BUG: sleeping function called from invalid context at mm/page_alloc.c:5167 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8488, name: syz-executor.1 INFO: lockdep is turned off. irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1dcd/0x74d0 kernel/fork.c:2061 softirqs last enabled at (0): [] copy_process+0x1e0e/0x74d0 kernel/fork.c:2065 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 8488 Comm: syz-executor.1 Tainted: G W 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9154 prepare_alloc_pages+0x3da/0x580 mm/page_alloc.c:5167 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5363 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2433 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5301 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 alloc_thread_stack_node kernel/fork.c:245 [inline] dup_task_struct kernel/fork.c:875 [inline] copy_process+0x8db/0x74d0 kernel/fork.c:1952 kernel_clone+0xe7/0xac0 kernel/fork.c:2509 __do_compat_sys_ia32_clone+0xac/0xe0 arch/x86/kernel/sys_ia32.c:254 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] do_int80_syscall_32+0x46/0x90 arch/x86/entry/common.c:132 entry_INT80_compat+0x71/0x76 arch/x86/entry/entry_64_compat.S:413 RIP: 0023:0x8096884 Code: 8b 44 24 04 89 41 08 c7 41 04 00 00 00 00 53 56 57 8b 74 24 24 8b 54 24 20 8b 5c 24 18 8b 7c 24 28 b8 78 00 00 00 89 19 cd 80 <5f> 5e 5b 85 c0 0f 8c 11 72 00 00 74 01 c3 89 f5 ff d3 e8 00 00 00 RSP: 002b:00000000ff8d7680 EFLAGS: 00000292 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 00000000003d0f00 RCX: 00000000f7fb67a4 RDX: 00000000f7fb6ba8 RSI: 00000000ff8d76cc RDI: 00000000f7fb6ba8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000