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BUG: KMSAN: uninit-value in ax25_release+0x748/0x10c0 net/ax25/af_ax25.c:1062
 ax25_release+0x748/0x10c0 net/ax25/af_ax25.c:1062
 __sock_release net/socket.c:659 [inline]
 sock_close+0xd6/0x2d0 net/socket.c:1421
 __fput+0x344/0x1160 fs/file_table.c:422
 ____fput+0x1e/0x30 fs/file_table.c:450
 task_work_run+0x268/0x310 kernel/task_work.c:222
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x170 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3994 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 __do_kmalloc_node mm/slub.c:4157 [inline]
 __kmalloc_node_track_caller_noprof+0x6c7/0xf90 mm/slub.c:4177
 kmemdup_noprof+0x48/0xc0 mm/util.c:133
 neigh_parms_alloc+0x8e/0x960 net/core/neighbour.c:1718
 ipv6_add_dev+0x482/0x1c20 net/ipv6/addrconf.c:399
 addrconf_notify+0x7c9/0x1c40 net/ipv6/addrconf.c:3653
 notifier_call_chain kernel/notifier.c:93 [inline]
 raw_notifier_call_chain+0xe8/0x440 kernel/notifier.c:461
 call_netdevice_notifiers_info+0x1be/0x2b0 net/core/dev.c:1994
 call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]
 call_netdevice_notifiers net/core/dev.c:2046 [inline]
 register_netdevice+0x2107/0x22d0 net/core/dev.c:10468
 cfg80211_register_netdevice+0x1b3/0x400 net/wireless/core.c:1442
 ieee80211_if_add+0x1b81/0x2340 net/mac80211/iface.c:2196
 ieee80211_register_hw+0x58ac/0x5c90 net/mac80211/main.c:1592
 mac80211_hwsim_new_radio+0x42bd/0x69e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5519
 hwsim_new_radio_nl+0x1707/0x3000 drivers/net/wireless/virtual/mac80211_hwsim.c:6203
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x1214/0x12c0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550
 genl_rcv+0x40/0x60 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x30f/0x380 net/socket.c:745
 __sys_sendto+0x685/0x830 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212
 x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45
 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: 0 UID: 0 PID: 13228 Comm: syz.2.2576 Tainted: G        W          6.10.0-syzkaller-12708-g2f8c4f506285 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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