===================================================== BUG: KMSAN: uninit-value in ieee80211_amsdu_to_8023s+0x8c1/0x2d40 net/wireless/util.c:856 ieee80211_amsdu_to_8023s+0x8c1/0x2d40 net/wireless/util.c:856 __ieee80211_rx_h_amsdu+0x91a/0x13b0 net/mac80211/rx.c:3047 ieee80211_rx_h_amsdu net/mac80211/rx.c:3133 [inline] ieee80211_rx_handlers+0x571a/0x10c40 net/mac80211/rx.c:4141 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4185 [inline] ieee80211_prepare_and_rx_handle+0x5640/0x9690 net/mac80211/rx.c:5033 __ieee80211_rx_handle_packet net/mac80211/rx.c:5239 [inline] ieee80211_rx_list+0x642c/0x65d0 net/mac80211/rx.c:5410 ieee80211_rx_napi+0x84/0x3e0 net/mac80211/rx.c:5433 ieee80211_rx include/net/mac80211.h:4983 [inline] ieee80211_tasklet_handler+0x19f/0x330 net/mac80211/main.c:318 tasklet_action_common+0x391/0xd30 kernel/softirq.c:780 tasklet_action+0x26/0x30 kernel/softirq.c:805 __do_softirq+0x1b7/0x7c5 kernel/softirq.c:553 do_softirq+0x9a/0xf0 kernel/softirq.c:454 __local_bh_enable_ip+0x9b/0xa0 kernel/softirq.c:381 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:820 [inline] __dev_queue_xmit+0x2768/0x51c0 net/core/dev.c:4378 dev_queue_xmit include/linux/netdevice.h:3171 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap+0x84f/0xc90 net/netlink/af_netlink.c:325 netlink_deliver_tap net/netlink/af_netlink.c:338 [inline] __netlink_sendskb net/netlink/af_netlink.c:1285 [inline] netlink_sendskb+0x232/0x260 net/netlink/af_netlink.c:1294 netlink_unicast+0x70e/0x1250 net/netlink/af_netlink.c:1382 nlmsg_unicast include/net/netlink.h:1144 [inline] netlink_ack+0x1954/0x1a70 net/netlink/af_netlink.c:2505 netlink_rcv_skb+0x50a/0x650 net/netlink/af_netlink.c:2549 genl_rcv+0x40/0x60 net/netlink/genetlink.c:1217 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0xf49/0x1250 net/netlink/af_netlink.c:1367 netlink_sendmsg+0x1238/0x13d0 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x735/0xa10 net/socket.c:2191 __do_compat_sys_socketcall net/compat.c:475 [inline] __se_compat_sys_socketcall+0xcea/0x1a10 net/compat.c:423 __ia32_compat_sys_socketcall+0x6b/0xa0 net/compat.c:423 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb5/0x110 arch/x86/entry/common.c:321 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Local variable hdr created at: ieee80211_amsdu_to_8023s+0x5b/0x2d40 net/wireless/util.c:832 __ieee80211_rx_h_amsdu+0x91a/0x13b0 net/mac80211/rx.c:3047 CPU: 0 PID: 5570 Comm: syz-executor.4 Not tainted 6.8.0-rc5-syzkaller-00029-g39133352cbed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 =====================================================