===================================================== 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+0x9c0/0xc00 net/mac802154/iface.c:396 wpan_dev_hard_header include/net/cfg802154.h:525 [inline] dgram_sendmsg+0xd1e/0x1500 net/ieee802154/socket.c:677 ieee802154_sock_sendmsg+0x96/0xd0 net/ieee802154/socket.c:96 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 ____sys_sendmsg+0x877/0xb60 net/socket.c:2597 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651 __sys_sendmsg net/socket.c:2680 [inline] __do_sys_sendmsg net/socket.c:2689 [inline] __se_sys_sendmsg net/socket.c:2687 [inline] __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687 x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47 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 Local variable hdr created at: ieee802154_header_create+0x4e/0xc00 net/mac802154/iface.c:360 wpan_dev_hard_header include/net/cfg802154.h:525 [inline] dgram_sendmsg+0xd1e/0x1500 net/ieee802154/socket.c:677 CPU: 1 UID: 0 PID: 5473 Comm: syz-executor.0 Not tainted 6.10.0-syzkaller-12030-g66ebbdfdeb09 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 =====================================================