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BUG: KMSAN: uninit-value in ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline]
BUG: KMSAN: uninit-value in ieee802154_hdr_push+0xd6b/0xe80 net/ieee802154/header_ops.c:108
 ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline]
 ieee802154_hdr_push+0xd6b/0xe80 net/ieee802154/header_ops.c:108
 ieee802154_header_create+0x9bc/0xc70 net/mac802154/iface.c:396
 wpan_dev_hard_header include/net/cfg802154.h:525 [inline]
 dgram_sendmsg+0xd91/0x15e0 net/ieee802154/socket.c:677
 ieee802154_sock_sendmsg+0x96/0xd0 net/ieee802154/socket.c:96
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x30f/0x380 net/socket.c:727
 ____sys_sendmsg+0x890/0xda0 net/socket.c:2566
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2655
 x64_sys_call+0x2e0f/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable hdr created at:
 ieee802154_header_create+0x4e/0xc70 net/mac802154/iface.c:360
 wpan_dev_hard_header include/net/cfg802154.h:525 [inline]
 dgram_sendmsg+0xd91/0x15e0 net/ieee802154/socket.c:677

CPU: 0 UID: 0 PID: 12955 Comm: syz.3.1673 Tainted: G        W           6.15.0-rc1-syzkaller #0 PREEMPT(undef) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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