task_struct 3548KB 4721KB cred 117KB 332KB anon_vma_chain 134KB 252KB anon_vma 152KB 359KB pid 122KB 421KB Acpi-Operand 202KB 316KB Acpi-ParseExt 21KB 39KB Acpi-Parse 11KB 27KB Acpi-State 12KB 31KB Acpi-Namespace 35KB 52KB numa_policy 7KB 8KB perf_event 15KB 31KB trace_event_file 577KB 580KB ftrace_event_field 1124KB 1126KB pool_workqueue 1958KB 2144KB task_group 20KB 32KB maple_node 479KB 1288KB mm_struct 121KB 382KB vmap_area 273KB 606KB debug_objects_cache 1666KB 4127KB page->ptl 29KB 94KB kmalloc-cg-8k 1152KB 1568KB kmalloc-cg-4k 7408KB 9824KB kmalloc-cg-2k 4752KB 6976KB kmalloc-cg-1k 1422KB 2400KB kmalloc-cg-512 634KB 1232KB kmalloc-cg-256 227KB 336KB kmalloc-cg-128 153KB 216KB kmalloc-cg-64 38KB 100KB kmalloc-cg-32 35KB 188KB kmalloc-cg-16 6KB 16KB kmalloc-cg-8 13KB 36KB kmalloc-cg-192 40KB 64KB kmalloc-cg-96 39KB 80KB kmalloc-8k 3344KB 4016KB kmalloc-4k 37432KB 37504KB kmalloc-2k 11716KB 14304KB kmalloc-1k 4804KB 7552KB kmalloc-512 9283KB 11184KB kmalloc-256 13508KB 13520KB kmalloc-128 1933KB 2372KB kmalloc-64 2741KB 3120KB kmalloc-32 1064KB 1716KB kmalloc-16 372KB 424KB kmalloc-8 335KB 416KB kmalloc-192 1135KB 1444KB kmalloc-96 1910KB 2576KB kmem_cache_node 214KB 220KB kmem_cache 179KB 218KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 0 UID: 0 PID: 12 Comm: kworker/u32:0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x552/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4116 [inline] __alloc_pages_slowpath mm/page_alloc.c:4967 [inline] __alloc_frozen_pages_noprof+0x24c2/0x2dc0 mm/page_alloc.c:5317 alloc_slab_page mm/slub.c:3266 [inline] allocate_slab mm/slub.c:3388 [inline] new_slab+0x1e2/0x640 mm/slub.c:3426 refill_objects+0xe3/0x410 mm/slub.c:7310 refill_sheaf mm/slub.c:2804 [inline] __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675 alloc_from_pcs mm/slub.c:4773 [inline] slab_alloc_node mm/slub.c:4905 [inline] kmem_cache_alloc_lru_noprof+0x46a/0x6a0 mm/slub.c:4950 alloc_inode+0x68/0x250 fs/inode.c:338 new_inode+0x22/0x1c0 fs/inode.c:1174 debugfs_get_inode fs/debugfs/inode.c:72 [inline] __debugfs_create_file+0x105/0x4f0 fs/debugfs/inode.c:433 debugfs_create_file_short+0x41/0x60 fs/debugfs/inode.c:471 add_link_files+0x72/0x130 net/mac80211/debugfs_netdev.c:987 ieee80211_debugfs_add_netdev net/mac80211/debugfs_netdev.c:1012 [inline] ieee80211_debugfs_recreate_netdev+0x982/0x1790 net/mac80211/debugfs_netdev.c:1034 drv_remove_interface+0x294/0x610 net/mac80211/driver-ops.c:125 ieee80211_do_stop+0x16b8/0x2bb0 net/mac80211/iface.c:762 ieee80211_stop+0x165/0x2f0 net/mac80211/iface.c:868 __dev_close_many+0x312/0x710 net/core/dev.c:1776 netif_close_many+0x233/0x630 net/core/dev.c:1802 netif_close net/core/dev.c:1819 [inline] netif_close+0x17f/0x230 net/core/dev.c:1813 dev_close+0xaa/0x240 net/core/dev_api.c:221 cfg80211_shutdown_all_interfaces+0xb4/0x250 net/wireless/core.c:361 ieee80211_remove_interfaces+0xc3/0x6e0 net/mac80211/iface.c:2465 ieee80211_unregister_hw+0x55/0x360 net/mac80211/main.c:1718 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim_main.c:6226 [inline] hwsim_exit_net+0x88e/0x14f0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:7207 ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x2ee/0xab0 net/core/net_namespace.c:252 cleanup_net+0x499/0x920 net/core/net_namespace.c:702 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Kernel Offset: disabled Rebooting in 86400 seconds..