INFO: task jbd2/sda1-8:4442 blocked for more than 143 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:25496 pid:4442 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
io_schedule+0xbe/0x130 kernel/sched/core.c:9027
bit_wait_io+0x16/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
__wait_on_buffer+0x63/0x70 fs/buffer.c:122
wait_on_buffer include/linux/buffer_head.h:398 [inline]
journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline]
jbd2_journal_commit_transaction+0x47c1/0x6200 fs/jbd2/commit.c:890
kjournald2+0x1d4/0x890 fs/jbd2/journal.c:209
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task dhcpcd:4692 blocked for more than 143 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:26168 pid:4692 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
__netlink_dump_start+0x16e/0x9b0 net/netlink/af_netlink.c:2337
netlink_dump_start include/linux/netlink.h:330 [inline]
rtnetlink_rcv_msg+0x761/0xd50 net/core/rtnetlink.c:6373
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2548
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:1913
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: 0033:0x7f6c4858ca4b
RSP: 002b:00007fff9b8e6758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000560fb8c4181d RCX: 00007f6c4858ca4b
RDX: 0000000000000000 RSI: 00007fff9b8e67a0 RDI: 000000000000000f
RBP: 00007fff9b8eeb18 R08: 00007fff9b8ea844 R09: 00007fff9b8ea844
R10: 00007fff9b8eed60 R11: 0000000000000246 R12: 000000000000000f
R13: 0000560fb96592e0 R14: 00007fff9b8eeb18 R15: 0000000006001eac
INFO: task kworker/0:6:5117 blocked for more than 144 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:25752 pid:5117 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__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:2594
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2745
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/u4:10:5696 blocked for more than 145 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:10 state:D stack:24712 pid:5696 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rcu_barrier+0x48/0x6a0 kernel/rcu/tree.c:4001
l2tp_exit_net+0x1ab/0x390 net/l2tp/l2tp_core.c:1672
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2594
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2745
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/0:11:6099 blocked for more than 145 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:11 state:D stack:25688 pid:6099 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
linkwatch_event+0xf/0x70 net/core/link_watch.c:277
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2594
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2745
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/0:12:6279 blocked for more than 145 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:12 state:D stack:24288 pid:6279 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__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:2594
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2745
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.1:9532 blocked for more than 146 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27120 pid:9532 ppid:8281 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rcu_barrier+0x48/0x6a0 kernel/rcu/tree.c:4001
setup_net+0x744/0xa40 net/core/net_namespace.c:368
copy_net_ns+0x334/0x6c0 net/core/net_namespace.c:491
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x449/0x920 kernel/fork.c:3437
__do_sys_unshare kernel/fork.c:3508 [inline]
__se_sys_unshare kernel/fork.c:3506 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3506
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: 0033:0x7f503808c149
RSP: 002b:00007f5038e2e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f50381ac1f0 RCX: 00007f503808c149
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c060000
RBP: 00007f50380e7cad R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffecbd18c9f R14: 00007f5038e2e300 R15: 0000000000022000
INFO: task syz-executor.0:9589 blocked for more than 146 seconds.
Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27912 pid:9589 ppid:1 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6709
schedule+0xde/0x1a0 kernel/sched/core.c:6785
schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
__flush_workqueue+0x3f5/0x13a0 kernel/workqueue.c:3171
hci_dev_open+0xdf/0x300 net/bluetooth/hci_core.c:527
hci_sock_ioctl+0x390/0x900 net/bluetooth/hci_sock.c:1068
sock_do_ioctl+0xcc/0x230 net/socket.c:1190
sock_ioctl+0x1f8/0x680 net/socket.c:1307
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x19d/0x210 fs/ioctl.c:856
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: 0033:0x7f7744e8bf37
RSP: 002b:00007ffd614e2b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000000ff RCX: 00007f7744e8bf37
RDX: 0000000000000009 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f77441ff700 R09: 00007f77441ff700
R10: 00007f77441ff9d0 R11: 0000000000000246 R12: 0000000000000009
R13: 0000000000000009 R14: 00007f7744fac9d8 R15: 000000000000000c
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a1a30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xe60 kernel/rcu/tasks.h:568
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a16f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xe60 kernel/rcu/tasks.h:568
2 locks held by kworker/1:0/22:
1 lock held by khungtaskd/28:
#0: ffffffff8c9a2640 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390 kernel/locking/lockdep.c:6615
1 lock held by dm_bufio_cache/2287:
4 locks held by kworker/1:2/2562:
2 locks held by ipv6_addrconf/2597:
1 lock held by krxrpcd/2714:
#0: ffffffff8c85e5c8 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x27/0x350 kernel/workqueue.c:2059
1 lock held by kworker/1:3/3548:
3 locks held by kworker/u5:1/4434:
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88803f353938 ((wq_completion)hci9){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2564
#1: ffffc90006a87db0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffff88802f0990b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_open+0x25/0x70 net/bluetooth/hci_core.c:481
1 lock held by dhcpcd/4692:
#0: ffffffff8e3c8128 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x16e/0x9b0 net/netlink/af_netlink.c:2337
2 locks held by getty/4778:
#0: ffff888028c89098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015c02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf02/0x13f0 drivers/tty/n_tty.c:2176
1 lock held by kworker/u5:2/5056:
#0: ffffffff8c85e5c8 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x27/0x350 kernel/workqueue.c:2059
3 locks held by kworker/u5:3/5058:
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88802a50d138 ((wq_completion)hci10){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2564
#1: ffffc900044afdb0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffff88802f09d0b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_open+0x25/0x70 net/bluetooth/hci_core.c:481
2 locks held by wg-crypt-wg0/5096:
4 locks held by kworker/1:4/5111:
2 locks held by kworker/1:5/5112:
3 locks held by kworker/1:6/5114:
4 locks held by kworker/1:7/5115:
3 locks held by kworker/0:6/5117:
#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:2564
#1: ffffc90004fdfdb0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffffffff8e3c8128 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
3 locks held by kworker/u4:7/5128:
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2564
#1: ffffc9000504fdb0 ((work_completion)(&pool->idle_cull_work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffffffff8c85e5c8 (wq_pool_attach_mutex){+.+.}-{3:3}, at: idle_cull_fn+0x90/0x3d0 kernel/workqueue.c:2310
4 locks held by kworker/1:8/5150:
4 locks held by kworker/1:9/5170:
4 locks held by kworker/u4:10/5696:
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88801465f938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2564
#1: ffffc90007067db0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffffffff8e3b3cd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb10 net/core/net_namespace.c:576
#3: ffffffff8c9adcc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6a0 kernel/rcu/tree.c:4001
2 locks held by kworker/1:10/5702:
2 locks held by kworker/u4:12/5792:
#0: ffff8880b983c458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:558
#1: ffff8880b9828848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x950 kernel/sched/psi.c:995
3 locks held by kworker/0:11/6099:
#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:2564
#1: ffffc9001575fdb0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffffffff8e3c8128 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xf/0x70 net/core/link_watch.c:277
3 locks held by kworker/0:12/6279:
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888027fd4538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2564
#1: ffffc90015e87db0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2568
#2: ffffffff8e3c8128 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
4 locks held by kworker/1:1/8383:
2 locks held by syz-executor.5/9512:
3 locks held by syz-executor.2/9525:
2 locks held by syz-executor.1/9532:
#0: ffffffff8e3b3cd0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x311/0x6c0 net/core/net_namespace.c:487
#1: ffffffff8c9adcc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6a0 kernel/rcu/tree.c:4001
2 locks held by syz-executor.0/9530:
6 locks held by syz-executor.5/9578:
#0: ffff88807f404410 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x122/0x250 fs/read_write.c:637
#1: ffff8880393d3888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x285/0x600 fs/kernfs/file.c:325
#2: ffff888141f38cb8 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a9/0x600 fs/kernfs/file.c:326
#3: ffffffff8da7b908 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xc9/0x4a0 drivers/net/netdevsim/bus.c:209
#4: ffff88804068d0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:957 [inline]
#4: ffff88804068d0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff88804068d0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290
#5: ffff88804068e250 (&devlink->lock_key#6){+.+.}-{3:3}, at: nsim_drv_remove+0x4a/0x1d0 drivers/net/netdevsim/dev.c:1675
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc6-next-20230614-syzkaller #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:154 [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:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9525 Comm: syz-executor.2 Not tainted 6.4.0-rc6-next-20230614-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:lock_acquire.part.0+0x35/0x370 kernel/locking/lockdep.c:5726
Code: 55 41 89 d5 48 ba 00 00 00 00 00 fc ff df 41 54 41 89 cc 55 53 48 81 ec a8 00 00 00 48 c7 44 24 08 b3 8a b5 41 48 8d 5c 24 08 <48> c7 44 24 10 13 10 25 8c 48 c1 eb 03 48 c7 44 24 18 10 00 66 81
RSP: 0018:ffffc900001dfdb0 EFLAGS: 00000282
RAX: 0000000000000001 RBX: ffffc900001dfdb8 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8c9a2640
RBP: 00007fbbe9c8c149 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8ea980d7 R11: 0000000000096001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8c9a2640
FS: 00007fbbeaa74700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555abf848 CR3: 000000007e84c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire include/linux/rcupdate.h:302 [inline]
rcu_read_lock include/linux/rcupdate.h:748 [inline]
is_bpf_text_address+0x3a/0x1b0 kernel/bpf/core.c:719
kernel_text_address kernel/extable.c:125 [inline]
kernel_text_address+0x3d/0x80 kernel/extable.c:94
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address arch/x86/kernel/unwind_orc.c:366 [inline]
unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:361
arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x7f/0x90 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:750 [inline]
slab_alloc_node mm/slub.c:3470 [inline]
slab_alloc mm/slub.c:3478 [inline]
__kmem_cache_alloc_lru mm/slub.c:3485 [inline]
kmem_cache_alloc+0x16c/0x380 mm/slub.c:3494
skb_ext_maybe_cow net/core/skbuff.c:6554 [inline]
skb_ext_add+0xfa/0x790 net/core/skbuff.c:6620
nf_bridge_unshare net/bridge/br_netfilter_hooks.c:160 [inline]
br_nf_forward_ip+0xe1/0x13c0 net/bridge/br_netfilter_hooks.c:592
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+0x19a/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
br_nf_hook_thresh+0x2fb/0x3f0 net/bridge/br_netfilter_hooks.c:1048
br_nf_pre_routing_finish_ipv6+0x695/0xf30 net/bridge/br_netfilter_ipv6.c:148
NF_HOOK include/linux/netfilter.h:303 [inline]
br_nf_pre_routing_ipv6+0x41b/0x830 net/bridge/br_netfilter_ipv6.c:178
br_nf_pre_routing+0xda4/0x1520 net/bridge/br_netfilter_hooks.c:508
nf_hook_entry_hookfn include/linux/netfilter.h:143 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:272 [inline]
br_handle_frame+0xac1/0x1440 net/bridge/br_input.c:417
__netif_receive_skb_core+0xa10/0x3900 net/core/dev.c:5319
__netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5423
__netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5539
process_backlog+0x13e/0x6d0 net/core/dev.c:5867
__napi_poll+0xb3/0x520 net/core/dev.c:6433
napi_poll net/core/dev.c:6500 [inline]
net_rx_action+0x8e4/0xd00 net/core/dev.c:6633
__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:395 [inline]
tcp_metrics_flush_all+0x27c/0x390 net/ipv4/tcp_metrics.c:899
ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
setup_net+0x64c/0xa40 net/core/net_namespace.c:362
copy_net_ns+0x334/0x6c0 net/core/net_namespace.c:491
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x449/0x920 kernel/fork.c:3437
__do_sys_unshare kernel/fork.c:3508 [inline]
__se_sys_unshare kernel/fork.c:3506 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3506
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: 0033:0x7fbbe9c8c149
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbbeaa74168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fbbe9dac050 RCX: 00007fbbe9c8c149
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c060000
RBP: 00007fbbe9ce7cad R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc919976af R14: 00007fbbeaa74300 R15: 0000000000022000
net_ratelimit: 16869 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)