Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000011d00f000
[0000000000000000] pgd=080000011fc61003, p4d=080000011fc61003, pud=080000010cb47003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5571 Comm: syz.3.387 Not tainted 6.1.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : bond_xdp_xmit+0x34c/0x588 drivers/net/bonding/bond_main.c:5543
sp : ffff800020247360
x29: ffff8000202474c0 x28: 1ffff00004048e8a x27: ffff0000f3d80000
x26: ffff0000ef688140 x25: 1ffff00004048e8e x24: ffff800020247440
x23: ffff800020247420 x22: dfff800000000000 x21: fffffbffefed91b0
x20: ffff8000136a52b8 x19: 0000000000000000 x18: 1ffff00004048e84
x17: 0000000000000000 x16: ffff8000084f95f8 x15: 0000000000000002
x14: 0000000000000001 x13: ffff0000c6f6b780 x12: 0000000000040000
x11: 00000000000008a1 x10: ffff80002cf1e000 x9 : ffff80000ca9ade0
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000001
x2 : ffff800020247420 x1 : 0000000000000001 x0 : ffff0000f3d80000
Call trace:
 0x0
 bq_xmit_all+0xb48/0xffc kernel/bpf/devmap.c:389
 __dev_flush+0xc8/0x1a0 kernel/bpf/devmap.c:419
 xdp_do_flush+0x14/0x28 net/core/filter.c:4182
 tun_build_skb drivers/net/tun.c:1723 [inline]
 tun_get_user+0x2858/0x386c drivers/net/tun.c:1818
 tun_chr_write_iter+0xfc/0x204 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+0x610/0x91c fs/read_write.c:584
 ksys_write+0x15c/0x26c fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: bad PC value
---[ end trace 0000000000000000 ]---