WARNING: CPU: 0 PID: 14353 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline]
WARNING: CPU: 0 PID: 14353 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: 14353 Comm: syz-executor4 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:ffff88818b086ad8 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8881da96f0a0 RCX: ffffc9000de3e000
RDX: 0000000000000271 RSI: ffffffff81c06cad RDI: 0000000000000005
RBP: ffff88818b086b18 R08: ffff8881b5732400 R09: ffffed103b5c5b5f
R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000
R13: 00000000000742ca R14: ffff8881da96f0a8 R15: 0000000000000002
 do_huge_pmd_wp_page+0x1373/0x5fc0 mm/huge_memory.c:1299
 wp_huge_pmd mm/memory.c:3666 [inline]
 __handle_mm_fault+0x2ddc/0x5be0 mm/memory.c:3879
 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_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 <f3> a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff88818b087ca0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000209e20 RCX: 0000000000009fa0
RDX: 0000000000209e20 RSI: ffff88817e5ffe80 RDI: 0000000020200000
RBP: ffff88818b087cd8 R08: ffffed102fcc13c4 R09: ffffed102fcc13c4
R10: ffffed102fcc13c3 R11: ffff88817e609e1f R12: 0000000020209fa0
R13: 0000000020000180 R14: ffff88817e400000 R15: 00007ffffffff000
 copy_to_user include/linux/uaccess.h:155 [inline]
 map_lookup_elem+0x66b/0xc50 kernel/bpf/syscall.c:751
 __do_sys_bpf kernel/bpf/syscall.c:2492 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2466 [inline]
 __x64_sys_bpf+0x318/0x520 kernel/bpf/syscall.c:2466
 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:00007f89b6b58c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000018 RSI: 0000000020000100 RDI: 0000000000000001
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89b6b596d4
R13: 00000000004bd9d2 R14: 00000000004ccae0 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..