atelimit+0xaa/0x655 [ 216.138464] ? idr_get_free+0xec0/0xec0 [ 216.142440] ? kasan_check_write+0x14/0x20 [ 216.146675] ? do_raw_spin_lock+0xc1/0x200 [ 216.150917] oom_kill_process.cold.27+0x10/0x903 [ 216.155673] ? graph_lock+0x170/0x170 [ 216.159474] ? _raw_spin_unlock+0x2c/0x50 [ 216.163621] ? oom_badness+0xe6/0xaa0 [ 216.167431] ? oom_evaluate_task+0x540/0x540 [ 216.171850] ? find_held_lock+0x36/0x1c0 [ 216.175922] ? out_of_memory+0x974/0x14c0 [ 216.180069] ? lock_downgrade+0x900/0x900 [ 216.184218] ? check_preemption_disabled+0x48/0x200 [ 216.189244] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 216.195043] ? kasan_check_read+0x11/0x20 [ 216.199193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.204471] ? rcu_bh_qs+0xc0/0xc0 [ 216.208020] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 216.213034] ? oom_evaluate_task+0x302/0x540 [ 216.217445] out_of_memory+0xa86/0x14c0 [ 216.221429] ? oom_killer_disable+0x3a0/0x3a0 [ 216.225929] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 216.230867] ? __mutex_add_waiter+0x2a0/0x2a0 [ 216.235383] __alloc_pages_slowpath+0x2318/0x2d80 [ 216.240264] ? warn_alloc+0x120/0x120 [ 216.244080] ? find_get_entry+0x2f2/0xc40 [ 216.248238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.253788] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 216.258719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.264258] ? should_fail+0x22d/0xd01 [ 216.268155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.273259] ? __lock_is_held+0xb5/0x140 [ 216.277359] ? __lock_is_held+0xb5/0x140 [ 216.281437] ? find_held_lock+0x36/0x1c0 [ 216.285502] ? ___might_sleep+0x1ed/0x300 [ 216.289666] ? lock_release+0x970/0x970 [ 216.293641] ? arch_local_save_flags+0x40/0x40 [ 216.298237] ? __might_sleep+0x95/0x190 [ 216.302224] __alloc_pages_nodemask+0xa80/0xde0 [ 216.306908] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.311931] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 216.318059] ? kasan_check_read+0x11/0x20 [ 216.322242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.327522] ? graph_lock+0x170/0x170 [ 216.331329] ? print_usage_bug+0xc0/0xc0 [ 216.335405] ? graph_lock+0x170/0x170 [ 216.339205] ? graph_lock+0x170/0x170 [ 216.343005] ? __do_page_cache_readahead+0x7ce/0x980 [ 216.348118] ? find_held_lock+0x36/0x1c0 [ 216.352183] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 216.357726] alloc_pages_current+0x10c/0x210 [ 216.362135] ? lock_downgrade+0x900/0x900 [ 216.366287] __page_cache_alloc+0x38f/0x5b0 [ 216.370612] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 216.376412] ? kasan_check_read+0x11/0x20 [ 216.380564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.385853] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 216.390527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.396068] ? check_preemption_disabled+0x48/0x200 [ 216.401095] filemap_fault+0x1594/0x25f0 [ 216.405173] ? __lock_page_or_retry+0xa00/0xa00 [ 216.409842] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 216.415647] ? kasan_check_read+0x11/0x20 [ 216.419801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.425079] ? rcu_bh_qs+0xc0/0xc0 [ 216.428634] ? filemap_map_pages+0xdea/0x1980 [ 216.433152] ? find_get_pages_range_tag+0x1320/0x1320 [ 216.438356] ? do_raw_spin_lock+0xc1/0x200 [ 216.442593] ? graph_lock+0x170/0x170 [ 216.446923] ? futex_wait_setup+0x266/0x3e0 [ 216.451268] ? lock_acquire+0x1ed/0x520 [ 216.455249] ? ext4_filemap_fault+0x7a/0xad [ 216.459581] ? lock_release+0x970/0x970 [ 216.463560] ? arch_local_save_flags+0x40/0x40 [ 216.468148] ? futex_wait_setup+0x3e0/0x3e0 [ 216.472468] ? print_usage_bug+0xc0/0xc0 [ 216.476543] ? down_read+0xb0/0x1d0 [ 216.480171] ? ext4_filemap_fault+0x7a/0xad [ 216.484496] ? __down_interruptible+0x700/0x700 [ 216.489178] ? find_held_lock+0x36/0x1c0 [ 216.493244] ext4_filemap_fault+0x82/0xad [ 216.497398] __do_fault+0x100/0x6b0 [ 216.501027] ? lock_downgrade+0x900/0x900 [ 216.505176] ? print_bad_pte+0x6c0/0x6c0 [ 216.509241] ? do_futex+0x249/0x26d0 [ 216.512963] ? kasan_check_read+0x11/0x20 [ 216.517112] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.521520] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 216.526109] ? add_mm_counter_fast+0xd0/0xd0 [ 216.530533] __handle_mm_fault+0x3709/0x53e0 [ 216.534954] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 216.539796] ? __fpu__restore_sig+0x62f/0x1680 [ 216.544383] ? graph_lock+0x170/0x170 [ 216.548184] ? print_usage_bug+0xc0/0xc0 [ 216.552247] ? graph_lock+0x170/0x170 [ 216.556047] ? graph_lock+0x170/0x170 [ 216.559851] ? graph_lock+0x170/0x170 [ 216.563673] ? handle_mm_fault+0x42a/0xc70 [ 216.567907] ? lock_downgrade+0x900/0x900 [ 216.572058] ? check_preemption_disabled+0x48/0x200 [ 216.577084] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 216.582883] ? kasan_check_read+0x11/0x20 [ 216.587033] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.592309] ? rcu_bh_qs+0xc0/0xc0 [ 216.595864] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.601316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.606868] ? check_preemption_disabled+0x48/0x200 [ 216.611892] handle_mm_fault+0x54f/0xc70 [ 216.615960] ? __handle_mm_fault+0x53e0/0x53e0 [ 216.620547] ? find_vma+0x34/0x190 [ 216.624098] __do_page_fault+0x67d/0xed0 [ 216.628168] ? mm_fault_error+0x380/0x380 [ 216.632315] ? trace_hardirqs_off+0xb8/0x300 [ 216.636733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.642099] ? trace_hardirqs_on+0x310/0x310 [ 216.646511] do_page_fault+0xf2/0x7e0 [ 216.650317] ? vmalloc_sync_all+0x30/0x30 [ 216.654475] ? error_entry+0x70/0xd0 [ 216.658191] ? trace_hardirqs_off_caller+0xbb/0x300 [ 216.663206] ? trace_hardirqs_on_caller+0xc0/0x300 [ 216.668138] ? syscall_return_slowpath+0x5e0/0x5e0 [ 216.673068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.677910] ? trace_hardirqs_off+0x300/0x300 [ 216.682405] ? trace_hardirqs_off_caller+0x300/0x300 [ 216.687514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.693053] ? prepare_exit_to_usermode+0x291/0x3b0 [ 216.698069] ? page_fault+0x8/0x30 [ 216.701615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.706466] ? page_fault+0x8/0x30 [ 216.710014] page_fault+0x1e/0x30 [ 216.713471] RIP: 0033:0x407e06 [ 216.716664] Code: Bad RIP value. [ 216.720027] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 216.725394] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 216.732658] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 216.739925] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 216.747195] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 216.754462] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 216.761760] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 216.761766] warn_alloc_show_mem: 1 callbacks suppressed [ 216.761773] Mem-Info: [ 216.768962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.774327] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 216.774327] active_file:16 inactive_file:17 isolated_file:1 [ 216.774327] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.774327] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 216.774327] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 216.774327] free:13718 free_pcp:223 free_cma:0 [ 216.776698] Call Trace: [ 216.786082] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 216.818930] [ 216.821501] Node 0 [ 216.849168] dump_stack+0x1c4/0x2b4 [ 216.851315] 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 [ 216.853520] ? dump_stack_print_info.cold.2+0x52/0x52 [ 216.857118] lowmem_reserve[]: [ 216.882623] warn_alloc.cold.118+0xb7/0x1bd [ 216.887772] 0 2817 [ 216.890881] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.895167] 6321 6321 [ 216.897410] ? lock_downgrade+0x900/0x900 [ 216.904720] ? trace_hardirqs_off+0xb8/0x300 [ 216.908839] Node 0 DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 216.913267] ? trace_hardirqs_off+0xb8/0x300 [ 216.913290] __alloc_pages_slowpath+0x2667/0x2d80 [ 216.940577] lowmem_reserve[]: 0 [ 216.945018] ? warn_alloc+0x120/0x120 [ 216.949809] 0 [ 216.953084] ? warn_alloc+0x120/0x120 [ 216.956854] 3503 [ 216.958650] ? print_usage_bug+0xc0/0xc0 [ 216.962426] 3503 [ 216.964483] ? warn_alloc+0x120/0x120 [ 216.968517] Node 0 [ 216.970573] ? print_usage_bug+0xc0/0xc0 [ 216.974382] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 216.976590] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 216.980616] lowmem_reserve[]: 0 [ 217.008991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.014141] 0 0 [ 217.017425] ? should_fail+0x22d/0xd01 [ 217.022928] 0 [ 217.024905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.028762] Node 0 [ 217.030556] ? __lock_acquire+0x7ec/0x4ec0 [ 217.035635] DMA: [ 217.037864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.037880] ? __lock_acquire+0x7ec/0x4ec0 [ 217.042092] 1*4kB [ 217.044148] ? should_fail+0x22d/0xd01 [ 217.049222] (U) [ 217.053456] ? mark_held_locks+0x130/0x130 [ 217.055568] 0*8kB 0*16kB [ 217.059455] ? mark_held_locks+0x130/0x130 [ 217.061405] 1*32kB [ 217.065635] ? graph_lock+0x170/0x170 [ 217.068370] (U) [ 217.072599] ? graph_lock+0x170/0x170 [ 217.074811] 2*64kB [ 217.078605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.080554] (U) [ 217.084364] ? check_preemption_disabled+0x48/0x200 [ 217.086818] 1*128kB (U) [ 217.092373] ? check_preemption_disabled+0x48/0x200 [ 217.094319] 1*256kB (U) [ 217.099375] ? __lock_is_held+0xb5/0x140 [ 217.102012] 0*512kB 1*1024kB [ 217.107036] __alloc_pages_nodemask+0xa80/0xde0 [ 217.109676] (U) [ 217.113731] ? graph_lock+0x170/0x170 [ 217.116805] 1*2048kB (M) [ 217.121482] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 217.123445] 3*4096kB [ 217.127264] ? graph_lock+0x170/0x170 [ 217.129982] (M) [ 217.134999] ? find_held_lock+0x36/0x1c0 [ 217.137379] = 15908kB [ 217.141178] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.143124] Node 0 [ 217.147180] ? lock_downgrade+0x900/0x900 [ 217.149566] DMA32: [ 217.154231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.156453] 2*4kB [ 217.160603] cache_grow_begin+0x91/0x8c0 [ 217.162904] (M) [ 217.168438] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.170556] 0*8kB 3*16kB [ 217.174623] fallback_alloc+0x203/0x2e0 [ 217.176562] (M) 1*32kB [ 217.181003] ____cache_alloc_node+0x1c7/0x1e0 [ 217.183732] (M) [ 217.187699] __kmalloc+0x208/0x760 [ 217.190249] 2*64kB (M) [ 217.194755] ? __neigh_create+0x30b/0x2130 [ 217.196708] 4*128kB [ 217.200242] __neigh_create+0x30b/0x2130 [ 217.202803] (UM) [ 217.207032] ? trace_hardirqs_on+0xbd/0x310 [ 217.209331] 3*256kB [ 217.213398] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 217.215437] (UM) [ 217.219753] ? ip6t_do_table+0xd9e/0x1d30 [ 217.222055] 4*512kB [ 217.227591] ? mark_held_locks+0x130/0x130 [ 217.229623] (UM) [ 217.233764] ? __local_bh_enable_ip+0x160/0x260 [ 217.236054] 3*1024kB (M) [ 217.240292] ? neigh_hash_alloc+0x1e0/0x1e0 [ 217.242322] 3*2048kB (UM) [ 217.247003] ? graph_lock+0x170/0x170 [ 217.249729] 3*4096kB (M) [ 217.254054] ? ip6t_do_table+0xd9e/0x1d30 [ 217.256870] = 25048kB [ 217.260665] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.263396] Node 0 [ 217.267538] ? trace_hardirqs_on+0xbd/0x310 [ 217.269928] Normal: [ 217.275379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.277593] 865*4kB [ 217.281908] ? ip6t_do_table+0xd6a/0x1d30 [ 217.284205] (UMEH) [ 217.289738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.292027] 401*8kB (UMEH) [ 217.296178] ? check_preemption_disabled+0x48/0x200 [ 217.298384] 165*16kB (UMEH) [ 217.303924] ? check_preemption_disabled+0x48/0x200 [ 217.306828] 83*32kB [ 217.311839] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 217.314825] (UMEH) 31*64kB [ 217.319843] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.322156] (UMH) [ 217.327689] ? rcu_pm_notify+0xc0/0xc0 [ 217.330593] 0*128kB 0*256kB [ 217.335871] ? graph_lock+0x170/0x170 [ 217.337991] 0*512kB 0*1024kB [ 217.341878] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 217.344876] 0*2048kB [ 217.348676] ip6_finish_output2+0xa59/0x27a0 [ 217.351748] 0*4096kB = 13948kB [ 217.356947] ? ip6_copy_metadata+0xe30/0xe30 [ 217.359343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 217.363742] ? ip6_mtu+0x39c/0x520 [ 217.366917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 217.371315] ? lock_downgrade+0x900/0x900 [ 217.380124] 413 total pagecache pages [ 217.383662] ? check_preemption_disabled+0x48/0x200 [ 217.392217] 0 pages in swap cache [ 217.396364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 217.400137] Swap cache stats: add 0, delete 0, find 0/0 [ 217.405144] ? kasan_check_read+0x11/0x20 [ 217.408571] Free swap = 0kB [ 217.414375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.419714] Total swap = 0kB [ 217.423854] ? rcu_bh_qs+0xc0/0xc0 [ 217.426854] 1965979 pages RAM [ 217.432130] ? ip6_mtu+0x160/0x520 [ 217.435110] 0 pages HighMem/MovableOnly [ 217.435119] 342744 pages reserved [ 217.438651] ? dst_hold+0x2f0/0x2f0 [ 217.441735] 0 pages cma reserved [ 217.445267] ? kasan_check_read+0x11/0x20 [ 217.449275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 217.452662] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.456362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 217.459626] ? nf_nat_ipv6_out+0x212/0x550 [ 217.463744] syz-fuzzer cpuset= [ 217.470233] ip6_finish_output+0x5fe/0xbc0 [ 217.475483] / [ 217.485702] ? ip6_finish_output+0x5fe/0xbc0 [ 217.489916] mems_allowed=0 [ 217.493101] ip6_output+0x23e/0xa00 [ 217.509972] ? check_preemption_disabled+0x48/0x200 [ 217.514996] ? ip6_finish_output+0xbc0/0xbc0 [ 217.519445] ? ip6_fragment+0x38c0/0x38c0 [ 217.523596] ? __lock_is_held+0xb5/0x140 [ 217.527673] ndisc_send_skb+0x1005/0x1570 [ 217.531829] ? ndisc_constructor+0xc40/0xc40 [ 217.536243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.541779] ? refcount_sub_and_test_checked+0x203/0x310 [ 217.547239] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 217.552709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.558259] ndisc_send_rs+0x134/0x6e0 [ 217.562153] addrconf_rs_timer+0x3c0/0x6f0 [ 217.566394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.570646] call_timer_fn+0x272/0x920 [ 217.574533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.578770] ? process_timeout+0x40/0x40 [ 217.582833] ? find_held_lock+0x36/0x1c0 [ 217.586910] ? __run_timers+0x7da/0xc70 [ 217.590904] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.595398] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.599895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.604132] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 217.608716] ? trace_hardirqs_on+0xbd/0x310 [ 217.613044] ? kasan_check_read+0x11/0x20 [ 217.617197] ? __run_timers+0x7da/0xc70 [ 217.621178] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.626637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.630883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.635117] __run_timers+0x7e5/0xc70 [ 217.638953] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.644321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.649367] ? graph_lock+0x170/0x170 [ 217.653176] ? enqueue_hrtimer+0x1a5/0x560 [ 217.657409] ? lock_release+0x970/0x970 [ 217.661386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 217.666583] ? find_held_lock+0x36/0x1c0 [ 217.670654] ? graph_lock+0x170/0x170 [ 217.674457] ? pvclock_read_flags+0x160/0x160 [ 217.678952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.684493] ? check_preemption_disabled+0x48/0x200 [ 217.689521] ? __lock_is_held+0xb5/0x140 [ 217.693588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.699130] ? check_preemption_disabled+0x48/0x200 [ 217.704157] run_timer_softirq+0x52/0xb0 [ 217.708221] ? rcu_read_lock_sched_held+0x108/0x120 [ 217.713241] __do_softirq+0x30b/0xad8 [ 217.717052] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.722160] ? pvclock_read_flags+0x160/0x160 [ 217.726659] ? lapic_next_event+0x5a/0x90 [ 217.730809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.736363] ? check_preemption_disabled+0x48/0x200 [ 217.741383] ? check_preemption_disabled+0x48/0x200 [ 217.746406] ? kvm_clock_read+0x18/0x30 [ 217.750385] ? kvm_sched_clock_read+0x9/0x20 [ 217.754801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.760355] ? check_preemption_disabled+0x48/0x200 [ 217.765390] irq_exit+0x17f/0x1c0 [ 217.768846] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.773689] ? smp_reschedule_interrupt+0x109/0x650 [ 217.778710] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.784592] ? interrupt_entry+0xb5/0xf0 [ 217.788654] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.793672] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.798690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.803537] ? trace_hardirqs_off+0x300/0x300 [ 217.808033] ? trace_hardirqs_off+0x300/0x300 [ 217.812530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.818069] ? check_preemption_disabled+0x48/0x200 [ 217.823082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.828630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.833481] apic_timer_interrupt+0xf/0x20 [ 217.837713] [ 217.839956] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 217.844889] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 217.863826] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 217.871536] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 217.878806] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 217.886075] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 217.893357] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 217.900626] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 217.907938] skb_clone+0x1bb/0x500 [ 217.911480] ? finish_task_switch+0x1b5/0x900 [ 217.915980] ? skb_split+0x11e0/0x11e0 [ 217.919869] ? preempt_notifier_register+0x200/0x200 [ 217.924969] ? __switch_to_asm+0x34/0x70 [ 217.929033] ? __switch_to_asm+0x34/0x70 [ 217.933096] ? __switch_to_asm+0x40/0x70 [ 217.937153] ? __switch_to_asm+0x34/0x70 [ 217.941213] ? __switch_to_asm+0x40/0x70 [ 217.945276] ? __switch_to_asm+0x34/0x70 [ 217.949352] ? __switch_to_asm+0x40/0x70 [ 217.953434] ? __switch_to_asm+0x34/0x70 [ 217.957500] ? __switch_to_asm+0x34/0x70 [ 217.961561] ? __switch_to_asm+0x40/0x70 [ 217.965618] ? __switch_to_asm+0x34/0x70 [ 217.969688] bpf_clone_redirect+0xb9/0x490 [ 217.973925] ? __schedule+0x874/0x1ed0 [ 217.977822] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 217.982842] ? __sched_text_start+0x8/0x8 [ 217.986994] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.991765] ? find_held_lock+0x36/0x1c0 [ 217.995836] ? lock_acquire+0x1ed/0x520 [ 217.999809] ? bpf_test_run+0x32e/0x5a0 [ 218.003786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.009328] ? check_preemption_disabled+0x48/0x200 [ 218.014382] ? kasan_check_read+0x11/0x20 [ 218.018533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.023813] ? rcu_bh_qs+0xc0/0xc0 [ 218.027370] ? preempt_schedule+0x4d/0x60 [ 218.031520] ? ___preempt_schedule+0x16/0x18 [ 218.035939] ? bpf_test_run+0x1c0/0x5a0 [ 218.039927] ? netlink_diag_dump+0x2a0/0x2a0 [ 218.044355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.049895] ? bpf_test_init.isra.9+0x70/0x100 [ 218.054483] ? bpf_prog_test_run_skb+0x634/0xb40 [ 218.059246] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 218.064089] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 218.069623] ? fput+0x130/0x1a0 [ 218.072907] ? __bpf_prog_get+0x9b/0x290 [ 218.076974] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 218.081813] ? bpf_prog_test_run+0x130/0x1a0 [ 218.086230] ? __x64_sys_bpf+0x3d8/0x510 [ 218.090290] ? bpf_prog_get+0x20/0x20 [ 218.094101] ? ksys_ioctl+0x81/0xd0 [ 218.097738] ? do_syscall_64+0x1b9/0x820 [ 218.101803] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 218.107172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.112103] ? trace_hardirqs_off+0x300/0x300 [ 218.116604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.121619] ? recalc_sigpending_tsk+0x180/0x180 [ 218.126383] ? kasan_check_write+0x14/0x20 [ 218.130623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.135477] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.140865] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 218.141163] syz-executor0: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.147809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.158280] syz-executor0 cpuset= [ 218.167616] Call Trace: [ 218.167627] [ 218.171062] syz0 [ 218.173639] dump_stack+0x1c4/0x2b4 [ 218.175768] mems_allowed=0 [ 218.177733] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.189453] warn_alloc.cold.118+0xb7/0x1bd [ 218.193779] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.198625] ? lock_downgrade+0x900/0x900 [ 218.202782] ? trace_hardirqs_off+0xb8/0x300 [ 218.207201] ? trace_hardirqs_off+0xb8/0x300 [ 218.211618] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.216496] ? warn_alloc+0x120/0x120 [ 218.220298] ? trace_hardirqs_on+0x310/0x310 [ 218.224706] ? warn_alloc+0x120/0x120 [ 218.228508] ? print_usage_bug+0xc0/0xc0 [ 218.232572] ? warn_alloc+0x120/0x120 [ 218.236375] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 218.241391] ? print_usage_bug+0xc0/0xc0 [ 218.245455] ? __lock_acquire+0x7ec/0x4ec0 [ 218.249691] ? __lock_acquire+0x7ec/0x4ec0 [ 218.253929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.259467] ? should_fail+0x22d/0xd01 [ 218.263369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.268479] ? __lock_acquire+0x7ec/0x4ec0 [ 218.272719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.277826] ? __lock_acquire+0x7ec/0x4ec0 [ 218.282065] ? should_fail+0x22d/0xd01 [ 218.285950] ? print_usage_bug+0xc0/0xc0 [ 218.290022] ? mark_held_locks+0x130/0x130 [ 218.294261] ? mark_held_locks+0x130/0x130 [ 218.298508] ? graph_lock+0x170/0x170 [ 218.302310] ? print_usage_bug+0xc0/0xc0 [ 218.306378] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.311139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.316943] ? check_preemption_disabled+0x48/0x200 [ 218.321964] ? check_preemption_disabled+0x48/0x200 [ 218.326994] ? __lock_is_held+0xb5/0x140 [ 218.331067] __alloc_pages_nodemask+0xa80/0xde0 [ 218.335736] ? graph_lock+0x170/0x170 [ 218.339541] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.344554] ? graph_lock+0x170/0x170 [ 218.348379] ? find_held_lock+0x36/0x1c0 [ 218.352451] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.357124] ? lock_downgrade+0x900/0x900 [ 218.361279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.366825] cache_grow_begin+0x91/0x8c0 [ 218.370892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.375309] fallback_alloc+0x203/0x2e0 [ 218.379301] ____cache_alloc_node+0x1c7/0x1e0 [ 218.383815] kmem_cache_alloc_node+0xe3/0x730 [ 218.388319] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.392580] __alloc_skb+0x119/0x770 [ 218.396295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.401582] ? skb_scrub_packet+0x490/0x490 [ 218.405903] ? lock_downgrade+0x900/0x900 [ 218.410060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.415604] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.421061] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.426542] ? addrconf_rs_timer+0x6f0/0x6f0 [ 218.430967] ndisc_alloc_skb+0x144/0x340 [ 218.435036] ndisc_send_rs+0x331/0x6e0 [ 218.438930] addrconf_rs_timer+0x3c0/0x6f0 [ 218.443174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.447884] call_timer_fn+0x272/0x920 [ 218.451776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.456016] ? process_timeout+0x40/0x40 [ 218.460077] ? find_held_lock+0x36/0x1c0 [ 218.464150] ? mark_held_locks+0xc7/0x130 [ 218.468300] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.472794] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.477286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.481521] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 218.486108] ? trace_hardirqs_on+0xbd/0x310 [ 218.490431] ? kasan_check_read+0x11/0x20 [ 218.494584] ? __run_timers+0x7da/0xc70 [ 218.498560] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.504014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.508259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.512497] __run_timers+0x7e5/0xc70 [ 218.516317] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.521694] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.526714] ? graph_lock+0x170/0x170 [ 218.530519] ? print_usage_bug+0xc0/0xc0 [ 218.534580] ? lock_release+0x970/0x970 [ 218.538558] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.543759] ? find_held_lock+0x36/0x1c0 [ 218.547829] ? graph_lock+0x170/0x170 [ 218.551641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.557184] ? check_preemption_disabled+0x48/0x200 [ 218.562212] ? __lock_is_held+0xb5/0x140 [ 218.566277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.571818] ? check_preemption_disabled+0x48/0x200 [ 218.576855] run_timer_softirq+0x52/0xb0 [ 218.580922] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.585940] __do_softirq+0x30b/0xad8 [ 218.589756] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 218.594872] ? pvclock_read_flags+0x160/0x160 [ 218.599377] ? lapic_next_event+0x5a/0x90 [ 218.603526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.609068] ? check_preemption_disabled+0x48/0x200 [ 218.614088] ? check_preemption_disabled+0x48/0x200 [ 218.619112] ? kvm_clock_read+0x18/0x30 [ 218.623089] ? kvm_sched_clock_read+0x9/0x20 [ 218.627503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.633301] ? check_preemption_disabled+0x48/0x200 [ 218.638334] irq_exit+0x17f/0x1c0 [ 218.641804] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.646645] ? smp_reschedule_interrupt+0x109/0x650 [ 218.651661] ? smp_call_function_single_interrupt+0x650/0x650 [ 218.657548] ? interrupt_entry+0xb5/0xf0 [ 218.661614] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.666638] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.671658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.676500] ? trace_hardirqs_off+0x300/0x300 [ 218.680995] ? trace_hardirqs_off+0x300/0x300 [ 218.685492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.691033] ? check_preemption_disabled+0x48/0x200 [ 218.696052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.701599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.706451] apic_timer_interrupt+0xf/0x20 [ 218.710679] [ 218.712921] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 218.718197] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 218.737105] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 218.744822] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 218.752093] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 218.759372] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 218.766637] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 218.773903] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 218.781198] ? arch_local_irq_restore+0x45/0x52 [ 218.785888] dump_stack+0x26a/0x2b4 [ 218.789696] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.794894] ? mark_held_locks+0x130/0x130 [ 218.799308] ? mark_held_locks+0x130/0x130 [ 218.803560] dump_header+0x27b/0xf72 [ 218.807290] ? pagefault_out_of_memory+0x197/0x197 [ 218.812228] ? mark_held_locks+0x130/0x130 [ 218.816464] ? __lock_acquire+0x7ec/0x4ec0 [ 218.820717] ? mem_cgroup_charge_statistics+0x780/0x780 [ 218.826080] ? print_usage_bug+0xc0/0xc0 [ 218.830144] ? print_usage_bug+0xc0/0xc0 [ 218.834212] ? graph_lock+0x170/0x170 [ 218.838015] ? graph_lock+0x170/0x170 [ 218.841925] ? print_usage_bug+0xc0/0xc0 [ 218.845989] ? print_usage_bug+0xc0/0xc0 [ 218.850061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.855609] ? find_held_lock+0x36/0x1c0 [ 218.859683] ? mark_held_locks+0xc7/0x130 [ 218.863836] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 218.868945] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 218.874049] ? lockdep_hardirqs_on+0x421/0x5c0 [ 218.878633] ? trace_hardirqs_on+0xbd/0x310 [ 218.882954] ? kasan_check_read+0x11/0x20 [ 218.887111] ? ___ratelimit+0x36f/0x655 [ 218.891087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.896538] ? trace_hardirqs_on+0x310/0x310 [ 218.900948] ? lock_downgrade+0x900/0x900 [ 218.905104] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.910217] ? ___ratelimit+0xaa/0x655 [ 218.914114] ? idr_get_free+0xec0/0xec0 [ 218.918095] ? kasan_check_write+0x14/0x20 [ 218.922334] ? do_raw_spin_lock+0xc1/0x200 [ 218.926594] oom_kill_process.cold.27+0x10/0x903 [ 218.931364] ? graph_lock+0x170/0x170 [ 218.935167] ? _raw_spin_unlock+0x2c/0x50 [ 218.939317] ? oom_badness+0xe6/0xaa0 [ 218.943136] ? oom_evaluate_task+0x540/0x540 [ 218.947552] ? find_held_lock+0x36/0x1c0 [ 218.951798] ? out_of_memory+0x974/0x14c0 [ 218.955948] ? lock_downgrade+0x900/0x900 [ 218.960099] ? check_preemption_disabled+0x48/0x200 [ 218.965144] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 218.970946] ? kasan_check_read+0x11/0x20 [ 218.975099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.980380] ? rcu_bh_qs+0xc0/0xc0 [ 218.983930] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.988952] ? oom_evaluate_task+0x302/0x540 [ 218.993378] out_of_memory+0xa86/0x14c0 [ 218.997374] ? oom_killer_disable+0x3a0/0x3a0 [ 219.001880] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 219.006819] ? __mutex_add_waiter+0x2a0/0x2a0 [ 219.011380] __alloc_pages_slowpath+0x2318/0x2d80 [ 219.016259] ? warn_alloc+0x120/0x120 [ 219.020077] ? find_get_entry+0x2f2/0xc40 [ 219.024239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.029787] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 219.034743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.040291] ? should_fail+0x22d/0xd01 [ 219.044194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.049310] ? __lock_is_held+0xb5/0x140 [ 219.053420] ? __lock_is_held+0xb5/0x140 [ 219.057500] ? find_held_lock+0x36/0x1c0 [ 219.061575] ? ___might_sleep+0x1ed/0x300 [ 219.065733] ? lock_release+0x970/0x970 [ 219.069716] ? arch_local_save_flags+0x40/0x40 [ 219.074318] ? __might_sleep+0x95/0x190 [ 219.078317] __alloc_pages_nodemask+0xa80/0xde0 [ 219.083025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.088051] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 219.093861] ? kasan_check_read+0x11/0x20 [ 219.098016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.103301] ? graph_lock+0x170/0x170 [ 219.107110] ? print_usage_bug+0xc0/0xc0 [ 219.111176] ? graph_lock+0x170/0x170 [ 219.114977] ? graph_lock+0x170/0x170 [ 219.118784] ? __do_page_cache_readahead+0x7ce/0x980 [ 219.123895] ? find_held_lock+0x36/0x1c0 [ 219.127970] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 219.133518] alloc_pages_current+0x10c/0x210 [ 219.137932] ? lock_downgrade+0x900/0x900 [ 219.142089] __page_cache_alloc+0x38f/0x5b0 [ 219.146421] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 219.152222] ? kasan_check_read+0x11/0x20 [ 219.156383] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.161668] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 219.166351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.171898] ? check_preemption_disabled+0x48/0x200 [ 219.176930] filemap_fault+0x1594/0x25f0 [ 219.181010] ? __lock_page_or_retry+0xa00/0xa00 [ 219.185685] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 219.191485] ? kasan_check_read+0x11/0x20 [ 219.195636] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.200916] ? rcu_bh_qs+0xc0/0xc0 [ 219.204476] ? filemap_map_pages+0xdea/0x1980 [ 219.208992] ? find_get_pages_range_tag+0x1320/0x1320 [ 219.214187] ? do_raw_spin_lock+0xc1/0x200 [ 219.218427] ? graph_lock+0x170/0x170 [ 219.222234] ? futex_wait_setup+0x266/0x3e0 [ 219.226582] ? lock_acquire+0x1ed/0x520 [ 219.230563] ? ext4_filemap_fault+0x7a/0xad [ 219.234897] ? lock_release+0x970/0x970 [ 219.238883] ? arch_local_save_flags+0x40/0x40 [ 219.243478] ? futex_wait_setup+0x3e0/0x3e0 [ 219.247801] ? print_usage_bug+0xc0/0xc0 [ 219.251883] ? down_read+0xb0/0x1d0 [ 219.255513] ? ext4_filemap_fault+0x7a/0xad [ 219.259846] ? __down_interruptible+0x700/0x700 [ 219.264541] ? find_held_lock+0x36/0x1c0 [ 219.268613] ext4_filemap_fault+0x82/0xad [ 219.272766] __do_fault+0x100/0x6b0 [ 219.276404] ? lock_downgrade+0x900/0x900 [ 219.280559] ? print_bad_pte+0x6c0/0x6c0 [ 219.284623] ? do_futex+0x249/0x26d0 [ 219.288355] ? kasan_check_read+0x11/0x20 [ 219.292512] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.296931] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 219.301519] ? add_mm_counter_fast+0xd0/0xd0 [ 219.305942] __handle_mm_fault+0x3709/0x53e0 [ 219.310375] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 219.315223] ? __fpu__restore_sig+0x62f/0x1680 [ 219.319806] ? graph_lock+0x170/0x170 [ 219.323611] ? print_usage_bug+0xc0/0xc0 [ 219.327678] ? graph_lock+0x170/0x170 [ 219.331483] ? graph_lock+0x170/0x170 [ 219.335299] ? graph_lock+0x170/0x170 [ 219.339129] ? handle_mm_fault+0x42a/0xc70 [ 219.343377] ? lock_downgrade+0x900/0x900 [ 219.347535] ? check_preemption_disabled+0x48/0x200 [ 219.352565] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 219.358381] ? kasan_check_read+0x11/0x20 [ 219.362544] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.367862] ? rcu_bh_qs+0xc0/0xc0 [ 219.371413] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.376876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.382424] ? check_preemption_disabled+0x48/0x200 [ 219.387460] handle_mm_fault+0x54f/0xc70 [ 219.391536] ? __handle_mm_fault+0x53e0/0x53e0 [ 219.396134] ? find_vma+0x34/0x190 [ 219.399690] __do_page_fault+0x67d/0xed0 [ 219.404220] ? mm_fault_error+0x380/0x380 [ 219.408380] ? trace_hardirqs_off+0xb8/0x300 [ 219.412797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.418171] ? trace_hardirqs_on+0x310/0x310 [ 219.422594] do_page_fault+0xf2/0x7e0 [ 219.426408] ? vmalloc_sync_all+0x30/0x30 [ 219.430567] ? error_entry+0x70/0xd0 [ 219.434291] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.439314] ? trace_hardirqs_on_caller+0xc0/0x300 [ 219.444258] ? syscall_return_slowpath+0x5e0/0x5e0 [ 219.449198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.454056] ? trace_hardirqs_off+0x300/0x300 [ 219.458559] ? trace_hardirqs_off_caller+0x300/0x300 [ 219.463673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.469236] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.474266] ? page_fault+0x8/0x30 [ 219.477899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.482753] ? page_fault+0x8/0x30 [ 219.486308] page_fault+0x1e/0x30 [ 219.489773] RIP: 0033:0x407e06 [ 219.492992] Code: Bad RIP value. [ 219.496361] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 219.501730] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 219.509002] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 219.516290] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 219.523562] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 219.530836] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 219.538151] warn_alloc_show_mem: 1 callbacks suppressed [ 219.538164] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 219.538165] Mem-Info: [ 219.538195] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 219.538195] active_file:16 inactive_file:17 isolated_file:1 [ 219.538195] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.538195] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 219.538195] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 219.538195] free:13718 free_pcp:223 free_cma:0 [ 219.543547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.550750] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.553154] Call Trace: [ 219.586029] Node 0 [ 219.595396] [ 219.623090] 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 [ 219.625656] dump_stack+0x1c4/0x2b4 [ 219.627863] lowmem_reserve[]: 0 [ 219.630022] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.655509] 2817 [ 219.659153] warn_alloc.cold.118+0xb7/0x1bd [ 219.662386] 6321 6321 [ 219.667585] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.669619] Node 0 [ 219.673937] ? lock_downgrade+0x900/0x900 [ 219.676431] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 219.681247] ? trace_hardirqs_off+0xb8/0x300 [ 219.683450] lowmem_reserve[]: 0 [ 219.687648] ? trace_hardirqs_off+0xb8/0x300 [ 219.714428] 0 [ 219.718841] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.722080] 3503 3503 [ 219.726518] ? warn_alloc+0x120/0x120 [ 219.728272] Node 0 [ 219.733112] ? warn_alloc+0x120/0x120 [ 219.735608] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 219.739384] ? print_usage_bug+0xc0/0xc0 [ 219.741595] lowmem_reserve[]: [ 219.745389] ? warn_alloc+0x120/0x120 [ 219.773726] 0 0 [ 219.777798] ? print_usage_bug+0xc0/0xc0 [ 219.780879] 0 [ 219.784680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.786622] 0 [ 219.790696] ? should_fail+0x22d/0xd01 [ 219.792471] Node 0 [ 219.798001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.799775] DMA: [ 219.803654] ? __lock_acquire+0x7ec/0x4ec0 [ 219.805872] 1*4kB [ 219.810969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.813009] (U) [ 219.817237] ? __lock_acquire+0x7ec/0x4ec0 [ 219.819362] 0*8kB 0*16kB [ 219.824468] ? should_fail+0x22d/0xd01 [ 219.826420] 1*32kB (U) [ 219.830660] ? mark_held_locks+0x130/0x130 [ 219.833386] 2*64kB [ 219.837266] ? mark_held_locks+0x130/0x130 [ 219.839826] (U) [ 219.844051] ? graph_lock+0x170/0x170 [ 219.846263] 1*128kB [ 219.850507] ? graph_lock+0x170/0x170 [ 219.852630] (U) [ 219.856427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.858723] 1*256kB (U) [ 219.862528] ? check_preemption_disabled+0x48/0x200 [ 219.864474] 0*512kB [ 219.870003] ? check_preemption_disabled+0x48/0x200 [ 219.872639] 1*1024kB (U) [ 219.877666] ? __lock_is_held+0xb5/0x140 [ 219.879955] 1*2048kB (M) [ 219.884973] __alloc_pages_nodemask+0xa80/0xde0 [ 219.887701] 3*4096kB (M) [ 219.891759] ? graph_lock+0x170/0x170 [ 219.894495] = 15908kB [ 219.899157] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.901888] Node 0 [ 219.905682] ? graph_lock+0x170/0x170 [ 219.908066] DMA32: [ 219.913078] ? find_held_lock+0x36/0x1c0 [ 219.915285] 2*4kB [ 219.919080] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.921283] (M) [ 219.925344] ? lock_downgrade+0x900/0x900 [ 219.927471] 0*8kB 3*16kB [ 219.932145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.934096] (M) [ 219.938239] cache_grow_begin+0x91/0x8c0 [ 219.940973] 1*32kB [ 219.946502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.948445] (M) 2*64kB [ 219.952512] fallback_alloc+0x203/0x2e0 [ 219.954718] (M) [ 219.959122] ____cache_alloc_node+0x1c7/0x1e0 [ 219.961671] 4*128kB (UM) [ 219.965648] __kmalloc+0x208/0x760 [ 219.967598] 3*256kB [ 219.972091] ? __neigh_create+0x30b/0x2130 [ 219.974818] (UM) [ 219.978368] __neigh_create+0x30b/0x2130 [ 219.980660] 4*512kB [ 219.984887] ? trace_hardirqs_on+0xbd/0x310 [ 219.986924] (UM) [ 219.990977] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 219.993277] 3*1024kB [ 219.997593] ? ip6t_do_table+0xd9e/0x1d30 [ 219.999622] (M) 3*2048kB [ 220.005165] ? mark_held_locks+0x130/0x130 [ 220.007546] (UM) [ 220.011688] ? __local_bh_enable_ip+0x160/0x260 [ 220.014412] 3*4096kB (M) [ 220.018653] ? neigh_hash_alloc+0x1e0/0x1e0 [ 220.020689] = 25048kB [ 220.025363] ? graph_lock+0x170/0x170 [ 220.028094] Node 0 [ 220.032413] ? ip6t_do_table+0xd9e/0x1d30 [ 220.034798] Normal: [ 220.038592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.040803] 865*4kB [ 220.044940] ? trace_hardirqs_on+0xbd/0x310 [ 220.047237] (UMEH) [ 220.052687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.054977] 401*8kB (UMEH) [ 220.059304] ? ip6t_do_table+0xd6a/0x1d30 [ 220.061512] 165*16kB (UMEH) [ 220.067053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.069953] 83*32kB (UMEH) [ 220.074104] ? check_preemption_disabled+0x48/0x200 [ 220.077087] 31*64kB (UMH) [ 220.082624] ? check_preemption_disabled+0x48/0x200 [ 220.082648] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 220.085551] 0*128kB [ 220.090560] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.093384] 0*256kB 0*512kB [ 220.098403] ? rcu_pm_notify+0xc0/0xc0 [ 220.103916] 0*1024kB [ 220.106230] ? graph_lock+0x170/0x170 [ 220.111476] 0*2048kB 0*4096kB [ 220.114497] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 220.118363] = 13948kB [ 220.120770] ip6_finish_output2+0xa59/0x27a0 [ 220.124549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 220.127733] ? ip6_copy_metadata+0xe30/0xe30 [ 220.132895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 220.135293] ? ip6_mtu+0x39c/0x520 [ 220.139678] 413 total pagecache pages [ 220.148508] ? lock_downgrade+0x900/0x900 [ 220.152896] 0 pages in swap cache [ 220.161478] ? check_preemption_disabled+0x48/0x200 [ 220.164988] Swap cache stats: add 0, delete 0, find 0/0 [ 220.164997] Free swap = 0kB [ 220.168793] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.173001] Total swap = 0kB [ 220.176449] ? kasan_check_read+0x11/0x20 [ 220.181435] 1965979 pages RAM [ 220.186792] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.189776] 0 pages HighMem/MovableOnly [ 220.189784] 342744 pages reserved [ 220.195573] ? rcu_bh_qs+0xc0/0xc0 [ 220.198564] 0 pages cma reserved [ 220.202715] ? ip6_mtu+0x160/0x520 [ 220.205881] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 220.211058] ? dst_hold+0x2f0/0x2f0 [ 220.215108] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.218466] ? kasan_check_read+0x11/0x20 [ 220.221981] syz-fuzzer cpuset= [ 220.225357] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.228863] / [ 220.235362] ? nf_nat_ipv6_out+0x212/0x550 [ 220.235383] ip6_finish_output+0x5fe/0xbc0 [ 220.238985] mems_allowed=0 [ 220.249198] ? ip6_finish_output+0x5fe/0xbc0 [ 220.279228] ip6_output+0x23e/0xa00 [ 220.282862] ? check_preemption_disabled+0x48/0x200 [ 220.287885] ? ip6_finish_output+0xbc0/0xbc0 [ 220.292300] ? ip6_fragment+0x38c0/0x38c0 [ 220.296447] ? __lock_is_held+0xb5/0x140 [ 220.300530] ndisc_send_skb+0x1005/0x1570 [ 220.304686] ? ndisc_constructor+0xc40/0xc40 [ 220.309097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.315154] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.320611] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.326078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.331621] ndisc_send_rs+0x134/0x6e0 [ 220.335518] addrconf_rs_timer+0x3c0/0x6f0 [ 220.339758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.344006] call_timer_fn+0x272/0x920 [ 220.347893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.352128] ? process_timeout+0x40/0x40 [ 220.356190] ? find_held_lock+0x36/0x1c0 [ 220.360262] ? __run_timers+0x7da/0xc70 [ 220.364240] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.368734] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.373228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.377464] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.382050] ? trace_hardirqs_on+0xbd/0x310 [ 220.386395] ? kasan_check_read+0x11/0x20 [ 220.390554] ? __run_timers+0x7da/0xc70 [ 220.394532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.399994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.404236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.408474] __run_timers+0x7e5/0xc70 [ 220.412292] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.417666] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.422684] ? graph_lock+0x170/0x170 [ 220.426490] ? enqueue_hrtimer+0x1a5/0x560 [ 220.430726] ? lock_release+0x970/0x970 [ 220.434702] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.439902] ? find_held_lock+0x36/0x1c0 [ 220.443970] ? graph_lock+0x170/0x170 [ 220.448027] ? pvclock_read_flags+0x160/0x160 [ 220.452529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.458073] ? check_preemption_disabled+0x48/0x200 [ 220.463100] ? __lock_is_held+0xb5/0x140 [ 220.467166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.472707] ? check_preemption_disabled+0x48/0x200 [ 220.477731] run_timer_softirq+0x52/0xb0 [ 220.481791] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.486810] __do_softirq+0x30b/0xad8 [ 220.490628] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.495740] ? pvclock_read_flags+0x160/0x160 [ 220.500251] ? lapic_next_event+0x5a/0x90 [ 220.504410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.509953] ? check_preemption_disabled+0x48/0x200 [ 220.514972] ? check_preemption_disabled+0x48/0x200 [ 220.519998] ? kvm_clock_read+0x18/0x30 [ 220.523971] ? kvm_sched_clock_read+0x9/0x20 [ 220.528393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.533936] ? check_preemption_disabled+0x48/0x200 [ 220.538970] irq_exit+0x17f/0x1c0 [ 220.542428] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.547272] ? smp_reschedule_interrupt+0x109/0x650 [ 220.552294] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.558181] ? interrupt_entry+0xb5/0xf0 [ 220.562248] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.567267] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.572284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.577131] ? trace_hardirqs_off+0x300/0x300 [ 220.581629] ? trace_hardirqs_off+0x300/0x300 [ 220.586125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.591664] ? check_preemption_disabled+0x48/0x200 [ 220.596678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.602314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.607182] apic_timer_interrupt+0xf/0x20 [ 220.611410] [ 220.613648] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.618593] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 220.637521] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 220.645233] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 220.652502] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 220.659787] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 220.667054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 220.674322] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 220.681652] skb_clone+0x1bb/0x500 [ 220.685194] ? finish_task_switch+0x1b5/0x900 [ 220.689694] ? skb_split+0x11e0/0x11e0 [ 220.693583] ? preempt_notifier_register+0x200/0x200 [ 220.698689] ? __switch_to_asm+0x34/0x70 [ 220.702752] ? __switch_to_asm+0x34/0x70 [ 220.706811] ? __switch_to_asm+0x40/0x70 [ 220.710869] ? __switch_to_asm+0x34/0x70 [ 220.714930] ? __switch_to_asm+0x40/0x70 [ 220.718987] ? __switch_to_asm+0x34/0x70 [ 220.723049] ? __switch_to_asm+0x40/0x70 [ 220.727109] ? __switch_to_asm+0x34/0x70 [ 220.731180] ? __switch_to_asm+0x34/0x70 [ 220.735240] ? __switch_to_asm+0x40/0x70 [ 220.739301] ? __switch_to_asm+0x34/0x70 [ 220.743383] bpf_clone_redirect+0xb9/0x490 [ 220.747620] ? __schedule+0x874/0x1ed0 [ 220.751532] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 220.756553] ? __sched_text_start+0x8/0x8 [ 220.760701] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.765469] ? find_held_lock+0x36/0x1c0 [ 220.769538] ? lock_acquire+0x1ed/0x520 [ 220.773511] ? bpf_test_run+0x32e/0x5a0 [ 220.777488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.783033] ? check_preemption_disabled+0x48/0x200 [ 220.788060] ? kasan_check_read+0x11/0x20 [ 220.792211] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.797488] ? rcu_bh_qs+0xc0/0xc0 [ 220.801029] ? preempt_schedule+0x4d/0x60 [ 220.805177] ? ___preempt_schedule+0x16/0x18 [ 220.809591] ? bpf_test_run+0x1c0/0x5a0 [ 220.813583] ? netlink_diag_dump+0x2a0/0x2a0 [ 220.817994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.823532] ? bpf_test_init.isra.9+0x70/0x100 [ 220.828118] ? bpf_prog_test_run_skb+0x634/0xb40 [ 220.832886] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.837730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 220.843268] ? fput+0x130/0x1a0 [ 220.846552] ? __bpf_prog_get+0x9b/0x290 [ 220.850619] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.855460] ? bpf_prog_test_run+0x130/0x1a0 [ 220.859874] ? __x64_sys_bpf+0x3d8/0x510 [ 220.863940] ? bpf_prog_get+0x20/0x20 [ 220.867752] ? ksys_ioctl+0x81/0xd0 [ 220.871396] ? do_syscall_64+0x1b9/0x820 [ 220.875459] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 220.880828] ? syscall_return_slowpath+0x5e0/0x5e0 [ 220.885759] ? trace_hardirqs_off+0x300/0x300 [ 220.890274] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 220.895288] ? recalc_sigpending_tsk+0x180/0x180 [ 220.900045] ? kasan_check_write+0x14/0x20 [ 220.904288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.909138] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.914527] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 220.915050] syz-executor0: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.921474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.931942] syz-executor0 cpuset= [ 220.941276] Call Trace: [ 220.941286] syz0 [ 220.944722] [ 220.947293] mems_allowed=0 [ 220.949260] dump_stack+0x1c4/0x2b4 [ 220.957924] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.963131] warn_alloc.cold.118+0xb7/0x1bd [ 220.967457] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.972306] ? lock_downgrade+0x900/0x900 [ 220.976472] ? trace_hardirqs_off+0xb8/0x300 [ 220.980890] ? trace_hardirqs_off+0xb8/0x300 [ 220.985310] __alloc_pages_slowpath+0x2667/0x2d80 [ 220.990205] ? warn_alloc+0x120/0x120 [ 220.994038] ? trace_hardirqs_on+0x310/0x310 [ 220.998465] ? warn_alloc+0x120/0x120 [ 221.002266] ? print_usage_bug+0xc0/0xc0 [ 221.006327] ? warn_alloc+0x120/0x120 [ 221.010134] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 221.015147] ? print_usage_bug+0xc0/0xc0 [ 221.019210] ? __lock_acquire+0x7ec/0x4ec0 [ 221.023444] ? __lock_acquire+0x7ec/0x4ec0 [ 221.027680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.033218] ? should_fail+0x22d/0xd01 [ 221.037112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.042219] ? __lock_acquire+0x7ec/0x4ec0 [ 221.046466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.051566] ? __lock_acquire+0x7ec/0x4ec0 [ 221.055798] ? should_fail+0x22d/0xd01 [ 221.059687] ? print_usage_bug+0xc0/0xc0 [ 221.063761] ? mark_held_locks+0x130/0x130 [ 221.068002] ? mark_held_locks+0x130/0x130 [ 221.072250] ? graph_lock+0x170/0x170 [ 221.076051] ? print_usage_bug+0xc0/0xc0 [ 221.080112] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.084875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.090419] ? check_preemption_disabled+0x48/0x200 [ 221.095444] ? check_preemption_disabled+0x48/0x200 [ 221.100476] ? __lock_is_held+0xb5/0x140 [ 221.104545] __alloc_pages_nodemask+0xa80/0xde0 [ 221.109216] ? graph_lock+0x170/0x170 [ 221.113020] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.118037] ? graph_lock+0x170/0x170 [ 221.121858] ? find_held_lock+0x36/0x1c0 [ 221.125930] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.130601] ? lock_downgrade+0x900/0x900 [ 221.134756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.140302] cache_grow_begin+0x91/0x8c0 [ 221.144375] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.148797] fallback_alloc+0x203/0x2e0 [ 221.152788] ____cache_alloc_node+0x1c7/0x1e0 [ 221.157291] kmem_cache_alloc_node+0xe3/0x730 [ 221.161790] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.166036] __alloc_skb+0x119/0x770 [ 221.169754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.175039] ? skb_scrub_packet+0x490/0x490 [ 221.179371] ? lock_downgrade+0x900/0x900 [ 221.183532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.189074] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.194531] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.199989] ? addrconf_rs_timer+0x6f0/0x6f0 [ 221.204411] ndisc_alloc_skb+0x144/0x340 [ 221.208479] ndisc_send_rs+0x331/0x6e0 [ 221.212384] addrconf_rs_timer+0x3c0/0x6f0 [ 221.216628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.220885] call_timer_fn+0x272/0x920 [ 221.224778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.229013] ? process_timeout+0x40/0x40 [ 221.233876] ? find_held_lock+0x36/0x1c0 [ 221.237948] ? mark_held_locks+0xc7/0x130 [ 221.242102] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.246598] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.251096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.255353] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.259945] ? trace_hardirqs_on+0xbd/0x310 [ 221.264268] ? kasan_check_read+0x11/0x20 [ 221.268416] ? __run_timers+0x7da/0xc70 [ 221.272394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.277860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.282104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.286347] __run_timers+0x7e5/0xc70 [ 221.290168] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.295535] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.300556] ? graph_lock+0x170/0x170 [ 221.304369] ? print_usage_bug+0xc0/0xc0 [ 221.308433] ? lock_release+0x970/0x970 [ 221.312422] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 221.317634] ? find_held_lock+0x36/0x1c0 [ 221.321702] ? graph_lock+0x170/0x170 [ 221.325511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.331050] ? check_preemption_disabled+0x48/0x200 [ 221.336080] ? __lock_is_held+0xb5/0x140 [ 221.340194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.345737] ? check_preemption_disabled+0x48/0x200 [ 221.350768] run_timer_softirq+0x52/0xb0 [ 221.354833] ? rcu_read_lock_sched_held+0x108/0x120 [ 221.359862] __do_softirq+0x30b/0xad8 [ 221.363674] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 221.368803] ? pvclock_read_flags+0x160/0x160 [ 221.373300] ? lapic_next_event+0x5a/0x90 [ 221.377453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.382992] ? check_preemption_disabled+0x48/0x200 [ 221.388012] ? check_preemption_disabled+0x48/0x200 [ 221.393037] ? kvm_clock_read+0x18/0x30 [ 221.397015] ? kvm_sched_clock_read+0x9/0x20 [ 221.401425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.406968] ? check_preemption_disabled+0x48/0x200 [ 221.412002] irq_exit+0x17f/0x1c0 [ 221.415457] smp_apic_timer_interrupt+0x1cb/0x760 [ 221.420301] ? smp_reschedule_interrupt+0x109/0x650 [ 221.425322] ? smp_call_function_single_interrupt+0x650/0x650 [ 221.431212] ? interrupt_entry+0xb5/0xf0 [ 221.435275] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.440290] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.445310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.450603] ? trace_hardirqs_off+0x300/0x300 [ 221.455098] ? trace_hardirqs_off+0x300/0x300 [ 221.459597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.465135] ? check_preemption_disabled+0x48/0x200 [ 221.470149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.475700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.480554] apic_timer_interrupt+0xf/0x20 [ 221.484784] [ 221.487022] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 221.492304] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 221.511213] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 221.518921] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 221.526220] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 221.533489] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 221.540753] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 221.548022] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 221.555313] ? arch_local_irq_restore+0x45/0x52 [ 221.560000] dump_stack+0x26a/0x2b4 [ 221.563630] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.568831] ? mark_held_locks+0x130/0x130 [ 221.573073] ? mark_held_locks+0x130/0x130 [ 221.577315] dump_header+0x27b/0xf72 [ 221.581054] ? pagefault_out_of_memory+0x197/0x197 [ 221.585994] ? mark_held_locks+0x130/0x130 [ 221.590230] ? __lock_acquire+0x7ec/0x4ec0 [ 221.594465] ? mem_cgroup_charge_statistics+0x780/0x780 [ 221.599831] ? print_usage_bug+0xc0/0xc0 [ 221.603900] ? print_usage_bug+0xc0/0xc0 [ 221.607972] ? graph_lock+0x170/0x170 [ 221.611770] ? graph_lock+0x170/0x170 [ 221.615579] ? print_usage_bug+0xc0/0xc0 [ 221.619637] ? print_usage_bug+0xc0/0xc0 [ 221.623710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.629255] ? find_held_lock+0x36/0x1c0 [ 221.633323] ? mark_held_locks+0xc7/0x130 [ 221.637480] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 221.642585] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 221.647693] ? lockdep_hardirqs_on+0x421/0x5c0 [ 221.652275] ? trace_hardirqs_on+0xbd/0x310 [ 221.656599] ? kasan_check_read+0x11/0x20 [ 221.660750] ? ___ratelimit+0x36f/0x655 [ 221.664724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.670174] ? trace_hardirqs_on+0x310/0x310 [ 221.674581] ? lock_downgrade+0x900/0x900 [ 221.678737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.683844] ? ___ratelimit+0xaa/0x655 [ 221.687744] ? idr_get_free+0xec0/0xec0 [ 221.691724] ? kasan_check_write+0x14/0x20 [ 221.695962] ? do_raw_spin_lock+0xc1/0x200 [ 221.700209] oom_kill_process.cold.27+0x10/0x903 [ 221.704972] ? graph_lock+0x170/0x170 [ 221.708770] ? _raw_spin_unlock+0x2c/0x50 [ 221.712915] ? oom_badness+0xe6/0xaa0 [ 221.716723] ? oom_evaluate_task+0x540/0x540 [ 221.721154] ? find_held_lock+0x36/0x1c0 [ 221.725227] ? out_of_memory+0x974/0x14c0 [ 221.729378] ? lock_downgrade+0x900/0x900 [ 221.733557] ? check_preemption_disabled+0x48/0x200 [ 221.738582] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.744382] ? kasan_check_read+0x11/0x20 [ 221.748535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.753811] ? rcu_bh_qs+0xc0/0xc0 [ 221.757363] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.762383] ? oom_evaluate_task+0x302/0x540 [ 221.766799] out_of_memory+0xa86/0x14c0 [ 221.770786] ? oom_killer_disable+0x3a0/0x3a0 [ 221.775282] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 221.780218] ? __mutex_add_waiter+0x2a0/0x2a0 [ 221.784729] __alloc_pages_slowpath+0x2318/0x2d80 [ 221.789605] ? warn_alloc+0x120/0x120 [ 221.793420] ? find_get_entry+0x2f2/0xc40 [ 221.797578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.803122] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 221.808050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.813587] ? should_fail+0x22d/0xd01 [ 221.817482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.822584] ? __lock_is_held+0xb5/0x140 [ 221.826676] ? __lock_is_held+0xb5/0x140 [ 221.830749] ? find_held_lock+0x36/0x1c0 [ 221.834817] ? ___might_sleep+0x1ed/0x300 [ 221.838969] ? lock_release+0x970/0x970 [ 221.842948] ? arch_local_save_flags+0x40/0x40 [ 221.847545] ? __might_sleep+0x95/0x190 [ 221.851529] __alloc_pages_nodemask+0xa80/0xde0 [ 221.856206] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.861227] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.867028] ? kasan_check_read+0x11/0x20 [ 221.871180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.876460] ? graph_lock+0x170/0x170 [ 221.880268] ? print_usage_bug+0xc0/0xc0 [ 221.884332] ? graph_lock+0x170/0x170 [ 221.888141] ? graph_lock+0x170/0x170 [ 221.891946] ? __do_page_cache_readahead+0x7ce/0x980 [ 221.897057] ? find_held_lock+0x36/0x1c0 [ 221.901127] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 221.906667] alloc_pages_current+0x10c/0x210 [ 221.911077] ? lock_downgrade+0x900/0x900 [ 221.915244] __page_cache_alloc+0x38f/0x5b0 [ 221.919566] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.925370] ? kasan_check_read+0x11/0x20 [ 221.929519] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.934801] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 221.939477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.945016] ? check_preemption_disabled+0x48/0x200 [ 221.950041] filemap_fault+0x1594/0x25f0 [ 221.954114] ? __lock_page_or_retry+0xa00/0xa00 [ 221.958785] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.964584] ? kasan_check_read+0x11/0x20 [ 221.968735] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.974200] ? rcu_bh_qs+0xc0/0xc0 [ 221.977762] ? filemap_map_pages+0xdea/0x1980 [ 221.982278] ? find_get_pages_range_tag+0x1320/0x1320 [ 221.987472] ? do_raw_spin_lock+0xc1/0x200 [ 221.991708] ? graph_lock+0x170/0x170 [ 221.995515] ? futex_wait_setup+0x266/0x3e0 [ 221.999865] ? lock_acquire+0x1ed/0x520 [ 222.003842] ? ext4_filemap_fault+0x7a/0xad [ 222.008177] ? lock_release+0x970/0x970 [ 222.012159] ? arch_local_save_flags+0x40/0x40 [ 222.016746] ? futex_wait_setup+0x3e0/0x3e0 [ 222.021065] ? print_usage_bug+0xc0/0xc0 [ 222.025140] ? down_read+0xb0/0x1d0 [ 222.028773] ? ext4_filemap_fault+0x7a/0xad [ 222.033096] ? __down_interruptible+0x700/0x700 [ 222.037794] ? find_held_lock+0x36/0x1c0 [ 222.041868] ext4_filemap_fault+0x82/0xad [ 222.046022] __do_fault+0x100/0x6b0 [ 222.049651] ? lock_downgrade+0x900/0x900 [ 222.053801] ? print_bad_pte+0x6c0/0x6c0 [ 222.057866] ? do_futex+0x249/0x26d0 [ 222.061587] ? kasan_check_read+0x11/0x20 [ 222.065734] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.070148] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 222.074746] ? add_mm_counter_fast+0xd0/0xd0 [ 222.079166] __handle_mm_fault+0x3709/0x53e0 [ 222.083585] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 222.088428] ? __fpu__restore_sig+0x62f/0x1680 [ 222.093009] ? graph_lock+0x170/0x170 [ 222.096820] ? print_usage_bug+0xc0/0xc0 [ 222.100887] ? graph_lock+0x170/0x170 [ 222.104689] ? graph_lock+0x170/0x170 [ 222.108490] ? graph_lock+0x170/0x170 [ 222.112313] ? handle_mm_fault+0x42a/0xc70 [ 222.116561] ? lock_downgrade+0x900/0x900 [ 222.120709] ? check_preemption_disabled+0x48/0x200 [ 222.125736] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.131536] ? kasan_check_read+0x11/0x20 [ 222.135684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.140961] ? rcu_bh_qs+0xc0/0xc0 [ 222.144506] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.149957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.155497] ? check_preemption_disabled+0x48/0x200 [ 222.160523] handle_mm_fault+0x54f/0xc70 [ 222.164590] ? __handle_mm_fault+0x53e0/0x53e0 [ 222.169179] ? find_vma+0x34/0x190 [ 222.172725] __do_page_fault+0x67d/0xed0 [ 222.176795] ? mm_fault_error+0x380/0x380 [ 222.180944] ? trace_hardirqs_off+0xb8/0x300 [ 222.185364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.190731] ? trace_hardirqs_on+0x310/0x310 [ 222.195145] do_page_fault+0xf2/0x7e0 [ 222.198946] ? vmalloc_sync_all+0x30/0x30 [ 222.203094] ? error_entry+0x70/0xd0 [ 222.206824] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.211841] ? trace_hardirqs_on_caller+0xc0/0x300 [ 222.216780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.221709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.226551] ? trace_hardirqs_off+0x300/0x300 [ 222.231048] ? trace_hardirqs_off_caller+0x300/0x300 [ 222.236158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.241701] ? prepare_exit_to_usermode+0x291/0x3b0 [ 222.246722] ? page_fault+0x8/0x30 [ 222.250268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.255119] ? page_fault+0x8/0x30 [ 222.258664] page_fault+0x1e/0x30 [ 222.262116] RIP: 0033:0x407e06 [ 222.265310] Code: Bad RIP value. [ 222.268677] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 222.274044] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 222.281311] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 222.288582] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 222.295848] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 222.303125] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 222.310423] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 222.310428] warn_alloc_show_mem: 1 callbacks suppressed [ 222.310435] Mem-Info: [ 222.318086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.318097] Call Trace: [ 222.323474] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 222.323474] active_file:16 inactive_file:17 isolated_file:1 [ 222.323474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 222.323474] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 222.323474] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 222.323474] free:13718 free_pcp:223 free_cma:0 [ 222.325857] [ 222.335220] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 222.337805] dump_stack+0x1c4/0x2b4 [ 222.370658] Node 0 [ 222.372808] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.400472] 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 [ 222.404082] warn_alloc.cold.118+0xb7/0x1bd [ 222.406273] lowmem_reserve[]: 0 [ 222.411475] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.436949] 2817 [ 222.441264] ? lock_downgrade+0x900/0x900 [ 222.444514] 6321 [ 222.449508] ? trace_hardirqs_off+0xb8/0x300 [ 222.451549] 6321 [ 222.455691] ? trace_hardirqs_off+0xb8/0x300 [ 222.457728] Node 0 [ 222.462136] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.464194] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 222.468599] ? warn_alloc+0x120/0x120 [ 222.470786] lowmem_reserve[]: [ 222.475622] ? warn_alloc+0x120/0x120 [ 222.502322] 0 [ 222.506167] ? print_usage_bug+0xc0/0xc0 [ 222.509224] 0 3503 [ 222.513027] ? warn_alloc+0x120/0x120 [ 222.514796] 3503 [ 222.518876] ? print_usage_bug+0xc0/0xc0 [ 222.521090] Node 0 [ 222.524881] ? print_usage_bug+0xc0/0xc0 [ 222.526948] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 222.530981] ? update_load_avg+0x387/0x2470 [ 222.533183] lowmem_reserve[]: 0 [ 222.537248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.565580] 0 0 [ 222.569909] ? should_fail+0x22d/0xd01 [ 222.573161] 0 [ 222.578694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.580647] Node 0 [ 222.584528] ? __lock_acquire+0x7ec/0x4ec0 [ 222.586303] DMA: [ 222.591403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.593611] 1*4kB [ 222.597834] ? __lock_acquire+0x7ec/0x4ec0 [ 222.599876] (U) [ 222.604974] ? should_fail+0x22d/0xd01 [ 222.607097] 0*8kB [ 222.611332] ? mark_held_locks+0x130/0x130 [ 222.613280] 0*16kB 1*32kB [ 222.617169] ? mark_held_locks+0x130/0x130 [ 222.619293] (U) [ 222.623527] ? graph_lock+0x170/0x170 [ 222.626346] 2*64kB (U) [ 222.630593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.632543] 1*128kB [ 222.636346] ? check_preemption_disabled+0x48/0x200 [ 222.638902] (U) [ 222.644436] ? check_preemption_disabled+0x48/0x200 [ 222.646727] 1*256kB (U) [ 222.651748] ? __lock_is_held+0xb5/0x140 [ 222.653686] 0*512kB 1*1024kB [ 222.658708] __alloc_pages_nodemask+0xa80/0xde0 [ 222.661361] (U) [ 222.665412] ? graph_lock+0x170/0x170 [ 222.668490] 1*2048kB (M) [ 222.673161] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.675109] 3*4096kB (M) [ 222.678909] ? graph_lock+0x170/0x170 [ 222.681639] = 15908kB [ 222.681647] Node 0 [ 222.686668] ? find_held_lock+0x36/0x1c0 [ 222.689394] DMA32: 2*4kB [ 222.693211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.695588] (M) [ 222.697817] ? lock_downgrade+0x900/0x900 [ 222.701847] 0*8kB [ 222.704614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.709254] 3*16kB [ 222.711226] cache_grow_begin+0x91/0x8c0 [ 222.715350] (M) [ 222.717502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.723013] 1*32kB [ 222.725245] fallback_alloc+0x203/0x2e0 [ 222.729276] (M) [ 222.731251] ____cache_alloc_node+0x1c7/0x1e0 [ 222.735632] 2*64kB [ 222.737863] __kmalloc+0x208/0x760 [ 222.741808] (M) 4*128kB [ 222.743790] ? __neigh_create+0x30b/0x2130 [ 222.748256] (UM) [ 222.750491] __neigh_create+0x30b/0x2130 [ 222.753996] 3*256kB (UM) [ 222.756669] ? trace_hardirqs_on+0xbd/0x310 [ 222.760875] 4*512kB (UM) [ 222.762949] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.766974] 3*1024kB (M) [ 222.769736] ? ip6t_do_table+0xd9e/0x1d30 [ 222.774023] 3*2048kB (UM) [ 222.776791] ? mark_held_locks+0x130/0x130 [ 222.782290] 3*4096kB (M) [ 222.785051] ? __local_bh_enable_ip+0x160/0x260 [ 222.789169] = 25048kB [ 222.792006] ? neigh_hash_alloc+0x1e0/0x1e0 [ 222.796211] Node 0 [ 222.798960] ? graph_lock+0x170/0x170 [ 222.803593] Normal: 865*4kB [ 222.806006] ? ip6t_do_table+0xd9e/0x1d30 [ 222.810297] (UMEH) [ 222.812529] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.816304] 401*8kB [ 222.819317] ? trace_hardirqs_on+0xbd/0x310 [ 222.823441] (UMEH) 165*16kB [ 222.825684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.831104] (UMEH) [ 222.833422] ? ip6t_do_table+0xd6a/0x1d30 [ 222.837722] 83*32kB (UMEH) [ 222.840744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.846248] 31*64kB (UMH) [ 222.848491] ? check_preemption_disabled+0x48/0x200 [ 222.852608] 0*128kB [ 222.855530] ? check_preemption_disabled+0x48/0x200 [ 222.855554] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 222.861059] 0*256kB 0*512kB [ 222.863907] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.868899] 0*1024kB [ 222.871215] ? rcu_pm_notify+0xc0/0xc0 [ 222.876202] 0*2048kB 0*4096kB [ 222.881738] ? graph_lock+0x170/0x170 [ 222.884730] = 13948kB [ 222.890004] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 222.892404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 222.896281] ip6_finish_output2+0xa59/0x27a0 [ 222.899452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 222.903246] ? ip6_copy_metadata+0xe30/0xe30 [ 222.905625] 413 total pagecache pages [ 222.910806] ? ip6_mtu+0x39c/0x520 [ 222.919621] 0 pages in swap cache [ 222.924016] ? lock_downgrade+0x900/0x900 [ 222.932561] Swap cache stats: add 0, delete 0, find 0/0 [ 222.932570] Free swap = 0kB [ 222.936971] ? check_preemption_disabled+0x48/0x200 [ 222.936992] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.940758] Total swap = 0kB [ 222.940766] 1965979 pages RAM [ 222.944300] ? kasan_check_read+0x11/0x20 [ 222.947720] 0 pages HighMem/MovableOnly [ 222.947729] 342744 pages reserved [ 222.951864] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.951881] ? rcu_bh_qs+0xc0/0xc0 [ 222.957216] 0 pages cma reserved [ 222.957291] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.960246] ? ip6_mtu+0x160/0x520 [ 222.965328] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.971026] ? dst_hold+0x2f0/0x2f0 [ 222.974020] syz-fuzzer cpuset= [ 222.977123] ? kasan_check_read+0x11/0x20 [ 222.981249] / [ 222.985221] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.988649] mems_allowed=0 [ 222.993915] ? nf_nat_ipv6_out+0x212/0x550 [ 223.046020] ip6_finish_output+0x5fe/0xbc0 [ 223.050260] ? ip6_finish_output+0x5fe/0xbc0 [ 223.054676] ip6_output+0x23e/0xa00 [ 223.058306] ? check_preemption_disabled+0x48/0x200 [ 223.063331] ? ip6_finish_output+0xbc0/0xbc0 [ 223.067756] ? ip6_fragment+0x38c0/0x38c0 [ 223.072017] ? __lock_is_held+0xb5/0x140 [ 223.076098] ndisc_send_skb+0x1005/0x1570 [ 223.080259] ? ndisc_constructor+0xc40/0xc40 [ 223.084672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.090214] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.095669] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.101132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.106677] ndisc_send_rs+0x134/0x6e0 [ 223.110576] addrconf_rs_timer+0x3c0/0x6f0 [ 223.114821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.119074] call_timer_fn+0x272/0x920 [ 223.122963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.127199] ? process_timeout+0x40/0x40 [ 223.131259] ? find_held_lock+0x36/0x1c0 [ 223.135331] ? __run_timers+0x7da/0xc70 [ 223.139327] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.143832] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.148329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.152584] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 223.157186] ? trace_hardirqs_on+0xbd/0x310 [ 223.161510] ? kasan_check_read+0x11/0x20 [ 223.165662] ? __run_timers+0x7da/0xc70 [ 223.169640] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.175109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.179364] __run_timers+0x7e5/0xc70 [ 223.183185] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.188550] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.193571] ? graph_lock+0x170/0x170 [ 223.197382] ? enqueue_hrtimer+0x1a5/0x560 [ 223.201617] ? lock_release+0x970/0x970 [ 223.205593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.210793] ? find_held_lock+0x36/0x1c0 [ 223.214862] ? graph_lock+0x170/0x170 [ 223.218666] ? pvclock_read_flags+0x160/0x160 [ 223.223165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.228707] ? check_preemption_disabled+0x48/0x200 [ 223.233737] ? __lock_is_held+0xb5/0x140 [ 223.237802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.243358] ? check_preemption_disabled+0x48/0x200 [ 223.248394] run_timer_softirq+0x52/0xb0 [ 223.252461] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.257486] __do_softirq+0x30b/0xad8 [ 223.261303] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.266415] ? pvclock_read_flags+0x160/0x160 [ 223.270909] ? lapic_next_event+0x5a/0x90 [ 223.275061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.280600] ? check_preemption_disabled+0x48/0x200 [ 223.285615] ? check_preemption_disabled+0x48/0x200 [ 223.290639] ? kvm_clock_read+0x18/0x30 [ 223.294612] ? kvm_sched_clock_read+0x9/0x20 [ 223.299285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.304827] ? check_preemption_disabled+0x48/0x200 [ 223.309855] irq_exit+0x17f/0x1c0 [ 223.313314] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.318173] ? smp_reschedule_interrupt+0x109/0x650 [ 223.323190] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.329077] ? interrupt_entry+0xb5/0xf0 [ 223.333138] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.338158] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.343179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.348027] ? trace_hardirqs_off+0x300/0x300 [ 223.352525] ? trace_hardirqs_off+0x300/0x300 [ 223.357021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.362564] ? check_preemption_disabled+0x48/0x200 [ 223.367577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.373126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.377977] apic_timer_interrupt+0xf/0x20 [ 223.382207] [ 223.384451] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 223.389386] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 223.408287] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 223.415999] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 223.423263] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 223.430528] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 223.437794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 223.445059] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 223.452385] skb_clone+0x1bb/0x500 [ 223.455931] ? finish_task_switch+0x1b5/0x900 [ 223.460432] ? skb_split+0x11e0/0x11e0 [ 223.464320] ? preempt_notifier_register+0x200/0x200 [ 223.469432] ? __switch_to_asm+0x34/0x70 [ 223.473491] ? __switch_to_asm+0x34/0x70 [ 223.477549] ? __switch_to_asm+0x40/0x70 [ 223.481606] ? __switch_to_asm+0x34/0x70 [ 223.485664] ? __switch_to_asm+0x40/0x70 [ 223.489725] ? __switch_to_asm+0x34/0x70 [ 223.493788] ? __switch_to_asm+0x40/0x70 [ 223.497847] ? __switch_to_asm+0x34/0x70 [ 223.501907] ? __switch_to_asm+0x34/0x70 [ 223.505965] ? __switch_to_asm+0x40/0x70 [ 223.510023] ? __switch_to_asm+0x34/0x70 [ 223.514095] bpf_clone_redirect+0xb9/0x490 [ 223.518333] ? __schedule+0x874/0x1ed0 [ 223.522244] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 223.527281] ? __sched_text_start+0x8/0x8 [ 223.531432] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.536203] ? find_held_lock+0x36/0x1c0 [ 223.540272] ? lock_acquire+0x1ed/0x520 [ 223.544251] ? bpf_test_run+0x32e/0x5a0 [ 223.548228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.553770] ? check_preemption_disabled+0x48/0x200 [ 223.558794] ? kasan_check_read+0x11/0x20 [ 223.562951] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.568233] ? rcu_bh_qs+0xc0/0xc0 [ 223.571781] ? preempt_schedule+0x4d/0x60 [ 223.575929] ? ___preempt_schedule+0x16/0x18 [ 223.580361] ? bpf_test_run+0x1c0/0x5a0 [ 223.584366] ? netlink_diag_dump+0x2a0/0x2a0 [ 223.588781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.594321] ? bpf_test_init.isra.9+0x70/0x100 [ 223.598924] ? bpf_prog_test_run_skb+0x634/0xb40 [ 223.603687] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.608619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.614157] ? fput+0x130/0x1a0 [ 223.617437] ? __bpf_prog_get+0x9b/0x290 [ 223.621503] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.626358] ? bpf_prog_test_run+0x130/0x1a0 [ 223.630774] ? __x64_sys_bpf+0x3d8/0x510 [ 223.634840] ? bpf_prog_get+0x20/0x20 [ 223.638648] ? ksys_ioctl+0x81/0xd0 [ 223.642289] ? do_syscall_64+0x1b9/0x820 [ 223.646364] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.651733] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.656668] ? trace_hardirqs_off+0x300/0x300 [ 223.661167] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.666185] ? recalc_sigpending_tsk+0x180/0x180 [ 223.670945] ? kasan_check_write+0x14/0x20 [ 223.675186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.680041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.685429] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 223.685635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.692364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.692373] Call Trace: [ 223.699043] syz-executor0: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.708210] [ 223.710782] syz-executor0 cpuset= [ 223.721277] dump_stack+0x1c4/0x2b4 [ 223.723404] syz0 [ 223.726883] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.730490] mems_allowed=0 [ 223.732466] warn_alloc.cold.118+0xb7/0x1bd [ 223.744847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.749704] ? lock_downgrade+0x900/0x900 [ 223.753865] ? trace_hardirqs_off+0xb8/0x300 [ 223.758279] ? trace_hardirqs_off+0xb8/0x300 [ 223.762699] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.767575] ? warn_alloc+0x120/0x120 [ 223.771382] ? trace_hardirqs_on+0x310/0x310 [ 223.775793] ? warn_alloc+0x120/0x120 [ 223.779600] ? print_usage_bug+0xc0/0xc0 [ 223.783666] ? warn_alloc+0x120/0x120 [ 223.787465] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 223.792480] ? print_usage_bug+0xc0/0xc0 [ 223.796543] ? __lock_acquire+0x7ec/0x4ec0 [ 223.800776] ? __lock_acquire+0x7ec/0x4ec0 [ 223.805012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.810553] ? should_fail+0x22d/0xd01 [ 223.814446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.819552] ? __lock_acquire+0x7ec/0x4ec0 [ 223.823790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.828893] ? __lock_acquire+0x7ec/0x4ec0 [ 223.833128] ? should_fail+0x22d/0xd01 [ 223.837011] ? print_usage_bug+0xc0/0xc0 [ 223.841081] ? mark_held_locks+0x130/0x130 [ 223.845322] ? mark_held_locks+0x130/0x130 [ 223.849577] ? graph_lock+0x170/0x170 [ 223.853381] ? print_usage_bug+0xc0/0xc0 [ 223.857441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.862200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.867744] ? check_preemption_disabled+0x48/0x200 [ 223.872759] ? check_preemption_disabled+0x48/0x200 [ 223.877785] ? __lock_is_held+0xb5/0x140 [ 223.881863] __alloc_pages_nodemask+0xa80/0xde0 [ 223.886535] ? graph_lock+0x170/0x170 [ 223.890348] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.895367] ? graph_lock+0x170/0x170 [ 223.899185] ? find_held_lock+0x36/0x1c0 [ 223.903260] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.907929] ? lock_downgrade+0x900/0x900 [ 223.912084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.917633] cache_grow_begin+0x91/0x8c0 [ 223.921701] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.926118] fallback_alloc+0x203/0x2e0 [ 223.930100] ____cache_alloc_node+0x1c7/0x1e0 [ 223.934606] kmem_cache_alloc_node+0xe3/0x730 [ 223.939105] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.943363] __alloc_skb+0x119/0x770 [ 223.947098] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.952386] ? skb_scrub_packet+0x490/0x490 [ 223.956710] ? lock_downgrade+0x900/0x900 [ 223.960872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.966411] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.971875] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.977328] ? addrconf_rs_timer+0x6f0/0x6f0 [ 223.981768] ndisc_alloc_skb+0x144/0x340 [ 223.985839] ndisc_send_rs+0x331/0x6e0 [ 223.989740] addrconf_rs_timer+0x3c0/0x6f0 [ 223.993981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.998231] call_timer_fn+0x272/0x920 [ 224.002121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.006367] ? process_timeout+0x40/0x40 [ 224.010432] ? find_held_lock+0x36/0x1c0 [ 224.014501] ? mark_held_locks+0xc7/0x130 [ 224.018654] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.023148] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.027645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.031883] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.036470] ? trace_hardirqs_on+0xbd/0x310 [ 224.040794] ? kasan_check_read+0x11/0x20 [ 224.044943] ? __run_timers+0x7da/0xc70 [ 224.048921] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.054387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.058630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.062887] __run_timers+0x7e5/0xc70 [ 224.066709] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.072078] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.077093] ? graph_lock+0x170/0x170 [ 224.080918] ? print_usage_bug+0xc0/0xc0 [ 224.084979] ? lock_release+0x970/0x970 [ 224.088958] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.094154] ? find_held_lock+0x36/0x1c0 [ 224.098231] ? graph_lock+0x170/0x170 [ 224.102038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.107578] ? check_preemption_disabled+0x48/0x200 [ 224.112608] ? __lock_is_held+0xb5/0x140 [ 224.116669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.122209] ? check_preemption_disabled+0x48/0x200 [ 224.127234] run_timer_softirq+0x52/0xb0 [ 224.131294] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.136312] __do_softirq+0x30b/0xad8 [ 224.140134] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.145273] ? pvclock_read_flags+0x160/0x160 [ 224.149769] ? lapic_next_event+0x5a/0x90 [ 224.153926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.159468] ? check_preemption_disabled+0x48/0x200 [ 224.164488] ? check_preemption_disabled+0x48/0x200 [ 224.169518] ? kvm_clock_read+0x18/0x30 [ 224.173491] ? kvm_sched_clock_read+0x9/0x20 [ 224.177905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.183442] ? check_preemption_disabled+0x48/0x200 [ 224.188471] irq_exit+0x17f/0x1c0 [ 224.191930] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.196775] ? smp_reschedule_interrupt+0x109/0x650 [ 224.201797] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.207686] ? interrupt_entry+0xb5/0xf0 [ 224.211754] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.216769] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.221786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.226629] ? trace_hardirqs_off+0x300/0x300 [ 224.231122] ? trace_hardirqs_off+0x300/0x300 [ 224.235623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.241165] ? check_preemption_disabled+0x48/0x200 [ 224.246183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.251730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.256583] apic_timer_interrupt+0xf/0x20 [ 224.260813] [ 224.263054] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 224.268332] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 224.287247] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 224.294957] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 224.302225] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 224.309490] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 224.316949] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 224.324214] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 224.331506] ? arch_local_irq_restore+0x45/0x52 [ 224.336182] dump_stack+0x26a/0x2b4 [ 224.339815] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.345008] ? mark_held_locks+0x130/0x130 [ 224.349239] ? mark_held_locks+0x130/0x130 [ 224.353482] dump_header+0x27b/0xf72 [ 224.357211] ? pagefault_out_of_memory+0x197/0x197 [ 224.362149] ? mark_held_locks+0x130/0x130 [ 224.366471] ? __lock_acquire+0x7ec/0x4ec0 [ 224.370705] ? mem_cgroup_charge_statistics+0x780/0x780 [ 224.376070] ? print_usage_bug+0xc0/0xc0 [ 224.380132] ? print_usage_bug+0xc0/0xc0 [ 224.384199] ? graph_lock+0x170/0x170 [ 224.388000] ? graph_lock+0x170/0x170 [ 224.391805] ? print_usage_bug+0xc0/0xc0 [ 224.395873] ? print_usage_bug+0xc0/0xc0 [ 224.399944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.405491] ? find_held_lock+0x36/0x1c0 [ 224.409559] ? mark_held_locks+0xc7/0x130 [ 224.413712] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 224.418813] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 224.423918] ? lockdep_hardirqs_on+0x421/0x5c0 [ 224.428502] ? trace_hardirqs_on+0xbd/0x310 [ 224.432823] ? kasan_check_read+0x11/0x20 [ 224.436979] ? ___ratelimit+0x36f/0x655 [ 224.440956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.446917] ? trace_hardirqs_on+0x310/0x310 [ 224.451330] ? lock_downgrade+0x900/0x900 [ 224.455494] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.460602] ? ___ratelimit+0xaa/0x655 [ 224.464491] ? idr_get_free+0xec0/0xec0 [ 224.468465] ? kasan_check_write+0x14/0x20 [ 224.472702] ? do_raw_spin_lock+0xc1/0x200 [ 224.476943] oom_kill_process.cold.27+0x10/0x903 [ 224.481699] ? graph_lock+0x170/0x170 [ 224.485500] ? _raw_spin_unlock+0x2c/0x50 [ 224.489647] ? oom_badness+0xe6/0xaa0 [ 224.493456] ? oom_evaluate_task+0x540/0x540 [ 224.497875] ? find_held_lock+0x36/0x1c0 [ 224.501944] ? out_of_memory+0x974/0x14c0 [ 224.506097] ? lock_downgrade+0x900/0x900 [ 224.510248] ? check_preemption_disabled+0x48/0x200 [ 224.515272] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.521071] ? kasan_check_read+0x11/0x20 [ 224.525219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.530497] ? rcu_bh_qs+0xc0/0xc0 [ 224.534040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.539056] ? oom_evaluate_task+0x302/0x540 [ 224.543474] out_of_memory+0xa86/0x14c0 [ 224.547460] ? oom_killer_disable+0x3a0/0x3a0 [ 224.551962] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 224.556900] ? __mutex_add_waiter+0x2a0/0x2a0 [ 224.561408] __alloc_pages_slowpath+0x2318/0x2d80 [ 224.566286] ? warn_alloc+0x120/0x120 [ 224.570101] ? find_get_entry+0x2f2/0xc40 [ 224.574260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.579805] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 224.584741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.590282] ? should_fail+0x22d/0xd01 [ 224.594176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.599281] ? __lock_is_held+0xb5/0x140 [ 224.603379] ? __lock_is_held+0xb5/0x140 [ 224.607457] ? find_held_lock+0x36/0x1c0 [ 224.611525] ? ___might_sleep+0x1ed/0x300 [ 224.615675] ? lock_release+0x970/0x970 [ 224.619655] ? arch_local_save_flags+0x40/0x40 [ 224.624252] ? __might_sleep+0x95/0x190 [ 224.628237] __alloc_pages_nodemask+0xa80/0xde0 [ 224.632916] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.637939] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.643739] ? kasan_check_read+0x11/0x20 [ 224.647888] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.653167] ? graph_lock+0x170/0x170 [ 224.656973] ? print_usage_bug+0xc0/0xc0 [ 224.661040] ? graph_lock+0x170/0x170 [ 224.664842] ? graph_lock+0x170/0x170 [ 224.668651] ? __do_page_cache_readahead+0x7ce/0x980 [ 224.673758] ? find_held_lock+0x36/0x1c0 [ 224.677824] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 224.683377] alloc_pages_current+0x10c/0x210 [ 224.687785] ? lock_downgrade+0x900/0x900 [ 224.691941] __page_cache_alloc+0x38f/0x5b0 [ 224.696266] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.702068] ? kasan_check_read+0x11/0x20 [ 224.706218] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.711502] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 224.716171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.721711] ? check_preemption_disabled+0x48/0x200 [ 224.726735] filemap_fault+0x1594/0x25f0 [ 224.730814] ? __lock_page_or_retry+0xa00/0xa00 [ 224.735484] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.741285] ? kasan_check_read+0x11/0x20 [ 224.745438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.750717] ? rcu_bh_qs+0xc0/0xc0 [ 224.754277] ? filemap_map_pages+0xdea/0x1980 [ 224.758796] ? find_get_pages_range_tag+0x1320/0x1320 [ 224.763990] ? do_raw_spin_lock+0xc1/0x200 [ 224.768225] ? graph_lock+0x170/0x170 [ 224.772031] ? futex_wait_setup+0x266/0x3e0 [ 224.776384] ? lock_acquire+0x1ed/0x520 [ 224.780367] ? ext4_filemap_fault+0x7a/0xad [ 224.784700] ? lock_release+0x970/0x970 [ 224.788677] ? arch_local_save_flags+0x40/0x40 [ 224.793265] ? futex_wait_setup+0x3e0/0x3e0 [ 224.797586] ? print_usage_bug+0xc0/0xc0 [ 224.801665] ? down_read+0xb0/0x1d0 [ 224.805289] ? ext4_filemap_fault+0x7a/0xad [ 224.809612] ? __down_interruptible+0x700/0x700 [ 224.814292] ? find_held_lock+0x36/0x1c0 [ 224.818376] ext4_filemap_fault+0x82/0xad [ 224.822528] __do_fault+0x100/0x6b0 [ 224.826161] ? lock_downgrade+0x900/0x900 [ 224.830312] ? print_bad_pte+0x6c0/0x6c0 [ 224.834382] ? do_futex+0x249/0x26d0 [ 224.838101] ? kasan_check_read+0x11/0x20 [ 224.842251] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.846666] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 224.851255] ? add_mm_counter_fast+0xd0/0xd0 [ 224.855678] __handle_mm_fault+0x3709/0x53e0 [ 224.860097] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 224.864944] ? __fpu__restore_sig+0x62f/0x1680 [ 224.869526] ? graph_lock+0x170/0x170 [ 224.873329] ? print_usage_bug+0xc0/0xc0 [ 224.877405] ? graph_lock+0x170/0x170 [ 224.881207] ? graph_lock+0x170/0x170 [ 224.885010] ? graph_lock+0x170/0x170 [ 224.888832] ? handle_mm_fault+0x42a/0xc70 [ 224.893074] ? lock_downgrade+0x900/0x900 [ 224.897223] ? check_preemption_disabled+0x48/0x200 [ 224.902249] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.908045] ? kasan_check_read+0x11/0x20 [ 224.912196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.917477] ? rcu_bh_qs+0xc0/0xc0 [ 224.921018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.926475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.932013] ? check_preemption_disabled+0x48/0x200 [ 224.937039] handle_mm_fault+0x54f/0xc70 [ 224.941104] ? __handle_mm_fault+0x53e0/0x53e0 [ 224.945692] ? find_vma+0x34/0x190 [ 224.949238] __do_page_fault+0x67d/0xed0 [ 224.953326] ? mm_fault_error+0x380/0x380 [ 224.957481] ? trace_hardirqs_off+0xb8/0x300 [ 224.961892] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.967254] ? trace_hardirqs_on+0x310/0x310 [ 224.971668] do_page_fault+0xf2/0x7e0 [ 224.975472] ? vmalloc_sync_all+0x30/0x30 [ 224.979625] ? error_entry+0x70/0xd0 [ 224.983349] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.988372] ? trace_hardirqs_on_caller+0xc0/0x300 [ 224.993302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.998232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.003078] ? trace_hardirqs_off+0x300/0x300 [ 225.007572] ? trace_hardirqs_off_caller+0x300/0x300 [ 225.012680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.018216] ? prepare_exit_to_usermode+0x291/0x3b0 [ 225.023235] ? page_fault+0x8/0x30 [ 225.026782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.031626] ? page_fault+0x8/0x30 [ 225.035168] page_fault+0x1e/0x30 [ 225.038624] RIP: 0033:0x407e06 [ 225.041821] Code: Bad RIP value. [ 225.045187] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 225.050552] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 225.057819] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 225.065087] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 225.072360] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 225.079628] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 225.086928] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 225.086934] warn_alloc_show_mem: 1 callbacks suppressed [ 225.086941] Mem-Info: [ 225.094127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.099494] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 225.099494] active_file:16 inactive_file:17 isolated_file:1 [ 225.099494] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.099494] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 225.099494] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 225.099494] free:13718 free_pcp:223 free_cma:0 [ 225.101868] Call Trace: [ 225.111254] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.144094] [ 225.146664] Node 0 [ 225.174338] dump_stack+0x1c4/0x2b4 [ 225.176501] 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 [ 225.178708] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.182308] lowmem_reserve[]: [ 225.207818] warn_alloc.cold.118+0xb7/0x1bd [ 225.212970] 0 [ 225.216071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.220369] 2817 [ 225.222164] ? lock_downgrade+0x900/0x900 [ 225.226972] 6321 6321 [ 225.229040] ? trace_hardirqs_off+0xb8/0x300 [ 225.233158] Node 0 [ 225.235650] ? trace_hardirqs_off+0xb8/0x300 [ 225.240054] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 225.242264] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.246637] lowmem_reserve[]: 0 [ 225.273396] ? warn_alloc+0x120/0x120 [ 225.278184] 0 [ 225.281457] ? mark_held_locks+0x130/0x130 [ 225.285232] 3503 [ 225.287032] ? warn_alloc+0x120/0x120 [ 225.291232] 3503 [ 225.293295] ? print_usage_bug+0xc0/0xc0 [ 225.297154] Node 0 [ 225.299210] ? warn_alloc+0x120/0x120 [ 225.303272] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 225.305473] ? print_usage_bug+0xc0/0xc0 [ 225.309240] lowmem_reserve[]: 0 [ 225.338063] ? run_posix_cpu_timers+0x6b7/0x2540 [ 225.338087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.342122] 0 [ 225.345399] ? should_fail+0x22d/0xd01 [ 225.350129] 0 [ 225.355663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.357433] 0 [ 225.361325] ? __lock_acquire+0x7ec/0x4ec0 [ 225.363100] Node 0 [ 225.368196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.369963] DMA: 1*4kB [ 225.374203] ? __lock_acquire+0x7ec/0x4ec0 [ 225.376418] (U) [ 225.381513] ? should_fail+0x22d/0xd01 [ 225.381539] ? mark_held_locks+0x130/0x130 [ 225.384096] 0*8kB [ 225.388327] ? mark_held_locks+0x130/0x130 [ 225.390283] 0*16kB [ 225.394161] ? __lock_acquire+0x7ec/0x4ec0 [ 225.398372] 1*32kB [ 225.400515] ? graph_lock+0x170/0x170 [ 225.404722] (U) [ 225.406952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.411160] 2*64kB [ 225.413396] ? check_preemption_disabled+0x48/0x200 [ 225.417168] (U) [ 225.419140] ? check_preemption_disabled+0x48/0x200 [ 225.424644] 1*128kB (U) [ 225.426887] ? __lock_is_held+0xb5/0x140 [ 225.431870] 1*256kB (U) [ 225.433853] __alloc_pages_nodemask+0xa80/0xde0 [ 225.438846] 0*512kB [ 225.441511] ? graph_lock+0x170/0x170 [ 225.445541] 1*1024kB (U) [ 225.448214] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.452851] 1*2048kB (M) [ 225.455183] ? graph_lock+0x170/0x170 [ 225.458952] 3*4096kB (M) [ 225.461716] ? find_held_lock+0x36/0x1c0 [ 225.466691] = 15908kB [ 225.466700] Node 0 [ 225.469456] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.473224] DMA32: [ 225.475973] ? lock_downgrade+0x900/0x900 [ 225.480008] 2*4kB [ 225.482413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.484614] (M) 0*8kB [ 225.489288] cache_grow_begin+0x91/0x8c0 [ 225.491494] 3*16kB (M) [ 225.495645] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.497763] 1*32kB (M) [ 225.503302] fallback_alloc+0x203/0x2e0 [ 225.505766] 2*64kB (M) [ 225.509831] ____cache_alloc_node+0x1c7/0x1e0 [ 225.512380] 4*128kB (UM) [ 225.516791] __kmalloc+0x208/0x760 [ 225.519366] 3*256kB [ 225.523336] ? __neigh_create+0x30b/0x2130 [ 225.525897] (UM) [ 225.530391] __neigh_create+0x30b/0x2130 [ 225.533116] 4*512kB (UM) [ 225.536659] ? trace_hardirqs_on+0xbd/0x310 [ 225.538951] 3*1024kB (M) [ 225.543190] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 225.545230] 3*2048kB [ 225.549287] ? ip6t_do_table+0xd9e/0x1d30 [ 225.552016] (UM) [ 225.556336] ? mark_held_locks+0x130/0x130 [ 225.559064] 3*4096kB (M) [ 225.564603] ? __local_bh_enable_ip+0x160/0x260 [ 225.566978] = 25048kB [ 225.566986] Node 0 [ 225.571130] ? neigh_hash_alloc+0x1e0/0x1e0 [ 225.573159] Normal: 865*4kB [ 225.577401] ? graph_lock+0x170/0x170 [ 225.580133] (UMEH) [ 225.584794] ? ip6t_do_table+0xd9e/0x1d30 [ 225.584812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.587199] 401*8kB [ 225.589429] ? trace_hardirqs_on+0xbd/0x310 [ 225.593724] (UMEH) [ 225.596735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.600506] 165*16kB (UMEH) [ 225.602749] ? ip6t_do_table+0xd6a/0x1d30 [ 225.606876] 83*32kB [ 225.612317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.614614] (UMEH) [ 225.618930] ? check_preemption_disabled+0x48/0x200 [ 225.621137] 31*64kB [ 225.626667] ? check_preemption_disabled+0x48/0x200 [ 225.629658] (UMH) [ 225.633802] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 225.636097] 0*128kB [ 225.641631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.643840] 0*256kB [ 225.648848] ? rcu_pm_notify+0xc0/0xc0 [ 225.651155] 0*512kB [ 225.656180] ? graph_lock+0x170/0x170 [ 225.658297] 0*1024kB 0*2048kB [ 225.663836] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 225.666127] 0*4096kB = 13948kB [ 225.671411] ip6_finish_output2+0xa59/0x27a0 [ 225.673713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.677593] ? ip6_copy_metadata+0xe30/0xe30 [ 225.679907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.683693] ? ip6_mtu+0x39c/0x520 [ 225.686868] 413 total pagecache pages [ 225.692050] ? lock_downgrade+0x900/0x900 [ 225.695225] 0 pages in swap cache [ 225.699618] ? check_preemption_disabled+0x48/0x200 [ 225.708423] Swap cache stats: add 0, delete 0, find 0/0 [ 225.708432] Free swap = 0kB [ 225.712836] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 225.721375] Total swap = 0kB [ 225.721383] 1965979 pages RAM [ 225.724918] ? kasan_check_read+0x11/0x20 [ 225.728681] 0 pages HighMem/MovableOnly [ 225.728690] 342744 pages reserved [ 225.732834] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.736258] 0 pages cma reserved [ 225.741265] ? rcu_bh_qs+0xc0/0xc0 [ 225.746663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.749626] ? ip6_mtu+0x160/0x520 [ 225.755477] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.758406] ? dst_hold+0x2f0/0x2f0 [ 225.761493] syz-fuzzer cpuset= [ 225.765640] ? kasan_check_read+0x11/0x20 [ 225.769584] / [ 225.773035] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.778286] mems_allowed=0 [ 225.781643] ? nf_nat_ipv6_out+0x212/0x550 [ 225.830392] ip6_finish_output+0x5fe/0xbc0 [ 225.834631] ? ip6_finish_output+0x5fe/0xbc0 [ 225.839049] ip6_output+0x23e/0xa00 [ 225.842681] ? check_preemption_disabled+0x48/0x200 [ 225.847702] ? ip6_finish_output+0xbc0/0xbc0 [ 225.852116] ? ip6_fragment+0x38c0/0x38c0 [ 225.856269] ? __lock_is_held+0xb5/0x140 [ 225.860364] ndisc_send_skb+0x1005/0x1570 [ 225.864523] ? ndisc_constructor+0xc40/0xc40 [ 225.868936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.874477] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.879952] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.885419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.890969] ndisc_send_rs+0x134/0x6e0 [ 225.894864] addrconf_rs_timer+0x3c0/0x6f0 [ 225.899106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.903370] call_timer_fn+0x272/0x920 [ 225.907263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.911502] ? process_timeout+0x40/0x40 [ 225.915560] ? find_held_lock+0x36/0x1c0 [ 225.919635] ? __run_timers+0x7da/0xc70 [ 225.923616] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.928113] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.932614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.936849] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.941433] ? trace_hardirqs_on+0xbd/0x310 [ 225.945756] ? kasan_check_read+0x11/0x20 [ 225.949907] ? __run_timers+0x7da/0xc70 [ 225.953884] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.959340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.963615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.967854] __run_timers+0x7e5/0xc70 [ 225.971672] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.977036] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.982052] ? graph_lock+0x170/0x170 [ 225.985856] ? enqueue_hrtimer+0x1a5/0x560 [ 225.990090] ? lock_release+0x970/0x970 [ 225.994068] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.999264] ? find_held_lock+0x36/0x1c0 [ 226.003330] ? graph_lock+0x170/0x170 [ 226.007142] ? pvclock_read_flags+0x160/0x160 [ 226.011641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.017185] ? check_preemption_disabled+0x48/0x200 [ 226.022214] ? __lock_is_held+0xb5/0x140 [ 226.026276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.031813] ? check_preemption_disabled+0x48/0x200 [ 226.036841] run_timer_softirq+0x52/0xb0 [ 226.040907] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.045927] __do_softirq+0x30b/0xad8 [ 226.049743] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.054853] ? pvclock_read_flags+0x160/0x160 [ 226.059366] ? lapic_next_event+0x5a/0x90 [ 226.063516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.069056] ? check_preemption_disabled+0x48/0x200 [ 226.074075] ? check_preemption_disabled+0x48/0x200 [ 226.079099] ? kvm_clock_read+0x18/0x30 [ 226.083078] ? kvm_sched_clock_read+0x9/0x20 [ 226.087493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.093036] ? check_preemption_disabled+0x48/0x200 [ 226.098065] irq_exit+0x17f/0x1c0 [ 226.101527] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.106383] ? smp_reschedule_interrupt+0x109/0x650 [ 226.111402] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.117287] ? interrupt_entry+0xb5/0xf0 [ 226.121365] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.126389] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.131407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.136254] ? trace_hardirqs_off+0x300/0x300 [ 226.140748] ? trace_hardirqs_off+0x300/0x300 [ 226.145248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.150787] ? check_preemption_disabled+0x48/0x200 [ 226.155803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.161361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.166219] apic_timer_interrupt+0xf/0x20 [ 226.170447] [ 226.172688] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.177623] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 226.196523] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 226.204232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 226.211497] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 226.218761] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 226.226029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 226.233295] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 226.240612] skb_clone+0x1bb/0x500 [ 226.244156] ? finish_task_switch+0x1b5/0x900 [ 226.248656] ? skb_split+0x11e0/0x11e0 [ 226.252544] ? preempt_notifier_register+0x200/0x200 [ 226.257644] ? __switch_to_asm+0x34/0x70 [ 226.261703] ? __switch_to_asm+0x34/0x70 [ 226.265761] ? __switch_to_asm+0x40/0x70 [ 226.269819] ? __switch_to_asm+0x34/0x70 [ 226.273881] ? __switch_to_asm+0x40/0x70 [ 226.277944] ? __switch_to_asm+0x34/0x70 [ 226.282002] ? __switch_to_asm+0x40/0x70 [ 226.286062] ? __switch_to_asm+0x34/0x70 [ 226.290120] ? __switch_to_asm+0x34/0x70 [ 226.294180] ? __switch_to_asm+0x40/0x70 [ 226.298242] ? __switch_to_asm+0x34/0x70 [ 226.302321] bpf_clone_redirect+0xb9/0x490 [ 226.306573] ? __schedule+0x874/0x1ed0 [ 226.310468] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 226.315942] ? __sched_text_start+0x8/0x8 [ 226.320092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.324862] ? find_held_lock+0x36/0x1c0 [ 226.328948] ? lock_acquire+0x1ed/0x520 [ 226.332925] ? bpf_test_run+0x32e/0x5a0 [ 226.336904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.342444] ? check_preemption_disabled+0x48/0x200 [ 226.347472] ? kasan_check_read+0x11/0x20 [ 226.351628] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.356909] ? rcu_bh_qs+0xc0/0xc0 [ 226.360450] ? preempt_schedule+0x4d/0x60 [ 226.364598] ? ___preempt_schedule+0x16/0x18 [ 226.369021] ? bpf_test_run+0x1c0/0x5a0 [ 226.373008] ? netlink_diag_dump+0x2a0/0x2a0 [ 226.377419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.382955] ? bpf_test_init.isra.9+0x70/0x100 [ 226.387541] ? bpf_prog_test_run_skb+0x634/0xb40 [ 226.392304] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.397151] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.402685] ? fput+0x130/0x1a0 [ 226.405965] ? __bpf_prog_get+0x9b/0x290 [ 226.410031] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.414871] ? bpf_prog_test_run+0x130/0x1a0 [ 226.419287] ? __x64_sys_bpf+0x3d8/0x510 [ 226.423360] ? bpf_prog_get+0x20/0x20 [ 226.427197] ? ksys_ioctl+0x81/0xd0 [ 226.430842] ? do_syscall_64+0x1b9/0x820 [ 226.434904] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.440268] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.445396] ? trace_hardirqs_off+0x300/0x300 [ 226.449897] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.454912] ? recalc_sigpending_tsk+0x180/0x180 [ 226.459671] ? kasan_check_write+0x14/0x20 [ 226.463918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.468769] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.474155] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 226.474453] syz-executor0: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.481094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.491566] syz-executor0 cpuset= [ 226.500905] Call Trace: [ 226.500916] syz0 [ 226.504367] [ 226.506943] mems_allowed=0 [ 226.508908] dump_stack+0x1c4/0x2b4 [ 226.517566] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.522777] warn_alloc.cold.118+0xb7/0x1bd [ 226.527104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.531951] ? lock_downgrade+0x900/0x900 [ 226.536112] ? trace_hardirqs_off+0xb8/0x300 [ 226.540530] ? trace_hardirqs_off+0xb8/0x300 [ 226.544964] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.549843] ? warn_alloc+0x120/0x120 [ 226.553654] ? trace_hardirqs_on+0x310/0x310 [ 226.558064] ? warn_alloc+0x120/0x120 [ 226.561872] ? print_usage_bug+0xc0/0xc0 [ 226.565934] ? warn_alloc+0x120/0x120 [ 226.569738] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 226.574756] ? print_usage_bug+0xc0/0xc0 [ 226.578826] ? __lock_acquire+0x7ec/0x4ec0 [ 226.583063] ? __lock_acquire+0x7ec/0x4ec0 [ 226.587300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.592837] ? should_fail+0x22d/0xd01 [ 226.596741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.601845] ? __lock_acquire+0x7ec/0x4ec0 [ 226.606094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.611198] ? __lock_acquire+0x7ec/0x4ec0 [ 226.615435] ? should_fail+0x22d/0xd01 [ 226.619323] ? print_usage_bug+0xc0/0xc0 [ 226.623422] ? mark_held_locks+0x130/0x130 [ 226.627668] ? mark_held_locks+0x130/0x130 [ 226.631913] ? graph_lock+0x170/0x170 [ 226.635712] ? print_usage_bug+0xc0/0xc0 [ 226.639773] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.644532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.650075] ? check_preemption_disabled+0x48/0x200 [ 226.655092] ? check_preemption_disabled+0x48/0x200 [ 226.660123] ? __lock_is_held+0xb5/0x140 [ 226.664190] __alloc_pages_nodemask+0xa80/0xde0 [ 226.668865] ? graph_lock+0x170/0x170 [ 226.672672] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.677685] ? graph_lock+0x170/0x170 [ 226.681496] ? find_held_lock+0x36/0x1c0 [ 226.685568] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.690237] ? lock_downgrade+0x900/0x900 [ 226.694399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.699951] cache_grow_begin+0x91/0x8c0 [ 226.704016] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.708436] fallback_alloc+0x203/0x2e0 [ 226.712418] ____cache_alloc_node+0x1c7/0x1e0 [ 226.716921] kmem_cache_alloc_node+0xe3/0x730 [ 226.721430] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.725680] __alloc_skb+0x119/0x770 [ 226.729399] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.734688] ? skb_scrub_packet+0x490/0x490 [ 226.739014] ? lock_downgrade+0x900/0x900 [ 226.743173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.748719] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.754180] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.759634] ? addrconf_rs_timer+0x6f0/0x6f0 [ 226.764062] ndisc_alloc_skb+0x144/0x340 [ 226.768134] ndisc_send_rs+0x331/0x6e0 [ 226.772034] addrconf_rs_timer+0x3c0/0x6f0 [ 226.776277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.780549] call_timer_fn+0x272/0x920 [ 226.784440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.788684] ? process_timeout+0x40/0x40 [ 226.792744] ? find_held_lock+0x36/0x1c0 [ 226.796818] ? mark_held_locks+0xc7/0x130 [ 226.800972] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.805467] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.809961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.814199] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.818788] ? trace_hardirqs_on+0xbd/0x310 [ 226.823111] ? kasan_check_read+0x11/0x20 [ 226.827261] ? __run_timers+0x7da/0xc70 [ 226.831240] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.836703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.840943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.845181] __run_timers+0x7e5/0xc70 [ 226.848998] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.854373] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.859393] ? graph_lock+0x170/0x170 [ 226.863204] ? print_usage_bug+0xc0/0xc0 [ 226.867263] ? lock_release+0x970/0x970 [ 226.871239] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.876437] ? find_held_lock+0x36/0x1c0 [ 226.880503] ? graph_lock+0x170/0x170 [ 226.884308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.889851] ? check_preemption_disabled+0x48/0x200 [ 226.894889] ? __lock_is_held+0xb5/0x140 [ 226.898952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.904490] ? check_preemption_disabled+0x48/0x200 [ 226.909522] run_timer_softirq+0x52/0xb0 [ 226.913590] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.918612] __do_softirq+0x30b/0xad8 [ 226.922430] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.927543] ? pvclock_read_flags+0x160/0x160 [ 226.932037] ? lapic_next_event+0x5a/0x90 [ 226.936186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.941724] ? check_preemption_disabled+0x48/0x200 [ 226.946744] ? check_preemption_disabled+0x48/0x200 [ 226.951770] ? kvm_clock_read+0x18/0x30 [ 226.955747] ? kvm_sched_clock_read+0x9/0x20 [ 226.960161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.965702] ? check_preemption_disabled+0x48/0x200 [ 226.970732] irq_exit+0x17f/0x1c0 [ 226.974189] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.979037] ? smp_reschedule_interrupt+0x109/0x650 [ 226.984059] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.989947] ? interrupt_entry+0xb5/0xf0 [ 226.994010] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.999071] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.004088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.008933] ? trace_hardirqs_off+0x300/0x300 [ 227.013429] ? trace_hardirqs_off+0x300/0x300 [ 227.017925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.023463] ? check_preemption_disabled+0x48/0x200 [ 227.028477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.034024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.038881] apic_timer_interrupt+0xf/0x20 [ 227.043108] [ 227.045359] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 227.050638] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 227.069535] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 227.077245] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 227.084515] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 227.091783] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 227.099048] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 227.106317] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 227.113619] ? arch_local_irq_restore+0x45/0x52 [ 227.118298] dump_stack+0x26a/0x2b4 [ 227.121931] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.127130] ? mark_held_locks+0x130/0x130 [ 227.131378] ? mark_held_locks+0x130/0x130 [ 227.135620] dump_header+0x27b/0xf72 [ 227.139359] ? pagefault_out_of_memory+0x197/0x197 [ 227.144295] ? mark_held_locks+0x130/0x130 [ 227.148529] ? __lock_acquire+0x7ec/0x4ec0 [ 227.152769] ? mem_cgroup_charge_statistics+0x780/0x780 [ 227.158133] ? print_usage_bug+0xc0/0xc0 [ 227.162196] ? print_usage_bug+0xc0/0xc0 [ 227.166263] ? graph_lock+0x170/0x170 [ 227.170064] ? graph_lock+0x170/0x170 [ 227.173871] ? print_usage_bug+0xc0/0xc0 [ 227.177933] ? print_usage_bug+0xc0/0xc0 [ 227.182004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.187551] ? find_held_lock+0x36/0x1c0 [ 227.191624] ? mark_held_locks+0xc7/0x130 [ 227.195775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 227.200887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 227.205991] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.210578] ? trace_hardirqs_on+0xbd/0x310 [ 227.214901] ? kasan_check_read+0x11/0x20 [ 227.219048] ? ___ratelimit+0x36f/0x655 [ 227.223026] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.228479] ? trace_hardirqs_on+0x310/0x310 [ 227.232891] ? lock_downgrade+0x900/0x900 [ 227.237046] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.242156] ? ___ratelimit+0xaa/0x655 [ 227.246050] ? idr_get_free+0xec0/0xec0 [ 227.250026] ? kasan_check_write+0x14/0x20 [ 227.254264] ? do_raw_spin_lock+0xc1/0x200 [ 227.258513] oom_kill_process.cold.27+0x10/0x903 [ 227.263272] ? graph_lock+0x170/0x170 [ 227.267076] ? _raw_spin_unlock+0x2c/0x50 [ 227.271222] ? oom_badness+0xe6/0xaa0 [ 227.275030] ? oom_evaluate_task+0x540/0x540 [ 227.279445] ? find_held_lock+0x36/0x1c0 [ 227.283513] ? out_of_memory+0x974/0x14c0 [ 227.287660] ? lock_downgrade+0x900/0x900 [ 227.291809] ? check_preemption_disabled+0x48/0x200 [ 227.296832] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.302638] ? kasan_check_read+0x11/0x20 [ 227.306790] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.312072] ? rcu_bh_qs+0xc0/0xc0 [ 227.315623] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.320639] ? oom_evaluate_task+0x302/0x540 [ 227.325053] out_of_memory+0xa86/0x14c0 [ 227.329039] ? oom_killer_disable+0x3a0/0x3a0 [ 227.333538] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 227.338481] ? __mutex_add_waiter+0x2a0/0x2a0 [ 227.342989] __alloc_pages_slowpath+0x2318/0x2d80 [ 227.347874] ? warn_alloc+0x120/0x120 [ 227.351692] ? find_get_entry+0x2f2/0xc40 [ 227.355849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.361395] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 227.366323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.371877] ? should_fail+0x22d/0xd01 [ 227.375775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.380886] ? __lock_is_held+0xb5/0x140 [ 227.384977] ? __lock_is_held+0xb5/0x140 [ 227.389054] ? find_held_lock+0x36/0x1c0 [ 227.393120] ? ___might_sleep+0x1ed/0x300 [ 227.397265] ? lock_release+0x970/0x970 [ 227.401243] ? arch_local_save_flags+0x40/0x40 [ 227.405843] ? __might_sleep+0x95/0x190 [ 227.409835] __alloc_pages_nodemask+0xa80/0xde0 [ 227.414523] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.419543] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.425351] ? kasan_check_read+0x11/0x20 [ 227.429504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.434787] ? graph_lock+0x170/0x170 [ 227.438593] ? print_usage_bug+0xc0/0xc0 [ 227.442661] ? graph_lock+0x170/0x170 [ 227.446464] ? graph_lock+0x170/0x170 [ 227.450269] ? __do_page_cache_readahead+0x7ce/0x980 [ 227.455383] ? find_held_lock+0x36/0x1c0 [ 227.459454] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 227.464999] alloc_pages_current+0x10c/0x210 [ 227.469410] ? lock_downgrade+0x900/0x900 [ 227.473568] __page_cache_alloc+0x38f/0x5b0 [ 227.477895] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.483694] ? kasan_check_read+0x11/0x20 [ 227.487844] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.493130] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 227.497805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.503357] ? check_preemption_disabled+0x48/0x200 [ 227.508395] filemap_fault+0x1594/0x25f0 [ 227.512474] ? __lock_page_or_retry+0xa00/0xa00 [ 227.517144] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.523030] ? kasan_check_read+0x11/0x20 [ 227.527186] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.532468] ? rcu_bh_qs+0xc0/0xc0 [ 227.536023] ? filemap_map_pages+0xdea/0x1980 [ 227.540537] ? find_get_pages_range_tag+0x1320/0x1320 [ 227.545735] ? do_raw_spin_lock+0xc1/0x200 [ 227.549971] ? graph_lock+0x170/0x170 [ 227.553782] ? futex_wait_setup+0x266/0x3e0 [ 227.558125] ? lock_acquire+0x1ed/0x520 [ 227.562101] ? ext4_filemap_fault+0x7a/0xad [ 227.566431] ? lock_release+0x970/0x970 [ 227.570409] ? arch_local_save_flags+0x40/0x40 [ 227.574994] ? futex_wait_setup+0x3e0/0x3e0 [ 227.579312] ? print_usage_bug+0xc0/0xc0 [ 227.583397] ? down_read+0xb0/0x1d0 [ 227.587024] ? ext4_filemap_fault+0x7a/0xad [ 227.591356] ? __down_interruptible+0x700/0x700 [ 227.596039] ? find_held_lock+0x36/0x1c0 [ 227.600106] ext4_filemap_fault+0x82/0xad [ 227.604258] __do_fault+0x100/0x6b0 [ 227.607887] ? lock_downgrade+0x900/0x900 [ 227.612035] ? print_bad_pte+0x6c0/0x6c0 [ 227.616096] ? do_futex+0x249/0x26d0 [ 227.619819] ? kasan_check_read+0x11/0x20 [ 227.623973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.628386] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 227.632973] ? add_mm_counter_fast+0xd0/0xd0 [ 227.637396] __handle_mm_fault+0x3709/0x53e0 [ 227.641818] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 227.646659] ? __fpu__restore_sig+0x62f/0x1680 [ 227.651240] ? graph_lock+0x170/0x170 [ 227.655044] ? print_usage_bug+0xc0/0xc0 [ 227.659104] ? graph_lock+0x170/0x170 [ 227.662906] ? graph_lock+0x170/0x170 [ 227.666706] ? graph_lock+0x170/0x170 [ 227.670528] ? handle_mm_fault+0x42a/0xc70 [ 227.674768] ? lock_downgrade+0x900/0x900 [ 227.678917] ? check_preemption_disabled+0x48/0x200 [ 227.683943] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.689741] ? kasan_check_read+0x11/0x20 [ 227.693893] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.699172] ? rcu_bh_qs+0xc0/0xc0 [ 227.702715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.708167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.713709] ? check_preemption_disabled+0x48/0x200 [ 227.718734] handle_mm_fault+0x54f/0xc70 [ 227.722804] ? __handle_mm_fault+0x53e0/0x53e0 [ 227.727395] ? find_vma+0x34/0x190 [ 227.730940] __do_page_fault+0x67d/0xed0 [ 227.735015] ? mm_fault_error+0x380/0x380 [ 227.739164] ? trace_hardirqs_off+0xb8/0x300 [ 227.743573] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.748937] ? trace_hardirqs_on+0x310/0x310 [ 227.753367] do_page_fault+0xf2/0x7e0 [ 227.757172] ? vmalloc_sync_all+0x30/0x30 [ 227.761323] ? error_entry+0x70/0xd0 [ 227.765045] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.770063] ? trace_hardirqs_on_caller+0xc0/0x300 [ 227.774993] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.779923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.784769] ? trace_hardirqs_off+0x300/0x300 [ 227.789263] ? trace_hardirqs_off_caller+0x300/0x300 [ 227.794376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.799923] ? prepare_exit_to_usermode+0x291/0x3b0 [ 227.804941] ? page_fault+0x8/0x30 [ 227.808484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.813334] ? page_fault+0x8/0x30 [ 227.816895] page_fault+0x1e/0x30 [ 227.820357] RIP: 0033:0x407e06 [ 227.823558] Code: Bad RIP value. [ 227.826921] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 227.832283] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 227.839549] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 227.846818] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 227.854086] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 227.861356] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 227.868670] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 227.868676] warn_alloc_show_mem: 1 callbacks suppressed [ 227.868683] Mem-Info: [ 227.875867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.875877] Call Trace: [ 227.881253] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 227.881253] active_file:16 inactive_file:17 isolated_file:1 [ 227.881253] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.881253] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 227.881253] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 227.881253] free:13718 free_pcp:223 free_cma:0 [ 227.883627] [ 227.892995] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.895577] dump_stack+0x1c4/0x2b4 [ 227.928497] Node 0 [ 227.930655] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.958328] 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 [ 227.961947] warn_alloc.cold.118+0xb7/0x1bd [ 227.964137] lowmem_reserve[]: 0 [ 227.969334] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.994838] 2817 6321 [ 227.999181] ? lock_downgrade+0x900/0x900 [ 228.002433] 6321 [ 228.007276] ? trace_hardirqs_off+0xb8/0x300 [ 228.013898] ? trace_hardirqs_off+0xb8/0x300 [ 228.015931] Node 0 [ 228.020338] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.024746] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 228.026978] ? warn_alloc+0x120/0x120 [ 228.031761] lowmem_reserve[]: 0 [ 228.058517] ? warn_alloc+0x120/0x120 [ 228.062296] 0 [ 228.065573] ? print_usage_bug+0xc0/0xc0 [ 228.069339] 3503 3503 [ 228.071163] ? warn_alloc+0x120/0x120 [ 228.075197] Node 0 [ 228.077696] ? print_usage_bug+0xc0/0xc0 [ 228.081494] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 228.083701] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.087735] lowmem_reserve[]: [ 228.116107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.121265] 0 [ 228.124377] ? should_fail+0x22d/0xd01 [ 228.129878] 0 0 [ 228.131686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.135542] 0 [ 228.137521] ? __lock_acquire+0x7ec/0x4ec0 [ 228.142597] Node 0 [ 228.144397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.148595] DMA: 1*4kB [ 228.150835] ? __lock_acquire+0x7ec/0x4ec0 [ 228.155915] (U) [ 228.158492] ? should_fail+0x22d/0xd01 [ 228.162698] 0*8kB [ 228.164676] ? mark_held_locks+0x130/0x130 [ 228.168528] 0*16kB [ 228.170688] ? mark_held_locks+0x130/0x130 [ 228.174890] 1*32kB (U) [ 228.177131] ? graph_lock+0x170/0x170 [ 228.181341] 2*64kB [ 228.183931] ? graph_lock+0x170/0x170 [ 228.187695] (U) 1*128kB [ 228.189938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.193702] (U) 1*256kB [ 228.196389] ? check_preemption_disabled+0x48/0x200 [ 228.201893] (U) 0*512kB [ 228.204568] ? check_preemption_disabled+0x48/0x200 [ 228.209553] 1*1024kB (U) [ 228.212234] ? __lock_is_held+0xb5/0x140 [ 228.217215] 1*2048kB (M) [ 228.219981] __alloc_pages_nodemask+0xa80/0xde0 [ 228.224008] 3*4096kB (M) [ 228.226770] ? graph_lock+0x170/0x170 [ 228.231414] = 15908kB [ 228.234163] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.237937] Node 0 [ 228.240337] ? graph_lock+0x170/0x170 [ 228.245423] DMA32: [ 228.247663] ? find_held_lock+0x36/0x1c0 [ 228.251435] 2*4kB [ 228.253668] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.257694] (M) [ 228.259837] ? lock_downgrade+0x900/0x900 [ 228.264479] 0*8kB [ 228.266452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.270564] 3*16kB (M) [ 228.272721] cache_grow_begin+0x91/0x8c0 [ 228.278227] 1*32kB [ 228.280805] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.284832] (M) 2*64kB [ 228.287081] fallback_alloc+0x203/0x2e0 [ 228.291459] (M) [ 228.294044] ____cache_alloc_node+0x1c7/0x1e0 [ 228.297985] 4*128kB (UM) [ 228.299965] __kmalloc+0x208/0x760 [ 228.304432] 3*256kB [ 228.307185] ? __neigh_create+0x30b/0x2130 [ 228.310699] (UM) [ 228.313414] __neigh_create+0x30b/0x2130 [ 228.317628] 4*512kB [ 228.319689] ? trace_hardirqs_on+0xbd/0x310 [ 228.323720] (UM) [ 228.326042] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.330327] 3*1024kB (M) [ 228.332408] ? ip6t_do_table+0xd9e/0x1d30 [ 228.337917] 3*2048kB [ 228.340680] ? mark_held_locks+0x130/0x130 [ 228.344793] (UM) [ 228.347201] ? __local_bh_enable_ip+0x160/0x260 [ 228.351407] 3*4096kB (M) [ 228.353481] ? neigh_hash_alloc+0x1e0/0x1e0 [ 228.358120] = 25048kB [ 228.360870] ? graph_lock+0x170/0x170 [ 228.360889] ? ip6t_do_table+0xd9e/0x1d30 [ 228.365186] Node 0 [ 228.367594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.371377] Normal: [ 228.375518] ? trace_hardirqs_on+0xbd/0x310 [ 228.377728] 865*4kB [ 228.383175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.385474] (UMEH) [ 228.389792] ? ip6t_do_table+0xd6a/0x1d30 [ 228.392082] 401*8kB (UMEH) [ 228.397622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.399827] 165*16kB (UMEH) [ 228.403984] ? check_preemption_disabled+0x48/0x200 [ 228.406893] 83*32kB [ 228.412423] ? check_preemption_disabled+0x48/0x200 [ 228.415408] (UMEH) 31*64kB [ 228.420438] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 228.422730] (UMH) [ 228.427742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.430646] 0*128kB [ 228.436174] ? rcu_pm_notify+0xc0/0xc0 [ 228.438293] 0*256kB 0*512kB [ 228.443577] ? graph_lock+0x170/0x170 [ 228.446140] 0*1024kB 0*2048kB [ 228.450751] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 228.453742] 0*4096kB [ 228.457543] ip6_finish_output2+0xa59/0x27a0 [ 228.460706] = 13948kB [ 228.465895] ? ip6_copy_metadata+0xe30/0xe30 [ 228.468283] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.472674] ? ip6_mtu+0x39c/0x520 [ 228.475068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.479463] ? lock_downgrade+0x900/0x900 [ 228.488273] 413 total pagecache pages [ 228.491803] ? check_preemption_disabled+0x48/0x200 [ 228.491827] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 228.500381] 0 pages in swap cache [ 228.504518] ? kasan_check_read+0x11/0x20 [ 228.508291] Swap cache stats: add 0, delete 0, find 0/0 [ 228.513298] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.519062] Free swap = 0kB [ 228.519071] Total swap = 0kB [ 228.522515] ? rcu_bh_qs+0xc0/0xc0 [ 228.526638] 1965979 pages RAM [ 228.532003] ? ip6_mtu+0x160/0x520 [ 228.537250] 0 pages HighMem/MovableOnly [ 228.540266] ? kasan_check_read+0x11/0x20 [ 228.543251] 342744 pages reserved [ 228.543259] 0 pages cma reserved [ 228.546797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.549940] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.553410] ? nf_nat_ipv6_out+0x212/0x550 [ 228.553431] ip6_finish_output+0x5fe/0xbc0 [ 228.557471] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.561523] ? ip6_finish_output+0x5fe/0xbc0 [ 228.564952] syz-fuzzer cpuset= [ 228.568313] ip6_output+0x23e/0xa00 [ 228.573563] / [ 228.580053] ? check_preemption_disabled+0x48/0x200 [ 228.584260] mems_allowed=0 [ 228.588484] ? ip6_finish_output+0xbc0/0xbc0 [ 228.623878] ? ip6_fragment+0x38c0/0x38c0 [ 228.628032] ? __lock_is_held+0xb5/0x140 [ 228.632108] ndisc_send_skb+0x1005/0x1570 [ 228.636268] ? ndisc_constructor+0xc40/0xc40 [ 228.640685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.646227] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.651685] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.657162] ndisc_send_rs+0x134/0x6e0 [ 228.661065] addrconf_rs_timer+0x3c0/0x6f0 [ 228.665311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.669566] call_timer_fn+0x272/0x920 [ 228.673454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.677693] ? process_timeout+0x40/0x40 [ 228.681751] ? find_held_lock+0x36/0x1c0 [ 228.685826] ? __run_timers+0x7da/0xc70 [ 228.689803] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.694299] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.698796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.703033] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.707624] ? trace_hardirqs_on+0xbd/0x310 [ 228.711945] ? kasan_check_read+0x11/0x20 [ 228.716094] ? __run_timers+0x7da/0xc70 [ 228.720073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.725537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.729784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.734019] __run_timers+0x7e5/0xc70 [ 228.737839] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.743206] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.748227] ? graph_lock+0x170/0x170 [ 228.752034] ? enqueue_hrtimer+0x1a5/0x560 [ 228.756267] ? lock_release+0x970/0x970 [ 228.760252] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.765455] ? find_held_lock+0x36/0x1c0 [ 228.769526] ? graph_lock+0x170/0x170 [ 228.773327] ? pvclock_read_flags+0x160/0x160 [ 228.777833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.783381] ? check_preemption_disabled+0x48/0x200 [ 228.788416] ? __lock_is_held+0xb5/0x140 [ 228.792480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.798026] ? check_preemption_disabled+0x48/0x200 [ 228.803050] run_timer_softirq+0x52/0xb0 [ 228.807111] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.812133] __do_softirq+0x30b/0xad8 [ 228.815951] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.821059] ? pvclock_read_flags+0x160/0x160 [ 228.825556] ? lapic_next_event+0x5a/0x90 [ 228.829710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.835250] ? check_preemption_disabled+0x48/0x200 [ 228.840266] ? check_preemption_disabled+0x48/0x200 [ 228.845297] ? kvm_clock_read+0x18/0x30 [ 228.849277] ? kvm_sched_clock_read+0x9/0x20 [ 228.853687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.859233] ? check_preemption_disabled+0x48/0x200 [ 228.864266] irq_exit+0x17f/0x1c0 [ 228.867725] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.872572] ? smp_reschedule_interrupt+0x109/0x650 [ 228.877592] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.883480] ? interrupt_entry+0xb5/0xf0 [ 228.887544] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.892582] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.897601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.902448] ? trace_hardirqs_off+0x300/0x300 [ 228.906948] ? trace_hardirqs_off+0x300/0x300 [ 228.911454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.917000] ? check_preemption_disabled+0x48/0x200 [ 228.922017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.927568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.932425] apic_timer_interrupt+0xf/0x20 [ 228.936659] [ 228.938904] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.943837] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 228.962765] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 228.970484] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 228.977767] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 228.985039] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 228.992307] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 228.999592] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.006918] skb_clone+0x1bb/0x500 [ 229.010466] ? finish_task_switch+0x1b5/0x900 [ 229.014971] ? skb_split+0x11e0/0x11e0 [ 229.018863] ? preempt_notifier_register+0x200/0x200 [ 229.023971] ? __switch_to_asm+0x34/0x70 [ 229.028031] ? __switch_to_asm+0x34/0x70 [ 229.032089] ? __switch_to_asm+0x40/0x70 [ 229.036152] ? __switch_to_asm+0x34/0x70 [ 229.040211] ? __switch_to_asm+0x40/0x70 [ 229.044273] ? __switch_to_asm+0x34/0x70 [ 229.048338] ? __switch_to_asm+0x40/0x70 [ 229.052443] ? __switch_to_asm+0x34/0x70 [ 229.056512] ? __switch_to_asm+0x34/0x70 [ 229.060571] ? __switch_to_asm+0x40/0x70 [ 229.064635] ? __switch_to_asm+0x34/0x70 [ 229.068712] bpf_clone_redirect+0xb9/0x490 [ 229.072952] ? __schedule+0x874/0x1ed0 [ 229.076848] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 229.081872] ? __sched_text_start+0x8/0x8 [ 229.086023] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.090793] ? find_held_lock+0x36/0x1c0 [ 229.094865] ? lock_acquire+0x1ed/0x520 [ 229.098847] ? bpf_test_run+0x32e/0x5a0 [ 229.102828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.108383] ? check_preemption_disabled+0x48/0x200 [ 229.113409] ? kasan_check_read+0x11/0x20 [ 229.117561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.122843] ? rcu_bh_qs+0xc0/0xc0 [ 229.126393] ? preempt_schedule+0x4d/0x60 [ 229.130556] ? ___preempt_schedule+0x16/0x18 [ 229.134974] ? bpf_test_run+0x1c0/0x5a0 [ 229.138959] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.143386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.148925] ? bpf_test_init.isra.9+0x70/0x100 [ 229.153517] ? bpf_prog_test_run_skb+0x634/0xb40 [ 229.158286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.163135] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.168673] ? fput+0x130/0x1a0 [ 229.171961] ? __bpf_prog_get+0x9b/0x290 [ 229.176032] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.180879] ? bpf_prog_test_run+0x130/0x1a0 [ 229.185295] ? __x64_sys_bpf+0x3d8/0x510 [ 229.189370] ? bpf_prog_get+0x20/0x20 [ 229.193186] ? ksys_ioctl+0x81/0xd0 [ 229.196830] ? do_syscall_64+0x1b9/0x820 [ 229.200893] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.206262] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.211193] ? trace_hardirqs_off+0x300/0x300 [ 229.215694] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.220714] ? recalc_sigpending_tsk+0x180/0x180 [ 229.225478] ? kasan_check_write+0x14/0x20 [ 229.229725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.234578] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.239971] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 229.240158] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.246906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.257381] syz-executor0 cpuset= [ 229.266719] Call Trace: [ 229.266729] syz0 [ 229.270165] [ 229.272733] mems_allowed=0 [ 229.274698] dump_stack+0x1c4/0x2b4 [ 229.283373] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.288585] warn_alloc.cold.118+0xb7/0x1bd [ 229.292913] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.297762] ? lock_downgrade+0x900/0x900 [ 229.301919] ? trace_hardirqs_off+0xb8/0x300 [ 229.306337] ? trace_hardirqs_off+0xb8/0x300 [ 229.310767] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.315654] ? warn_alloc+0x120/0x120 [ 229.319459] ? trace_hardirqs_on+0x310/0x310 [ 229.323878] ? warn_alloc+0x120/0x120 [ 229.327685] ? print_usage_bug+0xc0/0xc0 [ 229.331747] ? warn_alloc+0x120/0x120 [ 229.335546] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 229.340563] ? print_usage_bug+0xc0/0xc0 [ 229.344634] ? __lock_acquire+0x7ec/0x4ec0 [ 229.348873] ? __lock_acquire+0x7ec/0x4ec0 [ 229.353113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.358654] ? should_fail+0x22d/0xd01 [ 229.362568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.367675] ? __lock_acquire+0x7ec/0x4ec0 [ 229.371922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.377025] ? __lock_acquire+0x7ec/0x4ec0 [ 229.381262] ? should_fail+0x22d/0xd01 [ 229.385153] ? print_usage_bug+0xc0/0xc0 [ 229.389227] ? mark_held_locks+0x130/0x130 [ 229.393472] ? mark_held_locks+0x130/0x130 [ 229.397720] ? graph_lock+0x170/0x170 [ 229.401522] ? print_usage_bug+0xc0/0xc0 [ 229.405588] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.410356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.415911] ? check_preemption_disabled+0x48/0x200 [ 229.420935] ? check_preemption_disabled+0x48/0x200 [ 229.425967] ? __lock_is_held+0xb5/0x140 [ 229.430038] __alloc_pages_nodemask+0xa80/0xde0 [ 229.434710] ? graph_lock+0x170/0x170 [ 229.438520] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.443534] ? graph_lock+0x170/0x170 [ 229.447355] ? find_held_lock+0x36/0x1c0 [ 229.451430] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.456104] ? lock_downgrade+0x900/0x900 [ 229.460262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.465826] cache_grow_begin+0x91/0x8c0 [ 229.469897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.474320] fallback_alloc+0x203/0x2e0 [ 229.478313] ____cache_alloc_node+0x1c7/0x1e0 [ 229.482824] kmem_cache_alloc_node+0xe3/0x730 [ 229.487328] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.491585] __alloc_skb+0x119/0x770 [ 229.495305] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.500676] ? skb_scrub_packet+0x490/0x490 [ 229.504998] ? lock_downgrade+0x900/0x900 [ 229.509154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.514692] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.520150] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.525606] ? addrconf_rs_timer+0x6f0/0x6f0 [ 229.530029] ndisc_alloc_skb+0x144/0x340 [ 229.534100] ndisc_send_rs+0x331/0x6e0 [ 229.537996] addrconf_rs_timer+0x3c0/0x6f0 [ 229.542239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.546491] call_timer_fn+0x272/0x920 [ 229.550389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.554633] ? process_timeout+0x40/0x40 [ 229.558697] ? find_held_lock+0x36/0x1c0 [ 229.562769] ? mark_held_locks+0xc7/0x130 [ 229.566925] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.571420] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.575918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.580158] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.584746] ? trace_hardirqs_on+0xbd/0x310 [ 229.589069] ? kasan_check_read+0x11/0x20 [ 229.593221] ? __run_timers+0x7da/0xc70 [ 229.597205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.602669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.606911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.611151] __run_timers+0x7e5/0xc70 [ 229.614970] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.620341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.625381] ? graph_lock+0x170/0x170 [ 229.629190] ? print_usage_bug+0xc0/0xc0 [ 229.633249] ? lock_release+0x970/0x970 [ 229.637228] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.642434] ? find_held_lock+0x36/0x1c0 [ 229.646507] ? graph_lock+0x170/0x170 [ 229.650317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.655872] ? check_preemption_disabled+0x48/0x200 [ 229.660910] ? __lock_is_held+0xb5/0x140 [ 229.664982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.670528] ? check_preemption_disabled+0x48/0x200 [ 229.675561] run_timer_softirq+0x52/0xb0 [ 229.679624] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.684646] __do_softirq+0x30b/0xad8 [ 229.688463] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.693574] ? pvclock_read_flags+0x160/0x160 [ 229.698077] ? lapic_next_event+0x5a/0x90 [ 229.702230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.707775] ? check_preemption_disabled+0x48/0x200 [ 229.712798] ? check_preemption_disabled+0x48/0x200 [ 229.717824] ? kvm_clock_read+0x18/0x30 [ 229.721809] ? kvm_sched_clock_read+0x9/0x20 [ 229.726233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.731781] ? check_preemption_disabled+0x48/0x200 [ 229.736818] irq_exit+0x17f/0x1c0 [ 229.740279] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.745128] ? smp_reschedule_interrupt+0x109/0x650 [ 229.750156] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.756045] ? interrupt_entry+0xb5/0xf0 [ 229.760111] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.765127] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.770148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.774998] ? trace_hardirqs_off+0x300/0x300 [ 229.779519] ? trace_hardirqs_off+0x300/0x300 [ 229.784017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.789563] ? check_preemption_disabled+0x48/0x200 [ 229.794585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.800134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.804988] apic_timer_interrupt+0xf/0x20 [ 229.809216] [ 229.811457] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 229.816734] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 229.835728] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 229.843438] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 229.850705] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 229.857972] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 229.865241] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 229.872510] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 229.879808] ? arch_local_irq_restore+0x45/0x52 [ 229.884514] dump_stack+0x26a/0x2b4 [ 229.888151] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.893355] ? mark_held_locks+0x130/0x130 [ 229.897593] ? mark_held_locks+0x130/0x130 [ 229.901835] dump_header+0x27b/0xf72 [ 229.905569] ? pagefault_out_of_memory+0x197/0x197 [ 229.910503] ? mark_held_locks+0x130/0x130 [ 229.914737] ? __lock_acquire+0x7ec/0x4ec0 [ 229.918973] ? mem_cgroup_charge_statistics+0x780/0x780 [ 229.924336] ? print_usage_bug+0xc0/0xc0 [ 229.928409] ? print_usage_bug+0xc0/0xc0 [ 229.932477] ? graph_lock+0x170/0x170 [ 229.936276] ? graph_lock+0x170/0x170 [ 229.940079] ? print_usage_bug+0xc0/0xc0 [ 229.944139] ? print_usage_bug+0xc0/0xc0 [ 229.948211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.953758] ? find_held_lock+0x36/0x1c0 [ 229.957833] ? mark_held_locks+0xc7/0x130 [ 229.961992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 229.967096] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 229.972205] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.976803] ? trace_hardirqs_on+0xbd/0x310 [ 229.981127] ? kasan_check_read+0x11/0x20 [ 229.985276] ? ___ratelimit+0x36f/0x655 [ 229.989252] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.994708] ? trace_hardirqs_on+0x310/0x310 [ 229.999118] ? lock_downgrade+0x900/0x900 [ 230.003279] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.008388] ? ___ratelimit+0xaa/0x655 [ 230.012286] ? idr_get_free+0xec0/0xec0 [ 230.016271] ? kasan_check_write+0x14/0x20 [ 230.020521] ? do_raw_spin_lock+0xc1/0x200 [ 230.024772] oom_kill_process.cold.27+0x10/0x903 [ 230.029540] ? graph_lock+0x170/0x170 [ 230.033356] ? _raw_spin_unlock+0x2c/0x50 [ 230.037514] ? oom_badness+0xe6/0xaa0 [ 230.041322] ? oom_evaluate_task+0x540/0x540 [ 230.045745] ? find_held_lock+0x36/0x1c0 [ 230.049818] ? out_of_memory+0x974/0x14c0 [ 230.053968] ? lock_downgrade+0x900/0x900 [ 230.058119] ? check_preemption_disabled+0x48/0x200 [ 230.063149] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.068953] ? kasan_check_read+0x11/0x20 [ 230.073106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.078387] ? rcu_bh_qs+0xc0/0xc0 [ 230.081938] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.086954] ? oom_evaluate_task+0x302/0x540 [ 230.091374] out_of_memory+0xa86/0x14c0 [ 230.095367] ? oom_killer_disable+0x3a0/0x3a0 [ 230.099871] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 230.104810] ? __mutex_add_waiter+0x2a0/0x2a0 [ 230.109321] __alloc_pages_slowpath+0x2318/0x2d80 [ 230.114210] ? warn_alloc+0x120/0x120 [ 230.118025] ? find_get_entry+0x2f2/0xc40 [ 230.122187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.127728] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 230.132659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.138201] ? should_fail+0x22d/0xd01 [ 230.142098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.147202] ? __lock_is_held+0xb5/0x140 [ 230.151290] ? __lock_is_held+0xb5/0x140 [ 230.155370] ? find_held_lock+0x36/0x1c0 [ 230.159442] ? ___might_sleep+0x1ed/0x300 [ 230.163594] ? lock_release+0x970/0x970 [ 230.167577] ? arch_local_save_flags+0x40/0x40 [ 230.172175] ? __might_sleep+0x95/0x190 [ 230.176162] __alloc_pages_nodemask+0xa80/0xde0 [ 230.180841] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.185873] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.191677] ? kasan_check_read+0x11/0x20 [ 230.195826] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.201113] ? graph_lock+0x170/0x170 [ 230.204918] ? print_usage_bug+0xc0/0xc0 [ 230.208983] ? graph_lock+0x170/0x170 [ 230.212785] ? graph_lock+0x170/0x170 [ 230.216586] ? __do_page_cache_readahead+0x7ce/0x980 [ 230.221700] ? find_held_lock+0x36/0x1c0 [ 230.225773] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 230.231315] alloc_pages_current+0x10c/0x210 [ 230.235822] ? lock_downgrade+0x900/0x900 [ 230.239979] __page_cache_alloc+0x38f/0x5b0 [ 230.244304] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.250107] ? kasan_check_read+0x11/0x20 [ 230.254264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.259552] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 230.264224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.269769] ? check_preemption_disabled+0x48/0x200 [ 230.274800] filemap_fault+0x1594/0x25f0 [ 230.278888] ? __lock_page_or_retry+0xa00/0xa00 [ 230.283566] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.289375] ? kasan_check_read+0x11/0x20 [ 230.293533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.298817] ? rcu_bh_qs+0xc0/0xc0 [ 230.302383] ? filemap_map_pages+0xdea/0x1980 [ 230.306908] ? find_get_pages_range_tag+0x1320/0x1320 [ 230.312107] ? do_raw_spin_lock+0xc1/0x200 [ 230.316612] ? graph_lock+0x170/0x170 [ 230.320419] ? futex_wait_setup+0x266/0x3e0 [ 230.324768] ? lock_acquire+0x1ed/0x520 [ 230.328748] ? ext4_filemap_fault+0x7a/0xad [ 230.333079] ? lock_release+0x970/0x970 [ 230.337054] ? arch_local_save_flags+0x40/0x40 [ 230.341641] ? futex_wait_setup+0x3e0/0x3e0 [ 230.345964] ? print_usage_bug+0xc0/0xc0 [ 230.350041] ? down_read+0xb0/0x1d0 [ 230.353669] ? ext4_filemap_fault+0x7a/0xad [ 230.357990] ? __down_interruptible+0x700/0x700 [ 230.362675] ? find_held_lock+0x36/0x1c0 [ 230.366771] ext4_filemap_fault+0x82/0xad [ 230.370932] __do_fault+0x100/0x6b0 [ 230.374563] ? lock_downgrade+0x900/0x900 [ 230.378717] ? print_bad_pte+0x6c0/0x6c0 [ 230.382783] ? do_futex+0x249/0x26d0 [ 230.386507] ? kasan_check_read+0x11/0x20 [ 230.390657] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.395070] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 230.399658] ? add_mm_counter_fast+0xd0/0xd0 [ 230.404078] __handle_mm_fault+0x3709/0x53e0 [ 230.408498] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 230.413353] ? __fpu__restore_sig+0x62f/0x1680 [ 230.417939] ? graph_lock+0x170/0x170 [ 230.421743] ? print_usage_bug+0xc0/0xc0 [ 230.425804] ? graph_lock+0x170/0x170 [ 230.429603] ? graph_lock+0x170/0x170 [ 230.433404] ? graph_lock+0x170/0x170 [ 230.437226] ? handle_mm_fault+0x42a/0xc70 [ 230.441463] ? lock_downgrade+0x900/0x900 [ 230.446138] ? check_preemption_disabled+0x48/0x200 [ 230.451164] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.456964] ? kasan_check_read+0x11/0x20 [ 230.461117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.466398] ? rcu_bh_qs+0xc0/0xc0 [ 230.469942] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.475398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.480943] ? check_preemption_disabled+0x48/0x200 [ 230.485974] handle_mm_fault+0x54f/0xc70 [ 230.490045] ? __handle_mm_fault+0x53e0/0x53e0 [ 230.494630] ? find_vma+0x34/0x190 [ 230.498183] __do_page_fault+0x67d/0xed0 [ 230.502260] ? mm_fault_error+0x380/0x380 [ 230.506417] ? trace_hardirqs_off+0xb8/0x300 [ 230.510831] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.516205] ? trace_hardirqs_on+0x310/0x310 [ 230.520621] do_page_fault+0xf2/0x7e0 [ 230.524427] ? vmalloc_sync_all+0x30/0x30 [ 230.528580] ? error_entry+0x70/0xd0 [ 230.532297] ? trace_hardirqs_off_caller+0xbb/0x300 [ 230.537318] ? trace_hardirqs_on_caller+0xc0/0x300 [ 230.542254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.547188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.552036] ? trace_hardirqs_off+0x300/0x300 [ 230.556530] ? trace_hardirqs_off_caller+0x300/0x300 [ 230.561638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.567180] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.572197] ? page_fault+0x8/0x30 [ 230.575743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.580625] ? page_fault+0x8/0x30 [ 230.584169] page_fault+0x1e/0x30 [ 230.587624] RIP: 0033:0x407e06 [ 230.590823] Code: Bad RIP value. [ 230.594189] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 230.599550] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 230.606821] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 230.614089] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 230.621365] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 230.628636] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 230.635937] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 230.635942] warn_alloc_show_mem: 1 callbacks suppressed [ 230.635950] Mem-Info: [ 230.643133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.643142] Call Trace: [ 230.648514] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 230.648514] active_file:16 inactive_file:17 isolated_file:1 [ 230.648514] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.648514] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 230.648514] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 230.648514] free:13718 free_pcp:223 free_cma:0 [ 230.650892] [ 230.660251] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.662829] dump_stack+0x1c4/0x2b4 [ 230.695708] Node 0 [ 230.697869] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.725645] 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 [ 230.729262] warn_alloc.cold.118+0xb7/0x1bd [ 230.731464] lowmem_reserve[]: [ 230.736654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.762128] 0 2817 [ 230.766467] ? lock_downgrade+0x900/0x900 [ 230.769543] 6321 [ 230.774395] ? trace_hardirqs_off+0xb8/0x300 [ 230.776597] 6321 [ 230.780753] ? trace_hardirqs_off+0xb8/0x300 [ 230.782788] Node 0 [ 230.787194] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.789247] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.793642] ? ndisc_send_skb+0x1005/0x1570 [ 230.795835] lowmem_reserve[]: [ 230.800674] ? warn_alloc+0x120/0x120 [ 230.827369] 0 0 [ 230.831709] ? warn_alloc+0x120/0x120 [ 230.834774] 3503 3503 [ 230.838579] ? print_usage_bug+0xc0/0xc0 [ 230.840527] Node 0 [ 230.844322] ? warn_alloc+0x120/0x120 [ 230.846817] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 230.850849] ? check_preemption_disabled+0x48/0x200 [ 230.853050] lowmem_reserve[]: 0 [ 230.856854] ? print_usage_bug+0xc0/0xc0 [ 230.885198] 0 0 [ 230.890228] ? __lock_acquire+0x7ec/0x4ec0 [ 230.893484] 0 [ 230.897544] ? __lock_acquire+0x7ec/0x4ec0 [ 230.903722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.905497] Node 0 [ 230.909729] ? should_fail+0x22d/0xd01 [ 230.915240] DMA: [ 230.917472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.921330] 1*4kB [ 230.923401] ? __lock_acquire+0x7ec/0x4ec0 [ 230.928475] (U) [ 230.930618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.934825] 0*8kB 0*16kB [ 230.936802] ? __lock_acquire+0x7ec/0x4ec0 [ 230.941892] 1*32kB [ 230.944644] ? should_fail+0x22d/0xd01 [ 230.948864] (U) [ 230.951095] ? mark_held_locks+0x130/0x130 [ 230.954943] 2*64kB (U) [ 230.956926] ? mark_held_locks+0x130/0x130 [ 230.961130] 1*128kB (U) [ 230.963717] ? ip6_finish_output2+0x1d75/0x27a0 [ 230.967923] 1*256kB [ 230.970587] ? __kfree_skb+0x20/0x20 [ 230.975227] (U) [ 230.977544] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.981259] 0*512kB 1*1024kB [ 230.983236] ? graph_lock+0x170/0x170 [ 230.987793] (U) [ 230.990896] ? print_usage_bug+0xc0/0xc0 [ 230.994663] 1*2048kB (M) [ 230.996642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.000674] 3*4096kB (M) [ 231.003445] ? check_preemption_disabled+0x48/0x200 [ 231.008953] = 15908kB [ 231.011708] ? check_preemption_disabled+0x48/0x200 [ 231.016696] Node 0 [ 231.019105] ? __lock_is_held+0xb5/0x140 [ 231.024086] DMA32: [ 231.026324] __alloc_pages_nodemask+0xa80/0xde0 [ 231.030367] 2*4kB [ 231.032596] ? graph_lock+0x170/0x170 [ 231.037244] (M) [ 231.039397] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.043175] 0*8kB [ 231.045145] ? graph_lock+0x170/0x170 [ 231.050136] 3*16kB [ 231.052287] ? find_held_lock+0x36/0x1c0 [ 231.056052] (M) [ 231.058288] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.062315] 1*32kB [ 231.064284] ? lock_downgrade+0x900/0x900 [ 231.068925] (M) [ 231.071166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.075279] 2*64kB (M) [ 231.077259] cache_grow_begin+0x91/0x8c0 [ 231.082759] 4*128kB (UM) [ 231.085364] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.089390] 3*256kB (UM) [ 231.092159] fallback_alloc+0x203/0x2e0 [ 231.096541] 4*512kB [ 231.099296] ____cache_alloc_node+0x1c7/0x1e0 [ 231.103233] (UM) 3*1024kB [ 231.105562] kmem_cache_alloc_node+0xe3/0x730 [ 231.110028] (M) [ 231.112869] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.117332] 3*2048kB (UM) [ 231.119328] __alloc_skb+0x119/0x770 [ 231.123524] 3*4096kB (M) [ 231.126388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.130069] = 25048kB [ 231.132821] ? skb_scrub_packet+0x490/0x490 [ 231.138069] Node 0 [ 231.140478] ? lock_downgrade+0x900/0x900 [ 231.144775] Normal: [ 231.147012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.151127] 865*4kB [ 231.153447] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.158958] (UMEH) [ 231.161281] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.166704] 401*8kB (UMEH) [ 231.168951] ? addrconf_rs_timer+0x6f0/0x6f0 [ 231.174379] 165*16kB (UMEH) [ 231.177326] ndisc_alloc_skb+0x144/0x340 [ 231.181714] 83*32kB [ 231.184737] ndisc_send_rs+0x331/0x6e0 [ 231.188761] (UMEH) 31*64kB [ 231.191102] addrconf_rs_timer+0x3c0/0x6f0 [ 231.194954] (UMH) 0*128kB [ 231.197896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.202100] 0*256kB [ 231.204953] call_timer_fn+0x272/0x920 [ 231.209152] 0*512kB [ 231.211471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.215326] 0*1024kB 0*2048kB [ 231.217675] ? process_timeout+0x40/0x40 [ 231.221883] 0*4096kB = 13948kB [ 231.225078] ? find_held_lock+0x36/0x1c0 [ 231.229119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.232304] ? __run_timers+0x7da/0xc70 [ 231.236597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.245424] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.249378] 413 total pagecache pages [ 231.257950] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.262428] 0 pages in swap cache [ 231.266218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.270687] Swap cache stats: add 0, delete 0, find 0/0 [ 231.274134] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.278334] Free swap = 0kB [ 231.278342] Total swap = 0kB [ 231.283716] ? trace_hardirqs_on+0xbd/0x310 [ 231.288271] 1965979 pages RAM [ 231.291290] ? kasan_check_read+0x11/0x20 [ 231.294272] 0 pages HighMem/MovableOnly [ 231.294281] 342744 pages reserved [ 231.298598] ? __run_timers+0x7da/0xc70 [ 231.301667] 0 pages cma reserved [ 231.301746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.305814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.305835] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.305854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.309880] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.313273] __run_timers+0x7e5/0xc70 [ 231.317210] syz-fuzzer cpuset= [ 231.320583] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.327036] / [ 231.332486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.336686] mems_allowed=0 [ 231.373068] ? graph_lock+0x170/0x170 [ 231.376884] ? enqueue_hrtimer+0x1a5/0x560 [ 231.381121] ? lock_release+0x970/0x970 [ 231.385109] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.390313] ? find_held_lock+0x36/0x1c0 [ 231.394395] ? graph_lock+0x170/0x170 [ 231.398208] ? pvclock_read_flags+0x160/0x160 [ 231.402706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.408252] ? check_preemption_disabled+0x48/0x200 [ 231.413285] ? __lock_is_held+0xb5/0x140 [ 231.417385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.422934] ? check_preemption_disabled+0x48/0x200 [ 231.427961] run_timer_softirq+0x52/0xb0 [ 231.432024] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.437046] __do_softirq+0x30b/0xad8 [ 231.440862] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.445973] ? pvclock_read_flags+0x160/0x160 [ 231.450483] ? lapic_next_event+0x5a/0x90 [ 231.454638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.460185] ? check_preemption_disabled+0x48/0x200 [ 231.465211] ? check_preemption_disabled+0x48/0x200 [ 231.470235] ? kvm_clock_read+0x18/0x30 [ 231.474211] ? kvm_sched_clock_read+0x9/0x20 [ 231.478623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.484168] ? check_preemption_disabled+0x48/0x200 [ 231.489197] irq_exit+0x17f/0x1c0 [ 231.492656] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.497501] ? smp_reschedule_interrupt+0x109/0x650 [ 231.502523] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.508409] ? interrupt_entry+0xb5/0xf0 [ 231.512477] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.517492] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.522513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.527373] ? trace_hardirqs_off+0x300/0x300 [ 231.531870] ? trace_hardirqs_off+0x300/0x300 [ 231.536382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.541930] ? check_preemption_disabled+0x48/0x200 [ 231.546955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.552500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.557370] apic_timer_interrupt+0xf/0x20 [ 231.561600] [ 231.563843] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.568774] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 231.587691] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.595402] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.602667] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 231.609936] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 231.617203] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.624468] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.631784] skb_clone+0x1bb/0x500 [ 231.635329] ? finish_task_switch+0x1b5/0x900 [ 231.639840] ? skb_split+0x11e0/0x11e0 [ 231.643747] ? preempt_notifier_register+0x200/0x200 [ 231.648849] ? __switch_to_asm+0x34/0x70 [ 231.652909] ? __switch_to_asm+0x34/0x70 [ 231.656970] ? __switch_to_asm+0x40/0x70 [ 231.661027] ? __switch_to_asm+0x34/0x70 [ 231.665089] ? __switch_to_asm+0x40/0x70 [ 231.669150] ? __switch_to_asm+0x34/0x70 [ 231.673211] ? __switch_to_asm+0x40/0x70 [ 231.677274] ? __switch_to_asm+0x34/0x70 [ 231.681337] ? __switch_to_asm+0x34/0x70 [ 231.685417] ? __switch_to_asm+0x40/0x70 [ 231.689505] ? __switch_to_asm+0x34/0x70 [ 231.693599] bpf_clone_redirect+0xb9/0x490 [ 231.697837] ? __schedule+0x874/0x1ed0 [ 231.701735] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 231.706767] ? __sched_text_start+0x8/0x8 [ 231.710921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.715695] ? find_held_lock+0x36/0x1c0 [ 231.719764] ? lock_acquire+0x1ed/0x520 [ 231.723763] ? bpf_test_run+0x32e/0x5a0 [ 231.727746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.733297] ? check_preemption_disabled+0x48/0x200 [ 231.738366] ? kasan_check_read+0x11/0x20 [ 231.742521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.747803] ? rcu_bh_qs+0xc0/0xc0 [ 231.751365] ? preempt_schedule+0x4d/0x60 [ 231.755551] ? ___preempt_schedule+0x16/0x18 [ 231.759968] ? bpf_test_run+0x1c0/0x5a0 [ 231.763956] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.768383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.773925] ? bpf_test_init.isra.9+0x70/0x100 [ 231.778513] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.783280] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.788125] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.793663] ? fput+0x130/0x1a0 [ 231.796951] ? __bpf_prog_get+0x9b/0x290 [ 231.801022] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.805871] ? bpf_prog_test_run+0x130/0x1a0 [ 231.810290] ? __x64_sys_bpf+0x3d8/0x510 [ 231.814371] ? bpf_prog_get+0x20/0x20 [ 231.818188] ? ksys_ioctl+0x81/0xd0 [ 231.821835] ? do_syscall_64+0x1b9/0x820 [ 231.825904] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.831278] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.836302] ? trace_hardirqs_off+0x300/0x300 [ 231.840802] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.845818] ? recalc_sigpending_tsk+0x180/0x180 [ 231.850582] ? kasan_check_write+0x14/0x20 [ 231.854825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.859681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.865073] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 231.865145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.872011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.872022] Call Trace: [ 231.878628] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.887850] [ 231.890425] syz-executor0 cpuset= [ 231.900909] dump_stack+0x1c4/0x2b4 [ 231.903031] syz0 [ 231.906482] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.910084] mems_allowed=0 [ 231.912060] warn_alloc.cold.118+0xb7/0x1bd [ 231.924459] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.929313] ? lock_downgrade+0x900/0x900 [ 231.933484] ? trace_hardirqs_off+0xb8/0x300 [ 231.937905] ? trace_hardirqs_off+0xb8/0x300 [ 231.942326] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.947212] ? warn_alloc+0x120/0x120 [ 231.951036] ? warn_alloc+0x120/0x120 [ 231.954845] ? print_usage_bug+0xc0/0xc0 [ 231.958913] ? warn_alloc+0x120/0x120 [ 231.962719] ? print_usage_bug+0xc0/0xc0 [ 231.966786] ? __lock_acquire+0x7ec/0x4ec0 [ 231.971021] ? __lock_acquire+0x7ec/0x4ec0 [ 231.975261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.980805] ? should_fail+0x22d/0xd01 [ 231.984698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.989803] ? __lock_acquire+0x7ec/0x4ec0 [ 231.994047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.999152] ? __lock_acquire+0x7ec/0x4ec0 [ 232.003388] ? should_fail+0x22d/0xd01 [ 232.007293] ? mark_held_locks+0x130/0x130 [ 232.011537] ? mark_held_locks+0x130/0x130 [ 232.015776] ? graph_lock+0x170/0x170 [ 232.019842] ? graph_lock+0x170/0x170 [ 232.023650] ? graph_lock+0x170/0x170 [ 232.027457] ? print_usage_bug+0xc0/0xc0 [ 232.031521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.037069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.042617] ? check_preemption_disabled+0x48/0x200 [ 232.047642] ? check_preemption_disabled+0x48/0x200 [ 232.052678] ? __lock_is_held+0xb5/0x140 [ 232.056753] __alloc_pages_nodemask+0xa80/0xde0 [ 232.061432] ? graph_lock+0x170/0x170 [ 232.065245] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.070267] ? graph_lock+0x170/0x170 [ 232.074090] ? find_held_lock+0x36/0x1c0 [ 232.078165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.082839] ? lock_downgrade+0x900/0x900 [ 232.087004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.092556] cache_grow_begin+0x91/0x8c0 [ 232.096628] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.101053] fallback_alloc+0x203/0x2e0 [ 232.105037] ____cache_alloc_node+0x1c7/0x1e0 [ 232.109542] kmem_cache_alloc_node+0xe3/0x730 [ 232.114038] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.118284] __alloc_skb+0x119/0x770 [ 232.122003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.127291] ? skb_scrub_packet+0x490/0x490 [ 232.131613] ? lock_downgrade+0x900/0x900 [ 232.135773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.141317] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.146781] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.152236] ? addrconf_rs_timer+0x6f0/0x6f0 [ 232.156663] ndisc_alloc_skb+0x144/0x340 [ 232.160736] ndisc_send_rs+0x331/0x6e0 [ 232.164635] addrconf_rs_timer+0x3c0/0x6f0 [ 232.168890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.173145] call_timer_fn+0x272/0x920 [ 232.177035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.181280] ? process_timeout+0x40/0x40 [ 232.185340] ? find_held_lock+0x36/0x1c0 [ 232.189428] ? mark_held_locks+0xc7/0x130 [ 232.193582] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.198080] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.202579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.206818] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.211408] ? trace_hardirqs_on+0xbd/0x310 [ 232.215733] ? kasan_check_read+0x11/0x20 [ 232.219887] ? __run_timers+0x7da/0xc70 [ 232.223873] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.229337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.233592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.237830] __run_timers+0x7e5/0xc70 [ 232.241653] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.247028] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.252051] ? graph_lock+0x170/0x170 [ 232.255894] ? print_usage_bug+0xc0/0xc0 [ 232.259959] ? lock_release+0x970/0x970 [ 232.263943] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.269151] ? find_held_lock+0x36/0x1c0 [ 232.273228] ? graph_lock+0x170/0x170 [ 232.277040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.282587] ? check_preemption_disabled+0x48/0x200 [ 232.287629] ? __lock_is_held+0xb5/0x140 [ 232.291698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.297253] ? check_preemption_disabled+0x48/0x200 [ 232.302291] run_timer_softirq+0x52/0xb0 [ 232.306369] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.311402] __do_softirq+0x30b/0xad8 [ 232.315470] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.320593] ? pvclock_read_flags+0x160/0x160 [ 232.325100] ? lapic_next_event+0x5a/0x90 [ 232.329257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.334800] ? check_preemption_disabled+0x48/0x200 [ 232.339819] ? check_preemption_disabled+0x48/0x200 [ 232.344850] ? kvm_clock_read+0x18/0x30 [ 232.348829] ? kvm_sched_clock_read+0x9/0x20 [ 232.353251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.358799] ? check_preemption_disabled+0x48/0x200 [ 232.363846] irq_exit+0x17f/0x1c0 [ 232.367321] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.372370] ? smp_reschedule_interrupt+0x109/0x650 [ 232.377405] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.383310] ? interrupt_entry+0xb5/0xf0 [ 232.387393] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.392422] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.397450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.402309] ? trace_hardirqs_off+0x300/0x300 [ 232.406811] ? trace_hardirqs_off+0x300/0x300 [ 232.411320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.416883] ? check_preemption_disabled+0x48/0x200 [ 232.421906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.427467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.432346] apic_timer_interrupt+0xf/0x20 [ 232.436595] [ 232.438845] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 232.444137] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 232.463511] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 232.471242] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 232.478527] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 232.485810] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 232.493090] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 232.500390] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 232.507699] ? arch_local_irq_restore+0x45/0x52 [ 232.512403] dump_stack+0x26a/0x2b4 [ 232.516052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.521262] ? mark_held_locks+0x130/0x130 [ 232.525518] ? mark_held_locks+0x130/0x130 [ 232.529772] dump_header+0x27b/0xf72 [ 232.533509] ? pagefault_out_of_memory+0x197/0x197 [ 232.538457] ? mark_held_locks+0x130/0x130 [ 232.542709] ? __lock_acquire+0x7ec/0x4ec0 [ 232.546961] ? mem_cgroup_charge_statistics+0x780/0x780 [ 232.552364] ? print_usage_bug+0xc0/0xc0 [ 232.556438] ? print_usage_bug+0xc0/0xc0 [ 232.560515] ? graph_lock+0x170/0x170 [ 232.564337] ? graph_lock+0x170/0x170 [ 232.568162] ? print_usage_bug+0xc0/0xc0 [ 232.572225] ? print_usage_bug+0xc0/0xc0 [ 232.576297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.581846] ? find_held_lock+0x36/0x1c0 [ 232.585922] ? mark_held_locks+0xc7/0x130 [ 232.590079] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 232.595193] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 232.600308] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.604903] ? trace_hardirqs_on+0xbd/0x310 [ 232.609231] ? kasan_check_read+0x11/0x20 [ 232.613392] ? ___ratelimit+0x36f/0x655 [ 232.617382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.622944] ? trace_hardirqs_on+0x310/0x310 [ 232.627369] ? lock_downgrade+0x900/0x900 [ 232.631530] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.636640] ? ___ratelimit+0xaa/0x655 [ 232.640532] ? idr_get_free+0xec0/0xec0 [ 232.644512] ? kasan_check_write+0x14/0x20 [ 232.648759] ? do_raw_spin_lock+0xc1/0x200 [ 232.653009] oom_kill_process.cold.27+0x10/0x903 [ 232.657771] ? graph_lock+0x170/0x170 [ 232.661577] ? _raw_spin_unlock+0x2c/0x50 [ 232.665729] ? oom_badness+0xe6/0xaa0 [ 232.669541] ? oom_evaluate_task+0x540/0x540 [ 232.673957] ? find_held_lock+0x36/0x1c0 [ 232.678028] ? out_of_memory+0x974/0x14c0 [ 232.682185] ? lock_downgrade+0x900/0x900 [ 232.686338] ? check_preemption_disabled+0x48/0x200 [ 232.691386] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.697193] ? kasan_check_read+0x11/0x20 [ 232.701360] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.706646] ? rcu_bh_qs+0xc0/0xc0 [ 232.710197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.715221] ? oom_evaluate_task+0x302/0x540 [ 232.719645] out_of_memory+0xa86/0x14c0 [ 232.723634] ? oom_killer_disable+0x3a0/0x3a0 [ 232.728134] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 232.733076] ? __mutex_add_waiter+0x2a0/0x2a0 [ 232.737591] __alloc_pages_slowpath+0x2318/0x2d80 [ 232.742474] ? warn_alloc+0x120/0x120 [ 232.746298] ? find_get_entry+0x2f2/0xc40 [ 232.750460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.756012] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 232.760952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.766500] ? should_fail+0x22d/0xd01 [ 232.770397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.775509] ? __lock_is_held+0xb5/0x140 [ 232.779622] ? __lock_is_held+0xb5/0x140 [ 232.783699] ? find_held_lock+0x36/0x1c0 [ 232.787769] ? ___might_sleep+0x1ed/0x300 [ 232.791916] ? lock_release+0x970/0x970 [ 232.795898] ? arch_local_save_flags+0x40/0x40 [ 232.800502] ? __might_sleep+0x95/0x190 [ 232.804504] __alloc_pages_nodemask+0xa80/0xde0 [ 232.809190] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.814215] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.820017] ? kasan_check_read+0x11/0x20 [ 232.824170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.829460] ? graph_lock+0x170/0x170 [ 232.833268] ? print_usage_bug+0xc0/0xc0 [ 232.837339] ? graph_lock+0x170/0x170 [ 232.841148] ? graph_lock+0x170/0x170 [ 232.844954] ? __do_page_cache_readahead+0x7ce/0x980 [ 232.850156] ? find_held_lock+0x36/0x1c0 [ 232.854229] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 232.859779] alloc_pages_current+0x10c/0x210 [ 232.864190] ? lock_downgrade+0x900/0x900 [ 232.868359] __page_cache_alloc+0x38f/0x5b0 [ 232.872691] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.878495] ? kasan_check_read+0x11/0x20 [ 232.882652] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.887940] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 232.892615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.898158] ? check_preemption_disabled+0x48/0x200 [ 232.903191] filemap_fault+0x1594/0x25f0 [ 232.907282] ? __lock_page_or_retry+0xa00/0xa00 [ 232.911969] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.917777] ? kasan_check_read+0x11/0x20 [ 232.921941] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.927235] ? rcu_bh_qs+0xc0/0xc0 [ 232.930797] ? filemap_map_pages+0xdea/0x1980 [ 232.935317] ? find_get_pages_range_tag+0x1320/0x1320 [ 232.940525] ? do_raw_spin_lock+0xc1/0x200 [ 232.944770] ? graph_lock+0x170/0x170 [ 232.948593] ? futex_wait_setup+0x266/0x3e0 [ 232.952941] ? lock_acquire+0x1ed/0x520 [ 232.956921] ? ext4_filemap_fault+0x7a/0xad [ 232.961256] ? lock_release+0x970/0x970 [ 232.965257] ? arch_local_save_flags+0x40/0x40 [ 232.969851] ? futex_wait_setup+0x3e0/0x3e0 [ 232.974182] ? print_usage_bug+0xc0/0xc0 [ 232.978259] ? down_read+0xb0/0x1d0 [ 232.981891] ? ext4_filemap_fault+0x7a/0xad [ 232.986221] ? __down_interruptible+0x700/0x700 [ 232.990912] ? find_held_lock+0x36/0x1c0 [ 232.994987] ext4_filemap_fault+0x82/0xad [ 232.999146] __do_fault+0x100/0x6b0 [ 233.002787] ? lock_downgrade+0x900/0x900 [ 233.006945] ? print_bad_pte+0x6c0/0x6c0 [ 233.011013] ? do_futex+0x249/0x26d0 [ 233.014737] ? kasan_check_read+0x11/0x20 [ 233.018897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.023316] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 233.027917] ? add_mm_counter_fast+0xd0/0xd0 [ 233.032346] __handle_mm_fault+0x3709/0x53e0 [ 233.036778] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 233.041630] ? __fpu__restore_sig+0x62f/0x1680 [ 233.046222] ? graph_lock+0x170/0x170 [ 233.050032] ? print_usage_bug+0xc0/0xc0 [ 233.054098] ? graph_lock+0x170/0x170 [ 233.057903] ? graph_lock+0x170/0x170 [ 233.061706] ? graph_lock+0x170/0x170 [ 233.065538] ? handle_mm_fault+0x42a/0xc70 [ 233.069782] ? lock_downgrade+0x900/0x900 [ 233.073935] ? check_preemption_disabled+0x48/0x200 [ 233.078963] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.084765] ? kasan_check_read+0x11/0x20 [ 233.088921] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.094219] ? rcu_bh_qs+0xc0/0xc0 [ 233.097768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.103228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.108774] ? check_preemption_disabled+0x48/0x200 [ 233.113809] handle_mm_fault+0x54f/0xc70 [ 233.117889] ? __handle_mm_fault+0x53e0/0x53e0 [ 233.122482] ? find_vma+0x34/0x190 [ 233.126033] __do_page_fault+0x67d/0xed0 [ 233.130110] ? mm_fault_error+0x380/0x380 [ 233.134261] ? trace_hardirqs_off+0xb8/0x300 [ 233.138681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.144049] ? trace_hardirqs_on+0x310/0x310 [ 233.148471] do_page_fault+0xf2/0x7e0 [ 233.152282] ? vmalloc_sync_all+0x30/0x30 [ 233.156436] ? error_entry+0x70/0xd0 [ 233.160155] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.165182] ? trace_hardirqs_on_caller+0xc0/0x300 [ 233.170122] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.175065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.179925] ? trace_hardirqs_off+0x300/0x300 [ 233.184432] ? trace_hardirqs_off_caller+0x300/0x300 [ 233.189552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.195099] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.200123] ? page_fault+0x8/0x30 [ 233.203671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.208525] ? page_fault+0x8/0x30 [ 233.212072] page_fault+0x1e/0x30 [ 233.215526] RIP: 0033:0x407e06 [ 233.218813] Code: Bad RIP value. [ 233.222175] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 233.227543] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 233.234816] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 233.242086] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 233.249362] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 233.256638] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 233.263934] warn_alloc_show_mem: 1 callbacks suppressed [ 233.263947] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 233.263949] Mem-Info: [ 233.263978] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 233.263978] active_file:16 inactive_file:17 isolated_file:1 [ 233.263978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.263978] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 233.263978] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 233.263978] free:13718 free_pcp:223 free_cma:0 [ 233.269324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.276515] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.278913] Call Trace: [ 233.311784] Node 0 [ 233.321135] [ 233.348818] 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 [ 233.351635] dump_stack+0x1c4/0x2b4 [ 233.353835] lowmem_reserve[]: 0 [ 233.355990] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.381495] 2817 [ 233.385131] warn_alloc.cold.118+0xb7/0x1bd [ 233.388381] 6321 [ 233.393568] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.395604] 6321 [ 233.399919] ? lock_downgrade+0x900/0x900 [ 233.401957] Node 0 [ 233.406799] ? trace_hardirqs_off+0xb8/0x300 [ 233.408865] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.412976] ? trace_hardirqs_off+0xb8/0x300 [ 233.415182] lowmem_reserve[]: 0 [ 233.419595] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.446286] 0 3503 [ 233.450745] ? warn_alloc+0x120/0x120 [ 233.453966] 3503 [ 233.458812] ? trace_hardirqs_on+0x310/0x310 [ 233.461016] Node 0 [ 233.464814] ? warn_alloc+0x120/0x120 [ 233.466879] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 233.471254] ? print_usage_bug+0xc0/0xc0 [ 233.473455] lowmem_reserve[]: 0 [ 233.477259] ? warn_alloc+0x120/0x120 [ 233.505606] 0 [ 233.509673] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 233.512917] 0 [ 233.516713] ? print_usage_bug+0xc0/0xc0 [ 233.518482] 0 [ 233.523500] ? __lock_acquire+0x7ec/0x4ec0 [ 233.525275] Node 0 [ 233.529344] ? __lock_acquire+0x7ec/0x4ec0 [ 233.531123] DMA: [ 233.535371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.537573] 1*4kB [ 233.541802] ? should_fail+0x22d/0xd01 [ 233.543838] (U) [ 233.549388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.551506] 0*8kB [ 233.555391] ? __lock_acquire+0x7ec/0x4ec0 [ 233.557339] 0*16kB [ 233.562456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.564579] 1*32kB [ 233.568809] ? __lock_acquire+0x7ec/0x4ec0 [ 233.571017] (U) [ 233.576114] ? should_fail+0x22d/0xd01 [ 233.578318] 2*64kB (U) [ 233.582559] ? print_usage_bug+0xc0/0xc0 [ 233.582584] ? mark_held_locks+0x130/0x130 [ 233.584526] 1*128kB (U) [ 233.588417] ? mark_held_locks+0x130/0x130 [ 233.590981] 1*256kB (U) [ 233.595047] ? graph_lock+0x170/0x170 [ 233.599244] 0*512kB 1*1024kB [ 233.601917] ? print_usage_bug+0xc0/0xc0 [ 233.606126] (U) [ 233.608796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.612567] 1*2048kB (M) [ 233.615675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.619701] 3*4096kB (M) [ 233.621684] ? check_preemption_disabled+0x48/0x200 [ 233.626402] = 15908kB [ 233.626411] Node 0 [ 233.629164] ? check_preemption_disabled+0x48/0x200 [ 233.634665] DMA32: 2*4kB [ 233.637436] ? __lock_is_held+0xb5/0x140 [ 233.642415] (M) [ 233.644830] __alloc_pages_nodemask+0xa80/0xde0 [ 233.647039] 0*8kB 3*16kB [ 233.652058] ? graph_lock+0x170/0x170 [ 233.654783] (M) 1*32kB [ 233.658849] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.660788] (M) 2*64kB [ 233.665462] ? graph_lock+0x170/0x170 [ 233.668191] (M) [ 233.671991] ? find_held_lock+0x36/0x1c0 [ 233.674534] 4*128kB (UM) [ 233.679560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.682105] 3*256kB (UM) [ 233.685909] ? lock_downgrade+0x900/0x900 [ 233.687855] 4*512kB (UM) [ 233.691929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.694657] 3*1024kB [ 233.699364] cache_grow_begin+0x91/0x8c0 [ 233.702089] (M) [ 233.706234] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.708957] 3*2048kB (UM) [ 233.714506] fallback_alloc+0x203/0x2e0 [ 233.716885] 3*4096kB [ 233.720947] ____cache_alloc_node+0x1c7/0x1e0 [ 233.722889] (M) [ 233.727297] kmem_cache_alloc_node+0xe3/0x730 [ 233.730109] = 25048kB [ 233.730118] Node 0 [ 233.734094] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.736472] Normal: 865*4kB [ 233.740981] __alloc_skb+0x119/0x770 [ 233.742923] (UMEH) [ 233.747415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.749789] 401*8kB (UMEH) [ 233.752029] ? skb_scrub_packet+0x490/0x490 [ 233.756228] 165*16kB (UMEH) [ 233.759269] ? lock_downgrade+0x900/0x900 [ 233.762950] 83*32kB (UMEH) [ 233.765194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.770432] 31*64kB (UMH) [ 233.773381] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.777670] 0*128kB 0*256kB [ 233.780696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.784810] 0*512kB 0*1024kB [ 233.787749] ? addrconf_rs_timer+0x6f0/0x6f0 [ 233.793252] 0*2048kB 0*4096kB [ 233.796112] ndisc_alloc_skb+0x144/0x340 [ 233.801537] = 13948kB [ 233.801552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.804564] ndisc_send_rs+0x331/0x6e0 [ 233.809987] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 233.813090] addrconf_rs_timer+0x3c0/0x6f0 [ 233.817465] 413 total pagecache pages [ 233.820658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.824696] 0 pages in swap cache [ 233.827102] call_timer_fn+0x272/0x920 [ 233.835899] Swap cache stats: add 0, delete 0, find 0/0 [ 233.835908] Free swap = 0kB [ 233.839797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.848340] Total swap = 0kB [ 233.848356] 1965979 pages RAM [ 233.852596] ? process_timeout+0x40/0x40 [ 233.856365] 0 pages HighMem/MovableOnly [ 233.856374] 342744 pages reserved [ 233.860606] ? find_held_lock+0x36/0x1c0 [ 233.864028] 0 pages cma reserved [ 233.864105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.867923] ? __run_timers+0x7da/0xc70 [ 233.873321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.876271] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.880478] syz-fuzzer cpuset= [ 233.883491] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.886569] / [ 233.890622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.890640] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.894593] mems_allowed=0 [ 233.898041] ? trace_hardirqs_on+0xbd/0x310 [ 233.955914] ? kasan_check_read+0x11/0x20 [ 233.960077] ? __run_timers+0x7da/0xc70 [ 233.964059] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.969523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.973767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.978003] __run_timers+0x7e5/0xc70 [ 233.981818] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.987189] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.992207] ? graph_lock+0x170/0x170 [ 233.996040] ? enqueue_hrtimer+0x1a5/0x560 [ 234.000277] ? lock_release+0x970/0x970 [ 234.004257] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.009460] ? find_held_lock+0x36/0x1c0 [ 234.013534] ? graph_lock+0x170/0x170 [ 234.017337] ? pvclock_read_flags+0x160/0x160 [ 234.021845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.027394] ? check_preemption_disabled+0x48/0x200 [ 234.032426] ? __lock_is_held+0xb5/0x140 [ 234.036493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.042037] ? check_preemption_disabled+0x48/0x200 [ 234.047067] run_timer_softirq+0x52/0xb0 [ 234.051127] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.056150] __do_softirq+0x30b/0xad8 [ 234.059968] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.065081] ? pvclock_read_flags+0x160/0x160 [ 234.069581] ? lapic_next_event+0x5a/0x90 [ 234.073731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.079276] ? check_preemption_disabled+0x48/0x200 [ 234.084292] ? check_preemption_disabled+0x48/0x200 [ 234.089314] ? kvm_clock_read+0x18/0x30 [ 234.093291] ? kvm_sched_clock_read+0x9/0x20 [ 234.097704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.103246] ? check_preemption_disabled+0x48/0x200 [ 234.108279] irq_exit+0x17f/0x1c0 [ 234.111736] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.116578] ? smp_reschedule_interrupt+0x109/0x650 [ 234.121601] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.127487] ? interrupt_entry+0xb5/0xf0 [ 234.131557] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.136580] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.141600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.146443] ? trace_hardirqs_off+0x300/0x300 [ 234.150939] ? trace_hardirqs_off+0x300/0x300 [ 234.155439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.160984] ? check_preemption_disabled+0x48/0x200 [ 234.166004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.171551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.176408] apic_timer_interrupt+0xf/0x20 [ 234.180642] [ 234.182887] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.187822] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 234.206728] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 234.214447] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.221725] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 234.228995] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 234.236264] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.243535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.250852] skb_clone+0x1bb/0x500 [ 234.254405] ? finish_task_switch+0x1b5/0x900 [ 234.258926] ? skb_split+0x11e0/0x11e0 [ 234.262820] ? preempt_notifier_register+0x200/0x200 [ 234.267927] ? __switch_to_asm+0x34/0x70 [ 234.271990] ? __switch_to_asm+0x34/0x70 [ 234.276048] ? __switch_to_asm+0x40/0x70 [ 234.280138] ? __switch_to_asm+0x34/0x70 [ 234.284199] ? __switch_to_asm+0x40/0x70 [ 234.288258] ? __switch_to_asm+0x34/0x70 [ 234.292316] ? __switch_to_asm+0x40/0x70 [ 234.296390] ? __switch_to_asm+0x34/0x70 [ 234.300457] ? __switch_to_asm+0x34/0x70 [ 234.304516] ? __switch_to_asm+0x40/0x70 [ 234.308578] ? __switch_to_asm+0x34/0x70 [ 234.312659] bpf_clone_redirect+0xb9/0x490 [ 234.317420] ? __schedule+0x874/0x1ed0 [ 234.321320] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 234.326368] ? __sched_text_start+0x8/0x8 [ 234.330521] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.335293] ? find_held_lock+0x36/0x1c0 [ 234.339379] ? lock_acquire+0x1ed/0x520 [ 234.343371] ? bpf_test_run+0x32e/0x5a0 [ 234.347368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.352917] ? check_preemption_disabled+0x48/0x200 [ 234.357947] ? kasan_check_read+0x11/0x20 [ 234.362108] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.367402] ? rcu_bh_qs+0xc0/0xc0 [ 234.370951] ? preempt_schedule+0x4d/0x60 [ 234.375282] ? ___preempt_schedule+0x16/0x18 [ 234.379708] ? bpf_test_run+0x1c0/0x5a0 [ 234.383706] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.388128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.393672] ? bpf_test_init.isra.9+0x70/0x100 [ 234.398268] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.403040] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.407894] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.413442] ? fput+0x130/0x1a0 [ 234.416733] ? __bpf_prog_get+0x9b/0x290 [ 234.421152] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.426002] ? bpf_prog_test_run+0x130/0x1a0 [ 234.430422] ? __x64_sys_bpf+0x3d8/0x510 [ 234.434488] ? bpf_prog_get+0x20/0x20 [ 234.438303] ? ksys_ioctl+0x81/0xd0 [ 234.441947] ? do_syscall_64+0x1b9/0x820 [ 234.446232] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.451607] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.456547] ? trace_hardirqs_off+0x300/0x300 [ 234.461056] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.466082] ? recalc_sigpending_tsk+0x180/0x180 [ 234.470847] ? kasan_check_write+0x14/0x20 [ 234.475097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.479956] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.485358] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 234.485477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.492293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.492302] Call Trace: [ 234.498905] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.508130] [ 234.510700] syz-executor0 cpuset= [ 234.521184] dump_stack+0x1c4/0x2b4 [ 234.523311] syz0 [ 234.526762] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.530368] mems_allowed=0 [ 234.540454] warn_alloc.cold.118+0xb7/0x1bd [ 234.544788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.549656] ? lock_downgrade+0x900/0x900 [ 234.553821] ? trace_hardirqs_off+0xb8/0x300 [ 234.558246] ? trace_hardirqs_off+0xb8/0x300 [ 234.562669] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.567552] ? warn_alloc+0x120/0x120 [ 234.571373] ? warn_alloc+0x120/0x120 [ 234.575182] ? print_usage_bug+0xc0/0xc0 [ 234.579246] ? warn_alloc+0x120/0x120 [ 234.583051] ? print_usage_bug+0xc0/0xc0 [ 234.587120] ? __lock_acquire+0x7ec/0x4ec0 [ 234.591363] ? __lock_acquire+0x7ec/0x4ec0 [ 234.595612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.601176] ? should_fail+0x22d/0xd01 [ 234.605075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.610189] ? __lock_acquire+0x7ec/0x4ec0 [ 234.614434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.619540] ? __lock_acquire+0x7ec/0x4ec0 [ 234.623774] ? should_fail+0x22d/0xd01 [ 234.627677] ? mark_held_locks+0x130/0x130 [ 234.631917] ? mark_held_locks+0x130/0x130 [ 234.636153] ? graph_lock+0x170/0x170 [ 234.639955] ? graph_lock+0x170/0x170 [ 234.643761] ? graph_lock+0x170/0x170 [ 234.647564] ? print_usage_bug+0xc0/0xc0 [ 234.651630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.657169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.662715] ? check_preemption_disabled+0x48/0x200 [ 234.667738] ? check_preemption_disabled+0x48/0x200 [ 234.672774] ? __lock_is_held+0xb5/0x140 [ 234.676844] __alloc_pages_nodemask+0xa80/0xde0 [ 234.681524] ? graph_lock+0x170/0x170 [ 234.685331] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.690366] ? graph_lock+0x170/0x170 [ 234.694184] ? find_held_lock+0x36/0x1c0 [ 234.698258] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.702928] ? lock_downgrade+0x900/0x900 [ 234.707086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.712636] cache_grow_begin+0x91/0x8c0 [ 234.716702] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.721125] fallback_alloc+0x203/0x2e0 [ 234.725287] ____cache_alloc_node+0x1c7/0x1e0 [ 234.729792] kmem_cache_alloc_node+0xe3/0x730 [ 234.734294] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.738546] __alloc_skb+0x119/0x770 [ 234.742268] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.747559] ? skb_scrub_packet+0x490/0x490 [ 234.751893] ? lock_downgrade+0x900/0x900 [ 234.756054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.761599] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.767062] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.772525] ? addrconf_rs_timer+0x6f0/0x6f0 [ 234.776951] ndisc_alloc_skb+0x144/0x340 [ 234.781023] ndisc_send_rs+0x331/0x6e0 [ 234.784926] addrconf_rs_timer+0x3c0/0x6f0 [ 234.789174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.793431] call_timer_fn+0x272/0x920 [ 234.797322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.801570] ? process_timeout+0x40/0x40 [ 234.805634] ? find_held_lock+0x36/0x1c0 [ 234.809705] ? mark_held_locks+0xc7/0x130 [ 234.813867] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.818373] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.822881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.827119] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.831704] ? trace_hardirqs_on+0xbd/0x310 [ 234.836030] ? kasan_check_read+0x11/0x20 [ 234.840187] ? __run_timers+0x7da/0xc70 [ 234.844168] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.849630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.853881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.858117] __run_timers+0x7e5/0xc70 [ 234.861937] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.867306] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.872325] ? graph_lock+0x170/0x170 [ 234.876139] ? print_usage_bug+0xc0/0xc0 [ 234.880201] ? lock_release+0x970/0x970 [ 234.884265] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.889464] ? find_held_lock+0x36/0x1c0 [ 234.893533] ? graph_lock+0x170/0x170 [ 234.897340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.902894] ? check_preemption_disabled+0x48/0x200 [ 234.907930] ? __lock_is_held+0xb5/0x140 [ 234.911994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.917537] ? check_preemption_disabled+0x48/0x200 [ 234.922580] run_timer_softirq+0x52/0xb0 [ 234.926644] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.931663] __do_softirq+0x30b/0xad8 [ 234.935479] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.940589] ? pvclock_read_flags+0x160/0x160 [ 234.945086] ? lapic_next_event+0x5a/0x90 [ 234.949240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.954785] ? check_preemption_disabled+0x48/0x200 [ 234.959803] ? check_preemption_disabled+0x48/0x200 [ 234.964826] ? kvm_clock_read+0x18/0x30 [ 234.968806] ? kvm_sched_clock_read+0x9/0x20 [ 234.973221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.978762] ? check_preemption_disabled+0x48/0x200 [ 234.983798] irq_exit+0x17f/0x1c0 [ 234.987260] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.992107] ? smp_reschedule_interrupt+0x109/0x650 [ 234.997127] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.003017] ? interrupt_entry+0xb5/0xf0 [ 235.007102] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.012122] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.017143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.021990] ? trace_hardirqs_off+0x300/0x300 [ 235.026487] ? trace_hardirqs_off+0x300/0x300 [ 235.030988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.036533] ? check_preemption_disabled+0x48/0x200 [ 235.041554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.047112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.051972] apic_timer_interrupt+0xf/0x20 [ 235.056207] [ 235.058447] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 235.063725] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 235.082634] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 235.090363] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 235.097639] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 235.104912] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 235.112205] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 235.119474] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 235.126768] ? arch_local_irq_restore+0x45/0x52 [ 235.131453] dump_stack+0x26a/0x2b4 [ 235.135088] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.140285] ? mark_held_locks+0x130/0x130 [ 235.144524] ? mark_held_locks+0x130/0x130 [ 235.148779] dump_header+0x27b/0xf72 [ 235.152510] ? pagefault_out_of_memory+0x197/0x197 [ 235.157449] ? mark_held_locks+0x130/0x130 [ 235.161690] ? __lock_acquire+0x7ec/0x4ec0 [ 235.165931] ? mem_cgroup_charge_statistics+0x780/0x780 [ 235.171303] ? print_usage_bug+0xc0/0xc0 [ 235.175376] ? print_usage_bug+0xc0/0xc0 [ 235.179451] ? graph_lock+0x170/0x170 [ 235.183262] ? graph_lock+0x170/0x170 [ 235.187068] ? print_usage_bug+0xc0/0xc0 [ 235.191131] ? print_usage_bug+0xc0/0xc0 [ 235.195209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.200762] ? find_held_lock+0x36/0x1c0 [ 235.204837] ? mark_held_locks+0xc7/0x130 [ 235.209001] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.214108] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.219234] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.223825] ? trace_hardirqs_on+0xbd/0x310 [ 235.228154] ? kasan_check_read+0x11/0x20 [ 235.232305] ? ___ratelimit+0x36f/0x655 [ 235.236284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.241743] ? trace_hardirqs_on+0x310/0x310 [ 235.246160] ? lock_downgrade+0x900/0x900 [ 235.250320] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.255438] ? ___ratelimit+0xaa/0x655 [ 235.259361] ? idr_get_free+0xec0/0xec0 [ 235.263358] ? kasan_check_write+0x14/0x20 [ 235.267603] ? do_raw_spin_lock+0xc1/0x200 [ 235.271851] oom_kill_process.cold.27+0x10/0x903 [ 235.276622] ? graph_lock+0x170/0x170 [ 235.280427] ? _raw_spin_unlock+0x2c/0x50 [ 235.284580] ? oom_badness+0xe6/0xaa0 [ 235.288399] ? oom_evaluate_task+0x540/0x540 [ 235.292816] ? find_held_lock+0x36/0x1c0 [ 235.296895] ? out_of_memory+0x974/0x14c0 [ 235.301050] ? lock_downgrade+0x900/0x900 [ 235.305205] ? check_preemption_disabled+0x48/0x200 [ 235.310233] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.316034] ? kasan_check_read+0x11/0x20 [ 235.320184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.325467] ? rcu_bh_qs+0xc0/0xc0 [ 235.329018] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.334034] ? oom_evaluate_task+0x302/0x540 [ 235.338451] out_of_memory+0xa86/0x14c0 [ 235.342455] ? oom_killer_disable+0x3a0/0x3a0 [ 235.346953] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 235.351893] ? __mutex_add_waiter+0x2a0/0x2a0 [ 235.356404] __alloc_pages_slowpath+0x2318/0x2d80 [ 235.361281] ? warn_alloc+0x120/0x120 [ 235.365101] ? find_get_entry+0x2f2/0xc40 [ 235.369262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.374805] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 235.379740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.385285] ? should_fail+0x22d/0xd01 [ 235.389186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.394296] ? __lock_is_held+0xb5/0x140 [ 235.398402] ? __lock_is_held+0xb5/0x140 [ 235.402482] ? find_held_lock+0x36/0x1c0 [ 235.406553] ? ___might_sleep+0x1ed/0x300 [ 235.410702] ? lock_release+0x970/0x970 [ 235.414692] ? arch_local_save_flags+0x40/0x40 [ 235.419296] ? __might_sleep+0x95/0x190 [ 235.423280] __alloc_pages_nodemask+0xa80/0xde0 [ 235.427963] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.432989] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.438795] ? kasan_check_read+0x11/0x20 [ 235.442955] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.448239] ? graph_lock+0x170/0x170 [ 235.452047] ? print_usage_bug+0xc0/0xc0 [ 235.456127] ? graph_lock+0x170/0x170 [ 235.459934] ? graph_lock+0x170/0x170 [ 235.463748] ? __do_page_cache_readahead+0x7ce/0x980 [ 235.468872] ? find_held_lock+0x36/0x1c0 [ 235.472947] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.478500] alloc_pages_current+0x10c/0x210 [ 235.482921] ? lock_downgrade+0x900/0x900 [ 235.487086] __page_cache_alloc+0x38f/0x5b0 [ 235.491416] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.497222] ? kasan_check_read+0x11/0x20 [ 235.501396] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.506693] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.511392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.516953] ? check_preemption_disabled+0x48/0x200 [ 235.521995] filemap_fault+0x1594/0x25f0 [ 235.526084] ? __lock_page_or_retry+0xa00/0xa00 [ 235.530763] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.536575] ? kasan_check_read+0x11/0x20 [ 235.540740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.546037] ? rcu_bh_qs+0xc0/0xc0 [ 235.549605] ? filemap_map_pages+0xdea/0x1980 [ 235.554144] ? find_get_pages_range_tag+0x1320/0x1320 [ 235.559360] ? do_raw_spin_lock+0xc1/0x200 [ 235.563611] ? graph_lock+0x170/0x170 [ 235.567425] ? futex_wait_setup+0x266/0x3e0 [ 235.571777] ? lock_acquire+0x1ed/0x520 [ 235.575761] ? ext4_filemap_fault+0x7a/0xad [ 235.580096] ? lock_release+0x970/0x970 [ 235.584252] ? arch_local_save_flags+0x40/0x40 [ 235.588849] ? futex_wait_setup+0x3e0/0x3e0 [ 235.593179] ? print_usage_bug+0xc0/0xc0 [ 235.597264] ? down_read+0xb0/0x1d0 [ 235.600897] ? ext4_filemap_fault+0x7a/0xad [ 235.605225] ? __down_interruptible+0x700/0x700 [ 235.609917] ? find_held_lock+0x36/0x1c0 [ 235.613989] ext4_filemap_fault+0x82/0xad [ 235.618147] __do_fault+0x100/0x6b0 [ 235.621779] ? lock_downgrade+0x900/0x900 [ 235.625939] ? print_bad_pte+0x6c0/0x6c0 [ 235.630014] ? do_futex+0x249/0x26d0 [ 235.633742] ? kasan_check_read+0x11/0x20 [ 235.637904] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.642322] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 235.646932] ? add_mm_counter_fast+0xd0/0xd0 [ 235.651369] __handle_mm_fault+0x3709/0x53e0 [ 235.655799] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 235.660643] ? __fpu__restore_sig+0x62f/0x1680 [ 235.665226] ? graph_lock+0x170/0x170 [ 235.669033] ? print_usage_bug+0xc0/0xc0 [ 235.673095] ? graph_lock+0x170/0x170 [ 235.676897] ? graph_lock+0x170/0x170 [ 235.680700] ? graph_lock+0x170/0x170 [ 235.684527] ? handle_mm_fault+0x42a/0xc70 [ 235.688771] ? lock_downgrade+0x900/0x900 [ 235.692925] ? check_preemption_disabled+0x48/0x200 [ 235.697951] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.703754] ? kasan_check_read+0x11/0x20 [ 235.707906] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.713188] ? rcu_bh_qs+0xc0/0xc0 [ 235.716731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.722250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.727799] ? check_preemption_disabled+0x48/0x200 [ 235.732829] handle_mm_fault+0x54f/0xc70 [ 235.736905] ? __handle_mm_fault+0x53e0/0x53e0 [ 235.741493] ? find_vma+0x34/0x190 [ 235.745044] __do_page_fault+0x67d/0xed0 [ 235.749116] ? mm_fault_error+0x380/0x380 [ 235.753266] ? trace_hardirqs_off+0xb8/0x300 [ 235.757680] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.763048] ? trace_hardirqs_on+0x310/0x310 [ 235.767469] do_page_fault+0xf2/0x7e0 [ 235.771289] ? vmalloc_sync_all+0x30/0x30 [ 235.775449] ? error_entry+0x70/0xd0 [ 235.779167] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.784184] ? trace_hardirqs_on_caller+0xc0/0x300 [ 235.789115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.794045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.798901] ? trace_hardirqs_off+0x300/0x300 [ 235.803402] ? trace_hardirqs_off_caller+0x300/0x300 [ 235.808511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.814051] ? prepare_exit_to_usermode+0x291/0x3b0 [ 235.819073] ? page_fault+0x8/0x30 [ 235.822620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.827471] ? page_fault+0x8/0x30 [ 235.831016] page_fault+0x1e/0x30 [ 235.834471] RIP: 0033:0x407e06 [ 235.837665] Code: Bad RIP value. [ 235.841025] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 235.846390] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 235.853658] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 235.860926] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 235.868196] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 235.875466] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 235.882768] warn_alloc_show_mem: 1 callbacks suppressed [ 235.882781] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 235.882783] Mem-Info: [ 235.882812] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 235.882812] active_file:16 inactive_file:17 isolated_file:1 [ 235.882812] unevictable:0 dirty:0 writeback:0 unstable:0 [ 235.882812] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 235.882812] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 235.882812] free:13718 free_pcp:223 free_cma:0 [ 235.888155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.888165] Call Trace: [ 235.895367] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 235.897770] [ 235.930649] Node 0 [ 235.940027] dump_stack+0x1c4/0x2b4 [ 235.942614] 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 [ 235.970278] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.972398] lowmem_reserve[]: 0 [ 235.974650] warn_alloc.cold.118+0xb7/0x1bd [ 235.978243] 2817 [ 236.003759] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.008922] 6321 [ 236.012203] ? lock_downgrade+0x900/0x900 [ 236.016499] 6321 [ 236.018562] ? trace_hardirqs_off+0xb8/0x300 [ 236.025439] ? trace_hardirqs_off+0xb8/0x300 [ 236.029564] Node 0 [ 236.031629] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.036030] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.040439] ? warn_alloc+0x120/0x120 [ 236.042617] lowmem_reserve[]: 0 [ 236.047471] ? trace_hardirqs_on+0x310/0x310 [ 236.074177] 0 3503 [ 236.078000] ? warn_alloc+0x120/0x120 [ 236.081242] 3503 [ 236.085655] ? print_usage_bug+0xc0/0xc0 [ 236.087869] Node 0 [ 236.091664] ? warn_alloc+0x120/0x120 [ 236.093726] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 236.097755] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.097772] ? print_usage_bug+0xc0/0xc0 [ 236.099986] lowmem_reserve[]: [ 236.103780] ? __lock_acquire+0x7ec/0x4ec0 [ 236.132125] 0 0 [ 236.137181] ? __lock_acquire+0x7ec/0x4ec0 [ 236.141210] 0 0 [ 236.144327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.148531] Node 0 [ 236.150509] ? should_fail+0x22d/0xd01 [ 236.154712] DMA: 1*4kB [ 236.156698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.162206] (U) [ 236.164442] ? __lock_acquire+0x7ec/0x4ec0 [ 236.168296] 0*8kB 0*16kB [ 236.170897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.175965] 1*32kB (U) [ 236.177949] ? __lock_acquire+0x7ec/0x4ec0 [ 236.182151] 2*64kB (U) [ 236.184921] ? should_fail+0x22d/0xd01 [ 236.189992] 1*128kB (U) [ 236.192585] ? print_usage_bug+0xc0/0xc0 [ 236.196793] 1*256kB [ 236.199396] ? mark_held_locks+0x130/0x130 [ 236.203241] (U) [ 236.205911] ? mark_held_locks+0x130/0x130 [ 236.209943] 0*512kB [ 236.212266] ? graph_lock+0x170/0x170 [ 236.216467] 1*1024kB (U) [ 236.218450] ? print_usage_bug+0xc0/0xc0 [ 236.222652] 1*2048kB (M) [ 236.224982] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.228752] 3*4096kB [ 236.231504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.235530] (M) = 15908kB [ 236.238295] ? check_preemption_disabled+0x48/0x200 [ 236.243022] Node 0 [ 236.245428] ? check_preemption_disabled+0x48/0x200 [ 236.250931] DMA32: 2*4kB [ 236.253704] ? __lock_is_held+0xb5/0x140 [ 236.258677] (M) 0*8kB [ 236.260927] __alloc_pages_nodemask+0xa80/0xde0 [ 236.265907] 3*16kB (M) [ 236.268680] ? graph_lock+0x170/0x170 [ 236.272711] 1*32kB (M) [ 236.275216] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.279849] 2*64kB (M) [ 236.282438] ? graph_lock+0x170/0x170 [ 236.286213] 4*128kB [ 236.288801] ? find_held_lock+0x36/0x1c0 [ 236.293782] (UM) [ 236.296385] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.300140] 3*256kB (UM) [ 236.302468] ? lock_downgrade+0x900/0x900 [ 236.306497] 4*512kB (UM) [ 236.308570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.313522] 3*1024kB [ 236.316284] cache_grow_begin+0x91/0x8c0 [ 236.320654] (M) 3*2048kB [ 236.323420] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.328923] (UM) 3*4096kB [ 236.331346] fallback_alloc+0x203/0x2e0 [ 236.335382] (M) [ 236.338145] ____cache_alloc_node+0x1c7/0x1e0 [ 236.342513] = 25048kB [ 236.342522] Node 0 [ 236.345385] kmem_cache_alloc_node+0xe3/0x730 [ 236.349313] Normal: 865*4kB [ 236.351301] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.355763] (UMEH) [ 236.358180] __alloc_skb+0x119/0x770 [ 236.360383] 401*8kB [ 236.364900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.367884] (UMEH) 165*16kB [ 236.372130] ? skb_scrub_packet+0x490/0x490 [ 236.374334] (UMEH) [ 236.378061] ? lock_downgrade+0x900/0x900 [ 236.380364] 83*32kB [ 236.385647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.388634] (UMEH) [ 236.392956] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.395163] 31*64kB [ 236.399311] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.401606] (UMH) [ 236.407139] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.409341] 0*128kB 0*256kB [ 236.414819] ndisc_alloc_skb+0x144/0x340 [ 236.417104] 0*512kB 0*1024kB [ 236.422593] ndisc_send_rs+0x331/0x6e0 [ 236.424707] 0*2048kB 0*4096kB [ 236.429128] addrconf_rs_timer+0x3c0/0x6f0 [ 236.432112] = 13948kB [ 236.432126] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.436211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.439292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.443179] call_timer_fn+0x272/0x920 [ 236.446832] 413 total pagecache pages [ 236.451715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.454105] 0 pages in swap cache [ 236.462933] ? process_timeout+0x40/0x40 [ 236.467145] Swap cache stats: add 0, delete 0, find 0/0 [ 236.476079] ? find_held_lock+0x36/0x1c0 [ 236.479939] Free swap = 0kB [ 236.483741] ? __run_timers+0x7da/0xc70 [ 236.487937] Total swap = 0kB [ 236.487945] 1965979 pages RAM [ 236.491400] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.495432] 0 pages HighMem/MovableOnly [ 236.500786] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.504815] 342744 pages reserved [ 236.504824] 0 pages cma reserved [ 236.507837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.511845] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.514789] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.514813] ? trace_hardirqs_on+0xbd/0x310 [ 236.514832] ? kasan_check_read+0x11/0x20 [ 236.517977] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.522406] ? __run_timers+0x7da/0xc70 [ 236.526363] syz-fuzzer cpuset= [ 236.530863] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.534291] / [ 236.537669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.541877] mems_allowed=0 [ 236.593028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.597276] __run_timers+0x7e5/0xc70 [ 236.601098] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.606475] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.611494] ? graph_lock+0x170/0x170 [ 236.615303] ? enqueue_hrtimer+0x1a5/0x560 [ 236.619542] ? lock_release+0x970/0x970 [ 236.623518] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.628721] ? find_held_lock+0x36/0x1c0 [ 236.632792] ? graph_lock+0x170/0x170 [ 236.636599] ? pvclock_read_flags+0x160/0x160 [ 236.641098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.646643] ? check_preemption_disabled+0x48/0x200 [ 236.651679] ? __lock_is_held+0xb5/0x140 [ 236.655747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.661287] ? check_preemption_disabled+0x48/0x200 [ 236.666319] run_timer_softirq+0x52/0xb0 [ 236.670399] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.675421] __do_softirq+0x30b/0xad8 [ 236.679241] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.684374] ? pvclock_read_flags+0x160/0x160 [ 236.688876] ? lapic_next_event+0x5a/0x90 [ 236.693034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.698580] ? check_preemption_disabled+0x48/0x200 [ 236.703599] ? check_preemption_disabled+0x48/0x200 [ 236.708628] ? kvm_clock_read+0x18/0x30 [ 236.712609] ? kvm_sched_clock_read+0x9/0x20 [ 236.717021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.722561] ? check_preemption_disabled+0x48/0x200 [ 236.727597] irq_exit+0x17f/0x1c0 [ 236.731059] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.735911] ? smp_reschedule_interrupt+0x109/0x650 [ 236.740934] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.746821] ? interrupt_entry+0xb5/0xf0 [ 236.750888] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.755904] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.760942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.765787] ? trace_hardirqs_off+0x300/0x300 [ 236.770281] ? trace_hardirqs_off+0x300/0x300 [ 236.774783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.780338] ? check_preemption_disabled+0x48/0x200 [ 236.785394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.790953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.795834] apic_timer_interrupt+0xf/0x20 [ 236.800069] [ 236.802313] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.807248] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 236.826160] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 236.833918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 236.841203] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 236.848498] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 236.855774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 236.863066] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.870411] skb_clone+0x1bb/0x500 [ 236.873979] ? finish_task_switch+0x1b5/0x900 [ 236.878481] ? skb_split+0x11e0/0x11e0 [ 236.882389] ? preempt_notifier_register+0x200/0x200 [ 236.887501] ? __switch_to_asm+0x34/0x70 [ 236.891567] ? __switch_to_asm+0x34/0x70 [ 236.895630] ? __switch_to_asm+0x40/0x70 [ 236.899693] ? __switch_to_asm+0x34/0x70 [ 236.903754] ? __switch_to_asm+0x40/0x70 [ 236.907819] ? __switch_to_asm+0x34/0x70 [ 236.911882] ? __switch_to_asm+0x40/0x70 [ 236.915948] ? __switch_to_asm+0x34/0x70 [ 236.920015] ? __switch_to_asm+0x34/0x70 [ 236.924077] ? __switch_to_asm+0x40/0x70 [ 236.928139] ? __switch_to_asm+0x34/0x70 [ 236.932217] bpf_clone_redirect+0xb9/0x490 [ 236.936460] ? __schedule+0x874/0x1ed0 [ 236.940375] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 236.945411] ? __sched_text_start+0x8/0x8 [ 236.949566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.954344] ? find_held_lock+0x36/0x1c0 [ 236.958434] ? lock_acquire+0x1ed/0x520 [ 236.962424] ? bpf_test_run+0x32e/0x5a0 [ 236.966404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.971955] ? check_preemption_disabled+0x48/0x200 [ 236.976985] ? kasan_check_read+0x11/0x20 [ 236.981141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.986427] ? rcu_bh_qs+0xc0/0xc0 [ 236.989976] ? preempt_schedule+0x4d/0x60 [ 236.994128] ? ___preempt_schedule+0x16/0x18 [ 236.998549] ? bpf_test_run+0x1c0/0x5a0 [ 237.002539] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.006959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.012505] ? bpf_test_init.isra.9+0x70/0x100 [ 237.017104] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.021873] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.026919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.032469] ? fput+0x130/0x1a0 [ 237.035756] ? __bpf_prog_get+0x9b/0x290 [ 237.039823] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.044669] ? bpf_prog_test_run+0x130/0x1a0 [ 237.049087] ? __x64_sys_bpf+0x3d8/0x510 [ 237.053159] ? bpf_prog_get+0x20/0x20 [ 237.056976] ? ksys_ioctl+0x81/0xd0 [ 237.060619] ? do_syscall_64+0x1b9/0x820 [ 237.064690] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.070065] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.075012] ? trace_hardirqs_off+0x300/0x300 [ 237.079518] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.084542] ? recalc_sigpending_tsk+0x180/0x180 [ 237.089311] ? kasan_check_write+0x14/0x20 [ 237.093557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.098422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.103810] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 237.103881] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.110739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.110744] Call Trace: [ 237.110750] [ 237.110769] dump_stack+0x1c4/0x2b4 [ 237.110783] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.110810] warn_alloc.cold.118+0xb7/0x1bd [ 237.110826] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.117428] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.126658] ? lock_downgrade+0x900/0x900 [ 237.129215] syz-executor0 cpuset= [ 237.131375] ? trace_hardirqs_off+0xb8/0x300 [ 237.134984] syz0 [ 237.140175] ? trace_hardirqs_off+0xb8/0x300 [ 237.144474] mems_allowed=0 [ 237.149313] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.186241] ? warn_alloc+0x120/0x120 [ 237.190057] ? warn_alloc+0x120/0x120 [ 237.193869] ? print_usage_bug+0xc0/0xc0 [ 237.197939] ? warn_alloc+0x120/0x120 [ 237.201749] ? print_usage_bug+0xc0/0xc0 [ 237.205819] ? __lock_acquire+0x7ec/0x4ec0 [ 237.210059] ? __lock_acquire+0x7ec/0x4ec0 [ 237.214299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.219839] ? should_fail+0x22d/0xd01 [ 237.223741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.228852] ? __lock_acquire+0x7ec/0x4ec0 [ 237.233106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.238216] ? __lock_acquire+0x7ec/0x4ec0 [ 237.242457] ? should_fail+0x22d/0xd01 [ 237.246373] ? mark_held_locks+0x130/0x130 [ 237.250621] ? mark_held_locks+0x130/0x130 [ 237.254861] ? graph_lock+0x170/0x170 [ 237.258675] ? graph_lock+0x170/0x170 [ 237.262502] ? graph_lock+0x170/0x170 [ 237.266311] ? print_usage_bug+0xc0/0xc0 [ 237.270385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.275957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.281508] ? check_preemption_disabled+0x48/0x200 [ 237.286535] ? check_preemption_disabled+0x48/0x200 [ 237.291571] ? __lock_is_held+0xb5/0x140 [ 237.295648] __alloc_pages_nodemask+0xa80/0xde0 [ 237.300368] ? graph_lock+0x170/0x170 [ 237.304191] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.309208] ? graph_lock+0x170/0x170 [ 237.313075] ? find_held_lock+0x36/0x1c0 [ 237.317165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.321844] ? lock_downgrade+0x900/0x900 [ 237.326034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.331592] cache_grow_begin+0x91/0x8c0 [ 237.335661] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.340174] fallback_alloc+0x203/0x2e0 [ 237.344164] ____cache_alloc_node+0x1c7/0x1e0 [ 237.348671] kmem_cache_alloc_node+0xe3/0x730 [ 237.353190] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.357441] __alloc_skb+0x119/0x770 [ 237.361164] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.366458] ? skb_scrub_packet+0x490/0x490 [ 237.370784] ? lock_downgrade+0x900/0x900 [ 237.374945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.380492] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.385956] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.391414] ? addrconf_rs_timer+0x6f0/0x6f0 [ 237.395836] ndisc_alloc_skb+0x144/0x340 [ 237.399912] ndisc_send_rs+0x331/0x6e0 [ 237.403811] addrconf_rs_timer+0x3c0/0x6f0 [ 237.408057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.412307] call_timer_fn+0x272/0x920 [ 237.416199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.420442] ? process_timeout+0x40/0x40 [ 237.424502] ? find_held_lock+0x36/0x1c0 [ 237.428578] ? mark_held_locks+0xc7/0x130 [ 237.432732] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.437232] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.441732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.445972] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.450572] ? trace_hardirqs_on+0xbd/0x310 [ 237.454896] ? kasan_check_read+0x11/0x20 [ 237.459051] ? __run_timers+0x7da/0xc70 [ 237.463027] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.468487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.472732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.476968] __run_timers+0x7e5/0xc70 [ 237.480786] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.486155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.491173] ? graph_lock+0x170/0x170 [ 237.494986] ? print_usage_bug+0xc0/0xc0 [ 237.499046] ? lock_release+0x970/0x970 [ 237.503023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.508219] ? find_held_lock+0x36/0x1c0 [ 237.512286] ? graph_lock+0x170/0x170 [ 237.516094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.521635] ? check_preemption_disabled+0x48/0x200 [ 237.526663] ? __lock_is_held+0xb5/0x140 [ 237.530730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.536273] ? check_preemption_disabled+0x48/0x200 [ 237.541302] run_timer_softirq+0x52/0xb0 [ 237.545371] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.550396] __do_softirq+0x30b/0xad8 [ 237.554214] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.559325] ? pvclock_read_flags+0x160/0x160 [ 237.563829] ? lapic_next_event+0x5a/0x90 [ 237.567984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.573526] ? check_preemption_disabled+0x48/0x200 [ 237.578544] ? check_preemption_disabled+0x48/0x200 [ 237.583658] ? kvm_clock_read+0x18/0x30 [ 237.587638] ? kvm_sched_clock_read+0x9/0x20 [ 237.592051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.597596] ? check_preemption_disabled+0x48/0x200 [ 237.602632] irq_exit+0x17f/0x1c0 [ 237.606091] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.610939] ? smp_reschedule_interrupt+0x109/0x650 [ 237.615957] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.621847] ? interrupt_entry+0xb5/0xf0 [ 237.625916] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.630934] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.635955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.640802] ? trace_hardirqs_off+0x300/0x300 [ 237.645300] ? trace_hardirqs_off+0x300/0x300 [ 237.649799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.655340] ? check_preemption_disabled+0x48/0x200 [ 237.660372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.665924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.670782] apic_timer_interrupt+0xf/0x20 [ 237.675016] [ 237.677273] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 237.682554] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 237.701481] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 237.709215] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 237.716506] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 237.723785] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 237.731059] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 237.738333] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 237.745644] ? arch_local_irq_restore+0x45/0x52 [ 237.750336] dump_stack+0x26a/0x2b4 [ 237.753982] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.759183] ? mark_held_locks+0x130/0x130 [ 237.763425] ? mark_held_locks+0x130/0x130 [ 237.767668] dump_header+0x27b/0xf72 [ 237.771406] ? pagefault_out_of_memory+0x197/0x197 [ 237.776348] ? mark_held_locks+0x130/0x130 [ 237.780599] ? __lock_acquire+0x7ec/0x4ec0 [ 237.784839] ? mem_cgroup_charge_statistics+0x780/0x780 [ 237.790211] ? print_usage_bug+0xc0/0xc0 [ 237.794279] ? print_usage_bug+0xc0/0xc0 [ 237.798361] ? graph_lock+0x170/0x170 [ 237.802162] ? graph_lock+0x170/0x170 [ 237.805965] ? print_usage_bug+0xc0/0xc0 [ 237.810028] ? print_usage_bug+0xc0/0xc0 [ 237.814101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.819651] ? find_held_lock+0x36/0x1c0 [ 237.823727] ? mark_held_locks+0xc7/0x130 [ 237.827889] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 237.832997] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 237.838104] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.842694] ? trace_hardirqs_on+0xbd/0x310 [ 237.847017] ? kasan_check_read+0x11/0x20 [ 237.851170] ? ___ratelimit+0x36f/0x655 [ 237.855155] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.860610] ? trace_hardirqs_on+0x310/0x310 [ 237.865026] ? lock_downgrade+0x900/0x900 [ 237.869209] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.874319] ? ___ratelimit+0xaa/0x655 [ 237.878225] ? idr_get_free+0xec0/0xec0 [ 237.882205] ? kasan_check_write+0x14/0x20 [ 237.886445] ? do_raw_spin_lock+0xc1/0x200 [ 237.890696] oom_kill_process.cold.27+0x10/0x903 [ 237.895457] ? graph_lock+0x170/0x170 [ 237.899259] ? _raw_spin_unlock+0x2c/0x50 [ 237.903410] ? oom_badness+0xe6/0xaa0 [ 237.907222] ? oom_evaluate_task+0x540/0x540 [ 237.911639] ? find_held_lock+0x36/0x1c0 [ 237.915715] ? out_of_memory+0x974/0x14c0 [ 237.919876] ? lock_downgrade+0x900/0x900 [ 237.924029] ? check_preemption_disabled+0x48/0x200 [ 237.929058] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.934857] ? kasan_check_read+0x11/0x20 [ 237.939016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.944300] ? rcu_bh_qs+0xc0/0xc0 [ 237.947846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.952875] ? oom_evaluate_task+0x302/0x540 [ 237.957295] out_of_memory+0xa86/0x14c0 [ 237.961299] ? oom_killer_disable+0x3a0/0x3a0 [ 237.965798] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 237.970734] ? __mutex_add_waiter+0x2a0/0x2a0 [ 237.975246] __alloc_pages_slowpath+0x2318/0x2d80 [ 237.980127] ? warn_alloc+0x120/0x120 [ 237.983949] ? find_get_entry+0x2f2/0xc40 [ 237.988112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.993657] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 237.998589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.004132] ? should_fail+0x22d/0xd01 [ 238.008031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.013140] ? __lock_is_held+0xb5/0x140 [ 238.017234] ? __lock_is_held+0xb5/0x140 [ 238.021306] ? find_held_lock+0x36/0x1c0 [ 238.025383] ? ___might_sleep+0x1ed/0x300 [ 238.029533] ? lock_release+0x970/0x970 [ 238.033513] ? arch_local_save_flags+0x40/0x40 [ 238.038110] ? __might_sleep+0x95/0x190 [ 238.042093] __alloc_pages_nodemask+0xa80/0xde0 [ 238.046778] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.051800] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.057603] ? kasan_check_read+0x11/0x20 [ 238.061761] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.067044] ? graph_lock+0x170/0x170 [ 238.070850] ? print_usage_bug+0xc0/0xc0 [ 238.074924] ? graph_lock+0x170/0x170 [ 238.078724] ? graph_lock+0x170/0x170 [ 238.082527] ? __do_page_cache_readahead+0x7ce/0x980 [ 238.087641] ? find_held_lock+0x36/0x1c0 [ 238.091712] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 238.097260] alloc_pages_current+0x10c/0x210 [ 238.101669] ? lock_downgrade+0x900/0x900 [ 238.105857] __page_cache_alloc+0x38f/0x5b0 [ 238.110189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.115991] ? kasan_check_read+0x11/0x20 [ 238.120145] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.125437] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 238.130115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.135661] ? check_preemption_disabled+0x48/0x200 [ 238.140689] filemap_fault+0x1594/0x25f0 [ 238.144767] ? __lock_page_or_retry+0xa00/0xa00 [ 238.149439] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.155243] ? kasan_check_read+0x11/0x20 [ 238.159398] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.164679] ? rcu_bh_qs+0xc0/0xc0 [ 238.168235] ? filemap_map_pages+0xdea/0x1980 [ 238.172754] ? find_get_pages_range_tag+0x1320/0x1320 [ 238.177954] ? do_raw_spin_lock+0xc1/0x200 [ 238.182192] ? graph_lock+0x170/0x170 [ 238.186000] ? futex_wait_setup+0x266/0x3e0 [ 238.190347] ? lock_acquire+0x1ed/0x520 [ 238.194338] ? ext4_filemap_fault+0x7a/0xad [ 238.198681] ? lock_release+0x970/0x970 [ 238.202657] ? arch_local_save_flags+0x40/0x40 [ 238.207247] ? futex_wait_setup+0x3e0/0x3e0 [ 238.211569] ? print_usage_bug+0xc0/0xc0 [ 238.215650] ? down_read+0xb0/0x1d0 [ 238.219278] ? ext4_filemap_fault+0x7a/0xad [ 238.223607] ? __down_interruptible+0x700/0x700 [ 238.228292] ? find_held_lock+0x36/0x1c0 [ 238.232371] ext4_filemap_fault+0x82/0xad [ 238.236532] __do_fault+0x100/0x6b0 [ 238.240164] ? lock_downgrade+0x900/0x900 [ 238.244320] ? print_bad_pte+0x6c0/0x6c0 [ 238.248412] ? do_futex+0x249/0x26d0 [ 238.252137] ? kasan_check_read+0x11/0x20 [ 238.256292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.260705] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 238.265297] ? add_mm_counter_fast+0xd0/0xd0 [ 238.269721] __handle_mm_fault+0x3709/0x53e0 [ 238.274149] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 238.278995] ? __fpu__restore_sig+0x62f/0x1680 [ 238.283586] ? graph_lock+0x170/0x170 [ 238.287403] ? print_usage_bug+0xc0/0xc0 [ 238.291475] ? graph_lock+0x170/0x170 [ 238.295277] ? graph_lock+0x170/0x170 [ 238.299077] ? graph_lock+0x170/0x170 [ 238.302907] ? handle_mm_fault+0x42a/0xc70 [ 238.307149] ? lock_downgrade+0x900/0x900 [ 238.311304] ? check_preemption_disabled+0x48/0x200 [ 238.316512] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.322318] ? kasan_check_read+0x11/0x20 [ 238.326472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.331757] ? rcu_bh_qs+0xc0/0xc0 [ 238.335300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.340758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.346327] ? check_preemption_disabled+0x48/0x200 [ 238.351378] handle_mm_fault+0x54f/0xc70 [ 238.355454] ? __handle_mm_fault+0x53e0/0x53e0 [ 238.360044] ? find_vma+0x34/0x190 [ 238.363594] __do_page_fault+0x67d/0xed0 [ 238.367669] ? mm_fault_error+0x380/0x380 [ 238.371821] ? trace_hardirqs_off+0xb8/0x300 [ 238.376245] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.381618] ? trace_hardirqs_on+0x310/0x310 [ 238.386045] do_page_fault+0xf2/0x7e0 [ 238.389849] ? vmalloc_sync_all+0x30/0x30 [ 238.394008] ? error_entry+0x70/0xd0 [ 238.397731] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.402752] ? trace_hardirqs_on_caller+0xc0/0x300 [ 238.407686] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.412624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.417478] ? trace_hardirqs_off+0x300/0x300 [ 238.421979] ? trace_hardirqs_off_caller+0x300/0x300 [ 238.427093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.432638] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.437666] ? page_fault+0x8/0x30 [ 238.441218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.446636] ? page_fault+0x8/0x30 [ 238.450187] page_fault+0x1e/0x30 [ 238.453640] RIP: 0033:0x407e06 [ 238.456838] Code: Bad RIP value. [ 238.460207] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 238.465595] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 238.472874] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 238.480145] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 238.487417] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 238.494691] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 238.502003] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 238.502008] warn_alloc_show_mem: 1 callbacks suppressed [ 238.502016] Mem-Info: [ 238.509205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.509215] Call Trace: [ 238.514587] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 238.514587] active_file:16 inactive_file:17 isolated_file:1 [ 238.514587] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.514587] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 238.514587] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 238.514587] free:13718 free_pcp:223 free_cma:0 [ 238.516959] [ 238.526324] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.528914] dump_stack+0x1c4/0x2b4 [ 238.561787] Node 0 [ 238.563953] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.591626] 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 [ 238.595247] warn_alloc.cold.118+0xb7/0x1bd [ 238.597454] lowmem_reserve[]: 0 [ 238.602651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.628126] 2817 6321 [ 238.632477] ? lock_downgrade+0x900/0x900 [ 238.635718] 6321 [ 238.640574] ? trace_hardirqs_off+0xb8/0x300 [ 238.643040] Node 0 [ 238.647191] ? trace_hardirqs_off+0xb8/0x300 [ 238.649249] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 238.653635] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.655828] lowmem_reserve[]: 0 [ 238.660293] ? warn_alloc+0x120/0x120 [ 238.686937] 0 3503 [ 238.691805] ? trace_hardirqs_on+0x310/0x310 [ 238.695050] 3503 [ 238.698856] ? warn_alloc+0x120/0x120 [ 238.701071] Node 0 [ 238.705478] ? print_usage_bug+0xc0/0xc0 [ 238.707540] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 238.711313] ? warn_alloc+0x120/0x120 [ 238.713518] lowmem_reserve[]: 0 [ 238.717586] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 238.717603] ? print_usage_bug+0xc0/0xc0 [ 238.745952] 0 0 [ 238.749792] ? __lock_acquire+0x7ec/0x4ec0 [ 238.753033] 0 [ 238.758058] ? __lock_acquire+0x7ec/0x4ec0 [ 238.762087] Node 0 [ 238.764062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.768258] DMA: 1*4kB [ 238.770071] ? should_fail+0x22d/0xd01 [ 238.774276] (U) [ 238.776515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.782016] 0*8kB 0*16kB [ 238.784605] ? __lock_acquire+0x7ec/0x4ec0 [ 238.788467] 1*32kB [ 238.790443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.795507] (U) 2*64kB [ 238.798276] ? __lock_acquire+0x7ec/0x4ec0 [ 238.802482] (U) [ 238.804716] ? should_fail+0x22d/0xd01 [ 238.809790] 1*128kB [ 238.812382] ? print_usage_bug+0xc0/0xc0 [ 238.816584] (U) [ 238.818563] ? mark_held_locks+0x130/0x130 [ 238.822409] 1*256kB (U) [ 238.824738] ? mark_held_locks+0x130/0x130 [ 238.828764] 0*512kB 1*1024kB [ 238.830755] ? graph_lock+0x170/0x170 [ 238.834952] (U) [ 238.837617] ? print_usage_bug+0xc0/0xc0 [ 238.841821] 1*2048kB (M) [ 238.844931] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.848700] 3*4096kB (M) [ 238.850680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.854824] = 15908kB [ 238.857578] ? check_preemption_disabled+0x48/0x200 [ 238.862304] Node 0 [ 238.865061] ? check_preemption_disabled+0x48/0x200 [ 238.870563] DMA32: 2*4kB [ 238.872998] ? __lock_is_held+0xb5/0x140 [ 238.877969] (M) 0*8kB [ 238.880220] __alloc_pages_nodemask+0xa80/0xde0 [ 238.885201] 3*16kB (M) [ 238.887969] ? graph_lock+0x170/0x170 [ 238.891993] 1*32kB (M) [ 238.894497] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.899131] 2*64kB (M) [ 238.901722] ? graph_lock+0x170/0x170 [ 238.905494] 4*128kB (UM) [ 238.908089] ? find_held_lock+0x36/0x1c0 [ 238.913064] 3*256kB (UM) [ 238.915665] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.919432] 4*512kB [ 238.922188] ? lock_downgrade+0x900/0x900 [ 238.926225] (UM) 3*1024kB [ 238.928994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.933631] (M) [ 238.935959] cache_grow_begin+0x91/0x8c0 [ 238.940071] 3*2048kB (UM) [ 238.942921] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.948423] 3*4096kB (M) [ 238.950418] fallback_alloc+0x203/0x2e0 [ 238.954438] = 25048kB [ 238.954447] Node 0 [ 238.957294] ____cache_alloc_node+0x1c7/0x1e0 [ 238.961659] Normal: 865*4kB [ 238.964447] kmem_cache_alloc_node+0xe3/0x730 [ 238.968386] (UMEH) [ 238.970798] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.973002] 401*8kB (UMEH) [ 238.977509] __alloc_skb+0x119/0x770 [ 238.980488] 165*16kB (UMEH) [ 238.984999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.987201] 83*32kB [ 238.991432] ? skb_scrub_packet+0x490/0x490 [ 238.994331] (UMEH) [ 238.998047] ? lock_downgrade+0x900/0x900 [ 239.001036] 31*64kB (UMH) [ 239.006320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.008611] 0*128kB [ 239.012925] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.015133] 0*256kB [ 239.019276] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.022087] 0*512kB 0*1024kB [ 239.027627] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.029920] 0*2048kB [ 239.035388] ndisc_alloc_skb+0x144/0x340 [ 239.037670] 0*4096kB [ 239.043116] ndisc_send_rs+0x331/0x6e0 [ 239.046191] = 13948kB [ 239.050601] addrconf_rs_timer+0x3c0/0x6f0 [ 239.052985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.057035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.059418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.059427] 413 total pagecache pages [ 239.063317] call_timer_fn+0x272/0x920 [ 239.065700] 0 pages in swap cache [ 239.069921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.078730] Swap cache stats: add 0, delete 0, find 0/0 [ 239.078739] Free swap = 0kB [ 239.082979] ? process_timeout+0x40/0x40 [ 239.091523] Total swap = 0kB [ 239.091532] 1965979 pages RAM [ 239.095332] ? find_held_lock+0x36/0x1c0 [ 239.099182] 0 pages HighMem/MovableOnly [ 239.099191] 342744 pages reserved [ 239.102648] ? __run_timers+0x7da/0xc70 [ 239.106841] 0 pages cma reserved [ 239.106923] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.112212] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.115320] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.119263] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.122254] syz-fuzzer cpuset= [ 239.125371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.129398] / [ 239.133383] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.136800] mems_allowed=0 [ 239.186390] ? trace_hardirqs_on+0xbd/0x310 [ 239.190725] ? kasan_check_read+0x11/0x20 [ 239.194881] ? __run_timers+0x7da/0xc70 [ 239.198867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.204337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.208593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.212855] __run_timers+0x7e5/0xc70 [ 239.216674] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.222049] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.227075] ? graph_lock+0x170/0x170 [ 239.230886] ? enqueue_hrtimer+0x1a5/0x560 [ 239.235120] ? lock_release+0x970/0x970 [ 239.239099] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.244301] ? find_held_lock+0x36/0x1c0 [ 239.248383] ? graph_lock+0x170/0x170 [ 239.252191] ? pvclock_read_flags+0x160/0x160 [ 239.256689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.262237] ? check_preemption_disabled+0x48/0x200 [ 239.267269] ? __lock_is_held+0xb5/0x140 [ 239.271339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.276901] ? check_preemption_disabled+0x48/0x200 [ 239.281928] run_timer_softirq+0x52/0xb0 [ 239.285993] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.291018] __do_softirq+0x30b/0xad8 [ 239.294838] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.299953] ? pvclock_read_flags+0x160/0x160 [ 239.304452] ? lapic_next_event+0x5a/0x90 [ 239.308609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.314168] ? check_preemption_disabled+0x48/0x200 [ 239.319193] ? check_preemption_disabled+0x48/0x200 [ 239.324229] ? kvm_clock_read+0x18/0x30 [ 239.328213] ? kvm_sched_clock_read+0x9/0x20 [ 239.332650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.338199] ? check_preemption_disabled+0x48/0x200 [ 239.343238] irq_exit+0x17f/0x1c0 [ 239.346703] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.351553] ? smp_reschedule_interrupt+0x109/0x650 [ 239.356578] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.362479] ? interrupt_entry+0xb5/0xf0 [ 239.366551] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.371923] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.376955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.381816] ? trace_hardirqs_off+0x300/0x300 [ 239.386321] ? trace_hardirqs_off+0x300/0x300 [ 239.390838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.396400] ? check_preemption_disabled+0x48/0x200 [ 239.401423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.406977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.411838] apic_timer_interrupt+0xf/0x20 [ 239.416073] [ 239.418318] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.423252] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 239.442161] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 239.449884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.457158] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 239.464434] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 239.471705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.478983] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 239.486321] skb_clone+0x1bb/0x500 [ 239.489884] ? finish_task_switch+0x1b5/0x900 [ 239.494407] ? skb_split+0x11e0/0x11e0 [ 239.498301] ? preempt_notifier_register+0x200/0x200 [ 239.503426] ? __switch_to_asm+0x34/0x70 [ 239.507493] ? __switch_to_asm+0x34/0x70 [ 239.511556] ? __switch_to_asm+0x40/0x70 [ 239.515618] ? __switch_to_asm+0x34/0x70 [ 239.519681] ? __switch_to_asm+0x40/0x70 [ 239.523745] ? __switch_to_asm+0x34/0x70 [ 239.527805] ? __switch_to_asm+0x40/0x70 [ 239.531867] ? __switch_to_asm+0x34/0x70 [ 239.535933] ? __switch_to_asm+0x34/0x70 [ 239.539995] ? __switch_to_asm+0x40/0x70 [ 239.544063] ? __switch_to_asm+0x34/0x70 [ 239.548154] bpf_clone_redirect+0xb9/0x490 [ 239.552405] ? __schedule+0x874/0x1ed0 [ 239.556308] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 239.561338] ? __sched_text_start+0x8/0x8 [ 239.565507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.570287] ? find_held_lock+0x36/0x1c0 [ 239.574380] ? lock_acquire+0x1ed/0x520 [ 239.578375] ? bpf_test_run+0x32e/0x5a0 [ 239.582363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.587914] ? check_preemption_disabled+0x48/0x200 [ 239.592944] ? kasan_check_read+0x11/0x20 [ 239.597103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.602401] ? rcu_bh_qs+0xc0/0xc0 [ 239.605946] ? preempt_schedule+0x4d/0x60 [ 239.610101] ? ___preempt_schedule+0x16/0x18 [ 239.614524] ? bpf_test_run+0x1c0/0x5a0 [ 239.618512] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.622931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.628476] ? bpf_test_init.isra.9+0x70/0x100 [ 239.633073] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.637844] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.642691] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.648237] ? fput+0x130/0x1a0 [ 239.651529] ? __bpf_prog_get+0x9b/0x290 [ 239.655595] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.660440] ? bpf_prog_test_run+0x130/0x1a0 [ 239.664875] ? __x64_sys_bpf+0x3d8/0x510 [ 239.668943] ? bpf_prog_get+0x20/0x20 [ 239.672757] ? ksys_ioctl+0x81/0xd0 [ 239.676413] ? do_syscall_64+0x1b9/0x820 [ 239.680497] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.685870] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.690810] ? trace_hardirqs_off+0x300/0x300 [ 239.695312] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.700335] ? recalc_sigpending_tsk+0x180/0x180 [ 239.705114] ? kasan_check_write+0x14/0x20 [ 239.709373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.714232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.719632] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 239.719726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.726565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.726571] Call Trace: [ 239.726579] [ 239.726598] dump_stack+0x1c4/0x2b4 [ 239.726614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.726641] warn_alloc.cold.118+0xb7/0x1bd [ 239.733176] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.742483] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.745047] syz-executor0 cpuset= [ 239.747196] ? lock_downgrade+0x900/0x900 [ 239.750790] syz0 [ 239.755989] ? trace_hardirqs_off+0xb8/0x300 [ 239.760381] mems_allowed=0 [ 239.770874] ? trace_hardirqs_off+0xb8/0x300 [ 239.796941] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.801836] ? warn_alloc+0x120/0x120 [ 239.805655] ? trace_hardirqs_on+0x310/0x310 [ 239.810075] ? warn_alloc+0x120/0x120 [ 239.813896] ? print_usage_bug+0xc0/0xc0 [ 239.817972] ? warn_alloc+0x120/0x120 [ 239.821782] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 239.826811] ? print_usage_bug+0xc0/0xc0 [ 239.830889] ? __lock_acquire+0x7ec/0x4ec0 [ 239.835130] ? __lock_acquire+0x7ec/0x4ec0 [ 239.839388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.844942] ? should_fail+0x22d/0xd01 [ 239.848849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.853968] ? __lock_acquire+0x7ec/0x4ec0 [ 239.858218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.863324] ? __lock_acquire+0x7ec/0x4ec0 [ 239.867572] ? should_fail+0x22d/0xd01 [ 239.871466] ? print_usage_bug+0xc0/0xc0 [ 239.875542] ? mark_held_locks+0x130/0x130 [ 239.879790] ? mark_held_locks+0x130/0x130 [ 239.884041] ? graph_lock+0x170/0x170 [ 239.887848] ? print_usage_bug+0xc0/0xc0 [ 239.891921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.896686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.902238] ? check_preemption_disabled+0x48/0x200 [ 239.907262] ? check_preemption_disabled+0x48/0x200 [ 239.912313] ? __lock_is_held+0xb5/0x140 [ 239.916399] __alloc_pages_nodemask+0xa80/0xde0 [ 239.921087] ? graph_lock+0x170/0x170 [ 239.924907] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.929947] ? graph_lock+0x170/0x170 [ 239.933774] ? find_held_lock+0x36/0x1c0 [ 239.937878] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.942562] ? lock_downgrade+0x900/0x900 [ 239.946731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.952283] cache_grow_begin+0x91/0x8c0 [ 239.956367] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.960791] fallback_alloc+0x203/0x2e0 [ 239.964779] ____cache_alloc_node+0x1c7/0x1e0 [ 239.969291] kmem_cache_alloc_node+0xe3/0x730 [ 239.973797] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.978081] __alloc_skb+0x119/0x770 [ 239.981826] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.987139] ? skb_scrub_packet+0x490/0x490 [ 239.991477] ? lock_downgrade+0x900/0x900 [ 239.995648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.001198] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.006689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.012157] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.016595] ndisc_alloc_skb+0x144/0x340 [ 240.020682] ndisc_send_rs+0x331/0x6e0 [ 240.024597] addrconf_rs_timer+0x3c0/0x6f0 [ 240.028872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.033136] call_timer_fn+0x272/0x920 [ 240.037043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.041292] ? process_timeout+0x40/0x40 [ 240.045391] ? find_held_lock+0x36/0x1c0 [ 240.049478] ? mark_held_locks+0xc7/0x130 [ 240.053637] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.058139] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.062656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.066918] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.071546] ? trace_hardirqs_on+0xbd/0x310 [ 240.075888] ? kasan_check_read+0x11/0x20 [ 240.080054] ? __run_timers+0x7da/0xc70 [ 240.084047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.089548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.093804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.098053] __run_timers+0x7e5/0xc70 [ 240.101890] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.107273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.112325] ? graph_lock+0x170/0x170 [ 240.116154] ? print_usage_bug+0xc0/0xc0 [ 240.120227] ? lock_release+0x970/0x970 [ 240.124224] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.129455] ? find_held_lock+0x36/0x1c0 [ 240.133533] ? graph_lock+0x170/0x170 [ 240.137363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.142918] ? check_preemption_disabled+0x48/0x200 [ 240.147961] ? __lock_is_held+0xb5/0x140 [ 240.152037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.157611] ? check_preemption_disabled+0x48/0x200 [ 240.162675] run_timer_softirq+0x52/0xb0 [ 240.166753] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.171793] __do_softirq+0x30b/0xad8 [ 240.175628] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.180756] ? pvclock_read_flags+0x160/0x160 [ 240.185270] ? lapic_next_event+0x5a/0x90 [ 240.189460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.195021] ? check_preemption_disabled+0x48/0x200 [ 240.200057] ? check_preemption_disabled+0x48/0x200 [ 240.205101] ? kvm_clock_read+0x18/0x30 [ 240.209096] ? kvm_sched_clock_read+0x9/0x20 [ 240.213525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.219083] ? check_preemption_disabled+0x48/0x200 [ 240.224133] irq_exit+0x17f/0x1c0 [ 240.227603] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.232459] ? smp_reschedule_interrupt+0x109/0x650 [ 240.237496] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.243406] ? interrupt_entry+0xb5/0xf0 [ 240.247487] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.252521] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.257561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.262422] ? trace_hardirqs_off+0x300/0x300 [ 240.266927] ? trace_hardirqs_off+0x300/0x300 [ 240.271435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.276989] ? check_preemption_disabled+0x48/0x200 [ 240.282018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.287579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.292444] apic_timer_interrupt+0xf/0x20 [ 240.296676] [ 240.298921] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 240.304202] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 240.323352] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 240.331088] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 240.338375] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 240.345655] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 240.352936] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 240.360220] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 240.367532] ? arch_local_irq_restore+0x45/0x52 [ 240.372232] dump_stack+0x26a/0x2b4 [ 240.375882] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.381086] ? mark_held_locks+0x130/0x130 [ 240.385854] ? mark_held_locks+0x130/0x130 [ 240.390111] dump_header+0x27b/0xf72 [ 240.393847] ? pagefault_out_of_memory+0x197/0x197 [ 240.398797] ? mark_held_locks+0x130/0x130 [ 240.403041] ? __lock_acquire+0x7ec/0x4ec0 [ 240.407282] ? mem_cgroup_charge_statistics+0x780/0x780 [ 240.412657] ? print_usage_bug+0xc0/0xc0 [ 240.416730] ? print_usage_bug+0xc0/0xc0 [ 240.420852] ? graph_lock+0x170/0x170 [ 240.424661] ? graph_lock+0x170/0x170 [ 240.428467] ? print_usage_bug+0xc0/0xc0 [ 240.432534] ? print_usage_bug+0xc0/0xc0 [ 240.436612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.442174] ? find_held_lock+0x36/0x1c0 [ 240.446775] ? mark_held_locks+0xc7/0x130 [ 240.450935] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 240.456046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 240.461161] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.465753] ? trace_hardirqs_on+0xbd/0x310 [ 240.470081] ? kasan_check_read+0x11/0x20 [ 240.474234] ? ___ratelimit+0x36f/0x655 [ 240.478217] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.483679] ? trace_hardirqs_on+0x310/0x310 [ 240.488097] ? lock_downgrade+0x900/0x900 [ 240.492260] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.497379] ? ___ratelimit+0xaa/0x655 [ 240.501278] ? idr_get_free+0xec0/0xec0 [ 240.505262] ? kasan_check_write+0x14/0x20 [ 240.509503] ? do_raw_spin_lock+0xc1/0x200 [ 240.513754] oom_kill_process.cold.27+0x10/0x903 [ 240.518519] ? graph_lock+0x170/0x170 [ 240.522325] ? _raw_spin_unlock+0x2c/0x50 [ 240.526485] ? oom_badness+0xe6/0xaa0 [ 240.530299] ? oom_evaluate_task+0x540/0x540 [ 240.534748] ? find_held_lock+0x36/0x1c0 [ 240.538830] ? out_of_memory+0x974/0x14c0 [ 240.542986] ? lock_downgrade+0x900/0x900 [ 240.547141] ? check_preemption_disabled+0x48/0x200 [ 240.552180] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.557989] ? kasan_check_read+0x11/0x20 [ 240.562151] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.567440] ? rcu_bh_qs+0xc0/0xc0 [ 240.570989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.576010] ? oom_evaluate_task+0x302/0x540 [ 240.580431] out_of_memory+0xa86/0x14c0 [ 240.584421] ? oom_killer_disable+0x3a0/0x3a0 [ 240.588926] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 240.593877] ? __mutex_add_waiter+0x2a0/0x2a0 [ 240.598399] __alloc_pages_slowpath+0x2318/0x2d80 [ 240.603285] ? warn_alloc+0x120/0x120 [ 240.607107] ? find_get_entry+0x2f2/0xc40 [ 240.611272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.616821] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 240.621761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.627309] ? should_fail+0x22d/0xd01 [ 240.631211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.636325] ? __lock_is_held+0xb5/0x140 [ 240.640431] ? __lock_is_held+0xb5/0x140 [ 240.644509] ? find_held_lock+0x36/0x1c0 [ 240.648584] ? ___might_sleep+0x1ed/0x300 [ 240.652735] ? lock_release+0x970/0x970 [ 240.656719] ? arch_local_save_flags+0x40/0x40 [ 240.661320] ? __might_sleep+0x95/0x190 [ 240.665306] __alloc_pages_nodemask+0xa80/0xde0 [ 240.669992] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.675019] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.680826] ? kasan_check_read+0x11/0x20 [ 240.684985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.690277] ? graph_lock+0x170/0x170 [ 240.694090] ? print_usage_bug+0xc0/0xc0 [ 240.698166] ? graph_lock+0x170/0x170 [ 240.701972] ? graph_lock+0x170/0x170 [ 240.705795] ? __do_page_cache_readahead+0x7ce/0x980 [ 240.710913] ? find_held_lock+0x36/0x1c0 [ 240.714988] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 240.720539] alloc_pages_current+0x10c/0x210 [ 240.724955] ? lock_downgrade+0x900/0x900 [ 240.729119] __page_cache_alloc+0x38f/0x5b0 [ 240.733451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.739256] ? kasan_check_read+0x11/0x20 [ 240.743416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.748711] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 240.753397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.758946] ? check_preemption_disabled+0x48/0x200 [ 240.763982] filemap_fault+0x1594/0x25f0 [ 240.768065] ? __lock_page_or_retry+0xa00/0xa00 [ 240.772744] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.778550] ? kasan_check_read+0x11/0x20 [ 240.782710] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.787998] ? rcu_bh_qs+0xc0/0xc0 [ 240.791590] ? filemap_map_pages+0xdea/0x1980 [ 240.796117] ? find_get_pages_range_tag+0x1320/0x1320 [ 240.801321] ? do_raw_spin_lock+0xc1/0x200 [ 240.805578] ? graph_lock+0x170/0x170 [ 240.809397] ? futex_wait_setup+0x266/0x3e0 [ 240.813749] ? lock_acquire+0x1ed/0x520 [ 240.817731] ? ext4_filemap_fault+0x7a/0xad [ 240.822066] ? lock_release+0x970/0x970 [ 240.826046] ? arch_local_save_flags+0x40/0x40 [ 240.830740] ? futex_wait_setup+0x3e0/0x3e0 [ 240.835071] ? print_usage_bug+0xc0/0xc0 [ 240.839152] ? down_read+0xb0/0x1d0 [ 240.842782] ? ext4_filemap_fault+0x7a/0xad [ 240.847113] ? __down_interruptible+0x700/0x700 [ 240.851898] ? find_held_lock+0x36/0x1c0 [ 240.855976] ext4_filemap_fault+0x82/0xad [ 240.860136] __do_fault+0x100/0x6b0 [ 240.863775] ? lock_downgrade+0x900/0x900 [ 240.867934] ? print_bad_pte+0x6c0/0x6c0 [ 240.872010] ? do_futex+0x249/0x26d0 [ 240.875744] ? kasan_check_read+0x11/0x20 [ 240.879906] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.884322] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 240.888922] ? add_mm_counter_fast+0xd0/0xd0 [ 240.893365] __handle_mm_fault+0x3709/0x53e0 [ 240.897795] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 240.902650] ? __fpu__restore_sig+0x62f/0x1680 [ 240.907241] ? graph_lock+0x170/0x170 [ 240.911053] ? print_usage_bug+0xc0/0xc0 [ 240.915122] ? graph_lock+0x170/0x170 [ 240.918928] ? graph_lock+0x170/0x170 [ 240.922733] ? graph_lock+0x170/0x170 [ 240.926564] ? handle_mm_fault+0x42a/0xc70 [ 240.930810] ? lock_downgrade+0x900/0x900 [ 240.934966] ? check_preemption_disabled+0x48/0x200 [ 240.940000] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.945810] ? kasan_check_read+0x11/0x20 [ 240.949974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.955266] ? rcu_bh_qs+0xc0/0xc0 [ 240.958812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.964274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.969829] ? check_preemption_disabled+0x48/0x200 [ 240.974876] handle_mm_fault+0x54f/0xc70 [ 240.978959] ? __handle_mm_fault+0x53e0/0x53e0 [ 240.983554] ? find_vma+0x34/0x190 [ 240.987108] __do_page_fault+0x67d/0xed0 [ 240.991188] ? mm_fault_error+0x380/0x380 [ 240.995342] ? trace_hardirqs_off+0xb8/0x300 [ 240.999769] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.005147] ? trace_hardirqs_on+0x310/0x310 [ 241.009575] do_page_fault+0xf2/0x7e0 [ 241.013397] ? vmalloc_sync_all+0x30/0x30 [ 241.017557] ? error_entry+0x70/0xd0 [ 241.021282] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.026304] ? trace_hardirqs_on_caller+0xc0/0x300 [ 241.031240] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.036177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.041033] ? trace_hardirqs_off+0x300/0x300 [ 241.045536] ? trace_hardirqs_off_caller+0x300/0x300 [ 241.050651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.056203] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.061240] ? page_fault+0x8/0x30 [ 241.064802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.069661] ? page_fault+0x8/0x30 [ 241.073213] page_fault+0x1e/0x30 [ 241.076670] RIP: 0033:0x407e06 [ 241.079873] Code: Bad RIP value. [ 241.083237] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 241.088608] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 241.095901] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 241.103179] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 241.110455] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 241.117730] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 241.125028] warn_alloc_show_mem: 1 callbacks suppressed [ 241.125041] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 241.125043] Mem-Info: [ 241.125073] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 241.125073] active_file:16 inactive_file:17 isolated_file:1 [ 241.125073] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.125073] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 241.125073] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 241.125073] free:13718 free_pcp:223 free_cma:0 [ 241.130427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.130440] Call Trace: [ 241.137635] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.140035] [ 241.172917] Node 0 [ 241.182295] dump_stack+0x1c4/0x2b4 [ 241.184892] 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 [ 241.212565] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.214684] lowmem_reserve[]: 0 [ 241.216939] warn_alloc.cold.118+0xb7/0x1bd [ 241.220521] 2817 6321 [ 241.246050] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.251211] 6321 [ 241.254505] ? lock_downgrade+0x900/0x900 [ 241.258802] Node 0 [ 241.261307] ? trace_hardirqs_off+0xb8/0x300 [ 241.266137] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 241.268189] ? trace_hardirqs_off+0xb8/0x300 [ 241.272294] lowmem_reserve[]: 0 [ 241.274547] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.278912] 0 3503 [ 241.305687] ? warn_alloc+0x120/0x120 [ 241.310051] 3503 [ 241.313782] ? warn_alloc+0x120/0x120 [ 241.318601] Node 0 [ 241.320841] ? print_usage_bug+0xc0/0xc0 [ 241.324636] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 241.326669] ? warn_alloc+0x120/0x120 [ 241.330434] lowmem_reserve[]: 0 [ 241.332677] ? print_usage_bug+0xc0/0xc0 [ 241.336716] 0 [ 241.365185] ? __lock_acquire+0x7ec/0x4ec0 [ 241.368962] 0 [ 241.372239] ? __lock_acquire+0x7ec/0x4ec0 [ 241.376268] 0 [ 241.378079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.382289] Node 0 [ 241.384093] ? should_fail+0x22d/0xd01 [ 241.388303] DMA: 1*4kB [ 241.390121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.395631] (U) [ 241.397867] ? __lock_acquire+0x7ec/0x4ec0 [ 241.401724] 0*8kB 0*16kB [ 241.404380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.409441] 1*32kB (U) [ 241.411428] ? __lock_acquire+0x7ec/0x4ec0 [ 241.415629] 2*64kB (U) [ 241.418400] ? should_fail+0x22d/0xd01 [ 241.423475] 1*128kB [ 241.426065] ? mark_held_locks+0x130/0x130 [ 241.430262] (U) [ 241.432848] ? mark_held_locks+0x130/0x130 [ 241.436879] 1*256kB (U) [ 241.439209] ? graph_lock+0x170/0x170 [ 241.443414] 0*512kB 1*1024kB [ 241.445407] ? graph_lock+0x170/0x170 [ 241.449620] (U) [ 241.452293] ? graph_lock+0x170/0x170 [ 241.456064] 1*2048kB (M) [ 241.459191] ? print_usage_bug+0xc0/0xc0 [ 241.462960] 3*4096kB (M) [ 241.464943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.468711] = 15908kB [ 241.468719] Node 0 [ 241.471474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.475502] DMA32: 2*4kB [ 241.478267] ? check_preemption_disabled+0x48/0x200 [ 241.483767] (M) 0*8kB [ 241.486210] ? check_preemption_disabled+0x48/0x200 [ 241.488412] 3*16kB (M) [ 241.493966] ? __lock_is_held+0xb5/0x140 [ 241.496684] 1*32kB (M) [ 241.501711] __alloc_pages_nodemask+0xa80/0xde0 [ 241.504181] 2*64kB [ 241.509197] ? graph_lock+0x170/0x170 [ 241.511755] (M) [ 241.515820] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.518375] 4*128kB (UM) [ 241.523057] ? graph_lock+0x170/0x170 [ 241.525261] 3*256kB (UM) [ 241.529074] ? find_held_lock+0x36/0x1c0 [ 241.531015] 4*512kB (UM) [ 241.536049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.538769] 3*1024kB (M) [ 241.542573] ? lock_downgrade+0x900/0x900 [ 241.545299] 3*2048kB (UM) [ 241.549385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.552099] 3*4096kB (M) [ 241.556783] cache_grow_begin+0x91/0x8c0 [ 241.559510] = 25048kB [ 241.563661] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.566479] Node 0 [ 241.572021] fallback_alloc+0x203/0x2e0 [ 241.574740] Normal: 865*4kB [ 241.578813] ____cache_alloc_node+0x1c7/0x1e0 [ 241.581190] (UMEH) [ 241.585601] kmem_cache_alloc_node+0xe3/0x730 [ 241.587799] 401*8kB (UMEH) [ 241.591783] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.594774] 165*16kB [ 241.599270] __alloc_skb+0x119/0x770 [ 241.601476] (UMEH) [ 241.605971] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.608864] 83*32kB (UMEH) [ 241.613123] ? skb_scrub_packet+0x490/0x490 [ 241.615503] 31*64kB (UMH) [ 241.619222] ? lock_downgrade+0x900/0x900 [ 241.621433] 0*128kB [ 241.626713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.629614] 0*256kB 0*512kB [ 241.633955] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.636769] 0*1024kB [ 241.640919] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.643212] 0*2048kB [ 241.648750] ? addrconf_rs_timer+0x6f0/0x6f0 [ 241.651735] 0*4096kB = 13948kB [ 241.657203] ndisc_alloc_skb+0x144/0x340 [ 241.659585] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.665034] ndisc_send_rs+0x331/0x6e0 [ 241.667418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 241.671822] addrconf_rs_timer+0x3c0/0x6f0 [ 241.674982] 413 total pagecache pages [ 241.679047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.687864] 0 pages in swap cache [ 241.691768] call_timer_fn+0x272/0x920 [ 241.700312] Swap cache stats: add 0, delete 0, find 0/0 [ 241.700323] Free swap = 0kB [ 241.704568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.708340] Total swap = 0kB [ 241.708348] 1965979 pages RAM [ 241.712598] ? process_timeout+0x40/0x40 [ 241.716018] 0 pages HighMem/MovableOnly [ 241.716027] 342744 pages reserved [ 241.719913] ? find_held_lock+0x36/0x1c0 [ 241.719940] ? __run_timers+0x7da/0xc70 [ 241.725278] 0 pages cma reserved [ 241.728302] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.732578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.735535] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.735551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.735570] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.738729] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.742746] ? trace_hardirqs_on+0xbd/0x310 [ 241.746698] syz-fuzzer cpuset= [ 241.750150] ? kasan_check_read+0x11/0x20 [ 241.750169] ? __run_timers+0x7da/0xc70 [ 241.754206] / [ 241.758185] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.761523] mems_allowed=0 [ 241.821705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.825968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.830223] __run_timers+0x7e5/0xc70 [ 241.834057] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.839441] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.844475] ? graph_lock+0x170/0x170 [ 241.848299] ? enqueue_hrtimer+0x1a5/0x560 [ 241.852555] ? lock_release+0x970/0x970 [ 241.856548] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.861792] ? find_held_lock+0x36/0x1c0 [ 241.865881] ? graph_lock+0x170/0x170 [ 241.869704] ? pvclock_read_flags+0x160/0x160 [ 241.874219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.879778] ? check_preemption_disabled+0x48/0x200 [ 241.884825] ? __lock_is_held+0xb5/0x140 [ 241.888908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.894465] ? check_preemption_disabled+0x48/0x200 [ 241.899504] run_timer_softirq+0x52/0xb0 [ 241.903584] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.908619] __do_softirq+0x30b/0xad8 [ 241.912450] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.917572] ? pvclock_read_flags+0x160/0x160 [ 241.922081] ? lapic_next_event+0x5a/0x90 [ 241.926258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.931816] ? check_preemption_disabled+0x48/0x200 [ 241.936864] ? check_preemption_disabled+0x48/0x200 [ 241.941926] ? kvm_clock_read+0x18/0x30 [ 241.945918] ? kvm_sched_clock_read+0x9/0x20 [ 241.950345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.955921] ? check_preemption_disabled+0x48/0x200 [ 241.960965] irq_exit+0x17f/0x1c0 [ 241.964438] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.969299] ? smp_reschedule_interrupt+0x109/0x650 [ 241.974332] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.980244] ? interrupt_entry+0xb5/0xf0 [ 241.984318] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.989345] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.994394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.999246] ? trace_hardirqs_off+0x300/0x300 [ 242.003747] ? trace_hardirqs_off+0x300/0x300 [ 242.008247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.013795] ? check_preemption_disabled+0x48/0x200 [ 242.018819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.024392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.029251] apic_timer_interrupt+0xf/0x20 [ 242.035048] [ 242.037295] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.042232] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 242.061153] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.068907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.076193] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 242.083476] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 242.090781] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.098086] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 242.105441] skb_clone+0x1bb/0x500 [ 242.108994] ? finish_task_switch+0x1b5/0x900 [ 242.113505] ? skb_split+0x11e0/0x11e0 [ 242.117419] ? preempt_notifier_register+0x200/0x200 [ 242.122533] ? __switch_to_asm+0x34/0x70 [ 242.126601] ? __switch_to_asm+0x34/0x70 [ 242.130693] ? __switch_to_asm+0x40/0x70 [ 242.134759] ? __switch_to_asm+0x34/0x70 [ 242.138824] ? __switch_to_asm+0x40/0x70 [ 242.142887] ? __switch_to_asm+0x34/0x70 [ 242.146955] ? __switch_to_asm+0x40/0x70 [ 242.151027] ? __switch_to_asm+0x34/0x70 [ 242.155106] ? __switch_to_asm+0x34/0x70 [ 242.159170] ? __switch_to_asm+0x40/0x70 [ 242.163233] ? __switch_to_asm+0x34/0x70 [ 242.167326] bpf_clone_redirect+0xb9/0x490 [ 242.171579] ? __schedule+0x874/0x1ed0 [ 242.175498] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 242.180531] ? __sched_text_start+0x8/0x8 [ 242.184687] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.189474] ? find_held_lock+0x36/0x1c0 [ 242.193546] ? lock_acquire+0x1ed/0x520 [ 242.197523] ? bpf_test_run+0x32e/0x5a0 [ 242.201504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.207049] ? check_preemption_disabled+0x48/0x200 [ 242.212082] ? kasan_check_read+0x11/0x20 [ 242.216239] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.221522] ? rcu_bh_qs+0xc0/0xc0 [ 242.225066] ? preempt_schedule+0x4d/0x60 [ 242.229222] ? ___preempt_schedule+0x16/0x18 [ 242.233656] ? bpf_test_run+0x1c0/0x5a0 [ 242.237647] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.242065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.247613] ? bpf_test_init.isra.9+0x70/0x100 [ 242.252209] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.256981] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.261846] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.267410] ? fput+0x130/0x1a0 [ 242.270719] ? __bpf_prog_get+0x9b/0x290 [ 242.274806] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.279679] ? bpf_prog_test_run+0x130/0x1a0 [ 242.284103] ? __x64_sys_bpf+0x3d8/0x510 [ 242.288171] ? bpf_prog_get+0x20/0x20 [ 242.291992] ? ksys_ioctl+0x81/0xd0 [ 242.295636] ? do_syscall_64+0x1b9/0x820 [ 242.299703] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.305085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.310031] ? trace_hardirqs_off+0x300/0x300 [ 242.315274] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.320301] ? recalc_sigpending_tsk+0x180/0x180 [ 242.325083] ? kasan_check_write+0x14/0x20 [ 242.329375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.334245] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.339673] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 242.339748] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.346624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.346630] Call Trace: [ 242.346636] [ 242.346664] dump_stack+0x1c4/0x2b4 [ 242.346679] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.346705] warn_alloc.cold.118+0xb7/0x1bd [ 242.353253] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.362566] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.365131] syz-executor0 cpuset= [ 242.367303] ? lock_downgrade+0x900/0x900 [ 242.370914] syz0 [ 242.376117] ? trace_hardirqs_off+0xb8/0x300 [ 242.380420] mems_allowed=0 [ 242.390920] ? trace_hardirqs_off+0xb8/0x300 [ 242.417532] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.422420] ? warn_alloc+0x120/0x120 [ 242.426235] ? warn_alloc+0x120/0x120 [ 242.430043] ? print_usage_bug+0xc0/0xc0 [ 242.434109] ? warn_alloc+0x120/0x120 [ 242.437916] ? print_usage_bug+0xc0/0xc0 [ 242.441989] ? __lock_acquire+0x7ec/0x4ec0 [ 242.446685] ? __lock_acquire+0x7ec/0x4ec0 [ 242.450931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.456477] ? should_fail+0x22d/0xd01 [ 242.460382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.465492] ? __lock_acquire+0x7ec/0x4ec0 [ 242.469740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.474849] ? __lock_acquire+0x7ec/0x4ec0 [ 242.479097] ? should_fail+0x22d/0xd01 [ 242.483004] ? mark_held_locks+0x130/0x130 [ 242.487253] ? mark_held_locks+0x130/0x130 [ 242.491498] ? graph_lock+0x170/0x170 [ 242.495304] ? graph_lock+0x170/0x170 [ 242.499111] ? graph_lock+0x170/0x170 [ 242.502916] ? print_usage_bug+0xc0/0xc0 [ 242.506983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.512525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.518071] ? check_preemption_disabled+0x48/0x200 [ 242.523093] ? check_preemption_disabled+0x48/0x200 [ 242.528128] ? __lock_is_held+0xb5/0x140 [ 242.532199] __alloc_pages_nodemask+0xa80/0xde0 [ 242.536878] ? graph_lock+0x170/0x170 [ 242.540696] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.545716] ? graph_lock+0x170/0x170 [ 242.549535] ? find_held_lock+0x36/0x1c0 [ 242.553611] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.558284] ? lock_downgrade+0x900/0x900 [ 242.562447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.567996] cache_grow_begin+0x91/0x8c0 [ 242.572064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.576488] fallback_alloc+0x203/0x2e0 [ 242.580479] ____cache_alloc_node+0x1c7/0x1e0 [ 242.584984] kmem_cache_alloc_node+0xe3/0x730 [ 242.589484] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.593730] __alloc_skb+0x119/0x770 [ 242.597450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.602984] ? skb_scrub_packet+0x490/0x490 [ 242.607308] ? lock_downgrade+0x900/0x900 [ 242.611466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.617005] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.622463] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.627918] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.632346] ndisc_alloc_skb+0x144/0x340 [ 242.636429] ndisc_send_rs+0x331/0x6e0 [ 242.640324] addrconf_rs_timer+0x3c0/0x6f0 [ 242.644575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.648824] call_timer_fn+0x272/0x920 [ 242.652718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.656955] ? process_timeout+0x40/0x40 [ 242.661014] ? find_held_lock+0x36/0x1c0 [ 242.665085] ? mark_held_locks+0xc7/0x130 [ 242.669247] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.673745] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.678242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.682502] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.687090] ? trace_hardirqs_on+0xbd/0x310 [ 242.691417] ? kasan_check_read+0x11/0x20 [ 242.695570] ? __run_timers+0x7da/0xc70 [ 242.699551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.705011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.709255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.713493] __run_timers+0x7e5/0xc70 [ 242.717310] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.722680] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.727701] ? graph_lock+0x170/0x170 [ 242.731512] ? print_usage_bug+0xc0/0xc0 [ 242.735577] ? lock_release+0x970/0x970 [ 242.739559] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.744758] ? find_held_lock+0x36/0x1c0 [ 242.748828] ? graph_lock+0x170/0x170 [ 242.752636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.758177] ? check_preemption_disabled+0x48/0x200 [ 242.763211] ? __lock_is_held+0xb5/0x140 [ 242.767279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.772821] ? check_preemption_disabled+0x48/0x200 [ 242.777848] run_timer_softirq+0x52/0xb0 [ 242.781916] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.786936] __do_softirq+0x30b/0xad8 [ 242.790754] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.795875] ? pvclock_read_flags+0x160/0x160 [ 242.800385] ? lapic_next_event+0x5a/0x90 [ 242.804543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.810088] ? check_preemption_disabled+0x48/0x200 [ 242.815104] ? check_preemption_disabled+0x48/0x200 [ 242.820130] ? kvm_clock_read+0x18/0x30 [ 242.824107] ? kvm_sched_clock_read+0x9/0x20 [ 242.828519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.834061] ? check_preemption_disabled+0x48/0x200 [ 242.839091] irq_exit+0x17f/0x1c0 [ 242.842557] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.847406] ? smp_reschedule_interrupt+0x109/0x650 [ 242.852429] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.858320] ? interrupt_entry+0xb5/0xf0 [ 242.862393] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.867411] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.872436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.877283] ? trace_hardirqs_off+0x300/0x300 [ 242.881781] ? trace_hardirqs_off+0x300/0x300 [ 242.886280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.891828] ? check_preemption_disabled+0x48/0x200 [ 242.896851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.902413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.907266] apic_timer_interrupt+0xf/0x20 [ 242.911499] [ 242.913742] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 242.919030] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 242.937937] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 242.945655] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 242.952927] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 242.960197] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 242.967468] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 242.974741] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 242.982044] ? arch_local_irq_restore+0x45/0x52 [ 242.986729] dump_stack+0x26a/0x2b4 [ 242.990372] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.995569] ? mark_held_locks+0x130/0x130 [ 242.999804] ? mark_held_locks+0x130/0x130 [ 243.004045] dump_header+0x27b/0xf72 [ 243.007776] ? pagefault_out_of_memory+0x197/0x197 [ 243.012713] ? mark_held_locks+0x130/0x130 [ 243.016949] ? __lock_acquire+0x7ec/0x4ec0 [ 243.021185] ? mem_cgroup_charge_statistics+0x780/0x780 [ 243.026555] ? print_usage_bug+0xc0/0xc0 [ 243.030617] ? print_usage_bug+0xc0/0xc0 [ 243.034688] ? graph_lock+0x170/0x170 [ 243.038487] ? graph_lock+0x170/0x170 [ 243.042289] ? print_usage_bug+0xc0/0xc0 [ 243.046353] ? print_usage_bug+0xc0/0xc0 [ 243.050443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.055990] ? find_held_lock+0x36/0x1c0 [ 243.060061] ? mark_held_locks+0xc7/0x130 [ 243.064217] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 243.069325] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 243.074443] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.079033] ? trace_hardirqs_on+0xbd/0x310 [ 243.083367] ? kasan_check_read+0x11/0x20 [ 243.087520] ? ___ratelimit+0x36f/0x655 [ 243.091504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.096978] ? trace_hardirqs_on+0x310/0x310 [ 243.101399] ? lock_downgrade+0x900/0x900 [ 243.105559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.110670] ? ___ratelimit+0xaa/0x655 [ 243.114567] ? idr_get_free+0xec0/0xec0 [ 243.118551] ? kasan_check_write+0x14/0x20 [ 243.122790] ? do_raw_spin_lock+0xc1/0x200 [ 243.127034] oom_kill_process.cold.27+0x10/0x903 [ 243.131792] ? graph_lock+0x170/0x170 [ 243.135592] ? _raw_spin_unlock+0x2c/0x50 [ 243.139746] ? oom_badness+0xe6/0xaa0 [ 243.143556] ? oom_evaluate_task+0x540/0x540 [ 243.147973] ? find_held_lock+0x36/0x1c0 [ 243.152045] ? out_of_memory+0x974/0x14c0 [ 243.156199] ? lock_downgrade+0x900/0x900 [ 243.160355] ? check_preemption_disabled+0x48/0x200 [ 243.165400] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.171202] ? kasan_check_read+0x11/0x20 [ 243.175366] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.180661] ? rcu_bh_qs+0xc0/0xc0 [ 243.184214] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.189241] ? oom_evaluate_task+0x302/0x540 [ 243.193666] out_of_memory+0xa86/0x14c0 [ 243.197660] ? oom_killer_disable+0x3a0/0x3a0 [ 243.202158] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 243.207093] ? __mutex_add_waiter+0x2a0/0x2a0 [ 243.211603] __alloc_pages_slowpath+0x2318/0x2d80 [ 243.216484] ? warn_alloc+0x120/0x120 [ 243.220299] ? find_get_entry+0x2f2/0xc40 [ 243.224464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.230004] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 243.234937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.240480] ? should_fail+0x22d/0xd01 [ 243.244383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.249495] ? __lock_is_held+0xb5/0x140 [ 243.253585] ? __lock_is_held+0xb5/0x140 [ 243.257655] ? find_held_lock+0x36/0x1c0 [ 243.261725] ? ___might_sleep+0x1ed/0x300 [ 243.265881] ? lock_release+0x970/0x970 [ 243.269860] ? arch_local_save_flags+0x40/0x40 [ 243.274470] ? __might_sleep+0x95/0x190 [ 243.278454] __alloc_pages_nodemask+0xa80/0xde0 [ 243.283133] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.288154] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.293953] ? kasan_check_read+0x11/0x20 [ 243.298109] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.303404] ? graph_lock+0x170/0x170 [ 243.307208] ? print_usage_bug+0xc0/0xc0 [ 243.311276] ? graph_lock+0x170/0x170 [ 243.315075] ? graph_lock+0x170/0x170 [ 243.318887] ? __do_page_cache_readahead+0x7ce/0x980 [ 243.324001] ? find_held_lock+0x36/0x1c0 [ 243.328068] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 243.333616] alloc_pages_current+0x10c/0x210 [ 243.338024] ? lock_downgrade+0x900/0x900 [ 243.342179] __page_cache_alloc+0x38f/0x5b0 [ 243.346516] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.352320] ? kasan_check_read+0x11/0x20 [ 243.356475] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.361760] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 243.366433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.371979] ? check_preemption_disabled+0x48/0x200 [ 243.377006] filemap_fault+0x1594/0x25f0 [ 243.381088] ? __lock_page_or_retry+0xa00/0xa00 [ 243.385765] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.391570] ? kasan_check_read+0x11/0x20 [ 243.395722] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.401006] ? rcu_bh_qs+0xc0/0xc0 [ 243.404565] ? filemap_map_pages+0xdea/0x1980 [ 243.409087] ? find_get_pages_range_tag+0x1320/0x1320 [ 243.414285] ? do_raw_spin_lock+0xc1/0x200 [ 243.418525] ? graph_lock+0x170/0x170 [ 243.422335] ? futex_wait_setup+0x266/0x3e0 [ 243.426691] ? lock_acquire+0x1ed/0x520 [ 243.430664] ? ext4_filemap_fault+0x7a/0xad [ 243.434995] ? lock_release+0x970/0x970 [ 243.438973] ? arch_local_save_flags+0x40/0x40 [ 243.443562] ? futex_wait_setup+0x3e0/0x3e0 [ 243.448369] ? print_usage_bug+0xc0/0xc0 [ 243.452453] ? down_read+0xb0/0x1d0 [ 243.456088] ? ext4_filemap_fault+0x7a/0xad [ 243.460412] ? __down_interruptible+0x700/0x700 [ 243.465100] ? find_held_lock+0x36/0x1c0 [ 243.469173] ext4_filemap_fault+0x82/0xad [ 243.473328] __do_fault+0x100/0x6b0 [ 243.476972] ? lock_downgrade+0x900/0x900 [ 243.481123] ? print_bad_pte+0x6c0/0x6c0 [ 243.485185] ? do_futex+0x249/0x26d0 [ 243.488912] ? kasan_check_read+0x11/0x20 [ 243.493066] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.497478] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 243.502065] ? add_mm_counter_fast+0xd0/0xd0 [ 243.506492] __handle_mm_fault+0x3709/0x53e0 [ 243.510919] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 243.515762] ? __fpu__restore_sig+0x62f/0x1680 [ 243.520348] ? graph_lock+0x170/0x170 [ 243.524162] ? print_usage_bug+0xc0/0xc0 [ 243.528231] ? graph_lock+0x170/0x170 [ 243.532035] ? graph_lock+0x170/0x170 [ 243.535837] ? graph_lock+0x170/0x170 [ 243.539677] ? handle_mm_fault+0x42a/0xc70 [ 243.543917] ? lock_downgrade+0x900/0x900 [ 243.548088] ? check_preemption_disabled+0x48/0x200 [ 243.553121] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.558921] ? kasan_check_read+0x11/0x20 [ 243.563081] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.568377] ? rcu_bh_qs+0xc0/0xc0 [ 243.571922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.577384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.582930] ? check_preemption_disabled+0x48/0x200 [ 243.587960] handle_mm_fault+0x54f/0xc70 [ 243.592028] ? __handle_mm_fault+0x53e0/0x53e0 [ 243.596617] ? find_vma+0x34/0x190 [ 243.600166] __do_page_fault+0x67d/0xed0 [ 243.604241] ? mm_fault_error+0x380/0x380 [ 243.608399] ? trace_hardirqs_off+0xb8/0x300 [ 243.612838] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.618208] ? trace_hardirqs_on+0x310/0x310 [ 243.622629] do_page_fault+0xf2/0x7e0 [ 243.626440] ? vmalloc_sync_all+0x30/0x30 [ 243.630594] ? error_entry+0x70/0xd0 [ 243.634312] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.639331] ? trace_hardirqs_on_caller+0xc0/0x300 [ 243.644271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.649203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.654047] ? trace_hardirqs_off+0x300/0x300 [ 243.658540] ? trace_hardirqs_off_caller+0x300/0x300 [ 243.663649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.669188] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.674209] ? page_fault+0x8/0x30 [ 243.677757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.682607] ? page_fault+0x8/0x30 [ 243.686148] page_fault+0x1e/0x30 [ 243.689600] RIP: 0033:0x407e06 [ 243.692800] Code: Bad RIP value. [ 243.696159] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 243.701521] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 243.708794] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 243.716062] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 243.723330] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 243.730612] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 243.737929] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 243.737935] warn_alloc_show_mem: 1 callbacks suppressed [ 243.737943] Mem-Info: [ 243.745132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.745142] Call Trace: [ 243.750517] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 243.750517] active_file:16 inactive_file:17 isolated_file:1 [ 243.750517] unevictable:0 dirty:0 writeback:0 unstable:0 [ 243.750517] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 243.750517] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 243.750517] free:13718 free_pcp:223 free_cma:0 [ 243.752892] [ 243.762259] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 243.764847] dump_stack+0x1c4/0x2b4 [ 243.797714] Node 0 [ 243.799904] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.827574] 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 [ 243.831189] warn_alloc.cold.118+0xb7/0x1bd [ 243.833390] lowmem_reserve[]: [ 243.838580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.864070] 0 [ 243.868409] ? lock_downgrade+0x900/0x900 [ 243.871483] 2817 [ 243.876331] ? trace_hardirqs_off+0xb8/0x300 [ 243.878118] 6321 [ 243.882270] ? trace_hardirqs_off+0xb8/0x300 [ 243.884296] 6321 [ 243.888715] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.895172] ? warn_alloc+0x120/0x120 [ 243.897181] Node 0 [ 243.902024] ? warn_alloc+0x120/0x120 [ 243.905821] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.908029] ? print_usage_bug+0xc0/0xc0 [ 243.911801] lowmem_reserve[]: [ 243.938529] ? warn_alloc+0x120/0x120 [ 243.942587] 0 [ 243.945955] ? print_usage_bug+0xc0/0xc0 [ 243.949743] 0 [ 243.951548] ? __lock_acquire+0x7ec/0x4ec0 [ 243.955575] 3503 3503 [ 243.957387] ? __lock_acquire+0x7ec/0x4ec0 [ 243.964092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.968297] Node 0 [ 243.973827] ? should_fail+0x22d/0xd01 [ 243.973858] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 243.973866] lowmem_reserve[]: [ 243.976102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.979960] 0 [ 244.008337] ? __lock_acquire+0x7ec/0x4ec0 [ 244.011419] 0 [ 244.016519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.018294] 0 [ 244.022522] ? __lock_acquire+0x7ec/0x4ec0 [ 244.024289] 0 [ 244.029404] ? should_fail+0x22d/0xd01 [ 244.031179] Node 0 [ 244.035417] ? mark_held_locks+0x130/0x130 [ 244.037184] DMA: [ 244.041063] ? mark_held_locks+0x130/0x130 [ 244.043277] 1*4kB [ 244.047506] ? graph_lock+0x170/0x170 [ 244.049543] (U) [ 244.053769] ? graph_lock+0x170/0x170 [ 244.055900] 0*8kB [ 244.059693] ? graph_lock+0x170/0x170 [ 244.061648] 0*16kB [ 244.065450] ? print_usage_bug+0xc0/0xc0 [ 244.067575] 1*32kB [ 244.071388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.073594] (U) [ 244.077647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.079851] 2*64kB (U) [ 244.085406] ? check_preemption_disabled+0x48/0x200 [ 244.087353] 1*128kB [ 244.092886] ? check_preemption_disabled+0x48/0x200 [ 244.092912] ? __lock_is_held+0xb5/0x140 [ 244.095462] (U) [ 244.100474] __alloc_pages_nodemask+0xa80/0xde0 [ 244.102768] 1*256kB [ 244.107775] ? graph_lock+0x170/0x170 [ 244.111808] (U) [ 244.113780] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.118420] 0*512kB 1*1024kB [ 244.120748] ? graph_lock+0x170/0x170 [ 244.124525] (U) [ 244.126510] ? find_held_lock+0x36/0x1c0 [ 244.131491] 1*2048kB (M) [ 244.134604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.138381] 3*4096kB [ 244.140355] ? lock_downgrade+0x900/0x900 [ 244.144401] (M) [ 244.147161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.151800] = 15908kB [ 244.154216] cache_grow_begin+0x91/0x8c0 [ 244.158331] Node 0 [ 244.160300] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.165801] DMA32: 2*4kB [ 244.168218] fallback_alloc+0x203/0x2e0 [ 244.172246] (M) [ 244.174480] ____cache_alloc_node+0x1c7/0x1e0 [ 244.178876] 0*8kB 3*16kB [ 244.181648] kmem_cache_alloc_node+0xe3/0x730 [ 244.185591] (M) [ 244.187562] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.192028] 1*32kB [ 244.194796] __alloc_skb+0x119/0x770 [ 244.199265] (M) [ 244.201242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.205441] 2*64kB (M) [ 244.207685] ? skb_scrub_packet+0x490/0x490 [ 244.211372] 4*128kB (UM) [ 244.213357] ? lock_downgrade+0x900/0x900 [ 244.218610] 3*256kB (UM) [ 244.221204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.225487] 4*512kB (UM) [ 244.228249] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.232383] 3*1024kB [ 244.235136] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.240637] (M) 3*2048kB [ 244.243408] ? addrconf_rs_timer+0x6f0/0x6f0 [ 244.248823] (UM) 3*4096kB [ 244.251245] ndisc_alloc_skb+0x144/0x340 [ 244.256658] (M) [ 244.259418] ndisc_send_rs+0x331/0x6e0 [ 244.263791] = 25048kB [ 244.263800] Node 0 [ 244.266641] addrconf_rs_timer+0x3c0/0x6f0 [ 244.270667] Normal: 865*4kB [ 244.272657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.276519] (UMEH) [ 244.278934] call_timer_fn+0x272/0x920 [ 244.281135] 401*8kB [ 244.285382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.288379] (UMEH) [ 244.292610] ? process_timeout+0x40/0x40 [ 244.294814] 165*16kB (UMEH) [ 244.298704] ? find_held_lock+0x36/0x1c0 [ 244.301005] 83*32kB [ 244.305242] ? __run_timers+0x7da/0xc70 [ 244.307444] (UMEH) [ 244.311498] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.314723] 31*64kB (UMH) [ 244.318789] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.321089] 0*128kB [ 244.325057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.327269] 0*256kB [ 244.331759] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.334574] 0*512kB 0*1024kB [ 244.339071] ? trace_hardirqs_on+0xbd/0x310 [ 244.341382] 0*2048kB [ 244.345613] ? kasan_check_read+0x11/0x20 [ 244.347911] 0*4096kB [ 244.352487] ? __run_timers+0x7da/0xc70 [ 244.355568] = 13948kB [ 244.359889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.362281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.366417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.368805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.372766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.375150] 413 total pagecache pages [ 244.380594] __run_timers+0x7e5/0xc70 [ 244.389410] 0 pages in swap cache [ 244.393642] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.402184] Swap cache stats: add 0, delete 0, find 0/0 [ 244.406408] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.410174] Free swap = 0kB [ 244.410183] Total swap = 0kB [ 244.413973] ? graph_lock+0x170/0x170 [ 244.417401] 1965979 pages RAM [ 244.422760] ? enqueue_hrtimer+0x1a5/0x560 [ 244.428092] 0 pages HighMem/MovableOnly [ 244.428101] 342744 pages reserved [ 244.433112] ? lock_release+0x970/0x970 [ 244.436101] 0 pages cma reserved [ 244.439115] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.442959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.446211] ? find_held_lock+0x36/0x1c0 [ 244.446231] ? graph_lock+0x170/0x170 [ 244.446248] ? pvclock_read_flags+0x160/0x160 [ 244.450605] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.454437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.457877] syz-fuzzer cpuset= [ 244.461847] ? check_preemption_disabled+0x48/0x200 [ 244.465181] / [ 244.470390] ? __lock_is_held+0xb5/0x140 [ 244.476843] mems_allowed=0 [ 244.521759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.527306] ? check_preemption_disabled+0x48/0x200 [ 244.532339] run_timer_softirq+0x52/0xb0 [ 244.536415] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.541439] __do_softirq+0x30b/0xad8 [ 244.545257] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.550385] ? pvclock_read_flags+0x160/0x160 [ 244.554886] ? lapic_next_event+0x5a/0x90 [ 244.559037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.564581] ? check_preemption_disabled+0x48/0x200 [ 244.569602] ? check_preemption_disabled+0x48/0x200 [ 244.574627] ? kvm_clock_read+0x18/0x30 [ 244.578601] ? kvm_sched_clock_read+0x9/0x20 [ 244.583014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.588557] ? check_preemption_disabled+0x48/0x200 [ 244.593599] irq_exit+0x17f/0x1c0 [ 244.597063] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.601907] ? smp_reschedule_interrupt+0x109/0x650 [ 244.606937] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.612835] ? interrupt_entry+0xb5/0xf0 [ 244.616952] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.621967] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.626984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.631830] ? trace_hardirqs_off+0x300/0x300 [ 244.636324] ? trace_hardirqs_off+0x300/0x300 [ 244.640820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.646375] ? check_preemption_disabled+0x48/0x200 [ 244.651399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.656948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.661819] apic_timer_interrupt+0xf/0x20 [ 244.666052] [ 244.668300] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.673231] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 244.692132] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 244.699841] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.707108] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 244.714389] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 244.721661] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.728930] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 244.736251] skb_clone+0x1bb/0x500 [ 244.739801] ? finish_task_switch+0x1b5/0x900 [ 244.744307] ? skb_split+0x11e0/0x11e0 [ 244.748197] ? preempt_notifier_register+0x200/0x200 [ 244.753302] ? __switch_to_asm+0x34/0x70 [ 244.757375] ? __switch_to_asm+0x34/0x70 [ 244.761435] ? __switch_to_asm+0x40/0x70 [ 244.765498] ? __switch_to_asm+0x34/0x70 [ 244.769557] ? __switch_to_asm+0x40/0x70 [ 244.773619] ? __switch_to_asm+0x34/0x70 [ 244.777677] ? __switch_to_asm+0x40/0x70 [ 244.781739] ? __switch_to_asm+0x34/0x70 [ 244.785804] ? __switch_to_asm+0x34/0x70 [ 244.789865] ? __switch_to_asm+0x40/0x70 [ 244.793923] ? __switch_to_asm+0x34/0x70 [ 244.797999] bpf_clone_redirect+0xb9/0x490 [ 244.802242] ? __schedule+0x874/0x1ed0 [ 244.806141] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 244.811164] ? __sched_text_start+0x8/0x8 [ 244.815312] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.820087] ? find_held_lock+0x36/0x1c0 [ 244.824159] ? lock_acquire+0x1ed/0x520 [ 244.828131] ? bpf_test_run+0x32e/0x5a0 [ 244.832110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.837655] ? check_preemption_disabled+0x48/0x200 [ 244.842680] ? kasan_check_read+0x11/0x20 [ 244.846834] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.852115] ? rcu_bh_qs+0xc0/0xc0 [ 244.855660] ? preempt_schedule+0x4d/0x60 [ 244.859848] ? ___preempt_schedule+0x16/0x18 [ 244.864280] ? bpf_test_run+0x1c0/0x5a0 [ 244.868267] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.872679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.878219] ? bpf_test_init.isra.9+0x70/0x100 [ 244.882806] ? bpf_prog_test_run_skb+0x634/0xb40 [ 244.887574] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.892420] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.897957] ? fput+0x130/0x1a0 [ 244.901236] ? __bpf_prog_get+0x9b/0x290 [ 244.905303] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.910145] ? bpf_prog_test_run+0x130/0x1a0 [ 244.914557] ? __x64_sys_bpf+0x3d8/0x510 [ 244.918619] ? bpf_prog_get+0x20/0x20 [ 244.922427] ? ksys_ioctl+0x81/0xd0 [ 244.926070] ? do_syscall_64+0x1b9/0x820 [ 244.930130] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.935512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.940444] ? trace_hardirqs_off+0x300/0x300 [ 244.944945] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.949968] ? recalc_sigpending_tsk+0x180/0x180 [ 244.954735] ? kasan_check_write+0x14/0x20 [ 244.958984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.963838] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.969224] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 244.969296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.976154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.976159] Call Trace: [ 244.976166] [ 244.976182] dump_stack+0x1c4/0x2b4 [ 244.976197] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.976223] warn_alloc.cold.118+0xb7/0x1bd [ 244.982752] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.992048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.994626] syz-executor0 cpuset= [ 244.996773] ? lock_downgrade+0x900/0x900 [ 245.000386] syz0 [ 245.005577] ? trace_hardirqs_off+0xb8/0x300 [ 245.009881] mems_allowed=0 [ 245.020403] ? trace_hardirqs_off+0xb8/0x300 [ 245.046486] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.051375] ? warn_alloc+0x120/0x120 [ 245.055185] ? warn_alloc+0x120/0x120 [ 245.058988] ? print_usage_bug+0xc0/0xc0 [ 245.063050] ? warn_alloc+0x120/0x120 [ 245.066857] ? print_usage_bug+0xc0/0xc0 [ 245.070936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.076477] ? should_fail+0x22d/0xd01 [ 245.080374] ? lock_downgrade+0x900/0x900 [ 245.084539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.089650] ? __lock_acquire+0x7ec/0x4ec0 [ 245.093900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.099010] ? __lock_acquire+0x7ec/0x4ec0 [ 245.103247] ? should_fail+0x22d/0xd01 [ 245.107151] ? mark_held_locks+0x130/0x130 [ 245.111399] ? mark_held_locks+0x130/0x130 [ 245.115644] ? select_task_rq_fair+0x754/0x34f0 [ 245.120316] ? lock_downgrade+0x900/0x900 [ 245.124472] ? check_preemption_disabled+0x48/0x200 [ 245.129492] ? graph_lock+0x170/0x170 [ 245.133296] ? print_usage_bug+0xc0/0xc0 [ 245.137371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.142915] ? check_preemption_disabled+0x48/0x200 [ 245.147938] ? check_preemption_disabled+0x48/0x200 [ 245.152972] ? __lock_is_held+0xb5/0x140 [ 245.157046] __alloc_pages_nodemask+0xa80/0xde0 [ 245.161721] ? graph_lock+0x170/0x170 [ 245.165532] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.170549] ? graph_lock+0x170/0x170 [ 245.175064] ? find_held_lock+0x36/0x1c0 [ 245.179146] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.183823] ? lock_downgrade+0x900/0x900 [ 245.187985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.193537] cache_grow_begin+0x91/0x8c0 [ 245.197609] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.202030] fallback_alloc+0x203/0x2e0 [ 245.206015] ____cache_alloc_node+0x1c7/0x1e0 [ 245.210525] kmem_cache_alloc_node+0xe3/0x730 [ 245.215028] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.219275] __alloc_skb+0x119/0x770 [ 245.222992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.228279] ? skb_scrub_packet+0x490/0x490 [ 245.232609] ? lock_downgrade+0x900/0x900 [ 245.236769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.242317] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.247788] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.253246] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.257677] ndisc_alloc_skb+0x144/0x340 [ 245.261750] ndisc_send_rs+0x331/0x6e0 [ 245.265649] addrconf_rs_timer+0x3c0/0x6f0 [ 245.269899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.274156] call_timer_fn+0x272/0x920 [ 245.278050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.282299] ? process_timeout+0x40/0x40 [ 245.286373] ? find_held_lock+0x36/0x1c0 [ 245.290452] ? mark_held_locks+0xc7/0x130 [ 245.294605] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.299107] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.303604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.307865] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.312461] ? trace_hardirqs_on+0xbd/0x310 [ 245.316789] ? kasan_check_read+0x11/0x20 [ 245.320941] ? __run_timers+0x7da/0xc70 [ 245.324920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.330397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.334638] __run_timers+0x7e5/0xc70 [ 245.338455] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.343821] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.348840] ? graph_lock+0x170/0x170 [ 245.352659] ? print_usage_bug+0xc0/0xc0 [ 245.356719] ? lock_release+0x970/0x970 [ 245.360697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.365914] ? find_held_lock+0x36/0x1c0 [ 245.369990] ? graph_lock+0x170/0x170 [ 245.373941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.379498] ? check_preemption_disabled+0x48/0x200 [ 245.384547] ? __lock_is_held+0xb5/0x140 [ 245.388626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.394178] ? check_preemption_disabled+0x48/0x200 [ 245.399208] run_timer_softirq+0x52/0xb0 [ 245.403277] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.408305] __do_softirq+0x30b/0xad8 [ 245.412123] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.417247] ? pvclock_read_flags+0x160/0x160 [ 245.421752] ? lapic_next_event+0x5a/0x90 [ 245.425910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.431982] ? check_preemption_disabled+0x48/0x200 [ 245.437013] ? check_preemption_disabled+0x48/0x200 [ 245.442049] ? kvm_clock_read+0x18/0x30 [ 245.446037] ? kvm_sched_clock_read+0x9/0x20 [ 245.450459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.456009] ? check_preemption_disabled+0x48/0x200 [ 245.461045] irq_exit+0x17f/0x1c0 [ 245.464513] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.469370] ? smp_reschedule_interrupt+0x109/0x650 [ 245.474404] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.480300] ? interrupt_entry+0xb5/0xf0 [ 245.484376] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.489410] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.494447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.499302] ? trace_hardirqs_off+0x300/0x300 [ 245.503804] ? trace_hardirqs_off+0x300/0x300 [ 245.508308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.513859] ? check_preemption_disabled+0x48/0x200 [ 245.518897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.524458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.529316] apic_timer_interrupt+0xf/0x20 [ 245.533546] [ 245.535790] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 245.541072] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 245.559982] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 245.567721] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 245.574998] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 245.582275] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 245.589546] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 245.596819] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 245.604116] ? arch_local_irq_restore+0x45/0x52 [ 245.608802] dump_stack+0x26a/0x2b4 [ 245.612438] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.617637] ? mark_held_locks+0x130/0x130 [ 245.621884] ? mark_held_locks+0x130/0x130 [ 245.626131] dump_header+0x27b/0xf72 [ 245.629867] ? pagefault_out_of_memory+0x197/0x197 [ 245.634808] ? mark_held_locks+0x130/0x130 [ 245.639044] ? __lock_acquire+0x7ec/0x4ec0 [ 245.643282] ? mem_cgroup_charge_statistics+0x780/0x780 [ 245.648647] ? print_usage_bug+0xc0/0xc0 [ 245.652708] ? print_usage_bug+0xc0/0xc0 [ 245.656777] ? graph_lock+0x170/0x170 [ 245.660579] ? graph_lock+0x170/0x170 [ 245.664388] ? print_usage_bug+0xc0/0xc0 [ 245.668455] ? print_usage_bug+0xc0/0xc0 [ 245.672546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.678097] ? find_held_lock+0x36/0x1c0 [ 245.682177] ? mark_held_locks+0xc7/0x130 [ 245.686344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 245.691470] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 245.696580] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.701175] ? trace_hardirqs_on+0xbd/0x310 [ 245.705507] ? kasan_check_read+0x11/0x20 [ 245.709664] ? ___ratelimit+0x36f/0x655 [ 245.713666] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.719128] ? trace_hardirqs_on+0x310/0x310 [ 245.723542] ? lock_downgrade+0x900/0x900 [ 245.727705] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.732819] ? ___ratelimit+0xaa/0x655 [ 245.736717] ? idr_get_free+0xec0/0xec0 [ 245.740700] ? kasan_check_write+0x14/0x20 [ 245.744945] ? do_raw_spin_lock+0xc1/0x200 [ 245.749379] oom_kill_process.cold.27+0x10/0x903 [ 245.754142] ? graph_lock+0x170/0x170 [ 245.757948] ? _raw_spin_unlock+0x2c/0x50 [ 245.762103] ? oom_badness+0xe6/0xaa0 [ 245.765914] ? oom_evaluate_task+0x540/0x540 [ 245.770330] ? find_held_lock+0x36/0x1c0 [ 245.774410] ? out_of_memory+0x974/0x14c0 [ 245.778564] ? lock_downgrade+0x900/0x900 [ 245.782721] ? check_preemption_disabled+0x48/0x200 [ 245.787753] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.793581] ? kasan_check_read+0x11/0x20 [ 245.797743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.803032] ? rcu_bh_qs+0xc0/0xc0 [ 245.806582] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.811605] ? oom_evaluate_task+0x302/0x540 [ 245.816027] out_of_memory+0xa86/0x14c0 [ 245.820016] ? oom_killer_disable+0x3a0/0x3a0 [ 245.824520] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 245.829460] ? __mutex_add_waiter+0x2a0/0x2a0 [ 245.833975] __alloc_pages_slowpath+0x2318/0x2d80 [ 245.838861] ? warn_alloc+0x120/0x120 [ 245.842692] ? find_get_entry+0x2f2/0xc40 [ 245.846858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.852411] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 245.857350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.862907] ? should_fail+0x22d/0xd01 [ 245.866806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.871919] ? __lock_is_held+0xb5/0x140 [ 245.876016] ? __lock_is_held+0xb5/0x140 [ 245.880092] ? find_held_lock+0x36/0x1c0 [ 245.884164] ? ___might_sleep+0x1ed/0x300 [ 245.888312] ? lock_release+0x970/0x970 [ 245.892291] ? arch_local_save_flags+0x40/0x40 [ 245.896901] ? __might_sleep+0x95/0x190 [ 245.900901] __alloc_pages_nodemask+0xa80/0xde0 [ 245.905587] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.910613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.916416] ? kasan_check_read+0x11/0x20 [ 245.920583] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.925877] ? graph_lock+0x170/0x170 [ 245.929688] ? print_usage_bug+0xc0/0xc0 [ 245.933755] ? graph_lock+0x170/0x170 [ 245.937559] ? graph_lock+0x170/0x170 [ 245.941370] ? __do_page_cache_readahead+0x7ce/0x980 [ 245.946499] ? find_held_lock+0x36/0x1c0 [ 245.950587] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 245.956140] alloc_pages_current+0x10c/0x210 [ 245.960557] ? lock_downgrade+0x900/0x900 [ 245.964717] __page_cache_alloc+0x38f/0x5b0 [ 245.969059] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.974864] ? kasan_check_read+0x11/0x20 [ 245.979024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.984308] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 245.988980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.994522] ? check_preemption_disabled+0x48/0x200 [ 245.999553] filemap_fault+0x1594/0x25f0 [ 246.003633] ? __lock_page_or_retry+0xa00/0xa00 [ 246.008307] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.014110] ? kasan_check_read+0x11/0x20 [ 246.018267] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.023557] ? rcu_bh_qs+0xc0/0xc0 [ 246.027115] ? filemap_map_pages+0xdea/0x1980 [ 246.031632] ? find_get_pages_range_tag+0x1320/0x1320 [ 246.036830] ? do_raw_spin_lock+0xc1/0x200 [ 246.041068] ? graph_lock+0x170/0x170 [ 246.044884] ? futex_wait_setup+0x266/0x3e0 [ 246.049235] ? lock_acquire+0x1ed/0x520 [ 246.053210] ? ext4_filemap_fault+0x7a/0xad [ 246.057540] ? lock_release+0x970/0x970 [ 246.061515] ? arch_local_save_flags+0x40/0x40 [ 246.066106] ? futex_wait_setup+0x3e0/0x3e0 [ 246.070426] ? print_usage_bug+0xc0/0xc0 [ 246.074502] ? down_read+0xb0/0x1d0 [ 246.078132] ? ext4_filemap_fault+0x7a/0xad [ 246.082456] ? __down_interruptible+0x700/0x700 [ 246.087143] ? find_held_lock+0x36/0x1c0 [ 246.091214] ext4_filemap_fault+0x82/0xad [ 246.095378] __do_fault+0x100/0x6b0 [ 246.099012] ? lock_downgrade+0x900/0x900 [ 246.103161] ? print_bad_pte+0x6c0/0x6c0 [ 246.107227] ? do_futex+0x249/0x26d0 [ 246.110947] ? kasan_check_read+0x11/0x20 [ 246.115104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.119520] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 246.124110] ? add_mm_counter_fast+0xd0/0xd0 [ 246.128536] __handle_mm_fault+0x3709/0x53e0 [ 246.132957] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 246.137814] ? __fpu__restore_sig+0x62f/0x1680 [ 246.142402] ? graph_lock+0x170/0x170 [ 246.146204] ? print_usage_bug+0xc0/0xc0 [ 246.150270] ? graph_lock+0x170/0x170 [ 246.154077] ? graph_lock+0x170/0x170 [ 246.157885] ? graph_lock+0x170/0x170 [ 246.161710] ? handle_mm_fault+0x42a/0xc70 [ 246.165951] ? lock_downgrade+0x900/0x900 [ 246.170100] ? check_preemption_disabled+0x48/0x200 [ 246.175125] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.180931] ? kasan_check_read+0x11/0x20 [ 246.185085] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.190380] ? rcu_bh_qs+0xc0/0xc0 [ 246.193924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.199388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.204932] ? check_preemption_disabled+0x48/0x200 [ 246.209964] handle_mm_fault+0x54f/0xc70 [ 246.214034] ? __handle_mm_fault+0x53e0/0x53e0 [ 246.218623] ? find_vma+0x34/0x190 [ 246.222174] __do_page_fault+0x67d/0xed0 [ 246.226247] ? mm_fault_error+0x380/0x380 [ 246.230400] ? trace_hardirqs_off+0xb8/0x300 [ 246.234822] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.240194] ? trace_hardirqs_on+0x310/0x310 [ 246.244611] do_page_fault+0xf2/0x7e0 [ 246.248416] ? vmalloc_sync_all+0x30/0x30 [ 246.252573] ? error_entry+0x70/0xd0 [ 246.256295] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.261324] ? trace_hardirqs_on_caller+0xc0/0x300 [ 246.266271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.271218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.276075] ? trace_hardirqs_off+0x300/0x300 [ 246.280570] ? trace_hardirqs_off_caller+0x300/0x300 [ 246.285700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.291247] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.296276] ? page_fault+0x8/0x30 [ 246.299834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.304696] ? page_fault+0x8/0x30 [ 246.308244] page_fault+0x1e/0x30 [ 246.311706] RIP: 0033:0x407e06 [ 246.315476] Code: Bad RIP value. [ 246.318841] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 246.324211] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 246.331488] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 246.338766] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 246.346836] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 246.354112] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 246.361427] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 246.361432] warn_alloc_show_mem: 1 callbacks suppressed [ 246.361440] Mem-Info: [ 246.368625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.368635] Call Trace: [ 246.374028] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 246.374028] active_file:16 inactive_file:17 isolated_file:1 [ 246.374028] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.374028] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 246.374028] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 246.374028] free:13718 free_pcp:223 free_cma:0 [ 246.376404] [ 246.385773] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.388358] dump_stack+0x1c4/0x2b4 [ 246.421236] Node 0 [ 246.423402] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.451575] 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 [ 246.455201] warn_alloc.cold.118+0xb7/0x1bd [ 246.457400] lowmem_reserve[]: [ 246.462591] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.488073] 0 [ 246.492415] ? lock_downgrade+0x900/0x900 [ 246.495526] 2817 6321 [ 246.500396] ? trace_hardirqs_off+0xb8/0x300 [ 246.502159] 6321 [ 246.506307] ? trace_hardirqs_off+0xb8/0x300 [ 246.508776] Node 0 [ 246.513185] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.515240] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.519646] ? warn_alloc+0x120/0x120 [ 246.521822] lowmem_reserve[]: 0 [ 246.526673] ? warn_alloc+0x120/0x120 [ 246.553715] 0 3503 [ 246.557546] ? print_usage_bug+0xc0/0xc0 [ 246.560793] 3503 [ 246.564595] ? warn_alloc+0x120/0x120 [ 246.566818] Node 0 [ 246.570878] ? print_usage_bug+0xc0/0xc0 [ 246.572944] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 246.576713] ? __lock_acquire+0x7ec/0x4ec0 [ 246.578914] lowmem_reserve[]: 0 [ 246.582980] ? __lock_acquire+0x7ec/0x4ec0 [ 246.611322] 0 0 [ 246.615579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.618819] 0 [ 246.623057] ? should_fail+0x22d/0xd01 [ 246.625004] Node 0 [ 246.630534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.632300] DMA: 1*4kB [ 246.636189] ? __lock_acquire+0x7ec/0x4ec0 [ 246.638416] (U) [ 246.643530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.646080] 0*8kB [ 246.650310] ? __lock_acquire+0x7ec/0x4ec0 [ 246.652259] 0*16kB [ 246.657357] ? should_fail+0x22d/0xd01 [ 246.659481] 1*32kB (U) [ 246.663759] ? mark_held_locks+0x130/0x130 [ 246.665930] 2*64kB [ 246.669811] ? mark_held_locks+0x130/0x130 [ 246.672378] (U) [ 246.676605] ? graph_lock+0x170/0x170 [ 246.678818] 1*128kB (U) [ 246.683052] ? graph_lock+0x170/0x170 [ 246.685007] 1*256kB [ 246.688800] ? graph_lock+0x170/0x170 [ 246.691448] (U) [ 246.695241] ? print_usage_bug+0xc0/0xc0 [ 246.697560] 0*512kB 1*1024kB [ 246.701371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.703318] (U) [ 246.707384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.710454] 1*2048kB (M) [ 246.715997] ? check_preemption_disabled+0x48/0x200 [ 246.717943] 3*4096kB [ 246.723478] ? check_preemption_disabled+0x48/0x200 [ 246.726199] (M) = 15908kB [ 246.731227] ? __lock_is_held+0xb5/0x140 [ 246.733602] Node 0 [ 246.738617] __alloc_pages_nodemask+0xa80/0xde0 [ 246.741347] DMA32: [ 246.745410] ? graph_lock+0x170/0x170 [ 246.747624] 2*4kB [ 246.752287] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.754495] (M) [ 246.758290] ? graph_lock+0x170/0x170 [ 246.760407] 0*8kB 3*16kB [ 246.765433] ? find_held_lock+0x36/0x1c0 [ 246.767378] (M) 1*32kB [ 246.771189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.773917] (M) [ 246.777971] ? lock_downgrade+0x900/0x900 [ 246.780532] 2*64kB (M) [ 246.785208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.787147] 4*128kB (UM) [ 246.791304] cache_grow_begin+0x91/0x8c0 [ 246.793864] 3*256kB [ 246.799415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.802143] (UM) [ 246.806209] fallback_alloc+0x203/0x2e0 [ 246.808499] 4*512kB [ 246.812916] ____cache_alloc_node+0x1c7/0x1e0 [ 246.814948] (UM) [ 246.818925] kmem_cache_alloc_node+0xe3/0x730 [ 246.821215] 3*1024kB (M) [ 246.825725] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.827758] 3*2048kB [ 246.832341] __alloc_skb+0x119/0x770 [ 246.835066] (UM) [ 246.839301] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.841679] 3*4096kB [ 246.845399] ? skb_scrub_packet+0x490/0x490 [ 246.847441] (M) [ 246.852716] ? lock_downgrade+0x900/0x900 [ 246.855091] = 25048kB [ 246.855100] Node 0 [ 246.859422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.861379] Normal: [ 246.865523] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.867907] 865*4kB [ 246.870140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.875643] (UMEH) 401*8kB [ 246.877972] ? addrconf_rs_timer+0x6f0/0x6f0 [ 246.883391] (UMEH) 165*16kB [ 246.885734] ndisc_alloc_skb+0x144/0x340 [ 246.891143] (UMEH) 83*32kB [ 246.894083] ndisc_send_rs+0x331/0x6e0 [ 246.898458] (UMEH) 31*64kB [ 246.901484] addrconf_rs_timer+0x3c0/0x6f0 [ 246.905508] (UMH) 0*128kB [ 246.908459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.912310] 0*256kB 0*512kB [ 246.915258] call_timer_fn+0x272/0x920 [ 246.919450] 0*1024kB 0*2048kB [ 246.922302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.926503] 0*4096kB = 13948kB [ 246.929527] ? process_timeout+0x40/0x40 [ 246.933400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.936580] ? find_held_lock+0x36/0x1c0 [ 246.940798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.943987] ? __run_timers+0x7da/0xc70 [ 246.948019] 413 total pagecache pages [ 246.956855] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.960903] 0 pages in swap cache [ 246.969471] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.973422] Swap cache stats: add 0, delete 0, find 0/0 [ 246.977212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.981678] Free swap = 0kB [ 246.985123] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.989583] Total swap = 0kB [ 246.989592] 1965979 pages RAM [ 246.994948] ? trace_hardirqs_on+0xbd/0x310 [ 246.999158] 0 pages HighMem/MovableOnly [ 247.002170] ? kasan_check_read+0x11/0x20 [ 247.006726] 342744 pages reserved [ 247.009739] ? __run_timers+0x7da/0xc70 [ 247.012819] 0 pages cma reserved [ 247.017136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.021150] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.025230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.025250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.025269] __run_timers+0x7e5/0xc70 [ 247.028759] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.032679] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.036009] syz-fuzzer cpuset= [ 247.041454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.047921] / [ 247.052151] ? graph_lock+0x170/0x170 [ 247.056358] mems_allowed=0 [ 247.092346] ? enqueue_hrtimer+0x1a5/0x560 [ 247.096594] ? lock_release+0x970/0x970 [ 247.100575] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.105780] ? find_held_lock+0x36/0x1c0 [ 247.109846] ? graph_lock+0x170/0x170 [ 247.113649] ? pvclock_read_flags+0x160/0x160 [ 247.118150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.123691] ? check_preemption_disabled+0x48/0x200 [ 247.128725] ? __lock_is_held+0xb5/0x140 [ 247.132795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.138340] ? check_preemption_disabled+0x48/0x200 [ 247.143400] run_timer_softirq+0x52/0xb0 [ 247.147469] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.152489] __do_softirq+0x30b/0xad8 [ 247.156304] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.161420] ? pvclock_read_flags+0x160/0x160 [ 247.165920] ? lapic_next_event+0x5a/0x90 [ 247.170070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.175615] ? check_preemption_disabled+0x48/0x200 [ 247.180633] ? check_preemption_disabled+0x48/0x200 [ 247.185665] ? kvm_clock_read+0x18/0x30 [ 247.189650] ? kvm_sched_clock_read+0x9/0x20 [ 247.194064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.199609] ? check_preemption_disabled+0x48/0x200 [ 247.204639] irq_exit+0x17f/0x1c0 [ 247.208100] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.212942] ? smp_reschedule_interrupt+0x109/0x650 [ 247.217968] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.223854] ? interrupt_entry+0xb5/0xf0 [ 247.227923] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.232941] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.237959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.242804] ? trace_hardirqs_off+0x300/0x300 [ 247.247298] ? trace_hardirqs_off+0x300/0x300 [ 247.251796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.257341] ? check_preemption_disabled+0x48/0x200 [ 247.262409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.267968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.272829] apic_timer_interrupt+0xf/0x20 [ 247.277060] [ 247.279304] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.284239] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 247.303151] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.310878] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.318161] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 247.325432] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 247.332701] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.339968] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.347285] skb_clone+0x1bb/0x500 [ 247.350835] ? finish_task_switch+0x1b5/0x900 [ 247.355381] ? skb_split+0x11e0/0x11e0 [ 247.359301] ? preempt_notifier_register+0x200/0x200 [ 247.364412] ? __switch_to_asm+0x34/0x70 [ 247.368472] ? __switch_to_asm+0x34/0x70 [ 247.372533] ? __switch_to_asm+0x40/0x70 [ 247.376605] ? __switch_to_asm+0x34/0x70 [ 247.380665] ? __switch_to_asm+0x40/0x70 [ 247.384730] ? __switch_to_asm+0x34/0x70 [ 247.388792] ? __switch_to_asm+0x40/0x70 [ 247.392853] ? __switch_to_asm+0x34/0x70 [ 247.396921] ? __switch_to_asm+0x34/0x70 [ 247.401326] ? __switch_to_asm+0x40/0x70 [ 247.405407] ? __switch_to_asm+0x34/0x70 [ 247.409480] bpf_clone_redirect+0xb9/0x490 [ 247.413723] ? __schedule+0x874/0x1ed0 [ 247.417617] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 247.422636] ? __sched_text_start+0x8/0x8 [ 247.426797] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.431569] ? find_held_lock+0x36/0x1c0 [ 247.435637] ? lock_acquire+0x1ed/0x520 [ 247.439608] ? bpf_test_run+0x32e/0x5a0 [ 247.443583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.449127] ? check_preemption_disabled+0x48/0x200 [ 247.454156] ? kasan_check_read+0x11/0x20 [ 247.458312] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.463592] ? rcu_bh_qs+0xc0/0xc0 [ 247.467137] ? preempt_schedule+0x4d/0x60 [ 247.471304] ? ___preempt_schedule+0x16/0x18 [ 247.475722] ? bpf_test_run+0x1c0/0x5a0 [ 247.479712] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.484129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.489669] ? bpf_test_init.isra.9+0x70/0x100 [ 247.494255] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.499022] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.503864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.509407] ? fput+0x130/0x1a0 [ 247.512693] ? __bpf_prog_get+0x9b/0x290 [ 247.516761] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.521602] ? bpf_prog_test_run+0x130/0x1a0 [ 247.526711] ? __x64_sys_bpf+0x3d8/0x510 [ 247.530772] ? bpf_prog_get+0x20/0x20 [ 247.534584] ? ksys_ioctl+0x81/0xd0 [ 247.538224] ? do_syscall_64+0x1b9/0x820 [ 247.542288] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.547659] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.552597] ? trace_hardirqs_off+0x300/0x300 [ 247.557097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.562125] ? recalc_sigpending_tsk+0x180/0x180 [ 247.566896] ? kasan_check_write+0x14/0x20 [ 247.571142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.575993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.581394] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 247.581485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.588323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.588329] Call Trace: [ 247.588335] [ 247.588352] dump_stack+0x1c4/0x2b4 [ 247.588379] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.588406] warn_alloc.cold.118+0xb7/0x1bd [ 247.594962] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.604240] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.606799] syz-executor0 cpuset= [ 247.608949] ? lock_downgrade+0x900/0x900 [ 247.612548] syz0 [ 247.617749] ? trace_hardirqs_off+0xb8/0x300 [ 247.622057] mems_allowed=0 [ 247.632545] ? trace_hardirqs_off+0xb8/0x300 [ 247.658653] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.663535] ? warn_alloc+0x120/0x120 [ 247.667341] ? warn_alloc+0x120/0x120 [ 247.671161] ? print_usage_bug+0xc0/0xc0 [ 247.675226] ? warn_alloc+0x120/0x120 [ 247.679053] ? print_usage_bug+0xc0/0xc0 [ 247.683122] ? __lock_acquire+0x7ec/0x4ec0 [ 247.687378] ? __lock_acquire+0x7ec/0x4ec0 [ 247.691663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.697209] ? should_fail+0x22d/0xd01 [ 247.701104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.706210] ? __lock_acquire+0x7ec/0x4ec0 [ 247.710456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.715565] ? __lock_acquire+0x7ec/0x4ec0 [ 247.719799] ? should_fail+0x22d/0xd01 [ 247.723697] ? mark_held_locks+0x130/0x130 [ 247.727942] ? mark_held_locks+0x130/0x130 [ 247.732176] ? graph_lock+0x170/0x170 [ 247.735977] ? graph_lock+0x170/0x170 [ 247.739778] ? graph_lock+0x170/0x170 [ 247.743582] ? print_usage_bug+0xc0/0xc0 [ 247.747643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.753184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.758727] ? check_preemption_disabled+0x48/0x200 [ 247.763747] ? check_preemption_disabled+0x48/0x200 [ 247.768777] ? __lock_is_held+0xb5/0x140 [ 247.772851] __alloc_pages_nodemask+0xa80/0xde0 [ 247.777527] ? graph_lock+0x170/0x170 [ 247.781336] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.786360] ? graph_lock+0x170/0x170 [ 247.790205] ? find_held_lock+0x36/0x1c0 [ 247.794283] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.798954] ? lock_downgrade+0x900/0x900 [ 247.803113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.808658] cache_grow_begin+0x91/0x8c0 [ 247.812810] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.817231] fallback_alloc+0x203/0x2e0 [ 247.821230] ____cache_alloc_node+0x1c7/0x1e0 [ 247.825739] kmem_cache_alloc_node+0xe3/0x730 [ 247.830239] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.834487] __alloc_skb+0x119/0x770 [ 247.838202] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.843486] ? skb_scrub_packet+0x490/0x490 [ 247.847805] ? lock_downgrade+0x900/0x900 [ 247.851966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.857507] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.862966] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.868423] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.872845] ndisc_alloc_skb+0x144/0x340 [ 247.876917] ndisc_send_rs+0x331/0x6e0 [ 247.880813] addrconf_rs_timer+0x3c0/0x6f0 [ 247.885055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.889309] call_timer_fn+0x272/0x920 [ 247.893197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.897436] ? process_timeout+0x40/0x40 [ 247.901493] ? find_held_lock+0x36/0x1c0 [ 247.905562] ? mark_held_locks+0xc7/0x130 [ 247.909718] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.914212] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.918708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.922942] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.927530] ? trace_hardirqs_on+0xbd/0x310 [ 247.931851] ? kasan_check_read+0x11/0x20 [ 247.936007] ? __run_timers+0x7da/0xc70 [ 247.939982] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.945440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.949680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.953920] __run_timers+0x7e5/0xc70 [ 247.957739] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.963124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.968148] ? graph_lock+0x170/0x170 [ 247.971955] ? print_usage_bug+0xc0/0xc0 [ 247.976018] ? lock_release+0x970/0x970 [ 247.979997] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.985197] ? find_held_lock+0x36/0x1c0 [ 247.989267] ? graph_lock+0x170/0x170 [ 247.993074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.998614] ? check_preemption_disabled+0x48/0x200 [ 248.003642] ? __lock_is_held+0xb5/0x140 [ 248.007707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.013246] ? check_preemption_disabled+0x48/0x200 [ 248.018272] run_timer_softirq+0x52/0xb0 [ 248.022339] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.027379] __do_softirq+0x30b/0xad8 [ 248.031198] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.036309] ? pvclock_read_flags+0x160/0x160 [ 248.040805] ? lapic_next_event+0x5a/0x90 [ 248.044956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.050496] ? check_preemption_disabled+0x48/0x200 [ 248.055515] ? check_preemption_disabled+0x48/0x200 [ 248.060537] ? kvm_clock_read+0x18/0x30 [ 248.064514] ? kvm_sched_clock_read+0x9/0x20 [ 248.068930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.074473] ? check_preemption_disabled+0x48/0x200 [ 248.079507] irq_exit+0x17f/0x1c0 [ 248.082966] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.087810] ? smp_reschedule_interrupt+0x109/0x650 [ 248.092828] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.098712] ? interrupt_entry+0xb5/0xf0 [ 248.102779] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.107796] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.112816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.117663] ? trace_hardirqs_off+0x300/0x300 [ 248.122159] ? trace_hardirqs_off+0x300/0x300 [ 248.126657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.132199] ? check_preemption_disabled+0x48/0x200 [ 248.137213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.142758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.147612] apic_timer_interrupt+0xf/0x20 [ 248.151843] [ 248.154086] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 248.159375] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 248.178288] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 248.186016] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 248.193297] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 248.200579] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 248.207847] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 248.215121] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 248.222419] ? arch_local_irq_restore+0x45/0x52 [ 248.227102] dump_stack+0x26a/0x2b4 [ 248.230733] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.235931] ? mark_held_locks+0x130/0x130 [ 248.240165] ? mark_held_locks+0x130/0x130 [ 248.244410] dump_header+0x27b/0xf72 [ 248.248142] ? pagefault_out_of_memory+0x197/0x197 [ 248.253076] ? mark_held_locks+0x130/0x130 [ 248.257310] ? __lock_acquire+0x7ec/0x4ec0 [ 248.261550] ? mem_cgroup_charge_statistics+0x780/0x780 [ 248.266913] ? print_usage_bug+0xc0/0xc0 [ 248.270995] ? print_usage_bug+0xc0/0xc0 [ 248.275067] ? graph_lock+0x170/0x170 [ 248.278868] ? graph_lock+0x170/0x170 [ 248.282681] ? print_usage_bug+0xc0/0xc0 [ 248.286739] ? print_usage_bug+0xc0/0xc0 [ 248.290814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.296371] ? find_held_lock+0x36/0x1c0 [ 248.300443] ? mark_held_locks+0xc7/0x130 [ 248.304599] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.309708] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.315125] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.319714] ? trace_hardirqs_on+0xbd/0x310 [ 248.324042] ? kasan_check_read+0x11/0x20 [ 248.328199] ? ___ratelimit+0x36f/0x655 [ 248.332177] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.337628] ? trace_hardirqs_on+0x310/0x310 [ 248.342042] ? lock_downgrade+0x900/0x900 [ 248.346203] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.351309] ? ___ratelimit+0xaa/0x655 [ 248.355203] ? idr_get_free+0xec0/0xec0 [ 248.359182] ? kasan_check_write+0x14/0x20 [ 248.363421] ? do_raw_spin_lock+0xc1/0x200 [ 248.367665] oom_kill_process.cold.27+0x10/0x903 [ 248.372422] ? graph_lock+0x170/0x170 [ 248.376224] ? _raw_spin_unlock+0x2c/0x50 [ 248.380379] ? oom_badness+0xe6/0xaa0 [ 248.384190] ? oom_evaluate_task+0x540/0x540 [ 248.388693] ? find_held_lock+0x36/0x1c0 [ 248.392781] ? out_of_memory+0x974/0x14c0 [ 248.396952] ? lock_downgrade+0x900/0x900 [ 248.401102] ? check_preemption_disabled+0x48/0x200 [ 248.406128] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.411927] ? kasan_check_read+0x11/0x20 [ 248.416116] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.421406] ? rcu_bh_qs+0xc0/0xc0 [ 248.424954] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.429973] ? oom_evaluate_task+0x302/0x540 [ 248.434392] out_of_memory+0xa86/0x14c0 [ 248.438384] ? oom_killer_disable+0x3a0/0x3a0 [ 248.442898] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 248.448333] ? __mutex_add_waiter+0x2a0/0x2a0 [ 248.452849] __alloc_pages_slowpath+0x2318/0x2d80 [ 248.457728] ? warn_alloc+0x120/0x120 [ 248.461549] ? find_get_entry+0x2f2/0xc40 [ 248.465711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.471250] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 248.476184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.481722] ? should_fail+0x22d/0xd01 [ 248.485617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.490719] ? __lock_is_held+0xb5/0x140 [ 248.494811] ? __lock_is_held+0xb5/0x140 [ 248.498886] ? find_held_lock+0x36/0x1c0 [ 248.502954] ? ___might_sleep+0x1ed/0x300 [ 248.507100] ? lock_release+0x970/0x970 [ 248.511077] ? arch_local_save_flags+0x40/0x40 [ 248.515913] ? __might_sleep+0x95/0x190 [ 248.519898] __alloc_pages_nodemask+0xa80/0xde0 [ 248.524578] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.529604] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.535406] ? kasan_check_read+0x11/0x20 [ 248.539566] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.544847] ? graph_lock+0x170/0x170 [ 248.548654] ? print_usage_bug+0xc0/0xc0 [ 248.552725] ? graph_lock+0x170/0x170 [ 248.556525] ? graph_lock+0x170/0x170 [ 248.560327] ? __do_page_cache_readahead+0x7ce/0x980 [ 248.565439] ? find_held_lock+0x36/0x1c0 [ 248.569504] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 248.575049] alloc_pages_current+0x10c/0x210 [ 248.579459] ? lock_downgrade+0x900/0x900 [ 248.583613] __page_cache_alloc+0x38f/0x5b0 [ 248.587944] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.593741] ? kasan_check_read+0x11/0x20 [ 248.597899] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.603179] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 248.607849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.613407] ? check_preemption_disabled+0x48/0x200 [ 248.618433] filemap_fault+0x1594/0x25f0 [ 248.622528] ? __lock_page_or_retry+0xa00/0xa00 [ 248.627201] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.633008] ? kasan_check_read+0x11/0x20 [ 248.637158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.642435] ? rcu_bh_qs+0xc0/0xc0 [ 248.645998] ? filemap_map_pages+0xdea/0x1980 [ 248.650516] ? find_get_pages_range_tag+0x1320/0x1320 [ 248.655709] ? do_raw_spin_lock+0xc1/0x200 [ 248.659945] ? graph_lock+0x170/0x170 [ 248.663757] ? futex_wait_setup+0x266/0x3e0 [ 248.668098] ? lock_acquire+0x1ed/0x520 [ 248.672072] ? ext4_filemap_fault+0x7a/0xad [ 248.676405] ? lock_release+0x970/0x970 [ 248.680391] ? arch_local_save_flags+0x40/0x40 [ 248.684981] ? futex_wait_setup+0x3e0/0x3e0 [ 248.689303] ? print_usage_bug+0xc0/0xc0 [ 248.693388] ? down_read+0xb0/0x1d0 [ 248.697018] ? ext4_filemap_fault+0x7a/0xad [ 248.701344] ? __down_interruptible+0x700/0x700 [ 248.706031] ? find_held_lock+0x36/0x1c0 [ 248.710098] ext4_filemap_fault+0x82/0xad [ 248.714252] __do_fault+0x100/0x6b0 [ 248.717891] ? lock_downgrade+0x900/0x900 [ 248.722042] ? print_bad_pte+0x6c0/0x6c0 [ 248.726108] ? do_futex+0x249/0x26d0 [ 248.729834] ? kasan_check_read+0x11/0x20 [ 248.734383] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.738798] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 248.743399] ? add_mm_counter_fast+0xd0/0xd0 [ 248.747826] __handle_mm_fault+0x3709/0x53e0 [ 248.752258] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 248.757114] ? __fpu__restore_sig+0x62f/0x1680 [ 248.761711] ? graph_lock+0x170/0x170 [ 248.765521] ? print_usage_bug+0xc0/0xc0 [ 248.769588] ? graph_lock+0x170/0x170 [ 248.773400] ? graph_lock+0x170/0x170 [ 248.777202] ? graph_lock+0x170/0x170 [ 248.781030] ? handle_mm_fault+0x42a/0xc70 [ 248.785278] ? lock_downgrade+0x900/0x900 [ 248.789439] ? check_preemption_disabled+0x48/0x200 [ 248.794479] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.800296] ? kasan_check_read+0x11/0x20 [ 248.804458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.809744] ? rcu_bh_qs+0xc0/0xc0 [ 248.813287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.818751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.824306] ? check_preemption_disabled+0x48/0x200 [ 248.829346] handle_mm_fault+0x54f/0xc70 [ 248.833436] ? __handle_mm_fault+0x53e0/0x53e0 [ 248.838030] ? find_vma+0x34/0x190 [ 248.841585] __do_page_fault+0x67d/0xed0 [ 248.845662] ? mm_fault_error+0x380/0x380 [ 248.849815] ? trace_hardirqs_off+0xb8/0x300 [ 248.854231] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.859597] ? trace_hardirqs_on+0x310/0x310 [ 248.864013] do_page_fault+0xf2/0x7e0 [ 248.867817] ? vmalloc_sync_all+0x30/0x30 [ 248.871972] ? error_entry+0x70/0xd0 [ 248.875687] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.880704] ? trace_hardirqs_on_caller+0xc0/0x300 [ 248.885638] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.890568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.895414] ? trace_hardirqs_off+0x300/0x300 [ 248.899911] ? trace_hardirqs_off_caller+0x300/0x300 [ 248.905022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.910564] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.915586] ? page_fault+0x8/0x30 [ 248.919131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.923979] ? page_fault+0x8/0x30 [ 248.927544] page_fault+0x1e/0x30 [ 248.930997] RIP: 0033:0x407e06 [ 248.934192] Code: Bad RIP value. [ 248.937550] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 248.942944] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 248.950211] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 248.957481] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 248.964750] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 248.972018] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 248.979313] warn_alloc_show_mem: 1 callbacks suppressed [ 248.979326] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 248.979328] Mem-Info: [ 248.979358] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 248.979358] active_file:16 inactive_file:17 isolated_file:1 [ 248.979358] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.979358] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 248.979358] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 248.979358] free:13718 free_pcp:223 free_cma:0 [ 248.984706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.984715] Call Trace: [ 248.991914] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.994310] [ 249.027172] Node 0 [ 249.036529] dump_stack+0x1c4/0x2b4 [ 249.039109] 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 [ 249.066751] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.068868] lowmem_reserve[]: 0 [ 249.071155] warn_alloc.cold.118+0xb7/0x1bd [ 249.074718] 2817 [ 249.100227] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.105396] 6321 [ 249.108675] ? lock_downgrade+0x900/0x900 [ 249.112971] 6321 [ 249.115035] ? trace_hardirqs_off+0xb8/0x300 [ 249.119845] Node 0 [ 249.121905] ? trace_hardirqs_off+0xb8/0x300 [ 249.126050] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.128089] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.132457] lowmem_reserve[]: 0 [ 249.134721] ? warn_alloc+0x120/0x120 [ 249.139074] 0 3503 [ 249.165799] ? trace_hardirqs_on+0x310/0x310 [ 249.170614] 3503 [ 249.173886] ? warn_alloc+0x120/0x120 [ 249.179893] ? print_usage_bug+0xc0/0xc0 [ 249.179909] ? warn_alloc+0x120/0x120 [ 249.184297] Node 0 [ 249.186355] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 249.190161] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 249.194371] ? print_usage_bug+0xc0/0xc0 [ 249.198139] lowmem_reserve[]: 0 [ 249.200395] ? __lock_acquire+0x7ec/0x4ec0 [ 249.205393] 0 [ 249.233767] ? __lock_acquire+0x7ec/0x4ec0 [ 249.237796] 0 [ 249.241070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.245268] 0 [ 249.247077] ? should_fail+0x22d/0xd01 [ 249.251284] Node 0 [ 249.253083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.258590] DMA: [ 249.260399] ? __lock_acquire+0x7ec/0x4ec0 [ 249.264262] 1*4kB [ 249.266496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.271564] (U) 0*8kB [ 249.273632] ? __lock_acquire+0x7ec/0x4ec0 [ 249.277841] 0*16kB [ 249.279984] ? should_fail+0x22d/0xd01 [ 249.285053] 1*32kB (U) [ 249.287552] ? print_usage_bug+0xc0/0xc0 [ 249.291753] 2*64kB (U) [ 249.293996] ? mark_held_locks+0x130/0x130 [ 249.297846] 1*128kB (U) [ 249.300432] ? mark_held_locks+0x130/0x130 [ 249.304464] 1*256kB (U) [ 249.307054] ? graph_lock+0x170/0x170 [ 249.311252] 0*512kB 1*1024kB [ 249.313927] ? print_usage_bug+0xc0/0xc0 [ 249.318131] (U) 1*2048kB [ 249.320810] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.324581] (M) [ 249.327685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.331709] 3*4096kB (M) [ 249.334476] ? check_preemption_disabled+0x48/0x200 [ 249.339194] = 15908kB [ 249.339202] Node 0 [ 249.341172] ? check_preemption_disabled+0x48/0x200 [ 249.346674] DMA32: 2*4kB [ 249.349441] ? __lock_is_held+0xb5/0x140 [ 249.354428] (M) [ 249.356829] __alloc_pages_nodemask+0xa80/0xde0 [ 249.359033] 0*8kB 3*16kB [ 249.364046] ? graph_lock+0x170/0x170 [ 249.366780] (M) [ 249.370835] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.372784] 1*32kB (M) [ 249.377456] ? graph_lock+0x170/0x170 [ 249.380187] 2*64kB (M) [ 249.383996] ? find_held_lock+0x36/0x1c0 [ 249.385943] 4*128kB [ 249.390955] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.393512] (UM) [ 249.397305] ? lock_downgrade+0x900/0x900 [ 249.399858] 3*256kB (UM) [ 249.403922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.406217] 4*512kB [ 249.410881] cache_grow_begin+0x91/0x8c0 [ 249.412918] (UM) [ 249.417087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.419817] 3*1024kB [ 249.425349] fallback_alloc+0x203/0x2e0 [ 249.427637] (M) 3*2048kB [ 249.431705] ____cache_alloc_node+0x1c7/0x1e0 [ 249.433730] (UM) 3*4096kB [ 249.438144] kmem_cache_alloc_node+0xe3/0x730 [ 249.440519] (M) = 25048kB [ 249.444500] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.447230] Node 0 [ 249.451722] __alloc_skb+0x119/0x770 [ 249.454538] Normal: [ 249.459037] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.461764] 865*4kB [ 249.465993] ? skb_scrub_packet+0x490/0x490 [ 249.468201] (UMEH) [ 249.471909] ? lock_downgrade+0x900/0x900 [ 249.474207] 401*8kB [ 249.479480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.481776] (UMEH) [ 249.486090] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.488295] 165*16kB (UMEH) [ 249.492473] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.494769] 83*32kB (UMEH) [ 249.500310] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.502513] 31*64kB (UMH) [ 249.507971] ndisc_alloc_skb+0x144/0x340 [ 249.510958] 0*128kB [ 249.516405] ndisc_send_rs+0x331/0x6e0 [ 249.519307] 0*256kB [ 249.523710] addrconf_rs_timer+0x3c0/0x6f0 [ 249.526530] 0*512kB [ 249.530586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.532881] 0*1024kB 0*2048kB [ 249.536779] call_timer_fn+0x272/0x920 [ 249.539064] 0*4096kB = 13948kB [ 249.543299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.545602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.549823] ? process_timeout+0x40/0x40 [ 249.552995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.556867] ? find_held_lock+0x36/0x1c0 [ 249.560039] 413 total pagecache pages [ 249.564268] ? __run_timers+0x7da/0xc70 [ 249.573078] 0 pages in swap cache [ 249.577124] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.585670] Swap cache stats: add 0, delete 0, find 0/0 [ 249.585679] Free swap = 0kB [ 249.589731] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.593503] Total swap = 0kB [ 249.593511] 1965979 pages RAM [ 249.597480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.600904] 0 pages HighMem/MovableOnly [ 249.605405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.610741] 342744 pages reserved [ 249.613754] ? trace_hardirqs_on+0xbd/0x310 [ 249.618223] 0 pages cma reserved [ 249.621240] ? kasan_check_read+0x11/0x20 [ 249.624386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.628543] ? __run_timers+0x7da/0xc70 [ 249.632547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.637064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.640496] syz-fuzzer cpuset= [ 249.644813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.648155] / [ 249.652302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.658776] mems_allowed=0 [ 249.694649] __run_timers+0x7e5/0xc70 [ 249.698470] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.703840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.708858] ? graph_lock+0x170/0x170 [ 249.712664] ? enqueue_hrtimer+0x1a5/0x560 [ 249.716904] ? lock_release+0x970/0x970 [ 249.720883] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.726090] ? find_held_lock+0x36/0x1c0 [ 249.730161] ? graph_lock+0x170/0x170 [ 249.733968] ? pvclock_read_flags+0x160/0x160 [ 249.738483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.744026] ? check_preemption_disabled+0x48/0x200 [ 249.749054] ? __lock_is_held+0xb5/0x140 [ 249.753115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.758657] ? check_preemption_disabled+0x48/0x200 [ 249.763682] run_timer_softirq+0x52/0xb0 [ 249.767748] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.772770] __do_softirq+0x30b/0xad8 [ 249.776588] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.781702] ? pvclock_read_flags+0x160/0x160 [ 249.786200] ? lapic_next_event+0x5a/0x90 [ 249.790350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.795906] ? check_preemption_disabled+0x48/0x200 [ 249.800925] ? check_preemption_disabled+0x48/0x200 [ 249.805951] ? kvm_clock_read+0x18/0x30 [ 249.809929] ? kvm_sched_clock_read+0x9/0x20 [ 249.814343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.819897] ? check_preemption_disabled+0x48/0x200 [ 249.824928] irq_exit+0x17f/0x1c0 [ 249.828400] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.833250] ? smp_reschedule_interrupt+0x109/0x650 [ 249.838269] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.844156] ? interrupt_entry+0xb5/0xf0 [ 249.848221] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.853235] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.858258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.863100] ? trace_hardirqs_off+0x300/0x300 [ 249.867593] ? trace_hardirqs_off+0x300/0x300 [ 249.872117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.877656] ? check_preemption_disabled+0x48/0x200 [ 249.882674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.888217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.893074] apic_timer_interrupt+0xf/0x20 [ 249.897324] [ 249.899563] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.904497] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 249.923401] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 249.931113] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.938387] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 249.945656] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 249.952941] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.960209] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.967524] skb_clone+0x1bb/0x500 [ 249.971071] ? finish_task_switch+0x1b5/0x900 [ 249.975566] ? skb_split+0x11e0/0x11e0 [ 249.979455] ? preempt_notifier_register+0x200/0x200 [ 249.984557] ? __switch_to_asm+0x34/0x70 [ 249.988622] ? __switch_to_asm+0x34/0x70 [ 249.992679] ? __switch_to_asm+0x40/0x70 [ 249.996740] ? __switch_to_asm+0x34/0x70 [ 250.000803] ? __switch_to_asm+0x40/0x70 [ 250.004862] ? __switch_to_asm+0x34/0x70 [ 250.008926] ? __switch_to_asm+0x40/0x70 [ 250.012984] ? __switch_to_asm+0x34/0x70 [ 250.017047] ? __switch_to_asm+0x34/0x70 [ 250.021106] ? __switch_to_asm+0x40/0x70 [ 250.025167] ? __switch_to_asm+0x34/0x70 [ 250.029239] bpf_clone_redirect+0xb9/0x490 [ 250.033479] ? __schedule+0x874/0x1ed0 [ 250.037385] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 250.042411] ? __sched_text_start+0x8/0x8 [ 250.046564] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.051337] ? find_held_lock+0x36/0x1c0 [ 250.055422] ? lock_acquire+0x1ed/0x520 [ 250.059401] ? bpf_test_run+0x32e/0x5a0 [ 250.063392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.068936] ? check_preemption_disabled+0x48/0x200 [ 250.073961] ? kasan_check_read+0x11/0x20 [ 250.078113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.083400] ? rcu_bh_qs+0xc0/0xc0 [ 250.086953] ? preempt_schedule+0x4d/0x60 [ 250.091107] ? ___preempt_schedule+0x16/0x18 [ 250.095525] ? bpf_test_run+0x1c0/0x5a0 [ 250.099515] ? netlink_diag_dump+0x2a0/0x2a0 [ 250.103929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.109493] ? bpf_test_init.isra.9+0x70/0x100 [ 250.114085] ? bpf_prog_test_run_skb+0x634/0xb40 [ 250.118851] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.123694] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.129233] ? fput+0x130/0x1a0 [ 250.132519] ? __bpf_prog_get+0x9b/0x290 [ 250.136583] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.141422] ? bpf_prog_test_run+0x130/0x1a0 [ 250.145838] ? __x64_sys_bpf+0x3d8/0x510 [ 250.149899] ? bpf_prog_get+0x20/0x20 [ 250.153710] ? ksys_ioctl+0x81/0xd0 [ 250.157350] ? do_syscall_64+0x1b9/0x820 [ 250.161424] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.166790] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.171722] ? trace_hardirqs_off+0x300/0x300 [ 250.176222] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.181264] ? recalc_sigpending_tsk+0x180/0x180 [ 250.186023] ? kasan_check_write+0x14/0x20 [ 250.190267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.195119] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.200510] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 250.200599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.207435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.207440] Call Trace: [ 250.207447] [ 250.207462] dump_stack+0x1c4/0x2b4 [ 250.207483] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.214030] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.223315] warn_alloc.cold.118+0xb7/0x1bd [ 250.225864] syz-executor0 cpuset= [ 250.228012] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.231613] syz0 [ 250.236800] ? lock_downgrade+0x900/0x900 [ 250.247261] mems_allowed=0 [ 250.251576] ? trace_hardirqs_off+0xb8/0x300 [ 250.273224] ? trace_hardirqs_off+0xb8/0x300 [ 250.277645] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.282523] ? warn_alloc+0x120/0x120 [ 250.286333] ? warn_alloc+0x120/0x120 [ 250.290145] ? print_usage_bug+0xc0/0xc0 [ 250.294209] ? warn_alloc+0x120/0x120 [ 250.298035] ? print_usage_bug+0xc0/0xc0 [ 250.302098] ? __lock_acquire+0x7ec/0x4ec0 [ 250.306333] ? __lock_acquire+0x7ec/0x4ec0 [ 250.310580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.316402] ? should_fail+0x22d/0xd01 [ 250.320302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.325405] ? __lock_acquire+0x7ec/0x4ec0 [ 250.329649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.334753] ? __lock_acquire+0x7ec/0x4ec0 [ 250.338987] ? should_fail+0x22d/0xd01 [ 250.342890] ? mark_held_locks+0x130/0x130 [ 250.347131] ? mark_held_locks+0x130/0x130 [ 250.351377] ? graph_lock+0x170/0x170 [ 250.355179] ? graph_lock+0x170/0x170 [ 250.358982] ? graph_lock+0x170/0x170 [ 250.362781] ? print_usage_bug+0xc0/0xc0 [ 250.366841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.372390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.377930] ? check_preemption_disabled+0x48/0x200 [ 250.382945] ? check_preemption_disabled+0x48/0x200 [ 250.387981] ? __lock_is_held+0xb5/0x140 [ 250.392049] __alloc_pages_nodemask+0xa80/0xde0 [ 250.396722] ? graph_lock+0x170/0x170 [ 250.400530] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.405545] ? graph_lock+0x170/0x170 [ 250.409361] ? find_held_lock+0x36/0x1c0 [ 250.413447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.418118] ? lock_downgrade+0x900/0x900 [ 250.422451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.427995] cache_grow_begin+0x91/0x8c0 [ 250.432061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.436483] fallback_alloc+0x203/0x2e0 [ 250.440465] ____cache_alloc_node+0x1c7/0x1e0 [ 250.444965] kmem_cache_alloc_node+0xe3/0x730 [ 250.449934] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.454185] __alloc_skb+0x119/0x770 [ 250.457908] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.463196] ? skb_scrub_packet+0x490/0x490 [ 250.467518] ? lock_downgrade+0x900/0x900 [ 250.471678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.477220] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.482678] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.488133] ? addrconf_rs_timer+0x6f0/0x6f0 [ 250.492555] ndisc_alloc_skb+0x144/0x340 [ 250.496626] ndisc_send_rs+0x331/0x6e0 [ 250.500524] addrconf_rs_timer+0x3c0/0x6f0 [ 250.504765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.509018] call_timer_fn+0x272/0x920 [ 250.512914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.517154] ? process_timeout+0x40/0x40 [ 250.521213] ? find_held_lock+0x36/0x1c0 [ 250.525284] ? mark_held_locks+0xc7/0x130 [ 250.529435] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.533927] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.538426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.542659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.547245] ? trace_hardirqs_on+0xbd/0x310 [ 250.551577] ? kasan_check_read+0x11/0x20 [ 250.555730] ? __run_timers+0x7da/0xc70 [ 250.559708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.565166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.569408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.573650] __run_timers+0x7e5/0xc70 [ 250.577469] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.582835] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.587851] ? graph_lock+0x170/0x170 [ 250.591664] ? print_usage_bug+0xc0/0xc0 [ 250.595722] ? lock_release+0x970/0x970 [ 250.599698] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.604902] ? find_held_lock+0x36/0x1c0 [ 250.608973] ? graph_lock+0x170/0x170 [ 250.612781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.618353] ? check_preemption_disabled+0x48/0x200 [ 250.623402] ? __lock_is_held+0xb5/0x140 [ 250.627468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.633006] ? check_preemption_disabled+0x48/0x200 [ 250.638031] run_timer_softirq+0x52/0xb0 [ 250.642095] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.647117] __do_softirq+0x30b/0xad8 [ 250.650931] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.656041] ? pvclock_read_flags+0x160/0x160 [ 250.660535] ? lapic_next_event+0x5a/0x90 [ 250.664682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.670224] ? check_preemption_disabled+0x48/0x200 [ 250.675239] ? check_preemption_disabled+0x48/0x200 [ 250.680264] ? kvm_clock_read+0x18/0x30 [ 250.684238] ? kvm_sched_clock_read+0x9/0x20 [ 250.688651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.694187] ? check_preemption_disabled+0x48/0x200 [ 250.699216] irq_exit+0x17f/0x1c0 [ 250.702673] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.707517] ? smp_reschedule_interrupt+0x109/0x650 [ 250.712538] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.718424] ? interrupt_entry+0xb5/0xf0 [ 250.722488] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.727502] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.732524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.737375] ? trace_hardirqs_off+0x300/0x300 [ 250.741956] ? trace_hardirqs_off+0x300/0x300 [ 250.746544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.752083] ? check_preemption_disabled+0x48/0x200 [ 250.757095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.762647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.767509] apic_timer_interrupt+0xf/0x20 [ 250.771739] [ 250.773982] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 250.779259] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 250.798155] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 250.805865] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 250.813137] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 250.820402] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 250.827666] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 250.834948] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 250.842238] ? arch_local_irq_restore+0x45/0x52 [ 250.846923] dump_stack+0x26a/0x2b4 [ 250.850554] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.855748] ? mark_held_locks+0x130/0x130 [ 250.859983] ? mark_held_locks+0x130/0x130 [ 250.864223] dump_header+0x27b/0xf72 [ 250.867955] ? pagefault_out_of_memory+0x197/0x197 [ 250.872892] ? mark_held_locks+0x130/0x130 [ 250.877129] ? __lock_acquire+0x7ec/0x4ec0 [ 250.881374] ? mem_cgroup_charge_statistics+0x780/0x780 [ 250.886738] ? print_usage_bug+0xc0/0xc0 [ 250.890801] ? print_usage_bug+0xc0/0xc0 [ 250.894874] ? graph_lock+0x170/0x170 [ 250.898685] ? graph_lock+0x170/0x170 [ 250.902487] ? print_usage_bug+0xc0/0xc0 [ 250.906547] ? print_usage_bug+0xc0/0xc0 [ 250.910617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.916158] ? find_held_lock+0x36/0x1c0 [ 250.920228] ? mark_held_locks+0xc7/0x130 [ 250.924387] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 250.929495] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 250.934598] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.939182] ? trace_hardirqs_on+0xbd/0x310 [ 250.943552] ? kasan_check_read+0x11/0x20 [ 250.947703] ? ___ratelimit+0x36f/0x655 [ 250.951681] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.957131] ? trace_hardirqs_on+0x310/0x310 [ 250.961542] ? lock_downgrade+0x900/0x900 [ 250.965698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.970807] ? ___ratelimit+0xaa/0x655 [ 250.974700] ? idr_get_free+0xec0/0xec0 [ 250.978678] ? kasan_check_write+0x14/0x20 [ 250.982915] ? do_raw_spin_lock+0xc1/0x200 [ 250.987161] oom_kill_process.cold.27+0x10/0x903 [ 250.991921] ? graph_lock+0x170/0x170 [ 250.995722] ? _raw_spin_unlock+0x2c/0x50 [ 250.999872] ? oom_badness+0xe6/0xaa0 [ 251.003688] ? oom_evaluate_task+0x540/0x540 [ 251.008103] ? find_held_lock+0x36/0x1c0 [ 251.012174] ? out_of_memory+0x974/0x14c0 [ 251.016330] ? lock_downgrade+0x900/0x900 [ 251.020485] ? check_preemption_disabled+0x48/0x200 [ 251.025610] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.031413] ? kasan_check_read+0x11/0x20 [ 251.035561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.040839] ? rcu_bh_qs+0xc0/0xc0 [ 251.044395] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.049417] ? oom_evaluate_task+0x302/0x540 [ 251.053833] out_of_memory+0xa86/0x14c0 [ 251.057821] ? oom_killer_disable+0x3a0/0x3a0 [ 251.062321] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 251.067257] ? __mutex_add_waiter+0x2a0/0x2a0 [ 251.071770] __alloc_pages_slowpath+0x2318/0x2d80 [ 251.076643] ? warn_alloc+0x120/0x120 [ 251.080461] ? find_get_entry+0x2f2/0xc40 [ 251.084627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.090165] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 251.095093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.100631] ? should_fail+0x22d/0xd01 [ 251.104527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.109628] ? __lock_is_held+0xb5/0x140 [ 251.113717] ? __lock_is_held+0xb5/0x140 [ 251.117788] ? find_held_lock+0x36/0x1c0 [ 251.121855] ? ___might_sleep+0x1ed/0x300 [ 251.126022] ? lock_release+0x970/0x970 [ 251.129997] ? arch_local_save_flags+0x40/0x40 [ 251.134595] ? __might_sleep+0x95/0x190 [ 251.138578] __alloc_pages_nodemask+0xa80/0xde0 [ 251.143255] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.148273] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.154069] ? kasan_check_read+0x11/0x20 [ 251.158227] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.163509] ? graph_lock+0x170/0x170 [ 251.167311] ? print_usage_bug+0xc0/0xc0 [ 251.171393] ? graph_lock+0x170/0x170 [ 251.175194] ? graph_lock+0x170/0x170 [ 251.178996] ? __do_page_cache_readahead+0x7ce/0x980 [ 251.184108] ? find_held_lock+0x36/0x1c0 [ 251.188185] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 251.193732] alloc_pages_current+0x10c/0x210 [ 251.198145] ? lock_downgrade+0x900/0x900 [ 251.202315] __page_cache_alloc+0x38f/0x5b0 [ 251.206639] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.212440] ? kasan_check_read+0x11/0x20 [ 251.216596] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.221886] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 251.226558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.232102] ? check_preemption_disabled+0x48/0x200 [ 251.237130] filemap_fault+0x1594/0x25f0 [ 251.241206] ? __lock_page_or_retry+0xa00/0xa00 [ 251.245887] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.251692] ? kasan_check_read+0x11/0x20 [ 251.255842] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.261120] ? rcu_bh_qs+0xc0/0xc0 [ 251.264676] ? filemap_map_pages+0xdea/0x1980 [ 251.269192] ? find_get_pages_range_tag+0x1320/0x1320 [ 251.274395] ? do_raw_spin_lock+0xc1/0x200 [ 251.278632] ? graph_lock+0x170/0x170 [ 251.282440] ? futex_wait_setup+0x266/0x3e0 [ 251.286782] ? lock_acquire+0x1ed/0x520 [ 251.290761] ? ext4_filemap_fault+0x7a/0xad [ 251.295089] ? lock_release+0x970/0x970 [ 251.299416] ? arch_local_save_flags+0x40/0x40 [ 251.304003] ? futex_wait_setup+0x3e0/0x3e0 [ 251.308324] ? print_usage_bug+0xc0/0xc0 [ 251.312404] ? down_read+0xb0/0x1d0 [ 251.316038] ? ext4_filemap_fault+0x7a/0xad [ 251.320375] ? __down_interruptible+0x700/0x700 [ 251.325068] ? find_held_lock+0x36/0x1c0 [ 251.329136] ext4_filemap_fault+0x82/0xad [ 251.333289] __do_fault+0x100/0x6b0 [ 251.336919] ? lock_downgrade+0x900/0x900 [ 251.341071] ? print_bad_pte+0x6c0/0x6c0 [ 251.345135] ? do_futex+0x249/0x26d0 [ 251.348855] ? kasan_check_read+0x11/0x20 [ 251.353006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.357416] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 251.362005] ? add_mm_counter_fast+0xd0/0xd0 [ 251.366435] __handle_mm_fault+0x3709/0x53e0 [ 251.370854] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 251.375705] ? __fpu__restore_sig+0x62f/0x1680 [ 251.380287] ? graph_lock+0x170/0x170 [ 251.384090] ? print_usage_bug+0xc0/0xc0 [ 251.388185] ? graph_lock+0x170/0x170 [ 251.391998] ? graph_lock+0x170/0x170 [ 251.395800] ? graph_lock+0x170/0x170 [ 251.399622] ? handle_mm_fault+0x42a/0xc70 [ 251.403860] ? lock_downgrade+0x900/0x900 [ 251.408014] ? check_preemption_disabled+0x48/0x200 [ 251.413040] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.418858] ? kasan_check_read+0x11/0x20 [ 251.423015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.428309] ? rcu_bh_qs+0xc0/0xc0 [ 251.431854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.437316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.442860] ? check_preemption_disabled+0x48/0x200 [ 251.447897] handle_mm_fault+0x54f/0xc70 [ 251.451965] ? __handle_mm_fault+0x53e0/0x53e0 [ 251.456554] ? find_vma+0x34/0x190 [ 251.460105] __do_page_fault+0x67d/0xed0 [ 251.464188] ? mm_fault_error+0x380/0x380 [ 251.468339] ? trace_hardirqs_off+0xb8/0x300 [ 251.472757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.478120] ? trace_hardirqs_on+0x310/0x310 [ 251.482534] do_page_fault+0xf2/0x7e0 [ 251.486337] ? vmalloc_sync_all+0x30/0x30 [ 251.490498] ? error_entry+0x70/0xd0 [ 251.494214] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.499231] ? trace_hardirqs_on_caller+0xc0/0x300 [ 251.504160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.509089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.513933] ? trace_hardirqs_off+0x300/0x300 [ 251.518431] ? trace_hardirqs_off_caller+0x300/0x300 [ 251.523542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.529080] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.534099] ? page_fault+0x8/0x30 [ 251.537646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.542497] ? page_fault+0x8/0x30 [ 251.546043] page_fault+0x1e/0x30 [ 251.549499] RIP: 0033:0x407e06 [ 251.552695] Code: Bad RIP value. [ 251.556053] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 251.561424] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 251.568697] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 251.575962] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 251.583233] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 251.590506] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 251.597806] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 251.597811] warn_alloc_show_mem: 1 callbacks suppressed [ 251.597819] Mem-Info: [ 251.605010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.610386] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 251.610386] active_file:16 inactive_file:17 isolated_file:1 [ 251.610386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.610386] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 251.610386] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 251.610386] free:13718 free_pcp:223 free_cma:0 [ 251.612764] Call Trace: [ 251.622149] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.655003] [ 251.657582] Node 0 [ 251.685262] dump_stack+0x1c4/0x2b4 [ 251.687432] 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 [ 251.689649] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.693243] lowmem_reserve[]: 0 [ 251.718773] warn_alloc.cold.118+0xb7/0x1bd [ 251.723935] 2817 [ 251.727216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.731515] 6321 [ 251.733580] ? lock_downgrade+0x900/0x900 [ 251.738395] 6321 [ 251.740472] ? trace_hardirqs_off+0xb8/0x300 [ 251.744589] Node 0 [ 251.746652] ? trace_hardirqs_off+0xb8/0x300 [ 251.751056] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.753269] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.757636] lowmem_reserve[]: 0 [ 251.784408] ? warn_alloc+0x120/0x120 [ 251.789206] 0 [ 251.792501] ? warn_alloc+0x120/0x120 [ 251.796255] 3503 3503 [ 251.798066] ? print_usage_bug+0xc0/0xc0 [ 251.801844] Node 0 [ 251.804351] ? warn_alloc+0x120/0x120 [ 251.808415] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 251.810625] ? print_usage_bug+0xc0/0xc0 [ 251.814392] lowmem_reserve[]: 0 [ 251.842906] ? __lock_acquire+0x7ec/0x4ec0 [ 251.846946] 0 [ 251.850225] ? __lock_acquire+0x7ec/0x4ec0 [ 251.854426] 0 0 [ 251.856233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.862422] ? should_fail+0x22d/0xd01 [ 251.867932] Node 0 [ 251.871816] ? __lock_acquire+0x7ec/0x4ec0 [ 251.871818] DMA: 1*4kB [ 251.874058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.878267] (U) [ 251.880843] ? __lock_acquire+0x7ec/0x4ec0 [ 251.885916] 0*8kB 0*16kB [ 251.887903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.892114] 1*32kB [ 251.894868] ? __lock_acquire+0x7ec/0x4ec0 [ 251.899948] (U) [ 251.902179] ? should_fail+0x22d/0xd01 [ 251.906385] 2*64kB (U) [ 251.908401] ? mark_held_locks+0x130/0x130 [ 251.912240] 1*128kB (U) [ 251.914829] ? mark_held_locks+0x130/0x130 [ 251.919036] 1*256kB (U) [ 251.921713] ? graph_lock+0x170/0x170 [ 251.925952] 0*512kB [ 251.928622] ? print_usage_bug+0xc0/0xc0 [ 251.932402] 1*1024kB [ 251.934723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.938750] (U) 1*2048kB [ 251.941183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.946705] (M) [ 251.949461] ? check_preemption_disabled+0x48/0x200 [ 251.954965] 3*4096kB (M) [ 251.956944] ? check_preemption_disabled+0x48/0x200 [ 251.961935] = 15908kB [ 251.964698] ? __lock_is_held+0xb5/0x140 [ 251.969678] Node 0 [ 251.972092] __alloc_pages_nodemask+0xa80/0xde0 [ 251.976113] DMA32: 2*4kB [ 251.978373] ? graph_lock+0x170/0x170 [ 251.983014] (M) [ 251.985772] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.989546] 0*8kB [ 251.991530] ? graph_lock+0x170/0x170 [ 251.996512] 3*16kB (M) [ 251.998676] ? find_held_lock+0x36/0x1c0 [ 252.002435] 1*32kB (M) [ 252.005036] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.009067] 2*64kB [ 252.011650] ? lock_downgrade+0x900/0x900 [ 252.016284] (M) 4*128kB [ 252.018529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.022636] (UM) 3*256kB [ 252.025314] cache_grow_begin+0x91/0x8c0 [ 252.030834] (UM) [ 252.033588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.037635] 4*512kB [ 252.039696] fallback_alloc+0x203/0x2e0 [ 252.044070] (UM) [ 252.046403] ____cache_alloc_node+0x1c7/0x1e0 [ 252.050338] 3*1024kB (M) [ 252.052414] kmem_cache_alloc_node+0xe3/0x730 [ 252.056874] 3*2048kB [ 252.059640] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.064113] (UM) 3*4096kB [ 252.066532] __alloc_skb+0x119/0x770 [ 252.070735] (M) [ 252.073577] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.077258] = 25048kB [ 252.079231] ? skb_scrub_packet+0x490/0x490 [ 252.084478] Node 0 [ 252.086883] ? lock_downgrade+0x900/0x900 [ 252.091182] Normal: [ 252.093417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.097536] 865*4kB [ 252.099856] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.105363] (UMEH) [ 252.107692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.113108] 401*8kB (UMEH) [ 252.115349] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.120766] 165*16kB (UMEH) [ 252.123708] ndisc_alloc_skb+0x144/0x340 [ 252.128076] 83*32kB (UMEH) [ 252.131096] ndisc_send_rs+0x331/0x6e0 [ 252.135125] 31*64kB (UMH) [ 252.138066] addrconf_rs_timer+0x3c0/0x6f0 [ 252.141918] 0*128kB 0*256kB [ 252.144770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.148975] 0*512kB [ 252.151998] call_timer_fn+0x272/0x920 [ 252.156672] 0*1024kB 0*2048kB [ 252.159007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.162862] 0*4096kB = 13948kB [ 252.166059] ? process_timeout+0x40/0x40 [ 252.170272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.173449] ? find_held_lock+0x36/0x1c0 [ 252.177489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.186317] ? __run_timers+0x7da/0xc70 [ 252.190345] 413 total pagecache pages [ 252.198948] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.202910] 0 pages in swap cache [ 252.206700] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.211169] Swap cache stats: add 0, delete 0, find 0/0 [ 252.211179] Free swap = 0kB [ 252.214628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.219088] Total swap = 0kB [ 252.219097] 1965979 pages RAM [ 252.224458] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.227446] 0 pages HighMem/MovableOnly [ 252.227457] 342744 pages reserved [ 252.231695] ? trace_hardirqs_on+0xbd/0x310 [ 252.234686] 0 pages cma reserved [ 252.234761] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.237802] ? kasan_check_read+0x11/0x20 [ 252.237821] ? __run_timers+0x7da/0xc70 [ 252.242468] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.246386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.250068] syz-fuzzer cpuset= [ 252.254406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.257732] / [ 252.264221] __run_timers+0x7e5/0xc70 [ 252.268345] mems_allowed=0 [ 252.272326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.309127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.314664] ? graph_lock+0x170/0x170 [ 252.318494] ? enqueue_hrtimer+0x1a5/0x560 [ 252.322733] ? lock_release+0x970/0x970 [ 252.326708] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.331909] ? find_held_lock+0x36/0x1c0 [ 252.335978] ? graph_lock+0x170/0x170 [ 252.339784] ? pvclock_read_flags+0x160/0x160 [ 252.344293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.349837] ? check_preemption_disabled+0x48/0x200 [ 252.354875] ? __lock_is_held+0xb5/0x140 [ 252.358940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.364479] ? check_preemption_disabled+0x48/0x200 [ 252.369507] run_timer_softirq+0x52/0xb0 [ 252.373568] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.378591] __do_softirq+0x30b/0xad8 [ 252.382416] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.387533] ? pvclock_read_flags+0x160/0x160 [ 252.392030] ? lapic_next_event+0x5a/0x90 [ 252.396184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.401729] ? check_preemption_disabled+0x48/0x200 [ 252.406772] ? check_preemption_disabled+0x48/0x200 [ 252.411806] ? kvm_clock_read+0x18/0x30 [ 252.415783] ? kvm_sched_clock_read+0x9/0x20 [ 252.420200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.425746] ? check_preemption_disabled+0x48/0x200 [ 252.430783] irq_exit+0x17f/0x1c0 [ 252.434242] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.439086] ? smp_reschedule_interrupt+0x109/0x650 [ 252.444104] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.450863] ? interrupt_entry+0xb5/0xf0 [ 252.454927] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.459998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.465055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.469899] ? trace_hardirqs_off+0x300/0x300 [ 252.474409] ? trace_hardirqs_off+0x300/0x300 [ 252.478913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.484458] ? check_preemption_disabled+0x48/0x200 [ 252.489474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.495021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.499879] apic_timer_interrupt+0xf/0x20 [ 252.504111] [ 252.506351] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 252.511302] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 252.530225] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 252.537941] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 252.545217] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 252.552494] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 252.559761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 252.567031] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 252.574348] skb_clone+0x1bb/0x500 [ 252.577920] ? finish_task_switch+0x1b5/0x900 [ 252.582424] ? skb_split+0x11e0/0x11e0 [ 252.586316] ? preempt_notifier_register+0x200/0x200 [ 252.591421] ? __switch_to_asm+0x34/0x70 [ 252.595486] ? __switch_to_asm+0x34/0x70 [ 252.599547] ? __switch_to_asm+0x40/0x70 [ 252.603610] ? __switch_to_asm+0x34/0x70 [ 252.607671] ? __switch_to_asm+0x40/0x70 [ 252.611732] ? __switch_to_asm+0x34/0x70 [ 252.615814] ? __switch_to_asm+0x40/0x70 [ 252.619880] ? __switch_to_asm+0x34/0x70 [ 252.623949] ? __switch_to_asm+0x34/0x70 [ 252.628022] ? __switch_to_asm+0x40/0x70 [ 252.632085] ? __switch_to_asm+0x34/0x70 [ 252.636159] bpf_clone_redirect+0xb9/0x490 [ 252.640412] ? __schedule+0x874/0x1ed0 [ 252.644308] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 252.649333] ? __sched_text_start+0x8/0x8 [ 252.653490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.658266] ? find_held_lock+0x36/0x1c0 [ 252.662340] ? lock_acquire+0x1ed/0x520 [ 252.666328] ? bpf_test_run+0x32e/0x5a0 [ 252.670307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.675862] ? check_preemption_disabled+0x48/0x200 [ 252.680908] ? kasan_check_read+0x11/0x20 [ 252.685066] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.690363] ? rcu_bh_qs+0xc0/0xc0 [ 252.693928] ? preempt_schedule+0x4d/0x60 [ 252.698078] ? ___preempt_schedule+0x16/0x18 [ 252.702502] ? bpf_test_run+0x1c0/0x5a0 [ 252.706503] ? netlink_diag_dump+0x2a0/0x2a0 [ 252.710937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.716475] ? bpf_test_init.isra.9+0x70/0x100 [ 252.721105] ? bpf_prog_test_run_skb+0x634/0xb40 [ 252.725877] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.730722] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.736264] ? fput+0x130/0x1a0 [ 252.739551] ? __bpf_prog_get+0x9b/0x290 [ 252.743618] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.748466] ? bpf_prog_test_run+0x130/0x1a0 [ 252.752880] ? __x64_sys_bpf+0x3d8/0x510 [ 252.756943] ? bpf_prog_get+0x20/0x20 [ 252.760753] ? ksys_ioctl+0x81/0xd0 [ 252.764405] ? do_syscall_64+0x1b9/0x820 [ 252.768475] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.773844] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.778781] ? trace_hardirqs_off+0x300/0x300 [ 252.783282] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.788300] ? recalc_sigpending_tsk+0x180/0x180 [ 252.793064] ? kasan_check_write+0x14/0x20 [ 252.797312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.802169] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.807559] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 252.807631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.814490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.814496] Call Trace: [ 252.814503] [ 252.814520] dump_stack+0x1c4/0x2b4 [ 252.814540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.821074] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.830397] warn_alloc.cold.118+0xb7/0x1bd [ 252.832952] syz-executor0 cpuset= [ 252.835100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.838724] syz0 [ 252.843916] ? lock_downgrade+0x900/0x900 [ 252.854386] mems_allowed=0 [ 252.876090] ? trace_hardirqs_off+0xb8/0x300 [ 252.880510] ? trace_hardirqs_off+0xb8/0x300 [ 252.884935] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.889814] ? warn_alloc+0x120/0x120 [ 252.893626] ? warn_alloc+0x120/0x120 [ 252.897456] ? print_usage_bug+0xc0/0xc0 [ 252.901523] ? warn_alloc+0x120/0x120 [ 252.905327] ? print_usage_bug+0xc0/0xc0 [ 252.909403] ? __lock_acquire+0x7ec/0x4ec0 [ 252.913641] ? __lock_acquire+0x7ec/0x4ec0 [ 252.917907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.923545] ? should_fail+0x22d/0xd01 [ 252.927443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.932547] ? __lock_acquire+0x7ec/0x4ec0 [ 252.936788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.941899] ? __lock_acquire+0x7ec/0x4ec0 [ 252.946139] ? should_fail+0x22d/0xd01 [ 252.950040] ? mark_held_locks+0x130/0x130 [ 252.954285] ? mark_held_locks+0x130/0x130 [ 252.958523] ? graph_lock+0x170/0x170 [ 252.962323] ? graph_lock+0x170/0x170 [ 252.966127] ? graph_lock+0x170/0x170 [ 252.969928] ? print_usage_bug+0xc0/0xc0 [ 252.973991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.979533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.985078] ? check_preemption_disabled+0x48/0x200 [ 252.990098] ? check_preemption_disabled+0x48/0x200 [ 252.995134] ? __lock_is_held+0xb5/0x140 [ 252.999207] __alloc_pages_nodemask+0xa80/0xde0 [ 253.003887] ? graph_lock+0x170/0x170 [ 253.007702] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.012721] ? graph_lock+0x170/0x170 [ 253.016536] ? find_held_lock+0x36/0x1c0 [ 253.020645] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.025317] ? lock_downgrade+0x900/0x900 [ 253.029478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.035031] cache_grow_begin+0x91/0x8c0 [ 253.039104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.043523] fallback_alloc+0x203/0x2e0 [ 253.047512] ____cache_alloc_node+0x1c7/0x1e0 [ 253.052020] kmem_cache_alloc_node+0xe3/0x730 [ 253.056519] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.060766] __alloc_skb+0x119/0x770 [ 253.064487] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.069770] ? skb_scrub_packet+0x490/0x490 [ 253.074091] ? lock_downgrade+0x900/0x900 [ 253.078251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.083799] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.089261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.094718] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.099151] ndisc_alloc_skb+0x144/0x340 [ 253.103223] ndisc_send_rs+0x331/0x6e0 [ 253.107125] addrconf_rs_timer+0x3c0/0x6f0 [ 253.111374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.115625] call_timer_fn+0x272/0x920 [ 253.119516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.123757] ? process_timeout+0x40/0x40 [ 253.127817] ? find_held_lock+0x36/0x1c0 [ 253.131897] ? mark_held_locks+0xc7/0x130 [ 253.136050] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.140557] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.145056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.149309] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.153901] ? trace_hardirqs_on+0xbd/0x310 [ 253.158227] ? kasan_check_read+0x11/0x20 [ 253.162390] ? __run_timers+0x7da/0xc70 [ 253.166390] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.171854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.176107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.180347] __run_timers+0x7e5/0xc70 [ 253.184177] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.189553] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.194581] ? graph_lock+0x170/0x170 [ 253.198402] ? print_usage_bug+0xc0/0xc0 [ 253.202472] ? lock_release+0x970/0x970 [ 253.206458] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.211662] ? find_held_lock+0x36/0x1c0 [ 253.215748] ? graph_lock+0x170/0x170 [ 253.219558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.225100] ? check_preemption_disabled+0x48/0x200 [ 253.230130] ? __lock_is_held+0xb5/0x140 [ 253.234193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.239739] ? check_preemption_disabled+0x48/0x200 [ 253.244767] run_timer_softirq+0x52/0xb0 [ 253.248839] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.253867] __do_softirq+0x30b/0xad8 [ 253.257692] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.262806] ? pvclock_read_flags+0x160/0x160 [ 253.267303] ? lapic_next_event+0x5a/0x90 [ 253.271455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.276999] ? check_preemption_disabled+0x48/0x200 [ 253.282020] ? check_preemption_disabled+0x48/0x200 [ 253.287047] ? kvm_clock_read+0x18/0x30 [ 253.291028] ? kvm_sched_clock_read+0x9/0x20 [ 253.295440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.300980] ? check_preemption_disabled+0x48/0x200 [ 253.306015] irq_exit+0x17f/0x1c0 [ 253.309477] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.314329] ? smp_reschedule_interrupt+0x109/0x650 [ 253.319351] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.325251] ? interrupt_entry+0xb5/0xf0 [ 253.329322] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.334336] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.340078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.344927] ? trace_hardirqs_off+0x300/0x300 [ 253.349421] ? trace_hardirqs_off+0x300/0x300 [ 253.353923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.359465] ? check_preemption_disabled+0x48/0x200 [ 253.364489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.370045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.374907] apic_timer_interrupt+0xf/0x20 [ 253.379142] [ 253.381456] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 253.386748] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 253.405673] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 253.413407] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 253.420679] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 253.427949] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 253.435216] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 253.442492] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 253.449786] ? arch_local_irq_restore+0x45/0x52 [ 253.454464] dump_stack+0x26a/0x2b4 [ 253.458104] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.463303] ? mark_held_locks+0x130/0x130 [ 253.467544] ? mark_held_locks+0x130/0x130 [ 253.471788] dump_header+0x27b/0xf72 [ 253.475517] ? pagefault_out_of_memory+0x197/0x197 [ 253.480457] ? mark_held_locks+0x130/0x130 [ 253.484697] ? __lock_acquire+0x7ec/0x4ec0 [ 253.488935] ? mem_cgroup_charge_statistics+0x780/0x780 [ 253.494300] ? print_usage_bug+0xc0/0xc0 [ 253.498361] ? print_usage_bug+0xc0/0xc0 [ 253.502441] ? graph_lock+0x170/0x170 [ 253.506250] ? graph_lock+0x170/0x170 [ 253.510056] ? print_usage_bug+0xc0/0xc0 [ 253.514115] ? print_usage_bug+0xc0/0xc0 [ 253.518186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.523734] ? find_held_lock+0x36/0x1c0 [ 253.527807] ? mark_held_locks+0xc7/0x130 [ 253.531959] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.537068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.542176] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.546763] ? trace_hardirqs_on+0xbd/0x310 [ 253.551094] ? kasan_check_read+0x11/0x20 [ 253.555251] ? ___ratelimit+0x36f/0x655 [ 253.559233] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.564692] ? trace_hardirqs_on+0x310/0x310 [ 253.569106] ? lock_downgrade+0x900/0x900 [ 253.573266] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.578400] ? ___ratelimit+0xaa/0x655 [ 253.582299] ? idr_get_free+0xec0/0xec0 [ 253.586278] ? kasan_check_write+0x14/0x20 [ 253.590517] ? do_raw_spin_lock+0xc1/0x200 [ 253.594779] oom_kill_process.cold.27+0x10/0x903 [ 253.599540] ? graph_lock+0x170/0x170 [ 253.603346] ? _raw_spin_unlock+0x2c/0x50 [ 253.607510] ? oom_badness+0xe6/0xaa0 [ 253.611319] ? oom_evaluate_task+0x540/0x540 [ 253.615735] ? find_held_lock+0x36/0x1c0 [ 253.619810] ? out_of_memory+0x974/0x14c0 [ 253.623962] ? lock_downgrade+0x900/0x900 [ 253.628116] ? check_preemption_disabled+0x48/0x200 [ 253.633143] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.638948] ? kasan_check_read+0x11/0x20 [ 253.643104] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.648420] ? rcu_bh_qs+0xc0/0xc0 [ 253.651979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.657010] ? oom_evaluate_task+0x302/0x540 [ 253.661429] out_of_memory+0xa86/0x14c0 [ 253.665418] ? oom_killer_disable+0x3a0/0x3a0 [ 253.669949] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 253.674900] ? __mutex_add_waiter+0x2a0/0x2a0 [ 253.679430] __alloc_pages_slowpath+0x2318/0x2d80 [ 253.684324] ? warn_alloc+0x120/0x120 [ 253.688161] ? find_get_entry+0x2f2/0xc40 [ 253.692337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.697909] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 253.702856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.708417] ? should_fail+0x22d/0xd01 [ 253.712325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.717441] ? __lock_is_held+0xb5/0x140 [ 253.721566] ? __lock_is_held+0xb5/0x140 [ 253.725654] ? find_held_lock+0x36/0x1c0 [ 253.729749] ? ___might_sleep+0x1ed/0x300 [ 253.733916] ? lock_release+0x970/0x970 [ 253.737907] ? arch_local_save_flags+0x40/0x40 [ 253.742512] ? __might_sleep+0x95/0x190 [ 253.746497] __alloc_pages_nodemask+0xa80/0xde0 [ 253.751199] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.756229] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.762062] ? kasan_check_read+0x11/0x20 [ 253.766333] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.771655] ? graph_lock+0x170/0x170 [ 253.775463] ? print_usage_bug+0xc0/0xc0 [ 253.779534] ? graph_lock+0x170/0x170 [ 253.783333] ? graph_lock+0x170/0x170 [ 253.787141] ? __do_page_cache_readahead+0x7ce/0x980 [ 253.792255] ? find_held_lock+0x36/0x1c0 [ 253.796330] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 253.801886] alloc_pages_current+0x10c/0x210 [ 253.806298] ? lock_downgrade+0x900/0x900 [ 253.810459] __page_cache_alloc+0x38f/0x5b0 [ 253.814785] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.820585] ? kasan_check_read+0x11/0x20 [ 253.824738] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.830024] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 253.834700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.840241] ? check_preemption_disabled+0x48/0x200 [ 253.845276] filemap_fault+0x1594/0x25f0 [ 253.849361] ? __lock_page_or_retry+0xa00/0xa00 [ 253.854043] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.859846] ? kasan_check_read+0x11/0x20 [ 253.864013] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.869294] ? rcu_bh_qs+0xc0/0xc0 [ 253.872849] ? filemap_map_pages+0xdea/0x1980 [ 253.877377] ? find_get_pages_range_tag+0x1320/0x1320 [ 253.882573] ? do_raw_spin_lock+0xc1/0x200 [ 253.886813] ? graph_lock+0x170/0x170 [ 253.890624] ? futex_wait_setup+0x266/0x3e0 [ 253.894968] ? lock_acquire+0x1ed/0x520 [ 253.898948] ? ext4_filemap_fault+0x7a/0xad [ 253.903280] ? lock_release+0x970/0x970 [ 253.907261] ? arch_local_save_flags+0x40/0x40 [ 253.911853] ? futex_wait_setup+0x3e0/0x3e0 [ 253.916177] ? print_usage_bug+0xc0/0xc0 [ 253.920261] ? down_read+0xb0/0x1d0 [ 253.923897] ? ext4_filemap_fault+0x7a/0xad [ 253.928240] ? __down_interruptible+0x700/0x700 [ 253.932927] ? find_held_lock+0x36/0x1c0 [ 253.936995] ext4_filemap_fault+0x82/0xad [ 253.941150] __do_fault+0x100/0x6b0 [ 253.944786] ? lock_downgrade+0x900/0x900 [ 253.948937] ? print_bad_pte+0x6c0/0x6c0 [ 253.953005] ? do_futex+0x249/0x26d0 [ 253.956726] ? kasan_check_read+0x11/0x20 [ 253.960884] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.965299] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 253.969891] ? add_mm_counter_fast+0xd0/0xd0 [ 253.974314] __handle_mm_fault+0x3709/0x53e0 [ 253.978738] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 253.983582] ? __fpu__restore_sig+0x62f/0x1680 [ 253.988168] ? graph_lock+0x170/0x170 [ 253.991971] ? print_usage_bug+0xc0/0xc0 [ 253.996033] ? graph_lock+0x170/0x170 [ 253.999837] ? graph_lock+0x170/0x170 [ 254.003640] ? graph_lock+0x170/0x170 [ 254.007467] ? handle_mm_fault+0x42a/0xc70 [ 254.011714] ? lock_downgrade+0x900/0x900 [ 254.015868] ? check_preemption_disabled+0x48/0x200 [ 254.020903] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.026706] ? kasan_check_read+0x11/0x20 [ 254.030867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.036601] ? rcu_bh_qs+0xc0/0xc0 [ 254.040142] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.045600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.051143] ? check_preemption_disabled+0x48/0x200 [ 254.056179] handle_mm_fault+0x54f/0xc70 [ 254.060255] ? __handle_mm_fault+0x53e0/0x53e0 [ 254.064852] ? find_vma+0x34/0x190 [ 254.068417] __do_page_fault+0x67d/0xed0 [ 254.072496] ? mm_fault_error+0x380/0x380 [ 254.076648] ? trace_hardirqs_off+0xb8/0x300 [ 254.081060] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.086429] ? trace_hardirqs_on+0x310/0x310 [ 254.090847] do_page_fault+0xf2/0x7e0 [ 254.094658] ? vmalloc_sync_all+0x30/0x30 [ 254.098817] ? error_entry+0x70/0xd0 [ 254.102537] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.107557] ? trace_hardirqs_on_caller+0xc0/0x300 [ 254.112492] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.117425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.122273] ? trace_hardirqs_off+0x300/0x300 [ 254.126773] ? trace_hardirqs_off_caller+0x300/0x300 [ 254.132047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.137588] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.142608] ? page_fault+0x8/0x30 [ 254.146153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.151002] ? page_fault+0x8/0x30 [ 254.154805] page_fault+0x1e/0x30 [ 254.158257] RIP: 0033:0x407e06 [ 254.161452] Code: Bad RIP value. [ 254.164811] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 254.170264] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 254.177534] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 254.184804] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 254.192338] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 254.199643] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 254.206971] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 254.206977] warn_alloc_show_mem: 1 callbacks suppressed [ 254.206985] Mem-Info: [ 254.214203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.214214] Call Trace: [ 254.219593] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 254.219593] active_file:16 inactive_file:17 isolated_file:1 [ 254.219593] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.219593] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 254.219593] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 254.219593] free:13718 free_pcp:223 free_cma:0 [ 254.221965] [ 254.231336] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 254.233930] dump_stack+0x1c4/0x2b4 [ 254.266807] Node 0 [ 254.268970] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.296646] 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 [ 254.300259] warn_alloc.cold.118+0xb7/0x1bd [ 254.302464] lowmem_reserve[]: 0 [ 254.307665] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.333445] 2817 6321 [ 254.337794] ? lock_downgrade+0x900/0x900 [ 254.341044] 6321 [ 254.345889] ? trace_hardirqs_off+0xb8/0x300 [ 254.348354] Node 0 [ 254.352507] ? trace_hardirqs_off+0xb8/0x300 [ 254.354582] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 254.358965] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.361171] lowmem_reserve[]: [ 254.365603] ? warn_alloc+0x120/0x120 [ 254.392276] 0 0 [ 254.397150] ? warn_alloc+0x120/0x120 [ 254.400215] 3503 3503 [ 254.404024] ? print_usage_bug+0xc0/0xc0 [ 254.409774] ? warn_alloc+0x120/0x120 [ 254.412248] Node 0 [ 254.416318] ? print_usage_bug+0xc0/0xc0 [ 254.420116] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 254.422324] ? __lock_acquire+0x7ec/0x4ec0 [ 254.426351] lowmem_reserve[]: 0 [ 254.455003] ? __lock_acquire+0x7ec/0x4ec0 [ 254.459216] 0 [ 254.462497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.466703] 0 [ 254.468502] ? should_fail+0x22d/0xd01 [ 254.474009] 0 [ 254.475816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.479671] Node 0 [ 254.481473] ? __lock_acquire+0x7ec/0x4ec0 [ 254.486549] DMA: [ 254.488789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.492991] 1*4kB [ 254.495056] ? __lock_acquire+0x7ec/0x4ec0 [ 254.500129] (U) [ 254.502282] ? should_fail+0x22d/0xd01 [ 254.506480] 0*8kB 0*16kB [ 254.508472] ? mark_held_locks+0x130/0x130 [ 254.512319] 1*32kB (U) [ 254.515089] ? mark_held_locks+0x130/0x130 [ 254.519286] 2*64kB (U) [ 254.521874] ? graph_lock+0x170/0x170 [ 254.526078] 1*128kB (U) [ 254.528663] ? graph_lock+0x170/0x170 [ 254.532436] 1*256kB [ 254.535104] ? graph_lock+0x170/0x170 [ 254.538878] (U) [ 254.541198] ? print_usage_bug+0xc0/0xc0 [ 254.544971] 0*512kB [ 254.546948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.550981] 1*1024kB [ 254.553304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.558804] (U) 1*2048kB [ 254.561228] ? check_preemption_disabled+0x48/0x200 [ 254.566735] (M) [ 254.569492] ? check_preemption_disabled+0x48/0x200 [ 254.569521] ? __lock_is_held+0xb5/0x140 [ 254.574518] 3*4096kB [ 254.576502] __alloc_pages_nodemask+0xa80/0xde0 [ 254.581483] (M) [ 254.585540] ? graph_lock+0x170/0x170 [ 254.587918] = 15908kB [ 254.592582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.594527] Node 0 [ 254.598323] ? graph_lock+0x170/0x170 [ 254.600704] DMA32: [ 254.605725] ? find_held_lock+0x36/0x1c0 [ 254.607929] 2*4kB [ 254.611731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.613932] (M) [ 254.617991] ? lock_downgrade+0x900/0x900 [ 254.620115] 0*8kB [ 254.624797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.626740] 3*16kB (M) [ 254.630900] cache_grow_begin+0x91/0x8c0 [ 254.633021] 1*32kB [ 254.638551] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.641109] (M) [ 254.645173] fallback_alloc+0x203/0x2e0 [ 254.647394] 2*64kB [ 254.651800] ____cache_alloc_node+0x1c7/0x1e0 [ 254.653744] (M) [ 254.657712] kmem_cache_alloc_node+0xe3/0x730 [ 254.659924] 4*128kB [ 254.664419] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.666361] (UM) 3*256kB [ 254.670881] __alloc_skb+0x119/0x770 [ 254.673176] (UM) [ 254.677416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.680139] 4*512kB (UM) [ 254.683854] ? skb_scrub_packet+0x490/0x490 [ 254.685894] 3*1024kB [ 254.691162] ? lock_downgrade+0x900/0x900 [ 254.693894] (M) [ 254.698215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.700596] 3*2048kB [ 254.704738] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.706689] (UM) [ 254.712220] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.714603] 3*4096kB [ 254.720064] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.722098] (M) [ 254.727554] ndisc_alloc_skb+0x144/0x340 [ 254.729929] = 25048kB [ 254.734331] ndisc_send_rs+0x331/0x6e0 [ 254.736276] Node 0 Normal: [ 254.740360] addrconf_rs_timer+0x3c0/0x6f0 [ 254.742751] 865*4kB [ 254.746634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.749536] (UMEH) [ 254.753772] call_timer_fn+0x272/0x920 [ 254.756056] 401*8kB (UMEH) [ 254.760298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.762522] 165*16kB (UMEH) [ 254.766416] ? process_timeout+0x40/0x40 [ 254.769318] 83*32kB (UMEH) [ 254.773555] ? find_held_lock+0x36/0x1c0 [ 254.776540] 31*64kB (UMH) [ 254.780607] ? __run_timers+0x7da/0xc70 [ 254.783521] 0*128kB 0*256kB [ 254.787584] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.790403] 0*512kB [ 254.794366] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.797379] 0*1024kB [ 254.801871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.804174] 0*2048kB [ 254.808662] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.811044] 0*4096kB [ 254.815274] ? trace_hardirqs_on+0xbd/0x310 [ 254.817660] = 13948kB [ 254.822235] ? kasan_check_read+0x11/0x20 [ 254.824624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.828931] ? __run_timers+0x7da/0xc70 [ 254.831321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.835455] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.844265] 413 total pagecache pages [ 254.848232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.856784] 0 pages in swap cache [ 254.862221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.865997] Swap cache stats: add 0, delete 0, find 0/0 [ 254.870223] __run_timers+0x7e5/0xc70 [ 254.873644] Free swap = 0kB [ 254.873653] Total swap = 0kB [ 254.877904] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.883241] 1965979 pages RAM [ 254.887053] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.890355] 0 pages HighMem/MovableOnly [ 254.890365] 342744 pages reserved [ 254.893399] ? graph_lock+0x170/0x170 [ 254.898738] 0 pages cma reserved [ 254.901841] ? enqueue_hrtimer+0x1a5/0x560 [ 254.906917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.910810] ? lock_release+0x970/0x970 [ 254.910827] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.914343] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.918064] ? find_held_lock+0x36/0x1c0 [ 254.921400] syz-fuzzer cpuset= [ 254.925628] ? graph_lock+0x170/0x170 [ 254.932096] / [ 254.936071] ? pvclock_read_flags+0x160/0x160 [ 254.941239] mems_allowed=0 [ 254.951461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.977088] ? check_preemption_disabled+0x48/0x200 [ 254.982125] ? __lock_is_held+0xb5/0x140 [ 254.986193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.991739] ? check_preemption_disabled+0x48/0x200 [ 254.996767] run_timer_softirq+0x52/0xb0 [ 255.000830] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.005854] __do_softirq+0x30b/0xad8 [ 255.009671] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.014785] ? pvclock_read_flags+0x160/0x160 [ 255.019286] ? lapic_next_event+0x5a/0x90 [ 255.023444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.028986] ? check_preemption_disabled+0x48/0x200 [ 255.034003] ? check_preemption_disabled+0x48/0x200 [ 255.039030] ? kvm_clock_read+0x18/0x30 [ 255.043006] ? kvm_sched_clock_read+0x9/0x20 [ 255.047419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.052962] ? check_preemption_disabled+0x48/0x200 [ 255.057997] irq_exit+0x17f/0x1c0 [ 255.061455] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.066304] ? smp_reschedule_interrupt+0x109/0x650 [ 255.071330] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.077218] ? interrupt_entry+0xb5/0xf0 [ 255.081283] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.086308] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.091329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.096173] ? trace_hardirqs_off+0x300/0x300 [ 255.100670] ? trace_hardirqs_off+0x300/0x300 [ 255.105177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.110719] ? check_preemption_disabled+0x48/0x200 [ 255.115735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.121286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.126159] apic_timer_interrupt+0xf/0x20 [ 255.130401] [ 255.132643] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.137574] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 255.156481] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 255.164194] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.171466] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 255.178736] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 255.186003] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.193274] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.200594] skb_clone+0x1bb/0x500 [ 255.204136] ? finish_task_switch+0x1b5/0x900 [ 255.208639] ? skb_split+0x11e0/0x11e0 [ 255.212531] ? preempt_notifier_register+0x200/0x200 [ 255.217639] ? __switch_to_asm+0x34/0x70 [ 255.221705] ? __switch_to_asm+0x34/0x70 [ 255.225763] ? __switch_to_asm+0x40/0x70 [ 255.229820] ? __switch_to_asm+0x34/0x70 [ 255.233883] ? __switch_to_asm+0x40/0x70 [ 255.237946] ? __switch_to_asm+0x34/0x70 [ 255.242008] ? __switch_to_asm+0x40/0x70 [ 255.246071] ? __switch_to_asm+0x34/0x70 [ 255.250135] ? __switch_to_asm+0x34/0x70 [ 255.254193] ? __switch_to_asm+0x40/0x70 [ 255.258255] ? __switch_to_asm+0x34/0x70 [ 255.262330] bpf_clone_redirect+0xb9/0x490 [ 255.266572] ? __schedule+0x874/0x1ed0 [ 255.270473] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 255.275498] ? __sched_text_start+0x8/0x8 [ 255.279743] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.284514] ? find_held_lock+0x36/0x1c0 [ 255.288586] ? lock_acquire+0x1ed/0x520 [ 255.292567] ? bpf_test_run+0x32e/0x5a0 [ 255.296549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.302097] ? check_preemption_disabled+0x48/0x200 [ 255.307144] ? kasan_check_read+0x11/0x20 [ 255.311306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.316594] ? rcu_bh_qs+0xc0/0xc0 [ 255.320139] ? preempt_schedule+0x4d/0x60 [ 255.324293] ? ___preempt_schedule+0x16/0x18 [ 255.328719] ? bpf_test_run+0x1c0/0x5a0 [ 255.332705] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.337121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.342661] ? bpf_test_init.isra.9+0x70/0x100 [ 255.347273] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.352048] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.356996] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.362532] ? fput+0x130/0x1a0 [ 255.365815] ? __bpf_prog_get+0x9b/0x290 [ 255.369879] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.374722] ? bpf_prog_test_run+0x130/0x1a0 [ 255.379142] ? __x64_sys_bpf+0x3d8/0x510 [ 255.383299] ? bpf_prog_get+0x20/0x20 [ 255.387112] ? ksys_ioctl+0x81/0xd0 [ 255.390758] ? do_syscall_64+0x1b9/0x820 [ 255.394823] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.400194] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.405126] ? trace_hardirqs_off+0x300/0x300 [ 255.409634] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.414657] ? recalc_sigpending_tsk+0x180/0x180 [ 255.419423] ? kasan_check_write+0x14/0x20 [ 255.423665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.428519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.433903] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 255.433975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.440829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.440835] Call Trace: [ 255.440842] [ 255.440857] dump_stack+0x1c4/0x2b4 [ 255.440878] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.447464] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.456736] warn_alloc.cold.118+0xb7/0x1bd [ 255.459289] syz-executor0 cpuset= [ 255.461524] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.465123] syz0 [ 255.470310] ? lock_downgrade+0x900/0x900 [ 255.480768] mems_allowed=0 [ 255.502383] ? trace_hardirqs_off+0xb8/0x300 [ 255.506807] ? trace_hardirqs_off+0xb8/0x300 [ 255.511233] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.516110] ? warn_alloc+0x120/0x120 [ 255.519922] ? trace_hardirqs_on+0x310/0x310 [ 255.524333] ? warn_alloc+0x120/0x120 [ 255.528141] ? print_usage_bug+0xc0/0xc0 [ 255.532204] ? warn_alloc+0x120/0x120 [ 255.536010] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 255.541029] ? print_usage_bug+0xc0/0xc0 [ 255.545093] ? __lock_acquire+0x7ec/0x4ec0 [ 255.549326] ? __lock_acquire+0x7ec/0x4ec0 [ 255.553569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.559110] ? should_fail+0x22d/0xd01 [ 255.563008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.568113] ? __lock_acquire+0x7ec/0x4ec0 [ 255.572356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.577471] ? __lock_acquire+0x7ec/0x4ec0 [ 255.581705] ? should_fail+0x22d/0xd01 [ 255.585592] ? print_usage_bug+0xc0/0xc0 [ 255.589671] ? mark_held_locks+0x130/0x130 [ 255.593919] ? mark_held_locks+0x130/0x130 [ 255.598166] ? graph_lock+0x170/0x170 [ 255.601970] ? print_usage_bug+0xc0/0xc0 [ 255.606033] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.610796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.616340] ? check_preemption_disabled+0x48/0x200 [ 255.621362] ? check_preemption_disabled+0x48/0x200 [ 255.626407] ? __lock_is_held+0xb5/0x140 [ 255.630479] __alloc_pages_nodemask+0xa80/0xde0 [ 255.635151] ? graph_lock+0x170/0x170 [ 255.638959] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.643985] ? graph_lock+0x170/0x170 [ 255.647796] ? find_held_lock+0x36/0x1c0 [ 255.651868] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.656542] ? lock_downgrade+0x900/0x900 [ 255.660698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.666245] cache_grow_begin+0x91/0x8c0 [ 255.670309] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.674735] fallback_alloc+0x203/0x2e0 [ 255.678730] ____cache_alloc_node+0x1c7/0x1e0 [ 255.683245] kmem_cache_alloc_node+0xe3/0x730 [ 255.687751] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.692001] __alloc_skb+0x119/0x770 [ 255.695721] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.701008] ? skb_scrub_packet+0x490/0x490 [ 255.705333] ? lock_downgrade+0x900/0x900 [ 255.709493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.715034] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.720497] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.725953] ? addrconf_rs_timer+0x6f0/0x6f0 [ 255.730386] ndisc_alloc_skb+0x144/0x340 [ 255.734457] ndisc_send_rs+0x331/0x6e0 [ 255.738356] addrconf_rs_timer+0x3c0/0x6f0 [ 255.742609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.746858] call_timer_fn+0x272/0x920 [ 255.750755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.754996] ? process_timeout+0x40/0x40 [ 255.759055] ? find_held_lock+0x36/0x1c0 [ 255.763125] ? mark_held_locks+0xc7/0x130 [ 255.767278] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.771770] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.776268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.780501] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.785088] ? trace_hardirqs_on+0xbd/0x310 [ 255.789414] ? kasan_check_read+0x11/0x20 [ 255.793565] ? __run_timers+0x7da/0xc70 [ 255.797541] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.803002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.807243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.811481] __run_timers+0x7e5/0xc70 [ 255.815299] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.820670] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.825687] ? graph_lock+0x170/0x170 [ 255.829496] ? print_usage_bug+0xc0/0xc0 [ 255.833554] ? lock_release+0x970/0x970 [ 255.837529] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.842726] ? find_held_lock+0x36/0x1c0 [ 255.846792] ? graph_lock+0x170/0x170 [ 255.850632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.856176] ? check_preemption_disabled+0x48/0x200 [ 255.861210] ? __lock_is_held+0xb5/0x140 [ 255.865300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.870850] ? check_preemption_disabled+0x48/0x200 [ 255.875889] run_timer_softirq+0x52/0xb0 [ 255.879951] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.884974] __do_softirq+0x30b/0xad8 [ 255.888788] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.893906] ? pvclock_read_flags+0x160/0x160 [ 255.898411] ? lapic_next_event+0x5a/0x90 [ 255.902563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.908108] ? check_preemption_disabled+0x48/0x200 [ 255.913123] ? check_preemption_disabled+0x48/0x200 [ 255.918147] ? kvm_clock_read+0x18/0x30 [ 255.922127] ? kvm_sched_clock_read+0x9/0x20 [ 255.926538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.932085] ? check_preemption_disabled+0x48/0x200 [ 255.937117] irq_exit+0x17f/0x1c0 [ 255.940582] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.945430] ? smp_reschedule_interrupt+0x109/0x650 [ 255.950453] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.956338] ? interrupt_entry+0xb5/0xf0 [ 255.960418] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.965433] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.970452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.975300] ? trace_hardirqs_off+0x300/0x300 [ 255.979798] ? trace_hardirqs_off+0x300/0x300 [ 255.984298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.989848] ? check_preemption_disabled+0x48/0x200 [ 255.994873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.000434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.005289] apic_timer_interrupt+0xf/0x20 [ 256.009517] [ 256.011758] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 256.017040] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 256.035943] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 256.043740] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 256.051009] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 256.058274] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 256.065541] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 256.072807] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 256.080104] ? arch_local_irq_restore+0x45/0x52 [ 256.084783] dump_stack+0x26a/0x2b4 [ 256.088431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.093629] ? mark_held_locks+0x130/0x130 [ 256.097867] ? mark_held_locks+0x130/0x130 [ 256.102113] dump_header+0x27b/0xf72 [ 256.105841] ? pagefault_out_of_memory+0x197/0x197 [ 256.110775] ? mark_held_locks+0x130/0x130 [ 256.115041] ? __lock_acquire+0x7ec/0x4ec0 [ 256.119278] ? mem_cgroup_charge_statistics+0x780/0x780 [ 256.124641] ? print_usage_bug+0xc0/0xc0 [ 256.128700] ? print_usage_bug+0xc0/0xc0 [ 256.132771] ? graph_lock+0x170/0x170 [ 256.136571] ? graph_lock+0x170/0x170 [ 256.140382] ? print_usage_bug+0xc0/0xc0 [ 256.144441] ? print_usage_bug+0xc0/0xc0 [ 256.148512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.154060] ? find_held_lock+0x36/0x1c0 [ 256.158131] ? mark_held_locks+0xc7/0x130 [ 256.162286] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.167397] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.172504] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.177086] ? trace_hardirqs_on+0xbd/0x310 [ 256.181414] ? kasan_check_read+0x11/0x20 [ 256.185568] ? ___ratelimit+0x36f/0x655 [ 256.189549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.195025] ? trace_hardirqs_on+0x310/0x310 [ 256.199464] ? lock_downgrade+0x900/0x900 [ 256.203622] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.208736] ? ___ratelimit+0xaa/0x655 [ 256.212633] ? idr_get_free+0xec0/0xec0 [ 256.216611] ? kasan_check_write+0x14/0x20 [ 256.220847] ? do_raw_spin_lock+0xc1/0x200 [ 256.225094] oom_kill_process.cold.27+0x10/0x903 [ 256.229850] ? graph_lock+0x170/0x170 [ 256.233676] ? _raw_spin_unlock+0x2c/0x50 [ 256.237825] ? oom_badness+0xe6/0xaa0 [ 256.241631] ? oom_evaluate_task+0x540/0x540 [ 256.246044] ? find_held_lock+0x36/0x1c0 [ 256.250117] ? out_of_memory+0x974/0x14c0 [ 256.254270] ? lock_downgrade+0x900/0x900 [ 256.258424] ? check_preemption_disabled+0x48/0x200 [ 256.263448] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.269247] ? kasan_check_read+0x11/0x20 [ 256.273410] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.278694] ? rcu_bh_qs+0xc0/0xc0 [ 256.282240] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.287255] ? oom_evaluate_task+0x302/0x540 [ 256.291670] out_of_memory+0xa86/0x14c0 [ 256.295658] ? oom_killer_disable+0x3a0/0x3a0 [ 256.300159] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 256.305094] ? __mutex_add_waiter+0x2a0/0x2a0 [ 256.309602] __alloc_pages_slowpath+0x2318/0x2d80 [ 256.314720] ? warn_alloc+0x120/0x120 [ 256.318632] ? find_get_entry+0x2f2/0xc40 [ 256.322790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.328329] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 256.333257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.338798] ? should_fail+0x22d/0xd01 [ 256.342690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.347794] ? __lock_is_held+0xb5/0x140 [ 256.351890] ? __lock_is_held+0xb5/0x140 [ 256.355964] ? find_held_lock+0x36/0x1c0 [ 256.360032] ? ___might_sleep+0x1ed/0x300 [ 256.364181] ? lock_release+0x970/0x970 [ 256.368156] ? arch_local_save_flags+0x40/0x40 [ 256.372750] ? __might_sleep+0x95/0x190 [ 256.376736] __alloc_pages_nodemask+0xa80/0xde0 [ 256.381416] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.386441] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.392240] ? kasan_check_read+0x11/0x20 [ 256.396398] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.401680] ? graph_lock+0x170/0x170 [ 256.405484] ? print_usage_bug+0xc0/0xc0 [ 256.409551] ? graph_lock+0x170/0x170 [ 256.413349] ? graph_lock+0x170/0x170 [ 256.417160] ? __do_page_cache_readahead+0x7ce/0x980 [ 256.422271] ? find_held_lock+0x36/0x1c0 [ 256.426337] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 256.431896] alloc_pages_current+0x10c/0x210 [ 256.436305] ? lock_downgrade+0x900/0x900 [ 256.440459] __page_cache_alloc+0x38f/0x5b0 [ 256.445304] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.451104] ? kasan_check_read+0x11/0x20 [ 256.455259] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.460544] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 256.465214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.470756] ? check_preemption_disabled+0x48/0x200 [ 256.475780] filemap_fault+0x1594/0x25f0 [ 256.479855] ? __lock_page_or_retry+0xa00/0xa00 [ 256.484527] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.490325] ? kasan_check_read+0x11/0x20 [ 256.494494] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.499783] ? rcu_bh_qs+0xc0/0xc0 [ 256.503346] ? filemap_map_pages+0xdea/0x1980 [ 256.507877] ? find_get_pages_range_tag+0x1320/0x1320 [ 256.513090] ? do_raw_spin_lock+0xc1/0x200 [ 256.517332] ? graph_lock+0x170/0x170 [ 256.521141] ? futex_wait_setup+0x266/0x3e0 [ 256.525491] ? lock_acquire+0x1ed/0x520 [ 256.529471] ? ext4_filemap_fault+0x7a/0xad [ 256.533801] ? lock_release+0x970/0x970 [ 256.537785] ? arch_local_save_flags+0x40/0x40 [ 256.542386] ? futex_wait_setup+0x3e0/0x3e0 [ 256.546712] ? print_usage_bug+0xc0/0xc0 [ 256.550790] ? down_read+0xb0/0x1d0 [ 256.554420] ? ext4_filemap_fault+0x7a/0xad [ 256.558743] ? __down_interruptible+0x700/0x700 [ 256.563425] ? find_held_lock+0x36/0x1c0 [ 256.567496] ext4_filemap_fault+0x82/0xad [ 256.571650] __do_fault+0x100/0x6b0 [ 256.575278] ? lock_downgrade+0x900/0x900 [ 256.579426] ? print_bad_pte+0x6c0/0x6c0 [ 256.583488] ? do_futex+0x249/0x26d0 [ 256.587208] ? kasan_check_read+0x11/0x20 [ 256.591358] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.595775] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 256.600360] ? add_mm_counter_fast+0xd0/0xd0 [ 256.604792] __handle_mm_fault+0x3709/0x53e0 [ 256.609211] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 256.614055] ? __fpu__restore_sig+0x62f/0x1680 [ 256.618638] ? graph_lock+0x170/0x170 [ 256.622443] ? print_usage_bug+0xc0/0xc0 [ 256.626515] ? graph_lock+0x170/0x170 [ 256.630314] ? graph_lock+0x170/0x170 [ 256.634117] ? graph_lock+0x170/0x170 [ 256.637940] ? handle_mm_fault+0x42a/0xc70 [ 256.642179] ? lock_downgrade+0x900/0x900 [ 256.646330] ? check_preemption_disabled+0x48/0x200 [ 256.651359] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.657167] ? kasan_check_read+0x11/0x20 [ 256.661320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.666602] ? rcu_bh_qs+0xc0/0xc0 [ 256.670143] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.675596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.681136] ? check_preemption_disabled+0x48/0x200 [ 256.686164] handle_mm_fault+0x54f/0xc70 [ 256.690231] ? __handle_mm_fault+0x53e0/0x53e0 [ 256.694818] ? find_vma+0x34/0x190 [ 256.698365] __do_page_fault+0x67d/0xed0 [ 256.702443] ? mm_fault_error+0x380/0x380 [ 256.706594] ? trace_hardirqs_off+0xb8/0x300 [ 256.711009] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.716381] ? trace_hardirqs_on+0x310/0x310 [ 256.720803] do_page_fault+0xf2/0x7e0 [ 256.724605] ? vmalloc_sync_all+0x30/0x30 [ 256.728756] ? error_entry+0x70/0xd0 [ 256.732482] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.737498] ? trace_hardirqs_on_caller+0xc0/0x300 [ 256.742437] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.747381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.752234] ? trace_hardirqs_off+0x300/0x300 [ 256.756732] ? trace_hardirqs_off_caller+0x300/0x300 [ 256.761841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.767388] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.772412] ? page_fault+0x8/0x30 [ 256.775958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.780803] ? page_fault+0x8/0x30 [ 256.784344] page_fault+0x1e/0x30 [ 256.787801] RIP: 0033:0x407e06 [ 256.790997] Code: Bad RIP value. [ 256.794358] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 256.799731] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 256.807019] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 256.814289] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 256.821556] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 256.828824] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 256.836118] warn_alloc_show_mem: 1 callbacks suppressed [ 256.836131] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 256.836133] Mem-Info: [ 256.836162] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 256.836162] active_file:16 inactive_file:17 isolated_file:1 [ 256.836162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.836162] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 256.836162] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 256.836162] free:13718 free_pcp:223 free_cma:0 [ 256.841506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.848695] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.851093] Call Trace: [ 256.883963] Node 0 [ 256.893309] [ 256.920991] 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 [ 256.923550] dump_stack+0x1c4/0x2b4 [ 256.925756] lowmem_reserve[]: [ 256.927905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.953387] 0 2817 [ 256.957038] warn_alloc.cold.118+0xb7/0x1bd [ 256.960102] 6321 6321 [ 256.965292] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.967508] Node 0 [ 256.971824] ? lock_downgrade+0x900/0x900 [ 256.974340] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 256.979156] ? trace_hardirqs_off+0xb8/0x300 [ 256.981360] lowmem_reserve[]: 0 [ 256.985527] ? trace_hardirqs_off+0xb8/0x300 [ 257.012215] 0 3503 [ 257.016642] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.019887] 3503 [ 257.024313] ? warn_alloc+0x120/0x120 [ 257.026499] Node 0 [ 257.031335] ? trace_hardirqs_on+0x310/0x310 [ 257.033414] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 257.037180] ? warn_alloc+0x120/0x120 [ 257.039397] lowmem_reserve[]: [ 257.043802] ? print_usage_bug+0xc0/0xc0 [ 257.072635] 0 [ 257.076438] ? warn_alloc+0x120/0x120 [ 257.079507] 0 0 [ 257.083573] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.085349] 0 [ 257.089151] ? print_usage_bug+0xc0/0xc0 [ 257.091102] Node 0 [ 257.096112] ? __lock_acquire+0x7ec/0x4ec0 [ 257.097888] DMA: [ 257.101938] ? __lock_acquire+0x7ec/0x4ec0 [ 257.104151] 1*4kB [ 257.108391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.110435] (U) [ 257.114664] ? should_fail+0x22d/0xd01 [ 257.116787] 0*8kB [ 257.122314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.124264] 0*16kB [ 257.128144] ? __lock_acquire+0x7ec/0x4ec0 [ 257.130281] 1*32kB [ 257.135400] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.137594] (U) [ 257.141819] ? __lock_acquire+0x7ec/0x4ec0 [ 257.144023] 2*64kB (U) [ 257.149121] ? should_fail+0x22d/0xd01 [ 257.149137] ? print_usage_bug+0xc0/0xc0 [ 257.151090] 1*128kB (U) [ 257.155333] ? mark_held_locks+0x130/0x130 [ 257.157888] 1*256kB [ 257.161765] ? mark_held_locks+0x130/0x130 [ 257.165793] (U) 0*512kB [ 257.168472] ? graph_lock+0x170/0x170 [ 257.172676] 1*1024kB [ 257.174993] ? print_usage_bug+0xc0/0xc0 [ 257.179192] (U) 1*2048kB [ 257.181865] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.185632] (M) 3*4096kB [ 257.188046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.192073] (M) = 15908kB [ 257.194835] ? check_preemption_disabled+0x48/0x200 [ 257.199564] Node 0 [ 257.202317] ? check_preemption_disabled+0x48/0x200 [ 257.207822] DMA32: 2*4kB [ 257.210591] ? __lock_is_held+0xb5/0x140 [ 257.215569] (M) [ 257.217803] __alloc_pages_nodemask+0xa80/0xde0 [ 257.222784] 0*8kB 3*16kB [ 257.225540] ? graph_lock+0x170/0x170 [ 257.229576] (M) [ 257.231545] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.236187] 1*32kB [ 257.238935] ? graph_lock+0x170/0x170 [ 257.242701] (M) 2*64kB [ 257.244689] ? find_held_lock+0x36/0x1c0 [ 257.249665] (M) 4*128kB [ 257.251915] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.255690] (UM) 3*256kB [ 257.258279] ? lock_downgrade+0x900/0x900 [ 257.262314] (UM) [ 257.264982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.269614] 4*512kB (UM) [ 257.272391] cache_grow_begin+0x91/0x8c0 [ 257.276497] 3*1024kB (M) [ 257.278565] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.284067] 3*2048kB (UM) [ 257.286833] fallback_alloc+0x203/0x2e0 [ 257.290857] 3*4096kB (M) [ 257.293619] ____cache_alloc_node+0x1c7/0x1e0 [ 257.297996] = 25048kB [ 257.298004] Node 0 [ 257.300845] kmem_cache_alloc_node+0xe3/0x730 [ 257.304782] Normal: 865*4kB [ 257.307550] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.312010] (UMEH) 401*8kB [ 257.314428] __alloc_skb+0x119/0x770 [ 257.316635] (UMEH) [ 257.321129] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.324111] 165*16kB (UMEH) [ 257.328367] ? skb_scrub_packet+0x490/0x490 [ 257.331278] 83*32kB [ 257.334984] ? lock_downgrade+0x900/0x900 [ 257.337186] (UMEH) 31*64kB [ 257.342468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.345459] (UMH) [ 257.349772] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.352067] 0*128kB [ 257.356207] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.359109] 0*256kB 0*512kB [ 257.364647] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.366767] 0*1024kB 0*2048kB [ 257.372228] ndisc_alloc_skb+0x144/0x340 [ 257.374513] 0*4096kB = 13948kB [ 257.379966] ndisc_send_rs+0x331/0x6e0 [ 257.382966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.387364] addrconf_rs_timer+0x3c0/0x6f0 [ 257.390536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.390545] 413 total pagecache pages [ 257.394601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.397776] 0 pages in swap cache [ 257.401665] call_timer_fn+0x272/0x920 [ 257.410469] Swap cache stats: add 0, delete 0, find 0/0 [ 257.414692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.423239] Free swap = 0kB [ 257.427032] ? process_timeout+0x40/0x40 [ 257.431234] Total swap = 0kB [ 257.431242] 1965979 pages RAM [ 257.434682] ? find_held_lock+0x36/0x1c0 [ 257.434705] ? __run_timers+0x7da/0xc70 [ 257.438555] 0 pages HighMem/MovableOnly [ 257.438564] 342744 pages reserved [ 257.443923] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.448122] 0 pages cma reserved [ 257.448197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.451142] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.455270] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.458198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.461284] syz-fuzzer cpuset= [ 257.465827] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.469776] / [ 257.473755] ? trace_hardirqs_on+0xbd/0x310 [ 257.477186] mems_allowed=0 [ 257.481673] ? kasan_check_read+0x11/0x20 [ 257.531195] ? __run_timers+0x7da/0xc70 [ 257.535176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.540634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.544880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.549130] __run_timers+0x7e5/0xc70 [ 257.552947] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.558320] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.563342] ? graph_lock+0x170/0x170 [ 257.567160] ? enqueue_hrtimer+0x1a5/0x560 [ 257.571405] ? lock_release+0x970/0x970 [ 257.575411] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.580609] ? find_held_lock+0x36/0x1c0 [ 257.584676] ? graph_lock+0x170/0x170 [ 257.588499] ? pvclock_read_flags+0x160/0x160 [ 257.593003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.598547] ? check_preemption_disabled+0x48/0x200 [ 257.603577] ? __lock_is_held+0xb5/0x140 [ 257.607640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.613183] ? check_preemption_disabled+0x48/0x200 [ 257.618208] run_timer_softirq+0x52/0xb0 [ 257.622273] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.627297] __do_softirq+0x30b/0xad8 [ 257.631115] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.636228] ? pvclock_read_flags+0x160/0x160 [ 257.640723] ? lapic_next_event+0x5a/0x90 [ 257.644878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.650424] ? check_preemption_disabled+0x48/0x200 [ 257.655440] ? check_preemption_disabled+0x48/0x200 [ 257.660464] ? kvm_clock_read+0x18/0x30 [ 257.664437] ? kvm_sched_clock_read+0x9/0x20 [ 257.668849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.674408] ? check_preemption_disabled+0x48/0x200 [ 257.679442] irq_exit+0x17f/0x1c0 [ 257.682900] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.687746] ? smp_reschedule_interrupt+0x109/0x650 [ 257.692768] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.698656] ? interrupt_entry+0xb5/0xf0 [ 257.702720] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.707738] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.712756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.717600] ? trace_hardirqs_off+0x300/0x300 [ 257.722098] ? trace_hardirqs_off+0x300/0x300 [ 257.726594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.732143] ? check_preemption_disabled+0x48/0x200 [ 257.737178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.742726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.747583] apic_timer_interrupt+0xf/0x20 [ 257.751810] [ 257.754051] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.758982] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 257.777891] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 257.785606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.792869] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 257.800139] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 257.807412] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.814686] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.822004] skb_clone+0x1bb/0x500 [ 257.825548] ? finish_task_switch+0x1b5/0x900 [ 257.830049] ? skb_split+0x11e0/0x11e0 [ 257.833936] ? preempt_notifier_register+0x200/0x200 [ 257.839040] ? __switch_to_asm+0x34/0x70 [ 257.843104] ? __switch_to_asm+0x34/0x70 [ 257.847164] ? __switch_to_asm+0x40/0x70 [ 257.851222] ? __switch_to_asm+0x34/0x70 [ 257.855378] ? __switch_to_asm+0x40/0x70 [ 257.859444] ? __switch_to_asm+0x34/0x70 [ 257.863502] ? __switch_to_asm+0x40/0x70 [ 257.867560] ? __switch_to_asm+0x34/0x70 [ 257.871626] ? __switch_to_asm+0x34/0x70 [ 257.875687] ? __switch_to_asm+0x40/0x70 [ 257.879749] ? __switch_to_asm+0x34/0x70 [ 257.883819] bpf_clone_redirect+0xb9/0x490 [ 257.888061] ? __schedule+0x874/0x1ed0 [ 257.891958] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 257.896990] ? __sched_text_start+0x8/0x8 [ 257.901174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.905949] ? find_held_lock+0x36/0x1c0 [ 257.910017] ? lock_acquire+0x1ed/0x520 [ 257.913989] ? bpf_test_run+0x32e/0x5a0 [ 257.917969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.923520] ? check_preemption_disabled+0x48/0x200 [ 257.928544] ? kasan_check_read+0x11/0x20 [ 257.932694] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.937985] ? rcu_bh_qs+0xc0/0xc0 [ 257.941528] ? preempt_schedule+0x4d/0x60 [ 257.945682] ? ___preempt_schedule+0x16/0x18 [ 257.950103] ? bpf_test_run+0x1c0/0x5a0 [ 257.954091] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.958516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.964052] ? bpf_test_init.isra.9+0x70/0x100 [ 257.968673] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.973473] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.978319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.983854] ? fput+0x130/0x1a0 [ 257.987135] ? __bpf_prog_get+0x9b/0x290 [ 257.991202] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.996051] ? bpf_prog_test_run+0x130/0x1a0 [ 258.000465] ? __x64_sys_bpf+0x3d8/0x510 [ 258.004537] ? bpf_prog_get+0x20/0x20 [ 258.008350] ? ksys_ioctl+0x81/0xd0 [ 258.012007] ? do_syscall_64+0x1b9/0x820 [ 258.016071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.021441] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.026401] ? trace_hardirqs_off+0x300/0x300 [ 258.030910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.035963] ? recalc_sigpending_tsk+0x180/0x180 [ 258.040731] ? kasan_check_write+0x14/0x20 [ 258.044979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.049834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.055220] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 258.055303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.062155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.062164] Call Trace: [ 258.068756] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.077996] [ 258.080570] syz-executor0 cpuset= [ 258.091055] dump_stack+0x1c4/0x2b4 [ 258.093179] syz0 [ 258.096630] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.100223] mems_allowed=0 [ 258.110320] warn_alloc.cold.118+0xb7/0x1bd [ 258.114663] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.119516] ? lock_downgrade+0x900/0x900 [ 258.123681] ? trace_hardirqs_off+0xb8/0x300 [ 258.128108] ? trace_hardirqs_off+0xb8/0x300 [ 258.132532] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.137425] ? warn_alloc+0x120/0x120 [ 258.141234] ? trace_hardirqs_on+0x310/0x310 [ 258.145649] ? warn_alloc+0x120/0x120 [ 258.149459] ? print_usage_bug+0xc0/0xc0 [ 258.153529] ? warn_alloc+0x120/0x120 [ 258.157331] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.162355] ? print_usage_bug+0xc0/0xc0 [ 258.166440] ? __lock_acquire+0x7ec/0x4ec0 [ 258.170676] ? __lock_acquire+0x7ec/0x4ec0 [ 258.174919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.180460] ? should_fail+0x22d/0xd01 [ 258.184359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.189476] ? __lock_acquire+0x7ec/0x4ec0 [ 258.193727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.198849] ? __lock_acquire+0x7ec/0x4ec0 [ 258.203091] ? should_fail+0x22d/0xd01 [ 258.206990] ? print_usage_bug+0xc0/0xc0 [ 258.211077] ? mark_held_locks+0x130/0x130 [ 258.215320] ? mark_held_locks+0x130/0x130 [ 258.219568] ? graph_lock+0x170/0x170 [ 258.223379] ? print_usage_bug+0xc0/0xc0 [ 258.227465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.232229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.237770] ? check_preemption_disabled+0x48/0x200 [ 258.242816] ? check_preemption_disabled+0x48/0x200 [ 258.247846] ? __lock_is_held+0xb5/0x140 [ 258.251922] __alloc_pages_nodemask+0xa80/0xde0 [ 258.256689] ? graph_lock+0x170/0x170 [ 258.260502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.265518] ? graph_lock+0x170/0x170 [ 258.269330] ? find_held_lock+0x36/0x1c0 [ 258.273413] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.278084] ? lock_downgrade+0x900/0x900 [ 258.282242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.287786] cache_grow_begin+0x91/0x8c0 [ 258.291849] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.296270] fallback_alloc+0x203/0x2e0 [ 258.300252] ____cache_alloc_node+0x1c7/0x1e0 [ 258.304758] kmem_cache_alloc_node+0xe3/0x730 [ 258.309258] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.313785] __alloc_skb+0x119/0x770 [ 258.317505] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.322787] ? skb_scrub_packet+0x490/0x490 [ 258.327112] ? lock_downgrade+0x900/0x900 [ 258.331267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.336806] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.342262] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.347720] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.352146] ndisc_alloc_skb+0x144/0x340 [ 258.356216] ndisc_send_rs+0x331/0x6e0 [ 258.360117] addrconf_rs_timer+0x3c0/0x6f0 [ 258.364366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.368631] call_timer_fn+0x272/0x920 [ 258.372535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.376781] ? process_timeout+0x40/0x40 [ 258.380847] ? find_held_lock+0x36/0x1c0 [ 258.384926] ? mark_held_locks+0xc7/0x130 [ 258.389084] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.393595] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.398096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.402335] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.406924] ? trace_hardirqs_on+0xbd/0x310 [ 258.411250] ? kasan_check_read+0x11/0x20 [ 258.415410] ? __run_timers+0x7da/0xc70 [ 258.419396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.424860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.429110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.433369] __run_timers+0x7e5/0xc70 [ 258.437201] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.442567] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.448037] ? graph_lock+0x170/0x170 [ 258.451843] ? print_usage_bug+0xc0/0xc0 [ 258.455907] ? lock_release+0x970/0x970 [ 258.459892] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.465089] ? find_held_lock+0x36/0x1c0 [ 258.469156] ? graph_lock+0x170/0x170 [ 258.472963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.478504] ? check_preemption_disabled+0x48/0x200 [ 258.483531] ? __lock_is_held+0xb5/0x140 [ 258.487600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.493425] ? check_preemption_disabled+0x48/0x200 [ 258.498453] run_timer_softirq+0x52/0xb0 [ 258.502520] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.507542] __do_softirq+0x30b/0xad8 [ 258.511357] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.516477] ? pvclock_read_flags+0x160/0x160 [ 258.520973] ? lapic_next_event+0x5a/0x90 [ 258.525126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.530685] ? check_preemption_disabled+0x48/0x200 [ 258.535701] ? check_preemption_disabled+0x48/0x200 [ 258.540727] ? kvm_clock_read+0x18/0x30 [ 258.544706] ? kvm_sched_clock_read+0x9/0x20 [ 258.549128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.554683] ? check_preemption_disabled+0x48/0x200 [ 258.559718] irq_exit+0x17f/0x1c0 [ 258.563180] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.568025] ? smp_reschedule_interrupt+0x109/0x650 [ 258.573050] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.578935] ? interrupt_entry+0xb5/0xf0 [ 258.582998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.588016] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.593036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.597878] ? trace_hardirqs_off+0x300/0x300 [ 258.602383] ? trace_hardirqs_off+0x300/0x300 [ 258.606889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.612430] ? check_preemption_disabled+0x48/0x200 [ 258.617450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.622997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.627853] apic_timer_interrupt+0xf/0x20 [ 258.632087] [ 258.634323] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 258.639599] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 258.658505] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 258.666215] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 258.673482] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 258.680746] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 258.688011] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 258.695279] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 258.702575] ? arch_local_irq_restore+0x45/0x52 [ 258.707253] dump_stack+0x26a/0x2b4 [ 258.710897] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.716097] ? mark_held_locks+0x130/0x130 [ 258.720335] ? mark_held_locks+0x130/0x130 [ 258.724577] dump_header+0x27b/0xf72 [ 258.728307] ? pagefault_out_of_memory+0x197/0x197 [ 258.733246] ? mark_held_locks+0x130/0x130 [ 258.737484] ? __lock_acquire+0x7ec/0x4ec0 [ 258.741725] ? mem_cgroup_charge_statistics+0x780/0x780 [ 258.747088] ? print_usage_bug+0xc0/0xc0 [ 258.751154] ? print_usage_bug+0xc0/0xc0 [ 258.755227] ? graph_lock+0x170/0x170 [ 258.759025] ? graph_lock+0x170/0x170 [ 258.762830] ? print_usage_bug+0xc0/0xc0 [ 258.766898] ? print_usage_bug+0xc0/0xc0 [ 258.770970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.776514] ? find_held_lock+0x36/0x1c0 [ 258.780587] ? mark_held_locks+0xc7/0x130 [ 258.784738] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.789845] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.794951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.799540] ? trace_hardirqs_on+0xbd/0x310 [ 258.803866] ? kasan_check_read+0x11/0x20 [ 258.808023] ? ___ratelimit+0x36f/0x655 [ 258.811999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.817453] ? trace_hardirqs_on+0x310/0x310 [ 258.821866] ? lock_downgrade+0x900/0x900 [ 258.826032] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.831140] ? ___ratelimit+0xaa/0x655 [ 258.835036] ? idr_get_free+0xec0/0xec0 [ 258.839015] ? kasan_check_write+0x14/0x20 [ 258.843254] ? do_raw_spin_lock+0xc1/0x200 [ 258.847502] oom_kill_process.cold.27+0x10/0x903 [ 258.852260] ? graph_lock+0x170/0x170 [ 258.856064] ? _raw_spin_unlock+0x2c/0x50 [ 258.860212] ? oom_badness+0xe6/0xaa0 [ 258.864020] ? oom_evaluate_task+0x540/0x540 [ 258.868434] ? find_held_lock+0x36/0x1c0 [ 258.872505] ? out_of_memory+0x974/0x14c0 [ 258.876657] ? lock_downgrade+0x900/0x900 [ 258.880808] ? check_preemption_disabled+0x48/0x200 [ 258.885833] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.891631] ? kasan_check_read+0x11/0x20 [ 258.895784] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.901062] ? rcu_bh_qs+0xc0/0xc0 [ 258.904610] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.909627] ? oom_evaluate_task+0x302/0x540 [ 258.914043] out_of_memory+0xa86/0x14c0 [ 258.918028] ? oom_killer_disable+0x3a0/0x3a0 [ 258.922526] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 258.927470] ? __mutex_add_waiter+0x2a0/0x2a0 [ 258.931983] __alloc_pages_slowpath+0x2318/0x2d80 [ 258.936859] ? warn_alloc+0x120/0x120 [ 258.940680] ? find_get_entry+0x2f2/0xc40 [ 258.944843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.950390] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 258.955321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.960863] ? should_fail+0x22d/0xd01 [ 258.964762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.969870] ? __lock_is_held+0xb5/0x140 [ 258.973966] ? __lock_is_held+0xb5/0x140 [ 258.978041] ? find_held_lock+0x36/0x1c0 [ 258.982140] ? ___might_sleep+0x1ed/0x300 [ 258.986289] ? lock_release+0x970/0x970 [ 258.990266] ? arch_local_save_flags+0x40/0x40 [ 258.994865] ? __might_sleep+0x95/0x190 [ 258.998854] __alloc_pages_nodemask+0xa80/0xde0 [ 259.003540] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.008561] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.014452] ? kasan_check_read+0x11/0x20 [ 259.018603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.023897] ? graph_lock+0x170/0x170 [ 259.027702] ? print_usage_bug+0xc0/0xc0 [ 259.031770] ? graph_lock+0x170/0x170 [ 259.035568] ? graph_lock+0x170/0x170 [ 259.039382] ? __do_page_cache_readahead+0x7ce/0x980 [ 259.044496] ? find_held_lock+0x36/0x1c0 [ 259.048566] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.054114] alloc_pages_current+0x10c/0x210 [ 259.058522] ? lock_downgrade+0x900/0x900 [ 259.062678] __page_cache_alloc+0x38f/0x5b0 [ 259.067005] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.072853] ? kasan_check_read+0x11/0x20 [ 259.077007] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.082291] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 259.086961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.092502] ? check_preemption_disabled+0x48/0x200 [ 259.097575] filemap_fault+0x1594/0x25f0 [ 259.101657] ? __lock_page_or_retry+0xa00/0xa00 [ 259.106327] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.112127] ? kasan_check_read+0x11/0x20 [ 259.116281] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.121560] ? rcu_bh_qs+0xc0/0xc0 [ 259.125116] ? filemap_map_pages+0xdea/0x1980 [ 259.129636] ? find_get_pages_range_tag+0x1320/0x1320 [ 259.134829] ? do_raw_spin_lock+0xc1/0x200 [ 259.139066] ? graph_lock+0x170/0x170 [ 259.142871] ? futex_wait_setup+0x266/0x3e0 [ 259.147222] ? lock_acquire+0x1ed/0x520 [ 259.151200] ? ext4_filemap_fault+0x7a/0xad [ 259.155530] ? lock_release+0x970/0x970 [ 259.159506] ? arch_local_save_flags+0x40/0x40 [ 259.164097] ? futex_wait_setup+0x3e0/0x3e0 [ 259.168418] ? print_usage_bug+0xc0/0xc0 [ 259.172519] ? down_read+0xb0/0x1d0 [ 259.176151] ? ext4_filemap_fault+0x7a/0xad [ 259.180478] ? __down_interruptible+0x700/0x700 [ 259.185177] ? find_held_lock+0x36/0x1c0 [ 259.189246] ext4_filemap_fault+0x82/0xad [ 259.193408] __do_fault+0x100/0x6b0 [ 259.197041] ? lock_downgrade+0x900/0x900 [ 259.201192] ? print_bad_pte+0x6c0/0x6c0 [ 259.205257] ? do_futex+0x249/0x26d0 [ 259.208981] ? kasan_check_read+0x11/0x20 [ 259.213149] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.217575] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 259.222170] ? add_mm_counter_fast+0xd0/0xd0 [ 259.226592] __handle_mm_fault+0x3709/0x53e0 [ 259.231011] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 259.235859] ? __fpu__restore_sig+0x62f/0x1680 [ 259.240450] ? graph_lock+0x170/0x170 [ 259.244255] ? print_usage_bug+0xc0/0xc0 [ 259.248320] ? graph_lock+0x170/0x170 [ 259.252120] ? graph_lock+0x170/0x170 [ 259.255920] ? graph_lock+0x170/0x170 [ 259.259744] ? handle_mm_fault+0x42a/0xc70 [ 259.263983] ? lock_downgrade+0x900/0x900 [ 259.268134] ? check_preemption_disabled+0x48/0x200 [ 259.273158] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.278960] ? kasan_check_read+0x11/0x20 [ 259.283112] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.288402] ? rcu_bh_qs+0xc0/0xc0 [ 259.291945] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.297406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.302953] ? check_preemption_disabled+0x48/0x200 [ 259.307985] handle_mm_fault+0x54f/0xc70 [ 259.312054] ? __handle_mm_fault+0x53e0/0x53e0 [ 259.316644] ? find_vma+0x34/0x190 [ 259.320196] __do_page_fault+0x67d/0xed0 [ 259.324267] ? mm_fault_error+0x380/0x380 [ 259.328418] ? trace_hardirqs_off+0xb8/0x300 [ 259.332834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.338213] ? trace_hardirqs_on+0x310/0x310 [ 259.342634] do_page_fault+0xf2/0x7e0 [ 259.346438] ? vmalloc_sync_all+0x30/0x30 [ 259.350762] ? error_entry+0x70/0xd0 [ 259.354477] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.359496] ? trace_hardirqs_on_caller+0xc0/0x300 [ 259.364427] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.369362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.374218] ? trace_hardirqs_off+0x300/0x300 [ 259.378712] ? trace_hardirqs_off_caller+0x300/0x300 [ 259.383823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.389362] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.394398] ? page_fault+0x8/0x30 [ 259.397952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.402796] ? page_fault+0x8/0x30 [ 259.406341] page_fault+0x1e/0x30 [ 259.409803] RIP: 0033:0x407e06 [ 259.412997] Code: Bad RIP value. [ 259.416358] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 259.421757] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 259.429025] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 259.436294] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 259.443591] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 259.450857] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 259.458161] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 259.458166] warn_alloc_show_mem: 1 callbacks suppressed [ 259.458174] Mem-Info: [ 259.465362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.465370] Call Trace: [ 259.470765] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 259.470765] active_file:16 inactive_file:17 isolated_file:1 [ 259.470765] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.470765] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 259.470765] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 259.470765] free:13718 free_pcp:223 free_cma:0 [ 259.473139] [ 259.482506] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.485088] dump_stack+0x1c4/0x2b4 [ 259.517962] Node 0 [ 259.520117] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.547794] 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 [ 259.551419] warn_alloc.cold.118+0xb7/0x1bd [ 259.553614] lowmem_reserve[]: 0 [ 259.558811] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.584279] 2817 6321 [ 259.588614] ? lock_downgrade+0x900/0x900 [ 259.591855] 6321 [ 259.596701] ? trace_hardirqs_off+0xb8/0x300 [ 259.599170] Node 0 [ 259.603310] ? trace_hardirqs_off+0xb8/0x300 [ 259.605369] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 259.609751] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.611953] lowmem_reserve[]: 0 [ 259.616400] ? warn_alloc+0x120/0x120 [ 259.643056] 0 3503 [ 259.647909] ? trace_hardirqs_on+0x310/0x310 [ 259.651154] 3503 [ 259.654959] ? warn_alloc+0x120/0x120 [ 259.657170] Node 0 [ 259.661571] ? print_usage_bug+0xc0/0xc0 [ 259.663633] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 259.667415] ? warn_alloc+0x120/0x120 [ 259.669615] lowmem_reserve[]: 0 [ 259.673681] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.702020] 0 0 [ 259.705853] ? print_usage_bug+0xc0/0xc0 [ 259.709091] 0 [ 259.714111] ? __lock_acquire+0x7ec/0x4ec0 [ 259.716063] Node 0 [ 259.720118] ? __lock_acquire+0x7ec/0x4ec0 [ 259.721897] DMA: [ 259.726125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.728337] 1*4kB [ 259.732566] ? should_fail+0x22d/0xd01 [ 259.734601] (U) [ 259.740131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.742249] 0*8kB 0*16kB [ 259.746135] ? __lock_acquire+0x7ec/0x4ec0 [ 259.748087] 1*32kB [ 259.753199] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.755929] (U) [ 259.760156] ? __lock_acquire+0x7ec/0x4ec0 [ 259.762364] 2*64kB (U) [ 259.767478] ? should_fail+0x22d/0xd01 [ 259.769426] 1*128kB (U) [ 259.773660] ? print_usage_bug+0xc0/0xc0 [ 259.773684] ? mark_held_locks+0x130/0x130 [ 259.776230] 1*256kB (U) [ 259.780118] ? mark_held_locks+0x130/0x130 [ 259.782764] 0*512kB [ 259.786819] ? graph_lock+0x170/0x170 [ 259.791021] 1*1024kB [ 259.793682] ? print_usage_bug+0xc0/0xc0 [ 259.797890] (U) [ 259.800209] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.803977] 1*2048kB (M) [ 259.806402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.810430] 3*4096kB [ 259.812414] ? check_preemption_disabled+0x48/0x200 [ 259.817142] (M) [ 259.819897] ? check_preemption_disabled+0x48/0x200 [ 259.825413] = 15908kB [ 259.827823] ? __lock_is_held+0xb5/0x140 [ 259.832809] Node 0 [ 259.834780] __alloc_pages_nodemask+0xa80/0xde0 [ 259.839763] DMA32: 2*4kB [ 259.842177] ? graph_lock+0x170/0x170 [ 259.846214] (M) [ 259.848447] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.853091] 0*8kB [ 259.855839] ? graph_lock+0x170/0x170 [ 259.859614] 3*16kB [ 259.861591] ? find_held_lock+0x36/0x1c0 [ 259.866574] (M) [ 259.868741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.872521] 1*32kB [ 259.874758] ? lock_downgrade+0x900/0x900 [ 259.878792] (M) [ 259.880764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.885402] 2*64kB [ 259.887633] cache_grow_begin+0x91/0x8c0 [ 259.891750] (M) [ 259.893721] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.899224] 4*128kB (UM) [ 259.901471] fallback_alloc+0x203/0x2e0 [ 259.905504] 3*256kB [ 259.907509] ____cache_alloc_node+0x1c7/0x1e0 [ 259.911889] (UM) [ 259.914638] kmem_cache_alloc_node+0xe3/0x730 [ 259.918588] 4*512kB [ 259.920903] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.920927] __alloc_skb+0x119/0x770 [ 259.925397] (UM) [ 259.927459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.931919] 3*1024kB (M) [ 259.934247] ? skb_scrub_packet+0x490/0x490 [ 259.938454] 3*2048kB (UM) [ 259.942167] ? lock_downgrade+0x900/0x900 [ 259.944202] 3*4096kB (M) [ 259.949486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.952214] = 25048kB [ 259.956535] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.959359] Node 0 [ 259.963508] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.966232] Normal: 865*4kB [ 259.971773] ? addrconf_rs_timer+0x6f0/0x6f0 [ 259.974156] (UMEH) [ 259.979606] ndisc_alloc_skb+0x144/0x340 [ 259.981812] 401*8kB (UMEH) [ 259.987278] ndisc_send_rs+0x331/0x6e0 [ 259.990264] 165*16kB [ 259.994665] addrconf_rs_timer+0x3c0/0x6f0 [ 259.996870] (UMEH) [ 260.000927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.003825] 83*32kB (UMEH) [ 260.007725] call_timer_fn+0x272/0x920 [ 260.010092] 31*64kB (UMH) [ 260.014334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.016544] 0*128kB [ 260.020770] ? process_timeout+0x40/0x40 [ 260.023678] 0*256kB [ 260.027556] ? find_held_lock+0x36/0x1c0 [ 260.030383] 0*512kB [ 260.034618] ? __run_timers+0x7da/0xc70 [ 260.036912] 0*1024kB [ 260.040969] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.043267] 0*2048kB [ 260.047325] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.049621] 0*4096kB = 13948kB [ 260.053597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.055986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.060468] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.062856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.067336] ? trace_hardirqs_on+0xbd/0x310 [ 260.070501] 413 total pagecache pages [ 260.074732] ? kasan_check_read+0x11/0x20 [ 260.083548] 0 pages in swap cache [ 260.088115] ? __run_timers+0x7da/0xc70 [ 260.096658] Swap cache stats: add 0, delete 0, find 0/0 [ 260.096667] Free swap = 0kB [ 260.100981] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.104749] Total swap = 0kB [ 260.104757] 1965979 pages RAM [ 260.108901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.112328] 0 pages HighMem/MovableOnly [ 260.116295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.121630] 342744 pages reserved [ 260.124646] __run_timers+0x7e5/0xc70 [ 260.130069] 0 pages cma reserved [ 260.133091] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.136223] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.140402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.144441] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.148574] ? graph_lock+0x170/0x170 [ 260.152005] syz-fuzzer cpuset= [ 260.155795] ? enqueue_hrtimer+0x1a5/0x560 [ 260.159134] / [ 260.164488] ? lock_release+0x970/0x970 [ 260.170959] mems_allowed=0 [ 260.175965] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.211111] ? find_held_lock+0x36/0x1c0 [ 260.215187] ? graph_lock+0x170/0x170 [ 260.219005] ? pvclock_read_flags+0x160/0x160 [ 260.223503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.229046] ? check_preemption_disabled+0x48/0x200 [ 260.234077] ? __lock_is_held+0xb5/0x140 [ 260.238144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.243688] ? check_preemption_disabled+0x48/0x200 [ 260.248717] run_timer_softirq+0x52/0xb0 [ 260.252777] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.257801] __do_softirq+0x30b/0xad8 [ 260.261627] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.266738] ? pvclock_read_flags+0x160/0x160 [ 260.271234] ? lapic_next_event+0x5a/0x90 [ 260.275399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.280940] ? check_preemption_disabled+0x48/0x200 [ 260.285956] ? check_preemption_disabled+0x48/0x200 [ 260.290984] ? kvm_clock_read+0x18/0x30 [ 260.294961] ? kvm_sched_clock_read+0x9/0x20 [ 260.299370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.304927] ? check_preemption_disabled+0x48/0x200 [ 260.309961] irq_exit+0x17f/0x1c0 [ 260.313893] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.318741] ? smp_reschedule_interrupt+0x109/0x650 [ 260.323761] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.329645] ? interrupt_entry+0xb5/0xf0 [ 260.333713] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.338731] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.343753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.348599] ? trace_hardirqs_off+0x300/0x300 [ 260.353092] ? trace_hardirqs_off+0x300/0x300 [ 260.357587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.363128] ? check_preemption_disabled+0x48/0x200 [ 260.368144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.373692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.378546] apic_timer_interrupt+0xf/0x20 [ 260.382777] [ 260.385020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.389957] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 260.408879] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 260.416591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.423860] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 260.431128] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 260.438519] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.446002] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.453315] skb_clone+0x1bb/0x500 [ 260.456861] ? finish_task_switch+0x1b5/0x900 [ 260.461392] ? skb_split+0x11e0/0x11e0 [ 260.465284] ? preempt_notifier_register+0x200/0x200 [ 260.470402] ? __switch_to_asm+0x34/0x70 [ 260.474472] ? __switch_to_asm+0x34/0x70 [ 260.478534] ? __switch_to_asm+0x40/0x70 [ 260.482591] ? __switch_to_asm+0x34/0x70 [ 260.486649] ? __switch_to_asm+0x40/0x70 [ 260.490713] ? __switch_to_asm+0x34/0x70 [ 260.494772] ? __switch_to_asm+0x40/0x70 [ 260.498829] ? __switch_to_asm+0x34/0x70 [ 260.502889] ? __switch_to_asm+0x34/0x70 [ 260.506950] ? __switch_to_asm+0x40/0x70 [ 260.511009] ? __switch_to_asm+0x34/0x70 [ 260.515086] bpf_clone_redirect+0xb9/0x490 [ 260.519326] ? __schedule+0x874/0x1ed0 [ 260.523223] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 260.528246] ? __sched_text_start+0x8/0x8 [ 260.532409] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.537182] ? find_held_lock+0x36/0x1c0 [ 260.541250] ? lock_acquire+0x1ed/0x520 [ 260.545227] ? bpf_test_run+0x32e/0x5a0 [ 260.549203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.554747] ? check_preemption_disabled+0x48/0x200 [ 260.559774] ? kasan_check_read+0x11/0x20 [ 260.563928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.569205] ? rcu_bh_qs+0xc0/0xc0 [ 260.572748] ? preempt_schedule+0x4d/0x60 [ 260.576898] ? ___preempt_schedule+0x16/0x18 [ 260.581320] ? bpf_test_run+0x1c0/0x5a0 [ 260.585305] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.589721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.595258] ? bpf_test_init.isra.9+0x70/0x100 [ 260.599849] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.604612] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.609454] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.614987] ? fput+0x130/0x1a0 [ 260.618272] ? __bpf_prog_get+0x9b/0x290 [ 260.622340] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.627189] ? bpf_prog_test_run+0x130/0x1a0 [ 260.631605] ? __x64_sys_bpf+0x3d8/0x510 [ 260.635665] ? bpf_prog_get+0x20/0x20 [ 260.639474] ? ksys_ioctl+0x81/0xd0 [ 260.643111] ? do_syscall_64+0x1b9/0x820 [ 260.647175] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.652540] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.657514] ? trace_hardirqs_off+0x300/0x300 [ 260.662014] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.667029] ? recalc_sigpending_tsk+0x180/0x180 [ 260.671791] ? kasan_check_write+0x14/0x20 [ 260.676038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.680894] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.686285] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 260.686398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.693215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.693227] Call Trace: [ 260.699833] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.709060] [ 260.711633] syz-executor0 cpuset= [ 260.722118] dump_stack+0x1c4/0x2b4 [ 260.724239] syz0 [ 260.727697] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.731305] mems_allowed=0 [ 260.733280] warn_alloc.cold.118+0xb7/0x1bd [ 260.745718] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.751054] ? lock_downgrade+0x900/0x900 [ 260.755221] ? trace_hardirqs_off+0xb8/0x300 [ 260.759639] ? trace_hardirqs_off+0xb8/0x300 [ 260.764063] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.768947] ? warn_alloc+0x120/0x120 [ 260.772756] ? trace_hardirqs_on+0x310/0x310 [ 260.777169] ? warn_alloc+0x120/0x120 [ 260.780977] ? print_usage_bug+0xc0/0xc0 [ 260.785045] ? warn_alloc+0x120/0x120 [ 260.788848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.793866] ? print_usage_bug+0xc0/0xc0 [ 260.797940] ? __lock_acquire+0x7ec/0x4ec0 [ 260.802178] ? __lock_acquire+0x7ec/0x4ec0 [ 260.806420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.811962] ? should_fail+0x22d/0xd01 [ 260.815858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.820966] ? __lock_acquire+0x7ec/0x4ec0 [ 260.825208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.830316] ? __lock_acquire+0x7ec/0x4ec0 [ 260.834555] ? should_fail+0x22d/0xd01 [ 260.838451] ? print_usage_bug+0xc0/0xc0 [ 260.842532] ? mark_held_locks+0x130/0x130 [ 260.846777] ? mark_held_locks+0x130/0x130 [ 260.851027] ? graph_lock+0x170/0x170 [ 260.854834] ? print_usage_bug+0xc0/0xc0 [ 260.858906] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.863671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.869218] ? check_preemption_disabled+0x48/0x200 [ 260.874255] ? check_preemption_disabled+0x48/0x200 [ 260.879300] ? __lock_is_held+0xb5/0x140 [ 260.883388] __alloc_pages_nodemask+0xa80/0xde0 [ 260.888063] ? graph_lock+0x170/0x170 [ 260.891868] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.896892] ? graph_lock+0x170/0x170 [ 260.900709] ? find_held_lock+0x36/0x1c0 [ 260.904784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.909461] ? lock_downgrade+0x900/0x900 [ 260.913621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.919168] cache_grow_begin+0x91/0x8c0 [ 260.923232] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.927652] fallback_alloc+0x203/0x2e0 [ 260.931637] ____cache_alloc_node+0x1c7/0x1e0 [ 260.936141] kmem_cache_alloc_node+0xe3/0x730 [ 260.940640] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.944893] __alloc_skb+0x119/0x770 [ 260.948614] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.953900] ? skb_scrub_packet+0x490/0x490 [ 260.958222] ? lock_downgrade+0x900/0x900 [ 260.962388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.967932] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.973397] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.978856] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.983287] ndisc_alloc_skb+0x144/0x340 [ 260.987357] ndisc_send_rs+0x331/0x6e0 [ 260.991260] addrconf_rs_timer+0x3c0/0x6f0 [ 260.995507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.999762] call_timer_fn+0x272/0x920 [ 261.003655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.007900] ? process_timeout+0x40/0x40 [ 261.011964] ? find_held_lock+0x36/0x1c0 [ 261.016038] ? mark_held_locks+0xc7/0x130 [ 261.020190] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.024683] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.029178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.033419] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.038007] ? trace_hardirqs_on+0xbd/0x310 [ 261.042335] ? kasan_check_read+0x11/0x20 [ 261.046484] ? __run_timers+0x7da/0xc70 [ 261.050464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.055928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.060171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.064414] __run_timers+0x7e5/0xc70 [ 261.068228] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.073595] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.078615] ? graph_lock+0x170/0x170 [ 261.082421] ? print_usage_bug+0xc0/0xc0 [ 261.086479] ? lock_release+0x970/0x970 [ 261.090452] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.095647] ? find_held_lock+0x36/0x1c0 [ 261.099713] ? graph_lock+0x170/0x170 [ 261.103522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.109062] ? check_preemption_disabled+0x48/0x200 [ 261.114093] ? __lock_is_held+0xb5/0x140 [ 261.118157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.123697] ? check_preemption_disabled+0x48/0x200 [ 261.128725] run_timer_softirq+0x52/0xb0 [ 261.132787] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.137807] __do_softirq+0x30b/0xad8 [ 261.141622] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.146735] ? pvclock_read_flags+0x160/0x160 [ 261.151232] ? lapic_next_event+0x5a/0x90 [ 261.155401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.160943] ? check_preemption_disabled+0x48/0x200 [ 261.165960] ? check_preemption_disabled+0x48/0x200 [ 261.170982] ? kvm_clock_read+0x18/0x30 [ 261.174966] ? kvm_sched_clock_read+0x9/0x20 [ 261.179388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.184935] ? check_preemption_disabled+0x48/0x200 [ 261.189971] irq_exit+0x17f/0x1c0 [ 261.193432] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.198381] ? smp_reschedule_interrupt+0x109/0x650 [ 261.203413] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.209301] ? interrupt_entry+0xb5/0xf0 [ 261.213364] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.218395] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.223415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.228257] ? trace_hardirqs_off+0x300/0x300 [ 261.232752] ? trace_hardirqs_off+0x300/0x300 [ 261.237248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.242787] ? check_preemption_disabled+0x48/0x200 [ 261.247802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.253352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.258216] apic_timer_interrupt+0xf/0x20 [ 261.262443] [ 261.264682] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 261.269963] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 261.288868] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 261.296589] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 261.303855] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 261.311130] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 261.318409] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 261.325675] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 261.332966] ? arch_local_irq_restore+0x45/0x52 [ 261.337647] dump_stack+0x26a/0x2b4 [ 261.341276] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.346475] ? mark_held_locks+0x130/0x130 [ 261.350711] ? mark_held_locks+0x130/0x130 [ 261.354953] dump_header+0x27b/0xf72 [ 261.358685] ? pagefault_out_of_memory+0x197/0x197 [ 261.363624] ? mark_held_locks+0x130/0x130 [ 261.367858] ? __lock_acquire+0x7ec/0x4ec0 [ 261.372102] ? mem_cgroup_charge_statistics+0x780/0x780 [ 261.377472] ? print_usage_bug+0xc0/0xc0 [ 261.381538] ? print_usage_bug+0xc0/0xc0 [ 261.385609] ? graph_lock+0x170/0x170 [ 261.389414] ? graph_lock+0x170/0x170 [ 261.393217] ? print_usage_bug+0xc0/0xc0 [ 261.397281] ? print_usage_bug+0xc0/0xc0 [ 261.401355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.406911] ? find_held_lock+0x36/0x1c0 [ 261.410982] ? mark_held_locks+0xc7/0x130 [ 261.415133] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.420242] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.425348] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.429945] ? trace_hardirqs_on+0xbd/0x310 [ 261.434272] ? kasan_check_read+0x11/0x20 [ 261.438424] ? ___ratelimit+0x36f/0x655 [ 261.442411] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.447864] ? trace_hardirqs_on+0x310/0x310 [ 261.452275] ? lock_downgrade+0x900/0x900 [ 261.456431] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.461541] ? ___ratelimit+0xaa/0x655 [ 261.465437] ? idr_get_free+0xec0/0xec0 [ 261.469421] ? kasan_check_write+0x14/0x20 [ 261.473658] ? do_raw_spin_lock+0xc1/0x200 [ 261.477911] oom_kill_process.cold.27+0x10/0x903 [ 261.482674] ? graph_lock+0x170/0x170 [ 261.486474] ? _raw_spin_unlock+0x2c/0x50 [ 261.490622] ? oom_badness+0xe6/0xaa0 [ 261.494432] ? oom_evaluate_task+0x540/0x540 [ 261.498847] ? find_held_lock+0x36/0x1c0 [ 261.502917] ? out_of_memory+0x974/0x14c0 [ 261.507068] ? lock_downgrade+0x900/0x900 [ 261.511217] ? check_preemption_disabled+0x48/0x200 [ 261.516243] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.522057] ? kasan_check_read+0x11/0x20 [ 261.526206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.531493] ? rcu_bh_qs+0xc0/0xc0 [ 261.535039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.540053] ? oom_evaluate_task+0x302/0x540 [ 261.544476] out_of_memory+0xa86/0x14c0 [ 261.548464] ? oom_killer_disable+0x3a0/0x3a0 [ 261.552962] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 261.557903] ? __mutex_add_waiter+0x2a0/0x2a0 [ 261.562422] __alloc_pages_slowpath+0x2318/0x2d80 [ 261.567298] ? warn_alloc+0x120/0x120 [ 261.571116] ? find_get_entry+0x2f2/0xc40 [ 261.575274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.580817] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 261.585744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.591284] ? should_fail+0x22d/0xd01 [ 261.595179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.600285] ? __lock_is_held+0xb5/0x140 [ 261.604372] ? __lock_is_held+0xb5/0x140 [ 261.608451] ? find_held_lock+0x36/0x1c0 [ 261.612517] ? ___might_sleep+0x1ed/0x300 [ 261.616664] ? lock_release+0x970/0x970 [ 261.620638] ? arch_local_save_flags+0x40/0x40 [ 261.625236] ? __might_sleep+0x95/0x190 [ 261.629218] __alloc_pages_nodemask+0xa80/0xde0 [ 261.633905] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.638938] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.644740] ? kasan_check_read+0x11/0x20 [ 261.648897] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.654180] ? graph_lock+0x170/0x170 [ 261.657984] ? print_usage_bug+0xc0/0xc0 [ 261.662049] ? graph_lock+0x170/0x170 [ 261.665849] ? graph_lock+0x170/0x170 [ 261.669654] ? __do_page_cache_readahead+0x7ce/0x980 [ 261.674766] ? find_held_lock+0x36/0x1c0 [ 261.678844] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 261.684392] alloc_pages_current+0x10c/0x210 [ 261.688825] ? lock_downgrade+0x900/0x900 [ 261.692978] __page_cache_alloc+0x38f/0x5b0 [ 261.697306] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.703108] ? kasan_check_read+0x11/0x20 [ 261.707288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.712576] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 261.717246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.722788] ? check_preemption_disabled+0x48/0x200 [ 261.727821] filemap_fault+0x1594/0x25f0 [ 261.731935] ? __lock_page_or_retry+0xa00/0xa00 [ 261.736623] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.742424] ? kasan_check_read+0x11/0x20 [ 261.746586] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.751964] ? rcu_bh_qs+0xc0/0xc0 [ 261.755525] ? filemap_map_pages+0xdea/0x1980 [ 261.760044] ? find_get_pages_range_tag+0x1320/0x1320 [ 261.765239] ? do_raw_spin_lock+0xc1/0x200 [ 261.769481] ? graph_lock+0x170/0x170 [ 261.773291] ? futex_wait_setup+0x266/0x3e0 [ 261.777638] ? lock_acquire+0x1ed/0x520 [ 261.781618] ? ext4_filemap_fault+0x7a/0xad [ 261.785953] ? lock_release+0x970/0x970 [ 261.789927] ? arch_local_save_flags+0x40/0x40 [ 261.794514] ? futex_wait_setup+0x3e0/0x3e0 [ 261.798837] ? print_usage_bug+0xc0/0xc0 [ 261.802922] ? down_read+0xb0/0x1d0 [ 261.806558] ? ext4_filemap_fault+0x7a/0xad [ 261.810897] ? __down_interruptible+0x700/0x700 [ 261.815594] ? find_held_lock+0x36/0x1c0 [ 261.819667] ext4_filemap_fault+0x82/0xad [ 261.823822] __do_fault+0x100/0x6b0 [ 261.827453] ? lock_downgrade+0x900/0x900 [ 261.831607] ? print_bad_pte+0x6c0/0x6c0 [ 261.835672] ? do_futex+0x249/0x26d0 [ 261.839402] ? kasan_check_read+0x11/0x20 [ 261.843556] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.847971] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 261.852557] ? add_mm_counter_fast+0xd0/0xd0 [ 261.856980] __handle_mm_fault+0x3709/0x53e0 [ 261.861410] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 261.866256] ? __fpu__restore_sig+0x62f/0x1680 [ 261.870838] ? graph_lock+0x170/0x170 [ 261.874639] ? print_usage_bug+0xc0/0xc0 [ 261.878703] ? graph_lock+0x170/0x170 [ 261.882503] ? graph_lock+0x170/0x170 [ 261.886306] ? graph_lock+0x170/0x170 [ 261.890128] ? handle_mm_fault+0x42a/0xc70 [ 261.894370] ? lock_downgrade+0x900/0x900 [ 261.898534] ? check_preemption_disabled+0x48/0x200 [ 261.903569] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.909384] ? kasan_check_read+0x11/0x20 [ 261.913546] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.918829] ? rcu_bh_qs+0xc0/0xc0 [ 261.922383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.927842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.933390] ? check_preemption_disabled+0x48/0x200 [ 261.938425] handle_mm_fault+0x54f/0xc70 [ 261.942495] ? __handle_mm_fault+0x53e0/0x53e0 [ 261.947086] ? find_vma+0x34/0x190 [ 261.950636] __do_page_fault+0x67d/0xed0 [ 261.954709] ? mm_fault_error+0x380/0x380 [ 261.958855] ? trace_hardirqs_off+0xb8/0x300 [ 261.963273] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.968637] ? trace_hardirqs_on+0x310/0x310 [ 261.973055] do_page_fault+0xf2/0x7e0 [ 261.976857] ? vmalloc_sync_all+0x30/0x30 [ 261.981015] ? error_entry+0x70/0xd0 [ 261.984735] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.989748] ? trace_hardirqs_on_caller+0xc0/0x300 [ 261.994682] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.999613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.004455] ? trace_hardirqs_off+0x300/0x300 [ 262.008951] ? trace_hardirqs_off_caller+0x300/0x300 [ 262.014059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.019598] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.024618] ? page_fault+0x8/0x30 [ 262.028164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.033011] ? page_fault+0x8/0x30 [ 262.036556] page_fault+0x1e/0x30 [ 262.040006] RIP: 0033:0x407e06 [ 262.043200] Code: Bad RIP value. [ 262.046562] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 262.051926] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 262.059195] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 262.066465] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 262.073730] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 262.080999] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 262.088290] warn_alloc_show_mem: 1 callbacks suppressed [ 262.088302] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 262.088304] Mem-Info: [ 262.088334] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 262.088334] active_file:16 inactive_file:17 isolated_file:1 [ 262.088334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.088334] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 262.088334] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 262.088334] free:13718 free_pcp:223 free_cma:0 [ 262.093672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.093680] Call Trace: [ 262.100881] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.103266] [ 262.136127] Node 0 [ 262.145481] dump_stack+0x1c4/0x2b4 [ 262.148064] 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 [ 262.175707] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.177820] lowmem_reserve[]: 0 [ 262.180077] warn_alloc.cold.118+0xb7/0x1bd [ 262.183660] 2817 6321 [ 262.209173] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.214337] 6321 [ 262.217612] ? lock_downgrade+0x900/0x900 [ 262.224413] ? trace_hardirqs_off+0xb8/0x300 [ 262.229223] Node 0 [ 262.231282] ? trace_hardirqs_off+0xb8/0x300 [ 262.235428] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.239813] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.242011] lowmem_reserve[]: 0 [ 262.246449] ? warn_alloc+0x120/0x120 [ 262.273118] 0 [ 262.277969] ? trace_hardirqs_on+0x310/0x310 [ 262.281212] 3503 3503 [ 262.285013] ? warn_alloc+0x120/0x120 [ 262.291191] ? print_usage_bug+0xc0/0xc0 [ 262.293660] Node 0 [ 262.297454] ? warn_alloc+0x120/0x120 [ 262.301512] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 262.303720] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 262.307520] lowmem_reserve[]: 0 [ 262.336365] ? print_usage_bug+0xc0/0xc0 [ 262.341364] 0 0 [ 262.344661] ? __lock_acquire+0x7ec/0x4ec0 [ 262.348690] 0 [ 262.350667] ? __lock_acquire+0x7ec/0x4ec0 [ 262.354878] Node 0 [ 262.356678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.360882] DMA: [ 262.363116] ? should_fail+0x22d/0xd01 [ 262.368624] 1*4kB [ 262.370680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.374537] (U) [ 262.376678] ? __lock_acquire+0x7ec/0x4ec0 [ 262.381748] 0*8kB 0*16kB [ 262.383726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.387929] 1*32kB (U) [ 262.390687] ? __lock_acquire+0x7ec/0x4ec0 [ 262.395762] 2*64kB [ 262.398337] ? should_fail+0x22d/0xd01 [ 262.402536] (U) 1*128kB [ 262.404773] ? print_usage_bug+0xc0/0xc0 [ 262.408637] (U) [ 262.411305] ? mark_held_locks+0x130/0x130 [ 262.415339] 1*256kB [ 262.417306] ? mark_held_locks+0x130/0x130 [ 262.421512] (U) [ 262.423830] ? graph_lock+0x170/0x170 [ 262.428038] 0*512kB [ 262.430007] ? print_usage_bug+0xc0/0xc0 [ 262.433783] 1*1024kB [ 262.436103] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.440127] (U) 1*2048kB [ 262.442543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.447526] (M) [ 262.450287] ? check_preemption_disabled+0x48/0x200 [ 262.455787] 3*4096kB (M) [ 262.457771] ? check_preemption_disabled+0x48/0x200 [ 262.462751] = 15908kB [ 262.462759] Node 0 [ 262.465516] ? __lock_is_held+0xb5/0x140 [ 262.470493] DMA32: 2*4kB [ 262.472911] __alloc_pages_nodemask+0xa80/0xde0 [ 262.475118] (M) 0*8kB [ 262.479178] ? graph_lock+0x170/0x170 [ 262.481911] 3*16kB [ 262.486570] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.489039] (M) [ 262.492830] ? graph_lock+0x170/0x170 [ 262.495038] 1*32kB (M) [ 262.500065] ? find_held_lock+0x36/0x1c0 [ 262.502003] 2*64kB (M) [ 262.505810] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.508361] 4*128kB [ 262.512428] ? lock_downgrade+0x900/0x900 [ 262.514986] (UM) [ 262.519649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.521941] 3*256kB [ 262.526081] cache_grow_begin+0x91/0x8c0 [ 262.528117] (UM) [ 262.533645] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.535934] 4*512kB (UM) [ 262.540001] fallback_alloc+0x203/0x2e0 [ 262.542034] 3*1024kB [ 262.546440] ____cache_alloc_node+0x1c7/0x1e0 [ 262.549160] (M) 3*2048kB [ 262.553144] kmem_cache_alloc_node+0xe3/0x730 [ 262.555526] (UM) [ 262.560027] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.562753] 3*4096kB (M) [ 262.567254] __alloc_skb+0x119/0x770 [ 262.569285] = 25048kB [ 262.573517] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.576247] Node 0 [ 262.579951] ? skb_scrub_packet+0x490/0x490 [ 262.582330] Normal: 865*4kB [ 262.587608] ? lock_downgrade+0x900/0x900 [ 262.589815] (UMEH) 401*8kB [ 262.594145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.597132] (UMEH) [ 262.601273] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.604170] 165*16kB (UMEH) [ 262.609707] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.611912] 83*32kB (UMEH) [ 262.617367] ? addrconf_rs_timer+0x6f0/0x6f0 [ 262.620362] 31*64kB (UMH) [ 262.625834] ndisc_alloc_skb+0x144/0x340 [ 262.628728] 0*128kB 0*256kB [ 262.633143] ndisc_send_rs+0x331/0x6e0 [ 262.635955] 0*512kB 0*1024kB [ 262.640027] addrconf_rs_timer+0x3c0/0x6f0 [ 262.643015] 0*2048kB 0*4096kB [ 262.646918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.649992] = 13948kB [ 262.650006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.654241] call_timer_fn+0x272/0x920 [ 262.657407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.661628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.664013] 413 total pagecache pages [ 262.672839] ? process_timeout+0x40/0x40 [ 262.676705] 0 pages in swap cache [ 262.685271] ? find_held_lock+0x36/0x1c0 [ 262.689474] Swap cache stats: add 0, delete 0, find 0/0 [ 262.689483] Free swap = 0kB [ 262.693278] ? __run_timers+0x7da/0xc70 [ 262.697307] Total swap = 0kB [ 262.700755] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.704788] 1965979 pages RAM [ 262.710139] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.713130] 0 pages HighMem/MovableOnly [ 262.713139] 342744 pages reserved [ 262.717115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.720099] 0 pages cma reserved [ 262.720173] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.724603] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.724620] ? trace_hardirqs_on+0xbd/0x310 [ 262.724639] ? kasan_check_read+0x11/0x20 [ 262.727851] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.732212] ? __run_timers+0x7da/0xc70 [ 262.736163] syz-fuzzer cpuset= [ 262.739610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.743816] / [ 262.747180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.753645] mems_allowed=0 [ 262.758221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.802620] __run_timers+0x7e5/0xc70 [ 262.806443] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.811811] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.816833] ? graph_lock+0x170/0x170 [ 262.820645] ? enqueue_hrtimer+0x1a5/0x560 [ 262.824883] ? lock_release+0x970/0x970 [ 262.828864] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.834065] ? find_held_lock+0x36/0x1c0 [ 262.838130] ? graph_lock+0x170/0x170 [ 262.841934] ? pvclock_read_flags+0x160/0x160 [ 262.846431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.851975] ? check_preemption_disabled+0x48/0x200 [ 262.857026] ? __lock_is_held+0xb5/0x140 [ 262.861109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.866649] ? check_preemption_disabled+0x48/0x200 [ 262.871675] run_timer_softirq+0x52/0xb0 [ 262.875735] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.880752] __do_softirq+0x30b/0xad8 [ 262.884570] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.889684] ? pvclock_read_flags+0x160/0x160 [ 262.894180] ? lapic_next_event+0x5a/0x90 [ 262.898331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.903872] ? check_preemption_disabled+0x48/0x200 [ 262.908893] ? check_preemption_disabled+0x48/0x200 [ 262.913920] ? kvm_clock_read+0x18/0x30 [ 262.917894] ? kvm_sched_clock_read+0x9/0x20 [ 262.922308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.927847] ? check_preemption_disabled+0x48/0x200 [ 262.932880] irq_exit+0x17f/0x1c0 [ 262.936334] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.941179] ? smp_reschedule_interrupt+0x109/0x650 [ 262.946203] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.952091] ? interrupt_entry+0xb5/0xf0 [ 262.956155] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.961172] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.966192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.971037] ? trace_hardirqs_off+0x300/0x300 [ 262.975530] ? trace_hardirqs_off+0x300/0x300 [ 262.980027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.985577] ? check_preemption_disabled+0x48/0x200 [ 262.990593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.996142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.000996] apic_timer_interrupt+0xf/0x20 [ 263.005226] [ 263.007465] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 263.012408] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 263.031308] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 263.039021] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 263.046288] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 263.053564] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 263.060827] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 263.068095] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 263.075417] skb_clone+0x1bb/0x500 [ 263.078960] ? finish_task_switch+0x1b5/0x900 [ 263.083458] ? skb_split+0x11e0/0x11e0 [ 263.087345] ? preempt_notifier_register+0x200/0x200 [ 263.092459] ? __switch_to_asm+0x34/0x70 [ 263.096518] ? __switch_to_asm+0x34/0x70 [ 263.100580] ? __switch_to_asm+0x40/0x70 [ 263.104637] ? __switch_to_asm+0x34/0x70 [ 263.108694] ? __switch_to_asm+0x40/0x70 [ 263.112753] ? __switch_to_asm+0x34/0x70 [ 263.116813] ? __switch_to_asm+0x40/0x70 [ 263.120872] ? __switch_to_asm+0x34/0x70 [ 263.124934] ? __switch_to_asm+0x34/0x70 [ 263.129006] ? __switch_to_asm+0x40/0x70 [ 263.133068] ? __switch_to_asm+0x34/0x70 [ 263.137141] bpf_clone_redirect+0xb9/0x490 [ 263.141396] ? __schedule+0x874/0x1ed0 [ 263.145294] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 263.150316] ? __sched_text_start+0x8/0x8 [ 263.154465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.159245] ? find_held_lock+0x36/0x1c0 [ 263.163317] ? lock_acquire+0x1ed/0x520 [ 263.167295] ? bpf_test_run+0x32e/0x5a0 [ 263.171275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.176815] ? check_preemption_disabled+0x48/0x200 [ 263.181837] ? kasan_check_read+0x11/0x20 [ 263.185987] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.191267] ? rcu_bh_qs+0xc0/0xc0 [ 263.194814] ? preempt_schedule+0x4d/0x60 [ 263.198996] ? ___preempt_schedule+0x16/0x18 [ 263.203426] ? bpf_test_run+0x1c0/0x5a0 [ 263.207422] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.211836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.217385] ? bpf_test_init.isra.9+0x70/0x100 [ 263.221984] ? bpf_prog_test_run_skb+0x634/0xb40 [ 263.226759] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.231600] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.237139] ? fput+0x130/0x1a0 [ 263.240426] ? __bpf_prog_get+0x9b/0x290 [ 263.244491] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.249339] ? bpf_prog_test_run+0x130/0x1a0 [ 263.253760] ? __x64_sys_bpf+0x3d8/0x510 [ 263.257828] ? bpf_prog_get+0x20/0x20 [ 263.261643] ? ksys_ioctl+0x81/0xd0 [ 263.265288] ? do_syscall_64+0x1b9/0x820 [ 263.269351] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.274732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.279663] ? trace_hardirqs_off+0x300/0x300 [ 263.284159] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.289177] ? recalc_sigpending_tsk+0x180/0x180 [ 263.293934] ? kasan_check_write+0x14/0x20 [ 263.298177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.303027] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.308420] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 263.308491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.315347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.315353] Call Trace: [ 263.315359] [ 263.315384] dump_stack+0x1c4/0x2b4 [ 263.315413] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.315439] warn_alloc.cold.118+0xb7/0x1bd [ 263.321961] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.331252] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.333810] syz-executor0 cpuset= [ 263.335955] ? lock_downgrade+0x900/0x900 [ 263.339553] syz0 [ 263.344736] ? trace_hardirqs_off+0xb8/0x300 [ 263.349033] mems_allowed=0 [ 263.359510] ? trace_hardirqs_off+0xb8/0x300 [ 263.385591] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.390473] ? warn_alloc+0x120/0x120 [ 263.394279] ? warn_alloc+0x120/0x120 [ 263.398086] ? print_usage_bug+0xc0/0xc0 [ 263.402179] ? warn_alloc+0x120/0x120 [ 263.405984] ? print_usage_bug+0xc0/0xc0 [ 263.410047] ? __lock_acquire+0x7ec/0x4ec0 [ 263.414285] ? __lock_acquire+0x7ec/0x4ec0 [ 263.418526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.424067] ? should_fail+0x22d/0xd01 [ 263.427956] ? __lock_acquire+0x7ec/0x4ec0 [ 263.432195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.437303] ? __lock_acquire+0x7ec/0x4ec0 [ 263.441548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.446649] ? __lock_acquire+0x7ec/0x4ec0 [ 263.450892] ? should_fail+0x22d/0xd01 [ 263.454796] ? mark_held_locks+0x130/0x130 [ 263.459038] ? mark_held_locks+0x130/0x130 [ 263.463291] ? try_to_wake_up+0x10a/0x12f0 [ 263.467526] ? graph_lock+0x170/0x170 [ 263.471328] ? print_usage_bug+0xc0/0xc0 [ 263.475400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.480944] ? check_preemption_disabled+0x48/0x200 [ 263.485962] ? check_preemption_disabled+0x48/0x200 [ 263.490992] ? __lock_is_held+0xb5/0x140 [ 263.495060] __alloc_pages_nodemask+0xa80/0xde0 [ 263.499732] ? graph_lock+0x170/0x170 [ 263.503541] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.508554] ? graph_lock+0x170/0x170 [ 263.512366] ? find_held_lock+0x36/0x1c0 [ 263.516451] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.521120] ? lock_downgrade+0x900/0x900 [ 263.525275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.530822] cache_grow_begin+0x91/0x8c0 [ 263.534894] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.539316] fallback_alloc+0x203/0x2e0 [ 263.543302] ____cache_alloc_node+0x1c7/0x1e0 [ 263.547897] kmem_cache_alloc_node+0xe3/0x730 [ 263.552404] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.556652] __alloc_skb+0x119/0x770 [ 263.560368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.565663] ? skb_scrub_packet+0x490/0x490 [ 263.569984] ? lock_downgrade+0x900/0x900 [ 263.574139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.579677] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.585131] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.590586] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.595013] ndisc_alloc_skb+0x144/0x340 [ 263.599081] ndisc_send_rs+0x331/0x6e0 [ 263.602978] addrconf_rs_timer+0x3c0/0x6f0 [ 263.607221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.611474] call_timer_fn+0x272/0x920 [ 263.615368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.619614] ? process_timeout+0x40/0x40 [ 263.623673] ? find_held_lock+0x36/0x1c0 [ 263.627743] ? mark_held_locks+0xc7/0x130 [ 263.631899] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.636400] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.640903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.645141] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.649729] ? trace_hardirqs_on+0xbd/0x310 [ 263.654051] ? kasan_check_read+0x11/0x20 [ 263.658199] ? __run_timers+0x7da/0xc70 [ 263.662202] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.667669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.671909] __run_timers+0x7e5/0xc70 [ 263.675725] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.681096] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.686113] ? graph_lock+0x170/0x170 [ 263.689926] ? print_usage_bug+0xc0/0xc0 [ 263.693986] ? lock_release+0x970/0x970 [ 263.697963] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.703165] ? find_held_lock+0x36/0x1c0 [ 263.707236] ? graph_lock+0x170/0x170 [ 263.711043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.716585] ? check_preemption_disabled+0x48/0x200 [ 263.721616] ? __lock_is_held+0xb5/0x140 [ 263.725682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.731225] ? check_preemption_disabled+0x48/0x200 [ 263.736251] run_timer_softirq+0x52/0xb0 [ 263.740318] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.745336] __do_softirq+0x30b/0xad8 [ 263.749152] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.754262] ? pvclock_read_flags+0x160/0x160 [ 263.758756] ? lapic_next_event+0x5a/0x90 [ 263.762910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.768451] ? check_preemption_disabled+0x48/0x200 [ 263.773466] ? check_preemption_disabled+0x48/0x200 [ 263.778488] ? kvm_clock_read+0x18/0x30 [ 263.782465] ? kvm_sched_clock_read+0x9/0x20 [ 263.786877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.792426] ? check_preemption_disabled+0x48/0x200 [ 263.797457] irq_exit+0x17f/0x1c0 [ 263.800921] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.805762] ? smp_reschedule_interrupt+0x109/0x650 [ 263.810783] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.816670] ? interrupt_entry+0xb5/0xf0 [ 263.820733] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.825750] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.830765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.835608] ? trace_hardirqs_off+0x300/0x300 [ 263.840101] ? trace_hardirqs_off+0x300/0x300 [ 263.844606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.850159] ? check_preemption_disabled+0x48/0x200 [ 263.855174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.860723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.865579] apic_timer_interrupt+0xf/0x20 [ 263.869809] [ 263.872047] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 263.877323] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 263.896401] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 263.904112] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 263.911388] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 263.918655] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 263.925921] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 263.933183] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 263.940470] ? arch_local_irq_restore+0x45/0x52 [ 263.945150] dump_stack+0x26a/0x2b4 [ 263.948779] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.953974] ? mark_held_locks+0x130/0x130 [ 263.958211] ? mark_held_locks+0x130/0x130 [ 263.962454] dump_header+0x27b/0xf72 [ 263.966180] ? pagefault_out_of_memory+0x197/0x197 [ 263.971112] ? mark_held_locks+0x130/0x130 [ 263.975346] ? __lock_acquire+0x7ec/0x4ec0 [ 263.979593] ? mem_cgroup_charge_statistics+0x780/0x780 [ 263.984955] ? print_usage_bug+0xc0/0xc0 [ 263.989019] ? print_usage_bug+0xc0/0xc0 [ 263.993090] ? graph_lock+0x170/0x170 [ 263.996892] ? graph_lock+0x170/0x170 [ 264.000695] ? print_usage_bug+0xc0/0xc0 [ 264.004755] ? print_usage_bug+0xc0/0xc0 [ 264.008824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.014384] ? find_held_lock+0x36/0x1c0 [ 264.018459] ? mark_held_locks+0xc7/0x130 [ 264.022609] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 264.027713] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 264.032819] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.037414] ? trace_hardirqs_on+0xbd/0x310 [ 264.041742] ? kasan_check_read+0x11/0x20 [ 264.045897] ? ___ratelimit+0x36f/0x655 [ 264.049877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.055338] ? trace_hardirqs_on+0x310/0x310 [ 264.059748] ? lock_downgrade+0x900/0x900 [ 264.063910] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.069014] ? ___ratelimit+0xaa/0x655 [ 264.072909] ? idr_get_free+0xec0/0xec0 [ 264.076895] ? kasan_check_write+0x14/0x20 [ 264.081130] ? do_raw_spin_lock+0xc1/0x200 [ 264.085384] oom_kill_process.cold.27+0x10/0x903 [ 264.090143] ? graph_lock+0x170/0x170 [ 264.093943] ? _raw_spin_unlock+0x2c/0x50 [ 264.098090] ? oom_badness+0xe6/0xaa0 [ 264.101904] ? oom_evaluate_task+0x540/0x540 [ 264.106316] ? find_held_lock+0x36/0x1c0 [ 264.110393] ? out_of_memory+0x974/0x14c0 [ 264.114546] ? lock_downgrade+0x900/0x900 [ 264.118695] ? check_preemption_disabled+0x48/0x200 [ 264.123719] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.129517] ? kasan_check_read+0x11/0x20 [ 264.133664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.138943] ? rcu_bh_qs+0xc0/0xc0 [ 264.142490] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.147505] ? oom_evaluate_task+0x302/0x540 [ 264.151924] out_of_memory+0xa86/0x14c0 [ 264.155916] ? oom_killer_disable+0x3a0/0x3a0 [ 264.160419] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 264.165351] ? __mutex_add_waiter+0x2a0/0x2a0 [ 264.169872] __alloc_pages_slowpath+0x2318/0x2d80 [ 264.174768] ? warn_alloc+0x120/0x120 [ 264.178584] ? find_get_entry+0x2f2/0xc40 [ 264.182741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.188280] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 264.193208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.198745] ? should_fail+0x22d/0xd01 [ 264.202640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.207746] ? __lock_is_held+0xb5/0x140 [ 264.211844] ? __lock_is_held+0xb5/0x140 [ 264.215920] ? find_held_lock+0x36/0x1c0 [ 264.219986] ? ___might_sleep+0x1ed/0x300 [ 264.224130] ? lock_release+0x970/0x970 [ 264.228111] ? arch_local_save_flags+0x40/0x40 [ 264.232704] ? __might_sleep+0x95/0x190 [ 264.236684] __alloc_pages_nodemask+0xa80/0xde0 [ 264.241360] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.246399] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.252200] ? kasan_check_read+0x11/0x20 [ 264.256350] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.261637] ? graph_lock+0x170/0x170 [ 264.265442] ? print_usage_bug+0xc0/0xc0 [ 264.269509] ? graph_lock+0x170/0x170 [ 264.273306] ? graph_lock+0x170/0x170 [ 264.277109] ? __do_page_cache_readahead+0x7ce/0x980 [ 264.282219] ? find_held_lock+0x36/0x1c0 [ 264.286287] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 264.291833] alloc_pages_current+0x10c/0x210 [ 264.296240] ? lock_downgrade+0x900/0x900 [ 264.300401] __page_cache_alloc+0x38f/0x5b0 [ 264.304728] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.310530] ? kasan_check_read+0x11/0x20 [ 264.314944] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.320230] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 264.324909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.330452] ? check_preemption_disabled+0x48/0x200 [ 264.335482] filemap_fault+0x1594/0x25f0 [ 264.339560] ? __lock_page_or_retry+0xa00/0xa00 [ 264.344232] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.350030] ? kasan_check_read+0x11/0x20 [ 264.354183] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.359464] ? rcu_bh_qs+0xc0/0xc0 [ 264.363019] ? filemap_map_pages+0xdea/0x1980 [ 264.367539] ? find_get_pages_range_tag+0x1320/0x1320 [ 264.372731] ? do_raw_spin_lock+0xc1/0x200 [ 264.376969] ? graph_lock+0x170/0x170 [ 264.380779] ? futex_wait_setup+0x266/0x3e0 [ 264.385121] ? lock_acquire+0x1ed/0x520 [ 264.389095] ? ext4_filemap_fault+0x7a/0xad [ 264.393429] ? lock_release+0x970/0x970 [ 264.397411] ? arch_local_save_flags+0x40/0x40 [ 264.402000] ? futex_wait_setup+0x3e0/0x3e0 [ 264.406320] ? print_usage_bug+0xc0/0xc0 [ 264.410406] ? down_read+0xb0/0x1d0 [ 264.414032] ? ext4_filemap_fault+0x7a/0xad [ 264.418356] ? __down_interruptible+0x700/0x700 [ 264.423045] ? find_held_lock+0x36/0x1c0 [ 264.427113] ext4_filemap_fault+0x82/0xad [ 264.431265] __do_fault+0x100/0x6b0 [ 264.434900] ? lock_downgrade+0x900/0x900 [ 264.439049] ? print_bad_pte+0x6c0/0x6c0 [ 264.443113] ? do_futex+0x249/0x26d0 [ 264.447355] ? kasan_check_read+0x11/0x20 [ 264.451521] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.455931] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 264.460521] ? add_mm_counter_fast+0xd0/0xd0 [ 264.464941] __handle_mm_fault+0x3709/0x53e0 [ 264.469363] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 264.474212] ? __fpu__restore_sig+0x62f/0x1680 [ 264.478791] ? graph_lock+0x170/0x170 [ 264.482598] ? print_usage_bug+0xc0/0xc0 [ 264.486664] ? graph_lock+0x170/0x170 [ 264.490464] ? graph_lock+0x170/0x170 [ 264.494262] ? graph_lock+0x170/0x170 [ 264.498085] ? handle_mm_fault+0x42a/0xc70 [ 264.502322] ? lock_downgrade+0x900/0x900 [ 264.506474] ? check_preemption_disabled+0x48/0x200 [ 264.511499] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.517296] ? kasan_check_read+0x11/0x20 [ 264.521449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.526728] ? rcu_bh_qs+0xc0/0xc0 [ 264.530271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.535721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.541258] ? check_preemption_disabled+0x48/0x200 [ 264.546281] handle_mm_fault+0x54f/0xc70 [ 264.550346] ? __handle_mm_fault+0x53e0/0x53e0 [ 264.554942] ? find_vma+0x34/0x190 [ 264.558488] __do_page_fault+0x67d/0xed0 [ 264.562646] ? mm_fault_error+0x380/0x380 [ 264.566795] ? trace_hardirqs_off+0xb8/0x300 [ 264.571205] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.576581] ? trace_hardirqs_on+0x310/0x310 [ 264.580994] do_page_fault+0xf2/0x7e0 [ 264.584798] ? vmalloc_sync_all+0x30/0x30 [ 264.588946] ? error_entry+0x70/0xd0 [ 264.592663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.597682] ? trace_hardirqs_on_caller+0xc0/0x300 [ 264.602614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.607542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.612410] ? trace_hardirqs_off+0x300/0x300 [ 264.616909] ? trace_hardirqs_off_caller+0x300/0x300 [ 264.622014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.627550] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.632566] ? page_fault+0x8/0x30 [ 264.636113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.640958] ? page_fault+0x8/0x30 [ 264.644501] page_fault+0x1e/0x30 [ 264.647952] RIP: 0033:0x407e06 [ 264.651151] Code: Bad RIP value. [ 264.654510] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 264.659874] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 264.667147] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 264.674419] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 264.681683] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 264.688949] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 264.696244] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 264.696249] warn_alloc_show_mem: 1 callbacks suppressed [ 264.696257] Mem-Info: [ 264.703444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.703453] Call Trace: [ 264.708823] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 264.708823] active_file:16 inactive_file:17 isolated_file:1 [ 264.708823] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.708823] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 264.708823] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 264.708823] free:13718 free_pcp:223 free_cma:0 [ 264.711195] [ 264.720554] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.723134] dump_stack+0x1c4/0x2b4 [ 264.755989] Node 0 [ 264.758143] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.785810] 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 [ 264.789426] warn_alloc.cold.118+0xb7/0x1bd [ 264.791627] lowmem_reserve[]: [ 264.796810] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.822283] 0 2817 [ 264.826614] ? lock_downgrade+0x900/0x900 [ 264.829690] 6321 [ 264.834529] ? trace_hardirqs_off+0xb8/0x300 [ 264.836734] 6321 [ 264.840884] ? trace_hardirqs_off+0xb8/0x300 [ 264.842935] Node 0 [ 264.847342] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.849403] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.853806] ? warn_alloc+0x120/0x120 [ 264.855990] lowmem_reserve[]: [ 264.860838] ? warn_alloc+0x120/0x120 [ 264.887523] 0 0 [ 264.891359] ? print_usage_bug+0xc0/0xc0 [ 264.894437] 3503 [ 264.898230] ? warn_alloc+0x120/0x120 [ 264.900174] 3503 [ 264.904236] ? print_usage_bug+0xc0/0xc0 [ 264.906277] Node 0 [ 264.910069] ? __lock_acquire+0x7ec/0x4ec0 [ 264.912131] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 264.916161] ? __lock_acquire+0x7ec/0x4ec0 [ 264.918363] lowmem_reserve[]: 0 [ 264.922612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.951038] 0 [ 264.955265] ? should_fail+0x22d/0xd01 [ 264.958508] 0 0 [ 264.964049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.969707] ? __lock_acquire+0x7ec/0x4ec0 [ 264.971662] Node 0 [ 264.976757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.980964] DMA: [ 264.983196] ? __lock_acquire+0x7ec/0x4ec0 [ 264.988274] 1*4kB [ 264.990331] ? should_fail+0x22d/0xd01 [ 264.994539] (U) [ 264.996689] ? mark_held_locks+0x130/0x130 [ 265.000546] 0*8kB [ 265.002512] ? mark_held_locks+0x130/0x130 [ 265.006714] 0*16kB 1*32kB [ 265.008862] ? graph_lock+0x170/0x170 [ 265.013069] (U) [ 265.015902] ? graph_lock+0x170/0x170 [ 265.015919] ? graph_lock+0x170/0x170 [ 265.019692] 2*64kB (U) 1*128kB [ 265.021673] ? print_usage_bug+0xc0/0xc0 [ 265.025446] (U) [ 265.029238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.032486] 1*256kB (U) [ 265.036547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.038497] 0*512kB 1*1024kB [ 265.044037] ? check_preemption_disabled+0x48/0x200 [ 265.046671] (U) 1*2048kB [ 265.052209] ? check_preemption_disabled+0x48/0x200 [ 265.055288] (M) [ 265.060304] ? __lock_is_held+0xb5/0x140 [ 265.063026] 3*4096kB (M) [ 265.068048] __alloc_pages_nodemask+0xa80/0xde0 [ 265.069994] = 15908kB [ 265.074044] ? graph_lock+0x170/0x170 [ 265.076777] Node 0 [ 265.081436] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.083813] DMA32: 2*4kB [ 265.087611] ? graph_lock+0x170/0x170 [ 265.089827] (M) [ 265.094845] ? find_held_lock+0x36/0x1c0 [ 265.097572] 0*8kB [ 265.101372] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.103340] 3*16kB (M) [ 265.107414] ? lock_downgrade+0x900/0x900 [ 265.109533] 1*32kB (M) [ 265.114205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.116753] 2*64kB (M) [ 265.120907] cache_grow_begin+0x91/0x8c0 [ 265.123459] 4*128kB (UM) [ 265.128997] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.131552] 3*256kB (UM) [ 265.135618] fallback_alloc+0x203/0x2e0 [ 265.138345] 4*512kB (UM) [ 265.142767] ____cache_alloc_node+0x1c7/0x1e0 [ 265.145493] 3*1024kB (M) [ 265.149472] kmem_cache_alloc_node+0xe3/0x730 [ 265.152198] 3*2048kB (UM) [ 265.156695] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.159420] 3*4096kB (M) [ 265.163920] __alloc_skb+0x119/0x770 [ 265.166729] = 25048kB [ 265.166737] Node 0 [ 265.170966] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.173689] Normal: 865*4kB [ 265.177420] ? skb_scrub_packet+0x490/0x490 [ 265.179801] (UMEH) 401*8kB [ 265.182040] ? lock_downgrade+0x900/0x900 [ 265.187307] (UMEH) [ 265.190324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.194609] 165*16kB (UMEH) [ 265.197547] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.201665] 83*32kB (UMEH) [ 265.203908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.209418] 31*64kB [ 265.212435] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.217859] (UMH) [ 265.220793] ndisc_alloc_skb+0x144/0x340 [ 265.226211] 0*128kB [ 265.228532] ndisc_send_rs+0x331/0x6e0 [ 265.232908] 0*256kB 0*512kB [ 265.235064] addrconf_rs_timer+0x3c0/0x6f0 [ 265.239091] 0*1024kB 0*2048kB [ 265.241424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.245281] 0*4096kB = 13948kB [ 265.248323] call_timer_fn+0x272/0x920 [ 265.252525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.255705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.259918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.259927] 413 total pagecache pages [ 265.263114] ? process_timeout+0x40/0x40 [ 265.266984] 0 pages in swap cache [ 265.275807] ? find_held_lock+0x36/0x1c0 [ 265.280017] Swap cache stats: add 0, delete 0, find 0/0 [ 265.288586] ? __run_timers+0x7da/0xc70 [ 265.292357] Free swap = 0kB [ 265.296429] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.299853] Total swap = 0kB [ 265.299861] 1965979 pages RAM [ 265.303913] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.309246] 0 pages HighMem/MovableOnly [ 265.309255] 342744 pages reserved [ 265.313697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.313715] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.316706] 0 pages cma reserved [ 265.316789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.321218] ? trace_hardirqs_on+0xbd/0x310 [ 265.324288] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.327309] ? kasan_check_read+0x11/0x20 [ 265.331778] syz-fuzzer cpuset= [ 265.335748] ? __run_timers+0x7da/0xc70 [ 265.339169] / [ 265.343406] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.347965] mems_allowed=0 [ 265.351323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.397862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.402108] __run_timers+0x7e5/0xc70 [ 265.405927] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.411294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.416316] ? graph_lock+0x170/0x170 [ 265.420126] ? enqueue_hrtimer+0x1a5/0x560 [ 265.424363] ? lock_release+0x970/0x970 [ 265.428359] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.433574] ? find_held_lock+0x36/0x1c0 [ 265.437645] ? graph_lock+0x170/0x170 [ 265.441448] ? pvclock_read_flags+0x160/0x160 [ 265.445945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.451488] ? check_preemption_disabled+0x48/0x200 [ 265.456518] ? __lock_is_held+0xb5/0x140 [ 265.460582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.466121] ? check_preemption_disabled+0x48/0x200 [ 265.471146] run_timer_softirq+0x52/0xb0 [ 265.475209] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.480322] __do_softirq+0x30b/0xad8 [ 265.484149] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.489275] ? pvclock_read_flags+0x160/0x160 [ 265.493772] ? lapic_next_event+0x5a/0x90 [ 265.497924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.503473] ? check_preemption_disabled+0x48/0x200 [ 265.508492] ? check_preemption_disabled+0x48/0x200 [ 265.513516] ? kvm_clock_read+0x18/0x30 [ 265.517490] ? kvm_sched_clock_read+0x9/0x20 [ 265.521905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.527445] ? check_preemption_disabled+0x48/0x200 [ 265.532476] irq_exit+0x17f/0x1c0 [ 265.535934] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.540778] ? smp_reschedule_interrupt+0x109/0x650 [ 265.545797] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.551683] ? interrupt_entry+0xb5/0xf0 [ 265.555754] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.560767] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.565784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.570626] ? trace_hardirqs_off+0x300/0x300 [ 265.575122] ? trace_hardirqs_off+0x300/0x300 [ 265.579619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.585159] ? check_preemption_disabled+0x48/0x200 [ 265.590173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.595719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.600577] apic_timer_interrupt+0xf/0x20 [ 265.604814] [ 265.607064] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.612006] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 265.630907] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 265.638626] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.645898] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 265.653166] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 265.660432] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 265.667703] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 265.675037] skb_clone+0x1bb/0x500 [ 265.678584] ? finish_task_switch+0x1b5/0x900 [ 265.683094] ? skb_split+0x11e0/0x11e0 [ 265.686993] ? preempt_notifier_register+0x200/0x200 [ 265.692101] ? __switch_to_asm+0x34/0x70 [ 265.696164] ? __switch_to_asm+0x34/0x70 [ 265.700225] ? __switch_to_asm+0x40/0x70 [ 265.704283] ? __switch_to_asm+0x34/0x70 [ 265.708360] ? __switch_to_asm+0x40/0x70 [ 265.712458] ? __switch_to_asm+0x34/0x70 [ 265.716531] ? __switch_to_asm+0x40/0x70 [ 265.720590] ? __switch_to_asm+0x34/0x70 [ 265.724656] ? __switch_to_asm+0x34/0x70 [ 265.728720] ? __switch_to_asm+0x40/0x70 [ 265.732778] ? __switch_to_asm+0x34/0x70 [ 265.736850] bpf_clone_redirect+0xb9/0x490 [ 265.741092] ? __schedule+0x874/0x1ed0 [ 265.744985] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 265.750009] ? __sched_text_start+0x8/0x8 [ 265.754161] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.758933] ? find_held_lock+0x36/0x1c0 [ 265.763004] ? lock_acquire+0x1ed/0x520 [ 265.766982] ? bpf_test_run+0x32e/0x5a0 [ 265.770961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.776501] ? check_preemption_disabled+0x48/0x200 [ 265.781525] ? kasan_check_read+0x11/0x20 [ 265.785677] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.790956] ? rcu_bh_qs+0xc0/0xc0 [ 265.794509] ? preempt_schedule+0x4d/0x60 [ 265.798664] ? ___preempt_schedule+0x16/0x18 [ 265.803094] ? bpf_test_run+0x1c0/0x5a0 [ 265.807085] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.811497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.817040] ? bpf_test_init.isra.9+0x70/0x100 [ 265.821633] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.826413] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.831258] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.836796] ? fput+0x130/0x1a0 [ 265.840078] ? __bpf_prog_get+0x9b/0x290 [ 265.844146] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.848990] ? bpf_prog_test_run+0x130/0x1a0 [ 265.853418] ? __x64_sys_bpf+0x3d8/0x510 [ 265.857482] ? bpf_prog_get+0x20/0x20 [ 265.861290] ? ksys_ioctl+0x81/0xd0 [ 265.864935] ? do_syscall_64+0x1b9/0x820 [ 265.868996] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.874369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.879320] ? trace_hardirqs_off+0x300/0x300 [ 265.883816] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.888832] ? recalc_sigpending_tsk+0x180/0x180 [ 265.893593] ? kasan_check_write+0x14/0x20 [ 265.897842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.902694] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.908080] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 265.908157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.915006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.915012] Call Trace: [ 265.915019] [ 265.915035] dump_stack+0x1c4/0x2b4 [ 265.915052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.915078] warn_alloc.cold.118+0xb7/0x1bd [ 265.921597] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.930899] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.933461] syz-executor0 cpuset= [ 265.935606] ? lock_downgrade+0x900/0x900 [ 265.939207] syz0 [ 265.944413] ? trace_hardirqs_off+0xb8/0x300 [ 265.948711] mems_allowed=0 [ 265.959202] ? trace_hardirqs_off+0xb8/0x300 [ 265.985264] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.990145] ? warn_alloc+0x120/0x120 [ 265.993954] ? trace_hardirqs_on+0x310/0x310 [ 265.998373] ? warn_alloc+0x120/0x120 [ 266.002187] ? print_usage_bug+0xc0/0xc0 [ 266.006247] ? warn_alloc+0x120/0x120 [ 266.010050] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 266.015072] ? print_usage_bug+0xc0/0xc0 [ 266.019135] ? __lock_acquire+0x7ec/0x4ec0 [ 266.023372] ? __lock_acquire+0x7ec/0x4ec0 [ 266.027618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.033157] ? should_fail+0x22d/0xd01 [ 266.037051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.042159] ? __lock_acquire+0x7ec/0x4ec0 [ 266.046408] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.051513] ? __lock_acquire+0x7ec/0x4ec0 [ 266.055750] ? should_fail+0x22d/0xd01 [ 266.059640] ? print_usage_bug+0xc0/0xc0 [ 266.063712] ? mark_held_locks+0x130/0x130 [ 266.067954] ? mark_held_locks+0x130/0x130 [ 266.072201] ? graph_lock+0x170/0x170 [ 266.076002] ? print_usage_bug+0xc0/0xc0 [ 266.080063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.084822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.090367] ? check_preemption_disabled+0x48/0x200 [ 266.095402] ? check_preemption_disabled+0x48/0x200 [ 266.100449] ? __lock_is_held+0xb5/0x140 [ 266.104519] __alloc_pages_nodemask+0xa80/0xde0 [ 266.109190] ? graph_lock+0x170/0x170 [ 266.113003] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.118021] ? graph_lock+0x170/0x170 [ 266.121837] ? find_held_lock+0x36/0x1c0 [ 266.125917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.130590] ? lock_downgrade+0x900/0x900 [ 266.134751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.140299] cache_grow_begin+0x91/0x8c0 [ 266.144367] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.148794] fallback_alloc+0x203/0x2e0 [ 266.152782] ____cache_alloc_node+0x1c7/0x1e0 [ 266.157284] kmem_cache_alloc_node+0xe3/0x730 [ 266.161813] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.166061] __alloc_skb+0x119/0x770 [ 266.169780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.175062] ? skb_scrub_packet+0x490/0x490 [ 266.179390] ? lock_downgrade+0x900/0x900 [ 266.183578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.189116] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.194572] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.200029] ? addrconf_rs_timer+0x6f0/0x6f0 [ 266.204454] ndisc_alloc_skb+0x144/0x340 [ 266.208527] ndisc_send_rs+0x331/0x6e0 [ 266.212429] addrconf_rs_timer+0x3c0/0x6f0 [ 266.216673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.220928] call_timer_fn+0x272/0x920 [ 266.224818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.229054] ? process_timeout+0x40/0x40 [ 266.233114] ? find_held_lock+0x36/0x1c0 [ 266.237186] ? mark_held_locks+0xc7/0x130 [ 266.241337] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.245834] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.250330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.254566] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.259155] ? trace_hardirqs_on+0xbd/0x310 [ 266.263482] ? kasan_check_read+0x11/0x20 [ 266.267630] ? __run_timers+0x7da/0xc70 [ 266.271610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.277067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.281310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.285545] __run_timers+0x7e5/0xc70 [ 266.289360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.294736] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.299752] ? graph_lock+0x170/0x170 [ 266.303556] ? print_usage_bug+0xc0/0xc0 [ 266.307617] ? lock_release+0x970/0x970 [ 266.311593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.317062] ? find_held_lock+0x36/0x1c0 [ 266.321396] ? graph_lock+0x170/0x170 [ 266.325204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.330747] ? check_preemption_disabled+0x48/0x200 [ 266.335774] ? __lock_is_held+0xb5/0x140 [ 266.339838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.345376] ? check_preemption_disabled+0x48/0x200 [ 266.350414] run_timer_softirq+0x52/0xb0 [ 266.354481] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.359501] __do_softirq+0x30b/0xad8 [ 266.363313] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.368424] ? pvclock_read_flags+0x160/0x160 [ 266.372926] ? lapic_next_event+0x5a/0x90 [ 266.377076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.382618] ? check_preemption_disabled+0x48/0x200 [ 266.387637] ? check_preemption_disabled+0x48/0x200 [ 266.392662] ? kvm_clock_read+0x18/0x30 [ 266.396652] ? kvm_sched_clock_read+0x9/0x20 [ 266.401067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.406604] ? check_preemption_disabled+0x48/0x200 [ 266.411633] irq_exit+0x17f/0x1c0 [ 266.415088] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.419928] ? smp_reschedule_interrupt+0x109/0x650 [ 266.424945] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.430830] ? interrupt_entry+0xb5/0xf0 [ 266.434897] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.439921] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.445400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.450245] ? trace_hardirqs_off+0x300/0x300 [ 266.454741] ? trace_hardirqs_off+0x300/0x300 [ 266.459238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.464781] ? check_preemption_disabled+0x48/0x200 [ 266.469799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.475346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.480204] apic_timer_interrupt+0xf/0x20 [ 266.484431] [ 266.486670] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 266.491947] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 266.510849] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 266.518563] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 266.525829] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 266.533095] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 266.540364] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 266.547636] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 266.554943] ? arch_local_irq_restore+0x45/0x52 [ 266.559625] dump_stack+0x26a/0x2b4 [ 266.563257] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.568456] ? mark_held_locks+0x130/0x130 [ 266.572694] ? mark_held_locks+0x130/0x130 [ 266.576938] dump_header+0x27b/0xf72 [ 266.580669] ? pagefault_out_of_memory+0x197/0x197 [ 266.585607] ? mark_held_locks+0x130/0x130 [ 266.589845] ? __lock_acquire+0x7ec/0x4ec0 [ 266.594083] ? mem_cgroup_charge_statistics+0x780/0x780 [ 266.599450] ? print_usage_bug+0xc0/0xc0 [ 266.603514] ? print_usage_bug+0xc0/0xc0 [ 266.607591] ? graph_lock+0x170/0x170 [ 266.611401] ? graph_lock+0x170/0x170 [ 266.615203] ? print_usage_bug+0xc0/0xc0 [ 266.619271] ? print_usage_bug+0xc0/0xc0 [ 266.623341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.628882] ? find_held_lock+0x36/0x1c0 [ 266.632972] ? mark_held_locks+0xc7/0x130 [ 266.637129] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.642232] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.647339] ? lockdep_hardirqs_on+0x421/0x5c0 [ 266.651923] ? trace_hardirqs_on+0xbd/0x310 [ 266.656245] ? kasan_check_read+0x11/0x20 [ 266.660403] ? ___ratelimit+0x36f/0x655 [ 266.664388] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.669842] ? trace_hardirqs_on+0x310/0x310 [ 266.674252] ? lock_downgrade+0x900/0x900 [ 266.678412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.683517] ? ___ratelimit+0xaa/0x655 [ 266.687417] ? idr_get_free+0xec0/0xec0 [ 266.691402] ? kasan_check_write+0x14/0x20 [ 266.695644] ? do_raw_spin_lock+0xc1/0x200 [ 266.699886] oom_kill_process.cold.27+0x10/0x903 [ 266.704747] ? graph_lock+0x170/0x170 [ 266.708549] ? _raw_spin_unlock+0x2c/0x50 [ 266.712695] ? oom_badness+0xe6/0xaa0 [ 266.716505] ? oom_evaluate_task+0x540/0x540 [ 266.720926] ? find_held_lock+0x36/0x1c0 [ 266.724998] ? out_of_memory+0x974/0x14c0 [ 266.729150] ? lock_downgrade+0x900/0x900 [ 266.733300] ? check_preemption_disabled+0x48/0x200 [ 266.738323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.744128] ? kasan_check_read+0x11/0x20 [ 266.748276] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.753558] ? rcu_bh_qs+0xc0/0xc0 [ 266.757106] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.762123] ? oom_evaluate_task+0x302/0x540 [ 266.766535] out_of_memory+0xa86/0x14c0 [ 266.770522] ? oom_killer_disable+0x3a0/0x3a0 [ 266.775022] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 266.779956] ? __mutex_add_waiter+0x2a0/0x2a0 [ 266.784464] __alloc_pages_slowpath+0x2318/0x2d80 [ 266.789340] ? warn_alloc+0x120/0x120 [ 266.793159] ? find_get_entry+0x2f2/0xc40 [ 266.797319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.802863] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 266.807815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.813354] ? should_fail+0x22d/0xd01 [ 266.817258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.822361] ? __lock_is_held+0xb5/0x140 [ 266.826458] ? __lock_is_held+0xb5/0x140 [ 266.830527] ? find_held_lock+0x36/0x1c0 [ 266.834593] ? ___might_sleep+0x1ed/0x300 [ 266.838741] ? lock_release+0x970/0x970 [ 266.842716] ? arch_local_save_flags+0x40/0x40 [ 266.847313] ? __might_sleep+0x95/0x190 [ 266.851298] __alloc_pages_nodemask+0xa80/0xde0 [ 266.855980] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.861002] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.866806] ? kasan_check_read+0x11/0x20 [ 266.870960] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.876247] ? graph_lock+0x170/0x170 [ 266.880052] ? print_usage_bug+0xc0/0xc0 [ 266.884121] ? graph_lock+0x170/0x170 [ 266.887933] ? graph_lock+0x170/0x170 [ 266.891741] ? __do_page_cache_readahead+0x7ce/0x980 [ 266.896854] ? find_held_lock+0x36/0x1c0 [ 266.900933] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 266.906485] alloc_pages_current+0x10c/0x210 [ 266.910905] ? lock_downgrade+0x900/0x900 [ 266.915063] __page_cache_alloc+0x38f/0x5b0 [ 266.919398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.925204] ? kasan_check_read+0x11/0x20 [ 266.929365] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.934659] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 266.939334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.944887] ? check_preemption_disabled+0x48/0x200 [ 266.949928] filemap_fault+0x1594/0x25f0 [ 266.954010] ? __lock_page_or_retry+0xa00/0xa00 [ 266.958685] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.964492] ? kasan_check_read+0x11/0x20 [ 266.968671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.973959] ? rcu_bh_qs+0xc0/0xc0 [ 266.977524] ? filemap_map_pages+0xdea/0x1980 [ 266.982042] ? find_get_pages_range_tag+0x1320/0x1320 [ 266.987240] ? do_raw_spin_lock+0xc1/0x200 [ 266.991482] ? graph_lock+0x170/0x170 [ 266.995301] ? futex_wait_setup+0x266/0x3e0 [ 266.999651] ? lock_acquire+0x1ed/0x520 [ 267.003628] ? ext4_filemap_fault+0x7a/0xad [ 267.007963] ? lock_release+0x970/0x970 [ 267.011941] ? arch_local_save_flags+0x40/0x40 [ 267.016535] ? futex_wait_setup+0x3e0/0x3e0 [ 267.020862] ? print_usage_bug+0xc0/0xc0 [ 267.024944] ? down_read+0xb0/0x1d0 [ 267.028577] ? ext4_filemap_fault+0x7a/0xad [ 267.032904] ? __down_interruptible+0x700/0x700 [ 267.037588] ? find_held_lock+0x36/0x1c0 [ 267.041654] ext4_filemap_fault+0x82/0xad [ 267.045806] __do_fault+0x100/0x6b0 [ 267.049435] ? lock_downgrade+0x900/0x900 [ 267.053586] ? print_bad_pte+0x6c0/0x6c0 [ 267.057652] ? do_futex+0x249/0x26d0 [ 267.061370] ? kasan_check_read+0x11/0x20 [ 267.065532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.069941] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 267.074527] ? add_mm_counter_fast+0xd0/0xd0 [ 267.078946] __handle_mm_fault+0x3709/0x53e0 [ 267.083369] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 267.088227] ? __fpu__restore_sig+0x62f/0x1680 [ 267.092807] ? graph_lock+0x170/0x170 [ 267.096613] ? print_usage_bug+0xc0/0xc0 [ 267.100677] ? graph_lock+0x170/0x170 [ 267.104476] ? graph_lock+0x170/0x170 [ 267.108274] ? graph_lock+0x170/0x170 [ 267.112099] ? handle_mm_fault+0x42a/0xc70 [ 267.116340] ? lock_downgrade+0x900/0x900 [ 267.120496] ? check_preemption_disabled+0x48/0x200 [ 267.125521] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.131317] ? kasan_check_read+0x11/0x20 [ 267.135470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.140752] ? rcu_bh_qs+0xc0/0xc0 [ 267.144290] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.149746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.155284] ? check_preemption_disabled+0x48/0x200 [ 267.160311] handle_mm_fault+0x54f/0xc70 [ 267.164389] ? __handle_mm_fault+0x53e0/0x53e0 [ 267.168976] ? find_vma+0x34/0x190 [ 267.172531] __do_page_fault+0x67d/0xed0 [ 267.176602] ? mm_fault_error+0x380/0x380 [ 267.180747] ? trace_hardirqs_off+0xb8/0x300 [ 267.185157] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.190524] ? trace_hardirqs_on+0x310/0x310 [ 267.194938] do_page_fault+0xf2/0x7e0 [ 267.198740] ? vmalloc_sync_all+0x30/0x30 [ 267.202901] ? error_entry+0x70/0xd0 [ 267.206619] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.211637] ? trace_hardirqs_on_caller+0xc0/0x300 [ 267.216571] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.221498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.226342] ? trace_hardirqs_off+0x300/0x300 [ 267.230836] ? trace_hardirqs_off_caller+0x300/0x300 [ 267.235945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.241486] ? prepare_exit_to_usermode+0x291/0x3b0 [ 267.246509] ? page_fault+0x8/0x30 [ 267.250057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.254907] ? page_fault+0x8/0x30 [ 267.258452] page_fault+0x1e/0x30 [ 267.261912] RIP: 0033:0x407e06 [ 267.265111] Code: Bad RIP value. [ 267.268474] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 267.273841] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 267.281107] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 267.288374] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 267.295663] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 267.302945] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 267.310245] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 267.310250] warn_alloc_show_mem: 1 callbacks suppressed [ 267.310257] Mem-Info: [ 267.317436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.317444] Call Trace: [ 267.322813] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 267.322813] active_file:16 inactive_file:17 isolated_file:1 [ 267.322813] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.322813] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 267.322813] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 267.322813] free:13718 free_pcp:223 free_cma:0 [ 267.325186] [ 267.334549] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.337146] dump_stack+0x1c4/0x2b4 [ 267.369997] Node 0 [ 267.372156] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.399823] 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 [ 267.403438] warn_alloc.cold.118+0xb7/0x1bd [ 267.405642] lowmem_reserve[]: [ 267.410840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.436306] 0 2817 [ 267.440635] ? lock_downgrade+0x900/0x900 [ 267.443705] 6321 6321 [ 267.448553] ? trace_hardirqs_off+0xb8/0x300 [ 267.454909] ? trace_hardirqs_off+0xb8/0x300 [ 267.457396] Node 0 [ 267.461807] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.466207] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 267.468447] ? warn_alloc+0x120/0x120 [ 267.473229] lowmem_reserve[]: 0 [ 267.499954] ? warn_alloc+0x120/0x120 [ 267.503725] 0 3503 [ 267.507008] ? print_usage_bug+0xc0/0xc0 [ 267.510778] 3503 [ 267.513007] ? warn_alloc+0x120/0x120 [ 267.517043] Node 0 [ 267.519102] ? print_usage_bug+0xc0/0xc0 [ 267.522906] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 267.525104] ? __lock_acquire+0x7ec/0x4ec0 [ 267.529138] lowmem_reserve[]: 0 [ 267.557516] ? __lock_acquire+0x7ec/0x4ec0 [ 267.561728] 0 [ 267.565004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.569213] 0 [ 267.571023] ? should_fail+0x22d/0xd01 [ 267.576524] 0 [ 267.578331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.582200] Node 0 [ 267.583995] ? __lock_acquire+0x7ec/0x4ec0 [ 267.589067] DMA: 1*4kB [ 267.591310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.595521] (U) [ 267.598121] ? __lock_acquire+0x7ec/0x4ec0 [ 267.603188] 0*8kB [ 267.605161] ? should_fail+0x22d/0xd01 [ 267.609368] 0*16kB [ 267.611531] ? mark_held_locks+0x130/0x130 [ 267.615403] 1*32kB [ 267.617635] ? mark_held_locks+0x130/0x130 [ 267.621843] (U) [ 267.624076] ? graph_lock+0x170/0x170 [ 267.628278] 2*64kB (U) [ 267.630259] ? graph_lock+0x170/0x170 [ 267.634024] 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 267.634055] Node 0 DMA32: 2*4kB (M) 0*8kB 3*16kB (M) 1*32kB (M) 2*64kB (M) 4*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25048kB [ 267.634116] Node 0 Normal: 865*4kB (UMEH) 401*8kB (UMEH) 165*16kB (UMEH) 83*32kB (UMEH) 31*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13948kB [ 267.634172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.634178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 267.634181] 413 total pagecache pages [ 267.634195] 0 pages in swap cache [ 267.634200] Swap cache stats: add 0, delete 0, find 0/0 [ 267.634203] Free swap = 0kB [ 267.634206] Total swap = 0kB [ 267.634210] 1965979 pages RAM [ 267.634212] 0 pages HighMem/MovableOnly [ 267.634215] 342744 pages reserved [ 267.634218] 0 pages cma reserved [ 267.634272] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.634318] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.634322] syz-fuzzer cpuset=/ mems_allowed=0 [ 267.749730] ? graph_lock+0x170/0x170 [ 267.753533] ? print_usage_bug+0xc0/0xc0 [ 267.757595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.763138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.768678] ? check_preemption_disabled+0x48/0x200 [ 267.773707] ? check_preemption_disabled+0x48/0x200 [ 267.778734] ? __lock_is_held+0xb5/0x140 [ 267.782807] __alloc_pages_nodemask+0xa80/0xde0 [ 267.787476] ? graph_lock+0x170/0x170 [ 267.791285] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.796302] ? graph_lock+0x170/0x170 [ 267.800118] ? find_held_lock+0x36/0x1c0 [ 267.804192] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.808866] ? lock_downgrade+0x900/0x900 [ 267.813030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.818573] cache_grow_begin+0x91/0x8c0 [ 267.822635] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.827058] fallback_alloc+0x203/0x2e0 [ 267.831069] ____cache_alloc_node+0x1c7/0x1e0 [ 267.835571] kmem_cache_alloc_node+0xe3/0x730 [ 267.840078] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.844427] __alloc_skb+0x119/0x770 [ 267.848145] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.853428] ? skb_scrub_packet+0x490/0x490 [ 267.857749] ? lock_downgrade+0x900/0x900 [ 267.861906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.867446] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.872905] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.878362] ? addrconf_rs_timer+0x6f0/0x6f0 [ 267.882800] ndisc_alloc_skb+0x144/0x340 [ 267.886868] ndisc_send_rs+0x331/0x6e0 [ 267.890768] addrconf_rs_timer+0x3c0/0x6f0 [ 267.895028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.899279] call_timer_fn+0x272/0x920 [ 267.903171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.907421] ? process_timeout+0x40/0x40 [ 267.911489] ? find_held_lock+0x36/0x1c0 [ 267.915560] ? __run_timers+0x7da/0xc70 [ 267.919556] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.924053] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.928547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.932782] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.937366] ? trace_hardirqs_on+0xbd/0x310 [ 267.941704] ? kasan_check_read+0x11/0x20 [ 267.945852] ? __run_timers+0x7da/0xc70 [ 267.949830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.955289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.959534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.963774] __run_timers+0x7e5/0xc70 [ 267.967590] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.972957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.977975] ? graph_lock+0x170/0x170 [ 267.981780] ? enqueue_hrtimer+0x1a5/0x560 [ 267.986012] ? lock_release+0x970/0x970 [ 267.989990] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.995187] ? find_held_lock+0x36/0x1c0 [ 267.999260] ? graph_lock+0x170/0x170 [ 268.003062] ? pvclock_read_flags+0x160/0x160 [ 268.007561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.013104] ? check_preemption_disabled+0x48/0x200 [ 268.018133] ? __lock_is_held+0xb5/0x140 [ 268.022196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.027735] ? check_preemption_disabled+0x48/0x200 [ 268.032759] run_timer_softirq+0x52/0xb0 [ 268.036821] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.041839] __do_softirq+0x30b/0xad8 [ 268.045651] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.050766] ? pvclock_read_flags+0x160/0x160 [ 268.055266] ? lapic_next_event+0x5a/0x90 [ 268.059419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.064957] ? check_preemption_disabled+0x48/0x200 [ 268.069976] ? check_preemption_disabled+0x48/0x200 [ 268.074999] ? kvm_clock_read+0x18/0x30 [ 268.078971] ? kvm_sched_clock_read+0x9/0x20 [ 268.083411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.088955] ? check_preemption_disabled+0x48/0x200 [ 268.093988] irq_exit+0x17f/0x1c0 [ 268.097443] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.102284] ? smp_reschedule_interrupt+0x109/0x650 [ 268.107304] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.113192] ? interrupt_entry+0xb5/0xf0 [ 268.117254] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.122267] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.127288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.132130] ? trace_hardirqs_off+0x300/0x300 [ 268.136622] ? trace_hardirqs_off+0x300/0x300 [ 268.141123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.146664] ? check_preemption_disabled+0x48/0x200 [ 268.151681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.157232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.162088] apic_timer_interrupt+0xf/0x20 [ 268.166324] [ 268.168562] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 268.173500] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 268.192413] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 268.200133] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.207410] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 268.214679] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 268.221948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 268.229218] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 268.236540] skb_clone+0x1bb/0x500 [ 268.240081] ? finish_task_switch+0x1b5/0x900 [ 268.244578] ? skb_split+0x11e0/0x11e0 [ 268.248472] ? preempt_notifier_register+0x200/0x200 [ 268.253579] ? __switch_to_asm+0x34/0x70 [ 268.257640] ? __switch_to_asm+0x34/0x70 [ 268.261706] ? __switch_to_asm+0x40/0x70 [ 268.265772] ? __switch_to_asm+0x34/0x70 [ 268.269835] ? __switch_to_asm+0x40/0x70 [ 268.273896] ? __switch_to_asm+0x34/0x70 [ 268.277953] ? __switch_to_asm+0x40/0x70 [ 268.282015] ? __switch_to_asm+0x34/0x70 [ 268.286078] ? __switch_to_asm+0x34/0x70 [ 268.290142] ? __switch_to_asm+0x40/0x70 [ 268.294204] ? __switch_to_asm+0x34/0x70 [ 268.298278] bpf_clone_redirect+0xb9/0x490 [ 268.302522] ? __schedule+0x874/0x1ed0 [ 268.306429] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 268.311449] ? __sched_text_start+0x8/0x8 [ 268.315889] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.320664] ? find_held_lock+0x36/0x1c0 [ 268.324738] ? lock_acquire+0x1ed/0x520 [ 268.328712] ? bpf_test_run+0x32e/0x5a0 [ 268.332689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.338233] ? check_preemption_disabled+0x48/0x200 [ 268.343260] ? kasan_check_read+0x11/0x20 [ 268.347427] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.352702] ? rcu_bh_qs+0xc0/0xc0 [ 268.356248] ? preempt_schedule+0x4d/0x60 [ 268.360413] ? ___preempt_schedule+0x16/0x18 [ 268.364832] ? bpf_test_run+0x1c0/0x5a0 [ 268.368817] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.373228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.378768] ? bpf_test_init.isra.9+0x70/0x100 [ 268.383359] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.388148] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.392993] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.398531] ? fput+0x130/0x1a0 [ 268.401816] ? __bpf_prog_get+0x9b/0x290 [ 268.405884] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.410725] ? bpf_prog_test_run+0x130/0x1a0 [ 268.415139] ? __x64_sys_bpf+0x3d8/0x510 [ 268.419203] ? bpf_prog_get+0x20/0x20 [ 268.423012] ? ksys_ioctl+0x81/0xd0 [ 268.426651] ? do_syscall_64+0x1b9/0x820 [ 268.430711] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.436075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.441010] ? trace_hardirqs_off+0x300/0x300 [ 268.445694] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.451417] ? recalc_sigpending_tsk+0x180/0x180 [ 268.456183] ? kasan_check_write+0x14/0x20 [ 268.460431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.465284] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.470671] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 268.470758] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.477598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.477603] Call Trace: [ 268.477610] [ 268.477630] dump_stack+0x1c4/0x2b4 [ 268.477647] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.477673] warn_alloc.cold.118+0xb7/0x1bd [ 268.484238] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.493505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.496063] syz-executor0 cpuset= [ 268.498212] ? lock_downgrade+0x900/0x900 [ 268.501808] syz0 [ 268.506993] ? trace_hardirqs_off+0xb8/0x300 [ 268.511288] mems_allowed=0 [ 268.521779] ? trace_hardirqs_off+0xb8/0x300 [ 268.547822] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.552700] ? warn_alloc+0x120/0x120 [ 268.556598] ? warn_alloc+0x120/0x120 [ 268.560419] ? print_usage_bug+0xc0/0xc0 [ 268.564482] ? warn_alloc+0x120/0x120 [ 268.568279] ? lock_release+0x970/0x970 [ 268.572253] ? print_usage_bug+0xc0/0xc0 [ 268.576320] ? __lock_acquire+0x7ec/0x4ec0 [ 268.580555] ? __lock_acquire+0x7ec/0x4ec0 [ 268.584796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.590334] ? should_fail+0x22d/0xd01 [ 268.594227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.599332] ? __lock_acquire+0x7ec/0x4ec0 [ 268.603572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.608670] ? __lock_acquire+0x7ec/0x4ec0 [ 268.612910] ? should_fail+0x22d/0xd01 [ 268.616816] ? mark_held_locks+0x130/0x130 [ 268.621057] ? mark_held_locks+0x130/0x130 [ 268.625296] ? kvm_clock_read+0x18/0x30 [ 268.629271] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.634284] ? ktime_get+0x2e1/0x440 [ 268.637997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.643535] ? graph_lock+0x170/0x170 [ 268.647337] ? print_usage_bug+0xc0/0xc0 [ 268.651409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.656951] ? check_preemption_disabled+0x48/0x200 [ 268.661965] ? check_preemption_disabled+0x48/0x200 [ 268.666992] ? __lock_is_held+0xb5/0x140 [ 268.671059] __alloc_pages_nodemask+0xa80/0xde0 [ 268.675730] ? graph_lock+0x170/0x170 [ 268.679537] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.684549] ? graph_lock+0x170/0x170 [ 268.688365] ? find_held_lock+0x36/0x1c0 [ 268.692450] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.697120] ? lock_downgrade+0x900/0x900 [ 268.701276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.706824] cache_grow_begin+0x91/0x8c0 [ 268.710897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.715313] fallback_alloc+0x203/0x2e0 [ 268.719295] ____cache_alloc_node+0x1c7/0x1e0 [ 268.723800] kmem_cache_alloc_node+0xe3/0x730 [ 268.728297] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.732543] __alloc_skb+0x119/0x770 [ 268.736263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.741548] ? skb_scrub_packet+0x490/0x490 [ 268.745870] ? lock_downgrade+0x900/0x900 [ 268.750042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.755578] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.761031] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.766485] ? addrconf_rs_timer+0x6f0/0x6f0 [ 268.770915] ndisc_alloc_skb+0x144/0x340 [ 268.774993] ndisc_send_rs+0x331/0x6e0 [ 268.778889] addrconf_rs_timer+0x3c0/0x6f0 [ 268.783139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.787407] call_timer_fn+0x272/0x920 [ 268.791301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.795542] ? process_timeout+0x40/0x40 [ 268.799603] ? find_held_lock+0x36/0x1c0 [ 268.803676] ? mark_held_locks+0xc7/0x130 [ 268.807828] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.812326] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.816820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.821057] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.825644] ? trace_hardirqs_on+0xbd/0x310 [ 268.829968] ? kasan_check_read+0x11/0x20 [ 268.834122] ? __run_timers+0x7da/0xc70 [ 268.838169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.843634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.847877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.852126] __run_timers+0x7e5/0xc70 [ 268.855943] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.861314] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.866334] ? graph_lock+0x170/0x170 [ 268.870139] ? print_usage_bug+0xc0/0xc0 [ 268.874196] ? lock_release+0x970/0x970 [ 268.878170] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.883367] ? find_held_lock+0x36/0x1c0 [ 268.887442] ? graph_lock+0x170/0x170 [ 268.891247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.896790] ? check_preemption_disabled+0x48/0x200 [ 268.901818] ? __lock_is_held+0xb5/0x140 [ 268.905882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.911439] ? check_preemption_disabled+0x48/0x200 [ 268.916471] run_timer_softirq+0x52/0xb0 [ 268.920566] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.925590] __do_softirq+0x30b/0xad8 [ 268.929428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.934541] ? pvclock_read_flags+0x160/0x160 [ 268.939036] ? lapic_next_event+0x5a/0x90 [ 268.943186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.948728] ? check_preemption_disabled+0x48/0x200 [ 268.953742] ? check_preemption_disabled+0x48/0x200 [ 268.958766] ? kvm_clock_read+0x18/0x30 [ 268.962745] ? kvm_sched_clock_read+0x9/0x20 [ 268.967155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.973043] ? check_preemption_disabled+0x48/0x200 [ 268.978077] irq_exit+0x17f/0x1c0 [ 268.981537] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.986378] ? smp_reschedule_interrupt+0x109/0x650 [ 268.991414] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.997303] ? interrupt_entry+0xb5/0xf0 [ 269.001365] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.006401] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.011426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.016272] ? trace_hardirqs_off+0x300/0x300 [ 269.020767] ? trace_hardirqs_off+0x300/0x300 [ 269.025262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.030803] ? check_preemption_disabled+0x48/0x200 [ 269.035822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.041392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.046247] apic_timer_interrupt+0xf/0x20 [ 269.050473] [ 269.052709] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 269.057984] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 269.076885] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 269.084602] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 269.091868] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 269.099167] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 269.106432] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 269.113698] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 269.120986] ? arch_local_irq_restore+0x45/0x52 [ 269.125666] dump_stack+0x26a/0x2b4 [ 269.129299] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.134517] ? mark_held_locks+0x130/0x130 [ 269.138753] ? mark_held_locks+0x130/0x130 [ 269.142996] dump_header+0x27b/0xf72 [ 269.146729] ? pagefault_out_of_memory+0x197/0x197 [ 269.151664] ? mark_held_locks+0x130/0x130 [ 269.155904] ? __lock_acquire+0x7ec/0x4ec0 [ 269.160143] ? mem_cgroup_charge_statistics+0x780/0x780 [ 269.165505] ? print_usage_bug+0xc0/0xc0 [ 269.169570] ? print_usage_bug+0xc0/0xc0 [ 269.173637] ? graph_lock+0x170/0x170 [ 269.177433] ? graph_lock+0x170/0x170 [ 269.181232] ? print_usage_bug+0xc0/0xc0 [ 269.185290] ? print_usage_bug+0xc0/0xc0 [ 269.189360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.194916] ? find_held_lock+0x36/0x1c0 [ 269.199262] ? mark_held_locks+0xc7/0x130 [ 269.203425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.208527] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.213635] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.218218] ? trace_hardirqs_on+0xbd/0x310 [ 269.222540] ? kasan_check_read+0x11/0x20 [ 269.226689] ? ___ratelimit+0x36f/0x655 [ 269.230665] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.236115] ? trace_hardirqs_on+0x310/0x310 [ 269.240528] ? lock_downgrade+0x900/0x900 [ 269.244685] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.249795] ? ___ratelimit+0xaa/0x655 [ 269.253684] ? idr_get_free+0xec0/0xec0 [ 269.257662] ? kasan_check_write+0x14/0x20 [ 269.261902] ? do_raw_spin_lock+0xc1/0x200 [ 269.266149] oom_kill_process.cold.27+0x10/0x903 [ 269.270911] ? graph_lock+0x170/0x170 [ 269.274714] ? _raw_spin_unlock+0x2c/0x50 [ 269.278860] ? oom_badness+0xe6/0xaa0 [ 269.282668] ? oom_evaluate_task+0x540/0x540 [ 269.287085] ? find_held_lock+0x36/0x1c0 [ 269.291153] ? out_of_memory+0x974/0x14c0 [ 269.295300] ? lock_downgrade+0x900/0x900 [ 269.299454] ? check_preemption_disabled+0x48/0x200 [ 269.304477] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.310275] ? kasan_check_read+0x11/0x20 [ 269.314438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.319715] ? rcu_bh_qs+0xc0/0xc0 [ 269.323260] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.328278] ? oom_evaluate_task+0x302/0x540 [ 269.332694] out_of_memory+0xa86/0x14c0 [ 269.336678] ? oom_killer_disable+0x3a0/0x3a0 [ 269.341175] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 269.346108] ? __mutex_add_waiter+0x2a0/0x2a0 [ 269.350616] __alloc_pages_slowpath+0x2318/0x2d80 [ 269.355496] ? warn_alloc+0x120/0x120 [ 269.359313] ? find_get_entry+0x2f2/0xc40 [ 269.363471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.369009] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 269.373937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.379477] ? should_fail+0x22d/0xd01 [ 269.383372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.388498] ? __lock_is_held+0xb5/0x140 [ 269.392590] ? __lock_is_held+0xb5/0x140 [ 269.396657] ? find_held_lock+0x36/0x1c0 [ 269.400722] ? ___might_sleep+0x1ed/0x300 [ 269.404868] ? lock_release+0x970/0x970 [ 269.408854] ? arch_local_save_flags+0x40/0x40 [ 269.413455] ? __might_sleep+0x95/0x190 [ 269.417442] __alloc_pages_nodemask+0xa80/0xde0 [ 269.422119] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.427139] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.432938] ? kasan_check_read+0x11/0x20 [ 269.437086] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.442370] ? graph_lock+0x170/0x170 [ 269.446188] ? print_usage_bug+0xc0/0xc0 [ 269.450254] ? graph_lock+0x170/0x170 [ 269.454052] ? graph_lock+0x170/0x170 [ 269.457859] ? __do_page_cache_readahead+0x7ce/0x980 [ 269.462974] ? find_held_lock+0x36/0x1c0 [ 269.467041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.472582] alloc_pages_current+0x10c/0x210 [ 269.476989] ? lock_downgrade+0x900/0x900 [ 269.481144] __page_cache_alloc+0x38f/0x5b0 [ 269.485465] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.491265] ? kasan_check_read+0x11/0x20 [ 269.495423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.500707] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 269.505376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.510928] ? check_preemption_disabled+0x48/0x200 [ 269.515957] filemap_fault+0x1594/0x25f0 [ 269.520032] ? __lock_page_or_retry+0xa00/0xa00 [ 269.524703] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.530499] ? kasan_check_read+0x11/0x20 [ 269.534647] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.539928] ? rcu_bh_qs+0xc0/0xc0 [ 269.543493] ? filemap_map_pages+0xdea/0x1980 [ 269.548008] ? find_get_pages_range_tag+0x1320/0x1320 [ 269.553200] ? do_raw_spin_lock+0xc1/0x200 [ 269.557436] ? graph_lock+0x170/0x170 [ 269.561245] ? futex_wait_setup+0x266/0x3e0 [ 269.565592] ? lock_acquire+0x1ed/0x520 [ 269.569571] ? ext4_filemap_fault+0x7a/0xad [ 269.573916] ? lock_release+0x970/0x970 [ 269.577898] ? arch_local_save_flags+0x40/0x40 [ 269.582486] ? futex_wait_setup+0x3e0/0x3e0 [ 269.586806] ? print_usage_bug+0xc0/0xc0 [ 269.590882] ? down_read+0xb0/0x1d0 [ 269.594516] ? ext4_filemap_fault+0x7a/0xad [ 269.598843] ? __down_interruptible+0x700/0x700 [ 269.603523] ? find_held_lock+0x36/0x1c0 [ 269.607590] ext4_filemap_fault+0x82/0xad [ 269.611743] __do_fault+0x100/0x6b0 [ 269.615377] ? lock_downgrade+0x900/0x900 [ 269.619536] ? print_bad_pte+0x6c0/0x6c0 [ 269.623598] ? do_futex+0x249/0x26d0 [ 269.627315] ? kasan_check_read+0x11/0x20 [ 269.631465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.635875] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 269.640469] ? add_mm_counter_fast+0xd0/0xd0 [ 269.644889] __handle_mm_fault+0x3709/0x53e0 [ 269.649315] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 269.654158] ? __fpu__restore_sig+0x62f/0x1680 [ 269.658740] ? graph_lock+0x170/0x170 [ 269.662545] ? print_usage_bug+0xc0/0xc0 [ 269.666607] ? graph_lock+0x170/0x170 [ 269.670414] ? graph_lock+0x170/0x170 [ 269.674224] ? graph_lock+0x170/0x170 [ 269.678045] ? handle_mm_fault+0x42a/0xc70 [ 269.682280] ? lock_downgrade+0x900/0x900 [ 269.686434] ? check_preemption_disabled+0x48/0x200 [ 269.691461] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.697258] ? kasan_check_read+0x11/0x20 [ 269.701415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.706699] ? rcu_bh_qs+0xc0/0xc0 [ 269.710243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.715695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.721266] ? check_preemption_disabled+0x48/0x200 [ 269.726292] handle_mm_fault+0x54f/0xc70 [ 269.730357] ? __handle_mm_fault+0x53e0/0x53e0 [ 269.734953] ? find_vma+0x34/0x190 [ 269.738504] __do_page_fault+0x67d/0xed0 [ 269.742575] ? mm_fault_error+0x380/0x380 [ 269.746721] ? trace_hardirqs_off+0xb8/0x300 [ 269.751136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.756499] ? trace_hardirqs_on+0x310/0x310 [ 269.760919] do_page_fault+0xf2/0x7e0 [ 269.764722] ? vmalloc_sync_all+0x30/0x30 [ 269.768880] ? error_entry+0x70/0xd0 [ 269.772602] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.777621] ? trace_hardirqs_on_caller+0xc0/0x300 [ 269.782550] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.787485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.792330] ? trace_hardirqs_off+0x300/0x300 [ 269.796826] ? trace_hardirqs_off_caller+0x300/0x300 [ 269.801932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.807474] ? prepare_exit_to_usermode+0x291/0x3b0 [ 269.812492] ? page_fault+0x8/0x30 [ 269.816036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.820885] ? page_fault+0x8/0x30 [ 269.824435] page_fault+0x1e/0x30 [ 269.827889] RIP: 0033:0x407e06 [ 269.831092] Code: Bad RIP value. [ 269.834451] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 269.839820] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 269.847118] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 269.854392] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 269.861676] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 269.868961] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 269.876261] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 269.876267] warn_alloc_show_mem: 1 callbacks suppressed [ 269.876274] Mem-Info: [ 269.883458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.888824] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 269.888824] active_file:16 inactive_file:17 isolated_file:1 [ 269.888824] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.888824] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 269.888824] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 269.888824] free:13718 free_pcp:223 free_cma:0 [ 269.891198] Call Trace: [ 269.900587] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.933431] [ 269.936003] Node 0 [ 269.963674] dump_stack+0x1c4/0x2b4 [ 269.965824] 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 [ 269.968038] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.971640] lowmem_reserve[]: [ 269.997152] warn_alloc.cold.118+0xb7/0x1bd [ 270.002296] 0 2817 [ 270.005415] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.009706] 6321 [ 270.011949] ? lock_downgrade+0x900/0x900 [ 270.016761] 6321 [ 270.018830] ? trace_hardirqs_off+0xb8/0x300 [ 270.022947] Node 0 [ 270.025003] ? trace_hardirqs_off+0xb8/0x300 [ 270.029418] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 270.031663] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.036039] lowmem_reserve[]: [ 270.062783] ? warn_alloc+0x120/0x120 [ 270.067589] 0 [ 270.070689] ? trace_hardirqs_on+0x310/0x310 [ 270.074455] 0 3503 [ 270.076263] ? warn_alloc+0x120/0x120 [ 270.080645] 3503 [ 270.082876] ? print_usage_bug+0xc0/0xc0 [ 270.088704] ? warn_alloc+0x120/0x120 [ 270.092739] Node 0 [ 270.096531] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.096568] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 270.098774] ? print_usage_bug+0xc0/0xc0 [ 270.103758] lowmem_reserve[]: 0 [ 270.132134] ? __lock_acquire+0x7ec/0x4ec0 [ 270.136170] 0 [ 270.139446] ? __lock_acquire+0x7ec/0x4ec0 [ 270.143650] 0 [ 270.145447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.149651] 0 [ 270.151458] ? should_fail+0x22d/0xd01 [ 270.156967] Node 0 [ 270.158763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.162617] DMA: 1*4kB [ 270.164858] ? __lock_acquire+0x7ec/0x4ec0 [ 270.169937] (U) [ 270.172517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.176718] 0*8kB 0*16kB [ 270.178700] ? __lock_acquire+0x7ec/0x4ec0 [ 270.183786] 1*32kB [ 270.186538] ? should_fail+0x22d/0xd01 [ 270.190741] (U) 2*64kB [ 270.192979] ? print_usage_bug+0xc0/0xc0 [ 270.196842] (U) [ 270.199434] ? mark_held_locks+0x130/0x130 [ 270.203463] 1*128kB [ 270.205432] ? mark_held_locks+0x130/0x130 [ 270.209639] (U) [ 270.211960] ? graph_lock+0x170/0x170 [ 270.216167] 1*256kB [ 270.218138] ? print_usage_bug+0xc0/0xc0 [ 270.221915] (U) [ 270.224236] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.228261] 0*512kB 1*1024kB [ 270.230244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.234970] (U) [ 270.238077] ? check_preemption_disabled+0x48/0x200 [ 270.243584] 1*2048kB (M) [ 270.245574] ? check_preemption_disabled+0x48/0x200 [ 270.250552] 3*4096kB (M) [ 270.253336] ? __lock_is_held+0xb5/0x140 [ 270.258310] = 15908kB [ 270.258318] Node 0 [ 270.261076] __alloc_pages_nodemask+0xa80/0xde0 [ 270.265107] DMA32: [ 270.267512] ? graph_lock+0x170/0x170 [ 270.269724] 2*4kB [ 270.274413] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.276620] (M) [ 270.280423] ? graph_lock+0x170/0x170 [ 270.282550] 0*8kB [ 270.287565] ? find_held_lock+0x36/0x1c0 [ 270.289513] 3*16kB [ 270.293312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.295430] (M) [ 270.299491] ? lock_downgrade+0x900/0x900 [ 270.301704] 1*32kB [ 270.306370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.308308] (M) 2*64kB [ 270.312459] cache_grow_begin+0x91/0x8c0 [ 270.314929] (M) 4*128kB [ 270.320479] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.323034] (UM) 3*256kB [ 270.327103] fallback_alloc+0x203/0x2e0 [ 270.329744] (UM) [ 270.334153] ____cache_alloc_node+0x1c7/0x1e0 [ 270.336884] 4*512kB [ 270.340853] kmem_cache_alloc_node+0xe3/0x730 [ 270.342890] (UM) [ 270.347389] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.349683] 3*1024kB (M) [ 270.354186] __alloc_skb+0x119/0x770 [ 270.356224] 3*2048kB [ 270.360458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.363187] (UM) [ 270.366978] ? skb_scrub_packet+0x490/0x490 [ 270.369365] 3*4096kB [ 270.374658] ? lock_downgrade+0x900/0x900 [ 270.376695] (M) [ 270.381016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.383400] = 25048kB [ 270.383408] Node 0 [ 270.387553] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.389505] Normal: [ 270.395039] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.397425] 865*4kB [ 270.399664] ? addrconf_rs_timer+0x6f0/0x6f0 [ 270.405086] (UMEH) [ 270.407425] ndisc_alloc_skb+0x144/0x340 [ 270.412830] 401*8kB (UMEH) [ 270.415160] ndisc_send_rs+0x331/0x6e0 [ 270.419622] 165*16kB (UMEH) [ 270.421865] addrconf_rs_timer+0x3c0/0x6f0 [ 270.425891] 83*32kB (UMEH) [ 270.428838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.432691] 31*64kB (UMH) [ 270.435722] call_timer_fn+0x272/0x920 [ 270.439924] 0*128kB 0*256kB [ 270.442859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.447559] 0*512kB 0*1024kB [ 270.450421] ? process_timeout+0x40/0x40 [ 270.454272] 0*2048kB 0*4096kB [ 270.457293] ? find_held_lock+0x36/0x1c0 [ 270.461498] = 13948kB [ 270.464601] ? __run_timers+0x7da/0xc70 [ 270.468639] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.471823] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.475869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.478266] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.482217] 413 total pagecache pages [ 270.491049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.495524] 0 pages in swap cache [ 270.504098] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.508569] Swap cache stats: add 0, delete 0, find 0/0 [ 270.508580] Free swap = 0kB [ 270.512372] ? trace_hardirqs_on+0xbd/0x310 [ 270.516581] Total swap = 0kB [ 270.516589] 1965979 pages RAM [ 270.520041] ? kasan_check_read+0x11/0x20 [ 270.524588] 0 pages HighMem/MovableOnly [ 270.524597] 342744 pages reserved [ 270.529956] ? __run_timers+0x7da/0xc70 [ 270.532945] 0 pages cma reserved [ 270.537264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.540321] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.543358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.547569] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.551451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.554880] syz-fuzzer cpuset= [ 270.558873] __run_timers+0x7e5/0xc70 [ 270.562213] / [ 270.567670] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.574129] mems_allowed=0 [ 270.578355] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.614720] ? graph_lock+0x170/0x170 [ 270.618533] ? enqueue_hrtimer+0x1a5/0x560 [ 270.622773] ? lock_release+0x970/0x970 [ 270.626751] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.631954] ? find_held_lock+0x36/0x1c0 [ 270.636024] ? graph_lock+0x170/0x170 [ 270.639847] ? pvclock_read_flags+0x160/0x160 [ 270.644378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.649940] ? check_preemption_disabled+0x48/0x200 [ 270.654977] ? __lock_is_held+0xb5/0x140 [ 270.659040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.664580] ? check_preemption_disabled+0x48/0x200 [ 270.669618] run_timer_softirq+0x52/0xb0 [ 270.673680] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.678712] __do_softirq+0x30b/0xad8 [ 270.682527] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.687640] ? pvclock_read_flags+0x160/0x160 [ 270.692137] ? lapic_next_event+0x5a/0x90 [ 270.696305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.701846] ? check_preemption_disabled+0x48/0x200 [ 270.706864] ? check_preemption_disabled+0x48/0x200 [ 270.711914] ? kvm_clock_read+0x18/0x30 [ 270.715895] ? kvm_sched_clock_read+0x9/0x20 [ 270.720318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.725869] ? check_preemption_disabled+0x48/0x200 [ 270.730913] irq_exit+0x17f/0x1c0 [ 270.734412] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.739285] ? smp_reschedule_interrupt+0x109/0x650 [ 270.744312] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.750214] ? interrupt_entry+0xb5/0xf0 [ 270.754369] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.759416] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.764444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.769298] ? trace_hardirqs_off+0x300/0x300 [ 270.773800] ? trace_hardirqs_off+0x300/0x300 [ 270.778303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.783844] ? check_preemption_disabled+0x48/0x200 [ 270.788860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.794441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.799304] apic_timer_interrupt+0xf/0x20 [ 270.803550] [ 270.805797] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 270.810731] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 270.829640] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 270.837374] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.844669] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 270.851954] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 270.859230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 270.866510] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 270.873848] skb_clone+0x1bb/0x500 [ 270.877417] ? finish_task_switch+0x1b5/0x900 [ 270.881925] ? skb_split+0x11e0/0x11e0 [ 270.885827] ? preempt_notifier_register+0x200/0x200 [ 270.890935] ? __switch_to_asm+0x34/0x70 [ 270.895028] ? __switch_to_asm+0x34/0x70 [ 270.899091] ? __switch_to_asm+0x40/0x70 [ 270.903149] ? __switch_to_asm+0x34/0x70 [ 270.907208] ? __switch_to_asm+0x40/0x70 [ 270.911272] ? __switch_to_asm+0x34/0x70 [ 270.915332] ? __switch_to_asm+0x40/0x70 [ 270.919407] ? __switch_to_asm+0x34/0x70 [ 270.923477] ? __switch_to_asm+0x34/0x70 [ 270.927540] ? __switch_to_asm+0x40/0x70 [ 270.931600] ? __switch_to_asm+0x34/0x70 [ 270.935678] bpf_clone_redirect+0xb9/0x490 [ 270.939917] ? __schedule+0x874/0x1ed0 [ 270.943818] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 270.948847] ? __sched_text_start+0x8/0x8 [ 270.952997] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.957769] ? find_held_lock+0x36/0x1c0 [ 270.961840] ? lock_acquire+0x1ed/0x520 [ 270.965818] ? bpf_test_run+0x32e/0x5a0 [ 270.969800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.975341] ? check_preemption_disabled+0x48/0x200 [ 270.980370] ? kasan_check_read+0x11/0x20 [ 270.984534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.989816] ? rcu_bh_qs+0xc0/0xc0 [ 270.993362] ? preempt_schedule+0x4d/0x60 [ 270.997529] ? ___preempt_schedule+0x16/0x18 [ 271.001949] ? bpf_test_run+0x1c0/0x5a0 [ 271.005953] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.010388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.015936] ? bpf_test_init.isra.9+0x70/0x100 [ 271.020530] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.025294] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.030139] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.035677] ? fput+0x130/0x1a0 [ 271.038965] ? __bpf_prog_get+0x9b/0x290 [ 271.043032] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.047876] ? bpf_prog_test_run+0x130/0x1a0 [ 271.052292] ? __x64_sys_bpf+0x3d8/0x510 [ 271.056352] ? bpf_prog_get+0x20/0x20 [ 271.060175] ? ksys_ioctl+0x81/0xd0 [ 271.063813] ? do_syscall_64+0x1b9/0x820 [ 271.067878] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.073246] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.078181] ? trace_hardirqs_off+0x300/0x300 [ 271.082696] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.087712] ? recalc_sigpending_tsk+0x180/0x180 [ 271.092473] ? kasan_check_write+0x14/0x20 [ 271.096720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.101579] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.106965] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 271.107036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.113891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.113902] Call Trace: [ 271.120498] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.129725] [ 271.132292] syz-executor0 cpuset= [ 271.142771] dump_stack+0x1c4/0x2b4 [ 271.144894] syz0 mems_allowed=0 [ 271.148344] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.160410] warn_alloc.cold.118+0xb7/0x1bd [ 271.164742] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.169593] ? lock_downgrade+0x900/0x900 [ 271.173753] ? trace_hardirqs_off+0xb8/0x300 [ 271.178202] ? trace_hardirqs_off+0xb8/0x300 [ 271.182623] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.187505] ? warn_alloc+0x120/0x120 [ 271.191310] ? trace_hardirqs_on+0x310/0x310 [ 271.195725] ? warn_alloc+0x120/0x120 [ 271.199557] ? print_usage_bug+0xc0/0xc0 [ 271.203644] ? warn_alloc+0x120/0x120 [ 271.207455] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 271.212477] ? print_usage_bug+0xc0/0xc0 [ 271.216549] ? __lock_acquire+0x7ec/0x4ec0 [ 271.220783] ? __lock_acquire+0x7ec/0x4ec0 [ 271.225033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.230578] ? should_fail+0x22d/0xd01 [ 271.234479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.239588] ? __lock_acquire+0x7ec/0x4ec0 [ 271.243830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.248935] ? __lock_acquire+0x7ec/0x4ec0 [ 271.253170] ? should_fail+0x22d/0xd01 [ 271.257071] ? print_usage_bug+0xc0/0xc0 [ 271.261145] ? mark_held_locks+0x130/0x130 [ 271.265391] ? mark_held_locks+0x130/0x130 [ 271.269640] ? graph_lock+0x170/0x170 [ 271.273451] ? print_usage_bug+0xc0/0xc0 [ 271.277518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.282281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.287824] ? check_preemption_disabled+0x48/0x200 [ 271.292847] ? check_preemption_disabled+0x48/0x200 [ 271.297882] ? __lock_is_held+0xb5/0x140 [ 271.301963] __alloc_pages_nodemask+0xa80/0xde0 [ 271.306633] ? graph_lock+0x170/0x170 [ 271.310444] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.315468] ? graph_lock+0x170/0x170 [ 271.319279] ? find_held_lock+0x36/0x1c0 [ 271.323353] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.328031] ? lock_downgrade+0x900/0x900 [ 271.332192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.337743] cache_grow_begin+0x91/0x8c0 [ 271.341810] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.346227] fallback_alloc+0x203/0x2e0 [ 271.350225] ____cache_alloc_node+0x1c7/0x1e0 [ 271.354729] kmem_cache_alloc_node+0xe3/0x730 [ 271.359228] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.363476] __alloc_skb+0x119/0x770 [ 271.367196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.372484] ? skb_scrub_packet+0x490/0x490 [ 271.376830] ? lock_downgrade+0x900/0x900 [ 271.380994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.386541] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.392000] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.397455] ? addrconf_rs_timer+0x6f0/0x6f0 [ 271.401887] ndisc_alloc_skb+0x144/0x340 [ 271.405965] ndisc_send_rs+0x331/0x6e0 [ 271.409863] addrconf_rs_timer+0x3c0/0x6f0 [ 271.414127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.418380] call_timer_fn+0x272/0x920 [ 271.422304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.426561] ? process_timeout+0x40/0x40 [ 271.430627] ? find_held_lock+0x36/0x1c0 [ 271.434701] ? mark_held_locks+0xc7/0x130 [ 271.438855] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.443351] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.447857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.452098] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.456686] ? trace_hardirqs_on+0xbd/0x310 [ 271.461018] ? kasan_check_read+0x11/0x20 [ 271.465176] ? __run_timers+0x7da/0xc70 [ 271.469160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.474624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.478871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.483116] __run_timers+0x7e5/0xc70 [ 271.486946] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.492329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.497364] ? graph_lock+0x170/0x170 [ 271.501212] ? print_usage_bug+0xc0/0xc0 [ 271.505290] ? lock_release+0x970/0x970 [ 271.509271] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.514475] ? find_held_lock+0x36/0x1c0 [ 271.518545] ? graph_lock+0x170/0x170 [ 271.522356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.527915] ? check_preemption_disabled+0x48/0x200 [ 271.532954] ? __lock_is_held+0xb5/0x140 [ 271.537018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.542558] ? check_preemption_disabled+0x48/0x200 [ 271.547591] run_timer_softirq+0x52/0xb0 [ 271.551659] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.556679] __do_softirq+0x30b/0xad8 [ 271.560496] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.565613] ? pvclock_read_flags+0x160/0x160 [ 271.570120] ? lapic_next_event+0x5a/0x90 [ 271.574271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.579815] ? check_preemption_disabled+0x48/0x200 [ 271.584837] ? check_preemption_disabled+0x48/0x200 [ 271.589866] ? kvm_clock_read+0x18/0x30 [ 271.593844] ? kvm_sched_clock_read+0x9/0x20 [ 271.598261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.603824] ? check_preemption_disabled+0x48/0x200 [ 271.608854] irq_exit+0x17f/0x1c0 [ 271.612315] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.617156] ? smp_reschedule_interrupt+0x109/0x650 [ 271.622175] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.628062] ? interrupt_entry+0xb5/0xf0 [ 271.632132] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.637149] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.642166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.647015] ? trace_hardirqs_off+0x300/0x300 [ 271.651512] ? trace_hardirqs_off+0x300/0x300 [ 271.656013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.661559] ? check_preemption_disabled+0x48/0x200 [ 271.666581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.672153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.677014] apic_timer_interrupt+0xf/0x20 [ 271.681247] [ 271.683489] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 271.688771] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 271.707684] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 271.715420] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 271.722696] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 271.729971] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 271.737247] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 271.744521] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 271.751820] ? arch_local_irq_restore+0x45/0x52 [ 271.756501] dump_stack+0x26a/0x2b4 [ 271.760132] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.765334] ? mark_held_locks+0x130/0x130 [ 271.769568] ? mark_held_locks+0x130/0x130 [ 271.773813] dump_header+0x27b/0xf72 [ 271.777540] ? pagefault_out_of_memory+0x197/0x197 [ 271.782479] ? mark_held_locks+0x130/0x130 [ 271.786724] ? __lock_acquire+0x7ec/0x4ec0 [ 271.790970] ? mem_cgroup_charge_statistics+0x780/0x780 [ 271.796340] ? print_usage_bug+0xc0/0xc0 [ 271.800416] ? print_usage_bug+0xc0/0xc0 [ 271.804493] ? graph_lock+0x170/0x170 [ 271.808300] ? graph_lock+0x170/0x170 [ 271.812102] ? print_usage_bug+0xc0/0xc0 [ 271.816163] ? print_usage_bug+0xc0/0xc0 [ 271.820238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.825787] ? find_held_lock+0x36/0x1c0 [ 271.829857] ? mark_held_locks+0xc7/0x130 [ 271.834013] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.839118] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.844223] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.848812] ? trace_hardirqs_on+0xbd/0x310 [ 271.853311] ? kasan_check_read+0x11/0x20 [ 271.857466] ? ___ratelimit+0x36f/0x655 [ 271.861443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.866903] ? trace_hardirqs_on+0x310/0x310 [ 271.871314] ? lock_downgrade+0x900/0x900 [ 271.875469] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.880578] ? ___ratelimit+0xaa/0x655 [ 271.884474] ? idr_get_free+0xec0/0xec0 [ 271.888457] ? kasan_check_write+0x14/0x20 [ 271.892697] ? do_raw_spin_lock+0xc1/0x200 [ 271.896942] oom_kill_process.cold.27+0x10/0x903 [ 271.901703] ? graph_lock+0x170/0x170 [ 271.905513] ? _raw_spin_unlock+0x2c/0x50 [ 271.909667] ? oom_badness+0xe6/0xaa0 [ 271.913480] ? oom_evaluate_task+0x540/0x540 [ 271.917899] ? find_held_lock+0x36/0x1c0 [ 271.921972] ? out_of_memory+0x974/0x14c0 [ 271.926120] ? lock_downgrade+0x900/0x900 [ 271.930275] ? check_preemption_disabled+0x48/0x200 [ 271.935299] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 271.941103] ? kasan_check_read+0x11/0x20 [ 271.945256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.950537] ? rcu_bh_qs+0xc0/0xc0 [ 271.954087] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.959105] ? oom_evaluate_task+0x302/0x540 [ 271.963517] out_of_memory+0xa86/0x14c0 [ 271.967506] ? oom_killer_disable+0x3a0/0x3a0 [ 271.972006] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 271.976942] ? __mutex_add_waiter+0x2a0/0x2a0 [ 271.981452] __alloc_pages_slowpath+0x2318/0x2d80 [ 271.986328] ? warn_alloc+0x120/0x120 [ 271.990170] ? find_get_entry+0x2f2/0xc40 [ 271.994333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.999875] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 272.004813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.010402] ? should_fail+0x22d/0xd01 [ 272.014300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.019504] ? __lock_is_held+0xb5/0x140 [ 272.023596] ? __lock_is_held+0xb5/0x140 [ 272.027670] ? find_held_lock+0x36/0x1c0 [ 272.031734] ? ___might_sleep+0x1ed/0x300 [ 272.035883] ? lock_release+0x970/0x970 [ 272.039862] ? arch_local_save_flags+0x40/0x40 [ 272.044464] ? __might_sleep+0x95/0x190 [ 272.048445] __alloc_pages_nodemask+0xa80/0xde0 [ 272.053126] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.058149] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.063952] ? kasan_check_read+0x11/0x20 [ 272.068104] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.073396] ? graph_lock+0x170/0x170 [ 272.077200] ? print_usage_bug+0xc0/0xc0 [ 272.081267] ? graph_lock+0x170/0x170 [ 272.085067] ? graph_lock+0x170/0x170 [ 272.088868] ? __do_page_cache_readahead+0x7ce/0x980 [ 272.093984] ? find_held_lock+0x36/0x1c0 [ 272.098053] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.103596] alloc_pages_current+0x10c/0x210 [ 272.108008] ? lock_downgrade+0x900/0x900 [ 272.112167] __page_cache_alloc+0x38f/0x5b0 [ 272.116491] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.122286] ? kasan_check_read+0x11/0x20 [ 272.126437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.131721] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 272.136400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.141945] ? check_preemption_disabled+0x48/0x200 [ 272.146972] filemap_fault+0x1594/0x25f0 [ 272.151054] ? __lock_page_or_retry+0xa00/0xa00 [ 272.155745] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.161547] ? kasan_check_read+0x11/0x20 [ 272.165701] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.170980] ? rcu_bh_qs+0xc0/0xc0 [ 272.174538] ? filemap_map_pages+0xdea/0x1980 [ 272.179057] ? find_get_pages_range_tag+0x1320/0x1320 [ 272.184253] ? do_raw_spin_lock+0xc1/0x200 [ 272.188488] ? graph_lock+0x170/0x170 [ 272.192318] ? futex_wait_setup+0x266/0x3e0 [ 272.196668] ? lock_acquire+0x1ed/0x520 [ 272.200644] ? ext4_filemap_fault+0x7a/0xad [ 272.204978] ? lock_release+0x970/0x970 [ 272.208958] ? arch_local_save_flags+0x40/0x40 [ 272.213555] ? futex_wait_setup+0x3e0/0x3e0 [ 272.217878] ? print_usage_bug+0xc0/0xc0 [ 272.221957] ? down_read+0xb0/0x1d0 [ 272.225584] ? ext4_filemap_fault+0x7a/0xad [ 272.229917] ? __down_interruptible+0x700/0x700 [ 272.234605] ? find_held_lock+0x36/0x1c0 [ 272.238673] ext4_filemap_fault+0x82/0xad [ 272.242826] __do_fault+0x100/0x6b0 [ 272.246455] ? lock_downgrade+0x900/0x900 [ 272.250607] ? print_bad_pte+0x6c0/0x6c0 [ 272.254668] ? do_futex+0x249/0x26d0 [ 272.258399] ? kasan_check_read+0x11/0x20 [ 272.262549] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.266963] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 272.271549] ? add_mm_counter_fast+0xd0/0xd0 [ 272.275985] __handle_mm_fault+0x3709/0x53e0 [ 272.280420] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 272.285264] ? __fpu__restore_sig+0x62f/0x1680 [ 272.289848] ? graph_lock+0x170/0x170 [ 272.293651] ? print_usage_bug+0xc0/0xc0 [ 272.297712] ? graph_lock+0x170/0x170 [ 272.301529] ? graph_lock+0x170/0x170 [ 272.305331] ? graph_lock+0x170/0x170 [ 272.309153] ? handle_mm_fault+0x42a/0xc70 [ 272.313717] ? lock_downgrade+0x900/0x900 [ 272.317873] ? check_preemption_disabled+0x48/0x200 [ 272.322912] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.328716] ? kasan_check_read+0x11/0x20 [ 272.332873] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.338162] ? rcu_bh_qs+0xc0/0xc0 [ 272.341703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.347158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.352954] ? check_preemption_disabled+0x48/0x200 [ 272.357982] handle_mm_fault+0x54f/0xc70 [ 272.362051] ? __handle_mm_fault+0x53e0/0x53e0 [ 272.366636] ? find_vma+0x34/0x190 [ 272.370191] __do_page_fault+0x67d/0xed0 [ 272.374263] ? mm_fault_error+0x380/0x380 [ 272.378417] ? trace_hardirqs_off+0xb8/0x300 [ 272.382832] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.388196] ? trace_hardirqs_on+0x310/0x310 [ 272.392615] do_page_fault+0xf2/0x7e0 [ 272.396435] ? vmalloc_sync_all+0x30/0x30 [ 272.400588] ? error_entry+0x70/0xd0 [ 272.404308] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.409329] ? trace_hardirqs_on_caller+0xc0/0x300 [ 272.414264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.419197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.424045] ? trace_hardirqs_off+0x300/0x300 [ 272.428547] ? trace_hardirqs_off_caller+0x300/0x300 [ 272.433679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.439222] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.444239] ? page_fault+0x8/0x30 [ 272.448266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.453114] ? page_fault+0x8/0x30 [ 272.456661] page_fault+0x1e/0x30 [ 272.460112] RIP: 0033:0x407e06 [ 272.463311] Code: Bad RIP value. [ 272.466673] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 272.472043] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 272.479311] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 272.486582] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 272.493847] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 272.501115] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 272.508424] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 272.508429] warn_alloc_show_mem: 1 callbacks suppressed [ 272.508436] Mem-Info: [ 272.515620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.515628] Call Trace: [ 272.521002] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 272.521002] active_file:16 inactive_file:17 isolated_file:1 [ 272.521002] unevictable:0 dirty:0 writeback:0 unstable:0 [ 272.521002] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 272.521002] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 272.521002] free:13718 free_pcp:223 free_cma:0 [ 272.523377] [ 272.532748] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.535328] dump_stack+0x1c4/0x2b4 [ 272.568188] Node 0 [ 272.570348] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.598035] 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 [ 272.601658] warn_alloc.cold.118+0xb7/0x1bd [ 272.603861] lowmem_reserve[]: [ 272.609061] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.634549] 0 [ 272.638876] ? lock_downgrade+0x900/0x900 [ 272.641948] 2817 [ 272.646794] ? trace_hardirqs_off+0xb8/0x300 [ 272.648561] 6321 [ 272.652701] ? trace_hardirqs_off+0xb8/0x300 [ 272.654729] 6321 [ 272.659142] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.661175] Node 0 [ 272.665599] ? warn_alloc+0x120/0x120 [ 272.667634] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 272.672443] ? trace_hardirqs_on+0x310/0x310 [ 272.674648] lowmem_reserve[]: 0 [ 272.678453] ? warn_alloc+0x120/0x120 [ 272.705136] 0 3503 [ 272.709574] ? print_usage_bug+0xc0/0xc0 [ 272.712817] 3503 [ 272.716618] ? warn_alloc+0x120/0x120 [ 272.718825] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 272.722899] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.724933] lowmem_reserve[]: 0 [ 272.728737] ? print_usage_bug+0xc0/0xc0 [ 272.757691] 0 [ 272.762705] ? __lock_acquire+0x7ec/0x4ec0 [ 272.765955] 0 [ 272.770008] ? __lock_acquire+0x7ec/0x4ec0 [ 272.771779] 0 [ 272.776016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.777806] Node 0 [ 272.782037] ? should_fail+0x22d/0xd01 [ 272.783810] DMA: [ 272.789339] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.791552] 1*4kB [ 272.795436] ? __lock_acquire+0x7ec/0x4ec0 [ 272.797471] (U) [ 272.802568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.804694] 0*8kB [ 272.808938] ? __lock_acquire+0x7ec/0x4ec0 [ 272.810884] 0*16kB 1*32kB [ 272.815988] ? should_fail+0x22d/0xd01 [ 272.818107] (U) 2*64kB [ 272.822347] ? print_usage_bug+0xc0/0xc0 [ 272.825162] (U) [ 272.829049] ? mark_held_locks+0x130/0x130 [ 272.831602] 1*128kB [ 272.835653] ? mark_held_locks+0x130/0x130 [ 272.837603] (U) [ 272.841834] ? graph_lock+0x170/0x170 [ 272.844132] 1*256kB [ 272.848356] ? print_usage_bug+0xc0/0xc0 [ 272.850302] (U) 0*512kB [ 272.854105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.856404] 1*1024kB (U) [ 272.860467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.863108] 1*2048kB (M) [ 272.867870] ? check_preemption_disabled+0x48/0x200 [ 272.870595] 3*4096kB (M) [ 272.876142] ? check_preemption_disabled+0x48/0x200 [ 272.878884] = 15908kB [ 272.883927] ? __lock_is_held+0xb5/0x140 [ 272.886665] Node 0 [ 272.891692] __alloc_pages_nodemask+0xa80/0xde0 [ 272.894074] DMA32: 2*4kB [ 272.898161] ? graph_lock+0x170/0x170 [ 272.900370] (M) [ 272.905052] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.907783] 0*8kB [ 272.911574] ? graph_lock+0x170/0x170 [ 272.913526] 3*16kB [ 272.918542] ? find_held_lock+0x36/0x1c0 [ 272.920658] (M) [ 272.924455] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.926654] 1*32kB (M) [ 272.930715] ? lock_downgrade+0x900/0x900 [ 272.932665] 2*64kB [ 272.937331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.939876] (M) 4*128kB [ 272.944027] cache_grow_begin+0x91/0x8c0 [ 272.946230] (UM) 3*256kB [ 272.951772] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.954418] (UM) [ 272.958480] fallback_alloc+0x203/0x2e0 [ 272.961205] 4*512kB (UM) [ 272.965618] ____cache_alloc_node+0x1c7/0x1e0 [ 272.967651] 3*1024kB (M) [ 272.971628] kmem_cache_alloc_node+0xe3/0x730 [ 272.974356] 3*2048kB (UM) [ 272.978867] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.981613] 3*4096kB (M) [ 272.986114] __alloc_skb+0x119/0x770 [ 272.988932] = 25048kB [ 272.993162] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.995890] Node 0 [ 272.999596] ? skb_scrub_packet+0x490/0x490 [ 273.001995] Normal: [ 273.007277] ? lock_downgrade+0x900/0x900 [ 273.009487] 865*4kB [ 273.013806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.016101] (UMEH) [ 273.020244] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.022543] 401*8kB [ 273.028073] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.030288] (UMEH) [ 273.035732] ? addrconf_rs_timer+0x6f0/0x6f0 [ 273.038026] 165*16kB (UMEH) [ 273.043500] ndisc_alloc_skb+0x144/0x340 [ 273.045699] 83*32kB (UMEH) [ 273.050110] ndisc_send_rs+0x331/0x6e0 [ 273.053099] 31*64kB (UMH) [ 273.057163] addrconf_rs_timer+0x3c0/0x6f0 [ 273.060063] 0*128kB 0*256kB [ 273.063958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.066773] 0*512kB [ 273.071009] call_timer_fn+0x272/0x920 [ 273.073986] 0*1024kB 0*2048kB [ 273.078223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.080521] 0*4096kB = 13948kB [ 273.084428] ? process_timeout+0x40/0x40 [ 273.087599] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.091818] ? find_held_lock+0x36/0x1c0 [ 273.091842] ? __run_timers+0x7da/0xc70 [ 273.095013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.099064] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.107872] 413 total pagecache pages [ 273.111924] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.115879] 0 pages in swap cache [ 273.124442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.128909] Swap cache stats: add 0, delete 0, find 0/0 [ 273.128918] Free swap = 0kB [ 273.132717] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.137184] Total swap = 0kB [ 273.140630] ? trace_hardirqs_on+0xbd/0x310 [ 273.144839] 1965979 pages RAM [ 273.150197] ? kasan_check_read+0x11/0x20 [ 273.153181] 0 pages HighMem/MovableOnly [ 273.153190] 342744 pages reserved [ 273.157771] ? __run_timers+0x7da/0xc70 [ 273.160764] 0 pages cma reserved [ 273.165079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.168219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.172298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.176352] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.179694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.183644] syz-fuzzer cpuset= [ 273.187106] __run_timers+0x7e5/0xc70 [ 273.192527] / [ 273.199026] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.203221] mems_allowed=0 [ 273.234619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.239641] ? graph_lock+0x170/0x170 [ 273.243455] ? enqueue_hrtimer+0x1a5/0x560 [ 273.247691] ? lock_release+0x970/0x970 [ 273.251675] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.256875] ? find_held_lock+0x36/0x1c0 [ 273.260942] ? graph_lock+0x170/0x170 [ 273.264745] ? pvclock_read_flags+0x160/0x160 [ 273.269255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.274804] ? check_preemption_disabled+0x48/0x200 [ 273.279859] ? __lock_is_held+0xb5/0x140 [ 273.283927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.289471] ? check_preemption_disabled+0x48/0x200 [ 273.294498] run_timer_softirq+0x52/0xb0 [ 273.298563] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.303590] __do_softirq+0x30b/0xad8 [ 273.307419] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.312557] ? pvclock_read_flags+0x160/0x160 [ 273.317056] ? lapic_next_event+0x5a/0x90 [ 273.321205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.326743] ? check_preemption_disabled+0x48/0x200 [ 273.331761] ? check_preemption_disabled+0x48/0x200 [ 273.336811] ? kvm_clock_read+0x18/0x30 [ 273.340791] ? kvm_sched_clock_read+0x9/0x20 [ 273.345203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.350744] ? check_preemption_disabled+0x48/0x200 [ 273.356473] irq_exit+0x17f/0x1c0 [ 273.359932] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.364778] ? smp_reschedule_interrupt+0x109/0x650 [ 273.369801] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.375691] ? interrupt_entry+0xb5/0xf0 [ 273.379754] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.384772] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.389797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.394646] ? trace_hardirqs_off+0x300/0x300 [ 273.399148] ? trace_hardirqs_off+0x300/0x300 [ 273.403658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.409208] ? check_preemption_disabled+0x48/0x200 [ 273.414232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.419782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.424645] apic_timer_interrupt+0xf/0x20 [ 273.428880] [ 273.431128] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.436084] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 273.455013] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 273.462728] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.469997] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 273.477267] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 273.484537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.491812] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.499133] skb_clone+0x1bb/0x500 [ 273.502678] ? finish_task_switch+0x1b5/0x900 [ 273.507176] ? skb_split+0x11e0/0x11e0 [ 273.511071] ? preempt_notifier_register+0x200/0x200 [ 273.516179] ? __switch_to_asm+0x34/0x70 [ 273.520242] ? __switch_to_asm+0x34/0x70 [ 273.524309] ? __switch_to_asm+0x40/0x70 [ 273.528374] ? __switch_to_asm+0x34/0x70 [ 273.532447] ? __switch_to_asm+0x40/0x70 [ 273.536508] ? __switch_to_asm+0x34/0x70 [ 273.540568] ? __switch_to_asm+0x40/0x70 [ 273.544631] ? __switch_to_asm+0x34/0x70 [ 273.548702] ? __switch_to_asm+0x34/0x70 [ 273.552763] ? __switch_to_asm+0x40/0x70 [ 273.556822] ? __switch_to_asm+0x34/0x70 [ 273.560904] bpf_clone_redirect+0xb9/0x490 [ 273.565146] ? __schedule+0x874/0x1ed0 [ 273.569044] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 273.574095] ? __sched_text_start+0x8/0x8 [ 273.578245] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.583037] ? find_held_lock+0x36/0x1c0 [ 273.587120] ? lock_acquire+0x1ed/0x520 [ 273.591103] ? bpf_test_run+0x32e/0x5a0 [ 273.595085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.600638] ? check_preemption_disabled+0x48/0x200 [ 273.605692] ? kasan_check_read+0x11/0x20 [ 273.609850] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.615131] ? rcu_bh_qs+0xc0/0xc0 [ 273.618701] ? preempt_schedule+0x4d/0x60 [ 273.622853] ? ___preempt_schedule+0x16/0x18 [ 273.627276] ? bpf_test_run+0x1c0/0x5a0 [ 273.631262] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.635676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.641215] ? bpf_test_init.isra.9+0x70/0x100 [ 273.645805] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.650572] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.655429] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.660968] ? fput+0x130/0x1a0 [ 273.664252] ? __bpf_prog_get+0x9b/0x290 [ 273.668341] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.673183] ? bpf_prog_test_run+0x130/0x1a0 [ 273.677598] ? __x64_sys_bpf+0x3d8/0x510 [ 273.681662] ? bpf_prog_get+0x20/0x20 [ 273.685474] ? ksys_ioctl+0x81/0xd0 [ 273.689127] ? do_syscall_64+0x1b9/0x820 [ 273.693191] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.698570] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.703508] ? trace_hardirqs_off+0x300/0x300 [ 273.708027] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.713049] ? recalc_sigpending_tsk+0x180/0x180 [ 273.717859] ? kasan_check_write+0x14/0x20 [ 273.722195] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.727051] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.732451] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 273.732522] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.739399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.739406] Call Trace: [ 273.739412] [ 273.739434] dump_stack+0x1c4/0x2b4 [ 273.739448] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.739475] warn_alloc.cold.118+0xb7/0x1bd [ 273.739493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.746082] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.755342] ? lock_downgrade+0x900/0x900 [ 273.757907] syz-executor0 cpuset= [ 273.760077] ? trace_hardirqs_off+0xb8/0x300 [ 273.763675] syz0 [ 273.768867] ? trace_hardirqs_off+0xb8/0x300 [ 273.773165] mems_allowed=0 [ 273.778006] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.814610] ? warn_alloc+0x120/0x120 [ 273.818426] ? trace_hardirqs_on+0x310/0x310 [ 273.822836] ? warn_alloc+0x120/0x120 [ 273.826646] ? print_usage_bug+0xc0/0xc0 [ 273.830731] ? warn_alloc+0x120/0x120 [ 273.834539] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.839559] ? print_usage_bug+0xc0/0xc0 [ 273.843637] ? __lock_acquire+0x7ec/0x4ec0 [ 273.847879] ? __lock_acquire+0x7ec/0x4ec0 [ 273.852129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.857676] ? should_fail+0x22d/0xd01 [ 273.861576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.866686] ? __lock_acquire+0x7ec/0x4ec0 [ 273.870932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.876036] ? __lock_acquire+0x7ec/0x4ec0 [ 273.880271] ? should_fail+0x22d/0xd01 [ 273.884158] ? print_usage_bug+0xc0/0xc0 [ 273.888233] ? mark_held_locks+0x130/0x130 [ 273.892474] ? mark_held_locks+0x130/0x130 [ 273.896737] ? graph_lock+0x170/0x170 [ 273.900542] ? print_usage_bug+0xc0/0xc0 [ 273.904622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.909397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.914942] ? check_preemption_disabled+0x48/0x200 [ 273.919967] ? check_preemption_disabled+0x48/0x200 [ 273.925008] ? __lock_is_held+0xb5/0x140 [ 273.929085] __alloc_pages_nodemask+0xa80/0xde0 [ 273.933763] ? graph_lock+0x170/0x170 [ 273.937581] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.942616] ? graph_lock+0x170/0x170 [ 273.946442] ? find_held_lock+0x36/0x1c0 [ 273.950519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.955191] ? lock_downgrade+0x900/0x900 [ 273.959350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.964912] cache_grow_begin+0x91/0x8c0 [ 273.968982] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.973412] fallback_alloc+0x203/0x2e0 [ 273.977409] ____cache_alloc_node+0x1c7/0x1e0 [ 273.981923] kmem_cache_alloc_node+0xe3/0x730 [ 273.986428] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.990676] __alloc_skb+0x119/0x770 [ 273.994429] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.999713] ? skb_scrub_packet+0x490/0x490 [ 274.004041] ? lock_downgrade+0x900/0x900 [ 274.008206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.013747] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.019204] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.024666] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.029099] ndisc_alloc_skb+0x144/0x340 [ 274.033176] ndisc_send_rs+0x331/0x6e0 [ 274.037073] addrconf_rs_timer+0x3c0/0x6f0 [ 274.041318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.045570] call_timer_fn+0x272/0x920 [ 274.049465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.053704] ? process_timeout+0x40/0x40 [ 274.057765] ? find_held_lock+0x36/0x1c0 [ 274.061858] ? mark_held_locks+0xc7/0x130 [ 274.066014] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.070511] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.075019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.079259] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.083851] ? trace_hardirqs_on+0xbd/0x310 [ 274.088179] ? kasan_check_read+0x11/0x20 [ 274.092346] ? __run_timers+0x7da/0xc70 [ 274.096327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.101786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.106031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.110269] __run_timers+0x7e5/0xc70 [ 274.114091] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.119461] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.124479] ? graph_lock+0x170/0x170 [ 274.128284] ? print_usage_bug+0xc0/0xc0 [ 274.132345] ? lock_release+0x970/0x970 [ 274.136321] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.141523] ? find_held_lock+0x36/0x1c0 [ 274.145595] ? graph_lock+0x170/0x170 [ 274.149410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.154953] ? check_preemption_disabled+0x48/0x200 [ 274.159983] ? __lock_is_held+0xb5/0x140 [ 274.164045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.169586] ? check_preemption_disabled+0x48/0x200 [ 274.174615] run_timer_softirq+0x52/0xb0 [ 274.178676] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.183696] __do_softirq+0x30b/0xad8 [ 274.187514] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.192634] ? pvclock_read_flags+0x160/0x160 [ 274.197133] ? lapic_next_event+0x5a/0x90 [ 274.201282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.206822] ? check_preemption_disabled+0x48/0x200 [ 274.211840] ? check_preemption_disabled+0x48/0x200 [ 274.216865] ? kvm_clock_read+0x18/0x30 [ 274.220847] ? kvm_sched_clock_read+0x9/0x20 [ 274.225258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.230801] ? check_preemption_disabled+0x48/0x200 [ 274.235836] irq_exit+0x17f/0x1c0 [ 274.239295] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.244141] ? smp_reschedule_interrupt+0x109/0x650 [ 274.249164] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.255048] ? interrupt_entry+0xb5/0xf0 [ 274.259113] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.264132] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.269153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.273995] ? trace_hardirqs_off+0x300/0x300 [ 274.278490] ? trace_hardirqs_off+0x300/0x300 [ 274.282989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.288535] ? check_preemption_disabled+0x48/0x200 [ 274.293549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.299097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.303955] apic_timer_interrupt+0xf/0x20 [ 274.308183] [ 274.310427] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 274.315975] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 274.334882] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 274.342605] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 274.349875] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 274.357148] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 274.364415] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 274.371682] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 274.378976] ? arch_local_irq_restore+0x45/0x52 [ 274.383658] dump_stack+0x26a/0x2b4 [ 274.387294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.392493] ? mark_held_locks+0x130/0x130 [ 274.396735] ? mark_held_locks+0x130/0x130 [ 274.400979] dump_header+0x27b/0xf72 [ 274.404710] ? pagefault_out_of_memory+0x197/0x197 [ 274.409650] ? mark_held_locks+0x130/0x130 [ 274.413890] ? __lock_acquire+0x7ec/0x4ec0 [ 274.418133] ? mem_cgroup_charge_statistics+0x780/0x780 [ 274.423499] ? print_usage_bug+0xc0/0xc0 [ 274.427563] ? print_usage_bug+0xc0/0xc0 [ 274.431635] ? graph_lock+0x170/0x170 [ 274.435525] ? graph_lock+0x170/0x170 [ 274.439332] ? print_usage_bug+0xc0/0xc0 [ 274.443398] ? print_usage_bug+0xc0/0xc0 [ 274.447973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.453523] ? find_held_lock+0x36/0x1c0 [ 274.457618] ? mark_held_locks+0xc7/0x130 [ 274.461775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.467068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.472174] ? lockdep_hardirqs_on+0x421/0x5c0 [ 274.476758] ? trace_hardirqs_on+0xbd/0x310 [ 274.481081] ? kasan_check_read+0x11/0x20 [ 274.485230] ? ___ratelimit+0x36f/0x655 [ 274.489209] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.494660] ? trace_hardirqs_on+0x310/0x310 [ 274.499073] ? lock_downgrade+0x900/0x900 [ 274.503229] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.508337] ? ___ratelimit+0xaa/0x655 [ 274.512230] ? idr_get_free+0xec0/0xec0 [ 274.516211] ? kasan_check_write+0x14/0x20 [ 274.520453] ? do_raw_spin_lock+0xc1/0x200 [ 274.524697] oom_kill_process.cold.27+0x10/0x903 [ 274.529718] ? graph_lock+0x170/0x170 [ 274.533519] ? _raw_spin_unlock+0x2c/0x50 [ 274.537673] ? oom_badness+0xe6/0xaa0 [ 274.541482] ? oom_evaluate_task+0x540/0x540 [ 274.545900] ? find_held_lock+0x36/0x1c0 [ 274.549973] ? out_of_memory+0x974/0x14c0 [ 274.554124] ? lock_downgrade+0x900/0x900 [ 274.558276] ? check_preemption_disabled+0x48/0x200 [ 274.563299] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.569098] ? kasan_check_read+0x11/0x20 [ 274.573283] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.578570] ? rcu_bh_qs+0xc0/0xc0 [ 274.582119] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.587138] ? oom_evaluate_task+0x302/0x540 [ 274.591558] out_of_memory+0xa86/0x14c0 [ 274.595545] ? oom_killer_disable+0x3a0/0x3a0 [ 274.600046] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 274.604986] ? __mutex_add_waiter+0x2a0/0x2a0 [ 274.609500] __alloc_pages_slowpath+0x2318/0x2d80 [ 274.614381] ? warn_alloc+0x120/0x120 [ 274.618210] ? find_get_entry+0x2f2/0xc40 [ 274.622370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.627926] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 274.632858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.638408] ? should_fail+0x22d/0xd01 [ 274.642305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.647416] ? __lock_is_held+0xb5/0x140 [ 274.651507] ? __lock_is_held+0xb5/0x140 [ 274.655580] ? find_held_lock+0x36/0x1c0 [ 274.659651] ? ___might_sleep+0x1ed/0x300 [ 274.663799] ? lock_release+0x970/0x970 [ 274.667780] ? arch_local_save_flags+0x40/0x40 [ 274.672378] ? __might_sleep+0x95/0x190 [ 274.676425] __alloc_pages_nodemask+0xa80/0xde0 [ 274.681130] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.686155] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.691955] ? kasan_check_read+0x11/0x20 [ 274.696105] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.701424] ? graph_lock+0x170/0x170 [ 274.705230] ? print_usage_bug+0xc0/0xc0 [ 274.709296] ? graph_lock+0x170/0x170 [ 274.713116] ? graph_lock+0x170/0x170 [ 274.716922] ? __do_page_cache_readahead+0x7ce/0x980 [ 274.722034] ? find_held_lock+0x36/0x1c0 [ 274.726104] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 274.731648] alloc_pages_current+0x10c/0x210 [ 274.736057] ? lock_downgrade+0x900/0x900 [ 274.740217] __page_cache_alloc+0x38f/0x5b0 [ 274.744550] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.750352] ? kasan_check_read+0x11/0x20 [ 274.754516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.759801] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 274.764477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.770018] ? check_preemption_disabled+0x48/0x200 [ 274.775052] filemap_fault+0x1594/0x25f0 [ 274.779133] ? __lock_page_or_retry+0xa00/0xa00 [ 274.783804] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.789603] ? kasan_check_read+0x11/0x20 [ 274.793761] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.799044] ? rcu_bh_qs+0xc0/0xc0 [ 274.802606] ? filemap_map_pages+0xdea/0x1980 [ 274.807128] ? find_get_pages_range_tag+0x1320/0x1320 [ 274.812325] ? do_raw_spin_lock+0xc1/0x200 [ 274.816563] ? graph_lock+0x170/0x170 [ 274.820374] ? futex_wait_setup+0x266/0x3e0 [ 274.824733] ? lock_acquire+0x1ed/0x520 [ 274.828709] ? ext4_filemap_fault+0x7a/0xad [ 274.833040] ? lock_release+0x970/0x970 [ 274.837019] ? arch_local_save_flags+0x40/0x40 [ 274.841613] ? futex_wait_setup+0x3e0/0x3e0 [ 274.845953] ? print_usage_bug+0xc0/0xc0 [ 274.850292] ? down_read+0xb0/0x1d0 [ 274.853925] ? ext4_filemap_fault+0x7a/0xad [ 274.858268] ? __down_interruptible+0x700/0x700 [ 274.862956] ? find_held_lock+0x36/0x1c0 [ 274.867026] ext4_filemap_fault+0x82/0xad [ 274.871182] __do_fault+0x100/0x6b0 [ 274.874818] ? lock_downgrade+0x900/0x900 [ 274.878974] ? print_bad_pte+0x6c0/0x6c0 [ 274.883040] ? do_futex+0x249/0x26d0 [ 274.886761] ? kasan_check_read+0x11/0x20 [ 274.890934] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.895349] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 274.899940] ? add_mm_counter_fast+0xd0/0xd0 [ 274.904361] __handle_mm_fault+0x3709/0x53e0 [ 274.908794] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 274.913640] ? __fpu__restore_sig+0x62f/0x1680 [ 274.918224] ? graph_lock+0x170/0x170 [ 274.922028] ? print_usage_bug+0xc0/0xc0 [ 274.926268] ? graph_lock+0x170/0x170 [ 274.930069] ? graph_lock+0x170/0x170 [ 274.933883] ? graph_lock+0x170/0x170 [ 274.937715] ? handle_mm_fault+0x42a/0xc70 [ 274.941952] ? lock_downgrade+0x900/0x900 [ 274.946103] ? check_preemption_disabled+0x48/0x200 [ 274.951132] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.956930] ? kasan_check_read+0x11/0x20 [ 274.961083] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.966374] ? rcu_bh_qs+0xc0/0xc0 [ 274.969930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.975393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.980937] ? check_preemption_disabled+0x48/0x200 [ 274.985965] handle_mm_fault+0x54f/0xc70 [ 274.990032] ? __handle_mm_fault+0x53e0/0x53e0 [ 274.994617] ? find_vma+0x34/0x190 [ 274.998169] __do_page_fault+0x67d/0xed0 [ 275.002243] ? mm_fault_error+0x380/0x380 [ 275.006400] ? trace_hardirqs_off+0xb8/0x300 [ 275.010815] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.016183] ? trace_hardirqs_on+0x310/0x310 [ 275.020603] do_page_fault+0xf2/0x7e0 [ 275.024420] ? vmalloc_sync_all+0x30/0x30 [ 275.028575] ? error_entry+0x70/0xd0 [ 275.032293] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.037312] ? trace_hardirqs_on_caller+0xc0/0x300 [ 275.042245] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.047172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.052015] ? trace_hardirqs_off+0x300/0x300 [ 275.056511] ? trace_hardirqs_off_caller+0x300/0x300 [ 275.061617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.067158] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.072179] ? page_fault+0x8/0x30 [ 275.075726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.080570] ? page_fault+0x8/0x30 [ 275.084112] page_fault+0x1e/0x30 [ 275.087566] RIP: 0033:0x407e06 [ 275.090764] Code: Bad RIP value. [ 275.094126] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 275.099493] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 275.106774] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 275.114040] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 275.121305] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 275.128570] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 275.135920] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 275.135925] warn_alloc_show_mem: 1 callbacks suppressed [ 275.135933] Mem-Info: [ 275.143114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.143123] Call Trace: [ 275.148494] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 275.148494] active_file:16 inactive_file:17 isolated_file:1 [ 275.148494] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.148494] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 275.148494] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 275.148494] free:13718 free_pcp:223 free_cma:0 [ 275.150869] [ 275.160236] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.162820] dump_stack+0x1c4/0x2b4 [ 275.195685] Node 0 [ 275.197845] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.225528] 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 [ 275.229146] warn_alloc.cold.118+0xb7/0x1bd [ 275.231342] lowmem_reserve[]: [ 275.236530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.262007] 0 2817 [ 275.266362] ? lock_downgrade+0x900/0x900 [ 275.269438] 6321 [ 275.274284] ? trace_hardirqs_off+0xb8/0x300 [ 275.276488] 6321 [ 275.280638] ? trace_hardirqs_off+0xb8/0x300 [ 275.282674] Node 0 [ 275.287090] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.289149] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 275.293569] ? warn_alloc+0x120/0x120 [ 275.295746] lowmem_reserve[]: [ 275.300595] ? trace_hardirqs_on+0x310/0x310 [ 275.327298] 0 0 [ 275.331118] ? warn_alloc+0x120/0x120 [ 275.334185] 3503 3503 [ 275.338603] ? print_usage_bug+0xc0/0xc0 [ 275.344344] ? warn_alloc+0x120/0x120 [ 275.346813] Node 0 [ 275.350875] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 275.354678] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 275.356887] ? print_usage_bug+0xc0/0xc0 [ 275.361870] lowmem_reserve[]: 0 [ 275.390349] ? __lock_acquire+0x7ec/0x4ec0 [ 275.394384] 0 [ 275.397676] ? __lock_acquire+0x7ec/0x4ec0 [ 275.401884] 0 [ 275.403685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.407887] 0 [ 275.409686] ? should_fail+0x22d/0xd01 [ 275.415194] Node 0 [ 275.416992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.420851] DMA: [ 275.423082] ? __lock_acquire+0x7ec/0x4ec0 [ 275.428159] 1*4kB [ 275.430219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.434427] (U) [ 275.436576] ? __lock_acquire+0x7ec/0x4ec0 [ 275.441653] 0*8kB [ 275.443627] ? should_fail+0x22d/0xd01 [ 275.447845] 0*16kB 1*32kB [ 275.450000] ? print_usage_bug+0xc0/0xc0 [ 275.453858] (U) [ 275.456708] ? mark_held_locks+0x130/0x130 [ 275.460730] 2*64kB (U) [ 275.462723] ? mark_held_locks+0x130/0x130 [ 275.466933] 1*128kB [ 275.469517] ? graph_lock+0x170/0x170 [ 275.473716] (U) 1*256kB [ 275.476049] ? print_usage_bug+0xc0/0xc0 [ 275.479822] (U) [ 275.482492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.486525] 0*512kB [ 275.488501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.493229] 1*1024kB (U) [ 275.495582] ? check_preemption_disabled+0x48/0x200 [ 275.501089] 1*2048kB (M) [ 275.503874] ? check_preemption_disabled+0x48/0x200 [ 275.508873] 3*4096kB (M) [ 275.511656] ? __lock_is_held+0xb5/0x140 [ 275.516633] = 15908kB [ 275.516642] Node 0 [ 275.519418] __alloc_pages_nodemask+0xa80/0xde0 [ 275.523441] DMA32: [ 275.525848] ? graph_lock+0x170/0x170 [ 275.528059] 2*4kB [ 275.532724] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.534926] (M) [ 275.538718] ? graph_lock+0x170/0x170 [ 275.538744] ? find_held_lock+0x36/0x1c0 [ 275.540858] 0*8kB 3*16kB [ 275.545884] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.547828] (M) [ 275.551622] ? lock_downgrade+0x900/0x900 [ 275.555652] 1*32kB (M) [ 275.558437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.563077] 2*64kB [ 275.565047] cache_grow_begin+0x91/0x8c0 [ 275.569164] (M) [ 275.571744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.577267] 4*128kB [ 275.579514] fallback_alloc+0x203/0x2e0 [ 275.583546] (UM) [ 275.585524] ____cache_alloc_node+0x1c7/0x1e0 [ 275.589903] 3*256kB (UM) [ 275.592235] kmem_cache_alloc_node+0xe3/0x730 [ 275.596185] 4*512kB [ 275.598245] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.602715] (UM) [ 275.605471] __alloc_skb+0x119/0x770 [ 275.609927] 3*1024kB (M) [ 275.612255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.616462] 3*2048kB [ 275.618522] ? skb_scrub_packet+0x490/0x490 [ 275.622212] (UM) [ 275.624961] ? lock_downgrade+0x900/0x900 [ 275.630205] 3*4096kB (M) [ 275.632624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.636916] = 25048kB [ 275.638975] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.643093] Node 0 [ 275.645858] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.651360] Normal: 865*4kB [ 275.653787] ? addrconf_rs_timer+0x6f0/0x6f0 [ 275.659216] (UMEH) [ 275.661459] ndisc_alloc_skb+0x144/0x340 [ 275.666874] 401*8kB [ 275.669889] ndisc_send_rs+0x331/0x6e0 [ 275.674277] (UMEH) [ 275.676517] addrconf_rs_timer+0x3c0/0x6f0 [ 275.680541] 165*16kB (UMEH) [ 275.682880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.686737] 83*32kB [ 275.688976] call_timer_fn+0x272/0x920 [ 275.693166] (UMEH) 31*64kB [ 275.696186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.700394] (UMH) 0*128kB [ 275.702739] ? process_timeout+0x40/0x40 [ 275.706591] 0*256kB 0*512kB [ 275.709525] ? find_held_lock+0x36/0x1c0 [ 275.713739] 0*1024kB [ 275.716578] ? __run_timers+0x7da/0xc70 [ 275.720601] 0*2048kB 0*4096kB [ 275.723624] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.727657] = 13948kB [ 275.730056] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.734014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.737194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.741668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.744064] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.748531] 413 total pagecache pages [ 275.757360] ? trace_hardirqs_on+0xbd/0x310 [ 275.761575] 0 pages in swap cache [ 275.770139] ? kasan_check_read+0x11/0x20 [ 275.774690] Swap cache stats: add 0, delete 0, find 0/0 [ 275.774699] Free swap = 0kB [ 275.778497] ? __run_timers+0x7da/0xc70 [ 275.782788] Total swap = 0kB [ 275.786238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.790361] 1965979 pages RAM [ 275.795737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.798724] 0 pages HighMem/MovableOnly [ 275.798733] 342744 pages reserved [ 275.802704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.805690] 0 pages cma reserved [ 275.805767] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.811149] __run_timers+0x7e5/0xc70 [ 275.814321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.818468] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.822411] syz-fuzzer cpuset= [ 275.825858] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.830063] / [ 275.833433] ? graph_lock+0x170/0x170 [ 275.839904] mems_allowed=0 [ 275.843689] ? enqueue_hrtimer+0x1a5/0x560 [ 275.880061] ? lock_release+0x970/0x970 [ 275.884084] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.889298] ? find_held_lock+0x36/0x1c0 [ 275.893369] ? graph_lock+0x170/0x170 [ 275.897201] ? pvclock_read_flags+0x160/0x160 [ 275.901705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.907251] ? check_preemption_disabled+0x48/0x200 [ 275.912286] ? __lock_is_held+0xb5/0x140 [ 275.916356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.921913] ? check_preemption_disabled+0x48/0x200 [ 275.926941] run_timer_softirq+0x52/0xb0 [ 275.931008] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.936030] __do_softirq+0x30b/0xad8 [ 275.939850] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.944964] ? pvclock_read_flags+0x160/0x160 [ 275.949463] ? lapic_next_event+0x5a/0x90 [ 275.953614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.959155] ? check_preemption_disabled+0x48/0x200 [ 275.964182] ? check_preemption_disabled+0x48/0x200 [ 275.969219] ? kvm_clock_read+0x18/0x30 [ 275.973206] ? kvm_sched_clock_read+0x9/0x20 [ 275.977650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.983208] ? check_preemption_disabled+0x48/0x200 [ 275.988335] irq_exit+0x17f/0x1c0 [ 275.991801] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.996672] ? smp_reschedule_interrupt+0x109/0x650 [ 276.001703] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.007602] ? interrupt_entry+0xb5/0xf0 [ 276.011686] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.016720] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.021747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.026596] ? trace_hardirqs_off+0x300/0x300 [ 276.031122] ? trace_hardirqs_off+0x300/0x300 [ 276.035633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.041182] ? check_preemption_disabled+0x48/0x200 [ 276.046207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.051764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.056625] apic_timer_interrupt+0xf/0x20 [ 276.060859] [ 276.063105] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.068045] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 276.086957] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 276.094686] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.101971] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 276.109245] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 276.116519] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 276.123793] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 276.131121] skb_clone+0x1bb/0x500 [ 276.134676] ? finish_task_switch+0x1b5/0x900 [ 276.139182] ? skb_split+0x11e0/0x11e0 [ 276.143083] ? preempt_notifier_register+0x200/0x200 [ 276.148194] ? __switch_to_asm+0x34/0x70 [ 276.152262] ? __switch_to_asm+0x34/0x70 [ 276.156326] ? __switch_to_asm+0x40/0x70 [ 276.160402] ? __switch_to_asm+0x34/0x70 [ 276.164463] ? __switch_to_asm+0x40/0x70 [ 276.168524] ? __switch_to_asm+0x34/0x70 [ 276.172584] ? __switch_to_asm+0x40/0x70 [ 276.176643] ? __switch_to_asm+0x34/0x70 [ 276.180710] ? __switch_to_asm+0x34/0x70 [ 276.184774] ? __switch_to_asm+0x40/0x70 [ 276.188839] ? __switch_to_asm+0x34/0x70 [ 276.192914] bpf_clone_redirect+0xb9/0x490 [ 276.197164] ? __schedule+0x874/0x1ed0 [ 276.201069] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 276.206106] ? __sched_text_start+0x8/0x8 [ 276.210269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.215054] ? find_held_lock+0x36/0x1c0 [ 276.219134] ? lock_acquire+0x1ed/0x520 [ 276.223115] ? bpf_test_run+0x32e/0x5a0 [ 276.227272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.232823] ? check_preemption_disabled+0x48/0x200 [ 276.237849] ? kasan_check_read+0x11/0x20 [ 276.242004] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.247295] ? rcu_bh_qs+0xc0/0xc0 [ 276.250851] ? preempt_schedule+0x4d/0x60 [ 276.255004] ? ___preempt_schedule+0x16/0x18 [ 276.259470] ? bpf_test_run+0x1c0/0x5a0 [ 276.263458] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.267876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.273428] ? bpf_test_init.isra.9+0x70/0x100 [ 276.278017] ? bpf_prog_test_run_skb+0x634/0xb40 [ 276.282782] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.287631] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.293175] ? fput+0x130/0x1a0 [ 276.296463] ? __bpf_prog_get+0x9b/0x290 [ 276.300531] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.305377] ? bpf_prog_test_run+0x130/0x1a0 [ 276.309810] ? __x64_sys_bpf+0x3d8/0x510 [ 276.314330] ? bpf_prog_get+0x20/0x20 [ 276.318142] ? ksys_ioctl+0x81/0xd0 [ 276.321796] ? do_syscall_64+0x1b9/0x820 [ 276.325875] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.331263] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.336211] ? trace_hardirqs_off+0x300/0x300 [ 276.340720] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.345741] ? recalc_sigpending_tsk+0x180/0x180 [ 276.350512] ? kasan_check_write+0x14/0x20 [ 276.354756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.359610] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.364998] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 276.365069] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.371934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.371943] Call Trace: [ 276.378549] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.387772] [ 276.390347] syz-executor0 cpuset= [ 276.400829] dump_stack+0x1c4/0x2b4 [ 276.402952] syz0 [ 276.406408] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.410019] mems_allowed=0 [ 276.411994] warn_alloc.cold.118+0xb7/0x1bd [ 276.424427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.429275] ? lock_downgrade+0x900/0x900 [ 276.433435] ? trace_hardirqs_off+0xb8/0x300 [ 276.437854] ? trace_hardirqs_off+0xb8/0x300 [ 276.442286] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.447708] ? warn_alloc+0x120/0x120 [ 276.451544] ? trace_hardirqs_on+0x310/0x310 [ 276.455960] ? warn_alloc+0x120/0x120 [ 276.459764] ? print_usage_bug+0xc0/0xc0 [ 276.463825] ? warn_alloc+0x120/0x120 [ 276.467633] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.472651] ? print_usage_bug+0xc0/0xc0 [ 276.476716] ? __lock_acquire+0x7ec/0x4ec0 [ 276.480952] ? __lock_acquire+0x7ec/0x4ec0 [ 276.485195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.490748] ? should_fail+0x22d/0xd01 [ 276.494652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.499766] ? __lock_acquire+0x7ec/0x4ec0 [ 276.504025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.509136] ? __lock_acquire+0x7ec/0x4ec0 [ 276.513373] ? should_fail+0x22d/0xd01 [ 276.517274] ? print_usage_bug+0xc0/0xc0 [ 276.521349] ? mark_held_locks+0x130/0x130 [ 276.525595] ? mark_held_locks+0x130/0x130 [ 276.529839] ? graph_lock+0x170/0x170 [ 276.533644] ? print_usage_bug+0xc0/0xc0 [ 276.537713] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.542506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.548060] ? check_preemption_disabled+0x48/0x200 [ 276.553090] ? check_preemption_disabled+0x48/0x200 [ 276.558133] ? __lock_is_held+0xb5/0x140 [ 276.562211] __alloc_pages_nodemask+0xa80/0xde0 [ 276.566893] ? graph_lock+0x170/0x170 [ 276.570718] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.575736] ? graph_lock+0x170/0x170 [ 276.579558] ? find_held_lock+0x36/0x1c0 [ 276.583631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.588308] ? lock_downgrade+0x900/0x900 [ 276.592468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.598015] cache_grow_begin+0x91/0x8c0 [ 276.602084] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.606509] fallback_alloc+0x203/0x2e0 [ 276.610502] ____cache_alloc_node+0x1c7/0x1e0 [ 276.615008] kmem_cache_alloc_node+0xe3/0x730 [ 276.619509] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.623757] __alloc_skb+0x119/0x770 [ 276.627479] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.632765] ? skb_scrub_packet+0x490/0x490 [ 276.637094] ? lock_downgrade+0x900/0x900 [ 276.641255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.646805] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.652280] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.657747] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.662177] ndisc_alloc_skb+0x144/0x340 [ 276.666254] ndisc_send_rs+0x331/0x6e0 [ 276.670152] addrconf_rs_timer+0x3c0/0x6f0 [ 276.674406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.678665] call_timer_fn+0x272/0x920 [ 276.682558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.686810] ? process_timeout+0x40/0x40 [ 276.690904] ? find_held_lock+0x36/0x1c0 [ 276.694985] ? mark_held_locks+0xc7/0x130 [ 276.699143] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.703649] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.708156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.712406] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.717003] ? trace_hardirqs_on+0xbd/0x310 [ 276.721326] ? kasan_check_read+0x11/0x20 [ 276.725485] ? __run_timers+0x7da/0xc70 [ 276.729467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.734942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.739190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.743432] __run_timers+0x7e5/0xc70 [ 276.747248] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.752621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.757656] ? graph_lock+0x170/0x170 [ 276.761468] ? print_usage_bug+0xc0/0xc0 [ 276.765637] ? lock_release+0x970/0x970 [ 276.769615] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.774819] ? find_held_lock+0x36/0x1c0 [ 276.778886] ? graph_lock+0x170/0x170 [ 276.782703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.788254] ? check_preemption_disabled+0x48/0x200 [ 276.793286] ? __lock_is_held+0xb5/0x140 [ 276.797362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.802930] ? check_preemption_disabled+0x48/0x200 [ 276.807962] run_timer_softirq+0x52/0xb0 [ 276.812027] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.817053] __do_softirq+0x30b/0xad8 [ 276.820870] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.825990] ? pvclock_read_flags+0x160/0x160 [ 276.830501] ? lapic_next_event+0x5a/0x90 [ 276.834652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.840289] ? check_preemption_disabled+0x48/0x200 [ 276.845314] ? check_preemption_disabled+0x48/0x200 [ 276.850341] ? kvm_clock_read+0x18/0x30 [ 276.854322] ? kvm_sched_clock_read+0x9/0x20 [ 276.858740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.864298] ? check_preemption_disabled+0x48/0x200 [ 276.869335] irq_exit+0x17f/0x1c0 [ 276.872807] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.877654] ? smp_reschedule_interrupt+0x109/0x650 [ 276.882678] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.888662] ? interrupt_entry+0xb5/0xf0 [ 276.892730] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.897749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.902779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.907630] ? trace_hardirqs_off+0x300/0x300 [ 276.912127] ? trace_hardirqs_off+0x300/0x300 [ 276.916624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.922164] ? check_preemption_disabled+0x48/0x200 [ 276.927183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.932744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.937602] apic_timer_interrupt+0xf/0x20 [ 276.941834] [ 276.944073] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 276.949364] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 276.968289] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 276.976020] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 276.983295] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 276.990571] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 276.997846] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 277.005130] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 277.012446] ? arch_local_irq_restore+0x45/0x52 [ 277.017150] dump_stack+0x26a/0x2b4 [ 277.020794] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.026017] ? mark_held_locks+0x130/0x130 [ 277.030284] ? mark_held_locks+0x130/0x130 [ 277.034531] dump_header+0x27b/0xf72 [ 277.038265] ? pagefault_out_of_memory+0x197/0x197 [ 277.043212] ? mark_held_locks+0x130/0x130 [ 277.047485] ? __lock_acquire+0x7ec/0x4ec0 [ 277.051744] ? mem_cgroup_charge_statistics+0x780/0x780 [ 277.057121] ? print_usage_bug+0xc0/0xc0 [ 277.061191] ? print_usage_bug+0xc0/0xc0 [ 277.065280] ? graph_lock+0x170/0x170 [ 277.069082] ? graph_lock+0x170/0x170 [ 277.072904] ? print_usage_bug+0xc0/0xc0 [ 277.076972] ? print_usage_bug+0xc0/0xc0 [ 277.081049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.086604] ? find_held_lock+0x36/0x1c0 [ 277.090685] ? mark_held_locks+0xc7/0x130 [ 277.094855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.099982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.105125] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.109753] ? trace_hardirqs_on+0xbd/0x310 [ 277.114101] ? kasan_check_read+0x11/0x20 [ 277.118274] ? ___ratelimit+0x36f/0x655 [ 277.122264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.127737] ? trace_hardirqs_on+0x310/0x310 [ 277.132174] ? lock_downgrade+0x900/0x900 [ 277.136343] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.141462] ? ___ratelimit+0xaa/0x655 [ 277.145361] ? idr_get_free+0xec0/0xec0 [ 277.149362] ? kasan_check_write+0x14/0x20 [ 277.153621] ? do_raw_spin_lock+0xc1/0x200 [ 277.157878] oom_kill_process.cold.27+0x10/0x903 [ 277.162649] ? graph_lock+0x170/0x170 [ 277.166465] ? _raw_spin_unlock+0x2c/0x50 [ 277.170621] ? oom_badness+0xe6/0xaa0 [ 277.174434] ? oom_evaluate_task+0x540/0x540 [ 277.178853] ? find_held_lock+0x36/0x1c0 [ 277.182932] ? out_of_memory+0x974/0x14c0 [ 277.187087] ? lock_downgrade+0x900/0x900 [ 277.191239] ? check_preemption_disabled+0x48/0x200 [ 277.196277] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.202098] ? kasan_check_read+0x11/0x20 [ 277.206256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.211543] ? rcu_bh_qs+0xc0/0xc0 [ 277.215099] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.220123] ? oom_evaluate_task+0x302/0x540 [ 277.224550] out_of_memory+0xa86/0x14c0 [ 277.228548] ? oom_killer_disable+0x3a0/0x3a0 [ 277.233056] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 277.238001] ? __mutex_add_waiter+0x2a0/0x2a0 [ 277.242528] __alloc_pages_slowpath+0x2318/0x2d80 [ 277.247421] ? warn_alloc+0x120/0x120 [ 277.251268] ? find_get_entry+0x2f2/0xc40 [ 277.255449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.261090] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 277.266029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.271574] ? should_fail+0x22d/0xd01 [ 277.275485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.280602] ? __lock_is_held+0xb5/0x140 [ 277.284723] ? __lock_is_held+0xb5/0x140 [ 277.288801] ? find_held_lock+0x36/0x1c0 [ 277.292895] ? ___might_sleep+0x1ed/0x300 [ 277.297059] ? lock_release+0x970/0x970 [ 277.301045] ? arch_local_save_flags+0x40/0x40 [ 277.305653] ? __might_sleep+0x95/0x190 [ 277.309641] __alloc_pages_nodemask+0xa80/0xde0 [ 277.314332] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.319360] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.325173] ? kasan_check_read+0x11/0x20 [ 277.329328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.334619] ? graph_lock+0x170/0x170 [ 277.338434] ? print_usage_bug+0xc0/0xc0 [ 277.342504] ? graph_lock+0x170/0x170 [ 277.346310] ? graph_lock+0x170/0x170 [ 277.350118] ? __do_page_cache_readahead+0x7ce/0x980 [ 277.355237] ? find_held_lock+0x36/0x1c0 [ 277.359310] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.364867] alloc_pages_current+0x10c/0x210 [ 277.369285] ? lock_downgrade+0x900/0x900 [ 277.373450] __page_cache_alloc+0x38f/0x5b0 [ 277.377779] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.383589] ? kasan_check_read+0x11/0x20 [ 277.387751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.393044] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 277.397740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.403293] ? check_preemption_disabled+0x48/0x200 [ 277.408324] filemap_fault+0x1594/0x25f0 [ 277.412410] ? __lock_page_or_retry+0xa00/0xa00 [ 277.417094] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.422896] ? kasan_check_read+0x11/0x20 [ 277.427058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.432345] ? rcu_bh_qs+0xc0/0xc0 [ 277.435914] ? filemap_map_pages+0xdea/0x1980 [ 277.440445] ? find_get_pages_range_tag+0x1320/0x1320 [ 277.445652] ? do_raw_spin_lock+0xc1/0x200 [ 277.449907] ? graph_lock+0x170/0x170 [ 277.453724] ? futex_wait_setup+0x266/0x3e0 [ 277.458077] ? lock_acquire+0x1ed/0x520 [ 277.462060] ? ext4_filemap_fault+0x7a/0xad [ 277.466405] ? lock_release+0x970/0x970 [ 277.470385] ? arch_local_save_flags+0x40/0x40 [ 277.474989] ? futex_wait_setup+0x3e0/0x3e0 [ 277.479321] ? print_usage_bug+0xc0/0xc0 [ 277.483414] ? down_read+0xb0/0x1d0 [ 277.487058] ? ext4_filemap_fault+0x7a/0xad [ 277.491408] ? __down_interruptible+0x700/0x700 [ 277.496190] ? find_held_lock+0x36/0x1c0 [ 277.500273] ext4_filemap_fault+0x82/0xad [ 277.504437] __do_fault+0x100/0x6b0 [ 277.508165] ? lock_downgrade+0x900/0x900 [ 277.512324] ? print_bad_pte+0x6c0/0x6c0 [ 277.516405] ? do_futex+0x249/0x26d0 [ 277.520132] ? kasan_check_read+0x11/0x20 [ 277.524284] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.528696] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 277.533286] ? add_mm_counter_fast+0xd0/0xd0 [ 277.537719] __handle_mm_fault+0x3709/0x53e0 [ 277.542165] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 277.547028] ? __fpu__restore_sig+0x62f/0x1680 [ 277.551636] ? graph_lock+0x170/0x170 [ 277.555456] ? print_usage_bug+0xc0/0xc0 [ 277.559530] ? graph_lock+0x170/0x170 [ 277.563336] ? graph_lock+0x170/0x170 [ 277.567145] ? graph_lock+0x170/0x170 [ 277.570992] ? handle_mm_fault+0x42a/0xc70 [ 277.575249] ? lock_downgrade+0x900/0x900 [ 277.579424] ? check_preemption_disabled+0x48/0x200 [ 277.584474] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.590299] ? kasan_check_read+0x11/0x20 [ 277.594509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.599824] ? rcu_bh_qs+0xc0/0xc0 [ 277.603373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.608850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.614414] ? check_preemption_disabled+0x48/0x200 [ 277.619458] handle_mm_fault+0x54f/0xc70 [ 277.623984] ? __handle_mm_fault+0x53e0/0x53e0 [ 277.628585] ? find_vma+0x34/0x190 [ 277.632142] __do_page_fault+0x67d/0xed0 [ 277.636218] ? mm_fault_error+0x380/0x380 [ 277.640367] ? trace_hardirqs_off+0xb8/0x300 [ 277.644792] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.650162] ? trace_hardirqs_on+0x310/0x310 [ 277.654674] do_page_fault+0xf2/0x7e0 [ 277.658481] ? vmalloc_sync_all+0x30/0x30 [ 277.662635] ? error_entry+0x70/0xd0 [ 277.666354] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.671397] ? trace_hardirqs_on_caller+0xc0/0x300 [ 277.676354] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.681297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.686146] ? trace_hardirqs_off+0x300/0x300 [ 277.690646] ? trace_hardirqs_off_caller+0x300/0x300 [ 277.695761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.701306] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.706327] ? page_fault+0x8/0x30 [ 277.709875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.714737] ? page_fault+0x8/0x30 [ 277.718281] page_fault+0x1e/0x30 [ 277.721738] RIP: 0033:0x407e06 [ 277.724936] Code: Bad RIP value. [ 277.728302] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 277.733679] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 277.740964] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 277.748240] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 277.755516] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 277.762793] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 277.770107] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 277.770112] warn_alloc_show_mem: 1 callbacks suppressed [ 277.770120] Mem-Info: [ 277.777311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.777322] Call Trace: [ 277.782725] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 277.782725] active_file:16 inactive_file:17 isolated_file:1 [ 277.782725] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.782725] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 277.782725] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 277.782725] free:13718 free_pcp:223 free_cma:0 [ 277.785100] [ 277.794468] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.797056] dump_stack+0x1c4/0x2b4 [ 277.830005] Node 0 [ 277.832165] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.859840] 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 [ 277.863467] warn_alloc.cold.118+0xb7/0x1bd [ 277.865662] lowmem_reserve[]: [ 277.870860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.896345] 0 2817 [ 277.900702] ? lock_downgrade+0x900/0x900 [ 277.903780] 6321 [ 277.908623] ? trace_hardirqs_off+0xb8/0x300 [ 277.910825] 6321 [ 277.914981] ? trace_hardirqs_off+0xb8/0x300 [ 277.917022] Node 0 [ 277.921439] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.923501] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 277.927912] ? warn_alloc+0x120/0x120 [ 277.930101] lowmem_reserve[]: [ 277.934948] ? trace_hardirqs_on+0x310/0x310 [ 277.961641] 0 0 [ 277.965467] ? warn_alloc+0x120/0x120 [ 277.968536] 3503 3503 [ 277.972954] ? print_usage_bug+0xc0/0xc0 [ 277.978700] ? warn_alloc+0x120/0x120 [ 277.981182] Node 0 [ 277.985243] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 277.985261] ? print_usage_bug+0xc0/0xc0 [ 277.989071] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 277.991279] ? __lock_acquire+0x7ec/0x4ec0 [ 277.996264] lowmem_reserve[]: 0 [ 278.000339] ? __lock_acquire+0x7ec/0x4ec0 [ 278.028698] 0 0 [ 278.032961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.036203] 0 [ 278.040462] ? should_fail+0x22d/0xd01 [ 278.042420] Node 0 [ 278.047968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.049741] DMA: 1*4kB [ 278.053634] ? __lock_acquire+0x7ec/0x4ec0 [ 278.055847] (U) [ 278.060951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.063509] 0*8kB [ 278.067745] ? __lock_acquire+0x7ec/0x4ec0 [ 278.069699] 0*16kB [ 278.074799] ? should_fail+0x22d/0xd01 [ 278.074817] ? print_usage_bug+0xc0/0xc0 [ 278.076947] 1*32kB [ 278.081181] ? mark_held_locks+0x130/0x130 [ 278.083384] (U) [ 278.087279] ? mark_held_locks+0x130/0x130 [ 278.091311] 2*64kB (U) [ 278.093564] ? graph_lock+0x170/0x170 [ 278.097766] 1*128kB [ 278.099742] ? print_usage_bug+0xc0/0xc0 [ 278.103951] (U) [ 278.106535] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.110318] 1*256kB [ 278.112641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.116676] (U) [ 278.118652] ? check_preemption_disabled+0x48/0x200 [ 278.123378] 0*512kB [ 278.125709] ? check_preemption_disabled+0x48/0x200 [ 278.131237] 1*1024kB (U) [ 278.133244] ? __lock_is_held+0xb5/0x140 [ 278.138237] 1*2048kB (M) [ 278.140589] __alloc_pages_nodemask+0xa80/0xde0 [ 278.145572] 3*4096kB (M) [ 278.148345] ? graph_lock+0x170/0x170 [ 278.152371] = 15908kB [ 278.152379] Node 0 [ 278.155144] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.159778] DMA32: 2*4kB [ 278.162541] ? graph_lock+0x170/0x170 [ 278.166313] (M) [ 278.168736] ? find_held_lock+0x36/0x1c0 [ 278.170932] 0*8kB 3*16kB [ 278.175961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.178702] (M) [ 278.182498] ? lock_downgrade+0x900/0x900 [ 278.184446] 1*32kB [ 278.188505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.191229] (M) [ 278.195894] cache_grow_begin+0x91/0x8c0 [ 278.197840] 2*64kB (M) [ 278.201992] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.204193] 4*128kB (UM) [ 278.209766] fallback_alloc+0x203/0x2e0 [ 278.211715] 3*256kB (UM) [ 278.215795] ____cache_alloc_node+0x1c7/0x1e0 [ 278.218347] 4*512kB [ 278.222761] kmem_cache_alloc_node+0xe3/0x730 [ 278.225487] (UM) 3*1024kB [ 278.229489] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.232236] (M) 3*2048kB [ 278.236758] __alloc_skb+0x119/0x770 [ 278.239049] (UM) 3*4096kB [ 278.243656] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.246475] (M) [ 278.250721] ? skb_scrub_packet+0x490/0x490 [ 278.253454] = 25048kB [ 278.257172] ? lock_downgrade+0x900/0x900 [ 278.259991] Node 0 [ 278.265282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.267224] Normal: 865*4kB [ 278.271559] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.273938] (UMEH) 401*8kB [ 278.278094] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.280307] (UMEH) [ 278.285841] ? addrconf_rs_timer+0x6f0/0x6f0 [ 278.288836] 165*16kB [ 278.294298] ndisc_alloc_skb+0x144/0x340 [ 278.297191] (UMEH) [ 278.302643] ndisc_send_rs+0x331/0x6e0 [ 278.304848] 83*32kB (UMEH) [ 278.309260] addrconf_rs_timer+0x3c0/0x6f0 [ 278.311637] 31*64kB (UMH) [ 278.316160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.318373] 0*128kB [ 278.322279] call_timer_fn+0x272/0x920 [ 278.325171] 0*256kB 0*512kB [ 278.329429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.332243] 0*1024kB [ 278.336484] ? process_timeout+0x40/0x40 [ 278.338775] 0*2048kB 0*4096kB [ 278.342677] ? find_held_lock+0x36/0x1c0 [ 278.345662] = 13948kB [ 278.345676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.349908] ? __run_timers+0x7da/0xc70 [ 278.352294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.352303] 413 total pagecache pages [ 278.356361] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.359534] 0 pages in swap cache [ 278.363588] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.365969] Swap cache stats: add 0, delete 0, find 0/0 [ 278.365978] Free swap = 0kB [ 278.374827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.378770] Total swap = 0kB [ 278.378778] 1965979 pages RAM [ 278.387365] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.391134] 0 pages HighMem/MovableOnly [ 278.391143] 342744 pages reserved [ 278.395642] ? trace_hardirqs_on+0xbd/0x310 [ 278.399064] 0 pages cma reserved [ 278.399142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.403573] ? kasan_check_read+0x11/0x20 [ 278.403592] ? __run_timers+0x7da/0xc70 [ 278.409064] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.411968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.416193] syz-fuzzer cpuset= [ 278.419213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.422293] / [ 278.426871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.430824] mems_allowed=0 [ 278.434278] __run_timers+0x7e5/0xc70 [ 278.492480] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.497860] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.502884] ? graph_lock+0x170/0x170 [ 278.506694] ? enqueue_hrtimer+0x1a5/0x560 [ 278.510947] ? lock_release+0x970/0x970 [ 278.514933] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.520151] ? find_held_lock+0x36/0x1c0 [ 278.524246] ? graph_lock+0x170/0x170 [ 278.528070] ? pvclock_read_flags+0x160/0x160 [ 278.532575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.538118] ? check_preemption_disabled+0x48/0x200 [ 278.543149] ? __lock_is_held+0xb5/0x140 [ 278.547213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.552753] ? check_preemption_disabled+0x48/0x200 [ 278.557784] run_timer_softirq+0x52/0xb0 [ 278.561850] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.566882] __do_softirq+0x30b/0xad8 [ 278.570710] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.575830] ? pvclock_read_flags+0x160/0x160 [ 278.580330] ? lapic_next_event+0x5a/0x90 [ 278.584491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.590060] ? check_preemption_disabled+0x48/0x200 [ 278.595116] ? check_preemption_disabled+0x48/0x200 [ 278.600163] ? kvm_clock_read+0x18/0x30 [ 278.604148] ? kvm_sched_clock_read+0x9/0x20 [ 278.608572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.614143] ? check_preemption_disabled+0x48/0x200 [ 278.619195] irq_exit+0x17f/0x1c0 [ 278.622655] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.627500] ? smp_reschedule_interrupt+0x109/0x650 [ 278.632529] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.638432] ? interrupt_entry+0xb5/0xf0 [ 278.642496] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.647511] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.652529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.657372] ? trace_hardirqs_off+0x300/0x300 [ 278.661885] ? trace_hardirqs_off+0x300/0x300 [ 278.666387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.671947] ? check_preemption_disabled+0x48/0x200 [ 278.676969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.682517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.687375] apic_timer_interrupt+0xf/0x20 [ 278.691618] [ 278.693859] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.698794] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 278.717705] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 278.725425] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.732692] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 278.739961] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 278.747225] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 278.754495] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 278.761822] skb_clone+0x1bb/0x500 [ 278.765363] ? finish_task_switch+0x1b5/0x900 [ 278.769872] ? skb_split+0x11e0/0x11e0 [ 278.773764] ? preempt_notifier_register+0x200/0x200 [ 278.778865] ? __switch_to_asm+0x34/0x70 [ 278.782925] ? __switch_to_asm+0x34/0x70 [ 278.786983] ? __switch_to_asm+0x40/0x70 [ 278.791045] ? __switch_to_asm+0x34/0x70 [ 278.795106] ? __switch_to_asm+0x40/0x70 [ 278.799168] ? __switch_to_asm+0x34/0x70 [ 278.803229] ? __switch_to_asm+0x40/0x70 [ 278.807291] ? __switch_to_asm+0x34/0x70 [ 278.811356] ? __switch_to_asm+0x34/0x70 [ 278.815429] ? __switch_to_asm+0x40/0x70 [ 278.819486] ? __switch_to_asm+0x34/0x70 [ 278.823559] bpf_clone_redirect+0xb9/0x490 [ 278.827801] ? __schedule+0x874/0x1ed0 [ 278.831694] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 278.836715] ? __sched_text_start+0x8/0x8 [ 278.840868] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.845641] ? find_held_lock+0x36/0x1c0 [ 278.849809] ? lock_acquire+0x1ed/0x520 [ 278.853786] ? bpf_test_run+0x32e/0x5a0 [ 278.857762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.863425] ? check_preemption_disabled+0x48/0x200 [ 278.868451] ? kasan_check_read+0x11/0x20 [ 278.872603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.877883] ? rcu_bh_qs+0xc0/0xc0 [ 278.881434] ? preempt_schedule+0x4d/0x60 [ 278.885583] ? ___preempt_schedule+0x16/0x18 [ 278.890005] ? bpf_test_run+0x1c0/0x5a0 [ 278.893992] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.898417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.903953] ? bpf_test_init.isra.9+0x70/0x100 [ 278.908540] ? bpf_prog_test_run_skb+0x634/0xb40 [ 278.913307] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.918160] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.923709] ? fput+0x130/0x1a0 [ 278.926988] ? __bpf_prog_get+0x9b/0x290 [ 278.931056] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.935898] ? bpf_prog_test_run+0x130/0x1a0 [ 278.940315] ? __x64_sys_bpf+0x3d8/0x510 [ 278.944381] ? bpf_prog_get+0x20/0x20 [ 278.948207] ? ksys_ioctl+0x81/0xd0 [ 278.951844] ? do_syscall_64+0x1b9/0x820 [ 278.955917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.961301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.966237] ? trace_hardirqs_off+0x300/0x300 [ 278.970736] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.975758] ? recalc_sigpending_tsk+0x180/0x180 [ 278.980534] ? kasan_check_write+0x14/0x20 [ 278.984781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.989634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.995023] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 278.995110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.001955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.001965] Call Trace: [ 279.008548] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.017793] [ 279.020366] syz-executor0 cpuset= [ 279.030859] dump_stack+0x1c4/0x2b4 [ 279.032987] syz0 [ 279.036436] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.040037] mems_allowed=0 [ 279.042014] warn_alloc.cold.118+0xb7/0x1bd [ 279.054435] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.059284] ? lock_downgrade+0x900/0x900 [ 279.063443] ? trace_hardirqs_off+0xb8/0x300 [ 279.067865] ? trace_hardirqs_off+0xb8/0x300 [ 279.072284] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.077161] ? warn_alloc+0x120/0x120 [ 279.080995] ? trace_hardirqs_on+0x310/0x310 [ 279.085413] ? warn_alloc+0x120/0x120 [ 279.089220] ? print_usage_bug+0xc0/0xc0 [ 279.093281] ? warn_alloc+0x120/0x120 [ 279.097081] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 279.102096] ? print_usage_bug+0xc0/0xc0 [ 279.106161] ? __lock_acquire+0x7ec/0x4ec0 [ 279.110406] ? __lock_acquire+0x7ec/0x4ec0 [ 279.114646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.120186] ? should_fail+0x22d/0xd01 [ 279.124084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.129190] ? __lock_acquire+0x7ec/0x4ec0 [ 279.133435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.138541] ? __lock_acquire+0x7ec/0x4ec0 [ 279.142779] ? should_fail+0x22d/0xd01 [ 279.146665] ? print_usage_bug+0xc0/0xc0 [ 279.150737] ? mark_held_locks+0x130/0x130 [ 279.154986] ? mark_held_locks+0x130/0x130 [ 279.159237] ? graph_lock+0x170/0x170 [ 279.163040] ? print_usage_bug+0xc0/0xc0 [ 279.167106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.171867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.177418] ? check_preemption_disabled+0x48/0x200 [ 279.182437] ? check_preemption_disabled+0x48/0x200 [ 279.187469] ? __lock_is_held+0xb5/0x140 [ 279.191544] __alloc_pages_nodemask+0xa80/0xde0 [ 279.196214] ? graph_lock+0x170/0x170 [ 279.200019] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.205035] ? graph_lock+0x170/0x170 [ 279.208846] ? find_held_lock+0x36/0x1c0 [ 279.212926] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.217604] ? lock_downgrade+0x900/0x900 [ 279.221764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.227313] cache_grow_begin+0x91/0x8c0 [ 279.231380] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.235815] fallback_alloc+0x203/0x2e0 [ 279.239801] ____cache_alloc_node+0x1c7/0x1e0 [ 279.244306] kmem_cache_alloc_node+0xe3/0x730 [ 279.248805] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.253051] __alloc_skb+0x119/0x770 [ 279.256768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.262054] ? skb_scrub_packet+0x490/0x490 [ 279.266375] ? lock_downgrade+0x900/0x900 [ 279.270540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.276079] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.281532] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.286984] ? addrconf_rs_timer+0x6f0/0x6f0 [ 279.291419] ndisc_alloc_skb+0x144/0x340 [ 279.295501] ndisc_send_rs+0x331/0x6e0 [ 279.299407] addrconf_rs_timer+0x3c0/0x6f0 [ 279.303651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.307908] call_timer_fn+0x272/0x920 [ 279.311799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.316035] ? process_timeout+0x40/0x40 [ 279.320093] ? find_held_lock+0x36/0x1c0 [ 279.324162] ? mark_held_locks+0xc7/0x130 [ 279.328318] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.332914] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.337422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.341661] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.346247] ? trace_hardirqs_on+0xbd/0x310 [ 279.350605] ? kasan_check_read+0x11/0x20 [ 279.354758] ? __run_timers+0x7da/0xc70 [ 279.358735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.364192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.368436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.372673] __run_timers+0x7e5/0xc70 [ 279.376493] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.381862] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.386881] ? graph_lock+0x170/0x170 [ 279.390691] ? print_usage_bug+0xc0/0xc0 [ 279.394760] ? lock_release+0x970/0x970 [ 279.398736] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.403938] ? find_held_lock+0x36/0x1c0 [ 279.408023] ? graph_lock+0x170/0x170 [ 279.411830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.417373] ? check_preemption_disabled+0x48/0x200 [ 279.422418] ? __lock_is_held+0xb5/0x140 [ 279.426480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.432023] ? check_preemption_disabled+0x48/0x200 [ 279.437049] run_timer_softirq+0x52/0xb0 [ 279.441110] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.446135] __do_softirq+0x30b/0xad8 [ 279.449949] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.455058] ? pvclock_read_flags+0x160/0x160 [ 279.459556] ? lapic_next_event+0x5a/0x90 [ 279.463709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.469254] ? check_preemption_disabled+0x48/0x200 [ 279.474268] ? check_preemption_disabled+0x48/0x200 [ 279.479291] ? kvm_clock_read+0x18/0x30 [ 279.483270] ? kvm_sched_clock_read+0x9/0x20 [ 279.487687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.493230] ? check_preemption_disabled+0x48/0x200 [ 279.498265] irq_exit+0x17f/0x1c0 [ 279.501722] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.506565] ? smp_reschedule_interrupt+0x109/0x650 [ 279.511589] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.517478] ? interrupt_entry+0xb5/0xf0 [ 279.521546] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.526563] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.531583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.536430] ? trace_hardirqs_off+0x300/0x300 [ 279.540928] ? trace_hardirqs_off+0x300/0x300 [ 279.545431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.550975] ? check_preemption_disabled+0x48/0x200 [ 279.555993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.561541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.566403] apic_timer_interrupt+0xf/0x20 [ 279.570636] [ 279.572907] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 279.578193] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 279.597096] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 279.604804] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 279.612072] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 279.619338] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 279.626606] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 279.633871] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 279.641175] ? arch_local_irq_restore+0x45/0x52 [ 279.645863] dump_stack+0x26a/0x2b4 [ 279.649498] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.654691] ? mark_held_locks+0x130/0x130 [ 279.658929] ? mark_held_locks+0x130/0x130 [ 279.663189] dump_header+0x27b/0xf72 [ 279.666925] ? pagefault_out_of_memory+0x197/0x197 [ 279.671864] ? mark_held_locks+0x130/0x130 [ 279.676104] ? __lock_acquire+0x7ec/0x4ec0 [ 279.680340] ? mem_cgroup_charge_statistics+0x780/0x780 [ 279.685706] ? print_usage_bug+0xc0/0xc0 [ 279.689769] ? print_usage_bug+0xc0/0xc0 [ 279.693843] ? graph_lock+0x170/0x170 [ 279.697645] ? graph_lock+0x170/0x170 [ 279.701446] ? print_usage_bug+0xc0/0xc0 [ 279.705510] ? print_usage_bug+0xc0/0xc0 [ 279.709582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.715125] ? find_held_lock+0x36/0x1c0 [ 279.719197] ? mark_held_locks+0xc7/0x130 [ 279.723351] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 279.728460] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 279.733563] ? lockdep_hardirqs_on+0x421/0x5c0 [ 279.738149] ? trace_hardirqs_on+0xbd/0x310 [ 279.742470] ? kasan_check_read+0x11/0x20 [ 279.746621] ? ___ratelimit+0x36f/0x655 [ 279.750601] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.756052] ? trace_hardirqs_on+0x310/0x310 [ 279.760460] ? lock_downgrade+0x900/0x900 [ 279.764620] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.769727] ? ___ratelimit+0xaa/0x655 [ 279.773618] ? idr_get_free+0xec0/0xec0 [ 279.777596] ? kasan_check_write+0x14/0x20 [ 279.781836] ? do_raw_spin_lock+0xc1/0x200 [ 279.786082] oom_kill_process.cold.27+0x10/0x903 [ 279.790842] ? graph_lock+0x170/0x170 [ 279.794642] ? _raw_spin_unlock+0x2c/0x50 [ 279.798790] ? oom_badness+0xe6/0xaa0 [ 279.802601] ? oom_evaluate_task+0x540/0x540 [ 279.807013] ? find_held_lock+0x36/0x1c0 [ 279.811084] ? out_of_memory+0x974/0x14c0 [ 279.815235] ? lock_downgrade+0x900/0x900 [ 279.819387] ? check_preemption_disabled+0x48/0x200 [ 279.824429] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 279.830228] ? kasan_check_read+0x11/0x20 [ 279.834379] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.839669] ? rcu_bh_qs+0xc0/0xc0 [ 279.843215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.848229] ? oom_evaluate_task+0x302/0x540 [ 279.852647] out_of_memory+0xa86/0x14c0 [ 279.856638] ? oom_killer_disable+0x3a0/0x3a0 [ 279.861143] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 279.866082] ? __mutex_add_waiter+0x2a0/0x2a0 [ 279.870592] __alloc_pages_slowpath+0x2318/0x2d80 [ 279.875472] ? warn_alloc+0x120/0x120 [ 279.879286] ? find_get_entry+0x2f2/0xc40 [ 279.883446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.888982] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 279.893917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.899461] ? should_fail+0x22d/0xd01 [ 279.903368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.908480] ? __lock_is_held+0xb5/0x140 [ 279.912568] ? __lock_is_held+0xb5/0x140 [ 279.916637] ? find_held_lock+0x36/0x1c0 [ 279.920706] ? ___might_sleep+0x1ed/0x300 [ 279.924855] ? lock_release+0x970/0x970 [ 279.928831] ? arch_local_save_flags+0x40/0x40 [ 279.933437] ? __might_sleep+0x95/0x190 [ 279.937424] __alloc_pages_nodemask+0xa80/0xde0 [ 279.942101] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.947120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 279.952922] ? kasan_check_read+0x11/0x20 [ 279.957070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.962350] ? graph_lock+0x170/0x170 [ 279.966155] ? print_usage_bug+0xc0/0xc0 [ 279.970221] ? graph_lock+0x170/0x170 [ 279.974020] ? graph_lock+0x170/0x170 [ 279.977821] ? __do_page_cache_readahead+0x7ce/0x980 [ 279.982933] ? find_held_lock+0x36/0x1c0 [ 279.987003] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 279.992553] alloc_pages_current+0x10c/0x210 [ 279.996962] ? lock_downgrade+0x900/0x900 [ 280.001116] __page_cache_alloc+0x38f/0x5b0 [ 280.005453] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.011255] ? kasan_check_read+0x11/0x20 [ 280.015415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.020703] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 280.025375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.030930] ? check_preemption_disabled+0x48/0x200 [ 280.035966] filemap_fault+0x1594/0x25f0 [ 280.040050] ? __lock_page_or_retry+0xa00/0xa00 [ 280.044725] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.050527] ? kasan_check_read+0x11/0x20 [ 280.054683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.059965] ? rcu_bh_qs+0xc0/0xc0 [ 280.063521] ? filemap_map_pages+0xdea/0x1980 [ 280.068042] ? find_get_pages_range_tag+0x1320/0x1320 [ 280.073238] ? do_raw_spin_lock+0xc1/0x200 [ 280.077479] ? graph_lock+0x170/0x170 [ 280.081288] ? futex_wait_setup+0x266/0x3e0 [ 280.085631] ? lock_acquire+0x1ed/0x520 [ 280.089607] ? ext4_filemap_fault+0x7a/0xad [ 280.093945] ? lock_release+0x970/0x970 [ 280.097924] ? arch_local_save_flags+0x40/0x40 [ 280.102602] ? futex_wait_setup+0x3e0/0x3e0 [ 280.106924] ? print_usage_bug+0xc0/0xc0 [ 280.111001] ? down_read+0xb0/0x1d0 [ 280.114627] ? ext4_filemap_fault+0x7a/0xad [ 280.118953] ? __down_interruptible+0x700/0x700 [ 280.123637] ? find_held_lock+0x36/0x1c0 [ 280.127791] ext4_filemap_fault+0x82/0xad [ 280.131946] __do_fault+0x100/0x6b0 [ 280.135577] ? lock_downgrade+0x900/0x900 [ 280.139730] ? print_bad_pte+0x6c0/0x6c0 [ 280.143797] ? do_futex+0x249/0x26d0 [ 280.147523] ? kasan_check_read+0x11/0x20 [ 280.151675] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.156086] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 280.160674] ? add_mm_counter_fast+0xd0/0xd0 [ 280.165099] __handle_mm_fault+0x3709/0x53e0 [ 280.169525] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 280.174369] ? __fpu__restore_sig+0x62f/0x1680 [ 280.178962] ? graph_lock+0x170/0x170 [ 280.182763] ? print_usage_bug+0xc0/0xc0 [ 280.186825] ? graph_lock+0x170/0x170 [ 280.190629] ? graph_lock+0x170/0x170 [ 280.194428] ? graph_lock+0x170/0x170 [ 280.198251] ? handle_mm_fault+0x42a/0xc70 [ 280.202489] ? lock_downgrade+0x900/0x900 [ 280.206645] ? check_preemption_disabled+0x48/0x200 [ 280.211673] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.217472] ? kasan_check_read+0x11/0x20 [ 280.221626] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.226911] ? rcu_bh_qs+0xc0/0xc0 [ 280.230452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.235915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.241455] ? check_preemption_disabled+0x48/0x200 [ 280.246488] handle_mm_fault+0x54f/0xc70 [ 280.250554] ? __handle_mm_fault+0x53e0/0x53e0 [ 280.255142] ? find_vma+0x34/0x190 [ 280.258689] __do_page_fault+0x67d/0xed0 [ 280.262761] ? mm_fault_error+0x380/0x380 [ 280.266912] ? trace_hardirqs_off+0xb8/0x300 [ 280.271325] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.276687] ? trace_hardirqs_on+0x310/0x310 [ 280.281106] do_page_fault+0xf2/0x7e0 [ 280.284915] ? vmalloc_sync_all+0x30/0x30 [ 280.289068] ? error_entry+0x70/0xd0 [ 280.292786] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.297804] ? trace_hardirqs_on_caller+0xc0/0x300 [ 280.302737] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.307667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.312508] ? trace_hardirqs_off+0x300/0x300 [ 280.317272] ? trace_hardirqs_off_caller+0x300/0x300 [ 280.322380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.327934] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.332954] ? page_fault+0x8/0x30 [ 280.336499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.341350] ? page_fault+0x8/0x30 [ 280.344895] page_fault+0x1e/0x30 [ 280.348351] RIP: 0033:0x407e06 [ 280.351563] Code: Bad RIP value. [ 280.354932] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 280.360294] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 280.367562] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 280.374829] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 280.382112] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 280.389386] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 280.396701] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 280.396707] warn_alloc_show_mem: 1 callbacks suppressed [ 280.396714] Mem-Info: [ 280.403900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.409271] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 280.409271] active_file:16 inactive_file:17 isolated_file:1 [ 280.409271] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.409271] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 280.409271] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 280.409271] free:13718 free_pcp:223 free_cma:0 [ 280.411643] Call Trace: [ 280.421030] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.454130] [ 280.456704] Node 0 [ 280.484379] dump_stack+0x1c4/0x2b4 [ 280.486537] 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 [ 280.488743] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.492338] lowmem_reserve[]: 0 [ 280.517854] warn_alloc.cold.118+0xb7/0x1bd [ 280.523008] 2817 [ 280.526280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.530571] 6321 6321 [ 280.532638] ? lock_downgrade+0x900/0x900 [ 280.537454] Node 0 [ 280.539948] ? trace_hardirqs_off+0xb8/0x300 [ 280.544093] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.546306] ? trace_hardirqs_off+0xb8/0x300 [ 280.550681] lowmem_reserve[]: 0 [ 280.577433] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.581806] 0 [ 280.585113] ? warn_alloc+0x120/0x120 [ 280.589906] 3503 [ 280.591707] ? trace_hardirqs_on+0x310/0x310 [ 280.595472] 3503 [ 280.597537] ? warn_alloc+0x120/0x120 [ 280.601928] Node 0 [ 280.603990] ? print_usage_bug+0xc0/0xc0 [ 280.607787] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 280.609991] ? warn_alloc+0x120/0x120 [ 280.614027] lowmem_reserve[]: [ 280.642480] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.642496] ? print_usage_bug+0xc0/0xc0 [ 280.646278] 0 [ 280.649377] ? __lock_acquire+0x7ec/0x4ec0 [ 280.654373] 0 [ 280.658439] ? __lock_acquire+0x7ec/0x4ec0 [ 280.660209] 0 0 [ 280.664448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.666251] Node 0 [ 280.670480] ? should_fail+0x22d/0xd01 [ 280.672429] DMA: [ 280.677958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.680172] 1*4kB [ 280.684049] ? __lock_acquire+0x7ec/0x4ec0 [ 280.686085] (U) [ 280.691181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.693303] 0*8kB [ 280.697531] ? __lock_acquire+0x7ec/0x4ec0 [ 280.699481] 0*16kB 1*32kB [ 280.704584] ? should_fail+0x22d/0xd01 [ 280.706710] (U) [ 280.710950] ? print_usage_bug+0xc0/0xc0 [ 280.713773] 2*64kB [ 280.717655] ? mark_held_locks+0x130/0x130 [ 280.719604] (U) [ 280.723661] ? mark_held_locks+0x130/0x130 [ 280.725868] 1*128kB (U) [ 280.730111] ? graph_lock+0x170/0x170 [ 280.732058] 1*256kB [ 280.736286] ? print_usage_bug+0xc0/0xc0 [ 280.738931] (U) [ 280.742727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.745018] 0*512kB 1*1024kB [ 280.749082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.751027] (U) 1*2048kB [ 280.755791] ? check_preemption_disabled+0x48/0x200 [ 280.758863] (M) 3*4096kB [ 280.764418] ? check_preemption_disabled+0x48/0x200 [ 280.767140] (M) [ 280.772156] ? __lock_is_held+0xb5/0x140 [ 280.774885] = 15908kB [ 280.779896] __alloc_pages_nodemask+0xa80/0xde0 [ 280.781851] Node 0 [ 280.785902] ? graph_lock+0x170/0x170 [ 280.788288] DMA32: 2*4kB [ 280.792963] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.795260] (M) [ 280.799055] ? graph_lock+0x170/0x170 [ 280.801787] 0*8kB 3*16kB [ 280.806817] ? find_held_lock+0x36/0x1c0 [ 280.808752] (M) 1*32kB [ 280.812561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.815282] (M) 2*64kB [ 280.819347] ? lock_downgrade+0x900/0x900 [ 280.821905] (M) 4*128kB [ 280.826582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.829136] (UM) [ 280.833286] cache_grow_begin+0x91/0x8c0 [ 280.835929] 3*256kB [ 280.841466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.843503] (UM) [ 280.847561] fallback_alloc+0x203/0x2e0 [ 280.849848] 4*512kB (UM) [ 280.854261] ____cache_alloc_node+0x1c7/0x1e0 [ 280.856289] 3*1024kB (M) [ 280.860267] kmem_cache_alloc_node+0xe3/0x730 [ 280.862991] 3*2048kB (UM) [ 280.867489] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.870212] 3*4096kB (M) [ 280.874715] __alloc_skb+0x119/0x770 [ 280.877522] = 25048kB [ 280.877531] Node 0 [ 280.881762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.884483] Normal: 865*4kB [ 280.888204] ? skb_scrub_packet+0x490/0x490 [ 280.890588] (UMEH) [ 280.892818] ? lock_downgrade+0x900/0x900 [ 280.892841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.898082] 401*8kB (UMEH) [ 280.901107] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.905401] 165*16kB (UMEH) 83*32kB [ 280.907647] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.911764] (UMEH) [ 280.917298] ? addrconf_rs_timer+0x6f0/0x6f0 [ 280.920200] 31*64kB (UMH) [ 280.925663] ndisc_alloc_skb+0x144/0x340 [ 280.929336] 0*128kB 0*256kB [ 280.934791] ndisc_send_rs+0x331/0x6e0 [ 280.936996] 0*512kB 0*1024kB [ 280.941507] addrconf_rs_timer+0x3c0/0x6f0 [ 280.944318] 0*2048kB 0*4096kB [ 280.948386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.951383] = 13948kB [ 280.955281] call_timer_fn+0x272/0x920 [ 280.958355] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 280.962573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.965747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 280.969972] ? process_timeout+0x40/0x40 [ 280.972359] 413 total pagecache pages [ 280.976240] ? find_held_lock+0x36/0x1c0 [ 280.985060] 0 pages in swap cache [ 280.989282] ? __run_timers+0x7da/0xc70 [ 280.997829] Swap cache stats: add 0, delete 0, find 0/0 [ 281.001880] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.005653] Free swap = 0kB [ 281.009704] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.013133] Total swap = 0kB [ 281.017099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.022437] 1965979 pages RAM [ 281.026927] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.029925] 0 pages HighMem/MovableOnly [ 281.034421] ? trace_hardirqs_on+0xbd/0x310 [ 281.037429] 342744 pages reserved [ 281.037437] 0 pages cma reserved [ 281.041667] ? kasan_check_read+0x11/0x20 [ 281.044899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.049420] ? __run_timers+0x7da/0xc70 [ 281.053436] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.057683] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.061112] syz-fuzzer cpuset= [ 281.064477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.068600] / [ 281.075094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.079042] mems_allowed=0 [ 281.089259] __run_timers+0x7e5/0xc70 [ 281.114717] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.120087] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.125111] ? graph_lock+0x170/0x170 [ 281.128920] ? enqueue_hrtimer+0x1a5/0x560 [ 281.133158] ? lock_release+0x970/0x970 [ 281.137132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.142333] ? find_held_lock+0x36/0x1c0 [ 281.146415] ? graph_lock+0x170/0x170 [ 281.150220] ? pvclock_read_flags+0x160/0x160 [ 281.154715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.160257] ? check_preemption_disabled+0x48/0x200 [ 281.165297] ? __lock_is_held+0xb5/0x140 [ 281.169363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.174916] ? check_preemption_disabled+0x48/0x200 [ 281.179950] run_timer_softirq+0x52/0xb0 [ 281.184016] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.189036] __do_softirq+0x30b/0xad8 [ 281.192868] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.197979] ? pvclock_read_flags+0x160/0x160 [ 281.202474] ? lapic_next_event+0x5a/0x90 [ 281.206621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.212161] ? check_preemption_disabled+0x48/0x200 [ 281.217176] ? check_preemption_disabled+0x48/0x200 [ 281.222200] ? kvm_clock_read+0x18/0x30 [ 281.226179] ? kvm_sched_clock_read+0x9/0x20 [ 281.230595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.236233] ? check_preemption_disabled+0x48/0x200 [ 281.241278] irq_exit+0x17f/0x1c0 [ 281.244756] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.249599] ? smp_reschedule_interrupt+0x109/0x650 [ 281.254618] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.260504] ? interrupt_entry+0xb5/0xf0 [ 281.264568] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.269586] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.274606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.279453] ? trace_hardirqs_off+0x300/0x300 [ 281.283946] ? trace_hardirqs_off+0x300/0x300 [ 281.288450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.294000] ? check_preemption_disabled+0x48/0x200 [ 281.299026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.304572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.309448] apic_timer_interrupt+0xf/0x20 [ 281.313695] [ 281.315940] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 281.320871] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 281.339956] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 281.347669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 281.354936] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 281.362201] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 281.369467] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 281.376736] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 281.384055] skb_clone+0x1bb/0x500 [ 281.387597] ? finish_task_switch+0x1b5/0x900 [ 281.392092] ? skb_split+0x11e0/0x11e0 [ 281.395984] ? preempt_notifier_register+0x200/0x200 [ 281.401090] ? __switch_to_asm+0x34/0x70 [ 281.405153] ? __switch_to_asm+0x34/0x70 [ 281.409214] ? __switch_to_asm+0x40/0x70 [ 281.413271] ? __switch_to_asm+0x34/0x70 [ 281.417335] ? __switch_to_asm+0x40/0x70 [ 281.421408] ? __switch_to_asm+0x34/0x70 [ 281.425467] ? __switch_to_asm+0x40/0x70 [ 281.429525] ? __switch_to_asm+0x34/0x70 [ 281.433586] ? __switch_to_asm+0x34/0x70 [ 281.437646] ? __switch_to_asm+0x40/0x70 [ 281.441708] ? __switch_to_asm+0x34/0x70 [ 281.445784] bpf_clone_redirect+0xb9/0x490 [ 281.450027] ? __schedule+0x874/0x1ed0 [ 281.453925] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 281.458949] ? __sched_text_start+0x8/0x8 [ 281.463102] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.467878] ? find_held_lock+0x36/0x1c0 [ 281.471951] ? lock_acquire+0x1ed/0x520 [ 281.475930] ? bpf_test_run+0x32e/0x5a0 [ 281.479908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.485452] ? check_preemption_disabled+0x48/0x200 [ 281.490481] ? kasan_check_read+0x11/0x20 [ 281.494631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.499956] ? rcu_bh_qs+0xc0/0xc0 [ 281.503500] ? preempt_schedule+0x4d/0x60 [ 281.507658] ? ___preempt_schedule+0x16/0x18 [ 281.512094] ? bpf_test_run+0x1c0/0x5a0 [ 281.516080] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.520497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.526037] ? bpf_test_init.isra.9+0x70/0x100 [ 281.530631] ? bpf_prog_test_run_skb+0x634/0xb40 [ 281.535408] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.540254] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.545793] ? fput+0x130/0x1a0 [ 281.549079] ? __bpf_prog_get+0x9b/0x290 [ 281.553149] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.557994] ? bpf_prog_test_run+0x130/0x1a0 [ 281.562434] ? __x64_sys_bpf+0x3d8/0x510 [ 281.566499] ? bpf_prog_get+0x20/0x20 [ 281.570313] ? ksys_ioctl+0x81/0xd0 [ 281.573952] ? do_syscall_64+0x1b9/0x820 [ 281.578015] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.583388] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.588343] ? trace_hardirqs_off+0x300/0x300 [ 281.592848] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.597867] ? recalc_sigpending_tsk+0x180/0x180 [ 281.602630] ? kasan_check_write+0x14/0x20 [ 281.606876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.611733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.617123] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 281.617194] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.624052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.624057] Call Trace: [ 281.624064] [ 281.624083] dump_stack+0x1c4/0x2b4 [ 281.624105] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.630642] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.639951] warn_alloc.cold.118+0xb7/0x1bd [ 281.642501] syz-executor0 cpuset= [ 281.644649] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.648247] syz0 [ 281.653441] ? lock_downgrade+0x900/0x900 [ 281.663898] mems_allowed=0 [ 281.685515] ? trace_hardirqs_off+0xb8/0x300 [ 281.689943] ? trace_hardirqs_off+0xb8/0x300 [ 281.694367] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.699514] ? warn_alloc+0x120/0x120 [ 281.703322] ? warn_alloc+0x120/0x120 [ 281.707130] ? print_usage_bug+0xc0/0xc0 [ 281.711193] ? warn_alloc+0x120/0x120 [ 281.714999] ? print_usage_bug+0xc0/0xc0 [ 281.719063] ? __lock_acquire+0x7ec/0x4ec0 [ 281.723296] ? __lock_acquire+0x7ec/0x4ec0 [ 281.727534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.733077] ? should_fail+0x22d/0xd01 [ 281.736976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.742081] ? __lock_acquire+0x7ec/0x4ec0 [ 281.746327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.751432] ? __lock_acquire+0x7ec/0x4ec0 [ 281.755665] ? should_fail+0x22d/0xd01 [ 281.759568] ? mark_held_locks+0x130/0x130 [ 281.763810] ? mark_held_locks+0x130/0x130 [ 281.768046] ? graph_lock+0x170/0x170 [ 281.771845] ? graph_lock+0x170/0x170 [ 281.775652] ? graph_lock+0x170/0x170 [ 281.779457] ? print_usage_bug+0xc0/0xc0 [ 281.783523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.789062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.794602] ? check_preemption_disabled+0x48/0x200 [ 281.799618] ? check_preemption_disabled+0x48/0x200 [ 281.804651] ? __lock_is_held+0xb5/0x140 [ 281.808725] __alloc_pages_nodemask+0xa80/0xde0 [ 281.813406] ? graph_lock+0x170/0x170 [ 281.817217] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.822233] ? graph_lock+0x170/0x170 [ 281.826073] ? find_held_lock+0x36/0x1c0 [ 281.830145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.834818] ? lock_downgrade+0x900/0x900 [ 281.838981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.844526] cache_grow_begin+0x91/0x8c0 [ 281.848590] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.853098] fallback_alloc+0x203/0x2e0 [ 281.857082] ____cache_alloc_node+0x1c7/0x1e0 [ 281.861598] kmem_cache_alloc_node+0xe3/0x730 [ 281.866100] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.870349] __alloc_skb+0x119/0x770 [ 281.874065] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.879351] ? skb_scrub_packet+0x490/0x490 [ 281.883676] ? lock_downgrade+0x900/0x900 [ 281.887833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.893375] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.898838] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.904292] ? addrconf_rs_timer+0x6f0/0x6f0 [ 281.908722] ndisc_alloc_skb+0x144/0x340 [ 281.912797] ndisc_send_rs+0x331/0x6e0 [ 281.916695] addrconf_rs_timer+0x3c0/0x6f0 [ 281.920940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.925191] call_timer_fn+0x272/0x920 [ 281.929079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.933314] ? process_timeout+0x40/0x40 [ 281.937373] ? find_held_lock+0x36/0x1c0 [ 281.941454] ? mark_held_locks+0xc7/0x130 [ 281.945610] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.950104] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.954602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.958837] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.963427] ? trace_hardirqs_on+0xbd/0x310 [ 281.967751] ? kasan_check_read+0x11/0x20 [ 281.971916] ? __run_timers+0x7da/0xc70 [ 281.975894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.981364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.985619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.989860] __run_timers+0x7e5/0xc70 [ 281.993680] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.999046] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.004064] ? graph_lock+0x170/0x170 [ 282.007871] ? print_usage_bug+0xc0/0xc0 [ 282.011936] ? lock_release+0x970/0x970 [ 282.015920] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.021120] ? find_held_lock+0x36/0x1c0 [ 282.025194] ? graph_lock+0x170/0x170 [ 282.029000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.034543] ? check_preemption_disabled+0x48/0x200 [ 282.039576] ? __lock_is_held+0xb5/0x140 [ 282.043642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.049185] ? check_preemption_disabled+0x48/0x200 [ 282.054212] run_timer_softirq+0x52/0xb0 [ 282.058277] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.063296] __do_softirq+0x30b/0xad8 [ 282.067116] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.072227] ? pvclock_read_flags+0x160/0x160 [ 282.076726] ? lapic_next_event+0x5a/0x90 [ 282.080879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.086431] ? check_preemption_disabled+0x48/0x200 [ 282.091453] ? check_preemption_disabled+0x48/0x200 [ 282.096479] ? kvm_clock_read+0x18/0x30 [ 282.100458] ? kvm_sched_clock_read+0x9/0x20 [ 282.104872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.110426] ? check_preemption_disabled+0x48/0x200 [ 282.115458] irq_exit+0x17f/0x1c0 [ 282.118923] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.123764] ? smp_reschedule_interrupt+0x109/0x650 [ 282.128781] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.134665] ? interrupt_entry+0xb5/0xf0 [ 282.138732] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.143749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.148772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.153620] ? trace_hardirqs_off+0x300/0x300 [ 282.158117] ? trace_hardirqs_off+0x300/0x300 [ 282.162617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.168162] ? check_preemption_disabled+0x48/0x200 [ 282.173181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.178728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.183583] apic_timer_interrupt+0xf/0x20 [ 282.187816] [ 282.190058] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 282.195335] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 282.214246] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 282.221968] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 282.229240] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 282.236512] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 282.243780] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 282.251057] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 282.258353] ? arch_local_irq_restore+0x45/0x52 [ 282.263033] dump_stack+0x26a/0x2b4 [ 282.266664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.271863] ? mark_held_locks+0x130/0x130 [ 282.276101] ? mark_held_locks+0x130/0x130 [ 282.280347] dump_header+0x27b/0xf72 [ 282.284078] ? pagefault_out_of_memory+0x197/0x197 [ 282.289015] ? mark_held_locks+0x130/0x130 [ 282.293252] ? __lock_acquire+0x7ec/0x4ec0 [ 282.297490] ? mem_cgroup_charge_statistics+0x780/0x780 [ 282.302854] ? print_usage_bug+0xc0/0xc0 [ 282.306920] ? print_usage_bug+0xc0/0xc0 [ 282.310992] ? graph_lock+0x170/0x170 [ 282.315162] ? graph_lock+0x170/0x170 [ 282.318971] ? print_usage_bug+0xc0/0xc0 [ 282.323033] ? print_usage_bug+0xc0/0xc0 [ 282.327107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.332655] ? find_held_lock+0x36/0x1c0 [ 282.336725] ? mark_held_locks+0xc7/0x130 [ 282.340881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.345988] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.351093] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.355677] ? trace_hardirqs_on+0xbd/0x310 [ 282.359999] ? kasan_check_read+0x11/0x20 [ 282.364146] ? ___ratelimit+0x36f/0x655 [ 282.368125] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.373578] ? trace_hardirqs_on+0x310/0x310 [ 282.377988] ? lock_downgrade+0x900/0x900 [ 282.382145] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.387252] ? ___ratelimit+0xaa/0x655 [ 282.391146] ? idr_get_free+0xec0/0xec0 [ 282.395127] ? kasan_check_write+0x14/0x20 [ 282.399371] ? do_raw_spin_lock+0xc1/0x200 [ 282.403626] oom_kill_process.cold.27+0x10/0x903 [ 282.408399] ? graph_lock+0x170/0x170 [ 282.412218] ? _raw_spin_unlock+0x2c/0x50 [ 282.416371] ? oom_badness+0xe6/0xaa0 [ 282.420191] ? oom_evaluate_task+0x540/0x540 [ 282.424604] ? find_held_lock+0x36/0x1c0 [ 282.428673] ? out_of_memory+0x974/0x14c0 [ 282.432826] ? lock_downgrade+0x900/0x900 [ 282.436981] ? check_preemption_disabled+0x48/0x200 [ 282.442010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.448282] ? kasan_check_read+0x11/0x20 [ 282.452433] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.457714] ? rcu_bh_qs+0xc0/0xc0 [ 282.461259] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.466276] ? oom_evaluate_task+0x302/0x540 [ 282.470692] out_of_memory+0xa86/0x14c0 [ 282.474678] ? oom_killer_disable+0x3a0/0x3a0 [ 282.479174] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 282.484112] ? __mutex_add_waiter+0x2a0/0x2a0 [ 282.488625] __alloc_pages_slowpath+0x2318/0x2d80 [ 282.493508] ? warn_alloc+0x120/0x120 [ 282.497325] ? find_get_entry+0x2f2/0xc40 [ 282.501486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.507032] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 282.511963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.517515] ? should_fail+0x22d/0xd01 [ 282.521417] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.526529] ? __lock_is_held+0xb5/0x140 [ 282.530622] ? __lock_is_held+0xb5/0x140 [ 282.534698] ? find_held_lock+0x36/0x1c0 [ 282.538762] ? ___might_sleep+0x1ed/0x300 [ 282.542919] ? lock_release+0x970/0x970 [ 282.546899] ? arch_local_save_flags+0x40/0x40 [ 282.551504] ? __might_sleep+0x95/0x190 [ 282.555491] __alloc_pages_nodemask+0xa80/0xde0 [ 282.560176] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.565199] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.570998] ? kasan_check_read+0x11/0x20 [ 282.575150] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.580437] ? graph_lock+0x170/0x170 [ 282.584242] ? print_usage_bug+0xc0/0xc0 [ 282.588310] ? graph_lock+0x170/0x170 [ 282.592114] ? graph_lock+0x170/0x170 [ 282.595923] ? __do_page_cache_readahead+0x7ce/0x980 [ 282.601033] ? find_held_lock+0x36/0x1c0 [ 282.605100] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 282.610646] alloc_pages_current+0x10c/0x210 [ 282.615054] ? lock_downgrade+0x900/0x900 [ 282.619211] __page_cache_alloc+0x38f/0x5b0 [ 282.623535] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.629339] ? kasan_check_read+0x11/0x20 [ 282.633490] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.638771] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 282.643441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.648981] ? check_preemption_disabled+0x48/0x200 [ 282.654007] filemap_fault+0x1594/0x25f0 [ 282.658085] ? __lock_page_or_retry+0xa00/0xa00 [ 282.662755] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.668554] ? kasan_check_read+0x11/0x20 [ 282.672704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.677983] ? rcu_bh_qs+0xc0/0xc0 [ 282.681539] ? filemap_map_pages+0xdea/0x1980 [ 282.686052] ? find_get_pages_range_tag+0x1320/0x1320 [ 282.691248] ? do_raw_spin_lock+0xc1/0x200 [ 282.695488] ? graph_lock+0x170/0x170 [ 282.699293] ? futex_wait_setup+0x266/0x3e0 [ 282.703637] ? lock_acquire+0x1ed/0x520 [ 282.707612] ? ext4_filemap_fault+0x7a/0xad [ 282.711941] ? lock_release+0x970/0x970 [ 282.715924] ? arch_local_save_flags+0x40/0x40 [ 282.720522] ? futex_wait_setup+0x3e0/0x3e0 [ 282.724844] ? print_usage_bug+0xc0/0xc0 [ 282.728927] ? down_read+0xb0/0x1d0 [ 282.732557] ? ext4_filemap_fault+0x7a/0xad [ 282.736878] ? __down_interruptible+0x700/0x700 [ 282.741561] ? find_held_lock+0x36/0x1c0 [ 282.745627] ext4_filemap_fault+0x82/0xad [ 282.749783] __do_fault+0x100/0x6b0 [ 282.753421] ? lock_downgrade+0x900/0x900 [ 282.757576] ? print_bad_pte+0x6c0/0x6c0 [ 282.761638] ? do_futex+0x249/0x26d0 [ 282.765357] ? kasan_check_read+0x11/0x20 [ 282.769505] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.773925] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 282.778510] ? add_mm_counter_fast+0xd0/0xd0 [ 282.782938] __handle_mm_fault+0x3709/0x53e0 [ 282.787357] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 282.792200] ? __fpu__restore_sig+0x62f/0x1680 [ 282.796781] ? graph_lock+0x170/0x170 [ 282.800587] ? print_usage_bug+0xc0/0xc0 [ 282.804649] ? graph_lock+0x170/0x170 [ 282.808450] ? graph_lock+0x170/0x170 [ 282.812248] ? graph_lock+0x170/0x170 [ 282.816068] ? handle_mm_fault+0x42a/0xc70 [ 282.820303] ? lock_downgrade+0x900/0x900 [ 282.824453] ? check_preemption_disabled+0x48/0x200 [ 282.829479] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.835300] ? kasan_check_read+0x11/0x20 [ 282.839457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.844738] ? rcu_bh_qs+0xc0/0xc0 [ 282.848280] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.853732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.859271] ? check_preemption_disabled+0x48/0x200 [ 282.864298] handle_mm_fault+0x54f/0xc70 [ 282.868363] ? __handle_mm_fault+0x53e0/0x53e0 [ 282.872953] ? find_vma+0x34/0x190 [ 282.876507] __do_page_fault+0x67d/0xed0 [ 282.880583] ? mm_fault_error+0x380/0x380 [ 282.884733] ? trace_hardirqs_off+0xb8/0x300 [ 282.889143] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.894512] ? trace_hardirqs_on+0x310/0x310 [ 282.898934] do_page_fault+0xf2/0x7e0 [ 282.902737] ? vmalloc_sync_all+0x30/0x30 [ 282.906885] ? error_entry+0x70/0xd0 [ 282.910608] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.915622] ? trace_hardirqs_on_caller+0xc0/0x300 [ 282.920554] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.925485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.930327] ? trace_hardirqs_off+0x300/0x300 [ 282.934820] ? trace_hardirqs_off_caller+0x300/0x300 [ 282.939931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.945471] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.950491] ? page_fault+0x8/0x30 [ 282.954034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.958885] ? page_fault+0x8/0x30 [ 282.962443] page_fault+0x1e/0x30 [ 282.965892] RIP: 0033:0x407e06 [ 282.969092] Code: Bad RIP value. [ 282.972453] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 282.977814] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 282.985080] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 282.992348] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 282.999619] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 283.006886] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 283.014191] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 283.014197] warn_alloc_show_mem: 1 callbacks suppressed [ 283.014204] Mem-Info: [ 283.021391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.021409] Call Trace: [ 283.026780] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 283.026780] active_file:16 inactive_file:17 isolated_file:1 [ 283.026780] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.026780] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 283.026780] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 283.026780] free:13718 free_pcp:223 free_cma:0 [ 283.029155] [ 283.038521] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 283.041103] dump_stack+0x1c4/0x2b4 [ 283.073960] Node 0 [ 283.076113] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.103781] 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 [ 283.107411] warn_alloc.cold.118+0xb7/0x1bd [ 283.109596] lowmem_reserve[]: 0 [ 283.114789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.140280] 2817 [ 283.144611] ? lock_downgrade+0x900/0x900 [ 283.147851] 6321 6321 [ 283.152705] ? trace_hardirqs_off+0xb8/0x300 [ 283.154740] Node 0 [ 283.158884] ? trace_hardirqs_off+0xb8/0x300 [ 283.161380] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.165761] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.167975] lowmem_reserve[]: [ 283.172421] ? warn_alloc+0x120/0x120 [ 283.199081] 0 0 [ 283.203948] ? warn_alloc+0x120/0x120 [ 283.207014] 3503 [ 283.210820] ? print_usage_bug+0xc0/0xc0 [ 283.212759] 3503 [ 283.216560] ? warn_alloc+0x120/0x120 [ 283.218599] Node 0 [ 283.222656] ? print_usage_bug+0xc0/0xc0 [ 283.224716] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 283.228490] ? __lock_acquire+0x7ec/0x4ec0 [ 283.230692] lowmem_reserve[]: 0 [ 283.234763] ? __lock_acquire+0x7ec/0x4ec0 [ 283.263107] 0 0 [ 283.267363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.270602] 0 [ 283.274840] ? should_fail+0x22d/0xd01 [ 283.276787] Node 0 [ 283.282320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.284092] DMA: 1*4kB [ 283.287983] ? __lock_acquire+0x7ec/0x4ec0 [ 283.290191] (U) [ 283.295291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.297848] 0*8kB [ 283.302077] ? __lock_acquire+0x7ec/0x4ec0 [ 283.304032] 0*16kB [ 283.309126] ? should_fail+0x22d/0xd01 [ 283.311249] 1*32kB [ 283.315486] ? mark_held_locks+0x130/0x130 [ 283.317687] (U) [ 283.321568] ? mark_held_locks+0x130/0x130 [ 283.323776] 2*64kB (U) [ 283.328017] ? graph_lock+0x170/0x170 [ 283.329975] 1*128kB [ 283.334199] ? graph_lock+0x170/0x170 [ 283.336762] (U) [ 283.340555] ? graph_lock+0x170/0x170 [ 283.342851] 1*256kB (U) [ 283.346653] ? print_usage_bug+0xc0/0xc0 [ 283.348599] 0*512kB 1*1024kB [ 283.352414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.355045] (U) 1*2048kB [ 283.359111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.362188] (M) [ 283.367718] ? check_preemption_disabled+0x48/0x200 [ 283.370441] 3*4096kB (M) [ 283.375984] ? check_preemption_disabled+0x48/0x200 [ 283.377934] = 15908kB [ 283.382951] ? __lock_is_held+0xb5/0x140 [ 283.385679] Node 0 [ 283.390693] __alloc_pages_nodemask+0xa80/0xde0 [ 283.393074] DMA32: [ 283.397128] ? graph_lock+0x170/0x170 [ 283.399341] 2*4kB [ 283.404004] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.406214] (M) [ 283.410004] ? graph_lock+0x170/0x170 [ 283.412127] 0*8kB 3*16kB [ 283.417156] ? find_held_lock+0x36/0x1c0 [ 283.419092] (M) 1*32kB [ 283.422899] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.425622] (M) 2*64kB [ 283.429684] ? lock_downgrade+0x900/0x900 [ 283.432244] (M) [ 283.436910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.439473] 4*128kB [ 283.443612] cache_grow_begin+0x91/0x8c0 [ 283.445557] (UM) [ 283.451086] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.453383] 3*256kB [ 283.457450] fallback_alloc+0x203/0x2e0 [ 283.459485] (UM) [ 283.463888] ____cache_alloc_node+0x1c7/0x1e0 [ 283.466177] 4*512kB (UM) [ 283.470153] kmem_cache_alloc_node+0xe3/0x730 [ 283.472186] 3*1024kB (M) [ 283.476683] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.479422] 3*2048kB [ 283.483918] __alloc_skb+0x119/0x770 [ 283.486649] (UM) [ 283.490878] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.493259] 3*4096kB (M) [ 283.496977] ? skb_scrub_packet+0x490/0x490 [ 283.499018] = 25048kB [ 283.504288] ? lock_downgrade+0x900/0x900 [ 283.507023] Node 0 [ 283.511343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.513727] Normal: [ 283.517866] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.520077] 865*4kB [ 283.525603] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.527898] (UMEH) [ 283.533346] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.535636] 401*8kB (UMEH) [ 283.541094] ndisc_alloc_skb+0x144/0x340 [ 283.543289] 165*16kB (UMEH) [ 283.547705] ndisc_send_rs+0x331/0x6e0 [ 283.550608] 83*32kB (UMEH) [ 283.554673] addrconf_rs_timer+0x3c0/0x6f0 [ 283.557658] 31*64kB (UMH) [ 283.561548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.564452] 0*128kB 0*256kB [ 283.568699] call_timer_fn+0x272/0x920 [ 283.571508] 0*512kB [ 283.575737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.578727] 0*1024kB 0*2048kB [ 283.582616] ? process_timeout+0x40/0x40 [ 283.584919] 0*4096kB [ 283.589146] ? find_held_lock+0x36/0x1c0 [ 283.592311] = 13948kB [ 283.596370] ? __run_timers+0x7da/0xc70 [ 283.598755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.602801] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.605190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.609149] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.617964] 413 total pagecache pages [ 283.622452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.631008] 0 pages in swap cache [ 283.635486] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.639259] Swap cache stats: add 0, delete 0, find 0/0 [ 283.639267] Free swap = 0kB [ 283.643498] ? trace_hardirqs_on+0xbd/0x310 [ 283.646920] Total swap = 0kB [ 283.646928] 1965979 pages RAM [ 283.651504] ? kasan_check_read+0x11/0x20 [ 283.656839] 0 pages HighMem/MovableOnly [ 283.659854] ? __run_timers+0x7da/0xc70 [ 283.664144] 342744 pages reserved [ 283.664152] 0 pages cma reserved [ 283.667164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.670322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.674390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.674429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.678445] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.682362] __run_timers+0x7e5/0xc70 [ 283.685789] syz-fuzzer cpuset= [ 283.689159] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.694574] / [ 283.701058] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.705267] mems_allowed=0 [ 283.709494] ? graph_lock+0x170/0x170 [ 283.745433] ? enqueue_hrtimer+0x1a5/0x560 [ 283.749670] ? lock_release+0x970/0x970 [ 283.753646] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.758841] ? find_held_lock+0x36/0x1c0 [ 283.762906] ? graph_lock+0x170/0x170 [ 283.766713] ? pvclock_read_flags+0x160/0x160 [ 283.771211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.776758] ? check_preemption_disabled+0x48/0x200 [ 283.781785] ? __lock_is_held+0xb5/0x140 [ 283.785852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.791400] ? check_preemption_disabled+0x48/0x200 [ 283.796446] run_timer_softirq+0x52/0xb0 [ 283.800508] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.806311] __do_softirq+0x30b/0xad8 [ 283.810129] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.815237] ? pvclock_read_flags+0x160/0x160 [ 283.819736] ? lapic_next_event+0x5a/0x90 [ 283.823889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.829436] ? check_preemption_disabled+0x48/0x200 [ 283.834456] ? check_preemption_disabled+0x48/0x200 [ 283.839481] ? kvm_clock_read+0x18/0x30 [ 283.843466] ? kvm_sched_clock_read+0x9/0x20 [ 283.847878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.853432] ? check_preemption_disabled+0x48/0x200 [ 283.858469] irq_exit+0x17f/0x1c0 [ 283.861930] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.866772] ? smp_reschedule_interrupt+0x109/0x650 [ 283.871792] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.877680] ? interrupt_entry+0xb5/0xf0 [ 283.881745] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.886773] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.891796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.896645] ? trace_hardirqs_off+0x300/0x300 [ 283.901139] ? trace_hardirqs_off+0x300/0x300 [ 283.905636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.911176] ? check_preemption_disabled+0x48/0x200 [ 283.916192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.921742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.926596] apic_timer_interrupt+0xf/0x20 [ 283.930825] [ 283.933063] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 283.937998] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 283.956934] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 283.964642] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 283.971911] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 283.979178] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 283.986453] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 283.993721] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.001040] skb_clone+0x1bb/0x500 [ 284.004581] ? finish_task_switch+0x1b5/0x900 [ 284.009076] ? skb_split+0x11e0/0x11e0 [ 284.012968] ? preempt_notifier_register+0x200/0x200 [ 284.018069] ? __switch_to_asm+0x34/0x70 [ 284.022132] ? __switch_to_asm+0x34/0x70 [ 284.026189] ? __switch_to_asm+0x40/0x70 [ 284.030246] ? __switch_to_asm+0x34/0x70 [ 284.034308] ? __switch_to_asm+0x40/0x70 [ 284.038368] ? __switch_to_asm+0x34/0x70 [ 284.042437] ? __switch_to_asm+0x40/0x70 [ 284.046494] ? __switch_to_asm+0x34/0x70 [ 284.050555] ? __switch_to_asm+0x34/0x70 [ 284.054613] ? __switch_to_asm+0x40/0x70 [ 284.058672] ? __switch_to_asm+0x34/0x70 [ 284.062741] bpf_clone_redirect+0xb9/0x490 [ 284.066978] ? __schedule+0x874/0x1ed0 [ 284.070870] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 284.075892] ? __sched_text_start+0x8/0x8 [ 284.080044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.084814] ? find_held_lock+0x36/0x1c0 [ 284.088887] ? lock_acquire+0x1ed/0x520 [ 284.092867] ? bpf_test_run+0x32e/0x5a0 [ 284.096841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.102385] ? check_preemption_disabled+0x48/0x200 [ 284.107436] ? kasan_check_read+0x11/0x20 [ 284.111591] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.116875] ? rcu_bh_qs+0xc0/0xc0 [ 284.120431] ? preempt_schedule+0x4d/0x60 [ 284.124582] ? ___preempt_schedule+0x16/0x18 [ 284.128998] ? bpf_test_run+0x1c0/0x5a0 [ 284.132984] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.137409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.142950] ? bpf_test_init.isra.9+0x70/0x100 [ 284.147537] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.152302] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.157164] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.162705] ? fput+0x130/0x1a0 [ 284.165986] ? __bpf_prog_get+0x9b/0x290 [ 284.170054] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.174898] ? bpf_prog_test_run+0x130/0x1a0 [ 284.179312] ? __x64_sys_bpf+0x3d8/0x510 [ 284.183376] ? bpf_prog_get+0x20/0x20 [ 284.187199] ? ksys_ioctl+0x81/0xd0 [ 284.190877] ? do_syscall_64+0x1b9/0x820 [ 284.194945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.200316] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.205268] ? trace_hardirqs_off+0x300/0x300 [ 284.209774] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.214790] ? recalc_sigpending_tsk+0x180/0x180 [ 284.219552] ? kasan_check_write+0x14/0x20 [ 284.223799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.228656] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.234041] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 284.234113] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.240964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.240973] Call Trace: [ 284.247551] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.256794] [ 284.259364] syz-executor0 cpuset= [ 284.269844] dump_stack+0x1c4/0x2b4 [ 284.271973] syz0 [ 284.275426] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.279036] mems_allowed=0 [ 284.281021] warn_alloc.cold.118+0xb7/0x1bd [ 284.293411] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.298263] ? lock_downgrade+0x900/0x900 [ 284.302429] ? trace_hardirqs_off+0xb8/0x300 [ 284.306851] ? trace_hardirqs_off+0xb8/0x300 [ 284.311271] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.316378] ? warn_alloc+0x120/0x120 [ 284.320199] ? warn_alloc+0x120/0x120 [ 284.324002] ? print_usage_bug+0xc0/0xc0 [ 284.328068] ? warn_alloc+0x120/0x120 [ 284.331869] ? print_usage_bug+0xc0/0xc0 [ 284.335937] ? __lock_acquire+0x7ec/0x4ec0 [ 284.340174] ? __lock_acquire+0x7ec/0x4ec0 [ 284.344420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.349960] ? should_fail+0x22d/0xd01 [ 284.353852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.358958] ? __lock_acquire+0x7ec/0x4ec0 [ 284.363198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.368299] ? __lock_acquire+0x7ec/0x4ec0 [ 284.372709] ? should_fail+0x22d/0xd01 [ 284.376611] ? mark_held_locks+0x130/0x130 [ 284.380851] ? mark_held_locks+0x130/0x130 [ 284.385086] ? graph_lock+0x170/0x170 [ 284.388888] ? graph_lock+0x170/0x170 [ 284.392699] ? graph_lock+0x170/0x170 [ 284.396499] ? print_usage_bug+0xc0/0xc0 [ 284.400565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.406106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.411648] ? check_preemption_disabled+0x48/0x200 [ 284.416669] ? check_preemption_disabled+0x48/0x200 [ 284.421700] ? __lock_is_held+0xb5/0x140 [ 284.425770] __alloc_pages_nodemask+0xa80/0xde0 [ 284.430443] ? graph_lock+0x170/0x170 [ 284.434255] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.439269] ? graph_lock+0x170/0x170 [ 284.443083] ? find_held_lock+0x36/0x1c0 [ 284.447630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.452304] ? lock_downgrade+0x900/0x900 [ 284.456462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.462015] cache_grow_begin+0x91/0x8c0 [ 284.466086] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.470508] fallback_alloc+0x203/0x2e0 [ 284.474491] ____cache_alloc_node+0x1c7/0x1e0 [ 284.478995] kmem_cache_alloc_node+0xe3/0x730 [ 284.483491] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.487742] __alloc_skb+0x119/0x770 [ 284.491458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.496741] ? skb_scrub_packet+0x490/0x490 [ 284.501068] ? lock_downgrade+0x900/0x900 [ 284.505227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.510770] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.516225] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.521681] ? addrconf_rs_timer+0x6f0/0x6f0 [ 284.526105] ndisc_alloc_skb+0x144/0x340 [ 284.530172] ndisc_send_rs+0x331/0x6e0 [ 284.534065] addrconf_rs_timer+0x3c0/0x6f0 [ 284.538311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.542565] call_timer_fn+0x272/0x920 [ 284.546462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.550703] ? process_timeout+0x40/0x40 [ 284.554764] ? find_held_lock+0x36/0x1c0 [ 284.558839] ? mark_held_locks+0xc7/0x130 [ 284.562991] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.567490] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.571988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.576223] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.580807] ? trace_hardirqs_on+0xbd/0x310 [ 284.585130] ? kasan_check_read+0x11/0x20 [ 284.589283] ? __run_timers+0x7da/0xc70 [ 284.593263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.598722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.602988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.607229] __run_timers+0x7e5/0xc70 [ 284.611046] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.616426] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.621450] ? graph_lock+0x170/0x170 [ 284.625256] ? print_usage_bug+0xc0/0xc0 [ 284.629316] ? lock_release+0x970/0x970 [ 284.633294] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.638498] ? find_held_lock+0x36/0x1c0 [ 284.642568] ? graph_lock+0x170/0x170 [ 284.646380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.651934] ? check_preemption_disabled+0x48/0x200 [ 284.656966] ? __lock_is_held+0xb5/0x140 [ 284.661033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.666576] ? check_preemption_disabled+0x48/0x200 [ 284.671606] run_timer_softirq+0x52/0xb0 [ 284.675670] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.680689] __do_softirq+0x30b/0xad8 [ 284.684504] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.689617] ? pvclock_read_flags+0x160/0x160 [ 284.694112] ? lapic_next_event+0x5a/0x90 [ 284.698263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.703803] ? check_preemption_disabled+0x48/0x200 [ 284.708825] ? check_preemption_disabled+0x48/0x200 [ 284.713851] ? kvm_clock_read+0x18/0x30 [ 284.717825] ? kvm_sched_clock_read+0x9/0x20 [ 284.722235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.727777] ? check_preemption_disabled+0x48/0x200 [ 284.732811] irq_exit+0x17f/0x1c0 [ 284.736268] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.741112] ? smp_reschedule_interrupt+0x109/0x650 [ 284.746133] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.752017] ? interrupt_entry+0xb5/0xf0 [ 284.756080] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.761096] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.766117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.770962] ? trace_hardirqs_off+0x300/0x300 [ 284.775457] ? trace_hardirqs_off+0x300/0x300 [ 284.779956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.785497] ? check_preemption_disabled+0x48/0x200 [ 284.790515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.796062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.800926] apic_timer_interrupt+0xf/0x20 [ 284.805154] [ 284.807405] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 284.812688] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 284.831612] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 284.839329] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 284.846600] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 284.853884] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 284.861154] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 284.868427] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 284.875719] ? arch_local_irq_restore+0x45/0x52 [ 284.880409] dump_stack+0x26a/0x2b4 [ 284.884045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.889239] ? mark_held_locks+0x130/0x130 [ 284.893480] ? mark_held_locks+0x130/0x130 [ 284.897722] dump_header+0x27b/0xf72 [ 284.901457] ? pagefault_out_of_memory+0x197/0x197 [ 284.906403] ? mark_held_locks+0x130/0x130 [ 284.910642] ? __lock_acquire+0x7ec/0x4ec0 [ 284.914881] ? mem_cgroup_charge_statistics+0x780/0x780 [ 284.920254] ? print_usage_bug+0xc0/0xc0 [ 284.924336] ? print_usage_bug+0xc0/0xc0 [ 284.928414] ? graph_lock+0x170/0x170 [ 284.932217] ? graph_lock+0x170/0x170 [ 284.936018] ? print_usage_bug+0xc0/0xc0 [ 284.940079] ? print_usage_bug+0xc0/0xc0 [ 284.944154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.949695] ? find_held_lock+0x36/0x1c0 [ 284.953767] ? mark_held_locks+0xc7/0x130 [ 284.957931] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.963035] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.968140] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.972723] ? trace_hardirqs_on+0xbd/0x310 [ 284.977046] ? kasan_check_read+0x11/0x20 [ 284.981197] ? ___ratelimit+0x36f/0x655 [ 284.985176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.990634] ? trace_hardirqs_on+0x310/0x310 [ 284.995046] ? lock_downgrade+0x900/0x900 [ 284.999202] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.004312] ? ___ratelimit+0xaa/0x655 [ 285.008208] ? idr_get_free+0xec0/0xec0 [ 285.012194] ? kasan_check_write+0x14/0x20 [ 285.016438] ? do_raw_spin_lock+0xc1/0x200 [ 285.020682] oom_kill_process.cold.27+0x10/0x903 [ 285.025447] ? graph_lock+0x170/0x170 [ 285.029247] ? _raw_spin_unlock+0x2c/0x50 [ 285.033406] ? oom_badness+0xe6/0xaa0 [ 285.037220] ? oom_evaluate_task+0x540/0x540 [ 285.041636] ? find_held_lock+0x36/0x1c0 [ 285.045706] ? out_of_memory+0x974/0x14c0 [ 285.049861] ? lock_downgrade+0x900/0x900 [ 285.054010] ? check_preemption_disabled+0x48/0x200 [ 285.059039] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.064843] ? kasan_check_read+0x11/0x20 [ 285.068995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.074278] ? rcu_bh_qs+0xc0/0xc0 [ 285.077823] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.082843] ? oom_evaluate_task+0x302/0x540 [ 285.087261] out_of_memory+0xa86/0x14c0 [ 285.091249] ? oom_killer_disable+0x3a0/0x3a0 [ 285.095748] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 285.100688] ? __mutex_add_waiter+0x2a0/0x2a0 [ 285.105199] __alloc_pages_slowpath+0x2318/0x2d80 [ 285.110076] ? warn_alloc+0x120/0x120 [ 285.113897] ? find_get_entry+0x2f2/0xc40 [ 285.118065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.123605] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 285.128536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.134075] ? should_fail+0x22d/0xd01 [ 285.137971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.143079] ? __lock_is_held+0xb5/0x140 [ 285.147173] ? __lock_is_held+0xb5/0x140 [ 285.151248] ? find_held_lock+0x36/0x1c0 [ 285.155319] ? ___might_sleep+0x1ed/0x300 [ 285.159469] ? lock_release+0x970/0x970 [ 285.163452] ? arch_local_save_flags+0x40/0x40 [ 285.168047] ? __might_sleep+0x95/0x190 [ 285.172056] __alloc_pages_nodemask+0xa80/0xde0 [ 285.176738] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.181762] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.187564] ? kasan_check_read+0x11/0x20 [ 285.191721] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.197002] ? graph_lock+0x170/0x170 [ 285.200803] ? print_usage_bug+0xc0/0xc0 [ 285.204867] ? graph_lock+0x170/0x170 [ 285.208669] ? graph_lock+0x170/0x170 [ 285.212477] ? __do_page_cache_readahead+0x7ce/0x980 [ 285.217593] ? find_held_lock+0x36/0x1c0 [ 285.221665] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 285.227212] alloc_pages_current+0x10c/0x210 [ 285.231625] ? lock_downgrade+0x900/0x900 [ 285.235780] __page_cache_alloc+0x38f/0x5b0 [ 285.240107] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.245911] ? kasan_check_read+0x11/0x20 [ 285.250063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.255348] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 285.260023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.265566] ? check_preemption_disabled+0x48/0x200 [ 285.270595] filemap_fault+0x1594/0x25f0 [ 285.274670] ? __lock_page_or_retry+0xa00/0xa00 [ 285.279343] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.285145] ? kasan_check_read+0x11/0x20 [ 285.289308] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.294592] ? rcu_bh_qs+0xc0/0xc0 [ 285.298149] ? filemap_map_pages+0xdea/0x1980 [ 285.302665] ? find_get_pages_range_tag+0x1320/0x1320 [ 285.307864] ? do_raw_spin_lock+0xc1/0x200 [ 285.312103] ? graph_lock+0x170/0x170 [ 285.315918] ? futex_wait_setup+0x266/0x3e0 [ 285.320261] ? lock_acquire+0x1ed/0x520 [ 285.324237] ? ext4_filemap_fault+0x7a/0xad [ 285.328569] ? lock_release+0x970/0x970 [ 285.332554] ? arch_local_save_flags+0x40/0x40 [ 285.337237] ? futex_wait_setup+0x3e0/0x3e0 [ 285.341556] ? print_usage_bug+0xc0/0xc0 [ 285.345630] ? down_read+0xb0/0x1d0 [ 285.349255] ? ext4_filemap_fault+0x7a/0xad [ 285.353578] ? __down_interruptible+0x700/0x700 [ 285.358260] ? find_held_lock+0x36/0x1c0 [ 285.362329] ext4_filemap_fault+0x82/0xad [ 285.366481] __do_fault+0x100/0x6b0 [ 285.370114] ? lock_downgrade+0x900/0x900 [ 285.374264] ? print_bad_pte+0x6c0/0x6c0 [ 285.378326] ? do_futex+0x249/0x26d0 [ 285.382050] ? kasan_check_read+0x11/0x20 [ 285.386205] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.390619] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.395205] ? add_mm_counter_fast+0xd0/0xd0 [ 285.399627] __handle_mm_fault+0x3709/0x53e0 [ 285.404046] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 285.408891] ? __fpu__restore_sig+0x62f/0x1680 [ 285.413481] ? graph_lock+0x170/0x170 [ 285.417290] ? print_usage_bug+0xc0/0xc0 [ 285.421349] ? graph_lock+0x170/0x170 [ 285.425148] ? graph_lock+0x170/0x170 [ 285.428948] ? graph_lock+0x170/0x170 [ 285.432769] ? handle_mm_fault+0x42a/0xc70 [ 285.437005] ? lock_downgrade+0x900/0x900 [ 285.441154] ? check_preemption_disabled+0x48/0x200 [ 285.446182] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.451982] ? kasan_check_read+0x11/0x20 [ 285.456140] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.461424] ? rcu_bh_qs+0xc0/0xc0 [ 285.464965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.470422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.475966] ? check_preemption_disabled+0x48/0x200 [ 285.480992] handle_mm_fault+0x54f/0xc70 [ 285.485062] ? __handle_mm_fault+0x53e0/0x53e0 [ 285.489647] ? find_vma+0x34/0x190 [ 285.493194] __do_page_fault+0x67d/0xed0 [ 285.497266] ? mm_fault_error+0x380/0x380 [ 285.501420] ? trace_hardirqs_off+0xb8/0x300 [ 285.505834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.511199] ? trace_hardirqs_on+0x310/0x310 [ 285.515617] do_page_fault+0xf2/0x7e0 [ 285.519429] ? vmalloc_sync_all+0x30/0x30 [ 285.523582] ? error_entry+0x70/0xd0 [ 285.527297] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.532311] ? trace_hardirqs_on_caller+0xc0/0x300 [ 285.537244] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.542176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.547023] ? trace_hardirqs_off+0x300/0x300 [ 285.551516] ? trace_hardirqs_off_caller+0x300/0x300 [ 285.556623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.562163] ? prepare_exit_to_usermode+0x291/0x3b0 [ 285.567181] ? page_fault+0x8/0x30 [ 285.570825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.575670] ? page_fault+0x8/0x30 [ 285.579215] page_fault+0x1e/0x30 [ 285.582665] RIP: 0033:0x407e06 [ 285.585863] Code: Bad RIP value. [ 285.589224] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 285.594587] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 285.601857] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 285.609121] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 285.616389] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 285.623666] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 285.630986] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 285.630992] warn_alloc_show_mem: 1 callbacks suppressed [ 285.630999] Mem-Info: [ 285.638185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.643550] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 285.643550] active_file:16 inactive_file:17 isolated_file:1 [ 285.643550] unevictable:0 dirty:0 writeback:0 unstable:0 [ 285.643550] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 285.643550] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 285.643550] free:13718 free_pcp:223 free_cma:0 [ 285.645924] Call Trace: [ 285.655313] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 285.688156] [ 285.690730] Node 0 [ 285.718411] dump_stack+0x1c4/0x2b4 [ 285.720570] 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 [ 285.722774] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.726369] lowmem_reserve[]: 0 [ 285.751906] warn_alloc.cold.118+0xb7/0x1bd [ 285.757061] 2817 6321 [ 285.760342] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.764634] 6321 [ 285.767133] ? lock_downgrade+0x900/0x900 [ 285.771949] Node 0 [ 285.774013] ? trace_hardirqs_off+0xb8/0x300 [ 285.778155] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 285.780361] ? trace_hardirqs_off+0xb8/0x300 [ 285.784738] lowmem_reserve[]: [ 285.811471] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.815850] 0 [ 285.818973] ? warn_alloc+0x120/0x120 [ 285.823767] 0 [ 285.825563] ? trace_hardirqs_on+0x310/0x310 [ 285.829338] 3503 [ 285.831160] ? warn_alloc+0x120/0x120 [ 285.835545] 3503 [ 285.837605] ? print_usage_bug+0xc0/0xc0 [ 285.843444] ? warn_alloc+0x120/0x120 [ 285.847478] Node 0 [ 285.851273] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.851308] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 285.853514] ? print_usage_bug+0xc0/0xc0 [ 285.858507] lowmem_reserve[]: [ 285.886871] ? __lock_acquire+0x7ec/0x4ec0 [ 285.890912] 0 [ 285.894011] ? __lock_acquire+0x7ec/0x4ec0 [ 285.898222] 0 [ 285.900019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.904221] 0 0 [ 285.906027] ? should_fail+0x22d/0xd01 [ 285.911535] Node 0 [ 285.913510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.917368] DMA: [ 285.919600] ? __lock_acquire+0x7ec/0x4ec0 [ 285.924675] 1*4kB [ 285.926730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.930941] (U) [ 285.933084] ? __lock_acquire+0x7ec/0x4ec0 [ 285.938159] 0*8kB [ 285.940127] ? should_fail+0x22d/0xd01 [ 285.944336] 0*16kB [ 285.946477] ? print_usage_bug+0xc0/0xc0 [ 285.950333] 1*32kB (U) [ 285.952576] ? mark_held_locks+0x130/0x130 [ 285.956604] 2*64kB (U) [ 285.959192] ? mark_held_locks+0x130/0x130 [ 285.963407] 1*128kB [ 285.965994] ? graph_lock+0x170/0x170 [ 285.970284] (U) [ 285.972602] ? print_usage_bug+0xc0/0xc0 [ 285.976379] 1*256kB [ 285.978362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.982386] (U) 0*512kB [ 285.984727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.989454] 1*1024kB [ 285.992124] ? check_preemption_disabled+0x48/0x200 [ 285.997631] (U) [ 286.000038] ? check_preemption_disabled+0x48/0x200 [ 286.005028] 1*2048kB [ 286.007004] ? __lock_is_held+0xb5/0x140 [ 286.011987] (M) [ 286.014401] __alloc_pages_nodemask+0xa80/0xde0 [ 286.018434] 3*4096kB [ 286.020415] ? graph_lock+0x170/0x170 [ 286.025430] (M) = 15908kB [ 286.027846] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.031619] Node 0 [ 286.034369] ? graph_lock+0x170/0x170 [ 286.039355] DMA32: 2*4kB [ 286.041639] ? find_held_lock+0x36/0x1c0 [ 286.045404] (M) 0*8kB [ 286.048182] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.052212] 3*16kB [ 286.054704] ? lock_downgrade+0x900/0x900 [ 286.059350] (M) [ 286.061585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.065704] 1*32kB [ 286.067676] cache_grow_begin+0x91/0x8c0 [ 286.073181] (M) [ 286.075425] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.079455] 2*64kB (M) [ 286.081445] fallback_alloc+0x203/0x2e0 [ 286.085820] 4*128kB [ 286.088429] ____cache_alloc_node+0x1c7/0x1e0 [ 286.092360] (UM) [ 286.094682] kmem_cache_alloc_node+0xe3/0x730 [ 286.099151] 3*256kB [ 286.101208] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.105675] (UM) [ 286.107999] __alloc_skb+0x119/0x770 [ 286.112194] 4*512kB (UM) [ 286.114265] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.117945] 3*1024kB (M) [ 286.120730] ? skb_scrub_packet+0x490/0x490 [ 286.125978] 3*2048kB [ 286.128733] ? lock_downgrade+0x900/0x900 [ 286.133027] (UM) [ 286.135445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.139562] 3*4096kB [ 286.141621] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.147140] (M) = 25048kB [ 286.149564] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.154990] Node 0 [ 286.157745] ? addrconf_rs_timer+0x6f0/0x6f0 [ 286.163161] Normal: 865*4kB [ 286.165438] ndisc_alloc_skb+0x144/0x340 [ 286.169801] (UMEH) [ 286.172846] ndisc_send_rs+0x331/0x6e0 [ 286.176852] 401*8kB (UMEH) [ 286.179102] addrconf_rs_timer+0x3c0/0x6f0 [ 286.182978] 165*16kB [ 286.185905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.190117] (UMEH) [ 286.192534] call_timer_fn+0x272/0x920 [ 286.196730] 83*32kB [ 286.198962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.202823] (UMEH) [ 286.205145] ? process_timeout+0x40/0x40 [ 286.209350] 31*64kB [ 286.211582] ? find_held_lock+0x36/0x1c0 [ 286.211606] ? __run_timers+0x7da/0xc70 [ 286.215631] (UMH) 0*128kB [ 286.217961] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.221997] 0*256kB [ 286.225975] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.228792] 0*512kB 0*1024kB [ 286.233292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.235589] 0*2048kB [ 286.240084] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.243165] 0*4096kB [ 286.247392] ? trace_hardirqs_on+0xbd/0x310 [ 286.249789] = 13948kB [ 286.254369] ? kasan_check_read+0x11/0x20 [ 286.256765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.261085] ? __run_timers+0x7da/0xc70 [ 286.263478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.267616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.276432] 413 total pagecache pages [ 286.280420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.288968] 0 pages in swap cache [ 286.294426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.298186] Swap cache stats: add 0, delete 0, find 0/0 [ 286.298196] Free swap = 0kB [ 286.302438] __run_timers+0x7e5/0xc70 [ 286.305866] Total swap = 0kB [ 286.310108] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.315684] 1965979 pages RAM [ 286.318707] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.322480] 0 pages HighMem/MovableOnly [ 286.325494] ? graph_lock+0x170/0x170 [ 286.330830] 342744 pages reserved [ 286.333929] ? enqueue_hrtimer+0x1a5/0x560 [ 286.338924] 0 pages cma reserved [ 286.342895] ? lock_release+0x970/0x970 [ 286.346754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.350121] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.354441] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.357700] ? find_held_lock+0x36/0x1c0 [ 286.361651] syz-fuzzer cpuset= [ 286.368142] ? graph_lock+0x170/0x170 [ 286.373306] / [ 286.383549] ? pvclock_read_flags+0x160/0x160 [ 286.387592] mems_allowed=0 [ 286.390778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.409181] ? check_preemption_disabled+0x48/0x200 [ 286.414216] ? __lock_is_held+0xb5/0x140 [ 286.418286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.423827] ? check_preemption_disabled+0x48/0x200 [ 286.428856] run_timer_softirq+0x52/0xb0 [ 286.432920] ? rcu_read_lock_sched_held+0x108/0x120 [ 286.437939] __do_softirq+0x30b/0xad8 [ 286.441753] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 286.447110] ? pvclock_read_flags+0x160/0x160 [ 286.451608] ? lapic_next_event+0x5a/0x90 [ 286.455757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.461300] ? check_preemption_disabled+0x48/0x200 [ 286.466322] ? check_preemption_disabled+0x48/0x200 [ 286.471350] ? kvm_clock_read+0x18/0x30 [ 286.475334] ? kvm_sched_clock_read+0x9/0x20 [ 286.479756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.485298] ? check_preemption_disabled+0x48/0x200 [ 286.490331] irq_exit+0x17f/0x1c0 [ 286.493792] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.498634] ? smp_reschedule_interrupt+0x109/0x650 [ 286.503655] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.509546] ? interrupt_entry+0xb5/0xf0 [ 286.513620] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.518638] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.523656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.528499] ? trace_hardirqs_off+0x300/0x300 [ 286.532991] ? trace_hardirqs_off+0x300/0x300 [ 286.537494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.543043] ? check_preemption_disabled+0x48/0x200 [ 286.548057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.553606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.558458] apic_timer_interrupt+0xf/0x20 [ 286.562685] [ 286.564929] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 286.569861] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 286.588762] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 286.596468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 286.603734] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 286.611003] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 286.618270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 286.625538] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 286.632852] skb_clone+0x1bb/0x500 [ 286.636403] ? finish_task_switch+0x1b5/0x900 [ 286.640905] ? skb_split+0x11e0/0x11e0 [ 286.644794] ? preempt_notifier_register+0x200/0x200 [ 286.649900] ? __switch_to_asm+0x34/0x70 [ 286.653962] ? __switch_to_asm+0x34/0x70 [ 286.658024] ? __switch_to_asm+0x40/0x70 [ 286.662087] ? __switch_to_asm+0x34/0x70 [ 286.666149] ? __switch_to_asm+0x40/0x70 [ 286.670210] ? __switch_to_asm+0x34/0x70 [ 286.674272] ? __switch_to_asm+0x40/0x70 [ 286.678333] ? __switch_to_asm+0x34/0x70 [ 286.682413] ? __switch_to_asm+0x34/0x70 [ 286.686475] ? __switch_to_asm+0x40/0x70 [ 286.690532] ? __switch_to_asm+0x34/0x70 [ 286.694602] bpf_clone_redirect+0xb9/0x490 [ 286.698843] ? __schedule+0x874/0x1ed0 [ 286.702740] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 286.707763] ? __sched_text_start+0x8/0x8 [ 286.711914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.716683] ? find_held_lock+0x36/0x1c0 [ 286.720754] ? lock_acquire+0x1ed/0x520 [ 286.724732] ? bpf_test_run+0x32e/0x5a0 [ 286.728710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.734252] ? check_preemption_disabled+0x48/0x200 [ 286.739279] ? kasan_check_read+0x11/0x20 [ 286.743441] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.748720] ? rcu_bh_qs+0xc0/0xc0 [ 286.752268] ? preempt_schedule+0x4d/0x60 [ 286.756432] ? ___preempt_schedule+0x16/0x18 [ 286.760853] ? bpf_test_run+0x1c0/0x5a0 [ 286.764844] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.769258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.774797] ? bpf_test_init.isra.9+0x70/0x100 [ 286.779386] ? bpf_prog_test_run_skb+0x634/0xb40 [ 286.784167] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.789007] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.794541] ? fput+0x130/0x1a0 [ 286.797822] ? __bpf_prog_get+0x9b/0x290 [ 286.801886] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.806732] ? bpf_prog_test_run+0x130/0x1a0 [ 286.811148] ? __x64_sys_bpf+0x3d8/0x510 [ 286.815214] ? bpf_prog_get+0x20/0x20 [ 286.819027] ? ksys_ioctl+0x81/0xd0 [ 286.822665] ? do_syscall_64+0x1b9/0x820 [ 286.826729] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.832101] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.837033] ? trace_hardirqs_off+0x300/0x300 [ 286.841529] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.846544] ? recalc_sigpending_tsk+0x180/0x180 [ 286.851302] ? kasan_check_write+0x14/0x20 [ 286.855544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.860414] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.865802] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 286.865882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.872731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.872740] Call Trace: [ 286.879307] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.888564] [ 286.891136] syz-executor0 cpuset= [ 286.901617] dump_stack+0x1c4/0x2b4 [ 286.903738] syz0 [ 286.907185] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.910790] mems_allowed=0 [ 286.912770] warn_alloc.cold.118+0xb7/0x1bd [ 286.925162] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.930013] ? lock_downgrade+0x900/0x900 [ 286.934173] ? trace_hardirqs_off+0xb8/0x300 [ 286.938587] ? trace_hardirqs_off+0xb8/0x300 [ 286.943006] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.947880] ? warn_alloc+0x120/0x120 [ 286.951690] ? trace_hardirqs_on+0x310/0x310 [ 286.956102] ? warn_alloc+0x120/0x120 [ 286.959922] ? print_usage_bug+0xc0/0xc0 [ 286.963989] ? warn_alloc+0x120/0x120 [ 286.967789] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 286.972806] ? print_usage_bug+0xc0/0xc0 [ 286.976869] ? __lock_acquire+0x7ec/0x4ec0 [ 286.981104] ? __lock_acquire+0x7ec/0x4ec0 [ 286.985345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.990886] ? should_fail+0x22d/0xd01 [ 286.994788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.999891] ? __lock_acquire+0x7ec/0x4ec0 [ 287.004136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.009238] ? __lock_acquire+0x7ec/0x4ec0 [ 287.013476] ? should_fail+0x22d/0xd01 [ 287.017360] ? print_usage_bug+0xc0/0xc0 [ 287.021436] ? mark_held_locks+0x130/0x130 [ 287.025679] ? mark_held_locks+0x130/0x130 [ 287.029930] ? graph_lock+0x170/0x170 [ 287.033734] ? print_usage_bug+0xc0/0xc0 [ 287.037794] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.042552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.048095] ? check_preemption_disabled+0x48/0x200 [ 287.053113] ? check_preemption_disabled+0x48/0x200 [ 287.058140] ? __lock_is_held+0xb5/0x140 [ 287.062213] __alloc_pages_nodemask+0xa80/0xde0 [ 287.066890] ? graph_lock+0x170/0x170 [ 287.070702] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.075718] ? graph_lock+0x170/0x170 [ 287.079532] ? find_held_lock+0x36/0x1c0 [ 287.083607] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.088281] ? lock_downgrade+0x900/0x900 [ 287.092445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.097991] cache_grow_begin+0x91/0x8c0 [ 287.102060] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.106482] fallback_alloc+0x203/0x2e0 [ 287.110469] ____cache_alloc_node+0x1c7/0x1e0 [ 287.114975] kmem_cache_alloc_node+0xe3/0x730 [ 287.119477] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.123728] __alloc_skb+0x119/0x770 [ 287.127446] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.132732] ? skb_scrub_packet+0x490/0x490 [ 287.137053] ? lock_downgrade+0x900/0x900 [ 287.141211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.146751] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.152208] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.157665] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.162090] ndisc_alloc_skb+0x144/0x340 [ 287.166160] ndisc_send_rs+0x331/0x6e0 [ 287.170060] addrconf_rs_timer+0x3c0/0x6f0 [ 287.174305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.178559] call_timer_fn+0x272/0x920 [ 287.182449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.186693] ? process_timeout+0x40/0x40 [ 287.190755] ? find_held_lock+0x36/0x1c0 [ 287.194830] ? mark_held_locks+0xc7/0x130 [ 287.198980] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.203479] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.207976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.212215] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.216822] ? trace_hardirqs_on+0xbd/0x310 [ 287.221145] ? kasan_check_read+0x11/0x20 [ 287.225298] ? __run_timers+0x7da/0xc70 [ 287.229279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.234742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.238986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.243225] __run_timers+0x7e5/0xc70 [ 287.247043] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.252419] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.257440] ? graph_lock+0x170/0x170 [ 287.261246] ? print_usage_bug+0xc0/0xc0 [ 287.265304] ? lock_release+0x970/0x970 [ 287.269281] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.274500] ? find_held_lock+0x36/0x1c0 [ 287.278571] ? graph_lock+0x170/0x170 [ 287.282382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.287937] ? check_preemption_disabled+0x48/0x200 [ 287.292967] ? __lock_is_held+0xb5/0x140 [ 287.297033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.302576] ? check_preemption_disabled+0x48/0x200 [ 287.307604] run_timer_softirq+0x52/0xb0 [ 287.311669] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.316690] __do_softirq+0x30b/0xad8 [ 287.320508] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.325617] ? pvclock_read_flags+0x160/0x160 [ 287.330116] ? lapic_next_event+0x5a/0x90 [ 287.334269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.339809] ? check_preemption_disabled+0x48/0x200 [ 287.344827] ? check_preemption_disabled+0x48/0x200 [ 287.349849] ? kvm_clock_read+0x18/0x30 [ 287.353836] ? kvm_sched_clock_read+0x9/0x20 [ 287.358246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.363789] ? check_preemption_disabled+0x48/0x200 [ 287.368818] irq_exit+0x17f/0x1c0 [ 287.372275] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.377116] ? smp_reschedule_interrupt+0x109/0x650 [ 287.382138] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.388029] ? interrupt_entry+0xb5/0xf0 [ 287.392097] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.397115] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.402135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.406978] ? trace_hardirqs_off+0x300/0x300 [ 287.411471] ? trace_hardirqs_off+0x300/0x300 [ 287.415969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.421514] ? check_preemption_disabled+0x48/0x200 [ 287.426529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.432080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.436942] apic_timer_interrupt+0xf/0x20 [ 287.441170] [ 287.443421] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 287.448700] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 287.467603] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 287.475312] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 287.482581] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 287.489846] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 287.497141] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 287.504414] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 287.511707] ? arch_local_irq_restore+0x45/0x52 [ 287.516392] dump_stack+0x26a/0x2b4 [ 287.520034] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.525230] ? mark_held_locks+0x130/0x130 [ 287.529463] ? mark_held_locks+0x130/0x130 [ 287.533709] dump_header+0x27b/0xf72 [ 287.537444] ? pagefault_out_of_memory+0x197/0x197 [ 287.542380] ? mark_held_locks+0x130/0x130 [ 287.546622] ? __lock_acquire+0x7ec/0x4ec0 [ 287.550862] ? mem_cgroup_charge_statistics+0x780/0x780 [ 287.556229] ? print_usage_bug+0xc0/0xc0 [ 287.560290] ? print_usage_bug+0xc0/0xc0 [ 287.564362] ? graph_lock+0x170/0x170 [ 287.568176] ? graph_lock+0x170/0x170 [ 287.571977] ? print_usage_bug+0xc0/0xc0 [ 287.576040] ? print_usage_bug+0xc0/0xc0 [ 287.580110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.585657] ? find_held_lock+0x36/0x1c0 [ 287.589737] ? mark_held_locks+0xc7/0x130 [ 287.593890] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 287.598996] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 287.604103] ? lockdep_hardirqs_on+0x421/0x5c0 [ 287.608686] ? trace_hardirqs_on+0xbd/0x310 [ 287.613009] ? kasan_check_read+0x11/0x20 [ 287.617156] ? ___ratelimit+0x36f/0x655 [ 287.621132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.626595] ? trace_hardirqs_on+0x310/0x310 [ 287.631004] ? lock_downgrade+0x900/0x900 [ 287.635158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.640268] ? ___ratelimit+0xaa/0x655 [ 287.644158] ? idr_get_free+0xec0/0xec0 [ 287.648135] ? kasan_check_write+0x14/0x20 [ 287.652372] ? do_raw_spin_lock+0xc1/0x200 [ 287.656626] oom_kill_process.cold.27+0x10/0x903 [ 287.661385] ? graph_lock+0x170/0x170 [ 287.665194] ? _raw_spin_unlock+0x2c/0x50 [ 287.669343] ? oom_badness+0xe6/0xaa0 [ 287.673153] ? oom_evaluate_task+0x540/0x540 [ 287.677567] ? find_held_lock+0x36/0x1c0 [ 287.681640] ? out_of_memory+0x974/0x14c0 [ 287.685800] ? lock_downgrade+0x900/0x900 [ 287.689949] ? check_preemption_disabled+0x48/0x200 [ 287.694977] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 287.700778] ? kasan_check_read+0x11/0x20 [ 287.704931] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.710209] ? rcu_bh_qs+0xc0/0xc0 [ 287.713755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.718768] ? oom_evaluate_task+0x302/0x540 [ 287.723181] out_of_memory+0xa86/0x14c0 [ 287.727171] ? oom_killer_disable+0x3a0/0x3a0 [ 287.731668] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 287.736604] ? __mutex_add_waiter+0x2a0/0x2a0 [ 287.741113] __alloc_pages_slowpath+0x2318/0x2d80 [ 287.745993] ? warn_alloc+0x120/0x120 [ 287.749811] ? find_get_entry+0x2f2/0xc40 [ 287.753971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.759561] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 287.764490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.770044] ? should_fail+0x22d/0xd01 [ 287.773942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.779049] ? __lock_is_held+0xb5/0x140 [ 287.783144] ? __lock_is_held+0xb5/0x140 [ 287.787214] ? find_held_lock+0x36/0x1c0 [ 287.791282] ? ___might_sleep+0x1ed/0x300 [ 287.795431] ? lock_release+0x970/0x970 [ 287.799421] ? arch_local_save_flags+0x40/0x40 [ 287.804022] ? __might_sleep+0x95/0x190 [ 287.808005] __alloc_pages_nodemask+0xa80/0xde0 [ 287.812685] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.817705] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 287.823503] ? kasan_check_read+0x11/0x20 [ 287.827656] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.832938] ? graph_lock+0x170/0x170 [ 287.836743] ? print_usage_bug+0xc0/0xc0 [ 287.840809] ? graph_lock+0x170/0x170 [ 287.844612] ? graph_lock+0x170/0x170 [ 287.848424] ? __do_page_cache_readahead+0x7ce/0x980 [ 287.853533] ? find_held_lock+0x36/0x1c0 [ 287.857603] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 287.863146] alloc_pages_current+0x10c/0x210 [ 287.867557] ? lock_downgrade+0x900/0x900 [ 287.871711] __page_cache_alloc+0x38f/0x5b0 [ 287.876037] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 287.881836] ? kasan_check_read+0x11/0x20 [ 287.885990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.891271] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 287.895949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.901489] ? check_preemption_disabled+0x48/0x200 [ 287.906521] filemap_fault+0x1594/0x25f0 [ 287.910601] ? __lock_page_or_retry+0xa00/0xa00 [ 287.915274] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 287.921072] ? kasan_check_read+0x11/0x20 [ 287.925221] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.930502] ? rcu_bh_qs+0xc0/0xc0 [ 287.934057] ? filemap_map_pages+0xdea/0x1980 [ 287.938572] ? find_get_pages_range_tag+0x1320/0x1320 [ 287.943769] ? do_raw_spin_lock+0xc1/0x200 [ 287.948007] ? graph_lock+0x170/0x170 [ 287.951812] ? futex_wait_setup+0x266/0x3e0 [ 287.956175] ? lock_acquire+0x1ed/0x520 [ 287.960153] ? ext4_filemap_fault+0x7a/0xad [ 287.964484] ? lock_release+0x970/0x970 [ 287.968463] ? arch_local_save_flags+0x40/0x40 [ 287.973052] ? futex_wait_setup+0x3e0/0x3e0 [ 287.977371] ? print_usage_bug+0xc0/0xc0 [ 287.981452] ? down_read+0xb0/0x1d0 [ 287.985078] ? ext4_filemap_fault+0x7a/0xad [ 287.989406] ? __down_interruptible+0x700/0x700 [ 287.994088] ? find_held_lock+0x36/0x1c0 [ 287.998158] ext4_filemap_fault+0x82/0xad [ 288.002313] __do_fault+0x100/0x6b0 [ 288.005941] ? lock_downgrade+0x900/0x900 [ 288.010123] ? print_bad_pte+0x6c0/0x6c0 [ 288.014184] ? do_futex+0x249/0x26d0 [ 288.017905] ? kasan_check_read+0x11/0x20 [ 288.022065] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.026476] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 288.031061] ? add_mm_counter_fast+0xd0/0xd0 [ 288.035486] __handle_mm_fault+0x3709/0x53e0 [ 288.039916] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 288.044760] ? __fpu__restore_sig+0x62f/0x1680 [ 288.049343] ? graph_lock+0x170/0x170 [ 288.053149] ? print_usage_bug+0xc0/0xc0 [ 288.057210] ? graph_lock+0x170/0x170 [ 288.061023] ? graph_lock+0x170/0x170 [ 288.064827] ? graph_lock+0x170/0x170 [ 288.068647] ? handle_mm_fault+0x42a/0xc70 [ 288.072883] ? lock_downgrade+0x900/0x900 [ 288.077039] ? check_preemption_disabled+0x48/0x200 [ 288.082061] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.087862] ? kasan_check_read+0x11/0x20 [ 288.092011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.097306] ? rcu_bh_qs+0xc0/0xc0 [ 288.100851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.106307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.111847] ? check_preemption_disabled+0x48/0x200 [ 288.116882] handle_mm_fault+0x54f/0xc70 [ 288.120953] ? __handle_mm_fault+0x53e0/0x53e0 [ 288.125542] ? find_vma+0x34/0x190 [ 288.129093] __do_page_fault+0x67d/0xed0 [ 288.133163] ? mm_fault_error+0x380/0x380 [ 288.137309] ? trace_hardirqs_off+0xb8/0x300 [ 288.141719] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.147082] ? trace_hardirqs_on+0x310/0x310 [ 288.151502] do_page_fault+0xf2/0x7e0 [ 288.155308] ? vmalloc_sync_all+0x30/0x30 [ 288.159456] ? error_entry+0x70/0xd0 [ 288.163170] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.168184] ? trace_hardirqs_on_caller+0xc0/0x300 [ 288.173115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.178046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.182889] ? trace_hardirqs_off+0x300/0x300 [ 288.187387] ? trace_hardirqs_off_caller+0x300/0x300 [ 288.192501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.198042] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.203061] ? page_fault+0x8/0x30 [ 288.206604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.211451] ? page_fault+0x8/0x30 [ 288.214996] page_fault+0x1e/0x30 [ 288.218450] RIP: 0033:0x407e06 [ 288.221650] Code: Bad RIP value. [ 288.225017] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 288.230384] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 288.237672] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 288.244948] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 288.252219] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 288.259503] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 288.266814] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 288.266819] warn_alloc_show_mem: 1 callbacks suppressed [ 288.266827] Mem-Info: [ 288.274016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.279383] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 288.279383] active_file:16 inactive_file:17 isolated_file:1 [ 288.279383] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.279383] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 288.279383] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 288.279383] free:13718 free_pcp:223 free_cma:0 [ 288.281758] Call Trace: [ 288.291146] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.324496] [ 288.327075] Node 0 [ 288.354754] dump_stack+0x1c4/0x2b4 [ 288.356905] 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 [ 288.359114] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.362710] lowmem_reserve[]: 0 [ 288.388235] warn_alloc.cold.118+0xb7/0x1bd [ 288.393393] 2817 [ 288.396678] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.400975] 6321 [ 288.403034] ? lock_downgrade+0x900/0x900 [ 288.407840] 6321 [ 288.409907] ? trace_hardirqs_off+0xb8/0x300 [ 288.414030] Node 0 [ 288.416093] ? trace_hardirqs_off+0xb8/0x300 [ 288.420498] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 288.422709] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.427078] lowmem_reserve[]: 0 [ 288.453997] ? warn_alloc+0x120/0x120 [ 288.458804] 0 [ 288.462081] ? trace_hardirqs_on+0x310/0x310 [ 288.465853] 3503 [ 288.467652] ? warn_alloc+0x120/0x120 [ 288.472025] 3503 [ 288.474089] ? print_usage_bug+0xc0/0xc0 [ 288.477860] Node 0 [ 288.479919] ? warn_alloc+0x120/0x120 [ 288.483984] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 288.486279] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.490044] lowmem_reserve[]: 0 [ 288.518442] ? print_usage_bug+0xc0/0xc0 [ 288.523433] 0 [ 288.526707] ? __lock_acquire+0x7ec/0x4ec0 [ 288.530741] 0 [ 288.532535] ? __lock_acquire+0x7ec/0x4ec0 [ 288.536746] 0 [ 288.538547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.542753] Node 0 [ 288.544553] ? should_fail+0x22d/0xd01 [ 288.550065] DMA: [ 288.552298] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.556156] 1*4kB [ 288.558213] ? __lock_acquire+0x7ec/0x4ec0 [ 288.563285] (U) [ 288.565444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.569644] 0*8kB 0*16kB [ 288.571622] ? __lock_acquire+0x7ec/0x4ec0 [ 288.576692] 1*32kB (U) [ 288.579458] ? should_fail+0x22d/0xd01 [ 288.583660] 2*64kB (U) [ 288.586247] ? print_usage_bug+0xc0/0xc0 [ 288.590108] 1*128kB [ 288.592692] ? mark_held_locks+0x130/0x130 [ 288.596718] (U) [ 288.599033] ? mark_held_locks+0x130/0x130 [ 288.603235] 1*256kB (U) [ 288.605218] ? graph_lock+0x170/0x170 [ 288.609435] 0*512kB [ 288.612098] ? print_usage_bug+0xc0/0xc0 [ 288.615877] 1*1024kB [ 288.618194] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.622226] (U) [ 288.624635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.629362] 1*2048kB [ 288.631334] ? check_preemption_disabled+0x48/0x200 [ 288.636838] (M) [ 288.639245] ? check_preemption_disabled+0x48/0x200 [ 288.644232] 3*4096kB [ 288.646209] ? __lock_is_held+0xb5/0x140 [ 288.651193] (M) [ 288.653604] __alloc_pages_nodemask+0xa80/0xde0 [ 288.657633] = 15908kB [ 288.659600] ? graph_lock+0x170/0x170 [ 288.664247] Node 0 [ 288.666651] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.670424] DMA32: 2*4kB [ 288.672663] ? graph_lock+0x170/0x170 [ 288.677656] (M) [ 288.680430] ? find_held_lock+0x36/0x1c0 [ 288.684186] 0*8kB 3*16kB [ 288.686173] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.690199] (M) [ 288.692950] ? lock_downgrade+0x900/0x900 [ 288.697589] 1*32kB (M) [ 288.699574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.703684] 2*64kB (M) [ 288.706276] cache_grow_begin+0x91/0x8c0 [ 288.711781] 4*128kB (UM) [ 288.714366] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.718392] 3*256kB (UM) 4*512kB [ 288.721169] fallback_alloc+0x203/0x2e0 [ 288.725538] (UM) 3*1024kB [ 288.728995] ____cache_alloc_node+0x1c7/0x1e0 [ 288.732939] (M) [ 288.735779] kmem_cache_alloc_node+0xe3/0x730 [ 288.740239] 3*2048kB (UM) [ 288.742222] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.746682] 3*4096kB (M) [ 288.749535] __alloc_skb+0x119/0x770 [ 288.753739] = 25048kB [ 288.756492] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.760176] Node 0 [ 288.762581] ? skb_scrub_packet+0x490/0x490 [ 288.767822] Normal: 865*4kB [ 288.770062] ? lock_downgrade+0x900/0x900 [ 288.774348] (UMEH) 401*8kB [ 288.777392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.781511] (UMEH) 165*16kB [ 288.784451] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.789960] (UMEH) [ 288.792976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.798391] 83*32kB (UMEH) [ 288.800649] ? addrconf_rs_timer+0x6f0/0x6f0 [ 288.806065] 31*64kB (UMH) [ 288.809009] ndisc_alloc_skb+0x144/0x340 [ 288.813376] 0*128kB 0*256kB [ 288.816237] ndisc_send_rs+0x331/0x6e0 [ 288.820273] 0*512kB [ 288.823289] addrconf_rs_timer+0x3c0/0x6f0 [ 288.827148] 0*1024kB [ 288.829466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.833665] 0*2048kB 0*4096kB [ 288.836088] call_timer_fn+0x272/0x920 [ 288.840286] = 13948kB [ 288.843571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.847443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.849947] ? process_timeout+0x40/0x40 [ 288.854153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.862974] ? find_held_lock+0x36/0x1c0 [ 288.867014] 413 total pagecache pages [ 288.875594] ? __run_timers+0x7da/0xc70 [ 288.879633] 0 pages in swap cache [ 288.883434] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.887379] Swap cache stats: add 0, delete 0, find 0/0 [ 288.887388] Free swap = 0kB [ 288.890846] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.895311] Total swap = 0kB [ 288.895319] 1965979 pages RAM [ 288.900692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.903675] 0 pages HighMem/MovableOnly [ 288.908173] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.911150] 342744 pages reserved [ 288.911158] 0 pages cma reserved [ 288.914268] ? trace_hardirqs_on+0xbd/0x310 [ 288.918524] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.922439] ? kasan_check_read+0x11/0x20 [ 288.922458] ? __run_timers+0x7da/0xc70 [ 288.927117] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.930470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.933809] syz-fuzzer cpuset= [ 288.938125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.944587] / [ 288.948760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.952711] mems_allowed=0 [ 288.962925] __run_timers+0x7e5/0xc70 [ 288.962953] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.993744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.998769] ? graph_lock+0x170/0x170 [ 289.002589] ? enqueue_hrtimer+0x1a5/0x560 [ 289.006841] ? lock_release+0x970/0x970 [ 289.010827] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.016028] ? find_held_lock+0x36/0x1c0 [ 289.020097] ? graph_lock+0x170/0x170 [ 289.023903] ? pvclock_read_flags+0x160/0x160 [ 289.028407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.033957] ? check_preemption_disabled+0x48/0x200 [ 289.038983] ? __lock_is_held+0xb5/0x140 [ 289.043044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.048584] ? check_preemption_disabled+0x48/0x200 [ 289.053612] run_timer_softirq+0x52/0xb0 [ 289.057678] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.062698] __do_softirq+0x30b/0xad8 [ 289.066513] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.071621] ? pvclock_read_flags+0x160/0x160 [ 289.076116] ? lapic_next_event+0x5a/0x90 [ 289.080265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.085806] ? check_preemption_disabled+0x48/0x200 [ 289.090824] ? check_preemption_disabled+0x48/0x200 [ 289.095847] ? kvm_clock_read+0x18/0x30 [ 289.099824] ? kvm_sched_clock_read+0x9/0x20 [ 289.104234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.109776] ? check_preemption_disabled+0x48/0x200 [ 289.114810] irq_exit+0x17f/0x1c0 [ 289.118271] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.123116] ? smp_reschedule_interrupt+0x109/0x650 [ 289.128139] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.134026] ? interrupt_entry+0xb5/0xf0 [ 289.138093] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.143111] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.148130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.152977] ? trace_hardirqs_off+0x300/0x300 [ 289.157477] ? trace_hardirqs_off+0x300/0x300 [ 289.161974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.167518] ? check_preemption_disabled+0x48/0x200 [ 289.172536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.178084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.182938] apic_timer_interrupt+0xf/0x20 [ 289.187171] [ 289.189426] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.194361] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 289.213268] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 289.220985] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.228256] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 289.235531] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 289.242801] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.250071] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.257389] skb_clone+0x1bb/0x500 [ 289.260953] ? finish_task_switch+0x1b5/0x900 [ 289.265449] ? skb_split+0x11e0/0x11e0 [ 289.269343] ? preempt_notifier_register+0x200/0x200 [ 289.274449] ? __switch_to_asm+0x34/0x70 [ 289.278512] ? __switch_to_asm+0x34/0x70 [ 289.282572] ? __switch_to_asm+0x40/0x70 [ 289.286631] ? __switch_to_asm+0x34/0x70 [ 289.290694] ? __switch_to_asm+0x40/0x70 [ 289.294757] ? __switch_to_asm+0x34/0x70 [ 289.298818] ? __switch_to_asm+0x40/0x70 [ 289.302877] ? __switch_to_asm+0x34/0x70 [ 289.306945] ? __switch_to_asm+0x34/0x70 [ 289.311004] ? __switch_to_asm+0x40/0x70 [ 289.315067] ? __switch_to_asm+0x34/0x70 [ 289.319149] bpf_clone_redirect+0xb9/0x490 [ 289.323387] ? __schedule+0x874/0x1ed0 [ 289.327297] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 289.332316] ? __sched_text_start+0x8/0x8 [ 289.336466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.341236] ? find_held_lock+0x36/0x1c0 [ 289.345308] ? lock_acquire+0x1ed/0x520 [ 289.349280] ? bpf_test_run+0x32e/0x5a0 [ 289.353262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.358805] ? check_preemption_disabled+0x48/0x200 [ 289.363830] ? kasan_check_read+0x11/0x20 [ 289.367984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.373265] ? rcu_bh_qs+0xc0/0xc0 [ 289.376814] ? preempt_schedule+0x4d/0x60 [ 289.380964] ? ___preempt_schedule+0x16/0x18 [ 289.385429] ? bpf_test_run+0x1c0/0x5a0 [ 289.389439] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.393853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.399396] ? bpf_test_init.isra.9+0x70/0x100 [ 289.404004] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.408771] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.413617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.419154] ? fput+0x130/0x1a0 [ 289.422439] ? __bpf_prog_get+0x9b/0x290 [ 289.426507] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.431353] ? bpf_prog_test_run+0x130/0x1a0 [ 289.435784] ? __x64_sys_bpf+0x3d8/0x510 [ 289.439854] ? bpf_prog_get+0x20/0x20 [ 289.443676] ? ksys_ioctl+0x81/0xd0 [ 289.447321] ? do_syscall_64+0x1b9/0x820 [ 289.451392] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.456783] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.461720] ? trace_hardirqs_off+0x300/0x300 [ 289.466251] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.471283] ? recalc_sigpending_tsk+0x180/0x180 [ 289.476051] ? kasan_check_write+0x14/0x20 [ 289.480298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.485156] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.490543] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 289.490633] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.497468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.497473] Call Trace: [ 289.497481] [ 289.497496] dump_stack+0x1c4/0x2b4 [ 289.497518] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.504086] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.513353] warn_alloc.cold.118+0xb7/0x1bd [ 289.515905] syz-executor0 cpuset= [ 289.518053] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.521656] syz0 [ 289.526838] ? lock_downgrade+0x900/0x900 [ 289.537320] mems_allowed=0 [ 289.541640] ? trace_hardirqs_off+0xb8/0x300 [ 289.563305] ? trace_hardirqs_off+0xb8/0x300 [ 289.567727] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.572604] ? warn_alloc+0x120/0x120 [ 289.576414] ? trace_hardirqs_on+0x310/0x310 [ 289.580824] ? warn_alloc+0x120/0x120 [ 289.584627] ? print_usage_bug+0xc0/0xc0 [ 289.588688] ? warn_alloc+0x120/0x120 [ 289.592492] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.597508] ? print_usage_bug+0xc0/0xc0 [ 289.601574] ? __lock_acquire+0x7ec/0x4ec0 [ 289.605809] ? __lock_acquire+0x7ec/0x4ec0 [ 289.610048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.615586] ? should_fail+0x22d/0xd01 [ 289.619481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.624584] ? __lock_acquire+0x7ec/0x4ec0 [ 289.628824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.633929] ? __lock_acquire+0x7ec/0x4ec0 [ 289.638163] ? should_fail+0x22d/0xd01 [ 289.642051] ? print_usage_bug+0xc0/0xc0 [ 289.646142] ? mark_held_locks+0x130/0x130 [ 289.650407] ? mark_held_locks+0x130/0x130 [ 289.654651] ? graph_lock+0x170/0x170 [ 289.658452] ? print_usage_bug+0xc0/0xc0 [ 289.662526] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.667282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.672825] ? check_preemption_disabled+0x48/0x200 [ 289.677846] ? check_preemption_disabled+0x48/0x200 [ 289.682878] ? __lock_is_held+0xb5/0x140 [ 289.686988] __alloc_pages_nodemask+0xa80/0xde0 [ 289.691656] ? graph_lock+0x170/0x170 [ 289.695463] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.700480] ? graph_lock+0x170/0x170 [ 289.704292] ? find_held_lock+0x36/0x1c0 [ 289.708369] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.713314] ? lock_downgrade+0x900/0x900 [ 289.717473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.723021] cache_grow_begin+0x91/0x8c0 [ 289.727087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.731510] fallback_alloc+0x203/0x2e0 [ 289.735493] ____cache_alloc_node+0x1c7/0x1e0 [ 289.740000] kmem_cache_alloc_node+0xe3/0x730 [ 289.744504] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.748753] __alloc_skb+0x119/0x770 [ 289.752469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.757756] ? skb_scrub_packet+0x490/0x490 [ 289.762081] ? lock_downgrade+0x900/0x900 [ 289.766244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.771789] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.777244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.782696] ? addrconf_rs_timer+0x6f0/0x6f0 [ 289.787119] ndisc_alloc_skb+0x144/0x340 [ 289.791191] ndisc_send_rs+0x331/0x6e0 [ 289.795091] addrconf_rs_timer+0x3c0/0x6f0 [ 289.799339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.803594] call_timer_fn+0x272/0x920 [ 289.807485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.811722] ? process_timeout+0x40/0x40 [ 289.815785] ? find_held_lock+0x36/0x1c0 [ 289.819854] ? mark_held_locks+0xc7/0x130 [ 289.824004] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.828501] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.832999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.837237] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.841826] ? trace_hardirqs_on+0xbd/0x310 [ 289.846155] ? kasan_check_read+0x11/0x20 [ 289.850304] ? __run_timers+0x7da/0xc70 [ 289.854287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.859751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.863991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.868231] __run_timers+0x7e5/0xc70 [ 289.872047] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.877420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.882441] ? graph_lock+0x170/0x170 [ 289.886248] ? print_usage_bug+0xc0/0xc0 [ 289.890306] ? lock_release+0x970/0x970 [ 289.894285] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.899485] ? find_held_lock+0x36/0x1c0 [ 289.903549] ? graph_lock+0x170/0x170 [ 289.907358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.912903] ? check_preemption_disabled+0x48/0x200 [ 289.917945] ? __lock_is_held+0xb5/0x140 [ 289.922010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.927556] ? check_preemption_disabled+0x48/0x200 [ 289.932581] run_timer_softirq+0x52/0xb0 [ 289.936642] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.941660] __do_softirq+0x30b/0xad8 [ 289.945472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.950583] ? pvclock_read_flags+0x160/0x160 [ 289.955076] ? lapic_next_event+0x5a/0x90 [ 289.959228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.964769] ? check_preemption_disabled+0x48/0x200 [ 289.969788] ? check_preemption_disabled+0x48/0x200 [ 289.974814] ? kvm_clock_read+0x18/0x30 [ 289.978791] ? kvm_sched_clock_read+0x9/0x20 [ 289.983205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.988745] ? check_preemption_disabled+0x48/0x200 [ 289.993776] irq_exit+0x17f/0x1c0 [ 289.997237] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.002084] ? smp_reschedule_interrupt+0x109/0x650 [ 290.007105] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.012992] ? interrupt_entry+0xb5/0xf0 [ 290.017056] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.022070] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.027091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.031937] ? trace_hardirqs_off+0x300/0x300 [ 290.036437] ? trace_hardirqs_off+0x300/0x300 [ 290.040943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.046482] ? check_preemption_disabled+0x48/0x200 [ 290.051502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.057054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.061916] apic_timer_interrupt+0xf/0x20 [ 290.066146] [ 290.068386] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 290.073670] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 290.092573] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 290.100285] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 290.107553] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 290.114822] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 290.122088] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 290.129356] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 290.136649] ? arch_local_irq_restore+0x45/0x52 [ 290.141334] dump_stack+0x26a/0x2b4 [ 290.144965] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.150164] ? mark_held_locks+0x130/0x130 [ 290.154412] ? mark_held_locks+0x130/0x130 [ 290.158655] dump_header+0x27b/0xf72 [ 290.162383] ? pagefault_out_of_memory+0x197/0x197 [ 290.167329] ? mark_held_locks+0x130/0x130 [ 290.171590] ? __lock_acquire+0x7ec/0x4ec0 [ 290.175830] ? mem_cgroup_charge_statistics+0x780/0x780 [ 290.181197] ? print_usage_bug+0xc0/0xc0 [ 290.185261] ? print_usage_bug+0xc0/0xc0 [ 290.189329] ? graph_lock+0x170/0x170 [ 290.193129] ? graph_lock+0x170/0x170 [ 290.196934] ? print_usage_bug+0xc0/0xc0 [ 290.200993] ? print_usage_bug+0xc0/0xc0 [ 290.205065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.210608] ? find_held_lock+0x36/0x1c0 [ 290.214682] ? mark_held_locks+0xc7/0x130 [ 290.218834] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 290.223946] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 290.229055] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.233643] ? trace_hardirqs_on+0xbd/0x310 [ 290.237967] ? kasan_check_read+0x11/0x20 [ 290.242118] ? ___ratelimit+0x36f/0x655 [ 290.246096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.251551] ? trace_hardirqs_on+0x310/0x310 [ 290.255964] ? lock_downgrade+0x900/0x900 [ 290.260120] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.265227] ? ___ratelimit+0xaa/0x655 [ 290.269118] ? idr_get_free+0xec0/0xec0 [ 290.273098] ? kasan_check_write+0x14/0x20 [ 290.277336] ? do_raw_spin_lock+0xc1/0x200 [ 290.281585] oom_kill_process.cold.27+0x10/0x903 [ 290.286347] ? graph_lock+0x170/0x170 [ 290.290148] ? _raw_spin_unlock+0x2c/0x50 [ 290.294296] ? oom_badness+0xe6/0xaa0 [ 290.298105] ? oom_evaluate_task+0x540/0x540 [ 290.302518] ? find_held_lock+0x36/0x1c0 [ 290.306591] ? out_of_memory+0x974/0x14c0 [ 290.310743] ? lock_downgrade+0x900/0x900 [ 290.315133] ? check_preemption_disabled+0x48/0x200 [ 290.320161] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.325962] ? kasan_check_read+0x11/0x20 [ 290.330111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.335388] ? rcu_bh_qs+0xc0/0xc0 [ 290.338951] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.343972] ? oom_evaluate_task+0x302/0x540 [ 290.348393] out_of_memory+0xa86/0x14c0 [ 290.352387] ? oom_killer_disable+0x3a0/0x3a0 [ 290.356894] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 290.361838] ? __mutex_add_waiter+0x2a0/0x2a0 [ 290.366345] __alloc_pages_slowpath+0x2318/0x2d80 [ 290.371220] ? warn_alloc+0x120/0x120 [ 290.375038] ? find_get_entry+0x2f2/0xc40 [ 290.379195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.384735] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 290.389673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.395224] ? should_fail+0x22d/0xd01 [ 290.399121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.404225] ? __lock_is_held+0xb5/0x140 [ 290.408327] ? __lock_is_held+0xb5/0x140 [ 290.412409] ? find_held_lock+0x36/0x1c0 [ 290.416482] ? ___might_sleep+0x1ed/0x300 [ 290.420629] ? lock_release+0x970/0x970 [ 290.424610] ? arch_local_save_flags+0x40/0x40 [ 290.429208] ? __might_sleep+0x95/0x190 [ 290.433192] __alloc_pages_nodemask+0xa80/0xde0 [ 290.437873] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.442899] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.449152] ? kasan_check_read+0x11/0x20 [ 290.453307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.458589] ? graph_lock+0x170/0x170 [ 290.462395] ? print_usage_bug+0xc0/0xc0 [ 290.466474] ? graph_lock+0x170/0x170 [ 290.470273] ? graph_lock+0x170/0x170 [ 290.474076] ? __do_page_cache_readahead+0x7ce/0x980 [ 290.479189] ? find_held_lock+0x36/0x1c0 [ 290.483262] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 290.488808] alloc_pages_current+0x10c/0x210 [ 290.493222] ? lock_downgrade+0x900/0x900 [ 290.497378] __page_cache_alloc+0x38f/0x5b0 [ 290.501717] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.507520] ? kasan_check_read+0x11/0x20 [ 290.511677] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.516966] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 290.521640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.527184] ? check_preemption_disabled+0x48/0x200 [ 290.532216] filemap_fault+0x1594/0x25f0 [ 290.536294] ? __lock_page_or_retry+0xa00/0xa00 [ 290.540966] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.546766] ? kasan_check_read+0x11/0x20 [ 290.550930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.556217] ? rcu_bh_qs+0xc0/0xc0 [ 290.559778] ? filemap_map_pages+0xdea/0x1980 [ 290.564296] ? find_get_pages_range_tag+0x1320/0x1320 [ 290.569491] ? do_raw_spin_lock+0xc1/0x200 [ 290.573730] ? graph_lock+0x170/0x170 [ 290.577537] ? futex_wait_setup+0x266/0x3e0 [ 290.581886] ? lock_acquire+0x1ed/0x520 [ 290.585866] ? ext4_filemap_fault+0x7a/0xad [ 290.590199] ? lock_release+0x970/0x970 [ 290.594178] ? arch_local_save_flags+0x40/0x40 [ 290.598766] ? futex_wait_setup+0x3e0/0x3e0 [ 290.603088] ? print_usage_bug+0xc0/0xc0 [ 290.607168] ? down_read+0xb0/0x1d0 [ 290.610799] ? ext4_filemap_fault+0x7a/0xad [ 290.615122] ? __down_interruptible+0x700/0x700 [ 290.619809] ? find_held_lock+0x36/0x1c0 [ 290.623878] ext4_filemap_fault+0x82/0xad [ 290.628037] __do_fault+0x100/0x6b0 [ 290.631669] ? lock_downgrade+0x900/0x900 [ 290.635823] ? print_bad_pte+0x6c0/0x6c0 [ 290.639907] ? do_futex+0x249/0x26d0 [ 290.643637] ? kasan_check_read+0x11/0x20 [ 290.647788] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.652199] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 290.656787] ? add_mm_counter_fast+0xd0/0xd0 [ 290.661212] __handle_mm_fault+0x3709/0x53e0 [ 290.665637] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 290.670481] ? __fpu__restore_sig+0x62f/0x1680 [ 290.675067] ? graph_lock+0x170/0x170 [ 290.678873] ? print_usage_bug+0xc0/0xc0 [ 290.682944] ? graph_lock+0x170/0x170 [ 290.686744] ? graph_lock+0x170/0x170 [ 290.690550] ? graph_lock+0x170/0x170 [ 290.694375] ? handle_mm_fault+0x42a/0xc70 [ 290.698625] ? lock_downgrade+0x900/0x900 [ 290.702778] ? check_preemption_disabled+0x48/0x200 [ 290.707811] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.713612] ? kasan_check_read+0x11/0x20 [ 290.717765] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.723047] ? rcu_bh_qs+0xc0/0xc0 [ 290.726593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.732051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.737596] ? check_preemption_disabled+0x48/0x200 [ 290.742629] handle_mm_fault+0x54f/0xc70 [ 290.746698] ? __handle_mm_fault+0x53e0/0x53e0 [ 290.751287] ? find_vma+0x34/0x190 [ 290.754835] __do_page_fault+0x67d/0xed0 [ 290.758907] ? mm_fault_error+0x380/0x380 [ 290.763063] ? trace_hardirqs_off+0xb8/0x300 [ 290.767473] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.772840] ? trace_hardirqs_on+0x310/0x310 [ 290.777256] do_page_fault+0xf2/0x7e0 [ 290.781059] ? vmalloc_sync_all+0x30/0x30 [ 290.785209] ? error_entry+0x70/0xd0 [ 290.788929] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.793948] ? trace_hardirqs_on_caller+0xc0/0x300 [ 290.798881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.803815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.808662] ? trace_hardirqs_off+0x300/0x300 [ 290.813156] ? trace_hardirqs_off_caller+0x300/0x300 [ 290.818268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.823809] ? prepare_exit_to_usermode+0x291/0x3b0 [ 290.828831] ? page_fault+0x8/0x30 [ 290.832377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.837261] ? page_fault+0x8/0x30 [ 290.840807] page_fault+0x1e/0x30 [ 290.844258] RIP: 0033:0x407e06 [ 290.847457] Code: Bad RIP value. [ 290.850821] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 290.856184] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 290.863456] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 290.870723] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 290.877989] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 290.885264] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 290.892567] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 290.892572] warn_alloc_show_mem: 1 callbacks suppressed [ 290.892580] Mem-Info: [ 290.899771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.905136] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 290.905136] active_file:16 inactive_file:17 isolated_file:1 [ 290.905136] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.905136] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 290.905136] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 290.905136] free:13718 free_pcp:223 free_cma:0 [ 290.907512] Call Trace: [ 290.916922] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.949775] [ 290.952350] Node 0 [ 290.980025] dump_stack+0x1c4/0x2b4 [ 290.982174] 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 [ 290.984379] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.987971] lowmem_reserve[]: 0 [ 291.013493] warn_alloc.cold.118+0xb7/0x1bd [ 291.018649] 2817 [ 291.021920] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.026220] 6321 [ 291.028275] ? lock_downgrade+0x900/0x900 [ 291.033092] 6321 [ 291.035156] ? trace_hardirqs_off+0xb8/0x300 [ 291.039272] Node 0 [ 291.041332] ? trace_hardirqs_off+0xb8/0x300 [ 291.045736] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 291.047948] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.052319] lowmem_reserve[]: 0 [ 291.079070] ? warn_alloc+0x120/0x120 [ 291.083863] 0 [ 291.087140] ? warn_alloc+0x120/0x120 [ 291.090916] 3503 [ 291.092707] ? print_usage_bug+0xc0/0xc0 [ 291.096483] 3503 [ 291.098540] ? warn_alloc+0x120/0x120 [ 291.102573] Node 0 [ 291.104635] ? print_usage_bug+0xc0/0xc0 [ 291.108445] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 291.110662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.114683] lowmem_reserve[]: 0 [ 291.143092] ? should_fail+0x22d/0xd01 [ 291.148601] 0 [ 291.151875] ? perf_event_task_tick+0xa75/0xfa0 [ 291.155725] 0 0 [ 291.157535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.164157] ? __lock_acquire+0x7ec/0x4ec0 [ 291.169227] Node 0 DMA: [ 291.173463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.173479] ? __lock_acquire+0x7ec/0x4ec0 [ 291.176129] 1*4kB [ 291.181224] ? should_fail+0x22d/0xd01 [ 291.181239] ? graph_lock+0x170/0x170 [ 291.185455] (U) [ 291.187602] ? mark_held_locks+0x130/0x130 [ 291.191462] 0*8kB [ 291.195257] ? mark_held_locks+0x130/0x130 [ 291.197208] 0*16kB [ 291.201448] ? graph_lock+0x170/0x170 [ 291.203570] 1*32kB [ 291.207795] ? print_usage_bug+0xc0/0xc0 [ 291.210006] (U) [ 291.213798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.216002] 2*64kB (U) [ 291.220067] ? check_preemption_disabled+0x48/0x200 [ 291.222015] 1*128kB [ 291.227572] ? check_preemption_disabled+0x48/0x200 [ 291.230129] (U) [ 291.236202] ? __lock_is_held+0xb5/0x140 [ 291.238487] 1*256kB (U) [ 291.243507] __alloc_pages_nodemask+0xa80/0xde0 [ 291.245458] 0*512kB [ 291.249517] ? graph_lock+0x170/0x170 [ 291.252168] 1*1024kB [ 291.256832] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.259125] (U) [ 291.262919] ? graph_lock+0x170/0x170 [ 291.265308] 1*2048kB [ 291.270322] ? find_held_lock+0x36/0x1c0 [ 291.272264] (M) [ 291.276062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.278440] 3*4096kB [ 291.282491] ? lock_downgrade+0x900/0x900 [ 291.284440] (M) [ 291.289104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.291483] = 15908kB [ 291.295623] cache_grow_begin+0x91/0x8c0 [ 291.297574] Node 0 [ 291.303116] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.305495] DMA32: 2*4kB [ 291.309563] fallback_alloc+0x203/0x2e0 [ 291.311769] (M) [ 291.316174] ____cache_alloc_node+0x1c7/0x1e0 [ 291.318906] 0*8kB [ 291.322873] kmem_cache_alloc_node+0xe3/0x730 [ 291.324814] 3*16kB (M) [ 291.329310] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.331433] 1*32kB [ 291.335928] __alloc_skb+0x119/0x770 [ 291.338483] (M) [ 291.342714] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.344921] 2*64kB (M) [ 291.348634] ? skb_scrub_packet+0x490/0x490 [ 291.350585] 4*128kB [ 291.355857] ? lock_downgrade+0x900/0x900 [ 291.358422] (UM) [ 291.362742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.365030] 3*256kB (UM) [ 291.369180] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.371215] 4*512kB (UM) [ 291.376753] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.379481] 3*1024kB (M) [ 291.384944] ? addrconf_rs_timer+0x6f0/0x6f0 [ 291.387669] 3*2048kB (UM) [ 291.393128] ndisc_alloc_skb+0x144/0x340 [ 291.395850] 3*4096kB [ 291.400250] ndisc_send_rs+0x331/0x6e0 [ 291.403080] (M) [ 291.407137] addrconf_rs_timer+0x3c0/0x6f0 [ 291.409524] = 25048kB [ 291.413417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.415360] Node 0 [ 291.419600] call_timer_fn+0x272/0x920 [ 291.421976] Normal: [ 291.426206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.428425] 865*4kB [ 291.432308] ? process_timeout+0x40/0x40 [ 291.434606] (UMEH) [ 291.438836] ? find_held_lock+0x36/0x1c0 [ 291.441135] 401*8kB [ 291.445191] ? __run_timers+0x7da/0xc70 [ 291.447396] (UMEH) [ 291.451476] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.453773] 165*16kB [ 291.457739] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.459951] (UMEH) [ 291.464445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.466824] 83*32kB (UMEH) [ 291.471319] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.473528] 31*64kB [ 291.477755] ? trace_hardirqs_on+0xbd/0x310 [ 291.480657] (UMH) [ 291.485331] ? kasan_check_read+0x11/0x20 [ 291.487624] 0*128kB [ 291.491939] ? __run_timers+0x7da/0xc70 [ 291.494069] 0*256kB 0*512kB [ 291.498237] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.500538] 0*1024kB [ 291.504506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.507495] 0*2048kB [ 291.512937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.515322] 0*4096kB [ 291.519555] __run_timers+0x7e5/0xc70 [ 291.521935] = 13948kB [ 291.526170] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.528549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.532338] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.534725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.540074] ? graph_lock+0x170/0x170 [ 291.548884] 413 total pagecache pages [ 291.553899] ? enqueue_hrtimer+0x1a5/0x560 [ 291.562458] 0 pages in swap cache [ 291.566248] ? lock_release+0x970/0x970 [ 291.570019] Swap cache stats: add 0, delete 0, find 0/0 [ 291.570028] Free swap = 0kB [ 291.574255] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.577678] Total swap = 0kB [ 291.577686] 1965979 pages RAM [ 291.581657] ? find_held_lock+0x36/0x1c0 [ 291.586987] 0 pages HighMem/MovableOnly [ 291.586995] 342744 pages reserved [ 291.590006] ? graph_lock+0x170/0x170 [ 291.595170] 0 pages cma reserved [ 291.598181] ? pvclock_read_flags+0x160/0x160 [ 291.601322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.605312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.605329] ? check_preemption_disabled+0x48/0x200 [ 291.605354] ? __lock_is_held+0xb5/0x140 [ 291.609359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.612750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.616528] syz-fuzzer cpuset= [ 291.619889] ? check_preemption_disabled+0x48/0x200 [ 291.624354] / [ 291.630846] run_timer_softirq+0x52/0xb0 [ 291.636353] mems_allowed=0 [ 291.641362] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.682976] __do_softirq+0x30b/0xad8 [ 291.686796] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.691910] ? pvclock_read_flags+0x160/0x160 [ 291.696422] ? lapic_next_event+0x5a/0x90 [ 291.700573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.706118] ? check_preemption_disabled+0x48/0x200 [ 291.711137] ? check_preemption_disabled+0x48/0x200 [ 291.716165] ? kvm_clock_read+0x18/0x30 [ 291.720143] ? kvm_sched_clock_read+0x9/0x20 [ 291.724569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.730116] ? check_preemption_disabled+0x48/0x200 [ 291.735147] irq_exit+0x17f/0x1c0 [ 291.738608] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.743466] ? smp_reschedule_interrupt+0x109/0x650 [ 291.748492] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.754376] ? interrupt_entry+0xb5/0xf0 [ 291.758463] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.763479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.768510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.773359] ? trace_hardirqs_off+0x300/0x300 [ 291.777854] ? trace_hardirqs_off+0x300/0x300 [ 291.782358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.787902] ? check_preemption_disabled+0x48/0x200 [ 291.792920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.798469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.803326] apic_timer_interrupt+0xf/0x20 [ 291.807554] [ 291.809792] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.814721] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 291.833622] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 291.841330] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.848601] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 291.855870] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 291.863137] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 291.870410] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 291.877732] skb_clone+0x1bb/0x500 [ 291.881278] ? finish_task_switch+0x1b5/0x900 [ 291.885774] ? skb_split+0x11e0/0x11e0 [ 291.889664] ? preempt_notifier_register+0x200/0x200 [ 291.894770] ? __switch_to_asm+0x34/0x70 [ 291.898833] ? __switch_to_asm+0x34/0x70 [ 291.902890] ? __switch_to_asm+0x40/0x70 [ 291.906967] ? __switch_to_asm+0x34/0x70 [ 291.911028] ? __switch_to_asm+0x40/0x70 [ 291.915088] ? __switch_to_asm+0x34/0x70 [ 291.919150] ? __switch_to_asm+0x40/0x70 [ 291.923211] ? __switch_to_asm+0x34/0x70 [ 291.927274] ? __switch_to_asm+0x34/0x70 [ 291.931335] ? __switch_to_asm+0x40/0x70 [ 291.935392] ? __switch_to_asm+0x34/0x70 [ 291.939474] bpf_clone_redirect+0xb9/0x490 [ 291.943711] ? __schedule+0x874/0x1ed0 [ 291.947607] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 291.952631] ? __sched_text_start+0x8/0x8 [ 291.956779] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.961549] ? find_held_lock+0x36/0x1c0 [ 291.965622] ? lock_acquire+0x1ed/0x520 [ 291.969594] ? bpf_test_run+0x32e/0x5a0 [ 291.973574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.979113] ? check_preemption_disabled+0x48/0x200 [ 291.984138] ? kasan_check_read+0x11/0x20 [ 291.988289] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.993586] ? rcu_bh_qs+0xc0/0xc0 [ 291.997129] ? preempt_schedule+0x4d/0x60 [ 292.001281] ? ___preempt_schedule+0x16/0x18 [ 292.005702] ? bpf_test_run+0x1c0/0x5a0 [ 292.009688] ? netlink_diag_dump+0x2a0/0x2a0 [ 292.014100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.019641] ? bpf_test_init.isra.9+0x70/0x100 [ 292.024230] ? bpf_prog_test_run_skb+0x634/0xb40 [ 292.028992] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.033838] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.039374] ? fput+0x130/0x1a0 [ 292.042672] ? __bpf_prog_get+0x9b/0x290 [ 292.046741] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.051585] ? bpf_prog_test_run+0x130/0x1a0 [ 292.055998] ? __x64_sys_bpf+0x3d8/0x510 [ 292.060064] ? bpf_prog_get+0x20/0x20 [ 292.063875] ? ksys_ioctl+0x81/0xd0 [ 292.067512] ? do_syscall_64+0x1b9/0x820 [ 292.071576] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.076950] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.081887] ? trace_hardirqs_off+0x300/0x300 [ 292.086391] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.091435] ? recalc_sigpending_tsk+0x180/0x180 [ 292.096205] ? kasan_check_write+0x14/0x20 [ 292.100452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.105303] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.110687] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 292.110759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.117613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.117618] Call Trace: [ 292.117625] [ 292.117640] dump_stack+0x1c4/0x2b4 [ 292.117661] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.124234] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.133494] warn_alloc.cold.118+0xb7/0x1bd [ 292.136053] syz-executor0 cpuset= [ 292.138198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.141798] syz0 [ 292.147000] ? lock_downgrade+0x900/0x900 [ 292.157453] mems_allowed=0 [ 292.179051] ? trace_hardirqs_off+0xb8/0x300 [ 292.183471] ? trace_hardirqs_off+0xb8/0x300 [ 292.187896] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.192778] ? warn_alloc+0x120/0x120 [ 292.196585] ? warn_alloc+0x120/0x120 [ 292.200395] ? print_usage_bug+0xc0/0xc0 [ 292.204477] ? warn_alloc+0x120/0x120 [ 292.208283] ? print_usage_bug+0xc0/0xc0 [ 292.212354] ? __lock_acquire+0x7ec/0x4ec0 [ 292.216592] ? __lock_acquire+0x7ec/0x4ec0 [ 292.220854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.226398] ? should_fail+0x22d/0xd01 [ 292.230306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.235424] ? __lock_acquire+0x7ec/0x4ec0 [ 292.239672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.244779] ? __lock_acquire+0x7ec/0x4ec0 [ 292.249014] ? should_fail+0x22d/0xd01 [ 292.252920] ? mark_held_locks+0x130/0x130 [ 292.257166] ? mark_held_locks+0x130/0x130 [ 292.261414] ? graph_lock+0x170/0x170 [ 292.265217] ? graph_lock+0x170/0x170 [ 292.269019] ? graph_lock+0x170/0x170 [ 292.272823] ? print_usage_bug+0xc0/0xc0 [ 292.276888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.282439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.287981] ? check_preemption_disabled+0x48/0x200 [ 292.293000] ? check_preemption_disabled+0x48/0x200 [ 292.298030] ? __lock_is_held+0xb5/0x140 [ 292.302101] __alloc_pages_nodemask+0xa80/0xde0 [ 292.306776] ? graph_lock+0x170/0x170 [ 292.310582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.315917] ? graph_lock+0x170/0x170 [ 292.319823] ? find_held_lock+0x36/0x1c0 [ 292.323899] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.328579] ? lock_downgrade+0x900/0x900 [ 292.332740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.338308] cache_grow_begin+0x91/0x8c0 [ 292.342388] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.346848] fallback_alloc+0x203/0x2e0 [ 292.350832] ____cache_alloc_node+0x1c7/0x1e0 [ 292.355336] kmem_cache_alloc_node+0xe3/0x730 [ 292.359840] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.364093] __alloc_skb+0x119/0x770 [ 292.367812] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.373099] ? skb_scrub_packet+0x490/0x490 [ 292.377433] ? lock_downgrade+0x900/0x900 [ 292.381591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.387133] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.392595] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.398055] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.402487] ndisc_alloc_skb+0x144/0x340 [ 292.406559] ndisc_send_rs+0x331/0x6e0 [ 292.410456] addrconf_rs_timer+0x3c0/0x6f0 [ 292.414703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.418963] call_timer_fn+0x272/0x920 [ 292.422855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.427098] ? process_timeout+0x40/0x40 [ 292.431158] ? find_held_lock+0x36/0x1c0 [ 292.435231] ? mark_held_locks+0xc7/0x130 [ 292.439386] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.443890] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.448897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.453141] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.457730] ? trace_hardirqs_on+0xbd/0x310 [ 292.462055] ? kasan_check_read+0x11/0x20 [ 292.466209] ? __run_timers+0x7da/0xc70 [ 292.470191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.475654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.479901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.484150] __run_timers+0x7e5/0xc70 [ 292.487974] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.493345] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.498385] ? graph_lock+0x170/0x170 [ 292.502213] ? print_usage_bug+0xc0/0xc0 [ 292.506273] ? lock_release+0x970/0x970 [ 292.510253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.515456] ? find_held_lock+0x36/0x1c0 [ 292.519525] ? graph_lock+0x170/0x170 [ 292.523333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.528878] ? check_preemption_disabled+0x48/0x200 [ 292.533921] ? __lock_is_held+0xb5/0x140 [ 292.537988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.543531] ? check_preemption_disabled+0x48/0x200 [ 292.548558] run_timer_softirq+0x52/0xb0 [ 292.552620] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.557642] __do_softirq+0x30b/0xad8 [ 292.561462] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.566571] ? pvclock_read_flags+0x160/0x160 [ 292.571071] ? lapic_next_event+0x5a/0x90 [ 292.575222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.580763] ? check_preemption_disabled+0x48/0x200 [ 292.585783] ? check_preemption_disabled+0x48/0x200 [ 292.590806] ? kvm_clock_read+0x18/0x30 [ 292.594781] ? kvm_sched_clock_read+0x9/0x20 [ 292.599208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.604751] ? check_preemption_disabled+0x48/0x200 [ 292.609787] irq_exit+0x17f/0x1c0 [ 292.613247] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.618092] ? smp_reschedule_interrupt+0x109/0x650 [ 292.623117] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.629003] ? interrupt_entry+0xb5/0xf0 [ 292.633067] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.638080] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.643099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.647950] ? trace_hardirqs_off+0x300/0x300 [ 292.652445] ? trace_hardirqs_off+0x300/0x300 [ 292.656950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.662495] ? check_preemption_disabled+0x48/0x200 [ 292.667512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.673059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.677918] apic_timer_interrupt+0xf/0x20 [ 292.682152] [ 292.684393] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 292.689957] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 292.708866] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 292.716582] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 292.723852] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 292.731121] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 292.738389] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 292.745661] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 292.752960] ? arch_local_irq_restore+0x45/0x52 [ 292.757645] dump_stack+0x26a/0x2b4 [ 292.761280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.766479] ? mark_held_locks+0x130/0x130 [ 292.770719] ? mark_held_locks+0x130/0x130 [ 292.774963] dump_header+0x27b/0xf72 [ 292.778696] ? pagefault_out_of_memory+0x197/0x197 [ 292.783634] ? mark_held_locks+0x130/0x130 [ 292.787868] ? __lock_acquire+0x7ec/0x4ec0 [ 292.792102] ? mem_cgroup_charge_statistics+0x780/0x780 [ 292.797469] ? print_usage_bug+0xc0/0xc0 [ 292.801535] ? print_usage_bug+0xc0/0xc0 [ 292.805607] ? graph_lock+0x170/0x170 [ 292.809413] ? graph_lock+0x170/0x170 [ 292.813218] ? print_usage_bug+0xc0/0xc0 [ 292.817275] ? print_usage_bug+0xc0/0xc0 [ 292.821346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.826887] ? find_held_lock+0x36/0x1c0 [ 292.830961] ? mark_held_locks+0xc7/0x130 [ 292.835118] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 292.840220] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 292.845324] ? lockdep_hardirqs_on+0x421/0x5c0 [ 292.849909] ? trace_hardirqs_on+0xbd/0x310 [ 292.854237] ? kasan_check_read+0x11/0x20 [ 292.858387] ? ___ratelimit+0x36f/0x655 [ 292.862374] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.867835] ? trace_hardirqs_on+0x310/0x310 [ 292.872247] ? lock_downgrade+0x900/0x900 [ 292.876411] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.881522] ? ___ratelimit+0xaa/0x655 [ 292.885421] ? idr_get_free+0xec0/0xec0 [ 292.889398] ? kasan_check_write+0x14/0x20 [ 292.893648] ? do_raw_spin_lock+0xc1/0x200 [ 292.897892] oom_kill_process.cold.27+0x10/0x903 [ 292.902656] ? graph_lock+0x170/0x170 [ 292.906455] ? _raw_spin_unlock+0x2c/0x50 [ 292.910610] ? oom_badness+0xe6/0xaa0 [ 292.914424] ? oom_evaluate_task+0x540/0x540 [ 292.918842] ? find_held_lock+0x36/0x1c0 [ 292.922925] ? out_of_memory+0x974/0x14c0 [ 292.927080] ? lock_downgrade+0x900/0x900 [ 292.931236] ? check_preemption_disabled+0x48/0x200 [ 292.936264] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.942066] ? kasan_check_read+0x11/0x20 [ 292.946223] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.951506] ? rcu_bh_qs+0xc0/0xc0 [ 292.955053] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.960073] ? oom_evaluate_task+0x302/0x540 [ 292.964491] out_of_memory+0xa86/0x14c0 [ 292.968479] ? oom_killer_disable+0x3a0/0x3a0 [ 292.972977] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 292.977921] ? __mutex_add_waiter+0x2a0/0x2a0 [ 292.982440] __alloc_pages_slowpath+0x2318/0x2d80 [ 292.987332] ? warn_alloc+0x120/0x120 [ 292.991148] ? find_get_entry+0x2f2/0xc40 [ 292.995306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.000847] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 293.005781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.011321] ? should_fail+0x22d/0xd01 [ 293.015217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.020322] ? __lock_is_held+0xb5/0x140 [ 293.024420] ? __lock_is_held+0xb5/0x140 [ 293.028495] ? find_held_lock+0x36/0x1c0 [ 293.032560] ? ___might_sleep+0x1ed/0x300 [ 293.036708] ? lock_release+0x970/0x970 [ 293.040690] ? arch_local_save_flags+0x40/0x40 [ 293.045292] ? __might_sleep+0x95/0x190 [ 293.049275] __alloc_pages_nodemask+0xa80/0xde0 [ 293.053961] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.058982] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.064784] ? kasan_check_read+0x11/0x20 [ 293.068938] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.074221] ? graph_lock+0x170/0x170 [ 293.078026] ? print_usage_bug+0xc0/0xc0 [ 293.082095] ? graph_lock+0x170/0x170 [ 293.085893] ? graph_lock+0x170/0x170 [ 293.089702] ? __do_page_cache_readahead+0x7ce/0x980 [ 293.094817] ? find_held_lock+0x36/0x1c0 [ 293.098890] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 293.104448] alloc_pages_current+0x10c/0x210 [ 293.108856] ? lock_downgrade+0x900/0x900 [ 293.113011] __page_cache_alloc+0x38f/0x5b0 [ 293.117339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.123143] ? kasan_check_read+0x11/0x20 [ 293.127296] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.132577] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 293.137250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.142792] ? check_preemption_disabled+0x48/0x200 [ 293.147817] filemap_fault+0x1594/0x25f0 [ 293.151940] ? __lock_page_or_retry+0xa00/0xa00 [ 293.156611] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.162421] ? kasan_check_read+0x11/0x20 [ 293.166606] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.171887] ? rcu_bh_qs+0xc0/0xc0 [ 293.175457] ? filemap_map_pages+0xdea/0x1980 [ 293.179974] ? find_get_pages_range_tag+0x1320/0x1320 [ 293.185172] ? do_raw_spin_lock+0xc1/0x200 [ 293.189416] ? graph_lock+0x170/0x170 [ 293.193229] ? futex_wait_setup+0x266/0x3e0 [ 293.197576] ? lock_acquire+0x1ed/0x520 [ 293.201555] ? ext4_filemap_fault+0x7a/0xad [ 293.205889] ? lock_release+0x970/0x970 [ 293.209867] ? arch_local_save_flags+0x40/0x40 [ 293.214480] ? futex_wait_setup+0x3e0/0x3e0 [ 293.218804] ? print_usage_bug+0xc0/0xc0 [ 293.222879] ? down_read+0xb0/0x1d0 [ 293.226520] ? ext4_filemap_fault+0x7a/0xad [ 293.230851] ? __down_interruptible+0x700/0x700 [ 293.235547] ? find_held_lock+0x36/0x1c0 [ 293.239618] ext4_filemap_fault+0x82/0xad [ 293.243774] __do_fault+0x100/0x6b0 [ 293.247417] ? lock_downgrade+0x900/0x900 [ 293.251592] ? print_bad_pte+0x6c0/0x6c0 [ 293.255660] ? do_futex+0x249/0x26d0 [ 293.259382] ? kasan_check_read+0x11/0x20 [ 293.263543] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.267955] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 293.272538] ? add_mm_counter_fast+0xd0/0xd0 [ 293.276958] __handle_mm_fault+0x3709/0x53e0 [ 293.281377] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 293.286225] ? __fpu__restore_sig+0x62f/0x1680 [ 293.290811] ? graph_lock+0x170/0x170 [ 293.294617] ? print_usage_bug+0xc0/0xc0 [ 293.298681] ? graph_lock+0x170/0x170 [ 293.302481] ? graph_lock+0x170/0x170 [ 293.306280] ? graph_lock+0x170/0x170 [ 293.310102] ? handle_mm_fault+0x42a/0xc70 [ 293.314340] ? lock_downgrade+0x900/0x900 [ 293.318491] ? check_preemption_disabled+0x48/0x200 [ 293.323517] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.329321] ? kasan_check_read+0x11/0x20 [ 293.333472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.338752] ? rcu_bh_qs+0xc0/0xc0 [ 293.342297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.347750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.353294] ? check_preemption_disabled+0x48/0x200 [ 293.358326] handle_mm_fault+0x54f/0xc70 [ 293.362395] ? __handle_mm_fault+0x53e0/0x53e0 [ 293.366992] ? find_vma+0x34/0x190 [ 293.370541] __do_page_fault+0x67d/0xed0 [ 293.374614] ? mm_fault_error+0x380/0x380 [ 293.378766] ? trace_hardirqs_off+0xb8/0x300 [ 293.383184] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.388550] ? trace_hardirqs_on+0x310/0x310 [ 293.392967] do_page_fault+0xf2/0x7e0 [ 293.396771] ? vmalloc_sync_all+0x30/0x30 [ 293.400929] ? error_entry+0x70/0xd0 [ 293.404644] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.409661] ? trace_hardirqs_on_caller+0xc0/0x300 [ 293.414590] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.419521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.424370] ? trace_hardirqs_off+0x300/0x300 [ 293.428871] ? trace_hardirqs_off_caller+0x300/0x300 [ 293.433979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.439531] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.444550] ? page_fault+0x8/0x30 [ 293.448096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.452946] ? page_fault+0x8/0x30 [ 293.456493] page_fault+0x1e/0x30 [ 293.459947] RIP: 0033:0x407e06 [ 293.463145] Code: Bad RIP value. [ 293.466505] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 293.471867] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 293.479134] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 293.486410] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 293.493679] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 293.500948] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 293.508247] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 293.508252] warn_alloc_show_mem: 1 callbacks suppressed [ 293.508259] Mem-Info: [ 293.515450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.520815] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 293.520815] active_file:16 inactive_file:17 isolated_file:1 [ 293.520815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.520815] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 293.520815] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 293.520815] free:13718 free_pcp:223 free_cma:0 [ 293.523185] Call Trace: [ 293.532571] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.565428] [ 293.568000] Node 0 [ 293.595670] dump_stack+0x1c4/0x2b4 [ 293.597820] 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 [ 293.600028] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.603627] lowmem_reserve[]: [ 293.629141] warn_alloc.cold.118+0xb7/0x1bd [ 293.634298] 0 [ 293.637395] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.641696] 2817 [ 293.643492] ? lock_downgrade+0x900/0x900 [ 293.648298] 6321 6321 [ 293.650368] ? trace_hardirqs_off+0xb8/0x300 [ 293.656976] ? trace_hardirqs_off+0xb8/0x300 [ 293.661357] Node 0 DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 293.665792] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.665835] ? warn_alloc+0x120/0x120 [ 293.693109] lowmem_reserve[]: 0 0 [ 293.697977] ? warn_alloc+0x120/0x120 [ 293.701749] 3503 [ 293.705201] ? print_usage_bug+0xc0/0xc0 [ 293.708970] 3503 [ 293.711028] ? warn_alloc+0x120/0x120 [ 293.717125] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 293.720897] Node 0 [ 293.725905] ? print_usage_bug+0xc0/0xc0 [ 293.725942] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 293.725950] lowmem_reserve[]: [ 293.728181] ? __lock_acquire+0x7ec/0x4ec0 [ 293.732212] 0 0 [ 293.760596] ? __lock_acquire+0x7ec/0x4ec0 [ 293.763676] 0 [ 293.767905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.769851] 0 [ 293.774090] ? should_fail+0x22d/0xd01 [ 293.775868] Node 0 [ 293.781396] ? __lock_acquire+0x7ec/0x4ec0 [ 293.783181] DMA: [ 293.787064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.789278] 1*4kB [ 293.793504] ? __lock_acquire+0x7ec/0x4ec0 [ 293.795545] (U) [ 293.800641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.802764] 0*8kB [ 293.806990] ? __lock_acquire+0x7ec/0x4ec0 [ 293.808943] 0*16kB [ 293.814054] ? should_fail+0x22d/0xd01 [ 293.814078] ? mark_held_locks+0x130/0x130 [ 293.816193] 1*32kB (U) [ 293.820442] ? mark_held_locks+0x130/0x130 [ 293.822656] 2*64kB [ 293.826540] ? graph_lock+0x170/0x170 [ 293.830745] (U) [ 293.833321] ? print_usage_bug+0xc0/0xc0 [ 293.837529] 1*128kB (U) [ 293.839774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.843544] 1*256kB [ 293.845514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.849551] (U) [ 293.852220] ? check_preemption_disabled+0x48/0x200 [ 293.856941] 0*512kB 1*1024kB [ 293.859268] ? check_preemption_disabled+0x48/0x200 [ 293.864775] (U) [ 293.866755] ? __lock_is_held+0xb5/0x140 [ 293.871731] 1*2048kB (M) [ 293.874841] __alloc_pages_nodemask+0xa80/0xde0 [ 293.879825] 3*4096kB (M) [ 293.881803] ? graph_lock+0x170/0x170 [ 293.885837] = 15908kB [ 293.885846] Node 0 [ 293.888602] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.893238] DMA32: 2*4kB [ 293.895997] ? graph_lock+0x170/0x170 [ 293.899779] (M) [ 293.902190] ? find_held_lock+0x36/0x1c0 [ 293.904385] 0*8kB 3*16kB [ 293.909440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.912156] (M) [ 293.915952] ? lock_downgrade+0x900/0x900 [ 293.917909] 1*32kB [ 293.921970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.924696] (M) [ 293.929377] cache_grow_begin+0x91/0x8c0 [ 293.931308] 2*64kB (M) [ 293.935466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.937674] 4*128kB [ 293.943203] fallback_alloc+0x203/0x2e0 [ 293.945150] (UM) [ 293.949204] ____cache_alloc_node+0x1c7/0x1e0 [ 293.951754] 3*256kB (UM) [ 293.956164] kmem_cache_alloc_node+0xe3/0x730 [ 293.958471] 4*512kB [ 293.962445] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.964484] (UM) [ 293.968975] __alloc_skb+0x119/0x770 [ 293.971701] 3*1024kB [ 293.976188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.978485] (M) [ 293.982712] ? skb_scrub_packet+0x490/0x490 [ 293.984746] 3*2048kB (UM) [ 293.988464] ? lock_downgrade+0x900/0x900 [ 293.990850] 3*4096kB [ 293.996120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.998062] (M) = 25048kB [ 294.002386] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.005202] Node 0 [ 294.009343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.011728] Normal: [ 294.017280] ? addrconf_rs_timer+0x6f0/0x6f0 [ 294.020011] 865*4kB [ 294.025465] ndisc_alloc_skb+0x144/0x340 [ 294.027666] (UMEH) [ 294.033112] ndisc_send_rs+0x331/0x6e0 [ 294.035411] 401*8kB (UMEH) 165*16kB [ 294.039831] addrconf_rs_timer+0x3c0/0x6f0 [ 294.042123] (UMEH) 83*32kB [ 294.046186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.048392] (UMEH) 31*64kB [ 294.052299] call_timer_fn+0x272/0x920 [ 294.055978] (UMH) [ 294.060204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.063109] 0*128kB [ 294.067339] ? process_timeout+0x40/0x40 [ 294.070236] 0*256kB 0*512kB [ 294.074125] ? find_held_lock+0x36/0x1c0 [ 294.076246] 0*1024kB 0*2048kB [ 294.080487] ? __run_timers+0x7da/0xc70 [ 294.082773] 0*4096kB = 13948kB [ 294.086835] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.089836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.093882] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.097057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.101025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.104192] 413 total pagecache pages [ 294.108680] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.117498] 0 pages in swap cache [ 294.121980] ? trace_hardirqs_on+0xbd/0x310 [ 294.130527] Swap cache stats: add 0, delete 0, find 0/0 [ 294.130537] Free swap = 0kB [ 294.134767] ? kasan_check_read+0x11/0x20 [ 294.138548] Total swap = 0kB [ 294.143122] ? __run_timers+0x7da/0xc70 [ 294.146552] 1965979 pages RAM [ 294.150866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.156195] 0 pages HighMem/MovableOnly [ 294.156204] 342744 pages reserved [ 294.159224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.163348] 0 pages cma reserved [ 294.163432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.166364] __run_timers+0x7e5/0xc70 [ 294.166398] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.170425] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.173474] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.178897] syz-fuzzer cpuset= [ 294.182863] ? graph_lock+0x170/0x170 [ 294.186296] / [ 294.190526] ? enqueue_hrtimer+0x1a5/0x560 [ 294.193871] mems_allowed=0 [ 294.200354] ? lock_release+0x970/0x970 [ 294.244475] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.249675] ? find_held_lock+0x36/0x1c0 [ 294.253741] ? graph_lock+0x170/0x170 [ 294.257543] ? pvclock_read_flags+0x160/0x160 [ 294.262038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.267577] ? check_preemption_disabled+0x48/0x200 [ 294.272606] ? __lock_is_held+0xb5/0x140 [ 294.276669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.282206] ? check_preemption_disabled+0x48/0x200 [ 294.287231] run_timer_softirq+0x52/0xb0 [ 294.291297] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.296326] __do_softirq+0x30b/0xad8 [ 294.300142] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.305254] ? pvclock_read_flags+0x160/0x160 [ 294.309749] ? lapic_next_event+0x5a/0x90 [ 294.314349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.319888] ? check_preemption_disabled+0x48/0x200 [ 294.324907] ? check_preemption_disabled+0x48/0x200 [ 294.329932] ? kvm_clock_read+0x18/0x30 [ 294.333912] ? kvm_sched_clock_read+0x9/0x20 [ 294.338325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.343863] ? check_preemption_disabled+0x48/0x200 [ 294.348897] irq_exit+0x17f/0x1c0 [ 294.352359] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.357203] ? smp_reschedule_interrupt+0x109/0x650 [ 294.362223] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.368106] ? interrupt_entry+0xb5/0xf0 [ 294.372173] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.377188] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.382205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.387049] ? trace_hardirqs_off+0x300/0x300 [ 294.391551] ? trace_hardirqs_off+0x300/0x300 [ 294.396054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.401600] ? check_preemption_disabled+0x48/0x200 [ 294.406626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.412173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.417025] apic_timer_interrupt+0xf/0x20 [ 294.421255] [ 294.423498] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 294.428438] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 294.447533] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 294.455246] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.462513] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 294.469780] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 294.477044] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.484311] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 294.491629] skb_clone+0x1bb/0x500 [ 294.495173] ? finish_task_switch+0x1b5/0x900 [ 294.499669] ? skb_split+0x11e0/0x11e0 [ 294.503562] ? preempt_notifier_register+0x200/0x200 [ 294.508665] ? __switch_to_asm+0x34/0x70 [ 294.512728] ? __switch_to_asm+0x34/0x70 [ 294.516789] ? __switch_to_asm+0x40/0x70 [ 294.520852] ? __switch_to_asm+0x34/0x70 [ 294.524913] ? __switch_to_asm+0x40/0x70 [ 294.528971] ? __switch_to_asm+0x34/0x70 [ 294.533027] ? __switch_to_asm+0x40/0x70 [ 294.537084] ? __switch_to_asm+0x34/0x70 [ 294.541144] ? __switch_to_asm+0x34/0x70 [ 294.545202] ? __switch_to_asm+0x40/0x70 [ 294.549265] ? __switch_to_asm+0x34/0x70 [ 294.553340] bpf_clone_redirect+0xb9/0x490 [ 294.557576] ? __schedule+0x874/0x1ed0 [ 294.561469] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 294.566491] ? __sched_text_start+0x8/0x8 [ 294.570639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.575424] ? find_held_lock+0x36/0x1c0 [ 294.579494] ? lock_acquire+0x1ed/0x520 [ 294.583466] ? bpf_test_run+0x32e/0x5a0 [ 294.587453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.592993] ? check_preemption_disabled+0x48/0x200 [ 294.598017] ? kasan_check_read+0x11/0x20 [ 294.602169] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.607452] ? rcu_bh_qs+0xc0/0xc0 [ 294.610996] ? preempt_schedule+0x4d/0x60 [ 294.615148] ? ___preempt_schedule+0x16/0x18 [ 294.619565] ? bpf_test_run+0x1c0/0x5a0 [ 294.623550] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.627960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.633519] ? bpf_test_init.isra.9+0x70/0x100 [ 294.638107] ? bpf_prog_test_run_skb+0x634/0xb40 [ 294.642874] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.647717] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.653255] ? fput+0x130/0x1a0 [ 294.656536] ? __bpf_prog_get+0x9b/0x290 [ 294.660603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.665450] ? bpf_prog_test_run+0x130/0x1a0 [ 294.669867] ? __x64_sys_bpf+0x3d8/0x510 [ 294.673926] ? bpf_prog_get+0x20/0x20 [ 294.677738] ? ksys_ioctl+0x81/0xd0 [ 294.681375] ? do_syscall_64+0x1b9/0x820 [ 294.685456] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 294.690829] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.695762] ? trace_hardirqs_off+0x300/0x300 [ 294.700262] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 294.705279] ? recalc_sigpending_tsk+0x180/0x180 [ 294.710038] ? kasan_check_write+0x14/0x20 [ 294.714280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.719132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.724517] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 294.724587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.731448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.731457] Call Trace: [ 294.738041] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.747273] [ 294.749841] syz-executor0 cpuset= [ 294.760323] dump_stack+0x1c4/0x2b4 [ 294.762448] syz0 [ 294.765894] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.769497] mems_allowed=0 [ 294.771477] warn_alloc.cold.118+0xb7/0x1bd [ 294.783870] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.788720] ? lock_downgrade+0x900/0x900 [ 294.792881] ? trace_hardirqs_off+0xb8/0x300 [ 294.797303] ? trace_hardirqs_off+0xb8/0x300 [ 294.801726] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.806601] ? warn_alloc+0x120/0x120 [ 294.810417] ? warn_alloc+0x120/0x120 [ 294.814225] ? print_usage_bug+0xc0/0xc0 [ 294.818288] ? warn_alloc+0x120/0x120 [ 294.822090] ? print_usage_bug+0xc0/0xc0 [ 294.826153] ? __lock_acquire+0x7ec/0x4ec0 [ 294.830391] ? __lock_acquire+0x7ec/0x4ec0 [ 294.834641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.840182] ? should_fail+0x22d/0xd01 [ 294.844079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.849183] ? __lock_acquire+0x7ec/0x4ec0 [ 294.853441] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.858546] ? __lock_acquire+0x7ec/0x4ec0 [ 294.862783] ? should_fail+0x22d/0xd01 [ 294.866685] ? mark_held_locks+0x130/0x130 [ 294.870934] ? mark_held_locks+0x130/0x130 [ 294.875169] ? graph_lock+0x170/0x170 [ 294.878971] ? graph_lock+0x170/0x170 [ 294.882781] ? graph_lock+0x170/0x170 [ 294.886582] ? print_usage_bug+0xc0/0xc0 [ 294.890652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.896199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.901738] ? check_preemption_disabled+0x48/0x200 [ 294.906753] ? check_preemption_disabled+0x48/0x200 [ 294.911782] ? __lock_is_held+0xb5/0x140 [ 294.915853] __alloc_pages_nodemask+0xa80/0xde0 [ 294.920524] ? graph_lock+0x170/0x170 [ 294.924330] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.929347] ? graph_lock+0x170/0x170 [ 294.933165] ? find_held_lock+0x36/0x1c0 [ 294.937240] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.941921] ? lock_downgrade+0x900/0x900 [ 294.946078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.951625] cache_grow_begin+0x91/0x8c0 [ 294.955689] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.960109] fallback_alloc+0x203/0x2e0 [ 294.964096] ____cache_alloc_node+0x1c7/0x1e0 [ 294.968600] kmem_cache_alloc_node+0xe3/0x730 [ 294.973099] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.977349] __alloc_skb+0x119/0x770 [ 294.981067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.986352] ? skb_scrub_packet+0x490/0x490 [ 294.990675] ? lock_downgrade+0x900/0x900 [ 294.994834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.000374] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.005844] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.011299] ? addrconf_rs_timer+0x6f0/0x6f0 [ 295.015723] ndisc_alloc_skb+0x144/0x340 [ 295.019797] ndisc_send_rs+0x331/0x6e0 [ 295.023700] addrconf_rs_timer+0x3c0/0x6f0 [ 295.027945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.032200] call_timer_fn+0x272/0x920 [ 295.036086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.040322] ? process_timeout+0x40/0x40 [ 295.044385] ? find_held_lock+0x36/0x1c0 [ 295.048466] ? mark_held_locks+0xc7/0x130 [ 295.052616] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.057113] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.061611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.065846] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.070439] ? trace_hardirqs_on+0xbd/0x310 [ 295.074767] ? kasan_check_read+0x11/0x20 [ 295.078922] ? __run_timers+0x7da/0xc70 [ 295.082898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.088359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.092600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.096835] __run_timers+0x7e5/0xc70 [ 295.100655] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.106021] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.111043] ? graph_lock+0x170/0x170 [ 295.114847] ? print_usage_bug+0xc0/0xc0 [ 295.118908] ? lock_release+0x970/0x970 [ 295.122892] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.128095] ? find_held_lock+0x36/0x1c0 [ 295.132165] ? graph_lock+0x170/0x170 [ 295.135971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.141511] ? check_preemption_disabled+0x48/0x200 [ 295.146542] ? __lock_is_held+0xb5/0x140 [ 295.150607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.156146] ? check_preemption_disabled+0x48/0x200 [ 295.161175] run_timer_softirq+0x52/0xb0 [ 295.165240] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.170258] __do_softirq+0x30b/0xad8 [ 295.174073] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.179184] ? pvclock_read_flags+0x160/0x160 [ 295.183703] ? lapic_next_event+0x5a/0x90 [ 295.187858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.193401] ? check_preemption_disabled+0x48/0x200 [ 295.198434] ? check_preemption_disabled+0x48/0x200 [ 295.203459] ? kvm_clock_read+0x18/0x30 [ 295.207443] ? kvm_sched_clock_read+0x9/0x20 [ 295.211876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.217423] ? check_preemption_disabled+0x48/0x200 [ 295.222457] irq_exit+0x17f/0x1c0 [ 295.225923] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.230768] ? smp_reschedule_interrupt+0x109/0x650 [ 295.235787] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.241683] ? interrupt_entry+0xb5/0xf0 [ 295.245749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.250765] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.255786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.260632] ? trace_hardirqs_off+0x300/0x300 [ 295.265124] ? trace_hardirqs_off+0x300/0x300 [ 295.269622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.275164] ? check_preemption_disabled+0x48/0x200 [ 295.280182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.285730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.290596] apic_timer_interrupt+0xf/0x20 [ 295.294828] [ 295.297066] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 295.302344] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 295.321242] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 295.328954] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 295.336219] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 295.343490] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 295.350758] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 295.358024] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 295.365336] ? arch_local_irq_restore+0x45/0x52 [ 295.370016] dump_stack+0x26a/0x2b4 [ 295.373650] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.378845] ? mark_held_locks+0x130/0x130 [ 295.383083] ? mark_held_locks+0x130/0x130 [ 295.387323] dump_header+0x27b/0xf72 [ 295.391051] ? pagefault_out_of_memory+0x197/0x197 [ 295.395988] ? mark_held_locks+0x130/0x130 [ 295.400230] ? __lock_acquire+0x7ec/0x4ec0 [ 295.404468] ? mem_cgroup_charge_statistics+0x780/0x780 [ 295.409831] ? print_usage_bug+0xc0/0xc0 [ 295.413897] ? print_usage_bug+0xc0/0xc0 [ 295.417967] ? graph_lock+0x170/0x170 [ 295.421763] ? graph_lock+0x170/0x170 [ 295.425565] ? print_usage_bug+0xc0/0xc0 [ 295.429625] ? print_usage_bug+0xc0/0xc0 [ 295.433697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.439244] ? find_held_lock+0x36/0x1c0 [ 295.443316] ? mark_held_locks+0xc7/0x130 [ 295.447471] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.452578] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.457701] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.462303] ? trace_hardirqs_on+0xbd/0x310 [ 295.466632] ? kasan_check_read+0x11/0x20 [ 295.470779] ? ___ratelimit+0x36f/0x655 [ 295.474765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.480225] ? trace_hardirqs_on+0x310/0x310 [ 295.484635] ? lock_downgrade+0x900/0x900 [ 295.488793] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.493903] ? ___ratelimit+0xaa/0x655 [ 295.497806] ? idr_get_free+0xec0/0xec0 [ 295.501783] ? kasan_check_write+0x14/0x20 [ 295.506020] ? do_raw_spin_lock+0xc1/0x200 [ 295.510263] oom_kill_process.cold.27+0x10/0x903 [ 295.515022] ? graph_lock+0x170/0x170 [ 295.518823] ? _raw_spin_unlock+0x2c/0x50 [ 295.522968] ? oom_badness+0xe6/0xaa0 [ 295.526838] ? oom_evaluate_task+0x540/0x540 [ 295.531258] ? find_held_lock+0x36/0x1c0 [ 295.535326] ? out_of_memory+0x974/0x14c0 [ 295.539476] ? lock_downgrade+0x900/0x900 [ 295.543628] ? check_preemption_disabled+0x48/0x200 [ 295.548652] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.554457] ? kasan_check_read+0x11/0x20 [ 295.558608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.563885] ? rcu_bh_qs+0xc0/0xc0 [ 295.567445] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.572467] ? oom_evaluate_task+0x302/0x540 [ 295.576882] out_of_memory+0xa86/0x14c0 [ 295.580869] ? oom_killer_disable+0x3a0/0x3a0 [ 295.585365] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 295.590385] ? __mutex_add_waiter+0x2a0/0x2a0 [ 295.594908] __alloc_pages_slowpath+0x2318/0x2d80 [ 295.599791] ? warn_alloc+0x120/0x120 [ 295.603611] ? find_get_entry+0x2f2/0xc40 [ 295.607772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.613316] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 295.618244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.623782] ? should_fail+0x22d/0xd01 [ 295.627674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.632777] ? __lock_is_held+0xb5/0x140 [ 295.636870] ? __lock_is_held+0xb5/0x140 [ 295.640951] ? find_held_lock+0x36/0x1c0 [ 295.645022] ? ___might_sleep+0x1ed/0x300 [ 295.649168] ? lock_release+0x970/0x970 [ 295.653148] ? arch_local_save_flags+0x40/0x40 [ 295.657743] ? __might_sleep+0x95/0x190 [ 295.661723] __alloc_pages_nodemask+0xa80/0xde0 [ 295.666400] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.671437] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.677237] ? kasan_check_read+0x11/0x20 [ 295.681388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.686679] ? graph_lock+0x170/0x170 [ 295.690480] ? print_usage_bug+0xc0/0xc0 [ 295.694544] ? graph_lock+0x170/0x170 [ 295.698342] ? graph_lock+0x170/0x170 [ 295.702147] ? __do_page_cache_readahead+0x7ce/0x980 [ 295.707255] ? find_held_lock+0x36/0x1c0 [ 295.711323] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 295.716867] alloc_pages_current+0x10c/0x210 [ 295.721272] ? lock_downgrade+0x900/0x900 [ 295.725436] __page_cache_alloc+0x38f/0x5b0 [ 295.729767] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.735565] ? kasan_check_read+0x11/0x20 [ 295.739715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.744996] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 295.749671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.755215] ? check_preemption_disabled+0x48/0x200 [ 295.760242] filemap_fault+0x1594/0x25f0 [ 295.764317] ? __lock_page_or_retry+0xa00/0xa00 [ 295.768990] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.774792] ? kasan_check_read+0x11/0x20 [ 295.778942] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.784223] ? rcu_bh_qs+0xc0/0xc0 [ 295.787782] ? filemap_map_pages+0xdea/0x1980 [ 295.792297] ? find_get_pages_range_tag+0x1320/0x1320 [ 295.797517] ? do_raw_spin_lock+0xc1/0x200 [ 295.801754] ? graph_lock+0x170/0x170 [ 295.805559] ? futex_wait_setup+0x266/0x3e0 [ 295.809904] ? lock_acquire+0x1ed/0x520 [ 295.813885] ? ext4_filemap_fault+0x7a/0xad [ 295.818217] ? lock_release+0x970/0x970 [ 295.822193] ? arch_local_save_flags+0x40/0x40 [ 295.826781] ? futex_wait_setup+0x3e0/0x3e0 [ 295.831101] ? print_usage_bug+0xc0/0xc0 [ 295.835176] ? down_read+0xb0/0x1d0 [ 295.838799] ? ext4_filemap_fault+0x7a/0xad [ 295.843122] ? __down_interruptible+0x700/0x700 [ 295.847802] ? find_held_lock+0x36/0x1c0 [ 295.851872] ext4_filemap_fault+0x82/0xad [ 295.856023] __do_fault+0x100/0x6b0 [ 295.859656] ? lock_downgrade+0x900/0x900 [ 295.863809] ? print_bad_pte+0x6c0/0x6c0 [ 295.867873] ? do_futex+0x249/0x26d0 [ 295.871594] ? kasan_check_read+0x11/0x20 [ 295.875742] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.880153] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 295.884742] ? add_mm_counter_fast+0xd0/0xd0 [ 295.889166] __handle_mm_fault+0x3709/0x53e0 [ 295.893585] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 295.898441] ? __fpu__restore_sig+0x62f/0x1680 [ 295.903027] ? graph_lock+0x170/0x170 [ 295.906830] ? print_usage_bug+0xc0/0xc0 [ 295.910893] ? graph_lock+0x170/0x170 [ 295.914696] ? graph_lock+0x170/0x170 [ 295.918494] ? graph_lock+0x170/0x170 [ 295.922316] ? handle_mm_fault+0x42a/0xc70 [ 295.926552] ? lock_downgrade+0x900/0x900 [ 295.930700] ? check_preemption_disabled+0x48/0x200 [ 295.935723] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.941520] ? kasan_check_read+0x11/0x20 [ 295.945670] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.950953] ? rcu_bh_qs+0xc0/0xc0 [ 295.954493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.959948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.965486] ? check_preemption_disabled+0x48/0x200 [ 295.970511] handle_mm_fault+0x54f/0xc70 [ 295.974578] ? __handle_mm_fault+0x53e0/0x53e0 [ 295.979161] ? find_vma+0x34/0x190 [ 295.982714] __do_page_fault+0x67d/0xed0 [ 295.986788] ? mm_fault_error+0x380/0x380 [ 295.990946] ? trace_hardirqs_off+0xb8/0x300 [ 295.995356] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.000718] ? trace_hardirqs_on+0x310/0x310 [ 296.005136] do_page_fault+0xf2/0x7e0 [ 296.008940] ? vmalloc_sync_all+0x30/0x30 [ 296.013090] ? error_entry+0x70/0xd0 [ 296.016804] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.021817] ? trace_hardirqs_on_caller+0xc0/0x300 [ 296.026746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.031677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.036544] ? trace_hardirqs_off+0x300/0x300 [ 296.041039] ? trace_hardirqs_off_caller+0x300/0x300 [ 296.046155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.051697] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.056722] ? page_fault+0x8/0x30 [ 296.060271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.065118] ? page_fault+0x8/0x30 [ 296.068660] page_fault+0x1e/0x30 [ 296.072114] RIP: 0033:0x407e06 [ 296.075313] Code: Bad RIP value. [ 296.078674] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 296.084034] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 296.091302] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 296.098567] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 296.105831] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 296.113095] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 296.120421] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 296.120426] warn_alloc_show_mem: 1 callbacks suppressed [ 296.120433] Mem-Info: [ 296.127625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.132989] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 296.132989] active_file:16 inactive_file:17 isolated_file:1 [ 296.132989] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.132989] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 296.132989] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 296.132989] free:13718 free_pcp:223 free_cma:0 [ 296.135361] Call Trace: [ 296.144750] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.177602] [ 296.180172] Node 0 [ 296.207848] dump_stack+0x1c4/0x2b4 [ 296.210000] 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 [ 296.212212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.215807] lowmem_reserve[]: 0 [ 296.241355] warn_alloc.cold.118+0xb7/0x1bd [ 296.246512] 2817 [ 296.249788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.254078] 6321 [ 296.256136] ? lock_downgrade+0x900/0x900 [ 296.260951] 6321 [ 296.263013] ? trace_hardirqs_off+0xb8/0x300 [ 296.267128] Node 0 [ 296.269188] ? trace_hardirqs_off+0xb8/0x300 [ 296.273591] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 296.275801] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.280168] lowmem_reserve[]: 0 [ 296.306915] ? warn_alloc+0x120/0x120 [ 296.311704] 0 [ 296.315477] ? trace_hardirqs_on+0x310/0x310 [ 296.319253] 3503 [ 296.321047] ? warn_alloc+0x120/0x120 [ 296.325434] 3503 [ 296.327491] ? print_usage_bug+0xc0/0xc0 [ 296.333325] ? warn_alloc+0x120/0x120 [ 296.337361] Node 0 [ 296.341147] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 296.341183] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 296.343390] ? print_usage_bug+0xc0/0xc0 [ 296.348384] lowmem_reserve[]: 0 [ 296.376784] ? __lock_acquire+0x7ec/0x4ec0 [ 296.380820] 0 [ 296.384103] ? __lock_acquire+0x7ec/0x4ec0 [ 296.388319] 0 [ 296.390119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.394316] 0 [ 296.396123] ? should_fail+0x22d/0xd01 [ 296.401634] Node 0 [ 296.403443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.407304] DMA: [ 296.409553] ? __lock_acquire+0x7ec/0x4ec0 [ 296.414627] 1*4kB [ 296.416686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.420893] (U) [ 296.423038] ? __lock_acquire+0x7ec/0x4ec0 [ 296.428114] 0*8kB [ 296.430085] ? should_fail+0x22d/0xd01 [ 296.434289] 0*16kB 1*32kB [ 296.436447] ? print_usage_bug+0xc0/0xc0 [ 296.440306] (U) [ 296.443155] ? mark_held_locks+0x130/0x130 [ 296.447677] 2*64kB (U) [ 296.449660] ? mark_held_locks+0x130/0x130 [ 296.453867] 1*128kB [ 296.456458] ? graph_lock+0x170/0x170 [ 296.460661] (U) [ 296.462976] ? print_usage_bug+0xc0/0xc0 [ 296.466751] 1*256kB [ 296.468722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.472757] (U) [ 296.475080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.479808] 0*512kB [ 296.481782] ? check_preemption_disabled+0x48/0x200 [ 296.487290] 1*1024kB [ 296.489605] ? check_preemption_disabled+0x48/0x200 [ 296.494594] (U) [ 296.497003] ? __lock_is_held+0xb5/0x140 [ 296.501989] 1*2048kB [ 296.503962] __alloc_pages_nodemask+0xa80/0xde0 [ 296.507995] (M) [ 296.510398] ? graph_lock+0x170/0x170 [ 296.515051] 3*4096kB [ 296.517020] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.520793] (M) [ 296.523195] ? graph_lock+0x170/0x170 [ 296.528184] = 15908kB [ 296.530161] ? find_held_lock+0x36/0x1c0 [ 296.533934] Node 0 [ 296.536342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.540372] DMA32: [ 296.542600] ? lock_downgrade+0x900/0x900 [ 296.547247] 2*4kB [ 296.549576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.553692] (M) [ 296.555841] cache_grow_begin+0x91/0x8c0 [ 296.561346] 0*8kB 3*16kB [ 296.563333] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.567364] (M) [ 296.570125] fallback_alloc+0x203/0x2e0 [ 296.574502] 1*32kB [ 296.576486] ____cache_alloc_node+0x1c7/0x1e0 [ 296.580436] (M) [ 296.582671] kmem_cache_alloc_node+0xe3/0x730 [ 296.587130] 2*64kB (M) [ 296.589110] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.593571] 4*128kB (UM) [ 296.596166] __alloc_skb+0x119/0x770 [ 296.600362] 3*256kB (UM) [ 296.603128] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.606805] 4*512kB (UM) [ 296.609568] ? skb_scrub_packet+0x490/0x490 [ 296.614809] 3*1024kB (M) [ 296.617579] ? lock_downgrade+0x900/0x900 [ 296.621869] 3*2048kB (UM) [ 296.624639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.628749] 3*4096kB (M) [ 296.631606] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.637112] = 25048kB [ 296.639867] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.645287] Node 0 [ 296.647694] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.653115] Normal: [ 296.655356] ndisc_alloc_skb+0x144/0x340 [ 296.659730] 865*4kB [ 296.662053] ndisc_send_rs+0x331/0x6e0 [ 296.666084] (UMEH) [ 296.668422] addrconf_rs_timer+0x3c0/0x6f0 [ 296.672268] 401*8kB (UMEH) [ 296.674519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.678721] 165*16kB [ 296.681656] call_timer_fn+0x272/0x920 [ 296.685853] (UMEH) [ 296.688261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.692118] 83*32kB [ 296.694351] ? process_timeout+0x40/0x40 [ 296.698565] (UMEH) 31*64kB [ 296.700891] ? find_held_lock+0x36/0x1c0 [ 296.704923] (UMH) 0*128kB [ 296.707864] ? __run_timers+0x7da/0xc70 [ 296.711892] 0*256kB [ 296.714737] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.718680] 0*512kB 0*1024kB [ 296.721009] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.725474] 0*2048kB 0*4096kB [ 296.728584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.733050] = 13948kB [ 296.736240] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.740453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.742855] ? trace_hardirqs_on+0xbd/0x310 [ 296.747415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.747427] 413 total pagecache pages [ 296.756259] ? kasan_check_read+0x11/0x20 [ 296.756278] ? __run_timers+0x7da/0xc70 [ 296.760587] 0 pages in swap cache [ 296.769157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.772938] Swap cache stats: add 0, delete 0, find 0/0 [ 296.777081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.781027] Free swap = 0kB [ 296.784474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.789895] Total swap = 0kB [ 296.795261] __run_timers+0x7e5/0xc70 [ 296.799490] 1965979 pages RAM [ 296.802519] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.806710] 0 pages HighMem/MovableOnly [ 296.806719] 342744 pages reserved [ 296.809733] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.813499] 0 pages cma reserved [ 296.813575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.816606] ? graph_lock+0x170/0x170 [ 296.816625] ? enqueue_hrtimer+0x1a5/0x560 [ 296.816641] ? lock_release+0x970/0x970 [ 296.822044] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.825949] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.829377] syz-fuzzer cpuset= [ 296.834390] ? find_held_lock+0x36/0x1c0 [ 296.837725] / [ 296.844216] ? graph_lock+0x170/0x170 [ 296.847995] mems_allowed=0 [ 296.852236] ? pvclock_read_flags+0x160/0x160 [ 296.891696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.897254] ? check_preemption_disabled+0x48/0x200 [ 296.902287] ? __lock_is_held+0xb5/0x140 [ 296.906354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.911892] ? check_preemption_disabled+0x48/0x200 [ 296.916961] run_timer_softirq+0x52/0xb0 [ 296.921026] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.926047] __do_softirq+0x30b/0xad8 [ 296.929865] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.934977] ? pvclock_read_flags+0x160/0x160 [ 296.939476] ? lapic_next_event+0x5a/0x90 [ 296.943624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.949163] ? check_preemption_disabled+0x48/0x200 [ 296.954182] ? check_preemption_disabled+0x48/0x200 [ 296.959207] ? kvm_clock_read+0x18/0x30 [ 296.963180] ? kvm_sched_clock_read+0x9/0x20 [ 296.967590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.973129] ? check_preemption_disabled+0x48/0x200 [ 296.978164] irq_exit+0x17f/0x1c0 [ 296.981621] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.986475] ? smp_reschedule_interrupt+0x109/0x650 [ 296.991494] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.997380] ? interrupt_entry+0xb5/0xf0 [ 297.001464] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.006480] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.011498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.016344] ? trace_hardirqs_off+0x300/0x300 [ 297.020836] ? trace_hardirqs_off+0x300/0x300 [ 297.025336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.030879] ? check_preemption_disabled+0x48/0x200 [ 297.035899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.041459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.046315] apic_timer_interrupt+0xf/0x20 [ 297.050545] [ 297.052784] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 297.057722] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 297.076623] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 297.084335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 297.091605] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 297.098870] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 297.106136] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 297.113411] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 297.120750] skb_clone+0x1bb/0x500 [ 297.124295] ? finish_task_switch+0x1b5/0x900 [ 297.128792] ? skb_split+0x11e0/0x11e0 [ 297.132687] ? preempt_notifier_register+0x200/0x200 [ 297.137788] ? __switch_to_asm+0x34/0x70 [ 297.141849] ? __switch_to_asm+0x34/0x70 [ 297.145912] ? __switch_to_asm+0x40/0x70 [ 297.149972] ? __switch_to_asm+0x34/0x70 [ 297.154034] ? __switch_to_asm+0x40/0x70 [ 297.158112] ? __switch_to_asm+0x34/0x70 [ 297.162176] ? __switch_to_asm+0x40/0x70 [ 297.166237] ? __switch_to_asm+0x34/0x70 [ 297.170301] ? __switch_to_asm+0x34/0x70 [ 297.174368] ? __switch_to_asm+0x40/0x70 [ 297.178451] ? __switch_to_asm+0x34/0x70 [ 297.182521] bpf_clone_redirect+0xb9/0x490 [ 297.186784] ? __schedule+0x874/0x1ed0 [ 297.190689] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 297.195711] ? __sched_text_start+0x8/0x8 [ 297.199862] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.204638] ? find_held_lock+0x36/0x1c0 [ 297.208712] ? lock_acquire+0x1ed/0x520 [ 297.212685] ? bpf_test_run+0x32e/0x5a0 [ 297.216662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.222201] ? check_preemption_disabled+0x48/0x200 [ 297.227226] ? kasan_check_read+0x11/0x20 [ 297.231381] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.236678] ? rcu_bh_qs+0xc0/0xc0 [ 297.240225] ? preempt_schedule+0x4d/0x60 [ 297.244377] ? ___preempt_schedule+0x16/0x18 [ 297.248831] ? bpf_test_run+0x1c0/0x5a0 [ 297.252830] ? netlink_diag_dump+0x2a0/0x2a0 [ 297.257245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.262788] ? bpf_test_init.isra.9+0x70/0x100 [ 297.267379] ? bpf_prog_test_run_skb+0x634/0xb40 [ 297.272159] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.277000] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.282535] ? fput+0x130/0x1a0 [ 297.285816] ? __bpf_prog_get+0x9b/0x290 [ 297.289885] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.294726] ? bpf_prog_test_run+0x130/0x1a0 [ 297.299143] ? __x64_sys_bpf+0x3d8/0x510 [ 297.303206] ? bpf_prog_get+0x20/0x20 [ 297.307020] ? ksys_ioctl+0x81/0xd0 [ 297.310657] ? do_syscall_64+0x1b9/0x820 [ 297.314718] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.320087] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.325019] ? trace_hardirqs_off+0x300/0x300 [ 297.329515] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.334533] ? recalc_sigpending_tsk+0x180/0x180 [ 297.339296] ? kasan_check_write+0x14/0x20 [ 297.343540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.348390] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.353790] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 297.353860] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.360712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.360717] Call Trace: [ 297.360724] [ 297.360739] dump_stack+0x1c4/0x2b4 [ 297.360755] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.360782] warn_alloc.cold.118+0xb7/0x1bd [ 297.367336] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.376596] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.379155] syz-executor0 cpuset= [ 297.381298] ? lock_downgrade+0x900/0x900 [ 297.384897] syz0 [ 297.390086] ? trace_hardirqs_off+0xb8/0x300 [ 297.394378] mems_allowed=0 [ 297.404863] ? trace_hardirqs_off+0xb8/0x300 [ 297.430934] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.435810] ? warn_alloc+0x120/0x120 [ 297.439620] ? warn_alloc+0x120/0x120 [ 297.443433] ? print_usage_bug+0xc0/0xc0 [ 297.447499] ? warn_alloc+0x120/0x120 [ 297.451301] ? print_usage_bug+0xc0/0xc0 [ 297.455366] ? __lock_acquire+0x7ec/0x4ec0 [ 297.459603] ? __lock_acquire+0x7ec/0x4ec0 [ 297.463844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.469386] ? should_fail+0x22d/0xd01 [ 297.473291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.478401] ? __lock_acquire+0x7ec/0x4ec0 [ 297.482653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.487760] ? __lock_acquire+0x7ec/0x4ec0 [ 297.491998] ? should_fail+0x22d/0xd01 [ 297.495904] ? mark_held_locks+0x130/0x130 [ 297.500147] ? mark_held_locks+0x130/0x130 [ 297.504382] ? graph_lock+0x170/0x170 [ 297.508194] ? graph_lock+0x170/0x170 [ 297.511997] ? graph_lock+0x170/0x170 [ 297.515799] ? print_usage_bug+0xc0/0xc0 [ 297.519863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.525400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.530954] ? check_preemption_disabled+0x48/0x200 [ 297.535973] ? check_preemption_disabled+0x48/0x200 [ 297.540999] ? __lock_is_held+0xb5/0x140 [ 297.545068] __alloc_pages_nodemask+0xa80/0xde0 [ 297.549739] ? graph_lock+0x170/0x170 [ 297.553544] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.558557] ? graph_lock+0x170/0x170 [ 297.562369] ? find_held_lock+0x36/0x1c0 [ 297.566445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.571117] ? lock_downgrade+0x900/0x900 [ 297.575276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.580824] cache_grow_begin+0x91/0x8c0 [ 297.584892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.589315] fallback_alloc+0x203/0x2e0 [ 297.593302] ____cache_alloc_node+0x1c7/0x1e0 [ 297.597807] kmem_cache_alloc_node+0xe3/0x730 [ 297.602307] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.606558] __alloc_skb+0x119/0x770 [ 297.610273] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.615556] ? skb_scrub_packet+0x490/0x490 [ 297.619881] ? lock_downgrade+0x900/0x900 [ 297.624037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.629575] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.635036] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.640488] ? addrconf_rs_timer+0x6f0/0x6f0 [ 297.644920] ndisc_alloc_skb+0x144/0x340 [ 297.648988] ndisc_send_rs+0x331/0x6e0 [ 297.652886] addrconf_rs_timer+0x3c0/0x6f0 [ 297.657137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.661388] call_timer_fn+0x272/0x920 [ 297.665285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.669525] ? process_timeout+0x40/0x40 [ 297.673583] ? find_held_lock+0x36/0x1c0 [ 297.677656] ? mark_held_locks+0xc7/0x130 [ 297.681811] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.686310] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.690806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.695039] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.699622] ? trace_hardirqs_on+0xbd/0x310 [ 297.703959] ? kasan_check_read+0x11/0x20 [ 297.708108] ? __run_timers+0x7da/0xc70 [ 297.712084] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.717545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.721792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.726028] __run_timers+0x7e5/0xc70 [ 297.729843] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.735213] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.740231] ? graph_lock+0x170/0x170 [ 297.744038] ? print_usage_bug+0xc0/0xc0 [ 297.748096] ? lock_release+0x970/0x970 [ 297.752072] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.757269] ? find_held_lock+0x36/0x1c0 [ 297.761338] ? graph_lock+0x170/0x170 [ 297.765146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.770706] ? check_preemption_disabled+0x48/0x200 [ 297.775738] ? __lock_is_held+0xb5/0x140 [ 297.779811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.785349] ? check_preemption_disabled+0x48/0x200 [ 297.790378] run_timer_softirq+0x52/0xb0 [ 297.794447] ? rcu_read_lock_sched_held+0x108/0x120 [ 297.799465] __do_softirq+0x30b/0xad8 [ 297.803282] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.808395] ? pvclock_read_flags+0x160/0x160 [ 297.812920] ? lapic_next_event+0x5a/0x90 [ 297.817070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.822610] ? check_preemption_disabled+0x48/0x200 [ 297.827629] ? check_preemption_disabled+0x48/0x200 [ 297.832655] ? kvm_clock_read+0x18/0x30 [ 297.836629] ? kvm_sched_clock_read+0x9/0x20 [ 297.841043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.846582] ? check_preemption_disabled+0x48/0x200 [ 297.851616] irq_exit+0x17f/0x1c0 [ 297.855083] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.859933] ? smp_reschedule_interrupt+0x109/0x650 [ 297.864954] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.870839] ? interrupt_entry+0xb5/0xf0 [ 297.874905] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.879934] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.884955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.889796] ? trace_hardirqs_off+0x300/0x300 [ 297.894297] ? trace_hardirqs_off+0x300/0x300 [ 297.898826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.904365] ? check_preemption_disabled+0x48/0x200 [ 297.909379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.914939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.919792] apic_timer_interrupt+0xf/0x20 [ 297.924021] [ 297.926257] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 297.931535] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 297.950443] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 297.958153] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 297.965430] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 297.972699] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 297.979975] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 297.987240] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 297.994531] ? arch_local_irq_restore+0x45/0x52 [ 297.999214] dump_stack+0x26a/0x2b4 [ 298.002848] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.008045] ? mark_held_locks+0x130/0x130 [ 298.012286] ? mark_held_locks+0x130/0x130 [ 298.016527] dump_header+0x27b/0xf72 [ 298.020259] ? pagefault_out_of_memory+0x197/0x197 [ 298.025198] ? mark_held_locks+0x130/0x130 [ 298.029438] ? __lock_acquire+0x7ec/0x4ec0 [ 298.033677] ? mem_cgroup_charge_statistics+0x780/0x780 [ 298.039041] ? print_usage_bug+0xc0/0xc0 [ 298.043106] ? print_usage_bug+0xc0/0xc0 [ 298.047178] ? graph_lock+0x170/0x170 [ 298.050977] ? graph_lock+0x170/0x170 [ 298.054776] ? print_usage_bug+0xc0/0xc0 [ 298.058835] ? print_usage_bug+0xc0/0xc0 [ 298.062909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.068462] ? find_held_lock+0x36/0x1c0 [ 298.072537] ? mark_held_locks+0xc7/0x130 [ 298.076689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.081791] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.086894] ? lockdep_hardirqs_on+0x421/0x5c0 [ 298.091483] ? trace_hardirqs_on+0xbd/0x310 [ 298.095806] ? kasan_check_read+0x11/0x20 [ 298.099955] ? ___ratelimit+0x36f/0x655 [ 298.103938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.109394] ? trace_hardirqs_on+0x310/0x310 [ 298.113818] ? lock_downgrade+0x900/0x900 [ 298.117976] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.123083] ? ___ratelimit+0xaa/0x655 [ 298.126973] ? idr_get_free+0xec0/0xec0 [ 298.130954] ? kasan_check_write+0x14/0x20 [ 298.135192] ? do_raw_spin_lock+0xc1/0x200 [ 298.139441] oom_kill_process.cold.27+0x10/0x903 [ 298.144199] ? graph_lock+0x170/0x170 [ 298.148004] ? _raw_spin_unlock+0x2c/0x50 [ 298.152155] ? oom_badness+0xe6/0xaa0 [ 298.155962] ? oom_evaluate_task+0x540/0x540 [ 298.160380] ? find_held_lock+0x36/0x1c0 [ 298.164460] ? out_of_memory+0x974/0x14c0 [ 298.168610] ? lock_downgrade+0x900/0x900 [ 298.172759] ? check_preemption_disabled+0x48/0x200 [ 298.177782] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.183582] ? kasan_check_read+0x11/0x20 [ 298.187740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.193021] ? rcu_bh_qs+0xc0/0xc0 [ 298.196585] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.201601] ? oom_evaluate_task+0x302/0x540 [ 298.206025] out_of_memory+0xa86/0x14c0 [ 298.210013] ? oom_killer_disable+0x3a0/0x3a0 [ 298.214510] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 298.219456] ? __mutex_add_waiter+0x2a0/0x2a0 [ 298.223968] __alloc_pages_slowpath+0x2318/0x2d80 [ 298.228845] ? warn_alloc+0x120/0x120 [ 298.232661] ? find_get_entry+0x2f2/0xc40 [ 298.236824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.242366] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 298.247296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.252837] ? should_fail+0x22d/0xd01 [ 298.256741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.261845] ? __lock_is_held+0xb5/0x140 [ 298.265942] ? __lock_is_held+0xb5/0x140 [ 298.270012] ? find_held_lock+0x36/0x1c0 [ 298.274076] ? ___might_sleep+0x1ed/0x300 [ 298.278225] ? lock_release+0x970/0x970 [ 298.282203] ? arch_local_save_flags+0x40/0x40 [ 298.286802] ? __might_sleep+0x95/0x190 [ 298.290782] __alloc_pages_nodemask+0xa80/0xde0 [ 298.295460] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.300484] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.306282] ? kasan_check_read+0x11/0x20 [ 298.310438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.315998] ? graph_lock+0x170/0x170 [ 298.319800] ? print_usage_bug+0xc0/0xc0 [ 298.323864] ? graph_lock+0x170/0x170 [ 298.327663] ? graph_lock+0x170/0x170 [ 298.331463] ? __do_page_cache_readahead+0x7ce/0x980 [ 298.336573] ? find_held_lock+0x36/0x1c0 [ 298.340639] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.346182] alloc_pages_current+0x10c/0x210 [ 298.350592] ? lock_downgrade+0x900/0x900 [ 298.354751] __page_cache_alloc+0x38f/0x5b0 [ 298.359078] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.364877] ? kasan_check_read+0x11/0x20 [ 298.369034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.374319] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 298.378995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.384534] ? check_preemption_disabled+0x48/0x200 [ 298.389564] filemap_fault+0x1594/0x25f0 [ 298.393643] ? __lock_page_or_retry+0xa00/0xa00 [ 298.398313] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.404121] ? kasan_check_read+0x11/0x20 [ 298.408277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.413556] ? rcu_bh_qs+0xc0/0xc0 [ 298.417117] ? filemap_map_pages+0xdea/0x1980 [ 298.421637] ? find_get_pages_range_tag+0x1320/0x1320 [ 298.426835] ? do_raw_spin_lock+0xc1/0x200 [ 298.431075] ? graph_lock+0x170/0x170 [ 298.434884] ? futex_wait_setup+0x266/0x3e0 [ 298.439235] ? lock_acquire+0x1ed/0x520 [ 298.443216] ? ext4_filemap_fault+0x7a/0xad [ 298.448065] ? lock_release+0x970/0x970 [ 298.452043] ? arch_local_save_flags+0x40/0x40 [ 298.456635] ? futex_wait_setup+0x3e0/0x3e0 [ 298.460955] ? print_usage_bug+0xc0/0xc0 [ 298.465029] ? down_read+0xb0/0x1d0 [ 298.468660] ? ext4_filemap_fault+0x7a/0xad [ 298.472985] ? __down_interruptible+0x700/0x700 [ 298.477681] ? find_held_lock+0x36/0x1c0 [ 298.481764] ext4_filemap_fault+0x82/0xad [ 298.485936] __do_fault+0x100/0x6b0 [ 298.489579] ? lock_downgrade+0x900/0x900 [ 298.493748] ? print_bad_pte+0x6c0/0x6c0 [ 298.497840] ? do_futex+0x249/0x26d0 [ 298.501571] ? kasan_check_read+0x11/0x20 [ 298.505744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.510163] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 298.514754] ? add_mm_counter_fast+0xd0/0xd0 [ 298.519181] __handle_mm_fault+0x3709/0x53e0 [ 298.523603] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 298.528448] ? __fpu__restore_sig+0x62f/0x1680 [ 298.533036] ? graph_lock+0x170/0x170 [ 298.536838] ? print_usage_bug+0xc0/0xc0 [ 298.540907] ? graph_lock+0x170/0x170 [ 298.544718] ? graph_lock+0x170/0x170 [ 298.548517] ? graph_lock+0x170/0x170 [ 298.552343] ? handle_mm_fault+0x42a/0xc70 [ 298.556610] ? lock_downgrade+0x900/0x900 [ 298.560778] ? check_preemption_disabled+0x48/0x200 [ 298.565809] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.571615] ? kasan_check_read+0x11/0x20 [ 298.575789] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.581068] ? rcu_bh_qs+0xc0/0xc0 [ 298.584613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.590070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.595633] ? check_preemption_disabled+0x48/0x200 [ 298.600663] handle_mm_fault+0x54f/0xc70 [ 298.604730] ? __handle_mm_fault+0x53e0/0x53e0 [ 298.609321] ? find_vma+0x34/0x190 [ 298.612871] __do_page_fault+0x67d/0xed0 [ 298.616953] ? mm_fault_error+0x380/0x380 [ 298.621130] ? trace_hardirqs_off+0xb8/0x300 [ 298.625544] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.630910] ? trace_hardirqs_on+0x310/0x310 [ 298.635334] do_page_fault+0xf2/0x7e0 [ 298.639141] ? vmalloc_sync_all+0x30/0x30 [ 298.643291] ? error_entry+0x70/0xd0 [ 298.647008] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.652025] ? trace_hardirqs_on_caller+0xc0/0x300 [ 298.656958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.661893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.666748] ? trace_hardirqs_off+0x300/0x300 [ 298.671244] ? trace_hardirqs_off_caller+0x300/0x300 [ 298.676360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.681900] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.686935] ? page_fault+0x8/0x30 [ 298.690485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.695338] ? page_fault+0x8/0x30 [ 298.698880] page_fault+0x1e/0x30 [ 298.702335] RIP: 0033:0x407e06 [ 298.705531] Code: Bad RIP value. [ 298.708890] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 298.714259] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 298.721528] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 298.728800] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 298.736069] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 298.743341] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 298.750650] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 298.750655] warn_alloc_show_mem: 1 callbacks suppressed [ 298.750663] Mem-Info: [ 298.757849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.757858] Call Trace: [ 298.763249] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 298.763249] active_file:16 inactive_file:17 isolated_file:1 [ 298.763249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 298.763249] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 298.763249] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 298.763249] free:13718 free_pcp:223 free_cma:0 [ 298.765622] [ 298.774986] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 298.777576] dump_stack+0x1c4/0x2b4 [ 298.810451] Node 0 [ 298.812610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.840280] 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 [ 298.843896] warn_alloc.cold.118+0xb7/0x1bd [ 298.846094] lowmem_reserve[]: [ 298.851282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.876791] 0 [ 298.881120] ? lock_downgrade+0x900/0x900 [ 298.884193] 2817 [ 298.889038] ? trace_hardirqs_off+0xb8/0x300 [ 298.890798] 6321 6321 [ 298.894957] ? trace_hardirqs_off+0xb8/0x300 [ 298.896991] Node 0 [ 298.901402] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.903889] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 298.908293] ? warn_alloc+0x120/0x120 [ 298.910476] lowmem_reserve[]: [ 298.915318] ? trace_hardirqs_on+0x310/0x310 [ 298.942010] 0 0 [ 298.945846] ? warn_alloc+0x120/0x120 [ 298.948912] 3503 3503 [ 298.953328] ? print_usage_bug+0xc0/0xc0 [ 298.959072] ? warn_alloc+0x120/0x120 [ 298.961540] Node 0 [ 298.965602] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 298.969420] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 298.971628] ? print_usage_bug+0xc0/0xc0 [ 298.976606] lowmem_reserve[]: 0 [ 299.005023] ? __lock_acquire+0x7ec/0x4ec0 [ 299.009055] 0 [ 299.012329] ? __lock_acquire+0x7ec/0x4ec0 [ 299.016532] 0 0 [ 299.018342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.022549] Node 0 [ 299.024543] ? should_fail+0x22d/0xd01 [ 299.030044] DMA: 1*4kB [ 299.032286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.036145] (U) [ 299.038723] ? __lock_acquire+0x7ec/0x4ec0 [ 299.043800] 0*8kB [ 299.045770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.049972] 0*16kB 1*32kB [ 299.052127] ? __lock_acquire+0x7ec/0x4ec0 [ 299.057298] (U) 2*64kB [ 299.060162] ? should_fail+0x22d/0xd01 [ 299.064361] (U) 1*128kB [ 299.066971] ? print_usage_bug+0xc0/0xc0 [ 299.070830] (U) [ 299.073510] ? mark_held_locks+0x130/0x130 [ 299.077528] 1*256kB (U) [ 299.079523] ? mark_held_locks+0x130/0x130 [ 299.083721] 0*512kB 1*1024kB [ 299.086398] ? graph_lock+0x170/0x170 [ 299.090594] (U) 1*2048kB [ 299.093702] ? print_usage_bug+0xc0/0xc0 [ 299.097475] (M) [ 299.100234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.104265] 3*4096kB [ 299.106238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.110963] (M) [ 299.113377] ? check_preemption_disabled+0x48/0x200 [ 299.118880] = 15908kB [ 299.118888] Node 0 [ 299.120866] ? check_preemption_disabled+0x48/0x200 [ 299.125850] DMA32: [ 299.128265] ? __lock_is_held+0xb5/0x140 [ 299.130467] 2*4kB [ 299.135482] __alloc_pages_nodemask+0xa80/0xde0 [ 299.137686] (M) 0*8kB [ 299.141751] ? graph_lock+0x170/0x170 [ 299.143883] 3*16kB [ 299.148547] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.151012] (M) [ 299.154809] ? graph_lock+0x170/0x170 [ 299.157028] 1*32kB [ 299.162053] ? find_held_lock+0x36/0x1c0 [ 299.163989] (M) [ 299.167791] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.169996] 2*64kB [ 299.174054] ? lock_downgrade+0x900/0x900 [ 299.176000] (M) [ 299.180666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.182868] 4*128kB (UM) [ 299.187020] cache_grow_begin+0x91/0x8c0 [ 299.189051] 3*256kB (UM) [ 299.194593] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.197335] 4*512kB (UM) [ 299.201429] fallback_alloc+0x203/0x2e0 [ 299.204149] 3*1024kB [ 299.208555] ____cache_alloc_node+0x1c7/0x1e0 [ 299.211285] (M) [ 299.215256] kmem_cache_alloc_node+0xe3/0x730 [ 299.217636] 3*2048kB (UM) [ 299.222135] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.224078] 3*4096kB (M) [ 299.228584] __alloc_skb+0x119/0x770 [ 299.231396] = 25048kB [ 299.231404] Node 0 [ 299.235651] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.238374] Normal: 865*4kB [ 299.242102] ? skb_scrub_packet+0x490/0x490 [ 299.244481] (UMEH) [ 299.246713] ? lock_downgrade+0x900/0x900 [ 299.252061] 401*8kB [ 299.255080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.259359] (UMEH) 165*16kB [ 299.261604] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.265717] (UMEH) 83*32kB [ 299.268044] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.273551] (UMEH) [ 299.276565] ? addrconf_rs_timer+0x6f0/0x6f0 [ 299.281985] 31*64kB [ 299.284920] ndisc_alloc_skb+0x144/0x340 [ 299.290328] (UMH) 0*128kB [ 299.292569] ndisc_send_rs+0x331/0x6e0 [ 299.296947] 0*256kB [ 299.299273] addrconf_rs_timer+0x3c0/0x6f0 [ 299.303302] 0*512kB [ 299.306147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.310009] 0*1024kB 0*2048kB [ 299.312350] call_timer_fn+0x272/0x920 [ 299.316544] 0*4096kB = 13948kB [ 299.318873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.323088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.326269] ? process_timeout+0x40/0x40 [ 299.330133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.333312] ? find_held_lock+0x36/0x1c0 [ 299.337522] 413 total pagecache pages [ 299.346359] ? __run_timers+0x7da/0xc70 [ 299.350392] 0 pages in swap cache [ 299.358962] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.363001] Swap cache stats: add 0, delete 0, find 0/0 [ 299.366794] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.370739] Free swap = 0kB [ 299.370748] Total swap = 0kB [ 299.374205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.378667] 1965979 pages RAM [ 299.384027] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.388488] 0 pages HighMem/MovableOnly [ 299.388497] 342744 pages reserved [ 299.391511] ? trace_hardirqs_on+0xbd/0x310 [ 299.394501] 0 pages cma reserved [ 299.398741] ? kasan_check_read+0x11/0x20 [ 299.401879] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.406387] ? __run_timers+0x7da/0xc70 [ 299.406405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.406441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.410453] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.413846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.418142] syz-fuzzer cpuset= [ 299.421504] __run_timers+0x7e5/0xc70 [ 299.425625] / [ 299.432121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.436063] mems_allowed=0 [ 299.441514] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.482095] ? graph_lock+0x170/0x170 [ 299.485906] ? enqueue_hrtimer+0x1a5/0x560 [ 299.490144] ? lock_release+0x970/0x970 [ 299.494121] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.499323] ? find_held_lock+0x36/0x1c0 [ 299.503389] ? graph_lock+0x170/0x170 [ 299.507207] ? pvclock_read_flags+0x160/0x160 [ 299.511708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.517253] ? check_preemption_disabled+0x48/0x200 [ 299.522288] ? __lock_is_held+0xb5/0x140 [ 299.526358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.531906] ? check_preemption_disabled+0x48/0x200 [ 299.536937] run_timer_softirq+0x52/0xb0 [ 299.541007] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.546037] __do_softirq+0x30b/0xad8 [ 299.549862] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.554977] ? pvclock_read_flags+0x160/0x160 [ 299.559473] ? lapic_next_event+0x5a/0x90 [ 299.563624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.569168] ? check_preemption_disabled+0x48/0x200 [ 299.574188] ? check_preemption_disabled+0x48/0x200 [ 299.579216] ? kvm_clock_read+0x18/0x30 [ 299.583195] ? kvm_sched_clock_read+0x9/0x20 [ 299.587610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.593153] ? check_preemption_disabled+0x48/0x200 [ 299.598189] irq_exit+0x17f/0x1c0 [ 299.601648] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.606496] ? smp_reschedule_interrupt+0x109/0x650 [ 299.611514] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.617416] ? interrupt_entry+0xb5/0xf0 [ 299.621488] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.626507] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.631525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.636372] ? trace_hardirqs_off+0x300/0x300 [ 299.640869] ? trace_hardirqs_off+0x300/0x300 [ 299.645393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.650964] ? check_preemption_disabled+0x48/0x200 [ 299.655984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.661533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.666392] apic_timer_interrupt+0xf/0x20 [ 299.670634] [ 299.672882] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 299.677813] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 299.696720] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 299.704453] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 299.711731] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 299.719006] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 299.726293] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 299.733564] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 299.740882] skb_clone+0x1bb/0x500 [ 299.744457] ? finish_task_switch+0x1b5/0x900 [ 299.748960] ? skb_split+0x11e0/0x11e0 [ 299.752851] ? preempt_notifier_register+0x200/0x200 [ 299.757963] ? __switch_to_asm+0x34/0x70 [ 299.762026] ? __switch_to_asm+0x34/0x70 [ 299.766085] ? __switch_to_asm+0x40/0x70 [ 299.770145] ? __switch_to_asm+0x34/0x70 [ 299.774203] ? __switch_to_asm+0x40/0x70 [ 299.778264] ? __switch_to_asm+0x34/0x70 [ 299.782341] ? __switch_to_asm+0x40/0x70 [ 299.786415] ? __switch_to_asm+0x34/0x70 [ 299.790487] ? __switch_to_asm+0x34/0x70 [ 299.794548] ? __switch_to_asm+0x40/0x70 [ 299.798610] ? __switch_to_asm+0x34/0x70 [ 299.802682] bpf_clone_redirect+0xb9/0x490 [ 299.806926] ? __schedule+0x874/0x1ed0 [ 299.810822] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 299.815845] ? __sched_text_start+0x8/0x8 [ 299.819995] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.824775] ? find_held_lock+0x36/0x1c0 [ 299.828853] ? lock_acquire+0x1ed/0x520 [ 299.832837] ? bpf_test_run+0x32e/0x5a0 [ 299.836817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.842359] ? check_preemption_disabled+0x48/0x200 [ 299.847383] ? kasan_check_read+0x11/0x20 [ 299.851552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.856834] ? rcu_bh_qs+0xc0/0xc0 [ 299.860383] ? preempt_schedule+0x4d/0x60 [ 299.864555] ? ___preempt_schedule+0x16/0x18 [ 299.868973] ? bpf_test_run+0x1c0/0x5a0 [ 299.872962] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.877378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.882930] ? bpf_test_init.isra.9+0x70/0x100 [ 299.887521] ? bpf_prog_test_run_skb+0x634/0xb40 [ 299.892290] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.897134] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.902703] ? fput+0x130/0x1a0 [ 299.905983] ? __bpf_prog_get+0x9b/0x290 [ 299.910051] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.914894] ? bpf_prog_test_run+0x130/0x1a0 [ 299.919311] ? __x64_sys_bpf+0x3d8/0x510 [ 299.923371] ? bpf_prog_get+0x20/0x20 [ 299.927184] ? ksys_ioctl+0x81/0xd0 [ 299.930828] ? do_syscall_64+0x1b9/0x820 [ 299.934894] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.940261] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.945198] ? trace_hardirqs_off+0x300/0x300 [ 299.949702] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.954722] ? recalc_sigpending_tsk+0x180/0x180 [ 299.959498] ? kasan_check_write+0x14/0x20 [ 299.963746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.968604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.973989] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 299.974076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.980924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.980934] Call Trace: [ 299.987551] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.996765] [ 299.999341] syz-executor0 cpuset= [ 300.009826] dump_stack+0x1c4/0x2b4 [ 300.011952] syz0 [ 300.015401] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.019019] mems_allowed=0 [ 300.020999] warn_alloc.cold.118+0xb7/0x1bd [ 300.033398] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.038255] ? lock_downgrade+0x900/0x900 [ 300.042421] ? trace_hardirqs_off+0xb8/0x300 [ 300.046839] ? trace_hardirqs_off+0xb8/0x300 [ 300.051261] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.056136] ? warn_alloc+0x120/0x120 [ 300.059949] ? warn_alloc+0x120/0x120 [ 300.063756] ? print_usage_bug+0xc0/0xc0 [ 300.067820] ? warn_alloc+0x120/0x120 [ 300.071621] ? print_usage_bug+0xc0/0xc0 [ 300.075685] ? __lock_acquire+0x7ec/0x4ec0 [ 300.079929] ? __lock_acquire+0x7ec/0x4ec0 [ 300.084199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.089736] ? should_fail+0x22d/0xd01 [ 300.093633] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.098734] ? __lock_acquire+0x7ec/0x4ec0 [ 300.102973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.108078] ? __lock_acquire+0x7ec/0x4ec0 [ 300.112310] ? should_fail+0x22d/0xd01 [ 300.116207] ? mark_held_locks+0x130/0x130 [ 300.120448] ? mark_held_locks+0x130/0x130 [ 300.124687] ? graph_lock+0x170/0x170 [ 300.128490] ? graph_lock+0x170/0x170 [ 300.132296] ? graph_lock+0x170/0x170 [ 300.136098] ? print_usage_bug+0xc0/0xc0 [ 300.140230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.145770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.151309] ? check_preemption_disabled+0x48/0x200 [ 300.156329] ? check_preemption_disabled+0x48/0x200 [ 300.161355] ? __lock_is_held+0xb5/0x140 [ 300.165433] __alloc_pages_nodemask+0xa80/0xde0 [ 300.170104] ? graph_lock+0x170/0x170 [ 300.173911] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.178938] ? graph_lock+0x170/0x170 [ 300.182755] ? find_held_lock+0x36/0x1c0 [ 300.186827] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.191506] ? lock_downgrade+0x900/0x900 [ 300.195665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.201209] cache_grow_begin+0x91/0x8c0 [ 300.205271] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.209697] fallback_alloc+0x203/0x2e0 [ 300.213680] ____cache_alloc_node+0x1c7/0x1e0 [ 300.218183] kmem_cache_alloc_node+0xe3/0x730 [ 300.222685] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.226941] __alloc_skb+0x119/0x770 [ 300.230678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.235961] ? skb_scrub_packet+0x490/0x490 [ 300.240283] ? lock_downgrade+0x900/0x900 [ 300.244449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.249994] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.255453] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.260906] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.265332] ndisc_alloc_skb+0x144/0x340 [ 300.269401] ndisc_send_rs+0x331/0x6e0 [ 300.273309] addrconf_rs_timer+0x3c0/0x6f0 [ 300.277549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.281799] call_timer_fn+0x272/0x920 [ 300.285704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.289945] ? process_timeout+0x40/0x40 [ 300.294007] ? find_held_lock+0x36/0x1c0 [ 300.298079] ? mark_held_locks+0xc7/0x130 [ 300.302231] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.306733] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.311231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.315741] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.320324] ? trace_hardirqs_on+0xbd/0x310 [ 300.324649] ? kasan_check_read+0x11/0x20 [ 300.328802] ? __run_timers+0x7da/0xc70 [ 300.332782] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.338239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.342484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.346720] __run_timers+0x7e5/0xc70 [ 300.350539] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.355912] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.360945] ? graph_lock+0x170/0x170 [ 300.364755] ? print_usage_bug+0xc0/0xc0 [ 300.368818] ? lock_release+0x970/0x970 [ 300.372795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.377992] ? find_held_lock+0x36/0x1c0 [ 300.382060] ? graph_lock+0x170/0x170 [ 300.385865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.391405] ? check_preemption_disabled+0x48/0x200 [ 300.396454] ? __lock_is_held+0xb5/0x140 [ 300.400522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.406063] ? check_preemption_disabled+0x48/0x200 [ 300.411088] run_timer_softirq+0x52/0xb0 [ 300.415153] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.420175] __do_softirq+0x30b/0xad8 [ 300.423987] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.429096] ? pvclock_read_flags+0x160/0x160 [ 300.433593] ? lapic_next_event+0x5a/0x90 [ 300.437745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.443285] ? check_preemption_disabled+0x48/0x200 [ 300.448775] ? check_preemption_disabled+0x48/0x200 [ 300.453802] ? kvm_clock_read+0x18/0x30 [ 300.457779] ? kvm_sched_clock_read+0x9/0x20 [ 300.462191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.467729] ? check_preemption_disabled+0x48/0x200 [ 300.472794] irq_exit+0x17f/0x1c0 [ 300.476259] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.481104] ? smp_reschedule_interrupt+0x109/0x650 [ 300.486123] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.492011] ? interrupt_entry+0xb5/0xf0 [ 300.496077] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.501096] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.506117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.510960] ? trace_hardirqs_off+0x300/0x300 [ 300.515457] ? trace_hardirqs_off+0x300/0x300 [ 300.519967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.525509] ? check_preemption_disabled+0x48/0x200 [ 300.530528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.536082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.540943] apic_timer_interrupt+0xf/0x20 [ 300.545175] [ 300.547421] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 300.552707] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 300.571613] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 300.579327] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 300.586600] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 300.593871] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 300.601135] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 300.608404] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 300.615721] ? arch_local_irq_restore+0x45/0x52 [ 300.620490] dump_stack+0x26a/0x2b4 [ 300.624120] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.629318] ? mark_held_locks+0x130/0x130 [ 300.633556] ? mark_held_locks+0x130/0x130 [ 300.637799] dump_header+0x27b/0xf72 [ 300.641536] ? pagefault_out_of_memory+0x197/0x197 [ 300.646475] ? mark_held_locks+0x130/0x130 [ 300.650716] ? __lock_acquire+0x7ec/0x4ec0 [ 300.654957] ? mem_cgroup_charge_statistics+0x780/0x780 [ 300.660323] ? print_usage_bug+0xc0/0xc0 [ 300.664386] ? print_usage_bug+0xc0/0xc0 [ 300.668464] ? graph_lock+0x170/0x170 [ 300.672264] ? graph_lock+0x170/0x170 [ 300.676068] ? print_usage_bug+0xc0/0xc0 [ 300.680125] ? print_usage_bug+0xc0/0xc0 [ 300.684201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.689751] ? find_held_lock+0x36/0x1c0 [ 300.693820] ? mark_held_locks+0xc7/0x130 [ 300.697971] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.703075] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.708181] ? lockdep_hardirqs_on+0x421/0x5c0 [ 300.712769] ? trace_hardirqs_on+0xbd/0x310 [ 300.717090] ? kasan_check_read+0x11/0x20 [ 300.721243] ? ___ratelimit+0x36f/0x655 [ 300.725223] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.730679] ? trace_hardirqs_on+0x310/0x310 [ 300.735089] ? lock_downgrade+0x900/0x900 [ 300.739246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.744352] ? ___ratelimit+0xaa/0x655 [ 300.748245] ? idr_get_free+0xec0/0xec0 [ 300.752228] ? kasan_check_write+0x14/0x20 [ 300.756484] ? do_raw_spin_lock+0xc1/0x200 [ 300.760734] oom_kill_process.cold.27+0x10/0x903 [ 300.765492] ? graph_lock+0x170/0x170 [ 300.769292] ? _raw_spin_unlock+0x2c/0x50 [ 300.773447] ? oom_badness+0xe6/0xaa0 [ 300.777256] ? oom_evaluate_task+0x540/0x540 [ 300.781671] ? find_held_lock+0x36/0x1c0 [ 300.785744] ? out_of_memory+0x974/0x14c0 [ 300.789896] ? lock_downgrade+0x900/0x900 [ 300.794054] ? check_preemption_disabled+0x48/0x200 [ 300.799081] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.804881] ? kasan_check_read+0x11/0x20 [ 300.809034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.814315] ? rcu_bh_qs+0xc0/0xc0 [ 300.817858] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.822877] ? oom_evaluate_task+0x302/0x540 [ 300.827289] out_of_memory+0xa86/0x14c0 [ 300.831273] ? oom_killer_disable+0x3a0/0x3a0 [ 300.835769] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 300.840707] ? __mutex_add_waiter+0x2a0/0x2a0 [ 300.845215] __alloc_pages_slowpath+0x2318/0x2d80 [ 300.850091] ? warn_alloc+0x120/0x120 [ 300.853911] ? find_get_entry+0x2f2/0xc40 [ 300.858076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.863618] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 300.868547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.874083] ? should_fail+0x22d/0xd01 [ 300.877977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.883085] ? __lock_is_held+0xb5/0x140 [ 300.887174] ? __lock_is_held+0xb5/0x140 [ 300.891244] ? find_held_lock+0x36/0x1c0 [ 300.895372] ? ___might_sleep+0x1ed/0x300 [ 300.899522] ? lock_release+0x970/0x970 [ 300.903498] ? arch_local_save_flags+0x40/0x40 [ 300.908093] ? __might_sleep+0x95/0x190 [ 300.912079] __alloc_pages_nodemask+0xa80/0xde0 [ 300.916759] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.921782] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.927583] ? kasan_check_read+0x11/0x20 [ 300.931734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.937019] ? graph_lock+0x170/0x170 [ 300.940825] ? print_usage_bug+0xc0/0xc0 [ 300.944891] ? graph_lock+0x170/0x170 [ 300.948693] ? graph_lock+0x170/0x170 [ 300.952495] ? __do_page_cache_readahead+0x7ce/0x980 [ 300.957609] ? find_held_lock+0x36/0x1c0 [ 300.961679] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.967222] alloc_pages_current+0x10c/0x210 [ 300.971635] ? lock_downgrade+0x900/0x900 [ 300.975807] __page_cache_alloc+0x38f/0x5b0 [ 300.980134] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.985941] ? kasan_check_read+0x11/0x20 [ 300.990093] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.995379] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 301.000069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.005608] ? check_preemption_disabled+0x48/0x200 [ 301.010637] filemap_fault+0x1594/0x25f0 [ 301.014715] ? __lock_page_or_retry+0xa00/0xa00 [ 301.019389] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 301.025199] ? kasan_check_read+0x11/0x20 [ 301.029347] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.034630] ? rcu_bh_qs+0xc0/0xc0 [ 301.038189] ? filemap_map_pages+0xdea/0x1980 [ 301.042704] ? find_get_pages_range_tag+0x1320/0x1320 [ 301.047899] ? do_raw_spin_lock+0xc1/0x200 [ 301.052139] ? graph_lock+0x170/0x170 [ 301.055949] ? futex_wait_setup+0x266/0x3e0 [ 301.060291] ? lock_acquire+0x1ed/0x520 [ 301.064267] ? ext4_filemap_fault+0x7a/0xad [ 301.068600] ? lock_release+0x970/0x970 [ 301.072581] ? arch_local_save_flags+0x40/0x40 [ 301.077168] ? futex_wait_setup+0x3e0/0x3e0 [ 301.081494] ? print_usage_bug+0xc0/0xc0 [ 301.085569] ? down_read+0xb0/0x1d0 [ 301.089194] ? ext4_filemap_fault+0x7a/0xad [ 301.093514] ? __down_interruptible+0x700/0x700 [ 301.098199] ? find_held_lock+0x36/0x1c0 [ 301.102266] ext4_filemap_fault+0x82/0xad [ 301.106430] __do_fault+0x100/0x6b0 [ 301.110061] ? lock_downgrade+0x900/0x900 [ 301.114215] ? print_bad_pte+0x6c0/0x6c0 [ 301.118277] ? do_futex+0x249/0x26d0 [ 301.122007] ? kasan_check_read+0x11/0x20 [ 301.126156] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.130565] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 301.135166] ? add_mm_counter_fast+0xd0/0xd0 [ 301.139590] __handle_mm_fault+0x3709/0x53e0 [ 301.144011] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 301.148857] ? __fpu__restore_sig+0x62f/0x1680 [ 301.153447] ? graph_lock+0x170/0x170 [ 301.157258] ? print_usage_bug+0xc0/0xc0 [ 301.161319] ? graph_lock+0x170/0x170 [ 301.165120] ? graph_lock+0x170/0x170 [ 301.168929] ? graph_lock+0x170/0x170 [ 301.172756] ? handle_mm_fault+0x42a/0xc70 [ 301.176997] ? lock_downgrade+0x900/0x900 [ 301.181149] ? check_preemption_disabled+0x48/0x200 [ 301.186174] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 301.191972] ? kasan_check_read+0x11/0x20 [ 301.196123] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.201414] ? rcu_bh_qs+0xc0/0xc0 [ 301.204956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.210419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.215961] ? check_preemption_disabled+0x48/0x200 [ 301.220987] handle_mm_fault+0x54f/0xc70 [ 301.225077] ? __handle_mm_fault+0x53e0/0x53e0 [ 301.229682] ? find_vma+0x34/0x190 [ 301.233233] __do_page_fault+0x67d/0xed0 [ 301.237828] ? mm_fault_error+0x380/0x380 [ 301.241976] ? trace_hardirqs_off+0xb8/0x300 [ 301.246388] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.251763] ? trace_hardirqs_on+0x310/0x310 [ 301.256179] do_page_fault+0xf2/0x7e0 [ 301.259984] ? vmalloc_sync_all+0x30/0x30 [ 301.264133] ? error_entry+0x70/0xd0 [ 301.267849] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.272867] ? trace_hardirqs_on_caller+0xc0/0x300 [ 301.277796] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.282724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.287573] ? trace_hardirqs_off+0x300/0x300 [ 301.292070] ? trace_hardirqs_off_caller+0x300/0x300 [ 301.297176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.302720] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.307744] ? page_fault+0x8/0x30 [ 301.311288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.316134] ? page_fault+0x8/0x30 [ 301.319681] page_fault+0x1e/0x30 [ 301.323138] RIP: 0033:0x407e06 [ 301.326334] Code: Bad RIP value. [ 301.329696] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 301.335058] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 301.342325] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 301.349678] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 301.356950] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 301.364215] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 301.371512] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 301.371517] warn_alloc_show_mem: 1 callbacks suppressed [ 301.371524] Mem-Info: [ 301.378707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.378716] Call Trace: [ 301.384087] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 301.384087] active_file:16 inactive_file:17 isolated_file:1 [ 301.384087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.384087] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 301.384087] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 301.384087] free:13718 free_pcp:223 free_cma:0 [ 301.386461] [ 301.395824] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.398403] dump_stack+0x1c4/0x2b4 [ 301.431268] Node 0 [ 301.433444] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.461107] 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 [ 301.464719] warn_alloc.cold.118+0xb7/0x1bd [ 301.466909] lowmem_reserve[]: 0 [ 301.472107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.497578] 2817 6321 [ 301.501910] ? lock_downgrade+0x900/0x900 [ 301.505159] 6321 [ 301.510006] ? trace_hardirqs_off+0xb8/0x300 [ 301.512485] Node 0 [ 301.516627] ? trace_hardirqs_off+0xb8/0x300 [ 301.518699] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 301.523079] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.525282] lowmem_reserve[]: 0 [ 301.529718] ? warn_alloc+0x120/0x120 [ 301.556384] 0 3503 [ 301.561257] ? trace_hardirqs_on+0x310/0x310 [ 301.564503] 3503 [ 301.568306] ? warn_alloc+0x120/0x120 [ 301.570515] Node 0 [ 301.574919] ? print_usage_bug+0xc0/0xc0 [ 301.576982] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 301.580753] ? warn_alloc+0x120/0x120 [ 301.582956] lowmem_reserve[]: 0 [ 301.587019] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.615359] 0 [ 301.619158] ? print_usage_bug+0xc0/0xc0 [ 301.622401] 0 0 [ 301.627441] ? __lock_acquire+0x7ec/0x4ec0 [ 301.629218] Node 0 [ 301.633273] ? __lock_acquire+0x7ec/0x4ec0 [ 301.635217] DMA: 1*4kB [ 301.639456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.641665] (U) [ 301.645892] ? should_fail+0x22d/0xd01 [ 301.648446] 0*8kB 0*16kB [ 301.653985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.655931] 1*32kB (U) [ 301.659823] ? __lock_acquire+0x7ec/0x4ec0 [ 301.662550] 2*64kB (U) [ 301.667655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.670213] 1*128kB [ 301.674452] ? __lock_acquire+0x7ec/0x4ec0 [ 301.677009] (U) [ 301.682104] ? should_fail+0x22d/0xd01 [ 301.684406] 1*256kB [ 301.688648] ? print_usage_bug+0xc0/0xc0 [ 301.690598] (U) [ 301.694485] ? mark_held_locks+0x130/0x130 [ 301.696777] 0*512kB 1*1024kB [ 301.700841] ? mark_held_locks+0x130/0x130 [ 301.702794] (U) [ 301.707026] ? graph_lock+0x170/0x170 [ 301.710100] 1*2048kB [ 301.714324] ? print_usage_bug+0xc0/0xc0 [ 301.716278] (M) [ 301.720094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.722481] 3*4096kB [ 301.726542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.728488] (M) [ 301.733245] ? check_preemption_disabled+0x48/0x200 [ 301.735626] = 15908kB [ 301.741162] ? check_preemption_disabled+0x48/0x200 [ 301.741189] ? __lock_is_held+0xb5/0x140 [ 301.743136] Node 0 [ 301.748147] __alloc_pages_nodemask+0xa80/0xde0 [ 301.750524] DMA32: 2*4kB [ 301.755547] ? graph_lock+0x170/0x170 [ 301.759580] (M) [ 301.761816] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.766457] 0*8kB 3*16kB [ 301.769218] ? graph_lock+0x170/0x170 [ 301.772993] (M) [ 301.774972] ? find_held_lock+0x36/0x1c0 [ 301.779952] 1*32kB (M) [ 301.782715] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.786482] 2*64kB (M) [ 301.788468] ? lock_downgrade+0x900/0x900 [ 301.792501] 4*128kB [ 301.795083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.799714] (UM) 3*256kB [ 301.802310] cache_grow_begin+0x91/0x8c0 [ 301.806437] (UM) [ 301.808756] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.814268] 4*512kB [ 301.817025] fallback_alloc+0x203/0x2e0 [ 301.821046] (UM) 3*1024kB [ 301.823116] ____cache_alloc_node+0x1c7/0x1e0 [ 301.827497] (M) [ 301.829819] kmem_cache_alloc_node+0xe3/0x730 [ 301.833758] 3*2048kB (UM) [ 301.836605] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.841068] 3*4096kB (M) [ 301.843055] __alloc_skb+0x119/0x770 [ 301.847517] = 25048kB [ 301.850357] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.854560] Node 0 [ 301.857311] ? skb_scrub_packet+0x490/0x490 [ 301.860993] Normal: [ 301.863402] ? lock_downgrade+0x900/0x900 [ 301.868657] 865*4kB [ 301.870891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.875180] (UMEH) [ 301.877498] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.881612] 401*8kB (UMEH) [ 301.883942] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.889445] 165*16kB (UMEH) [ 301.891687] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.897107] 83*32kB [ 301.900042] ndisc_alloc_skb+0x144/0x340 [ 301.905459] (UMEH) 31*64kB [ 301.908483] ndisc_send_rs+0x331/0x6e0 [ 301.912864] (UMH) [ 301.915189] addrconf_rs_timer+0x3c0/0x6f0 [ 301.919215] 0*128kB 0*256kB [ 301.922149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.926003] 0*512kB 0*1024kB [ 301.928164] call_timer_fn+0x272/0x920 [ 301.932364] 0*2048kB [ 301.935379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.939589] 0*4096kB [ 301.942695] ? process_timeout+0x40/0x40 [ 301.946555] = 13948kB [ 301.948956] ? find_held_lock+0x36/0x1c0 [ 301.953172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.955578] ? __run_timers+0x7da/0xc70 [ 301.959612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.962009] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.966041] 413 total pagecache pages [ 301.974866] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.978819] 0 pages in swap cache [ 301.987384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.991849] Swap cache stats: add 0, delete 0, find 0/0 [ 301.991858] Free swap = 0kB [ 301.995650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.000112] Total swap = 0kB [ 302.000120] 1965979 pages RAM [ 302.003570] ? trace_hardirqs_on+0xbd/0x310 [ 302.007771] 0 pages HighMem/MovableOnly [ 302.007780] 342744 pages reserved [ 302.013140] ? kasan_check_read+0x11/0x20 [ 302.016126] 0 pages cma reserved [ 302.016202] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.020715] ? __run_timers+0x7da/0xc70 [ 302.024288] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.026816] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.031131] syz-fuzzer cpuset= [ 302.035098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.038524] / [ 302.042670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.046010] mems_allowed=0 [ 302.052500] __run_timers+0x7e5/0xc70 [ 302.092176] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.097545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.102568] ? graph_lock+0x170/0x170 [ 302.106372] ? enqueue_hrtimer+0x1a5/0x560 [ 302.110604] ? lock_release+0x970/0x970 [ 302.114579] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.119775] ? find_held_lock+0x36/0x1c0 [ 302.123841] ? graph_lock+0x170/0x170 [ 302.127642] ? pvclock_read_flags+0x160/0x160 [ 302.132142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.137685] ? check_preemption_disabled+0x48/0x200 [ 302.142714] ? __lock_is_held+0xb5/0x140 [ 302.146779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.152325] ? check_preemption_disabled+0x48/0x200 [ 302.157351] run_timer_softirq+0x52/0xb0 [ 302.161430] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.166462] __do_softirq+0x30b/0xad8 [ 302.170277] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.175390] ? pvclock_read_flags+0x160/0x160 [ 302.179903] ? lapic_next_event+0x5a/0x90 [ 302.184059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.189607] ? check_preemption_disabled+0x48/0x200 [ 302.194622] ? check_preemption_disabled+0x48/0x200 [ 302.199647] ? kvm_clock_read+0x18/0x30 [ 302.203626] ? kvm_sched_clock_read+0x9/0x20 [ 302.208038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.213583] ? check_preemption_disabled+0x48/0x200 [ 302.218652] irq_exit+0x17f/0x1c0 [ 302.222109] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.227044] ? smp_reschedule_interrupt+0x109/0x650 [ 302.232067] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.237956] ? interrupt_entry+0xb5/0xf0 [ 302.242020] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.247040] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.252059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.256908] ? trace_hardirqs_off+0x300/0x300 [ 302.261406] ? trace_hardirqs_off+0x300/0x300 [ 302.265917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.271460] ? check_preemption_disabled+0x48/0x200 [ 302.276475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.282021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.286876] apic_timer_interrupt+0xf/0x20 [ 302.291106] [ 302.293350] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 302.298282] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 302.317645] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 302.325363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 302.332629] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 302.339898] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 302.347167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 302.354451] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 302.361774] skb_clone+0x1bb/0x500 [ 302.365316] ? finish_task_switch+0x1b5/0x900 [ 302.369812] ? skb_split+0x11e0/0x11e0 [ 302.373702] ? preempt_notifier_register+0x200/0x200 [ 302.378806] ? __switch_to_asm+0x34/0x70 [ 302.382871] ? __switch_to_asm+0x34/0x70 [ 302.386934] ? __switch_to_asm+0x40/0x70 [ 302.391001] ? __switch_to_asm+0x34/0x70 [ 302.395064] ? __switch_to_asm+0x40/0x70 [ 302.399127] ? __switch_to_asm+0x34/0x70 [ 302.403192] ? __switch_to_asm+0x40/0x70 [ 302.407257] ? __switch_to_asm+0x34/0x70 [ 302.411323] ? __switch_to_asm+0x34/0x70 [ 302.415386] ? __switch_to_asm+0x40/0x70 [ 302.419459] ? __switch_to_asm+0x34/0x70 [ 302.423539] bpf_clone_redirect+0xb9/0x490 [ 302.427778] ? __schedule+0x874/0x1ed0 [ 302.431677] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 302.436703] ? __sched_text_start+0x8/0x8 [ 302.440855] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.445822] ? find_held_lock+0x36/0x1c0 [ 302.449893] ? lock_acquire+0x1ed/0x520 [ 302.453872] ? bpf_test_run+0x32e/0x5a0 [ 302.457848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.463394] ? check_preemption_disabled+0x48/0x200 [ 302.468448] ? kasan_check_read+0x11/0x20 [ 302.472623] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.477906] ? rcu_bh_qs+0xc0/0xc0 [ 302.481459] ? preempt_schedule+0x4d/0x60 [ 302.485613] ? ___preempt_schedule+0x16/0x18 [ 302.490037] ? bpf_test_run+0x1c0/0x5a0 [ 302.494026] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.498452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.503993] ? bpf_test_init.isra.9+0x70/0x100 [ 302.508582] ? bpf_prog_test_run_skb+0x634/0xb40 [ 302.513345] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.518186] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.523723] ? fput+0x130/0x1a0 [ 302.527009] ? __bpf_prog_get+0x9b/0x290 [ 302.531073] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.535915] ? bpf_prog_test_run+0x130/0x1a0 [ 302.540328] ? __x64_sys_bpf+0x3d8/0x510 [ 302.544392] ? bpf_prog_get+0x20/0x20 [ 302.548217] ? ksys_ioctl+0x81/0xd0 [ 302.551861] ? do_syscall_64+0x1b9/0x820 [ 302.555925] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.561318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.566253] ? trace_hardirqs_off+0x300/0x300 [ 302.570752] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.575772] ? recalc_sigpending_tsk+0x180/0x180 [ 302.580532] ? kasan_check_write+0x14/0x20 [ 302.584777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.589635] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.595026] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 302.595098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.601954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.601963] Call Trace: [ 302.608539] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.617787] [ 302.620357] syz-executor0 cpuset= [ 302.630835] dump_stack+0x1c4/0x2b4 [ 302.632962] syz0 [ 302.636406] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.640027] mems_allowed=0 [ 302.642006] warn_alloc.cold.118+0xb7/0x1bd [ 302.654392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.659251] ? lock_downgrade+0x900/0x900 [ 302.663407] ? trace_hardirqs_off+0xb8/0x300 [ 302.667835] ? trace_hardirqs_off+0xb8/0x300 [ 302.672258] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.677137] ? warn_alloc+0x120/0x120 [ 302.680951] ? warn_alloc+0x120/0x120 [ 302.684759] ? print_usage_bug+0xc0/0xc0 [ 302.688823] ? warn_alloc+0x120/0x120 [ 302.692626] ? mark_held_locks+0x130/0x130 [ 302.696863] ? print_usage_bug+0xc0/0xc0 [ 302.700935] ? trace_hardirqs_off+0xb8/0x300 [ 302.705347] ? __lock_is_held+0xb5/0x140 [ 302.709422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.714967] ? should_fail+0x22d/0xd01 [ 302.718856] ? __lock_acquire+0x7ec/0x4ec0 [ 302.723094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.728197] ? __lock_acquire+0x7ec/0x4ec0 [ 302.732446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.737549] ? __lock_acquire+0x7ec/0x4ec0 [ 302.741786] ? should_fail+0x22d/0xd01 [ 302.745685] ? mark_held_locks+0x130/0x130 [ 302.749931] ? mark_held_locks+0x130/0x130 [ 302.754179] ? graph_lock+0x170/0x170 [ 302.757979] ? print_usage_bug+0xc0/0xc0 [ 302.762043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.767585] ? check_preemption_disabled+0x48/0x200 [ 302.772601] ? check_preemption_disabled+0x48/0x200 [ 302.777629] ? __lock_is_held+0xb5/0x140 [ 302.781704] __alloc_pages_nodemask+0xa80/0xde0 [ 302.786374] ? graph_lock+0x170/0x170 [ 302.790185] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.795201] ? graph_lock+0x170/0x170 [ 302.799021] ? find_held_lock+0x36/0x1c0 [ 302.803110] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.807786] ? lock_downgrade+0x900/0x900 [ 302.811951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.817499] cache_grow_begin+0x91/0x8c0 [ 302.821568] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.825992] fallback_alloc+0x203/0x2e0 [ 302.829981] ____cache_alloc_node+0x1c7/0x1e0 [ 302.834485] kmem_cache_alloc_node+0xe3/0x730 [ 302.839011] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.843276] __alloc_skb+0x119/0x770 [ 302.846992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.852275] ? skb_scrub_packet+0x490/0x490 [ 302.856604] ? lock_downgrade+0x900/0x900 [ 302.860762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.866303] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.871776] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.877241] ? addrconf_rs_timer+0x6f0/0x6f0 [ 302.881669] ndisc_alloc_skb+0x144/0x340 [ 302.885739] ndisc_send_rs+0x331/0x6e0 [ 302.889639] addrconf_rs_timer+0x3c0/0x6f0 [ 302.893884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.898136] call_timer_fn+0x272/0x920 [ 302.902026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.906263] ? process_timeout+0x40/0x40 [ 302.910322] ? find_held_lock+0x36/0x1c0 [ 302.914392] ? mark_held_locks+0xc7/0x130 [ 302.918552] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.923046] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.927543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.931783] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.936368] ? trace_hardirqs_on+0xbd/0x310 [ 302.940696] ? kasan_check_read+0x11/0x20 [ 302.944862] ? __run_timers+0x7da/0xc70 [ 302.948841] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.954309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.958545] __run_timers+0x7e5/0xc70 [ 302.962364] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.967733] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.972749] ? graph_lock+0x170/0x170 [ 302.976555] ? print_usage_bug+0xc0/0xc0 [ 302.980618] ? lock_release+0x970/0x970 [ 302.984597] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.989802] ? find_held_lock+0x36/0x1c0 [ 302.993872] ? graph_lock+0x170/0x170 [ 302.997681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.003227] ? check_preemption_disabled+0x48/0x200 [ 303.008258] ? __lock_is_held+0xb5/0x140 [ 303.012322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.017865] ? check_preemption_disabled+0x48/0x200 [ 303.022892] run_timer_softirq+0x52/0xb0 [ 303.026959] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.031981] __do_softirq+0x30b/0xad8 [ 303.035796] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.040906] ? pvclock_read_flags+0x160/0x160 [ 303.045406] ? lapic_next_event+0x5a/0x90 [ 303.049566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.055108] ? check_preemption_disabled+0x48/0x200 [ 303.060125] ? check_preemption_disabled+0x48/0x200 [ 303.065152] ? kvm_clock_read+0x18/0x30 [ 303.069129] ? kvm_sched_clock_read+0x9/0x20 [ 303.073544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.079088] ? check_preemption_disabled+0x48/0x200 [ 303.084119] irq_exit+0x17f/0x1c0 [ 303.087576] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.092431] ? smp_reschedule_interrupt+0x109/0x650 [ 303.097454] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.103342] ? interrupt_entry+0xb5/0xf0 [ 303.107408] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.112442] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.117461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.122307] ? trace_hardirqs_off+0x300/0x300 [ 303.126804] ? trace_hardirqs_off+0x300/0x300 [ 303.131303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.136844] ? check_preemption_disabled+0x48/0x200 [ 303.141861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.147420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.152278] apic_timer_interrupt+0xf/0x20 [ 303.156509] [ 303.158750] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 303.164029] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 303.182937] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 303.190648] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 303.197916] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 303.205191] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 303.212457] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 303.219725] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 303.227016] ? arch_local_irq_restore+0x45/0x52 [ 303.231701] dump_stack+0x26a/0x2b4 [ 303.235338] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.240535] ? mark_held_locks+0x130/0x130 [ 303.244777] ? mark_held_locks+0x130/0x130 [ 303.249025] dump_header+0x27b/0xf72 [ 303.252759] ? pagefault_out_of_memory+0x197/0x197 [ 303.257698] ? mark_held_locks+0x130/0x130 [ 303.261948] ? __lock_acquire+0x7ec/0x4ec0 [ 303.266191] ? mem_cgroup_charge_statistics+0x780/0x780 [ 303.271569] ? print_usage_bug+0xc0/0xc0 [ 303.275634] ? print_usage_bug+0xc0/0xc0 [ 303.279706] ? graph_lock+0x170/0x170 [ 303.283510] ? graph_lock+0x170/0x170 [ 303.287321] ? print_usage_bug+0xc0/0xc0 [ 303.291386] ? print_usage_bug+0xc0/0xc0 [ 303.295474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.301021] ? find_held_lock+0x36/0x1c0 [ 303.305096] ? mark_held_locks+0xc7/0x130 [ 303.309252] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.314355] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.319463] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.324047] ? trace_hardirqs_on+0xbd/0x310 [ 303.328372] ? kasan_check_read+0x11/0x20 [ 303.332521] ? ___ratelimit+0x36f/0x655 [ 303.336528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.341992] ? trace_hardirqs_on+0x310/0x310 [ 303.346403] ? lock_downgrade+0x900/0x900 [ 303.350574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.356120] ? ___ratelimit+0xaa/0x655 [ 303.360018] ? idr_get_free+0xec0/0xec0 [ 303.363999] ? kasan_check_write+0x14/0x20 [ 303.368242] ? do_raw_spin_lock+0xc1/0x200 [ 303.372489] oom_kill_process.cold.27+0x10/0x903 [ 303.377281] ? graph_lock+0x170/0x170 [ 303.381082] ? _raw_spin_unlock+0x2c/0x50 [ 303.385325] ? oom_badness+0xe6/0xaa0 [ 303.389154] ? oom_evaluate_task+0x540/0x540 [ 303.393571] ? find_held_lock+0x36/0x1c0 [ 303.397648] ? out_of_memory+0x974/0x14c0 [ 303.401803] ? lock_downgrade+0x900/0x900 [ 303.405979] ? check_preemption_disabled+0x48/0x200 [ 303.411012] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.416817] ? kasan_check_read+0x11/0x20 [ 303.420973] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.426259] ? rcu_bh_qs+0xc0/0xc0 [ 303.429810] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.434831] ? oom_evaluate_task+0x302/0x540 [ 303.439252] out_of_memory+0xa86/0x14c0 [ 303.443246] ? oom_killer_disable+0x3a0/0x3a0 [ 303.447760] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 303.452702] ? __mutex_add_waiter+0x2a0/0x2a0 [ 303.457214] __alloc_pages_slowpath+0x2318/0x2d80 [ 303.462095] ? warn_alloc+0x120/0x120 [ 303.465917] ? find_get_entry+0x2f2/0xc40 [ 303.470083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.475629] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 303.480569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.486117] ? should_fail+0x22d/0xd01 [ 303.490017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.495152] ? __lock_is_held+0xb5/0x140 [ 303.499248] ? __lock_is_held+0xb5/0x140 [ 303.503321] ? find_held_lock+0x36/0x1c0 [ 303.507392] ? ___might_sleep+0x1ed/0x300 [ 303.511554] ? lock_release+0x970/0x970 [ 303.515630] ? arch_local_save_flags+0x40/0x40 [ 303.520237] ? __might_sleep+0x95/0x190 [ 303.524223] __alloc_pages_nodemask+0xa80/0xde0 [ 303.528905] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.533952] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.539772] ? kasan_check_read+0x11/0x20 [ 303.543962] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.549269] ? graph_lock+0x170/0x170 [ 303.553100] ? print_usage_bug+0xc0/0xc0 [ 303.557185] ? graph_lock+0x170/0x170 [ 303.560998] ? graph_lock+0x170/0x170 [ 303.564814] ? __do_page_cache_readahead+0x7ce/0x980 [ 303.569938] ? find_held_lock+0x36/0x1c0 [ 303.574010] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.579563] alloc_pages_current+0x10c/0x210 [ 303.583982] ? lock_downgrade+0x900/0x900 [ 303.588138] __page_cache_alloc+0x38f/0x5b0 [ 303.592469] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.598299] ? kasan_check_read+0x11/0x20 [ 303.602474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.607777] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 303.612474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.618036] ? check_preemption_disabled+0x48/0x200 [ 303.623081] filemap_fault+0x1594/0x25f0 [ 303.627175] ? __lock_page_or_retry+0xa00/0xa00 [ 303.631868] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.637676] ? kasan_check_read+0x11/0x20 [ 303.641844] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.647146] ? rcu_bh_qs+0xc0/0xc0 [ 303.650708] ? filemap_map_pages+0xdea/0x1980 [ 303.655232] ? find_get_pages_range_tag+0x1320/0x1320 [ 303.660441] ? do_raw_spin_lock+0xc1/0x200 [ 303.664685] ? graph_lock+0x170/0x170 [ 303.668498] ? futex_wait_setup+0x266/0x3e0 [ 303.672854] ? lock_acquire+0x1ed/0x520 [ 303.676839] ? ext4_filemap_fault+0x7a/0xad [ 303.681181] ? lock_release+0x970/0x970 [ 303.685169] ? arch_local_save_flags+0x40/0x40 [ 303.689778] ? futex_wait_setup+0x3e0/0x3e0 [ 303.694111] ? print_usage_bug+0xc0/0xc0 [ 303.698199] ? down_read+0xb0/0x1d0 [ 303.701835] ? ext4_filemap_fault+0x7a/0xad [ 303.706166] ? __down_interruptible+0x700/0x700 [ 303.710850] ? find_held_lock+0x36/0x1c0 [ 303.715107] ext4_filemap_fault+0x82/0xad [ 303.719266] __do_fault+0x100/0x6b0 [ 303.722989] ? lock_downgrade+0x900/0x900 [ 303.727144] ? print_bad_pte+0x6c0/0x6c0 [ 303.731218] ? do_futex+0x249/0x26d0 [ 303.734970] ? kasan_check_read+0x11/0x20 [ 303.739131] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.743547] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 303.748134] ? add_mm_counter_fast+0xd0/0xd0 [ 303.752566] __handle_mm_fault+0x3709/0x53e0 [ 303.756995] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 303.762030] ? __fpu__restore_sig+0x62f/0x1680 [ 303.766637] ? graph_lock+0x170/0x170 [ 303.770464] ? print_usage_bug+0xc0/0xc0 [ 303.774540] ? graph_lock+0x170/0x170 [ 303.778352] ? graph_lock+0x170/0x170 [ 303.782161] ? graph_lock+0x170/0x170 [ 303.785996] ? handle_mm_fault+0x42a/0xc70 [ 303.790244] ? lock_downgrade+0x900/0x900 [ 303.794402] ? check_preemption_disabled+0x48/0x200 [ 303.799464] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.805277] ? kasan_check_read+0x11/0x20 [ 303.809447] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.814759] ? rcu_bh_qs+0xc0/0xc0 [ 303.818307] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.823774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.829337] ? check_preemption_disabled+0x48/0x200 [ 303.834389] handle_mm_fault+0x54f/0xc70 [ 303.838477] ? __handle_mm_fault+0x53e0/0x53e0 [ 303.843074] ? find_vma+0x34/0x190 [ 303.846643] __do_page_fault+0x67d/0xed0 [ 303.850720] ? mm_fault_error+0x380/0x380 [ 303.854876] ? trace_hardirqs_off+0xb8/0x300 [ 303.859295] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.864677] ? trace_hardirqs_on+0x310/0x310 [ 303.869100] do_page_fault+0xf2/0x7e0 [ 303.872910] ? vmalloc_sync_all+0x30/0x30 [ 303.877066] ? error_entry+0x70/0xd0 [ 303.880788] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.885812] ? trace_hardirqs_on_caller+0xc0/0x300 [ 303.890766] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.895706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.900609] ? trace_hardirqs_off+0x300/0x300 [ 303.905119] ? trace_hardirqs_off_caller+0x300/0x300 [ 303.910242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.915814] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.920849] ? page_fault+0x8/0x30 [ 303.924432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.929301] ? page_fault+0x8/0x30 [ 303.932856] page_fault+0x1e/0x30 [ 303.936323] RIP: 0033:0x407e06 [ 303.939528] Code: Bad RIP value. [ 303.942891] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 303.948273] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 303.955559] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 303.962860] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 303.970168] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 303.977451] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 303.984761] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 303.984767] warn_alloc_show_mem: 1 callbacks suppressed [ 303.984775] Mem-Info: [ 303.991977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.991988] Call Trace: [ 303.997365] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 303.997365] active_file:16 inactive_file:17 isolated_file:1 [ 303.997365] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.997365] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 303.997365] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 303.997365] free:13718 free_pcp:223 free_cma:0 [ 303.999763] [ 304.009138] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.011727] dump_stack+0x1c4/0x2b4 [ 304.044858] Node 0 [ 304.047027] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.074715] 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 [ 304.078355] warn_alloc.cold.118+0xb7/0x1bd [ 304.080549] lowmem_reserve[]: [ 304.085745] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.111239] 0 2817 [ 304.115595] ? lock_downgrade+0x900/0x900 [ 304.118687] 6321 [ 304.123540] ? trace_hardirqs_off+0xb8/0x300 [ 304.125745] 6321 [ 304.129916] ? trace_hardirqs_off+0xb8/0x300 [ 304.131959] Node 0 [ 304.136375] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.138439] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 304.142849] ? warn_alloc+0x120/0x120 [ 304.145043] lowmem_reserve[]: 0 [ 304.149897] ? trace_hardirqs_on+0x310/0x310 [ 304.176592] 0 3503 [ 304.180436] ? warn_alloc+0x120/0x120 [ 304.183700] 3503 [ 304.188120] ? print_usage_bug+0xc0/0xc0 [ 304.194612] ? warn_alloc+0x120/0x120 [ 304.196645] Node 0 [ 304.200728] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.200746] ? print_usage_bug+0xc0/0xc0 [ 304.204559] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 304.206774] ? __lock_acquire+0x7ec/0x4ec0 [ 304.211759] lowmem_reserve[]: 0 [ 304.215851] ? __lock_acquire+0x7ec/0x4ec0 [ 304.244282] 0 0 [ 304.248561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.251811] 0 [ 304.256055] ? should_fail+0x22d/0xd01 [ 304.263537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.265308] Node 0 [ 304.269190] ? __lock_acquire+0x7ec/0x4ec0 [ 304.274265] DMA: [ 304.276510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.280708] 1*4kB [ 304.282770] ? __lock_acquire+0x7ec/0x4ec0 [ 304.287848] (U) [ 304.289996] ? should_fail+0x22d/0xd01 [ 304.294203] 0*8kB [ 304.296194] ? print_usage_bug+0xc0/0xc0 [ 304.300051] 0*16kB [ 304.302202] ? mark_held_locks+0x130/0x130 [ 304.306228] 1*32kB [ 304.308459] ? mark_held_locks+0x130/0x130 [ 304.312664] (U) [ 304.315400] ? graph_lock+0x170/0x170 [ 304.319611] 2*64kB (U) [ 304.321592] ? print_usage_bug+0xc0/0xc0 [ 304.325369] 1*128kB [ 304.327951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.331999] (U) [ 304.334325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.339056] 1*256kB (U) [ 304.341037] ? check_preemption_disabled+0x48/0x200 [ 304.346542] 0*512kB [ 304.349208] ? check_preemption_disabled+0x48/0x200 [ 304.354190] 1*1024kB (U) [ 304.356526] ? __lock_is_held+0xb5/0x140 [ 304.361507] 1*2048kB (M) [ 304.364271] __alloc_pages_nodemask+0xa80/0xde0 [ 304.368297] 3*4096kB (M) [ 304.371062] ? graph_lock+0x170/0x170 [ 304.375703] = 15908kB [ 304.378461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.382238] Node 0 [ 304.384639] ? graph_lock+0x170/0x170 [ 304.384664] ? find_held_lock+0x36/0x1c0 [ 304.389647] DMA32: [ 304.391885] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.395653] 2*4kB [ 304.399705] ? lock_downgrade+0x900/0x900 [ 304.401915] (M) [ 304.406594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.408709] 0*8kB [ 304.412857] cache_grow_begin+0x91/0x8c0 [ 304.414801] 3*16kB [ 304.420339] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.422473] (M) [ 304.426543] fallback_alloc+0x203/0x2e0 [ 304.428746] 1*32kB (M) [ 304.433163] ____cache_alloc_node+0x1c7/0x1e0 [ 304.435110] 2*64kB [ 304.439087] kmem_cache_alloc_node+0xe3/0x730 [ 304.441640] (M) [ 304.446375] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.448590] 4*128kB [ 304.453176] __alloc_skb+0x119/0x770 [ 304.455118] (UM) [ 304.459354] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.461643] 3*256kB (UM) [ 304.465362] ? skb_scrub_packet+0x490/0x490 [ 304.467397] 4*512kB (UM) [ 304.472698] ? lock_downgrade+0x900/0x900 [ 304.475444] 3*1024kB [ 304.479762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.482508] (M) [ 304.486656] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.489044] 3*2048kB [ 304.494583] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.496537] (UM) [ 304.501990] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.504367] 3*4096kB (M) [ 304.509835] ndisc_alloc_skb+0x144/0x340 [ 304.511861] = 25048kB [ 304.516271] ndisc_send_rs+0x331/0x6e0 [ 304.518997] Node 0 [ 304.523067] addrconf_rs_timer+0x3c0/0x6f0 [ 304.525465] Normal: [ 304.529362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.531580] 865*4kB [ 304.535862] call_timer_fn+0x272/0x920 [ 304.538125] (UMEH) 401*8kB [ 304.542372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.544661] (UMEH) 165*16kB [ 304.548565] ? process_timeout+0x40/0x40 [ 304.551477] (UMEH) 83*32kB [ 304.555740] ? find_held_lock+0x36/0x1c0 [ 304.558733] (UMEH) [ 304.562800] ? __run_timers+0x7da/0xc70 [ 304.565692] 31*64kB (UMH) [ 304.569765] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.571973] 0*128kB [ 304.575945] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.578764] 0*256kB [ 304.583535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.583553] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.585855] 0*512kB 0*1024kB [ 304.590386] ? trace_hardirqs_on+0xbd/0x310 [ 304.592679] 0*2048kB 0*4096kB [ 304.596941] ? kasan_check_read+0x11/0x20 [ 304.601501] = 13948kB [ 304.601516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 304.604626] ? __run_timers+0x7da/0xc70 [ 304.608933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 304.612131] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.616255] 413 total pagecache pages [ 304.618672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.627508] 0 pages in swap cache [ 304.631505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.640063] Swap cache stats: add 0, delete 0, find 0/0 [ 304.640075] Free swap = 0kB [ 304.645550] __run_timers+0x7e5/0xc70 [ 304.649341] Total swap = 0kB [ 304.653591] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.657007] 1965979 pages RAM [ 304.661247] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.666603] 0 pages HighMem/MovableOnly [ 304.666614] 342744 pages reserved [ 304.669642] ? graph_lock+0x170/0x170 [ 304.673422] 0 pages cma reserved [ 304.673511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.676473] ? enqueue_hrtimer+0x1a5/0x560 [ 304.676487] ? lock_release+0x970/0x970 [ 304.676504] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.681918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.685001] ? find_held_lock+0x36/0x1c0 [ 304.690000] syz-fuzzer cpuset= [ 304.693980] ? graph_lock+0x170/0x170 [ 304.697409] / [ 304.701233] ? pvclock_read_flags+0x160/0x160 [ 304.704607] mems_allowed=0 [ 304.711114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.760437] ? check_preemption_disabled+0x48/0x200 [ 304.765481] ? __lock_is_held+0xb5/0x140 [ 304.769548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.775097] ? check_preemption_disabled+0x48/0x200 [ 304.780169] run_timer_softirq+0x52/0xb0 [ 304.784243] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.789274] __do_softirq+0x30b/0xad8 [ 304.793095] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.798212] ? pvclock_read_flags+0x160/0x160 [ 304.802717] ? lapic_next_event+0x5a/0x90 [ 304.806867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.812419] ? check_preemption_disabled+0x48/0x200 [ 304.817454] ? check_preemption_disabled+0x48/0x200 [ 304.822500] ? kvm_clock_read+0x18/0x30 [ 304.826486] ? kvm_sched_clock_read+0x9/0x20 [ 304.830904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.836468] ? check_preemption_disabled+0x48/0x200 [ 304.841530] irq_exit+0x17f/0x1c0 [ 304.844996] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.849849] ? smp_reschedule_interrupt+0x109/0x650 [ 304.854889] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.860815] ? interrupt_entry+0xb5/0xf0 [ 304.864900] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.869930] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.874969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.879823] ? trace_hardirqs_off+0x300/0x300 [ 304.884322] ? trace_hardirqs_off+0x300/0x300 [ 304.888831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.894468] ? check_preemption_disabled+0x48/0x200 [ 304.899495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.905063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.909933] apic_timer_interrupt+0xf/0x20 [ 304.914173] [ 304.916437] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 304.921379] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 304.940307] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 304.948028] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.955303] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 304.962579] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 304.969852] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 304.977126] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 304.984477] skb_clone+0x1bb/0x500 [ 304.988199] ? finish_task_switch+0x1b5/0x900 [ 304.992701] ? skb_split+0x11e0/0x11e0 [ 304.996594] ? preempt_notifier_register+0x200/0x200 [ 305.001703] ? __switch_to_asm+0x34/0x70 [ 305.006688] ? __switch_to_asm+0x34/0x70 [ 305.010749] ? __switch_to_asm+0x40/0x70 [ 305.014810] ? __switch_to_asm+0x34/0x70 [ 305.018871] ? __switch_to_asm+0x40/0x70 [ 305.022935] ? __switch_to_asm+0x34/0x70 [ 305.027016] ? __switch_to_asm+0x40/0x70 [ 305.031086] ? __switch_to_asm+0x34/0x70 [ 305.035149] ? __switch_to_asm+0x34/0x70 [ 305.039213] ? __switch_to_asm+0x40/0x70 [ 305.043277] ? __switch_to_asm+0x34/0x70 [ 305.047356] bpf_clone_redirect+0xb9/0x490 [ 305.051598] ? __schedule+0x874/0x1ed0 [ 305.055494] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 305.060519] ? __sched_text_start+0x8/0x8 [ 305.064672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.069460] ? find_held_lock+0x36/0x1c0 [ 305.073542] ? lock_acquire+0x1ed/0x520 [ 305.077528] ? bpf_test_run+0x32e/0x5a0 [ 305.081513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.087069] ? check_preemption_disabled+0x48/0x200 [ 305.092109] ? kasan_check_read+0x11/0x20 [ 305.096272] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.101564] ? rcu_bh_qs+0xc0/0xc0 [ 305.105113] ? preempt_schedule+0x4d/0x60 [ 305.109274] ? ___preempt_schedule+0x16/0x18 [ 305.113705] ? bpf_test_run+0x1c0/0x5a0 [ 305.117699] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.122118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.127682] ? bpf_test_init.isra.9+0x70/0x100 [ 305.132278] ? bpf_prog_test_run_skb+0x634/0xb40 [ 305.137042] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.141885] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.147436] ? fput+0x130/0x1a0 [ 305.150720] ? __bpf_prog_get+0x9b/0x290 [ 305.154788] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.159631] ? bpf_prog_test_run+0x130/0x1a0 [ 305.164050] ? __x64_sys_bpf+0x3d8/0x510 [ 305.168116] ? bpf_prog_get+0x20/0x20 [ 305.171934] ? ksys_ioctl+0x81/0xd0 [ 305.175582] ? do_syscall_64+0x1b9/0x820 [ 305.179650] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.185023] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.189959] ? trace_hardirqs_off+0x300/0x300 [ 305.194467] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 305.199494] ? recalc_sigpending_tsk+0x180/0x180 [ 305.204265] ? kasan_check_write+0x14/0x20 [ 305.208518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.213376] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.218774] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 305.218844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.225709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.225715] Call Trace: [ 305.225721] [ 305.225740] dump_stack+0x1c4/0x2b4 [ 305.225757] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.225783] warn_alloc.cold.118+0xb7/0x1bd [ 305.232320] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.241636] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.244194] syz-executor0 cpuset= [ 305.246351] ? lock_downgrade+0x900/0x900 [ 305.249966] syz0 [ 305.255173] ? trace_hardirqs_off+0xb8/0x300 [ 305.259470] mems_allowed=0 [ 305.269966] ? trace_hardirqs_off+0xb8/0x300 [ 305.296071] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.300961] ? warn_alloc+0x120/0x120 [ 305.304774] ? warn_alloc+0x120/0x120 [ 305.308581] ? print_usage_bug+0xc0/0xc0 [ 305.312650] ? warn_alloc+0x120/0x120 [ 305.316461] ? print_usage_bug+0xc0/0xc0 [ 305.320528] ? __lock_acquire+0x7ec/0x4ec0 [ 305.324768] ? __lock_acquire+0x7ec/0x4ec0 [ 305.329011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.334582] ? should_fail+0x22d/0xd01 [ 305.338481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.343591] ? __lock_acquire+0x7ec/0x4ec0 [ 305.347872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.352993] ? __lock_acquire+0x7ec/0x4ec0 [ 305.357265] ? should_fail+0x22d/0xd01 [ 305.361185] ? mark_held_locks+0x130/0x130 [ 305.365457] ? mark_held_locks+0x130/0x130 [ 305.369718] ? graph_lock+0x170/0x170 [ 305.373533] ? graph_lock+0x170/0x170 [ 305.377351] ? graph_lock+0x170/0x170 [ 305.381159] ? print_usage_bug+0xc0/0xc0 [ 305.385225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.390776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.396325] ? check_preemption_disabled+0x48/0x200 [ 305.401362] ? check_preemption_disabled+0x48/0x200 [ 305.406400] ? __lock_is_held+0xb5/0x140 [ 305.410494] __alloc_pages_nodemask+0xa80/0xde0 [ 305.415171] ? graph_lock+0x170/0x170 [ 305.418985] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.424003] ? graph_lock+0x170/0x170 [ 305.427858] ? find_held_lock+0x36/0x1c0 [ 305.431940] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.436619] ? lock_downgrade+0x900/0x900 [ 305.440789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.446364] cache_grow_begin+0x91/0x8c0 [ 305.450449] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.454885] fallback_alloc+0x203/0x2e0 [ 305.458887] ____cache_alloc_node+0x1c7/0x1e0 [ 305.463401] kmem_cache_alloc_node+0xe3/0x730 [ 305.467916] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.472176] __alloc_skb+0x119/0x770 [ 305.475903] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.481203] ? skb_scrub_packet+0x490/0x490 [ 305.485539] ? lock_downgrade+0x900/0x900 [ 305.489711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.495268] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.500749] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.506218] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.510646] ndisc_alloc_skb+0x144/0x340 [ 305.514725] ndisc_send_rs+0x331/0x6e0 [ 305.518625] addrconf_rs_timer+0x3c0/0x6f0 [ 305.522870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.527122] call_timer_fn+0x272/0x920 [ 305.531011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.535250] ? process_timeout+0x40/0x40 [ 305.539313] ? find_held_lock+0x36/0x1c0 [ 305.543391] ? mark_held_locks+0xc7/0x130 [ 305.547557] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.552058] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.556556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.560796] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.565382] ? trace_hardirqs_on+0xbd/0x310 [ 305.569711] ? kasan_check_read+0x11/0x20 [ 305.573871] ? __run_timers+0x7da/0xc70 [ 305.577853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.583514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.587758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.592019] __run_timers+0x7e5/0xc70 [ 305.595850] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.601232] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.606270] ? graph_lock+0x170/0x170 [ 305.610083] ? print_usage_bug+0xc0/0xc0 [ 305.614149] ? lock_release+0x970/0x970 [ 305.618128] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.623332] ? find_held_lock+0x36/0x1c0 [ 305.627402] ? graph_lock+0x170/0x170 [ 305.631218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.636769] ? check_preemption_disabled+0x48/0x200 [ 305.641804] ? __lock_is_held+0xb5/0x140 [ 305.645874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.651429] ? check_preemption_disabled+0x48/0x200 [ 305.656460] run_timer_softirq+0x52/0xb0 [ 305.660530] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.665552] __do_softirq+0x30b/0xad8 [ 305.669378] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.674505] ? pvclock_read_flags+0x160/0x160 [ 305.679001] ? lapic_next_event+0x5a/0x90 [ 305.683160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.688722] ? check_preemption_disabled+0x48/0x200 [ 305.693763] ? check_preemption_disabled+0x48/0x200 [ 305.698799] ? kvm_clock_read+0x18/0x30 [ 305.702790] ? kvm_sched_clock_read+0x9/0x20 [ 305.707210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.712763] ? check_preemption_disabled+0x48/0x200 [ 305.717805] irq_exit+0x17f/0x1c0 [ 305.721269] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.726115] ? smp_reschedule_interrupt+0x109/0x650 [ 305.731142] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.737047] ? interrupt_entry+0xb5/0xf0 [ 305.741164] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.746201] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.751232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.756089] ? trace_hardirqs_off+0x300/0x300 [ 305.760603] ? trace_hardirqs_off+0x300/0x300 [ 305.765106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.770662] ? check_preemption_disabled+0x48/0x200 [ 305.775699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.781296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.786172] apic_timer_interrupt+0xf/0x20 [ 305.790426] [ 305.792682] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 305.797981] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 305.816897] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 305.824640] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 305.831933] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 305.839218] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 305.846495] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 305.853800] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 305.861114] ? arch_local_irq_restore+0x45/0x52 [ 305.865824] dump_stack+0x26a/0x2b4 [ 305.869466] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.874667] ? mark_held_locks+0x130/0x130 [ 305.878904] ? mark_held_locks+0x130/0x130 [ 305.883151] dump_header+0x27b/0xf72 [ 305.886883] ? pagefault_out_of_memory+0x197/0x197 [ 305.891828] ? mark_held_locks+0x130/0x130 [ 305.896082] ? __lock_acquire+0x7ec/0x4ec0 [ 305.900334] ? mem_cgroup_charge_statistics+0x780/0x780 [ 305.905723] ? print_usage_bug+0xc0/0xc0 [ 305.909795] ? print_usage_bug+0xc0/0xc0 [ 305.913879] ? graph_lock+0x170/0x170 [ 305.917687] ? graph_lock+0x170/0x170 [ 305.921504] ? print_usage_bug+0xc0/0xc0 [ 305.925581] ? print_usage_bug+0xc0/0xc0 [ 305.929665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.935215] ? find_held_lock+0x36/0x1c0 [ 305.939303] ? mark_held_locks+0xc7/0x130 [ 305.943530] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.948685] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.953819] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.958448] ? trace_hardirqs_on+0xbd/0x310 [ 305.962787] ? kasan_check_read+0x11/0x20 [ 305.966957] ? ___ratelimit+0x36f/0x655 [ 305.970960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.976486] ? trace_hardirqs_on+0x310/0x310 [ 305.980955] ? lock_downgrade+0x900/0x900 [ 305.985135] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.990267] ? ___ratelimit+0xaa/0x655 [ 305.994180] ? idr_get_free+0xec0/0xec0 [ 305.998169] ? kasan_check_write+0x14/0x20 [ 306.002424] ? do_raw_spin_lock+0xc1/0x200 [ 306.006685] oom_kill_process.cold.27+0x10/0x903 [ 306.011456] ? graph_lock+0x170/0x170 [ 306.015261] ? _raw_spin_unlock+0x2c/0x50 [ 306.019427] ? oom_badness+0xe6/0xaa0 [ 306.023239] ? oom_evaluate_task+0x540/0x540 [ 306.027660] ? find_held_lock+0x36/0x1c0 [ 306.031768] ? out_of_memory+0x974/0x14c0 [ 306.035935] ? lock_downgrade+0x900/0x900 [ 306.040087] ? check_preemption_disabled+0x48/0x200 [ 306.045116] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.050917] ? kasan_check_read+0x11/0x20 [ 306.055082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.060367] ? rcu_bh_qs+0xc0/0xc0 [ 306.063912] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.068954] ? oom_evaluate_task+0x302/0x540 [ 306.073390] out_of_memory+0xa86/0x14c0 [ 306.077422] ? oom_killer_disable+0x3a0/0x3a0 [ 306.081949] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 306.086906] ? __mutex_add_waiter+0x2a0/0x2a0 [ 306.091450] __alloc_pages_slowpath+0x2318/0x2d80 [ 306.096347] ? warn_alloc+0x120/0x120 [ 306.100177] ? find_get_entry+0x2f2/0xc40 [ 306.104340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.109893] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 306.114832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.120387] ? should_fail+0x22d/0xd01 [ 306.124291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.129395] ? __lock_is_held+0xb5/0x140 [ 306.133496] ? __lock_is_held+0xb5/0x140 [ 306.137565] ? find_held_lock+0x36/0x1c0 [ 306.141633] ? ___might_sleep+0x1ed/0x300 [ 306.145790] ? lock_release+0x970/0x970 [ 306.149778] ? arch_local_save_flags+0x40/0x40 [ 306.154379] ? __might_sleep+0x95/0x190 [ 306.158367] __alloc_pages_nodemask+0xa80/0xde0 [ 306.163067] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.168092] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.173896] ? kasan_check_read+0x11/0x20 [ 306.178053] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.183351] ? graph_lock+0x170/0x170 [ 306.187168] ? print_usage_bug+0xc0/0xc0 [ 306.191241] ? graph_lock+0x170/0x170 [ 306.195046] ? graph_lock+0x170/0x170 [ 306.198851] ? __do_page_cache_readahead+0x7ce/0x980 [ 306.203973] ? find_held_lock+0x36/0x1c0 [ 306.208045] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.213597] alloc_pages_current+0x10c/0x210 [ 306.218008] ? lock_downgrade+0x900/0x900 [ 306.222170] __page_cache_alloc+0x38f/0x5b0 [ 306.226498] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.232331] ? kasan_check_read+0x11/0x20 [ 306.236504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.241817] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 306.246519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.252099] ? check_preemption_disabled+0x48/0x200 [ 306.257161] filemap_fault+0x1594/0x25f0 [ 306.261247] ? __lock_page_or_retry+0xa00/0xa00 [ 306.265935] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.271741] ? kasan_check_read+0x11/0x20 [ 306.275899] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.281193] ? rcu_bh_qs+0xc0/0xc0 [ 306.284756] ? filemap_map_pages+0xdea/0x1980 [ 306.289281] ? find_get_pages_range_tag+0x1320/0x1320 [ 306.294485] ? do_raw_spin_lock+0xc1/0x200 [ 306.298729] ? graph_lock+0x170/0x170 [ 306.302537] ? futex_wait_setup+0x266/0x3e0 [ 306.306890] ? lock_acquire+0x1ed/0x520 [ 306.310873] ? ext4_filemap_fault+0x7a/0xad [ 306.315462] ? lock_release+0x970/0x970 [ 306.319446] ? arch_local_save_flags+0x40/0x40 [ 306.324040] ? futex_wait_setup+0x3e0/0x3e0 [ 306.328371] ? print_usage_bug+0xc0/0xc0 [ 306.332463] ? down_read+0xb0/0x1d0 [ 306.336098] ? ext4_filemap_fault+0x7a/0xad [ 306.340468] ? __down_interruptible+0x700/0x700 [ 306.345161] ? find_held_lock+0x36/0x1c0 [ 306.349235] ext4_filemap_fault+0x82/0xad [ 306.353405] __do_fault+0x100/0x6b0 [ 306.357057] ? lock_downgrade+0x900/0x900 [ 306.361214] ? print_bad_pte+0x6c0/0x6c0 [ 306.365286] ? do_futex+0x249/0x26d0 [ 306.369191] ? kasan_check_read+0x11/0x20 [ 306.373356] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.377789] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 306.382386] ? add_mm_counter_fast+0xd0/0xd0 [ 306.386837] __handle_mm_fault+0x3709/0x53e0 [ 306.391262] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 306.396114] ? __fpu__restore_sig+0x62f/0x1680 [ 306.400703] ? graph_lock+0x170/0x170 [ 306.404521] ? print_usage_bug+0xc0/0xc0 [ 306.408588] ? graph_lock+0x170/0x170 [ 306.412393] ? graph_lock+0x170/0x170 [ 306.416205] ? graph_lock+0x170/0x170 [ 306.420030] ? handle_mm_fault+0x42a/0xc70 [ 306.424269] ? lock_downgrade+0x900/0x900 [ 306.428432] ? check_preemption_disabled+0x48/0x200 [ 306.433476] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.439278] ? kasan_check_read+0x11/0x20 [ 306.443442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.449219] ? rcu_bh_qs+0xc0/0xc0 [ 306.452764] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.458220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.463783] ? check_preemption_disabled+0x48/0x200 [ 306.468821] handle_mm_fault+0x54f/0xc70 [ 306.472900] ? __handle_mm_fault+0x53e0/0x53e0 [ 306.477503] ? find_vma+0x34/0x190 [ 306.481057] __do_page_fault+0x67d/0xed0 [ 306.485143] ? mm_fault_error+0x380/0x380 [ 306.489296] ? trace_hardirqs_off+0xb8/0x300 [ 306.493717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.499096] ? trace_hardirqs_on+0x310/0x310 [ 306.503524] do_page_fault+0xf2/0x7e0 [ 306.507347] ? vmalloc_sync_all+0x30/0x30 [ 306.511510] ? error_entry+0x70/0xd0 [ 306.515242] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.520287] ? trace_hardirqs_on_caller+0xc0/0x300 [ 306.525237] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.530188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.535055] ? trace_hardirqs_off+0x300/0x300 [ 306.539572] ? trace_hardirqs_off_caller+0x300/0x300 [ 306.544707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.550268] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.555321] ? page_fault+0x8/0x30 [ 306.558874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.563723] ? page_fault+0x8/0x30 [ 306.567268] page_fault+0x1e/0x30 [ 306.570718] RIP: 0033:0x407e06 [ 306.573913] Code: Bad RIP value. [ 306.577285] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 306.582656] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 306.589937] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 306.597216] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 306.604514] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 306.611794] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 306.619094] warn_alloc_show_mem: 1 callbacks suppressed [ 306.619107] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 306.619109] Mem-Info: [ 306.619139] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 306.619139] active_file:16 inactive_file:17 isolated_file:1 [ 306.619139] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.619139] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 306.619139] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 306.619139] free:13718 free_pcp:223 free_cma:0 [ 306.624496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.624505] Call Trace: [ 306.631711] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.634111] [ 306.666989] Node 0 [ 306.676379] dump_stack+0x1c4/0x2b4 [ 306.678968] 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 [ 306.706630] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.708753] lowmem_reserve[]: [ 306.711002] warn_alloc.cold.118+0xb7/0x1bd [ 306.714594] 0 [ 306.740108] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.745290] 2817 6321 [ 306.748433] ? lock_downgrade+0x900/0x900 [ 306.752728] 6321 [ 306.754540] ? trace_hardirqs_off+0xb8/0x300 [ 306.762080] ? trace_hardirqs_off+0xb8/0x300 [ 306.766199] Node 0 [ 306.768272] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.772693] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.777127] ? warn_alloc+0x120/0x120 [ 306.779305] lowmem_reserve[]: 0 [ 306.784161] ? warn_alloc+0x120/0x120 [ 306.810875] 0 [ 306.814689] ? print_usage_bug+0xc0/0xc0 [ 306.817934] 3503 3503 [ 306.821748] ? warn_alloc+0x120/0x120 [ 306.827585] ? print_usage_bug+0xc0/0xc0 [ 306.830059] Node 0 [ 306.833852] ? __lock_acquire+0x7ec/0x4ec0 [ 306.837915] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 306.840119] ? __lock_acquire+0x7ec/0x4ec0 [ 306.844321] lowmem_reserve[]: 0 [ 306.872717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.876929] 0 [ 306.880205] ? should_fail+0x22d/0xd01 [ 306.885706] 0 0 [ 306.887526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.893356] ? __lock_acquire+0x7ec/0x4ec0 [ 306.898448] Node 0 DMA: [ 306.902696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.902713] ? __lock_acquire+0x7ec/0x4ec0 [ 306.905370] 1*4kB [ 306.910479] ? should_fail+0x22d/0xd01 [ 306.914693] (U) [ 306.916848] ? mark_held_locks+0x130/0x130 [ 306.920694] 0*8kB 0*16kB [ 306.922685] ? mark_held_locks+0x130/0x130 [ 306.926886] 1*32kB [ 306.929643] ? graph_lock+0x170/0x170 [ 306.933850] (U) 2*64kB [ 306.936098] ? graph_lock+0x170/0x170 [ 306.939864] (U) 1*128kB [ 306.942464] ? graph_lock+0x170/0x170 [ 306.946231] (U) 1*256kB [ 306.948919] ? print_usage_bug+0xc0/0xc0 [ 306.952691] (U) 0*512kB [ 306.955377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.955394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.959438] 1*1024kB (U) [ 306.962124] ? check_preemption_disabled+0x48/0x200 [ 306.967624] 1*2048kB (M) [ 306.973180] ? check_preemption_disabled+0x48/0x200 [ 306.975900] 3*4096kB (M) [ 306.980933] ? __lock_is_held+0xb5/0x140 [ 306.983657] = 15908kB [ 306.988671] __alloc_pages_nodemask+0xa80/0xde0 [ 306.991394] Node 0 DMA32: [ 306.995477] ? graph_lock+0x170/0x170 [ 306.997864] 2*4kB [ 307.002534] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.005349] (M) [ 307.009141] ? graph_lock+0x170/0x170 [ 307.011264] 0*8kB 3*16kB [ 307.016292] ? find_held_lock+0x36/0x1c0 [ 307.018240] (M) [ 307.022051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.024777] 1*32kB [ 307.028829] ? lock_downgrade+0x900/0x900 [ 307.030775] (M) 2*64kB [ 307.035463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.037663] (M) 4*128kB [ 307.041822] cache_grow_begin+0x91/0x8c0 [ 307.044377] (UM) 3*256kB [ 307.049925] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.052574] (UM) [ 307.056642] fallback_alloc+0x203/0x2e0 [ 307.059372] 4*512kB (UM) [ 307.063805] ____cache_alloc_node+0x1c7/0x1e0 [ 307.065837] 3*1024kB (M) [ 307.069833] kmem_cache_alloc_node+0xe3/0x730 [ 307.072561] 3*2048kB (UM) [ 307.077079] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.079819] 3*4096kB (M) [ 307.084338] __alloc_skb+0x119/0x770 [ 307.087156] = 25048kB [ 307.091395] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.094126] Node 0 [ 307.097844] ? skb_scrub_packet+0x490/0x490 [ 307.100217] Normal: 865*4kB [ 307.105529] ? lock_downgrade+0x900/0x900 [ 307.107741] (UMEH) [ 307.112086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.115079] 401*8kB [ 307.119228] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.121441] (UMEH) [ 307.126989] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.129286] 165*16kB (UMEH) [ 307.134757] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.136962] 83*32kB (UMEH) [ 307.142447] ndisc_alloc_skb+0x144/0x340 [ 307.145436] 31*64kB [ 307.149851] ndisc_send_rs+0x331/0x6e0 [ 307.152742] (UMH) 0*128kB [ 307.156822] addrconf_rs_timer+0x3c0/0x6f0 [ 307.159111] 0*256kB 0*512kB [ 307.163014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.165821] 0*1024kB 0*2048kB [ 307.170078] call_timer_fn+0x272/0x920 [ 307.173061] 0*4096kB [ 307.177298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.180464] = 13948kB [ 307.184357] ? process_timeout+0x40/0x40 [ 307.186748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.190978] ? find_held_lock+0x36/0x1c0 [ 307.191005] ? __run_timers+0x7da/0xc70 [ 307.193388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.193397] 413 total pagecache pages [ 307.197477] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.206298] 0 pages in swap cache [ 307.210395] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.214356] Swap cache stats: add 0, delete 0, find 0/0 [ 307.222941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.222961] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.226753] Free swap = 0kB [ 307.231259] ? trace_hardirqs_on+0xbd/0x310 [ 307.234678] Total swap = 0kB [ 307.234686] 1965979 pages RAM [ 307.239193] ? kasan_check_read+0x11/0x20 [ 307.244531] 0 pages HighMem/MovableOnly [ 307.244540] 342744 pages reserved [ 307.248783] ? __run_timers+0x7da/0xc70 [ 307.253332] 0 pages cma reserved [ 307.253408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.256361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.256383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.256402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.260771] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.263727] __run_timers+0x7e5/0xc70 [ 307.266804] syz-fuzzer cpuset= [ 307.270960] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.274905] / [ 307.278368] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.282313] mems_allowed=0 [ 307.338174] ? graph_lock+0x170/0x170 [ 307.341982] ? enqueue_hrtimer+0x1a5/0x560 [ 307.346221] ? lock_release+0x970/0x970 [ 307.350198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.355399] ? find_held_lock+0x36/0x1c0 [ 307.359478] ? graph_lock+0x170/0x170 [ 307.363373] ? pvclock_read_flags+0x160/0x160 [ 307.367874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.373434] ? check_preemption_disabled+0x48/0x200 [ 307.378477] ? __lock_is_held+0xb5/0x140 [ 307.382549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.388096] ? check_preemption_disabled+0x48/0x200 [ 307.393136] run_timer_softirq+0x52/0xb0 [ 307.397391] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.402458] __do_softirq+0x30b/0xad8 [ 307.406288] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.411403] ? pvclock_read_flags+0x160/0x160 [ 307.415923] ? lapic_next_event+0x5a/0x90 [ 307.420080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.425626] ? check_preemption_disabled+0x48/0x200 [ 307.430646] ? check_preemption_disabled+0x48/0x200 [ 307.435679] ? kvm_clock_read+0x18/0x30 [ 307.439655] ? kvm_sched_clock_read+0x9/0x20 [ 307.444070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.449634] ? check_preemption_disabled+0x48/0x200 [ 307.454720] irq_exit+0x17f/0x1c0 [ 307.458193] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.463133] ? smp_reschedule_interrupt+0x109/0x650 [ 307.468159] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.474048] ? interrupt_entry+0xb5/0xf0 [ 307.478127] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.483155] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.488190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.493066] ? trace_hardirqs_off+0x300/0x300 [ 307.497575] ? trace_hardirqs_off+0x300/0x300 [ 307.502090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.507650] ? check_preemption_disabled+0x48/0x200 [ 307.512680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.518244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.523120] apic_timer_interrupt+0xf/0x20 [ 307.527362] [ 307.529605] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 307.534538] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 307.553463] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 307.561202] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 307.568492] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 307.575767] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 307.583045] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 307.590318] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 307.597654] skb_clone+0x1bb/0x500 [ 307.601198] ? finish_task_switch+0x1b5/0x900 [ 307.605701] ? skb_split+0x11e0/0x11e0 [ 307.609608] ? preempt_notifier_register+0x200/0x200 [ 307.614728] ? __switch_to_asm+0x34/0x70 [ 307.618798] ? __switch_to_asm+0x34/0x70 [ 307.622862] ? __switch_to_asm+0x40/0x70 [ 307.626924] ? __switch_to_asm+0x34/0x70 [ 307.630990] ? __switch_to_asm+0x40/0x70 [ 307.635083] ? __switch_to_asm+0x34/0x70 [ 307.639182] ? __switch_to_asm+0x40/0x70 [ 307.643265] ? __switch_to_asm+0x34/0x70 [ 307.647351] ? __switch_to_asm+0x34/0x70 [ 307.651431] ? __switch_to_asm+0x40/0x70 [ 307.655505] ? __switch_to_asm+0x34/0x70 [ 307.659613] bpf_clone_redirect+0xb9/0x490 [ 307.663860] ? __schedule+0x874/0x1ed0 [ 307.667778] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 307.672806] ? __sched_text_start+0x8/0x8 [ 307.676966] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.681759] ? find_held_lock+0x36/0x1c0 [ 307.685834] ? lock_acquire+0x1ed/0x520 [ 307.689830] ? bpf_test_run+0x32e/0x5a0 [ 307.693816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.699375] ? check_preemption_disabled+0x48/0x200 [ 307.704450] ? kasan_check_read+0x11/0x20 [ 307.708641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.713937] ? rcu_bh_qs+0xc0/0xc0 [ 307.717525] ? preempt_schedule+0x4d/0x60 [ 307.721696] ? ___preempt_schedule+0x16/0x18 [ 307.726159] ? bpf_test_run+0x1c0/0x5a0 [ 307.730162] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.734614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.740177] ? bpf_test_init.isra.9+0x70/0x100 [ 307.744883] ? bpf_prog_test_run_skb+0x634/0xb40 [ 307.749656] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.754524] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.760074] ? fput+0x130/0x1a0 [ 307.763362] ? __bpf_prog_get+0x9b/0x290 [ 307.767448] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.772305] ? bpf_prog_test_run+0x130/0x1a0 [ 307.776750] ? __x64_sys_bpf+0x3d8/0x510 [ 307.781966] ? bpf_prog_get+0x20/0x20 [ 307.785788] ? ksys_ioctl+0x81/0xd0 [ 307.789451] ? do_syscall_64+0x1b9/0x820 [ 307.793527] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.798909] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.803857] ? trace_hardirqs_off+0x300/0x300 [ 307.808368] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.813424] ? recalc_sigpending_tsk+0x180/0x180 [ 307.818209] ? kasan_check_write+0x14/0x20 [ 307.822480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.827371] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.832792] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 307.832886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.839730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.839735] Call Trace: [ 307.839742] [ 307.839762] dump_stack+0x1c4/0x2b4 [ 307.839778] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.839805] warn_alloc.cold.118+0xb7/0x1bd [ 307.846401] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.855654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.858214] syz-executor0 cpuset= [ 307.860361] ? lock_downgrade+0x900/0x900 [ 307.863963] syz0 [ 307.869176] ? trace_hardirqs_off+0xb8/0x300 [ 307.873478] mems_allowed=0 [ 307.883972] ? trace_hardirqs_off+0xb8/0x300 [ 307.910046] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.914932] ? warn_alloc+0x120/0x120 [ 307.918742] ? warn_alloc+0x120/0x120 [ 307.922559] ? print_usage_bug+0xc0/0xc0 [ 307.926631] ? warn_alloc+0x120/0x120 [ 307.930441] ? print_usage_bug+0xc0/0xc0 [ 307.934507] ? __lock_acquire+0x7ec/0x4ec0 [ 307.938750] ? __lock_acquire+0x7ec/0x4ec0 [ 307.942991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.948539] ? should_fail+0x22d/0xd01 [ 307.952450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.957568] ? __lock_acquire+0x7ec/0x4ec0 [ 307.961815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.966930] ? __lock_acquire+0x7ec/0x4ec0 [ 307.971172] ? should_fail+0x22d/0xd01 [ 307.975077] ? mark_held_locks+0x130/0x130 [ 307.979322] ? mark_held_locks+0x130/0x130 [ 307.983562] ? graph_lock+0x170/0x170 [ 307.987362] ? graph_lock+0x170/0x170 [ 307.991168] ? graph_lock+0x170/0x170 [ 307.994971] ? print_usage_bug+0xc0/0xc0 [ 307.999033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.004572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.010123] ? check_preemption_disabled+0x48/0x200 [ 308.015149] ? check_preemption_disabled+0x48/0x200 [ 308.020193] ? __lock_is_held+0xb5/0x140 [ 308.024280] __alloc_pages_nodemask+0xa80/0xde0 [ 308.028956] ? graph_lock+0x170/0x170 [ 308.032872] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.037891] ? graph_lock+0x170/0x170 [ 308.041724] ? find_held_lock+0x36/0x1c0 [ 308.045810] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.050483] ? lock_downgrade+0x900/0x900 [ 308.054643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.060191] cache_grow_begin+0x91/0x8c0 [ 308.064256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.068677] fallback_alloc+0x203/0x2e0 [ 308.072660] ____cache_alloc_node+0x1c7/0x1e0 [ 308.077167] kmem_cache_alloc_node+0xe3/0x730 [ 308.081667] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.085913] __alloc_skb+0x119/0x770 [ 308.089639] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.094938] ? skb_scrub_packet+0x490/0x490 [ 308.099268] ? lock_downgrade+0x900/0x900 [ 308.103439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.109006] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.114469] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.119922] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.124354] ndisc_alloc_skb+0x144/0x340 [ 308.128436] ndisc_send_rs+0x331/0x6e0 [ 308.132333] addrconf_rs_timer+0x3c0/0x6f0 [ 308.136612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.140873] call_timer_fn+0x272/0x920 [ 308.144775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.149026] ? process_timeout+0x40/0x40 [ 308.153096] ? find_held_lock+0x36/0x1c0 [ 308.157180] ? mark_held_locks+0xc7/0x130 [ 308.161340] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.165838] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.170344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.174600] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.179193] ? trace_hardirqs_on+0xbd/0x310 [ 308.183522] ? kasan_check_read+0x11/0x20 [ 308.187681] ? __run_timers+0x7da/0xc70 [ 308.191693] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.197177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.201438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.205711] __run_timers+0x7e5/0xc70 [ 308.209536] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.214911] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.219958] ? graph_lock+0x170/0x170 [ 308.223774] ? print_usage_bug+0xc0/0xc0 [ 308.227846] ? lock_release+0x970/0x970 [ 308.231833] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.237051] ? find_held_lock+0x36/0x1c0 [ 308.243056] ? graph_lock+0x170/0x170 [ 308.246884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.252460] ? check_preemption_disabled+0x48/0x200 [ 308.257517] ? __lock_is_held+0xb5/0x140 [ 308.261599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.267150] ? check_preemption_disabled+0x48/0x200 [ 308.272207] run_timer_softirq+0x52/0xb0 [ 308.276281] ? rcu_read_lock_sched_held+0x108/0x120 [ 308.281309] __do_softirq+0x30b/0xad8 [ 308.285129] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.290254] ? pvclock_read_flags+0x160/0x160 [ 308.294757] ? lapic_next_event+0x5a/0x90 [ 308.298914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.304486] ? check_preemption_disabled+0x48/0x200 [ 308.309519] ? check_preemption_disabled+0x48/0x200 [ 308.315096] ? kvm_clock_read+0x18/0x30 [ 308.319098] ? kvm_sched_clock_read+0x9/0x20 [ 308.323528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.329093] ? check_preemption_disabled+0x48/0x200 [ 308.334142] irq_exit+0x17f/0x1c0 [ 308.337612] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.342467] ? smp_reschedule_interrupt+0x109/0x650 [ 308.347501] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.353398] ? interrupt_entry+0xb5/0xf0 [ 308.357479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.362498] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.367523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.372382] ? trace_hardirqs_off+0x300/0x300 [ 308.376896] ? trace_hardirqs_off+0x300/0x300 [ 308.381426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.386989] ? check_preemption_disabled+0x48/0x200 [ 308.392014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.397589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.402453] apic_timer_interrupt+0xf/0x20 [ 308.406688] [ 308.408942] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 308.414227] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 308.433140] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 308.440871] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 308.448654] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 308.455959] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 308.463245] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 308.470535] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 308.477848] ? arch_local_irq_restore+0x45/0x52 [ 308.482554] dump_stack+0x26a/0x2b4 [ 308.486203] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.491411] ? mark_held_locks+0x130/0x130 [ 308.495667] ? mark_held_locks+0x130/0x130 [ 308.499948] dump_header+0x27b/0xf72 [ 308.503693] ? pagefault_out_of_memory+0x197/0x197 [ 308.508642] ? mark_held_locks+0x130/0x130 [ 308.512880] ? __lock_acquire+0x7ec/0x4ec0 [ 308.517127] ? mem_cgroup_charge_statistics+0x780/0x780 [ 308.522504] ? print_usage_bug+0xc0/0xc0 [ 308.526585] ? print_usage_bug+0xc0/0xc0 [ 308.530674] ? graph_lock+0x170/0x170 [ 308.534501] ? graph_lock+0x170/0x170 [ 308.538343] ? print_usage_bug+0xc0/0xc0 [ 308.542431] ? print_usage_bug+0xc0/0xc0 [ 308.546525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.552099] ? find_held_lock+0x36/0x1c0 [ 308.556201] ? mark_held_locks+0xc7/0x130 [ 308.560379] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.565535] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.570687] ? lockdep_hardirqs_on+0x421/0x5c0 [ 308.575299] ? trace_hardirqs_on+0xbd/0x310 [ 308.579645] ? kasan_check_read+0x11/0x20 [ 308.583817] ? ___ratelimit+0x36f/0x655 [ 308.587828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.593306] ? trace_hardirqs_on+0x310/0x310 [ 308.597737] ? lock_downgrade+0x900/0x900 [ 308.601909] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.607048] ? ___ratelimit+0xaa/0x655 [ 308.610955] ? idr_get_free+0xec0/0xec0 [ 308.614947] ? kasan_check_write+0x14/0x20 [ 308.619196] ? do_raw_spin_lock+0xc1/0x200 [ 308.623465] oom_kill_process.cold.27+0x10/0x903 [ 308.628251] ? graph_lock+0x170/0x170 [ 308.632070] ? _raw_spin_unlock+0x2c/0x50 [ 308.636241] ? oom_badness+0xe6/0xaa0 [ 308.640068] ? oom_evaluate_task+0x540/0x540 [ 308.644505] ? find_held_lock+0x36/0x1c0 [ 308.648702] ? out_of_memory+0x974/0x14c0 [ 308.652871] ? lock_downgrade+0x900/0x900 [ 308.657034] ? check_preemption_disabled+0x48/0x200 [ 308.662075] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.667892] ? kasan_check_read+0x11/0x20 [ 308.672077] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.677383] ? rcu_bh_qs+0xc0/0xc0 [ 308.680968] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.685996] ? oom_evaluate_task+0x302/0x540 [ 308.690433] out_of_memory+0xa86/0x14c0 [ 308.694479] ? oom_killer_disable+0x3a0/0x3a0 [ 308.699007] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 308.703969] ? __mutex_add_waiter+0x2a0/0x2a0 [ 308.708501] __alloc_pages_slowpath+0x2318/0x2d80 [ 308.713403] ? warn_alloc+0x120/0x120 [ 308.717249] ? find_get_entry+0x2f2/0xc40 [ 308.721427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.726977] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 308.731919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.737476] ? should_fail+0x22d/0xd01 [ 308.741374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.746485] ? __lock_is_held+0xb5/0x140 [ 308.750582] ? __lock_is_held+0xb5/0x140 [ 308.754658] ? find_held_lock+0x36/0x1c0 [ 308.758727] ? ___might_sleep+0x1ed/0x300 [ 308.762880] ? lock_release+0x970/0x970 [ 308.766862] ? arch_local_save_flags+0x40/0x40 [ 308.771515] ? __might_sleep+0x95/0x190 [ 308.775504] __alloc_pages_nodemask+0xa80/0xde0 [ 308.780194] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.785239] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.791045] ? kasan_check_read+0x11/0x20 [ 308.795205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.800503] ? graph_lock+0x170/0x170 [ 308.804329] ? print_usage_bug+0xc0/0xc0 [ 308.808395] ? graph_lock+0x170/0x170 [ 308.812206] ? graph_lock+0x170/0x170 [ 308.816021] ? __do_page_cache_readahead+0x7ce/0x980 [ 308.821141] ? find_held_lock+0x36/0x1c0 [ 308.825215] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 308.830777] alloc_pages_current+0x10c/0x210 [ 308.835194] ? lock_downgrade+0x900/0x900 [ 308.839354] __page_cache_alloc+0x38f/0x5b0 [ 308.843685] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.849492] ? kasan_check_read+0x11/0x20 [ 308.853648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.859105] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 308.863875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.869424] ? check_preemption_disabled+0x48/0x200 [ 308.874469] filemap_fault+0x1594/0x25f0 [ 308.878560] ? __lock_page_or_retry+0xa00/0xa00 [ 308.883239] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.889047] ? kasan_check_read+0x11/0x20 [ 308.893205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.898495] ? rcu_bh_qs+0xc0/0xc0 [ 308.902062] ? filemap_map_pages+0xdea/0x1980 [ 308.906584] ? find_get_pages_range_tag+0x1320/0x1320 [ 308.911791] ? do_raw_spin_lock+0xc1/0x200 [ 308.916030] ? graph_lock+0x170/0x170 [ 308.919856] ? futex_wait_setup+0x266/0x3e0 [ 308.924211] ? lock_acquire+0x1ed/0x520 [ 308.928196] ? ext4_filemap_fault+0x7a/0xad [ 308.932530] ? lock_release+0x970/0x970 [ 308.936510] ? arch_local_save_flags+0x40/0x40 [ 308.941100] ? futex_wait_setup+0x3e0/0x3e0 [ 308.945436] ? print_usage_bug+0xc0/0xc0 [ 308.949518] ? down_read+0xb0/0x1d0 [ 308.953156] ? ext4_filemap_fault+0x7a/0xad [ 308.957494] ? __down_interruptible+0x700/0x700 [ 308.962213] ? find_held_lock+0x36/0x1c0 [ 308.966294] ext4_filemap_fault+0x82/0xad [ 308.970468] __do_fault+0x100/0x6b0 [ 308.974106] ? lock_downgrade+0x900/0x900 [ 308.978266] ? print_bad_pte+0x6c0/0x6c0 [ 308.982341] ? do_futex+0x249/0x26d0 [ 308.986073] ? kasan_check_read+0x11/0x20 [ 308.990235] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.994655] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 308.999251] ? add_mm_counter_fast+0xd0/0xd0 [ 309.003681] __handle_mm_fault+0x3709/0x53e0 [ 309.008113] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 309.012973] ? __fpu__restore_sig+0x62f/0x1680 [ 309.017575] ? graph_lock+0x170/0x170 [ 309.021391] ? print_usage_bug+0xc0/0xc0 [ 309.025471] ? graph_lock+0x170/0x170 [ 309.029283] ? graph_lock+0x170/0x170 [ 309.033096] ? graph_lock+0x170/0x170 [ 309.036943] ? handle_mm_fault+0x42a/0xc70 [ 309.041206] ? lock_downgrade+0x900/0x900 [ 309.045371] ? check_preemption_disabled+0x48/0x200 [ 309.050423] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.056235] ? kasan_check_read+0x11/0x20 [ 309.060392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.065689] ? rcu_bh_qs+0xc0/0xc0 [ 309.069234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.074691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.080241] ? check_preemption_disabled+0x48/0x200 [ 309.085302] handle_mm_fault+0x54f/0xc70 [ 309.089395] ? __handle_mm_fault+0x53e0/0x53e0 [ 309.094015] ? find_vma+0x34/0x190 [ 309.097579] __do_page_fault+0x67d/0xed0 [ 309.101665] ? mm_fault_error+0x380/0x380 [ 309.105818] ? trace_hardirqs_off+0xb8/0x300 [ 309.110234] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.115635] ? trace_hardirqs_on+0x310/0x310 [ 309.120072] do_page_fault+0xf2/0x7e0 [ 309.123895] ? vmalloc_sync_all+0x30/0x30 [ 309.128062] ? error_entry+0x70/0xd0 [ 309.131779] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.136797] ? trace_hardirqs_on_caller+0xc0/0x300 [ 309.141732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.146669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.151519] ? trace_hardirqs_off+0x300/0x300 [ 309.156019] ? trace_hardirqs_off_caller+0x300/0x300 [ 309.161133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.166677] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.171699] ? page_fault+0x8/0x30 [ 309.175247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.180099] ? page_fault+0x8/0x30 [ 309.183654] page_fault+0x1e/0x30 [ 309.187116] RIP: 0033:0x407e06 [ 309.190321] Code: Bad RIP value. [ 309.193695] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 309.199076] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 309.206359] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 309.213637] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 309.220913] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 309.228193] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 309.235514] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 309.235520] warn_alloc_show_mem: 1 callbacks suppressed [ 309.235528] Mem-Info: [ 309.242731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.242743] Call Trace: [ 309.248132] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 309.248132] active_file:16 inactive_file:17 isolated_file:1 [ 309.248132] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.248132] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 309.248132] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 309.248132] free:13718 free_pcp:223 free_cma:0 [ 309.250538] [ 309.259925] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.262510] dump_stack+0x1c4/0x2b4 [ 309.295380] Node 0 [ 309.297547] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.325226] 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 [ 309.328845] warn_alloc.cold.118+0xb7/0x1bd [ 309.331034] lowmem_reserve[]: 0 [ 309.336237] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.361728] 2817 6321 [ 309.366071] ? lock_downgrade+0x900/0x900 [ 309.369335] 6321 [ 309.374185] ? trace_hardirqs_off+0xb8/0x300 [ 309.376646] Node 0 [ 309.380799] ? trace_hardirqs_off+0xb8/0x300 [ 309.382856] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 309.387246] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.389452] lowmem_reserve[]: [ 309.393890] ? warn_alloc+0x120/0x120 [ 309.420565] 0 [ 309.425435] ? trace_hardirqs_on+0x310/0x310 [ 309.428500] 0 [ 309.432296] ? warn_alloc+0x120/0x120 [ 309.434074] 3503 [ 309.438482] ? print_usage_bug+0xc0/0xc0 [ 309.440261] 3503 [ 309.444060] ? warn_alloc+0x120/0x120 [ 309.446097] Node 0 [ 309.450154] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.450171] ? print_usage_bug+0xc0/0xc0 [ 309.452244] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 309.456013] ? __lock_acquire+0x7ec/0x4ec0 [ 309.458215] lowmem_reserve[]: 0 [ 309.463232] ? __lock_acquire+0x7ec/0x4ec0 [ 309.467264] 0 [ 309.495645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.499850] 0 0 [ 309.503136] ? should_fail+0x22d/0xd01 [ 309.509141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.514658] Node 0 [ 309.516637] ? __lock_acquire+0x7ec/0x4ec0 [ 309.520492] DMA: 1*4kB [ 309.525608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.527815] (U) [ 309.532043] ? __lock_acquire+0x7ec/0x4ec0 [ 309.534592] 0*8kB 0*16kB [ 309.539693] ? should_fail+0x22d/0xd01 [ 309.539709] ? print_usage_bug+0xc0/0xc0 [ 309.541655] 1*32kB (U) [ 309.545898] ? mark_held_locks+0x130/0x130 [ 309.548621] 2*64kB (U) [ 309.552520] ? mark_held_locks+0x130/0x130 [ 309.556553] 1*128kB [ 309.559135] ? graph_lock+0x170/0x170 [ 309.563336] (U) [ 309.565921] ? print_usage_bug+0xc0/0xc0 [ 309.570138] 1*256kB [ 309.572462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.576229] (U) 0*512kB [ 309.578213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.582241] 1*1024kB (U) [ 309.584581] ? check_preemption_disabled+0x48/0x200 [ 309.589305] 1*2048kB (M) [ 309.591990] ? check_preemption_disabled+0x48/0x200 [ 309.597497] 3*4096kB (M) [ 309.600287] ? __lock_is_held+0xb5/0x140 [ 309.605262] = 15908kB [ 309.605271] Node 0 [ 309.608042] __alloc_pages_nodemask+0xa80/0xde0 [ 309.613023] DMA32: 2*4kB [ 309.615795] ? graph_lock+0x170/0x170 [ 309.619830] (M) [ 309.622237] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.624450] 0*8kB [ 309.629108] ? graph_lock+0x170/0x170 [ 309.629138] ? find_held_lock+0x36/0x1c0 [ 309.631865] 3*16kB [ 309.635663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.637605] (M) [ 309.642623] ? lock_downgrade+0x900/0x900 [ 309.644748] 1*32kB (M) [ 309.648556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.652587] 2*64kB [ 309.654819] cache_grow_begin+0x91/0x8c0 [ 309.659460] (M) 4*128kB [ 309.661456] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.665568] (UM) 3*256kB [ 309.668161] fallback_alloc+0x203/0x2e0 [ 309.673658] (UM) 4*512kB [ 309.675901] ____cache_alloc_node+0x1c7/0x1e0 [ 309.679932] (UM) [ 309.682599] kmem_cache_alloc_node+0xe3/0x730 [ 309.686977] 3*1024kB (M) [ 309.689742] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.693683] 3*2048kB (UM) [ 309.696461] __alloc_skb+0x119/0x770 [ 309.700917] 3*4096kB (M) [ 309.702996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.707454] = 25048kB [ 309.707464] Node 0 [ 309.710224] ? skb_scrub_packet+0x490/0x490 [ 309.714429] Normal: 865*4kB [ 309.717285] ? lock_downgrade+0x900/0x900 [ 309.720972] (UMEH) [ 309.723735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.729209] 401*8kB (UMEH) [ 309.731635] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.733847] 165*16kB [ 309.738161] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.741151] (UMEH) [ 309.745297] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.747504] 83*32kB (UMEH) [ 309.753056] ndisc_alloc_skb+0x144/0x340 [ 309.755958] 31*64kB [ 309.761400] ndisc_send_rs+0x331/0x6e0 [ 309.763785] (UMH) [ 309.769232] addrconf_rs_timer+0x3c0/0x6f0 [ 309.771448] 0*128kB [ 309.775849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.778745] 0*256kB 0*512kB [ 309.782817] call_timer_fn+0x272/0x920 [ 309.785106] 0*1024kB [ 309.789157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.791323] 0*2048kB 0*4096kB [ 309.795561] ? process_timeout+0x40/0x40 [ 309.797880] = 13948kB [ 309.802105] ? find_held_lock+0x36/0x1c0 [ 309.805105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.809007] ? __run_timers+0x7da/0xc70 [ 309.811393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.811402] 413 total pagecache pages [ 309.815655] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.818816] 0 pages in swap cache [ 309.822860] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.825249] Swap cache stats: add 0, delete 0, find 0/0 [ 309.829297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.838107] Free swap = 0kB [ 309.842076] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.850623] Total swap = 0kB [ 309.854414] ? trace_hardirqs_on+0xbd/0x310 [ 309.858892] 1965979 pages RAM [ 309.862339] ? kasan_check_read+0x11/0x20 [ 309.866800] 0 pages HighMem/MovableOnly [ 309.866809] 342744 pages reserved [ 309.872164] ? __run_timers+0x7da/0xc70 [ 309.876372] 0 pages cma reserved [ 309.879383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.884036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.886960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.891309] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.894357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.898479] syz-fuzzer cpuset= [ 309.902461] __run_timers+0x7e5/0xc70 [ 309.905889] / [ 309.909868] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.913201] mems_allowed=0 [ 309.918642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.965678] ? graph_lock+0x170/0x170 [ 309.969485] ? enqueue_hrtimer+0x1a5/0x560 [ 309.973717] ? lock_release+0x970/0x970 [ 309.977691] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.982889] ? find_held_lock+0x36/0x1c0 [ 309.986955] ? graph_lock+0x170/0x170 [ 309.990758] ? pvclock_read_flags+0x160/0x160 [ 309.995257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.000796] ? check_preemption_disabled+0x48/0x200 [ 310.005826] ? __lock_is_held+0xb5/0x140 [ 310.009893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.015449] ? check_preemption_disabled+0x48/0x200 [ 310.020476] run_timer_softirq+0x52/0xb0 [ 310.024538] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.029567] __do_softirq+0x30b/0xad8 [ 310.033384] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.038502] ? pvclock_read_flags+0x160/0x160 [ 310.042999] ? lapic_next_event+0x5a/0x90 [ 310.047170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.052712] ? check_preemption_disabled+0x48/0x200 [ 310.057730] ? check_preemption_disabled+0x48/0x200 [ 310.062751] ? kvm_clock_read+0x18/0x30 [ 310.066724] ? kvm_sched_clock_read+0x9/0x20 [ 310.071137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.076677] ? check_preemption_disabled+0x48/0x200 [ 310.081710] irq_exit+0x17f/0x1c0 [ 310.085169] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.090013] ? smp_reschedule_interrupt+0x109/0x650 [ 310.095030] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.100917] ? interrupt_entry+0xb5/0xf0 [ 310.104986] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.110006] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.115025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.119869] ? trace_hardirqs_off+0x300/0x300 [ 310.124361] ? trace_hardirqs_off+0x300/0x300 [ 310.128860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.134401] ? check_preemption_disabled+0x48/0x200 [ 310.139445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.144991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.149843] apic_timer_interrupt+0xf/0x20 [ 310.154071] [ 310.156313] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 310.161244] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 310.180144] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 310.187851] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.195115] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 310.202378] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 310.209644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 310.216909] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 310.224220] skb_clone+0x1bb/0x500 [ 310.227763] ? finish_task_switch+0x1b5/0x900 [ 310.232259] ? skb_split+0x11e0/0x11e0 [ 310.236152] ? preempt_notifier_register+0x200/0x200 [ 310.241256] ? __switch_to_asm+0x34/0x70 [ 310.245317] ? __switch_to_asm+0x34/0x70 [ 310.249377] ? __switch_to_asm+0x40/0x70 [ 310.253449] ? __switch_to_asm+0x34/0x70 [ 310.257508] ? __switch_to_asm+0x40/0x70 [ 310.261567] ? __switch_to_asm+0x34/0x70 [ 310.265625] ? __switch_to_asm+0x40/0x70 [ 310.269682] ? __switch_to_asm+0x34/0x70 [ 310.273747] ? __switch_to_asm+0x34/0x70 [ 310.277810] ? __switch_to_asm+0x40/0x70 [ 310.281869] ? __switch_to_asm+0x34/0x70 [ 310.285945] bpf_clone_redirect+0xb9/0x490 [ 310.290187] ? __schedule+0x874/0x1ed0 [ 310.294081] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 310.299105] ? __sched_text_start+0x8/0x8 [ 310.303254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.308027] ? find_held_lock+0x36/0x1c0 [ 310.312098] ? lock_acquire+0x1ed/0x520 [ 310.316521] ? bpf_test_run+0x32e/0x5a0 [ 310.320501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.326044] ? check_preemption_disabled+0x48/0x200 [ 310.331067] ? kasan_check_read+0x11/0x20 [ 310.335221] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.340506] ? rcu_bh_qs+0xc0/0xc0 [ 310.344051] ? preempt_schedule+0x4d/0x60 [ 310.348204] ? ___preempt_schedule+0x16/0x18 [ 310.352622] ? bpf_test_run+0x1c0/0x5a0 [ 310.356607] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.361023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.366585] ? bpf_test_init.isra.9+0x70/0x100 [ 310.371181] ? bpf_prog_test_run_skb+0x634/0xb40 [ 310.375945] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.380788] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.386326] ? fput+0x130/0x1a0 [ 310.389612] ? __bpf_prog_get+0x9b/0x290 [ 310.393675] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.398517] ? bpf_prog_test_run+0x130/0x1a0 [ 310.402931] ? __x64_sys_bpf+0x3d8/0x510 [ 310.406992] ? bpf_prog_get+0x20/0x20 [ 310.410805] ? ksys_ioctl+0x81/0xd0 [ 310.414458] ? do_syscall_64+0x1b9/0x820 [ 310.418523] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.423896] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.428837] ? trace_hardirqs_off+0x300/0x300 [ 310.433340] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.438359] ? recalc_sigpending_tsk+0x180/0x180 [ 310.443119] ? kasan_check_write+0x14/0x20 [ 310.447566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.452436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.457823] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 310.457854] rcu: INFO: rcu_preempt self-detected stall on CPU [ 310.464755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.464764] Call Trace: [ 310.470923] rcu: 0-...!: (166 ticks this GP) idle=cf2/1/0x4000000000000004 softirq=14395/14399 fqs=0 [ 310.479968] [ 310.479988] dump_stack+0x1c4/0x2b4 [ 310.480004] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.480032] warn_alloc.cold.118+0xb7/0x1bd [ 310.480048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.480066] ? lock_downgrade+0x900/0x900 [ 310.480092] ? trace_hardirqs_off+0xb8/0x300 [ 310.480112] ? trace_hardirqs_off+0xb8/0x300 [ 310.480133] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.480176] ? warn_alloc+0x120/0x120 [ 310.483065] rcu: [ 310.492513] ? warn_alloc+0x120/0x120 [ 310.494643] (t=10669 jiffies g=16769 q=10) [ 310.498259] ? print_usage_bug+0xc0/0xc0 [ 310.503453] rcu: rcu_preempt kthread starved for 10669 jiffies! g16769 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 310.507757] ? warn_alloc+0x120/0x120 [ 310.512925] rcu: RCU grace-period kthread stack dump: [ 310.517071] ? print_usage_bug+0xc0/0xc0 [ 310.521457] rcu_preempt R [ 310.525855] ? __lock_acquire+0x7ec/0x4ec0 [ 310.530668] running task [ 310.534463] ? __lock_acquire+0x7ec/0x4ec0 [ 310.536592] 22872 10 2 0x80000000 [ 310.540376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.544668] Call Trace: [ 310.548723] ? should_fail+0x22d/0xd01 [ 310.559199] __schedule+0x86c/0x1ed0 [ 310.562986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.568167] ? __sched_text_start+0x8/0x8 [ 310.572203] ? __lock_acquire+0x7ec/0x4ec0 [ 310.575298] ? __mod_timer+0x6f6/0x1870 [ 310.579522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.582704] ? add_timer_on+0x9f0/0x9f0 [ 310.586915] ? __lock_acquire+0x7ec/0x4ec0 [ 310.591053] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.596570] ? should_fail+0x22d/0xd01 [ 310.596596] ? mark_held_locks+0x130/0x130 [ 310.599172] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.603043] ? mark_held_locks+0x130/0x130 [ 310.606740] ? trace_hardirqs_on+0xbd/0x310 [ 310.611823] ? graph_lock+0x170/0x170 [ 310.615956] ? kasan_check_read+0x11/0x20 [ 310.620169] ? graph_lock+0x170/0x170 [ 310.624128] ? prepare_to_swait_event+0x25a/0x800 [ 310.629210] ? graph_lock+0x170/0x170 [ 310.633174] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.637389] ? print_usage_bug+0xc0/0xc0 [ 310.642492] schedule+0xfe/0x460 [ 310.646342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.646358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.650578] ? __schedule+0x1ed0/0x1ed0 [ 310.655666] ? check_preemption_disabled+0x48/0x200 [ 310.659883] ? prepare_to_swait_event+0x25a/0x800 [ 310.664189] ? check_preemption_disabled+0x48/0x200 [ 310.667974] ? __init_swait_queue_head+0x150/0x150 [ 310.672106] ? __lock_is_held+0xb5/0x140 [ 310.675887] ? kasan_check_write+0x14/0x20 [ 310.680715] __alloc_pages_nodemask+0xa80/0xde0 [ 310.684496] ? __lockdep_init_map+0x105/0x590 [ 310.689933] ? graph_lock+0x170/0x170 [ 310.693974] ? lockdep_init_map+0x9/0x10 [ 310.697325] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.702846] schedule_timeout+0x140/0x260 [ 310.708366] ? graph_lock+0x170/0x170 [ 310.712327] ? usleep_range+0x1a0/0x1a0 [ 310.717337] ? find_held_lock+0x36/0x1c0 [ 310.722158] ? __next_timer_interrupt+0x1a0/0x1a0 [ 310.727163] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.732076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.736125] ? lock_downgrade+0x900/0x900 [ 310.740350] rcu_gp_kthread+0x9d9/0x2310 [ 310.745000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.749498] ? rcu_gp_init+0x1830/0x1830 [ 310.753267] cache_grow_begin+0x91/0x8c0 [ 310.757308] ? update_curr+0x344/0xbe0 [ 310.762312] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.766453] ? graph_lock+0x170/0x170 [ 310.770249] fallback_alloc+0x203/0x2e0 [ 310.774209] ? __account_cfs_rq_runtime+0x790/0x790 [ 310.778253] ____cache_alloc_node+0x1c7/0x1e0 [ 310.783079] ? __lock_acquire+0x7ec/0x4ec0 [ 310.787736] kmem_cache_alloc_node+0xe3/0x730 [ 310.793259] ? graph_lock+0x170/0x170 [ 310.797387] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.801449] ? mark_held_locks+0x130/0x130 [ 310.806973] __alloc_skb+0x119/0x770 [ 310.811019] ? __lock_is_held+0xb5/0x140 [ 310.815063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.818928] ? __account_cfs_rq_runtime+0x790/0x790 [ 310.823330] ? skb_scrub_packet+0x490/0x490 [ 310.827125] ? set_next_entity+0x30c/0xc40 [ 310.831077] ? lock_downgrade+0x900/0x900 [ 310.836069] ? mark_held_locks+0x130/0x130 [ 310.836087] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.840573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.844789] ? select_task_rq_fair+0x34f0/0x34f0 [ 310.849266] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.853049] ? __enqueue_entity+0x10d/0x1f0 [ 310.857270] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.861490] ? graph_lock+0x170/0x170 [ 310.865185] ? addrconf_rs_timer+0x6f0/0x6f0 [ 310.869226] ? lock_repin_lock+0x250/0x430 [ 310.874498] ndisc_alloc_skb+0x144/0x340 [ 310.879487] ? graph_lock+0x170/0x170 [ 310.883797] ndisc_send_rs+0x331/0x6e0 [ 310.888014] ? put_prev_task_stop+0x300/0xa10 [ 310.892160] addrconf_rs_timer+0x3c0/0x6f0 [ 310.896401] ? lock_repin_lock+0x250/0x430 [ 310.901393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.906913] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.911678] call_timer_fn+0x272/0x920 [ 310.917105] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.921408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.926866] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.930647] ? process_timeout+0x40/0x40 [ 310.935043] ? trace_hardirqs_on+0xbd/0x310 [ 310.939259] ? find_held_lock+0x36/0x1c0 [ 310.939281] ? mark_held_locks+0xc7/0x130 [ 310.943328] ? kasan_check_read+0x11/0x20 [ 310.947113] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.950985] ? mark_held_locks+0x130/0x130 [ 310.955462] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.959679] ? audit_add_watch+0xae1/0xdc0 [ 310.963899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.968123] ? kasan_check_write+0x14/0x20 [ 310.972595] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.976473] ? finish_task_switch+0x2f5/0x900 [ 310.980957] ? trace_hardirqs_on+0xbd/0x310 [ 310.985178] ? __switch_to_asm+0x40/0x70 [ 310.989740] ? kasan_check_read+0x11/0x20 [ 310.989759] ? __run_timers+0x7da/0xc70 [ 310.993808] ? preempt_notifier_register+0x200/0x200 [ 310.998114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.002162] ? __switch_to_asm+0x34/0x70 [ 311.006294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.010441] ? __switch_to_asm+0x34/0x70 [ 311.014916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.019131] ? __switch_to_asm+0x40/0x70 [ 311.023629] __run_timers+0x7e5/0xc70 [ 311.027861] ? __switch_to_asm+0x40/0x70 [ 311.032094] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.036303] ? __switch_to_asm+0x34/0x70 [ 311.040869] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.045346] ? __switch_to_asm+0x40/0x70 [ 311.049651] ? graph_lock+0x170/0x170 [ 311.053713] ? __switch_to_asm+0x34/0x70 [ 311.057849] ? print_usage_bug+0xc0/0xc0 [ 311.061827] ? __switch_to_asm+0x34/0x70 [ 311.066909] ? lock_release+0x970/0x970 [ 311.066926] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.072366] ? __switch_to_asm+0x40/0x70 [ 311.076411] ? find_held_lock+0x36/0x1c0 [ 311.080634] ? __switch_to_asm+0x40/0x70 [ 311.084683] ? graph_lock+0x170/0x170 [ 311.088901] ? __switch_to_asm+0x34/0x70 [ 311.092955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.096745] ? __switch_to_asm+0x40/0x70 [ 311.100792] ? check_preemption_disabled+0x48/0x200 [ 311.106137] ? __schedule+0x874/0x1ed0 [ 311.110186] ? __lock_is_held+0xb5/0x140 [ 311.115179] ? __switch_to_asm+0x40/0x70 [ 311.119226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.123007] ? __switch_to_asm+0x40/0x70 [ 311.127053] ? check_preemption_disabled+0x48/0x200 [ 311.131096] ? graph_lock+0x170/0x170 [ 311.135140] run_timer_softirq+0x52/0xb0 [ 311.139099] ? __sched_text_start+0x8/0x8 [ 311.144271] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.148319] ? find_held_lock+0x36/0x1c0 [ 311.152362] __do_softirq+0x30b/0xad8 [ 311.156413] ? __kthread_parkme+0xce/0x1a0 [ 311.160209] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.164247] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.169769] ? pvclock_read_flags+0x160/0x160 [ 311.173813] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.178810] ? lapic_next_event+0x5a/0x90 [ 311.182685] ? lockdep_hardirqs_on+0x421/0x5c0 [ 311.186736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.190776] ? trace_hardirqs_on+0xbd/0x310 [ 311.196304] ? check_preemption_disabled+0x48/0x200 [ 311.200345] ? kasan_check_read+0x11/0x20 [ 311.205342] ? check_preemption_disabled+0x48/0x200 [ 311.205363] ? kvm_clock_read+0x18/0x30 [ 311.209148] ? __kthread_parkme+0xce/0x1a0 [ 311.213191] ? kvm_sched_clock_read+0x9/0x20 [ 311.217585] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.222585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.226633] ? kasan_check_write+0x14/0x20 [ 311.230429] ? check_preemption_disabled+0x48/0x200 [ 311.234652] ? do_raw_spin_lock+0xc1/0x200 [ 311.239743] irq_exit+0x17f/0x1c0 [ 311.244821] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.249298] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.254387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.258518] ? smp_reschedule_interrupt+0x109/0x650 [ 311.263082] ? __kthread_parkme+0xfb/0x1a0 [ 311.268608] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.272913] kthread+0x35a/0x420 [ 311.277913] ? interrupt_entry+0xb5/0xf0 [ 311.282044] ? rcu_gp_init+0x1830/0x1830 [ 311.287044] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.290999] ? kthread_bind+0x40/0x40 [ 311.295210] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.295229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.299621] ret_from_fork+0x3a/0x50 [ 311.305054] ? trace_hardirqs_off+0x300/0x300 [ 311.310585] NMI backtrace for cpu 0 [ 311.314808] ? trace_hardirqs_off+0x300/0x300 [ 311.314826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.409854] ? check_preemption_disabled+0x48/0x200 [ 311.414872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.420426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.425281] apic_timer_interrupt+0xf/0x20 [ 311.429512] [ 311.431752] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 311.437028] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 311.455925] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 311.463640] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 311.470908] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 311.478182] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 311.485453] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 311.492718] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 311.500006] ? arch_local_irq_restore+0x45/0x52 [ 311.504692] dump_stack+0x26a/0x2b4 [ 311.508326] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.513522] ? mark_held_locks+0x130/0x130 [ 311.517759] ? mark_held_locks+0x130/0x130 [ 311.522002] dump_header+0x27b/0xf72 [ 311.525733] ? pagefault_out_of_memory+0x197/0x197 [ 311.530668] ? mark_held_locks+0x130/0x130 [ 311.534904] ? __lock_acquire+0x7ec/0x4ec0 [ 311.539148] ? mem_cgroup_charge_statistics+0x780/0x780 [ 311.544516] ? print_usage_bug+0xc0/0xc0 [ 311.548583] ? print_usage_bug+0xc0/0xc0 [ 311.552655] ? graph_lock+0x170/0x170 [ 311.556458] ? graph_lock+0x170/0x170 [ 311.560261] ? print_usage_bug+0xc0/0xc0 [ 311.564321] ? print_usage_bug+0xc0/0xc0 [ 311.568398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.573966] ? find_held_lock+0x36/0x1c0 [ 311.578049] ? mark_held_locks+0xc7/0x130 [ 311.582205] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.587311] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.592426] ? lockdep_hardirqs_on+0x421/0x5c0 [ 311.597015] ? trace_hardirqs_on+0xbd/0x310 [ 311.601338] ? kasan_check_read+0x11/0x20 [ 311.605487] ? ___ratelimit+0x36f/0x655 [ 311.609465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.614919] ? trace_hardirqs_on+0x310/0x310 [ 311.619336] ? lock_downgrade+0x900/0x900 [ 311.623496] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.628612] ? ___ratelimit+0xaa/0x655 [ 311.632505] ? idr_get_free+0xec0/0xec0 [ 311.636486] ? kasan_check_write+0x14/0x20 [ 311.640727] ? do_raw_spin_lock+0xc1/0x200 [ 311.644971] oom_kill_process.cold.27+0x10/0x903 [ 311.649733] ? graph_lock+0x170/0x170 [ 311.653537] ? _raw_spin_unlock+0x2c/0x50 [ 311.657704] ? oom_badness+0xe6/0xaa0 [ 311.661526] ? oom_evaluate_task+0x540/0x540 [ 311.665943] ? find_held_lock+0x36/0x1c0 [ 311.670013] ? out_of_memory+0x974/0x14c0 [ 311.674163] ? lock_downgrade+0x900/0x900 [ 311.678313] ? check_preemption_disabled+0x48/0x200 [ 311.683339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.689145] ? kasan_check_read+0x11/0x20 [ 311.693301] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.698581] ? rcu_bh_qs+0xc0/0xc0 [ 311.702130] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.707145] ? oom_evaluate_task+0x302/0x540 [ 311.711564] out_of_memory+0xa86/0x14c0 [ 311.715549] ? oom_killer_disable+0x3a0/0x3a0 [ 311.720049] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 311.724988] ? __mutex_add_waiter+0x2a0/0x2a0 [ 311.729499] __alloc_pages_slowpath+0x2318/0x2d80 [ 311.734376] ? warn_alloc+0x120/0x120 [ 311.738196] ? find_get_entry+0x2f2/0xc40 [ 311.742356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.747898] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 311.752838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.758382] ? should_fail+0x22d/0xd01 [ 311.762275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.767380] ? __lock_is_held+0xb5/0x140 [ 311.771481] ? __lock_is_held+0xb5/0x140 [ 311.775555] ? find_held_lock+0x36/0x1c0 [ 311.779622] ? ___might_sleep+0x1ed/0x300 [ 311.783777] ? lock_release+0x970/0x970 [ 311.787757] ? arch_local_save_flags+0x40/0x40 [ 311.792352] ? __might_sleep+0x95/0x190 [ 311.796335] __alloc_pages_nodemask+0xa80/0xde0 [ 311.801019] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.806127] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.811937] ? kasan_check_read+0x11/0x20 [ 311.816091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.821377] ? graph_lock+0x170/0x170 [ 311.825185] ? print_usage_bug+0xc0/0xc0 [ 311.829248] ? graph_lock+0x170/0x170 [ 311.833047] ? graph_lock+0x170/0x170 [ 311.836850] ? __do_page_cache_readahead+0x7ce/0x980 [ 311.841965] ? find_held_lock+0x36/0x1c0 [ 311.846036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 311.851583] alloc_pages_current+0x10c/0x210 [ 311.855994] ? lock_downgrade+0x900/0x900 [ 311.860154] __page_cache_alloc+0x38f/0x5b0 [ 311.864479] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.870277] ? kasan_check_read+0x11/0x20 [ 311.874440] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.879729] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 311.884400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.889956] ? check_preemption_disabled+0x48/0x200 [ 311.894985] filemap_fault+0x1594/0x25f0 [ 311.899066] ? __lock_page_or_retry+0xa00/0xa00 [ 311.903742] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.909545] ? kasan_check_read+0x11/0x20 [ 311.913695] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.918975] ? rcu_bh_qs+0xc0/0xc0 [ 311.922536] ? filemap_map_pages+0xdea/0x1980 [ 311.927052] ? find_get_pages_range_tag+0x1320/0x1320 [ 311.932245] ? do_raw_spin_lock+0xc1/0x200 [ 311.936485] ? graph_lock+0x170/0x170 [ 311.940291] ? futex_wait_setup+0x266/0x3e0 [ 311.944636] ? lock_acquire+0x1ed/0x520 [ 311.948609] ? ext4_filemap_fault+0x7a/0xad [ 311.952941] ? lock_release+0x970/0x970 [ 311.956920] ? arch_local_save_flags+0x40/0x40 [ 311.961514] ? futex_wait_setup+0x3e0/0x3e0 [ 311.965838] ? print_usage_bug+0xc0/0xc0 [ 311.969912] ? down_read+0xb0/0x1d0 [ 311.973544] ? ext4_filemap_fault+0x7a/0xad [ 311.977869] ? __down_interruptible+0x700/0x700 [ 311.982553] ? find_held_lock+0x36/0x1c0 [ 311.986623] ext4_filemap_fault+0x82/0xad [ 311.990780] __do_fault+0x100/0x6b0 [ 311.994410] ? lock_downgrade+0x900/0x900 [ 311.998584] ? print_bad_pte+0x6c0/0x6c0 [ 312.002647] ? do_futex+0x249/0x26d0 [ 312.006383] ? kasan_check_read+0x11/0x20 [ 312.010544] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.014960] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 312.019549] ? add_mm_counter_fast+0xd0/0xd0 [ 312.023976] __handle_mm_fault+0x3709/0x53e0 [ 312.028400] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 312.033252] ? __fpu__restore_sig+0x62f/0x1680 [ 312.037835] ? graph_lock+0x170/0x170 [ 312.041640] ? print_usage_bug+0xc0/0xc0 [ 312.045705] ? graph_lock+0x170/0x170 [ 312.049510] ? graph_lock+0x170/0x170 [ 312.053318] ? graph_lock+0x170/0x170 [ 312.057146] ? handle_mm_fault+0x42a/0xc70 [ 312.061388] ? lock_downgrade+0x900/0x900 [ 312.065550] ? check_preemption_disabled+0x48/0x200 [ 312.070580] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.076383] ? kasan_check_read+0x11/0x20 [ 312.080546] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.085827] ? rcu_bh_qs+0xc0/0xc0 [ 312.089370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.094834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.100379] ? check_preemption_disabled+0x48/0x200 [ 312.105412] handle_mm_fault+0x54f/0xc70 [ 312.109496] ? __handle_mm_fault+0x53e0/0x53e0 [ 312.114085] ? find_vma+0x34/0x190 [ 312.117638] __do_page_fault+0x67d/0xed0 [ 312.121710] ? mm_fault_error+0x380/0x380 [ 312.125860] ? trace_hardirqs_off+0xb8/0x300 [ 312.130277] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.135648] ? trace_hardirqs_on+0x310/0x310 [ 312.140072] do_page_fault+0xf2/0x7e0 [ 312.143878] ? vmalloc_sync_all+0x30/0x30 [ 312.148029] ? error_entry+0x70/0xd0 [ 312.151747] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.156764] ? trace_hardirqs_on_caller+0xc0/0x300 [ 312.161697] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.166631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.171478] ? trace_hardirqs_off+0x300/0x300 [ 312.175974] ? trace_hardirqs_off_caller+0x300/0x300 [ 312.181088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.186631] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.191653] ? page_fault+0x8/0x30 [ 312.195203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.200060] ? page_fault+0x8/0x30 [ 312.203612] page_fault+0x1e/0x30 [ 312.207066] RIP: 0033:0x407e06 [ 312.210265] Code: Bad RIP value. [ 312.213632] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 312.219002] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 312.226276] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 312.233555] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 312.240828] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 312.248106] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 312.255411] warn_alloc_show_mem: 1 callbacks suppressed [ 312.255439] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 312.255441] Mem-Info: [ 312.255472] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 312.255472] active_file:16 inactive_file:17 isolated_file:1 [ 312.255472] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.255472] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 312.255472] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 312.255472] free:13718 free_pcp:223 free_cma:0 [ 312.260817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.260828] Call Trace: [ 312.268048] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.270459] [ 312.303353] Node 0 [ 312.312806] dump_stack+0x1c4/0x2b4 [ 312.315613] 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 [ 312.343276] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.345405] lowmem_reserve[]: [ 312.347651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.351248] 0 [ 312.376765] ? trace_hardirqs_off+0xb8/0x300 [ 312.381923] 2817 6321 [ 312.385039] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 312.390542] 6321 [ 312.392357] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 312.396740] Node 0 [ 312.399234] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 312.403926] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 312.405968] arch_trigger_cpumask_backtrace+0x14/0x20 [ 312.411125] lowmem_reserve[]: 0 [ 312.413374] rcu_dump_cpu_stacks+0x175/0x1c2 [ 312.418615] 0 3503 [ 312.445594] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.450765] 3503 [ 312.454054] print_cpu_stall.cold.78+0x2d3/0x524 [ 312.458439] Node 0 [ 312.460682] ? rcu_dynticks_snap+0x30/0x30 [ 312.465687] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 312.467724] ? check_preemption_disabled+0x48/0x200 [ 312.472445] lowmem_reserve[]: 0 [ 312.474691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.478889] 0 0 [ 312.507280] ? check_preemption_disabled+0x48/0x200 [ 312.512269] 0 [ 312.515551] ? check_preemption_disabled+0x48/0x200 [ 312.521057] Node 0 [ 312.523034] ? rcu_test_sync_prims+0x30/0x30 [ 312.528012] DMA: 1*4kB [ 312.529830] ? __lock_is_held+0xb5/0x140 [ 312.534805] (U) 0*8kB [ 312.537052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.541432] 0*16kB 1*32kB [ 312.544025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.548055] (U) [ 312.550558] ? check_preemption_disabled+0x48/0x200 [ 312.556061] 2*64kB (U) [ 312.558922] rcu_check_callbacks+0xfd9/0x1990 [ 312.564429] 1*128kB (U) 1*256kB [ 312.566443] ? rcu_cpu_stall_reset+0x220/0x220 [ 312.571410] (U) 0*512kB [ 312.574019] ? lock_release+0x970/0x970 [ 312.578482] 1*1024kB (U) [ 312.581865] ? graph_lock+0x170/0x170 [ 312.586410] 1*2048kB (M) [ 312.589099] ? graph_lock+0x170/0x170 [ 312.593040] 3*4096kB (M) [ 312.595808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.599575] = 15908kB [ 312.599584] Node 0 [ 312.602338] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 312.606103] DMA32: 2*4kB [ 312.608869] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 312.614374] (M) [ 312.616798] ? graph_lock+0x170/0x170 [ 312.618996] 0*8kB [ 312.623573] ? timekeeping_advance+0x3cc/0xc00 [ 312.626304] 3*16kB (M) [ 312.632539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.634483] 1*32kB (M) [ 312.638287] ? check_preemption_disabled+0x48/0x200 [ 312.640408] 2*64kB [ 312.645000] ? check_preemption_disabled+0x48/0x200 [ 312.645024] ? trace_hardirqs_off+0xb8/0x300 [ 312.647576] (M) [ 312.653113] ? __lock_is_held+0xb5/0x140 [ 312.655667] 4*128kB (UM) [ 312.660684] ? trace_hardirqs_on+0x310/0x310 [ 312.663325] 3*256kB (UM) [ 312.668348] ? check_preemption_disabled+0x48/0x200 [ 312.672721] 4*512kB (UM) [ 312.674711] ? raise_softirq+0x199/0x420 [ 312.678739] 3*1024kB [ 312.681497] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 312.685876] (M) [ 312.688632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.693618] 3*2048kB (UM) [ 312.696385] ? check_preemption_disabled+0x48/0x200 [ 312.700410] 3*4096kB (M) [ 312.702840] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.707480] = 25048kB [ 312.709457] ? hrtimer_run_queues+0x9a/0x400 [ 312.714968] Node 0 [ 312.717807] ? run_local_timers+0x19b/0x230 [ 312.722789] Normal: 865*4kB [ 312.725546] ? timer_clear_idle+0x90/0x90 [ 312.731059] (UMEH) [ 312.733465] ? debug_smp_processor_id+0x1c/0x20 [ 312.737844] 401*8kB (UMEH) [ 312.740094] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 312.744378] 165*16kB (UMEH) [ 312.747401] ? account_process_tick+0x282/0x350 [ 312.751513] 83*32kB (UMEH) [ 312.753760] update_process_times+0x2d/0x70 [ 312.758391] 31*64kB (UMH) [ 312.761338] tick_sched_handle+0x9f/0x180 [ 312.767274] 0*128kB 0*256kB [ 312.770299] tick_sched_timer+0x45/0x130 [ 312.774947] 0*512kB [ 312.777875] __hrtimer_run_queues+0x41c/0x10d0 [ 312.782168] 0*1024kB 0*2048kB [ 312.785019] ? tick_sched_do_timer+0x1a0/0x1a0 [ 312.789128] 0*4096kB = 13948kB [ 312.792154] ? hrtimer_start_range_ns+0xe00/0xe00 [ 312.796194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.798508] ? pvclock_read_flags+0x160/0x160 [ 312.803067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.806247] ? trace_hardirqs_on+0x310/0x310 [ 312.810801] 413 total pagecache pages [ 312.813992] ? kvm_clock_read+0x18/0x30 [ 312.818811] 0 pages in swap cache [ 312.827639] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 312.832108] Swap cache stats: add 0, delete 0, find 0/0 [ 312.832117] Free swap = 0kB [ 312.840685] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 312.845057] Total swap = 0kB [ 312.845066] 1965979 pages RAM [ 312.848859] ? do_timer+0x50/0x50 [ 312.852804] 0 pages HighMem/MovableOnly [ 312.856249] ? trace_hardirqs_on+0x310/0x310 [ 312.861232] 342744 pages reserved [ 312.861240] 0 pages cma reserved [ 312.866601] ? do_raw_spin_lock+0xc1/0x200 [ 312.869655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.874951] hrtimer_interrupt+0x313/0x780 [ 312.874989] smp_apic_timer_interrupt+0x1a1/0x760 [ 312.878044] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.881084] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.884511] syz-fuzzer cpuset= [ 312.888477] ? interrupt_entry+0xb5/0xf0 [ 312.892861] / [ 312.896310] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.899654] mems_allowed=0 [ 312.903880] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.956981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.961831] ? trace_hardirqs_off+0x300/0x300 [ 312.966340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.971198] apic_timer_interrupt+0xf/0x20 [ 312.975453] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 312.980818] Code: 40 7e 0f 85 32 ff ff ff e8 45 c3 3e ff e9 28 ff ff ff e8 5c 20 c3 ff 48 83 3d fc 6e 90 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 da 44 [ 312.999719] RSP: 0000:ffff8801dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 313.007444] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b111d79 [ 313.014718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 313.021985] RBP: ffff8801dae074c0 R08: ffff8801d888ebc8 R09: 0000000000000002 [ 313.029254] R10: 0000000000000000 R11: ffff8801d888e300 R12: ffff8801d9be7680 [ 313.036522] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 313.043808] ? apic_timer_interrupt+0xa/0x20 [ 313.048247] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.052497] __alloc_skb+0x119/0x770 [ 313.056217] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.061504] ? skb_scrub_packet+0x490/0x490 [ 313.065831] ? lock_downgrade+0x900/0x900 [ 313.069988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.075529] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.080984] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.086448] ? addrconf_rs_timer+0x6f0/0x6f0 [ 313.090877] ndisc_alloc_skb+0x144/0x340 [ 313.094946] ndisc_send_rs+0x331/0x6e0 [ 313.098841] addrconf_rs_timer+0x3c0/0x6f0 [ 313.103087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.107338] call_timer_fn+0x272/0x920 [ 313.111227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.115471] ? process_timeout+0x40/0x40 [ 313.119530] ? find_held_lock+0x36/0x1c0 [ 313.123601] ? __run_timers+0x7da/0xc70 [ 313.127584] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.132100] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.136596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.140836] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.145434] ? trace_hardirqs_on+0xbd/0x310 [ 313.149765] ? kasan_check_read+0x11/0x20 [ 313.153920] ? __run_timers+0x7da/0xc70 [ 313.157899] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.163362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.167608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.171846] __run_timers+0x7e5/0xc70 [ 313.175661] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.181028] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.186057] ? graph_lock+0x170/0x170 [ 313.189873] ? enqueue_hrtimer+0x1a5/0x560 [ 313.194109] ? lock_release+0x970/0x970 [ 313.198089] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.203288] ? find_held_lock+0x36/0x1c0 [ 313.207355] ? graph_lock+0x170/0x170 [ 313.211164] ? pvclock_read_flags+0x160/0x160 [ 313.215674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.221226] ? check_preemption_disabled+0x48/0x200 [ 313.226257] ? __lock_is_held+0xb5/0x140 [ 313.230328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.235868] ? check_preemption_disabled+0x48/0x200 [ 313.240897] run_timer_softirq+0x52/0xb0 [ 313.244961] ? rcu_read_lock_sched_held+0x108/0x120 [ 313.249996] __do_softirq+0x30b/0xad8 [ 313.253822] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.258943] ? pvclock_read_flags+0x160/0x160 [ 313.263457] ? lapic_next_event+0x5a/0x90 [ 313.267615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.273164] ? check_preemption_disabled+0x48/0x200 [ 313.278196] ? check_preemption_disabled+0x48/0x200 [ 313.283227] ? kvm_clock_read+0x18/0x30 [ 313.287203] ? kvm_sched_clock_read+0x9/0x20 [ 313.291616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.297156] ? check_preemption_disabled+0x48/0x200 [ 313.302187] irq_exit+0x17f/0x1c0 [ 313.305650] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.310500] ? smp_reschedule_interrupt+0x109/0x650 [ 313.316008] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.321894] ? interrupt_entry+0xb5/0xf0 [ 313.325957] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.330978] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.335995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.340838] ? trace_hardirqs_off+0x300/0x300 [ 313.345333] ? trace_hardirqs_off+0x300/0x300 [ 313.349834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.355381] ? check_preemption_disabled+0x48/0x200 [ 313.360400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.365959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.370819] apic_timer_interrupt+0xf/0x20 [ 313.375048] [ 313.377291] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 313.382227] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 313.401133] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 313.408847] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.416119] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 313.423390] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 313.430681] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 313.437952] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 313.445274] skb_clone+0x1bb/0x500 [ 313.448823] ? finish_task_switch+0x1b5/0x900 [ 313.453327] ? skb_split+0x11e0/0x11e0 [ 313.457222] ? preempt_notifier_register+0x200/0x200 [ 313.462330] ? __switch_to_asm+0x34/0x70 [ 313.466393] ? __switch_to_asm+0x34/0x70 [ 313.470469] ? __switch_to_asm+0x40/0x70 [ 313.474529] ? __switch_to_asm+0x34/0x70 [ 313.478588] ? __switch_to_asm+0x40/0x70 [ 313.482648] ? __switch_to_asm+0x34/0x70 [ 313.486709] ? __switch_to_asm+0x40/0x70 [ 313.490768] ? __switch_to_asm+0x34/0x70 [ 313.494829] ? __switch_to_asm+0x34/0x70 [ 313.498889] ? __switch_to_asm+0x40/0x70 [ 313.502948] ? __switch_to_asm+0x34/0x70 [ 313.507018] bpf_clone_redirect+0xb9/0x490 [ 313.511260] ? __schedule+0x874/0x1ed0 [ 313.515158] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 313.520181] ? __sched_text_start+0x8/0x8 [ 313.524333] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.529129] ? find_held_lock+0x36/0x1c0 [ 313.533198] ? lock_acquire+0x1ed/0x520 [ 313.537173] ? bpf_test_run+0x32e/0x5a0 [ 313.541153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.546697] ? check_preemption_disabled+0x48/0x200 [ 313.551730] ? kasan_check_read+0x11/0x20 [ 313.555887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.561166] ? rcu_bh_qs+0xc0/0xc0 [ 313.564712] ? preempt_schedule+0x4d/0x60 [ 313.568861] ? ___preempt_schedule+0x16/0x18 [ 313.573280] ? bpf_test_run+0x1c0/0x5a0 [ 313.577271] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.581689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.587224] ? bpf_test_init.isra.9+0x70/0x100 [ 313.591811] ? bpf_prog_test_run_skb+0x634/0xb40 [ 313.596576] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.601437] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.606978] ? fput+0x130/0x1a0 [ 313.610294] ? __bpf_prog_get+0x9b/0x290 [ 313.614358] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.619201] ? bpf_prog_test_run+0x130/0x1a0 [ 313.623616] ? __x64_sys_bpf+0x3d8/0x510 [ 313.627680] ? bpf_prog_get+0x20/0x20 [ 313.631497] ? ksys_ioctl+0x81/0xd0 [ 313.635139] ? do_syscall_64+0x1b9/0x820 [ 313.639220] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.644597] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.649534] ? trace_hardirqs_off+0x300/0x300 [ 313.654033] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.659054] ? recalc_sigpending_tsk+0x180/0x180 [ 313.663814] ? kasan_check_write+0x14/0x20 [ 313.668059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.672918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.678304] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 313.678708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.685234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.685239] Call Trace: [ 313.685245] [ 313.685262] dump_stack+0x1c4/0x2b4 [ 313.685279] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.691815] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.701125] warn_alloc.cold.118+0xb7/0x1bd [ 313.703675] syz-executor0 cpuset= [ 313.705827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.709436] syz0 [ 313.714621] ? lock_downgrade+0x900/0x900 [ 313.725163] mems_allowed=0 [ 313.746799] ? trace_hardirqs_off+0xb8/0x300 [ 313.751224] ? trace_hardirqs_off+0xb8/0x300 [ 313.755652] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.760530] ? warn_alloc+0x120/0x120 [ 313.764344] ? warn_alloc+0x120/0x120 [ 313.768152] ? print_usage_bug+0xc0/0xc0 [ 313.772231] ? warn_alloc+0x120/0x120 [ 313.776033] ? print_usage_bug+0xc0/0xc0 [ 313.780096] ? __lock_acquire+0x7ec/0x4ec0 [ 313.784333] ? __lock_acquire+0x7ec/0x4ec0 [ 313.788574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.794117] ? should_fail+0x22d/0xd01 [ 313.798016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.803125] ? __lock_acquire+0x7ec/0x4ec0 [ 313.807372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.812477] ? __lock_acquire+0x7ec/0x4ec0 [ 313.816714] ? should_fail+0x22d/0xd01 [ 313.820618] ? mark_held_locks+0x130/0x130 [ 313.824864] ? mark_held_locks+0x130/0x130 [ 313.829103] ? graph_lock+0x170/0x170 [ 313.832908] ? graph_lock+0x170/0x170 [ 313.836720] ? graph_lock+0x170/0x170 [ 313.840525] ? print_usage_bug+0xc0/0xc0 [ 313.844585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.850123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.855668] ? check_preemption_disabled+0x48/0x200 [ 313.860691] ? check_preemption_disabled+0x48/0x200 [ 313.865725] ? __lock_is_held+0xb5/0x140 [ 313.869796] __alloc_pages_nodemask+0xa80/0xde0 [ 313.874472] ? graph_lock+0x170/0x170 [ 313.878282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.883298] ? graph_lock+0x170/0x170 [ 313.887112] ? find_held_lock+0x36/0x1c0 [ 313.891185] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.895859] ? lock_downgrade+0x900/0x900 [ 313.900021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.905570] cache_grow_begin+0x91/0x8c0 [ 313.909638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.914062] fallback_alloc+0x203/0x2e0 [ 313.918045] ____cache_alloc_node+0x1c7/0x1e0 [ 313.922555] kmem_cache_alloc_node+0xe3/0x730 [ 313.927055] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.931305] __alloc_skb+0x119/0x770 [ 313.935024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.940314] ? skb_scrub_packet+0x490/0x490 [ 313.944640] ? lock_downgrade+0x900/0x900 [ 313.948800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.954344] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.959803] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.965259] ? addrconf_rs_timer+0x6f0/0x6f0 [ 313.969681] ndisc_alloc_skb+0x144/0x340 [ 313.973749] ndisc_send_rs+0x331/0x6e0 [ 313.977648] addrconf_rs_timer+0x3c0/0x6f0 [ 313.981889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.986139] call_timer_fn+0x272/0x920 [ 313.990030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.994267] ? process_timeout+0x40/0x40 [ 313.998329] ? find_held_lock+0x36/0x1c0 [ 314.002402] ? mark_held_locks+0xc7/0x130 [ 314.006566] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.011062] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.015561] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.019796] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.024382] ? trace_hardirqs_on+0xbd/0x310 [ 314.028709] ? kasan_check_read+0x11/0x20 [ 314.032859] ? __run_timers+0x7da/0xc70 [ 314.036836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.042300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.046547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.050792] __run_timers+0x7e5/0xc70 [ 314.054612] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.059979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.065002] ? graph_lock+0x170/0x170 [ 314.068818] ? print_usage_bug+0xc0/0xc0 [ 314.072885] ? lock_release+0x970/0x970 [ 314.076869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.082075] ? find_held_lock+0x36/0x1c0 [ 314.086148] ? graph_lock+0x170/0x170 [ 314.089968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.095513] ? check_preemption_disabled+0x48/0x200 [ 314.100552] ? __lock_is_held+0xb5/0x140 [ 314.104619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.110161] ? check_preemption_disabled+0x48/0x200 [ 314.115192] run_timer_softirq+0x52/0xb0 [ 314.119255] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.124274] __do_softirq+0x30b/0xad8 [ 314.128088] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.133201] ? pvclock_read_flags+0x160/0x160 [ 314.137698] ? lapic_next_event+0x5a/0x90 [ 314.141847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.147390] ? check_preemption_disabled+0x48/0x200 [ 314.152417] ? check_preemption_disabled+0x48/0x200 [ 314.157459] ? kvm_clock_read+0x18/0x30 [ 314.161450] ? kvm_sched_clock_read+0x9/0x20 [ 314.165865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.171410] ? check_preemption_disabled+0x48/0x200 [ 314.176465] irq_exit+0x17f/0x1c0 [ 314.179936] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.184780] ? smp_reschedule_interrupt+0x109/0x650 [ 314.189801] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.195689] ? interrupt_entry+0xb5/0xf0 [ 314.199762] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.204786] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.209811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.214658] ? trace_hardirqs_off+0x300/0x300 [ 314.219156] ? trace_hardirqs_off+0x300/0x300 [ 314.223656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.229196] ? check_preemption_disabled+0x48/0x200 [ 314.234211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.239764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.244624] apic_timer_interrupt+0xf/0x20 [ 314.248855] [ 314.251100] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 314.256389] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 314.275310] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 314.283034] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 314.290316] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 314.297599] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 314.304875] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 314.312150] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 314.319810] ? arch_local_irq_restore+0x45/0x52 [ 314.324507] dump_stack+0x26a/0x2b4 [ 314.328144] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.333345] ? mark_held_locks+0x130/0x130 [ 314.337587] ? mark_held_locks+0x130/0x130 [ 314.341830] dump_header+0x27b/0xf72 [ 314.345567] ? pagefault_out_of_memory+0x197/0x197 [ 314.350521] ? mark_held_locks+0x130/0x130 [ 314.354774] ? __lock_acquire+0x7ec/0x4ec0 [ 314.359028] ? mem_cgroup_charge_statistics+0x780/0x780 [ 314.364410] ? print_usage_bug+0xc0/0xc0 [ 314.368492] ? print_usage_bug+0xc0/0xc0 [ 314.372579] ? graph_lock+0x170/0x170 [ 314.376383] ? graph_lock+0x170/0x170 [ 314.380202] ? print_usage_bug+0xc0/0xc0 [ 314.384264] ? print_usage_bug+0xc0/0xc0 [ 314.388338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.393888] ? find_held_lock+0x36/0x1c0 [ 314.397969] ? mark_held_locks+0xc7/0x130 [ 314.402126] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.407234] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.412343] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.416937] ? trace_hardirqs_on+0xbd/0x310 [ 314.421264] ? kasan_check_read+0x11/0x20 [ 314.425431] ? ___ratelimit+0x36f/0x655 [ 314.429427] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.434891] ? trace_hardirqs_on+0x310/0x310 [ 314.439310] ? lock_downgrade+0x900/0x900 [ 314.443476] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.448796] ? ___ratelimit+0xaa/0x655 [ 314.452727] ? idr_get_free+0xec0/0xec0 [ 314.456710] ? kasan_check_write+0x14/0x20 [ 314.460956] ? do_raw_spin_lock+0xc1/0x200 [ 314.465204] oom_kill_process.cold.27+0x10/0x903 [ 314.469975] ? graph_lock+0x170/0x170 [ 314.473779] ? _raw_spin_unlock+0x2c/0x50 [ 314.478107] ? oom_badness+0xe6/0xaa0 [ 314.481929] ? oom_evaluate_task+0x540/0x540 [ 314.486350] ? find_held_lock+0x36/0x1c0 [ 314.490431] ? out_of_memory+0x974/0x14c0 [ 314.494584] ? lock_downgrade+0x900/0x900 [ 314.498741] ? check_preemption_disabled+0x48/0x200 [ 314.503768] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.509671] ? kasan_check_read+0x11/0x20 [ 314.513852] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.519138] ? rcu_bh_qs+0xc0/0xc0 [ 314.522689] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.527712] ? oom_evaluate_task+0x302/0x540 [ 314.532128] out_of_memory+0xa86/0x14c0 [ 314.536113] ? oom_killer_disable+0x3a0/0x3a0 [ 314.540634] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 314.545578] ? __mutex_add_waiter+0x2a0/0x2a0 [ 314.550122] __alloc_pages_slowpath+0x2318/0x2d80 [ 314.555003] ? warn_alloc+0x120/0x120 [ 314.558824] ? find_get_entry+0x2f2/0xc40 [ 314.563000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.568543] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 314.573478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.579047] ? should_fail+0x22d/0xd01 [ 314.582950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.588056] ? __lock_is_held+0xb5/0x140 [ 314.592147] ? __lock_is_held+0xb5/0x140 [ 314.596220] ? find_held_lock+0x36/0x1c0 [ 314.600294] ? ___might_sleep+0x1ed/0x300 [ 314.604455] ? lock_release+0x970/0x970 [ 314.608446] ? arch_local_save_flags+0x40/0x40 [ 314.613050] ? __might_sleep+0x95/0x190 [ 314.617037] __alloc_pages_nodemask+0xa80/0xde0 [ 314.621723] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.626749] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.632555] ? kasan_check_read+0x11/0x20 [ 314.636717] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.642003] ? graph_lock+0x170/0x170 [ 314.645813] ? print_usage_bug+0xc0/0xc0 [ 314.649879] ? graph_lock+0x170/0x170 [ 314.653683] ? graph_lock+0x170/0x170 [ 314.657492] ? __do_page_cache_readahead+0x7ce/0x980 [ 314.662609] ? find_held_lock+0x36/0x1c0 [ 314.666680] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.672229] alloc_pages_current+0x10c/0x210 [ 314.676643] ? lock_downgrade+0x900/0x900 [ 314.680804] __page_cache_alloc+0x38f/0x5b0 [ 314.685133] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.690942] ? kasan_check_read+0x11/0x20 [ 314.695100] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.700386] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 314.705071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.710619] ? check_preemption_disabled+0x48/0x200 [ 314.715647] filemap_fault+0x1594/0x25f0 [ 314.719726] ? __lock_page_or_retry+0xa00/0xa00 [ 314.724785] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.730590] ? kasan_check_read+0x11/0x20 [ 314.734746] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.740036] ? rcu_bh_qs+0xc0/0xc0 [ 314.743601] ? filemap_map_pages+0xdea/0x1980 [ 314.748124] ? find_get_pages_range_tag+0x1320/0x1320 [ 314.753328] ? do_raw_spin_lock+0xc1/0x200 [ 314.757573] ? graph_lock+0x170/0x170 [ 314.761382] ? futex_wait_setup+0x266/0x3e0 [ 314.765730] ? lock_acquire+0x1ed/0x520 [ 314.769711] ? ext4_filemap_fault+0x7a/0xad [ 314.774048] ? lock_release+0x970/0x970 [ 314.778035] ? arch_local_save_flags+0x40/0x40 [ 314.782636] ? futex_wait_setup+0x3e0/0x3e0 [ 314.786969] ? print_usage_bug+0xc0/0xc0 [ 314.791052] ? down_read+0xb0/0x1d0 [ 314.794686] ? ext4_filemap_fault+0x7a/0xad [ 314.799021] ? __down_interruptible+0x700/0x700 [ 314.803711] ? find_held_lock+0x36/0x1c0 [ 314.807788] ext4_filemap_fault+0x82/0xad [ 314.811951] __do_fault+0x100/0x6b0 [ 314.815589] ? lock_downgrade+0x900/0x900 [ 314.819743] ? print_bad_pte+0x6c0/0x6c0 [ 314.823809] ? do_futex+0x249/0x26d0 [ 314.827531] ? kasan_check_read+0x11/0x20 [ 314.831688] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.836104] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 314.840695] ? add_mm_counter_fast+0xd0/0xd0 [ 314.845120] __handle_mm_fault+0x3709/0x53e0 [ 314.849548] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 314.854394] ? __fpu__restore_sig+0x62f/0x1680 [ 314.858992] ? graph_lock+0x170/0x170 [ 314.862800] ? print_usage_bug+0xc0/0xc0 [ 314.866863] ? graph_lock+0x170/0x170 [ 314.870665] ? graph_lock+0x170/0x170 [ 314.874467] ? graph_lock+0x170/0x170 [ 314.878297] ? handle_mm_fault+0x42a/0xc70 [ 314.882540] ? lock_downgrade+0x900/0x900 [ 314.886694] ? check_preemption_disabled+0x48/0x200 [ 314.891724] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.897526] ? kasan_check_read+0x11/0x20 [ 314.901679] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.906968] ? rcu_bh_qs+0xc0/0xc0 [ 314.910512] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.915977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.921526] ? check_preemption_disabled+0x48/0x200 [ 314.926564] handle_mm_fault+0x54f/0xc70 [ 314.930643] ? __handle_mm_fault+0x53e0/0x53e0 [ 314.935235] ? find_vma+0x34/0x190 [ 314.938788] __do_page_fault+0x67d/0xed0 [ 314.942871] ? mm_fault_error+0x380/0x380 [ 314.947024] ? trace_hardirqs_off+0xb8/0x300 [ 314.951450] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.956828] ? trace_hardirqs_on+0x310/0x310 [ 314.961249] do_page_fault+0xf2/0x7e0 [ 314.965060] ? vmalloc_sync_all+0x30/0x30 [ 314.969211] ? error_entry+0x70/0xd0 [ 314.972939] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.977964] ? trace_hardirqs_on_caller+0xc0/0x300 [ 314.982898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.987837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.992690] ? trace_hardirqs_off+0x300/0x300 [ 314.997194] ? trace_hardirqs_off_caller+0x300/0x300 [ 315.002320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.007868] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.012894] ? page_fault+0x8/0x30 [ 315.016449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.021305] ? page_fault+0x8/0x30 [ 315.024852] page_fault+0x1e/0x30 [ 315.028308] RIP: 0033:0x407e06 [ 315.031503] Code: Bad RIP value. [ 315.034867] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 315.040235] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 315.047507] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 315.054778] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 315.062050] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 315.069325] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 315.076634] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 315.076637] Mem-Info: [ 315.076665] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 315.076665] active_file:16 inactive_file:17 isolated_file:1 [ 315.076665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.076665] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 315.076665] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 315.076665] free:13718 free_pcp:223 free_cma:0 [ 315.083833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.083841] Call Trace: [ 315.086287] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 315.119143] [ 315.128513] Node 0 [ 315.131098] dump_stack+0x1c4/0x2b4 [ 315.158780] 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 [ 315.160915] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.163119] lowmem_reserve[]: [ 315.166748] warn_alloc.cold.118+0xb7/0x1bd [ 315.192233] 0 [ 315.197448] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.200514] 2817 [ 315.204833] ? lock_downgrade+0x900/0x900 [ 315.206612] 6321 [ 315.211463] ? trace_hardirqs_off+0xb8/0x300 [ 315.213499] 6321 [ 315.217642] ? trace_hardirqs_off+0xb8/0x300 [ 315.224086] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.226130] Node 0 [ 315.230556] ? warn_alloc+0x120/0x120 [ 315.235373] DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 315.237586] ? warn_alloc+0x120/0x120 [ 315.241353] lowmem_reserve[]: 0 [ 315.268095] ? print_usage_bug+0xc0/0xc0 [ 315.271862] 0 3503 [ 315.275149] ? warn_alloc+0x120/0x120 [ 315.279180] 3503 [ 315.281429] ? print_usage_bug+0xc0/0xc0 [ 315.285200] Node 0 [ 315.287256] ? __lock_acquire+0x7ec/0x4ec0 [ 315.291335] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 315.293541] ? __lock_acquire+0x7ec/0x4ec0 [ 315.297744] lowmem_reserve[]: 0 [ 315.326132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.330337] 0 [ 315.333611] ? should_fail+0x22d/0xd01 [ 315.339115] 0 [ 315.340915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.344764] 0 [ 315.346568] ? __lock_acquire+0x7ec/0x4ec0 [ 315.351648] Node 0 [ 315.353469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.357669] DMA: 1*4kB [ 315.359908] ? __lock_acquire+0x7ec/0x4ec0 [ 315.364981] (U) 0*8kB [ 315.367913] ? should_fail+0x22d/0xd01 [ 315.367939] ? mark_held_locks+0x130/0x130 [ 315.372157] 0*16kB [ 315.374647] ? mark_held_locks+0x130/0x130 [ 315.378506] 1*32kB [ 315.382746] ? graph_lock+0x170/0x170 [ 315.384958] (U) [ 315.389183] ? graph_lock+0x170/0x170 [ 315.391395] 2*64kB [ 315.395183] ? graph_lock+0x170/0x170 [ 315.397136] (U) [ 315.400930] ? print_usage_bug+0xc0/0xc0 [ 315.403148] 1*128kB [ 315.406942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.406958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.408916] (U) [ 315.412979] ? check_preemption_disabled+0x48/0x200 [ 315.415277] 1*256kB [ 315.420809] ? check_preemption_disabled+0x48/0x200 [ 315.426330] (U) 0*512kB [ 315.428323] ? __lock_is_held+0xb5/0x140 [ 315.433299] 1*1024kB (U) [ 315.435637] __alloc_pages_nodemask+0xa80/0xde0 [ 315.440616] 1*2048kB (M) [ 315.443291] ? graph_lock+0x170/0x170 [ 315.447320] 3*4096kB (M) [ 315.450085] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.454719] = 15908kB [ 315.454728] Node 0 [ 315.457479] ? graph_lock+0x170/0x170 [ 315.461251] DMA32: [ 315.464019] ? find_held_lock+0x36/0x1c0 [ 315.469003] 2*4kB [ 315.471416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.473626] (M) [ 315.477440] ? lock_downgrade+0x900/0x900 [ 315.479638] 0*8kB 3*16kB [ 315.483708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.485826] (M) [ 315.490489] cache_grow_begin+0x91/0x8c0 [ 315.492438] 1*32kB (M) [ 315.496590] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.499315] 2*64kB (M) [ 315.504861] fallback_alloc+0x203/0x2e0 [ 315.506799] 4*128kB (UM) [ 315.510865] ____cache_alloc_node+0x1c7/0x1e0 [ 315.513416] 3*256kB (UM) 4*512kB [ 315.517855] kmem_cache_alloc_node+0xe3/0x730 [ 315.520409] (UM) [ 315.524393] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.527122] 3*1024kB [ 315.531616] __alloc_skb+0x119/0x770 [ 315.535029] (M) 3*2048kB [ 315.539531] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.541559] (UM) 3*4096kB [ 315.545798] ? skb_scrub_packet+0x490/0x490 [ 315.548178] (M) = 25048kB [ 315.551897] ? lock_downgrade+0x900/0x900 [ 315.554626] Node 0 [ 315.559900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.562719] Normal: [ 315.567037] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.569769] 865*4kB [ 315.573908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.576120] (UMEH) [ 315.581654] ? addrconf_rs_timer+0x6f0/0x6f0 [ 315.583951] 401*8kB (UMEH) [ 315.589499] ndisc_alloc_skb+0x144/0x340 [ 315.591783] 165*16kB (UMEH) [ 315.597238] ndisc_send_rs+0x331/0x6e0 [ 315.599457] 83*32kB [ 315.603858] addrconf_rs_timer+0x3c0/0x6f0 [ 315.606760] (UMEH) [ 315.610816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.613807] 31*64kB [ 315.617700] call_timer_fn+0x272/0x920 [ 315.619988] (UMH) [ 315.624219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.626434] 0*128kB 0*256kB [ 315.630672] ? process_timeout+0x40/0x40 [ 315.632969] 0*512kB [ 315.636850] ? find_held_lock+0x36/0x1c0 [ 315.638974] 0*1024kB [ 315.643208] ? __run_timers+0x7da/0xc70 [ 315.646197] 0*2048kB [ 315.650250] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.652549] 0*4096kB [ 315.656605] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.658992] = 13948kB [ 315.662960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.665353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.669836] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.672226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.676708] ? trace_hardirqs_on+0xbd/0x310 [ 315.679094] 413 total pagecache pages [ 315.683325] ? kasan_check_read+0x11/0x20 [ 315.692141] 0 pages in swap cache [ 315.696722] ? __run_timers+0x7da/0xc70 [ 315.705274] Swap cache stats: add 0, delete 0, find 0/0 [ 315.709588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.713369] Free swap = 0kB [ 315.713378] Total swap = 0kB [ 315.717534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.720962] 1965979 pages RAM [ 315.724930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.730273] 0 pages HighMem/MovableOnly [ 315.735719] __run_timers+0x7e5/0xc70 [ 315.738702] 342744 pages reserved [ 315.738710] 0 pages cma reserved [ 315.741736] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.746006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.749042] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.753310] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.757219] ? graph_lock+0x170/0x170 [ 315.760995] syz-fuzzer cpuset= [ 315.764454] ? enqueue_hrtimer+0x1a5/0x560 [ 315.767790] / [ 315.773142] ? lock_release+0x970/0x970 [ 315.773158] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.779630] mems_allowed=0 [ 315.784642] ? find_held_lock+0x36/0x1c0 [ 315.823849] ? graph_lock+0x170/0x170 [ 315.827653] ? pvclock_read_flags+0x160/0x160 [ 315.832153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.837695] ? check_preemption_disabled+0x48/0x200 [ 315.842723] ? __lock_is_held+0xb5/0x140 [ 315.846790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.852337] ? check_preemption_disabled+0x48/0x200 [ 315.857366] run_timer_softirq+0x52/0xb0 [ 315.861455] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.866481] __do_softirq+0x30b/0xad8 [ 315.870300] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.875414] ? pvclock_read_flags+0x160/0x160 [ 315.879926] ? lapic_next_event+0x5a/0x90 [ 315.884077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.889616] ? check_preemption_disabled+0x48/0x200 [ 315.894632] ? check_preemption_disabled+0x48/0x200 [ 315.899657] ? kvm_clock_read+0x18/0x30 [ 315.903637] ? kvm_sched_clock_read+0x9/0x20 [ 315.908051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.913591] ? check_preemption_disabled+0x48/0x200 [ 315.918623] irq_exit+0x17f/0x1c0 [ 315.922080] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.926924] ? smp_reschedule_interrupt+0x109/0x650 [ 315.931943] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.937827] ? interrupt_entry+0xb5/0xf0 [ 315.941895] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.946914] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.951933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.956780] ? trace_hardirqs_off+0x300/0x300 [ 315.961278] ? trace_hardirqs_off+0x300/0x300 [ 315.965774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.971318] ? check_preemption_disabled+0x48/0x200 [ 315.976336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.981886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.986742] apic_timer_interrupt+0xf/0x20 [ 315.990971] [ 315.993215] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.998145] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 316.017052] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 316.024761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 316.032031] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 316.039301] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 316.046566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 316.053835] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 316.061154] skb_clone+0x1bb/0x500 [ 316.064701] ? finish_task_switch+0x1b5/0x900 [ 316.069200] ? skb_split+0x11e0/0x11e0 [ 316.073094] ? preempt_notifier_register+0x200/0x200 [ 316.078203] ? __switch_to_asm+0x34/0x70 [ 316.082272] ? __switch_to_asm+0x34/0x70 [ 316.086336] ? __switch_to_asm+0x40/0x70 [ 316.090400] ? __switch_to_asm+0x34/0x70 [ 316.094472] ? __switch_to_asm+0x40/0x70 [ 316.098537] ? __switch_to_asm+0x34/0x70 [ 316.102596] ? __switch_to_asm+0x40/0x70 [ 316.106654] ? __switch_to_asm+0x34/0x70 [ 316.110716] ? __switch_to_asm+0x34/0x70 [ 316.114776] ? __switch_to_asm+0x40/0x70 [ 316.118834] ? __switch_to_asm+0x34/0x70 [ 316.122908] bpf_clone_redirect+0xb9/0x490 [ 316.127150] ? __schedule+0x874/0x1ed0 [ 316.131047] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 316.136071] ? __sched_text_start+0x8/0x8 [ 316.140222] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.144996] ? find_held_lock+0x36/0x1c0 [ 316.149063] ? lock_acquire+0x1ed/0x520 [ 316.153041] ? bpf_test_run+0x32e/0x5a0 [ 316.157020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.162559] ? check_preemption_disabled+0x48/0x200 [ 316.167582] ? kasan_check_read+0x11/0x20 [ 316.171734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.177011] ? rcu_bh_qs+0xc0/0xc0 [ 316.180557] ? preempt_schedule+0x4d/0x60 [ 316.184705] ? ___preempt_schedule+0x16/0x18 [ 316.189126] ? bpf_test_run+0x1c0/0x5a0 [ 316.193118] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.197548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.203084] ? bpf_test_init.isra.9+0x70/0x100 [ 316.207678] ? bpf_prog_test_run_skb+0x634/0xb40 [ 316.212460] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.217308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.222844] ? fput+0x130/0x1a0 [ 316.226131] ? __bpf_prog_get+0x9b/0x290 [ 316.230199] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.235040] ? bpf_prog_test_run+0x130/0x1a0 [ 316.239467] ? __x64_sys_bpf+0x3d8/0x510 [ 316.243533] ? bpf_prog_get+0x20/0x20 [ 316.247343] ? ksys_ioctl+0x81/0xd0 [ 316.250987] ? do_syscall_64+0x1b9/0x820 [ 316.255051] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.260441] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.265383] ? trace_hardirqs_off+0x300/0x300 [ 316.269881] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.274903] ? recalc_sigpending_tsk+0x180/0x180 [ 316.279663] ? kasan_check_write+0x14/0x20 [ 316.283913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.288768] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.294153] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 316.294225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.301082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.301091] Call Trace: [ 316.307671] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.317200] [ 316.319779] syz-executor0 cpuset= [ 316.330263] dump_stack+0x1c4/0x2b4 [ 316.332387] syz0 [ 316.335834] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.339442] mems_allowed=0 [ 316.341419] warn_alloc.cold.118+0xb7/0x1bd [ 316.353826] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.358684] ? lock_downgrade+0x900/0x900 [ 316.362847] ? trace_hardirqs_off+0xb8/0x300 [ 316.367272] ? trace_hardirqs_off+0xb8/0x300 [ 316.371694] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.376582] ? warn_alloc+0x120/0x120 [ 316.380391] ? warn_alloc+0x120/0x120 [ 316.384205] ? print_usage_bug+0xc0/0xc0 [ 316.388272] ? warn_alloc+0x120/0x120 [ 316.392082] ? print_usage_bug+0xc0/0xc0 [ 316.396151] ? __lock_acquire+0x7ec/0x4ec0 [ 316.400388] ? __lock_acquire+0x7ec/0x4ec0 [ 316.404638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.410179] ? should_fail+0x22d/0xd01 [ 316.414075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.419178] ? __lock_acquire+0x7ec/0x4ec0 [ 316.423428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.428532] ? __lock_acquire+0x7ec/0x4ec0 [ 316.432764] ? should_fail+0x22d/0xd01 [ 316.436665] ? mark_held_locks+0x130/0x130 [ 316.440904] ? mark_held_locks+0x130/0x130 [ 316.445622] ? graph_lock+0x170/0x170 [ 316.449435] ? graph_lock+0x170/0x170 [ 316.453242] ? graph_lock+0x170/0x170 [ 316.457045] ? print_usage_bug+0xc0/0xc0 [ 316.461109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.466648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.472190] ? check_preemption_disabled+0x48/0x200 [ 316.477206] ? check_preemption_disabled+0x48/0x200 [ 316.482238] ? __lock_is_held+0xb5/0x140 [ 316.486309] __alloc_pages_nodemask+0xa80/0xde0 [ 316.490982] ? graph_lock+0x170/0x170 [ 316.494789] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.499804] ? graph_lock+0x170/0x170 [ 316.503618] ? find_held_lock+0x36/0x1c0 [ 316.507692] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.512369] ? lock_downgrade+0x900/0x900 [ 316.516526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.522075] cache_grow_begin+0x91/0x8c0 [ 316.526143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.530563] fallback_alloc+0x203/0x2e0 [ 316.534553] ____cache_alloc_node+0x1c7/0x1e0 [ 316.539059] kmem_cache_alloc_node+0xe3/0x730 [ 316.543559] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.547814] __alloc_skb+0x119/0x770 [ 316.551536] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.556824] ? skb_scrub_packet+0x490/0x490 [ 316.561154] ? lock_downgrade+0x900/0x900 [ 316.565317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.570861] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.576322] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.581781] ? addrconf_rs_timer+0x6f0/0x6f0 [ 316.586210] ndisc_alloc_skb+0x144/0x340 [ 316.590285] ndisc_send_rs+0x331/0x6e0 [ 316.594192] addrconf_rs_timer+0x3c0/0x6f0 [ 316.598446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.602699] call_timer_fn+0x272/0x920 [ 316.606592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.610838] ? process_timeout+0x40/0x40 [ 316.614903] ? find_held_lock+0x36/0x1c0 [ 316.618980] ? mark_held_locks+0xc7/0x130 [ 316.623141] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.627638] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.632135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.636377] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.640970] ? trace_hardirqs_on+0xbd/0x310 [ 316.645298] ? kasan_check_read+0x11/0x20 [ 316.649457] ? __run_timers+0x7da/0xc70 [ 316.653447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.658908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.663157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.667399] __run_timers+0x7e5/0xc70 [ 316.671226] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.676599] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.681620] ? graph_lock+0x170/0x170 [ 316.685435] ? print_usage_bug+0xc0/0xc0 [ 316.689500] ? lock_release+0x970/0x970 [ 316.693490] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.698704] ? find_held_lock+0x36/0x1c0 [ 316.702776] ? graph_lock+0x170/0x170 [ 316.706583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.712131] ? check_preemption_disabled+0x48/0x200 [ 316.717165] ? __lock_is_held+0xb5/0x140 [ 316.721229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.726775] ? check_preemption_disabled+0x48/0x200 [ 316.731808] run_timer_softirq+0x52/0xb0 [ 316.735873] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.740901] __do_softirq+0x30b/0xad8 [ 316.744727] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.749839] ? pvclock_read_flags+0x160/0x160 [ 316.754336] ? lapic_next_event+0x5a/0x90 [ 316.758488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.764035] ? check_preemption_disabled+0x48/0x200 [ 316.769055] ? check_preemption_disabled+0x48/0x200 [ 316.774083] ? kvm_clock_read+0x18/0x30 [ 316.778059] ? kvm_sched_clock_read+0x9/0x20 [ 316.782476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.788022] ? check_preemption_disabled+0x48/0x200 [ 316.793056] irq_exit+0x17f/0x1c0 [ 316.796516] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.801366] ? smp_reschedule_interrupt+0x109/0x650 [ 316.806387] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.812279] ? interrupt_entry+0xb5/0xf0 [ 316.816350] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.821368] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.826385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.831232] ? trace_hardirqs_off+0x300/0x300 [ 316.835727] ? trace_hardirqs_off+0x300/0x300 [ 316.840256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.845799] ? check_preemption_disabled+0x48/0x200 [ 316.850817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.856371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.861226] apic_timer_interrupt+0xf/0x20 [ 316.865457] [ 316.867695] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 316.872971] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 316.891882] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 316.899624] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 316.906896] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 316.914169] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 316.921447] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 316.928717] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 316.936014] ? arch_local_irq_restore+0x45/0x52 [ 316.940695] dump_stack+0x26a/0x2b4 [ 316.944333] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.949531] ? mark_held_locks+0x130/0x130 [ 316.953765] ? mark_held_locks+0x130/0x130 [ 316.958007] dump_header+0x27b/0xf72 [ 316.961752] ? pagefault_out_of_memory+0x197/0x197 [ 316.966687] ? mark_held_locks+0x130/0x130 [ 316.970928] ? __lock_acquire+0x7ec/0x4ec0 [ 316.975181] ? mem_cgroup_charge_statistics+0x780/0x780 [ 316.980550] ? print_usage_bug+0xc0/0xc0 [ 316.984644] ? print_usage_bug+0xc0/0xc0 [ 316.988715] ? graph_lock+0x170/0x170 [ 316.992514] ? graph_lock+0x170/0x170 [ 316.996318] ? print_usage_bug+0xc0/0xc0 [ 317.000375] ? print_usage_bug+0xc0/0xc0 [ 317.004452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.010001] ? find_held_lock+0x36/0x1c0 [ 317.014073] ? mark_held_locks+0xc7/0x130 [ 317.018226] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.023330] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.028444] ? lockdep_hardirqs_on+0x421/0x5c0 [ 317.033035] ? trace_hardirqs_on+0xbd/0x310 [ 317.037359] ? kasan_check_read+0x11/0x20 [ 317.041520] ? ___ratelimit+0x36f/0x655 [ 317.045497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.050956] ? trace_hardirqs_on+0x310/0x310 [ 317.055369] ? lock_downgrade+0x900/0x900 [ 317.059529] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 317.064639] ? ___ratelimit+0xaa/0x655 [ 317.068533] ? idr_get_free+0xec0/0xec0 [ 317.072511] ? kasan_check_write+0x14/0x20 [ 317.076752] ? do_raw_spin_lock+0xc1/0x200 [ 317.080997] oom_kill_process.cold.27+0x10/0x903 [ 317.085763] ? graph_lock+0x170/0x170 [ 317.089570] ? _raw_spin_unlock+0x2c/0x50 [ 317.093717] ? oom_badness+0xe6/0xaa0 [ 317.097530] ? oom_evaluate_task+0x540/0x540 [ 317.101948] ? find_held_lock+0x36/0x1c0 [ 317.106018] ? out_of_memory+0x974/0x14c0 [ 317.110171] ? lock_downgrade+0x900/0x900 [ 317.114325] ? check_preemption_disabled+0x48/0x200 [ 317.119352] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.125155] ? kasan_check_read+0x11/0x20 [ 317.129309] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.134589] ? rcu_bh_qs+0xc0/0xc0 [ 317.138134] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.143152] ? oom_evaluate_task+0x302/0x540 [ 317.147565] out_of_memory+0xa86/0x14c0 [ 317.151552] ? oom_killer_disable+0x3a0/0x3a0 [ 317.156049] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 317.160988] ? __mutex_add_waiter+0x2a0/0x2a0 [ 317.165497] __alloc_pages_slowpath+0x2318/0x2d80 [ 317.170374] ? warn_alloc+0x120/0x120 [ 317.174195] ? find_get_entry+0x2f2/0xc40 [ 317.178359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.183899] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 317.188834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.194375] ? should_fail+0x22d/0xd01 [ 317.198272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.203377] ? __lock_is_held+0xb5/0x140 [ 317.207476] ? __lock_is_held+0xb5/0x140 [ 317.211548] ? find_held_lock+0x36/0x1c0 [ 317.215613] ? ___might_sleep+0x1ed/0x300 [ 317.219759] ? lock_release+0x970/0x970 [ 317.223739] ? arch_local_save_flags+0x40/0x40 [ 317.228340] ? __might_sleep+0x95/0x190 [ 317.232323] __alloc_pages_nodemask+0xa80/0xde0 [ 317.237007] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 317.242032] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.247833] ? kasan_check_read+0x11/0x20 [ 317.251993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.257280] ? graph_lock+0x170/0x170 [ 317.261090] ? print_usage_bug+0xc0/0xc0 [ 317.265160] ? graph_lock+0x170/0x170 [ 317.268973] ? graph_lock+0x170/0x170 [ 317.272777] ? __do_page_cache_readahead+0x7ce/0x980 [ 317.277887] ? find_held_lock+0x36/0x1c0 [ 317.281965] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.287512] alloc_pages_current+0x10c/0x210 [ 317.291922] ? lock_downgrade+0x900/0x900 [ 317.296088] __page_cache_alloc+0x38f/0x5b0 [ 317.300413] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.306221] ? kasan_check_read+0x11/0x20 [ 317.310372] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.315658] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 317.320328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.325868] ? check_preemption_disabled+0x48/0x200 [ 317.330896] filemap_fault+0x1594/0x25f0 [ 317.334980] ? __lock_page_or_retry+0xa00/0xa00 [ 317.339652] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.345458] ? kasan_check_read+0x11/0x20 [ 317.349615] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.354894] ? rcu_bh_qs+0xc0/0xc0 [ 317.358458] ? filemap_map_pages+0xdea/0x1980 [ 317.362983] ? find_get_pages_range_tag+0x1320/0x1320 [ 317.368180] ? do_raw_spin_lock+0xc1/0x200 [ 317.372415] ? graph_lock+0x170/0x170 [ 317.376232] ? futex_wait_setup+0x266/0x3e0 [ 317.380578] ? lock_acquire+0x1ed/0x520 [ 317.384559] ? ext4_filemap_fault+0x7a/0xad [ 317.388888] ? lock_release+0x970/0x970 [ 317.392862] ? arch_local_save_flags+0x40/0x40 [ 317.397454] ? futex_wait_setup+0x3e0/0x3e0 [ 317.401779] ? print_usage_bug+0xc0/0xc0 [ 317.405857] ? down_read+0xb0/0x1d0 [ 317.409483] ? ext4_filemap_fault+0x7a/0xad [ 317.413808] ? __down_interruptible+0x700/0x700 [ 317.418502] ? find_held_lock+0x36/0x1c0 [ 317.422576] ext4_filemap_fault+0x82/0xad [ 317.426732] __do_fault+0x100/0x6b0 [ 317.430365] ? lock_downgrade+0x900/0x900 [ 317.434514] ? print_bad_pte+0x6c0/0x6c0 [ 317.438577] ? do_futex+0x249/0x26d0 [ 317.442309] ? kasan_check_read+0x11/0x20 [ 317.446465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.450875] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 317.455464] ? add_mm_counter_fast+0xd0/0xd0 [ 317.459888] __handle_mm_fault+0x3709/0x53e0 [ 317.464309] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 317.469152] ? __fpu__restore_sig+0x62f/0x1680 [ 317.473735] ? graph_lock+0x170/0x170 [ 317.477542] ? print_usage_bug+0xc0/0xc0 [ 317.481617] ? graph_lock+0x170/0x170 [ 317.485431] ? graph_lock+0x170/0x170 [ 317.489237] ? graph_lock+0x170/0x170 [ 317.493063] ? handle_mm_fault+0x42a/0xc70 [ 317.497299] ? lock_downgrade+0x900/0x900 [ 317.501458] ? check_preemption_disabled+0x48/0x200 [ 317.506486] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.512290] ? kasan_check_read+0x11/0x20 [ 317.516449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.521729] ? rcu_bh_qs+0xc0/0xc0 [ 317.525270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.530722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.536262] ? check_preemption_disabled+0x48/0x200 [ 317.541289] handle_mm_fault+0x54f/0xc70 [ 317.545362] ? __handle_mm_fault+0x53e0/0x53e0 [ 317.549960] ? find_vma+0x34/0x190 [ 317.553511] __do_page_fault+0x67d/0xed0 [ 317.557584] ? mm_fault_error+0x380/0x380 [ 317.561736] ? trace_hardirqs_off+0xb8/0x300 [ 317.566155] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.571525] ? trace_hardirqs_on+0x310/0x310 [ 317.575945] do_page_fault+0xf2/0x7e0 [ 317.579753] ? vmalloc_sync_all+0x30/0x30 [ 317.583913] ? error_entry+0x70/0xd0 [ 317.587632] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.592652] ? trace_hardirqs_on_caller+0xc0/0x300 [ 317.597588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.602521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.607367] ? trace_hardirqs_off+0x300/0x300 [ 317.612126] ? trace_hardirqs_off_caller+0x300/0x300 [ 317.617242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.622785] ? prepare_exit_to_usermode+0x291/0x3b0 [ 317.627808] ? page_fault+0x8/0x30 [ 317.631354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.636205] ? page_fault+0x8/0x30 [ 317.639748] page_fault+0x1e/0x30 [ 317.643203] RIP: 0033:0x407e06 [ 317.646398] Code: Bad RIP value. [ 317.649767] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 317.655131] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 317.662399] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 317.669674] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 317.676949] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 317.684220] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 317.691526] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 317.691531] warn_alloc_show_mem: 1 callbacks suppressed [ 317.691538] Mem-Info: [ 317.698727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.704096] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 317.704096] active_file:16 inactive_file:17 isolated_file:1 [ 317.704096] unevictable:0 dirty:0 writeback:0 unstable:0 [ 317.704096] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 317.704096] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 317.704096] free:13718 free_pcp:223 free_cma:0 [ 317.706475] Call Trace: [ 317.715861] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 317.748744] [ 317.751320] Node 0 [ 317.779002] dump_stack+0x1c4/0x2b4 [ 317.781152] 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 [ 317.783363] ? dump_stack_print_info.cold.2+0x52/0x52 [ 317.786959] lowmem_reserve[]: 0 [ 317.812495] warn_alloc.cold.118+0xb7/0x1bd [ 317.817653] 2817 6321 [ 317.820942] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 317.825235] 6321 [ 317.827726] ? lock_downgrade+0x900/0x900 [ 317.834620] ? trace_hardirqs_off+0xb8/0x300 [ 317.838737] Node 0 DMA32 free:25048kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 317.843168] ? trace_hardirqs_off+0xb8/0x300 [ 317.843193] __alloc_pages_slowpath+0x2667/0x2d80 [ 317.870487] lowmem_reserve[]: 0 [ 317.874944] ? warn_alloc+0x120/0x120 [ 317.879726] 0 [ 317.883003] ? trace_hardirqs_on+0x310/0x310 [ 317.886764] 3503 3503 [ 317.888573] ? warn_alloc+0x120/0x120 [ 317.895454] ? print_usage_bug+0xc0/0xc0 [ 317.899224] Node 0 [ 317.903277] ? warn_alloc+0x120/0x120 [ 317.903309] Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:2408kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB [ 317.903316] lowmem_reserve[]: [ 317.905554] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 317.909319] 0 0 [ 317.937690] ? print_usage_bug+0xc0/0xc0 [ 317.940770] 0 [ 317.945778] ? __lock_acquire+0x7ec/0x4ec0 [ 317.947729] 0 [ 317.951783] ? __lock_acquire+0x7ec/0x4ec0 [ 317.953561] Node 0 [ 317.957790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.959561] DMA: 1*4kB [ 317.963800] ? should_fail+0x22d/0xd01 [ 317.966008] (U) [ 317.971541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.974096] 0*8kB 0*16kB [ 317.977985] ? __lock_acquire+0x7ec/0x4ec0 [ 317.979938] 1*32kB [ 317.985027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.987756] (U) [ 317.991984] ? __lock_acquire+0x7ec/0x4ec0 [ 317.994196] 2*64kB [ 317.999293] ? should_fail+0x22d/0xd01 [ 318.001243] (U) [ 318.005470] ? print_usage_bug+0xc0/0xc0 [ 318.007695] 1*128kB (U) [ 318.011594] ? mark_held_locks+0x130/0x130 [ 318.013538] 1*256kB [ 318.017615] ? mark_held_locks+0x130/0x130 [ 318.020258] (U) [ 318.024502] ? graph_lock+0x170/0x170 [ 318.026795] 0*512kB [ 318.031022] ? print_usage_bug+0xc0/0xc0 [ 318.032976] 1*1024kB [ 318.036769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.039069] (U) [ 318.043145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.045527] 1*2048kB (M) [ 318.050288] ? check_preemption_disabled+0x48/0x200 [ 318.052229] 3*4096kB (M) [ 318.057775] ? check_preemption_disabled+0x48/0x200 [ 318.060503] = 15908kB [ 318.065523] ? __lock_is_held+0xb5/0x140 [ 318.068249] Node 0 [ 318.073263] __alloc_pages_nodemask+0xa80/0xde0 [ 318.075643] DMA32: [ 318.079701] ? graph_lock+0x170/0x170 [ 318.081912] 2*4kB [ 318.086574] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.088781] (M) [ 318.092574] ? graph_lock+0x170/0x170 [ 318.094699] 0*8kB [ 318.099713] ? find_held_lock+0x36/0x1c0 [ 318.101651] 3*16kB (M) [ 318.105472] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.107590] 1*32kB (M) [ 318.111654] ? lock_downgrade+0x900/0x900 [ 318.114206] 2*64kB (M) [ 318.118880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.121438] 4*128kB (UM) [ 318.125599] cache_grow_begin+0x91/0x8c0 [ 318.128148] 3*256kB (UM) [ 318.133687] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.136419] 4*512kB [ 318.140487] fallback_alloc+0x203/0x2e0 [ 318.143218] (UM) [ 318.147622] ____cache_alloc_node+0x1c7/0x1e0 [ 318.149911] 3*1024kB (M) [ 318.153889] kmem_cache_alloc_node+0xe3/0x730 [ 318.155920] 3*2048kB (UM) [ 318.160447] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.163168] 3*4096kB (M) [ 318.167670] __alloc_skb+0x119/0x770 [ 318.170487] = 25048kB [ 318.174714] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.177442] Node 0 Normal: [ 318.181161] ? skb_scrub_packet+0x490/0x490 [ 318.183547] 865*4kB [ 318.188815] ? lock_downgrade+0x900/0x900 [ 318.191721] (UMEH) [ 318.196039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.198329] 401*8kB (UMEH) [ 318.202480] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.204688] 165*16kB [ 318.210219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.213120] (UMEH) [ 318.218564] ? addrconf_rs_timer+0x6f0/0x6f0 [ 318.220950] 83*32kB [ 318.226405] ndisc_alloc_skb+0x144/0x340 [ 318.228610] (UMEH) [ 318.233015] ndisc_send_rs+0x331/0x6e0 [ 318.235310] 31*64kB [ 318.239369] addrconf_rs_timer+0x3c0/0x6f0 [ 318.241574] (UMH) [ 318.245466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.247759] 0*128kB 0*256kB [ 318.252005] call_timer_fn+0x272/0x920 [ 318.254118] 0*512kB [ 318.258349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.261340] 0*1024kB [ 318.265225] ? process_timeout+0x40/0x40 [ 318.267517] 0*2048kB 0*4096kB [ 318.271758] ? find_held_lock+0x36/0x1c0 [ 318.274138] = 13948kB [ 318.278199] ? __run_timers+0x7da/0xc70 [ 318.281363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 318.285410] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.287795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 318.291757] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.300572] 413 total pagecache pages [ 318.305060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.313853] 0 pages in swap cache [ 318.318339] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.322119] Swap cache stats: add 0, delete 0, find 0/0 [ 318.326342] ? trace_hardirqs_on+0xbd/0x310 [ 318.329768] Free swap = 0kB [ 318.334342] ? kasan_check_read+0x11/0x20 [ 318.339673] Total swap = 0kB [ 318.343990] ? __run_timers+0x7da/0xc70 [ 318.346983] 1965979 pages RAM [ 318.351123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.354114] 0 pages HighMem/MovableOnly [ 318.358083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.361154] 342744 pages reserved [ 318.361162] 0 pages cma reserved [ 318.366605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.370618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.374780] __run_timers+0x7e5/0xc70 [ 318.374809] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.374826] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.378322] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.381622] ? graph_lock+0x170/0x170 [ 318.385835] syz-fuzzer cpuset= [ 318.392323] ? enqueue_hrtimer+0x1a5/0x560 [ 318.396097] / [ 318.401463] ? lock_release+0x970/0x970 [ 318.406462] mems_allowed=0 [ 318.416686] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.441646] ? find_held_lock+0x36/0x1c0 [ 318.445930] ? graph_lock+0x170/0x170 [ 318.449738] ? pvclock_read_flags+0x160/0x160 [ 318.454239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.459788] ? check_preemption_disabled+0x48/0x200 [ 318.464824] ? __lock_is_held+0xb5/0x140 [ 318.468893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.474451] ? check_preemption_disabled+0x48/0x200 [ 318.479483] run_timer_softirq+0x52/0xb0 [ 318.483545] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.488567] __do_softirq+0x30b/0xad8 [ 318.492382] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.497492] ? pvclock_read_flags+0x160/0x160 [ 318.501985] ? lapic_next_event+0x5a/0x90 [ 318.506134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.511676] ? check_preemption_disabled+0x48/0x200 [ 318.516691] ? check_preemption_disabled+0x48/0x200 [ 318.521714] ? kvm_clock_read+0x18/0x30 [ 318.525686] ? kvm_sched_clock_read+0x9/0x20 [ 318.530098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.535637] ? check_preemption_disabled+0x48/0x200 [ 318.540681] irq_exit+0x17f/0x1c0 [ 318.544139] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.548987] ? smp_reschedule_interrupt+0x109/0x650 [ 318.554019] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.559913] ? interrupt_entry+0xb5/0xf0 [ 318.563985] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.569012] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.574031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.578878] ? trace_hardirqs_off+0x300/0x300 [ 318.583375] ? trace_hardirqs_off+0x300/0x300 [ 318.587872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.593418] ? check_preemption_disabled+0x48/0x200 [ 318.598467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.604021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.608886] apic_timer_interrupt+0xf/0x20 [ 318.613114] [ 318.615356] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 318.620286] Code: 7e 0f 85 cf fe ff ff e8 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 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 da 44 [ 318.639202] RSP: 0000:ffff8801bbfff748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 318.646936] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.654216] RDX: 0000000000000000 RSI: ffff8801d888eb80 RDI: 0000000000000282 [ 318.661488] RBP: ffff8801bbfff7b0 R08: ffff8801d888e300 R09: 0000000000000000 [ 318.668757] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 318.676028] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 318.683350] skb_clone+0x1bb/0x500 [ 318.686900] ? finish_task_switch+0x1b5/0x900 [ 318.691399] ? skb_split+0x11e0/0x11e0 [ 318.695304] ? preempt_notifier_register+0x200/0x200 [ 318.700411] ? __switch_to_asm+0x34/0x70 [ 318.704486] ? __switch_to_asm+0x34/0x70 [ 318.708547] ? __switch_to_asm+0x40/0x70 [ 318.712606] ? __switch_to_asm+0x34/0x70 [ 318.716671] ? __switch_to_asm+0x40/0x70 [ 318.720733] ? __switch_to_asm+0x34/0x70 [ 318.724798] ? __switch_to_asm+0x40/0x70 [ 318.728863] ? __switch_to_asm+0x34/0x70 [ 318.732925] ? __switch_to_asm+0x34/0x70 [ 318.736988] ? __switch_to_asm+0x40/0x70 [ 318.741047] ? __switch_to_asm+0x34/0x70 [ 318.745120] bpf_clone_redirect+0xb9/0x490 [ 318.749360] ? __schedule+0x874/0x1ed0 [ 318.753263] bpf_prog_79bab0a1566dd526+0x721/0x1000 [ 318.758291] ? __sched_text_start+0x8/0x8 [ 318.762459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.767236] ? find_held_lock+0x36/0x1c0 [ 318.771310] ? lock_acquire+0x1ed/0x520 [ 318.775288] ? bpf_test_run+0x32e/0x5a0 [ 318.779269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.784814] ? check_preemption_disabled+0x48/0x200 [ 318.789842] ? kasan_check_read+0x11/0x20 [ 318.793993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.799279] ? rcu_bh_qs+0xc0/0xc0 [ 318.802831] ? preempt_schedule+0x4d/0x60 [ 318.806987] ? ___preempt_schedule+0x16/0x18 [ 318.811407] ? bpf_test_run+0x1c0/0x5a0 [ 318.815413] ? netlink_diag_dump+0x2a0/0x2a0 [ 318.819844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.825386] ? bpf_test_init.isra.9+0x70/0x100 [ 318.829979] ? bpf_prog_test_run_skb+0x634/0xb40 [ 318.834749] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.839615] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.845162] ? fput+0x130/0x1a0 [ 318.848464] ? __bpf_prog_get+0x9b/0x290 [ 318.852533] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.857379] ? bpf_prog_test_run+0x130/0x1a0 [ 318.861794] ? __x64_sys_bpf+0x3d8/0x510 [ 318.865968] ? bpf_prog_get+0x20/0x20 [ 318.869782] ? ksys_ioctl+0x81/0xd0 [ 318.873431] ? do_syscall_64+0x1b9/0x820 [ 318.877502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 318.882871] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.887805] ? trace_hardirqs_off+0x300/0x300 [ 318.892307] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 318.897336] ? recalc_sigpending_tsk+0x180/0x180 [ 318.902104] ? kasan_check_write+0x14/0x20 [ 318.906350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.911206] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 318.916594] CPU: 1 PID: 5324 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53 [ 318.916664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.923528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.923537] Call Trace: [ 318.930127] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.939351] [ 318.941917] syz-executor0 cpuset= [ 318.952400] dump_stack+0x1c4/0x2b4 [ 318.954521] syz0 [ 318.957970] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.961576] mems_allowed=0 [ 318.963552] warn_alloc.cold.118+0xb7/0x1bd [ 318.975944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.980792] ? lock_downgrade+0x900/0x900 [ 318.984955] ? trace_hardirqs_off+0xb8/0x300 [ 318.989371] ? trace_hardirqs_off+0xb8/0x300 [ 318.993796] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.998675] ? warn_alloc+0x120/0x120 [ 319.002487] ? warn_alloc+0x120/0x120 [ 319.006290] ? print_usage_bug+0xc0/0xc0 [ 319.010355] ? warn_alloc+0x120/0x120 [ 319.014157] ? print_usage_bug+0xc0/0xc0 [ 319.018223] ? __lock_acquire+0x7ec/0x4ec0 [ 319.022461] ? __lock_acquire+0x7ec/0x4ec0 [ 319.026701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.032242] ? should_fail+0x22d/0xd01 [ 319.036134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.041236] ? __lock_acquire+0x7ec/0x4ec0 [ 319.045489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.050591] ? __lock_acquire+0x7ec/0x4ec0 [ 319.054827] ? should_fail+0x22d/0xd01 [ 319.058726] ? mark_held_locks+0x130/0x130 [ 319.062971] ? mark_held_locks+0x130/0x130 [ 319.067209] ? graph_lock+0x170/0x170 [ 319.071009] ? graph_lock+0x170/0x170 [ 319.074816] ? graph_lock+0x170/0x170 [ 319.078614] ? print_usage_bug+0xc0/0xc0 [ 319.082675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.088213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.093753] ? check_preemption_disabled+0x48/0x200 [ 319.098773] ? check_preemption_disabled+0x48/0x200 [ 319.103805] ? __lock_is_held+0xb5/0x140 [ 319.107873] __alloc_pages_nodemask+0xa80/0xde0 [ 319.112557] ? graph_lock+0x170/0x170 [ 319.116367] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.121411] ? graph_lock+0x170/0x170 [ 319.125234] ? find_held_lock+0x36/0x1c0 [ 319.129311] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.133981] ? lock_downgrade+0x900/0x900 [ 319.138136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.143769] cache_grow_begin+0x91/0x8c0 [ 319.147849] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.152266] fallback_alloc+0x203/0x2e0 [ 319.156254] ____cache_alloc_node+0x1c7/0x1e0 [ 319.160761] kmem_cache_alloc_node+0xe3/0x730 [ 319.165263] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.169532] __alloc_skb+0x119/0x770 [ 319.173255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.178544] ? skb_scrub_packet+0x490/0x490 [ 319.182866] ? lock_downgrade+0x900/0x900 [ 319.187033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.192576] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.198032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.203484] ? addrconf_rs_timer+0x6f0/0x6f0 [ 319.207909] ndisc_alloc_skb+0x144/0x340 [ 319.211991] ndisc_send_rs+0x331/0x6e0 [ 319.215888] addrconf_rs_timer+0x3c0/0x6f0 [ 319.220133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.224382] call_timer_fn+0x272/0x920 [ 319.228268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.232505] ? process_timeout+0x40/0x40 [ 319.236569] ? find_held_lock+0x36/0x1c0 [ 319.240644] ? mark_held_locks+0xc7/0x130 [ 319.244797] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.249294] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.253792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.258034] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 319.262621] ? trace_hardirqs_on+0xbd/0x310 [ 319.266953] ? kasan_check_read+0x11/0x20 [ 319.271107] ? __run_timers+0x7da/0xc70 [ 319.275083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.280554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.284798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.289036] __run_timers+0x7e5/0xc70 [ 319.292853] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.298220] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.303237] ? graph_lock+0x170/0x170 [ 319.307043] ? print_usage_bug+0xc0/0xc0 [ 319.311107] ? lock_release+0x970/0x970 [ 319.315082] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.320282] ? find_held_lock+0x36/0x1c0 [ 319.324349] ? graph_lock+0x170/0x170 [ 319.328155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.333698] ? check_preemption_disabled+0x48/0x200 [ 319.338732] ? __lock_is_held+0xb5/0x140 [ 319.342800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.348340] ? check_preemption_disabled+0x48/0x200 [ 319.353379] run_timer_softirq+0x52/0xb0 [ 319.357448] ? rcu_read_lock_sched_held+0x108/0x120 [ 319.362469] __do_softirq+0x30b/0xad8 [ 319.366284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 319.371398] ? pvclock_read_flags+0x160/0x160 [ 319.375904] ? lapic_next_event+0x5a/0x90 [ 319.380147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.385694] ? check_preemption_disabled+0x48/0x200 [ 319.390715] ? check_preemption_disabled+0x48/0x200 [ 319.395738] ? kvm_clock_read+0x18/0x30 [ 319.399715] ? kvm_sched_clock_read+0x9/0x20 [ 319.404129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.409674] ? check_preemption_disabled+0x48/0x200 [ 319.414708] irq_exit+0x17f/0x1c0 [ 319.418171] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.423013] ? smp_reschedule_interrupt+0x109/0x650 [ 319.428034] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.433921] ? interrupt_entry+0xb5/0xf0 [ 319.437993] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.443010] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.448029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.452872] ? trace_hardirqs_off+0x300/0x300 [ 319.457370] ? trace_hardirqs_off+0x300/0x300 [ 319.461872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.467414] ? check_preemption_disabled+0x48/0x200 [ 319.472447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.477997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.482853] apic_timer_interrupt+0xf/0x20 [ 319.487080] [ 319.489315] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 319.494595] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 c9 26 0a fa 48 83 3d 69 1d 9a 01 00 75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 7d 26 0a fa 4c 8b 45 d0 e9 [ 319.513497] RSP: 0000:ffff8801d9716238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 319.521211] RAX: ffff8801d951c100 RBX: 0000000000000293 RCX: 1ffff1003b2a393e [ 319.528481] RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293 [ 319.535748] RBP: ffff8801d9716240 R08: ffff8801d951c9f0 R09: 0000000000000006 [ 319.543016] R10: 0000000000000000 R11: ffff8801d951c100 R12: 0000000000000293 [ 319.550284] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0 [ 319.557601] ? arch_local_irq_restore+0x45/0x52 [ 319.562283] dump_stack+0x26a/0x2b4 [ 319.565915] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.571126] ? mark_held_locks+0x130/0x130 [ 319.575360] ? mark_held_locks+0x130/0x130 [ 319.579604] dump_header+0x27b/0xf72 [ 319.583332] ? pagefault_out_of_memory+0x197/0x197 [ 319.588269] ? mark_held_locks+0x130/0x130 [ 319.592504] ? __lock_acquire+0x7ec/0x4ec0 [ 319.596740] ? mem_cgroup_charge_statistics+0x780/0x780 [ 319.602103] ? print_usage_bug+0xc0/0xc0 [ 319.606167] ? print_usage_bug+0xc0/0xc0 [ 319.610237] ? graph_lock+0x170/0x170 [ 319.614033] ? graph_lock+0x170/0x170 [ 319.617838] ? print_usage_bug+0xc0/0xc0 [ 319.622349] ? print_usage_bug+0xc0/0xc0 [ 319.626423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.631987] ? find_held_lock+0x36/0x1c0 [ 319.636061] ? mark_held_locks+0xc7/0x130 [ 319.640212] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 319.645316] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 319.650419] ? lockdep_hardirqs_on+0x421/0x5c0 [ 319.655015] ? trace_hardirqs_on+0xbd/0x310 [ 319.659341] ? kasan_check_read+0x11/0x20 [ 319.663488] ? ___ratelimit+0x36f/0x655 [ 319.667464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.672930] ? trace_hardirqs_on+0x310/0x310 [ 319.677362] ? lock_downgrade+0x900/0x900 [ 319.681517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.686625] ? ___ratelimit+0xaa/0x655 [ 319.690515] ? idr_get_free+0xec0/0xec0 [ 319.694493] ? kasan_check_write+0x14/0x20 [ 319.698733] ? do_raw_spin_lock+0xc1/0x200 [ 319.702988] oom_kill_process.cold.27+0x10/0x903 [ 319.707747] ? graph_lock+0x170/0x170 [ 319.711551] ? _raw_spin_unlock+0x2c/0x50 [ 319.715704] ? oom_badness+0xe6/0xaa0 [ 319.719516] ? oom_evaluate_task+0x540/0x540 [ 319.723932] ? find_held_lock+0x36/0x1c0 [ 319.728011] ? out_of_memory+0x974/0x14c0 [ 319.732159] ? lock_downgrade+0x900/0x900 [ 319.736312] ? check_preemption_disabled+0x48/0x200 [ 319.741336] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.747139] ? kasan_check_read+0x11/0x20 [ 319.751291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.756574] ? rcu_bh_qs+0xc0/0xc0 [ 319.760124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.765140] ? oom_evaluate_task+0x302/0x540 [ 319.769554] out_of_memory+0xa86/0x14c0 [ 319.773545] ? oom_killer_disable+0x3a0/0x3a0 [ 319.778043] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 319.782979] ? __mutex_add_waiter+0x2a0/0x2a0 [ 319.787489] __alloc_pages_slowpath+0x2318/0x2d80 [ 319.792367] ? warn_alloc+0x120/0x120 [ 319.796185] ? find_get_entry+0x2f2/0xc40 [ 319.800344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.805886] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 319.810820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.816358] ? should_fail+0x22d/0xd01 [ 319.820250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.825356] ? __lock_is_held+0xb5/0x140 [ 319.829451] ? __lock_is_held+0xb5/0x140 [ 319.833521] ? find_held_lock+0x36/0x1c0 [ 319.837585] ? ___might_sleep+0x1ed/0x300 [ 319.841735] ? lock_release+0x970/0x970 [ 319.845716] ? arch_local_save_flags+0x40/0x40 [ 319.850312] ? __might_sleep+0x95/0x190 [ 319.854294] __alloc_pages_nodemask+0xa80/0xde0 [ 319.858975] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.863998] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.869797] ? kasan_check_read+0x11/0x20 [ 319.873957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.879237] ? graph_lock+0x170/0x170 [ 319.883038] ? print_usage_bug+0xc0/0xc0 [ 319.887101] ? graph_lock+0x170/0x170 [ 319.890900] ? graph_lock+0x170/0x170 [ 319.894704] ? __do_page_cache_readahead+0x7ce/0x980 [ 319.899815] ? find_held_lock+0x36/0x1c0 [ 319.903883] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 319.909435] alloc_pages_current+0x10c/0x210 [ 319.913843] ? lock_downgrade+0x900/0x900 [ 319.918002] __page_cache_alloc+0x38f/0x5b0 [ 319.922327] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.928122] ? kasan_check_read+0x11/0x20 [ 319.932271] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.937555] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 319.942232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.947772] ? check_preemption_disabled+0x48/0x200 [ 319.952803] filemap_fault+0x1594/0x25f0 [ 319.956879] ? __lock_page_or_retry+0xa00/0xa00 [ 319.961548] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.967360] ? kasan_check_read+0x11/0x20 [ 319.971514] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.976798] ? rcu_bh_qs+0xc0/0xc0 [ 319.980356] ? filemap_map_pages+0xdea/0x1980 [ 319.984871] ? find_get_pages_range_tag+0x1320/0x1320 [ 319.990064] ? do_raw_spin_lock+0xc1/0x200 [ 319.994303] ? graph_lock+0x170/0x170 [ 319.998112] ? futex_wait_setup+0x266/0x3e0 [ 320.002463] ? lock_acquire+0x1ed/0x520 [ 320.006450] ? ext4_filemap_fault+0x7a/0xad [ 320.010783] ? lock_release+0x970/0x970 [ 320.014762] ? arch_local_save_flags+0x40/0x40 [ 320.019350] ? futex_wait_setup+0x3e0/0x3e0 [ 320.023673] ? print_usage_bug+0xc0/0xc0 [ 320.027746] ? down_read+0xb0/0x1d0 [ 320.031371] ? ext4_filemap_fault+0x7a/0xad [ 320.035700] ? __down_interruptible+0x700/0x700 [ 320.040385] ? find_held_lock+0x36/0x1c0 [ 320.044461] ext4_filemap_fault+0x82/0xad [ 320.048613] __do_fault+0x100/0x6b0 [ 320.052244] ? lock_downgrade+0x900/0x900 [ 320.056397] ? print_bad_pte+0x6c0/0x6c0 [ 320.060468] ? do_futex+0x249/0x26d0 [ 320.064187] ? kasan_check_read+0x11/0x20 [ 320.068340] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.072755] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 320.077340] ? add_mm_counter_fast+0xd0/0xd0 [ 320.081762] __handle_mm_fault+0x3709/0x53e0 [ 320.086181] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 320.091025] ? __fpu__restore_sig+0x62f/0x1680 [ 320.095610] ? graph_lock+0x170/0x170 [ 320.099410] ? print_usage_bug+0xc0/0xc0 [ 320.103482] ? graph_lock+0x170/0x170 [ 320.107565] ? graph_lock+0x170/0x170 [ 320.111364] ? graph_lock+0x170/0x170 [ 320.115187] ? handle_mm_fault+0x42a/0xc70 [ 320.119774] ? lock_downgrade+0x900/0x900 [ 320.123925] ? check_preemption_disabled+0x48/0x200 [ 320.128965] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.134767] ? kasan_check_read+0x11/0x20 [ 320.138918] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.144223] ? rcu_bh_qs+0xc0/0xc0 [ 320.147762] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.153216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.158758] ? check_preemption_disabled+0x48/0x200 [ 320.163789] handle_mm_fault+0x54f/0xc70 [ 320.167862] ? __handle_mm_fault+0x53e0/0x53e0 [ 320.172455] ? find_vma+0x34/0x190 [ 320.176006] __do_page_fault+0x67d/0xed0 [ 320.180081] ? mm_fault_error+0x380/0x380 [ 320.184230] ? trace_hardirqs_off+0xb8/0x300 [ 320.188646] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.194010] ? trace_hardirqs_on+0x310/0x310 [ 320.198435] do_page_fault+0xf2/0x7e0 [ 320.202245] ? vmalloc_sync_all+0x30/0x30 [ 320.206396] ? error_entry+0x70/0xd0 [ 320.210120] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.215135] ? trace_hardirqs_on_caller+0xc0/0x300 [ 320.220065] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.224996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.229842] ? trace_hardirqs_off+0x300/0x300 [ 320.234337] ? trace_hardirqs_off_caller+0x300/0x300 [ 320.239455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.245000] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.250023] ? page_fault+0x8/0x30 [ 320.253570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.258422] ? page_fault+0x8/0x30 [ 320.261974] page_fault+0x1e/0x30 [ 320.265438] RIP: 0033:0x407e06 [ 320.268638] Code: Bad RIP value. [ 320.271999] RSP: 002b:000000c420339a38 EFLAGS: 00010212 [ 320.277367] RAX: 0000000000809660 RBX: 000000c420339f80 RCX: 000000c420000180 [ 320.284636] RDX: 0000000000809660 RSI: 000000c420339a70 RDI: 000000c420339a70 [ 320.291908] RBP: 000000c420339a88 R08: 000000c420018070 R09: 000000c4200182b0 [ 320.299185] R10: 0000000000000000 R11: 0000000000000001 R12: 000000c420339b90 [ 320.306458] R13: 000000c420339b90 R14: 0000000000000000 R15: 0000000000000000 [ 320.314007] CPU: 0 PID: 9523 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #53 [ 320.314013] warn_alloc_show_mem: 1 callbacks suppressed [ 320.314021] Mem-Info: [ 320.321200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.321209] Call Trace: [ 320.326577] active_anon:40629 inactive_anon:372 isolated_anon:0 [ 320.326577] active_file:16 inactive_file:17 isolated_file:1 [ 320.326577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.326577] slab_reclaimable:9120 slab_unreclaimable:1483028 [ 320.326577] mapped:41146 shmem:379 pagetables:602 bounce:0 [ 320.326577] free:13718 free_pcp:223 free_cma:0 [ 320.328951] [ 320.338311] Node 0 active_anon:162516kB inactive_anon:1488kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164584kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 320.340893] dump_stack+0x1c4/0x2b4 [ 320.373750] Node 0 [ 320.375902] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.403572] 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 [ 320.407187] warn_alloc.cold.118+0xb7/0x1bd [ 320.409645] lowmem_reserve[]: 0 [ 320.414841] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.440315] 2817 6321 [ 320.444870] ? lock_downgrade+0x900/0x900 [ 320.444884] ? trace_hardirqs_off+0xb8/0x300 [ 320.444896] ? trace_hardirqs_off+0xb8/0x300 [ 320.444910] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.444934] ? warn_alloc+0x120/0x120