[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.676957][ T27] audit: type=1800 audit(1560821049.264:25): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.716684][ T27] audit: type=1800 audit(1560821049.264:26): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.754160][ T27] audit: type=1800 audit(1560821049.264:27): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.136' (ECDSA) to the list of known hosts. 2019/06/18 01:24:20 parsed 1 programs 2019/06/18 01:24:22 executed programs: 0 syzkaller login: [ 73.431957][ T8946] IPVS: ftp: loaded support on port[0] = 21 [ 73.491686][ T8946] chnl_net:caif_netlink_parms(): no params data found [ 73.519094][ T8946] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.526365][ T8946] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.534343][ T8946] device bridge_slave_0 entered promiscuous mode [ 73.542304][ T8946] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.549460][ T8946] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.557459][ T8946] device bridge_slave_1 entered promiscuous mode [ 73.573542][ T8946] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 73.583377][ T8946] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.601743][ T8946] team0: Port device team_slave_0 added [ 73.608711][ T8946] team0: Port device team_slave_1 added [ 73.668624][ T8946] device hsr_slave_0 entered promiscuous mode [ 73.706933][ T8946] device hsr_slave_1 entered promiscuous mode [ 73.784585][ T8946] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.791724][ T8946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.799389][ T8946] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.806423][ T8946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.835878][ T8946] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.848875][ T8948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.869084][ T8948] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.877392][ T8948] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.885090][ T8948] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.896294][ T8946] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.907013][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.915340][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.922413][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.933298][ T8948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.942185][ T8948] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.949259][ T8948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.965026][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.973653][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.985683][ T8948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.997292][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.008724][ T8946] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.020145][ T8946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.028496][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.044773][ T8946] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.510620][ T9133] kasan: CONFIG_KASAN_INLINE enabled [ 75.516070][ T9133] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.531736][ T9133] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.538673][ T9133] CPU: 0 PID: 9133 Comm: syz-executor.0 Not tainted 5.2.0-rc5 #1 [ 75.546359][ T9133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.556397][ T9133] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 75.562350][ T9133] Code: ff ff 00 0f 84 7a fb ff ff e8 de a4 b5 ff 48 8b 85 50 ff ff ff 48 8d 78 48 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 07 00 00 48 8b 85 50 ff ff ff 31 ff 4c 8b 78 [ 75.581934][ T9133] RSP: 0018:ffff888097117d58 EFLAGS: 00010206 [ 75.587987][ T9133] RAX: dffffc0000000000 RBX: ffff888097117ea8 RCX: 1ffff11015330137 [ 75.595930][ T9133] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 75.603888][ T9133] RBP: ffff888097117e38 R08: ffff88808971c5c0 R09: ffffed1015d06be0 [ 75.611852][ T9133] R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff88809f377f00 [ 75.619797][ T9133] R13: ffff88821baa2420 R14: ffff888097117e90 R15: ffff8880a99809a0 [ 75.627743][ T9133] FS: 00007f0eb2bcd700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.636652][ T9133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.643211][ T9133] CR2: 00007fa3553c2000 CR3: 00000000a8a61000 CR4: 00000000001406f0 [ 75.651157][ T9133] Call Trace: [ 75.654427][ T9133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.660645][ T9133] ? strncpy_from_user+0x2ac/0x380 [ 75.665737][ T9133] ? do_add_mount+0x380/0x380 [ 75.670393][ T9133] __x64_sys_move_mount+0x355/0x440 [ 75.675608][ T9133] ? __ia32_sys_fsmount+0xc80/0xc80 [ 75.680787][ T9133] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.686254][ T9133] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.692307][ T9133] ? do_syscall_64+0x26/0x680 [ 75.696964][ T9133] ? lockdep_hardirqs_on+0x418/0x5d0 [ 75.702227][ T9133] ? trace_hardirqs_on+0x67/0x220 [ 75.707235][ T9133] do_syscall_64+0xfd/0x680 [ 75.711742][ T9133] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.717610][ T9133] RIP: 0033:0x4592c9 [ 75.721488][ T9133] Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.741093][ T9133] RSP: 002b:00007f0eb2bccc78 EFLAGS: 00000246 ORIG_RAX: 00000000000001ad [ 75.749476][ T9133] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004592c9 [ 75.757446][ T9133] RDX: ffffffffffffff9c RSI: 0000000020000040 RDI: 0000000000000003 [ 75.765414][ T9133] RBP: 000000000075c070 R08: 0000000000000066 R09: 0000000000000000 [ 75.773363][ T9133] R10: 0000000020000100 R11: 0000000000000246 R12: 00007f0eb2bcd6d4 [ 75.781310][ T9133] R13: 00000000004c5706 R14: 00000000004d9ba8 R15: 00000000ffffffff [ 75.789260][ T9133] Modules linked in: [ 75.795861][ T9133] ---[ end trace 9c2a9754ccc962c7 ]--- [ 75.801392][ T9133] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 75.807413][ T9133] Code: ff ff 00 0f 84 7a fb ff ff e8 de a4 b5 ff 48 8b 85 50 ff ff ff 48 8d 78 48 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 07 00 00 48 8b 85 50 ff ff ff 31 ff 4c 8b 78 [ 75.827068][ T9133] RSP: 0018:ffff888097117d58 EFLAGS: 00010206 [ 75.833115][ T9133] RAX: dffffc0000000000 RBX: ffff888097117ea8 RCX: 1ffff11015330137 [ 75.841112][ T9133] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 75.849219][ T9133] RBP: ffff888097117e38 R08: ffff88808971c5c0 R09: ffffed1015d06be0 [ 75.857389][ T9133] R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff88809f377f00 [ 75.865348][ T9133] R13: ffff88821baa2420 R14: ffff888097117e90 R15: ffff8880a99809a0 [ 75.873619][ T9133] FS: 00007f0eb2bcd700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.882581][ T9133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.889267][ T9133] CR2: 00007fa3553c2000 CR3: 00000000a8a61000 CR4: 00000000001406f0 [ 75.897457][ T9133] Kernel panic - not syncing: Fatal exception [ 75.904418][ T9133] Kernel Offset: disabled [ 75.908733][ T9133] Rebooting in 86400 seconds..