WARNING: CPU: 0 PID: 12335 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline]
WARNING: CPU: 0 PID: 12335 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: 12335 Comm: syz-executor4 Not tainted 4.20.0-rc5+ #145
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 15 2f bf ff 45 89 ec 31 ff 41 81 e4 00 00 04 00 44 89 e6 e8 11 30 bf ff 45 85 e4 0f 84 50 ff ff ff e8 f3 2e bf ff <0f> 0b e9 44 ff ff ff e8 e7 2e bf ff e8 22 5e ff ff 48 89 c3 e9 6b
RSP: 0018:ffff88817facebe8 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8881da96fbb8 RCX: ffffc9000de46000
RDX: 0000000000000153 RSI: ffffffff81c06ccd RDI: 0000000000000005
RBP: ffff88817facec28 R08: ffff8881cdefc100 R09: ffffed103b5c5b5f
R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000
R13: 00000000000742ca R14: ffff8881da96fbc0 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:ffff88817facf628 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
RDX: 0000000000000004 RSI: ffff88817facf6c0 RDI: 0000000020c86000
RBP: ffff88817facf660 R08: ffffed102ff59ed9 R09: ffffed102ff59ed8
R10: ffffed102ff59ed8 R11: 0000000000000003 R12: 0000000020c86004
R13: 0000000020c86000 R14: ffff88817facf6c0 R15: 00007ffffffff000
 copy_to_user include/linux/uaccess.h:155 [inline]
 do_ipv6_getsockopt.isra.6+0x520/0x32d0 net/ipv6/ipv6_sockglue.c:1367
 ipv6_getsockopt+0x146/0x320 net/ipv6/ipv6_sockglue.c:1383
 tcp_getsockopt+0x93/0xe0 net/ipv4/tcp.c:3593
 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: 0033:0x457569
Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fcf2ca85c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569
RDX: 000000000000000b RSI: 0000000000000029 RDI: 0000000000000006
RBP: 000000000072bf00 R08: 0000000020000040 R09: 0000000000000000
R10: 0000000020c86000 R11: 0000000000000246 R12: 00007fcf2ca866d4
R13: 00000000004be3e0 R14: 00000000004cddd0 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..