===================================================== 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 __msan_metadata_ptr_for_load_8+0x2c/0x30 mm/kmsan/instrumentation.c:77 filter_irq_stacks+0x5c/0x1a0 kernel/stacktrace.c:395 __stack_depot_save+0x21/0x4b0 lib/stackdepot.c:439 kmsan_save_stack_with_flags mm/kmsan/core.c:78 [inline] kmsan_internal_poison_memory+0x61/0x90 mm/kmsan/core.c:58 kmsan_free_page+0xe5/0x190 mm/kmsan/shadow.c:211 free_pages_prepare mm/page_alloc.c:1406 [inline] free_pcp_prepare+0x40/0x680 mm/page_alloc.c:1527 free_unref_page_prepare mm/page_alloc.c:3390 [inline] free_unref_page+0x41/0x940 mm/page_alloc.c:3486 free_the_page mm/page_alloc.c:768 [inline] __free_pages+0x78/0x1c0 mm/page_alloc.c:5619 __vunmap+0xfee/0x1410 mm/vmalloc.c:2712 __vfree mm/vmalloc.c:2760 [inline] vfree+0xda/0x120 mm/vmalloc.c:2791 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:868 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline] do_ipt_get_ctl+0x1612/0x2110 net/ipv4/netfilter/ip_tables.c:1663 nf_getsockopt+0x41d/0x480 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x1bfe/0x2190 net/ipv4/ip_sockglue.c:1786 tcp_getsockopt+0xc4/0x100 net/ipv4/tcp.c:4388 sock_common_getsockopt+0x99/0xd0 net/core/sock.c:3559 __sys_getsockopt+0x5ea/0xb00 net/socket.c:2296 __do_sys_getsockopt net/socket.c:2311 [inline] __se_sys_getsockopt net/socket.c:2308 [inline] __x64_sys_getsockopt+0xe1/0x160 net/socket.c:2308 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: 3530 Comm: syz-executor.1 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================