syzbot


INFO: task hung in lo_release (2)

Status: upstream: reported C repro on 2020/03/19 00:28
Reported-by: syzbot+d6eecbbc7e8a6b686616@syzkaller.appspotmail.com
First crash: 832d, last: 6d00h
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in lo_release 1 1442d 1442d 12/22 fixed on 2019/01/15 20:25
android-49 INFO: task hung in lo_release 867 1077d 1172d 0/3 auto-closed as invalid on 2019/10/25 14:11
upstream INFO: task hung in lo_release (2) 38 219d 219d 0/22 closed as dup on 2021/11/23 00:29
android-49 INFO: task hung in lo_release (2) 3 955d 967d 0/3 auto-closed as invalid on 2020/03/16 04:39
android-414 INFO: task hung in lo_release syz 1670 949d 1174d 0/1 public: reported syz repro on 2019/04/12 00:01
android-44 INFO: task hung in lo_release syz 59 943d 1172d 0/2 public: reported syz repro on 2019/04/14 00:02
linux-4.14 INFO: task hung in lo_release syz done 128 1062d 1175d 1/1 fixed on 2019/12/17 00:29
upstream INFO: task can't die in blk_mq_freeze_queue_wait 221 218d 226d 22/22 fixed on 2022/03/08 16:11

Sample crash report:
INFO: task systemd-udevd:8108 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
systemd-udevd   D28496  8108   4630 0x00000104
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 lo_release+0x1b/0x190 drivers/block/loop.c:1677
 __blkdev_put+0x5aa/0x800 fs/block_dev.c:1803
 blkdev_close+0x86/0xb0 fs/block_dev.c:1875
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe4ffd58270
RSP: 002b:00007ffec6b20f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fe4ffd58270
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007fe500c12710 R08: 000056316334ad70 R09: 000056316334ab00
R10: 00007fe500c128c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000563163348d50 R14: 0000000000000003 R15: 000000000000000e
INFO: task syz-executor240:8354 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8354   7974 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
 loop_reread_partitions drivers/block/loop.c:624 [inline]
 loop_set_status+0xeeb/0x12b0 drivers/block/loop.c:1193
 loop_set_status64+0x92/0xe0 drivers/block/loop.c:1311
 lo_ioctl+0x587/0x1cd0 drivers/block/loop.c:1441
 __blkdev_driver_ioctl block/ioctl.c:297 [inline]
 blkdev_ioctl+0x540/0x1830 block/ioctl.c:594
 block_ioctl+0xd9/0x120 fs/block_dev.c:1893
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x43feb7
RSP: 002b:00007fff89b3e0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fff89b3e120 RCX: 000000000043feb7
RDX: 00007fff89b3e230 RSI: 0000000000004c04 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007fff89b3df90 R09: 00000000fbad8001
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000bb62c0 R14: 00007fff89b3e230 R15: 00007fff89b3e370
INFO: task syz-executor240:8358 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8358   7977 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x440009
RSP: 002b:00007fff89b3e358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440009
RDX: 0000000000000000 RSI: 0000000000004c82 RDI: 0000000000000003
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00000000000b9587
R13: 00007fff89b3e380 R14: 00007fff89b3e36c R15: 00007fff89b3e370
INFO: task syz-executor240:8360 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8360   7976 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x440009
RSP: 002b:00007fff89b3e358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440009
RDX: 0000000000000000 RSI: 0000000000004c82 RDI: 0000000000000003
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00000000000b955f
R13: 00007fff89b3e380 R14: 00007fff89b3e36c R15: 00007fff89b3e370
INFO: task syz-executor240:8364 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8364   7979 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 loop_control_ioctl+0x181/0x3f0 drivers/block/loop.c:2007
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x440009
RSP: 002b:00007fff89b3e358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440009
RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00000000000b960a
R13: 00007fff89b3e380 R14: 00007fff89b3e36c R15: 00007fff89b3e370
INFO: task syz-executor240:8365 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8365   7978 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x440009
RSP: 002b:00007fff89b3e358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440009
RDX: 0000000000000000 RSI: 0000000000004c82 RDI: 0000000000000003
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00000000000b9609
R13: 00007fff89b3e380 R14: 00007fff89b3e36c R15: 00007fff89b3e370
INFO: task syz-executor240:8366 blocked for more than 140 seconds.
      Not tainted 4.14.232-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor240 D28912  8366   7975 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x440009
RSP: 002b:00007fff89b3e358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440009
RDX: 0000000000000000 RSI: 0000000000004c82 RDI: 0000000000000003
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00000000000b960d
R13: 00007fff89b3e380 R14: 00007fff89b3e36c R15: 00007fff89b3e370

Showing all locks held in the system:
1 lock held by khungtaskd/1534:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff8700b7b7>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
2 locks held by systemd-udevd/8108:
 #0:  (&bdev->bd_mutex){+.+.}, at: [<ffffffff8193c108>] __blkdev_put+0xd8/0x800 fs/block_dev.c:1790
 #1:  (loop_index_mutex){+.+.}, at: [<ffffffff838d3f9b>] lo_release+0x1b/0x190 drivers/block/loop.c:1677
2 locks held by syz-executor240/8354:
 #0:  (&lo->lo_ctl_mutex/1){+.+.}, at: [<ffffffff838d57f7>] lo_ioctl+0x87/0x1cd0 drivers/block/loop.c:1414
 #1:  (&bdev->bd_mutex){+.+.}, at: [<ffffffff830b527b>] blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
1 lock held by syz-executor240/8358:
 #0:  (loop_index_mutex){+.+.}, at: [<ffffffff838d28a7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
1 lock held by syz-executor240/8360:
 #0:  (loop_index_mutex){+.+.}, at: [<ffffffff838d28a7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
2 locks held by syz-executor240/8364:
 #0:  (loop_index_mutex){+.+.}, at: [<ffffffff838d28a7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
 #1:  (&lo->lo_ctl_mutex){+.+.}, at: [<ffffffff838d29c1>] loop_control_ioctl+0x181/0x3f0 drivers/block/loop.c:2007
1 lock held by syz-executor240/8365:
 #0:  (loop_index_mutex){+.+.}, at: [<ffffffff838d28a7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
1 lock held by syz-executor240/8366:
 #0:  (loop_index_mutex){+.+.}, at: [<ffffffff838d28a7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993

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

NMI backtrace for cpu 1
CPU: 1 PID: 1534 Comm: khungtaskd Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
 watchdog+0x5b9/0xb40 kernel/hung_task.c:274
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4615 Comm: systemd-journal Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a1872600 task.stack: ffff8880a1878000
RIP: 0010:__mod_node_page_state+0x55/0xd0 mm/vmstat.c:274
RSP: 0018:ffff8880a187fcd8 EFLAGS: 00000097
RAX: 0000000000000000 RBX: 0000000000040200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8790a220 RDI: ffffffff87ccea40
RBP: 000000000002df0f R08: 0000000000001000 R09: ffffed10125a7800
R10: 0000000000000000 R11: ffff8880a1872600 R12: 0000000000000006
R13: 0000000000000002 R14: ffff88813fffb000 R15: 000000000002df08
FS:  00007f6894efe8c0(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68922eb000 CR3: 00000000a1f1d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __mod_lruvec_page_state include/linux/memcontrol.h:646 [inline]
 mod_lruvec_page_state include/linux/memcontrol.h:660 [inline]
 kmem_getpages mm/slab.c:1434 [inline]
 cache_grow_begin+0x65d/0x700 mm/slab.c:2676
 cache_alloc_refill+0x273/0x350 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x333/0x3c0 mm/slab.c:3550
 getname_flags+0xc8/0x550 fs/namei.c:138
 do_sys_open+0x1ce/0x410 fs/open.c:1075
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f689448d840
RSP: 002b:00007ffcf21e8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffcf21e8920 RCX: 00007f689448d840
RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 00005653db041890
RBP: 000000000000000d R08: 000000000000c0c1 R09: 00000000ffffffff
R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00005653db03d040 R14: 00007ffcf21e88e0 R15: 00005653db042c20
Code: ec 08 80 3c 02 00 0f 85 85 00 00 00 4d 8b be 00 4d 00 00 41 89 f4 48 c7 c7 20 a2 90 87 e8 04 39 a9 01 4b 8d 6c 27 01 65 8a 5d 00 <48> c7 c7 20 a2 90 87 48 0f be db e8 eb 38 a9 01 4c 01 eb 65 41 

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2022/06/23 18:07 linux-4.14.y 84bae26850e3 ed7d41c5 .config log report syz C
ci2-linux-4-14 2022/05/24 17:38 linux-4.14.y dffb5c6ff09c ed7d41c5 .config log report syz C
ci2-linux-4-14 2022/04/03 06:36 linux-4.14.y 74766a973637 ed7d41c5 .config log report syz C
ci2-linux-4-14 2022/02/07 10:52 linux-4.14.y b86ee2b7ae42 ed7d41c5 .config log report syz C
ci2-linux-4-14 2022/01/08 10:24 linux-4.14.y bfdef05c8da4 ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/12/09 09:53 linux-4.14.y c01d4d1b885d ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/11/09 09:27 linux-4.14.y 0447aa205abe ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/10/10 09:01 linux-4.14.y ed99bf0e81b5 ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/09/10 08:36 linux-4.14.y f96eb53cbd76 ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/08/11 08:10 linux-4.14.y 46914f96189b ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/07/12 07:40 linux-4.14.y 4e68c9b0763f ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/06/12 07:15 linux-4.14.y 3d3abdc8ebd3 ed7d41c5 .config log report syz C
ci2-linux-4-14 2021/05/07 00:20 linux-4.14.y 7d7d1c0ab3eb 6a81331a .config log report syz C
Crashes (16):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/05/13 06:50 linux-4.14.y 7d7d1c0ab3eb ed7d41c5 .config log report syz C INFO: task hung in lo_release
ci2-linux-4-14 2021/04/06 23:44 linux-4.14.y bd634aa64163 6a81331a .config log report syz C INFO: task hung in lo_release
ci2-linux-4-14 2022/04/24 17:08 linux-4.14.y 15a1c6b6f516 131df97d .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2022/03/04 05:12 linux-4.14.y e853993d29aa 45a13a73 .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2021/04/06 21:55 linux-4.14.y bd634aa64163 6a81331a .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2021/04/05 12:31 linux-4.14.y bd634aa64163 6a81331a .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2021/02/11 14:19 linux-4.14.y 2c8a3fceddf0 a52ee10a .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2021/01/22 06:44 linux-4.14.y 2762b48e9611 d4f4eca5 .config log report info INFO: task hung in lo_release
ci2-linux-4-14 2020/11/02 04:20 linux-4.14.y 2b7915014161 8bc4594f .config log report info
ci2-linux-4-14 2020/10/18 14:42 linux-4.14.y cbfa1702aaf6 fea47c01 .config log report info
ci2-linux-4-14 2020/09/22 00:59 linux-4.14.y cbfa1702aaf6 9e1fa68e .config log report info
ci2-linux-4-14 2020/07/05 12:10 linux-4.14.y b850307b279c 24d7f505 .config log report
ci2-linux-4-14 2020/06/13 19:25 linux-4.14.y b850307b279c dbce178a .config log report
ci2-linux-4-14 2020/06/06 09:08 linux-4.14.y c6db52a88798 c3e9afb3 .config log report
ci2-linux-4-14 2020/04/26 06:36 linux-4.14.y 050272a0423e b8bb8e5f .config log report
ci2-linux-4-14 2020/03/19 00:27 linux-4.14.y 12cd844a39ed 2c31c529 .config log report