kmalloc-96              1887KB       2496KB
kmem_cache_node          215KB        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: 11044 Comm: syz.5.1730 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
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: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:3294 [inline]
 allocate_slab mm/slub.c:3416 [inline]
 new_slab+0x1e2/0x650 mm/slub.c:3454
 refill_objects+0xe3/0x410 mm/slub.c:7338
 refill_sheaf mm/slub.c:2832 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4703
 alloc_from_pcs mm/slub.c:4801 [inline]
 slab_alloc_node mm/slub.c:4933 [inline]
 __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5511
 _kmalloc_noprof include/linux/slab.h:969 [inline]
 kvm_uevent_notify_change.part.0+0x2a6/0x450 virt/kvm/kvm_main.c:6324
 kvm_uevent_notify_change virt/kvm/kvm_main.c:6294 [inline]
 kvm_destroy_vm virt/kvm/kvm_main.c:1260 [inline]
 kvm_put_kvm+0xe4/0xb10 virt/kvm/kvm_main.c:1331
 kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x951/0x2ae0 kernel/exit.c:1009
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1152
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3046
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x402/0xa00 kernel/entry/common.c:165
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0023:0xf70ef1d8
Code: Unable to access opcode bytes at 0xf70ef1ae.
RSP: 002b:00000000ffbcddf0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 00000000bfffffff
RDX: 000000000c230000 RSI: 0000000000000012 RDI: 000000000c230000
RBP: 00000000f7fd5610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..