[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.792601] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 22.000869] random: sshd: uninitialized urandom read (32 bytes read) [ 22.513108] random: sshd: uninitialized urandom read (32 bytes read) [ 23.219271] random: sshd: uninitialized urandom read (32 bytes read) [ 27.710289] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts. [ 33.184875] random: sshd: uninitialized urandom read (32 bytes read) net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 33.264262] IPVS: ftp: loaded support on port[0] = 21 [ 33.393177] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.399545] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.406282] device bridge_slave_0 entered promiscuous mode [ 33.418381] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.424716] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.431410] device bridge_slave_1 entered promiscuous mode [ 33.443538] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 33.456061] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 33.485036] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.498768] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.541314] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.548319] team0: Port device team_slave_0 added [ 33.559852] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.566958] team0: Port device team_slave_1 added [ 33.578523] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready RTNETLINK answers: Operation not supported [ 33.592142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.605739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.618783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 33.694695] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.701057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.707619] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.713938] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 33.977501] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 33.983595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.013811] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.044080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.051728] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 34.077875] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.083973] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 34.272097] ================================================================== [ 34.279481] BUG: KASAN: stack-out-of-bounds in __neigh_create+0x1e93/0x2080 [ 34.286555] Read of size 8 at addr ffff8801d4832220 by task kworker/1:2/2005 [ 34.293709] [ 34.295315] CPU: 1 PID: 2005 Comm: kworker/1:2 Not tainted 4.18.0-rc3+ #45 [ 34.302301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.311639] Workqueue: ipv6_addrconf addrconf_dad_work [ 34.316887] Call Trace: [ 34.317104] ------------[ cut here ]------------ [ 34.319460] dump_stack+0x1c9/0x2b4 [ 34.324222] do_IRQ(): syz-executor810 has overflown the kernel stack (cur:ffff8801d6450000,sp:ffff8801ce2cbd68,irq stk top-bottom:ffff8801dae00080-ffff8801dae08000,exception stk top-bottom:fffffe0000007080-fffffe0000011000,ip:lock_release+0x87/0xa30) [ 34.327809] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.350091] WARNING: CPU: 0 PID: 4713 at arch/x86/kernel/irq_64.c:63 handle_irq+0x1fb/0x2e7 [ 34.355244] ? printk+0xa7/0xcf [ 34.363695] Kernel panic - not syncing: panic_on_warn set ... [ 34.363695] [ 34.366956] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.379014] ? __neigh_create+0x1e93/0x2080 [ 34.383314] print_address_description+0x6c/0x20b [ 34.388137] ? __neigh_create+0x1e93/0x2080 [ 34.392435] kasan_report.cold.7+0x242/0x2fe [ 34.396821] __asan_report_load8_noabort+0x14/0x20 [ 34.401728] __neigh_create+0x1e93/0x2080 [ 34.405864] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 34.411384] ? trace_hardirqs_on+0x10/0x10 [ 34.415594] ? trace_hardirqs_on+0x10/0x10 [ 34.419803] ? neigh_hash_alloc+0x1e0/0x1e0 [ 34.424102] ? ip_vs_in_icmp+0x2950/0x2950 [ 34.428312] ? nf_conntrack_in+0xc97/0x1640 [ 34.432621] ? ip_vs_out_icmp_v6.isra.27+0x6c0/0x6c0 [ 34.437699] ? ipv6_ext_hdr+0x7f/0x90 [ 34.441477] ? lock_acquire+0x1e4/0x540 [ 34.445429] ? ip6_finish_output2+0x25b/0x2820 [ 34.449988] ? lock_release+0xa30/0xa30 [ 34.453939] ? save_stack+0x43/0xd0 [ 34.457542] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 34.462709] ip6_finish_output2+0xa5d/0x2820 [ 34.467091] ? ndisc_send_ns+0x3c1/0x8d0 [ 34.471130] ? ip6_flush_pending_frames+0xc0/0xc0 [ 34.475948] ? lock_acquire+0x1e4/0x540 [ 34.479896] ? ip6_mtu+0x39e/0x520 [ 34.483409] ? lock_downgrade+0x8f0/0x8f0 [ 34.487531] ? lock_release+0xa30/0xa30 [ 34.491483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.496994] ? ipv6_confirm+0x46e/0x650 [ 34.500955] ? ipv6_helper+0x3ab/0x540 [ 34.504818] ? ip6_mtu+0x160/0x520 [ 34.508332] ? ip6_dst_ifdown+0x4e0/0x4e0 [ 34.512466] ? lock_release+0xa30/0xa30 [ 34.516419] ip6_finish_output+0x5fe/0xbc0 [ 34.520627] ? ip6_finish_output+0x5fe/0xbc0 [ 34.525011] ip6_output+0x234/0x9d0 [ 34.528612] ? ip6_finish_output+0xbc0/0xbc0 [ 34.532994] ? ip6_fragment+0x3930/0x3930 [ 34.537116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.542640] ndisc_send_skb+0x100d/0x1570 [ 34.546763] ? ndisc_constructor+0xc40/0xc40 [ 34.551149] ? wait_for_completion+0x8d0/0x8d0 [ 34.555706] ? lock_acquire+0x1e4/0x540 [ 34.559660] ? __queue_delayed_work+0x255/0x390 [ 34.564324] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 34.569316] ndisc_send_ns+0x3c1/0x8d0 [ 34.573179] ? lock_downgrade+0x8f0/0x8f0 [ 34.577300] ? ndisc_netdev_event+0x580/0x580 [ 34.581772] ? kasan_check_read+0x11/0x20 [ 34.585895] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.590280] ? do_raw_write_trylock+0x1c0/0x1c0 [ 34.594923] ? addrconf_dad_work+0xab8/0x1310 [ 34.599394] ? trace_hardirqs_on+0xd/0x10 [ 34.603523] addrconf_dad_work+0xbf2/0x1310 [ 34.607820] ? addrconf_ifdown+0x1670/0x1670 [ 34.612204] ? kasan_check_read+0x11/0x20 [ 34.616330] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 34.620887] ? read_word_at_a_time+0x20/0x20 [ 34.625269] ? do_raw_spin_lock+0xc1/0x200 [ 34.629482] process_one_work+0xc73/0x1ba0 [ 34.633692] ? trace_hardirqs_on+0x10/0x10 [ 34.637904] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 34.642554] ? __sched_text_start+0x8/0x8 [ 34.646676] ? lock_downgrade+0x8f0/0x8f0 [ 34.650802] ? run_rebalance_domains+0x4c0/0x4c0 [ 34.655542] ? kasan_check_write+0x14/0x20 [ 34.659752] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.664656] ? lock_downgrade+0x8f0/0x8f0 [ 34.668778] ? lock_acquire+0x1e4/0x540 [ 34.672725] ? worker_thread+0x3dc/0x13c0 [ 34.676848] ? lock_downgrade+0x8f0/0x8f0 [ 34.680969] ? lock_release+0xa30/0xa30 [ 34.684915] ? kasan_check_read+0x11/0x20 [ 34.689036] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.693419] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 34.697975] ? kasan_check_write+0x14/0x20 [ 34.702183] ? do_raw_spin_lock+0xc1/0x200 [ 34.706395] worker_thread+0x189/0x13c0 [ 34.710348] ? process_one_work+0x1ba0/0x1ba0 [ 34.714824] ? lock_acquire+0x1e4/0x540 [ 34.718774] ? cache_grow_end.part.37+0x95/0x170 [ 34.723508] ? default_wake_function+0x30/0x50 [ 34.728066] ? schedule+0xfb/0x450 [ 34.731584] ? __schedule+0x1ed0/0x1ed0 [ 34.735534] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.739916] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 34.744473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.749985] ? __kthread_parkme+0x111/0x1d0 [ 34.754284] ? parse_args.cold.15+0x1b3/0x1b3 [ 34.758754] ? trace_hardirqs_on+0xd/0x10 [ 34.762876] kthread+0x345/0x410 [ 34.766219] ? process_one_work+0x1ba0/0x1ba0 [ 34.770687] ? kthread_bind+0x40/0x40 [ 34.774471] ret_from_fork+0x3a/0x50 [ 34.778155] [ 34.778171] CPU: 0 PID: 4713 Comm: syz-executor810 Not tainted 4.18.0-rc3+ #45 [ 34.779758] Allocated by task 4511: [ 34.787115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.790716] save_stack+0x43/0xd0 [ 34.800046] Call Trace: [ 34.803483] kasan_kmalloc+0xc4/0xe0 [ 34.806036] [ 34.809727] __kmalloc_track_caller+0x14a/0x760 [ 34.811856] dump_stack+0x1c9/0x2b4 [ 34.816499] kmemdup+0x24/0x50 [ 34.820104] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.823268] neigh_parms_alloc+0xea/0x6b0 [ 34.823281] ipv6_add_dev+0x3ec/0x13b0 [ 34.828450] panic+0x238/0x4e7 [ 34.832575] addrconf_notify+0x9fb/0x27f0 [ 34.836436] ? add_taint.cold.5+0x16/0x16 [ 34.839600] notifier_call_chain+0x180/0x390 [ 34.843715] ? __warn.cold.8+0x148/0x1ba [ 34.847829] raw_notifier_call_chain+0x2d/0x40 [ 34.847841] call_netdevice_notifiers_info+0x3f/0x90 [ 34.852218] ? __warn.cold.8+0x117/0x1ba [ 34.856247] register_netdevice+0xb9d/0x1100 [ 34.856257] veth_newlink+0x5f5/0xa70 [ 34.860814] ? handle_irq+0x1fb/0x2e7 [ 34.865890] rtnl_newlink+0xeff/0x1d60 [ 34.869930] __warn.cold.8+0x163/0x1ba [ 34.874303] rtnetlink_rcv_msg+0x46e/0xc30 [ 34.874315] netlink_rcv_skb+0x172/0x440 [ 34.878095] ? handle_irq+0x1fb/0x2e7 [ 34.881863] rtnetlink_rcv+0x1c/0x20 [ 34.885725] report_bug+0x252/0x2d0 [ 34.889594] netlink_unicast+0x5a0/0x760 [ 34.893801] do_error_trap+0x1fc/0x4d0 [ 34.897833] netlink_sendmsg+0xa18/0xfc0 [ 34.901605] ? rcu_idle_enter+0x480/0x480 [ 34.905286] sock_sendmsg+0xd5/0x120 [ 34.908880] ? math_error+0x3e0/0x3e0 [ 34.912909] ___sys_sendmsg+0x7fd/0x930 [ 34.916769] ? vprintk_default+0x28/0x30 [ 34.920809] __sys_sendmsg+0x11d/0x290 [ 34.924931] ? printk+0xa7/0xcf [ 34.928616] __x64_sys_sendmsg+0x78/0xb0 [ 34.928629] do_syscall_64+0x1b9/0x820 [ 34.932408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.936367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.940406] do_invalid_op+0x1b/0x20 [ 34.944262] [ 34.947524] invalid_op+0x14/0x20 [ 34.951557] Freed by task 0: [ 34.955426] RIP: 0010:handle_irq+0x1fb/0x2e7 [ 34.960235] (stack is not available) [ 34.965397] Code: [ 34.969093] [ 34.970695] 00 [ 34.974122] The buggy address belongs to the object at ffff8801d4832200 [ 34.974122] which belongs to the cache kmalloc-192 of size 192 [ 34.977114] 00 [ 34.981503] The buggy address is located 32 bytes inside of [ 34.981503] 192-byte region [ffff8801d4832200, ffff8801d48322c0) [ 34.985186] ff [ 34.987310] The buggy address belongs to the page: [ 34.988907] b6 80 [ 34.990784] page:ffffea0007520c80 count:1 mapcount:0 mapping:ffff8801da800040 index:0x0 [ 35.003413] 00 [ 35.017042] 00 00 [ 35.018909] flags: 0x2fffc0000000100(slab) [ 35.018919] raw: 02fffc0000000100 ffffea00074f9d48 ffffea0007526848 ffff8801da800040 [ 35.023812] 48 [ 35.025940] raw: 0000000000000000 ffff8801d4832000 0000000100000010 0000000000000000 [ 35.034045] c7 c7 [ 35.035920] page dumped because: kasan: bad access detected [ 35.038046] 40 [ 35.042264] [ 35.050124] bc [ 35.051991] Memory state around the buggy address: [ 35.059844] e4 [ 35.061968] ffff8801d4832100: f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 [ 35.067645] 87 [ 35.069519] ffff8801d4832180: f2 00 f2 f2 f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 f2 f2 [ 35.071120] 41 [ 35.072984] >ffff8801d4832200: f2 00 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 [ 35.077884] 54 41 [ 35.079762] ^ [ 35.087100] 55 [ 35.088964] ffff8801d4832280: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 [ 35.096308] 65 [ 35.098175] ffff8801d4832300: f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 [ 35.105507] 48 [ 35.107630] ================================================================== [ 35.112002] 8b 04 [ 35.113922] kasan: CONFIG_KASAN_INLINE enabled [ 35.121209] 25 40 ee 01 [ 35.123094] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.130421] 00 48 05 68 06 [ 35.132308] general protection fault: 0000 [#1] SMP KASAN [ 35.139624] 00 00 [ 35.141768] CPU: 1 PID: 2005 Comm: kworker/1:2 Tainted: G B 4.18.0-rc3+ #45 [ 35.146309] 48 89 [ 35.148956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.148971] Workqueue: ipv6_addrconf addrconf_dad_work [ 35.156295] c6 [ 35.164706] e8 85 [ 35.166847] RIP: 0010:__x86_indirect_thunk_r14+0x10/0x20 [ 35.175202] b3 1c [ 35.177326] Code: 90 [ 35.186660] 00 [ 35.191909] 0f [ 35.193771] <0f> [ 35.195887] ae e8 [ 35.201318] 0b [ 35.203439] eb f9 [ 35.205823] 48 83 [ 35.207698] 4c 89 [ 35.209570] c4 18 [ 35.211609] 2c 24 [ 35.213734] e9 3f [ 35.215601] c3 0f [ 35.217728] ff [ 35.219853] 1f [ 35.221981] ff ff [ 35.224112] 44 [ 35.226236] 48 [ 35.228355] 00 [ 35.230471] 89 75 [ 35.232335] 00 66 [ 35.234197] e0 e8 [ 35.236321] 2e 0f [ 35.238183] a1 69 [ 35.240042] 1f 84 [ 35.241900] 8f 00 [ 35.244037] 00 00 [ 35.246160] 48 8b [ 35.248294] 00 00 [ 35.252538] 00 e8 [ 35.254667] RSP: 0018:ffff8801dae07f58 EFLAGS: 00010082 [ 35.256782] 07 00 [ 35.261027] 00 00 [ 35.263162] RAX: 0000000000000000 RBX: ffff8801ce1a4000 RCX: 0000000000000000 [ 35.263169] RDX: 0000000000010000 RSI: ffffffff81631851 RDI: 0000000000000001 [ 35.265283] f3 90 [ 35.270622] RBP: ffff8801dae07fb0 R08: ffff8801a9c52400 R09: ffffed003b5c3ec2 [ 35.270631] R10: ffffed003b5c3ec2 R11: ffff8801dae1f617 R12: fffffe0000011000 [ 35.272745] 0f ae [ 35.274871] R13: fffffe0000007080 R14: 0000000000000027 R15: 0000000000000000 [ 35.274888] ? vprintk_func+0x81/0xe7 [ 35.282116] e8 eb [ 35.289382] ? handle_irq+0x1fb/0x2e7 [ 35.291489] f9 4c [ 35.298751] ? lock_release+0x87/0xa30 [ 35.305999] 89 [ 35.308136] ? rcu_irq_enter+0xd8/0x110 [ 35.315380] 34 24 [ 35.319169] do_IRQ+0x78/0x190 [ 35.321276] 0f [ 35.325058] common_interrupt+0xf/0xf [ 35.327172] 1f [ 35.331046] [ 35.332907] 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 [ 35.358848] RSP: 0018:ffff8801cd80ecb8 EFLAGS: 00010293 [ 35.364190] RAX: ffff8801cd8065c0 RBX: ffff8801d4832200 RCX: ffffffff81601b77 [ 35.371440] RDX: 0000000000000000 RSI: ffffffff85fb9eaf RDI: ffff8801d6419b40 [ 35.378688] RBP: ffff8801cd80ef90 R08: fffffbfff1205391 R09: fffffbfff1205390 [ 35.385932] R10: fffffbfff1205390 R11: ffffffff89029c83 R12: ffffffff8984e080 [ 35.393263] R13: ffff8801d6419b40 R14: 1ffff1003a906446 R15: ffffffff8984de00 [ 35.400509] FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 35.408709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.414565] CR2: 00007fff2099bb70 CR3: 0000000008e6a000 CR4: 00000000001406e0 [ 35.421810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.429067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.436311] Call Trace: [ 35.438880] ? __neigh_create+0x837/0x2080 [ 35.443092] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 35.448607] ? trace_hardirqs_on+0x10/0x10 [ 35.452820] ? trace_hardirqs_on+0x10/0x10 [ 35.457028] ? neigh_hash_alloc+0x1e0/0x1e0 [ 35.461334] ? ip_vs_in_icmp+0x2950/0x2950 [ 35.465544] ? nf_conntrack_in+0xc97/0x1640 [ 35.469843] ? ip_vs_out_icmp_v6.isra.27+0x6c0/0x6c0 [ 35.474920] ? ipv6_ext_hdr+0x7f/0x90 [ 35.478695] ? lock_acquire+0x1e4/0x540 [ 35.482642] ? ip6_finish_output2+0x25b/0x2820 [ 35.487199] ? lock_release+0xa30/0xa30 [ 35.491150] ? save_stack+0x43/0xd0 [ 35.494750] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 35.499922] ip6_finish_output2+0xa5d/0x2820 [ 35.504305] ? ndisc_send_ns+0x3c1/0x8d0 [ 35.508342] ? ip6_flush_pending_frames+0xc0/0xc0 [ 35.513161] ? lock_acquire+0x1e4/0x540 [ 35.517109] ? ip6_mtu+0x39e/0x520 [ 35.520625] ? lock_downgrade+0x8f0/0x8f0 [ 35.524747] ? lock_release+0xa30/0xa30 [ 35.528697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.534210] ? ipv6_confirm+0x46e/0x650 [ 35.538159] ? ipv6_helper+0x3ab/0x540 [ 35.542024] ? ip6_mtu+0x160/0x520 [ 35.545536] ? ip6_dst_ifdown+0x4e0/0x4e0 [ 35.549659] ? lock_release+0xa30/0xa30 [ 35.553608] ip6_finish_output+0x5fe/0xbc0 [ 35.557818] ? ip6_finish_output+0x5fe/0xbc0 [ 35.562200] ip6_output+0x234/0x9d0 [ 35.565800] ? ip6_finish_output+0xbc0/0xbc0 [ 35.570182] ? ip6_fragment+0x3930/0x3930 [ 35.574305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.579816] ndisc_send_skb+0x100d/0x1570 [ 35.583940] ? ndisc_constructor+0xc40/0xc40 [ 35.588325] ? wait_for_completion+0x8d0/0x8d0 [ 35.592881] ? lock_acquire+0x1e4/0x540 [ 35.596839] ? __queue_delayed_work+0x255/0x390 [ 35.601486] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 35.606476] ndisc_send_ns+0x3c1/0x8d0 [ 35.610336] ? lock_downgrade+0x8f0/0x8f0 [ 35.614459] ? ndisc_netdev_event+0x580/0x580 [ 35.618935] ? kasan_check_read+0x11/0x20 [ 35.623062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 35.627444] ? do_raw_write_trylock+0x1c0/0x1c0 [ 35.632088] ? addrconf_dad_work+0xab8/0x1310 [ 35.636559] ? trace_hardirqs_on+0xd/0x10 [ 35.640682] addrconf_dad_work+0xbf2/0x1310 [ 35.644980] ? addrconf_ifdown+0x1670/0x1670 [ 35.649370] ? kasan_check_read+0x11/0x20 [ 35.653510] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 35.658083] ? read_word_at_a_time+0x20/0x20 [ 35.662465] ? do_raw_spin_lock+0xc1/0x200 [ 35.666675] process_one_work+0xc73/0x1ba0 [ 35.670886] ? trace_hardirqs_on+0x10/0x10 [ 35.675098] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 35.679748] ? __sched_text_start+0x8/0x8 [ 35.683869] ? lock_downgrade+0x8f0/0x8f0 [ 35.687997] ? run_rebalance_domains+0x4c0/0x4c0 [ 35.693119] ? kasan_check_write+0x14/0x20 [ 35.697330] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 35.702234] ? lock_downgrade+0x8f0/0x8f0 [ 35.706356] ? lock_acquire+0x1e4/0x540 [ 35.710305] ? worker_thread+0x3dc/0x13c0 [ 35.714426] ? lock_downgrade+0x8f0/0x8f0 [ 35.718548] ? lock_release+0xa30/0xa30 [ 35.722495] ? kasan_check_read+0x11/0x20 [ 35.726615] ? do_raw_spin_unlock+0xa7/0x2f0 [ 35.731000] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 35.735555] ? kasan_check_write+0x14/0x20 [ 35.739764] ? do_raw_spin_lock+0xc1/0x200 [ 35.743972] worker_thread+0x189/0x13c0 [ 35.747924] ? process_one_work+0x1ba0/0x1ba0 [ 35.752399] ? lock_acquire+0x1e4/0x540 [ 35.756348] ? cache_grow_end.part.37+0x95/0x170 [ 35.761080] ? default_wake_function+0x30/0x50 [ 35.765637] ? schedule+0xfb/0x450 [ 35.769150] ? __schedule+0x1ed0/0x1ed0 [ 35.773102] ? do_raw_spin_unlock+0xa7/0x2f0 [ 35.777485] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 35.782042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.787554] ? __kthread_parkme+0x111/0x1d0 [ 35.791848] ? parse_args.cold.15+0x1b3/0x1b3 [ 35.796318] ? trace_hardirqs_on+0xd/0x10 [ 35.800439] kthread+0x345/0x410 [ 35.803779] ? process_one_work+0x1ba0/0x1ba0 [ 35.808248] ? kthread_bind+0x40/0x40 [ 35.812024] ret_from_fork+0x3a/0x50 [ 35.815708] Modules linked in: [ 35.818876] Dumping ftrace buffer: [ 35.822384] (ftrace buffer empty) [ 35.826469] Dumping ftrace buffer: [ 35.830006] (ftrace buffer empty) [ 35.833697] Kernel Offset: disabled [ 35.837305] Rebooting in 86400 seconds..