hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 BUG: unable to handle kernel paging request at ffffeafff9180000 IP: [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] IP: [] PageHead include/linux/page-flags.h:396 [inline] IP: [] copy_huge_pmd+0x235/0x710 mm/huge_memory.c:968 PGD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 8508 Comm: syz-executor5 Not tainted 4.4.149-gf76bdbd #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d3b56000 task.stack: ffff8801d8950000 RIP: 0010:[] [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] RIP: 0010:[] [] PageHead include/linux/page-flags.h:396 [inline] RIP: 0010:[] [] copy_huge_pmd+0x235/0x710 mm/huge_memory.c:968 RSP: 0018:ffff8801d8957988 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9180000 RCX: ffffc900058b6000 RDX: 1ffffd5fff230000 RSI: ffffffff8150891f RDI: 00003ffe460001e0 RBP: ffff8801d89579f8 R08: ffffffff853763f0 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8801d3b56000 R12: ffff8800b8df5800 R13: ffff8800b584e300 R14: ffffea0000000000 R15: 00003ffe460001e0 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f5754b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffeafff9180000 CR3: 00000000bb1ac000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 00003ffe460001e0 0000000000000080 ffff8800b5c7e300 ffff8801d334b4d0 ffff8800bb0e0b58 ffff8801d977b800 ffffea0007688a40 00000000d3b568e0 0000000020000000 ffff8800b8df5800 ffff8800b8df5800 dffffc0000000000 Call Trace: [] copy_pmd_range mm/memory.c:1007 [inline] [] copy_pud_range mm/memory.c:1039 [inline] [] copy_page_range+0x721/0x1480 mm/memory.c:1101 [] dup_mmap kernel/fork.c:517 [inline] [] dup_mm kernel/fork.c:985 [inline] [] copy_mm kernel/fork.c:1039 [inline] [] copy_process+0x3f03/0x63f0 kernel/fork.c:1507 [] _do_fork+0x146/0xe20 kernel/fork.c:1788 [] SYSC_clone kernel/fork.c:1899 [inline] [] SyS_clone+0x37/0x50 kernel/fork.c:1893 [] do_syscall_32_irqs_on arch/x86/entry/common.c:393 [inline] [] do_fast_syscall_32+0x324/0x8b0 arch/x86/entry/common.c:460 [] sysenter_flags_fixed+0xd/0x1a Code: e8 81 b7 e4 ff 48 23 5d 90 48 b8 00 00 00 00 00 fc ff df 48 c1 eb 06 4c 01 f3 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 3f 04 00 00 <48> 8b 03 f6 c4 40 0f 84 79 03 00 00 e8 4a b7 e4 ff 48 8d 7b 20 RIP [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] RIP [] PageHead include/linux/page-flags.h:396 [inline] RIP [] copy_huge_pmd+0x235/0x710 mm/huge_memory.c:968 RSP CR2: ffffeafff9180000 ---[ end trace 3e7909fc103f1935 ]---