INFO: task kworker/u8:0:12 blocked for more than 123 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0    state:D stack:0     pid:12    tgid:12    ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
 addrconf_dad_work+0xca/0x14e0 net/ipv6/addrconf.c:4218
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0x7d5/0x1020 kernel/workqueue.c:3310
 worker_thread+0x99f/0xd90 kernel/workqueue.c:3391
 kthread+0x2c7/0x370 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz-executor:518 blocked for more than 124 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:518   tgid:518   ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537
 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696
 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline]
 netlink_unicast+0x8c9/0xa60 net/netlink/af_netlink.c:1342
 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x247/0x2a0 net/socket.c:744
 __sys_sendto+0x3b8/0x510 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2222
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fecc6190763
RSP: 002b:00007ffdc9348ce8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fecc6ee4620 RCX: 00007fecc6190763
RDX: 0000000000000028 RSI: 00007fecc6ee4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffdc9348d04 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fecc6ee4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:520 blocked for more than 126 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:520   tgid:520   ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537
 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696
 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline]
 netlink_unicast+0x8c9/0xa60 net/netlink/af_netlink.c:1342
 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x247/0x2a0 net/socket.c:744
 __sys_sendto+0x3b8/0x510 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2222
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f6612d90763
RSP: 002b:00007fffbf6f4ac8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f6613ae4620 RCX: 00007f6612d90763
RDX: 0000000000000028 RSI: 00007f6613ae4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007fffbf6f4ae4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f6613ae4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:522 blocked for more than 127 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:522   tgid:522   ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537
 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696
 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline]
 netlink_unicast+0x8c9/0xa60 net/netlink/af_netlink.c:1342
 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x247/0x2a0 net/socket.c:744
 __sys_sendto+0x3b8/0x510 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2222
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f928c990763
RSP: 002b:00007ffc94bfa6e8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f928d6e4620 RCX: 00007f928c990763
RDX: 0000000000000028 RSI: 00007f928d6e4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffc94bfa704 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f928d6e4670 R15: 0000000000000000
 </TASK>
INFO: task kworker/u8:5:523 blocked for more than 128 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5    state:D stack:0     pid:523   tgid:523   ppid:2      flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
 linkwatch_event+0x12/0x60 net/core/link_watch.c:285
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0x7d5/0x1020 kernel/workqueue.c:3310
 worker_thread+0x99f/0xd90 kernel/workqueue.c:3391
 kthread+0x2c7/0x370 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz-executor:525 blocked for more than 130 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:525   tgid:525   ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537
 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696
 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline]
 netlink_unicast+0x8c9/0xa60 net/netlink/af_netlink.c:1342
 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x247/0x2a0 net/socket.c:744
 __sys_sendto+0x3b8/0x510 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2222
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fded8590763
RSP: 002b:00007ffc473e26b8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fded92e4620 RCX: 00007fded8590763
RDX: 0000000000000028 RSI: 00007fded92e4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffc473e26d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fded92e4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:527 blocked for more than 131 seconds.
      Not tainted 6.12.30-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:527   tgid:527   ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5332 [inline]
 __schedule+0xda5/0x1780 kernel/sched/core.c:6710
 __schedule_loop kernel/sched/core.c:6787 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:6802
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:6859
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x755/0x10d0 kernel/locking/mutex.c:752
 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1040
 mutex_lock+0xd9/0xf0 kernel/locking/mutex.c:286
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537
 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696
 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline]
 netlink_unicast+0x8c9/0xa60 net/netlink/af_netlink.c:1342
 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x247/0x2a0 net/socket.c:744
 __sys_sendto+0x3b8/0x510 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2222
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f2093d90763
RSP: 002b:00007ffe93794878 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f2094ae4620 RCX: 00007f2093d90763
RDX: 0000000000000028 RSI: 00007f2094ae4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffe93794894 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f2094ae4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:529 blocked for more than 133 seconds.