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BUG: KMSAN: uninit-value in skb_gso_segment include/net/gso.h:83 [inline]
BUG: KMSAN: uninit-value in validate_xmit_skb+0xded/0x17b0 net/core/dev.c:3822
 skb_gso_segment include/net/gso.h:83 [inline]
 validate_xmit_skb+0xded/0x17b0 net/core/dev.c:3822
 validate_xmit_skb_list+0xf4/0x2f0 net/core/dev.c:3872
 sch_direct_xmit+0xd0/0xd40 net/sched/sch_generic.c:328
 __dev_xmit_skb net/core/dev.c:3974 [inline]
 __dev_queue_xmit+0x30b9/0x57d0 net/core/dev.c:4550
 dev_queue_xmit include/linux/netdevice.h:3305 [inline]
 packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3132 [inline]
 packet_sendmsg+0x93e0/0xa7e0 net/packet/af_packet.c:3164
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x30f/0x380 net/socket.c:728
 ____sys_sendmsg+0x877/0xb60 net/socket.c:2568
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2622
 __sys_sendmsg net/socket.c:2654 [inline]
 __do_sys_sendmsg net/socket.c:2659 [inline]
 __se_sys_sendmsg net/socket.c:2657 [inline]
 __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2657
 x64_sys_call+0x2ed6/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4121 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 __do_kmalloc_node mm/slub.c:4293 [inline]
 __kmalloc_node_track_caller_noprof+0x945/0x1240 mm/slub.c:4313
 kmalloc_reserve+0x23e/0x4a0 net/core/skbuff.c:609
 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678
 alloc_skb include/linux/skbuff.h:1331 [inline]
 alloc_skb_with_frags+0xc8/0xd00 net/core/skbuff.c:6612
 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2897
 packet_alloc_skb net/packet/af_packet.c:2981 [inline]
 packet_snd net/packet/af_packet.c:3075 [inline]
 packet_sendmsg+0x7722/0xa7e0 net/packet/af_packet.c:3164
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x30f/0x380 net/socket.c:728
 ____sys_sendmsg+0x877/0xb60 net/socket.c:2568
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2622
 __sys_sendmsg net/socket.c:2654 [inline]
 __do_sys_sendmsg net/socket.c:2659 [inline]
 __se_sys_sendmsg net/socket.c:2657 [inline]
 __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2657
 x64_sys_call+0x2ed6/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 5802 Comm: syz-executor405 Not tainted 6.13.0-syzkaller-09585-gb4b0881156fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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