------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in ./kernel/bpf/devmap.c:385:28 index 16 is out of range for type 'struct xdp_frame *[16]' CPU: 0 UID: 0 PID: 6661 Comm: syz.2.210 Not tainted 6.10.0-next-20240726-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429 bq_xmit_all+0x157/0x11d0 kernel/bpf/devmap.c:385 __dev_flush+0x81/0x160 kernel/bpf/devmap.c:425 xdp_do_check_flushed+0x129/0x240 net/core/filter.c:4307 __napi_poll+0xe4/0x490 net/core/dev.c:6774 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 spin_unlock_bh include/linux/spinlock.h:396 [inline] bpf_prog_alloc_id+0xa7/0x100 kernel/bpf/syscall.c:2213 bpf_prog_load+0x172a/0x20f0 kernel/bpf/syscall.c:2916 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5710 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fea44d77299 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fea45bae048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fea44f05f80 RCX: 00007fea44d77299 RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007fea44de48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea44f05f80 R15: 00007ffe0ef34b88 ---[ end trace ]---