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: 1 PID: 11049 Comm: syz.0.1350 Not tainted 6.10.0-rc5-syzkaller-g8fcad59bb267 #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 : dev_map_enqueue+0x3c/0x38c kernel/bpf/devmap.c:539 lr : dev_map_enqueue+0x38/0x38c kernel/bpf/devmap.c:538 sp : ffff800098f47460 x29: ffff800098f47470 x28: dfff800000000000 x27: ffff0001b3d89460 x26: ffff0001b3d8946c x25: ffff0000e0db4070 x24: dfff800000000000 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0001b3d89448 x20: ffff0000e0db4070 x19: ffff0000ea524000 x18: ffff0001fea899d0 x17: 0000000000000000 x16: ffff80008075bc34 x15: 0000000000000007 x14: 0000000000000002 x13: 0000000000000019 x12: ffff0000e9e00000 x11: 0000000000040000 x10: 000000000000129f x9 : ffff80009a589000 x8 : 0000000000000000 x7 : 0000001000000004 x6 : ffff0000e0db4170 x5 : ffff0000e0db4038 x4 : ffff0000e0db4070 x3 : ffff8000991b9000 x2 : ffff0000ea524000 x1 : ffff0000e0db4070 x0 : 0000000000000000 Call trace: dev_map_enqueue+0x3c/0x38c kernel/bpf/devmap.c:539 __xdp_do_redirect_frame net/core/filter.c:4402 [inline] xdp_do_redirect_frame+0x2c8/0x568 net/core/filter.c:4456 xdp_test_run_batch net/bpf/test_run.c:336 [inline] bpf_test_run_xdp_live+0xb50/0x1900 net/bpf/test_run.c:384 bpf_prog_test_run_xdp+0x6a4/0xfbc net/bpf/test_run.c:1281 bpf_prog_test_run+0x2dc/0x364 kernel/bpf/syscall.c:4292 __sys_bpf+0x314/0x5f0 kernel/bpf/syscall.c:5706 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline] __se_sys_bpf kernel/bpf/syscall.c:5793 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5793 __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 97f7f673 d343fec8 (38786908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: aa0003f6 mov x22, x0 4: f2fbfff8 movk x24, #0xdfff, lsl #48 8: 97f7f673 bl 0xffffffffffdfd9d4 c: d343fec8 lsr x8, x22, #3 * 10: 38786908 ldrb w8, [x8, x24] <-- trapping instruction