Unable to handle kernel paging request at virtual address dfff800000000000 KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] 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 [dfff800000000000] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 9212 Comm: syz-executor.2 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dev_map_enqueue+0x3c/0x38c kernel/bpf/devmap.c:539 lr : dev_map_enqueue+0x38/0x38c kernel/bpf/devmap.c:538 sp : ffff800097da7470 x29: ffff800097da7480 x28: dfff800000000000 x27: ffff0001b3de1110 x26: 0000000000000000 x25: ffff0000da6d8070 x24: dfff800000000000 x23: 000000000000000e x22: 0000000000000000 x21: ffff0001b3de1100 x20: ffff0000da6d8070 x19: ffff0000eef58000 x18: 0000000000000000 x17: 0000000000042fe4 x16: ffff800080752dd0 x15: 0000000000000007 x14: 0000000000000002 x13: 0000000000000019 x12: ffff0000d490bc80 x11: 0000000000040000 x10: 000000000000800c x9 : ffff80009b54b000 x8 : 0000000000000000 x7 : 0000000000000004 x6 : ffff0000da6d8170 x5 : ffff0000da6d8038 x4 : ffff0000da6d8070 x3 : ffff80009bfed000 x2 : ffff0000eef58000 x1 : ffff0000da6d8070 x0 : 0000000000000000 Call trace: dev_map_enqueue+0x3c/0x38c kernel/bpf/devmap.c:539 __xdp_do_redirect_frame net/core/filter.c:4384 [inline] xdp_do_redirect_frame+0x268/0x44c net/core/filter.c:4438 xdp_test_run_batch net/bpf/test_run.c:336 [inline] bpf_test_run_xdp_live+0xb70/0x1924 net/bpf/test_run.c:384 bpf_prog_test_run_xdp+0x6a8/0xfc0 net/bpf/test_run.c:1267 bpf_prog_test_run+0x2dc/0x364 kernel/bpf/syscall.c:4269 __sys_bpf+0x314/0x5f0 kernel/bpf/syscall.c:5678 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline] __se_sys_bpf kernel/bpf/syscall.c:5765 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5765 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: aa0003f6 f2fbfff8 97f80540 d343fec8 (38786908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: aa0003f6 mov x22, x0 4: f2fbfff8 movk x24, #0xdfff, lsl #48 8: 97f80540 bl 0xffffffffffe01508 c: d343fec8 lsr x8, x22, #3 * 10: 38786908 ldrb w8, [x8, x24] <-- trapping instruction