general protection fault, probably for non-canonical address 0xdffffc0000000081: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000408-0x000000000000040f]
CPU: 3 PID: 25323 Comm: syz-executor.3 Not tainted 5.6.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:page_to_nid include/linux/mm.h:1245 [inline]
RIP: 0010:lookup_node mm/mempolicy.c:906 [inline]
RIP: 0010:do_get_mempolicy mm/mempolicy.c:970 [inline]
RIP: 0010:kernel_get_mempolicy+0x604/0xfb0 mm/mempolicy.c:1615
Code: 89 c7 e8 3f 0a c5 ff 85 db 0f 88 00 07 00 00 e8 c2 08 c5 ff 4c 8b 7c 24 78 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 08 00 00 49 8b 1f 48 c7 c7 ff ff ff ff 48 89
RSP: 0018:ffffc90006187d58 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9002ac02000
RDX: 0000000000000081 RSI: ffffffff81adf38e RDI: 0000000000000005
RBP: 0000000000000003 R08: ffff888029f34e80 R09: ffffed10053e69d1
R10: ffff888029f34e87 R11: ffffed10053e69d0 R12: 0000000000000000
R13: 1ffff92000c30fb2 R14: ffffffff89a6e200 R15: 000000000000040d
FS:  0000000000000000(0000) GS:ffff88802d100000(0063) knlGS:00000000f5d12b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000008560004 CR3: 00000000708eb000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_compat_sys_get_mempolicy mm/mempolicy.c:1654 [inline]
 __se_compat_sys_get_mempolicy mm/mempolicy.c:1638 [inline]
 __ia32_compat_sys_get_mempolicy+0x27c/0x2d0 mm/mempolicy.c:1638
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Modules linked in:
---[ end trace 19a89ad6213a4c67 ]---
RIP: 0010:page_to_nid include/linux/mm.h:1245 [inline]
RIP: 0010:lookup_node mm/mempolicy.c:906 [inline]
RIP: 0010:do_get_mempolicy mm/mempolicy.c:970 [inline]
RIP: 0010:kernel_get_mempolicy+0x604/0xfb0 mm/mempolicy.c:1615
Code: 89 c7 e8 3f 0a c5 ff 85 db 0f 88 00 07 00 00 e8 c2 08 c5 ff 4c 8b 7c 24 78 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 08 00 00 49 8b 1f 48 c7 c7 ff ff ff ff 48 89
RSP: 0018:ffffc90006187d58 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9002ac02000
RDX: 0000000000000081 RSI: ffffffff81adf38e RDI: 0000000000000005
RBP: 0000000000000003 R08: ffff888029f34e80 R09: ffffed10053e69d1
R10: ffff888029f34e87 R11: ffffed10053e69d0 R12: 0000000000000000
R13: 1ffff92000c30fb2 R14: ffffffff89a6e200 R15: 000000000000040d
FS:  0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f5d12b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f6c251323a0 CR3: 00000000708eb000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400