BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 5f8b3067 P4D 5f8b3067 PUD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9030 Comm: syz.4.1149 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90003b5f618 EFLAGS: 00010246
RAX: 1ffffffff1628f87 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffffc90003b5f6c0 RSI: 0000000000000001 RDI: ffff8880257a6000
RBP: ffffc90003b5f730 R08: dffffc0000000000 R09: ffffed1004af4c08
R10: ffffed1004af4c08 R11: 1ffff11004af4c07 R12: ffffffff8b147c38
R13: dffffc0000000000 R14: ffff8880257a6000 R15: ffffe8ffffc467d8
FS:  00007f47d87436c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000079590000 CR4: 00000000003506f0
DR0: 0000040000000000 DR1: 000000000000064f DR2: 0000000000000006
DR3: 0000000000000006 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bond_xdp_xmit+0x282/0x420 drivers/net/bonding/bond_main.c:5228
 bq_xmit_all+0xa3e/0xdf0 kernel/bpf/devmap.c:391
 __dev_flush+0xbf/0x1b0 kernel/bpf/devmap.c:421
 xdp_do_flush+0xa/0x20 net/core/filter.c:3977
 tun_build_skb drivers/net/tun.c:1703 [inline]
 tun_get_user+0x2851/0x3740 drivers/net/tun.c:1797
 tun_chr_write_iter+0x112/0x1e0 drivers/net/tun.c:2019
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x712/0xd00 fs/read_write.c:594
 ksys_write+0x14d/0x250 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f47da8da41f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007f47d8743000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f47dab02fa0 RCX: 00007f47da8da41f
RDX: 0000000000000042 RSI: 0000200000000a40 RDI: 00000000000000c8
RBP: 00007f47da95dab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000042 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f47dab02fa0 R15: 00007ffe0e1415c8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 6d1ebc520a292b8b ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90003b5f618 EFLAGS: 00010246
RAX: 1ffffffff1628f87 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffffc90003b5f6c0 RSI: 0000000000000001 RDI: ffff8880257a6000
RBP: ffffc90003b5f730 R08: dffffc0000000000 R09: ffffed1004af4c08
R10: ffffed1004af4c08 R11: 1ffff11004af4c07 R12: ffffffff8b147c38
R13: dffffc0000000000 R14: ffff8880257a6000 R15: ffffe8ffffc467d8
FS:  00007f47d87436c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000079590000 CR4: 00000000003506f0
DR0: 0000040000000000 DR1: 000000000000064f DR2: 0000000000000006
DR3: 0000000000000006 DR6: 00000000fffe0ff0 DR7: 0000000000000400