[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   14.207989][ T1730] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   14.334566][    C1] random: crng init done

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   37.171120][   T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   37.381574][   T95] usb 1-1: config 0 has an invalid interface number: 130 but max is 0
[   37.389846][   T95] usb 1-1: config 0 has no interface number 0
[   37.396026][   T95] usb 1-1: config 0 interface 130 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7
[   37.407107][   T95] usb 1-1: New USB device found, idVendor=2040, idProduct=8265, bcdDevice=f3.4a
[   37.416211][   T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   37.425820][   T95] usb 1-1: config 0 descriptor??
[   37.463406][   T95] em28xx 1-1:0.130: New device   @ 480 Mbps (2040:8265, interface 130, class 130)
[   37.472801][   T95] em28xx 1-1:0.130: Audio interface 130 found (Vendor Class)
executing program
[   37.741141][   T95] em28xx 1-1:0.130: unknown em28xx chip ID (0)
[   37.761143][   T95] em28xx 1-1:0.130: Config register raw data: 0xfffffffb
[   37.781115][   T95] em28xx 1-1:0.130: AC97 chip type couldn't be determined
[   37.788313][   T95] em28xx 1-1:0.130: No AC97 audio processor
[   37.794338][   T95] em28xx 1-1:0.130: We currently don't support analog TV or stream capture on dual tuners.
[   37.931132][   T95] em28xx 1-1:0.130: unknown em28xx chip ID (0)
[   37.951142][   T95] em28xx 1-1:0.130: Config register raw data: 0xfffffffb
[   37.971142][   T95] em28xx 1-1:0.130: AC97 chip type couldn't be determined
[   37.978275][   T95] em28xx 1-1:0.130: No AC97 audio processor
[   38.224848][   T95] usb 1-1: USB disconnect, device number 2
[   38.232074][   T95] em28xx 1-1:0.130: Disconnecting em28xx #1
[   38.237982][   T95] em28xx 1-1:0.130: Disconnecting em28xx
[   38.245675][   T95] em28xx 1-1:0.130: Freeing device
[   38.250808][   T95] em28xx 1-1:0.130: Freeing device
[   38.601070][   T95] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[   38.811636][   T95] usb 1-1: config 0 has an invalid interface number: 130 but max is 0
[   38.819843][   T95] usb 1-1: config 0 has no interface number 0
[   38.825975][   T95] usb 1-1: config 0 interface 130 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7
[   38.837045][   T95] usb 1-1: New USB device found, idVendor=2040, idProduct=8265, bcdDevice=f3.4a
[   38.846109][   T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   38.855389][   T95] usb 1-1: config 0 descriptor??
[   38.892906][   T95] em28xx 1-1:0.130: New device   @ 480 Mbps (2040:8265, interface 130, class 130)
[   38.902200][   T95] em28xx 1-1:0.130: Audio interface 130 found (Vendor Class)
executing program
[   39.151164][   T95] em28xx 1-1:0.130: unknown em28xx chip ID (0)
[   39.171170][   T95] em28xx 1-1:0.130: Config register raw data: 0xfffffffb
[   39.191125][   T95] em28xx 1-1:0.130: AC97 chip type couldn't be determined
[   39.198258][   T95] em28xx 1-1:0.130: No AC97 audio processor
[   39.204238][   T95] list_add corruption. prev->next should be next (ffffffff87a52460), but was ffffffff811ae26b. (prev=ffff8881c76d4240).
[   39.216971][   T95] ------------[ cut here ]------------
[   39.222419][   T95] kernel BUG at lib/list_debug.c:26!
[   39.227747][   T95] invalid opcode: 0000 [#1] SMP KASAN
[   39.233109][   T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0
[   39.241252][   T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.251341][   T95] Workqueue: usb_hub_wq hub_event
[   39.256364][   T95] RIP: 0010:__list_add_valid.cold+0x3a/0x3c
[   39.262243][   T95] Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 20 27 fc 85 e8 f4 b4 3e ff 0f 0b 48 89 f1 48 c7 c7 a0 26 fc 85 4c 89 e6 e8 e0 b4 3e ff <0f> 0b 48 89 ee 48 c7 c7 40 28 fc 85 e8 cf b4 3e ff 0f 0b 4c 89 ea
[   39.281893][   T95] RSP: 0018:ffff8881d596f0a8 EFLAGS: 00010286
[   39.287948][   T95] RAX: 0000000000000075 RBX: ffff8881cd6a4120 RCX: 0000000000000000
[   39.295904][   T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab2de07
[   39.303864][   T95] RBP: ffff8881cd6a4240 R08: 0000000000000075 R09: ffffed103b666248
[   39.311865][   T95] R10: ffffed103b666247 R11: ffff8881db33123f R12: ffffffff87a52460
[   39.319827][   T95] R13: ffff8881cd6a4000 R14: ffff8881cd6a412c R15: ffff8881cd561000
[   39.327786][   T95] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   39.336695][   T95] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.343273][   T95] CR2: 00007fbd7f6ce000 CR3: 00000001d3164000 CR4: 00000000001406e0
[   39.351238][   T95] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.359190][   T95] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.367149][   T95] Call Trace:
[   39.370423][   T95]  em28xx_init_extension+0x44/0x1f0
[   39.375621][   T95]  em28xx_init_dev.isra.0+0xa7b/0x15d8
[   39.381058][   T95]  ? _dev_info+0xd7/0x109
[   39.385366][   T95]  ? em28xx_usb_disconnect.cold+0x284/0x284
[   39.391248][   T95]  ? lockdep_init_map+0x1b0/0x5e0
[   39.396260][   T95]  ? lockdep_init_map+0x1b0/0x5e0
[   39.401260][   T95]  em28xx_usb_probe.cold+0xcac/0x2515
[   39.406614][   T95]  usb_probe_interface+0x310/0x800
[   39.411701][   T95]  ? usb_probe_device+0x230/0x230
[   39.416707][   T95]  really_probe+0x290/0xac0
[   39.421187][   T95]  driver_probe_device+0x223/0x350
[   39.426275][   T95]  __device_attach_driver+0x1d1/0x290
[   39.431637][   T95]  ? driver_allows_async_probing+0x160/0x160
[   39.437630][   T95]  bus_for_each_drv+0x162/0x1e0
[   39.442503][   T95]  ? bus_rescan_devices+0x20/0x20
[   39.447503][   T95]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   39.453286][   T95]  ? lockdep_hardirqs_on+0x382/0x580
[   39.458545][   T95]  __device_attach+0x217/0x390
[   39.463283][   T95]  ? device_bind_driver+0xd0/0xd0
[   39.468281][   T95]  bus_probe_device+0x1e4/0x290
[   39.473120][   T95]  device_add+0x1459/0x1bf0
[   39.477611][   T95]  ? wait_for_completion+0x3c0/0x3c0
[   39.482891][   T95]  ? device_link_remove+0x110/0x110
[   39.488069][   T95]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   39.493945][   T95]  usb_set_configuration+0xe47/0x17d0
[   39.499312][   T95]  usb_generic_driver_probe+0x9d/0xe0
[   39.504670][   T95]  usb_probe_device+0xd9/0x230
[   39.509414][   T95]  ? usb_suspend+0x5f0/0x5f0
[   39.513989][   T95]  really_probe+0x290/0xac0
[   39.518471][   T95]  driver_probe_device+0x223/0x350
[   39.523567][   T95]  __device_attach_driver+0x1d1/0x290
[   39.528916][   T95]  ? driver_allows_async_probing+0x160/0x160
[   39.534871][   T95]  bus_for_each_drv+0x162/0x1e0
[   39.539708][   T95]  ? bus_rescan_devices+0x20/0x20
[   39.544708][   T95]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   39.550500][   T95]  ? lockdep_hardirqs_on+0x382/0x580
[   39.555759][   T95]  __device_attach+0x217/0x390
[   39.560496][   T95]  ? device_bind_driver+0xd0/0xd0
[   39.565492][   T95]  bus_probe_device+0x1e4/0x290
[   39.570319][   T95]  device_add+0x1459/0x1bf0
[   39.574796][   T95]  ? device_link_remove+0x110/0x110
[   39.579992][   T95]  usb_new_device.cold+0x540/0xcd0
[   39.585095][   T95]  hub_event+0x21cb/0x4300
[   39.589485][   T95]  ? hub_port_debounce+0x350/0x350
[   39.594585][   T95]  ? find_held_lock+0x2d/0x110
[   39.599325][   T95]  ? mark_held_locks+0xe0/0xe0
[   39.604066][   T95]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   39.609585][   T95]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   39.614848][   T95]  process_one_work+0x94b/0x1620
[   39.619767][   T95]  ? pwq_dec_nr_in_flight+0x310/0x310
[   39.625142][   T95]  ? do_raw_spin_lock+0x129/0x290
[   39.630140][   T95]  worker_thread+0x7ab/0xe20
[   39.634717][   T95]  ? process_one_work+0x1620/0x1620
[   39.639895][   T95]  kthread+0x318/0x420
[   39.643985][   T95]  ? kthread_create_on_node+0xf0/0xf0
[   39.649336][   T95]  ret_from_fork+0x24/0x30
[   39.653725][   T95] Modules linked in:
[   39.657694][   T95] ---[ end trace 3c4f7f20ae2983c7 ]---
[   39.663163][   T95] RIP: 0010:__list_add_valid.cold+0x3a/0x3c
[   39.669030][   T95] Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 20 27 fc 85 e8 f4 b4 3e ff 0f 0b 48 89 f1 48 c7 c7 a0 26 fc 85 4c 89 e6 e8 e0 b4 3e ff <0f> 0b 48 89 ee 48 c7 c7 40 28 fc 85 e8 cf b4 3e ff 0f 0b 4c 89 ea
[   39.688637][   T95] RSP: 0018:ffff8881d596f0a8 EFLAGS: 00010286
[   39.694718][   T95] RAX: 0000000000000075 RBX: ffff8881cd6a4120 RCX: 0000000000000000
[   39.702733][   T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab2de07
[   39.710691][   T95] RBP: ffff8881cd6a4240 R08: 0000000000000075 R09: ffffed103b666248
[   39.718681][   T95] R10: ffffed103b666247 R11: ffff8881db33123f R12: ffffffff87a52460
[   39.726701][   T95] R13: ffff8881cd6a4000 R14: ffff8881cd6a412c R15: ffff8881cd561000
[   39.734681][   T95] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   39.743615][   T95] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.750316][   T95] CR2: 00007fbd7f6ce000 CR3: 00000001d3164000 CR4: 00000000001406e0
[   39.758309][   T95] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.766292][   T95] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.774266][   T95] Kernel panic - not syncing: Fatal exception
[   39.780841][   T95] Kernel Offset: disabled
[   39.785153][   T95] Rebooting in 86400 seconds..