syzbot

 sign-in | mailing list | source | docs
🐞 Open [960] ≡ Subsystems 🐞 Fixed [4566] 🐞 Invalid [10537] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

INFO: task hung in linkwatch_event (2)

Status: fixed on 2022/05/13 11:13
Labels: net (incorrect?)
Reported-by: syzbot+96ff6cfc4551fcc29342@syzkaller.appspotmail.com
Fix commit: 563fbefed46a cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
First crash: 1185d, last: 407d

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

Fix bisection: fixed by (bisect log) :
commit 563fbefed46ae4c1f70cffb8eb54c02df480b2c2
Author: Nguyen Dinh Phi <phind.uet@gmail.com>
Date: Wed Oct 27 17:37:22 2021 +0000

  cfg80211: call cfg80211_stop_ap when switch from P2P_GO type

▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
INFO: task hung in linkwatch_event (2) 2 (5) 2022/05/12 13:26
Re: INFO: task hung in linkwatch_event (2) 1 (1) 2020/05/06 11:22
Re: INFO: task hung in linkwatch_event (2) 1 (1) 2020/05/06 11:20
▶ ▼ Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: task hung in linkwatch_event C 7 1298d 1517d 0/1 public: reported C repro on 2019/04/10 16:14
linux-4.14 INFO: task hung in linkwatch_event (2) 1 319d 319d 0/1 auto-obsoleted due to no activity on 2022/11/19 11:58
android-44 INFO: task hung in linkwatch_event 6 1733d 1879d 0/2 auto-closed as invalid on 2019/03/05 13:11
upstream INFO: task hung in linkwatch_event C 82 1326d 1937d 0/24 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 1002d 1129d 0/1 auto-closed as invalid on 2021/01/05 01:42
linux-4.19 INFO: task hung in linkwatch_event (2) C error 217 93d 1181d 0/1 upstream: reported C repro on 2020/03/11 20:12
linux-4.19 INFO: task hung in linkwatch_event 3 1335d 1449d 0/1 auto-closed as invalid on 2020/02/07 01:11
upstream INFO: task hung in linkwatch_event (3) net 120 13h01m 195d 0/24 upstream: reported on 2022/11/22 17:04
linux-4.14 INFO: task hung in linkwatch_event (3) 2 153d 154d 0/1 upstream: reported on 2023/01/03 10:49
android-49 INFO: task hung in linkwatch_event 13 1497d 1514d 0/3 auto-closed as invalid on 2019/10/25 08:50
linux-6.1 INFO: task hung in linkwatch_event 1 55d 55d 0/3 upstream: reported on 2023/04/12 08:24

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 (1033):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2021/02/05 22:54 upstream dd86e7fa07a3 23a562df .config console log report syz C ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2021/02/03 16:51 upstream 3aaf0a27ffc2 624dad51 .config console log report syz C ci-upstream-kasan-gce-smack-root INFO: task hung in linkwatch_event
2021/01/26 07:48 upstream f8ad8187c3b5 52e37319 .config console log report syz C ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2021/01/25 07:52 upstream e68061375f79 52e37319 .config console log report syz C ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2021/03/31 11:53 linux-next 931294922e65 6a81331a .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/03/25 10:28 linux-next 20f1b5f9c07c 607e3baf .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2020/12/11 02:25 net-next-old a7105e3472bf f900b48c .config console log report syz C ci-upstream-net-kasan-gce
2021/06/18 11:34 upstream fd0aa1a4567d aba2b2fb .config console log report syz ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2021/09/08 09:21 linux-next b2bb710d34d5 064c9eb7 .config console log report syz ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2020/08/23 11:41 upstream c3d8f220d012 1da71ab0 .config console log report syz ci-upstream-kasan-gce-root
2020/08/23 11:35 upstream c3d8f220d012 1da71ab0 .config console log report syz ci-upstream-kasan-gce-selinux-root
2020/04/25 09:49 upstream b4f633221f0a 03d97a1b .config console log report syz ci-upstream-kasan-gce-selinux-root
2022/01/18 01:46 upstream 0c947b893d69 731a2d23 .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in linkwatch_event
2022/01/12 19:01 upstream daadb3bd0e8d 44d1319a .config console log report info ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2021/12/15 04:16 upstream 5472f14a3742 f752fb53 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2021/11/30 15:52 upstream d58071a8a76d 80270552 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2021/11/26 19:32 upstream a4849f6000e2 63eeac02 .config console log report info ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2021/11/14 07:50 upstream ccfff0a2bd2a 83f5c9b5 .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in linkwatch_event
2021/11/12 19:11 upstream 5833291ab6de 83f5c9b5 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2021/11/09 10:50 upstream e851dfae4371 8ab17e57 .config console log report info ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2021/11/08 17:11 upstream 6b75d88fa81b d29682f1 .config console log report info ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2021/11/07 04:45 upstream 512b7931ad05 4c1be0be .config console log report info ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2021/11/05 12:13 upstream d4439a1189f9 4c1be0be .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in linkwatch_event
2021/11/02 22:46 upstream cc0356d6a02e 17f3edd2 .config console log report info ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2021/12/04 19:18 upstream bbef3c7a63d2 a617004c .config console log report info ci-upstream-kasan-gce-386 INFO: task hung in linkwatch_event
2021/10/30 21:22 upstream 119c85055d86 098b5d53 .config console log report info ci-upstream-kasan-gce-386 INFO: task hung in linkwatch_event
2022/04/19 11:12 net-old 4cf35a2b627a c334415e .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2022/04/18 03:46 net-old 49aefd131739 8bcc32a6 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2022/02/15 19:17 net-old 032062f363b4 8b9ca619 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2022/01/08 11:20 net-old 6dc9a23e2906 2ca0d385 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2022/01/03 06:32 net-old 29262e1f773b e1768e9c .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/12/30 13:14 net-old f7397cd24c59 2e49f10d .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/12/21 23:26 net-old ac8c58f5b535 a938f0b8 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/12/04 04:41 net-old badd7857f5c9 a617004c .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/12/03 03:54 net-old a51e3ac43ddb 61f86278 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/11/24 12:02 net-old 619ca0d0108a 545ab074 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/11/24 08:01 net-old 619ca0d0108a 545ab074 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/11/01 17:53 net-old 6b278c0cb378 098b5d53 .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/10/23 19:18 net-old 1f83b835a3ea 282f03fb .config console log report info ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2021/09/28 22:50 bpf 79e2c3066675 d82cb927 .config console log report info ci-upstream-bpf-kasan-gce INFO: task hung in linkwatch_event
2022/01/27 23:48 net-next-old fbb8295248e1 64a8e201 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2022/01/26 08:41 net-next-old 6b0671a23dd6 2cbffd88 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/12/04 20:29 net-next-old ce83278f313c a617004c .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/12/01 09:18 net-next-old 23ea630f86c7 5fa3eacc .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/12/01 07:15 net-next-old 196073f9c44b 80270552 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/11/29 14:23 net-next-old 2f7ed29f2c54 63eeac02 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/11/29 03:28 net-next-old d40ce48cb3a6 63eeac02 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/11/28 11:55 net-next-old d40ce48cb3a6 63eeac02 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/11/24 00:29 net-next-old 2106efda785b 545ab074 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/11/17 01:21 net-next-old 62803fec52f8 cafff8b6 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/10/28 06:44 net-next-old 911e3a46fb38 be531bb4 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2021/10/03 22:53 bpf-next d636c8da2d60 db0f5787 .config console log report info ci-upstream-bpf-next-kasan-gce INFO: task hung in linkwatch_event
2022/04/25 01:40 linux-next f1244c81da13 131df97d .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2022/03/06 03:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 98d107b84614 7bdd8b2c .config console log report info ci2-upstream-usb INFO: task hung in linkwatch_event
2022/01/15 02:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 455e73a07f6e 53e00b45 .config console log report info ci2-upstream-usb INFO: task hung in linkwatch_event
2021/12/07 12:17 linux-next 04fe99a8d936 0230ba3e .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/11/06 17:10 linux-next 6a37ebbe07bf 4c1be0be .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/11/06 05:48 linux-next 6a37ebbe07bf 4c1be0be .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/11/05 16:37 linux-next b477ae38e815 4c1be0be .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/21 07:45 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/21 02:25 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/21 00:58 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/21 00:10 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/20 22:57 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/20 22:13 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/10/20 14:02 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2021/01/17 04:18 upstream 0da0a8a0a0e1 65a7a854 .config console log report info ci-upstream-kasan-gce-root
2020/03/08 04:06 net-next-old 425c075dcbb2 2e9971bb .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.