------------[ cut here ]------------ WARNING: CPU: 0 PID: 13582 at mm/page_alloc.c:3556 __alloc_pages_slowpath+0x138a/0x1e50 mm/page_alloc.c:3556 input: syz0 as /devices/virtual/input/input27 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 13582 Comm: syz-executor2 Not tainted 4.9.124-g09eb2ba #83 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff88019079f510 ffffffff81eb95e9 ffffffff83c48ac0 00000000ffffffff 0000000000000000 0000000000000000 0000000000000de4 ffff88019079f5d0 ffffffff81423eb5 0000000041b58ab3 ffffffff843bb8e8 ffffffff81423cf6 Call Trace: [<ffffffff81eb95e9>] __dump_stack lib/dump_stack.c:15 [inline] [<ffffffff81eb95e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [<ffffffff81423eb5>] panic+0x1bf/0x3bc kernel/panic.c:179 [<ffffffff814241a1>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542 [<ffffffff811383bc>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [<ffffffff81455f4a>] __alloc_pages_slowpath+0x138a/0x1e50 mm/page_alloc.c:3556 [<ffffffff81456d64>] __alloc_pages_nodemask+0x354/0x700 mm/page_alloc.c:3862 [<ffffffff814a8e0a>] __alloc_pages include/linux/gfp.h:433 [inline] [<ffffffff814a8e0a>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<ffffffff814a8e0a>] alloc_pages_node include/linux/gfp.h:460 [inline] [<ffffffff814a8e0a>] kmalloc_order+0x2a/0x70 mm/slab_common.c:1043 [<ffffffff814a8e6f>] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054 [<ffffffff8153b3e4>] kmalloc_large include/linux/slab.h:422 [inline] [<ffffffff8153b3e4>] __kmalloc+0x194/0x300 mm/slub.c:3730 [<ffffffff82559aa8>] kmalloc include/linux/slab.h:495 [inline] [<ffffffff82559aa8>] vga_arb_write+0xd8/0xcc0 drivers/gpu/vga/vgaarb.c:1032 [<ffffffff81573bf5>] do_loop_readv_writev.part.18+0xd5/0x280 fs/read_write.c:718 [<ffffffff81577b45>] do_loop_readv_writev fs/read_write.c:707 [inline] [<ffffffff81577b45>] do_readv_writev+0x565/0x7a0 fs/read_write.c:873 [<ffffffff81578367>] vfs_writev+0x87/0xc0 fs/read_write.c:910 [<ffffffff81578797>] do_pwritev+0x197/0x240 fs/read_write.c:997 [<ffffffff8157b8b0>] SYSC_pwritev fs/read_write.c:1044 [inline] [<ffffffff8157b8b0>] SyS_pwritev+0x30/0x40 fs/read_write.c:1039 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282 [<ffffffff83a019d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..