BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 200e6067 P4D 200e6067 PUD 2c906067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 PID: 2209 Comm: syz-executor.1 Not tainted 6.8.0-rc4-syzkaller-00003-g716f4aaa7b48 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000363f988 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888011b4a800 RCX: ffffffff88befdb2
RDX: 1ffff1100650825c RSI: ffffffff88befdbc RDI: ffff888011b4a800
RBP: 0000000000000004 R08: 0000000000000007 R09: 0000000000000000
R10: ffff888032841000 R11: 0000000000000000 R12: ffff888032841000
R13: ffff888011b4ae58 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f428b4fc6c0(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000014a86000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sk_psock_verdict_data_ready net/core/skmsg.c:1230 [inline]
 sk_psock_verdict_data_ready+0x20c/0x3d0 net/core/skmsg.c:1210
 unix_stream_sendmsg+0x61e/0x10b0 net/unix/af_unix.c:2291
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0xab5/0xc90 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2638
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f428a87dda9
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:00007f428b4fc0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f428a9ac120 RCX: 00007f428a87dda9
RDX: 0000000000000003 RSI: 0000000020000980 RDI: 0000000000000003
RBP: 00007f428a8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f428a9ac120 R15: 00007ffc4accc798
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000363f988 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888011b4a800 RCX: ffffffff88befdb2
RDX: 1ffff1100650825c RSI: ffffffff88befdbc RDI: ffff888011b4a800
RBP: 0000000000000004 R08: 0000000000000007 R09: 0000000000000000
R10: ffff888032841000 R11: 0000000000000000 R12: ffff888032841000
R13: ffff888011b4ae58 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f428b4fc6c0(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000014a86000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400