cred                     119KB        328KB
anon_vma_chain            73KB        196KB
anon_vma                  91KB        326KB
pid                      142KB        382KB
Acpi-Operand             195KB        320KB
Acpi-ParseExt             21KB         27KB
Acpi-Parse                13KB         23KB
Acpi-State                10KB         19KB
Acpi-Namespace            35KB         52KB
shared_policy_node          3KB          4KB
numa_policy                7KB         11KB
perf_event                15KB         31KB
trace_event_file         540KB        540KB
ftrace_event_field       1020KB       1023KB
pool_workqueue          2096KB       2192KB
task_group                91KB        108KB
maple_node               443KB       1448KB
mm_struct                131KB        459KB
vmap_area                275KB        962KB
debug_objects_cache       2862KB       6866KB
page->ptl                 19KB         90KB
kmalloc-cg-8k           1584KB       1824KB
kmalloc-cg-4k          15808KB      16832KB
kmalloc-cg-2k          10160KB      10848KB
kmalloc-cg-1k           2898KB       3328KB
kmalloc-cg-512          1260KB       1488KB
kmalloc-cg-256           458KB        488KB
kmalloc-cg-128           280KB        324KB
kmalloc-cg-64             49KB         72KB
kmalloc-cg-32             39KB        180KB
kmalloc-cg-16              5KB         16KB
kmalloc-cg-8              20KB         32KB
kmalloc-cg-192            77KB         92KB
kmalloc-cg-96             57KB         80KB
kmalloc-8k              5936KB       6400KB
kmalloc-4k             32128KB      32768KB
kmalloc-2k             12240KB      13824KB
kmalloc-1k             11210KB      11336KB
kmalloc-512            11572KB      12480KB
kmalloc-256             5954KB       5960KB
kmalloc-128             3856KB       6440KB
kmalloc-64              3017KB       3996KB
kmalloc-32              1609KB       2076KB
kmalloc-16               424KB        480KB
kmalloc-8                419KB        676KB
kmalloc-192             2823KB       3592KB
kmalloc-96              1507KB       1848KB
kmem_cache_node          213KB        220KB
kmem_cache               177KB        242KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 0 UID: 0 PID: 1200 Comm: kworker/u32:9 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 vpanic+0x552/0x970 kernel/panic.c:650
 panic+0xd1/0xe0 kernel/panic.c:787
 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1182
 __alloc_pages_may_oom mm/page_alloc.c:4139 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4937 [inline]
 __alloc_frozen_pages_noprof+0x233d/0x2ba0 mm/page_alloc.c:5263
 alloc_slab_page mm/slub.c:3292 [inline]
 allocate_slab mm/slub.c:3489 [inline]
 new_slab+0x251/0x6b0 mm/slub.c:3539
 refill_objects+0x26b/0x400 mm/slub.c:7175
 refill_sheaf mm/slub.c:2812 [inline]
 __pcs_replace_empty_main+0x1ab/0x660 mm/slub.c:4615
 alloc_from_pcs mm/slub.c:4717 [inline]
 slab_alloc_node mm/slub.c:4851 [inline]
 __kmalloc_cache_noprof+0x493/0x6f0 mm/slub.c:5375
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 devl_region_create+0x1b4/0x4e0 net/devlink/region.c:1058
 nsim_dev_dummy_region_init drivers/net/netdevsim/dev.c:637 [inline]
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1575 [inline]
 nsim_dev_reload_up+0x302/0x830 drivers/net/netdevsim/dev.c:1058
 devlink_reload+0x2b7/0x790 net/devlink/dev.c:474
 devlink_pernet_pre_exit+0x222/0x330 net/devlink/core.c:507
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x499/0x920 net/core/net_namespace.c:704
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
 process_scheduled_works kernel/workqueue.c:3359 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..