------------[ cut here ]------------ verifier bug: error during ctx access conversion (0)(1) WARNING: CPU: 0 PID: 5886 at kernel/bpf/verifier.c:21452 convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 Modules linked in: CPU: 0 UID: 0 PID: 5886 Comm: syz.0.721 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 lr : convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 sp : ffff800083ea39e0 x29: ffff800083ea39e0 x28: f4f0000011f90000 x27: 0000000000000002 x26: f1ff80008866d058 x25: 0000000000000000 x24: 0000000000000000 x23: ffff8000816c4744 x22: 0000000000000004 x21: 0000000000000002 x20: 0000000000000004 x19: ffff80008242a948 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 00000000000001a5 x13: 0000000000000000 x12: ffff800082911258 x11: 00000000000000c0 x10: ed3303a985b85455 x9 : ed1ba6434a8d4c16 x8 : faf0000008b3b6f8 x7 : 0000000000000004 x6 : 0000006be677d62d x5 : 0000000000000002 x4 : fbffff3fffffffff x3 : 000000000000ffff x2 : 0000000000000000 x1 : 0000000000000000 x0 : faf0000008b3a500 Call trace: convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 (P) bpf_check+0x12f8/0x2aac kernel/bpf/verifier.c:24743 bpf_prog_load+0x634/0xb74 kernel/bpf/syscall.c:2979 __sys_bpf+0x2e0/0x1a3c kernel/bpf/syscall.c:6029 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline] __se_sys_bpf kernel/bpf/syscall.c:6137 [inline] __arm64_sys_bpf+0x24/0x34 kernel/bpf/syscall.c:6137 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0x10c arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596 ---[ end trace 0000000000000000 ]---