===================================================== BUG: KMSAN: uninit-value in skb_dst_drop include/net/dst.h:274 [inline] BUG: KMSAN: uninit-value in skb_release_head_state+0xe3/0x3b0 net/core/skbuff.c:1172 skb_dst_drop include/net/dst.h:274 [inline] skb_release_head_state+0xe3/0x3b0 net/core/skbuff.c:1172 skb_release_all net/core/skbuff.c:1186 [inline] __kfree_skb+0x29/0x250 net/core/skbuff.c:1202 consume_skb+0xa8/0x2d0 net/core/skbuff.c:1426 usbnet_bh+0x76a/0x1190 usbnet_bh_tasklet+0x25/0x30 drivers/net/usb/usbnet.c:1589 tasklet_action_common+0x395/0xd50 kernel/softirq.c:785 tasklet_action+0x2d/0x40 kernel/softirq.c:811 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/softirq.c:455 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x2d/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] release_sock+0x219/0x250 net/core/sock.c:3567 l2tp_ip_sendmsg+0x1e1/0x18d0 net/l2tp/l2tp_ip.c:508 inet_sendmsg+0x25a/0x280 net/ipv4/af_inet.c:853 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x267/0x380 net/socket.c:745 ____sys_sendmsg+0x903/0xb60 net/socket.c:2597 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651 __sys_sendmmsg+0x3c4/0x950 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2763 x64_sys_call+0x369d/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:308 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 Uninit was created at: __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4706 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page mm/slub.c:2304 [inline] allocate_slab+0x20a/0x1550 mm/slub.c:2467 new_slab mm/slub.c:2520 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3706 __slab_alloc mm/slub.c:3796 [inline] __slab_alloc_node mm/slub.c:3849 [inline] slab_alloc_node mm/slub.c:4016 [inline] kmem_cache_alloc_node_noprof+0x5fd/0xb80 mm/slub.c:4071 __alloc_skb+0x1e9/0x7b0 net/core/skbuff.c:664 skb_copy+0x1a7/0xaf0 net/core/skbuff.c:2143 mac80211_hwsim_tx_frame_no_nl+0x18e1/0x2130 drivers/net/wireless/virtual/mac80211_hwsim.c:1866 mac80211_hwsim_tx_frame+0x2d8/0x380 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 __mac80211_hwsim_beacon_tx+0x540/0x600 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 mac80211_hwsim_beacon_tx+0x70e/0xc40 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x413/0x660 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x3c/0x50 net/mac80211/util.c:808 mac80211_hwsim_beacon+0x11c/0x300 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x564/0xe40 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x18f/0x750 kernel/time/hrtimer.c:1770 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 CPU: 0 PID: 7496 Comm: syz.2.719 Not tainted 6.10.0-syzkaller-10729-g3c3ff7be9729 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 =====================================================