[....] 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[?25l[?1c7[ ok 8[?25h[?0c. [ 26.662738] kauditd_printk_skb: 7 callbacks suppressed [ 26.662752] audit: type=1800 audit(1539372450.729:29): pid=5427 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 26.688180] audit: type=1800 audit(1539372450.729:30): pid=5427 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. 2018/10/12 19:28:34 parsed 1 programs 2018/10/12 19:28:36 executed programs: 0 syzkaller login: [ 92.276218] IPVS: ftp: loaded support on port[0] = 21 [ 92.532074] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.538703] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.546173] device bridge_slave_0 entered promiscuous mode [ 92.564325] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.571051] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.577909] device bridge_slave_1 entered promiscuous mode [ 92.595818] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 92.614347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 92.665266] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 92.685624] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 92.761243] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 92.769327] team0: Port device team_slave_0 added [ 92.788417] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 92.795489] team0: Port device team_slave_1 added [ 92.812237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.833195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.852176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.871934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.017217] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.023671] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.030528] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.036875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.550804] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.603103] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.655385] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 93.661590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.669879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.720176] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.041749] ------------[ cut here ]------------ [ 94.046559] usb usb7: BOGUS urb flags, 1 --> 0 [ 94.052413] WARNING: CPU: 1 PID: 5851 at drivers/usb/core/urb.c:503 usb_submit_urb+0x717/0x14e0 [ 94.061258] Kernel panic - not syncing: panic_on_warn set ... [ 94.061258] [ 94.068701] CPU: 1 PID: 5851 Comm: syz-executor0 Not tainted 4.19.0-rc7-next-20181012+ #93 [ 94.077089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.086435] Call Trace: [ 94.089009] dump_stack+0x244/0x3ab [ 94.092622] ? dump_stack_print_info.cold.2+0x52/0x52 [ 94.097818] panic+0x238/0x4e7 [ 94.101010] ? add_taint.cold.5+0x16/0x16 [ 94.105155] ? __warn.cold.8+0x148/0x1ba [ 94.109199] ? __warn.cold.8+0x117/0x1ba [ 94.113260] ? usb_submit_urb+0x717/0x14e0 [ 94.117475] __warn.cold.8+0x163/0x1ba [ 94.121346] ? rcu_softirq_qs+0x20/0x20 [ 94.125301] ? usb_submit_urb+0x717/0x14e0 [ 94.129531] report_bug+0x254/0x2d0 [ 94.133154] do_error_trap+0x11b/0x200 [ 94.137022] do_invalid_op+0x36/0x40 [ 94.140714] ? usb_submit_urb+0x717/0x14e0 [ 94.144933] invalid_op+0x14/0x20 [ 94.148369] RIP: 0010:usb_submit_urb+0x717/0x14e0 [ 94.153320] Code: 7b fc 48 8b 45 d0 48 8d b8 a0 00 00 00 e8 a1 63 44 ff 45 89 e0 44 89 e9 4c 89 fa 48 89 c6 48 c7 c7 a0 f7 71 88 e8 09 87 45 fc <0f> 0b e8 42 f9 7b fc 48 c7 c6 a0 f8 71 88 4c 89 f7 e8 83 fa 7b fc [ 94.172226] RSP: 0018:ffff8801b924f268 EFLAGS: 00010286 [ 94.177588] RAX: 0000000000000000 RBX: ffff8801d75cfc00 RCX: 0000000000000000 [ 94.184853] RDX: 0000000000000000 RSI: ffffffff8164bc15 RDI: 0000000000000005 [ 94.192108] RBP: ffff8801b924f2d8 R08: ffff8801b8bb0580 R09: ffffed003b5e5008 [ 94.199367] R10: ffffed003b5e5008 R11: ffff8801daf28047 R12: 0000000000000000 [ 94.206629] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801cd8cc480 [ 94.213914] ? vprintk_func+0x85/0x181 [ 94.217794] ? usb_submit_urb+0x717/0x14e0 [ 94.222021] ? snoop_urb_data+0x322/0x3a0 [ 94.226162] proc_do_submiturb+0x1b78/0x4010 [ 94.230559] ? find_held_lock+0x36/0x1c0 [ 94.234621] ? __might_fault+0x31/0x1e0 [ 94.238590] ? free_async+0x560/0x560 [ 94.242401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.247947] ? _copy_from_user+0xdf/0x150 [ 94.252085] proc_submiturb_compat+0x544/0x800 [ 94.256759] ? proc_do_submiturb+0x4010/0x4010 [ 94.261342] ? mark_held_locks+0x130/0x130 [ 94.265567] usbdev_do_ioctl+0x19a2/0x3b50 [ 94.269794] ? parse_usbdevfs_streams+0x4f0/0x4f0 [ 94.274626] ? mntput_no_expire+0x1e6/0xc00 [ 94.278930] ? print_usage_bug+0xc0/0xc0 [ 94.282974] ? print_usage_bug+0xc0/0xc0 [ 94.287017] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 94.292192] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 94.297295] ? futex_wake+0x304/0x760 [ 94.301088] ? __lock_acquire+0x678/0x4da0 [ 94.305348] ? find_held_lock+0x36/0x1c0 [ 94.309450] ? mark_held_locks+0x130/0x130 [ 94.313677] ? do_futex+0x249/0x26d0 [ 94.317384] ? rcu_softirq_qs+0x20/0x20 [ 94.321352] ? rcu_softirq_qs+0x20/0x20 [ 94.325314] ? unwind_dump+0x190/0x190 [ 94.329235] ? exit_robust_list+0x280/0x280 [ 94.333585] ? kernel_text_address+0x79/0xf0 [ 94.337987] ? __kernel_text_address+0xd/0x40 [ 94.342476] ? unwind_get_return_address+0x61/0xa0 [ 94.347396] ? zap_class+0x640/0x640 [ 94.351098] ? save_stack+0xa9/0xd0 [ 94.354711] ? save_stack+0x43/0xd0 [ 94.358319] ? __kasan_slab_free+0x102/0x150 [ 94.362801] ? find_held_lock+0x36/0x1c0 [ 94.366860] ? __might_fault+0x12b/0x1e0 [ 94.370913] ? lock_downgrade+0x900/0x900 [ 94.375070] usbdev_ioctl+0x25/0x30 [ 94.378684] ? usbdev_compat_ioctl+0x30/0x30 [ 94.383079] do_vfs_ioctl+0x1de/0x1720 [ 94.386974] ? ioctl_preallocate+0x300/0x300 [ 94.391371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.396900] ? __fget_light+0x2e9/0x430 [ 94.400878] ? fget_raw+0x20/0x20 [ 94.404316] ? _copy_to_user+0xc8/0x110 [ 94.408275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.413805] ? put_timespec64+0x10f/0x1b0 [ 94.417955] ? nsecs_to_jiffies+0x30/0x30 [ 94.422097] ? do_syscall_64+0x9a/0x820 [ 94.426060] ? do_syscall_64+0x9a/0x820 [ 94.430020] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 94.434591] ? security_file_ioctl+0x94/0xc0 [ 94.438987] ksys_ioctl+0xa9/0xd0 [ 94.442428] __x64_sys_ioctl+0x73/0xb0 [ 94.446310] do_syscall_64+0x1b9/0x820 [ 94.450184] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 94.455563] ? syscall_return_slowpath+0x5e0/0x5e0 [ 94.460478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.465308] ? trace_hardirqs_on_caller+0x310/0x310 [ 94.470313] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 94.475321] ? prepare_exit_to_usermode+0x291/0x3b0 [ 94.480326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.485159] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.490362] RIP: 0033:0x457569 [ 94.493571] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.512455] RSP: 002b:00007fffd54bb2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.520163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 94.527417] RDX: 0000000020000080 RSI: 00000000802c550a RDI: 0000000000000003 [ 94.534668] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 94.541923] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000f4c914 [ 94.549176] R13: 00000000004bf6ac R14: 00000000004cf598 R15: 00000000ffffffff [ 94.557405] Kernel Offset: disabled [ 94.561077] Rebooting in 86400 seconds..