syzbot


INFO: task hung in linkwatch_event (3)

Status: upstream: reported on 2022/11/22 17:04
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+d4b2f8282f84f54e87a1@syzkaller.appspotmail.com
First crash: 675d, last: 6d17h
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly net report (Feb 2024) 0 (1) 2024/02/27 09:32
[syzbot] Monthly net report (Nov 2023) 5 (6) 2023/11/28 15:05
[syzbot] INFO: task hung in linkwatch_event (3) 0 (1) 2022/11/22 17:04
Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: task hung in linkwatch_event C 7 1584d 1804d 0/1 public: reported C repro on 2019/04/10 16:14
linux-4.14 INFO: task hung in linkwatch_event (2) 1 605d 605d 0/1 auto-obsoleted due to no activity on 2022/11/19 11:58
android-44 INFO: task hung in linkwatch_event 6 2020d 2166d 0/2 auto-closed as invalid on 2019/03/05 13:11
linux-5.15 INFO: task hung in linkwatch_event 26 16h48m 67d 0/3 upstream: reported on 2024/01/11 11:32
upstream INFO: task hung in linkwatch_event net C 82 1612d 2224d 0/26 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 1289d 1415d 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 380d 1468d 0/1 upstream: reported C repro on 2020/03/11 20:12
upstream INFO: task hung in linkwatch_event (2) net C done done 1033 694d 1419d 20/26 fixed on 2022/05/13 11:13
linux-4.19 INFO: task hung in linkwatch_event 3 1622d 1735d 0/1 auto-closed as invalid on 2020/02/07 01:11
linux-4.14 INFO: task hung in linkwatch_event (3) 2 439d 440d 0/1 upstream: reported on 2023/01/03 10:49
android-49 INFO: task hung in linkwatch_event 13 1784d 1800d 0/3 auto-closed as invalid on 2019/10/25 08:50
linux-6.1 INFO: task hung in linkwatch_event 2 226d 341d 0/3 auto-obsoleted due to no activity on 2023/11/14 00:59

Sample crash report:
INFO: task kworker/1:1:40 blocked for more than 143 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:21424 pid:40    tgid:40    ppid:2      flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 linkwatch_event+0xe/0x60 net/core/link_watch.c:281
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task dhcpcd:4733 blocked for more than 143 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:20504 pid:4733  tgid:4733  ppid:4732   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 __netlink_dump_start+0x13e/0x790 net/netlink/af_netlink.c:2333
 netlink_dump_start include/linux/netlink.h:338 [inline]
 rtnetlink_rcv_msg+0xc96/0x1040 net/core/rtnetlink.c:6573
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0xa3c/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2199
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fd8f369aad7
RSP: 002b:00007ffc7839f4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffc783a05d0 RCX: 00007fd8f369aad7
RDX: 0000000000000014 RSI: 00007ffc783a04f0 RDI: 0000000000000019
RBP: 00007ffc783a0560 R08: 00007ffc783a04d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffc783a04d4 R14: 00007ffc783a04f0 R15: 0000000000000105
 </TASK>
INFO: task kworker/0:9:23804 blocked for more than 143 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:20368 pid:23804 tgid:23804 ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4144
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:14:23813 blocked for more than 144 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:14    state:D stack:22200 pid:23813 tgid:23813 ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4144
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task syz-executor.0:13423 blocked for more than 144 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:20408 pid:13423 tgid:13423 ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6614
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0xa3c/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2199
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f5e6dc7fa9c
RSP: 002b:00007f5e6decf650 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f5e6e8d4620 RCX: 00007f5e6dc7fa9c
RDX: 0000000000000040 RSI: 00007f5e6e8d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f5e6decf6a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f5e6e8d4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.4:14409 blocked for more than 144 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:20984 pid:14409 tgid:14409 ppid:1      flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166
 kernfs_fop_write_iter+0x3a4/0x500 fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa84/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f08e607caef
RSP: 002b:00007f08e62cf200 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f08e607caef
RDX: 0000000000000003 RSI: 00007f08e62cf250 RDI: 0000000000000005
RBP: 00007f08e60ca045 R08: 0000000000000000 R09: 00007f08e62cf057
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f08e62cf250 R14: 00007f08e6cd4620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor.2:14422 blocked for more than 145 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:20984 pid:14422 tgid:14422 ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 unregister_nexthop_notifier+0x7c/0x220 net/ipv4/nexthop.c:3638
 nsim_fib_destroy+0x89/0x180 drivers/net/netdevsim/fib.c:1656
 nsim_dev_reload_destroy+0x2e3/0x490 drivers/net/netdevsim/dev.c:1662
 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1673
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x581/0xa30 drivers/base/core.c:3828
 device_unregister+0x20/0xc0 drivers/base/core.c:3869
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:317 [inline]
 del_device_store+0x363/0x480 drivers/net/netdevsim/bus.c:226
 kernfs_fop_write_iter+0x3a4/0x500 fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa84/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f2b3a47caef
RSP: 002b:00007f2b3a6cf200 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2b3a47caef
RDX: 0000000000000001 RSI: 00007f2b3a6cf250 RDI: 0000000000000005
RBP: 00007f2b3a4ca021 R08: 0000000000000000 R09: 00007f2b3a6cf057
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007f2b3a6cf250 R14: 00007f2b3b0d4620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor.1:14444 blocked for more than 145 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:20472 pid:14444 tgid:14444 ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
 kernfs_fop_write_iter+0x3a4/0x500 fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa84/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fb740e7caef
RSP: 002b:00007fb7410cf200 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb740e7caef
RDX: 0000000000000001 RSI: 00007fb7410cf250 RDI: 0000000000000005
RBP: 00007fb740eca021 R08: 0000000000000000 R09: 00007fb7410cf057
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007fb7410cf250 R14: 00007fb741ad4620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor.3:14483 blocked for more than 145 seconds.
      Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:20816 pid:14483 tgid:14483 ppid:1      flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
 kernfs_fop_write_iter+0x3a4/0x500 fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa84/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f5d93c7caef
RSP: 002b:00007f5d93ecf200 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5d93c7caef
RDX: 0000000000000001 RSI: 00007f5d93ecf250 RDI: 0000000000000005
RBP: 00007f5d93cca021 R08: 0000000000000000 R09: 00007f5d93ecf057
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007f5d93ecf250 R14: 00007f5d948d4620 R15: 0000000000000003
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8e1316a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 #0: ffffffff8e1316a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 #0: ffffffff8e1316a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:1/40:
 #0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc90000b07d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc90000b07d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281
5 locks held by kworker/u8:2/43:
 #0: ffff888015acd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888015acd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc90000b47d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc90000b47d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf5/0xb90 net/core/net_namespace.c:580
 #3: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe8/0x9d0 net/core/dev.c:11612
 #4: ffffffff8e136900 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4c/0x550 kernel/rcu/tree.c:4073
1 lock held by dhcpcd/4733:
 #0: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x13e/0x790 net/netlink/af_netlink.c:2333
2 locks held by getty/4815:
 #0: ffff88802a58a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by kworker/u8:8/16869:
3 locks held by kworker/0:3/15735:
 #0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc9000a4afd00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc9000a4afd00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
3 locks held by kworker/0:9/23804:
 #0: ffff888029b69948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888029b69948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc90004a7fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc90004a7fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4144
3 locks held by kworker/1:14/23813:
 #0: ffff888029b69948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888029b69948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc90004abfd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc90004abfd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4144
1 lock held by syz-executor.0/13423:
 #0: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6614
5 locks held by kworker/u8:9/14034:
4 locks held by syz-executor.4/14409:
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
 #1: ffff888034934888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
 #2: ffff888023192918 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
 #3: ffffffff8ecba648 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166
7 locks held by syz-executor.2/14422:
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
 #1: ffff88803af4b488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
 #2: ffff888023192a00 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
 #3: ffffffff8ecba648 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
 #4: ffff88807ef000e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff88807ef000e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88807ef000e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
 #5: ffff88807ef01250 (&devlink->lock_key#5){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672
 #6: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: unregister_nexthop_notifier+0x7c/0x220 net/ipv4/nexthop.c:3638
4 locks held by syz-executor.1/14444:
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
 #1: ffff88802d4f2088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
 #2: ffff888023192a00 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
 #3: ffffffff8ecba648 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
4 locks held by syz-executor.3/14483:
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
 #0: ffff88802f4cc420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
 #1: ffff88803a364088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
 #2: ffff888023192a00 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
 #3: ffffffff8ecba648 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
2 locks held by syz-executor.0/15902:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.4/15914:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/15921:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.2/15930:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.3/15937:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.0/15948:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.4/15968:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/15978:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.2/15986:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878
2 locks held by syz-executor.3/15994:
 #0: ffffffff8f36ea90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c8/0x7b0 net/core/net_namespace.c:491
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
 #1: ffffffff8f37b008 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x10a/0x1e0 net/smc/smc_pnet.c:878

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xfb0/0xff0 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16869 Comm: kworker/u8:8 Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:check_preemption_disabled+0x49/0x120 lib/smp_processor_id.c:55
Code: 74 65 8b 05 b1 3e 99 74 a9 ff ff ff 7f 74 26 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 89 d8 48 83 c4 10 5b <41> 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 04 24 00 00 00 00 9c 8f 04
RSP: 0018:ffffc900134273e0 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8171a844
RDX: 0000000000000000 RSI: ffffffff8bfe91c0 RDI: ffffffff8bfe9180
RBP: ffffc90013427568 R08: ffffffff8f85d76f R09: 1ffffffff1f0baed
R10: dffffc0000000000 R11: fffffbfff1f0baee R12: 1ffff92002684e8c
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc900134276c0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001363000 CR3: 000000000df32000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:700
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xe3/0x530 kernel/locking/lockdep.c:5725
 rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 rcu_read_lock include/linux/rcupdate.h:750 [inline]
 __pte_offset_map+0x9e/0x380 mm/pgtable-generic.c:285
 __pte_offset_map_lock+0xc7/0x300 mm/pgtable-generic.c:369
 get_locked_pte include/linux/mm.h:2683 [inline]
 __text_poke+0x2c5/0xd30 arch/x86/kernel/alternative.c:1900
 text_poke arch/x86/kernel/alternative.c:1985 [inline]
 text_poke_bp_batch+0x59c/0xb30 arch/x86/kernel/alternative.c:2318
 text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:826
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>

Crashes (301):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/12 10:56 upstream 855684c7d938 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/11 11:23 upstream e8f897f4afef 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/07 10:23 upstream 67be068d31d4 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/05 21:31 upstream 90d35da658da f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2024/03/05 08:45 upstream 90d35da658da 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/02 19:19 upstream 5ad3cb0ed525 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2024/03/02 11:45 upstream 17ba56605bfd 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/02 08:06 upstream 17ba56605bfd 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/02 07:26 upstream 17ba56605bfd 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in linkwatch_event
2024/03/01 10:16 upstream 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2024/02/29 17:36 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/02/26 19:54 upstream d206a76d7d27 edd6a5e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2024/02/25 12:34 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/02/24 07:09 upstream 603c04e27c3e 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2024/02/22 16:25 upstream 39133352cbed 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/02/18 22:18 upstream c02197fc9076 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in linkwatch_event
2024/02/18 18:20 upstream c02197fc9076 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2024/02/18 16:33 upstream c02197fc9076 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2024/03/09 18:39 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in linkwatch_event
2023/05/31 17:38 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in linkwatch_event
2022/10/10 22:48 upstream 4899a36f91a9 aea5da89 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce INFO: task hung in linkwatch_event
2022/07/10 14:33 upstream b1c428b6c368 b5765a15 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: task hung in linkwatch_event
2024/03/09 17:15 net c8a5c731fd12 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/03/03 09:47 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/03/03 00:21 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/03/02 04:25 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/03/01 03:14 net b611b776a9c8 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/28 23:08 net 4adfc94d4aec d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/26 20:57 net 1a825e4cdf45 edd6a5e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/26 17:08 net 1a825e4cdf45 edd6a5e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/26 09:21 net 2a770cdc4382 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/23 22:16 net 3773d65ae515 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/23 12:06 net 3773d65ae515 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/23 06:12 net 359e54a93ab4 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/22 23:41 net 359e54a93ab4 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/20 01:05 net 40b9385dd8e6 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/02/19 00:40 net 398b7c3770c2 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in linkwatch_event
2024/03/12 12:15 net-next 76839e2f1fde 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/11 23:05 net-next c2b25092864a 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/09 19:45 net-next d7e14e534493 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/08 02:07 net-next a148f82c457f 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/05 23:09 net-next 885c36e59f46 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/05 12:22 net-next 09fcde547761 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/03/01 22:59 net-next e96082570933 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/29 10:25 net-next 4ac828960a60 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/28 09:50 net-next 4440873f3655 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/27 20:07 net-next 25d434257464 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/24 21:58 net-next d662c5b3ce6d 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/21 21:47 net-next ca61ba388527 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/21 14:40 net-next 2f3bfa8e30b5 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/19 03:20 net-next 78e886ba2b54 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2022/05/13 15:58 net-next-old b67fd3d9d942 107f6434 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in linkwatch_event
2024/02/17 07:06 linux-next 2c3b09aac00d 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in linkwatch_event
2023/06/01 07:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 243ff7e6a035 babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in linkwatch_event
* Struck through repros no longer work on HEAD.