[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.000658] audit: type=1800 audit(1538820508.574:25): pid=5647 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 36.026246] audit: type=1800 audit(1538820508.574:26): pid=5647 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.047718] audit: type=1800 audit(1538820508.574:27): pid=5647 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.0.2' (ECDSA) to the list of known hosts. 2018/10/06 10:08:56 parsed 1 programs 2018/10/06 10:08:58 executed programs: 0 syzkaller login: [ 66.266941] IPVS: ftp: loaded support on port[0] = 21 [ 66.269239] IPVS: ftp: loaded support on port[0] = 21 [ 66.278297] IPVS: ftp: loaded support on port[0] = 21 [ 66.292419] IPVS: ftp: loaded support on port[0] = 21 [ 66.309010] IPVS: ftp: loaded support on port[0] = 21 [ 66.319189] IPVS: ftp: loaded support on port[0] = 21 [ 66.889655] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.899683] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.907072] device bridge_slave_0 entered promiscuous mode [ 66.919619] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.925958] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.934080] device bridge_slave_0 entered promiscuous mode [ 66.953243] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.963941] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.971524] device bridge_slave_1 entered promiscuous mode [ 66.979067] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.985408] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.993267] device bridge_slave_0 entered promiscuous mode [ 67.011922] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.019351] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.026804] device bridge_slave_1 entered promiscuous mode [ 67.033085] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.043642] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.050199] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.057394] device bridge_slave_0 entered promiscuous mode [ 67.064753] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.074568] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.081789] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.088970] device bridge_slave_0 entered promiscuous mode [ 67.096235] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.105334] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.112296] device bridge_slave_1 entered promiscuous mode [ 67.119421] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.126973] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.133315] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.142818] device bridge_slave_0 entered promiscuous mode [ 67.150669] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.160128] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.166460] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.173599] device bridge_slave_1 entered promiscuous mode [ 67.180015] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.186348] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.193515] device bridge_slave_1 entered promiscuous mode [ 67.200664] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.216058] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.223775] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.230775] device bridge_slave_1 entered promiscuous mode [ 67.239988] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.249197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.260618] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.276883] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.294919] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.305695] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.318875] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.328109] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.336790] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.352186] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.389068] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.433333] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.446334] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.457215] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.465444] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.497222] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.505442] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.518585] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.532964] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.577615] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.585629] team0: Port device team_slave_0 added [ 67.612551] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.625097] team0: Port device team_slave_0 added [ 67.642609] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 67.653257] team0: Port device team_slave_1 added [ 67.670431] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.679451] team0: Port device team_slave_0 added [ 67.688911] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 67.695880] team0: Port device team_slave_1 added [ 67.706558] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.715948] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 67.723944] team0: Port device team_slave_1 added [ 67.731537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.740939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.752805] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.761221] team0: Port device team_slave_0 added [ 67.767688] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 67.774882] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.791552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.801134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.814275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.824974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.832594] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.840100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.847644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.856502] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 67.865053] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 67.874941] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 67.882843] team0: Port device team_slave_1 added [ 67.889349] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 67.896273] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.908682] team0: Port device team_slave_0 added [ 67.913641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.921665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.929638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.937873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.945225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.952952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.961798] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 67.969547] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.978302] team0: Port device team_slave_0 added [ 67.984639] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 67.994530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.004437] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 68.014358] team0: Port device team_slave_1 added [ 68.019507] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.030796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.041137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.048769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.056339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.063949] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.071752] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.080753] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 68.087972] team0: Port device team_slave_1 added [ 68.094321] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.104347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.113379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.123409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.133881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.141766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.149590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.157346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.164872] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.172333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.179975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.189706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.199578] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.208063] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.221186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.230080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.246481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.254388] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.261902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.269722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.277524] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.293050] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.311430] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.327369] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.336243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.345168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.353107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.361057] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.371047] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.387466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.400435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.419293] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.434725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.442553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.456067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.473450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.482990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.829552] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.835954] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.842634] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.849010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.857715] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 68.892465] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.898846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.905453] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.911829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.922226] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 68.944202] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.950602] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.957261] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.963611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.975014] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 68.991430] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.997835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.004455] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.010827] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.019102] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.069256] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.075642] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.082288] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.088661] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.098700] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.106570] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.112966] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.119673] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.126042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.136468] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.750487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.761209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.768873] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.775867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.783238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.790718] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.915096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.951001] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.020325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.055536] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.108023] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.129777] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.180931] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.198675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.248803] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.264141] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.275192] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.291468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.298572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.338933] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.345158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.354325] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.425721] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.432792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.442278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.454210] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.469568] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.483231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.490563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.504172] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.557578] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.592624] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.602267] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.663079] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.690219] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.696349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.704464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.719764] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.736265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.746080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.887950] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.923088] 8021q: adding VLAN 0 to HW filter on device team0 2018/10/06 10:09:05 executed programs: 6 [ 76.443700] kasan: CONFIG_KASAN_INLINE enabled [ 76.466031] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 76.540999] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 76.547285] CPU: 1 PID: 8349 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #270 [ 76.554557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.563930] RIP: 0010:n_tty_flush_buffer+0x64/0x260 [ 76.568967] Code: 80 3c 02 00 0f 85 d0 01 00 00 49 8b 9c 24 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 22 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9c 01 00 00 48 c7 83 60 22 00 00 00 00 00 00 48 [ 76.587887] RSP: 0018:ffff8801a8db7780 EFLAGS: 00010202 [ 76.593255] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.600524] RDX: 000000000000044c RSI: 0000000000000000 RDI: 0000000000002260 [ 76.607797] RBP: ffff8801a8db7798 R08: 0000000000000001 R09: 0000000000000000 [ 76.615059] R10: ffffed00351b6ed8 R11: 0000000000000000 R12: ffff8801d8701500 [ 76.622324] R13: ffff8801d8701738 R14: 0000000000000000 R15: ffff8801a8db77e8 [ 76.629594] FS: 00007fb04373f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 76.637837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.643723] CR2: 0000000000930004 CR3: 00000001a9f91000 CR4: 00000000001406e0 [ 76.651008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.658282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.665550] Call Trace: [ 76.668146] set_termios+0x390/0x7d0 [ 76.671861] ? n_tty_kick_worker+0x230/0x230 [ 76.676270] ? tty_perform_flush+0x80/0x80 [ 76.680527] tty_mode_ioctl+0x813/0xb40 [ 76.684521] ? mark_held_locks+0x130/0x130 [ 76.688767] ? set_termios+0x7d0/0x7d0 [ 76.692653] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.698195] ? tty_kref_put.part.14+0x88/0x260 [ 76.702781] ? ___might_sleep+0x1ed/0x300 [ 76.706939] ? arch_local_save_flags+0x40/0x40 [ 76.711541] n_tty_ioctl_helper+0x54/0x3b0 [ 76.715794] n_tty_ioctl+0x54/0x360 [ 76.719433] ? ldsem_down_read+0x32/0x40 [ 76.723502] ? ldsem_down_read+0x32/0x40 [ 76.727579] tty_ioctl+0x5ad/0x1820 [ 76.731217] ? commit_echoes+0x1c0/0x1c0 [ 76.735286] ? tty_vhangup+0x30/0x30 [ 76.739028] ? save_stack+0x43/0xd0 [ 76.742656] ? __kasan_slab_free+0x102/0x150 [ 76.747073] ? __fget+0x4d1/0x740 [ 76.750539] ? ksys_dup3+0x680/0x680 [ 76.754258] ? __might_fault+0x12b/0x1e0 [ 76.758324] ? lock_downgrade+0x900/0x900 [ 76.762479] ? lock_release+0x970/0x970 [ 76.766455] ? arch_local_save_flags+0x40/0x40 [ 76.771039] ? tty_vhangup+0x30/0x30 [ 76.774756] do_vfs_ioctl+0x1de/0x1720 [ 76.778647] ? ioctl_preallocate+0x300/0x300 [ 76.783055] ? __fget_light+0x2e9/0x430 [ 76.787031] ? fget_raw+0x20/0x20 [ 76.790482] ? _copy_to_user+0xc8/0x110 [ 76.794464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.800009] ? put_timespec64+0x10f/0x1b0 [ 76.804159] ? nsecs_to_jiffies+0x30/0x30 [ 76.808313] ? security_file_ioctl+0x94/0xc0 [ 76.812738] ksys_ioctl+0xa9/0xd0 [ 76.816197] __x64_sys_ioctl+0x73/0xb0 [ 76.820095] do_syscall_64+0x1b9/0x820 [ 76.823995] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 76.829373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 76.834307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.839154] ? trace_hardirqs_on_caller+0x310/0x310 [ 76.844173] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 76.849191] ? prepare_exit_to_usermode+0x291/0x3b0 [ 76.854206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.859053] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.864237] RIP: 0033:0x457579 [ 76.867428] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.886327] RSP: 002b:00007fb04373ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.894034] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 76.901301] RDX: 0000000020000040 RSI: 0000000000005408 RDI: 0000000000000006 [ 76.908564] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 76.915841] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb04373f6d4 [ 76.923109] R13: 00000000004c0d8f R14: 00000000004d1788 R15: 00000000ffffffff [ 76.930388] Modules linked in: [ 76.947312] kobject: 'loop4' (00000000eeb3c41b): kobject_uevent_env [ 76.950148] ---[ end trace c639ad661957a9d3 ]--- [ 76.953785] kobject: 'loop4' (00000000eeb3c41b): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 76.970385] kobject: 'loop5' (00000000e8ad845b): kobject_uevent_env [ 76.986061] kobject: 'loop5' (00000000e8ad845b): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 76.995601] RIP: 0010:n_tty_flush_buffer+0x64/0x260 [ 77.000925] Code: 80 3c 02 00 0f 85 d0 01 00 00 49 8b 9c 24 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 22 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9c 01 00 00 48 c7 83 60 22 00 00 00 00 00 00 48 [ 77.015657] kobject: 'loop2' (00000000355846d6): kobject_uevent_env [ 77.022592] RSP: 0018:ffff8801a8db7780 EFLAGS: 00010202 [ 77.029150] kobject: 'loop2' (00000000355846d6): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 77.040249] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.051681] RDX: 000000000000044c RSI: 0000000000000000 RDI: 0000000000002260 [ 77.062257] kobject: 'loop3' (0000000077c75657): kobject_uevent_env [ 77.065091] RBP: ffff8801a8db7798 R08: 0000000000000001 R09: 0000000000000000 [ 77.077146] kobject: 'loop3' (0000000077c75657): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 77.077348] R10: ffffed00351b6ed8 R11: 0000000000000000 R12: ffff8801d8701500 [ 77.094163] R13: ffff8801d8701738 R14: 0000000000000000 R15: ffff8801a8db77e8 [ 77.102406] FS: 00007fb04373f700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 77.113690] kobject: 'loop4' (00000000eeb3c41b): kobject_uevent_env [ 77.114952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.120796] kobject: 'loop4' (00000000eeb3c41b): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 77.126103] CR2: 0000000000625208 CR3: 00000001a9f91000 CR4: 00000000001406f0 [ 77.143364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.151295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.159513] Kernel panic - not syncing: Fatal exception [ 77.165909] Kernel Offset: disabled [ 77.169535] Rebooting in 86400 seconds..