Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.611241][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 73.851214][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 73.971221][ T12] usb 1-1: config 0 has an invalid interface number: 122 but max is 0 [ 73.979485][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 73.989564][ T12] usb 1-1: config 0 has no interface number 0 [ 73.995657][ T12] usb 1-1: config 0 interface 122 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 0 [ 74.005553][ T12] usb 1-1: New USB device found, idVendor=0595, idProduct=4343, bcdDevice= 1.06 [ 74.014555][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.023514][ T12] usb 1-1: config 0 descriptor?? [ 74.061818][ T12] usb-storage 1-1:0.122: USB Mass Storage device detected [ 74.103307][ T12] zr364xx 1-1:0.122: Zoran 364xx compatible webcam plugged [ 74.110487][ T12] zr364xx 1-1:0.122: model 0595:4343 detected [ 74.116731][ T12] usb 1-1: 320x240 mode selected [ 74.121781][ T12] zr364xx: start read pipe failed executing program [ 74.272064][ T12] usb 1-1: Zoran 364xx controlling device video0 [ 74.279267][ T12] usb 1-1: USB disconnect, device number 2 [ 74.286437][ T12] zr364xx 1-1:0.122: Zoran 364xx webcam unplugged [ 74.641173][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 74.881227][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 75.001231][ T12] usb 1-1: config 0 has an invalid interface number: 122 but max is 0 [ 75.009390][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 75.019498][ T12] usb 1-1: config 0 has no interface number 0 [ 75.025714][ T12] usb 1-1: config 0 interface 122 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 0 [ 75.035759][ T12] usb 1-1: New USB device found, idVendor=0595, idProduct=4343, bcdDevice= 1.06 [ 75.044777][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 75.053397][ T12] usb 1-1: config 0 descriptor?? [ 75.092291][ T12] usb-storage 1-1:0.122: USB Mass Storage device detected [ 75.133082][ T12] zr364xx 1-1:0.122: Zoran 364xx compatible webcam plugged [ 75.140255][ T12] zr364xx 1-1:0.122: model 0595:4343 detected [ 75.146454][ T12] usb 1-1: 320x240 mode selected [ 75.151498][ T12] zr364xx: start read pipe failed executing program [ 75.321826][ T12] usb 1-1: Zoran 364xx controlling device video0 [ 75.329019][ T12] usb 1-1: USB disconnect, device number 3 [ 75.426757][ T1761] ================================================================== [ 75.435007][ T1761] BUG: KASAN: null-ptr-deref in read_word_at_a_time+0xe/0x20 [ 75.442364][ T1761] Read of size 1 at addr 0000000000000000 by task v4l_id/1761 [ 75.449801][ T1761] [ 75.452115][ T1761] CPU: 1 PID: 1761 Comm: v4l_id Not tainted 5.2.0-rc6+ #13 [ 75.459289][ T1761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.469322][ T1761] Call Trace: [ 75.472590][ T1761] dump_stack+0xca/0x13e [ 75.476842][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.481870][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.486880][ T1761] __kasan_report.cold+0x5/0x32 [ 75.491716][ T1761] ? mutex_trylock+0x1a0/0x1a0 [ 75.496452][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.501454][ T1761] kasan_report+0xe/0x20 [ 75.505672][ T1761] read_word_at_a_time+0xe/0x20 [ 75.510504][ T1761] strscpy+0x8a/0x280 [ 75.514491][ T1761] zr364xx_vidioc_querycap+0xb0/0x210 [ 75.519951][ T1761] ? is_module_text_address+0xc/0x1a [ 75.525212][ T1761] v4l_querycap+0x121/0x340 [ 75.529699][ T1761] __video_do_ioctl+0x5b0/0xb30 [ 75.534524][ T1761] ? copy_overflow+0x30/0x30 [ 75.539168][ T1761] ? stack_trace_save+0x9f/0xe0 [ 75.544013][ T1761] ? stack_trace_consume_entry+0x180/0x180 [ 75.549793][ T1761] video_usercopy+0x446/0xee0 [ 75.554457][ T1761] ? copy_overflow+0x30/0x30 [ 75.559019][ T1761] ? __kprobes_text_end+0x10dc28/0x10dc28 [ 75.564738][ T1761] ? v4l_enumstd+0x60/0x60 [ 75.569133][ T1761] ? debug_check_no_obj_freed+0x20a/0x42e [ 75.574819][ T1761] ? do_raw_spin_lock+0x11a/0x280 [ 75.579819][ T1761] ? video_usercopy+0xee0/0xee0 [ 75.584648][ T1761] v4l2_ioctl+0x147/0x1a0 [ 75.588959][ T1761] ? video_devdata+0xa0/0xa0 [ 75.593521][ T1761] do_vfs_ioctl+0xcda/0x12e0 [ 75.598081][ T1761] ? quarantine_put+0xb2/0x150 [ 75.602811][ T1761] ? ioctl_preallocate+0x200/0x200 [ 75.607892][ T1761] ? putname+0xe1/0x120 [ 75.612019][ T1761] ? putname+0xe1/0x120 [ 75.616150][ T1761] ? rcu_read_lock_sched_held+0x113/0x130 [ 75.621836][ T1761] ? kmem_cache_free+0x258/0x2a0 [ 75.626752][ T1761] ? putname+0xe1/0x120 [ 75.630880][ T1761] ? do_sys_open+0x2e7/0x580 [ 75.635447][ T1761] ? filp_open+0x70/0x70 [ 75.639659][ T1761] ksys_ioctl+0x9b/0xc0 [ 75.643787][ T1761] __x64_sys_ioctl+0x6f/0xb0 [ 75.648365][ T1761] ? lockdep_hardirqs_on+0x379/0x580 [ 75.653696][ T1761] do_syscall_64+0xb7/0x560 [ 75.658214][ T1761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.664091][ T1761] RIP: 0033:0x7fedf98f4347 [ 75.668549][ T1761] Code: 90 90 90 48 8b 05 f1 fa 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 fa 2a 00 31 d2 48 29 c2 64 [ 75.688334][ T1761] RSP: 002b:00007ffcf1155e48 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 75.696723][ T1761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fedf98f4347 [ 75.704675][ T1761] RDX: 00007ffcf1155e50 RSI: 0000000080685600 RDI: 0000000000000003 [ 75.712620][ T1761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 75.720562][ T1761] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000400884 [ 75.728516][ T1761] R13: 00007ffcf1155fa0 R14: 0000000000000000 R15: 0000000000000000 [ 75.736458][ T1761] ================================================================== [ 75.744482][ T1761] Disabling lock debugging due to kernel taint [ 75.750867][ T1761] Kernel panic - not syncing: panic_on_warn set ... [ 75.757449][ T1761] CPU: 1 PID: 1761 Comm: v4l_id Tainted: G B 5.2.0-rc6+ #13 [ 75.765996][ T1761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.776020][ T1761] Call Trace: [ 75.779320][ T1761] dump_stack+0xca/0x13e [ 75.783607][ T1761] panic+0x292/0x6c9 [ 75.787509][ T1761] ? __warn_printk+0xf3/0xf3 [ 75.792078][ T1761] ? retint_kernel+0x10/0x10 [ 75.796644][ T1761] ? trace_hardirqs_on+0x55/0x1c0 [ 75.801651][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.806661][ T1761] end_report+0x43/0x49 [ 75.810786][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.815791][ T1761] __kasan_report.cold+0xd/0x32 [ 75.820614][ T1761] ? mutex_trylock+0x1a0/0x1a0 [ 75.825345][ T1761] ? read_word_at_a_time+0xe/0x20 [ 75.830373][ T1761] kasan_report+0xe/0x20 [ 75.834601][ T1761] read_word_at_a_time+0xe/0x20 [ 75.839422][ T1761] strscpy+0x8a/0x280 [ 75.843375][ T1761] zr364xx_vidioc_querycap+0xb0/0x210 [ 75.848727][ T1761] ? is_module_text_address+0xc/0x1a [ 75.853977][ T1761] v4l_querycap+0x121/0x340 [ 75.858450][ T1761] __video_do_ioctl+0x5b0/0xb30 [ 75.863280][ T1761] ? copy_overflow+0x30/0x30 [ 75.867845][ T1761] ? stack_trace_save+0x9f/0xe0 [ 75.872669][ T1761] ? stack_trace_consume_entry+0x180/0x180 [ 75.878458][ T1761] video_usercopy+0x446/0xee0 [ 75.883120][ T1761] ? copy_overflow+0x30/0x30 [ 75.887684][ T1761] ? __kprobes_text_end+0x10dc28/0x10dc28 [ 75.893369][ T1761] ? v4l_enumstd+0x60/0x60 [ 75.897755][ T1761] ? debug_check_no_obj_freed+0x20a/0x42e [ 75.903448][ T1761] ? do_raw_spin_lock+0x11a/0x280 [ 75.908441][ T1761] ? video_usercopy+0xee0/0xee0 [ 75.913255][ T1761] v4l2_ioctl+0x147/0x1a0 [ 75.917559][ T1761] ? video_devdata+0xa0/0xa0 [ 75.922124][ T1761] do_vfs_ioctl+0xcda/0x12e0 [ 75.926868][ T1761] ? quarantine_put+0xb2/0x150 [ 75.931616][ T1761] ? ioctl_preallocate+0x200/0x200 [ 75.936693][ T1761] ? putname+0xe1/0x120 [ 75.940818][ T1761] ? putname+0xe1/0x120 [ 75.944957][ T1761] ? rcu_read_lock_sched_held+0x113/0x130 [ 75.950679][ T1761] ? kmem_cache_free+0x258/0x2a0 [ 75.955591][ T1761] ? putname+0xe1/0x120 [ 75.959772][ T1761] ? do_sys_open+0x2e7/0x580 [ 75.964330][ T1761] ? filp_open+0x70/0x70 [ 75.968538][ T1761] ksys_ioctl+0x9b/0xc0 [ 75.972660][ T1761] __x64_sys_ioctl+0x6f/0xb0 [ 75.977312][ T1761] ? lockdep_hardirqs_on+0x379/0x580 [ 75.982564][ T1761] do_syscall_64+0xb7/0x560 [ 75.987033][ T1761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.992890][ T1761] RIP: 0033:0x7fedf98f4347 [ 75.997280][ T1761] Code: 90 90 90 48 8b 05 f1 fa 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 fa 2a 00 31 d2 48 29 c2 64 [ 76.016855][ T1761] RSP: 002b:00007ffcf1155e48 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 76.025287][ T1761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fedf98f4347 [ 76.033232][ T1761] RDX: 00007ffcf1155e50 RSI: 0000000080685600 RDI: 0000000000000003 [ 76.041187][ T1761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.049134][ T1761] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000400884 [ 76.057080][ T1761] R13: 00007ffcf1155fa0 R14: 0000000000000000 R15: 0000000000000000 [ 76.065318][ T1761] Kernel Offset: disabled [ 76.069626][ T1761] Rebooting in 86400 seconds..