===================================================== BUG: KMSAN: uninit-value in ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline] BUG: KMSAN: uninit-value in ieee802154_hdr_push+0x971/0xb90 net/ieee802154/header_ops.c:108 ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline] ieee802154_hdr_push+0x971/0xb90 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+0xd5a/0x15a0 net/ieee802154/socket.c:677 ieee802154_sock_sendmsg+0x96/0xd0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:726 __sys_sendto+0x594/0x750 net/socket.c:2197 __do_compat_sys_socketcall net/compat.c:475 [inline] __se_compat_sys_socketcall+0xceb/0x1a20 net/compat.c:423 __ia32_compat_sys_socketcall+0x6b/0xa0 net/compat.c:423 ia32_sys_call+0x3827/0x4180 arch/x86/include/generated/asm/syscalls_32.h:103 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e 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+0xd5a/0x15a0 net/ieee802154/socket.c:677 CPU: 0 UID: 0 PID: 19034 Comm: syz.6.5804 Not tainted 6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================