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BUG: KMSAN: uninit-value in __netif_receive_skb_core+0x4a4/0x61b0 net/core/dev.c:5364
 __netif_receive_skb_core+0x4a4/0x61b0 net/core/dev.c:5364
 __netif_receive_skb_list_core+0x31e/0x1670 net/core/dev.c:5610
 __netif_receive_skb_list net/core/dev.c:5677 [inline]
 netif_receive_skb_list_internal+0x106c/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+0x2a56/0x2f70 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xf02/0x1a40 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd70 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_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Uninit was stored to memory at:
 __xdp_build_skb_from_frame+0x8d7/0x9e0 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+0x262a/0x2f70 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xf02/0x1a40 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd70 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_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Uninit was created at:
 __alloc_pages+0x9a7/0xe00 mm/page_alloc.c:4592
 __alloc_pages_bulk+0x19e/0x21e0 mm/page_alloc.c:4517
 alloc_pages_bulk_array_node include/linux/gfp.h:211 [inline]
 __page_pool_alloc_pages_slow+0x1ad/0xdc0 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+0x937/0x2f70 net/bpf/test_run.c:382
 bpf_prog_test_run_xdp+0xf02/0x1a40 net/bpf/test_run.c:1265
 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4107
 __sys_bpf+0x649/0xd70 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_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

CPU: 1 PID: 5239 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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