[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 13.892719][ C1] random: crng init done [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.391990][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.482169][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 25.602036][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 25.612266][ T83] usb 1-1: New USB device found, idVendor=0b3b, idProduct=1601, bcdDevice= 1.73 [ 25.621271][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.631140][ T83] usb 1-1: config 0 descriptor?? [ 25.676495][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Checking for firmware prism2_ru.fw [ 25.689860][ T83] usb 1-1: Direct firmware load for prism2_ru.fw failed with error -2 [ 25.698205][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Firmware not available, but not essential [ 25.710142][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: can continue to use card anyway. [ 25.752169][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): Failed to submit CTLX[1]: error=-2 [ 25.762621][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): CTLX[1] not in a terminating state(Request pending) [ 25.774833][ T83] prism2_usb 1-1:0.0 (unnamed net_device) (uninitialized): CTLX[1] error: state(Request pending) [ 25.891998][ C1] skbuff: skb_under_panic: text:000000002ca765ab len:3088 put:148 head:00000000497d3493 data:00000000eddc1aed tail:0xbf8 end:0xc00 dev: [ 25.906637][ C1] ------------[ cut here ]------------ [ 25.912081][ C1] kernel BUG at net/core/skbuff.c:109! [ 25.917645][ C1] invalid opcode: 0000 [#1] SMP KASAN [ 25.923002][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc5-syzkaller #0 [ 25.930873][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.940932][ C1] RIP: 0010:skb_panic+0x16c/0x16e [ 25.945958][ C1] Code: fc 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 20 8e 90 86 ff 74 24 10 ff 74 24 20 e8 54 b3 66 fc <0f> 0b e8 04 a8 7c fc 4c 8b 64 24 18 e8 ba 64 a5 fc 48 c7 c1 80 9a [ 25.965556][ C1] RSP: 0018:ffff8881db309998 EFLAGS: 00010086 [ 25.971610][ C1] RAX: 000000000000008b RBX: ffff8881ce26c000 RCX: 0000000000000000 [ 25.979565][ C1] RDX: 0000000000000000 RSI: ffffffff812972fd RDI: ffffed103b661325 [ 25.987522][ C1] RBP: ffffffff86909a80 R08: 000000000000008b R09: fffffbfff0fcbdf5 [ 25.995479][ C1] R10: fffffbfff0fcbdf4 R11: ffffffff87e5efa7 R12: ffffffff848a2720 [ 26.003434][ C1] R13: 0000000000000094 R14: ffffffff86908de0 R15: 0000000000000c00 [ 26.011393][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 26.020515][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.027120][ C1] CR2: 0000000020001400 CR3: 00000001ce868000 CR4: 00000000001406e0 [ 26.035080][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.043039][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.050991][ C1] Call Trace: [ 26.054259][ C1] [ 26.057100][ C1] ? hfa384x_usbin_callback+0x920/0x2360 [ 26.062772][ C1] skb_push.cold+0x24/0x24 [ 26.067259][ C1] hfa384x_usbin_callback+0x920/0x2360 [ 26.072700][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 26.078053][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 26.083235][ C1] dummy_timer+0x1258/0x32ae [ 26.087809][ C1] ? dummy_udc_probe+0x930/0x930 [ 26.092731][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.098259][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.103579][ C1] call_timer_fn+0x195/0x6f0 [ 26.108153][ C1] ? dummy_udc_probe+0x930/0x930 [ 26.113072][ C1] ? msleep_interruptible+0x130/0x130 [ 26.118468][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.123996][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.129262][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 26.134442][ C1] ? dummy_udc_probe+0x930/0x930 [ 26.139368][ C1] run_timer_softirq+0x5f9/0x1500 [ 26.144374][ C1] ? add_timer+0x7a0/0x7a0 [ 26.148771][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.154295][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.159562][ C1] __do_softirq+0x21e/0x950 [ 26.164048][ C1] irq_exit+0x178/0x1a0 [ 26.168217][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 26.173745][ C1] apic_timer_interrupt+0xf/0x20 [ 26.178691][ C1] [ 26.181702][ C1] RIP: 0010:default_idle+0x28/0x300 [ 26.186883][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 44 77 72 7a 41 54 55 53 0f 1f 44 00 00 e8 b6 62 b5 fb e9 07 00 00 00 0f 00 2d ea 0c 53 00 fb f4 <65> 44 8b 2d 20 77 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 26.206471][ C1] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 26.214864][ C1] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000 [ 26.222820][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c [ 26.230807][ C1] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000 [ 26.238761][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 26.246713][ C1] R13: 0000000000000001 R14: ffffffff87e607c0 R15: 0000000000000000 [ 26.254675][ C1] ? default_idle+0x1a/0x300 [ 26.259245][ C1] do_idle+0x3e0/0x500 [ 26.263296][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 26.268318][ C1] cpu_startup_entry+0x14/0x20 [ 26.273075][ C1] start_secondary+0x2a4/0x390 [ 26.277833][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90 [ 26.283278][ C1] secondary_startup_64+0xb6/0xc0 [ 26.288281][ C1] Modules linked in: [ 26.292168][ C1] ---[ end trace f557780724ec4016 ]--- [ 26.297620][ C1] RIP: 0010:skb_panic+0x16c/0x16e [ 26.302669][ C1] Code: fc 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 20 8e 90 86 ff 74 24 10 ff 74 24 20 e8 54 b3 66 fc <0f> 0b e8 04 a8 7c fc 4c 8b 64 24 18 e8 ba 64 a5 fc 48 c7 c1 80 9a [ 26.322268][ C1] RSP: 0018:ffff8881db309998 EFLAGS: 00010086 [ 26.328407][ C1] RAX: 000000000000008b RBX: ffff8881ce26c000 RCX: 0000000000000000 [ 26.336427][ C1] RDX: 0000000000000000 RSI: ffffffff812972fd RDI: ffffed103b661325 [ 26.344383][ C1] RBP: ffffffff86909a80 R08: 000000000000008b R09: fffffbfff0fcbdf5 [ 26.352393][ C1] R10: fffffbfff0fcbdf4 R11: ffffffff87e5efa7 R12: ffffffff848a2720 [ 26.360377][ C1] R13: 0000000000000094 R14: ffffffff86908de0 R15: 0000000000000c00 [ 26.368334][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 26.377276][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.383842][ C1] CR2: 0000000020001400 CR3: 00000001ce868000 CR4: 00000000001406e0 [ 26.391796][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.399846][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.407804][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 26.415962][ C1] Kernel Offset: disabled [ 26.420295][ C1] Rebooting in 86400 seconds..