BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 798a2067 P4D 798a2067 PUD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22847 Comm: syz.1.4906 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004127458 EFLAGS: 00010246 RAX: 1ffffffff162b07f RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffffc90004127500 RSI: 0000000000000001 RDI: ffff888024f88000 RBP: ffffc90004127570 R08: dffffc0000000000 R09: ffffed10049f1008 R10: ffffed10049f1008 R11: 1ffff110049f1007 R12: ffffe8ffffc4d7f0 R13: ffffffff8b1583f8 R14: 0000000000000000 R15: ffff888024f88000 FS: 00007fd4c59786c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000058220000 CR4: 00000000003506f0 DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300 DR3: 0000200000000300 DR6: 00000000ffff0fff DR7: 0000000000000600 Call Trace: bond_xdp_xmit+0x309/0x520 drivers/net/bonding/bond_main.c:5589 bq_xmit_all+0xc99/0x10d0 kernel/bpf/devmap.c:392 __dev_flush+0xbf/0x1b0 kernel/bpf/devmap.c:422 xdp_do_flush+0xa/0x20 net/core/filter.c:4218 xdp_test_run_batch net/bpf/test_run.c:332 [inline] bpf_test_run_xdp_live+0x1466/0x1970 net/bpf/test_run.c:362 bpf_prog_test_run_xdp+0x6f1/0xe50 net/bpf/test_run.c:1390 bpf_prog_test_run+0x31e/0x390 kernel/bpf/syscall.c:3692 __sys_bpf+0x593/0x6d0 kernel/bpf/syscall.c:5045 __do_sys_bpf kernel/bpf/syscall.c:5131 [inline] __se_sys_bpf kernel/bpf/syscall.c:5129 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5129 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd4c4b8eba9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd4c5978038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd4c4dd6090 RCX: 00007fd4c4b8eba9 RDX: 0000000000000050 RSI: 0000200000000280 RDI: 000000000000000a RBP: 00007fd4c4c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd4c4dd6128 R14: 00007fd4c4dd6090 R15: 00007ffd2282ae28 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004127458 EFLAGS: 00010246 RAX: 1ffffffff162b07f RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffffc90004127500 RSI: 0000000000000001 RDI: ffff888024f88000 RBP: ffffc90004127570 R08: dffffc0000000000 R09: ffffed10049f1008 R10: ffffed10049f1008 R11: 1ffff110049f1007 R12: ffffe8ffffc4d7f0 R13: ffffffff8b1583f8 R14: 0000000000000000 R15: ffff888024f88000 FS: 00007fd4c59786c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000058220000 CR4: 00000000003506f0 DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300 DR3: 0000200000000300 DR6: 00000000ffff0fff DR7: 0000000000000600