kmalloc-96              2335KB       2336KB
kmem_cache_node          222KB        224KB
kmem_cache               187KB        187KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 1 UID: 0 PID: 212 Comm: kworker/u32:5 Not tainted 6.11.0-rc4-syzkaller-00274-g780bdc1ba776 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:119
 panic+0x6dc/0x7c0 kernel/panic.c:354
 out_of_memory+0x15de/0x16b0 mm/oom_kill.c:1170
 __alloc_pages_may_oom mm/page_alloc.c:3609 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4371 [inline]
 __alloc_pages_noprof+0x1d89/0x2460 mm/page_alloc.c:4708
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x4e/0xf0 mm/slub.c:2321
 allocate_slab mm/slub.c:2492 [inline]
 new_slab+0x234/0x260 mm/slub.c:2537
 ___slab_alloc+0xdac/0x1870 mm/slub.c:3723
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3813
 __slab_alloc_node mm/slub.c:3866 [inline]
 slab_alloc_node mm/slub.c:4025 [inline]
 kmem_cache_alloc_node_noprof+0xed/0x310 mm/slub.c:4080
 kmalloc_reserve+0x18b/0x2c0 net/core/skbuff.c:583
 __alloc_skb+0x164/0x380 net/core/skbuff.c:674
 alloc_skb include/linux/skbuff.h:1320 [inline]
 nlmsg_new include/net/netlink.h:1015 [inline]
 inet6_netconf_notify_devconf+0x87/0x180 net/ipv6/addrconf.c:589
 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7250 [inline]
 addrconf_sysctl_unregister+0x134/0x1c0 net/ipv6/addrconf.c:7274
 addrconf_ifdown.isra.0+0x1463/0x1a20 net/ipv6/addrconf.c:4009
 addrconf_notify+0x223/0x19d0 net/ipv6/addrconf.c:3779
 notifier_call_chain+0xb9/0x410 kernel/notifier.c:93
 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1994
 call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]
 call_netdevice_notifiers net/core/dev.c:2046 [inline]
 unregister_netdevice_many_notify+0x8bb/0x1e40 net/core/dev.c:11352
 unregister_netdevice_many net/core/dev.c:11414 [inline]
 unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11289
 unregister_netdevice include/linux/netdevice.h:3129 [inline]
 nsim_destroy+0x107/0x6a0 drivers/net/netdevsim/netdev.c:778
 __nsim_dev_port_del+0x189/0x240 drivers/net/netdevsim/dev.c:1425
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline]
 nsim_dev_reload_destroy+0x108/0x4d0 drivers/net/netdevsim/dev.c:1658
 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:965
 devlink_reload+0x17f/0x760 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x1a1/0x2b0 net/devlink/core.c:509
 ops_pre_exit_list net/core/net_namespace.c:163 [inline]
 cleanup_net+0x488/0xbb0 net/core/net_namespace.c:620
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..