===================================================== 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 smap_save mm/kmsan/instrumentation.c:77 [inline] get_shadow_origin_ptr mm/kmsan/instrumentation.c:32 [inline] __msan_metadata_ptr_for_load_8+0xd/0x30 mm/kmsan/instrumentation.c:77 last_frame arch/x86/kernel/unwind_frame.c:82 [inline] is_last_frame arch/x86/kernel/unwind_frame.c:87 [inline] is_last_task_frame+0x5d/0x450 arch/x86/kernel/unwind_frame.c:156 unwind_next_frame+0x5a/0x360 arch/x86/kernel/unwind_frame.c:276 arch_stack_walk+0x1b9/0x280 arch/x86/kernel/stacktrace.c:25 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] __kmalloc+0x7c9/0x1120 mm/slub.c:4435 kmalloc include/linux/slab.h:605 [inline] tomoyo_realpath_from_path+0x123/0xaf0 security/tomoyo/realpath.c:254 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x222/0xd70 security/tomoyo/file.c:771 tomoyo_file_open+0x20e/0x290 security/tomoyo/tomoyo.c:320 security_file_open+0x8f/0x160 security/security.c:1646 do_dentry_open+0x455/0x17c0 fs/open.c:867 vfs_open+0x77/0xa0 fs/open.c:1016 do_open fs/namei.c:3557 [inline] path_openat+0x478f/0x5600 fs/namei.c:3691 do_filp_open+0x249/0x660 fs/namei.c:3718 do_sys_openat2+0x1f0/0x910 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x2b0/0x330 fs/open.c:1340 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: 5551 Comm: udevd Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 =====================================================