./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3027389477 <...> syzkaller login: [ 95.134221][ T119] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.78' (ECDSA) to the list of known hosts. execve("./syz-executor3027389477", ["./syz-executor3027389477"], 0x7fffc7d8ece0 /* 10 vars */) = 0 brk(NULL) = 0x555556b2f000 brk(0x555556b2fc40) = 0x555556b2fc40 arch_prctl(ARCH_SET_FS, 0x555556b2f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3027389477", 4096) = 28 brk(0x555556b50c40) = 0x555556b50c40 brk(0x555556b51000) = 0x555556b51000 mprotect(0x7ff68f7f1000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3475 attached , child_tidptr=0x555556b2f5d0) = 3475 [pid 3475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3475] setpgid(0, 0) = 0 [pid 3475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3475] write(3, "1000", 4) = 4 [pid 3475] close(3) = 0 [pid 3475] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 3475] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 18 [ 100.262869][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 18 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 9 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 72 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 4 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 8 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 8 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff13fb57d0) = 8 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0xfa) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f746c) = 9 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f747c) = 10 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f748c) = 12 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f749c) = 11 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f74ac) = 13 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff68f7f74bc) = 14 [ 100.783123][ T25] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 100.792459][ T25] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 100.800734][ T25] usb 1-1: Product: syz [ 100.805102][ T25] usb 1-1: Manufacturer: syz [ 100.809829][ T25] usb 1-1: SerialNumber: syz [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 0 [ 100.874774][ T25] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 4096 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 1856 [pid 3475] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff13fb67e0) = 0 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff13fb57d0) = 0 [ 101.493044][ T122] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [pid 3475] ioctl(3, USB_RAW_IOCTL_EP_WRITE, 0x7fff13fb6810) = 24 [ 101.703167][ C1] ===================================================== [ 101.710200][ C1] BUG: KMSAN: uninit-value in ath9k_htc_rx_msg+0x26b/0xbc0 [ 101.717419][ C1] ath9k_htc_rx_msg+0x26b/0xbc0 [ 101.722287][ C1] ath9k_hif_usb_rx_cb+0x1721/0x1df0 [ 101.727585][ C1] __usb_hcd_giveback_urb+0x6c6/0x930 [ 101.732973][ C1] usb_hcd_giveback_urb+0x1e2/0x7c0 [ 101.738179][ C1] dummy_timer+0x157a/0x51c0 [ 101.742784][ C1] call_timer_fn+0x81/0x540 [ 101.747316][ C1] expire_timers+0x2f5/0x6d0 [ 101.751911][ C1] __run_timers+0x682/0xa80 [ 101.756517][ C1] run_timer_softirq+0x71/0xe0 [ 101.761285][ C1] __do_softirq+0x1ee/0x7c5 [ 101.765800][ C1] invoke_softirq+0xa4/0x130 [ 101.770497][ C1] irq_exit_rcu+0x76/0x130 [ 101.774930][ C1] sysvec_apic_timer_interrupt+0x9a/0xc0 [ 101.780586][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 101.786581][ C1] acpi_idle_enter+0x747/0x820 [ 101.791358][ C1] cpuidle_enter_state+0x9a8/0x1840 [ 101.796572][ C1] cpuidle_enter+0xf4/0x180 [ 101.801092][ C1] do_idle+0x68d/0x840 [ 101.805256][ C1] cpu_startup_entry+0x3c/0x40 [ 101.810032][ C1] start_secondary+0x112/0x120 [ 101.814812][ C1] secondary_startup_64_no_verify+0xc4/0xcb [ 101.820726][ C1] [ 101.823040][ C1] Uninit was created at: [ 101.827324][ C1] __kmalloc_node_track_caller+0xde3/0x14f0 [ 101.833230][ C1] __alloc_skb+0x545/0xf90 [ 101.837657][ C1] __netdev_alloc_skb+0x4b9/0x8c0 [ 101.842697][ C1] ath9k_hif_usb_rx_cb+0xead/0x1df0 [ 101.847913][ C1] __usb_hcd_giveback_urb+0x6c6/0x930 [ 101.853296][ C1] usb_hcd_giveback_urb+0x1e2/0x7c0 [ 101.858525][ C1] dummy_timer+0x157a/0x51c0 [ 101.863125][ C1] call_timer_fn+0x81/0x540 [ 101.867651][ C1] expire_timers+0x2f5/0x6d0 [ 101.872246][ C1] __run_timers+0x682/0xa80 [ 101.876754][ C1] run_timer_softirq+0x71/0xe0 [ 101.881522][ C1] __do_softirq+0x1ee/0x7c5 [ 101.886039][ C1] [ 101.888353][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc4-syzkaller #0 [ 101.896334][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.906389][ C1] ===================================================== [ 101.913312][ C1] Disabling lock debugging due to kernel taint [ 101.919452][ C1] Kernel panic - not syncing: kmsan.panic set ... [ 101.925855][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.18.0-rc4-syzkaller #0 [ 101.935263][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.945403][ C1] Call Trace: [ 101.948676][ C1] [ 101.951689][ C1] dump_stack_lvl+0x1ff/0x28e [ 101.956393][ C1] dump_stack+0x25/0x28 [ 101.960563][ C1] panic+0x4fe/0xc73 [ 101.964582][ C1] ? add_taint+0x181/0x210 [ 101.969009][ C1] ? console_unlock+0x1c00/0x2130 [ 101.974059][ C1] kmsan_report+0x2cd/0x2d0 [ 101.978580][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 101.984428][ C1] ? __msan_warning+0x94/0x110 [ 101.989213][ C1] ? ath9k_htc_rx_msg+0x26b/0xbc0 [ 101.994257][ C1] ? ath9k_hif_usb_rx_cb+0x1721/0x1df0 [ 101.999741][ C1] ? __usb_hcd_giveback_urb+0x6c6/0x930 [ 102.005384][ C1] ? usb_hcd_giveback_urb+0x1e2/0x7c0 [ 102.010765][ C1] ? dummy_timer+0x157a/0x51c0 [ 102.015541][ C1] ? call_timer_fn+0x81/0x540 [ 102.020231][ C1] ? expire_timers+0x2f5/0x6d0 [ 102.025028][ C1] ? __run_timers+0x682/0xa80 [ 102.029723][ C1] ? run_timer_softirq+0x71/0xe0 [ 102.034675][ C1] ? __do_softirq+0x1ee/0x7c5 [ 102.039364][ C1] ? invoke_softirq+0xa4/0x130 [ 102.044149][ C1] ? irq_exit_rcu+0x76/0x130 [ 102.048759][ C1] ? sysvec_apic_timer_interrupt+0x9a/0xc0 [ 102.054592][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 102.060764][ C1] ? acpi_idle_enter+0x747/0x820 [ 102.065802][ C1] ? cpuidle_enter_state+0x9a8/0x1840 [ 102.071194][ C1] ? cpuidle_enter+0xf4/0x180 [ 102.075887][ C1] ? do_idle+0x68d/0x840 [ 102.080143][ C1] ? cpu_startup_entry+0x3c/0x40 [ 102.085095][ C1] ? start_secondary+0x112/0x120 [ 102.090051][ C1] ? secondary_startup_64_no_verify+0xc4/0xcb [ 102.096147][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 102.101974][ C1] ? kmsan_get_metadata+0x33/0x220 [ 102.107092][ C1] ? kmsan_get_metadata+0x33/0x220 [ 102.112211][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 102.118034][ C1] ? __alloc_skb+0xae7/0xf90 [ 102.122646][ C1] ? kmsan_get_metadata+0x33/0x220 [ 102.127784][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 102.133603][ C1] __msan_warning+0x94/0x110 [ 102.138218][ C1] ath9k_htc_rx_msg+0x26b/0xbc0 [ 102.143096][ C1] ath9k_hif_usb_rx_cb+0x1721/0x1df0 [ 102.148420][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 102.154241][ C1] ? ath9k_hif_usb_alloc_urbs+0x1e50/0x1e50 [ 102.160160][ C1] __usb_hcd_giveback_urb+0x6c6/0x930 [ 102.165564][ C1] usb_hcd_giveback_urb+0x1e2/0x7c0 [ 102.170805][ C1] dummy_timer+0x157a/0x51c0 [ 102.175827][ C1] ? dummy_free_streams+0x940/0x940 [ 102.181046][ C1] call_timer_fn+0x81/0x540 [ 102.185572][ C1] expire_timers+0x2f5/0x6d0 [ 102.190187][ C1] ? dummy_free_streams+0x940/0x940 [ 102.195410][ C1] __run_timers+0x682/0xa80 [ 102.199935][ C1] ? kmsan_get_metadata+0x33/0x220 [ 102.205205][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 102.211051][ C1] run_timer_softirq+0x71/0xe0 [ 102.215840][ C1] ? migrate_timer_list+0x4f0/0x4f0 [ 102.221067][ C1] __do_softirq+0x1ee/0x7c5 [ 102.225606][ C1] invoke_softirq+0xa4/0x130 [ 102.230241][ C1] irq_exit_rcu+0x76/0x130 [ 102.234708][ C1] sysvec_apic_timer_interrupt+0x9a/0xc0 [ 102.240377][ C1] [ 102.243308][ C1] [ 102.246242][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 102.252262][ C1] RIP: 0010:acpi_idle_enter+0x747/0x820 [ 102.257920][ C1] Code: 83 e0 08 74 0c f7 d3 44 89 e0 21 d8 48 85 c0 74 66 4d 85 e4 75 6e 4c 8b 65 c0 eb 0c e8 02 e0 d3 fa 0f 00 2d 75 60 8a 09 fb f4 eb 60 44 89 f7 44 89 65 8c e8 2a 26 68 fb 44 8b 65 8c e9 a1 fa [ 102.277801][ C1] RSP: 0018:ffff88810264fc28 EFLAGS: 00000246 [ 102.283880][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 102.291854][ C1] RDX: ffff888102638000 RSI: 0000000000000000 RDI: 0000000000000000 [ 102.299825][ C1] RBP: ffff88810264fcc0 R08: ffffffff86f5ebe9 R09: ffffffff86f5ea8b [ 102.307896][ C1] R10: 0000000000000002 R11: ffff888102638000 R12: 0000000000000000 [ 102.316061][ C1] R13: ffff888102638b40 R14: 0000000000000000 R15: ffff888142231c64 [ 102.324062][ C1] ? acpi_idle_enter+0x5bb/0x820 [ 102.329028][ C1] ? acpi_idle_enter+0x719/0x820 [ 102.333992][ C1] ? acpi_idle_enter+0x719/0x820 [ 102.338954][ C1] ? acpi_idle_lpi_enter+0x170/0x170 [ 102.344261][ C1] cpuidle_enter_state+0x9a8/0x1840 [ 102.349503][ C1] cpuidle_enter+0xf4/0x180 [ 102.354028][ C1] do_idle+0x68d/0x840 [ 102.358132][ C1] cpu_startup_entry+0x3c/0x40 [ 102.362912][ C1] ? setup_APIC_timer+0x390/0x390 [ 102.367958][ C1] start_secondary+0x112/0x120 [ 102.372743][ C1] secondary_startup_64_no_verify+0xc4/0xcb [ 102.378685][ C1] [ 102.381792][ C1] Kernel Offset: disabled [ 102.386141][ C1] Rebooting in 86400 seconds..