BUG: unable to handle kernel paging request at ffffeafff8d70008 IP: [] page_remove_rmap+0x2e/0x260 mm/rmap.c:1278 PGD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 5716 Comm: syz-executor168 Not tainted 4.4.148-gf057ff9 #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d6896000 task.stack: ffff8801d72f8000 RIP: 0010:[] [] page_remove_rmap+0x2e/0x260 mm/rmap.c:1278 RSP: 0018:ffff8801d72ff720 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff8d70000 RCX: 0000000000000000 RDX: 1ffffd5fff1ae001 RSI: ffffffff814bc75f RDI: ffffeafff8d70008 RBP: ffff8801d72ff730 R08: ffffffff85363fb0 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8801d6896000 R12: 0000000000000001 R13: 1ffff1003ae5feea R14: ffff8800b930b800 R15: ffffeafff8d70000 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff8d70008 CR3: 00000000b90e4000 CR4: 00000000001606f0 Stack: ffff8801d72ff9b0 0000000000000001 ffff8801d72ff7d8 ffffffff8150a1f3 00003ffe35c001e0 00003ffe35c001e0 0000000041b58ab3 ffffffff841ef82f ffffffff81509ff0 00000000000004f0 ffff8800b9541c08 ffff8801d72ff7a0 Call Trace: [] zap_huge_pmd+0x203/0x510 mm/huge_memory.c:1493 [] zap_pmd_range mm/memory.c:1249 [inline] [] zap_pud_range mm/memory.c:1283 [inline] [] unmap_page_range mm/memory.c:1307 [inline] [] unmap_single_vma+0xea3/0x1240 mm/memory.c:1352 [] unmap_vmas+0x81/0xd0 mm/memory.c:1382 [] exit_mmap+0x1c9/0x3a0 mm/mmap.c:2958 [] __mmput kernel/fork.c:717 [inline] [] mmput+0xf8/0x2d0 kernel/fork.c:737 [] exit_mm kernel/exit.c:440 [inline] [] do_exit+0x8d8/0x26b0 kernel/exit.c:742 [] do_group_exit+0x111/0x330 kernel/exit.c:885 [] get_signal+0x4ec/0x14b0 kernel/signal.c:2321 [] do_signal+0x8b/0x1d30 arch/x86/kernel/signal.c:712 [] exit_to_usermode_loop+0x11a/0x160 arch/x86/entry/common.c:249 [] prepare_exit_to_usermode arch/x86/entry/common.c:284 [inline] [] syscall_return_slowpath+0x1b5/0x1f0 arch/x86/entry/common.c:349 [] int_ret_from_sys_call+0x25/0xa3 Code: e5 41 54 53 48 89 fb e8 e1 77 e9 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 de 01 00 00 43 08 01 0f 84 4e 01 00 00 e8 b3 77 e9 ff f0 83 43 18 ff 78 RIP [] page_remove_rmap+0x2e/0x260 mm/rmap.c:1278 RSP CR2: ffffeafff8d70008 ---[ end trace 7a50ef224dd792ba ]---