[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.008824][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.248614][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 36.368693][ T7] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 36.379737][ T7] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 36.392573][ T7] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 36.401685][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.413364][ T7] usb 1-1: config 0 descriptor?? [ 36.916671][ T7] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0001/input/input5 [ 37.003819][ T7] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 37.128441][ C0] ================================================================================ [ 37.137885][ C0] UBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1315:20 [ 37.145441][ C0] shift exponent 4294967295 is too large for 32-bit type 'int' [ 37.152973][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc7-syzkaller #0 [ 37.160940][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.170991][ C0] Call Trace: [ 37.174273][ C0] [ 37.177110][ C0] dump_stack+0x107/0x163 [ 37.181439][ C0] ubsan_epilogue+0xb/0x5a [ 37.185843][ C0] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 37.192616][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 37.198859][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 37.205095][ C0] snto32.cold+0x37/0x3c [ 37.209332][ C0] hid_report_raw_event+0x7a9/0x11b0 [ 37.214625][ C0] hid_input_report+0x360/0x4c0 [ 37.219472][ C0] hid_irq_in+0x50e/0x690 [ 37.223811][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 37.229000][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 37.234364][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 37.239569][ C0] dummy_timer+0x11f4/0x32a0 [ 37.244165][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.248926][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.253687][ C0] call_timer_fn+0x1a5/0x630 [ 37.258267][ C0] ? timer_fixup_init+0x60/0x60 [ 37.263108][ C0] ? lock_downgrade+0x6d0/0x6d0 [ 37.267949][ C0] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 37.275407][ C0] ? lockdep_hardirqs_on_prepare+0x129/0x3e0 [ 37.281376][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.286152][ C0] __run_timers.part.0+0x67c/0xa10 [ 37.291276][ C0] ? call_timer_fn+0x630/0x630 [ 37.297961][ C0] ? clockevents_program_event+0x12b/0x370 [ 37.303785][ C0] ? tick_program_event+0xa8/0x130 [ 37.308922][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 37.311776][ T32] usb 1-1: USB disconnect, device number 2 [ 37.315176][ C0] ? hrtimer_interrupt+0x6c0/0x8f0 [ 37.326100][ C0] run_timer_softirq+0x80/0x120 [ 37.330961][ C0] __do_softirq+0x1b0/0x944 [ 37.335597][ C0] asm_call_irq_on_stack+0xf/0x20 [ 37.340671][ C0] [ 37.343647][ C0] do_softirq_own_stack+0x80/0xa0 [ 37.348713][ C0] irq_exit_rcu+0x110/0x1a0 [ 37.353773][ C0] sysvec_apic_timer_interrupt+0x43/0xa0 [ 37.359493][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 37.365779][ C0] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 37.371612][ C0] Code: 1d bd 93 fb 84 db 75 ac e8 94 b6 93 fb e8 df 70 99 fb e9 0c 00 00 00 e8 85 b6 93 fb 0f 00 2d 3e 27 7c 00 e8 79 b6 93 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 54 be 93 fb 48 85 db [ 37.391236][ C0] RSP: 0018:ffffffff87807d60 EFLAGS: 00000293 [ 37.397310][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 37.405286][ C0] RDX: ffffffff878520c0 RSI: ffffffff85abe707 RDI: ffffffff85abe6f1 [ 37.413262][ C0] RBP: ffff8881035ed064 R08: 0000000000000001 R09: 0000000000000001 [ 37.421241][ C0] R10: ffffffff81455808 R11: 0000000000000000 R12: 0000000000000001 [ 37.429210][ C0] R13: ffff8881035ed000 R14: ffff8881035ed064 R15: ffff888105ecf804 [ 37.437192][ C0] ? trace_hardirqs_on+0x38/0x1a0 [ 37.442225][ C0] ? acpi_idle_do_entry+0x1c7/0x250 [ 37.447508][ C0] ? acpi_idle_do_entry+0x1b1/0x250 [ 37.452799][ C0] acpi_idle_enter+0x355/0x4f0 [ 37.457565][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 37.462679][ C0] cpuidle_enter+0x4a/0xa0 [ 37.467102][ C0] do_idle+0x3d5/0x580 [ 37.471170][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 37.476196][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 37.482461][ C0] cpu_startup_entry+0x14/0x20 [ 37.487243][ C0] start_kernel+0x46d/0x48e [ 37.491817][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 37.497716][ C0] ================================================================================ [ 37.507440][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 37.514038][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc7-syzkaller #0 [ 37.522985][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.533559][ C0] Call Trace: [ 37.537269][ C0] [ 37.540474][ C0] dump_stack+0x107/0x163 [ 37.545134][ C0] panic+0x306/0x73d [ 37.549186][ C0] ? __warn_printk+0xf3/0xf3 [ 37.553807][ C0] ? secondary_startup_64_no_verify+0xb0/0xbb [ 37.560315][ C0] ? ubsan_epilogue+0x3e/0x5a [ 37.568242][ C0] ubsan_epilogue+0x54/0x5a [ 37.573183][ C0] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 37.579946][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 37.586197][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 37.592790][ C0] snto32.cold+0x37/0x3c [ 37.597518][ C0] hid_report_raw_event+0x7a9/0x11b0 [ 37.605620][ C0] hid_input_report+0x360/0x4c0 [ 37.614185][ C0] hid_irq_in+0x50e/0x690 [ 37.619434][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 37.625236][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 37.631551][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 37.637713][ C0] dummy_timer+0x11f4/0x32a0 [ 37.644308][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.651048][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.656249][ C0] call_timer_fn+0x1a5/0x630 [ 37.662334][ C0] ? timer_fixup_init+0x60/0x60 [ 37.668150][ C0] ? lock_downgrade+0x6d0/0x6d0 [ 37.673765][ C0] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 37.679570][ C0] ? lockdep_hardirqs_on_prepare+0x129/0x3e0 [ 37.686242][ C0] ? dummy_dequeue+0x4c0/0x4c0 [ 37.691349][ C0] __run_timers.part.0+0x67c/0xa10 [ 37.696646][ C0] ? call_timer_fn+0x630/0x630 [ 37.701611][ C0] ? clockevents_program_event+0x12b/0x370 [ 37.708432][ C0] ? tick_program_event+0xa8/0x130 [ 37.715823][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 37.723730][ C0] ? hrtimer_interrupt+0x6c0/0x8f0 [ 37.728942][ C0] run_timer_softirq+0x80/0x120 [ 37.734782][ C0] __do_softirq+0x1b0/0x944 [ 37.740138][ C0] asm_call_irq_on_stack+0xf/0x20 [ 37.745175][ C0] [ 37.748868][ C0] do_softirq_own_stack+0x80/0xa0 [ 37.755112][ C0] irq_exit_rcu+0x110/0x1a0 [ 37.759726][ C0] sysvec_apic_timer_interrupt+0x43/0xa0 [ 37.765735][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 37.771747][ C0] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 37.778375][ C0] Code: 1d bd 93 fb 84 db 75 ac e8 94 b6 93 fb e8 df 70 99 fb e9 0c 00 00 00 e8 85 b6 93 fb 0f 00 2d 3e 27 7c 00 e8 79 b6 93 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 54 be 93 fb 48 85 db [ 37.798992][ C0] RSP: 0018:ffffffff87807d60 EFLAGS: 00000293 [ 37.806533][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 37.815913][ C0] RDX: ffffffff878520c0 RSI: ffffffff85abe707 RDI: ffffffff85abe6f1 [ 37.824442][ C0] RBP: ffff8881035ed064 R08: 0000000000000001 R09: 0000000000000001 [ 37.834925][ C0] R10: ffffffff81455808 R11: 0000000000000000 R12: 0000000000000001 [ 37.843090][ C0] R13: ffff8881035ed000 R14: ffff8881035ed064 R15: ffff888105ecf804 [ 37.851774][ C0] ? trace_hardirqs_on+0x38/0x1a0 [ 37.857188][ C0] ? acpi_idle_do_entry+0x1c7/0x250 [ 37.862384][ C0] ? acpi_idle_do_entry+0x1b1/0x250 [ 37.869338][ C0] acpi_idle_enter+0x355/0x4f0 [ 37.874123][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 37.879241][ C0] cpuidle_enter+0x4a/0xa0 [ 37.883664][ C0] do_idle+0x3d5/0x580 [ 37.887726][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 37.893909][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 37.902350][ C0] cpu_startup_entry+0x14/0x20 [ 37.907363][ C0] start_kernel+0x46d/0x48e [ 37.912907][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 37.920737][ C0] Kernel Offset: disabled [ 37.925765][ C0] Rebooting in 86400 seconds..