IPv6: Can't replace route, no match found BUG: unable to handle kernel paging request at ffffeafff9340000 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: 1 PID: 11855 Comm: syz-executor6 Not tainted 4.4.150-g5541782 #83 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801bc653000 task.stack: ffff8800aee28000 IPv6: Can't replace route, no match found 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:ffff8800aee2fa00 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9340000 RCX: ffffc9000965e000 RDX: 1ffffd5fff268000 RSI: ffffffff815091bf RDI: 00003ffe4d0001e0 RBP: ffff8800aee2fa70 R08: ffffffff8531cd20 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8801bc653000 R12: ffff8801cb183800 R13: ffff8800af5f8f00 R14: ffffea0000000000 R15: 00003ffe4d0001e0 FS: 00007fdc7b8b4700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff9340000 CR3: 00000001da0a4000 CR4: 00000000001606f0 Stack: 00003ffe4d0001e0 0000000000000080 ffff8800b3e01400 ffff8800b49cc210 ffff8801d6f9c948 ffff8801d9027800 ffffea000762b940 00000000bc6538e0 0000000020000000 ffff8801cb183800 ffff8801cb183800 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 [] entry_SYSCALL_64_fastpath+0x22/0x9e Code: e8 21 b3 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 ea b2 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: ffffeafff9340000 ---[ end trace 3197426be9ff4853 ]---