[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.763458][ T26] audit: type=1800 audit(1560823318.746:25): pid=8761 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.785253][ T26] audit: type=1800 audit(1560823318.746:26): pid=8761 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.806554][ T26] audit: type=1800 audit(1560823318.746:27): pid=8761 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 '10.128.0.65' (ECDSA) to the list of known hosts. 2019/06/18 02:02:10 parsed 1 programs 2019/06/18 02:02:13 executed programs: 0 syzkaller login: [ 75.367677][ T8929] IPVS: ftp: loaded support on port[0] = 21 [ 75.433723][ T8929] chnl_net:caif_netlink_parms(): no params data found [ 75.464721][ T8929] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.473618][ T8929] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.481630][ T8929] device bridge_slave_0 entered promiscuous mode [ 75.490033][ T8929] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.497863][ T8929] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.505718][ T8929] device bridge_slave_1 entered promiscuous mode [ 75.524244][ T8929] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 75.535053][ T8929] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 75.554348][ T8929] team0: Port device team_slave_0 added [ 75.562604][ T8929] team0: Port device team_slave_1 added [ 75.648077][ T8929] device hsr_slave_0 entered promiscuous mode [ 75.696742][ T8929] device hsr_slave_1 entered promiscuous mode [ 75.744208][ T8929] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.751712][ T8929] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.759734][ T8929] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.767144][ T8929] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.801131][ T8929] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.814259][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.834889][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.843770][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.853039][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.864732][ T8929] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.875361][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.884533][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.892250][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.917455][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.927189][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.934297][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.942936][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.951932][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.961008][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.969479][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.978097][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.990227][ T8929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.010365][ T8929] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/06/18 02:02:18 executed programs: 140 [ 80.603359][ T9509] kasan: CONFIG_KASAN_INLINE enabled [ 80.609253][ T9509] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.617580][ T9509] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.625938][ T9509] CPU: 1 PID: 9509 Comm: syz-executor.0 Not tainted 5.2.0-rc5 #28 [ 80.633729][ T9509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.643781][ T9509] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 80.649741][ T9509] 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 [ 80.669325][ T9509] RSP: 0018:ffff88808ebd7d48 EFLAGS: 00010206 [ 80.675369][ T9509] RAX: dffffc0000000000 RBX: ffff88808ebd7e98 RCX: 1ffff11015304b37 [ 80.683340][ T9509] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 80.691290][ T9509] RBP: ffff88808ebd7e28 R08: ffff8880a13ac340 R09: ffffed1015d26be0 [ 80.699240][ T9509] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: ffff8880a783dc80 [ 80.707194][ T9509] R13: ffff88821b6a0220 R14: ffff88808ebd7e80 R15: ffff8880a98259a0 [ 80.715155][ T9509] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7ef2b40 [ 80.724088][ T9509] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 80.730652][ T9509] CR2: 00000000200001c0 CR3: 000000008c364000 CR4: 00000000001406e0 [ 80.738642][ T9509] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.746617][ T9509] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.754583][ T9509] Call Trace: [ 80.757882][ T9509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.764114][ T9509] ? strncpy_from_user+0x2ac/0x380 [ 80.769232][ T9509] ? do_add_mount+0x380/0x380 [ 80.773897][ T9509] __ia32_sys_move_mount+0x354/0x440 [ 80.779166][ T9509] ? __x64_sys_move_mount+0x440/0x440 [ 80.784529][ T9509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.789974][ T9509] ? entry_SYSENTER_compat+0x70/0x7f [ 80.795252][ T9509] ? do_fast_syscall_32+0xd1/0xd7d [ 80.800353][ T9509] ? lockdep_hardirqs_on+0x418/0x5d0 [ 80.805621][ T9509] ? trace_hardirqs_on+0x67/0x220 [ 80.810631][ T9509] do_fast_syscall_32+0x27b/0xd7d [ 80.815640][ T9509] entry_SYSENTER_compat+0x70/0x7f [ 80.820744][ T9509] RIP: 0023:0xf7f17849 [ 80.824822][ T9509] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 80.844615][ T9509] RSP: 002b:00000000f7ef20cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ad [ 80.853046][ T9509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000040 [ 80.861293][ T9509] RDX: 00000000ffffff9c RSI: 0000000020000100 RDI: 0000000000000066 [ 80.869269][ T9509] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.877224][ T9509] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 80.885211][ T9509] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.893202][ T9509] Modules linked in: [ 80.897178][ T9509] ---[ end trace dc0ddede657522ac ]--- [ 80.902654][ T9509] RIP: 0010:do_move_mount.isra.0+0x5fe/0xe10 [ 80.908756][ T9509] 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 [ 80.928390][ T9509] RSP: 0018:ffff88808ebd7d48 EFLAGS: 00010206 [ 80.934439][ T9509] RAX: dffffc0000000000 RBX: ffff88808ebd7e98 RCX: 1ffff11015304b37 [ 80.942446][ T9509] RDX: 0000000000000006 RSI: ffffffff81bb1c82 RDI: 0000000000000032 [ 80.950462][ T9509] RBP: ffff88808ebd7e28 R08: ffff8880a13ac340 R09: ffffed1015d26be0 [ 80.958623][ T9509] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: ffff8880a783dc80 [ 80.966633][ T9509] R13: ffff88821b6a0220 R14: ffff88808ebd7e80 R15: ffff8880a98259a0 [ 80.974617][ T9509] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7ef2b40 [ 80.983586][ T9509] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 80.990234][ T9509] CR2: 00000000200001c0 CR3: 000000008c364000 CR4: 00000000001406e0 [ 80.998236][ T9509] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.006241][ T9509] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.014204][ T9509] Kernel panic - not syncing: Fatal exception [ 81.021495][ T9509] Kernel Offset: disabled [ 81.025824][ T9509] Rebooting in 86400 seconds..