WARNING: CPU: 0 PID: 5994 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline] WARNING: CPU: 0 PID: 5994 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 5994 Comm: syz-executor344 Not tainted 4.20.0-rc5+ #364 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:policy_node mm/mempolicy.c:1745 [inline] RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043 Code: 5f 5d c3 e8 35 2f bf ff 45 89 ec 31 ff 41 81 e4 00 00 04 00 44 89 e6 e8 31 30 bf ff 45 85 e4 0f 84 50 ff ff ff e8 13 2f bf ff <0f> 0b e9 44 ff ff ff e8 07 2f bf ff e8 22 5e ff ff 48 89 c3 e9 6b RSP: 0018:ffff8881b74bedd8 EFLAGS: 00010293 RAX: ffff8881c23d2700 RBX: ffff8881da96f280 RCX: ffffffff81c06c9f RDX: 0000000000000000 RSI: ffffffff81c06cad RDI: 0000000000000005 RBP: ffff8881b74bee18 R08: ffff8881c23d2700 R09: ffffed103b5c5b5f R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000 R13: 00000000000742ca R14: ffff8881da96f288 R15: 0000000000000002 do_huge_pmd_anonymous_page+0x59e/0x2030 mm/huge_memory.c:728 create_huge_pmd mm/memory.c:3656 [inline] __handle_mm_fault+0x3c91/0x5be0 mm/memory.c:3860 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139 RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00 RSP: 0018:ffff8881b74bf818 EFLAGS: 00010202 RAX: 000000000000004b RBX: 0000000000000004 RCX: 0000000000000004 RDX: 0000000000000004 RSI: ffff8881b74bf8f0 RDI: 0000000020d11000 RBP: ffff8881b74bf850 R08: ffffed1036e97f1f R09: ffffed1036e97f1e R10: ffffed1036e97f1e R11: 0000000000000003 R12: 0000000020d11004 R13: 0000000020d11000 R14: ffff8881b74bf8f0 R15: 00007ffffffff000 copy_to_user include/linux/uaccess.h:155 [inline] do_tcp_getsockopt.isra.43+0x2d5/0x3da0 net/ipv4/tcp.c:3582 tcp_getsockopt+0xc1/0xe0 net/ipv4/tcp.c:3595 sock_common_getsockopt+0x9a/0xe0 net/core/sock.c:2937 __sys_getsockopt+0x1ad/0x390 net/socket.c:1939 __do_sys_getsockopt net/socket.c:1950 [inline] __se_sys_getsockopt net/socket.c:1947 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1947 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440029 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff1a75bb28 EFLAGS: 00000213 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 RDX: 0000000000000005 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000020000000 R09: 00000000004002c8 R10: 0000000020d11000 R11: 0000000000000213 R12: 00000000004018b0 R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..