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BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255
 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255
 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344
 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:269 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
 __netif_receive_skb_one_core net/core/dev.c:5661 [inline]
 __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775
 process_backlog+0x4ad/0xa50 net/core/dev.c:6108
 __napi_poll+0xe7/0x980 net/core/dev.c:6772
 napi_poll net/core/dev.c:6841 [inline]
 net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963
 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554
 __do_softirq+0x14/0x1a kernel/softirq.c:588
 do_softirq+0x9a/0x100 kernel/softirq.c:455
 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]
 __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450
 dev_queue_xmit include/linux/netdevice.h:3105 [inline]
 neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565
 neigh_output include/net/neighbour.h:542 [inline]
 ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141
 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]
 ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247
 dst_output include/net/dst.h:450 [inline]
 NF_HOOK include/linux/netfilter.h:314 [inline]
 ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366
 inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135
 __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466
 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]
 tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143
 tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333
 mptcp_connect+0xa7c/0x1540 net/mptcp/protocol.c:3776
 __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679
 inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750
 __sys_connect_file net/socket.c:2061 [inline]
 __sys_connect+0x606/0x690 net/socket.c:2078
 __do_sys_connect net/socket.c:2088 [inline]
 __se_sys_connect net/socket.c:2085 [inline]
 __x64_sys_connect+0x91/0xe0 net/socket.c:2085
 x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43
 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 stored to memory at:
 nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249
 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344
 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:269 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
 __netif_receive_skb_one_core net/core/dev.c:5661 [inline]
 __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775
 process_backlog+0x4ad/0xa50 net/core/dev.c:6108
 __napi_poll+0xe7/0x980 net/core/dev.c:6772
 napi_poll net/core/dev.c:6841 [inline]
 net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963
 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554
 __do_softirq+0x14/0x1a kernel/softirq.c:588

Uninit was stored to memory at:
 nf_reject_ip6_tcphdr_put+0x2ca/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:231
 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344
 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:269 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
 __netif_receive_skb_one_core net/core/dev.c:5661 [inline]
 __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775
 process_backlog+0x4ad/0xa50 net/core/dev.c:6108
 __napi_poll+0xe7/0x980 net/core/dev.c:6772
 napi_poll net/core/dev.c:6841 [inline]
 net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963
 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554
 __do_softirq+0x14/0x1a kernel/softirq.c:588

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3998 [inline]
 slab_alloc_node mm/slub.c:4041 [inline]
 kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4084
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583
 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674
 alloc_skb include/linux/skbuff.h:1320 [inline]
 nf_send_reset6+0x98d/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:327
 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:269 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
 __netif_receive_skb_one_core net/core/dev.c:5661 [inline]
 __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775
 process_backlog+0x4ad/0xa50 net/core/dev.c:6108
 __napi_poll+0xe7/0x980 net/core/dev.c:6772
 napi_poll net/core/dev.c:6841 [inline]
 net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963
 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554
 __do_softirq+0x14/0x1a kernel/softirq.c:588

CPU: 0 UID: 0 PID: 10611 Comm: syz.1.1999 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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