BUG: unable to handle kernel paging request at ffffeafff9018020 IP: [] __read_once_size include/linux/compiler.h:243 [inline] IP: [] compound_head include/linux/page-flags.h:143 [inline] IP: [] PageAnon include/linux/page-flags.h:386 [inline] IP: [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 PGD 0 [ 50.001504] Oops: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 7237 Comm: syz-executor438 Not tainted 4.9.122-g54068d6 #78 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d3206000 task.stack: ffff8801d4f90000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] compound_head include/linux/page-flags.h:143 [inline] RIP: 0010:[] [] PageAnon include/linux/page-flags.h:386 [inline] RIP: 0010:[] [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 RSP: 0018:ffff8801d4f976c0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9018000 RCX: 0000000000000000 RDX: 1ffffd5fff203004 RSI: ffffffff814f5918 RDI: ffffeafff9018000 RBP: ffff8801d4f976e8 R08: ffff8801d32068e8 R09: 0000000000000001 R10: ffff8801d3206000 R11: 0000000000000001 R12: ffff8801d4f97980 R13: ffffeafff9018020 R14: ffffeafff9018000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff9018020 CR3: 00000001d3d77000 CR4: 00000000001606f0 Stack: ffffeafff9018020 ffff8801d4f97980 ffff8801d42af800 ffffeafff9018000 ffff8801d3ca2898 ffff8801d4f97740 ffffffff8154cb8f ffff8801d4f97990 ffff8801d4f97988 ffff8801d4f97a00 00003ffe406001e0 00000001d42af000 Call Trace: [] zap_huge_pmd+0x16f/0x860 mm/huge_memory.c:1428 [] zap_pmd_range mm/memory.c:1245 [inline] [] zap_pud_range mm/memory.c:1279 [inline] [] unmap_page_range+0x12ad/0x1730 mm/memory.c:1300 [] unmap_single_vma+0x101/0x260 mm/memory.c:1345 [] unmap_vmas+0x102/0x1d0 mm/memory.c:1375 [] exit_mmap+0x214/0x3f0 mm/mmap.c:3020 [] __mmput kernel/fork.c:884 [inline] [] mmput+0xf3/0x2d0 kernel/fork.c:906 [] exit_mm kernel/exit.c:514 [inline] [] do_exit+0x906/0x27b0 kernel/exit.c:820 [] do_group_exit+0x111/0x340 kernel/exit.c:937 [] get_signal+0x4cf/0x1450 kernel/signal.c:2321 [] do_signal+0x87/0x19f0 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0xe1/0x120 arch/x86/entry/common.c:157 [] prepare_exit_to_usermode arch/x86/entry/common.c:191 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:260 [inline] [] do_syscall_64+0x364/0x490 arch/x86/entry/common.c:287 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: 55 41 54 53 48 89 fb e8 58 b4 e6 ff 4c 8d 6b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 b8 05 00 00 <4c> 8b 73 20 49 89 dc 41 f6 c6 01 0f 85 4b 03 00 00 e8 23 b4 e6 RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] compound_head include/linux/page-flags.h:143 [inline] RIP [] PageAnon include/linux/page-flags.h:386 [inline] RIP [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 RSP CR2: ffffeafff9018020 ---[ end trace 8881afd080352db4 ]--- BUG: unable to handle kernel paging request at ffffeafff90b8020 IP: [] __read_once_size include/linux/compiler.h:243 [inline] IP: [] compound_head include/linux/page-flags.h:143 [inline] IP: [] PageAnon include/linux/page-flags.h:386 [inline] IP: [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 PGD 0 Oops: 0000 [#2] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 7245 Comm: syz-executor438 Tainted: G D 4.9.122-g54068d6 #78 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d0863000 task.stack: ffff8801d06d8000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] compound_head include/linux/page-flags.h:143 [inline] RIP: 0010:[] [] PageAnon include/linux/page-flags.h:386 [inline] RIP: 0010:[] [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 RSP: 0018:ffff8801d06df6c0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff90b8000 RCX: 0000000000000000 RDX: 1ffffd5fff217004 RSI: ffffffff814f5918 RDI: ffffeafff90b8000 RBP: ffff8801d06df6e8 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8801d0863000 R11: 0000000000000000 R12: ffff8801d06df980 R13: ffffeafff90b8020 R14: ffffeafff90b8000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff90b8020 CR3: 00000001caa75000 CR4: 00000000001606f0 Stack: ffffeafff90b8020 ffff8801d06df980 ffff8801d4dd0800 ffffeafff90b8000 ffff8801d3ca2528 ffff8801d06df740 ffffffff8154cb8f ffff8801d06df990 ffff8801d06df988 ffff8801d06dfa00 00003ffe42e001e0 00000001d4dd0000 Call Trace: [] zap_huge_pmd+0x16f/0x860 mm/huge_memory.c:1428 [] zap_pmd_range mm/memory.c:1245 [inline] [] zap_pud_range mm/memory.c:1279 [inline] [] unmap_page_range+0x12ad/0x1730 mm/memory.c:1300 [] unmap_single_vma+0x101/0x260 mm/memory.c:1345 [] unmap_vmas+0x102/0x1d0 mm/memory.c:1375 [] exit_mmap+0x214/0x3f0 mm/mmap.c:3020 [] __mmput kernel/fork.c:884 [inline] [] mmput+0xf3/0x2d0 kernel/fork.c:906 [] exit_mm kernel/exit.c:514 [inline] [] do_exit+0x906/0x27b0 kernel/exit.c:820 [] do_group_exit+0x111/0x340 kernel/exit.c:937 [] get_signal+0x4cf/0x1450 kernel/signal.c:2321 [] do_signal+0x87/0x19f0 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0xe1/0x120 arch/x86/entry/common.c:157 [] prepare_exit_to_usermode arch/x86/entry/common.c:191 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:260 [inline] [] do_syscall_64+0x364/0x490 arch/x86/entry/common.c:287 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: 55 41 54 53 48 89 fb e8 58 b4 e6 ff 4c 8d 6b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 b8 05 00 00 <4c> 8b 73 20 49 89 dc 41 f6 c6 01 0f 85 4b 03 00 00 e8 23 b4 e6 RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] compound_head include/linux/page-flags.h:143 [inline] RIP [] PageAnon include/linux/page-flags.h:386 [inline] RIP [] page_remove_rmap+0x37/0x6d0 mm/rmap.c:1429 RSP CR2: ffffeafff90b8020 ---[ end trace 8881afd080352db5 ]---