6da8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000006ddc84 RCX: 0000000000447099
RDX: 00000000200001c0 RSI: 0000000020026ff8 RDI: 000000002000a000
RBP: 00000000006ddc80 R08: 00000000200007c0 R09: 0000000000000000
R10: 0000000000000080 R11: 0000000000000293 R12: 0030656c69662f2e
R13: 6f7365725f736e64 R14: 70756f7267632f2e R15: 0000000000000007
Code: c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 65 4c 8b 34 25 40 ee 01 00 38 d0 7c 08 84 d2 0f 85 67 06 00 00 8b 3d fb bd ac 07 <85> ff 0f 84 41 02 00 00 49 8d 86 30 08 00 00 48 89 c2 48 89 85

Crashes (1156):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-root	2018/05/23 19:12	upstream	a048a07d	f48c20b8	.config	log	report	syz	C
ci-upstream-kasan-gce-386	2018/06/18 05:27	upstream	ce397d21	27c5f59f	.config	log	report	syz	C
ci-upstream-kmsan-gce	2018/08/19 06:02	https://github.com/google/kmsan.git master	0cc51dc9	de20bcbb	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2021/02/08 11:11	upstream	b75dba7f	2ce644fc	.config	log	report	syz			INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/03/02 05:46	upstream	fe07bfda	183afb6c	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/28 00:17	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/25 04:01	upstream	719bbd4a	fcc6d71b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/25 01:02	upstream	719bbd4a	fcc6d71b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/24 23:18	upstream	c03c21ba	fcc6d71b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/24 15:04	upstream	c03c21ba	fcc6d71b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/23 06:38	upstream	a99163e9	c26fb06b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/22 13:37	upstream	31caf8b2	a659b3f1	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/22 13:25	upstream	31caf8b2	a659b3f1	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/22 07:59	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/21 22:24	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/21 11:16	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/21 10:10	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/21 08:21	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/21 06:55	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/21 02:13	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/20 23:30	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/20 22:06	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/20 20:54	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/20 18:03	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/20 15:15	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/20 03:16	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/19 23:23	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/19 23:17	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/17 23:33	upstream	f40ddce8	14052202	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/17 10:54	upstream	f40ddce8	052f8d9f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/14 06:37	upstream	ac30d8ce	98682e5e	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/12 14:02	upstream	dcc0b490	a5f86b15	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/11 22:34	upstream	291009f6	a5f86b15	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/11 22:18	upstream	291009f6	a5f86b15	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/11 21:17	upstream	291009f6	a5f86b15	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/11 13:09	upstream	291009f6	a52ee10a	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/10 18:07	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/10 17:05	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/10 13:52	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/10 13:48	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/02/10 11:56	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/10 05:47	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root	2021/02/09 20:38	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce	2021/02/09 14:54	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-root	2021/02/09 08:24	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/25 02:52	upstream	719bbd4a	fcc6d71b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/23 07:49	upstream	a99163e9	c26fb06b	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/20 17:59	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/20 05:18	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/14 06:39	upstream	ac30d8ce	98682e5e	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-386	2021/02/12 15:05	upstream	dcc0b490	a5f86b15	.config	log	report			info	INFO: task hung in lock_mount
ci-qemu2-arm64-compat	2021/02/07 06:25	upstream	825b5991	0655e081	.config	log	report			info	INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root	2021/01/16 15:04	upstream	1d94330a	65a7a854	.config	log	report			info
ci-upstream-kasan-gce-root	2018/04/18 16:23	upstream	a27fc142	52643b44	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2019/10/19 17:12	linux-next	c4b9850b	8c88c9c1	.config	log	report