BUG: scheduling while atomic: kworker/u4:11/15572/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff842b5c3b>] netlink_lock_table net/netlink/af_netlink.c:471 [inline]
[<ffffffff842b5c3b>] netlink_broadcast+0x7b/0x1160 net/netlink/af_netlink.c:1519
CPU: 0 PID: 15572 Comm: kworker/u4:11 Not tainted 6.1.75-syzkaller-00027-g77fec6cefe26 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x1b lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5960
 schedule_debug kernel/sched/core.c:5987 [inline]
 __schedule+0xcf7/0x1550 kernel/sched/core.c:6622
 schedule+0xc3/0x180 kernel/sched/core.c:6805
 synchronize_rcu_expedited+0x6fc/0x890 kernel/rcu/tree_exp.h:965
 synchronize_net+0x28/0x40 net/core/dev.c:10787
 ipv6_mc_down+0x9b/0x360 net/ipv6/mcast.c:2725
 ipv6_mc_destroy_dev+0x2b/0x630 net/ipv6/mcast.c:2792
 addrconf_ifdown+0x162c/0x1ab0 net/ipv6/addrconf.c:3930
 addrconf_notify+0x32f/0xe10
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0x8c/0xf0 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1977 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2015 [inline]
 call_netdevice_notifiers net/core/dev.c:2029 [inline]
 unregister_netdevice_many+0xe2a/0x1740 net/core/dev.c:10885
 default_device_exit_batch+0x5be/0x640 net/core/dev.c:11389
 ops_exit_list net/core/net_namespace.c:174 [inline]
 cleanup_net+0x6c9/0xbf0 net/core/net_namespace.c:601
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>