------------[ cut here ]------------ verifier bug: error during ctx access conversion (0)(1) WARNING: CPU: 0 PID: 24473 at kernel/bpf/verifier.c:21452 convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452 Modules linked in: CPU: 0 UID: 0 PID: 24473 Comm: syz.4.5828 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452 lr : convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452 sp : ffff80008fb67520 x29: ffff80008fb67520 x28: ffff000025e40000 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000002 x24: ffff000025e40670 x23: ffff000025e40000 x22: 0000000000000000 x21: dfff800000000000 x20: 1fffe00004bc8001 x19: ffff80008557b480 x18: 0000000000000000 x17: ffff7fffe2fce000 x16: ffff00006a0884c4 x15: 0000000000000000 x14: 00000000000016f0 x13: 0000000000000000 x12: ffff600001dda001 x11: 1fffe00001dda000 x10: ffff600001dda000 x9 : dfff800000000000 x8 : ffff00000eed0003 x7 : 0000000000000001 x6 : ffff600001dda000 x5 : ffff00000eed0000 x4 : ffff600001dda001 x3 : 1fffe0000d412d3e x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00000e335ac0 Call trace: convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452 (P) bpf_check+0x3c74/0x9508 kernel/bpf/verifier.c:24743 bpf_prog_load+0xe2c/0x1b74 kernel/bpf/syscall.c:2979 __sys_bpf+0x9c4/0x29c8 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+0x70/0xa4 kernel/bpf/syscall.c:6137 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132 do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157 el0_svc_compat+0x4c/0x184 arch/arm64/kernel/entry-common.c:1029 el0t_32_sync_handler+0x88/0xac arch/arm64/kernel/entry-common.c:1047 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:601 irq event stamp: 744 hardirqs last enabled at (743): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (743): [] finish_lock_switch kernel/sched/core.c:5105 [inline] hardirqs last enabled at (743): [] finish_task_switch.isra.0+0x1a8/0x854 kernel/sched/core.c:5223 hardirqs last disabled at (744): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (612): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (612): [] handle_softirqs+0x88c/0xdb4 kernel/softirq.c:607 softirqs last disabled at (587): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---