[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 137.872373][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 138.432830][ T7] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 138.442324][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 138.450548][ T7] usb 1-1: Product: syz [ 138.455099][ T7] usb 1-1: Manufacturer: syz [ 138.459850][ T7] usb 1-1: SerialNumber: syz [ 138.514201][ T7] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 139.142497][ T1993] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 139.352201][ C0] ===================================================== [ 139.359179][ C0] BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 [ 139.362079][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc7-syzkaller #0 [ 139.362079][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.362079][ C0] Call Trace: [ 139.362079][ C0] [ 139.362079][ C0] dump_stack+0x21c/0x280 [ 139.362079][ C0] kmsan_report+0xfb/0x1e0 [ 139.362079][ C0] __msan_warning+0x5f/0xa0 [ 139.362079][ C0] skb_trim+0x1fa/0x280 [ 139.362079][ C0] ath9k_htc_rx_msg+0x631/0x1f30 [ 139.362079][ C0] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 139.362079][ C0] ath9k_hif_usb_rx_cb+0x184e/0x1d20 [ 139.362079][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.362079][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.362079][ C0] ? ath9k_hif_usb_alloc_urbs+0x1ed0/0x1ed0 [ 139.362079][ C0] __usb_hcd_giveback_urb+0x6ff/0x930 [ 139.362079][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.362079][ C0] usb_hcd_giveback_urb+0x1cb/0x730 [ 139.362079][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.362079][ C0] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 139.362079][ C0] dummy_timer+0xda7/0x74f0 [ 139.362079][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.362079][ C0] ? dummy_free_streams+0x5b0/0x5b0 [ 139.362079][ C0] call_timer_fn+0x7d/0x450 [ 139.362079][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.362079][ C0] expire_timers+0x328/0x6c0 [ 139.362079][ C0] ? dummy_free_streams+0x5b0/0x5b0 [ 139.362079][ C0] __run_timers+0x624/0x9e0 [ 139.362079][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.362079][ C0] ? irqtime_account_irq+0x5e/0x380 [ 139.362079][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.362079][ C0] ? migrate_timer_list+0x5f0/0x5f0 [ 139.362079][ C0] run_timer_softirq+0x2d/0x50 [ 139.362079][ C0] __do_softirq+0x1b9/0x715 [ 139.362079][ C0] asm_call_irq_on_stack+0xf/0x20 [ 139.546077][ C0] [ 139.547986][ T55] usb 1-1: USB disconnect, device number 2 [ 139.546077][ C0] do_softirq_own_stack+0x6e/0x90 [ 139.546077][ C0] __irq_exit_rcu+0x22f/0x280 [ 139.562075][ C0] irq_exit_rcu+0xe/0x10 [ 139.562075][ C0] sysvec_apic_timer_interrupt+0x106/0x130 [ 139.562075][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 139.562075][ C0] RIP: 0010:acpi_idle_enter+0x61d/0x760 [ 139.562075][ C0] Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5 [ 139.562075][ C0] RSP: 0018:ffffffff91403b70 EFLAGS: 00000246 [ 139.562075][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000023eaec040 [ 139.562075][ C0] RDX: ffffffff91431040 RSI: 0000000000000000 RDI: 0000000000000000 [ 139.562075][ C0] RBP: ffffffff91403c08 R08: ffffffff86809bde R09: ffff88813fffa000 [ 139.562075][ C0] R10: 0000000000000002 R11: ffffffff91431040 R12: 0000000000000000 [ 139.562075][ C0] R13: ffff888102fa0064 R14: 0000000000000000 R15: ffffffff91431ab8 [ 139.562075][ C0] ? acpi_idle_enter+0x5ee/0x760 [ 139.562075][ C0] ? acpi_idle_lpi_enter+0x160/0x160 [ 139.562075][ C0] cpuidle_enter_state+0x99e/0x1750 [ 139.562075][ C0] cpuidle_enter+0xe3/0x170 [ 139.562075][ C0] do_idle+0x5df/0x790 [ 139.675639][ C0] cpu_startup_entry+0x45/0x50 [ 139.675639][ C0] rest_init+0x1c8/0x1f0 [ 139.675639][ C0] arch_call_rest_init+0x13/0x15 [ 139.675639][ C0] start_kernel+0xa17/0xbd8 [ 139.675639][ C0] x86_64_start_reservations+0x2a/0x2c [ 139.675639][ C0] x86_64_start_kernel+0x86/0x89 [ 139.675639][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 139.675639][ C0] [ 139.675639][ C0] Uninit was created at: [ 139.675639][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 139.675639][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 139.675639][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 139.675639][ C0] __alloc_skb+0x2f8/0xb30 [ 139.675639][ C0] __netdev_alloc_skb+0x450/0x7f0 [ 139.675639][ C0] ath9k_hif_usb_rx_cb+0xe58/0x1d20 executing program [ 139.675639][ C0] __usb_hcd_giveback_urb+0x6ff/0x930 [ 139.675639][ C0] usb_hcd_giveback_urb+0x1cb/0x730 [ 139.675639][ C0] dummy_timer+0xda7/0x74f0 [ 139.675639][ C0] call_timer_fn+0x7d/0x450 [ 139.675639][ C0] expire_timers+0x328/0x6c0 [ 139.675639][ C0] __run_timers+0x624/0x9e0 [ 139.675639][ C0] run_timer_softirq+0x2d/0x50 [ 139.675639][ C0] __do_softirq+0x1b9/0x715 [ 139.675639][ C0] ===================================================== [ 139.675639][ C0] Disabling lock debugging due to kernel taint [ 140.162354][ T1993] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 140.169464][ T1993] ath9k_htc: Failed to initialize the device [ 140.180473][ T55] usb 1-1: ath9k_htc: USB layer deinitialized [ 140.542332][ T55] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 141.092681][ T55] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 141.101958][ T55] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 141.110378][ T55] usb 1-1: Product: syz [ 141.114822][ T55] usb 1-1: Manufacturer: syz [ 141.119545][ T55] usb 1-1: SerialNumber: syz [ 141.163976][ T55] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 141.742552][ T18] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 141.952289][ C1] ===================================================== [ 141.959585][ C1] BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 [ 141.962120][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.962120][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.962120][ C1] Call Trace: [ 141.962120][ C1] [ 141.962120][ C1] dump_stack+0x21c/0x280 [ 141.962120][ C1] kmsan_report+0xfb/0x1e0 [ 141.962120][ C1] __msan_warning+0x5f/0xa0 [ 142.002426][ C1] skb_trim+0x1fa/0x280 [ 142.002426][ C1] ath9k_htc_rx_msg+0x631/0x1f30 [ 142.002426][ C1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 142.002426][ C1] ath9k_hif_usb_rx_cb+0x184e/0x1d20 [ 142.002426][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.002426][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.002426][ C1] ? ath9k_hif_usb_alloc_urbs+0x1ed0/0x1ed0 [ 142.002426][ C1] __usb_hcd_giveback_urb+0x6ff/0x930 [ 142.002426][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.002426][ C1] usb_hcd_giveback_urb+0x1cb/0x730 [ 142.002426][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.002426][ C1] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 142.002426][ C1] dummy_timer+0xda7/0x74f0 [ 142.002426][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.002426][ C1] ? dummy_free_streams+0x5b0/0x5b0 [ 142.002426][ C1] call_timer_fn+0x7d/0x450 [ 142.002426][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.002426][ C1] expire_timers+0x328/0x6c0 [ 142.002426][ C1] ? dummy_free_streams+0x5b0/0x5b0 [ 142.002426][ C1] __run_timers+0x624/0x9e0 [ 142.002426][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.002426][ C1] ? irqtime_account_irq+0x5e/0x380 [ 142.002426][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.002426][ C1] ? migrate_timer_list+0x5f0/0x5f0 [ 142.002426][ C1] run_timer_softirq+0x2d/0x50 [ 142.002426][ C1] __do_softirq+0x1b9/0x715 [ 142.002426][ C1] asm_call_irq_on_stack+0xf/0x20 [ 142.146605][ C1] [ 142.148499][ T1993] usb 1-1: USB disconnect, device number 3 [ 142.146605][ C1] do_softirq_own_stack+0x6e/0x90 [ 142.146605][ C1] __irq_exit_rcu+0x22f/0x280 [ 142.162074][ C1] irq_exit_rcu+0xe/0x10 [ 142.162074][ C1] sysvec_apic_timer_interrupt+0x106/0x130 [ 142.162074][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 142.162074][ C1] RIP: 0010:acpi_idle_enter+0x61d/0x760 [ 142.162074][ C1] Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5 [ 142.162074][ C1] RSP: 0018:ffff8881023e3c40 EFLAGS: 00000246 [ 142.162074][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000101fd9f40 [ 142.162074][ C1] RDX: ffff8881023d9f40 RSI: 0000000000000000 RDI: 0000000000000000 [ 142.162074][ C1] RBP: ffff8881023e3cd8 R08: ffffffff86809bde R09: ffff88813fffa000 [ 142.162074][ C1] R10: 0000000000000002 R11: ffff8881023d9f40 R12: 0000000000000000 [ 142.162074][ C1] R13: ffff888102fa0464 R14: 0000000000000000 R15: ffff8881023da9b8 [ 142.162074][ C1] ? acpi_idle_enter+0x5ee/0x760 [ 142.162074][ C1] ? acpi_idle_lpi_enter+0x160/0x160 [ 142.162074][ C1] cpuidle_enter_state+0x99e/0x1750 [ 142.162074][ C1] cpuidle_enter+0xe3/0x170 [ 142.274424][ C1] do_idle+0x5df/0x790 [ 142.278093][ C1] cpu_startup_entry+0x45/0x50 [ 142.278093][ C1] ? setup_APIC_timer+0x210/0x210 [ 142.278093][ C1] start_secondary+0xe9/0xf0 [ 142.278093][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 142.278093][ C1] [ 142.278093][ C1] Uninit was created at: [ 142.278093][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.278093][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 142.278093][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 142.278093][ C1] __alloc_skb+0x2f8/0xb30 [ 142.278093][ C1] __netdev_alloc_skb+0x450/0x7f0 [ 142.278093][ C1] ath9k_hif_usb_rx_cb+0xe58/0x1d20 [ 142.278093][ C1] __usb_hcd_giveback_urb+0x6ff/0x930 [ 142.278093][ C1] usb_hcd_giveback_urb+0x1cb/0x730 [ 142.278093][ C1] dummy_timer+0xda7/0x74f0 executing program [ 142.278093][ C1] call_timer_fn+0x7d/0x450 [ 142.278093][ C1] expire_timers+0x328/0x6c0 [ 142.278093][ C1] __run_timers+0x624/0x9e0 [ 142.278093][ C1] run_timer_softirq+0x2d/0x50 [ 142.278093][ C1] __do_softirq+0x1b9/0x715 [ 142.278093][ C1] ===================================================== [ 142.802264][ T18] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 142.809460][ T18] ath9k_htc: Failed to initialize the device [ 142.818682][ T1993] usb 1-1: ath9k_htc: USB layer deinitialized [ 143.182324][ T1993] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 143.712574][ T1993] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 143.721802][ T1993] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 143.730214][ T1993] usb 1-1: Product: syz [ 143.734688][ T1993] usb 1-1: Manufacturer: syz [ 143.739507][ T1993] usb 1-1: SerialNumber: syz [ 143.783768][ T1993] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 144.362453][ T8209] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 144.572321][ C0] ===================================================== [ 144.579399][ C0] BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 [ 144.582089][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.582089][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.582089][ C0] Call Trace: [ 144.582089][ C0] [ 144.582089][ C0] dump_stack+0x21c/0x280 [ 144.582089][ C0] kmsan_report+0xfb/0x1e0 [ 144.582089][ C0] __msan_warning+0x5f/0xa0 [ 144.582089][ C0] skb_trim+0x1fa/0x280 [ 144.582089][ C0] ath9k_htc_rx_msg+0x631/0x1f30 [ 144.582089][ C0] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 144.582089][ C0] ath9k_hif_usb_rx_cb+0x184e/0x1d20 [ 144.582089][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.582089][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.582089][ C0] ? ath9k_hif_usb_alloc_urbs+0x1ed0/0x1ed0 [ 144.582089][ C0] __usb_hcd_giveback_urb+0x6ff/0x930 [ 144.582089][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.582089][ C0] usb_hcd_giveback_urb+0x1cb/0x730 [ 144.582089][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.582089][ C0] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 144.582089][ C0] dummy_timer+0xda7/0x74f0 [ 144.582089][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.582089][ C0] ? dummy_free_streams+0x5b0/0x5b0 [ 144.582089][ C0] call_timer_fn+0x7d/0x450 [ 144.582089][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.582089][ C0] expire_timers+0x328/0x6c0 [ 144.582089][ C0] ? dummy_free_streams+0x5b0/0x5b0 [ 144.582089][ C0] __run_timers+0x624/0x9e0 [ 144.582089][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.582089][ C0] ? irqtime_account_irq+0x5e/0x380 [ 144.582089][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.582089][ C0] ? migrate_timer_list+0x5f0/0x5f0 [ 144.582089][ C0] run_timer_softirq+0x2d/0x50 [ 144.582089][ C0] __do_softirq+0x1b9/0x715 [ 144.582089][ C0] asm_call_irq_on_stack+0xf/0x20 [ 144.765498][ C0] [ 144.766981][ T18] usb 1-1: USB disconnect, device number 4 [ 144.765498][ C0] do_softirq_own_stack+0x6e/0x90 [ 144.765498][ C0] __irq_exit_rcu+0x22f/0x280 [ 144.782105][ C0] irq_exit_rcu+0xe/0x10 [ 144.782105][ C0] sysvec_apic_timer_interrupt+0x106/0x130 [ 144.782105][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 144.782105][ C0] RIP: 0010:acpi_idle_enter+0x61d/0x760 [ 144.782105][ C0] Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5 [ 144.782105][ C0] RSP: 0018:ffffffff91403b70 EFLAGS: 00000246 [ 144.782105][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000023eaec040 [ 144.782105][ C0] RDX: ffffffff91431040 RSI: 0000000000000000 RDI: 0000000000000000 [ 144.782105][ C0] RBP: ffffffff91403c08 R08: ffffffff86809bde R09: ffff88813fffa000 [ 144.782105][ C0] R10: 0000000000000002 R11: ffffffff91431040 R12: 0000000000000000 [ 144.782105][ C0] R13: ffff888102fa0064 R14: 0000000000000000 R15: ffffffff91431ab8 [ 144.782105][ C0] ? acpi_idle_enter+0x5ee/0x760 [ 144.782105][ C0] ? acpi_idle_lpi_enter+0x160/0x160 [ 144.782105][ C0] cpuidle_enter_state+0x99e/0x1750 [ 144.782105][ C0] cpuidle_enter+0xe3/0x170 [ 144.782105][ C0] do_idle+0x5df/0x790 [ 144.895716][ C0] cpu_startup_entry+0x45/0x50 [ 144.899542][ C0] rest_init+0x1c8/0x1f0 [ 144.899542][ C0] arch_call_rest_init+0x13/0x15 [ 144.899542][ C0] start_kernel+0xa17/0xbd8 [ 144.899542][ C0] x86_64_start_reservations+0x2a/0x2c [ 144.899542][ C0] x86_64_start_kernel+0x86/0x89 [ 144.899542][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 144.899542][ C0] [ 144.899542][ C0] Uninit was created at: [ 144.899542][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.899542][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 144.899542][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 144.899542][ C0] __alloc_skb+0x2f8/0xb30 [ 144.899542][ C0] __netdev_alloc_skb+0x450/0x7f0 [ 144.899542][ C0] ath9k_hif_usb_rx_cb+0xe58/0x1d20 executing program [ 144.899542][ C0] __usb_hcd_giveback_urb+0x6ff/0x930 [ 144.899542][ C0] usb_hcd_giveback_urb+0x1cb/0x730 [ 144.899542][ C0] dummy_timer+0xda7/0x74f0 [ 144.899542][ C0] call_timer_fn+0x7d/0x450 [ 144.899542][ C0] expire_timers+0x328/0x6c0 [ 144.899542][ C0] __run_timers+0x624/0x9e0 [ 144.899542][ C0] run_timer_softirq+0x2d/0x50 [ 144.899542][ C0] __do_softirq+0x1b9/0x715 [ 144.899542][ C0] ===================================================== [ 145.442221][ T8209] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 145.449430][ T8209] ath9k_htc: Failed to initialize the device [ 145.458253][ T18] usb 1-1: ath9k_htc: USB layer deinitialized [ 145.822350][ T18] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 146.372580][ T18] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 146.381713][ T18] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 146.389952][ T18] usb 1-1: Product: syz [ 146.394368][ T18] usb 1-1: Manufacturer: syz [ 146.399125][ T18] usb 1-1: SerialNumber: syz [ 146.453518][ T18] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 147.042534][ T8225] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 147.252297][ C1] ===================================================== [ 147.259363][ C1] BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 [ 147.262140][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.262140][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.262140][ C1] Call Trace: [ 147.262140][ C1] [ 147.262140][ C1] dump_stack+0x21c/0x280 [ 147.293249][ C1] kmsan_report+0xfb/0x1e0 [ 147.293249][ C1] __msan_warning+0x5f/0xa0 [ 147.293249][ C1] skb_trim+0x1fa/0x280 [ 147.293249][ C1] ath9k_htc_rx_msg+0x631/0x1f30 [ 147.293249][ C1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 147.293249][ C1] ath9k_hif_usb_rx_cb+0x184e/0x1d20 [ 147.293249][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.293249][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.332608][ C1] ? ath9k_hif_usb_alloc_urbs+0x1ed0/0x1ed0 [ 147.332608][ C1] __usb_hcd_giveback_urb+0x6ff/0x930 [ 147.332608][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.349491][ C1] usb_hcd_giveback_urb+0x1cb/0x730 [ 147.349491][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.349491][ C1] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 147.349491][ C1] dummy_timer+0xda7/0x74f0 [ 147.349491][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.349491][ C1] ? dummy_free_streams+0x5b0/0x5b0 [ 147.349491][ C1] call_timer_fn+0x7d/0x450 [ 147.349491][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.349491][ C1] expire_timers+0x328/0x6c0 [ 147.349491][ C1] ? dummy_free_streams+0x5b0/0x5b0 [ 147.349491][ C1] __run_timers+0x624/0x9e0 [ 147.349491][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.349491][ C1] ? irqtime_account_irq+0x5e/0x380 [ 147.349491][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.349491][ C1] ? migrate_timer_list+0x5f0/0x5f0 [ 147.349491][ C1] run_timer_softirq+0x2d/0x50 [ 147.349491][ C1] __do_softirq+0x1b9/0x715 [ 147.349491][ C1] asm_call_irq_on_stack+0xf/0x20 [ 147.447555][ T8209] usb 1-1: USB disconnect, device number 5 [ 147.445660][ C1] [ 147.445660][ C1] do_softirq_own_stack+0x6e/0x90 [ 147.445660][ C1] __irq_exit_rcu+0x22f/0x280 [ 147.460132][ C1] irq_exit_rcu+0xe/0x10 [ 147.460132][ C1] sysvec_apic_timer_interrupt+0x106/0x130 [ 147.460132][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 147.460132][ C1] RIP: 0010:acpi_idle_enter+0x61d/0x760 [ 147.460132][ C1] Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5 [ 147.460132][ C1] RSP: 0018:ffff8881023e3c40 EFLAGS: 00000246 [ 147.460132][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000101fd9f40 [ 147.460132][ C1] RDX: ffff8881023d9f40 RSI: 0000000000000000 RDI: 0000000000000000 [ 147.460132][ C1] RBP: ffff8881023e3cd8 R08: ffffffff86809bde R09: ffff88813fffa000 [ 147.460132][ C1] R10: 0000000000000002 R11: ffff8881023d9f40 R12: 0000000000000000 [ 147.460132][ C1] R13: ffff888102fa0464 R14: 0000000000000000 R15: ffff8881023da9b8 [ 147.460132][ C1] ? acpi_idle_enter+0x5ee/0x760 [ 147.460132][ C1] ? acpi_idle_lpi_enter+0x160/0x160 [ 147.460132][ C1] cpuidle_enter_state+0x99e/0x1750 [ 147.460132][ C1] cpuidle_enter+0xe3/0x170 [ 147.460132][ C1] do_idle+0x5df/0x790 [ 147.460132][ C1] cpu_startup_entry+0x45/0x50 [ 147.460132][ C1] ? setup_APIC_timer+0x210/0x210 [ 147.460132][ C1] start_secondary+0xe9/0xf0 [ 147.460132][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 147.460132][ C1] [ 147.460132][ C1] Uninit was created at: [ 147.460132][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.460132][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 147.460132][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 147.460132][ C1] __alloc_skb+0x2f8/0xb30 [ 147.460132][ C1] __netdev_alloc_skb+0x450/0x7f0 [ 147.460132][ C1] ath9k_hif_usb_rx_cb+0xe58/0x1d20 [ 147.460132][ C1] __usb_hcd_giveback_urb+0x6ff/0x930 [ 147.460132][ C1] usb_hcd_giveback_urb+0x1cb/0x730 [ 147.460132][ C1] dummy_timer+0xda7/0x74f0 executing program [ 147.460132][ C1] call_timer_fn+0x7d/0x450 [ 147.460132][ C1] expire_timers+0x328/0x6c0 [ 147.460132][ C1] __run_timers+0x624/0x9e0 [ 147.460132][ C1] run_timer_softirq+0x2d/0x50 [ 147.460132][ C1] __do_softirq+0x1b9/0x715 [ 147.460132][ C1] ===================================================== [ 148.082245][ T8225] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 148.089424][ T8225] ath9k_htc: Failed to initialize the device [ 148.097433][ T8209] usb 1-1: ath9k_htc: USB layer deinitialized [ 148.482338][ T8209] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 149.022623][ T8209] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 149.031859][ T8209] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 149.040122][ T8209] usb 1-1: Product: syz [ 149.044679][ T8209] usb 1-1: Manufacturer: syz [ 149.049398][ T8209] usb 1-1: SerialNumber: syz [ 149.094129][ T8209] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested