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=000000011f17b000 [0000000000000000] pgd=0800000121bfd003, p4d=0800000121bfd003, pud=0800000120b19003, pmd=0000000000000000 Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 8586 Comm: syz.3.1534 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : 0x0 lr : bond_xdp_xmit+0x310/0x4f4 drivers/net/bonding/bond_main.c:5235 sp : ffff80001c827360 x29: ffff80001c8274a0 x28: 1ffff00003904e8a x27: 1ffff00003904e86 x26: dfff800000000000 x25: ffff0000d4858000 x24: ffff80001c827420 x23: ffff80001c827400 x22: ffff800012961e98 x21: fffffbffefed7000 x20: ffff0000c2700140 x19: 0000000000000000 x18: 0000000000000200 x17: 0000000000000002 x16: ffff8000082eb0b0 x15: 0000000000000001 x14: ffff0000dc4e3680 x13: 0000000000ff0100 x12: 0000000000040000 x11: 000000000000047a x10: ffff800021a4d000 x9 : 000000000000047b x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000001 x2 : ffff80001c827400 x1 : 0000000000000001 x0 : ffff0000d4858000 Call trace: 0x0 bq_xmit_all+0xcf4/0x111c kernel/bpf/devmap.c:388 __dev_flush+0xc8/0x1a0 kernel/bpf/devmap.c:418 xdp_do_flush+0x14/0x28 net/core/filter.c:3942 tun_build_skb drivers/net/tun.c:1703 [inline] tun_get_user+0x27d8/0x3774 drivers/net/tun.c:1797 tun_chr_write_iter+0xfc/0x20c 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+0x87c/0xb3c fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: bad PC value ---[ end trace de0c1d2aa2905ba9 ]---