[ 38.588607] audit: type=1800 audit(1551641023.141:27): pid=7672 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 38.615962] audit: type=1800 audit(1551641023.141:28): pid=7672 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 39.541480] audit: type=1800 audit(1551641024.151:29): pid=7672 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 39.560496] audit: type=1800 audit(1551641024.151:30): pid=7672 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.194' (ECDSA) to the list of known hosts. syzkaller login: [ 375.164667] IPVS: ftp: loaded support on port[0] = 21 [ 375.214054] chnl_net:caif_netlink_parms(): no params data found [ 375.243932] bridge0: port 1(bridge_slave_0) entered blocking state [ 375.251284] bridge0: port 1(bridge_slave_0) entered disabled state [ 375.258281] device bridge_slave_0 entered promiscuous mode [ 375.265990] bridge0: port 2(bridge_slave_1) entered blocking state [ 375.272388] bridge0: port 2(bridge_slave_1) entered disabled state [ 375.279679] device bridge_slave_1 entered promiscuous mode [ 375.296221] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 375.305170] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 375.320397] team0: Port device team_slave_0 added [ 375.326888] team0: Port device team_slave_1 added [ 375.395988] device hsr_slave_0 entered promiscuous mode [ 375.434589] device hsr_slave_1 entered promiscuous mode [ 375.490986] bridge0: port 2(bridge_slave_1) entered blocking state [ 375.497423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 375.504133] bridge0: port 1(bridge_slave_0) entered blocking state [ 375.510542] bridge0: port 1(bridge_slave_0) entered forwarding state [ 375.538514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 375.549625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 375.568899] bridge0: port 1(bridge_slave_0) entered disabled state [ 375.576204] bridge0: port 2(bridge_slave_1) entered disabled state [ 375.583195] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 375.593586] 8021q: adding VLAN 0 to HW filter on device team0 [ 375.602941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 375.610773] bridge0: port 1(bridge_slave_0) entered blocking state [ 375.617147] bridge0: port 1(bridge_slave_0) entered forwarding state [ 375.636638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 375.644177] bridge0: port 2(bridge_slave_1) entered blocking state [ 375.650569] bridge0: port 2(bridge_slave_1) entered forwarding state [ 375.657701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 375.665575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 375.673059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 375.681043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program executing program executing program executing program executing program executing program executing program [ 375.689729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 375.699071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 375.714000] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 375.727413] device rose0 entered promiscuous mode [ 375.732676] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready executing program executing program executing program executing program executing program [ 375.904404] kasan: CONFIG_KASAN_INLINE enabled [ 375.909130] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 375.916571] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 375.922798] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.0.0-rc8+ #3 [ 375.929182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.938642] RIP: 0010:rose_send_frame+0x1a8/0x280 [ 375.943479] Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 c0 04 [ 375.962375] RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202 [ 375.967721] RAX: dffffc0000000000 RBX: ffff88809a4920c0 RCX: ffffffff8635d8db [ 375.974980] RDX: 000000000000006b RSI: ffffffff8635da0c RDI: 0000000000000358 [ 375.982238] RBP: ffff8880ae907b18 R08: ffff8880aa28a340 R09: ffffed101295447d [ 375.989499] R10: ffffed101295447c R11: ffff888094aa23e3 R12: 0000000000000000 [ 375.996867] R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a678fbc0 [ 376.004121] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 376.012325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 376.018192] CR2: 00007f3e01c18e78 CR3: 0000000084194000 CR4: 00000000001406e0 [ 376.025458] Call Trace: [ 376.028030] [ 376.030212] rose_transmit_clear_request+0x1de/0x2a0 [ 376.035328] ? __local_bh_enable_ip+0x15a/0x270 [ 376.039990] rose_rx_call_request+0x4ea/0x1990 [ 376.044552] ? rose_dev_get+0x21e/0x320 [ 376.048507] ? rose_release+0x410/0x410 [ 376.052465] rose_loopback_timer+0x26a/0x3f0 [ 376.056910] call_timer_fn+0x190/0x720 [ 376.060821] ? rose_link_rx_restart.cold+0xa9/0xa9 [ 376.065767] ? process_timeout+0x40/0x40 [ 376.069810] ? run_timer_softirq+0x647/0x1700 [ 376.074322] ? trace_hardirqs_on+0x67/0x230 [ 376.078660] ? kasan_check_read+0x11/0x20 [ 376.082789] ? rose_link_rx_restart.cold+0xa9/0xa9 [ 376.087696] run_timer_softirq+0x652/0x1700 [ 376.091997] ? add_timer+0xbe0/0xbe0 [ 376.095741] ? kvm_clock_read+0x18/0x30 [ 376.099733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.105299] ? check_preemption_disabled+0x48/0x290 [ 376.110323] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 376.115790] __do_softirq+0x266/0x95a [ 376.119570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.125086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.130604] irq_exit+0x180/0x1d0 [ 376.134039] smp_apic_timer_interrupt+0x14a/0x570 [ 376.138862] apic_timer_interrupt+0xf/0x20 [ 376.143071] [ 376.145292] RIP: 0010:native_safe_halt+0x2/0x10 [ 376.149941] Code: ff ff ff 48 89 c7 48 89 45 d8 e8 79 96 a3 fa 48 8b 45 d8 e9 ce fe ff ff 48 89 df e8 68 96 a3 fa eb 82 90 90 90 90 90 90 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90 [ 376.168820] RSP: 0018:ffff8880aa297d78 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 376.176503] RAX: 1ffffffff1125061 RBX: ffff8880aa28a340 RCX: 0000000000000000 [ 376.183756] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880aa28abbc [ 376.191088] RBP: ffff8880aa297da8 R08: ffff8880aa28a340 R09: 0000000000000000 [ 376.198355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 376.205601] R13: ffffffff889282f8 R14: 0000000000000001 R15: 0000000000000000 [ 376.212855] ? default_idle+0x4e/0x330 [ 376.216740] arch_cpu_idle+0x10/0x20 [ 376.220436] default_idle_call+0x36/0x90 [ 376.224522] do_idle+0x386/0x570 [ 376.227874] ? arch_cpu_idle_exit+0x80/0x80 [ 376.232175] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 376.237258] ? complete+0x61/0x80 [ 376.240727] cpu_startup_entry+0x1b/0x20 [ 376.244817] start_secondary+0x404/0x5c0 [ 376.248861] ? set_cpu_sibling_map+0x1850/0x1850 [ 376.253608] secondary_startup_64+0xa4/0xb0 [ 376.257911] Modules linked in: [ 376.261126] ---[ end trace 70c24d4e209fada9 ]--- [ 376.265899] RIP: 0010:rose_send_frame+0x1a8/0x280 [ 376.270729] Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 c0 04 [ 376.289639] RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202 [ 376.295057] RAX: dffffc0000000000 RBX: ffff88809a4920c0 RCX: ffffffff8635d8db [ 376.302323] RDX: 000000000000006b RSI: ffffffff8635da0c RDI: 0000000000000358 [ 376.309606] RBP: ffff8880ae907b18 R08: ffff8880aa28a340 R09: ffffed101295447d [ 376.316900] R10: ffffed101295447c R11: ffff888094aa23e3 R12: 0000000000000000 [ 376.324163] R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a678fbc0 [ 376.331441] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 376.339673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 376.345558] CR2: 00007f3e01c18e78 CR3: 0000000084194000 CR4: 00000000001406e0 [ 376.352824] Kernel panic - not syncing: Fatal exception in interrupt [ 376.360425] Kernel Offset: disabled [ 376.364044] Rebooting in 86400 seconds..