INFO: task kworker/1:1:25585 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:23464 pid:25585 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/0:0:25653 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:22408 pid:25653 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/1:4:7311 blocked for more than 144 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:26552 pid:7311 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.5:13136 blocked for more than 144 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28520 pid:13136 ppid:5074 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa6f023e2ac
RSP: 002b:00007fa6f0ffa000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa6f0ffa0f0 RCX: 00007fa6f023e2ac
RDX: 0000000000000020 RSI: 00007fa6f0ffa140 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007fa6f0ffa054 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa6f0ffa0a8
R13: 00007fa6f0ffa140 R14: 0000000000000004 R15: 0000000000000000
INFO: task syz-executor.5:13140 blocked for more than 145 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28520 pid:13140 ppid:5074 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa6f023e2ac
RSP: 002b:00007fa6f0fd9000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa6f0fd90f0 RCX: 00007fa6f023e2ac
RDX: 0000000000000020 RSI: 00007fa6f0fd9140 RDI: 0000000000000007
RBP: 0000000000000000 R08: 00007fa6f0fd9054 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa6f0fd90a8
R13: 00007fa6f0fd9140 R14: 0000000000000007 R15: 0000000000000000
INFO: task syz-executor.5:13145 blocked for more than 145 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28056 pid:13145 ppid:5074 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
____sys_sendmsg+0x739/0x920 net/socket.c:2494
___sys_sendmsg+0x110/0x1b0 net/socket.c:2548
__sys_sendmsg+0xf7/0x1c0 net/socket.c:2577
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa6f028c389
RSP: 002b:00007fa6f0fb9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa6f03ac120 RCX: 00007fa6f028c389
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 00007fa6f02d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa6f04cfb1f R14: 00007fa6f0fb9300 R15: 0000000000022000
INFO: task syz-executor.5:13146 blocked for more than 146 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28056 pid:13146 ppid:5074 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa6f023e2ac
RSP: 002b:00007fa6f0f97000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa6f0f970f0 RCX: 00007fa6f023e2ac
RDX: 0000000000000020 RSI: 00007fa6f0f97140 RDI: 0000000000000008
RBP: 0000000000000000 R08: 00007fa6f0f97054 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa6f0f970a8
R13: 00007fa6f0f97140 R14: 0000000000000008 R15: 0000000000000000
INFO: task syz-executor.0:13143 blocked for more than 147 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28328 pid:13143 ppid:5073 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0ea483e2ac
RSP: 002b:00007f0ea55b5000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0ea55b50f0 RCX: 00007f0ea483e2ac
RDX: 0000000000000020 RSI: 00007f0ea55b5140 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007f0ea55b5054 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0ea55b50a8
R13: 00007f0ea55b5140 R14: 0000000000000005 R15: 0000000000000000
INFO: task syz-executor.1:13154 blocked for more than 147 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28056 pid:13154 ppid:5070 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
____sys_sendmsg+0x739/0x920 net/socket.c:2494
___sys_sendmsg+0x110/0x1b0 net/socket.c:2548
__sys_sendmsg+0xf7/0x1c0 net/socket.c:2577
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f706208c389
RSP: 002b:00007f7062df7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f70621abf80 RCX: 00007f706208c389
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f70620d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70622cfb1f R14: 00007f7062df7300 R15: 0000000000022000
INFO: task syz-executor.1:13156 blocked for more than 148 seconds.
Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28056 pid:13156 ppid:5070 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
____sys_sendmsg+0x739/0x920 net/socket.c:2494
___sys_sendmsg+0x110/0x1b0 net/socket.c:2548
__sys_sendmsg+0xf7/0x1c0 net/socket.c:2577
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f706208c389
RSP: 002b:00007f7062dd6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f70621ac050 RCX: 00007f706208c389
RDX: 0000000000000000 RSI: 0000000020000900 RDI: 0000000000000006
RBP: 00007f70620d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70622cfb1f R14: 00007f7062dd6300 R15: 0000000000022000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a3af0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a37f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8c9a4700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4789:
#0: ffff888028f1e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf08/0x13f0 drivers/tty/n_tty.c:2187
2 locks held by syz-executor.1/13497:
#0: ffff88802de0ee10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff88802de0ee10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x290 net/socket.c:653
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: ip_mc_drop_socket+0x8d/0x290 net/ipv4/igmp.c:2698
2 locks held by syz-executor.1/13520:
#0: ffff88802dda7410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff88802dda7410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x290 net/socket.c:653
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: ip_mc_drop_socket+0x8d/0x290 net/ipv4/igmp.c:2698
3 locks held by kworker/1:1/25585:
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc90016837db0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
3 locks held by kworker/0:0/25653:
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff8880284bb538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc900032dfdb0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
4 locks held by kworker/0:3/15885:
4 locks held by kworker/0:2/29077:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc90015e37db0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xf/0x70 net/core/link_watch.c:277
#3: ffffffff8c9afbb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#3: ffffffff8c9afbb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 kernel/rcu/tree_exp.h:992
5 locks held by kworker/0:7/29268:
4 locks held by kworker/0:8/29274:
3 locks held by kworker/1:4/7311:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc900073cfdb0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
1 lock held by syz-executor.5/13136:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.5/13140:
#0:
ffffffff8e3cea68
(rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.5/13145:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.5/13146:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.0/13143:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.1/13154:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.1/13156:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.1/13159:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.3/13155:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.3/13157:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.3/13161:
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
4 locks held by kworker/0:4/13171:
4 locks held by kworker/0:5/13172:
4 locks held by kworker/0:6/13173:
4 locks held by kworker/0:9/13174:
2 locks held by syz-executor.5/13198:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/13205:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.0/13209:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.3/13210:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.5/13225:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.3/13230:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/13231:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by syz-executor.0/13234:
#0: ffffffff8e3ba510 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e3cea68 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x131/0x230 net/smc/smc_pnet.c:878
2 locks held by kworker/0:15/13235:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 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+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13171 Comm: kworker/0:4 Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:do_raw_read_unlock+0x0/0xe0 kernel/locking/spinlock_debug.c:178
Code: e0 41 5c c3 be 04 00 00 00 48 89 df e8 b9 62 71 00 f0 81 2b 00 02 00 00 eb d9 48 89 df e8 28 5c 71 00 eb a0 66 0f 1f 44 00 00 <66> 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7
RSP: 0000:ffffc900000074d8 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffffc90000007468
RDX: 1ffff110069e0157 RSI: 0000000000000302 RDI: ffff888079006c40
RBP: ffff888079006c40 R08: 0000000000000001 R09: fffffbfff1d54d52
R10: ffffffff8eaa6a97 R11: 0000000000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffc900000076e0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000063fc0 CR3: 0000000073658000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_read_unlock_bh include/linux/rwlock_api_smp.h:256 [inline]
_raw_read_unlock_bh+0x1e/0x30 kernel/locking/spinlock.c:284
ebt_do_table+0x1869/0x1dd0 net/bridge/netfilter/ebtables.c:312
nf_hook_entry_hookfn include/linux/netfilter.h:143 [inline]
nf_hook_slow+0xc9/0x1f0 net/netfilter/core.c:626
nf_hook+0x431/0x730 include/linux/netfilter.h:258
NF_HOOK include/linux/netfilter.h:301 [inline]
br_forward_finish+0xd8/0x130 net/bridge/br_forward.c:66
NF_HOOK include/linux/netfilter.h:303 [inline]
NF_HOOK include/linux/netfilter.h:297 [inline]
__br_forward+0x1c1/0x570 net/bridge/br_forward.c:115
deliver_clone net/bridge/br_forward.c:131 [inline]
br_flood+0x392/0x630 net/bridge/br_forward.c:244
br_handle_frame_finish+0xf89/0x1de0 net/bridge/br_input.c:210
nf_hook_bridge_pre net/bridge/br_input.c:294 [inline]
br_handle_frame+0xe10/0x1440 net/bridge/br_input.c:417
__netif_receive_skb_core+0xa10/0x3900 net/core/dev.c:5346
__netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5450
__netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5566
process_backlog+0x101/0x670 net/core/dev.c:5894
__napi_poll+0xb7/0x6f0 net/core/dev.c:6460
napi_poll net/core/dev.c:6527 [inline]
net_rx_action+0x8a9/0xcb0 net/core/dev.c:6660
__do_softirq+0x1d4/0x905 kernel/softirq.c:553
do_softirq.part.0+0x87/0xc0 kernel/softirq.c:454
do_softirq kernel/softirq.c:446 [inline]
__local_bh_enable_ip+0x106/0x130 kernel/softirq.c:381
spin_unlock_bh include/linux/spinlock.h:396 [inline]
cfg80211_put_bss+0x1b4/0x280 net/wireless/scan.c:2959
ieee80211_rx_bss_put net/mac80211/scan.c:37 [inline]
ieee80211_rx_bss_put+0x43/0x60 net/mac80211/scan.c:32
ieee80211_rx_bss_info net/mac80211/ibss.c:1196 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1b5b/0x3080 net/mac80211/ibss.c:1642
ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline]
ieee80211_iface_work+0xa4a/0xd70 net/mac80211/iface.c:1658
cfg80211_wiphy_work+0x253/0x330 net/wireless/core.c:435
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308