------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in kernel/bpf/core.c:2339:29 index 16 is out of range for type ' *[16]' CPU: 0 PID: 2789 Comm: syz-executor.0 Not tainted 6.8.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x3d/0x70 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0xcb/0x100 lib/ubsan.c:347 bpf_prog_select_func kernel/bpf/core.c:2339 [inline] bpf_prog_select_runtime+0x17c/0x190 kernel/bpf/core.c:2370 bpf_prog_load+0x729/0xcb0 kernel/bpf/syscall.c:2847 __sys_bpf+0x57e/0x2770 kernel/bpf/syscall.c:5573 __do_sys_bpf kernel/bpf/syscall.c:5680 [inline] __se_sys_bpf kernel/bpf/syscall.c:5678 [inline] __x64_sys_bpf+0x19/0x30 kernel/bpf/syscall.c:5678 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x73/0x1b0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f7989e1cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f798999e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7989f4af80 RCX: 00007f7989e1cda9 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00007f7989e6947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7989f4af80 R15: 00007ffffeb97bf8 ---[ end trace ]---