BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 129d79067 P4D 129d79067 PUD 11f24b067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 621 Comm: syz-executor.1 Not tainted 6.1.78-syzkaller-00003-gdda68b1657b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90001227908 EFLAGS: 00010246
RAX: 1ffff110237ec217 RBX: ffff88811bf610b8 RCX: 0000000000040000
RDX: ffffc90002633000 RSI: 00000000000000cb RDI: ffff88811bf54540
RBP: ffffc90001227930 R08: ffffffff841d7d87 R09: ffffed10237ea8b5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: ffff88811bf54540 R15: dffffc0000000000
FS:  00007fb2d8e5a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000012a517000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sk_psock_verdict_data_ready+0x129/0x160 net/core/skmsg.c:1219
 unix_stream_sendmsg+0x8fd/0x1070 net/unix/af_unix.c:2243
 sock_sendmsg_nosec net/socket.c:716 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 ____sys_sendmsg+0x5d3/0x9a0 net/socket.c:2504
 ___sys_sendmsg net/socket.c:2558 [inline]
 __sys_sendmsg+0x2a9/0x390 net/socket.c:2587
 __do_sys_sendmsg net/socket.c:2596 [inline]
 __se_sys_sendmsg net/socket.c:2594 [inline]
 __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2594
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb2d807cea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb2d8e5a0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb2d81b4050 RCX: 00007fb2d807cea9
RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004
RBP: 00007fb2d80ebff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fb2d81b4050 R15: 00007ffce7dcdfb8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90001227908 EFLAGS: 00010246
RAX: 1ffff110237ec217 RBX: ffff88811bf610b8 RCX: 0000000000040000
RDX: ffffc90002633000 RSI: 00000000000000cb RDI: ffff88811bf54540
RBP: ffffc90001227930 R08: ffffffff841d7d87 R09: ffffed10237ea8b5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: ffff88811bf54540 R15: dffffc0000000000
FS:  00007fb2d8e5a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000012a517000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400