170 [ 347.097321] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 347.102340] ? graph_lock+0x170/0x170 [ 347.106152] ? mark_held_locks+0xc7/0x130 [ 347.110303] ? find_held_lock+0x36/0x1c0 [ 347.114372] ? cache_grow_begin+0x5a4/0x8c0 [ 347.118697] ? lockdep_hardirqs_on+0x421/0x5c0 [ 347.123283] ? trace_hardirqs_on+0xbd/0x310 [ 347.127606] ? fallback_alloc+0x203/0x2e0 [ 347.131765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.137225] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.142775] cache_grow_begin+0x91/0x8c0 [ 347.146848] ? do_raw_spin_unlock+0xa7/0x2f0 [ 347.151280] fallback_alloc+0x203/0x2e0 [ 347.155279] ____cache_alloc_node+0x1c7/0x1e0 [ 347.159785] kmem_cache_alloc_node_trace+0xe7/0x740 [ 347.164829] __kmalloc_node_track_caller+0x33/0x70 [ 347.169770] __kmalloc_reserve.isra.39+0x41/0xe0 [ 347.174544] __alloc_skb+0x155/0x770 [ 347.178286] ? skb_scrub_packet+0x490/0x490 [ 347.182627] ? if_nlmsg_size+0x5d1/0xbb0 [ 347.186726] ? nla_put_ifalias+0x170/0x170 [ 347.190986] ? sk_psock_stop_strp+0x120/0x120 [ 347.195481] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 347.200499] ? netif_tx_stop_all_queues+0xd9/0x110 [ 347.205436] rtmsg_ifinfo_build_skb+0x74/0x190 [ 347.210057] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 347.214908] rtmsg_ifinfo+0x8c/0xa0 [ 347.218542] dev_close_many+0x3be/0x860 [ 347.222530] ? netdev_master_upper_dev_link+0x50/0x50 [ 347.227724] ? find_held_lock+0x36/0x1c0 [ 347.231813] ? __queue_work+0x6be/0x1440 [ 347.236152] ? lock_downgrade+0x900/0x900 [ 347.240338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.245882] ? rtnl_is_locked+0xb5/0xf0 [ 347.249865] ? rtnl_trylock+0x20/0x20 [ 347.253666] ? do_raw_spin_unlock+0xa7/0x2f0 [ 347.258081] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 347.262677] rollback_registered_many+0x543/0x1210 [ 347.267616] ? generic_xdp_install+0x4c0/0x4c0 [ 347.272208] ? max_active_store+0x170/0x170 [ 347.276547] ? graph_lock+0x170/0x170 [ 347.280351] ? print_usage_bug+0xc0/0xc0 [ 347.284416] ? print_usage_bug+0xc0/0xc0 [ 347.288481] ? __debug_object_init+0x57d/0x1290 [ 347.293171] ? graph_lock+0x170/0x170 [ 347.297005] ? print_usage_bug+0xc0/0xc0 [ 347.301086] ? find_held_lock+0x36/0x1c0 [ 347.305160] ? mark_held_locks+0xc7/0x130 [ 347.309351] rollback_registered+0x1e9/0x420 [ 347.313792] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 347.318388] ? rollback_registered_many+0x1210/0x1210 [ 347.323582] ? trace_hardirqs_on+0xbd/0x310 [ 347.327921] ? linkwatch_schedule_work+0x150/0x170 [ 347.332858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.338328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.343879] ? rtnl_is_locked+0xb5/0xf0 [ 347.347883] ? rtnl_trylock+0x20/0x20 [ 347.351709] ? queue_delayed_work_on+0x130/0x1f0 [ 347.356502] unregister_netdevice_queue+0x321/0x5e0 [ 347.361528] ? rollback_registered+0x420/0x420 [ 347.366115] ? linkwatch_schedule_work+0x170/0x170 [ 347.371047] ? tun_show_owner+0x170/0x170 [ 347.375201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.380764] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 347.386129] ? __tun_detach+0x6ba/0x15c0 [ 347.390217] __tun_detach+0x11b8/0x15c0 [ 347.394233] ? __call_rcu.constprop.69+0x429/0xbc0 [ 347.399187] ? tun_attach+0x1900/0x1900 [ 347.403175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.408742] ? check_preemption_disabled+0x48/0x200 [ 347.413810] ? graph_lock+0x170/0x170 [ 347.417614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.423170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.428713] ? locks_remove_file+0x3c6/0x5c0 [ 347.433132] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.438675] ? ima_file_free+0x132/0x650 [ 347.442778] ? __lock_is_held+0xb5/0x140 [ 347.446863] ? __tun_detach+0x15c0/0x15c0 [ 347.451019] ? __tun_detach+0x15c0/0x15c0 [ 347.455199] tun_chr_close+0xe3/0x180 [ 347.459011] __fput+0x385/0xa30 [ 347.462310] ? get_max_files+0x20/0x20 [ 347.466245] ? ___might_sleep+0x1ed/0x300 [ 347.470410] ? arch_local_save_flags+0x40/0x40 [ 347.475006] ____fput+0x15/0x20 [ 347.478290] task_work_run+0x1e8/0x2a0 [ 347.482184] ? task_work_cancel+0x240/0x240 [ 347.486514] ? switch_task_namespaces+0xb8/0xd0 [ 347.491191] do_exit+0x1ad7/0x2610 [ 347.494751] ? mm_update_next_owner+0x990/0x990 [ 347.499424] ? print_usage_bug+0xc0/0xc0 [ 347.503488] ? perf_trace_lock+0x14d/0x7a0 [ 347.507731] ? __lock_acquire+0x7ec/0x4ec0 [ 347.511980] ? find_held_lock+0x36/0x1c0 [ 347.516052] ? __lock_acquire+0x7ec/0x4ec0 [ 347.520307] ? mark_held_locks+0x130/0x130 [ 347.524560] ? lock_acquire+0x1ed/0x520 [ 347.528542] ? mark_held_locks+0x130/0x130 [ 347.532781] ? arch_local_save_flags+0x40/0x40 [ 347.537369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.542931] ? __mutex_lock+0x85e/0x1700 [ 347.546998] ? __switch_to_asm+0x40/0x70 [ 347.551089] ? __switch_to_asm+0x34/0x70 [ 347.555150] ? pipe_wait+0x266/0x2c0 [ 347.558875] ? mutex_trylock+0x2b0/0x2b0 [ 347.562949] ? graph_lock+0x170/0x170 [ 347.566775] ? find_held_lock+0x36/0x1c0 [ 347.570847] ? memset+0x31/0x40 [ 347.574139] ? find_held_lock+0x36/0x1c0 [ 347.578211] ? get_signal+0x95b/0x1980 [ 347.582105] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.586604] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.591111] do_group_exit+0x177/0x440 [ 347.595002] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.600468] ? __ia32_sys_exit+0x50/0x50 [ 347.604562] get_signal+0x8b0/0x1980 [ 347.608288] ? ptrace_notify+0x130/0x130 [ 347.612387] ? finish_wait+0x430/0x430 [ 347.616308] ? graph_lock+0x170/0x170 [ 347.620117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.625658] ? pipe_read+0x702/0x940 [ 347.629375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.634926] do_signal+0x9c/0x21e0 [ 347.638470] ? __vfs_read+0x11f/0x9b0 [ 347.642282] ? vfs_copy_file_range+0xb90/0xb90 [ 347.646873] ? setup_sigcontext+0x7d0/0x7d0 [ 347.651217] ? exit_to_usermode_loop+0x8c/0x380 [ 347.655907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.661456] exit_to_usermode_loop+0x2e5/0x380 [ 347.666088] ? syscall_slow_exit_work+0x520/0x520 [ 347.670946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.676501] do_syscall_64+0x6be/0x820 [ 347.680393] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 347.685766] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.690696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.695572] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.700597] ? prepare_exit_to_usermode+0x291/0x3b0 [ 347.705623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.710491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.715700] RIP: 0033:0x410fa0 [ 347.718896] Code: Bad RIP value. [ 347.722294] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 347.730008] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 347.737303] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 347.744584] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 347.751854] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 347.759122] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 347.766436] warn_alloc_show_mem: 1 callbacks suppressed [ 347.766463] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 347.766465] Mem-Info: [ 347.766496] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 347.766496] active_file:8 inactive_file:19 isolated_file:0 [ 347.766496] unevictable:0 dirty:0 writeback:0 unstable:0 [ 347.766496] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 347.766496] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 347.766496] free:13766 free_pcp:526 free_cma:0 [ 347.771841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.779222] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 347.781637] Call Trace: [ 347.814588] Node 0 [ 347.823931] [ 347.851698] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 347.854274] dump_stack+0x1c4/0x2b4 [ 347.856476] lowmem_reserve[]: 0 [ 347.858632] ? dump_stack_print_info.cold.2+0x52/0x52 [ 347.884113] 2819 [ 347.887756] warn_alloc.cold.119+0xb7/0x1bd [ 347.891014] 6323 [ 347.896198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.898235] 6323 [ 347.902564] ? lock_downgrade+0x900/0x900 [ 347.904604] Node 0 [ 347.909444] ? trace_hardirqs_off+0xb8/0x310 [ 347.911531] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 347.915650] ? trace_hardirqs_off+0xb8/0x310 [ 347.917858] lowmem_reserve[]: 0 [ 347.922272] __alloc_pages_slowpath+0x2667/0x2d80 [ 347.949782] 0 [ 347.954220] ? warn_alloc+0x120/0x120 [ 347.957447] 3503 [ 347.962285] ? warn_alloc+0x120/0x120 [ 347.964064] 3503 [ 347.967864] ? print_usage_bug+0xc0/0xc0 [ 347.969904] Node 0 [ 347.973702] ? warn_alloc+0x120/0x120 [ 347.975778] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 347.979808] ? print_usage_bug+0xc0/0xc0 [ 347.982023] lowmem_reserve[]: 0 [ 347.985827] ? __lock_acquire+0x7ec/0x4ec0 [ 348.014335] 0 0 [ 348.018419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.021667] 0 [ 348.025906] ? should_fail+0x22d/0xd01 [ 348.027858] Node 0 [ 348.033391] ? __lock_acquire+0x7ec/0x4ec0 [ 348.035163] DMA: 1*4kB [ 348.039056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.041267] (U) [ 348.045497] ? __lock_acquire+0x7ec/0x4ec0 [ 348.048057] 0*8kB [ 348.053158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.055105] 0*16kB 1*32kB [ 348.059348] ? __lock_acquire+0x7ec/0x4ec0 [ 348.061476] (U) [ 348.066574] ? should_fail+0x22d/0xd01 [ 348.069394] 2*64kB [ 348.073630] ? mark_held_locks+0x130/0x130 [ 348.075574] (U) [ 348.079474] ? mark_held_locks+0x130/0x130 [ 348.081852] 1*128kB (U) [ 348.086100] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.088052] 1*256kB [ 348.092316] ? graph_lock+0x170/0x170 [ 348.094955] (U) [ 348.100052] ? print_usage_bug+0xc0/0xc0 [ 348.102383] 0*512kB [ 348.106194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.108145] 1*1024kB [ 348.112215] ? check_preemption_disabled+0x48/0x200 [ 348.114512] (U) [ 348.120038] ? check_preemption_disabled+0x48/0x200 [ 348.120063] ? __lock_is_held+0xb5/0x140 [ 348.122447] 1*2048kB [ 348.127460] __alloc_pages_nodemask+0xa80/0xde0 [ 348.129411] (M) [ 348.134419] ? graph_lock+0x170/0x170 [ 348.138456] 3*4096kB [ 348.140866] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 348.145511] (M) [ 348.147480] ? graph_lock+0x170/0x170 [ 348.151256] = 15908kB [ 348.153672] ? find_held_lock+0x36/0x1c0 [ 348.158665] Node 0 [ 348.160639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.164411] DMA32: [ 348.166824] ? lock_downgrade+0x900/0x900 [ 348.170860] 3*4kB [ 348.173116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.177767] (M) [ 348.180000] cache_grow_begin+0x91/0x8c0 [ 348.184123] 2*8kB [ 348.186270] ? do_raw_spin_unlock+0xa7/0x2f0 [ 348.191781] (UM) [ 348.193766] fallback_alloc+0x203/0x2e0 [ 348.197814] 2*16kB (M) [ 348.199972] ____cache_alloc_node+0x1c7/0x1e0 [ 348.204347] 3*32kB (UM) [ 348.206415] kmem_cache_alloc_node+0xe3/0x730 [ 348.210364] 5*64kB [ 348.212946] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.217414] (UM) [ 348.220102] __alloc_skb+0x119/0x770 [ 348.224567] 3*128kB [ 348.226805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.231014] (M) [ 348.233076] ? skb_scrub_packet+0x490/0x490 [ 348.236769] 3*256kB [ 348.239085] ? lock_downgrade+0x900/0x900 [ 348.244338] (M) [ 348.246331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.250621] 4*512kB (UM) [ 348.252954] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.257072] 3*1024kB (UM) [ 348.259050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.264557] 3*2048kB (UM) [ 348.267319] ? addrconf_rs_timer+0x690/0x690 [ 348.272751] 3*4096kB [ 348.275595] ndisc_alloc_skb+0x144/0x340 [ 348.281014] (M) [ 348.283875] ndisc_send_rs+0x331/0x6e0 [ 348.288261] = 25180kB [ 348.290670] addrconf_rs_timer+0x314/0x690 [ 348.294708] Node 0 [ 348.296712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.300572] Normal: [ 348.302985] call_timer_fn+0x272/0x920 [ 348.307184] 960*4kB [ 348.309428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.313640] (MEH) [ 348.315959] ? process_timeout+0x40/0x40 [ 348.319825] 471*8kB [ 348.322172] ? find_held_lock+0x36/0x1c0 [ 348.326398] (UME) [ 348.328546] ? __run_timers+0x7da/0xc70 [ 348.332577] 178*16kB [ 348.334898] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.338963] (ME) [ 348.341133] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.345085] 44*32kB [ 348.347491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.351963] (UME) [ 348.354037] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 348.358507] 1*64kB [ 348.360839] ? trace_hardirqs_on+0xbd/0x310 [ 348.365044] (U) 0*128kB 0*256kB [ 348.367205] ? kasan_check_read+0x11/0x20 [ 348.371763] 2*512kB (U) [ 348.374032] ? __run_timers+0x7da/0xc70 [ 348.378341] 1*1024kB [ 348.381700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.385829] (U) [ 348.388576] ? prandom_seed_full_state+0x3b0/0x3b0 [ 348.392445] 0*2048kB 0*4096kB [ 348.394863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.400286] = 13976kB [ 348.402274] __run_timers+0x7e5/0xc70 [ 348.407182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.410388] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.414592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.416995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.420779] 2889 total pagecache pages [ 348.429606] ? rcu_bh_qs+0xc0/0xc0 [ 348.434951] 0 pages in swap cache [ 348.443515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.448766] Swap cache stats: add 0, delete 0, find 0/0 [ 348.448775] Free swap = 0kB [ 348.452661] ? check_preemption_disabled+0x48/0x200 [ 348.456172] Total swap = 0kB [ 348.459627] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.465137] 1965979 pages RAM [ 348.470498] ? retint_kernel+0x2d/0x2d [ 348.473490] 0 pages HighMem/MovableOnly [ 348.478502] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.481497] 342306 pages reserved [ 348.486261] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.489353] 0 pages cma reserved [ 348.493235] ? trace_hardirqs_off+0x310/0x310 [ 348.497263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.502111] ? check_preemption_disabled+0x48/0x200 [ 348.505602] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.510284] ? graph_lock+0x170/0x170 [ 348.513623] syz-executor1 cpuset= [ 348.518120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.524586] syz1 [ 348.529597] ? check_preemption_disabled+0x48/0x200 [ 348.540057] mems_allowed=0 [ 348.543856] ? __lock_is_held+0xb5/0x140 [ 348.566796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.572340] ? check_preemption_disabled+0x48/0x200 [ 348.577368] run_timer_softirq+0x52/0xb0 [ 348.581453] ? rcu_read_lock_sched_held+0x108/0x120 [ 348.586475] __do_softirq+0x30b/0xad8 [ 348.590308] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 348.595422] ? pvclock_read_flags+0x160/0x160 [ 348.599920] ? lapic_next_event+0x5a/0x90 [ 348.604075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.609619] ? check_preemption_disabled+0x48/0x200 [ 348.614654] ? check_preemption_disabled+0x48/0x200 [ 348.619678] ? kvm_clock_read+0x18/0x30 [ 348.623655] ? kvm_sched_clock_read+0x9/0x20 [ 348.628068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.633609] ? check_preemption_disabled+0x48/0x200 [ 348.638640] irq_exit+0x17f/0x1c0 [ 348.642104] smp_apic_timer_interrupt+0x1cb/0x760 [ 348.646948] ? smp_reschedule_interrupt+0x109/0x650 [ 348.651967] ? smp_call_function_single_interrupt+0x650/0x650 [ 348.657875] ? interrupt_entry+0xb5/0xf0 [ 348.661949] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.666968] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.671993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.676850] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.681870] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.686890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.692433] ? check_preemption_disabled+0x48/0x200 [ 348.697466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.703013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.707871] apic_timer_interrupt+0xf/0x20 [ 348.712107] [ 348.714361] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 348.719312] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 348.738211] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 348.745923] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 348.753205] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 348.760488] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 348.767761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 348.775033] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 348.782361] skb_clone+0x1bb/0x500 [ 348.785908] ? finish_task_switch+0x2f5/0x900 [ 348.790407] ? skb_split+0x11e0/0x11e0 [ 348.794299] ? preempt_notifier_register+0x200/0x200 [ 348.799412] ? __switch_to_asm+0x34/0x70 [ 348.803473] ? __switch_to_asm+0x34/0x70 [ 348.807535] ? __switch_to_asm+0x40/0x70 [ 348.811601] ? __switch_to_asm+0x34/0x70 [ 348.815663] ? __switch_to_asm+0x40/0x70 [ 348.819728] ? __switch_to_asm+0x34/0x70 [ 348.823806] ? __switch_to_asm+0x40/0x70 [ 348.827870] ? __switch_to_asm+0x34/0x70 [ 348.831937] ? __switch_to_asm+0x34/0x70 [ 348.836000] ? __switch_to_asm+0x40/0x70 [ 348.840064] ? __switch_to_asm+0x34/0x70 [ 348.844135] bpf_clone_redirect+0xb9/0x490 [ 348.848375] ? __schedule+0x874/0x1ed0 [ 348.852276] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 348.857313] ? __sched_text_start+0x8/0x8 [ 348.861469] ? retint_kernel+0x2d/0x2d [ 348.865372] ? find_held_lock+0x36/0x1c0 [ 348.869443] ? lock_acquire+0x1ed/0x520 [ 348.873419] ? bpf_test_run+0x3cb/0x780 [ 348.877401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.882947] ? check_preemption_disabled+0x48/0x200 [ 348.887977] ? kasan_check_read+0x11/0x20 [ 348.892135] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.897416] ? rcu_bh_qs+0xc0/0xc0 [ 348.900964] ? preempt_schedule+0x4d/0x60 [ 348.905129] ? ___preempt_schedule+0x16/0x18 [ 348.909551] ? bpf_test_run+0x25d/0x780 [ 348.913540] ? netlink_diag_dump+0x2a0/0x2a0 [ 348.917960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.923497] ? bpf_test_init.isra.9+0x70/0x100 [ 348.928089] ? bpf_prog_test_run_skb+0x634/0xb40 [ 348.932855] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 348.937750] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.943292] ? fput+0x130/0x1a0 [ 348.946582] ? __bpf_prog_get+0x9b/0x290 [ 348.950661] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 348.955532] ? bpf_prog_test_run+0x130/0x1a0 [ 348.959946] ? __x64_sys_bpf+0x3d8/0x510 [ 348.964023] ? bpf_prog_get+0x20/0x20 [ 348.967846] ? do_syscall_64+0x1b9/0x820 [ 348.971914] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 348.977283] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.982239] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.987284] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 348.992318] ? recalc_sigpending_tsk+0x180/0x180 [ 348.997099] ? kasan_check_write+0x14/0x20 [ 349.001370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.006225] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.011614] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 349.011721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.018901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.018907] Call Trace: [ 349.018915] [ 349.018948] dump_stack+0x1c4/0x2b4 [ 349.018965] ? dump_stack_print_info.cold.2+0x52/0x52 [ 349.025522] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.034821] warn_alloc.cold.119+0xb7/0x1bd [ 349.037373] syz-executor2 cpuset= [ 349.039517] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.043118] syz2 [ 349.048303] ? lock_downgrade+0x900/0x900 [ 349.058768] mems_allowed=0 [ 349.063089] ? trace_hardirqs_off+0xb8/0x310 [ 349.084756] ? trace_hardirqs_off+0xb8/0x310 [ 349.089178] __alloc_pages_slowpath+0x2667/0x2d80 [ 349.094055] ? warn_alloc+0x120/0x120 [ 349.097865] ? warn_alloc+0x120/0x120 [ 349.101669] ? print_usage_bug+0xc0/0xc0 [ 349.105734] ? warn_alloc+0x120/0x120 [ 349.109547] ? print_usage_bug+0xc0/0xc0 [ 349.113614] ? __lock_acquire+0x7ec/0x4ec0 [ 349.117849] ? __lock_acquire+0x7ec/0x4ec0 [ 349.122089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.127631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.133173] ? should_fail+0x22d/0xd01 [ 349.137069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.142178] ? __lock_acquire+0x7ec/0x4ec0 [ 349.146418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.151520] ? __lock_acquire+0x7ec/0x4ec0 [ 349.155762] ? should_fail+0x22d/0xd01 [ 349.159663] ? mark_held_locks+0x130/0x130 [ 349.163901] ? mark_held_locks+0x130/0x130 [ 349.168139] ? graph_lock+0x170/0x170 [ 349.171958] ? print_usage_bug+0xc0/0xc0 [ 349.176035] ? graph_lock+0x170/0x170 [ 349.179848] ? print_usage_bug+0xc0/0xc0 [ 349.183911] ? wq_watchdog_touch+0x9c/0xfe [ 349.188149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.193748] ? check_preemption_disabled+0x48/0x200 [ 349.198790] ? check_preemption_disabled+0x48/0x200 [ 349.203828] ? __lock_is_held+0xb5/0x140 [ 349.207899] __alloc_pages_nodemask+0xa80/0xde0 [ 349.212574] ? graph_lock+0x170/0x170 [ 349.216381] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 349.221399] ? graph_lock+0x170/0x170 [ 349.225224] ? find_held_lock+0x36/0x1c0 [ 349.229296] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.233969] ? lock_downgrade+0x900/0x900 [ 349.238128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.243672] cache_grow_begin+0x91/0x8c0 [ 349.247745] ? do_raw_spin_unlock+0xa7/0x2f0 [ 349.252164] fallback_alloc+0x203/0x2e0 [ 349.256222] ____cache_alloc_node+0x1c7/0x1e0 [ 349.260754] kmem_cache_alloc_node+0xe3/0x730 [ 349.265255] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.269505] __alloc_skb+0x119/0x770 [ 349.273240] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.278539] ? skb_scrub_packet+0x490/0x490 [ 349.282865] ? lock_downgrade+0x900/0x900 [ 349.287038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.292592] ? refcount_sub_and_test_checked+0x203/0x310 [ 349.298049] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 349.303501] ? addrconf_rs_timer+0x690/0x690 [ 349.307924] ndisc_alloc_skb+0x144/0x340 [ 349.311993] ndisc_send_rs+0x331/0x6e0 [ 349.315893] addrconf_rs_timer+0x314/0x690 [ 349.320133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.324384] call_timer_fn+0x272/0x920 [ 349.328271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.332513] ? process_timeout+0x40/0x40 [ 349.336572] ? find_held_lock+0x36/0x1c0 [ 349.340648] ? mark_held_locks+0xc7/0x130 [ 349.344803] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.349305] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.353801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.358043] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.362629] ? trace_hardirqs_on+0xbd/0x310 [ 349.366951] ? kasan_check_read+0x11/0x20 [ 349.371102] ? __run_timers+0x7da/0xc70 [ 349.375081] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.380541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.384782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.389027] __run_timers+0x7e5/0xc70 [ 349.392848] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 349.398215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 349.403232] ? graph_lock+0x170/0x170 [ 349.407040] ? print_usage_bug+0xc0/0xc0 [ 349.411098] ? lock_release+0x970/0x970 [ 349.415073] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.420278] ? find_held_lock+0x36/0x1c0 [ 349.424362] ? graph_lock+0x170/0x170 [ 349.428188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.433776] ? check_preemption_disabled+0x48/0x200 [ 349.438816] ? __lock_is_held+0xb5/0x140 [ 349.442879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.448421] ? check_preemption_disabled+0x48/0x200 [ 349.453446] run_timer_softirq+0x52/0xb0 [ 349.457511] ? rcu_read_lock_sched_held+0x108/0x120 [ 349.462546] __do_softirq+0x30b/0xad8 [ 349.466362] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 349.471474] ? pvclock_read_flags+0x160/0x160 [ 349.475971] ? lapic_next_event+0x5a/0x90 [ 349.480128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.485668] ? check_preemption_disabled+0x48/0x200 [ 349.490713] ? check_preemption_disabled+0x48/0x200 [ 349.495751] ? kvm_clock_read+0x18/0x30 [ 349.499732] ? kvm_sched_clock_read+0x9/0x20 [ 349.504168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.509709] ? check_preemption_disabled+0x48/0x200 [ 349.514760] irq_exit+0x17f/0x1c0 [ 349.518253] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.523106] ? smp_reschedule_interrupt+0x109/0x650 [ 349.528124] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.534014] ? interrupt_entry+0xb5/0xf0 [ 349.538079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.543096] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.548118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.552967] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.557984] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.563005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.568546] ? check_preemption_disabled+0x48/0x200 [ 349.573562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.579112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.583967] apic_timer_interrupt+0xf/0x20 [ 349.588198] [ 349.590438] RIP: 0010:console_unlock+0xfdf/0x1160 [ 349.595296] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 349.614228] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 349.621960] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 349.629247] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 349.636514] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 349.643817] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 349.651087] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 349.658375] ? netconsole_netdev_event+0x280/0x280 [ 349.663315] ? console_unlock+0xfd6/0x1160 [ 349.667590] ? devkmsg_read+0xbb0/0xbb0 [ 349.671565] ? vprintk_emit+0x7f7/0x930 [ 349.675544] ? lock_release+0x970/0x970 [ 349.679520] ? trace_hardirqs_on+0x10/0x310 [ 349.683849] ? vprintk_default+0x28/0x30 [ 349.687913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.693370] ? kasan_check_write+0x14/0x20 [ 349.697609] ? do_raw_spin_lock+0xc1/0x200 [ 349.701853] vprintk_emit+0x33d/0x930 [ 349.705668] ? wake_up_klogd+0x180/0x180 [ 349.709757] ? find_held_lock+0x36/0x1c0 [ 349.713834] ? mark_held_locks+0xc7/0x130 [ 349.717990] vprintk_default+0x28/0x30 [ 349.721881] vprintk_func+0x7e/0x181 [ 349.725599] printk+0xa7/0xcf [ 349.728723] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 349.733492] ? kasan_check_write+0x14/0x20 [ 349.737728] ? do_raw_spin_lock+0xc1/0x200 [ 349.742027] show_free_areas.cold.120+0x1b8e/0x215d [ 349.747112] ? si_meminfo_node+0x260/0x260 [ 349.751364] ? __lock_acquire+0x7ec/0x4ec0 [ 349.755604] ? __lock_acquire+0x7ec/0x4ec0 [ 349.759842] ? __lock_acquire+0x7ec/0x4ec0 [ 349.764082] ? kasan_check_write+0x14/0x20 [ 349.768337] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 349.774148] ? mark_held_locks+0x130/0x130 [ 349.778388] ? mark_held_locks+0x130/0x130 [ 349.782658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.788198] ? graph_lock+0x170/0x170 [ 349.792005] ? put_dec+0x3b/0xf0 [ 349.795378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.800929] ? number+0x972/0xca0 [ 349.804389] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 349.809411] ? find_held_lock+0x36/0x1c0 [ 349.813503] ? serial8250_console_write+0x8b3/0xb10 [ 349.818522] ? lock_downgrade+0x900/0x900 [ 349.822673] ? graph_lock+0x170/0x170 [ 349.826475] ? graph_lock+0x170/0x170 [ 349.830277] ? print_usage_bug+0xc0/0xc0 [ 349.834338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 349.838758] ? trace_hardirqs_on+0x310/0x310 [ 349.843186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.848725] ? wq_watchdog_touch+0x9c/0xfe [ 349.852971] ? io_serial_in+0x11/0x90 [ 349.856781] ? find_held_lock+0x36/0x1c0 [ 349.860859] ? mark_held_locks+0xc7/0x130 [ 349.865016] ? console_unlock+0xfaa/0x1160 [ 349.869253] ? console_unlock+0xfaa/0x1160 [ 349.873494] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.878083] ? vprintk_emit+0x33d/0x930 [ 349.882061] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.887515] ? kasan_check_write+0x14/0x20 [ 349.891777] ? do_raw_spin_lock+0xc1/0x200 [ 349.896025] ? netconsole_netdev_event+0x280/0x280 [ 349.900962] ? console_unlock+0x9ba/0x1160 [ 349.905211] ? devkmsg_read+0xbb0/0xbb0 [ 349.909192] ? lock_release+0x970/0x970 [ 349.913172] ? preempt_count_add+0x7d/0x160 [ 349.917499] ? wake_up_klogd+0x11a/0x180 [ 349.921564] ? console_device+0xc0/0xc0 [ 349.925555] ? vprintk_emit+0x268/0x930 [ 349.929537] ? wake_up_klogd+0x180/0x180 [ 349.933599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 349.938361] ? trace_hardirqs_off+0x310/0x310 [ 349.942860] ? retint_kernel+0x1b/0x2d [ 349.946764] ? trace_hardirqs_on+0x310/0x310 [ 349.951643] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 349.956413] ? retint_kernel+0x2d/0x2d [ 349.960333] ? arch_local_irq_restore+0x45/0x52 [ 349.965008] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 349.970024] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 349.974787] ? show_mem+0x1e/0x17b [ 349.978353] show_mem+0x34/0x17b [ 349.981729] dump_header+0x2f1/0xf72 [ 349.985472] ? pagefault_out_of_memory+0x197/0x197 [ 349.990411] ? __lock_acquire+0x7ec/0x4ec0 [ 349.994653] ? print_usage_bug+0xc0/0xc0 [ 349.998723] ? graph_lock+0x170/0x170 [ 350.002531] ? print_usage_bug+0xc0/0xc0 [ 350.006596] ? print_usage_bug+0xc0/0xc0 [ 350.010668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.016214] ? find_held_lock+0x36/0x1c0 [ 350.020289] ? mark_held_locks+0xc7/0x130 [ 350.024445] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.029549] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.034653] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.039238] ? trace_hardirqs_on+0xbd/0x310 [ 350.043564] ? kasan_check_read+0x11/0x20 [ 350.047714] ? ___ratelimit+0x36f/0x655 [ 350.051711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.057174] ? trace_hardirqs_on+0x310/0x310 [ 350.061589] ? lock_downgrade+0x900/0x900 [ 350.065756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.070864] ? ___ratelimit+0xaa/0x655 [ 350.074765] ? idr_get_free+0xec0/0xec0 [ 350.078751] ? kasan_check_write+0x14/0x20 [ 350.083320] ? do_raw_spin_lock+0xc1/0x200 [ 350.087568] oom_kill_process.cold.27+0x10/0x903 [ 350.092340] ? graph_lock+0x170/0x170 [ 350.096162] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 350.101958] ? kasan_check_read+0x11/0x20 [ 350.106122] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.111403] ? oom_evaluate_task+0x540/0x540 [ 350.115821] ? find_held_lock+0x36/0x1c0 [ 350.119892] ? out_of_memory+0x974/0x1430 [ 350.124056] ? lock_downgrade+0x900/0x900 [ 350.128209] ? check_preemption_disabled+0x48/0x200 [ 350.133236] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 350.139036] ? kasan_check_read+0x11/0x20 [ 350.143187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.148483] ? rcu_bh_qs+0xc0/0xc0 [ 350.152034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.157600] ? oom_evaluate_task+0x302/0x540 [ 350.162013] out_of_memory+0xa84/0x1430 [ 350.166003] ? oom_killer_disable+0x3a0/0x3a0 [ 350.170503] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 350.175439] ? __mutex_add_waiter+0x2a0/0x2a0 [ 350.179955] __alloc_pages_slowpath+0x2318/0x2d80 [ 350.184864] ? warn_alloc+0x120/0x120 [ 350.188673] ? trace_hardirqs_on+0x310/0x310 [ 350.193088] ? print_usage_bug+0xc0/0xc0 [ 350.197150] ? warn_alloc+0x120/0x120 [ 350.200954] ? print_usage_bug+0xc0/0xc0 [ 350.205021] ? print_usage_bug+0xc0/0xc0 [ 350.209097] ? free_one_page+0x1700/0x1700 [ 350.213399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.218939] ? should_fail+0x22d/0xd01 [ 350.222843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.227963] ? __lock_acquire+0x7ec/0x4ec0 [ 350.232242] ? __lock_is_held+0xb5/0x140 [ 350.236316] ? graph_lock+0x170/0x170 [ 350.240124] ? ___might_sleep+0x1ed/0x300 [ 350.244301] ? lock_release+0x970/0x970 [ 350.248278] ? arch_local_save_flags+0x40/0x40 [ 350.252892] ? __might_sleep+0x95/0x190 [ 350.256873] __alloc_pages_nodemask+0xa80/0xde0 [ 350.261541] ? graph_lock+0x170/0x170 [ 350.265346] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 350.270375] ? graph_lock+0x170/0x170 [ 350.274190] ? mark_held_locks+0xc7/0x130 [ 350.278336] ? find_held_lock+0x36/0x1c0 [ 350.282434] ? cache_grow_begin+0x5a4/0x8c0 [ 350.286763] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.291367] ? trace_hardirqs_on+0xbd/0x310 [ 350.295706] ? fallback_alloc+0x203/0x2e0 [ 350.299864] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.305335] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.310876] cache_grow_begin+0x91/0x8c0 [ 350.314943] ? do_raw_spin_unlock+0xa7/0x2f0 [ 350.319366] fallback_alloc+0x203/0x2e0 [ 350.323349] ____cache_alloc_node+0x1c7/0x1e0 [ 350.327853] kmem_cache_alloc_node_trace+0xe7/0x740 [ 350.332889] __kmalloc_node_track_caller+0x33/0x70 [ 350.337830] __kmalloc_reserve.isra.39+0x41/0xe0 [ 350.342621] __alloc_skb+0x155/0x770 [ 350.346338] ? skb_scrub_packet+0x490/0x490 [ 350.350678] ? if_nlmsg_size+0x5d1/0xbb0 [ 350.354754] ? nla_put_ifalias+0x170/0x170 [ 350.359007] ? sk_psock_stop_strp+0x120/0x120 [ 350.363505] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 350.368537] ? netif_tx_stop_all_queues+0xd9/0x110 [ 350.373474] rtmsg_ifinfo_build_skb+0x74/0x190 [ 350.378065] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 350.382914] rtmsg_ifinfo+0x8c/0xa0 [ 350.386550] dev_close_many+0x3be/0x860 [ 350.390534] ? netdev_master_upper_dev_link+0x50/0x50 [ 350.395731] ? find_held_lock+0x36/0x1c0 [ 350.399817] ? __queue_work+0x6be/0x1440 [ 350.403884] ? lock_downgrade+0x900/0x900 [ 350.408041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.413578] ? rtnl_is_locked+0xb5/0xf0 [ 350.417556] ? rtnl_trylock+0x20/0x20 [ 350.421389] ? do_raw_spin_unlock+0xa7/0x2f0 [ 350.425801] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 350.430429] rollback_registered_many+0x543/0x1210 [ 350.435366] ? generic_xdp_install+0x4c0/0x4c0 [ 350.439969] ? max_active_store+0x170/0x170 [ 350.444345] ? graph_lock+0x170/0x170 [ 350.448150] ? print_usage_bug+0xc0/0xc0 [ 350.452213] ? print_usage_bug+0xc0/0xc0 [ 350.456280] ? __debug_object_init+0x57d/0x1290 [ 350.460955] ? graph_lock+0x170/0x170 [ 350.464787] ? print_usage_bug+0xc0/0xc0 [ 350.468858] ? find_held_lock+0x36/0x1c0 [ 350.472933] ? mark_held_locks+0xc7/0x130 [ 350.477087] rollback_registered+0x1e9/0x420 [ 350.481500] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 350.486112] ? rollback_registered_many+0x1210/0x1210 [ 350.491304] ? trace_hardirqs_on+0xbd/0x310 [ 350.495628] ? linkwatch_schedule_work+0x150/0x170 [ 350.500561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.506018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.511558] ? rtnl_is_locked+0xb5/0xf0 [ 350.515538] ? rtnl_trylock+0x20/0x20 [ 350.519349] ? queue_delayed_work_on+0x130/0x1f0 [ 350.524112] unregister_netdevice_queue+0x321/0x5e0 [ 350.529136] ? rollback_registered+0x420/0x420 [ 350.533720] ? linkwatch_schedule_work+0x170/0x170 [ 350.538659] ? tun_show_owner+0x170/0x170 [ 350.542816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.548361] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 350.553729] ? __tun_detach+0x6ba/0x15c0 [ 350.557828] __tun_detach+0x11b8/0x15c0 [ 350.561811] ? __call_rcu.constprop.69+0x429/0xbc0 [ 350.566769] ? tun_attach+0x1900/0x1900 [ 350.570755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.576329] ? check_preemption_disabled+0x48/0x200 [ 350.581386] ? graph_lock+0x170/0x170 [ 350.585190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.590733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.596311] ? locks_remove_file+0x3c6/0x5c0 [ 350.600754] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 350.606299] ? ima_file_free+0x132/0x650 [ 350.610371] ? __lock_is_held+0xb5/0x140 [ 350.614438] ? __tun_detach+0x15c0/0x15c0 [ 350.618592] ? __tun_detach+0x15c0/0x15c0 [ 350.622747] tun_chr_close+0xe3/0x180 [ 350.626556] __fput+0x385/0xa30 [ 350.629851] ? get_max_files+0x20/0x20 [ 350.633753] ? ___might_sleep+0x1ed/0x300 [ 350.637910] ? arch_local_save_flags+0x40/0x40 [ 350.642506] ____fput+0x15/0x20 [ 350.645794] task_work_run+0x1e8/0x2a0 [ 350.649690] ? task_work_cancel+0x240/0x240 [ 350.654028] ? switch_task_namespaces+0xb8/0xd0 [ 350.658707] do_exit+0x1ad7/0x2610 [ 350.662265] ? mm_update_next_owner+0x990/0x990 [ 350.666937] ? print_usage_bug+0xc0/0xc0 [ 350.671018] ? perf_trace_lock+0x14d/0x7a0 [ 350.675302] ? __lock_acquire+0x7ec/0x4ec0 [ 350.679557] ? find_held_lock+0x36/0x1c0 [ 350.683629] ? __lock_acquire+0x7ec/0x4ec0 [ 350.687869] ? mark_held_locks+0x130/0x130 [ 350.692114] ? lock_acquire+0x1ed/0x520 [ 350.696134] ? mark_held_locks+0x130/0x130 [ 350.700385] ? arch_local_save_flags+0x40/0x40 [ 350.704970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.710531] ? __mutex_lock+0x85e/0x1700 [ 350.714596] ? __switch_to_asm+0x40/0x70 [ 350.718658] ? __switch_to_asm+0x34/0x70 [ 350.722718] ? pipe_wait+0x266/0x2c0 [ 350.726447] ? mutex_trylock+0x2b0/0x2b0 [ 350.730532] ? graph_lock+0x170/0x170 [ 350.734334] ? find_held_lock+0x36/0x1c0 [ 350.738402] ? memset+0x31/0x40 [ 350.741691] ? find_held_lock+0x36/0x1c0 [ 350.745774] ? get_signal+0x95b/0x1980 [ 350.749671] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.754184] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.758693] do_group_exit+0x177/0x440 [ 350.762588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.768043] ? __ia32_sys_exit+0x50/0x50 [ 350.772122] get_signal+0x8b0/0x1980 [ 350.775856] ? ptrace_notify+0x130/0x130 [ 350.779927] ? finish_wait+0x430/0x430 [ 350.783821] ? graph_lock+0x170/0x170 [ 350.787632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.793174] ? pipe_read+0x702/0x940 [ 350.796895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.802446] do_signal+0x9c/0x21e0 [ 350.805989] ? __vfs_read+0x11f/0x9b0 [ 350.809827] ? vfs_copy_file_range+0xb90/0xb90 [ 350.814415] ? setup_sigcontext+0x7d0/0x7d0 [ 350.818766] ? exit_to_usermode_loop+0x8c/0x380 [ 350.823455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.829003] exit_to_usermode_loop+0x2e5/0x380 [ 350.833605] ? syscall_slow_exit_work+0x520/0x520 [ 350.838446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.843994] do_syscall_64+0x6be/0x820 [ 350.847883] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 350.853268] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.858213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.863058] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.868084] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.873119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.877974] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.883165] RIP: 0033:0x410fa0 [ 350.886363] Code: Bad RIP value. [ 350.889727] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 350.897443] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 350.904712] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 350.911986] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 350.919269] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 350.926537] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 350.933833] warn_alloc_show_mem: 1 callbacks suppressed [ 350.933845] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 350.933847] Mem-Info: [ 350.933880] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 350.933880] active_file:8 inactive_file:19 isolated_file:0 [ 350.933880] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.933880] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 350.933880] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 350.933880] free:13766 free_pcp:526 free_cma:0 [ 350.939238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.946605] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.949008] Call Trace: [ 350.981960] Node 0 [ 350.991302] [ 351.019070] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 351.021635] dump_stack+0x1c4/0x2b4 [ 351.023837] lowmem_reserve[]: 0 [ 351.025991] ? dump_stack_print_info.cold.2+0x52/0x52 [ 351.051484] 2819 [ 351.055116] warn_alloc.cold.119+0xb7/0x1bd [ 351.058363] 6323 [ 351.064084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.066117] 6323 [ 351.070442] ? lock_downgrade+0x900/0x900 [ 351.072478] Node 0 [ 351.077339] ? trace_hardirqs_off+0xb8/0x310 [ 351.079400] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 351.083523] ? trace_hardirqs_off+0xb8/0x310 [ 351.085729] lowmem_reserve[]: 0 [ 351.090153] __alloc_pages_slowpath+0x2667/0x2d80 [ 351.117284] 0 3503 [ 351.121725] ? warn_alloc+0x120/0x120 [ 351.124953] 3503 [ 351.129807] ? lock_release+0x970/0x970 [ 351.132028] Node 0 [ 351.135841] ? warn_alloc+0x120/0x120 [ 351.137907] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 351.141851] ? print_usage_bug+0xc0/0xc0 [ 351.144063] lowmem_reserve[]: [ 351.147861] ? warn_alloc+0x120/0x120 [ 351.176377] 0 [ 351.180445] ? print_usage_bug+0xc0/0xc0 [ 351.183524] 0 0 [ 351.187329] ? __lock_acquire+0x7ec/0x4ec0 [ 351.189118] 0 [ 351.193174] ? __lock_acquire+0x7ec/0x4ec0 [ 351.195145] Node 0 [ 351.199376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.201152] DMA: [ 351.205431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.207647] 1*4kB [ 351.213176] ? should_fail+0x22d/0xd01 [ 351.215211] (U) [ 351.220746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.222887] 0*8kB [ 351.226784] ? __lock_acquire+0x7ec/0x4ec0 [ 351.228736] 0*16kB [ 351.233835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.235960] 1*32kB [ 351.240185] ? __lock_acquire+0x7ec/0x4ec0 [ 351.242411] (U) [ 351.247508] ? should_fail+0x22d/0xd01 [ 351.249720] 2*64kB (U) [ 351.253972] ? mark_held_locks+0x130/0x130 [ 351.255920] 1*128kB [ 351.259797] ? mark_held_locks+0x130/0x130 [ 351.262391] (U) [ 351.266636] ? graph_lock+0x170/0x170 [ 351.268938] 1*256kB [ 351.273167] ? print_usage_bug+0xc0/0xc0 [ 351.275121] (U) [ 351.278914] ? graph_lock+0x170/0x170 [ 351.281215] 0*512kB [ 351.285266] ? print_usage_bug+0xc0/0xc0 [ 351.287233] 1*1024kB [ 351.291024] ? wq_watchdog_touch+0x9c/0xfe [ 351.293325] (U) [ 351.297395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.299804] 1*2048kB [ 351.304037] ? check_preemption_disabled+0x48/0x200 [ 351.305986] (M) [ 351.311521] ? check_preemption_disabled+0x48/0x200 [ 351.313906] 3*4096kB [ 351.318935] ? __lock_is_held+0xb5/0x140 [ 351.320880] (M) [ 351.325894] __alloc_pages_nodemask+0xa80/0xde0 [ 351.328281] = 15908kB [ 351.332338] ? graph_lock+0x170/0x170 [ 351.334296] Node 0 [ 351.338961] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 351.341360] DMA32: [ 351.345153] ? graph_lock+0x170/0x170 [ 351.347365] 3*4kB [ 351.352381] ? find_held_lock+0x36/0x1c0 [ 351.354590] (M) [ 351.358390] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.360514] 2*8kB [ 351.364570] ? lock_downgrade+0x900/0x900 [ 351.366521] (UM) [ 351.371188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.373317] 2*16kB [ 351.377458] cache_grow_begin+0x91/0x8c0 [ 351.379495] (M) [ 351.385027] ? do_raw_spin_unlock+0xa7/0x2f0 [ 351.387237] 3*32kB [ 351.391314] fallback_alloc+0x203/0x2e0 [ 351.393256] (UM) [ 351.397661] ____cache_alloc_node+0x1c7/0x1e0 [ 351.399872] 5*64kB [ 351.403840] kmem_cache_alloc_node+0xe3/0x730 [ 351.405876] (UM) [ 351.410364] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.412579] 3*128kB [ 351.417070] __alloc_skb+0x119/0x770 [ 351.419103] (M) [ 351.423338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.425632] 3*256kB (M) [ 351.429396] ? skb_scrub_packet+0x490/0x490 [ 351.431347] 4*512kB [ 351.436614] ? lock_downgrade+0x900/0x900 [ 351.439260] (UM) [ 351.443587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.445885] 3*1024kB [ 351.450030] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.452085] (UM) [ 351.457635] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.460023] 3*2048kB [ 351.465466] ? addrconf_rs_timer+0x690/0x690 [ 351.467504] (UM) [ 351.472957] ndisc_alloc_skb+0x144/0x340 [ 351.475351] 3*4096kB [ 351.479772] ndisc_send_rs+0x331/0x6e0 [ 351.481812] (M) [ 351.485881] addrconf_rs_timer+0x314/0x690 [ 351.488265] = 25180kB [ 351.492147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.494097] Node 0 [ 351.498353] call_timer_fn+0x272/0x920 [ 351.500725] Normal: 960*4kB [ 351.504970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.507182] (MEH) [ 351.511091] ? process_timeout+0x40/0x40 [ 351.514087] 471*8kB [ 351.518320] ? find_held_lock+0x36/0x1c0 [ 351.520440] (UME) [ 351.524503] ? __run_timers+0x7da/0xc70 [ 351.526805] 178*16kB [ 351.530864] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.532986] (ME) 44*32kB [ 351.536968] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.539354] (UME) [ 351.543840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.546575] 1*64kB [ 351.551067] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 351.553197] (U) [ 351.557426] ? trace_hardirqs_on+0xbd/0x310 [ 351.559650] 0*128kB 0*256kB [ 351.564236] ? kasan_check_read+0x11/0x20 [ 351.566204] 2*512kB [ 351.570540] ? __run_timers+0x7da/0xc70 [ 351.573536] (U) [ 351.577679] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.579977] 1*1024kB [ 351.583942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.585892] (U) [ 351.591338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.593750] 0*2048kB [ 351.597977] __run_timers+0x7e5/0xc70 [ 351.599929] 0*4096kB [ 351.604164] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 351.606545] = 13976kB [ 351.610360] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.612774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.618127] ? rcu_bh_qs+0xc0/0xc0 [ 351.620520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.625788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.634600] 2889 total pagecache pages [ 351.638151] ? check_preemption_disabled+0x48/0x200 [ 351.646708] 0 pages in swap cache [ 351.652242] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 351.656101] Swap cache stats: add 0, delete 0, find 0/0 [ 351.661109] ? retint_kernel+0x2d/0x2d [ 351.664536] Free swap = 0kB [ 351.669286] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.674622] Total swap = 0kB [ 351.678501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 351.681492] 1965979 pages RAM [ 351.686412] ? trace_hardirqs_off+0x310/0x310 [ 351.689423] 0 pages HighMem/MovableOnly [ 351.694173] ? check_preemption_disabled+0x48/0x200 [ 351.697246] 342306 pages reserved [ 351.697269] 0 pages cma reserved [ 351.701763] ? graph_lock+0x170/0x170 [ 351.705804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.710731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.710756] ? check_preemption_disabled+0x48/0x200 [ 351.710781] ? __lock_is_held+0xb5/0x140 [ 351.714282] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.717567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.721377] syz-executor1 cpuset= [ 351.727900] ? check_preemption_disabled+0x48/0x200 [ 351.733409] syz1 [ 351.738427] run_timer_softirq+0x52/0xb0 [ 351.742462] mems_allowed=0 [ 351.752943] ? rcu_read_lock_sched_held+0x108/0x120 [ 351.780830] __do_softirq+0x30b/0xad8 [ 351.784648] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 351.789767] ? pvclock_read_flags+0x160/0x160 [ 351.794269] ? lapic_next_event+0x5a/0x90 [ 351.798421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.803965] ? check_preemption_disabled+0x48/0x200 [ 351.808981] ? check_preemption_disabled+0x48/0x200 [ 351.814006] ? kvm_clock_read+0x18/0x30 [ 351.817988] ? kvm_sched_clock_read+0x9/0x20 [ 351.822405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.827964] ? check_preemption_disabled+0x48/0x200 [ 351.832996] irq_exit+0x17f/0x1c0 [ 351.836455] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.841296] ? smp_reschedule_interrupt+0x109/0x650 [ 351.846321] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.852210] ? interrupt_entry+0xb5/0xf0 [ 351.856275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.861296] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.866330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.871177] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.876233] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.881281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.886855] ? check_preemption_disabled+0x48/0x200 [ 351.891871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.897420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.902276] apic_timer_interrupt+0xf/0x20 [ 351.906514] [ 351.908765] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 351.913711] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 351.932625] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.940339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.947609] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 351.954979] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 351.962248] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 351.969518] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 351.976831] skb_clone+0x1bb/0x500 [ 351.980376] ? finish_task_switch+0x2f5/0x900 [ 351.984879] ? skb_split+0x11e0/0x11e0 [ 351.988776] ? preempt_notifier_register+0x200/0x200 [ 351.993884] ? __switch_to_asm+0x34/0x70 [ 351.997946] ? __switch_to_asm+0x34/0x70 [ 352.002013] ? __switch_to_asm+0x40/0x70 [ 352.006074] ? __switch_to_asm+0x34/0x70 [ 352.010134] ? __switch_to_asm+0x40/0x70 [ 352.014197] ? __switch_to_asm+0x34/0x70 [ 352.018258] ? __switch_to_asm+0x40/0x70 [ 352.022324] ? __switch_to_asm+0x34/0x70 [ 352.026389] ? __switch_to_asm+0x34/0x70 [ 352.030453] ? __switch_to_asm+0x40/0x70 [ 352.034514] ? __switch_to_asm+0x34/0x70 [ 352.038589] bpf_clone_redirect+0xb9/0x490 [ 352.042826] ? __schedule+0x874/0x1ed0 [ 352.046723] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 352.051756] ? __sched_text_start+0x8/0x8 [ 352.055944] ? retint_kernel+0x2d/0x2d [ 352.059845] ? find_held_lock+0x36/0x1c0 [ 352.063920] ? lock_acquire+0x1ed/0x520 [ 352.067901] ? bpf_test_run+0x3cb/0x780 [ 352.071879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.077423] ? check_preemption_disabled+0x48/0x200 [ 352.082957] ? kasan_check_read+0x11/0x20 [ 352.087108] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.092388] ? rcu_bh_qs+0xc0/0xc0 [ 352.095931] ? preempt_schedule+0x4d/0x60 [ 352.100084] ? ___preempt_schedule+0x16/0x18 [ 352.104505] ? bpf_test_run+0x25d/0x780 [ 352.108496] ? netlink_diag_dump+0x2a0/0x2a0 [ 352.112910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.118449] ? bpf_test_init.isra.9+0x70/0x100 [ 352.123037] ? bpf_prog_test_run_skb+0x634/0xb40 [ 352.127804] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 352.132646] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.138189] ? fput+0x130/0x1a0 [ 352.141486] ? __bpf_prog_get+0x9b/0x290 [ 352.145549] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 352.150391] ? bpf_prog_test_run+0x130/0x1a0 [ 352.154809] ? __x64_sys_bpf+0x3d8/0x510 [ 352.158873] ? bpf_prog_get+0x20/0x20 [ 352.162701] ? do_syscall_64+0x1b9/0x820 [ 352.166772] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 352.172141] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.177076] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.182097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 352.187117] ? recalc_sigpending_tsk+0x180/0x180 [ 352.191878] ? kasan_check_write+0x14/0x20 [ 352.196122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.200974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.206369] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 352.206456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.213646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.213652] Call Trace: [ 352.213659] [ 352.213677] dump_stack+0x1c4/0x2b4 [ 352.213696] ? dump_stack_print_info.cold.2+0x52/0x52 [ 352.220265] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.229534] warn_alloc.cold.119+0xb7/0x1bd [ 352.232086] syz-executor2 cpuset= [ 352.234231] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.237867] syz2 [ 352.243052] ? lock_downgrade+0x900/0x900 [ 352.253513] mems_allowed=0 [ 352.257834] ? trace_hardirqs_off+0xb8/0x310 [ 352.279493] ? trace_hardirqs_off+0xb8/0x310 [ 352.283913] __alloc_pages_slowpath+0x2667/0x2d80 [ 352.288795] ? warn_alloc+0x120/0x120 [ 352.292610] ? warn_alloc+0x120/0x120 [ 352.296414] ? print_usage_bug+0xc0/0xc0 [ 352.300477] ? warn_alloc+0x120/0x120 [ 352.304279] ? print_usage_bug+0xc0/0xc0 [ 352.308346] ? __lock_acquire+0x7ec/0x4ec0 [ 352.312579] ? __lock_acquire+0x7ec/0x4ec0 [ 352.316823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.322368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.327911] ? should_fail+0x22d/0xd01 [ 352.331804] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.336917] ? __lock_acquire+0x7ec/0x4ec0 [ 352.341174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.346296] ? __lock_acquire+0x7ec/0x4ec0 [ 352.350529] ? should_fail+0x22d/0xd01 [ 352.354430] ? mark_held_locks+0x130/0x130 [ 352.358671] ? mark_held_locks+0x130/0x130 [ 352.362911] ? graph_lock+0x170/0x170 [ 352.366717] ? print_usage_bug+0xc0/0xc0 [ 352.370786] ? graph_lock+0x170/0x170 [ 352.374612] ? print_usage_bug+0xc0/0xc0 [ 352.378677] ? wq_watchdog_touch+0x9c/0xfe [ 352.382919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.388547] ? check_preemption_disabled+0x48/0x200 [ 352.393564] ? check_preemption_disabled+0x48/0x200 [ 352.398593] ? __lock_is_held+0xb5/0x140 [ 352.402662] __alloc_pages_nodemask+0xa80/0xde0 [ 352.407333] ? graph_lock+0x170/0x170 [ 352.411143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 352.416171] ? graph_lock+0x170/0x170 [ 352.419984] ? find_held_lock+0x36/0x1c0 [ 352.424060] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.428732] ? lock_downgrade+0x900/0x900 [ 352.432899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.438443] cache_grow_begin+0x91/0x8c0 [ 352.442507] ? do_raw_spin_unlock+0xa7/0x2f0 [ 352.446929] fallback_alloc+0x203/0x2e0 [ 352.450915] ____cache_alloc_node+0x1c7/0x1e0 [ 352.455418] kmem_cache_alloc_node+0xe3/0x730 [ 352.459917] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.464165] __alloc_skb+0x119/0x770 [ 352.467881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.473162] ? skb_scrub_packet+0x490/0x490 [ 352.477486] ? lock_downgrade+0x900/0x900 [ 352.481658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.487226] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.492692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.498168] ? addrconf_rs_timer+0x690/0x690 [ 352.502594] ndisc_alloc_skb+0x144/0x340 [ 352.506661] ndisc_send_rs+0x331/0x6e0 [ 352.510734] addrconf_rs_timer+0x314/0x690 [ 352.514985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.519236] call_timer_fn+0x272/0x920 [ 352.523127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.527398] ? process_timeout+0x40/0x40 [ 352.531470] ? find_held_lock+0x36/0x1c0 [ 352.535541] ? mark_held_locks+0xc7/0x130 [ 352.539738] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.544248] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.548754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.552993] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.557583] ? trace_hardirqs_on+0xbd/0x310 [ 352.561910] ? kasan_check_read+0x11/0x20 [ 352.566076] ? __run_timers+0x7da/0xc70 [ 352.570097] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.575568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.579826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.584062] __run_timers+0x7e5/0xc70 [ 352.587876] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 352.593247] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 352.598280] ? graph_lock+0x170/0x170 [ 352.602086] ? print_usage_bug+0xc0/0xc0 [ 352.606146] ? lock_release+0x970/0x970 [ 352.610128] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 352.615327] ? find_held_lock+0x36/0x1c0 [ 352.619392] ? graph_lock+0x170/0x170 [ 352.623210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.628774] ? check_preemption_disabled+0x48/0x200 [ 352.633828] ? __lock_is_held+0xb5/0x140 [ 352.637892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.643465] ? check_preemption_disabled+0x48/0x200 [ 352.648491] run_timer_softirq+0x52/0xb0 [ 352.652555] ? rcu_read_lock_sched_held+0x108/0x120 [ 352.657573] __do_softirq+0x30b/0xad8 [ 352.661388] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 352.666533] ? pvclock_read_flags+0x160/0x160 [ 352.671030] ? lapic_next_event+0x5a/0x90 [ 352.675181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.680718] ? check_preemption_disabled+0x48/0x200 [ 352.685753] ? check_preemption_disabled+0x48/0x200 [ 352.690788] ? kvm_clock_read+0x18/0x30 [ 352.694774] ? kvm_sched_clock_read+0x9/0x20 [ 352.699206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.704767] ? check_preemption_disabled+0x48/0x200 [ 352.709800] irq_exit+0x17f/0x1c0 [ 352.713268] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.718109] ? smp_reschedule_interrupt+0x109/0x650 [ 352.723127] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.729020] ? interrupt_entry+0xb5/0xf0 [ 352.733085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.738102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.743118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.747960] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.752975] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.757992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.763536] ? check_preemption_disabled+0x48/0x200 [ 352.768560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.774111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.778965] apic_timer_interrupt+0xf/0x20 [ 352.783198] [ 352.785438] RIP: 0010:console_unlock+0xfdf/0x1160 [ 352.790287] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 352.809185] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 352.816897] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 352.824166] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 352.831433] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 352.838702] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 352.845970] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 352.853277] ? netconsole_netdev_event+0x280/0x280 [ 352.858225] ? console_unlock+0xfd6/0x1160 [ 352.862494] ? devkmsg_read+0xbb0/0xbb0 [ 352.866473] ? vprintk_emit+0x7f7/0x930 [ 352.870458] ? lock_release+0x970/0x970 [ 352.874452] ? trace_hardirqs_on+0x10/0x310 [ 352.878782] ? vprintk_default+0x28/0x30 [ 352.882849] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.888306] ? kasan_check_write+0x14/0x20 [ 352.892544] ? do_raw_spin_lock+0xc1/0x200 [ 352.896790] vprintk_emit+0x33d/0x930 [ 352.900603] ? wake_up_klogd+0x180/0x180 [ 352.904684] ? find_held_lock+0x36/0x1c0 [ 352.908766] ? mark_held_locks+0xc7/0x130 [ 352.912925] vprintk_default+0x28/0x30 [ 352.916824] vprintk_func+0x7e/0x181 [ 352.920540] printk+0xa7/0xcf [ 352.923676] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 352.928445] ? kasan_check_write+0x14/0x20 [ 352.932683] ? do_raw_spin_lock+0xc1/0x200 [ 352.936934] show_free_areas.cold.120+0x1b8e/0x215d [ 352.941976] ? si_meminfo_node+0x260/0x260 [ 352.946217] ? __lock_acquire+0x7ec/0x4ec0 [ 352.950458] ? __lock_acquire+0x7ec/0x4ec0 [ 352.954701] ? __lock_acquire+0x7ec/0x4ec0 [ 352.958944] ? kasan_check_write+0x14/0x20 [ 352.963185] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 352.968998] ? mark_held_locks+0x130/0x130 [ 352.973235] ? mark_held_locks+0x130/0x130 [ 352.977477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.983015] ? graph_lock+0x170/0x170 [ 352.986824] ? put_dec+0x3b/0xf0 [ 352.990195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.995733] ? number+0x972/0xca0 [ 352.999199] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 353.004219] ? find_held_lock+0x36/0x1c0 [ 353.008296] ? serial8250_console_write+0x8b3/0xb10 [ 353.013332] ? lock_downgrade+0x900/0x900 [ 353.017486] ? graph_lock+0x170/0x170 [ 353.021286] ? graph_lock+0x170/0x170 [ 353.025088] ? print_usage_bug+0xc0/0xc0 [ 353.029155] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.033565] ? trace_hardirqs_on+0x310/0x310 [ 353.037974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.043512] ? wq_watchdog_touch+0x9c/0xfe [ 353.047756] ? io_serial_in+0x11/0x90 [ 353.051569] ? find_held_lock+0x36/0x1c0 [ 353.055644] ? mark_held_locks+0xc7/0x130 [ 353.059798] ? console_unlock+0xfaa/0x1160 [ 353.064040] ? console_unlock+0xfaa/0x1160 [ 353.068277] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.072867] ? vprintk_emit+0x33d/0x930 [ 353.076848] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.082305] ? kasan_check_write+0x14/0x20 [ 353.086546] ? do_raw_spin_lock+0xc1/0x200 [ 353.090789] ? netconsole_netdev_event+0x280/0x280 [ 353.095728] ? console_unlock+0x9ba/0x1160 [ 353.099983] ? devkmsg_read+0xbb0/0xbb0 [ 353.103963] ? lock_release+0x970/0x970 [ 353.107945] ? preempt_count_add+0x7d/0x160 [ 353.112271] ? wake_up_klogd+0x11a/0x180 [ 353.116336] ? console_device+0xc0/0xc0 [ 353.120336] ? vprintk_emit+0x268/0x930 [ 353.124336] ? wake_up_klogd+0x180/0x180 [ 353.128400] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.133157] ? trace_hardirqs_off+0x310/0x310 [ 353.137657] ? retint_kernel+0x1b/0x2d [ 353.141545] ? trace_hardirqs_on+0x310/0x310 [ 353.145978] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.150841] ? retint_kernel+0x2d/0x2d [ 353.154750] ? arch_local_irq_restore+0x45/0x52 [ 353.159436] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 353.164456] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 353.169223] ? show_mem+0x1e/0x17b [ 353.172784] show_mem+0x34/0x17b [ 353.176164] dump_header+0x2f1/0xf72 [ 353.179896] ? pagefault_out_of_memory+0x197/0x197 [ 353.184838] ? __lock_acquire+0x7ec/0x4ec0 [ 353.189079] ? print_usage_bug+0xc0/0xc0 [ 353.193165] ? graph_lock+0x170/0x170 [ 353.196982] ? print_usage_bug+0xc0/0xc0 [ 353.201043] ? print_usage_bug+0xc0/0xc0 [ 353.205122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.210670] ? find_held_lock+0x36/0x1c0 [ 353.214749] ? mark_held_locks+0xc7/0x130 [ 353.218913] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.224023] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.229130] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.233714] ? trace_hardirqs_on+0xbd/0x310 [ 353.238044] ? kasan_check_read+0x11/0x20 [ 353.242192] ? ___ratelimit+0x36f/0x655 [ 353.246170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.251622] ? trace_hardirqs_on+0x310/0x310 [ 353.256030] ? lock_downgrade+0x900/0x900 [ 353.260187] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.265307] ? ___ratelimit+0xaa/0x655 [ 353.269202] ? idr_get_free+0xec0/0xec0 [ 353.273181] ? kasan_check_write+0x14/0x20 [ 353.277420] ? do_raw_spin_lock+0xc1/0x200 [ 353.281664] oom_kill_process.cold.27+0x10/0x903 [ 353.286420] ? graph_lock+0x170/0x170 [ 353.290231] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 353.296036] ? kasan_check_read+0x11/0x20 [ 353.300185] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.305467] ? oom_evaluate_task+0x540/0x540 [ 353.309882] ? find_held_lock+0x36/0x1c0 [ 353.313957] ? out_of_memory+0x974/0x1430 [ 353.318110] ? lock_downgrade+0x900/0x900 [ 353.322264] ? check_preemption_disabled+0x48/0x200 [ 353.327314] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 353.333172] ? kasan_check_read+0x11/0x20 [ 353.337332] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.342640] ? rcu_bh_qs+0xc0/0xc0 [ 353.346185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.351719] ? oom_evaluate_task+0x302/0x540 [ 353.356156] out_of_memory+0xa84/0x1430 [ 353.360144] ? oom_killer_disable+0x3a0/0x3a0 [ 353.364645] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 353.369578] ? __mutex_add_waiter+0x2a0/0x2a0 [ 353.374088] __alloc_pages_slowpath+0x2318/0x2d80 [ 353.378963] ? warn_alloc+0x120/0x120 [ 353.382776] ? trace_hardirqs_on+0x310/0x310 [ 353.387217] ? print_usage_bug+0xc0/0xc0 [ 353.391287] ? warn_alloc+0x120/0x120 [ 353.395093] ? print_usage_bug+0xc0/0xc0 [ 353.399162] ? print_usage_bug+0xc0/0xc0 [ 353.403220] ? free_one_page+0x1700/0x1700 [ 353.407479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.413023] ? should_fail+0x22d/0xd01 [ 353.416919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.422025] ? __lock_acquire+0x7ec/0x4ec0 [ 353.426293] ? __lock_is_held+0xb5/0x140 [ 353.430380] ? graph_lock+0x170/0x170 [ 353.434186] ? ___might_sleep+0x1ed/0x300 [ 353.438348] ? lock_release+0x970/0x970 [ 353.442329] ? arch_local_save_flags+0x40/0x40 [ 353.446926] ? __might_sleep+0x95/0x190 [ 353.450906] __alloc_pages_nodemask+0xa80/0xde0 [ 353.455577] ? graph_lock+0x170/0x170 [ 353.459414] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 353.464429] ? graph_lock+0x170/0x170 [ 353.468243] ? mark_held_locks+0xc7/0x130 [ 353.472391] ? find_held_lock+0x36/0x1c0 [ 353.476474] ? cache_grow_begin+0x5a4/0x8c0 [ 353.480799] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.485393] ? trace_hardirqs_on+0xbd/0x310 [ 353.489720] ? fallback_alloc+0x203/0x2e0 [ 353.493877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.499337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.504882] cache_grow_begin+0x91/0x8c0 [ 353.508946] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.513363] fallback_alloc+0x203/0x2e0 [ 353.517345] ____cache_alloc_node+0x1c7/0x1e0 [ 353.521853] kmem_cache_alloc_node_trace+0xe7/0x740 [ 353.526888] __kmalloc_node_track_caller+0x33/0x70 [ 353.531831] __kmalloc_reserve.isra.39+0x41/0xe0 [ 353.536595] __alloc_skb+0x155/0x770 [ 353.540320] ? skb_scrub_packet+0x490/0x490 [ 353.544646] ? if_nlmsg_size+0x5d1/0xbb0 [ 353.548716] ? nla_put_ifalias+0x170/0x170 [ 353.552976] ? sk_psock_stop_strp+0x120/0x120 [ 353.557475] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 353.562492] ? netif_tx_stop_all_queues+0xd9/0x110 [ 353.567431] rtmsg_ifinfo_build_skb+0x74/0x190 [ 353.572020] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 353.576869] rtmsg_ifinfo+0x8c/0xa0 [ 353.580509] dev_close_many+0x3be/0x860 [ 353.584498] ? netdev_master_upper_dev_link+0x50/0x50 [ 353.589692] ? find_held_lock+0x36/0x1c0 [ 353.593771] ? __queue_work+0x6be/0x1440 [ 353.597840] ? lock_downgrade+0x900/0x900 [ 353.602001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.607543] ? rtnl_is_locked+0xb5/0xf0 [ 353.611519] ? rtnl_trylock+0x20/0x20 [ 353.615320] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.619733] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 353.624332] rollback_registered_many+0x543/0x1210 [ 353.629273] ? generic_xdp_install+0x4c0/0x4c0 [ 353.633864] ? max_active_store+0x170/0x170 [ 353.638187] ? graph_lock+0x170/0x170 [ 353.641989] ? print_usage_bug+0xc0/0xc0 [ 353.646052] ? print_usage_bug+0xc0/0xc0 [ 353.650120] ? __debug_object_init+0x57d/0x1290 [ 353.654792] ? graph_lock+0x170/0x170 [ 353.658602] ? print_usage_bug+0xc0/0xc0 [ 353.662673] ? find_held_lock+0x36/0x1c0 [ 353.666754] ? mark_held_locks+0xc7/0x130 [ 353.670915] rollback_registered+0x1e9/0x420 [ 353.675326] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 353.679913] ? rollback_registered_many+0x1210/0x1210 [ 353.685103] ? trace_hardirqs_on+0xbd/0x310 [ 353.689428] ? linkwatch_schedule_work+0x150/0x170 [ 353.694365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.699826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.705367] ? rtnl_is_locked+0xb5/0xf0 [ 353.709343] ? rtnl_trylock+0x20/0x20 [ 353.713166] ? queue_delayed_work_on+0x130/0x1f0 [ 353.717934] unregister_netdevice_queue+0x321/0x5e0 [ 353.722954] ? rollback_registered+0x420/0x420 [ 353.727539] ? linkwatch_schedule_work+0x170/0x170 [ 353.732472] ? tun_show_owner+0x170/0x170 [ 353.736623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.742167] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 353.747552] ? __tun_detach+0x6ba/0x15c0 [ 353.751624] __tun_detach+0x11b8/0x15c0 [ 353.755631] ? __call_rcu.constprop.69+0x429/0xbc0 [ 353.760574] ? tun_attach+0x1900/0x1900 [ 353.764554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.770095] ? check_preemption_disabled+0x48/0x200 [ 353.775125] ? graph_lock+0x170/0x170 [ 353.778947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.784517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.790053] ? locks_remove_file+0x3c6/0x5c0 [ 353.794465] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 353.800007] ? ima_file_free+0x132/0x650 [ 353.804078] ? __lock_is_held+0xb5/0x140 [ 353.808180] ? __tun_detach+0x15c0/0x15c0 [ 353.812352] ? __tun_detach+0x15c0/0x15c0 [ 353.816503] tun_chr_close+0xe3/0x180 [ 353.820314] __fput+0x385/0xa30 [ 353.823609] ? get_max_files+0x20/0x20 [ 353.827508] ? ___might_sleep+0x1ed/0x300 [ 353.831662] ? arch_local_save_flags+0x40/0x40 [ 353.836256] ____fput+0x15/0x20 [ 353.839541] task_work_run+0x1e8/0x2a0 [ 353.843436] ? task_work_cancel+0x240/0x240 [ 353.847771] ? switch_task_namespaces+0xb8/0xd0 [ 353.852450] do_exit+0x1ad7/0x2610 [ 353.856007] ? mm_update_next_owner+0x990/0x990 [ 353.860682] ? print_usage_bug+0xc0/0xc0 [ 353.864753] ? perf_trace_lock+0x14d/0x7a0 [ 353.868998] ? __lock_acquire+0x7ec/0x4ec0 [ 353.873253] ? find_held_lock+0x36/0x1c0 [ 353.877327] ? __lock_acquire+0x7ec/0x4ec0 [ 353.881755] ? mark_held_locks+0x130/0x130 [ 353.886008] ? lock_acquire+0x1ed/0x520 [ 353.889996] ? mark_held_locks+0x130/0x130 [ 353.894235] ? arch_local_save_flags+0x40/0x40 [ 353.898825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.904383] ? __mutex_lock+0x85e/0x1700 [ 353.908449] ? __switch_to_asm+0x40/0x70 [ 353.912512] ? __switch_to_asm+0x34/0x70 [ 353.916592] ? pipe_wait+0x266/0x2c0 [ 353.920315] ? mutex_trylock+0x2b0/0x2b0 [ 353.924392] ? graph_lock+0x170/0x170 [ 353.928196] ? find_held_lock+0x36/0x1c0 [ 353.932263] ? memset+0x31/0x40 [ 353.935554] ? find_held_lock+0x36/0x1c0 [ 353.939636] ? get_signal+0x95b/0x1980 [ 353.943539] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.948050] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.952964] do_group_exit+0x177/0x440 [ 353.956874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.962346] ? __ia32_sys_exit+0x50/0x50 [ 353.966437] get_signal+0x8b0/0x1980 [ 353.970172] ? ptrace_notify+0x130/0x130 [ 353.974242] ? finish_wait+0x430/0x430 [ 353.978132] ? graph_lock+0x170/0x170 [ 353.981946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.987491] ? pipe_read+0x702/0x940 [ 353.991208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.996769] do_signal+0x9c/0x21e0 [ 354.000347] ? __vfs_read+0x11f/0x9b0 [ 354.004161] ? vfs_copy_file_range+0xb90/0xb90 [ 354.008755] ? setup_sigcontext+0x7d0/0x7d0 [ 354.013106] ? exit_to_usermode_loop+0x8c/0x380 [ 354.017801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.023356] exit_to_usermode_loop+0x2e5/0x380 [ 354.027950] ? syscall_slow_exit_work+0x520/0x520 [ 354.032792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.038348] do_syscall_64+0x6be/0x820 [ 354.042243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 354.047613] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.052544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.057424] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.062467] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.067495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.072356] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.077549] RIP: 0033:0x410fa0 [ 354.080754] Code: Bad RIP value. [ 354.084411] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 354.092126] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 354.099393] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 354.106662] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 354.113933] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 354.121200] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 354.128497] warn_alloc_show_mem: 1 callbacks suppressed [ 354.128509] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 354.128511] Mem-Info: [ 354.128543] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 354.128543] active_file:8 inactive_file:19 isolated_file:0 [ 354.128543] unevictable:0 dirty:0 writeback:0 unstable:0 [ 354.128543] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 354.128543] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 354.128543] free:13766 free_pcp:526 free_cma:0 [ 354.133889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.141268] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 354.143667] Call Trace: [ 354.176626] Node 0 [ 354.185975] [ 354.213777] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 354.216350] dump_stack+0x1c4/0x2b4 [ 354.218548] lowmem_reserve[]: 0 [ 354.220707] ? dump_stack_print_info.cold.2+0x52/0x52 [ 354.246184] 2819 [ 354.249821] warn_alloc.cold.119+0xb7/0x1bd [ 354.253071] 6323 [ 354.258255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.260298] 6323 [ 354.264642] ? lock_downgrade+0x900/0x900 [ 354.266680] Node 0 [ 354.271525] ? trace_hardirqs_off+0xb8/0x310 [ 354.273584] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 354.277720] ? trace_hardirqs_off+0xb8/0x310 [ 354.279928] lowmem_reserve[]: 0 [ 354.284347] __alloc_pages_slowpath+0x2667/0x2d80 [ 354.311473] 0 [ 354.315904] ? warn_alloc+0x120/0x120 [ 354.319129] 3503 [ 354.323970] ? trace_hardirqs_on+0x310/0x310 [ 354.325752] 3503 [ 354.329547] ? warn_alloc+0x120/0x120 [ 354.335988] ? print_usage_bug+0xc0/0xc0 [ 354.338028] Node 0 [ 354.341827] ? warn_alloc+0x120/0x120 [ 354.345887] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 354.348095] ? ktime_get+0x2e1/0x440 [ 354.351862] lowmem_reserve[]: 0 [ 354.380420] ? print_usage_bug+0xc0/0xc0 [ 354.384113] 0 [ 354.387386] ? __lock_acquire+0x7ec/0x4ec0 [ 354.391417] 0 0 [ 354.393222] ? __lock_acquire+0x7ec/0x4ec0 [ 354.397431] Node 0 [ 354.399405] ? kasan_check_read+0x11/0x20 [ 354.403616] DMA: [ 354.405854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.409973] 1*4kB [ 354.412035] ? should_fail+0x22d/0xd01 [ 354.417545] (U) [ 354.419693] ? rcu_bh_qs+0xc0/0xc0 [ 354.423556] 0*8kB [ 354.425531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.429045] 0*16kB [ 354.431190] ? __lock_acquire+0x7ec/0x4ec0 [ 354.436268] 1*32kB [ 354.438501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.442708] (U) [ 354.444940] ? __lock_acquire+0x7ec/0x4ec0 [ 354.450021] 2*64kB [ 354.451995] ? should_fail+0x22d/0xd01 [ 354.456205] (U) [ 354.458445] ? rcu_idle_enter+0x4b0/0x4b0 [ 354.462309] 1*128kB [ 354.464290] ? mark_held_locks+0x130/0x130 [ 354.468410] (U) [ 354.470728] ? mark_held_locks+0x130/0x130 [ 354.474939] 1*256kB (U) [ 354.476920] ? mark_held_locks+0xc7/0x130 [ 354.481126] 0*512kB 1*1024kB [ 354.483803] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 354.487920] (U) 1*2048kB [ 354.491028] ? graph_lock+0x170/0x170 [ 354.496012] (M) 3*4096kB [ 354.498777] ? print_usage_bug+0xc0/0xc0 [ 354.502557] (M) [ 354.505319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.509346] = 15908kB [ 354.511327] ? check_preemption_disabled+0x48/0x200 [ 354.516839] Node 0 [ 354.519245] ? check_preemption_disabled+0x48/0x200 [ 354.524231] DMA32: 3*4kB [ 354.526477] ? __lock_is_held+0xb5/0x140 [ 354.531464] (M) [ 354.534243] __alloc_pages_nodemask+0xa80/0xde0 [ 354.538282] 2*8kB [ 354.540254] ? graph_lock+0x170/0x170 [ 354.544893] (UM) 2*16kB [ 354.547050] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 354.550846] (M) [ 354.553512] ? graph_lock+0x170/0x170 [ 354.558507] 3*32kB [ 354.560483] ? find_held_lock+0x36/0x1c0 [ 354.564268] (UM) [ 354.566508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.570537] 5*64kB [ 354.572592] ? lock_downgrade+0x900/0x900 [ 354.577234] (UM) [ 354.579485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.583599] 3*128kB (M) [ 354.585667] cache_grow_begin+0x91/0x8c0 [ 354.591175] 3*256kB (M) [ 354.593851] ? do_raw_spin_unlock+0xa7/0x2f0 [ 354.597885] 4*512kB [ 354.600558] fallback_alloc+0x203/0x2e0 [ 354.604935] (UM) [ 354.607260] ____cache_alloc_node+0x1c7/0x1e0 [ 354.611206] 3*1024kB [ 354.613265] kmem_cache_alloc_node+0xe3/0x730 [ 354.617731] (UM) [ 354.620143] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.624615] 3*2048kB [ 354.626684] __alloc_skb+0x119/0x770 [ 354.630887] (UM) [ 354.633297] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.636980] 3*4096kB (M) [ 354.639051] ? skb_scrub_packet+0x490/0x490 [ 354.644297] = 25180kB [ 354.644305] Node 0 [ 354.647068] ? lock_downgrade+0x900/0x900 [ 354.651364] Normal: [ 354.653780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.655987] 960*4kB [ 354.660132] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.662426] (MEH) [ 354.667957] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.670256] 471*8kB [ 354.675703] ? addrconf_rs_timer+0x690/0x690 [ 354.677832] (UME) [ 354.683284] ndisc_alloc_skb+0x144/0x340 [ 354.685579] 178*16kB [ 354.689980] ndisc_send_rs+0x331/0x6e0 [ 354.692108] (ME) [ 354.696164] addrconf_rs_timer+0x314/0x690 [ 354.698542] 44*32kB (UME) [ 354.702433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.704473] 1*64kB [ 354.708712] call_timer_fn+0x272/0x920 [ 354.711521] (U) [ 354.715759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.717977] 0*128kB [ 354.721865] ? process_timeout+0x40/0x40 [ 354.723814] 0*256kB 2*512kB [ 354.728053] ? find_held_lock+0x36/0x1c0 [ 354.730349] (U) [ 354.734411] ? __run_timers+0x7da/0xc70 [ 354.737399] 1*1024kB [ 354.741456] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.743404] (U) [ 354.747375] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.749765] 0*2048kB 0*4096kB [ 354.754265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.756220] = 13976kB [ 354.760712] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.763885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 354.768114] ? trace_hardirqs_on+0xbd/0x310 [ 354.770508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.775078] ? kasan_check_read+0x11/0x20 [ 354.783887] 2889 total pagecache pages [ 354.788203] ? __run_timers+0x7da/0xc70 [ 354.796763] 0 pages in swap cache [ 354.800905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.804772] Swap cache stats: add 0, delete 0, find 0/0 [ 354.808736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.812170] Free swap = 0kB [ 354.817626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.822968] Total swap = 0kB [ 354.827198] __run_timers+0x7e5/0xc70 [ 354.830192] 1965979 pages RAM [ 354.834431] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 354.837414] 0 pages HighMem/MovableOnly [ 354.837423] 342306 pages reserved [ 354.841219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.844296] 0 pages cma reserved [ 354.849659] ? rcu_bh_qs+0xc0/0xc0 [ 354.853736] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.857056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.857073] ? check_preemption_disabled+0x48/0x200 [ 354.857097] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.862413] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.865714] ? retint_kernel+0x2d/0x2d [ 354.869227] syz-executor1 cpuset= [ 354.875716] ? trace_hardirqs_on_caller+0xc0/0x310 [ 354.881225] syz1 [ 354.886236] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.890969] mems_allowed=0 [ 354.901447] ? trace_hardirqs_off+0x310/0x310 [ 354.927788] ? check_preemption_disabled+0x48/0x200 [ 354.932809] ? graph_lock+0x170/0x170 [ 354.936617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.942156] ? check_preemption_disabled+0x48/0x200 [ 354.947187] ? __lock_is_held+0xb5/0x140 [ 354.951254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.956794] ? check_preemption_disabled+0x48/0x200 [ 354.961824] run_timer_softirq+0x52/0xb0 [ 354.965893] ? rcu_read_lock_sched_held+0x108/0x120 [ 354.970914] __do_softirq+0x30b/0xad8 [ 354.974728] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 354.979848] ? pvclock_read_flags+0x160/0x160 [ 354.984349] ? lapic_next_event+0x5a/0x90 [ 354.988503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.994041] ? check_preemption_disabled+0x48/0x200 [ 354.999058] ? check_preemption_disabled+0x48/0x200 [ 355.004083] ? kvm_clock_read+0x18/0x30 [ 355.008066] ? kvm_sched_clock_read+0x9/0x20 [ 355.012485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.018030] ? check_preemption_disabled+0x48/0x200 [ 355.023063] irq_exit+0x17f/0x1c0 [ 355.026521] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.031365] ? smp_reschedule_interrupt+0x109/0x650 [ 355.036384] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.042277] ? interrupt_entry+0xb5/0xf0 [ 355.046347] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.051368] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.056392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.061238] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.066672] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.071692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.077235] ? check_preemption_disabled+0x48/0x200 [ 355.082256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.087809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.092665] apic_timer_interrupt+0xf/0x20 [ 355.096897] [ 355.099143] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 355.104078] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 355.122993] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 355.130714] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.137995] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 355.145264] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 355.152561] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 355.159835] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 355.167158] skb_clone+0x1bb/0x500 [ 355.170703] ? finish_task_switch+0x2f5/0x900 [ 355.175201] ? skb_split+0x11e0/0x11e0 [ 355.179095] ? preempt_notifier_register+0x200/0x200 [ 355.184203] ? __switch_to_asm+0x34/0x70 [ 355.188267] ? __switch_to_asm+0x34/0x70 [ 355.192333] ? __switch_to_asm+0x40/0x70 [ 355.196451] ? __switch_to_asm+0x34/0x70 [ 355.200514] ? __switch_to_asm+0x40/0x70 [ 355.204577] ? __switch_to_asm+0x34/0x70 [ 355.208649] ? __switch_to_asm+0x40/0x70 [ 355.212715] ? __switch_to_asm+0x34/0x70 [ 355.216792] ? __switch_to_asm+0x34/0x70 [ 355.220856] ? __switch_to_asm+0x40/0x70 [ 355.224918] ? __switch_to_asm+0x34/0x70 [ 355.228993] bpf_clone_redirect+0xb9/0x490 [ 355.233235] ? __schedule+0x874/0x1ed0 [ 355.237134] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 355.242157] ? __sched_text_start+0x8/0x8 [ 355.246319] ? retint_kernel+0x2d/0x2d [ 355.250219] ? find_held_lock+0x36/0x1c0 [ 355.254290] ? lock_acquire+0x1ed/0x520 [ 355.258302] ? bpf_test_run+0x3cb/0x780 [ 355.262284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.267838] ? check_preemption_disabled+0x48/0x200 [ 355.272883] ? kasan_check_read+0x11/0x20 [ 355.277039] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.282322] ? rcu_bh_qs+0xc0/0xc0 [ 355.285871] ? preempt_schedule+0x4d/0x60 [ 355.290022] ? ___preempt_schedule+0x16/0x18 [ 355.294444] ? bpf_test_run+0x25d/0x780 [ 355.298436] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.302850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.308389] ? bpf_test_init.isra.9+0x70/0x100 [ 355.312980] ? bpf_prog_test_run_skb+0x634/0xb40 [ 355.317753] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.322610] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.328166] ? fput+0x130/0x1a0 [ 355.331463] ? __bpf_prog_get+0x9b/0x290 [ 355.335544] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.340403] ? bpf_prog_test_run+0x130/0x1a0 [ 355.344830] ? __x64_sys_bpf+0x3d8/0x510 [ 355.348905] ? bpf_prog_get+0x20/0x20 [ 355.352736] ? do_syscall_64+0x1b9/0x820 [ 355.356815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.362207] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.367144] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.372166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.377185] ? recalc_sigpending_tsk+0x180/0x180 [ 355.381949] ? kasan_check_write+0x14/0x20 [ 355.386192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.391050] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.396441] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 355.396592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.403753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.403762] Call Trace: [ 355.410357] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.419604] [ 355.422176] syz-executor2 cpuset= [ 355.432658] dump_stack+0x1c4/0x2b4 [ 355.434784] syz2 [ 355.438235] ? dump_stack_print_info.cold.2+0x52/0x52 [ 355.441844] mems_allowed=0 [ 355.443826] warn_alloc.cold.119+0xb7/0x1bd [ 355.456220] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.461073] ? lock_downgrade+0x900/0x900 [ 355.465233] ? trace_hardirqs_off+0xb8/0x310 [ 355.469654] ? trace_hardirqs_off+0xb8/0x310 [ 355.474073] __alloc_pages_slowpath+0x2667/0x2d80 [ 355.478952] ? warn_alloc+0x120/0x120 [ 355.482768] ? lock_release+0x970/0x970 [ 355.486758] ? warn_alloc+0x120/0x120 [ 355.490564] ? print_usage_bug+0xc0/0xc0 [ 355.494631] ? warn_alloc+0x120/0x120 [ 355.498433] ? print_usage_bug+0xc0/0xc0 [ 355.502499] ? __lock_acquire+0x7ec/0x4ec0 [ 355.506737] ? __lock_acquire+0x7ec/0x4ec0 [ 355.510985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.516522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.522069] ? should_fail+0x22d/0xd01 [ 355.525962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.531086] ? __lock_acquire+0x7ec/0x4ec0 [ 355.535327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.540429] ? __lock_acquire+0x7ec/0x4ec0 [ 355.544666] ? should_fail+0x22d/0xd01 [ 355.548566] ? mark_held_locks+0x130/0x130 [ 355.552817] ? mark_held_locks+0x130/0x130 [ 355.557055] ? graph_lock+0x170/0x170 [ 355.560859] ? print_usage_bug+0xc0/0xc0 [ 355.564922] ? graph_lock+0x170/0x170 [ 355.568723] ? print_usage_bug+0xc0/0xc0 [ 355.572799] ? wq_watchdog_touch+0x9c/0xfe [ 355.577041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.582583] ? check_preemption_disabled+0x48/0x200 [ 355.587601] ? check_preemption_disabled+0x48/0x200 [ 355.592630] ? __lock_is_held+0xb5/0x140 [ 355.596699] __alloc_pages_nodemask+0xa80/0xde0 [ 355.601370] ? graph_lock+0x170/0x170 [ 355.605177] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 355.610208] ? graph_lock+0x170/0x170 [ 355.614036] ? find_held_lock+0x36/0x1c0 [ 355.618108] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.622785] ? lock_downgrade+0x900/0x900 [ 355.626949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.632495] cache_grow_begin+0x91/0x8c0 [ 355.636561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 355.640980] fallback_alloc+0x203/0x2e0 [ 355.644964] ____cache_alloc_node+0x1c7/0x1e0 [ 355.649469] kmem_cache_alloc_node+0xe3/0x730 [ 355.653969] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.658216] __alloc_skb+0x119/0x770 [ 355.661936] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.667224] ? skb_scrub_packet+0x490/0x490 [ 355.671566] ? lock_downgrade+0x900/0x900 [ 355.675729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.681281] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.686737] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.692199] ? addrconf_rs_timer+0x690/0x690 [ 355.696624] ndisc_alloc_skb+0x144/0x340 [ 355.700697] ndisc_send_rs+0x331/0x6e0 [ 355.704598] addrconf_rs_timer+0x314/0x690 [ 355.708847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.713099] call_timer_fn+0x272/0x920 [ 355.716988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.721226] ? process_timeout+0x40/0x40 [ 355.725286] ? find_held_lock+0x36/0x1c0 [ 355.729358] ? mark_held_locks+0xc7/0x130 [ 355.733528] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.738030] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.742526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.746767] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 355.751355] ? trace_hardirqs_on+0xbd/0x310 [ 355.755681] ? kasan_check_read+0x11/0x20 [ 355.759835] ? __run_timers+0x7da/0xc70 [ 355.763818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.769276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.773519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.777769] __run_timers+0x7e5/0xc70 [ 355.781591] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 355.786960] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.791980] ? graph_lock+0x170/0x170 [ 355.795787] ? print_usage_bug+0xc0/0xc0 [ 355.799855] ? lock_release+0x970/0x970 [ 355.803836] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.809039] ? find_held_lock+0x36/0x1c0 [ 355.813106] ? graph_lock+0x170/0x170 [ 355.816914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.822460] ? check_preemption_disabled+0x48/0x200 [ 355.827496] ? __lock_is_held+0xb5/0x140 [ 355.831561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.837100] ? check_preemption_disabled+0x48/0x200 [ 355.842128] run_timer_softirq+0x52/0xb0 [ 355.846194] ? rcu_read_lock_sched_held+0x108/0x120 [ 355.851215] __do_softirq+0x30b/0xad8 [ 355.855029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 355.860148] ? pvclock_read_flags+0x160/0x160 [ 355.864649] ? lapic_next_event+0x5a/0x90 [ 355.868801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.874347] ? check_preemption_disabled+0x48/0x200 [ 355.879371] ? check_preemption_disabled+0x48/0x200 [ 355.884393] ? kvm_clock_read+0x18/0x30 [ 355.888369] ? kvm_sched_clock_read+0x9/0x20 [ 355.892784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.898341] ? check_preemption_disabled+0x48/0x200 [ 355.903400] irq_exit+0x17f/0x1c0 [ 355.906858] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.911700] ? smp_reschedule_interrupt+0x109/0x650 [ 355.916724] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.922620] ? interrupt_entry+0xb5/0xf0 [ 355.926687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.931705] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.936724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.941582] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.946597] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.952070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.957612] ? check_preemption_disabled+0x48/0x200 [ 355.962633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.968185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.973040] apic_timer_interrupt+0xf/0x20 [ 355.977272] [ 355.979516] RIP: 0010:console_unlock+0xfdf/0x1160 [ 355.984363] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 356.003264] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 356.010975] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 356.018243] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 356.025510] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 356.032781] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 356.040053] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 356.047343] ? netconsole_netdev_event+0x280/0x280 [ 356.052290] ? console_unlock+0xfd6/0x1160 [ 356.056549] ? devkmsg_read+0xbb0/0xbb0 [ 356.060533] ? vprintk_emit+0x7f7/0x930 [ 356.064516] ? lock_release+0x970/0x970 [ 356.068512] ? trace_hardirqs_on+0x10/0x310 [ 356.072844] ? vprintk_default+0x28/0x30 [ 356.076912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.082505] ? kasan_check_write+0x14/0x20 [ 356.086753] ? do_raw_spin_lock+0xc1/0x200 [ 356.091001] vprintk_emit+0x33d/0x930 [ 356.094820] ? wake_up_klogd+0x180/0x180 [ 356.098902] ? find_held_lock+0x36/0x1c0 [ 356.102975] ? mark_held_locks+0xc7/0x130 [ 356.107132] vprintk_default+0x28/0x30 [ 356.111025] vprintk_func+0x7e/0x181 [ 356.114750] printk+0xa7/0xcf [ 356.117862] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 356.122625] ? kasan_check_write+0x14/0x20 [ 356.126862] ? do_raw_spin_lock+0xc1/0x200 [ 356.131112] show_free_areas.cold.120+0x1b8e/0x215d [ 356.136155] ? si_meminfo_node+0x260/0x260 [ 356.140397] ? __lock_acquire+0x7ec/0x4ec0 [ 356.144637] ? __lock_acquire+0x7ec/0x4ec0 [ 356.148873] ? __lock_acquire+0x7ec/0x4ec0 [ 356.153116] ? kasan_check_write+0x14/0x20 [ 356.157359] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 356.163182] ? mark_held_locks+0x130/0x130 [ 356.167419] ? mark_held_locks+0x130/0x130 [ 356.171661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.177204] ? graph_lock+0x170/0x170 [ 356.181009] ? put_dec+0x3b/0xf0 [ 356.184383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.189925] ? number+0x972/0xca0 [ 356.193385] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 356.198408] ? find_held_lock+0x36/0x1c0 [ 356.202485] ? serial8250_console_write+0x8b3/0xb10 [ 356.207504] ? lock_downgrade+0x900/0x900 [ 356.211653] ? graph_lock+0x170/0x170 [ 356.215456] ? graph_lock+0x170/0x170 [ 356.219258] ? print_usage_bug+0xc0/0xc0 [ 356.223322] ? do_raw_spin_unlock+0xa7/0x2f0 [ 356.227733] ? trace_hardirqs_on+0x310/0x310 [ 356.232149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.237687] ? wq_watchdog_touch+0x9c/0xfe [ 356.241928] ? io_serial_in+0x11/0x90 [ 356.245737] ? find_held_lock+0x36/0x1c0 [ 356.249821] ? mark_held_locks+0xc7/0x130 [ 356.253979] ? console_unlock+0xfaa/0x1160 [ 356.258216] ? console_unlock+0xfaa/0x1160 [ 356.262457] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.267044] ? vprintk_emit+0x33d/0x930 [ 356.271035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.276491] ? kasan_check_write+0x14/0x20 [ 356.280728] ? do_raw_spin_lock+0xc1/0x200 [ 356.284978] ? netconsole_netdev_event+0x280/0x280 [ 356.289913] ? console_unlock+0x9ba/0x1160 [ 356.294166] ? devkmsg_read+0xbb0/0xbb0 [ 356.298155] ? lock_release+0x970/0x970 [ 356.302146] ? preempt_count_add+0x7d/0x160 [ 356.306470] ? wake_up_klogd+0x11a/0x180 [ 356.310554] ? console_device+0xc0/0xc0 [ 356.314544] ? vprintk_emit+0x268/0x930 [ 356.318528] ? wake_up_klogd+0x180/0x180 [ 356.322595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.327352] ? trace_hardirqs_off+0x310/0x310 [ 356.331853] ? retint_kernel+0x1b/0x2d [ 356.335741] ? trace_hardirqs_on+0x310/0x310 [ 356.340169] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.344936] ? retint_kernel+0x2d/0x2d [ 356.348845] ? arch_local_irq_restore+0x45/0x52 [ 356.353522] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 356.358538] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 356.363323] ? show_mem+0x1e/0x17b [ 356.366872] show_mem+0x34/0x17b [ 356.370247] dump_header+0x2f1/0xf72 [ 356.373975] ? pagefault_out_of_memory+0x197/0x197 [ 356.378933] ? __lock_acquire+0x7ec/0x4ec0 [ 356.383177] ? print_usage_bug+0xc0/0xc0 [ 356.387253] ? graph_lock+0x170/0x170 [ 356.391056] ? print_usage_bug+0xc0/0xc0 [ 356.395117] ? print_usage_bug+0xc0/0xc0 [ 356.399191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.404736] ? find_held_lock+0x36/0x1c0 [ 356.408822] ? mark_held_locks+0xc7/0x130 [ 356.412982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.418091] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.423214] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.427803] ? trace_hardirqs_on+0xbd/0x310 [ 356.432135] ? kasan_check_read+0x11/0x20 [ 356.436283] ? ___ratelimit+0x36f/0x655 [ 356.440261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.445714] ? trace_hardirqs_on+0x310/0x310 [ 356.450135] ? lock_downgrade+0x900/0x900 [ 356.454294] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.459409] ? ___ratelimit+0xaa/0x655 [ 356.463302] ? idr_get_free+0xec0/0xec0 [ 356.467288] ? kasan_check_write+0x14/0x20 [ 356.471530] ? do_raw_spin_lock+0xc1/0x200 [ 356.475788] oom_kill_process.cold.27+0x10/0x903 [ 356.480554] ? graph_lock+0x170/0x170 [ 356.484367] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.490169] ? kasan_check_read+0x11/0x20 [ 356.494321] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.499605] ? oom_evaluate_task+0x540/0x540 [ 356.504026] ? find_held_lock+0x36/0x1c0 [ 356.508098] ? out_of_memory+0x974/0x1430 [ 356.512255] ? lock_downgrade+0x900/0x900 [ 356.516411] ? check_preemption_disabled+0x48/0x200 [ 356.521445] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.527253] ? kasan_check_read+0x11/0x20 [ 356.531407] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.536692] ? rcu_bh_qs+0xc0/0xc0 [ 356.540260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.545802] ? oom_evaluate_task+0x302/0x540 [ 356.550231] out_of_memory+0xa84/0x1430 [ 356.554218] ? oom_killer_disable+0x3a0/0x3a0 [ 356.558716] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 356.563661] ? __mutex_add_waiter+0x2a0/0x2a0 [ 356.568175] __alloc_pages_slowpath+0x2318/0x2d80 [ 356.573051] ? warn_alloc+0x120/0x120 [ 356.576862] ? trace_hardirqs_on+0x310/0x310 [ 356.581278] ? print_usage_bug+0xc0/0xc0 [ 356.585342] ? warn_alloc+0x120/0x120 [ 356.589145] ? print_usage_bug+0xc0/0xc0 [ 356.593211] ? print_usage_bug+0xc0/0xc0 [ 356.597271] ? free_one_page+0x1700/0x1700 [ 356.601511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.607052] ? should_fail+0x22d/0xd01 [ 356.610949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.616059] ? __lock_acquire+0x7ec/0x4ec0 [ 356.620325] ? __lock_is_held+0xb5/0x140 [ 356.624399] ? graph_lock+0x170/0x170 [ 356.628209] ? ___might_sleep+0x1ed/0x300 [ 356.632355] ? lock_release+0x970/0x970 [ 356.636334] ? arch_local_save_flags+0x40/0x40 [ 356.640934] ? __might_sleep+0x95/0x190 [ 356.644918] __alloc_pages_nodemask+0xa80/0xde0 [ 356.649594] ? graph_lock+0x170/0x170 [ 356.653399] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 356.658427] ? graph_lock+0x170/0x170 [ 356.662241] ? mark_held_locks+0xc7/0x130 [ 356.666389] ? find_held_lock+0x36/0x1c0 [ 356.670465] ? cache_grow_begin+0x5a4/0x8c0 [ 356.674792] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.679385] ? trace_hardirqs_on+0xbd/0x310 [ 356.683712] ? fallback_alloc+0x203/0x2e0 [ 356.687869] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.693324] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.698872] cache_grow_begin+0x91/0x8c0 [ 356.702940] ? do_raw_spin_unlock+0xa7/0x2f0 [ 356.707360] fallback_alloc+0x203/0x2e0 [ 356.711402] ____cache_alloc_node+0x1c7/0x1e0 [ 356.715906] kmem_cache_alloc_node_trace+0xe7/0x740 [ 356.720943] __kmalloc_node_track_caller+0x33/0x70 [ 356.725894] __kmalloc_reserve.isra.39+0x41/0xe0 [ 356.730665] __alloc_skb+0x155/0x770 [ 356.734396] ? skb_scrub_packet+0x490/0x490 [ 356.738726] ? if_nlmsg_size+0x5d1/0xbb0 [ 356.742816] ? nla_put_ifalias+0x170/0x170 [ 356.747069] ? sk_psock_stop_strp+0x120/0x120 [ 356.751571] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 356.756591] ? netif_tx_stop_all_queues+0xd9/0x110 [ 356.761528] rtmsg_ifinfo_build_skb+0x74/0x190 [ 356.766120] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 356.770971] rtmsg_ifinfo+0x8c/0xa0 [ 356.774607] dev_close_many+0x3be/0x860 [ 356.778598] ? netdev_master_upper_dev_link+0x50/0x50 [ 356.783794] ? find_held_lock+0x36/0x1c0 [ 356.787876] ? __queue_work+0x6be/0x1440 [ 356.791947] ? lock_downgrade+0x900/0x900 [ 356.796105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.801647] ? rtnl_is_locked+0xb5/0xf0 [ 356.805624] ? rtnl_trylock+0x20/0x20 [ 356.809426] ? do_raw_spin_unlock+0xa7/0x2f0 [ 356.813842] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 356.818439] rollback_registered_many+0x543/0x1210 [ 356.823379] ? generic_xdp_install+0x4c0/0x4c0 [ 356.827972] ? max_active_store+0x170/0x170 [ 356.832297] ? graph_lock+0x170/0x170 [ 356.836100] ? print_usage_bug+0xc0/0xc0 [ 356.840166] ? print_usage_bug+0xc0/0xc0 [ 356.844228] ? __debug_object_init+0x57d/0x1290 [ 356.848899] ? graph_lock+0x170/0x170 [ 356.852703] ? print_usage_bug+0xc0/0xc0 [ 356.856777] ? find_held_lock+0x36/0x1c0 [ 356.860862] ? mark_held_locks+0xc7/0x130 [ 356.865017] rollback_registered+0x1e9/0x420 [ 356.869430] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 356.874012] ? rollback_registered_many+0x1210/0x1210 [ 356.879204] ? trace_hardirqs_on+0xbd/0x310 [ 356.883530] ? linkwatch_schedule_work+0x150/0x170 [ 356.888464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.893924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.899469] ? rtnl_is_locked+0xb5/0xf0 [ 356.903445] ? rtnl_trylock+0x20/0x20 [ 356.907253] ? queue_delayed_work_on+0x130/0x1f0 [ 356.912016] unregister_netdevice_queue+0x321/0x5e0 [ 356.917036] ? rollback_registered+0x420/0x420 [ 356.921621] ? linkwatch_schedule_work+0x170/0x170 [ 356.926553] ? tun_show_owner+0x170/0x170 [ 356.930704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.936250] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 356.941630] ? __tun_detach+0x6ba/0x15c0 [ 356.945701] __tun_detach+0x11b8/0x15c0 [ 356.949694] ? __call_rcu.constprop.69+0x429/0xbc0 [ 356.954656] ? tun_attach+0x1900/0x1900 [ 356.958634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.964189] ? check_preemption_disabled+0x48/0x200 [ 356.969218] ? graph_lock+0x170/0x170 [ 356.973025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.978563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.984102] ? locks_remove_file+0x3c6/0x5c0 [ 356.988514] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 356.994052] ? ima_file_free+0x132/0x650 [ 356.998122] ? __lock_is_held+0xb5/0x140 [ 357.002193] ? __tun_detach+0x15c0/0x15c0 [ 357.006347] ? __tun_detach+0x15c0/0x15c0 [ 357.010496] tun_chr_close+0xe3/0x180 [ 357.014305] __fput+0x385/0xa30 [ 357.017595] ? get_max_files+0x20/0x20 [ 357.021492] ? ___might_sleep+0x1ed/0x300 [ 357.025645] ? arch_local_save_flags+0x40/0x40 [ 357.030240] ____fput+0x15/0x20 [ 357.033525] task_work_run+0x1e8/0x2a0 [ 357.037417] ? task_work_cancel+0x240/0x240 [ 357.041753] ? switch_task_namespaces+0xb8/0xd0 [ 357.046431] do_exit+0x1ad7/0x2610 [ 357.049988] ? mm_update_next_owner+0x990/0x990 [ 357.054663] ? print_usage_bug+0xc0/0xc0 [ 357.058730] ? perf_trace_lock+0x14d/0x7a0 [ 357.062983] ? __lock_acquire+0x7ec/0x4ec0 [ 357.067221] ? find_held_lock+0x36/0x1c0 [ 357.071297] ? __lock_acquire+0x7ec/0x4ec0 [ 357.075537] ? mark_held_locks+0x130/0x130 [ 357.079789] ? lock_acquire+0x1ed/0x520 [ 357.083789] ? mark_held_locks+0x130/0x130 [ 357.088036] ? arch_local_save_flags+0x40/0x40 [ 357.092620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.098183] ? __mutex_lock+0x85e/0x1700 [ 357.102246] ? __switch_to_asm+0x40/0x70 [ 357.106307] ? __switch_to_asm+0x34/0x70 [ 357.110367] ? pipe_wait+0x266/0x2c0 [ 357.114090] ? mutex_trylock+0x2b0/0x2b0 [ 357.118168] ? graph_lock+0x170/0x170 [ 357.121970] ? find_held_lock+0x36/0x1c0 [ 357.126037] ? memset+0x31/0x40 [ 357.129329] ? find_held_lock+0x36/0x1c0 [ 357.133404] ? get_signal+0x95b/0x1980 [ 357.137295] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.141793] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.146305] do_group_exit+0x177/0x440 [ 357.150197] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.155650] ? __ia32_sys_exit+0x50/0x50 [ 357.159727] get_signal+0x8b0/0x1980 [ 357.163464] ? ptrace_notify+0x130/0x130 [ 357.167531] ? finish_wait+0x430/0x430 [ 357.171421] ? graph_lock+0x170/0x170 [ 357.175231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.180775] ? pipe_read+0x702/0x940 [ 357.184496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.190046] do_signal+0x9c/0x21e0 [ 357.193592] ? __vfs_read+0x11f/0x9b0 [ 357.197402] ? vfs_copy_file_range+0xb90/0xb90 [ 357.201987] ? setup_sigcontext+0x7d0/0x7d0 [ 357.206331] ? exit_to_usermode_loop+0x8c/0x380 [ 357.211020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.216568] exit_to_usermode_loop+0x2e5/0x380 [ 357.221155] ? syscall_slow_exit_work+0x520/0x520 [ 357.225998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.231550] do_syscall_64+0x6be/0x820 [ 357.235446] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.240823] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.245763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.250611] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.255632] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.260658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.265520] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.270714] RIP: 0033:0x410fa0 [ 357.273924] Code: Bad RIP value. [ 357.277303] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 357.285018] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 357.292285] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 357.299553] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 357.306828] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 357.314112] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 357.321416] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 357.321421] warn_alloc_show_mem: 1 callbacks suppressed [ 357.321428] Mem-Info: [ 357.328796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.334168] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 357.334168] active_file:8 inactive_file:19 isolated_file:0 [ 357.334168] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.334168] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 357.334168] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 357.334168] free:13766 free_pcp:526 free_cma:0 [ 357.336543] Call Trace: [ 357.345945] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.379140] [ 357.381716] Node 0 [ 357.409482] dump_stack+0x1c4/0x2b4 [ 357.411628] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 357.413837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 357.417434] lowmem_reserve[]: 0 [ 357.442966] warn_alloc.cold.119+0xb7/0x1bd [ 357.448124] 2819 [ 357.451401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.455699] 6323 [ 357.457769] ? lock_downgrade+0x900/0x900 [ 357.462577] 6323 [ 357.464647] ? trace_hardirqs_off+0xb8/0x310 [ 357.468775] Node 0 [ 357.470835] ? trace_hardirqs_off+0xb8/0x310 [ 357.475246] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 357.477458] __alloc_pages_slowpath+0x2667/0x2d80 [ 357.481830] lowmem_reserve[]: 0 [ 357.509017] ? warn_alloc+0x120/0x120 [ 357.513821] 0 3503 [ 357.517107] ? trace_hardirqs_on+0x310/0x310 [ 357.520878] 3503 [ 357.523117] ? warn_alloc+0x120/0x120 [ 357.527503] Node 0 [ 357.529561] ? print_usage_bug+0xc0/0xc0 [ 357.533359] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 357.535563] ? warn_alloc+0x120/0x120 [ 357.539594] lowmem_reserve[]: 0 [ 357.568160] ? ktime_get+0x2e1/0x440 [ 357.571936] 0 [ 357.575210] ? print_usage_bug+0xc0/0xc0 [ 357.578890] 0 0 [ 357.580700] ? __lock_acquire+0x7ec/0x4ec0 [ 357.584739] Node 0 [ 357.586721] ? __lock_acquire+0x7ec/0x4ec0 [ 357.590923] DMA: 1*4kB [ 357.593163] ? kasan_check_read+0x11/0x20 [ 357.597371] (U) [ 357.599952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.604074] 0*8kB [ 357.606050] ? should_fail+0x22d/0xd01 [ 357.611578] 0*16kB [ 357.613731] ? rcu_bh_qs+0xc0/0xc0 [ 357.617585] 1*32kB [ 357.619817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.623350] (U) [ 357.625586] ? __lock_acquire+0x7ec/0x4ec0 [ 357.630663] 2*64kB [ 357.632638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.636849] (U) [ 357.639082] ? __lock_acquire+0x7ec/0x4ec0 [ 357.644155] 1*128kB (U) [ 357.646143] ? should_fail+0x22d/0xd01 [ 357.650352] 1*256kB [ 357.653035] ? rcu_idle_enter+0x4b0/0x4b0 [ 357.656889] (U) 0*512kB [ 357.659220] ? mark_held_locks+0x130/0x130 [ 357.663339] 1*1024kB [ 357.666003] ? mark_held_locks+0x130/0x130 [ 357.670213] (U) [ 357.672619] ? mark_held_locks+0xc7/0x130 [ 357.676834] 1*2048kB [ 357.678810] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 357.682936] (M) [ 357.685343] ? graph_lock+0x170/0x170 [ 357.690339] 3*4096kB [ 357.692309] ? print_usage_bug+0xc0/0xc0 [ 357.696088] (M) [ 357.698499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.702545] = 15908kB [ 357.702553] Node 0 [ 357.704531] ? check_preemption_disabled+0x48/0x200 [ 357.710041] DMA32: [ 357.712446] ? check_preemption_disabled+0x48/0x200 [ 357.714674] 3*4kB [ 357.719690] ? __lock_is_held+0xb5/0x140 [ 357.721898] (M) [ 357.726917] __alloc_pages_nodemask+0xa80/0xde0 [ 357.729043] 2*8kB [ 357.733099] ? graph_lock+0x170/0x170 [ 357.735055] (UM) [ 357.739716] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 357.741843] 2*16kB [ 357.745637] ? graph_lock+0x170/0x170 [ 357.747676] (M) [ 357.752695] ? find_held_lock+0x36/0x1c0 [ 357.754901] 3*32kB [ 357.758700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.760648] (UM) [ 357.764704] ? lock_downgrade+0x900/0x900 [ 357.766917] 5*64kB [ 357.771588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.773625] (UM) [ 357.777773] cache_grow_begin+0x91/0x8c0 [ 357.779979] 3*128kB (M) [ 357.785525] ? do_raw_spin_unlock+0xa7/0x2f0 [ 357.787566] 3*256kB [ 357.791623] fallback_alloc+0x203/0x2e0 [ 357.794267] (M) [ 357.798677] ____cache_alloc_node+0x1c7/0x1e0 [ 357.800971] 4*512kB [ 357.804942] kmem_cache_alloc_node+0xe3/0x730 [ 357.806895] (UM) [ 357.811385] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.813694] 3*1024kB (UM) [ 357.818196] __alloc_skb+0x119/0x770 [ 357.820229] 3*2048kB [ 357.824463] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.827278] (UM) [ 357.830988] ? skb_scrub_packet+0x490/0x490 [ 357.833377] 3*4096kB [ 357.838650] ? lock_downgrade+0x900/0x900 [ 357.840690] (M) [ 357.845010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.847391] = 25180kB [ 357.851534] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.853488] Node 0 [ 357.859026] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.861415] Normal: [ 357.866873] ? addrconf_rs_timer+0x690/0x690 [ 357.869091] 960*4kB [ 357.874545] ndisc_alloc_skb+0x144/0x340 [ 357.876841] (MEH) [ 357.881248] ndisc_send_rs+0x331/0x6e0 [ 357.883538] 471*8kB (UME) [ 357.887603] addrconf_rs_timer+0x314/0x690 [ 357.889731] 178*16kB [ 357.893623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.896454] (ME) [ 357.900694] call_timer_fn+0x272/0x920 [ 357.903068] 44*32kB (UME) [ 357.907306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.909342] 1*64kB (U) [ 357.913235] ? process_timeout+0x40/0x40 [ 357.916046] 0*128kB 0*256kB [ 357.920289] ? find_held_lock+0x36/0x1c0 [ 357.922851] 2*512kB [ 357.926917] ? __run_timers+0x7da/0xc70 [ 357.929912] (U) [ 357.933988] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.936288] 1*1024kB [ 357.940262] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.942212] (U) [ 357.946705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.949095] 0*2048kB [ 357.953751] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 357.955709] 0*4096kB [ 357.959943] ? trace_hardirqs_on+0xbd/0x310 [ 357.962342] = 13976kB [ 357.966925] ? kasan_check_read+0x11/0x20 [ 357.969313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.973629] ? __run_timers+0x7da/0xc70 [ 357.976018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.980159] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.988968] 2889 total pagecache pages [ 357.992939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.001495] 0 pages in swap cache [ 358.006942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.010816] Swap cache stats: add 0, delete 0, find 0/0 [ 358.015072] __run_timers+0x7e5/0xc70 [ 358.018499] Free swap = 0kB [ 358.022740] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.028068] Total swap = 0kB [ 358.031868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.034863] 1965979 pages RAM [ 358.040222] ? rcu_bh_qs+0xc0/0xc0 [ 358.043208] 0 pages HighMem/MovableOnly [ 358.043217] 342306 pages reserved [ 358.048496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.051596] 0 pages cma reserved [ 358.055134] ? check_preemption_disabled+0x48/0x200 [ 358.059166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.062547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.068332] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.071440] ? retint_kernel+0x2d/0x2d [ 358.076437] syz-executor1 cpuset= [ 358.083412] ? trace_hardirqs_on_caller+0xc0/0x310 [ 358.088147] syz1 [ 358.098651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.102510] mems_allowed=0 [ 358.105956] ? trace_hardirqs_off+0x310/0x310 [ 358.124990] ? check_preemption_disabled+0x48/0x200 [ 358.130010] ? graph_lock+0x170/0x170 [ 358.133820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.139421] ? check_preemption_disabled+0x48/0x200 [ 358.144451] ? __lock_is_held+0xb5/0x140 [ 358.148516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.154055] ? check_preemption_disabled+0x48/0x200 [ 358.159088] run_timer_softirq+0x52/0xb0 [ 358.163152] ? rcu_read_lock_sched_held+0x108/0x120 [ 358.168171] __do_softirq+0x30b/0xad8 [ 358.171987] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 358.177097] ? pvclock_read_flags+0x160/0x160 [ 358.181595] ? lapic_next_event+0x5a/0x90 [ 358.185756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.191301] ? check_preemption_disabled+0x48/0x200 [ 358.196329] ? check_preemption_disabled+0x48/0x200 [ 358.201385] ? kvm_clock_read+0x18/0x30 [ 358.205363] ? kvm_sched_clock_read+0x9/0x20 [ 358.209789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.215368] ? check_preemption_disabled+0x48/0x200 [ 358.220403] irq_exit+0x17f/0x1c0 [ 358.223864] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.228710] ? smp_reschedule_interrupt+0x109/0x650 [ 358.233735] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.239634] ? interrupt_entry+0xb5/0xf0 [ 358.243701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.248716] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.253752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.258601] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.263633] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.268654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.274197] ? check_preemption_disabled+0x48/0x200 [ 358.279221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.284777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.289632] apic_timer_interrupt+0xf/0x20 [ 358.293865] [ 358.296105] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.301037] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 358.319937] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 358.327646] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.334915] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 358.342186] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 358.349454] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.356723] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 358.364050] skb_clone+0x1bb/0x500 [ 358.367594] ? finish_task_switch+0x2f5/0x900 [ 358.372096] ? skb_split+0x11e0/0x11e0 [ 358.375986] ? preempt_notifier_register+0x200/0x200 [ 358.381093] ? __switch_to_asm+0x34/0x70 [ 358.385156] ? __switch_to_asm+0x34/0x70 [ 358.389222] ? __switch_to_asm+0x40/0x70 [ 358.393287] ? __switch_to_asm+0x34/0x70 [ 358.397353] ? __switch_to_asm+0x40/0x70 [ 358.401414] ? __switch_to_asm+0x34/0x70 [ 358.405474] ? __switch_to_asm+0x40/0x70 [ 358.409534] ? __switch_to_asm+0x34/0x70 [ 358.413595] ? __switch_to_asm+0x34/0x70 [ 358.417664] ? __switch_to_asm+0x40/0x70 [ 358.421728] ? __switch_to_asm+0x34/0x70 [ 358.425810] bpf_clone_redirect+0xb9/0x490 [ 358.430048] ? __schedule+0x874/0x1ed0 [ 358.433947] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 358.438971] ? __sched_text_start+0x8/0x8 [ 358.443127] ? retint_kernel+0x2d/0x2d [ 358.447026] ? find_held_lock+0x36/0x1c0 [ 358.451101] ? lock_acquire+0x1ed/0x520 [ 358.455079] ? bpf_test_run+0x3cb/0x780 [ 358.459057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.464599] ? check_preemption_disabled+0x48/0x200 [ 358.469625] ? kasan_check_read+0x11/0x20 [ 358.473785] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.479065] ? rcu_bh_qs+0xc0/0xc0 [ 358.482615] ? preempt_schedule+0x4d/0x60 [ 358.486772] ? ___preempt_schedule+0x16/0x18 [ 358.491193] ? bpf_test_run+0x25d/0x780 [ 358.495181] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.499596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.505138] ? bpf_test_init.isra.9+0x70/0x100 [ 358.509729] ? bpf_prog_test_run_skb+0x634/0xb40 [ 358.514520] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.519382] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.524923] ? fput+0x130/0x1a0 [ 358.528207] ? __bpf_prog_get+0x9b/0x290 [ 358.532272] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.537118] ? bpf_prog_test_run+0x130/0x1a0 [ 358.541533] ? __x64_sys_bpf+0x3d8/0x510 [ 358.545599] ? bpf_prog_get+0x20/0x20 [ 358.549421] ? do_syscall_64+0x1b9/0x820 [ 358.553490] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.558858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.563796] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.568817] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.573837] ? recalc_sigpending_tsk+0x180/0x180 [ 358.578599] ? kasan_check_write+0x14/0x20 [ 358.582846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.587712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.593105] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 358.593240] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.600399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.600405] Call Trace: [ 358.600412] [ 358.600430] dump_stack+0x1c4/0x2b4 [ 358.600448] ? dump_stack_print_info.cold.2+0x52/0x52 [ 358.607035] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.616312] warn_alloc.cold.119+0xb7/0x1bd [ 358.619583] syz-executor2 cpuset= [ 358.621729] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.625334] syz2 [ 358.630522] ? lock_downgrade+0x900/0x900 [ 358.640984] mems_allowed=0 [ 358.645305] ? trace_hardirqs_off+0xb8/0x310 [ 358.666996] ? trace_hardirqs_off+0xb8/0x310 [ 358.671426] __alloc_pages_slowpath+0x2667/0x2d80 [ 358.676306] ? warn_alloc+0x120/0x120 [ 358.680110] ? trace_hardirqs_on+0x310/0x310 [ 358.684539] ? warn_alloc+0x120/0x120 [ 358.688376] ? print_usage_bug+0xc0/0xc0 [ 358.692442] ? warn_alloc+0x120/0x120 [ 358.696243] ? ktime_get+0x2e1/0x440 [ 358.699965] ? print_usage_bug+0xc0/0xc0 [ 358.704036] ? __lock_acquire+0x7ec/0x4ec0 [ 358.708273] ? __lock_acquire+0x7ec/0x4ec0 [ 358.712512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.718055] ? should_fail+0x22d/0xd01 [ 358.721945] ? __lock_acquire+0x7ec/0x4ec0 [ 358.726184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.731288] ? __lock_acquire+0x7ec/0x4ec0 [ 358.735529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.740631] ? __lock_acquire+0x7ec/0x4ec0 [ 358.744865] ? should_fail+0x22d/0xd01 [ 358.748771] ? mark_held_locks+0x130/0x130 [ 358.753016] ? mark_held_locks+0x130/0x130 [ 358.757261] ? graph_lock+0x170/0x170 [ 358.761064] ? print_usage_bug+0xc0/0xc0 [ 358.765151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.770694] ? check_preemption_disabled+0x48/0x200 [ 358.775717] ? check_preemption_disabled+0x48/0x200 [ 358.780762] ? __lock_is_held+0xb5/0x140 [ 358.784841] __alloc_pages_nodemask+0xa80/0xde0 [ 358.789513] ? graph_lock+0x170/0x170 [ 358.793323] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 358.798338] ? graph_lock+0x170/0x170 [ 358.802155] ? find_held_lock+0x36/0x1c0 [ 358.806236] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.810908] ? lock_downgrade+0x900/0x900 [ 358.815068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.820611] cache_grow_begin+0x91/0x8c0 [ 358.824678] ? do_raw_spin_unlock+0xa7/0x2f0 [ 358.829098] fallback_alloc+0x203/0x2e0 [ 358.833084] ____cache_alloc_node+0x1c7/0x1e0 [ 358.837604] kmem_cache_alloc_node+0xe3/0x730 [ 358.842102] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.846348] __alloc_skb+0x119/0x770 [ 358.850069] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.855355] ? skb_scrub_packet+0x490/0x490 [ 358.859675] ? lock_downgrade+0x900/0x900 [ 358.863840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.869397] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.874852] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.880305] ? addrconf_rs_timer+0x690/0x690 [ 358.884732] ndisc_alloc_skb+0x144/0x340 [ 358.888808] ndisc_send_rs+0x331/0x6e0 [ 358.892708] addrconf_rs_timer+0x314/0x690 [ 358.896954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.901237] call_timer_fn+0x272/0x920 [ 358.905142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.909381] ? process_timeout+0x40/0x40 [ 358.913445] ? find_held_lock+0x36/0x1c0 [ 358.917513] ? mark_held_locks+0xc7/0x130 [ 358.921696] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.926199] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.930694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.934934] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.939520] ? trace_hardirqs_on+0xbd/0x310 [ 358.943845] ? kasan_check_read+0x11/0x20 [ 358.947995] ? __run_timers+0x7da/0xc70 [ 358.951972] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.957441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.961679] __run_timers+0x7e5/0xc70 [ 358.965498] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.970867] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.975886] ? graph_lock+0x170/0x170 [ 358.979693] ? print_usage_bug+0xc0/0xc0 [ 358.983762] ? lock_release+0x970/0x970 [ 358.987741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.992947] ? find_held_lock+0x36/0x1c0 [ 358.997018] ? graph_lock+0x170/0x170 [ 359.000829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.006369] ? check_preemption_disabled+0x48/0x200 [ 359.011401] ? __lock_is_held+0xb5/0x140 [ 359.015468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.021007] ? check_preemption_disabled+0x48/0x200 [ 359.026032] run_timer_softirq+0x52/0xb0 [ 359.030097] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.035116] __do_softirq+0x30b/0xad8 [ 359.038934] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.044048] ? pvclock_read_flags+0x160/0x160 [ 359.048546] ? lapic_next_event+0x5a/0x90 [ 359.052701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.058260] ? check_preemption_disabled+0x48/0x200 [ 359.063271] ? check_preemption_disabled+0x48/0x200 [ 359.068291] ? kvm_clock_read+0x18/0x30 [ 359.072270] ? kvm_sched_clock_read+0x9/0x20 [ 359.076683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.082222] ? check_preemption_disabled+0x48/0x200 [ 359.087253] irq_exit+0x17f/0x1c0 [ 359.090711] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.095561] ? smp_reschedule_interrupt+0x109/0x650 [ 359.100580] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.106473] ? interrupt_entry+0xb5/0xf0 [ 359.110537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.115553] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.120573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.125421] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.130438] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.135465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.141010] ? check_preemption_disabled+0x48/0x200 [ 359.146027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.151575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.156433] apic_timer_interrupt+0xf/0x20 [ 359.160665] [ 359.162911] RIP: 0010:console_unlock+0xfdf/0x1160 [ 359.167766] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 359.186675] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 359.194390] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 359.201657] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 359.208928] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 359.216200] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 359.223473] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 359.230769] ? netconsole_netdev_event+0x280/0x280 [ 359.235716] ? console_unlock+0xfd6/0x1160 [ 359.239983] ? devkmsg_read+0xbb0/0xbb0 [ 359.243958] ? vprintk_emit+0x7f7/0x930 [ 359.247940] ? lock_release+0x970/0x970 [ 359.251917] ? trace_hardirqs_on+0x10/0x310 [ 359.256240] ? vprintk_default+0x28/0x30 [ 359.260318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.265780] ? kasan_check_write+0x14/0x20 [ 359.270025] ? do_raw_spin_lock+0xc1/0x200 [ 359.274275] vprintk_emit+0x33d/0x930 [ 359.278087] ? wake_up_klogd+0x180/0x180 [ 359.282165] ? find_held_lock+0x36/0x1c0 [ 359.286235] ? mark_held_locks+0xc7/0x130 [ 359.290394] vprintk_default+0x28/0x30 [ 359.294291] vprintk_func+0x7e/0x181 [ 359.298008] printk+0xa7/0xcf [ 359.301116] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 359.305880] ? kasan_check_write+0x14/0x20 [ 359.310120] ? do_raw_spin_lock+0xc1/0x200 [ 359.314367] show_free_areas.cold.120+0x1b8e/0x215d [ 359.319417] ? si_meminfo_node+0x260/0x260 [ 359.323655] ? __lock_acquire+0x7ec/0x4ec0 [ 359.327899] ? __lock_acquire+0x7ec/0x4ec0 [ 359.332139] ? __lock_acquire+0x7ec/0x4ec0 [ 359.336380] ? kasan_check_write+0x14/0x20 [ 359.340619] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 359.346430] ? mark_held_locks+0x130/0x130 [ 359.350680] ? mark_held_locks+0x130/0x130 [ 359.354932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.360479] ? graph_lock+0x170/0x170 [ 359.364285] ? put_dec+0x3b/0xf0 [ 359.367659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.373199] ? number+0x972/0xca0 [ 359.376658] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 359.381711] ? find_held_lock+0x36/0x1c0 [ 359.385797] ? serial8250_console_write+0x8b3/0xb10 [ 359.390842] ? lock_downgrade+0x900/0x900 [ 359.395002] ? graph_lock+0x170/0x170 [ 359.398824] ? graph_lock+0x170/0x170 [ 359.402634] ? print_usage_bug+0xc0/0xc0 [ 359.406701] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.411119] ? trace_hardirqs_on+0x310/0x310 [ 359.415535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.421078] ? wq_watchdog_touch+0x9c/0xfe [ 359.425319] ? io_serial_in+0x11/0x90 [ 359.429147] ? find_held_lock+0x36/0x1c0 [ 359.433222] ? mark_held_locks+0xc7/0x130 [ 359.437376] ? console_unlock+0xfaa/0x1160 [ 359.441615] ? console_unlock+0xfaa/0x1160 [ 359.445855] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.450447] ? vprintk_emit+0x33d/0x930 [ 359.454430] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.459889] ? kasan_check_write+0x14/0x20 [ 359.464128] ? do_raw_spin_lock+0xc1/0x200 [ 359.468373] ? netconsole_netdev_event+0x280/0x280 [ 359.473305] ? console_unlock+0x9ba/0x1160 [ 359.477555] ? devkmsg_read+0xbb0/0xbb0 [ 359.481546] ? lock_release+0x970/0x970 [ 359.485521] ? preempt_count_add+0x7d/0x160 [ 359.489887] ? wake_up_klogd+0x11a/0x180 [ 359.493952] ? console_device+0xc0/0xc0 [ 359.497944] ? vprintk_emit+0x268/0x930 [ 359.501930] ? wake_up_klogd+0x180/0x180 [ 359.505999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.510765] ? trace_hardirqs_off+0x310/0x310 [ 359.515268] ? retint_kernel+0x1b/0x2d [ 359.519175] ? trace_hardirqs_on+0x310/0x310 [ 359.523598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.528370] ? retint_kernel+0x2d/0x2d [ 359.532271] ? arch_local_irq_restore+0x45/0x52 [ 359.536950] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 359.541968] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 359.546735] ? show_mem+0x1e/0x17b [ 359.550290] show_mem+0x34/0x17b [ 359.553669] dump_header+0x2f1/0xf72 [ 359.557395] ? pagefault_out_of_memory+0x197/0x197 [ 359.562337] ? __lock_acquire+0x7ec/0x4ec0 [ 359.566579] ? print_usage_bug+0xc0/0xc0 [ 359.570653] ? graph_lock+0x170/0x170 [ 359.574462] ? print_usage_bug+0xc0/0xc0 [ 359.578522] ? print_usage_bug+0xc0/0xc0 [ 359.582597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.588141] ? find_held_lock+0x36/0x1c0 [ 359.592212] ? mark_held_locks+0xc7/0x130 [ 359.596369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.601472] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.606605] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.611191] ? trace_hardirqs_on+0xbd/0x310 [ 359.615516] ? kasan_check_read+0x11/0x20 [ 359.619664] ? ___ratelimit+0x36f/0x655 [ 359.623641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.629094] ? trace_hardirqs_on+0x310/0x310 [ 359.633508] ? lock_downgrade+0x900/0x900 [ 359.637670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.642786] ? ___ratelimit+0xaa/0x655 [ 359.646681] ? idr_get_free+0xec0/0xec0 [ 359.650662] ? kasan_check_write+0x14/0x20 [ 359.654899] ? do_raw_spin_lock+0xc1/0x200 [ 359.659147] oom_kill_process.cold.27+0x10/0x903 [ 359.663909] ? graph_lock+0x170/0x170 [ 359.667724] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.673534] ? kasan_check_read+0x11/0x20 [ 359.677686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.682967] ? oom_evaluate_task+0x540/0x540 [ 359.687383] ? find_held_lock+0x36/0x1c0 [ 359.691457] ? out_of_memory+0x974/0x1430 [ 359.695606] ? lock_downgrade+0x900/0x900 [ 359.699762] ? check_preemption_disabled+0x48/0x200 [ 359.704789] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.710594] ? kasan_check_read+0x11/0x20 [ 359.714770] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.720052] ? rcu_bh_qs+0xc0/0xc0 [ 359.723602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.729141] ? oom_evaluate_task+0x302/0x540 [ 359.733559] out_of_memory+0xa84/0x1430 [ 359.737548] ? oom_killer_disable+0x3a0/0x3a0 [ 359.742048] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 359.746988] ? __mutex_add_waiter+0x2a0/0x2a0 [ 359.751499] __alloc_pages_slowpath+0x2318/0x2d80 [ 359.756380] ? warn_alloc+0x120/0x120 [ 359.760203] ? trace_hardirqs_on+0x310/0x310 [ 359.764618] ? print_usage_bug+0xc0/0xc0 [ 359.768684] ? warn_alloc+0x120/0x120 [ 359.772489] ? print_usage_bug+0xc0/0xc0 [ 359.776556] ? print_usage_bug+0xc0/0xc0 [ 359.780616] ? free_one_page+0x1700/0x1700 [ 359.784854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.790396] ? should_fail+0x22d/0xd01 [ 359.794305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.799414] ? __lock_acquire+0x7ec/0x4ec0 [ 359.803694] ? __lock_is_held+0xb5/0x140 [ 359.807770] ? graph_lock+0x170/0x170 [ 359.811580] ? ___might_sleep+0x1ed/0x300 [ 359.815729] ? lock_release+0x970/0x970 [ 359.819712] ? arch_local_save_flags+0x40/0x40 [ 359.824337] ? __might_sleep+0x95/0x190 [ 359.828322] __alloc_pages_nodemask+0xa80/0xde0 [ 359.833012] ? graph_lock+0x170/0x170 [ 359.836828] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 359.841848] ? graph_lock+0x170/0x170 [ 359.845661] ? mark_held_locks+0xc7/0x130 [ 359.849813] ? find_held_lock+0x36/0x1c0 [ 359.853887] ? cache_grow_begin+0x5a4/0x8c0 [ 359.858231] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.862827] ? trace_hardirqs_on+0xbd/0x310 [ 359.867153] ? fallback_alloc+0x203/0x2e0 [ 359.871301] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.876768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.882314] cache_grow_begin+0x91/0x8c0 [ 359.886380] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.890797] fallback_alloc+0x203/0x2e0 [ 359.894789] ____cache_alloc_node+0x1c7/0x1e0 [ 359.899297] kmem_cache_alloc_node_trace+0xe7/0x740 [ 359.904326] __kmalloc_node_track_caller+0x33/0x70 [ 359.909279] __kmalloc_reserve.isra.39+0x41/0xe0 [ 359.914041] __alloc_skb+0x155/0x770 [ 359.917770] ? skb_scrub_packet+0x490/0x490 [ 359.922095] ? if_nlmsg_size+0x5d1/0xbb0 [ 359.926163] ? nla_put_ifalias+0x170/0x170 [ 359.930410] ? sk_psock_stop_strp+0x120/0x120 [ 359.934912] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 359.939930] ? netif_tx_stop_all_queues+0xd9/0x110 [ 359.944869] rtmsg_ifinfo_build_skb+0x74/0x190 [ 359.949803] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 359.954659] rtmsg_ifinfo+0x8c/0xa0 [ 359.958293] dev_close_many+0x3be/0x860 [ 359.962279] ? netdev_master_upper_dev_link+0x50/0x50 [ 359.967474] ? find_held_lock+0x36/0x1c0 [ 359.971546] ? __queue_work+0x6be/0x1440 [ 359.975610] ? lock_downgrade+0x900/0x900 [ 359.979770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.985314] ? rtnl_is_locked+0xb5/0xf0 [ 359.989291] ? rtnl_trylock+0x20/0x20 [ 359.993092] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.997508] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 360.002101] rollback_registered_many+0x543/0x1210 [ 360.007058] ? generic_xdp_install+0x4c0/0x4c0 [ 360.011669] ? max_active_store+0x170/0x170 [ 360.015994] ? graph_lock+0x170/0x170 [ 360.019819] ? print_usage_bug+0xc0/0xc0 [ 360.023883] ? print_usage_bug+0xc0/0xc0 [ 360.027947] ? __debug_object_init+0x57d/0x1290 [ 360.032619] ? graph_lock+0x170/0x170 [ 360.036426] ? print_usage_bug+0xc0/0xc0 [ 360.040491] ? find_held_lock+0x36/0x1c0 [ 360.044563] ? mark_held_locks+0xc7/0x130 [ 360.048717] rollback_registered+0x1e9/0x420 [ 360.053133] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 360.057717] ? rollback_registered_many+0x1210/0x1210 [ 360.062918] ? trace_hardirqs_on+0xbd/0x310 [ 360.067890] ? linkwatch_schedule_work+0x150/0x170 [ 360.072831] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.078289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.083964] ? rtnl_is_locked+0xb5/0xf0 [ 360.087947] ? rtnl_trylock+0x20/0x20 [ 360.091761] ? queue_delayed_work_on+0x130/0x1f0 [ 360.096524] unregister_netdevice_queue+0x321/0x5e0 [ 360.101564] ? rollback_registered+0x420/0x420 [ 360.106157] ? linkwatch_schedule_work+0x170/0x170 [ 360.111090] ? tun_show_owner+0x170/0x170 [ 360.115241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.120793] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 360.126164] ? __tun_detach+0x6ba/0x15c0 [ 360.130237] __tun_detach+0x11b8/0x15c0 [ 360.134219] ? __call_rcu.constprop.69+0x429/0xbc0 [ 360.139159] ? tun_attach+0x1900/0x1900 [ 360.143137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.148679] ? check_preemption_disabled+0x48/0x200 [ 360.153707] ? graph_lock+0x170/0x170 [ 360.157514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.163054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.168594] ? locks_remove_file+0x3c6/0x5c0 [ 360.173007] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.178574] ? ima_file_free+0x132/0x650 [ 360.182642] ? __lock_is_held+0xb5/0x140 [ 360.186709] ? __tun_detach+0x15c0/0x15c0 [ 360.190863] ? __tun_detach+0x15c0/0x15c0 [ 360.195012] tun_chr_close+0xe3/0x180 [ 360.198924] __fput+0x385/0xa30 [ 360.202230] ? get_max_files+0x20/0x20 [ 360.206127] ? ___might_sleep+0x1ed/0x300 [ 360.210306] ? arch_local_save_flags+0x40/0x40 [ 360.214899] ____fput+0x15/0x20 [ 360.218200] task_work_run+0x1e8/0x2a0 [ 360.222095] ? task_work_cancel+0x240/0x240 [ 360.226483] ? switch_task_namespaces+0xb8/0xd0 [ 360.231160] do_exit+0x1ad7/0x2610 [ 360.234714] ? mm_update_next_owner+0x990/0x990 [ 360.239393] ? print_usage_bug+0xc0/0xc0 [ 360.243458] ? perf_trace_lock+0x14d/0x7a0 [ 360.247701] ? __lock_acquire+0x7ec/0x4ec0 [ 360.251942] ? find_held_lock+0x36/0x1c0 [ 360.256016] ? __lock_acquire+0x7ec/0x4ec0 [ 360.260252] ? mark_held_locks+0x130/0x130 [ 360.264495] ? lock_acquire+0x1ed/0x520 [ 360.268484] ? mark_held_locks+0x130/0x130 [ 360.272725] ? arch_local_save_flags+0x40/0x40 [ 360.277315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.283253] ? __mutex_lock+0x85e/0x1700 [ 360.287320] ? __switch_to_asm+0x40/0x70 [ 360.291385] ? __switch_to_asm+0x34/0x70 [ 360.295451] ? pipe_wait+0x266/0x2c0 [ 360.299175] ? mutex_trylock+0x2b0/0x2b0 [ 360.303253] ? graph_lock+0x170/0x170 [ 360.307057] ? find_held_lock+0x36/0x1c0 [ 360.311124] ? memset+0x31/0x40 [ 360.314413] ? find_held_lock+0x36/0x1c0 [ 360.318490] ? get_signal+0x95b/0x1980 [ 360.322387] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.326886] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.331393] do_group_exit+0x177/0x440 [ 360.335287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.340740] ? __ia32_sys_exit+0x50/0x50 [ 360.344832] get_signal+0x8b0/0x1980 [ 360.348562] ? ptrace_notify+0x130/0x130 [ 360.352630] ? finish_wait+0x430/0x430 [ 360.356524] ? graph_lock+0x170/0x170 [ 360.360336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.365910] ? pipe_read+0x702/0x940 [ 360.369628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.375181] do_signal+0x9c/0x21e0 [ 360.378722] ? __vfs_read+0x11f/0x9b0 [ 360.382537] ? vfs_copy_file_range+0xb90/0xb90 [ 360.387125] ? setup_sigcontext+0x7d0/0x7d0 [ 360.391468] ? exit_to_usermode_loop+0x8c/0x380 [ 360.396161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.401705] exit_to_usermode_loop+0x2e5/0x380 [ 360.406292] ? syscall_slow_exit_work+0x520/0x520 [ 360.411134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.416697] do_syscall_64+0x6be/0x820 [ 360.420628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 360.425996] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.430925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.435783] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.440812] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.445845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.450702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.455913] RIP: 0033:0x410fa0 [ 360.459112] Code: Bad RIP value. [ 360.462475] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 360.470186] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 360.477472] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 360.484742] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 360.492019] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 360.499290] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 360.506587] warn_alloc_show_mem: 1 callbacks suppressed [ 360.506600] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 360.506602] Mem-Info: [ 360.506635] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 360.506635] active_file:8 inactive_file:19 isolated_file:0 [ 360.506635] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.506635] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 360.506635] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 360.506635] free:13766 free_pcp:526 free_cma:0 [ 360.511980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.519343] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.519351] Node 0 [ 360.521779] Call Trace: [ 360.554880] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 360.564207] [ 360.591960] lowmem_reserve[]: [ 360.594207] dump_stack+0x1c4/0x2b4 [ 360.596765] 0 [ 360.622284] ? dump_stack_print_info.cold.2+0x52/0x52 [ 360.624404] 2819 [ 360.627518] warn_alloc.cold.119+0xb7/0x1bd [ 360.631107] 6323 [ 360.632910] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.638074] 6323 [ 360.640136] ? lock_downgrade+0x900/0x900 [ 360.644435] Node 0 [ 360.646501] ? trace_hardirqs_off+0xb8/0x310 [ 360.651338] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 360.653377] ? trace_hardirqs_off+0xb8/0x310 [ 360.657490] lowmem_reserve[]: 0 [ 360.659739] __alloc_pages_slowpath+0x2667/0x2d80 [ 360.664121] 0 3503 [ 360.691323] ? warn_alloc+0x120/0x120 [ 360.695701] 3503 [ 360.698986] ? trace_hardirqs_on+0x310/0x310 [ 360.706090] ? warn_alloc+0x120/0x120 [ 360.709861] Node 0 [ 360.711936] ? print_usage_bug+0xc0/0xc0 [ 360.716340] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 360.720128] ? warn_alloc+0x120/0x120 [ 360.722332] lowmem_reserve[]: [ 360.726396] ? ktime_get+0x2e1/0x440 [ 360.726415] ? print_usage_bug+0xc0/0xc0 [ 360.754954] 0 [ 360.758774] ? __lock_acquire+0x7ec/0x4ec0 [ 360.761846] 0 [ 360.765564] ? __lock_acquire+0x7ec/0x4ec0 [ 360.769599] 0 [ 360.771436] ? kasan_check_read+0x11/0x20 [ 360.775634] 0 [ 360.777448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.781651] Node 0 [ 360.783448] ? should_fail+0x22d/0xd01 [ 360.787567] DMA: [ 360.789370] ? rcu_bh_qs+0xc0/0xc0 [ 360.794884] 1*4kB [ 360.797122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.800982] (U) [ 360.803045] ? __lock_acquire+0x7ec/0x4ec0 [ 360.806560] 0*8kB [ 360.808707] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.813788] 0*16kB [ 360.815767] ? __lock_acquire+0x7ec/0x4ec0 [ 360.819996] 1*32kB [ 360.822141] ? should_fail+0x22d/0xd01 [ 360.827222] (U) [ 360.829459] ? rcu_idle_enter+0x4b0/0x4b0 [ 360.833666] 2*64kB [ 360.835901] ? mark_held_locks+0x130/0x130 [ 360.839767] (U) [ 360.841743] ? mark_held_locks+0x130/0x130 [ 360.845872] 1*128kB [ 360.848109] ? mark_held_locks+0xc7/0x130 [ 360.852315] (U) [ 360.854290] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 360.858496] 1*256kB (U) [ 360.860837] ? graph_lock+0x170/0x170 [ 360.864956] 0*512kB 1*1024kB [ 360.866935] ? print_usage_bug+0xc0/0xc0 [ 360.871927] (U) [ 360.874599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.878375] 1*2048kB [ 360.881480] ? check_preemption_disabled+0x48/0x200 [ 360.885534] (M) [ 360.887507] ? check_preemption_disabled+0x48/0x200 [ 360.893031] 3*4096kB (M) [ 360.895455] ? __lock_is_held+0xb5/0x140 [ 360.900437] = 15908kB [ 360.900446] Node 0 [ 360.902420] __alloc_pages_nodemask+0xa80/0xde0 [ 360.907399] DMA32: 3*4kB [ 360.910160] ? graph_lock+0x170/0x170 [ 360.914196] (M) [ 360.916621] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 360.918832] 2*8kB (UM) [ 360.923501] ? graph_lock+0x170/0x170 [ 360.926235] 2*16kB (M) [ 360.930047] ? find_held_lock+0x36/0x1c0 [ 360.931991] 3*32kB (UM) [ 360.937014] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.939572] 5*64kB [ 360.943368] ? lock_downgrade+0x900/0x900 [ 360.945928] (UM) [ 360.949994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.952638] 3*128kB [ 360.957308] cache_grow_begin+0x91/0x8c0 [ 360.959516] (M) [ 360.963664] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.965693] 3*256kB (M) [ 360.971257] fallback_alloc+0x203/0x2e0 [ 360.973554] 4*512kB [ 360.977611] ____cache_alloc_node+0x1c7/0x1e0 [ 360.979553] (UM) 3*1024kB [ 360.983966] kmem_cache_alloc_node+0xe3/0x730 [ 360.986611] (UM) [ 360.990623] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.992918] 3*2048kB (UM) [ 360.997421] __alloc_skb+0x119/0x770 [ 361.000229] 3*4096kB (M) [ 361.004730] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.006771] = 25180kB [ 361.011001] ? skb_scrub_packet+0x490/0x490 [ 361.013831] Node 0 [ 361.017552] ? lock_downgrade+0x900/0x900 [ 361.020281] Normal: [ 361.025558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.027939] 960*4kB [ 361.032258] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.034469] (MEH) [ 361.038614] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.040915] 471*8kB [ 361.046447] ? addrconf_rs_timer+0x690/0x690 [ 361.048744] (UME) [ 361.054210] ndisc_alloc_skb+0x144/0x340 [ 361.056323] 178*16kB (ME) [ 361.061783] ndisc_send_rs+0x331/0x6e0 [ 361.064082] 44*32kB (UME) [ 361.068497] addrconf_rs_timer+0x314/0x690 [ 361.070619] 1*64kB (U) [ 361.074682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.077506] 0*128kB [ 361.081398] call_timer_fn+0x272/0x920 [ 361.084210] 0*256kB [ 361.088439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.091001] 2*512kB [ 361.095227] ? process_timeout+0x40/0x40 [ 361.097527] (U) [ 361.101407] ? find_held_lock+0x36/0x1c0 [ 361.103710] 1*1024kB [ 361.107941] ? __run_timers+0x7da/0xc70 [ 361.110236] (U) [ 361.114297] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.116251] 0*2048kB [ 361.120344] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.122725] 0*4096kB [ 361.126700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.128659] = 13976kB [ 361.133160] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.135551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.140037] ? trace_hardirqs_on+0xbd/0x310 [ 361.142427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.146651] ? kasan_check_read+0x11/0x20 [ 361.149039] 2889 total pagecache pages [ 361.153629] ? __run_timers+0x7da/0xc70 [ 361.162448] 0 pages in swap cache [ 361.166781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.175336] Swap cache stats: add 0, delete 0, find 0/0 [ 361.179476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.183340] Free swap = 0kB [ 361.187305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.190737] Total swap = 0kB [ 361.196190] __run_timers+0x7e5/0xc70 [ 361.201525] 1965979 pages RAM [ 361.205774] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.208766] 0 pages HighMem/MovableOnly [ 361.213003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.215989] 342306 pages reserved [ 361.215997] 0 pages cma reserved [ 361.219792] ? rcu_bh_qs+0xc0/0xc0 [ 361.222951] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.228227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.228243] ? check_preemption_disabled+0x48/0x200 [ 361.228267] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.232280] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.237486] ? retint_kernel+0x2d/0x2d [ 361.240916] syz-executor1 cpuset= [ 361.244282] ? trace_hardirqs_on_caller+0xc0/0x310 [ 361.247796] syz1 [ 361.254283] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.259796] mems_allowed=0 [ 361.264803] ? trace_hardirqs_off+0x310/0x310 [ 361.306353] ? check_preemption_disabled+0x48/0x200 [ 361.311392] ? graph_lock+0x170/0x170 [ 361.315200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.320739] ? check_preemption_disabled+0x48/0x200 [ 361.325786] ? __lock_is_held+0xb5/0x140 [ 361.329852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.335392] ? check_preemption_disabled+0x48/0x200 [ 361.340424] run_timer_softirq+0x52/0xb0 [ 361.344490] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.349509] __do_softirq+0x30b/0xad8 [ 361.353345] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.358476] ? pvclock_read_flags+0x160/0x160 [ 361.362972] ? lapic_next_event+0x5a/0x90 [ 361.367120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.372696] ? check_preemption_disabled+0x48/0x200 [ 361.377718] ? check_preemption_disabled+0x48/0x200 [ 361.382755] ? kvm_clock_read+0x18/0x30 [ 361.386731] ? kvm_sched_clock_read+0x9/0x20 [ 361.391154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.396698] ? check_preemption_disabled+0x48/0x200 [ 361.401730] irq_exit+0x17f/0x1c0 [ 361.405195] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.410037] ? smp_reschedule_interrupt+0x109/0x650 [ 361.415054] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.420947] ? interrupt_entry+0xb5/0xf0 [ 361.425012] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.430027] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.435047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.439892] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.444908] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.449927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.455466] ? check_preemption_disabled+0x48/0x200 [ 361.460481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.466029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.470885] apic_timer_interrupt+0xf/0x20 [ 361.475115] [ 361.477357] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.482290] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 361.501194] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.508905] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.516173] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 361.523440] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 361.530706] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.537975] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 361.545293] skb_clone+0x1bb/0x500 [ 361.548842] ? finish_task_switch+0x2f5/0x900 [ 361.553347] ? skb_split+0x11e0/0x11e0 [ 361.557239] ? preempt_notifier_register+0x200/0x200 [ 361.562354] ? __switch_to_asm+0x34/0x70 [ 361.566419] ? __switch_to_asm+0x34/0x70 [ 361.570482] ? __switch_to_asm+0x40/0x70 [ 361.574546] ? __switch_to_asm+0x34/0x70 [ 361.578607] ? __switch_to_asm+0x40/0x70 [ 361.582666] ? __switch_to_asm+0x34/0x70 [ 361.586728] ? __switch_to_asm+0x40/0x70 [ 361.590828] ? __switch_to_asm+0x34/0x70 [ 361.594891] ? __switch_to_asm+0x34/0x70 [ 361.598953] ? __switch_to_asm+0x40/0x70 [ 361.603014] ? __switch_to_asm+0x34/0x70 [ 361.607099] bpf_clone_redirect+0xb9/0x490 [ 361.611344] ? __schedule+0x874/0x1ed0 [ 361.615242] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 361.620261] ? __sched_text_start+0x8/0x8 [ 361.624415] ? retint_kernel+0x2d/0x2d [ 361.628312] ? find_held_lock+0x36/0x1c0 [ 361.632387] ? lock_acquire+0x1ed/0x520 [ 361.636364] ? bpf_test_run+0x3cb/0x780 [ 361.640345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.645887] ? check_preemption_disabled+0x48/0x200 [ 361.650912] ? kasan_check_read+0x11/0x20 [ 361.655068] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.660351] ? rcu_bh_qs+0xc0/0xc0 [ 361.663898] ? preempt_schedule+0x4d/0x60 [ 361.668048] ? ___preempt_schedule+0x16/0x18 [ 361.672468] ? bpf_test_run+0x25d/0x780 [ 361.676457] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.680892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.686455] ? bpf_test_init.isra.9+0x70/0x100 [ 361.691045] ? bpf_prog_test_run_skb+0x634/0xb40 [ 361.695827] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.700683] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.706224] ? fput+0x130/0x1a0 [ 361.709530] ? __bpf_prog_get+0x9b/0x290 [ 361.713599] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.718441] ? bpf_prog_test_run+0x130/0x1a0 [ 361.722869] ? __x64_sys_bpf+0x3d8/0x510 [ 361.726934] ? bpf_prog_get+0x20/0x20 [ 361.730771] ? do_syscall_64+0x1b9/0x820 [ 361.734837] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.740216] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.745155] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.750175] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.755194] ? recalc_sigpending_tsk+0x180/0x180 [ 361.759955] ? kasan_check_write+0x14/0x20 [ 361.764202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.769061] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.774449] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 361.774537] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.781729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.781735] Call Trace: [ 361.781742] [ 361.781787] dump_stack+0x1c4/0x2b4 [ 361.781802] ? dump_stack_print_info.cold.2+0x52/0x52 [ 361.781835] warn_alloc.cold.119+0xb7/0x1bd [ 361.781852] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.788453] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.797692] ? lock_downgrade+0x900/0x900 [ 361.800268] syz-executor2 cpuset= [ 361.802430] ? trace_hardirqs_off+0xb8/0x310 [ 361.806029] syz2 [ 361.811216] ? trace_hardirqs_off+0xb8/0x310 [ 361.815515] mems_allowed=0 [ 361.820357] __alloc_pages_slowpath+0x2667/0x2d80 [ 361.856985] ? warn_alloc+0x120/0x120 [ 361.860794] ? lock_release+0x970/0x970 [ 361.864784] ? warn_alloc+0x120/0x120 [ 361.868595] ? print_usage_bug+0xc0/0xc0 [ 361.872660] ? warn_alloc+0x120/0x120 [ 361.876466] ? print_usage_bug+0xc0/0xc0 [ 361.880538] ? __lock_acquire+0x7ec/0x4ec0 [ 361.884782] ? __lock_acquire+0x7ec/0x4ec0 [ 361.889025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.894564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.900106] ? should_fail+0x22d/0xd01 [ 361.904000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.909110] ? __lock_acquire+0x7ec/0x4ec0 [ 361.913367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.918485] ? __lock_acquire+0x7ec/0x4ec0 [ 361.922738] ? should_fail+0x22d/0xd01 [ 361.926649] ? mark_held_locks+0x130/0x130 [ 361.930892] ? mark_held_locks+0x130/0x130 [ 361.935133] ? graph_lock+0x170/0x170 [ 361.938936] ? print_usage_bug+0xc0/0xc0 [ 361.942998] ? graph_lock+0x170/0x170 [ 361.946803] ? print_usage_bug+0xc0/0xc0 [ 361.951315] ? wq_watchdog_touch+0x9c/0xfe [ 361.955557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.961097] ? check_preemption_disabled+0x48/0x200 [ 361.966115] ? check_preemption_disabled+0x48/0x200 [ 361.971147] ? __lock_is_held+0xb5/0x140 [ 361.975217] __alloc_pages_nodemask+0xa80/0xde0 [ 361.979896] ? graph_lock+0x170/0x170 [ 361.983709] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 361.988725] ? graph_lock+0x170/0x170 [ 361.992546] ? find_held_lock+0x36/0x1c0 [ 361.996623] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.001307] ? lock_downgrade+0x900/0x900 [ 362.005490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.011051] cache_grow_begin+0x91/0x8c0 [ 362.015130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.019560] fallback_alloc+0x203/0x2e0 [ 362.023559] ____cache_alloc_node+0x1c7/0x1e0 [ 362.028082] kmem_cache_alloc_node+0xe3/0x730 [ 362.032598] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.036864] __alloc_skb+0x119/0x770 [ 362.040593] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.045890] ? skb_scrub_packet+0x490/0x490 [ 362.050220] ? lock_downgrade+0x900/0x900 [ 362.054382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.059926] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.065386] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.070845] ? addrconf_rs_timer+0x690/0x690 [ 362.075271] ndisc_alloc_skb+0x144/0x340 [ 362.079344] ndisc_send_rs+0x331/0x6e0 [ 362.083602] addrconf_rs_timer+0x314/0x690 [ 362.087848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.092101] call_timer_fn+0x272/0x920 [ 362.095993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.100233] ? process_timeout+0x40/0x40 [ 362.104295] ? find_held_lock+0x36/0x1c0 [ 362.108369] ? mark_held_locks+0xc7/0x130 [ 362.112526] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.117058] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.121553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.125789] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 362.130391] ? trace_hardirqs_on+0xbd/0x310 [ 362.134717] ? kasan_check_read+0x11/0x20 [ 362.138877] ? __run_timers+0x7da/0xc70 [ 362.142859] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.148314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.152579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.156820] __run_timers+0x7e5/0xc70 [ 362.160638] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 362.166005] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.171025] ? graph_lock+0x170/0x170 [ 362.174838] ? print_usage_bug+0xc0/0xc0 [ 362.178899] ? lock_release+0x970/0x970 [ 362.182882] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.188081] ? find_held_lock+0x36/0x1c0 [ 362.192157] ? graph_lock+0x170/0x170 [ 362.195967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.201507] ? check_preemption_disabled+0x48/0x200 [ 362.206539] ? __lock_is_held+0xb5/0x140 [ 362.210603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.216143] ? check_preemption_disabled+0x48/0x200 [ 362.221180] run_timer_softirq+0x52/0xb0 [ 362.225243] ? rcu_read_lock_sched_held+0x108/0x120 [ 362.230263] __do_softirq+0x30b/0xad8 [ 362.234075] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 362.239187] ? pvclock_read_flags+0x160/0x160 [ 362.243682] ? lapic_next_event+0x5a/0x90 [ 362.247837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.253379] ? check_preemption_disabled+0x48/0x200 [ 362.258396] ? check_preemption_disabled+0x48/0x200 [ 362.263420] ? kvm_clock_read+0x18/0x30 [ 362.267396] ? kvm_sched_clock_read+0x9/0x20 [ 362.271807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.277351] ? check_preemption_disabled+0x48/0x200 [ 362.282383] irq_exit+0x17f/0x1c0 [ 362.285849] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.290695] ? smp_reschedule_interrupt+0x109/0x650 [ 362.295715] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.301610] ? interrupt_entry+0xb5/0xf0 [ 362.305679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.310697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.315720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.320575] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.325596] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.330616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.336155] ? check_preemption_disabled+0x48/0x200 [ 362.341175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.346722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.351583] apic_timer_interrupt+0xf/0x20 [ 362.355815] [ 362.358062] RIP: 0010:console_unlock+0xfdf/0x1160 [ 362.362910] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 362.381833] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.389559] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 362.396834] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 362.404109] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 362.411376] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 362.418644] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 362.425930] ? netconsole_netdev_event+0x280/0x280 [ 362.430875] ? console_unlock+0xfd6/0x1160 [ 362.435134] ? devkmsg_read+0xbb0/0xbb0 [ 362.439110] ? vprintk_emit+0x7f7/0x930 [ 362.443091] ? lock_release+0x970/0x970 [ 362.447067] ? trace_hardirqs_on+0x10/0x310 [ 362.451393] ? vprintk_default+0x28/0x30 [ 362.455478] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.460936] ? kasan_check_write+0x14/0x20 [ 362.465176] ? do_raw_spin_lock+0xc1/0x200 [ 362.469424] vprintk_emit+0x33d/0x930 [ 362.473234] ? wake_up_klogd+0x180/0x180 [ 362.477312] ? find_held_lock+0x36/0x1c0 [ 362.481398] ? mark_held_locks+0xc7/0x130 [ 362.485556] vprintk_default+0x28/0x30 [ 362.489446] vprintk_func+0x7e/0x181 [ 362.493166] printk+0xa7/0xcf [ 362.496277] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 362.501037] ? kasan_check_write+0x14/0x20 [ 362.505292] ? do_raw_spin_lock+0xc1/0x200 [ 362.509570] show_free_areas.cold.120+0x1b8e/0x215d [ 362.514653] ? si_meminfo_node+0x260/0x260 [ 362.518894] ? __lock_acquire+0x7ec/0x4ec0 [ 362.523136] ? __lock_acquire+0x7ec/0x4ec0 [ 362.527375] ? __lock_acquire+0x7ec/0x4ec0 [ 362.531615] ? kasan_check_write+0x14/0x20 [ 362.535852] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 362.541662] ? mark_held_locks+0x130/0x130 [ 362.545902] ? mark_held_locks+0x130/0x130 [ 362.550150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.555692] ? graph_lock+0x170/0x170 [ 362.559496] ? put_dec+0x3b/0xf0 [ 362.562884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.568421] ? number+0x972/0xca0 [ 362.571880] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 362.576904] ? find_held_lock+0x36/0x1c0 [ 362.580978] ? serial8250_console_write+0x8b3/0xb10 [ 362.586000] ? lock_downgrade+0x900/0x900 [ 362.590150] ? graph_lock+0x170/0x170 [ 362.593954] ? graph_lock+0x170/0x170 [ 362.597761] ? print_usage_bug+0xc0/0xc0 [ 362.601827] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.606240] ? trace_hardirqs_on+0x310/0x310 [ 362.610647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.616204] ? wq_watchdog_touch+0x9c/0xfe [ 362.620452] ? io_serial_in+0x11/0x90 [ 362.624265] ? find_held_lock+0x36/0x1c0 [ 362.628334] ? mark_held_locks+0xc7/0x130 [ 362.632489] ? console_unlock+0xfaa/0x1160 [ 362.636779] ? console_unlock+0xfaa/0x1160 [ 362.641016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.645619] ? vprintk_emit+0x33d/0x930 [ 362.649617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.655071] ? kasan_check_write+0x14/0x20 [ 362.659307] ? do_raw_spin_lock+0xc1/0x200 [ 362.663551] ? netconsole_netdev_event+0x280/0x280 [ 362.668484] ? console_unlock+0x9ba/0x1160 [ 362.672735] ? devkmsg_read+0xbb0/0xbb0 [ 362.676723] ? lock_release+0x970/0x970 [ 362.680711] ? preempt_count_add+0x7d/0x160 [ 362.685041] ? wake_up_klogd+0x11a/0x180 [ 362.689107] ? console_device+0xc0/0xc0 [ 362.693095] ? vprintk_emit+0x268/0x930 [ 362.697076] ? wake_up_klogd+0x180/0x180 [ 362.701140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.705898] ? trace_hardirqs_off+0x310/0x310 [ 362.710426] ? retint_kernel+0x1b/0x2d [ 362.714312] ? trace_hardirqs_on+0x310/0x310 [ 362.718730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.723503] ? retint_kernel+0x2d/0x2d [ 362.727405] ? arch_local_irq_restore+0x45/0x52 [ 362.732078] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 362.737093] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 362.741869] ? show_mem+0x1e/0x17b [ 362.745416] show_mem+0x34/0x17b [ 362.748794] dump_header+0x2f1/0xf72 [ 362.752524] ? pagefault_out_of_memory+0x197/0x197 [ 362.757464] ? __lock_acquire+0x7ec/0x4ec0 [ 362.761704] ? print_usage_bug+0xc0/0xc0 [ 362.765781] ? graph_lock+0x170/0x170 [ 362.769585] ? print_usage_bug+0xc0/0xc0 [ 362.773645] ? print_usage_bug+0xc0/0xc0 [ 362.777719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.783274] ? find_held_lock+0x36/0x1c0 [ 362.787346] ? mark_held_locks+0xc7/0x130 [ 362.791503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.796608] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.801713] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.806297] ? trace_hardirqs_on+0xbd/0x310 [ 362.810619] ? kasan_check_read+0x11/0x20 [ 362.814773] ? ___ratelimit+0x36f/0x655 [ 362.818757] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.824218] ? trace_hardirqs_on+0x310/0x310 [ 362.828648] ? lock_downgrade+0x900/0x900 [ 362.832805] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.837930] ? ___ratelimit+0xaa/0x655 [ 362.841830] ? idr_get_free+0xec0/0xec0 [ 362.845809] ? kasan_check_write+0x14/0x20 [ 362.850052] ? do_raw_spin_lock+0xc1/0x200 [ 362.854297] oom_kill_process.cold.27+0x10/0x903 [ 362.859061] ? graph_lock+0x170/0x170 [ 362.862872] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.868671] ? kasan_check_read+0x11/0x20 [ 362.872831] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.878114] ? oom_evaluate_task+0x540/0x540 [ 362.882527] ? find_held_lock+0x36/0x1c0 [ 362.886614] ? out_of_memory+0x974/0x1430 [ 362.890776] ? lock_downgrade+0x900/0x900 [ 362.894930] ? check_preemption_disabled+0x48/0x200 [ 362.899957] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.905764] ? kasan_check_read+0x11/0x20 [ 362.909920] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.915202] ? rcu_bh_qs+0xc0/0xc0 [ 362.918757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.924293] ? oom_evaluate_task+0x302/0x540 [ 362.928713] out_of_memory+0xa84/0x1430 [ 362.932698] ? oom_killer_disable+0x3a0/0x3a0 [ 362.937198] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 362.942134] ? __mutex_add_waiter+0x2a0/0x2a0 [ 362.946648] __alloc_pages_slowpath+0x2318/0x2d80 [ 362.951526] ? warn_alloc+0x120/0x120 [ 362.955348] ? trace_hardirqs_on+0x310/0x310 [ 362.959773] ? print_usage_bug+0xc0/0xc0 [ 362.963840] ? warn_alloc+0x120/0x120 [ 362.967647] ? print_usage_bug+0xc0/0xc0 [ 362.971714] ? print_usage_bug+0xc0/0xc0 [ 362.975782] ? free_one_page+0x1700/0x1700 [ 362.980024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.985564] ? should_fail+0x22d/0xd01 [ 362.989461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.994566] ? __lock_acquire+0x7ec/0x4ec0 [ 362.998835] ? __lock_is_held+0xb5/0x140 [ 363.002912] ? graph_lock+0x170/0x170 [ 363.006718] ? ___might_sleep+0x1ed/0x300 [ 363.010877] ? lock_release+0x970/0x970 [ 363.014858] ? arch_local_save_flags+0x40/0x40 [ 363.019457] ? __might_sleep+0x95/0x190 [ 363.023469] __alloc_pages_nodemask+0xa80/0xde0 [ 363.028157] ? graph_lock+0x170/0x170 [ 363.031971] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 363.036987] ? graph_lock+0x170/0x170 [ 363.040800] ? mark_held_locks+0xc7/0x130 [ 363.044952] ? find_held_lock+0x36/0x1c0 [ 363.049024] ? cache_grow_begin+0x5a4/0x8c0 [ 363.053363] ? lockdep_hardirqs_on+0x421/0x5c0 [ 363.057953] ? trace_hardirqs_on+0xbd/0x310 [ 363.062277] ? fallback_alloc+0x203/0x2e0 [ 363.066432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.071895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.077442] cache_grow_begin+0x91/0x8c0 [ 363.081507] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.085927] fallback_alloc+0x203/0x2e0 [ 363.089915] ____cache_alloc_node+0x1c7/0x1e0 [ 363.094422] kmem_cache_alloc_node_trace+0xe7/0x740 [ 363.099455] __kmalloc_node_track_caller+0x33/0x70 [ 363.104393] __kmalloc_reserve.isra.39+0x41/0xe0 [ 363.109156] __alloc_skb+0x155/0x770 [ 363.112880] ? skb_scrub_packet+0x490/0x490 [ 363.117207] ? if_nlmsg_size+0x5d1/0xbb0 [ 363.121275] ? nla_put_ifalias+0x170/0x170 [ 363.125537] ? sk_psock_stop_strp+0x120/0x120 [ 363.130039] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.135099] ? netif_tx_stop_all_queues+0xd9/0x110 [ 363.140034] rtmsg_ifinfo_build_skb+0x74/0x190 [ 363.144626] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 363.149475] rtmsg_ifinfo+0x8c/0xa0 [ 363.153113] dev_close_many+0x3be/0x860 [ 363.157106] ? netdev_master_upper_dev_link+0x50/0x50 [ 363.162302] ? find_held_lock+0x36/0x1c0 [ 363.166388] ? __queue_work+0x6be/0x1440 [ 363.170454] ? lock_downgrade+0x900/0x900 [ 363.174613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.180184] ? rtnl_is_locked+0xb5/0xf0 [ 363.184164] ? rtnl_trylock+0x20/0x20 [ 363.187965] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.192379] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 363.196971] rollback_registered_many+0x543/0x1210 [ 363.201912] ? generic_xdp_install+0x4c0/0x4c0 [ 363.206501] ? max_active_store+0x170/0x170 [ 363.210836] ? graph_lock+0x170/0x170 [ 363.214642] ? print_usage_bug+0xc0/0xc0 [ 363.218711] ? print_usage_bug+0xc0/0xc0 [ 363.222782] ? __debug_object_init+0x57d/0x1290 [ 363.227462] ? graph_lock+0x170/0x170 [ 363.231266] ? print_usage_bug+0xc0/0xc0 [ 363.235331] ? find_held_lock+0x36/0x1c0 [ 363.239414] ? mark_held_locks+0xc7/0x130 [ 363.243588] rollback_registered+0x1e9/0x420 [ 363.248002] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 363.252586] ? rollback_registered_many+0x1210/0x1210 [ 363.257783] ? trace_hardirqs_on+0xbd/0x310 [ 363.262113] ? linkwatch_schedule_work+0x150/0x170 [ 363.267046] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.272506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.278054] ? rtnl_is_locked+0xb5/0xf0 [ 363.282032] ? rtnl_trylock+0x20/0x20 [ 363.285846] ? queue_delayed_work_on+0x130/0x1f0 [ 363.290625] unregister_netdevice_queue+0x321/0x5e0 [ 363.295645] ? rollback_registered+0x420/0x420 [ 363.300233] ? linkwatch_schedule_work+0x170/0x170 [ 363.305170] ? tun_show_owner+0x170/0x170 [ 363.309335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.314904] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 363.320287] ? __tun_detach+0x6ba/0x15c0 [ 363.324378] __tun_detach+0x11b8/0x15c0 [ 363.328372] ? __call_rcu.constprop.69+0x429/0xbc0 [ 363.333324] ? tun_attach+0x1900/0x1900 [ 363.337326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.342875] ? check_preemption_disabled+0x48/0x200 [ 363.347908] ? graph_lock+0x170/0x170 [ 363.351715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.357260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.362803] ? locks_remove_file+0x3c6/0x5c0 [ 363.367218] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 363.372766] ? ima_file_free+0x132/0x650 [ 363.376842] ? __lock_is_held+0xb5/0x140 [ 363.380915] ? __tun_detach+0x15c0/0x15c0 [ 363.385072] ? __tun_detach+0x15c0/0x15c0 [ 363.389219] tun_chr_close+0xe3/0x180 [ 363.393046] __fput+0x385/0xa30 [ 363.396333] ? get_max_files+0x20/0x20 [ 363.400228] ? ___might_sleep+0x1ed/0x300 [ 363.404389] ? arch_local_save_flags+0x40/0x40 [ 363.408998] ____fput+0x15/0x20 [ 363.412279] task_work_run+0x1e8/0x2a0 [ 363.416172] ? task_work_cancel+0x240/0x240 [ 363.420536] ? switch_task_namespaces+0xb8/0xd0 [ 363.425212] do_exit+0x1ad7/0x2610 [ 363.428769] ? mm_update_next_owner+0x990/0x990 [ 363.433442] ? print_usage_bug+0xc0/0xc0 [ 363.437507] ? perf_trace_lock+0x14d/0x7a0 [ 363.441747] ? __lock_acquire+0x7ec/0x4ec0 [ 363.445998] ? find_held_lock+0x36/0x1c0 [ 363.450077] ? __lock_acquire+0x7ec/0x4ec0 [ 363.454313] ? mark_held_locks+0x130/0x130 [ 363.458558] ? lock_acquire+0x1ed/0x520 [ 363.462576] ? mark_held_locks+0x130/0x130 [ 363.466832] ? arch_local_save_flags+0x40/0x40 [ 363.471416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.476983] ? __mutex_lock+0x85e/0x1700 [ 363.481047] ? __switch_to_asm+0x40/0x70 [ 363.485142] ? __switch_to_asm+0x34/0x70 [ 363.489203] ? pipe_wait+0x266/0x2c0 [ 363.492927] ? mutex_trylock+0x2b0/0x2b0 [ 363.497003] ? graph_lock+0x170/0x170 [ 363.500808] ? find_held_lock+0x36/0x1c0 [ 363.504887] ? memset+0x31/0x40 [ 363.508237] ? find_held_lock+0x36/0x1c0 [ 363.512310] ? get_signal+0x95b/0x1980 [ 363.516201] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.520712] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.525215] do_group_exit+0x177/0x440 [ 363.529110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.534562] ? __ia32_sys_exit+0x50/0x50 [ 363.538639] get_signal+0x8b0/0x1980 [ 363.542366] ? ptrace_notify+0x130/0x130 [ 363.546435] ? finish_wait+0x430/0x430 [ 363.550328] ? graph_lock+0x170/0x170 [ 363.554142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.559681] ? pipe_read+0x702/0x940 [ 363.563401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.568955] do_signal+0x9c/0x21e0 [ 363.572497] ? __vfs_read+0x11f/0x9b0 [ 363.576306] ? vfs_copy_file_range+0xb90/0xb90 [ 363.580896] ? setup_sigcontext+0x7d0/0x7d0 [ 363.585243] ? exit_to_usermode_loop+0x8c/0x380 [ 363.589937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.595484] exit_to_usermode_loop+0x2e5/0x380 [ 363.600106] ? syscall_slow_exit_work+0x520/0x520 [ 363.604949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.610499] do_syscall_64+0x6be/0x820 [ 363.614389] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.619764] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.624696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.629541] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.634562] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.639601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.644465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.649654] RIP: 0033:0x410fa0 [ 363.652860] Code: Bad RIP value. [ 363.656225] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 363.663970] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 363.671239] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 363.678511] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 363.685794] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 363.693068] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 363.700396] warn_alloc_show_mem: 1 callbacks suppressed [ 363.700408] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 363.700411] Mem-Info: [ 363.700443] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 363.700443] active_file:8 inactive_file:19 isolated_file:0 [ 363.700443] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.700443] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 363.700443] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 363.700443] free:13766 free_pcp:526 free_cma:0 [ 363.705785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.713197] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.715597] Call Trace: [ 363.748551] Node 0 [ 363.757898] [ 363.785666] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.788229] dump_stack+0x1c4/0x2b4 [ 363.790427] lowmem_reserve[]: 0 [ 363.792582] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.818052] 2819 6323 [ 363.821697] warn_alloc.cold.119+0xb7/0x1bd [ 363.824944] 6323 [ 363.830131] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.836940] ? lock_downgrade+0x900/0x900 [ 363.838978] Node 0 [ 363.843817] ? trace_hardirqs_off+0xb8/0x310 [ 363.847964] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 363.850171] ? trace_hardirqs_off+0xb8/0x310 [ 363.854547] lowmem_reserve[]: 0 [ 363.881703] __alloc_pages_slowpath+0x2667/0x2d80 [ 363.886080] 0 [ 363.889382] ? warn_alloc+0x120/0x120 [ 363.894175] 3503 [ 363.895974] ? trace_hardirqs_on+0x310/0x310 [ 363.899764] 3503 [ 363.901820] ? warn_alloc+0x120/0x120 [ 363.908270] ? print_usage_bug+0xc0/0xc0 [ 363.912047] Node 0 [ 363.916130] ? warn_alloc+0x120/0x120 [ 363.916160] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 363.916168] lowmem_reserve[]: [ 363.918406] ? ktime_get+0x2e1/0x440 [ 363.922184] 0 [ 363.950838] ? print_usage_bug+0xc0/0xc0 [ 363.953925] 0 [ 363.957635] ? __lock_acquire+0x7ec/0x4ec0 [ 363.959413] 0 [ 363.963472] ? __lock_acquire+0x7ec/0x4ec0 [ 363.965250] 0 [ 363.969483] ? kasan_check_read+0x11/0x20 [ 363.975494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.977268] Node 0 [ 363.981413] ? should_fail+0x22d/0xd01 [ 363.986924] DMA: [ 363.989158] ? rcu_bh_qs+0xc0/0xc0 [ 363.993019] 1*4kB [ 363.995075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.998589] (U) [ 364.000738] ? __lock_acquire+0x7ec/0x4ec0 [ 364.005825] 0*8kB [ 364.007793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.011997] 0*16kB 1*32kB [ 364.014150] ? __lock_acquire+0x7ec/0x4ec0 [ 364.019230] (U) [ 364.022073] ? should_fail+0x22d/0xd01 [ 364.026282] 2*64kB [ 364.028252] ? rcu_idle_enter+0x4b0/0x4b0 [ 364.032105] (U) 1*128kB [ 364.034360] ? mark_held_locks+0x130/0x130 [ 364.038485] (U) [ 364.041152] ? mark_held_locks+0x130/0x130 [ 364.045360] 1*256kB [ 364.047336] ? mark_held_locks+0xc7/0x130 [ 364.051540] (U) [ 364.053864] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.057986] 0*512kB [ 364.059958] ? graph_lock+0x170/0x170 [ 364.064955] 1*1024kB [ 364.067272] ? print_usage_bug+0xc0/0xc0 [ 364.071065] (U) [ 364.073476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.077503] 1*2048kB (M) [ 364.079485] ? check_preemption_disabled+0x48/0x200 [ 364.085095] 3*4096kB (M) [ 364.087865] ? check_preemption_disabled+0x48/0x200 [ 364.092859] = 15908kB [ 364.095621] ? __lock_is_held+0xb5/0x140 [ 364.100617] Node 0 [ 364.103035] __alloc_pages_nodemask+0xa80/0xde0 [ 364.107060] DMA32: 3*4kB [ 364.109299] ? graph_lock+0x170/0x170 [ 364.113941] (M) 2*8kB [ 364.116704] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 364.120490] (UM) [ 364.122979] ? graph_lock+0x170/0x170 [ 364.127966] 2*16kB (M) [ 364.130043] ? find_held_lock+0x36/0x1c0 [ 364.133815] 3*32kB [ 364.136400] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.140430] (UM) [ 364.142664] ? lock_downgrade+0x900/0x900 [ 364.147304] 5*64kB (UM) [ 364.149378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.153493] 3*128kB (M) [ 364.156172] cache_grow_begin+0x91/0x8c0 [ 364.161675] 3*256kB (M) [ 364.164366] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.168399] 4*512kB [ 364.171066] fallback_alloc+0x203/0x2e0 [ 364.175441] (UM) 3*1024kB [ 364.177782] ____cache_alloc_node+0x1c7/0x1e0 [ 364.181724] (UM) 3*2048kB [ 364.184586] kmem_cache_alloc_node+0xe3/0x730 [ 364.189057] (UM) [ 364.191901] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.196369] 3*4096kB (M) [ 364.198442] __alloc_skb+0x119/0x770 [ 364.202649] = 25180kB [ 364.205405] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.209093] Node 0 [ 364.211502] ? skb_scrub_packet+0x490/0x490 [ 364.216746] Normal: 960*4kB [ 364.218997] ? lock_downgrade+0x900/0x900 [ 364.223295] (MEH) [ 364.226327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.230437] 471*8kB [ 364.232582] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.238091] (UME) [ 364.240413] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.245845] 178*16kB [ 364.247989] ? addrconf_rs_timer+0x690/0x690 [ 364.253408] (ME) 44*32kB [ 364.255845] ndisc_alloc_skb+0x144/0x340 [ 364.260222] (UME) [ 364.262974] ndisc_send_rs+0x331/0x6e0 [ 364.267010] 1*64kB [ 364.269155] addrconf_rs_timer+0x314/0x690 [ 364.273013] (U) [ 364.275247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.279451] 0*128kB 0*256kB [ 364.281445] call_timer_fn+0x272/0x920 [ 364.285648] 2*512kB [ 364.288660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.292520] (U) 1*1024kB [ 364.294853] ? process_timeout+0x40/0x40 [ 364.299061] (U) [ 364.301818] ? find_held_lock+0x36/0x1c0 [ 364.305852] 0*2048kB 0*4096kB [ 364.307839] ? __run_timers+0x7da/0xc70 [ 364.311874] = 13976kB [ 364.315061] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.319014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.321417] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.325896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.334719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.339189] 2889 total pagecache pages [ 364.347765] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.351981] 0 pages in swap cache [ 364.355857] ? trace_hardirqs_on+0xbd/0x310 [ 364.360416] Swap cache stats: add 0, delete 0, find 0/0 [ 364.363866] ? kasan_check_read+0x11/0x20 [ 364.368160] Free swap = 0kB [ 364.373695] ? __run_timers+0x7da/0xc70 [ 364.377824] Total swap = 0kB [ 364.380841] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.384804] 1965979 pages RAM [ 364.387819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.393241] 0 pages HighMem/MovableOnly [ 364.393250] 342306 pages reserved [ 364.396360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.400567] 0 pages cma reserved [ 364.404539] __run_timers+0x7e5/0xc70 [ 364.408047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.412205] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.415606] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.419338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.425799] syz-executor1 cpuset= [ 364.431161] ? rcu_bh_qs+0xc0/0xc0 [ 364.441632] syz1 [ 364.446923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.450347] mems_allowed=0 [ 364.453884] ? check_preemption_disabled+0x48/0x200 [ 364.469304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.474088] ? retint_kernel+0x2d/0x2d [ 364.477982] ? trace_hardirqs_on_caller+0xc0/0x310 [ 364.482919] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.487685] ? trace_hardirqs_off+0x310/0x310 [ 364.492193] ? check_preemption_disabled+0x48/0x200 [ 364.497214] ? graph_lock+0x170/0x170 [ 364.501025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.506567] ? check_preemption_disabled+0x48/0x200 [ 364.511598] ? __lock_is_held+0xb5/0x140 [ 364.515667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.521206] ? check_preemption_disabled+0x48/0x200 [ 364.526233] run_timer_softirq+0x52/0xb0 [ 364.530302] ? rcu_read_lock_sched_held+0x108/0x120 [ 364.535330] __do_softirq+0x30b/0xad8 [ 364.539150] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.544266] ? pvclock_read_flags+0x160/0x160 [ 364.548777] ? lapic_next_event+0x5a/0x90 [ 364.552941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.558494] ? check_preemption_disabled+0x48/0x200 [ 364.563521] ? check_preemption_disabled+0x48/0x200 [ 364.568554] ? kvm_clock_read+0x18/0x30 [ 364.572537] ? kvm_sched_clock_read+0x9/0x20 [ 364.576954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.582508] ? check_preemption_disabled+0x48/0x200 [ 364.587555] irq_exit+0x17f/0x1c0 [ 364.591027] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.595892] ? smp_reschedule_interrupt+0x109/0x650 [ 364.600929] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.606838] ? interrupt_entry+0xb5/0xf0 [ 364.610920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.615943] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.620965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.625813] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.630831] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.635854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.641401] ? check_preemption_disabled+0x48/0x200 [ 364.646452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.652003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.656876] apic_timer_interrupt+0xf/0x20 [ 364.661109] [ 364.663353] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 364.668289] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 364.687197] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.694909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 364.702175] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 364.709443] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 364.716712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 364.723984] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 364.731342] skb_clone+0x1bb/0x500 [ 364.734889] ? finish_task_switch+0x2f5/0x900 [ 364.739391] ? skb_split+0x11e0/0x11e0 [ 364.743283] ? preempt_notifier_register+0x200/0x200 [ 364.748391] ? __switch_to_asm+0x34/0x70 [ 364.752454] ? __switch_to_asm+0x34/0x70 [ 364.756514] ? __switch_to_asm+0x40/0x70 [ 364.760574] ? __switch_to_asm+0x34/0x70 [ 364.764639] ? __switch_to_asm+0x40/0x70 [ 364.768700] ? __switch_to_asm+0x34/0x70 [ 364.772769] ? __switch_to_asm+0x40/0x70 [ 364.776832] ? __switch_to_asm+0x34/0x70 [ 364.780899] ? __switch_to_asm+0x34/0x70 [ 364.784960] ? __switch_to_asm+0x40/0x70 [ 364.789024] ? __switch_to_asm+0x34/0x70 [ 364.793099] bpf_clone_redirect+0xb9/0x490 [ 364.797344] ? __schedule+0x874/0x1ed0 [ 364.801242] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 364.806264] ? __sched_text_start+0x8/0x8 [ 364.810427] ? retint_kernel+0x2d/0x2d [ 364.814331] ? find_held_lock+0x36/0x1c0 [ 364.818407] ? lock_acquire+0x1ed/0x520 [ 364.822388] ? bpf_test_run+0x3cb/0x780 [ 364.826369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.831914] ? check_preemption_disabled+0x48/0x200 [ 364.837637] ? kasan_check_read+0x11/0x20 [ 364.841798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.847080] ? rcu_bh_qs+0xc0/0xc0 [ 364.850630] ? preempt_schedule+0x4d/0x60 [ 364.854795] ? ___preempt_schedule+0x16/0x18 [ 364.859215] ? bpf_test_run+0x25d/0x780 [ 364.863212] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.867628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.873255] ? bpf_test_init.isra.9+0x70/0x100 [ 364.877844] ? bpf_prog_test_run_skb+0x634/0xb40 [ 364.882611] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.887456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.893000] ? fput+0x130/0x1a0 [ 364.896288] ? __bpf_prog_get+0x9b/0x290 [ 364.900376] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.905220] ? bpf_prog_test_run+0x130/0x1a0 [ 364.909633] ? __x64_sys_bpf+0x3d8/0x510 [ 364.913696] ? bpf_prog_get+0x20/0x20 [ 364.917521] ? do_syscall_64+0x1b9/0x820 [ 364.921586] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.926956] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.931895] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.936923] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.941941] ? recalc_sigpending_tsk+0x180/0x180 [ 364.946700] ? kasan_check_write+0x14/0x20 [ 364.950947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.955802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.961188] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 364.961276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.968463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.968469] Call Trace: [ 364.968476] [ 364.968494] dump_stack+0x1c4/0x2b4 [ 364.968515] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.975056] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.984435] warn_alloc.cold.119+0xb7/0x1bd [ 364.986986] syz-executor2 cpuset= [ 364.989135] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.992740] syz2 [ 364.997935] ? lock_downgrade+0x900/0x900 [ 365.008408] mems_allowed=0 [ 365.012723] ? trace_hardirqs_off+0xb8/0x310 [ 365.034401] ? trace_hardirqs_off+0xb8/0x310 [ 365.038831] __alloc_pages_slowpath+0x2667/0x2d80 [ 365.043712] ? warn_alloc+0x120/0x120 [ 365.047520] ? warn_alloc+0x120/0x120 [ 365.051342] ? print_usage_bug+0xc0/0xc0 [ 365.055404] ? warn_alloc+0x120/0x120 [ 365.059206] ? print_usage_bug+0xc0/0xc0 [ 365.063269] ? __lock_acquire+0x7ec/0x4ec0 [ 365.067499] ? __lock_acquire+0x7ec/0x4ec0 [ 365.071738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.077283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.082827] ? should_fail+0x22d/0xd01 [ 365.086721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.091839] ? __lock_acquire+0x7ec/0x4ec0 [ 365.096082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.101185] ? __lock_acquire+0x7ec/0x4ec0 [ 365.105420] ? should_fail+0x22d/0xd01 [ 365.109317] ? mark_held_locks+0x130/0x130 [ 365.113559] ? mark_held_locks+0x130/0x130 [ 365.117797] ? graph_lock+0x170/0x170 [ 365.121609] ? print_usage_bug+0xc0/0xc0 [ 365.125671] ? graph_lock+0x170/0x170 [ 365.129476] ? print_usage_bug+0xc0/0xc0 [ 365.133539] ? wq_watchdog_touch+0x9c/0xfe [ 365.137785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.143331] ? check_preemption_disabled+0x48/0x200 [ 365.148349] ? check_preemption_disabled+0x48/0x200 [ 365.153392] ? __lock_is_held+0xb5/0x140 [ 365.157466] __alloc_pages_nodemask+0xa80/0xde0 [ 365.162138] ? graph_lock+0x170/0x170 [ 365.165946] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.170962] ? graph_lock+0x170/0x170 [ 365.174784] ? find_held_lock+0x36/0x1c0 [ 365.178862] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.183537] ? lock_downgrade+0x900/0x900 [ 365.187697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.193239] cache_grow_begin+0x91/0x8c0 [ 365.197309] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.201730] fallback_alloc+0x203/0x2e0 [ 365.205739] ____cache_alloc_node+0x1c7/0x1e0 [ 365.210249] kmem_cache_alloc_node+0xe3/0x730 [ 365.214748] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.219005] __alloc_skb+0x119/0x770 [ 365.222725] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.228014] ? skb_scrub_packet+0x490/0x490 [ 365.232338] ? lock_downgrade+0x900/0x900 [ 365.236499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.242037] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.247493] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.252945] ? addrconf_rs_timer+0x690/0x690 [ 365.257367] ndisc_alloc_skb+0x144/0x340 [ 365.261439] ndisc_send_rs+0x331/0x6e0 [ 365.265337] addrconf_rs_timer+0x314/0x690 [ 365.269584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.273840] call_timer_fn+0x272/0x920 [ 365.277729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.281976] ? process_timeout+0x40/0x40 [ 365.286036] ? find_held_lock+0x36/0x1c0 [ 365.290105] ? mark_held_locks+0xc7/0x130 [ 365.294261] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.298769] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.303267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.307503] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 365.312105] ? trace_hardirqs_on+0xbd/0x310 [ 365.316445] ? kasan_check_read+0x11/0x20 [ 365.320597] ? __run_timers+0x7da/0xc70 [ 365.324573] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.330034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.334275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.338509] __run_timers+0x7e5/0xc70 [ 365.342341] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 365.347708] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.352727] ? graph_lock+0x170/0x170 [ 365.356539] ? print_usage_bug+0xc0/0xc0 [ 365.360613] ? lock_release+0x970/0x970 [ 365.364619] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.369825] ? find_held_lock+0x36/0x1c0 [ 365.373896] ? graph_lock+0x170/0x170 [ 365.377700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.383252] ? check_preemption_disabled+0x48/0x200 [ 365.388279] ? __lock_is_held+0xb5/0x140 [ 365.392341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.397881] ? check_preemption_disabled+0x48/0x200 [ 365.402907] run_timer_softirq+0x52/0xb0 [ 365.406971] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.412008] __do_softirq+0x30b/0xad8 [ 365.415829] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.420943] ? pvclock_read_flags+0x160/0x160 [ 365.425439] ? lapic_next_event+0x5a/0x90 [ 365.429589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.435131] ? check_preemption_disabled+0x48/0x200 [ 365.440150] ? check_preemption_disabled+0x48/0x200 [ 365.445176] ? kvm_clock_read+0x18/0x30 [ 365.449180] ? kvm_sched_clock_read+0x9/0x20 [ 365.453610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.459164] ? check_preemption_disabled+0x48/0x200 [ 365.464209] irq_exit+0x17f/0x1c0 [ 365.467683] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.472545] ? smp_reschedule_interrupt+0x109/0x650 [ 365.477567] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.483460] ? interrupt_entry+0xb5/0xf0 [ 365.487525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.492541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.497563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.502425] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.507489] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.512508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.518049] ? check_preemption_disabled+0x48/0x200 [ 365.523065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.528615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.533469] apic_timer_interrupt+0xf/0x20 [ 365.537702] [ 365.539945] RIP: 0010:console_unlock+0xfdf/0x1160 [ 365.544791] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 365.563705] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 365.571422] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 365.578691] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 365.585958] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 365.593252] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 365.600531] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 365.607839] ? netconsole_netdev_event+0x280/0x280 [ 365.612789] ? console_unlock+0xfd6/0x1160 [ 365.617051] ? devkmsg_read+0xbb0/0xbb0 [ 365.621027] ? vprintk_emit+0x7f7/0x930 [ 365.625010] ? lock_release+0x970/0x970 [ 365.628992] ? trace_hardirqs_on+0x10/0x310 [ 365.633317] ? vprintk_default+0x28/0x30 [ 365.637394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.642856] ? kasan_check_write+0x14/0x20 [ 365.647095] ? do_raw_spin_lock+0xc1/0x200 [ 365.651339] vprintk_emit+0x33d/0x930 [ 365.655179] ? wake_up_klogd+0x180/0x180 [ 365.659255] ? find_held_lock+0x36/0x1c0 [ 365.663342] ? mark_held_locks+0xc7/0x130 [ 365.667503] vprintk_default+0x28/0x30 [ 365.671397] vprintk_func+0x7e/0x181 [ 365.675114] printk+0xa7/0xcf [ 365.678221] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 365.682983] ? kasan_check_write+0x14/0x20 [ 365.687238] ? do_raw_spin_lock+0xc1/0x200 [ 365.691504] show_free_areas.cold.120+0x1b8e/0x215d [ 365.696548] ? si_meminfo_node+0x260/0x260 [ 365.700836] ? __lock_acquire+0x7ec/0x4ec0 [ 365.705090] ? __lock_acquire+0x7ec/0x4ec0 [ 365.709346] ? __lock_acquire+0x7ec/0x4ec0 [ 365.713585] ? kasan_check_write+0x14/0x20 [ 365.717830] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 365.723653] ? mark_held_locks+0x130/0x130 [ 365.727894] ? mark_held_locks+0x130/0x130 [ 365.732136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.737680] ? graph_lock+0x170/0x170 [ 365.741489] ? put_dec+0x3b/0xf0 [ 365.744862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.750401] ? number+0x972/0xca0 [ 365.753864] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 365.758888] ? find_held_lock+0x36/0x1c0 [ 365.762963] ? serial8250_console_write+0x8b3/0xb10 [ 365.767983] ? lock_downgrade+0x900/0x900 [ 365.772136] ? graph_lock+0x170/0x170 [ 365.775939] ? graph_lock+0x170/0x170 [ 365.779745] ? print_usage_bug+0xc0/0xc0 [ 365.783825] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.788240] ? trace_hardirqs_on+0x310/0x310 [ 365.792652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.798369] ? wq_watchdog_touch+0x9c/0xfe [ 365.802609] ? io_serial_in+0x11/0x90 [ 365.806420] ? find_held_lock+0x36/0x1c0 [ 365.810491] ? mark_held_locks+0xc7/0x130 [ 365.814644] ? console_unlock+0xfaa/0x1160 [ 365.818884] ? console_unlock+0xfaa/0x1160 [ 365.823121] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.827728] ? vprintk_emit+0x33d/0x930 [ 365.831714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.837170] ? kasan_check_write+0x14/0x20 [ 365.841499] ? do_raw_spin_lock+0xc1/0x200 [ 365.845743] ? netconsole_netdev_event+0x280/0x280 [ 365.850687] ? console_unlock+0x9ba/0x1160 [ 365.854938] ? devkmsg_read+0xbb0/0xbb0 [ 365.858919] ? lock_release+0x970/0x970 [ 365.862900] ? preempt_count_add+0x7d/0x160 [ 365.867227] ? wake_up_klogd+0x11a/0x180 [ 365.871292] ? console_device+0xc0/0xc0 [ 365.875279] ? vprintk_emit+0x268/0x930 [ 365.879262] ? wake_up_klogd+0x180/0x180 [ 365.883329] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.888088] ? trace_hardirqs_off+0x310/0x310 [ 365.892589] ? retint_kernel+0x1b/0x2d [ 365.896479] ? trace_hardirqs_on+0x310/0x310 [ 365.900904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.905670] ? retint_kernel+0x2d/0x2d [ 365.909572] ? arch_local_irq_restore+0x45/0x52 [ 365.914251] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 365.919271] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 365.924039] ? show_mem+0x1e/0x17b [ 365.927606] show_mem+0x34/0x17b [ 365.930981] dump_header+0x2f1/0xf72 [ 365.934717] ? pagefault_out_of_memory+0x197/0x197 [ 365.939659] ? __lock_acquire+0x7ec/0x4ec0 [ 365.943902] ? print_usage_bug+0xc0/0xc0 [ 365.947971] ? graph_lock+0x170/0x170 [ 365.952166] ? print_usage_bug+0xc0/0xc0 [ 365.956226] ? print_usage_bug+0xc0/0xc0 [ 365.960301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.965849] ? find_held_lock+0x36/0x1c0 [ 365.969923] ? mark_held_locks+0xc7/0x130 [ 365.974078] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.979185] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.984292] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.988878] ? trace_hardirqs_on+0xbd/0x310 [ 365.993200] ? kasan_check_read+0x11/0x20 [ 365.997348] ? ___ratelimit+0x36f/0x655 [ 366.001324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.006786] ? trace_hardirqs_on+0x310/0x310 [ 366.011206] ? lock_downgrade+0x900/0x900 [ 366.015381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.020499] ? ___ratelimit+0xaa/0x655 [ 366.024388] ? idr_get_free+0xec0/0xec0 [ 366.028375] ? kasan_check_write+0x14/0x20 [ 366.032655] ? do_raw_spin_lock+0xc1/0x200 [ 366.036919] oom_kill_process.cold.27+0x10/0x903 [ 366.041682] ? graph_lock+0x170/0x170 [ 366.045492] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 366.051289] ? kasan_check_read+0x11/0x20 [ 366.055440] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.060723] ? oom_evaluate_task+0x540/0x540 [ 366.065144] ? find_held_lock+0x36/0x1c0 [ 366.069213] ? out_of_memory+0x974/0x1430 [ 366.073365] ? lock_downgrade+0x900/0x900 [ 366.077546] ? check_preemption_disabled+0x48/0x200 [ 366.082938] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 366.088746] ? kasan_check_read+0x11/0x20 [ 366.092913] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.098200] ? rcu_bh_qs+0xc0/0xc0 [ 366.101749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.107298] ? oom_evaluate_task+0x302/0x540 [ 366.111714] out_of_memory+0xa84/0x1430 [ 366.115699] ? oom_killer_disable+0x3a0/0x3a0 [ 366.120199] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 366.125163] ? __mutex_add_waiter+0x2a0/0x2a0 [ 366.129673] __alloc_pages_slowpath+0x2318/0x2d80 [ 366.134569] ? warn_alloc+0x120/0x120 [ 366.138379] ? trace_hardirqs_on+0x310/0x310 [ 366.142802] ? print_usage_bug+0xc0/0xc0 [ 366.146894] ? warn_alloc+0x120/0x120 [ 366.150705] ? print_usage_bug+0xc0/0xc0 [ 366.154791] ? print_usage_bug+0xc0/0xc0 [ 366.158857] ? free_one_page+0x1700/0x1700 [ 366.163096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.168651] ? should_fail+0x22d/0xd01 [ 366.172543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.177649] ? __lock_acquire+0x7ec/0x4ec0 [ 366.181924] ? __lock_is_held+0xb5/0x140 [ 366.185996] ? graph_lock+0x170/0x170 [ 366.189803] ? ___might_sleep+0x1ed/0x300 [ 366.193956] ? lock_release+0x970/0x970 [ 366.197932] ? arch_local_save_flags+0x40/0x40 [ 366.202526] ? __might_sleep+0x95/0x190 [ 366.206510] __alloc_pages_nodemask+0xa80/0xde0 [ 366.211198] ? graph_lock+0x170/0x170 [ 366.215004] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.220021] ? graph_lock+0x170/0x170 [ 366.223838] ? mark_held_locks+0xc7/0x130 [ 366.227985] ? find_held_lock+0x36/0x1c0 [ 366.232052] ? cache_grow_begin+0x5a4/0x8c0 [ 366.236375] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.240959] ? trace_hardirqs_on+0xbd/0x310 [ 366.245282] ? fallback_alloc+0x203/0x2e0 [ 366.249436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.254896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.260440] cache_grow_begin+0x91/0x8c0 [ 366.264506] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.268926] fallback_alloc+0x203/0x2e0 [ 366.272910] ____cache_alloc_node+0x1c7/0x1e0 [ 366.277416] kmem_cache_alloc_node_trace+0xe7/0x740 [ 366.282447] __kmalloc_node_track_caller+0x33/0x70 [ 366.287384] __kmalloc_reserve.isra.39+0x41/0xe0 [ 366.292149] __alloc_skb+0x155/0x770 [ 366.295870] ? skb_scrub_packet+0x490/0x490 [ 366.300198] ? if_nlmsg_size+0x5d1/0xbb0 [ 366.304264] ? nla_put_ifalias+0x170/0x170 [ 366.308515] ? sk_psock_stop_strp+0x120/0x120 [ 366.313009] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 366.318027] ? netif_tx_stop_all_queues+0xd9/0x110 [ 366.322963] rtmsg_ifinfo_build_skb+0x74/0x190 [ 366.327552] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 366.332402] rtmsg_ifinfo+0x8c/0xa0 [ 366.336042] dev_close_many+0x3be/0x860 [ 366.340034] ? netdev_master_upper_dev_link+0x50/0x50 [ 366.345236] ? find_held_lock+0x36/0x1c0 [ 366.349306] ? __queue_work+0x6be/0x1440 [ 366.353374] ? lock_downgrade+0x900/0x900 [ 366.357543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.363081] ? rtnl_is_locked+0xb5/0xf0 [ 366.367056] ? rtnl_trylock+0x20/0x20 [ 366.370859] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.375270] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 366.379860] rollback_registered_many+0x543/0x1210 [ 366.384835] ? generic_xdp_install+0x4c0/0x4c0 [ 366.389434] ? max_active_store+0x170/0x170 [ 366.393765] ? graph_lock+0x170/0x170 [ 366.397572] ? print_usage_bug+0xc0/0xc0 [ 366.401633] ? print_usage_bug+0xc0/0xc0 [ 366.405708] ? __debug_object_init+0x57d/0x1290 [ 366.410378] ? graph_lock+0x170/0x170 [ 366.414213] ? print_usage_bug+0xc0/0xc0 [ 366.418290] ? find_held_lock+0x36/0x1c0 [ 366.422363] ? mark_held_locks+0xc7/0x130 [ 366.426519] rollback_registered+0x1e9/0x420 [ 366.430932] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 366.435521] ? rollback_registered_many+0x1210/0x1210 [ 366.440714] ? trace_hardirqs_on+0xbd/0x310 [ 366.445038] ? linkwatch_schedule_work+0x150/0x170 [ 366.449970] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.455426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.460966] ? rtnl_is_locked+0xb5/0xf0 [ 366.464947] ? rtnl_trylock+0x20/0x20 [ 366.468762] ? queue_delayed_work_on+0x130/0x1f0 [ 366.473534] unregister_netdevice_queue+0x321/0x5e0 [ 366.478559] ? rollback_registered+0x420/0x420 [ 366.483144] ? linkwatch_schedule_work+0x170/0x170 [ 366.488076] ? tun_show_owner+0x170/0x170 [ 366.492230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.497778] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 366.503143] ? __tun_detach+0x6ba/0x15c0 [ 366.507213] __tun_detach+0x11b8/0x15c0 [ 366.511191] ? __call_rcu.constprop.69+0x429/0xbc0 [ 366.516145] ? tun_attach+0x1900/0x1900 [ 366.520122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.525668] ? check_preemption_disabled+0x48/0x200 [ 366.530698] ? graph_lock+0x170/0x170 [ 366.534504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.540047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.545605] ? locks_remove_file+0x3c6/0x5c0 [ 366.550019] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 366.555555] ? ima_file_free+0x132/0x650 [ 366.559623] ? __lock_is_held+0xb5/0x140 [ 366.563688] ? __tun_detach+0x15c0/0x15c0 [ 366.567847] ? __tun_detach+0x15c0/0x15c0 [ 366.571996] tun_chr_close+0xe3/0x180 [ 366.575806] __fput+0x385/0xa30 [ 366.579103] ? get_max_files+0x20/0x20 [ 366.582998] ? ___might_sleep+0x1ed/0x300 [ 366.587151] ? arch_local_save_flags+0x40/0x40 [ 366.591746] ____fput+0x15/0x20 [ 366.595052] task_work_run+0x1e8/0x2a0 [ 366.598944] ? task_work_cancel+0x240/0x240 [ 366.603274] ? switch_task_namespaces+0xb8/0xd0 [ 366.607953] do_exit+0x1ad7/0x2610 [ 366.611504] ? mm_update_next_owner+0x990/0x990 [ 366.616174] ? print_usage_bug+0xc0/0xc0 [ 366.620263] ? perf_trace_lock+0x14d/0x7a0 [ 366.624520] ? __lock_acquire+0x7ec/0x4ec0 [ 366.628785] ? find_held_lock+0x36/0x1c0 [ 366.632866] ? __lock_acquire+0x7ec/0x4ec0 [ 366.637102] ? mark_held_locks+0x130/0x130 [ 366.641344] ? lock_acquire+0x1ed/0x520 [ 366.645329] ? mark_held_locks+0x130/0x130 [ 366.649575] ? arch_local_save_flags+0x40/0x40 [ 366.654161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.659722] ? __mutex_lock+0x85e/0x1700 [ 366.663836] ? __switch_to_asm+0x40/0x70 [ 366.667899] ? __switch_to_asm+0x34/0x70 [ 366.671966] ? pipe_wait+0x266/0x2c0 [ 366.675692] ? mutex_trylock+0x2b0/0x2b0 [ 366.679785] ? graph_lock+0x170/0x170 [ 366.683591] ? find_held_lock+0x36/0x1c0 [ 366.687663] ? memset+0x31/0x40 [ 366.690963] ? find_held_lock+0x36/0x1c0 [ 366.695037] ? get_signal+0x95b/0x1980 [ 366.698929] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.703429] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.707935] do_group_exit+0x177/0x440 [ 366.711866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.717376] ? __ia32_sys_exit+0x50/0x50 [ 366.721451] get_signal+0x8b0/0x1980 [ 366.725179] ? ptrace_notify+0x130/0x130 [ 366.729259] ? finish_wait+0x430/0x430 [ 366.733164] ? graph_lock+0x170/0x170 [ 366.737024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.742567] ? pipe_read+0x702/0x940 [ 366.746284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.751841] do_signal+0x9c/0x21e0 [ 366.755384] ? __vfs_read+0x11f/0x9b0 [ 366.759193] ? vfs_copy_file_range+0xb90/0xb90 [ 366.763784] ? setup_sigcontext+0x7d0/0x7d0 [ 366.768126] ? exit_to_usermode_loop+0x8c/0x380 [ 366.772827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.778376] exit_to_usermode_loop+0x2e5/0x380 [ 366.782965] ? syscall_slow_exit_work+0x520/0x520 [ 366.787809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.793365] do_syscall_64+0x6be/0x820 [ 366.797294] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.802658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.807586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.812433] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.817457] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.822485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.827339] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.832530] RIP: 0033:0x410fa0 [ 366.835728] Code: Bad RIP value. [ 366.839097] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 366.846809] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 366.854080] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 366.861351] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 366.868667] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 366.875935] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 366.883231] warn_alloc_show_mem: 1 callbacks suppressed [ 366.883244] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 366.883246] Mem-Info: [ 366.883278] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 366.883278] active_file:8 inactive_file:19 isolated_file:0 [ 366.883278] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.883278] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 366.883278] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 366.883278] free:13766 free_pcp:526 free_cma:0 [ 366.888625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.895987] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.898385] Call Trace: [ 366.931339] Node 0 [ 366.940705] [ 366.968475] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.971041] dump_stack+0x1c4/0x2b4 [ 366.973239] lowmem_reserve[]: 0 [ 366.975396] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.000873] 2819 6323 [ 367.004523] warn_alloc.cold.119+0xb7/0x1bd [ 367.007772] 6323 [ 367.012960] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.019750] ? lock_downgrade+0x900/0x900 [ 367.021796] Node 0 [ 367.026636] ? trace_hardirqs_off+0xb8/0x310 [ 367.030787] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 367.033002] ? trace_hardirqs_off+0xb8/0x310 [ 367.037380] lowmem_reserve[]: 0 [ 367.065062] __alloc_pages_slowpath+0x2667/0x2d80 [ 367.069441] 0 [ 367.072740] ? warn_alloc+0x120/0x120 [ 367.077529] 3503 [ 367.079339] ? lock_release+0x970/0x970 [ 367.083123] 3503 [ 367.085204] ? warn_alloc+0x120/0x120 [ 367.089158] Node 0 [ 367.091221] ? print_usage_bug+0xc0/0xc0 [ 367.095023] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 367.097226] ? warn_alloc+0x120/0x120 [ 367.101258] lowmem_reserve[]: 0 [ 367.129829] ? print_usage_bug+0xc0/0xc0 [ 367.133607] 0 [ 367.136883] ? __lock_acquire+0x7ec/0x4ec0 [ 367.140919] 0 [ 367.142717] ? __lock_acquire+0x7ec/0x4ec0 [ 367.146923] 0 [ 367.148732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.152938] Node 0 [ 367.154740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.160260] DMA: [ 367.162498] ? should_fail+0x22d/0xd01 [ 367.168010] 1*4kB [ 367.170071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.173932] (U) [ 367.176076] ? __lock_acquire+0x7ec/0x4ec0 [ 367.181154] 0*8kB [ 367.183124] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.187326] 0*16kB 1*32kB [ 367.189493] ? __lock_acquire+0x7ec/0x4ec0 [ 367.194609] (U) [ 367.197452] ? should_fail+0x22d/0xd01 [ 367.201665] 2*64kB [ 367.203640] ? mark_held_locks+0x130/0x130 [ 367.207499] (U) [ 367.209729] ? mark_held_locks+0x130/0x130 [ 367.213937] 1*128kB [ 367.215909] ? graph_lock+0x170/0x170 [ 367.220118] (U) [ 367.222440] ? print_usage_bug+0xc0/0xc0 [ 367.226209] 1*256kB (U) [ 367.228187] ? graph_lock+0x170/0x170 [ 367.232228] 0*512kB [ 367.234895] ? print_usage_bug+0xc0/0xc0 [ 367.238676] 1*1024kB [ 367.240994] ? wq_watchdog_touch+0x9c/0xfe [ 367.245029] (U) [ 367.247441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.251646] 1*2048kB (M) [ 367.253628] ? check_preemption_disabled+0x48/0x200 [ 367.259137] 3*4096kB [ 367.261891] ? check_preemption_disabled+0x48/0x200 [ 367.266879] (M) [ 367.269296] ? __lock_is_held+0xb5/0x140 [ 367.274278] = 15908kB [ 367.276256] __alloc_pages_nodemask+0xa80/0xde0 [ 367.280287] Node 0 [ 367.282726] ? graph_lock+0x170/0x170 [ 367.287368] DMA32: 3*4kB [ 367.289610] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.293383] (M) [ 367.296139] ? graph_lock+0x170/0x170 [ 367.301220] 2*8kB [ 367.303200] ? find_held_lock+0x36/0x1c0 [ 367.306971] (UM) [ 367.309121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.313150] 2*16kB [ 367.315206] ? lock_downgrade+0x900/0x900 [ 367.319844] (M) 3*32kB [ 367.322090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.326244] (UM) [ 367.328828] cache_grow_begin+0x91/0x8c0 [ 367.334343] 5*64kB (UM) [ 367.336415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.340443] 3*128kB (M) [ 367.343121] fallback_alloc+0x203/0x2e0 [ 367.347494] 3*256kB (M) [ 367.350175] ____cache_alloc_node+0x1c7/0x1e0 [ 367.354119] 4*512kB [ 367.356810] kmem_cache_alloc_node+0xe3/0x730 [ 367.361282] (UM) [ 367.363607] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.368077] 3*1024kB [ 367.370146] __alloc_skb+0x119/0x770 [ 367.374345] (UM) [ 367.376762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.380449] 3*2048kB [ 367.382513] ? skb_scrub_packet+0x490/0x490 [ 367.387770] (UM) [ 367.390181] ? lock_downgrade+0x900/0x900 [ 367.394474] 3*4096kB (M) [ 367.396543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.400662] = 25180kB [ 367.403415] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.408926] Node 0 [ 367.411350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.416778] Normal: [ 367.419010] ? addrconf_rs_timer+0x690/0x690 [ 367.424433] 960*4kB [ 367.426770] ndisc_alloc_skb+0x144/0x340 [ 367.431144] (MEH) [ 367.433496] ndisc_send_rs+0x331/0x6e0 [ 367.437532] 471*8kB [ 367.439676] addrconf_rs_timer+0x314/0x690 [ 367.443538] (UME) [ 367.445878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.450086] 178*16kB [ 367.452239] call_timer_fn+0x272/0x920 [ 367.456439] (ME) [ 367.458900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.462774] 44*32kB [ 367.464842] ? process_timeout+0x40/0x40 [ 367.469049] (UME) [ 367.471368] ? find_held_lock+0x36/0x1c0 [ 367.475402] 1*64kB [ 367.477549] ? __run_timers+0x7da/0xc70 [ 367.481580] (U) [ 367.483815] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.487774] 0*128kB [ 367.489750] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.494226] 0*256kB [ 367.496543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.501043] 2*512kB (U) [ 367.503372] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.507578] 1*1024kB [ 367.510243] ? trace_hardirqs_on+0xbd/0x310 [ 367.514797] (U) [ 367.517204] ? kasan_check_read+0x11/0x20 [ 367.521508] 0*2048kB 0*4096kB [ 367.523490] ? __run_timers+0x7da/0xc70 [ 367.527612] = 13976kB [ 367.530799] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.534752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.537161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.542589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.551410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.555619] 2889 total pagecache pages [ 367.564194] __run_timers+0x7e5/0xc70 [ 367.568408] 0 pages in swap cache [ 367.572294] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.576065] Swap cache stats: add 0, delete 0, find 0/0 [ 367.579516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.584864] Free swap = 0kB [ 367.590232] ? rcu_bh_qs+0xc0/0xc0 [ 367.595496] Total swap = 0kB [ 367.595505] 1965979 pages RAM [ 367.598538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.602055] 0 pages HighMem/MovableOnly [ 367.605071] ? check_preemption_disabled+0x48/0x200 [ 367.608179] 342306 pages reserved [ 367.613714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.617657] 0 pages cma reserved [ 367.622671] ? retint_kernel+0x2d/0x2d [ 367.626195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.630838] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.630854] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.630869] ? trace_hardirqs_off+0x310/0x310 [ 367.630888] ? check_preemption_disabled+0x48/0x200 [ 367.634298] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.638112] ? graph_lock+0x170/0x170 [ 367.644579] syz-executor1 cpuset= [ 367.649509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.654236] syz1 [ 367.658730] ? check_preemption_disabled+0x48/0x200 [ 367.663724] mems_allowed=0 [ 367.674211] ? __lock_is_held+0xb5/0x140 [ 367.701236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.706792] ? check_preemption_disabled+0x48/0x200 [ 367.711819] run_timer_softirq+0x52/0xb0 [ 367.715887] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.720906] __do_softirq+0x30b/0xad8 [ 367.724734] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.729852] ? pvclock_read_flags+0x160/0x160 [ 367.734352] ? lapic_next_event+0x5a/0x90 [ 367.738503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.744042] ? check_preemption_disabled+0x48/0x200 [ 367.749062] ? check_preemption_disabled+0x48/0x200 [ 367.754085] ? kvm_clock_read+0x18/0x30 [ 367.758059] ? kvm_sched_clock_read+0x9/0x20 [ 367.762473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.768012] ? check_preemption_disabled+0x48/0x200 [ 367.773046] irq_exit+0x17f/0x1c0 [ 367.776506] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.781353] ? smp_reschedule_interrupt+0x109/0x650 [ 367.786372] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.792264] ? interrupt_entry+0xb5/0xf0 [ 367.796334] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.801354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.806375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.811219] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.816234] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.821251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.826796] ? check_preemption_disabled+0x48/0x200 [ 367.831813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.837371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.842228] apic_timer_interrupt+0xf/0x20 [ 367.846461] [ 367.848702] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 367.853649] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 367.872558] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.880270] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.887539] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 367.894811] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 367.902085] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 367.909352] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 367.916693] skb_clone+0x1bb/0x500 [ 367.920241] ? finish_task_switch+0x2f5/0x900 [ 367.924741] ? skb_split+0x11e0/0x11e0 [ 367.928650] ? preempt_notifier_register+0x200/0x200 [ 367.933765] ? __switch_to_asm+0x34/0x70 [ 367.937838] ? __switch_to_asm+0x34/0x70 [ 367.941908] ? __switch_to_asm+0x40/0x70 [ 367.945976] ? __switch_to_asm+0x34/0x70 [ 367.950374] ? __switch_to_asm+0x40/0x70 [ 367.954437] ? __switch_to_asm+0x34/0x70 [ 367.958498] ? __switch_to_asm+0x40/0x70 [ 367.962560] ? __switch_to_asm+0x34/0x70 [ 367.966643] ? __switch_to_asm+0x34/0x70 [ 367.970704] ? __switch_to_asm+0x40/0x70 [ 367.974774] ? __switch_to_asm+0x34/0x70 [ 367.978856] bpf_clone_redirect+0xb9/0x490 [ 367.983098] ? __schedule+0x874/0x1ed0 [ 367.986995] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 367.992014] ? __sched_text_start+0x8/0x8 [ 367.996169] ? retint_kernel+0x2d/0x2d [ 368.000071] ? find_held_lock+0x36/0x1c0 [ 368.004144] ? lock_acquire+0x1ed/0x520 [ 368.008121] ? bpf_test_run+0x3cb/0x780 [ 368.012135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.017693] ? check_preemption_disabled+0x48/0x200 [ 368.022720] ? kasan_check_read+0x11/0x20 [ 368.026880] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.032161] ? rcu_bh_qs+0xc0/0xc0 [ 368.035709] ? preempt_schedule+0x4d/0x60 [ 368.039869] ? ___preempt_schedule+0x16/0x18 [ 368.044290] ? bpf_test_run+0x25d/0x780 [ 368.048286] ? netlink_diag_dump+0x2a0/0x2a0 [ 368.052700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.058240] ? bpf_test_init.isra.9+0x70/0x100 [ 368.062835] ? bpf_prog_test_run_skb+0x634/0xb40 [ 368.067601] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 368.072447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.077988] ? fput+0x130/0x1a0 [ 368.081752] ? __bpf_prog_get+0x9b/0x290 [ 368.085833] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 368.090676] ? bpf_prog_test_run+0x130/0x1a0 [ 368.095091] ? __x64_sys_bpf+0x3d8/0x510 [ 368.099156] ? bpf_prog_get+0x20/0x20 [ 368.102981] ? do_syscall_64+0x1b9/0x820 [ 368.107046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 368.112416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.117352] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.122373] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 368.127402] ? recalc_sigpending_tsk+0x180/0x180 [ 368.132207] ? kasan_check_write+0x14/0x20 [ 368.136451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.141306] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.146699] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 368.146819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.153993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.154002] Call Trace: [ 368.160581] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.169844] [ 368.172411] syz-executor2 cpuset= [ 368.182890] dump_stack+0x1c4/0x2b4 [ 368.185013] syz2 [ 368.188464] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.192082] mems_allowed=0 [ 368.194060] warn_alloc.cold.119+0xb7/0x1bd [ 368.206455] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.211304] ? lock_downgrade+0x900/0x900 [ 368.215463] ? trace_hardirqs_off+0xb8/0x310 [ 368.219884] ? trace_hardirqs_off+0xb8/0x310 [ 368.224308] __alloc_pages_slowpath+0x2667/0x2d80 [ 368.229183] ? warn_alloc+0x120/0x120 [ 368.232994] ? warn_alloc+0x120/0x120 [ 368.236806] ? print_usage_bug+0xc0/0xc0 [ 368.240873] ? warn_alloc+0x120/0x120 [ 368.244675] ? print_usage_bug+0xc0/0xc0 [ 368.248740] ? __lock_acquire+0x7ec/0x4ec0 [ 368.252981] ? __lock_acquire+0x7ec/0x4ec0 [ 368.257221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.262767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.268308] ? should_fail+0x22d/0xd01 [ 368.272206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.277312] ? __lock_acquire+0x7ec/0x4ec0 [ 368.281552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.286656] ? __lock_acquire+0x7ec/0x4ec0 [ 368.290891] ? should_fail+0x22d/0xd01 [ 368.294796] ? mark_held_locks+0x130/0x130 [ 368.299040] ? mark_held_locks+0x130/0x130 [ 368.303280] ? graph_lock+0x170/0x170 [ 368.307088] ? print_usage_bug+0xc0/0xc0 [ 368.311179] ? graph_lock+0x170/0x170 [ 368.314997] ? print_usage_bug+0xc0/0xc0 [ 368.319060] ? wq_watchdog_touch+0x9c/0xfe [ 368.323299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.328848] ? check_preemption_disabled+0x48/0x200 [ 368.333868] ? check_preemption_disabled+0x48/0x200 [ 368.338957] ? __lock_is_held+0xb5/0x140 [ 368.343028] __alloc_pages_nodemask+0xa80/0xde0 [ 368.347699] ? graph_lock+0x170/0x170 [ 368.351505] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.356544] ? graph_lock+0x170/0x170 [ 368.360357] ? find_held_lock+0x36/0x1c0 [ 368.364430] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.369117] ? lock_downgrade+0x900/0x900 [ 368.373278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.378844] cache_grow_begin+0x91/0x8c0 [ 368.382913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.387335] fallback_alloc+0x203/0x2e0 [ 368.391323] ____cache_alloc_node+0x1c7/0x1e0 [ 368.395834] kmem_cache_alloc_node+0xe3/0x730 [ 368.400334] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.404581] __alloc_skb+0x119/0x770 [ 368.408298] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.413579] ? skb_scrub_packet+0x490/0x490 [ 368.417906] ? lock_downgrade+0x900/0x900 [ 368.422065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.427636] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.433093] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.438547] ? addrconf_rs_timer+0x690/0x690 [ 368.442969] ndisc_alloc_skb+0x144/0x340 [ 368.447039] ndisc_send_rs+0x331/0x6e0 [ 368.450936] addrconf_rs_timer+0x314/0x690 [ 368.455183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.459435] call_timer_fn+0x272/0x920 [ 368.463324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.467562] ? process_timeout+0x40/0x40 [ 368.471624] ? find_held_lock+0x36/0x1c0 [ 368.475698] ? mark_held_locks+0xc7/0x130 [ 368.479857] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.484360] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.488861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.493101] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 368.497686] ? trace_hardirqs_on+0xbd/0x310 [ 368.502009] ? kasan_check_read+0x11/0x20 [ 368.506180] ? __run_timers+0x7da/0xc70 [ 368.510162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.515618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.519860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.524098] __run_timers+0x7e5/0xc70 [ 368.527918] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 368.533294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.538314] ? graph_lock+0x170/0x170 [ 368.542124] ? print_usage_bug+0xc0/0xc0 [ 368.546184] ? lock_release+0x970/0x970 [ 368.550161] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.555359] ? find_held_lock+0x36/0x1c0 [ 368.559427] ? graph_lock+0x170/0x170 [ 368.563239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.568786] ? check_preemption_disabled+0x48/0x200 [ 368.573821] ? __lock_is_held+0xb5/0x140 [ 368.577898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.583443] ? check_preemption_disabled+0x48/0x200 [ 368.588470] run_timer_softirq+0x52/0xb0 [ 368.592542] ? rcu_read_lock_sched_held+0x108/0x120 [ 368.597908] __do_softirq+0x30b/0xad8 [ 368.601726] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 368.606848] ? pvclock_read_flags+0x160/0x160 [ 368.611347] ? lapic_next_event+0x5a/0x90 [ 368.615503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.621077] ? check_preemption_disabled+0x48/0x200 [ 368.626109] ? check_preemption_disabled+0x48/0x200 [ 368.631135] ? kvm_clock_read+0x18/0x30 [ 368.635110] ? kvm_sched_clock_read+0x9/0x20 [ 368.639526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.645070] ? check_preemption_disabled+0x48/0x200 [ 368.650105] irq_exit+0x17f/0x1c0 [ 368.653564] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.658408] ? smp_reschedule_interrupt+0x109/0x650 [ 368.663428] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.669320] ? interrupt_entry+0xb5/0xf0 [ 368.673386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.678412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.683431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.688276] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.693292] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.698311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.703858] ? check_preemption_disabled+0x48/0x200 [ 368.708894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.714441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.719294] apic_timer_interrupt+0xf/0x20 [ 368.723524] [ 368.725791] RIP: 0010:console_unlock+0xfdf/0x1160 [ 368.730669] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 368.749579] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 368.757295] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 368.764566] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 368.771842] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 368.779112] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 368.786382] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 368.793669] ? netconsole_netdev_event+0x280/0x280 [ 368.798612] ? console_unlock+0xfd6/0x1160 [ 368.802878] ? devkmsg_read+0xbb0/0xbb0 [ 368.806856] ? vprintk_emit+0x7f7/0x930 [ 368.810843] ? lock_release+0x970/0x970 [ 368.814828] ? trace_hardirqs_on+0x10/0x310 [ 368.819157] ? vprintk_default+0x28/0x30 [ 368.823221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.828677] ? kasan_check_write+0x14/0x20 [ 368.832917] ? do_raw_spin_lock+0xc1/0x200 [ 368.837167] vprintk_emit+0x33d/0x930 [ 368.840978] ? wake_up_klogd+0x180/0x180 [ 368.845063] ? find_held_lock+0x36/0x1c0 [ 368.849134] ? mark_held_locks+0xc7/0x130 [ 368.853292] vprintk_default+0x28/0x30 [ 368.857188] vprintk_func+0x7e/0x181 [ 368.860903] printk+0xa7/0xcf [ 368.864009] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 368.868782] ? kasan_check_write+0x14/0x20 [ 368.873024] ? do_raw_spin_lock+0xc1/0x200 [ 368.877273] show_free_areas.cold.120+0x1b8e/0x215d [ 368.882316] ? si_meminfo_node+0x260/0x260 [ 368.886554] ? __lock_acquire+0x7ec/0x4ec0 [ 368.890799] ? __lock_acquire+0x7ec/0x4ec0 [ 368.895044] ? __lock_acquire+0x7ec/0x4ec0 [ 368.899287] ? kasan_check_write+0x14/0x20 [ 368.903527] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 368.909346] ? mark_held_locks+0x130/0x130 [ 368.913582] ? mark_held_locks+0x130/0x130 [ 368.917828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.923370] ? graph_lock+0x170/0x170 [ 368.927175] ? put_dec+0x3b/0xf0 [ 368.930549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.936088] ? number+0x972/0xca0 [ 368.939574] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 368.944597] ? find_held_lock+0x36/0x1c0 [ 368.948675] ? serial8250_console_write+0x8b3/0xb10 [ 368.953692] ? lock_downgrade+0x900/0x900 [ 368.957847] ? graph_lock+0x170/0x170 [ 368.961669] ? graph_lock+0x170/0x170 [ 368.965473] ? print_usage_bug+0xc0/0xc0 [ 368.969538] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.973950] ? trace_hardirqs_on+0x310/0x310 [ 368.978361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.983901] ? wq_watchdog_touch+0x9c/0xfe [ 368.988142] ? io_serial_in+0x11/0x90 [ 368.991952] ? find_held_lock+0x36/0x1c0 [ 368.996025] ? mark_held_locks+0xc7/0x130 [ 369.000182] ? console_unlock+0xfaa/0x1160 [ 369.004417] ? console_unlock+0xfaa/0x1160 [ 369.008657] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.013250] ? vprintk_emit+0x33d/0x930 [ 369.017230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.022683] ? kasan_check_write+0x14/0x20 [ 369.026921] ? do_raw_spin_lock+0xc1/0x200 [ 369.031167] ? netconsole_netdev_event+0x280/0x280 [ 369.036100] ? console_unlock+0x9ba/0x1160 [ 369.040348] ? devkmsg_read+0xbb0/0xbb0 [ 369.044326] ? lock_release+0x970/0x970 [ 369.048304] ? preempt_count_add+0x7d/0x160 [ 369.052642] ? wake_up_klogd+0x11a/0x180 [ 369.056709] ? console_device+0xc0/0xc0 [ 369.060697] ? vprintk_emit+0x268/0x930 [ 369.064682] ? wake_up_klogd+0x180/0x180 [ 369.068747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.073514] ? trace_hardirqs_off+0x310/0x310 [ 369.078045] ? retint_kernel+0x1b/0x2d [ 369.081943] ? trace_hardirqs_on+0x310/0x310 [ 369.086366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.091135] ? retint_kernel+0x2d/0x2d [ 369.095040] ? arch_local_irq_restore+0x45/0x52 [ 369.099716] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 369.104732] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 369.109502] ? show_mem+0x1e/0x17b [ 369.113051] show_mem+0x34/0x17b [ 369.116426] dump_header+0x2f1/0xf72 [ 369.120155] ? pagefault_out_of_memory+0x197/0x197 [ 369.125095] ? __lock_acquire+0x7ec/0x4ec0 [ 369.129341] ? print_usage_bug+0xc0/0xc0 [ 369.133410] ? graph_lock+0x170/0x170 [ 369.137212] ? print_usage_bug+0xc0/0xc0 [ 369.141276] ? print_usage_bug+0xc0/0xc0 [ 369.145348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.150895] ? find_held_lock+0x36/0x1c0 [ 369.154966] ? mark_held_locks+0xc7/0x130 [ 369.159125] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.164235] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.169337] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.173925] ? trace_hardirqs_on+0xbd/0x310 [ 369.178247] ? kasan_check_read+0x11/0x20 [ 369.182396] ? ___ratelimit+0x36f/0x655 [ 369.186385] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.191845] ? trace_hardirqs_on+0x310/0x310 [ 369.196257] ? lock_downgrade+0x900/0x900 [ 369.200419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.205524] ? ___ratelimit+0xaa/0x655 [ 369.209415] ? idr_get_free+0xec0/0xec0 [ 369.213397] ? kasan_check_write+0x14/0x20 [ 369.217634] ? do_raw_spin_lock+0xc1/0x200 [ 369.221879] oom_kill_process.cold.27+0x10/0x903 [ 369.226652] ? graph_lock+0x170/0x170 [ 369.230464] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 369.236268] ? kasan_check_read+0x11/0x20 [ 369.240424] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.245707] ? oom_evaluate_task+0x540/0x540 [ 369.250122] ? find_held_lock+0x36/0x1c0 [ 369.254194] ? out_of_memory+0x974/0x1430 [ 369.258344] ? lock_downgrade+0x900/0x900 [ 369.262494] ? check_preemption_disabled+0x48/0x200 [ 369.267523] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 369.273320] ? kasan_check_read+0x11/0x20 [ 369.277471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.282751] ? rcu_bh_qs+0xc0/0xc0 [ 369.286312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.291854] ? oom_evaluate_task+0x302/0x540 [ 369.296271] out_of_memory+0xa84/0x1430 [ 369.300262] ? oom_killer_disable+0x3a0/0x3a0 [ 369.304768] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 369.309704] ? __mutex_add_waiter+0x2a0/0x2a0 [ 369.314215] __alloc_pages_slowpath+0x2318/0x2d80 [ 369.319094] ? warn_alloc+0x120/0x120 [ 369.322906] ? trace_hardirqs_on+0x310/0x310 [ 369.327331] ? print_usage_bug+0xc0/0xc0 [ 369.331404] ? warn_alloc+0x120/0x120 [ 369.335208] ? print_usage_bug+0xc0/0xc0 [ 369.339275] ? print_usage_bug+0xc0/0xc0 [ 369.343340] ? free_one_page+0x1700/0x1700 [ 369.347582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.353126] ? should_fail+0x22d/0xd01 [ 369.357023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.362126] ? __lock_acquire+0x7ec/0x4ec0 [ 369.366391] ? __lock_is_held+0xb5/0x140 [ 369.370464] ? graph_lock+0x170/0x170 [ 369.374277] ? ___might_sleep+0x1ed/0x300 [ 369.378423] ? lock_release+0x970/0x970 [ 369.382400] ? arch_local_save_flags+0x40/0x40 [ 369.386996] ? __might_sleep+0x95/0x190 [ 369.390982] __alloc_pages_nodemask+0xa80/0xde0 [ 369.395661] ? graph_lock+0x170/0x170 [ 369.399470] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.404487] ? graph_lock+0x170/0x170 [ 369.408301] ? mark_held_locks+0xc7/0x130 [ 369.412451] ? find_held_lock+0x36/0x1c0 [ 369.416521] ? cache_grow_begin+0x5a4/0x8c0 [ 369.420847] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.425432] ? trace_hardirqs_on+0xbd/0x310 [ 369.429764] ? fallback_alloc+0x203/0x2e0 [ 369.433921] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.439393] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.444947] cache_grow_begin+0x91/0x8c0 [ 369.449017] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.453442] fallback_alloc+0x203/0x2e0 [ 369.457429] ____cache_alloc_node+0x1c7/0x1e0 [ 369.461933] kmem_cache_alloc_node_trace+0xe7/0x740 [ 369.466971] __kmalloc_node_track_caller+0x33/0x70 [ 369.471910] __kmalloc_reserve.isra.39+0x41/0xe0 [ 369.476672] __alloc_skb+0x155/0x770 [ 369.480398] ? skb_scrub_packet+0x490/0x490 [ 369.484727] ? if_nlmsg_size+0x5d1/0xbb0 [ 369.488804] ? nla_put_ifalias+0x170/0x170 [ 369.493059] ? sk_psock_stop_strp+0x120/0x120 [ 369.497560] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 369.502579] ? netif_tx_stop_all_queues+0xd9/0x110 [ 369.507519] rtmsg_ifinfo_build_skb+0x74/0x190 [ 369.512111] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 369.516964] rtmsg_ifinfo+0x8c/0xa0 [ 369.520614] dev_close_many+0x3be/0x860 [ 369.524609] ? netdev_master_upper_dev_link+0x50/0x50 [ 369.529806] ? find_held_lock+0x36/0x1c0 [ 369.533908] ? __queue_work+0x6be/0x1440 [ 369.537973] ? lock_downgrade+0x900/0x900 [ 369.542134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.547674] ? rtnl_is_locked+0xb5/0xf0 [ 369.551653] ? rtnl_trylock+0x20/0x20 [ 369.555457] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.559871] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 369.564465] rollback_registered_many+0x543/0x1210 [ 369.569412] ? generic_xdp_install+0x4c0/0x4c0 [ 369.574009] ? max_active_store+0x170/0x170 [ 369.578337] ? graph_lock+0x170/0x170 [ 369.582142] ? print_usage_bug+0xc0/0xc0 [ 369.586210] ? print_usage_bug+0xc0/0xc0 [ 369.590273] ? __debug_object_init+0x57d/0x1290 [ 369.594949] ? graph_lock+0x170/0x170 [ 369.598752] ? print_usage_bug+0xc0/0xc0 [ 369.602832] ? find_held_lock+0x36/0x1c0 [ 369.606912] ? mark_held_locks+0xc7/0x130 [ 369.611083] rollback_registered+0x1e9/0x420 [ 369.615491] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 369.620072] ? rollback_registered_many+0x1210/0x1210 [ 369.625268] ? trace_hardirqs_on+0xbd/0x310 [ 369.629600] ? linkwatch_schedule_work+0x150/0x170 [ 369.634538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.640004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.645550] ? rtnl_is_locked+0xb5/0xf0 [ 369.649530] ? rtnl_trylock+0x20/0x20 [ 369.653335] ? queue_delayed_work_on+0x130/0x1f0 [ 369.658100] unregister_netdevice_queue+0x321/0x5e0 [ 369.663123] ? rollback_registered+0x420/0x420 [ 369.667713] ? linkwatch_schedule_work+0x170/0x170 [ 369.672650] ? tun_show_owner+0x170/0x170 [ 369.676803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.682357] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 369.687726] ? __tun_detach+0x6ba/0x15c0 [ 369.691807] __tun_detach+0x11b8/0x15c0 [ 369.695798] ? __call_rcu.constprop.69+0x429/0xbc0 [ 369.700744] ? tun_attach+0x1900/0x1900 [ 369.704737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.710290] ? check_preemption_disabled+0x48/0x200 [ 369.715318] ? graph_lock+0x170/0x170 [ 369.719123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.724665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.730206] ? locks_remove_file+0x3c6/0x5c0 [ 369.734618] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 369.740156] ? ima_file_free+0x132/0x650 [ 369.744226] ? __lock_is_held+0xb5/0x140 [ 369.748297] ? __tun_detach+0x15c0/0x15c0 [ 369.752450] ? __tun_detach+0x15c0/0x15c0 [ 369.756598] tun_chr_close+0xe3/0x180 [ 369.760405] __fput+0x385/0xa30 [ 369.763697] ? get_max_files+0x20/0x20 [ 369.767595] ? ___might_sleep+0x1ed/0x300 [ 369.771747] ? arch_local_save_flags+0x40/0x40 [ 369.776351] ____fput+0x15/0x20 [ 369.779639] task_work_run+0x1e8/0x2a0 [ 369.783539] ? task_work_cancel+0x240/0x240 [ 369.787868] ? switch_task_namespaces+0xb8/0xd0 [ 369.792546] do_exit+0x1ad7/0x2610 [ 369.796098] ? mm_update_next_owner+0x990/0x990 [ 369.800777] ? print_usage_bug+0xc0/0xc0 [ 369.804847] ? perf_trace_lock+0x14d/0x7a0 [ 369.809094] ? __lock_acquire+0x7ec/0x4ec0 [ 369.813330] ? find_held_lock+0x36/0x1c0 [ 369.817405] ? __lock_acquire+0x7ec/0x4ec0 [ 369.821640] ? mark_held_locks+0x130/0x130 [ 369.825886] ? lock_acquire+0x1ed/0x520 [ 369.829875] ? mark_held_locks+0x130/0x130 [ 369.834112] ? arch_local_save_flags+0x40/0x40 [ 369.838702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.844264] ? __mutex_lock+0x85e/0x1700 [ 369.848329] ? __switch_to_asm+0x40/0x70 [ 369.852391] ? __switch_to_asm+0x34/0x70 [ 369.856455] ? pipe_wait+0x266/0x2c0 [ 369.860184] ? mutex_trylock+0x2b0/0x2b0 [ 369.864258] ? graph_lock+0x170/0x170 [ 369.868074] ? find_held_lock+0x36/0x1c0 [ 369.872145] ? memset+0x31/0x40 [ 369.875435] ? find_held_lock+0x36/0x1c0 [ 369.879508] ? get_signal+0x95b/0x1980 [ 369.883404] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.887904] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.892413] do_group_exit+0x177/0x440 [ 369.896308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.901772] ? __ia32_sys_exit+0x50/0x50 [ 369.905858] get_signal+0x8b0/0x1980 [ 369.909593] ? ptrace_notify+0x130/0x130 [ 369.913661] ? finish_wait+0x430/0x430 [ 369.917554] ? graph_lock+0x170/0x170 [ 369.921367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.926908] ? pipe_read+0x702/0x940 [ 369.930626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.936179] do_signal+0x9c/0x21e0 [ 369.939729] ? __vfs_read+0x11f/0x9b0 [ 369.943548] ? vfs_copy_file_range+0xb90/0xb90 [ 369.948136] ? setup_sigcontext+0x7d0/0x7d0 [ 369.952883] ? exit_to_usermode_loop+0x8c/0x380 [ 369.957576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.963126] exit_to_usermode_loop+0x2e5/0x380 [ 369.967717] ? syscall_slow_exit_work+0x520/0x520 [ 369.972561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.978112] do_syscall_64+0x6be/0x820 [ 369.982006] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.987373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.992303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.997151] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.002177] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.007204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.012062] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.017255] RIP: 0033:0x410fa0 [ 370.020456] Code: Bad RIP value. [ 370.023819] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 370.031534] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 370.038806] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 370.046086] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 370.053354] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 370.060623] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 370.067924] warn_alloc_show_mem: 1 callbacks suppressed [ 370.067936] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 370.067939] Mem-Info: [ 370.067971] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 370.067971] active_file:8 inactive_file:19 isolated_file:0 [ 370.067971] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.067971] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 370.067971] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 370.067971] free:13766 free_pcp:526 free_cma:0 [ 370.073313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.080675] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.083587] Call Trace: [ 370.116545] Node 0 [ 370.125895] [ 370.153678] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.156243] dump_stack+0x1c4/0x2b4 [ 370.158444] lowmem_reserve[]: 0 [ 370.160614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.186092] 2819 [ 370.189732] warn_alloc.cold.119+0xb7/0x1bd [ 370.192968] 6323 6323 [ 370.198189] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.200232] Node 0 [ 370.204552] ? lock_downgrade+0x900/0x900 [ 370.207054] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 370.211889] ? trace_hardirqs_off+0xb8/0x310 [ 370.214091] lowmem_reserve[]: 0 [ 370.218259] ? trace_hardirqs_off+0xb8/0x310 [ 370.245396] 0 3503 [ 370.249817] __alloc_pages_slowpath+0x2667/0x2d80 [ 370.253059] 3503 [ 370.257495] ? warn_alloc+0x120/0x120 [ 370.259680] Node 0 [ 370.264520] ? trace_hardirqs_on+0x310/0x310 [ 370.266609] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 370.270378] ? warn_alloc+0x120/0x120 [ 370.272609] lowmem_reserve[]: [ 370.277019] ? print_usage_bug+0xc0/0xc0 [ 370.305533] 0 0 [ 370.309350] ? warn_alloc+0x120/0x120 [ 370.312424] 0 [ 370.316482] ? ktime_get+0x2e1/0x440 [ 370.318437] 0 [ 370.322233] ? print_usage_bug+0xc0/0xc0 [ 370.324013] Node 0 [ 370.327743] ? __lock_acquire+0x7ec/0x4ec0 [ 370.329534] DMA: [ 370.333589] ? __lock_acquire+0x7ec/0x4ec0 [ 370.335805] 1*4kB [ 370.340040] ? kasan_check_read+0x11/0x20 [ 370.342077] (U) [ 370.346309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.348436] 0*8kB [ 370.352581] ? should_fail+0x22d/0xd01 [ 370.354529] 0*16kB 1*32kB [ 370.360077] ? rcu_bh_qs+0xc0/0xc0 [ 370.362201] (U) [ 370.366084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.368899] 2*64kB (U) [ 370.372440] ? __lock_acquire+0x7ec/0x4ec0 [ 370.374390] 1*128kB (U) [ 370.379499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.382053] 1*256kB (U) [ 370.386289] ? __lock_acquire+0x7ec/0x4ec0 [ 370.388938] 0*512kB [ 370.394045] ? should_fail+0x22d/0xd01 [ 370.396695] 1*1024kB [ 370.400924] ? rcu_idle_enter+0x4b0/0x4b0 [ 370.403219] (U) [ 370.407101] ? mark_held_locks+0x130/0x130 [ 370.409478] 1*2048kB (M) [ 370.413632] ? mark_held_locks+0x130/0x130 [ 370.415578] 3*4096kB (M) [ 370.419814] ? mark_held_locks+0xc7/0x130 [ 370.422555] = 15908kB [ 370.426795] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 370.429546] Node 0 [ 370.433684] ? graph_lock+0x170/0x170 [ 370.436072] DMA32: [ 370.441079] ? print_usage_bug+0xc0/0xc0 [ 370.443297] 3*4kB [ 370.447093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.449305] (M) [ 370.453366] ? check_preemption_disabled+0x48/0x200 [ 370.455486] 2*8kB (UM) [ 370.461026] ? check_preemption_disabled+0x48/0x200 [ 370.462973] 2*16kB (M) [ 370.468000] ? __lock_is_held+0xb5/0x140 [ 370.470549] 3*32kB (UM) [ 370.475570] __alloc_pages_nodemask+0xa80/0xde0 [ 370.478120] 5*64kB (UM) [ 370.482185] ? graph_lock+0x170/0x170 [ 370.484835] 3*128kB (M) [ 370.489510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.492155] 3*256kB (M) [ 370.495960] ? graph_lock+0x170/0x170 [ 370.498611] 4*512kB [ 370.503630] ? find_held_lock+0x36/0x1c0 [ 370.506264] (UM) 3*1024kB [ 370.510072] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.512385] (UM) [ 370.516440] ? lock_downgrade+0x900/0x900 [ 370.519264] 3*2048kB [ 370.523930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.526006] (UM) [ 370.530161] cache_grow_begin+0x91/0x8c0 [ 370.532540] 3*4096kB (M) [ 370.538085] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.540123] = 25180kB [ 370.544179] fallback_alloc+0x203/0x2e0 [ 370.546909] Node 0 [ 370.551316] ____cache_alloc_node+0x1c7/0x1e0 [ 370.553695] Normal: 960*4kB [ 370.557672] kmem_cache_alloc_node+0xe3/0x730 [ 370.559885] (MEH) [ 370.564390] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.567377] 471*8kB (UME) [ 370.571883] __alloc_skb+0x119/0x770 [ 370.573996] 178*16kB (ME) [ 370.578234] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.581044] 44*32kB (UME) [ 370.584772] ? skb_scrub_packet+0x490/0x490 [ 370.587584] 1*64kB (U) [ 370.592868] ? lock_downgrade+0x900/0x900 [ 370.595680] 0*128kB 0*256kB [ 370.600008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.602561] 2*512kB (U) [ 370.606717] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.609708] 1*1024kB [ 370.615240] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.617885] (U) [ 370.623337] ? addrconf_rs_timer+0x690/0x690 [ 370.625715] 0*2048kB 0*4096kB [ 370.631175] ndisc_alloc_skb+0x144/0x340 [ 370.633120] = 13976kB [ 370.637524] ndisc_send_rs+0x331/0x6e0 [ 370.640698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.644753] addrconf_rs_timer+0x314/0x690 [ 370.647150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.651028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.659840] 2889 total pagecache pages [ 370.664083] call_timer_fn+0x272/0x920 [ 370.672664] 0 pages in swap cache [ 370.676888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.680747] Swap cache stats: add 0, delete 0, find 0/0 [ 370.680764] Free swap = 0kB [ 370.684650] ? process_timeout+0x40/0x40 [ 370.688071] Total swap = 0kB [ 370.688079] 1965979 pages RAM [ 370.692303] ? find_held_lock+0x36/0x1c0 [ 370.692333] ? __run_timers+0x7da/0xc70 [ 370.697658] 0 pages HighMem/MovableOnly [ 370.697667] 342306 pages reserved [ 370.700687] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.704719] 0 pages cma reserved [ 370.707735] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.710898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.714867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.714884] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.718938] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.722829] ? trace_hardirqs_on+0xbd/0x310 [ 370.726266] syz-executor1 cpuset= [ 370.730752] ? kasan_check_read+0x11/0x20 [ 370.730777] ? __run_timers+0x7da/0xc70 [ 370.734127] syz1 [ 370.738621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.745094] mems_allowed=0 [ 370.749345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.794783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.799037] __run_timers+0x7e5/0xc70 [ 370.802856] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.808224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.813523] ? rcu_bh_qs+0xc0/0xc0 [ 370.817072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.822611] ? check_preemption_disabled+0x48/0x200 [ 370.827642] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.832413] ? retint_kernel+0x2d/0x2d [ 370.836308] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.841247] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.846004] ? trace_hardirqs_off+0x310/0x310 [ 370.850507] ? check_preemption_disabled+0x48/0x200 [ 370.855545] ? graph_lock+0x170/0x170 [ 370.859356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.864898] ? check_preemption_disabled+0x48/0x200 [ 370.869930] ? __lock_is_held+0xb5/0x140 [ 370.873999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.879541] ? check_preemption_disabled+0x48/0x200 [ 370.884570] run_timer_softirq+0x52/0xb0 [ 370.888636] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.893921] __do_softirq+0x30b/0xad8 [ 370.897749] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.902868] ? pvclock_read_flags+0x160/0x160 [ 370.907369] ? lapic_next_event+0x5a/0x90 [ 370.911534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.917089] ? check_preemption_disabled+0x48/0x200 [ 370.922108] ? check_preemption_disabled+0x48/0x200 [ 370.927132] ? kvm_clock_read+0x18/0x30 [ 370.931114] ? kvm_sched_clock_read+0x9/0x20 [ 370.935533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.941079] ? check_preemption_disabled+0x48/0x200 [ 370.946116] irq_exit+0x17f/0x1c0 [ 370.949575] smp_apic_timer_interrupt+0x1cb/0x760 [ 370.954422] ? smp_reschedule_interrupt+0x109/0x650 [ 370.959441] ? smp_call_function_single_interrupt+0x650/0x650 [ 370.965334] ? interrupt_entry+0xb5/0xf0 [ 370.969400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.974425] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.979444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.984289] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.989324] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.994362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.999905] ? check_preemption_disabled+0x48/0x200 [ 371.004928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.010480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.015341] apic_timer_interrupt+0xf/0x20 [ 371.019576] [ 371.021818] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.026748] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 371.045667] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.053413] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.060697] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 371.068332] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 371.075604] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.082872] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 371.090197] skb_clone+0x1bb/0x500 [ 371.093742] ? finish_task_switch+0x2f5/0x900 [ 371.098248] ? skb_split+0x11e0/0x11e0 [ 371.102139] ? preempt_notifier_register+0x200/0x200 [ 371.107247] ? __switch_to_asm+0x34/0x70 [ 371.111319] ? __switch_to_asm+0x34/0x70 [ 371.115404] ? __switch_to_asm+0x40/0x70 [ 371.119466] ? __switch_to_asm+0x34/0x70 [ 371.123526] ? __switch_to_asm+0x40/0x70 [ 371.127589] ? __switch_to_asm+0x34/0x70 [ 371.131651] ? __switch_to_asm+0x40/0x70 [ 371.135714] ? __switch_to_asm+0x34/0x70 [ 371.139784] ? __switch_to_asm+0x34/0x70 [ 371.143849] ? __switch_to_asm+0x40/0x70 [ 371.147912] ? __switch_to_asm+0x34/0x70 [ 371.151989] bpf_clone_redirect+0xb9/0x490 [ 371.156228] ? __schedule+0x874/0x1ed0 [ 371.160167] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 371.165193] ? __sched_text_start+0x8/0x8 [ 371.169368] ? retint_kernel+0x2d/0x2d [ 371.173287] ? find_held_lock+0x36/0x1c0 [ 371.177363] ? lock_acquire+0x1ed/0x520 [ 371.181347] ? bpf_test_run+0x3cb/0x780 [ 371.185334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.190876] ? check_preemption_disabled+0x48/0x200 [ 371.195987] ? kasan_check_read+0x11/0x20 [ 371.200157] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.205439] ? rcu_bh_qs+0xc0/0xc0 [ 371.208983] ? preempt_schedule+0x4d/0x60 [ 371.213140] ? ___preempt_schedule+0x16/0x18 [ 371.217561] ? bpf_test_run+0x25d/0x780 [ 371.221548] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.225964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.231506] ? bpf_test_init.isra.9+0x70/0x100 [ 371.236101] ? bpf_prog_test_run_skb+0x634/0xb40 [ 371.240874] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.245724] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.251278] ? fput+0x130/0x1a0 [ 371.254564] ? __bpf_prog_get+0x9b/0x290 [ 371.258635] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.263478] ? bpf_prog_test_run+0x130/0x1a0 [ 371.267896] ? __x64_sys_bpf+0x3d8/0x510 [ 371.271959] ? bpf_prog_get+0x20/0x20 [ 371.275824] ? do_syscall_64+0x1b9/0x820 [ 371.279895] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.285264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.290201] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.295225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.300241] ? recalc_sigpending_tsk+0x180/0x180 [ 371.305000] ? kasan_check_write+0x14/0x20 [ 371.309261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.314133] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.319521] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 371.319606] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.326804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.326810] Call Trace: [ 371.326817] [ 371.326841] dump_stack+0x1c4/0x2b4 [ 371.326857] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.326883] warn_alloc.cold.119+0xb7/0x1bd [ 371.333425] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.342710] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.345268] syz-executor2 cpuset= [ 371.347413] ? lock_downgrade+0x900/0x900 [ 371.351010] syz2 [ 371.356198] ? trace_hardirqs_off+0xb8/0x310 [ 371.360497] mems_allowed=0 [ 371.370975] ? trace_hardirqs_off+0xb8/0x310 [ 371.397111] __alloc_pages_slowpath+0x2667/0x2d80 [ 371.401988] ? warn_alloc+0x120/0x120 [ 371.405800] ? trace_hardirqs_on+0x310/0x310 [ 371.410217] ? warn_alloc+0x120/0x120 [ 371.414026] ? print_usage_bug+0xc0/0xc0 [ 371.418088] ? warn_alloc+0x120/0x120 [ 371.421887] ? ktime_get+0x2e1/0x440 [ 371.425602] ? print_usage_bug+0xc0/0xc0 [ 371.429665] ? __lock_acquire+0x7ec/0x4ec0 [ 371.433901] ? __lock_acquire+0x7ec/0x4ec0 [ 371.438143] ? kasan_check_read+0x11/0x20 [ 371.442292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.447839] ? should_fail+0x22d/0xd01 [ 371.451731] ? rcu_bh_qs+0xc0/0xc0 [ 371.455297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.460416] ? __lock_acquire+0x7ec/0x4ec0 [ 371.464656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.469769] ? __lock_acquire+0x7ec/0x4ec0 [ 371.474003] ? should_fail+0x22d/0xd01 [ 371.477892] ? rcu_idle_enter+0x4b0/0x4b0 [ 371.482054] ? mark_held_locks+0x130/0x130 [ 371.486294] ? mark_held_locks+0x130/0x130 [ 371.490536] ? mark_held_locks+0xc7/0x130 [ 371.494683] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.499699] ? graph_lock+0x170/0x170 [ 371.503499] ? print_usage_bug+0xc0/0xc0 [ 371.507564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.513108] ? check_preemption_disabled+0x48/0x200 [ 371.518126] ? check_preemption_disabled+0x48/0x200 [ 371.523155] ? __lock_is_held+0xb5/0x140 [ 371.527224] __alloc_pages_nodemask+0xa80/0xde0 [ 371.531895] ? graph_lock+0x170/0x170 [ 371.535724] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.540750] ? graph_lock+0x170/0x170 [ 371.544572] ? find_held_lock+0x36/0x1c0 [ 371.548643] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.553313] ? lock_downgrade+0x900/0x900 [ 371.557471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.563017] cache_grow_begin+0x91/0x8c0 [ 371.567082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.571499] fallback_alloc+0x203/0x2e0 [ 371.575528] ____cache_alloc_node+0x1c7/0x1e0 [ 371.580038] kmem_cache_alloc_node+0xe3/0x730 [ 371.584536] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.588813] __alloc_skb+0x119/0x770 [ 371.592538] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.597832] ? skb_scrub_packet+0x490/0x490 [ 371.602158] ? lock_downgrade+0x900/0x900 [ 371.606320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.611861] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.617315] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.622788] ? addrconf_rs_timer+0x690/0x690 [ 371.627212] ndisc_alloc_skb+0x144/0x340 [ 371.631284] ndisc_send_rs+0x331/0x6e0 [ 371.635179] addrconf_rs_timer+0x314/0x690 [ 371.639420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.643675] call_timer_fn+0x272/0x920 [ 371.647563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.651818] ? process_timeout+0x40/0x40 [ 371.655888] ? find_held_lock+0x36/0x1c0 [ 371.659960] ? mark_held_locks+0xc7/0x130 [ 371.664117] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.668614] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.673108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.677343] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 371.681947] ? trace_hardirqs_on+0xbd/0x310 [ 371.686286] ? kasan_check_read+0x11/0x20 [ 371.690436] ? __run_timers+0x7da/0xc70 [ 371.694412] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.699874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.704147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.708386] __run_timers+0x7e5/0xc70 [ 371.712202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.717573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.722590] ? graph_lock+0x170/0x170 [ 371.726400] ? print_usage_bug+0xc0/0xc0 [ 371.730462] ? lock_release+0x970/0x970 [ 371.734443] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.739639] ? find_held_lock+0x36/0x1c0 [ 371.743706] ? graph_lock+0x170/0x170 [ 371.747514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.753057] ? check_preemption_disabled+0x48/0x200 [ 371.758087] ? __lock_is_held+0xb5/0x140 [ 371.762153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.767698] ? check_preemption_disabled+0x48/0x200 [ 371.772724] run_timer_softirq+0x52/0xb0 [ 371.776796] ? rcu_read_lock_sched_held+0x108/0x120 [ 371.781820] __do_softirq+0x30b/0xad8 [ 371.785639] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 371.790753] ? pvclock_read_flags+0x160/0x160 [ 371.795260] ? lapic_next_event+0x5a/0x90 [ 371.799412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.804952] ? check_preemption_disabled+0x48/0x200 [ 371.809968] ? check_preemption_disabled+0x48/0x200 [ 371.814991] ? kvm_clock_read+0x18/0x30 [ 371.818968] ? kvm_sched_clock_read+0x9/0x20 [ 371.823379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.828921] ? check_preemption_disabled+0x48/0x200 [ 371.833956] irq_exit+0x17f/0x1c0 [ 371.837415] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.842262] ? smp_reschedule_interrupt+0x109/0x650 [ 371.847281] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.853179] ? interrupt_entry+0xb5/0xf0 [ 371.857245] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.862264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.867287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.872133] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.877154] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.882178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.887724] ? check_preemption_disabled+0x48/0x200 [ 371.892747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.898307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.903162] apic_timer_interrupt+0xf/0x20 [ 371.907393] [ 371.909634] RIP: 0010:console_unlock+0xfdf/0x1160 [ 371.914484] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 371.933473] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 371.941183] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 371.948448] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 371.956162] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 371.963428] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 371.970700] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 371.977984] ? netconsole_netdev_event+0x280/0x280 [ 371.982930] ? console_unlock+0xfd6/0x1160 [ 371.987193] ? devkmsg_read+0xbb0/0xbb0 [ 371.991167] ? vprintk_emit+0x7f7/0x930 [ 371.995147] ? lock_release+0x970/0x970 [ 371.999126] ? trace_hardirqs_on+0x10/0x310 [ 372.003452] ? vprintk_default+0x28/0x30 [ 372.007520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.012973] ? kasan_check_write+0x14/0x20 [ 372.017208] ? do_raw_spin_lock+0xc1/0x200 [ 372.021453] vprintk_emit+0x33d/0x930 [ 372.025263] ? wake_up_klogd+0x180/0x180 [ 372.029341] ? find_held_lock+0x36/0x1c0 [ 372.033414] ? mark_held_locks+0xc7/0x130 [ 372.037576] vprintk_default+0x28/0x30 [ 372.041467] vprintk_func+0x7e/0x181 [ 372.045183] printk+0xa7/0xcf [ 372.048290] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 372.053052] ? kasan_check_write+0x14/0x20 [ 372.057289] ? do_raw_spin_lock+0xc1/0x200 [ 372.061535] show_free_areas.cold.120+0x1b8e/0x215d [ 372.066576] ? si_meminfo_node+0x260/0x260 [ 372.070821] ? __lock_acquire+0x7ec/0x4ec0 [ 372.075071] ? __lock_acquire+0x7ec/0x4ec0 [ 372.079316] ? __lock_acquire+0x7ec/0x4ec0 [ 372.083733] ? kasan_check_write+0x14/0x20 [ 372.087980] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 372.093798] ? mark_held_locks+0x130/0x130 [ 372.098043] ? mark_held_locks+0x130/0x130 [ 372.102286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.107838] ? graph_lock+0x170/0x170 [ 372.111643] ? put_dec+0x3b/0xf0 [ 372.115017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.120554] ? number+0x972/0xca0 [ 372.124014] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 372.129038] ? find_held_lock+0x36/0x1c0 [ 372.133113] ? serial8250_console_write+0x8b3/0xb10 [ 372.138132] ? lock_downgrade+0x900/0x900 [ 372.142288] ? graph_lock+0x170/0x170 [ 372.146090] ? graph_lock+0x170/0x170 [ 372.149896] ? print_usage_bug+0xc0/0xc0 [ 372.153961] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.158374] ? trace_hardirqs_on+0x310/0x310 [ 372.162790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.168327] ? wq_watchdog_touch+0x9c/0xfe [ 372.172573] ? io_serial_in+0x11/0x90 [ 372.176384] ? find_held_lock+0x36/0x1c0 [ 372.180457] ? mark_held_locks+0xc7/0x130 [ 372.184611] ? console_unlock+0xfaa/0x1160 [ 372.188851] ? console_unlock+0xfaa/0x1160 [ 372.193088] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.197675] ? vprintk_emit+0x33d/0x930 [ 372.201652] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.207114] ? kasan_check_write+0x14/0x20 [ 372.211353] ? do_raw_spin_lock+0xc1/0x200 [ 372.215616] ? netconsole_netdev_event+0x280/0x280 [ 372.220551] ? console_unlock+0x9ba/0x1160 [ 372.224805] ? devkmsg_read+0xbb0/0xbb0 [ 372.228794] ? lock_release+0x970/0x970 [ 372.232784] ? preempt_count_add+0x7d/0x160 [ 372.237110] ? wake_up_klogd+0x11a/0x180 [ 372.241177] ? console_device+0xc0/0xc0 [ 372.245168] ? vprintk_emit+0x268/0x930 [ 372.249156] ? wake_up_klogd+0x180/0x180 [ 372.253221] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.257983] ? trace_hardirqs_off+0x310/0x310 [ 372.262485] ? retint_kernel+0x1b/0x2d [ 372.266376] ? trace_hardirqs_on+0x310/0x310 [ 372.270803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.275606] ? retint_kernel+0x2d/0x2d [ 372.279510] ? arch_local_irq_restore+0x45/0x52 [ 372.284186] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 372.289201] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 372.293966] ? show_mem+0x1e/0x17b [ 372.297516] show_mem+0x34/0x17b [ 372.300890] dump_header+0x2f1/0xf72 [ 372.304616] ? pagefault_out_of_memory+0x197/0x197 [ 372.309556] ? __lock_acquire+0x7ec/0x4ec0 [ 372.313804] ? print_usage_bug+0xc0/0xc0 [ 372.317881] ? graph_lock+0x170/0x170 [ 372.321688] ? print_usage_bug+0xc0/0xc0 [ 372.325747] ? print_usage_bug+0xc0/0xc0 [ 372.329824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.335379] ? find_held_lock+0x36/0x1c0 [ 372.339451] ? mark_held_locks+0xc7/0x130 [ 372.343615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.348723] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.353839] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.358429] ? trace_hardirqs_on+0xbd/0x310 [ 372.362753] ? kasan_check_read+0x11/0x20 [ 372.366914] ? ___ratelimit+0x36f/0x655 [ 372.370890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.376351] ? trace_hardirqs_on+0x310/0x310 [ 372.380769] ? lock_downgrade+0x900/0x900 [ 372.384928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.390035] ? ___ratelimit+0xaa/0x655 [ 372.393929] ? idr_get_free+0xec0/0xec0 [ 372.397908] ? kasan_check_write+0x14/0x20 [ 372.402148] ? do_raw_spin_lock+0xc1/0x200 [ 372.406394] oom_kill_process.cold.27+0x10/0x903 [ 372.411157] ? graph_lock+0x170/0x170 [ 372.414969] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 372.420777] ? kasan_check_read+0x11/0x20 [ 372.424929] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.430215] ? oom_evaluate_task+0x540/0x540 [ 372.434629] ? find_held_lock+0x36/0x1c0 [ 372.438698] ? out_of_memory+0x974/0x1430 [ 372.442854] ? lock_downgrade+0x900/0x900 [ 372.447005] ? check_preemption_disabled+0x48/0x200 [ 372.452031] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 372.457835] ? kasan_check_read+0x11/0x20 [ 372.461989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.467267] ? rcu_bh_qs+0xc0/0xc0 [ 372.470815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.476359] ? oom_evaluate_task+0x302/0x540 [ 372.480782] out_of_memory+0xa84/0x1430 [ 372.484776] ? oom_killer_disable+0x3a0/0x3a0 [ 372.489280] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 372.494216] ? __mutex_add_waiter+0x2a0/0x2a0 [ 372.498724] __alloc_pages_slowpath+0x2318/0x2d80 [ 372.503606] ? warn_alloc+0x120/0x120 [ 372.507413] ? trace_hardirqs_on+0x310/0x310 [ 372.511837] ? print_usage_bug+0xc0/0xc0 [ 372.515904] ? warn_alloc+0x120/0x120 [ 372.519707] ? print_usage_bug+0xc0/0xc0 [ 372.523787] ? print_usage_bug+0xc0/0xc0 [ 372.527854] ? free_one_page+0x1700/0x1700 [ 372.532093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.537632] ? should_fail+0x22d/0xd01 [ 372.541526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.546630] ? __lock_acquire+0x7ec/0x4ec0 [ 372.550893] ? __lock_is_held+0xb5/0x140 [ 372.554966] ? graph_lock+0x170/0x170 [ 372.558778] ? ___might_sleep+0x1ed/0x300 [ 372.562931] ? lock_release+0x970/0x970 [ 372.566910] ? arch_local_save_flags+0x40/0x40 [ 372.571507] ? __might_sleep+0x95/0x190 [ 372.575490] __alloc_pages_nodemask+0xa80/0xde0 [ 372.580162] ? graph_lock+0x170/0x170 [ 372.583970] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.588986] ? graph_lock+0x170/0x170 [ 372.592809] ? mark_held_locks+0xc7/0x130 [ 372.596960] ? find_held_lock+0x36/0x1c0 [ 372.601032] ? cache_grow_begin+0x5a4/0x8c0 [ 372.605353] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.609938] ? trace_hardirqs_on+0xbd/0x310 [ 372.614266] ? fallback_alloc+0x203/0x2e0 [ 372.618427] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.623888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.629435] cache_grow_begin+0x91/0x8c0 [ 372.633504] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.637924] fallback_alloc+0x203/0x2e0 [ 372.641925] ____cache_alloc_node+0x1c7/0x1e0 [ 372.646437] kmem_cache_alloc_node_trace+0xe7/0x740 [ 372.651470] __kmalloc_node_track_caller+0x33/0x70 [ 372.656405] __kmalloc_reserve.isra.39+0x41/0xe0 [ 372.661170] __alloc_skb+0x155/0x770 [ 372.664895] ? skb_scrub_packet+0x490/0x490 [ 372.669221] ? if_nlmsg_size+0x5d1/0xbb0 [ 372.673293] ? nla_put_ifalias+0x170/0x170 [ 372.677574] ? sk_psock_stop_strp+0x120/0x120 [ 372.682084] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 372.687103] ? netif_tx_stop_all_queues+0xd9/0x110 [ 372.692037] rtmsg_ifinfo_build_skb+0x74/0x190 [ 372.696628] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 372.701492] rtmsg_ifinfo+0x8c/0xa0 [ 372.705128] dev_close_many+0x3be/0x860 [ 372.709116] ? netdev_master_upper_dev_link+0x50/0x50 [ 372.714328] ? find_held_lock+0x36/0x1c0 [ 372.718398] ? __queue_work+0x6be/0x1440 [ 372.722463] ? lock_downgrade+0x900/0x900 [ 372.726622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.732164] ? rtnl_is_locked+0xb5/0xf0 [ 372.736141] ? rtnl_trylock+0x20/0x20 [ 372.739944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.744354] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 372.748946] rollback_registered_many+0x543/0x1210 [ 372.753888] ? generic_xdp_install+0x4c0/0x4c0 [ 372.758479] ? max_active_store+0x170/0x170 [ 372.762822] ? graph_lock+0x170/0x170 [ 372.766631] ? print_usage_bug+0xc0/0xc0 [ 372.770699] ? print_usage_bug+0xc0/0xc0 [ 372.774772] ? __debug_object_init+0x57d/0x1290 [ 372.779445] ? graph_lock+0x170/0x170 [ 372.783249] ? print_usage_bug+0xc0/0xc0 [ 372.787313] ? find_held_lock+0x36/0x1c0 [ 372.791387] ? mark_held_locks+0xc7/0x130 [ 372.795547] rollback_registered+0x1e9/0x420 [ 372.799958] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 372.804543] ? rollback_registered_many+0x1210/0x1210 [ 372.809735] ? trace_hardirqs_on+0xbd/0x310 [ 372.814066] ? linkwatch_schedule_work+0x150/0x170 [ 372.818998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.824457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.830001] ? rtnl_is_locked+0xb5/0xf0 [ 372.833978] ? rtnl_trylock+0x20/0x20 [ 372.837792] ? queue_delayed_work_on+0x130/0x1f0 [ 372.842558] unregister_netdevice_queue+0x321/0x5e0 [ 372.847581] ? rollback_registered+0x420/0x420 [ 372.852166] ? linkwatch_schedule_work+0x170/0x170 [ 372.857102] ? tun_show_owner+0x170/0x170 [ 372.861257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.866820] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 372.872193] ? __tun_detach+0x6ba/0x15c0 [ 372.876263] __tun_detach+0x11b8/0x15c0 [ 372.880245] ? __call_rcu.constprop.69+0x429/0xbc0 [ 372.885187] ? tun_attach+0x1900/0x1900 [ 372.889171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.894716] ? check_preemption_disabled+0x48/0x200 [ 372.899752] ? graph_lock+0x170/0x170 [ 372.903566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.909104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.914641] ? locks_remove_file+0x3c6/0x5c0 [ 372.919052] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.924600] ? ima_file_free+0x132/0x650 [ 372.928679] ? __lock_is_held+0xb5/0x140 [ 372.932766] ? __tun_detach+0x15c0/0x15c0 [ 372.936930] ? __tun_detach+0x15c0/0x15c0 [ 372.941080] tun_chr_close+0xe3/0x180 [ 372.944887] __fput+0x385/0xa30 [ 372.948178] ? get_max_files+0x20/0x20 [ 372.952073] ? ___might_sleep+0x1ed/0x300 [ 372.956223] ? arch_local_save_flags+0x40/0x40 [ 372.960817] ____fput+0x15/0x20 [ 372.964109] task_work_run+0x1e8/0x2a0 [ 372.968010] ? task_work_cancel+0x240/0x240 [ 372.972338] ? switch_task_namespaces+0xb8/0xd0 [ 372.977015] do_exit+0x1ad7/0x2610 [ 372.980569] ? mm_update_next_owner+0x990/0x990 [ 372.985243] ? print_usage_bug+0xc0/0xc0 [ 372.989304] ? perf_trace_lock+0x14d/0x7a0 [ 372.993546] ? __lock_acquire+0x7ec/0x4ec0 [ 372.997790] ? find_held_lock+0x36/0x1c0 [ 373.001867] ? __lock_acquire+0x7ec/0x4ec0 [ 373.006128] ? mark_held_locks+0x130/0x130 [ 373.010387] ? lock_acquire+0x1ed/0x520 [ 373.014371] ? mark_held_locks+0x130/0x130 [ 373.018607] ? arch_local_save_flags+0x40/0x40 [ 373.023194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.028754] ? __mutex_lock+0x85e/0x1700 [ 373.032837] ? __switch_to_asm+0x40/0x70 [ 373.036903] ? __switch_to_asm+0x34/0x70 [ 373.040966] ? pipe_wait+0x266/0x2c0 [ 373.044690] ? mutex_trylock+0x2b0/0x2b0 [ 373.048774] ? graph_lock+0x170/0x170 [ 373.052577] ? find_held_lock+0x36/0x1c0 [ 373.056643] ? memset+0x31/0x40 [ 373.059937] ? find_held_lock+0x36/0x1c0 [ 373.064013] ? get_signal+0x95b/0x1980 [ 373.067905] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.072405] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.076912] do_group_exit+0x177/0x440 [ 373.080813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.086281] ? __ia32_sys_exit+0x50/0x50 [ 373.090357] get_signal+0x8b0/0x1980 [ 373.094084] ? ptrace_notify+0x130/0x130 [ 373.098154] ? finish_wait+0x430/0x430 [ 373.102044] ? graph_lock+0x170/0x170 [ 373.105858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.111398] ? pipe_read+0x702/0x940 [ 373.115113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.120662] do_signal+0x9c/0x21e0 [ 373.124210] ? __vfs_read+0x11f/0x9b0 [ 373.128018] ? vfs_copy_file_range+0xb90/0xb90 [ 373.132603] ? setup_sigcontext+0x7d0/0x7d0 [ 373.136947] ? exit_to_usermode_loop+0x8c/0x380 [ 373.141638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.147186] exit_to_usermode_loop+0x2e5/0x380 [ 373.151793] ? syscall_slow_exit_work+0x520/0x520 [ 373.156642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.162193] do_syscall_64+0x6be/0x820 [ 373.166085] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.171452] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.176388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.181238] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.186266] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.191298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.196158] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.201357] RIP: 0033:0x410fa0 [ 373.204557] Code: Bad RIP value. [ 373.207919] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 373.215631] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 373.222900] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 373.230169] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 373.237438] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 373.244714] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 373.252012] warn_alloc_show_mem: 1 callbacks suppressed [ 373.252025] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 373.252027] Mem-Info: [ 373.252060] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 373.252060] active_file:8 inactive_file:19 isolated_file:0 [ 373.252060] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.252060] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 373.252060] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 373.252060] free:13766 free_pcp:526 free_cma:0 [ 373.257407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.264781] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.267181] Call Trace: [ 373.300237] Node 0 [ 373.309593] [ 373.337375] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 373.339947] dump_stack+0x1c4/0x2b4 [ 373.342153] lowmem_reserve[]: [ 373.344309] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.369796] 0 [ 373.373438] warn_alloc.cold.119+0xb7/0x1bd [ 373.376498] 2819 6323 [ 373.381693] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.383473] 6323 [ 373.387798] ? lock_downgrade+0x900/0x900 [ 373.395110] ? trace_hardirqs_off+0xb8/0x310 [ 373.397143] Node 0 [ 373.401284] ? trace_hardirqs_off+0xb8/0x310 [ 373.405692] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 373.407905] __alloc_pages_slowpath+0x2667/0x2d80 [ 373.412281] lowmem_reserve[]: [ 373.439456] ? warn_alloc+0x120/0x120 [ 373.444247] 0 [ 373.447354] ? lock_release+0x970/0x970 [ 373.451129] 0 [ 373.452925] ? warn_alloc+0x120/0x120 [ 373.456876] 3503 [ 373.458673] ? print_usage_bug+0xc0/0xc0 [ 373.462441] 3503 [ 373.464511] ? warn_alloc+0x120/0x120 [ 373.468548] Node 0 [ 373.470609] ? print_usage_bug+0xc0/0xc0 [ 373.474418] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 373.476621] ? __lock_acquire+0x7ec/0x4ec0 [ 373.480648] lowmem_reserve[]: 0 [ 373.509189] ? __lock_acquire+0x7ec/0x4ec0 [ 373.513401] 0 [ 373.516681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.520887] 0 [ 373.522685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.528189] 0 [ 373.529996] ? should_fail+0x22d/0xd01 [ 373.535505] Node 0 [ 373.537303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.541167] DMA: [ 373.543398] ? __lock_acquire+0x7ec/0x4ec0 [ 373.548475] 1*4kB [ 373.550559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.554774] (U) [ 373.556922] ? __lock_acquire+0x7ec/0x4ec0 [ 373.562000] 0*8kB [ 373.563969] ? should_fail+0x22d/0xd01 [ 373.568182] 0*16kB [ 373.570337] ? mark_held_locks+0x130/0x130 [ 373.574187] 1*32kB [ 373.576429] ? mark_held_locks+0x130/0x130 [ 373.580636] (U) [ 373.582870] ? graph_lock+0x170/0x170 [ 373.587078] 2*64kB (U) [ 373.589065] ? print_usage_bug+0xc0/0xc0 [ 373.592843] 1*128kB (U) [ 373.595432] ? graph_lock+0x170/0x170 [ 373.599464] 1*256kB (U) [ 373.602137] ? print_usage_bug+0xc0/0xc0 [ 373.605915] 0*512kB [ 373.608580] ? wq_watchdog_touch+0x9c/0xfe [ 373.612615] 1*1024kB [ 373.614934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.619159] (U) [ 373.621564] ? check_preemption_disabled+0x48/0x200 [ 373.627072] 1*2048kB [ 373.629047] ? check_preemption_disabled+0x48/0x200 [ 373.634036] (M) [ 373.636463] ? __lock_is_held+0xb5/0x140 [ 373.641463] 3*4096kB [ 373.643443] __alloc_pages_nodemask+0xa80/0xde0 [ 373.647473] (M) [ 373.649880] ? graph_lock+0x170/0x170 [ 373.654527] = 15908kB [ 373.656502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.660278] Node 0 [ 373.662685] ? graph_lock+0x170/0x170 [ 373.667678] DMA32: [ 373.669919] ? find_held_lock+0x36/0x1c0 [ 373.673693] 3*4kB [ 373.675934] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.679962] (M) [ 373.682109] ? lock_downgrade+0x900/0x900 [ 373.686756] 2*8kB [ 373.688746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.692860] (UM) 2*16kB [ 373.695022] cache_grow_begin+0x91/0x8c0 [ 373.700532] (M) [ 373.703200] ? do_raw_spin_unlock+0xa7/0x2f0 [ 373.707232] 3*32kB (UM) [ 373.709215] fallback_alloc+0x203/0x2e0 [ 373.713592] 5*64kB (UM) [ 373.716268] ____cache_alloc_node+0x1c7/0x1e0 [ 373.720207] 3*128kB (M) [ 373.722889] kmem_cache_alloc_node+0xe3/0x730 [ 373.727360] 3*256kB [ 373.730024] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.734491] (M) [ 373.736820] __alloc_skb+0x119/0x770 [ 373.741028] 4*512kB [ 373.743015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.746696] (UM) 3*1024kB [ 373.749028] ? skb_scrub_packet+0x490/0x490 [ 373.754280] (UM) [ 373.757119] ? lock_downgrade+0x900/0x900 [ 373.761417] 3*2048kB [ 373.763483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.767597] (UM) 3*4096kB [ 373.770015] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.775535] (M) [ 373.778387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.783805] = 25180kB [ 373.785789] ? addrconf_rs_timer+0x690/0x690 [ 373.791211] Node 0 [ 373.793630] ndisc_alloc_skb+0x144/0x340 [ 373.798003] Normal: [ 373.800236] ndisc_send_rs+0x331/0x6e0 [ 373.804270] 960*4kB [ 373.806594] addrconf_rs_timer+0x314/0x690 [ 373.810456] (MEH) [ 373.812785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.816991] 471*8kB (UME) [ 373.819154] call_timer_fn+0x272/0x920 [ 373.823373] 178*16kB [ 373.826213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.830074] (ME) [ 373.832500] ? process_timeout+0x40/0x40 [ 373.836709] 44*32kB [ 373.838772] ? find_held_lock+0x36/0x1c0 [ 373.842806] (UME) [ 373.845216] ? __run_timers+0x7da/0xc70 [ 373.849255] 1*64kB (U) [ 373.851414] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.855355] 0*128kB 0*256kB [ 373.857946] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.862420] 2*512kB [ 373.865435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.869903] (U) [ 373.872226] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.876445] 1*1024kB [ 373.878415] ? trace_hardirqs_on+0xbd/0x310 [ 373.882972] (U) [ 373.885383] ? kasan_check_read+0x11/0x20 [ 373.889679] 0*2048kB [ 373.891656] ? __run_timers+0x7da/0xc70 [ 373.895786] 0*4096kB [ 373.898193] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.902140] = 13976kB [ 373.904551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.909983] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.912381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.916597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.925424] __run_timers+0x7e5/0xc70 [ 373.929657] 2889 total pagecache pages [ 373.938259] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.942031] 0 pages in swap cache [ 373.945909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.951653] Swap cache stats: add 0, delete 0, find 0/0 [ 373.951662] Free swap = 0kB [ 373.955118] ? rcu_bh_qs+0xc0/0xc0 [ 373.960361] Total swap = 0kB [ 373.960370] 1965979 pages RAM [ 373.965734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.968723] 0 pages HighMem/MovableOnly [ 373.968732] 342306 pages reserved [ 373.972272] ? check_preemption_disabled+0x48/0x200 [ 373.975259] 0 pages cma reserved [ 373.978366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.983961] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.987858] ? retint_kernel+0x2d/0x2d [ 373.987874] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.987892] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.991399] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.996692] ? trace_hardirqs_off+0x310/0x310 [ 374.000037] syz-executor1 cpuset= [ 374.004797] ? check_preemption_disabled+0x48/0x200 [ 374.011263] syz1 [ 374.015160] ? graph_lock+0x170/0x170 [ 374.020072] mems_allowed=0 [ 374.024837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.062439] ? check_preemption_disabled+0x48/0x200 [ 374.067484] ? __lock_is_held+0xb5/0x140 [ 374.071559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.077103] ? check_preemption_disabled+0x48/0x200 [ 374.082636] run_timer_softirq+0x52/0xb0 [ 374.086702] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.091721] __do_softirq+0x30b/0xad8 [ 374.095538] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.100650] ? pvclock_read_flags+0x160/0x160 [ 374.105159] ? lapic_next_event+0x5a/0x90 [ 374.109313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.114863] ? check_preemption_disabled+0x48/0x200 [ 374.119883] ? check_preemption_disabled+0x48/0x200 [ 374.124909] ? kvm_clock_read+0x18/0x30 [ 374.128884] ? kvm_sched_clock_read+0x9/0x20 [ 374.133302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.138853] ? check_preemption_disabled+0x48/0x200 [ 374.143887] irq_exit+0x17f/0x1c0 [ 374.147351] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.152195] ? smp_reschedule_interrupt+0x109/0x650 [ 374.157220] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.163109] ? interrupt_entry+0xb5/0xf0 [ 374.167177] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.172196] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.177218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.182065] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.187084] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.192104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.197819] ? check_preemption_disabled+0x48/0x200 [ 374.202839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.208392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.213245] apic_timer_interrupt+0xf/0x20 [ 374.217475] [ 374.219719] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.224651] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 374.243566] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.251289] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.258563] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 374.265835] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 374.273112] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 374.280385] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 374.287710] skb_clone+0x1bb/0x500 [ 374.291258] ? finish_task_switch+0x2f5/0x900 [ 374.295768] ? skb_split+0x11e0/0x11e0 [ 374.299667] ? preempt_notifier_register+0x200/0x200 [ 374.304782] ? __switch_to_asm+0x34/0x70 [ 374.308851] ? __switch_to_asm+0x34/0x70 [ 374.312917] ? __switch_to_asm+0x40/0x70 [ 374.316978] ? __switch_to_asm+0x34/0x70 [ 374.321038] ? __switch_to_asm+0x40/0x70 [ 374.325103] ? __switch_to_asm+0x34/0x70 [ 374.329166] ? __switch_to_asm+0x40/0x70 [ 374.333235] ? __switch_to_asm+0x34/0x70 [ 374.337301] ? __switch_to_asm+0x34/0x70 [ 374.341368] ? __switch_to_asm+0x40/0x70 [ 374.345430] ? __switch_to_asm+0x34/0x70 [ 374.349502] bpf_clone_redirect+0xb9/0x490 [ 374.353740] ? __schedule+0x874/0x1ed0 [ 374.357647] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 374.362671] ? __sched_text_start+0x8/0x8 [ 374.366848] ? retint_kernel+0x2d/0x2d [ 374.370751] ? find_held_lock+0x36/0x1c0 [ 374.374853] ? lock_acquire+0x1ed/0x520 [ 374.378836] ? bpf_test_run+0x3cb/0x780 [ 374.382820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.388370] ? check_preemption_disabled+0x48/0x200 [ 374.393403] ? kasan_check_read+0x11/0x20 [ 374.397560] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.402842] ? rcu_bh_qs+0xc0/0xc0 [ 374.406390] ? preempt_schedule+0x4d/0x60 [ 374.410542] ? ___preempt_schedule+0x16/0x18 [ 374.414967] ? bpf_test_run+0x25d/0x780 [ 374.418961] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.423377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.428917] ? bpf_test_init.isra.9+0x70/0x100 [ 374.433509] ? bpf_prog_test_run_skb+0x634/0xb40 [ 374.438279] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 374.443126] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.448669] ? fput+0x130/0x1a0 [ 374.451954] ? __bpf_prog_get+0x9b/0x290 [ 374.456024] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 374.460871] ? bpf_prog_test_run+0x130/0x1a0 [ 374.465285] ? __x64_sys_bpf+0x3d8/0x510 [ 374.469352] ? bpf_prog_get+0x20/0x20 [ 374.473178] ? do_syscall_64+0x1b9/0x820 [ 374.477248] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.482622] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.487562] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.492588] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.497616] ? recalc_sigpending_tsk+0x180/0x180 [ 374.502383] ? kasan_check_write+0x14/0x20 [ 374.506627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.511483] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.516877] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 374.516962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.524157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.524166] Call Trace: [ 374.530869] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.540002] [ 374.542578] syz-executor2 cpuset= [ 374.553063] dump_stack+0x1c4/0x2b4 [ 374.555187] syz2 [ 374.558635] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.562240] mems_allowed=0 [ 374.564220] warn_alloc.cold.119+0xb7/0x1bd [ 374.576612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.581462] ? lock_downgrade+0x900/0x900 [ 374.585622] ? trace_hardirqs_off+0xb8/0x310 [ 374.590043] ? trace_hardirqs_off+0xb8/0x310 [ 374.594462] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.599339] ? warn_alloc+0x120/0x120 [ 374.603151] ? warn_alloc+0x120/0x120 [ 374.606955] ? print_usage_bug+0xc0/0xc0 [ 374.611026] ? warn_alloc+0x120/0x120 [ 374.614836] ? print_usage_bug+0xc0/0xc0 [ 374.618904] ? __lock_acquire+0x7ec/0x4ec0 [ 374.623138] ? __lock_acquire+0x7ec/0x4ec0 [ 374.627378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.632921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.638464] ? should_fail+0x22d/0xd01 [ 374.642360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.647472] ? __lock_acquire+0x7ec/0x4ec0 [ 374.651716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.656817] ? __lock_acquire+0x7ec/0x4ec0 [ 374.661059] ? should_fail+0x22d/0xd01 [ 374.664961] ? mark_held_locks+0x130/0x130 [ 374.669204] ? mark_held_locks+0x130/0x130 [ 374.673441] ? graph_lock+0x170/0x170 [ 374.677245] ? print_usage_bug+0xc0/0xc0 [ 374.681307] ? graph_lock+0x170/0x170 [ 374.685131] ? print_usage_bug+0xc0/0xc0 [ 374.689193] ? wq_watchdog_touch+0x9c/0xfe [ 374.693451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.699012] ? check_preemption_disabled+0x48/0x200 [ 374.704048] ? check_preemption_disabled+0x48/0x200 [ 374.709077] ? __lock_is_held+0xb5/0x140 [ 374.713149] __alloc_pages_nodemask+0xa80/0xde0 [ 374.717820] ? graph_lock+0x170/0x170 [ 374.721632] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.726646] ? graph_lock+0x170/0x170 [ 374.730467] ? find_held_lock+0x36/0x1c0 [ 374.734547] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.739223] ? lock_downgrade+0x900/0x900 [ 374.743384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.748939] cache_grow_begin+0x91/0x8c0 [ 374.753006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.757429] fallback_alloc+0x203/0x2e0 [ 374.761411] ____cache_alloc_node+0x1c7/0x1e0 [ 374.765915] kmem_cache_alloc_node+0xe3/0x730 [ 374.770417] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.774663] __alloc_skb+0x119/0x770 [ 374.778380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.783677] ? skb_scrub_packet+0x490/0x490 [ 374.788006] ? lock_downgrade+0x900/0x900 [ 374.792164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.797702] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.803160] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.808613] ? addrconf_rs_timer+0x690/0x690 [ 374.813036] ndisc_alloc_skb+0x144/0x340 [ 374.817104] ndisc_send_rs+0x331/0x6e0 [ 374.821002] addrconf_rs_timer+0x314/0x690 [ 374.825243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.829495] call_timer_fn+0x272/0x920 [ 374.833381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.837622] ? process_timeout+0x40/0x40 [ 374.841683] ? find_held_lock+0x36/0x1c0 [ 374.845755] ? mark_held_locks+0xc7/0x130 [ 374.849921] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.854427] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.858927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.863168] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 374.867752] ? trace_hardirqs_on+0xbd/0x310 [ 374.872083] ? kasan_check_read+0x11/0x20 [ 374.876235] ? __run_timers+0x7da/0xc70 [ 374.880236] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.885771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.890025] __run_timers+0x7e5/0xc70 [ 374.893848] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.899218] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.904287] ? graph_lock+0x170/0x170 [ 374.908096] ? print_usage_bug+0xc0/0xc0 [ 374.912156] ? lock_release+0x970/0x970 [ 374.916137] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.921333] ? find_held_lock+0x36/0x1c0 [ 374.925430] ? graph_lock+0x170/0x170 [ 374.929235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.934788] ? check_preemption_disabled+0x48/0x200 [ 374.939825] ? __lock_is_held+0xb5/0x140 [ 374.943896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.949436] ? check_preemption_disabled+0x48/0x200 [ 374.954463] run_timer_softirq+0x52/0xb0 [ 374.958531] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.963553] __do_softirq+0x30b/0xad8 [ 374.967372] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.972486] ? pvclock_read_flags+0x160/0x160 [ 374.976983] ? lapic_next_event+0x5a/0x90 [ 374.981137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.986678] ? check_preemption_disabled+0x48/0x200 [ 374.991697] ? check_preemption_disabled+0x48/0x200 [ 374.996727] ? kvm_clock_read+0x18/0x30 [ 375.000710] ? kvm_sched_clock_read+0x9/0x20 [ 375.005124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.010663] ? check_preemption_disabled+0x48/0x200 [ 375.015694] irq_exit+0x17f/0x1c0 [ 375.019154] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.023998] ? smp_reschedule_interrupt+0x109/0x650 [ 375.029018] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.034906] ? interrupt_entry+0xb5/0xf0 [ 375.038973] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.043989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.049012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.053863] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.058883] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.063907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.069478] ? check_preemption_disabled+0x48/0x200 [ 375.074494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.080040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.084892] apic_timer_interrupt+0xf/0x20 [ 375.089126] [ 375.091367] RIP: 0010:console_unlock+0xfdf/0x1160 [ 375.096386] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 375.115286] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 375.123520] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 375.130794] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 375.138061] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 375.145327] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 375.152596] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 375.159885] ? netconsole_netdev_event+0x280/0x280 [ 375.164835] ? console_unlock+0xfd6/0x1160 [ 375.169101] ? devkmsg_read+0xbb0/0xbb0 [ 375.173082] ? vprintk_emit+0x7f7/0x930 [ 375.177067] ? lock_release+0x970/0x970 [ 375.181045] ? trace_hardirqs_on+0x10/0x310 [ 375.185369] ? vprintk_default+0x28/0x30 [ 375.189432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.194889] ? kasan_check_write+0x14/0x20 [ 375.199128] ? do_raw_spin_lock+0xc1/0x200 [ 375.203374] vprintk_emit+0x33d/0x930 [ 375.207228] ? wake_up_klogd+0x180/0x180 [ 375.211309] ? find_held_lock+0x36/0x1c0 [ 375.215379] ? mark_held_locks+0xc7/0x130 [ 375.219540] vprintk_default+0x28/0x30 [ 375.223428] vprintk_func+0x7e/0x181 [ 375.227144] printk+0xa7/0xcf [ 375.230253] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 375.235018] ? kasan_check_write+0x14/0x20 [ 375.239273] ? do_raw_spin_lock+0xc1/0x200 [ 375.243536] show_free_areas.cold.120+0x1b8e/0x215d [ 375.248579] ? si_meminfo_node+0x260/0x260 [ 375.252816] ? __lock_acquire+0x7ec/0x4ec0 [ 375.257062] ? __lock_acquire+0x7ec/0x4ec0 [ 375.261297] ? __lock_acquire+0x7ec/0x4ec0 [ 375.265533] ? kasan_check_write+0x14/0x20 [ 375.269778] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 375.275598] ? mark_held_locks+0x130/0x130 [ 375.279843] ? mark_held_locks+0x130/0x130 [ 375.284084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.289623] ? graph_lock+0x170/0x170 [ 375.293426] ? put_dec+0x3b/0xf0 [ 375.296819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.302367] ? number+0x972/0xca0 [ 375.305842] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 375.310880] ? find_held_lock+0x36/0x1c0 [ 375.314958] ? serial8250_console_write+0x8b3/0xb10 [ 375.319980] ? lock_downgrade+0x900/0x900 [ 375.324133] ? graph_lock+0x170/0x170 [ 375.327938] ? graph_lock+0x170/0x170 [ 375.331742] ? print_usage_bug+0xc0/0xc0 [ 375.335812] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.340250] ? trace_hardirqs_on+0x310/0x310 [ 375.344661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.350203] ? wq_watchdog_touch+0x9c/0xfe [ 375.354440] ? io_serial_in+0x11/0x90 [ 375.358252] ? find_held_lock+0x36/0x1c0 [ 375.362322] ? mark_held_locks+0xc7/0x130 [ 375.366476] ? console_unlock+0xfaa/0x1160 [ 375.370742] ? console_unlock+0xfaa/0x1160 [ 375.374988] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.379579] ? vprintk_emit+0x33d/0x930 [ 375.383559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.389019] ? kasan_check_write+0x14/0x20 [ 375.393260] ? do_raw_spin_lock+0xc1/0x200 [ 375.397505] ? netconsole_netdev_event+0x280/0x280 [ 375.402438] ? console_unlock+0x9ba/0x1160 [ 375.406686] ? devkmsg_read+0xbb0/0xbb0 [ 375.410666] ? lock_release+0x970/0x970 [ 375.414642] ? preempt_count_add+0x7d/0x160 [ 375.418967] ? wake_up_klogd+0x11a/0x180 [ 375.423036] ? console_device+0xc0/0xc0 [ 375.427027] ? vprintk_emit+0x268/0x930 [ 375.431013] ? wake_up_klogd+0x180/0x180 [ 375.435075] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.439839] ? trace_hardirqs_off+0x310/0x310 [ 375.444341] ? retint_kernel+0x1b/0x2d [ 375.448230] ? trace_hardirqs_on+0x310/0x310 [ 375.452649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.457432] ? retint_kernel+0x2d/0x2d [ 375.461362] ? arch_local_irq_restore+0x45/0x52 [ 375.466039] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 375.471057] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 375.475843] ? show_mem+0x1e/0x17b [ 375.479388] show_mem+0x34/0x17b [ 375.482772] dump_header+0x2f1/0xf72 [ 375.486499] ? pagefault_out_of_memory+0x197/0x197 [ 375.491441] ? __lock_acquire+0x7ec/0x4ec0 [ 375.495688] ? print_usage_bug+0xc0/0xc0 [ 375.499759] ? graph_lock+0x170/0x170 [ 375.503572] ? print_usage_bug+0xc0/0xc0 [ 375.507646] ? print_usage_bug+0xc0/0xc0 [ 375.511718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.517263] ? find_held_lock+0x36/0x1c0 [ 375.521334] ? mark_held_locks+0xc7/0x130 [ 375.525492] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.530596] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.535703] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.540307] ? trace_hardirqs_on+0xbd/0x310 [ 375.544634] ? kasan_check_read+0x11/0x20 [ 375.548789] ? ___ratelimit+0x36f/0x655 [ 375.552774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.558245] ? trace_hardirqs_on+0x310/0x310 [ 375.562796] ? lock_downgrade+0x900/0x900 [ 375.566963] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.572095] ? ___ratelimit+0xaa/0x655 [ 375.575983] ? idr_get_free+0xec0/0xec0 [ 375.579965] ? kasan_check_write+0x14/0x20 [ 375.584214] ? do_raw_spin_lock+0xc1/0x200 [ 375.588485] oom_kill_process.cold.27+0x10/0x903 [ 375.593242] ? graph_lock+0x170/0x170 [ 375.597069] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 375.602884] ? kasan_check_read+0x11/0x20 [ 375.607048] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.612357] ? oom_evaluate_task+0x540/0x540 [ 375.616778] ? find_held_lock+0x36/0x1c0 [ 375.620900] ? out_of_memory+0x974/0x1430 [ 375.625054] ? lock_downgrade+0x900/0x900 [ 375.629204] ? check_preemption_disabled+0x48/0x200 [ 375.634228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 375.640026] ? kasan_check_read+0x11/0x20 [ 375.644182] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.649474] ? rcu_bh_qs+0xc0/0xc0 [ 375.653020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.658556] ? oom_evaluate_task+0x302/0x540 [ 375.662970] out_of_memory+0xa84/0x1430 [ 375.666958] ? oom_killer_disable+0x3a0/0x3a0 [ 375.671458] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 375.676390] ? __mutex_add_waiter+0x2a0/0x2a0 [ 375.680908] __alloc_pages_slowpath+0x2318/0x2d80 [ 375.685807] ? warn_alloc+0x120/0x120 [ 375.689627] ? trace_hardirqs_on+0x310/0x310 [ 375.694068] ? print_usage_bug+0xc0/0xc0 [ 375.698132] ? warn_alloc+0x120/0x120 [ 375.701934] ? print_usage_bug+0xc0/0xc0 [ 375.706030] ? print_usage_bug+0xc0/0xc0 [ 375.710123] ? free_one_page+0x1700/0x1700 [ 375.714362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.719904] ? should_fail+0x22d/0xd01 [ 375.723808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.728916] ? __lock_acquire+0x7ec/0x4ec0 [ 375.733183] ? __lock_is_held+0xb5/0x140 [ 375.737253] ? graph_lock+0x170/0x170 [ 375.741061] ? ___might_sleep+0x1ed/0x300 [ 375.745207] ? lock_release+0x970/0x970 [ 375.749185] ? arch_local_save_flags+0x40/0x40 [ 375.753790] ? __might_sleep+0x95/0x190 [ 375.757785] __alloc_pages_nodemask+0xa80/0xde0 [ 375.762459] ? graph_lock+0x170/0x170 [ 375.766266] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.771279] ? graph_lock+0x170/0x170 [ 375.775094] ? mark_held_locks+0xc7/0x130 [ 375.779243] ? find_held_lock+0x36/0x1c0 [ 375.783310] ? cache_grow_begin+0x5a4/0x8c0 [ 375.787639] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.792224] ? trace_hardirqs_on+0xbd/0x310 [ 375.796550] ? fallback_alloc+0x203/0x2e0 [ 375.800701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.806168] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.811712] cache_grow_begin+0x91/0x8c0 [ 375.815785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.820204] fallback_alloc+0x203/0x2e0 [ 375.824187] ____cache_alloc_node+0x1c7/0x1e0 [ 375.828694] kmem_cache_alloc_node_trace+0xe7/0x740 [ 375.833726] __kmalloc_node_track_caller+0x33/0x70 [ 375.838661] __kmalloc_reserve.isra.39+0x41/0xe0 [ 375.843422] __alloc_skb+0x155/0x770 [ 375.847146] ? skb_scrub_packet+0x490/0x490 [ 375.851485] ? if_nlmsg_size+0x5d1/0xbb0 [ 375.855553] ? nla_put_ifalias+0x170/0x170 [ 375.859814] ? sk_psock_stop_strp+0x120/0x120 [ 375.864315] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 375.869335] ? netif_tx_stop_all_queues+0xd9/0x110 [ 375.874291] rtmsg_ifinfo_build_skb+0x74/0x190 [ 375.878882] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 375.883735] rtmsg_ifinfo+0x8c/0xa0 [ 375.887379] dev_close_many+0x3be/0x860 [ 375.891366] ? netdev_master_upper_dev_link+0x50/0x50 [ 375.896562] ? find_held_lock+0x36/0x1c0 [ 375.900631] ? __queue_work+0x6be/0x1440 [ 375.904696] ? lock_downgrade+0x900/0x900 [ 375.908856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.914401] ? rtnl_is_locked+0xb5/0xf0 [ 375.918381] ? rtnl_trylock+0x20/0x20 [ 375.922186] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.926602] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 375.931199] rollback_registered_many+0x543/0x1210 [ 375.936204] ? generic_xdp_install+0x4c0/0x4c0 [ 375.940807] ? max_active_store+0x170/0x170 [ 375.945137] ? graph_lock+0x170/0x170 [ 375.948941] ? print_usage_bug+0xc0/0xc0 [ 375.953396] ? print_usage_bug+0xc0/0xc0 [ 375.957460] ? __debug_object_init+0x57d/0x1290 [ 375.962135] ? graph_lock+0x170/0x170 [ 375.965940] ? print_usage_bug+0xc0/0xc0 [ 375.970007] ? find_held_lock+0x36/0x1c0 [ 375.974084] ? mark_held_locks+0xc7/0x130 [ 375.978239] rollback_registered+0x1e9/0x420 [ 375.982646] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 375.987235] ? rollback_registered_many+0x1210/0x1210 [ 375.992425] ? trace_hardirqs_on+0xbd/0x310 [ 375.996750] ? linkwatch_schedule_work+0x150/0x170 [ 376.001693] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.007149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.012692] ? rtnl_is_locked+0xb5/0xf0 [ 376.016673] ? rtnl_trylock+0x20/0x20 [ 376.020478] ? queue_delayed_work_on+0x130/0x1f0 [ 376.025274] unregister_netdevice_queue+0x321/0x5e0 [ 376.030295] ? rollback_registered+0x420/0x420 [ 376.034884] ? linkwatch_schedule_work+0x170/0x170 [ 376.039819] ? tun_show_owner+0x170/0x170 [ 376.043979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.049526] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 376.054891] ? __tun_detach+0x6ba/0x15c0 [ 376.058962] __tun_detach+0x11b8/0x15c0 [ 376.062941] ? __call_rcu.constprop.69+0x429/0xbc0 [ 376.067884] ? tun_attach+0x1900/0x1900 [ 376.071873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.077417] ? check_preemption_disabled+0x48/0x200 [ 376.082608] ? graph_lock+0x170/0x170 [ 376.086414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.091957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.097501] ? locks_remove_file+0x3c6/0x5c0 [ 376.101912] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 376.107453] ? ima_file_free+0x132/0x650 [ 376.111532] ? __lock_is_held+0xb5/0x140 [ 376.115607] ? __tun_detach+0x15c0/0x15c0 [ 376.119769] ? __tun_detach+0x15c0/0x15c0 [ 376.123919] tun_chr_close+0xe3/0x180 [ 376.127731] __fput+0x385/0xa30 [ 376.131027] ? get_max_files+0x20/0x20 [ 376.134922] ? ___might_sleep+0x1ed/0x300 [ 376.139076] ? arch_local_save_flags+0x40/0x40 [ 376.143670] ____fput+0x15/0x20 [ 376.146951] task_work_run+0x1e8/0x2a0 [ 376.150849] ? task_work_cancel+0x240/0x240 [ 376.155179] ? switch_task_namespaces+0xb8/0xd0 [ 376.159859] do_exit+0x1ad7/0x2610 [ 376.163416] ? mm_update_next_owner+0x990/0x990 [ 376.168087] ? print_usage_bug+0xc0/0xc0 [ 376.172151] ? perf_trace_lock+0x14d/0x7a0 [ 376.176393] ? __lock_acquire+0x7ec/0x4ec0 [ 376.180632] ? find_held_lock+0x36/0x1c0 [ 376.184708] ? __lock_acquire+0x7ec/0x4ec0 [ 376.188947] ? mark_held_locks+0x130/0x130 [ 376.193188] ? lock_acquire+0x1ed/0x520 [ 376.197173] ? mark_held_locks+0x130/0x130 [ 376.201408] ? arch_local_save_flags+0x40/0x40 [ 376.205992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.211565] ? __mutex_lock+0x85e/0x1700 [ 376.215634] ? __switch_to_asm+0x40/0x70 [ 376.219698] ? __switch_to_asm+0x34/0x70 [ 376.223770] ? pipe_wait+0x266/0x2c0 [ 376.227495] ? mutex_trylock+0x2b0/0x2b0 [ 376.231569] ? graph_lock+0x170/0x170 [ 376.235389] ? find_held_lock+0x36/0x1c0 [ 376.239456] ? memset+0x31/0x40 [ 376.242746] ? find_held_lock+0x36/0x1c0 [ 376.246857] ? get_signal+0x95b/0x1980 [ 376.250776] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.255305] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.259810] do_group_exit+0x177/0x440 [ 376.263720] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.269189] ? __ia32_sys_exit+0x50/0x50 [ 376.273293] get_signal+0x8b0/0x1980 [ 376.277017] ? ptrace_notify+0x130/0x130 [ 376.281087] ? finish_wait+0x430/0x430 [ 376.284991] ? graph_lock+0x170/0x170 [ 376.288811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.294367] ? pipe_read+0x702/0x940 [ 376.298083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.303635] do_signal+0x9c/0x21e0 [ 376.307176] ? __vfs_read+0x11f/0x9b0 [ 376.310984] ? vfs_copy_file_range+0xb90/0xb90 [ 376.315574] ? setup_sigcontext+0x7d0/0x7d0 [ 376.319926] ? exit_to_usermode_loop+0x8c/0x380 [ 376.324617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.330164] exit_to_usermode_loop+0x2e5/0x380 [ 376.334754] ? syscall_slow_exit_work+0x520/0x520 [ 376.339605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.345158] do_syscall_64+0x6be/0x820 [ 376.349052] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.354421] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.359351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.364199] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.369238] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.374276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.379130] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.384319] RIP: 0033:0x410fa0 [ 376.387518] Code: Bad RIP value. [ 376.390882] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 376.398592] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 376.405877] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 376.413142] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 376.420409] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 376.427674] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 376.434965] warn_alloc_show_mem: 1 callbacks suppressed [ 376.434977] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 376.434979] Mem-Info: [ 376.435011] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 376.435011] active_file:8 inactive_file:19 isolated_file:0 [ 376.435011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 376.435011] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 376.435011] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 376.435011] free:13766 free_pcp:526 free_cma:0 [ 376.440358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.447719] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 376.450119] Call Trace: [ 376.483084] Node 0 [ 376.492429] [ 376.520194] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 376.522756] dump_stack+0x1c4/0x2b4 [ 376.524966] lowmem_reserve[]: 0 [ 376.527121] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.552590] 2819 6323 [ 376.556230] warn_alloc.cold.119+0xb7/0x1bd [ 376.559467] 6323 [ 376.564660] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.567135] Node 0 [ 376.571451] ? lock_downgrade+0x900/0x900 [ 376.573516] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 376.578335] ? trace_hardirqs_off+0xb8/0x310 [ 376.580561] lowmem_reserve[]: 0 [ 376.584747] ? trace_hardirqs_off+0xb8/0x310 [ 376.611866] 0 3503 [ 376.616282] __alloc_pages_slowpath+0x2667/0x2d80 [ 376.619526] 3503 [ 376.623967] ? warn_alloc+0x120/0x120 [ 376.626157] Node 0 [ 376.630994] ? warn_alloc+0x120/0x120 [ 376.633060] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 376.636830] ? print_usage_bug+0xc0/0xc0 [ 376.639037] lowmem_reserve[]: 0 [ 376.642848] ? warn_alloc+0x120/0x120 [ 376.671367] 0 [ 376.675426] ? print_usage_bug+0xc0/0xc0 [ 376.678691] 0 [ 376.682484] ? warn_alloc+0x120/0x120 [ 376.684262] 0 [ 376.688320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.693892] ? should_fail+0x22d/0xd01 [ 376.695669] Node 0 [ 376.701197] ? __lock_acquire+0x7ec/0x4ec0 [ 376.705059] DMA: [ 376.707290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.711502] 1*4kB [ 376.713558] ? __lock_acquire+0x7ec/0x4ec0 [ 376.718660] (U) [ 376.720805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.725013] 0*8kB [ 376.726985] ? __lock_acquire+0x7ec/0x4ec0 [ 376.732061] 0*16kB [ 376.734202] ? should_fail+0x22d/0xd01 [ 376.738411] 1*32kB [ 376.740649] ? mark_held_locks+0x130/0x130 [ 376.744504] (U) [ 376.746737] ? mark_held_locks+0x130/0x130 [ 376.750945] 2*64kB [ 376.752919] ? mark_held_locks+0x130/0x130 [ 376.757127] (U) [ 376.759357] ? graph_lock+0x170/0x170 [ 376.763586] 1*128kB [ 376.765558] ? print_usage_bug+0xc0/0xc0 [ 376.769327] (U) 1*256kB [ 376.771661] ? mark_held_locks+0x130/0x130 [ 376.775725] (U) [ 376.778409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.782632] 0*512kB 1*1024kB [ 376.784614] ? check_preemption_disabled+0x48/0x200 [ 376.790120] (U) 1*2048kB [ 376.793234] ? check_preemption_disabled+0x48/0x200 [ 376.798224] (M) [ 376.800981] ? __lock_is_held+0xb5/0x140 [ 376.805966] 3*4096kB [ 376.807939] __alloc_pages_nodemask+0xa80/0xde0 [ 376.811968] (M) [ 376.814371] ? graph_lock+0x170/0x170 [ 376.819015] = 15908kB [ 376.820985] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.824759] Node 0 [ 376.827168] ? graph_lock+0x170/0x170 [ 376.832159] DMA32: [ 376.834396] ? find_held_lock+0x36/0x1c0 [ 376.838184] 3*4kB [ 376.840424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.844452] (M) [ 376.846601] ? lock_downgrade+0x900/0x900 [ 376.851243] 2*8kB [ 376.853215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.857339] (UM) [ 376.859490] cache_grow_begin+0x91/0x8c0 [ 376.865013] 2*16kB [ 376.867071] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.871105] (M) [ 376.873343] fallback_alloc+0x203/0x2e0 [ 376.877722] 3*32kB [ 376.879714] ____cache_alloc_node+0x1c7/0x1e0 [ 376.883663] (UM) [ 376.885900] kmem_cache_alloc_node+0xe3/0x730 [ 376.890380] 5*64kB (UM) [ 376.892447] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.896918] 3*128kB [ 376.899599] __alloc_skb+0x119/0x770 [ 376.903805] (M) [ 376.906126] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.909821] 3*256kB (M) [ 376.911821] ? skb_scrub_packet+0x490/0x490 [ 376.917085] 4*512kB [ 376.919749] ? lock_downgrade+0x900/0x900 [ 376.924043] (UM) 3*1024kB [ 376.926390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.930518] (UM) 3*2048kB [ 376.933384] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.938912] (UM) [ 376.941751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.947187] 3*4096kB [ 376.949244] ? addrconf_rs_timer+0x690/0x690 [ 376.954684] (M) [ 376.957098] ndisc_alloc_skb+0x144/0x340 [ 376.961475] = 25180kB [ 376.963447] ndisc_send_rs+0x331/0x6e0 [ 376.967481] Node 0 [ 376.969885] addrconf_rs_timer+0x314/0x690 [ 376.973747] Normal: [ 376.976028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.980250] 960*4kB [ 376.982594] call_timer_fn+0x272/0x920 [ 376.986794] (MEH) [ 376.989111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.992978] 471*8kB [ 376.995121] ? process_timeout+0x40/0x40 [ 376.999331] (UME) [ 377.001652] ? find_held_lock+0x36/0x1c0 [ 377.005690] 178*16kB [ 377.007846] ? __run_timers+0x7da/0xc70 [ 377.011883] (ME) [ 377.014304] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.018243] 44*32kB (UME) [ 377.020315] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.024788] 1*64kB (U) [ 377.027654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.032123] 0*128kB [ 377.034715] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 377.038924] 0*256kB [ 377.041242] ? trace_hardirqs_on+0xbd/0x310 [ 377.045816] 2*512kB [ 377.048153] ? kasan_check_read+0x11/0x20 [ 377.052446] (U) [ 377.054772] ? __run_timers+0x7da/0xc70 [ 377.058895] 1*1024kB [ 377.060867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.064817] (U) [ 377.067265] ? tcp_compressed_ack_kick+0x220/0x220 [ 377.072646] 0*2048kB 0*4096kB [ 377.074629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.079530] = 13976kB [ 377.079544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.082728] __run_timers+0x7e5/0xc70 [ 377.086943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.089357] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.098171] 2889 total pagecache pages [ 377.101985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.110537] 0 pages in swap cache [ 377.115915] ? rcu_bh_qs+0xc0/0xc0 [ 377.119790] Swap cache stats: add 0, delete 0, find 0/0 [ 377.125058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.128486] Free swap = 0kB [ 377.132038] ? check_preemption_disabled+0x48/0x200 [ 377.137372] Total swap = 0kB [ 377.142911] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.145899] 1965979 pages RAM [ 377.150916] ? retint_kernel+0x2d/0x2d [ 377.153900] 0 pages HighMem/MovableOnly [ 377.153909] 342306 pages reserved [ 377.158660] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.161743] 0 pages cma reserved [ 377.165631] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.169665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.173032] ? trace_hardirqs_off+0x310/0x310 [ 377.178547] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.181307] ? check_preemption_disabled+0x48/0x200 [ 377.186035] syz-executor1 cpuset= [ 377.192534] ? graph_lock+0x170/0x170 [ 377.197007] syz1 [ 377.207487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.212481] mems_allowed=0 [ 377.215960] ? check_preemption_disabled+0x48/0x200 [ 377.235143] ? __lock_is_held+0xb5/0x140 [ 377.239209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.244752] ? check_preemption_disabled+0x48/0x200 [ 377.249796] run_timer_softirq+0x52/0xb0 [ 377.253865] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.258887] __do_softirq+0x30b/0xad8 [ 377.262704] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.267852] ? pvclock_read_flags+0x160/0x160 [ 377.272354] ? lapic_next_event+0x5a/0x90 [ 377.276505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.282060] ? check_preemption_disabled+0x48/0x200 [ 377.287080] ? check_preemption_disabled+0x48/0x200 [ 377.292102] ? kvm_clock_read+0x18/0x30 [ 377.296083] ? kvm_sched_clock_read+0x9/0x20 [ 377.300513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.306052] ? check_preemption_disabled+0x48/0x200 [ 377.311083] irq_exit+0x17f/0x1c0 [ 377.314539] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.319382] ? smp_reschedule_interrupt+0x109/0x650 [ 377.324401] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.330304] ? interrupt_entry+0xb5/0xf0 [ 377.334399] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.339424] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.344445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.349294] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.354359] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.359413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.364954] ? check_preemption_disabled+0x48/0x200 [ 377.369970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.375520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.380376] apic_timer_interrupt+0xf/0x20 [ 377.384607] [ 377.386863] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 377.391801] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 377.410700] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.418447] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 377.425717] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 377.432984] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 377.440280] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 377.447564] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 377.454883] skb_clone+0x1bb/0x500 [ 377.458433] ? finish_task_switch+0x2f5/0x900 [ 377.462945] ? skb_split+0x11e0/0x11e0 [ 377.466858] ? preempt_notifier_register+0x200/0x200 [ 377.471975] ? __switch_to_asm+0x34/0x70 [ 377.476120] ? __switch_to_asm+0x34/0x70 [ 377.480185] ? __switch_to_asm+0x40/0x70 [ 377.484264] ? __switch_to_asm+0x34/0x70 [ 377.488328] ? __switch_to_asm+0x40/0x70 [ 377.492412] ? __switch_to_asm+0x34/0x70 [ 377.496474] ? __switch_to_asm+0x40/0x70 [ 377.500535] ? __switch_to_asm+0x34/0x70 [ 377.504604] ? __switch_to_asm+0x34/0x70 [ 377.508685] ? __switch_to_asm+0x40/0x70 [ 377.512744] ? __switch_to_asm+0x34/0x70 [ 377.516824] bpf_clone_redirect+0xb9/0x490 [ 377.521065] ? __schedule+0x874/0x1ed0 [ 377.524964] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 377.529987] ? __sched_text_start+0x8/0x8 [ 377.534140] ? retint_kernel+0x2d/0x2d [ 377.538039] ? find_held_lock+0x36/0x1c0 [ 377.542155] ? lock_acquire+0x1ed/0x520 [ 377.546135] ? bpf_test_run+0x3cb/0x780 [ 377.550112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.555654] ? check_preemption_disabled+0x48/0x200 [ 377.560694] ? kasan_check_read+0x11/0x20 [ 377.564847] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.570131] ? rcu_bh_qs+0xc0/0xc0 [ 377.573676] ? preempt_schedule+0x4d/0x60 [ 377.577832] ? ___preempt_schedule+0x16/0x18 [ 377.582254] ? bpf_test_run+0x25d/0x780 [ 377.586241] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.590658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.596196] ? bpf_test_init.isra.9+0x70/0x100 [ 377.600796] ? bpf_prog_test_run_skb+0x634/0xb40 [ 377.605563] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.610407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.615948] ? fput+0x130/0x1a0 [ 377.619238] ? __bpf_prog_get+0x9b/0x290 [ 377.623303] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.628150] ? bpf_prog_test_run+0x130/0x1a0 [ 377.632565] ? __x64_sys_bpf+0x3d8/0x510 [ 377.636630] ? bpf_prog_get+0x20/0x20 [ 377.640465] ? do_syscall_64+0x1b9/0x820 [ 377.644532] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.649900] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.654856] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.659883] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.664901] ? recalc_sigpending_tsk+0x180/0x180 [ 377.669662] ? kasan_check_write+0x14/0x20 [ 377.673905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.678776] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.684163] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 377.684276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.691438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.691444] Call Trace: [ 377.691451] [ 377.691470] dump_stack+0x1c4/0x2b4 [ 377.691488] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.691515] warn_alloc.cold.119+0xb7/0x1bd [ 377.698091] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.707350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.709911] syz-executor2 cpuset= [ 377.712074] ? lock_downgrade+0x900/0x900 [ 377.715674] syz2 [ 377.720887] ? trace_hardirqs_off+0xb8/0x310 [ 377.725224] mems_allowed=0 [ 377.735704] ? trace_hardirqs_off+0xb8/0x310 [ 377.761775] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.766655] ? warn_alloc+0x120/0x120 [ 377.770463] ? warn_alloc+0x120/0x120 [ 377.774273] ? print_usage_bug+0xc0/0xc0 [ 377.778336] ? warn_alloc+0x120/0x120 [ 377.782137] ? lock_downgrade+0x900/0x900 [ 377.786286] ? print_usage_bug+0xc0/0xc0 [ 377.790357] ? kasan_check_read+0x11/0x20 [ 377.794509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.800053] ? should_fail+0x22d/0xd01 [ 377.803944] ? rcu_bh_qs+0xc0/0xc0 [ 377.807492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.812595] ? __lock_acquire+0x7ec/0x4ec0 [ 377.816840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.821944] ? __lock_acquire+0x7ec/0x4ec0 [ 377.826204] ? should_fail+0x22d/0xd01 [ 377.830135] ? mark_held_locks+0x130/0x130 [ 377.834375] ? mark_held_locks+0x130/0x130 [ 377.838616] ? try_to_wake_up+0x10a/0x12f0 [ 377.842854] ? graph_lock+0x170/0x170 [ 377.846676] ? print_usage_bug+0xc0/0xc0 [ 377.850757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.856306] ? check_preemption_disabled+0x48/0x200 [ 377.861323] ? check_preemption_disabled+0x48/0x200 [ 377.866353] ? __lock_is_held+0xb5/0x140 [ 377.870425] __alloc_pages_nodemask+0xa80/0xde0 [ 377.875097] ? graph_lock+0x170/0x170 [ 377.878906] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.883920] ? graph_lock+0x170/0x170 [ 377.887736] ? find_held_lock+0x36/0x1c0 [ 377.891817] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.896493] ? lock_downgrade+0x900/0x900 [ 377.900652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.906199] cache_grow_begin+0x91/0x8c0 [ 377.910267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.914687] fallback_alloc+0x203/0x2e0 [ 377.918671] ____cache_alloc_node+0x1c7/0x1e0 [ 377.923176] kmem_cache_alloc_node+0xe3/0x730 [ 377.927688] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.931937] __alloc_skb+0x119/0x770 [ 377.935654] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.940938] ? skb_scrub_packet+0x490/0x490 [ 377.945264] ? lock_downgrade+0x900/0x900 [ 377.949829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.955381] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.960841] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.966296] ? addrconf_rs_timer+0x690/0x690 [ 377.970723] ndisc_alloc_skb+0x144/0x340 [ 377.974810] ndisc_send_rs+0x331/0x6e0 [ 377.978714] addrconf_rs_timer+0x314/0x690 [ 377.982960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.987220] call_timer_fn+0x272/0x920 [ 377.991136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.995375] ? process_timeout+0x40/0x40 [ 377.999435] ? find_held_lock+0x36/0x1c0 [ 378.003507] ? mark_held_locks+0xc7/0x130 [ 378.007659] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.012161] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.016673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.020910] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.025496] ? trace_hardirqs_on+0xbd/0x310 [ 378.029839] ? kasan_check_read+0x11/0x20 [ 378.034024] ? __run_timers+0x7da/0xc70 [ 378.038004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.043461] ? work_on_cpu_safe+0x90/0x90 [ 378.047617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.051862] __run_timers+0x7e5/0xc70 [ 378.055678] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.061047] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.066693] ? graph_lock+0x170/0x170 [ 378.070502] ? print_usage_bug+0xc0/0xc0 [ 378.074564] ? lock_release+0x970/0x970 [ 378.078544] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.084152] ? find_held_lock+0x36/0x1c0 [ 378.088221] ? graph_lock+0x170/0x170 [ 378.092035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.097579] ? check_preemption_disabled+0x48/0x200 [ 378.102605] ? __lock_is_held+0xb5/0x140 [ 378.106665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.112204] ? check_preemption_disabled+0x48/0x200 [ 378.117230] run_timer_softirq+0x52/0xb0 [ 378.121293] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.126327] __do_softirq+0x30b/0xad8 [ 378.130154] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.135285] ? pvclock_read_flags+0x160/0x160 [ 378.139789] ? lapic_next_event+0x5a/0x90 [ 378.143945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.149483] ? check_preemption_disabled+0x48/0x200 [ 378.154513] ? check_preemption_disabled+0x48/0x200 [ 378.159556] ? kvm_clock_read+0x18/0x30 [ 378.163532] ? kvm_sched_clock_read+0x9/0x20 [ 378.167948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.173506] ? check_preemption_disabled+0x48/0x200 [ 378.178541] irq_exit+0x17f/0x1c0 [ 378.182011] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.186860] ? smp_reschedule_interrupt+0x109/0x650 [ 378.191879] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.197773] ? interrupt_entry+0xb5/0xf0 [ 378.201858] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.206892] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.211911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.216756] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.221800] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.226825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.232370] ? check_preemption_disabled+0x48/0x200 [ 378.237388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.242934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.247799] apic_timer_interrupt+0xf/0x20 [ 378.252038] [ 378.254278] RIP: 0010:console_unlock+0xfdf/0x1160 [ 378.259140] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 378.278046] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 378.285783] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 378.293062] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 378.300340] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 378.307610] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 378.314897] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 378.322185] ? netconsole_netdev_event+0x280/0x280 [ 378.327131] ? console_unlock+0xfd6/0x1160 [ 378.331392] ? devkmsg_read+0xbb0/0xbb0 [ 378.335366] ? vprintk_emit+0x7f7/0x930 [ 378.339346] ? lock_release+0x970/0x970 [ 378.343324] ? trace_hardirqs_on+0x10/0x310 [ 378.347650] ? vprintk_default+0x28/0x30 [ 378.351715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.357173] ? kasan_check_write+0x14/0x20 [ 378.361411] ? do_raw_spin_lock+0xc1/0x200 [ 378.365655] vprintk_emit+0x33d/0x930 [ 378.369465] ? wake_up_klogd+0x180/0x180 [ 378.373545] ? find_held_lock+0x36/0x1c0 [ 378.377621] ? mark_held_locks+0xc7/0x130 [ 378.381787] vprintk_default+0x28/0x30 [ 378.385683] vprintk_func+0x7e/0x181 [ 378.389404] printk+0xa7/0xcf [ 378.392516] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 378.397279] ? kasan_check_write+0x14/0x20 [ 378.401516] ? do_raw_spin_lock+0xc1/0x200 [ 378.405780] show_free_areas.cold.120+0x1b8e/0x215d [ 378.410826] ? si_meminfo_node+0x260/0x260 [ 378.415070] ? __lock_acquire+0x7ec/0x4ec0 [ 378.419312] ? __lock_acquire+0x7ec/0x4ec0 [ 378.423552] ? __lock_acquire+0x7ec/0x4ec0 [ 378.427808] ? kasan_check_write+0x14/0x20 [ 378.432050] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 378.437867] ? mark_held_locks+0x130/0x130 [ 378.442106] ? mark_held_locks+0x130/0x130 [ 378.446352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.451896] ? graph_lock+0x170/0x170 [ 378.455706] ? put_dec+0x3b/0xf0 [ 378.459081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.464622] ? number+0x972/0xca0 [ 378.468087] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 378.473112] ? find_held_lock+0x36/0x1c0 [ 378.477286] ? serial8250_console_write+0x8b3/0xb10 [ 378.482306] ? lock_downgrade+0x900/0x900 [ 378.486456] ? graph_lock+0x170/0x170 [ 378.490260] ? graph_lock+0x170/0x170 [ 378.494063] ? print_usage_bug+0xc0/0xc0 [ 378.498158] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.502571] ? trace_hardirqs_on+0x310/0x310 [ 378.506980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.512520] ? wq_watchdog_touch+0x9c/0xfe [ 378.516759] ? io_serial_in+0x11/0x90 [ 378.520576] ? find_held_lock+0x36/0x1c0 [ 378.524647] ? mark_held_locks+0xc7/0x130 [ 378.528809] ? console_unlock+0xfaa/0x1160 [ 378.533052] ? console_unlock+0xfaa/0x1160 [ 378.537289] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.541878] ? vprintk_emit+0x33d/0x930 [ 378.545859] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.551315] ? kasan_check_write+0x14/0x20 [ 378.555566] ? do_raw_spin_lock+0xc1/0x200 [ 378.559826] ? netconsole_netdev_event+0x280/0x280 [ 378.564777] ? console_unlock+0x9ba/0x1160 [ 378.569029] ? devkmsg_read+0xbb0/0xbb0 [ 378.573008] ? lock_release+0x970/0x970 [ 378.576985] ? preempt_count_add+0x7d/0x160 [ 378.581338] ? wake_up_klogd+0x11a/0x180 [ 378.585418] ? console_device+0xc0/0xc0 [ 378.589407] ? vprintk_emit+0x268/0x930 [ 378.593391] ? wake_up_klogd+0x180/0x180 [ 378.597457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.602235] ? trace_hardirqs_off+0x310/0x310 [ 378.606734] ? retint_kernel+0x1b/0x2d [ 378.610629] ? trace_hardirqs_on+0x310/0x310 [ 378.615048] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.619866] ? retint_kernel+0x2d/0x2d [ 378.623773] ? arch_local_irq_restore+0x45/0x52 [ 378.628465] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 378.633483] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 378.638254] ? show_mem+0x1e/0x17b [ 378.641809] show_mem+0x34/0x17b [ 378.645208] dump_header+0x2f1/0xf72 [ 378.648938] ? pagefault_out_of_memory+0x197/0x197 [ 378.653880] ? __lock_acquire+0x7ec/0x4ec0 [ 378.658121] ? print_usage_bug+0xc0/0xc0 [ 378.662192] ? graph_lock+0x170/0x170 [ 378.666001] ? print_usage_bug+0xc0/0xc0 [ 378.670060] ? print_usage_bug+0xc0/0xc0 [ 378.674139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.679682] ? find_held_lock+0x36/0x1c0 [ 378.683757] ? mark_held_locks+0xc7/0x130 [ 378.687924] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.693030] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.698154] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.702741] ? trace_hardirqs_on+0xbd/0x310 [ 378.707070] ? kasan_check_read+0x11/0x20 [ 378.711221] ? ___ratelimit+0x36f/0x655 [ 378.715197] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.720662] ? trace_hardirqs_on+0x310/0x310 [ 378.725074] ? lock_downgrade+0x900/0x900 [ 378.729256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.734360] ? ___ratelimit+0xaa/0x655 [ 378.738276] ? idr_get_free+0xec0/0xec0 [ 378.742269] ? kasan_check_write+0x14/0x20 [ 378.746510] ? do_raw_spin_lock+0xc1/0x200 [ 378.750755] oom_kill_process.cold.27+0x10/0x903 [ 378.755522] ? graph_lock+0x170/0x170 [ 378.759362] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.765156] ? kasan_check_read+0x11/0x20 [ 378.769305] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.774602] ? oom_evaluate_task+0x540/0x540 [ 378.779014] ? find_held_lock+0x36/0x1c0 [ 378.783084] ? out_of_memory+0x974/0x1430 [ 378.787231] ? lock_downgrade+0x900/0x900 [ 378.791397] ? check_preemption_disabled+0x48/0x200 [ 378.796427] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.802223] ? kasan_check_read+0x11/0x20 [ 378.806377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.811657] ? rcu_bh_qs+0xc0/0xc0 [ 378.815222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.820759] ? oom_evaluate_task+0x302/0x540 [ 378.825183] out_of_memory+0xa84/0x1430 [ 378.829172] ? oom_killer_disable+0x3a0/0x3a0 [ 378.833667] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 378.838600] ? __mutex_add_waiter+0x2a0/0x2a0 [ 378.843108] __alloc_pages_slowpath+0x2318/0x2d80 [ 378.847984] ? warn_alloc+0x120/0x120 [ 378.851808] ? trace_hardirqs_on+0x310/0x310 [ 378.856230] ? print_usage_bug+0xc0/0xc0 [ 378.860298] ? warn_alloc+0x120/0x120 [ 378.864098] ? print_usage_bug+0xc0/0xc0 [ 378.868169] ? print_usage_bug+0xc0/0xc0 [ 378.872227] ? free_one_page+0x1700/0x1700 [ 378.876469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.882016] ? should_fail+0x22d/0xd01 [ 378.885913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.891020] ? __lock_acquire+0x7ec/0x4ec0 [ 378.895285] ? __lock_is_held+0xb5/0x140 [ 378.899357] ? graph_lock+0x170/0x170 [ 378.903166] ? ___might_sleep+0x1ed/0x300 [ 378.907312] ? lock_release+0x970/0x970 [ 378.911293] ? arch_local_save_flags+0x40/0x40 [ 378.915890] ? __might_sleep+0x95/0x190 [ 378.919872] __alloc_pages_nodemask+0xa80/0xde0 [ 378.924559] ? graph_lock+0x170/0x170 [ 378.928366] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.933380] ? graph_lock+0x170/0x170 [ 378.937194] ? mark_held_locks+0xc7/0x130 [ 378.941342] ? find_held_lock+0x36/0x1c0 [ 378.945441] ? cache_grow_begin+0x5a4/0x8c0 [ 378.949774] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.954383] ? trace_hardirqs_on+0xbd/0x310 [ 378.958707] ? fallback_alloc+0x203/0x2e0 [ 378.962861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.968327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.973873] cache_grow_begin+0x91/0x8c0 [ 378.977944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.982363] fallback_alloc+0x203/0x2e0 [ 378.986349] ____cache_alloc_node+0x1c7/0x1e0 [ 378.990877] kmem_cache_alloc_node_trace+0xe7/0x740 [ 378.995911] __kmalloc_node_track_caller+0x33/0x70 [ 379.000853] __kmalloc_reserve.isra.39+0x41/0xe0 [ 379.005615] __alloc_skb+0x155/0x770 [ 379.009337] ? skb_scrub_packet+0x490/0x490 [ 379.013664] ? if_nlmsg_size+0x5d1/0xbb0 [ 379.017731] ? nla_put_ifalias+0x170/0x170 [ 379.021988] ? sk_psock_stop_strp+0x120/0x120 [ 379.026484] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.031500] ? netif_tx_stop_all_queues+0xd9/0x110 [ 379.036436] rtmsg_ifinfo_build_skb+0x74/0x190 [ 379.041030] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 379.045883] rtmsg_ifinfo+0x8c/0xa0 [ 379.049516] dev_close_many+0x3be/0x860 [ 379.053503] ? netdev_master_upper_dev_link+0x50/0x50 [ 379.058718] ? find_held_lock+0x36/0x1c0 [ 379.062795] ? __queue_work+0x6be/0x1440 [ 379.066866] ? lock_downgrade+0x900/0x900 [ 379.071022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.076564] ? rtnl_is_locked+0xb5/0xf0 [ 379.080537] ? rtnl_trylock+0x20/0x20 [ 379.084338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.088756] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 379.093355] rollback_registered_many+0x543/0x1210 [ 379.098298] ? generic_xdp_install+0x4c0/0x4c0 [ 379.102905] ? max_active_store+0x170/0x170 [ 379.107230] ? graph_lock+0x170/0x170 [ 379.111037] ? print_usage_bug+0xc0/0xc0 [ 379.115114] ? print_usage_bug+0xc0/0xc0 [ 379.119189] ? __debug_object_init+0x57d/0x1290 [ 379.123874] ? graph_lock+0x170/0x170 [ 379.127677] ? print_usage_bug+0xc0/0xc0 [ 379.131743] ? find_held_lock+0x36/0x1c0 [ 379.135824] ? mark_held_locks+0xc7/0x130 [ 379.139983] rollback_registered+0x1e9/0x420 [ 379.144397] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 379.148983] ? rollback_registered_many+0x1210/0x1210 [ 379.154174] ? trace_hardirqs_on+0xbd/0x310 [ 379.158498] ? linkwatch_schedule_work+0x150/0x170 [ 379.163435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.168895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.174436] ? rtnl_is_locked+0xb5/0xf0 [ 379.178411] ? rtnl_trylock+0x20/0x20 [ 379.182217] ? queue_delayed_work_on+0x130/0x1f0 [ 379.186984] unregister_netdevice_queue+0x321/0x5e0 [ 379.192006] ? rollback_registered+0x420/0x420 [ 379.196591] ? linkwatch_schedule_work+0x170/0x170 [ 379.201528] ? tun_show_owner+0x170/0x170 [ 379.205682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.211224] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 379.216588] ? __tun_detach+0x6ba/0x15c0 [ 379.220659] __tun_detach+0x11b8/0x15c0 [ 379.224636] ? __call_rcu.constprop.69+0x429/0xbc0 [ 379.229575] ? tun_attach+0x1900/0x1900 [ 379.233554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.239104] ? check_preemption_disabled+0x48/0x200 [ 379.244137] ? graph_lock+0x170/0x170 [ 379.247941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.253486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.259045] ? locks_remove_file+0x3c6/0x5c0 [ 379.263459] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 379.268998] ? ima_file_free+0x132/0x650 [ 379.273068] ? __lock_is_held+0xb5/0x140 [ 379.277137] ? __tun_detach+0x15c0/0x15c0 [ 379.281292] ? __tun_detach+0x15c0/0x15c0 [ 379.285445] tun_chr_close+0xe3/0x180 [ 379.289254] __fput+0x385/0xa30 [ 379.292545] ? get_max_files+0x20/0x20 [ 379.296440] ? ___might_sleep+0x1ed/0x300 [ 379.300591] ? arch_local_save_flags+0x40/0x40 [ 379.305212] ____fput+0x15/0x20 [ 379.308495] task_work_run+0x1e8/0x2a0 [ 379.312388] ? task_work_cancel+0x240/0x240 [ 379.316736] ? switch_task_namespaces+0xb8/0xd0 [ 379.321420] do_exit+0x1ad7/0x2610 [ 379.324974] ? mm_update_next_owner+0x990/0x990 [ 379.329651] ? print_usage_bug+0xc0/0xc0 [ 379.333732] ? perf_trace_lock+0x14d/0x7a0 [ 379.337982] ? __lock_acquire+0x7ec/0x4ec0 [ 379.342218] ? find_held_lock+0x36/0x1c0 [ 379.346318] ? __lock_acquire+0x7ec/0x4ec0 [ 379.350568] ? mark_held_locks+0x130/0x130 [ 379.354812] ? lock_acquire+0x1ed/0x520 [ 379.358808] ? mark_held_locks+0x130/0x130 [ 379.363053] ? arch_local_save_flags+0x40/0x40 [ 379.367635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.373195] ? __mutex_lock+0x85e/0x1700 [ 379.377257] ? __switch_to_asm+0x40/0x70 [ 379.381317] ? __switch_to_asm+0x34/0x70 [ 379.385379] ? pipe_wait+0x266/0x2c0 [ 379.389104] ? mutex_trylock+0x2b0/0x2b0 [ 379.393181] ? graph_lock+0x170/0x170 [ 379.396987] ? find_held_lock+0x36/0x1c0 [ 379.401054] ? memset+0x31/0x40 [ 379.404342] ? find_held_lock+0x36/0x1c0 [ 379.408449] ? get_signal+0x95b/0x1980 [ 379.412341] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.416846] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.421351] do_group_exit+0x177/0x440 [ 379.425248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.430699] ? __ia32_sys_exit+0x50/0x50 [ 379.434787] get_signal+0x8b0/0x1980 [ 379.438517] ? ptrace_notify+0x130/0x130 [ 379.442585] ? finish_wait+0x430/0x430 [ 379.446479] ? graph_lock+0x170/0x170 [ 379.450296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.455850] ? pipe_read+0x702/0x940 [ 379.459575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.465125] do_signal+0x9c/0x21e0 [ 379.468673] ? __vfs_read+0x11f/0x9b0 [ 379.472486] ? vfs_copy_file_range+0xb90/0xb90 [ 379.477073] ? setup_sigcontext+0x7d0/0x7d0 [ 379.481416] ? exit_to_usermode_loop+0x8c/0x380 [ 379.486110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.491655] exit_to_usermode_loop+0x2e5/0x380 [ 379.496244] ? syscall_slow_exit_work+0x520/0x520 [ 379.501089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.506644] do_syscall_64+0x6be/0x820 [ 379.510535] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.515907] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.520840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.525686] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.530707] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.535735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.540600] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.545797] RIP: 0033:0x410fa0 [ 379.548996] Code: Bad RIP value. [ 379.552359] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 379.560072] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 379.567339] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 379.574607] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 379.581877] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 379.589162] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 379.596459] warn_alloc_show_mem: 1 callbacks suppressed [ 379.596471] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 379.596473] Mem-Info: [ 379.596506] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 379.596506] active_file:8 inactive_file:19 isolated_file:0 [ 379.596506] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.596506] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 379.596506] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 379.596506] free:13766 free_pcp:526 free_cma:0 [ 379.601842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.601850] Call Trace: [ 379.609222] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.611623] [ 379.644576] Node 0 [ 379.653934] dump_stack+0x1c4/0x2b4 [ 379.656515] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 379.684249] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.686369] lowmem_reserve[]: 0 [ 379.688638] warn_alloc.cold.119+0xb7/0x1bd [ 379.692231] 2819 [ 379.717729] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.722894] 6323 [ 379.726174] ? lock_downgrade+0x900/0x900 [ 379.730472] 6323 [ 379.732537] ? trace_hardirqs_off+0xb8/0x310 [ 379.739412] ? trace_hardirqs_off+0xb8/0x310 [ 379.743537] Node 0 [ 379.745612] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.750015] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 379.754444] ? warn_alloc+0x120/0x120 [ 379.756628] lowmem_reserve[]: 0 [ 379.761473] ? trace_hardirqs_on+0x310/0x310 [ 379.788599] 0 [ 379.792396] ? warn_alloc+0x120/0x120 [ 379.795643] 3503 3503 [ 379.800055] ? print_usage_bug+0xc0/0xc0 [ 379.801840] Node 0 [ 379.805636] ? warn_alloc+0x120/0x120 [ 379.808139] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 379.812171] ? ktime_get+0x2e1/0x440 [ 379.814376] lowmem_reserve[]: 0 [ 379.818189] ? print_usage_bug+0xc0/0xc0 [ 379.846699] 0 0 [ 379.850425] ? __lock_acquire+0x7ec/0x4ec0 [ 379.853673] 0 [ 379.857742] ? __lock_acquire+0x7ec/0x4ec0 [ 379.859693] Node 0 [ 379.863927] ? kasan_check_read+0x11/0x20 [ 379.865707] DMA: [ 379.869943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.872175] 1*4kB [ 379.876350] ? should_fail+0x22d/0xd01 [ 379.878381] (U) [ 379.883918] ? rcu_bh_qs+0xc0/0xc0 [ 379.886044] 0*8kB [ 379.889926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.891879] 0*16kB [ 379.895413] ? __lock_acquire+0x7ec/0x4ec0 [ 379.897541] 1*32kB [ 379.902640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.904858] (U) [ 379.909090] ? __lock_acquire+0x7ec/0x4ec0 [ 379.911305] 2*64kB [ 379.916424] ? should_fail+0x22d/0xd01 [ 379.918380] (U) [ 379.922608] ? rcu_idle_enter+0x4b0/0x4b0 [ 379.924813] 1*128kB (U) [ 379.928711] ? mark_held_locks+0x130/0x130 [ 379.930677] 1*256kB [ 379.934829] ? mark_held_locks+0x130/0x130 [ 379.937497] (U) [ 379.941750] ? mark_held_locks+0xc7/0x130 [ 379.944054] 0*512kB [ 379.948283] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 379.950674] 1*1024kB (U) [ 379.954827] ? graph_lock+0x170/0x170 [ 379.957125] 1*2048kB (M) [ 379.962142] ? print_usage_bug+0xc0/0xc0 [ 379.964875] 3*4096kB (M) [ 379.968695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.971425] = 15908kB [ 379.975496] ? check_preemption_disabled+0x48/0x200 [ 379.978229] Node 0 [ 379.983757] ? check_preemption_disabled+0x48/0x200 [ 379.986150] DMA32: [ 379.991170] ? __lock_is_held+0xb5/0x140 [ 379.993379] 3*4kB [ 379.998390] __alloc_pages_nodemask+0xa80/0xde0 [ 380.000597] (M) [ 380.004653] ? graph_lock+0x170/0x170 [ 380.006799] 2*8kB (UM) [ 380.011474] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 380.013598] 2*16kB (M) [ 380.017399] ? graph_lock+0x170/0x170 [ 380.019960] 3*32kB (UM) [ 380.024995] ? find_held_lock+0x36/0x1c0 [ 380.027539] 5*64kB (UM) [ 380.031353] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.033990] 3*128kB [ 380.038048] ? lock_downgrade+0x900/0x900 [ 380.040697] (M) [ 380.045373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.047667] 3*256kB [ 380.051814] cache_grow_begin+0x91/0x8c0 [ 380.053774] (M) [ 380.059307] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.061605] 4*512kB [ 380.065664] fallback_alloc+0x203/0x2e0 [ 380.067611] (UM) [ 380.072016] ____cache_alloc_node+0x1c7/0x1e0 [ 380.074348] 3*1024kB [ 380.078318] kmem_cache_alloc_node+0xe3/0x730 [ 380.080358] (UM) [ 380.085321] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.087710] 3*2048kB [ 380.092208] __alloc_skb+0x119/0x770 [ 380.094239] (UM) [ 380.098474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.100859] 3*4096kB [ 380.104568] ? skb_scrub_packet+0x490/0x490 [ 380.106610] (M) [ 380.111885] ? lock_downgrade+0x900/0x900 [ 380.114276] = 25180kB [ 380.118597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.120549] Node 0 [ 380.124695] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.127072] Normal: 960*4kB [ 380.132610] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.134824] (MEH) [ 380.140269] ? addrconf_rs_timer+0x690/0x690 [ 380.143263] 471*8kB [ 380.148711] ndisc_alloc_skb+0x144/0x340 [ 380.150829] (UME) [ 380.155234] ndisc_send_rs+0x331/0x6e0 [ 380.157534] 178*16kB [ 380.161591] addrconf_rs_timer+0x314/0x690 [ 380.163715] (ME) [ 380.167601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.169983] 44*32kB (UME) [ 380.174233] call_timer_fn+0x272/0x920 [ 380.176262] 1*64kB (U) [ 380.180514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.183371] 0*128kB [ 380.187252] ? process_timeout+0x40/0x40 [ 380.189809] 0*256kB 2*512kB [ 380.194049] ? find_held_lock+0x36/0x1c0 [ 380.196340] (U) 1*1024kB [ 380.200408] ? __run_timers+0x7da/0xc70 [ 380.203391] (U) 0*2048kB [ 380.207502] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.210232] 0*4096kB [ 380.214199] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.216933] = 13976kB [ 380.221424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.223820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.228302] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 380.230695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.234919] ? trace_hardirqs_on+0xbd/0x310 [ 380.243742] 2889 total pagecache pages [ 380.248316] ? kasan_check_read+0x11/0x20 [ 380.256875] 0 pages in swap cache [ 380.261184] ? __run_timers+0x7da/0xc70 [ 380.265047] Swap cache stats: add 0, delete 0, find 0/0 [ 380.269189] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.272622] Free swap = 0kB [ 380.276589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.281925] Total swap = 0kB [ 380.281933] 1965979 pages RAM [ 380.287379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.290368] 0 pages HighMem/MovableOnly [ 380.290376] 342306 pages reserved [ 380.294605] __run_timers+0x7e5/0xc70 [ 380.297600] 0 pages cma reserved [ 380.300708] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.304990] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.308875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.308891] ? rcu_bh_qs+0xc0/0xc0 [ 380.308913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.312421] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.316155] ? check_preemption_disabled+0x48/0x200 [ 380.319552] syz-executor1 cpuset= [ 380.324916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.331376] syz1 [ 380.336652] ? retint_kernel+0x2d/0x2d [ 380.340202] mems_allowed=0 [ 380.345749] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.383086] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.387877] ? trace_hardirqs_off+0x310/0x310 [ 380.392409] ? check_preemption_disabled+0x48/0x200 [ 380.397451] ? graph_lock+0x170/0x170 [ 380.401262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.406806] ? check_preemption_disabled+0x48/0x200 [ 380.411853] ? __lock_is_held+0xb5/0x140 [ 380.415922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.421466] ? check_preemption_disabled+0x48/0x200 [ 380.426495] run_timer_softirq+0x52/0xb0 [ 380.430563] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.435584] __do_softirq+0x30b/0xad8 [ 380.439396] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 380.444508] ? pvclock_read_flags+0x160/0x160 [ 380.449005] ? lapic_next_event+0x5a/0x90 [ 380.453171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.458713] ? check_preemption_disabled+0x48/0x200 [ 380.463729] ? check_preemption_disabled+0x48/0x200 [ 380.468755] ? kvm_clock_read+0x18/0x30 [ 380.472751] ? kvm_sched_clock_read+0x9/0x20 [ 380.477172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.482713] ? check_preemption_disabled+0x48/0x200 [ 380.487743] irq_exit+0x17f/0x1c0 [ 380.491207] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.497270] ? smp_reschedule_interrupt+0x109/0x650 [ 380.502288] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.508175] ? interrupt_entry+0xb5/0xf0 [ 380.512242] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.517258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.522277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.527123] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.532142] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.537165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.543749] ? check_preemption_disabled+0x48/0x200 [ 380.548781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.554340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.559194] apic_timer_interrupt+0xf/0x20 [ 380.563425] [ 380.565667] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 380.570602] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 380.589503] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.597218] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 380.604485] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 380.611757] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 380.619032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 380.626302] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 380.633627] skb_clone+0x1bb/0x500 [ 380.637174] ? finish_task_switch+0x2f5/0x900 [ 380.641681] ? skb_split+0x11e0/0x11e0 [ 380.645577] ? preempt_notifier_register+0x200/0x200 [ 380.650688] ? __switch_to_asm+0x34/0x70 [ 380.654749] ? __switch_to_asm+0x34/0x70 [ 380.658823] ? __switch_to_asm+0x40/0x70 [ 380.662887] ? __switch_to_asm+0x34/0x70 [ 380.666950] ? __switch_to_asm+0x40/0x70 [ 380.671013] ? __switch_to_asm+0x34/0x70 [ 380.675077] ? __switch_to_asm+0x40/0x70 [ 380.679143] ? __switch_to_asm+0x34/0x70 [ 380.683212] ? __switch_to_asm+0x34/0x70 [ 380.687276] ? __switch_to_asm+0x40/0x70 [ 380.691347] ? __switch_to_asm+0x34/0x70 [ 380.695426] bpf_clone_redirect+0xb9/0x490 [ 380.699667] ? __schedule+0x874/0x1ed0 [ 380.703575] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 380.708598] ? __sched_text_start+0x8/0x8 [ 380.712758] ? retint_kernel+0x2d/0x2d [ 380.716667] ? find_held_lock+0x36/0x1c0 [ 380.720739] ? lock_acquire+0x1ed/0x520 [ 380.724730] ? bpf_test_run+0x3cb/0x780 [ 380.728712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.734255] ? check_preemption_disabled+0x48/0x200 [ 380.739284] ? kasan_check_read+0x11/0x20 [ 380.743436] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.748716] ? rcu_bh_qs+0xc0/0xc0 [ 380.752260] ? preempt_schedule+0x4d/0x60 [ 380.756413] ? ___preempt_schedule+0x16/0x18 [ 380.760837] ? bpf_test_run+0x25d/0x780 [ 380.764832] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.769249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.774813] ? bpf_test_init.isra.9+0x70/0x100 [ 380.779406] ? bpf_prog_test_run_skb+0x634/0xb40 [ 380.784171] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.789020] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.794564] ? fput+0x130/0x1a0 [ 380.797849] ? __bpf_prog_get+0x9b/0x290 [ 380.801920] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.806764] ? bpf_prog_test_run+0x130/0x1a0 [ 380.811189] ? __x64_sys_bpf+0x3d8/0x510 [ 380.815254] ? bpf_prog_get+0x20/0x20 [ 380.819078] ? do_syscall_64+0x1b9/0x820 [ 380.823145] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.828514] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.833452] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.838477] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.843498] ? recalc_sigpending_tsk+0x180/0x180 [ 380.848260] ? kasan_check_write+0x14/0x20 [ 380.852509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.857372] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.862763] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 380.862858] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.870049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.870054] Call Trace: [ 380.870061] [ 380.870080] dump_stack+0x1c4/0x2b4 [ 380.870097] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.870124] warn_alloc.cold.119+0xb7/0x1bd [ 380.876717] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.885973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.888536] syz-executor2 cpuset= [ 380.890688] ? lock_downgrade+0x900/0x900 [ 380.894285] syz2 [ 380.899477] ? trace_hardirqs_off+0xb8/0x310 [ 380.903778] mems_allowed=0 [ 380.914262] ? trace_hardirqs_off+0xb8/0x310 [ 380.940334] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.945223] ? warn_alloc+0x120/0x120 [ 380.949050] ? lock_release+0x970/0x970 [ 380.953035] ? warn_alloc+0x120/0x120 [ 380.956852] ? print_usage_bug+0xc0/0xc0 [ 380.960931] ? warn_alloc+0x120/0x120 [ 380.964739] ? print_usage_bug+0xc0/0xc0 [ 380.968813] ? __lock_acquire+0x7ec/0x4ec0 [ 380.973054] ? __lock_acquire+0x7ec/0x4ec0 [ 380.977292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.982841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.988383] ? should_fail+0x22d/0xd01 [ 380.992279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.997385] ? __lock_acquire+0x7ec/0x4ec0 [ 381.001629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.006735] ? __lock_acquire+0x7ec/0x4ec0 [ 381.010976] ? should_fail+0x22d/0xd01 [ 381.014883] ? mark_held_locks+0x130/0x130 [ 381.019125] ? mark_held_locks+0x130/0x130 [ 381.023363] ? graph_lock+0x170/0x170 [ 381.027169] ? print_usage_bug+0xc0/0xc0 [ 381.031230] ? graph_lock+0x170/0x170 [ 381.035034] ? print_usage_bug+0xc0/0xc0 [ 381.039098] ? wq_watchdog_touch+0x9c/0xfe [ 381.043336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.048880] ? check_preemption_disabled+0x48/0x200 [ 381.053902] ? check_preemption_disabled+0x48/0x200 [ 381.058937] ? __lock_is_held+0xb5/0x140 [ 381.063010] __alloc_pages_nodemask+0xa80/0xde0 [ 381.067715] ? graph_lock+0x170/0x170 [ 381.071534] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.076555] ? graph_lock+0x170/0x170 [ 381.080374] ? find_held_lock+0x36/0x1c0 [ 381.084458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.089134] ? lock_downgrade+0x900/0x900 [ 381.093306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.098866] cache_grow_begin+0x91/0x8c0 [ 381.102942] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.107369] fallback_alloc+0x203/0x2e0 [ 381.111356] ____cache_alloc_node+0x1c7/0x1e0 [ 381.115867] kmem_cache_alloc_node+0xe3/0x730 [ 381.120368] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.124622] __alloc_skb+0x119/0x770 [ 381.128348] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.133642] ? skb_scrub_packet+0x490/0x490 [ 381.137979] ? lock_downgrade+0x900/0x900 [ 381.142147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.147694] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.153160] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.158618] ? addrconf_rs_timer+0x690/0x690 [ 381.163040] ndisc_alloc_skb+0x144/0x340 [ 381.167110] ndisc_send_rs+0x331/0x6e0 [ 381.171004] addrconf_rs_timer+0x314/0x690 [ 381.175250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.179502] call_timer_fn+0x272/0x920 [ 381.183394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.187644] ? process_timeout+0x40/0x40 [ 381.191705] ? find_held_lock+0x36/0x1c0 [ 381.195783] ? mark_held_locks+0xc7/0x130 [ 381.199943] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.204445] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.208940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.213175] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.217759] ? trace_hardirqs_on+0xbd/0x310 [ 381.222094] ? kasan_check_read+0x11/0x20 [ 381.226244] ? __run_timers+0x7da/0xc70 [ 381.230226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.235682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.239924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.244163] __run_timers+0x7e5/0xc70 [ 381.247983] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.253351] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.258372] ? graph_lock+0x170/0x170 [ 381.262224] ? print_usage_bug+0xc0/0xc0 [ 381.266284] ? lock_release+0x970/0x970 [ 381.270260] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.275457] ? find_held_lock+0x36/0x1c0 [ 381.279529] ? graph_lock+0x170/0x170 [ 381.283335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.288877] ? check_preemption_disabled+0x48/0x200 [ 381.293915] ? __lock_is_held+0xb5/0x140 [ 381.297978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.303520] ? check_preemption_disabled+0x48/0x200 [ 381.308551] run_timer_softirq+0x52/0xb0 [ 381.312613] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.317631] __do_softirq+0x30b/0xad8 [ 381.321443] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.326559] ? pvclock_read_flags+0x160/0x160 [ 381.331056] ? lapic_next_event+0x5a/0x90 [ 381.335207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.340745] ? check_preemption_disabled+0x48/0x200 [ 381.345782] ? check_preemption_disabled+0x48/0x200 [ 381.350815] ? kvm_clock_read+0x18/0x30 [ 381.354807] ? kvm_sched_clock_read+0x9/0x20 [ 381.359227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.364766] ? check_preemption_disabled+0x48/0x200 [ 381.369814] irq_exit+0x17f/0x1c0 [ 381.373274] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.378116] ? smp_reschedule_interrupt+0x109/0x650 [ 381.383138] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.389061] ? interrupt_entry+0xb5/0xf0 [ 381.393125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.398143] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.403172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.408020] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.413034] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.418052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.423596] ? check_preemption_disabled+0x48/0x200 [ 381.428612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.434161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.439016] apic_timer_interrupt+0xf/0x20 [ 381.443246] [ 381.445491] RIP: 0010:console_unlock+0xfdf/0x1160 [ 381.450336] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 381.469235] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 381.476948] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 381.484218] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 381.491484] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 381.498752] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 381.506044] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 381.513328] ? netconsole_netdev_event+0x280/0x280 [ 381.518272] ? console_unlock+0xfd6/0x1160 [ 381.522531] ? devkmsg_read+0xbb0/0xbb0 [ 381.526507] ? vprintk_emit+0x7f7/0x930 [ 381.530493] ? lock_release+0x970/0x970 [ 381.534470] ? trace_hardirqs_on+0x10/0x310 [ 381.538801] ? vprintk_default+0x28/0x30 [ 381.542870] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.548324] ? kasan_check_write+0x14/0x20 [ 381.552563] ? do_raw_spin_lock+0xc1/0x200 [ 381.556813] vprintk_emit+0x33d/0x930 [ 381.560639] ? wake_up_klogd+0x180/0x180 [ 381.564749] ? find_held_lock+0x36/0x1c0 [ 381.568829] ? mark_held_locks+0xc7/0x130 [ 381.572991] vprintk_default+0x28/0x30 [ 381.576886] vprintk_func+0x7e/0x181 [ 381.580602] printk+0xa7/0xcf [ 381.583708] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 381.588471] ? kasan_check_write+0x14/0x20 [ 381.592710] ? do_raw_spin_lock+0xc1/0x200 [ 381.596975] show_free_areas.cold.120+0x1b8e/0x215d [ 381.602020] ? si_meminfo_node+0x260/0x260 [ 381.606260] ? __lock_acquire+0x7ec/0x4ec0 [ 381.610505] ? __lock_acquire+0x7ec/0x4ec0 [ 381.614751] ? __lock_acquire+0x7ec/0x4ec0 [ 381.618997] ? kasan_check_write+0x14/0x20 [ 381.623235] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 381.629046] ? mark_held_locks+0x130/0x130 [ 381.633284] ? mark_held_locks+0x130/0x130 [ 381.637528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.643068] ? graph_lock+0x170/0x170 [ 381.646873] ? put_dec+0x3b/0xf0 [ 381.650248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.655795] ? number+0x972/0xca0 [ 381.659255] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 381.664281] ? find_held_lock+0x36/0x1c0 [ 381.668355] ? serial8250_console_write+0x8b3/0xb10 [ 381.673376] ? lock_downgrade+0x900/0x900 [ 381.677529] ? graph_lock+0x170/0x170 [ 381.681332] ? graph_lock+0x170/0x170 [ 381.685137] ? print_usage_bug+0xc0/0xc0 [ 381.689201] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.693629] ? trace_hardirqs_on+0x310/0x310 [ 381.698049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.703587] ? wq_watchdog_touch+0x9c/0xfe [ 381.707828] ? io_serial_in+0x11/0x90 [ 381.711646] ? find_held_lock+0x36/0x1c0 [ 381.715725] ? mark_held_locks+0xc7/0x130 [ 381.719878] ? console_unlock+0xfaa/0x1160 [ 381.724116] ? console_unlock+0xfaa/0x1160 [ 381.728356] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.732954] ? vprintk_emit+0x33d/0x930 [ 381.736940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.742397] ? kasan_check_write+0x14/0x20 [ 381.746635] ? do_raw_spin_lock+0xc1/0x200 [ 381.750883] ? netconsole_netdev_event+0x280/0x280 [ 381.755818] ? console_unlock+0x9ba/0x1160 [ 381.760071] ? devkmsg_read+0xbb0/0xbb0 [ 381.764055] ? lock_release+0x970/0x970 [ 381.768037] ? preempt_count_add+0x7d/0x160 [ 381.772362] ? wake_up_klogd+0x11a/0x180 [ 381.776427] ? console_device+0xc0/0xc0 [ 381.780415] ? vprintk_emit+0x268/0x930 [ 381.784399] ? wake_up_klogd+0x180/0x180 [ 381.788464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.793224] ? trace_hardirqs_off+0x310/0x310 [ 381.797720] ? retint_kernel+0x1b/0x2d [ 381.801611] ? trace_hardirqs_on+0x310/0x310 [ 381.806036] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.810813] ? retint_kernel+0x2d/0x2d [ 381.814729] ? arch_local_irq_restore+0x45/0x52 [ 381.819407] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 381.824422] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 381.829192] ? show_mem+0x1e/0x17b [ 381.832737] show_mem+0x34/0x17b [ 381.836133] dump_header+0x2f1/0xf72 [ 381.839864] ? pagefault_out_of_memory+0x197/0x197 [ 381.844817] ? __lock_acquire+0x7ec/0x4ec0 [ 381.849069] ? print_usage_bug+0xc0/0xc0 [ 381.853139] ? graph_lock+0x170/0x170 [ 381.856943] ? print_usage_bug+0xc0/0xc0 [ 381.861004] ? print_usage_bug+0xc0/0xc0 [ 381.865076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.870618] ? find_held_lock+0x36/0x1c0 [ 381.874690] ? mark_held_locks+0xc7/0x130 [ 381.878849] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.883957] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.889061] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.893651] ? trace_hardirqs_on+0xbd/0x310 [ 381.897973] ? kasan_check_read+0x11/0x20 [ 381.902131] ? ___ratelimit+0x36f/0x655 [ 381.906107] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.911560] ? trace_hardirqs_on+0x310/0x310 [ 381.915971] ? lock_downgrade+0x900/0x900 [ 381.920129] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.925237] ? ___ratelimit+0xaa/0x655 [ 381.929130] ? idr_get_free+0xec0/0xec0 [ 381.933110] ? kasan_check_write+0x14/0x20 [ 381.937356] ? do_raw_spin_lock+0xc1/0x200 [ 381.941601] oom_kill_process.cold.27+0x10/0x903 [ 381.946364] ? graph_lock+0x170/0x170 [ 381.950624] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.956423] ? kasan_check_read+0x11/0x20 [ 381.960576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.965864] ? oom_evaluate_task+0x540/0x540 [ 381.970278] ? find_held_lock+0x36/0x1c0 [ 381.974352] ? out_of_memory+0x974/0x1430 [ 381.978506] ? lock_downgrade+0x900/0x900 [ 381.982659] ? check_preemption_disabled+0x48/0x200 [ 381.987687] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.993500] ? kasan_check_read+0x11/0x20 [ 381.997651] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.002933] ? rcu_bh_qs+0xc0/0xc0 [ 382.006483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.012022] ? oom_evaluate_task+0x302/0x540 [ 382.016438] out_of_memory+0xa84/0x1430 [ 382.020423] ? oom_killer_disable+0x3a0/0x3a0 [ 382.024927] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 382.029866] ? __mutex_add_waiter+0x2a0/0x2a0 [ 382.034381] __alloc_pages_slowpath+0x2318/0x2d80 [ 382.039357] ? warn_alloc+0x120/0x120 [ 382.043171] ? trace_hardirqs_on+0x310/0x310 [ 382.047590] ? print_usage_bug+0xc0/0xc0 [ 382.051659] ? warn_alloc+0x120/0x120 [ 382.055468] ? print_usage_bug+0xc0/0xc0 [ 382.059539] ? print_usage_bug+0xc0/0xc0 [ 382.063606] ? free_one_page+0x1700/0x1700 [ 382.067854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.073398] ? should_fail+0x22d/0xd01 [ 382.077294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.082687] ? __lock_acquire+0x7ec/0x4ec0 [ 382.086957] ? __lock_is_held+0xb5/0x140 [ 382.091030] ? graph_lock+0x170/0x170 [ 382.094843] ? ___might_sleep+0x1ed/0x300 [ 382.098991] ? lock_release+0x970/0x970 [ 382.102967] ? arch_local_save_flags+0x40/0x40 [ 382.107568] ? __might_sleep+0x95/0x190 [ 382.111553] __alloc_pages_nodemask+0xa80/0xde0 [ 382.116227] ? graph_lock+0x170/0x170 [ 382.120035] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.125051] ? graph_lock+0x170/0x170 [ 382.128870] ? mark_held_locks+0xc7/0x130 [ 382.133023] ? find_held_lock+0x36/0x1c0 [ 382.137091] ? cache_grow_begin+0x5a4/0x8c0 [ 382.141414] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.146004] ? trace_hardirqs_on+0xbd/0x310 [ 382.150329] ? fallback_alloc+0x203/0x2e0 [ 382.154482] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.159944] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.165492] cache_grow_begin+0x91/0x8c0 [ 382.169562] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.173991] fallback_alloc+0x203/0x2e0 [ 382.177978] ____cache_alloc_node+0x1c7/0x1e0 [ 382.182484] kmem_cache_alloc_node_trace+0xe7/0x740 [ 382.187521] __kmalloc_node_track_caller+0x33/0x70 [ 382.192457] __kmalloc_reserve.isra.39+0x41/0xe0 [ 382.197221] __alloc_skb+0x155/0x770 [ 382.200947] ? skb_scrub_packet+0x490/0x490 [ 382.205277] ? if_nlmsg_size+0x5d1/0xbb0 [ 382.209349] ? nla_put_ifalias+0x170/0x170 [ 382.213599] ? sk_psock_stop_strp+0x120/0x120 [ 382.218098] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.223125] ? netif_tx_stop_all_queues+0xd9/0x110 [ 382.228062] rtmsg_ifinfo_build_skb+0x74/0x190 [ 382.232655] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 382.237508] rtmsg_ifinfo+0x8c/0xa0 [ 382.241149] dev_close_many+0x3be/0x860 [ 382.245140] ? netdev_master_upper_dev_link+0x50/0x50 [ 382.250339] ? find_held_lock+0x36/0x1c0 [ 382.260233] ? __queue_work+0x6be/0x1440 [ 382.264297] ? lock_downgrade+0x900/0x900 [ 382.268456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.273996] ? rtnl_is_locked+0xb5/0xf0 [ 382.277976] ? rtnl_trylock+0x20/0x20 [ 382.281788] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.286204] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 382.290802] rollback_registered_many+0x543/0x1210 [ 382.295745] ? generic_xdp_install+0x4c0/0x4c0 [ 382.300341] ? max_active_store+0x170/0x170 [ 382.304667] ? graph_lock+0x170/0x170 [ 382.308467] ? print_usage_bug+0xc0/0xc0 [ 382.312528] ? print_usage_bug+0xc0/0xc0 [ 382.316592] ? __debug_object_init+0x57d/0x1290 [ 382.321267] ? graph_lock+0x170/0x170 [ 382.325068] ? print_usage_bug+0xc0/0xc0 [ 382.329135] ? find_held_lock+0x36/0x1c0 [ 382.333207] ? mark_held_locks+0xc7/0x130 [ 382.337366] rollback_registered+0x1e9/0x420 [ 382.341785] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 382.346370] ? rollback_registered_many+0x1210/0x1210 [ 382.351560] ? trace_hardirqs_on+0xbd/0x310 [ 382.355885] ? linkwatch_schedule_work+0x150/0x170 [ 382.360817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.366282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.371828] ? rtnl_is_locked+0xb5/0xf0 [ 382.375814] ? rtnl_trylock+0x20/0x20 [ 382.379625] ? queue_delayed_work_on+0x130/0x1f0 [ 382.384388] unregister_netdevice_queue+0x321/0x5e0 [ 382.389408] ? rollback_registered+0x420/0x420 [ 382.393991] ? linkwatch_schedule_work+0x170/0x170 [ 382.398921] ? tun_show_owner+0x170/0x170 [ 382.403074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.408618] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 382.413982] ? __tun_detach+0x6ba/0x15c0 [ 382.418055] __tun_detach+0x11b8/0x15c0 [ 382.422034] ? __call_rcu.constprop.69+0x429/0xbc0 [ 382.426974] ? tun_attach+0x1900/0x1900 [ 382.430952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.436494] ? check_preemption_disabled+0x48/0x200 [ 382.441522] ? graph_lock+0x170/0x170 [ 382.445324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.450867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.456495] ? locks_remove_file+0x3c6/0x5c0 [ 382.460905] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 382.466445] ? ima_file_free+0x132/0x650 [ 382.470520] ? __lock_is_held+0xb5/0x140 [ 382.474589] ? __tun_detach+0x15c0/0x15c0 [ 382.478746] ? __tun_detach+0x15c0/0x15c0 [ 382.482899] tun_chr_close+0xe3/0x180 [ 382.486706] __fput+0x385/0xa30 [ 382.489993] ? get_max_files+0x20/0x20 [ 382.493890] ? ___might_sleep+0x1ed/0x300 [ 382.498039] ? arch_local_save_flags+0x40/0x40 [ 382.502636] ____fput+0x15/0x20 [ 382.505922] task_work_run+0x1e8/0x2a0 [ 382.509825] ? task_work_cancel+0x240/0x240 [ 382.514169] ? switch_task_namespaces+0xb8/0xd0 [ 382.518854] do_exit+0x1ad7/0x2610 [ 382.522406] ? mm_update_next_owner+0x990/0x990 [ 382.527077] ? print_usage_bug+0xc0/0xc0 [ 382.531138] ? perf_trace_lock+0x14d/0x7a0 [ 382.535381] ? __lock_acquire+0x7ec/0x4ec0 [ 382.539621] ? find_held_lock+0x36/0x1c0 [ 382.543693] ? __lock_acquire+0x7ec/0x4ec0 [ 382.547928] ? mark_held_locks+0x130/0x130 [ 382.552168] ? lock_acquire+0x1ed/0x520 [ 382.556150] ? mark_held_locks+0x130/0x130 [ 382.560387] ? arch_local_save_flags+0x40/0x40 [ 382.564974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.570530] ? __mutex_lock+0x85e/0x1700 [ 382.574596] ? __switch_to_asm+0x40/0x70 [ 382.578656] ? __switch_to_asm+0x34/0x70 [ 382.582719] ? pipe_wait+0x266/0x2c0 [ 382.586440] ? mutex_trylock+0x2b0/0x2b0 [ 382.590513] ? graph_lock+0x170/0x170 [ 382.594315] ? find_held_lock+0x36/0x1c0 [ 382.598385] ? memset+0x31/0x40 [ 382.601672] ? find_held_lock+0x36/0x1c0 [ 382.605745] ? get_signal+0x95b/0x1980 [ 382.609649] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.614147] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.618653] do_group_exit+0x177/0x440 [ 382.622549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.628001] ? __ia32_sys_exit+0x50/0x50 [ 382.632080] get_signal+0x8b0/0x1980 [ 382.635815] ? ptrace_notify+0x130/0x130 [ 382.639893] ? finish_wait+0x430/0x430 [ 382.643792] ? graph_lock+0x170/0x170 [ 382.647605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.653147] ? pipe_read+0x702/0x940 [ 382.656871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.662424] do_signal+0x9c/0x21e0 [ 382.665967] ? __vfs_read+0x11f/0x9b0 [ 382.669783] ? vfs_copy_file_range+0xb90/0xb90 [ 382.674371] ? setup_sigcontext+0x7d0/0x7d0 [ 382.678717] ? exit_to_usermode_loop+0x8c/0x380 [ 382.683406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.688952] exit_to_usermode_loop+0x2e5/0x380 [ 382.693553] ? syscall_slow_exit_work+0x520/0x520 [ 382.698398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.703946] do_syscall_64+0x6be/0x820 [ 382.707844] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.713229] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.718180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.723028] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.728054] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.733091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.737946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.743133] RIP: 0033:0x410fa0 [ 382.746329] Code: Bad RIP value. [ 382.749692] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 382.757399] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 382.764665] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 382.771931] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 382.779196] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 382.786463] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 382.793759] warn_alloc_show_mem: 1 callbacks suppressed [ 382.793779] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 382.793781] Mem-Info: [ 382.793817] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 382.793817] active_file:8 inactive_file:19 isolated_file:0 [ 382.793817] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.793817] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 382.793817] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 382.793817] free:13766 free_pcp:526 free_cma:0 [ 382.799171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.806535] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.808934] Call Trace: [ 382.841886] Node 0 [ 382.851232] [ 382.879002] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 382.881562] dump_stack+0x1c4/0x2b4 [ 382.883763] lowmem_reserve[]: 0 [ 382.885934] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.911413] 2819 [ 382.915058] warn_alloc.cold.119+0xb7/0x1bd [ 382.918295] 6323 [ 382.923481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.925505] 6323 [ 382.929831] ? lock_downgrade+0x900/0x900 [ 382.931884] Node 0 [ 382.936732] ? trace_hardirqs_off+0xb8/0x310 [ 382.938796] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 382.942912] ? trace_hardirqs_off+0xb8/0x310 [ 382.945112] lowmem_reserve[]: 0 [ 382.949528] __alloc_pages_slowpath+0x2667/0x2d80 [ 382.976664] 0 [ 382.981118] ? warn_alloc+0x120/0x120 [ 382.984345] 3503 [ 382.989182] ? trace_hardirqs_on+0x310/0x310 [ 382.990951] 3503 [ 382.994751] ? warn_alloc+0x120/0x120 [ 382.996793] Node 0 [ 383.001195] ? print_usage_bug+0xc0/0xc0 [ 383.003261] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 383.007027] ? warn_alloc+0x120/0x120 [ 383.009231] lowmem_reserve[]: 0 [ 383.013293] ? ktime_get+0x2e1/0x440 [ 383.041815] 0 [ 383.045615] ? print_usage_bug+0xc0/0xc0 [ 383.048867] 0 [ 383.052577] ? __lock_acquire+0x7ec/0x4ec0 [ 383.054356] 0 [ 383.058431] ? __lock_acquire+0x7ec/0x4ec0 [ 383.064969] ? kasan_check_read+0x11/0x20 [ 383.066748] Node 0 [ 383.070989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.075107] DMA: [ 383.077345] ? should_fail+0x22d/0xd01 [ 383.082855] 1*4kB [ 383.084915] ? rcu_bh_qs+0xc0/0xc0 [ 383.088783] (U) [ 383.090941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.094453] 0*8kB [ 383.096423] ? __lock_acquire+0x7ec/0x4ec0 [ 383.101505] 0*16kB [ 383.103650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.107861] 1*32kB [ 383.110090] ? __lock_acquire+0x7ec/0x4ec0 [ 383.115169] (U) [ 383.117400] ? should_fail+0x22d/0xd01 [ 383.121613] 2*64kB [ 383.123582] ? rcu_idle_enter+0x4b0/0x4b0 [ 383.127444] (U) [ 383.129678] ? mark_held_locks+0x130/0x130 [ 383.133800] 1*128kB [ 383.135779] ? mark_held_locks+0x130/0x130 [ 383.139989] (U) [ 383.142308] ? mark_held_locks+0xc7/0x130 [ 383.146515] 1*256kB [ 383.148488] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.152610] (U) [ 383.155021] ? graph_lock+0x170/0x170 [ 383.160013] 0*512kB [ 383.161984] ? print_usage_bug+0xc0/0xc0 [ 383.165761] 1*1024kB [ 383.168092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.172125] (U) [ 383.174536] ? check_preemption_disabled+0x48/0x200 [ 383.180049] 1*2048kB [ 383.182023] ? check_preemption_disabled+0x48/0x200 [ 383.187010] (M) [ 383.189420] ? __lock_is_held+0xb5/0x140 [ 383.194403] 3*4096kB [ 383.196376] __alloc_pages_nodemask+0xa80/0xde0 [ 383.200406] (M) [ 383.202807] ? graph_lock+0x170/0x170 [ 383.207455] = 15908kB [ 383.209424] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.213196] Node 0 [ 383.215599] ? graph_lock+0x170/0x170 [ 383.220585] DMA32: 3*4kB [ 383.222833] ? find_held_lock+0x36/0x1c0 [ 383.226602] (M) [ 383.229366] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.233390] 2*8kB (UM) [ 383.235380] ? lock_downgrade+0x900/0x900 [ 383.240021] 2*16kB [ 383.242602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.246721] (M) [ 383.248953] cache_grow_begin+0x91/0x8c0 [ 383.254459] 3*32kB [ 383.256432] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.260469] (UM) [ 383.262708] fallback_alloc+0x203/0x2e0 [ 383.267079] 5*64kB (UM) [ 383.269148] ____cache_alloc_node+0x1c7/0x1e0 [ 383.273091] 3*128kB [ 383.275760] kmem_cache_alloc_node+0xe3/0x730 [ 383.280237] (M) [ 383.282564] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.287033] 3*256kB [ 383.289013] __alloc_skb+0x119/0x770 [ 383.293233] (M) [ 383.295560] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.299244] 4*512kB [ 383.301242] ? skb_scrub_packet+0x490/0x490 [ 383.306504] (UM) [ 383.308825] ? lock_downgrade+0x900/0x900 [ 383.313130] 3*1024kB [ 383.315189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.319303] (UM) [ 383.321708] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.327220] 3*2048kB [ 383.329282] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.334706] (UM) [ 383.337110] ? addrconf_rs_timer+0x690/0x690 [ 383.342533] 3*4096kB [ 383.344594] ndisc_alloc_skb+0x144/0x340 [ 383.348966] (M) = 25180kB [ 383.351385] ndisc_send_rs+0x331/0x6e0 [ 383.355438] Node 0 [ 383.358190] addrconf_rs_timer+0x314/0x690 [ 383.362052] Normal: [ 383.364287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.368496] 960*4kB [ 383.370826] call_timer_fn+0x272/0x920 [ 383.375023] (MEH) [ 383.377350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.381206] 471*8kB [ 383.383352] ? process_timeout+0x40/0x40 [ 383.387555] (UME) [ 383.389876] ? find_held_lock+0x36/0x1c0 [ 383.393911] 178*16kB [ 383.396056] ? __run_timers+0x7da/0xc70 [ 383.400085] (ME) [ 383.402491] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.406439] 44*32kB [ 383.408499] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.412965] (UME) [ 383.415287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.419753] 1*64kB (U) [ 383.421919] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.426122] 0*128kB 0*256kB [ 383.428714] ? trace_hardirqs_on+0xbd/0x310 [ 383.433274] 2*512kB [ 383.436288] ? kasan_check_read+0x11/0x20 [ 383.440582] (U) [ 383.442905] ? __run_timers+0x7da/0xc70 [ 383.447025] 1*1024kB [ 383.448999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.452945] (U) [ 383.455355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.460780] 0*2048kB 0*4096kB [ 383.462761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.466976] = 13976kB [ 383.470166] __run_timers+0x7e5/0xc70 [ 383.474381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.476799] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.480569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.489396] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.489413] ? rcu_bh_qs+0xc0/0xc0 [ 383.494758] 2889 total pagecache pages [ 383.503333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.508590] 0 pages in swap cache [ 383.512116] ? check_preemption_disabled+0x48/0x200 [ 383.515980] Swap cache stats: add 0, delete 0, find 0/0 [ 383.521509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.524930] Free swap = 0kB [ 383.529943] ? retint_kernel+0x2d/0x2d [ 383.535281] Total swap = 0kB [ 383.540033] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.543023] 1965979 pages RAM [ 383.546909] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.549900] 0 pages HighMem/MovableOnly [ 383.554823] ? trace_hardirqs_off+0x310/0x310 [ 383.557900] 342306 pages reserved [ 383.557908] 0 pages cma reserved [ 383.562662] ? check_preemption_disabled+0x48/0x200 [ 383.566684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.571092] ? graph_lock+0x170/0x170 [ 383.574587] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.577882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.582874] syz-executor1 cpuset= [ 383.589362] ? check_preemption_disabled+0x48/0x200 [ 383.593134] syz1 [ 383.603616] ? __lock_is_held+0xb5/0x140 [ 383.609121] mems_allowed=0 [ 383.612569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.632011] ? check_preemption_disabled+0x48/0x200 [ 383.637042] run_timer_softirq+0x52/0xb0 [ 383.641110] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.646128] __do_softirq+0x30b/0xad8 [ 383.649945] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.655055] ? pvclock_read_flags+0x160/0x160 [ 383.659550] ? lapic_next_event+0x5a/0x90 [ 383.663704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.669246] ? check_preemption_disabled+0x48/0x200 [ 383.674263] ? check_preemption_disabled+0x48/0x200 [ 383.679288] ? kvm_clock_read+0x18/0x30 [ 383.683266] ? kvm_sched_clock_read+0x9/0x20 [ 383.687682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.693221] ? check_preemption_disabled+0x48/0x200 [ 383.698255] irq_exit+0x17f/0x1c0 [ 383.701715] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.706557] ? smp_reschedule_interrupt+0x109/0x650 [ 383.711576] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.717466] ? interrupt_entry+0xb5/0xf0 [ 383.721534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.726552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.731574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.736416] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.741435] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.746453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.751997] ? check_preemption_disabled+0x48/0x200 [ 383.757018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.762572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.767432] apic_timer_interrupt+0xf/0x20 [ 383.771666] [ 383.773910] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.778845] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 383.797761] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 383.805488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.812753] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 383.820025] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 383.827290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.834559] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 383.841880] skb_clone+0x1bb/0x500 [ 383.845423] ? finish_task_switch+0x2f5/0x900 [ 383.849919] ? skb_split+0x11e0/0x11e0 [ 383.853822] ? preempt_notifier_register+0x200/0x200 [ 383.858933] ? __switch_to_asm+0x34/0x70 [ 383.863000] ? __switch_to_asm+0x34/0x70 [ 383.867062] ? __switch_to_asm+0x40/0x70 [ 383.871122] ? __switch_to_asm+0x34/0x70 [ 383.875184] ? __switch_to_asm+0x40/0x70 [ 383.879249] ? __switch_to_asm+0x34/0x70 [ 383.883314] ? __switch_to_asm+0x40/0x70 [ 383.887382] ? __switch_to_asm+0x34/0x70 [ 383.891444] ? __switch_to_asm+0x34/0x70 [ 383.895506] ? __switch_to_asm+0x40/0x70 [ 383.899567] ? __switch_to_asm+0x34/0x70 [ 383.903638] bpf_clone_redirect+0xb9/0x490 [ 383.907879] ? __schedule+0x874/0x1ed0 [ 383.911785] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 383.916810] ? __sched_text_start+0x8/0x8 [ 383.920966] ? retint_kernel+0x2d/0x2d [ 383.924863] ? find_held_lock+0x36/0x1c0 [ 383.928947] ? lock_acquire+0x1ed/0x520 [ 383.932927] ? bpf_test_run+0x3cb/0x780 [ 383.936907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.942450] ? check_preemption_disabled+0x48/0x200 [ 383.947480] ? kasan_check_read+0x11/0x20 [ 383.951802] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.957082] ? rcu_bh_qs+0xc0/0xc0 [ 383.960628] ? preempt_schedule+0x4d/0x60 [ 383.964785] ? ___preempt_schedule+0x16/0x18 [ 383.969205] ? bpf_test_run+0x25d/0x780 [ 383.973191] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.977606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.983141] ? bpf_test_init.isra.9+0x70/0x100 [ 383.987729] ? bpf_prog_test_run_skb+0x634/0xb40 [ 383.992498] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 383.997349] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.002902] ? fput+0x130/0x1a0 [ 384.006189] ? __bpf_prog_get+0x9b/0x290 [ 384.010258] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.015103] ? bpf_prog_test_run+0x130/0x1a0 [ 384.019520] ? __x64_sys_bpf+0x3d8/0x510 [ 384.023581] ? bpf_prog_get+0x20/0x20 [ 384.027405] ? do_syscall_64+0x1b9/0x820 [ 384.031473] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.036842] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.041787] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.046809] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.051832] ? recalc_sigpending_tsk+0x180/0x180 [ 384.056594] ? kasan_check_write+0x14/0x20 [ 384.060849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.065719] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.071115] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 384.071201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.078393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.078399] Call Trace: [ 384.078406] [ 384.078425] dump_stack+0x1c4/0x2b4 [ 384.078442] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.078470] warn_alloc.cold.119+0xb7/0x1bd [ 384.085470] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.094781] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.097342] syz-executor2 cpuset= [ 384.099486] ? lock_downgrade+0x900/0x900 [ 384.103085] syz2 [ 384.108275] ? trace_hardirqs_off+0xb8/0x310 [ 384.112573] mems_allowed=0 [ 384.123051] ? trace_hardirqs_off+0xb8/0x310 [ 384.149129] __alloc_pages_slowpath+0x2667/0x2d80 [ 384.154006] ? warn_alloc+0x120/0x120 [ 384.157830] ? warn_alloc+0x120/0x120 [ 384.161652] ? print_usage_bug+0xc0/0xc0 [ 384.165719] ? warn_alloc+0x120/0x120 [ 384.169525] ? print_usage_bug+0xc0/0xc0 [ 384.173589] ? __lock_acquire+0x7ec/0x4ec0 [ 384.177824] ? __lock_acquire+0x7ec/0x4ec0 [ 384.182066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.187606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.193148] ? should_fail+0x22d/0xd01 [ 384.197044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.202148] ? __lock_acquire+0x7ec/0x4ec0 [ 384.206391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.211505] ? __lock_acquire+0x7ec/0x4ec0 [ 384.215754] ? should_fail+0x22d/0xd01 [ 384.219659] ? mark_held_locks+0x130/0x130 [ 384.223899] ? mark_held_locks+0x130/0x130 [ 384.228141] ? graph_lock+0x170/0x170 [ 384.231946] ? print_usage_bug+0xc0/0xc0 [ 384.236011] ? graph_lock+0x170/0x170 [ 384.239814] ? print_usage_bug+0xc0/0xc0 [ 384.243881] ? wq_watchdog_touch+0x9c/0xfe [ 384.248120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.253659] ? check_preemption_disabled+0x48/0x200 [ 384.258677] ? check_preemption_disabled+0x48/0x200 [ 384.263705] ? __lock_is_held+0xb5/0x140 [ 384.267783] __alloc_pages_nodemask+0xa80/0xde0 [ 384.272460] ? graph_lock+0x170/0x170 [ 384.276269] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.281287] ? graph_lock+0x170/0x170 [ 384.285102] ? find_held_lock+0x36/0x1c0 [ 384.289173] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.293851] ? lock_downgrade+0x900/0x900 [ 384.298010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.303557] cache_grow_begin+0x91/0x8c0 [ 384.307621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 384.312041] fallback_alloc+0x203/0x2e0 [ 384.316031] ____cache_alloc_node+0x1c7/0x1e0 [ 384.320536] kmem_cache_alloc_node+0xe3/0x730 [ 384.325037] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.329291] __alloc_skb+0x119/0x770 [ 384.333016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.338307] ? skb_scrub_packet+0x490/0x490 [ 384.342635] ? lock_downgrade+0x900/0x900 [ 384.346803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.352351] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.357813] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.363269] ? addrconf_rs_timer+0x690/0x690 [ 384.367695] ndisc_alloc_skb+0x144/0x340 [ 384.371765] ndisc_send_rs+0x331/0x6e0 [ 384.375670] addrconf_rs_timer+0x314/0x690 [ 384.379911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.384164] call_timer_fn+0x272/0x920 [ 384.388050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.392293] ? process_timeout+0x40/0x40 [ 384.396352] ? find_held_lock+0x36/0x1c0 [ 384.400424] ? mark_held_locks+0xc7/0x130 [ 384.404579] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.409075] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.413570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.417805] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 384.422398] ? trace_hardirqs_on+0xbd/0x310 [ 384.426724] ? kasan_check_read+0x11/0x20 [ 384.430879] ? __run_timers+0x7da/0xc70 [ 384.434865] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.440323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.444564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.448811] __run_timers+0x7e5/0xc70 [ 384.452636] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 384.458003] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.463026] ? graph_lock+0x170/0x170 [ 384.466844] ? print_usage_bug+0xc0/0xc0 [ 384.470908] ? lock_release+0x970/0x970 [ 384.474892] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.480091] ? find_held_lock+0x36/0x1c0 [ 384.484158] ? graph_lock+0x170/0x170 [ 384.487970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.493513] ? check_preemption_disabled+0x48/0x200 [ 384.498546] ? __lock_is_held+0xb5/0x140 [ 384.502617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.508159] ? check_preemption_disabled+0x48/0x200 [ 384.513186] run_timer_softirq+0x52/0xb0 [ 384.517250] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.522270] __do_softirq+0x30b/0xad8 [ 384.526088] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.531206] ? pvclock_read_flags+0x160/0x160 [ 384.535705] ? lapic_next_event+0x5a/0x90 [ 384.539870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.545412] ? check_preemption_disabled+0x48/0x200 [ 384.550430] ? check_preemption_disabled+0x48/0x200 [ 384.555460] ? kvm_clock_read+0x18/0x30 [ 384.559439] ? kvm_sched_clock_read+0x9/0x20 [ 384.563866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.569412] ? check_preemption_disabled+0x48/0x200 [ 384.574443] irq_exit+0x17f/0x1c0 [ 384.577904] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.582752] ? smp_reschedule_interrupt+0x109/0x650 [ 384.587788] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.593679] ? interrupt_entry+0xb5/0xf0 [ 384.597746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.602792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.607820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.612672] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.617690] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.622714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.628254] ? check_preemption_disabled+0x48/0x200 [ 384.633278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.638833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.643707] apic_timer_interrupt+0xf/0x20 [ 384.647941] [ 384.650189] RIP: 0010:console_unlock+0xfdf/0x1160 [ 384.655038] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 384.673953] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 384.681685] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 384.688976] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 384.696260] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 384.703548] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 384.710830] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 384.718137] ? netconsole_netdev_event+0x280/0x280 [ 384.723085] ? console_unlock+0xfd6/0x1160 [ 384.727353] ? devkmsg_read+0xbb0/0xbb0 [ 384.731331] ? vprintk_emit+0x7f7/0x930 [ 384.735320] ? lock_release+0x970/0x970 [ 384.739301] ? trace_hardirqs_on+0x10/0x310 [ 384.743633] ? vprintk_default+0x28/0x30 [ 384.747698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.753158] ? kasan_check_write+0x14/0x20 [ 384.757397] ? do_raw_spin_lock+0xc1/0x200 [ 384.761646] vprintk_emit+0x33d/0x930 [ 384.765457] ? wake_up_klogd+0x180/0x180 [ 384.769537] ? find_held_lock+0x36/0x1c0 [ 384.773608] ? mark_held_locks+0xc7/0x130 [ 384.777764] vprintk_default+0x28/0x30 [ 384.781665] vprintk_func+0x7e/0x181 [ 384.785385] printk+0xa7/0xcf [ 384.788494] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 384.793254] ? kasan_check_write+0x14/0x20 [ 384.797493] ? do_raw_spin_lock+0xc1/0x200 [ 384.801743] show_free_areas.cold.120+0x1b8e/0x215d [ 384.806803] ? si_meminfo_node+0x260/0x260 [ 384.811051] ? __lock_acquire+0x7ec/0x4ec0 [ 384.815292] ? __lock_acquire+0x7ec/0x4ec0 [ 384.819530] ? __lock_acquire+0x7ec/0x4ec0 [ 384.823780] ? kasan_check_write+0x14/0x20 [ 384.828023] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 384.833834] ? mark_held_locks+0x130/0x130 [ 384.838076] ? mark_held_locks+0x130/0x130 [ 384.842316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.847860] ? graph_lock+0x170/0x170 [ 384.851664] ? put_dec+0x3b/0xf0 [ 384.855034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.860572] ? number+0x972/0xca0 [ 384.864033] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 384.869058] ? find_held_lock+0x36/0x1c0 [ 384.873133] ? serial8250_console_write+0x8b3/0xb10 [ 384.878151] ? lock_downgrade+0x900/0x900 [ 384.882301] ? graph_lock+0x170/0x170 [ 384.886101] ? graph_lock+0x170/0x170 [ 384.889907] ? print_usage_bug+0xc0/0xc0 [ 384.893972] ? do_raw_spin_unlock+0xa7/0x2f0 [ 384.898381] ? trace_hardirqs_on+0x310/0x310 [ 384.902795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.908332] ? wq_watchdog_touch+0x9c/0xfe [ 384.912568] ? io_serial_in+0x11/0x90 [ 384.916377] ? find_held_lock+0x36/0x1c0 [ 384.920468] ? mark_held_locks+0xc7/0x130 [ 384.924621] ? console_unlock+0xfaa/0x1160 [ 384.928863] ? console_unlock+0xfaa/0x1160 [ 384.933100] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.937693] ? vprintk_emit+0x33d/0x930 [ 384.941668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.947122] ? kasan_check_write+0x14/0x20 [ 384.951360] ? do_raw_spin_lock+0xc1/0x200 [ 384.955607] ? netconsole_netdev_event+0x280/0x280 [ 384.960541] ? console_unlock+0x9ba/0x1160 [ 384.964795] ? devkmsg_read+0xbb0/0xbb0 [ 384.968785] ? lock_release+0x970/0x970 [ 384.972783] ? preempt_count_add+0x7d/0x160 [ 384.977107] ? wake_up_klogd+0x11a/0x180 [ 384.981172] ? console_device+0xc0/0xc0 [ 384.985162] ? vprintk_emit+0x268/0x930 [ 384.989146] ? wake_up_klogd+0x180/0x180 [ 384.993206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.997961] ? trace_hardirqs_off+0x310/0x310 [ 385.002457] ? retint_kernel+0x1b/0x2d [ 385.007477] ? trace_hardirqs_on+0x310/0x310 [ 385.011902] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.016669] ? retint_kernel+0x2d/0x2d [ 385.020571] ? arch_local_irq_restore+0x45/0x52 [ 385.025247] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 385.030266] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 385.035033] ? show_mem+0x1e/0x17b [ 385.038576] show_mem+0x34/0x17b [ 385.041954] dump_header+0x2f1/0xf72 [ 385.045681] ? pagefault_out_of_memory+0x197/0x197 [ 385.050620] ? __lock_acquire+0x7ec/0x4ec0 [ 385.054867] ? print_usage_bug+0xc0/0xc0 [ 385.058939] ? graph_lock+0x170/0x170 [ 385.062742] ? print_usage_bug+0xc0/0xc0 [ 385.066808] ? print_usage_bug+0xc0/0xc0 [ 385.070887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.076429] ? find_held_lock+0x36/0x1c0 [ 385.080499] ? mark_held_locks+0xc7/0x130 [ 385.084658] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.089760] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.094880] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.099464] ? trace_hardirqs_on+0xbd/0x310 [ 385.103793] ? kasan_check_read+0x11/0x20 [ 385.107945] ? ___ratelimit+0x36f/0x655 [ 385.111922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.117377] ? trace_hardirqs_on+0x310/0x310 [ 385.121794] ? lock_downgrade+0x900/0x900 [ 385.125952] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.131060] ? ___ratelimit+0xaa/0x655 [ 385.134949] ? idr_get_free+0xec0/0xec0 [ 385.138926] ? kasan_check_write+0x14/0x20 [ 385.143163] ? do_raw_spin_lock+0xc1/0x200 [ 385.147411] oom_kill_process.cold.27+0x10/0x903 [ 385.152168] ? graph_lock+0x170/0x170 [ 385.155980] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 385.161788] ? kasan_check_read+0x11/0x20 [ 385.165944] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.171225] ? oom_evaluate_task+0x540/0x540 [ 385.175637] ? find_held_lock+0x36/0x1c0 [ 385.179705] ? out_of_memory+0x974/0x1430 [ 385.183862] ? lock_downgrade+0x900/0x900 [ 385.188015] ? check_preemption_disabled+0x48/0x200 [ 385.193041] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 385.198848] ? kasan_check_read+0x11/0x20 [ 385.202997] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.208276] ? rcu_bh_qs+0xc0/0xc0 [ 385.211824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.217368] ? oom_evaluate_task+0x302/0x540 [ 385.221793] out_of_memory+0xa84/0x1430 [ 385.225789] ? oom_killer_disable+0x3a0/0x3a0 [ 385.230287] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 385.235221] ? __mutex_add_waiter+0x2a0/0x2a0 [ 385.239730] __alloc_pages_slowpath+0x2318/0x2d80 [ 385.244608] ? warn_alloc+0x120/0x120 [ 385.248417] ? trace_hardirqs_on+0x310/0x310 [ 385.252866] ? print_usage_bug+0xc0/0xc0 [ 385.256928] ? warn_alloc+0x120/0x120 [ 385.260731] ? print_usage_bug+0xc0/0xc0 [ 385.264807] ? print_usage_bug+0xc0/0xc0 [ 385.268870] ? free_one_page+0x1700/0x1700 [ 385.273107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.278647] ? should_fail+0x22d/0xd01 [ 385.282540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.287646] ? __lock_acquire+0x7ec/0x4ec0 [ 385.291913] ? __lock_is_held+0xb5/0x140 [ 385.295984] ? graph_lock+0x170/0x170 [ 385.299796] ? ___might_sleep+0x1ed/0x300 [ 385.303943] ? lock_release+0x970/0x970 [ 385.307921] ? arch_local_save_flags+0x40/0x40 [ 385.312519] ? __might_sleep+0x95/0x190 [ 385.316498] __alloc_pages_nodemask+0xa80/0xde0 [ 385.321170] ? graph_lock+0x170/0x170 [ 385.324975] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.329989] ? graph_lock+0x170/0x170 [ 385.333811] ? mark_held_locks+0xc7/0x130 [ 385.337961] ? find_held_lock+0x36/0x1c0 [ 385.342027] ? cache_grow_begin+0x5a4/0x8c0 [ 385.346355] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.350944] ? trace_hardirqs_on+0xbd/0x310 [ 385.355274] ? fallback_alloc+0x203/0x2e0 [ 385.359425] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.364884] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.370429] cache_grow_begin+0x91/0x8c0 [ 385.374495] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.378916] fallback_alloc+0x203/0x2e0 [ 385.382902] ____cache_alloc_node+0x1c7/0x1e0 [ 385.387405] kmem_cache_alloc_node_trace+0xe7/0x740 [ 385.392437] __kmalloc_node_track_caller+0x33/0x70 [ 385.397370] __kmalloc_reserve.isra.39+0x41/0xe0 [ 385.402137] __alloc_skb+0x155/0x770 [ 385.405864] ? skb_scrub_packet+0x490/0x490 [ 385.410194] ? if_nlmsg_size+0x5d1/0xbb0 [ 385.414261] ? nla_put_ifalias+0x170/0x170 [ 385.418521] ? sk_psock_stop_strp+0x120/0x120 [ 385.423022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.428037] ? netif_tx_stop_all_queues+0xd9/0x110 [ 385.432975] rtmsg_ifinfo_build_skb+0x74/0x190 [ 385.437566] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 385.442419] rtmsg_ifinfo+0x8c/0xa0 [ 385.446056] dev_close_many+0x3be/0x860 [ 385.450046] ? netdev_master_upper_dev_link+0x50/0x50 [ 385.455239] ? find_held_lock+0x36/0x1c0 [ 385.459311] ? __queue_work+0x6be/0x1440 [ 385.463378] ? lock_downgrade+0x900/0x900 [ 385.467535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.473073] ? rtnl_is_locked+0xb5/0xf0 [ 385.477050] ? rtnl_trylock+0x20/0x20 [ 385.480859] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.485270] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 385.489866] rollback_registered_many+0x543/0x1210 [ 385.494812] ? generic_xdp_install+0x4c0/0x4c0 [ 385.499408] ? max_active_store+0x170/0x170 [ 385.503736] ? graph_lock+0x170/0x170 [ 385.507544] ? print_usage_bug+0xc0/0xc0 [ 385.511606] ? print_usage_bug+0xc0/0xc0 [ 385.515671] ? __debug_object_init+0x57d/0x1290 [ 385.520342] ? graph_lock+0x170/0x170 [ 385.524149] ? print_usage_bug+0xc0/0xc0 [ 385.528214] ? find_held_lock+0x36/0x1c0 [ 385.532287] ? mark_held_locks+0xc7/0x130 [ 385.536442] rollback_registered+0x1e9/0x420 [ 385.540861] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 385.545443] ? rollback_registered_many+0x1210/0x1210 [ 385.550635] ? trace_hardirqs_on+0xbd/0x310 [ 385.554960] ? linkwatch_schedule_work+0x150/0x170 [ 385.559894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.565349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.570894] ? rtnl_is_locked+0xb5/0xf0 [ 385.574872] ? rtnl_trylock+0x20/0x20 [ 385.578679] ? queue_delayed_work_on+0x130/0x1f0 [ 385.583441] unregister_netdevice_queue+0x321/0x5e0 [ 385.588463] ? rollback_registered+0x420/0x420 [ 385.593049] ? linkwatch_schedule_work+0x170/0x170 [ 385.597982] ? tun_show_owner+0x170/0x170 [ 385.602133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.607678] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 385.613041] ? __tun_detach+0x6ba/0x15c0 [ 385.617115] __tun_detach+0x11b8/0x15c0 [ 385.621096] ? __call_rcu.constprop.69+0x429/0xbc0 [ 385.626032] ? tun_attach+0x1900/0x1900 [ 385.630015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.635555] ? check_preemption_disabled+0x48/0x200 [ 385.640588] ? graph_lock+0x170/0x170 [ 385.644398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.649941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.655482] ? locks_remove_file+0x3c6/0x5c0 [ 385.659894] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.665434] ? ima_file_free+0x132/0x650 [ 385.669502] ? __lock_is_held+0xb5/0x140 [ 385.673571] ? __tun_detach+0x15c0/0x15c0 [ 385.677723] ? __tun_detach+0x15c0/0x15c0 [ 385.681874] tun_chr_close+0xe3/0x180 [ 385.685680] __fput+0x385/0xa30 [ 385.688972] ? get_max_files+0x20/0x20 [ 385.692871] ? ___might_sleep+0x1ed/0x300 [ 385.697022] ? arch_local_save_flags+0x40/0x40 [ 385.701624] ____fput+0x15/0x20 [ 385.704906] task_work_run+0x1e8/0x2a0 [ 385.708805] ? task_work_cancel+0x240/0x240 [ 385.713143] ? switch_task_namespaces+0xb8/0xd0 [ 385.717818] do_exit+0x1ad7/0x2610 [ 385.721373] ? mm_update_next_owner+0x990/0x990 [ 385.726044] ? print_usage_bug+0xc0/0xc0 [ 385.730106] ? perf_trace_lock+0x14d/0x7a0 [ 385.734346] ? __lock_acquire+0x7ec/0x4ec0 [ 385.738584] ? find_held_lock+0x36/0x1c0 [ 385.742659] ? __lock_acquire+0x7ec/0x4ec0 [ 385.746895] ? mark_held_locks+0x130/0x130 [ 385.751133] ? lock_acquire+0x1ed/0x520 [ 385.755116] ? mark_held_locks+0x130/0x130 [ 385.759350] ? arch_local_save_flags+0x40/0x40 [ 385.763933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.769497] ? __mutex_lock+0x85e/0x1700 [ 385.773560] ? __switch_to_asm+0x40/0x70 [ 385.777624] ? __switch_to_asm+0x34/0x70 [ 385.781686] ? pipe_wait+0x266/0x2c0 [ 385.785409] ? mutex_trylock+0x2b0/0x2b0 [ 385.789487] ? graph_lock+0x170/0x170 [ 385.793291] ? find_held_lock+0x36/0x1c0 [ 385.797355] ? memset+0x31/0x40 [ 385.800647] ? find_held_lock+0x36/0x1c0 [ 385.804720] ? get_signal+0x95b/0x1980 [ 385.808616] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.813112] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.817625] do_group_exit+0x177/0x440 [ 385.821522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.826978] ? __ia32_sys_exit+0x50/0x50 [ 385.831053] get_signal+0x8b0/0x1980 [ 385.834786] ? ptrace_notify+0x130/0x130 [ 385.838857] ? finish_wait+0x430/0x430 [ 385.842746] ? graph_lock+0x170/0x170 [ 385.846565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.852101] ? pipe_read+0x702/0x940 [ 385.855824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.861471] do_signal+0x9c/0x21e0 [ 385.865018] ? __vfs_read+0x11f/0x9b0 [ 385.868827] ? vfs_copy_file_range+0xb90/0xb90 [ 385.873414] ? setup_sigcontext+0x7d0/0x7d0 [ 385.877759] ? exit_to_usermode_loop+0x8c/0x380 [ 385.882457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.888002] exit_to_usermode_loop+0x2e5/0x380 [ 385.892594] ? syscall_slow_exit_work+0x520/0x520 [ 385.897439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.902990] do_syscall_64+0x6be/0x820 [ 385.906883] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.912250] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.917178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.922024] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.927045] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.932071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.936930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.942116] RIP: 0033:0x410fa0 [ 385.945313] Code: Bad RIP value. [ 385.948675] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 385.956792] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 385.964063] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 385.971328] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 385.978593] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 385.985869] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 385.993163] warn_alloc_show_mem: 1 callbacks suppressed [ 385.993175] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 385.993177] Mem-Info: [ 385.993208] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 385.993208] active_file:8 inactive_file:19 isolated_file:0 [ 385.993208] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.993208] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 385.993208] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 385.993208] free:13766 free_pcp:526 free_cma:0 [ 385.998551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.005913] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.008311] Call Trace: [ 386.041264] Node 0 [ 386.050608] [ 386.079125] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 386.082203] dump_stack+0x1c4/0x2b4 [ 386.084411] lowmem_reserve[]: [ 386.086558] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.112216] 0 [ 386.115856] warn_alloc.cold.119+0xb7/0x1bd [ 386.118934] 2819 [ 386.124115] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.125893] 6323 [ 386.130208] ? lock_downgrade+0x900/0x900 [ 386.132244] 6323 [ 386.137087] ? trace_hardirqs_off+0xb8/0x310 [ 386.143263] ? trace_hardirqs_off+0xb8/0x310 [ 386.145310] Node 0 [ 386.149723] __alloc_pages_slowpath+0x2667/0x2d80 [ 386.154127] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 386.156382] ? warn_alloc+0x120/0x120 [ 386.161167] lowmem_reserve[]: [ 386.188323] ? warn_alloc+0x120/0x120 [ 386.192092] 0 [ 386.195199] ? print_usage_bug+0xc0/0xc0 [ 386.198966] 0 [ 386.200762] ? warn_alloc+0x120/0x120 [ 386.204799] 3503 3503 [ 386.206604] ? print_usage_bug+0xc0/0xc0 [ 386.210378] Node 0 [ 386.212872] ? __lock_acquire+0x7ec/0x4ec0 [ 386.216933] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 386.219137] ? __lock_acquire+0x7ec/0x4ec0 [ 386.223337] lowmem_reserve[]: 0 [ 386.251894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.256106] 0 [ 386.259383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.264885] 0 0 [ 386.266695] ? should_fail+0x22d/0xd01 [ 386.272204] Node 0 [ 386.274180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.278039] DMA: [ 386.280270] ? __lock_acquire+0x7ec/0x4ec0 [ 386.285353] 1*4kB [ 386.287410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.291616] (U) [ 386.293764] ? __lock_acquire+0x7ec/0x4ec0 [ 386.298846] 0*8kB [ 386.300817] ? should_fail+0x22d/0xd01 [ 386.305025] 0*16kB [ 386.307171] ? mark_held_locks+0x130/0x130 [ 386.311031] 1*32kB [ 386.313259] ? mark_held_locks+0x130/0x130 [ 386.317469] (U) [ 386.319700] ? graph_lock+0x170/0x170 [ 386.323903] 2*64kB (U) [ 386.325883] ? print_usage_bug+0xc0/0xc0 [ 386.329656] 1*128kB [ 386.332231] ? graph_lock+0x170/0x170 [ 386.336272] (U) [ 386.338594] ? print_usage_bug+0xc0/0xc0 [ 386.342365] 1*256kB (U) [ 386.344350] ? wq_watchdog_touch+0x9c/0xfe [ 386.348374] 0*512kB 1*1024kB [ 386.351054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.355258] (U) [ 386.358360] ? check_preemption_disabled+0x48/0x200 [ 386.363875] 1*2048kB [ 386.365851] ? check_preemption_disabled+0x48/0x200 [ 386.370846] (M) [ 386.373261] ? __lock_is_held+0xb5/0x140 [ 386.378241] 3*4096kB (M) [ 386.380224] __alloc_pages_nodemask+0xa80/0xde0 [ 386.384253] = 15908kB [ 386.387000] ? graph_lock+0x170/0x170 [ 386.391646] Node 0 [ 386.394054] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.397834] DMA32: [ 386.400065] ? graph_lock+0x170/0x170 [ 386.405056] 3*4kB [ 386.407295] ? find_held_lock+0x36/0x1c0 [ 386.411061] (M) [ 386.413210] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.417244] 2*8kB (UM) [ 386.419236] ? lock_downgrade+0x900/0x900 [ 386.423877] 2*16kB [ 386.426460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.430575] (M) [ 386.432814] cache_grow_begin+0x91/0x8c0 [ 386.438326] 3*32kB [ 386.440302] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.444331] (UM) 5*64kB [ 386.446583] fallback_alloc+0x203/0x2e0 [ 386.450953] (UM) 3*128kB [ 386.453632] ____cache_alloc_node+0x1c7/0x1e0 [ 386.457572] (M) 3*256kB [ 386.460336] kmem_cache_alloc_node+0xe3/0x730 [ 386.464805] (M) [ 386.467471] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.471940] 4*512kB [ 386.473919] __alloc_skb+0x119/0x770 [ 386.478119] (UM) [ 386.480442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.484131] 3*1024kB [ 386.486191] ? skb_scrub_packet+0x490/0x490 [ 386.491443] (UM) [ 386.493851] ? lock_downgrade+0x900/0x900 [ 386.498154] 3*2048kB [ 386.500217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.504334] (UM) [ 386.506746] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.512253] 3*4096kB (M) [ 386.514318] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.519745] = 25180kB [ 386.522495] ? addrconf_rs_timer+0x690/0x690 [ 386.527919] Node 0 [ 386.530335] ndisc_alloc_skb+0x144/0x340 [ 386.534705] Normal: 960*4kB [ 386.536944] ndisc_send_rs+0x331/0x6e0 [ 386.540979] (MEH) [ 386.543991] addrconf_rs_timer+0x314/0x690 [ 386.547850] 471*8kB (UME) [ 386.550011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.554216] 178*16kB (ME) [ 386.557072] call_timer_fn+0x272/0x920 [ 386.561268] 44*32kB (UME) [ 386.564112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.567978] 1*64kB [ 386.570819] ? process_timeout+0x40/0x40 [ 386.575024] (U) [ 386.577258] ? find_held_lock+0x36/0x1c0 [ 386.581291] 0*128kB 0*256kB [ 386.583275] ? __run_timers+0x7da/0xc70 [ 386.587310] 2*512kB [ 386.590326] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.594270] (U) [ 386.596587] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.601055] 1*1024kB [ 386.603024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.607497] (U) [ 386.609907] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 386.614112] 0*2048kB 0*4096kB [ 386.616096] ? trace_hardirqs_on+0xbd/0x310 [ 386.620648] = 13976kB [ 386.623839] ? kasan_check_read+0x11/0x20 [ 386.628140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.630538] ? __run_timers+0x7da/0xc70 [ 386.634667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.643499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.647448] 2889 total pagecache pages [ 386.656015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.661443] 0 pages in swap cache [ 386.665317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.669521] Swap cache stats: add 0, delete 0, find 0/0 [ 386.669530] Free swap = 0kB [ 386.672980] __run_timers+0x7e5/0xc70 [ 386.677185] Total swap = 0kB [ 386.682551] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.685535] 1965979 pages RAM [ 386.689330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.692313] 0 pages HighMem/MovableOnly [ 386.692322] 342306 pages reserved [ 386.697694] ? rcu_bh_qs+0xc0/0xc0 [ 386.700780] 0 pages cma reserved [ 386.706050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.710072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.713441] ? check_preemption_disabled+0x48/0x200 [ 386.717064] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.720319] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.725827] syz-executor1 cpuset= [ 386.732330] ? retint_kernel+0x2d/0x2d [ 386.737333] syz1 [ 386.747831] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.752566] mems_allowed=0 [ 386.756014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.774430] ? trace_hardirqs_off+0x310/0x310 [ 386.778933] ? check_preemption_disabled+0x48/0x200 [ 386.783954] ? graph_lock+0x170/0x170 [ 386.787764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.793312] ? check_preemption_disabled+0x48/0x200 [ 386.798352] ? __lock_is_held+0xb5/0x140 [ 386.802421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.807961] ? check_preemption_disabled+0x48/0x200 [ 386.812986] run_timer_softirq+0x52/0xb0 [ 386.817052] ? rcu_read_lock_sched_held+0x108/0x120 [ 386.822074] __do_softirq+0x30b/0xad8 [ 386.825890] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.831003] ? pvclock_read_flags+0x160/0x160 [ 386.835501] ? lapic_next_event+0x5a/0x90 [ 386.839655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.845201] ? check_preemption_disabled+0x48/0x200 [ 386.850222] ? check_preemption_disabled+0x48/0x200 [ 386.855273] ? kvm_clock_read+0x18/0x30 [ 386.859250] ? kvm_sched_clock_read+0x9/0x20 [ 386.863663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.869202] ? check_preemption_disabled+0x48/0x200 [ 386.874236] irq_exit+0x17f/0x1c0 [ 386.877694] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.882538] ? smp_reschedule_interrupt+0x109/0x650 [ 386.887557] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.893443] ? interrupt_entry+0xb5/0xf0 [ 386.897511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.902525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.907547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.912390] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.917403] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.922422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.927967] ? check_preemption_disabled+0x48/0x200 [ 386.932983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.938565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.943416] apic_timer_interrupt+0xf/0x20 [ 386.947645] [ 386.949899] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.954832] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 386.973735] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.981456] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.988724] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 386.995990] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 387.003260] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.010528] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 387.017851] skb_clone+0x1bb/0x500 [ 387.021395] ? finish_task_switch+0x2f5/0x900 [ 387.025892] ? skb_split+0x11e0/0x11e0 [ 387.029788] ? preempt_notifier_register+0x200/0x200 [ 387.034899] ? __switch_to_asm+0x34/0x70 [ 387.038962] ? __switch_to_asm+0x34/0x70 [ 387.043024] ? __switch_to_asm+0x40/0x70 [ 387.047088] ? __switch_to_asm+0x34/0x70 [ 387.051152] ? __switch_to_asm+0x40/0x70 [ 387.055226] ? __switch_to_asm+0x34/0x70 [ 387.059294] ? __switch_to_asm+0x40/0x70 [ 387.063742] ? __switch_to_asm+0x34/0x70 [ 387.067818] ? __switch_to_asm+0x34/0x70 [ 387.071879] ? __switch_to_asm+0x40/0x70 [ 387.075944] ? __switch_to_asm+0x34/0x70 [ 387.080022] bpf_clone_redirect+0xb9/0x490 [ 387.084262] ? __schedule+0x874/0x1ed0 [ 387.088159] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 387.093176] ? __sched_text_start+0x8/0x8 [ 387.097332] ? retint_kernel+0x2d/0x2d [ 387.101236] ? find_held_lock+0x36/0x1c0 [ 387.105320] ? lock_acquire+0x1ed/0x520 [ 387.109295] ? bpf_test_run+0x3cb/0x780 [ 387.113289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.118827] ? check_preemption_disabled+0x48/0x200 [ 387.123854] ? kasan_check_read+0x11/0x20 [ 387.128006] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.133290] ? rcu_bh_qs+0xc0/0xc0 [ 387.136834] ? preempt_schedule+0x4d/0x60 [ 387.140997] ? ___preempt_schedule+0x16/0x18 [ 387.145419] ? bpf_test_run+0x25d/0x780 [ 387.149410] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.153827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.159372] ? bpf_test_init.isra.9+0x70/0x100 [ 387.163961] ? bpf_prog_test_run_skb+0x634/0xb40 [ 387.168733] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 387.173582] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.179142] ? fput+0x130/0x1a0 [ 387.182424] ? __bpf_prog_get+0x9b/0x290 [ 387.186492] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 387.191334] ? bpf_prog_test_run+0x130/0x1a0 [ 387.195755] ? __x64_sys_bpf+0x3d8/0x510 [ 387.199828] ? bpf_prog_get+0x20/0x20 [ 387.203657] ? do_syscall_64+0x1b9/0x820 [ 387.207724] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.213095] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.218029] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.223051] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.228070] ? recalc_sigpending_tsk+0x180/0x180 [ 387.232832] ? kasan_check_write+0x14/0x20 [ 387.237078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.241935] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.247321] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 387.247413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.254598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.254607] Call Trace: [ 387.261179] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.270423] [ 387.272992] syz-executor2 cpuset= [ 387.283472] dump_stack+0x1c4/0x2b4 [ 387.285599] syz2 [ 387.289045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.292648] mems_allowed=0 [ 387.294630] warn_alloc.cold.119+0xb7/0x1bd [ 387.307026] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.311878] ? lock_downgrade+0x900/0x900 [ 387.316035] ? trace_hardirqs_off+0xb8/0x310 [ 387.320453] ? trace_hardirqs_off+0xb8/0x310 [ 387.324876] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.329750] ? warn_alloc+0x120/0x120 [ 387.333560] ? trace_hardirqs_on+0x310/0x310 [ 387.337969] ? warn_alloc+0x120/0x120 [ 387.341801] ? print_usage_bug+0xc0/0xc0 [ 387.345879] ? warn_alloc+0x120/0x120 [ 387.349678] ? ktime_get+0x2e1/0x440 [ 387.353407] ? print_usage_bug+0xc0/0xc0 [ 387.357470] ? __lock_acquire+0x7ec/0x4ec0 [ 387.361704] ? __lock_acquire+0x7ec/0x4ec0 [ 387.365944] ? kasan_check_read+0x11/0x20 [ 387.370098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.375636] ? should_fail+0x22d/0xd01 [ 387.379534] ? rcu_bh_qs+0xc0/0xc0 [ 387.383078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.388200] ? __lock_acquire+0x7ec/0x4ec0 [ 387.392452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.397552] ? __lock_acquire+0x7ec/0x4ec0 [ 387.401810] ? should_fail+0x22d/0xd01 [ 387.405721] ? rcu_idle_enter+0x4b0/0x4b0 [ 387.409878] ? mark_held_locks+0x130/0x130 [ 387.414122] ? mark_held_locks+0x130/0x130 [ 387.418364] ? mark_held_locks+0xc7/0x130 [ 387.422510] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.427526] ? graph_lock+0x170/0x170 [ 387.431326] ? print_usage_bug+0xc0/0xc0 [ 387.435405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.440957] ? check_preemption_disabled+0x48/0x200 [ 387.445978] ? check_preemption_disabled+0x48/0x200 [ 387.451010] ? __lock_is_held+0xb5/0x140 [ 387.455084] __alloc_pages_nodemask+0xa80/0xde0 [ 387.459756] ? graph_lock+0x170/0x170 [ 387.463571] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.468585] ? graph_lock+0x170/0x170 [ 387.472397] ? find_held_lock+0x36/0x1c0 [ 387.476469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.481139] ? lock_downgrade+0x900/0x900 [ 387.485295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.490848] cache_grow_begin+0x91/0x8c0 [ 387.494916] ? do_raw_spin_unlock+0xa7/0x2f0 [ 387.499332] fallback_alloc+0x203/0x2e0 [ 387.503315] ____cache_alloc_node+0x1c7/0x1e0 [ 387.507815] kmem_cache_alloc_node+0xe3/0x730 [ 387.512318] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.516582] __alloc_skb+0x119/0x770 [ 387.520329] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.525611] ? skb_scrub_packet+0x490/0x490 [ 387.529932] ? lock_downgrade+0x900/0x900 [ 387.534089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.539629] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.545084] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.550533] ? addrconf_rs_timer+0x690/0x690 [ 387.554959] ndisc_alloc_skb+0x144/0x340 [ 387.559024] ndisc_send_rs+0x331/0x6e0 [ 387.562918] addrconf_rs_timer+0x314/0x690 [ 387.567157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.571409] call_timer_fn+0x272/0x920 [ 387.575298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.579535] ? process_timeout+0x40/0x40 [ 387.583596] ? find_held_lock+0x36/0x1c0 [ 387.587680] ? mark_held_locks+0xc7/0x130 [ 387.591834] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.596335] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.600826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.605067] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 387.609652] ? trace_hardirqs_on+0xbd/0x310 [ 387.613973] ? kasan_check_read+0x11/0x20 [ 387.618125] ? __run_timers+0x7da/0xc70 [ 387.622103] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.627556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.631801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.636037] __run_timers+0x7e5/0xc70 [ 387.639860] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 387.645232] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.650251] ? graph_lock+0x170/0x170 [ 387.654059] ? print_usage_bug+0xc0/0xc0 [ 387.658120] ? lock_release+0x970/0x970 [ 387.662097] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.667292] ? find_held_lock+0x36/0x1c0 [ 387.671358] ? graph_lock+0x170/0x170 [ 387.675165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.680706] ? check_preemption_disabled+0x48/0x200 [ 387.685729] ? __lock_is_held+0xb5/0x140 [ 387.689799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.695366] ? check_preemption_disabled+0x48/0x200 [ 387.700438] run_timer_softirq+0x52/0xb0 [ 387.704497] ? rcu_read_lock_sched_held+0x108/0x120 [ 387.709513] __do_softirq+0x30b/0xad8 [ 387.713324] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 387.718436] ? pvclock_read_flags+0x160/0x160 [ 387.722950] ? lapic_next_event+0x5a/0x90 [ 387.727101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.732642] ? check_preemption_disabled+0x48/0x200 [ 387.737661] ? check_preemption_disabled+0x48/0x200 [ 387.742685] ? kvm_clock_read+0x18/0x30 [ 387.746661] ? kvm_sched_clock_read+0x9/0x20 [ 387.751073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.756610] ? check_preemption_disabled+0x48/0x200 [ 387.761637] irq_exit+0x17f/0x1c0 [ 387.765092] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.769932] ? smp_reschedule_interrupt+0x109/0x650 [ 387.774949] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.780835] ? interrupt_entry+0xb5/0xf0 [ 387.784908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.789924] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.794942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.799792] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.804846] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.809881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.815417] ? check_preemption_disabled+0x48/0x200 [ 387.820430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.825973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.830825] apic_timer_interrupt+0xf/0x20 [ 387.835061] [ 387.837305] RIP: 0010:console_unlock+0xfdf/0x1160 [ 387.842151] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 387.861048] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 387.868759] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 387.876033] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 387.883312] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 387.890610] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 387.897880] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 387.905161] ? netconsole_netdev_event+0x280/0x280 [ 387.910101] ? console_unlock+0xfd6/0x1160 [ 387.914360] ? devkmsg_read+0xbb0/0xbb0 [ 387.918366] ? vprintk_emit+0x7f7/0x930 [ 387.922371] ? lock_release+0x970/0x970 [ 387.926351] ? trace_hardirqs_on+0x10/0x310 [ 387.930673] ? vprintk_default+0x28/0x30 [ 387.934743] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.940208] ? kasan_check_write+0x14/0x20 [ 387.944449] ? do_raw_spin_lock+0xc1/0x200 [ 387.948695] vprintk_emit+0x33d/0x930 [ 387.952967] ? wake_up_klogd+0x180/0x180 [ 387.957047] ? find_held_lock+0x36/0x1c0 [ 387.961117] ? mark_held_locks+0xc7/0x130 [ 387.965271] vprintk_default+0x28/0x30 [ 387.969159] vprintk_func+0x7e/0x181 [ 387.972876] printk+0xa7/0xcf [ 387.975985] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 387.980746] ? kasan_check_write+0x14/0x20 [ 387.984991] ? do_raw_spin_lock+0xc1/0x200 [ 387.989241] show_free_areas.cold.120+0x1b8e/0x215d [ 387.994282] ? si_meminfo_node+0x260/0x260 [ 387.998518] ? __lock_acquire+0x7ec/0x4ec0 [ 388.002763] ? __lock_acquire+0x7ec/0x4ec0 [ 388.007012] ? __lock_acquire+0x7ec/0x4ec0 [ 388.011276] ? kasan_check_write+0x14/0x20 [ 388.015510] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 388.021323] ? mark_held_locks+0x130/0x130 [ 388.025560] ? mark_held_locks+0x130/0x130 [ 388.029806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.035344] ? graph_lock+0x170/0x170 [ 388.039150] ? put_dec+0x3b/0xf0 [ 388.042523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.048059] ? number+0x972/0xca0 [ 388.051514] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 388.056533] ? find_held_lock+0x36/0x1c0 [ 388.060604] ? serial8250_console_write+0x8b3/0xb10 [ 388.065620] ? lock_downgrade+0x900/0x900 [ 388.069768] ? graph_lock+0x170/0x170 [ 388.073577] ? graph_lock+0x170/0x170 [ 388.077384] ? print_usage_bug+0xc0/0xc0 [ 388.081556] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.085966] ? trace_hardirqs_on+0x310/0x310 [ 388.090378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.095918] ? wq_watchdog_touch+0x9c/0xfe [ 388.100157] ? io_serial_in+0x11/0x90 [ 388.103970] ? find_held_lock+0x36/0x1c0 [ 388.108044] ? mark_held_locks+0xc7/0x130 [ 388.112198] ? console_unlock+0xfaa/0x1160 [ 388.116449] ? console_unlock+0xfaa/0x1160 [ 388.120689] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.125281] ? vprintk_emit+0x33d/0x930 [ 388.129258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.134741] ? kasan_check_write+0x14/0x20 [ 388.138997] ? do_raw_spin_lock+0xc1/0x200 [ 388.143239] ? netconsole_netdev_event+0x280/0x280 [ 388.148174] ? console_unlock+0x9ba/0x1160 [ 388.152451] ? devkmsg_read+0xbb0/0xbb0 [ 388.156443] ? lock_release+0x970/0x970 [ 388.160435] ? preempt_count_add+0x7d/0x160 [ 388.164761] ? wake_up_klogd+0x11a/0x180 [ 388.168837] ? console_device+0xc0/0xc0 [ 388.172835] ? vprintk_emit+0x268/0x930 [ 388.176824] ? wake_up_klogd+0x180/0x180 [ 388.180890] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.185646] ? trace_hardirqs_off+0x310/0x310 [ 388.190141] ? retint_kernel+0x1b/0x2d [ 388.194033] ? trace_hardirqs_on+0x310/0x310 [ 388.198457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.203252] ? retint_kernel+0x2d/0x2d [ 388.207152] ? arch_local_irq_restore+0x45/0x52 [ 388.211824] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 388.216855] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 388.221623] ? show_mem+0x1e/0x17b [ 388.225169] show_mem+0x34/0x17b [ 388.228544] dump_header+0x2f1/0xf72 [ 388.232272] ? pagefault_out_of_memory+0x197/0x197 [ 388.237211] ? __lock_acquire+0x7ec/0x4ec0 [ 388.241455] ? print_usage_bug+0xc0/0xc0 [ 388.245525] ? graph_lock+0x170/0x170 [ 388.249325] ? print_usage_bug+0xc0/0xc0 [ 388.253386] ? print_usage_bug+0xc0/0xc0 [ 388.257455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.262997] ? find_held_lock+0x36/0x1c0 [ 388.267071] ? mark_held_locks+0xc7/0x130 [ 388.271227] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.276344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.281448] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.286035] ? trace_hardirqs_on+0xbd/0x310 [ 388.290359] ? kasan_check_read+0x11/0x20 [ 388.294510] ? ___ratelimit+0x36f/0x655 [ 388.298491] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.303946] ? trace_hardirqs_on+0x310/0x310 [ 388.308357] ? lock_downgrade+0x900/0x900 [ 388.312513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.317623] ? ___ratelimit+0xaa/0x655 [ 388.321514] ? idr_get_free+0xec0/0xec0 [ 388.325492] ? kasan_check_write+0x14/0x20 [ 388.329729] ? do_raw_spin_lock+0xc1/0x200 [ 388.333972] oom_kill_process.cold.27+0x10/0x903 [ 388.338734] ? graph_lock+0x170/0x170 [ 388.342545] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 388.348341] ? kasan_check_read+0x11/0x20 [ 388.352606] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.358062] ? oom_evaluate_task+0x540/0x540 [ 388.362480] ? find_held_lock+0x36/0x1c0 [ 388.366550] ? out_of_memory+0x974/0x1430 [ 388.370698] ? lock_downgrade+0x900/0x900 [ 388.374857] ? check_preemption_disabled+0x48/0x200 [ 388.379896] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 388.385696] ? kasan_check_read+0x11/0x20 [ 388.389852] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.395131] ? rcu_bh_qs+0xc0/0xc0 [ 388.398682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.404220] ? oom_evaluate_task+0x302/0x540 [ 388.408634] out_of_memory+0xa84/0x1430 [ 388.412623] ? oom_killer_disable+0x3a0/0x3a0 [ 388.417122] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 388.422059] ? __mutex_add_waiter+0x2a0/0x2a0 [ 388.426569] __alloc_pages_slowpath+0x2318/0x2d80 [ 388.431448] ? warn_alloc+0x120/0x120 [ 388.435260] ? trace_hardirqs_on+0x310/0x310 [ 388.439679] ? print_usage_bug+0xc0/0xc0 [ 388.443741] ? warn_alloc+0x120/0x120 [ 388.447550] ? print_usage_bug+0xc0/0xc0 [ 388.451617] ? print_usage_bug+0xc0/0xc0 [ 388.455678] ? free_one_page+0x1700/0x1700 [ 388.459916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.465459] ? should_fail+0x22d/0xd01 [ 388.469362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.474492] ? __lock_acquire+0x7ec/0x4ec0 [ 388.478754] ? __lock_is_held+0xb5/0x140 [ 388.482831] ? graph_lock+0x170/0x170 [ 388.486641] ? ___might_sleep+0x1ed/0x300 [ 388.490793] ? lock_release+0x970/0x970 [ 388.494769] ? arch_local_save_flags+0x40/0x40 [ 388.499386] ? __might_sleep+0x95/0x190 [ 388.503402] __alloc_pages_nodemask+0xa80/0xde0 [ 388.508072] ? graph_lock+0x170/0x170 [ 388.511892] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 388.516909] ? graph_lock+0x170/0x170 [ 388.520726] ? mark_held_locks+0xc7/0x130 [ 388.524877] ? find_held_lock+0x36/0x1c0 [ 388.528948] ? cache_grow_begin+0x5a4/0x8c0 [ 388.533268] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.537873] ? trace_hardirqs_on+0xbd/0x310 [ 388.542226] ? fallback_alloc+0x203/0x2e0 [ 388.546375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.551831] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.557378] cache_grow_begin+0x91/0x8c0 [ 388.561442] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.565866] fallback_alloc+0x203/0x2e0 [ 388.569858] ____cache_alloc_node+0x1c7/0x1e0 [ 388.574364] kmem_cache_alloc_node_trace+0xe7/0x740 [ 388.579426] __kmalloc_node_track_caller+0x33/0x70 [ 388.584367] __kmalloc_reserve.isra.39+0x41/0xe0 [ 388.589128] __alloc_skb+0x155/0x770 [ 388.592851] ? skb_scrub_packet+0x490/0x490 [ 388.597175] ? if_nlmsg_size+0x5d1/0xbb0 [ 388.601240] ? nla_put_ifalias+0x170/0x170 [ 388.605492] ? sk_psock_stop_strp+0x120/0x120 [ 388.610029] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.615052] ? netif_tx_stop_all_queues+0xd9/0x110 [ 388.619986] rtmsg_ifinfo_build_skb+0x74/0x190 [ 388.624580] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 388.629433] rtmsg_ifinfo+0x8c/0xa0 [ 388.633066] dev_close_many+0x3be/0x860 [ 388.637053] ? netdev_master_upper_dev_link+0x50/0x50 [ 388.642252] ? find_held_lock+0x36/0x1c0 [ 388.646323] ? __queue_work+0x6be/0x1440 [ 388.650390] ? lock_downgrade+0x900/0x900 [ 388.654546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.660084] ? rtnl_is_locked+0xb5/0xf0 [ 388.664061] ? rtnl_trylock+0x20/0x20 [ 388.667897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.672309] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 388.676897] rollback_registered_many+0x543/0x1210 [ 388.681839] ? generic_xdp_install+0x4c0/0x4c0 [ 388.686433] ? max_active_store+0x170/0x170 [ 388.690757] ? graph_lock+0x170/0x170 [ 388.694565] ? print_usage_bug+0xc0/0xc0 [ 388.698627] ? print_usage_bug+0xc0/0xc0 [ 388.702705] ? __debug_object_init+0x57d/0x1290 [ 388.707376] ? graph_lock+0x170/0x170 [ 388.711177] ? print_usage_bug+0xc0/0xc0 [ 388.715302] ? find_held_lock+0x36/0x1c0 [ 388.719378] ? mark_held_locks+0xc7/0x130 [ 388.723530] rollback_registered+0x1e9/0x420 [ 388.727936] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 388.732519] ? rollback_registered_many+0x1210/0x1210 [ 388.737710] ? trace_hardirqs_on+0xbd/0x310 [ 388.742036] ? linkwatch_schedule_work+0x150/0x170 [ 388.746969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.752454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.758026] ? rtnl_is_locked+0xb5/0xf0 [ 388.762002] ? rtnl_trylock+0x20/0x20 [ 388.765812] ? queue_delayed_work_on+0x130/0x1f0 [ 388.770579] unregister_netdevice_queue+0x321/0x5e0 [ 388.775597] ? rollback_registered+0x420/0x420 [ 388.780180] ? linkwatch_schedule_work+0x170/0x170 [ 388.785116] ? tun_show_owner+0x170/0x170 [ 388.789271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.794813] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 388.800179] ? __tun_detach+0x6ba/0x15c0 [ 388.804292] __tun_detach+0x11b8/0x15c0 [ 388.808298] ? __call_rcu.constprop.69+0x429/0xbc0 [ 388.813237] ? tun_attach+0x1900/0x1900 [ 388.817212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.822755] ? check_preemption_disabled+0x48/0x200 [ 388.827800] ? graph_lock+0x170/0x170 [ 388.831603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.837145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.842683] ? locks_remove_file+0x3c6/0x5c0 [ 388.847093] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 388.852630] ? ima_file_free+0x132/0x650 [ 388.856696] ? __lock_is_held+0xb5/0x140 [ 388.860760] ? __tun_detach+0x15c0/0x15c0 [ 388.864919] ? __tun_detach+0x15c0/0x15c0 [ 388.869067] tun_chr_close+0xe3/0x180 [ 388.872878] __fput+0x385/0xa30 [ 388.876167] ? get_max_files+0x20/0x20 [ 388.880063] ? ___might_sleep+0x1ed/0x300 [ 388.884215] ? arch_local_save_flags+0x40/0x40 [ 388.888818] ____fput+0x15/0x20 [ 388.892106] task_work_run+0x1e8/0x2a0 [ 388.895998] ? task_work_cancel+0x240/0x240 [ 388.900326] ? switch_task_namespaces+0xb8/0xd0 [ 388.905007] do_exit+0x1ad7/0x2610 [ 388.908559] ? mm_update_next_owner+0x990/0x990 [ 388.913227] ? print_usage_bug+0xc0/0xc0 [ 388.917289] ? perf_trace_lock+0x14d/0x7a0 [ 388.921530] ? __lock_acquire+0x7ec/0x4ec0 [ 388.925768] ? find_held_lock+0x36/0x1c0 [ 388.929862] ? __lock_acquire+0x7ec/0x4ec0 [ 388.934103] ? mark_held_locks+0x130/0x130 [ 388.938349] ? lock_acquire+0x1ed/0x520 [ 388.942363] ? mark_held_locks+0x130/0x130 [ 388.946633] ? arch_local_save_flags+0x40/0x40 [ 388.951217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.956784] ? __mutex_lock+0x85e/0x1700 [ 388.960852] ? __switch_to_asm+0x40/0x70 [ 388.964918] ? __switch_to_asm+0x34/0x70 [ 388.968978] ? pipe_wait+0x266/0x2c0 [ 388.972708] ? mutex_trylock+0x2b0/0x2b0 [ 388.976792] ? graph_lock+0x170/0x170 [ 388.980598] ? find_held_lock+0x36/0x1c0 [ 388.984663] ? memset+0x31/0x40 [ 388.987949] ? find_held_lock+0x36/0x1c0 [ 388.992021] ? get_signal+0x95b/0x1980 [ 388.995917] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.000414] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.004933] do_group_exit+0x177/0x440 [ 389.008835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.014314] ? __ia32_sys_exit+0x50/0x50 [ 389.018390] get_signal+0x8b0/0x1980 [ 389.022117] ? ptrace_notify+0x130/0x130 [ 389.026184] ? finish_wait+0x430/0x430 [ 389.030075] ? graph_lock+0x170/0x170 [ 389.033886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.039572] ? pipe_read+0x702/0x940 [ 389.043303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.048863] do_signal+0x9c/0x21e0 [ 389.052404] ? __vfs_read+0x11f/0x9b0 [ 389.056213] ? vfs_copy_file_range+0xb90/0xb90 [ 389.060808] ? setup_sigcontext+0x7d0/0x7d0 [ 389.065156] ? exit_to_usermode_loop+0x8c/0x380 [ 389.069849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.075425] exit_to_usermode_loop+0x2e5/0x380 [ 389.080027] ? syscall_slow_exit_work+0x520/0x520 [ 389.084871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.090420] do_syscall_64+0x6be/0x820 [ 389.094327] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.099708] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.104640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.109490] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.114513] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.119538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.124391] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.129585] RIP: 0033:0x410fa0 [ 389.132798] Code: Bad RIP value. [ 389.136161] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 389.143870] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 389.151137] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 389.158402] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 389.165665] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 389.172930] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 389.180245] warn_alloc_show_mem: 1 callbacks suppressed [ 389.180257] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 389.180259] Mem-Info: [ 389.180306] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 389.180306] active_file:8 inactive_file:19 isolated_file:0 [ 389.180306] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.180306] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 389.180306] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 389.180306] free:13766 free_pcp:526 free_cma:0 [ 389.185658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.193018] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.195411] Call Trace: [ 389.228358] Node 0 [ 389.237703] [ 389.265468] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 389.268024] dump_stack+0x1c4/0x2b4 [ 389.270228] lowmem_reserve[]: [ 389.272376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.297857] 0 [ 389.301492] warn_alloc.cold.119+0xb7/0x1bd [ 389.304557] 2819 6323 [ 389.309751] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.311520] 6323 [ 389.315868] ? lock_downgrade+0x900/0x900 [ 389.318337] Node 0 [ 389.323179] ? trace_hardirqs_off+0xb8/0x310 [ 389.325238] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 389.329363] ? trace_hardirqs_off+0xb8/0x310 [ 389.331571] lowmem_reserve[]: [ 389.336006] __alloc_pages_slowpath+0x2667/0x2d80 [ 389.363124] 0 0 [ 389.367561] ? warn_alloc+0x120/0x120 [ 389.370613] 3503 [ 389.375451] ? trace_hardirqs_on+0x310/0x310 [ 389.377399] 3503 [ 389.381193] ? warn_alloc+0x120/0x120 [ 389.387632] ? print_usage_bug+0xc0/0xc0 [ 389.389670] Node 0 [ 389.393473] ? warn_alloc+0x120/0x120 [ 389.397535] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 389.399741] ? ktime_get+0x2e1/0x440 [ 389.403509] lowmem_reserve[]: 0 [ 389.432057] ? print_usage_bug+0xc0/0xc0 [ 389.435747] 0 [ 389.439019] ? __lock_acquire+0x7ec/0x4ec0 [ 389.443050] 0 0 [ 389.444864] ? __lock_acquire+0x7ec/0x4ec0 [ 389.451043] ? kasan_check_read+0x11/0x20 [ 389.455251] Node 0 [ 389.459389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.459399] DMA: [ 389.461633] ? should_fail+0x22d/0xd01 [ 389.467142] 1*4kB [ 389.469198] ? rcu_bh_qs+0xc0/0xc0 [ 389.473060] (U) [ 389.475222] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.478732] 0*8kB 0*16kB [ 389.480712] ? __lock_acquire+0x7ec/0x4ec0 [ 389.485797] 1*32kB [ 389.488553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.492762] (U) [ 389.494997] ? __lock_acquire+0x7ec/0x4ec0 [ 389.500083] 2*64kB (U) [ 389.502074] ? should_fail+0x22d/0xd01 [ 389.506277] 1*128kB (U) [ 389.508869] ? rcu_idle_enter+0x4b0/0x4b0 [ 389.512728] 1*256kB [ 389.515400] ? mark_held_locks+0x130/0x130 [ 389.519548] (U) [ 389.521865] ? mark_held_locks+0x130/0x130 [ 389.526076] 0*512kB [ 389.528067] ? mark_held_locks+0xc7/0x130 [ 389.532273] 1*1024kB [ 389.534620] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.538740] (U) [ 389.541142] ? graph_lock+0x170/0x170 [ 389.546132] 1*2048kB [ 389.548099] ? print_usage_bug+0xc0/0xc0 [ 389.551872] (M) [ 389.554283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.558313] 3*4096kB [ 389.560288] ? check_preemption_disabled+0x48/0x200 [ 389.565807] (M) [ 389.568213] ? check_preemption_disabled+0x48/0x200 [ 389.568239] ? __lock_is_held+0xb5/0x140 [ 389.573227] = 15908kB [ 389.575203] __alloc_pages_nodemask+0xa80/0xde0 [ 389.580187] Node 0 [ 389.584243] ? graph_lock+0x170/0x170 [ 389.586632] DMA32: [ 389.591297] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.593509] 3*4kB [ 389.597305] ? graph_lock+0x170/0x170 [ 389.599516] (M) [ 389.604543] ? find_held_lock+0x36/0x1c0 [ 389.606664] 2*8kB [ 389.610465] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.612422] (UM) [ 389.616478] ? lock_downgrade+0x900/0x900 [ 389.618597] 2*16kB (M) [ 389.623269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.625301] 3*32kB (UM) [ 389.629453] cache_grow_begin+0x91/0x8c0 [ 389.632011] 5*64kB [ 389.637543] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.640191] (UM) [ 389.644252] fallback_alloc+0x203/0x2e0 [ 389.646457] 3*128kB (M) [ 389.650875] ____cache_alloc_node+0x1c7/0x1e0 [ 389.652910] 3*256kB [ 389.656879] kmem_cache_alloc_node+0xe3/0x730 [ 389.659525] (M) [ 389.664015] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.666314] 4*512kB [ 389.670817] __alloc_skb+0x119/0x770 [ 389.672762] (UM) [ 389.676999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.679297] 3*1024kB [ 389.683007] ? skb_scrub_packet+0x490/0x490 [ 389.685043] (UM) [ 389.690317] ? lock_downgrade+0x900/0x900 [ 389.692706] 3*2048kB [ 389.697024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.699058] (UM) [ 389.703205] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.705592] 3*4096kB [ 389.711123] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.713160] (M) [ 389.718605] ? addrconf_rs_timer+0x690/0x690 [ 389.720989] = 25180kB [ 389.726438] ndisc_alloc_skb+0x144/0x340 [ 389.728380] Node 0 [ 389.732792] ndisc_send_rs+0x331/0x6e0 [ 389.735174] Normal: [ 389.739227] addrconf_rs_timer+0x314/0x690 [ 389.741439] 960*4kB [ 389.745316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.747615] (MEH) [ 389.751852] call_timer_fn+0x272/0x920 [ 389.754148] 471*8kB [ 389.758377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.760501] (UME) [ 389.764386] ? process_timeout+0x40/0x40 [ 389.766679] 178*16kB (ME) [ 389.770914] ? find_held_lock+0x36/0x1c0 [ 389.773042] 44*32kB [ 389.777099] ? __run_timers+0x7da/0xc70 [ 389.779912] (UME) [ 389.783972] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.786264] 1*64kB (U) [ 389.790244] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.792368] 0*128kB [ 389.796862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.799422] 0*256kB [ 389.803913] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.806211] 2*512kB [ 389.810438] ? trace_hardirqs_on+0xbd/0x310 [ 389.812738] (U) [ 389.817313] ? kasan_check_read+0x11/0x20 [ 389.819612] 1*1024kB [ 389.823925] ? __run_timers+0x7da/0xc70 [ 389.825874] (U) [ 389.830020] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.832403] 0*2048kB [ 389.836371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.838327] 0*4096kB [ 389.843783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.846168] = 13976kB [ 389.850393] __run_timers+0x7e5/0xc70 [ 389.852801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.857036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.859416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.863205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.872009] 2889 total pagecache pages [ 389.877368] ? rcu_bh_qs+0xc0/0xc0 [ 389.885926] 0 pages in swap cache [ 389.891187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.895052] Swap cache stats: add 0, delete 0, find 0/0 [ 389.898582] ? check_preemption_disabled+0x48/0x200 [ 389.902009] Free swap = 0kB [ 389.907559] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.912883] Total swap = 0kB [ 389.912892] 1965979 pages RAM [ 389.917902] ? retint_kernel+0x2d/0x2d [ 389.920890] 0 pages HighMem/MovableOnly [ 389.920899] 342306 pages reserved [ 389.925646] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.928639] 0 pages cma reserved [ 389.931750] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.935707] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.939597] ? trace_hardirqs_off+0x310/0x310 [ 389.939614] ? check_preemption_disabled+0x48/0x200 [ 389.939629] ? graph_lock+0x170/0x170 [ 389.939648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.943148] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.948009] ? check_preemption_disabled+0x48/0x200 [ 389.951823] syz-executor1 cpuset= [ 389.956602] ? __lock_is_held+0xb5/0x140 [ 389.963055] syz1 [ 389.967553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.972545] mems_allowed=0 [ 389.976339] ? check_preemption_disabled+0x48/0x200 [ 390.020236] run_timer_softirq+0x52/0xb0 [ 390.024300] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.029317] __do_softirq+0x30b/0xad8 [ 390.033140] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.038252] ? pvclock_read_flags+0x160/0x160 [ 390.042751] ? lapic_next_event+0x5a/0x90 [ 390.046912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.052456] ? check_preemption_disabled+0x48/0x200 [ 390.057474] ? check_preemption_disabled+0x48/0x200 [ 390.062503] ? kvm_clock_read+0x18/0x30 [ 390.066480] ? kvm_sched_clock_read+0x9/0x20 [ 390.070899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.076439] ? check_preemption_disabled+0x48/0x200 [ 390.082383] irq_exit+0x17f/0x1c0 [ 390.085847] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.090689] ? smp_reschedule_interrupt+0x109/0x650 [ 390.095707] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.101598] ? interrupt_entry+0xb5/0xf0 [ 390.105662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.110677] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.115696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.120544] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.125561] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.130581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.136121] ? check_preemption_disabled+0x48/0x200 [ 390.141144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.146694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.151547] apic_timer_interrupt+0xf/0x20 [ 390.155788] [ 390.158032] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.162964] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 390.181870] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.189583] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.196852] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 390.204124] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 390.211391] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.218660] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 390.225981] skb_clone+0x1bb/0x500 [ 390.229530] ? finish_task_switch+0x2f5/0x900 [ 390.234031] ? skb_split+0x11e0/0x11e0 [ 390.237923] ? preempt_notifier_register+0x200/0x200 [ 390.243028] ? __switch_to_asm+0x34/0x70 [ 390.247090] ? __switch_to_asm+0x34/0x70 [ 390.251152] ? __switch_to_asm+0x40/0x70 [ 390.255215] ? __switch_to_asm+0x34/0x70 [ 390.259276] ? __switch_to_asm+0x40/0x70 [ 390.263340] ? __switch_to_asm+0x34/0x70 [ 390.267405] ? __switch_to_asm+0x40/0x70 [ 390.271468] ? __switch_to_asm+0x34/0x70 [ 390.275533] ? __switch_to_asm+0x34/0x70 [ 390.279592] ? __switch_to_asm+0x40/0x70 [ 390.283657] ? __switch_to_asm+0x34/0x70 [ 390.287728] bpf_clone_redirect+0xb9/0x490 [ 390.291968] ? __schedule+0x874/0x1ed0 [ 390.295862] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 390.300881] ? __sched_text_start+0x8/0x8 [ 390.305037] ? retint_kernel+0x2d/0x2d [ 390.308940] ? find_held_lock+0x36/0x1c0 [ 390.313014] ? lock_acquire+0x1ed/0x520 [ 390.316990] ? bpf_test_run+0x3cb/0x780 [ 390.320973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.326515] ? check_preemption_disabled+0x48/0x200 [ 390.331541] ? kasan_check_read+0x11/0x20 [ 390.335694] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.340977] ? rcu_bh_qs+0xc0/0xc0 [ 390.344524] ? preempt_schedule+0x4d/0x60 [ 390.348672] ? ___preempt_schedule+0x16/0x18 [ 390.353090] ? bpf_test_run+0x25d/0x780 [ 390.357078] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.361490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.367029] ? bpf_test_init.isra.9+0x70/0x100 [ 390.371618] ? bpf_prog_test_run_skb+0x634/0xb40 [ 390.376386] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 390.381257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.386817] ? fput+0x130/0x1a0 [ 390.390099] ? __bpf_prog_get+0x9b/0x290 [ 390.394168] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 390.399008] ? bpf_prog_test_run+0x130/0x1a0 [ 390.403427] ? __x64_sys_bpf+0x3d8/0x510 [ 390.407489] ? bpf_prog_get+0x20/0x20 [ 390.411313] ? do_syscall_64+0x1b9/0x820 [ 390.415382] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.420751] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.425698] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.430721] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.435740] ? recalc_sigpending_tsk+0x180/0x180 [ 390.440501] ? kasan_check_write+0x14/0x20 [ 390.444746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.449610] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.454997] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 390.455102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.462278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.462284] Call Trace: [ 390.462291] [ 390.462309] dump_stack+0x1c4/0x2b4 [ 390.462327] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.462354] warn_alloc.cold.119+0xb7/0x1bd [ 390.468922] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.478177] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.480737] syz-executor2 cpuset= [ 390.482883] ? lock_downgrade+0x900/0x900 [ 390.486487] syz2 [ 390.491673] ? trace_hardirqs_off+0xb8/0x310 [ 390.495971] mems_allowed=0 [ 390.506453] ? trace_hardirqs_off+0xb8/0x310 [ 390.532509] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.537392] ? warn_alloc+0x120/0x120 [ 390.541204] ? warn_alloc+0x120/0x120 [ 390.545012] ? print_usage_bug+0xc0/0xc0 [ 390.549080] ? warn_alloc+0x120/0x120 [ 390.552885] ? print_usage_bug+0xc0/0xc0 [ 390.556952] ? __lock_acquire+0x7ec/0x4ec0 [ 390.561189] ? __lock_acquire+0x7ec/0x4ec0 [ 390.565426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.570970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.576510] ? should_fail+0x22d/0xd01 [ 390.580402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.585509] ? __lock_acquire+0x7ec/0x4ec0 [ 390.589749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.594860] ? __lock_acquire+0x7ec/0x4ec0 [ 390.599097] ? should_fail+0x22d/0xd01 [ 390.603000] ? mark_held_locks+0x130/0x130 [ 390.607241] ? mark_held_locks+0x130/0x130 [ 390.611480] ? graph_lock+0x170/0x170 [ 390.615281] ? print_usage_bug+0xc0/0xc0 [ 390.619344] ? graph_lock+0x170/0x170 [ 390.623144] ? print_usage_bug+0xc0/0xc0 [ 390.627204] ? wq_watchdog_touch+0x9c/0xfe [ 390.631443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.636983] ? check_preemption_disabled+0x48/0x200 [ 390.642004] ? check_preemption_disabled+0x48/0x200 [ 390.647035] ? __lock_is_held+0xb5/0x140 [ 390.651122] __alloc_pages_nodemask+0xa80/0xde0 [ 390.655813] ? graph_lock+0x170/0x170 [ 390.659638] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.664653] ? graph_lock+0x170/0x170 [ 390.668473] ? find_held_lock+0x36/0x1c0 [ 390.672544] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.677212] ? lock_downgrade+0x900/0x900 [ 390.681373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.686916] cache_grow_begin+0x91/0x8c0 [ 390.690984] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.695407] fallback_alloc+0x203/0x2e0 [ 390.699391] ____cache_alloc_node+0x1c7/0x1e0 [ 390.703895] kmem_cache_alloc_node+0xe3/0x730 [ 390.708391] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.712636] __alloc_skb+0x119/0x770 [ 390.716356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.721639] ? skb_scrub_packet+0x490/0x490 [ 390.725959] ? lock_downgrade+0x900/0x900 [ 390.730119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.735659] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.741118] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.746567] ? addrconf_rs_timer+0x690/0x690 [ 390.750991] ndisc_alloc_skb+0x144/0x340 [ 390.755056] ndisc_send_rs+0x331/0x6e0 [ 390.758951] addrconf_rs_timer+0x314/0x690 [ 390.763191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.767443] call_timer_fn+0x272/0x920 [ 390.771336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.775574] ? process_timeout+0x40/0x40 [ 390.779638] ? find_held_lock+0x36/0x1c0 [ 390.783708] ? mark_held_locks+0xc7/0x130 [ 390.787872] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.792382] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.796874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.801108] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.805692] ? trace_hardirqs_on+0xbd/0x310 [ 390.810012] ? kasan_check_read+0x11/0x20 [ 390.814161] ? __run_timers+0x7da/0xc70 [ 390.818139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.823593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.827836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.832079] __run_timers+0x7e5/0xc70 [ 390.835902] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.841270] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.846338] ? graph_lock+0x170/0x170 [ 390.850148] ? print_usage_bug+0xc0/0xc0 [ 390.854210] ? lock_release+0x970/0x970 [ 390.858189] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.863388] ? find_held_lock+0x36/0x1c0 [ 390.867459] ? graph_lock+0x170/0x170 [ 390.871267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.876817] ? check_preemption_disabled+0x48/0x200 [ 390.881859] ? __lock_is_held+0xb5/0x140 [ 390.885925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.891460] ? check_preemption_disabled+0x48/0x200 [ 390.896486] run_timer_softirq+0x52/0xb0 [ 390.900550] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.905567] __do_softirq+0x30b/0xad8 [ 390.909377] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.914487] ? pvclock_read_flags+0x160/0x160 [ 390.918984] ? lapic_next_event+0x5a/0x90 [ 390.923135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.928678] ? check_preemption_disabled+0x48/0x200 [ 390.933692] ? check_preemption_disabled+0x48/0x200 [ 390.938724] ? kvm_clock_read+0x18/0x30 [ 390.942698] ? kvm_sched_clock_read+0x9/0x20 [ 390.947112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.953051] ? check_preemption_disabled+0x48/0x200 [ 390.958129] irq_exit+0x17f/0x1c0 [ 390.961601] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.966443] ? smp_reschedule_interrupt+0x109/0x650 [ 390.971475] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.977363] ? interrupt_entry+0xb5/0xf0 [ 390.981431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.986446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.991465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.996308] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.001322] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.006337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.011883] ? check_preemption_disabled+0x48/0x200 [ 391.016898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.022443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.027293] apic_timer_interrupt+0xf/0x20 [ 391.031536] [ 391.033785] RIP: 0010:console_unlock+0xfdf/0x1160 [ 391.038632] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 391.057531] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 391.065245] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 391.072511] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 391.079790] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 391.087059] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 391.094326] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 391.101605] ? netconsole_netdev_event+0x280/0x280 [ 391.106545] ? console_unlock+0xfd6/0x1160 [ 391.110810] ? devkmsg_read+0xbb0/0xbb0 [ 391.114828] ? vprintk_emit+0x7f7/0x930 [ 391.118850] ? lock_release+0x970/0x970 [ 391.122891] ? trace_hardirqs_on+0x10/0x310 [ 391.127219] ? vprintk_default+0x28/0x30 [ 391.131282] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.136736] ? kasan_check_write+0x14/0x20 [ 391.140972] ? do_raw_spin_lock+0xc1/0x200 [ 391.145229] vprintk_emit+0x33d/0x930 [ 391.149036] ? wake_up_klogd+0x180/0x180 [ 391.153111] ? find_held_lock+0x36/0x1c0 [ 391.157180] ? mark_held_locks+0xc7/0x130 [ 391.161346] vprintk_default+0x28/0x30 [ 391.165232] vprintk_func+0x7e/0x181 [ 391.168949] printk+0xa7/0xcf [ 391.172059] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 391.176820] ? kasan_check_write+0x14/0x20 [ 391.181062] ? do_raw_spin_lock+0xc1/0x200 [ 391.185309] show_free_areas.cold.120+0x1b8e/0x215d [ 391.190350] ? si_meminfo_node+0x260/0x260 [ 391.194588] ? __lock_acquire+0x7ec/0x4ec0 [ 391.198830] ? __lock_acquire+0x7ec/0x4ec0 [ 391.203071] ? __lock_acquire+0x7ec/0x4ec0 [ 391.207307] ? kasan_check_write+0x14/0x20 [ 391.211542] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 391.217354] ? mark_held_locks+0x130/0x130 [ 391.221594] ? mark_held_locks+0x130/0x130 [ 391.225834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.231376] ? graph_lock+0x170/0x170 [ 391.235180] ? put_dec+0x3b/0xf0 [ 391.238554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.244089] ? number+0x972/0xca0 [ 391.247556] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 391.252576] ? find_held_lock+0x36/0x1c0 [ 391.256651] ? serial8250_console_write+0x8b3/0xb10 [ 391.261673] ? lock_downgrade+0x900/0x900 [ 391.265826] ? graph_lock+0x170/0x170 [ 391.269632] ? graph_lock+0x170/0x170 [ 391.274128] ? print_usage_bug+0xc0/0xc0 [ 391.278192] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.282603] ? trace_hardirqs_on+0x310/0x310 [ 391.287018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.292555] ? wq_watchdog_touch+0x9c/0xfe [ 391.296802] ? io_serial_in+0x11/0x90 [ 391.300615] ? find_held_lock+0x36/0x1c0 [ 391.304686] ? mark_held_locks+0xc7/0x130 [ 391.308837] ? console_unlock+0xfaa/0x1160 [ 391.313082] ? console_unlock+0xfaa/0x1160 [ 391.317324] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.321915] ? vprintk_emit+0x33d/0x930 [ 391.325892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.331344] ? kasan_check_write+0x14/0x20 [ 391.335585] ? do_raw_spin_lock+0xc1/0x200 [ 391.339832] ? netconsole_netdev_event+0x280/0x280 [ 391.344767] ? console_unlock+0x9ba/0x1160 [ 391.349023] ? devkmsg_read+0xbb0/0xbb0 [ 391.353002] ? lock_release+0x970/0x970 [ 391.356980] ? preempt_count_add+0x7d/0x160 [ 391.361302] ? wake_up_klogd+0x11a/0x180 [ 391.365363] ? console_device+0xc0/0xc0 [ 391.369349] ? vprintk_emit+0x268/0x930 [ 391.373329] ? wake_up_klogd+0x180/0x180 [ 391.377391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.382150] ? trace_hardirqs_off+0x310/0x310 [ 391.386651] ? retint_kernel+0x1b/0x2d [ 391.390539] ? trace_hardirqs_on+0x310/0x310 [ 391.394992] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.399757] ? retint_kernel+0x2d/0x2d [ 391.403665] ? arch_local_irq_restore+0x45/0x52 [ 391.408336] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 391.413352] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 391.418115] ? show_mem+0x1e/0x17b [ 391.421661] show_mem+0x34/0x17b [ 391.425036] dump_header+0x2f1/0xf72 [ 391.428766] ? pagefault_out_of_memory+0x197/0x197 [ 391.433715] ? __lock_acquire+0x7ec/0x4ec0 [ 391.437953] ? print_usage_bug+0xc0/0xc0 [ 391.442020] ? graph_lock+0x170/0x170 [ 391.445826] ? print_usage_bug+0xc0/0xc0 [ 391.449892] ? print_usage_bug+0xc0/0xc0 [ 391.453965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.459507] ? find_held_lock+0x36/0x1c0 [ 391.463579] ? mark_held_locks+0xc7/0x130 [ 391.467731] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.472836] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.477945] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.482529] ? trace_hardirqs_on+0xbd/0x310 [ 391.486860] ? kasan_check_read+0x11/0x20 [ 391.491009] ? ___ratelimit+0x36f/0x655 [ 391.494984] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.500435] ? trace_hardirqs_on+0x310/0x310 [ 391.504854] ? lock_downgrade+0x900/0x900 [ 391.509014] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.514122] ? ___ratelimit+0xaa/0x655 [ 391.518017] ? idr_get_free+0xec0/0xec0 [ 391.521995] ? kasan_check_write+0x14/0x20 [ 391.526234] ? do_raw_spin_lock+0xc1/0x200 [ 391.530481] oom_kill_process.cold.27+0x10/0x903 [ 391.535243] ? graph_lock+0x170/0x170 [ 391.539057] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 391.544859] ? kasan_check_read+0x11/0x20 [ 391.549012] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.554294] ? oom_evaluate_task+0x540/0x540 [ 391.558706] ? find_held_lock+0x36/0x1c0 [ 391.562774] ? out_of_memory+0x974/0x1430 [ 391.566933] ? lock_downgrade+0x900/0x900 [ 391.571089] ? check_preemption_disabled+0x48/0x200 [ 391.576110] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 391.581908] ? kasan_check_read+0x11/0x20 [ 391.586060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.591338] ? rcu_bh_qs+0xc0/0xc0 [ 391.594884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.600418] ? oom_evaluate_task+0x302/0x540 [ 391.604873] out_of_memory+0xa84/0x1430 [ 391.608868] ? oom_killer_disable+0x3a0/0x3a0 [ 391.613382] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 391.618347] ? __mutex_add_waiter+0x2a0/0x2a0 [ 391.622891] __alloc_pages_slowpath+0x2318/0x2d80 [ 391.627771] ? warn_alloc+0x120/0x120 [ 391.631630] ? trace_hardirqs_on+0x310/0x310 [ 391.636044] ? print_usage_bug+0xc0/0xc0 [ 391.640124] ? warn_alloc+0x120/0x120 [ 391.643929] ? print_usage_bug+0xc0/0xc0 [ 391.647996] ? print_usage_bug+0xc0/0xc0 [ 391.652059] ? free_one_page+0x1700/0x1700 [ 391.656296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.661834] ? should_fail+0x22d/0xd01 [ 391.665735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.670840] ? __lock_acquire+0x7ec/0x4ec0 [ 391.675109] ? __lock_is_held+0xb5/0x140 [ 391.679179] ? graph_lock+0x170/0x170 [ 391.682988] ? ___might_sleep+0x1ed/0x300 [ 391.687134] ? lock_release+0x970/0x970 [ 391.691112] ? arch_local_save_flags+0x40/0x40 [ 391.695710] ? __might_sleep+0x95/0x190 [ 391.699701] __alloc_pages_nodemask+0xa80/0xde0 [ 391.704382] ? graph_lock+0x170/0x170 [ 391.708203] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.713216] ? graph_lock+0x170/0x170 [ 391.717031] ? mark_held_locks+0xc7/0x130 [ 391.721178] ? find_held_lock+0x36/0x1c0 [ 391.725247] ? cache_grow_begin+0x5a4/0x8c0 [ 391.729571] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.734155] ? trace_hardirqs_on+0xbd/0x310 [ 391.738475] ? fallback_alloc+0x203/0x2e0 [ 391.742628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.748086] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.753629] cache_grow_begin+0x91/0x8c0 [ 391.757693] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.762109] fallback_alloc+0x203/0x2e0 [ 391.766089] ____cache_alloc_node+0x1c7/0x1e0 [ 391.770591] kmem_cache_alloc_node_trace+0xe7/0x740 [ 391.775625] __kmalloc_node_track_caller+0x33/0x70 [ 391.780562] __kmalloc_reserve.isra.39+0x41/0xe0 [ 391.785322] __alloc_skb+0x155/0x770 [ 391.789043] ? skb_scrub_packet+0x490/0x490 [ 391.793366] ? if_nlmsg_size+0x5d1/0xbb0 [ 391.797437] ? nla_put_ifalias+0x170/0x170 [ 391.801684] ? sk_psock_stop_strp+0x120/0x120 [ 391.806193] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.811206] ? netif_tx_stop_all_queues+0xd9/0x110 [ 391.816141] rtmsg_ifinfo_build_skb+0x74/0x190 [ 391.820732] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 391.825580] rtmsg_ifinfo+0x8c/0xa0 [ 391.829213] dev_close_many+0x3be/0x860 [ 391.833203] ? netdev_master_upper_dev_link+0x50/0x50 [ 391.838399] ? find_held_lock+0x36/0x1c0 [ 391.842478] ? __queue_work+0x6be/0x1440 [ 391.846562] ? lock_downgrade+0x900/0x900 [ 391.850718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.856255] ? rtnl_is_locked+0xb5/0xf0 [ 391.860232] ? rtnl_trylock+0x20/0x20 [ 391.864031] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.868442] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 391.873030] rollback_registered_many+0x543/0x1210 [ 391.877972] ? generic_xdp_install+0x4c0/0x4c0 [ 391.882560] ? max_active_store+0x170/0x170 [ 391.886886] ? graph_lock+0x170/0x170 [ 391.890689] ? print_usage_bug+0xc0/0xc0 [ 391.894749] ? print_usage_bug+0xc0/0xc0 [ 391.898819] ? __debug_object_init+0x57d/0x1290 [ 391.903493] ? graph_lock+0x170/0x170 [ 391.907296] ? print_usage_bug+0xc0/0xc0 [ 391.911359] ? find_held_lock+0x36/0x1c0 [ 391.915436] ? mark_held_locks+0xc7/0x130 [ 391.919589] rollback_registered+0x1e9/0x420 [ 391.923995] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 391.928577] ? rollback_registered_many+0x1210/0x1210 [ 391.933766] ? trace_hardirqs_on+0xbd/0x310 [ 391.938100] ? linkwatch_schedule_work+0x150/0x170 [ 391.943035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.948494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.954447] ? rtnl_is_locked+0xb5/0xf0 [ 391.958426] ? rtnl_trylock+0x20/0x20 [ 391.962229] ? queue_delayed_work_on+0x130/0x1f0 [ 391.966989] unregister_netdevice_queue+0x321/0x5e0 [ 391.972013] ? rollback_registered+0x420/0x420 [ 391.976600] ? linkwatch_schedule_work+0x170/0x170 [ 391.981530] ? tun_show_owner+0x170/0x170 [ 391.985679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.991220] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 391.996586] ? __tun_detach+0x6ba/0x15c0 [ 392.000660] __tun_detach+0x11b8/0x15c0 [ 392.004637] ? __call_rcu.constprop.69+0x429/0xbc0 [ 392.009574] ? tun_attach+0x1900/0x1900 [ 392.013550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.019093] ? check_preemption_disabled+0x48/0x200 [ 392.024119] ? graph_lock+0x170/0x170 [ 392.027923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.033460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.039002] ? locks_remove_file+0x3c6/0x5c0 [ 392.043415] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.048956] ? ima_file_free+0x132/0x650 [ 392.053025] ? __lock_is_held+0xb5/0x140 [ 392.057092] ? __tun_detach+0x15c0/0x15c0 [ 392.061244] ? __tun_detach+0x15c0/0x15c0 [ 392.065395] tun_chr_close+0xe3/0x180 [ 392.069199] __fput+0x385/0xa30 [ 392.072487] ? get_max_files+0x20/0x20 [ 392.076388] ? ___might_sleep+0x1ed/0x300 [ 392.080570] ? arch_local_save_flags+0x40/0x40 [ 392.085320] ____fput+0x15/0x20 [ 392.088609] task_work_run+0x1e8/0x2a0 [ 392.092499] ? task_work_cancel+0x240/0x240 [ 392.096831] ? switch_task_namespaces+0xb8/0xd0 [ 392.101516] do_exit+0x1ad7/0x2610 [ 392.105066] ? mm_update_next_owner+0x990/0x990 [ 392.109759] ? print_usage_bug+0xc0/0xc0 [ 392.113832] ? perf_trace_lock+0x14d/0x7a0 [ 392.118078] ? __lock_acquire+0x7ec/0x4ec0 [ 392.122330] ? find_held_lock+0x36/0x1c0 [ 392.126426] ? __lock_acquire+0x7ec/0x4ec0 [ 392.130679] ? mark_held_locks+0x130/0x130 [ 392.134920] ? lock_acquire+0x1ed/0x520 [ 392.138904] ? mark_held_locks+0x130/0x130 [ 392.143141] ? arch_local_save_flags+0x40/0x40 [ 392.147727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.153288] ? __mutex_lock+0x85e/0x1700 [ 392.157349] ? __switch_to_asm+0x40/0x70 [ 392.161412] ? __switch_to_asm+0x34/0x70 [ 392.165477] ? pipe_wait+0x266/0x2c0 [ 392.169199] ? mutex_trylock+0x2b0/0x2b0 [ 392.173306] ? graph_lock+0x170/0x170 [ 392.177107] ? find_held_lock+0x36/0x1c0 [ 392.181172] ? memset+0x31/0x40 [ 392.184474] ? find_held_lock+0x36/0x1c0 [ 392.188547] ? get_signal+0x95b/0x1980 [ 392.192440] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.196939] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.201443] do_group_exit+0x177/0x440 [ 392.205343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.210804] ? __ia32_sys_exit+0x50/0x50 [ 392.214882] get_signal+0x8b0/0x1980 [ 392.218606] ? ptrace_notify+0x130/0x130 [ 392.222678] ? finish_wait+0x430/0x430 [ 392.226571] ? graph_lock+0x170/0x170 [ 392.230398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.235935] ? pipe_read+0x702/0x940 [ 392.239653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.245206] do_signal+0x9c/0x21e0 [ 392.248748] ? __vfs_read+0x11f/0x9b0 [ 392.252566] ? vfs_copy_file_range+0xb90/0xb90 [ 392.257154] ? setup_sigcontext+0x7d0/0x7d0 [ 392.261501] ? exit_to_usermode_loop+0x8c/0x380 [ 392.266191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.271734] exit_to_usermode_loop+0x2e5/0x380 [ 392.276320] ? syscall_slow_exit_work+0x520/0x520 [ 392.281164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.286717] do_syscall_64+0x6be/0x820 [ 392.290613] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 392.295980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.300912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.305758] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.310794] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.315824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.320683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.325879] RIP: 0033:0x410fa0 [ 392.329077] Code: Bad RIP value. [ 392.332438] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 392.340147] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 392.347415] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 392.354684] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 392.361955] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 392.369225] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 392.376521] warn_alloc_show_mem: 1 callbacks suppressed [ 392.376533] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 392.376535] Mem-Info: [ 392.376567] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 392.376567] active_file:8 inactive_file:19 isolated_file:0 [ 392.376567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.376567] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 392.376567] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 392.376567] free:13766 free_pcp:526 free_cma:0 [ 392.381906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.381915] Call Trace: [ 392.389296] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.391698] [ 392.424657] Node 0 [ 392.434018] dump_stack+0x1c4/0x2b4 [ 392.436593] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.464329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.466447] lowmem_reserve[]: [ 392.468687] warn_alloc.cold.119+0xb7/0x1bd [ 392.472282] 0 [ 392.497801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.502961] 2819 [ 392.506064] ? lock_downgrade+0x900/0x900 [ 392.510350] 6323 6323 [ 392.512160] ? trace_hardirqs_off+0xb8/0x310 [ 392.516978] Node 0 [ 392.519039] ? trace_hardirqs_off+0xb8/0x310 [ 392.523183] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 392.525657] __alloc_pages_slowpath+0x2667/0x2d80 [ 392.530034] lowmem_reserve[]: [ 392.532291] ? warn_alloc+0x120/0x120 [ 392.536650] 0 [ 392.563982] ? trace_hardirqs_on+0x310/0x310 [ 392.568810] 0 [ 392.571909] ? warn_alloc+0x120/0x120 [ 392.575687] 3503 [ 392.577484] ? print_usage_bug+0xc0/0xc0 [ 392.581867] 3503 [ 392.583667] ? warn_alloc+0x120/0x120 [ 392.587443] Node 0 [ 392.589501] ? ktime_get+0x2e1/0x440 [ 392.593564] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 392.595596] ? print_usage_bug+0xc0/0xc0 [ 392.599367] lowmem_reserve[]: [ 392.601597] ? __lock_acquire+0x7ec/0x4ec0 [ 392.605284] 0 [ 392.633821] ? __lock_acquire+0x7ec/0x4ec0 [ 392.637861] 0 [ 392.640968] ? kasan_check_read+0x11/0x20 [ 392.645171] 0 0 [ 392.646983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.652986] ? should_fail+0x22d/0xd01 [ 392.657106] Node 0 [ 392.659076] ? rcu_bh_qs+0xc0/0xc0 [ 392.664586] DMA: [ 392.668484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.670697] 1*4kB [ 392.674226] ? __lock_acquire+0x7ec/0x4ec0 [ 392.676265] (U) [ 392.681378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.683520] 0*8kB [ 392.687762] ? __lock_acquire+0x7ec/0x4ec0 [ 392.689735] 0*16kB [ 392.694831] ? should_fail+0x22d/0xd01 [ 392.696980] 1*32kB [ 392.701218] ? rcu_idle_enter+0x4b0/0x4b0 [ 392.703419] (U) 2*64kB [ 392.707308] ? mark_held_locks+0x130/0x130 [ 392.709516] (U) [ 392.713657] ? mark_held_locks+0x130/0x130 [ 392.716208] 1*128kB (U) [ 392.720452] ? mark_held_locks+0xc7/0x130 [ 392.722401] 1*256kB [ 392.726625] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.729268] (U) [ 392.733422] ? graph_lock+0x170/0x170 [ 392.735726] 0*512kB [ 392.740737] ? print_usage_bug+0xc0/0xc0 [ 392.742690] 1*1024kB [ 392.746485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.748788] (U) [ 392.752847] ? check_preemption_disabled+0x48/0x200 [ 392.755234] 1*2048kB [ 392.760767] ? check_preemption_disabled+0x48/0x200 [ 392.762725] (M) [ 392.767741] ? __lock_is_held+0xb5/0x140 [ 392.770155] 3*4096kB [ 392.775194] __alloc_pages_nodemask+0xa80/0xde0 [ 392.777145] (M) [ 392.781207] ? graph_lock+0x170/0x170 [ 392.783597] = 15908kB [ 392.788259] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.790214] Node 0 [ 392.794004] ? graph_lock+0x170/0x170 [ 392.796393] DMA32: [ 392.801408] ? find_held_lock+0x36/0x1c0 [ 392.803614] 3*4kB [ 392.807412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.809616] (M) [ 392.813669] ? lock_downgrade+0x900/0x900 [ 392.815803] 2*8kB [ 392.820468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.822418] (UM) [ 392.826563] cache_grow_begin+0x91/0x8c0 [ 392.828685] 2*16kB [ 392.834219] ? do_raw_spin_unlock+0xa7/0x2f0 [ 392.836254] (M) [ 392.840315] fallback_alloc+0x203/0x2e0 [ 392.842529] 3*32kB [ 392.846934] ____cache_alloc_node+0x1c7/0x1e0 [ 392.848882] (UM) [ 392.852853] kmem_cache_alloc_node+0xe3/0x730 [ 392.855074] 5*64kB [ 392.859565] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.861600] (UM) [ 392.866092] __alloc_skb+0x119/0x770 [ 392.868301] 3*128kB [ 392.872533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.874572] (M) [ 392.878278] ? skb_scrub_packet+0x490/0x490 [ 392.880571] 3*256kB (M) [ 392.885852] ? lock_downgrade+0x900/0x900 [ 392.887810] 4*512kB [ 392.892126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.894771] (UM) [ 392.898922] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.901221] 3*1024kB [ 392.906752] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.908795] (UM) [ 392.914240] ? addrconf_rs_timer+0x690/0x690 [ 392.916625] 3*2048kB [ 392.922073] ndisc_alloc_skb+0x144/0x340 [ 392.924100] (UM) [ 392.928504] ndisc_send_rs+0x331/0x6e0 [ 392.930894] 3*4096kB [ 392.934953] addrconf_rs_timer+0x314/0x690 [ 392.937007] (M) [ 392.940892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.943275] = 25180kB [ 392.947510] call_timer_fn+0x272/0x920 [ 392.949450] Node 0 [ 392.953681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.956071] Normal: [ 392.959951] ? process_timeout+0x40/0x40 [ 392.962163] 960*4kB [ 392.966394] ? find_held_lock+0x36/0x1c0 [ 392.968700] (MEH) [ 392.972767] ? __run_timers+0x7da/0xc70 [ 392.975055] 471*8kB [ 392.979114] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.981233] (UME) [ 392.985205] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.987501] 178*16kB (ME) [ 392.991998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.994122] 44*32kB [ 392.998609] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.001431] (UME) [ 393.005660] ? trace_hardirqs_on+0xbd/0x310 [ 393.007958] 1*64kB [ 393.012538] ? kasan_check_read+0x11/0x20 [ 393.014662] (U) [ 393.018976] ? __run_timers+0x7da/0xc70 [ 393.021188] 0*128kB [ 393.025332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.027281] 0*256kB [ 393.031247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.033544] 2*512kB [ 393.038990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.041286] (U) [ 393.045514] __run_timers+0x7e5/0xc70 [ 393.047827] 1*1024kB [ 393.052061] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.054000] (U) [ 393.057821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.060203] 0*2048kB [ 393.065558] ? rcu_bh_qs+0xc0/0xc0 [ 393.067512] 0*4096kB [ 393.072787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.075170] = 13976kB [ 393.078705] ? check_preemption_disabled+0x48/0x200 [ 393.081094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.086624] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.089012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.094022] ? retint_kernel+0x2d/0x2d [ 393.102828] 2889 total pagecache pages [ 393.107583] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.116141] 0 pages in swap cache [ 393.120017] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.123872] Swap cache stats: add 0, delete 0, find 0/0 [ 393.123881] Free swap = 0kB [ 393.128810] ? trace_hardirqs_off+0x310/0x310 [ 393.132240] Total swap = 0kB [ 393.136996] ? check_preemption_disabled+0x48/0x200 [ 393.142331] 1965979 pages RAM [ 393.145355] ? graph_lock+0x170/0x170 [ 393.149817] 0 pages HighMem/MovableOnly [ 393.149826] 342306 pages reserved [ 393.152842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.157831] 0 pages cma reserved [ 393.157927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.160947] ? check_preemption_disabled+0x48/0x200 [ 393.164808] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.168702] ? __lock_is_held+0xb5/0x140 [ 393.172125] syz-executor1 cpuset= [ 393.177663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.181003] syz1 [ 393.187491] ? check_preemption_disabled+0x48/0x200 [ 393.192483] mems_allowed=0 [ 393.202969] run_timer_softirq+0x52/0xb0 [ 393.229884] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.234906] __do_softirq+0x30b/0xad8 [ 393.238717] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.243827] ? pvclock_read_flags+0x160/0x160 [ 393.248336] ? lapic_next_event+0x5a/0x90 [ 393.252496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.258038] ? check_preemption_disabled+0x48/0x200 [ 393.263058] ? check_preemption_disabled+0x48/0x200 [ 393.268090] ? kvm_clock_read+0x18/0x30 [ 393.272068] ? kvm_sched_clock_read+0x9/0x20 [ 393.276484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.282028] ? check_preemption_disabled+0x48/0x200 [ 393.287063] irq_exit+0x17f/0x1c0 [ 393.290520] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.295364] ? smp_reschedule_interrupt+0x109/0x650 [ 393.300385] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.306276] ? interrupt_entry+0xb5/0xf0 [ 393.310341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.315367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.320386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.325249] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.330264] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.335281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.340821] ? check_preemption_disabled+0x48/0x200 [ 393.345840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.351390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.356243] apic_timer_interrupt+0xf/0x20 [ 393.360472] [ 393.362713] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.367645] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 393.386545] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.394255] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.401523] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 393.408796] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 393.416063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.423330] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 393.430650] skb_clone+0x1bb/0x500 [ 393.434194] ? finish_task_switch+0x2f5/0x900 [ 393.438696] ? skb_split+0x11e0/0x11e0 [ 393.442588] ? preempt_notifier_register+0x200/0x200 [ 393.447696] ? __switch_to_asm+0x34/0x70 [ 393.451764] ? __switch_to_asm+0x34/0x70 [ 393.455834] ? __switch_to_asm+0x40/0x70 [ 393.459895] ? __switch_to_asm+0x34/0x70 [ 393.463963] ? __switch_to_asm+0x40/0x70 [ 393.468027] ? __switch_to_asm+0x34/0x70 [ 393.472090] ? __switch_to_asm+0x40/0x70 [ 393.476153] ? __switch_to_asm+0x34/0x70 [ 393.480217] ? __switch_to_asm+0x34/0x70 [ 393.484278] ? __switch_to_asm+0x40/0x70 [ 393.488335] ? __switch_to_asm+0x34/0x70 [ 393.492408] bpf_clone_redirect+0xb9/0x490 [ 393.496643] ? __schedule+0x874/0x1ed0 [ 393.500538] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 393.505558] ? __sched_text_start+0x8/0x8 [ 393.509710] ? retint_kernel+0x2d/0x2d [ 393.513609] ? find_held_lock+0x36/0x1c0 [ 393.517681] ? lock_acquire+0x1ed/0x520 [ 393.521659] ? bpf_test_run+0x3cb/0x780 [ 393.525641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.531181] ? check_preemption_disabled+0x48/0x200 [ 393.536219] ? kasan_check_read+0x11/0x20 [ 393.540375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.545657] ? rcu_bh_qs+0xc0/0xc0 [ 393.549202] ? preempt_schedule+0x4d/0x60 [ 393.553356] ? ___preempt_schedule+0x16/0x18 [ 393.557786] ? bpf_test_run+0x25d/0x780 [ 393.561773] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.566194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.571736] ? bpf_test_init.isra.9+0x70/0x100 [ 393.576324] ? bpf_prog_test_run_skb+0x634/0xb40 [ 393.581093] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.585937] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.591479] ? fput+0x130/0x1a0 [ 393.594760] ? __bpf_prog_get+0x9b/0x290 [ 393.598838] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.603684] ? bpf_prog_test_run+0x130/0x1a0 [ 393.608099] ? __x64_sys_bpf+0x3d8/0x510 [ 393.612162] ? bpf_prog_get+0x20/0x20 [ 393.615985] ? do_syscall_64+0x1b9/0x820 [ 393.620049] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.625477] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.630411] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.635434] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.640451] ? recalc_sigpending_tsk+0x180/0x180 [ 393.645216] ? kasan_check_write+0x14/0x20 [ 393.649461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.654355] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.659740] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 393.659835] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.667028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.667033] Call Trace: [ 393.667040] [ 393.667058] dump_stack+0x1c4/0x2b4 [ 393.667075] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.667102] warn_alloc.cold.119+0xb7/0x1bd [ 393.673646] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.682946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.685505] syz-executor2 cpuset= [ 393.687648] ? lock_downgrade+0x900/0x900 [ 393.691250] syz2 [ 393.696439] ? trace_hardirqs_off+0xb8/0x310 [ 393.700740] mems_allowed=0 [ 393.711222] ? trace_hardirqs_off+0xb8/0x310 [ 393.737284] __alloc_pages_slowpath+0x2667/0x2d80 [ 393.742161] ? warn_alloc+0x120/0x120 [ 393.745969] ? warn_alloc+0x120/0x120 [ 393.749773] ? print_usage_bug+0xc0/0xc0 [ 393.753852] ? warn_alloc+0x120/0x120 [ 393.757657] ? print_usage_bug+0xc0/0xc0 [ 393.761723] ? __lock_acquire+0x7ec/0x4ec0 [ 393.765961] ? __lock_acquire+0x7ec/0x4ec0 [ 393.770197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.775735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.781277] ? should_fail+0x22d/0xd01 [ 393.785168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.790271] ? __lock_acquire+0x7ec/0x4ec0 [ 393.794510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.799611] ? __lock_acquire+0x7ec/0x4ec0 [ 393.803845] ? should_fail+0x22d/0xd01 [ 393.807748] ? mark_held_locks+0x130/0x130 [ 393.811993] ? mark_held_locks+0x130/0x130 [ 393.816233] ? graph_lock+0x170/0x170 [ 393.820036] ? print_usage_bug+0xc0/0xc0 [ 393.824097] ? graph_lock+0x170/0x170 [ 393.827898] ? print_usage_bug+0xc0/0xc0 [ 393.831963] ? wq_watchdog_touch+0x9c/0xfe [ 393.836204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.841745] ? check_preemption_disabled+0x48/0x200 [ 393.846764] ? check_preemption_disabled+0x48/0x200 [ 393.851820] ? __lock_is_held+0xb5/0x140 [ 393.855910] __alloc_pages_nodemask+0xa80/0xde0 [ 393.860580] ? graph_lock+0x170/0x170 [ 393.864391] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.869407] ? graph_lock+0x170/0x170 [ 393.873220] ? find_held_lock+0x36/0x1c0 [ 393.877294] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.881967] ? lock_downgrade+0x900/0x900 [ 393.886127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.891673] cache_grow_begin+0x91/0x8c0 [ 393.895745] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.900185] fallback_alloc+0x203/0x2e0 [ 393.904177] ____cache_alloc_node+0x1c7/0x1e0 [ 393.908681] kmem_cache_alloc_node+0xe3/0x730 [ 393.913183] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.917442] __alloc_skb+0x119/0x770 [ 393.921162] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.926448] ? skb_scrub_packet+0x490/0x490 [ 393.930770] ? lock_downgrade+0x900/0x900 [ 393.934940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.940481] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.945936] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.951874] ? addrconf_rs_timer+0x690/0x690 [ 393.956299] ndisc_alloc_skb+0x144/0x340 [ 393.960421] ndisc_send_rs+0x331/0x6e0 [ 393.964333] addrconf_rs_timer+0x314/0x690 [ 393.968573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.972828] call_timer_fn+0x272/0x920 [ 393.976723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.980974] ? process_timeout+0x40/0x40 [ 393.985034] ? find_held_lock+0x36/0x1c0 [ 393.989108] ? mark_held_locks+0xc7/0x130 [ 393.993264] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.997762] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.002264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.006509] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 394.011093] ? trace_hardirqs_on+0xbd/0x310 [ 394.015419] ? kasan_check_read+0x11/0x20 [ 394.019572] ? __run_timers+0x7da/0xc70 [ 394.023552] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.029010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.033249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.039064] __run_timers+0x7e5/0xc70 [ 394.042915] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.048298] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.053316] ? graph_lock+0x170/0x170 [ 394.057124] ? print_usage_bug+0xc0/0xc0 [ 394.061183] ? lock_release+0x970/0x970 [ 394.065757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.070964] ? find_held_lock+0x36/0x1c0 [ 394.075031] ? graph_lock+0x170/0x170 [ 394.078840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.084802] ? check_preemption_disabled+0x48/0x200 [ 394.089832] ? __lock_is_held+0xb5/0x140 [ 394.093904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.099443] ? check_preemption_disabled+0x48/0x200 [ 394.104471] run_timer_softirq+0x52/0xb0 [ 394.108534] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.113550] __do_softirq+0x30b/0xad8 [ 394.117362] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.122474] ? pvclock_read_flags+0x160/0x160 [ 394.126982] ? lapic_next_event+0x5a/0x90 [ 394.131135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.136675] ? check_preemption_disabled+0x48/0x200 [ 394.141692] ? check_preemption_disabled+0x48/0x200 [ 394.146717] ? kvm_clock_read+0x18/0x30 [ 394.150697] ? kvm_sched_clock_read+0x9/0x20 [ 394.155109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.160648] ? check_preemption_disabled+0x48/0x200 [ 394.165681] irq_exit+0x17f/0x1c0 [ 394.169136] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.173976] ? smp_reschedule_interrupt+0x109/0x650 [ 394.178998] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.184886] ? interrupt_entry+0xb5/0xf0 [ 394.188951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.193967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.198999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.203862] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.208877] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.213898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.219442] ? check_preemption_disabled+0x48/0x200 [ 394.224463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.230010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.234872] apic_timer_interrupt+0xf/0x20 [ 394.239105] [ 394.241350] RIP: 0010:console_unlock+0xfdf/0x1160 [ 394.246200] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 394.265104] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.272820] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 394.280089] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 394.287358] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 394.294629] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 394.301894] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 394.309182] ? netconsole_netdev_event+0x280/0x280 [ 394.314123] ? console_unlock+0xfd6/0x1160 [ 394.318384] ? devkmsg_read+0xbb0/0xbb0 [ 394.322361] ? vprintk_emit+0x7f7/0x930 [ 394.326342] ? lock_release+0x970/0x970 [ 394.330319] ? trace_hardirqs_on+0x10/0x310 [ 394.334644] ? vprintk_default+0x28/0x30 [ 394.338712] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.344171] ? kasan_check_write+0x14/0x20 [ 394.348408] ? do_raw_spin_lock+0xc1/0x200 [ 394.352653] vprintk_emit+0x33d/0x930 [ 394.356461] ? wake_up_klogd+0x180/0x180 [ 394.360541] ? find_held_lock+0x36/0x1c0 [ 394.364616] ? mark_held_locks+0xc7/0x130 [ 394.368772] vprintk_default+0x28/0x30 [ 394.372676] vprintk_func+0x7e/0x181 [ 394.376393] printk+0xa7/0xcf [ 394.379504] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 394.384265] ? kasan_check_write+0x14/0x20 [ 394.388502] ? do_raw_spin_lock+0xc1/0x200 [ 394.392753] show_free_areas.cold.120+0x1b8e/0x215d [ 394.397814] ? si_meminfo_node+0x260/0x260 [ 394.402060] ? __lock_acquire+0x7ec/0x4ec0 [ 394.406300] ? __lock_acquire+0x7ec/0x4ec0 [ 394.410538] ? __lock_acquire+0x7ec/0x4ec0 [ 394.414786] ? kasan_check_write+0x14/0x20 [ 394.419028] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 394.424840] ? mark_held_locks+0x130/0x130 [ 394.429087] ? mark_held_locks+0x130/0x130 [ 394.433330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.438875] ? graph_lock+0x170/0x170 [ 394.442684] ? put_dec+0x3b/0xf0 [ 394.446057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.451604] ? number+0x972/0xca0 [ 394.455062] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 394.460086] ? find_held_lock+0x36/0x1c0 [ 394.464164] ? serial8250_console_write+0x8b3/0xb10 [ 394.469187] ? lock_downgrade+0x900/0x900 [ 394.473339] ? graph_lock+0x170/0x170 [ 394.477142] ? graph_lock+0x170/0x170 [ 394.480947] ? print_usage_bug+0xc0/0xc0 [ 394.485011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.489432] ? trace_hardirqs_on+0x310/0x310 [ 394.493843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.499386] ? wq_watchdog_touch+0x9c/0xfe [ 394.503622] ? io_serial_in+0x11/0x90 [ 394.507431] ? find_held_lock+0x36/0x1c0 [ 394.511501] ? mark_held_locks+0xc7/0x130 [ 394.515656] ? console_unlock+0xfaa/0x1160 [ 394.519893] ? console_unlock+0xfaa/0x1160 [ 394.524128] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.528718] ? vprintk_emit+0x33d/0x930 [ 394.532698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.538152] ? kasan_check_write+0x14/0x20 [ 394.542391] ? do_raw_spin_lock+0xc1/0x200 [ 394.546634] ? netconsole_netdev_event+0x280/0x280 [ 394.551566] ? console_unlock+0x9ba/0x1160 [ 394.555820] ? devkmsg_read+0xbb0/0xbb0 [ 394.559813] ? lock_release+0x970/0x970 [ 394.563804] ? preempt_count_add+0x7d/0x160 [ 394.568139] ? wake_up_klogd+0x11a/0x180 [ 394.572207] ? console_device+0xc0/0xc0 [ 394.576200] ? vprintk_emit+0x268/0x930 [ 394.580182] ? wake_up_klogd+0x180/0x180 [ 394.584250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.589011] ? trace_hardirqs_off+0x310/0x310 [ 394.593508] ? retint_kernel+0x1b/0x2d [ 394.597396] ? trace_hardirqs_on+0x310/0x310 [ 394.601826] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.606598] ? retint_kernel+0x2d/0x2d [ 394.610500] ? arch_local_irq_restore+0x45/0x52 [ 394.615176] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 394.620197] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 394.624960] ? show_mem+0x1e/0x17b [ 394.628505] show_mem+0x34/0x17b [ 394.631886] dump_header+0x2f1/0xf72 [ 394.635611] ? pagefault_out_of_memory+0x197/0x197 [ 394.640552] ? __lock_acquire+0x7ec/0x4ec0 [ 394.644799] ? print_usage_bug+0xc0/0xc0 [ 394.648881] ? graph_lock+0x170/0x170 [ 394.652687] ? print_usage_bug+0xc0/0xc0 [ 394.656745] ? print_usage_bug+0xc0/0xc0 [ 394.660822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.666369] ? find_held_lock+0x36/0x1c0 [ 394.670444] ? mark_held_locks+0xc7/0x130 [ 394.674601] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.679717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.684824] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.689427] ? trace_hardirqs_on+0xbd/0x310 [ 394.693755] ? kasan_check_read+0x11/0x20 [ 394.697912] ? ___ratelimit+0x36f/0x655 [ 394.701893] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.707357] ? trace_hardirqs_on+0x310/0x310 [ 394.711769] ? lock_downgrade+0x900/0x900 [ 394.715937] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.721041] ? ___ratelimit+0xaa/0x655 [ 394.724938] ? idr_get_free+0xec0/0xec0 [ 394.728921] ? kasan_check_write+0x14/0x20 [ 394.733164] ? do_raw_spin_lock+0xc1/0x200 [ 394.737409] oom_kill_process.cold.27+0x10/0x903 [ 394.742169] ? graph_lock+0x170/0x170 [ 394.745980] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 394.751790] ? kasan_check_read+0x11/0x20 [ 394.755948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.761238] ? oom_evaluate_task+0x540/0x540 [ 394.765661] ? find_held_lock+0x36/0x1c0 [ 394.769738] ? out_of_memory+0x974/0x1430 [ 394.773897] ? lock_downgrade+0x900/0x900 [ 394.778050] ? check_preemption_disabled+0x48/0x200 [ 394.783077] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 394.788900] ? kasan_check_read+0x11/0x20 [ 394.793056] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.798341] ? rcu_bh_qs+0xc0/0xc0 [ 394.801888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.807425] ? oom_evaluate_task+0x302/0x540 [ 394.811844] out_of_memory+0xa84/0x1430 [ 394.815838] ? oom_killer_disable+0x3a0/0x3a0 [ 394.820345] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 394.825280] ? __mutex_add_waiter+0x2a0/0x2a0 [ 394.829800] __alloc_pages_slowpath+0x2318/0x2d80 [ 394.834686] ? warn_alloc+0x120/0x120 [ 394.838498] ? trace_hardirqs_on+0x310/0x310 [ 394.842923] ? print_usage_bug+0xc0/0xc0 [ 394.846991] ? warn_alloc+0x120/0x120 [ 394.850806] ? print_usage_bug+0xc0/0xc0 [ 394.854885] ? print_usage_bug+0xc0/0xc0 [ 394.858954] ? free_one_page+0x1700/0x1700 [ 394.863194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.868737] ? should_fail+0x22d/0xd01 [ 394.872631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.877740] ? __lock_acquire+0x7ec/0x4ec0 [ 394.882006] ? __lock_is_held+0xb5/0x140 [ 394.886090] ? graph_lock+0x170/0x170 [ 394.889898] ? ___might_sleep+0x1ed/0x300 [ 394.894043] ? lock_release+0x970/0x970 [ 394.898021] ? arch_local_save_flags+0x40/0x40 [ 394.902614] ? __might_sleep+0x95/0x190 [ 394.906594] __alloc_pages_nodemask+0xa80/0xde0 [ 394.911280] ? graph_lock+0x170/0x170 [ 394.915100] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.920118] ? graph_lock+0x170/0x170 [ 394.923930] ? mark_held_locks+0xc7/0x130 [ 394.928077] ? find_held_lock+0x36/0x1c0 [ 394.932149] ? cache_grow_begin+0x5a4/0x8c0 [ 394.936478] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.941072] ? trace_hardirqs_on+0xbd/0x310 [ 394.945397] ? fallback_alloc+0x203/0x2e0 [ 394.949826] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.955289] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 394.960832] cache_grow_begin+0x91/0x8c0 [ 394.964903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.969321] fallback_alloc+0x203/0x2e0 [ 394.973302] ____cache_alloc_node+0x1c7/0x1e0 [ 394.977815] kmem_cache_alloc_node_trace+0xe7/0x740 [ 394.982857] __kmalloc_node_track_caller+0x33/0x70 [ 394.987800] __kmalloc_reserve.isra.39+0x41/0xe0 [ 394.992567] __alloc_skb+0x155/0x770 [ 394.996287] ? skb_scrub_packet+0x490/0x490 [ 395.000612] ? if_nlmsg_size+0x5d1/0xbb0 [ 395.004681] ? nla_put_ifalias+0x170/0x170 [ 395.008929] ? sk_psock_stop_strp+0x120/0x120 [ 395.013428] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.018447] ? netif_tx_stop_all_queues+0xd9/0x110 [ 395.023381] rtmsg_ifinfo_build_skb+0x74/0x190 [ 395.027972] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 395.032823] rtmsg_ifinfo+0x8c/0xa0 [ 395.036460] dev_close_many+0x3be/0x860 [ 395.040449] ? netdev_master_upper_dev_link+0x50/0x50 [ 395.045641] ? find_held_lock+0x36/0x1c0 [ 395.049710] ? __queue_work+0x6be/0x1440 [ 395.053776] ? lock_downgrade+0x900/0x900 [ 395.057946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.063485] ? rtnl_is_locked+0xb5/0xf0 [ 395.067465] ? rtnl_trylock+0x20/0x20 [ 395.071270] ? do_raw_spin_unlock+0xa7/0x2f0 [ 395.075681] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 395.080275] rollback_registered_many+0x543/0x1210 [ 395.085213] ? generic_xdp_install+0x4c0/0x4c0 [ 395.089809] ? max_active_store+0x170/0x170 [ 395.094133] ? graph_lock+0x170/0x170 [ 395.097934] ? print_usage_bug+0xc0/0xc0 [ 395.102000] ? print_usage_bug+0xc0/0xc0 [ 395.106066] ? __debug_object_init+0x57d/0x1290 [ 395.110734] ? graph_lock+0x170/0x170 [ 395.114536] ? print_usage_bug+0xc0/0xc0 [ 395.118604] ? find_held_lock+0x36/0x1c0 [ 395.122677] ? mark_held_locks+0xc7/0x130 [ 395.126835] rollback_registered+0x1e9/0x420 [ 395.131248] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 395.135833] ? rollback_registered_many+0x1210/0x1210 [ 395.141027] ? trace_hardirqs_on+0xbd/0x310 [ 395.145353] ? linkwatch_schedule_work+0x150/0x170 [ 395.150285] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.155743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.161284] ? rtnl_is_locked+0xb5/0xf0 [ 395.165265] ? rtnl_trylock+0x20/0x20 [ 395.169073] ? queue_delayed_work_on+0x130/0x1f0 [ 395.173834] unregister_netdevice_queue+0x321/0x5e0 [ 395.178863] ? rollback_registered+0x420/0x420 [ 395.183452] ? linkwatch_schedule_work+0x170/0x170 [ 395.188384] ? tun_show_owner+0x170/0x170 [ 395.192533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.198080] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 395.203442] ? __tun_detach+0x6ba/0x15c0 [ 395.207514] __tun_detach+0x11b8/0x15c0 [ 395.211494] ? __call_rcu.constprop.69+0x429/0xbc0 [ 395.216435] ? tun_attach+0x1900/0x1900 [ 395.220412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.225957] ? check_preemption_disabled+0x48/0x200 [ 395.230986] ? graph_lock+0x170/0x170 [ 395.234800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.240344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.245882] ? locks_remove_file+0x3c6/0x5c0 [ 395.250292] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 395.255832] ? ima_file_free+0x132/0x650 [ 395.259904] ? __lock_is_held+0xb5/0x140 [ 395.263974] ? __tun_detach+0x15c0/0x15c0 [ 395.268127] ? __tun_detach+0x15c0/0x15c0 [ 395.272273] tun_chr_close+0xe3/0x180 [ 395.276084] __fput+0x385/0xa30 [ 395.279371] ? get_max_files+0x20/0x20 [ 395.283269] ? ___might_sleep+0x1ed/0x300 [ 395.287418] ? arch_local_save_flags+0x40/0x40 [ 395.292020] ____fput+0x15/0x20 [ 395.295305] task_work_run+0x1e8/0x2a0 [ 395.299196] ? task_work_cancel+0x240/0x240 [ 395.303527] ? switch_task_namespaces+0xb8/0xd0 [ 395.308205] do_exit+0x1ad7/0x2610 [ 395.311759] ? mm_update_next_owner+0x990/0x990 [ 395.316436] ? print_usage_bug+0xc0/0xc0 [ 395.320495] ? perf_trace_lock+0x14d/0x7a0 [ 395.324742] ? __lock_acquire+0x7ec/0x4ec0 [ 395.328977] ? find_held_lock+0x36/0x1c0 [ 395.333065] ? __lock_acquire+0x7ec/0x4ec0 [ 395.337314] ? mark_held_locks+0x130/0x130 [ 395.341553] ? lock_acquire+0x1ed/0x520 [ 395.345540] ? mark_held_locks+0x130/0x130 [ 395.349775] ? arch_local_save_flags+0x40/0x40 [ 395.354367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.359930] ? __mutex_lock+0x85e/0x1700 [ 395.363996] ? __switch_to_asm+0x40/0x70 [ 395.368074] ? __switch_to_asm+0x34/0x70 [ 395.372147] ? pipe_wait+0x266/0x2c0 [ 395.375873] ? mutex_trylock+0x2b0/0x2b0 [ 395.379948] ? graph_lock+0x170/0x170 [ 395.383749] ? find_held_lock+0x36/0x1c0 [ 395.387826] ? memset+0x31/0x40 [ 395.391115] ? find_held_lock+0x36/0x1c0 [ 395.395189] ? get_signal+0x95b/0x1980 [ 395.399081] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.403577] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.408080] do_group_exit+0x177/0x440 [ 395.411971] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.417426] ? __ia32_sys_exit+0x50/0x50 [ 395.421502] get_signal+0x8b0/0x1980 [ 395.425242] ? ptrace_notify+0x130/0x130 [ 395.429322] ? finish_wait+0x430/0x430 [ 395.433214] ? graph_lock+0x170/0x170 [ 395.437028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.442566] ? pipe_read+0x702/0x940 [ 395.446280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.451833] do_signal+0x9c/0x21e0 [ 395.455381] ? __vfs_read+0x11f/0x9b0 [ 395.459190] ? vfs_copy_file_range+0xb90/0xb90 [ 395.463778] ? setup_sigcontext+0x7d0/0x7d0 [ 395.468128] ? exit_to_usermode_loop+0x8c/0x380 [ 395.472827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.478379] exit_to_usermode_loop+0x2e5/0x380 [ 395.482969] ? syscall_slow_exit_work+0x520/0x520 [ 395.487819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.493378] do_syscall_64+0x6be/0x820 [ 395.497271] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.502638] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.507569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.512412] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.517434] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.522462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.527313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.532507] RIP: 0033:0x410fa0 [ 395.535704] Code: Bad RIP value. [ 395.539065] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 395.546773] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 395.554049] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 395.561315] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 395.568586] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 395.575861] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 395.583156] warn_alloc_show_mem: 1 callbacks suppressed [ 395.583169] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 395.583171] Mem-Info: [ 395.583203] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 395.583203] active_file:8 inactive_file:19 isolated_file:0 [ 395.583203] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.583203] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 395.583203] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 395.583203] free:13766 free_pcp:526 free_cma:0 [ 395.588547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.595910] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.598309] Call Trace: [ 395.631262] Node 0 [ 395.640606] [ 395.668380] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 395.670946] dump_stack+0x1c4/0x2b4 [ 395.673145] lowmem_reserve[]: 0 [ 395.675304] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.700779] 2819 [ 395.704417] warn_alloc.cold.119+0xb7/0x1bd [ 395.707658] 6323 [ 395.712843] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.714887] 6323 [ 395.719207] ? lock_downgrade+0x900/0x900 [ 395.726082] ? trace_hardirqs_off+0xb8/0x310 [ 395.728115] Node 0 [ 395.732258] ? trace_hardirqs_off+0xb8/0x310 [ 395.736689] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 395.738901] __alloc_pages_slowpath+0x2667/0x2d80 [ 395.743277] lowmem_reserve[]: [ 395.770454] ? warn_alloc+0x120/0x120 [ 395.775247] 0 [ 395.778357] ? lock_release+0x970/0x970 [ 395.782118] 0 3503 [ 395.783954] ? warn_alloc+0x120/0x120 [ 395.787899] 3503 [ 395.790137] ? print_usage_bug+0xc0/0xc0 [ 395.793926] Node 0 [ 395.795984] ? warn_alloc+0x120/0x120 [ 395.800044] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 395.802252] ? print_usage_bug+0xc0/0xc0 [ 395.806018] lowmem_reserve[]: 0 [ 395.834561] ? __lock_acquire+0x7ec/0x4ec0 [ 395.838597] 0 [ 395.841864] ? __lock_acquire+0x7ec/0x4ec0 [ 395.841883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.846089] 0 0 [ 395.847898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.857638] ? should_fail+0x22d/0xd01 [ 395.859589] Node 0 [ 395.865147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.869009] DMA: [ 395.871241] ? __lock_acquire+0x7ec/0x4ec0 [ 395.876336] 1*4kB [ 395.878425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.882629] (U) [ 395.884775] ? __lock_acquire+0x7ec/0x4ec0 [ 395.889865] 0*8kB [ 395.891837] ? should_fail+0x22d/0xd01 [ 395.896051] 0*16kB [ 395.898197] ? mark_held_locks+0x130/0x130 [ 395.902057] 1*32kB [ 395.904288] ? mark_held_locks+0x130/0x130 [ 395.908495] (U) [ 395.910729] ? graph_lock+0x170/0x170 [ 395.914938] 2*64kB [ 395.916910] ? print_usage_bug+0xc0/0xc0 [ 395.920700] (U) [ 395.922933] ? graph_lock+0x170/0x170 [ 395.926968] 1*128kB [ 395.928939] ? print_usage_bug+0xc0/0xc0 [ 395.932727] (U) [ 395.935044] ? wq_watchdog_touch+0x9c/0xfe [ 395.939092] 1*256kB (U) [ 395.941079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.945289] 0*512kB [ 395.947958] ? check_preemption_disabled+0x48/0x200 [ 395.953908] 1*1024kB (U) [ 395.956257] ? check_preemption_disabled+0x48/0x200 [ 395.961240] 1*2048kB (M) [ 395.964008] ? __lock_is_held+0xb5/0x140 [ 395.968989] 3*4096kB (M) [ 395.971756] __alloc_pages_nodemask+0xa80/0xde0 [ 395.975787] = 15908kB [ 395.975795] Node 0 [ 395.978548] ? graph_lock+0x170/0x170 [ 395.983185] DMA32: 3*4kB [ 395.985595] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.987813] (M) [ 395.991604] ? graph_lock+0x170/0x170 [ 395.994343] 2*8kB [ 395.999369] ? find_held_lock+0x36/0x1c0 [ 396.001312] (UM) [ 396.005123] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.007238] 2*16kB (M) [ 396.011299] ? lock_downgrade+0x900/0x900 [ 396.013340] 3*32kB [ 396.018009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.020566] (UM) [ 396.024723] cache_grow_begin+0x91/0x8c0 [ 396.026932] 5*64kB [ 396.032464] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.034512] (UM) [ 396.038570] fallback_alloc+0x203/0x2e0 [ 396.040790] 3*128kB [ 396.045195] ____cache_alloc_node+0x1c7/0x1e0 [ 396.047231] (M) [ 396.051200] kmem_cache_alloc_node+0xe3/0x730 [ 396.053511] 3*256kB [ 396.058000] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.059947] (M) [ 396.064443] __alloc_skb+0x119/0x770 [ 396.066735] 4*512kB [ 396.070964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.072912] (UM) [ 396.076616] ? skb_scrub_packet+0x490/0x490 [ 396.078918] 3*1024kB [ 396.084701] ? lock_downgrade+0x900/0x900 [ 396.086741] (UM) [ 396.091060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.093441] 3*2048kB [ 396.097583] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.099618] (UM) [ 396.105159] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.107545] 3*4096kB [ 396.112989] ? addrconf_rs_timer+0x690/0x690 [ 396.115024] (M) [ 396.120487] ndisc_alloc_skb+0x144/0x340 [ 396.122870] = 25180kB [ 396.127273] ndisc_send_rs+0x331/0x6e0 [ 396.129253] Node 0 [ 396.133325] addrconf_rs_timer+0x314/0x690 [ 396.135703] Normal: 960*4kB [ 396.139605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.141813] (MEH) [ 396.146063] call_timer_fn+0x272/0x920 [ 396.149050] 471*8kB [ 396.153273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.155414] (UME) [ 396.159290] ? process_timeout+0x40/0x40 [ 396.161606] 178*16kB [ 396.165833] ? find_held_lock+0x36/0x1c0 [ 396.167979] (ME) [ 396.172036] ? __run_timers+0x7da/0xc70 [ 396.174426] 44*32kB [ 396.178479] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.180510] (UME) [ 396.184475] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.186774] 1*64kB [ 396.191263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.193387] (U) [ 396.197875] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.200086] 0*128kB [ 396.204316] ? trace_hardirqs_on+0xbd/0x310 [ 396.206271] 0*256kB [ 396.210848] ? kasan_check_read+0x11/0x20 [ 396.213146] 2*512kB [ 396.217463] ? __run_timers+0x7da/0xc70 [ 396.219763] (U) [ 396.223910] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.226206] 1*1024kB (U) [ 396.230179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.232133] 0*2048kB [ 396.237574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.240306] 0*4096kB [ 396.244535] __run_timers+0x7e5/0xc70 [ 396.246919] = 13976kB [ 396.251158] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.253544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.257337] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.259730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.265077] ? rcu_bh_qs+0xc0/0xc0 [ 396.273890] 2889 total pagecache pages [ 396.279163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.287716] 0 pages in swap cache [ 396.291246] ? check_preemption_disabled+0x48/0x200 [ 396.295106] Swap cache stats: add 0, delete 0, find 0/0 [ 396.300637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.304060] Free swap = 0kB [ 396.309094] ? retint_kernel+0x2d/0x2d [ 396.314427] Total swap = 0kB [ 396.319191] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.322179] 1965979 pages RAM [ 396.326058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.329050] 0 pages HighMem/MovableOnly [ 396.333970] ? trace_hardirqs_off+0x310/0x310 [ 396.337074] 342306 pages reserved [ 396.337083] 0 pages cma reserved [ 396.341839] ? check_preemption_disabled+0x48/0x200 [ 396.345879] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.350330] ? graph_lock+0x170/0x170 [ 396.350355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.350373] ? check_preemption_disabled+0x48/0x200 [ 396.353887] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.357197] ? __lock_is_held+0xb5/0x140 [ 396.362182] syz-executor1 cpuset= [ 396.368667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.372442] syz1 [ 396.377974] ? check_preemption_disabled+0x48/0x200 [ 396.382966] mems_allowed=0 [ 396.393453] run_timer_softirq+0x52/0xb0 [ 396.420470] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.425492] __do_softirq+0x30b/0xad8 [ 396.429306] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.434420] ? pvclock_read_flags+0x160/0x160 [ 396.438918] ? lapic_next_event+0x5a/0x90 [ 396.443067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.448605] ? check_preemption_disabled+0x48/0x200 [ 396.453622] ? check_preemption_disabled+0x48/0x200 [ 396.458645] ? kvm_clock_read+0x18/0x30 [ 396.462615] ? kvm_sched_clock_read+0x9/0x20 [ 396.467028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.472583] ? check_preemption_disabled+0x48/0x200 [ 396.477628] irq_exit+0x17f/0x1c0 [ 396.481086] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.485931] ? smp_reschedule_interrupt+0x109/0x650 [ 396.490986] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.496873] ? interrupt_entry+0xb5/0xf0 [ 396.500936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.505950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.510974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.515822] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.520836] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.525854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.531395] ? check_preemption_disabled+0x48/0x200 [ 396.536413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.541958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.546815] apic_timer_interrupt+0xf/0x20 [ 396.551046] [ 396.553287] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.558220] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 396.577121] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.584868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.592138] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 396.599406] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 396.606685] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.613952] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 396.621289] skb_clone+0x1bb/0x500 [ 396.624831] ? finish_task_switch+0x2f5/0x900 [ 396.629505] ? skb_split+0x11e0/0x11e0 [ 396.633394] ? preempt_notifier_register+0x200/0x200 [ 396.638500] ? __switch_to_asm+0x34/0x70 [ 396.642582] ? __switch_to_asm+0x34/0x70 [ 396.646649] ? __switch_to_asm+0x40/0x70 [ 396.650727] ? __switch_to_asm+0x34/0x70 [ 396.654800] ? __switch_to_asm+0x40/0x70 [ 396.658868] ? __switch_to_asm+0x34/0x70 [ 396.662928] ? __switch_to_asm+0x40/0x70 [ 396.666988] ? __switch_to_asm+0x34/0x70 [ 396.671054] ? __switch_to_asm+0x34/0x70 [ 396.675118] ? __switch_to_asm+0x40/0x70 [ 396.679181] ? __switch_to_asm+0x34/0x70 [ 396.683262] bpf_clone_redirect+0xb9/0x490 [ 396.687514] ? __schedule+0x874/0x1ed0 [ 396.691404] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 396.696425] ? __sched_text_start+0x8/0x8 [ 396.700577] ? retint_kernel+0x2d/0x2d [ 396.704480] ? find_held_lock+0x36/0x1c0 [ 396.708553] ? lock_acquire+0x1ed/0x520 [ 396.712529] ? bpf_test_run+0x3cb/0x780 [ 396.716504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.722045] ? check_preemption_disabled+0x48/0x200 [ 396.727069] ? kasan_check_read+0x11/0x20 [ 396.731220] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.736499] ? rcu_bh_qs+0xc0/0xc0 [ 396.740076] ? preempt_schedule+0x4d/0x60 [ 396.744223] ? ___preempt_schedule+0x16/0x18 [ 396.748640] ? bpf_test_run+0x25d/0x780 [ 396.752655] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.757077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.762626] ? bpf_test_init.isra.9+0x70/0x100 [ 396.767217] ? bpf_prog_test_run_skb+0x634/0xb40 [ 396.771986] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.776835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.782392] ? fput+0x130/0x1a0 [ 396.785678] ? __bpf_prog_get+0x9b/0x290 [ 396.789744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.794587] ? bpf_prog_test_run+0x130/0x1a0 [ 396.799006] ? __x64_sys_bpf+0x3d8/0x510 [ 396.803067] ? bpf_prog_get+0x20/0x20 [ 396.806914] ? do_syscall_64+0x1b9/0x820 [ 396.810983] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.816356] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.821292] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.826313] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.831328] ? recalc_sigpending_tsk+0x180/0x180 [ 396.836094] ? kasan_check_write+0x14/0x20 [ 396.840332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.845200] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.850619] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 396.850713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.857893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.857898] Call Trace: [ 396.857906] [ 396.857925] dump_stack+0x1c4/0x2b4 [ 396.857943] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.864476] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.873769] warn_alloc.cold.119+0xb7/0x1bd [ 396.876320] syz-executor2 cpuset= [ 396.878477] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.882078] syz2 [ 396.887266] ? lock_downgrade+0x900/0x900 [ 396.897724] mems_allowed=0 [ 396.902040] ? trace_hardirqs_off+0xb8/0x310 [ 396.923705] ? trace_hardirqs_off+0xb8/0x310 [ 396.928125] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.933019] ? warn_alloc+0x120/0x120 [ 396.936864] ? warn_alloc+0x120/0x120 [ 396.940672] ? print_usage_bug+0xc0/0xc0 [ 396.944733] ? warn_alloc+0x120/0x120 [ 396.948532] ? print_usage_bug+0xc0/0xc0 [ 396.952608] ? __lock_acquire+0x7ec/0x4ec0 [ 396.956843] ? __lock_acquire+0x7ec/0x4ec0 [ 396.961085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.966627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.972165] ? should_fail+0x22d/0xd01 [ 396.976057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.981161] ? __lock_acquire+0x7ec/0x4ec0 [ 396.985440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.990543] ? __lock_acquire+0x7ec/0x4ec0 [ 396.994776] ? should_fail+0x22d/0xd01 [ 396.998688] ? mark_held_locks+0x130/0x130 [ 397.002931] ? mark_held_locks+0x130/0x130 [ 397.007171] ? graph_lock+0x170/0x170 [ 397.010975] ? print_usage_bug+0xc0/0xc0 [ 397.015038] ? graph_lock+0x170/0x170 [ 397.018838] ? print_usage_bug+0xc0/0xc0 [ 397.022907] ? wq_watchdog_touch+0x9c/0xfe [ 397.027144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.032685] ? check_preemption_disabled+0x48/0x200 [ 397.037699] ? check_preemption_disabled+0x48/0x200 [ 397.042726] ? __lock_is_held+0xb5/0x140 [ 397.046805] __alloc_pages_nodemask+0xa80/0xde0 [ 397.051478] ? graph_lock+0x170/0x170 [ 397.055282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.060295] ? graph_lock+0x170/0x170 [ 397.064109] ? find_held_lock+0x36/0x1c0 [ 397.068181] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.072859] ? lock_downgrade+0x900/0x900 [ 397.077027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.082570] cache_grow_begin+0x91/0x8c0 [ 397.086633] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.091054] fallback_alloc+0x203/0x2e0 [ 397.095038] ____cache_alloc_node+0x1c7/0x1e0 [ 397.099553] kmem_cache_alloc_node+0xe3/0x730 [ 397.104055] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.108301] __alloc_skb+0x119/0x770 [ 397.112017] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.117298] ? skb_scrub_packet+0x490/0x490 [ 397.121621] ? lock_downgrade+0x900/0x900 [ 397.125776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.131323] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.136776] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.142279] ? addrconf_rs_timer+0x690/0x690 [ 397.146717] ndisc_alloc_skb+0x144/0x340 [ 397.150795] ndisc_send_rs+0x331/0x6e0 [ 397.154691] addrconf_rs_timer+0x314/0x690 [ 397.158930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.163180] call_timer_fn+0x272/0x920 [ 397.167066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.171333] ? process_timeout+0x40/0x40 [ 397.175393] ? find_held_lock+0x36/0x1c0 [ 397.179465] ? mark_held_locks+0xc7/0x130 [ 397.183617] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.188112] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.192603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.196837] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 397.201428] ? trace_hardirqs_on+0xbd/0x310 [ 397.205752] ? kasan_check_read+0x11/0x20 [ 397.209909] ? __run_timers+0x7da/0xc70 [ 397.213889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.219343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.223599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.227837] __run_timers+0x7e5/0xc70 [ 397.231658] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.237026] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.242048] ? graph_lock+0x170/0x170 [ 397.245859] ? print_usage_bug+0xc0/0xc0 [ 397.249921] ? lock_release+0x970/0x970 [ 397.253901] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.259099] ? find_held_lock+0x36/0x1c0 [ 397.263166] ? graph_lock+0x170/0x170 [ 397.266974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.272514] ? check_preemption_disabled+0x48/0x200 [ 397.277541] ? __lock_is_held+0xb5/0x140 [ 397.281603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.287142] ? check_preemption_disabled+0x48/0x200 [ 397.292168] run_timer_softirq+0x52/0xb0 [ 397.296236] ? rcu_read_lock_sched_held+0x108/0x120 [ 397.301251] __do_softirq+0x30b/0xad8 [ 397.305067] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.310176] ? pvclock_read_flags+0x160/0x160 [ 397.314675] ? lapic_next_event+0x5a/0x90 [ 397.318828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.324371] ? check_preemption_disabled+0x48/0x200 [ 397.329394] ? check_preemption_disabled+0x48/0x200 [ 397.334417] ? kvm_clock_read+0x18/0x30 [ 397.338390] ? kvm_sched_clock_read+0x9/0x20 [ 397.342809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.348347] ? check_preemption_disabled+0x48/0x200 [ 397.353377] irq_exit+0x17f/0x1c0 [ 397.356832] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.361680] ? smp_reschedule_interrupt+0x109/0x650 [ 397.366695] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.372581] ? interrupt_entry+0xb5/0xf0 [ 397.376646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.381660] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.386676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.391523] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.396536] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.401557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.407095] ? check_preemption_disabled+0x48/0x200 [ 397.412114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.417660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.422514] apic_timer_interrupt+0xf/0x20 [ 397.426746] [ 397.428986] RIP: 0010:console_unlock+0xfdf/0x1160 [ 397.433830] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 397.452736] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 397.460447] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 397.467712] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 397.474979] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 397.482244] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 397.489508] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 397.496799] ? netconsole_netdev_event+0x280/0x280 [ 397.501742] ? console_unlock+0xfd6/0x1160 [ 397.506005] ? devkmsg_read+0xbb0/0xbb0 [ 397.509978] ? vprintk_emit+0x7f7/0x930 [ 397.513955] ? lock_release+0x970/0x970 [ 397.517930] ? trace_hardirqs_on+0x10/0x310 [ 397.522255] ? vprintk_default+0x28/0x30 [ 397.526321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.531773] ? kasan_check_write+0x14/0x20 [ 397.536047] ? do_raw_spin_lock+0xc1/0x200 [ 397.540349] vprintk_emit+0x33d/0x930 [ 397.544197] ? wake_up_klogd+0x180/0x180 [ 397.548290] ? find_held_lock+0x36/0x1c0 [ 397.552372] ? mark_held_locks+0xc7/0x130 [ 397.556525] vprintk_default+0x28/0x30 [ 397.560426] vprintk_func+0x7e/0x181 [ 397.564145] printk+0xa7/0xcf [ 397.567255] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 397.572011] ? kasan_check_write+0x14/0x20 [ 397.576259] ? do_raw_spin_lock+0xc1/0x200 [ 397.580533] show_free_areas.cold.120+0x1b8e/0x215d [ 397.585587] ? si_meminfo_node+0x260/0x260 [ 397.589824] ? __lock_acquire+0x7ec/0x4ec0 [ 397.594069] ? __lock_acquire+0x7ec/0x4ec0 [ 397.598306] ? __lock_acquire+0x7ec/0x4ec0 [ 397.602558] ? kasan_check_write+0x14/0x20 [ 397.606816] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 397.612630] ? mark_held_locks+0x130/0x130 [ 397.616874] ? mark_held_locks+0x130/0x130 [ 397.621115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.626650] ? graph_lock+0x170/0x170 [ 397.630454] ? put_dec+0x3b/0xf0 [ 397.633826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.639370] ? number+0x972/0xca0 [ 397.642831] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 397.647865] ? find_held_lock+0x36/0x1c0 [ 397.651951] ? serial8250_console_write+0x8b3/0xb10 [ 397.656971] ? lock_downgrade+0x900/0x900 [ 397.661121] ? graph_lock+0x170/0x170 [ 397.664926] ? graph_lock+0x170/0x170 [ 397.668729] ? print_usage_bug+0xc0/0xc0 [ 397.672813] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.677254] ? trace_hardirqs_on+0x310/0x310 [ 397.681677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.687216] ? wq_watchdog_touch+0x9c/0xfe [ 397.691448] ? io_serial_in+0x11/0x90 [ 397.695271] ? find_held_lock+0x36/0x1c0 [ 397.699340] ? mark_held_locks+0xc7/0x130 [ 397.703491] ? console_unlock+0xfaa/0x1160 [ 397.707745] ? console_unlock+0xfaa/0x1160 [ 397.711978] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.716599] ? vprintk_emit+0x33d/0x930 [ 397.720575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.726064] ? kasan_check_write+0x14/0x20 [ 397.730298] ? do_raw_spin_lock+0xc1/0x200 [ 397.734538] ? netconsole_netdev_event+0x280/0x280 [ 397.739471] ? console_unlock+0x9ba/0x1160 [ 397.743721] ? devkmsg_read+0xbb0/0xbb0 [ 397.747698] ? lock_release+0x970/0x970 [ 397.751674] ? preempt_count_add+0x7d/0x160 [ 397.756003] ? wake_up_klogd+0x11a/0x180 [ 397.760069] ? console_device+0xc0/0xc0 [ 397.764061] ? vprintk_emit+0x268/0x930 [ 397.768045] ? wake_up_klogd+0x180/0x180 [ 397.772106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.776871] ? trace_hardirqs_off+0x310/0x310 [ 397.781372] ? retint_kernel+0x1b/0x2d [ 397.785260] ? trace_hardirqs_on+0x310/0x310 [ 397.789685] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.794452] ? retint_kernel+0x2d/0x2d [ 397.798368] ? arch_local_irq_restore+0x45/0x52 [ 397.803072] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 397.808089] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 397.812860] ? show_mem+0x1e/0x17b [ 397.816409] show_mem+0x34/0x17b [ 397.819780] dump_header+0x2f1/0xf72 [ 397.823516] ? pagefault_out_of_memory+0x197/0x197 [ 397.828454] ? __lock_acquire+0x7ec/0x4ec0 [ 397.832697] ? print_usage_bug+0xc0/0xc0 [ 397.836764] ? graph_lock+0x170/0x170 [ 397.840579] ? print_usage_bug+0xc0/0xc0 [ 397.844643] ? print_usage_bug+0xc0/0xc0 [ 397.848715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.854257] ? find_held_lock+0x36/0x1c0 [ 397.858329] ? mark_held_locks+0xc7/0x130 [ 397.862488] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.867598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.872707] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.877293] ? trace_hardirqs_on+0xbd/0x310 [ 397.881614] ? kasan_check_read+0x11/0x20 [ 397.885764] ? ___ratelimit+0x36f/0x655 [ 397.889753] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.895214] ? trace_hardirqs_on+0x310/0x310 [ 397.899623] ? lock_downgrade+0x900/0x900 [ 397.903804] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.908914] ? ___ratelimit+0xaa/0x655 [ 397.912814] ? idr_get_free+0xec0/0xec0 [ 397.916800] ? kasan_check_write+0x14/0x20 [ 397.921038] ? do_raw_spin_lock+0xc1/0x200 [ 397.925283] oom_kill_process.cold.27+0x10/0x903 [ 397.930043] ? graph_lock+0x170/0x170 [ 397.933862] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.939661] ? kasan_check_read+0x11/0x20 [ 397.943821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.949113] ? oom_evaluate_task+0x540/0x540 [ 397.953946] ? find_held_lock+0x36/0x1c0 [ 397.958019] ? out_of_memory+0x974/0x1430 [ 397.962170] ? lock_downgrade+0x900/0x900 [ 397.966323] ? check_preemption_disabled+0x48/0x200 [ 397.971344] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.977142] ? kasan_check_read+0x11/0x20 [ 397.981290] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.986572] ? rcu_bh_qs+0xc0/0xc0 [ 397.990117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.995653] ? oom_evaluate_task+0x302/0x540 [ 398.000065] out_of_memory+0xa84/0x1430 [ 398.004056] ? oom_killer_disable+0x3a0/0x3a0 [ 398.008552] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 398.013488] ? __mutex_add_waiter+0x2a0/0x2a0 [ 398.017997] __alloc_pages_slowpath+0x2318/0x2d80 [ 398.022878] ? warn_alloc+0x120/0x120 [ 398.026683] ? trace_hardirqs_on+0x310/0x310 [ 398.031100] ? print_usage_bug+0xc0/0xc0 [ 398.035170] ? warn_alloc+0x120/0x120 [ 398.038976] ? print_usage_bug+0xc0/0xc0 [ 398.043041] ? print_usage_bug+0xc0/0xc0 [ 398.047104] ? free_one_page+0x1700/0x1700 [ 398.051340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.056887] ? should_fail+0x22d/0xd01 [ 398.060800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.066618] ? __lock_acquire+0x7ec/0x4ec0 [ 398.070885] ? __lock_is_held+0xb5/0x140 [ 398.074960] ? graph_lock+0x170/0x170 [ 398.078764] ? ___might_sleep+0x1ed/0x300 [ 398.083296] ? lock_release+0x970/0x970 [ 398.087288] ? arch_local_save_flags+0x40/0x40 [ 398.091915] ? __might_sleep+0x95/0x190 [ 398.095899] __alloc_pages_nodemask+0xa80/0xde0 [ 398.100574] ? graph_lock+0x170/0x170 [ 398.104380] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.109396] ? graph_lock+0x170/0x170 [ 398.113212] ? mark_held_locks+0xc7/0x130 [ 398.117358] ? find_held_lock+0x36/0x1c0 [ 398.121439] ? cache_grow_begin+0x5a4/0x8c0 [ 398.125768] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.130366] ? trace_hardirqs_on+0xbd/0x310 [ 398.134690] ? fallback_alloc+0x203/0x2e0 [ 398.138870] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.144346] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.149894] cache_grow_begin+0x91/0x8c0 [ 398.153963] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.158382] fallback_alloc+0x203/0x2e0 [ 398.162369] ____cache_alloc_node+0x1c7/0x1e0 [ 398.166889] kmem_cache_alloc_node_trace+0xe7/0x740 [ 398.171923] __kmalloc_node_track_caller+0x33/0x70 [ 398.176886] __kmalloc_reserve.isra.39+0x41/0xe0 [ 398.181649] __alloc_skb+0x155/0x770 [ 398.185358] ? skb_scrub_packet+0x490/0x490 [ 398.189689] ? if_nlmsg_size+0x5d1/0xbb0 [ 398.193756] ? nla_put_ifalias+0x170/0x170 [ 398.198010] ? sk_psock_stop_strp+0x120/0x120 [ 398.202508] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.207524] ? netif_tx_stop_all_queues+0xd9/0x110 [ 398.212463] rtmsg_ifinfo_build_skb+0x74/0x190 [ 398.217057] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 398.221910] rtmsg_ifinfo+0x8c/0xa0 [ 398.225543] dev_close_many+0x3be/0x860 [ 398.229528] ? netdev_master_upper_dev_link+0x50/0x50 [ 398.234721] ? find_held_lock+0x36/0x1c0 [ 398.238799] ? __queue_work+0x6be/0x1440 [ 398.242871] ? lock_downgrade+0x900/0x900 [ 398.247027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.252566] ? rtnl_is_locked+0xb5/0xf0 [ 398.256543] ? rtnl_trylock+0x20/0x20 [ 398.260344] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.264771] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 398.269386] rollback_registered_many+0x543/0x1210 [ 398.274326] ? generic_xdp_install+0x4c0/0x4c0 [ 398.278917] ? max_active_store+0x170/0x170 [ 398.283244] ? graph_lock+0x170/0x170 [ 398.287039] ? print_usage_bug+0xc0/0xc0 [ 398.291090] ? print_usage_bug+0xc0/0xc0 [ 398.295155] ? __debug_object_init+0x57d/0x1290 [ 398.299840] ? graph_lock+0x170/0x170 [ 398.303648] ? print_usage_bug+0xc0/0xc0 [ 398.307742] ? find_held_lock+0x36/0x1c0 [ 398.311820] ? mark_held_locks+0xc7/0x130 [ 398.315979] rollback_registered+0x1e9/0x420 [ 398.320387] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 398.324968] ? rollback_registered_many+0x1210/0x1210 [ 398.330158] ? trace_hardirqs_on+0xbd/0x310 [ 398.334482] ? linkwatch_schedule_work+0x150/0x170 [ 398.339444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.344902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.350440] ? rtnl_is_locked+0xb5/0xf0 [ 398.354442] ? rtnl_trylock+0x20/0x20 [ 398.358251] ? queue_delayed_work_on+0x130/0x1f0 [ 398.363014] unregister_netdevice_queue+0x321/0x5e0 [ 398.368036] ? rollback_registered+0x420/0x420 [ 398.372638] ? linkwatch_schedule_work+0x170/0x170 [ 398.377571] ? tun_show_owner+0x170/0x170 [ 398.381738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.387294] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 398.392664] ? __tun_detach+0x6ba/0x15c0 [ 398.396735] __tun_detach+0x11b8/0x15c0 [ 398.400716] ? __call_rcu.constprop.69+0x429/0xbc0 [ 398.405654] ? tun_attach+0x1900/0x1900 [ 398.409633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.415173] ? check_preemption_disabled+0x48/0x200 [ 398.420205] ? graph_lock+0x170/0x170 [ 398.424007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.429547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.435083] ? locks_remove_file+0x3c6/0x5c0 [ 398.439506] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 398.445042] ? ima_file_free+0x132/0x650 [ 398.449108] ? __lock_is_held+0xb5/0x140 [ 398.453177] ? __tun_detach+0x15c0/0x15c0 [ 398.457327] ? __tun_detach+0x15c0/0x15c0 [ 398.461482] tun_chr_close+0xe3/0x180 [ 398.465287] __fput+0x385/0xa30 [ 398.468575] ? get_max_files+0x20/0x20 [ 398.472501] ? ___might_sleep+0x1ed/0x300 [ 398.476656] ? arch_local_save_flags+0x40/0x40 [ 398.481246] ____fput+0x15/0x20 [ 398.484533] task_work_run+0x1e8/0x2a0 [ 398.488429] ? task_work_cancel+0x240/0x240 [ 398.492755] ? switch_task_namespaces+0xb8/0xd0 [ 398.497440] do_exit+0x1ad7/0x2610 [ 398.501007] ? mm_update_next_owner+0x990/0x990 [ 398.505676] ? print_usage_bug+0xc0/0xc0 [ 398.509739] ? perf_trace_lock+0x14d/0x7a0 [ 398.513983] ? __lock_acquire+0x7ec/0x4ec0 [ 398.518229] ? find_held_lock+0x36/0x1c0 [ 398.522306] ? __lock_acquire+0x7ec/0x4ec0 [ 398.526539] ? mark_held_locks+0x130/0x130 [ 398.530794] ? lock_acquire+0x1ed/0x520 [ 398.534781] ? mark_held_locks+0x130/0x130 [ 398.539029] ? arch_local_save_flags+0x40/0x40 [ 398.543618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.549188] ? __mutex_lock+0x85e/0x1700 [ 398.553255] ? __switch_to_asm+0x40/0x70 [ 398.557319] ? __switch_to_asm+0x34/0x70 [ 398.561385] ? pipe_wait+0x266/0x2c0 [ 398.565112] ? mutex_trylock+0x2b0/0x2b0 [ 398.569191] ? graph_lock+0x170/0x170 [ 398.572998] ? find_held_lock+0x36/0x1c0 [ 398.577068] ? memset+0x31/0x40 [ 398.580357] ? find_held_lock+0x36/0x1c0 [ 398.584607] ? get_signal+0x95b/0x1980 [ 398.588500] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.592999] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.597501] do_group_exit+0x177/0x440 [ 398.601394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.606843] ? __ia32_sys_exit+0x50/0x50 [ 398.610928] get_signal+0x8b0/0x1980 [ 398.614658] ? ptrace_notify+0x130/0x130 [ 398.618723] ? finish_wait+0x430/0x430 [ 398.622615] ? graph_lock+0x170/0x170 [ 398.626425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.631964] ? pipe_read+0x702/0x940 [ 398.635679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.641226] do_signal+0x9c/0x21e0 [ 398.644770] ? __vfs_read+0x11f/0x9b0 [ 398.648588] ? vfs_copy_file_range+0xb90/0xb90 [ 398.653178] ? setup_sigcontext+0x7d0/0x7d0 [ 398.657521] ? exit_to_usermode_loop+0x8c/0x380 [ 398.662211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.667757] exit_to_usermode_loop+0x2e5/0x380 [ 398.672353] ? syscall_slow_exit_work+0x520/0x520 [ 398.677199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.682752] do_syscall_64+0x6be/0x820 [ 398.686649] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.692014] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.696948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.701801] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.706831] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.711874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.716748] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.721934] RIP: 0033:0x410fa0 [ 398.725135] Code: Bad RIP value. [ 398.728497] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 398.736207] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 398.743471] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 398.750736] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 398.758001] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 398.765271] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 398.772565] warn_alloc_show_mem: 1 callbacks suppressed [ 398.772577] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 398.772579] Mem-Info: [ 398.772611] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 398.772611] active_file:8 inactive_file:19 isolated_file:0 [ 398.772611] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.772611] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 398.772611] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 398.772611] free:13766 free_pcp:526 free_cma:0 [ 398.777951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.785345] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 398.787751] Call Trace: [ 398.820702] Node 0 [ 398.830046] [ 398.857819] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 398.860380] dump_stack+0x1c4/0x2b4 [ 398.862590] lowmem_reserve[]: [ 398.864738] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.890211] 0 2819 [ 398.893858] warn_alloc.cold.119+0xb7/0x1bd [ 398.896930] 6323 6323 [ 398.902123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.904333] Node 0 [ 398.908654] ? lock_downgrade+0x900/0x900 [ 398.911149] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 398.915969] ? trace_hardirqs_off+0xb8/0x310 [ 398.918172] lowmem_reserve[]: 0 [ 398.922332] ? trace_hardirqs_off+0xb8/0x310 [ 398.949843] 0 [ 398.954270] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.957502] 3503 3503 [ 398.961946] ? warn_alloc+0x120/0x120 [ 398.968548] ? warn_alloc+0x120/0x120 [ 398.971018] Node 0 [ 398.974820] ? print_usage_bug+0xc0/0xc0 [ 398.978621] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 398.980824] ? warn_alloc+0x120/0x120 [ 398.984857] lowmem_reserve[]: 0 [ 399.013399] ? print_usage_bug+0xc0/0xc0 [ 399.017172] 0 0 [ 399.020454] ? __lock_acquire+0x7ec/0x4ec0 [ 399.024481] 0 [ 399.026460] ? __lock_acquire+0x7ec/0x4ec0 [ 399.030671] Node 0 [ 399.032473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.036681] DMA: [ 399.038916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.044425] 1*4kB [ 399.046484] ? should_fail+0x22d/0xd01 [ 399.051995] (U) [ 399.054145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.058000] 0*8kB 0*16kB [ 399.059977] ? __lock_acquire+0x7ec/0x4ec0 [ 399.065053] 1*32kB (U) [ 399.067825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.072032] 2*64kB [ 399.074610] ? __lock_acquire+0x7ec/0x4ec0 [ 399.079686] (U) [ 399.081913] ? should_fail+0x22d/0xd01 [ 399.086141] 1*128kB [ 399.088132] ? mark_held_locks+0x130/0x130 [ 399.091985] (U) [ 399.094305] ? mark_held_locks+0x130/0x130 [ 399.098507] 1*256kB (U) [ 399.100486] ? graph_lock+0x170/0x170 [ 399.104698] 0*512kB [ 399.107367] ? print_usage_bug+0xc0/0xc0 [ 399.111136] 1*1024kB [ 399.113453] ? graph_lock+0x170/0x170 [ 399.117493] (U) [ 399.119898] ? print_usage_bug+0xc0/0xc0 [ 399.123677] 1*2048kB [ 399.125645] ? wq_watchdog_touch+0x9c/0xfe [ 399.129683] (M) [ 399.132092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.136298] 3*4096kB [ 399.138269] ? check_preemption_disabled+0x48/0x200 [ 399.143779] (M) [ 399.146195] ? check_preemption_disabled+0x48/0x200 [ 399.151187] = 15908kB [ 399.153165] ? __lock_is_held+0xb5/0x140 [ 399.158150] Node 0 [ 399.160559] __alloc_pages_nodemask+0xa80/0xde0 [ 399.164623] DMA32: [ 399.166854] ? graph_lock+0x170/0x170 [ 399.171519] 3*4kB [ 399.173806] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.177579] (M) [ 399.179720] ? graph_lock+0x170/0x170 [ 399.184742] 2*8kB [ 399.186760] ? find_held_lock+0x36/0x1c0 [ 399.190543] (UM) [ 399.192692] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.196715] 2*16kB (M) [ 399.198782] ? lock_downgrade+0x900/0x900 [ 399.203450] 3*32kB [ 399.206028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.210143] (UM) 5*64kB [ 399.212405] cache_grow_begin+0x91/0x8c0 [ 399.217913] (UM) [ 399.220579] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.224621] 3*128kB (M) [ 399.226689] fallback_alloc+0x203/0x2e0 [ 399.231066] 3*256kB [ 399.233733] ____cache_alloc_node+0x1c7/0x1e0 [ 399.237677] (M) [ 399.239995] kmem_cache_alloc_node+0xe3/0x730 [ 399.244477] 4*512kB [ 399.246447] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.250928] (UM) [ 399.253255] __alloc_skb+0x119/0x770 [ 399.257461] 3*1024kB (UM) [ 399.259531] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.263213] 3*2048kB [ 399.266072] ? skb_scrub_packet+0x490/0x490 [ 399.271320] (UM) [ 399.273724] ? lock_downgrade+0x900/0x900 [ 399.278020] 3*4096kB [ 399.280080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.284197] (M) [ 399.286606] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.292113] = 25180kB [ 399.294086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.299513] Node 0 [ 399.301920] ? addrconf_rs_timer+0x690/0x690 [ 399.307343] Normal: [ 399.309585] ndisc_alloc_skb+0x144/0x340 [ 399.313965] 960*4kB [ 399.316287] ndisc_send_rs+0x331/0x6e0 [ 399.320324] (MEH) [ 399.322642] addrconf_rs_timer+0x314/0x690 [ 399.326506] 471*8kB [ 399.328652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.332867] (UME) [ 399.335199] call_timer_fn+0x272/0x920 [ 399.339430] 178*16kB [ 399.341598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.345460] (ME) [ 399.347899] ? process_timeout+0x40/0x40 [ 399.352112] 44*32kB [ 399.354170] ? find_held_lock+0x36/0x1c0 [ 399.358219] (UME) [ 399.360541] ? __run_timers+0x7da/0xc70 [ 399.364572] 1*64kB [ 399.366710] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.370655] (U) [ 399.372887] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.377372] 0*128kB [ 399.379336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.383816] 0*256kB [ 399.386143] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.390348] 2*512kB (U) [ 399.392696] ? trace_hardirqs_on+0xbd/0x310 [ 399.397248] 1*1024kB (U) [ 399.399922] ? kasan_check_read+0x11/0x20 [ 399.404218] 0*2048kB [ 399.406969] ? __run_timers+0x7da/0xc70 [ 399.411092] 0*4096kB [ 399.413497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.417447] = 13976kB [ 399.419849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.425321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.427718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.431931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.440751] __run_timers+0x7e5/0xc70 [ 399.444964] 2889 total pagecache pages [ 399.453541] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.457312] 0 pages in swap cache [ 399.461188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.466527] Swap cache stats: add 0, delete 0, find 0/0 [ 399.469972] ? rcu_bh_qs+0xc0/0xc0 [ 399.475224] Free swap = 0kB [ 399.480581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.484096] Total swap = 0kB [ 399.487110] ? check_preemption_disabled+0x48/0x200 [ 399.492635] 1965979 pages RAM [ 399.495650] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.500633] 0 pages HighMem/MovableOnly [ 399.500642] 342306 pages reserved [ 399.503743] ? retint_kernel+0x2d/0x2d [ 399.508466] 0 pages cma reserved [ 399.512447] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.515968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.519761] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.519776] ? trace_hardirqs_off+0x310/0x310 [ 399.519802] ? check_preemption_disabled+0x48/0x200 [ 399.519819] ? graph_lock+0x170/0x170 [ 399.523285] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.528087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.528106] ? check_preemption_disabled+0x48/0x200 [ 399.534782] syz-executor1 cpuset= [ 399.539548] ? __lock_is_held+0xb5/0x140 [ 399.544227] syz1 [ 399.549151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.549166] ? check_preemption_disabled+0x48/0x200 [ 399.549190] run_timer_softirq+0x52/0xb0 [ 399.549209] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.549224] __do_softirq+0x30b/0xad8 [ 399.549249] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.553161] mems_allowed=0 [ 399.563642] ? pvclock_read_flags+0x160/0x160 [ 399.619407] ? lapic_next_event+0x5a/0x90 [ 399.623559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.629101] ? check_preemption_disabled+0x48/0x200 [ 399.634120] ? check_preemption_disabled+0x48/0x200 [ 399.639143] ? kvm_clock_read+0x18/0x30 [ 399.643124] ? kvm_sched_clock_read+0x9/0x20 [ 399.647539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.653078] ? check_preemption_disabled+0x48/0x200 [ 399.658110] irq_exit+0x17f/0x1c0 [ 399.661570] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.666414] ? smp_reschedule_interrupt+0x109/0x650 [ 399.671431] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.677323] ? interrupt_entry+0xb5/0xf0 [ 399.681391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.686415] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.691438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.696283] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.701300] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.706318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.711855] ? check_preemption_disabled+0x48/0x200 [ 399.716878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.722423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.727274] apic_timer_interrupt+0xf/0x20 [ 399.731507] [ 399.733748] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 399.738679] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 399.757674] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 399.765384] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 399.772650] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 399.779917] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 399.787181] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 399.794468] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 399.801779] skb_clone+0x1bb/0x500 [ 399.805335] ? finish_task_switch+0x2f5/0x900 [ 399.809841] ? skb_split+0x11e0/0x11e0 [ 399.813747] ? preempt_notifier_register+0x200/0x200 [ 399.818854] ? __switch_to_asm+0x34/0x70 [ 399.822916] ? __switch_to_asm+0x34/0x70 [ 399.826978] ? __switch_to_asm+0x40/0x70 [ 399.831037] ? __switch_to_asm+0x34/0x70 [ 399.835102] ? __switch_to_asm+0x40/0x70 [ 399.839163] ? __switch_to_asm+0x34/0x70 [ 399.843231] ? __switch_to_asm+0x40/0x70 [ 399.847317] ? __switch_to_asm+0x34/0x70 [ 399.851382] ? __switch_to_asm+0x34/0x70 [ 399.855444] ? __switch_to_asm+0x40/0x70 [ 399.859506] ? __switch_to_asm+0x34/0x70 [ 399.863597] bpf_clone_redirect+0xb9/0x490 [ 399.867838] ? __schedule+0x874/0x1ed0 [ 399.871737] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 399.876770] ? __sched_text_start+0x8/0x8 [ 399.880948] ? retint_kernel+0x2d/0x2d [ 399.884849] ? find_held_lock+0x36/0x1c0 [ 399.888924] ? lock_acquire+0x1ed/0x520 [ 399.892901] ? bpf_test_run+0x3cb/0x780 [ 399.896890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.902436] ? check_preemption_disabled+0x48/0x200 [ 399.907464] ? kasan_check_read+0x11/0x20 [ 399.911622] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.916906] ? rcu_bh_qs+0xc0/0xc0 [ 399.920451] ? preempt_schedule+0x4d/0x60 [ 399.924607] ? ___preempt_schedule+0x16/0x18 [ 399.929028] ? bpf_test_run+0x25d/0x780 [ 399.933017] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.937434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.942978] ? bpf_test_init.isra.9+0x70/0x100 [ 399.947565] ? bpf_prog_test_run_skb+0x634/0xb40 [ 399.952629] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.957482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.963021] ? fput+0x130/0x1a0 [ 399.966309] ? __bpf_prog_get+0x9b/0x290 [ 399.970377] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.975220] ? bpf_prog_test_run+0x130/0x1a0 [ 399.979631] ? __x64_sys_bpf+0x3d8/0x510 [ 399.983692] ? bpf_prog_get+0x20/0x20 [ 399.987517] ? do_syscall_64+0x1b9/0x820 [ 399.991581] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.996947] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.001879] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.006896] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.011913] ? recalc_sigpending_tsk+0x180/0x180 [ 400.016675] ? kasan_check_write+0x14/0x20 [ 400.020932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.025794] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.031181] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 400.031300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.038458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.038465] Call Trace: [ 400.038472] [ 400.038491] dump_stack+0x1c4/0x2b4 [ 400.038512] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.045049] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.054347] warn_alloc.cold.119+0xb7/0x1bd [ 400.056902] syz-executor2 cpuset= [ 400.059046] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.062651] syz2 [ 400.067842] ? lock_downgrade+0x900/0x900 [ 400.078307] mems_allowed=0 [ 400.082812] ? trace_hardirqs_off+0xb8/0x310 [ 400.104489] ? trace_hardirqs_off+0xb8/0x310 [ 400.108913] __alloc_pages_slowpath+0x2667/0x2d80 [ 400.113800] ? warn_alloc+0x120/0x120 [ 400.117611] ? warn_alloc+0x120/0x120 [ 400.121419] ? print_usage_bug+0xc0/0xc0 [ 400.125486] ? warn_alloc+0x120/0x120 [ 400.129290] ? print_usage_bug+0xc0/0xc0 [ 400.133356] ? __lock_acquire+0x7ec/0x4ec0 [ 400.137592] ? __lock_acquire+0x7ec/0x4ec0 [ 400.141832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.147375] ? should_fail+0x22d/0xd01 [ 400.151263] ? __lock_acquire+0x7ec/0x4ec0 [ 400.155508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.160613] ? __lock_acquire+0x7ec/0x4ec0 [ 400.164864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.169968] ? __lock_acquire+0x7ec/0x4ec0 [ 400.174202] ? should_fail+0x22d/0xd01 [ 400.178104] ? mark_held_locks+0x130/0x130 [ 400.182342] ? mark_held_locks+0x130/0x130 [ 400.186587] ? __lock_acquire+0x7ec/0x4ec0 [ 400.190826] ? graph_lock+0x170/0x170 [ 400.194630] ? print_usage_bug+0xc0/0xc0 [ 400.198697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.204239] ? check_preemption_disabled+0x48/0x200 [ 400.209257] ? check_preemption_disabled+0x48/0x200 [ 400.214288] ? __lock_is_held+0xb5/0x140 [ 400.218357] __alloc_pages_nodemask+0xa80/0xde0 [ 400.223034] ? graph_lock+0x170/0x170 [ 400.226840] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 400.231869] ? graph_lock+0x170/0x170 [ 400.235684] ? find_held_lock+0x36/0x1c0 [ 400.239755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.244435] ? lock_downgrade+0x900/0x900 [ 400.248592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.254138] cache_grow_begin+0x91/0x8c0 [ 400.258217] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.262640] fallback_alloc+0x203/0x2e0 [ 400.266628] ____cache_alloc_node+0x1c7/0x1e0 [ 400.271185] kmem_cache_alloc_node+0xe3/0x730 [ 400.275686] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.280102] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 400.284697] __alloc_skb+0x119/0x770 [ 400.288419] ? skb_scrub_packet+0x490/0x490 [ 400.292748] ? atomic_notifier_call_chain+0xc6/0x190 [ 400.297868] ? lock_downgrade+0x900/0x900 [ 400.302021] ? check_preemption_disabled+0x48/0x200 [ 400.307056] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.312863] ? kasan_check_read+0x11/0x20 [ 400.317026] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.322313] ? rcu_bh_qs+0xc0/0xc0 [ 400.325867] ? find_next_bit+0x104/0x130 [ 400.329941] ? do_raw_write_trylock+0x1c0/0x1c0 [ 400.334627] __neigh_notify+0x8c/0x160 [ 400.338521] ? __neigh_event_send+0x1390/0x1390 [ 400.343201] neigh_timer_handler+0x6cb/0xdf0 [ 400.347618] ? __neigh_for_each_release+0x520/0x520 [ 400.352638] ? __lock_is_held+0xb5/0x140 [ 400.356718] call_timer_fn+0x272/0x920 [ 400.360612] ? __neigh_for_each_release+0x520/0x520 [ 400.365633] ? process_timeout+0x40/0x40 [ 400.369693] ? find_held_lock+0x36/0x1c0 [ 400.373767] ? mark_held_locks+0xc7/0x130 [ 400.377929] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.382425] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.386922] ? __neigh_for_each_release+0x520/0x520 [ 400.391941] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 400.396524] ? trace_hardirqs_on+0xbd/0x310 [ 400.400847] ? kasan_check_read+0x11/0x20 [ 400.405003] ? __run_timers+0x7da/0xc70 [ 400.408981] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.414449] ? __neigh_for_each_release+0x520/0x520 [ 400.419470] __run_timers+0x7e5/0xc70 [ 400.423285] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 400.428654] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.433671] ? graph_lock+0x170/0x170 [ 400.437477] ? print_usage_bug+0xc0/0xc0 [ 400.441539] ? lock_release+0x970/0x970 [ 400.445512] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.450727] ? find_held_lock+0x36/0x1c0 [ 400.454801] ? graph_lock+0x170/0x170 [ 400.458607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.464149] ? check_preemption_disabled+0x48/0x200 [ 400.469182] ? __lock_is_held+0xb5/0x140 [ 400.473245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.478793] ? check_preemption_disabled+0x48/0x200 [ 400.483835] run_timer_softirq+0x52/0xb0 [ 400.487904] ? rcu_read_lock_sched_held+0x108/0x120 [ 400.492927] __do_softirq+0x30b/0xad8 [ 400.496737] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.501849] ? pvclock_read_flags+0x160/0x160 [ 400.506353] ? lapic_next_event+0x5a/0x90 [ 400.510502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.516041] ? check_preemption_disabled+0x48/0x200 [ 400.521056] ? check_preemption_disabled+0x48/0x200 [ 400.526082] ? kvm_clock_read+0x18/0x30 [ 400.530058] ? kvm_sched_clock_read+0x9/0x20 [ 400.534468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.540010] ? check_preemption_disabled+0x48/0x200 [ 400.545043] irq_exit+0x17f/0x1c0 [ 400.548501] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.553342] ? smp_reschedule_interrupt+0x109/0x650 [ 400.558364] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.564255] ? interrupt_entry+0xb5/0xf0 [ 400.568318] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.573337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.578359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.583203] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.588221] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.593237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.598776] ? check_preemption_disabled+0x48/0x200 [ 400.603810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.609364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.614223] apic_timer_interrupt+0xf/0x20 [ 400.618452] [ 400.620694] RIP: 0010:console_unlock+0xfdf/0x1160 [ 400.625539] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 400.644441] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 400.652165] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 400.659471] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 400.666740] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 400.674005] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 400.681276] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 400.688566] ? netconsole_netdev_event+0x280/0x280 [ 400.693509] ? console_unlock+0xfd6/0x1160 [ 400.697770] ? devkmsg_read+0xbb0/0xbb0 [ 400.701751] ? vprintk_emit+0x7f7/0x930 [ 400.705728] ? lock_release+0x970/0x970 [ 400.709702] ? trace_hardirqs_on+0x10/0x310 [ 400.714036] ? vprintk_default+0x28/0x30 [ 400.718102] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.723558] ? kasan_check_write+0x14/0x20 [ 400.727801] ? do_raw_spin_lock+0xc1/0x200 [ 400.732051] vprintk_emit+0x33d/0x930 [ 400.735866] ? wake_up_klogd+0x180/0x180 [ 400.739969] ? find_held_lock+0x36/0x1c0 [ 400.744042] ? mark_held_locks+0xc7/0x130 [ 400.748199] vprintk_default+0x28/0x30 [ 400.752089] vprintk_func+0x7e/0x181 [ 400.755811] printk+0xa7/0xcf [ 400.758923] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 400.763685] ? kasan_check_write+0x14/0x20 [ 400.767921] ? do_raw_spin_lock+0xc1/0x200 [ 400.772169] show_free_areas.cold.120+0x1b8e/0x215d [ 400.777214] ? si_meminfo_node+0x260/0x260 [ 400.781451] ? __lock_acquire+0x7ec/0x4ec0 [ 400.785689] ? __lock_acquire+0x7ec/0x4ec0 [ 400.789927] ? __lock_acquire+0x7ec/0x4ec0 [ 400.794166] ? kasan_check_write+0x14/0x20 [ 400.798402] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 400.804211] ? mark_held_locks+0x130/0x130 [ 400.808447] ? mark_held_locks+0x130/0x130 [ 400.812689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.818224] ? graph_lock+0x170/0x170 [ 400.822030] ? put_dec+0x3b/0xf0 [ 400.825398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.830937] ? number+0x972/0xca0 [ 400.834395] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 400.839415] ? find_held_lock+0x36/0x1c0 [ 400.843490] ? serial8250_console_write+0x8b3/0xb10 [ 400.848509] ? lock_downgrade+0x900/0x900 [ 400.852659] ? graph_lock+0x170/0x170 [ 400.856459] ? graph_lock+0x170/0x170 [ 400.860259] ? print_usage_bug+0xc0/0xc0 [ 400.864325] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.868736] ? trace_hardirqs_on+0x310/0x310 [ 400.873147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.878683] ? wq_watchdog_touch+0x9c/0xfe [ 400.882919] ? io_serial_in+0x11/0x90 [ 400.886728] ? find_held_lock+0x36/0x1c0 [ 400.890817] ? mark_held_locks+0xc7/0x130 [ 400.894973] ? console_unlock+0xfaa/0x1160 [ 400.899211] ? console_unlock+0xfaa/0x1160 [ 400.903453] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.908042] ? vprintk_emit+0x33d/0x930 [ 400.912018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.917473] ? kasan_check_write+0x14/0x20 [ 400.921715] ? do_raw_spin_lock+0xc1/0x200 [ 400.925960] ? netconsole_netdev_event+0x280/0x280 [ 400.930894] ? console_unlock+0x9ba/0x1160 [ 400.935141] ? devkmsg_read+0xbb0/0xbb0 [ 400.939125] ? lock_release+0x970/0x970 [ 400.943104] ? preempt_count_add+0x7d/0x160 [ 400.947431] ? wake_up_klogd+0x11a/0x180 [ 400.951497] ? console_device+0xc0/0xc0 [ 400.955483] ? vprintk_emit+0x268/0x930 [ 400.959468] ? wake_up_klogd+0x180/0x180 [ 400.963534] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.968293] ? trace_hardirqs_off+0x310/0x310 [ 400.972798] ? retint_kernel+0x1b/0x2d [ 400.976691] ? trace_hardirqs_on+0x310/0x310 [ 400.981110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.985880] ? retint_kernel+0x2d/0x2d [ 400.989780] ? arch_local_irq_restore+0x45/0x52 [ 400.994466] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 400.999483] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 401.004252] ? show_mem+0x1e/0x17b [ 401.007803] show_mem+0x34/0x17b [ 401.011178] dump_header+0x2f1/0xf72 [ 401.014903] ? pagefault_out_of_memory+0x197/0x197 [ 401.019843] ? __lock_acquire+0x7ec/0x4ec0 [ 401.024091] ? print_usage_bug+0xc0/0xc0 [ 401.028158] ? graph_lock+0x170/0x170 [ 401.031963] ? print_usage_bug+0xc0/0xc0 [ 401.036021] ? print_usage_bug+0xc0/0xc0 [ 401.040092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.045634] ? find_held_lock+0x36/0x1c0 [ 401.049703] ? mark_held_locks+0xc7/0x130 [ 401.053864] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.058972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.064078] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.068667] ? trace_hardirqs_on+0xbd/0x310 [ 401.073012] ? kasan_check_read+0x11/0x20 [ 401.077160] ? ___ratelimit+0x36f/0x655 [ 401.081139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.086594] ? trace_hardirqs_on+0x310/0x310 [ 401.091010] ? lock_downgrade+0x900/0x900 [ 401.095174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.100283] ? ___ratelimit+0xaa/0x655 [ 401.104175] ? idr_get_free+0xec0/0xec0 [ 401.108155] ? kasan_check_write+0x14/0x20 [ 401.112395] ? do_raw_spin_lock+0xc1/0x200 [ 401.116644] oom_kill_process.cold.27+0x10/0x903 [ 401.121405] ? graph_lock+0x170/0x170 [ 401.125220] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.131020] ? kasan_check_read+0x11/0x20 [ 401.135173] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.140455] ? oom_evaluate_task+0x540/0x540 [ 401.144877] ? find_held_lock+0x36/0x1c0 [ 401.148949] ? out_of_memory+0x974/0x1430 [ 401.153098] ? lock_downgrade+0x900/0x900 [ 401.157249] ? check_preemption_disabled+0x48/0x200 [ 401.162273] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.168071] ? kasan_check_read+0x11/0x20 [ 401.172224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.177503] ? rcu_bh_qs+0xc0/0xc0 [ 401.181051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.186593] ? oom_evaluate_task+0x302/0x540 [ 401.191005] out_of_memory+0xa84/0x1430 [ 401.194997] ? oom_killer_disable+0x3a0/0x3a0 [ 401.199493] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 401.204429] ? __mutex_add_waiter+0x2a0/0x2a0 [ 401.208939] __alloc_pages_slowpath+0x2318/0x2d80 [ 401.213825] ? warn_alloc+0x120/0x120 [ 401.217635] ? trace_hardirqs_on+0x310/0x310 [ 401.222051] ? print_usage_bug+0xc0/0xc0 [ 401.226118] ? warn_alloc+0x120/0x120 [ 401.229925] ? print_usage_bug+0xc0/0xc0 [ 401.233994] ? print_usage_bug+0xc0/0xc0 [ 401.238070] ? free_one_page+0x1700/0x1700 [ 401.242327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.247935] ? should_fail+0x22d/0xd01 [ 401.251834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.256953] ? __lock_acquire+0x7ec/0x4ec0 [ 401.261221] ? __lock_is_held+0xb5/0x140 [ 401.265293] ? graph_lock+0x170/0x170 [ 401.269104] ? ___might_sleep+0x1ed/0x300 [ 401.273257] ? lock_release+0x970/0x970 [ 401.277240] ? arch_local_save_flags+0x40/0x40 [ 401.281838] ? __might_sleep+0x95/0x190 [ 401.285830] __alloc_pages_nodemask+0xa80/0xde0 [ 401.290514] ? graph_lock+0x170/0x170 [ 401.294323] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.299339] ? graph_lock+0x170/0x170 [ 401.303161] ? mark_held_locks+0xc7/0x130 [ 401.307308] ? find_held_lock+0x36/0x1c0 [ 401.311376] ? cache_grow_begin+0x5a4/0x8c0 [ 401.315709] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.320303] ? trace_hardirqs_on+0xbd/0x310 [ 401.324632] ? fallback_alloc+0x203/0x2e0 [ 401.328781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.334253] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.339805] cache_grow_begin+0x91/0x8c0 [ 401.343881] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.348304] fallback_alloc+0x203/0x2e0 [ 401.352290] ____cache_alloc_node+0x1c7/0x1e0 [ 401.356800] kmem_cache_alloc_node_trace+0xe7/0x740 [ 401.361842] __kmalloc_node_track_caller+0x33/0x70 [ 401.366782] __kmalloc_reserve.isra.39+0x41/0xe0 [ 401.371554] __alloc_skb+0x155/0x770 [ 401.375276] ? skb_scrub_packet+0x490/0x490 [ 401.379642] ? if_nlmsg_size+0x5d1/0xbb0 [ 401.383708] ? nla_put_ifalias+0x170/0x170 [ 401.387961] ? sk_psock_stop_strp+0x120/0x120 [ 401.392456] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.397476] ? netif_tx_stop_all_queues+0xd9/0x110 [ 401.402415] rtmsg_ifinfo_build_skb+0x74/0x190 [ 401.407003] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 401.411860] rtmsg_ifinfo+0x8c/0xa0 [ 401.415495] dev_close_many+0x3be/0x860 [ 401.419484] ? netdev_master_upper_dev_link+0x50/0x50 [ 401.424677] ? find_held_lock+0x36/0x1c0 [ 401.428745] ? __queue_work+0x6be/0x1440 [ 401.432816] ? lock_downgrade+0x900/0x900 [ 401.436970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.442508] ? rtnl_is_locked+0xb5/0xf0 [ 401.446487] ? rtnl_trylock+0x20/0x20 [ 401.450289] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.454702] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 401.459293] rollback_registered_many+0x543/0x1210 [ 401.464229] ? generic_xdp_install+0x4c0/0x4c0 [ 401.468830] ? max_active_store+0x170/0x170 [ 401.473160] ? graph_lock+0x170/0x170 [ 401.476965] ? print_usage_bug+0xc0/0xc0 [ 401.481026] ? print_usage_bug+0xc0/0xc0 [ 401.485090] ? __debug_object_init+0x57d/0x1290 [ 401.489761] ? graph_lock+0x170/0x170 [ 401.493570] ? print_usage_bug+0xc0/0xc0 [ 401.497637] ? find_held_lock+0x36/0x1c0 [ 401.501713] ? mark_held_locks+0xc7/0x130 [ 401.505878] rollback_registered+0x1e9/0x420 [ 401.510291] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 401.514880] ? rollback_registered_many+0x1210/0x1210 [ 401.520071] ? trace_hardirqs_on+0xbd/0x310 [ 401.524399] ? linkwatch_schedule_work+0x150/0x170 [ 401.529330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.534799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.540343] ? rtnl_is_locked+0xb5/0xf0 [ 401.544318] ? rtnl_trylock+0x20/0x20 [ 401.548122] ? queue_delayed_work_on+0x130/0x1f0 [ 401.552887] unregister_netdevice_queue+0x321/0x5e0 [ 401.557908] ? rollback_registered+0x420/0x420 [ 401.562497] ? linkwatch_schedule_work+0x170/0x170 [ 401.567429] ? tun_show_owner+0x170/0x170 [ 401.571583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.577123] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 401.582491] ? __tun_detach+0x6ba/0x15c0 [ 401.586564] __tun_detach+0x11b8/0x15c0 [ 401.590547] ? __call_rcu.constprop.69+0x429/0xbc0 [ 401.595490] ? tun_attach+0x1900/0x1900 [ 401.599471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.605015] ? check_preemption_disabled+0x48/0x200 [ 401.610046] ? graph_lock+0x170/0x170 [ 401.613863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.619405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.624951] ? locks_remove_file+0x3c6/0x5c0 [ 401.629375] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 401.634934] ? ima_file_free+0x132/0x650 [ 401.639020] ? __lock_is_held+0xb5/0x140 [ 401.643101] ? __tun_detach+0x15c0/0x15c0 [ 401.647259] ? __tun_detach+0x15c0/0x15c0 [ 401.651412] tun_chr_close+0xe3/0x180 [ 401.655222] __fput+0x385/0xa30 [ 401.658516] ? get_max_files+0x20/0x20 [ 401.662420] ? ___might_sleep+0x1ed/0x300 [ 401.666576] ? arch_local_save_flags+0x40/0x40 [ 401.671183] ____fput+0x15/0x20 [ 401.674469] task_work_run+0x1e8/0x2a0 [ 401.678365] ? task_work_cancel+0x240/0x240 [ 401.682695] ? switch_task_namespaces+0xb8/0xd0 [ 401.687375] do_exit+0x1ad7/0x2610 [ 401.690927] ? mm_update_next_owner+0x990/0x990 [ 401.695602] ? print_usage_bug+0xc0/0xc0 [ 401.699663] ? perf_trace_lock+0x14d/0x7a0 [ 401.703908] ? __lock_acquire+0x7ec/0x4ec0 [ 401.708147] ? find_held_lock+0x36/0x1c0 [ 401.712223] ? __lock_acquire+0x7ec/0x4ec0 [ 401.716458] ? mark_held_locks+0x130/0x130 [ 401.720697] ? lock_acquire+0x1ed/0x520 [ 401.724679] ? mark_held_locks+0x130/0x130 [ 401.728916] ? arch_local_save_flags+0x40/0x40 [ 401.733499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.739059] ? __mutex_lock+0x85e/0x1700 [ 401.743129] ? __switch_to_asm+0x40/0x70 [ 401.747194] ? __switch_to_asm+0x34/0x70 [ 401.751254] ? pipe_wait+0x266/0x2c0 [ 401.754985] ? mutex_trylock+0x2b0/0x2b0 [ 401.759059] ? graph_lock+0x170/0x170 [ 401.762867] ? find_held_lock+0x36/0x1c0 [ 401.766937] ? memset+0x31/0x40 [ 401.770223] ? find_held_lock+0x36/0x1c0 [ 401.774295] ? get_signal+0x95b/0x1980 [ 401.778187] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.782685] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.787191] do_group_exit+0x177/0x440 [ 401.791083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.796534] ? __ia32_sys_exit+0x50/0x50 [ 401.800612] get_signal+0x8b0/0x1980 [ 401.804339] ? ptrace_notify+0x130/0x130 [ 401.808409] ? finish_wait+0x430/0x430 [ 401.812297] ? graph_lock+0x170/0x170 [ 401.816106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.821644] ? pipe_read+0x702/0x940 [ 401.825362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.830913] do_signal+0x9c/0x21e0 [ 401.834458] ? __vfs_read+0x11f/0x9b0 [ 401.838266] ? vfs_copy_file_range+0xb90/0xb90 [ 401.842850] ? setup_sigcontext+0x7d0/0x7d0 [ 401.847200] ? exit_to_usermode_loop+0x8c/0x380 [ 401.851893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.857439] exit_to_usermode_loop+0x2e5/0x380 [ 401.862029] ? syscall_slow_exit_work+0x520/0x520 [ 401.866879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.872431] do_syscall_64+0x6be/0x820 [ 401.876328] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 401.881697] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.886651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.891510] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.896539] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.901572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.906437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.911627] RIP: 0033:0x410fa0 [ 401.914832] Code: Bad RIP value. [ 401.918197] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 401.925910] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 401.933191] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 401.940459] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 401.947739] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 401.955423] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 401.962732] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 401.962738] warn_alloc_show_mem: 1 callbacks suppressed [ 401.962745] Mem-Info: [ 401.970115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.975494] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 401.975494] active_file:8 inactive_file:19 isolated_file:0 [ 401.975494] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.975494] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 401.975494] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 401.975494] free:13766 free_pcp:526 free_cma:0 [ 401.977869] Call Trace: [ 401.987261] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.020199] [ 402.022773] Node 0 [ 402.050645] dump_stack+0x1c4/0x2b4 [ 402.052799] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 402.055006] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.058597] lowmem_reserve[]: 0 [ 402.084644] warn_alloc.cold.119+0xb7/0x1bd [ 402.089813] 2819 [ 402.093085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.097383] 6323 [ 402.099442] ? lock_downgrade+0x900/0x900 [ 402.104255] 6323 [ 402.106319] ? trace_hardirqs_off+0xb8/0x310 [ 402.110437] Node 0 [ 402.112502] ? trace_hardirqs_off+0xb8/0x310 [ 402.116911] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 402.119126] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.123505] lowmem_reserve[]: 0 [ 402.150708] ? warn_alloc+0x120/0x120 [ 402.155501] 0 [ 402.158778] ? lock_release+0x970/0x970 [ 402.162558] 3503 [ 402.164378] ? warn_alloc+0x120/0x120 [ 402.168316] 3503 [ 402.170386] ? print_usage_bug+0xc0/0xc0 [ 402.174163] Node 0 [ 402.176217] ? warn_alloc+0x120/0x120 [ 402.180277] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 402.182484] ? print_usage_bug+0xc0/0xc0 [ 402.186249] lowmem_reserve[]: 0 [ 402.214827] ? __lock_acquire+0x7ec/0x4ec0 [ 402.218863] 0 [ 402.222136] ? __lock_acquire+0x7ec/0x4ec0 [ 402.226343] 0 [ 402.228147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.232350] 0 [ 402.234154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.241485] ? should_fail+0x22d/0xd01 [ 402.246989] Node 0 [ 402.250883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.250887] DMA: 1*4kB [ 402.253133] ? __lock_acquire+0x7ec/0x4ec0 [ 402.258224] (U) [ 402.260826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.265031] 0*8kB 0*16kB [ 402.267020] ? __lock_acquire+0x7ec/0x4ec0 [ 402.272091] 1*32kB [ 402.274849] ? should_fail+0x22d/0xd01 [ 402.279057] (U) [ 402.281296] ? mark_held_locks+0x130/0x130 [ 402.285139] 2*64kB (U) [ 402.287120] ? mark_held_locks+0x130/0x130 [ 402.291330] 1*128kB [ 402.293908] ? graph_lock+0x170/0x170 [ 402.298115] (U) [ 402.300433] ? print_usage_bug+0xc0/0xc0 [ 402.304207] 1*256kB [ 402.306179] ? graph_lock+0x170/0x170 [ 402.310218] (U) [ 402.312538] ? print_usage_bug+0xc0/0xc0 [ 402.316315] 0*512kB [ 402.318287] ? wq_watchdog_touch+0x9c/0xfe [ 402.322320] 1*1024kB [ 402.324637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.328841] (U) [ 402.331251] ? check_preemption_disabled+0x48/0x200 [ 402.336760] 1*2048kB [ 402.338729] ? check_preemption_disabled+0x48/0x200 [ 402.343715] (M) [ 402.346130] ? __lock_is_held+0xb5/0x140 [ 402.351115] 3*4096kB [ 402.353093] __alloc_pages_nodemask+0xa80/0xde0 [ 402.357122] (M) [ 402.359524] ? graph_lock+0x170/0x170 [ 402.364173] = 15908kB [ 402.366147] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.369920] Node 0 [ 402.372323] ? graph_lock+0x170/0x170 [ 402.377311] DMA32: [ 402.379552] ? find_held_lock+0x36/0x1c0 [ 402.383322] 3*4kB [ 402.385565] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.389596] (M) [ 402.391744] ? lock_downgrade+0x900/0x900 [ 402.396386] 2*8kB [ 402.398371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.402481] (UM) [ 402.404632] cache_grow_begin+0x91/0x8c0 [ 402.410140] 2*16kB [ 402.412199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.416232] (M) [ 402.418470] fallback_alloc+0x203/0x2e0 [ 402.422844] 3*32kB (UM) [ 402.424832] ____cache_alloc_node+0x1c7/0x1e0 [ 402.428774] 5*64kB (UM) [ 402.431464] kmem_cache_alloc_node+0xe3/0x730 [ 402.435924] 3*128kB (M) [ 402.438599] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.443065] 3*256kB [ 402.445737] __alloc_skb+0x119/0x770 [ 402.449943] (M) [ 402.452264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.455947] 4*512kB [ 402.457920] ? skb_scrub_packet+0x490/0x490 [ 402.463173] (UM) [ 402.465504] ? lock_downgrade+0x900/0x900 [ 402.469811] 3*1024kB [ 402.471884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.476010] (UM) [ 402.478427] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.483931] 3*2048kB [ 402.485989] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.491411] (UM) [ 402.493827] ? addrconf_rs_timer+0x690/0x690 [ 402.499244] 3*4096kB (M) [ 402.501316] ndisc_alloc_skb+0x144/0x340 [ 402.505690] = 25180kB [ 402.508441] ndisc_send_rs+0x331/0x6e0 [ 402.512473] Node 0 [ 402.514881] addrconf_rs_timer+0x314/0x690 [ 402.518738] Normal: [ 402.520974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.525185] 960*4kB [ 402.527519] call_timer_fn+0x272/0x920 [ 402.531710] (MEH) [ 402.534035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.537888] 471*8kB (UME) [ 402.540045] ? process_timeout+0x40/0x40 [ 402.544430] 178*16kB (ME) [ 402.547284] ? find_held_lock+0x36/0x1c0 [ 402.551324] 44*32kB [ 402.554177] ? __run_timers+0x7da/0xc70 [ 402.558201] (UME) [ 402.560523] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.564470] 1*64kB [ 402.566612] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.571074] (U) 0*128kB [ 402.573323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.577800] 0*256kB 2*512kB [ 402.580483] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.584690] (U) [ 402.587707] ? trace_hardirqs_on+0xbd/0x310 [ 402.592264] 1*1024kB [ 402.594240] ? kasan_check_read+0x11/0x20 [ 402.598530] (U) [ 402.600940] ? __run_timers+0x7da/0xc70 [ 402.605065] 0*2048kB [ 402.607049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.610988] 0*4096kB = 13976kB [ 402.613403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.618835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.622018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.626228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.635063] __run_timers+0x7e5/0xc70 [ 402.639268] 2889 total pagecache pages [ 402.647869] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.651645] 0 pages in swap cache [ 402.655534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.660882] Swap cache stats: add 0, delete 0, find 0/0 [ 402.664344] ? rcu_bh_qs+0xc0/0xc0 [ 402.669596] Free swap = 0kB [ 402.674962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.678470] Total swap = 0kB [ 402.681489] ? check_preemption_disabled+0x48/0x200 [ 402.686995] 1965979 pages RAM [ 402.690023] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.695010] 0 pages HighMem/MovableOnly [ 402.698115] ? retint_kernel+0x2d/0x2d [ 402.702837] 342306 pages reserved [ 402.702845] 0 pages cma reserved [ 402.706818] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.710826] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.714121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.717464] syz-executor1 cpuset= [ 402.722388] ? trace_hardirqs_off+0x310/0x310 [ 402.732846] syz1 [ 402.737600] ? check_preemption_disabled+0x48/0x200 [ 402.741026] mems_allowed=0 [ 402.745512] ? graph_lock+0x170/0x170 [ 402.759181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.764724] ? check_preemption_disabled+0x48/0x200 [ 402.769754] ? __lock_is_held+0xb5/0x140 [ 402.773827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.779373] ? check_preemption_disabled+0x48/0x200 [ 402.784408] run_timer_softirq+0x52/0xb0 [ 402.788471] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.793491] __do_softirq+0x30b/0xad8 [ 402.797304] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.802417] ? pvclock_read_flags+0x160/0x160 [ 402.806918] ? lapic_next_event+0x5a/0x90 [ 402.811072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.816617] ? check_preemption_disabled+0x48/0x200 [ 402.821633] ? check_preemption_disabled+0x48/0x200 [ 402.826656] ? kvm_clock_read+0x18/0x30 [ 402.830636] ? kvm_sched_clock_read+0x9/0x20 [ 402.835054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.840597] ? check_preemption_disabled+0x48/0x200 [ 402.845629] irq_exit+0x17f/0x1c0 [ 402.849086] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.853929] ? smp_reschedule_interrupt+0x109/0x650 [ 402.858953] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.864843] ? interrupt_entry+0xb5/0xf0 [ 402.868912] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.873931] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.878955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.883811] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.888829] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.893847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.899407] ? check_preemption_disabled+0x48/0x200 [ 402.904426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.909971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.914847] apic_timer_interrupt+0xf/0x20 [ 402.919092] [ 402.921369] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.926301] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 402.945211] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 402.952931] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.960206] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 402.967477] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 402.974746] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.982016] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 402.989341] skb_clone+0x1bb/0x500 [ 402.992893] ? finish_task_switch+0x2f5/0x900 [ 402.997393] ? skb_split+0x11e0/0x11e0 [ 403.001282] ? preempt_notifier_register+0x200/0x200 [ 403.006391] ? __switch_to_asm+0x34/0x70 [ 403.010457] ? __switch_to_asm+0x34/0x70 [ 403.014517] ? __switch_to_asm+0x40/0x70 [ 403.018576] ? __switch_to_asm+0x34/0x70 [ 403.022649] ? __switch_to_asm+0x40/0x70 [ 403.026713] ? __switch_to_asm+0x34/0x70 [ 403.030773] ? __switch_to_asm+0x40/0x70 [ 403.034846] ? __switch_to_asm+0x34/0x70 [ 403.038912] ? __switch_to_asm+0x34/0x70 [ 403.042972] ? __switch_to_asm+0x40/0x70 [ 403.047050] ? __switch_to_asm+0x34/0x70 [ 403.051120] bpf_clone_redirect+0xb9/0x490 [ 403.055366] ? __schedule+0x874/0x1ed0 [ 403.059262] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 403.064713] ? __sched_text_start+0x8/0x8 [ 403.068869] ? retint_kernel+0x2d/0x2d [ 403.072773] ? find_held_lock+0x36/0x1c0 [ 403.076851] ? lock_acquire+0x1ed/0x520 [ 403.080828] ? bpf_test_run+0x3cb/0x780 [ 403.084814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.090362] ? check_preemption_disabled+0x48/0x200 [ 403.095391] ? kasan_check_read+0x11/0x20 [ 403.099543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.104827] ? rcu_bh_qs+0xc0/0xc0 [ 403.108378] ? preempt_schedule+0x4d/0x60 [ 403.112528] ? ___preempt_schedule+0x16/0x18 [ 403.116950] ? bpf_test_run+0x25d/0x780 [ 403.120939] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.125360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.130902] ? bpf_test_init.isra.9+0x70/0x100 [ 403.135493] ? bpf_prog_test_run_skb+0x634/0xb40 [ 403.140257] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 403.145100] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.150644] ? fput+0x130/0x1a0 [ 403.153926] ? __bpf_prog_get+0x9b/0x290 [ 403.157992] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 403.162835] ? bpf_prog_test_run+0x130/0x1a0 [ 403.167251] ? __x64_sys_bpf+0x3d8/0x510 [ 403.171311] ? bpf_prog_get+0x20/0x20 [ 403.175138] ? do_syscall_64+0x1b9/0x820 [ 403.179206] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.184574] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.189508] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.194526] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 403.199541] ? recalc_sigpending_tsk+0x180/0x180 [ 403.204302] ? kasan_check_write+0x14/0x20 [ 403.208542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.213416] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.218809] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 403.218895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.226091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.226100] Call Trace: [ 403.232769] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.241924] [ 403.244512] syz-executor2 cpuset= [ 403.255021] dump_stack+0x1c4/0x2b4 [ 403.257150] syz2 [ 403.260608] ? dump_stack_print_info.cold.2+0x52/0x52 [ 403.264204] mems_allowed=0 [ 403.266179] warn_alloc.cold.119+0xb7/0x1bd [ 403.278565] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.283418] ? lock_downgrade+0x900/0x900 [ 403.287581] ? trace_hardirqs_off+0xb8/0x310 [ 403.291997] ? trace_hardirqs_off+0xb8/0x310 [ 403.296418] __alloc_pages_slowpath+0x2667/0x2d80 [ 403.301291] ? warn_alloc+0x120/0x120 [ 403.305101] ? warn_alloc+0x120/0x120 [ 403.308909] ? print_usage_bug+0xc0/0xc0 [ 403.312972] ? warn_alloc+0x120/0x120 [ 403.316769] ? lock_release+0x970/0x970 [ 403.320748] ? print_usage_bug+0xc0/0xc0 [ 403.324814] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.330014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.335557] ? should_fail+0x22d/0xd01 [ 403.339455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.344560] ? __lock_acquire+0x7ec/0x4ec0 [ 403.348808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.353916] ? __lock_acquire+0x7ec/0x4ec0 [ 403.358152] ? should_fail+0x22d/0xd01 [ 403.362051] ? mark_held_locks+0x130/0x130 [ 403.366289] ? mark_held_locks+0x130/0x130 [ 403.370524] ? kvm_clock_read+0x18/0x30 [ 403.374504] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.379524] ? ktime_get+0x2e1/0x440 [ 403.383239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.388780] ? graph_lock+0x170/0x170 [ 403.392588] ? print_usage_bug+0xc0/0xc0 [ 403.396655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.402200] ? check_preemption_disabled+0x48/0x200 [ 403.407220] ? check_preemption_disabled+0x48/0x200 [ 403.412248] ? __lock_is_held+0xb5/0x140 [ 403.416316] __alloc_pages_nodemask+0xa80/0xde0 [ 403.420985] ? graph_lock+0x170/0x170 [ 403.424802] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.429822] ? graph_lock+0x170/0x170 [ 403.433643] ? find_held_lock+0x36/0x1c0 [ 403.437718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.442388] ? lock_downgrade+0x900/0x900 [ 403.446548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.452093] cache_grow_begin+0x91/0x8c0 [ 403.456157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.460585] fallback_alloc+0x203/0x2e0 [ 403.464567] ____cache_alloc_node+0x1c7/0x1e0 [ 403.469068] kmem_cache_alloc_node+0xe3/0x730 [ 403.473564] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.477816] __alloc_skb+0x119/0x770 [ 403.481536] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.486825] ? skb_scrub_packet+0x490/0x490 [ 403.491149] ? lock_downgrade+0x900/0x900 [ 403.495304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.500843] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.506307] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.511756] ? addrconf_rs_timer+0x690/0x690 [ 403.516187] ndisc_alloc_skb+0x144/0x340 [ 403.520272] ndisc_send_rs+0x331/0x6e0 [ 403.524168] addrconf_rs_timer+0x314/0x690 [ 403.528413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.532667] call_timer_fn+0x272/0x920 [ 403.536552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.540800] ? process_timeout+0x40/0x40 [ 403.544869] ? find_held_lock+0x36/0x1c0 [ 403.548937] ? mark_held_locks+0xc7/0x130 [ 403.553098] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.557592] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.562085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.566317] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 403.570905] ? trace_hardirqs_on+0xbd/0x310 [ 403.575231] ? kasan_check_read+0x11/0x20 [ 403.579382] ? __run_timers+0x7da/0xc70 [ 403.583358] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.588828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.593070] __run_timers+0x7e5/0xc70 [ 403.596891] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.602257] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.607288] ? graph_lock+0x170/0x170 [ 403.611108] ? print_usage_bug+0xc0/0xc0 [ 403.615166] ? lock_release+0x970/0x970 [ 403.619139] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.624337] ? find_held_lock+0x36/0x1c0 [ 403.628405] ? graph_lock+0x170/0x170 [ 403.632210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.637753] ? check_preemption_disabled+0x48/0x200 [ 403.642783] ? __lock_is_held+0xb5/0x140 [ 403.646873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.652418] ? check_preemption_disabled+0x48/0x200 [ 403.657447] run_timer_softirq+0x52/0xb0 [ 403.661512] ? rcu_read_lock_sched_held+0x108/0x120 [ 403.666530] __do_softirq+0x30b/0xad8 [ 403.670347] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 403.675456] ? pvclock_read_flags+0x160/0x160 [ 403.679955] ? lapic_next_event+0x5a/0x90 [ 403.684103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.689673] ? check_preemption_disabled+0x48/0x200 [ 403.694688] ? check_preemption_disabled+0x48/0x200 [ 403.699710] ? kvm_clock_read+0x18/0x30 [ 403.703684] ? kvm_sched_clock_read+0x9/0x20 [ 403.708094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.713634] ? check_preemption_disabled+0x48/0x200 [ 403.718668] irq_exit+0x17f/0x1c0 [ 403.722125] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.726970] ? smp_reschedule_interrupt+0x109/0x650 [ 403.731988] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.737878] ? interrupt_entry+0xb5/0xf0 [ 403.741942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.746957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.751982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.756826] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.761844] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.766877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.772422] ? check_preemption_disabled+0x48/0x200 [ 403.777443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.782998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.787854] apic_timer_interrupt+0xf/0x20 [ 403.792088] [ 403.794328] RIP: 0010:console_unlock+0xfdf/0x1160 [ 403.799174] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 403.818075] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 403.825796] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 403.833068] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 403.840333] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 403.847602] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 403.854876] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 403.862161] ? netconsole_netdev_event+0x280/0x280 [ 403.867101] ? console_unlock+0xfd6/0x1160 [ 403.871362] ? devkmsg_read+0xbb0/0xbb0 [ 403.875336] ? vprintk_emit+0x7f7/0x930 [ 403.879315] ? lock_release+0x970/0x970 [ 403.883292] ? trace_hardirqs_on+0x10/0x310 [ 403.887615] ? vprintk_default+0x28/0x30 [ 403.891678] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.897135] ? kasan_check_write+0x14/0x20 [ 403.901375] ? do_raw_spin_lock+0xc1/0x200 [ 403.905624] vprintk_emit+0x33d/0x930 [ 403.909433] ? wake_up_klogd+0x180/0x180 [ 403.913509] ? find_held_lock+0x36/0x1c0 [ 403.919316] ? mark_held_locks+0xc7/0x130 [ 403.923472] vprintk_default+0x28/0x30 [ 403.927364] vprintk_func+0x7e/0x181 [ 403.931080] printk+0xa7/0xcf [ 403.934188] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 403.938954] ? kasan_check_write+0x14/0x20 [ 403.943192] ? do_raw_spin_lock+0xc1/0x200 [ 403.947438] show_free_areas.cold.120+0x1b8e/0x215d [ 403.952923] ? si_meminfo_node+0x260/0x260 [ 403.957161] ? __lock_acquire+0x7ec/0x4ec0 [ 403.961400] ? __lock_acquire+0x7ec/0x4ec0 [ 403.965641] ? __lock_acquire+0x7ec/0x4ec0 [ 403.969886] ? kasan_check_write+0x14/0x20 [ 403.974126] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 403.979933] ? mark_held_locks+0x130/0x130 [ 403.984171] ? mark_held_locks+0x130/0x130 [ 403.988412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.993947] ? graph_lock+0x170/0x170 [ 403.997753] ? put_dec+0x3b/0xf0 [ 404.001125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.006661] ? number+0x972/0xca0 [ 404.010122] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 404.015143] ? find_held_lock+0x36/0x1c0 [ 404.019234] ? serial8250_console_write+0x8b3/0xb10 [ 404.024252] ? lock_downgrade+0x900/0x900 [ 404.028401] ? graph_lock+0x170/0x170 [ 404.032201] ? graph_lock+0x170/0x170 [ 404.036003] ? print_usage_bug+0xc0/0xc0 [ 404.040071] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.044499] ? trace_hardirqs_on+0x310/0x310 [ 404.048909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.054446] ? wq_watchdog_touch+0x9c/0xfe [ 404.058718] ? io_serial_in+0x11/0x90 [ 404.062527] ? find_held_lock+0x36/0x1c0 [ 404.066596] ? mark_held_locks+0xc7/0x130 [ 404.070750] ? console_unlock+0xfaa/0x1160 [ 404.074987] ? console_unlock+0xfaa/0x1160 [ 404.079227] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.083931] ? vprintk_emit+0x33d/0x930 [ 404.087915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.093386] ? kasan_check_write+0x14/0x20 [ 404.097627] ? do_raw_spin_lock+0xc1/0x200 [ 404.101891] ? netconsole_netdev_event+0x280/0x280 [ 404.106839] ? console_unlock+0x9ba/0x1160 [ 404.111090] ? devkmsg_read+0xbb0/0xbb0 [ 404.115071] ? lock_release+0x970/0x970 [ 404.119051] ? preempt_count_add+0x7d/0x160 [ 404.123373] ? wake_up_klogd+0x11a/0x180 [ 404.127436] ? console_device+0xc0/0xc0 [ 404.131436] ? vprintk_emit+0x268/0x930 [ 404.135418] ? wake_up_klogd+0x180/0x180 [ 404.139497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.144285] ? trace_hardirqs_off+0x310/0x310 [ 404.148781] ? retint_kernel+0x1b/0x2d [ 404.152676] ? trace_hardirqs_on+0x310/0x310 [ 404.157095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.161882] ? retint_kernel+0x2d/0x2d [ 404.165784] ? arch_local_irq_restore+0x45/0x52 [ 404.170464] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 404.175479] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 404.180246] ? show_mem+0x1e/0x17b [ 404.183797] show_mem+0x34/0x17b [ 404.187177] dump_header+0x2f1/0xf72 [ 404.190901] ? pagefault_out_of_memory+0x197/0x197 [ 404.195839] ? __lock_acquire+0x7ec/0x4ec0 [ 404.200082] ? print_usage_bug+0xc0/0xc0 [ 404.204149] ? graph_lock+0x170/0x170 [ 404.207949] ? print_usage_bug+0xc0/0xc0 [ 404.212012] ? print_usage_bug+0xc0/0xc0 [ 404.216087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.221632] ? find_held_lock+0x36/0x1c0 [ 404.225701] ? mark_held_locks+0xc7/0x130 [ 404.229853] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.234968] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.240070] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.244654] ? trace_hardirqs_on+0xbd/0x310 [ 404.248977] ? kasan_check_read+0x11/0x20 [ 404.253130] ? ___ratelimit+0x36f/0x655 [ 404.257113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.262572] ? trace_hardirqs_on+0x310/0x310 [ 404.266982] ? lock_downgrade+0x900/0x900 [ 404.271140] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.276246] ? ___ratelimit+0xaa/0x655 [ 404.280135] ? idr_get_free+0xec0/0xec0 [ 404.284114] ? kasan_check_write+0x14/0x20 [ 404.288352] ? do_raw_spin_lock+0xc1/0x200 [ 404.292601] oom_kill_process.cold.27+0x10/0x903 [ 404.297362] ? graph_lock+0x170/0x170 [ 404.301173] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 404.306977] ? kasan_check_read+0x11/0x20 [ 404.311131] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.316413] ? oom_evaluate_task+0x540/0x540 [ 404.320829] ? find_held_lock+0x36/0x1c0 [ 404.324907] ? out_of_memory+0x974/0x1430 [ 404.329075] ? lock_downgrade+0x900/0x900 [ 404.333226] ? check_preemption_disabled+0x48/0x200 [ 404.338253] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 404.344054] ? kasan_check_read+0x11/0x20 [ 404.348210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.353490] ? rcu_bh_qs+0xc0/0xc0 [ 404.357041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.362581] ? oom_evaluate_task+0x302/0x540 [ 404.366995] out_of_memory+0xa84/0x1430 [ 404.370982] ? oom_killer_disable+0x3a0/0x3a0 [ 404.375483] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 404.380428] ? __mutex_add_waiter+0x2a0/0x2a0 [ 404.384942] __alloc_pages_slowpath+0x2318/0x2d80 [ 404.389826] ? warn_alloc+0x120/0x120 [ 404.393641] ? trace_hardirqs_on+0x310/0x310 [ 404.398055] ? print_usage_bug+0xc0/0xc0 [ 404.402116] ? warn_alloc+0x120/0x120 [ 404.405921] ? print_usage_bug+0xc0/0xc0 [ 404.409985] ? print_usage_bug+0xc0/0xc0 [ 404.414043] ? free_one_page+0x1700/0x1700 [ 404.418281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.423826] ? should_fail+0x22d/0xd01 [ 404.427723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.432825] ? __lock_acquire+0x7ec/0x4ec0 [ 404.437094] ? __lock_is_held+0xb5/0x140 [ 404.441167] ? graph_lock+0x170/0x170 [ 404.444976] ? ___might_sleep+0x1ed/0x300 [ 404.449121] ? lock_release+0x970/0x970 [ 404.453101] ? arch_local_save_flags+0x40/0x40 [ 404.457698] ? __might_sleep+0x95/0x190 [ 404.461696] __alloc_pages_nodemask+0xa80/0xde0 [ 404.466367] ? graph_lock+0x170/0x170 [ 404.470173] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 404.475188] ? graph_lock+0x170/0x170 [ 404.479002] ? mark_held_locks+0xc7/0x130 [ 404.483147] ? find_held_lock+0x36/0x1c0 [ 404.487216] ? cache_grow_begin+0x5a4/0x8c0 [ 404.491539] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.496123] ? trace_hardirqs_on+0xbd/0x310 [ 404.500451] ? fallback_alloc+0x203/0x2e0 [ 404.504607] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.510065] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.515610] cache_grow_begin+0x91/0x8c0 [ 404.519678] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.524095] fallback_alloc+0x203/0x2e0 [ 404.528080] ____cache_alloc_node+0x1c7/0x1e0 [ 404.532587] kmem_cache_alloc_node_trace+0xe7/0x740 [ 404.537617] __kmalloc_node_track_caller+0x33/0x70 [ 404.542554] __kmalloc_reserve.isra.39+0x41/0xe0 [ 404.547315] __alloc_skb+0x155/0x770 [ 404.551037] ? skb_scrub_packet+0x490/0x490 [ 404.555361] ? if_nlmsg_size+0x5d1/0xbb0 [ 404.559433] ? nla_put_ifalias+0x170/0x170 [ 404.563682] ? sk_psock_stop_strp+0x120/0x120 [ 404.568177] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.573198] ? netif_tx_stop_all_queues+0xd9/0x110 [ 404.578132] rtmsg_ifinfo_build_skb+0x74/0x190 [ 404.582721] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 404.587568] rtmsg_ifinfo+0x8c/0xa0 [ 404.591207] dev_close_many+0x3be/0x860 [ 404.595194] ? netdev_master_upper_dev_link+0x50/0x50 [ 404.600391] ? find_held_lock+0x36/0x1c0 [ 404.604461] ? __queue_work+0x6be/0x1440 [ 404.608523] ? lock_downgrade+0x900/0x900 [ 404.612681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.618220] ? rtnl_is_locked+0xb5/0xf0 [ 404.622195] ? rtnl_trylock+0x20/0x20 [ 404.626000] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.630410] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 404.635002] rollback_registered_many+0x543/0x1210 [ 404.639943] ? generic_xdp_install+0x4c0/0x4c0 [ 404.644538] ? max_active_store+0x170/0x170 [ 404.648871] ? graph_lock+0x170/0x170 [ 404.652682] ? print_usage_bug+0xc0/0xc0 [ 404.656744] ? print_usage_bug+0xc0/0xc0 [ 404.660815] ? __debug_object_init+0x57d/0x1290 [ 404.665488] ? graph_lock+0x170/0x170 [ 404.669293] ? print_usage_bug+0xc0/0xc0 [ 404.673360] ? find_held_lock+0x36/0x1c0 [ 404.677437] ? mark_held_locks+0xc7/0x130 [ 404.681592] rollback_registered+0x1e9/0x420 [ 404.686001] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 404.690582] ? rollback_registered_many+0x1210/0x1210 [ 404.695771] ? trace_hardirqs_on+0xbd/0x310 [ 404.700102] ? linkwatch_schedule_work+0x150/0x170 [ 404.705035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.710490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.716028] ? rtnl_is_locked+0xb5/0xf0 [ 404.720009] ? rtnl_trylock+0x20/0x20 [ 404.723824] ? queue_delayed_work_on+0x130/0x1f0 [ 404.728594] unregister_netdevice_queue+0x321/0x5e0 [ 404.733613] ? rollback_registered+0x420/0x420 [ 404.738198] ? linkwatch_schedule_work+0x170/0x170 [ 404.743129] ? tun_show_owner+0x170/0x170 [ 404.747280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.752838] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 404.758211] ? __tun_detach+0x6ba/0x15c0 [ 404.762280] __tun_detach+0x11b8/0x15c0 [ 404.766261] ? __call_rcu.constprop.69+0x429/0xbc0 [ 404.771198] ? tun_attach+0x1900/0x1900 [ 404.775181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.780719] ? check_preemption_disabled+0x48/0x200 [ 404.785746] ? graph_lock+0x170/0x170 [ 404.789549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.795085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.800622] ? locks_remove_file+0x3c6/0x5c0 [ 404.805037] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.810575] ? ima_file_free+0x132/0x650 [ 404.814646] ? __lock_is_held+0xb5/0x140 [ 404.818717] ? __tun_detach+0x15c0/0x15c0 [ 404.822876] ? __tun_detach+0x15c0/0x15c0 [ 404.827024] tun_chr_close+0xe3/0x180 [ 404.830834] __fput+0x385/0xa30 [ 404.834130] ? get_max_files+0x20/0x20 [ 404.838025] ? ___might_sleep+0x1ed/0x300 [ 404.842178] ? arch_local_save_flags+0x40/0x40 [ 404.846811] ____fput+0x15/0x20 [ 404.850093] task_work_run+0x1e8/0x2a0 [ 404.853983] ? task_work_cancel+0x240/0x240 [ 404.858311] ? switch_task_namespaces+0xb8/0xd0 [ 404.862986] do_exit+0x1ad7/0x2610 [ 404.866537] ? mm_update_next_owner+0x990/0x990 [ 404.871209] ? print_usage_bug+0xc0/0xc0 [ 404.875272] ? perf_trace_lock+0x14d/0x7a0 [ 404.879515] ? __lock_acquire+0x7ec/0x4ec0 [ 404.883753] ? find_held_lock+0x36/0x1c0 [ 404.887837] ? __lock_acquire+0x7ec/0x4ec0 [ 404.892078] ? mark_held_locks+0x130/0x130 [ 404.896318] ? lock_acquire+0x1ed/0x520 [ 404.900302] ? mark_held_locks+0x130/0x130 [ 404.904540] ? arch_local_save_flags+0x40/0x40 [ 404.909123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.914680] ? __mutex_lock+0x85e/0x1700 [ 404.918745] ? __switch_to_asm+0x40/0x70 [ 404.922815] ? __switch_to_asm+0x34/0x70 [ 404.926880] ? pipe_wait+0x266/0x2c0 [ 404.930605] ? mutex_trylock+0x2b0/0x2b0 [ 404.934680] ? graph_lock+0x170/0x170 [ 404.938486] ? find_held_lock+0x36/0x1c0 [ 404.942557] ? memset+0x31/0x40 [ 404.945844] ? find_held_lock+0x36/0x1c0 [ 404.949925] ? get_signal+0x95b/0x1980 [ 404.953828] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.958326] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.962839] do_group_exit+0x177/0x440 [ 404.966737] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.972194] ? __ia32_sys_exit+0x50/0x50 [ 404.976277] get_signal+0x8b0/0x1980 [ 404.980009] ? ptrace_notify+0x130/0x130 [ 404.984079] ? finish_wait+0x430/0x430 [ 404.987975] ? graph_lock+0x170/0x170 [ 404.991800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.997346] ? pipe_read+0x702/0x940 [ 405.001067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.006618] do_signal+0x9c/0x21e0 [ 405.010162] ? __vfs_read+0x11f/0x9b0 [ 405.013970] ? vfs_copy_file_range+0xb90/0xb90 [ 405.018554] ? setup_sigcontext+0x7d0/0x7d0 [ 405.022900] ? exit_to_usermode_loop+0x8c/0x380 [ 405.027594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.033147] exit_to_usermode_loop+0x2e5/0x380 [ 405.037741] ? syscall_slow_exit_work+0x520/0x520 [ 405.042589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.048145] do_syscall_64+0x6be/0x820 [ 405.052043] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 405.057411] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.062340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.067186] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.072211] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.077235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.082096] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.087286] RIP: 0033:0x410fa0 [ 405.090488] Code: Bad RIP value. [ 405.093853] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 405.101568] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 405.108832] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 405.116103] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 405.123371] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 405.130638] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 405.137938] warn_alloc_show_mem: 1 callbacks suppressed [ 405.137950] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 405.137953] Mem-Info: [ 405.137984] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 405.137984] active_file:8 inactive_file:19 isolated_file:0 [ 405.137984] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.137984] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 405.137984] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 405.137984] free:13766 free_pcp:526 free_cma:0 [ 405.143333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.150702] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.153101] Call Trace: [ 405.186065] Node 0 [ 405.195410] [ 405.223349] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.225913] dump_stack+0x1c4/0x2b4 [ 405.228110] lowmem_reserve[]: 0 [ 405.230265] ? dump_stack_print_info.cold.2+0x52/0x52 [ 405.255744] 2819 6323 [ 405.259401] warn_alloc.cold.119+0xb7/0x1bd [ 405.262634] 6323 [ 405.267825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.274630] ? lock_downgrade+0x900/0x900 [ 405.276665] Node 0 [ 405.281508] ? trace_hardirqs_off+0xb8/0x310 [ 405.285651] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 405.287860] ? trace_hardirqs_off+0xb8/0x310 [ 405.292243] lowmem_reserve[]: [ 405.319396] __alloc_pages_slowpath+0x2667/0x2d80 [ 405.323776] 0 [ 405.326923] ? warn_alloc+0x120/0x120 [ 405.331713] 0 [ 405.333514] ? warn_alloc+0x120/0x120 [ 405.337286] 3503 3503 [ 405.339092] ? print_usage_bug+0xc0/0xc0 [ 405.342872] Node 0 [ 405.345400] ? warn_alloc+0x120/0x120 [ 405.349459] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 405.351666] ? print_usage_bug+0xc0/0xc0 [ 405.355433] lowmem_reserve[]: 0 [ 405.383983] ? graph_lock+0x170/0x170 [ 405.388011] 0 0 [ 405.391289] ? kvm_sched_clock_read+0x9/0x20 [ 405.395054] 0 [ 405.397066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.401470] Node 0 [ 405.403282] ? should_fail+0x22d/0xd01 [ 405.408782] DMA: 1*4kB [ 405.411033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.414895] (U) [ 405.417471] ? __lock_acquire+0x7ec/0x4ec0 [ 405.422546] 0*8kB [ 405.424518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.428720] 0*16kB 1*32kB [ 405.430877] ? __lock_acquire+0x7ec/0x4ec0 [ 405.435958] (U) [ 405.438803] ? should_fail+0x22d/0xd01 [ 405.443010] 2*64kB [ 405.444988] ? mark_held_locks+0x130/0x130 [ 405.448844] (U) [ 405.451077] ? mark_held_locks+0x130/0x130 [ 405.455284] 1*128kB [ 405.457256] ? select_task_rq_fair+0x754/0x3500 [ 405.461458] (U) 1*256kB [ 405.463786] ? lock_downgrade+0x900/0x900 [ 405.468440] (U) [ 405.471106] ? check_preemption_disabled+0x48/0x200 [ 405.475218] 0*512kB 1*1024kB [ 405.477198] ? graph_lock+0x170/0x170 [ 405.482187] (U) [ 405.485284] ? print_usage_bug+0xc0/0xc0 [ 405.489058] 1*2048kB (M) [ 405.491041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.495073] 3*4096kB (M) [ 405.497834] ? check_preemption_disabled+0x48/0x200 [ 405.503360] = 15908kB [ 405.503369] Node 0 [ 405.506170] ? check_preemption_disabled+0x48/0x200 [ 405.511155] DMA32: 3*4kB [ 405.513573] ? __lock_is_held+0xb5/0x140 [ 405.515782] (M) [ 405.520807] __alloc_pages_nodemask+0xa80/0xde0 [ 405.523534] 2*8kB (UM) [ 405.527596] ? graph_lock+0x170/0x170 [ 405.529546] 2*16kB (M) [ 405.534220] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.536783] 3*32kB [ 405.540583] ? graph_lock+0x170/0x170 [ 405.543141] (UM) [ 405.548156] ? find_held_lock+0x36/0x1c0 [ 405.550366] 5*64kB [ 405.554166] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.556200] (UM) [ 405.560252] ? lock_downgrade+0x900/0x900 [ 405.562468] 3*128kB [ 405.567135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.569160] (M) 3*256kB [ 405.573311] cache_grow_begin+0x91/0x8c0 [ 405.575612] (M) [ 405.581147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.583796] 4*512kB (UM) [ 405.587862] fallback_alloc+0x203/0x2e0 [ 405.589818] 3*1024kB (UM) [ 405.594229] ____cache_alloc_node+0x1c7/0x1e0 [ 405.596966] 3*2048kB (UM) [ 405.600947] kmem_cache_alloc_node+0xe3/0x730 [ 405.603758] 3*4096kB (M) [ 405.608264] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.611079] = 25180kB [ 405.611087] Node 0 [ 405.615580] __alloc_skb+0x119/0x770 [ 405.618315] Normal: 960*4kB [ 405.622563] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.624950] (MEH) [ 405.627187] ? skb_scrub_packet+0x490/0x490 [ 405.630873] 471*8kB [ 405.633897] ? lock_downgrade+0x900/0x900 [ 405.639138] (UME) 178*16kB [ 405.641297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.645590] (ME) [ 405.647917] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.652032] 44*32kB (UME) [ 405.654973] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.660481] 1*64kB (U) [ 405.662553] ? addrconf_rs_timer+0x690/0x690 [ 405.667974] 0*128kB 0*256kB [ 405.670835] ndisc_alloc_skb+0x144/0x340 [ 405.676252] 2*512kB [ 405.678833] ndisc_send_rs+0x331/0x6e0 [ 405.683210] (U) [ 405.686226] addrconf_rs_timer+0x314/0x690 [ 405.690257] 1*1024kB [ 405.692576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.696474] (U) [ 405.698460] call_timer_fn+0x272/0x920 [ 405.702663] 0*2048kB [ 405.705067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.709278] 0*4096kB [ 405.711247] ? process_timeout+0x40/0x40 [ 405.715107] = 13976kB [ 405.717515] ? find_held_lock+0x36/0x1c0 [ 405.721733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.724136] ? __run_timers+0x7da/0xc70 [ 405.728169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.730573] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.734604] 2889 total pagecache pages [ 405.743431] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.747389] 0 pages in swap cache [ 405.755948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.760445] Swap cache stats: add 0, delete 0, find 0/0 [ 405.764322] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.768787] Free swap = 0kB [ 405.772241] ? trace_hardirqs_on+0xbd/0x310 [ 405.776450] Total swap = 0kB [ 405.781811] ? kasan_check_read+0x11/0x20 [ 405.781831] ? __run_timers+0x7da/0xc70 [ 405.786385] 1965979 pages RAM [ 405.789399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.793691] 0 pages HighMem/MovableOnly [ 405.796714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.800821] 342306 pages reserved [ 405.800830] 0 pages cma reserved [ 405.804804] __run_timers+0x7e5/0xc70 [ 405.807968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.813338] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.817381] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.821515] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.824945] syz-executor1 cpuset= [ 405.828315] ? rcu_bh_qs+0xc0/0xc0 [ 405.832105] syz1 [ 405.838593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.843930] mems_allowed=0 [ 405.854411] ? check_preemption_disabled+0x48/0x200 [ 405.882030] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.886814] ? retint_kernel+0x2d/0x2d [ 405.890704] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.895648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.900405] ? trace_hardirqs_off+0x310/0x310 [ 405.904904] ? check_preemption_disabled+0x48/0x200 [ 405.909919] ? graph_lock+0x170/0x170 [ 405.913729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.919269] ? check_preemption_disabled+0x48/0x200 [ 405.924301] ? __lock_is_held+0xb5/0x140 [ 405.928411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.933950] ? check_preemption_disabled+0x48/0x200 [ 405.938976] run_timer_softirq+0x52/0xb0 [ 405.943041] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.948064] __do_softirq+0x30b/0xad8 [ 405.952050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.957160] ? pvclock_read_flags+0x160/0x160 [ 405.961658] ? lapic_next_event+0x5a/0x90 [ 405.965815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.971378] ? check_preemption_disabled+0x48/0x200 [ 405.976413] ? check_preemption_disabled+0x48/0x200 [ 405.981434] ? kvm_clock_read+0x18/0x30 [ 405.985412] ? kvm_sched_clock_read+0x9/0x20 [ 405.989833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.995378] ? check_preemption_disabled+0x48/0x200 [ 406.000415] irq_exit+0x17f/0x1c0 [ 406.003870] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.008730] ? smp_reschedule_interrupt+0x109/0x650 [ 406.013764] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.019660] ? interrupt_entry+0xb5/0xf0 [ 406.023737] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.028756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.033799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.038651] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.043667] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.048682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.054222] ? check_preemption_disabled+0x48/0x200 [ 406.059242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.064801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.069653] apic_timer_interrupt+0xf/0x20 [ 406.073882] [ 406.076122] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 406.081421] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 406.100354] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.108068] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 406.115370] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 406.122635] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 406.129904] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.137171] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 406.144484] skb_clone+0x1bb/0x500 [ 406.148029] ? finish_task_switch+0x2f5/0x900 [ 406.152553] ? skb_split+0x11e0/0x11e0 [ 406.156444] ? preempt_notifier_register+0x200/0x200 [ 406.161551] ? __switch_to_asm+0x34/0x70 [ 406.165611] ? __switch_to_asm+0x34/0x70 [ 406.169670] ? __switch_to_asm+0x40/0x70 [ 406.173732] ? __switch_to_asm+0x34/0x70 [ 406.177803] ? __switch_to_asm+0x40/0x70 [ 406.181867] ? __switch_to_asm+0x34/0x70 [ 406.185963] ? __switch_to_asm+0x40/0x70 [ 406.190038] ? __switch_to_asm+0x34/0x70 [ 406.194104] ? __switch_to_asm+0x34/0x70 [ 406.198167] ? __switch_to_asm+0x40/0x70 [ 406.202226] ? __switch_to_asm+0x34/0x70 [ 406.206336] bpf_clone_redirect+0xb9/0x490 [ 406.210593] ? __schedule+0x874/0x1ed0 [ 406.214487] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 406.219503] ? __sched_text_start+0x8/0x8 [ 406.223661] ? retint_kernel+0x2d/0x2d [ 406.227559] ? find_held_lock+0x36/0x1c0 [ 406.231630] ? lock_acquire+0x1ed/0x520 [ 406.235609] ? bpf_test_run+0x3cb/0x780 [ 406.239588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.245130] ? check_preemption_disabled+0x48/0x200 [ 406.250153] ? kasan_check_read+0x11/0x20 [ 406.254307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.259585] ? rcu_bh_qs+0xc0/0xc0 [ 406.263129] ? preempt_schedule+0x4d/0x60 [ 406.267294] ? ___preempt_schedule+0x16/0x18 [ 406.271710] ? bpf_test_run+0x25d/0x780 [ 406.275697] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.280110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.285645] ? bpf_test_init.isra.9+0x70/0x100 [ 406.290232] ? bpf_prog_test_run_skb+0x634/0xb40 [ 406.295000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.299840] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.305383] ? fput+0x130/0x1a0 [ 406.308678] ? __bpf_prog_get+0x9b/0x290 [ 406.312743] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.317584] ? bpf_prog_test_run+0x130/0x1a0 [ 406.321995] ? __x64_sys_bpf+0x3d8/0x510 [ 406.326057] ? bpf_prog_get+0x20/0x20 [ 406.329881] ? do_syscall_64+0x1b9/0x820 [ 406.333946] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.339312] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.344245] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.349268] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.354302] ? recalc_sigpending_tsk+0x180/0x180 [ 406.359065] ? kasan_check_write+0x14/0x20 [ 406.363307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.368165] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.373552] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 406.373639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.380830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.380835] Call Trace: [ 406.380842] [ 406.380867] dump_stack+0x1c4/0x2b4 [ 406.380885] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.387464] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.396721] warn_alloc.cold.119+0xb7/0x1bd [ 406.399276] syz-executor2 cpuset= [ 406.401418] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.405021] syz2 [ 406.410207] ? lock_downgrade+0x900/0x900 [ 406.420666] mems_allowed=0 [ 406.424980] ? trace_hardirqs_off+0xb8/0x310 [ 406.446665] ? trace_hardirqs_off+0xb8/0x310 [ 406.451089] __alloc_pages_slowpath+0x2667/0x2d80 [ 406.455967] ? warn_alloc+0x120/0x120 [ 406.459768] ? trace_hardirqs_on+0x310/0x310 [ 406.464189] ? warn_alloc+0x120/0x120 [ 406.467992] ? print_usage_bug+0xc0/0xc0 [ 406.472058] ? warn_alloc+0x120/0x120 [ 406.475864] ? ktime_get+0x2e1/0x440 [ 406.479580] ? print_usage_bug+0xc0/0xc0 [ 406.483657] ? __lock_acquire+0x7ec/0x4ec0 [ 406.487896] ? __lock_acquire+0x7ec/0x4ec0 [ 406.492134] ? kasan_check_read+0x11/0x20 [ 406.496289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.501831] ? should_fail+0x22d/0xd01 [ 406.505725] ? rcu_bh_qs+0xc0/0xc0 [ 406.509268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.514373] ? __lock_acquire+0x7ec/0x4ec0 [ 406.518617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.523718] ? __lock_acquire+0x7ec/0x4ec0 [ 406.527949] ? should_fail+0x22d/0xd01 [ 406.531840] ? rcu_idle_enter+0x4b0/0x4b0 [ 406.536000] ? mark_held_locks+0x130/0x130 [ 406.540238] ? mark_held_locks+0x130/0x130 [ 406.544477] ? mark_held_locks+0xc7/0x130 [ 406.548625] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.553644] ? graph_lock+0x170/0x170 [ 406.557448] ? print_usage_bug+0xc0/0xc0 [ 406.561516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.567058] ? check_preemption_disabled+0x48/0x200 [ 406.572073] ? check_preemption_disabled+0x48/0x200 [ 406.577101] ? __lock_is_held+0xb5/0x140 [ 406.581170] __alloc_pages_nodemask+0xa80/0xde0 [ 406.585840] ? graph_lock+0x170/0x170 [ 406.589652] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.594665] ? graph_lock+0x170/0x170 [ 406.598476] ? find_held_lock+0x36/0x1c0 [ 406.602551] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.607223] ? lock_downgrade+0x900/0x900 [ 406.611383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.616933] cache_grow_begin+0x91/0x8c0 [ 406.621002] ? do_raw_spin_unlock+0xa7/0x2f0 [ 406.625416] fallback_alloc+0x203/0x2e0 [ 406.629412] ____cache_alloc_node+0x1c7/0x1e0 [ 406.633919] kmem_cache_alloc_node+0xe3/0x730 [ 406.638417] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.642673] __alloc_skb+0x119/0x770 [ 406.646410] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.651691] ? skb_scrub_packet+0x490/0x490 [ 406.656014] ? lock_downgrade+0x900/0x900 [ 406.660177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.665720] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.671174] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.676628] ? addrconf_rs_timer+0x690/0x690 [ 406.681052] ndisc_alloc_skb+0x144/0x340 [ 406.685121] ndisc_send_rs+0x331/0x6e0 [ 406.689019] addrconf_rs_timer+0x314/0x690 [ 406.693265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.697514] call_timer_fn+0x272/0x920 [ 406.701400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.705637] ? process_timeout+0x40/0x40 [ 406.709701] ? find_held_lock+0x36/0x1c0 [ 406.713770] ? mark_held_locks+0xc7/0x130 [ 406.717930] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.722428] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.726936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.731169] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 406.735755] ? trace_hardirqs_on+0xbd/0x310 [ 406.740080] ? kasan_check_read+0x11/0x20 [ 406.744228] ? __run_timers+0x7da/0xc70 [ 406.748208] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.753663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.757905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.762139] __run_timers+0x7e5/0xc70 [ 406.765958] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 406.771329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.776346] ? graph_lock+0x170/0x170 [ 406.780153] ? print_usage_bug+0xc0/0xc0 [ 406.784218] ? lock_release+0x970/0x970 [ 406.788193] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.793390] ? find_held_lock+0x36/0x1c0 [ 406.797459] ? graph_lock+0x170/0x170 [ 406.801265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.806814] ? check_preemption_disabled+0x48/0x200 [ 406.811842] ? __lock_is_held+0xb5/0x140 [ 406.815909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.821450] ? check_preemption_disabled+0x48/0x200 [ 406.826477] run_timer_softirq+0x52/0xb0 [ 406.830540] ? rcu_read_lock_sched_held+0x108/0x120 [ 406.835560] __do_softirq+0x30b/0xad8 [ 406.839373] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 406.844483] ? pvclock_read_flags+0x160/0x160 [ 406.848978] ? lapic_next_event+0x5a/0x90 [ 406.853131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.858673] ? check_preemption_disabled+0x48/0x200 [ 406.863694] ? check_preemption_disabled+0x48/0x200 [ 406.868719] ? kvm_clock_read+0x18/0x30 [ 406.872696] ? kvm_sched_clock_read+0x9/0x20 [ 406.877116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.882658] ? check_preemption_disabled+0x48/0x200 [ 406.887690] irq_exit+0x17f/0x1c0 [ 406.891147] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.895988] ? smp_reschedule_interrupt+0x109/0x650 [ 406.901005] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.906901] ? interrupt_entry+0xb5/0xf0 [ 406.910966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.915981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.921004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.925854] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.930881] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.935901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.941449] ? check_preemption_disabled+0x48/0x200 [ 406.946470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.952469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.957324] apic_timer_interrupt+0xf/0x20 [ 406.961552] [ 406.963803] RIP: 0010:console_unlock+0xfdf/0x1160 [ 406.968651] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 406.987553] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 406.995271] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 407.002545] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 407.009822] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 407.017088] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 407.024355] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 407.031640] ? netconsole_netdev_event+0x280/0x280 [ 407.036584] ? console_unlock+0xfd6/0x1160 [ 407.040855] ? devkmsg_read+0xbb0/0xbb0 [ 407.044840] ? vprintk_emit+0x7f7/0x930 [ 407.048836] ? lock_release+0x970/0x970 [ 407.052829] ? trace_hardirqs_on+0x10/0x310 [ 407.057159] ? vprintk_default+0x28/0x30 [ 407.061224] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.066681] ? kasan_check_write+0x14/0x20 [ 407.070918] ? do_raw_spin_lock+0xc1/0x200 [ 407.075163] vprintk_emit+0x33d/0x930 [ 407.078974] ? wake_up_klogd+0x180/0x180 [ 407.083052] ? find_held_lock+0x36/0x1c0 [ 407.087123] ? mark_held_locks+0xc7/0x130 [ 407.091284] vprintk_default+0x28/0x30 [ 407.095179] vprintk_func+0x7e/0x181 [ 407.098898] printk+0xa7/0xcf [ 407.102003] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 407.106766] ? kasan_check_write+0x14/0x20 [ 407.111011] ? do_raw_spin_lock+0xc1/0x200 [ 407.115256] show_free_areas.cold.120+0x1b8e/0x215d [ 407.120298] ? si_meminfo_node+0x260/0x260 [ 407.124534] ? __lock_acquire+0x7ec/0x4ec0 [ 407.128779] ? __lock_acquire+0x7ec/0x4ec0 [ 407.133023] ? __lock_acquire+0x7ec/0x4ec0 [ 407.137264] ? kasan_check_write+0x14/0x20 [ 407.141505] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 407.147312] ? mark_held_locks+0x130/0x130 [ 407.151550] ? mark_held_locks+0x130/0x130 [ 407.155803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.161340] ? graph_lock+0x170/0x170 [ 407.165145] ? put_dec+0x3b/0xf0 [ 407.168512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.174052] ? number+0x972/0xca0 [ 407.177513] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 407.182533] ? find_held_lock+0x36/0x1c0 [ 407.186608] ? serial8250_console_write+0x8b3/0xb10 [ 407.191624] ? lock_downgrade+0x900/0x900 [ 407.195777] ? graph_lock+0x170/0x170 [ 407.199583] ? graph_lock+0x170/0x170 [ 407.203385] ? print_usage_bug+0xc0/0xc0 [ 407.207453] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.211868] ? trace_hardirqs_on+0x310/0x310 [ 407.216279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.221826] ? wq_watchdog_touch+0x9c/0xfe [ 407.226066] ? io_serial_in+0x11/0x90 [ 407.229882] ? find_held_lock+0x36/0x1c0 [ 407.233952] ? mark_held_locks+0xc7/0x130 [ 407.238103] ? console_unlock+0xfaa/0x1160 [ 407.242337] ? console_unlock+0xfaa/0x1160 [ 407.246576] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.251166] ? vprintk_emit+0x33d/0x930 [ 407.255147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.260597] ? kasan_check_write+0x14/0x20 [ 407.264834] ? do_raw_spin_lock+0xc1/0x200 [ 407.269085] ? netconsole_netdev_event+0x280/0x280 [ 407.274018] ? console_unlock+0x9ba/0x1160 [ 407.278263] ? devkmsg_read+0xbb0/0xbb0 [ 407.282242] ? lock_release+0x970/0x970 [ 407.286222] ? preempt_count_add+0x7d/0x160 [ 407.290549] ? wake_up_klogd+0x11a/0x180 [ 407.294612] ? console_device+0xc0/0xc0 [ 407.298603] ? vprintk_emit+0x268/0x930 [ 407.302588] ? wake_up_klogd+0x180/0x180 [ 407.306652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.311412] ? trace_hardirqs_off+0x310/0x310 [ 407.315908] ? retint_kernel+0x1b/0x2d [ 407.319804] ? trace_hardirqs_on+0x310/0x310 [ 407.324226] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.328991] ? retint_kernel+0x2d/0x2d [ 407.332898] ? arch_local_irq_restore+0x45/0x52 [ 407.337573] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 407.342590] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 407.347356] ? show_mem+0x1e/0x17b [ 407.350902] show_mem+0x34/0x17b [ 407.354276] dump_header+0x2f1/0xf72 [ 407.358004] ? pagefault_out_of_memory+0x197/0x197 [ 407.362947] ? __lock_acquire+0x7ec/0x4ec0 [ 407.367187] ? print_usage_bug+0xc0/0xc0 [ 407.371260] ? graph_lock+0x170/0x170 [ 407.375066] ? print_usage_bug+0xc0/0xc0 [ 407.379125] ? print_usage_bug+0xc0/0xc0 [ 407.383203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.388750] ? find_held_lock+0x36/0x1c0 [ 407.392829] ? mark_held_locks+0xc7/0x130 [ 407.396990] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.402095] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.407198] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.411786] ? trace_hardirqs_on+0xbd/0x310 [ 407.416120] ? kasan_check_read+0x11/0x20 [ 407.420270] ? ___ratelimit+0x36f/0x655 [ 407.424248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.429702] ? trace_hardirqs_on+0x310/0x310 [ 407.434112] ? lock_downgrade+0x900/0x900 [ 407.438269] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.443373] ? ___ratelimit+0xaa/0x655 [ 407.447267] ? idr_get_free+0xec0/0xec0 [ 407.451246] ? kasan_check_write+0x14/0x20 [ 407.455481] ? do_raw_spin_lock+0xc1/0x200 [ 407.459724] oom_kill_process.cold.27+0x10/0x903 [ 407.464485] ? graph_lock+0x170/0x170 [ 407.468294] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 407.474090] ? kasan_check_read+0x11/0x20 [ 407.478241] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.483520] ? oom_evaluate_task+0x540/0x540 [ 407.487933] ? find_held_lock+0x36/0x1c0 [ 407.492004] ? out_of_memory+0x974/0x1430 [ 407.496155] ? lock_downgrade+0x900/0x900 [ 407.500308] ? check_preemption_disabled+0x48/0x200 [ 407.505330] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 407.511128] ? kasan_check_read+0x11/0x20 [ 407.515276] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.520559] ? rcu_bh_qs+0xc0/0xc0 [ 407.524107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.529648] ? oom_evaluate_task+0x302/0x540 [ 407.534060] out_of_memory+0xa84/0x1430 [ 407.538048] ? oom_killer_disable+0x3a0/0x3a0 [ 407.542544] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 407.547479] ? __mutex_add_waiter+0x2a0/0x2a0 [ 407.551988] __alloc_pages_slowpath+0x2318/0x2d80 [ 407.556870] ? warn_alloc+0x120/0x120 [ 407.560684] ? trace_hardirqs_on+0x310/0x310 [ 407.565103] ? print_usage_bug+0xc0/0xc0 [ 407.569165] ? warn_alloc+0x120/0x120 [ 407.572968] ? print_usage_bug+0xc0/0xc0 [ 407.577034] ? print_usage_bug+0xc0/0xc0 [ 407.581112] ? free_one_page+0x1700/0x1700 [ 407.585349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.590897] ? should_fail+0x22d/0xd01 [ 407.594790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.599903] ? __lock_acquire+0x7ec/0x4ec0 [ 407.604174] ? __lock_is_held+0xb5/0x140 [ 407.608244] ? graph_lock+0x170/0x170 [ 407.612060] ? ___might_sleep+0x1ed/0x300 [ 407.616210] ? lock_release+0x970/0x970 [ 407.620191] ? arch_local_save_flags+0x40/0x40 [ 407.624790] ? __might_sleep+0x95/0x190 [ 407.628781] __alloc_pages_nodemask+0xa80/0xde0 [ 407.633485] ? graph_lock+0x170/0x170 [ 407.637297] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.642313] ? graph_lock+0x170/0x170 [ 407.646129] ? mark_held_locks+0xc7/0x130 [ 407.650274] ? find_held_lock+0x36/0x1c0 [ 407.654341] ? cache_grow_begin+0x5a4/0x8c0 [ 407.658666] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.663250] ? trace_hardirqs_on+0xbd/0x310 [ 407.667581] ? fallback_alloc+0x203/0x2e0 [ 407.671738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.677206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.682762] cache_grow_begin+0x91/0x8c0 [ 407.686846] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.691274] fallback_alloc+0x203/0x2e0 [ 407.695256] ____cache_alloc_node+0x1c7/0x1e0 [ 407.699761] kmem_cache_alloc_node_trace+0xe7/0x740 [ 407.704812] __kmalloc_node_track_caller+0x33/0x70 [ 407.709749] __kmalloc_reserve.isra.39+0x41/0xe0 [ 407.714511] __alloc_skb+0x155/0x770 [ 407.718232] ? skb_scrub_packet+0x490/0x490 [ 407.722556] ? if_nlmsg_size+0x5d1/0xbb0 [ 407.726623] ? nla_put_ifalias+0x170/0x170 [ 407.730876] ? sk_psock_stop_strp+0x120/0x120 [ 407.735374] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.740398] ? netif_tx_stop_all_queues+0xd9/0x110 [ 407.745336] rtmsg_ifinfo_build_skb+0x74/0x190 [ 407.749929] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 407.754778] rtmsg_ifinfo+0x8c/0xa0 [ 407.758421] dev_close_many+0x3be/0x860 [ 407.762414] ? netdev_master_upper_dev_link+0x50/0x50 [ 407.767610] ? find_held_lock+0x36/0x1c0 [ 407.771680] ? __queue_work+0x6be/0x1440 [ 407.775746] ? lock_downgrade+0x900/0x900 [ 407.779909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.785448] ? rtnl_is_locked+0xb5/0xf0 [ 407.789428] ? rtnl_trylock+0x20/0x20 [ 407.793231] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.797644] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 407.802236] rollback_registered_many+0x543/0x1210 [ 407.807181] ? generic_xdp_install+0x4c0/0x4c0 [ 407.811773] ? max_active_store+0x170/0x170 [ 407.816106] ? graph_lock+0x170/0x170 [ 407.819917] ? print_usage_bug+0xc0/0xc0 [ 407.824014] ? print_usage_bug+0xc0/0xc0 [ 407.828082] ? __debug_object_init+0x57d/0x1290 [ 407.832760] ? graph_lock+0x170/0x170 [ 407.836567] ? print_usage_bug+0xc0/0xc0 [ 407.840638] ? find_held_lock+0x36/0x1c0 [ 407.844716] ? mark_held_locks+0xc7/0x130 [ 407.848877] rollback_registered+0x1e9/0x420 [ 407.853289] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 407.857911] ? rollback_registered_many+0x1210/0x1210 [ 407.863101] ? trace_hardirqs_on+0xbd/0x310 [ 407.867429] ? linkwatch_schedule_work+0x150/0x170 [ 407.872365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.877834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.883380] ? rtnl_is_locked+0xb5/0xf0 [ 407.887363] ? rtnl_trylock+0x20/0x20 [ 407.891168] ? queue_delayed_work_on+0x130/0x1f0 [ 407.895930] unregister_netdevice_queue+0x321/0x5e0 [ 407.900951] ? rollback_registered+0x420/0x420 [ 407.905537] ? linkwatch_schedule_work+0x170/0x170 [ 407.910469] ? tun_show_owner+0x170/0x170 [ 407.914621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.920164] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 407.925535] ? __tun_detach+0x6ba/0x15c0 [ 407.929606] __tun_detach+0x11b8/0x15c0 [ 407.933588] ? __call_rcu.constprop.69+0x429/0xbc0 [ 407.938532] ? tun_attach+0x1900/0x1900 [ 407.942519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.948060] ? check_preemption_disabled+0x48/0x200 [ 407.953529] ? graph_lock+0x170/0x170 [ 407.957333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.962879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.968420] ? locks_remove_file+0x3c6/0x5c0 [ 407.972829] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.978376] ? ima_file_free+0x132/0x650 [ 407.982444] ? __lock_is_held+0xb5/0x140 [ 407.986509] ? __tun_detach+0x15c0/0x15c0 [ 407.990663] ? __tun_detach+0x15c0/0x15c0 [ 407.994821] tun_chr_close+0xe3/0x180 [ 407.998629] __fput+0x385/0xa30 [ 408.001921] ? get_max_files+0x20/0x20 [ 408.005822] ? ___might_sleep+0x1ed/0x300 [ 408.009979] ? arch_local_save_flags+0x40/0x40 [ 408.014575] ____fput+0x15/0x20 [ 408.017866] task_work_run+0x1e8/0x2a0 [ 408.021760] ? task_work_cancel+0x240/0x240 [ 408.026093] ? switch_task_namespaces+0xb8/0xd0 [ 408.030770] do_exit+0x1ad7/0x2610 [ 408.034329] ? mm_update_next_owner+0x990/0x990 [ 408.039001] ? print_usage_bug+0xc0/0xc0 [ 408.043065] ? perf_trace_lock+0x14d/0x7a0 [ 408.047307] ? __lock_acquire+0x7ec/0x4ec0 [ 408.051546] ? find_held_lock+0x36/0x1c0 [ 408.055619] ? __lock_acquire+0x7ec/0x4ec0 [ 408.059857] ? mark_held_locks+0x130/0x130 [ 408.064109] ? lock_acquire+0x1ed/0x520 [ 408.068102] ? mark_held_locks+0x130/0x130 [ 408.072341] ? arch_local_save_flags+0x40/0x40 [ 408.076927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.082664] ? __mutex_lock+0x85e/0x1700 [ 408.086731] ? __switch_to_asm+0x40/0x70 [ 408.090791] ? __switch_to_asm+0x34/0x70 [ 408.094869] ? pipe_wait+0x266/0x2c0 [ 408.098592] ? mutex_trylock+0x2b0/0x2b0 [ 408.102669] ? graph_lock+0x170/0x170 [ 408.106472] ? find_held_lock+0x36/0x1c0 [ 408.110537] ? memset+0x31/0x40 [ 408.113834] ? find_held_lock+0x36/0x1c0 [ 408.117916] ? get_signal+0x95b/0x1980 [ 408.121820] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.126316] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.130828] do_group_exit+0x177/0x440 [ 408.134727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.140181] ? __ia32_sys_exit+0x50/0x50 [ 408.144255] get_signal+0x8b0/0x1980 [ 408.147988] ? ptrace_notify+0x130/0x130 [ 408.152057] ? finish_wait+0x430/0x430 [ 408.155950] ? graph_lock+0x170/0x170 [ 408.159761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.165306] ? pipe_read+0x702/0x940 [ 408.169023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.174579] do_signal+0x9c/0x21e0 [ 408.178126] ? __vfs_read+0x11f/0x9b0 [ 408.181936] ? vfs_copy_file_range+0xb90/0xb90 [ 408.186521] ? setup_sigcontext+0x7d0/0x7d0 [ 408.190867] ? exit_to_usermode_loop+0x8c/0x380 [ 408.195558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.201109] exit_to_usermode_loop+0x2e5/0x380 [ 408.205695] ? syscall_slow_exit_work+0x520/0x520 [ 408.210537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.216093] do_syscall_64+0x6be/0x820 [ 408.219987] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.225355] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.230290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.235142] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.240174] ? prepare_exit_to_usermode+0x291/0x3b0 [ 408.245206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.250065] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.255254] RIP: 0033:0x410fa0 [ 408.258456] Code: Bad RIP value. [ 408.261825] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 408.269542] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 408.276812] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 408.284079] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 408.291343] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 408.298609] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 408.305910] warn_alloc_show_mem: 1 callbacks suppressed [ 408.305922] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 408.305924] Mem-Info: [ 408.305957] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 408.305957] active_file:8 inactive_file:19 isolated_file:0 [ 408.305957] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.305957] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 408.305957] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 408.305957] free:13766 free_pcp:526 free_cma:0 [ 408.311300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.318661] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 408.321059] Call Trace: [ 408.354022] Node 0 [ 408.363387] [ 408.391162] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 408.393726] dump_stack+0x1c4/0x2b4 [ 408.395927] lowmem_reserve[]: [ 408.398076] ? dump_stack_print_info.cold.2+0x52/0x52 [ 408.423559] 0 [ 408.427197] warn_alloc.cold.119+0xb7/0x1bd [ 408.430263] 2819 [ 408.435452] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.437229] 6323 [ 408.441547] ? lock_downgrade+0x900/0x900 [ 408.443580] 6323 [ 408.448423] ? trace_hardirqs_off+0xb8/0x310 [ 408.454598] ? trace_hardirqs_off+0xb8/0x310 [ 408.456636] Node 0 [ 408.461044] __alloc_pages_slowpath+0x2667/0x2d80 [ 408.465448] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 408.467678] ? warn_alloc+0x120/0x120 [ 408.472470] lowmem_reserve[]: [ 408.499638] ? trace_hardirqs_on+0x310/0x310 [ 408.503417] 0 [ 408.506524] ? warn_alloc+0x120/0x120 [ 408.510900] 0 [ 408.512701] ? print_usage_bug+0xc0/0xc0 [ 408.516512] 3503 [ 408.518306] ? warn_alloc+0x120/0x120 [ 408.522334] 3503 [ 408.524402] ? ktime_get+0x2e1/0x440 [ 408.528178] Node 0 [ 408.530236] ? print_usage_bug+0xc0/0xc0 [ 408.533950] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 408.536163] ? __lock_acquire+0x7ec/0x4ec0 [ 408.540186] lowmem_reserve[]: 0 [ 408.568745] ? __lock_acquire+0x7ec/0x4ec0 [ 408.572957] 0 [ 408.576233] ? kasan_check_read+0x11/0x20 [ 408.580442] 0 [ 408.582246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.586360] 0 [ 408.586373] Node 0 [ 408.588172] ? should_fail+0x22d/0xd01 [ 408.593678] DMA: 1*4kB [ 408.595490] ? rcu_bh_qs+0xc0/0xc0 [ 408.597699] (U) [ 408.601584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.604136] 0*8kB 0*16kB [ 408.607678] ? __lock_acquire+0x7ec/0x4ec0 [ 408.609629] 1*32kB [ 408.614726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.617455] (U) [ 408.621681] ? __lock_acquire+0x7ec/0x4ec0 [ 408.621697] ? should_fail+0x22d/0xd01 [ 408.623917] 2*64kB [ 408.629014] ? rcu_idle_enter+0x4b0/0x4b0 [ 408.630961] (U) [ 408.635196] ? mark_held_locks+0x130/0x130 [ 408.639050] 1*128kB (U) [ 408.641298] ? mark_held_locks+0x130/0x130 [ 408.645418] 1*256kB (U) [ 408.647405] ? mark_held_locks+0xc7/0x130 [ 408.651612] 0*512kB [ 408.654279] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.658481] 1*1024kB [ 408.661150] ? graph_lock+0x170/0x170 [ 408.665270] (U) [ 408.667591] ? print_usage_bug+0xc0/0xc0 [ 408.672577] 1*2048kB [ 408.674987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.678753] (M) [ 408.680727] ? check_preemption_disabled+0x48/0x200 [ 408.684762] 3*4096kB [ 408.687167] ? check_preemption_disabled+0x48/0x200 [ 408.692675] (M) [ 408.694654] ? __lock_is_held+0xb5/0x140 [ 408.699640] = 15908kB [ 408.702046] __alloc_pages_nodemask+0xa80/0xde0 [ 408.707031] Node 0 [ 408.709002] ? graph_lock+0x170/0x170 [ 408.713036] DMA32: [ 408.715440] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.720088] 3*4kB [ 408.722321] ? graph_lock+0x170/0x170 [ 408.726093] (M) [ 408.728329] ? find_held_lock+0x36/0x1c0 [ 408.733311] 2*8kB [ 408.735463] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.739228] (UM) [ 408.741199] ? lock_downgrade+0x900/0x900 [ 408.745233] 2*16kB [ 408.747386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.752017] (M) [ 408.754077] cache_grow_begin+0x91/0x8c0 [ 408.758198] 3*32kB [ 408.760432] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.765953] (UM) [ 408.767932] fallback_alloc+0x203/0x2e0 [ 408.771968] 5*64kB [ 408.774207] ____cache_alloc_node+0x1c7/0x1e0 [ 408.778585] (UM) [ 408.780649] kmem_cache_alloc_node+0xe3/0x730 [ 408.784594] 3*128kB (M) [ 408.786836] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.791307] 3*256kB [ 408.793374] __alloc_skb+0x119/0x770 [ 408.797832] (M) [ 408.800504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.804706] 4*512kB [ 408.807026] ? skb_scrub_packet+0x490/0x490 [ 408.810716] (UM) [ 408.812688] ? lock_downgrade+0x900/0x900 [ 408.817936] 3*1024kB [ 408.820263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.824556] (UM) [ 408.826615] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.830734] 3*2048kB [ 408.833140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.838652] (UM) [ 408.840713] ? addrconf_rs_timer+0x690/0x690 [ 408.846140] 3*4096kB [ 408.848551] ndisc_alloc_skb+0x144/0x340 [ 408.853976] (M) [ 408.856040] ndisc_send_rs+0x331/0x6e0 [ 408.860419] = 25180kB [ 408.862833] addrconf_rs_timer+0x314/0x690 [ 408.866867] Node 0 [ 408.868839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.872699] Normal: [ 408.875113] call_timer_fn+0x272/0x920 [ 408.879315] 960*4kB [ 408.881544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.885775] (MEH) [ 408.888105] ? process_timeout+0x40/0x40 [ 408.891969] 471*8kB [ 408.894286] ? find_held_lock+0x36/0x1c0 [ 408.898498] (UME) [ 408.900649] ? __run_timers+0x7da/0xc70 [ 408.904680] 178*16kB (ME) [ 408.907013] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.911050] 44*32kB [ 408.913197] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.917143] (UME) [ 408.919981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.924448] 1*64kB [ 408.926769] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 408.931234] (U) [ 408.933382] ? trace_hardirqs_on+0xbd/0x310 [ 408.937587] 0*128kB 0*256kB [ 408.939832] ? kasan_check_read+0x11/0x20 [ 408.944380] 2*512kB (U) [ 408.946367] ? __run_timers+0x7da/0xc70 [ 408.950650] 1*1024kB (U) [ 408.953674] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.957801] 0*2048kB [ 408.960470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.964411] 0*4096kB = 13976kB [ 408.967175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.972601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.975002] __run_timers+0x7e5/0xc70 [ 408.979215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.982407] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.986610] 2889 total pagecache pages [ 408.995442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.999224] 0 pages in swap cache [ 409.007788] ? rcu_bh_qs+0xc0/0xc0 [ 409.013138] Swap cache stats: add 0, delete 0, find 0/0 [ 409.017016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.022267] Free swap = 0kB [ 409.025717] ? check_preemption_disabled+0x48/0x200 [ 409.029226] Total swap = 0kB [ 409.029235] 1965979 pages RAM [ 409.034599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.040102] 0 pages HighMem/MovableOnly [ 409.040112] 342306 pages reserved [ 409.043129] ? retint_kernel+0x2d/0x2d [ 409.048120] 0 pages cma reserved [ 409.051134] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.054289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.058956] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.058970] ? trace_hardirqs_off+0x310/0x310 [ 409.058987] ? check_preemption_disabled+0x48/0x200 [ 409.059003] ? graph_lock+0x170/0x170 [ 409.063046] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.066414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.070271] syz-executor1 cpuset= [ 409.073638] ? check_preemption_disabled+0x48/0x200 [ 409.078539] syz1 [ 409.085040] ? __lock_is_held+0xb5/0x140 [ 409.089769] mems_allowed=0 [ 409.094262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.141914] ? check_preemption_disabled+0x48/0x200 [ 409.146943] run_timer_softirq+0x52/0xb0 [ 409.151010] ? rcu_read_lock_sched_held+0x108/0x120 [ 409.156027] __do_softirq+0x30b/0xad8 [ 409.159847] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 409.164961] ? pvclock_read_flags+0x160/0x160 [ 409.169462] ? lapic_next_event+0x5a/0x90 [ 409.173618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.179162] ? check_preemption_disabled+0x48/0x200 [ 409.184181] ? check_preemption_disabled+0x48/0x200 [ 409.189207] ? kvm_clock_read+0x18/0x30 [ 409.193186] ? kvm_sched_clock_read+0x9/0x20 [ 409.197604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.203149] ? check_preemption_disabled+0x48/0x200 [ 409.208180] irq_exit+0x17f/0x1c0 [ 409.211637] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.216483] ? smp_reschedule_interrupt+0x109/0x650 [ 409.221502] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.227392] ? interrupt_entry+0xb5/0xf0 [ 409.231459] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.236477] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.241500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.246344] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.251370] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.256393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.261937] ? check_preemption_disabled+0x48/0x200 [ 409.266956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.272505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.277365] apic_timer_interrupt+0xf/0x20 [ 409.281595] [ 409.283837] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 409.288767] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 409.307689] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 409.315403] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 409.322669] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 409.329938] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 409.337209] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 409.344476] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 409.351806] skb_clone+0x1bb/0x500 [ 409.355351] ? finish_task_switch+0x2f5/0x900 [ 409.359861] ? skb_split+0x11e0/0x11e0 [ 409.363754] ? preempt_notifier_register+0x200/0x200 [ 409.368861] ? __switch_to_asm+0x34/0x70 [ 409.372928] ? __switch_to_asm+0x34/0x70 [ 409.376993] ? __switch_to_asm+0x40/0x70 [ 409.381057] ? __switch_to_asm+0x34/0x70 [ 409.385117] ? __switch_to_asm+0x40/0x70 [ 409.389183] ? __switch_to_asm+0x34/0x70 [ 409.393244] ? __switch_to_asm+0x40/0x70 [ 409.397304] ? __switch_to_asm+0x34/0x70 [ 409.401373] ? __switch_to_asm+0x34/0x70 [ 409.405440] ? __switch_to_asm+0x40/0x70 [ 409.409501] ? __switch_to_asm+0x34/0x70 [ 409.413575] bpf_clone_redirect+0xb9/0x490 [ 409.417820] ? __schedule+0x874/0x1ed0 [ 409.421715] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 409.426732] ? __sched_text_start+0x8/0x8 [ 409.430891] ? retint_kernel+0x2d/0x2d [ 409.434789] ? find_held_lock+0x36/0x1c0 [ 409.438870] ? lock_acquire+0x1ed/0x520 [ 409.442847] ? bpf_test_run+0x3cb/0x780 [ 409.446836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.452381] ? check_preemption_disabled+0x48/0x200 [ 409.457406] ? kasan_check_read+0x11/0x20 [ 409.461561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.466839] ? rcu_bh_qs+0xc0/0xc0 [ 409.470386] ? preempt_schedule+0x4d/0x60 [ 409.474538] ? ___preempt_schedule+0x16/0x18 [ 409.478959] ? bpf_test_run+0x25d/0x780 [ 409.482949] ? netlink_diag_dump+0x2a0/0x2a0 [ 409.487371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.492913] ? bpf_test_init.isra.9+0x70/0x100 [ 409.497503] ? bpf_prog_test_run_skb+0x634/0xb40 [ 409.502268] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 409.507116] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 409.512658] ? fput+0x130/0x1a0 [ 409.515946] ? __bpf_prog_get+0x9b/0x290 [ 409.520011] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 409.524855] ? bpf_prog_test_run+0x130/0x1a0 [ 409.529269] ? __x64_sys_bpf+0x3d8/0x510 [ 409.533333] ? bpf_prog_get+0x20/0x20 [ 409.537164] ? do_syscall_64+0x1b9/0x820 [ 409.541231] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 409.546602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.551535] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.556557] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 409.561576] ? recalc_sigpending_tsk+0x180/0x180 [ 409.566340] ? kasan_check_write+0x14/0x20 [ 409.570591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.575449] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.580841] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 409.580947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.588122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.588128] Call Trace: [ 409.588135] [ 409.588154] dump_stack+0x1c4/0x2b4 [ 409.588168] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.588194] warn_alloc.cold.119+0xb7/0x1bd [ 409.588210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.594761] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.604044] ? lock_downgrade+0x900/0x900 [ 409.606607] syz-executor2 cpuset= [ 409.608758] ? trace_hardirqs_off+0xb8/0x310 [ 409.612356] syz2 [ 409.617545] ? trace_hardirqs_off+0xb8/0x310 [ 409.621844] mems_allowed=0 [ 409.626689] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.663280] ? warn_alloc+0x120/0x120 [ 409.667096] ? warn_alloc+0x120/0x120 [ 409.670901] ? print_usage_bug+0xc0/0xc0 [ 409.674978] ? warn_alloc+0x120/0x120 [ 409.678782] ? print_usage_bug+0xc0/0xc0 [ 409.682859] ? __lock_acquire+0x7ec/0x4ec0 [ 409.687098] ? __lock_acquire+0x7ec/0x4ec0 [ 409.691336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.696877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.702418] ? should_fail+0x22d/0xd01 [ 409.706312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.711415] ? __lock_acquire+0x7ec/0x4ec0 [ 409.715665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.720769] ? __lock_acquire+0x7ec/0x4ec0 [ 409.725010] ? should_fail+0x22d/0xd01 [ 409.728911] ? mark_held_locks+0x130/0x130 [ 409.733155] ? mark_held_locks+0x130/0x130 [ 409.737394] ? graph_lock+0x170/0x170 [ 409.741199] ? print_usage_bug+0xc0/0xc0 [ 409.745263] ? graph_lock+0x170/0x170 [ 409.749067] ? print_usage_bug+0xc0/0xc0 [ 409.753133] ? wq_watchdog_touch+0x9c/0xfe [ 409.757371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.762913] ? check_preemption_disabled+0x48/0x200 [ 409.767932] ? check_preemption_disabled+0x48/0x200 [ 409.772961] ? __lock_is_held+0xb5/0x140 [ 409.777033] __alloc_pages_nodemask+0xa80/0xde0 [ 409.781702] ? graph_lock+0x170/0x170 [ 409.785510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.790527] ? graph_lock+0x170/0x170 [ 409.794344] ? find_held_lock+0x36/0x1c0 [ 409.798422] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.803096] ? lock_downgrade+0x900/0x900 [ 409.807254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.812809] cache_grow_begin+0x91/0x8c0 [ 409.816879] ? do_raw_spin_unlock+0xa7/0x2f0 [ 409.821300] fallback_alloc+0x203/0x2e0 [ 409.825282] ____cache_alloc_node+0x1c7/0x1e0 [ 409.829787] kmem_cache_alloc_node+0xe3/0x730 [ 409.834300] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.838547] __alloc_skb+0x119/0x770 [ 409.842269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.847564] ? skb_scrub_packet+0x490/0x490 [ 409.851894] ? lock_downgrade+0x900/0x900 [ 409.856058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.861604] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.867060] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.872518] ? addrconf_rs_timer+0x690/0x690 [ 409.876942] ndisc_alloc_skb+0x144/0x340 [ 409.881015] ndisc_send_rs+0x331/0x6e0 [ 409.884911] addrconf_rs_timer+0x314/0x690 [ 409.889151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.893401] call_timer_fn+0x272/0x920 [ 409.897288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.901525] ? process_timeout+0x40/0x40 [ 409.905590] ? find_held_lock+0x36/0x1c0 [ 409.909662] ? mark_held_locks+0xc7/0x130 [ 409.913820] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.918321] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.922819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.927057] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.931642] ? trace_hardirqs_on+0xbd/0x310 [ 409.935970] ? kasan_check_read+0x11/0x20 [ 409.940123] ? __run_timers+0x7da/0xc70 [ 409.944106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.949866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.954110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.958346] __run_timers+0x7e5/0xc70 [ 409.962165] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.967532] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.972552] ? graph_lock+0x170/0x170 [ 409.976359] ? print_usage_bug+0xc0/0xc0 [ 409.980421] ? lock_release+0x970/0x970 [ 409.984397] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.989598] ? find_held_lock+0x36/0x1c0 [ 409.993663] ? graph_lock+0x170/0x170 [ 409.997468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.003014] ? check_preemption_disabled+0x48/0x200 [ 410.008043] ? __lock_is_held+0xb5/0x140 [ 410.012111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.017653] ? check_preemption_disabled+0x48/0x200 [ 410.022684] run_timer_softirq+0x52/0xb0 [ 410.026751] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.031772] __do_softirq+0x30b/0xad8 [ 410.035593] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.040712] ? pvclock_read_flags+0x160/0x160 [ 410.045217] ? lapic_next_event+0x5a/0x90 [ 410.049372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.054919] ? check_preemption_disabled+0x48/0x200 [ 410.059941] ? check_preemption_disabled+0x48/0x200 [ 410.064972] ? kvm_clock_read+0x18/0x30 [ 410.068948] ? kvm_sched_clock_read+0x9/0x20 [ 410.073359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.078897] ? check_preemption_disabled+0x48/0x200 [ 410.084286] irq_exit+0x17f/0x1c0 [ 410.087749] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.092594] ? smp_reschedule_interrupt+0x109/0x650 [ 410.097610] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.103503] ? interrupt_entry+0xb5/0xf0 [ 410.107569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.112588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.117610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.122452] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.127468] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.132486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.138027] ? check_preemption_disabled+0x48/0x200 [ 410.143045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.148594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.153450] apic_timer_interrupt+0xf/0x20 [ 410.157682] [ 410.159928] RIP: 0010:console_unlock+0xfdf/0x1160 [ 410.164776] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 410.183691] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 410.191415] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 410.198690] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 410.205960] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 410.213224] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 410.220496] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 410.227782] ? netconsole_netdev_event+0x280/0x280 [ 410.232732] ? console_unlock+0xfd6/0x1160 [ 410.236995] ? devkmsg_read+0xbb0/0xbb0 [ 410.240969] ? vprintk_emit+0x7f7/0x930 [ 410.244951] ? lock_release+0x970/0x970 [ 410.248927] ? trace_hardirqs_on+0x10/0x310 [ 410.253256] ? vprintk_default+0x28/0x30 [ 410.257324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.262783] ? kasan_check_write+0x14/0x20 [ 410.267027] ? do_raw_spin_lock+0xc1/0x200 [ 410.271277] vprintk_emit+0x33d/0x930 [ 410.275092] ? wake_up_klogd+0x180/0x180 [ 410.279174] ? find_held_lock+0x36/0x1c0 [ 410.283247] ? mark_held_locks+0xc7/0x130 [ 410.287405] vprintk_default+0x28/0x30 [ 410.291295] vprintk_func+0x7e/0x181 [ 410.295015] printk+0xa7/0xcf [ 410.298124] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 410.302890] ? kasan_check_write+0x14/0x20 [ 410.307128] ? do_raw_spin_lock+0xc1/0x200 [ 410.311374] show_free_areas.cold.120+0x1b8e/0x215d [ 410.316417] ? si_meminfo_node+0x260/0x260 [ 410.320653] ? __lock_acquire+0x7ec/0x4ec0 [ 410.324898] ? __lock_acquire+0x7ec/0x4ec0 [ 410.329137] ? __lock_acquire+0x7ec/0x4ec0 [ 410.333374] ? kasan_check_write+0x14/0x20 [ 410.337617] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 410.343432] ? mark_held_locks+0x130/0x130 [ 410.347669] ? mark_held_locks+0x130/0x130 [ 410.351913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.357450] ? graph_lock+0x170/0x170 [ 410.361261] ? put_dec+0x3b/0xf0 [ 410.364631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.370167] ? number+0x972/0xca0 [ 410.373628] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 410.378649] ? find_held_lock+0x36/0x1c0 [ 410.382729] ? serial8250_console_write+0x8b3/0xb10 [ 410.387753] ? lock_downgrade+0x900/0x900 [ 410.391909] ? graph_lock+0x170/0x170 [ 410.395709] ? graph_lock+0x170/0x170 [ 410.399513] ? print_usage_bug+0xc0/0xc0 [ 410.403574] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.407987] ? trace_hardirqs_on+0x310/0x310 [ 410.412397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.417935] ? wq_watchdog_touch+0x9c/0xfe [ 410.422175] ? io_serial_in+0x11/0x90 [ 410.425989] ? find_held_lock+0x36/0x1c0 [ 410.430060] ? mark_held_locks+0xc7/0x130 [ 410.434215] ? console_unlock+0xfaa/0x1160 [ 410.438454] ? console_unlock+0xfaa/0x1160 [ 410.442694] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.447286] ? vprintk_emit+0x33d/0x930 [ 410.451268] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.456727] ? kasan_check_write+0x14/0x20 [ 410.460967] ? do_raw_spin_lock+0xc1/0x200 [ 410.465216] ? netconsole_netdev_event+0x280/0x280 [ 410.470148] ? console_unlock+0x9ba/0x1160 [ 410.474397] ? devkmsg_read+0xbb0/0xbb0 [ 410.478381] ? lock_release+0x970/0x970 [ 410.482358] ? preempt_count_add+0x7d/0x160 [ 410.486682] ? wake_up_klogd+0x11a/0x180 [ 410.490747] ? console_device+0xc0/0xc0 [ 410.494738] ? vprintk_emit+0x268/0x930 [ 410.498724] ? wake_up_klogd+0x180/0x180 [ 410.502785] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.507553] ? trace_hardirqs_off+0x310/0x310 [ 410.512055] ? retint_kernel+0x1b/0x2d [ 410.515945] ? trace_hardirqs_on+0x310/0x310 [ 410.520364] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.525135] ? retint_kernel+0x2d/0x2d [ 410.529036] ? arch_local_irq_restore+0x45/0x52 [ 410.533711] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 410.538732] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 410.543499] ? show_mem+0x1e/0x17b [ 410.547044] show_mem+0x34/0x17b [ 410.550417] dump_header+0x2f1/0xf72 [ 410.554145] ? pagefault_out_of_memory+0x197/0x197 [ 410.559086] ? __lock_acquire+0x7ec/0x4ec0 [ 410.563326] ? print_usage_bug+0xc0/0xc0 [ 410.567399] ? graph_lock+0x170/0x170 [ 410.571207] ? print_usage_bug+0xc0/0xc0 [ 410.575271] ? print_usage_bug+0xc0/0xc0 [ 410.579345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.584902] ? find_held_lock+0x36/0x1c0 [ 410.588976] ? mark_held_locks+0xc7/0x130 [ 410.593136] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 410.598242] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 410.603347] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.607934] ? trace_hardirqs_on+0xbd/0x310 [ 410.612256] ? kasan_check_read+0x11/0x20 [ 410.616405] ? ___ratelimit+0x36f/0x655 [ 410.620381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.625836] ? trace_hardirqs_on+0x310/0x310 [ 410.630267] ? lock_downgrade+0x900/0x900 [ 410.634431] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.639541] ? ___ratelimit+0xaa/0x655 [ 410.643430] ? idr_get_free+0xec0/0xec0 [ 410.647410] ? kasan_check_write+0x14/0x20 [ 410.651646] ? do_raw_spin_lock+0xc1/0x200 [ 410.655903] oom_kill_process.cold.27+0x10/0x903 [ 410.660661] ? graph_lock+0x170/0x170 [ 410.664475] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 410.670277] ? kasan_check_read+0x11/0x20 [ 410.674429] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.679715] ? oom_evaluate_task+0x540/0x540 [ 410.684130] ? find_held_lock+0x36/0x1c0 [ 410.688200] ? out_of_memory+0x974/0x1430 [ 410.692349] ? lock_downgrade+0x900/0x900 [ 410.696503] ? check_preemption_disabled+0x48/0x200 [ 410.701530] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 410.707416] ? kasan_check_read+0x11/0x20 [ 410.711568] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.716852] ? rcu_bh_qs+0xc0/0xc0 [ 410.720409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.725947] ? oom_evaluate_task+0x302/0x540 [ 410.730364] out_of_memory+0xa84/0x1430 [ 410.734375] ? oom_killer_disable+0x3a0/0x3a0 [ 410.738877] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 410.743818] ? __mutex_add_waiter+0x2a0/0x2a0 [ 410.748335] __alloc_pages_slowpath+0x2318/0x2d80 [ 410.753212] ? warn_alloc+0x120/0x120 [ 410.757020] ? trace_hardirqs_on+0x310/0x310 [ 410.761440] ? print_usage_bug+0xc0/0xc0 [ 410.765502] ? warn_alloc+0x120/0x120 [ 410.769304] ? print_usage_bug+0xc0/0xc0 [ 410.773371] ? print_usage_bug+0xc0/0xc0 [ 410.777434] ? free_one_page+0x1700/0x1700 [ 410.781675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.787221] ? should_fail+0x22d/0xd01 [ 410.791118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.796225] ? __lock_acquire+0x7ec/0x4ec0 [ 410.800488] ? __lock_is_held+0xb5/0x140 [ 410.804564] ? graph_lock+0x170/0x170 [ 410.808373] ? ___might_sleep+0x1ed/0x300 [ 410.812522] ? lock_release+0x970/0x970 [ 410.816497] ? arch_local_save_flags+0x40/0x40 [ 410.821094] ? __might_sleep+0x95/0x190 [ 410.825076] __alloc_pages_nodemask+0xa80/0xde0 [ 410.829746] ? graph_lock+0x170/0x170 [ 410.833640] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 410.838657] ? graph_lock+0x170/0x170 [ 410.842469] ? mark_held_locks+0xc7/0x130 [ 410.846616] ? find_held_lock+0x36/0x1c0 [ 410.850684] ? cache_grow_begin+0x5a4/0x8c0 [ 410.855009] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.859594] ? trace_hardirqs_on+0xbd/0x310 [ 410.863919] ? fallback_alloc+0x203/0x2e0 [ 410.868071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.873533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.879077] cache_grow_begin+0x91/0x8c0 [ 410.883150] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.887572] fallback_alloc+0x203/0x2e0 [ 410.891555] ____cache_alloc_node+0x1c7/0x1e0 [ 410.896062] kmem_cache_alloc_node_trace+0xe7/0x740 [ 410.901094] __kmalloc_node_track_caller+0x33/0x70 [ 410.906027] __kmalloc_reserve.isra.39+0x41/0xe0 [ 410.910793] __alloc_skb+0x155/0x770 [ 410.914537] ? skb_scrub_packet+0x490/0x490 [ 410.918871] ? if_nlmsg_size+0x5d1/0xbb0 [ 410.922943] ? nla_put_ifalias+0x170/0x170 [ 410.927205] ? sk_psock_stop_strp+0x120/0x120 [ 410.931699] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.936715] ? netif_tx_stop_all_queues+0xd9/0x110 [ 410.941649] rtmsg_ifinfo_build_skb+0x74/0x190 [ 410.946241] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 410.951515] rtmsg_ifinfo+0x8c/0xa0 [ 410.955153] dev_close_many+0x3be/0x860 [ 410.959152] ? netdev_master_upper_dev_link+0x50/0x50 [ 410.964347] ? find_held_lock+0x36/0x1c0 [ 410.968425] ? __queue_work+0x6be/0x1440 [ 410.972494] ? lock_downgrade+0x900/0x900 [ 410.976652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.982194] ? rtnl_is_locked+0xb5/0xf0 [ 410.986174] ? rtnl_trylock+0x20/0x20 [ 410.989979] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.994396] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 410.998988] rollback_registered_many+0x543/0x1210 [ 411.003928] ? generic_xdp_install+0x4c0/0x4c0 [ 411.008520] ? max_active_store+0x170/0x170 [ 411.012845] ? graph_lock+0x170/0x170 [ 411.016651] ? print_usage_bug+0xc0/0xc0 [ 411.020714] ? print_usage_bug+0xc0/0xc0 [ 411.024783] ? __debug_object_init+0x57d/0x1290 [ 411.029468] ? graph_lock+0x170/0x170 [ 411.033291] ? print_usage_bug+0xc0/0xc0 [ 411.037360] ? find_held_lock+0x36/0x1c0 [ 411.041437] ? mark_held_locks+0xc7/0x130 [ 411.045593] rollback_registered+0x1e9/0x420 [ 411.050003] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 411.054589] ? rollback_registered_many+0x1210/0x1210 [ 411.059781] ? trace_hardirqs_on+0xbd/0x310 [ 411.064115] ? linkwatch_schedule_work+0x150/0x170 [ 411.069051] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.074507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.080047] ? rtnl_is_locked+0xb5/0xf0 [ 411.084024] ? rtnl_trylock+0x20/0x20 [ 411.087839] ? queue_delayed_work_on+0x130/0x1f0 [ 411.092610] unregister_netdevice_queue+0x321/0x5e0 [ 411.097630] ? rollback_registered+0x420/0x420 [ 411.102222] ? linkwatch_schedule_work+0x170/0x170 [ 411.107155] ? tun_show_owner+0x170/0x170 [ 411.111308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.116857] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 411.122228] ? __tun_detach+0x6ba/0x15c0 [ 411.126302] __tun_detach+0x11b8/0x15c0 [ 411.130282] ? __call_rcu.constprop.69+0x429/0xbc0 [ 411.135219] ? tun_attach+0x1900/0x1900 [ 411.139197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.144736] ? check_preemption_disabled+0x48/0x200 [ 411.149763] ? graph_lock+0x170/0x170 [ 411.153571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.159114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.164653] ? locks_remove_file+0x3c6/0x5c0 [ 411.169062] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 411.174599] ? ima_file_free+0x132/0x650 [ 411.178670] ? __lock_is_held+0xb5/0x140 [ 411.182736] ? __tun_detach+0x15c0/0x15c0 [ 411.186895] ? __tun_detach+0x15c0/0x15c0 [ 411.191043] tun_chr_close+0xe3/0x180 [ 411.194849] __fput+0x385/0xa30 [ 411.198142] ? get_max_files+0x20/0x20 [ 411.202036] ? ___might_sleep+0x1ed/0x300 [ 411.206188] ? arch_local_save_flags+0x40/0x40 [ 411.210782] ____fput+0x15/0x20 [ 411.214069] task_work_run+0x1e8/0x2a0 [ 411.217962] ? task_work_cancel+0x240/0x240 [ 411.222293] ? switch_task_namespaces+0xb8/0xd0 [ 411.226973] do_exit+0x1ad7/0x2610 [ 411.230526] ? mm_update_next_owner+0x990/0x990 [ 411.235197] ? print_usage_bug+0xc0/0xc0 [ 411.239261] ? perf_trace_lock+0x14d/0x7a0 [ 411.243502] ? __lock_acquire+0x7ec/0x4ec0 [ 411.247744] ? find_held_lock+0x36/0x1c0 [ 411.251824] ? __lock_acquire+0x7ec/0x4ec0 [ 411.256064] ? mark_held_locks+0x130/0x130 [ 411.260306] ? lock_acquire+0x1ed/0x520 [ 411.264291] ? mark_held_locks+0x130/0x130 [ 411.268526] ? arch_local_save_flags+0x40/0x40 [ 411.273110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.278669] ? __mutex_lock+0x85e/0x1700 [ 411.282736] ? __switch_to_asm+0x40/0x70 [ 411.286807] ? __switch_to_asm+0x34/0x70 [ 411.290874] ? pipe_wait+0x266/0x2c0 [ 411.294597] ? mutex_trylock+0x2b0/0x2b0 [ 411.298676] ? graph_lock+0x170/0x170 [ 411.302480] ? find_held_lock+0x36/0x1c0 [ 411.306548] ? memset+0x31/0x40 [ 411.309843] ? find_held_lock+0x36/0x1c0 [ 411.313919] ? get_signal+0x95b/0x1980 [ 411.317819] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.322335] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.326840] do_group_exit+0x177/0x440 [ 411.330738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.336194] ? __ia32_sys_exit+0x50/0x50 [ 411.340274] get_signal+0x8b0/0x1980 [ 411.344007] ? ptrace_notify+0x130/0x130 [ 411.348074] ? finish_wait+0x430/0x430 [ 411.351965] ? graph_lock+0x170/0x170 [ 411.355779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.361328] ? pipe_read+0x702/0x940 [ 411.365042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.370593] do_signal+0x9c/0x21e0 [ 411.374136] ? __vfs_read+0x11f/0x9b0 [ 411.377947] ? vfs_copy_file_range+0xb90/0xb90 [ 411.382532] ? setup_sigcontext+0x7d0/0x7d0 [ 411.386879] ? exit_to_usermode_loop+0x8c/0x380 [ 411.391569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.397116] exit_to_usermode_loop+0x2e5/0x380 [ 411.401707] ? syscall_slow_exit_work+0x520/0x520 [ 411.406549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.412106] do_syscall_64+0x6be/0x820 [ 411.415998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.421362] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.426295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.431140] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.436161] ? prepare_exit_to_usermode+0x291/0x3b0 [ 411.441187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.446048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.451242] RIP: 0033:0x410fa0 [ 411.454440] Code: Bad RIP value. [ 411.457812] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 411.465542] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 411.472816] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 411.480088] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 411.487356] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 411.494623] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 411.501925] warn_alloc_show_mem: 1 callbacks suppressed [ 411.501938] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 411.501940] Mem-Info: [ 411.501972] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 411.501972] active_file:8 inactive_file:19 isolated_file:0 [ 411.501972] unevictable:0 dirty:0 writeback:0 unstable:0 [ 411.501972] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 411.501972] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 411.501972] free:13766 free_pcp:526 free_cma:0 [ 411.507313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.514679] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 411.517080] Call Trace: [ 411.550041] Node 0 [ 411.559400] [ 411.587178] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 411.589750] dump_stack+0x1c4/0x2b4 [ 411.591945] lowmem_reserve[]: 0 [ 411.594103] ? dump_stack_print_info.cold.2+0x52/0x52 [ 411.619753] 2819 6323 [ 411.623406] warn_alloc.cold.119+0xb7/0x1bd [ 411.626643] 6323 [ 411.631839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.634311] Node 0 [ 411.638629] ? lock_downgrade+0x900/0x900 [ 411.640692] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 411.645511] ? trace_hardirqs_off+0xb8/0x310 [ 411.647713] lowmem_reserve[]: 0 [ 411.651865] ? trace_hardirqs_off+0xb8/0x310 [ 411.679012] 0 [ 411.683443] __alloc_pages_slowpath+0x2667/0x2d80 [ 411.686677] 3503 3503 [ 411.691119] ? warn_alloc+0x120/0x120 [ 411.692873] Node 0 [ 411.697709] ? warn_alloc+0x120/0x120 [ 411.700206] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 411.703978] ? print_usage_bug+0xc0/0xc0 [ 411.706190] lowmem_reserve[]: [ 411.709983] ? warn_alloc+0x120/0x120 [ 411.738495] 0 0 [ 411.742566] ? print_usage_bug+0xc0/0xc0 [ 411.745645] 0 [ 411.749441] ? __lock_acquire+0x7ec/0x4ec0 [ 411.751389] 0 [ 411.755446] ? __lock_acquire+0x7ec/0x4ec0 [ 411.757229] Node 0 [ 411.761463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.763238] DMA: [ 411.767470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.769686] 1*4kB [ 411.775218] ? should_fail+0x22d/0xd01 [ 411.777256] (U) [ 411.782789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.784919] 0*8kB [ 411.788811] ? __lock_acquire+0x7ec/0x4ec0 [ 411.790753] 0*16kB 1*32kB [ 411.795861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.797987] (U) [ 411.802219] ? __lock_acquire+0x7ec/0x4ec0 [ 411.805039] 2*64kB [ 411.810136] ? should_fail+0x22d/0xd01 [ 411.812090] (U) [ 411.816332] ? mark_held_locks+0x130/0x130 [ 411.818538] 1*128kB [ 411.822418] ? mark_held_locks+0x130/0x130 [ 411.824366] (U) 1*256kB (U) [ 411.828607] ? graph_lock+0x170/0x170 [ 411.830911] 0*512kB [ 411.835137] ? print_usage_bug+0xc0/0xc0 [ 411.838128] 1*1024kB (U) [ 411.841933] ? graph_lock+0x170/0x170 [ 411.844232] 1*2048kB [ 411.848283] ? print_usage_bug+0xc0/0xc0 [ 411.851016] (M) [ 411.854822] ? wq_watchdog_touch+0x9c/0xfe [ 411.857208] 3*4096kB [ 411.861266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.863212] (M) [ 411.867441] ? check_preemption_disabled+0x48/0x200 [ 411.869825] = 15908kB [ 411.875359] ? check_preemption_disabled+0x48/0x200 [ 411.877309] Node 0 [ 411.882324] ? __lock_is_held+0xb5/0x140 [ 411.884704] DMA32: [ 411.889717] __alloc_pages_nodemask+0xa80/0xde0 [ 411.891925] 3*4kB [ 411.895976] ? graph_lock+0x170/0x170 [ 411.898186] (M) [ 411.902848] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.904970] 2*8kB [ 411.908766] ? graph_lock+0x170/0x170 [ 411.910714] (UM) [ 411.915733] ? find_held_lock+0x36/0x1c0 [ 411.917853] 2*16kB [ 411.921654] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.923689] (M) [ 411.927747] ? lock_downgrade+0x900/0x900 [ 411.929957] 3*32kB [ 411.934631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.936577] (UM) [ 411.940726] cache_grow_begin+0x91/0x8c0 [ 411.942928] 5*64kB (UM) [ 411.948472] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.950894] 3*128kB (M) [ 411.954969] fallback_alloc+0x203/0x2e0 [ 411.957609] 3*256kB [ 411.962015] ____cache_alloc_node+0x1c7/0x1e0 [ 411.964658] (M) [ 411.968631] kmem_cache_alloc_node+0xe3/0x730 [ 411.970927] 4*512kB [ 411.975424] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.977378] (UM) [ 411.981875] __alloc_skb+0x119/0x770 [ 411.984173] 3*1024kB [ 411.988406] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.990437] (UM) [ 411.994151] ? skb_scrub_packet+0x490/0x490 [ 411.996535] 3*2048kB [ 412.001817] ? lock_downgrade+0x900/0x900 [ 412.003860] (UM) [ 412.008180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.010553] 3*4096kB (M) [ 412.014712] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.016746] = 25180kB [ 412.022280] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.025010] Node 0 [ 412.030459] ? addrconf_rs_timer+0x690/0x690 [ 412.032843] Normal: [ 412.038300] ndisc_alloc_skb+0x144/0x340 [ 412.040507] 960*4kB [ 412.044914] ndisc_send_rs+0x331/0x6e0 [ 412.047209] (MEH) [ 412.051269] addrconf_rs_timer+0x314/0x690 [ 412.053563] 471*8kB [ 412.057449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.059574] (UME) [ 412.063822] call_timer_fn+0x272/0x920 [ 412.066111] 178*16kB [ 412.070336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.072463] (ME) [ 412.076345] ? process_timeout+0x40/0x40 [ 412.078728] 44*32kB (UME) [ 412.083428] ? find_held_lock+0x36/0x1c0 [ 412.085465] 1*64kB (U) [ 412.089535] ? __run_timers+0x7da/0xc70 [ 412.092348] 0*128kB 0*256kB [ 412.096417] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.098978] 2*512kB [ 412.102945] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.105937] (U) [ 412.110425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.112725] 1*1024kB (U) 0*2048kB [ 412.117231] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.119180] 0*4096kB [ 412.123406] ? trace_hardirqs_on+0xbd/0x310 [ 412.126920] = 13976kB [ 412.131500] ? kasan_check_read+0x11/0x20 [ 412.133893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.138202] ? __run_timers+0x7da/0xc70 [ 412.140592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.144732] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.153542] 2889 total pagecache pages [ 412.157513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.166088] 0 pages in swap cache [ 412.171531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.175399] Swap cache stats: add 0, delete 0, find 0/0 [ 412.179624] __run_timers+0x7e5/0xc70 [ 412.183049] Free swap = 0kB [ 412.187285] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.192605] Total swap = 0kB [ 412.192614] 1965979 pages RAM [ 412.196416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.199398] 0 pages HighMem/MovableOnly [ 412.199407] 342306 pages reserved [ 412.204765] ? rcu_bh_qs+0xc0/0xc0 [ 412.207757] 0 pages cma reserved [ 412.210862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.216197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.220086] ? check_preemption_disabled+0x48/0x200 [ 412.220111] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.220132] ? retint_kernel+0x2d/0x2d [ 412.223626] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.227098] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.230440] syz-executor1 cpuset= [ 412.235971] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.242435] syz1 [ 412.247451] ? trace_hardirqs_off+0x310/0x310 [ 412.252187] mems_allowed=0 [ 412.256076] ? check_preemption_disabled+0x48/0x200 [ 412.293993] ? graph_lock+0x170/0x170 [ 412.297811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.303354] ? check_preemption_disabled+0x48/0x200 [ 412.308425] ? __lock_is_held+0xb5/0x140 [ 412.312489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.318026] ? check_preemption_disabled+0x48/0x200 [ 412.323055] run_timer_softirq+0x52/0xb0 [ 412.327124] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.332144] __do_softirq+0x30b/0xad8 [ 412.335961] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.341076] ? pvclock_read_flags+0x160/0x160 [ 412.345574] ? lapic_next_event+0x5a/0x90 [ 412.349724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.355264] ? check_preemption_disabled+0x48/0x200 [ 412.360283] ? check_preemption_disabled+0x48/0x200 [ 412.365305] ? kvm_clock_read+0x18/0x30 [ 412.369281] ? kvm_sched_clock_read+0x9/0x20 [ 412.373728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.379266] ? check_preemption_disabled+0x48/0x200 [ 412.384300] irq_exit+0x17f/0x1c0 [ 412.387756] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.392601] ? smp_reschedule_interrupt+0x109/0x650 [ 412.397621] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.403515] ? interrupt_entry+0xb5/0xf0 [ 412.407579] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.412594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.417614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.422464] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.427485] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.432503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.438047] ? check_preemption_disabled+0x48/0x200 [ 412.443065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.448618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.453474] apic_timer_interrupt+0xf/0x20 [ 412.457710] [ 412.459949] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 412.464880] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 412.483781] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 412.491503] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 412.498769] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 412.506105] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 412.513378] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 412.520644] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 412.527973] skb_clone+0x1bb/0x500 [ 412.531521] ? finish_task_switch+0x2f5/0x900 [ 412.536022] ? skb_split+0x11e0/0x11e0 [ 412.540000] ? preempt_notifier_register+0x200/0x200 [ 412.545110] ? __switch_to_asm+0x34/0x70 [ 412.549174] ? __switch_to_asm+0x34/0x70 [ 412.553235] ? __switch_to_asm+0x40/0x70 [ 412.557295] ? __switch_to_asm+0x34/0x70 [ 412.561356] ? __switch_to_asm+0x40/0x70 [ 412.565424] ? __switch_to_asm+0x34/0x70 [ 412.569486] ? __switch_to_asm+0x40/0x70 [ 412.573546] ? __switch_to_asm+0x34/0x70 [ 412.577611] ? __switch_to_asm+0x34/0x70 [ 412.581671] ? __switch_to_asm+0x40/0x70 [ 412.585730] ? __switch_to_asm+0x34/0x70 [ 412.589812] bpf_clone_redirect+0xb9/0x490 [ 412.594052] ? __schedule+0x874/0x1ed0 [ 412.597946] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 412.602968] ? __sched_text_start+0x8/0x8 [ 412.607121] ? retint_kernel+0x2d/0x2d [ 412.611021] ? find_held_lock+0x36/0x1c0 [ 412.615091] ? lock_acquire+0x1ed/0x520 [ 412.619065] ? bpf_test_run+0x3cb/0x780 [ 412.623044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.628585] ? check_preemption_disabled+0x48/0x200 [ 412.633610] ? kasan_check_read+0x11/0x20 [ 412.637762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.643052] ? rcu_bh_qs+0xc0/0xc0 [ 412.646599] ? preempt_schedule+0x4d/0x60 [ 412.650754] ? ___preempt_schedule+0x16/0x18 [ 412.655173] ? bpf_test_run+0x25d/0x780 [ 412.659161] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.663578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.669117] ? bpf_test_init.isra.9+0x70/0x100 [ 412.673704] ? bpf_prog_test_run_skb+0x634/0xb40 [ 412.678470] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.683312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.688855] ? fput+0x130/0x1a0 [ 412.692142] ? __bpf_prog_get+0x9b/0x290 [ 412.696213] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.701054] ? bpf_prog_test_run+0x130/0x1a0 [ 412.705470] ? __x64_sys_bpf+0x3d8/0x510 [ 412.709533] ? bpf_prog_get+0x20/0x20 [ 412.713359] ? do_syscall_64+0x1b9/0x820 [ 412.717447] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.722821] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.727755] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.732777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.737809] ? recalc_sigpending_tsk+0x180/0x180 [ 412.742569] ? kasan_check_write+0x14/0x20 [ 412.746823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.751681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.757070] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 412.757157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.764348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.764357] Call Trace: [ 412.770963] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.780182] [ 412.782753] syz-executor2 cpuset= [ 412.793241] dump_stack+0x1c4/0x2b4 [ 412.795363] syz2 [ 412.798830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.802429] mems_allowed=0 [ 412.804405] warn_alloc.cold.119+0xb7/0x1bd [ 412.816788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.821644] ? lock_downgrade+0x900/0x900 [ 412.825814] ? trace_hardirqs_off+0xb8/0x310 [ 412.830239] ? trace_hardirqs_off+0xb8/0x310 [ 412.834662] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.839539] ? warn_alloc+0x120/0x120 [ 412.843350] ? warn_alloc+0x120/0x120 [ 412.847158] ? print_usage_bug+0xc0/0xc0 [ 412.851223] ? warn_alloc+0x120/0x120 [ 412.855028] ? print_usage_bug+0xc0/0xc0 [ 412.859094] ? __lock_acquire+0x7ec/0x4ec0 [ 412.863331] ? __lock_acquire+0x7ec/0x4ec0 [ 412.867570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.873107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.878647] ? should_fail+0x22d/0xd01 [ 412.882540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.887648] ? __lock_acquire+0x7ec/0x4ec0 [ 412.891893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.897001] ? __lock_acquire+0x7ec/0x4ec0 [ 412.901236] ? should_fail+0x22d/0xd01 [ 412.905201] ? mark_held_locks+0x130/0x130 [ 412.909446] ? mark_held_locks+0x130/0x130 [ 412.913683] ? graph_lock+0x170/0x170 [ 412.917487] ? print_usage_bug+0xc0/0xc0 [ 412.921550] ? graph_lock+0x170/0x170 [ 412.925349] ? print_usage_bug+0xc0/0xc0 [ 412.929415] ? wq_watchdog_touch+0x9c/0xfe [ 412.933652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.939190] ? check_preemption_disabled+0x48/0x200 [ 412.944207] ? check_preemption_disabled+0x48/0x200 [ 412.949235] ? __lock_is_held+0xb5/0x140 [ 412.953303] __alloc_pages_nodemask+0xa80/0xde0 [ 412.957973] ? graph_lock+0x170/0x170 [ 412.961778] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.966808] ? graph_lock+0x170/0x170 [ 412.970625] ? find_held_lock+0x36/0x1c0 [ 412.974697] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.979368] ? lock_downgrade+0x900/0x900 [ 412.983528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.989072] cache_grow_begin+0x91/0x8c0 [ 412.993137] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.997553] fallback_alloc+0x203/0x2e0 [ 413.001539] ____cache_alloc_node+0x1c7/0x1e0 [ 413.006040] kmem_cache_alloc_node+0xe3/0x730 [ 413.010538] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.014785] __alloc_skb+0x119/0x770 [ 413.018518] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.023812] ? skb_scrub_packet+0x490/0x490 [ 413.028136] ? lock_downgrade+0x900/0x900 [ 413.032294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.037834] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.043292] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.048750] ? addrconf_rs_timer+0x690/0x690 [ 413.053172] ndisc_alloc_skb+0x144/0x340 [ 413.057240] ndisc_send_rs+0x331/0x6e0 [ 413.061136] addrconf_rs_timer+0x314/0x690 [ 413.065377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.069630] call_timer_fn+0x272/0x920 [ 413.073525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.077765] ? process_timeout+0x40/0x40 [ 413.081835] ? find_held_lock+0x36/0x1c0 [ 413.085909] ? mark_held_locks+0xc7/0x130 [ 413.090063] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.094559] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.099050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.103287] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.107877] ? trace_hardirqs_on+0xbd/0x310 [ 413.112201] ? kasan_check_read+0x11/0x20 [ 413.116349] ? __run_timers+0x7da/0xc70 [ 413.120325] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.125779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.130025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.134263] __run_timers+0x7e5/0xc70 [ 413.138077] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.143443] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.148465] ? graph_lock+0x170/0x170 [ 413.152274] ? print_usage_bug+0xc0/0xc0 [ 413.156337] ? lock_release+0x970/0x970 [ 413.160319] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.165518] ? find_held_lock+0x36/0x1c0 [ 413.169586] ? graph_lock+0x170/0x170 [ 413.173395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.178940] ? check_preemption_disabled+0x48/0x200 [ 413.183983] ? __lock_is_held+0xb5/0x140 [ 413.188045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.193587] ? check_preemption_disabled+0x48/0x200 [ 413.198611] run_timer_softirq+0x52/0xb0 [ 413.202673] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.207689] __do_softirq+0x30b/0xad8 [ 413.211502] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.216613] ? pvclock_read_flags+0x160/0x160 [ 413.221109] ? lapic_next_event+0x5a/0x90 [ 413.225263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.230811] ? check_preemption_disabled+0x48/0x200 [ 413.235838] ? check_preemption_disabled+0x48/0x200 [ 413.240874] ? kvm_clock_read+0x18/0x30 [ 413.244853] ? kvm_sched_clock_read+0x9/0x20 [ 413.249269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.254819] ? check_preemption_disabled+0x48/0x200 [ 413.259852] irq_exit+0x17f/0x1c0 [ 413.263313] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.268154] ? smp_reschedule_interrupt+0x109/0x650 [ 413.273171] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.279059] ? interrupt_entry+0xb5/0xf0 [ 413.283125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.288143] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.293164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.298007] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.303025] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.308048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.313589] ? check_preemption_disabled+0x48/0x200 [ 413.318606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.324154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.329006] apic_timer_interrupt+0xf/0x20 [ 413.333235] [ 413.335473] RIP: 0010:console_unlock+0xfdf/0x1160 [ 413.340322] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 413.359227] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 413.366941] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 413.374216] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 413.381486] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 413.388758] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 413.396028] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 413.403318] ? netconsole_netdev_event+0x280/0x280 [ 413.408261] ? console_unlock+0xfd6/0x1160 [ 413.412522] ? devkmsg_read+0xbb0/0xbb0 [ 413.416496] ? vprintk_emit+0x7f7/0x930 [ 413.420480] ? lock_release+0x970/0x970 [ 413.424458] ? trace_hardirqs_on+0x10/0x310 [ 413.428780] ? vprintk_default+0x28/0x30 [ 413.432862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.438326] ? kasan_check_write+0x14/0x20 [ 413.442565] ? do_raw_spin_lock+0xc1/0x200 [ 413.446815] vprintk_emit+0x33d/0x930 [ 413.450630] ? wake_up_klogd+0x180/0x180 [ 413.454706] ? find_held_lock+0x36/0x1c0 [ 413.458779] ? mark_held_locks+0xc7/0x130 [ 413.462947] vprintk_default+0x28/0x30 [ 413.466847] vprintk_func+0x7e/0x181 [ 413.470569] printk+0xa7/0xcf [ 413.473678] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 413.478448] ? kasan_check_write+0x14/0x20 [ 413.482688] ? do_raw_spin_lock+0xc1/0x200 [ 413.486939] show_free_areas.cold.120+0x1b8e/0x215d [ 413.491979] ? si_meminfo_node+0x260/0x260 [ 413.496220] ? __lock_acquire+0x7ec/0x4ec0 [ 413.500461] ? __lock_acquire+0x7ec/0x4ec0 [ 413.504701] ? __lock_acquire+0x7ec/0x4ec0 [ 413.508941] ? kasan_check_write+0x14/0x20 [ 413.513179] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 413.518987] ? mark_held_locks+0x130/0x130 [ 413.523228] ? mark_held_locks+0x130/0x130 [ 413.527470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.533005] ? graph_lock+0x170/0x170 [ 413.536816] ? put_dec+0x3b/0xf0 [ 413.540189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.545729] ? number+0x972/0xca0 [ 413.549190] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 413.554212] ? find_held_lock+0x36/0x1c0 [ 413.558289] ? serial8250_console_write+0x8b3/0xb10 [ 413.563311] ? lock_downgrade+0x900/0x900 [ 413.567465] ? graph_lock+0x170/0x170 [ 413.571265] ? graph_lock+0x170/0x170 [ 413.575066] ? print_usage_bug+0xc0/0xc0 [ 413.579131] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.583544] ? trace_hardirqs_on+0x310/0x310 [ 413.587960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.593496] ? wq_watchdog_touch+0x9c/0xfe [ 413.597731] ? io_serial_in+0x11/0x90 [ 413.601544] ? find_held_lock+0x36/0x1c0 [ 413.605615] ? mark_held_locks+0xc7/0x130 [ 413.609768] ? console_unlock+0xfaa/0x1160 [ 413.614021] ? console_unlock+0xfaa/0x1160 [ 413.618258] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.622850] ? vprintk_emit+0x33d/0x930 [ 413.626839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.632299] ? kasan_check_write+0x14/0x20 [ 413.636540] ? do_raw_spin_lock+0xc1/0x200 [ 413.640781] ? netconsole_netdev_event+0x280/0x280 [ 413.645728] ? console_unlock+0x9ba/0x1160 [ 413.649981] ? devkmsg_read+0xbb0/0xbb0 [ 413.653962] ? lock_release+0x970/0x970 [ 413.657939] ? preempt_count_add+0x7d/0x160 [ 413.662263] ? wake_up_klogd+0x11a/0x180 [ 413.666330] ? console_device+0xc0/0xc0 [ 413.670319] ? vprintk_emit+0x268/0x930 [ 413.674302] ? wake_up_klogd+0x180/0x180 [ 413.678363] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.683121] ? trace_hardirqs_off+0x310/0x310 [ 413.687616] ? retint_kernel+0x1b/0x2d [ 413.691503] ? trace_hardirqs_on+0x310/0x310 [ 413.695923] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.700690] ? retint_kernel+0x2d/0x2d [ 413.704588] ? arch_local_irq_restore+0x45/0x52 [ 413.709260] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 413.714276] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 413.719038] ? show_mem+0x1e/0x17b [ 413.722581] show_mem+0x34/0x17b [ 413.725953] dump_header+0x2f1/0xf72 [ 413.729679] ? pagefault_out_of_memory+0x197/0x197 [ 413.734626] ? __lock_acquire+0x7ec/0x4ec0 [ 413.738876] ? print_usage_bug+0xc0/0xc0 [ 413.742945] ? graph_lock+0x170/0x170 [ 413.746814] ? print_usage_bug+0xc0/0xc0 [ 413.750881] ? print_usage_bug+0xc0/0xc0 [ 413.754958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.760506] ? find_held_lock+0x36/0x1c0 [ 413.764577] ? mark_held_locks+0xc7/0x130 [ 413.768736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.773839] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.778952] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.783539] ? trace_hardirqs_on+0xbd/0x310 [ 413.787871] ? kasan_check_read+0x11/0x20 [ 413.792018] ? ___ratelimit+0x36f/0x655 [ 413.796000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.801454] ? trace_hardirqs_on+0x310/0x310 [ 413.805863] ? lock_downgrade+0x900/0x900 [ 413.810029] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.815134] ? ___ratelimit+0xaa/0x655 [ 413.819027] ? idr_get_free+0xec0/0xec0 [ 413.823006] ? kasan_check_write+0x14/0x20 [ 413.827244] ? do_raw_spin_lock+0xc1/0x200 [ 413.831491] oom_kill_process.cold.27+0x10/0x903 [ 413.836253] ? graph_lock+0x170/0x170 [ 413.840063] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.845861] ? kasan_check_read+0x11/0x20 [ 413.850017] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.855302] ? oom_evaluate_task+0x540/0x540 [ 413.859714] ? find_held_lock+0x36/0x1c0 [ 413.863788] ? out_of_memory+0x974/0x1430 [ 413.867951] ? lock_downgrade+0x900/0x900 [ 413.872101] ? check_preemption_disabled+0x48/0x200 [ 413.877127] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.882931] ? kasan_check_read+0x11/0x20 [ 413.887095] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.892383] ? rcu_bh_qs+0xc0/0xc0 [ 413.895938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.901481] ? oom_evaluate_task+0x302/0x540 [ 413.905903] out_of_memory+0xa84/0x1430 [ 413.909899] ? oom_killer_disable+0x3a0/0x3a0 [ 413.914397] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 413.919334] ? __mutex_add_waiter+0x2a0/0x2a0 [ 413.923849] __alloc_pages_slowpath+0x2318/0x2d80 [ 413.928740] ? warn_alloc+0x120/0x120 [ 413.932550] ? trace_hardirqs_on+0x310/0x310 [ 413.936966] ? print_usage_bug+0xc0/0xc0 [ 413.941030] ? warn_alloc+0x120/0x120 [ 413.944841] ? print_usage_bug+0xc0/0xc0 [ 413.948913] ? print_usage_bug+0xc0/0xc0 [ 413.953435] ? free_one_page+0x1700/0x1700 [ 413.957676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.963218] ? should_fail+0x22d/0xd01 [ 413.967114] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.972221] ? __lock_acquire+0x7ec/0x4ec0 [ 413.976491] ? __lock_is_held+0xb5/0x140 [ 413.980564] ? graph_lock+0x170/0x170 [ 413.984378] ? ___might_sleep+0x1ed/0x300 [ 413.988541] ? lock_release+0x970/0x970 [ 413.992533] ? arch_local_save_flags+0x40/0x40 [ 413.997138] ? __might_sleep+0x95/0x190 [ 414.001126] __alloc_pages_nodemask+0xa80/0xde0 [ 414.005811] ? graph_lock+0x170/0x170 [ 414.009619] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.014638] ? graph_lock+0x170/0x170 [ 414.018451] ? mark_held_locks+0xc7/0x130 [ 414.022603] ? find_held_lock+0x36/0x1c0 [ 414.026675] ? cache_grow_begin+0x5a4/0x8c0 [ 414.031004] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.035598] ? trace_hardirqs_on+0xbd/0x310 [ 414.039929] ? fallback_alloc+0x203/0x2e0 [ 414.044085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.049547] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.055095] cache_grow_begin+0x91/0x8c0 [ 414.059164] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.064300] fallback_alloc+0x203/0x2e0 [ 414.068288] ____cache_alloc_node+0x1c7/0x1e0 [ 414.072792] kmem_cache_alloc_node_trace+0xe7/0x740 [ 414.077862] __kmalloc_node_track_caller+0x33/0x70 [ 414.083206] __kmalloc_reserve.isra.39+0x41/0xe0 [ 414.087978] __alloc_skb+0x155/0x770 [ 414.091704] ? skb_scrub_packet+0x490/0x490 [ 414.096030] ? if_nlmsg_size+0x5d1/0xbb0 [ 414.100100] ? nla_put_ifalias+0x170/0x170 [ 414.104351] ? sk_psock_stop_strp+0x120/0x120 [ 414.108856] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 414.113886] ? netif_tx_stop_all_queues+0xd9/0x110 [ 414.118831] rtmsg_ifinfo_build_skb+0x74/0x190 [ 414.123427] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 414.128282] rtmsg_ifinfo+0x8c/0xa0 [ 414.131921] dev_close_many+0x3be/0x860 [ 414.135911] ? netdev_master_upper_dev_link+0x50/0x50 [ 414.141115] ? find_held_lock+0x36/0x1c0 [ 414.145187] ? __queue_work+0x6be/0x1440 [ 414.149260] ? lock_downgrade+0x900/0x900 [ 414.153419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.158964] ? rtnl_is_locked+0xb5/0xf0 [ 414.162952] ? rtnl_trylock+0x20/0x20 [ 414.166759] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.171174] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 414.175767] rollback_registered_many+0x543/0x1210 [ 414.180718] ? generic_xdp_install+0x4c0/0x4c0 [ 414.185310] ? max_active_store+0x170/0x170 [ 414.189636] ? graph_lock+0x170/0x170 [ 414.193442] ? print_usage_bug+0xc0/0xc0 [ 414.197505] ? print_usage_bug+0xc0/0xc0 [ 414.201570] ? __debug_object_init+0x57d/0x1290 [ 414.206242] ? graph_lock+0x170/0x170 [ 414.210046] ? print_usage_bug+0xc0/0xc0 [ 414.214111] ? find_held_lock+0x36/0x1c0 [ 414.218184] ? mark_held_locks+0xc7/0x130 [ 414.222344] rollback_registered+0x1e9/0x420 [ 414.226759] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 414.231353] ? rollback_registered_many+0x1210/0x1210 [ 414.236548] ? trace_hardirqs_on+0xbd/0x310 [ 414.240880] ? linkwatch_schedule_work+0x150/0x170 [ 414.245823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.251281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.256826] ? rtnl_is_locked+0xb5/0xf0 [ 414.260810] ? rtnl_trylock+0x20/0x20 [ 414.264616] ? queue_delayed_work_on+0x130/0x1f0 [ 414.269382] unregister_netdevice_queue+0x321/0x5e0 [ 414.274407] ? rollback_registered+0x420/0x420 [ 414.278996] ? linkwatch_schedule_work+0x170/0x170 [ 414.283928] ? tun_show_owner+0x170/0x170 [ 414.288080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.293626] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 414.298991] ? __tun_detach+0x6ba/0x15c0 [ 414.303061] __tun_detach+0x11b8/0x15c0 [ 414.307039] ? __call_rcu.constprop.69+0x429/0xbc0 [ 414.311977] ? tun_attach+0x1900/0x1900 [ 414.315957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.321525] ? check_preemption_disabled+0x48/0x200 [ 414.326555] ? graph_lock+0x170/0x170 [ 414.330360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.335903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.341448] ? locks_remove_file+0x3c6/0x5c0 [ 414.345861] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.351405] ? ima_file_free+0x132/0x650 [ 414.355476] ? __lock_is_held+0xb5/0x140 [ 414.359548] ? __tun_detach+0x15c0/0x15c0 [ 414.363703] ? __tun_detach+0x15c0/0x15c0 [ 414.367854] tun_chr_close+0xe3/0x180 [ 414.371669] __fput+0x385/0xa30 [ 414.374962] ? get_max_files+0x20/0x20 [ 414.378863] ? ___might_sleep+0x1ed/0x300 [ 414.383023] ? arch_local_save_flags+0x40/0x40 [ 414.387621] ____fput+0x15/0x20 [ 414.390905] task_work_run+0x1e8/0x2a0 [ 414.394811] ? task_work_cancel+0x240/0x240 [ 414.399143] ? switch_task_namespaces+0xb8/0xd0 [ 414.403826] do_exit+0x1ad7/0x2610 [ 414.407382] ? mm_update_next_owner+0x990/0x990 [ 414.412058] ? print_usage_bug+0xc0/0xc0 [ 414.416118] ? perf_trace_lock+0x14d/0x7a0 [ 414.420362] ? __lock_acquire+0x7ec/0x4ec0 [ 414.424603] ? find_held_lock+0x36/0x1c0 [ 414.428678] ? __lock_acquire+0x7ec/0x4ec0 [ 414.432919] ? mark_held_locks+0x130/0x130 [ 414.437163] ? lock_acquire+0x1ed/0x520 [ 414.441149] ? mark_held_locks+0x130/0x130 [ 414.445386] ? arch_local_save_flags+0x40/0x40 [ 414.449974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.455539] ? __mutex_lock+0x85e/0x1700 [ 414.459606] ? __switch_to_asm+0x40/0x70 [ 414.463669] ? __switch_to_asm+0x34/0x70 [ 414.467737] ? pipe_wait+0x266/0x2c0 [ 414.471472] ? mutex_trylock+0x2b0/0x2b0 [ 414.475553] ? graph_lock+0x170/0x170 [ 414.479363] ? find_held_lock+0x36/0x1c0 [ 414.483434] ? memset+0x31/0x40 [ 414.486729] ? find_held_lock+0x36/0x1c0 [ 414.490815] ? get_signal+0x95b/0x1980 [ 414.494713] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.499208] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.503716] do_group_exit+0x177/0x440 [ 414.507609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.513060] ? __ia32_sys_exit+0x50/0x50 [ 414.517137] get_signal+0x8b0/0x1980 [ 414.520863] ? ptrace_notify+0x130/0x130 [ 414.524940] ? finish_wait+0x430/0x430 [ 414.528839] ? graph_lock+0x170/0x170 [ 414.532655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.538198] ? pipe_read+0x702/0x940 [ 414.541922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.547478] do_signal+0x9c/0x21e0 [ 414.551021] ? __vfs_read+0x11f/0x9b0 [ 414.554844] ? vfs_copy_file_range+0xb90/0xb90 [ 414.559442] ? setup_sigcontext+0x7d0/0x7d0 [ 414.563786] ? exit_to_usermode_loop+0x8c/0x380 [ 414.568489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.574040] exit_to_usermode_loop+0x2e5/0x380 [ 414.578631] ? syscall_slow_exit_work+0x520/0x520 [ 414.583474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.589028] do_syscall_64+0x6be/0x820 [ 414.592920] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.598293] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.603224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.608071] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.613096] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.618124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.622981] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.628174] RIP: 0033:0x410fa0 [ 414.631373] Code: Bad RIP value. [ 414.634739] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 414.642457] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 414.649740] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 414.657022] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 414.664293] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 414.671571] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 414.678885] warn_alloc_show_mem: 1 callbacks suppressed [ 414.678898] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 414.678900] Mem-Info: [ 414.678933] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 414.678933] active_file:8 inactive_file:19 isolated_file:0 [ 414.678933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.678933] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 414.678933] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 414.678933] free:13766 free_pcp:526 free_cma:0 [ 414.684285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.691656] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.694055] Call Trace: [ 414.727022] Node 0 [ 414.736385] [ 414.764169] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 414.766740] dump_stack+0x1c4/0x2b4 [ 414.768945] lowmem_reserve[]: [ 414.771098] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.796589] 0 [ 414.800247] warn_alloc.cold.119+0xb7/0x1bd [ 414.803313] 2819 [ 414.808507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.810274] 6323 [ 414.814591] ? lock_downgrade+0x900/0x900 [ 414.816624] 6323 [ 414.821466] ? trace_hardirqs_off+0xb8/0x310 [ 414.827642] ? trace_hardirqs_off+0xb8/0x310 [ 414.829679] Node 0 [ 414.834088] __alloc_pages_slowpath+0x2667/0x2d80 [ 414.838487] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 414.840726] ? warn_alloc+0x120/0x120 [ 414.845512] lowmem_reserve[]: 0 [ 414.872694] ? trace_hardirqs_on+0x310/0x310 [ 414.876472] 0 [ 414.879759] ? warn_alloc+0x120/0x120 [ 414.884140] 3503 [ 414.885948] ? print_usage_bug+0xc0/0xc0 [ 414.889713] 3503 [ 414.891772] ? warn_alloc+0x120/0x120 [ 414.897875] ? ktime_get+0x2e1/0x440 [ 414.901657] Node 0 [ 414.905376] ? print_usage_bug+0xc0/0xc0 [ 414.905408] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 414.905416] lowmem_reserve[]: [ 414.907652] ? __lock_acquire+0x7ec/0x4ec0 [ 414.911688] 0 [ 414.940247] ? __lock_acquire+0x7ec/0x4ec0 [ 414.943335] 0 [ 414.947576] ? kasan_check_read+0x11/0x20 [ 414.949342] 0 0 [ 414.953615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.955394] Node 0 [ 414.959536] ? should_fail+0x22d/0xd01 [ 414.961482] DMA: 1*4kB [ 414.967028] ? rcu_bh_qs+0xc0/0xc0 [ 414.969234] (U) [ 414.973121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.975681] 0*8kB [ 414.979214] ? __lock_acquire+0x7ec/0x4ec0 [ 414.981170] 0*16kB [ 414.986264] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.988400] 1*32kB (U) [ 414.992643] ? __lock_acquire+0x7ec/0x4ec0 [ 414.994857] 2*64kB [ 414.999960] ? should_fail+0x22d/0xd01 [ 415.002514] (U) [ 415.006741] ? rcu_idle_enter+0x4b0/0x4b0 [ 415.008950] 1*128kB [ 415.012840] ? mark_held_locks+0x130/0x130 [ 415.014789] (U) [ 415.018942] ? mark_held_locks+0x130/0x130 [ 415.021247] 1*256kB [ 415.025476] ? mark_held_locks+0xc7/0x130 [ 415.027424] (U) 0*512kB [ 415.031666] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 415.033965] 1*1024kB [ 415.038107] ? graph_lock+0x170/0x170 [ 415.040751] (U) 1*2048kB [ 415.045769] ? print_usage_bug+0xc0/0xc0 [ 415.048146] (M) 3*4096kB [ 415.051954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.054681] (M) [ 415.058753] ? check_preemption_disabled+0x48/0x200 [ 415.061488] = 15908kB [ 415.067432] ? check_preemption_disabled+0x48/0x200 [ 415.069385] Node 0 [ 415.074410] ? __lock_is_held+0xb5/0x140 [ 415.076787] DMA32: [ 415.081813] __alloc_pages_nodemask+0xa80/0xde0 [ 415.084024] 3*4kB [ 415.088088] ? graph_lock+0x170/0x170 [ 415.090306] (M) [ 415.094976] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.097101] 2*8kB [ 415.100894] ? graph_lock+0x170/0x170 [ 415.102847] (UM) [ 415.107867] ? find_held_lock+0x36/0x1c0 [ 415.109989] 2*16kB [ 415.113792] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.115834] (M) [ 415.119890] ? lock_downgrade+0x900/0x900 [ 415.122106] 3*32kB [ 415.126771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.128719] (UM) [ 415.132868] cache_grow_begin+0x91/0x8c0 [ 415.135087] 5*64kB [ 415.140621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.142659] (UM) [ 415.146720] fallback_alloc+0x203/0x2e0 [ 415.148930] 3*128kB [ 415.153335] ____cache_alloc_node+0x1c7/0x1e0 [ 415.155374] (M) [ 415.159343] kmem_cache_alloc_node+0xe3/0x730 [ 415.161641] 3*256kB [ 415.166129] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.168078] (M) [ 415.172576] __alloc_skb+0x119/0x770 [ 415.174874] 4*512kB [ 415.179098] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.181044] (UM) [ 415.184754] ? skb_scrub_packet+0x490/0x490 [ 415.187054] 3*1024kB [ 415.192336] ? lock_downgrade+0x900/0x900 [ 415.194370] (UM) 3*2048kB [ 415.198705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.201081] (UM) [ 415.205227] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.208038] 3*4096kB (M) [ 415.213585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.215626] = 25180kB [ 415.221073] ? addrconf_rs_timer+0x690/0x690 [ 415.223815] Node 0 [ 415.229266] ndisc_alloc_skb+0x144/0x340 [ 415.231648] Normal: [ 415.236053] ndisc_send_rs+0x331/0x6e0 [ 415.238267] 960*4kB [ 415.242327] addrconf_rs_timer+0x314/0x690 [ 415.244626] (MEH) [ 415.248510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.250817] 471*8kB [ 415.255053] call_timer_fn+0x272/0x920 [ 415.257172] (UME) [ 415.261402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.263707] 178*16kB [ 415.267591] ? process_timeout+0x40/0x40 [ 415.269716] (ME) [ 415.273950] ? find_held_lock+0x36/0x1c0 [ 415.276330] 44*32kB (UME) [ 415.280411] ? __run_timers+0x7da/0xc70 [ 415.282441] 1*64kB [ 415.286503] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.289316] (U) [ 415.293295] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.295503] 0*128kB [ 415.300005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.301958] 0*256kB [ 415.306448] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.308747] 2*512kB [ 415.312974] ? trace_hardirqs_on+0xbd/0x310 [ 415.315269] (U) [ 415.319845] ? kasan_check_read+0x11/0x20 [ 415.322144] 1*1024kB [ 415.326462] ? __run_timers+0x7da/0xc70 [ 415.328415] (U) [ 415.332557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.334943] 0*2048kB [ 415.338912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.340865] 0*4096kB [ 415.346310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.348692] = 13976kB [ 415.352921] __run_timers+0x7e5/0xc70 [ 415.355309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.359550] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.361932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.365724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.374534] 2889 total pagecache pages [ 415.379900] ? rcu_bh_qs+0xc0/0xc0 [ 415.388456] 0 pages in swap cache [ 415.393728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.397586] Swap cache stats: add 0, delete 0, find 0/0 [ 415.401127] ? check_preemption_disabled+0x48/0x200 [ 415.404558] Free swap = 0kB [ 415.410095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.415428] Total swap = 0kB [ 415.420441] ? retint_kernel+0x2d/0x2d [ 415.423430] 1965979 pages RAM [ 415.428181] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.431170] 0 pages HighMem/MovableOnly [ 415.431179] 342306 pages reserved [ 415.435069] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.438147] 0 pages cma reserved [ 415.443080] ? trace_hardirqs_off+0x310/0x310 [ 415.447105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.450480] ? check_preemption_disabled+0x48/0x200 [ 415.455279] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.458565] ? graph_lock+0x170/0x170 [ 415.463037] syz-executor1 cpuset= [ 415.469528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.474518] syz1 [ 415.485008] ? check_preemption_disabled+0x48/0x200 [ 415.488780] mems_allowed=0 [ 415.492238] ? __lock_is_held+0xb5/0x140 [ 415.511681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.517222] ? check_preemption_disabled+0x48/0x200 [ 415.522252] run_timer_softirq+0x52/0xb0 [ 415.526317] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.531334] __do_softirq+0x30b/0xad8 [ 415.535153] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.540274] ? pvclock_read_flags+0x160/0x160 [ 415.544777] ? lapic_next_event+0x5a/0x90 [ 415.548942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.554487] ? check_preemption_disabled+0x48/0x200 [ 415.559506] ? check_preemption_disabled+0x48/0x200 [ 415.564534] ? kvm_clock_read+0x18/0x30 [ 415.568517] ? kvm_sched_clock_read+0x9/0x20 [ 415.572935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.578487] ? check_preemption_disabled+0x48/0x200 [ 415.583520] irq_exit+0x17f/0x1c0 [ 415.586982] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.591832] ? smp_reschedule_interrupt+0x109/0x650 [ 415.596856] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.602751] ? interrupt_entry+0xb5/0xf0 [ 415.606842] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.611861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.616884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.621729] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.626745] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.631766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.637321] ? check_preemption_disabled+0x48/0x200 [ 415.642344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.647899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.652754] apic_timer_interrupt+0xf/0x20 [ 415.656985] [ 415.659225] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.664161] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 415.683071] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 415.690791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.698073] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 415.705343] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 415.712615] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.719885] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 415.727208] skb_clone+0x1bb/0x500 [ 415.730757] ? finish_task_switch+0x2f5/0x900 [ 415.735257] ? skb_split+0x11e0/0x11e0 [ 415.739151] ? preempt_notifier_register+0x200/0x200 [ 415.744257] ? __switch_to_asm+0x34/0x70 [ 415.748321] ? __switch_to_asm+0x34/0x70 [ 415.752390] ? __switch_to_asm+0x40/0x70 [ 415.756454] ? __switch_to_asm+0x34/0x70 [ 415.760522] ? __switch_to_asm+0x40/0x70 [ 415.764588] ? __switch_to_asm+0x34/0x70 [ 415.768648] ? __switch_to_asm+0x40/0x70 [ 415.772709] ? __switch_to_asm+0x34/0x70 [ 415.776777] ? __switch_to_asm+0x34/0x70 [ 415.780845] ? __switch_to_asm+0x40/0x70 [ 415.784910] ? __switch_to_asm+0x34/0x70 [ 415.788989] bpf_clone_redirect+0xb9/0x490 [ 415.793231] ? __schedule+0x874/0x1ed0 [ 415.797130] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 415.802152] ? __sched_text_start+0x8/0x8 [ 415.806309] ? retint_kernel+0x2d/0x2d [ 415.810209] ? find_held_lock+0x36/0x1c0 [ 415.814278] ? lock_acquire+0x1ed/0x520 [ 415.818254] ? bpf_test_run+0x3cb/0x780 [ 415.822232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.827773] ? check_preemption_disabled+0x48/0x200 [ 415.832820] ? kasan_check_read+0x11/0x20 [ 415.836980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.842267] ? rcu_bh_qs+0xc0/0xc0 [ 415.845823] ? preempt_schedule+0x4d/0x60 [ 415.849984] ? ___preempt_schedule+0x16/0x18 [ 415.854408] ? bpf_test_run+0x25d/0x780 [ 415.858403] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.862824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.868372] ? bpf_test_init.isra.9+0x70/0x100 [ 415.872965] ? bpf_prog_test_run_skb+0x634/0xb40 [ 415.877735] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.882580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.888120] ? fput+0x130/0x1a0 [ 415.891406] ? __bpf_prog_get+0x9b/0x290 [ 415.895474] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.900314] ? bpf_prog_test_run+0x130/0x1a0 [ 415.904732] ? __x64_sys_bpf+0x3d8/0x510 [ 415.908807] ? bpf_prog_get+0x20/0x20 [ 415.912637] ? do_syscall_64+0x1b9/0x820 [ 415.916700] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.922067] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.927010] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.932034] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.937065] ? recalc_sigpending_tsk+0x180/0x180 [ 415.941837] ? kasan_check_write+0x14/0x20 [ 415.946088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.951099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.956493] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 415.956580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.963772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.963781] Call Trace: [ 415.970422] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.979617] [ 415.982187] syz-executor2 cpuset= [ 415.992672] dump_stack+0x1c4/0x2b4 [ 415.994794] syz2 [ 415.998251] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.001856] mems_allowed=0 [ 416.003850] warn_alloc.cold.119+0xb7/0x1bd [ 416.016253] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.021102] ? lock_downgrade+0x900/0x900 [ 416.025259] ? trace_hardirqs_off+0xb8/0x310 [ 416.029678] ? trace_hardirqs_off+0xb8/0x310 [ 416.034096] __alloc_pages_slowpath+0x2667/0x2d80 [ 416.038976] ? warn_alloc+0x120/0x120 [ 416.042783] ? warn_alloc+0x120/0x120 [ 416.046594] ? print_usage_bug+0xc0/0xc0 [ 416.050659] ? warn_alloc+0x120/0x120 [ 416.054463] ? print_usage_bug+0xc0/0xc0 [ 416.058536] ? __lock_acquire+0x7ec/0x4ec0 [ 416.062773] ? __lock_acquire+0x7ec/0x4ec0 [ 416.067023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.072569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.078108] ? should_fail+0x22d/0xd01 [ 416.082120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.087230] ? __lock_acquire+0x7ec/0x4ec0 [ 416.091474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.096579] ? __lock_acquire+0x7ec/0x4ec0 [ 416.100824] ? should_fail+0x22d/0xd01 [ 416.104723] ? mark_held_locks+0x130/0x130 [ 416.108964] ? mark_held_locks+0x130/0x130 [ 416.113201] ? graph_lock+0x170/0x170 [ 416.117002] ? print_usage_bug+0xc0/0xc0 [ 416.121065] ? graph_lock+0x170/0x170 [ 416.124864] ? print_usage_bug+0xc0/0xc0 [ 416.128934] ? wq_watchdog_touch+0x9c/0xfe [ 416.133178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.138724] ? check_preemption_disabled+0x48/0x200 [ 416.143744] ? check_preemption_disabled+0x48/0x200 [ 416.148774] ? __lock_is_held+0xb5/0x140 [ 416.152856] __alloc_pages_nodemask+0xa80/0xde0 [ 416.157537] ? graph_lock+0x170/0x170 [ 416.161348] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.166370] ? graph_lock+0x170/0x170 [ 416.170190] ? find_held_lock+0x36/0x1c0 [ 416.174269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.178941] ? lock_downgrade+0x900/0x900 [ 416.183098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.188647] cache_grow_begin+0x91/0x8c0 [ 416.192712] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.197134] fallback_alloc+0x203/0x2e0 [ 416.201121] ____cache_alloc_node+0x1c7/0x1e0 [ 416.205622] kmem_cache_alloc_node+0xe3/0x730 [ 416.210119] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.214371] __alloc_skb+0x119/0x770 [ 416.218091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.223374] ? skb_scrub_packet+0x490/0x490 [ 416.227699] ? lock_downgrade+0x900/0x900 [ 416.231860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.237406] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.242866] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.248328] ? addrconf_rs_timer+0x690/0x690 [ 416.252753] ndisc_alloc_skb+0x144/0x340 [ 416.256839] ndisc_send_rs+0x331/0x6e0 [ 416.260746] addrconf_rs_timer+0x314/0x690 [ 416.264993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.269244] call_timer_fn+0x272/0x920 [ 416.273134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.277373] ? process_timeout+0x40/0x40 [ 416.281435] ? find_held_lock+0x36/0x1c0 [ 416.285505] ? mark_held_locks+0xc7/0x130 [ 416.289658] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.294158] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.298652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.302893] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.307479] ? trace_hardirqs_on+0xbd/0x310 [ 416.311813] ? kasan_check_read+0x11/0x20 [ 416.315962] ? __run_timers+0x7da/0xc70 [ 416.319939] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.325398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.329643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.333886] __run_timers+0x7e5/0xc70 [ 416.337705] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.343073] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.348098] ? graph_lock+0x170/0x170 [ 416.351905] ? print_usage_bug+0xc0/0xc0 [ 416.355970] ? lock_release+0x970/0x970 [ 416.359951] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.365156] ? find_held_lock+0x36/0x1c0 [ 416.369229] ? graph_lock+0x170/0x170 [ 416.373040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.378581] ? check_preemption_disabled+0x48/0x200 [ 416.383614] ? __lock_is_held+0xb5/0x140 [ 416.387679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.393219] ? check_preemption_disabled+0x48/0x200 [ 416.398246] run_timer_softirq+0x52/0xb0 [ 416.402309] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.407326] __do_softirq+0x30b/0xad8 [ 416.411140] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.416249] ? pvclock_read_flags+0x160/0x160 [ 416.420748] ? lapic_next_event+0x5a/0x90 [ 416.424907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.430449] ? check_preemption_disabled+0x48/0x200 [ 416.435469] ? check_preemption_disabled+0x48/0x200 [ 416.440495] ? kvm_clock_read+0x18/0x30 [ 416.444469] ? kvm_sched_clock_read+0x9/0x20 [ 416.448893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.454436] ? check_preemption_disabled+0x48/0x200 [ 416.459470] irq_exit+0x17f/0x1c0 [ 416.462933] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.467778] ? smp_reschedule_interrupt+0x109/0x650 [ 416.472814] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.478707] ? interrupt_entry+0xb5/0xf0 [ 416.482772] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.487796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.492830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.497676] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.502698] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.507720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.513262] ? check_preemption_disabled+0x48/0x200 [ 416.518279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.523834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.528691] apic_timer_interrupt+0xf/0x20 [ 416.532926] [ 416.535168] RIP: 0010:console_unlock+0xfdf/0x1160 [ 416.540016] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 416.558921] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.566635] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 416.573904] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 416.581175] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 416.588443] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 416.595711] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 416.603005] ? netconsole_netdev_event+0x280/0x280 [ 416.607953] ? console_unlock+0xfd6/0x1160 [ 416.612214] ? devkmsg_read+0xbb0/0xbb0 [ 416.616191] ? vprintk_emit+0x7f7/0x930 [ 416.620173] ? lock_release+0x970/0x970 [ 416.624154] ? trace_hardirqs_on+0x10/0x310 [ 416.628480] ? vprintk_default+0x28/0x30 [ 416.632551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.638018] ? kasan_check_write+0x14/0x20 [ 416.642268] ? do_raw_spin_lock+0xc1/0x200 [ 416.646524] vprintk_emit+0x33d/0x930 [ 416.650335] ? wake_up_klogd+0x180/0x180 [ 416.654415] ? find_held_lock+0x36/0x1c0 [ 416.658487] ? mark_held_locks+0xc7/0x130 [ 416.662648] vprintk_default+0x28/0x30 [ 416.666537] vprintk_func+0x7e/0x181 [ 416.670253] printk+0xa7/0xcf [ 416.673359] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 416.678124] ? kasan_check_write+0x14/0x20 [ 416.682363] ? do_raw_spin_lock+0xc1/0x200 [ 416.686614] show_free_areas.cold.120+0x1b8e/0x215d [ 416.691656] ? si_meminfo_node+0x260/0x260 [ 416.695899] ? __lock_acquire+0x7ec/0x4ec0 [ 416.700145] ? __lock_acquire+0x7ec/0x4ec0 [ 416.704387] ? __lock_acquire+0x7ec/0x4ec0 [ 416.708625] ? kasan_check_write+0x14/0x20 [ 416.712865] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 416.718679] ? mark_held_locks+0x130/0x130 [ 416.722915] ? mark_held_locks+0x130/0x130 [ 416.727164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.732705] ? graph_lock+0x170/0x170 [ 416.736514] ? put_dec+0x3b/0xf0 [ 416.739895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.745434] ? number+0x972/0xca0 [ 416.748900] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 416.753924] ? find_held_lock+0x36/0x1c0 [ 416.758003] ? serial8250_console_write+0x8b3/0xb10 [ 416.763029] ? lock_downgrade+0x900/0x900 [ 416.767201] ? graph_lock+0x170/0x170 [ 416.771007] ? graph_lock+0x170/0x170 [ 416.774822] ? print_usage_bug+0xc0/0xc0 [ 416.778890] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.783305] ? trace_hardirqs_on+0x310/0x310 [ 416.787719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.793271] ? wq_watchdog_touch+0x9c/0xfe [ 416.797514] ? io_serial_in+0x11/0x90 [ 416.801331] ? find_held_lock+0x36/0x1c0 [ 416.805406] ? mark_held_locks+0xc7/0x130 [ 416.809560] ? console_unlock+0xfaa/0x1160 [ 416.813825] ? console_unlock+0xfaa/0x1160 [ 416.818064] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.822652] ? vprintk_emit+0x33d/0x930 [ 416.826635] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.832097] ? kasan_check_write+0x14/0x20 [ 416.836345] ? do_raw_spin_lock+0xc1/0x200 [ 416.840594] ? netconsole_netdev_event+0x280/0x280 [ 416.845533] ? console_unlock+0x9ba/0x1160 [ 416.849786] ? devkmsg_read+0xbb0/0xbb0 [ 416.853780] ? lock_release+0x970/0x970 [ 416.857765] ? preempt_count_add+0x7d/0x160 [ 416.862094] ? wake_up_klogd+0x11a/0x180 [ 416.866157] ? console_device+0xc0/0xc0 [ 416.870143] ? vprintk_emit+0x268/0x930 [ 416.874124] ? wake_up_klogd+0x180/0x180 [ 416.878186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.882953] ? trace_hardirqs_off+0x310/0x310 [ 416.887453] ? retint_kernel+0x1b/0x2d [ 416.891348] ? trace_hardirqs_on+0x310/0x310 [ 416.895770] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.900544] ? retint_kernel+0x2d/0x2d [ 416.904449] ? arch_local_irq_restore+0x45/0x52 [ 416.909122] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 416.914138] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 416.918906] ? show_mem+0x1e/0x17b [ 416.922456] show_mem+0x34/0x17b [ 416.925837] dump_header+0x2f1/0xf72 [ 416.929570] ? pagefault_out_of_memory+0x197/0x197 [ 416.934512] ? __lock_acquire+0x7ec/0x4ec0 [ 416.938758] ? print_usage_bug+0xc0/0xc0 [ 416.942836] ? graph_lock+0x170/0x170 [ 416.946652] ? print_usage_bug+0xc0/0xc0 [ 416.950716] ? print_usage_bug+0xc0/0xc0 [ 416.954789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.960342] ? find_held_lock+0x36/0x1c0 [ 416.964412] ? mark_held_locks+0xc7/0x130 [ 416.968575] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.973688] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.978809] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.983397] ? trace_hardirqs_on+0xbd/0x310 [ 416.987719] ? kasan_check_read+0x11/0x20 [ 416.991876] ? ___ratelimit+0x36f/0x655 [ 416.995857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.001314] ? trace_hardirqs_on+0x310/0x310 [ 417.005723] ? lock_downgrade+0x900/0x900 [ 417.009886] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.014995] ? ___ratelimit+0xaa/0x655 [ 417.018893] ? idr_get_free+0xec0/0xec0 [ 417.022879] ? kasan_check_write+0x14/0x20 [ 417.027120] ? do_raw_spin_lock+0xc1/0x200 [ 417.031362] oom_kill_process.cold.27+0x10/0x903 [ 417.036129] ? graph_lock+0x170/0x170 [ 417.039940] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.045748] ? kasan_check_read+0x11/0x20 [ 417.049912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.055195] ? oom_evaluate_task+0x540/0x540 [ 417.059609] ? find_held_lock+0x36/0x1c0 [ 417.063680] ? out_of_memory+0x974/0x1430 [ 417.067842] ? lock_downgrade+0x900/0x900 [ 417.071999] ? check_preemption_disabled+0x48/0x200 [ 417.077023] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.082827] ? kasan_check_read+0x11/0x20 [ 417.086983] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.092265] ? rcu_bh_qs+0xc0/0xc0 [ 417.095820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.101363] ? oom_evaluate_task+0x302/0x540 [ 417.105783] out_of_memory+0xa84/0x1430 [ 417.109781] ? oom_killer_disable+0x3a0/0x3a0 [ 417.114288] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 417.119227] ? __mutex_add_waiter+0x2a0/0x2a0 [ 417.123742] __alloc_pages_slowpath+0x2318/0x2d80 [ 417.128622] ? warn_alloc+0x120/0x120 [ 417.132430] ? trace_hardirqs_on+0x310/0x310 [ 417.136847] ? print_usage_bug+0xc0/0xc0 [ 417.140923] ? warn_alloc+0x120/0x120 [ 417.144731] ? print_usage_bug+0xc0/0xc0 [ 417.148809] ? print_usage_bug+0xc0/0xc0 [ 417.152876] ? free_one_page+0x1700/0x1700 [ 417.157116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.162658] ? should_fail+0x22d/0xd01 [ 417.166553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.171661] ? __lock_acquire+0x7ec/0x4ec0 [ 417.175929] ? __lock_is_held+0xb5/0x140 [ 417.180005] ? graph_lock+0x170/0x170 [ 417.183827] ? ___might_sleep+0x1ed/0x300 [ 417.187979] ? lock_release+0x970/0x970 [ 417.191966] ? arch_local_save_flags+0x40/0x40 [ 417.196564] ? __might_sleep+0x95/0x190 [ 417.200546] __alloc_pages_nodemask+0xa80/0xde0 [ 417.205224] ? graph_lock+0x170/0x170 [ 417.209032] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.214046] ? graph_lock+0x170/0x170 [ 417.217859] ? mark_held_locks+0xc7/0x130 [ 417.222014] ? find_held_lock+0x36/0x1c0 [ 417.226080] ? cache_grow_begin+0x5a4/0x8c0 [ 417.230405] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.234994] ? trace_hardirqs_on+0xbd/0x310 [ 417.239323] ? fallback_alloc+0x203/0x2e0 [ 417.243476] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.248967] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.254510] cache_grow_begin+0x91/0x8c0 [ 417.258580] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.262997] fallback_alloc+0x203/0x2e0 [ 417.266981] ____cache_alloc_node+0x1c7/0x1e0 [ 417.271490] kmem_cache_alloc_node_trace+0xe7/0x740 [ 417.276525] __kmalloc_node_track_caller+0x33/0x70 [ 417.281462] __kmalloc_reserve.isra.39+0x41/0xe0 [ 417.286222] __alloc_skb+0x155/0x770 [ 417.289946] ? skb_scrub_packet+0x490/0x490 [ 417.294278] ? if_nlmsg_size+0x5d1/0xbb0 [ 417.298358] ? nla_put_ifalias+0x170/0x170 [ 417.302608] ? sk_psock_stop_strp+0x120/0x120 [ 417.307115] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.312135] ? netif_tx_stop_all_queues+0xd9/0x110 [ 417.317076] rtmsg_ifinfo_build_skb+0x74/0x190 [ 417.321670] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 417.326526] rtmsg_ifinfo+0x8c/0xa0 [ 417.330172] dev_close_many+0x3be/0x860 [ 417.334166] ? netdev_master_upper_dev_link+0x50/0x50 [ 417.339419] ? find_held_lock+0x36/0x1c0 [ 417.343513] ? __queue_work+0x6be/0x1440 [ 417.347587] ? lock_downgrade+0x900/0x900 [ 417.351755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.357302] ? rtnl_is_locked+0xb5/0xf0 [ 417.361291] ? rtnl_trylock+0x20/0x20 [ 417.365114] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.369532] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 417.374132] rollback_registered_many+0x543/0x1210 [ 417.379082] ? generic_xdp_install+0x4c0/0x4c0 [ 417.383699] ? max_active_store+0x170/0x170 [ 417.388035] ? graph_lock+0x170/0x170 [ 417.391915] ? print_usage_bug+0xc0/0xc0 [ 417.396008] ? print_usage_bug+0xc0/0xc0 [ 417.400082] ? __debug_object_init+0x57d/0x1290 [ 417.404765] ? graph_lock+0x170/0x170 [ 417.408670] ? print_usage_bug+0xc0/0xc0 [ 417.412747] ? find_held_lock+0x36/0x1c0 [ 417.416849] ? mark_held_locks+0xc7/0x130 [ 417.421023] rollback_registered+0x1e9/0x420 [ 417.425448] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 417.430047] ? rollback_registered_many+0x1210/0x1210 [ 417.435247] ? trace_hardirqs_on+0xbd/0x310 [ 417.439586] ? linkwatch_schedule_work+0x150/0x170 [ 417.444533] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.449999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.455550] ? rtnl_is_locked+0xb5/0xf0 [ 417.459538] ? rtnl_trylock+0x20/0x20 [ 417.463358] ? queue_delayed_work_on+0x130/0x1f0 [ 417.468139] unregister_netdevice_queue+0x321/0x5e0 [ 417.473172] ? rollback_registered+0x420/0x420 [ 417.477773] ? linkwatch_schedule_work+0x170/0x170 [ 417.482737] ? tun_show_owner+0x170/0x170 [ 417.486909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.492464] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 417.497856] ? __tun_detach+0x6ba/0x15c0 [ 417.501949] __tun_detach+0x11b8/0x15c0 [ 417.505942] ? __call_rcu.constprop.69+0x429/0xbc0 [ 417.510900] ? tun_attach+0x1900/0x1900 [ 417.514894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.520537] ? check_preemption_disabled+0x48/0x200 [ 417.525575] ? graph_lock+0x170/0x170 [ 417.529390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.534943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.540494] ? locks_remove_file+0x3c6/0x5c0 [ 417.544916] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 417.550484] ? ima_file_free+0x132/0x650 [ 417.554574] ? __lock_is_held+0xb5/0x140 [ 417.558658] ? __tun_detach+0x15c0/0x15c0 [ 417.562844] ? __tun_detach+0x15c0/0x15c0 [ 417.567009] tun_chr_close+0xe3/0x180 [ 417.570845] __fput+0x385/0xa30 [ 417.574149] ? get_max_files+0x20/0x20 [ 417.578053] ? ___might_sleep+0x1ed/0x300 [ 417.582219] ? arch_local_save_flags+0x40/0x40 [ 417.586844] ____fput+0x15/0x20 [ 417.590143] task_work_run+0x1e8/0x2a0 [ 417.594050] ? task_work_cancel+0x240/0x240 [ 417.598389] ? switch_task_namespaces+0xb8/0xd0 [ 417.603079] do_exit+0x1ad7/0x2610 [ 417.606643] ? mm_update_next_owner+0x990/0x990 [ 417.611376] ? print_usage_bug+0xc0/0xc0 [ 417.615452] ? perf_trace_lock+0x14d/0x7a0 [ 417.619707] ? __lock_acquire+0x7ec/0x4ec0 [ 417.623959] ? find_held_lock+0x36/0x1c0 [ 417.628045] ? __lock_acquire+0x7ec/0x4ec0 [ 417.632297] ? mark_held_locks+0x130/0x130 [ 417.636550] ? lock_acquire+0x1ed/0x520 [ 417.640549] ? mark_held_locks+0x130/0x130 [ 417.644799] ? arch_local_save_flags+0x40/0x40 [ 417.649423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.654998] ? __mutex_lock+0x85e/0x1700 [ 417.659075] ? __switch_to_asm+0x40/0x70 [ 417.663151] ? __switch_to_asm+0x34/0x70 [ 417.667227] ? pipe_wait+0x266/0x2c0 [ 417.670961] ? mutex_trylock+0x2b0/0x2b0 [ 417.675047] ? graph_lock+0x170/0x170 [ 417.678877] ? find_held_lock+0x36/0x1c0 [ 417.682961] ? memset+0x31/0x40 [ 417.686263] ? find_held_lock+0x36/0x1c0 [ 417.690349] ? get_signal+0x95b/0x1980 [ 417.694252] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.698762] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.703278] do_group_exit+0x177/0x440 [ 417.707182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.712645] ? __ia32_sys_exit+0x50/0x50 [ 417.716731] get_signal+0x8b0/0x1980 [ 417.720467] ? ptrace_notify+0x130/0x130 [ 417.724545] ? finish_wait+0x430/0x430 [ 417.728449] ? graph_lock+0x170/0x170 [ 417.732273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.737854] ? pipe_read+0x702/0x940 [ 417.741599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.747161] do_signal+0x9c/0x21e0 [ 417.750716] ? __vfs_read+0x11f/0x9b0 [ 417.754539] ? vfs_copy_file_range+0xb90/0xb90 [ 417.759136] ? setup_sigcontext+0x7d0/0x7d0 [ 417.763495] ? exit_to_usermode_loop+0x8c/0x380 [ 417.768197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.773770] exit_to_usermode_loop+0x2e5/0x380 [ 417.778390] ? syscall_slow_exit_work+0x520/0x520 [ 417.783247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.788827] do_syscall_64+0x6be/0x820 [ 417.792735] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 417.798114] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.803061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.807928] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.812976] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.818012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.822968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.828285] RIP: 0033:0x410fa0 [ 417.831497] Code: Bad RIP value. [ 417.834892] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 417.842612] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 417.849898] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 417.857280] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 417.864692] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 417.871974] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 417.879291] warn_alloc_show_mem: 1 callbacks suppressed [ 417.879304] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 417.879306] Mem-Info: [ 417.879339] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 417.879339] active_file:8 inactive_file:19 isolated_file:0 [ 417.879339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.879339] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 417.879339] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 417.879339] free:13766 free_pcp:526 free_cma:0 [ 417.884693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.892245] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.894657] Call Trace: [ 417.927634] Node 0 [ 417.937003] [ 417.965317] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 417.967954] dump_stack+0x1c4/0x2b4 [ 417.970171] lowmem_reserve[]: 0 [ 417.972339] ? dump_stack_print_info.cold.2+0x52/0x52 [ 417.997845] 2819 6323 [ 418.001511] warn_alloc.cold.119+0xb7/0x1bd [ 418.004757] 6323 [ 418.009954] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.012437] Node 0 [ 418.016766] ? lock_downgrade+0x900/0x900 [ 418.018856] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 418.023681] ? trace_hardirqs_off+0xb8/0x310 [ 418.025897] lowmem_reserve[]: 0 [ 418.030063] ? trace_hardirqs_off+0xb8/0x310 [ 418.057202] 0 3503 [ 418.061752] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.065009] 3503 [ 418.069455] ? warn_alloc+0x120/0x120 [ 418.076501] ? trace_hardirqs_on+0x310/0x310 [ 418.078552] Node 0 [ 418.082879] ? warn_alloc+0x120/0x120 [ 418.087306] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 418.089527] ? print_usage_bug+0xc0/0xc0 [ 418.093303] lowmem_reserve[]: 0 [ 418.121877] ? warn_alloc+0x120/0x120 [ 418.125933] 0 [ 418.129226] ? ktime_get+0x2e1/0x440 [ 418.133010] 0 [ 418.134841] ? print_usage_bug+0xc0/0xc0 [ 418.138531] 0 [ 418.140351] ? __lock_acquire+0x7ec/0x4ec0 [ 418.144398] Node 0 [ 418.146207] ? __lock_acquire+0x7ec/0x4ec0 [ 418.150419] DMA: 1*4kB [ 418.152674] ? kasan_check_read+0x11/0x20 [ 418.156895] (U) [ 418.159487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.163615] 0*8kB [ 418.165599] ? should_fail+0x22d/0xd01 [ 418.171121] 0*16kB [ 418.173281] ? rcu_bh_qs+0xc0/0xc0 [ 418.177280] 1*32kB [ 418.179534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.183060] (U) [ 418.185307] ? __lock_acquire+0x7ec/0x4ec0 [ 418.190398] 2*64kB [ 418.192386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.196594] (U) 1*128kB [ 418.198866] ? __lock_acquire+0x7ec/0x4ec0 [ 418.203956] (U) [ 418.206635] ? should_fail+0x22d/0xd01 [ 418.210850] 1*256kB (U) [ 418.212866] ? rcu_idle_enter+0x4b0/0x4b0 [ 418.216738] 0*512kB [ 418.219417] ? mark_held_locks+0x130/0x130 [ 418.223548] 1*1024kB [ 418.225883] ? mark_held_locks+0x130/0x130 [ 418.230103] (U) [ 418.232525] ? mark_held_locks+0xc7/0x130 [ 418.236740] 1*2048kB [ 418.238722] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 418.242856] (M) [ 418.245272] ? graph_lock+0x170/0x170 [ 418.250274] 3*4096kB (M) [ 418.252263] ? print_usage_bug+0xc0/0xc0 [ 418.256051] = 15908kB [ 418.258844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.262895] Node 0 [ 418.265406] ? check_preemption_disabled+0x48/0x200 [ 418.270925] DMA32: [ 418.273174] ? check_preemption_disabled+0x48/0x200 [ 418.278171] 3*4kB [ 418.280422] ? __lock_is_held+0xb5/0x140 [ 418.285419] (M) [ 418.287651] __alloc_pages_nodemask+0xa80/0xde0 [ 418.291699] 2*8kB [ 418.293678] ? graph_lock+0x170/0x170 [ 418.298336] (UM) [ 418.300496] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.304276] 2*16kB (M) [ 418.306352] ? graph_lock+0x170/0x170 [ 418.311352] 3*32kB (UM) [ 418.313963] ? find_held_lock+0x36/0x1c0 [ 418.317736] 5*64kB (UM) [ 418.320424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.324458] 3*128kB (M) [ 418.327144] ? lock_downgrade+0x900/0x900 [ 418.331796] 3*256kB [ 418.334607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.338739] (M) [ 418.341070] cache_grow_begin+0x91/0x8c0 [ 418.346591] 4*512kB [ 418.348575] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.352618] (UM) [ 418.354954] fallback_alloc+0x203/0x2e0 [ 418.359341] 3*1024kB [ 418.361416] ____cache_alloc_node+0x1c7/0x1e0 [ 418.365369] (UM) [ 418.367794] kmem_cache_alloc_node+0xe3/0x730 [ 418.372286] 3*2048kB (UM) [ 418.374364] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.378854] 3*4096kB (M) [ 418.381724] __alloc_skb+0x119/0x770 [ 418.385943] = 25180kB [ 418.388711] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.392408] Node 0 [ 418.394849] ? skb_scrub_packet+0x490/0x490 [ 418.400111] Normal: [ 418.402355] ? lock_downgrade+0x900/0x900 [ 418.406663] 960*4kB [ 418.408998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.413124] (MEH) [ 418.415458] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.420976] 471*8kB (UME) [ 418.423144] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.428569] 178*16kB (ME) [ 418.431428] ? addrconf_rs_timer+0x690/0x690 [ 418.436860] 44*32kB (UME) [ 418.439728] ndisc_alloc_skb+0x144/0x340 [ 418.444109] 1*64kB (U) [ 418.446977] ndisc_send_rs+0x331/0x6e0 [ 418.451027] 0*128kB [ 418.453623] addrconf_rs_timer+0x314/0x690 [ 418.457495] 0*256kB [ 418.459854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.464065] 2*512kB (U) [ 418.466430] call_timer_fn+0x272/0x920 [ 418.470634] 1*1024kB (U) [ 418.473331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.477198] 0*2048kB 0*4096kB [ 418.479982] ? process_timeout+0x40/0x40 [ 418.484197] = 13976kB [ 418.487402] ? find_held_lock+0x36/0x1c0 [ 418.491458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.493877] ? __run_timers+0x7da/0xc70 [ 418.497919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.497929] 2889 total pagecache pages [ 418.507212] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.511178] 0 pages in swap cache [ 418.519758] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.523634] Swap cache stats: add 0, delete 0, find 0/0 [ 418.528138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.531586] Free swap = 0kB [ 418.536087] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.541438] Total swap = 0kB [ 418.545677] ? trace_hardirqs_on+0xbd/0x310 [ 418.548681] 1965979 pages RAM [ 418.553270] ? kasan_check_read+0x11/0x20 [ 418.556272] 0 pages HighMem/MovableOnly [ 418.560597] ? __run_timers+0x7da/0xc70 [ 418.563684] 342306 pages reserved [ 418.563692] 0 pages cma reserved [ 418.567862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.571931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.575857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.579406] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.582662] __run_timers+0x7e5/0xc70 [ 418.588099] syz-executor1 cpuset= [ 418.594607] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.598835] syz1 [ 418.609329] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.613114] mems_allowed=0 [ 418.616567] ? rcu_bh_qs+0xc0/0xc0 [ 418.635732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.641286] ? check_preemption_disabled+0x48/0x200 [ 418.646331] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.651118] ? retint_kernel+0x2d/0x2d [ 418.655024] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.659970] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.664739] ? trace_hardirqs_off+0x310/0x310 [ 418.669248] ? check_preemption_disabled+0x48/0x200 [ 418.674367] ? graph_lock+0x170/0x170 [ 418.678194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.683851] ? check_preemption_disabled+0x48/0x200 [ 418.688891] ? __lock_is_held+0xb5/0x140 [ 418.692968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.698517] ? check_preemption_disabled+0x48/0x200 [ 418.703554] run_timer_softirq+0x52/0xb0 [ 418.707630] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.712659] __do_softirq+0x30b/0xad8 [ 418.716481] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.721605] ? pvclock_read_flags+0x160/0x160 [ 418.726113] ? lapic_next_event+0x5a/0x90 [ 418.730274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.735842] ? check_preemption_disabled+0x48/0x200 [ 418.740876] ? check_preemption_disabled+0x48/0x200 [ 418.745917] ? kvm_clock_read+0x18/0x30 [ 418.749959] ? kvm_sched_clock_read+0x9/0x20 [ 418.754387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.759944] ? check_preemption_disabled+0x48/0x200 [ 418.764989] irq_exit+0x17f/0x1c0 [ 418.768458] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.773312] ? smp_reschedule_interrupt+0x109/0x650 [ 418.778342] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.784244] ? interrupt_entry+0xb5/0xf0 [ 418.788318] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.793347] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.798385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.803244] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.808275] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.813309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.818888] ? check_preemption_disabled+0x48/0x200 [ 418.823916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.829477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.834343] apic_timer_interrupt+0xf/0x20 [ 418.838598] [ 418.840878] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.845845] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 418.864762] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 418.872510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.879789] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 418.887089] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 418.894366] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.901651] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 418.908985] skb_clone+0x1bb/0x500 [ 418.912544] ? finish_task_switch+0x2f5/0x900 [ 418.917053] ? skb_split+0x11e0/0x11e0 [ 418.920956] ? preempt_notifier_register+0x200/0x200 [ 418.926073] ? __switch_to_asm+0x34/0x70 [ 418.930152] ? __switch_to_asm+0x34/0x70 [ 418.934224] ? __switch_to_asm+0x40/0x70 [ 418.938295] ? __switch_to_asm+0x34/0x70 [ 418.942377] ? __switch_to_asm+0x40/0x70 [ 418.946452] ? __switch_to_asm+0x34/0x70 [ 418.950527] ? __switch_to_asm+0x40/0x70 [ 418.954601] ? __switch_to_asm+0x34/0x70 [ 418.958681] ? __switch_to_asm+0x34/0x70 [ 418.962753] ? __switch_to_asm+0x40/0x70 [ 418.966843] ? __switch_to_asm+0x34/0x70 [ 418.970932] bpf_clone_redirect+0xb9/0x490 [ 418.975185] ? __schedule+0x874/0x1ed0 [ 418.979094] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 418.984125] ? __sched_text_start+0x8/0x8 [ 418.988288] ? retint_kernel+0x2d/0x2d [ 418.992196] ? find_held_lock+0x36/0x1c0 [ 418.996276] ? lock_acquire+0x1ed/0x520 [ 419.000262] ? bpf_test_run+0x3cb/0x780 [ 419.004255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.009919] ? check_preemption_disabled+0x48/0x200 [ 419.014959] ? kasan_check_read+0x11/0x20 [ 419.019135] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.024426] ? rcu_bh_qs+0xc0/0xc0 [ 419.027982] ? preempt_schedule+0x4d/0x60 [ 419.032148] ? ___preempt_schedule+0x16/0x18 [ 419.036580] ? bpf_test_run+0x25d/0x780 [ 419.040578] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.045006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.050555] ? bpf_test_init.isra.9+0x70/0x100 [ 419.055156] ? bpf_prog_test_run_skb+0x634/0xb40 [ 419.059933] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.064789] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.070366] ? fput+0x130/0x1a0 [ 419.073667] ? __bpf_prog_get+0x9b/0x290 [ 419.077744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.082603] ? bpf_prog_test_run+0x130/0x1a0 [ 419.087027] ? __x64_sys_bpf+0x3d8/0x510 [ 419.091105] ? bpf_prog_get+0x20/0x20 [ 419.094944] ? do_syscall_64+0x1b9/0x820 [ 419.099022] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.104409] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.109354] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.114391] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.119423] ? recalc_sigpending_tsk+0x180/0x180 [ 419.124192] ? kasan_check_write+0x14/0x20 [ 419.128446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.133316] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.138715] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 419.138851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.146183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.146192] Call Trace: [ 419.152907] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.162262] [ 419.164856] syz-executor2 cpuset= [ 419.175351] dump_stack+0x1c4/0x2b4 [ 419.177487] syz2 [ 419.180950] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.184563] mems_allowed=0 [ 419.186552] warn_alloc.cold.119+0xb7/0x1bd [ 419.198972] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.203848] ? lock_downgrade+0x900/0x900 [ 419.208028] ? trace_hardirqs_off+0xb8/0x310 [ 419.212459] ? trace_hardirqs_off+0xb8/0x310 [ 419.216898] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.221783] ? warn_alloc+0x120/0x120 [ 419.225621] ? trace_hardirqs_on+0x310/0x310 [ 419.230045] ? warn_alloc+0x120/0x120 [ 419.233865] ? print_usage_bug+0xc0/0xc0 [ 419.237950] ? warn_alloc+0x120/0x120 [ 419.241762] ? ktime_get+0x2e1/0x440 [ 419.245492] ? print_usage_bug+0xc0/0xc0 [ 419.249568] ? __lock_acquire+0x7ec/0x4ec0 [ 419.253835] ? __lock_acquire+0x7ec/0x4ec0 [ 419.258089] ? kasan_check_read+0x11/0x20 [ 419.262250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.267823] ? should_fail+0x22d/0xd01 [ 419.271728] ? rcu_bh_qs+0xc0/0xc0 [ 419.275285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.280400] ? __lock_acquire+0x7ec/0x4ec0 [ 419.284656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.289766] ? __lock_acquire+0x7ec/0x4ec0 [ 419.294009] ? should_fail+0x22d/0xd01 [ 419.297911] ? rcu_idle_enter+0x4b0/0x4b0 [ 419.302079] ? mark_held_locks+0x130/0x130 [ 419.306330] ? mark_held_locks+0x130/0x130 [ 419.310586] ? mark_held_locks+0xc7/0x130 [ 419.314744] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 419.319772] ? graph_lock+0x170/0x170 [ 419.323604] ? print_usage_bug+0xc0/0xc0 [ 419.327684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.333240] ? check_preemption_disabled+0x48/0x200 [ 419.338267] ? check_preemption_disabled+0x48/0x200 [ 419.343309] ? __lock_is_held+0xb5/0x140 [ 419.347393] __alloc_pages_nodemask+0xa80/0xde0 [ 419.352075] ? graph_lock+0x170/0x170 [ 419.355900] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.360925] ? graph_lock+0x170/0x170 [ 419.364753] ? find_held_lock+0x36/0x1c0 [ 419.368858] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.373550] ? lock_downgrade+0x900/0x900 [ 419.377722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.383286] cache_grow_begin+0x91/0x8c0 [ 419.387365] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.391795] fallback_alloc+0x203/0x2e0 [ 419.395839] ____cache_alloc_node+0x1c7/0x1e0 [ 419.400365] kmem_cache_alloc_node+0xe3/0x730 [ 419.404885] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.409141] __alloc_skb+0x119/0x770 [ 419.412881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.418175] ? skb_scrub_packet+0x490/0x490 [ 419.422509] ? lock_downgrade+0x900/0x900 [ 419.426677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.432227] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.437697] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.443157] ? addrconf_rs_timer+0x690/0x690 [ 419.447595] ndisc_alloc_skb+0x144/0x340 [ 419.451766] ndisc_send_rs+0x331/0x6e0 [ 419.455671] addrconf_rs_timer+0x314/0x690 [ 419.459929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.464192] call_timer_fn+0x272/0x920 [ 419.468091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.472340] ? process_timeout+0x40/0x40 [ 419.476411] ? find_held_lock+0x36/0x1c0 [ 419.480497] ? mark_held_locks+0xc7/0x130 [ 419.484666] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.489183] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.493691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.497938] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 419.502536] ? trace_hardirqs_on+0xbd/0x310 [ 419.506888] ? kasan_check_read+0x11/0x20 [ 419.511054] ? __run_timers+0x7da/0xc70 [ 419.515047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.520522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.524779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.529050] __run_timers+0x7e5/0xc70 [ 419.532890] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.538273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.543302] ? graph_lock+0x170/0x170 [ 419.547119] ? print_usage_bug+0xc0/0xc0 [ 419.551216] ? lock_release+0x970/0x970 [ 419.555204] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.560416] ? find_held_lock+0x36/0x1c0 [ 419.564499] ? graph_lock+0x170/0x170 [ 419.568321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.573883] ? check_preemption_disabled+0x48/0x200 [ 419.578927] ? __lock_is_held+0xb5/0x140 [ 419.583007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.588563] ? check_preemption_disabled+0x48/0x200 [ 419.593601] run_timer_softirq+0x52/0xb0 [ 419.597762] ? rcu_read_lock_sched_held+0x108/0x120 [ 419.602792] __do_softirq+0x30b/0xad8 [ 419.606638] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.611760] ? pvclock_read_flags+0x160/0x160 [ 419.616267] ? lapic_next_event+0x5a/0x90 [ 419.620431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.625984] ? check_preemption_disabled+0x48/0x200 [ 419.631013] ? check_preemption_disabled+0x48/0x200 [ 419.636050] ? kvm_clock_read+0x18/0x30 [ 419.640038] ? kvm_sched_clock_read+0x9/0x20 [ 419.644466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.650022] ? check_preemption_disabled+0x48/0x200 [ 419.655067] irq_exit+0x17f/0x1c0 [ 419.658538] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.663392] ? smp_reschedule_interrupt+0x109/0x650 [ 419.668421] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.674319] ? interrupt_entry+0xb5/0xf0 [ 419.678398] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.683425] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.688461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.693316] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.698341] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.703369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.708925] ? check_preemption_disabled+0x48/0x200 [ 419.713956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.719515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.724381] apic_timer_interrupt+0xf/0x20 [ 419.728621] [ 419.730880] RIP: 0010:console_unlock+0xfdf/0x1160 [ 419.735740] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 419.754650] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 419.762380] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 419.769659] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 419.776938] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 419.784345] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 419.791736] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 419.799030] ? netconsole_netdev_event+0x280/0x280 [ 419.803983] ? console_unlock+0xfd6/0x1160 [ 419.808256] ? devkmsg_read+0xbb0/0xbb0 [ 419.812407] ? vprintk_emit+0x7f7/0x930 [ 419.816398] ? lock_release+0x970/0x970 [ 419.820385] ? trace_hardirqs_on+0x10/0x310 [ 419.824724] ? vprintk_default+0x28/0x30 [ 419.828800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.834289] ? kasan_check_write+0x14/0x20 [ 419.838544] ? do_raw_spin_lock+0xc1/0x200 [ 419.842824] vprintk_emit+0x33d/0x930 [ 419.846647] ? wake_up_klogd+0x180/0x180 [ 419.850739] ? find_held_lock+0x36/0x1c0 [ 419.854912] ? mark_held_locks+0xc7/0x130 [ 419.859078] vprintk_default+0x28/0x30 [ 419.862980] vprintk_func+0x7e/0x181 [ 419.866706] printk+0xa7/0xcf [ 419.869847] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 419.874628] ? kasan_check_write+0x14/0x20 [ 419.878882] ? do_raw_spin_lock+0xc1/0x200 [ 419.883144] show_free_areas.cold.120+0x1b8e/0x215d [ 419.888194] ? si_meminfo_node+0x260/0x260 [ 419.892447] ? __lock_acquire+0x7ec/0x4ec0 [ 419.896698] ? __lock_acquire+0x7ec/0x4ec0 [ 419.900947] ? __lock_acquire+0x7ec/0x4ec0 [ 419.905197] ? kasan_check_write+0x14/0x20 [ 419.909450] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 419.915273] ? mark_held_locks+0x130/0x130 [ 419.919519] ? mark_held_locks+0x130/0x130 [ 419.923775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.929346] ? graph_lock+0x170/0x170 [ 419.933164] ? put_dec+0x3b/0xf0 [ 419.936545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.942096] ? number+0x972/0xca0 [ 419.945569] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 419.951066] ? find_held_lock+0x36/0x1c0 [ 419.955154] ? serial8250_console_write+0x8b3/0xb10 [ 419.960187] ? lock_downgrade+0x900/0x900 [ 419.964346] ? graph_lock+0x170/0x170 [ 419.968158] ? graph_lock+0x170/0x170 [ 419.971972] ? print_usage_bug+0xc0/0xc0 [ 419.976044] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.980472] ? trace_hardirqs_on+0x310/0x310 [ 419.984909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.990457] ? wq_watchdog_touch+0x9c/0xfe [ 419.994708] ? io_serial_in+0x11/0x90 [ 419.998526] ? find_held_lock+0x36/0x1c0 [ 420.002608] ? mark_held_locks+0xc7/0x130 [ 420.006772] ? console_unlock+0xfaa/0x1160 [ 420.011135] ? console_unlock+0xfaa/0x1160 [ 420.015562] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.020162] ? vprintk_emit+0x33d/0x930 [ 420.024152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.029621] ? kasan_check_write+0x14/0x20 [ 420.033961] ? do_raw_spin_lock+0xc1/0x200 [ 420.038848] ? netconsole_netdev_event+0x280/0x280 [ 420.043801] ? console_unlock+0x9ba/0x1160 [ 420.048084] ? devkmsg_read+0xbb0/0xbb0 [ 420.052075] ? lock_release+0x970/0x970 [ 420.056066] ? preempt_count_add+0x7d/0x160 [ 420.060931] ? wake_up_klogd+0x11a/0x180 [ 420.065009] ? console_device+0xc0/0xc0 [ 420.069006] ? vprintk_emit+0x268/0x930 [ 420.073004] ? wake_up_klogd+0x180/0x180 [ 420.077077] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.082001] ? trace_hardirqs_off+0x310/0x310 [ 420.086514] ? retint_kernel+0x1b/0x2d [ 420.090417] ? trace_hardirqs_on+0x310/0x310 [ 420.094866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.099654] ? retint_kernel+0x2d/0x2d [ 420.103566] ? arch_local_irq_restore+0x45/0x52 [ 420.108254] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 420.113282] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 420.118060] ? show_mem+0x1e/0x17b [ 420.121616] show_mem+0x34/0x17b [ 420.125002] dump_header+0x2f1/0xf72 [ 420.128740] ? pagefault_out_of_memory+0x197/0x197 [ 420.133696] ? __lock_acquire+0x7ec/0x4ec0 [ 420.137950] ? print_usage_bug+0xc0/0xc0 [ 420.142030] ? graph_lock+0x170/0x170 [ 420.145860] ? print_usage_bug+0xc0/0xc0 [ 420.149937] ? print_usage_bug+0xc0/0xc0 [ 420.154023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.159578] ? find_held_lock+0x36/0x1c0 [ 420.163664] ? mark_held_locks+0xc7/0x130 [ 420.167847] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.172971] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.178091] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.182689] ? trace_hardirqs_on+0xbd/0x310 [ 420.187022] ? kasan_check_read+0x11/0x20 [ 420.191178] ? ___ratelimit+0x36f/0x655 [ 420.195169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.200630] ? trace_hardirqs_on+0x310/0x310 [ 420.205065] ? lock_downgrade+0x900/0x900 [ 420.209235] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.214356] ? ___ratelimit+0xaa/0x655 [ 420.218257] ? idr_get_free+0xec0/0xec0 [ 420.222247] ? kasan_check_write+0x14/0x20 [ 420.226495] ? do_raw_spin_lock+0xc1/0x200 [ 420.230751] oom_kill_process.cold.27+0x10/0x903 [ 420.235524] ? graph_lock+0x170/0x170 [ 420.239343] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.245504] ? kasan_check_read+0x11/0x20 [ 420.249670] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.254962] ? oom_evaluate_task+0x540/0x540 [ 420.259392] ? find_held_lock+0x36/0x1c0 [ 420.263527] ? out_of_memory+0x974/0x1430 [ 420.267690] ? lock_downgrade+0x900/0x900 [ 420.271865] ? check_preemption_disabled+0x48/0x200 [ 420.276918] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.282726] ? kasan_check_read+0x11/0x20 [ 420.286896] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.292184] ? rcu_bh_qs+0xc0/0xc0 [ 420.295742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.301288] ? oom_evaluate_task+0x302/0x540 [ 420.305712] out_of_memory+0xa84/0x1430 [ 420.309713] ? oom_killer_disable+0x3a0/0x3a0 [ 420.314220] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 420.319170] ? __mutex_add_waiter+0x2a0/0x2a0 [ 420.323692] __alloc_pages_slowpath+0x2318/0x2d80 [ 420.328580] ? warn_alloc+0x120/0x120 [ 420.332400] ? trace_hardirqs_on+0x310/0x310 [ 420.336847] ? print_usage_bug+0xc0/0xc0 [ 420.340928] ? warn_alloc+0x120/0x120 [ 420.344740] ? print_usage_bug+0xc0/0xc0 [ 420.348838] ? print_usage_bug+0xc0/0xc0 [ 420.352916] ? free_one_page+0x1700/0x1700 [ 420.357166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.362714] ? should_fail+0x22d/0xd01 [ 420.366618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.371735] ? __lock_acquire+0x7ec/0x4ec0 [ 420.376013] ? __lock_is_held+0xb5/0x140 [ 420.380099] ? graph_lock+0x170/0x170 [ 420.383922] ? ___might_sleep+0x1ed/0x300 [ 420.388081] ? lock_release+0x970/0x970 [ 420.392218] ? arch_local_save_flags+0x40/0x40 [ 420.396844] ? __might_sleep+0x95/0x190 [ 420.400866] __alloc_pages_nodemask+0xa80/0xde0 [ 420.405554] ? graph_lock+0x170/0x170 [ 420.409370] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.414398] ? graph_lock+0x170/0x170 [ 420.418228] ? mark_held_locks+0xc7/0x130 [ 420.422388] ? find_held_lock+0x36/0x1c0 [ 420.426471] ? cache_grow_begin+0x5a4/0x8c0 [ 420.430831] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.435431] ? trace_hardirqs_on+0xbd/0x310 [ 420.439765] ? fallback_alloc+0x203/0x2e0 [ 420.443927] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.449395] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.454954] cache_grow_begin+0x91/0x8c0 [ 420.459056] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.463485] fallback_alloc+0x203/0x2e0 [ 420.467481] ____cache_alloc_node+0x1c7/0x1e0 [ 420.472002] kmem_cache_alloc_node_trace+0xe7/0x740 [ 420.477044] __kmalloc_node_track_caller+0x33/0x70 [ 420.481992] __kmalloc_reserve.isra.39+0x41/0xe0 [ 420.486766] __alloc_skb+0x155/0x770 [ 420.490502] ? skb_scrub_packet+0x490/0x490 [ 420.494856] ? if_nlmsg_size+0x5d1/0xbb0 [ 420.498941] ? nla_put_ifalias+0x170/0x170 [ 420.503205] ? sk_psock_stop_strp+0x120/0x120 [ 420.507717] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.512748] ? netif_tx_stop_all_queues+0xd9/0x110 [ 420.517695] rtmsg_ifinfo_build_skb+0x74/0x190 [ 420.522297] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 420.527164] rtmsg_ifinfo+0x8c/0xa0 [ 420.530829] dev_close_many+0x3be/0x860 [ 420.534853] ? netdev_master_upper_dev_link+0x50/0x50 [ 420.540197] ? find_held_lock+0x36/0x1c0 [ 420.544279] ? __queue_work+0x6be/0x1440 [ 420.548359] ? lock_downgrade+0x900/0x900 [ 420.552532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.558087] ? rtnl_is_locked+0xb5/0xf0 [ 420.562081] ? rtnl_trylock+0x20/0x20 [ 420.565899] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.570377] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 420.574980] rollback_registered_many+0x543/0x1210 [ 420.579930] ? generic_xdp_install+0x4c0/0x4c0 [ 420.584534] ? max_active_store+0x170/0x170 [ 420.588880] ? graph_lock+0x170/0x170 [ 420.592698] ? print_usage_bug+0xc0/0xc0 [ 420.596771] ? print_usage_bug+0xc0/0xc0 [ 420.600883] ? __debug_object_init+0x57d/0x1290 [ 420.605568] ? graph_lock+0x170/0x170 [ 420.609384] ? print_usage_bug+0xc0/0xc0 [ 420.613460] ? find_held_lock+0x36/0x1c0 [ 420.617544] ? mark_held_locks+0xc7/0x130 [ 420.621708] rollback_registered+0x1e9/0x420 [ 420.626135] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 420.630750] ? rollback_registered_many+0x1210/0x1210 [ 420.635951] ? trace_hardirqs_on+0xbd/0x310 [ 420.640289] ? linkwatch_schedule_work+0x150/0x170 [ 420.645235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.650710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.656265] ? rtnl_is_locked+0xb5/0xf0 [ 420.660258] ? rtnl_trylock+0x20/0x20 [ 420.664079] ? queue_delayed_work_on+0x130/0x1f0 [ 420.668880] unregister_netdevice_queue+0x321/0x5e0 [ 420.673913] ? rollback_registered+0x420/0x420 [ 420.678512] ? linkwatch_schedule_work+0x170/0x170 [ 420.683457] ? tun_show_owner+0x170/0x170 [ 420.687623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.693177] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 420.698553] ? __tun_detach+0x6ba/0x15c0 [ 420.702646] __tun_detach+0x11b8/0x15c0 [ 420.706638] ? __call_rcu.constprop.69+0x429/0xbc0 [ 420.711586] ? tun_attach+0x1900/0x1900 [ 420.715573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.721127] ? check_preemption_disabled+0x48/0x200 [ 420.726172] ? graph_lock+0x170/0x170 [ 420.729985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.735534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.741084] ? locks_remove_file+0x3c6/0x5c0 [ 420.745505] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 420.751053] ? ima_file_free+0x132/0x650 [ 420.755133] ? __lock_is_held+0xb5/0x140 [ 420.759209] ? __tun_detach+0x15c0/0x15c0 [ 420.763372] ? __tun_detach+0x15c0/0x15c0 [ 420.767533] tun_chr_close+0xe3/0x180 [ 420.771356] __fput+0x385/0xa30 [ 420.774657] ? get_max_files+0x20/0x20 [ 420.778570] ? ___might_sleep+0x1ed/0x300 [ 420.782744] ? arch_local_save_flags+0x40/0x40 [ 420.787352] ____fput+0x15/0x20 [ 420.790658] task_work_run+0x1e8/0x2a0 [ 420.794567] ? task_work_cancel+0x240/0x240 [ 420.798918] ? switch_task_namespaces+0xb8/0xd0 [ 420.803611] do_exit+0x1ad7/0x2610 [ 420.807173] ? mm_update_next_owner+0x990/0x990 [ 420.811912] ? print_usage_bug+0xc0/0xc0 [ 420.816156] ? perf_trace_lock+0x14d/0x7a0 [ 420.820409] ? __lock_acquire+0x7ec/0x4ec0 [ 420.824707] ? find_held_lock+0x36/0x1c0 [ 420.828824] ? __lock_acquire+0x7ec/0x4ec0 [ 420.833071] ? mark_held_locks+0x130/0x130 [ 420.837320] ? lock_acquire+0x1ed/0x520 [ 420.841312] ? mark_held_locks+0x130/0x130 [ 420.845560] ? arch_local_save_flags+0x40/0x40 [ 420.850158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.855730] ? __mutex_lock+0x85e/0x1700 [ 420.859824] ? __switch_to_asm+0x40/0x70 [ 420.863922] ? __switch_to_asm+0x34/0x70 [ 420.867995] ? pipe_wait+0x266/0x2c0 [ 420.871732] ? mutex_trylock+0x2b0/0x2b0 [ 420.875838] ? graph_lock+0x170/0x170 [ 420.879657] ? find_held_lock+0x36/0x1c0 [ 420.883732] ? memset+0x31/0x40 [ 420.887084] ? find_held_lock+0x36/0x1c0 [ 420.891167] ? get_signal+0x95b/0x1980 [ 420.895074] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.899585] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.904099] do_group_exit+0x177/0x440 [ 420.908004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.913466] ? __ia32_sys_exit+0x50/0x50 [ 420.917554] get_signal+0x8b0/0x1980 [ 420.921290] ? ptrace_notify+0x130/0x130 [ 420.925369] ? finish_wait+0x430/0x430 [ 420.929272] ? graph_lock+0x170/0x170 [ 420.933096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.938695] ? pipe_read+0x702/0x940 [ 420.942428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.947995] do_signal+0x9c/0x21e0 [ 420.951552] ? __vfs_read+0x11f/0x9b0 [ 420.955372] ? vfs_copy_file_range+0xb90/0xb90 [ 420.959973] ? setup_sigcontext+0x7d0/0x7d0 [ 420.964327] ? exit_to_usermode_loop+0x8c/0x380 [ 420.969030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.974585] exit_to_usermode_loop+0x2e5/0x380 [ 420.979183] ? syscall_slow_exit_work+0x520/0x520 [ 420.984041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.989604] do_syscall_64+0x6be/0x820 [ 420.993507] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.998892] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.003851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.008715] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.013749] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.018786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.023676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.028884] RIP: 0033:0x410fa0 [ 421.032097] Code: Bad RIP value. [ 421.035470] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 421.043191] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 421.050469] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 421.057750] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 421.065036] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 421.072316] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 421.079631] warn_alloc_show_mem: 1 callbacks suppressed [ 421.079644] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 421.079646] Mem-Info: [ 421.079679] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 421.079679] active_file:8 inactive_file:19 isolated_file:0 [ 421.079679] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.079679] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 421.079679] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 421.079679] free:13766 free_pcp:526 free_cma:0 [ 421.085031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.085040] Call Trace: [ 421.092423] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.094862] [ 421.127856] Node 0 [ 421.137236] dump_stack+0x1c4/0x2b4 [ 421.139853] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.167611] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.169748] lowmem_reserve[]: [ 421.172008] warn_alloc.cold.119+0xb7/0x1bd [ 421.175609] 0 [ 421.201131] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.206309] 2819 [ 421.209421] ? lock_downgrade+0x900/0x900 [ 421.213715] 6323 6323 [ 421.215537] ? trace_hardirqs_off+0xb8/0x310 [ 421.222436] ? trace_hardirqs_off+0xb8/0x310 [ 421.226568] Node 0 [ 421.229079] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.233496] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 421.237910] ? warn_alloc+0x120/0x120 [ 421.240108] lowmem_reserve[]: 0 [ 421.244965] ? trace_hardirqs_on+0x310/0x310 [ 421.272163] 0 3503 [ 421.275998] ? warn_alloc+0x120/0x120 [ 421.279258] 3503 [ 421.283685] ? print_usage_bug+0xc0/0xc0 [ 421.285905] Node 0 [ 421.289713] ? warn_alloc+0x120/0x120 [ 421.291786] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 421.295847] ? ktime_get+0x2e1/0x440 [ 421.298069] lowmem_reserve[]: 0 [ 421.301891] ? print_usage_bug+0xc0/0xc0 [ 421.330409] 0 0 [ 421.334146] ? __lock_acquire+0x7ec/0x4ec0 [ 421.337403] 0 [ 421.341485] ? __lock_acquire+0x7ec/0x4ec0 [ 421.343449] Node 0 [ 421.347697] ? kasan_check_read+0x11/0x20 [ 421.349482] DMA: [ 421.353722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.355941] 1*4kB [ 421.360097] ? should_fail+0x22d/0xd01 [ 421.362145] (U) [ 421.367691] ? rcu_bh_qs+0xc0/0xc0 [ 421.369848] 0*8kB [ 421.373741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.375705] 0*16kB [ 421.379252] ? __lock_acquire+0x7ec/0x4ec0 [ 421.381388] 1*32kB [ 421.386497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.388722] (U) [ 421.392964] ? __lock_acquire+0x7ec/0x4ec0 [ 421.395182] 2*64kB (U) [ 421.400313] ? should_fail+0x22d/0xd01 [ 421.402278] 1*128kB [ 421.406519] ? rcu_idle_enter+0x4b0/0x4b0 [ 421.409089] (U) [ 421.412986] ? mark_held_locks+0x130/0x130 [ 421.415296] 1*256kB [ 421.419446] ? mark_held_locks+0x130/0x130 [ 421.421409] (U) [ 421.425652] ? mark_held_locks+0xc7/0x130 [ 421.427964] 0*512kB [ 421.432201] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 421.434164] 1*1024kB [ 421.438316] ? graph_lock+0x170/0x170 [ 421.440628] (U) [ 421.445652] ? print_usage_bug+0xc0/0xc0 [ 421.448047] 1*2048kB (M) [ 421.451874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.453859] 3*4096kB [ 421.457936] ? check_preemption_disabled+0x48/0x200 [ 421.460675] (M) [ 421.466217] ? check_preemption_disabled+0x48/0x200 [ 421.466244] ? __lock_is_held+0xb5/0x140 [ 421.468632] = 15908kB [ 421.473654] __alloc_pages_nodemask+0xa80/0xde0 [ 421.475613] Node 0 [ 421.480634] ? graph_lock+0x170/0x170 [ 421.484675] DMA32: 3*4kB [ 421.487104] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.491756] (M) [ 421.493999] ? graph_lock+0x170/0x170 [ 421.497786] 2*8kB [ 421.500578] ? find_held_lock+0x36/0x1c0 [ 421.505563] (UM) 2*16kB [ 421.507560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.511336] (M) [ 421.513492] ? lock_downgrade+0x900/0x900 [ 421.517538] 3*32kB [ 421.520220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.524867] (UM) [ 421.526873] cache_grow_begin+0x91/0x8c0 [ 421.531002] 5*64kB (UM) [ 421.533259] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.538781] 3*128kB [ 421.540875] fallback_alloc+0x203/0x2e0 [ 421.544926] (M) [ 421.547612] ____cache_alloc_node+0x1c7/0x1e0 [ 421.552001] 3*256kB [ 421.554330] kmem_cache_alloc_node+0xe3/0x730 [ 421.558287] (M) [ 421.560273] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.564753] 4*512kB [ 421.567090] __alloc_skb+0x119/0x770 [ 421.571561] (UM) [ 421.573548] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.577764] 3*1024kB [ 421.580097] ? skb_scrub_packet+0x490/0x490 [ 421.583794] (UM) [ 421.585883] ? lock_downgrade+0x900/0x900 [ 421.591146] 3*2048kB (UM) [ 421.593577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.597883] 3*4096kB (M) [ 421.599967] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.604099] = 25180kB [ 421.606953] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.612472] Node 0 [ 421.615239] ? addrconf_rs_timer+0x690/0x690 [ 421.620671] Normal: [ 421.623099] ndisc_alloc_skb+0x144/0x340 [ 421.628524] 960*4kB [ 421.630766] ndisc_send_rs+0x331/0x6e0 [ 421.635159] (MEH) [ 421.637490] addrconf_rs_timer+0x314/0x690 [ 421.641576] 471*8kB (UME) [ 421.643916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.647783] 178*16kB (ME) [ 421.649976] call_timer_fn+0x272/0x920 [ 421.654181] 44*32kB (UME) [ 421.657041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.661257] 1*64kB (U) [ 421.664130] ? process_timeout+0x40/0x40 [ 421.667997] 0*128kB 0*256kB [ 421.670883] ? find_held_lock+0x36/0x1c0 [ 421.675111] 2*512kB [ 421.677710] ? __run_timers+0x7da/0xc70 [ 421.681749] (U) [ 421.684780] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.688840] 1*1024kB (U) [ 421.691180] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.695137] 0*2048kB 0*4096kB [ 421.697133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.701608] = 13976kB [ 421.701622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.704384] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.708885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.712083] ? trace_hardirqs_on+0xbd/0x310 [ 421.716301] 2889 total pagecache pages [ 421.718717] ? kasan_check_read+0x11/0x20 [ 421.727654] 0 pages in swap cache [ 421.732237] ? __run_timers+0x7da/0xc70 [ 421.740796] Swap cache stats: add 0, delete 0, find 0/0 [ 421.740826] Free swap = 0kB [ 421.745160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.749031] Total swap = 0kB [ 421.753185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.756621] 1965979 pages RAM [ 421.760611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.765971] 0 pages HighMem/MovableOnly [ 421.769000] __run_timers+0x7e5/0xc70 [ 421.774429] 342306 pages reserved [ 421.774438] 0 pages cma reserved [ 421.777477] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.781766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.784786] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.784804] ? rcu_bh_qs+0xc0/0xc0 [ 421.789162] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.793030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.796836] syz-executor1 cpuset= [ 421.800518] ? check_preemption_disabled+0x48/0x200 [ 421.803870] syz1 [ 421.809246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.815722] mems_allowed=0 [ 421.821007] ? retint_kernel+0x2d/0x2d [ 421.862546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.867499] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.872271] ? trace_hardirqs_off+0x310/0x310 [ 421.876781] ? check_preemption_disabled+0x48/0x200 [ 421.881854] ? graph_lock+0x170/0x170 [ 421.885677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.891232] ? check_preemption_disabled+0x48/0x200 [ 421.896280] ? __lock_is_held+0xb5/0x140 [ 421.900360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.905920] ? check_preemption_disabled+0x48/0x200 [ 421.910965] run_timer_softirq+0x52/0xb0 [ 421.915043] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.920070] __do_softirq+0x30b/0xad8 [ 421.923894] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.929020] ? pvclock_read_flags+0x160/0x160 [ 421.933534] ? lapic_next_event+0x5a/0x90 [ 421.937698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.943251] ? check_preemption_disabled+0x48/0x200 [ 421.948283] ? check_preemption_disabled+0x48/0x200 [ 421.953644] ? kvm_clock_read+0x18/0x30 [ 421.957630] ? kvm_sched_clock_read+0x9/0x20 [ 421.962055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.967605] ? check_preemption_disabled+0x48/0x200 [ 421.972645] irq_exit+0x17f/0x1c0 [ 421.976113] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.980968] ? smp_reschedule_interrupt+0x109/0x650 [ 421.986003] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.991903] ? interrupt_entry+0xb5/0xf0 [ 421.995988] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.001016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.006047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.010908] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.015938] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.020971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.026531] ? check_preemption_disabled+0x48/0x200 [ 422.031568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.037312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.042236] apic_timer_interrupt+0xf/0x20 [ 422.046480] [ 422.048736] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 422.053679] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 422.072593] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 422.080319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.088160] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 422.095439] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 422.102716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 422.109993] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 422.117327] skb_clone+0x1bb/0x500 [ 422.120885] ? finish_task_switch+0x2f5/0x900 [ 422.125398] ? skb_split+0x11e0/0x11e0 [ 422.129306] ? preempt_notifier_register+0x200/0x200 [ 422.134443] ? __switch_to_asm+0x34/0x70 [ 422.138521] ? __switch_to_asm+0x34/0x70 [ 422.142593] ? __switch_to_asm+0x40/0x70 [ 422.146669] ? __switch_to_asm+0x34/0x70 [ 422.150744] ? __switch_to_asm+0x40/0x70 [ 422.154841] ? __switch_to_asm+0x34/0x70 [ 422.158917] ? __switch_to_asm+0x40/0x70 [ 422.162990] ? __switch_to_asm+0x34/0x70 [ 422.167072] ? __switch_to_asm+0x34/0x70 [ 422.171151] ? __switch_to_asm+0x40/0x70 [ 422.175229] ? __switch_to_asm+0x34/0x70 [ 422.179323] bpf_clone_redirect+0xb9/0x490 [ 422.183706] ? __schedule+0x874/0x1ed0 [ 422.187613] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 422.192735] ? __sched_text_start+0x8/0x8 [ 422.196902] ? retint_kernel+0x2d/0x2d [ 422.200832] ? find_held_lock+0x36/0x1c0 [ 422.204916] ? lock_acquire+0x1ed/0x520 [ 422.208902] ? bpf_test_run+0x3cb/0x780 [ 422.212890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.218445] ? check_preemption_disabled+0x48/0x200 [ 422.223484] ? kasan_check_read+0x11/0x20 [ 422.227646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.233025] ? rcu_bh_qs+0xc0/0xc0 [ 422.236580] ? preempt_schedule+0x4d/0x60 [ 422.240741] ? ___preempt_schedule+0x16/0x18 [ 422.245169] ? bpf_test_run+0x25d/0x780 [ 422.249171] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.253595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.259145] ? bpf_test_init.isra.9+0x70/0x100 [ 422.263748] ? bpf_prog_test_run_skb+0x634/0xb40 [ 422.268545] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.273411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.278972] ? fput+0x130/0x1a0 [ 422.282272] ? __bpf_prog_get+0x9b/0x290 [ 422.286349] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.291216] ? bpf_prog_test_run+0x130/0x1a0 [ 422.295647] ? __x64_sys_bpf+0x3d8/0x510 [ 422.299721] ? bpf_prog_get+0x20/0x20 [ 422.303562] ? do_syscall_64+0x1b9/0x820 [ 422.307642] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.313020] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.317971] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.323089] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.328205] ? recalc_sigpending_tsk+0x180/0x180 [ 422.332978] ? kasan_check_write+0x14/0x20 [ 422.337232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.342101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.347501] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 422.347587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.354794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.354803] Call Trace: [ 422.361440] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.370666] [ 422.373256] syz-executor2 cpuset= [ 422.383748] dump_stack+0x1c4/0x2b4 [ 422.385879] syz2 mems_allowed=0 [ 422.389347] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.401451] warn_alloc.cold.119+0xb7/0x1bd [ 422.405788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.410666] ? lock_downgrade+0x900/0x900 [ 422.414855] ? trace_hardirqs_off+0xb8/0x310 [ 422.419296] ? trace_hardirqs_off+0xb8/0x310 [ 422.423726] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.428616] ? warn_alloc+0x120/0x120 [ 422.432430] ? trace_hardirqs_on+0x310/0x310 [ 422.436869] ? warn_alloc+0x120/0x120 [ 422.440702] ? print_usage_bug+0xc0/0xc0 [ 422.444781] ? warn_alloc+0x120/0x120 [ 422.448615] ? ktime_get+0x2e1/0x440 [ 422.452347] ? print_usage_bug+0xc0/0xc0 [ 422.456424] ? __lock_acquire+0x7ec/0x4ec0 [ 422.460674] ? __lock_acquire+0x7ec/0x4ec0 [ 422.464952] ? kasan_check_read+0x11/0x20 [ 422.469119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.474672] ? should_fail+0x22d/0xd01 [ 422.478575] ? rcu_bh_qs+0xc0/0xc0 [ 422.482132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.487337] ? __lock_acquire+0x7ec/0x4ec0 [ 422.491604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.496716] ? __lock_acquire+0x7ec/0x4ec0 [ 422.500962] ? should_fail+0x22d/0xd01 [ 422.504869] ? rcu_idle_enter+0x4b0/0x4b0 [ 422.509045] ? mark_held_locks+0x130/0x130 [ 422.513300] ? mark_held_locks+0x130/0x130 [ 422.517552] ? mark_held_locks+0xc7/0x130 [ 422.521711] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 422.526742] ? graph_lock+0x170/0x170 [ 422.530558] ? print_usage_bug+0xc0/0xc0 [ 422.534637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.540193] ? check_preemption_disabled+0x48/0x200 [ 422.545220] ? check_preemption_disabled+0x48/0x200 [ 422.550264] ? __lock_is_held+0xb5/0x140 [ 422.554346] __alloc_pages_nodemask+0xa80/0xde0 [ 422.559032] ? graph_lock+0x170/0x170 [ 422.562871] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.567906] ? graph_lock+0x170/0x170 [ 422.571734] ? find_held_lock+0x36/0x1c0 [ 422.575839] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.580528] ? lock_downgrade+0x900/0x900 [ 422.584705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.590269] cache_grow_begin+0x91/0x8c0 [ 422.594348] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.598783] fallback_alloc+0x203/0x2e0 [ 422.602801] ____cache_alloc_node+0x1c7/0x1e0 [ 422.607339] kmem_cache_alloc_node+0xe3/0x730 [ 422.611866] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.616133] __alloc_skb+0x119/0x770 [ 422.619870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.625172] ? skb_scrub_packet+0x490/0x490 [ 422.629511] ? lock_downgrade+0x900/0x900 [ 422.633685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.639243] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.644717] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.650281] ? addrconf_rs_timer+0x690/0x690 [ 422.654930] ndisc_alloc_skb+0x144/0x340 [ 422.659010] ndisc_send_rs+0x331/0x6e0 [ 422.662917] addrconf_rs_timer+0x314/0x690 [ 422.667176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.671439] call_timer_fn+0x272/0x920 [ 422.675341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.679591] ? process_timeout+0x40/0x40 [ 422.683666] ? find_held_lock+0x36/0x1c0 [ 422.687751] ? mark_held_locks+0xc7/0x130 [ 422.691922] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.696431] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.700934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.705249] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 422.709865] ? trace_hardirqs_on+0xbd/0x310 [ 422.714208] ? kasan_check_read+0x11/0x20 [ 422.718370] ? __run_timers+0x7da/0xc70 [ 422.722364] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.727850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.732114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.736370] __run_timers+0x7e5/0xc70 [ 422.740200] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.745581] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.750615] ? graph_lock+0x170/0x170 [ 422.754432] ? print_usage_bug+0xc0/0xc0 [ 422.758512] ? lock_release+0x970/0x970 [ 422.762503] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.767713] ? find_held_lock+0x36/0x1c0 [ 422.771790] ? graph_lock+0x170/0x170 [ 422.775632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.781188] ? check_preemption_disabled+0x48/0x200 [ 422.786229] ? __lock_is_held+0xb5/0x140 [ 422.790307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.795878] ? check_preemption_disabled+0x48/0x200 [ 422.800925] run_timer_softirq+0x52/0xb0 [ 422.805006] ? rcu_read_lock_sched_held+0x108/0x120 [ 422.810040] __do_softirq+0x30b/0xad8 [ 422.813881] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.819003] ? pvclock_read_flags+0x160/0x160 [ 422.823511] ? lapic_next_event+0x5a/0x90 [ 422.827674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.833227] ? check_preemption_disabled+0x48/0x200 [ 422.838259] ? check_preemption_disabled+0x48/0x200 [ 422.843303] ? kvm_clock_read+0x18/0x30 [ 422.847293] ? kvm_sched_clock_read+0x9/0x20 [ 422.851722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.857361] ? check_preemption_disabled+0x48/0x200 [ 422.862405] irq_exit+0x17f/0x1c0 [ 422.865887] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.870741] ? smp_reschedule_interrupt+0x109/0x650 [ 422.875773] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.881788] ? interrupt_entry+0xb5/0xf0 [ 422.885891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.890919] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.895951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.900804] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.905883] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.911087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.916643] ? check_preemption_disabled+0x48/0x200 [ 422.921669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.927232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.932096] apic_timer_interrupt+0xf/0x20 [ 422.936335] [ 422.938587] RIP: 0010:console_unlock+0xfdf/0x1160 [ 422.943444] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 422.962365] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 422.970089] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 422.977368] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 422.984650] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 422.992038] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 422.999317] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 423.006616] ? netconsole_netdev_event+0x280/0x280 [ 423.011574] ? console_unlock+0xfd6/0x1160 [ 423.015920] ? devkmsg_read+0xbb0/0xbb0 [ 423.019912] ? vprintk_emit+0x7f7/0x930 [ 423.023913] ? lock_release+0x970/0x970 [ 423.027906] ? trace_hardirqs_on+0x10/0x310 [ 423.032246] ? vprintk_default+0x28/0x30 [ 423.036320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.041884] ? kasan_check_write+0x14/0x20 [ 423.046134] ? do_raw_spin_lock+0xc1/0x200 [ 423.050432] vprintk_emit+0x33d/0x930 [ 423.054432] ? wake_up_klogd+0x180/0x180 [ 423.058523] ? find_held_lock+0x36/0x1c0 [ 423.062607] ? mark_held_locks+0xc7/0x130 [ 423.066776] vprintk_default+0x28/0x30 [ 423.070699] vprintk_func+0x7e/0x181 [ 423.074428] printk+0xa7/0xcf [ 423.077548] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 423.082323] ? kasan_check_write+0x14/0x20 [ 423.086570] ? do_raw_spin_lock+0xc1/0x200 [ 423.090850] show_free_areas.cold.120+0x1b8e/0x215d [ 423.095914] ? si_meminfo_node+0x260/0x260 [ 423.100167] ? __lock_acquire+0x7ec/0x4ec0 [ 423.104420] ? __lock_acquire+0x7ec/0x4ec0 [ 423.108671] ? __lock_acquire+0x7ec/0x4ec0 [ 423.112926] ? kasan_check_write+0x14/0x20 [ 423.117175] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 423.122995] ? mark_held_locks+0x130/0x130 [ 423.127244] ? mark_held_locks+0x130/0x130 [ 423.131498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.137051] ? graph_lock+0x170/0x170 [ 423.140872] ? put_dec+0x3b/0xf0 [ 423.144266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.149906] ? number+0x972/0xca0 [ 423.153375] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 423.158409] ? find_held_lock+0x36/0x1c0 [ 423.162499] ? serial8250_console_write+0x8b3/0xb10 [ 423.167533] ? lock_downgrade+0x900/0x900 [ 423.171698] ? graph_lock+0x170/0x170 [ 423.175509] ? graph_lock+0x170/0x170 [ 423.179324] ? print_usage_bug+0xc0/0xc0 [ 423.183395] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.187839] ? trace_hardirqs_on+0x310/0x310 [ 423.192266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.197834] ? wq_watchdog_touch+0x9c/0xfe [ 423.202088] ? io_serial_in+0x11/0x90 [ 423.205916] ? find_held_lock+0x36/0x1c0 [ 423.210003] ? mark_held_locks+0xc7/0x130 [ 423.214169] ? console_unlock+0xfaa/0x1160 [ 423.218455] ? console_unlock+0xfaa/0x1160 [ 423.222713] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.227311] ? vprintk_emit+0x33d/0x930 [ 423.231300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.236767] ? kasan_check_write+0x14/0x20 [ 423.241022] ? do_raw_spin_lock+0xc1/0x200 [ 423.245275] ? netconsole_netdev_event+0x280/0x280 [ 423.250220] ? console_unlock+0x9ba/0x1160 [ 423.254478] ? devkmsg_read+0xbb0/0xbb0 [ 423.258470] ? lock_release+0x970/0x970 [ 423.262463] ? preempt_count_add+0x7d/0x160 [ 423.266798] ? wake_up_klogd+0x11a/0x180 [ 423.270903] ? console_device+0xc0/0xc0 [ 423.274907] ? vprintk_emit+0x268/0x930 [ 423.278905] ? wake_up_klogd+0x180/0x180 [ 423.282982] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.287752] ? trace_hardirqs_off+0x310/0x310 [ 423.292261] ? retint_kernel+0x1b/0x2d [ 423.296161] ? trace_hardirqs_on+0x310/0x310 [ 423.300592] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.305370] ? retint_kernel+0x2d/0x2d [ 423.309285] ? arch_local_irq_restore+0x45/0x52 [ 423.313969] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 423.318996] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 423.323772] ? show_mem+0x1e/0x17b [ 423.327328] show_mem+0x34/0x17b [ 423.330712] dump_header+0x2f1/0xf72 [ 423.334452] ? pagefault_out_of_memory+0x197/0x197 [ 423.339400] ? __lock_acquire+0x7ec/0x4ec0 [ 423.343652] ? print_usage_bug+0xc0/0xc0 [ 423.347919] ? graph_lock+0x170/0x170 [ 423.351732] ? print_usage_bug+0xc0/0xc0 [ 423.355802] ? print_usage_bug+0xc0/0xc0 [ 423.359915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.365471] ? find_held_lock+0x36/0x1c0 [ 423.369552] ? mark_held_locks+0xc7/0x130 [ 423.373718] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.378860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.383982] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.388575] ? trace_hardirqs_on+0xbd/0x310 [ 423.392910] ? kasan_check_read+0x11/0x20 [ 423.397069] ? ___ratelimit+0x36f/0x655 [ 423.401062] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.406529] ? trace_hardirqs_on+0x310/0x310 [ 423.410954] ? lock_downgrade+0x900/0x900 [ 423.415126] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.420243] ? ___ratelimit+0xaa/0x655 [ 423.424149] ? idr_get_free+0xec0/0xec0 [ 423.428139] ? kasan_check_write+0x14/0x20 [ 423.432388] ? do_raw_spin_lock+0xc1/0x200 [ 423.436646] oom_kill_process.cold.27+0x10/0x903 [ 423.441418] ? graph_lock+0x170/0x170 [ 423.445242] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.451050] ? kasan_check_read+0x11/0x20 [ 423.455215] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.460507] ? oom_evaluate_task+0x540/0x540 [ 423.464933] ? find_held_lock+0x36/0x1c0 [ 423.469013] ? out_of_memory+0x974/0x1430 [ 423.473174] ? lock_downgrade+0x900/0x900 [ 423.477333] ? check_preemption_disabled+0x48/0x200 [ 423.482372] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.488182] ? kasan_check_read+0x11/0x20 [ 423.492343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.497639] ? rcu_bh_qs+0xc0/0xc0 [ 423.501198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.506746] ? oom_evaluate_task+0x302/0x540 [ 423.511178] out_of_memory+0xa84/0x1430 [ 423.515176] ? oom_killer_disable+0x3a0/0x3a0 [ 423.519688] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 423.524636] ? __mutex_add_waiter+0x2a0/0x2a0 [ 423.529158] __alloc_pages_slowpath+0x2318/0x2d80 [ 423.534050] ? warn_alloc+0x120/0x120 [ 423.537880] ? trace_hardirqs_on+0x310/0x310 [ 423.542309] ? print_usage_bug+0xc0/0xc0 [ 423.546381] ? warn_alloc+0x120/0x120 [ 423.550195] ? print_usage_bug+0xc0/0xc0 [ 423.554277] ? print_usage_bug+0xc0/0xc0 [ 423.558352] ? free_one_page+0x1700/0x1700 [ 423.562605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.568159] ? should_fail+0x22d/0xd01 [ 423.572067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.577282] ? __lock_acquire+0x7ec/0x4ec0 [ 423.581558] ? __lock_is_held+0xb5/0x140 [ 423.585642] ? graph_lock+0x170/0x170 [ 423.589457] ? ___might_sleep+0x1ed/0x300 [ 423.593616] ? lock_release+0x970/0x970 [ 423.597607] ? arch_local_save_flags+0x40/0x40 [ 423.602211] ? __might_sleep+0x95/0x190 [ 423.606204] __alloc_pages_nodemask+0xa80/0xde0 [ 423.610895] ? graph_lock+0x170/0x170 [ 423.614717] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.619744] ? graph_lock+0x170/0x170 [ 423.623568] ? mark_held_locks+0xc7/0x130 [ 423.627723] ? find_held_lock+0x36/0x1c0 [ 423.631805] ? cache_grow_begin+0x5a4/0x8c0 [ 423.636164] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.640761] ? trace_hardirqs_on+0xbd/0x310 [ 423.645097] ? fallback_alloc+0x203/0x2e0 [ 423.649261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.654733] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.660286] cache_grow_begin+0x91/0x8c0 [ 423.664364] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.668795] fallback_alloc+0x203/0x2e0 [ 423.672833] ____cache_alloc_node+0x1c7/0x1e0 [ 423.677349] kmem_cache_alloc_node_trace+0xe7/0x740 [ 423.682389] __kmalloc_node_track_caller+0x33/0x70 [ 423.687339] __kmalloc_reserve.isra.39+0x41/0xe0 [ 423.692110] __alloc_skb+0x155/0x770 [ 423.695862] ? skb_scrub_packet+0x490/0x490 [ 423.700203] ? if_nlmsg_size+0x5d1/0xbb0 [ 423.704282] ? nla_put_ifalias+0x170/0x170 [ 423.708545] ? sk_psock_stop_strp+0x120/0x120 [ 423.713057] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.718090] ? netif_tx_stop_all_queues+0xd9/0x110 [ 423.723037] rtmsg_ifinfo_build_skb+0x74/0x190 [ 423.727642] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 423.732506] rtmsg_ifinfo+0x8c/0xa0 [ 423.736154] dev_close_many+0x3be/0x860 [ 423.740150] ? netdev_master_upper_dev_link+0x50/0x50 [ 423.745356] ? find_held_lock+0x36/0x1c0 [ 423.749441] ? __queue_work+0x6be/0x1440 [ 423.753516] ? lock_downgrade+0x900/0x900 [ 423.757682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.763236] ? rtnl_is_locked+0xb5/0xf0 [ 423.767221] ? rtnl_trylock+0x20/0x20 [ 423.771033] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.775456] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 423.780060] rollback_registered_many+0x543/0x1210 [ 423.785030] ? generic_xdp_install+0x4c0/0x4c0 [ 423.789630] ? max_active_store+0x170/0x170 [ 423.793965] ? graph_lock+0x170/0x170 [ 423.797777] ? print_usage_bug+0xc0/0xc0 [ 423.801869] ? print_usage_bug+0xc0/0xc0 [ 423.805955] ? __debug_object_init+0x57d/0x1290 [ 423.810639] ? graph_lock+0x170/0x170 [ 423.814453] ? print_usage_bug+0xc0/0xc0 [ 423.818533] ? find_held_lock+0x36/0x1c0 [ 423.822620] ? mark_held_locks+0xc7/0x130 [ 423.826790] rollback_registered+0x1e9/0x420 [ 423.831228] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 423.835842] ? rollback_registered_many+0x1210/0x1210 [ 423.841048] ? trace_hardirqs_on+0xbd/0x310 [ 423.845382] ? linkwatch_schedule_work+0x150/0x170 [ 423.850321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.855790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.861360] ? rtnl_is_locked+0xb5/0xf0 [ 423.865356] ? rtnl_trylock+0x20/0x20 [ 423.869171] ? queue_delayed_work_on+0x130/0x1f0 [ 423.873944] unregister_netdevice_queue+0x321/0x5e0 [ 423.878978] ? rollback_registered+0x420/0x420 [ 423.883572] ? linkwatch_schedule_work+0x170/0x170 [ 423.888577] ? tun_show_owner+0x170/0x170 [ 423.892743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.898302] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 423.903676] ? __tun_detach+0x6ba/0x15c0 [ 423.907755] __tun_detach+0x11b8/0x15c0 [ 423.911852] ? __call_rcu.constprop.69+0x429/0xbc0 [ 423.916827] ? tun_attach+0x1900/0x1900 [ 423.920845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.926401] ? check_preemption_disabled+0x48/0x200 [ 423.931442] ? graph_lock+0x170/0x170 [ 423.935260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.940829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.946388] ? locks_remove_file+0x3c6/0x5c0 [ 423.951234] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 423.956787] ? ima_file_free+0x132/0x650 [ 423.960896] ? __lock_is_held+0xb5/0x140 [ 423.964976] ? __tun_detach+0x15c0/0x15c0 [ 423.969141] ? __tun_detach+0x15c0/0x15c0 [ 423.973298] tun_chr_close+0xe3/0x180 [ 423.977118] __fput+0x385/0xa30 [ 423.980422] ? get_max_files+0x20/0x20 [ 423.984328] ? ___might_sleep+0x1ed/0x300 [ 423.988492] ? arch_local_save_flags+0x40/0x40 [ 423.993094] ____fput+0x15/0x20 [ 423.996389] task_work_run+0x1e8/0x2a0 [ 424.000294] ? task_work_cancel+0x240/0x240 [ 424.004640] ? switch_task_namespaces+0xb8/0xd0 [ 424.009328] do_exit+0x1ad7/0x2610 [ 424.012894] ? mm_update_next_owner+0x990/0x990 [ 424.017577] ? print_usage_bug+0xc0/0xc0 [ 424.021653] ? perf_trace_lock+0x14d/0x7a0 [ 424.025913] ? __lock_acquire+0x7ec/0x4ec0 [ 424.030161] ? find_held_lock+0x36/0x1c0 [ 424.034248] ? __lock_acquire+0x7ec/0x4ec0 [ 424.038584] ? mark_held_locks+0x130/0x130 [ 424.042857] ? lock_acquire+0x1ed/0x520 [ 424.046871] ? mark_held_locks+0x130/0x130 [ 424.051127] ? arch_local_save_flags+0x40/0x40 [ 424.055724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.061294] ? __mutex_lock+0x85e/0x1700 [ 424.065374] ? __switch_to_asm+0x40/0x70 [ 424.069452] ? __switch_to_asm+0x34/0x70 [ 424.073525] ? pipe_wait+0x266/0x2c0 [ 424.077263] ? mutex_trylock+0x2b0/0x2b0 [ 424.081604] ? graph_lock+0x170/0x170 [ 424.085425] ? find_held_lock+0x36/0x1c0 [ 424.089508] ? memset+0x31/0x40 [ 424.092831] ? find_held_lock+0x36/0x1c0 [ 424.096917] ? get_signal+0x95b/0x1980 [ 424.100841] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.105354] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.109888] do_group_exit+0x177/0x440 [ 424.113796] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.119284] ? __ia32_sys_exit+0x50/0x50 [ 424.123368] get_signal+0x8b0/0x1980 [ 424.127113] ? ptrace_notify+0x130/0x130 [ 424.131192] ? finish_wait+0x430/0x430 [ 424.135097] ? graph_lock+0x170/0x170 [ 424.138926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.144480] ? pipe_read+0x702/0x940 [ 424.148215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.153777] do_signal+0x9c/0x21e0 [ 424.157351] ? __vfs_read+0x11f/0x9b0 [ 424.161175] ? vfs_copy_file_range+0xb90/0xb90 [ 424.165784] ? setup_sigcontext+0x7d0/0x7d0 [ 424.170248] ? exit_to_usermode_loop+0x8c/0x380 [ 424.175037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.180592] exit_to_usermode_loop+0x2e5/0x380 [ 424.185192] ? syscall_slow_exit_work+0x520/0x520 [ 424.190043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.195604] do_syscall_64+0x6be/0x820 [ 424.199505] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.204890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.209854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.214716] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.219752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.224794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.229684] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.234890] RIP: 0033:0x410fa0 [ 424.238100] Code: Bad RIP value. [ 424.241476] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 424.249196] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 424.256474] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 424.263751] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 424.271028] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 424.278303] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 424.285614] warn_alloc_show_mem: 1 callbacks suppressed [ 424.285626] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 424.285629] Mem-Info: [ 424.285660] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 424.285660] active_file:8 inactive_file:19 isolated_file:0 [ 424.285660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 424.285660] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 424.285660] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 424.285660] free:13766 free_pcp:526 free_cma:0 [ 424.291016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.298388] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 424.300799] Call Trace: [ 424.333787] Node 0 [ 424.343170] [ 424.370963] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 424.373539] dump_stack+0x1c4/0x2b4 [ 424.375754] lowmem_reserve[]: [ 424.377914] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.403518] 0 [ 424.407169] warn_alloc.cold.119+0xb7/0x1bd [ 424.410237] 2819 6323 [ 424.415441] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.417227] 6323 [ 424.421553] ? lock_downgrade+0x900/0x900 [ 424.428896] ? trace_hardirqs_off+0xb8/0x310 [ 424.430943] Node 0 [ 424.435101] ? trace_hardirqs_off+0xb8/0x310 [ 424.439515] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 424.441736] __alloc_pages_slowpath+0x2667/0x2d80 [ 424.446125] lowmem_reserve[]: [ 424.473323] ? warn_alloc+0x120/0x120 [ 424.478128] 0 [ 424.481244] ? trace_hardirqs_on+0x310/0x310 [ 424.485027] 0 [ 424.486858] ? warn_alloc+0x120/0x120 [ 424.491250] 3503 [ 424.493058] ? print_usage_bug+0xc0/0xc0 [ 424.496857] 3503 [ 424.498932] ? warn_alloc+0x120/0x120 [ 424.502978] Node 0 [ 424.505173] ? ktime_get+0x2e1/0x440 [ 424.509137] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 424.511352] ? print_usage_bug+0xc0/0xc0 [ 424.515044] lowmem_reserve[]: 0 [ 424.543614] ? __lock_acquire+0x7ec/0x4ec0 [ 424.547664] 0 [ 424.550946] ? __lock_acquire+0x7ec/0x4ec0 [ 424.555167] 0 [ 424.556978] ? kasan_check_read+0x11/0x20 [ 424.561190] 0 [ 424.563008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.567141] Node 0 [ 424.568951] ? should_fail+0x22d/0xd01 [ 424.574468] DMA: [ 424.576711] ? rcu_bh_qs+0xc0/0xc0 [ 424.580582] 1*4kB [ 424.582649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.586172] (U) [ 424.588332] ? __lock_acquire+0x7ec/0x4ec0 [ 424.593422] 0*8kB [ 424.595412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.599634] 0*16kB [ 424.601791] ? __lock_acquire+0x7ec/0x4ec0 [ 424.606883] 1*32kB [ 424.609129] ? should_fail+0x22d/0xd01 [ 424.613469] (U) [ 424.615717] ? rcu_idle_enter+0x4b0/0x4b0 [ 424.619586] 2*64kB [ 424.621573] ? mark_held_locks+0x130/0x130 [ 424.625699] (U) [ 424.627951] ? mark_held_locks+0x130/0x130 [ 424.632165] 1*128kB (U) [ 424.634160] ? mark_held_locks+0xc7/0x130 [ 424.638371] 1*256kB (U) [ 424.641069] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 424.645195] 0*512kB 1*1024kB [ 424.647880] ? graph_lock+0x170/0x170 [ 424.652892] (U) [ 424.656006] ? print_usage_bug+0xc0/0xc0 [ 424.659786] 1*2048kB (M) [ 424.661798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.665864] 3*4096kB (M) [ 424.668638] ? check_preemption_disabled+0x48/0x200 [ 424.674157] = 15908kB [ 424.676924] ? check_preemption_disabled+0x48/0x200 [ 424.681921] Node 0 [ 424.684343] ? __lock_is_held+0xb5/0x140 [ 424.689337] DMA32: [ 424.691583] __alloc_pages_nodemask+0xa80/0xde0 [ 424.695627] 3*4kB [ 424.697879] ? graph_lock+0x170/0x170 [ 424.702541] (M) [ 424.704705] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 424.708481] 2*8kB (UM) [ 424.710472] ? graph_lock+0x170/0x170 [ 424.715472] 2*16kB [ 424.718069] ? find_held_lock+0x36/0x1c0 [ 424.721856] (M) [ 424.724106] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.728141] 3*32kB (UM) [ 424.730138] ? lock_downgrade+0x900/0x900 [ 424.734784] 5*64kB (UM) [ 424.737501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.741621] 3*128kB (M) [ 424.744316] cache_grow_begin+0x91/0x8c0 [ 424.749853] 3*256kB (M) [ 424.752554] ? do_raw_spin_unlock+0xa7/0x2f0 [ 424.756592] 4*512kB [ 424.759275] fallback_alloc+0x203/0x2e0 [ 424.763660] (UM) [ 424.765996] ____cache_alloc_node+0x1c7/0x1e0 [ 424.769951] 3*1024kB [ 424.772026] kmem_cache_alloc_node+0xe3/0x730 [ 424.776506] (UM) [ 424.778924] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.783403] 3*2048kB [ 424.785477] __alloc_skb+0x119/0x770 [ 424.789692] (UM) [ 424.792116] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.795829] 3*4096kB [ 424.797904] ? skb_scrub_packet+0x490/0x490 [ 424.803164] (M) [ 424.805582] ? lock_downgrade+0x900/0x900 [ 424.809892] = 25180kB [ 424.811884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.816017] Node 0 [ 424.818433] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.823957] Normal: [ 424.826202] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.831637] 960*4kB [ 424.833970] ? addrconf_rs_timer+0x690/0x690 [ 424.839404] (MEH) [ 424.841748] ndisc_alloc_skb+0x144/0x340 [ 424.846259] 471*8kB (UME) [ 424.848429] ndisc_send_rs+0x331/0x6e0 [ 424.852470] 178*16kB (ME) [ 424.855333] addrconf_rs_timer+0x314/0x690 [ 424.859202] 44*32kB [ 424.862065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.866284] (UME) [ 424.868624] call_timer_fn+0x272/0x920 [ 424.872851] 1*64kB [ 424.875011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.878884] (U) [ 424.881134] ? process_timeout+0x40/0x40 [ 424.885356] 0*128kB [ 424.887347] ? find_held_lock+0x36/0x1c0 [ 424.891565] 0*256kB [ 424.893903] ? __run_timers+0x7da/0xc70 [ 424.897944] 2*512kB [ 424.900281] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.904236] (U) [ 424.906565] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.911044] 1*1024kB [ 424.913025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.917503] (U) [ 424.919923] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.924147] 0*2048kB [ 424.926134] ? trace_hardirqs_on+0xbd/0x310 [ 424.930700] 0*4096kB [ 424.933116] ? kasan_check_read+0x11/0x20 [ 424.937424] = 13976kB [ 424.939861] ? __run_timers+0x7da/0xc70 [ 424.943999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.946420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.950392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.959239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.964676] 2889 total pagecache pages [ 424.973263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.977489] 0 pages in swap cache [ 424.981387] __run_timers+0x7e5/0xc70 [ 424.985602] Swap cache stats: add 0, delete 0, find 0/0 [ 424.989067] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.992859] Free swap = 0kB [ 424.998234] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.003576] Total swap = 0kB [ 425.006601] ? rcu_bh_qs+0xc0/0xc0 [ 425.011863] 1965979 pages RAM [ 425.014887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.018421] 0 pages HighMem/MovableOnly [ 425.021540] ? check_preemption_disabled+0x48/0x200 [ 425.027057] 342306 pages reserved [ 425.027065] 0 pages cma reserved [ 425.031052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.036129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.039508] ? retint_kernel+0x2d/0x2d [ 425.039523] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.039540] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.039556] ? trace_hardirqs_off+0x310/0x310 [ 425.043055] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.047747] ? check_preemption_disabled+0x48/0x200 [ 425.054313] syz-executor1 cpuset= [ 425.058210] ? graph_lock+0x170/0x170 [ 425.063121] syz1 [ 425.067901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.072393] mems_allowed=0 [ 425.082906] ? check_preemption_disabled+0x48/0x200 [ 425.110628] ? __lock_is_held+0xb5/0x140 [ 425.114709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.120265] ? check_preemption_disabled+0x48/0x200 [ 425.125305] run_timer_softirq+0x52/0xb0 [ 425.129397] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.134435] __do_softirq+0x30b/0xad8 [ 425.138260] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.143389] ? pvclock_read_flags+0x160/0x160 [ 425.147903] ? lapic_next_event+0x5a/0x90 [ 425.152068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.157620] ? check_preemption_disabled+0x48/0x200 [ 425.162652] ? check_preemption_disabled+0x48/0x200 [ 425.167688] ? kvm_clock_read+0x18/0x30 [ 425.171676] ? kvm_sched_clock_read+0x9/0x20 [ 425.176102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.181654] ? check_preemption_disabled+0x48/0x200 [ 425.186696] irq_exit+0x17f/0x1c0 [ 425.190168] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.195019] ? smp_reschedule_interrupt+0x109/0x650 [ 425.200047] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.205950] ? interrupt_entry+0xb5/0xf0 [ 425.210029] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.215055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.220084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.224941] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.229969] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.235003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.240558] ? check_preemption_disabled+0x48/0x200 [ 425.245587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.251149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.256011] apic_timer_interrupt+0xf/0x20 [ 425.260255] [ 425.262506] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.267448] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 425.286453] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 425.294184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 425.301464] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 425.308747] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 425.316169] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 425.323448] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 425.330785] skb_clone+0x1bb/0x500 [ 425.334369] ? finish_task_switch+0x2f5/0x900 [ 425.338887] ? skb_split+0x11e0/0x11e0 [ 425.342790] ? preempt_notifier_register+0x200/0x200 [ 425.347938] ? __switch_to_asm+0x34/0x70 [ 425.352014] ? __switch_to_asm+0x34/0x70 [ 425.356088] ? __switch_to_asm+0x40/0x70 [ 425.360158] ? __switch_to_asm+0x34/0x70 [ 425.364228] ? __switch_to_asm+0x40/0x70 [ 425.368303] ? __switch_to_asm+0x34/0x70 [ 425.372383] ? __switch_to_asm+0x40/0x70 [ 425.376456] ? __switch_to_asm+0x34/0x70 [ 425.380532] ? __switch_to_asm+0x34/0x70 [ 425.384602] ? __switch_to_asm+0x40/0x70 [ 425.388679] ? __switch_to_asm+0x34/0x70 [ 425.392763] bpf_clone_redirect+0xb9/0x490 [ 425.397031] ? __schedule+0x874/0x1ed0 [ 425.400940] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 425.405979] ? __sched_text_start+0x8/0x8 [ 425.410147] ? retint_kernel+0x2d/0x2d [ 425.414111] ? find_held_lock+0x36/0x1c0 [ 425.418193] ? lock_acquire+0x1ed/0x520 [ 425.422182] ? bpf_test_run+0x3cb/0x780 [ 425.426172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.431729] ? check_preemption_disabled+0x48/0x200 [ 425.436767] ? kasan_check_read+0x11/0x20 [ 425.440933] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.446223] ? rcu_bh_qs+0xc0/0xc0 [ 425.449776] ? preempt_schedule+0x4d/0x60 [ 425.453960] ? ___preempt_schedule+0x16/0x18 [ 425.458392] ? bpf_test_run+0x25d/0x780 [ 425.462399] ? netlink_diag_dump+0x2a0/0x2a0 [ 425.466851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.472407] ? bpf_test_init.isra.9+0x70/0x100 [ 425.477007] ? bpf_prog_test_run_skb+0x634/0xb40 [ 425.481782] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 425.486656] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.492209] ? fput+0x130/0x1a0 [ 425.495504] ? __bpf_prog_get+0x9b/0x290 [ 425.499579] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 425.504432] ? bpf_prog_test_run+0x130/0x1a0 [ 425.508873] ? __x64_sys_bpf+0x3d8/0x510 [ 425.512951] ? bpf_prog_get+0x20/0x20 [ 425.516786] ? do_syscall_64+0x1b9/0x820 [ 425.520881] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 425.526264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.531211] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.536241] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 425.541270] ? recalc_sigpending_tsk+0x180/0x180 [ 425.546044] ? kasan_check_write+0x14/0x20 [ 425.550295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.555165] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 425.560564] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 425.560650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.567864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.567870] Call Trace: [ 425.567883] [ 425.567902] dump_stack+0x1c4/0x2b4 [ 425.567920] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.574468] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.583888] warn_alloc.cold.119+0xb7/0x1bd [ 425.586448] syz-executor2 cpuset= [ 425.588605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.592218] syz2 [ 425.597414] ? lock_downgrade+0x900/0x900 [ 425.607973] mems_allowed=0 [ 425.629784] ? trace_hardirqs_off+0xb8/0x310 [ 425.634232] ? trace_hardirqs_off+0xb8/0x310 [ 425.638664] __alloc_pages_slowpath+0x2667/0x2d80 [ 425.643554] ? warn_alloc+0x120/0x120 [ 425.647465] ? warn_alloc+0x120/0x120 [ 425.651285] ? print_usage_bug+0xc0/0xc0 [ 425.655361] ? warn_alloc+0x120/0x120 [ 425.659175] ? print_usage_bug+0xc0/0xc0 [ 425.663257] ? __lock_acquire+0x7ec/0x4ec0 [ 425.667505] ? __lock_acquire+0x7ec/0x4ec0 [ 425.671754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.677306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.682885] ? should_fail+0x22d/0xd01 [ 425.686789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.691923] ? __lock_acquire+0x7ec/0x4ec0 [ 425.696178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.701340] ? __lock_acquire+0x7ec/0x4ec0 [ 425.705584] ? should_fail+0x22d/0xd01 [ 425.709494] ? mark_held_locks+0x130/0x130 [ 425.713744] ? mark_held_locks+0x130/0x130 [ 425.717996] ? graph_lock+0x170/0x170 [ 425.721834] ? print_usage_bug+0xc0/0xc0 [ 425.725997] ? graph_lock+0x170/0x170 [ 425.729902] ? print_usage_bug+0xc0/0xc0 [ 425.734035] ? wq_watchdog_touch+0x9c/0xfe [ 425.738289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.743861] ? check_preemption_disabled+0x48/0x200 [ 425.748900] ? check_preemption_disabled+0x48/0x200 [ 425.753942] ? __lock_is_held+0xb5/0x140 [ 425.758025] __alloc_pages_nodemask+0xa80/0xde0 [ 425.762706] ? graph_lock+0x170/0x170 [ 425.766524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.771549] ? graph_lock+0x170/0x170 [ 425.775373] ? find_held_lock+0x36/0x1c0 [ 425.779461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.784146] ? lock_downgrade+0x900/0x900 [ 425.788317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.793966] cache_grow_begin+0x91/0x8c0 [ 425.798050] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.802483] fallback_alloc+0x203/0x2e0 [ 425.806478] ____cache_alloc_node+0x1c7/0x1e0 [ 425.810996] kmem_cache_alloc_node+0xe3/0x730 [ 425.815592] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.819868] __alloc_skb+0x119/0x770 [ 425.823603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.828909] ? skb_scrub_packet+0x490/0x490 [ 425.833246] ? lock_downgrade+0x900/0x900 [ 425.837419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.842973] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.848440] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.853971] ? addrconf_rs_timer+0x690/0x690 [ 425.858403] ndisc_alloc_skb+0x144/0x340 [ 425.862486] ndisc_send_rs+0x331/0x6e0 [ 425.866389] addrconf_rs_timer+0x314/0x690 [ 425.870642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.874921] call_timer_fn+0x272/0x920 [ 425.878840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.883125] ? process_timeout+0x40/0x40 [ 425.887199] ? find_held_lock+0x36/0x1c0 [ 425.891418] ? mark_held_locks+0xc7/0x130 [ 425.895583] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.900092] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.904601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.908868] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 425.913495] ? trace_hardirqs_on+0xbd/0x310 [ 425.917848] ? kasan_check_read+0x11/0x20 [ 425.922019] ? __run_timers+0x7da/0xc70 [ 425.926010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.931479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.935737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.939992] __run_timers+0x7e5/0xc70 [ 425.943851] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.949242] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.954715] ? graph_lock+0x170/0x170 [ 425.958552] ? print_usage_bug+0xc0/0xc0 [ 425.962623] ? lock_release+0x970/0x970 [ 425.966617] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.971854] ? find_held_lock+0x36/0x1c0 [ 425.975948] ? graph_lock+0x170/0x170 [ 425.979776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.985347] ? check_preemption_disabled+0x48/0x200 [ 425.990483] ? __lock_is_held+0xb5/0x140 [ 425.994560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.000113] ? check_preemption_disabled+0x48/0x200 [ 426.005292] run_timer_softirq+0x52/0xb0 [ 426.009369] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.014405] __do_softirq+0x30b/0xad8 [ 426.018241] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.023364] ? pvclock_read_flags+0x160/0x160 [ 426.027883] ? lapic_next_event+0x5a/0x90 [ 426.032046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.037604] ? check_preemption_disabled+0x48/0x200 [ 426.042639] ? check_preemption_disabled+0x48/0x200 [ 426.047684] ? kvm_clock_read+0x18/0x30 [ 426.051734] ? kvm_sched_clock_read+0x9/0x20 [ 426.056221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.061779] ? check_preemption_disabled+0x48/0x200 [ 426.066902] irq_exit+0x17f/0x1c0 [ 426.070380] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.075237] ? smp_reschedule_interrupt+0x109/0x650 [ 426.080276] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.086595] ? interrupt_entry+0xb5/0xf0 [ 426.090677] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.095793] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.100866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.105728] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.110754] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.115788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.121361] ? check_preemption_disabled+0x48/0x200 [ 426.126393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.131974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.136875] apic_timer_interrupt+0xf/0x20 [ 426.141127] [ 426.143383] RIP: 0010:console_unlock+0xfdf/0x1160 [ 426.148248] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 426.167177] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.174926] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 426.182224] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 426.189528] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 426.196855] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 426.204166] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 426.211482] ? netconsole_netdev_event+0x280/0x280 [ 426.216448] ? console_unlock+0xfd6/0x1160 [ 426.220734] ? devkmsg_read+0xbb0/0xbb0 [ 426.224731] ? vprintk_emit+0x7f7/0x930 [ 426.228734] ? lock_release+0x970/0x970 [ 426.232733] ? trace_hardirqs_on+0x10/0x310 [ 426.237083] ? vprintk_default+0x28/0x30 [ 426.241167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.246665] ? kasan_check_write+0x14/0x20 [ 426.250923] ? do_raw_spin_lock+0xc1/0x200 [ 426.255186] vprintk_emit+0x33d/0x930 [ 426.259010] ? wake_up_klogd+0x180/0x180 [ 426.263100] ? find_held_lock+0x36/0x1c0 [ 426.267185] ? mark_held_locks+0xc7/0x130 [ 426.271356] vprintk_default+0x28/0x30 [ 426.275263] vprintk_func+0x7e/0x181 [ 426.278994] printk+0xa7/0xcf [ 426.282116] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 426.286894] ? kasan_check_write+0x14/0x20 [ 426.291145] ? do_raw_spin_lock+0xc1/0x200 [ 426.295408] show_free_areas.cold.120+0x1b8e/0x215d [ 426.300547] ? si_meminfo_node+0x260/0x260 [ 426.304891] ? __lock_acquire+0x7ec/0x4ec0 [ 426.309147] ? __lock_acquire+0x7ec/0x4ec0 [ 426.313393] ? __lock_acquire+0x7ec/0x4ec0 [ 426.317643] ? kasan_check_write+0x14/0x20 [ 426.321900] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 426.327721] ? mark_held_locks+0x130/0x130 [ 426.331970] ? mark_held_locks+0x130/0x130 [ 426.336221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.341774] ? graph_lock+0x170/0x170 [ 426.345595] ? put_dec+0x3b/0xf0 [ 426.348980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.354528] ? number+0x972/0xca0 [ 426.357995] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 426.363032] ? find_held_lock+0x36/0x1c0 [ 426.367119] ? serial8250_console_write+0x8b3/0xb10 [ 426.372154] ? lock_downgrade+0x900/0x900 [ 426.376319] ? graph_lock+0x170/0x170 [ 426.380131] ? graph_lock+0x170/0x170 [ 426.383944] ? print_usage_bug+0xc0/0xc0 [ 426.388015] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.392438] ? trace_hardirqs_on+0x310/0x310 [ 426.396890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.402444] ? wq_watchdog_touch+0x9c/0xfe [ 426.406696] ? io_serial_in+0x11/0x90 [ 426.410529] ? find_held_lock+0x36/0x1c0 [ 426.414613] ? mark_held_locks+0xc7/0x130 [ 426.418780] ? console_unlock+0xfaa/0x1160 [ 426.423048] ? console_unlock+0xfaa/0x1160 [ 426.427306] ? lockdep_hardirqs_on+0x421/0x5c0 [ 426.431919] ? vprintk_emit+0x33d/0x930 [ 426.435925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.441390] ? kasan_check_write+0x14/0x20 [ 426.445644] ? do_raw_spin_lock+0xc1/0x200 [ 426.449905] ? netconsole_netdev_event+0x280/0x280 [ 426.454869] ? console_unlock+0x9ba/0x1160 [ 426.459134] ? devkmsg_read+0xbb0/0xbb0 [ 426.463216] ? lock_release+0x970/0x970 [ 426.467316] ? preempt_count_add+0x7d/0x160 [ 426.471651] ? wake_up_klogd+0x11a/0x180 [ 426.475727] ? console_device+0xc0/0xc0 [ 426.479727] ? vprintk_emit+0x268/0x930 [ 426.483722] ? wake_up_klogd+0x180/0x180 [ 426.487793] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.492582] ? trace_hardirqs_off+0x310/0x310 [ 426.497095] ? retint_kernel+0x1b/0x2d [ 426.500994] ? trace_hardirqs_on+0x310/0x310 [ 426.505431] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.510212] ? retint_kernel+0x2d/0x2d [ 426.514126] ? arch_local_irq_restore+0x45/0x52 [ 426.518846] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 426.523899] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 426.528684] ? show_mem+0x1e/0x17b [ 426.532251] show_mem+0x34/0x17b [ 426.535637] dump_header+0x2f1/0xf72 [ 426.539373] ? pagefault_out_of_memory+0x197/0x197 [ 426.544331] ? __lock_acquire+0x7ec/0x4ec0 [ 426.548671] ? print_usage_bug+0xc0/0xc0 [ 426.552926] ? graph_lock+0x170/0x170 [ 426.556739] ? print_usage_bug+0xc0/0xc0 [ 426.560830] ? print_usage_bug+0xc0/0xc0 [ 426.564927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.570482] ? find_held_lock+0x36/0x1c0 [ 426.574568] ? mark_held_locks+0xc7/0x130 [ 426.578738] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.583872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.588997] ? lockdep_hardirqs_on+0x421/0x5c0 [ 426.593597] ? trace_hardirqs_on+0xbd/0x310 [ 426.597932] ? kasan_check_read+0x11/0x20 [ 426.602092] ? ___ratelimit+0x36f/0x655 [ 426.606084] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.611565] ? trace_hardirqs_on+0x310/0x310 [ 426.615986] ? lock_downgrade+0x900/0x900 [ 426.620158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.625276] ? ___ratelimit+0xaa/0x655 [ 426.629183] ? idr_get_free+0xec0/0xec0 [ 426.633174] ? kasan_check_write+0x14/0x20 [ 426.637436] ? do_raw_spin_lock+0xc1/0x200 [ 426.641695] oom_kill_process.cold.27+0x10/0x903 [ 426.646471] ? graph_lock+0x170/0x170 [ 426.650298] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.656109] ? kasan_check_read+0x11/0x20 [ 426.660275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.665573] ? oom_evaluate_task+0x540/0x540 [ 426.670008] ? find_held_lock+0x36/0x1c0 [ 426.674096] ? out_of_memory+0x974/0x1430 [ 426.678264] ? lock_downgrade+0x900/0x900 [ 426.682427] ? check_preemption_disabled+0x48/0x200 [ 426.687467] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.693283] ? kasan_check_read+0x11/0x20 [ 426.697450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.702740] ? rcu_bh_qs+0xc0/0xc0 [ 426.706302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.711867] ? oom_evaluate_task+0x302/0x540 [ 426.716304] out_of_memory+0xa84/0x1430 [ 426.720303] ? oom_killer_disable+0x3a0/0x3a0 [ 426.724829] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 426.729785] ? __mutex_add_waiter+0x2a0/0x2a0 [ 426.734328] __alloc_pages_slowpath+0x2318/0x2d80 [ 426.739220] ? warn_alloc+0x120/0x120 [ 426.743043] ? trace_hardirqs_on+0x310/0x310 [ 426.747471] ? print_usage_bug+0xc0/0xc0 [ 426.751546] ? warn_alloc+0x120/0x120 [ 426.755448] ? print_usage_bug+0xc0/0xc0 [ 426.759529] ? print_usage_bug+0xc0/0xc0 [ 426.763602] ? free_one_page+0x1700/0x1700 [ 426.767883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.773438] ? should_fail+0x22d/0xd01 [ 426.777348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.782468] ? __lock_acquire+0x7ec/0x4ec0 [ 426.786753] ? __lock_is_held+0xb5/0x140 [ 426.790860] ? graph_lock+0x170/0x170 [ 426.794681] ? ___might_sleep+0x1ed/0x300 [ 426.798863] ? lock_release+0x970/0x970 [ 426.802886] ? arch_local_save_flags+0x40/0x40 [ 426.807498] ? __might_sleep+0x95/0x190 [ 426.811491] __alloc_pages_nodemask+0xa80/0xde0 [ 426.816173] ? graph_lock+0x170/0x170 [ 426.819994] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.825025] ? graph_lock+0x170/0x170 [ 426.828874] ? mark_held_locks+0xc7/0x130 [ 426.833047] ? find_held_lock+0x36/0x1c0 [ 426.837134] ? cache_grow_begin+0x5a4/0x8c0 [ 426.841467] ? lockdep_hardirqs_on+0x421/0x5c0 [ 426.846069] ? trace_hardirqs_on+0xbd/0x310 [ 426.850407] ? fallback_alloc+0x203/0x2e0 [ 426.854674] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.860144] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.865703] cache_grow_begin+0x91/0x8c0 [ 426.869780] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.874228] fallback_alloc+0x203/0x2e0 [ 426.878225] ____cache_alloc_node+0x1c7/0x1e0 [ 426.882854] kmem_cache_alloc_node_trace+0xe7/0x740 [ 426.887911] __kmalloc_node_track_caller+0x33/0x70 [ 426.892882] __kmalloc_reserve.isra.39+0x41/0xe0 [ 426.897654] __alloc_skb+0x155/0x770 [ 426.901389] ? skb_scrub_packet+0x490/0x490 [ 426.905729] ? if_nlmsg_size+0x5d1/0xbb0 [ 426.909834] ? nla_put_ifalias+0x170/0x170 [ 426.914108] ? sk_psock_stop_strp+0x120/0x120 [ 426.918617] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.923648] ? netif_tx_stop_all_queues+0xd9/0x110 [ 426.928595] rtmsg_ifinfo_build_skb+0x74/0x190 [ 426.933249] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 426.938110] rtmsg_ifinfo+0x8c/0xa0 [ 426.941760] dev_close_many+0x3be/0x860 [ 426.945760] ? netdev_master_upper_dev_link+0x50/0x50 [ 426.950970] ? find_held_lock+0x36/0x1c0 [ 426.955057] ? __queue_work+0x6be/0x1440 [ 426.959130] ? lock_downgrade+0x900/0x900 [ 426.963299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.968871] ? rtnl_is_locked+0xb5/0xf0 [ 426.972892] ? rtnl_trylock+0x20/0x20 [ 426.976710] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.981132] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.985733] rollback_registered_many+0x543/0x1210 [ 426.990682] ? generic_xdp_install+0x4c0/0x4c0 [ 426.995284] ? max_active_store+0x170/0x170 [ 426.999622] ? graph_lock+0x170/0x170 [ 427.003443] ? print_usage_bug+0xc0/0xc0 [ 427.007623] ? print_usage_bug+0xc0/0xc0 [ 427.011699] ? __debug_object_init+0x57d/0x1290 [ 427.016385] ? graph_lock+0x170/0x170 [ 427.020260] ? print_usage_bug+0xc0/0xc0 [ 427.024339] ? find_held_lock+0x36/0x1c0 [ 427.028475] ? mark_held_locks+0xc7/0x130 [ 427.032646] rollback_registered+0x1e9/0x420 [ 427.037066] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 427.041659] ? rollback_registered_many+0x1210/0x1210 [ 427.046874] ? trace_hardirqs_on+0xbd/0x310 [ 427.051220] ? linkwatch_schedule_work+0x150/0x170 [ 427.056162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.061632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.067185] ? rtnl_is_locked+0xb5/0xf0 [ 427.071178] ? rtnl_trylock+0x20/0x20 [ 427.074995] ? queue_delayed_work_on+0x130/0x1f0 [ 427.079768] unregister_netdevice_queue+0x321/0x5e0 [ 427.084803] ? rollback_registered+0x420/0x420 [ 427.089510] ? linkwatch_schedule_work+0x170/0x170 [ 427.094454] ? tun_show_owner+0x170/0x170 [ 427.098620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.104175] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 427.109554] ? __tun_detach+0x6ba/0x15c0 [ 427.113635] __tun_detach+0x11b8/0x15c0 [ 427.117626] ? __call_rcu.constprop.69+0x429/0xbc0 [ 427.122581] ? tun_attach+0x1900/0x1900 [ 427.126571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.132125] ? check_preemption_disabled+0x48/0x200 [ 427.137164] ? graph_lock+0x170/0x170 [ 427.140981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.146537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.152094] ? locks_remove_file+0x3c6/0x5c0 [ 427.156521] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.162076] ? ima_file_free+0x132/0x650 [ 427.166160] ? __lock_is_held+0xb5/0x140 [ 427.170236] ? __tun_detach+0x15c0/0x15c0 [ 427.174404] ? __tun_detach+0x15c0/0x15c0 [ 427.178567] tun_chr_close+0xe3/0x180 [ 427.182384] __fput+0x385/0xa30 [ 427.185683] ? get_max_files+0x20/0x20 [ 427.189628] ? ___might_sleep+0x1ed/0x300 [ 427.193793] ? arch_local_save_flags+0x40/0x40 [ 427.198463] ____fput+0x15/0x20 [ 427.201759] task_work_run+0x1e8/0x2a0 [ 427.205664] ? task_work_cancel+0x240/0x240 [ 427.210006] ? switch_task_namespaces+0xb8/0xd0 [ 427.214692] do_exit+0x1ad7/0x2610 [ 427.218258] ? mm_update_next_owner+0x990/0x990 [ 427.222939] ? print_usage_bug+0xc0/0xc0 [ 427.227014] ? perf_trace_lock+0x14d/0x7a0 [ 427.231280] ? __lock_acquire+0x7ec/0x4ec0 [ 427.235529] ? find_held_lock+0x36/0x1c0 [ 427.239631] ? __lock_acquire+0x7ec/0x4ec0 [ 427.243892] ? mark_held_locks+0x130/0x130 [ 427.248143] ? lock_acquire+0x1ed/0x520 [ 427.252137] ? mark_held_locks+0x130/0x130 [ 427.256387] ? arch_local_save_flags+0x40/0x40 [ 427.260981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.266551] ? __mutex_lock+0x85e/0x1700 [ 427.270626] ? __switch_to_asm+0x40/0x70 [ 427.274696] ? __switch_to_asm+0x34/0x70 [ 427.278771] ? pipe_wait+0x266/0x2c0 [ 427.282508] ? mutex_trylock+0x2b0/0x2b0 [ 427.286596] ? graph_lock+0x170/0x170 [ 427.290409] ? find_held_lock+0x36/0x1c0 [ 427.294490] ? memset+0x31/0x40 [ 427.297787] ? find_held_lock+0x36/0x1c0 [ 427.301899] ? get_signal+0x95b/0x1980 [ 427.305830] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.310339] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.314873] do_group_exit+0x177/0x440 [ 427.318787] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.324270] ? __ia32_sys_exit+0x50/0x50 [ 427.328357] get_signal+0x8b0/0x1980 [ 427.332094] ? ptrace_notify+0x130/0x130 [ 427.336175] ? finish_wait+0x430/0x430 [ 427.340081] ? graph_lock+0x170/0x170 [ 427.343916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.349554] ? pipe_read+0x702/0x940 [ 427.353285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.358867] do_signal+0x9c/0x21e0 [ 427.362431] ? __vfs_read+0x11f/0x9b0 [ 427.366252] ? vfs_copy_file_range+0xb90/0xb90 [ 427.370864] ? setup_sigcontext+0x7d0/0x7d0 [ 427.375223] ? exit_to_usermode_loop+0x8c/0x380 [ 427.379931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.385488] exit_to_usermode_loop+0x2e5/0x380 [ 427.390090] ? syscall_slow_exit_work+0x520/0x520 [ 427.394947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.400508] do_syscall_64+0x6be/0x820 [ 427.404412] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.409791] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.414750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.419609] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.424642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.429678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.434546] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.439751] RIP: 0033:0x410fa0 [ 427.442961] Code: Bad RIP value. [ 427.446334] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 427.454054] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 427.461327] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 427.468609] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 427.475886] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 427.483157] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 427.490452] warn_alloc_show_mem: 1 callbacks suppressed [ 427.490465] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 427.490467] Mem-Info: [ 427.490499] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 427.490499] active_file:8 inactive_file:19 isolated_file:0 [ 427.490499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.490499] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 427.490499] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 427.490499] free:13766 free_pcp:526 free_cma:0 [ 427.495842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.495851] Call Trace: [ 427.503216] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.505615] [ 427.538582] Node 0 [ 427.547957] dump_stack+0x1c4/0x2b4 [ 427.550530] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.578285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.580407] lowmem_reserve[]: 0 [ 427.582668] warn_alloc.cold.119+0xb7/0x1bd [ 427.586254] 2819 [ 427.611778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.616943] 6323 [ 427.620228] ? lock_downgrade+0x900/0x900 [ 427.624523] 6323 [ 427.626591] ? trace_hardirqs_off+0xb8/0x310 [ 427.633488] ? trace_hardirqs_off+0xb8/0x310 [ 427.637612] Node 0 [ 427.639680] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.644096] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 427.648504] ? warn_alloc+0x120/0x120 [ 427.650733] lowmem_reserve[]: [ 427.655596] ? warn_alloc+0x120/0x120 [ 427.682721] 0 [ 427.686540] ? print_usage_bug+0xc0/0xc0 [ 427.689640] 0 [ 427.693444] ? warn_alloc+0x120/0x120 [ 427.695238] 3503 3503 [ 427.699317] ? print_usage_bug+0xc0/0xc0 [ 427.704917] ? __lock_acquire+0x7ec/0x4ec0 [ 427.707403] Node 0 [ 427.711471] ? __lock_acquire+0x7ec/0x4ec0 [ 427.715781] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 427.718007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.722216] lowmem_reserve[]: 0 [ 427.750904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.756428] 0 [ 427.759721] ? should_fail+0x22d/0xd01 [ 427.765235] 0 0 [ 427.767053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.772999] ? __lock_acquire+0x7ec/0x4ec0 [ 427.778085] Node 0 DMA: [ 427.782326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.782342] ? __lock_acquire+0x7ec/0x4ec0 [ 427.785004] 1*4kB [ 427.790199] ? should_fail+0x22d/0xd01 [ 427.794419] (U) [ 427.796583] ? mark_held_locks+0x130/0x130 [ 427.800450] 0*8kB [ 427.802431] ? mark_held_locks+0x130/0x130 [ 427.806655] 0*16kB [ 427.808807] ? graph_lock+0x170/0x170 [ 427.813166] 1*32kB [ 427.815413] ? print_usage_bug+0xc0/0xc0 [ 427.819201] (U) [ 427.821443] ? graph_lock+0x170/0x170 [ 427.825492] 2*64kB [ 427.827476] ? print_usage_bug+0xc0/0xc0 [ 427.831269] (U) [ 427.833513] ? wq_watchdog_touch+0x9c/0xfe [ 427.837556] 1*128kB (U) [ 427.839550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.843760] 1*256kB (U) [ 427.846451] ? check_preemption_disabled+0x48/0x200 [ 427.852016] 0*512kB 1*1024kB [ 427.854708] ? check_preemption_disabled+0x48/0x200 [ 427.859703] (U) 1*2048kB [ 427.862854] ? __lock_is_held+0xb5/0x140 [ 427.867860] (M) 3*4096kB [ 427.870638] __alloc_pages_nodemask+0xa80/0xde0 [ 427.874678] (M) = 15908kB [ 427.877449] ? graph_lock+0x170/0x170 [ 427.882112] Node 0 [ 427.885048] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.888853] DMA32: [ 427.891100] ? graph_lock+0x170/0x170 [ 427.896102] 3*4kB [ 427.898356] ? find_held_lock+0x36/0x1c0 [ 427.902185] (M) [ 427.904349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.908382] 2*8kB (UM) [ 427.910377] ? lock_downgrade+0x900/0x900 [ 427.915026] 2*16kB (M) [ 427.917633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.921754] 3*32kB (UM) [ 427.924355] cache_grow_begin+0x91/0x8c0 [ 427.929877] 5*64kB [ 427.932561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 427.936600] (UM) 3*128kB [ 427.938876] fallback_alloc+0x203/0x2e0 [ 427.943260] (M) 3*256kB [ 427.946038] ____cache_alloc_node+0x1c7/0x1e0 [ 427.950444] (M) 4*512kB [ 427.953141] kmem_cache_alloc_node+0xe3/0x730 [ 427.957621] (UM) [ 427.960393] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.964860] 3*1024kB [ 427.966936] __alloc_skb+0x119/0x770 [ 427.971148] (UM) [ 427.973572] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.977274] 3*2048kB [ 427.979344] ? skb_scrub_packet+0x490/0x490 [ 427.984602] (UM) [ 427.987019] ? lock_downgrade+0x900/0x900 [ 427.991324] 3*4096kB [ 427.993401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.997523] (M) [ 427.999946] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.005466] = 25180kB [ 428.007450] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.012894] Node 0 [ 428.015309] ? addrconf_rs_timer+0x690/0x690 [ 428.020742] Normal: [ 428.022992] ndisc_alloc_skb+0x144/0x340 [ 428.027390] 960*4kB [ 428.029853] ndisc_send_rs+0x331/0x6e0 [ 428.033908] (MEH) [ 428.036333] addrconf_rs_timer+0x314/0x690 [ 428.040284] 471*8kB (UME) [ 428.042451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.046670] 178*16kB [ 428.049534] call_timer_fn+0x272/0x920 [ 428.053742] (ME) [ 428.056160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.060034] 44*32kB [ 428.062105] ? process_timeout+0x40/0x40 [ 428.066328] (UME) 1*64kB [ 428.068671] ? find_held_lock+0x36/0x1c0 [ 428.072719] (U) [ 428.075486] ? __run_timers+0x7da/0xc70 [ 428.079535] 0*128kB [ 428.082017] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.085980] 0*256kB 2*512kB [ 428.088325] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.092806] (U) [ 428.095870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.100350] 1*1024kB (U) [ 428.102351] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.106566] 0*2048kB 0*4096kB [ 428.109340] ? trace_hardirqs_on+0xbd/0x310 [ 428.113907] = 13976kB [ 428.117113] ? kasan_check_read+0x11/0x20 [ 428.121428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.123861] ? __run_timers+0x7da/0xc70 [ 428.128005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.136874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.140862] 2889 total pagecache pages [ 428.149455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.154916] 0 pages in swap cache [ 428.158842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.163065] Swap cache stats: add 0, delete 0, find 0/0 [ 428.163075] Free swap = 0kB [ 428.166547] __run_timers+0x7e5/0xc70 [ 428.170927] Total swap = 0kB [ 428.170936] 1965979 pages RAM [ 428.176328] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.179324] 0 pages HighMem/MovableOnly [ 428.179333] 342306 pages reserved [ 428.183152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.186148] 0 pages cma reserved [ 428.186271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.189428] ? rcu_bh_qs+0xc0/0xc0 [ 428.189444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.189459] ? check_preemption_disabled+0x48/0x200 [ 428.189482] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 428.189502] ? retint_kernel+0x2d/0x2d [ 428.195138] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.198997] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.202442] syz-executor1 cpuset= [ 428.207791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 428.211149] syz1 [ 428.217765] ? trace_hardirqs_off+0x310/0x310 [ 428.221299] mems_allowed=0 [ 428.226870] ? check_preemption_disabled+0x48/0x200 [ 428.278518] ? graph_lock+0x170/0x170 [ 428.282341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.287896] ? check_preemption_disabled+0x48/0x200 [ 428.293025] ? __lock_is_held+0xb5/0x140 [ 428.297100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.302651] ? check_preemption_disabled+0x48/0x200 [ 428.307690] run_timer_softirq+0x52/0xb0 [ 428.311894] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.316927] __do_softirq+0x30b/0xad8 [ 428.320751] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.325892] ? pvclock_read_flags+0x160/0x160 [ 428.330403] ? lapic_next_event+0x5a/0x90 [ 428.334566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.340170] ? check_preemption_disabled+0x48/0x200 [ 428.345200] ? check_preemption_disabled+0x48/0x200 [ 428.350238] ? kvm_clock_read+0x18/0x30 [ 428.354227] ? kvm_sched_clock_read+0x9/0x20 [ 428.358739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.364335] ? check_preemption_disabled+0x48/0x200 [ 428.369391] irq_exit+0x17f/0x1c0 [ 428.372880] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.377734] ? smp_reschedule_interrupt+0x109/0x650 [ 428.382762] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.388664] ? interrupt_entry+0xb5/0xf0 [ 428.392740] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.397766] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.402797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.407674] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.412701] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.417730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.423286] ? check_preemption_disabled+0x48/0x200 [ 428.428419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.433978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.438864] apic_timer_interrupt+0xf/0x20 [ 428.443112] [ 428.445368] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.450320] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 428.469233] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.476955] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.484234] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 428.491512] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 428.498794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.506098] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 428.513438] skb_clone+0x1bb/0x500 [ 428.516997] ? finish_task_switch+0x2f5/0x900 [ 428.521508] ? skb_split+0x11e0/0x11e0 [ 428.525418] ? preempt_notifier_register+0x200/0x200 [ 428.530660] ? __switch_to_asm+0x34/0x70 [ 428.534743] ? __switch_to_asm+0x34/0x70 [ 428.538846] ? __switch_to_asm+0x40/0x70 [ 428.542927] ? __switch_to_asm+0x34/0x70 [ 428.547006] ? __switch_to_asm+0x40/0x70 [ 428.551087] ? __switch_to_asm+0x34/0x70 [ 428.555160] ? __switch_to_asm+0x40/0x70 [ 428.559234] ? __switch_to_asm+0x34/0x70 [ 428.563311] ? __switch_to_asm+0x34/0x70 [ 428.567377] ? __switch_to_asm+0x40/0x70 [ 428.571458] ? __switch_to_asm+0x34/0x70 [ 428.575554] bpf_clone_redirect+0xb9/0x490 [ 428.579834] ? __schedule+0x874/0x1ed0 [ 428.583748] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 428.588788] ? __sched_text_start+0x8/0x8 [ 428.593074] ? retint_kernel+0x2d/0x2d [ 428.596986] ? find_held_lock+0x36/0x1c0 [ 428.601069] ? lock_acquire+0x1ed/0x520 [ 428.605056] ? bpf_test_run+0x3cb/0x780 [ 428.609046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.614598] ? check_preemption_disabled+0x48/0x200 [ 428.619635] ? kasan_check_read+0x11/0x20 [ 428.623796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.629111] ? rcu_bh_qs+0xc0/0xc0 [ 428.632665] ? preempt_schedule+0x4d/0x60 [ 428.636948] ? ___preempt_schedule+0x16/0x18 [ 428.641386] ? bpf_test_run+0x25d/0x780 [ 428.645396] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.649845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.655403] ? bpf_test_init.isra.9+0x70/0x100 [ 428.660004] ? bpf_prog_test_run_skb+0x634/0xb40 [ 428.664783] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.669718] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.675276] ? fput+0x130/0x1a0 [ 428.678570] ? __bpf_prog_get+0x9b/0x290 [ 428.682654] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.687509] ? bpf_prog_test_run+0x130/0x1a0 [ 428.691937] ? __x64_sys_bpf+0x3d8/0x510 [ 428.696011] ? bpf_prog_get+0x20/0x20 [ 428.699873] ? do_syscall_64+0x1b9/0x820 [ 428.703952] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.709332] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.714284] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.719319] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.724416] ? recalc_sigpending_tsk+0x180/0x180 [ 428.729192] ? kasan_check_write+0x14/0x20 [ 428.733450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.738317] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.743719] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 428.743809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.751124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.751130] Call Trace: [ 428.751138] [ 428.751156] dump_stack+0x1c4/0x2b4 [ 428.751174] ? dump_stack_print_info.cold.2+0x52/0x52 [ 428.751200] warn_alloc.cold.119+0xb7/0x1bd [ 428.757780] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.767049] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.769624] syz-executor2 cpuset= [ 428.771787] ? lock_downgrade+0x900/0x900 [ 428.775511] syz2 [ 428.780711] ? trace_hardirqs_off+0xb8/0x310 [ 428.785016] mems_allowed=0 [ 428.795510] ? trace_hardirqs_off+0xb8/0x310 [ 428.821725] __alloc_pages_slowpath+0x2667/0x2d80 [ 428.826617] ? warn_alloc+0x120/0x120 [ 428.830436] ? warn_alloc+0x120/0x120 [ 428.834330] ? print_usage_bug+0xc0/0xc0 [ 428.838412] ? warn_alloc+0x120/0x120 [ 428.842232] ? print_usage_bug+0xc0/0xc0 [ 428.846308] ? __lock_acquire+0x7ec/0x4ec0 [ 428.850558] ? __lock_acquire+0x7ec/0x4ec0 [ 428.854810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.860394] ? should_fail+0x22d/0xd01 [ 428.864299] ? __lock_acquire+0x7ec/0x4ec0 [ 428.868574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.873696] ? __lock_acquire+0x7ec/0x4ec0 [ 428.877949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.883066] ? __lock_acquire+0x7ec/0x4ec0 [ 428.887315] ? should_fail+0x22d/0xd01 [ 428.891224] ? mark_held_locks+0x130/0x130 [ 428.895480] ? mark_held_locks+0x130/0x130 [ 428.899741] ? graph_lock+0x170/0x170 [ 428.903565] ? print_usage_bug+0xc0/0xc0 [ 428.907645] ? wq_watchdog_touch+0x9c/0xfe [ 428.911987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.917547] ? check_preemption_disabled+0x48/0x200 [ 428.922578] ? check_preemption_disabled+0x48/0x200 [ 428.927764] ? __lock_is_held+0xb5/0x140 [ 428.931871] __alloc_pages_nodemask+0xa80/0xde0 [ 428.936561] ? graph_lock+0x170/0x170 [ 428.940466] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.945492] ? graph_lock+0x170/0x170 [ 428.949317] ? find_held_lock+0x36/0x1c0 [ 428.953405] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.958090] ? lock_downgrade+0x900/0x900 [ 428.962265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.967845] cache_grow_begin+0x91/0x8c0 [ 428.971930] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.976365] fallback_alloc+0x203/0x2e0 [ 428.980359] ____cache_alloc_node+0x1c7/0x1e0 [ 428.984898] kmem_cache_alloc_node+0xe3/0x730 [ 428.989408] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.993671] __alloc_skb+0x119/0x770 [ 428.997398] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.002696] ? skb_scrub_packet+0x490/0x490 [ 429.007122] ? lock_downgrade+0x900/0x900 [ 429.011294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.016865] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.022427] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.027905] ? addrconf_rs_timer+0x690/0x690 [ 429.032341] ndisc_alloc_skb+0x144/0x340 [ 429.036421] ndisc_send_rs+0x331/0x6e0 [ 429.040332] addrconf_rs_timer+0x314/0x690 [ 429.044587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.048876] call_timer_fn+0x272/0x920 [ 429.052783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.057112] ? process_timeout+0x40/0x40 [ 429.061186] ? find_held_lock+0x36/0x1c0 [ 429.065269] ? mark_held_locks+0xc7/0x130 [ 429.069437] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.073948] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.078461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.082714] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 429.087492] ? trace_hardirqs_on+0xbd/0x310 [ 429.091850] ? kasan_check_read+0x11/0x20 [ 429.096019] ? __run_timers+0x7da/0xc70 [ 429.100008] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.105484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.109742] __run_timers+0x7e5/0xc70 [ 429.113688] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.119073] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.124104] ? graph_lock+0x170/0x170 [ 429.127927] ? print_usage_bug+0xc0/0xc0 [ 429.132003] ? lock_release+0x970/0x970 [ 429.135992] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.141201] ? find_held_lock+0x36/0x1c0 [ 429.145409] ? graph_lock+0x170/0x170 [ 429.149236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.154798] ? check_preemption_disabled+0x48/0x200 [ 429.159892] ? __lock_is_held+0xb5/0x140 [ 429.163969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.169525] ? check_preemption_disabled+0x48/0x200 [ 429.174564] run_timer_softirq+0x52/0xb0 [ 429.178640] ? rcu_read_lock_sched_held+0x108/0x120 [ 429.183672] __do_softirq+0x30b/0xad8 [ 429.187515] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.192641] ? pvclock_read_flags+0x160/0x160 [ 429.197164] ? lapic_next_event+0x5a/0x90 [ 429.201327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.206894] ? check_preemption_disabled+0x48/0x200 [ 429.211927] ? check_preemption_disabled+0x48/0x200 [ 429.216967] ? kvm_clock_read+0x18/0x30 [ 429.220955] ? kvm_sched_clock_read+0x9/0x20 [ 429.225383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.230939] ? check_preemption_disabled+0x48/0x200 [ 429.236158] irq_exit+0x17f/0x1c0 [ 429.239628] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.244486] ? smp_reschedule_interrupt+0x109/0x650 [ 429.249518] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.255528] ? interrupt_entry+0xb5/0xf0 [ 429.259609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.264636] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.269668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.274527] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.279559] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.284590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.290146] ? check_preemption_disabled+0x48/0x200 [ 429.295174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.300731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.305840] apic_timer_interrupt+0xf/0x20 [ 429.310085] [ 429.312340] RIP: 0010:console_unlock+0xfdf/0x1160 [ 429.317195] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 429.336210] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 429.343951] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 429.351252] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 429.358549] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 429.365867] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 429.373169] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 429.380481] ? netconsole_netdev_event+0x280/0x280 [ 429.385449] ? console_unlock+0xfd6/0x1160 [ 429.389743] ? devkmsg_read+0xbb0/0xbb0 [ 429.393802] ? vprintk_emit+0x7f7/0x930 [ 429.397850] ? lock_release+0x970/0x970 [ 429.401886] ? trace_hardirqs_on+0x10/0x310 [ 429.406233] ? vprintk_default+0x28/0x30 [ 429.410310] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.415785] ? kasan_check_write+0x14/0x20 [ 429.420067] ? do_raw_spin_lock+0xc1/0x200 [ 429.424326] vprintk_emit+0x33d/0x930 [ 429.428148] ? wake_up_klogd+0x180/0x180 [ 429.432244] ? find_held_lock+0x36/0x1c0 [ 429.436331] ? mark_held_locks+0xc7/0x130 [ 429.440500] vprintk_default+0x28/0x30 [ 429.444400] vprintk_func+0x7e/0x181 [ 429.448133] printk+0xa7/0xcf [ 429.451255] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 429.456035] ? kasan_check_write+0x14/0x20 [ 429.460288] ? do_raw_spin_lock+0xc1/0x200 [ 429.464547] show_free_areas.cold.120+0x1b8e/0x215d [ 429.469601] ? si_meminfo_node+0x260/0x260 [ 429.473877] ? __lock_acquire+0x7ec/0x4ec0 [ 429.478195] ? __lock_acquire+0x7ec/0x4ec0 [ 429.482604] ? __lock_acquire+0x7ec/0x4ec0 [ 429.486878] ? kasan_check_write+0x14/0x20 [ 429.491152] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 429.496976] ? mark_held_locks+0x130/0x130 [ 429.501229] ? mark_held_locks+0x130/0x130 [ 429.505482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.511033] ? graph_lock+0x170/0x170 [ 429.514870] ? put_dec+0x3b/0xf0 [ 429.518260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.523834] ? number+0x972/0xca0 [ 429.527304] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 429.532392] ? find_held_lock+0x36/0x1c0 [ 429.536481] ? serial8250_console_write+0x8b3/0xb10 [ 429.541516] ? lock_downgrade+0x900/0x900 [ 429.545733] ? graph_lock+0x170/0x170 [ 429.549551] ? graph_lock+0x170/0x170 [ 429.553368] ? print_usage_bug+0xc0/0xc0 [ 429.557447] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.561941] ? trace_hardirqs_on+0x310/0x310 [ 429.566363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.571918] ? wq_watchdog_touch+0x9c/0xfe [ 429.576169] ? io_serial_in+0x11/0x90 [ 429.579992] ? find_held_lock+0x36/0x1c0 [ 429.584075] ? mark_held_locks+0xc7/0x130 [ 429.588240] ? console_unlock+0xfaa/0x1160 [ 429.592492] ? console_unlock+0xfaa/0x1160 [ 429.596741] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.601447] ? vprintk_emit+0x33d/0x930 [ 429.605437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.610909] ? kasan_check_write+0x14/0x20 [ 429.615157] ? do_raw_spin_lock+0xc1/0x200 [ 429.619415] ? netconsole_netdev_event+0x280/0x280 [ 429.624363] ? console_unlock+0x9ba/0x1160 [ 429.628707] ? devkmsg_read+0xbb0/0xbb0 [ 429.632698] ? lock_release+0x970/0x970 [ 429.636688] ? preempt_count_add+0x7d/0x160 [ 429.641081] ? wake_up_klogd+0x11a/0x180 [ 429.645157] ? console_device+0xc0/0xc0 [ 429.649212] ? vprintk_emit+0x268/0x930 [ 429.653211] ? wake_up_klogd+0x180/0x180 [ 429.657289] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.662080] ? trace_hardirqs_off+0x310/0x310 [ 429.666589] ? retint_kernel+0x1b/0x2d [ 429.670495] ? trace_hardirqs_on+0x310/0x310 [ 429.674930] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.679709] ? retint_kernel+0x2d/0x2d [ 429.683624] ? arch_local_irq_restore+0x45/0x52 [ 429.688327] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 429.693357] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 429.698137] ? show_mem+0x1e/0x17b [ 429.701692] show_mem+0x34/0x17b [ 429.705083] dump_header+0x2f1/0xf72 [ 429.708849] ? pagefault_out_of_memory+0x197/0x197 [ 429.713807] ? __lock_acquire+0x7ec/0x4ec0 [ 429.718083] ? print_usage_bug+0xc0/0xc0 [ 429.722220] ? graph_lock+0x170/0x170 [ 429.726164] ? print_usage_bug+0xc0/0xc0 [ 429.730239] ? print_usage_bug+0xc0/0xc0 [ 429.734326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.739901] ? find_held_lock+0x36/0x1c0 [ 429.743990] ? mark_held_locks+0xc7/0x130 [ 429.748160] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.753292] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.758422] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.763034] ? trace_hardirqs_on+0xbd/0x310 [ 429.767376] ? kasan_check_read+0x11/0x20 [ 429.771540] ? ___ratelimit+0x36f/0x655 [ 429.775534] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.781006] ? trace_hardirqs_on+0x310/0x310 [ 429.785431] ? lock_downgrade+0x900/0x900 [ 429.789609] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.794729] ? ___ratelimit+0xaa/0x655 [ 429.798630] ? idr_get_free+0xec0/0xec0 [ 429.802622] ? kasan_check_write+0x14/0x20 [ 429.806879] ? do_raw_spin_lock+0xc1/0x200 [ 429.811144] oom_kill_process.cold.27+0x10/0x903 [ 429.815918] ? graph_lock+0x170/0x170 [ 429.819744] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.825560] ? kasan_check_read+0x11/0x20 [ 429.829725] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.835020] ? oom_evaluate_task+0x540/0x540 [ 429.839647] ? find_held_lock+0x36/0x1c0 [ 429.843733] ? out_of_memory+0x974/0x1430 [ 429.847907] ? lock_downgrade+0x900/0x900 [ 429.852071] ? check_preemption_disabled+0x48/0x200 [ 429.857110] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.862927] ? kasan_check_read+0x11/0x20 [ 429.867090] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.872380] ? rcu_bh_qs+0xc0/0xc0 [ 429.875940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.881494] ? oom_evaluate_task+0x302/0x540 [ 429.885926] out_of_memory+0xa84/0x1430 [ 429.890016] ? oom_killer_disable+0x3a0/0x3a0 [ 429.894527] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 429.899473] ? __mutex_add_waiter+0x2a0/0x2a0 [ 429.903995] __alloc_pages_slowpath+0x2318/0x2d80 [ 429.909666] ? warn_alloc+0x120/0x120 [ 429.913483] ? trace_hardirqs_on+0x310/0x310 [ 429.917918] ? print_usage_bug+0xc0/0xc0 [ 429.921993] ? warn_alloc+0x120/0x120 [ 429.925838] ? print_usage_bug+0xc0/0xc0 [ 429.929922] ? print_usage_bug+0xc0/0xc0 [ 429.934168] ? free_one_page+0x1700/0x1700 [ 429.938421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.943978] ? should_fail+0x22d/0xd01 [ 429.947896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.953507] ? __lock_acquire+0x7ec/0x4ec0 [ 429.957789] ? __lock_is_held+0xb5/0x140 [ 429.961904] ? graph_lock+0x170/0x170 [ 429.965726] ? ___might_sleep+0x1ed/0x300 [ 429.969888] ? lock_release+0x970/0x970 [ 429.973878] ? arch_local_save_flags+0x40/0x40 [ 429.978580] ? __might_sleep+0x95/0x190 [ 429.982575] __alloc_pages_nodemask+0xa80/0xde0 [ 429.987266] ? graph_lock+0x170/0x170 [ 429.991085] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.996119] ? graph_lock+0x170/0x170 [ 429.999950] ? mark_held_locks+0xc7/0x130 [ 430.004109] ? find_held_lock+0x36/0x1c0 [ 430.008187] ? cache_grow_begin+0x5a4/0x8c0 [ 430.012548] ? lockdep_hardirqs_on+0x421/0x5c0 [ 430.017151] ? trace_hardirqs_on+0xbd/0x310 [ 430.021493] ? fallback_alloc+0x203/0x2e0 [ 430.025660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.031136] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.036787] cache_grow_begin+0x91/0x8c0 [ 430.040901] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.045335] fallback_alloc+0x203/0x2e0 [ 430.049331] ____cache_alloc_node+0x1c7/0x1e0 [ 430.053869] kmem_cache_alloc_node_trace+0xe7/0x740 [ 430.058928] __kmalloc_node_track_caller+0x33/0x70 [ 430.063944] __kmalloc_reserve.isra.39+0x41/0xe0 [ 430.068741] __alloc_skb+0x155/0x770 [ 430.072482] ? skb_scrub_packet+0x490/0x490 [ 430.076850] ? if_nlmsg_size+0x5d1/0xbb0 [ 430.081348] ? nla_put_ifalias+0x170/0x170 [ 430.085606] ? sk_psock_stop_strp+0x120/0x120 [ 430.090132] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.095161] ? netif_tx_stop_all_queues+0xd9/0x110 [ 430.100111] rtmsg_ifinfo_build_skb+0x74/0x190 [ 430.104716] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 430.109577] rtmsg_ifinfo+0x8c/0xa0 [ 430.113227] dev_close_many+0x3be/0x860 [ 430.117232] ? netdev_master_upper_dev_link+0x50/0x50 [ 430.122443] ? find_held_lock+0x36/0x1c0 [ 430.126529] ? __queue_work+0x6be/0x1440 [ 430.130671] ? lock_downgrade+0x900/0x900 [ 430.134943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.140496] ? rtnl_is_locked+0xb5/0xf0 [ 430.144485] ? rtnl_trylock+0x20/0x20 [ 430.148299] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.152723] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 430.157330] rollback_registered_many+0x543/0x1210 [ 430.162286] ? generic_xdp_install+0x4c0/0x4c0 [ 430.166893] ? max_active_store+0x170/0x170 [ 430.171232] ? graph_lock+0x170/0x170 [ 430.175395] ? print_usage_bug+0xc0/0xc0 [ 430.179479] ? print_usage_bug+0xc0/0xc0 [ 430.183574] ? __debug_object_init+0x57d/0x1290 [ 430.188258] ? graph_lock+0x170/0x170 [ 430.192075] ? print_usage_bug+0xc0/0xc0 [ 430.196156] ? find_held_lock+0x36/0x1c0 [ 430.200242] ? mark_held_locks+0xc7/0x130 [ 430.204414] rollback_registered+0x1e9/0x420 [ 430.208855] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 430.213457] ? rollback_registered_many+0x1210/0x1210 [ 430.218663] ? trace_hardirqs_on+0xbd/0x310 [ 430.222999] ? linkwatch_schedule_work+0x150/0x170 [ 430.227950] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.233420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.238977] ? rtnl_is_locked+0xb5/0xf0 [ 430.242967] ? rtnl_trylock+0x20/0x20 [ 430.246786] ? queue_delayed_work_on+0x130/0x1f0 [ 430.251589] unregister_netdevice_queue+0x321/0x5e0 [ 430.256627] ? rollback_registered+0x420/0x420 [ 430.261224] ? linkwatch_schedule_work+0x170/0x170 [ 430.266258] ? tun_show_owner+0x170/0x170 [ 430.270425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.275983] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 430.281360] ? __tun_detach+0x6ba/0x15c0 [ 430.285449] __tun_detach+0x11b8/0x15c0 [ 430.289447] ? __call_rcu.constprop.69+0x429/0xbc0 [ 430.294411] ? tun_attach+0x1900/0x1900 [ 430.298412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.303971] ? check_preemption_disabled+0x48/0x200 [ 430.309022] ? graph_lock+0x170/0x170 [ 430.312868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.318426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.323980] ? locks_remove_file+0x3c6/0x5c0 [ 430.328405] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 430.334010] ? ima_file_free+0x132/0x650 [ 430.338099] ? __lock_is_held+0xb5/0x140 [ 430.342185] ? __tun_detach+0x15c0/0x15c0 [ 430.346361] ? __tun_detach+0x15c0/0x15c0 [ 430.350535] tun_chr_close+0xe3/0x180 [ 430.354366] __fput+0x385/0xa30 [ 430.357677] ? get_max_files+0x20/0x20 [ 430.361586] ? ___might_sleep+0x1ed/0x300 [ 430.365808] ? arch_local_save_flags+0x40/0x40 [ 430.370443] ____fput+0x15/0x20 [ 430.373739] task_work_run+0x1e8/0x2a0 [ 430.377650] ? task_work_cancel+0x240/0x240 [ 430.381998] ? switch_task_namespaces+0xb8/0xd0 [ 430.386692] do_exit+0x1ad7/0x2610 [ 430.390260] ? mm_update_next_owner+0x990/0x990 [ 430.394955] ? print_usage_bug+0xc0/0xc0 [ 430.399031] ? perf_trace_lock+0x14d/0x7a0 [ 430.403291] ? __lock_acquire+0x7ec/0x4ec0 [ 430.407545] ? find_held_lock+0x36/0x1c0 [ 430.411632] ? __lock_acquire+0x7ec/0x4ec0 [ 430.415888] ? mark_held_locks+0x130/0x130 [ 430.420227] ? lock_acquire+0x1ed/0x520 [ 430.424225] ? mark_held_locks+0x130/0x130 [ 430.428475] ? arch_local_save_flags+0x40/0x40 [ 430.433071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.438642] ? __mutex_lock+0x85e/0x1700 [ 430.442718] ? __switch_to_asm+0x40/0x70 [ 430.446791] ? __switch_to_asm+0x34/0x70 [ 430.450896] ? pipe_wait+0x266/0x2c0 [ 430.454634] ? mutex_trylock+0x2b0/0x2b0 [ 430.458724] ? graph_lock+0x170/0x170 [ 430.462540] ? find_held_lock+0x36/0x1c0 [ 430.466621] ? memset+0x31/0x40 [ 430.469923] ? find_held_lock+0x36/0x1c0 [ 430.474017] ? get_signal+0x95b/0x1980 [ 430.477926] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.482439] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.486961] do_group_exit+0x177/0x440 [ 430.490887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.496373] ? __ia32_sys_exit+0x50/0x50 [ 430.500467] get_signal+0x8b0/0x1980 [ 430.504210] ? ptrace_notify+0x130/0x130 [ 430.508296] ? finish_wait+0x430/0x430 [ 430.512201] ? graph_lock+0x170/0x170 [ 430.516024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.521579] ? pipe_read+0x702/0x940 [ 430.525309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.530894] do_signal+0x9c/0x21e0 [ 430.534458] ? __vfs_read+0x11f/0x9b0 [ 430.538287] ? vfs_copy_file_range+0xb90/0xb90 [ 430.542895] ? setup_sigcontext+0x7d0/0x7d0 [ 430.547253] ? exit_to_usermode_loop+0x8c/0x380 [ 430.551958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.557529] exit_to_usermode_loop+0x2e5/0x380 [ 430.562133] ? syscall_slow_exit_work+0x520/0x520 [ 430.566992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.572568] do_syscall_64+0x6be/0x820 [ 430.576474] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.581885] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.586862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.591732] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.596779] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.601870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.606753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.611970] RIP: 0033:0x410fa0 [ 430.615190] Code: Bad RIP value. [ 430.618563] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 430.626286] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 430.633566] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 430.640867] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 430.648156] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 430.655440] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 430.662754] warn_alloc_show_mem: 1 callbacks suppressed [ 430.662767] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 430.662769] Mem-Info: [ 430.662801] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 430.662801] active_file:8 inactive_file:19 isolated_file:0 [ 430.662801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.662801] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 430.662801] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 430.662801] free:13766 free_pcp:526 free_cma:0 [ 430.668266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.668275] Call Trace: [ 430.675662] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.678073] [ 430.711158] Node 0 [ 430.720534] dump_stack+0x1c4/0x2b4 [ 430.723118] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 430.750887] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.753018] lowmem_reserve[]: 0 [ 430.755283] warn_alloc.cold.119+0xb7/0x1bd [ 430.758888] 2819 [ 430.784477] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.789656] 6323 [ 430.793039] ? lock_downgrade+0x900/0x900 [ 430.797344] 6323 [ 430.799427] ? trace_hardirqs_off+0xb8/0x310 [ 430.806327] ? trace_hardirqs_off+0xb8/0x310 [ 430.810461] Node 0 [ 430.812538] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.816950] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 430.821364] ? warn_alloc+0x120/0x120 [ 430.823611] lowmem_reserve[]: 0 [ 430.828470] ? trace_hardirqs_on+0x310/0x310 [ 430.855692] 0 3503 [ 430.859510] ? warn_alloc+0x120/0x120 [ 430.862766] 3503 [ 430.867191] ? print_usage_bug+0xc0/0xc0 [ 430.869417] Node 0 [ 430.873229] ? warn_alloc+0x120/0x120 [ 430.875318] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 430.879358] ? ktime_get+0x2e1/0x440 [ 430.881576] lowmem_reserve[]: 0 [ 430.885397] ? print_usage_bug+0xc0/0xc0 [ 430.913928] 0 [ 430.917661] ? __lock_acquire+0x7ec/0x4ec0 [ 430.920925] 0 [ 430.924998] ? __lock_acquire+0x7ec/0x4ec0 [ 430.926782] 0 [ 430.931053] ? kasan_check_read+0x11/0x20 [ 430.932856] Node 0 [ 430.937101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.938897] DMA: [ 430.943053] ? should_fail+0x22d/0xd01 [ 430.945275] 1*4kB [ 430.950862] ? rcu_bh_qs+0xc0/0xc0 [ 430.952914] (U) [ 430.956846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.958983] 0*8kB [ 430.962542] ? __lock_acquire+0x7ec/0x4ec0 [ 430.964506] 0*16kB [ 430.969624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.971756] 1*32kB [ 430.975999] ? __lock_acquire+0x7ec/0x4ec0 [ 430.978219] (U) [ 430.983337] ? should_fail+0x22d/0xd01 [ 430.985561] 2*64kB [ 430.989863] ? rcu_idle_enter+0x4b0/0x4b0 [ 430.991845] (U) [ 430.995745] ? mark_held_locks+0x130/0x130 [ 430.998019] 1*128kB (U) [ 431.002183] ? mark_held_locks+0x130/0x130 [ 431.004144] 1*256kB (U) [ 431.008397] ? mark_held_locks+0xc7/0x130 [ 431.011054] 0*512kB [ 431.015297] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 431.017954] 1*1024kB [ 431.022106] ? graph_lock+0x170/0x170 [ 431.024417] (U) [ 431.029436] ? print_usage_bug+0xc0/0xc0 [ 431.031861] 1*2048kB [ 431.035671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.037630] (M) [ 431.041704] ? check_preemption_disabled+0x48/0x200 [ 431.044092] 3*4096kB (M) [ 431.049908] ? check_preemption_disabled+0x48/0x200 [ 431.051874] = 15908kB [ 431.056903] ? __lock_is_held+0xb5/0x140 [ 431.059649] Node 0 [ 431.064674] __alloc_pages_nodemask+0xa80/0xde0 [ 431.067062] DMA32: 3*4kB [ 431.071141] ? graph_lock+0x170/0x170 [ 431.073367] (M) [ 431.078047] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.080796] 2*8kB [ 431.084625] ? graph_lock+0x170/0x170 [ 431.086586] (UM) [ 431.091619] ? find_held_lock+0x36/0x1c0 [ 431.093750] 2*16kB [ 431.097565] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.099611] (M) [ 431.103683] ? lock_downgrade+0x900/0x900 [ 431.105912] 3*32kB [ 431.110596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.112553] (UM) [ 431.116712] cache_grow_begin+0x91/0x8c0 [ 431.118926] 5*64kB (UM) [ 431.124621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.126674] 3*128kB [ 431.130749] fallback_alloc+0x203/0x2e0 [ 431.133404] (M) [ 431.137852] ____cache_alloc_node+0x1c7/0x1e0 [ 431.140150] 3*256kB (M) [ 431.144147] kmem_cache_alloc_node+0xe3/0x730 [ 431.146105] 4*512kB [ 431.150608] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.153262] (UM) [ 431.157771] __alloc_skb+0x119/0x770 [ 431.160077] 3*1024kB [ 431.164320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.166368] (UM) [ 431.170092] ? skb_scrub_packet+0x490/0x490 [ 431.172486] 3*2048kB (UM) [ 431.177781] ? lock_downgrade+0x900/0x900 [ 431.179850] 3*4096kB [ 431.184185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.187012] (M) [ 431.191195] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.193591] = 25180kB [ 431.199132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.201099] Node 0 [ 431.206559] ? addrconf_rs_timer+0x690/0x690 [ 431.208950] Normal: 960*4kB [ 431.214429] ndisc_alloc_skb+0x144/0x340 [ 431.216665] (MEH) [ 431.221081] ndisc_send_rs+0x331/0x6e0 [ 431.224094] 471*8kB (UME) [ 431.228178] addrconf_rs_timer+0x314/0x690 [ 431.230359] 178*16kB (ME) [ 431.234269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.237102] 44*32kB [ 431.241356] call_timer_fn+0x272/0x920 [ 431.244180] (UME) [ 431.248422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.250737] 1*64kB [ 431.254632] ? process_timeout+0x40/0x40 [ 431.256764] (U) [ 431.261015] ? find_held_lock+0x36/0x1c0 [ 431.263236] 0*128kB 0*256kB [ 431.267317] ? __run_timers+0x7da/0xc70 [ 431.269280] 2*512kB [ 431.273351] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.276352] (U) [ 431.280340] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.282649] 1*1024kB [ 431.287148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.289111] (U) [ 431.293613] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 431.296009] 0*2048kB [ 431.300256] ? trace_hardirqs_on+0xbd/0x310 [ 431.302225] 0*4096kB [ 431.306836] ? kasan_check_read+0x11/0x20 [ 431.309233] = 13976kB [ 431.313567] ? __run_timers+0x7da/0xc70 [ 431.315969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.320255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.322659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.326637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.335457] 2889 total pagecache pages [ 431.340921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.349488] 0 pages in swap cache [ 431.353726] __run_timers+0x7e5/0xc70 [ 431.357599] Swap cache stats: add 0, delete 0, find 0/0 [ 431.357608] Free swap = 0kB [ 431.361880] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 431.365314] Total swap = 0kB [ 431.369125] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.374469] 1965979 pages RAM [ 431.377492] ? rcu_bh_qs+0xc0/0xc0 [ 431.382860] 0 pages HighMem/MovableOnly [ 431.385893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.391159] 342306 pages reserved [ 431.391168] 0 pages cma reserved [ 431.394287] ? check_preemption_disabled+0x48/0x200 [ 431.397920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.401840] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.407461] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.410853] ? retint_kernel+0x2d/0x2d [ 431.414206] syz-executor1 cpuset= [ 431.419228] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.425707] syz1 [ 431.430480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.440961] mems_allowed=0 [ 431.444885] ? trace_hardirqs_off+0x310/0x310 [ 431.467425] ? check_preemption_disabled+0x48/0x200 [ 431.472509] ? graph_lock+0x170/0x170 [ 431.476336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.481893] ? check_preemption_disabled+0x48/0x200 [ 431.486944] ? __lock_is_held+0xb5/0x140 [ 431.491031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.496597] ? check_preemption_disabled+0x48/0x200 [ 431.501637] run_timer_softirq+0x52/0xb0 [ 431.505715] ? rcu_read_lock_sched_held+0x108/0x120 [ 431.510747] __do_softirq+0x30b/0xad8 [ 431.514574] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 431.519696] ? pvclock_read_flags+0x160/0x160 [ 431.524208] ? lapic_next_event+0x5a/0x90 [ 431.528372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.533939] ? check_preemption_disabled+0x48/0x200 [ 431.538970] ? check_preemption_disabled+0x48/0x200 [ 431.544006] ? kvm_clock_read+0x18/0x30 [ 431.547993] ? kvm_sched_clock_read+0x9/0x20 [ 431.552504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.558058] ? check_preemption_disabled+0x48/0x200 [ 431.563098] irq_exit+0x17f/0x1c0 [ 431.566566] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.571421] ? smp_reschedule_interrupt+0x109/0x650 [ 431.576452] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.582362] ? interrupt_entry+0xb5/0xf0 [ 431.586444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.591476] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.596509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.601367] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.606403] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.611453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.617009] ? check_preemption_disabled+0x48/0x200 [ 431.622038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.627627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.632490] apic_timer_interrupt+0xf/0x20 [ 431.636753] [ 431.639007] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 431.643955] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 431.662875] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 431.670607] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 431.677896] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 431.685186] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 431.692480] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 431.699770] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 431.707108] skb_clone+0x1bb/0x500 [ 431.710666] ? finish_task_switch+0x2f5/0x900 [ 431.715177] ? skb_split+0x11e0/0x11e0 [ 431.719135] ? preempt_notifier_register+0x200/0x200 [ 431.724253] ? __switch_to_asm+0x34/0x70 [ 431.728332] ? __switch_to_asm+0x34/0x70 [ 431.732422] ? __switch_to_asm+0x40/0x70 [ 431.736500] ? __switch_to_asm+0x34/0x70 [ 431.740584] ? __switch_to_asm+0x40/0x70 [ 431.744668] ? __switch_to_asm+0x34/0x70 [ 431.748749] ? __switch_to_asm+0x40/0x70 [ 431.752846] ? __switch_to_asm+0x34/0x70 [ 431.756929] ? __switch_to_asm+0x34/0x70 [ 431.761003] ? __switch_to_asm+0x40/0x70 [ 431.765076] ? __switch_to_asm+0x34/0x70 [ 431.769230] bpf_clone_redirect+0xb9/0x490 [ 431.773488] ? __schedule+0x874/0x1ed0 [ 431.777404] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 431.782438] ? __sched_text_start+0x8/0x8 [ 431.786606] ? retint_kernel+0x2d/0x2d [ 431.790558] ? find_held_lock+0x36/0x1c0 [ 431.794642] ? lock_acquire+0x1ed/0x520 [ 431.798629] ? bpf_test_run+0x3cb/0x780 [ 431.802624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.808181] ? check_preemption_disabled+0x48/0x200 [ 431.813215] ? kasan_check_read+0x11/0x20 [ 431.817377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.822673] ? rcu_bh_qs+0xc0/0xc0 [ 431.826230] ? preempt_schedule+0x4d/0x60 [ 431.830401] ? ___preempt_schedule+0x16/0x18 [ 431.834858] ? bpf_test_run+0x25d/0x780 [ 431.838882] ? netlink_diag_dump+0x2a0/0x2a0 [ 431.843310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.848876] ? bpf_test_init.isra.9+0x70/0x100 [ 431.853483] ? bpf_prog_test_run_skb+0x634/0xb40 [ 431.858329] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 431.863188] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.868743] ? fput+0x130/0x1a0 [ 431.872040] ? __bpf_prog_get+0x9b/0x290 [ 431.876120] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 431.880977] ? bpf_prog_test_run+0x130/0x1a0 [ 431.885412] ? __x64_sys_bpf+0x3d8/0x510 [ 431.889492] ? bpf_prog_get+0x20/0x20 [ 431.893332] ? do_syscall_64+0x1b9/0x820 [ 431.897418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.902801] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.907775] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.912835] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.917885] ? recalc_sigpending_tsk+0x180/0x180 [ 431.922659] ? kasan_check_write+0x14/0x20 [ 431.926918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.931792] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.937221] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 431.937330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.944515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.944524] Call Trace: [ 431.951327] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.960563] [ 431.963147] syz-executor2 cpuset= [ 431.973645] dump_stack+0x1c4/0x2b4 [ 431.975777] syz2 [ 431.979240] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.982871] mems_allowed=0 [ 431.993019] warn_alloc.cold.119+0xb7/0x1bd [ 431.997360] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.002228] ? lock_downgrade+0x900/0x900 [ 432.006398] ? trace_hardirqs_off+0xb8/0x310 [ 432.010850] ? trace_hardirqs_off+0xb8/0x310 [ 432.015287] __alloc_pages_slowpath+0x2667/0x2d80 [ 432.020177] ? warn_alloc+0x120/0x120 [ 432.024004] ? trace_hardirqs_on+0x310/0x310 [ 432.028430] ? warn_alloc+0x120/0x120 [ 432.032251] ? print_usage_bug+0xc0/0xc0 [ 432.036418] ? warn_alloc+0x120/0x120 [ 432.040243] ? ktime_get+0x2e1/0x440 [ 432.043976] ? print_usage_bug+0xc0/0xc0 [ 432.048054] ? __lock_acquire+0x7ec/0x4ec0 [ 432.052304] ? __lock_acquire+0x7ec/0x4ec0 [ 432.056554] ? kasan_check_read+0x11/0x20 [ 432.060722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.066338] ? should_fail+0x22d/0xd01 [ 432.070243] ? rcu_bh_qs+0xc0/0xc0 [ 432.073800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.078946] ? __lock_acquire+0x7ec/0x4ec0 [ 432.083415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.088535] ? __lock_acquire+0x7ec/0x4ec0 [ 432.092784] ? should_fail+0x22d/0xd01 [ 432.096707] ? rcu_idle_enter+0x4b0/0x4b0 [ 432.100891] ? mark_held_locks+0x130/0x130 [ 432.105146] ? mark_held_locks+0x130/0x130 [ 432.109399] ? mark_held_locks+0xc7/0x130 [ 432.113561] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 432.118590] ? graph_lock+0x170/0x170 [ 432.122413] ? print_usage_bug+0xc0/0xc0 [ 432.126494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.132112] ? check_preemption_disabled+0x48/0x200 [ 432.137146] ? check_preemption_disabled+0x48/0x200 [ 432.142190] ? __lock_is_held+0xb5/0x140 [ 432.146405] __alloc_pages_nodemask+0xa80/0xde0 [ 432.151093] ? graph_lock+0x170/0x170 [ 432.154927] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.159959] ? graph_lock+0x170/0x170 [ 432.163786] ? find_held_lock+0x36/0x1c0 [ 432.167901] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.172585] ? lock_downgrade+0x900/0x900 [ 432.176776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.182335] cache_grow_begin+0x91/0x8c0 [ 432.186412] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.190865] fallback_alloc+0x203/0x2e0 [ 432.194887] ____cache_alloc_node+0x1c7/0x1e0 [ 432.199404] kmem_cache_alloc_node+0xe3/0x730 [ 432.203916] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.208179] __alloc_skb+0x119/0x770 [ 432.211915] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.217216] ? skb_scrub_packet+0x490/0x490 [ 432.221556] ? lock_downgrade+0x900/0x900 [ 432.225739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.231293] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.236764] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.242238] ? addrconf_rs_timer+0x690/0x690 [ 432.246680] ndisc_alloc_skb+0x144/0x340 [ 432.250847] ndisc_send_rs+0x331/0x6e0 [ 432.254764] addrconf_rs_timer+0x314/0x690 [ 432.259021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.263289] call_timer_fn+0x272/0x920 [ 432.267192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.271445] ? process_timeout+0x40/0x40 [ 432.275518] ? find_held_lock+0x36/0x1c0 [ 432.279600] ? mark_held_locks+0xc7/0x130 [ 432.283766] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.288277] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.292781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.297058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 432.301660] ? trace_hardirqs_on+0xbd/0x310 [ 432.306000] ? kasan_check_read+0x11/0x20 [ 432.310165] ? __run_timers+0x7da/0xc70 [ 432.314156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.319628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.323902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.328162] __run_timers+0x7e5/0xc70 [ 432.331994] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.337378] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.342416] ? graph_lock+0x170/0x170 [ 432.346241] ? print_usage_bug+0xc0/0xc0 [ 432.350313] ? lock_release+0x970/0x970 [ 432.354301] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.359514] ? find_held_lock+0x36/0x1c0 [ 432.363596] ? graph_lock+0x170/0x170 [ 432.367420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.372973] ? check_preemption_disabled+0x48/0x200 [ 432.378019] ? __lock_is_held+0xb5/0x140 [ 432.382102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.387661] ? check_preemption_disabled+0x48/0x200 [ 432.392699] run_timer_softirq+0x52/0xb0 [ 432.396776] ? rcu_read_lock_sched_held+0x108/0x120 [ 432.401811] __do_softirq+0x30b/0xad8 [ 432.405666] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.410791] ? pvclock_read_flags+0x160/0x160 [ 432.415327] ? lapic_next_event+0x5a/0x90 [ 432.419490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.425047] ? check_preemption_disabled+0x48/0x200 [ 432.430083] ? check_preemption_disabled+0x48/0x200 [ 432.435128] ? kvm_clock_read+0x18/0x30 [ 432.439123] ? kvm_sched_clock_read+0x9/0x20 [ 432.443556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.449169] ? check_preemption_disabled+0x48/0x200 [ 432.454214] irq_exit+0x17f/0x1c0 [ 432.457684] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.462536] ? smp_reschedule_interrupt+0x109/0x650 [ 432.467567] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.473468] ? interrupt_entry+0xb5/0xf0 [ 432.477545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.482575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.487606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.492462] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.497510] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.502545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.508100] ? check_preemption_disabled+0x48/0x200 [ 432.513132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.518750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.523622] apic_timer_interrupt+0xf/0x20 [ 432.527874] [ 432.530134] RIP: 0010:console_unlock+0xfdf/0x1160 [ 432.534990] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 432.553966] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 432.561695] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 432.568980] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 432.576261] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 432.583542] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 432.590853] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 432.598164] ? netconsole_netdev_event+0x280/0x280 [ 432.603124] ? console_unlock+0xfd6/0x1160 [ 432.607397] ? devkmsg_read+0xbb0/0xbb0 [ 432.611398] ? vprintk_emit+0x7f7/0x930 [ 432.615390] ? lock_release+0x970/0x970 [ 432.619380] ? trace_hardirqs_on+0x10/0x310 [ 432.623718] ? vprintk_default+0x28/0x30 [ 432.627802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.633296] ? kasan_check_write+0x14/0x20 [ 432.637555] ? do_raw_spin_lock+0xc1/0x200 [ 432.641840] vprintk_emit+0x33d/0x930 [ 432.645671] ? wake_up_klogd+0x180/0x180 [ 432.649766] ? find_held_lock+0x36/0x1c0 [ 432.653878] ? mark_held_locks+0xc7/0x130 [ 432.658058] vprintk_default+0x28/0x30 [ 432.661966] vprintk_func+0x7e/0x181 [ 432.665701] printk+0xa7/0xcf [ 432.668846] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 432.673625] ? kasan_check_write+0x14/0x20 [ 432.677897] ? do_raw_spin_lock+0xc1/0x200 [ 432.682161] show_free_areas.cold.120+0x1b8e/0x215d [ 432.687212] ? si_meminfo_node+0x260/0x260 [ 432.691467] ? __lock_acquire+0x7ec/0x4ec0 [ 432.695732] ? __lock_acquire+0x7ec/0x4ec0 [ 432.699982] ? __lock_acquire+0x7ec/0x4ec0 [ 432.704232] ? kasan_check_write+0x14/0x20 [ 432.708622] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 432.714445] ? mark_held_locks+0x130/0x130 [ 432.718695] ? mark_held_locks+0x130/0x130 [ 432.722953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.728524] ? graph_lock+0x170/0x170 [ 432.732440] ? put_dec+0x3b/0xf0 [ 432.735851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.741499] ? number+0x972/0xca0 [ 432.744972] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 432.750008] ? find_held_lock+0x36/0x1c0 [ 432.754096] ? serial8250_console_write+0x8b3/0xb10 [ 432.759128] ? lock_downgrade+0x900/0x900 [ 432.763295] ? graph_lock+0x170/0x170 [ 432.767111] ? graph_lock+0x170/0x170 [ 432.770931] ? print_usage_bug+0xc0/0xc0 [ 432.775021] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.779460] ? trace_hardirqs_on+0x310/0x310 [ 432.783896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.789454] ? wq_watchdog_touch+0x9c/0xfe [ 432.793709] ? io_serial_in+0x11/0x90 [ 432.797532] ? find_held_lock+0x36/0x1c0 [ 432.801670] ? mark_held_locks+0xc7/0x130 [ 432.805861] ? console_unlock+0xfaa/0x1160 [ 432.810120] ? console_unlock+0xfaa/0x1160 [ 432.814374] ? lockdep_hardirqs_on+0x421/0x5c0 [ 432.818977] ? vprintk_emit+0x33d/0x930 [ 432.822971] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.828445] ? kasan_check_write+0x14/0x20 [ 432.832706] ? do_raw_spin_lock+0xc1/0x200 [ 432.836970] ? netconsole_netdev_event+0x280/0x280 [ 432.841928] ? console_unlock+0x9ba/0x1160 [ 432.846190] ? devkmsg_read+0xbb0/0xbb0 [ 432.850190] ? lock_release+0x970/0x970 [ 432.854182] ? preempt_count_add+0x7d/0x160 [ 432.858528] ? wake_up_klogd+0x11a/0x180 [ 432.862617] ? console_device+0xc0/0xc0 [ 432.866630] ? vprintk_emit+0x268/0x930 [ 432.870626] ? wake_up_klogd+0x180/0x180 [ 432.874701] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.879471] ? trace_hardirqs_off+0x310/0x310 [ 432.883986] ? retint_kernel+0x1b/0x2d [ 432.887896] ? trace_hardirqs_on+0x310/0x310 [ 432.892329] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.897107] ? retint_kernel+0x2d/0x2d [ 432.901018] ? arch_local_irq_restore+0x45/0x52 [ 432.905704] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 432.910729] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 432.915498] ? show_mem+0x1e/0x17b [ 432.919052] show_mem+0x34/0x17b [ 432.922439] dump_header+0x2f1/0xf72 [ 432.926169] ? pagefault_out_of_memory+0x197/0x197 [ 432.931118] ? __lock_acquire+0x7ec/0x4ec0 [ 432.935369] ? print_usage_bug+0xc0/0xc0 [ 432.939449] ? graph_lock+0x170/0x170 [ 432.943256] ? print_usage_bug+0xc0/0xc0 [ 432.947316] ? print_usage_bug+0xc0/0xc0 [ 432.951386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.956938] ? find_held_lock+0x36/0x1c0 [ 432.961010] ? mark_held_locks+0xc7/0x130 [ 432.965166] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.970272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.975377] ? lockdep_hardirqs_on+0x421/0x5c0 [ 432.979967] ? trace_hardirqs_on+0xbd/0x310 [ 432.984293] ? kasan_check_read+0x11/0x20 [ 432.988441] ? ___ratelimit+0x36f/0x655 [ 432.992420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.997872] ? trace_hardirqs_on+0x310/0x310 [ 433.002294] ? lock_downgrade+0x900/0x900 [ 433.006450] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.011557] ? ___ratelimit+0xaa/0x655 [ 433.015970] ? idr_get_free+0xec0/0xec0 [ 433.019951] ? kasan_check_write+0x14/0x20 [ 433.024188] ? do_raw_spin_lock+0xc1/0x200 [ 433.028437] oom_kill_process.cold.27+0x10/0x903 [ 433.033203] ? graph_lock+0x170/0x170 [ 433.037012] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 433.042824] ? kasan_check_read+0x11/0x20 [ 433.046977] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.052260] ? oom_evaluate_task+0x540/0x540 [ 433.056675] ? find_held_lock+0x36/0x1c0 [ 433.060745] ? out_of_memory+0x974/0x1430 [ 433.064899] ? lock_downgrade+0x900/0x900 [ 433.069051] ? check_preemption_disabled+0x48/0x200 [ 433.074076] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 433.079876] ? kasan_check_read+0x11/0x20 [ 433.084032] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.089317] ? rcu_bh_qs+0xc0/0xc0 [ 433.092864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.098406] ? oom_evaluate_task+0x302/0x540 [ 433.102830] out_of_memory+0xa84/0x1430 [ 433.106827] ? oom_killer_disable+0x3a0/0x3a0 [ 433.111330] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 433.116269] ? __mutex_add_waiter+0x2a0/0x2a0 [ 433.120782] __alloc_pages_slowpath+0x2318/0x2d80 [ 433.125668] ? warn_alloc+0x120/0x120 [ 433.129477] ? trace_hardirqs_on+0x310/0x310 [ 433.133904] ? print_usage_bug+0xc0/0xc0 [ 433.137973] ? warn_alloc+0x120/0x120 [ 433.141779] ? print_usage_bug+0xc0/0xc0 [ 433.145852] ? print_usage_bug+0xc0/0xc0 [ 433.149922] ? free_one_page+0x1700/0x1700 [ 433.154161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.159700] ? should_fail+0x22d/0xd01 [ 433.163598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.168704] ? __lock_acquire+0x7ec/0x4ec0 [ 433.172968] ? __lock_is_held+0xb5/0x140 [ 433.177039] ? graph_lock+0x170/0x170 [ 433.180853] ? ___might_sleep+0x1ed/0x300 [ 433.185005] ? lock_release+0x970/0x970 [ 433.189333] ? arch_local_save_flags+0x40/0x40 [ 433.193935] ? __might_sleep+0x95/0x190 [ 433.197924] __alloc_pages_nodemask+0xa80/0xde0 [ 433.202593] ? graph_lock+0x170/0x170 [ 433.206397] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.211410] ? graph_lock+0x170/0x170 [ 433.215227] ? mark_held_locks+0xc7/0x130 [ 433.219375] ? find_held_lock+0x36/0x1c0 [ 433.223443] ? cache_grow_begin+0x5a4/0x8c0 [ 433.227767] ? lockdep_hardirqs_on+0x421/0x5c0 [ 433.232351] ? trace_hardirqs_on+0xbd/0x310 [ 433.236674] ? fallback_alloc+0x203/0x2e0 [ 433.240836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.246298] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.251846] cache_grow_begin+0x91/0x8c0 [ 433.255917] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.260343] fallback_alloc+0x203/0x2e0 [ 433.264328] ____cache_alloc_node+0x1c7/0x1e0 [ 433.268839] kmem_cache_alloc_node_trace+0xe7/0x740 [ 433.273876] __kmalloc_node_track_caller+0x33/0x70 [ 433.278826] __kmalloc_reserve.isra.39+0x41/0xe0 [ 433.283589] __alloc_skb+0x155/0x770 [ 433.287314] ? skb_scrub_packet+0x490/0x490 [ 433.291644] ? if_nlmsg_size+0x5d1/0xbb0 [ 433.295711] ? nla_put_ifalias+0x170/0x170 [ 433.299966] ? sk_psock_stop_strp+0x120/0x120 [ 433.304462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.309482] ? netif_tx_stop_all_queues+0xd9/0x110 [ 433.314421] rtmsg_ifinfo_build_skb+0x74/0x190 [ 433.319009] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 433.323861] rtmsg_ifinfo+0x8c/0xa0 [ 433.327500] dev_close_many+0x3be/0x860 [ 433.331491] ? netdev_master_upper_dev_link+0x50/0x50 [ 433.336691] ? find_held_lock+0x36/0x1c0 [ 433.340762] ? __queue_work+0x6be/0x1440 [ 433.344833] ? lock_downgrade+0x900/0x900 [ 433.348995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.354536] ? rtnl_is_locked+0xb5/0xf0 [ 433.358511] ? rtnl_trylock+0x20/0x20 [ 433.362313] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.366724] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 433.371316] rollback_registered_many+0x543/0x1210 [ 433.376257] ? generic_xdp_install+0x4c0/0x4c0 [ 433.380854] ? max_active_store+0x170/0x170 [ 433.385183] ? graph_lock+0x170/0x170 [ 433.388990] ? print_usage_bug+0xc0/0xc0 [ 433.393054] ? print_usage_bug+0xc0/0xc0 [ 433.397121] ? __debug_object_init+0x57d/0x1290 [ 433.401792] ? graph_lock+0x170/0x170 [ 433.405601] ? print_usage_bug+0xc0/0xc0 [ 433.409670] ? find_held_lock+0x36/0x1c0 [ 433.413742] ? mark_held_locks+0xc7/0x130 [ 433.417902] rollback_registered+0x1e9/0x420 [ 433.422315] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 433.426908] ? rollback_registered_many+0x1210/0x1210 [ 433.432101] ? trace_hardirqs_on+0xbd/0x310 [ 433.436428] ? linkwatch_schedule_work+0x150/0x170 [ 433.441359] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.446824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.452367] ? rtnl_is_locked+0xb5/0xf0 [ 433.456343] ? rtnl_trylock+0x20/0x20 [ 433.460148] ? queue_delayed_work_on+0x130/0x1f0 [ 433.464920] unregister_netdevice_queue+0x321/0x5e0 [ 433.469943] ? rollback_registered+0x420/0x420 [ 433.474531] ? linkwatch_schedule_work+0x170/0x170 [ 433.479466] ? tun_show_owner+0x170/0x170 [ 433.483619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.489162] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 433.494526] ? __tun_detach+0x6ba/0x15c0 [ 433.498598] __tun_detach+0x11b8/0x15c0 [ 433.502576] ? __call_rcu.constprop.69+0x429/0xbc0 [ 433.507514] ? tun_attach+0x1900/0x1900 [ 433.511495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.517040] ? check_preemption_disabled+0x48/0x200 [ 433.522075] ? graph_lock+0x170/0x170 [ 433.525889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.531433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.536975] ? locks_remove_file+0x3c6/0x5c0 [ 433.541389] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 433.546929] ? ima_file_free+0x132/0x650 [ 433.550998] ? __lock_is_held+0xb5/0x140 [ 433.555064] ? __tun_detach+0x15c0/0x15c0 [ 433.559220] ? __tun_detach+0x15c0/0x15c0 [ 433.563369] tun_chr_close+0xe3/0x180 [ 433.567181] __fput+0x385/0xa30 [ 433.570471] ? get_max_files+0x20/0x20 [ 433.574367] ? ___might_sleep+0x1ed/0x300 [ 433.578516] ? arch_local_save_flags+0x40/0x40 [ 433.583112] ____fput+0x15/0x20 [ 433.586396] task_work_run+0x1e8/0x2a0 [ 433.590293] ? task_work_cancel+0x240/0x240 [ 433.594624] ? switch_task_namespaces+0xb8/0xd0 [ 433.599301] do_exit+0x1ad7/0x2610 [ 433.602864] ? mm_update_next_owner+0x990/0x990 [ 433.607545] ? print_usage_bug+0xc0/0xc0 [ 433.611608] ? perf_trace_lock+0x14d/0x7a0 [ 433.615862] ? __lock_acquire+0x7ec/0x4ec0 [ 433.620103] ? find_held_lock+0x36/0x1c0 [ 433.624176] ? __lock_acquire+0x7ec/0x4ec0 [ 433.628413] ? mark_held_locks+0x130/0x130 [ 433.632654] ? lock_acquire+0x1ed/0x520 [ 433.636636] ? mark_held_locks+0x130/0x130 [ 433.640876] ? arch_local_save_flags+0x40/0x40 [ 433.645466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.651025] ? __mutex_lock+0x85e/0x1700 [ 433.655092] ? __switch_to_asm+0x40/0x70 [ 433.659155] ? __switch_to_asm+0x34/0x70 [ 433.663219] ? pipe_wait+0x266/0x2c0 [ 433.666946] ? mutex_trylock+0x2b0/0x2b0 [ 433.671021] ? graph_lock+0x170/0x170 [ 433.674833] ? find_held_lock+0x36/0x1c0 [ 433.678904] ? memset+0x31/0x40 [ 433.682205] ? find_held_lock+0x36/0x1c0 [ 433.686277] ? get_signal+0x95b/0x1980 [ 433.690171] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.694671] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.699180] do_group_exit+0x177/0x440 [ 433.703072] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.708528] ? __ia32_sys_exit+0x50/0x50 [ 433.712604] get_signal+0x8b0/0x1980 [ 433.716334] ? ptrace_notify+0x130/0x130 [ 433.720398] ? finish_wait+0x430/0x430 [ 433.724291] ? graph_lock+0x170/0x170 [ 433.728107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.733652] ? pipe_read+0x702/0x940 [ 433.737369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.742926] do_signal+0x9c/0x21e0 [ 433.746470] ? __vfs_read+0x11f/0x9b0 [ 433.750278] ? vfs_copy_file_range+0xb90/0xb90 [ 433.754866] ? setup_sigcontext+0x7d0/0x7d0 [ 433.759212] ? exit_to_usermode_loop+0x8c/0x380 [ 433.763907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.769457] exit_to_usermode_loop+0x2e5/0x380 [ 433.774052] ? syscall_slow_exit_work+0x520/0x520 [ 433.778903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.784456] do_syscall_64+0x6be/0x820 [ 433.788354] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.793722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.798655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.803501] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.808524] ? prepare_exit_to_usermode+0x291/0x3b0 [ 433.813547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.818403] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.823598] RIP: 0033:0x410fa0 [ 433.826800] Code: Bad RIP value. [ 433.830166] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 433.837874] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 433.845150] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 433.852416] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 433.859681] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 433.866950] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 433.874250] warn_alloc_show_mem: 1 callbacks suppressed [ 433.874263] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 433.874265] Mem-Info: [ 433.874296] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 433.874296] active_file:8 inactive_file:19 isolated_file:0 [ 433.874296] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.874296] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 433.874296] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 433.874296] free:13766 free_pcp:526 free_cma:0 [ 433.879638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.887007] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.889409] Call Trace: [ 433.922364] Node 0 [ 433.931716] [ 433.959899] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 433.962467] dump_stack+0x1c4/0x2b4 [ 433.964673] lowmem_reserve[]: [ 433.966830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.992308] 0 [ 433.995950] warn_alloc.cold.119+0xb7/0x1bd [ 433.999016] 2819 [ 434.004199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.005974] 6323 [ 434.010295] ? lock_downgrade+0x900/0x900 [ 434.012332] 6323 [ 434.017171] ? trace_hardirqs_off+0xb8/0x310 [ 434.019207] Node 0 [ 434.023381] ? trace_hardirqs_off+0xb8/0x310 [ 434.025442] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 434.029832] __alloc_pages_slowpath+0x2667/0x2d80 [ 434.032035] lowmem_reserve[]: 0 [ 434.036480] ? warn_alloc+0x120/0x120 [ 434.064219] 0 3503 [ 434.069086] ? trace_hardirqs_on+0x310/0x310 [ 434.072331] 3503 [ 434.076129] ? warn_alloc+0x120/0x120 [ 434.083202] ? print_usage_bug+0xc0/0xc0 [ 434.085248] Node 0 [ 434.089045] ? warn_alloc+0x120/0x120 [ 434.093104] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 434.095313] ? ktime_get+0x2e1/0x440 [ 434.099078] lowmem_reserve[]: 0 [ 434.127644] ? print_usage_bug+0xc0/0xc0 [ 434.131334] 0 [ 434.134615] ? __lock_acquire+0x7ec/0x4ec0 [ 434.138647] 0 [ 434.140454] ? __lock_acquire+0x7ec/0x4ec0 [ 434.144662] 0 [ 434.146464] ? kasan_check_read+0x11/0x20 [ 434.150670] Node 0 [ 434.152470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.156581] DMA: 1*4kB [ 434.158829] ? should_fail+0x22d/0xd01 [ 434.164338] (U) [ 434.166922] ? rcu_bh_qs+0xc0/0xc0 [ 434.170785] 0*8kB [ 434.172758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.176275] 0*16kB [ 434.178422] ? __lock_acquire+0x7ec/0x4ec0 [ 434.183500] 1*32kB (U) [ 434.185753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.189957] 2*64kB [ 434.192537] ? __lock_acquire+0x7ec/0x4ec0 [ 434.197614] (U) [ 434.199853] ? should_fail+0x22d/0xd01 [ 434.204057] 1*128kB (U) [ 434.206041] ? rcu_idle_enter+0x4b0/0x4b0 [ 434.209902] 1*256kB (U) [ 434.212584] ? mark_held_locks+0x130/0x130 [ 434.216693] 0*512kB 1*1024kB [ 434.219366] ? mark_held_locks+0x130/0x130 [ 434.223576] (U) [ 434.226696] ? mark_held_locks+0xc7/0x130 [ 434.230914] 1*2048kB [ 434.232892] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 434.237015] (M) [ 434.239420] ? graph_lock+0x170/0x170 [ 434.244411] 3*4096kB [ 434.246382] ? print_usage_bug+0xc0/0xc0 [ 434.250157] (M) [ 434.252568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.256600] = 15908kB [ 434.258576] ? check_preemption_disabled+0x48/0x200 [ 434.264089] Node 0 [ 434.266495] ? check_preemption_disabled+0x48/0x200 [ 434.271486] DMA32: [ 434.273730] ? __lock_is_held+0xb5/0x140 [ 434.278714] 3*4kB [ 434.280948] __alloc_pages_nodemask+0xa80/0xde0 [ 434.284981] (M) [ 434.287125] ? graph_lock+0x170/0x170 [ 434.291770] 2*8kB [ 434.293747] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.297518] (UM) [ 434.299664] ? graph_lock+0x170/0x170 [ 434.304653] 2*16kB [ 434.306721] ? find_held_lock+0x36/0x1c0 [ 434.310485] (M) [ 434.312728] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.316752] 3*32kB (UM) [ 434.318731] ? lock_downgrade+0x900/0x900 [ 434.323368] 5*64kB (UM) [ 434.326056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.330173] 3*128kB [ 434.332848] cache_grow_begin+0x91/0x8c0 [ 434.338354] (M) [ 434.340675] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.344700] 3*256kB (M) [ 434.346688] fallback_alloc+0x203/0x2e0 [ 434.351057] 4*512kB (UM) [ 434.353741] ____cache_alloc_node+0x1c7/0x1e0 [ 434.357686] 3*1024kB [ 434.360440] kmem_cache_alloc_node+0xe3/0x730 [ 434.364916] (UM) [ 434.367327] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.371796] 3*2048kB [ 434.373869] __alloc_skb+0x119/0x770 [ 434.378073] (UM) [ 434.380482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.384166] 3*4096kB [ 434.386222] ? skb_scrub_packet+0x490/0x490 [ 434.391463] (M) = 25180kB [ 434.393881] ? lock_downgrade+0x900/0x900 [ 434.398188] Node 0 [ 434.400945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.405063] Normal: [ 434.407303] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.412835] 960*4kB [ 434.415158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.420580] (MEH) [ 434.422903] ? addrconf_rs_timer+0x690/0x690 [ 434.422930] ndisc_alloc_skb+0x144/0x340 [ 434.428352] 471*8kB [ 434.430509] ndisc_send_rs+0x331/0x6e0 [ 434.434892] (UME) [ 434.438958] addrconf_rs_timer+0x314/0x690 [ 434.441243] 178*16kB (ME) [ 434.445155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.447274] 44*32kB (UME) [ 434.451523] call_timer_fn+0x272/0x920 [ 434.454331] 1*64kB [ 434.458562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.461380] (U) 0*128kB [ 434.465283] ? process_timeout+0x40/0x40 [ 434.467504] 0*256kB [ 434.471735] ? find_held_lock+0x36/0x1c0 [ 434.474385] 2*512kB [ 434.478453] ? __run_timers+0x7da/0xc70 [ 434.480745] (U) [ 434.484808] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.487111] 1*1024kB [ 434.491081] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.493031] (U) [ 434.497522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.499922] 0*2048kB [ 434.504418] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 434.506367] 0*4096kB [ 434.510601] ? trace_hardirqs_on+0xbd/0x310 [ 434.512986] = 13976kB [ 434.517565] ? kasan_check_read+0x11/0x20 [ 434.519954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.524266] ? __run_timers+0x7da/0xc70 [ 434.526657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.530794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.539606] 2889 total pagecache pages [ 434.543582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.552135] 0 pages in swap cache [ 434.557579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.561436] Swap cache stats: add 0, delete 0, find 0/0 [ 434.561446] Free swap = 0kB [ 434.565680] __run_timers+0x7e5/0xc70 [ 434.569105] Total swap = 0kB [ 434.573347] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 434.578669] 1965979 pages RAM [ 434.581686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.585458] 0 pages HighMem/MovableOnly [ 434.588471] ? rcu_bh_qs+0xc0/0xc0 [ 434.593813] 342306 pages reserved [ 434.593829] 0 pages cma reserved [ 434.596933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.602268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.606165] ? check_preemption_disabled+0x48/0x200 [ 434.609792] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.613127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.616463] syz-executor1 cpuset= [ 434.621998] ? retint_kernel+0x2d/0x2d [ 434.628460] syz1 [ 434.633473] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.643935] mems_allowed=0 [ 434.648691] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.670549] ? trace_hardirqs_off+0x310/0x310 [ 434.675059] ? check_preemption_disabled+0x48/0x200 [ 434.680077] ? graph_lock+0x170/0x170 [ 434.683883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.689426] ? check_preemption_disabled+0x48/0x200 [ 434.694457] ? __lock_is_held+0xb5/0x140 [ 434.698525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.704064] ? check_preemption_disabled+0x48/0x200 [ 434.709088] run_timer_softirq+0x52/0xb0 [ 434.713154] ? rcu_read_lock_sched_held+0x108/0x120 [ 434.718170] __do_softirq+0x30b/0xad8 [ 434.721984] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 434.727095] ? pvclock_read_flags+0x160/0x160 [ 434.731597] ? lapic_next_event+0x5a/0x90 [ 434.735750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.741292] ? check_preemption_disabled+0x48/0x200 [ 434.746312] ? check_preemption_disabled+0x48/0x200 [ 434.751341] ? kvm_clock_read+0x18/0x30 [ 434.755319] ? kvm_sched_clock_read+0x9/0x20 [ 434.759731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.765274] ? check_preemption_disabled+0x48/0x200 [ 434.770306] irq_exit+0x17f/0x1c0 [ 434.773767] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.778609] ? smp_reschedule_interrupt+0x109/0x650 [ 434.783629] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.789520] ? interrupt_entry+0xb5/0xf0 [ 434.793586] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.798602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.803619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.808462] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.813476] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.818495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.824036] ? check_preemption_disabled+0x48/0x200 [ 434.829053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.834601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.839453] apic_timer_interrupt+0xf/0x20 [ 434.843687] [ 434.845927] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 434.850866] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 434.869767] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 434.877481] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 434.884747] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 434.892018] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 434.899287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 434.906557] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 434.913885] skb_clone+0x1bb/0x500 [ 434.917431] ? finish_task_switch+0x2f5/0x900 [ 434.921934] ? skb_split+0x11e0/0x11e0 [ 434.925833] ? preempt_notifier_register+0x200/0x200 [ 434.930941] ? __switch_to_asm+0x34/0x70 [ 434.935003] ? __switch_to_asm+0x34/0x70 [ 434.939065] ? __switch_to_asm+0x40/0x70 [ 434.943129] ? __switch_to_asm+0x34/0x70 [ 434.947196] ? __switch_to_asm+0x40/0x70 [ 434.951259] ? __switch_to_asm+0x34/0x70 [ 434.955323] ? __switch_to_asm+0x40/0x70 [ 434.959381] ? __switch_to_asm+0x34/0x70 [ 434.963452] ? __switch_to_asm+0x34/0x70 [ 434.967518] ? __switch_to_asm+0x40/0x70 [ 434.971577] ? __switch_to_asm+0x34/0x70 [ 434.975650] bpf_clone_redirect+0xb9/0x490 [ 434.979889] ? __schedule+0x874/0x1ed0 [ 434.983786] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 434.988812] ? __sched_text_start+0x8/0x8 [ 434.992995] ? retint_kernel+0x2d/0x2d [ 434.996892] ? find_held_lock+0x36/0x1c0 [ 435.000963] ? lock_acquire+0x1ed/0x520 [ 435.004939] ? bpf_test_run+0x3cb/0x780 [ 435.009700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.015243] ? check_preemption_disabled+0x48/0x200 [ 435.020269] ? kasan_check_read+0x11/0x20 [ 435.024422] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.029709] ? rcu_bh_qs+0xc0/0xc0 [ 435.033256] ? preempt_schedule+0x4d/0x60 [ 435.037414] ? ___preempt_schedule+0x16/0x18 [ 435.041842] ? bpf_test_run+0x25d/0x780 [ 435.045841] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.050258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.055799] ? bpf_test_init.isra.9+0x70/0x100 [ 435.060401] ? bpf_prog_test_run_skb+0x634/0xb40 [ 435.065632] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 435.070477] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.076016] ? fput+0x130/0x1a0 [ 435.079298] ? __bpf_prog_get+0x9b/0x290 [ 435.083364] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 435.088221] ? bpf_prog_test_run+0x130/0x1a0 [ 435.092642] ? __x64_sys_bpf+0x3d8/0x510 [ 435.096706] ? bpf_prog_get+0x20/0x20 [ 435.100534] ? do_syscall_64+0x1b9/0x820 [ 435.104601] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.109969] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.114902] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.119923] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.124944] ? recalc_sigpending_tsk+0x180/0x180 [ 435.129706] ? kasan_check_write+0x14/0x20 [ 435.133955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.138813] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.144209] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 435.144296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.151489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.151494] Call Trace: [ 435.151502] [ 435.151520] dump_stack+0x1c4/0x2b4 [ 435.151536] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.151563] warn_alloc.cold.119+0xb7/0x1bd [ 435.158150] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.167398] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.169959] syz-executor2 cpuset= [ 435.172105] ? lock_downgrade+0x900/0x900 [ 435.175705] syz2 [ 435.180904] ? trace_hardirqs_off+0xb8/0x310 [ 435.185194] mems_allowed=0 [ 435.195683] ? trace_hardirqs_off+0xb8/0x310 [ 435.221765] __alloc_pages_slowpath+0x2667/0x2d80 [ 435.226659] ? warn_alloc+0x120/0x120 [ 435.230472] ? trace_hardirqs_on+0x310/0x310 [ 435.234980] ? warn_alloc+0x120/0x120 [ 435.238785] ? print_usage_bug+0xc0/0xc0 [ 435.242896] ? warn_alloc+0x120/0x120 [ 435.246698] ? ktime_get+0x2e1/0x440 [ 435.250415] ? print_usage_bug+0xc0/0xc0 [ 435.254490] ? __lock_acquire+0x7ec/0x4ec0 [ 435.258725] ? __lock_acquire+0x7ec/0x4ec0 [ 435.262963] ? kasan_check_read+0x11/0x20 [ 435.267117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.272658] ? should_fail+0x22d/0xd01 [ 435.276555] ? rcu_bh_qs+0xc0/0xc0 [ 435.280104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.285213] ? __lock_acquire+0x7ec/0x4ec0 [ 435.289458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.294563] ? __lock_acquire+0x7ec/0x4ec0 [ 435.298798] ? should_fail+0x22d/0xd01 [ 435.302695] ? rcu_idle_enter+0x4b0/0x4b0 [ 435.306865] ? mark_held_locks+0x130/0x130 [ 435.311110] ? mark_held_locks+0x130/0x130 [ 435.315352] ? mark_held_locks+0xc7/0x130 [ 435.319498] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 435.324514] ? graph_lock+0x170/0x170 [ 435.328313] ? print_usage_bug+0xc0/0xc0 [ 435.332378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.337925] ? check_preemption_disabled+0x48/0x200 [ 435.342941] ? check_preemption_disabled+0x48/0x200 [ 435.347970] ? __lock_is_held+0xb5/0x140 [ 435.352045] __alloc_pages_nodemask+0xa80/0xde0 [ 435.356726] ? graph_lock+0x170/0x170 [ 435.360536] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.365556] ? graph_lock+0x170/0x170 [ 435.369371] ? find_held_lock+0x36/0x1c0 [ 435.373444] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.378119] ? lock_downgrade+0x900/0x900 [ 435.382283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.387839] cache_grow_begin+0x91/0x8c0 [ 435.391914] ? do_raw_spin_unlock+0xa7/0x2f0 [ 435.396339] fallback_alloc+0x203/0x2e0 [ 435.400326] ____cache_alloc_node+0x1c7/0x1e0 [ 435.404843] kmem_cache_alloc_node+0xe3/0x730 [ 435.409343] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.413592] __alloc_skb+0x119/0x770 [ 435.417307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.422590] ? skb_scrub_packet+0x490/0x490 [ 435.426927] ? lock_downgrade+0x900/0x900 [ 435.431088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.436638] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.442112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.447578] ? addrconf_rs_timer+0x690/0x690 [ 435.452009] ndisc_alloc_skb+0x144/0x340 [ 435.456087] ndisc_send_rs+0x331/0x6e0 [ 435.459989] addrconf_rs_timer+0x314/0x690 [ 435.464231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.468481] call_timer_fn+0x272/0x920 [ 435.472367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.476606] ? process_timeout+0x40/0x40 [ 435.480667] ? find_held_lock+0x36/0x1c0 [ 435.484735] ? mark_held_locks+0xc7/0x130 [ 435.488893] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.493390] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.497890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.502131] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 435.506718] ? trace_hardirqs_on+0xbd/0x310 [ 435.511040] ? kasan_check_read+0x11/0x20 [ 435.515187] ? __run_timers+0x7da/0xc70 [ 435.519162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.524619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.528862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.533102] __run_timers+0x7e5/0xc70 [ 435.536927] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 435.542293] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.547313] ? graph_lock+0x170/0x170 [ 435.551119] ? print_usage_bug+0xc0/0xc0 [ 435.555179] ? lock_release+0x970/0x970 [ 435.559159] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.564357] ? find_held_lock+0x36/0x1c0 [ 435.568428] ? graph_lock+0x170/0x170 [ 435.572236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.577774] ? check_preemption_disabled+0x48/0x200 [ 435.582801] ? __lock_is_held+0xb5/0x140 [ 435.586872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.592417] ? check_preemption_disabled+0x48/0x200 [ 435.597445] run_timer_softirq+0x52/0xb0 [ 435.601510] ? rcu_read_lock_sched_held+0x108/0x120 [ 435.606530] __do_softirq+0x30b/0xad8 [ 435.610347] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 435.615461] ? pvclock_read_flags+0x160/0x160 [ 435.619956] ? lapic_next_event+0x5a/0x90 [ 435.624109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.629654] ? check_preemption_disabled+0x48/0x200 [ 435.634670] ? check_preemption_disabled+0x48/0x200 [ 435.639698] ? kvm_clock_read+0x18/0x30 [ 435.643674] ? kvm_sched_clock_read+0x9/0x20 [ 435.648092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.653629] ? check_preemption_disabled+0x48/0x200 [ 435.658662] irq_exit+0x17f/0x1c0 [ 435.662123] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.666966] ? smp_reschedule_interrupt+0x109/0x650 [ 435.671987] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.677877] ? interrupt_entry+0xb5/0xf0 [ 435.681947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.687032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.692055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.696902] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.701922] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.706942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.712573] ? check_preemption_disabled+0x48/0x200 [ 435.717596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.723144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.727996] apic_timer_interrupt+0xf/0x20 [ 435.732230] [ 435.734470] RIP: 0010:console_unlock+0xfdf/0x1160 [ 435.739318] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 435.758218] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 435.765929] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 435.773199] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 435.780470] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 435.787736] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 435.795004] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 435.802635] ? netconsole_netdev_event+0x280/0x280 [ 435.807583] ? console_unlock+0xfd6/0x1160 [ 435.811856] ? devkmsg_read+0xbb0/0xbb0 [ 435.815844] ? vprintk_emit+0x7f7/0x930 [ 435.819838] ? lock_release+0x970/0x970 [ 435.823826] ? trace_hardirqs_on+0x10/0x310 [ 435.828150] ? vprintk_default+0x28/0x30 [ 435.832216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.837675] ? kasan_check_write+0x14/0x20 [ 435.841917] ? do_raw_spin_lock+0xc1/0x200 [ 435.846163] vprintk_emit+0x33d/0x930 [ 435.849975] ? wake_up_klogd+0x180/0x180 [ 435.854059] ? find_held_lock+0x36/0x1c0 [ 435.858133] ? mark_held_locks+0xc7/0x130 [ 435.862286] vprintk_default+0x28/0x30 [ 435.866176] vprintk_func+0x7e/0x181 [ 435.869898] printk+0xa7/0xcf [ 435.873010] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 435.877775] ? kasan_check_write+0x14/0x20 [ 435.882015] ? do_raw_spin_lock+0xc1/0x200 [ 435.886266] show_free_areas.cold.120+0x1b8e/0x215d [ 435.891311] ? si_meminfo_node+0x260/0x260 [ 435.895551] ? __lock_acquire+0x7ec/0x4ec0 [ 435.899790] ? __lock_acquire+0x7ec/0x4ec0 [ 435.904037] ? __lock_acquire+0x7ec/0x4ec0 [ 435.908285] ? kasan_check_write+0x14/0x20 [ 435.912521] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 435.918334] ? mark_held_locks+0x130/0x130 [ 435.922574] ? mark_held_locks+0x130/0x130 [ 435.926826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.932368] ? graph_lock+0x170/0x170 [ 435.936171] ? put_dec+0x3b/0xf0 [ 435.939541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.945078] ? number+0x972/0xca0 [ 435.948540] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 435.953977] ? find_held_lock+0x36/0x1c0 [ 435.958056] ? serial8250_console_write+0x8b3/0xb10 [ 435.963073] ? lock_downgrade+0x900/0x900 [ 435.967223] ? graph_lock+0x170/0x170 [ 435.971021] ? graph_lock+0x170/0x170 [ 435.974834] ? print_usage_bug+0xc0/0xc0 [ 435.978903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 435.983313] ? trace_hardirqs_on+0x310/0x310 [ 435.987724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.993264] ? wq_watchdog_touch+0x9c/0xfe [ 435.997502] ? io_serial_in+0x11/0x90 [ 436.001312] ? find_held_lock+0x36/0x1c0 [ 436.005389] ? mark_held_locks+0xc7/0x130 [ 436.009545] ? console_unlock+0xfaa/0x1160 [ 436.013788] ? console_unlock+0xfaa/0x1160 [ 436.018033] ? lockdep_hardirqs_on+0x421/0x5c0 [ 436.022629] ? vprintk_emit+0x33d/0x930 [ 436.026611] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.032068] ? kasan_check_write+0x14/0x20 [ 436.036310] ? do_raw_spin_lock+0xc1/0x200 [ 436.040555] ? netconsole_netdev_event+0x280/0x280 [ 436.045487] ? console_unlock+0x9ba/0x1160 [ 436.049739] ? devkmsg_read+0xbb0/0xbb0 [ 436.053722] ? lock_release+0x970/0x970 [ 436.057702] ? preempt_count_add+0x7d/0x160 [ 436.062031] ? wake_up_klogd+0x11a/0x180 [ 436.066100] ? console_device+0xc0/0xc0 [ 436.070092] ? vprintk_emit+0x268/0x930 [ 436.074080] ? wake_up_klogd+0x180/0x180 [ 436.078144] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.083009] ? trace_hardirqs_off+0x310/0x310 [ 436.087509] ? retint_kernel+0x1b/0x2d [ 436.091398] ? trace_hardirqs_on+0x310/0x310 [ 436.095829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.100602] ? retint_kernel+0x2d/0x2d [ 436.104502] ? arch_local_irq_restore+0x45/0x52 [ 436.109220] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 436.114237] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 436.119003] ? show_mem+0x1e/0x17b [ 436.122549] show_mem+0x34/0x17b [ 436.125927] dump_header+0x2f1/0xf72 [ 436.129653] ? pagefault_out_of_memory+0x197/0x197 [ 436.134597] ? __lock_acquire+0x7ec/0x4ec0 [ 436.138846] ? print_usage_bug+0xc0/0xc0 [ 436.142918] ? graph_lock+0x170/0x170 [ 436.146721] ? print_usage_bug+0xc0/0xc0 [ 436.150780] ? print_usage_bug+0xc0/0xc0 [ 436.154861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.160407] ? find_held_lock+0x36/0x1c0 [ 436.164477] ? mark_held_locks+0xc7/0x130 [ 436.168636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.173740] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.178855] ? lockdep_hardirqs_on+0x421/0x5c0 [ 436.183447] ? trace_hardirqs_on+0xbd/0x310 [ 436.187769] ? kasan_check_read+0x11/0x20 [ 436.191918] ? ___ratelimit+0x36f/0x655 [ 436.196172] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.201627] ? trace_hardirqs_on+0x310/0x310 [ 436.206040] ? lock_downgrade+0x900/0x900 [ 436.210197] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.215299] ? ___ratelimit+0xaa/0x655 [ 436.219188] ? idr_get_free+0xec0/0xec0 [ 436.223164] ? kasan_check_write+0x14/0x20 [ 436.227402] ? do_raw_spin_lock+0xc1/0x200 [ 436.231648] oom_kill_process.cold.27+0x10/0x903 [ 436.236413] ? graph_lock+0x170/0x170 [ 436.240225] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 436.246023] ? kasan_check_read+0x11/0x20 [ 436.250175] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.255456] ? oom_evaluate_task+0x540/0x540 [ 436.259870] ? find_held_lock+0x36/0x1c0 [ 436.263946] ? out_of_memory+0x974/0x1430 [ 436.268098] ? lock_downgrade+0x900/0x900 [ 436.272252] ? check_preemption_disabled+0x48/0x200 [ 436.277274] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 436.283076] ? kasan_check_read+0x11/0x20 [ 436.287224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.292502] ? rcu_bh_qs+0xc0/0xc0 [ 436.296046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.301584] ? oom_evaluate_task+0x302/0x540 [ 436.306003] out_of_memory+0xa84/0x1430 [ 436.309992] ? oom_killer_disable+0x3a0/0x3a0 [ 436.314490] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 436.319423] ? __mutex_add_waiter+0x2a0/0x2a0 [ 436.323934] __alloc_pages_slowpath+0x2318/0x2d80 [ 436.328808] ? warn_alloc+0x120/0x120 [ 436.332624] ? trace_hardirqs_on+0x310/0x310 [ 436.337042] ? print_usage_bug+0xc0/0xc0 [ 436.341107] ? warn_alloc+0x120/0x120 [ 436.344914] ? print_usage_bug+0xc0/0xc0 [ 436.348984] ? print_usage_bug+0xc0/0xc0 [ 436.353048] ? free_one_page+0x1700/0x1700 [ 436.357284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.362830] ? should_fail+0x22d/0xd01 [ 436.366726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.371836] ? __lock_acquire+0x7ec/0x4ec0 [ 436.376100] ? __lock_is_held+0xb5/0x140 [ 436.380174] ? graph_lock+0x170/0x170 [ 436.383983] ? ___might_sleep+0x1ed/0x300 [ 436.388130] ? lock_release+0x970/0x970 [ 436.392104] ? arch_local_save_flags+0x40/0x40 [ 436.396699] ? __might_sleep+0x95/0x190 [ 436.400679] __alloc_pages_nodemask+0xa80/0xde0 [ 436.405353] ? graph_lock+0x170/0x170 [ 436.409159] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 436.414177] ? graph_lock+0x170/0x170 [ 436.417993] ? mark_held_locks+0xc7/0x130 [ 436.422139] ? find_held_lock+0x36/0x1c0 [ 436.426207] ? cache_grow_begin+0x5a4/0x8c0 [ 436.430530] ? lockdep_hardirqs_on+0x421/0x5c0 [ 436.435115] ? trace_hardirqs_on+0xbd/0x310 [ 436.439438] ? fallback_alloc+0x203/0x2e0 [ 436.443589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.449046] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.454592] cache_grow_begin+0x91/0x8c0 [ 436.458659] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.463080] fallback_alloc+0x203/0x2e0 [ 436.467062] ____cache_alloc_node+0x1c7/0x1e0 [ 436.471567] kmem_cache_alloc_node_trace+0xe7/0x740 [ 436.476601] __kmalloc_node_track_caller+0x33/0x70 [ 436.481540] __kmalloc_reserve.isra.39+0x41/0xe0 [ 436.486302] __alloc_skb+0x155/0x770 [ 436.490025] ? skb_scrub_packet+0x490/0x490 [ 436.494350] ? if_nlmsg_size+0x5d1/0xbb0 [ 436.498416] ? nla_put_ifalias+0x170/0x170 [ 436.502663] ? sk_psock_stop_strp+0x120/0x120 [ 436.507158] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 436.512178] ? netif_tx_stop_all_queues+0xd9/0x110 [ 436.517112] rtmsg_ifinfo_build_skb+0x74/0x190 [ 436.521700] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 436.526551] rtmsg_ifinfo+0x8c/0xa0 [ 436.530183] dev_close_many+0x3be/0x860 [ 436.534173] ? netdev_master_upper_dev_link+0x50/0x50 [ 436.539367] ? find_held_lock+0x36/0x1c0 [ 436.543438] ? __queue_work+0x6be/0x1440 [ 436.547506] ? lock_downgrade+0x900/0x900 [ 436.551662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.557204] ? rtnl_is_locked+0xb5/0xf0 [ 436.561181] ? rtnl_trylock+0x20/0x20 [ 436.564988] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.569402] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 436.573997] rollback_registered_many+0x543/0x1210 [ 436.578940] ? generic_xdp_install+0x4c0/0x4c0 [ 436.583533] ? max_active_store+0x170/0x170 [ 436.587862] ? graph_lock+0x170/0x170 [ 436.591673] ? print_usage_bug+0xc0/0xc0 [ 436.595735] ? print_usage_bug+0xc0/0xc0 [ 436.599796] ? __debug_object_init+0x57d/0x1290 [ 436.604473] ? graph_lock+0x170/0x170 [ 436.608275] ? print_usage_bug+0xc0/0xc0 [ 436.612343] ? find_held_lock+0x36/0x1c0 [ 436.616418] ? mark_held_locks+0xc7/0x130 [ 436.620572] rollback_registered+0x1e9/0x420 [ 436.624981] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 436.629563] ? rollback_registered_many+0x1210/0x1210 [ 436.634756] ? trace_hardirqs_on+0xbd/0x310 [ 436.639082] ? linkwatch_schedule_work+0x150/0x170 [ 436.644015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.649475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.655020] ? rtnl_is_locked+0xb5/0xf0 [ 436.658998] ? rtnl_trylock+0x20/0x20 [ 436.662808] ? queue_delayed_work_on+0x130/0x1f0 [ 436.667582] unregister_netdevice_queue+0x321/0x5e0 [ 436.672611] ? rollback_registered+0x420/0x420 [ 436.677203] ? linkwatch_schedule_work+0x170/0x170 [ 436.682136] ? tun_show_owner+0x170/0x170 [ 436.686289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.691839] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 436.697208] ? __tun_detach+0x6ba/0x15c0 [ 436.701277] __tun_detach+0x11b8/0x15c0 [ 436.705258] ? __call_rcu.constprop.69+0x429/0xbc0 [ 436.710195] ? tun_attach+0x1900/0x1900 [ 436.714175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.719715] ? check_preemption_disabled+0x48/0x200 [ 436.724744] ? graph_lock+0x170/0x170 [ 436.728552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.734092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.739629] ? locks_remove_file+0x3c6/0x5c0 [ 436.744045] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 436.749588] ? ima_file_free+0x132/0x650 [ 436.753657] ? __lock_is_held+0xb5/0x140 [ 436.757725] ? __tun_detach+0x15c0/0x15c0 [ 436.761878] ? __tun_detach+0x15c0/0x15c0 [ 436.766030] tun_chr_close+0xe3/0x180 [ 436.769845] __fput+0x385/0xa30 [ 436.773141] ? get_max_files+0x20/0x20 [ 436.777038] ? ___might_sleep+0x1ed/0x300 [ 436.781194] ? arch_local_save_flags+0x40/0x40 [ 436.785787] ____fput+0x15/0x20 [ 436.789077] task_work_run+0x1e8/0x2a0 [ 436.792969] ? task_work_cancel+0x240/0x240 [ 436.797559] ? switch_task_namespaces+0xb8/0xd0 [ 436.802236] do_exit+0x1ad7/0x2610 [ 436.805791] ? mm_update_next_owner+0x990/0x990 [ 436.810466] ? print_usage_bug+0xc0/0xc0 [ 436.814527] ? perf_trace_lock+0x14d/0x7a0 [ 436.818767] ? __lock_acquire+0x7ec/0x4ec0 [ 436.823051] ? find_held_lock+0x36/0x1c0 [ 436.827125] ? __lock_acquire+0x7ec/0x4ec0 [ 436.831362] ? mark_held_locks+0x130/0x130 [ 436.835602] ? lock_acquire+0x1ed/0x520 [ 436.839585] ? mark_held_locks+0x130/0x130 [ 436.843829] ? arch_local_save_flags+0x40/0x40 [ 436.848414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.853979] ? __mutex_lock+0x85e/0x1700 [ 436.858047] ? __switch_to_asm+0x40/0x70 [ 436.862109] ? __switch_to_asm+0x34/0x70 [ 436.866171] ? pipe_wait+0x266/0x2c0 [ 436.869901] ? mutex_trylock+0x2b0/0x2b0 [ 436.873977] ? graph_lock+0x170/0x170 [ 436.877783] ? find_held_lock+0x36/0x1c0 [ 436.881860] ? memset+0x31/0x40 [ 436.885150] ? find_held_lock+0x36/0x1c0 [ 436.889222] ? get_signal+0x95b/0x1980 [ 436.893114] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.897613] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.902120] do_group_exit+0x177/0x440 [ 436.906015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.911465] ? __ia32_sys_exit+0x50/0x50 [ 436.915541] get_signal+0x8b0/0x1980 [ 436.919272] ? ptrace_notify+0x130/0x130 [ 436.923338] ? finish_wait+0x430/0x430 [ 436.927231] ? graph_lock+0x170/0x170 [ 436.931042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.936581] ? pipe_read+0x702/0x940 [ 436.940299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.945857] do_signal+0x9c/0x21e0 [ 436.949406] ? __vfs_read+0x11f/0x9b0 [ 436.953244] ? vfs_copy_file_range+0xb90/0xb90 [ 436.957837] ? setup_sigcontext+0x7d0/0x7d0 [ 436.962185] ? exit_to_usermode_loop+0x8c/0x380 [ 436.966879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.972439] exit_to_usermode_loop+0x2e5/0x380 [ 436.977034] ? syscall_slow_exit_work+0x520/0x520 [ 436.981883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.987444] do_syscall_64+0x6be/0x820 [ 436.991340] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 436.996708] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.001638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.006484] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.011509] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.016533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.021387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.026583] RIP: 0033:0x410fa0 [ 437.029783] Code: Bad RIP value. [ 437.033147] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 437.040857] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 437.048133] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 437.055403] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 437.062677] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 437.069950] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 437.077253] warn_alloc_show_mem: 1 callbacks suppressed [ 437.077265] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 437.077267] Mem-Info: [ 437.077299] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 437.077299] active_file:8 inactive_file:19 isolated_file:0 [ 437.077299] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.077299] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 437.077299] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 437.077299] free:13766 free_pcp:526 free_cma:0 [ 437.082637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.082646] Call Trace: [ 437.090016] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.092415] [ 437.125389] Node 0 [ 437.134758] dump_stack+0x1c4/0x2b4 [ 437.137332] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.165080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 437.167205] lowmem_reserve[]: [ 437.169449] warn_alloc.cold.119+0xb7/0x1bd [ 437.173039] 0 [ 437.198893] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.204056] 2819 [ 437.207156] ? lock_downgrade+0x900/0x900 [ 437.211450] 6323 [ 437.213251] ? trace_hardirqs_off+0xb8/0x310 [ 437.218064] 6323 [ 437.220127] ? trace_hardirqs_off+0xb8/0x310 [ 437.224246] Node 0 [ 437.226311] __alloc_pages_slowpath+0x2667/0x2d80 [ 437.230734] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 437.232791] ? warn_alloc+0x120/0x120 [ 437.237144] lowmem_reserve[]: [ 437.239381] ? trace_hardirqs_on+0x310/0x310 [ 437.244199] 0 [ 437.271352] ? warn_alloc+0x120/0x120 [ 437.275131] 0 [ 437.278233] ? print_usage_bug+0xc0/0xc0 [ 437.282616] 3503 [ 437.284413] ? warn_alloc+0x120/0x120 [ 437.288186] 3503 [ 437.289982] ? ktime_get+0x2e1/0x440 [ 437.294020] Node 0 [ 437.296082] ? print_usage_bug+0xc0/0xc0 [ 437.299885] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 437.301914] ? __lock_acquire+0x7ec/0x4ec0 [ 437.305594] lowmem_reserve[]: 0 [ 437.307841] ? __lock_acquire+0x7ec/0x4ec0 [ 437.311881] 0 [ 437.340424] ? kasan_check_read+0x11/0x20 [ 437.344631] 0 [ 437.347904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.347923] ? should_fail+0x22d/0xd01 [ 437.352133] 0 [ 437.353935] ? rcu_bh_qs+0xc0/0xc0 [ 437.359859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.365373] Node 0 [ 437.369261] ? __lock_acquire+0x7ec/0x4ec0 [ 437.371036] DMA: [ 437.374574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.379649] 1*4kB [ 437.381881] ? __lock_acquire+0x7ec/0x4ec0 [ 437.386098] (U) [ 437.388160] ? should_fail+0x22d/0xd01 [ 437.393240] 0*8kB [ 437.395385] ? rcu_idle_enter+0x4b0/0x4b0 [ 437.399590] 0*16kB [ 437.401567] ? mark_held_locks+0x130/0x130 [ 437.405418] 1*32kB (U) [ 437.407574] ? mark_held_locks+0x130/0x130 [ 437.411696] 2*64kB [ 437.413926] ? mark_held_locks+0xc7/0x130 [ 437.418132] (U) [ 437.420725] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 437.424935] 1*128kB [ 437.427163] ? graph_lock+0x170/0x170 [ 437.431284] (U) [ 437.433254] ? print_usage_bug+0xc0/0xc0 [ 437.438238] 1*256kB (U) [ 437.440608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.444386] 0*512kB [ 437.446377] ? check_preemption_disabled+0x48/0x200 [ 437.450409] 1*1024kB [ 437.453072] ? check_preemption_disabled+0x48/0x200 [ 437.458588] (U) [ 437.460914] ? __lock_is_held+0xb5/0x140 [ 437.465910] 1*2048kB [ 437.468320] __alloc_pages_nodemask+0xa80/0xde0 [ 437.473310] (M) [ 437.475279] ? graph_lock+0x170/0x170 [ 437.479317] 3*4096kB [ 437.481719] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 437.486376] (M) [ 437.488349] ? graph_lock+0x170/0x170 [ 437.492124] = 15908kB [ 437.494533] ? find_held_lock+0x36/0x1c0 [ 437.499519] Node 0 [ 437.501493] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.505263] DMA32: [ 437.507668] ? lock_downgrade+0x900/0x900 [ 437.511705] 3*4kB [ 437.513942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.518575] (M) 2*8kB [ 437.520828] cache_grow_begin+0x91/0x8c0 [ 437.524953] (UM) [ 437.527100] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.532605] 2*16kB (M) [ 437.535108] fallback_alloc+0x203/0x2e0 [ 437.539134] 3*32kB (UM) [ 437.541202] ____cache_alloc_node+0x1c7/0x1e0 [ 437.545583] 5*64kB [ 437.548166] kmem_cache_alloc_node+0xe3/0x730 [ 437.552110] (UM) [ 437.554782] ? ipv6_get_ifaddr+0x42e/0x620 [ 437.559247] 3*128kB (M) [ 437.561496] __alloc_skb+0x119/0x770 [ 437.565958] 3*256kB (M) [ 437.568029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 437.572227] 4*512kB (UM) [ 437.574906] ? skb_scrub_packet+0x490/0x490 [ 437.578594] 3*1024kB [ 437.581261] ? lock_downgrade+0x900/0x900 [ 437.586513] (UM) [ 437.589272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.593562] 3*2048kB [ 437.595969] ? refcount_sub_and_test_checked+0x203/0x310 [ 437.600085] (UM) [ 437.602143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 437.607647] 3*4096kB (M) [ 437.610064] ? addrconf_rs_timer+0x690/0x690 [ 437.615486] = 25180kB [ 437.617553] ndisc_alloc_skb+0x144/0x340 [ 437.622967] Node 0 [ 437.625724] ndisc_send_rs+0x331/0x6e0 [ 437.630102] Normal: [ 437.632507] addrconf_rs_timer+0x314/0x690 [ 437.636540] 960*4kB [ 437.638774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.642632] (MEH) [ 437.644964] call_timer_fn+0x272/0x920 [ 437.649166] 471*8kB [ 437.651479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.655691] (UME) [ 437.657847] ? process_timeout+0x40/0x40 [ 437.661705] 178*16kB (ME) [ 437.664031] ? find_held_lock+0x36/0x1c0 [ 437.668238] 44*32kB [ 437.670396] ? __run_timers+0x7da/0xc70 [ 437.674418] (UME) [ 437.677259] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.681287] 1*64kB (U) [ 437.683614] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.687558] 0*128kB 0*256kB [ 437.689715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.694178] 2*512kB (U) [ 437.696764] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 437.701234] 1*1024kB [ 437.704247] ? trace_hardirqs_on+0xbd/0x310 [ 437.708452] (U) [ 437.711122] ? kasan_check_read+0x11/0x20 [ 437.715675] 0*2048kB [ 437.718083] ? __run_timers+0x7da/0xc70 [ 437.722378] 0*4096kB [ 437.724353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.728467] = 13976kB [ 437.728482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.730886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.734848] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.737251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.742675] 2889 total pagecache pages [ 437.745088] __run_timers+0x7e5/0xc70 [ 437.753921] 0 pages in swap cache [ 437.758157] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 437.766694] Swap cache stats: add 0, delete 0, find 0/0 [ 437.766703] Free swap = 0kB [ 437.770942] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 437.774797] Total swap = 0kB [ 437.778596] ? rcu_bh_qs+0xc0/0xc0 [ 437.782028] 1965979 pages RAM [ 437.787384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.792717] 0 pages HighMem/MovableOnly [ 437.795732] ? check_preemption_disabled+0x48/0x200 [ 437.800976] 342306 pages reserved [ 437.800984] 0 pages cma reserved [ 437.804004] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.807594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.810610] ? retint_kernel+0x2d/0x2d [ 437.816181] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.820088] ? trace_hardirqs_on_caller+0xc0/0x310 [ 437.825077] syz-executor1 cpuset= [ 437.828528] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.831870] syz1 [ 437.836623] ? trace_hardirqs_off+0x310/0x310 [ 437.843094] mems_allowed=0 [ 437.846982] ? check_preemption_disabled+0x48/0x200 [ 437.884887] ? graph_lock+0x170/0x170 [ 437.888696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.894239] ? check_preemption_disabled+0x48/0x200 [ 437.899272] ? __lock_is_held+0xb5/0x140 [ 437.903339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.908882] ? check_preemption_disabled+0x48/0x200 [ 437.913909] run_timer_softirq+0x52/0xb0 [ 437.917975] ? rcu_read_lock_sched_held+0x108/0x120 [ 437.922995] __do_softirq+0x30b/0xad8 [ 437.926809] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 437.931929] ? pvclock_read_flags+0x160/0x160 [ 437.936428] ? lapic_next_event+0x5a/0x90 [ 437.940582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.946124] ? check_preemption_disabled+0x48/0x200 [ 437.951346] ? check_preemption_disabled+0x48/0x200 [ 437.956378] ? kvm_clock_read+0x18/0x30 [ 437.960359] ? kvm_sched_clock_read+0x9/0x20 [ 437.964775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.970317] ? check_preemption_disabled+0x48/0x200 [ 437.975347] irq_exit+0x17f/0x1c0 [ 437.978829] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.983682] ? smp_reschedule_interrupt+0x109/0x650 [ 437.988702] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.994590] ? interrupt_entry+0xb5/0xf0 [ 437.998657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.003671] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.008692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.013540] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.018558] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.023583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.029125] ? check_preemption_disabled+0x48/0x200 [ 438.034142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.039695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.044551] apic_timer_interrupt+0xf/0x20 [ 438.048789] [ 438.051041] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 438.055972] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 438.074875] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 438.083101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 438.090371] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 438.097644] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 438.104914] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 438.112186] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 438.119508] skb_clone+0x1bb/0x500 [ 438.123050] ? finish_task_switch+0x2f5/0x900 [ 438.127546] ? skb_split+0x11e0/0x11e0 [ 438.131437] ? preempt_notifier_register+0x200/0x200 [ 438.136543] ? __switch_to_asm+0x34/0x70 [ 438.140606] ? __switch_to_asm+0x34/0x70 [ 438.144670] ? __switch_to_asm+0x40/0x70 [ 438.148729] ? __switch_to_asm+0x34/0x70 [ 438.152792] ? __switch_to_asm+0x40/0x70 [ 438.156859] ? __switch_to_asm+0x34/0x70 [ 438.160920] ? __switch_to_asm+0x40/0x70 [ 438.164979] ? __switch_to_asm+0x34/0x70 [ 438.169044] ? __switch_to_asm+0x34/0x70 [ 438.173105] ? __switch_to_asm+0x40/0x70 [ 438.177169] ? __switch_to_asm+0x34/0x70 [ 438.181242] bpf_clone_redirect+0xb9/0x490 [ 438.185483] ? __schedule+0x874/0x1ed0 [ 438.189380] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 438.194409] ? __sched_text_start+0x8/0x8 [ 438.198567] ? retint_kernel+0x2d/0x2d [ 438.202467] ? find_held_lock+0x36/0x1c0 [ 438.206541] ? lock_acquire+0x1ed/0x520 [ 438.210519] ? bpf_test_run+0x3cb/0x780 [ 438.214500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.220039] ? check_preemption_disabled+0x48/0x200 [ 438.225068] ? kasan_check_read+0x11/0x20 [ 438.229220] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.234498] ? rcu_bh_qs+0xc0/0xc0 [ 438.238042] ? preempt_schedule+0x4d/0x60 [ 438.242193] ? ___preempt_schedule+0x16/0x18 [ 438.246623] ? bpf_test_run+0x25d/0x780 [ 438.250610] ? netlink_diag_dump+0x2a0/0x2a0 [ 438.255029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.260566] ? bpf_test_init.isra.9+0x70/0x100 [ 438.265154] ? bpf_prog_test_run_skb+0x634/0xb40 [ 438.269918] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 438.274764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 438.280304] ? fput+0x130/0x1a0 [ 438.283591] ? __bpf_prog_get+0x9b/0x290 [ 438.287655] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 438.292496] ? bpf_prog_test_run+0x130/0x1a0 [ 438.296913] ? __x64_sys_bpf+0x3d8/0x510 [ 438.300979] ? bpf_prog_get+0x20/0x20 [ 438.304802] ? do_syscall_64+0x1b9/0x820 [ 438.308872] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 438.314241] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.319175] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.324198] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 438.329214] ? recalc_sigpending_tsk+0x180/0x180 [ 438.333973] ? kasan_check_write+0x14/0x20 [ 438.338216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.343069] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 438.348483] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 438.348571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 438.355763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.355772] Call Trace: [ 438.362352] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.371592] [ 438.374160] syz-executor2 cpuset= [ 438.384642] dump_stack+0x1c4/0x2b4 [ 438.386766] syz2 [ 438.390216] ? dump_stack_print_info.cold.2+0x52/0x52 [ 438.393833] mems_allowed=0 [ 438.395808] warn_alloc.cold.119+0xb7/0x1bd [ 438.408207] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.413058] ? lock_downgrade+0x900/0x900 [ 438.417216] ? trace_hardirqs_off+0xb8/0x310 [ 438.421636] ? trace_hardirqs_off+0xb8/0x310 [ 438.426059] __alloc_pages_slowpath+0x2667/0x2d80 [ 438.430942] ? warn_alloc+0x120/0x120 [ 438.434750] ? warn_alloc+0x120/0x120 [ 438.438557] ? print_usage_bug+0xc0/0xc0 [ 438.442617] ? warn_alloc+0x120/0x120 [ 438.446419] ? print_usage_bug+0xc0/0xc0 [ 438.450659] ? __lock_acquire+0x7ec/0x4ec0 [ 438.454903] ? __lock_acquire+0x7ec/0x4ec0 [ 438.459139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.464680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.470216] ? should_fail+0x22d/0xd01 [ 438.474110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.479215] ? __lock_acquire+0x7ec/0x4ec0 [ 438.483453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.488556] ? __lock_acquire+0x7ec/0x4ec0 [ 438.492794] ? should_fail+0x22d/0xd01 [ 438.496702] ? mark_held_locks+0x130/0x130 [ 438.500945] ? mark_held_locks+0x130/0x130 [ 438.505183] ? graph_lock+0x170/0x170 [ 438.508987] ? print_usage_bug+0xc0/0xc0 [ 438.513049] ? graph_lock+0x170/0x170 [ 438.516855] ? print_usage_bug+0xc0/0xc0 [ 438.520922] ? wq_watchdog_touch+0x9c/0xfe [ 438.525157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.530695] ? check_preemption_disabled+0x48/0x200 [ 438.535713] ? check_preemption_disabled+0x48/0x200 [ 438.540742] ? __lock_is_held+0xb5/0x140 [ 438.544814] __alloc_pages_nodemask+0xa80/0xde0 [ 438.549497] ? graph_lock+0x170/0x170 [ 438.553306] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.558322] ? graph_lock+0x170/0x170 [ 438.562135] ? find_held_lock+0x36/0x1c0 [ 438.566211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.570881] ? lock_downgrade+0x900/0x900 [ 438.575048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.580595] cache_grow_begin+0x91/0x8c0 [ 438.584660] ? do_raw_spin_unlock+0xa7/0x2f0 [ 438.589082] fallback_alloc+0x203/0x2e0 [ 438.593071] ____cache_alloc_node+0x1c7/0x1e0 [ 438.597579] kmem_cache_alloc_node+0xe3/0x730 [ 438.602081] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.606328] __alloc_skb+0x119/0x770 [ 438.610062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.615350] ? skb_scrub_packet+0x490/0x490 [ 438.619674] ? lock_downgrade+0x900/0x900 [ 438.623839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.629380] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.634841] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.640297] ? addrconf_rs_timer+0x690/0x690 [ 438.644719] ndisc_alloc_skb+0x144/0x340 [ 438.648794] ndisc_send_rs+0x331/0x6e0 [ 438.652701] addrconf_rs_timer+0x314/0x690 [ 438.656947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.661196] call_timer_fn+0x272/0x920 [ 438.665083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.669322] ? process_timeout+0x40/0x40 [ 438.673383] ? find_held_lock+0x36/0x1c0 [ 438.677456] ? mark_held_locks+0xc7/0x130 [ 438.681616] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.686112] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.690611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.694858] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 438.699446] ? trace_hardirqs_on+0xbd/0x310 [ 438.703771] ? kasan_check_read+0x11/0x20 [ 438.707928] ? __run_timers+0x7da/0xc70 [ 438.711908] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.717365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.721610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.725850] __run_timers+0x7e5/0xc70 [ 438.729668] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 438.735039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.740061] ? graph_lock+0x170/0x170 [ 438.743871] ? print_usage_bug+0xc0/0xc0 [ 438.747941] ? lock_release+0x970/0x970 [ 438.751921] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.757127] ? find_held_lock+0x36/0x1c0 [ 438.761200] ? graph_lock+0x170/0x170 [ 438.765010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.770551] ? check_preemption_disabled+0x48/0x200 [ 438.775582] ? __lock_is_held+0xb5/0x140 [ 438.779647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.785186] ? check_preemption_disabled+0x48/0x200 [ 438.790212] run_timer_softirq+0x52/0xb0 [ 438.794278] ? rcu_read_lock_sched_held+0x108/0x120 [ 438.799298] __do_softirq+0x30b/0xad8 [ 438.803113] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 438.808226] ? pvclock_read_flags+0x160/0x160 [ 438.812723] ? lapic_next_event+0x5a/0x90 [ 438.816876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.822427] ? check_preemption_disabled+0x48/0x200 [ 438.827455] ? check_preemption_disabled+0x48/0x200 [ 438.832486] ? kvm_clock_read+0x18/0x30 [ 438.836466] ? kvm_sched_clock_read+0x9/0x20 [ 438.840880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.846430] ? check_preemption_disabled+0x48/0x200 [ 438.851462] irq_exit+0x17f/0x1c0 [ 438.854925] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.859787] ? smp_reschedule_interrupt+0x109/0x650 [ 438.864816] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.870713] ? interrupt_entry+0xb5/0xf0 [ 438.874782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.879797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.884832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.889680] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.894706] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.899723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.905265] ? check_preemption_disabled+0x48/0x200 [ 438.910283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.915840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.920692] apic_timer_interrupt+0xf/0x20 [ 438.924919] [ 438.927162] RIP: 0010:console_unlock+0xfdf/0x1160 [ 438.932010] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 438.951202] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 438.958920] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 438.966187] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 438.973452] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 438.980718] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 438.987984] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 438.995271] ? netconsole_netdev_event+0x280/0x280 [ 439.000216] ? console_unlock+0xfd6/0x1160 [ 439.004475] ? devkmsg_read+0xbb0/0xbb0 [ 439.008448] ? vprintk_emit+0x7f7/0x930 [ 439.012431] ? lock_release+0x970/0x970 [ 439.016410] ? trace_hardirqs_on+0x10/0x310 [ 439.020734] ? vprintk_default+0x28/0x30 [ 439.024800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.030260] ? kasan_check_write+0x14/0x20 [ 439.034500] ? do_raw_spin_lock+0xc1/0x200 [ 439.038747] vprintk_emit+0x33d/0x930 [ 439.042555] ? wake_up_klogd+0x180/0x180 [ 439.046641] ? find_held_lock+0x36/0x1c0 [ 439.050717] ? mark_held_locks+0xc7/0x130 [ 439.054875] vprintk_default+0x28/0x30 [ 439.058770] vprintk_func+0x7e/0x181 [ 439.062489] printk+0xa7/0xcf [ 439.065597] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 439.070362] ? kasan_check_write+0x14/0x20 [ 439.074601] ? do_raw_spin_lock+0xc1/0x200 [ 439.078857] show_free_areas.cold.120+0x1b8e/0x215d [ 439.083913] ? si_meminfo_node+0x260/0x260 [ 439.088153] ? __lock_acquire+0x7ec/0x4ec0 [ 439.092393] ? __lock_acquire+0x7ec/0x4ec0 [ 439.096634] ? __lock_acquire+0x7ec/0x4ec0 [ 439.100871] ? kasan_check_write+0x14/0x20 [ 439.105116] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 439.110932] ? mark_held_locks+0x130/0x130 [ 439.115170] ? mark_held_locks+0x130/0x130 [ 439.119411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.124950] ? graph_lock+0x170/0x170 [ 439.128753] ? put_dec+0x3b/0xf0 [ 439.132127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.137665] ? number+0x972/0xca0 [ 439.141127] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 439.146149] ? find_held_lock+0x36/0x1c0 [ 439.150222] ? serial8250_console_write+0x8b3/0xb10 [ 439.155240] ? lock_downgrade+0x900/0x900 [ 439.159389] ? graph_lock+0x170/0x170 [ 439.163194] ? graph_lock+0x170/0x170 [ 439.167000] ? print_usage_bug+0xc0/0xc0 [ 439.171061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.175475] ? trace_hardirqs_on+0x310/0x310 [ 439.179886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.185431] ? wq_watchdog_touch+0x9c/0xfe [ 439.189667] ? io_serial_in+0x11/0x90 [ 439.193480] ? find_held_lock+0x36/0x1c0 [ 439.197550] ? mark_held_locks+0xc7/0x130 [ 439.201704] ? console_unlock+0xfaa/0x1160 [ 439.205938] ? console_unlock+0xfaa/0x1160 [ 439.210177] ? lockdep_hardirqs_on+0x421/0x5c0 [ 439.214765] ? vprintk_emit+0x33d/0x930 [ 439.218742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.224197] ? kasan_check_write+0x14/0x20 [ 439.228438] ? do_raw_spin_lock+0xc1/0x200 [ 439.232682] ? netconsole_netdev_event+0x280/0x280 [ 439.237614] ? console_unlock+0x9ba/0x1160 [ 439.241867] ? devkmsg_read+0xbb0/0xbb0 [ 439.245856] ? lock_release+0x970/0x970 [ 439.249843] ? preempt_count_add+0x7d/0x160 [ 439.254170] ? wake_up_klogd+0x11a/0x180 [ 439.258237] ? console_device+0xc0/0xc0 [ 439.262227] ? vprintk_emit+0x268/0x930 [ 439.266211] ? wake_up_klogd+0x180/0x180 [ 439.270272] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.275032] ? trace_hardirqs_off+0x310/0x310 [ 439.279528] ? retint_kernel+0x1b/0x2d [ 439.283416] ? trace_hardirqs_on+0x310/0x310 [ 439.287842] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.292614] ? retint_kernel+0x2d/0x2d [ 439.296517] ? arch_local_irq_restore+0x45/0x52 [ 439.301194] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 439.306211] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 439.310979] ? show_mem+0x1e/0x17b [ 439.314529] show_mem+0x34/0x17b [ 439.317910] dump_header+0x2f1/0xf72 [ 439.321635] ? pagefault_out_of_memory+0x197/0x197 [ 439.326574] ? __lock_acquire+0x7ec/0x4ec0 [ 439.330817] ? print_usage_bug+0xc0/0xc0 [ 439.334899] ? graph_lock+0x170/0x170 [ 439.338705] ? print_usage_bug+0xc0/0xc0 [ 439.342763] ? print_usage_bug+0xc0/0xc0 [ 439.346846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.352389] ? find_held_lock+0x36/0x1c0 [ 439.356458] ? mark_held_locks+0xc7/0x130 [ 439.360612] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.365714] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.370817] ? lockdep_hardirqs_on+0x421/0x5c0 [ 439.375412] ? trace_hardirqs_on+0xbd/0x310 [ 439.379739] ? kasan_check_read+0x11/0x20 [ 439.383886] ? ___ratelimit+0x36f/0x655 [ 439.387866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.393326] ? trace_hardirqs_on+0x310/0x310 [ 439.397735] ? lock_downgrade+0x900/0x900 [ 439.401897] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.407011] ? ___ratelimit+0xaa/0x655 [ 439.410905] ? idr_get_free+0xec0/0xec0 [ 439.414888] ? kasan_check_write+0x14/0x20 [ 439.419132] ? do_raw_spin_lock+0xc1/0x200 [ 439.423379] oom_kill_process.cold.27+0x10/0x903 [ 439.428138] ? graph_lock+0x170/0x170 [ 439.431950] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 439.437751] ? kasan_check_read+0x11/0x20 [ 439.441911] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.447195] ? oom_evaluate_task+0x540/0x540 [ 439.451609] ? find_held_lock+0x36/0x1c0 [ 439.455691] ? out_of_memory+0x974/0x1430 [ 439.459861] ? lock_downgrade+0x900/0x900 [ 439.464020] ? check_preemption_disabled+0x48/0x200 [ 439.469042] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 439.474846] ? kasan_check_read+0x11/0x20 [ 439.478995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.484273] ? rcu_bh_qs+0xc0/0xc0 [ 439.487832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.493373] ? oom_evaluate_task+0x302/0x540 [ 439.497789] out_of_memory+0xa84/0x1430 [ 439.501782] ? oom_killer_disable+0x3a0/0x3a0 [ 439.506277] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 439.511209] ? __mutex_add_waiter+0x2a0/0x2a0 [ 439.515722] __alloc_pages_slowpath+0x2318/0x2d80 [ 439.520598] ? warn_alloc+0x120/0x120 [ 439.524405] ? trace_hardirqs_on+0x310/0x310 [ 439.528830] ? print_usage_bug+0xc0/0xc0 [ 439.532898] ? warn_alloc+0x120/0x120 [ 439.536705] ? print_usage_bug+0xc0/0xc0 [ 439.540774] ? print_usage_bug+0xc0/0xc0 [ 439.544838] ? free_one_page+0x1700/0x1700 [ 439.549081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.554618] ? should_fail+0x22d/0xd01 [ 439.558510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.563616] ? __lock_acquire+0x7ec/0x4ec0 [ 439.567886] ? __lock_is_held+0xb5/0x140 [ 439.571969] ? graph_lock+0x170/0x170 [ 439.575773] ? ___might_sleep+0x1ed/0x300 [ 439.579924] ? lock_release+0x970/0x970 [ 439.583909] ? arch_local_save_flags+0x40/0x40 [ 439.588506] ? __might_sleep+0x95/0x190 [ 439.592484] __alloc_pages_nodemask+0xa80/0xde0 [ 439.597155] ? graph_lock+0x170/0x170 [ 439.600961] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 439.605983] ? graph_lock+0x170/0x170 [ 439.609794] ? mark_held_locks+0xc7/0x130 [ 439.613951] ? find_held_lock+0x36/0x1c0 [ 439.618019] ? cache_grow_begin+0x5a4/0x8c0 [ 439.622342] ? lockdep_hardirqs_on+0x421/0x5c0 [ 439.626931] ? trace_hardirqs_on+0xbd/0x310 [ 439.631256] ? fallback_alloc+0x203/0x2e0 [ 439.635439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.640899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.646443] cache_grow_begin+0x91/0x8c0 [ 439.650514] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.654932] fallback_alloc+0x203/0x2e0 [ 439.658921] ____cache_alloc_node+0x1c7/0x1e0 [ 439.663427] kmem_cache_alloc_node_trace+0xe7/0x740 [ 439.668462] __kmalloc_node_track_caller+0x33/0x70 [ 439.673397] __kmalloc_reserve.isra.39+0x41/0xe0 [ 439.678163] __alloc_skb+0x155/0x770 [ 439.681882] ? skb_scrub_packet+0x490/0x490 [ 439.686215] ? if_nlmsg_size+0x5d1/0xbb0 [ 439.690284] ? nla_put_ifalias+0x170/0x170 [ 439.694533] ? sk_psock_stop_strp+0x120/0x120 [ 439.699028] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.704043] ? netif_tx_stop_all_queues+0xd9/0x110 [ 439.708978] rtmsg_ifinfo_build_skb+0x74/0x190 [ 439.713568] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 439.718414] rtmsg_ifinfo+0x8c/0xa0 [ 439.722048] dev_close_many+0x3be/0x860 [ 439.726037] ? netdev_master_upper_dev_link+0x50/0x50 [ 439.731231] ? find_held_lock+0x36/0x1c0 [ 439.735302] ? __queue_work+0x6be/0x1440 [ 439.739362] ? lock_downgrade+0x900/0x900 [ 439.743521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.749063] ? rtnl_is_locked+0xb5/0xf0 [ 439.753040] ? rtnl_trylock+0x20/0x20 [ 439.756847] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.761257] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 439.765855] rollback_registered_many+0x543/0x1210 [ 439.770799] ? generic_xdp_install+0x4c0/0x4c0 [ 439.775398] ? max_active_store+0x170/0x170 [ 439.779722] ? graph_lock+0x170/0x170 [ 439.783530] ? print_usage_bug+0xc0/0xc0 [ 439.787590] ? print_usage_bug+0xc0/0xc0 [ 439.791654] ? __debug_object_init+0x57d/0x1290 [ 439.796331] ? graph_lock+0x170/0x170 [ 439.800134] ? print_usage_bug+0xc0/0xc0 [ 439.804199] ? find_held_lock+0x36/0x1c0 [ 439.808273] ? mark_held_locks+0xc7/0x130 [ 439.812430] rollback_registered+0x1e9/0x420 [ 439.816846] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 439.821435] ? rollback_registered_many+0x1210/0x1210 [ 439.826626] ? trace_hardirqs_on+0xbd/0x310 [ 439.830952] ? linkwatch_schedule_work+0x150/0x170 [ 439.835887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.841351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.846898] ? rtnl_is_locked+0xb5/0xf0 [ 439.850880] ? rtnl_trylock+0x20/0x20 [ 439.854699] ? queue_delayed_work_on+0x130/0x1f0 [ 439.859463] unregister_netdevice_queue+0x321/0x5e0 [ 439.864488] ? rollback_registered+0x420/0x420 [ 439.869072] ? linkwatch_schedule_work+0x170/0x170 [ 439.874001] ? tun_show_owner+0x170/0x170 [ 439.878152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.883696] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 439.889059] ? __tun_detach+0x6ba/0x15c0 [ 439.893132] __tun_detach+0x11b8/0x15c0 [ 439.897113] ? __call_rcu.constprop.69+0x429/0xbc0 [ 439.902050] ? tun_attach+0x1900/0x1900 [ 439.906033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.911577] ? check_preemption_disabled+0x48/0x200 [ 439.916609] ? graph_lock+0x170/0x170 [ 439.920415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.925958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.931496] ? locks_remove_file+0x3c6/0x5c0 [ 439.935911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 439.941450] ? ima_file_free+0x132/0x650 [ 439.945519] ? __lock_is_held+0xb5/0x140 [ 439.949910] ? __tun_detach+0x15c0/0x15c0 [ 439.954088] ? __tun_detach+0x15c0/0x15c0 [ 439.958238] tun_chr_close+0xe3/0x180 [ 439.962047] __fput+0x385/0xa30 [ 439.965339] ? get_max_files+0x20/0x20 [ 439.969234] ? ___might_sleep+0x1ed/0x300 [ 439.973384] ? arch_local_save_flags+0x40/0x40 [ 439.977979] ____fput+0x15/0x20 [ 439.981261] task_work_run+0x1e8/0x2a0 [ 439.985152] ? task_work_cancel+0x240/0x240 [ 439.989481] ? switch_task_namespaces+0xb8/0xd0 [ 439.994155] do_exit+0x1ad7/0x2610 [ 439.997705] ? mm_update_next_owner+0x990/0x990 [ 440.002379] ? print_usage_bug+0xc0/0xc0 [ 440.006440] ? perf_trace_lock+0x14d/0x7a0 [ 440.010684] ? __lock_acquire+0x7ec/0x4ec0 [ 440.014927] ? find_held_lock+0x36/0x1c0 [ 440.019002] ? __lock_acquire+0x7ec/0x4ec0 [ 440.023244] ? mark_held_locks+0x130/0x130 [ 440.027485] ? lock_acquire+0x1ed/0x520 [ 440.031473] ? mark_held_locks+0x130/0x130 [ 440.035711] ? arch_local_save_flags+0x40/0x40 [ 440.040295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.045863] ? __mutex_lock+0x85e/0x1700 [ 440.049937] ? __switch_to_asm+0x40/0x70 [ 440.053997] ? __switch_to_asm+0x34/0x70 [ 440.058059] ? pipe_wait+0x266/0x2c0 [ 440.061785] ? mutex_trylock+0x2b0/0x2b0 [ 440.065866] ? graph_lock+0x170/0x170 [ 440.069675] ? find_held_lock+0x36/0x1c0 [ 440.073742] ? memset+0x31/0x40 [ 440.077031] ? find_held_lock+0x36/0x1c0 [ 440.081269] ? get_signal+0x95b/0x1980 [ 440.085157] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.089653] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.094157] do_group_exit+0x177/0x440 [ 440.098071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.103526] ? __ia32_sys_exit+0x50/0x50 [ 440.107605] get_signal+0x8b0/0x1980 [ 440.111333] ? ptrace_notify+0x130/0x130 [ 440.115398] ? finish_wait+0x430/0x430 [ 440.119286] ? graph_lock+0x170/0x170 [ 440.123096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.128637] ? pipe_read+0x702/0x940 [ 440.132354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.137913] do_signal+0x9c/0x21e0 [ 440.141456] ? __vfs_read+0x11f/0x9b0 [ 440.145263] ? vfs_copy_file_range+0xb90/0xb90 [ 440.149861] ? setup_sigcontext+0x7d0/0x7d0 [ 440.154207] ? exit_to_usermode_loop+0x8c/0x380 [ 440.158903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.164449] exit_to_usermode_loop+0x2e5/0x380 [ 440.169040] ? syscall_slow_exit_work+0x520/0x520 [ 440.173887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.179452] do_syscall_64+0x6be/0x820 [ 440.183345] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.188744] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.193677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.198528] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.203555] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.208579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.213437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.218628] RIP: 0033:0x410fa0 [ 440.221838] Code: Bad RIP value. [ 440.225201] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 440.232921] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 440.240191] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 440.247460] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 440.254727] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 440.261999] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 440.269293] warn_alloc_show_mem: 1 callbacks suppressed [ 440.269305] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 440.269308] Mem-Info: [ 440.269340] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 440.269340] active_file:8 inactive_file:19 isolated_file:0 [ 440.269340] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.269340] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 440.269340] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 440.269340] free:13766 free_pcp:526 free_cma:0 [ 440.274685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.282049] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.284446] Call Trace: [ 440.317763] Node 0 [ 440.327117] [ 440.354887] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.357483] dump_stack+0x1c4/0x2b4 [ 440.359683] lowmem_reserve[]: 0 [ 440.361853] ? dump_stack_print_info.cold.2+0x52/0x52 [ 440.387332] 2819 6323 [ 440.390981] warn_alloc.cold.119+0xb7/0x1bd [ 440.394212] 6323 [ 440.399410] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.401873] Node 0 [ 440.406190] ? lock_downgrade+0x900/0x900 [ 440.408251] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 440.413066] ? trace_hardirqs_off+0xb8/0x310 [ 440.415267] lowmem_reserve[]: 0 [ 440.419419] ? trace_hardirqs_off+0xb8/0x310 [ 440.446576] 0 [ 440.451003] __alloc_pages_slowpath+0x2667/0x2d80 [ 440.454232] 3503 3503 [ 440.458668] ? warn_alloc+0x120/0x120 [ 440.460424] Node 0 [ 440.465260] ? trace_hardirqs_on+0x310/0x310 [ 440.467761] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 440.471528] ? warn_alloc+0x120/0x120 [ 440.473737] lowmem_reserve[]: 0 [ 440.478151] ? print_usage_bug+0xc0/0xc0 [ 440.506664] 0 [ 440.510459] ? warn_alloc+0x120/0x120 [ 440.513715] 0 [ 440.517768] ? ktime_get+0x2e1/0x440 [ 440.519542] 0 [ 440.523346] ? print_usage_bug+0xc0/0xc0 [ 440.525121] Node 0 [ 440.528838] ? __lock_acquire+0x7ec/0x4ec0 [ 440.530612] DMA: 1*4kB [ 440.534672] ? __lock_acquire+0x7ec/0x4ec0 [ 440.536886] (U) [ 440.541120] ? kasan_check_read+0x11/0x20 [ 440.543678] 0*8kB [ 440.547907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.547926] ? should_fail+0x22d/0xd01 [ 440.549874] 0*16kB 1*32kB [ 440.554029] ? rcu_bh_qs+0xc0/0xc0 [ 440.556151] (U) [ 440.561686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.565543] 2*64kB (U) [ 440.568397] ? __lock_acquire+0x7ec/0x4ec0 [ 440.571913] 1*128kB [ 440.573895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.578975] (U) [ 440.581555] ? __lock_acquire+0x7ec/0x4ec0 [ 440.585767] 1*256kB [ 440.588085] ? should_fail+0x22d/0xd01 [ 440.593165] (U) [ 440.595137] ? rcu_idle_enter+0x4b0/0x4b0 [ 440.599348] 0*512kB [ 440.601674] ? mark_held_locks+0x130/0x130 [ 440.605529] 1*1024kB [ 440.607501] ? mark_held_locks+0x130/0x130 [ 440.611624] (U) [ 440.613947] ? mark_held_locks+0xc7/0x130 [ 440.618159] 1*2048kB [ 440.620563] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 440.624768] (M) [ 440.626736] ? graph_lock+0x170/0x170 [ 440.630862] 3*4096kB [ 440.633265] ? print_usage_bug+0xc0/0xc0 [ 440.638257] (M) [ 440.640231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.644003] = 15908kB [ 440.646409] ? check_preemption_disabled+0x48/0x200 [ 440.650447] Node 0 [ 440.652428] ? check_preemption_disabled+0x48/0x200 [ 440.657939] DMA32: [ 440.660353] ? __lock_is_held+0xb5/0x140 [ 440.665335] 3*4kB [ 440.667572] __alloc_pages_nodemask+0xa80/0xde0 [ 440.672555] (M) [ 440.674788] ? graph_lock+0x170/0x170 [ 440.678836] 2*8kB [ 440.680980] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 440.685625] (UM) [ 440.687597] ? graph_lock+0x170/0x170 [ 440.691373] 2*16kB [ 440.693530] ? find_held_lock+0x36/0x1c0 [ 440.698510] (M) [ 440.700572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.704342] 3*32kB [ 440.706569] ? lock_downgrade+0x900/0x900 [ 440.710601] (UM) [ 440.712579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.717231] 5*64kB [ 440.719477] cache_grow_begin+0x91/0x8c0 [ 440.723594] (UM) [ 440.725656] ? do_raw_spin_unlock+0xa7/0x2f0 [ 440.731168] 3*128kB [ 440.733404] fallback_alloc+0x203/0x2e0 [ 440.737432] (M) [ 440.739493] ____cache_alloc_node+0x1c7/0x1e0 [ 440.743870] 3*256kB (M) [ 440.746200] kmem_cache_alloc_node+0xe3/0x730 [ 440.750147] 4*512kB [ 440.752122] ? ipv6_get_ifaddr+0x42e/0x620 [ 440.756590] (UM) [ 440.759264] __alloc_skb+0x119/0x770 [ 440.763731] 3*1024kB [ 440.766054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 440.770257] (UM) [ 440.772318] ? skb_scrub_packet+0x490/0x490 [ 440.776008] 3*2048kB [ 440.778418] ? lock_downgrade+0x900/0x900 [ 440.783671] (UM) [ 440.785732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.790021] 3*4096kB [ 440.792428] ? refcount_sub_and_test_checked+0x203/0x310 [ 440.796987] (M) [ 440.799043] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 440.804552] = 25180kB [ 440.806978] ? addrconf_rs_timer+0x690/0x690 [ 440.812394] Node 0 Normal: [ 440.814386] ndisc_alloc_skb+0x144/0x340 [ 440.819805] 960*4kB [ 440.822219] ndisc_send_rs+0x331/0x6e0 [ 440.826623] (MEH) [ 440.829552] addrconf_rs_timer+0x314/0x690 [ 440.833582] 471*8kB (UME) [ 440.835912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.839778] 178*16kB [ 440.841935] call_timer_fn+0x272/0x920 [ 440.846135] (ME) [ 440.848976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.853184] 44*32kB [ 440.855591] ? process_timeout+0x40/0x40 [ 440.859455] (UME) [ 440.861513] ? find_held_lock+0x36/0x1c0 [ 440.865724] 1*64kB [ 440.868049] ? __run_timers+0x7da/0xc70 [ 440.872078] (U) [ 440.874225] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.878256] 0*128kB 0*256kB [ 440.880502] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.884452] 2*512kB [ 440.886427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.890896] (U) [ 440.893913] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 440.898385] 1*1024kB [ 440.900705] ? trace_hardirqs_on+0xbd/0x310 [ 440.904919] (U) [ 440.906889] ? kasan_check_read+0x11/0x20 [ 440.911448] 0*2048kB [ 440.913887] ? __run_timers+0x7da/0xc70 [ 440.918190] 0*4096kB [ 440.920163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.924286] = 13976kB [ 440.926689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.930642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 440.933040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.938471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 440.940868] __run_timers+0x7e5/0xc70 [ 440.945079] 2889 total pagecache pages [ 440.953923] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 440.958137] 0 pages in swap cache [ 440.966702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 440.970476] Swap cache stats: add 0, delete 0, find 0/0 [ 440.970485] Free swap = 0kB [ 440.974369] ? rcu_bh_qs+0xc0/0xc0 [ 440.979704] Total swap = 0kB [ 440.979712] 1965979 pages RAM [ 440.983157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.988438] 0 pages HighMem/MovableOnly [ 440.993799] ? check_preemption_disabled+0x48/0x200 [ 440.996787] 342306 pages reserved [ 440.996796] 0 pages cma reserved [ 441.000332] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.003403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.006428] ? retint_kernel+0x2d/0x2d [ 441.012033] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.015923] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.020919] syz-executor1 cpuset= [ 441.024366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.027705] syz1 [ 441.032457] ? trace_hardirqs_off+0x310/0x310 [ 441.038945] mems_allowed=0 [ 441.042851] ? check_preemption_disabled+0x48/0x200 [ 441.080767] ? graph_lock+0x170/0x170 [ 441.084573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.090112] ? check_preemption_disabled+0x48/0x200 [ 441.095141] ? __lock_is_held+0xb5/0x140 [ 441.099291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.104835] ? check_preemption_disabled+0x48/0x200 [ 441.109867] run_timer_softirq+0x52/0xb0 [ 441.113930] ? rcu_read_lock_sched_held+0x108/0x120 [ 441.118953] __do_softirq+0x30b/0xad8 [ 441.122771] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 441.127880] ? pvclock_read_flags+0x160/0x160 [ 441.132377] ? lapic_next_event+0x5a/0x90 [ 441.136529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.142068] ? check_preemption_disabled+0x48/0x200 [ 441.147178] ? check_preemption_disabled+0x48/0x200 [ 441.152206] ? kvm_clock_read+0x18/0x30 [ 441.156182] ? kvm_sched_clock_read+0x9/0x20 [ 441.160598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.166144] ? check_preemption_disabled+0x48/0x200 [ 441.171180] irq_exit+0x17f/0x1c0 [ 441.174638] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.179486] ? smp_reschedule_interrupt+0x109/0x650 [ 441.184505] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.190398] ? interrupt_entry+0xb5/0xf0 [ 441.194463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.199483] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.204502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.209351] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.214365] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.219385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.224937] ? check_preemption_disabled+0x48/0x200 [ 441.229966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.235515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.240367] apic_timer_interrupt+0xf/0x20 [ 441.244602] [ 441.246849] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 441.251780] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 441.270683] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 441.278396] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 441.285666] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 441.292937] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 441.300204] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 441.307471] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 441.314784] skb_clone+0x1bb/0x500 [ 441.318327] ? finish_task_switch+0x2f5/0x900 [ 441.322834] ? skb_split+0x11e0/0x11e0 [ 441.326726] ? preempt_notifier_register+0x200/0x200 [ 441.331839] ? __switch_to_asm+0x34/0x70 [ 441.335902] ? __switch_to_asm+0x34/0x70 [ 441.339967] ? __switch_to_asm+0x40/0x70 [ 441.344026] ? __switch_to_asm+0x34/0x70 [ 441.348086] ? __switch_to_asm+0x40/0x70 [ 441.352147] ? __switch_to_asm+0x34/0x70 [ 441.356207] ? __switch_to_asm+0x40/0x70 [ 441.360270] ? __switch_to_asm+0x34/0x70 [ 441.364331] ? __switch_to_asm+0x34/0x70 [ 441.368399] ? __switch_to_asm+0x40/0x70 [ 441.372458] ? __switch_to_asm+0x34/0x70 [ 441.376557] bpf_clone_redirect+0xb9/0x490 [ 441.380796] ? __schedule+0x874/0x1ed0 [ 441.384696] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 441.389715] ? __sched_text_start+0x8/0x8 [ 441.393869] ? retint_kernel+0x2d/0x2d [ 441.397765] ? find_held_lock+0x36/0x1c0 [ 441.401844] ? lock_acquire+0x1ed/0x520 [ 441.405832] ? bpf_test_run+0x3cb/0x780 [ 441.409809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.415355] ? check_preemption_disabled+0x48/0x200 [ 441.420377] ? kasan_check_read+0x11/0x20 [ 441.424537] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 441.429814] ? rcu_bh_qs+0xc0/0xc0 [ 441.433364] ? preempt_schedule+0x4d/0x60 [ 441.437522] ? ___preempt_schedule+0x16/0x18 [ 441.441943] ? bpf_test_run+0x25d/0x780 [ 441.445930] ? netlink_diag_dump+0x2a0/0x2a0 [ 441.450346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.455884] ? bpf_test_init.isra.9+0x70/0x100 [ 441.460473] ? bpf_prog_test_run_skb+0x634/0xb40 [ 441.465242] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.470082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 441.475620] ? fput+0x130/0x1a0 [ 441.478901] ? __bpf_prog_get+0x9b/0x290 [ 441.482969] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.487809] ? bpf_prog_test_run+0x130/0x1a0 [ 441.492231] ? __x64_sys_bpf+0x3d8/0x510 [ 441.496298] ? bpf_prog_get+0x20/0x20 [ 441.500124] ? do_syscall_64+0x1b9/0x820 [ 441.504189] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 441.509555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.514496] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.519516] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 441.524531] ? recalc_sigpending_tsk+0x180/0x180 [ 441.529294] ? kasan_check_write+0x14/0x20 [ 441.533537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.538405] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 441.543793] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 441.543852] rcu: INFO: rcu_preempt self-detected stall on CPU [ 441.551089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.551098] Call Trace: [ 441.566314] [ 441.569228] rcu: 1-...!: (1 GPs behind) idle=802/1/0x4000000000000004 softirq=28731/28732 fqs=0 [ 441.571038] dump_stack+0x1c4/0x2b4 [ 441.571056] ? dump_stack_print_info.cold.2+0x52/0x52 [ 441.571083] warn_alloc.cold.119+0xb7/0x1bd [ 441.571099] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.571117] ? lock_downgrade+0x900/0x900 [ 441.571142] ? trace_hardirqs_off+0xb8/0x310 [ 441.571162] ? trace_hardirqs_off+0xb8/0x310 [ 441.571182] __alloc_pages_slowpath+0x2667/0x2d80 [ 441.571225] ? warn_alloc+0x120/0x120 [ 441.580569] rcu: [ 441.584199] ? trace_hardirqs_on+0x310/0x310 [ 441.589368] (t=10547 jiffies g=37669 q=4) [ 441.593676] ? warn_alloc+0x120/0x120 [ 441.598502] rcu: rcu_preempt kthread starved for 10547 jiffies! g37669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 441.602633] ? print_usage_bug+0xc0/0xc0 [ 441.607018] rcu: RCU grace-period kthread stack dump: [ 441.611416] ? warn_alloc+0x120/0x120 [ 441.616235] rcu_preempt R [ 441.620031] ? ktime_get+0x2e1/0x440 [ 441.622153] running task [ 441.626558] ? print_usage_bug+0xc0/0xc0 [ 441.630778] 22872 10 2 0x80000000 [ 441.634561] ? __lock_acquire+0x7ec/0x4ec0 [ 441.645024] Call Trace: [ 441.649082] ? __lock_acquire+0x7ec/0x4ec0 [ 441.654262] __schedule+0x86c/0x1ed0 [ 441.658044] ? kasan_check_read+0x11/0x20 [ 441.661141] ? __sched_text_start+0x8/0x8 [ 441.664844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.668017] ? __mod_timer+0x6f6/0x1870 [ 441.672064] ? should_fail+0x22d/0xd01 [ 441.676198] ? add_timer_on+0x9f0/0x9f0 [ 441.680418] ? rcu_bh_qs+0xc0/0xc0 [ 441.682992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.687226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.690923] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.695052] ? __lock_acquire+0x7ec/0x4ec0 [ 441.699187] ? trace_hardirqs_on+0xbd/0x310 [ 441.704709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.708673] ? kasan_check_read+0x11/0x20 [ 441.712543] ? __lock_acquire+0x7ec/0x4ec0 [ 441.716503] ? prepare_to_swait_event+0x25a/0x800 [ 441.720027] ? should_fail+0x22d/0xd01 [ 441.725114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.730207] ? rcu_idle_enter+0x4b0/0x4b0 [ 441.735295] schedule+0xfe/0x460 [ 441.739513] ? mark_held_locks+0x130/0x130 [ 441.743816] ? __schedule+0x1ed0/0x1ed0 [ 441.748945] ? mark_held_locks+0x130/0x130 [ 441.753090] ? prepare_to_swait_event+0x25a/0x800 [ 441.757307] ? mark_held_locks+0xc7/0x130 [ 441.762138] ? __init_swait_queue_head+0x150/0x150 [ 441.766006] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 441.771442] ? __lockdep_init_map+0x105/0x590 [ 441.775574] ? graph_lock+0x170/0x170 [ 441.778929] ? lockdep_init_map+0x9/0x10 [ 441.783149] ? print_usage_bug+0xc0/0xc0 [ 441.787114] schedule_timeout+0x140/0x260 [ 441.791331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.796156] ? usleep_range+0x1a0/0x1a0 [ 441.800304] ? check_preemption_disabled+0x48/0x200 [ 441.805214] ? __next_timer_interrupt+0x1a0/0x1a0 [ 441.810213] ? check_preemption_disabled+0x48/0x200 [ 441.814695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.818486] ? __lock_is_held+0xb5/0x140 [ 441.822533] rcu_gp_kthread+0x9d9/0x2310 [ 441.826582] __alloc_pages_nodemask+0xa80/0xde0 [ 441.830733] ? rcu_gp_init+0x1830/0x1830 [ 441.836231] ? graph_lock+0x170/0x170 [ 441.840187] ? update_curr+0x344/0xbe0 [ 441.845188] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 441.850022] ? graph_lock+0x170/0x170 [ 441.855021] ? graph_lock+0x170/0x170 [ 441.860541] ? __account_cfs_rq_runtime+0x790/0x790 [ 441.864597] ? find_held_lock+0x36/0x1c0 [ 441.868633] ? __lock_acquire+0x7ec/0x4ec0 [ 441.873291] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.877423] ? graph_lock+0x170/0x170 [ 441.881220] ? lock_downgrade+0x900/0x900 [ 441.885115] ? mark_held_locks+0x130/0x130 [ 441.890150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.893937] ? __lock_is_held+0xb5/0x140 [ 441.897733] cache_grow_begin+0x91/0x8c0 [ 441.902727] ? __account_cfs_rq_runtime+0x790/0x790 [ 441.906773] ? do_raw_spin_unlock+0xa7/0x2f0 [ 441.911005] ? set_next_entity+0x2f0/0xaf0 [ 441.915700] fallback_alloc+0x203/0x2e0 [ 441.919483] ? mark_held_locks+0x130/0x130 [ 441.923620] ____cache_alloc_node+0x1c7/0x1e0 [ 441.927847] ? rcu_read_lock_sched_held+0x108/0x120 [ 441.933374] kmem_cache_alloc_node+0xe3/0x730 [ 441.937424] ? update_load_avg+0x2470/0x2470 [ 441.941473] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.946480] ? __enqueue_entity+0x10d/0x1f0 [ 441.951349] __alloc_skb+0x119/0x770 [ 441.955571] ? graph_lock+0x170/0x170 [ 441.959531] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 441.963753] ? match_held_lock+0x291/0x8d0 [ 441.968231] ? skb_scrub_packet+0x490/0x490 [ 441.973230] ? graph_lock+0x170/0x170 [ 441.977710] ? lock_downgrade+0x900/0x900 [ 441.982105] ? match_held_lock+0x290/0x8d0 [ 441.986327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.990633] ? match_held_lock+0x292/0x8d0 [ 441.994326] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.998117] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.003375] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.007598] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.011908] ? addrconf_rs_timer+0x690/0x690 [ 442.015686] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.019845] ndisc_alloc_skb+0x144/0x340 [ 442.024142] ? trace_hardirqs_on+0xbd/0x310 [ 442.029666] ndisc_send_rs+0x331/0x6e0 [ 442.033883] ? kasan_check_read+0x11/0x20 [ 442.039327] addrconf_rs_timer+0x314/0x690 [ 442.043814] ? mark_held_locks+0x130/0x130 [ 442.049253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.053766] ? audit_add_watch+0xc1/0xdc0 [ 442.058170] call_timer_fn+0x272/0x920 [ 442.062734] ? kasan_check_write+0x14/0x20 [ 442.067449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.071758] ? finish_task_switch+0x2f5/0x900 [ 442.075629] ? process_timeout+0x40/0x40 [ 442.079855] ? __switch_to_asm+0x40/0x70 [ 442.084435] ? find_held_lock+0x36/0x1c0 [ 442.084459] ? mark_held_locks+0xc7/0x130 [ 442.088681] ? preempt_notifier_register+0x200/0x200 [ 442.092939] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.097073] ? __switch_to_asm+0x34/0x70 [ 442.100943] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.105159] ? __switch_to_asm+0x34/0x70 [ 442.109459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.109476] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 442.113956] ? __switch_to_asm+0x40/0x70 [ 442.118000] ? trace_hardirqs_on+0xbd/0x310 [ 442.122044] ? __switch_to_asm+0x40/0x70 [ 442.126091] ? kasan_check_read+0x11/0x20 [ 442.130224] ? __switch_to_asm+0x34/0x70 [ 442.135316] ? __run_timers+0x7da/0xc70 [ 442.139793] ? __switch_to_asm+0x40/0x70 [ 442.143845] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.148327] ? __switch_to_asm+0x34/0x70 [ 442.152374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.156594] ? __switch_to_asm+0x34/0x70 [ 442.161169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.165220] ? __switch_to_asm+0x40/0x70 [ 442.169525] __run_timers+0x7e5/0xc70 [ 442.173571] ? __switch_to_asm+0x40/0x70 [ 442.177715] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.182096] ? __switch_to_asm+0x34/0x70 [ 442.182112] ? __switch_to_asm+0x40/0x70 [ 442.186078] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.190121] ? __schedule+0x874/0x1ed0 [ 442.195555] ? graph_lock+0x170/0x170 [ 442.199598] ? __switch_to_asm+0x40/0x70 [ 442.203818] ? print_usage_bug+0xc0/0xc0 [ 442.207873] ? __switch_to_asm+0x40/0x70 [ 442.212089] ? lock_release+0x970/0x970 [ 442.216141] ? graph_lock+0x170/0x170 [ 442.219931] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.223984] ? __sched_text_start+0x8/0x8 [ 442.229335] ? find_held_lock+0x36/0x1c0 [ 442.233385] ? find_held_lock+0x36/0x1c0 [ 442.237428] ? graph_lock+0x170/0x170 [ 442.242434] ? __kthread_parkme+0xce/0x1a0 [ 442.246302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.250085] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.254129] ? check_preemption_disabled+0x48/0x200 [ 442.258179] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.262232] ? __lock_is_held+0xb5/0x140 [ 442.266182] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.269966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.275148] ? trace_hardirqs_on+0xbd/0x310 [ 442.279281] ? check_preemption_disabled+0x48/0x200 [ 442.283330] ? kasan_check_read+0x11/0x20 [ 442.287378] run_timer_softirq+0x52/0xb0 [ 442.291157] ? __kthread_parkme+0xce/0x1a0 [ 442.295380] ? rcu_read_lock_sched_held+0x108/0x120 [ 442.300911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.305999] __do_softirq+0x30b/0xad8 [ 442.311005] ? kasan_check_write+0x14/0x20 [ 442.316102] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 442.320141] ? do_raw_spin_lock+0xc1/0x200 [ 442.324708] ? pvclock_read_flags+0x160/0x160 [ 442.330230] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.334529] ? lapic_next_event+0x5a/0x90 [ 442.339535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.343663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.347705] ? __kthread_parkme+0xfb/0x1a0 [ 442.351932] ? check_preemption_disabled+0x48/0x200 [ 442.356936] kthread+0x35a/0x420 [ 442.362371] ? check_preemption_disabled+0x48/0x200 [ 442.366159] ? rcu_gp_init+0x1830/0x1830 [ 442.370376] ? kvm_clock_read+0x18/0x30 [ 442.375462] ? kthread_bind+0x40/0x40 [ 442.379681] ? kvm_sched_clock_read+0x9/0x20 [ 442.384167] ret_from_fork+0x3a/0x50 [ 442.389259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.393411] NMI backtrace for cpu 1 [ 442.398920] ? check_preemption_disabled+0x48/0x200 [ 442.456025] irq_exit+0x17f/0x1c0 [ 442.459490] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.464332] ? smp_reschedule_interrupt+0x109/0x650 [ 442.469354] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.475247] ? interrupt_entry+0xb5/0xf0 [ 442.479311] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.484329] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.489350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.494194] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.499210] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.504227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.509772] ? check_preemption_disabled+0x48/0x200 [ 442.514788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.520338] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.525198] apic_timer_interrupt+0xf/0x20 [ 442.529427] [ 442.531670] RIP: 0010:console_unlock+0xfdf/0x1160 [ 442.536515] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 442.555417] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 442.563130] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 442.570401] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 442.577672] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 442.584943] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 442.592213] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 442.599855] ? netconsole_netdev_event+0x280/0x280 [ 442.604796] ? console_unlock+0xfd6/0x1160 [ 442.609065] ? devkmsg_read+0xbb0/0xbb0 [ 442.613043] ? vprintk_emit+0x7f7/0x930 [ 442.617027] ? lock_release+0x970/0x970 [ 442.621007] ? trace_hardirqs_on+0x10/0x310 [ 442.625330] ? vprintk_default+0x28/0x30 [ 442.629393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.634853] ? kasan_check_write+0x14/0x20 [ 442.639098] ? do_raw_spin_lock+0xc1/0x200 [ 442.643346] vprintk_emit+0x33d/0x930 [ 442.647159] ? wake_up_klogd+0x180/0x180 [ 442.651242] ? find_held_lock+0x36/0x1c0 [ 442.655315] ? mark_held_locks+0xc7/0x130 [ 442.659471] vprintk_default+0x28/0x30 [ 442.663361] vprintk_func+0x7e/0x181 [ 442.667081] printk+0xa7/0xcf [ 442.670192] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 442.674952] ? kasan_check_write+0x14/0x20 [ 442.679190] ? do_raw_spin_lock+0xc1/0x200 [ 442.683439] show_free_areas.cold.120+0x1b8e/0x215d [ 442.688481] ? si_meminfo_node+0x260/0x260 [ 442.692720] ? __lock_acquire+0x7ec/0x4ec0 [ 442.696971] ? __lock_acquire+0x7ec/0x4ec0 [ 442.701208] ? __lock_acquire+0x7ec/0x4ec0 [ 442.705444] ? kasan_check_write+0x14/0x20 [ 442.709682] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 442.715494] ? mark_held_locks+0x130/0x130 [ 442.719729] ? mark_held_locks+0x130/0x130 [ 442.723970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.729506] ? graph_lock+0x170/0x170 [ 442.733316] ? put_dec+0x3b/0xf0 [ 442.736687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.742224] ? number+0x972/0xca0 [ 442.745684] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 442.750704] ? find_held_lock+0x36/0x1c0 [ 442.754782] ? serial8250_console_write+0x8b3/0xb10 [ 442.759802] ? lock_downgrade+0x900/0x900 [ 442.763963] ? graph_lock+0x170/0x170 [ 442.767765] ? graph_lock+0x170/0x170 [ 442.771572] ? print_usage_bug+0xc0/0xc0 [ 442.775633] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.780049] ? trace_hardirqs_on+0x310/0x310 [ 442.784463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.790000] ? wq_watchdog_touch+0x9c/0xfe [ 442.794238] ? io_serial_in+0x11/0x90 [ 442.798048] ? find_held_lock+0x36/0x1c0 [ 442.802117] ? mark_held_locks+0xc7/0x130 [ 442.806268] ? console_unlock+0xfaa/0x1160 [ 442.810507] ? console_unlock+0xfaa/0x1160 [ 442.814747] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.819335] ? vprintk_emit+0x33d/0x930 [ 442.823316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.828774] ? kasan_check_write+0x14/0x20 [ 442.833013] ? do_raw_spin_lock+0xc1/0x200 [ 442.837259] ? netconsole_netdev_event+0x280/0x280 [ 442.842192] ? console_unlock+0x9ba/0x1160 [ 442.846438] ? devkmsg_read+0xbb0/0xbb0 [ 442.850416] ? lock_release+0x970/0x970 [ 442.854399] ? preempt_count_add+0x7d/0x160 [ 442.858723] ? wake_up_klogd+0x11a/0x180 [ 442.862788] ? console_device+0xc0/0xc0 [ 442.866775] ? vprintk_emit+0x268/0x930 [ 442.870756] ? wake_up_klogd+0x180/0x180 [ 442.874822] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.879590] ? trace_hardirqs_off+0x310/0x310 [ 442.884087] ? retint_kernel+0x1b/0x2d [ 442.887974] ? trace_hardirqs_on+0x310/0x310 [ 442.892398] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.897166] ? retint_kernel+0x2d/0x2d [ 442.901072] ? arch_local_irq_restore+0x45/0x52 [ 442.905749] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 442.910763] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 442.915533] ? show_mem+0x1e/0x17b [ 442.919081] show_mem+0x34/0x17b [ 442.922457] dump_header+0x2f1/0xf72 [ 442.926185] ? pagefault_out_of_memory+0x197/0x197 [ 442.931122] ? __lock_acquire+0x7ec/0x4ec0 [ 442.935363] ? print_usage_bug+0xc0/0xc0 [ 442.939430] ? graph_lock+0x170/0x170 [ 442.943231] ? print_usage_bug+0xc0/0xc0 [ 442.947289] ? print_usage_bug+0xc0/0xc0 [ 442.951853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.957436] ? find_held_lock+0x36/0x1c0 [ 442.961507] ? mark_held_locks+0xc7/0x130 [ 442.965662] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.970766] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.975871] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.980462] ? trace_hardirqs_on+0xbd/0x310 [ 442.984785] ? kasan_check_read+0x11/0x20 [ 442.988938] ? ___ratelimit+0x36f/0x655 [ 442.992917] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.998369] ? trace_hardirqs_on+0x310/0x310 [ 443.002781] ? lock_downgrade+0x900/0x900 [ 443.006939] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.012049] ? ___ratelimit+0xaa/0x655 [ 443.015945] ? idr_get_free+0xec0/0xec0 [ 443.019927] ? kasan_check_write+0x14/0x20 [ 443.024169] ? do_raw_spin_lock+0xc1/0x200 [ 443.028431] oom_kill_process.cold.27+0x10/0x903 [ 443.033192] ? graph_lock+0x170/0x170 [ 443.037004] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 443.042802] ? kasan_check_read+0x11/0x20 [ 443.046964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 443.052244] ? oom_evaluate_task+0x540/0x540 [ 443.056657] ? find_held_lock+0x36/0x1c0 [ 443.060728] ? out_of_memory+0x974/0x1430 [ 443.064879] ? lock_downgrade+0x900/0x900 [ 443.069035] ? check_preemption_disabled+0x48/0x200 [ 443.074059] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 443.079866] ? kasan_check_read+0x11/0x20 [ 443.084032] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 443.089315] ? rcu_bh_qs+0xc0/0xc0 [ 443.092871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.098414] ? oom_evaluate_task+0x302/0x540 [ 443.102837] out_of_memory+0xa84/0x1430 [ 443.106832] ? oom_killer_disable+0x3a0/0x3a0 [ 443.111330] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 443.116266] ? __mutex_add_waiter+0x2a0/0x2a0 [ 443.120774] __alloc_pages_slowpath+0x2318/0x2d80 [ 443.125653] ? warn_alloc+0x120/0x120 [ 443.129465] ? trace_hardirqs_on+0x310/0x310 [ 443.133883] ? print_usage_bug+0xc0/0xc0 [ 443.137957] ? warn_alloc+0x120/0x120 [ 443.141765] ? print_usage_bug+0xc0/0xc0 [ 443.145841] ? print_usage_bug+0xc0/0xc0 [ 443.149910] ? free_one_page+0x1700/0x1700 [ 443.154151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.159688] ? should_fail+0x22d/0xd01 [ 443.163585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.168690] ? __lock_acquire+0x7ec/0x4ec0 [ 443.172958] ? __lock_is_held+0xb5/0x140 [ 443.177035] ? graph_lock+0x170/0x170 [ 443.180850] ? ___might_sleep+0x1ed/0x300 [ 443.185003] ? lock_release+0x970/0x970 [ 443.188985] ? arch_local_save_flags+0x40/0x40 [ 443.193600] ? __might_sleep+0x95/0x190 [ 443.197584] __alloc_pages_nodemask+0xa80/0xde0 [ 443.202256] ? graph_lock+0x170/0x170 [ 443.206062] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 443.211078] ? graph_lock+0x170/0x170 [ 443.214900] ? mark_held_locks+0xc7/0x130 [ 443.219047] ? find_held_lock+0x36/0x1c0 [ 443.223124] ? cache_grow_begin+0x5a4/0x8c0 [ 443.227447] ? lockdep_hardirqs_on+0x421/0x5c0 [ 443.232033] ? trace_hardirqs_on+0xbd/0x310 [ 443.236360] ? fallback_alloc+0x203/0x2e0 [ 443.240509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.245970] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 443.251513] cache_grow_begin+0x91/0x8c0 [ 443.255580] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.259997] fallback_alloc+0x203/0x2e0 [ 443.263979] ____cache_alloc_node+0x1c7/0x1e0 [ 443.268481] kmem_cache_alloc_node_trace+0xe7/0x740 [ 443.273513] __kmalloc_node_track_caller+0x33/0x70 [ 443.278450] __kmalloc_reserve.isra.39+0x41/0xe0 [ 443.283210] __alloc_skb+0x155/0x770 [ 443.286936] ? skb_scrub_packet+0x490/0x490 [ 443.291268] ? if_nlmsg_size+0x5d1/0xbb0 [ 443.295337] ? nla_put_ifalias+0x170/0x170 [ 443.299587] ? sk_psock_stop_strp+0x120/0x120 [ 443.304086] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.309104] ? netif_tx_stop_all_queues+0xd9/0x110 [ 443.314041] rtmsg_ifinfo_build_skb+0x74/0x190 [ 443.318631] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 443.323482] rtmsg_ifinfo+0x8c/0xa0 [ 443.327120] dev_close_many+0x3be/0x860 [ 443.331110] ? netdev_master_upper_dev_link+0x50/0x50 [ 443.336306] ? find_held_lock+0x36/0x1c0 [ 443.340376] ? __queue_work+0x6be/0x1440 [ 443.344438] ? lock_downgrade+0x900/0x900 [ 443.348596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.354137] ? rtnl_is_locked+0xb5/0xf0 [ 443.358112] ? rtnl_trylock+0x20/0x20 [ 443.361919] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.366330] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 443.370926] rollback_registered_many+0x543/0x1210 [ 443.375870] ? generic_xdp_install+0x4c0/0x4c0 [ 443.380465] ? max_active_store+0x170/0x170 [ 443.384795] ? graph_lock+0x170/0x170 [ 443.388603] ? print_usage_bug+0xc0/0xc0 [ 443.392670] ? print_usage_bug+0xc0/0xc0 [ 443.396737] ? __debug_object_init+0x57d/0x1290 [ 443.401411] ? graph_lock+0x170/0x170 [ 443.405220] ? print_usage_bug+0xc0/0xc0 [ 443.409286] ? find_held_lock+0x36/0x1c0 [ 443.413362] ? mark_held_locks+0xc7/0x130 [ 443.417520] rollback_registered+0x1e9/0x420 [ 443.421931] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 443.426515] ? rollback_registered_many+0x1210/0x1210 [ 443.431707] ? trace_hardirqs_on+0xbd/0x310 [ 443.436033] ? linkwatch_schedule_work+0x150/0x170 [ 443.440965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.446421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.451964] ? rtnl_is_locked+0xb5/0xf0 [ 443.455943] ? rtnl_trylock+0x20/0x20 [ 443.459748] ? queue_delayed_work_on+0x130/0x1f0 [ 443.464515] unregister_netdevice_queue+0x321/0x5e0 [ 443.469542] ? rollback_registered+0x420/0x420 [ 443.474125] ? linkwatch_schedule_work+0x170/0x170 [ 443.479057] ? tun_show_owner+0x170/0x170 [ 443.483211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.488758] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 443.494134] ? __tun_detach+0x6ba/0x15c0 [ 443.498209] __tun_detach+0x11b8/0x15c0 [ 443.502191] ? __call_rcu.constprop.69+0x429/0xbc0 [ 443.507132] ? tun_attach+0x1900/0x1900 [ 443.511111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.516654] ? check_preemption_disabled+0x48/0x200 [ 443.521687] ? graph_lock+0x170/0x170 [ 443.525496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.531035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.536575] ? locks_remove_file+0x3c6/0x5c0 [ 443.540990] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 443.546535] ? ima_file_free+0x132/0x650 [ 443.550609] ? __lock_is_held+0xb5/0x140 [ 443.554680] ? __tun_detach+0x15c0/0x15c0 [ 443.558842] ? __tun_detach+0x15c0/0x15c0 [ 443.562992] tun_chr_close+0xe3/0x180 [ 443.566802] __fput+0x385/0xa30 [ 443.570100] ? get_max_files+0x20/0x20 [ 443.573998] ? ___might_sleep+0x1ed/0x300 [ 443.578155] ? arch_local_save_flags+0x40/0x40 [ 443.582751] ____fput+0x15/0x20 [ 443.586036] task_work_run+0x1e8/0x2a0 [ 443.589933] ? task_work_cancel+0x240/0x240 [ 443.594265] ? switch_task_namespaces+0xb8/0xd0 [ 443.599291] do_exit+0x1ad7/0x2610 [ 443.602853] ? mm_update_next_owner+0x990/0x990 [ 443.607528] ? print_usage_bug+0xc0/0xc0 [ 443.611589] ? perf_trace_lock+0x14d/0x7a0 [ 443.615837] ? __lock_acquire+0x7ec/0x4ec0 [ 443.620078] ? find_held_lock+0x36/0x1c0 [ 443.624151] ? __lock_acquire+0x7ec/0x4ec0 [ 443.628386] ? mark_held_locks+0x130/0x130 [ 443.632628] ? lock_acquire+0x1ed/0x520 [ 443.636614] ? mark_held_locks+0x130/0x130 [ 443.640858] ? arch_local_save_flags+0x40/0x40 [ 443.645453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.651015] ? __mutex_lock+0x85e/0x1700 [ 443.655083] ? __switch_to_asm+0x40/0x70 [ 443.659145] ? __switch_to_asm+0x34/0x70 [ 443.663210] ? pipe_wait+0x266/0x2c0 [ 443.666935] ? mutex_trylock+0x2b0/0x2b0 [ 443.671013] ? graph_lock+0x170/0x170 [ 443.674813] ? find_held_lock+0x36/0x1c0 [ 443.678886] ? memset+0x31/0x40 [ 443.682180] ? find_held_lock+0x36/0x1c0 [ 443.686254] ? get_signal+0x95b/0x1980 [ 443.690147] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.694643] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.699146] do_group_exit+0x177/0x440 [ 443.703044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.708493] ? __ia32_sys_exit+0x50/0x50 [ 443.712568] get_signal+0x8b0/0x1980 [ 443.716294] ? ptrace_notify+0x130/0x130 [ 443.720359] ? finish_wait+0x430/0x430 [ 443.724248] ? graph_lock+0x170/0x170 [ 443.728060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.733599] ? pipe_read+0x702/0x940 [ 443.737319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.742876] do_signal+0x9c/0x21e0 [ 443.746424] ? __vfs_read+0x11f/0x9b0 [ 443.750232] ? vfs_copy_file_range+0xb90/0xb90 [ 443.754819] ? setup_sigcontext+0x7d0/0x7d0 [ 443.759171] ? exit_to_usermode_loop+0x8c/0x380 [ 443.763868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.769423] exit_to_usermode_loop+0x2e5/0x380 [ 443.774010] ? syscall_slow_exit_work+0x520/0x520 [ 443.778859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.784416] do_syscall_64+0x6be/0x820 [ 443.788313] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 443.793681] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.798608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.803454] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.808479] ? prepare_exit_to_usermode+0x291/0x3b0 [ 443.813506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.818362] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 443.823552] RIP: 0033:0x410fa0 [ 443.826768] Code: Bad RIP value. [ 443.830127] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 443.837844] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 443.845113] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 443.852384] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 443.859650] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 443.866919] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 443.874215] warn_alloc_show_mem: 1 callbacks suppressed [ 443.874227] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 443.874229] Mem-Info: [ 443.874262] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 443.874262] active_file:8 inactive_file:19 isolated_file:0 [ 443.874262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 443.874262] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 443.874262] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 443.874262] free:13766 free_pcp:526 free_cma:0 [ 443.879603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.886968] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 443.889369] Call Trace: [ 443.922326] Node 0 [ 443.931677] [ 443.959904] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 443.962465] dump_stack+0x1c4/0x2b4 [ 443.964662] lowmem_reserve[]: 0 [ 443.966823] ? dump_stack_print_info.cold.2+0x52/0x52 [ 443.992312] 2819 6323 [ 443.995966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.999207] 6323 [ 444.004405] ? trace_hardirqs_off+0xb8/0x310 [ 444.006876] Node 0 [ 444.012416] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 444.014468] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 444.018854] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 444.021056] lowmem_reserve[]: 0 [ 444.025734] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 444.052859] 0 3503 [ 444.058071] arch_trigger_cpumask_backtrace+0x14/0x20 [ 444.061309] 3503 [ 444.066583] rcu_dump_cpu_stacks+0x175/0x1c2 [ 444.073980] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.076021] Node 0 [ 444.080432] print_cpu_stall.cold.78+0x2d3/0x524 [ 444.085541] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 444.087761] ? rcu_dynticks_snap+0x30/0x30 [ 444.092488] lowmem_reserve[]: [ 444.121039] ? check_preemption_disabled+0x48/0x200 [ 444.125245] 0 [ 444.128353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.133337] 0 [ 444.135140] ? check_preemption_disabled+0x48/0x200 [ 444.140647] 0 [ 444.142446] ? check_preemption_disabled+0x48/0x200 [ 444.147425] 0 [ 444.149232] ? rcu_test_sync_prims+0x30/0x30 [ 444.154218] Node 0 [ 444.156022] ? __lock_is_held+0xb5/0x140 [ 444.160406] DMA: [ 444.162642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.166675] 1*4kB [ 444.168737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.174244] (U) [ 444.176391] ? check_preemption_disabled+0x48/0x200 [ 444.181900] 0*8kB [ 444.183877] rcu_check_callbacks+0xfd9/0x1990 [ 444.188870] 0*16kB [ 444.191028] ? rcu_cpu_stall_reset+0x220/0x220 [ 444.195487] 1*32kB [ 444.197724] ? lock_release+0x970/0x970 [ 444.202278] (U) [ 444.204521] ? graph_lock+0x170/0x170 [ 444.208457] 2*64kB (U) [ 444.210437] ? graph_lock+0x170/0x170 [ 444.214212] 1*128kB [ 444.216789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.220552] (U) 1*256kB [ 444.222977] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 444.228402] (U) [ 444.231073] ? kvm_set_tsc_khz+0x540/0x540 [ 444.235627] 0*512kB 1*1024kB [ 444.237618] ? graph_lock+0x170/0x170 [ 444.241813] (U) [ 444.244925] ? timekeeping_advance+0x3cc/0xc00 [ 444.248702] 1*2048kB [ 444.250677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.255233] (M) [ 444.257645] ? check_preemption_disabled+0x48/0x200 [ 444.263150] 3*4096kB (M) [ 444.265134] ? check_preemption_disabled+0x48/0x200 [ 444.270128] = 15908kB [ 444.272884] ? trace_hardirqs_off+0xb8/0x310 [ 444.277867] Node 0 [ 444.280270] ? __lock_is_held+0xb5/0x140 [ 444.284648] DMA32: 3*4kB [ 444.286893] ? trace_hardirqs_on+0x310/0x310 [ 444.290932] (M) [ 444.293690] ? check_preemption_disabled+0x48/0x200 [ 444.298073] 2*8kB [ 444.300050] ? raise_softirq+0x199/0x420 [ 444.305034] (UM) [ 444.307184] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 444.311211] 2*16kB (M) [ 444.313279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.317919] 3*32kB (UM) [ 444.320511] ? check_preemption_disabled+0x48/0x200 [ 444.326016] 5*64kB (UM) [ 444.328701] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 444.333681] 3*128kB (M) [ 444.336365] ? hrtimer_run_queues+0x9a/0x400 [ 444.341883] 3*256kB [ 444.344551] ? run_local_timers+0x19b/0x230 [ 444.348931] (M) [ 444.351253] ? timer_clear_idle+0x90/0x90 [ 444.355549] 4*512kB [ 444.357520] ? debug_smp_processor_id+0x1c/0x20 [ 444.361641] (UM) [ 444.363970] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 444.368613] 3*1024kB [ 444.370678] ? account_process_tick+0x282/0x350 [ 444.376612] (UM) [ 444.379020] update_process_times+0x2d/0x70 [ 444.383657] 3*2048kB [ 444.385717] tick_sched_handle+0x9f/0x180 [ 444.390010] (UM) [ 444.392422] tick_sched_timer+0x45/0x130 [ 444.396542] 3*4096kB [ 444.398603] __hrtimer_run_queues+0x41c/0x10d0 [ 444.402630] (M) = 25180kB [ 444.405047] ? tick_sched_do_timer+0x1a0/0x1a0 [ 444.409600] Node 0 [ 444.412358] ? hrtimer_start_range_ns+0xe00/0xe00 [ 444.416918] Normal: [ 444.419155] ? pvclock_read_flags+0x160/0x160 [ 444.423971] 960*4kB [ 444.426289] ? trace_hardirqs_on+0x310/0x310 [ 444.430755] (MEH) [ 444.433086] ? kvm_clock_read+0x18/0x30 [ 444.437456] 471*8kB (UME) [ 444.439612] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 444.443562] 178*16kB [ 444.446410] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 444.451394] (ME) [ 444.453815] ? do_timer+0x50/0x50 [ 444.459159] 44*32kB [ 444.461216] ? trace_hardirqs_on+0x310/0x310 [ 444.464639] (UME) [ 444.466961] ? do_raw_spin_lock+0xc1/0x200 [ 444.471333] 1*64kB (U) [ 444.473491] hrtimer_interrupt+0x313/0x780 [ 444.477692] 0*128kB 0*256kB [ 444.480299] smp_apic_timer_interrupt+0x1a1/0x760 [ 444.484494] 2*512kB [ 444.487505] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.492322] (U) [ 444.494644] ? interrupt_entry+0xb5/0xf0 [ 444.500493] 1*1024kB (U) [ 444.502477] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.506509] 0*2048kB 0*4096kB [ 444.509271] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.514260] = 13976kB [ 444.517450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.522097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.524496] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.529320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.538163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.543143] 2889 total pagecache pages [ 444.551722] apic_timer_interrupt+0xf/0x20 [ 444.556541] 0 pages in swap cache [ 444.560421] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 444.564632] Swap cache stats: add 0, delete 0, find 0/0 [ 444.568071] Code: 41 7e 0f 85 32 ff ff ff e8 45 ec 3f ff e9 28 ff ff ff e8 6c 53 c4 ff 48 83 3d fc 60 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 444.573413] Free swap = 0kB [ 444.578762] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 [ 444.597657] Total swap = 0kB [ 444.597666] 1965979 pages RAM [ 444.600676] ORIG_RAX: ffffffffffffff13 [ 444.606017] 0 pages HighMem/MovableOnly [ 444.606026] 342306 pages reserved [ 444.609033] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100333871b9 [ 444.612118] 0 pages cma reserved [ 444.616079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 444.620111] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.623468] RBP: ffff8801daf074c0 R08: ffff880199c38dc8 R09: 0000000000000002 [ 444.623481] R10: 0000000000000000 R11: ffff880199c38500 R12: ffff8801d9be7c80 [ 444.630858] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.634096] R13: ffff8801d9be7c80 R14: 0000000000000000 R15: 0000000000000286 [ 444.641356] syz-executor1 cpuset= [ 444.647862] ? apic_timer_interrupt+0xa/0x20 [ 444.655116] syz1 [ 444.662417] ? ipv6_get_ifaddr+0x42e/0x620 [ 444.672865] mems_allowed=0 [ 444.680139] __alloc_skb+0x119/0x770 [ 444.700752] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 444.706040] ? skb_scrub_packet+0x490/0x490 [ 444.710367] ? lock_downgrade+0x900/0x900 [ 444.714534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.720075] ? refcount_sub_and_test_checked+0x203/0x310 [ 444.725534] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 444.730993] ? addrconf_rs_timer+0x690/0x690 [ 444.735418] ndisc_alloc_skb+0x144/0x340 [ 444.739491] ndisc_send_rs+0x331/0x6e0 [ 444.743390] addrconf_rs_timer+0x314/0x690 [ 444.747638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.751892] call_timer_fn+0x272/0x920 [ 444.755778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.760024] ? process_timeout+0x40/0x40 [ 444.764085] ? find_held_lock+0x36/0x1c0 [ 444.768157] ? __run_timers+0x7da/0xc70 [ 444.772141] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.776638] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.781131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.785370] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 444.789961] ? trace_hardirqs_on+0xbd/0x310 [ 444.794287] ? kasan_check_read+0x11/0x20 [ 444.798441] ? __run_timers+0x7da/0xc70 [ 444.802426] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.807889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.812133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.816371] __run_timers+0x7e5/0xc70 [ 444.820192] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 444.825563] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 444.830852] ? rcu_bh_qs+0xc0/0xc0 [ 444.834405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.839946] ? check_preemption_disabled+0x48/0x200 [ 444.844974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.849742] ? retint_kernel+0x2d/0x2d [ 444.853635] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.858567] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.863328] ? trace_hardirqs_off+0x310/0x310 [ 444.867836] ? check_preemption_disabled+0x48/0x200 [ 444.872867] ? graph_lock+0x170/0x170 [ 444.876674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.882216] ? check_preemption_disabled+0x48/0x200 [ 444.887246] ? __lock_is_held+0xb5/0x140 [ 444.891314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.897117] ? check_preemption_disabled+0x48/0x200 [ 444.902148] run_timer_softirq+0x52/0xb0 [ 444.906213] ? rcu_read_lock_sched_held+0x108/0x120 [ 444.911233] __do_softirq+0x30b/0xad8 [ 444.915046] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 444.920156] ? pvclock_read_flags+0x160/0x160 [ 444.924652] ? lapic_next_event+0x5a/0x90 [ 444.928809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.934364] ? check_preemption_disabled+0x48/0x200 [ 444.939388] ? check_preemption_disabled+0x48/0x200 [ 444.944423] ? kvm_clock_read+0x18/0x30 [ 444.948407] ? kvm_sched_clock_read+0x9/0x20 [ 444.952838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.958381] ? check_preemption_disabled+0x48/0x200 [ 444.963426] irq_exit+0x17f/0x1c0 [ 444.966885] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.971728] ? smp_reschedule_interrupt+0x109/0x650 [ 444.976748] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.982636] ? interrupt_entry+0xb5/0xf0 [ 444.986705] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.991720] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.996742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.001590] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.006607] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.011630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.017171] ? check_preemption_disabled+0x48/0x200 [ 445.022190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.027741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.032593] apic_timer_interrupt+0xf/0x20 [ 445.036836] [ 445.039079] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.044010] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 445.062920] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 445.070636] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.077906] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 445.085174] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 445.092447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.099716] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 445.107037] skb_clone+0x1bb/0x500 [ 445.110579] ? finish_task_switch+0x2f5/0x900 [ 445.115079] ? skb_split+0x11e0/0x11e0 [ 445.118968] ? preempt_notifier_register+0x200/0x200 [ 445.124075] ? __switch_to_asm+0x34/0x70 [ 445.128140] ? __switch_to_asm+0x34/0x70 [ 445.132206] ? __switch_to_asm+0x40/0x70 [ 445.136266] ? __switch_to_asm+0x34/0x70 [ 445.140327] ? __switch_to_asm+0x40/0x70 [ 445.144387] ? __switch_to_asm+0x34/0x70 [ 445.148458] ? __switch_to_asm+0x40/0x70 [ 445.152520] ? __switch_to_asm+0x34/0x70 [ 445.156584] ? __switch_to_asm+0x34/0x70 [ 445.160645] ? __switch_to_asm+0x40/0x70 [ 445.164710] ? __switch_to_asm+0x34/0x70 [ 445.168787] bpf_clone_redirect+0xb9/0x490 [ 445.173026] ? __schedule+0x874/0x1ed0 [ 445.176922] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 445.181951] ? __sched_text_start+0x8/0x8 [ 445.186109] ? retint_kernel+0x2d/0x2d [ 445.190009] ? find_held_lock+0x36/0x1c0 [ 445.194085] ? lock_acquire+0x1ed/0x520 [ 445.198061] ? bpf_test_run+0x3cb/0x780 [ 445.202040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.207582] ? check_preemption_disabled+0x48/0x200 [ 445.212608] ? kasan_check_read+0x11/0x20 [ 445.216763] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.222044] ? rcu_bh_qs+0xc0/0xc0 [ 445.225584] ? preempt_schedule+0x4d/0x60 [ 445.229738] ? ___preempt_schedule+0x16/0x18 [ 445.234156] ? bpf_test_run+0x25d/0x780 [ 445.238148] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.242570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.248114] ? bpf_test_init.isra.9+0x70/0x100 [ 445.252707] ? bpf_prog_test_run_skb+0x634/0xb40 [ 445.257475] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.262319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.267869] ? fput+0x130/0x1a0 [ 445.271154] ? __bpf_prog_get+0x9b/0x290 [ 445.275222] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.280067] ? bpf_prog_test_run+0x130/0x1a0 [ 445.284490] ? __x64_sys_bpf+0x3d8/0x510 [ 445.288552] ? bpf_prog_get+0x20/0x20 [ 445.292378] ? do_syscall_64+0x1b9/0x820 [ 445.296448] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.301818] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.306763] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.311781] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.316801] ? recalc_sigpending_tsk+0x180/0x180 [ 445.321566] ? kasan_check_write+0x14/0x20 [ 445.325808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.330676] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.336063] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 445.336569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 445.343341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.343351] Call Trace: [ 445.349954] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.359176] [ 445.361752] syz-executor2 cpuset= [ 445.372237] dump_stack+0x1c4/0x2b4 [ 445.374353] syz2 [ 445.377801] ? dump_stack_print_info.cold.2+0x52/0x52 [ 445.381405] mems_allowed=0 [ 445.383381] warn_alloc.cold.119+0xb7/0x1bd [ 445.395779] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.400628] ? lock_downgrade+0x900/0x900 [ 445.404817] ? trace_hardirqs_off+0xb8/0x310 [ 445.409246] ? trace_hardirqs_off+0xb8/0x310 [ 445.413666] __alloc_pages_slowpath+0x2667/0x2d80 [ 445.418545] ? warn_alloc+0x120/0x120 [ 445.422348] ? trace_hardirqs_on+0x310/0x310 [ 445.426763] ? warn_alloc+0x120/0x120 [ 445.430569] ? print_usage_bug+0xc0/0xc0 [ 445.434629] ? warn_alloc+0x120/0x120 [ 445.438428] ? ktime_get+0x2e1/0x440 [ 445.442142] ? print_usage_bug+0xc0/0xc0 [ 445.446207] ? __lock_acquire+0x7ec/0x4ec0 [ 445.450439] ? __lock_acquire+0x7ec/0x4ec0 [ 445.454676] ? kasan_check_read+0x11/0x20 [ 445.458834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.464372] ? should_fail+0x22d/0xd01 [ 445.468265] ? rcu_bh_qs+0xc0/0xc0 [ 445.471812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.476928] ? __lock_acquire+0x7ec/0x4ec0 [ 445.481169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.486271] ? __lock_acquire+0x7ec/0x4ec0 [ 445.490508] ? should_fail+0x22d/0xd01 [ 445.494404] ? rcu_idle_enter+0x4b0/0x4b0 [ 445.498564] ? mark_held_locks+0x130/0x130 [ 445.502803] ? mark_held_locks+0x130/0x130 [ 445.507054] ? mark_held_locks+0xc7/0x130 [ 445.511212] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 445.516227] ? graph_lock+0x170/0x170 [ 445.520030] ? print_usage_bug+0xc0/0xc0 [ 445.524097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.529639] ? check_preemption_disabled+0x48/0x200 [ 445.534658] ? check_preemption_disabled+0x48/0x200 [ 445.539691] ? __lock_is_held+0xb5/0x140 [ 445.543764] __alloc_pages_nodemask+0xa80/0xde0 [ 445.548434] ? graph_lock+0x170/0x170 [ 445.552239] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 445.557253] ? graph_lock+0x170/0x170 [ 445.561067] ? find_held_lock+0x36/0x1c0 [ 445.565144] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.569818] ? lock_downgrade+0x900/0x900 [ 445.573987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.579530] cache_grow_begin+0x91/0x8c0 [ 445.583612] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.588028] fallback_alloc+0x203/0x2e0 [ 445.592014] ____cache_alloc_node+0x1c7/0x1e0 [ 445.596515] kmem_cache_alloc_node+0xe3/0x730 [ 445.601011] ? ipv6_get_ifaddr+0x42e/0x620 [ 445.605256] __alloc_skb+0x119/0x770 [ 445.608973] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.614256] ? skb_scrub_packet+0x490/0x490 [ 445.618579] ? lock_downgrade+0x900/0x900 [ 445.622738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.628281] ? refcount_sub_and_test_checked+0x203/0x310 [ 445.633741] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 445.639196] ? addrconf_rs_timer+0x690/0x690 [ 445.643616] ndisc_alloc_skb+0x144/0x340 [ 445.647684] ndisc_send_rs+0x331/0x6e0 [ 445.651584] addrconf_rs_timer+0x314/0x690 [ 445.655838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.660091] call_timer_fn+0x272/0x920 [ 445.663978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.668220] ? process_timeout+0x40/0x40 [ 445.672278] ? find_held_lock+0x36/0x1c0 [ 445.676348] ? mark_held_locks+0xc7/0x130 [ 445.680502] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.685003] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.689498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.693737] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 445.698355] ? trace_hardirqs_on+0xbd/0x310 [ 445.702679] ? kasan_check_read+0x11/0x20 [ 445.706834] ? __run_timers+0x7da/0xc70 [ 445.710814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.716280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.720518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.724755] __run_timers+0x7e5/0xc70 [ 445.728570] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 445.733939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.738959] ? graph_lock+0x170/0x170 [ 445.742764] ? print_usage_bug+0xc0/0xc0 [ 445.746822] ? lock_release+0x970/0x970 [ 445.750807] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.756015] ? find_held_lock+0x36/0x1c0 [ 445.760084] ? graph_lock+0x170/0x170 [ 445.763905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.769463] ? check_preemption_disabled+0x48/0x200 [ 445.774494] ? __lock_is_held+0xb5/0x140 [ 445.778556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.784110] ? check_preemption_disabled+0x48/0x200 [ 445.789134] run_timer_softirq+0x52/0xb0 [ 445.793200] ? rcu_read_lock_sched_held+0x108/0x120 [ 445.798218] __do_softirq+0x30b/0xad8 [ 445.802037] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 445.807165] ? pvclock_read_flags+0x160/0x160 [ 445.811663] ? lapic_next_event+0x5a/0x90 [ 445.815811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.821363] ? check_preemption_disabled+0x48/0x200 [ 445.826379] ? check_preemption_disabled+0x48/0x200 [ 445.831407] ? kvm_clock_read+0x18/0x30 [ 445.835386] ? kvm_sched_clock_read+0x9/0x20 [ 445.839798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.845346] ? check_preemption_disabled+0x48/0x200 [ 445.850375] irq_exit+0x17f/0x1c0 [ 445.853839] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.858683] ? smp_reschedule_interrupt+0x109/0x650 [ 445.863700] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.869594] ? interrupt_entry+0xb5/0xf0 [ 445.873664] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.878684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.883912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.888758] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.893773] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.898793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.904372] ? check_preemption_disabled+0x48/0x200 [ 445.909409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.914959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.919811] apic_timer_interrupt+0xf/0x20 [ 445.924044] [ 445.926283] RIP: 0010:console_unlock+0xfdf/0x1160 [ 445.931133] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 445.950409] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 445.958123] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 445.965389] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 445.972660] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 445.979929] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 445.987197] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 445.994480] ? netconsole_netdev_event+0x280/0x280 [ 445.999422] ? console_unlock+0xfd6/0x1160 [ 446.003682] ? devkmsg_read+0xbb0/0xbb0 [ 446.007655] ? vprintk_emit+0x7f7/0x930 [ 446.011648] ? lock_release+0x970/0x970 [ 446.015627] ? trace_hardirqs_on+0x10/0x310 [ 446.019952] ? vprintk_default+0x28/0x30 [ 446.024020] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.029473] ? kasan_check_write+0x14/0x20 [ 446.033709] ? do_raw_spin_lock+0xc1/0x200 [ 446.037954] vprintk_emit+0x33d/0x930 [ 446.041763] ? wake_up_klogd+0x180/0x180 [ 446.045846] ? find_held_lock+0x36/0x1c0 [ 446.049925] ? mark_held_locks+0xc7/0x130 [ 446.054085] vprintk_default+0x28/0x30 [ 446.057972] vprintk_func+0x7e/0x181 [ 446.061692] printk+0xa7/0xcf [ 446.064802] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 446.069577] ? kasan_check_write+0x14/0x20 [ 446.073819] ? do_raw_spin_lock+0xc1/0x200 [ 446.078076] show_free_areas.cold.120+0x1b8e/0x215d [ 446.083516] ? si_meminfo_node+0x260/0x260 [ 446.087756] ? __lock_acquire+0x7ec/0x4ec0 [ 446.091999] ? __lock_acquire+0x7ec/0x4ec0 [ 446.096240] ? __lock_acquire+0x7ec/0x4ec0 [ 446.100478] ? kasan_check_write+0x14/0x20 [ 446.104713] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 446.110527] ? mark_held_locks+0x130/0x130 [ 446.114767] ? mark_held_locks+0x130/0x130 [ 446.119009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.124547] ? graph_lock+0x170/0x170 [ 446.128351] ? put_dec+0x3b/0xf0 [ 446.131720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.137260] ? number+0x972/0xca0 [ 446.140716] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 446.145738] ? find_held_lock+0x36/0x1c0 [ 446.149817] ? serial8250_console_write+0x8b3/0xb10 [ 446.154850] ? lock_downgrade+0x900/0x900 [ 446.158999] ? graph_lock+0x170/0x170 [ 446.162803] ? graph_lock+0x170/0x170 [ 446.166613] ? print_usage_bug+0xc0/0xc0 [ 446.170677] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.175086] ? trace_hardirqs_on+0x310/0x310 [ 446.179494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.185032] ? wq_watchdog_touch+0x9c/0xfe [ 446.189272] ? io_serial_in+0x11/0x90 [ 446.193086] ? find_held_lock+0x36/0x1c0 [ 446.197159] ? mark_held_locks+0xc7/0x130 [ 446.201328] ? console_unlock+0xfaa/0x1160 [ 446.205564] ? console_unlock+0xfaa/0x1160 [ 446.209798] ? lockdep_hardirqs_on+0x421/0x5c0 [ 446.214391] ? vprintk_emit+0x33d/0x930 [ 446.218371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.223836] ? kasan_check_write+0x14/0x20 [ 446.228078] ? do_raw_spin_lock+0xc1/0x200 [ 446.232322] ? netconsole_netdev_event+0x280/0x280 [ 446.237256] ? console_unlock+0x9ba/0x1160 [ 446.241504] ? devkmsg_read+0xbb0/0xbb0 [ 446.245483] ? lock_release+0x970/0x970 [ 446.249462] ? preempt_count_add+0x7d/0x160 [ 446.253786] ? wake_up_klogd+0x11a/0x180 [ 446.257859] ? console_device+0xc0/0xc0 [ 446.261853] ? vprintk_emit+0x268/0x930 [ 446.265847] ? wake_up_klogd+0x180/0x180 [ 446.269916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.274672] ? trace_hardirqs_off+0x310/0x310 [ 446.279170] ? retint_kernel+0x1b/0x2d [ 446.283059] ? trace_hardirqs_on+0x310/0x310 [ 446.287476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.292240] ? retint_kernel+0x2d/0x2d [ 446.296139] ? arch_local_irq_restore+0x45/0x52 [ 446.300813] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 446.305846] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 446.310631] ? show_mem+0x1e/0x17b [ 446.314189] show_mem+0x34/0x17b [ 446.317567] dump_header+0x2f1/0xf72 [ 446.321306] ? pagefault_out_of_memory+0x197/0x197 [ 446.326258] ? __lock_acquire+0x7ec/0x4ec0 [ 446.330496] ? print_usage_bug+0xc0/0xc0 [ 446.334566] ? graph_lock+0x170/0x170 [ 446.338396] ? print_usage_bug+0xc0/0xc0 [ 446.342470] ? print_usage_bug+0xc0/0xc0 [ 446.346540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.352081] ? find_held_lock+0x36/0x1c0 [ 446.356155] ? mark_held_locks+0xc7/0x130 [ 446.360310] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.365414] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.370517] ? lockdep_hardirqs_on+0x421/0x5c0 [ 446.375102] ? trace_hardirqs_on+0xbd/0x310 [ 446.379437] ? kasan_check_read+0x11/0x20 [ 446.383581] ? ___ratelimit+0x36f/0x655 [ 446.387591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.393041] ? trace_hardirqs_on+0x310/0x310 [ 446.397451] ? lock_downgrade+0x900/0x900 [ 446.401608] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.406743] ? ___ratelimit+0xaa/0x655 [ 446.410647] ? idr_get_free+0xec0/0xec0 [ 446.414621] ? kasan_check_write+0x14/0x20 [ 446.418868] ? do_raw_spin_lock+0xc1/0x200 [ 446.423114] oom_kill_process.cold.27+0x10/0x903 [ 446.427871] ? graph_lock+0x170/0x170 [ 446.431690] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 446.437487] ? kasan_check_read+0x11/0x20 [ 446.441637] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 446.446924] ? oom_evaluate_task+0x540/0x540 [ 446.451338] ? find_held_lock+0x36/0x1c0 [ 446.455406] ? out_of_memory+0x974/0x1430 [ 446.459558] ? lock_downgrade+0x900/0x900 [ 446.463708] ? check_preemption_disabled+0x48/0x200 [ 446.468733] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 446.474533] ? kasan_check_read+0x11/0x20 [ 446.478682] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 446.483962] ? rcu_bh_qs+0xc0/0xc0 [ 446.487508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.493048] ? oom_evaluate_task+0x302/0x540 [ 446.497461] out_of_memory+0xa84/0x1430 [ 446.501447] ? oom_killer_disable+0x3a0/0x3a0 [ 446.505951] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 446.510887] ? __mutex_add_waiter+0x2a0/0x2a0 [ 446.515400] __alloc_pages_slowpath+0x2318/0x2d80 [ 446.520277] ? warn_alloc+0x120/0x120 [ 446.524083] ? trace_hardirqs_on+0x310/0x310 [ 446.528497] ? print_usage_bug+0xc0/0xc0 [ 446.532593] ? warn_alloc+0x120/0x120 [ 446.536395] ? print_usage_bug+0xc0/0xc0 [ 446.540461] ? print_usage_bug+0xc0/0xc0 [ 446.544521] ? free_one_page+0x1700/0x1700 [ 446.548759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.554298] ? should_fail+0x22d/0xd01 [ 446.558193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.563297] ? __lock_acquire+0x7ec/0x4ec0 [ 446.567562] ? __lock_is_held+0xb5/0x140 [ 446.571636] ? graph_lock+0x170/0x170 [ 446.575440] ? ___might_sleep+0x1ed/0x300 [ 446.579588] ? lock_release+0x970/0x970 [ 446.583563] ? arch_local_save_flags+0x40/0x40 [ 446.588163] ? __might_sleep+0x95/0x190 [ 446.592144] __alloc_pages_nodemask+0xa80/0xde0 [ 446.596818] ? graph_lock+0x170/0x170 [ 446.600631] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 446.605645] ? graph_lock+0x170/0x170 [ 446.609455] ? mark_held_locks+0xc7/0x130 [ 446.613602] ? find_held_lock+0x36/0x1c0 [ 446.617670] ? cache_grow_begin+0x5a4/0x8c0 [ 446.621990] ? lockdep_hardirqs_on+0x421/0x5c0 [ 446.626575] ? trace_hardirqs_on+0xbd/0x310 [ 446.630901] ? fallback_alloc+0x203/0x2e0 [ 446.635053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.640509] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 446.646055] cache_grow_begin+0x91/0x8c0 [ 446.650125] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.654543] fallback_alloc+0x203/0x2e0 [ 446.658527] ____cache_alloc_node+0x1c7/0x1e0 [ 446.663033] kmem_cache_alloc_node_trace+0xe7/0x740 [ 446.668065] __kmalloc_node_track_caller+0x33/0x70 [ 446.673001] __kmalloc_reserve.isra.39+0x41/0xe0 [ 446.677764] __alloc_skb+0x155/0x770 [ 446.681484] ? skb_scrub_packet+0x490/0x490 [ 446.685811] ? if_nlmsg_size+0x5d1/0xbb0 [ 446.689885] ? nla_put_ifalias+0x170/0x170 [ 446.694142] ? sk_psock_stop_strp+0x120/0x120 [ 446.698636] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 446.703651] ? netif_tx_stop_all_queues+0xd9/0x110 [ 446.708601] rtmsg_ifinfo_build_skb+0x74/0x190 [ 446.713189] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 446.718037] rtmsg_ifinfo+0x8c/0xa0 [ 446.721672] dev_close_many+0x3be/0x860 [ 446.725660] ? netdev_master_upper_dev_link+0x50/0x50 [ 446.730864] ? find_held_lock+0x36/0x1c0 [ 446.734940] ? __queue_work+0x6be/0x1440 [ 446.739006] ? lock_downgrade+0x900/0x900 [ 446.743165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.748705] ? rtnl_is_locked+0xb5/0xf0 [ 446.752686] ? rtnl_trylock+0x20/0x20 [ 446.756487] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.760904] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 446.765500] rollback_registered_many+0x543/0x1210 [ 446.770440] ? generic_xdp_install+0x4c0/0x4c0 [ 446.775036] ? max_active_store+0x170/0x170 [ 446.779359] ? graph_lock+0x170/0x170 [ 446.783160] ? print_usage_bug+0xc0/0xc0 [ 446.787221] ? print_usage_bug+0xc0/0xc0 [ 446.791284] ? __debug_object_init+0x57d/0x1290 [ 446.795957] ? graph_lock+0x170/0x170 [ 446.799761] ? print_usage_bug+0xc0/0xc0 [ 446.803837] ? find_held_lock+0x36/0x1c0 [ 446.807919] ? mark_held_locks+0xc7/0x130 [ 446.812079] rollback_registered+0x1e9/0x420 [ 446.816486] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 446.821068] ? rollback_registered_many+0x1210/0x1210 [ 446.826260] ? trace_hardirqs_on+0xbd/0x310 [ 446.830583] ? linkwatch_schedule_work+0x150/0x170 [ 446.835513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.840968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.846507] ? rtnl_is_locked+0xb5/0xf0 [ 446.850482] ? rtnl_trylock+0x20/0x20 [ 446.854288] ? queue_delayed_work_on+0x130/0x1f0 [ 446.859052] unregister_netdevice_queue+0x321/0x5e0 [ 446.864077] ? rollback_registered+0x420/0x420 [ 446.868664] ? linkwatch_schedule_work+0x170/0x170 [ 446.873594] ? tun_show_owner+0x170/0x170 [ 446.877744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.883287] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 446.888655] ? __tun_detach+0x6ba/0x15c0 [ 446.892813] __tun_detach+0x11b8/0x15c0 [ 446.896803] ? __call_rcu.constprop.69+0x429/0xbc0 [ 446.901752] ? tun_attach+0x1900/0x1900 [ 446.905732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.911271] ? check_preemption_disabled+0x48/0x200 [ 446.916315] ? graph_lock+0x170/0x170 [ 446.920117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.925655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.931199] ? locks_remove_file+0x3c6/0x5c0 [ 446.935608] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 446.941147] ? ima_file_free+0x132/0x650 [ 446.945211] ? __lock_is_held+0xb5/0x140 [ 446.949276] ? __tun_detach+0x15c0/0x15c0 [ 446.953875] ? __tun_detach+0x15c0/0x15c0 [ 446.958027] tun_chr_close+0xe3/0x180 [ 446.961838] __fput+0x385/0xa30 [ 446.965131] ? get_max_files+0x20/0x20 [ 446.969029] ? ___might_sleep+0x1ed/0x300 [ 446.973184] ? arch_local_save_flags+0x40/0x40 [ 446.977783] ____fput+0x15/0x20 [ 446.981065] task_work_run+0x1e8/0x2a0 [ 446.984956] ? task_work_cancel+0x240/0x240 [ 446.989284] ? switch_task_namespaces+0xb8/0xd0 [ 446.993963] do_exit+0x1ad7/0x2610 [ 446.997514] ? mm_update_next_owner+0x990/0x990 [ 447.002188] ? print_usage_bug+0xc0/0xc0 [ 447.006250] ? perf_trace_lock+0x14d/0x7a0 [ 447.010490] ? __lock_acquire+0x7ec/0x4ec0 [ 447.014736] ? find_held_lock+0x36/0x1c0 [ 447.018805] ? __lock_acquire+0x7ec/0x4ec0 [ 447.023049] ? mark_held_locks+0x130/0x130 [ 447.027288] ? lock_acquire+0x1ed/0x520 [ 447.031272] ? mark_held_locks+0x130/0x130 [ 447.035507] ? arch_local_save_flags+0x40/0x40 [ 447.040095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.045684] ? __mutex_lock+0x85e/0x1700 [ 447.049750] ? __switch_to_asm+0x40/0x70 [ 447.053812] ? __switch_to_asm+0x34/0x70 [ 447.057882] ? pipe_wait+0x266/0x2c0 [ 447.061611] ? mutex_trylock+0x2b0/0x2b0 [ 447.065689] ? graph_lock+0x170/0x170 [ 447.069495] ? find_held_lock+0x36/0x1c0 [ 447.073559] ? memset+0x31/0x40 [ 447.076853] ? find_held_lock+0x36/0x1c0 [ 447.080933] ? get_signal+0x95b/0x1980 [ 447.084825] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.089336] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.093848] do_group_exit+0x177/0x440 [ 447.097743] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.103200] ? __ia32_sys_exit+0x50/0x50 [ 447.107280] get_signal+0x8b0/0x1980 [ 447.111009] ? ptrace_notify+0x130/0x130 [ 447.115077] ? finish_wait+0x430/0x430 [ 447.118968] ? graph_lock+0x170/0x170 [ 447.122776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.128313] ? pipe_read+0x702/0x940 [ 447.132030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.137584] do_signal+0x9c/0x21e0 [ 447.141132] ? __vfs_read+0x11f/0x9b0 [ 447.144940] ? vfs_copy_file_range+0xb90/0xb90 [ 447.149526] ? setup_sigcontext+0x7d0/0x7d0 [ 447.153875] ? exit_to_usermode_loop+0x8c/0x380 [ 447.158574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.164127] exit_to_usermode_loop+0x2e5/0x380 [ 447.168714] ? syscall_slow_exit_work+0x520/0x520 [ 447.173555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.179106] do_syscall_64+0x6be/0x820 [ 447.182998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.188366] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.193297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.198145] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.203169] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.208196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.213053] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.218243] RIP: 0033:0x410fa0 [ 447.221440] Code: Bad RIP value. [ 447.224802] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 447.232524] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 447.239789] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 447.247058] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 447.254324] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 447.261594] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 447.268888] Mem-Info: [ 447.268902] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 447.268914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.271331] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 447.271331] active_file:8 inactive_file:19 isolated_file:0 [ 447.271331] unevictable:0 dirty:0 writeback:0 unstable:0 [ 447.271331] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 447.271331] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 447.271331] free:13766 free_pcp:526 free_cma:0 [ 447.278670] Call Trace: [ 447.288057] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 447.320994] [ 447.323573] Node 0 [ 447.351348] dump_stack+0x1c4/0x2b4 [ 447.353497] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 447.355703] ? dump_stack_print_info.cold.2+0x52/0x52 [ 447.359298] lowmem_reserve[]: 0 [ 447.384821] warn_alloc.cold.119+0xb7/0x1bd [ 447.389980] 2819 [ 447.393255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.397547] 6323 [ 447.399608] ? lock_downgrade+0x900/0x900 [ 447.404424] 6323 [ 447.406485] ? trace_hardirqs_off+0xb8/0x310 [ 447.410604] Node 0 [ 447.412667] ? trace_hardirqs_off+0xb8/0x310 [ 447.417074] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 447.419284] __alloc_pages_slowpath+0x2667/0x2d80 [ 447.423660] lowmem_reserve[]: [ 447.450848] ? warn_alloc+0x120/0x120 [ 447.455641] 0 [ 447.458744] ? trace_hardirqs_on+0x310/0x310 [ 447.462520] 0 [ 447.464318] ? warn_alloc+0x120/0x120 [ 447.468698] 3503 [ 447.470497] ? print_usage_bug+0xc0/0xc0 [ 447.474268] 3503 [ 447.476323] ? warn_alloc+0x120/0x120 [ 447.482419] ? ktime_get+0x2e1/0x440 [ 447.486194] Node 0 [ 447.489899] ? print_usage_bug+0xc0/0xc0 [ 447.489931] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 447.489938] lowmem_reserve[]: [ 447.492169] ? __lock_acquire+0x7ec/0x4ec0 [ 447.496201] 0 0 [ 447.524753] ? __lock_acquire+0x7ec/0x4ec0 [ 447.527843] 0 [ 447.532072] ? kasan_check_read+0x11/0x20 [ 447.534012] 0 [ 447.538250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.540025] Node 0 [ 447.544168] ? should_fail+0x22d/0xd01 [ 447.545942] DMA: [ 447.551471] ? rcu_bh_qs+0xc0/0xc0 [ 447.553683] 1*4kB [ 447.557565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.559602] (U) [ 447.563134] ? __lock_acquire+0x7ec/0x4ec0 [ 447.565257] 0*8kB [ 447.570351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.572301] 0*16kB [ 447.576526] ? __lock_acquire+0x7ec/0x4ec0 [ 447.578657] 1*32kB [ 447.583766] ? should_fail+0x22d/0xd01 [ 447.585976] (U) [ 447.590209] ? rcu_idle_enter+0x4b0/0x4b0 [ 447.592418] 2*64kB [ 447.596305] ? mark_held_locks+0x130/0x130 [ 447.598255] (U) [ 447.602394] ? mark_held_locks+0x130/0x130 [ 447.604611] 1*128kB [ 447.608849] ? mark_held_locks+0xc7/0x130 [ 447.610797] (U) [ 447.615030] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 447.617326] 1*256kB [ 447.621470] ? graph_lock+0x170/0x170 [ 447.623425] (U) [ 447.628436] ? print_usage_bug+0xc0/0xc0 [ 447.630737] 0*512kB [ 447.634530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.636483] 1*1024kB [ 447.640543] ? check_preemption_disabled+0x48/0x200 [ 447.642839] (U) 1*2048kB [ 447.648381] ? check_preemption_disabled+0x48/0x200 [ 447.650759] (M) 3*4096kB [ 447.655794] ? __lock_is_held+0xb5/0x140 [ 447.658519] (M) [ 447.663535] __alloc_pages_nodemask+0xa80/0xde0 [ 447.666264] = 15908kB [ 447.670315] ? graph_lock+0x170/0x170 [ 447.672266] Node 0 [ 447.676938] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.679325] DMA32: [ 447.683117] ? graph_lock+0x170/0x170 [ 447.685333] 3*4kB [ 447.690349] ? find_held_lock+0x36/0x1c0 [ 447.692551] (M) [ 447.696349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.698466] 2*8kB [ 447.702519] ? lock_downgrade+0x900/0x900 [ 447.704490] (UM) [ 447.709156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.711274] 2*16kB [ 447.715423] cache_grow_begin+0x91/0x8c0 [ 447.717459] (M) [ 447.722989] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.725202] 3*32kB [ 447.729261] fallback_alloc+0x203/0x2e0 [ 447.731208] (UM) [ 447.735614] ____cache_alloc_node+0x1c7/0x1e0 [ 447.737835] 5*64kB [ 447.741800] kmem_cache_alloc_node+0xe3/0x730 [ 447.743844] (UM) [ 447.748335] ? ipv6_get_ifaddr+0x42e/0x620 [ 447.750550] 3*128kB [ 447.755041] __alloc_skb+0x119/0x770 [ 447.757070] (M) [ 447.761299] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.763596] 3*256kB [ 447.767299] ? skb_scrub_packet+0x490/0x490 [ 447.769254] (M) [ 447.774522] ? lock_downgrade+0x900/0x900 [ 447.776824] 4*512kB [ 447.781152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.783097] (UM) [ 447.787238] ? refcount_sub_and_test_checked+0x203/0x310 [ 447.789538] 3*1024kB [ 447.795070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 447.797120] (UM) [ 447.802566] ? addrconf_rs_timer+0x690/0x690 [ 447.804951] 3*2048kB [ 447.810406] ndisc_alloc_skb+0x144/0x340 [ 447.812434] (UM) [ 447.816845] ndisc_send_rs+0x331/0x6e0 [ 447.819226] 3*4096kB [ 447.823286] addrconf_rs_timer+0x314/0x690 [ 447.825320] (M) [ 447.829202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.831590] = 25180kB [ 447.835836] call_timer_fn+0x272/0x920 [ 447.837776] Node 0 [ 447.842005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.844386] Normal: 960*4kB [ 447.848280] ? process_timeout+0x40/0x40 [ 447.850488] (MEH) [ 447.854720] ? find_held_lock+0x36/0x1c0 [ 447.857715] 471*8kB [ 447.861777] ? __run_timers+0x7da/0xc70 [ 447.863902] (UME) [ 447.867960] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.870262] 178*16kB [ 447.874227] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.876355] (ME) [ 447.880851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.883241] 44*32kB [ 447.887730] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 447.889765] (UME) [ 447.893997] ? trace_hardirqs_on+0xbd/0x310 [ 447.896298] 1*64kB [ 447.900875] ? kasan_check_read+0x11/0x20 [ 447.902995] (U) [ 447.907316] ? __run_timers+0x7da/0xc70 [ 447.909529] 0*128kB [ 447.913670] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.915626] 0*256kB [ 447.919595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.921894] 2*512kB [ 447.927337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.929637] (U) [ 447.933872] __run_timers+0x7e5/0xc70 [ 447.936167] 1*1024kB [ 447.940413] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 447.942348] (U) [ 447.946147] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.948532] 0*2048kB [ 447.954071] ? rcu_bh_qs+0xc0/0xc0 [ 447.956032] 0*4096kB [ 447.961306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.963691] = 13976kB [ 447.967224] ? check_preemption_disabled+0x48/0x200 [ 447.969614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 447.975151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.977553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 447.982560] ? retint_kernel+0x2d/0x2d [ 447.991374] 2889 total pagecache pages [ 447.996126] ? trace_hardirqs_on_caller+0xc0/0x310 [ 448.004683] 0 pages in swap cache [ 448.008569] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.012442] Swap cache stats: add 0, delete 0, find 0/0 [ 448.012451] Free swap = 0kB [ 448.017373] ? trace_hardirqs_off+0x310/0x310 [ 448.020798] Total swap = 0kB [ 448.025550] ? check_preemption_disabled+0x48/0x200 [ 448.030885] 1965979 pages RAM [ 448.033896] ? graph_lock+0x170/0x170 [ 448.038363] 0 pages HighMem/MovableOnly [ 448.038372] 342306 pages reserved [ 448.041395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.046384] 0 pages cma reserved [ 448.049491] ? check_preemption_disabled+0x48/0x200 [ 448.053341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 448.057240] ? __lock_is_held+0xb5/0x140 [ 448.057258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.057276] ? check_preemption_disabled+0x48/0x200 [ 448.060776] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.066249] run_timer_softirq+0x52/0xb0 [ 448.069586] syz-executor1 cpuset= [ 448.074595] ? rcu_read_lock_sched_held+0x108/0x120 [ 448.081069] syz1 mems_allowed=0 [ 448.122235] __do_softirq+0x30b/0xad8 [ 448.126053] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 448.131170] ? pvclock_read_flags+0x160/0x160 [ 448.135669] ? lapic_next_event+0x5a/0x90 [ 448.139824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.145376] ? check_preemption_disabled+0x48/0x200 [ 448.150403] ? check_preemption_disabled+0x48/0x200 [ 448.155431] ? kvm_clock_read+0x18/0x30 [ 448.159419] ? kvm_sched_clock_read+0x9/0x20 [ 448.163839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.169378] ? check_preemption_disabled+0x48/0x200 [ 448.174420] irq_exit+0x17f/0x1c0 [ 448.177910] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.182754] ? smp_reschedule_interrupt+0x109/0x650 [ 448.187773] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.193666] ? interrupt_entry+0xb5/0xf0 [ 448.197730] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.202749] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.207771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.212618] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.217631] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.222649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.228192] ? check_preemption_disabled+0x48/0x200 [ 448.233213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.238759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.243611] apic_timer_interrupt+0xf/0x20 [ 448.247852] [ 448.250096] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 448.255028] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 448.273941] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 448.281656] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 448.288922] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 448.296194] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 448.303466] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 448.310736] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 448.318053] skb_clone+0x1bb/0x500 [ 448.321596] ? finish_task_switch+0x2f5/0x900 [ 448.326093] ? skb_split+0x11e0/0x11e0 [ 448.329986] ? preempt_notifier_register+0x200/0x200 [ 448.335095] ? __switch_to_asm+0x34/0x70 [ 448.339159] ? __switch_to_asm+0x34/0x70 [ 448.343224] ? __switch_to_asm+0x40/0x70 [ 448.347285] ? __switch_to_asm+0x34/0x70 [ 448.351345] ? __switch_to_asm+0x40/0x70 [ 448.355410] ? __switch_to_asm+0x34/0x70 [ 448.359473] ? __switch_to_asm+0x40/0x70 [ 448.363535] ? __switch_to_asm+0x34/0x70 [ 448.367606] ? __switch_to_asm+0x34/0x70 [ 448.371668] ? __switch_to_asm+0x40/0x70 [ 448.375734] ? __switch_to_asm+0x34/0x70 [ 448.379808] bpf_clone_redirect+0xb9/0x490 [ 448.384051] ? __schedule+0x874/0x1ed0 [ 448.387946] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 448.392966] ? __sched_text_start+0x8/0x8 [ 448.397123] ? retint_kernel+0x2d/0x2d [ 448.401027] ? find_held_lock+0x36/0x1c0 [ 448.405095] ? lock_acquire+0x1ed/0x520 [ 448.409069] ? bpf_test_run+0x3cb/0x780 [ 448.413047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.418589] ? check_preemption_disabled+0x48/0x200 [ 448.423617] ? kasan_check_read+0x11/0x20 [ 448.427774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 448.433056] ? rcu_bh_qs+0xc0/0xc0 [ 448.436602] ? preempt_schedule+0x4d/0x60 [ 448.440754] ? ___preempt_schedule+0x16/0x18 [ 448.445177] ? bpf_test_run+0x25d/0x780 [ 448.449165] ? netlink_diag_dump+0x2a0/0x2a0 [ 448.453584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.459122] ? bpf_test_init.isra.9+0x70/0x100 [ 448.463717] ? bpf_prog_test_run_skb+0x634/0xb40 [ 448.468487] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 448.473333] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 448.478873] ? fput+0x130/0x1a0 [ 448.482156] ? __bpf_prog_get+0x9b/0x290 [ 448.486227] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 448.491071] ? bpf_prog_test_run+0x130/0x1a0 [ 448.495486] ? __x64_sys_bpf+0x3d8/0x510 [ 448.499552] ? bpf_prog_get+0x20/0x20 [ 448.503377] ? do_syscall_64+0x1b9/0x820 [ 448.507446] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 448.512819] ? syscall_return_slowpath+0x5e0/0x5e0 [ 448.517762] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.522785] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 448.527806] ? recalc_sigpending_tsk+0x180/0x180 [ 448.532579] ? kasan_check_write+0x14/0x20 [ 448.536826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.541698] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 448.547090] CPU: 0 PID: 5362 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126 [ 448.547178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 448.554396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.554402] Call Trace: [ 448.554427] [ 448.561035] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.570278] dump_stack+0x1c4/0x2b4 [ 448.572857] syz-executor2 cpuset= [ 448.575001] ? dump_stack_print_info.cold.2+0x52/0x52 [ 448.585458] syz2 [ 448.589088] warn_alloc.cold.119+0xb7/0x1bd [ 448.592526] mems_allowed=0 [ 448.597704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.611746] ? lock_downgrade+0x900/0x900 [ 448.615908] ? trace_hardirqs_off+0xb8/0x310 [ 448.620357] ? trace_hardirqs_off+0xb8/0x310 [ 448.624780] __alloc_pages_slowpath+0x2667/0x2d80 [ 448.629661] ? warn_alloc+0x120/0x120 [ 448.633469] ? warn_alloc+0x120/0x120 [ 448.637275] ? print_usage_bug+0xc0/0xc0 [ 448.641338] ? warn_alloc+0x120/0x120 [ 448.645148] ? print_usage_bug+0xc0/0xc0 [ 448.649216] ? __lock_acquire+0x7ec/0x4ec0 [ 448.653458] ? __lock_acquire+0x7ec/0x4ec0 [ 448.657699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.663240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.668779] ? should_fail+0x22d/0xd01 [ 448.672677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.677784] ? __lock_acquire+0x7ec/0x4ec0 [ 448.682028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.687130] ? __lock_acquire+0x7ec/0x4ec0 [ 448.691366] ? should_fail+0x22d/0xd01 [ 448.695267] ? mark_held_locks+0x130/0x130 [ 448.699509] ? mark_held_locks+0x130/0x130 [ 448.703753] ? graph_lock+0x170/0x170 [ 448.707561] ? print_usage_bug+0xc0/0xc0 [ 448.711622] ? graph_lock+0x170/0x170 [ 448.715423] ? print_usage_bug+0xc0/0xc0 [ 448.719487] ? wq_watchdog_touch+0x9c/0xfe [ 448.723742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.729280] ? check_preemption_disabled+0x48/0x200 [ 448.734299] ? check_preemption_disabled+0x48/0x200 [ 448.739330] ? __lock_is_held+0xb5/0x140 [ 448.743401] __alloc_pages_nodemask+0xa80/0xde0 [ 448.748073] ? graph_lock+0x170/0x170 [ 448.751882] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 448.756910] ? graph_lock+0x170/0x170 [ 448.760725] ? find_held_lock+0x36/0x1c0 [ 448.764798] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.769481] ? lock_downgrade+0x900/0x900 [ 448.773639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.779187] cache_grow_begin+0x91/0x8c0 [ 448.783255] ? do_raw_spin_unlock+0xa7/0x2f0 [ 448.787673] fallback_alloc+0x203/0x2e0 [ 448.791658] ____cache_alloc_node+0x1c7/0x1e0 [ 448.796160] kmem_cache_alloc_node+0xe3/0x730 [ 448.800661] ? ipv6_get_ifaddr+0x42e/0x620 [ 448.804916] __alloc_skb+0x119/0x770 [ 448.808634] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 448.813928] ? skb_scrub_packet+0x490/0x490 [ 448.818253] ? lock_downgrade+0x900/0x900 [ 448.822413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.827963] ? refcount_sub_and_test_checked+0x203/0x310 [ 448.833423] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 448.838883] ? addrconf_rs_timer+0x690/0x690 [ 448.843312] ndisc_alloc_skb+0x144/0x340 [ 448.847386] ndisc_send_rs+0x331/0x6e0 [ 448.851281] addrconf_rs_timer+0x314/0x690 [ 448.855521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.859776] call_timer_fn+0x272/0x920 [ 448.863667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.867912] ? process_timeout+0x40/0x40 [ 448.871975] ? find_held_lock+0x36/0x1c0 [ 448.876047] ? mark_held_locks+0xc7/0x130 [ 448.880201] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.884699] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.889197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.893433] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 448.898023] ? trace_hardirqs_on+0xbd/0x310 [ 448.902350] ? kasan_check_read+0x11/0x20 [ 448.906503] ? __run_timers+0x7da/0xc70 [ 448.910481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.915942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.920180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.924419] __run_timers+0x7e5/0xc70 [ 448.928237] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 448.933608] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.938633] ? graph_lock+0x170/0x170 [ 448.942441] ? print_usage_bug+0xc0/0xc0 [ 448.946501] ? lock_release+0x970/0x970 [ 448.950476] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.955677] ? find_held_lock+0x36/0x1c0 [ 448.959749] ? graph_lock+0x170/0x170 [ 448.963555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.969095] ? check_preemption_disabled+0x48/0x200 [ 448.974125] ? __lock_is_held+0xb5/0x140 [ 448.978188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.983725] ? check_preemption_disabled+0x48/0x200 [ 448.988754] run_timer_softirq+0x52/0xb0 [ 448.992820] ? rcu_read_lock_sched_held+0x108/0x120 [ 448.997859] __do_softirq+0x30b/0xad8 [ 449.001673] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 449.006784] ? pvclock_read_flags+0x160/0x160 [ 449.011278] ? lapic_next_event+0x5a/0x90 [ 449.015427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.020968] ? check_preemption_disabled+0x48/0x200 [ 449.025990] ? check_preemption_disabled+0x48/0x200 [ 449.031015] ? kvm_clock_read+0x18/0x30 [ 449.034993] ? kvm_sched_clock_read+0x9/0x20 [ 449.039408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.044947] ? check_preemption_disabled+0x48/0x200 [ 449.049981] irq_exit+0x17f/0x1c0 [ 449.053437] smp_apic_timer_interrupt+0x1cb/0x760 [ 449.058282] ? smp_reschedule_interrupt+0x109/0x650 [ 449.063302] ? smp_call_function_single_interrupt+0x650/0x650 [ 449.069190] ? interrupt_entry+0xb5/0xf0 [ 449.073255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.078274] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.083293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.088136] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.093153] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.098172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.103710] ? check_preemption_disabled+0x48/0x200 [ 449.108728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.114275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.119127] apic_timer_interrupt+0xf/0x20 [ 449.123355] [ 449.125597] RIP: 0010:console_unlock+0xfdf/0x1160 [ 449.130446] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 6b 6b 5c 00 [ 449.149343] RSP: 0000:ffff8801bf80c6c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 449.157053] RAX: ffff8801c030e1c0 RBX: 0000000000000200 RCX: 1ffff10038061d51 [ 449.164317] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 449.171587] RBP: ffff8801bf80c830 R08: ffff8801c030ea88 R09: 0000000000000006 [ 449.178858] R10: 0000000000000000 R11: ffff8801c030e1c0 R12: dffffc0000000000 [ 449.186125] R13: ffffffff8486f9a0 R14: dffffc0000000000 R15: ffffffff89941cd0 [ 449.193403] ? netconsole_netdev_event+0x280/0x280 [ 449.198346] ? console_unlock+0xfd6/0x1160 [ 449.202620] ? devkmsg_read+0xbb0/0xbb0 [ 449.206608] ? vprintk_emit+0x7f7/0x930 [ 449.210590] ? lock_release+0x970/0x970 [ 449.214565] ? trace_hardirqs_on+0x10/0x310 [ 449.218888] ? vprintk_default+0x28/0x30 [ 449.222956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.228409] ? kasan_check_write+0x14/0x20 [ 449.232647] ? do_raw_spin_lock+0xc1/0x200 [ 449.236893] vprintk_emit+0x33d/0x930 [ 449.240707] ? wake_up_klogd+0x180/0x180 [ 449.244787] ? find_held_lock+0x36/0x1c0 [ 449.248866] ? mark_held_locks+0xc7/0x130 [ 449.253029] vprintk_default+0x28/0x30 [ 449.256924] vprintk_func+0x7e/0x181 [ 449.260641] printk+0xa7/0xcf [ 449.263748] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 449.268509] ? kasan_check_write+0x14/0x20 [ 449.272749] ? do_raw_spin_lock+0xc1/0x200 [ 449.276997] show_free_areas.cold.120+0x1b8e/0x215d [ 449.282037] ? si_meminfo_node+0x260/0x260 [ 449.286275] ? __lock_acquire+0x7ec/0x4ec0 [ 449.290514] ? __lock_acquire+0x7ec/0x4ec0 [ 449.294753] ? __lock_acquire+0x7ec/0x4ec0 [ 449.298991] ? kasan_check_write+0x14/0x20 [ 449.303229] ? native_queued_spin_lock_slowpath+0x1de/0x1120 [ 449.309036] ? mark_held_locks+0x130/0x130 [ 449.313271] ? mark_held_locks+0x130/0x130 [ 449.317510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.323048] ? graph_lock+0x170/0x170 [ 449.326858] ? put_dec+0x3b/0xf0 [ 449.330259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.335809] ? number+0x972/0xca0 [ 449.339273] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 449.344307] ? find_held_lock+0x36/0x1c0 [ 449.348378] ? serial8250_console_write+0x8b3/0xb10 [ 449.353397] ? lock_downgrade+0x900/0x900 [ 449.357548] ? graph_lock+0x170/0x170 [ 449.361366] ? graph_lock+0x170/0x170 [ 449.365168] ? print_usage_bug+0xc0/0xc0 [ 449.369231] ? do_raw_spin_unlock+0xa7/0x2f0 [ 449.373639] ? trace_hardirqs_on+0x310/0x310 [ 449.378062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.383601] ? wq_watchdog_touch+0x9c/0xfe [ 449.387847] ? io_serial_in+0x11/0x90 [ 449.391673] ? find_held_lock+0x36/0x1c0 [ 449.395748] ? mark_held_locks+0xc7/0x130 [ 449.399909] ? console_unlock+0xfaa/0x1160 [ 449.404146] ? console_unlock+0xfaa/0x1160 [ 449.408384] ? lockdep_hardirqs_on+0x421/0x5c0 [ 449.412976] ? vprintk_emit+0x33d/0x930 [ 449.416955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.422412] ? kasan_check_write+0x14/0x20 [ 449.426653] ? do_raw_spin_lock+0xc1/0x200 [ 449.430903] ? netconsole_netdev_event+0x280/0x280 [ 449.435843] ? console_unlock+0x9ba/0x1160 [ 449.440120] ? devkmsg_read+0xbb0/0xbb0 [ 449.444101] ? lock_release+0x970/0x970 [ 449.448076] ? preempt_count_add+0x7d/0x160 [ 449.452400] ? wake_up_klogd+0x11a/0x180 [ 449.456462] ? console_device+0xc0/0xc0 [ 449.460454] ? vprintk_emit+0x268/0x930 [ 449.464438] ? wake_up_klogd+0x180/0x180 [ 449.468504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 449.473262] ? trace_hardirqs_off+0x310/0x310 [ 449.477763] ? retint_kernel+0x1b/0x2d [ 449.481655] ? trace_hardirqs_on+0x310/0x310 [ 449.486075] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 449.490847] ? retint_kernel+0x2d/0x2d [ 449.494751] ? arch_local_irq_restore+0x45/0x52 [ 449.499424] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 449.504444] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 449.509210] ? show_mem+0x1e/0x17b [ 449.512752] show_mem+0x34/0x17b [ 449.516127] dump_header+0x2f1/0xf72 [ 449.519858] ? pagefault_out_of_memory+0x197/0x197 [ 449.524799] ? __lock_acquire+0x7ec/0x4ec0 [ 449.529050] ? print_usage_bug+0xc0/0xc0 [ 449.533116] ? graph_lock+0x170/0x170 [ 449.536922] ? print_usage_bug+0xc0/0xc0 [ 449.540982] ? print_usage_bug+0xc0/0xc0 [ 449.545053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.550599] ? find_held_lock+0x36/0x1c0 [ 449.554672] ? mark_held_locks+0xc7/0x130 [ 449.558825] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 449.563972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 449.569080] ? lockdep_hardirqs_on+0x421/0x5c0 [ 449.573667] ? trace_hardirqs_on+0xbd/0x310 [ 449.577988] ? kasan_check_read+0x11/0x20 [ 449.582137] ? ___ratelimit+0x36f/0x655 [ 449.586113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.591564] ? trace_hardirqs_on+0x310/0x310 [ 449.595977] ? lock_downgrade+0x900/0x900 [ 449.600132] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.605239] ? ___ratelimit+0xaa/0x655 [ 449.609127] ? idr_get_free+0xec0/0xec0 [ 449.613103] ? kasan_check_write+0x14/0x20 [ 449.617342] ? do_raw_spin_lock+0xc1/0x200 [ 449.621583] oom_kill_process.cold.27+0x10/0x903 [ 449.626344] ? graph_lock+0x170/0x170 [ 449.630157] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.635958] ? kasan_check_read+0x11/0x20 [ 449.640109] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 449.645388] ? oom_evaluate_task+0x540/0x540 [ 449.649812] ? find_held_lock+0x36/0x1c0 [ 449.653887] ? out_of_memory+0x974/0x1430 [ 449.658055] ? lock_downgrade+0x900/0x900 [ 449.662204] ? check_preemption_disabled+0x48/0x200 [ 449.667228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.673028] ? kasan_check_read+0x11/0x20 [ 449.677180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 449.682460] ? rcu_bh_qs+0xc0/0xc0 [ 449.686005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.691547] ? oom_evaluate_task+0x302/0x540 [ 449.695973] out_of_memory+0xa84/0x1430 [ 449.699961] ? oom_killer_disable+0x3a0/0x3a0 [ 449.704458] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 449.709392] ? __mutex_add_waiter+0x2a0/0x2a0 [ 449.713905] __alloc_pages_slowpath+0x2318/0x2d80 [ 449.718779] ? warn_alloc+0x120/0x120 [ 449.722585] ? trace_hardirqs_on+0x310/0x310 [ 449.727000] ? print_usage_bug+0xc0/0xc0 [ 449.731061] ? warn_alloc+0x120/0x120 [ 449.734869] ? print_usage_bug+0xc0/0xc0 [ 449.738939] ? print_usage_bug+0xc0/0xc0 [ 449.742999] ? free_one_page+0x1700/0x1700 [ 449.747239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.752777] ? should_fail+0x22d/0xd01 [ 449.756680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.761786] ? __lock_acquire+0x7ec/0x4ec0 [ 449.766049] ? __lock_is_held+0xb5/0x140 [ 449.770118] ? graph_lock+0x170/0x170 [ 449.773928] ? ___might_sleep+0x1ed/0x300 [ 449.778075] ? lock_release+0x970/0x970 [ 449.782054] ? arch_local_save_flags+0x40/0x40 [ 449.786650] ? __might_sleep+0x95/0x190 [ 449.790629] __alloc_pages_nodemask+0xa80/0xde0 [ 449.795300] ? graph_lock+0x170/0x170 [ 449.799109] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 449.804126] ? graph_lock+0x170/0x170 [ 449.807950] ? mark_held_locks+0xc7/0x130 [ 449.812095] ? find_held_lock+0x36/0x1c0 [ 449.816162] ? cache_grow_begin+0x5a4/0x8c0 [ 449.820484] ? lockdep_hardirqs_on+0x421/0x5c0 [ 449.825069] ? trace_hardirqs_on+0xbd/0x310 [ 449.829393] ? fallback_alloc+0x203/0x2e0 [ 449.833547] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.839007] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 449.844553] cache_grow_begin+0x91/0x8c0 [ 449.848621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 449.853061] fallback_alloc+0x203/0x2e0 [ 449.857043] ____cache_alloc_node+0x1c7/0x1e0 [ 449.861548] kmem_cache_alloc_node_trace+0xe7/0x740 [ 449.866579] __kmalloc_node_track_caller+0x33/0x70 [ 449.871515] __kmalloc_reserve.isra.39+0x41/0xe0 [ 449.876278] __alloc_skb+0x155/0x770 [ 449.879996] ? skb_scrub_packet+0x490/0x490 [ 449.884322] ? if_nlmsg_size+0x5d1/0xbb0 [ 449.888387] ? nla_put_ifalias+0x170/0x170 [ 449.892634] ? sk_psock_stop_strp+0x120/0x120 [ 449.897133] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 449.902147] ? netif_tx_stop_all_queues+0xd9/0x110 [ 449.907080] rtmsg_ifinfo_build_skb+0x74/0x190 [ 449.911669] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 449.916518] rtmsg_ifinfo+0x8c/0xa0 [ 449.920150] dev_close_many+0x3be/0x860 [ 449.924134] ? netdev_master_upper_dev_link+0x50/0x50 [ 449.929329] ? find_held_lock+0x36/0x1c0 [ 449.933397] ? __queue_work+0x6be/0x1440 [ 449.937459] ? lock_downgrade+0x900/0x900 [ 449.941615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.947151] ? rtnl_is_locked+0xb5/0xf0 [ 449.951563] ? rtnl_trylock+0x20/0x20 [ 449.955371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 449.959786] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 449.964379] rollback_registered_many+0x543/0x1210 [ 449.969318] ? generic_xdp_install+0x4c0/0x4c0 [ 449.973917] ? max_active_store+0x170/0x170 [ 449.978239] ? graph_lock+0x170/0x170 [ 449.982042] ? print_usage_bug+0xc0/0xc0 [ 449.986104] ? print_usage_bug+0xc0/0xc0 [ 449.990171] ? __debug_object_init+0x57d/0x1290 [ 449.994863] ? graph_lock+0x170/0x170 [ 449.998671] ? print_usage_bug+0xc0/0xc0 [ 450.002734] ? find_held_lock+0x36/0x1c0 [ 450.006805] ? mark_held_locks+0xc7/0x130 [ 450.010972] rollback_registered+0x1e9/0x420 [ 450.015379] ? lockdep_hardirqs_on+0x3b1/0x5c0 [ 450.019963] ? rollback_registered_many+0x1210/0x1210 [ 450.025156] ? trace_hardirqs_on+0xbd/0x310 [ 450.029485] ? linkwatch_schedule_work+0x150/0x170 [ 450.034419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.039877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.045422] ? rtnl_is_locked+0xb5/0xf0 [ 450.049402] ? rtnl_trylock+0x20/0x20 [ 450.053206] ? queue_delayed_work_on+0x130/0x1f0 [ 450.057966] unregister_netdevice_queue+0x321/0x5e0 [ 450.062984] ? rollback_registered+0x420/0x420 [ 450.068235] ? linkwatch_schedule_work+0x170/0x170 [ 450.073170] ? tun_show_owner+0x170/0x170 [ 450.077327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.083230] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 450.088597] ? __tun_detach+0x6ba/0x15c0 [ 450.092666] __tun_detach+0x11b8/0x15c0 [ 450.096642] ? __call_rcu.constprop.69+0x429/0xbc0 [ 450.101582] ? tun_attach+0x1900/0x1900 [ 450.105562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.111103] ? check_preemption_disabled+0x48/0x200 [ 450.116130] ? graph_lock+0x170/0x170 [ 450.119939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.125475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.131016] ? locks_remove_file+0x3c6/0x5c0 [ 450.135427] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 450.140969] ? ima_file_free+0x132/0x650 [ 450.145040] ? __lock_is_held+0xb5/0x140 [ 450.149112] ? __tun_detach+0x15c0/0x15c0 [ 450.153271] ? __tun_detach+0x15c0/0x15c0 [ 450.157416] tun_chr_close+0xe3/0x180 [ 450.161227] __fput+0x385/0xa30 [ 450.164514] ? get_max_files+0x20/0x20 [ 450.168413] ? ___might_sleep+0x1ed/0x300 [ 450.172567] ? arch_local_save_flags+0x40/0x40 [ 450.177160] ____fput+0x15/0x20 [ 450.180445] task_work_run+0x1e8/0x2a0 [ 450.184340] ? task_work_cancel+0x240/0x240 [ 450.188670] ? switch_task_namespaces+0xb8/0xd0 [ 450.193350] do_exit+0x1ad7/0x2610 [ 450.196905] ? mm_update_next_owner+0x990/0x990 [ 450.201576] ? print_usage_bug+0xc0/0xc0 [ 450.205635] ? perf_trace_lock+0x14d/0x7a0 [ 450.209877] ? __lock_acquire+0x7ec/0x4ec0 [ 450.214119] ? find_held_lock+0x36/0x1c0 [ 450.218192] ? __lock_acquire+0x7ec/0x4ec0 [ 450.222429] ? mark_held_locks+0x130/0x130 [ 450.226670] ? lock_acquire+0x1ed/0x520 [ 450.230655] ? mark_held_locks+0x130/0x130 [ 450.234890] ? arch_local_save_flags+0x40/0x40 [ 450.239480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.245041] ? __mutex_lock+0x85e/0x1700 [ 450.249104] ? __switch_to_asm+0x40/0x70 [ 450.253166] ? __switch_to_asm+0x34/0x70 [ 450.257232] ? pipe_wait+0x266/0x2c0 [ 450.260958] ? mutex_trylock+0x2b0/0x2b0 [ 450.265035] ? graph_lock+0x170/0x170 [ 450.268847] ? find_held_lock+0x36/0x1c0 [ 450.272919] ? memset+0x31/0x40 [ 450.276212] ? find_held_lock+0x36/0x1c0 [ 450.280283] ? get_signal+0x95b/0x1980 [ 450.284176] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.288676] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.293180] do_group_exit+0x177/0x440 [ 450.297075] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.302532] ? __ia32_sys_exit+0x50/0x50 [ 450.306607] get_signal+0x8b0/0x1980 [ 450.310334] ? ptrace_notify+0x130/0x130 [ 450.314399] ? finish_wait+0x430/0x430 [ 450.318294] ? graph_lock+0x170/0x170 [ 450.322106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.327645] ? pipe_read+0x702/0x940 [ 450.331364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.336918] do_signal+0x9c/0x21e0 [ 450.340460] ? __vfs_read+0x11f/0x9b0 [ 450.344272] ? vfs_copy_file_range+0xb90/0xb90 [ 450.348863] ? setup_sigcontext+0x7d0/0x7d0 [ 450.353215] ? exit_to_usermode_loop+0x8c/0x380 [ 450.357913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.363457] exit_to_usermode_loop+0x2e5/0x380 [ 450.368048] ? syscall_slow_exit_work+0x520/0x520 [ 450.372913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.378462] do_syscall_64+0x6be/0x820 [ 450.382351] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.387719] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.392646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.397508] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.402531] ? prepare_exit_to_usermode+0x291/0x3b0 [ 450.407584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.412437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.417622] RIP: 0033:0x410fa0 [ 450.420815] Code: Bad RIP value. [ 450.424183] RSP: 002b:00007ffcf46e7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 450.431890] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 450.439160] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 450.446425] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 450.453695] R10: 00007ffcf46e7710 R11: 0000000000000246 R12: 0000000000000022 [ 450.460962] R13: 000000000003d246 R14: 0000000000000179 R15: 0000000000000001 [ 450.468256] warn_alloc_show_mem: 1 callbacks suppressed [ 450.468268] CPU: 1 PID: 16953 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #126 [ 450.468270] Mem-Info: [ 450.468302] active_anon:45698 inactive_anon:2784 isolated_anon:0 [ 450.468302] active_file:8 inactive_file:19 isolated_file:0 [ 450.468302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 450.468302] slab_reclaimable:9307 slab_unreclaimable:1485399 [ 450.468302] mapped:16407 shmem:2862 pagetables:461 bounce:0 [ 450.468302] free:13766 free_pcp:526 free_cma:0 [ 450.473638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.473646] Call Trace: [ 450.481012] Node 0 active_anon:182792kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65628kB dirty:0kB writeback:0kB shmem:11448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 450.483409] [ 450.516360] Node 0 [ 450.525713] dump_stack+0x1c4/0x2b4 [ 450.528289] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 450.556028] ? dump_stack_print_info.cold.2+0x52/0x52 [ 450.558146] lowmem_reserve[]: [ 450.560390] warn_alloc.cold.119+0xb7/0x1bd [ 450.563986] 0 [ 450.589481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.594642] 2819 [ 450.597745] ? lock_downgrade+0x900/0x900 [ 450.602037] 6323 [ 450.603845] ? trace_hardirqs_off+0xb8/0x310 [ 450.608655] 6323 [ 450.610712] ? trace_hardirqs_off+0xb8/0x310 [ 450.616899] __alloc_pages_slowpath+0x2667/0x2d80 [ 450.621281] Node 0 [ 450.623361] ? warn_alloc+0x120/0x120 [ 450.627744] DMA32 free:25180kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 450.632554] ? trace_hardirqs_on+0x310/0x310 [ 450.634767] lowmem_reserve[]: [ 450.638562] ? warn_alloc+0x120/0x120 [ 450.665689] 0 0 [ 450.670109] ? print_usage_bug+0xc0/0xc0 [ 450.673187] 3503 [ 450.676982] ? warn_alloc+0x120/0x120 [ 450.678930] 3503 [ 450.682994] ? ktime_get+0x2e1/0x440 [ 450.685030] Node 0 [ 450.688824] ? print_usage_bug+0xc0/0xc0 [ 450.690897] Normal free:13976kB min:37352kB low:46688kB high:56024kB active_anon:180744kB inactive_anon:11136kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1844kB bounce:0kB free_pcp:1856kB local_pcp:372kB free_cma:0kB [ 450.694575] ? __lock_acquire+0x7ec/0x4ec0 [ 450.696790] lowmem_reserve[]: [ 450.700855] ? __lock_acquire+0x7ec/0x4ec0 [ 450.729373] 0 0 [ 450.733631] ? kasan_check_read+0x11/0x20 [ 450.736701] 0 0 [ 450.740944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.747039] ? should_fail+0x22d/0xd01 [ 450.748988] Node 0 [ 450.754524] ? rcu_bh_qs+0xc0/0xc0 [ 450.758386] DMA: [ 450.760627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.764140] 1*4kB [ 450.766201] ? __lock_acquire+0x7ec/0x4ec0 [ 450.771278] (U) [ 450.773528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.777731] 0*8kB 0*16kB [ 450.779711] ? __lock_acquire+0x7ec/0x4ec0 [ 450.784790] 1*32kB [ 450.787540] ? should_fail+0x22d/0xd01 [ 450.791751] (U) [ 450.793987] ? rcu_idle_enter+0x4b0/0x4b0 [ 450.797853] 2*64kB [ 450.799838] ? mark_held_locks+0x130/0x130 [ 450.803959] (U) [ 450.806194] ? mark_held_locks+0x130/0x130 [ 450.810401] 1*128kB (U) [ 450.812386] ? mark_held_locks+0xc7/0x130 [ 450.816590] 1*256kB (U) [ 450.819264] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 450.823398] 0*512kB [ 450.826065] ? graph_lock+0x170/0x170 [ 450.831058] 1*1024kB [ 450.833375] ? print_usage_bug+0xc0/0xc0 [ 450.837150] (U) [ 450.839561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.843590] 1*2048kB (M) [ 450.845570] ? check_preemption_disabled+0x48/0x200 [ 450.851077] 3*4096kB [ 450.853840] ? check_preemption_disabled+0x48/0x200 [ 450.858826] (M) [ 450.861247] ? __lock_is_held+0xb5/0x140 [ 450.866230] = 15908kB [ 450.868200] __alloc_pages_nodemask+0xa80/0xde0 [ 450.872231] Node 0 [ 450.874637] ? graph_lock+0x170/0x170 [ 450.879280] DMA32: [ 450.881514] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 450.885292] 3*4kB [ 450.887526] ? graph_lock+0x170/0x170 [ 450.892518] (M) [ 450.894673] ? find_held_lock+0x36/0x1c0 [ 450.898444] 2*8kB [ 450.900440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.904467] (UM) [ 450.906608] ? lock_downgrade+0x900/0x900 [ 450.911251] 2*16kB [ 450.913312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.917426] (M) [ 450.919663] cache_grow_begin+0x91/0x8c0 [ 450.925170] 3*32kB (UM) [ 450.927149] ? do_raw_spin_unlock+0xa7/0x2f0 [ 450.931180] 5*64kB [ 450.933857] fallback_alloc+0x203/0x2e0 [ 450.938229] (UM) 3*128kB [ 450.940474] ____cache_alloc_node+0x1c7/0x1e0 [ 450.944416] (M) [ 450.947172] kmem_cache_alloc_node+0xe3/0x730 [ 450.952054] 3*256kB (M) [ 450.954034] ? ipv6_get_ifaddr+0x42e/0x620 [ 450.958501] 4*512kB (UM) [ 450.961184] __alloc_skb+0x119/0x770 [ 450.965385] 3*1024kB [ 450.968141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 450.971821] (UM) [ 450.974231] ? skb_scrub_packet+0x490/0x490 [ 450.979474] 3*2048kB (UM) [ 450.981538] ? lock_downgrade+0x900/0x900 [ 450.985842] 3*4096kB [ 450.988688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.992802] (M) [ 450.995206] ? refcount_sub_and_test_checked+0x203/0x310 [ 451.000713] = 25180kB [ 451.002682] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 451.008106] Node 0 [ 451.010509] ? addrconf_rs_timer+0x690/0x690 [ 451.015943] Normal: [ 451.018192] ndisc_alloc_skb+0x144/0x340 [ 451.022568] 960*4kB [ 451.024884] ndisc_send_rs+0x331/0x6e0 [ 451.028922] (MEH) [ 451.031245] addrconf_rs_timer+0x314/0x690 [ 451.035107] 471*8kB [ 451.037251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.041459] (UME) [ 451.043784] call_timer_fn+0x272/0x920 [ 451.047987] 178*16kB [ 451.050127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.053986] (ME) [ 451.056395] ? process_timeout+0x40/0x40 [ 451.060606] 44*32kB [ 451.062675] ? find_held_lock+0x36/0x1c0 [ 451.066722] (UME) 1*64kB [ 451.069060] ? __run_timers+0x7da/0xc70 [ 451.073088] (U) [ 451.075855] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.079802] 0*128kB [ 451.081776] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.086244] 0*256kB [ 451.088558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.088575] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 451.093050] 2*512kB [ 451.095366] ? trace_hardirqs_on+0xbd/0x310 [ 451.099574] (U) [ 451.104149] ? kasan_check_read+0x11/0x20 [ 451.106444] 1*1024kB [ 451.110762] ? __run_timers+0x7da/0xc70 [ 451.112706] (U) 0*2048kB [ 451.116866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.119251] 0*4096kB [ 451.123216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.125947] = 13976kB [ 451.131391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.133785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 451.138009] __run_timers+0x7e5/0xc70 [ 451.140399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 451.144638] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 451.153456] 2889 total pagecache pages [ 451.157265] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 451.165818] 0 pages in swap cache [ 451.171176] ? rcu_bh_qs+0xc0/0xc0 [ 451.175039] Swap cache stats: add 0, delete 0, find 0/0 [ 451.180307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.183735] Free swap = 0kB [ 451.187271] ? check_preemption_disabled+0x48/0x200 [ 451.192604] Total swap = 0kB [ 451.198147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 451.201133] 1965979 pages RAM [ 451.206146] ? retint_kernel+0x2d/0x2d [ 451.209131] 0 pages HighMem/MovableOnly [ 451.209140] 342306 pages reserved [ 451.213893] ? trace_hardirqs_on_caller+0xc0/0x310 [ 451.216977] 0 pages cma reserved [ 451.220867] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 451.224909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 451.228263] ? trace_hardirqs_off+0x310/0x310 [ 451.228279] ? check_preemption_disabled+0x48/0x200 [ 451.228294] ? graph_lock+0x170/0x170 [ 451.228312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.233345] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 451.236580] ? check_preemption_disabled+0x48/0x200 [ 451.241312] syz-executor1 cpuset= [ 451.247803] ? __lock_is_held+0xb5/0x140 [ 451.252265] syz1 [ 451.257274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.261052] mems_allowed=0 [ 451.266583] ? check_preemption_disabled+0x48/0x200 [ 451.304948] run_timer_softirq+0x52/0xb0 [ 451.309031] ? rcu_read_lock_sched_held+0x108/0x120 [ 451.314051] __do_softirq+0x30b/0xad8 [ 451.317869] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 451.322984] ? pvclock_read_flags+0x160/0x160 [ 451.327478] ? lapic_next_event+0x5a/0x90 [ 451.331628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.337166] ? check_preemption_disabled+0x48/0x200 [ 451.342186] ? check_preemption_disabled+0x48/0x200 [ 451.347212] ? kvm_clock_read+0x18/0x30 [ 451.351188] ? kvm_sched_clock_read+0x9/0x20 [ 451.355601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.361140] ? check_preemption_disabled+0x48/0x200 [ 451.366174] irq_exit+0x17f/0x1c0 [ 451.369629] smp_apic_timer_interrupt+0x1cb/0x760 [ 451.374474] ? smp_reschedule_interrupt+0x109/0x650 [ 451.379490] ? smp_call_function_single_interrupt+0x650/0x650 [ 451.385377] ? interrupt_entry+0xb5/0xf0 [ 451.389446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.394461] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.399512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.404356] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.409372] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.414396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.419940] ? check_preemption_disabled+0x48/0x200 [ 451.424957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.430535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.435387] apic_timer_interrupt+0xf/0x20 [ 451.439625] [ 451.441871] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 451.446802] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 [ 451.465708] RSP: 0000:ffff8801b974f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 451.473434] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 451.480701] RDX: 0000000000000000 RSI: ffff880199c38d80 RDI: 0000000000000286 [ 451.487970] RBP: ffff8801b974f7b0 R08: ffff880199c38500 R09: 0000000000000000 [ 451.495235] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 451.502500] R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020 [ 451.509814] skb_clone+0x1bb/0x500 [ 451.513363] ? finish_task_switch+0x2f5/0x900 [ 451.517866] ? skb_split+0x11e0/0x11e0 [ 451.521762] ? preempt_notifier_register+0x200/0x200 [ 451.526868] ? __switch_to_asm+0x34/0x70 [ 451.530935] ? __switch_to_asm+0x34/0x70 [ 451.534998] ? __switch_to_asm+0x40/0x70 [ 451.539058] ? __switch_to_asm+0x34/0x70 [ 451.543128] ? __switch_to_asm+0x40/0x70 [ 451.547192] ? __switch_to_asm+0x34/0x70 [ 451.551255] ? __switch_to_asm+0x40/0x70 [ 451.555318] ? __switch_to_asm+0x34/0x70 [ 451.559382] ? __switch_to_asm+0x34/0x70 [ 451.563447] ? __switch_to_asm+0x40/0x70 [ 451.567507] ? __switch_to_asm+0x34/0x70 [ 451.571577] bpf_clone_redirect+0xb9/0x490 [ 451.575817] ? __schedule+0x874/0x1ed0 [ 451.579719] bpf_prog_bebbfe2050753572+0x7b0/0x1000 [ 451.584741] ? __sched_text_start+0x8/0x8 [ 451.588895] ? retint_kernel+0x2d/0x2d [ 451.592793] ? find_held_lock+0x36/0x1c0 [ 451.596867] ? lock_acquire+0x1ed/0x520