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BUG: KMSAN: uninit-value in __netif_receive_skb_core+0x4a4/0x6110 net/core/dev.c:5364
 __netif_receive_skb_core+0x4a4/0x6110 net/core/dev.c:5364
 __netif_receive_skb_list_core+0x31e/0x1420 net/core/dev.c:5610
 __netif_receive_skb_list net/core/dev.c:5677 [inline]
 netif_receive_skb_list_internal+0x106a/0x16f0 net/core/dev.c:5768
 netif_receive_skb_list+0x5a/0x460 net/core/dev.c:5820
 xdp_recv_frames net/bpf/test_run.c:276 [inline]
 xdp_test_run_batch net/bpf/test_run.c:354 [inline]
 bpf_test_run_xdp_live+0x29aa/0x2eb0 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xefd/0x1a30 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6af/0xac0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd60 kernel/bpf/syscall.c:5475
 __do_sys_bpf kernel/bpf/syscall.c:5561 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5559 [inline]
 __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5559
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Uninit was stored to memory at:
 __xdp_build_skb_from_frame+0x8d3/0x9e0 net/core/xdp.c:638
 xdp_recv_frames net/bpf/test_run.c:268 [inline]
 xdp_test_run_batch net/bpf/test_run.c:354 [inline]
 bpf_test_run_xdp_live+0x2581/0x2eb0 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xefd/0x1a30 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6af/0xac0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd60 kernel/bpf/syscall.c:5475
 __do_sys_bpf kernel/bpf/syscall.c:5561 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5559 [inline]
 __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5559
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Uninit was created at:
 __alloc_pages+0x9a6/0xe00 mm/page_alloc.c:4590
 __alloc_pages_bulk+0x195/0x2190 mm/page_alloc.c:4515
 alloc_pages_bulk_array_node include/linux/gfp.h:211 [inline]
 __page_pool_alloc_pages_slow+0x1ad/0xdb0 net/core/page_pool.c:473
 page_pool_alloc_pages+0x10b/0x1c0 net/core/page_pool.c:522
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:92 [inline]
 xdp_test_run_batch net/bpf/test_run.c:299 [inline]
 bpf_test_run_xdp_live+0x92e/0x2eb0 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xefd/0x1a30 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6af/0xac0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd60 kernel/bpf/syscall.c:5475
 __do_sys_bpf kernel/bpf/syscall.c:5561 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5559 [inline]
 __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5559
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

CPU: 1 PID: 6069 Comm: syz-executor.4 Not tainted 6.8.0-rc6-syzkaller-00250-g04b8076df253 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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