[ 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. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 34.995484][ T8441] sshd (8441) used greatest stack depth: 11520 bytes left Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. executing program [ 98.834991][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 99.104940][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 99.385014][ T17] usb 1-1: New USB device found, idVendor=2770, idProduct=913d, bcdDevice=eb.ea [ 99.394178][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 99.402356][ T17] usb 1-1: Product: syz [ 99.406644][ T17] usb 1-1: Manufacturer: syz [ 99.411214][ T17] usb 1-1: SerialNumber: syz [ 99.416584][ T17] usb 1-1: config 0 descriptor?? [ 99.457019][ T17] gspca_main: sq905c-2.14.0 probing 2770:913d write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 99.674912][ T17] gspca_sq905c: sq905c_command: usb_control_msg failed (-71) [ 99.682281][ T17] sq905c 1-1:0.0: Get version command failed [ 99.688785][ T17] sq905c: probe of 1-1:0.0 failed with error -71 [ 99.696130][ T17] usb 1-1: USB disconnect, device number 2 executing program [ 105.034382][ T17] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 105.274361][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 105.554385][ T17] usb 1-1: New USB device found, idVendor=2770, idProduct=913d, bcdDevice=eb.ea [ 105.563421][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 105.571812][ T17] usb 1-1: Product: syz [ 105.576342][ T17] usb 1-1: Manufacturer: syz [ 105.580929][ T17] usb 1-1: SerialNumber: syz [ 105.587446][ T17] usb 1-1: config 0 descriptor?? [ 105.626200][ T17] gspca_main: sq905c-2.14.0 probing 2770:913d write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 105.844380][ T17] gspca_sq905c: sq905c_command: usb_control_msg failed (-71) [ 105.851777][ T17] sq905c 1-1:0.0: Get version command failed [ 105.858276][ T17] sq905c: probe of 1-1:0.0 failed with error -71 [ 105.865590][ T17] usb 1-1: USB disconnect, device number 3 executing program [ 112.243791][ T17] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 112.483863][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 112.763830][ T17] usb 1-1: New USB device found, idVendor=2770, idProduct=913d, bcdDevice=eb.ea [ 112.772925][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 112.781128][ T17] usb 1-1: Product: syz [ 112.785527][ T17] usb 1-1: Manufacturer: syz [ 112.790093][ T17] usb 1-1: SerialNumber: syz [ 112.795365][ T17] usb 1-1: config 0 descriptor?? [ 112.835645][ T17] gspca_main: sq905c-2.14.0 probing 2770:913d write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 113.063741][ T17] gspca_sq905c: sq905c_command: usb_control_msg failed (-71) [ 113.071139][ T17] sq905c 1-1:0.0: Get version command failed [ 113.077891][ T17] sq905c: probe of 1-1:0.0 failed with error -71 [ 113.085059][ T17] usb 1-1: USB disconnect, device number 4 executing program [ 119.373271][ T17] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 119.613289][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 119.893290][ T17] usb 1-1: New USB device found, idVendor=2770, idProduct=913d, bcdDevice=eb.ea [ 119.902427][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 119.910805][ T17] usb 1-1: Product: syz [ 119.915199][ T17] usb 1-1: Manufacturer: syz [ 119.919787][ T17] usb 1-1: SerialNumber: syz [ 119.925135][ T17] usb 1-1: config 0 descriptor?? [ 119.965100][ T17] gspca_main: sq905c-2.14.0 probing 2770:913d write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 120.183225][ T17] gspca_sq905c: sq905c_command: usb_control_msg failed (-71) [ 120.190729][ T17] sq905c 1-1:0.0: Get version command failed [ 120.197199][ T17] sq905c: probe of 1-1:0.0 failed with error -71 [ 120.205535][ T17] usb 1-1: USB disconnect, device number 5 executing program [ 125.552908][ T17] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 125.792895][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 126.092935][ T17] usb 1-1: New USB device found, idVendor=2770, idProduct=913d, bcdDevice=eb.ea [ 126.101994][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 126.110390][ T17] usb 1-1: Product: syz [ 126.114765][ T17] usb 1-1: Manufacturer: syz [ 126.119395][ T17] usb 1-1: SerialNumber: syz [ 126.124797][ T17] usb 1-1: config 0 descriptor?? [ 126.174709][ T17] gspca_main: sq905c-2.14.0 probing 2770:913d write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 126.382853][ T17] gspca_sq905c: sq905c_command: usb_control_msg failed (-71) [ 126.390254][ T17] sq905c 1-1:0.0: Get version command failed [ 126.396827][ T17] sq905c: probe of 1-1:0.0 failed with error -71 [ 126.404469][ T17] usb 1-1: USB disconnect, device number 6 [ 131.362038][ T8479] kmemleak: 9 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810d5ff800 (size 2048): comm "kworker/1:0", pid 17, jiffies 4294949188 (age 14.280s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [<00000000f0428224>] usb_alloc_dev+0x32/0x450 [<000000001802b3dd>] hub_event+0x118d/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff888112544c40 (size 32): comm "kworker/1:0", pid 17, jiffies 4294949188 (age 14.280s) hex dump (first 32 bytes): 31 2d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 1-1............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000d0f4aa93>] kvasprintf+0x6c/0xf0 [<000000005866b3ad>] kvasprintf_const+0x58/0x110 [<00000000b590b008>] kobject_set_name_vargs+0x3b/0xe0 [<00000000d251a578>] dev_set_name+0x63/0x90 [<0000000075b37c03>] usb_alloc_dev+0x1ee/0x450 [<000000001802b3dd>] hub_event+0x118d/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff888112544ce0 (size 32): comm "kworker/1:0", pid 17, jiffies 4294949231 (age 13.850s) hex dump (first 32 bytes): 00 4d 54 12 81 88 ff ff 00 00 00 00 00 00 00 00 .MT............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000005516ca37>] usb_get_configuration+0xce/0x1dd0 [<000000009ab33a39>] usb_new_device+0x1a9/0x2e0 [<0000000069b10350>] hub_event+0x144a/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff888112544bc0 (size 32): comm "kworker/1:0", pid 17, jiffies 4294949247 (age 13.690s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b344f779>] usb_cache_string+0x8a/0xf0 [<0000000074577e65>] usb_new_device+0x98/0x2e0 [<0000000069b10350>] hub_event+0x144a/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff888112544cc0 (size 32): comm "kworker/1:0", pid 17, jiffies 4294949251 (age 13.650s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b344f779>] usb_cache_string+0x8a/0xf0 [<000000003d5bd90b>] usb_new_device+0xae/0x2e0 [<0000000069b10350>] hub_event+0x144a/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff888112544d40 (size 32): comm "kworker/1:0", pid 17, jiffies 4294949255 (age 13.610s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b344f779>] usb_cache_string+0x8a/0xf0 [<000000007392d5f6>] usb_new_device+0xc4/0x2e0 [<0000000069b10350>] hub_event+0x144a/0x20d0 [<0000000092d3650d>] process_one_work+0x27d/0x590 [<00000000d4629ab0>] worker_thread+0x59/0x5d0 [<000000003c358b45>] kthread+0x178/0x1b0 [<000000003689dbb0>] ret_from_fork+0x1f/0x30 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory