[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.974916][ T26] audit: type=1800 audit(1560823366.252:25): pid=8686 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.996745][ T26] audit: type=1800 audit(1560823366.262:26): pid=8686 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.017077][ T26] audit: type=1800 audit(1560823366.262:27): pid=8686 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 '10.128.0.28' (ECDSA) to the list of known hosts. 2019/06/18 02:03:21 parsed 1 programs 2019/06/18 02:03:23 executed programs: 0 syzkaller login: [ 94.985350][ T8855] IPVS: ftp: loaded support on port[0] = 21 [ 95.045734][ T8855] chnl_net:caif_netlink_parms(): no params data found [ 95.074779][ T8855] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.082715][ T8855] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.091313][ T8855] device bridge_slave_0 entered promiscuous mode [ 95.099214][ T8855] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.106301][ T8855] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.114355][ T8855] device bridge_slave_1 entered promiscuous mode [ 95.129075][ T8855] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 95.139377][ T8855] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 95.156242][ T8855] team0: Port device team_slave_0 added [ 95.163333][ T8855] team0: Port device team_slave_1 added [ 95.220346][ T8855] device hsr_slave_0 entered promiscuous mode [ 95.269011][ T8855] device hsr_slave_1 entered promiscuous mode [ 95.336900][ T8855] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.344174][ T8855] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.351787][ T8855] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.359062][ T8855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.391804][ T8855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.403793][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.424604][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.432648][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.441236][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 95.452536][ T8855] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.461956][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.470656][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.477951][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.489372][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.497804][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.504889][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.520733][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.529926][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.541076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.554090][ T8855] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 95.565541][ T8855] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 95.579322][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.589180][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.598397][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.615712][ T8855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.433074][ T8974] kasan: CONFIG_KASAN_INLINE enabled [ 96.438530][ T8974] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 96.446868][ T8974] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 96.453887][ T8974] CPU: 1 PID: 8974 Comm: syz-executor.0 Not tainted 5.2.0-rc5 #54 [ 96.461662][ T8974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.471704][ T8974] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 96.477660][ T8974] 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 [ 96.497243][ T8974] RSP: 0018:ffff88808abdfd58 EFLAGS: 00010206 [ 96.503515][ T8974] RAX: dffffc0000000000 RBX: ffff88808abdfea8 RCX: 1ffff11015304a2f [ 96.511584][ T8974] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 96.520699][ T8974] RBP: ffff88808abdfe38 R08: ffff88809ac98700 R09: ffffed1015d26be0 [ 96.528815][ T8974] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: ffff888096a00400 [ 96.536765][ T8974] R13: ffff88821b6a0220 R14: ffff88808abdfe90 R15: ffff8880a9825160 [ 96.544712][ T8974] FS: 00007f48bc3c6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 96.553619][ T8974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.560179][ T8974] CR2: 00000000200001c0 CR3: 000000009fef8000 CR4: 00000000001406e0 [ 96.568183][ T8974] Call Trace: [ 96.571470][ T8974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.577690][ T8974] ? strncpy_from_user+0x2ac/0x380 [ 96.582790][ T8974] ? do_add_mount+0x380/0x380 [ 96.587450][ T8974] __x64_sys_move_mount+0x355/0x440 [ 96.592629][ T8974] ? __ia32_sys_fsmount+0xc80/0xc80 [ 96.597811][ T8974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.603259][ T8974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.609304][ T8974] ? do_syscall_64+0x26/0x680 [ 96.613957][ T8974] ? lockdep_hardirqs_on+0x418/0x5d0 [ 96.619218][ T8974] ? trace_hardirqs_on+0x67/0x220 [ 96.624221][ T8974] do_syscall_64+0xfd/0x680 [ 96.628712][ T8974] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.634595][ T8974] RIP: 0033:0x4592c9 [ 96.638462][ T8974] 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 [ 96.658039][ T8974] RSP: 002b:00007f48bc3c5c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001ad [ 96.666425][ T8974] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004592c9 [ 96.674385][ T8974] RDX: ffffffffffffff9c RSI: 0000000020000040 RDI: 0000000000000003 [ 96.682348][ T8974] RBP: 000000000075bfc8 R08: 0000000000000066 R09: 0000000000000000 [ 96.690296][ T8974] R10: 0000000020000100 R11: 0000000000000246 R12: 00007f48bc3c66d4 [ 96.698243][ T8974] R13: 00000000004c5706 R14: 00000000004d9ba8 R15: 00000000ffffffff [ 96.706191][ T8974] Modules linked in: [ 96.711310][ T8974] ---[ end trace a18b4eeb5a5a705e ]--- [ 96.716808][ T8974] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 96.722865][ T8974] 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 [ 96.742837][ T8974] RSP: 0018:ffff88808abdfd58 EFLAGS: 00010206 [ 96.748940][ T8974] RAX: dffffc0000000000 RBX: ffff88808abdfea8 RCX: 1ffff11015304a2f [ 96.756920][ T8974] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 96.764923][ T8974] RBP: ffff88808abdfe38 R08: ffff88809ac98700 R09: ffffed1015d26be0 [ 96.772910][ T8974] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: ffff888096a00400 [ 96.780911][ T8974] R13: ffff88821b6a0220 R14: ffff88808abdfe90 R15: ffff8880a9825160 [ 96.789044][ T8974] FS: 00007f48bc3c6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 96.797975][ T8974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.804605][ T8974] CR2: 0000000020000100 CR3: 000000009fef8000 CR4: 00000000001406f0 [ 96.812627][ T8974] Kernel panic - not syncing: Fatal exception [ 96.819601][ T8974] Kernel Offset: disabled [ 96.823920][ T8974] Rebooting in 86400 seconds..