BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 12825c067 P4D 12825c067 PUD 139133067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8788 Comm: syz-executor.1 Not tainted 6.1.78-syzkaller-00009-g25216be1ac5e #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:ffffc900036ef908 EFLAGS: 00010246 RAX: 1ffff110217b3117 RBX: ffff88810bd988b8 RCX: 0000000000040000 RDX: ffffc900011a9000 RSI: 0000000000029369 RDI: ffff888119eac540 RBP: ffffc900036ef930 R08: ffffffff841d8707 R09: ffff8881002a7e00 R10: 0000000000000010 R11: dffffc0000000001 R12: 0000000000000004 R13: dffffc0000000000 R14: ffff888119eac540 R15: dffffc0000000000 FS: 00007f4c0d7f76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000112336000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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