BUG: unable to handle kernel paging request at ffffeafff9110020 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 [ 50.233434] Oops: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13024 Comm: syz-executor841 Not tainted 4.9.120-gf85543b #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c5f03000 task.stack: ffff8801d7aa0000 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:ffff8801d7aa76c0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9110000 RCX: 0000000000000000 RDX: 1ffffd5fff222004 RSI: ffffffff814f5128 RDI: ffffeafff9110000 RBP: ffff8801d7aa76e8 R08: 00000000000360e0 R09: 0000000000000001 R10: ffff8801c5f03000 R11: 0000000000000001 R12: ffff8801d7aa7980 R13: ffffeafff9110020 R14: ffffeafff9110000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff9110020 CR3: 00000001b88a3000 CR4: 00000000001606f0 Stack: ffffeafff9110020 ffff8801d7aa7980 ffff8801b8cb9800 ffffeafff9110000 ffff8801bf6d3cb8 ffff8801d7aa7740 ffffffff8154bfcf ffff8801d7aa7990 ffff8801d7aa7988 ffff8801d7aa7a00 00003ffe444001e0 00000001b8cb9000 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 c8 b6 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 93 b6 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: ffffeafff9110020 ---[ end trace 2ccf41b36dca4656 ]--- BUG: unable to handle kernel paging request at ffffeafff9058020 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: 13089 Comm: syz-executor841 Tainted: G D 4.9.120-gf85543b #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d53c9800 task.stack: ffff8801d7488000 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:ffff8801d748f6c0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9058000 RCX: 0000000000000000 RDX: 1ffffd5fff20b004 RSI: ffffffff814f5128 RDI: ffffeafff9058000 RBP: ffff8801d748f6e8 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8801d53c9800 R11: 0000000000000000 R12: ffff8801d748f980 R13: ffffeafff9058020 R14: ffffeafff9058000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff9058020 CR3: 00000001bd19d000 CR4: 00000000001606f0 Stack: ffffeafff9058020 ffff8801d748f980 ffff8801ca381800 ffffeafff9058000 ffff8801d81435d8 ffff8801d748f740 ffffffff8154bfcf ffff8801d748f990 ffff8801d748f988 ffff8801d748fa00 00003ffe416001e0 00000001ca381000 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 c8 b6 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 93 b6 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: ffffeafff9058020 ---[ end trace 2ccf41b36dca4657 ]---