INFO: task kworker/u8:6:1102 blocked for more than 153 seconds.
      Not tainted 6.10.0-next-20240719-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6    state:D stack:19736 pid:1102  tgid:1102  ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ip6mr_net_exit_batch+0x20/0x90 net/ipv6/ip6mr.c:1360
 ops_exit_list net/core/net_namespace.c:178 [inline]
 cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:640
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task dhcpcd:4768 blocked for more than 154 seconds.
      Not tainted 6.10.0-next-20240719-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:20672 pid:4768  tgid:4768  ppid:4767   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003
 sock_do_ioctl+0x158/0x460 net/socket.c:1222
 sock_ioctl+0x629/0x8e0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f75c37f9d49
RSP: 002b:00007ffde296eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f75c372b6c0 RCX: 00007f75c37f9d49
RDX: 00007ffde297ed78 RSI: 0000000000008914 RDI: 0000000000000018
RBP: 00007ffde298ef38 R08: 00007ffde297ed38 R09: 00007ffde297ece8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde297ed78 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
INFO: task kworker/1:7:5208 blocked for more than 155 seconds.
      Not tainted 6.10.0-next-20240719-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:22568 pid:5208  tgid:5208  ppid:2      flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
 __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:276
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz-executor:6582 blocked for more than 155 seconds.
      Not tainted 6.10.0-next-20240719-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D
 stack:21728 pid:6582  tgid:6582  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 rtnl_lock net/core/rtnetlink.c:149 [inline]
 rtnetlink_rcv_msg+0x6eb/0xd00 net/core/rtnetlink.c:6731
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2212
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa7f15778ec
RSP: 002b:00007ffddc4d6490 EFLAGS: 00000293
 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa7f2234620 RCX: 00007fa7f15778ec
RDX: 0000000000000068 RSI: 00007fa7f2234670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffddc4d64e4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fa7f2234670 R15: 0000000000000000
 </TASK>
INFO: task syz.1.385:6697 blocked for more than 157 seconds.
      Not tainted 6.10.0-next-20240719-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.385       state:D
 stack:26960 pid:6697  tgid:6687  ppid:5111   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 rtnl_lock net/core/rtnetlink.c:149 [inline]
 rtnetlink_rcv_msg+0x6eb/0xd00 net/core/rtnetlink.c:6731
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
 ___sys_sendmsg net/socket.c:2651 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680