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=000000012283f000 [0000000000000000] pgd=08000001109ed003, p4d=08000001109ed003, pud=080000012b157003, pmd=0000000000000000 Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 8236 Comm: syz.1.1263 Not tainted 6.1.103-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 : ffff80001e1a7360 x29: ffff80001e1a74c0 x28: 1ffff00003c34e8a x27: ffff0000d95d2000 x26: ffff0000d88b0140 x25: 1ffff00003c34e8e x24: ffff80001e1a7440 x23: ffff80001e1a7420 x22: dfff800000000000 x21: fffffbffeff51330 x20: ffff80001345aff8 x19: 0000000000000000 x18: 1ffff00003c34e84 x17: 0000000000000000 x16: ffff8000084f95f8 x15: 0000000000000002 x14: 0000000000000001 x13: ffff0000c2dbb780 x12: 0000000000040000 x11: 000000000000026e x10: ffff800027700000 x9 : ffff80000ca9ade0 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000001 x2 : ffff80001e1a7420 x1 : 0000000000000001 x0 : ffff0000d95d2000 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 ]---