INFO: task hung in linkwatch

INFO: task hung in linkwatch_event (2)
Status: upstream: reported C repro on 2020/04/29 09:59
Reported-by: syzbot+96ff6cfc4551fcc29342@syzkaller.appspotmail.com
First crash: 503d, last: 5h26m

Cause bisection: introduced by (bisect log) :
commit 386d4716fd91869e07c731657f2cde5a33086516
Author: Luo bin <luobin9@huawei.com>
Date: Thu Feb 27 06:34:44 2020 +0000

hinic: fix a bug of rss configuration

Crash: INFO: task hung in io_finish_async (log)
Repro: syz .config

similar bugs (7):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
android-414	INFO: task hung in linkwatch_event	C	7	615d	835d	0/1	public: reported C repro on 2019/04/10 16:14
android-44	INFO: task hung in linkwatch_event		6	1051d	1197d	0/2	auto-closed as invalid on 2019/03/05 13:11
upstream	INFO: task hung in linkwatch_event	C	82	644d	1255d	0/22	closed as dup on 2018/02/14 15:33
linux-4.14	INFO: task hung in linkwatch_event		5	320d	447d	0/1	auto-closed as invalid on 2021/01/05 01:42
linux-4.19	INFO: task hung in linkwatch_event (2)	C	51	12d	499d	0/1	upstream: reported C repro on 2020/03/11 20:12
linux-4.19	INFO: task hung in linkwatch_event		3	653d	767d	0/1	auto-closed as invalid on 2020/02/07 01:11
android-49	INFO: task hung in linkwatch_event		13	815d	832d	0/3	auto-closed as invalid on 2019/10/25 08:50

Sample crash report:

INFO: task kworker/0:3:3919 blocked for more than 143 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:29696 pid: 3919 ppid:     2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 linkwatch_event+0xb/0x60 net/core/link_watch.c:250
 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task syz-executor909:8441 blocked for more than 143 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:26320 pid: 8441 ppid:  8435 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 __sys_sendto+0x21c/0x320 net/socket.c:1975
 __do_sys_sendto net/socket.c:1987 [inline]
 __se_sys_sendto net/socket.c:1983 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1983
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x40770c
RSP: 002b:00007f38d9274190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f38d9274270 RCX: 000000000040770c
RDX: 0000000000000024 RSI: 00007f38d92742c0 RDI: 0000000000000009
RBP: 0000000000000000 R08: 00007f38d92741d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000009 R14: 0000000000000000 R15: 00007f38d92742c0
INFO: task syz-executor909:8446 blocked for more than 143 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:26296 pid: 8446 ppid:  8437 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446e69
RSP: 002b:00007f38d92752f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004cb460 RCX: 0000000000446e69
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007
RBP: 00000000004cb46c R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c
R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb468
INFO: task syz-executor909:8471 blocked for more than 144 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:28168 pid: 8471 ppid:  8437 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446e69
RSP: 002b:00007f38d92542f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004cb470 RCX: 0000000000446e69
RDX: 0000000000044000 RSI: 0000000020000340 RDI: 0000000000000006
RBP: 00000000004cb47c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c
R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb478
INFO: task syz-executor909:8477 blocked for more than 144 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:28464 pid: 8477 ppid:  8437 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 __sys_sendto+0x21c/0x320 net/socket.c:1975
 __do_sys_sendto net/socket.c:1987 [inline]
 __se_sys_sendto net/socket.c:1983 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1983
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x40770c
RSP: 002b:00007f38d9232190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f38d9232270 RCX: 000000000040770c
RDX: 0000000000000024 RSI: 00007f38d92322c0 RDI: 0000000000000008
RBP: 0000000000000000 R08: 00007f38d92321d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: 00007f38d92322c0
INFO: task syz-executor909:8478 blocked for more than 145 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:28168 pid: 8478 ppid:  8437 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446e69
RSP: 002b:00007f38d92122f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004cb490 RCX: 0000000000446e69
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000009
RBP: 00000000004cb49c R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 000000000049b07c
R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb498
INFO: task syz-executor909:8447 blocked for more than 145 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:26400 pid: 8447 ppid:  8436 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 devinet_ioctl+0x1b3/0x1c90 net/ipv4/devinet.c:1066
 inet_ioctl+0x1ea/0x330 net/ipv4/af_inet.c:967
 sock_do_ioctl+0xcb/0x2d0 net/socket.c:1037
 sock_ioctl+0x477/0x6a0 net/socket.c:1177
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446d47
RSP: 002b:00007f38d9274218 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f38d9274240 RCX: 0000000000446d47
RDX: 00007f38d9274240 RSI: 0000000000008914 RDI: 000000000000000a
RBP: 00007f38d9274270 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000009
R13: 0000000000000008 R14: 0000000000000021 R15: 000000000000000a
INFO: task syz-executor909:8448 blocked for more than 146 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:26440 pid: 8448 ppid:  8433 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 __sys_sendto+0x21c/0x320 net/socket.c:1975
 __do_sys_sendto net/socket.c:1987 [inline]
 __se_sys_sendto net/socket.c:1983 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1983
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x40770c
RSP: 002b:00007f38d9274190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f38d9274270 RCX: 000000000040770c
RDX: 0000000000000024 RSI: 00007f38d92742c0 RDI: 0000000000000009
RBP: 0000000000000000 R08: 00007f38d92741d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000009 R14: 0000000000000000 R15: 00007f38d92742c0
INFO: task syz-executor909:8464 blocked for more than 146 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:28168 pid: 8464 ppid:  8433 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446e69
RSP: 002b:00007f38d92332f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004cb480 RCX: 0000000000446e69
RDX: 0000000000044000 RSI: 0000000020000340 RDI: 0000000000000006
RBP: 00000000004cb48c R08: 00007f38d9233700 R09: 0000000000000000
R10: 00007f38d9233700 R11: 0000000000000246 R12: 000000000049b07c
R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb488
INFO: task syz-executor909:8449 blocked for more than 147 seconds.
      Not tainted 5.11.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor909 state:D stack:26912 pid: 8449 ppid:  8434 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103
 nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
 genl_family_rcv_msg_doit+0x1ee/0x320 net/netlink/genetlink.c:734
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446e69
RSP: 002b:00007f38d92752f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004cb460 RCX: 0000000000446e69
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007
RBP: 00000000004cb46c R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c
R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb468

Showing all locks held in the system:
1 lock held by khungtaskd/1646:
 #0: ffffffff8bd73da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6259
3 locks held by kworker/0:3/3919:
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90002b57da8 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:250
1 lock held by in:imklog/8358:
 #0: ffff88801482cbb0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:947
2 locks held by syz-executor909/8441:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8446:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8471:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8477:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8478:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
1 lock held by syz-executor909/8447:
 #0: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1b3/0x1c90 net/ipv4/devinet.c:1066
2 locks held by syz-executor909/8448:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
3 locks held by syz-executor909/8463:
2 locks held by syz-executor909/8464:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8449:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8466:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8469:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8474:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
1 lock held by systemd-udevd/8457:
 #0: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x41c/0xc40 net/core/dev_ioctl.c:445
3 locks held by kworker/1:1/8459:
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90001a37da8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4570
3 locks held by kworker/0:0/8461:
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90001a57da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1280 net/ipv6/addrconf.c:4029
2 locks held by syz-executor909/8468:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8473:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8479:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8481:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8483:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8484:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8485:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659
2 locks held by syz-executor909/8486:
 #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:810
 #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 net/wireless/nl80211.c:14659

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

NMI backtrace for cpu 0
CPU: 0 PID: 1646 Comm: khungtaskd Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd43/0xfa0 kernel/hung_task.c:294
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4882 Comm: systemd-journal Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lock_is_held_type+0xf3/0x120 kernel/locking/lockdep.c:5486
Code: a0 aa 4b 89 e8 0e 0d 00 00 b8 ff ff ff ff 65 0f c1 05 91 8f 06 77 83 f8 01 75 1b ff 34 24 9d 48 83 c4 08 44 89 e8 5b 5d 41 5c <41> 5d 41 5e 41 5f c3 45 31 ed eb c7 0f 0b 48 c7 c7 e0 aa 4b 89 e8
RSP: 0018:ffffc90001127c88 EFLAGS: 00000292
RAX: 0000000000000000 RBX: 1ffff92000224f99 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8da3b38f
R10: fffffbfff1b47671 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000
FS:  00007f025d2d38c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f025a6ed010 CR3: 00000000157b9000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_is_held include/linux/lockdep.h:271 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:123
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x5d2/0x720 kernel/locking/lockdep.c:5413
 __fs_reclaim_acquire mm/page_alloc.c:4326 [inline]
 fs_reclaim_acquire+0x117/0x150 mm/page_alloc.c:4340
 might_alloc include/linux/sched/mm.h:193 [inline]
 slab_pre_alloc_hook mm/slab.h:493 [inline]
 slab_alloc mm/slab.c:3301 [inline]
 kmem_cache_alloc+0x36/0x4c0 mm/slab.c:3486
 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
 getname_flags+0x9a/0xe0 include/linux/audit.h:319
 getname fs/namei.c:209 [inline]
 user_path_create fs/namei.c:3527 [inline]
 do_mkdirat+0x8d/0x2d0 fs/namei.c:3667
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f025c58e687
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:00007fff4c70c6f8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fff4c70f610 RCX: 00007f025c58e687
RDX: 00007f025cfffa00 RSI: 00000000000001ed RDI: 000055fb468008c0
RBP: 00007fff4c70c730 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fff4c70f610 R15: 00007fff4c70cc20

Crashes (465):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/02/05 22:54	upstream	dd86e7fa07a3	23a562df	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root	2021/02/03 16:51	upstream	3aaf0a27ffc2	624dad51	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/01/26 07:48	upstream	f8ad8187c3b5	52e37319	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/01/25 07:52	upstream	e68061375f79	52e37319	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/03/31 11:53	linux-next	931294922e65	6a81331a	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/03/25 10:28	linux-next	20f1b5f9c07c	607e3baf	.config	log	report	syz	C		INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2020/12/11 02:25	net-next	a7105e3472bf	f900b48c	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2021/06/18 11:34	upstream	fd0aa1a4567d	aba2b2fb	.config	log	report	syz			INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2020/08/23 11:41	upstream	c3d8f220d012	1da71ab0	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/08/23 11:35	upstream	c3d8f220d012	1da71ab0	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/04/25 09:49	upstream	b4f633221f0a	03d97a1b	.config	log	report	syz
ci-upstream-kasan-gce-root	2021/07/22 08:33	upstream	7b6ae471e541	29c3f20f	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/07/19 09:05	upstream	2734d6c1b1a0	f115ae98	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce	2021/07/15 18:28	upstream	8096acd7442e	b9a2f64e	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce	2021/07/10 12:28	upstream	3dbdb38e2869	8f5a7b8c	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root	2021/07/05 21:33	upstream	3dbdb38e2869	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/07/02 10:05	upstream	e058a84bfddc	658ebc66	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root	2021/06/27 07:35	upstream	625acffd7ae2	9d2ab5df	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root	2021/06/24 02:34	upstream	7266f2030eb0	fe4ab389	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/06/23 04:05	upstream	0c18f29aae7c	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root	2021/06/22 05:58	upstream	13311e74253f	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce	2021/06/03 00:18	upstream	231bc5390667	0740de69	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386	2021/06/07 05:07	upstream	decad3e1d1ed	500c2339	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/21 22:41	net	161dcc024288	29c3f20f	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/20 02:25	net	6f20c8adb181	bc48c9ab	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/17 10:39	net	5b69874f74cc	f115ae98	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/12 20:44	net	d2eecc596bdf	f415556d	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/10 22:21	net	849fd444dd73	8f5a7b8c	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/03 22:54	net	dbe69e433722	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/03 16:49	net	dbe69e433722	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/03 12:01	net	dbe69e433722	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/07/03 01:29	net	dbe69e433722	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/30 11:32	net	a118ff661889	84fd4c77	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/25 17:13	net	be7f62eebaff	ae6bf8dd	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/16 03:35	net	a4f0377db125	990d3cbe	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/08 15:48	net	aaab3076d7c7	b718257f	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/06 00:47	net	3822d0670c9d	500c2339	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/05 09:32	net	3822d0670c9d	500c2339	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/04 03:22	net	261ba78cc364	0740de69	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce	2021/06/03 08:01	net	ab00f3e051e8	0740de69	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/19 11:14	net-next	0d6835ffe50c	e6a17580	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/16 19:50	net-next	87117baf4f92	f115ae98	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/16 15:54	net-next	87117baf4f92	f115ae98	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/10 14:14	net-next	5e437416ff66	8f5a7b8c	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/09 07:54	net-next	5e437416ff66	1b20171a	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/08 10:25	net-next	5e437416ff66	95793bce	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/07/07 17:42	net-next	5e437416ff66	4846d5c1	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce	2021/07/04 19:13	bpf-next	dbe69e433722	55aa55c2	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce	2021/06/30 08:47	bpf-next	84fe73996c2e	84fd4c77	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/28 17:06	net-next	ff8744b5eb11	9d2ab5df	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/27 12:28	net-next	ff8744b5eb11	9d2ab5df	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/26 15:47	net-next	ff8744b5eb11	9d2ab5df	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/18 23:35	net-next	8fe088bd4fd1	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/18 04:20	net-next	01f1b6ed2b84	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/16 08:26	net-next	925a56b2c085	990d3cbe	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce	2021/06/15 01:59	bpf-next	ca16b429f39b	1ba81399	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/11 02:00	net-next	0699073951e3	1ba81399	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/08 17:50	net-next	dc8cf7550a70	b718257f	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce	2021/06/07 16:55	net-next	1a42624aecba	e59537be	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/07/24 05:02	linux-next	90d856e71443	bc5f1d88	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/07/13 08:57	linux-next	db503865b9ba	f415556d	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/07/11 21:37	linux-next	92510a7fd93c	8f5a7b8c	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/06/30 18:17	linux-next	a1f92694393a	84fd4c77	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/06/22 23:34	linux-next	a1f92694393a	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root	2021/06/18 22:17	linux-next	a1f92694393a	aba2b2fb	.config	log	report			info	INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root	2021/01/17 04:18	upstream	0da0a8a0a0e1	65a7a854	.config	log	report			info
ci-upstream-bpf-kasan-gce	2020/04/25 14:12	bpf	e1cebd841b0a	b8bb8e5f	.config	log	report
ci-upstream-net-kasan-gce	2020/03/08 04:06	net-next	425c075dcbb2	2e9971bb	.config	log	report