------------[ cut here ]------------ verifier bug: error during ctx access conversion (0)(1) WARNING: CPU: 0 PID: 3903 at kernel/bpf/verifier.c:21448 convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21448 Modules linked in: CPU: 0 UID: 0 PID: 3903 Comm: syz.0.164 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:21448 lr : convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21448 sp : ffff80008ed27520 x29: ffff80008ed27520 x28: ffff000024640000 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000002 x24: ffff000024640670 x23: ffff000024640000 x22: 0000000000000000 x21: dfff800000000000 x20: 1fffe000048c8001 x19: ffff80008556b2a0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff00006a08a4c4 x15: 00000000ffdade84 x14: 00000000000016f0 x13: 00000000000016f8 x12: ffff700011da4e0d x11: 1ffff00011da4e0c x10: ffff700011da4e0c x9 : dfff800000000000 x8 : ffff80008ed27068 x7 : ffff80008ed27190 x6 : ffff80008ed270e0 x5 : ffff80008ed270c8 x4 : 1ffff00011da4e22 x3 : 1fffe0000d41313e x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000015740000 Call trace: convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21448 (P) bpf_check+0x3c74/0x9508 kernel/bpf/verifier.c:24739 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: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1394/0x53f4 kernel/fork.c:2115 softirqs last enabled at (0): [] copy_process+0x13cc/0x53f4 kernel/fork.c:2119 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---