Unable to handle kernel paging request at virtual address ffff80010c451000 KASAN: probably user-memory-access in range [0x0000000862288000-0x0000000862288007] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000206d55000 [ffff80010c451000] pgd=0000000000000000, p4d=100000020f59c003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 7878 Comm: syz.1.287 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __percpu_add_return_case_32 arch/arm64/include/asm/percpu.h:137 [inline] pc : bond_rr_gen_slave_id+0xbc/0x304 drivers/net/bonding/bond_main.c:4836 lr : bond_rr_gen_slave_id+0x5c/0x304 drivers/net/bonding/bond_main.c:4831 sp : ffff8000a4a974f0 x29: ffff8000a4a974f0 x28: 0000000000000007 x27: ffff700014952f4c x26: ffff0000dedbf000 x25: 1fffe0001bdb7e0b x24: ffff0000dedbf17e x23: dfff800000000000 x22: dfff800000000000 x21: 1fffe0001c4f1391 x20: ffff0000e2789c88 x19: ffff0000f5bb4eb0 x18: 0000000000000000 x17: ffff0001fea8d870 x16: ffff800082e5e68c x15: 0000000000000007 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff0000e2789c80 x10: ffff80009195f8e0 x9 : 0000000000000001 x8 : ffff80010c451000 x7 : 0000000400000003 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : ffff800098f6430c x1 : ffff80009195f8c0 x0 : 0000000000000001 Call trace: bond_rr_gen_slave_id+0xbc/0x304 drivers/net/bonding/bond_main.c:-1 (P) bond_xdp_xmit_roundrobin_slave_get drivers/net/bonding/bond_main.c:4923 [inline] bond_xdp_get_xmit_slave+0x41c/0x634 drivers/net/bonding/bond_main.c:5506 xdp_master_redirect+0x134/0x278 net/core/filter.c:4388 bpf_prog_run_xdp include/net/xdp.h:700 [inline] xdp_test_run_batch net/bpf/test_run.c:307 [inline] bpf_test_run_xdp_live+0x10d4/0x16a4 net/bpf/test_run.c:379 bpf_prog_test_run_xdp+0x5ac/0xdb0 net/bpf/test_run.c:1388 bpf_prog_test_run+0x2b4/0x33c kernel/bpf/syscall.c:4703 __sys_bpf+0x4d0/0x638 kernel/bpf/syscall.c:6182 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline] __se_sys_bpf kernel/bpf/syscall.c:6272 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:6272 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: f9400268 d538d089 8b080128 52800029 (b8290117) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f9400268 ldr x8, [x19] 4: d538d089 mrs x9, tpidr_el1 8: 8b080128 add x8, x9, x8 c: 52800029 mov w9, #0x1 // #1 * 10: b8290117 ldadd w9, w23, [x8] <-- trapping instruction