WARNING: kernel stack frame pointer at ffff88813fd05fe8 in kworker/1:1:42 has bad value ffff888103513fe8 unwind stack type:0 next_sp:ffff888103513fd8 mask:0x4 graph_idx:0 ===================================================== BUG: KMSAN: uninit-value in unwind_dump+0x5a0/0x730 arch/x86/kernel/unwind_frame.c:60 unwind_dump+0x5a0/0x730 arch/x86/kernel/unwind_frame.c:60 unwind_next_frame+0x2d6/0x470 arch_stack_walk+0x1ec/0x2d0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xaa/0xe0 kernel/stacktrace.c:122 ref_tracker_free+0x103/0xec0 lib/ref_tracker.c:239 __netns_tracker_free include/net/net_namespace.h:348 [inline] put_net_track include/net/net_namespace.h:363 [inline] __sk_destruct+0x5aa/0xb70 net/core/sock.c:2204 sk_destruct net/core/sock.c:2223 [inline] __sk_free+0x6de/0x760 net/core/sock.c:2234 sk_free+0x70/0xc0 net/core/sock.c:2245 deferred_put_nlk_sk+0x243/0x270 net/netlink/af_netlink.c:744 rcu_do_batch kernel/rcu/tree.c:2196 [inline] rcu_core+0xa59/0x1e70 kernel/rcu/tree.c:2471 rcu_core_si+0x12/0x20 kernel/rcu/tree.c:2488 __do_softirq+0x1c0/0x7d7 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0x6a/0x130 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x83/0x90 arch/x86/kernel/apic/apic.c:1043 Local variable tx created at: ieee80211_get_buffered_bc+0x44/0x970 net/mac80211/tx.c:5886 mac80211_hwsim_beacon_tx+0x63b/0xb40 drivers/net/wireless/virtual/mac80211_hwsim.c:2303 CPU: 1 PID: 42 Comm: kworker/1:1 Not tainted 6.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: usb_hub_wq hub_event =====================================================