===================================================== BUG: KMSAN: uninit-value in ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227 ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227 ath9k_htc_rx_msg+0x5a5/0xac0 drivers/net/wireless/ath/ath9k/htc_hst.c:479 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:653 [inline] ath9k_hif_usb_rx_cb+0x1a9e/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474 expire_timers+0x272/0x610 kernel/time/timer.c:1519 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571 invoke_softirq+0x8f/0x100 kernel/softirq.c:445 __irq_exit_rcu+0x5a/0x110 kernel/softirq.c:650 irq_exit_rcu+0xe/0x10 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 stack_trace_consume_entry+0x119/0x1e0 arch_stack_walk+0x195/0x280 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0xb2/0x100 kernel/stacktrace.c:122 kmsan_save_stack_with_flags mm/kmsan/core.c:73 [inline] kmsan_internal_poison_memory+0x45/0x90 mm/kmsan/core.c:58 kmsan_slab_alloc+0xd9/0x150 mm/kmsan/hooks.c:68 slab_post_alloc_hook mm/slab.h:732 [inline] slab_alloc_node mm/slub.c:3258 [inline] slab_alloc mm/slub.c:3266 [inline] __kmem_cache_alloc_lru mm/slub.c:3273 [inline] kmem_cache_alloc+0x6cd/0xe70 mm/slub.c:3283 anon_vma_chain_alloc mm/rmap.c:141 [inline] anon_vma_clone+0xfd/0xb30 mm/rmap.c:287 anon_vma_fork+0x98/0xa00 mm/rmap.c:350 dup_mmap+0xe28/0x1ec0 kernel/fork.c:659 dup_mm+0x158/0x680 kernel/fork.c:1527 copy_mm+0x141/0x2b0 kernel/fork.c:1579 copy_process+0x2afb/0x69f0 kernel/fork.c:2259 kernel_clone+0x42f/0x1120 kernel/fork.c:2676 __do_sys_clone3 kernel/fork.c:2968 [inline] __se_sys_clone3 kernel/fork.c:2952 [inline] __x64_sys_clone3+0x61b/0x660 kernel/fork.c:2952 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Uninit was created at: slab_post_alloc_hook mm/slab.h:732 [inline] slab_alloc_node mm/slub.c:3258 [inline] __kmalloc_node_track_caller+0x814/0x1250 mm/slub.c:4970 kmalloc_reserve net/core/skbuff.c:362 [inline] __alloc_skb+0x346/0xcf0 net/core/skbuff.c:434 __netdev_alloc_skb+0x126/0x780 net/core/skbuff.c:500 __dev_alloc_skb include/linux/skbuff.h:3157 [inline] ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:635 [inline] ath9k_hif_usb_rx_cb+0xd59/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474 expire_timers+0x272/0x610 kernel/time/timer.c:1519 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571 CPU: 0 PID: 28240 Comm: syz-executor.5 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 =====================================================