BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 7a689067 P4D 7a689067 PUD 7ddf8067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13661 Comm: syz-executor.2 Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc9000b64f878 EFLAGS: 00010246
RAX: 1ffffffff14f0ae8 RBX: ffff888019e1a400 RCX: dffffc0000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff888019e1a400
RBP: ffffc9000b64fee8 R08: dffffc0000000000 R09: fffffbfff1ff3ddd
R10: fffffbfff1ff3ddd R11: 0000000000000000 R12: ffff888079e27b80
R13: ffff888079e27b81 R14: ffffffff8a785740 R15: 1ffff110033c3480
FS:  00007f9675a82700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007272e000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 map_get_next_key kernel/bpf/syscall.c:1292 [inline]
 __sys_bpf+0x8825/0x12d90 kernel/bpf/syscall.c:4627
 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4735
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f967710ce99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9675a82168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f967721ff60 RCX: 00007f967710ce99
RDX: 0000000000000020 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00007f9677166ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb4f4b80f R14: 00007f9675a82300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 61dd9d419253cd93 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc9000b64f878 EFLAGS: 00010246
RAX: 1ffffffff14f0ae8 RBX: ffff888019e1a400 RCX: dffffc0000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff888019e1a400
RBP: ffffc9000b64fee8 R08: dffffc0000000000 R09: fffffbfff1ff3ddd
R10: fffffbfff1ff3ddd R11: 0000000000000000 R12: ffff888079e27b80
R13: ffff888079e27b81 R14: ffffffff8a785740 R15: 1ffff110033c3480
FS:  00007f9675a82700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007272e000 CR4: 00000000003506f0