=====================================================
BUG: KMSAN: uninit-value in netif_skb_features+0xf9b/0x1330 net/core/dev.c:3570
 netif_skb_features+0xf9b/0x1330 net/core/dev.c:3570
 validate_xmit_skb+0x52/0x1d10 net/core/dev.c:3659
 __dev_queue_xmit+0x1847/0x31f0 net/core/dev.c:4248
 dev_queue_xmit+0x2b/0x30 include/linux/netdevice.h:3009
 packet_snd net/packet/af_packet.c:3073 [inline]
 packet_sendmsg+0x62a7/0x78e0 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2482
 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2536
 __sys_sendmsg+0x258/0x440 net/socket.c:2565
 __compat_sys_sendmsg net/compat.c:344 [inline]
 __do_compat_sys_sendmsg net/compat.c:351 [inline]
 __se_compat_sys_sendmsg net/compat.c:348 [inline]
 __ia32_compat_sys_sendmsg+0x99/0xe0 net/compat.c:348
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 slab_post_alloc_hook mm/slab.h:742 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 __kmem_cache_alloc_node+0x6ee/0xc90 mm/slub.c:3437
 __do_kmalloc_node mm/slab_common.c:954 [inline]
 __kmalloc_node_track_caller+0x117/0x3d0 mm/slab_common.c:975
 kmalloc_reserve net/core/skbuff.c:437 [inline]
 __alloc_skb+0x34a/0xca0 net/core/skbuff.c:509
 alloc_skb include/linux/skbuff.h:1267 [inline]
 alloc_skb_with_frags+0xb9/0xba0 net/core/skbuff.c:6124
 sock_alloc_send_pskb+0xaa8/0xc30 net/core/sock.c:2719
 packet_alloc_skb net/packet/af_packet.c:2921 [inline]
 packet_snd net/packet/af_packet.c:3016 [inline]
 packet_sendmsg+0x4cc5/0x78e0 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2482
 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2536
 __sys_sendmsg+0x258/0x440 net/socket.c:2565
 __compat_sys_sendmsg net/compat.c:344 [inline]
 __do_compat_sys_sendmsg net/compat.c:351 [inline]
 __se_compat_sys_sendmsg net/compat.c:348 [inline]
 __ia32_compat_sys_sendmsg+0x99/0xe0 net/compat.c:348
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

CPU: 1 PID: 4304 Comm: syz-executor.5 Not tainted 6.1.0-rc4-syzkaller-62821-gcb231e2f67ec #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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