input: syz1 as /devices/virtual/input/input161 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2369 at mm/page_alloc.c:3556 __alloc_pages_slowpath mm/page_alloc.c:3556 [inline] WARNING: CPU: 1 PID: 2369 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 mm/page_alloc.c:3862 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2369 Comm: syz-executor849 Not tainted 4.9.140+ #22 ffff8801cea6f858 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff ffffffff82a96600 0000000000000001 0000000000000009 ffff8801cea6f918 ffffffff813f7125 0000000041b58ab3 ffffffff82e2b45b ffffffff813f6f66 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x39f kernel/panic.c:179 [] __warn.cold.8+0x2f/0x2f kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] __alloc_pages_slowpath mm/page_alloc.c:3556 [inline] [] __alloc_pages_nodemask+0x13a0/0x1bd0 mm/page_alloc.c:3862 [] __alloc_pages include/linux/gfp.h:433 [inline] [] __alloc_pages_node include/linux/gfp.h:446 [inline] [] alloc_pages_node include/linux/gfp.h:460 [inline] [] kmalloc_order+0x2a/0x70 mm/slab_common.c:1043 [] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054 [] kmalloc_large include/linux/slab.h:422 [inline] [] __kmalloc+0x1ae/0x310 mm/slub.c:3730 [] kmalloc include/linux/slab.h:495 [inline] [] kzalloc include/linux/slab.h:636 [inline] [] input_mt_init_slots+0xcb/0x400 drivers/input/input-mt.c:52 [] uinput_create_device drivers/input/misc/uinput.c:275 [inline] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 drivers/input/misc/uinput.c:817 [] uinput_compat_ioctl+0x5f/0x80 drivers/input/misc/uinput.c:1001 [] C_SYSC_ioctl fs/compat_ioctl.c:1602 [inline] [] compat_SyS_ioctl+0x12d/0x1fd0 fs/compat_ioctl.c:1549 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Kernel Offset: disabled Rebooting in 86400 seconds..