BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 7ebe0067 P4D 7ebe0067 PUD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8537 Comm: syz.2.987 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004f7f658 EFLAGS: 00010246
RAX: 1ffffffff174d9a7 RBX: 1ffff920009efedc RCX: 0000000000000001
RDX: ffffc90004f7f700 RSI: 0000000000000001 RDI: ffff8880256ac000
RBP: ffffc90004f7f770 R08: ffff8880256ac03f R09: 1ffff11004ad5807
R10: dffffc0000000000 R11: ffffed1004ad5808 R12: ffffe8ffffc48728
R13: ffffffff8ba6cd38 R14: 0000000000000000 R15: ffff8880256ac000
FS:  00007f32fd12f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007a200000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bond_xdp_xmit+0x31e/0x550 drivers/net/bonding/bond_main.c:5675
 bq_xmit_all+0xca9/0x1120 kernel/bpf/devmap.c:392
 __dev_flush+0xbf/0x1b0 kernel/bpf/devmap.c:422
 xdp_do_flush+0xa/0x20 net/core/filter.c:4275
 tun_build_skb drivers/net/tun.c:1723 [inline]
 tun_get_user+0x2d6c/0x3c20 drivers/net/tun.c:1818
 tun_chr_write_iter+0x112/0x1f0 drivers/net/tun.c:2044
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f32fc15e6ce
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f32fd12efb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f32fd12f6c0 RCX: 00007f32fc15e6ce
RDX: 000000000000000e RSI: 0000200000000900 RDI: 00000000000000c8
RBP: 00007f32fc233eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f32fc426038 R14: 00007f32fc425fa0 R15: 00007fffb0df43a8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004f7f658 EFLAGS: 00010246
RAX: 1ffffffff174d9a7 RBX: 1ffff920009efedc RCX: 0000000000000001
RDX: ffffc90004f7f700 RSI: 0000000000000001 RDI: ffff8880256ac000
RBP: ffffc90004f7f770 R08: ffff8880256ac03f R09: 1ffff11004ad5807
R10: dffffc0000000000 R11: ffffed1004ad5808 R12: ffffe8ffffc48728
R13: ffffffff8ba6cd38 R14: 0000000000000000 R15: ffff8880256ac000
FS:  00007f32fd12f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007a200000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400