[ 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 '10.128.1.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.306728][ T3675] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 58.666806][ T3675] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x82 has invalid maxpacket 512, setting to 64 [ 58.677617][ T3675] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 58.688858][ T3675] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 58.776954][ T3675] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 58.786204][ T3675] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 58.794753][ T3675] usb 1-1: SerialNumber: syz [ 58.816981][ T8468] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 58.823797][ T8468] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 59.056741][ T3675] cdc_ether: probe of 1-1:1.0 failed with error -71 [ 59.067052][ T3675] usb 1-1: USB disconnect, device number 2 executing program [ 64.456293][ T3675] usb 1-1: new full-speed USB device number 3 using dummy_hcd [ 64.816325][ T3675] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x82 has invalid maxpacket 512, setting to 64 [ 64.827141][ T3675] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 64.837968][ T3675] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 64.926320][ T3675] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 64.935462][ T3675] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 64.943619][ T3675] usb 1-1: SerialNumber: syz [ 64.966322][ T8482] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 64.973194][ T8482] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 65.206266][ T3675] cdc_ether: probe of 1-1:1.0 failed with error -71 [ 65.226408][ T3675] usb 1-1: USB disconnect, device number 3 [ 66.227226][ T8467] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 72.361845][ T8467] kmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888109b5eb40 (size 32): comm "softirq", pid 0, jiffies 4294943128 (age 13.850s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 12 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b2ecc8d1>] gadget_setup+0xf6/0x220 [<00000000fa60e13b>] dummy_timer+0xb9f/0x14c0 [<000000002572b023>] call_timer_fn+0x38/0x200 [<00000000223add62>] __run_timers.part.0+0x319/0x400 [<000000005763942f>] run_timer_softirq+0x3d/0x80 [<00000000b0af7473>] __do_softirq+0xcc/0x2c2 [<000000004cc13bf7>] asm_call_irq_on_stack+0xf/0x20 [<000000000687b4da>] do_softirq_own_stack+0x32/0x40 [<000000004473db26>] irq_exit_rcu+0x91/0xc0 [<00000000ad58621f>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000058b11eea>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000037b98313>] acpi_idle_do_entry+0xc3/0xd0 [<00000000f1a26e67>] acpi_idle_enter+0x128/0x1f0 [<000000001343415c>] cpuidle_enter_state+0xc9/0x650 [<00000000bcbfca5f>] cpuidle_enter+0x29/0x40 [<00000000de00b4fe>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811106c180 (size 32): comm "softirq", pid 0, jiffies 4294943132 (age 13.810s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 02 00 00 09 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b2ecc8d1>] gadget_setup+0xf6/0x220 [<00000000fa60e13b>] dummy_timer+0xb9f/0x14c0 [<000000002572b023>] call_timer_fn+0x38/0x200 [<00000000223add62>] __run_timers.part.0+0x319/0x400 [<000000005763942f>] run_timer_softirq+0x3d/0x80 [<00000000b0af7473>] __do_softirq+0xcc/0x2c2 [<000000004cc13bf7>] asm_call_irq_on_stack+0xf/0x20 [<000000000687b4da>] do_softirq_own_stack+0x32/0x40 [<000000004473db26>] irq_exit_rcu+0x91/0xc0 [<00000000ad58621f>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000058b11eea>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000037b98313>] acpi_idle_do_entry+0xc3/0xd0 [<00000000f1a26e67>] acpi_idle_enter+0x128/0x1f0 [<000000001343415c>] cpuidle_enter_state+0xc9/0x650 [<00000000bcbfca5f>] cpuidle_enter+0x29/0x40 [<00000000de00b4fe>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811106c160 (size 32): comm "softirq", pid 0, jiffies 4294943136 (age 13.770s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 02 00 00 3b 00 ..............;. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b2ecc8d1>] gadget_setup+0xf6/0x220 [<00000000fa60e13b>] dummy_timer+0xb9f/0x14c0 [<000000002572b023>] call_timer_fn+0x38/0x200 [<00000000223add62>] __run_timers.part.0+0x319/0x400 [<000000005763942f>] run_timer_softirq+0x3d/0x80 [<00000000b0af7473>] __do_softirq+0xcc/0x2c2 [<000000004cc13bf7>] asm_call_irq_on_stack+0xf/0x20 [<000000000687b4da>] do_softirq_own_stack+0x32/0x40 [<000000004473db26>] irq_exit_rcu+0x91/0xc0 [<00000000ad58621f>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000058b11eea>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000037b98313>] acpi_idle_do_entry+0xc3/0xd0 [<00000000f1a26e67>] acpi_idle_enter+0x128/0x1f0 [<000000001343415c>] cpuidle_enter_state+0xc9/0x650 [<00000000bcbfca5f>] cpuidle_enter+0x29/0x40 [<00000000de00b4fe>] do_idle+0x1c8/0x250