kmalloc-96 2773KB 3044KB kmem_cache_node 216KB 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: 2 Comm: kthreadd 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: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x553/0x970 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:4113 [inline] __alloc_pages_slowpath mm/page_alloc.c:5030 [inline] __alloc_frozen_pages_noprof+0x2852/0x3300 mm/page_alloc.c:5449 alloc_pages_mpol+0x201/0x550 mm/mempolicy.c:2486 alloc_pages_noprof+0x1a/0x160 mm/mempolicy.c:2577 get_free_pages_noprof+0x10/0xb0 mm/page_alloc.c:5507 __kasan_populate_vmalloc_do mm/kasan/shadow.c:364 [inline] __kasan_populate_vmalloc+0xa0/0x210 mm/kasan/shadow.c:424 kasan_populate_vmalloc include/linux/kasan.h:580 [inline] alloc_vmap_area+0x95d/0x2bb0 mm/vmalloc.c:2145 __get_vm_area_node+0x1ed/0x350 mm/vmalloc.c:3248 __vmalloc_node_range_noprof+0x268/0x1420 mm/vmalloc.c:4064 __vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4165 alloc_thread_stack_node kernel/fork.c:359 [inline] dup_task_struct kernel/fork.c:930 [inline] copy_process+0x803/0x8370 kernel/fork.c:2133 kernel_clone+0x176/0x9d0 kernel/fork.c:2769 kernel_thread+0xdb/0x120 kernel/fork.c:2830 create_kthread kernel/kthread.c:459 [inline] kthreadd+0x498/0x7a0 kernel/kthread.c:817 ret_from_fork+0x730/0xd60 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..