syzbot

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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+0xd8c/0xe00 net/ieee802154/header_ops.c:108
 ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline]
 ieee802154_hdr_push+0xd8c/0xe00 net/ieee802154/header_ops.c:108
 ieee802154_header_create+0xddd/0x1150 net/mac802154/iface.c:403
 wpan_dev_hard_header include/net/cfg802154.h:384 [inline]
 dgram_sendmsg+0xea2/0x1660 net/ieee802154/socket.c:669
 ieee802154_sock_sendmsg+0xec/0x130 net/ieee802154/socket.c:96
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg net/socket.c:725 [inline]
 ____sys_sendmsg+0xe11/0x12c0 net/socket.c:2413
 ___sys_sendmsg net/socket.c:2467 [inline]
 __sys_sendmsg+0x704/0x840 net/socket.c:2496
 __compat_sys_sendmsg net/compat.c:347 [inline]
 __do_compat_sys_sendmsg net/compat.c:354 [inline]
 __se_compat_sys_sendmsg net/compat.c:351 [inline]
 __ia32_compat_sys_sendmsg+0xed/0x130 net/compat.c:351
 do_syscall_32_irqs_on arch/x86/entry/common.c:113 [inline]
 __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:179
 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:204
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:247
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c

Local variable hdr created at:
 ieee802154_header_create+0xc8/0x1150 net/mac802154/iface.c:367
 wpan_dev_hard_header include/net/cfg802154.h:384 [inline]
 dgram_sendmsg+0xea2/0x1660 net/ieee802154/socket.c:669

CPU: 0 PID: 8603 Comm: syz-executor.0 Not tainted 5.18.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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