BUG: unable to handle kernel paging request at ffffeafff93c0000 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: 15619 Comm: syz-executor6 Not tainted 4.4.148-gf057ff9 #17 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800b4b8e000 task.stack: ffff8801c0470000 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:ffff8801c0477988 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff93c0000 RCX: ffffc9000485a000 RDX: 1ffffd5fff278000 RSI: ffffffff815086cf RDI: 00003ffe4f0001e0 RBP: ffff8801c04779f8 R08: ffffffff8535de40 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8800b4b8e000 R12: ffff8801d9434800 R13: ffff8800b24b2d00 R14: ffffea0000000000 R15: 00003ffe4f0001e0 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f572fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffeafff93c0000 CR3: 00000001d6cc3000 CR4: 00000000001606f0 Stack: 00003ffe4f0001e0 0000000000000080 ffff8800b24b3700 ffff8800b66c1948 ffff8800b9a997e8 ffff8801cc75f800 ffffea0007468800 00000000b4b8e8e0 0000000020000000 ffff8801d9434800 ffff8801d9434800 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 binder: BINDER_SET_CONTEXT_MGR already set binder: 15559:15624 ioctl 40046207 0 returned -16 binder: 15559:15624 ERROR: BC_REGISTER_LOOPER called without request [] 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 71 b8 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 [ 291.568635] binder: undelivered TRANSACTION_ERROR: 29201 03 80 3c 02 00 0f 85 3f 04 00 00 <48> 8b 03 f6 c4 40 0f 84 79 03 00 00 e8 3a b8 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: ffffeafff93c0000 ---[ end trace 9c30adf78e2a3285 ]---