Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz_tun.accept_dad = 0
syzkaller login: [ 41.357414] IPVS: ftp: loaded support on port[0] = 21
net.ipv6.conf.syz_tun.router_solicitations = 0
[ 41.609944] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.616823] bridge0: port 1(bridge_slave_0) entered disabled state
[ 41.623778] device bridge_slave_0 entered promiscuous mode
[ 41.643272] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.649778] bridge0: port 2(bridge_slave_1) entered disabled state
[ 41.656920] device bridge_slave_1 entered promiscuous mode
[ 41.674482] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 41.692194] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 41.742490] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 41.762800] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 41.839890] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 41.847572] team0: Port device team_slave_0 added
[ 41.864104] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 41.871180] team0: Port device team_slave_1 added
[ 41.889037] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 41.908696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 41.928432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 41.949101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
RTNETLINK answers: Operation not supported
RTNETLINK answers: No buffer space available
RTNETLINK answers: Operation not supported
[ 42.096484] bridge0: port 2(bridge_slave_1) entered blocking state
[ 42.102934] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 42.109934] bridge0: port 1(bridge_slave_0) entered blocking state
[ 42.116298] bridge0: port 1(bridge_slave_0) entered forwarding state
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Invalid argument
RTNETLINK answers: Invalid argument
RTNETLINK answers: Invalid argument
[ 42.635949] 8021q: adding VLAN 0 to HW filter on device bond0
[ 42.687915] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 42.741480] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 42.747987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 42.756071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 42.801607] 8021q: adding VLAN 0 to HW filter on device team0
executing program
[ 43.103862] ==================================================================
[ 43.111306] BUG: KASAN: slab-out-of-bounds in tick_sched_handle+0x16c/0x180
[ 43.118504] Read of size 8 at addr ffff8881b53ddef0 by task syz-executor758/6046
[ 43.126024]
[ 43.127639] CPU: 0 PID: 6046 Comm: syz-executor758 Not tainted 4.20.0-rc6-next-20181217+ #172
[ 43.136350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.145735] Call Trace:
[ 43.148306]
[ 43.150619] dump_stack+0x244/0x39d
[ 43.154231] ? dump_stack_print_info.cold.1+0x20/0x20
[ 43.159405] ? printk+0xa7/0xcf
[ 43.162671] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 43.167453] ? kasan_check_read+0x11/0x20
[ 43.171598] print_address_description.cold.4+0x9/0x1ff
[ 43.176946] ? tick_sched_handle+0x16c/0x180
[ 43.181355] kasan_report.cold.5+0x1b/0x39
[ 43.185681] ? tick_sched_handle+0x16c/0x180
[ 43.190311] ? tick_sched_handle+0x16c/0x180
[ 43.194716] __asan_report_load8_noabort+0x14/0x20
[ 43.199647] tick_sched_handle+0x16c/0x180
[ 43.203885] tick_sched_timer+0x45/0x130
[ 43.207956] __hrtimer_run_queues+0x41c/0x10d0
[ 43.212739] ? tick_sched_do_timer+0x1a0/0x1a0
[ 43.217310] ? hrtimer_start_range_ns+0xe00/0xe00
[ 43.222139] ? pvclock_read_flags+0x160/0x160
[ 43.226623] ? trace_hardirqs_on+0x310/0x310
[ 43.231021] ? kvm_clock_read+0x18/0x30
[ 43.234981] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 43.239986] ? ktime_get_update_offsets_now+0x3b3/0x540
[ 43.245342] ? do_timer+0x50/0x50
[ 43.248779] ? rwlock_bug.part.2+0x90/0x90
[ 43.253000] ? trace_hardirqs_on+0x310/0x310
[ 43.257395] ? rcu_softirq_qs+0x20/0x20
[ 43.261356] hrtimer_interrupt+0x313/0x780
[ 43.265589] smp_apic_timer_interrupt+0x1a1/0x760
[ 43.270419] ? smp_call_function_single_interrupt+0x650/0x650
[ 43.276337] ? interrupt_entry+0xb5/0xc0
[ 43.280398] ? trace_hardirqs_off_caller+0xbb/0x310
[ 43.285425] ? trace_hardirqs_off_caller+0xbb/0x310
[ 43.290429] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.295261] ? trace_hardirqs_on_caller+0x310/0x310
[ 43.300260] ? trace_hardirqs_on_caller+0x310/0x310
[ 43.305260] ? task_prio+0x50/0x50
[ 43.308788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 43.314316] ? check_preemption_disabled+0x48/0x280
[ 43.319325] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.324157] apic_timer_interrupt+0xf/0x20
[ 43.328370]
[ 43.330583]
[ 43.332190] Allocated by task 3626:
[ 43.335803] save_stack+0x43/0xd0
[ 43.339237] kasan_kmalloc+0xcb/0xd0
[ 43.342932] kasan_slab_alloc+0x12/0x20
[ 43.346892] kmem_cache_alloc+0x130/0x730
[ 43.351022] getname_flags+0xd0/0x590
[ 43.354838] user_path_at_empty+0x2d/0x50
[ 43.358967] user_statfs+0x9d/0x150
[ 43.362573] __do_sys_statfs+0x7f/0xf0
[ 43.366440] __x64_sys_statfs+0x54/0x80
[ 43.370394] do_syscall_64+0x1b9/0x820
[ 43.374262] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 43.379425]
[ 43.381032] Freed by task 3626:
[ 43.384296] save_stack+0x43/0xd0
[ 43.387736] __kasan_slab_free+0x102/0x150
[ 43.391952] kasan_slab_free+0xe/0x10
[ 43.395750] kmem_cache_free+0x83/0x290
[ 43.399719] putname+0xf2/0x130
[ 43.402995] filename_lookup+0x39a/0x520
[ 43.407039] user_path_at_empty+0x40/0x50
[ 43.411167] user_statfs+0x9d/0x150
[ 43.414773] __do_sys_statfs+0x7f/0xf0
[ 43.418642] __x64_sys_statfs+0x54/0x80
[ 43.422601] do_syscall_64+0x1b9/0x820
[ 43.426470] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 43.431640]
[ 43.433252] The buggy address belongs to the object at ffff8881b53dce00
[ 43.433252] which belongs to the cache names_cache of size 4096
[ 43.445980] The buggy address is located 240 bytes to the right of
[ 43.445980] 4096-byte region [ffff8881b53dce00, ffff8881b53dde00)
[ 43.458485] The buggy address belongs to the page:
[ 43.463400] page:ffffea0006d4f700 count:1 mapcount:0 mapping:ffff8881da986e00 index:0x0 compound_mapcount: 0
[ 43.473357] flags: 0x2fffc0000010200(slab|head)
[ 43.478013] raw: 02fffc0000010200 ffffea0006d36688 ffffea0006d3a408 ffff8881da986e00
[ 43.485879] raw: 0000000000000000 ffff8881b53dce00 0000000100000001 0000000000000000
[ 43.493739] page dumped because: kasan: bad access detected
[ 43.499425]
[ 43.501033] Memory state around the buggy address:
[ 43.505942] ffff8881b53ddd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.513280] ffff8881b53dde00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 43.520620] >ffff8881b53dde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 43.527956] ^
[ 43.534955] ffff8881b53ddf00: fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00
[ 43.542297] ffff8881b53ddf80: 00 00 00 00 00 fc fc fc fc fc fc fc 00 00 00 00
[ 43.549639] ==================================================================
[ 43.556996] Disabling lock debugging due to kernel taint
[ 43.562421] Kernel panic - not syncing: panic_on_warn set ...
[ 43.568304] CPU: 0 PID: 6046 Comm: syz-executor758 Tainted: G B 4.20.0-rc6-next-20181217+ #172
[ 43.578332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.587664] Call Trace:
[ 43.590226]
[ 43.592360] dump_stack+0x244/0x39d
[ 43.595974] ? dump_stack_print_info.cold.1+0x20/0x20
[ 43.601146] ? tick_sched_handle+0xd0/0x180
[ 43.605451] panic+0x2ad/0x632
[ 43.608626] ? add_taint.cold.5+0x16/0x16
[ 43.612768] ? add_taint.cold.5+0x5/0x16
[ 43.616820] ? trace_hardirqs_off+0xaf/0x310
[ 43.621209] ? tick_sched_handle+0x16c/0x180
[ 43.625616] end_report+0x47/0x4f
[ 43.629053] kasan_report.cold.5+0xe/0x39
[ 43.633179] ? tick_sched_handle+0x16c/0x180
[ 43.637573] ? tick_sched_handle+0x16c/0x180
[ 43.641967] __asan_report_load8_noabort+0x14/0x20
[ 43.646880] tick_sched_handle+0x16c/0x180
[ 43.651100] tick_sched_timer+0x45/0x130
[ 43.655144] __hrtimer_run_queues+0x41c/0x10d0
[ 43.659709] ? tick_sched_do_timer+0x1a0/0x1a0
[ 43.664289] ? hrtimer_start_range_ns+0xe00/0xe00
[ 43.669143] ? pvclock_read_flags+0x160/0x160
[ 43.673620] ? trace_hardirqs_on+0x310/0x310
[ 43.678029] ? kvm_clock_read+0x18/0x30
[ 43.681987] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 43.686984] ? ktime_get_update_offsets_now+0x3b3/0x540
[ 43.692331] ? do_timer+0x50/0x50
[ 43.695770] ? rwlock_bug.part.2+0x90/0x90
[ 43.699989] ? trace_hardirqs_on+0x310/0x310
[ 43.704378] ? rcu_softirq_qs+0x20/0x20
[ 43.708339] hrtimer_interrupt+0x313/0x780
[ 43.712565] smp_apic_timer_interrupt+0x1a1/0x760
[ 43.717390] ? smp_call_function_single_interrupt+0x650/0x650
[ 43.723255] ? interrupt_entry+0xb5/0xc0
[ 43.727297] ? trace_hardirqs_off_caller+0xbb/0x310
[ 43.732295] ? trace_hardirqs_off_caller+0xbb/0x310
[ 43.737299] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.742123] ? trace_hardirqs_on_caller+0x310/0x310
[ 43.747123] ? trace_hardirqs_on_caller+0x310/0x310
[ 43.752120] ? task_prio+0x50/0x50
[ 43.755646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 43.761164] ? check_preemption_disabled+0x48/0x280
[ 43.766172] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.771012] apic_timer_interrupt+0xf/0x20
[ 43.775222]
[ 43.778310] Kernel Offset: disabled
[ 43.781932] Rebooting in 86400 seconds..