p_call_function_single_interrupt+0x650/0x650 [ 226.681066] ? interrupt_entry+0xb5/0xf0 [ 226.685132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.690146] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.695167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.700014] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.705030] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.710049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.715589] ? check_preemption_disabled+0x48/0x200 [ 226.720603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.726148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.731005] apic_timer_interrupt+0xf/0x20 [ 226.735237] [ 226.737482] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 226.742502] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 226.761402] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 226.769112] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 226.776380] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 226.783644] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 226.790922] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 226.798190] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 226.805488] ? list_lru_count_one+0x36d/0x450 [ 226.809984] ? list_lru_count_one+0x260/0x450 [ 226.814498] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.820294] ? kasan_check_read+0x11/0x20 [ 226.824451] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.829730] ? rcu_bh_qs+0xc0/0xc0 [ 226.833285] list_lru_count_one+0x265/0x450 [ 226.837640] ? list_lru_add+0x980/0x980 [ 226.841619] ? deferred_split_count+0x65/0x170 [ 226.846198] ? shrink_huge_zero_page_count+0xc8/0x100 [ 226.851392] super_cache_count+0x153/0x2e0 [ 226.855633] do_shrink_slab+0x1a7/0xd20 [ 226.859612] ? lock_release+0x970/0x970 [ 226.863590] ? snapshot_refaults+0x290/0x290 [ 226.868007] ? ___might_sleep+0x1ed/0x300 [ 226.872160] ? down_read_trylock+0xff/0x1e0 [ 226.876477] ? shrink_slab+0x207/0x8c0 [ 226.880365] ? downgrade_write+0x2b0/0x2b0 [ 226.884601] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.890138] ? shrink_node_memcg+0xc82/0x18e0 [ 226.894650] shrink_slab+0x389/0x8c0 [ 226.898363] ? shrink_active_list+0x1c20/0x1c20 [ 226.903049] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 226.908679] ? kasan_check_read+0x11/0x20 [ 226.912829] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.917245] ? ___preempt_schedule+0x16/0x18 [ 226.921661] ? _raw_spin_unlock+0x3f/0x50 [ 226.925817] shrink_node+0x431/0x16b0 [ 226.929623] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 226.934940] ? shrink_node_memcg+0x18e0/0x18e0 [ 226.939522] ? lockdep_hardirqs_on+0x421/0x5c0 [ 226.944109] ? trace_hardirqs_on+0xbd/0x310 [ 226.948432] ? vmpressure+0x271/0x340 [ 226.952240] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 226.956836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.962371] ? __cpuset_node_allowed+0x19b/0x660 [ 226.967127] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 226.972840] ? vmpressure+0x1a2/0x340 [ 226.976652] do_try_to_free_pages+0x3e7/0x1290 [ 226.981256] ? shrink_node+0x16b0/0x16b0 [ 226.985320] ? __lock_is_held+0xb5/0x140 [ 226.989396] try_to_free_pages+0x4d0/0xb90 [ 226.993636] ? do_try_to_free_pages+0x1290/0x1290 [ 226.998481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.004028] ? lock_acquire+0x1ed/0x520 [ 227.008010] ? set_page_refcounted+0x280/0x280 [ 227.012601] ? lock_release+0x970/0x970 [ 227.016580] ? ___might_sleep+0x1ed/0x300 [ 227.020727] ? arch_local_save_flags+0x40/0x40 [ 227.025321] __alloc_pages_slowpath+0x993/0x2d80 [ 227.030109] ? warn_alloc+0x120/0x120 [ 227.033924] ? __radix_tree_lookup+0x4c0/0x4c0 [ 227.038520] ? find_get_entry+0x2f2/0xc40 [ 227.042676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.048217] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 227.053146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.058688] ? should_fail+0x22d/0xd01 [ 227.062586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.067689] ? __lock_is_held+0xb5/0x140 [ 227.071775] ? __lock_is_held+0xb5/0x140 [ 227.075849] ? __lock_acquire+0x7ec/0x4ec0 [ 227.080090] ? ___might_sleep+0x1ed/0x300 [ 227.084242] ? lock_release+0x970/0x970 [ 227.088217] ? arch_local_save_flags+0x40/0x40 [ 227.092812] ? __might_sleep+0x95/0x190 [ 227.096790] __alloc_pages_nodemask+0xa80/0xde0 [ 227.101468] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.106486] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.112280] ? kasan_check_read+0x11/0x20 [ 227.116431] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.121713] ? graph_lock+0x170/0x170 [ 227.125515] ? print_usage_bug+0xc0/0xc0 [ 227.129583] ? graph_lock+0x170/0x170 [ 227.133381] ? graph_lock+0x170/0x170 [ 227.137182] ? __do_page_cache_readahead+0x7ce/0x980 [ 227.142295] ? find_held_lock+0x36/0x1c0 [ 227.146360] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 227.151916] alloc_pages_current+0x10c/0x210 [ 227.156329] ? lock_downgrade+0x900/0x900 [ 227.160484] __page_cache_alloc+0x38f/0x5b0 [ 227.164806] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.170598] ? kasan_check_read+0x11/0x20 [ 227.174777] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.180069] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 227.184771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.190318] ? check_preemption_disabled+0x48/0x200 [ 227.195342] filemap_fault+0x1594/0x25f0 [ 227.199419] ? __lock_page_or_retry+0xa00/0xa00 [ 227.204087] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.209883] ? kasan_check_read+0x11/0x20 [ 227.214043] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.219316] ? ep_scan_ready_list+0xbeb/0x1050 [ 227.223916] ? rcu_bh_qs+0xc0/0xc0 [ 227.227455] ? lock_downgrade+0x900/0x900 [ 227.231607] ? graph_lock+0x170/0x170 [ 227.235413] ? filemap_map_pages+0xdea/0x1980 [ 227.239943] ? find_get_pages_range_tag+0x1320/0x1320 [ 227.245139] ? wait_for_completion+0x8a0/0x8a0 [ 227.249723] ? graph_lock+0x170/0x170 [ 227.253534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.258119] ? kasan_check_read+0x11/0x20 [ 227.262267] ? ep_scan_ready_list+0xbc7/0x1050 [ 227.266851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.272313] ? lock_acquire+0x1ed/0x520 [ 227.276289] ? ext4_filemap_fault+0x7a/0xad [ 227.280618] ? lock_release+0x970/0x970 [ 227.284595] ? arch_local_save_flags+0x40/0x40 [ 227.289182] ? ep_poll_callback+0x10e0/0x10e0 [ 227.293697] ? down_read+0xb0/0x1d0 [ 227.297324] ? ext4_filemap_fault+0x7a/0xad [ 227.301646] ? __down_interruptible+0x700/0x700 [ 227.306321] ? get_futex_key+0x21b0/0x21b0 [ 227.311067] ext4_filemap_fault+0x82/0xad [ 227.315221] __do_fault+0x100/0x6b0 [ 227.318851] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.323348] ? print_bad_pte+0x6c0/0x6c0 [ 227.327411] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.331999] ? trace_hardirqs_on+0xbd/0x310 [ 227.336324] ? kasan_check_read+0x11/0x20 [ 227.340479] ? pmd_val+0x88/0x100 [ 227.343941] ? add_mm_counter_fast+0xd0/0xd0 [ 227.348353] ? pmd_val+0x88/0x100 [ 227.351809] ? add_mm_counter_fast+0xd0/0xd0 [ 227.356222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.361763] __handle_mm_fault+0x3709/0x53e0 [ 227.366184] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 227.371033] ? graph_lock+0x170/0x170 [ 227.374833] ? print_usage_bug+0xc0/0xc0 [ 227.378914] ? rcu_bh_qs+0xc0/0xc0 [ 227.382460] ? graph_lock+0x170/0x170 [ 227.386262] ? graph_lock+0x170/0x170 [ 227.390082] ? handle_mm_fault+0x42a/0xc70 [ 227.394318] ? lock_downgrade+0x900/0x900 [ 227.398468] ? check_preemption_disabled+0x48/0x200 [ 227.403491] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.409284] ? kasan_check_read+0x11/0x20 [ 227.413435] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.418723] ? rcu_bh_qs+0xc0/0xc0 [ 227.422268] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.427727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.433279] ? check_preemption_disabled+0x48/0x200 [ 227.438475] handle_mm_fault+0x54f/0xc70 [ 227.442544] ? __handle_mm_fault+0x53e0/0x53e0 [ 227.447138] ? find_vma+0x34/0x190 [ 227.450699] __do_page_fault+0x67d/0xed0 [ 227.454785] ? mm_fault_error+0x380/0x380 [ 227.458952] ? trace_hardirqs_off+0xb8/0x310 [ 227.463369] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.468737] ? trace_hardirqs_on+0x310/0x310 [ 227.473155] do_page_fault+0xf2/0x7e0 [ 227.476959] ? vmalloc_sync_all+0x30/0x30 [ 227.481112] ? error_entry+0x70/0xd0 [ 227.484834] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.489849] ? trace_hardirqs_on_caller+0xc0/0x310 [ 227.494781] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.499709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.504555] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.509572] ? trace_hardirqs_off+0x310/0x310 [ 227.514078] ? prepare_exit_to_usermode+0x291/0x3b0 [ 227.519100] ? page_fault+0x8/0x30 [ 227.522672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.527523] ? page_fault+0x8/0x30 [ 227.531080] page_fault+0x1e/0x30 [ 227.534534] RIP: 0033:0x45df89 [ 227.537732] Code: Bad RIP value. [ 227.541091] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 227.546455] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 227.553725] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 227.560991] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 227.568261] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 227.575532] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 227.582846] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 227.582927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 227.590051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.590062] Call Trace: [ 227.596659] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.605880] [ 227.608472] syz-fuzzer cpuset= [ 227.618695] dump_stack+0x1c4/0x2b4 [ 227.620814] / [ 227.624000] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.627615] mems_allowed=0 [ 227.629330] warn_alloc.cold.119+0xb7/0x1bd [ 227.641744] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.646592] ? lock_downgrade+0x900/0x900 [ 227.650750] ? trace_hardirqs_off+0xb8/0x310 [ 227.655167] ? trace_hardirqs_off+0xb8/0x310 [ 227.659588] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.664464] ? warn_alloc+0x120/0x120 [ 227.668275] ? warn_alloc+0x120/0x120 [ 227.672079] ? print_usage_bug+0xc0/0xc0 [ 227.676149] ? warn_alloc+0x120/0x120 [ 227.679951] ? print_usage_bug+0xc0/0xc0 [ 227.684027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.689575] ? should_fail+0x22d/0xd01 [ 227.693467] ? __lock_acquire+0x7ec/0x4ec0 [ 227.697705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.702809] ? __lock_acquire+0x7ec/0x4ec0 [ 227.707058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.712174] ? __lock_acquire+0x7ec/0x4ec0 [ 227.716424] ? should_fail+0x22d/0xd01 [ 227.720332] ? mark_held_locks+0x130/0x130 [ 227.724576] ? mark_held_locks+0x130/0x130 [ 227.728819] ? try_to_wake_up+0x10a/0x12f0 [ 227.733058] ? graph_lock+0x170/0x170 [ 227.736857] ? print_usage_bug+0xc0/0xc0 [ 227.740926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.746467] ? check_preemption_disabled+0x48/0x200 [ 227.751482] ? check_preemption_disabled+0x48/0x200 [ 227.756510] ? __lock_is_held+0xb5/0x140 [ 227.760582] __alloc_pages_nodemask+0xa80/0xde0 [ 227.765250] ? graph_lock+0x170/0x170 [ 227.769059] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.774073] ? graph_lock+0x170/0x170 [ 227.777889] ? find_held_lock+0x36/0x1c0 [ 227.781983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.786664] ? lock_downgrade+0x900/0x900 [ 227.790826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.796370] cache_grow_begin+0x91/0x8c0 [ 227.800436] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.804852] fallback_alloc+0x203/0x2e0 [ 227.808837] ____cache_alloc_node+0x1c7/0x1e0 [ 227.813343] kmem_cache_alloc_node+0xe3/0x730 [ 227.817845] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.822090] __alloc_skb+0x119/0x770 [ 227.825806] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.831095] ? skb_scrub_packet+0x490/0x490 [ 227.835438] ? lock_downgrade+0x900/0x900 [ 227.839618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.845180] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.850657] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.856126] ? addrconf_rs_timer+0x690/0x690 [ 227.860557] ndisc_alloc_skb+0x144/0x340 [ 227.864639] ndisc_send_rs+0x331/0x6e0 [ 227.868546] addrconf_rs_timer+0x314/0x690 [ 227.872799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.877077] call_timer_fn+0x272/0x920 [ 227.880976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.885219] ? process_timeout+0x40/0x40 [ 227.889283] ? find_held_lock+0x36/0x1c0 [ 227.893366] ? __run_timers+0x7da/0xc70 [ 227.897347] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.901847] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.906353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.910593] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 227.915182] ? trace_hardirqs_on+0xbd/0x310 [ 227.919501] ? kasan_check_read+0x11/0x20 [ 227.923652] ? __run_timers+0x7da/0xc70 [ 227.927629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.933099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.937340] __run_timers+0x7e5/0xc70 [ 227.941154] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.946536] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.951566] ? graph_lock+0x170/0x170 [ 227.955375] ? enqueue_hrtimer+0x1a5/0x560 [ 227.959625] ? lock_release+0x970/0x970 [ 227.963604] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.968817] ? find_held_lock+0x36/0x1c0 [ 227.972906] ? graph_lock+0x170/0x170 [ 227.976719] ? pvclock_read_flags+0x160/0x160 [ 227.981228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.986773] ? check_preemption_disabled+0x48/0x200 [ 227.991806] ? __lock_is_held+0xb5/0x140 [ 227.995871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.001424] ? check_preemption_disabled+0x48/0x200 [ 228.006462] run_timer_softirq+0x52/0xb0 [ 228.010523] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.015548] __do_softirq+0x30b/0xad8 [ 228.019363] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.024476] ? pvclock_read_flags+0x160/0x160 [ 228.028970] ? lapic_next_event+0x5a/0x90 [ 228.033131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.038671] ? check_preemption_disabled+0x48/0x200 [ 228.043689] ? check_preemption_disabled+0x48/0x200 [ 228.048722] ? kvm_clock_read+0x18/0x30 [ 228.052707] ? kvm_sched_clock_read+0x9/0x20 [ 228.057121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.062661] ? check_preemption_disabled+0x48/0x200 [ 228.067693] irq_exit+0x17f/0x1c0 [ 228.071151] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.075993] ? smp_reschedule_interrupt+0x109/0x650 [ 228.081019] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.086922] ? interrupt_entry+0xb5/0xf0 [ 228.090990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.096013] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.101061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.105932] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.110963] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.116013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.121559] ? check_preemption_disabled+0x48/0x200 [ 228.126590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.132140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.136997] apic_timer_interrupt+0xf/0x20 [ 228.141229] [ 228.143472] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.148402] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 228.167319] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 228.175062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 228.182345] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 228.189623] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 228.196907] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 228.204178] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 228.211510] skb_clone+0x1bb/0x500 [ 228.215061] ? finish_task_switch+0x1b5/0x900 [ 228.219579] ? skb_split+0x11e0/0x11e0 [ 228.223475] ? preempt_notifier_register+0x200/0x200 [ 228.228590] ? __switch_to_asm+0x34/0x70 [ 228.232679] ? __switch_to_asm+0x34/0x70 [ 228.236754] ? __switch_to_asm+0x40/0x70 [ 228.240837] ? __switch_to_asm+0x34/0x70 [ 228.244918] ? __switch_to_asm+0x40/0x70 [ 228.249002] ? __switch_to_asm+0x34/0x70 [ 228.253065] ? __switch_to_asm+0x40/0x70 [ 228.257125] ? __switch_to_asm+0x34/0x70 [ 228.261191] ? __switch_to_asm+0x34/0x70 [ 228.265249] ? __switch_to_asm+0x40/0x70 [ 228.269311] ? __switch_to_asm+0x34/0x70 [ 228.273385] bpf_clone_redirect+0xb9/0x490 [ 228.277627] ? __schedule+0x874/0x1ed0 [ 228.281522] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 228.286544] ? __sched_text_start+0x8/0x8 [ 228.290713] ? find_held_lock+0x36/0x1c0 [ 228.294782] ? lock_acquire+0x1ed/0x520 [ 228.298761] ? bpf_test_run+0x32e/0x5a0 [ 228.302739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.308285] ? check_preemption_disabled+0x48/0x200 [ 228.313309] ? kasan_check_read+0x11/0x20 [ 228.317461] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.322739] ? rcu_bh_qs+0xc0/0xc0 [ 228.326281] ? preempt_schedule+0x4d/0x60 [ 228.330435] ? ___preempt_schedule+0x16/0x18 [ 228.334855] ? bpf_test_run+0x1c0/0x5a0 [ 228.338840] ? netlink_diag_dump+0x2a0/0x2a0 [ 228.343256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.348794] ? bpf_test_init.isra.9+0x70/0x100 [ 228.353381] ? bpf_prog_test_run_skb+0x634/0xb40 [ 228.358151] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.362995] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.368531] ? fput+0x130/0x1a0 [ 228.371814] ? __bpf_prog_get+0x9b/0x290 [ 228.375903] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.380767] ? bpf_prog_test_run+0x130/0x1a0 [ 228.385187] ? __x64_sys_bpf+0x3d8/0x510 [ 228.389253] ? bpf_prog_get+0x20/0x20 [ 228.393085] ? do_syscall_64+0x1b9/0x820 [ 228.397150] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.402527] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.407466] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.412504] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.417529] ? recalc_sigpending_tsk+0x180/0x180 [ 228.422303] ? kasan_check_write+0x14/0x20 [ 228.426554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.431432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.436827] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 228.436832] warn_alloc_show_mem: 1 callbacks suppressed [ 228.436840] Mem-Info: [ 228.443778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.449152] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 228.449152] active_file:13 inactive_file:13 isolated_file:1 [ 228.449152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 228.449152] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 228.449152] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 228.449152] free:13741 free_pcp:221 free_cma:0 [ 228.451526] Call Trace: [ 228.460960] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 228.494008] [ 228.496585] Node 0 [ 228.524444] dump_stack+0x1c4/0x2b4 [ 228.526597] 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 [ 228.528811] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.532401] lowmem_reserve[]: 0 [ 228.557940] warn_alloc.cold.119+0xb7/0x1bd [ 228.563104] 2819 [ 228.566389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.570672] 6323 6323 [ 228.572747] ? lock_downgrade+0x900/0x900 [ 228.580059] ? trace_hardirqs_off+0xb8/0x310 [ 228.584173] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 228.588605] ? trace_hardirqs_off+0xb8/0x310 [ 228.588630] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.616274] lowmem_reserve[]: 0 [ 228.620731] ? warn_alloc+0x120/0x120 [ 228.625508] 0 3503 [ 228.628798] ? trace_hardirqs_on+0x310/0x310 [ 228.632567] 3503 [ 228.634804] ? warn_alloc+0x120/0x120 [ 228.641264] ? print_usage_bug+0xc0/0xc0 [ 228.645038] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 228.649144] ? warn_alloc+0x120/0x120 [ 228.649161] ? ktime_get+0x2e1/0x440 [ 228.678203] lowmem_reserve[]: 0 [ 228.682035] ? print_usage_bug+0xc0/0xc0 [ 228.685718] 0 0 [ 228.689015] ? __lock_acquire+0x7ec/0x4ec0 [ 228.693042] 0 [ 228.695019] ? __lock_acquire+0x7ec/0x4ec0 [ 228.701029] ? kasan_check_read+0x11/0x20 [ 228.705239] Node 0 DMA: [ 228.709399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.709417] ? should_fail+0x22d/0xd01 [ 228.712077] 1*4kB [ 228.717616] ? rcu_bh_qs+0xc0/0xc0 [ 228.721478] (U) [ 228.723631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.727133] 0*8kB [ 228.729133] ? __lock_acquire+0x7ec/0x4ec0 [ 228.734208] 0*16kB [ 228.736359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.740557] 1*32kB (U) [ 228.742805] ? __lock_acquire+0x7ec/0x4ec0 [ 228.747876] 2*64kB (U) [ 228.750483] ? should_fail+0x22d/0xd01 [ 228.754685] 1*128kB [ 228.757267] ? rcu_idle_enter+0x4b0/0x4b0 [ 228.761123] (U) [ 228.763456] ? mark_held_locks+0x130/0x130 [ 228.767572] 1*256kB [ 228.769539] ? mark_held_locks+0x130/0x130 [ 228.773749] (U) [ 228.776075] ? mark_held_locks+0xc7/0x130 [ 228.780284] 0*512kB [ 228.782259] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 228.786378] 1*1024kB [ 228.788695] ? graph_lock+0x170/0x170 [ 228.793689] (U) [ 228.796095] ? print_usage_bug+0xc0/0xc0 [ 228.799865] 1*2048kB (M) [ 228.801851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.805882] 3*4096kB [ 228.808648] ? check_preemption_disabled+0x48/0x200 [ 228.814154] (M) [ 228.816559] ? check_preemption_disabled+0x48/0x200 [ 228.821545] = 15908kB [ 228.823518] ? __lock_is_held+0xb5/0x140 [ 228.828505] Node 0 [ 228.830924] __alloc_pages_nodemask+0xa80/0xde0 [ 228.834948] DMA32: [ 228.837178] ? graph_lock+0x170/0x170 [ 228.841825] 5*4kB [ 228.844058] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.847848] (UM) [ 228.850001] ? graph_lock+0x170/0x170 [ 228.854996] 0*8kB [ 228.857061] ? find_held_lock+0x36/0x1c0 [ 228.860825] 3*16kB (UM) [ 228.862983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.867011] 2*32kB (M) [ 228.869686] ? lock_downgrade+0x900/0x900 [ 228.874324] 5*64kB (UM) [ 228.876939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.881053] 3*128kB [ 228.883719] cache_grow_begin+0x91/0x8c0 [ 228.889229] (M) [ 228.891545] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.895572] 3*256kB (M) [ 228.897552] fallback_alloc+0x203/0x2e0 [ 228.901931] 4*512kB [ 228.904597] ____cache_alloc_node+0x1c7/0x1e0 [ 228.908543] (UM) [ 228.910861] kmem_cache_alloc_node+0xe3/0x730 [ 228.915328] 3*1024kB [ 228.917388] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.921853] (UM) [ 228.924267] __alloc_skb+0x119/0x770 [ 228.928463] 1*2048kB (M) [ 228.930533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.934220] 4*4096kB (M) [ 228.936979] ? skb_scrub_packet+0x490/0x490 [ 228.942230] = 25156kB [ 228.944979] ? lock_downgrade+0x900/0x900 [ 228.949274] Node 0 [ 228.951683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.955801] Normal: 1005*4kB [ 228.958044] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.963556] (MEH) [ 228.966657] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.972081] 451*8kB [ 228.974228] ? addrconf_rs_timer+0x690/0x690 [ 228.979650] (ME) [ 228.981977] ndisc_alloc_skb+0x144/0x340 [ 228.986345] 184*16kB (UME) [ 228.988412] ndisc_send_rs+0x331/0x6e0 [ 228.992451] 94*32kB [ 228.995376] addrconf_rs_timer+0x314/0x690 [ 228.999234] (UME) [ 229.001551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.005756] 5*64kB (UM) [ 229.007932] call_timer_fn+0x272/0x920 [ 229.012121] 0*128kB 0*256kB [ 229.014798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.018658] 0*512kB [ 229.021672] ? process_timeout+0x40/0x40 [ 229.025882] 0*1024kB [ 229.028207] ? find_held_lock+0x36/0x1c0 [ 229.032239] 0*2048kB 0*4096kB [ 229.034655] ? mark_held_locks+0xc7/0x130 [ 229.038683] = 13900kB [ 229.041868] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.045997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 229.048395] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.052877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 229.061700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.066174] 4241 total pagecache pages [ 229.074742] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.078952] 0 pages in swap cache [ 229.082828] ? trace_hardirqs_on+0xbd/0x310 [ 229.087383] Swap cache stats: add 0, delete 0, find 0/0 [ 229.087392] Free swap = 0kB [ 229.090836] ? kasan_check_read+0x11/0x20 [ 229.095133] Total swap = 0kB [ 229.100489] ? __run_timers+0x7da/0xc70 [ 229.103484] 1965979 pages RAM [ 229.107626] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.110614] 0 pages HighMem/MovableOnly [ 229.110623] 342307 pages reserved [ 229.114591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.117662] 0 pages cma reserved [ 229.117735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.123111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.123126] __run_timers+0x7e5/0xc70 [ 229.123153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.127154] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.130545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.134755] syz-executor5 cpuset= [ 229.138112] ? graph_lock+0x170/0x170 [ 229.144578] syz5 [ 229.148804] ? print_usage_bug+0xc0/0xc0 [ 229.152582] mems_allowed=0 [ 229.157944] ? lock_release+0x970/0x970 [ 229.193508] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.198707] ? find_held_lock+0x36/0x1c0 [ 229.202771] ? graph_lock+0x170/0x170 [ 229.206578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.212116] ? check_preemption_disabled+0x48/0x200 [ 229.217149] ? __lock_is_held+0xb5/0x140 [ 229.221210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.226749] ? check_preemption_disabled+0x48/0x200 [ 229.231771] run_timer_softirq+0x52/0xb0 [ 229.235835] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.240854] __do_softirq+0x30b/0xad8 [ 229.244668] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.249776] ? pvclock_read_flags+0x160/0x160 [ 229.254270] ? lapic_next_event+0x5a/0x90 [ 229.258419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.263960] ? check_preemption_disabled+0x48/0x200 [ 229.268978] ? check_preemption_disabled+0x48/0x200 [ 229.274005] ? kvm_clock_read+0x18/0x30 [ 229.277995] ? kvm_sched_clock_read+0x9/0x20 [ 229.282405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.287947] ? check_preemption_disabled+0x48/0x200 [ 229.292976] irq_exit+0x17f/0x1c0 [ 229.296434] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.301278] ? smp_reschedule_interrupt+0x109/0x650 [ 229.306306] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.312692] ? interrupt_entry+0xb5/0xf0 [ 229.316759] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.321771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.326792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.331633] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.336647] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.341666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.347204] ? check_preemption_disabled+0x48/0x200 [ 229.352218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.357761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.362613] apic_timer_interrupt+0xf/0x20 [ 229.366845] [ 229.369084] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 229.374100] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 229.392997] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 229.400710] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 229.407982] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 229.415250] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 229.422551] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 229.429816] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 229.437103] ? list_lru_count_one+0x36d/0x450 [ 229.441756] ? list_lru_count_one+0x260/0x450 [ 229.446266] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.452061] ? kasan_check_read+0x11/0x20 [ 229.456211] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.461493] ? rcu_bh_qs+0xc0/0xc0 [ 229.465045] list_lru_count_one+0x265/0x450 [ 229.469368] ? list_lru_add+0x980/0x980 [ 229.473347] ? deferred_split_count+0x65/0x170 [ 229.477936] ? shrink_huge_zero_page_count+0xc8/0x100 [ 229.483136] super_cache_count+0x153/0x2e0 [ 229.487375] do_shrink_slab+0x1a7/0xd20 [ 229.491363] ? lock_release+0x970/0x970 [ 229.495338] ? snapshot_refaults+0x290/0x290 [ 229.499756] ? ___might_sleep+0x1ed/0x300 [ 229.503924] ? down_read_trylock+0xff/0x1e0 [ 229.508248] ? shrink_slab+0x207/0x8c0 [ 229.512143] ? downgrade_write+0x2b0/0x2b0 [ 229.516379] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.521935] ? shrink_node_memcg+0xc82/0x18e0 [ 229.526446] shrink_slab+0x389/0x8c0 [ 229.530161] ? shrink_active_list+0x1c20/0x1c20 [ 229.534838] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 229.540462] ? kasan_check_read+0x11/0x20 [ 229.544611] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.549027] ? ___preempt_schedule+0x16/0x18 [ 229.553451] ? _raw_spin_unlock+0x3f/0x50 [ 229.557610] shrink_node+0x431/0x16b0 [ 229.561415] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 229.566722] ? shrink_node_memcg+0x18e0/0x18e0 [ 229.571302] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.575883] ? trace_hardirqs_on+0xbd/0x310 [ 229.580227] ? vmpressure+0x271/0x340 [ 229.584039] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 229.588628] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.594163] ? __cpuset_node_allowed+0x19b/0x660 [ 229.598930] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 229.604647] ? vmpressure+0x1a2/0x340 [ 229.608461] do_try_to_free_pages+0x3e7/0x1290 [ 229.613060] ? shrink_node+0x16b0/0x16b0 [ 229.617125] ? __lock_is_held+0xb5/0x140 [ 229.621202] try_to_free_pages+0x4d0/0xb90 [ 229.625447] ? do_try_to_free_pages+0x1290/0x1290 [ 229.630288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.635840] ? lock_acquire+0x1ed/0x520 [ 229.639812] ? set_page_refcounted+0x280/0x280 [ 229.644401] ? lock_release+0x970/0x970 [ 229.648383] ? ___might_sleep+0x1ed/0x300 [ 229.652535] ? arch_local_save_flags+0x40/0x40 [ 229.657128] __alloc_pages_slowpath+0x993/0x2d80 [ 229.661929] ? warn_alloc+0x120/0x120 [ 229.665729] ? __radix_tree_lookup+0x4c0/0x4c0 [ 229.670323] ? find_get_entry+0x2f2/0xc40 [ 229.674483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.680023] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 229.684956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.690493] ? should_fail+0x22d/0xd01 [ 229.694386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.699488] ? __lock_is_held+0xb5/0x140 [ 229.703592] ? __lock_is_held+0xb5/0x140 [ 229.707673] ? __lock_acquire+0x7ec/0x4ec0 [ 229.711928] ? ___might_sleep+0x1ed/0x300 [ 229.716075] ? lock_release+0x970/0x970 [ 229.720052] ? arch_local_save_flags+0x40/0x40 [ 229.724645] ? __might_sleep+0x95/0x190 [ 229.728623] __alloc_pages_nodemask+0xa80/0xde0 [ 229.733299] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.738317] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.744112] ? kasan_check_read+0x11/0x20 [ 229.748260] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.753540] ? graph_lock+0x170/0x170 [ 229.757343] ? print_usage_bug+0xc0/0xc0 [ 229.761406] ? graph_lock+0x170/0x170 [ 229.765203] ? graph_lock+0x170/0x170 [ 229.769009] ? __do_page_cache_readahead+0x7ce/0x980 [ 229.774123] ? find_held_lock+0x36/0x1c0 [ 229.778189] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 229.783735] alloc_pages_current+0x10c/0x210 [ 229.788143] ? lock_downgrade+0x900/0x900 [ 229.792296] __page_cache_alloc+0x38f/0x5b0 [ 229.796621] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.802416] ? kasan_check_read+0x11/0x20 [ 229.806564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.811842] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 229.816512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.822054] ? check_preemption_disabled+0x48/0x200 [ 229.827083] filemap_fault+0x1594/0x25f0 [ 229.831159] ? __lock_page_or_retry+0xa00/0xa00 [ 229.835828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.842067] ? kasan_check_read+0x11/0x20 [ 229.846219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.851494] ? ep_scan_ready_list+0xbeb/0x1050 [ 229.856078] ? rcu_bh_qs+0xc0/0xc0 [ 229.859618] ? lock_downgrade+0x900/0x900 [ 229.863769] ? graph_lock+0x170/0x170 [ 229.867579] ? filemap_map_pages+0xdea/0x1980 [ 229.872092] ? find_get_pages_range_tag+0x1320/0x1320 [ 229.877289] ? wait_for_completion+0x8a0/0x8a0 [ 229.881878] ? graph_lock+0x170/0x170 [ 229.885693] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.890281] ? kasan_check_read+0x11/0x20 [ 229.894429] ? ep_scan_ready_list+0xbc7/0x1050 [ 229.899018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.904477] ? lock_acquire+0x1ed/0x520 [ 229.908455] ? ext4_filemap_fault+0x7a/0xad [ 229.912783] ? lock_release+0x970/0x970 [ 229.916757] ? arch_local_save_flags+0x40/0x40 [ 229.921342] ? ep_poll_callback+0x10e0/0x10e0 [ 229.925855] ? down_read+0xb0/0x1d0 [ 229.929481] ? ext4_filemap_fault+0x7a/0xad [ 229.933807] ? __down_interruptible+0x700/0x700 [ 229.938480] ? get_futex_key+0x21b0/0x21b0 [ 229.942729] ext4_filemap_fault+0x82/0xad [ 229.946882] __do_fault+0x100/0x6b0 [ 229.950525] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.955026] ? print_bad_pte+0x6c0/0x6c0 [ 229.959091] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.963673] ? trace_hardirqs_on+0xbd/0x310 [ 229.967989] ? kasan_check_read+0x11/0x20 [ 229.972138] ? pmd_val+0x88/0x100 [ 229.975596] ? add_mm_counter_fast+0xd0/0xd0 [ 229.980009] ? pmd_val+0x88/0x100 [ 229.983463] ? add_mm_counter_fast+0xd0/0xd0 [ 229.987880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.993436] __handle_mm_fault+0x3709/0x53e0 [ 229.997858] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 230.002702] ? graph_lock+0x170/0x170 [ 230.006505] ? print_usage_bug+0xc0/0xc0 [ 230.010568] ? rcu_bh_qs+0xc0/0xc0 [ 230.014109] ? graph_lock+0x170/0x170 [ 230.017922] ? graph_lock+0x170/0x170 [ 230.021745] ? handle_mm_fault+0x42a/0xc70 [ 230.025979] ? lock_downgrade+0x900/0x900 [ 230.030130] ? check_preemption_disabled+0x48/0x200 [ 230.035155] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.040949] ? kasan_check_read+0x11/0x20 [ 230.045096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.050387] ? rcu_bh_qs+0xc0/0xc0 [ 230.053936] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.059388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.064935] ? check_preemption_disabled+0x48/0x200 [ 230.069965] handle_mm_fault+0x54f/0xc70 [ 230.074033] ? __handle_mm_fault+0x53e0/0x53e0 [ 230.078618] ? find_vma+0x34/0x190 [ 230.082163] __do_page_fault+0x67d/0xed0 [ 230.086231] ? mm_fault_error+0x380/0x380 [ 230.090378] ? trace_hardirqs_off+0xb8/0x310 [ 230.094790] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.100154] ? trace_hardirqs_on+0x310/0x310 [ 230.104571] do_page_fault+0xf2/0x7e0 [ 230.108376] ? vmalloc_sync_all+0x30/0x30 [ 230.112524] ? error_entry+0x70/0xd0 [ 230.116240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.121254] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.126192] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.131119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.135961] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.140974] ? trace_hardirqs_off+0x310/0x310 [ 230.145472] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.150487] ? page_fault+0x8/0x30 [ 230.154035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.158882] ? page_fault+0x8/0x30 [ 230.162434] page_fault+0x1e/0x30 [ 230.165903] RIP: 0033:0x45df89 [ 230.169110] Code: Bad RIP value. [ 230.172469] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 230.177831] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 230.185100] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 230.192369] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 230.199635] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 230.206911] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 230.214208] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 230.214274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.221395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.221400] Call Trace: [ 230.221420] [ 230.221443] dump_stack+0x1c4/0x2b4 [ 230.221462] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.228011] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.237299] warn_alloc.cold.119+0xb7/0x1bd [ 230.239848] syz-fuzzer cpuset= [ 230.242000] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.245599] / [ 230.250787] ? lock_downgrade+0x900/0x900 [ 230.260993] mems_allowed=0 [ 230.265313] ? trace_hardirqs_off+0xb8/0x310 [ 230.286456] ? trace_hardirqs_off+0xb8/0x310 [ 230.290880] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.295777] ? warn_alloc+0x120/0x120 [ 230.299586] ? warn_alloc+0x120/0x120 [ 230.303390] ? print_usage_bug+0xc0/0xc0 [ 230.307456] ? warn_alloc+0x120/0x120 [ 230.311261] ? print_usage_bug+0xc0/0xc0 [ 230.315329] ? __lock_acquire+0x7ec/0x4ec0 [ 230.319566] ? __lock_acquire+0x7ec/0x4ec0 [ 230.323807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.329344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.334885] ? should_fail+0x22d/0xd01 [ 230.338785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.343890] ? __lock_acquire+0x7ec/0x4ec0 [ 230.348139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.353242] ? __lock_acquire+0x7ec/0x4ec0 [ 230.357475] ? should_fail+0x22d/0xd01 [ 230.361419] ? mark_held_locks+0x130/0x130 [ 230.365664] ? mark_held_locks+0x130/0x130 [ 230.369907] ? graph_lock+0x170/0x170 [ 230.373713] ? print_usage_bug+0xc0/0xc0 [ 230.377786] ? graph_lock+0x170/0x170 [ 230.381586] ? print_usage_bug+0xc0/0xc0 [ 230.385648] ? wq_watchdog_touch+0x9c/0xfe [ 230.389887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.395438] ? check_preemption_disabled+0x48/0x200 [ 230.400455] ? check_preemption_disabled+0x48/0x200 [ 230.405482] ? __lock_is_held+0xb5/0x140 [ 230.409552] __alloc_pages_nodemask+0xa80/0xde0 [ 230.414222] ? graph_lock+0x170/0x170 [ 230.418027] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.423040] ? graph_lock+0x170/0x170 [ 230.426852] ? find_held_lock+0x36/0x1c0 [ 230.430932] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.435606] ? lock_downgrade+0x900/0x900 [ 230.439763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.445307] cache_grow_begin+0x91/0x8c0 [ 230.449371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.453787] fallback_alloc+0x203/0x2e0 [ 230.457769] ____cache_alloc_node+0x1c7/0x1e0 [ 230.462270] kmem_cache_alloc_node+0xe3/0x730 [ 230.466773] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.471023] __alloc_skb+0x119/0x770 [ 230.474745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.480024] ? skb_scrub_packet+0x490/0x490 [ 230.484351] ? lock_downgrade+0x900/0x900 [ 230.488512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.494053] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.499516] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.504971] ? addrconf_rs_timer+0x690/0x690 [ 230.509412] ndisc_alloc_skb+0x144/0x340 [ 230.513540] ndisc_send_rs+0x331/0x6e0 [ 230.517441] addrconf_rs_timer+0x314/0x690 [ 230.521691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.525947] call_timer_fn+0x272/0x920 [ 230.529836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.534072] ? process_timeout+0x40/0x40 [ 230.538136] ? find_held_lock+0x36/0x1c0 [ 230.542208] ? __run_timers+0x7da/0xc70 [ 230.546187] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.550685] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.555183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.559428] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.564014] ? trace_hardirqs_on+0xbd/0x310 [ 230.568333] ? kasan_check_read+0x11/0x20 [ 230.572486] ? __run_timers+0x7da/0xc70 [ 230.576465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.581938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.586193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.590432] __run_timers+0x7e5/0xc70 [ 230.594249] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.599619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.604640] ? graph_lock+0x170/0x170 [ 230.608450] ? enqueue_hrtimer+0x1a5/0x560 [ 230.612686] ? lock_release+0x970/0x970 [ 230.616664] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.621864] ? find_held_lock+0x36/0x1c0 [ 230.625942] ? graph_lock+0x170/0x170 [ 230.629745] ? pvclock_read_flags+0x160/0x160 [ 230.634243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.639784] ? check_preemption_disabled+0x48/0x200 [ 230.644814] ? __lock_is_held+0xb5/0x140 [ 230.648892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.654448] ? check_preemption_disabled+0x48/0x200 [ 230.659479] run_timer_softirq+0x52/0xb0 [ 230.663547] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.668571] __do_softirq+0x30b/0xad8 [ 230.672384] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.677500] ? pvclock_read_flags+0x160/0x160 [ 230.681996] ? lapic_next_event+0x5a/0x90 [ 230.686149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.691691] ? check_preemption_disabled+0x48/0x200 [ 230.696711] ? check_preemption_disabled+0x48/0x200 [ 230.701738] ? kvm_clock_read+0x18/0x30 [ 230.705713] ? kvm_sched_clock_read+0x9/0x20 [ 230.710125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.715666] ? check_preemption_disabled+0x48/0x200 [ 230.720697] irq_exit+0x17f/0x1c0 [ 230.724160] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.729006] ? smp_reschedule_interrupt+0x109/0x650 [ 230.734028] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.739943] ? interrupt_entry+0xb5/0xf0 [ 230.744012] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.749030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.754050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.758894] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.763923] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.768941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.774482] ? check_preemption_disabled+0x48/0x200 [ 230.779496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.785043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.789904] apic_timer_interrupt+0xf/0x20 [ 230.794154] [ 230.796402] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 230.801339] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 230.820244] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.827956] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 230.835221] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 230.842487] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 230.849752] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 230.857020] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 230.864336] skb_clone+0x1bb/0x500 [ 230.867878] ? finish_task_switch+0x1b5/0x900 [ 230.872393] ? skb_split+0x11e0/0x11e0 [ 230.876286] ? preempt_notifier_register+0x200/0x200 [ 230.881388] ? __switch_to_asm+0x34/0x70 [ 230.885456] ? __switch_to_asm+0x34/0x70 [ 230.889518] ? __switch_to_asm+0x40/0x70 [ 230.893577] ? __switch_to_asm+0x34/0x70 [ 230.897634] ? __switch_to_asm+0x40/0x70 [ 230.901691] ? __switch_to_asm+0x34/0x70 [ 230.905749] ? __switch_to_asm+0x40/0x70 [ 230.909807] ? __switch_to_asm+0x34/0x70 [ 230.913868] ? __switch_to_asm+0x34/0x70 [ 230.917931] ? __switch_to_asm+0x40/0x70 [ 230.922001] ? __switch_to_asm+0x34/0x70 [ 230.926073] bpf_clone_redirect+0xb9/0x490 [ 230.930319] ? __schedule+0x874/0x1ed0 [ 230.934217] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 230.939237] ? __sched_text_start+0x8/0x8 [ 230.943404] ? find_held_lock+0x36/0x1c0 [ 230.947481] ? lock_acquire+0x1ed/0x520 [ 230.951456] ? bpf_test_run+0x32e/0x5a0 [ 230.955443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.960985] ? check_preemption_disabled+0x48/0x200 [ 230.966017] ? kasan_check_read+0x11/0x20 [ 230.970170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.975450] ? rcu_bh_qs+0xc0/0xc0 [ 230.978994] ? preempt_schedule+0x4d/0x60 [ 230.983149] ? ___preempt_schedule+0x16/0x18 [ 230.987569] ? bpf_test_run+0x1c0/0x5a0 [ 230.991556] ? netlink_diag_dump+0x2a0/0x2a0 [ 230.995991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.001528] ? bpf_test_init.isra.9+0x70/0x100 [ 231.006122] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.010887] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.015744] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.021280] ? fput+0x130/0x1a0 [ 231.024561] ? __bpf_prog_get+0x9b/0x290 [ 231.028625] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.033477] ? bpf_prog_test_run+0x130/0x1a0 [ 231.037892] ? __x64_sys_bpf+0x3d8/0x510 [ 231.041971] ? bpf_prog_get+0x20/0x20 [ 231.045796] ? do_syscall_64+0x1b9/0x820 [ 231.049858] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.055242] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.060183] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.065205] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.070223] ? recalc_sigpending_tsk+0x180/0x180 [ 231.074981] ? kasan_check_write+0x14/0x20 [ 231.079223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.084249] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.089626] warn_alloc_show_mem: 1 callbacks suppressed [ 231.089638] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 231.089640] Mem-Info: [ 231.089672] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 231.089672] active_file:13 inactive_file:13 isolated_file:1 [ 231.089672] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.089672] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 231.089672] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 231.089672] free:13741 free_pcp:221 free_cma:0 [ 231.095013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.101947] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 231.104343] Call Trace: [ 231.137396] Node 0 [ 231.146750] [ 231.174617] 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 [ 231.177182] dump_stack+0x1c4/0x2b4 [ 231.179379] lowmem_reserve[]: 0 [ 231.181534] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.207019] 2819 [ 231.210662] warn_alloc.cold.119+0xb7/0x1bd [ 231.213895] 6323 6323 [ 231.219107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.225460] ? lock_downgrade+0x900/0x900 [ 231.227930] Node 0 [ 231.232775] ? trace_hardirqs_off+0xb8/0x310 [ 231.236925] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 231.239142] ? trace_hardirqs_off+0xb8/0x310 [ 231.243521] lowmem_reserve[]: [ 231.270600] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.274986] 0 [ 231.278128] ? warn_alloc+0x120/0x120 [ 231.282904] 0 3503 [ 231.284722] ? warn_alloc+0x120/0x120 [ 231.288486] 3503 [ 231.290721] ? print_usage_bug+0xc0/0xc0 [ 231.296551] ? warn_alloc+0x120/0x120 [ 231.300588] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 231.304419] ? print_usage_bug+0xc0/0xc0 [ 231.304436] ? __lock_acquire+0x7ec/0x4ec0 [ 231.333669] lowmem_reserve[]: 0 [ 231.337757] ? __lock_acquire+0x7ec/0x4ec0 [ 231.341949] 0 0 [ 231.345238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.349434] 0 [ 231.351415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.356930] Node 0 [ 231.358733] ? should_fail+0x22d/0xd01 [ 231.364245] DMA: 1*4kB [ 231.366499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.370362] (U) [ 231.372954] ? __lock_acquire+0x7ec/0x4ec0 [ 231.378039] 0*8kB [ 231.380022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.384226] 0*16kB 1*32kB [ 231.386393] ? __lock_acquire+0x7ec/0x4ec0 [ 231.391473] (U) [ 231.394321] ? should_fail+0x22d/0xd01 [ 231.394348] ? mark_held_locks+0x130/0x130 [ 231.398578] 2*64kB [ 231.400580] ? mark_held_locks+0x130/0x130 [ 231.404436] (U) 1*128kB [ 231.408690] ? graph_lock+0x170/0x170 [ 231.410915] (U) [ 231.415169] ? print_usage_bug+0xc0/0xc0 [ 231.417820] 1*256kB [ 231.421626] ? graph_lock+0x170/0x170 [ 231.423570] (U) [ 231.427638] ? print_usage_bug+0xc0/0xc0 [ 231.429940] 0*512kB [ 231.433740] ? wq_watchdog_touch+0x9c/0xfe [ 231.435678] 1*1024kB (U) [ 231.439868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.442171] 1*2048kB [ 231.446401] ? check_preemption_disabled+0x48/0x200 [ 231.449134] (M) [ 231.454673] ? check_preemption_disabled+0x48/0x200 [ 231.457055] 3*4096kB [ 231.462076] ? __lock_is_held+0xb5/0x140 [ 231.464020] (M) [ 231.469039] __alloc_pages_nodemask+0xa80/0xde0 [ 231.471422] = 15908kB [ 231.475476] ? graph_lock+0x170/0x170 [ 231.477428] Node 0 [ 231.482097] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.484478] DMA32: [ 231.488277] ? graph_lock+0x170/0x170 [ 231.490485] 5*4kB [ 231.495508] ? find_held_lock+0x36/0x1c0 [ 231.497710] (UM) [ 231.501516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.503632] 0*8kB [ 231.507687] ? lock_downgrade+0x900/0x900 [ 231.509724] 3*16kB [ 231.514395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.516513] (UM) [ 231.520663] cache_grow_begin+0x91/0x8c0 [ 231.522870] 2*32kB [ 231.528408] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.530446] (M) [ 231.534513] fallback_alloc+0x203/0x2e0 [ 231.536718] 5*64kB [ 231.541126] ____cache_alloc_node+0x1c7/0x1e0 [ 231.543067] (UM) [ 231.547041] kmem_cache_alloc_node+0xe3/0x730 [ 231.549240] 3*128kB (M) [ 231.553747] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.555784] 3*256kB [ 231.560297] __alloc_skb+0x119/0x770 [ 231.562931] (M) [ 231.567167] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.569464] 4*512kB [ 231.573179] ? skb_scrub_packet+0x490/0x490 [ 231.575123] (UM) [ 231.580411] ? lock_downgrade+0x900/0x900 [ 231.582713] 3*1024kB [ 231.587039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.589066] (UM) [ 231.593211] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.595597] 1*2048kB [ 231.601133] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.603169] (M) [ 231.608615] ? addrconf_rs_timer+0x690/0x690 [ 231.610995] 4*4096kB [ 231.616452] ndisc_alloc_skb+0x144/0x340 [ 231.618393] (M) [ 231.622804] ndisc_send_rs+0x331/0x6e0 [ 231.625201] = 25156kB [ 231.629261] addrconf_rs_timer+0x314/0x690 [ 231.631209] Node 0 [ 231.635107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.637477] Normal: 1005*4kB [ 231.641724] call_timer_fn+0x272/0x920 [ 231.643925] (MEH) [ 231.648161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.651238] 451*8kB [ 231.655130] ? process_timeout+0x40/0x40 [ 231.657254] (ME) [ 231.661485] ? find_held_lock+0x36/0x1c0 [ 231.663779] 184*16kB [ 231.667838] ? mark_held_locks+0xc7/0x130 [ 231.669864] (UME) [ 231.673934] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.676322] 94*32kB [ 231.680463] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.682585] (UME) [ 231.687080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.689376] 5*64kB [ 231.693867] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.695989] (UM) [ 231.700220] ? trace_hardirqs_on+0xbd/0x310 [ 231.702441] 0*128kB [ 231.707043] ? kasan_check_read+0x11/0x20 [ 231.709077] 0*256kB [ 231.713393] ? __run_timers+0x7da/0xc70 [ 231.715691] 0*512kB [ 231.719839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.722138] 0*1024kB [ 231.726123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.728433] 0*2048kB [ 231.733893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.736289] 0*4096kB [ 231.740540] __run_timers+0x7e5/0xc70 [ 231.742934] = 13900kB [ 231.747182] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.749558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.753347] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.755735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.761105] ? graph_lock+0x170/0x170 [ 231.769923] 4241 total pagecache pages [ 231.774948] ? print_usage_bug+0xc0/0xc0 [ 231.783499] 0 pages in swap cache [ 231.787294] ? lock_release+0x970/0x970 [ 231.791158] Swap cache stats: add 0, delete 0, find 0/0 [ 231.795210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.798633] Free swap = 0kB [ 231.798641] Total swap = 0kB [ 231.802610] ? find_held_lock+0x36/0x1c0 [ 231.807959] 1965979 pages RAM [ 231.813144] ? graph_lock+0x170/0x170 [ 231.816129] 0 pages HighMem/MovableOnly [ 231.816138] 342307 pages reserved [ 231.819154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.823186] 0 pages cma reserved [ 231.826289] ? check_preemption_disabled+0x48/0x200 [ 231.830142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.834033] ? __lock_is_held+0xb5/0x140 [ 231.834049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.834067] ? check_preemption_disabled+0x48/0x200 [ 231.837558] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.843039] run_timer_softirq+0x52/0xb0 [ 231.846379] syz-executor5 cpuset= [ 231.851388] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.857851] syz5 [ 231.861927] __do_softirq+0x30b/0xad8 [ 231.867443] mems_allowed=0 [ 231.872468] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.909250] ? pvclock_read_flags+0x160/0x160 [ 231.913755] ? lapic_next_event+0x5a/0x90 [ 231.917921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.923476] ? check_preemption_disabled+0x48/0x200 [ 231.928499] ? check_preemption_disabled+0x48/0x200 [ 231.933523] ? kvm_clock_read+0x18/0x30 [ 231.937498] ? kvm_sched_clock_read+0x9/0x20 [ 231.941926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.947471] ? check_preemption_disabled+0x48/0x200 [ 231.952504] irq_exit+0x17f/0x1c0 [ 231.955967] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.960816] ? smp_reschedule_interrupt+0x109/0x650 [ 231.965843] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.971732] ? interrupt_entry+0xb5/0xf0 [ 231.975802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.980823] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.985850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.990703] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.995722] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.000746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.006301] ? check_preemption_disabled+0x48/0x200 [ 232.011319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.016870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.021751] apic_timer_interrupt+0xf/0x20 [ 232.025983] [ 232.028225] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 232.033246] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 232.052161] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 232.059890] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 232.067189] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 232.074485] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 232.081774] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 232.089058] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 232.096396] ? list_lru_count_one+0x36d/0x450 [ 232.100915] ? list_lru_count_one+0x260/0x450 [ 232.105438] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.111253] ? kasan_check_read+0x11/0x20 [ 232.115414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.120706] ? rcu_bh_qs+0xc0/0xc0 [ 232.124271] list_lru_count_one+0x265/0x450 [ 232.128602] ? list_lru_add+0x980/0x980 [ 232.132585] ? deferred_split_count+0x65/0x170 [ 232.137166] ? shrink_huge_zero_page_count+0xc8/0x100 [ 232.142363] super_cache_count+0x153/0x2e0 [ 232.146608] do_shrink_slab+0x1a7/0xd20 [ 232.150597] ? lock_release+0x970/0x970 [ 232.154576] ? snapshot_refaults+0x290/0x290 [ 232.158995] ? ___might_sleep+0x1ed/0x300 [ 232.163152] ? down_read_trylock+0xff/0x1e0 [ 232.167480] ? shrink_slab+0x207/0x8c0 [ 232.171372] ? downgrade_write+0x2b0/0x2b0 [ 232.175616] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.181165] ? shrink_node_memcg+0xc82/0x18e0 [ 232.185682] shrink_slab+0x389/0x8c0 [ 232.189401] ? shrink_active_list+0x1c20/0x1c20 [ 232.194086] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 232.199714] ? kasan_check_read+0x11/0x20 [ 232.203872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.208301] ? ___preempt_schedule+0x16/0x18 [ 232.212718] ? _raw_spin_unlock+0x3f/0x50 [ 232.216884] shrink_node+0x431/0x16b0 [ 232.220704] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 232.226012] ? shrink_node_memcg+0x18e0/0x18e0 [ 232.230613] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.235205] ? trace_hardirqs_on+0xbd/0x310 [ 232.239534] ? vmpressure+0x271/0x340 [ 232.243346] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 232.247963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.253513] ? __cpuset_node_allowed+0x19b/0x660 [ 232.258295] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 232.264035] ? vmpressure+0x1a2/0x340 [ 232.267874] do_try_to_free_pages+0x3e7/0x1290 [ 232.272517] ? shrink_node+0x16b0/0x16b0 [ 232.276605] ? __lock_is_held+0xb5/0x140 [ 232.280703] try_to_free_pages+0x4d0/0xb90 [ 232.284975] ? do_try_to_free_pages+0x1290/0x1290 [ 232.289861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.295444] ? lock_acquire+0x1ed/0x520 [ 232.299439] ? set_page_refcounted+0x280/0x280 [ 232.304052] ? lock_release+0x970/0x970 [ 232.308051] ? ___might_sleep+0x1ed/0x300 [ 232.312222] ? arch_local_save_flags+0x40/0x40 [ 232.316838] __alloc_pages_slowpath+0x993/0x2d80 [ 232.321648] ? warn_alloc+0x120/0x120 [ 232.325478] ? __radix_tree_lookup+0x4c0/0x4c0 [ 232.330100] ? find_get_entry+0x2f2/0xc40 [ 232.334279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.339847] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 232.344798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.350353] ? should_fail+0x22d/0xd01 [ 232.354262] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.359375] ? __lock_is_held+0xb5/0x140 [ 232.363468] ? __lock_is_held+0xb5/0x140 [ 232.367539] ? __lock_acquire+0x7ec/0x4ec0 [ 232.371778] ? ___might_sleep+0x1ed/0x300 [ 232.375936] ? lock_release+0x970/0x970 [ 232.379929] ? arch_local_save_flags+0x40/0x40 [ 232.384529] ? __might_sleep+0x95/0x190 [ 232.388514] __alloc_pages_nodemask+0xa80/0xde0 [ 232.393204] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.398226] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.404029] ? kasan_check_read+0x11/0x20 [ 232.408184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.413470] ? graph_lock+0x170/0x170 [ 232.417273] ? print_usage_bug+0xc0/0xc0 [ 232.421342] ? graph_lock+0x170/0x170 [ 232.425141] ? graph_lock+0x170/0x170 [ 232.428958] ? __do_page_cache_readahead+0x7ce/0x980 [ 232.434067] ? find_held_lock+0x36/0x1c0 [ 232.438134] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 232.443677] alloc_pages_current+0x10c/0x210 [ 232.448087] ? lock_downgrade+0x900/0x900 [ 232.452244] __page_cache_alloc+0x38f/0x5b0 [ 232.456571] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.462373] ? kasan_check_read+0x11/0x20 [ 232.466529] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.471819] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 232.476499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.482057] ? check_preemption_disabled+0x48/0x200 [ 232.487104] filemap_fault+0x1594/0x25f0 [ 232.491199] ? __lock_page_or_retry+0xa00/0xa00 [ 232.495882] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.501701] ? kasan_check_read+0x11/0x20 [ 232.505868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.511178] ? ep_scan_ready_list+0xbeb/0x1050 [ 232.515774] ? rcu_bh_qs+0xc0/0xc0 [ 232.519327] ? lock_downgrade+0x900/0x900 [ 232.523499] ? graph_lock+0x170/0x170 [ 232.527319] ? filemap_map_pages+0xdea/0x1980 [ 232.531845] ? find_get_pages_range_tag+0x1320/0x1320 [ 232.537139] ? wait_for_completion+0x8a0/0x8a0 [ 232.541742] ? graph_lock+0x170/0x170 [ 232.545590] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.550184] ? kasan_check_read+0x11/0x20 [ 232.554346] ? ep_scan_ready_list+0xbc7/0x1050 [ 232.558959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.564438] ? lock_acquire+0x1ed/0x520 [ 232.568419] ? ext4_filemap_fault+0x7a/0xad [ 232.572755] ? lock_release+0x970/0x970 [ 232.576733] ? arch_local_save_flags+0x40/0x40 [ 232.581318] ? ep_poll_callback+0x10e0/0x10e0 [ 232.585835] ? down_read+0xb0/0x1d0 [ 232.589461] ? ext4_filemap_fault+0x7a/0xad [ 232.593786] ? __down_interruptible+0x700/0x700 [ 232.598465] ? get_futex_key+0x21b0/0x21b0 [ 232.602727] ext4_filemap_fault+0x82/0xad [ 232.606879] __do_fault+0x100/0x6b0 [ 232.610522] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.615029] ? print_bad_pte+0x6c0/0x6c0 [ 232.619093] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.623690] ? trace_hardirqs_on+0xbd/0x310 [ 232.628012] ? kasan_check_read+0x11/0x20 [ 232.632165] ? pmd_val+0x88/0x100 [ 232.635621] ? add_mm_counter_fast+0xd0/0xd0 [ 232.640031] ? pmd_val+0x88/0x100 [ 232.643487] ? add_mm_counter_fast+0xd0/0xd0 [ 232.647919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.653475] __handle_mm_fault+0x3709/0x53e0 [ 232.657913] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 232.662763] ? graph_lock+0x170/0x170 [ 232.666574] ? print_usage_bug+0xc0/0xc0 [ 232.670635] ? rcu_bh_qs+0xc0/0xc0 [ 232.674176] ? graph_lock+0x170/0x170 [ 232.677980] ? graph_lock+0x170/0x170 [ 232.681805] ? handle_mm_fault+0x42a/0xc70 [ 232.686047] ? lock_downgrade+0x900/0x900 [ 232.690204] ? check_preemption_disabled+0x48/0x200 [ 232.695253] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.701062] ? kasan_check_read+0x11/0x20 [ 232.705223] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.710515] ? rcu_bh_qs+0xc0/0xc0 [ 232.714066] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.719540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.725123] ? check_preemption_disabled+0x48/0x200 [ 232.730168] handle_mm_fault+0x54f/0xc70 [ 232.734252] ? __handle_mm_fault+0x53e0/0x53e0 [ 232.739201] ? find_vma+0x34/0x190 [ 232.742758] __do_page_fault+0x67d/0xed0 [ 232.746855] ? mm_fault_error+0x380/0x380 [ 232.751031] ? trace_hardirqs_off+0xb8/0x310 [ 232.755452] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.760832] ? trace_hardirqs_on+0x310/0x310 [ 232.765254] do_page_fault+0xf2/0x7e0 [ 232.769057] ? vmalloc_sync_all+0x30/0x30 [ 232.773211] ? error_entry+0x70/0xd0 [ 232.776936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.781955] ? trace_hardirqs_on_caller+0xc0/0x310 [ 232.786887] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.791846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.796709] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.801737] ? trace_hardirqs_off+0x310/0x310 [ 232.806245] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.811273] ? page_fault+0x8/0x30 [ 232.814821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.819676] ? page_fault+0x8/0x30 [ 232.823226] page_fault+0x1e/0x30 [ 232.826684] RIP: 0033:0x45df89 [ 232.829880] Code: Bad RIP value. [ 232.833256] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 232.838623] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 232.845915] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 232.853206] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 232.860488] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 232.867781] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 232.875083] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 232.875149] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.882271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.882276] Call Trace: [ 232.882283] [ 232.882305] dump_stack+0x1c4/0x2b4 [ 232.882324] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.882350] warn_alloc.cold.119+0xb7/0x1bd [ 232.888880] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.898200] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.900765] syz-fuzzer cpuset= [ 232.902933] ? lock_downgrade+0x900/0x900 [ 232.906538] / [ 232.911741] ? trace_hardirqs_off+0xb8/0x310 [ 232.916035] mems_allowed=0 [ 232.926270] ? trace_hardirqs_off+0xb8/0x310 [ 232.951847] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.956734] ? warn_alloc+0x120/0x120 [ 232.960560] ? warn_alloc+0x120/0x120 [ 232.964370] ? print_usage_bug+0xc0/0xc0 [ 232.968439] ? warn_alloc+0x120/0x120 [ 232.972244] ? print_usage_bug+0xc0/0xc0 [ 232.976321] ? __lock_acquire+0x7ec/0x4ec0 [ 232.980556] ? __lock_acquire+0x7ec/0x4ec0 [ 232.984796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.990346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.995884] ? should_fail+0x22d/0xd01 [ 232.999789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.004893] ? __lock_acquire+0x7ec/0x4ec0 [ 233.009147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.014256] ? __lock_acquire+0x7ec/0x4ec0 [ 233.018496] ? should_fail+0x22d/0xd01 [ 233.022406] ? mark_held_locks+0x130/0x130 [ 233.026652] ? mark_held_locks+0x130/0x130 [ 233.030888] ? graph_lock+0x170/0x170 [ 233.034699] ? print_usage_bug+0xc0/0xc0 [ 233.038765] ? graph_lock+0x170/0x170 [ 233.042567] ? print_usage_bug+0xc0/0xc0 [ 233.046628] ? wq_watchdog_touch+0x9c/0xfe [ 233.050864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.056419] ? check_preemption_disabled+0x48/0x200 [ 233.061441] ? check_preemption_disabled+0x48/0x200 [ 233.066478] ? __lock_is_held+0xb5/0x140 [ 233.070557] __alloc_pages_nodemask+0xa80/0xde0 [ 233.075251] ? graph_lock+0x170/0x170 [ 233.079063] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.084085] ? graph_lock+0x170/0x170 [ 233.087911] ? find_held_lock+0x36/0x1c0 [ 233.092004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.096700] ? lock_downgrade+0x900/0x900 [ 233.100863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.106428] cache_grow_begin+0x91/0x8c0 [ 233.110499] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.114932] fallback_alloc+0x203/0x2e0 [ 233.118932] ____cache_alloc_node+0x1c7/0x1e0 [ 233.123447] kmem_cache_alloc_node+0xe3/0x730 [ 233.127962] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.132229] __alloc_skb+0x119/0x770 [ 233.135964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.141257] ? skb_scrub_packet+0x490/0x490 [ 233.145587] ? lock_downgrade+0x900/0x900 [ 233.149750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.155322] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.160789] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.166246] ? addrconf_rs_timer+0x690/0x690 [ 233.170669] ndisc_alloc_skb+0x144/0x340 [ 233.174739] ndisc_send_rs+0x331/0x6e0 [ 233.178636] addrconf_rs_timer+0x314/0x690 [ 233.182882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.187142] call_timer_fn+0x272/0x920 [ 233.191043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.195283] ? process_timeout+0x40/0x40 [ 233.199343] ? find_held_lock+0x36/0x1c0 [ 233.203419] ? __run_timers+0x7da/0xc70 [ 233.207400] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.211907] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.216414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.220651] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.225238] ? trace_hardirqs_on+0xbd/0x310 [ 233.229560] ? kasan_check_read+0x11/0x20 [ 233.233713] ? __run_timers+0x7da/0xc70 [ 233.237690] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.243154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.247405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.251662] __run_timers+0x7e5/0xc70 [ 233.255481] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.260848] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.265868] ? graph_lock+0x170/0x170 [ 233.269682] ? enqueue_hrtimer+0x1a5/0x560 [ 233.273922] ? lock_release+0x970/0x970 [ 233.277917] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.283139] ? find_held_lock+0x36/0x1c0 [ 233.287213] ? graph_lock+0x170/0x170 [ 233.291020] ? pvclock_read_flags+0x160/0x160 [ 233.295524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.301084] ? check_preemption_disabled+0x48/0x200 [ 233.306144] ? __lock_is_held+0xb5/0x140 [ 233.310400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.315954] ? check_preemption_disabled+0x48/0x200 [ 233.320988] run_timer_softirq+0x52/0xb0 [ 233.325065] ? rcu_read_lock_sched_held+0x108/0x120 [ 233.330094] __do_softirq+0x30b/0xad8 [ 233.333918] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.339050] ? pvclock_read_flags+0x160/0x160 [ 233.343550] ? lapic_next_event+0x5a/0x90 [ 233.347707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.353264] ? check_preemption_disabled+0x48/0x200 [ 233.358301] ? check_preemption_disabled+0x48/0x200 [ 233.363365] ? kvm_clock_read+0x18/0x30 [ 233.367350] ? kvm_sched_clock_read+0x9/0x20 [ 233.371788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.377338] ? check_preemption_disabled+0x48/0x200 [ 233.382378] irq_exit+0x17f/0x1c0 [ 233.385853] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.390707] ? smp_reschedule_interrupt+0x109/0x650 [ 233.395741] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.401637] ? interrupt_entry+0xb5/0xf0 [ 233.405718] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.410747] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.415774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.420641] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.425669] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.430689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.436231] ? check_preemption_disabled+0x48/0x200 [ 233.441772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.447320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.452175] apic_timer_interrupt+0xf/0x20 [ 233.456403] [ 233.458647] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 233.463579] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 233.482488] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 233.490204] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 233.497472] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 233.504741] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 233.512012] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.519284] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 233.526599] skb_clone+0x1bb/0x500 [ 233.530141] ? finish_task_switch+0x1b5/0x900 [ 233.534637] ? skb_split+0x11e0/0x11e0 [ 233.538529] ? preempt_notifier_register+0x200/0x200 [ 233.543632] ? __switch_to_asm+0x34/0x70 [ 233.547691] ? __switch_to_asm+0x34/0x70 [ 233.551748] ? __switch_to_asm+0x40/0x70 [ 233.555811] ? __switch_to_asm+0x34/0x70 [ 233.559871] ? __switch_to_asm+0x40/0x70 [ 233.563939] ? __switch_to_asm+0x34/0x70 [ 233.568003] ? __switch_to_asm+0x40/0x70 [ 233.572063] ? __switch_to_asm+0x34/0x70 [ 233.576124] ? __switch_to_asm+0x34/0x70 [ 233.580185] ? __switch_to_asm+0x40/0x70 [ 233.584246] ? __switch_to_asm+0x34/0x70 [ 233.588314] bpf_clone_redirect+0xb9/0x490 [ 233.592550] ? __schedule+0x874/0x1ed0 [ 233.596447] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 233.601467] ? __sched_text_start+0x8/0x8 [ 233.605685] ? find_held_lock+0x36/0x1c0 [ 233.609759] ? lock_acquire+0x1ed/0x520 [ 233.613731] ? bpf_test_run+0x32e/0x5a0 [ 233.617706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.623247] ? check_preemption_disabled+0x48/0x200 [ 233.628268] ? kasan_check_read+0x11/0x20 [ 233.632423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.637701] ? rcu_bh_qs+0xc0/0xc0 [ 233.641246] ? preempt_schedule+0x4d/0x60 [ 233.645399] ? ___preempt_schedule+0x16/0x18 [ 233.649821] ? bpf_test_run+0x1c0/0x5a0 [ 233.653812] ? netlink_diag_dump+0x2a0/0x2a0 [ 233.658234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.663774] ? bpf_test_init.isra.9+0x70/0x100 [ 233.668360] ? bpf_prog_test_run_skb+0x634/0xb40 [ 233.673121] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.677963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.683501] ? fput+0x130/0x1a0 [ 233.686784] ? __bpf_prog_get+0x9b/0x290 [ 233.690846] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.695685] ? bpf_prog_test_run+0x130/0x1a0 [ 233.700100] ? __x64_sys_bpf+0x3d8/0x510 [ 233.704166] ? bpf_prog_get+0x20/0x20 [ 233.707993] ? do_syscall_64+0x1b9/0x820 [ 233.712060] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.717433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.722365] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.727381] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.732403] ? recalc_sigpending_tsk+0x180/0x180 [ 233.737164] ? kasan_check_write+0x14/0x20 [ 233.741426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.746286] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.751667] warn_alloc_show_mem: 1 callbacks suppressed [ 233.751680] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 233.751681] Mem-Info: [ 233.751712] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 233.751712] active_file:13 inactive_file:13 isolated_file:1 [ 233.751712] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.751712] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 233.751712] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 233.751712] free:13741 free_pcp:221 free_cma:0 [ 233.757050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.757058] Call Trace: [ 233.763995] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.766392] [ 233.799451] Node 0 [ 233.808826] dump_stack+0x1c4/0x2b4 [ 233.811413] 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 [ 233.839238] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.841358] lowmem_reserve[]: [ 233.843600] warn_alloc.cold.119+0xb7/0x1bd [ 233.847191] 0 [ 233.872701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.877874] 2819 [ 233.880983] ? lock_downgrade+0x900/0x900 [ 233.885270] 6323 6323 [ 233.887088] ? trace_hardirqs_off+0xb8/0x310 [ 233.893982] ? trace_hardirqs_off+0xb8/0x310 [ 233.898106] Node 0 [ 233.900604] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.905002] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.909401] ? warn_alloc+0x120/0x120 [ 233.911585] lowmem_reserve[]: 0 [ 233.916431] ? warn_alloc+0x120/0x120 [ 233.943482] 0 [ 233.947295] ? print_usage_bug+0xc0/0xc0 [ 233.950536] 3503 [ 233.954335] ? warn_alloc+0x120/0x120 [ 233.956105] 3503 [ 233.960168] ? print_usage_bug+0xc0/0xc0 [ 233.962211] Node 0 [ 233.966011] ? __lock_acquire+0x7ec/0x4ec0 [ 233.968072] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 233.972096] ? __lock_acquire+0x7ec/0x4ec0 [ 233.974301] lowmem_reserve[]: 0 [ 233.978539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.006979] 0 [ 234.011222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.014465] 0 [ 234.019998] ? should_fail+0x22d/0xd01 [ 234.021774] 0 [ 234.027313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.029087] Node 0 [ 234.032969] ? __lock_acquire+0x7ec/0x4ec0 [ 234.034738] DMA: 1*4kB [ 234.039845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.042057] (U) [ 234.046287] ? __lock_acquire+0x7ec/0x4ec0 [ 234.046303] ? should_fail+0x22d/0xd01 [ 234.048885] 0*8kB [ 234.054006] ? mark_held_locks+0x130/0x130 [ 234.055964] 0*16kB [ 234.060188] ? mark_held_locks+0x130/0x130 [ 234.064054] 1*32kB [ 234.066198] ? graph_lock+0x170/0x170 [ 234.070406] (U) [ 234.072635] ? print_usage_bug+0xc0/0xc0 [ 234.076838] 2*64kB (U) [ 234.079078] ? graph_lock+0x170/0x170 [ 234.082848] 1*128kB (U) [ 234.084824] ? print_usage_bug+0xc0/0xc0 [ 234.088858] 1*256kB [ 234.091436] ? wq_watchdog_touch+0x9c/0xfe [ 234.095210] (U) [ 234.097874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.101928] 0*512kB [ 234.104253] ? check_preemption_disabled+0x48/0x200 [ 234.108457] 1*1024kB [ 234.110423] ? check_preemption_disabled+0x48/0x200 [ 234.110448] ? __lock_is_held+0xb5/0x140 [ 234.115955] (U) [ 234.118277] __alloc_pages_nodemask+0xa80/0xde0 [ 234.123264] 1*2048kB (M) [ 234.125677] ? graph_lock+0x170/0x170 [ 234.130672] 3*4096kB [ 234.134724] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.136668] (M) = 15908kB [ 234.141336] ? graph_lock+0x170/0x170 [ 234.144069] Node 0 [ 234.147866] ? find_held_lock+0x36/0x1c0 [ 234.150238] DMA32: 5*4kB [ 234.155261] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.157988] (UM) [ 234.161785] ? lock_downgrade+0x900/0x900 [ 234.163996] 0*8kB [ 234.168056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.170778] 3*16kB (UM) [ 234.175448] cache_grow_begin+0x91/0x8c0 [ 234.177514] 2*32kB [ 234.181654] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.183779] (M) [ 234.189316] fallback_alloc+0x203/0x2e0 [ 234.191954] 5*64kB (UM) [ 234.196021] ____cache_alloc_node+0x1c7/0x1e0 [ 234.198228] 3*128kB [ 234.202629] kmem_cache_alloc_node+0xe3/0x730 [ 234.204577] (M) [ 234.208549] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.211195] 3*256kB [ 234.215687] __alloc_skb+0x119/0x770 [ 234.217980] (M) [ 234.222467] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.224423] 4*512kB [ 234.228648] ? skb_scrub_packet+0x490/0x490 [ 234.230945] (UM) 3*1024kB [ 234.234663] ? lock_downgrade+0x900/0x900 [ 234.236616] (UM) [ 234.241887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.244179] 1*2048kB [ 234.248495] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.251312] (M) [ 234.255458] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.257497] 4*4096kB [ 234.263036] ? addrconf_rs_timer+0x690/0x690 [ 234.265439] (M) [ 234.270892] ndisc_alloc_skb+0x144/0x340 [ 234.272836] = 25156kB [ 234.278278] ndisc_send_rs+0x331/0x6e0 [ 234.280660] Node 0 [ 234.285083] addrconf_rs_timer+0x314/0x690 [ 234.287028] Normal: 1005*4kB [ 234.291094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.293475] (MEH) [ 234.297367] call_timer_fn+0x272/0x920 [ 234.299563] 451*8kB (ME) [ 234.303799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.306877] 184*16kB (UME) [ 234.311126] ? process_timeout+0x40/0x40 [ 234.313251] 94*32kB [ 234.317129] ? find_held_lock+0x36/0x1c0 [ 234.319859] (UME) [ 234.324094] ? mark_held_locks+0xc7/0x130 [ 234.326996] 5*64kB [ 234.331047] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.333338] (UM) 0*128kB [ 234.337399] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.339530] 0*256kB [ 234.343671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.345880] 0*512kB 0*1024kB [ 234.350386] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.353110] 0*2048kB 0*4096kB [ 234.357604] ? trace_hardirqs_on+0xbd/0x310 [ 234.359907] = 13900kB [ 234.364134] ? kasan_check_read+0x11/0x20 [ 234.367219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.371787] ? __run_timers+0x7da/0xc70 [ 234.374956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.379263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.381650] 4241 total pagecache pages [ 234.385789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.394602] 0 pages in swap cache [ 234.398571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.407126] Swap cache stats: add 0, delete 0, find 0/0 [ 234.412568] __run_timers+0x7e5/0xc70 [ 234.416435] Free swap = 0kB [ 234.420673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.424089] Total swap = 0kB [ 234.428321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.433657] 1965979 pages RAM [ 234.437447] ? graph_lock+0x170/0x170 [ 234.440440] 0 pages HighMem/MovableOnly [ 234.445795] ? print_usage_bug+0xc0/0xc0 [ 234.448782] 342307 pages reserved [ 234.448790] 0 pages cma reserved [ 234.453799] ? lock_release+0x970/0x970 [ 234.456982] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.460682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.460703] ? find_held_lock+0x36/0x1c0 [ 234.460721] ? graph_lock+0x170/0x170 [ 234.464743] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.468730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.472161] syz-executor5 cpuset= [ 234.475521] ? check_preemption_disabled+0x48/0x200 [ 234.479469] syz5 [ 234.485958] ? __lock_is_held+0xb5/0x140 [ 234.491122] mems_allowed=0 [ 234.495175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.538255] ? check_preemption_disabled+0x48/0x200 [ 234.543281] run_timer_softirq+0x52/0xb0 [ 234.547345] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.552367] __do_softirq+0x30b/0xad8 [ 234.556191] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.561299] ? pvclock_read_flags+0x160/0x160 [ 234.565796] ? lapic_next_event+0x5a/0x90 [ 234.569949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.575489] ? check_preemption_disabled+0x48/0x200 [ 234.580504] ? check_preemption_disabled+0x48/0x200 [ 234.585524] ? kvm_clock_read+0x18/0x30 [ 234.589501] ? kvm_sched_clock_read+0x9/0x20 [ 234.593930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.599473] ? check_preemption_disabled+0x48/0x200 [ 234.604502] irq_exit+0x17f/0x1c0 [ 234.607958] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.612802] ? smp_reschedule_interrupt+0x109/0x650 [ 234.617819] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.623705] ? interrupt_entry+0xb5/0xf0 [ 234.627768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.632785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.637805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.642653] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.647665] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.652683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.658221] ? check_preemption_disabled+0x48/0x200 [ 234.663236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.668785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.673638] apic_timer_interrupt+0xf/0x20 [ 234.677868] [ 234.680118] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 234.685133] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 234.704030] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 234.711743] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 234.719020] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 234.726289] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 234.733554] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 234.740820] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 234.748105] ? list_lru_count_one+0x36d/0x450 [ 234.752603] ? list_lru_count_one+0x260/0x450 [ 234.757122] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 234.762941] ? kasan_check_read+0x11/0x20 [ 234.767091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.772369] ? rcu_bh_qs+0xc0/0xc0 [ 234.775937] list_lru_count_one+0x265/0x450 [ 234.780260] ? list_lru_add+0x980/0x980 [ 234.784237] ? deferred_split_count+0x65/0x170 [ 234.788817] ? shrink_huge_zero_page_count+0xc8/0x100 [ 234.794010] super_cache_count+0x153/0x2e0 [ 234.798253] do_shrink_slab+0x1a7/0xd20 [ 234.802235] ? lock_release+0x970/0x970 [ 234.806213] ? snapshot_refaults+0x290/0x290 [ 234.810632] ? ___might_sleep+0x1ed/0x300 [ 234.814783] ? down_read_trylock+0xff/0x1e0 [ 234.819100] ? shrink_slab+0x207/0x8c0 [ 234.822989] ? downgrade_write+0x2b0/0x2b0 [ 234.827224] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.832762] ? shrink_node_memcg+0xc82/0x18e0 [ 234.837444] shrink_slab+0x389/0x8c0 [ 234.841160] ? shrink_active_list+0x1c20/0x1c20 [ 234.845837] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 234.851462] ? kasan_check_read+0x11/0x20 [ 234.855613] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.860026] ? ___preempt_schedule+0x16/0x18 [ 234.864442] ? _raw_spin_unlock+0x3f/0x50 [ 234.868596] shrink_node+0x431/0x16b0 [ 234.872396] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 234.877697] ? shrink_node_memcg+0x18e0/0x18e0 [ 234.882281] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.886863] ? trace_hardirqs_on+0xbd/0x310 [ 234.891192] ? vmpressure+0x271/0x340 [ 234.895002] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 234.899591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.905132] ? __cpuset_node_allowed+0x19b/0x660 [ 234.909891] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 234.915613] ? vmpressure+0x1a2/0x340 [ 234.919427] do_try_to_free_pages+0x3e7/0x1290 [ 234.924030] ? shrink_node+0x16b0/0x16b0 [ 234.928091] ? __lock_is_held+0xb5/0x140 [ 234.932166] try_to_free_pages+0x4d0/0xb90 [ 234.936406] ? do_try_to_free_pages+0x1290/0x1290 [ 234.941246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.946797] ? lock_acquire+0x1ed/0x520 [ 234.950770] ? set_page_refcounted+0x280/0x280 [ 234.955358] ? lock_release+0x970/0x970 [ 234.959336] ? ___might_sleep+0x1ed/0x300 [ 234.963491] ? arch_local_save_flags+0x40/0x40 [ 234.968090] __alloc_pages_slowpath+0x993/0x2d80 [ 234.972877] ? warn_alloc+0x120/0x120 [ 234.976690] ? __radix_tree_lookup+0x4c0/0x4c0 [ 234.981284] ? find_get_entry+0x2f2/0xc40 [ 234.985440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.990983] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 234.995924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.001462] ? should_fail+0x22d/0xd01 [ 235.005355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.010457] ? __lock_is_held+0xb5/0x140 [ 235.014547] ? __lock_is_held+0xb5/0x140 [ 235.018615] ? __lock_acquire+0x7ec/0x4ec0 [ 235.022853] ? ___might_sleep+0x1ed/0x300 [ 235.027003] ? lock_release+0x970/0x970 [ 235.030979] ? arch_local_save_flags+0x40/0x40 [ 235.035576] ? __might_sleep+0x95/0x190 [ 235.039556] __alloc_pages_nodemask+0xa80/0xde0 [ 235.044235] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.049254] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.055054] ? kasan_check_read+0x11/0x20 [ 235.059201] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.064479] ? graph_lock+0x170/0x170 [ 235.068282] ? print_usage_bug+0xc0/0xc0 [ 235.072347] ? graph_lock+0x170/0x170 [ 235.076153] ? graph_lock+0x170/0x170 [ 235.079956] ? __do_page_cache_readahead+0x7ce/0x980 [ 235.085066] ? find_held_lock+0x36/0x1c0 [ 235.089133] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.094679] alloc_pages_current+0x10c/0x210 [ 235.099090] ? lock_downgrade+0x900/0x900 [ 235.103247] __page_cache_alloc+0x38f/0x5b0 [ 235.107576] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.113377] ? kasan_check_read+0x11/0x20 [ 235.117528] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.122810] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.127485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.133025] ? check_preemption_disabled+0x48/0x200 [ 235.138053] filemap_fault+0x1594/0x25f0 [ 235.142129] ? __lock_page_or_retry+0xa00/0xa00 [ 235.146798] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.152591] ? kasan_check_read+0x11/0x20 [ 235.156743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.162018] ? ep_scan_ready_list+0xbeb/0x1050 [ 235.166604] ? rcu_bh_qs+0xc0/0xc0 [ 235.170146] ? lock_downgrade+0x900/0x900 [ 235.174478] ? graph_lock+0x170/0x170 [ 235.178292] ? filemap_map_pages+0xdea/0x1980 [ 235.182805] ? find_get_pages_range_tag+0x1320/0x1320 [ 235.187995] ? wait_for_completion+0x8a0/0x8a0 [ 235.192579] ? graph_lock+0x170/0x170 [ 235.196387] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.200985] ? kasan_check_read+0x11/0x20 [ 235.205133] ? ep_scan_ready_list+0xbc7/0x1050 [ 235.209715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.215176] ? lock_acquire+0x1ed/0x520 [ 235.219152] ? ext4_filemap_fault+0x7a/0xad [ 235.223482] ? lock_release+0x970/0x970 [ 235.227456] ? arch_local_save_flags+0x40/0x40 [ 235.232039] ? ep_poll_callback+0x10e0/0x10e0 [ 235.236581] ? down_read+0xb0/0x1d0 [ 235.240205] ? ext4_filemap_fault+0x7a/0xad [ 235.244530] ? __down_interruptible+0x700/0x700 [ 235.249203] ? get_futex_key+0x21b0/0x21b0 [ 235.253454] ext4_filemap_fault+0x82/0xad [ 235.257604] __do_fault+0x100/0x6b0 [ 235.261232] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.265731] ? print_bad_pte+0x6c0/0x6c0 [ 235.269792] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.274377] ? trace_hardirqs_on+0xbd/0x310 [ 235.278694] ? kasan_check_read+0x11/0x20 [ 235.282847] ? pmd_val+0x88/0x100 [ 235.286299] ? add_mm_counter_fast+0xd0/0xd0 [ 235.290716] ? pmd_val+0x88/0x100 [ 235.294172] ? add_mm_counter_fast+0xd0/0xd0 [ 235.298587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.304133] __handle_mm_fault+0x3709/0x53e0 [ 235.309071] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 235.313928] ? graph_lock+0x170/0x170 [ 235.317730] ? print_usage_bug+0xc0/0xc0 [ 235.321791] ? rcu_bh_qs+0xc0/0xc0 [ 235.325347] ? graph_lock+0x170/0x170 [ 235.329144] ? graph_lock+0x170/0x170 [ 235.332963] ? handle_mm_fault+0x42a/0xc70 [ 235.337197] ? lock_downgrade+0x900/0x900 [ 235.341344] ? check_preemption_disabled+0x48/0x200 [ 235.346365] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.352157] ? kasan_check_read+0x11/0x20 [ 235.356305] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.361580] ? rcu_bh_qs+0xc0/0xc0 [ 235.365119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.370569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.376110] ? check_preemption_disabled+0x48/0x200 [ 235.381146] handle_mm_fault+0x54f/0xc70 [ 235.385211] ? __handle_mm_fault+0x53e0/0x53e0 [ 235.389799] ? find_vma+0x34/0x190 [ 235.393347] __do_page_fault+0x67d/0xed0 [ 235.397421] ? mm_fault_error+0x380/0x380 [ 235.401570] ? trace_hardirqs_off+0xb8/0x310 [ 235.405983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.411343] ? trace_hardirqs_on+0x310/0x310 [ 235.415762] do_page_fault+0xf2/0x7e0 [ 235.419566] ? vmalloc_sync_all+0x30/0x30 [ 235.423718] ? error_entry+0x70/0xd0 [ 235.427436] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.432453] ? trace_hardirqs_on_caller+0xc0/0x310 [ 235.437391] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.442612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.447465] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.452477] ? trace_hardirqs_off+0x310/0x310 [ 235.456980] ? prepare_exit_to_usermode+0x291/0x3b0 [ 235.461996] ? page_fault+0x8/0x30 [ 235.465539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.470388] ? page_fault+0x8/0x30 [ 235.473946] page_fault+0x1e/0x30 [ 235.477397] RIP: 0033:0x45df89 [ 235.480595] Code: Bad RIP value. [ 235.483954] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 235.489316] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 235.496582] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 235.503847] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 235.511111] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 235.518376] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 235.525675] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 235.525741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.532866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.532871] Call Trace: [ 235.532878] [ 235.532909] dump_stack+0x1c4/0x2b4 [ 235.532933] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.539463] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.548765] warn_alloc.cold.119+0xb7/0x1bd [ 235.551320] syz-fuzzer cpuset= [ 235.553463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.557062] / [ 235.562244] ? lock_downgrade+0x900/0x900 [ 235.572445] mems_allowed=0 [ 235.576759] ? trace_hardirqs_off+0xb8/0x310 [ 235.597913] ? trace_hardirqs_off+0xb8/0x310 [ 235.602335] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.607208] ? warn_alloc+0x120/0x120 [ 235.611013] ? warn_alloc+0x120/0x120 [ 235.614815] ? print_usage_bug+0xc0/0xc0 [ 235.618878] ? warn_alloc+0x120/0x120 [ 235.622709] ? print_usage_bug+0xc0/0xc0 [ 235.626772] ? __lock_acquire+0x7ec/0x4ec0 [ 235.631007] ? __lock_acquire+0x7ec/0x4ec0 [ 235.635243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.640779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.646320] ? should_fail+0x22d/0xd01 [ 235.650216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.655319] ? __lock_acquire+0x7ec/0x4ec0 [ 235.659562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.664669] ? __lock_acquire+0x7ec/0x4ec0 [ 235.668909] ? should_fail+0x22d/0xd01 [ 235.672808] ? mark_held_locks+0x130/0x130 [ 235.677048] ? mark_held_locks+0x130/0x130 [ 235.681283] ? graph_lock+0x170/0x170 [ 235.685087] ? print_usage_bug+0xc0/0xc0 [ 235.689151] ? graph_lock+0x170/0x170 [ 235.692954] ? print_usage_bug+0xc0/0xc0 [ 235.697015] ? wq_watchdog_touch+0x9c/0xfe [ 235.701249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.706794] ? check_preemption_disabled+0x48/0x200 [ 235.711810] ? check_preemption_disabled+0x48/0x200 [ 235.716838] ? __lock_is_held+0xb5/0x140 [ 235.720917] __alloc_pages_nodemask+0xa80/0xde0 [ 235.725587] ? graph_lock+0x170/0x170 [ 235.729397] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.734419] ? graph_lock+0x170/0x170 [ 235.738234] ? find_held_lock+0x36/0x1c0 [ 235.742310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.746982] ? lock_downgrade+0x900/0x900 [ 235.751140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.756686] cache_grow_begin+0x91/0x8c0 [ 235.760747] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.765169] fallback_alloc+0x203/0x2e0 [ 235.769153] ____cache_alloc_node+0x1c7/0x1e0 [ 235.773658] kmem_cache_alloc_node+0xe3/0x730 [ 235.778158] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.782404] __alloc_skb+0x119/0x770 [ 235.786127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.791414] ? skb_scrub_packet+0x490/0x490 [ 235.795739] ? lock_downgrade+0x900/0x900 [ 235.799896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.805445] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.810911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.816372] ? addrconf_rs_timer+0x690/0x690 [ 235.820802] ndisc_alloc_skb+0x144/0x340 [ 235.824871] ndisc_send_rs+0x331/0x6e0 [ 235.828773] addrconf_rs_timer+0x314/0x690 [ 235.833014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.837266] call_timer_fn+0x272/0x920 [ 235.841155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.845392] ? process_timeout+0x40/0x40 [ 235.849455] ? find_held_lock+0x36/0x1c0 [ 235.853525] ? __run_timers+0x7da/0xc70 [ 235.857505] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.862016] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.866525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.870774] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.875370] ? trace_hardirqs_on+0xbd/0x310 [ 235.879695] ? kasan_check_read+0x11/0x20 [ 235.883855] ? __run_timers+0x7da/0xc70 [ 235.887846] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.893321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.897579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.901823] __run_timers+0x7e5/0xc70 [ 235.905648] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.911033] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.916066] ? graph_lock+0x170/0x170 [ 235.919892] ? enqueue_hrtimer+0x1a5/0x560 [ 235.924166] ? lock_release+0x970/0x970 [ 235.928156] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.933374] ? find_held_lock+0x36/0x1c0 [ 235.937452] ? graph_lock+0x170/0x170 [ 235.941259] ? pvclock_read_flags+0x160/0x160 [ 235.945761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.951309] ? check_preemption_disabled+0x48/0x200 [ 235.956342] ? __lock_is_held+0xb5/0x140 [ 235.960407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.965960] ? check_preemption_disabled+0x48/0x200 [ 235.971012] run_timer_softirq+0x52/0xb0 [ 235.975086] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.980115] __do_softirq+0x30b/0xad8 [ 235.983939] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.989054] ? pvclock_read_flags+0x160/0x160 [ 235.993551] ? lapic_next_event+0x5a/0x90 [ 235.997705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.003250] ? check_preemption_disabled+0x48/0x200 [ 236.008271] ? check_preemption_disabled+0x48/0x200 [ 236.013295] ? kvm_clock_read+0x18/0x30 [ 236.017271] ? kvm_sched_clock_read+0x9/0x20 [ 236.021686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.027233] ? check_preemption_disabled+0x48/0x200 [ 236.032263] irq_exit+0x17f/0x1c0 [ 236.035726] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.040572] ? smp_reschedule_interrupt+0x109/0x650 [ 236.045593] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.051481] ? interrupt_entry+0xb5/0xf0 [ 236.055546] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.060562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.065583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.070443] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.075464] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.080497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.086048] ? check_preemption_disabled+0x48/0x200 [ 236.091065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.096617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.101473] apic_timer_interrupt+0xf/0x20 [ 236.105704] [ 236.107980] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.112916] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 236.131831] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 236.139979] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 236.147253] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 236.154522] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 236.161794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 236.169066] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.176395] skb_clone+0x1bb/0x500 [ 236.179950] ? finish_task_switch+0x1b5/0x900 [ 236.184457] ? skb_split+0x11e0/0x11e0 [ 236.188356] ? preempt_notifier_register+0x200/0x200 [ 236.193471] ? __switch_to_asm+0x34/0x70 [ 236.197539] ? __switch_to_asm+0x34/0x70 [ 236.201613] ? __switch_to_asm+0x40/0x70 [ 236.205676] ? __switch_to_asm+0x34/0x70 [ 236.209737] ? __switch_to_asm+0x40/0x70 [ 236.213804] ? __switch_to_asm+0x34/0x70 [ 236.217868] ? __switch_to_asm+0x40/0x70 [ 236.221938] ? __switch_to_asm+0x34/0x70 [ 236.226000] ? __switch_to_asm+0x34/0x70 [ 236.230065] ? __switch_to_asm+0x40/0x70 [ 236.234128] ? __switch_to_asm+0x34/0x70 [ 236.238555] bpf_clone_redirect+0xb9/0x490 [ 236.242800] ? __schedule+0x874/0x1ed0 [ 236.246703] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 236.251743] ? __sched_text_start+0x8/0x8 [ 236.255922] ? find_held_lock+0x36/0x1c0 [ 236.260004] ? lock_acquire+0x1ed/0x520 [ 236.263988] ? bpf_test_run+0x32e/0x5a0 [ 236.267974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.273520] ? check_preemption_disabled+0x48/0x200 [ 236.278543] ? kasan_check_read+0x11/0x20 [ 236.282695] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.287973] ? rcu_bh_qs+0xc0/0xc0 [ 236.291523] ? preempt_schedule+0x4d/0x60 [ 236.295677] ? ___preempt_schedule+0x16/0x18 [ 236.300107] ? bpf_test_run+0x1c0/0x5a0 [ 236.304115] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.308534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.314072] ? bpf_test_init.isra.9+0x70/0x100 [ 236.318667] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.323438] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.328289] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.333827] ? fput+0x130/0x1a0 [ 236.337110] ? __bpf_prog_get+0x9b/0x290 [ 236.341178] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.346019] ? bpf_prog_test_run+0x130/0x1a0 [ 236.350437] ? __x64_sys_bpf+0x3d8/0x510 [ 236.354498] ? bpf_prog_get+0x20/0x20 [ 236.358323] ? do_syscall_64+0x1b9/0x820 [ 236.362389] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.367761] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.372696] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.377714] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.382731] ? recalc_sigpending_tsk+0x180/0x180 [ 236.387487] ? kasan_check_write+0x14/0x20 [ 236.391735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.396574] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.401950] warn_alloc_show_mem: 1 callbacks suppressed [ 236.401963] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 236.401965] Mem-Info: [ 236.401996] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 236.401996] active_file:13 inactive_file:13 isolated_file:1 [ 236.401996] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.401996] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 236.401996] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 236.401996] free:13741 free_pcp:221 free_cma:0 [ 236.407333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.414266] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.416661] Call Trace: [ 236.449713] Node 0 [ 236.459071] [ 236.486950] 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 [ 236.486960] lowmem_reserve[]: [ 236.489568] dump_stack+0x1c4/0x2b4 [ 236.491768] 0 [ 236.493927] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.519416] 2819 [ 236.522535] warn_alloc.cold.119+0xb7/0x1bd [ 236.526118] 6323 6323 [ 236.527944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.535170] ? lock_downgrade+0x900/0x900 [ 236.539458] Node 0 [ 236.541960] ? trace_hardirqs_off+0xb8/0x310 [ 236.546799] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.550941] ? trace_hardirqs_off+0xb8/0x310 [ 236.553141] lowmem_reserve[]: [ 236.557553] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.584599] 0 [ 236.589045] ? warn_alloc+0x120/0x120 [ 236.592099] 0 [ 236.596961] ? warn_alloc+0x120/0x120 [ 236.598733] 3503 [ 236.602534] ? print_usage_bug+0xc0/0xc0 [ 236.604297] 3503 [ 236.608106] ? warn_alloc+0x120/0x120 [ 236.610139] Node 0 [ 236.614191] ? print_usage_bug+0xc0/0xc0 [ 236.616253] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 236.620021] ? __lock_acquire+0x7ec/0x4ec0 [ 236.622229] lowmem_reserve[]: 0 [ 236.626292] ? __lock_acquire+0x7ec/0x4ec0 [ 236.654741] 0 0 [ 236.659003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.662241] 0 [ 236.666478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.668434] Node 0 [ 236.673964] ? should_fail+0x22d/0xd01 [ 236.675739] DMA: [ 236.681275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.683488] 1*4kB [ 236.687367] ? __lock_acquire+0x7ec/0x4ec0 [ 236.689408] (U) [ 236.694505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.696620] 0*8kB 0*16kB [ 236.700857] ? __lock_acquire+0x7ec/0x4ec0 [ 236.702809] 1*32kB [ 236.707919] ? should_fail+0x22d/0xd01 [ 236.710650] (U) [ 236.714887] ? mark_held_locks+0x130/0x130 [ 236.717087] 2*64kB [ 236.720968] ? mark_held_locks+0x130/0x130 [ 236.722924] (U) [ 236.727153] ? graph_lock+0x170/0x170 [ 236.729359] 1*128kB (U) [ 236.733594] ? print_usage_bug+0xc0/0xc0 [ 236.735548] 1*256kB [ 236.739345] ? graph_lock+0x170/0x170 [ 236.741990] (U) [ 236.746050] ? print_usage_bug+0xc0/0xc0 [ 236.748351] 0*512kB [ 236.752153] ? wq_watchdog_touch+0x9c/0xfe [ 236.754100] 1*1024kB [ 236.758157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.760450] (U) [ 236.764684] ? check_preemption_disabled+0x48/0x200 [ 236.767080] 1*2048kB [ 236.772622] ? check_preemption_disabled+0x48/0x200 [ 236.774573] (M) [ 236.779600] ? __lock_is_held+0xb5/0x140 [ 236.781979] 3*4096kB [ 236.787001] __alloc_pages_nodemask+0xa80/0xde0 [ 236.788943] (M) [ 236.793001] ? graph_lock+0x170/0x170 [ 236.795381] = 15908kB [ 236.795390] Node 0 [ 236.800062] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.802017] DMA32: [ 236.805817] ? graph_lock+0x170/0x170 [ 236.808204] 5*4kB [ 236.810449] ? find_held_lock+0x36/0x1c0 [ 236.815440] (UM) [ 236.817685] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.821444] 0*8kB 3*16kB [ 236.823608] ? lock_downgrade+0x900/0x900 [ 236.827641] (UM) [ 236.829714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.834347] 2*32kB [ 236.837107] cache_grow_begin+0x91/0x8c0 [ 236.841218] (M) 5*64kB [ 236.843292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.848803] (UM) [ 236.851044] fallback_alloc+0x203/0x2e0 [ 236.855067] 3*128kB (M) [ 236.857665] ____cache_alloc_node+0x1c7/0x1e0 [ 236.862037] 3*256kB [ 236.864093] kmem_cache_alloc_node+0xe3/0x730 [ 236.868041] (M) [ 236.870716] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.875182] 4*512kB [ 236.877510] __alloc_skb+0x119/0x770 [ 236.881969] (UM) 3*1024kB [ 236.883949] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.888153] (UM) [ 236.890475] ? skb_scrub_packet+0x490/0x490 [ 236.894168] 1*2048kB [ 236.897009] ? lock_downgrade+0x900/0x900 [ 236.902258] (M) [ 236.904318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.908611] 4*4096kB [ 236.911029] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.915148] (M) [ 236.917122] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.922630] = 25156kB [ 236.922639] Node 0 [ 236.925050] ? addrconf_rs_timer+0x690/0x690 [ 236.930469] Normal: [ 236.932452] ndisc_alloc_skb+0x144/0x340 [ 236.937864] 1005*4kB [ 236.940269] ndisc_send_rs+0x331/0x6e0 [ 236.942477] (MEH) [ 236.946883] addrconf_rs_timer+0x314/0x690 [ 236.949185] 451*8kB [ 236.953239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.955626] (ME) [ 236.959518] call_timer_fn+0x272/0x920 [ 236.961627] 184*16kB (UME) [ 236.965865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.968157] 94*32kB (UME) [ 236.972396] ? process_timeout+0x40/0x40 [ 236.974431] 5*64kB (UM) [ 236.978334] ? find_held_lock+0x36/0x1c0 [ 236.981240] 0*128kB [ 236.985483] ? mark_held_locks+0xc7/0x130 [ 236.988304] 0*256kB [ 236.992359] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.995003] 0*512kB 0*1024kB [ 236.999066] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.001365] 0*2048kB [ 237.005509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.007804] 0*4096kB = 13900kB [ 237.012313] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.015404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.019884] ? trace_hardirqs_on+0xbd/0x310 [ 237.022274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.026499] ? kasan_check_read+0x11/0x20 [ 237.029666] 4241 total pagecache pages [ 237.034241] ? __run_timers+0x7da/0xc70 [ 237.043056] 0 pages in swap cache [ 237.047370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.055930] Swap cache stats: add 0, delete 0, find 0/0 [ 237.060069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.063932] Free swap = 0kB [ 237.067907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.071331] Total swap = 0kB [ 237.071339] 1965979 pages RAM [ 237.076792] __run_timers+0x7e5/0xc70 [ 237.082120] 0 pages HighMem/MovableOnly [ 237.082128] 342307 pages reserved [ 237.086370] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.089350] 0 pages cma reserved [ 237.093576] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.096629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.099663] ? graph_lock+0x170/0x170 [ 237.103524] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.107410] ? print_usage_bug+0xc0/0xc0 [ 237.110854] syz-executor5 cpuset= [ 237.116209] ? lock_release+0x970/0x970 [ 237.119553] syz5 [ 237.124563] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.131034] mems_allowed=0 [ 237.134825] ? find_held_lock+0x36/0x1c0 [ 237.170818] ? graph_lock+0x170/0x170 [ 237.174624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.180163] ? check_preemption_disabled+0x48/0x200 [ 237.185192] ? __lock_is_held+0xb5/0x140 [ 237.189253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.194792] ? check_preemption_disabled+0x48/0x200 [ 237.199819] run_timer_softirq+0x52/0xb0 [ 237.203879] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.208922] __do_softirq+0x30b/0xad8 [ 237.212734] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.217841] ? pvclock_read_flags+0x160/0x160 [ 237.222337] ? lapic_next_event+0x5a/0x90 [ 237.226489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.232039] ? check_preemption_disabled+0x48/0x200 [ 237.237058] ? check_preemption_disabled+0x48/0x200 [ 237.242081] ? kvm_clock_read+0x18/0x30 [ 237.246060] ? kvm_sched_clock_read+0x9/0x20 [ 237.250474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.256011] ? check_preemption_disabled+0x48/0x200 [ 237.261041] irq_exit+0x17f/0x1c0 [ 237.264497] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.269339] ? smp_reschedule_interrupt+0x109/0x650 [ 237.274357] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.280245] ? interrupt_entry+0xb5/0xf0 [ 237.284331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.289357] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.294377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.299244] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.304262] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.309755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.315295] ? check_preemption_disabled+0x48/0x200 [ 237.320308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.325852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.330704] apic_timer_interrupt+0xf/0x20 [ 237.334935] [ 237.337177] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 237.342194] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 237.361094] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 237.368802] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 237.376070] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 237.383341] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 237.390608] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 237.397873] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 237.405170] ? list_lru_count_one+0x36d/0x450 [ 237.409664] ? list_lru_count_one+0x260/0x450 [ 237.414181] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.419980] ? kasan_check_read+0x11/0x20 [ 237.424128] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.429407] ? rcu_bh_qs+0xc0/0xc0 [ 237.432964] list_lru_count_one+0x265/0x450 [ 237.437647] ? list_lru_add+0x980/0x980 [ 237.441753] ? deferred_split_count+0x65/0x170 [ 237.446334] ? shrink_huge_zero_page_count+0xc8/0x100 [ 237.451530] super_cache_count+0x153/0x2e0 [ 237.455772] do_shrink_slab+0x1a7/0xd20 [ 237.459752] ? lock_release+0x970/0x970 [ 237.463729] ? snapshot_refaults+0x290/0x290 [ 237.468145] ? ___might_sleep+0x1ed/0x300 [ 237.472297] ? down_read_trylock+0xff/0x1e0 [ 237.476616] ? shrink_slab+0x207/0x8c0 [ 237.480503] ? downgrade_write+0x2b0/0x2b0 [ 237.484741] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.490278] ? shrink_node_memcg+0xc82/0x18e0 [ 237.494789] shrink_slab+0x389/0x8c0 [ 237.498504] ? shrink_active_list+0x1c20/0x1c20 [ 237.503182] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 237.508812] ? kasan_check_read+0x11/0x20 [ 237.512965] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.517382] ? ___preempt_schedule+0x16/0x18 [ 237.521807] ? _raw_spin_unlock+0x3f/0x50 [ 237.525978] shrink_node+0x431/0x16b0 [ 237.529779] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 237.535086] ? shrink_node_memcg+0x18e0/0x18e0 [ 237.539668] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.544252] ? trace_hardirqs_on+0xbd/0x310 [ 237.548574] ? vmpressure+0x271/0x340 [ 237.552380] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 237.556969] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.562522] ? __cpuset_node_allowed+0x19b/0x660 [ 237.567280] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 237.572988] ? vmpressure+0x1a2/0x340 [ 237.576799] do_try_to_free_pages+0x3e7/0x1290 [ 237.581402] ? shrink_node+0x16b0/0x16b0 [ 237.585467] ? __lock_is_held+0xb5/0x140 [ 237.589548] try_to_free_pages+0x4d0/0xb90 [ 237.593799] ? do_try_to_free_pages+0x1290/0x1290 [ 237.598639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.604195] ? lock_acquire+0x1ed/0x520 [ 237.608168] ? set_page_refcounted+0x280/0x280 [ 237.612756] ? lock_release+0x970/0x970 [ 237.616737] ? ___might_sleep+0x1ed/0x300 [ 237.620888] ? arch_local_save_flags+0x40/0x40 [ 237.625493] __alloc_pages_slowpath+0x993/0x2d80 [ 237.630284] ? warn_alloc+0x120/0x120 [ 237.634084] ? __radix_tree_lookup+0x4c0/0x4c0 [ 237.638688] ? find_get_entry+0x2f2/0xc40 [ 237.642846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.648384] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 237.653313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.658848] ? should_fail+0x22d/0xd01 [ 237.662739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.667842] ? __lock_is_held+0xb5/0x140 [ 237.671942] ? __lock_is_held+0xb5/0x140 [ 237.676012] ? __lock_acquire+0x7ec/0x4ec0 [ 237.680250] ? ___might_sleep+0x1ed/0x300 [ 237.684399] ? lock_release+0x970/0x970 [ 237.688373] ? arch_local_save_flags+0x40/0x40 [ 237.692967] ? __might_sleep+0x95/0x190 [ 237.696948] __alloc_pages_nodemask+0xa80/0xde0 [ 237.701624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.706645] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.712441] ? kasan_check_read+0x11/0x20 [ 237.716592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.721870] ? graph_lock+0x170/0x170 [ 237.725719] ? print_usage_bug+0xc0/0xc0 [ 237.729784] ? graph_lock+0x170/0x170 [ 237.733582] ? graph_lock+0x170/0x170 [ 237.737384] ? __do_page_cache_readahead+0x7ce/0x980 [ 237.742495] ? find_held_lock+0x36/0x1c0 [ 237.746564] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 237.752109] alloc_pages_current+0x10c/0x210 [ 237.756517] ? lock_downgrade+0x900/0x900 [ 237.760672] __page_cache_alloc+0x38f/0x5b0 [ 237.764997] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.770791] ? kasan_check_read+0x11/0x20 [ 237.774948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.780241] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 237.784935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.790475] ? check_preemption_disabled+0x48/0x200 [ 237.795499] filemap_fault+0x1594/0x25f0 [ 237.799573] ? __lock_page_or_retry+0xa00/0xa00 [ 237.804245] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.810038] ? kasan_check_read+0x11/0x20 [ 237.814185] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.819461] ? ep_scan_ready_list+0xbeb/0x1050 [ 237.824041] ? rcu_bh_qs+0xc0/0xc0 [ 237.827581] ? lock_downgrade+0x900/0x900 [ 237.831728] ? graph_lock+0x170/0x170 [ 237.835536] ? filemap_map_pages+0xdea/0x1980 [ 237.840054] ? find_get_pages_range_tag+0x1320/0x1320 [ 237.845249] ? wait_for_completion+0x8a0/0x8a0 [ 237.849833] ? graph_lock+0x170/0x170 [ 237.853641] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.858225] ? kasan_check_read+0x11/0x20 [ 237.862373] ? ep_scan_ready_list+0xbc7/0x1050 [ 237.866960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.872424] ? lock_acquire+0x1ed/0x520 [ 237.876399] ? ext4_filemap_fault+0x7a/0xad [ 237.880727] ? lock_release+0x970/0x970 [ 237.884701] ? arch_local_save_flags+0x40/0x40 [ 237.889283] ? ep_poll_callback+0x10e0/0x10e0 [ 237.893792] ? down_read+0xb0/0x1d0 [ 237.897414] ? ext4_filemap_fault+0x7a/0xad [ 237.901737] ? __down_interruptible+0x700/0x700 [ 237.906410] ? get_futex_key+0x21b0/0x21b0 [ 237.910665] ext4_filemap_fault+0x82/0xad [ 237.914814] __do_fault+0x100/0x6b0 [ 237.918442] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.922946] ? print_bad_pte+0x6c0/0x6c0 [ 237.927006] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.931588] ? trace_hardirqs_on+0xbd/0x310 [ 237.935923] ? kasan_check_read+0x11/0x20 [ 237.940074] ? pmd_val+0x88/0x100 [ 237.943530] ? add_mm_counter_fast+0xd0/0xd0 [ 237.947971] ? pmd_val+0x88/0x100 [ 237.951423] ? add_mm_counter_fast+0xd0/0xd0 [ 237.955836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.961378] __handle_mm_fault+0x3709/0x53e0 [ 237.965799] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 237.970640] ? graph_lock+0x170/0x170 [ 237.974440] ? print_usage_bug+0xc0/0xc0 [ 237.978503] ? rcu_bh_qs+0xc0/0xc0 [ 237.982046] ? graph_lock+0x170/0x170 [ 237.985848] ? graph_lock+0x170/0x170 [ 237.989681] ? handle_mm_fault+0x42a/0xc70 [ 237.993929] ? lock_downgrade+0x900/0x900 [ 237.998079] ? check_preemption_disabled+0x48/0x200 [ 238.003103] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.008916] ? kasan_check_read+0x11/0x20 [ 238.013082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.018362] ? rcu_bh_qs+0xc0/0xc0 [ 238.021920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.027384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.032931] ? check_preemption_disabled+0x48/0x200 [ 238.037960] handle_mm_fault+0x54f/0xc70 [ 238.042024] ? __handle_mm_fault+0x53e0/0x53e0 [ 238.046607] ? find_vma+0x34/0x190 [ 238.050152] __do_page_fault+0x67d/0xed0 [ 238.054221] ? mm_fault_error+0x380/0x380 [ 238.058370] ? trace_hardirqs_off+0xb8/0x310 [ 238.062784] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.068158] ? trace_hardirqs_on+0x310/0x310 [ 238.072576] do_page_fault+0xf2/0x7e0 [ 238.076376] ? vmalloc_sync_all+0x30/0x30 [ 238.080522] ? error_entry+0x70/0xd0 [ 238.084241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.089261] ? trace_hardirqs_on_caller+0xc0/0x310 [ 238.094194] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.099125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.103966] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.108983] ? trace_hardirqs_off+0x310/0x310 [ 238.113486] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.118504] ? page_fault+0x8/0x30 [ 238.122045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.126890] ? page_fault+0x8/0x30 [ 238.130448] page_fault+0x1e/0x30 [ 238.133908] RIP: 0033:0x45df89 [ 238.137109] Code: Bad RIP value. [ 238.140467] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 238.145829] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 238.153093] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 238.160359] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 238.167626] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 238.174891] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 238.182195] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 238.182261] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.189386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.189395] Call Trace: [ 238.195973] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.205212] [ 238.207780] syz-fuzzer cpuset= [ 238.218018] dump_stack+0x1c4/0x2b4 [ 238.220145] / [ 238.223335] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.226938] mems_allowed=0 [ 238.228657] warn_alloc.cold.119+0xb7/0x1bd [ 238.241394] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.246266] ? lock_downgrade+0x900/0x900 [ 238.250426] ? trace_hardirqs_off+0xb8/0x310 [ 238.254842] ? trace_hardirqs_off+0xb8/0x310 [ 238.259275] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.264149] ? warn_alloc+0x120/0x120 [ 238.267956] ? trace_hardirqs_on+0x310/0x310 [ 238.272372] ? warn_alloc+0x120/0x120 [ 238.276174] ? print_usage_bug+0xc0/0xc0 [ 238.280239] ? warn_alloc+0x120/0x120 [ 238.284038] ? ktime_get+0x2e1/0x440 [ 238.287752] ? print_usage_bug+0xc0/0xc0 [ 238.291814] ? __lock_acquire+0x7ec/0x4ec0 [ 238.296050] ? __lock_acquire+0x7ec/0x4ec0 [ 238.300286] ? kasan_check_read+0x11/0x20 [ 238.304443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.309981] ? should_fail+0x22d/0xd01 [ 238.313873] ? rcu_bh_qs+0xc0/0xc0 [ 238.317428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.322530] ? __lock_acquire+0x7ec/0x4ec0 [ 238.326767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.331871] ? __lock_acquire+0x7ec/0x4ec0 [ 238.336114] ? should_fail+0x22d/0xd01 [ 238.340002] ? rcu_idle_enter+0x4b0/0x4b0 [ 238.344157] ? mark_held_locks+0x130/0x130 [ 238.348400] ? mark_held_locks+0x130/0x130 [ 238.352645] ? mark_held_locks+0xc7/0x130 [ 238.356798] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 238.361817] ? graph_lock+0x170/0x170 [ 238.365615] ? print_usage_bug+0xc0/0xc0 [ 238.369676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.375218] ? check_preemption_disabled+0x48/0x200 [ 238.380232] ? check_preemption_disabled+0x48/0x200 [ 238.385257] ? __lock_is_held+0xb5/0x140 [ 238.389331] __alloc_pages_nodemask+0xa80/0xde0 [ 238.394017] ? graph_lock+0x170/0x170 [ 238.397825] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.402839] ? graph_lock+0x170/0x170 [ 238.406650] ? find_held_lock+0x36/0x1c0 [ 238.410723] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.415395] ? lock_downgrade+0x900/0x900 [ 238.419557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.425101] cache_grow_begin+0x91/0x8c0 [ 238.429179] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.433597] fallback_alloc+0x203/0x2e0 [ 238.437578] ____cache_alloc_node+0x1c7/0x1e0 [ 238.442079] kmem_cache_alloc_node+0xe3/0x730 [ 238.446577] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.450836] __alloc_skb+0x119/0x770 [ 238.454552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.459833] ? skb_scrub_packet+0x490/0x490 [ 238.464153] ? lock_downgrade+0x900/0x900 [ 238.468310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.473853] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.479309] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.484759] ? addrconf_rs_timer+0x690/0x690 [ 238.489186] ndisc_alloc_skb+0x144/0x340 [ 238.493251] ndisc_send_rs+0x331/0x6e0 [ 238.497145] addrconf_rs_timer+0x314/0x690 [ 238.501386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.505642] call_timer_fn+0x272/0x920 [ 238.509533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.513771] ? process_timeout+0x40/0x40 [ 238.517829] ? find_held_lock+0x36/0x1c0 [ 238.521909] ? __run_timers+0x7da/0xc70 [ 238.525891] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.530399] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.534906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.539142] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.543728] ? trace_hardirqs_on+0xbd/0x310 [ 238.548050] ? kasan_check_read+0x11/0x20 [ 238.552199] ? __run_timers+0x7da/0xc70 [ 238.556177] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.561633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.565874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.570115] __run_timers+0x7e5/0xc70 [ 238.573936] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.579303] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.584318] ? graph_lock+0x170/0x170 [ 238.588124] ? enqueue_hrtimer+0x1a5/0x560 [ 238.592357] ? lock_release+0x970/0x970 [ 238.596335] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.601533] ? find_held_lock+0x36/0x1c0 [ 238.605598] ? graph_lock+0x170/0x170 [ 238.609404] ? pvclock_read_flags+0x160/0x160 [ 238.613913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.619458] ? check_preemption_disabled+0x48/0x200 [ 238.624484] ? __lock_is_held+0xb5/0x140 [ 238.628549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.634086] ? check_preemption_disabled+0x48/0x200 [ 238.639110] run_timer_softirq+0x52/0xb0 [ 238.643172] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.648192] __do_softirq+0x30b/0xad8 [ 238.652004] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.657116] ? pvclock_read_flags+0x160/0x160 [ 238.661610] ? lapic_next_event+0x5a/0x90 [ 238.665759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.671298] ? check_preemption_disabled+0x48/0x200 [ 238.676318] ? check_preemption_disabled+0x48/0x200 [ 238.681363] ? kvm_clock_read+0x18/0x30 [ 238.685338] ? kvm_sched_clock_read+0x9/0x20 [ 238.689751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.695289] ? check_preemption_disabled+0x48/0x200 [ 238.700322] irq_exit+0x17f/0x1c0 [ 238.703776] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.708617] ? smp_reschedule_interrupt+0x109/0x650 [ 238.713637] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.719524] ? interrupt_entry+0xb5/0xf0 [ 238.723592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.728609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.733630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.738474] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.743490] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.748507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.754049] ? check_preemption_disabled+0x48/0x200 [ 238.759068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.764612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.769467] apic_timer_interrupt+0xf/0x20 [ 238.773697] [ 238.775938] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.780868] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 238.799776] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 238.807489] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.814755] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 238.822036] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 238.829301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.836568] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.843878] skb_clone+0x1bb/0x500 [ 238.847429] ? finish_task_switch+0x1b5/0x900 [ 238.851946] ? skb_split+0x11e0/0x11e0 [ 238.855833] ? preempt_notifier_register+0x200/0x200 [ 238.860938] ? __switch_to_asm+0x34/0x70 [ 238.864998] ? __switch_to_asm+0x34/0x70 [ 238.869056] ? __switch_to_asm+0x40/0x70 [ 238.873113] ? __switch_to_asm+0x34/0x70 [ 238.877169] ? __switch_to_asm+0x40/0x70 [ 238.881230] ? __switch_to_asm+0x34/0x70 [ 238.885288] ? __switch_to_asm+0x40/0x70 [ 238.889349] ? __switch_to_asm+0x34/0x70 [ 238.893418] ? __switch_to_asm+0x34/0x70 [ 238.897475] ? __switch_to_asm+0x40/0x70 [ 238.901531] ? __switch_to_asm+0x34/0x70 [ 238.905604] bpf_clone_redirect+0xb9/0x490 [ 238.909841] ? __schedule+0x874/0x1ed0 [ 238.913738] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 238.918758] ? __sched_text_start+0x8/0x8 [ 238.922963] ? find_held_lock+0x36/0x1c0 [ 238.927036] ? lock_acquire+0x1ed/0x520 [ 238.931012] ? bpf_test_run+0x32e/0x5a0 [ 238.934987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.940528] ? check_preemption_disabled+0x48/0x200 [ 238.945548] ? kasan_check_read+0x11/0x20 [ 238.949698] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.954979] ? rcu_bh_qs+0xc0/0xc0 [ 238.958521] ? preempt_schedule+0x4d/0x60 [ 238.962671] ? ___preempt_schedule+0x16/0x18 [ 238.967084] ? bpf_test_run+0x1c0/0x5a0 [ 238.971072] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.975493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.981027] ? bpf_test_init.isra.9+0x70/0x100 [ 238.985618] ? bpf_prog_test_run_skb+0x634/0xb40 [ 238.990379] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.995229] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.000765] ? fput+0x130/0x1a0 [ 239.004046] ? __bpf_prog_get+0x9b/0x290 [ 239.008110] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.012950] ? bpf_prog_test_run+0x130/0x1a0 [ 239.017363] ? __x64_sys_bpf+0x3d8/0x510 [ 239.021439] ? bpf_prog_get+0x20/0x20 [ 239.025259] ? do_syscall_64+0x1b9/0x820 [ 239.029322] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.034690] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.039622] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.044642] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.049659] ? recalc_sigpending_tsk+0x180/0x180 [ 239.054420] ? kasan_check_write+0x14/0x20 [ 239.058662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.063511] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.068888] warn_alloc_show_mem: 1 callbacks suppressed [ 239.068908] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 239.068910] Mem-Info: [ 239.068922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.074293] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 239.074293] active_file:13 inactive_file:13 isolated_file:1 [ 239.074293] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.074293] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 239.074293] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 239.074293] free:13741 free_pcp:221 free_cma:0 [ 239.081187] Call Trace: [ 239.083608] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.092957] [ 239.126001] Node 0 [ 239.128579] dump_stack+0x1c4/0x2b4 [ 239.156426] 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 [ 239.158555] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.160750] lowmem_reserve[]: 0 [ 239.164386] warn_alloc.cold.119+0xb7/0x1bd [ 239.189857] 2819 [ 239.195040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.198285] 6323 6323 [ 239.202610] ? lock_downgrade+0x900/0x900 [ 239.209483] ? trace_hardirqs_off+0xb8/0x310 [ 239.211956] Node 0 [ 239.216101] ? trace_hardirqs_off+0xb8/0x310 [ 239.220505] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 239.222715] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.227088] lowmem_reserve[]: 0 [ 239.254178] ? warn_alloc+0x120/0x120 [ 239.258974] 0 [ 239.262244] ? trace_hardirqs_on+0x310/0x310 [ 239.266023] 3503 [ 239.267822] ? warn_alloc+0x120/0x120 [ 239.272205] 3503 [ 239.274266] ? print_usage_bug+0xc0/0xc0 [ 239.280093] ? warn_alloc+0x120/0x120 [ 239.284130] Node 0 [ 239.287932] ? ktime_get+0x2e1/0x440 [ 239.287967] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 239.290170] ? print_usage_bug+0xc0/0xc0 [ 239.293851] lowmem_reserve[]: 0 [ 239.322770] ? __lock_acquire+0x7ec/0x4ec0 [ 239.326809] 0 [ 239.330084] ? __lock_acquire+0x7ec/0x4ec0 [ 239.334298] 0 [ 239.336096] ? kasan_check_read+0x11/0x20 [ 239.340298] 0 [ 239.342104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.346227] Node 0 [ 239.348028] ? should_fail+0x22d/0xd01 [ 239.353535] DMA: 1*4kB [ 239.355772] ? rcu_bh_qs+0xc0/0xc0 [ 239.359633] (U) [ 239.362214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.365722] 0*8kB 0*16kB [ 239.367699] ? __lock_acquire+0x7ec/0x4ec0 [ 239.372770] 1*32kB (U) [ 239.375535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.379748] 2*64kB [ 239.382328] ? __lock_acquire+0x7ec/0x4ec0 [ 239.387408] (U) [ 239.389636] ? should_fail+0x22d/0xd01 [ 239.393842] 1*128kB (U) [ 239.395823] ? rcu_idle_enter+0x4b0/0x4b0 [ 239.399677] 1*256kB (U) [ 239.402357] ? mark_held_locks+0x130/0x130 [ 239.406472] 0*512kB 1*1024kB [ 239.409143] ? mark_held_locks+0x130/0x130 [ 239.413352] (U) [ 239.416451] ? mark_held_locks+0xc7/0x130 [ 239.420651] 1*2048kB (M) [ 239.422631] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 239.426749] 3*4096kB (M) [ 239.429510] ? graph_lock+0x170/0x170 [ 239.434497] = 15908kB [ 239.434505] Node 0 [ 239.437259] ? print_usage_bug+0xc0/0xc0 [ 239.441550] DMA32: 5*4kB [ 239.443973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.446185] (UM) [ 239.450240] ? check_preemption_disabled+0x48/0x200 [ 239.452970] 0*8kB [ 239.458502] ? check_preemption_disabled+0x48/0x200 [ 239.460540] 3*16kB [ 239.465552] ? __lock_is_held+0xb5/0x140 [ 239.467671] (UM) [ 239.472686] __alloc_pages_nodemask+0xa80/0xde0 [ 239.474908] 2*32kB [ 239.478961] ? graph_lock+0x170/0x170 [ 239.481003] (M) [ 239.485667] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.487878] 5*64kB [ 239.491679] ? graph_lock+0x170/0x170 [ 239.493636] (UM) [ 239.498659] ? find_held_lock+0x36/0x1c0 [ 239.500865] 3*128kB [ 239.504669] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.506699] (M) [ 239.510762] ? lock_downgrade+0x900/0x900 [ 239.513064] 3*256kB [ 239.517741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.519683] (M) [ 239.523834] cache_grow_begin+0x91/0x8c0 [ 239.526127] 4*512kB [ 239.531665] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.533614] (UM) [ 239.537690] fallback_alloc+0x203/0x2e0 [ 239.539981] 3*1024kB [ 239.544397] ____cache_alloc_node+0x1c7/0x1e0 [ 239.546427] (UM) [ 239.550407] kmem_cache_alloc_node+0xe3/0x730 [ 239.552799] 1*2048kB [ 239.557293] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.559328] (M) [ 239.563929] __alloc_skb+0x119/0x770 [ 239.566295] 4*4096kB (M) [ 239.570540] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.572480] = 25156kB [ 239.572489] Node 0 [ 239.576198] ? skb_scrub_packet+0x490/0x490 [ 239.578929] Normal: [ 239.584226] ? lock_downgrade+0x900/0x900 [ 239.586609] 1005*4kB [ 239.588844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.593131] (MEH) [ 239.595456] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.599574] 451*8kB [ 239.601983] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.607489] (ME) [ 239.609639] ? addrconf_rs_timer+0x690/0x690 [ 239.615063] 184*16kB [ 239.617390] ndisc_alloc_skb+0x144/0x340 [ 239.622800] (UME) [ 239.624864] ndisc_send_rs+0x331/0x6e0 [ 239.629236] 94*32kB (UME) [ 239.631657] addrconf_rs_timer+0x314/0x690 [ 239.635690] 5*64kB [ 239.637840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.641698] (UM) [ 239.644545] call_timer_fn+0x272/0x920 [ 239.648748] 0*128kB [ 239.650981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.655192] 0*256kB [ 239.657250] ? process_timeout+0x40/0x40 [ 239.661106] 0*512kB 0*1024kB [ 239.663426] ? find_held_lock+0x36/0x1c0 [ 239.663449] ? mark_held_locks+0xc7/0x130 [ 239.667659] 0*2048kB [ 239.669976] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.674008] 0*4096kB = 13900kB [ 239.677116] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.681157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.685294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.687682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.692163] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.695338] 4241 total pagecache pages [ 239.699830] ? trace_hardirqs_on+0xbd/0x310 [ 239.708646] 0 pages in swap cache [ 239.712886] ? kasan_check_read+0x11/0x20 [ 239.721615] Swap cache stats: add 0, delete 0, find 0/0 [ 239.726190] ? __run_timers+0x7da/0xc70 [ 239.730051] Free swap = 0kB [ 239.734375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.737796] Total swap = 0kB [ 239.741949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.747279] 1965979 pages RAM [ 239.751249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.754234] 0 pages HighMem/MovableOnly [ 239.754243] 342307 pages reserved [ 239.759690] __run_timers+0x7e5/0xc70 [ 239.762678] 0 pages cma reserved [ 239.766929] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.770056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.774220] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.774236] ? graph_lock+0x170/0x170 [ 239.774255] ? print_usage_bug+0xc0/0xc0 [ 239.778264] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.781671] ? lock_release+0x970/0x970 [ 239.785449] syz-executor5 cpuset= [ 239.788808] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.794148] syz5 [ 239.800642] ? find_held_lock+0x36/0x1c0 [ 239.805637] mems_allowed=0 [ 239.809448] ? graph_lock+0x170/0x170 [ 239.849293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.854848] ? check_preemption_disabled+0x48/0x200 [ 239.859896] ? __lock_is_held+0xb5/0x140 [ 239.863994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.869556] ? check_preemption_disabled+0x48/0x200 [ 239.874599] run_timer_softirq+0x52/0xb0 [ 239.878671] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.883703] __do_softirq+0x30b/0xad8 [ 239.887537] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.892658] ? pvclock_read_flags+0x160/0x160 [ 239.897162] ? lapic_next_event+0x5a/0x90 [ 239.901312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.906854] ? check_preemption_disabled+0x48/0x200 [ 239.911871] ? check_preemption_disabled+0x48/0x200 [ 239.916925] ? kvm_clock_read+0x18/0x30 [ 239.920908] ? kvm_sched_clock_read+0x9/0x20 [ 239.925341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.930883] ? check_preemption_disabled+0x48/0x200 [ 239.935936] irq_exit+0x17f/0x1c0 [ 239.939400] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.944241] ? smp_reschedule_interrupt+0x109/0x650 [ 239.949261] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.955146] ? interrupt_entry+0xb5/0xf0 [ 239.959210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.964225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.969244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.974089] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.979104] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.984126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.989669] ? check_preemption_disabled+0x48/0x200 [ 239.994686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.000234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.005088] apic_timer_interrupt+0xf/0x20 [ 240.009316] [ 240.011557] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 240.016585] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 240.035512] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 240.043246] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 240.050532] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 240.057820] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 240.065104] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 240.072387] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 240.079702] ? list_lru_count_one+0x36d/0x450 [ 240.084219] ? list_lru_count_one+0x260/0x450 [ 240.088748] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.094567] ? kasan_check_read+0x11/0x20 [ 240.098740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.104047] ? rcu_bh_qs+0xc0/0xc0 [ 240.107620] list_lru_count_one+0x265/0x450 [ 240.111962] ? list_lru_add+0x980/0x980 [ 240.115956] ? deferred_split_count+0x65/0x170 [ 240.121856] ? shrink_huge_zero_page_count+0xc8/0x100 [ 240.127070] super_cache_count+0x153/0x2e0 [ 240.131359] do_shrink_slab+0x1a7/0xd20 [ 240.135362] ? lock_release+0x970/0x970 [ 240.139358] ? snapshot_refaults+0x290/0x290 [ 240.143798] ? ___might_sleep+0x1ed/0x300 [ 240.147954] ? down_read_trylock+0xff/0x1e0 [ 240.152273] ? shrink_slab+0x207/0x8c0 [ 240.156168] ? downgrade_write+0x2b0/0x2b0 [ 240.160413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.165958] ? shrink_node_memcg+0xc82/0x18e0 [ 240.170480] shrink_slab+0x389/0x8c0 [ 240.174195] ? shrink_active_list+0x1c20/0x1c20 [ 240.178876] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 240.184514] ? kasan_check_read+0x11/0x20 [ 240.188668] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.193090] ? ___preempt_schedule+0x16/0x18 [ 240.197510] ? _raw_spin_unlock+0x3f/0x50 [ 240.201672] shrink_node+0x431/0x16b0 [ 240.205493] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 240.210799] ? shrink_node_memcg+0x18e0/0x18e0 [ 240.215385] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.219970] ? trace_hardirqs_on+0xbd/0x310 [ 240.224295] ? vmpressure+0x271/0x340 [ 240.228107] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 240.232703] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.238241] ? __cpuset_node_allowed+0x19b/0x660 [ 240.243001] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 240.248716] ? vmpressure+0x1a2/0x340 [ 240.252533] do_try_to_free_pages+0x3e7/0x1290 [ 240.257142] ? shrink_node+0x16b0/0x16b0 [ 240.261206] ? __lock_is_held+0xb5/0x140 [ 240.265282] try_to_free_pages+0x4d0/0xb90 [ 240.269527] ? do_try_to_free_pages+0x1290/0x1290 [ 240.274376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.279953] ? lock_acquire+0x1ed/0x520 [ 240.283954] ? set_page_refcounted+0x280/0x280 [ 240.288575] ? lock_release+0x970/0x970 [ 240.292578] ? ___might_sleep+0x1ed/0x300 [ 240.296757] ? arch_local_save_flags+0x40/0x40 [ 240.301373] __alloc_pages_slowpath+0x993/0x2d80 [ 240.306182] ? warn_alloc+0x120/0x120 [ 240.310001] ? __radix_tree_lookup+0x4c0/0x4c0 [ 240.314613] ? find_get_entry+0x2f2/0xc40 [ 240.318789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.324344] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 240.329287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.334838] ? should_fail+0x22d/0xd01 [ 240.338745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.343865] ? __lock_is_held+0xb5/0x140 [ 240.347981] ? __lock_is_held+0xb5/0x140 [ 240.352061] ? __lock_acquire+0x7ec/0x4ec0 [ 240.356307] ? ___might_sleep+0x1ed/0x300 [ 240.360460] ? lock_release+0x970/0x970 [ 240.364444] ? arch_local_save_flags+0x40/0x40 [ 240.369050] ? __might_sleep+0x95/0x190 [ 240.373037] __alloc_pages_nodemask+0xa80/0xde0 [ 240.377723] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.382752] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.388556] ? kasan_check_read+0x11/0x20 [ 240.392735] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.398021] ? graph_lock+0x170/0x170 [ 240.401828] ? print_usage_bug+0xc0/0xc0 [ 240.405895] ? graph_lock+0x170/0x170 [ 240.409709] ? graph_lock+0x170/0x170 [ 240.413513] ? __do_page_cache_readahead+0x7ce/0x980 [ 240.418622] ? find_held_lock+0x36/0x1c0 [ 240.422688] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 240.428233] alloc_pages_current+0x10c/0x210 [ 240.432642] ? lock_downgrade+0x900/0x900 [ 240.436799] __page_cache_alloc+0x38f/0x5b0 [ 240.441120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.446925] ? kasan_check_read+0x11/0x20 [ 240.451080] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.456373] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 240.461043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.466584] ? check_preemption_disabled+0x48/0x200 [ 240.471607] filemap_fault+0x1594/0x25f0 [ 240.475687] ? __lock_page_or_retry+0xa00/0xa00 [ 240.480358] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.486150] ? kasan_check_read+0x11/0x20 [ 240.490299] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.495578] ? ep_scan_ready_list+0xbeb/0x1050 [ 240.500159] ? rcu_bh_qs+0xc0/0xc0 [ 240.503696] ? lock_downgrade+0x900/0x900 [ 240.507850] ? graph_lock+0x170/0x170 [ 240.511658] ? filemap_map_pages+0xdea/0x1980 [ 240.516175] ? find_get_pages_range_tag+0x1320/0x1320 [ 240.521367] ? wait_for_completion+0x8a0/0x8a0 [ 240.525952] ? graph_lock+0x170/0x170 [ 240.529757] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.534337] ? kasan_check_read+0x11/0x20 [ 240.538483] ? ep_scan_ready_list+0xbc7/0x1050 [ 240.543069] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.548529] ? lock_acquire+0x1ed/0x520 [ 240.552508] ? ext4_filemap_fault+0x7a/0xad [ 240.556839] ? lock_release+0x970/0x970 [ 240.560811] ? arch_local_save_flags+0x40/0x40 [ 240.565400] ? ep_poll_callback+0x10e0/0x10e0 [ 240.569920] ? down_read+0xb0/0x1d0 [ 240.573549] ? ext4_filemap_fault+0x7a/0xad [ 240.577872] ? __down_interruptible+0x700/0x700 [ 240.582556] ? get_futex_key+0x21b0/0x21b0 [ 240.586806] ext4_filemap_fault+0x82/0xad [ 240.590956] __do_fault+0x100/0x6b0 [ 240.594584] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.599085] ? print_bad_pte+0x6c0/0x6c0 [ 240.603148] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.607735] ? trace_hardirqs_on+0xbd/0x310 [ 240.612054] ? kasan_check_read+0x11/0x20 [ 240.616200] ? pmd_val+0x88/0x100 [ 240.619654] ? add_mm_counter_fast+0xd0/0xd0 [ 240.624060] ? pmd_val+0x88/0x100 [ 240.627513] ? add_mm_counter_fast+0xd0/0xd0 [ 240.631934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.637478] __handle_mm_fault+0x3709/0x53e0 [ 240.641896] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 240.646755] ? graph_lock+0x170/0x170 [ 240.650559] ? print_usage_bug+0xc0/0xc0 [ 240.654621] ? rcu_bh_qs+0xc0/0xc0 [ 240.658160] ? graph_lock+0x170/0x170 [ 240.661960] ? graph_lock+0x170/0x170 [ 240.665778] ? handle_mm_fault+0x42a/0xc70 [ 240.670013] ? lock_downgrade+0x900/0x900 [ 240.674162] ? check_preemption_disabled+0x48/0x200 [ 240.679192] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.684991] ? kasan_check_read+0x11/0x20 [ 240.689142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.694427] ? rcu_bh_qs+0xc0/0xc0 [ 240.697975] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.703429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.708970] ? check_preemption_disabled+0x48/0x200 [ 240.713998] handle_mm_fault+0x54f/0xc70 [ 240.718064] ? __handle_mm_fault+0x53e0/0x53e0 [ 240.722652] ? find_vma+0x34/0x190 [ 240.726202] __do_page_fault+0x67d/0xed0 [ 240.730273] ? mm_fault_error+0x380/0x380 [ 240.734417] ? trace_hardirqs_off+0xb8/0x310 [ 240.738831] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.744196] ? trace_hardirqs_on+0x310/0x310 [ 240.748612] do_page_fault+0xf2/0x7e0 [ 240.752419] ? vmalloc_sync_all+0x30/0x30 [ 240.756570] ? error_entry+0x70/0xd0 [ 240.760284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.765297] ? trace_hardirqs_on_caller+0xc0/0x310 [ 240.770229] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.775160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.780007] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.785019] ? trace_hardirqs_off+0x310/0x310 [ 240.789517] ? prepare_exit_to_usermode+0x291/0x3b0 [ 240.794531] ? page_fault+0x8/0x30 [ 240.798073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.802929] ? page_fault+0x8/0x30 [ 240.806471] page_fault+0x1e/0x30 [ 240.809930] RIP: 0033:0x45df89 [ 240.813127] Code: Bad RIP value. [ 240.816501] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 240.821861] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 240.829128] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 240.836395] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 240.843666] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 240.850933] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 240.858226] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 240.858292] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.865409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.865420] Call Trace: [ 240.865426] [ 240.865446] dump_stack+0x1c4/0x2b4 [ 240.865465] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.872027] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.881303] warn_alloc.cold.119+0xb7/0x1bd [ 240.883860] syz-fuzzer cpuset= [ 240.886005] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.889606] / [ 240.894794] ? lock_downgrade+0x900/0x900 [ 240.904995] mems_allowed=0 [ 240.909323] ? trace_hardirqs_off+0xb8/0x310 [ 240.930471] ? trace_hardirqs_off+0xb8/0x310 [ 240.934890] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.939775] ? warn_alloc+0x120/0x120 [ 240.943576] ? lock_release+0x970/0x970 [ 240.947552] ? warn_alloc+0x120/0x120 [ 240.951352] ? print_usage_bug+0xc0/0xc0 [ 240.955448] ? warn_alloc+0x120/0x120 [ 240.959247] ? print_usage_bug+0xc0/0xc0 [ 240.963313] ? __lock_acquire+0x7ec/0x4ec0 [ 240.967547] ? __lock_acquire+0x7ec/0x4ec0 [ 240.971782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.977325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.982860] ? should_fail+0x22d/0xd01 [ 240.986765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.991865] ? __lock_acquire+0x7ec/0x4ec0 [ 240.996105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.001205] ? __lock_acquire+0x7ec/0x4ec0 [ 241.005439] ? should_fail+0x22d/0xd01 [ 241.009340] ? mark_held_locks+0x130/0x130 [ 241.013578] ? mark_held_locks+0x130/0x130 [ 241.017819] ? graph_lock+0x170/0x170 [ 241.021620] ? print_usage_bug+0xc0/0xc0 [ 241.025684] ? graph_lock+0x170/0x170 [ 241.029486] ? print_usage_bug+0xc0/0xc0 [ 241.033544] ? wq_watchdog_touch+0x9c/0xfe [ 241.037781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.043324] ? check_preemption_disabled+0x48/0x200 [ 241.048360] ? check_preemption_disabled+0x48/0x200 [ 241.053387] ? __lock_is_held+0xb5/0x140 [ 241.057464] __alloc_pages_nodemask+0xa80/0xde0 [ 241.062134] ? graph_lock+0x170/0x170 [ 241.065944] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.070956] ? graph_lock+0x170/0x170 [ 241.074767] ? find_held_lock+0x36/0x1c0 [ 241.078843] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.083510] ? lock_downgrade+0x900/0x900 [ 241.087694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.093236] cache_grow_begin+0x91/0x8c0 [ 241.097301] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.101717] fallback_alloc+0x203/0x2e0 [ 241.105698] ____cache_alloc_node+0x1c7/0x1e0 [ 241.110201] kmem_cache_alloc_node+0xe3/0x730 [ 241.114701] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.118948] __alloc_skb+0x119/0x770 [ 241.122663] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.127945] ? skb_scrub_packet+0x490/0x490 [ 241.132265] ? lock_downgrade+0x900/0x900 [ 241.136425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.141963] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.147421] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.152874] ? addrconf_rs_timer+0x690/0x690 [ 241.157303] ndisc_alloc_skb+0x144/0x340 [ 241.161376] ndisc_send_rs+0x331/0x6e0 [ 241.165273] addrconf_rs_timer+0x314/0x690 [ 241.169514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.173765] call_timer_fn+0x272/0x920 [ 241.177651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.181892] ? process_timeout+0x40/0x40 [ 241.185967] ? find_held_lock+0x36/0x1c0 [ 241.190036] ? __run_timers+0x7da/0xc70 [ 241.194015] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.198510] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.203012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.207249] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.211833] ? trace_hardirqs_on+0xbd/0x310 [ 241.216152] ? kasan_check_read+0x11/0x20 [ 241.220299] ? __run_timers+0x7da/0xc70 [ 241.224278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.229735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.233980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.238219] __run_timers+0x7e5/0xc70 [ 241.242036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.247419] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.252443] ? graph_lock+0x170/0x170 [ 241.256253] ? enqueue_hrtimer+0x1a5/0x560 [ 241.260490] ? lock_release+0x970/0x970 [ 241.264469] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.269665] ? find_held_lock+0x36/0x1c0 [ 241.273756] ? graph_lock+0x170/0x170 [ 241.277559] ? pvclock_read_flags+0x160/0x160 [ 241.282058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.287600] ? check_preemption_disabled+0x48/0x200 [ 241.292628] ? __lock_is_held+0xb5/0x140 [ 241.296690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.302226] ? check_preemption_disabled+0x48/0x200 [ 241.307422] run_timer_softirq+0x52/0xb0 [ 241.311490] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.316507] __do_softirq+0x30b/0xad8 [ 241.320320] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.325433] ? pvclock_read_flags+0x160/0x160 [ 241.329942] ? lapic_next_event+0x5a/0x90 [ 241.334090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.339627] ? check_preemption_disabled+0x48/0x200 [ 241.344643] ? check_preemption_disabled+0x48/0x200 [ 241.349665] ? kvm_clock_read+0x18/0x30 [ 241.353641] ? kvm_sched_clock_read+0x9/0x20 [ 241.358061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.363600] ? check_preemption_disabled+0x48/0x200 [ 241.368632] irq_exit+0x17f/0x1c0 [ 241.372087] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.376934] ? smp_reschedule_interrupt+0x109/0x650 [ 241.381959] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.387845] ? interrupt_entry+0xb5/0xf0 [ 241.391917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.396939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.401965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.406811] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.411829] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.416850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.422394] ? check_preemption_disabled+0x48/0x200 [ 241.427417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.432965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.437818] apic_timer_interrupt+0xf/0x20 [ 241.442558] [ 241.444798] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.449732] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 241.468628] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.476337] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 241.483604] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 241.490872] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 241.498144] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 241.505419] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 241.512745] skb_clone+0x1bb/0x500 [ 241.516289] ? finish_task_switch+0x1b5/0x900 [ 241.520793] ? skb_split+0x11e0/0x11e0 [ 241.524686] ? preempt_notifier_register+0x200/0x200 [ 241.529792] ? __switch_to_asm+0x34/0x70 [ 241.533851] ? __switch_to_asm+0x34/0x70 [ 241.537918] ? __switch_to_asm+0x40/0x70 [ 241.541976] ? __switch_to_asm+0x34/0x70 [ 241.546037] ? __switch_to_asm+0x40/0x70 [ 241.550098] ? __switch_to_asm+0x34/0x70 [ 241.554159] ? __switch_to_asm+0x40/0x70 [ 241.558219] ? __switch_to_asm+0x34/0x70 [ 241.562279] ? __switch_to_asm+0x34/0x70 [ 241.566335] ? __switch_to_asm+0x40/0x70 [ 241.570395] ? __switch_to_asm+0x34/0x70 [ 241.574473] bpf_clone_redirect+0xb9/0x490 [ 241.578718] ? __schedule+0x874/0x1ed0 [ 241.582616] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 241.587634] ? __sched_text_start+0x8/0x8 [ 241.591797] ? find_held_lock+0x36/0x1c0 [ 241.595866] ? lock_acquire+0x1ed/0x520 [ 241.599838] ? bpf_test_run+0x32e/0x5a0 [ 241.603816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.609355] ? check_preemption_disabled+0x48/0x200 [ 241.614378] ? kasan_check_read+0x11/0x20 [ 241.618534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.623816] ? rcu_bh_qs+0xc0/0xc0 [ 241.627359] ? preempt_schedule+0x4d/0x60 [ 241.631508] ? ___preempt_schedule+0x16/0x18 [ 241.635928] ? bpf_test_run+0x1c0/0x5a0 [ 241.639929] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.644343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.649880] ? bpf_test_init.isra.9+0x70/0x100 [ 241.654476] ? bpf_prog_test_run_skb+0x634/0xb40 [ 241.659243] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.664082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.669615] ? fput+0x130/0x1a0 [ 241.672896] ? __bpf_prog_get+0x9b/0x290 [ 241.676973] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.681813] ? bpf_prog_test_run+0x130/0x1a0 [ 241.686228] ? __x64_sys_bpf+0x3d8/0x510 [ 241.690291] ? bpf_prog_get+0x20/0x20 [ 241.694115] ? do_syscall_64+0x1b9/0x820 [ 241.698174] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.703543] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.708484] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.713504] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.718529] ? recalc_sigpending_tsk+0x180/0x180 [ 241.723295] ? kasan_check_write+0x14/0x20 [ 241.727541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.732392] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.737785] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 241.737790] warn_alloc_show_mem: 1 callbacks suppressed [ 241.737798] Mem-Info: [ 241.744720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.750094] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 241.750094] active_file:13 inactive_file:13 isolated_file:1 [ 241.750094] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.750094] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 241.750094] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 241.750094] free:13741 free_pcp:221 free_cma:0 [ 241.752464] Call Trace: [ 241.761848] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.794867] [ 241.797442] Node 0 [ 241.825288] dump_stack+0x1c4/0x2b4 [ 241.827440] 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 [ 241.829644] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.833236] lowmem_reserve[]: 0 [ 241.858751] warn_alloc.cold.119+0xb7/0x1bd [ 241.863911] 2819 [ 241.867189] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.871480] 6323 6323 [ 241.873556] ? lock_downgrade+0x900/0x900 [ 241.880864] ? trace_hardirqs_off+0xb8/0x310 [ 241.884980] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 241.889406] ? trace_hardirqs_off+0xb8/0x310 [ 241.889430] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.917071] lowmem_reserve[]: 0 [ 241.921508] ? warn_alloc+0x120/0x120 [ 241.926307] 0 3503 [ 241.929589] ? trace_hardirqs_on+0x310/0x310 [ 241.933367] 3503 [ 241.935595] ? warn_alloc+0x120/0x120 [ 241.942030] ? print_usage_bug+0xc0/0xc0 [ 241.945808] Node 0 [ 241.949862] ? warn_alloc+0x120/0x120 [ 241.949893] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 241.949909] lowmem_reserve[]: [ 241.952144] ? ktime_get+0x2e1/0x440 [ 241.955918] 0 0 [ 241.984374] ? print_usage_bug+0xc0/0xc0 [ 241.987454] 0 [ 241.991159] ? __lock_acquire+0x7ec/0x4ec0 [ 241.993112] 0 [ 241.997169] ? __lock_acquire+0x7ec/0x4ec0 [ 242.003173] ? kasan_check_read+0x11/0x20 [ 242.004949] Node 0 [ 242.009179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.013301] DMA: [ 242.015532] ? should_fail+0x22d/0xd01 [ 242.021042] 1*4kB [ 242.023098] ? rcu_bh_qs+0xc0/0xc0 [ 242.026962] (U) [ 242.029111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.032627] 0*8kB [ 242.034594] ? __lock_acquire+0x7ec/0x4ec0 [ 242.039673] 0*16kB [ 242.041815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.046023] 1*32kB [ 242.048251] ? __lock_acquire+0x7ec/0x4ec0 [ 242.053327] (U) [ 242.055560] ? should_fail+0x22d/0xd01 [ 242.059764] 2*64kB (U) [ 242.061741] ? rcu_idle_enter+0x4b0/0x4b0 [ 242.065594] 1*128kB (U) [ 242.068183] ? mark_held_locks+0x130/0x130 [ 242.072295] 1*256kB (U) [ 242.074965] ? mark_held_locks+0x130/0x130 [ 242.079172] 0*512kB 1*1024kB [ 242.081845] ? mark_held_locks+0xc7/0x130 [ 242.086055] (U) [ 242.089158] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 242.093271] 1*2048kB (M) [ 242.095249] ? graph_lock+0x170/0x170 [ 242.100240] 3*4096kB [ 242.102988] ? print_usage_bug+0xc0/0xc0 [ 242.106767] (M) [ 242.109175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.113213] = 15908kB [ 242.115188] ? check_preemption_disabled+0x48/0x200 [ 242.120703] Node 0 [ 242.123111] ? check_preemption_disabled+0x48/0x200 [ 242.128103] DMA32: [ 242.130339] ? __lock_is_held+0xb5/0x140 [ 242.135322] 5*4kB [ 242.137562] __alloc_pages_nodemask+0xa80/0xde0 [ 242.141591] (UM) [ 242.143733] ? graph_lock+0x170/0x170 [ 242.148374] 0*8kB 3*16kB [ 242.150443] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.154218] (UM) [ 242.156965] ? graph_lock+0x170/0x170 [ 242.161952] 2*32kB (M) [ 242.164022] ? find_held_lock+0x36/0x1c0 [ 242.167793] 5*64kB [ 242.170378] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.174407] (UM) [ 242.176635] ? lock_downgrade+0x900/0x900 [ 242.181274] 3*128kB (M) [ 242.183342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.187455] 3*256kB (M) [ 242.190128] cache_grow_begin+0x91/0x8c0 [ 242.195630] 4*512kB (UM) [ 242.198308] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.202337] 3*1024kB (UM) [ 242.205101] fallback_alloc+0x203/0x2e0 [ 242.209476] 1*2048kB (M) [ 242.212322] ____cache_alloc_node+0x1c7/0x1e0 [ 242.216266] 4*4096kB [ 242.219025] kmem_cache_alloc_node+0xe3/0x730 [ 242.223494] (M) [ 242.225898] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.230374] = 25156kB [ 242.232349] __alloc_skb+0x119/0x770 [ 242.236582] Node 0 [ 242.238989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.242674] Normal: [ 242.244920] ? skb_scrub_packet+0x490/0x490 [ 242.250164] 1005*4kB [ 242.252482] ? lock_downgrade+0x900/0x900 [ 242.256781] (MEH) [ 242.259193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.263312] 451*8kB [ 242.265462] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.270977] (ME) [ 242.273309] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.278733] 184*16kB (UME) [ 242.280805] ? addrconf_rs_timer+0x690/0x690 [ 242.286219] 94*32kB (UME) [ 242.289172] ndisc_alloc_skb+0x144/0x340 [ 242.293548] 5*64kB [ 242.296396] ndisc_send_rs+0x331/0x6e0 [ 242.300435] (UM) [ 242.302679] addrconf_rs_timer+0x314/0x690 [ 242.306525] 0*128kB 0*256kB [ 242.308642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.312853] 0*512kB [ 242.315883] call_timer_fn+0x272/0x920 [ 242.320086] 0*1024kB [ 242.322406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.326269] 0*2048kB 0*4096kB [ 242.328685] ? process_timeout+0x40/0x40 [ 242.332895] = 13900kB [ 242.336089] ? find_held_lock+0x36/0x1c0 [ 242.340133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.342536] ? mark_held_locks+0xc7/0x130 [ 242.346573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.355396] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.359519] 4241 total pagecache pages [ 242.368089] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.372574] 0 pages in swap cache [ 242.376446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.380929] Swap cache stats: add 0, delete 0, find 0/0 [ 242.384374] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.388581] Free swap = 0kB [ 242.393953] ? trace_hardirqs_on+0xbd/0x310 [ 242.398502] Total swap = 0kB [ 242.398510] 1965979 pages RAM [ 242.401525] ? kasan_check_read+0x11/0x20 [ 242.405817] 0 pages HighMem/MovableOnly [ 242.405826] 342307 pages reserved [ 242.408838] ? __run_timers+0x7da/0xc70 [ 242.411915] 0 pages cma reserved [ 242.412016] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.416066] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.420078] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.423469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.427417] syz-executor5 cpuset= [ 242.430776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.437238] syz5 [ 242.442684] __run_timers+0x7e5/0xc70 [ 242.453147] mems_allowed=0 [ 242.457383] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.479038] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.484064] ? graph_lock+0x170/0x170 [ 242.487870] ? print_usage_bug+0xc0/0xc0 [ 242.491946] ? lock_release+0x970/0x970 [ 242.495935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.501136] ? find_held_lock+0x36/0x1c0 [ 242.505206] ? graph_lock+0x170/0x170 [ 242.509009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.514563] ? check_preemption_disabled+0x48/0x200 [ 242.519588] ? __lock_is_held+0xb5/0x140 [ 242.523654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.529194] ? check_preemption_disabled+0x48/0x200 [ 242.534226] run_timer_softirq+0x52/0xb0 [ 242.538291] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.543317] __do_softirq+0x30b/0xad8 [ 242.547139] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.552249] ? pvclock_read_flags+0x160/0x160 [ 242.556744] ? lapic_next_event+0x5a/0x90 [ 242.560893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.566447] ? check_preemption_disabled+0x48/0x200 [ 242.571464] ? check_preemption_disabled+0x48/0x200 [ 242.576484] ? kvm_clock_read+0x18/0x30 [ 242.580459] ? kvm_sched_clock_read+0x9/0x20 [ 242.584872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.590422] ? check_preemption_disabled+0x48/0x200 [ 242.595448] irq_exit+0x17f/0x1c0 [ 242.598917] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.603780] ? smp_reschedule_interrupt+0x109/0x650 [ 242.608813] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.614696] ? interrupt_entry+0xb5/0xf0 [ 242.618773] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.623801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.628818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.633663] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.638679] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.643701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.649238] ? check_preemption_disabled+0x48/0x200 [ 242.654256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.659804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.664655] apic_timer_interrupt+0xf/0x20 [ 242.668883] [ 242.671141] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 242.676157] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 242.695056] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 242.702765] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 242.710031] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 242.717296] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 242.724562] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 242.731826] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 242.739115] ? list_lru_count_one+0x36d/0x450 [ 242.743614] ? list_lru_count_one+0x260/0x450 [ 242.748127] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 242.753931] ? kasan_check_read+0x11/0x20 [ 242.758080] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.763357] ? rcu_bh_qs+0xc0/0xc0 [ 242.766922] list_lru_count_one+0x265/0x450 [ 242.771249] ? list_lru_add+0x980/0x980 [ 242.775228] ? deferred_split_count+0x65/0x170 [ 242.779808] ? shrink_huge_zero_page_count+0xc8/0x100 [ 242.785003] super_cache_count+0x153/0x2e0 [ 242.789247] do_shrink_slab+0x1a7/0xd20 [ 242.793227] ? lock_release+0x970/0x970 [ 242.797204] ? snapshot_refaults+0x290/0x290 [ 242.801617] ? ___might_sleep+0x1ed/0x300 [ 242.805772] ? down_read_trylock+0xff/0x1e0 [ 242.810089] ? shrink_slab+0x207/0x8c0 [ 242.813978] ? downgrade_write+0x2b0/0x2b0 [ 242.818213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.823748] ? shrink_node_memcg+0xc82/0x18e0 [ 242.828260] shrink_slab+0x389/0x8c0 [ 242.831975] ? shrink_active_list+0x1c20/0x1c20 [ 242.836659] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 242.842287] ? kasan_check_read+0x11/0x20 [ 242.846439] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.850855] ? ___preempt_schedule+0x16/0x18 [ 242.855280] ? _raw_spin_unlock+0x3f/0x50 [ 242.859435] shrink_node+0x431/0x16b0 [ 242.863238] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 242.868541] ? shrink_node_memcg+0x18e0/0x18e0 [ 242.873123] ? lockdep_hardirqs_on+0x421/0x5c0 [ 242.877709] ? trace_hardirqs_on+0xbd/0x310 [ 242.882030] ? vmpressure+0x271/0x340 [ 242.885840] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 242.890430] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.895971] ? __cpuset_node_allowed+0x19b/0x660 [ 242.900730] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 242.906446] ? vmpressure+0x1a2/0x340 [ 242.910256] do_try_to_free_pages+0x3e7/0x1290 [ 242.914863] ? shrink_node+0x16b0/0x16b0 [ 242.918939] ? __lock_is_held+0xb5/0x140 [ 242.923016] try_to_free_pages+0x4d0/0xb90 [ 242.927260] ? do_try_to_free_pages+0x1290/0x1290 [ 242.932105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.937653] ? lock_acquire+0x1ed/0x520 [ 242.941626] ? set_page_refcounted+0x280/0x280 [ 242.946217] ? lock_release+0x970/0x970 [ 242.950194] ? ___might_sleep+0x1ed/0x300 [ 242.954354] ? arch_local_save_flags+0x40/0x40 [ 242.958959] __alloc_pages_slowpath+0x993/0x2d80 [ 242.963748] ? warn_alloc+0x120/0x120 [ 242.967547] ? __radix_tree_lookup+0x4c0/0x4c0 [ 242.972144] ? find_get_entry+0x2f2/0xc40 [ 242.976308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.981847] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 242.986777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.992325] ? should_fail+0x22d/0xd01 [ 242.996225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.001341] ? __lock_is_held+0xb5/0x140 [ 243.005454] ? __lock_is_held+0xb5/0x140 [ 243.009541] ? __lock_acquire+0x7ec/0x4ec0 [ 243.013789] ? ___might_sleep+0x1ed/0x300 [ 243.017949] ? lock_release+0x970/0x970 [ 243.021949] ? arch_local_save_flags+0x40/0x40 [ 243.026555] ? __might_sleep+0x95/0x190 [ 243.030547] __alloc_pages_nodemask+0xa80/0xde0 [ 243.035240] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.040273] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.046086] ? kasan_check_read+0x11/0x20 [ 243.050253] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.055546] ? graph_lock+0x170/0x170 [ 243.059363] ? print_usage_bug+0xc0/0xc0 [ 243.063439] ? graph_lock+0x170/0x170 [ 243.067241] ? graph_lock+0x170/0x170 [ 243.071065] ? __do_page_cache_readahead+0x7ce/0x980 [ 243.076174] ? find_held_lock+0x36/0x1c0 [ 243.080250] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 243.085817] alloc_pages_current+0x10c/0x210 [ 243.090252] ? lock_downgrade+0x900/0x900 [ 243.094420] __page_cache_alloc+0x38f/0x5b0 [ 243.098753] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.104567] ? kasan_check_read+0x11/0x20 [ 243.108724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.114043] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 243.118728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.124276] ? check_preemption_disabled+0x48/0x200 [ 243.129314] filemap_fault+0x1594/0x25f0 [ 243.133399] ? __lock_page_or_retry+0xa00/0xa00 [ 243.138079] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.143878] ? kasan_check_read+0x11/0x20 [ 243.148049] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.153324] ? ep_scan_ready_list+0xbeb/0x1050 [ 243.157927] ? rcu_bh_qs+0xc0/0xc0 [ 243.161472] ? lock_downgrade+0x900/0x900 [ 243.165630] ? graph_lock+0x170/0x170 [ 243.169443] ? filemap_map_pages+0xdea/0x1980 [ 243.173971] ? find_get_pages_range_tag+0x1320/0x1320 [ 243.179165] ? wait_for_completion+0x8a0/0x8a0 [ 243.183754] ? graph_lock+0x170/0x170 [ 243.187560] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.192146] ? kasan_check_read+0x11/0x20 [ 243.196299] ? ep_scan_ready_list+0xbc7/0x1050 [ 243.200890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.206375] ? lock_acquire+0x1ed/0x520 [ 243.210353] ? ext4_filemap_fault+0x7a/0xad [ 243.214684] ? lock_release+0x970/0x970 [ 243.218660] ? arch_local_save_flags+0x40/0x40 [ 243.223246] ? ep_poll_callback+0x10e0/0x10e0 [ 243.227758] ? down_read+0xb0/0x1d0 [ 243.231386] ? ext4_filemap_fault+0x7a/0xad [ 243.235718] ? __down_interruptible+0x700/0x700 [ 243.240393] ? get_futex_key+0x21b0/0x21b0 [ 243.244644] ext4_filemap_fault+0x82/0xad [ 243.248801] __do_fault+0x100/0x6b0 [ 243.252434] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.256941] ? print_bad_pte+0x6c0/0x6c0 [ 243.261007] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.265594] ? trace_hardirqs_on+0xbd/0x310 [ 243.269948] ? kasan_check_read+0x11/0x20 [ 243.274100] ? pmd_val+0x88/0x100 [ 243.277556] ? add_mm_counter_fast+0xd0/0xd0 [ 243.281966] ? pmd_val+0x88/0x100 [ 243.285420] ? add_mm_counter_fast+0xd0/0xd0 [ 243.289843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.295387] __handle_mm_fault+0x3709/0x53e0 [ 243.299806] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 243.304654] ? graph_lock+0x170/0x170 [ 243.308984] ? print_usage_bug+0xc0/0xc0 [ 243.313047] ? rcu_bh_qs+0xc0/0xc0 [ 243.316592] ? graph_lock+0x170/0x170 [ 243.320395] ? graph_lock+0x170/0x170 [ 243.324222] ? handle_mm_fault+0x42a/0xc70 [ 243.328462] ? lock_downgrade+0x900/0x900 [ 243.332618] ? check_preemption_disabled+0x48/0x200 [ 243.337651] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.343458] ? kasan_check_read+0x11/0x20 [ 243.347620] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.352909] ? rcu_bh_qs+0xc0/0xc0 [ 243.356462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.361930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.367500] ? check_preemption_disabled+0x48/0x200 [ 243.372539] handle_mm_fault+0x54f/0xc70 [ 243.376608] ? __handle_mm_fault+0x53e0/0x53e0 [ 243.381202] ? find_vma+0x34/0x190 [ 243.384750] __do_page_fault+0x67d/0xed0 [ 243.388827] ? mm_fault_error+0x380/0x380 [ 243.392975] ? trace_hardirqs_off+0xb8/0x310 [ 243.397389] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.402764] ? trace_hardirqs_on+0x310/0x310 [ 243.407183] do_page_fault+0xf2/0x7e0 [ 243.411001] ? vmalloc_sync_all+0x30/0x30 [ 243.415155] ? error_entry+0x70/0xd0 [ 243.418871] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.423896] ? trace_hardirqs_on_caller+0xc0/0x310 [ 243.428843] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.433777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.438832] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.443847] ? trace_hardirqs_off+0x310/0x310 [ 243.448351] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.453368] ? page_fault+0x8/0x30 [ 243.456923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.461771] ? page_fault+0x8/0x30 [ 243.465314] page_fault+0x1e/0x30 [ 243.468771] RIP: 0033:0x45df89 [ 243.471971] Code: Bad RIP value. [ 243.475340] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 243.480706] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 243.487986] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 243.495267] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 243.502544] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 243.509823] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 243.517147] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 243.517229] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.524336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.524342] Call Trace: [ 243.524349] [ 243.524371] dump_stack+0x1c4/0x2b4 [ 243.524390] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.524424] warn_alloc.cold.119+0xb7/0x1bd [ 243.531012] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.540252] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.542809] syz-fuzzer cpuset= [ 243.544953] ? lock_downgrade+0x900/0x900 [ 243.548549] / [ 243.553738] ? trace_hardirqs_off+0xb8/0x310 [ 243.558030] mems_allowed=0 [ 243.568255] ? trace_hardirqs_off+0xb8/0x310 [ 243.593808] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.598689] ? warn_alloc+0x120/0x120 [ 243.602494] ? graph_lock+0x170/0x170 [ 243.606296] ? warn_alloc+0x120/0x120 [ 243.610102] ? print_usage_bug+0xc0/0xc0 [ 243.614164] ? warn_alloc+0x120/0x120 [ 243.617970] ? print_usage_bug+0xc0/0xc0 [ 243.622038] ? __lock_acquire+0x7ec/0x4ec0 [ 243.626273] ? __lock_acquire+0x7ec/0x4ec0 [ 243.630511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.636057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.641604] ? should_fail+0x22d/0xd01 [ 243.645503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.650619] ? __lock_acquire+0x7ec/0x4ec0 [ 243.654867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.659994] ? __lock_acquire+0x7ec/0x4ec0 [ 243.664230] ? should_fail+0x22d/0xd01 [ 243.668138] ? mark_held_locks+0x130/0x130 [ 243.672425] ? mark_held_locks+0x130/0x130 [ 243.676671] ? graph_lock+0x170/0x170 [ 243.680507] ? print_usage_bug+0xc0/0xc0 [ 243.684566] ? graph_lock+0x170/0x170 [ 243.688364] ? print_usage_bug+0xc0/0xc0 [ 243.692433] ? wq_watchdog_touch+0x9c/0xfe [ 243.696667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.702212] ? check_preemption_disabled+0x48/0x200 [ 243.707232] ? check_preemption_disabled+0x48/0x200 [ 243.712261] ? __lock_is_held+0xb5/0x140 [ 243.716329] __alloc_pages_nodemask+0xa80/0xde0 [ 243.720997] ? graph_lock+0x170/0x170 [ 243.724806] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.729832] ? graph_lock+0x170/0x170 [ 243.733645] ? find_held_lock+0x36/0x1c0 [ 243.737718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.742388] ? lock_downgrade+0x900/0x900 [ 243.746603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.752155] cache_grow_begin+0x91/0x8c0 [ 243.756218] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.760633] fallback_alloc+0x203/0x2e0 [ 243.764619] ____cache_alloc_node+0x1c7/0x1e0 [ 243.769120] kmem_cache_alloc_node+0xe3/0x730 [ 243.773619] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.777867] __alloc_skb+0x119/0x770 [ 243.781591] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.786877] ? skb_scrub_packet+0x490/0x490 [ 243.791206] ? lock_downgrade+0x900/0x900 [ 243.795362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.800914] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.806382] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.811847] ? addrconf_rs_timer+0x690/0x690 [ 243.816277] ndisc_alloc_skb+0x144/0x340 [ 243.820349] ndisc_send_rs+0x331/0x6e0 [ 243.824247] addrconf_rs_timer+0x314/0x690 [ 243.828494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.832746] call_timer_fn+0x272/0x920 [ 243.836642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.840884] ? process_timeout+0x40/0x40 [ 243.844952] ? find_held_lock+0x36/0x1c0 [ 243.849033] ? __run_timers+0x7da/0xc70 [ 243.853014] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.857515] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.862019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.866261] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.870851] ? trace_hardirqs_on+0xbd/0x310 [ 243.875176] ? kasan_check_read+0x11/0x20 [ 243.879340] ? __run_timers+0x7da/0xc70 [ 243.883320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.888784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.893032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.897274] __run_timers+0x7e5/0xc70 [ 243.901092] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.906456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.911473] ? graph_lock+0x170/0x170 [ 243.915278] ? enqueue_hrtimer+0x1a5/0x560 [ 243.919513] ? lock_release+0x970/0x970 [ 243.923488] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.928685] ? find_held_lock+0x36/0x1c0 [ 243.932754] ? graph_lock+0x170/0x170 [ 243.936576] ? pvclock_read_flags+0x160/0x160 [ 243.941075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.946618] ? check_preemption_disabled+0x48/0x200 [ 243.951648] ? __lock_is_held+0xb5/0x140 [ 243.955717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.961261] ? check_preemption_disabled+0x48/0x200 [ 243.966286] run_timer_softirq+0x52/0xb0 [ 243.970351] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.975376] __do_softirq+0x30b/0xad8 [ 243.979194] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.984306] ? pvclock_read_flags+0x160/0x160 [ 243.988804] ? lapic_next_event+0x5a/0x90 [ 243.992957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.998502] ? check_preemption_disabled+0x48/0x200 [ 244.003520] ? check_preemption_disabled+0x48/0x200 [ 244.008546] ? kvm_clock_read+0x18/0x30 [ 244.012520] ? kvm_sched_clock_read+0x9/0x20 [ 244.016940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.022487] ? check_preemption_disabled+0x48/0x200 [ 244.027521] irq_exit+0x17f/0x1c0 [ 244.030987] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.035832] ? smp_reschedule_interrupt+0x109/0x650 [ 244.040859] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.046752] ? interrupt_entry+0xb5/0xf0 [ 244.050833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.055856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.060880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.065739] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.070759] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.075784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.081330] ? check_preemption_disabled+0x48/0x200 [ 244.086364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.091928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.096792] apic_timer_interrupt+0xf/0x20 [ 244.101023] [ 244.103269] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.108206] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 244.127110] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 244.134822] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.142093] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 244.149362] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 244.156630] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.163896] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 244.171260] skb_clone+0x1bb/0x500 [ 244.174803] ? finish_task_switch+0x1b5/0x900 [ 244.179302] ? skb_split+0x11e0/0x11e0 [ 244.183191] ? preempt_notifier_register+0x200/0x200 [ 244.188292] ? __switch_to_asm+0x34/0x70 [ 244.192352] ? __switch_to_asm+0x34/0x70 [ 244.196409] ? __switch_to_asm+0x40/0x70 [ 244.200472] ? __switch_to_asm+0x34/0x70 [ 244.204532] ? __switch_to_asm+0x40/0x70 [ 244.208606] ? __switch_to_asm+0x34/0x70 [ 244.212668] ? __switch_to_asm+0x40/0x70 [ 244.216731] ? __switch_to_asm+0x34/0x70 [ 244.220793] ? __switch_to_asm+0x34/0x70 [ 244.224863] ? __switch_to_asm+0x40/0x70 [ 244.228931] ? __switch_to_asm+0x34/0x70 [ 244.233008] bpf_clone_redirect+0xb9/0x490 [ 244.237255] ? __schedule+0x874/0x1ed0 [ 244.241153] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 244.246186] ? __sched_text_start+0x8/0x8 [ 244.250354] ? find_held_lock+0x36/0x1c0 [ 244.254432] ? lock_acquire+0x1ed/0x520 [ 244.258431] ? bpf_test_run+0x32e/0x5a0 [ 244.262434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.267991] ? check_preemption_disabled+0x48/0x200 [ 244.273056] ? kasan_check_read+0x11/0x20 [ 244.277212] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.282499] ? rcu_bh_qs+0xc0/0xc0 [ 244.286046] ? preempt_schedule+0x4d/0x60 [ 244.290200] ? ___preempt_schedule+0x16/0x18 [ 244.294626] ? bpf_test_run+0x1c0/0x5a0 [ 244.298613] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.303037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.308579] ? bpf_test_init.isra.9+0x70/0x100 [ 244.313174] ? bpf_prog_test_run_skb+0x634/0xb40 [ 244.317948] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.322795] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.328336] ? fput+0x130/0x1a0 [ 244.331628] ? __bpf_prog_get+0x9b/0x290 [ 244.335694] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.340534] ? bpf_prog_test_run+0x130/0x1a0 [ 244.344954] ? __x64_sys_bpf+0x3d8/0x510 [ 244.349020] ? bpf_prog_get+0x20/0x20 [ 244.352843] ? do_syscall_64+0x1b9/0x820 [ 244.356914] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.362281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.367213] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.372233] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.377255] ? recalc_sigpending_tsk+0x180/0x180 [ 244.382017] ? kasan_check_write+0x14/0x20 [ 244.386261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.391115] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.396497] warn_alloc_show_mem: 1 callbacks suppressed [ 244.396509] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 244.396511] Mem-Info: [ 244.396542] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 244.396542] active_file:13 inactive_file:13 isolated_file:1 [ 244.396542] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.396542] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 244.396542] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 244.396542] free:13741 free_pcp:221 free_cma:0 [ 244.401881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.408815] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.411215] Call Trace: [ 244.444263] Node 0 [ 244.453621] [ 244.481504] 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 [ 244.484071] dump_stack+0x1c4/0x2b4 [ 244.486268] lowmem_reserve[]: 0 [ 244.488431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.513929] 2819 [ 244.517571] warn_alloc.cold.119+0xb7/0x1bd [ 244.520810] 6323 [ 244.526005] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.528034] 6323 [ 244.532369] ? lock_downgrade+0x900/0x900 [ 244.539265] ? trace_hardirqs_off+0xb8/0x310 [ 244.541302] Node 0 [ 244.545443] ? trace_hardirqs_off+0xb8/0x310 [ 244.549849] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.552062] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.556436] lowmem_reserve[]: [ 244.583547] ? warn_alloc+0x120/0x120 [ 244.588341] 0 [ 244.591447] ? trace_hardirqs_on+0x310/0x310 [ 244.595216] 0 3503 [ 244.597026] ? warn_alloc+0x120/0x120 [ 244.601404] 3503 [ 244.603638] ? print_usage_bug+0xc0/0xc0 [ 244.609470] ? warn_alloc+0x120/0x120 [ 244.613504] Node 0 [ 244.617304] ? ktime_get+0x2e1/0x440 [ 244.617340] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 244.619543] ? print_usage_bug+0xc0/0xc0 [ 244.623221] lowmem_reserve[]: 0 [ 244.651786] ? __lock_acquire+0x7ec/0x4ec0 [ 244.655823] 0 [ 244.659107] ? __lock_acquire+0x7ec/0x4ec0 [ 244.663314] 0 [ 244.665114] ? kasan_check_read+0x11/0x20 [ 244.669319] 0 [ 244.671126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.675242] Node 0 [ 244.677047] ? should_fail+0x22d/0xd01 [ 244.682550] DMA: 1*4kB [ 244.684802] ? rcu_bh_qs+0xc0/0xc0 [ 244.688661] (U) [ 244.691265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.694777] 0*8kB [ 244.696751] ? __lock_acquire+0x7ec/0x4ec0 [ 244.701826] 0*16kB [ 244.703978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.708184] 1*32kB [ 244.710420] ? __lock_acquire+0x7ec/0x4ec0 [ 244.715507] (U) [ 244.717749] ? should_fail+0x22d/0xd01 [ 244.721955] 2*64kB [ 244.723946] ? rcu_idle_enter+0x4b0/0x4b0 [ 244.727804] (U) [ 244.730045] ? mark_held_locks+0x130/0x130 [ 244.734162] 1*128kB [ 244.736129] ? mark_held_locks+0x130/0x130 [ 244.740332] (U) 1*256kB [ 244.742658] ? mark_held_locks+0xc7/0x130 [ 244.746866] (U) [ 244.749538] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 244.753659] 0*512kB [ 244.755628] ? graph_lock+0x170/0x170 [ 244.760621] 1*1024kB [ 244.762948] ? print_usage_bug+0xc0/0xc0 [ 244.766719] (U) [ 244.769125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.773158] 1*2048kB [ 244.775131] ? check_preemption_disabled+0x48/0x200 [ 244.780638] (M) [ 244.783048] ? check_preemption_disabled+0x48/0x200 [ 244.788039] 3*4096kB (M) [ 244.790027] ? __lock_is_held+0xb5/0x140 [ 244.795013] = 15908kB [ 244.797768] __alloc_pages_nodemask+0xa80/0xde0 [ 244.801796] Node 0 [ 244.804200] ? graph_lock+0x170/0x170 [ 244.808842] DMA32: [ 244.811077] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.814859] 5*4kB [ 244.817092] ? graph_lock+0x170/0x170 [ 244.822079] (UM) [ 244.824230] ? find_held_lock+0x36/0x1c0 [ 244.828000] 0*8kB [ 244.830079] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.834104] 3*16kB (UM) [ 244.836257] ? lock_downgrade+0x900/0x900 [ 244.840896] 2*32kB (M) [ 244.843598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.847713] 5*64kB (UM) [ 244.850389] cache_grow_begin+0x91/0x8c0 [ 244.855898] 3*128kB [ 244.858593] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.862622] (M) [ 244.864956] fallback_alloc+0x203/0x2e0 [ 244.869327] 3*256kB [ 244.871306] ____cache_alloc_node+0x1c7/0x1e0 [ 244.875246] (M) [ 244.877579] kmem_cache_alloc_node+0xe3/0x730 [ 244.882042] 4*512kB [ 244.884020] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.888483] (UM) [ 244.890814] __alloc_skb+0x119/0x770 [ 244.895018] 3*1024kB [ 244.897079] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.900758] (UM) 1*2048kB [ 244.903189] ? skb_scrub_packet+0x490/0x490 [ 244.908453] (M) [ 244.911300] ? lock_downgrade+0x900/0x900 [ 244.915586] 4*4096kB (M) [ 244.917576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.921688] = 25156kB [ 244.924448] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.929953] Node 0 [ 244.932362] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.937776] Normal: 1005*4kB [ 244.940017] ? addrconf_rs_timer+0x690/0x690 [ 244.945436] (MEH) [ 244.948546] ndisc_alloc_skb+0x144/0x340 [ 244.952926] 451*8kB [ 244.955077] ndisc_send_rs+0x331/0x6e0 [ 244.959107] (ME) [ 244.961438] addrconf_rs_timer+0x314/0x690 [ 244.965295] 184*16kB (UME) [ 244.967371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.971579] 94*32kB [ 244.974518] call_timer_fn+0x272/0x920 [ 244.978718] (UME) [ 244.981041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.984899] 5*64kB (UM) [ 244.987080] ? process_timeout+0x40/0x40 [ 244.991283] 0*128kB 0*256kB [ 244.993957] ? find_held_lock+0x36/0x1c0 [ 244.997993] 0*512kB [ 245.001011] ? mark_held_locks+0xc7/0x130 [ 245.005039] 0*1024kB [ 245.007357] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.011472] 0*2048kB 0*4096kB [ 245.013884] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.018357] = 13900kB [ 245.021541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.026014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.028411] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.032629] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.041456] ? trace_hardirqs_on+0xbd/0x310 [ 245.046012] 4241 total pagecache pages [ 245.054590] ? kasan_check_read+0x11/0x20 [ 245.058895] 0 pages in swap cache [ 245.062788] ? __run_timers+0x7da/0xc70 [ 245.066923] Swap cache stats: add 0, delete 0, find 0/0 [ 245.070376] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.074319] Free swap = 0kB [ 245.079686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.085106] Total swap = 0kB [ 245.088130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.092331] 1965979 pages RAM [ 245.095355] __run_timers+0x7e5/0xc70 [ 245.099555] 0 pages HighMem/MovableOnly [ 245.099564] 342307 pages reserved [ 245.102683] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.106443] 0 pages cma reserved [ 245.110417] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.113930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.119220] ? graph_lock+0x170/0x170 [ 245.122690] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.127579] ? print_usage_bug+0xc0/0xc0 [ 245.134047] syz-executor5 cpuset= [ 245.137855] ? lock_release+0x970/0x970 [ 245.148325] syz5 [ 245.152394] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.155820] mems_allowed=0 [ 245.159795] ? find_held_lock+0x36/0x1c0 [ 245.173927] ? graph_lock+0x170/0x170 [ 245.177748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.183308] ? check_preemption_disabled+0x48/0x200 [ 245.188352] ? __lock_is_held+0xb5/0x140 [ 245.192417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.197959] ? check_preemption_disabled+0x48/0x200 [ 245.202982] run_timer_softirq+0x52/0xb0 [ 245.207042] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.212063] __do_softirq+0x30b/0xad8 [ 245.215875] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.220998] ? pvclock_read_flags+0x160/0x160 [ 245.225491] ? lapic_next_event+0x5a/0x90 [ 245.229639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.235179] ? check_preemption_disabled+0x48/0x200 [ 245.240195] ? check_preemption_disabled+0x48/0x200 [ 245.245216] ? kvm_clock_read+0x18/0x30 [ 245.249192] ? kvm_sched_clock_read+0x9/0x20 [ 245.253603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.259140] ? check_preemption_disabled+0x48/0x200 [ 245.264167] irq_exit+0x17f/0x1c0 [ 245.267625] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.272468] ? smp_reschedule_interrupt+0x109/0x650 [ 245.277490] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.283373] ? interrupt_entry+0xb5/0xf0 [ 245.287439] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.292460] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.297480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.302321] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.307843] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.312862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.318398] ? check_preemption_disabled+0x48/0x200 [ 245.323417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.328969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.333822] apic_timer_interrupt+0xf/0x20 [ 245.338057] [ 245.340300] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 245.345323] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 245.364222] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 245.371939] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 245.379206] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 245.386470] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 245.393744] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 245.401773] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 245.409068] ? list_lru_count_one+0x36d/0x450 [ 245.413567] ? list_lru_count_one+0x260/0x450 [ 245.418254] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.424048] ? kasan_check_read+0x11/0x20 [ 245.428198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.433475] ? rcu_bh_qs+0xc0/0xc0 [ 245.437029] list_lru_count_one+0x265/0x450 [ 245.441461] ? list_lru_add+0x980/0x980 [ 245.445439] ? deferred_split_count+0x65/0x170 [ 245.450024] ? shrink_huge_zero_page_count+0xc8/0x100 [ 245.455217] super_cache_count+0x153/0x2e0 [ 245.459457] do_shrink_slab+0x1a7/0xd20 [ 245.463440] ? lock_release+0x970/0x970 [ 245.467419] ? snapshot_refaults+0x290/0x290 [ 245.471837] ? ___might_sleep+0x1ed/0x300 [ 245.475996] ? down_read_trylock+0xff/0x1e0 [ 245.480315] ? shrink_slab+0x207/0x8c0 [ 245.484201] ? downgrade_write+0x2b0/0x2b0 [ 245.488438] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.493979] ? shrink_node_memcg+0xc82/0x18e0 [ 245.498494] shrink_slab+0x389/0x8c0 [ 245.502209] ? shrink_active_list+0x1c20/0x1c20 [ 245.506891] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 245.512530] ? kasan_check_read+0x11/0x20 [ 245.516684] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.521099] ? ___preempt_schedule+0x16/0x18 [ 245.525514] ? _raw_spin_unlock+0x3f/0x50 [ 245.529671] shrink_node+0x431/0x16b0 [ 245.533475] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 245.538777] ? shrink_node_memcg+0x18e0/0x18e0 [ 245.543359] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.547952] ? trace_hardirqs_on+0xbd/0x310 [ 245.552275] ? vmpressure+0x271/0x340 [ 245.556082] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 245.560673] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.566217] ? __cpuset_node_allowed+0x19b/0x660 [ 245.570978] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 245.576688] ? vmpressure+0x1a2/0x340 [ 245.580496] do_try_to_free_pages+0x3e7/0x1290 [ 245.585096] ? shrink_node+0x16b0/0x16b0 [ 245.589161] ? __lock_is_held+0xb5/0x140 [ 245.593236] try_to_free_pages+0x4d0/0xb90 [ 245.597477] ? do_try_to_free_pages+0x1290/0x1290 [ 245.602322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.607875] ? lock_acquire+0x1ed/0x520 [ 245.611861] ? set_page_refcounted+0x280/0x280 [ 245.616479] ? lock_release+0x970/0x970 [ 245.620457] ? ___might_sleep+0x1ed/0x300 [ 245.624609] ? arch_local_save_flags+0x40/0x40 [ 245.629204] __alloc_pages_slowpath+0x993/0x2d80 [ 245.633990] ? warn_alloc+0x120/0x120 [ 245.637790] ? __radix_tree_lookup+0x4c0/0x4c0 [ 245.642387] ? find_get_entry+0x2f2/0xc40 [ 245.646542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.652084] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 245.657012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.662550] ? should_fail+0x22d/0xd01 [ 245.666442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.671552] ? __lock_is_held+0xb5/0x140 [ 245.675640] ? __lock_is_held+0xb5/0x140 [ 245.679716] ? __lock_acquire+0x7ec/0x4ec0 [ 245.683955] ? ___might_sleep+0x1ed/0x300 [ 245.688100] ? lock_release+0x970/0x970 [ 245.692080] ? arch_local_save_flags+0x40/0x40 [ 245.696674] ? __might_sleep+0x95/0x190 [ 245.700654] __alloc_pages_nodemask+0xa80/0xde0 [ 245.705332] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.710349] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.716142] ? kasan_check_read+0x11/0x20 [ 245.720292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.725578] ? graph_lock+0x170/0x170 [ 245.729379] ? print_usage_bug+0xc0/0xc0 [ 245.733443] ? graph_lock+0x170/0x170 [ 245.737241] ? graph_lock+0x170/0x170 [ 245.741041] ? __do_page_cache_readahead+0x7ce/0x980 [ 245.746153] ? find_held_lock+0x36/0x1c0 [ 245.750220] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 245.755760] alloc_pages_current+0x10c/0x210 [ 245.760165] ? lock_downgrade+0x900/0x900 [ 245.764320] __page_cache_alloc+0x38f/0x5b0 [ 245.768639] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.774432] ? kasan_check_read+0x11/0x20 [ 245.778584] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.783866] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 245.788536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.794075] ? check_preemption_disabled+0x48/0x200 [ 245.799101] filemap_fault+0x1594/0x25f0 [ 245.803177] ? __lock_page_or_retry+0xa00/0xa00 [ 245.807847] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.813645] ? kasan_check_read+0x11/0x20 [ 245.817793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.823067] ? ep_scan_ready_list+0xbeb/0x1050 [ 245.827648] ? rcu_bh_qs+0xc0/0xc0 [ 245.831185] ? lock_downgrade+0x900/0x900 [ 245.835334] ? graph_lock+0x170/0x170 [ 245.839145] ? filemap_map_pages+0xdea/0x1980 [ 245.843661] ? find_get_pages_range_tag+0x1320/0x1320 [ 245.848854] ? wait_for_completion+0x8a0/0x8a0 [ 245.853438] ? graph_lock+0x170/0x170 [ 245.857240] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.861820] ? kasan_check_read+0x11/0x20 [ 245.865967] ? ep_scan_ready_list+0xbc7/0x1050 [ 245.870554] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.876022] ? lock_acquire+0x1ed/0x520 [ 245.880008] ? ext4_filemap_fault+0x7a/0xad [ 245.884339] ? lock_release+0x970/0x970 [ 245.888312] ? arch_local_save_flags+0x40/0x40 [ 245.892894] ? ep_poll_callback+0x10e0/0x10e0 [ 245.897417] ? down_read+0xb0/0x1d0 [ 245.901044] ? ext4_filemap_fault+0x7a/0xad [ 245.905366] ? __down_interruptible+0x700/0x700 [ 245.910043] ? get_futex_key+0x21b0/0x21b0 [ 245.914290] ext4_filemap_fault+0x82/0xad [ 245.918441] __do_fault+0x100/0x6b0 [ 245.922073] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.926567] ? print_bad_pte+0x6c0/0x6c0 [ 245.930627] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.935211] ? trace_hardirqs_on+0xbd/0x310 [ 245.939527] ? kasan_check_read+0x11/0x20 [ 245.943672] ? pmd_val+0x88/0x100 [ 245.947129] ? add_mm_counter_fast+0xd0/0xd0 [ 245.951538] ? pmd_val+0x88/0x100 [ 245.954992] ? add_mm_counter_fast+0xd0/0xd0 [ 245.959409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.964955] __handle_mm_fault+0x3709/0x53e0 [ 245.969377] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 245.974224] ? graph_lock+0x170/0x170 [ 245.978032] ? print_usage_bug+0xc0/0xc0 [ 245.982091] ? rcu_bh_qs+0xc0/0xc0 [ 245.985632] ? graph_lock+0x170/0x170 [ 245.989429] ? graph_lock+0x170/0x170 [ 245.993249] ? handle_mm_fault+0x42a/0xc70 [ 245.997486] ? lock_downgrade+0x900/0x900 [ 246.001639] ? check_preemption_disabled+0x48/0x200 [ 246.006661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.012455] ? kasan_check_read+0x11/0x20 [ 246.016606] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.021886] ? rcu_bh_qs+0xc0/0xc0 [ 246.025436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.030890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.036443] ? check_preemption_disabled+0x48/0x200 [ 246.041470] handle_mm_fault+0x54f/0xc70 [ 246.045535] ? __handle_mm_fault+0x53e0/0x53e0 [ 246.050123] ? find_vma+0x34/0x190 [ 246.053671] __do_page_fault+0x67d/0xed0 [ 246.057744] ? mm_fault_error+0x380/0x380 [ 246.061889] ? trace_hardirqs_off+0xb8/0x310 [ 246.066312] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.071677] ? trace_hardirqs_on+0x310/0x310 [ 246.076090] do_page_fault+0xf2/0x7e0 [ 246.079894] ? vmalloc_sync_all+0x30/0x30 [ 246.084067] ? error_entry+0x70/0xd0 [ 246.087782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.092795] ? trace_hardirqs_on_caller+0xc0/0x310 [ 246.097728] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.102659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.107502] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.112519] ? trace_hardirqs_off+0x310/0x310 [ 246.117020] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.122039] ? page_fault+0x8/0x30 [ 246.125583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.130428] ? page_fault+0x8/0x30 [ 246.133969] page_fault+0x1e/0x30 [ 246.137418] RIP: 0033:0x45df89 [ 246.140613] Code: Bad RIP value. [ 246.143972] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 246.149333] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 246.156598] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 246.163862] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 246.171126] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 246.178393] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 246.185688] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 246.185773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.192879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.192884] Call Trace: [ 246.192890] [ 246.192919] dump_stack+0x1c4/0x2b4 [ 246.192939] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.199467] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.208773] warn_alloc.cold.119+0xb7/0x1bd [ 246.211327] syz-fuzzer cpuset= [ 246.213470] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.217072] / [ 246.222254] ? lock_downgrade+0x900/0x900 [ 246.232453] mems_allowed=0 [ 246.236769] ? trace_hardirqs_off+0xb8/0x310 [ 246.257924] ? trace_hardirqs_off+0xb8/0x310 [ 246.262347] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.267226] ? warn_alloc+0x120/0x120 [ 246.271031] ? trace_hardirqs_on+0x310/0x310 [ 246.275447] ? warn_alloc+0x120/0x120 [ 246.279250] ? print_usage_bug+0xc0/0xc0 [ 246.283311] ? warn_alloc+0x120/0x120 [ 246.287199] ? ktime_get+0x2e1/0x440 [ 246.290922] ? print_usage_bug+0xc0/0xc0 [ 246.294991] ? __lock_acquire+0x7ec/0x4ec0 [ 246.299227] ? __lock_acquire+0x7ec/0x4ec0 [ 246.303466] ? kasan_check_read+0x11/0x20 [ 246.307617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.313160] ? should_fail+0x22d/0xd01 [ 246.317049] ? rcu_bh_qs+0xc0/0xc0 [ 246.320592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.325697] ? __lock_acquire+0x7ec/0x4ec0 [ 246.329941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.335043] ? __lock_acquire+0x7ec/0x4ec0 [ 246.339278] ? should_fail+0x22d/0xd01 [ 246.343169] ? rcu_idle_enter+0x4b0/0x4b0 [ 246.347326] ? mark_held_locks+0x130/0x130 [ 246.351568] ? mark_held_locks+0x130/0x130 [ 246.355807] ? mark_held_locks+0xc7/0x130 [ 246.359956] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 246.364970] ? graph_lock+0x170/0x170 [ 246.368774] ? print_usage_bug+0xc0/0xc0 [ 246.372838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.378377] ? check_preemption_disabled+0x48/0x200 [ 246.383391] ? check_preemption_disabled+0x48/0x200 [ 246.388429] ? __lock_is_held+0xb5/0x140 [ 246.392497] __alloc_pages_nodemask+0xa80/0xde0 [ 246.397168] ? graph_lock+0x170/0x170 [ 246.400973] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.405986] ? graph_lock+0x170/0x170 [ 246.409796] ? find_held_lock+0x36/0x1c0 [ 246.413872] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.418548] ? lock_downgrade+0x900/0x900 [ 246.422706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.428253] cache_grow_begin+0x91/0x8c0 [ 246.432314] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.436735] fallback_alloc+0x203/0x2e0 [ 246.440716] ____cache_alloc_node+0x1c7/0x1e0 [ 246.445216] kmem_cache_alloc_node+0xe3/0x730 [ 246.449712] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.453960] __alloc_skb+0x119/0x770 [ 246.457675] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.462953] ? skb_scrub_packet+0x490/0x490 [ 246.467274] ? lock_downgrade+0x900/0x900 [ 246.471437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.476974] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.482436] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.487885] ? addrconf_rs_timer+0x690/0x690 [ 246.492316] ndisc_alloc_skb+0x144/0x340 [ 246.496387] ndisc_send_rs+0x331/0x6e0 [ 246.500288] addrconf_rs_timer+0x314/0x690 [ 246.504531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.508779] call_timer_fn+0x272/0x920 [ 246.512666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.516908] ? process_timeout+0x40/0x40 [ 246.520973] ? find_held_lock+0x36/0x1c0 [ 246.525042] ? __run_timers+0x7da/0xc70 [ 246.529017] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.533512] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.538006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.542238] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.546825] ? trace_hardirqs_on+0xbd/0x310 [ 246.551143] ? kasan_check_read+0x11/0x20 [ 246.555290] ? __run_timers+0x7da/0xc70 [ 246.559272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.564728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.568972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.573210] __run_timers+0x7e5/0xc70 [ 246.577024] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.582391] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.587410] ? graph_lock+0x170/0x170 [ 246.591220] ? enqueue_hrtimer+0x1a5/0x560 [ 246.595454] ? lock_release+0x970/0x970 [ 246.599438] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.604634] ? find_held_lock+0x36/0x1c0 [ 246.608700] ? graph_lock+0x170/0x170 [ 246.612501] ? pvclock_read_flags+0x160/0x160 [ 246.616998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.622539] ? check_preemption_disabled+0x48/0x200 [ 246.627565] ? __lock_is_held+0xb5/0x140 [ 246.631627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.637167] ? check_preemption_disabled+0x48/0x200 [ 246.642190] run_timer_softirq+0x52/0xb0 [ 246.646263] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.651296] __do_softirq+0x30b/0xad8 [ 246.655109] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.660215] ? pvclock_read_flags+0x160/0x160 [ 246.664708] ? lapic_next_event+0x5a/0x90 [ 246.668858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.674397] ? check_preemption_disabled+0x48/0x200 [ 246.679420] ? check_preemption_disabled+0x48/0x200 [ 246.684448] ? kvm_clock_read+0x18/0x30 [ 246.688426] ? kvm_sched_clock_read+0x9/0x20 [ 246.692843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.698385] ? check_preemption_disabled+0x48/0x200 [ 246.703426] irq_exit+0x17f/0x1c0 [ 246.706880] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.711728] ? smp_reschedule_interrupt+0x109/0x650 [ 246.716748] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.722636] ? interrupt_entry+0xb5/0xf0 [ 246.726697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.731710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.736726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.741569] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.746589] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.751609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.757151] ? check_preemption_disabled+0x48/0x200 [ 246.762166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.767713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.772568] apic_timer_interrupt+0xf/0x20 [ 246.776793] [ 246.779033] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 246.783964] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 246.802865] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.810592] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.817860] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 246.825127] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 246.832393] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 246.839706] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 246.847018] skb_clone+0x1bb/0x500 [ 246.850560] ? finish_task_switch+0x1b5/0x900 [ 246.855054] ? skb_split+0x11e0/0x11e0 [ 246.858951] ? preempt_notifier_register+0x200/0x200 [ 246.864051] ? __switch_to_asm+0x34/0x70 [ 246.868111] ? __switch_to_asm+0x34/0x70 [ 246.872171] ? __switch_to_asm+0x40/0x70 [ 246.876226] ? __switch_to_asm+0x34/0x70 [ 246.880283] ? __switch_to_asm+0x40/0x70 [ 246.884339] ? __switch_to_asm+0x34/0x70 [ 246.888395] ? __switch_to_asm+0x40/0x70 [ 246.892462] ? __switch_to_asm+0x34/0x70 [ 246.896526] ? __switch_to_asm+0x34/0x70 [ 246.900593] ? __switch_to_asm+0x40/0x70 [ 246.904649] ? __switch_to_asm+0x34/0x70 [ 246.908719] bpf_clone_redirect+0xb9/0x490 [ 246.912960] ? __schedule+0x874/0x1ed0 [ 246.916858] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 246.921876] ? __sched_text_start+0x8/0x8 [ 246.926049] ? find_held_lock+0x36/0x1c0 [ 246.930121] ? lock_acquire+0x1ed/0x520 [ 246.934095] ? bpf_test_run+0x32e/0x5a0 [ 246.938069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.943607] ? check_preemption_disabled+0x48/0x200 [ 246.948630] ? kasan_check_read+0x11/0x20 [ 246.952778] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.958055] ? rcu_bh_qs+0xc0/0xc0 [ 246.961599] ? preempt_schedule+0x4d/0x60 [ 246.965751] ? ___preempt_schedule+0x16/0x18 [ 246.970168] ? bpf_test_run+0x1c0/0x5a0 [ 246.974156] ? netlink_diag_dump+0x2a0/0x2a0 [ 246.978572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.984106] ? bpf_test_init.isra.9+0x70/0x100 [ 246.988694] ? bpf_prog_test_run_skb+0x634/0xb40 [ 246.993462] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.998304] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.003842] ? fput+0x130/0x1a0 [ 247.007125] ? __bpf_prog_get+0x9b/0x290 [ 247.011186] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.016025] ? bpf_prog_test_run+0x130/0x1a0 [ 247.020440] ? __x64_sys_bpf+0x3d8/0x510 [ 247.024506] ? bpf_prog_get+0x20/0x20 [ 247.028327] ? do_syscall_64+0x1b9/0x820 [ 247.032389] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.037762] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.042697] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.047713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.052728] ? recalc_sigpending_tsk+0x180/0x180 [ 247.057486] ? kasan_check_write+0x14/0x20 [ 247.061726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.066581] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.071966] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 247.071971] warn_alloc_show_mem: 1 callbacks suppressed [ 247.071978] Mem-Info: [ 247.078900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.084275] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 247.084275] active_file:13 inactive_file:13 isolated_file:1 [ 247.084275] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.084275] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 247.084275] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 247.084275] free:13741 free_pcp:221 free_cma:0 [ 247.086647] Call Trace: [ 247.096035] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.129051] [ 247.131624] Node 0 [ 247.159475] dump_stack+0x1c4/0x2b4 [ 247.161620] 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 [ 247.163827] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.167422] lowmem_reserve[]: 0 [ 247.192952] warn_alloc.cold.119+0xb7/0x1bd [ 247.198111] 2819 6323 [ 247.201392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.205695] 6323 [ 247.208188] ? lock_downgrade+0x900/0x900 [ 247.215094] ? trace_hardirqs_off+0xb8/0x310 [ 247.219214] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 247.223646] ? trace_hardirqs_off+0xb8/0x310 [ 247.223669] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.251302] lowmem_reserve[]: 0 [ 247.255735] ? warn_alloc+0x120/0x120 [ 247.260521] 0 3503 [ 247.263804] ? lock_release+0x970/0x970 [ 247.267580] 3503 [ 247.269810] ? warn_alloc+0x120/0x120 [ 247.275816] ? print_usage_bug+0xc0/0xc0 [ 247.279593] Node 0 [ 247.283643] ? warn_alloc+0x120/0x120 [ 247.283674] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 247.283681] lowmem_reserve[]: [ 247.285924] ? print_usage_bug+0xc0/0xc0 [ 247.289695] 0 [ 247.318609] ? __lock_acquire+0x7ec/0x4ec0 [ 247.321696] 0 [ 247.325752] ? __lock_acquire+0x7ec/0x4ec0 [ 247.327526] 0 0 [ 247.331765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.337766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.339727] Node 0 [ 247.345257] ? should_fail+0x22d/0xd01 [ 247.350764] DMA: 1*4kB [ 247.353009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.356870] (U) [ 247.359446] ? __lock_acquire+0x7ec/0x4ec0 [ 247.364526] 0*8kB [ 247.366500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.370709] 0*16kB [ 247.372850] ? __lock_acquire+0x7ec/0x4ec0 [ 247.378005] 1*32kB [ 247.380243] ? should_fail+0x22d/0xd01 [ 247.384453] (U) [ 247.386689] ? mark_held_locks+0x130/0x130 [ 247.390540] 2*64kB (U) [ 247.392518] ? mark_held_locks+0x130/0x130 [ 247.396722] 1*128kB (U) [ 247.399308] ? graph_lock+0x170/0x170 [ 247.403515] 1*256kB (U) [ 247.406185] ? print_usage_bug+0xc0/0xc0 [ 247.409960] 0*512kB 1*1024kB [ 247.412635] ? graph_lock+0x170/0x170 [ 247.416672] (U) [ 247.419772] ? print_usage_bug+0xc0/0xc0 [ 247.423542] 1*2048kB (M) [ 247.425519] ? wq_watchdog_touch+0x9c/0xfe [ 247.429553] 3*4096kB [ 247.432304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.436550] (M) [ 247.439080] ? check_preemption_disabled+0x48/0x200 [ 247.439089] ? check_preemption_disabled+0x48/0x200 [ 247.439102] ? __lock_is_held+0xb5/0x140 [ 247.439115] __alloc_pages_nodemask+0xa80/0xde0 [ 247.439123] ? graph_lock+0x170/0x170 [ 247.439133] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.439140] ? graph_lock+0x170/0x170 [ 247.439153] ? find_held_lock+0x36/0x1c0 [ 247.439177] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.439185] ? lock_downgrade+0x900/0x900 [ 247.439197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.439208] cache_grow_begin+0x91/0x8c0 [ 247.439216] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.439228] fallback_alloc+0x203/0x2e0 [ 247.439240] ____cache_alloc_node+0x1c7/0x1e0 [ 247.439251] kmem_cache_alloc_node+0xe3/0x730 [ 247.439270] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.439283] __alloc_skb+0x119/0x770 [ 247.439292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.439301] ? skb_scrub_packet+0x490/0x490 [ 247.439309] ? lock_downgrade+0x900/0x900 [ 247.439320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.439328] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.439338] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.439347] ? addrconf_rs_timer+0x690/0x690 [ 247.439361] ndisc_alloc_skb+0x144/0x340 [ 247.439372] ndisc_send_rs+0x331/0x6e0 [ 247.439383] addrconf_rs_timer+0x314/0x690 [ 247.439394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.439408] call_timer_fn+0x272/0x920 [ 247.439418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.439433] ? process_timeout+0x40/0x40 [ 247.439448] ? find_held_lock+0x36/0x1c0 [ 247.444971] = 15908kB [ 247.446949] ? mark_held_locks+0xc7/0x130 [ 247.451935] Node 0 [ 247.456955] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.460994] DMA32: 5*4kB [ 247.465665] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.469440] (UM) [ 247.474454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.478226] 0*8kB [ 247.482276] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.486919] 3*16kB (UM) [ 247.491070] ? trace_hardirqs_on+0xbd/0x310 [ 247.496583] 2*32kB [ 247.500636] ? kasan_check_read+0x11/0x20 [ 247.505021] (M) [ 247.508998] ? __run_timers+0x7da/0xc70 [ 247.513466] 5*64kB [ 247.517955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.522160] (UM) [ 247.525868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.531119] 3*128kB [ 247.535437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.539560] (M) [ 247.545090] __run_timers+0x7e5/0xc70 [ 247.550512] 3*256kB [ 247.555973] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.560349] (M) [ 247.564406] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.568269] 4*512kB [ 247.572498] ? graph_lock+0x170/0x170 [ 247.576702] (UM) 3*1024kB [ 247.580609] ? print_usage_bug+0xc0/0xc0 [ 247.584814] (UM) [ 247.588872] ? lock_release+0x970/0x970 [ 247.592920] 1*2048kB [ 247.595326] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.599440] (M) 4*4096kB [ 247.601679] ? find_held_lock+0x36/0x1c0 [ 247.606148] (M) [ 247.608909] ? graph_lock+0x170/0x170 [ 247.613382] = 25156kB [ 247.615443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.619648] Node 0 [ 247.621795] ? check_preemption_disabled+0x48/0x200 [ 247.626359] Normal: [ 247.629037] ? __lock_is_held+0xb5/0x140 [ 247.633325] 1005*4kB [ 247.635566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.639686] (MEH) [ 247.641664] ? check_preemption_disabled+0x48/0x200 [ 247.645610] 451*8kB [ 247.647851] run_timer_softirq+0x52/0xb0 [ 247.653273] (ME) [ 247.655340] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.659540] 184*16kB (UME) [ 247.661885] __do_softirq+0x30b/0xad8 [ 247.666095] 94*32kB [ 247.668084] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.671839] (UME) 5*64kB [ 247.674177] ? pvclock_read_flags+0x160/0x160 [ 247.679540] (UM) [ 247.681523] ? lapic_next_event+0x5a/0x90 [ 247.686509] 0*128kB 0*256kB [ 247.688844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.692644] 0*512kB [ 247.695494] ? check_preemption_disabled+0x48/0x200 [ 247.699521] 0*1024kB [ 247.701582] ? check_preemption_disabled+0x48/0x200 [ 247.705530] 0*2048kB [ 247.707952] ? kvm_clock_read+0x18/0x30 [ 247.713104] 0*4096kB = 13900kB [ 247.715865] ? kvm_sched_clock_read+0x9/0x20 [ 247.719917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.721884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.725664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 247.728076] ? check_preemption_disabled+0x48/0x200 [ 247.733583] 4241 total pagecache pages [ 247.735826] irq_exit+0x17f/0x1c0 [ 247.740810] 0 pages in swap cache [ 247.743128] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.747156] Swap cache stats: add 0, delete 0, find 0/0 [ 247.747164] Free swap = 0kB [ 247.749572] ? smp_reschedule_interrupt+0x109/0x650 [ 247.755081] Total swap = 0kB [ 247.757225] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.762211] 1965979 pages RAM [ 247.764528] ? interrupt_entry+0xb5/0xf0 [ 247.768556] 0 pages HighMem/MovableOnly [ 247.768564] 342307 pages reserved [ 247.770625] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.775605] 0 pages cma reserved [ 247.775693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.778546] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.778565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.782442] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.784662] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.789743] syz-executor5 cpuset= [ 247.792498] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.796971] syz5 [ 247.799033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.803159] mems_allowed=0 [ 247.806170] ? check_preemption_disabled+0x48/0x200 [ 247.984518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.990077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.994957] apic_timer_interrupt+0xf/0x20 [ 247.999200] [ 248.001452] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 248.006479] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 248.025393] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 248.033122] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 248.040398] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 248.047679] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 248.054948] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 248.062217] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 248.069510] ? list_lru_count_one+0x36d/0x450 [ 248.074010] ? list_lru_count_one+0x260/0x450 [ 248.078523] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.084324] ? kasan_check_read+0x11/0x20 [ 248.088477] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.093757] ? rcu_bh_qs+0xc0/0xc0 [ 248.097316] list_lru_count_one+0x265/0x450 [ 248.101642] ? list_lru_add+0x980/0x980 [ 248.105624] ? deferred_split_count+0x65/0x170 [ 248.110205] ? shrink_huge_zero_page_count+0xc8/0x100 [ 248.115406] super_cache_count+0x153/0x2e0 [ 248.119648] do_shrink_slab+0x1a7/0xd20 [ 248.123633] ? lock_release+0x970/0x970 [ 248.127612] ? snapshot_refaults+0x290/0x290 [ 248.132034] ? ___might_sleep+0x1ed/0x300 [ 248.136191] ? down_read_trylock+0xff/0x1e0 [ 248.140512] ? shrink_slab+0x207/0x8c0 [ 248.144403] ? downgrade_write+0x2b0/0x2b0 [ 248.148643] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.154181] ? shrink_node_memcg+0xc82/0x18e0 [ 248.158692] shrink_slab+0x389/0x8c0 [ 248.162412] ? shrink_active_list+0x1c20/0x1c20 [ 248.167092] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 248.172723] ? kasan_check_read+0x11/0x20 [ 248.176877] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.181303] ? ___preempt_schedule+0x16/0x18 [ 248.185722] ? _raw_spin_unlock+0x3f/0x50 [ 248.189881] shrink_node+0x431/0x16b0 [ 248.193700] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 248.199010] ? shrink_node_memcg+0x18e0/0x18e0 [ 248.203593] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.208181] ? trace_hardirqs_on+0xbd/0x310 [ 248.212503] ? vmpressure+0x271/0x340 [ 248.216315] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 248.220921] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.226461] ? __cpuset_node_allowed+0x19b/0x660 [ 248.231219] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 248.236941] ? vmpressure+0x1a2/0x340 [ 248.240756] do_try_to_free_pages+0x3e7/0x1290 [ 248.245358] ? shrink_node+0x16b0/0x16b0 [ 248.249421] ? __lock_is_held+0xb5/0x140 [ 248.253499] try_to_free_pages+0x4d0/0xb90 [ 248.257751] ? do_try_to_free_pages+0x1290/0x1290 [ 248.262597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.268154] ? lock_acquire+0x1ed/0x520 [ 248.272132] ? set_page_refcounted+0x280/0x280 [ 248.276725] ? lock_release+0x970/0x970 [ 248.280710] ? ___might_sleep+0x1ed/0x300 [ 248.284872] ? arch_local_save_flags+0x40/0x40 [ 248.289491] __alloc_pages_slowpath+0x993/0x2d80 [ 248.294297] ? warn_alloc+0x120/0x120 [ 248.298122] ? __radix_tree_lookup+0x4c0/0x4c0 [ 248.302739] ? find_get_entry+0x2f2/0xc40 [ 248.306931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.312506] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 248.317467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.323018] ? should_fail+0x22d/0xd01 [ 248.326927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.332063] ? __lock_is_held+0xb5/0x140 [ 248.336178] ? __lock_is_held+0xb5/0x140 [ 248.340262] ? __lock_acquire+0x7ec/0x4ec0 [ 248.344515] ? ___might_sleep+0x1ed/0x300 [ 248.348672] ? lock_release+0x970/0x970 [ 248.352658] ? arch_local_save_flags+0x40/0x40 [ 248.357263] ? __might_sleep+0x95/0x190 [ 248.361254] __alloc_pages_nodemask+0xa80/0xde0 [ 248.365954] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.370986] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.376799] ? kasan_check_read+0x11/0x20 [ 248.380963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.386250] ? graph_lock+0x170/0x170 [ 248.390058] ? print_usage_bug+0xc0/0xc0 [ 248.394126] ? graph_lock+0x170/0x170 [ 248.397939] ? graph_lock+0x170/0x170 [ 248.401742] ? __do_page_cache_readahead+0x7ce/0x980 [ 248.406854] ? find_held_lock+0x36/0x1c0 [ 248.410935] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 248.416483] alloc_pages_current+0x10c/0x210 [ 248.420895] ? lock_downgrade+0x900/0x900 [ 248.425068] __page_cache_alloc+0x38f/0x5b0 [ 248.429398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.435195] ? kasan_check_read+0x11/0x20 [ 248.439346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.444627] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 248.449300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.454840] ? check_preemption_disabled+0x48/0x200 [ 248.459870] filemap_fault+0x1594/0x25f0 [ 248.463974] ? __lock_page_or_retry+0xa00/0xa00 [ 248.468645] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.474442] ? kasan_check_read+0x11/0x20 [ 248.478605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.483880] ? ep_scan_ready_list+0xbeb/0x1050 [ 248.488488] ? rcu_bh_qs+0xc0/0xc0 [ 248.492033] ? lock_downgrade+0x900/0x900 [ 248.496188] ? graph_lock+0x170/0x170 [ 248.500000] ? filemap_map_pages+0xdea/0x1980 [ 248.504525] ? find_get_pages_range_tag+0x1320/0x1320 [ 248.509728] ? wait_for_completion+0x8a0/0x8a0 [ 248.514322] ? graph_lock+0x170/0x170 [ 248.518137] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.522728] ? kasan_check_read+0x11/0x20 [ 248.526887] ? ep_scan_ready_list+0xbc7/0x1050 [ 248.531495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.536977] ? lock_acquire+0x1ed/0x520 [ 248.540973] ? ext4_filemap_fault+0x7a/0xad [ 248.545310] ? lock_release+0x970/0x970 [ 248.549294] ? arch_local_save_flags+0x40/0x40 [ 248.553925] ? ep_poll_callback+0x10e0/0x10e0 [ 248.558448] ? down_read+0xb0/0x1d0 [ 248.562127] ? ext4_filemap_fault+0x7a/0xad [ 248.566457] ? __down_interruptible+0x700/0x700 [ 248.571150] ? get_futex_key+0x21b0/0x21b0 [ 248.575413] ext4_filemap_fault+0x82/0xad [ 248.579576] __do_fault+0x100/0x6b0 [ 248.583212] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.587727] ? print_bad_pte+0x6c0/0x6c0 [ 248.591806] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.596398] ? trace_hardirqs_on+0xbd/0x310 [ 248.600724] ? kasan_check_read+0x11/0x20 [ 248.604882] ? pmd_val+0x88/0x100 [ 248.608365] ? add_mm_counter_fast+0xd0/0xd0 [ 248.612778] ? pmd_val+0x88/0x100 [ 248.616240] ? add_mm_counter_fast+0xd0/0xd0 [ 248.620664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.626220] __handle_mm_fault+0x3709/0x53e0 [ 248.630653] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 248.635498] ? graph_lock+0x170/0x170 [ 248.639299] ? print_usage_bug+0xc0/0xc0 [ 248.643364] ? rcu_bh_qs+0xc0/0xc0 [ 248.646920] ? graph_lock+0x170/0x170 [ 248.650719] ? graph_lock+0x170/0x170 [ 248.654544] ? handle_mm_fault+0x42a/0xc70 [ 248.658778] ? lock_downgrade+0x900/0x900 [ 248.662939] ? check_preemption_disabled+0x48/0x200 [ 248.667964] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 248.673759] ? kasan_check_read+0x11/0x20 [ 248.677932] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.683228] ? rcu_bh_qs+0xc0/0xc0 [ 248.686767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.692218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.697757] ? check_preemption_disabled+0x48/0x200 [ 248.702789] handle_mm_fault+0x54f/0xc70 [ 248.706858] ? __handle_mm_fault+0x53e0/0x53e0 [ 248.711451] ? find_vma+0x34/0x190 [ 248.714998] __do_page_fault+0x67d/0xed0 [ 248.719070] ? mm_fault_error+0x380/0x380 [ 248.723218] ? trace_hardirqs_off+0xb8/0x310 [ 248.727631] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.732998] ? trace_hardirqs_on+0x310/0x310 [ 248.737415] do_page_fault+0xf2/0x7e0 [ 248.741222] ? vmalloc_sync_all+0x30/0x30 [ 248.745376] ? error_entry+0x70/0xd0 [ 248.749089] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.754105] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.759060] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.763988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.768836] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.773852] ? trace_hardirqs_off+0x310/0x310 [ 248.778353] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.783368] ? page_fault+0x8/0x30 [ 248.786948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.791794] ? page_fault+0x8/0x30 [ 248.795339] page_fault+0x1e/0x30 [ 248.798789] RIP: 0033:0x45df89 [ 248.801986] Code: Bad RIP value. [ 248.805346] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 248.810741] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 248.818012] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 248.825281] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 248.832551] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 248.839817] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 248.847114] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 248.847180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.854299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.854304] Call Trace: [ 248.854310] [ 248.854330] dump_stack+0x1c4/0x2b4 [ 248.854348] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.860925] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.870176] warn_alloc.cold.119+0xb7/0x1bd [ 248.872732] syz-fuzzer cpuset= [ 248.874878] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.878483] / [ 248.883670] ? lock_downgrade+0x900/0x900 [ 248.893871] mems_allowed=0 [ 248.898184] ? trace_hardirqs_off+0xb8/0x310 [ 248.919353] ? trace_hardirqs_off+0xb8/0x310 [ 248.923774] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.928647] ? warn_alloc+0x120/0x120 [ 248.932453] ? trace_hardirqs_on+0x310/0x310 [ 248.936868] ? warn_alloc+0x120/0x120 [ 248.940673] ? print_usage_bug+0xc0/0xc0 [ 248.944741] ? warn_alloc+0x120/0x120 [ 248.948540] ? ktime_get+0x2e1/0x440 [ 248.952252] ? print_usage_bug+0xc0/0xc0 [ 248.956314] ? __lock_acquire+0x7ec/0x4ec0 [ 248.960547] ? __lock_acquire+0x7ec/0x4ec0 [ 248.964781] ? kasan_check_read+0x11/0x20 [ 248.968935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.974472] ? should_fail+0x22d/0xd01 [ 248.978358] ? rcu_bh_qs+0xc0/0xc0 [ 248.981909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.987011] ? __lock_acquire+0x7ec/0x4ec0 [ 248.991251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.996350] ? __lock_acquire+0x7ec/0x4ec0 [ 249.000582] ? should_fail+0x22d/0xd01 [ 249.004471] ? rcu_idle_enter+0x4b0/0x4b0 [ 249.008629] ? mark_held_locks+0x130/0x130 [ 249.012868] ? mark_held_locks+0x130/0x130 [ 249.017118] ? mark_held_locks+0xc7/0x130 [ 249.021267] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 249.026285] ? graph_lock+0x170/0x170 [ 249.030084] ? print_usage_bug+0xc0/0xc0 [ 249.034146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.039689] ? check_preemption_disabled+0x48/0x200 [ 249.044708] ? check_preemption_disabled+0x48/0x200 [ 249.049751] ? __lock_is_held+0xb5/0x140 [ 249.053818] __alloc_pages_nodemask+0xa80/0xde0 [ 249.058490] ? graph_lock+0x170/0x170 [ 249.062296] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.067308] ? graph_lock+0x170/0x170 [ 249.071118] ? find_held_lock+0x36/0x1c0 [ 249.075193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.079864] ? lock_downgrade+0x900/0x900 [ 249.084018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.089561] cache_grow_begin+0x91/0x8c0 [ 249.093622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.098039] fallback_alloc+0x203/0x2e0 [ 249.102025] ____cache_alloc_node+0x1c7/0x1e0 [ 249.106530] kmem_cache_alloc_node+0xe3/0x730 [ 249.111027] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.115275] __alloc_skb+0x119/0x770 [ 249.118990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.124276] ? skb_scrub_packet+0x490/0x490 [ 249.128629] ? lock_downgrade+0x900/0x900 [ 249.132799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.138350] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.143806] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.149257] ? addrconf_rs_timer+0x690/0x690 [ 249.153677] ndisc_alloc_skb+0x144/0x340 [ 249.157748] ndisc_send_rs+0x331/0x6e0 [ 249.161645] addrconf_rs_timer+0x314/0x690 [ 249.165885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.170141] call_timer_fn+0x272/0x920 [ 249.174036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.178276] ? process_timeout+0x40/0x40 [ 249.182334] ? find_held_lock+0x36/0x1c0 [ 249.186406] ? __run_timers+0x7da/0xc70 [ 249.190387] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.194887] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.199388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.203641] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.208223] ? trace_hardirqs_on+0xbd/0x310 [ 249.212544] ? kasan_check_read+0x11/0x20 [ 249.216695] ? __run_timers+0x7da/0xc70 [ 249.220671] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.226126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.230367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.234600] __run_timers+0x7e5/0xc70 [ 249.238419] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.243789] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.248808] ? graph_lock+0x170/0x170 [ 249.252615] ? enqueue_hrtimer+0x1a5/0x560 [ 249.256848] ? lock_release+0x970/0x970 [ 249.260826] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.266026] ? find_held_lock+0x36/0x1c0 [ 249.270091] ? graph_lock+0x170/0x170 [ 249.273891] ? pvclock_read_flags+0x160/0x160 [ 249.278395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.283945] ? check_preemption_disabled+0x48/0x200 [ 249.288975] ? __lock_is_held+0xb5/0x140 [ 249.293038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.298577] ? check_preemption_disabled+0x48/0x200 [ 249.303603] run_timer_softirq+0x52/0xb0 [ 249.307885] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.312925] __do_softirq+0x30b/0xad8 [ 249.316739] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.321845] ? pvclock_read_flags+0x160/0x160 [ 249.326340] ? lapic_next_event+0x5a/0x90 [ 249.330492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.336030] ? check_preemption_disabled+0x48/0x200 [ 249.341047] ? check_preemption_disabled+0x48/0x200 [ 249.346072] ? kvm_clock_read+0x18/0x30 [ 249.350049] ? kvm_sched_clock_read+0x9/0x20 [ 249.354462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.360002] ? check_preemption_disabled+0x48/0x200 [ 249.365034] irq_exit+0x17f/0x1c0 [ 249.368504] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.373351] ? smp_reschedule_interrupt+0x109/0x650 [ 249.378370] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.384258] ? interrupt_entry+0xb5/0xf0 [ 249.388320] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.393338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.398359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.403206] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.408224] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.413243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.418780] ? check_preemption_disabled+0x48/0x200 [ 249.423798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.429357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.434211] apic_timer_interrupt+0xf/0x20 [ 249.438763] [ 249.441011] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.445940] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 249.464841] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 249.472553] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.479817] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 249.487086] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 249.494350] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.501616] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.508942] skb_clone+0x1bb/0x500 [ 249.512488] ? finish_task_switch+0x1b5/0x900 [ 249.516985] ? skb_split+0x11e0/0x11e0 [ 249.520874] ? preempt_notifier_register+0x200/0x200 [ 249.525983] ? __switch_to_asm+0x34/0x70 [ 249.530044] ? __switch_to_asm+0x34/0x70 [ 249.534101] ? __switch_to_asm+0x40/0x70 [ 249.538161] ? __switch_to_asm+0x34/0x70 [ 249.542233] ? __switch_to_asm+0x40/0x70 [ 249.546295] ? __switch_to_asm+0x34/0x70 [ 249.550353] ? __switch_to_asm+0x40/0x70 [ 249.554425] ? __switch_to_asm+0x34/0x70 [ 249.558494] ? __switch_to_asm+0x34/0x70 [ 249.562551] ? __switch_to_asm+0x40/0x70 [ 249.566609] ? __switch_to_asm+0x34/0x70 [ 249.570694] bpf_clone_redirect+0xb9/0x490 [ 249.574939] ? __schedule+0x874/0x1ed0 [ 249.578836] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 249.583859] ? __sched_text_start+0x8/0x8 [ 249.588065] ? find_held_lock+0x36/0x1c0 [ 249.592135] ? lock_acquire+0x1ed/0x520 [ 249.596113] ? bpf_test_run+0x32e/0x5a0 [ 249.600087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.605626] ? check_preemption_disabled+0x48/0x200 [ 249.610645] ? kasan_check_read+0x11/0x20 [ 249.614797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.620074] ? rcu_bh_qs+0xc0/0xc0 [ 249.623617] ? preempt_schedule+0x4d/0x60 [ 249.627767] ? ___preempt_schedule+0x16/0x18 [ 249.632181] ? bpf_test_run+0x1c0/0x5a0 [ 249.636171] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.640584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.646122] ? bpf_test_init.isra.9+0x70/0x100 [ 249.650710] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.655472] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.660312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.665848] ? fput+0x130/0x1a0 [ 249.669220] ? __bpf_prog_get+0x9b/0x290 [ 249.673286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.678127] ? bpf_prog_test_run+0x130/0x1a0 [ 249.682547] ? __x64_sys_bpf+0x3d8/0x510 [ 249.686611] ? bpf_prog_get+0x20/0x20 [ 249.690437] ? do_syscall_64+0x1b9/0x820 [ 249.694502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.699865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.704799] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.709818] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.714834] ? recalc_sigpending_tsk+0x180/0x180 [ 249.719591] ? kasan_check_write+0x14/0x20 [ 249.723834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.728684] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.734068] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 249.734073] warn_alloc_show_mem: 1 callbacks suppressed [ 249.734081] Mem-Info: [ 249.741006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.746376] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 249.746376] active_file:13 inactive_file:13 isolated_file:1 [ 249.746376] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.746376] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 249.746376] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 249.746376] free:13741 free_pcp:221 free_cma:0 [ 249.748748] Call Trace: [ 249.758137] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.791150] [ 249.793723] Node 0 [ 249.821561] dump_stack+0x1c4/0x2b4 [ 249.823709] 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 [ 249.825930] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.829525] lowmem_reserve[]: [ 249.855026] warn_alloc.cold.119+0xb7/0x1bd [ 249.860181] 0 [ 249.863282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.867579] 2819 [ 249.869376] ? lock_downgrade+0x900/0x900 [ 249.874189] 6323 [ 249.876253] ? trace_hardirqs_off+0xb8/0x310 [ 249.880368] 6323 [ 249.882434] ? trace_hardirqs_off+0xb8/0x310 [ 249.888874] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.893250] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.898114] ? warn_alloc+0x120/0x120 [ 249.898131] ? trace_hardirqs_on+0x310/0x310 [ 249.925779] lowmem_reserve[]: [ 249.929575] ? warn_alloc+0x120/0x120 [ 249.933960] 0 [ 249.937060] ? print_usage_bug+0xc0/0xc0 [ 249.940828] 0 3503 [ 249.942629] ? warn_alloc+0x120/0x120 [ 249.946662] 3503 [ 249.948891] ? ktime_get+0x2e1/0x440 [ 249.954731] ? print_usage_bug+0xc0/0xc0 [ 249.958425] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 249.962502] ? __lock_acquire+0x7ec/0x4ec0 [ 249.962518] ? __lock_acquire+0x7ec/0x4ec0 [ 249.991551] lowmem_reserve[]: 0 [ 249.995796] ? kasan_check_read+0x11/0x20 [ 250.000020] 0 [ 250.003297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.007419] 0 0 [ 250.009229] ? should_fail+0x22d/0xd01 [ 250.014757] Node 0 [ 250.016750] ? rcu_bh_qs+0xc0/0xc0 [ 250.020624] DMA: [ 250.022870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.026384] 1*4kB [ 250.028441] ? __lock_acquire+0x7ec/0x4ec0 [ 250.033521] (U) [ 250.035670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.039871] 0*8kB 0*16kB [ 250.041853] ? __lock_acquire+0x7ec/0x4ec0 [ 250.046935] 1*32kB [ 250.049683] ? should_fail+0x22d/0xd01 [ 250.053890] (U) [ 250.056143] ? rcu_idle_enter+0x4b0/0x4b0 [ 250.059999] 2*64kB (U) [ 250.061981] ? mark_held_locks+0x130/0x130 [ 250.066101] 1*128kB [ 250.068678] ? mark_held_locks+0x130/0x130 [ 250.072891] (U) [ 250.075227] ? mark_held_locks+0xc7/0x130 [ 250.079432] 1*256kB (U) [ 250.081416] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 250.085541] 0*512kB [ 250.088234] ? graph_lock+0x170/0x170 [ 250.093229] 1*1024kB [ 250.095545] ? print_usage_bug+0xc0/0xc0 [ 250.099318] (U) [ 250.101733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.105773] 1*2048kB [ 250.107745] ? check_preemption_disabled+0x48/0x200 [ 250.113250] (M) [ 250.115654] ? check_preemption_disabled+0x48/0x200 [ 250.120640] 3*4096kB (M) [ 250.122625] ? __lock_is_held+0xb5/0x140 [ 250.127603] = 15908kB [ 250.127612] Node 0 [ 250.130364] __alloc_pages_nodemask+0xa80/0xde0 [ 250.134394] DMA32: [ 250.136798] ? graph_lock+0x170/0x170 [ 250.139010] 5*4kB [ 250.143670] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.145880] (UM) [ 250.149680] ? graph_lock+0x170/0x170 [ 250.151806] 0*8kB [ 250.156823] ? find_held_lock+0x36/0x1c0 [ 250.158854] 3*16kB [ 250.162653] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.164774] (UM) [ 250.168826] ? lock_downgrade+0x900/0x900 [ 250.171043] 2*32kB [ 250.175709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.177740] (M) [ 250.181881] cache_grow_begin+0x91/0x8c0 [ 250.184091] 5*64kB [ 250.189619] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.191571] (UM) [ 250.195631] fallback_alloc+0x203/0x2e0 [ 250.197833] 3*128kB (M) [ 250.202247] ____cache_alloc_node+0x1c7/0x1e0 [ 250.204283] 3*256kB [ 250.208252] kmem_cache_alloc_node+0xe3/0x730 [ 250.210899] (M) [ 250.215410] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.217719] 4*512kB [ 250.222213] __alloc_skb+0x119/0x770 [ 250.224161] (UM) [ 250.228392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.230683] 3*1024kB (UM) [ 250.234400] ? skb_scrub_packet+0x490/0x490 [ 250.236438] 1*2048kB (M) [ 250.241713] ? lock_downgrade+0x900/0x900 [ 250.244535] 4*4096kB [ 250.248853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.251584] (M) [ 250.255729] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.258113] = 25156kB [ 250.263642] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.265597] Node 0 [ 250.271041] ? addrconf_rs_timer+0x690/0x690 [ 250.273427] Normal: [ 250.278877] ndisc_alloc_skb+0x144/0x340 [ 250.281082] 1005*4kB [ 250.285481] ndisc_send_rs+0x331/0x6e0 [ 250.287794] (MEH) [ 250.291853] addrconf_rs_timer+0x314/0x690 [ 250.294237] 451*8kB [ 250.298121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.300245] (ME) [ 250.304477] call_timer_fn+0x272/0x920 [ 250.306765] 184*16kB (UME) [ 250.310999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.313042] 94*32kB [ 250.316930] ? process_timeout+0x40/0x40 [ 250.319832] (UME) [ 250.324062] ? find_held_lock+0x36/0x1c0 [ 250.326360] 5*64kB [ 250.330414] ? mark_held_locks+0xc7/0x130 [ 250.332543] (UM) [ 250.336596] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.338806] 0*128kB 0*256kB [ 250.342956] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.344997] 0*512kB [ 250.349498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.352494] 0*1024kB [ 250.356984] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.359278] 0*2048kB 0*4096kB [ 250.363513] ? trace_hardirqs_on+0xbd/0x310 [ 250.365924] = 13900kB [ 250.370501] ? kasan_check_read+0x11/0x20 [ 250.373677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.377989] ? __run_timers+0x7da/0xc70 [ 250.380380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.384515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.393322] 4241 total pagecache pages [ 250.397287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.405855] 0 pages in swap cache [ 250.411295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.415157] Swap cache stats: add 0, delete 0, find 0/0 [ 250.415166] Free swap = 0kB [ 250.419391] __run_timers+0x7e5/0xc70 [ 250.422831] Total swap = 0kB [ 250.427072] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.432402] 1965979 pages RAM [ 250.435413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.439188] 0 pages HighMem/MovableOnly [ 250.439196] 342307 pages reserved [ 250.442210] ? graph_lock+0x170/0x170 [ 250.447545] 0 pages cma reserved [ 250.447619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.450655] ? print_usage_bug+0xc0/0xc0 [ 250.450667] ? lock_release+0x970/0x970 [ 250.450687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.455738] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.459650] ? find_held_lock+0x36/0x1c0 [ 250.463074] syz-executor5 cpuset= [ 250.466870] ? graph_lock+0x170/0x170 [ 250.470214] syz5 [ 250.476701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.480740] mems_allowed=0 [ 250.484709] ? check_preemption_disabled+0x48/0x200 [ 250.527023] ? __lock_is_held+0xb5/0x140 [ 250.531088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.536630] ? check_preemption_disabled+0x48/0x200 [ 250.541654] run_timer_softirq+0x52/0xb0 [ 250.545714] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.550733] __do_softirq+0x30b/0xad8 [ 250.554543] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.559654] ? pvclock_read_flags+0x160/0x160 [ 250.564164] ? lapic_next_event+0x5a/0x90 [ 250.568314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.573851] ? check_preemption_disabled+0x48/0x200 [ 250.578865] ? check_preemption_disabled+0x48/0x200 [ 250.583886] ? kvm_clock_read+0x18/0x30 [ 250.587876] ? kvm_sched_clock_read+0x9/0x20 [ 250.592299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.597838] ? check_preemption_disabled+0x48/0x200 [ 250.602868] irq_exit+0x17f/0x1c0 [ 250.606324] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.611168] ? smp_reschedule_interrupt+0x109/0x650 [ 250.616186] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.622071] ? interrupt_entry+0xb5/0xf0 [ 250.626135] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.631151] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.636171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.641016] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.646028] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.651047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.656588] ? check_preemption_disabled+0x48/0x200 [ 250.661606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.667164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.672026] apic_timer_interrupt+0xf/0x20 [ 250.676251] [ 250.678492] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 250.683508] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 250.702407] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 250.710119] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 250.717383] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 250.724649] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 250.731926] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 250.739193] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 250.746478] ? list_lru_count_one+0x36d/0x450 [ 250.750974] ? list_lru_count_one+0x260/0x450 [ 250.755483] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 250.761279] ? kasan_check_read+0x11/0x20 [ 250.765425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.770705] ? rcu_bh_qs+0xc0/0xc0 [ 250.774258] list_lru_count_one+0x265/0x450 [ 250.778582] ? list_lru_add+0x980/0x980 [ 250.782557] ? deferred_split_count+0x65/0x170 [ 250.787135] ? shrink_huge_zero_page_count+0xc8/0x100 [ 250.792328] super_cache_count+0x153/0x2e0 [ 250.796572] do_shrink_slab+0x1a7/0xd20 [ 250.800557] ? lock_release+0x970/0x970 [ 250.804536] ? snapshot_refaults+0x290/0x290 [ 250.808954] ? ___might_sleep+0x1ed/0x300 [ 250.813108] ? down_read_trylock+0xff/0x1e0 [ 250.817432] ? shrink_slab+0x207/0x8c0 [ 250.821321] ? downgrade_write+0x2b0/0x2b0 [ 250.825558] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.831096] ? shrink_node_memcg+0xc82/0x18e0 [ 250.835607] shrink_slab+0x389/0x8c0 [ 250.839322] ? shrink_active_list+0x1c20/0x1c20 [ 250.844003] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 250.849647] ? kasan_check_read+0x11/0x20 [ 250.853797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.858210] ? ___preempt_schedule+0x16/0x18 [ 250.862627] ? _raw_spin_unlock+0x3f/0x50 [ 250.866786] shrink_node+0x431/0x16b0 [ 250.870587] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 250.875893] ? shrink_node_memcg+0x18e0/0x18e0 [ 250.880489] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.885072] ? trace_hardirqs_on+0xbd/0x310 [ 250.889430] ? vmpressure+0x271/0x340 [ 250.893237] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 250.897824] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.903358] ? __cpuset_node_allowed+0x19b/0x660 [ 250.908117] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 250.913830] ? vmpressure+0x1a2/0x340 [ 250.917644] do_try_to_free_pages+0x3e7/0x1290 [ 250.922246] ? shrink_node+0x16b0/0x16b0 [ 250.926310] ? __lock_is_held+0xb5/0x140 [ 250.930387] try_to_free_pages+0x4d0/0xb90 [ 250.934628] ? do_try_to_free_pages+0x1290/0x1290 [ 250.939492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.945040] ? lock_acquire+0x1ed/0x520 [ 250.949045] ? set_page_refcounted+0x280/0x280 [ 250.953676] ? lock_release+0x970/0x970 [ 250.957667] ? ___might_sleep+0x1ed/0x300 [ 250.961815] ? arch_local_save_flags+0x40/0x40 [ 250.966408] __alloc_pages_slowpath+0x993/0x2d80 [ 250.971193] ? warn_alloc+0x120/0x120 [ 250.974994] ? __radix_tree_lookup+0x4c0/0x4c0 [ 250.979593] ? find_get_entry+0x2f2/0xc40 [ 250.983752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.989294] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 250.994222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.999757] ? should_fail+0x22d/0xd01 [ 251.003664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.008763] ? __lock_is_held+0xb5/0x140 [ 251.012868] ? __lock_is_held+0xb5/0x140 [ 251.016944] ? __lock_acquire+0x7ec/0x4ec0 [ 251.021180] ? ___might_sleep+0x1ed/0x300 [ 251.025330] ? lock_release+0x970/0x970 [ 251.029304] ? arch_local_save_flags+0x40/0x40 [ 251.033897] ? __might_sleep+0x95/0x190 [ 251.037891] __alloc_pages_nodemask+0xa80/0xde0 [ 251.042595] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.047619] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.053412] ? kasan_check_read+0x11/0x20 [ 251.057564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.062843] ? graph_lock+0x170/0x170 [ 251.066649] ? print_usage_bug+0xc0/0xc0 [ 251.070712] ? graph_lock+0x170/0x170 [ 251.074514] ? graph_lock+0x170/0x170 [ 251.078313] ? __do_page_cache_readahead+0x7ce/0x980 [ 251.083420] ? find_held_lock+0x36/0x1c0 [ 251.087485] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 251.093029] alloc_pages_current+0x10c/0x210 [ 251.097437] ? lock_downgrade+0x900/0x900 [ 251.101589] __page_cache_alloc+0x38f/0x5b0 [ 251.105925] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.111718] ? kasan_check_read+0x11/0x20 [ 251.115866] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.121148] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 251.125819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.131360] ? check_preemption_disabled+0x48/0x200 [ 251.136384] filemap_fault+0x1594/0x25f0 [ 251.140468] ? __lock_page_or_retry+0xa00/0xa00 [ 251.145140] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.150941] ? kasan_check_read+0x11/0x20 [ 251.155090] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.160363] ? ep_scan_ready_list+0xbeb/0x1050 [ 251.164952] ? rcu_bh_qs+0xc0/0xc0 [ 251.168488] ? lock_downgrade+0x900/0x900 [ 251.172642] ? graph_lock+0x170/0x170 [ 251.176451] ? filemap_map_pages+0xdea/0x1980 [ 251.180966] ? find_get_pages_range_tag+0x1320/0x1320 [ 251.186156] ? wait_for_completion+0x8a0/0x8a0 [ 251.190741] ? graph_lock+0x170/0x170 [ 251.194544] ? lockdep_hardirqs_on+0x421/0x5c0 [ 251.199128] ? kasan_check_read+0x11/0x20 [ 251.203273] ? ep_scan_ready_list+0xbc7/0x1050 [ 251.207858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.213322] ? lock_acquire+0x1ed/0x520 [ 251.217296] ? ext4_filemap_fault+0x7a/0xad [ 251.221625] ? lock_release+0x970/0x970 [ 251.225597] ? arch_local_save_flags+0x40/0x40 [ 251.230180] ? ep_poll_callback+0x10e0/0x10e0 [ 251.234691] ? down_read+0xb0/0x1d0 [ 251.238321] ? ext4_filemap_fault+0x7a/0xad [ 251.242643] ? __down_interruptible+0x700/0x700 [ 251.247315] ? get_futex_key+0x21b0/0x21b0 [ 251.251565] ext4_filemap_fault+0x82/0xad [ 251.255720] __do_fault+0x100/0x6b0 [ 251.259353] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.263851] ? print_bad_pte+0x6c0/0x6c0 [ 251.267929] ? lockdep_hardirqs_on+0x421/0x5c0 [ 251.272519] ? trace_hardirqs_on+0xbd/0x310 [ 251.276838] ? kasan_check_read+0x11/0x20 [ 251.280997] ? pmd_val+0x88/0x100 [ 251.284468] ? add_mm_counter_fast+0xd0/0xd0 [ 251.288922] ? pmd_val+0x88/0x100 [ 251.292386] ? add_mm_counter_fast+0xd0/0xd0 [ 251.296806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.302365] __handle_mm_fault+0x3709/0x53e0 [ 251.307261] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 251.312115] ? graph_lock+0x170/0x170 [ 251.315938] ? print_usage_bug+0xc0/0xc0 [ 251.320009] ? rcu_bh_qs+0xc0/0xc0 [ 251.323561] ? graph_lock+0x170/0x170 [ 251.327367] ? graph_lock+0x170/0x170 [ 251.331196] ? handle_mm_fault+0x42a/0xc70 [ 251.335438] ? lock_downgrade+0x900/0x900 [ 251.339594] ? check_preemption_disabled+0x48/0x200 [ 251.344630] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.350435] ? kasan_check_read+0x11/0x20 [ 251.354591] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.359869] ? rcu_bh_qs+0xc0/0xc0 [ 251.363431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.368890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.374441] ? check_preemption_disabled+0x48/0x200 [ 251.379472] handle_mm_fault+0x54f/0xc70 [ 251.383540] ? __handle_mm_fault+0x53e0/0x53e0 [ 251.388125] ? find_vma+0x34/0x190 [ 251.391672] __do_page_fault+0x67d/0xed0 [ 251.395742] ? mm_fault_error+0x380/0x380 [ 251.399900] ? trace_hardirqs_off+0xb8/0x310 [ 251.404327] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.409699] ? trace_hardirqs_on+0x310/0x310 [ 251.414123] do_page_fault+0xf2/0x7e0 [ 251.417942] ? vmalloc_sync_all+0x30/0x30 [ 251.422096] ? error_entry+0x70/0xd0 [ 251.425814] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.430834] ? trace_hardirqs_on_caller+0xc0/0x310 [ 251.435765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.440825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.445676] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.450693] ? trace_hardirqs_off+0x310/0x310 [ 251.455201] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.460224] ? page_fault+0x8/0x30 [ 251.463767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.468613] ? page_fault+0x8/0x30 [ 251.472158] page_fault+0x1e/0x30 [ 251.475614] RIP: 0033:0x45df89 [ 251.478811] Code: Bad RIP value. [ 251.482175] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 251.487582] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 251.494855] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 251.502122] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 251.509390] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 251.516659] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 251.523979] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 251.524043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.531172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.531177] Call Trace: [ 251.531184] [ 251.531207] dump_stack+0x1c4/0x2b4 [ 251.531225] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.531251] warn_alloc.cold.119+0xb7/0x1bd [ 251.537783] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.547088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.549644] syz-fuzzer cpuset= [ 251.551792] ? lock_downgrade+0x900/0x900 [ 251.555392] / [ 251.560582] ? trace_hardirqs_off+0xb8/0x310 [ 251.564878] mems_allowed=0 [ 251.575092] ? trace_hardirqs_off+0xb8/0x310 [ 251.600659] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.605544] ? warn_alloc+0x120/0x120 [ 251.609351] ? lock_release+0x970/0x970 [ 251.613331] ? warn_alloc+0x120/0x120 [ 251.617141] ? print_usage_bug+0xc0/0xc0 [ 251.621209] ? warn_alloc+0x120/0x120 [ 251.625019] ? print_usage_bug+0xc0/0xc0 [ 251.629090] ? __lock_acquire+0x7ec/0x4ec0 [ 251.633326] ? __lock_acquire+0x7ec/0x4ec0 [ 251.637566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.643105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.648647] ? should_fail+0x22d/0xd01 [ 251.652553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.657664] ? __lock_acquire+0x7ec/0x4ec0 [ 251.661922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.667044] ? __lock_acquire+0x7ec/0x4ec0 [ 251.671285] ? should_fail+0x22d/0xd01 [ 251.675191] ? mark_held_locks+0x130/0x130 [ 251.679520] ? mark_held_locks+0x130/0x130 [ 251.683768] ? graph_lock+0x170/0x170 [ 251.687572] ? print_usage_bug+0xc0/0xc0 [ 251.691633] ? graph_lock+0x170/0x170 [ 251.695435] ? print_usage_bug+0xc0/0xc0 [ 251.699500] ? wq_watchdog_touch+0x9c/0xfe [ 251.703737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.709279] ? check_preemption_disabled+0x48/0x200 [ 251.714294] ? check_preemption_disabled+0x48/0x200 [ 251.719324] ? __lock_is_held+0xb5/0x140 [ 251.723393] __alloc_pages_nodemask+0xa80/0xde0 [ 251.728067] ? graph_lock+0x170/0x170 [ 251.731874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.736898] ? graph_lock+0x170/0x170 [ 251.740721] ? find_held_lock+0x36/0x1c0 [ 251.744798] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.749472] ? lock_downgrade+0x900/0x900 [ 251.753630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.759174] cache_grow_begin+0x91/0x8c0 [ 251.763236] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.767657] fallback_alloc+0x203/0x2e0 [ 251.771642] ____cache_alloc_node+0x1c7/0x1e0 [ 251.776148] kmem_cache_alloc_node+0xe3/0x730 [ 251.780649] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.784895] __alloc_skb+0x119/0x770 [ 251.788621] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.793913] ? skb_scrub_packet+0x490/0x490 [ 251.798239] ? lock_downgrade+0x900/0x900 [ 251.802399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.807942] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.813399] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.818861] ? addrconf_rs_timer+0x690/0x690 [ 251.823288] ndisc_alloc_skb+0x144/0x340 [ 251.827363] ndisc_send_rs+0x331/0x6e0 [ 251.831263] addrconf_rs_timer+0x314/0x690 [ 251.835512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.839769] call_timer_fn+0x272/0x920 [ 251.843663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.847921] ? process_timeout+0x40/0x40 [ 251.851987] ? find_held_lock+0x36/0x1c0 [ 251.856068] ? __run_timers+0x7da/0xc70 [ 251.860053] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.864556] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.869065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.873307] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.877898] ? trace_hardirqs_on+0xbd/0x310 [ 251.882234] ? kasan_check_read+0x11/0x20 [ 251.886386] ? __run_timers+0x7da/0xc70 [ 251.890374] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.895838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.900084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.904325] __run_timers+0x7e5/0xc70 [ 251.908144] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.913517] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.918537] ? graph_lock+0x170/0x170 [ 251.922347] ? enqueue_hrtimer+0x1a5/0x560 [ 251.926584] ? lock_release+0x970/0x970 [ 251.930563] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.935764] ? find_held_lock+0x36/0x1c0 [ 251.939834] ? graph_lock+0x170/0x170 [ 251.943644] ? pvclock_read_flags+0x160/0x160 [ 251.948145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.953691] ? check_preemption_disabled+0x48/0x200 [ 251.958723] ? __lock_is_held+0xb5/0x140 [ 251.962788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.968329] ? check_preemption_disabled+0x48/0x200 [ 251.973359] run_timer_softirq+0x52/0xb0 [ 251.977426] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.982451] __do_softirq+0x30b/0xad8 [ 251.986264] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.991371] ? pvclock_read_flags+0x160/0x160 [ 251.995864] ? lapic_next_event+0x5a/0x90 [ 252.000015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.005559] ? check_preemption_disabled+0x48/0x200 [ 252.010593] ? check_preemption_disabled+0x48/0x200 [ 252.015617] ? kvm_clock_read+0x18/0x30 [ 252.019593] ? kvm_sched_clock_read+0x9/0x20 [ 252.024010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.029553] ? check_preemption_disabled+0x48/0x200 [ 252.034584] irq_exit+0x17f/0x1c0 [ 252.038042] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.042886] ? smp_reschedule_interrupt+0x109/0x650 [ 252.047920] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.053811] ? interrupt_entry+0xb5/0xf0 [ 252.057876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.062899] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.067938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.072788] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.077804] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.082830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.088375] ? check_preemption_disabled+0x48/0x200 [ 252.093401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.098974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.103835] apic_timer_interrupt+0xf/0x20 [ 252.108070] [ 252.110315] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 252.115249] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 252.134174] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.141899] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 252.149185] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 252.156494] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 252.163773] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 252.171059] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 252.178387] skb_clone+0x1bb/0x500 [ 252.181946] ? finish_task_switch+0x1b5/0x900 [ 252.186455] ? skb_split+0x11e0/0x11e0 [ 252.190350] ? preempt_notifier_register+0x200/0x200 [ 252.195453] ? __switch_to_asm+0x34/0x70 [ 252.199516] ? __switch_to_asm+0x34/0x70 [ 252.203573] ? __switch_to_asm+0x40/0x70 [ 252.207633] ? __switch_to_asm+0x34/0x70 [ 252.211690] ? __switch_to_asm+0x40/0x70 [ 252.215749] ? __switch_to_asm+0x34/0x70 [ 252.219807] ? __switch_to_asm+0x40/0x70 [ 252.223872] ? __switch_to_asm+0x34/0x70 [ 252.227941] ? __switch_to_asm+0x34/0x70 [ 252.232001] ? __switch_to_asm+0x40/0x70 [ 252.236061] ? __switch_to_asm+0x34/0x70 [ 252.240133] bpf_clone_redirect+0xb9/0x490 [ 252.244370] ? __schedule+0x874/0x1ed0 [ 252.248302] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 252.253318] ? __sched_text_start+0x8/0x8 [ 252.257487] ? find_held_lock+0x36/0x1c0 [ 252.261643] ? lock_acquire+0x1ed/0x520 [ 252.265621] ? bpf_test_run+0x32e/0x5a0 [ 252.269595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.275141] ? check_preemption_disabled+0x48/0x200 [ 252.280159] ? kasan_check_read+0x11/0x20 [ 252.284310] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.289590] ? rcu_bh_qs+0xc0/0xc0 [ 252.293131] ? preempt_schedule+0x4d/0x60 [ 252.297282] ? ___preempt_schedule+0x16/0x18 [ 252.301695] ? bpf_test_run+0x1c0/0x5a0 [ 252.305678] ? netlink_diag_dump+0x2a0/0x2a0 [ 252.310095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.315628] ? bpf_test_init.isra.9+0x70/0x100 [ 252.320216] ? bpf_prog_test_run_skb+0x634/0xb40 [ 252.324978] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.329818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.335355] ? fput+0x130/0x1a0 [ 252.338636] ? __bpf_prog_get+0x9b/0x290 [ 252.342699] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.347541] ? bpf_prog_test_run+0x130/0x1a0 [ 252.351954] ? __x64_sys_bpf+0x3d8/0x510 [ 252.356021] ? bpf_prog_get+0x20/0x20 [ 252.359839] ? do_syscall_64+0x1b9/0x820 [ 252.363899] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.369273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.374205] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.379220] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.384245] ? recalc_sigpending_tsk+0x180/0x180 [ 252.389000] ? kasan_check_write+0x14/0x20 [ 252.393242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.398095] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.403477] warn_alloc_show_mem: 1 callbacks suppressed [ 252.403489] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 252.403491] Mem-Info: [ 252.403527] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 252.403527] active_file:13 inactive_file:13 isolated_file:1 [ 252.403527] unevictable:0 dirty:0 writeback:0 unstable:0 [ 252.403527] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 252.403527] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 252.403527] free:13741 free_pcp:221 free_cma:0 [ 252.408857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.415790] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 252.418189] Call Trace: [ 252.451229] Node 0 [ 252.460569] [ 252.488506] 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 [ 252.491066] dump_stack+0x1c4/0x2b4 [ 252.493278] lowmem_reserve[]: [ 252.495426] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.520910] 0 [ 252.524542] warn_alloc.cold.119+0xb7/0x1bd [ 252.527609] 2819 6323 [ 252.532804] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.534594] 6323 [ 252.538923] ? lock_downgrade+0x900/0x900 [ 252.541390] Node 0 [ 252.546233] ? trace_hardirqs_off+0xb8/0x310 [ 252.548297] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 252.552422] ? trace_hardirqs_off+0xb8/0x310 [ 252.554632] lowmem_reserve[]: 0 [ 252.559043] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.586094] 0 [ 252.590520] ? warn_alloc+0x120/0x120 [ 252.593746] 3503 [ 252.598586] ? warn_alloc+0x120/0x120 [ 252.600353] 3503 [ 252.604152] ? print_usage_bug+0xc0/0xc0 [ 252.606189] Node 0 [ 252.609982] ? warn_alloc+0x120/0x120 [ 252.612045] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 252.616075] ? print_usage_bug+0xc0/0xc0 [ 252.618281] lowmem_reserve[]: 0 [ 252.622081] ? __lock_acquire+0x7ec/0x4ec0 [ 252.650507] 0 [ 252.654561] ? __lock_acquire+0x7ec/0x4ec0 [ 252.657819] 0 [ 252.662046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.663816] 0 [ 252.668055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.669835] Node 0 [ 252.675376] ? should_fail+0x22d/0xd01 [ 252.677149] DMA: [ 252.682677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.684891] 1*4kB [ 252.688780] ? __lock_acquire+0x7ec/0x4ec0 [ 252.690816] (U) [ 252.695921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.698033] 0*8kB 0*16kB [ 252.702267] ? __lock_acquire+0x7ec/0x4ec0 [ 252.704225] 1*32kB [ 252.709319] ? should_fail+0x22d/0xd01 [ 252.712056] (U) [ 252.716292] ? mark_held_locks+0x130/0x130 [ 252.718492] 2*64kB (U) [ 252.722381] ? mark_held_locks+0x130/0x130 [ 252.724331] 1*128kB [ 252.728555] ? graph_lock+0x170/0x170 [ 252.731115] (U) [ 252.735343] ? print_usage_bug+0xc0/0xc0 [ 252.737646] 1*256kB [ 252.741442] ? graph_lock+0x170/0x170 [ 252.743395] (U) [ 252.747454] ? print_usage_bug+0xc0/0xc0 [ 252.749753] 0*512kB [ 252.753543] ? wq_watchdog_touch+0x9c/0xfe [ 252.755497] 1*1024kB [ 252.759554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.761851] (U) [ 252.766081] ? check_preemption_disabled+0x48/0x200 [ 252.768467] 1*2048kB [ 252.773996] ? check_preemption_disabled+0x48/0x200 [ 252.775949] (M) [ 252.780963] ? __lock_is_held+0xb5/0x140 [ 252.783337] 3*4096kB (M) [ 252.788359] __alloc_pages_nodemask+0xa80/0xde0 [ 252.790314] = 15908kB [ 252.794371] ? graph_lock+0x170/0x170 [ 252.797114] Node 0 [ 252.801782] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.804168] DMA32: [ 252.807983] ? graph_lock+0x170/0x170 [ 252.810215] 5*4kB [ 252.815231] ? find_held_lock+0x36/0x1c0 [ 252.817441] (UM) [ 252.821245] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.823369] 0*8kB [ 252.827419] ? lock_downgrade+0x900/0x900 [ 252.829465] 3*16kB [ 252.834131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.836255] (UM) [ 252.840400] cache_grow_begin+0x91/0x8c0 [ 252.842604] 2*32kB (M) [ 252.848141] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.850176] 5*64kB (UM) [ 252.854243] fallback_alloc+0x203/0x2e0 [ 252.856801] 3*128kB [ 252.861209] ____cache_alloc_node+0x1c7/0x1e0 [ 252.863850] (M) [ 252.867821] kmem_cache_alloc_node+0xe3/0x730 [ 252.870119] 3*256kB [ 252.874607] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.876554] (M) [ 252.881047] __alloc_skb+0x119/0x770 [ 252.883338] 4*512kB [ 252.887564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.889514] (UM) [ 252.893219] ? skb_scrub_packet+0x490/0x490 [ 252.895519] 3*1024kB [ 252.900786] ? lock_downgrade+0x900/0x900 [ 252.902825] (UM) [ 252.907147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.909529] 1*2048kB [ 252.913674] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.915709] (M) [ 252.921237] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.923620] 4*4096kB (M) [ 252.929076] ? addrconf_rs_timer+0x690/0x690 [ 252.931030] = 25156kB [ 252.936484] ndisc_alloc_skb+0x144/0x340 [ 252.939210] Node 0 [ 252.943615] ndisc_send_rs+0x331/0x6e0 [ 252.945999] Normal: [ 252.950057] addrconf_rs_timer+0x314/0x690 [ 252.952270] 1005*4kB [ 252.956150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.958451] (MEH) [ 252.962688] call_timer_fn+0x272/0x920 [ 252.965059] 451*8kB (ME) [ 252.969296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.971422] 184*16kB [ 252.975303] ? process_timeout+0x40/0x40 [ 252.978035] (UME) [ 252.982260] ? find_held_lock+0x36/0x1c0 [ 252.984645] 94*32kB [ 252.988701] ? mark_held_locks+0xc7/0x130 [ 252.990823] (UME) [ 252.994879] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.997192] 5*64kB [ 253.001329] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.003456] (UM) [ 253.007952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.010164] 0*128kB [ 253.014651] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.016691] 0*256kB [ 253.020931] ? trace_hardirqs_on+0xbd/0x310 [ 253.023233] 0*512kB [ 253.027805] ? kasan_check_read+0x11/0x20 [ 253.030107] 0*1024kB [ 253.034421] ? __run_timers+0x7da/0xc70 [ 253.036724] 0*2048kB [ 253.040879] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.043267] 0*4096kB [ 253.047234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.049618] = 13900kB [ 253.055082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.057474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.061698] __run_timers+0x7e5/0xc70 [ 253.064090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.068321] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.077126] 4241 total pagecache pages [ 253.080930] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.089478] 0 pages in swap cache [ 253.094828] ? graph_lock+0x170/0x170 [ 253.098694] Swap cache stats: add 0, delete 0, find 0/0 [ 253.103699] ? print_usage_bug+0xc0/0xc0 [ 253.107120] Free swap = 0kB [ 253.107129] Total swap = 0kB [ 253.110929] ? lock_release+0x970/0x970 [ 253.116265] 1965979 pages RAM [ 253.120317] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.123305] 0 pages HighMem/MovableOnly [ 253.123313] 342307 pages reserved [ 253.126329] ? find_held_lock+0x36/0x1c0 [ 253.130275] 0 pages cma reserved [ 253.133372] ? graph_lock+0x170/0x170 [ 253.138641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.142503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.142521] ? check_preemption_disabled+0x48/0x200 [ 253.142546] ? __lock_is_held+0xb5/0x140 [ 253.146025] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.150023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.153366] syz-executor5 cpuset= [ 253.157160] ? check_preemption_disabled+0x48/0x200 [ 253.163624] syz5 [ 253.169156] run_timer_softirq+0x52/0xb0 [ 253.174144] mems_allowed=0 [ 253.178194] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.216522] __do_softirq+0x30b/0xad8 [ 253.220335] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.225444] ? pvclock_read_flags+0x160/0x160 [ 253.229945] ? lapic_next_event+0x5a/0x90 [ 253.234100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.239640] ? check_preemption_disabled+0x48/0x200 [ 253.244658] ? check_preemption_disabled+0x48/0x200 [ 253.249686] ? kvm_clock_read+0x18/0x30 [ 253.253663] ? kvm_sched_clock_read+0x9/0x20 [ 253.258074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.263612] ? check_preemption_disabled+0x48/0x200 [ 253.268640] irq_exit+0x17f/0x1c0 [ 253.272094] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.276943] ? smp_reschedule_interrupt+0x109/0x650 [ 253.281965] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.287848] ? interrupt_entry+0xb5/0xf0 [ 253.291923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.296947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.301966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.307325] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.312339] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.317354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.322893] ? check_preemption_disabled+0x48/0x200 [ 253.327937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.333487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.338337] apic_timer_interrupt+0xf/0x20 [ 253.342564] [ 253.344802] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 253.349820] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 253.368719] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 253.376426] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 253.383692] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 253.390961] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 253.398226] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 253.405495] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 253.412783] ? list_lru_count_one+0x36d/0x450 [ 253.417278] ? list_lru_count_one+0x260/0x450 [ 253.421788] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.427586] ? kasan_check_read+0x11/0x20 [ 253.431733] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.437016] ? rcu_bh_qs+0xc0/0xc0 [ 253.440695] list_lru_count_one+0x265/0x450 [ 253.445018] ? list_lru_add+0x980/0x980 [ 253.449001] ? deferred_split_count+0x65/0x170 [ 253.453583] ? shrink_huge_zero_page_count+0xc8/0x100 [ 253.458776] super_cache_count+0x153/0x2e0 [ 253.463024] do_shrink_slab+0x1a7/0xd20 [ 253.467009] ? lock_release+0x970/0x970 [ 253.470985] ? snapshot_refaults+0x290/0x290 [ 253.475400] ? ___might_sleep+0x1ed/0x300 [ 253.479562] ? down_read_trylock+0xff/0x1e0 [ 253.483886] ? shrink_slab+0x207/0x8c0 [ 253.487787] ? downgrade_write+0x2b0/0x2b0 [ 253.492027] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.497562] ? shrink_node_memcg+0xc82/0x18e0 [ 253.502074] shrink_slab+0x389/0x8c0 [ 253.505786] ? shrink_active_list+0x1c20/0x1c20 [ 253.510464] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 253.516092] ? kasan_check_read+0x11/0x20 [ 253.520240] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.524653] ? ___preempt_schedule+0x16/0x18 [ 253.529071] ? _raw_spin_unlock+0x3f/0x50 [ 253.533225] shrink_node+0x431/0x16b0 [ 253.537031] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 253.542337] ? shrink_node_memcg+0x18e0/0x18e0 [ 253.546929] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.551515] ? trace_hardirqs_on+0xbd/0x310 [ 253.555839] ? vmpressure+0x271/0x340 [ 253.559644] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 253.564235] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.569771] ? __cpuset_node_allowed+0x19b/0x660 [ 253.574530] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 253.580245] ? vmpressure+0x1a2/0x340 [ 253.584057] do_try_to_free_pages+0x3e7/0x1290 [ 253.588656] ? shrink_node+0x16b0/0x16b0 [ 253.592719] ? __lock_is_held+0xb5/0x140 [ 253.596796] try_to_free_pages+0x4d0/0xb90 [ 253.601034] ? do_try_to_free_pages+0x1290/0x1290 [ 253.605875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.611431] ? lock_acquire+0x1ed/0x520 [ 253.615409] ? set_page_refcounted+0x280/0x280 [ 253.619997] ? lock_release+0x970/0x970 [ 253.623977] ? ___might_sleep+0x1ed/0x300 [ 253.628142] ? arch_local_save_flags+0x40/0x40 [ 253.632735] __alloc_pages_slowpath+0x993/0x2d80 [ 253.637524] ? warn_alloc+0x120/0x120 [ 253.641324] ? __radix_tree_lookup+0x4c0/0x4c0 [ 253.645934] ? find_get_entry+0x2f2/0xc40 [ 253.650092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.655633] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 253.660571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.666111] ? should_fail+0x22d/0xd01 [ 253.670002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.675112] ? __lock_is_held+0xb5/0x140 [ 253.679212] ? __lock_is_held+0xb5/0x140 [ 253.683292] ? __lock_acquire+0x7ec/0x4ec0 [ 253.687534] ? ___might_sleep+0x1ed/0x300 [ 253.691684] ? lock_release+0x970/0x970 [ 253.695662] ? arch_local_save_flags+0x40/0x40 [ 253.700260] ? __might_sleep+0x95/0x190 [ 253.704246] __alloc_pages_nodemask+0xa80/0xde0 [ 253.708938] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.713965] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.719764] ? kasan_check_read+0x11/0x20 [ 253.723935] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.729224] ? graph_lock+0x170/0x170 [ 253.733058] ? print_usage_bug+0xc0/0xc0 [ 253.737129] ? graph_lock+0x170/0x170 [ 253.740945] ? graph_lock+0x170/0x170 [ 253.744754] ? __do_page_cache_readahead+0x7ce/0x980 [ 253.749876] ? find_held_lock+0x36/0x1c0 [ 253.753968] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 253.759516] alloc_pages_current+0x10c/0x210 [ 253.763945] ? lock_downgrade+0x900/0x900 [ 253.768123] __page_cache_alloc+0x38f/0x5b0 [ 253.772456] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.778262] ? kasan_check_read+0x11/0x20 [ 253.782418] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.787712] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 253.792391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.797955] ? check_preemption_disabled+0x48/0x200 [ 253.802990] filemap_fault+0x1594/0x25f0 [ 253.807081] ? __lock_page_or_retry+0xa00/0xa00 [ 253.811758] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.817563] ? kasan_check_read+0x11/0x20 [ 253.821724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.827030] ? ep_scan_ready_list+0xbeb/0x1050 [ 253.831636] ? rcu_bh_qs+0xc0/0xc0 [ 253.835187] ? lock_downgrade+0x900/0x900 [ 253.839347] ? graph_lock+0x170/0x170 [ 253.843164] ? filemap_map_pages+0xdea/0x1980 [ 253.847690] ? find_get_pages_range_tag+0x1320/0x1320 [ 253.852897] ? wait_for_completion+0x8a0/0x8a0 [ 253.857516] ? graph_lock+0x170/0x170 [ 253.861333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.865953] ? kasan_check_read+0x11/0x20 [ 253.870112] ? ep_scan_ready_list+0xbc7/0x1050 [ 253.874708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.880233] ? lock_acquire+0x1ed/0x520 [ 253.884273] ? ext4_filemap_fault+0x7a/0xad [ 253.888613] ? lock_release+0x970/0x970 [ 253.892597] ? arch_local_save_flags+0x40/0x40 [ 253.897190] ? ep_poll_callback+0x10e0/0x10e0 [ 253.901712] ? down_read+0xb0/0x1d0 [ 253.905350] ? ext4_filemap_fault+0x7a/0xad [ 253.909682] ? __down_interruptible+0x700/0x700 [ 253.914364] ? get_futex_key+0x21b0/0x21b0 [ 253.918626] ext4_filemap_fault+0x82/0xad [ 253.922787] __do_fault+0x100/0x6b0 [ 253.926424] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.930955] ? print_bad_pte+0x6c0/0x6c0 [ 253.935027] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.939619] ? trace_hardirqs_on+0xbd/0x310 [ 253.943957] ? kasan_check_read+0x11/0x20 [ 253.948119] ? pmd_val+0x88/0x100 [ 253.951594] ? add_mm_counter_fast+0xd0/0xd0 [ 253.956015] ? pmd_val+0x88/0x100 [ 253.959479] ? add_mm_counter_fast+0xd0/0xd0 [ 253.963924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.969480] __handle_mm_fault+0x3709/0x53e0 [ 253.973934] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 253.978788] ? graph_lock+0x170/0x170 [ 253.982631] ? print_usage_bug+0xc0/0xc0 [ 253.986703] ? rcu_bh_qs+0xc0/0xc0 [ 253.990255] ? graph_lock+0x170/0x170 [ 253.994069] ? graph_lock+0x170/0x170 [ 253.997926] ? handle_mm_fault+0x42a/0xc70 [ 254.002178] ? lock_downgrade+0x900/0x900 [ 254.006340] ? check_preemption_disabled+0x48/0x200 [ 254.011381] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.017271] ? kasan_check_read+0x11/0x20 [ 254.021431] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.026775] ? rcu_bh_qs+0xc0/0xc0 [ 254.030326] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.035790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.041339] ? check_preemption_disabled+0x48/0x200 [ 254.046374] handle_mm_fault+0x54f/0xc70 [ 254.050450] ? __handle_mm_fault+0x53e0/0x53e0 [ 254.055051] ? find_vma+0x34/0x190 [ 254.058611] __do_page_fault+0x67d/0xed0 [ 254.062693] ? mm_fault_error+0x380/0x380 [ 254.066848] ? trace_hardirqs_off+0xb8/0x310 [ 254.071271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.076644] ? trace_hardirqs_on+0x310/0x310 [ 254.081161] do_page_fault+0xf2/0x7e0 [ 254.084982] ? vmalloc_sync_all+0x30/0x30 [ 254.089143] ? error_entry+0x70/0xd0 [ 254.092872] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.097983] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.102949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.107894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.112777] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.117803] ? trace_hardirqs_off+0x310/0x310 [ 254.122312] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.127345] ? page_fault+0x8/0x30 [ 254.130899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.135778] ? page_fault+0x8/0x30 [ 254.139330] page_fault+0x1e/0x30 [ 254.142790] RIP: 0033:0x45df89 [ 254.145998] Code: Bad RIP value. [ 254.149371] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 254.154747] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 254.162025] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 254.169301] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 254.176580] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 254.183857] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 254.191160] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 254.191227] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.198360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.198369] Call Trace: [ 254.205061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.214595] [ 254.217175] syz-fuzzer cpuset= [ 254.227436] dump_stack+0x1c4/0x2b4 [ 254.229564] / [ 254.232763] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.236375] mems_allowed=0 [ 254.238101] warn_alloc.cold.119+0xb7/0x1bd [ 254.250522] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.255381] ? lock_downgrade+0x900/0x900 [ 254.259554] ? trace_hardirqs_off+0xb8/0x310 [ 254.263983] ? trace_hardirqs_off+0xb8/0x310 [ 254.268419] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.273307] ? warn_alloc+0x120/0x120 [ 254.277126] ? warn_alloc+0x120/0x120 [ 254.280959] ? print_usage_bug+0xc0/0xc0 [ 254.285037] ? warn_alloc+0x120/0x120 [ 254.288848] ? print_usage_bug+0xc0/0xc0 [ 254.292943] ? __lock_acquire+0x7ec/0x4ec0 [ 254.297190] ? __lock_acquire+0x7ec/0x4ec0 [ 254.301439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.306993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.312541] ? should_fail+0x22d/0xd01 [ 254.316450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.321568] ? __lock_acquire+0x7ec/0x4ec0 [ 254.325822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.330954] ? __lock_acquire+0x7ec/0x4ec0 [ 254.335196] ? should_fail+0x22d/0xd01 [ 254.339109] ? mark_held_locks+0x130/0x130 [ 254.343419] ? mark_held_locks+0x130/0x130 [ 254.347671] ? graph_lock+0x170/0x170 [ 254.351482] ? print_usage_bug+0xc0/0xc0 [ 254.355554] ? graph_lock+0x170/0x170 [ 254.359387] ? print_usage_bug+0xc0/0xc0 [ 254.363465] ? wq_watchdog_touch+0x9c/0xfe [ 254.367716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.373267] ? check_preemption_disabled+0x48/0x200 [ 254.378314] ? check_preemption_disabled+0x48/0x200 [ 254.383355] ? __lock_is_held+0xb5/0x140 [ 254.387444] __alloc_pages_nodemask+0xa80/0xde0 [ 254.392126] ? graph_lock+0x170/0x170 [ 254.395961] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.400989] ? graph_lock+0x170/0x170 [ 254.404865] ? find_held_lock+0x36/0x1c0 [ 254.409014] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.413694] ? lock_downgrade+0x900/0x900 [ 254.417879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.423631] cache_grow_begin+0x91/0x8c0 [ 254.427709] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.432142] fallback_alloc+0x203/0x2e0 [ 254.436136] ____cache_alloc_node+0x1c7/0x1e0 [ 254.440653] kmem_cache_alloc_node+0xe3/0x730 [ 254.445165] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.449426] __alloc_skb+0x119/0x770 [ 254.453154] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.458449] ? skb_scrub_packet+0x490/0x490 [ 254.462783] ? lock_downgrade+0x900/0x900 [ 254.466966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.472518] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.477986] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.483575] ? addrconf_rs_timer+0x690/0x690 [ 254.488011] ndisc_alloc_skb+0x144/0x340 [ 254.492101] ndisc_send_rs+0x331/0x6e0 [ 254.496064] addrconf_rs_timer+0x314/0x690 [ 254.500321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.504593] call_timer_fn+0x272/0x920 [ 254.508492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.512785] ? process_timeout+0x40/0x40 [ 254.516853] ? find_held_lock+0x36/0x1c0 [ 254.520950] ? __run_timers+0x7da/0xc70 [ 254.524960] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.529463] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.533971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.538217] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.542819] ? trace_hardirqs_on+0xbd/0x310 [ 254.547150] ? kasan_check_read+0x11/0x20 [ 254.551312] ? __run_timers+0x7da/0xc70 [ 254.555297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.560765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.565019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.569264] __run_timers+0x7e5/0xc70 [ 254.573139] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.578519] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.583546] ? graph_lock+0x170/0x170 [ 254.587362] ? enqueue_hrtimer+0x1a5/0x560 [ 254.591606] ? lock_release+0x970/0x970 [ 254.595591] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.600799] ? find_held_lock+0x36/0x1c0 [ 254.604878] ? graph_lock+0x170/0x170 [ 254.608713] ? pvclock_read_flags+0x160/0x160 [ 254.613218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.618767] ? check_preemption_disabled+0x48/0x200 [ 254.623810] ? __lock_is_held+0xb5/0x140 [ 254.627884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.633454] ? check_preemption_disabled+0x48/0x200 [ 254.638491] run_timer_softirq+0x52/0xb0 [ 254.642563] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.647594] __do_softirq+0x30b/0xad8 [ 254.651421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.656539] ? pvclock_read_flags+0x160/0x160 [ 254.661047] ? lapic_next_event+0x5a/0x90 [ 254.665206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.670760] ? check_preemption_disabled+0x48/0x200 [ 254.675786] ? check_preemption_disabled+0x48/0x200 [ 254.680820] ? kvm_clock_read+0x18/0x30 [ 254.684810] ? kvm_sched_clock_read+0x9/0x20 [ 254.689232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.694783] ? check_preemption_disabled+0x48/0x200 [ 254.699822] irq_exit+0x17f/0x1c0 [ 254.703287] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.708142] ? smp_reschedule_interrupt+0x109/0x650 [ 254.713173] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.719070] ? interrupt_entry+0xb5/0xf0 [ 254.723143] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.728223] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.733303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.738156] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.743184] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.748265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.753818] ? check_preemption_disabled+0x48/0x200 [ 254.758846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.764402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.769268] apic_timer_interrupt+0xf/0x20 [ 254.773508] [ 254.775761] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.780706] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 254.799613] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.807344] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 254.814637] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 254.822014] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 254.829441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 254.836729] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 254.844068] skb_clone+0x1bb/0x500 [ 254.847628] ? finish_task_switch+0x1b5/0x900 [ 254.852195] ? skb_split+0x11e0/0x11e0 [ 254.856109] ? preempt_notifier_register+0x200/0x200 [ 254.861227] ? __switch_to_asm+0x34/0x70 [ 254.865304] ? __switch_to_asm+0x34/0x70 [ 254.869375] ? __switch_to_asm+0x40/0x70 [ 254.873450] ? __switch_to_asm+0x34/0x70 [ 254.877520] ? __switch_to_asm+0x40/0x70 [ 254.881592] ? __switch_to_asm+0x34/0x70 [ 254.885663] ? __switch_to_asm+0x40/0x70 [ 254.889732] ? __switch_to_asm+0x34/0x70 [ 254.893809] ? __switch_to_asm+0x34/0x70 [ 254.897879] ? __switch_to_asm+0x40/0x70 [ 254.901970] ? __switch_to_asm+0x34/0x70 [ 254.906053] bpf_clone_redirect+0xb9/0x490 [ 254.910300] ? __schedule+0x874/0x1ed0 [ 254.914205] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 254.919234] ? __sched_text_start+0x8/0x8 [ 254.923408] ? find_held_lock+0x36/0x1c0 [ 254.927493] ? lock_acquire+0x1ed/0x520 [ 254.931476] ? bpf_test_run+0x32e/0x5a0 [ 254.935462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.941069] ? check_preemption_disabled+0x48/0x200 [ 254.946100] ? kasan_check_read+0x11/0x20 [ 254.950264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.955554] ? rcu_bh_qs+0xc0/0xc0 [ 254.959110] ? preempt_schedule+0x4d/0x60 [ 254.963324] ? ___preempt_schedule+0x16/0x18 [ 254.967756] ? bpf_test_run+0x1c0/0x5a0 [ 254.971751] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.976175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.981721] ? bpf_test_init.isra.9+0x70/0x100 [ 254.986367] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.991144] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.996004] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.001558] ? fput+0x130/0x1a0 [ 255.004853] ? __bpf_prog_get+0x9b/0x290 [ 255.008954] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.013812] ? bpf_prog_test_run+0x130/0x1a0 [ 255.018246] ? __x64_sys_bpf+0x3d8/0x510 [ 255.022326] ? bpf_prog_get+0x20/0x20 [ 255.026162] ? do_syscall_64+0x1b9/0x820 [ 255.030234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.035615] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.040565] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.045597] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.050624] ? recalc_sigpending_tsk+0x180/0x180 [ 255.055394] ? kasan_check_write+0x14/0x20 [ 255.059652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.064516] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.069927] warn_alloc_show_mem: 1 callbacks suppressed [ 255.069939] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 255.069941] Mem-Info: [ 255.069972] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 255.069972] active_file:13 inactive_file:13 isolated_file:1 [ 255.069972] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.069972] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 255.069972] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 255.069972] free:13741 free_pcp:221 free_cma:0 [ 255.075319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.075327] Call Trace: [ 255.082403] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.084813] [ 255.117874] Node 0 [ 255.127273] dump_stack+0x1c4/0x2b4 [ 255.129862] 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 [ 255.157707] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.159838] lowmem_reserve[]: [ 255.162094] warn_alloc.cold.119+0xb7/0x1bd [ 255.165699] 0 [ 255.191487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.196661] 2819 [ 255.199775] ? lock_downgrade+0x900/0x900 [ 255.204081] 6323 [ 255.205892] ? trace_hardirqs_off+0xb8/0x310 [ 255.210712] 6323 [ 255.212781] ? trace_hardirqs_off+0xb8/0x310 [ 255.219010] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.223400] Node 0 [ 255.225492] ? warn_alloc+0x120/0x120 [ 255.229881] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 255.234702] ? trace_hardirqs_on+0x310/0x310 [ 255.236940] lowmem_reserve[]: [ 255.240745] ? warn_alloc+0x120/0x120 [ 255.268066] 0 [ 255.272494] ? print_usage_bug+0xc0/0xc0 [ 255.275576] 0 [ 255.279382] ? warn_alloc+0x120/0x120 [ 255.281172] 3503 [ 255.285239] ? ktime_get+0x2e1/0x440 [ 255.287029] 3503 [ 255.290835] ? print_usage_bug+0xc0/0xc0 [ 255.296595] ? __lock_acquire+0x7ec/0x4ec0 [ 255.298647] Node 0 [ 255.302711] ? __lock_acquire+0x7ec/0x4ec0 [ 255.307191] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 255.309411] ? kasan_check_read+0x11/0x20 [ 255.313641] lowmem_reserve[]: [ 255.342123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.346252] 0 [ 255.349367] ? should_fail+0x22d/0xd01 [ 255.355018] 0 [ 255.356827] ? rcu_bh_qs+0xc0/0xc0 [ 255.360695] 0 [ 255.362504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.366029] 0 [ 255.367836] ? __lock_acquire+0x7ec/0x4ec0 [ 255.374819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.379128] Node 0 [ 255.384235] ? __lock_acquire+0x7ec/0x4ec0 [ 255.384245] DMA: [ 255.386484] ? should_fail+0x22d/0xd01 [ 255.390703] 1*4kB [ 255.392772] ? rcu_idle_enter+0x4b0/0x4b0 [ 255.396708] (U) [ 255.398876] ? mark_held_locks+0x130/0x130 [ 255.403057] 0*8kB [ 255.405046] ? mark_held_locks+0x130/0x130 [ 255.409266] 0*16kB [ 255.411423] ? mark_held_locks+0xc7/0x130 [ 255.415648] 1*32kB [ 255.417894] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 255.422044] (U) [ 255.424287] ? graph_lock+0x170/0x170 [ 255.429285] 2*64kB (U) [ 255.431276] ? print_usage_bug+0xc0/0xc0 [ 255.435063] 1*128kB [ 255.437653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.442238] (U) [ 255.444575] ? check_preemption_disabled+0x48/0x200 [ 255.450093] 1*256kB [ 255.452078] ? check_preemption_disabled+0x48/0x200 [ 255.457078] (U) [ 255.459416] ? __lock_is_held+0xb5/0x140 [ 255.464412] 0*512kB [ 255.466397] __alloc_pages_nodemask+0xa80/0xde0 [ 255.470447] 1*1024kB [ 255.472836] ? graph_lock+0x170/0x170 [ 255.477490] (U) [ 255.479938] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.483715] 1*2048kB [ 255.485703] ? graph_lock+0x170/0x170 [ 255.490707] (M) [ 255.493140] ? find_held_lock+0x36/0x1c0 [ 255.496930] 3*4096kB (M) [ 255.498964] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.503007] = 15908kB [ 255.505778] ? lock_downgrade+0x900/0x900 [ 255.510438] Node 0 [ 255.512867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.516990] DMA32: [ 255.519241] cache_grow_begin+0x91/0x8c0 [ 255.524764] 5*4kB [ 255.527019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.531058] (UM) [ 255.533227] fallback_alloc+0x203/0x2e0 [ 255.537662] 0*8kB [ 255.539747] ____cache_alloc_node+0x1c7/0x1e0 [ 255.543699] 3*16kB [ 255.545863] kmem_cache_alloc_node+0xe3/0x730 [ 255.550334] (UM) [ 255.552587] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.557061] 2*32kB (M) [ 255.559151] __alloc_skb+0x119/0x770 [ 255.563360] 5*64kB (UM) [ 255.565974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.569779] 3*128kB [ 255.572458] ? skb_scrub_packet+0x490/0x490 [ 255.577796] (M) 3*256kB [ 255.580194] ? lock_downgrade+0x900/0x900 [ 255.584497] (M) [ 255.587183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.591311] 4*512kB [ 255.593295] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.598817] (UM) [ 255.601151] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.606583] 3*1024kB [ 255.608652] ? addrconf_rs_timer+0x690/0x690 [ 255.614227] (UM) [ 255.616653] ndisc_alloc_skb+0x144/0x340 [ 255.621036] 1*2048kB [ 255.623105] ndisc_send_rs+0x331/0x6e0 [ 255.627147] (M) [ 255.629565] addrconf_rs_timer+0x314/0x690 [ 255.633440] 4*4096kB [ 255.635422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.639639] (M) [ 255.642064] call_timer_fn+0x272/0x920 [ 255.646284] = 25156kB [ 255.648265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.652134] Node 0 [ 255.654554] ? process_timeout+0x40/0x40 [ 255.658773] Normal: [ 255.661017] ? find_held_lock+0x36/0x1c0 [ 255.665118] 1005*4kB [ 255.667454] ? mark_held_locks+0xc7/0x130 [ 255.671497] (MEH) [ 255.673940] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.678072] 451*8kB [ 255.680225] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.684712] (ME) [ 255.687049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.691525] 184*16kB [ 255.693594] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.697808] (UME) [ 255.700226] ? trace_hardirqs_on+0xbd/0x310 [ 255.704795] 94*32kB [ 255.706972] ? kasan_check_read+0x11/0x20 [ 255.711403] (UME) [ 255.713739] ? __run_timers+0x7da/0xc70 [ 255.717873] 5*64kB [ 255.720040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.723996] (UM) [ 255.726248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.731675] 0*128kB 0*256kB [ 255.733763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.737977] 0*512kB [ 255.741066] __run_timers+0x7e5/0xc70 [ 255.745283] 0*1024kB [ 255.747629] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.751403] 0*2048kB [ 255.753827] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.759196] 0*4096kB [ 255.761616] ? graph_lock+0x170/0x170 [ 255.766614] = 13900kB [ 255.769036] ? print_usage_bug+0xc0/0xc0 [ 255.772827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.775292] ? lock_release+0x970/0x970 [ 255.779342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.788174] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.792272] 4241 total pagecache pages [ 255.800855] ? find_held_lock+0x36/0x1c0 [ 255.806030] 0 pages in swap cache [ 255.809943] ? graph_lock+0x170/0x170 [ 255.813993] Swap cache stats: add 0, delete 0, find 0/0 [ 255.817534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.821318] Free swap = 0kB [ 255.826687] ? check_preemption_disabled+0x48/0x200 [ 255.832204] Total swap = 0kB [ 255.835290] ? __lock_is_held+0xb5/0x140 [ 255.840282] 1965979 pages RAM [ 255.843316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.847412] 0 pages HighMem/MovableOnly [ 255.850528] ? check_preemption_disabled+0x48/0x200 [ 255.856048] 342307 pages reserved [ 255.860088] run_timer_softirq+0x52/0xb0 [ 255.865086] 0 pages cma reserved [ 255.868545] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.872655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.875981] __do_softirq+0x30b/0xad8 [ 255.881074] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.887490] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.891271] syz-executor5 cpuset= [ 255.901775] ? pvclock_read_flags+0x160/0x160 [ 255.906866] syz5 [ 255.910333] ? lapic_next_event+0x5a/0x90 [ 255.914817] mems_allowed=0 [ 255.916803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.929461] ? check_preemption_disabled+0x48/0x200 [ 255.934495] ? check_preemption_disabled+0x48/0x200 [ 255.939538] ? kvm_clock_read+0x18/0x30 [ 255.943523] ? kvm_sched_clock_read+0x9/0x20 [ 255.947970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.953534] ? check_preemption_disabled+0x48/0x200 [ 255.958584] irq_exit+0x17f/0x1c0 [ 255.962059] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.966940] ? smp_reschedule_interrupt+0x109/0x650 [ 255.971994] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.977902] ? interrupt_entry+0xb5/0xf0 [ 255.982010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.987045] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.992080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.996956] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.001988] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.007019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.012574] ? check_preemption_disabled+0x48/0x200 [ 256.017687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.023246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.028111] apic_timer_interrupt+0xf/0x20 [ 256.032350] [ 256.034601] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 256.039630] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 256.058550] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 256.066275] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 256.073583] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 256.080862] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 256.088140] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 256.095416] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 256.102722] ? list_lru_count_one+0x36d/0x450 [ 256.107236] ? list_lru_count_one+0x260/0x450 [ 256.111758] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.117571] ? kasan_check_read+0x11/0x20 [ 256.121740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.127041] ? rcu_bh_qs+0xc0/0xc0 [ 256.130613] list_lru_count_one+0x265/0x450 [ 256.134973] ? list_lru_add+0x980/0x980 [ 256.138977] ? deferred_split_count+0x65/0x170 [ 256.143575] ? shrink_huge_zero_page_count+0xc8/0x100 [ 256.148794] super_cache_count+0x153/0x2e0 [ 256.153056] do_shrink_slab+0x1a7/0xd20 [ 256.157054] ? lock_release+0x970/0x970 [ 256.161050] ? snapshot_refaults+0x290/0x290 [ 256.165483] ? ___might_sleep+0x1ed/0x300 [ 256.169652] ? down_read_trylock+0xff/0x1e0 [ 256.174004] ? shrink_slab+0x207/0x8c0 [ 256.177931] ? downgrade_write+0x2b0/0x2b0 [ 256.182187] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.187738] ? shrink_node_memcg+0xc82/0x18e0 [ 256.192261] shrink_slab+0x389/0x8c0 [ 256.195988] ? shrink_active_list+0x1c20/0x1c20 [ 256.200682] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 256.206317] ? kasan_check_read+0x11/0x20 [ 256.210481] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.214933] ? ___preempt_schedule+0x16/0x18 [ 256.219368] ? _raw_spin_unlock+0x3f/0x50 [ 256.223525] shrink_node+0x431/0x16b0 [ 256.227343] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 256.232660] ? shrink_node_memcg+0x18e0/0x18e0 [ 256.237254] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.241853] ? trace_hardirqs_on+0xbd/0x310 [ 256.246185] ? vmpressure+0x271/0x340 [ 256.250009] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 256.254609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.260159] ? __cpuset_node_allowed+0x19b/0x660 [ 256.264953] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 256.270683] ? vmpressure+0x1a2/0x340 [ 256.274615] do_try_to_free_pages+0x3e7/0x1290 [ 256.279231] ? shrink_node+0x16b0/0x16b0 [ 256.283305] ? __lock_is_held+0xb5/0x140 [ 256.287394] try_to_free_pages+0x4d0/0xb90 [ 256.291648] ? do_try_to_free_pages+0x1290/0x1290 [ 256.296560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.302123] ? lock_acquire+0x1ed/0x520 [ 256.306107] ? set_page_refcounted+0x280/0x280 [ 256.310709] ? lock_release+0x970/0x970 [ 256.314711] ? ___might_sleep+0x1ed/0x300 [ 256.318878] ? arch_local_save_flags+0x40/0x40 [ 256.323519] __alloc_pages_slowpath+0x993/0x2d80 [ 256.328384] ? warn_alloc+0x120/0x120 [ 256.332203] ? __radix_tree_lookup+0x4c0/0x4c0 [ 256.336874] ? find_get_entry+0x2f2/0xc40 [ 256.341076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.346651] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 256.351605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.357167] ? should_fail+0x22d/0xd01 [ 256.361078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.366261] ? __lock_is_held+0xb5/0x140 [ 256.370368] ? __lock_is_held+0xb5/0x140 [ 256.374456] ? __lock_acquire+0x7ec/0x4ec0 [ 256.378857] ? ___might_sleep+0x1ed/0x300 [ 256.383025] ? lock_release+0x970/0x970 [ 256.387017] ? arch_local_save_flags+0x40/0x40 [ 256.391626] ? __might_sleep+0x95/0x190 [ 256.395622] __alloc_pages_nodemask+0xa80/0xde0 [ 256.400309] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.405344] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.411153] ? kasan_check_read+0x11/0x20 [ 256.415322] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.420619] ? graph_lock+0x170/0x170 [ 256.424431] ? print_usage_bug+0xc0/0xc0 [ 256.428505] ? graph_lock+0x170/0x170 [ 256.432317] ? graph_lock+0x170/0x170 [ 256.436130] ? __do_page_cache_readahead+0x7ce/0x980 [ 256.441255] ? find_held_lock+0x36/0x1c0 [ 256.445334] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 256.450896] alloc_pages_current+0x10c/0x210 [ 256.455342] ? lock_downgrade+0x900/0x900 [ 256.459512] __page_cache_alloc+0x38f/0x5b0 [ 256.463847] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.469656] ? kasan_check_read+0x11/0x20 [ 256.473820] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.479169] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 256.483851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.489418] ? check_preemption_disabled+0x48/0x200 [ 256.494454] filemap_fault+0x1594/0x25f0 [ 256.498547] ? __lock_page_or_retry+0xa00/0xa00 [ 256.503229] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.509034] ? kasan_check_read+0x11/0x20 [ 256.513198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.518489] ? ep_scan_ready_list+0xbeb/0x1050 [ 256.523090] ? rcu_bh_qs+0xc0/0xc0 [ 256.526644] ? lock_downgrade+0x900/0x900 [ 256.530815] ? graph_lock+0x170/0x170 [ 256.534693] ? filemap_map_pages+0xdea/0x1980 [ 256.539225] ? find_get_pages_range_tag+0x1320/0x1320 [ 256.544438] ? wait_for_completion+0x8a0/0x8a0 [ 256.549046] ? graph_lock+0x170/0x170 [ 256.552868] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.557472] ? kasan_check_read+0x11/0x20 [ 256.561640] ? ep_scan_ready_list+0xbc7/0x1050 [ 256.566240] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.571725] ? lock_acquire+0x1ed/0x520 [ 256.575714] ? ext4_filemap_fault+0x7a/0xad [ 256.580066] ? lock_release+0x970/0x970 [ 256.584059] ? arch_local_save_flags+0x40/0x40 [ 256.588656] ? ep_poll_callback+0x10e0/0x10e0 [ 256.593178] ? down_read+0xb0/0x1d0 [ 256.596814] ? ext4_filemap_fault+0x7a/0xad [ 256.601149] ? __down_interruptible+0x700/0x700 [ 256.605834] ? get_futex_key+0x21b0/0x21b0 [ 256.610096] ext4_filemap_fault+0x82/0xad [ 256.614405] __do_fault+0x100/0x6b0 [ 256.618046] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.622558] ? print_bad_pte+0x6c0/0x6c0 [ 256.626634] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.631235] ? trace_hardirqs_on+0xbd/0x310 [ 256.635565] ? kasan_check_read+0x11/0x20 [ 256.639725] ? pmd_val+0x88/0x100 [ 256.643193] ? add_mm_counter_fast+0xd0/0xd0 [ 256.647616] ? pmd_val+0x88/0x100 [ 256.651085] ? add_mm_counter_fast+0xd0/0xd0 [ 256.655514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.661070] __handle_mm_fault+0x3709/0x53e0 [ 256.665502] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 256.670363] ? graph_lock+0x170/0x170 [ 256.674179] ? print_usage_bug+0xc0/0xc0 [ 256.678257] ? rcu_bh_qs+0xc0/0xc0 [ 256.681810] ? graph_lock+0x170/0x170 [ 256.685624] ? graph_lock+0x170/0x170 [ 256.689457] ? handle_mm_fault+0x42a/0xc70 [ 256.693704] ? lock_downgrade+0x900/0x900 [ 256.697866] ? check_preemption_disabled+0x48/0x200 [ 256.702926] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.708745] ? kasan_check_read+0x11/0x20 [ 256.712934] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.718239] ? rcu_bh_qs+0xc0/0xc0 [ 256.721794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.727268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.732829] ? check_preemption_disabled+0x48/0x200 [ 256.737875] handle_mm_fault+0x54f/0xc70 [ 256.741988] ? __handle_mm_fault+0x53e0/0x53e0 [ 256.746589] ? find_vma+0x34/0x190 [ 256.750152] __do_page_fault+0x67d/0xed0 [ 256.754299] ? mm_fault_error+0x380/0x380 [ 256.758507] ? trace_hardirqs_off+0xb8/0x310 [ 256.762957] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.768344] ? trace_hardirqs_on+0x310/0x310 [ 256.772777] do_page_fault+0xf2/0x7e0 [ 256.776598] ? vmalloc_sync_all+0x30/0x30 [ 256.780764] ? error_entry+0x70/0xd0 [ 256.784499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.789531] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.794479] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.799427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.804297] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.809329] ? trace_hardirqs_off+0x310/0x310 [ 256.813856] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.818896] ? page_fault+0x8/0x30 [ 256.822483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.827350] ? page_fault+0x8/0x30 [ 256.830929] page_fault+0x1e/0x30 [ 256.834394] RIP: 0033:0x45df89 [ 256.837606] Code: Bad RIP value. [ 256.840980] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 256.846360] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 256.853788] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 256.861068] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 256.868345] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 256.875624] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 256.882957] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 256.883023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.890156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.890165] Call Trace: [ 256.896797] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.906008] [ 256.908591] syz-fuzzer cpuset= [ 256.918827] dump_stack+0x1c4/0x2b4 [ 256.920957] / [ 256.924154] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.927768] mems_allowed=0 [ 256.929491] warn_alloc.cold.119+0xb7/0x1bd [ 256.941930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.946792] ? lock_downgrade+0x900/0x900 [ 256.950977] ? trace_hardirqs_off+0xb8/0x310 [ 256.955403] ? trace_hardirqs_off+0xb8/0x310 [ 256.959844] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.964731] ? warn_alloc+0x120/0x120 [ 256.968544] ? trace_hardirqs_on+0x310/0x310 [ 256.972976] ? warn_alloc+0x120/0x120 [ 256.976794] ? print_usage_bug+0xc0/0xc0 [ 256.980869] ? warn_alloc+0x120/0x120 [ 256.984683] ? ktime_get+0x2e1/0x440 [ 256.988406] ? print_usage_bug+0xc0/0xc0 [ 256.992488] ? __lock_acquire+0x7ec/0x4ec0 [ 256.996738] ? __lock_acquire+0x7ec/0x4ec0 [ 257.000983] ? kasan_check_read+0x11/0x20 [ 257.005145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.010695] ? should_fail+0x22d/0xd01 [ 257.014596] ? rcu_bh_qs+0xc0/0xc0 [ 257.018154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.023268] ? __lock_acquire+0x7ec/0x4ec0 [ 257.027607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.032716] ? __lock_acquire+0x7ec/0x4ec0 [ 257.036965] ? should_fail+0x22d/0xd01 [ 257.040866] ? rcu_idle_enter+0x4b0/0x4b0 [ 257.045034] ? mark_held_locks+0x130/0x130 [ 257.049293] ? mark_held_locks+0x130/0x130 [ 257.053544] ? mark_held_locks+0xc7/0x130 [ 257.057703] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 257.062733] ? graph_lock+0x170/0x170 [ 257.066544] ? print_usage_bug+0xc0/0xc0 [ 257.070620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.076175] ? check_preemption_disabled+0x48/0x200 [ 257.081202] ? check_preemption_disabled+0x48/0x200 [ 257.086238] ? __lock_is_held+0xb5/0x140 [ 257.090320] __alloc_pages_nodemask+0xa80/0xde0 [ 257.095004] ? graph_lock+0x170/0x170 [ 257.098823] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.103849] ? graph_lock+0x170/0x170 [ 257.107726] ? find_held_lock+0x36/0x1c0 [ 257.111809] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.116491] ? lock_downgrade+0x900/0x900 [ 257.120657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.126241] cache_grow_begin+0x91/0x8c0 [ 257.130318] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.134745] fallback_alloc+0x203/0x2e0 [ 257.138794] ____cache_alloc_node+0x1c7/0x1e0 [ 257.143311] kmem_cache_alloc_node+0xe3/0x730 [ 257.147823] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.152081] __alloc_skb+0x119/0x770 [ 257.155808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.161101] ? skb_scrub_packet+0x490/0x490 [ 257.165469] ? lock_downgrade+0x900/0x900 [ 257.169635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.175184] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.180648] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.186112] ? addrconf_rs_timer+0x690/0x690 [ 257.190549] ndisc_alloc_skb+0x144/0x340 [ 257.194630] ndisc_send_rs+0x331/0x6e0 [ 257.198533] addrconf_rs_timer+0x314/0x690 [ 257.202880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.207163] call_timer_fn+0x272/0x920 [ 257.211068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.215316] ? process_timeout+0x40/0x40 [ 257.219386] ? find_held_lock+0x36/0x1c0 [ 257.223473] ? __run_timers+0x7da/0xc70 [ 257.227467] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.231976] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.236484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.240729] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.245327] ? trace_hardirqs_on+0xbd/0x310 [ 257.249660] ? kasan_check_read+0x11/0x20 [ 257.253824] ? __run_timers+0x7da/0xc70 [ 257.257813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.263287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.267540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.271872] __run_timers+0x7e5/0xc70 [ 257.275724] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.281101] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.286136] ? graph_lock+0x170/0x170 [ 257.289969] ? enqueue_hrtimer+0x1a5/0x560 [ 257.294218] ? lock_release+0x970/0x970 [ 257.298205] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.303419] ? find_held_lock+0x36/0x1c0 [ 257.307739] ? graph_lock+0x170/0x170 [ 257.311558] ? pvclock_read_flags+0x160/0x160 [ 257.316065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.321619] ? check_preemption_disabled+0x48/0x200 [ 257.326660] ? __lock_is_held+0xb5/0x140 [ 257.330737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.336287] ? check_preemption_disabled+0x48/0x200 [ 257.341324] run_timer_softirq+0x52/0xb0 [ 257.345398] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.350441] __do_softirq+0x30b/0xad8 [ 257.354268] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.359396] ? pvclock_read_flags+0x160/0x160 [ 257.363928] ? lapic_next_event+0x5a/0x90 [ 257.368089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.373646] ? check_preemption_disabled+0x48/0x200 [ 257.378848] ? check_preemption_disabled+0x48/0x200 [ 257.383884] ? kvm_clock_read+0x18/0x30 [ 257.387890] ? kvm_sched_clock_read+0x9/0x20 [ 257.392331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.397883] ? check_preemption_disabled+0x48/0x200 [ 257.402961] irq_exit+0x17f/0x1c0 [ 257.406436] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.411289] ? smp_reschedule_interrupt+0x109/0x650 [ 257.416321] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.422246] ? interrupt_entry+0xb5/0xf0 [ 257.426325] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.431355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.436384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.441746] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.446771] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.451802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.457354] ? check_preemption_disabled+0x48/0x200 [ 257.462381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.467956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.472820] apic_timer_interrupt+0xf/0x20 [ 257.477058] [ 257.479314] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.484275] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 257.503191] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 257.510930] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.518210] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 257.525494] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 257.532774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.540063] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.547390] skb_clone+0x1bb/0x500 [ 257.550963] ? finish_task_switch+0x1b5/0x900 [ 257.555473] ? skb_split+0x11e0/0x11e0 [ 257.559376] ? preempt_notifier_register+0x200/0x200 [ 257.564491] ? __switch_to_asm+0x34/0x70 [ 257.568560] ? __switch_to_asm+0x34/0x70 [ 257.572628] ? __switch_to_asm+0x40/0x70 [ 257.576695] ? __switch_to_asm+0x34/0x70 [ 257.580763] ? __switch_to_asm+0x40/0x70 [ 257.584830] ? __switch_to_asm+0x34/0x70 [ 257.588901] ? __switch_to_asm+0x40/0x70 [ 257.593005] ? __switch_to_asm+0x34/0x70 [ 257.597089] ? __switch_to_asm+0x34/0x70 [ 257.601164] ? __switch_to_asm+0x40/0x70 [ 257.605237] ? __switch_to_asm+0x34/0x70 [ 257.609318] bpf_clone_redirect+0xb9/0x490 [ 257.613574] ? __schedule+0x874/0x1ed0 [ 257.617480] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 257.622513] ? __sched_text_start+0x8/0x8 [ 257.626693] ? find_held_lock+0x36/0x1c0 [ 257.630773] ? lock_acquire+0x1ed/0x520 [ 257.634758] ? bpf_test_run+0x32e/0x5a0 [ 257.638747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.644299] ? check_preemption_disabled+0x48/0x200 [ 257.649335] ? kasan_check_read+0x11/0x20 [ 257.653501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.658793] ? rcu_bh_qs+0xc0/0xc0 [ 257.662348] ? preempt_schedule+0x4d/0x60 [ 257.666508] ? ___preempt_schedule+0x16/0x18 [ 257.670961] ? bpf_test_run+0x1c0/0x5a0 [ 257.674976] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.679401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.684966] ? bpf_test_init.isra.9+0x70/0x100 [ 257.689565] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.694344] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.699197] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.704744] ? fput+0x130/0x1a0 [ 257.708041] ? __bpf_prog_get+0x9b/0x290 [ 257.712122] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.716982] ? bpf_prog_test_run+0x130/0x1a0 [ 257.721476] ? __x64_sys_bpf+0x3d8/0x510 [ 257.725548] ? bpf_prog_get+0x20/0x20 [ 257.729381] ? do_syscall_64+0x1b9/0x820 [ 257.733454] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.738834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.743779] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.748856] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.753883] ? recalc_sigpending_tsk+0x180/0x180 [ 257.758670] ? kasan_check_write+0x14/0x20 [ 257.762947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.767814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.773204] warn_alloc_show_mem: 1 callbacks suppressed [ 257.773217] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 257.773218] Mem-Info: [ 257.773249] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 257.773249] active_file:13 inactive_file:13 isolated_file:1 [ 257.773249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.773249] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 257.773249] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 257.773249] free:13741 free_pcp:221 free_cma:0 [ 257.778601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.785540] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.787971] Call Trace: [ 257.821074] Node 0 [ 257.830486] [ 257.858349] 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 [ 257.860945] dump_stack+0x1c4/0x2b4 [ 257.863156] lowmem_reserve[]: 0 [ 257.865322] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.890925] 2819 [ 257.894626] warn_alloc.cold.119+0xb7/0x1bd [ 257.897881] 6323 [ 257.903100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.905143] 6323 [ 257.909481] ? lock_downgrade+0x900/0x900 [ 257.911528] Node 0 [ 257.916435] ? trace_hardirqs_off+0xb8/0x310 [ 257.918510] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.922641] ? trace_hardirqs_off+0xb8/0x310 [ 257.924927] lowmem_reserve[]: 0 [ 257.929357] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.956403] 0 [ 257.960842] ? warn_alloc+0x120/0x120 [ 257.964084] 3503 [ 257.968955] ? warn_alloc+0x120/0x120 [ 257.970739] 3503 [ 257.974552] ? print_usage_bug+0xc0/0xc0 [ 257.976601] Node 0 [ 257.980402] ? warn_alloc+0x120/0x120 [ 257.982487] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 257.986528] ? print_usage_bug+0xc0/0xc0 [ 257.988745] lowmem_reserve[]: 0 [ 257.992558] ? warn_alloc+0x120/0x120 [ 258.020999] 0 [ 258.025071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.028326] 0 0 [ 258.032140] ? should_fail+0x22d/0xd01 [ 258.033951] Node 0 [ 258.039493] ? __lock_acquire+0x7ec/0x4ec0 [ 258.041453] DMA: [ 258.045344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.047568] 1*4kB [ 258.051805] ? __lock_acquire+0x7ec/0x4ec0 [ 258.053853] (U) [ 258.058991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.061130] 0*8kB [ 258.065365] ? __lock_acquire+0x7ec/0x4ec0 [ 258.067399] 0*16kB [ 258.072504] ? should_fail+0x22d/0xd01 [ 258.074644] 1*32kB [ 258.078886] ? mark_held_locks+0x130/0x130 [ 258.081103] (U) [ 258.084998] ? mark_held_locks+0x130/0x130 [ 258.087220] 2*64kB [ 258.091459] ? mark_held_locks+0x130/0x130 [ 258.093421] (U) [ 258.097663] ? graph_lock+0x170/0x170 [ 258.099886] 1*128kB [ 258.104145] ? print_usage_bug+0xc0/0xc0 [ 258.106108] (U) [ 258.109936] ? mark_held_locks+0x130/0x130 [ 258.112241] 1*256kB [ 258.116311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.118272] (U) [ 258.122518] ? check_preemption_disabled+0x48/0x200 [ 258.124827] 0*512kB [ 258.130366] ? check_preemption_disabled+0x48/0x200 [ 258.132331] 1*1024kB [ 258.137410] ? __lock_is_held+0xb5/0x140 [ 258.139722] (U) [ 258.144745] __alloc_pages_nodemask+0xa80/0xde0 [ 258.147138] 1*2048kB [ 258.151203] ? graph_lock+0x170/0x170 [ 258.153165] (M) [ 258.157841] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.160239] 3*4096kB [ 258.164040] ? graph_lock+0x170/0x170 [ 258.166008] (M) [ 258.171034] ? find_held_lock+0x36/0x1c0 [ 258.173430] = 15908kB [ 258.177242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.179201] Node 0 [ 258.183265] ? lock_downgrade+0x900/0x900 [ 258.185660] DMA32: [ 258.190336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.192558] 5*4kB [ 258.196709] cache_grow_begin+0x91/0x8c0 [ 258.198945] (UM) [ 258.204486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.206623] 0*8kB [ 258.210866] fallback_alloc+0x203/0x2e0 [ 258.212930] 3*16kB (UM) [ 258.217378] ____cache_alloc_node+0x1c7/0x1e0 [ 258.219516] 2*32kB [ 258.223493] kmem_cache_alloc_node+0xe3/0x730 [ 258.226151] (M) [ 258.230655] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.232880] 5*64kB [ 258.237506] __alloc_skb+0x119/0x770 [ 258.239460] (UM) [ 258.243698] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.246107] 3*128kB [ 258.249984] ? skb_scrub_packet+0x490/0x490 [ 258.252036] (M) [ 258.257316] ? lock_downgrade+0x900/0x900 [ 258.259622] 3*256kB (M) [ 258.263985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.265964] 4*512kB [ 258.270116] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.272775] (UM) [ 258.278314] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.280627] 3*1024kB [ 258.286080] ? addrconf_rs_timer+0x690/0x690 [ 258.288129] (UM) [ 258.293590] ndisc_alloc_skb+0x144/0x340 [ 258.296044] 1*2048kB [ 258.300462] ndisc_send_rs+0x331/0x6e0 [ 258.302514] (M) [ 258.306581] addrconf_rs_timer+0x314/0x690 [ 258.308976] 4*4096kB [ 258.312871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.314829] (M) [ 258.319076] call_timer_fn+0x272/0x920 [ 258.321465] = 25156kB [ 258.325703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.327664] Node 0 [ 258.331554] ? process_timeout+0x40/0x40 [ 258.333974] Normal: [ 258.338231] ? find_held_lock+0x36/0x1c0 [ 258.340456] 1005*4kB [ 258.344531] ? mark_held_locks+0xc7/0x130 [ 258.346838] (MEH) [ 258.350902] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.353321] 451*8kB [ 258.357482] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.359621] (ME) [ 258.364125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.366441] 184*16kB [ 258.370960] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.373010] (UME) [ 258.377247] ? trace_hardirqs_on+0xbd/0x310 [ 258.379641] 94*32kB (UME) [ 258.384233] ? kasan_check_read+0x11/0x20 [ 258.386375] 5*64kB [ 258.390700] ? __run_timers+0x7da/0xc70 [ 258.393528] (UM) [ 258.397683] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.399931] 0*128kB [ 258.403932] ? tcp_compressed_ack_kick+0x220/0x220 [ 258.405979] 0*256kB [ 258.411437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.413749] 0*512kB [ 258.418682] __run_timers+0x7e5/0xc70 [ 258.420991] 0*1024kB [ 258.425238] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.427545] 0*2048kB [ 258.431349] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.433745] 0*4096kB [ 258.439114] ? graph_lock+0x170/0x170 [ 258.441515] = 13900kB [ 258.446581] ? print_usage_bug+0xc0/0xc0 [ 258.448991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.452788] ? lock_release+0x970/0x970 [ 258.455189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.459250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.468075] 4241 total pagecache pages [ 258.472058] ? find_held_lock+0x36/0x1c0 [ 258.480621] 0 pages in swap cache [ 258.485960] ? graph_lock+0x170/0x170 [ 258.489835] Swap cache stats: add 0, delete 0, find 0/0 [ 258.493899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.497359] Free swap = 0kB [ 258.501164] ? check_preemption_disabled+0x48/0x200 [ 258.506515] Total swap = 0kB [ 258.512061] ? __lock_is_held+0xb5/0x140 [ 258.515063] 1965979 pages RAM [ 258.520086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.523093] 0 pages HighMem/MovableOnly [ 258.527162] ? check_preemption_disabled+0x48/0x200 [ 258.530248] 342307 pages reserved [ 258.530256] 0 pages cma reserved [ 258.535805] run_timer_softirq+0x52/0xb0 [ 258.539827] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.544784] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.544802] __do_softirq+0x30b/0xad8 [ 258.544827] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.548322] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.551644] ? pvclock_read_flags+0x160/0x160 [ 258.555689] syz-executor5 cpuset= [ 258.562182] ? lapic_next_event+0x5a/0x90 [ 258.567239] syz5 [ 258.571053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.576142] mems_allowed=0 [ 258.586637] ? check_preemption_disabled+0x48/0x200 [ 258.614164] ? check_preemption_disabled+0x48/0x200 [ 258.619203] ? kvm_clock_read+0x18/0x30 [ 258.623187] ? kvm_sched_clock_read+0x9/0x20 [ 258.627611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.633164] ? check_preemption_disabled+0x48/0x200 [ 258.638207] irq_exit+0x17f/0x1c0 [ 258.641682] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.646533] ? smp_reschedule_interrupt+0x109/0x650 [ 258.651568] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.657465] ? interrupt_entry+0xb5/0xf0 [ 258.661545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.666570] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.671600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.676459] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.681486] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.686518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.692068] ? check_preemption_disabled+0x48/0x200 [ 258.697095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.702656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.707519] apic_timer_interrupt+0xf/0x20 [ 258.711758] [ 258.714021] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 258.719054] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 258.737977] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 258.745697] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 258.752980] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 258.760258] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 258.767538] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 258.774814] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 258.782112] ? list_lru_count_one+0x36d/0x450 [ 258.786617] ? list_lru_count_one+0x260/0x450 [ 258.791138] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.796961] ? kasan_check_read+0x11/0x20 [ 258.801125] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.806417] ? rcu_bh_qs+0xc0/0xc0 [ 258.809990] list_lru_count_one+0x265/0x450 [ 258.814321] ? list_lru_add+0x980/0x980 [ 258.818313] ? deferred_split_count+0x65/0x170 [ 258.822903] ? shrink_huge_zero_page_count+0xc8/0x100 [ 258.828135] super_cache_count+0x153/0x2e0 [ 258.832388] do_shrink_slab+0x1a7/0xd20 [ 258.836384] ? lock_release+0x970/0x970 [ 258.840404] ? snapshot_refaults+0x290/0x290 [ 258.844860] ? ___might_sleep+0x1ed/0x300 [ 258.849032] ? down_read_trylock+0xff/0x1e0 [ 258.853361] ? shrink_slab+0x207/0x8c0 [ 258.857265] ? downgrade_write+0x2b0/0x2b0 [ 258.861516] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.867071] ? shrink_node_memcg+0xc82/0x18e0 [ 258.871591] shrink_slab+0x389/0x8c0 [ 258.875317] ? shrink_active_list+0x1c20/0x1c20 [ 258.880017] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 258.885656] ? kasan_check_read+0x11/0x20 [ 258.890000] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.894427] ? ___preempt_schedule+0x16/0x18 [ 258.898858] ? _raw_spin_unlock+0x3f/0x50 [ 258.903027] shrink_node+0x431/0x16b0 [ 258.906845] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 258.912162] ? shrink_node_memcg+0x18e0/0x18e0 [ 258.916755] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.921419] ? trace_hardirqs_on+0xbd/0x310 [ 258.925752] ? vmpressure+0x271/0x340 [ 258.929571] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 258.934175] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.939726] ? __cpuset_node_allowed+0x19b/0x660 [ 258.944495] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 258.950217] ? vmpressure+0x1a2/0x340 [ 258.954039] do_try_to_free_pages+0x3e7/0x1290 [ 258.958651] ? shrink_node+0x16b0/0x16b0 [ 258.962728] ? __lock_is_held+0xb5/0x140 [ 258.966812] try_to_free_pages+0x4d0/0xb90 [ 258.971063] ? do_try_to_free_pages+0x1290/0x1290 [ 258.975944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.981512] ? lock_acquire+0x1ed/0x520 [ 258.985502] ? set_page_refcounted+0x280/0x280 [ 258.990102] ? lock_release+0x970/0x970 [ 258.994092] ? ___might_sleep+0x1ed/0x300 [ 258.998252] ? arch_local_save_flags+0x40/0x40 [ 259.002861] __alloc_pages_slowpath+0x993/0x2d80 [ 259.007661] ? warn_alloc+0x120/0x120 [ 259.011475] ? __radix_tree_lookup+0x4c0/0x4c0 [ 259.016079] ? find_get_entry+0x2f2/0xc40 [ 259.020252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.025802] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 259.030747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.036296] ? should_fail+0x22d/0xd01 [ 259.040198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.045314] ? __lock_is_held+0xb5/0x140 [ 259.049414] ? __lock_is_held+0xb5/0x140 [ 259.053495] ? __lock_acquire+0x7ec/0x4ec0 [ 259.057742] ? ___might_sleep+0x1ed/0x300 [ 259.061896] ? lock_release+0x970/0x970 [ 259.065929] ? arch_local_save_flags+0x40/0x40 [ 259.070534] ? __might_sleep+0x95/0x190 [ 259.074528] __alloc_pages_nodemask+0xa80/0xde0 [ 259.079214] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.084244] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.090049] ? kasan_check_read+0x11/0x20 [ 259.094213] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.099501] ? graph_lock+0x170/0x170 [ 259.103316] ? print_usage_bug+0xc0/0xc0 [ 259.107393] ? graph_lock+0x170/0x170 [ 259.111202] ? graph_lock+0x170/0x170 [ 259.115067] ? __do_page_cache_readahead+0x7ce/0x980 [ 259.120192] ? find_held_lock+0x36/0x1c0 [ 259.124269] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.129822] alloc_pages_current+0x10c/0x210 [ 259.134237] ? lock_downgrade+0x900/0x900 [ 259.138412] __page_cache_alloc+0x38f/0x5b0 [ 259.142798] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.148604] ? kasan_check_read+0x11/0x20 [ 259.152767] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.158057] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 259.162743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.168297] ? check_preemption_disabled+0x48/0x200 [ 259.173335] filemap_fault+0x1594/0x25f0 [ 259.177424] ? __lock_page_or_retry+0xa00/0xa00 [ 259.182109] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.187936] ? kasan_check_read+0x11/0x20 [ 259.192101] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.197385] ? ep_scan_ready_list+0xbeb/0x1050 [ 259.201978] ? rcu_bh_qs+0xc0/0xc0 [ 259.205526] ? lock_downgrade+0x900/0x900 [ 259.209686] ? graph_lock+0x170/0x170 [ 259.213506] ? filemap_map_pages+0xdea/0x1980 [ 259.218088] ? find_get_pages_range_tag+0x1320/0x1320 [ 259.223423] ? wait_for_completion+0x8a0/0x8a0 [ 259.228024] ? graph_lock+0x170/0x170 [ 259.231843] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.236436] ? kasan_check_read+0x11/0x20 [ 259.240595] ? ep_scan_ready_list+0xbc7/0x1050 [ 259.245189] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.250712] ? lock_acquire+0x1ed/0x520 [ 259.254698] ? ext4_filemap_fault+0x7a/0xad [ 259.259040] ? lock_release+0x970/0x970 [ 259.263026] ? arch_local_save_flags+0x40/0x40 [ 259.267620] ? ep_poll_callback+0x10e0/0x10e0 [ 259.272143] ? down_read+0xb0/0x1d0 [ 259.275779] ? ext4_filemap_fault+0x7a/0xad [ 259.280136] ? __down_interruptible+0x700/0x700 [ 259.284820] ? get_futex_key+0x21b0/0x21b0 [ 259.289136] ext4_filemap_fault+0x82/0xad [ 259.293303] __do_fault+0x100/0x6b0 [ 259.296962] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.301473] ? print_bad_pte+0x6c0/0x6c0 [ 259.305550] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.310677] ? trace_hardirqs_on+0xbd/0x310 [ 259.315014] ? kasan_check_read+0x11/0x20 [ 259.319185] ? pmd_val+0x88/0x100 [ 259.322664] ? add_mm_counter_fast+0xd0/0xd0 [ 259.327099] ? pmd_val+0x88/0x100 [ 259.330619] ? add_mm_counter_fast+0xd0/0xd0 [ 259.335057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.340623] __handle_mm_fault+0x3709/0x53e0 [ 259.345120] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 259.349989] ? graph_lock+0x170/0x170 [ 259.353814] ? print_usage_bug+0xc0/0xc0 [ 259.357898] ? rcu_bh_qs+0xc0/0xc0 [ 259.361487] ? graph_lock+0x170/0x170 [ 259.365307] ? graph_lock+0x170/0x170 [ 259.369149] ? handle_mm_fault+0x42a/0xc70 [ 259.373412] ? lock_downgrade+0x900/0x900 [ 259.377574] ? check_preemption_disabled+0x48/0x200 [ 259.382613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.388425] ? kasan_check_read+0x11/0x20 [ 259.392589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.397878] ? rcu_bh_qs+0xc0/0xc0 [ 259.401454] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.406943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.412515] ? check_preemption_disabled+0x48/0x200 [ 259.417554] handle_mm_fault+0x54f/0xc70 [ 259.421633] ? __handle_mm_fault+0x53e0/0x53e0 [ 259.426230] ? find_vma+0x34/0x190 [ 259.429848] __do_page_fault+0x67d/0xed0 [ 259.433956] ? mm_fault_error+0x380/0x380 [ 259.438402] ? trace_hardirqs_off+0xb8/0x310 [ 259.442819] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.448199] ? trace_hardirqs_on+0x310/0x310 [ 259.452629] do_page_fault+0xf2/0x7e0 [ 259.456445] ? vmalloc_sync_all+0x30/0x30 [ 259.460626] ? error_entry+0x70/0xd0 [ 259.464357] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.469384] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.474327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.479266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.484127] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.489157] ? trace_hardirqs_off+0x310/0x310 [ 259.493672] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.498703] ? page_fault+0x8/0x30 [ 259.502260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.507121] ? page_fault+0x8/0x30 [ 259.510678] page_fault+0x1e/0x30 [ 259.514147] RIP: 0033:0x45df89 [ 259.517357] Code: Bad RIP value. [ 259.520739] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 259.526119] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 259.533398] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 259.540680] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 259.547964] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 259.555336] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 259.562648] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 259.562713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.569849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.569857] Call Trace: [ 259.576470] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.585804] [ 259.588442] syz-fuzzer cpuset= [ 259.598679] dump_stack+0x1c4/0x2b4 [ 259.600810] / [ 259.604011] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.607627] mems_allowed=0 [ 259.609355] warn_alloc.cold.119+0xb7/0x1bd [ 259.621794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.626680] ? lock_downgrade+0x900/0x900 [ 259.630853] ? trace_hardirqs_off+0xb8/0x310 [ 259.635342] ? trace_hardirqs_off+0xb8/0x310 [ 259.639782] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.644678] ? warn_alloc+0x120/0x120 [ 259.648498] ? lock_release+0x970/0x970 [ 259.652496] ? warn_alloc+0x120/0x120 [ 259.656315] ? print_usage_bug+0xc0/0xc0 [ 259.660396] ? warn_alloc+0x120/0x120 [ 259.664219] ? print_usage_bug+0xc0/0xc0 [ 259.668298] ? __lock_acquire+0x7ec/0x4ec0 [ 259.672547] ? __lock_acquire+0x7ec/0x4ec0 [ 259.676810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.682368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.687947] ? should_fail+0x22d/0xd01 [ 259.691863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.696990] ? __lock_acquire+0x7ec/0x4ec0 [ 259.701245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.706366] ? __lock_acquire+0x7ec/0x4ec0 [ 259.710615] ? should_fail+0x22d/0xd01 [ 259.714531] ? mark_held_locks+0x130/0x130 [ 259.718786] ? mark_held_locks+0x130/0x130 [ 259.723041] ? graph_lock+0x170/0x170 [ 259.726853] ? print_usage_bug+0xc0/0xc0 [ 259.730950] ? graph_lock+0x170/0x170 [ 259.734762] ? print_usage_bug+0xc0/0xc0 [ 259.738835] ? wq_watchdog_touch+0x9c/0xfe [ 259.743089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.748646] ? check_preemption_disabled+0x48/0x200 [ 259.753673] ? check_preemption_disabled+0x48/0x200 [ 259.758712] ? __lock_is_held+0xb5/0x140 [ 259.762797] __alloc_pages_nodemask+0xa80/0xde0 [ 259.767479] ? graph_lock+0x170/0x170 [ 259.771297] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.776323] ? graph_lock+0x170/0x170 [ 259.780149] ? find_held_lock+0x36/0x1c0 [ 259.784233] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.788935] ? lock_downgrade+0x900/0x900 [ 259.793110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.798811] cache_grow_begin+0x91/0x8c0 [ 259.802888] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.807358] fallback_alloc+0x203/0x2e0 [ 259.811352] ____cache_alloc_node+0x1c7/0x1e0 [ 259.815866] kmem_cache_alloc_node+0xe3/0x730 [ 259.820376] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.824634] __alloc_skb+0x119/0x770 [ 259.828362] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.833657] ? skb_scrub_packet+0x490/0x490 [ 259.837998] ? lock_downgrade+0x900/0x900 [ 259.842167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.847722] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.853194] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.858657] ? addrconf_rs_timer+0x690/0x690 [ 259.863091] ndisc_alloc_skb+0x144/0x340 [ 259.867174] ndisc_send_rs+0x331/0x6e0 [ 259.871081] addrconf_rs_timer+0x314/0x690 [ 259.875337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.879604] call_timer_fn+0x272/0x920 [ 259.883508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.887846] ? process_timeout+0x40/0x40 [ 259.891938] ? find_held_lock+0x36/0x1c0 [ 259.896029] ? __run_timers+0x7da/0xc70 [ 259.900021] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.904528] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.909040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.913291] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.917892] ? trace_hardirqs_on+0xbd/0x310 [ 259.922245] ? kasan_check_read+0x11/0x20 [ 259.926493] ? __run_timers+0x7da/0xc70 [ 259.930482] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.935967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.940222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.944476] __run_timers+0x7e5/0xc70 [ 259.948318] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.953703] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.958742] ? graph_lock+0x170/0x170 [ 259.962565] ? enqueue_hrtimer+0x1a5/0x560 [ 259.966816] ? lock_release+0x970/0x970 [ 259.970807] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.976024] ? find_held_lock+0x36/0x1c0 [ 259.980105] ? graph_lock+0x170/0x170 [ 259.983940] ? pvclock_read_flags+0x160/0x160 [ 259.988459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.994016] ? check_preemption_disabled+0x48/0x200 [ 259.999060] ? __lock_is_held+0xb5/0x140 [ 260.003197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.008761] ? check_preemption_disabled+0x48/0x200 [ 260.013903] run_timer_softirq+0x52/0xb0 [ 260.018009] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.023049] __do_softirq+0x30b/0xad8 [ 260.026879] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.032033] ? pvclock_read_flags+0x160/0x160 [ 260.036545] ? lapic_next_event+0x5a/0x90 [ 260.040712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.046266] ? check_preemption_disabled+0x48/0x200 [ 260.051296] ? check_preemption_disabled+0x48/0x200 [ 260.056333] ? kvm_clock_read+0x18/0x30 [ 260.060319] ? kvm_sched_clock_read+0x9/0x20 [ 260.064798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.070352] ? check_preemption_disabled+0x48/0x200 [ 260.075395] irq_exit+0x17f/0x1c0 [ 260.078875] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.083761] ? smp_reschedule_interrupt+0x109/0x650 [ 260.088792] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.094692] ? interrupt_entry+0xb5/0xf0 [ 260.098769] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.103800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.108831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.113687] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.118710] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.123746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.129300] ? check_preemption_disabled+0x48/0x200 [ 260.134335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.139991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.144857] apic_timer_interrupt+0xf/0x20 [ 260.149098] [ 260.151350] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.156292] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 260.175217] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.183101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.190389] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 260.197681] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 260.204971] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.212267] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.219693] skb_clone+0x1bb/0x500 [ 260.223254] ? finish_task_switch+0x1b5/0x900 [ 260.227771] ? skb_split+0x11e0/0x11e0 [ 260.231670] ? preempt_notifier_register+0x200/0x200 [ 260.236797] ? __switch_to_asm+0x34/0x70 [ 260.240873] ? __switch_to_asm+0x34/0x70 [ 260.244965] ? __switch_to_asm+0x40/0x70 [ 260.249041] ? __switch_to_asm+0x34/0x70 [ 260.253213] ? __switch_to_asm+0x40/0x70 [ 260.257287] ? __switch_to_asm+0x34/0x70 [ 260.261362] ? __switch_to_asm+0x40/0x70 [ 260.265445] ? __switch_to_asm+0x34/0x70 [ 260.269522] ? __switch_to_asm+0x34/0x70 [ 260.273594] ? __switch_to_asm+0x40/0x70 [ 260.277663] ? __switch_to_asm+0x34/0x70 [ 260.281747] bpf_clone_redirect+0xb9/0x490 [ 260.286014] ? __schedule+0x874/0x1ed0 [ 260.289960] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 260.294998] ? __sched_text_start+0x8/0x8 [ 260.299173] ? find_held_lock+0x36/0x1c0 [ 260.303253] ? lock_acquire+0x1ed/0x520 [ 260.307240] ? bpf_test_run+0x32e/0x5a0 [ 260.311231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.316783] ? check_preemption_disabled+0x48/0x200 [ 260.321818] ? kasan_check_read+0x11/0x20 [ 260.325985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.331328] ? rcu_bh_qs+0xc0/0xc0 [ 260.334883] ? preempt_schedule+0x4d/0x60 [ 260.339068] ? ___preempt_schedule+0x16/0x18 [ 260.343501] ? bpf_test_run+0x1c0/0x5a0 [ 260.347500] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.351960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.357600] ? bpf_test_init.isra.9+0x70/0x100 [ 260.362201] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.367043] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.371899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.377465] ? fput+0x130/0x1a0 [ 260.380760] ? __bpf_prog_get+0x9b/0x290 [ 260.384832] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.389683] ? bpf_prog_test_run+0x130/0x1a0 [ 260.394162] ? __x64_sys_bpf+0x3d8/0x510 [ 260.398241] ? bpf_prog_get+0x20/0x20 [ 260.402079] ? do_syscall_64+0x1b9/0x820 [ 260.406149] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.411527] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.416472] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.421502] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.426534] ? recalc_sigpending_tsk+0x180/0x180 [ 260.431302] ? kasan_check_write+0x14/0x20 [ 260.435556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.440425] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.445816] warn_alloc_show_mem: 1 callbacks suppressed [ 260.445828] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 260.445830] Mem-Info: [ 260.445861] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 260.445861] active_file:13 inactive_file:13 isolated_file:1 [ 260.445861] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.445861] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 260.445861] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 260.445861] free:13741 free_pcp:221 free_cma:0 [ 260.451213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.458243] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.460651] Call Trace: [ 260.493787] Node 0 [ 260.503163] [ 260.531033] 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 [ 260.533630] dump_stack+0x1c4/0x2b4 [ 260.535837] lowmem_reserve[]: 0 [ 260.538003] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.563492] 2819 [ 260.567141] warn_alloc.cold.119+0xb7/0x1bd [ 260.570390] 6323 [ 260.575588] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.577633] 6323 [ 260.582056] ? lock_downgrade+0x900/0x900 [ 260.588969] ? trace_hardirqs_off+0xb8/0x310 [ 260.591070] Node 0 [ 260.595228] ? trace_hardirqs_off+0xb8/0x310 [ 260.599650] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.601872] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.606252] lowmem_reserve[]: 0 [ 260.633361] ? warn_alloc+0x120/0x120 [ 260.638160] 0 [ 260.641452] ? trace_hardirqs_on+0x310/0x310 [ 260.645237] 3503 [ 260.647049] ? warn_alloc+0x120/0x120 [ 260.651441] 3503 [ 260.653510] ? print_usage_bug+0xc0/0xc0 [ 260.659359] ? warn_alloc+0x120/0x120 [ 260.663405] Node 0 [ 260.667208] ? ktime_get+0x2e1/0x440 [ 260.667244] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 260.669461] ? print_usage_bug+0xc0/0xc0 [ 260.673162] lowmem_reserve[]: [ 260.701631] ? __lock_acquire+0x7ec/0x4ec0 [ 260.705679] 0 [ 260.708788] ? __lock_acquire+0x7ec/0x4ec0 [ 260.713012] 0 [ 260.714819] ? kasan_check_read+0x11/0x20 [ 260.719045] 0 [ 260.720858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.724988] 0 [ 260.726803] ? should_fail+0x22d/0xd01 [ 260.732323] Node 0 [ 260.734134] ? rcu_bh_qs+0xc0/0xc0 [ 260.738007] DMA: [ 260.740253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.743777] 1*4kB [ 260.745847] ? __lock_acquire+0x7ec/0x4ec0 [ 260.750951] (U) [ 260.753111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.757330] 0*8kB [ 260.759308] ? __lock_acquire+0x7ec/0x4ec0 [ 260.764400] 0*16kB [ 260.766570] ? should_fail+0x22d/0xd01 [ 260.770791] 1*32kB [ 260.773037] ? rcu_idle_enter+0x4b0/0x4b0 [ 260.776930] (U) [ 260.779175] ? mark_held_locks+0x130/0x130 [ 260.783306] 2*64kB (U) [ 260.785300] ? mark_held_locks+0x130/0x130 [ 260.789522] 1*128kB [ 260.792111] ? mark_held_locks+0xc7/0x130 [ 260.796333] (U) [ 260.798668] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 260.802798] 1*256kB [ 260.804778] ? graph_lock+0x170/0x170 [ 260.809781] (U) [ 260.812109] ? print_usage_bug+0xc0/0xc0 [ 260.815897] 0*512kB [ 260.817927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.821974] 1*1024kB [ 260.824306] ? check_preemption_disabled+0x48/0x200 [ 260.829825] (U) [ 260.832242] ? check_preemption_disabled+0x48/0x200 [ 260.837298] 1*2048kB [ 260.839284] ? __lock_is_held+0xb5/0x140 [ 260.844325] (M) [ 260.846747] __alloc_pages_nodemask+0xa80/0xde0 [ 260.850794] 3*4096kB [ 260.852773] ? graph_lock+0x170/0x170 [ 260.857430] (M) [ 260.859850] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.863635] = 15908kB [ 260.865670] ? graph_lock+0x170/0x170 [ 260.870675] Node 0 [ 260.873186] ? find_held_lock+0x36/0x1c0 [ 260.876971] DMA32: [ 260.879219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.883259] 5*4kB [ 260.885497] ? lock_downgrade+0x900/0x900 [ 260.890153] (UM) [ 260.892313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.896441] 0*8kB 3*16kB [ 260.898519] cache_grow_begin+0x91/0x8c0 [ 260.904032] (UM) 2*32kB [ 260.906804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.910852] (M) [ 260.913536] fallback_alloc+0x203/0x2e0 [ 260.917947] 5*64kB [ 260.919952] ____cache_alloc_node+0x1c7/0x1e0 [ 260.923934] (UM) [ 260.926188] kmem_cache_alloc_node+0xe3/0x730 [ 260.930686] 3*128kB [ 260.932757] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.937237] (M) [ 260.939570] __alloc_skb+0x119/0x770 [ 260.943784] 3*256kB [ 260.945765] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.949478] (M) [ 260.951808] ? skb_scrub_packet+0x490/0x490 [ 260.957074] 4*512kB [ 260.959054] ? lock_downgrade+0x900/0x900 [ 260.963357] (UM) [ 260.965692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.969822] 3*1024kB [ 260.971891] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.977423] (UM) [ 260.979847] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.985286] 1*2048kB [ 260.987356] ? addrconf_rs_timer+0x690/0x690 [ 260.992791] (M) [ 260.995214] ndisc_alloc_skb+0x144/0x340 [ 260.999602] 4*4096kB [ 261.001586] ndisc_send_rs+0x331/0x6e0 [ 261.005631] (M) [ 261.008053] addrconf_rs_timer+0x314/0x690 [ 261.011939] = 25156kB [ 261.013946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.018162] Node 0 [ 261.020583] call_timer_fn+0x272/0x920 [ 261.024846] Normal: [ 261.027087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.030961] 1005*4kB [ 261.033302] ? process_timeout+0x40/0x40 [ 261.037520] (MEH) [ 261.039967] ? find_held_lock+0x36/0x1c0 [ 261.044013] 451*8kB [ 261.046170] ? mark_held_locks+0xc7/0x130 [ 261.050214] (ME) [ 261.052543] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.056676] 184*16kB [ 261.058742] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.063220] (UME) [ 261.065640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.070120] 94*32kB [ 261.072274] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.076491] (UME) [ 261.078822] ? trace_hardirqs_on+0xbd/0x310 [ 261.083387] 5*64kB [ 261.085544] ? kasan_check_read+0x11/0x20 [ 261.089850] (UM) [ 261.092093] ? __run_timers+0x7da/0xc70 [ 261.096229] 0*128kB [ 261.098296] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.102253] 0*256kB [ 261.104585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.110027] 0*512kB [ 261.112355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.116574] 0*1024kB [ 261.118928] __run_timers+0x7e5/0xc70 [ 261.123148] 0*2048kB [ 261.125624] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.129405] 0*4096kB [ 261.131823] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.137172] = 13900kB [ 261.139587] ? graph_lock+0x170/0x170 [ 261.144595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.147009] ? print_usage_bug+0xc0/0xc0 [ 261.150800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.159632] ? lock_release+0x970/0x970 [ 261.163678] 4241 total pagecache pages [ 261.172254] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.176221] 0 pages in swap cache [ 261.180108] ? find_held_lock+0x36/0x1c0 [ 261.185286] Swap cache stats: add 0, delete 0, find 0/0 [ 261.188736] ? graph_lock+0x170/0x170 [ 261.192782] Free swap = 0kB [ 261.198150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.201955] Total swap = 0kB [ 261.204981] ? check_preemption_disabled+0x48/0x200 [ 261.210500] 1965979 pages RAM [ 261.213529] ? __lock_is_held+0xb5/0x140 [ 261.218523] 0 pages HighMem/MovableOnly [ 261.221631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.225678] 342307 pages reserved [ 261.229661] ? check_preemption_disabled+0x48/0x200 [ 261.235191] 0 pages cma reserved [ 261.238654] run_timer_softirq+0x52/0xb0 [ 261.243715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.247040] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.251172] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.257586] __do_softirq+0x30b/0xad8 [ 261.262592] syz-executor5 cpuset= [ 261.273091] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.276871] syz5 [ 261.280328] ? pvclock_read_flags+0x160/0x160 [ 261.285423] mems_allowed=0 [ 261.287395] ? lapic_next_event+0x5a/0x90 [ 261.298970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.304521] ? check_preemption_disabled+0x48/0x200 [ 261.310072] ? check_preemption_disabled+0x48/0x200 [ 261.315105] ? kvm_clock_read+0x18/0x30 [ 261.319088] ? kvm_sched_clock_read+0x9/0x20 [ 261.323510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.329062] ? check_preemption_disabled+0x48/0x200 [ 261.334103] irq_exit+0x17f/0x1c0 [ 261.337569] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.342421] ? smp_reschedule_interrupt+0x109/0x650 [ 261.347452] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.353346] ? interrupt_entry+0xb5/0xf0 [ 261.357422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.362451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.367479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.372332] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.377357] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.382650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.388201] ? check_preemption_disabled+0x48/0x200 [ 261.393230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.398791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.403661] apic_timer_interrupt+0xf/0x20 [ 261.407901] [ 261.410239] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 261.415266] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 261.434188] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 261.442291] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 261.449572] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 261.456849] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 261.464133] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 261.471413] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 261.478715] ? list_lru_count_one+0x36d/0x450 [ 261.483222] ? list_lru_count_one+0x260/0x450 [ 261.487744] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.493549] ? kasan_check_read+0x11/0x20 [ 261.497729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.503023] ? rcu_bh_qs+0xc0/0xc0 [ 261.506591] list_lru_count_one+0x265/0x450 [ 261.510948] ? list_lru_add+0x980/0x980 [ 261.514975] ? deferred_split_count+0x65/0x170 [ 261.519570] ? shrink_huge_zero_page_count+0xc8/0x100 [ 261.524777] super_cache_count+0x153/0x2e0 [ 261.529031] do_shrink_slab+0x1a7/0xd20 [ 261.533022] ? lock_release+0x970/0x970 [ 261.537012] ? snapshot_refaults+0x290/0x290 [ 261.541495] ? ___might_sleep+0x1ed/0x300 [ 261.545660] ? down_read_trylock+0xff/0x1e0 [ 261.550020] ? shrink_slab+0x207/0x8c0 [ 261.553941] ? downgrade_write+0x2b0/0x2b0 [ 261.558192] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.563741] ? shrink_node_memcg+0xc82/0x18e0 [ 261.568274] shrink_slab+0x389/0x8c0 [ 261.572001] ? shrink_active_list+0x1c20/0x1c20 [ 261.576692] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 261.582330] ? kasan_check_read+0x11/0x20 [ 261.586494] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.590947] ? ___preempt_schedule+0x16/0x18 [ 261.595380] ? _raw_spin_unlock+0x3f/0x50 [ 261.599547] shrink_node+0x431/0x16b0 [ 261.603361] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 261.608677] ? shrink_node_memcg+0x18e0/0x18e0 [ 261.613269] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.617864] ? trace_hardirqs_on+0xbd/0x310 [ 261.622197] ? vmpressure+0x271/0x340 [ 261.626015] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 261.630667] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.636215] ? __cpuset_node_allowed+0x19b/0x660 [ 261.640991] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 261.646713] ? vmpressure+0x1a2/0x340 [ 261.650537] do_try_to_free_pages+0x3e7/0x1290 [ 261.655149] ? shrink_node+0x16b0/0x16b0 [ 261.659228] ? __lock_is_held+0xb5/0x140 [ 261.663315] try_to_free_pages+0x4d0/0xb90 [ 261.667568] ? do_try_to_free_pages+0x1290/0x1290 [ 261.672422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.678067] ? lock_acquire+0x1ed/0x520 [ 261.682059] ? set_page_refcounted+0x280/0x280 [ 261.686749] ? lock_release+0x970/0x970 [ 261.690741] ? ___might_sleep+0x1ed/0x300 [ 261.694904] ? arch_local_save_flags+0x40/0x40 [ 261.699535] __alloc_pages_slowpath+0x993/0x2d80 [ 261.704334] ? warn_alloc+0x120/0x120 [ 261.708148] ? __radix_tree_lookup+0x4c0/0x4c0 [ 261.712757] ? find_get_entry+0x2f2/0xc40 [ 261.716948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.722499] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 261.727442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.732992] ? should_fail+0x22d/0xd01 [ 261.736895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.742056] ? __lock_is_held+0xb5/0x140 [ 261.746159] ? __lock_is_held+0xb5/0x140 [ 261.750241] ? __lock_acquire+0x7ec/0x4ec0 [ 261.754491] ? ___might_sleep+0x1ed/0x300 [ 261.758651] ? lock_release+0x970/0x970 [ 261.762635] ? arch_local_save_flags+0x40/0x40 [ 261.767242] ? __might_sleep+0x95/0x190 [ 261.771237] __alloc_pages_nodemask+0xa80/0xde0 [ 261.775952] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.780989] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.786794] ? kasan_check_read+0x11/0x20 [ 261.790967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.796262] ? graph_lock+0x170/0x170 [ 261.800078] ? print_usage_bug+0xc0/0xc0 [ 261.804152] ? graph_lock+0x170/0x170 [ 261.807964] ? graph_lock+0x170/0x170 [ 261.811777] ? __do_page_cache_readahead+0x7ce/0x980 [ 261.816896] ? find_held_lock+0x36/0x1c0 [ 261.821012] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 261.826566] alloc_pages_current+0x10c/0x210 [ 261.831039] ? lock_downgrade+0x900/0x900 [ 261.835205] __page_cache_alloc+0x38f/0x5b0 [ 261.839543] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.845353] ? kasan_check_read+0x11/0x20 [ 261.849517] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.854809] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 261.859498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.865051] ? check_preemption_disabled+0x48/0x200 [ 261.870089] filemap_fault+0x1594/0x25f0 [ 261.874173] ? __lock_page_or_retry+0xa00/0xa00 [ 261.878854] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.884662] ? kasan_check_read+0x11/0x20 [ 261.888823] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.894110] ? ep_scan_ready_list+0xbeb/0x1050 [ 261.898707] ? rcu_bh_qs+0xc0/0xc0 [ 261.902256] ? lock_downgrade+0x900/0x900 [ 261.906436] ? graph_lock+0x170/0x170 [ 261.910258] ? filemap_map_pages+0xdea/0x1980 [ 261.914783] ? find_get_pages_range_tag+0x1320/0x1320 [ 261.919992] ? wait_for_completion+0x8a0/0x8a0 [ 261.924591] ? graph_lock+0x170/0x170 [ 261.928410] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.933012] ? kasan_check_read+0x11/0x20 [ 261.937171] ? ep_scan_ready_list+0xbc7/0x1050 [ 261.941766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.947242] ? lock_acquire+0x1ed/0x520 [ 261.951224] ? ext4_filemap_fault+0x7a/0xad [ 261.955564] ? lock_release+0x970/0x970 [ 261.959549] ? arch_local_save_flags+0x40/0x40 [ 261.964146] ? ep_poll_callback+0x10e0/0x10e0 [ 261.968673] ? down_read+0xb0/0x1d0 [ 261.972400] ? ext4_filemap_fault+0x7a/0xad [ 261.976734] ? __down_interruptible+0x700/0x700 [ 261.981419] ? get_futex_key+0x21b0/0x21b0 [ 261.985683] ext4_filemap_fault+0x82/0xad [ 261.989849] __do_fault+0x100/0x6b0 [ 261.993494] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.998005] ? print_bad_pte+0x6c0/0x6c0 [ 262.002081] ? lockdep_hardirqs_on+0x421/0x5c0 [ 262.006682] ? trace_hardirqs_on+0xbd/0x310 [ 262.011020] ? kasan_check_read+0x11/0x20 [ 262.015180] ? pmd_val+0x88/0x100 [ 262.018646] ? add_mm_counter_fast+0xd0/0xd0 [ 262.023086] ? pmd_val+0x88/0x100 [ 262.026551] ? add_mm_counter_fast+0xd0/0xd0 [ 262.030980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.036534] __handle_mm_fault+0x3709/0x53e0 [ 262.040995] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 262.045854] ? graph_lock+0x170/0x170 [ 262.049671] ? print_usage_bug+0xc0/0xc0 [ 262.053744] ? rcu_bh_qs+0xc0/0xc0 [ 262.057352] ? graph_lock+0x170/0x170 [ 262.061164] ? graph_lock+0x170/0x170 [ 262.065000] ? handle_mm_fault+0x42a/0xc70 [ 262.069252] ? lock_downgrade+0x900/0x900 [ 262.073415] ? check_preemption_disabled+0x48/0x200 [ 262.078451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.084257] ? kasan_check_read+0x11/0x20 [ 262.088422] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.093715] ? rcu_bh_qs+0xc0/0xc0 [ 262.097267] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.102729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.108335] ? check_preemption_disabled+0x48/0x200 [ 262.113377] handle_mm_fault+0x54f/0xc70 [ 262.117454] ? __handle_mm_fault+0x53e0/0x53e0 [ 262.122145] ? find_vma+0x34/0x190 [ 262.125703] __do_page_fault+0x67d/0xed0 [ 262.129787] ? mm_fault_error+0x380/0x380 [ 262.133963] ? trace_hardirqs_off+0xb8/0x310 [ 262.138388] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.143823] ? trace_hardirqs_on+0x310/0x310 [ 262.148247] do_page_fault+0xf2/0x7e0 [ 262.152061] ? vmalloc_sync_all+0x30/0x30 [ 262.156224] ? error_entry+0x70/0xd0 [ 262.159970] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.165000] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.169958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.174897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.179779] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.184804] ? trace_hardirqs_off+0x310/0x310 [ 262.189318] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.194349] ? page_fault+0x8/0x30 [ 262.197902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.202786] ? page_fault+0x8/0x30 [ 262.206340] page_fault+0x1e/0x30 [ 262.209800] RIP: 0033:0x45df89 [ 262.213013] Code: Bad RIP value. [ 262.216384] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 262.221760] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 262.229040] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 262.236321] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 262.243598] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 262.250876] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 262.258255] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 262.258319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.265454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.265459] Call Trace: [ 262.265466] [ 262.265488] dump_stack+0x1c4/0x2b4 [ 262.265507] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.265533] warn_alloc.cold.119+0xb7/0x1bd [ 262.272106] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.281375] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.283963] syz-fuzzer cpuset= [ 262.286119] ? lock_downgrade+0x900/0x900 [ 262.289732] / [ 262.294951] ? trace_hardirqs_off+0xb8/0x310 [ 262.299259] mems_allowed=0 [ 262.309486] ? trace_hardirqs_off+0xb8/0x310 [ 262.335098] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.340011] ? warn_alloc+0x120/0x120 [ 262.343827] ? trace_hardirqs_on+0x310/0x310 [ 262.348254] ? warn_alloc+0x120/0x120 [ 262.352071] ? print_usage_bug+0xc0/0xc0 [ 262.356146] ? warn_alloc+0x120/0x120 [ 262.359964] ? ktime_get+0x2e1/0x440 [ 262.363690] ? print_usage_bug+0xc0/0xc0 [ 262.367770] ? __lock_acquire+0x7ec/0x4ec0 [ 262.372020] ? __lock_acquire+0x7ec/0x4ec0 [ 262.376264] ? kasan_check_read+0x11/0x20 [ 262.380433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.385986] ? should_fail+0x22d/0xd01 [ 262.389885] ? rcu_bh_qs+0xc0/0xc0 [ 262.393461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.398576] ? __lock_acquire+0x7ec/0x4ec0 [ 262.402825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.407955] ? __lock_acquire+0x7ec/0x4ec0 [ 262.412288] ? should_fail+0x22d/0xd01 [ 262.416210] ? rcu_idle_enter+0x4b0/0x4b0 [ 262.420382] ? mark_held_locks+0x130/0x130 [ 262.424634] ? mark_held_locks+0x130/0x130 [ 262.428885] ? mark_held_locks+0xc7/0x130 [ 262.433067] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 262.438095] ? graph_lock+0x170/0x170 [ 262.441931] ? print_usage_bug+0xc0/0xc0 [ 262.446012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.451621] ? check_preemption_disabled+0x48/0x200 [ 262.456647] ? check_preemption_disabled+0x48/0x200 [ 262.461685] ? __lock_is_held+0xb5/0x140 [ 262.465768] __alloc_pages_nodemask+0xa80/0xde0 [ 262.470456] ? graph_lock+0x170/0x170 [ 262.474272] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.479298] ? graph_lock+0x170/0x170 [ 262.483124] ? find_held_lock+0x36/0x1c0 [ 262.487208] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.491888] ? lock_downgrade+0x900/0x900 [ 262.496128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.501683] cache_grow_begin+0x91/0x8c0 [ 262.505762] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.510192] fallback_alloc+0x203/0x2e0 [ 262.514237] ____cache_alloc_node+0x1c7/0x1e0 [ 262.518800] kmem_cache_alloc_node+0xe3/0x730 [ 262.523308] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.527616] __alloc_skb+0x119/0x770 [ 262.531345] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.536638] ? skb_scrub_packet+0x490/0x490 [ 262.540978] ? lock_downgrade+0x900/0x900 [ 262.545146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.550694] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.556158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.561626] ? addrconf_rs_timer+0x690/0x690 [ 262.566069] ndisc_alloc_skb+0x144/0x340 [ 262.570174] ndisc_send_rs+0x331/0x6e0 [ 262.574080] addrconf_rs_timer+0x314/0x690 [ 262.578333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.582643] call_timer_fn+0x272/0x920 [ 262.586543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.590793] ? process_timeout+0x40/0x40 [ 262.594863] ? find_held_lock+0x36/0x1c0 [ 262.598964] ? __run_timers+0x7da/0xc70 [ 262.602971] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.607476] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.612072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.616321] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.620936] ? trace_hardirqs_on+0xbd/0x310 [ 262.625275] ? kasan_check_read+0x11/0x20 [ 262.629439] ? __run_timers+0x7da/0xc70 [ 262.633519] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.638990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.643240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.647489] __run_timers+0x7e5/0xc70 [ 262.651316] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.656693] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.661726] ? graph_lock+0x170/0x170 [ 262.665593] ? enqueue_hrtimer+0x1a5/0x560 [ 262.669837] ? lock_release+0x970/0x970 [ 262.673828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.679053] ? find_held_lock+0x36/0x1c0 [ 262.683133] ? graph_lock+0x170/0x170 [ 262.686969] ? pvclock_read_flags+0x160/0x160 [ 262.691546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.697098] ? check_preemption_disabled+0x48/0x200 [ 262.702139] ? __lock_is_held+0xb5/0x140 [ 262.706216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.711767] ? check_preemption_disabled+0x48/0x200 [ 262.716806] run_timer_softirq+0x52/0xb0 [ 262.720877] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.725947] __do_softirq+0x30b/0xad8 [ 262.729777] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.734903] ? pvclock_read_flags+0x160/0x160 [ 262.739437] ? lapic_next_event+0x5a/0x90 [ 262.743599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.749155] ? check_preemption_disabled+0x48/0x200 [ 262.754182] ? check_preemption_disabled+0x48/0x200 [ 262.759217] ? kvm_clock_read+0x18/0x30 [ 262.763202] ? kvm_sched_clock_read+0x9/0x20 [ 262.767623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.773175] ? check_preemption_disabled+0x48/0x200 [ 262.778214] irq_exit+0x17f/0x1c0 [ 262.781684] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.786538] ? smp_reschedule_interrupt+0x109/0x650 [ 262.791569] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.797463] ? interrupt_entry+0xb5/0xf0 [ 262.801538] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.806563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.811594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.816450] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.821474] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.826506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.832056] ? check_preemption_disabled+0x48/0x200 [ 262.837086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.842646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.847510] apic_timer_interrupt+0xf/0x20 [ 262.851755] [ 262.854015] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.858970] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 262.877881] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 262.885622] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.892898] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 262.900201] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 262.907479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.914755] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.922084] skb_clone+0x1bb/0x500 [ 262.925636] ? finish_task_switch+0x1b5/0x900 [ 262.930144] ? skb_split+0x11e0/0x11e0 [ 262.934048] ? preempt_notifier_register+0x200/0x200 [ 262.939163] ? __switch_to_asm+0x34/0x70 [ 262.943233] ? __switch_to_asm+0x34/0x70 [ 262.947302] ? __switch_to_asm+0x40/0x70 [ 262.951376] ? __switch_to_asm+0x34/0x70 [ 262.955447] ? __switch_to_asm+0x40/0x70 [ 262.959520] ? __switch_to_asm+0x34/0x70 [ 262.963591] ? __switch_to_asm+0x40/0x70 [ 262.967661] ? __switch_to_asm+0x34/0x70 [ 262.971733] ? __switch_to_asm+0x34/0x70 [ 262.975802] ? __switch_to_asm+0x40/0x70 [ 262.979871] ? __switch_to_asm+0x34/0x70 [ 262.983973] bpf_clone_redirect+0xb9/0x490 [ 262.988222] ? __schedule+0x874/0x1ed0 [ 262.992132] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 262.997164] ? __sched_text_start+0x8/0x8 [ 263.001339] ? find_held_lock+0x36/0x1c0 [ 263.005428] ? lock_acquire+0x1ed/0x520 [ 263.009416] ? bpf_test_run+0x32e/0x5a0 [ 263.013410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.018974] ? check_preemption_disabled+0x48/0x200 [ 263.024005] ? kasan_check_read+0x11/0x20 [ 263.028168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.033459] ? rcu_bh_qs+0xc0/0xc0 [ 263.037015] ? preempt_schedule+0x4d/0x60 [ 263.041177] ? ___preempt_schedule+0x16/0x18 [ 263.045606] ? bpf_test_run+0x1c0/0x5a0 [ 263.049606] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.054034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.059581] ? bpf_test_init.isra.9+0x70/0x100 [ 263.064182] ? bpf_prog_test_run_skb+0x634/0xb40 [ 263.069000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.073865] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.079412] ? fput+0x130/0x1a0 [ 263.082715] ? __bpf_prog_get+0x9b/0x290 [ 263.086847] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.091748] ? bpf_prog_test_run+0x130/0x1a0 [ 263.096176] ? __x64_sys_bpf+0x3d8/0x510 [ 263.100260] ? bpf_prog_get+0x20/0x20 [ 263.104104] ? do_syscall_64+0x1b9/0x820 [ 263.108199] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.113577] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.118524] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.123553] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.128579] ? recalc_sigpending_tsk+0x180/0x180 [ 263.133348] ? kasan_check_write+0x14/0x20 [ 263.137599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.142474] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.147868] warn_alloc_show_mem: 1 callbacks suppressed [ 263.147880] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 263.147882] Mem-Info: [ 263.147934] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 263.147934] active_file:13 inactive_file:13 isolated_file:1 [ 263.147934] unevictable:0 dirty:0 writeback:0 unstable:0 [ 263.147934] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 263.147934] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 263.147934] free:13741 free_pcp:221 free_cma:0 [ 263.153277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.153285] Call Trace: [ 263.160232] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 263.162643] [ 263.195695] Node 0 [ 263.205065] dump_stack+0x1c4/0x2b4 [ 263.207653] 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 [ 263.235487] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.237622] lowmem_reserve[]: [ 263.239879] warn_alloc.cold.119+0xb7/0x1bd [ 263.243605] 0 [ 263.269122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.274320] 2819 [ 263.277437] ? lock_downgrade+0x900/0x900 [ 263.281734] 6323 6323 [ 263.283557] ? trace_hardirqs_off+0xb8/0x310 [ 263.290448] ? trace_hardirqs_off+0xb8/0x310 [ 263.294577] Node 0 [ 263.297090] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.301506] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 263.305947] ? warn_alloc+0x120/0x120 [ 263.308329] lowmem_reserve[]: 0 [ 263.313189] ? trace_hardirqs_on+0x310/0x310 [ 263.340239] 0 [ 263.344049] ? warn_alloc+0x120/0x120 [ 263.347311] 3503 [ 263.351723] ? print_usage_bug+0xc0/0xc0 [ 263.353503] 3503 [ 263.357312] ? warn_alloc+0x120/0x120 [ 263.359362] Node 0 [ 263.363426] ? ktime_get+0x2e1/0x440 [ 263.365508] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 263.369287] ? print_usage_bug+0xc0/0xc0 [ 263.371508] lowmem_reserve[]: [ 263.375396] ? __lock_acquire+0x7ec/0x4ec0 [ 263.403945] 0 [ 263.408020] ? __lock_acquire+0x7ec/0x4ec0 [ 263.411111] 0 [ 263.415377] ? kasan_check_read+0x11/0x20 [ 263.417166] 0 [ 263.421409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.423203] 0 [ 263.427355] ? should_fail+0x22d/0xd01 [ 263.434686] ? rcu_bh_qs+0xc0/0xc0 [ 263.436475] Node 0 [ 263.440606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.444133] DMA: [ 263.446414] ? __lock_acquire+0x7ec/0x4ec0 [ 263.451511] 1*4kB [ 263.453591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.457810] (U) [ 263.459978] ? __lock_acquire+0x7ec/0x4ec0 [ 263.465066] 0*8kB [ 263.467049] ? should_fail+0x22d/0xd01 [ 263.471270] 0*16kB [ 263.473491] ? rcu_idle_enter+0x4b0/0x4b0 [ 263.477362] 1*32kB [ 263.479609] ? mark_held_locks+0x130/0x130 [ 263.483739] (U) [ 263.485984] ? mark_held_locks+0x130/0x130 [ 263.490202] 2*64kB [ 263.492187] ? mark_held_locks+0xc7/0x130 [ 263.496406] (U) [ 263.498653] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 263.502784] 1*128kB [ 263.504776] ? graph_lock+0x170/0x170 [ 263.509776] (U) [ 263.512107] ? print_usage_bug+0xc0/0xc0 [ 263.515896] 1*256kB [ 263.517898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.521965] (U) [ 263.524298] ? check_preemption_disabled+0x48/0x200 [ 263.529826] 0*512kB [ 263.531807] ? check_preemption_disabled+0x48/0x200 [ 263.536932] 1*1024kB (U) [ 263.539279] ? __lock_is_held+0xb5/0x140 [ 263.544276] 1*2048kB [ 263.547043] __alloc_pages_nodemask+0xa80/0xde0 [ 263.551089] (M) [ 263.553503] ? graph_lock+0x170/0x170 [ 263.558160] 3*4096kB [ 263.560144] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.563945] (M) [ 263.566358] ? graph_lock+0x170/0x170 [ 263.571363] = 15908kB [ 263.573352] ? find_held_lock+0x36/0x1c0 [ 263.577133] Node 0 [ 263.579555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.583597] DMA32: [ 263.585838] ? lock_downgrade+0x900/0x900 [ 263.590493] 5*4kB [ 263.592737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.596870] (UM) [ 263.599032] cache_grow_begin+0x91/0x8c0 [ 263.604554] 0*8kB [ 263.606621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.610664] 3*16kB [ 263.612823] fallback_alloc+0x203/0x2e0 [ 263.617218] (UM) [ 263.619463] ____cache_alloc_node+0x1c7/0x1e0 [ 263.623425] 2*32kB [ 263.625490] kmem_cache_alloc_node+0xe3/0x730 [ 263.629968] (M) [ 263.632216] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.636694] 5*64kB [ 263.638680] __alloc_skb+0x119/0x770 [ 263.642889] (UM) 3*128kB [ 263.645168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.648862] (M) [ 263.651625] ? skb_scrub_packet+0x490/0x490 [ 263.656885] 3*256kB [ 263.658888] ? lock_downgrade+0x900/0x900 [ 263.663196] (M) [ 263.665530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.669663] 4*512kB [ 263.671648] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.677168] (UM) [ 263.679496] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.684970] 3*1024kB [ 263.687050] ? addrconf_rs_timer+0x690/0x690 [ 263.692484] (UM) [ 263.694929] ndisc_alloc_skb+0x144/0x340 [ 263.699313] 1*2048kB [ 263.701382] ndisc_send_rs+0x331/0x6e0 [ 263.705432] (M) [ 263.707854] addrconf_rs_timer+0x314/0x690 [ 263.711728] 4*4096kB [ 263.713710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.717945] (M) [ 263.720378] call_timer_fn+0x272/0x920 [ 263.724587] = 25156kB [ 263.726568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.730447] Node 0 [ 263.732864] ? process_timeout+0x40/0x40 [ 263.737083] Normal: [ 263.739324] ? find_held_lock+0x36/0x1c0 [ 263.743369] 1005*4kB [ 263.745699] ? mark_held_locks+0xc7/0x130 [ 263.749740] (MEH) [ 263.752159] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.756291] 451*8kB [ 263.758444] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.762944] (ME) [ 263.765273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.769752] 184*16kB [ 263.771821] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.776058] (UME) [ 263.778472] ? trace_hardirqs_on+0xbd/0x310 [ 263.783038] 94*32kB (UME) [ 263.785200] ? kasan_check_read+0x11/0x20 [ 263.789628] 5*64kB [ 263.792481] ? __run_timers+0x7da/0xc70 [ 263.796610] (UM) [ 263.798856] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.802815] 0*128kB [ 263.804886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.810323] 0*256kB [ 263.812651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.816873] 0*512kB [ 263.819211] __run_timers+0x7e5/0xc70 [ 263.823434] 0*1024kB [ 263.825774] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.829554] 0*2048kB [ 263.831976] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.837316] 0*4096kB = 13900kB [ 263.839740] ? graph_lock+0x170/0x170 [ 263.844749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.847965] ? print_usage_bug+0xc0/0xc0 [ 263.851756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.860590] ? lock_release+0x970/0x970 [ 263.864638] 4241 total pagecache pages [ 263.873210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.877173] 0 pages in swap cache [ 263.881060] ? find_held_lock+0x36/0x1c0 [ 263.886266] Swap cache stats: add 0, delete 0, find 0/0 [ 263.889746] ? graph_lock+0x170/0x170 [ 263.893785] Free swap = 0kB [ 263.893794] Total swap = 0kB [ 263.899152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.902934] 1965979 pages RAM [ 263.905954] ? check_preemption_disabled+0x48/0x200 [ 263.908937] 0 pages HighMem/MovableOnly [ 263.908945] 342307 pages reserved [ 263.914485] ? __lock_is_held+0xb5/0x140 [ 263.917577] 0 pages cma reserved [ 263.922583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.926612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.929977] ? check_preemption_disabled+0x48/0x200 [ 263.934102] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.937381] run_timer_softirq+0x52/0xb0 [ 263.942903] syz-executor5 cpuset= [ 263.949443] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.954449] syz5 [ 263.964952] __do_softirq+0x30b/0xad8 [ 263.968987] mems_allowed=0 [ 263.972435] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.991202] ? pvclock_read_flags+0x160/0x160 [ 263.995698] ? lapic_next_event+0x5a/0x90 [ 263.999847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.005385] ? check_preemption_disabled+0x48/0x200 [ 264.010399] ? check_preemption_disabled+0x48/0x200 [ 264.015420] ? kvm_clock_read+0x18/0x30 [ 264.019397] ? kvm_sched_clock_read+0x9/0x20 [ 264.023818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.029369] ? check_preemption_disabled+0x48/0x200 [ 264.034401] irq_exit+0x17f/0x1c0 [ 264.037863] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.042706] ? smp_reschedule_interrupt+0x109/0x650 [ 264.047728] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.053614] ? interrupt_entry+0xb5/0xf0 [ 264.057680] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.062701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.067722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.072569] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.077591] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.082614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.088162] ? check_preemption_disabled+0x48/0x200 [ 264.093193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.098756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.103620] apic_timer_interrupt+0xf/0x20 [ 264.107853] [ 264.110103] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 264.115131] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 264.134040] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 264.141758] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 264.149119] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 264.156393] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 264.163671] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 264.170952] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 264.178275] ? list_lru_count_one+0x36d/0x450 [ 264.182784] ? list_lru_count_one+0x260/0x450 [ 264.187303] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.193108] ? kasan_check_read+0x11/0x20 [ 264.197270] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.202558] ? rcu_bh_qs+0xc0/0xc0 [ 264.206125] list_lru_count_one+0x265/0x450 [ 264.210458] ? list_lru_add+0x980/0x980 [ 264.214447] ? deferred_split_count+0x65/0x170 [ 264.219061] ? shrink_huge_zero_page_count+0xc8/0x100 [ 264.224266] super_cache_count+0x153/0x2e0 [ 264.228523] do_shrink_slab+0x1a7/0xd20 [ 264.232517] ? lock_release+0x970/0x970 [ 264.236507] ? snapshot_refaults+0x290/0x290 [ 264.240975] ? ___might_sleep+0x1ed/0x300 [ 264.245142] ? down_read_trylock+0xff/0x1e0 [ 264.249470] ? shrink_slab+0x207/0x8c0 [ 264.253464] ? downgrade_write+0x2b0/0x2b0 [ 264.257712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.263264] ? shrink_node_memcg+0xc82/0x18e0 [ 264.267845] shrink_slab+0x389/0x8c0 [ 264.271572] ? shrink_active_list+0x1c20/0x1c20 [ 264.276264] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 264.281901] ? kasan_check_read+0x11/0x20 [ 264.286176] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.290603] ? ___preempt_schedule+0x16/0x18 [ 264.295030] ? _raw_spin_unlock+0x3f/0x50 [ 264.299201] shrink_node+0x431/0x16b0 [ 264.303036] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 264.308357] ? shrink_node_memcg+0x18e0/0x18e0 [ 264.312970] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.317571] ? trace_hardirqs_on+0xbd/0x310 [ 264.321904] ? vmpressure+0x271/0x340 [ 264.325755] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 264.330362] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.335936] ? __cpuset_node_allowed+0x19b/0x660 [ 264.340709] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 264.346436] ? vmpressure+0x1a2/0x340 [ 264.350260] do_try_to_free_pages+0x3e7/0x1290 [ 264.354871] ? shrink_node+0x16b0/0x16b0 [ 264.359069] ? __lock_is_held+0xb5/0x140 [ 264.363155] try_to_free_pages+0x4d0/0xb90 [ 264.367406] ? do_try_to_free_pages+0x1290/0x1290 [ 264.372260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.377822] ? lock_acquire+0x1ed/0x520 [ 264.381810] ? set_page_refcounted+0x280/0x280 [ 264.386413] ? lock_release+0x970/0x970 [ 264.390409] ? ___might_sleep+0x1ed/0x300 [ 264.394572] ? arch_local_save_flags+0x40/0x40 [ 264.399177] __alloc_pages_slowpath+0x993/0x2d80 [ 264.403993] ? warn_alloc+0x120/0x120 [ 264.407805] ? __radix_tree_lookup+0x4c0/0x4c0 [ 264.412412] ? find_get_entry+0x2f2/0xc40 [ 264.416580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.422134] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 264.427079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.432631] ? should_fail+0x22d/0xd01 [ 264.436535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.441651] ? __lock_is_held+0xb5/0x140 [ 264.445752] ? __lock_is_held+0xb5/0x140 [ 264.449836] ? __lock_acquire+0x7ec/0x4ec0 [ 264.454110] ? ___might_sleep+0x1ed/0x300 [ 264.458268] ? lock_release+0x970/0x970 [ 264.462256] ? arch_local_save_flags+0x40/0x40 [ 264.466865] ? __might_sleep+0x95/0x190 [ 264.470862] __alloc_pages_nodemask+0xa80/0xde0 [ 264.475650] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.480683] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.486599] ? kasan_check_read+0x11/0x20 [ 264.490758] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.496057] ? graph_lock+0x170/0x170 [ 264.499873] ? print_usage_bug+0xc0/0xc0 [ 264.503971] ? graph_lock+0x170/0x170 [ 264.507795] ? graph_lock+0x170/0x170 [ 264.511614] ? __do_page_cache_readahead+0x7ce/0x980 [ 264.516736] ? find_held_lock+0x36/0x1c0 [ 264.520814] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 264.526368] alloc_pages_current+0x10c/0x210 [ 264.530787] ? lock_downgrade+0x900/0x900 [ 264.534972] __page_cache_alloc+0x38f/0x5b0 [ 264.539308] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.545115] ? kasan_check_read+0x11/0x20 [ 264.549276] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.554567] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 264.559251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.564804] ? check_preemption_disabled+0x48/0x200 [ 264.569840] filemap_fault+0x1594/0x25f0 [ 264.573950] ? __lock_page_or_retry+0xa00/0xa00 [ 264.578650] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.584456] ? kasan_check_read+0x11/0x20 [ 264.588621] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.593931] ? ep_scan_ready_list+0xbeb/0x1050 [ 264.598527] ? rcu_bh_qs+0xc0/0xc0 [ 264.602078] ? lock_downgrade+0x900/0x900 [ 264.606241] ? graph_lock+0x170/0x170 [ 264.610065] ? filemap_map_pages+0xdea/0x1980 [ 264.614597] ? find_get_pages_range_tag+0x1320/0x1320 [ 264.619798] ? wait_for_completion+0x8a0/0x8a0 [ 264.624395] ? graph_lock+0x170/0x170 [ 264.628221] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.632819] ? kasan_check_read+0x11/0x20 [ 264.636980] ? ep_scan_ready_list+0xbc7/0x1050 [ 264.641575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.647058] ? lock_acquire+0x1ed/0x520 [ 264.651046] ? ext4_filemap_fault+0x7a/0xad [ 264.655389] ? lock_release+0x970/0x970 [ 264.659375] ? arch_local_save_flags+0x40/0x40 [ 264.664115] ? ep_poll_callback+0x10e0/0x10e0 [ 264.668653] ? down_read+0xb0/0x1d0 [ 264.672293] ? ext4_filemap_fault+0x7a/0xad [ 264.676628] ? __down_interruptible+0x700/0x700 [ 264.681313] ? get_futex_key+0x21b0/0x21b0 [ 264.685576] ext4_filemap_fault+0x82/0xad [ 264.689741] __do_fault+0x100/0x6b0 [ 264.693383] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.697888] ? print_bad_pte+0x6c0/0x6c0 [ 264.701991] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.706591] ? trace_hardirqs_on+0xbd/0x310 [ 264.710946] ? kasan_check_read+0x11/0x20 [ 264.715108] ? pmd_val+0x88/0x100 [ 264.718575] ? add_mm_counter_fast+0xd0/0xd0 [ 264.722994] ? pmd_val+0x88/0x100 [ 264.726465] ? add_mm_counter_fast+0xd0/0xd0 [ 264.730890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.736602] __handle_mm_fault+0x3709/0x53e0 [ 264.741037] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 264.745894] ? graph_lock+0x170/0x170 [ 264.749735] ? print_usage_bug+0xc0/0xc0 [ 264.753807] ? rcu_bh_qs+0xc0/0xc0 [ 264.757362] ? graph_lock+0x170/0x170 [ 264.761173] ? graph_lock+0x170/0x170 [ 264.765033] ? handle_mm_fault+0x42a/0xc70 [ 264.769284] ? lock_downgrade+0x900/0x900 [ 264.773448] ? check_preemption_disabled+0x48/0x200 [ 264.778486] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.784292] ? kasan_check_read+0x11/0x20 [ 264.788455] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.793746] ? rcu_bh_qs+0xc0/0xc0 [ 264.797296] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.802763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.808315] ? check_preemption_disabled+0x48/0x200 [ 264.813353] handle_mm_fault+0x54f/0xc70 [ 264.817429] ? __handle_mm_fault+0x53e0/0x53e0 [ 264.822032] ? find_vma+0x34/0x190 [ 264.825593] __do_page_fault+0x67d/0xed0 [ 264.829674] ? mm_fault_error+0x380/0x380 [ 264.833834] ? trace_hardirqs_off+0xb8/0x310 [ 264.838260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.843639] ? trace_hardirqs_on+0x310/0x310 [ 264.848065] do_page_fault+0xf2/0x7e0 [ 264.851880] ? vmalloc_sync_all+0x30/0x30 [ 264.856062] ? error_entry+0x70/0xd0 [ 264.859791] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.864816] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.869758] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.874696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.879549] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.884574] ? trace_hardirqs_off+0x310/0x310 [ 264.889095] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.894126] ? page_fault+0x8/0x30 [ 264.897682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.902544] ? page_fault+0x8/0x30 [ 264.906098] page_fault+0x1e/0x30 [ 264.909562] RIP: 0033:0x45df89 [ 264.912770] Code: Bad RIP value. [ 264.916142] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 264.921515] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 264.928792] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 264.936069] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 264.943345] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 264.950622] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 264.957957] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 264.958034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.965155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.965161] Call Trace: [ 264.965168] [ 264.965189] dump_stack+0x1c4/0x2b4 [ 264.965208] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.971776] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.981066] warn_alloc.cold.119+0xb7/0x1bd [ 264.983626] syz-fuzzer cpuset= [ 264.985784] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.989394] / [ 264.994588] ? lock_downgrade+0x900/0x900 [ 265.004804] mems_allowed=0 [ 265.009133] ? trace_hardirqs_off+0xb8/0x310 [ 265.030364] ? trace_hardirqs_off+0xb8/0x310 [ 265.034848] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.039736] ? warn_alloc+0x120/0x120 [ 265.043550] ? trace_hardirqs_on+0x310/0x310 [ 265.047977] ? warn_alloc+0x120/0x120 [ 265.051795] ? print_usage_bug+0xc0/0xc0 [ 265.055872] ? warn_alloc+0x120/0x120 [ 265.059686] ? ktime_get+0x2e1/0x440 [ 265.063413] ? print_usage_bug+0xc0/0xc0 [ 265.067499] ? __lock_acquire+0x7ec/0x4ec0 [ 265.071746] ? __lock_acquire+0x7ec/0x4ec0 [ 265.075996] ? kasan_check_read+0x11/0x20 [ 265.080159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.085712] ? should_fail+0x22d/0xd01 [ 265.089612] ? rcu_bh_qs+0xc0/0xc0 [ 265.093170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.098289] ? __lock_acquire+0x7ec/0x4ec0 [ 265.102540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.107656] ? __lock_acquire+0x7ec/0x4ec0 [ 265.111999] ? should_fail+0x22d/0xd01 [ 265.115903] ? rcu_idle_enter+0x4b0/0x4b0 [ 265.120098] ? mark_held_locks+0x130/0x130 [ 265.124349] ? mark_held_locks+0x130/0x130 [ 265.128602] ? mark_held_locks+0xc7/0x130 [ 265.132768] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 265.137808] ? graph_lock+0x170/0x170 [ 265.141628] ? print_usage_bug+0xc0/0xc0 [ 265.145703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.151252] ? check_preemption_disabled+0x48/0x200 [ 265.156278] ? check_preemption_disabled+0x48/0x200 [ 265.161318] ? __lock_is_held+0xb5/0x140 [ 265.165405] __alloc_pages_nodemask+0xa80/0xde0 [ 265.170090] ? graph_lock+0x170/0x170 [ 265.173932] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.179028] ? graph_lock+0x170/0x170 [ 265.182853] ? find_held_lock+0x36/0x1c0 [ 265.186961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.191645] ? lock_downgrade+0x900/0x900 [ 265.195814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.201373] cache_grow_begin+0x91/0x8c0 [ 265.205451] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.209882] fallback_alloc+0x203/0x2e0 [ 265.213897] ____cache_alloc_node+0x1c7/0x1e0 [ 265.218443] kmem_cache_alloc_node+0xe3/0x730 [ 265.222975] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.227232] __alloc_skb+0x119/0x770 [ 265.231026] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.236319] ? skb_scrub_packet+0x490/0x490 [ 265.240741] ? lock_downgrade+0x900/0x900 [ 265.244931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.250483] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.256020] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.261490] ? addrconf_rs_timer+0x690/0x690 [ 265.265947] ndisc_alloc_skb+0x144/0x340 [ 265.270036] ndisc_send_rs+0x331/0x6e0 [ 265.273963] addrconf_rs_timer+0x314/0x690 [ 265.278220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.282480] call_timer_fn+0x272/0x920 [ 265.286381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.290637] ? process_timeout+0x40/0x40 [ 265.294712] ? find_held_lock+0x36/0x1c0 [ 265.298796] ? __run_timers+0x7da/0xc70 [ 265.302783] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.307503] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.312012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.316262] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.320858] ? trace_hardirqs_on+0xbd/0x310 [ 265.325189] ? kasan_check_read+0x11/0x20 [ 265.329349] ? __run_timers+0x7da/0xc70 [ 265.333340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.338809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.343064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.347314] __run_timers+0x7e5/0xc70 [ 265.351143] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.356521] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.361554] ? graph_lock+0x170/0x170 [ 265.365372] ? enqueue_hrtimer+0x1a5/0x560 [ 265.369617] ? lock_release+0x970/0x970 [ 265.373604] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.378974] ? find_held_lock+0x36/0x1c0 [ 265.383057] ? graph_lock+0x170/0x170 [ 265.386871] ? pvclock_read_flags+0x160/0x160 [ 265.391378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.396955] ? check_preemption_disabled+0x48/0x200 [ 265.401997] ? __lock_is_held+0xb5/0x140 [ 265.406078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.411894] ? check_preemption_disabled+0x48/0x200 [ 265.416970] run_timer_softirq+0x52/0xb0 [ 265.421045] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.426075] __do_softirq+0x30b/0xad8 [ 265.429900] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.435047] ? pvclock_read_flags+0x160/0x160 [ 265.440089] ? lapic_next_event+0x5a/0x90 [ 265.444251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.449802] ? check_preemption_disabled+0x48/0x200 [ 265.454829] ? check_preemption_disabled+0x48/0x200 [ 265.459863] ? kvm_clock_read+0x18/0x30 [ 265.463852] ? kvm_sched_clock_read+0x9/0x20 [ 265.468276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.473825] ? check_preemption_disabled+0x48/0x200 [ 265.478866] irq_exit+0x17f/0x1c0 [ 265.482337] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.487190] ? smp_reschedule_interrupt+0x109/0x650 [ 265.492224] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.498119] ? interrupt_entry+0xb5/0xf0 [ 265.502193] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.507219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.512250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.517108] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.522134] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.527162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.532757] ? check_preemption_disabled+0x48/0x200 [ 265.537786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.543342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.548206] apic_timer_interrupt+0xf/0x20 [ 265.552446] [ 265.554698] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.559699] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 265.578610] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.586332] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.593614] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 265.600891] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 265.608193] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 265.615471] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 265.622809] skb_clone+0x1bb/0x500 [ 265.626362] ? finish_task_switch+0x1b5/0x900 [ 265.630871] ? skb_split+0x11e0/0x11e0 [ 265.634771] ? preempt_notifier_register+0x200/0x200 [ 265.639882] ? __switch_to_asm+0x34/0x70 [ 265.643983] ? __switch_to_asm+0x34/0x70 [ 265.648057] ? __switch_to_asm+0x40/0x70 [ 265.652125] ? __switch_to_asm+0x34/0x70 [ 265.656194] ? __switch_to_asm+0x40/0x70 [ 265.660266] ? __switch_to_asm+0x34/0x70 [ 265.664338] ? __switch_to_asm+0x40/0x70 [ 265.668410] ? __switch_to_asm+0x34/0x70 [ 265.672485] ? __switch_to_asm+0x34/0x70 [ 265.676555] ? __switch_to_asm+0x40/0x70 [ 265.680625] ? __switch_to_asm+0x34/0x70 [ 265.684707] bpf_clone_redirect+0xb9/0x490 [ 265.688973] ? __schedule+0x874/0x1ed0 [ 265.692879] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 265.697958] ? __sched_text_start+0x8/0x8 [ 265.702140] ? find_held_lock+0x36/0x1c0 [ 265.706221] ? lock_acquire+0x1ed/0x520 [ 265.710206] ? bpf_test_run+0x32e/0x5a0 [ 265.714196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.719806] ? check_preemption_disabled+0x48/0x200 [ 265.724985] ? kasan_check_read+0x11/0x20 [ 265.729149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.734444] ? rcu_bh_qs+0xc0/0xc0 [ 265.738001] ? preempt_schedule+0x4d/0x60 [ 265.742216] ? ___preempt_schedule+0x16/0x18 [ 265.746699] ? bpf_test_run+0x1c0/0x5a0 [ 265.750699] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.755128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.760677] ? bpf_test_init.isra.9+0x70/0x100 [ 265.765277] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.770054] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.774980] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.780527] ? fput+0x130/0x1a0 [ 265.783824] ? __bpf_prog_get+0x9b/0x290 [ 265.787898] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.792830] ? bpf_prog_test_run+0x130/0x1a0 [ 265.797257] ? __x64_sys_bpf+0x3d8/0x510 [ 265.801331] ? bpf_prog_get+0x20/0x20 [ 265.805167] ? do_syscall_64+0x1b9/0x820 [ 265.809243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.814619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.819564] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.824593] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.829622] ? recalc_sigpending_tsk+0x180/0x180 [ 265.834389] ? kasan_check_write+0x14/0x20 [ 265.838649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.843513] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.848906] warn_alloc_show_mem: 1 callbacks suppressed [ 265.848944] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 265.848946] Mem-Info: [ 265.848978] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 265.848978] active_file:13 inactive_file:13 isolated_file:1 [ 265.848978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.848978] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 265.848978] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 265.848978] free:13741 free_pcp:221 free_cma:0 [ 265.854329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.861270] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.863678] Call Trace: [ 265.896733] Node 0 [ 265.906095] [ 265.934053] 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 [ 265.936626] dump_stack+0x1c4/0x2b4 [ 265.938835] lowmem_reserve[]: 0 [ 265.941002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.966493] 2819 [ 265.970166] warn_alloc.cold.119+0xb7/0x1bd [ 265.973423] 6323 [ 265.978704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.980756] 6323 [ 265.985082] ? lock_downgrade+0x900/0x900 [ 265.991983] ? trace_hardirqs_off+0xb8/0x310 [ 265.994028] Node 0 [ 265.998191] ? trace_hardirqs_off+0xb8/0x310 [ 266.002610] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.004834] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.009372] lowmem_reserve[]: [ 266.036472] ? warn_alloc+0x120/0x120 [ 266.041279] 0 [ 266.044390] ? trace_hardirqs_on+0x310/0x310 [ 266.048179] 0 [ 266.049991] ? warn_alloc+0x120/0x120 [ 266.054389] 3503 [ 266.056197] ? print_usage_bug+0xc0/0xc0 [ 266.059987] 3503 [ 266.062059] ? warn_alloc+0x120/0x120 [ 266.068174] ? ktime_get+0x2e1/0x440 [ 266.071983] Node 0 [ 266.075697] ? print_usage_bug+0xc0/0xc0 [ 266.075728] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 266.075735] lowmem_reserve[]: [ 266.077981] ? __lock_acquire+0x7ec/0x4ec0 [ 266.082029] 0 [ 266.110496] ? __lock_acquire+0x7ec/0x4ec0 [ 266.113590] 0 [ 266.117827] ? kasan_check_read+0x11/0x20 [ 266.119613] 0 0 [ 266.123861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.129805] ? should_fail+0x22d/0xd01 [ 266.131769] Node 0 [ 266.137309] ? rcu_bh_qs+0xc0/0xc0 [ 266.141183] DMA: [ 266.143424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.146966] 1*4kB [ 266.149039] ? __lock_acquire+0x7ec/0x4ec0 [ 266.154127] (U) [ 266.156282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.160504] 0*8kB [ 266.162485] ? __lock_acquire+0x7ec/0x4ec0 [ 266.167577] 0*16kB [ 266.169731] ? should_fail+0x22d/0xd01 [ 266.173961] 1*32kB (U) [ 266.176213] ? rcu_idle_enter+0x4b0/0x4b0 [ 266.180088] 2*64kB [ 266.182679] ? mark_held_locks+0x130/0x130 [ 266.186807] (U) [ 266.189050] ? mark_held_locks+0x130/0x130 [ 266.193270] 1*128kB [ 266.195252] ? mark_held_locks+0xc7/0x130 [ 266.199469] (U) [ 266.201804] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 266.205951] 1*256kB [ 266.207956] ? graph_lock+0x170/0x170 [ 266.212971] (U) [ 266.215298] ? print_usage_bug+0xc0/0xc0 [ 266.219090] 0*512kB [ 266.221072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.225116] 1*1024kB [ 266.227446] ? check_preemption_disabled+0x48/0x200 [ 266.232964] (U) [ 266.235385] ? check_preemption_disabled+0x48/0x200 [ 266.240385] 1*2048kB [ 266.242376] ? __lock_is_held+0xb5/0x140 [ 266.247373] (M) [ 266.249795] __alloc_pages_nodemask+0xa80/0xde0 [ 266.253840] 3*4096kB [ 266.255819] ? graph_lock+0x170/0x170 [ 266.260473] (M) [ 266.262889] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.266732] = 15908kB [ 266.268713] ? graph_lock+0x170/0x170 [ 266.273719] Node 0 [ 266.276148] ? find_held_lock+0x36/0x1c0 [ 266.279948] DMA32: [ 266.282205] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.286245] 5*4kB [ 266.288488] ? lock_downgrade+0x900/0x900 [ 266.293152] (UM) [ 266.295314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.299446] 0*8kB [ 266.301520] cache_grow_begin+0x91/0x8c0 [ 266.307044] 3*16kB [ 266.309204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.313247] (UM) [ 266.315495] fallback_alloc+0x203/0x2e0 [ 266.319882] 2*32kB [ 266.321973] ____cache_alloc_node+0x1c7/0x1e0 [ 266.325950] (M) [ 266.328198] kmem_cache_alloc_node+0xe3/0x730 [ 266.332684] 5*64kB [ 266.334670] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.339151] (UM) [ 266.341399] __alloc_skb+0x119/0x770 [ 266.345616] 3*128kB [ 266.347685] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.351384] (M) [ 266.353714] ? skb_scrub_packet+0x490/0x490 [ 266.358976] 3*256kB [ 266.360974] ? lock_downgrade+0x900/0x900 [ 266.365279] (M) [ 266.367613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.371740] 4*512kB [ 266.373725] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.379301] (UM) [ 266.381654] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.387088] 3*1024kB [ 266.389159] ? addrconf_rs_timer+0x690/0x690 [ 266.394644] (UM) [ 266.397073] ndisc_alloc_skb+0x144/0x340 [ 266.401460] 1*2048kB [ 266.403531] ndisc_send_rs+0x331/0x6e0 [ 266.407575] (M) [ 266.409999] addrconf_rs_timer+0x314/0x690 [ 266.413873] 4*4096kB [ 266.415860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.420144] (M) [ 266.422578] call_timer_fn+0x272/0x920 [ 266.426789] = 25156kB [ 266.428775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.432647] Node 0 [ 266.435070] ? process_timeout+0x40/0x40 [ 266.439286] Normal: [ 266.441530] ? find_held_lock+0x36/0x1c0 [ 266.445578] 1005*4kB [ 266.447935] ? mark_held_locks+0xc7/0x130 [ 266.451978] (MEH) [ 266.454398] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.458532] 451*8kB [ 266.460683] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.465167] (ME) [ 266.467493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.467510] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.471993] 184*16kB [ 266.474076] ? trace_hardirqs_on+0xbd/0x310 [ 266.478349] (UME) [ 266.482957] ? kasan_check_read+0x11/0x20 [ 266.482974] ? __run_timers+0x7da/0xc70 [ 266.485375] 94*32kB [ 266.489700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.491838] (UME) [ 266.495995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.499963] 5*64kB [ 266.502293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.507723] (UM) [ 266.509878] __run_timers+0x7e5/0xc70 [ 266.514103] 0*128kB [ 266.516357] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.520570] 0*256kB [ 266.522642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.526437] 0*512kB [ 266.528770] ? graph_lock+0x170/0x170 [ 266.534118] 0*1024kB [ 266.536448] ? print_usage_bug+0xc0/0xc0 [ 266.541445] 0*2048kB 0*4096kB [ 266.543788] ? lock_release+0x970/0x970 [ 266.547576] = 13900kB [ 266.549996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.554054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.557246] ? find_held_lock+0x36/0x1c0 [ 266.561214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.563626] ? graph_lock+0x170/0x170 [ 266.568801] 4241 total pagecache pages [ 266.577640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.581690] 0 pages in swap cache [ 266.590269] ? check_preemption_disabled+0x48/0x200 [ 266.594108] Swap cache stats: add 0, delete 0, find 0/0 [ 266.598091] ? __lock_is_held+0xb5/0x140 [ 266.603610] Free swap = 0kB [ 266.607068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.612067] Total swap = 0kB [ 266.617443] ? check_preemption_disabled+0x48/0x200 [ 266.621489] 1965979 pages RAM [ 266.624517] run_timer_softirq+0x52/0xb0 [ 266.630040] 0 pages HighMem/MovableOnly [ 266.633064] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.638065] 342307 pages reserved [ 266.641183] __do_softirq+0x30b/0xad8 [ 266.645230] 0 pages cma reserved [ 266.649216] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.654281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.657668] ? pvclock_read_flags+0x160/0x160 [ 266.661615] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.664885] ? lapic_next_event+0x5a/0x90 [ 266.669981] syz-executor5 cpuset= [ 266.676482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.681311] syz5 [ 266.691804] ? check_preemption_disabled+0x48/0x200 [ 266.695962] mems_allowed=0 [ 266.699416] ? check_preemption_disabled+0x48/0x200 [ 266.719972] ? kvm_clock_read+0x18/0x30 [ 266.723973] ? kvm_sched_clock_read+0x9/0x20 [ 266.728399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.733968] ? check_preemption_disabled+0x48/0x200 [ 266.739009] irq_exit+0x17f/0x1c0 [ 266.742479] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.747332] ? smp_reschedule_interrupt+0x109/0x650 [ 266.752361] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.758259] ? interrupt_entry+0xb5/0xf0 [ 266.762339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.767370] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.772402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.777256] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.782282] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.787312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.792863] ? check_preemption_disabled+0x48/0x200 [ 266.797887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.803469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.808332] apic_timer_interrupt+0xf/0x20 [ 266.812576] [ 266.814831] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 266.819858] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 266.838767] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 266.846490] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 266.853771] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 266.861050] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 266.868329] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 266.875608] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 266.882907] ? list_lru_count_one+0x36d/0x450 [ 266.887444] ? list_lru_count_one+0x260/0x450 [ 266.891990] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.897799] ? kasan_check_read+0x11/0x20 [ 266.901975] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.907264] ? rcu_bh_qs+0xc0/0xc0 [ 266.910830] list_lru_count_one+0x265/0x450 [ 266.915167] ? list_lru_add+0x980/0x980 [ 266.919161] ? deferred_split_count+0x65/0x170 [ 266.923753] ? shrink_huge_zero_page_count+0xc8/0x100 [ 266.928977] super_cache_count+0x153/0x2e0 [ 266.933229] do_shrink_slab+0x1a7/0xd20 [ 266.937237] ? lock_release+0x970/0x970 [ 266.941225] ? snapshot_refaults+0x290/0x290 [ 266.945655] ? ___might_sleep+0x1ed/0x300 [ 266.949823] ? down_read_trylock+0xff/0x1e0 [ 266.954153] ? shrink_slab+0x207/0x8c0 [ 266.958052] ? downgrade_write+0x2b0/0x2b0 [ 266.962301] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.967849] ? shrink_node_memcg+0xc82/0x18e0 [ 266.972374] shrink_slab+0x389/0x8c0 [ 266.976104] ? shrink_active_list+0x1c20/0x1c20 [ 266.980794] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 266.986431] ? kasan_check_read+0x11/0x20 [ 266.990592] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.995019] ? ___preempt_schedule+0x16/0x18 [ 266.999447] ? _raw_spin_unlock+0x3f/0x50 [ 267.003675] shrink_node+0x431/0x16b0 [ 267.007490] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 267.012805] ? shrink_node_memcg+0x18e0/0x18e0 [ 267.017397] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.021993] ? trace_hardirqs_on+0xbd/0x310 [ 267.026328] ? vmpressure+0x271/0x340 [ 267.030146] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 267.034753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.040302] ? __cpuset_node_allowed+0x19b/0x660 [ 267.045072] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 267.050798] ? vmpressure+0x1a2/0x340 [ 267.054642] do_try_to_free_pages+0x3e7/0x1290 [ 267.059258] ? shrink_node+0x16b0/0x16b0 [ 267.063334] ? __lock_is_held+0xb5/0x140 [ 267.067422] try_to_free_pages+0x4d0/0xb90 [ 267.071674] ? do_try_to_free_pages+0x1290/0x1290 [ 267.076586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.082148] ? lock_acquire+0x1ed/0x520 [ 267.086144] ? set_page_refcounted+0x280/0x280 [ 267.090831] ? lock_release+0x970/0x970 [ 267.094829] ? ___might_sleep+0x1ed/0x300 [ 267.098994] ? arch_local_save_flags+0x40/0x40 [ 267.103611] __alloc_pages_slowpath+0x993/0x2d80 [ 267.108411] ? warn_alloc+0x120/0x120 [ 267.112227] ? __radix_tree_lookup+0x4c0/0x4c0 [ 267.116850] ? find_get_entry+0x2f2/0xc40 [ 267.121023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.126574] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 267.131515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.137064] ? should_fail+0x22d/0xd01 [ 267.140977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.146100] ? __lock_is_held+0xb5/0x140 [ 267.150205] ? __lock_is_held+0xb5/0x140 [ 267.154286] ? __lock_acquire+0x7ec/0x4ec0 [ 267.158539] ? ___might_sleep+0x1ed/0x300 [ 267.162698] ? lock_release+0x970/0x970 [ 267.166685] ? arch_local_save_flags+0x40/0x40 [ 267.171290] ? __might_sleep+0x95/0x190 [ 267.175284] __alloc_pages_nodemask+0xa80/0xde0 [ 267.180062] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.185095] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.190906] ? kasan_check_read+0x11/0x20 [ 267.195093] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.200383] ? graph_lock+0x170/0x170 [ 267.204203] ? print_usage_bug+0xc0/0xc0 [ 267.208283] ? graph_lock+0x170/0x170 [ 267.212095] ? graph_lock+0x170/0x170 [ 267.215907] ? __do_page_cache_readahead+0x7ce/0x980 [ 267.221057] ? find_held_lock+0x36/0x1c0 [ 267.225138] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 267.230697] alloc_pages_current+0x10c/0x210 [ 267.235119] ? lock_downgrade+0x900/0x900 [ 267.239286] __page_cache_alloc+0x38f/0x5b0 [ 267.243622] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.249431] ? kasan_check_read+0x11/0x20 [ 267.253596] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.258888] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 267.263595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.269146] ? check_preemption_disabled+0x48/0x200 [ 267.274184] filemap_fault+0x1594/0x25f0 [ 267.278275] ? __lock_page_or_retry+0xa00/0xa00 [ 267.282969] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.288870] ? kasan_check_read+0x11/0x20 [ 267.293036] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.298325] ? ep_scan_ready_list+0xbeb/0x1050 [ 267.302947] ? rcu_bh_qs+0xc0/0xc0 [ 267.307010] ? lock_downgrade+0x900/0x900 [ 267.311188] ? graph_lock+0x170/0x170 [ 267.315014] ? filemap_map_pages+0xdea/0x1980 [ 267.319554] ? find_get_pages_range_tag+0x1320/0x1320 [ 267.324758] ? wait_for_completion+0x8a0/0x8a0 [ 267.329358] ? graph_lock+0x170/0x170 [ 267.333183] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.337778] ? kasan_check_read+0x11/0x20 [ 267.341967] ? ep_scan_ready_list+0xbc7/0x1050 [ 267.346565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.352041] ? lock_acquire+0x1ed/0x520 [ 267.356030] ? ext4_filemap_fault+0x7a/0xad [ 267.360374] ? lock_release+0x970/0x970 [ 267.364362] ? arch_local_save_flags+0x40/0x40 [ 267.369002] ? ep_poll_callback+0x10e0/0x10e0 [ 267.373529] ? down_read+0xb0/0x1d0 [ 267.377166] ? ext4_filemap_fault+0x7a/0xad [ 267.381507] ? __down_interruptible+0x700/0x700 [ 267.386198] ? get_futex_key+0x21b0/0x21b0 [ 267.390462] ext4_filemap_fault+0x82/0xad [ 267.394625] __do_fault+0x100/0x6b0 [ 267.398265] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.402772] ? print_bad_pte+0x6c0/0x6c0 [ 267.406847] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.411443] ? trace_hardirqs_on+0xbd/0x310 [ 267.415775] ? kasan_check_read+0x11/0x20 [ 267.419959] ? pmd_val+0x88/0x100 [ 267.423426] ? add_mm_counter_fast+0xd0/0xd0 [ 267.427849] ? pmd_val+0x88/0x100 [ 267.431317] ? add_mm_counter_fast+0xd0/0xd0 [ 267.435742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.441496] __handle_mm_fault+0x3709/0x53e0 [ 267.445953] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 267.450811] ? graph_lock+0x170/0x170 [ 267.454626] ? print_usage_bug+0xc0/0xc0 [ 267.458699] ? rcu_bh_qs+0xc0/0xc0 [ 267.462253] ? graph_lock+0x170/0x170 [ 267.466065] ? graph_lock+0x170/0x170 [ 267.469899] ? handle_mm_fault+0x42a/0xc70 [ 267.474177] ? lock_downgrade+0x900/0x900 [ 267.478342] ? check_preemption_disabled+0x48/0x200 [ 267.483376] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.489185] ? kasan_check_read+0x11/0x20 [ 267.493347] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.498652] ? rcu_bh_qs+0xc0/0xc0 [ 267.502205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.507671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.513226] ? check_preemption_disabled+0x48/0x200 [ 267.518266] handle_mm_fault+0x54f/0xc70 [ 267.522346] ? __handle_mm_fault+0x53e0/0x53e0 [ 267.526967] ? find_vma+0x34/0x190 [ 267.530525] __do_page_fault+0x67d/0xed0 [ 267.534612] ? mm_fault_error+0x380/0x380 [ 267.538770] ? trace_hardirqs_off+0xb8/0x310 [ 267.543195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.548571] ? trace_hardirqs_on+0x310/0x310 [ 267.553002] do_page_fault+0xf2/0x7e0 [ 267.556817] ? vmalloc_sync_all+0x30/0x30 [ 267.560986] ? error_entry+0x70/0xd0 [ 267.564715] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.569742] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.574688] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.579627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.584482] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.589509] ? trace_hardirqs_off+0x310/0x310 [ 267.594025] ? prepare_exit_to_usermode+0x291/0x3b0 [ 267.599055] ? page_fault+0x8/0x30 [ 267.602610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.607470] ? page_fault+0x8/0x30 [ 267.611024] page_fault+0x1e/0x30 [ 267.614488] RIP: 0033:0x45df89 [ 267.617695] Code: Bad RIP value. [ 267.621066] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 267.626444] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 267.633722] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 267.641002] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 267.648279] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 267.655562] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 267.662870] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 267.662966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.670092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.670101] Call Trace: [ 267.676678] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.685961] [ 267.688543] syz-fuzzer cpuset= [ 267.698777] dump_stack+0x1c4/0x2b4 [ 267.700906] / [ 267.704133] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.707752] mems_allowed=0 [ 267.709479] warn_alloc.cold.119+0xb7/0x1bd [ 267.721894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.726776] ? lock_downgrade+0x900/0x900 [ 267.730967] ? trace_hardirqs_off+0xb8/0x310 [ 267.735406] ? trace_hardirqs_off+0xb8/0x310 [ 267.739843] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.744734] ? warn_alloc+0x120/0x120 [ 267.748555] ? trace_hardirqs_on+0x310/0x310 [ 267.752984] ? warn_alloc+0x120/0x120 [ 267.756802] ? print_usage_bug+0xc0/0xc0 [ 267.761008] ? warn_alloc+0x120/0x120 [ 267.764820] ? ktime_get+0x2e1/0x440 [ 267.768548] ? print_usage_bug+0xc0/0xc0 [ 267.772623] ? __lock_acquire+0x7ec/0x4ec0 [ 267.776869] ? __lock_acquire+0x7ec/0x4ec0 [ 267.781125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.786677] ? should_fail+0x22d/0xd01 [ 267.790578] ? __lock_acquire+0x7ec/0x4ec0 [ 267.794827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.799966] ? __lock_acquire+0x7ec/0x4ec0 [ 267.804218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.809333] ? __lock_acquire+0x7ec/0x4ec0 [ 267.813581] ? should_fail+0x22d/0xd01 [ 267.817491] ? mark_held_locks+0x130/0x130 [ 267.821742] ? mark_held_locks+0x130/0x130 [ 267.826013] ? graph_lock+0x170/0x170 [ 267.829825] ? print_usage_bug+0xc0/0xc0 [ 267.833903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.839480] ? check_preemption_disabled+0x48/0x200 [ 267.844508] ? check_preemption_disabled+0x48/0x200 [ 267.849549] ? __lock_is_held+0xb5/0x140 [ 267.853629] __alloc_pages_nodemask+0xa80/0xde0 [ 267.858312] ? graph_lock+0x170/0x170 [ 267.862133] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.867157] ? graph_lock+0x170/0x170 [ 267.871034] ? find_held_lock+0x36/0x1c0 [ 267.875121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.879802] ? lock_downgrade+0x900/0x900 [ 267.883984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.889544] cache_grow_begin+0x91/0x8c0 [ 267.893625] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.898060] fallback_alloc+0x203/0x2e0 [ 267.902057] ____cache_alloc_node+0x1c7/0x1e0 [ 267.906570] kmem_cache_alloc_node+0xe3/0x730 [ 267.911082] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.915343] __alloc_skb+0x119/0x770 [ 267.919075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.924431] ? skb_scrub_packet+0x490/0x490 [ 267.928766] ? lock_downgrade+0x900/0x900 [ 267.932956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.938507] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.943977] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.949448] ? addrconf_rs_timer+0x690/0x690 [ 267.953885] ndisc_alloc_skb+0x144/0x340 [ 267.957997] ndisc_send_rs+0x331/0x6e0 [ 267.961902] addrconf_rs_timer+0x314/0x690 [ 267.966180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.970448] call_timer_fn+0x272/0x920 [ 267.974349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.978601] ? process_timeout+0x40/0x40 [ 267.982674] ? find_held_lock+0x36/0x1c0 [ 267.986756] ? __run_timers+0x7da/0xc70 [ 267.990747] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.995257] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.999762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.004017] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.008618] ? trace_hardirqs_on+0xbd/0x310 [ 268.012970] ? kasan_check_read+0x11/0x20 [ 268.017153] ? __run_timers+0x7da/0xc70 [ 268.021141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.026621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.030867] __run_timers+0x7e5/0xc70 [ 268.034697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.040076] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.045109] ? graph_lock+0x170/0x170 [ 268.048946] ? enqueue_hrtimer+0x1a5/0x560 [ 268.053192] ? lock_release+0x970/0x970 [ 268.057238] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.062451] ? find_held_lock+0x36/0x1c0 [ 268.066533] ? graph_lock+0x170/0x170 [ 268.070348] ? pvclock_read_flags+0x160/0x160 [ 268.074857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.080410] ? check_preemption_disabled+0x48/0x200 [ 268.085458] ? __lock_is_held+0xb5/0x140 [ 268.089538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.095089] ? check_preemption_disabled+0x48/0x200 [ 268.100129] run_timer_softirq+0x52/0xb0 [ 268.104202] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.109235] __do_softirq+0x30b/0xad8 [ 268.113064] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.118187] ? pvclock_read_flags+0x160/0x160 [ 268.122693] ? lapic_next_event+0x5a/0x90 [ 268.126856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.132407] ? check_preemption_disabled+0x48/0x200 [ 268.137443] ? check_preemption_disabled+0x48/0x200 [ 268.142479] ? kvm_clock_read+0x18/0x30 [ 268.146597] ? kvm_sched_clock_read+0x9/0x20 [ 268.151079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.156684] ? check_preemption_disabled+0x48/0x200 [ 268.161732] irq_exit+0x17f/0x1c0 [ 268.165203] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.170058] ? smp_reschedule_interrupt+0x109/0x650 [ 268.175091] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.180988] ? interrupt_entry+0xb5/0xf0 [ 268.185063] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.190091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.195127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.200003] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.205034] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.210068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.215624] ? check_preemption_disabled+0x48/0x200 [ 268.220654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.226215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.231168] apic_timer_interrupt+0xf/0x20 [ 268.235462] [ 268.237771] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 268.242715] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 268.261631] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.269356] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.276633] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 268.283937] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 268.291217] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 268.298493] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 268.305824] skb_clone+0x1bb/0x500 [ 268.309380] ? finish_task_switch+0x1b5/0x900 [ 268.313892] ? skb_split+0x11e0/0x11e0 [ 268.317816] ? preempt_notifier_register+0x200/0x200 [ 268.322951] ? __switch_to_asm+0x34/0x70 [ 268.327026] ? __switch_to_asm+0x34/0x70 [ 268.331096] ? __switch_to_asm+0x40/0x70 [ 268.335166] ? __switch_to_asm+0x34/0x70 [ 268.339236] ? __switch_to_asm+0x40/0x70 [ 268.343307] ? __switch_to_asm+0x34/0x70 [ 268.347379] ? __switch_to_asm+0x40/0x70 [ 268.351457] ? __switch_to_asm+0x34/0x70 [ 268.355531] ? __switch_to_asm+0x34/0x70 [ 268.359601] ? __switch_to_asm+0x40/0x70 [ 268.363672] ? __switch_to_asm+0x34/0x70 [ 268.367752] bpf_clone_redirect+0xb9/0x490 [ 268.372006] ? __schedule+0x874/0x1ed0 [ 268.375947] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 268.380983] ? __sched_text_start+0x8/0x8 [ 268.385162] ? find_held_lock+0x36/0x1c0 [ 268.389242] ? lock_acquire+0x1ed/0x520 [ 268.393227] ? bpf_test_run+0x32e/0x5a0 [ 268.397219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.402773] ? check_preemption_disabled+0x48/0x200 [ 268.407865] ? kasan_check_read+0x11/0x20 [ 268.412028] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.417376] ? rcu_bh_qs+0xc0/0xc0 [ 268.420956] ? preempt_schedule+0x4d/0x60 [ 268.425117] ? ___preempt_schedule+0x16/0x18 [ 268.429551] ? bpf_test_run+0x1c0/0x5a0 [ 268.433550] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.438009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.443556] ? bpf_test_init.isra.9+0x70/0x100 [ 268.448154] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.452955] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.457810] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.463359] ? fput+0x130/0x1a0 [ 268.466652] ? __bpf_prog_get+0x9b/0x290 [ 268.470727] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.475580] ? bpf_prog_test_run+0x130/0x1a0 [ 268.480005] ? __x64_sys_bpf+0x3d8/0x510 [ 268.484077] ? bpf_prog_get+0x20/0x20 [ 268.487936] ? do_syscall_64+0x1b9/0x820 [ 268.492013] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.497394] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.502347] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.507455] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.512488] ? recalc_sigpending_tsk+0x180/0x180 [ 268.517260] ? kasan_check_write+0x14/0x20 [ 268.521513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.526385] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.531777] warn_alloc_show_mem: 1 callbacks suppressed [ 268.531790] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 268.531792] Mem-Info: [ 268.531823] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 268.531823] active_file:13 inactive_file:13 isolated_file:1 [ 268.531823] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.531823] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 268.531823] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 268.531823] free:13741 free_pcp:221 free_cma:0 [ 268.537173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.544119] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.546532] Call Trace: [ 268.579587] Node 0 [ 268.588964] [ 268.616939] 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 [ 268.619518] dump_stack+0x1c4/0x2b4 [ 268.621738] lowmem_reserve[]: [ 268.623896] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.649387] 0 [ 268.653031] warn_alloc.cold.119+0xb7/0x1bd [ 268.656115] 2819 [ 268.661313] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.663102] 6323 [ 268.667431] ? lock_downgrade+0x900/0x900 [ 268.669487] 6323 [ 268.674338] ? trace_hardirqs_off+0xb8/0x310 [ 268.680549] ? trace_hardirqs_off+0xb8/0x310 [ 268.682600] Node 0 [ 268.687056] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.691474] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 268.693719] ? warn_alloc+0x120/0x120 [ 268.698522] lowmem_reserve[]: [ 268.725601] ? trace_hardirqs_on+0x310/0x310 [ 268.729392] 0 [ 268.732502] ? warn_alloc+0x120/0x120 [ 268.736896] 0 [ 268.738730] ? print_usage_bug+0xc0/0xc0 [ 268.742516] 3503 [ 268.744327] ? warn_alloc+0x120/0x120 [ 268.748374] 3503 [ 268.750444] ? ktime_get+0x2e1/0x440 [ 268.756300] ? print_usage_bug+0xc0/0xc0 [ 268.760140] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 268.764235] ? __lock_acquire+0x7ec/0x4ec0 [ 268.764251] ? __lock_acquire+0x7ec/0x4ec0 [ 268.793303] lowmem_reserve[]: [ 268.797546] ? kasan_check_read+0x11/0x20 [ 268.801766] 0 [ 268.804878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.809011] 0 [ 268.810820] ? should_fail+0x22d/0xd01 [ 268.816342] 0 [ 268.818152] ? rcu_bh_qs+0xc0/0xc0 [ 268.822027] 0 [ 268.823837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.829176] ? __lock_acquire+0x7ec/0x4ec0 [ 268.834263] Node 0 DMA: [ 268.838502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.838517] ? __lock_acquire+0x7ec/0x4ec0 [ 268.841180] 1*4kB [ 268.846284] ? should_fail+0x22d/0xd01 [ 268.850504] (U) [ 268.852665] ? rcu_idle_enter+0x4b0/0x4b0 [ 268.856539] 0*8kB [ 268.858523] ? mark_held_locks+0x130/0x130 [ 268.862657] 0*16kB [ 268.864814] ? mark_held_locks+0x130/0x130 [ 268.869038] 1*32kB [ 268.871282] ? mark_held_locks+0xc7/0x130 [ 268.875505] (U) [ 268.877749] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 268.881878] 2*64kB [ 268.883859] ? graph_lock+0x170/0x170 [ 268.888867] (U) [ 268.891109] ? print_usage_bug+0xc0/0xc0 [ 268.894896] 1*128kB (U) [ 268.896943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.900985] 1*256kB (U) [ 268.903675] ? check_preemption_disabled+0x48/0x200 [ 268.909198] 0*512kB [ 268.911875] ? check_preemption_disabled+0x48/0x200 [ 268.916875] 1*1024kB [ 268.919209] ? __lock_is_held+0xb5/0x140 [ 268.924203] (U) [ 268.926625] __alloc_pages_nodemask+0xa80/0xde0 [ 268.930672] 1*2048kB [ 268.932655] ? graph_lock+0x170/0x170 [ 268.937308] (M) [ 268.939727] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.943510] 3*4096kB (M) [ 268.945497] ? graph_lock+0x170/0x170 [ 268.950498] = 15908kB [ 268.953265] ? find_held_lock+0x36/0x1c0 [ 268.957049] Node 0 [ 268.959469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.963513] DMA32: [ 268.965756] ? lock_downgrade+0x900/0x900 [ 268.970410] 5*4kB [ 268.972655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.976786] (UM) [ 268.978971] cache_grow_begin+0x91/0x8c0 [ 268.984496] 0*8kB [ 268.986564] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.990610] 3*16kB [ 268.992773] fallback_alloc+0x203/0x2e0 [ 268.997161] (UM) [ 268.999407] ____cache_alloc_node+0x1c7/0x1e0 [ 269.003364] 2*32kB [ 269.005433] kmem_cache_alloc_node+0xe3/0x730 [ 269.009941] (M) [ 269.012185] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.016667] 5*64kB [ 269.018652] __alloc_skb+0x119/0x770 [ 269.022869] (UM) [ 269.025112] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.028807] 3*128kB (M) [ 269.030882] ? skb_scrub_packet+0x490/0x490 [ 269.036145] 3*256kB [ 269.038823] ? lock_downgrade+0x900/0x900 [ 269.043131] (M) [ 269.045470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.049601] 4*512kB [ 269.051587] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.057111] (UM) [ 269.059444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.064884] 3*1024kB [ 269.066979] ? addrconf_rs_timer+0x690/0x690 [ 269.072415] (UM) [ 269.074840] ndisc_alloc_skb+0x144/0x340 [ 269.079229] 1*2048kB [ 269.081297] ndisc_send_rs+0x331/0x6e0 [ 269.085341] (M) [ 269.087759] addrconf_rs_timer+0x314/0x690 [ 269.091630] 4*4096kB [ 269.093613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.097834] (M) [ 269.100261] call_timer_fn+0x272/0x920 [ 269.104473] = 25156kB [ 269.106505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.110377] Node 0 [ 269.112792] ? process_timeout+0x40/0x40 [ 269.117011] Normal: [ 269.119258] ? find_held_lock+0x36/0x1c0 [ 269.123304] 1005*4kB [ 269.125640] ? mark_held_locks+0xc7/0x130 [ 269.129681] (MEH) [ 269.132096] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.136286] 451*8kB [ 269.138443] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.143050] (ME) [ 269.145380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.149870] 184*16kB [ 269.151961] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.156190] (UME) [ 269.158607] ? trace_hardirqs_on+0xbd/0x310 [ 269.163183] 94*32kB [ 269.165335] ? kasan_check_read+0x11/0x20 [ 269.169644] (UME) [ 269.171981] ? __run_timers+0x7da/0xc70 [ 269.176120] 5*64kB [ 269.178279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.182241] (UM) [ 269.184487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.189944] 0*128kB [ 269.192016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.196236] 0*256kB [ 269.198565] __run_timers+0x7e5/0xc70 [ 269.202786] 0*512kB [ 269.205121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.208892] 0*1024kB 0*2048kB [ 269.211256] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.216608] 0*4096kB [ 269.219804] ? graph_lock+0x170/0x170 [ 269.224807] = 13900kB [ 269.227240] ? print_usage_bug+0xc0/0xc0 [ 269.231120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.233530] ? lock_release+0x970/0x970 [ 269.237588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.246423] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.250390] 4241 total pagecache pages [ 269.258980] ? find_held_lock+0x36/0x1c0 [ 269.264186] 0 pages in swap cache [ 269.268071] ? graph_lock+0x170/0x170 [ 269.272156] Swap cache stats: add 0, delete 0, find 0/0 [ 269.275613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.279401] Free swap = 0kB [ 269.284770] ? check_preemption_disabled+0x48/0x200 [ 269.290289] Total swap = 0kB [ 269.290297] 1965979 pages RAM [ 269.293328] ? __lock_is_held+0xb5/0x140 [ 269.298321] 0 pages HighMem/MovableOnly [ 269.301347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.304440] 342307 pages reserved [ 269.309049] ? check_preemption_disabled+0x48/0x200 [ 269.313015] 0 pages cma reserved [ 269.318561] run_timer_softirq+0x52/0xb0 [ 269.322061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.327017] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.330475] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.334438] __do_softirq+0x30b/0xad8 [ 269.334463] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.340959] syz-executor5 cpuset= [ 269.345986] ? pvclock_read_flags+0x160/0x160 [ 269.356457] syz5 [ 269.360264] ? lapic_next_event+0x5a/0x90 [ 269.365356] mems_allowed=0 [ 269.368812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.387866] ? check_preemption_disabled+0x48/0x200 [ 269.392891] ? check_preemption_disabled+0x48/0x200 [ 269.397954] ? kvm_clock_read+0x18/0x30 [ 269.401953] ? kvm_sched_clock_read+0x9/0x20 [ 269.406373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.411934] ? check_preemption_disabled+0x48/0x200 [ 269.416978] irq_exit+0x17f/0x1c0 [ 269.420440] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.425285] ? smp_reschedule_interrupt+0x109/0x650 [ 269.430303] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.436188] ? interrupt_entry+0xb5/0xf0 [ 269.440490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.445506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.450526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.455371] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.460383] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.465403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.470954] ? check_preemption_disabled+0x48/0x200 [ 269.475972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.481546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.486397] apic_timer_interrupt+0xf/0x20 [ 269.490634] [ 269.492872] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 269.497890] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 269.516800] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 269.524512] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 269.531776] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 269.539043] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 269.546308] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 269.553837] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 269.561126] ? list_lru_count_one+0x36d/0x450 [ 269.565623] ? list_lru_count_one+0x260/0x450 [ 269.570135] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.575943] ? kasan_check_read+0x11/0x20 [ 269.580096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.585375] ? rcu_bh_qs+0xc0/0xc0 [ 269.588948] list_lru_count_one+0x265/0x450 [ 269.593276] ? list_lru_add+0x980/0x980 [ 269.597259] ? deferred_split_count+0x65/0x170 [ 269.601842] ? shrink_huge_zero_page_count+0xc8/0x100 [ 269.607041] super_cache_count+0x153/0x2e0 [ 269.611287] do_shrink_slab+0x1a7/0xd20 [ 269.615268] ? lock_release+0x970/0x970 [ 269.619246] ? snapshot_refaults+0x290/0x290 [ 269.623661] ? ___might_sleep+0x1ed/0x300 [ 269.627816] ? down_read_trylock+0xff/0x1e0 [ 269.632141] ? shrink_slab+0x207/0x8c0 [ 269.636029] ? downgrade_write+0x2b0/0x2b0 [ 269.640267] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.645806] ? shrink_node_memcg+0xc82/0x18e0 [ 269.650319] shrink_slab+0x389/0x8c0 [ 269.654035] ? shrink_active_list+0x1c20/0x1c20 [ 269.658713] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 269.664344] ? kasan_check_read+0x11/0x20 [ 269.668494] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.672927] ? ___preempt_schedule+0x16/0x18 [ 269.677351] ? _raw_spin_unlock+0x3f/0x50 [ 269.681507] shrink_node+0x431/0x16b0 [ 269.685312] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 269.690618] ? shrink_node_memcg+0x18e0/0x18e0 [ 269.695202] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.699786] ? trace_hardirqs_on+0xbd/0x310 [ 269.704108] ? vmpressure+0x271/0x340 [ 269.707938] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 269.712534] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.718073] ? __cpuset_node_allowed+0x19b/0x660 [ 269.722831] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 269.728542] ? vmpressure+0x1a2/0x340 [ 269.732354] do_try_to_free_pages+0x3e7/0x1290 [ 269.736971] ? shrink_node+0x16b0/0x16b0 [ 269.741035] ? __lock_is_held+0xb5/0x140 [ 269.745109] try_to_free_pages+0x4d0/0xb90 [ 269.749351] ? do_try_to_free_pages+0x1290/0x1290 [ 269.754192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.759743] ? lock_acquire+0x1ed/0x520 [ 269.763717] ? set_page_refcounted+0x280/0x280 [ 269.768306] ? lock_release+0x970/0x970 [ 269.772291] ? ___might_sleep+0x1ed/0x300 [ 269.776444] ? arch_local_save_flags+0x40/0x40 [ 269.781042] __alloc_pages_slowpath+0x993/0x2d80 [ 269.785832] ? warn_alloc+0x120/0x120 [ 269.789635] ? __radix_tree_lookup+0x4c0/0x4c0 [ 269.794234] ? find_get_entry+0x2f2/0xc40 [ 269.798392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.803954] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 269.808887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.814435] ? should_fail+0x22d/0xd01 [ 269.818331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.823436] ? __lock_is_held+0xb5/0x140 [ 269.827526] ? __lock_is_held+0xb5/0x140 [ 269.831602] ? __lock_acquire+0x7ec/0x4ec0 [ 269.835845] ? ___might_sleep+0x1ed/0x300 [ 269.839995] ? lock_release+0x970/0x970 [ 269.843971] ? arch_local_save_flags+0x40/0x40 [ 269.848570] ? __might_sleep+0x95/0x190 [ 269.852550] __alloc_pages_nodemask+0xa80/0xde0 [ 269.857230] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.862248] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.868044] ? kasan_check_read+0x11/0x20 [ 269.872193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.877472] ? graph_lock+0x170/0x170 [ 269.881277] ? print_usage_bug+0xc0/0xc0 [ 269.885343] ? graph_lock+0x170/0x170 [ 269.889140] ? graph_lock+0x170/0x170 [ 269.892954] ? __do_page_cache_readahead+0x7ce/0x980 [ 269.898067] ? find_held_lock+0x36/0x1c0 [ 269.902141] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.907684] alloc_pages_current+0x10c/0x210 [ 269.912094] ? lock_downgrade+0x900/0x900 [ 269.916251] __page_cache_alloc+0x38f/0x5b0 [ 269.920575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.926368] ? kasan_check_read+0x11/0x20 [ 269.930520] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.935801] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 269.940472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.946010] ? check_preemption_disabled+0x48/0x200 [ 269.951045] filemap_fault+0x1594/0x25f0 [ 269.955124] ? __lock_page_or_retry+0xa00/0xa00 [ 269.959791] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.965586] ? kasan_check_read+0x11/0x20 [ 269.969736] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.975010] ? ep_scan_ready_list+0xbeb/0x1050 [ 269.979590] ? rcu_bh_qs+0xc0/0xc0 [ 269.983136] ? lock_downgrade+0x900/0x900 [ 269.987292] ? graph_lock+0x170/0x170 [ 269.991103] ? filemap_map_pages+0xdea/0x1980 [ 269.995615] ? find_get_pages_range_tag+0x1320/0x1320 [ 270.000807] ? wait_for_completion+0x8a0/0x8a0 [ 270.005412] ? graph_lock+0x170/0x170 [ 270.009215] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.013800] ? kasan_check_read+0x11/0x20 [ 270.017951] ? ep_scan_ready_list+0xbc7/0x1050 [ 270.022539] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.028004] ? lock_acquire+0x1ed/0x520 [ 270.031979] ? ext4_filemap_fault+0x7a/0xad [ 270.036311] ? lock_release+0x970/0x970 [ 270.040287] ? arch_local_save_flags+0x40/0x40 [ 270.044873] ? ep_poll_callback+0x10e0/0x10e0 [ 270.049380] ? down_read+0xb0/0x1d0 [ 270.053007] ? ext4_filemap_fault+0x7a/0xad [ 270.057345] ? __down_interruptible+0x700/0x700 [ 270.062024] ? get_futex_key+0x21b0/0x21b0 [ 270.066273] ext4_filemap_fault+0x82/0xad [ 270.070423] __do_fault+0x100/0x6b0 [ 270.074051] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.078550] ? print_bad_pte+0x6c0/0x6c0 [ 270.082629] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.087226] ? trace_hardirqs_on+0xbd/0x310 [ 270.091548] ? kasan_check_read+0x11/0x20 [ 270.095712] ? pmd_val+0x88/0x100 [ 270.099167] ? add_mm_counter_fast+0xd0/0xd0 [ 270.103578] ? pmd_val+0x88/0x100 [ 270.107049] ? add_mm_counter_fast+0xd0/0xd0 [ 270.111466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.117021] __handle_mm_fault+0x3709/0x53e0 [ 270.121438] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 270.126284] ? graph_lock+0x170/0x170 [ 270.130086] ? print_usage_bug+0xc0/0xc0 [ 270.134150] ? rcu_bh_qs+0xc0/0xc0 [ 270.137692] ? graph_lock+0x170/0x170 [ 270.141491] ? graph_lock+0x170/0x170 [ 270.145314] ? handle_mm_fault+0x42a/0xc70 [ 270.149552] ? lock_downgrade+0x900/0x900 [ 270.153733] ? check_preemption_disabled+0x48/0x200 [ 270.158757] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.164551] ? kasan_check_read+0x11/0x20 [ 270.168702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.173980] ? rcu_bh_qs+0xc0/0xc0 [ 270.177522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.182980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.188518] ? check_preemption_disabled+0x48/0x200 [ 270.193547] handle_mm_fault+0x54f/0xc70 [ 270.197614] ? __handle_mm_fault+0x53e0/0x53e0 [ 270.202204] ? find_vma+0x34/0x190 [ 270.205755] __do_page_fault+0x67d/0xed0 [ 270.209826] ? mm_fault_error+0x380/0x380 [ 270.213973] ? trace_hardirqs_off+0xb8/0x310 [ 270.218384] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.223749] ? trace_hardirqs_on+0x310/0x310 [ 270.228169] do_page_fault+0xf2/0x7e0 [ 270.231976] ? vmalloc_sync_all+0x30/0x30 [ 270.236125] ? error_entry+0x70/0xd0 [ 270.239841] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.244854] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.249783] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.254710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.259555] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.264571] ? trace_hardirqs_off+0x310/0x310 [ 270.269070] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.274091] ? page_fault+0x8/0x30 [ 270.277637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.282483] ? page_fault+0x8/0x30 [ 270.286025] page_fault+0x1e/0x30 [ 270.289481] RIP: 0033:0x45df89 [ 270.292680] Code: Bad RIP value. [ 270.296039] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 270.301415] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 270.309155] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 270.316426] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 270.323693] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 270.330960] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 270.338255] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 270.338321] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.345447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.345453] Call Trace: [ 270.345460] [ 270.345481] dump_stack+0x1c4/0x2b4 [ 270.345500] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.352060] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.361338] warn_alloc.cold.119+0xb7/0x1bd [ 270.363891] syz-fuzzer cpuset= [ 270.366039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.369637] / [ 270.374822] ? lock_downgrade+0x900/0x900 [ 270.385025] mems_allowed=0 [ 270.389349] ? trace_hardirqs_off+0xb8/0x310 [ 270.410494] ? trace_hardirqs_off+0xb8/0x310 [ 270.414925] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.419802] ? warn_alloc+0x120/0x120 [ 270.423603] ? trace_hardirqs_on+0x310/0x310 [ 270.428016] ? warn_alloc+0x120/0x120 [ 270.431824] ? print_usage_bug+0xc0/0xc0 [ 270.435887] ? warn_alloc+0x120/0x120 [ 270.439692] ? ktime_get+0x2e1/0x440 [ 270.443407] ? print_usage_bug+0xc0/0xc0 [ 270.447501] ? __lock_acquire+0x7ec/0x4ec0 [ 270.451744] ? __lock_acquire+0x7ec/0x4ec0 [ 270.455981] ? kasan_check_read+0x11/0x20 [ 270.460131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.465670] ? should_fail+0x22d/0xd01 [ 270.469561] ? rcu_bh_qs+0xc0/0xc0 [ 270.473102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.478209] ? __lock_acquire+0x7ec/0x4ec0 [ 270.482456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.487557] ? __lock_acquire+0x7ec/0x4ec0 [ 270.491788] ? should_fail+0x22d/0xd01 [ 270.495676] ? rcu_idle_enter+0x4b0/0x4b0 [ 270.499831] ? mark_held_locks+0x130/0x130 [ 270.504072] ? mark_held_locks+0x130/0x130 [ 270.508315] ? mark_held_locks+0xc7/0x130 [ 270.512463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 270.517478] ? graph_lock+0x170/0x170 [ 270.521277] ? print_usage_bug+0xc0/0xc0 [ 270.525341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.530891] ? check_preemption_disabled+0x48/0x200 [ 270.535924] ? check_preemption_disabled+0x48/0x200 [ 270.540966] ? __lock_is_held+0xb5/0x140 [ 270.545042] __alloc_pages_nodemask+0xa80/0xde0 [ 270.549717] ? graph_lock+0x170/0x170 [ 270.553527] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.558556] ? graph_lock+0x170/0x170 [ 270.562372] ? find_held_lock+0x36/0x1c0 [ 270.566478] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.571150] ? lock_downgrade+0x900/0x900 [ 270.575327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.580880] cache_grow_begin+0x91/0x8c0 [ 270.584958] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.589380] fallback_alloc+0x203/0x2e0 [ 270.593369] ____cache_alloc_node+0x1c7/0x1e0 [ 270.597886] kmem_cache_alloc_node+0xe3/0x730 [ 270.602398] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.606676] __alloc_skb+0x119/0x770 [ 270.610392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.615687] ? skb_scrub_packet+0x490/0x490 [ 270.620015] ? lock_downgrade+0x900/0x900 [ 270.624174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.629715] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.635175] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.640663] ? addrconf_rs_timer+0x690/0x690 [ 270.645086] ndisc_alloc_skb+0x144/0x340 [ 270.649252] ndisc_send_rs+0x331/0x6e0 [ 270.653150] addrconf_rs_timer+0x314/0x690 [ 270.657390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.661651] call_timer_fn+0x272/0x920 [ 270.665552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.669801] ? process_timeout+0x40/0x40 [ 270.673866] ? find_held_lock+0x36/0x1c0 [ 270.677947] ? __run_timers+0x7da/0xc70 [ 270.681936] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.686436] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.690937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.695177] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.699761] ? trace_hardirqs_on+0xbd/0x310 [ 270.704083] ? kasan_check_read+0x11/0x20 [ 270.708234] ? __run_timers+0x7da/0xc70 [ 270.712239] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.717700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.721946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.726227] __run_timers+0x7e5/0xc70 [ 270.730044] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.735413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.740445] ? graph_lock+0x170/0x170 [ 270.744255] ? enqueue_hrtimer+0x1a5/0x560 [ 270.748488] ? lock_release+0x970/0x970 [ 270.752467] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.757665] ? find_held_lock+0x36/0x1c0 [ 270.761729] ? graph_lock+0x170/0x170 [ 270.765550] ? pvclock_read_flags+0x160/0x160 [ 270.770062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.775602] ? check_preemption_disabled+0x48/0x200 [ 270.780634] ? __lock_is_held+0xb5/0x140 [ 270.784694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.790231] ? check_preemption_disabled+0x48/0x200 [ 270.795258] run_timer_softirq+0x52/0xb0 [ 270.799321] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.804342] __do_softirq+0x30b/0xad8 [ 270.808155] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.813266] ? pvclock_read_flags+0x160/0x160 [ 270.817763] ? lapic_next_event+0x5a/0x90 [ 270.821922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.827460] ? check_preemption_disabled+0x48/0x200 [ 270.832477] ? check_preemption_disabled+0x48/0x200 [ 270.837499] ? kvm_clock_read+0x18/0x30 [ 270.841476] ? kvm_sched_clock_read+0x9/0x20 [ 270.845900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.851461] ? check_preemption_disabled+0x48/0x200 [ 270.856503] irq_exit+0x17f/0x1c0 [ 270.859995] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.864835] ? smp_reschedule_interrupt+0x109/0x650 [ 270.869852] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.875737] ? interrupt_entry+0xb5/0xf0 [ 270.879800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.884833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.889852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.894701] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.899719] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.904735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.910277] ? check_preemption_disabled+0x48/0x200 [ 270.915293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.920851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.925706] apic_timer_interrupt+0xf/0x20 [ 270.929943] [ 270.932183] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 270.937115] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 270.956018] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.963725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.970997] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 270.978263] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 270.985530] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 270.992795] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.000109] skb_clone+0x1bb/0x500 [ 271.003652] ? finish_task_switch+0x1b5/0x900 [ 271.008152] ? skb_split+0x11e0/0x11e0 [ 271.012040] ? preempt_notifier_register+0x200/0x200 [ 271.017145] ? __switch_to_asm+0x34/0x70 [ 271.021205] ? __switch_to_asm+0x34/0x70 [ 271.025261] ? __switch_to_asm+0x40/0x70 [ 271.029318] ? __switch_to_asm+0x34/0x70 [ 271.033375] ? __switch_to_asm+0x40/0x70 [ 271.037442] ? __switch_to_asm+0x34/0x70 [ 271.041506] ? __switch_to_asm+0x40/0x70 [ 271.045565] ? __switch_to_asm+0x34/0x70 [ 271.049626] ? __switch_to_asm+0x34/0x70 [ 271.053699] ? __switch_to_asm+0x40/0x70 [ 271.057756] ? __switch_to_asm+0x34/0x70 [ 271.061834] bpf_clone_redirect+0xb9/0x490 [ 271.066081] ? __schedule+0x874/0x1ed0 [ 271.069978] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 271.075002] ? __sched_text_start+0x8/0x8 [ 271.079178] ? find_held_lock+0x36/0x1c0 [ 271.083251] ? lock_acquire+0x1ed/0x520 [ 271.087226] ? bpf_test_run+0x32e/0x5a0 [ 271.091209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.096753] ? check_preemption_disabled+0x48/0x200 [ 271.101776] ? kasan_check_read+0x11/0x20 [ 271.105931] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.111218] ? rcu_bh_qs+0xc0/0xc0 [ 271.114763] ? preempt_schedule+0x4d/0x60 [ 271.118920] ? ___preempt_schedule+0x16/0x18 [ 271.123344] ? bpf_test_run+0x1c0/0x5a0 [ 271.127328] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.131739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.137279] ? bpf_test_init.isra.9+0x70/0x100 [ 271.141867] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.146632] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.151503] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.157632] ? fput+0x130/0x1a0 [ 271.160930] ? __bpf_prog_get+0x9b/0x290 [ 271.164995] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.169834] ? bpf_prog_test_run+0x130/0x1a0 [ 271.174247] ? __x64_sys_bpf+0x3d8/0x510 [ 271.178309] ? bpf_prog_get+0x20/0x20 [ 271.182130] ? do_syscall_64+0x1b9/0x820 [ 271.186199] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.191566] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.196498] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.201514] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.206530] ? recalc_sigpending_tsk+0x180/0x180 [ 271.211302] ? kasan_check_write+0x14/0x20 [ 271.215545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.220400] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.225785] warn_alloc_show_mem: 1 callbacks suppressed [ 271.225796] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 271.225798] Mem-Info: [ 271.225829] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 271.225829] active_file:13 inactive_file:13 isolated_file:1 [ 271.225829] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.225829] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 271.225829] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 271.225829] free:13741 free_pcp:221 free_cma:0 [ 271.231167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.238096] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.240493] Call Trace: [ 271.273625] Node 0 [ 271.282974] [ 271.311048] 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 [ 271.313621] dump_stack+0x1c4/0x2b4 [ 271.315823] lowmem_reserve[]: [ 271.317978] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.343450] 0 2819 [ 271.347096] warn_alloc.cold.119+0xb7/0x1bd [ 271.350160] 6323 [ 271.355347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.357555] 6323 [ 271.361889] ? lock_downgrade+0x900/0x900 [ 271.368784] ? trace_hardirqs_off+0xb8/0x310 [ 271.370815] Node 0 [ 271.374968] ? trace_hardirqs_off+0xb8/0x310 [ 271.379369] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.381586] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.385962] lowmem_reserve[]: [ 271.413056] ? warn_alloc+0x120/0x120 [ 271.417857] 0 [ 271.420968] ? trace_hardirqs_on+0x310/0x310 [ 271.424733] 0 3503 [ 271.426537] ? warn_alloc+0x120/0x120 [ 271.430933] 3503 [ 271.433168] ? print_usage_bug+0xc0/0xc0 [ 271.436944] Node 0 [ 271.439200] ? warn_alloc+0x120/0x120 [ 271.443266] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 271.445470] ? ktime_get+0x2e1/0x440 [ 271.449246] lowmem_reserve[]: [ 271.477724] ? print_usage_bug+0xc0/0xc0 [ 271.481412] 0 [ 271.484513] ? __lock_acquire+0x7ec/0x4ec0 [ 271.488543] 0 [ 271.490345] ? __lock_acquire+0x7ec/0x4ec0 [ 271.494547] 0 0 [ 271.496353] ? kasan_check_read+0x11/0x20 [ 271.502536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.506661] Node 0 [ 271.512199] ? should_fail+0x22d/0xd01 [ 271.512202] DMA: 1*4kB [ 271.514450] ? rcu_bh_qs+0xc0/0xc0 [ 271.518315] (U) [ 271.520895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.524403] 0*8kB [ 271.526373] ? __lock_acquire+0x7ec/0x4ec0 [ 271.531450] 0*16kB [ 271.533596] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.537799] 1*32kB (U) [ 271.540035] ? __lock_acquire+0x7ec/0x4ec0 [ 271.540053] ? should_fail+0x22d/0xd01 [ 271.545127] 2*64kB (U) [ 271.547718] ? rcu_idle_enter+0x4b0/0x4b0 [ 271.551926] 1*128kB (U) [ 271.555831] ? mark_held_locks+0x130/0x130 [ 271.558384] 1*256kB [ 271.562530] ? mark_held_locks+0x130/0x130 [ 271.565176] (U) [ 271.569409] ? mark_held_locks+0xc7/0x130 [ 271.571704] 0*512kB [ 271.575943] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 271.577885] 1*1024kB (U) [ 271.582047] ? graph_lock+0x170/0x170 [ 271.584349] 1*2048kB [ 271.589361] ? print_usage_bug+0xc0/0xc0 [ 271.592091] (M) [ 271.595898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.598280] 3*4096kB [ 271.602337] ? check_preemption_disabled+0x48/0x200 [ 271.604286] (M) [ 271.609819] ? check_preemption_disabled+0x48/0x200 [ 271.612206] = 15908kB [ 271.617225] ? __lock_is_held+0xb5/0x140 [ 271.619171] Node 0 [ 271.624182] __alloc_pages_nodemask+0xa80/0xde0 [ 271.626564] DMA32: [ 271.630620] ? graph_lock+0x170/0x170 [ 271.632830] 5*4kB [ 271.637495] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.639703] (UM) [ 271.643495] ? graph_lock+0x170/0x170 [ 271.645620] 0*8kB [ 271.650647] ? find_held_lock+0x36/0x1c0 [ 271.652680] 3*16kB [ 271.656477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.658596] (UM) [ 271.662652] ? lock_downgrade+0x900/0x900 [ 271.664864] 2*32kB (M) [ 271.669538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.671565] 5*64kB (UM) [ 271.675716] cache_grow_begin+0x91/0x8c0 [ 271.678265] 3*128kB (M) [ 271.683804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.686449] 3*256kB [ 271.690509] fallback_alloc+0x203/0x2e0 [ 271.693156] (M) [ 271.697601] ____cache_alloc_node+0x1c7/0x1e0 [ 271.699935] 4*512kB [ 271.703945] kmem_cache_alloc_node+0xe3/0x730 [ 271.705889] (UM) [ 271.710386] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.712686] 3*1024kB [ 271.717177] __alloc_skb+0x119/0x770 [ 271.719209] (UM) [ 271.723443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.725825] 1*2048kB [ 271.729532] ? skb_scrub_packet+0x490/0x490 [ 271.731591] (M) [ 271.736864] ? lock_downgrade+0x900/0x900 [ 271.739242] 4*4096kB (M) [ 271.743571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.745528] = 25156kB [ 271.749667] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.752396] Node 0 [ 271.757938] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.760321] Normal: [ 271.765767] ? addrconf_rs_timer+0x690/0x690 [ 271.767976] 1005*4kB [ 271.773424] ndisc_alloc_skb+0x144/0x340 [ 271.775716] (MEH) [ 271.780123] ndisc_send_rs+0x331/0x6e0 [ 271.782504] 451*8kB (ME) [ 271.786569] addrconf_rs_timer+0x314/0x690 [ 271.788693] 184*16kB [ 271.792572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.795308] (UME) [ 271.799547] call_timer_fn+0x272/0x920 [ 271.801926] 94*32kB (UME) [ 271.806166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.808294] 5*64kB [ 271.812175] ? process_timeout+0x40/0x40 [ 271.814992] (UM) [ 271.819217] ? find_held_lock+0x36/0x1c0 [ 271.821428] 0*128kB 0*256kB [ 271.825502] ? mark_held_locks+0xc7/0x130 [ 271.827539] 0*512kB [ 271.831594] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.834584] 0*1024kB [ 271.838740] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.841040] 0*2048kB [ 271.845525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.847920] 0*4096kB [ 271.852413] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.854805] = 13900kB [ 271.859034] ? trace_hardirqs_on+0xbd/0x310 [ 271.861434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.865997] ? kasan_check_read+0x11/0x20 [ 271.868388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.872696] ? __run_timers+0x7da/0xc70 [ 271.881506] 4241 total pagecache pages [ 271.885648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.894199] 0 pages in swap cache [ 271.898172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.902028] Swap cache stats: add 0, delete 0, find 0/0 [ 271.902037] Free swap = 0kB [ 271.907484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.910907] Total swap = 0kB [ 271.915146] __run_timers+0x7e5/0xc70 [ 271.920486] 1965979 pages RAM [ 271.923508] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.927704] 0 pages HighMem/MovableOnly [ 271.927712] 342307 pages reserved [ 271.930722] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.934491] 0 pages cma reserved [ 271.934577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.937597] ? graph_lock+0x170/0x170 [ 271.943044] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.946926] ? print_usage_bug+0xc0/0xc0 [ 271.950347] syz-executor5 cpuset= [ 271.955356] ? lock_release+0x970/0x970 [ 271.958699] syz5 [ 271.965183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.968960] mems_allowed=0 [ 271.979442] ? find_held_lock+0x36/0x1c0 [ 272.005047] ? graph_lock+0x170/0x170 [ 272.008859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.014399] ? check_preemption_disabled+0x48/0x200 [ 272.019429] ? __lock_is_held+0xb5/0x140 [ 272.023496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.029036] ? check_preemption_disabled+0x48/0x200 [ 272.034063] run_timer_softirq+0x52/0xb0 [ 272.038124] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.043148] __do_softirq+0x30b/0xad8 [ 272.046964] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.052081] ? pvclock_read_flags+0x160/0x160 [ 272.056576] ? lapic_next_event+0x5a/0x90 [ 272.060724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.066267] ? check_preemption_disabled+0x48/0x200 [ 272.071285] ? check_preemption_disabled+0x48/0x200 [ 272.076310] ? kvm_clock_read+0x18/0x30 [ 272.080287] ? kvm_sched_clock_read+0x9/0x20 [ 272.084699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.090237] ? check_preemption_disabled+0x48/0x200 [ 272.095285] irq_exit+0x17f/0x1c0 [ 272.098760] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.103603] ? smp_reschedule_interrupt+0x109/0x650 [ 272.108621] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.114507] ? interrupt_entry+0xb5/0xf0 [ 272.118572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.123588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.128605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.133446] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.138461] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.143486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.149042] ? check_preemption_disabled+0x48/0x200 [ 272.154058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.159606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.164458] apic_timer_interrupt+0xf/0x20 [ 272.168687] [ 272.170939] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 272.175958] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 272.194878] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 272.202602] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 272.209887] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 272.217171] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 272.224436] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 272.231707] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 272.239001] ? list_lru_count_one+0x36d/0x450 [ 272.243502] ? list_lru_count_one+0x260/0x450 [ 272.248014] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.253845] ? kasan_check_read+0x11/0x20 [ 272.258003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.263302] ? rcu_bh_qs+0xc0/0xc0 [ 272.266860] list_lru_count_one+0x265/0x450 [ 272.271192] ? list_lru_add+0x980/0x980 [ 272.275180] ? deferred_split_count+0x65/0x170 [ 272.279763] ? shrink_huge_zero_page_count+0xc8/0x100 [ 272.284961] super_cache_count+0x153/0x2e0 [ 272.289207] do_shrink_slab+0x1a7/0xd20 [ 272.293193] ? lock_release+0x970/0x970 [ 272.297176] ? snapshot_refaults+0x290/0x290 [ 272.301597] ? ___might_sleep+0x1ed/0x300 [ 272.305753] ? down_read_trylock+0xff/0x1e0 [ 272.310072] ? shrink_slab+0x207/0x8c0 [ 272.313970] ? downgrade_write+0x2b0/0x2b0 [ 272.318206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.323743] ? shrink_node_memcg+0xc82/0x18e0 [ 272.328253] shrink_slab+0x389/0x8c0 [ 272.331972] ? shrink_active_list+0x1c20/0x1c20 [ 272.336661] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 272.342288] ? kasan_check_read+0x11/0x20 [ 272.346437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.350858] ? ___preempt_schedule+0x16/0x18 [ 272.355275] ? _raw_spin_unlock+0x3f/0x50 [ 272.359493] shrink_node+0x431/0x16b0 [ 272.363300] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 272.368605] ? shrink_node_memcg+0x18e0/0x18e0 [ 272.373188] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.377771] ? trace_hardirqs_on+0xbd/0x310 [ 272.382096] ? vmpressure+0x271/0x340 [ 272.385905] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 272.390508] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.396046] ? __cpuset_node_allowed+0x19b/0x660 [ 272.400806] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 272.406520] ? vmpressure+0x1a2/0x340 [ 272.410343] do_try_to_free_pages+0x3e7/0x1290 [ 272.414960] ? shrink_node+0x16b0/0x16b0 [ 272.419031] ? __lock_is_held+0xb5/0x140 [ 272.423113] try_to_free_pages+0x4d0/0xb90 [ 272.427363] ? do_try_to_free_pages+0x1290/0x1290 [ 272.432211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.437768] ? lock_acquire+0x1ed/0x520 [ 272.441747] ? set_page_refcounted+0x280/0x280 [ 272.446336] ? lock_release+0x970/0x970 [ 272.450315] ? ___might_sleep+0x1ed/0x300 [ 272.454467] ? arch_local_save_flags+0x40/0x40 [ 272.459065] __alloc_pages_slowpath+0x993/0x2d80 [ 272.463859] ? warn_alloc+0x120/0x120 [ 272.467668] ? __radix_tree_lookup+0x4c0/0x4c0 [ 272.472264] ? find_get_entry+0x2f2/0xc40 [ 272.476521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.482060] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 272.486995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.492533] ? should_fail+0x22d/0xd01 [ 272.496435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.501547] ? __lock_is_held+0xb5/0x140 [ 272.505648] ? __lock_is_held+0xb5/0x140 [ 272.509731] ? __lock_acquire+0x7ec/0x4ec0 [ 272.513983] ? ___might_sleep+0x1ed/0x300 [ 272.518151] ? lock_release+0x970/0x970 [ 272.522130] ? arch_local_save_flags+0x40/0x40 [ 272.526732] ? __might_sleep+0x95/0x190 [ 272.530717] __alloc_pages_nodemask+0xa80/0xde0 [ 272.535396] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.540418] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.546230] ? kasan_check_read+0x11/0x20 [ 272.550383] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.555669] ? graph_lock+0x170/0x170 [ 272.559493] ? print_usage_bug+0xc0/0xc0 [ 272.563640] ? graph_lock+0x170/0x170 [ 272.567455] ? graph_lock+0x170/0x170 [ 272.571256] ? __do_page_cache_readahead+0x7ce/0x980 [ 272.576366] ? find_held_lock+0x36/0x1c0 [ 272.580433] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.585984] alloc_pages_current+0x10c/0x210 [ 272.590394] ? lock_downgrade+0x900/0x900 [ 272.594550] __page_cache_alloc+0x38f/0x5b0 [ 272.598879] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.604682] ? kasan_check_read+0x11/0x20 [ 272.608833] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.614115] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 272.618790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.624330] ? check_preemption_disabled+0x48/0x200 [ 272.629356] filemap_fault+0x1594/0x25f0 [ 272.633435] ? __lock_page_or_retry+0xa00/0xa00 [ 272.638106] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.643900] ? kasan_check_read+0x11/0x20 [ 272.648082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.653358] ? ep_scan_ready_list+0xbeb/0x1050 [ 272.657950] ? rcu_bh_qs+0xc0/0xc0 [ 272.661493] ? lock_downgrade+0x900/0x900 [ 272.665644] ? graph_lock+0x170/0x170 [ 272.669452] ? filemap_map_pages+0xdea/0x1980 [ 272.673974] ? find_get_pages_range_tag+0x1320/0x1320 [ 272.679166] ? wait_for_completion+0x8a0/0x8a0 [ 272.683750] ? graph_lock+0x170/0x170 [ 272.687554] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.692139] ? kasan_check_read+0x11/0x20 [ 272.696289] ? ep_scan_ready_list+0xbc7/0x1050 [ 272.700875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.706336] ? lock_acquire+0x1ed/0x520 [ 272.710310] ? ext4_filemap_fault+0x7a/0xad [ 272.714636] ? lock_release+0x970/0x970 [ 272.718615] ? arch_local_save_flags+0x40/0x40 [ 272.723202] ? ep_poll_callback+0x10e0/0x10e0 [ 272.727710] ? down_read+0xb0/0x1d0 [ 272.731337] ? ext4_filemap_fault+0x7a/0xad [ 272.735659] ? __down_interruptible+0x700/0x700 [ 272.740331] ? get_futex_key+0x21b0/0x21b0 [ 272.744585] ext4_filemap_fault+0x82/0xad [ 272.748737] __do_fault+0x100/0x6b0 [ 272.752382] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.756880] ? print_bad_pte+0x6c0/0x6c0 [ 272.760958] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.765544] ? trace_hardirqs_on+0xbd/0x310 [ 272.769862] ? kasan_check_read+0x11/0x20 [ 272.774010] ? pmd_val+0x88/0x100 [ 272.777463] ? add_mm_counter_fast+0xd0/0xd0 [ 272.781873] ? pmd_val+0x88/0x100 [ 272.785330] ? add_mm_counter_fast+0xd0/0xd0 [ 272.789745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.795287] __handle_mm_fault+0x3709/0x53e0 [ 272.799710] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 272.804555] ? graph_lock+0x170/0x170 [ 272.808368] ? print_usage_bug+0xc0/0xc0 [ 272.812433] ? rcu_bh_qs+0xc0/0xc0 [ 272.815979] ? graph_lock+0x170/0x170 [ 272.819779] ? graph_lock+0x170/0x170 [ 272.823600] ? handle_mm_fault+0x42a/0xc70 [ 272.827837] ? lock_downgrade+0x900/0x900 [ 272.831988] ? check_preemption_disabled+0x48/0x200 [ 272.837019] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.842812] ? kasan_check_read+0x11/0x20 [ 272.846974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.852251] ? rcu_bh_qs+0xc0/0xc0 [ 272.855794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.861245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.866787] ? check_preemption_disabled+0x48/0x200 [ 272.871817] handle_mm_fault+0x54f/0xc70 [ 272.875887] ? __handle_mm_fault+0x53e0/0x53e0 [ 272.880489] ? find_vma+0x34/0x190 [ 272.884040] __do_page_fault+0x67d/0xed0 [ 272.888110] ? mm_fault_error+0x380/0x380 [ 272.892258] ? trace_hardirqs_off+0xb8/0x310 [ 272.896674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.902037] ? trace_hardirqs_on+0x310/0x310 [ 272.906452] do_page_fault+0xf2/0x7e0 [ 272.910255] ? vmalloc_sync_all+0x30/0x30 [ 272.914408] ? error_entry+0x70/0xd0 [ 272.918127] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.923143] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.928078] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.933006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.937852] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.942864] ? trace_hardirqs_off+0x310/0x310 [ 272.947366] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.952383] ? page_fault+0x8/0x30 [ 272.955939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.960786] ? page_fault+0x8/0x30 [ 272.964326] page_fault+0x1e/0x30 [ 272.967778] RIP: 0033:0x45df89 [ 272.970972] Code: Bad RIP value. [ 272.974333] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 272.979698] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 272.986966] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 272.994230] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 273.001507] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 273.008777] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 273.016075] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 273.016140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.023266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.023272] Call Trace: [ 273.023279] [ 273.023302] dump_stack+0x1c4/0x2b4 [ 273.023321] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.029864] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.039168] warn_alloc.cold.119+0xb7/0x1bd [ 273.041719] syz-fuzzer cpuset= [ 273.043862] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.047460] / [ 273.052642] ? lock_downgrade+0x900/0x900 [ 273.062840] mems_allowed=0 [ 273.067158] ? trace_hardirqs_off+0xb8/0x310 [ 273.088313] ? trace_hardirqs_off+0xb8/0x310 [ 273.092736] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.097609] ? warn_alloc+0x120/0x120 [ 273.101446] ? trace_hardirqs_on+0x310/0x310 [ 273.105856] ? warn_alloc+0x120/0x120 [ 273.109663] ? print_usage_bug+0xc0/0xc0 [ 273.113726] ? warn_alloc+0x120/0x120 [ 273.117527] ? ktime_get+0x2e1/0x440 [ 273.121246] ? print_usage_bug+0xc0/0xc0 [ 273.125312] ? __lock_acquire+0x7ec/0x4ec0 [ 273.129545] ? __lock_acquire+0x7ec/0x4ec0 [ 273.133779] ? kasan_check_read+0x11/0x20 [ 273.137939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.143486] ? should_fail+0x22d/0xd01 [ 273.147373] ? rcu_bh_qs+0xc0/0xc0 [ 273.150924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.156029] ? __lock_acquire+0x7ec/0x4ec0 [ 273.160267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.165370] ? __lock_acquire+0x7ec/0x4ec0 [ 273.169606] ? should_fail+0x22d/0xd01 [ 273.173497] ? rcu_idle_enter+0x4b0/0x4b0 [ 273.177656] ? mark_held_locks+0x130/0x130 [ 273.181906] ? mark_held_locks+0x130/0x130 [ 273.186167] ? mark_held_locks+0xc7/0x130 [ 273.190318] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 273.195337] ? graph_lock+0x170/0x170 [ 273.199143] ? print_usage_bug+0xc0/0xc0 [ 273.203209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.208751] ? check_preemption_disabled+0x48/0x200 [ 273.213770] ? check_preemption_disabled+0x48/0x200 [ 273.218798] ? __lock_is_held+0xb5/0x140 [ 273.222866] __alloc_pages_nodemask+0xa80/0xde0 [ 273.227537] ? graph_lock+0x170/0x170 [ 273.231344] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.236355] ? graph_lock+0x170/0x170 [ 273.240168] ? find_held_lock+0x36/0x1c0 [ 273.244240] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.248922] ? lock_downgrade+0x900/0x900 [ 273.253086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.258629] cache_grow_begin+0x91/0x8c0 [ 273.262692] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.267114] fallback_alloc+0x203/0x2e0 [ 273.271096] ____cache_alloc_node+0x1c7/0x1e0 [ 273.275599] kmem_cache_alloc_node+0xe3/0x730 [ 273.280098] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.284349] __alloc_skb+0x119/0x770 [ 273.288068] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.293348] ? skb_scrub_packet+0x490/0x490 [ 273.297670] ? lock_downgrade+0x900/0x900 [ 273.301826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.307512] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.312974] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.318440] ? addrconf_rs_timer+0x690/0x690 [ 273.322863] ndisc_alloc_skb+0x144/0x340 [ 273.326955] ndisc_send_rs+0x331/0x6e0 [ 273.330853] addrconf_rs_timer+0x314/0x690 [ 273.335097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.339347] call_timer_fn+0x272/0x920 [ 273.343242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.347478] ? process_timeout+0x40/0x40 [ 273.351536] ? find_held_lock+0x36/0x1c0 [ 273.355606] ? __run_timers+0x7da/0xc70 [ 273.359586] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.364084] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.368578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.372817] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.377402] ? trace_hardirqs_on+0xbd/0x310 [ 273.381729] ? kasan_check_read+0x11/0x20 [ 273.385877] ? __run_timers+0x7da/0xc70 [ 273.389858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.395317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.399573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.403813] __run_timers+0x7e5/0xc70 [ 273.407634] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.413003] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.418025] ? graph_lock+0x170/0x170 [ 273.421832] ? enqueue_hrtimer+0x1a5/0x560 [ 273.426086] ? lock_release+0x970/0x970 [ 273.430068] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.435265] ? find_held_lock+0x36/0x1c0 [ 273.439852] ? graph_lock+0x170/0x170 [ 273.443660] ? pvclock_read_flags+0x160/0x160 [ 273.448159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.453705] ? check_preemption_disabled+0x48/0x200 [ 273.458737] ? __lock_is_held+0xb5/0x140 [ 273.462803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.468346] ? check_preemption_disabled+0x48/0x200 [ 273.473371] run_timer_softirq+0x52/0xb0 [ 273.477441] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.482463] __do_softirq+0x30b/0xad8 [ 273.486277] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.491387] ? pvclock_read_flags+0x160/0x160 [ 273.495888] ? lapic_next_event+0x5a/0x90 [ 273.500061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.505614] ? check_preemption_disabled+0x48/0x200 [ 273.510631] ? check_preemption_disabled+0x48/0x200 [ 273.515656] ? kvm_clock_read+0x18/0x30 [ 273.519640] ? kvm_sched_clock_read+0x9/0x20 [ 273.524054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.529597] ? check_preemption_disabled+0x48/0x200 [ 273.534626] irq_exit+0x17f/0x1c0 [ 273.538083] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.542938] ? smp_reschedule_interrupt+0x109/0x650 [ 273.547960] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.553847] ? interrupt_entry+0xb5/0xf0 [ 273.557921] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.562944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.567965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.572814] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.577830] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.582849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.588391] ? check_preemption_disabled+0x48/0x200 [ 273.593416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.598972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.603828] apic_timer_interrupt+0xf/0x20 [ 273.608055] [ 273.610297] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.615227] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 273.634139] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.641850] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.649118] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 273.656395] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 273.663731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.671011] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.678338] skb_clone+0x1bb/0x500 [ 273.681882] ? finish_task_switch+0x1b5/0x900 [ 273.686389] ? skb_split+0x11e0/0x11e0 [ 273.690285] ? preempt_notifier_register+0x200/0x200 [ 273.695388] ? __switch_to_asm+0x34/0x70 [ 273.699454] ? __switch_to_asm+0x34/0x70 [ 273.703536] ? __switch_to_asm+0x40/0x70 [ 273.707595] ? __switch_to_asm+0x34/0x70 [ 273.711653] ? __switch_to_asm+0x40/0x70 [ 273.715710] ? __switch_to_asm+0x34/0x70 [ 273.719772] ? __switch_to_asm+0x40/0x70 [ 273.723829] ? __switch_to_asm+0x34/0x70 [ 273.727895] ? __switch_to_asm+0x34/0x70 [ 273.731963] ? __switch_to_asm+0x40/0x70 [ 273.736050] ? __switch_to_asm+0x34/0x70 [ 273.740125] bpf_clone_redirect+0xb9/0x490 [ 273.744362] ? __schedule+0x874/0x1ed0 [ 273.748256] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 273.753276] ? __sched_text_start+0x8/0x8 [ 273.757443] ? find_held_lock+0x36/0x1c0 [ 273.761514] ? lock_acquire+0x1ed/0x520 [ 273.765491] ? bpf_test_run+0x32e/0x5a0 [ 273.769470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.775010] ? check_preemption_disabled+0x48/0x200 [ 273.780030] ? kasan_check_read+0x11/0x20 [ 273.784178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.789457] ? rcu_bh_qs+0xc0/0xc0 [ 273.793002] ? preempt_schedule+0x4d/0x60 [ 273.797155] ? ___preempt_schedule+0x16/0x18 [ 273.801574] ? bpf_test_run+0x1c0/0x5a0 [ 273.805561] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.809975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.815509] ? bpf_test_init.isra.9+0x70/0x100 [ 273.820098] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.824860] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.829705] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.835242] ? fput+0x130/0x1a0 [ 273.838526] ? __bpf_prog_get+0x9b/0x290 [ 273.842592] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.847437] ? bpf_prog_test_run+0x130/0x1a0 [ 273.851852] ? __x64_sys_bpf+0x3d8/0x510 [ 273.855935] ? bpf_prog_get+0x20/0x20 [ 273.859773] ? do_syscall_64+0x1b9/0x820 [ 273.863832] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.869198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.874132] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.879152] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.884174] ? recalc_sigpending_tsk+0x180/0x180 [ 273.888939] ? kasan_check_write+0x14/0x20 [ 273.893189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.898046] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.903444] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 273.903449] warn_alloc_show_mem: 1 callbacks suppressed [ 273.903457] Mem-Info: [ 273.910388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.915798] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 273.915798] active_file:13 inactive_file:13 isolated_file:1 [ 273.915798] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.915798] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 273.915798] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 273.915798] free:13741 free_pcp:221 free_cma:0 [ 273.918169] Call Trace: [ 273.927576] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.960596] [ 273.963171] Node 0 [ 273.991020] dump_stack+0x1c4/0x2b4 [ 273.993165] 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 [ 273.995379] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.998971] lowmem_reserve[]: 0 [ 274.024494] warn_alloc.cold.119+0xb7/0x1bd [ 274.029647] 2819 [ 274.032930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.037216] 6323 [ 274.039281] ? lock_downgrade+0x900/0x900 [ 274.044112] 6323 [ 274.046187] ? trace_hardirqs_off+0xb8/0x310 [ 274.050304] Node 0 [ 274.052362] ? trace_hardirqs_off+0xb8/0x310 [ 274.056770] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 274.058980] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.063349] lowmem_reserve[]: 0 [ 274.090449] ? warn_alloc+0x120/0x120 [ 274.095243] 0 [ 274.098521] ? warn_alloc+0x120/0x120 [ 274.102285] 3503 3503 [ 274.104090] ? print_usage_bug+0xc0/0xc0 [ 274.107865] Node 0 [ 274.110353] ? warn_alloc+0x120/0x120 [ 274.114414] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 274.116619] ? print_usage_bug+0xc0/0xc0 [ 274.120384] lowmem_reserve[]: 0 [ 274.148849] ? __lock_acquire+0x7ec/0x4ec0 [ 274.152883] 0 [ 274.156156] ? __lock_acquire+0x7ec/0x4ec0 [ 274.160356] 0 0 [ 274.162167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.168344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.173852] Node 0 [ 274.179377] ? should_fail+0x22d/0xd01 [ 274.179386] DMA: [ 274.181620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.185486] 1*4kB [ 274.187545] ? __lock_acquire+0x7ec/0x4ec0 [ 274.192623] (U) [ 274.194765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.198975] 0*8kB [ 274.200968] ? __lock_acquire+0x7ec/0x4ec0 [ 274.206044] 0*16kB [ 274.208184] ? should_fail+0x22d/0xd01 [ 274.212395] 1*32kB [ 274.214631] ? mark_held_locks+0x130/0x130 [ 274.218484] (U) [ 274.220713] ? mark_held_locks+0x130/0x130 [ 274.224934] 2*64kB [ 274.226906] ? graph_lock+0x170/0x170 [ 274.231121] (U) [ 274.233353] ? print_usage_bug+0xc0/0xc0 [ 274.237126] 1*128kB (U) [ 274.239103] ? graph_lock+0x170/0x170 [ 274.243139] 1*256kB [ 274.245825] ? print_usage_bug+0xc0/0xc0 [ 274.249599] (U) [ 274.251932] ? wq_watchdog_touch+0x9c/0xfe [ 274.255974] 0*512kB [ 274.257957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.262168] 1*1024kB [ 274.264488] ? check_preemption_disabled+0x48/0x200 [ 274.269995] (U) [ 274.272399] ? check_preemption_disabled+0x48/0x200 [ 274.277391] 1*2048kB [ 274.279365] ? __lock_is_held+0xb5/0x140 [ 274.284346] (M) [ 274.286754] __alloc_pages_nodemask+0xa80/0xde0 [ 274.290789] 3*4096kB [ 274.292761] ? graph_lock+0x170/0x170 [ 274.297401] (M) [ 274.299804] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.303579] = 15908kB [ 274.305547] ? graph_lock+0x170/0x170 [ 274.310539] Node 0 [ 274.312959] ? find_held_lock+0x36/0x1c0 [ 274.316729] DMA32: [ 274.318965] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.323003] 5*4kB [ 274.325232] ? lock_downgrade+0x900/0x900 [ 274.329875] (UM) [ 274.332031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.336153] 0*8kB [ 274.338214] cache_grow_begin+0x91/0x8c0 [ 274.343723] 3*16kB [ 274.345865] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.349899] (UM) [ 274.352143] fallback_alloc+0x203/0x2e0 [ 274.356522] 2*32kB [ 274.358585] ____cache_alloc_node+0x1c7/0x1e0 [ 274.362533] (M) [ 274.364767] kmem_cache_alloc_node+0xe3/0x730 [ 274.369236] 5*64kB [ 274.371206] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.375677] (UM) [ 274.377921] __alloc_skb+0x119/0x770 [ 274.382124] 3*128kB [ 274.384190] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.387874] (M) [ 274.390192] ? skb_scrub_packet+0x490/0x490 [ 274.395449] 3*256kB [ 274.397424] ? lock_downgrade+0x900/0x900 [ 274.401725] (M) [ 274.404046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.408164] 4*512kB [ 274.410144] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.415657] (UM) [ 274.417977] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.423402] 3*1024kB [ 274.425464] ? addrconf_rs_timer+0x690/0x690 [ 274.430884] (UM) [ 274.433296] ndisc_alloc_skb+0x144/0x340 [ 274.437667] 1*2048kB [ 274.439731] ndisc_send_rs+0x331/0x6e0 [ 274.443763] (M) [ 274.446170] addrconf_rs_timer+0x314/0x690 [ 274.450024] 4*4096kB (M) [ 274.452018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.456228] = 25156kB [ 274.458985] call_timer_fn+0x272/0x920 [ 274.463186] Node 0 [ 274.465588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.469447] Normal: 1005*4kB [ 274.471688] ? process_timeout+0x40/0x40 [ 274.475894] (MEH) [ 274.479015] ? find_held_lock+0x36/0x1c0 [ 274.483045] 451*8kB (ME) [ 274.485199] ? mark_held_locks+0xc7/0x130 [ 274.489229] 184*16kB [ 274.491979] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.496107] (UME) [ 274.498508] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.502972] 94*32kB (UME) [ 274.505126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.509598] 5*64kB [ 274.512439] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.516647] (UM) [ 274.518880] ? trace_hardirqs_on+0xbd/0x310 [ 274.523438] 0*128kB [ 274.525496] ? kasan_check_read+0x11/0x20 [ 274.529785] 0*256kB 0*512kB [ 274.532115] ? __run_timers+0x7da/0xc70 [ 274.536237] 0*1024kB [ 274.539246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.543200] 0*2048kB [ 274.545604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.551032] 0*4096kB [ 274.553453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.557663] = 13900kB [ 274.560069] __run_timers+0x7e5/0xc70 [ 274.564290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.566697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.570477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.579302] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.584639] 4241 total pagecache pages [ 274.593209] ? graph_lock+0x170/0x170 [ 274.598202] 0 pages in swap cache [ 274.602082] ? print_usage_bug+0xc0/0xc0 [ 274.605853] Swap cache stats: add 0, delete 0, find 0/0 [ 274.605862] Free swap = 0kB [ 274.609305] ? lock_release+0x970/0x970 [ 274.613339] Total swap = 0kB [ 274.618697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.621690] 1965979 pages RAM [ 274.625665] ? find_held_lock+0x36/0x1c0 [ 274.628650] 0 pages HighMem/MovableOnly [ 274.628659] 342307 pages reserved [ 274.633844] ? graph_lock+0x170/0x170 [ 274.636936] 0 pages cma reserved [ 274.640994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.645043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.648403] ? check_preemption_disabled+0x48/0x200 [ 274.648428] ? __lock_is_held+0xb5/0x140 [ 274.652300] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.655564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.661080] syz-executor5 cpuset= [ 274.667573] ? check_preemption_disabled+0x48/0x200 [ 274.672563] syz5 [ 274.676657] run_timer_softirq+0x52/0xb0 [ 274.687118] mems_allowed=0 [ 274.692657] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.715031] __do_softirq+0x30b/0xad8 [ 274.718853] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.723969] ? pvclock_read_flags+0x160/0x160 [ 274.728469] ? lapic_next_event+0x5a/0x90 [ 274.732619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.738160] ? check_preemption_disabled+0x48/0x200 [ 274.743178] ? check_preemption_disabled+0x48/0x200 [ 274.748201] ? kvm_clock_read+0x18/0x30 [ 274.752184] ? kvm_sched_clock_read+0x9/0x20 [ 274.756596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.762136] ? check_preemption_disabled+0x48/0x200 [ 274.767166] irq_exit+0x17f/0x1c0 [ 274.770633] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.775473] ? smp_reschedule_interrupt+0x109/0x650 [ 274.780493] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.786380] ? interrupt_entry+0xb5/0xf0 [ 274.790447] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.795465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.800481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.805326] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.810340] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.815370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.820921] ? check_preemption_disabled+0x48/0x200 [ 274.825965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.831511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.836365] apic_timer_interrupt+0xf/0x20 [ 274.840591] [ 274.842829] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 274.847849] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 274.866765] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 274.874517] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 274.881796] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 274.889081] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 274.896355] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 274.903621] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 274.910938] ? list_lru_count_one+0x36d/0x450 [ 274.915433] ? list_lru_count_one+0x260/0x450 [ 274.919958] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.925757] ? kasan_check_read+0x11/0x20 [ 274.929919] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.935209] ? rcu_bh_qs+0xc0/0xc0 [ 274.938763] list_lru_count_one+0x265/0x450 [ 274.943089] ? list_lru_add+0x980/0x980 [ 274.947108] ? deferred_split_count+0x65/0x170 [ 274.951691] ? shrink_huge_zero_page_count+0xc8/0x100 [ 274.956888] super_cache_count+0x153/0x2e0 [ 274.961138] do_shrink_slab+0x1a7/0xd20 [ 274.965120] ? lock_release+0x970/0x970 [ 274.969097] ? snapshot_refaults+0x290/0x290 [ 274.973512] ? ___might_sleep+0x1ed/0x300 [ 274.977698] ? down_read_trylock+0xff/0x1e0 [ 274.982015] ? shrink_slab+0x207/0x8c0 [ 274.985904] ? downgrade_write+0x2b0/0x2b0 [ 274.990166] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.995707] ? shrink_node_memcg+0xc82/0x18e0 [ 275.000215] shrink_slab+0x389/0x8c0 [ 275.003950] ? shrink_active_list+0x1c20/0x1c20 [ 275.008629] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 275.014271] ? kasan_check_read+0x11/0x20 [ 275.018421] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.022845] ? ___preempt_schedule+0x16/0x18 [ 275.027261] ? _raw_spin_unlock+0x3f/0x50 [ 275.031421] shrink_node+0x431/0x16b0 [ 275.035233] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 275.040536] ? shrink_node_memcg+0x18e0/0x18e0 [ 275.045123] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.049707] ? trace_hardirqs_on+0xbd/0x310 [ 275.054028] ? vmpressure+0x271/0x340 [ 275.057834] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 275.062424] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.067962] ? __cpuset_node_allowed+0x19b/0x660 [ 275.072720] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 275.078433] ? vmpressure+0x1a2/0x340 [ 275.082269] do_try_to_free_pages+0x3e7/0x1290 [ 275.086968] ? shrink_node+0x16b0/0x16b0 [ 275.091032] ? __lock_is_held+0xb5/0x140 [ 275.095115] try_to_free_pages+0x4d0/0xb90 [ 275.099354] ? do_try_to_free_pages+0x1290/0x1290 [ 275.104201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.109749] ? lock_acquire+0x1ed/0x520 [ 275.113723] ? set_page_refcounted+0x280/0x280 [ 275.118316] ? lock_release+0x970/0x970 [ 275.122301] ? ___might_sleep+0x1ed/0x300 [ 275.126453] ? arch_local_save_flags+0x40/0x40 [ 275.131058] __alloc_pages_slowpath+0x993/0x2d80 [ 275.135846] ? warn_alloc+0x120/0x120 [ 275.139645] ? __radix_tree_lookup+0x4c0/0x4c0 [ 275.144239] ? find_get_entry+0x2f2/0xc40 [ 275.148399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.153951] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 275.158888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.164437] ? should_fail+0x22d/0xd01 [ 275.168330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.173431] ? __lock_is_held+0xb5/0x140 [ 275.177521] ? __lock_is_held+0xb5/0x140 [ 275.181592] ? __lock_acquire+0x7ec/0x4ec0 [ 275.185832] ? ___might_sleep+0x1ed/0x300 [ 275.189977] ? lock_release+0x970/0x970 [ 275.193957] ? arch_local_save_flags+0x40/0x40 [ 275.198555] ? __might_sleep+0x95/0x190 [ 275.202539] __alloc_pages_nodemask+0xa80/0xde0 [ 275.207213] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.212233] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.218031] ? kasan_check_read+0x11/0x20 [ 275.222179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.227462] ? graph_lock+0x170/0x170 [ 275.231262] ? print_usage_bug+0xc0/0xc0 [ 275.235326] ? graph_lock+0x170/0x170 [ 275.239123] ? graph_lock+0x170/0x170 [ 275.242938] ? __do_page_cache_readahead+0x7ce/0x980 [ 275.248048] ? find_held_lock+0x36/0x1c0 [ 275.252116] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 275.257670] alloc_pages_current+0x10c/0x210 [ 275.262076] ? lock_downgrade+0x900/0x900 [ 275.266233] __page_cache_alloc+0x38f/0x5b0 [ 275.270558] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.276353] ? kasan_check_read+0x11/0x20 [ 275.280502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.285786] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 275.290457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.295997] ? check_preemption_disabled+0x48/0x200 [ 275.301024] filemap_fault+0x1594/0x25f0 [ 275.305098] ? __lock_page_or_retry+0xa00/0xa00 [ 275.310283] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.316077] ? kasan_check_read+0x11/0x20 [ 275.320234] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.325508] ? ep_scan_ready_list+0xbeb/0x1050 [ 275.330096] ? rcu_bh_qs+0xc0/0xc0 [ 275.333638] ? lock_downgrade+0x900/0x900 [ 275.337787] ? graph_lock+0x170/0x170 [ 275.341597] ? filemap_map_pages+0xdea/0x1980 [ 275.346110] ? find_get_pages_range_tag+0x1320/0x1320 [ 275.351303] ? wait_for_completion+0x8a0/0x8a0 [ 275.355887] ? graph_lock+0x170/0x170 [ 275.359701] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.364286] ? kasan_check_read+0x11/0x20 [ 275.368433] ? ep_scan_ready_list+0xbc7/0x1050 [ 275.373022] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.378484] ? lock_acquire+0x1ed/0x520 [ 275.382460] ? ext4_filemap_fault+0x7a/0xad [ 275.386811] ? lock_release+0x970/0x970 [ 275.390785] ? arch_local_save_flags+0x40/0x40 [ 275.395369] ? ep_poll_callback+0x10e0/0x10e0 [ 275.399881] ? down_read+0xb0/0x1d0 [ 275.403516] ? ext4_filemap_fault+0x7a/0xad [ 275.407842] ? __down_interruptible+0x700/0x700 [ 275.412516] ? get_futex_key+0x21b0/0x21b0 [ 275.416766] ext4_filemap_fault+0x82/0xad [ 275.420933] __do_fault+0x100/0x6b0 [ 275.424564] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.429060] ? print_bad_pte+0x6c0/0x6c0 [ 275.433131] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.437717] ? trace_hardirqs_on+0xbd/0x310 [ 275.442207] ? kasan_check_read+0x11/0x20 [ 275.446357] ? pmd_val+0x88/0x100 [ 275.449812] ? add_mm_counter_fast+0xd0/0xd0 [ 275.454222] ? pmd_val+0x88/0x100 [ 275.457679] ? add_mm_counter_fast+0xd0/0xd0 [ 275.462097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.467649] __handle_mm_fault+0x3709/0x53e0 [ 275.472074] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 275.476936] ? graph_lock+0x170/0x170 [ 275.480747] ? print_usage_bug+0xc0/0xc0 [ 275.484815] ? rcu_bh_qs+0xc0/0xc0 [ 275.488356] ? graph_lock+0x170/0x170 [ 275.492155] ? graph_lock+0x170/0x170 [ 275.495981] ? handle_mm_fault+0x42a/0xc70 [ 275.500217] ? lock_downgrade+0x900/0x900 [ 275.504368] ? check_preemption_disabled+0x48/0x200 [ 275.509395] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.515190] ? kasan_check_read+0x11/0x20 [ 275.519338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.524617] ? rcu_bh_qs+0xc0/0xc0 [ 275.528157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.533609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.539151] ? check_preemption_disabled+0x48/0x200 [ 275.544175] handle_mm_fault+0x54f/0xc70 [ 275.548243] ? __handle_mm_fault+0x53e0/0x53e0 [ 275.552827] ? find_vma+0x34/0x190 [ 275.556376] __do_page_fault+0x67d/0xed0 [ 275.560450] ? mm_fault_error+0x380/0x380 [ 275.564600] ? trace_hardirqs_off+0xb8/0x310 [ 275.569012] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.574378] ? trace_hardirqs_on+0x310/0x310 [ 275.578792] do_page_fault+0xf2/0x7e0 [ 275.582597] ? vmalloc_sync_all+0x30/0x30 [ 275.586753] ? error_entry+0x70/0xd0 [ 275.590468] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.595481] ? trace_hardirqs_on_caller+0xc0/0x310 [ 275.600409] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.605339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.610185] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.615204] ? trace_hardirqs_off+0x310/0x310 [ 275.619704] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.624721] ? page_fault+0x8/0x30 [ 275.628272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.633121] ? page_fault+0x8/0x30 [ 275.636663] page_fault+0x1e/0x30 [ 275.640118] RIP: 0033:0x45df89 [ 275.643312] Code: Bad RIP value. [ 275.646673] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 275.652037] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 275.659308] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 275.666577] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 275.673843] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 275.681110] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 275.688405] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 275.688473] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.695605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.695610] Call Trace: [ 275.695617] [ 275.695638] dump_stack+0x1c4/0x2b4 [ 275.695657] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.702222] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.711494] warn_alloc.cold.119+0xb7/0x1bd [ 275.714049] syz-fuzzer cpuset= [ 275.716199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.719802] / [ 275.724988] ? lock_downgrade+0x900/0x900 [ 275.735187] mems_allowed=0 [ 275.739503] ? trace_hardirqs_off+0xb8/0x310 [ 275.760643] ? trace_hardirqs_off+0xb8/0x310 [ 275.765075] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.769955] ? warn_alloc+0x120/0x120 [ 275.773762] ? trace_hardirqs_on+0x310/0x310 [ 275.778178] ? warn_alloc+0x120/0x120 [ 275.781987] ? print_usage_bug+0xc0/0xc0 [ 275.786052] ? warn_alloc+0x120/0x120 [ 275.789855] ? ktime_get+0x2e1/0x440 [ 275.793568] ? print_usage_bug+0xc0/0xc0 [ 275.797637] ? __lock_acquire+0x7ec/0x4ec0 [ 275.801873] ? __lock_acquire+0x7ec/0x4ec0 [ 275.806110] ? kasan_check_read+0x11/0x20 [ 275.810260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.815796] ? should_fail+0x22d/0xd01 [ 275.819687] ? rcu_bh_qs+0xc0/0xc0 [ 275.823232] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.828339] ? __lock_acquire+0x7ec/0x4ec0 [ 275.832577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.837700] ? __lock_acquire+0x7ec/0x4ec0 [ 275.841951] ? should_fail+0x22d/0xd01 [ 275.845841] ? rcu_idle_enter+0x4b0/0x4b0 [ 275.849997] ? mark_held_locks+0x130/0x130 [ 275.854242] ? mark_held_locks+0x130/0x130 [ 275.858482] ? mark_held_locks+0xc7/0x130 [ 275.862634] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 275.867658] ? graph_lock+0x170/0x170 [ 275.871457] ? print_usage_bug+0xc0/0xc0 [ 275.875537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.881088] ? check_preemption_disabled+0x48/0x200 [ 275.886108] ? check_preemption_disabled+0x48/0x200 [ 275.891141] ? __lock_is_held+0xb5/0x140 [ 275.895212] __alloc_pages_nodemask+0xa80/0xde0 [ 275.899891] ? graph_lock+0x170/0x170 [ 275.903704] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.908731] ? graph_lock+0x170/0x170 [ 275.912544] ? find_held_lock+0x36/0x1c0 [ 275.916616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.921287] ? lock_downgrade+0x900/0x900 [ 275.925448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.931001] cache_grow_begin+0x91/0x8c0 [ 275.935063] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.939483] fallback_alloc+0x203/0x2e0 [ 275.943469] ____cache_alloc_node+0x1c7/0x1e0 [ 275.947998] kmem_cache_alloc_node+0xe3/0x730 [ 275.952497] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.956746] __alloc_skb+0x119/0x770 [ 275.960466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.965746] ? skb_scrub_packet+0x490/0x490 [ 275.970067] ? lock_downgrade+0x900/0x900 [ 275.974223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.979768] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.985225] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.990683] ? addrconf_rs_timer+0x690/0x690 [ 275.995104] ndisc_alloc_skb+0x144/0x340 [ 275.999174] ndisc_send_rs+0x331/0x6e0 [ 276.003068] addrconf_rs_timer+0x314/0x690 [ 276.007310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.011564] call_timer_fn+0x272/0x920 [ 276.015456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.019698] ? process_timeout+0x40/0x40 [ 276.023760] ? find_held_lock+0x36/0x1c0 [ 276.027833] ? __run_timers+0x7da/0xc70 [ 276.031812] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.036309] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.040807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.045044] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.049628] ? trace_hardirqs_on+0xbd/0x310 [ 276.053956] ? kasan_check_read+0x11/0x20 [ 276.058120] ? __run_timers+0x7da/0xc70 [ 276.062110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.067570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.071810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.076057] __run_timers+0x7e5/0xc70 [ 276.079890] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.085268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.090284] ? graph_lock+0x170/0x170 [ 276.094092] ? enqueue_hrtimer+0x1a5/0x560 [ 276.098331] ? lock_release+0x970/0x970 [ 276.102305] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.107507] ? find_held_lock+0x36/0x1c0 [ 276.111577] ? graph_lock+0x170/0x170 [ 276.115390] ? pvclock_read_flags+0x160/0x160 [ 276.119890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.125478] ? check_preemption_disabled+0x48/0x200 [ 276.130508] ? __lock_is_held+0xb5/0x140 [ 276.134570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.140109] ? check_preemption_disabled+0x48/0x200 [ 276.145136] run_timer_softirq+0x52/0xb0 [ 276.149200] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.154221] __do_softirq+0x30b/0xad8 [ 276.158035] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.163146] ? pvclock_read_flags+0x160/0x160 [ 276.167643] ? lapic_next_event+0x5a/0x90 [ 276.171797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.177339] ? check_preemption_disabled+0x48/0x200 [ 276.182355] ? check_preemption_disabled+0x48/0x200 [ 276.187379] ? kvm_clock_read+0x18/0x30 [ 276.191355] ? kvm_sched_clock_read+0x9/0x20 [ 276.195765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.201302] ? check_preemption_disabled+0x48/0x200 [ 276.206331] irq_exit+0x17f/0x1c0 [ 276.209790] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.214633] ? smp_reschedule_interrupt+0x109/0x650 [ 276.219655] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.225543] ? interrupt_entry+0xb5/0xf0 [ 276.229607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.234631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.239717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.244563] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.249577] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.254594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.260142] ? check_preemption_disabled+0x48/0x200 [ 276.265156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.270712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.275569] apic_timer_interrupt+0xf/0x20 [ 276.279798] [ 276.282041] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.286971] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 276.305873] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.313593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.320857] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 276.328128] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 276.335395] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 276.342677] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 276.349991] skb_clone+0x1bb/0x500 [ 276.353533] ? finish_task_switch+0x1b5/0x900 [ 276.358032] ? skb_split+0x11e0/0x11e0 [ 276.361929] ? preempt_notifier_register+0x200/0x200 [ 276.367033] ? __switch_to_asm+0x34/0x70 [ 276.371091] ? __switch_to_asm+0x34/0x70 [ 276.375152] ? __switch_to_asm+0x40/0x70 [ 276.379213] ? __switch_to_asm+0x34/0x70 [ 276.383272] ? __switch_to_asm+0x40/0x70 [ 276.387331] ? __switch_to_asm+0x34/0x70 [ 276.391391] ? __switch_to_asm+0x40/0x70 [ 276.395459] ? __switch_to_asm+0x34/0x70 [ 276.399519] ? __switch_to_asm+0x34/0x70 [ 276.403578] ? __switch_to_asm+0x40/0x70 [ 276.407638] ? __switch_to_asm+0x34/0x70 [ 276.411712] bpf_clone_redirect+0xb9/0x490 [ 276.415951] ? __schedule+0x874/0x1ed0 [ 276.419849] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 276.424872] ? __sched_text_start+0x8/0x8 [ 276.429036] ? find_held_lock+0x36/0x1c0 [ 276.433107] ? lock_acquire+0x1ed/0x520 [ 276.437085] ? bpf_test_run+0x32e/0x5a0 [ 276.441062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.446603] ? check_preemption_disabled+0x48/0x200 [ 276.451625] ? kasan_check_read+0x11/0x20 [ 276.455774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.461050] ? rcu_bh_qs+0xc0/0xc0 [ 276.464593] ? preempt_schedule+0x4d/0x60 [ 276.468741] ? ___preempt_schedule+0x16/0x18 [ 276.473176] ? bpf_test_run+0x1c0/0x5a0 [ 276.477162] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.481574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.487112] ? bpf_test_init.isra.9+0x70/0x100 [ 276.491707] ? bpf_prog_test_run_skb+0x634/0xb40 [ 276.496469] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.501311] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.506848] ? fput+0x130/0x1a0 [ 276.510132] ? __bpf_prog_get+0x9b/0x290 [ 276.514199] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.519044] ? bpf_prog_test_run+0x130/0x1a0 [ 276.523461] ? __x64_sys_bpf+0x3d8/0x510 [ 276.527520] ? bpf_prog_get+0x20/0x20 [ 276.531345] ? do_syscall_64+0x1b9/0x820 [ 276.535409] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.540780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.545715] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.550736] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.555753] ? recalc_sigpending_tsk+0x180/0x180 [ 276.560514] ? kasan_check_write+0x14/0x20 [ 276.564756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.569621] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.575004] warn_alloc_show_mem: 1 callbacks suppressed [ 276.575015] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 276.575017] Mem-Info: [ 276.575048] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 276.575048] active_file:13 inactive_file:13 isolated_file:1 [ 276.575048] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.575048] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 276.575048] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 276.575048] free:13741 free_pcp:221 free_cma:0 [ 276.580388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.587318] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.589713] Call Trace: [ 276.622756] Node 0 [ 276.632102] [ 276.659966] 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 [ 276.662525] dump_stack+0x1c4/0x2b4 [ 276.664722] lowmem_reserve[]: 0 [ 276.666874] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.692342] 2819 6323 [ 276.695989] warn_alloc.cold.119+0xb7/0x1bd [ 276.699229] 6323 [ 276.704410] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.711190] ? lock_downgrade+0x900/0x900 [ 276.713230] Node 0 [ 276.718070] ? trace_hardirqs_off+0xb8/0x310 [ 276.722225] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 276.724429] ? trace_hardirqs_off+0xb8/0x310 [ 276.728806] lowmem_reserve[]: 0 [ 276.755884] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.760265] 0 [ 276.763570] ? warn_alloc+0x120/0x120 [ 276.768357] 3503 [ 276.770156] ? trace_hardirqs_on+0x310/0x310 [ 276.773931] 3503 [ 276.776025] ? warn_alloc+0x120/0x120 [ 276.780412] Node 0 [ 276.782473] ? print_usage_bug+0xc0/0xc0 [ 276.786270] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 276.788488] ? warn_alloc+0x120/0x120 [ 276.792518] lowmem_reserve[]: 0 [ 276.820980] ? ktime_get+0x2e1/0x440 [ 276.821008] ? print_usage_bug+0xc0/0xc0 [ 276.824793] 0 [ 276.828068] ? __lock_acquire+0x7ec/0x4ec0 [ 276.831758] 0 [ 276.835812] ? __lock_acquire+0x7ec/0x4ec0 [ 276.837588] 0 [ 276.841814] ? kasan_check_read+0x11/0x20 [ 276.847818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.849594] Node 0 [ 276.853738] ? should_fail+0x22d/0xd01 [ 276.859247] DMA: [ 276.861476] ? rcu_bh_qs+0xc0/0xc0 [ 276.865335] 1*4kB [ 276.867417] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.870945] (U) [ 276.873090] ? __lock_acquire+0x7ec/0x4ec0 [ 276.878170] 0*8kB [ 276.880140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.884353] 0*16kB [ 276.886500] ? __lock_acquire+0x7ec/0x4ec0 [ 276.891572] 1*32kB (U) [ 276.893815] ? should_fail+0x22d/0xd01 [ 276.898023] 2*64kB (U) [ 276.900613] ? rcu_idle_enter+0x4b0/0x4b0 [ 276.904471] 1*128kB (U) [ 276.907064] ? mark_held_locks+0x130/0x130 [ 276.911181] 1*256kB [ 276.913846] ? mark_held_locks+0x130/0x130 [ 276.918047] (U) 0*512kB [ 276.920371] ? mark_held_locks+0xc7/0x130 [ 276.924577] 1*1024kB (U) [ 276.927254] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 276.931376] 1*2048kB [ 276.934124] ? graph_lock+0x170/0x170 [ 276.939111] (M) [ 276.941514] ? print_usage_bug+0xc0/0xc0 [ 276.945288] 3*4096kB (M) [ 276.947269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.951306] = 15908kB [ 276.954065] ? check_preemption_disabled+0x48/0x200 [ 276.959568] Node 0 [ 276.961971] ? check_preemption_disabled+0x48/0x200 [ 276.966964] DMA32: [ 276.969201] ? __lock_is_held+0xb5/0x140 [ 276.974201] 5*4kB [ 276.976434] __alloc_pages_nodemask+0xa80/0xde0 [ 276.980469] (UM) [ 276.982612] ? graph_lock+0x170/0x170 [ 276.987254] 0*8kB [ 276.989313] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.993086] 3*16kB [ 276.995228] ? graph_lock+0x170/0x170 [ 277.000217] (UM) [ 277.002471] ? find_held_lock+0x36/0x1c0 [ 277.006232] 2*32kB (M) [ 277.008305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.012332] 5*64kB (UM) [ 277.014932] ? lock_downgrade+0x900/0x900 [ 277.019562] 3*128kB (M) [ 277.022240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.026372] 3*256kB [ 277.029041] cache_grow_begin+0x91/0x8c0 [ 277.034549] (M) [ 277.036872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.040945] 4*512kB [ 277.042933] fallback_alloc+0x203/0x2e0 [ 277.047302] (UM) [ 277.049631] ____cache_alloc_node+0x1c7/0x1e0 [ 277.053572] 3*1024kB (UM) [ 277.055638] kmem_cache_alloc_node+0xe3/0x730 [ 277.060104] 1*2048kB (M) [ 277.062961] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.067422] 4*4096kB (M) [ 277.070198] __alloc_skb+0x119/0x770 [ 277.074403] = 25156kB [ 277.077155] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.080842] Node 0 [ 277.083245] ? skb_scrub_packet+0x490/0x490 [ 277.088494] Normal: [ 277.090724] ? lock_downgrade+0x900/0x900 [ 277.095017] 1005*4kB [ 277.097340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.101467] (MEH) [ 277.103872] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.109380] 451*8kB [ 277.111526] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.116952] (ME) [ 277.119272] ? addrconf_rs_timer+0x690/0x690 [ 277.124698] 184*16kB [ 277.126760] ndisc_alloc_skb+0x144/0x340 [ 277.131132] (UME) [ 277.133536] ndisc_send_rs+0x331/0x6e0 [ 277.137572] 94*32kB [ 277.139717] addrconf_rs_timer+0x314/0x690 [ 277.143588] (UME) [ 277.145960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.150159] 5*64kB (UM) [ 277.152324] call_timer_fn+0x272/0x920 [ 277.156523] 0*128kB [ 277.159190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.163055] 0*256kB [ 277.165373] ? process_timeout+0x40/0x40 [ 277.169583] 0*512kB [ 277.171898] ? find_held_lock+0x36/0x1c0 [ 277.175938] 0*1024kB [ 277.178258] ? mark_held_locks+0xc7/0x130 [ 277.182288] 0*2048kB [ 277.184694] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.188828] 0*4096kB [ 277.191233] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.195705] = 13900kB [ 277.198107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.202582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.204980] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.209195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.218019] ? trace_hardirqs_on+0xbd/0x310 [ 277.222578] 4241 total pagecache pages [ 277.231138] ? kasan_check_read+0x11/0x20 [ 277.231155] ? __run_timers+0x7da/0xc70 [ 277.235455] 0 pages in swap cache [ 277.239334] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.243462] Swap cache stats: add 0, delete 0, find 0/0 [ 277.247425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.250859] Free swap = 0kB [ 277.256303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.261638] Total swap = 0kB [ 277.265866] __run_timers+0x7e5/0xc70 [ 277.268861] 1965979 pages RAM [ 277.273100] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.276078] 0 pages HighMem/MovableOnly [ 277.276087] 342307 pages reserved [ 277.279891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.282965] 0 pages cma reserved [ 277.283040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.288330] ? graph_lock+0x170/0x170 [ 277.292370] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.295729] ? print_usage_bug+0xc0/0xc0 [ 277.300717] syz-executor5 cpuset= [ 277.304080] ? lock_release+0x970/0x970 [ 277.310721] syz5 [ 277.314521] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 277.324986] mems_allowed=0 [ 277.329041] ? find_held_lock+0x36/0x1c0 [ 277.350535] ? graph_lock+0x170/0x170 [ 277.354346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.359885] ? check_preemption_disabled+0x48/0x200 [ 277.364938] ? __lock_is_held+0xb5/0x140 [ 277.369010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.374556] ? check_preemption_disabled+0x48/0x200 [ 277.379584] run_timer_softirq+0x52/0xb0 [ 277.383646] ? rcu_read_lock_sched_held+0x108/0x120 [ 277.388666] __do_softirq+0x30b/0xad8 [ 277.392481] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.397590] ? pvclock_read_flags+0x160/0x160 [ 277.402084] ? lapic_next_event+0x5a/0x90 [ 277.406233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.411773] ? check_preemption_disabled+0x48/0x200 [ 277.416788] ? check_preemption_disabled+0x48/0x200 [ 277.421813] ? kvm_clock_read+0x18/0x30 [ 277.425789] ? kvm_sched_clock_read+0x9/0x20 [ 277.430202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.435739] ? check_preemption_disabled+0x48/0x200 [ 277.440978] irq_exit+0x17f/0x1c0 [ 277.444451] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.449305] ? smp_reschedule_interrupt+0x109/0x650 [ 277.454325] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.460209] ? interrupt_entry+0xb5/0xf0 [ 277.464286] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.469300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.474316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.479159] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.484175] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.489193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.494732] ? check_preemption_disabled+0x48/0x200 [ 277.499748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.505306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.510160] apic_timer_interrupt+0xf/0x20 [ 277.514391] [ 277.516638] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 277.521659] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 277.540561] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 277.548272] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 277.555539] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 277.562805] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 277.570757] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 277.578024] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 277.585312] ? list_lru_count_one+0x36d/0x450 [ 277.589810] ? list_lru_count_one+0x260/0x450 [ 277.594319] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.600123] ? kasan_check_read+0x11/0x20 [ 277.604273] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.609582] ? rcu_bh_qs+0xc0/0xc0 [ 277.613139] list_lru_count_one+0x265/0x450 [ 277.617464] ? list_lru_add+0x980/0x980 [ 277.621446] ? deferred_split_count+0x65/0x170 [ 277.626047] ? shrink_huge_zero_page_count+0xc8/0x100 [ 277.631240] super_cache_count+0x153/0x2e0 [ 277.635479] do_shrink_slab+0x1a7/0xd20 [ 277.639462] ? lock_release+0x970/0x970 [ 277.643438] ? snapshot_refaults+0x290/0x290 [ 277.647868] ? ___might_sleep+0x1ed/0x300 [ 277.652022] ? down_read_trylock+0xff/0x1e0 [ 277.656344] ? shrink_slab+0x207/0x8c0 [ 277.660232] ? downgrade_write+0x2b0/0x2b0 [ 277.664469] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.670021] ? shrink_node_memcg+0xc82/0x18e0 [ 277.674540] shrink_slab+0x389/0x8c0 [ 277.678283] ? shrink_active_list+0x1c20/0x1c20 [ 277.682964] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 277.688626] ? kasan_check_read+0x11/0x20 [ 277.692782] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.697200] ? ___preempt_schedule+0x16/0x18 [ 277.701617] ? _raw_spin_unlock+0x3f/0x50 [ 277.705780] shrink_node+0x431/0x16b0 [ 277.709583] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 277.714888] ? shrink_node_memcg+0x18e0/0x18e0 [ 277.719495] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.724077] ? trace_hardirqs_on+0xbd/0x310 [ 277.728404] ? vmpressure+0x271/0x340 [ 277.732214] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 277.736813] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.742354] ? __cpuset_node_allowed+0x19b/0x660 [ 277.747112] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 277.752825] ? vmpressure+0x1a2/0x340 [ 277.756638] do_try_to_free_pages+0x3e7/0x1290 [ 277.761243] ? shrink_node+0x16b0/0x16b0 [ 277.765309] ? __lock_is_held+0xb5/0x140 [ 277.769386] try_to_free_pages+0x4d0/0xb90 [ 277.773626] ? do_try_to_free_pages+0x1290/0x1290 [ 277.778467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.784020] ? lock_acquire+0x1ed/0x520 [ 277.787996] ? set_page_refcounted+0x280/0x280 [ 277.792588] ? lock_release+0x970/0x970 [ 277.796566] ? ___might_sleep+0x1ed/0x300 [ 277.800717] ? arch_local_save_flags+0x40/0x40 [ 277.805310] __alloc_pages_slowpath+0x993/0x2d80 [ 277.810097] ? warn_alloc+0x120/0x120 [ 277.813897] ? __radix_tree_lookup+0x4c0/0x4c0 [ 277.818512] ? find_get_entry+0x2f2/0xc40 [ 277.822672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.828213] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 277.833143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.838678] ? should_fail+0x22d/0xd01 [ 277.842574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.847677] ? __lock_is_held+0xb5/0x140 [ 277.851768] ? __lock_is_held+0xb5/0x140 [ 277.855841] ? __lock_acquire+0x7ec/0x4ec0 [ 277.860079] ? ___might_sleep+0x1ed/0x300 [ 277.864229] ? lock_release+0x970/0x970 [ 277.868204] ? arch_local_save_flags+0x40/0x40 [ 277.872796] ? __might_sleep+0x95/0x190 [ 277.876776] __alloc_pages_nodemask+0xa80/0xde0 [ 277.881451] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.886474] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.892274] ? kasan_check_read+0x11/0x20 [ 277.896431] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.901712] ? graph_lock+0x170/0x170 [ 277.905516] ? print_usage_bug+0xc0/0xc0 [ 277.909638] ? graph_lock+0x170/0x170 [ 277.913436] ? graph_lock+0x170/0x170 [ 277.917243] ? __do_page_cache_readahead+0x7ce/0x980 [ 277.922353] ? find_held_lock+0x36/0x1c0 [ 277.926436] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.931984] alloc_pages_current+0x10c/0x210 [ 277.936390] ? lock_downgrade+0x900/0x900 [ 277.940571] __page_cache_alloc+0x38f/0x5b0 [ 277.944937] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.950737] ? kasan_check_read+0x11/0x20 [ 277.954887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.960178] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 277.964849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.970389] ? check_preemption_disabled+0x48/0x200 [ 277.975414] filemap_fault+0x1594/0x25f0 [ 277.979488] ? __lock_page_or_retry+0xa00/0xa00 [ 277.984160] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.989958] ? kasan_check_read+0x11/0x20 [ 277.994112] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.999389] ? ep_scan_ready_list+0xbeb/0x1050 [ 278.003976] ? rcu_bh_qs+0xc0/0xc0 [ 278.007515] ? lock_downgrade+0x900/0x900 [ 278.011667] ? graph_lock+0x170/0x170 [ 278.015476] ? filemap_map_pages+0xdea/0x1980 [ 278.019989] ? find_get_pages_range_tag+0x1320/0x1320 [ 278.025180] ? wait_for_completion+0x8a0/0x8a0 [ 278.029765] ? graph_lock+0x170/0x170 [ 278.033573] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.038160] ? kasan_check_read+0x11/0x20 [ 278.042306] ? ep_scan_ready_list+0xbc7/0x1050 [ 278.046894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.052365] ? lock_acquire+0x1ed/0x520 [ 278.056512] ? ext4_filemap_fault+0x7a/0xad [ 278.060841] ? lock_release+0x970/0x970 [ 278.064816] ? arch_local_save_flags+0x40/0x40 [ 278.069400] ? ep_poll_callback+0x10e0/0x10e0 [ 278.073928] ? down_read+0xb0/0x1d0 [ 278.077561] ? ext4_filemap_fault+0x7a/0xad [ 278.081887] ? __down_interruptible+0x700/0x700 [ 278.086573] ? get_futex_key+0x21b0/0x21b0 [ 278.090823] ext4_filemap_fault+0x82/0xad [ 278.094982] __do_fault+0x100/0x6b0 [ 278.098609] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.103107] ? print_bad_pte+0x6c0/0x6c0 [ 278.107173] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.111759] ? trace_hardirqs_on+0xbd/0x310 [ 278.116080] ? kasan_check_read+0x11/0x20 [ 278.120231] ? pmd_val+0x88/0x100 [ 278.123684] ? add_mm_counter_fast+0xd0/0xd0 [ 278.128094] ? pmd_val+0x88/0x100 [ 278.131550] ? add_mm_counter_fast+0xd0/0xd0 [ 278.135965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.141516] __handle_mm_fault+0x3709/0x53e0 [ 278.145949] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 278.150797] ? graph_lock+0x170/0x170 [ 278.154620] ? print_usage_bug+0xc0/0xc0 [ 278.158683] ? rcu_bh_qs+0xc0/0xc0 [ 278.162223] ? graph_lock+0x170/0x170 [ 278.166021] ? graph_lock+0x170/0x170 [ 278.169847] ? handle_mm_fault+0x42a/0xc70 [ 278.174083] ? lock_downgrade+0x900/0x900 [ 278.178230] ? check_preemption_disabled+0x48/0x200 [ 278.183256] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.189062] ? kasan_check_read+0x11/0x20 [ 278.193211] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.198491] ? rcu_bh_qs+0xc0/0xc0 [ 278.202037] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.207492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.213030] ? check_preemption_disabled+0x48/0x200 [ 278.218060] handle_mm_fault+0x54f/0xc70 [ 278.222130] ? __handle_mm_fault+0x53e0/0x53e0 [ 278.226719] ? find_vma+0x34/0x190 [ 278.230264] __do_page_fault+0x67d/0xed0 [ 278.234339] ? mm_fault_error+0x380/0x380 [ 278.238485] ? trace_hardirqs_off+0xb8/0x310 [ 278.242899] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.248300] ? trace_hardirqs_on+0x310/0x310 [ 278.252715] do_page_fault+0xf2/0x7e0 [ 278.256520] ? vmalloc_sync_all+0x30/0x30 [ 278.260686] ? error_entry+0x70/0xd0 [ 278.264403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.269419] ? trace_hardirqs_on_caller+0xc0/0x310 [ 278.274372] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.279300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.284143] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.289161] ? trace_hardirqs_off+0x310/0x310 [ 278.293662] ? prepare_exit_to_usermode+0x291/0x3b0 [ 278.298683] ? page_fault+0x8/0x30 [ 278.302224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.307073] ? page_fault+0x8/0x30 [ 278.310615] page_fault+0x1e/0x30 [ 278.314075] RIP: 0033:0x45df89 [ 278.317273] Code: Bad RIP value. [ 278.320636] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 278.325998] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 278.333268] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 278.340538] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 278.347804] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 278.355068] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 278.362366] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 278.362446] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.369554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.369563] Call Trace: [ 278.376140] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.385644] [ 278.388214] syz-fuzzer cpuset= [ 278.398447] dump_stack+0x1c4/0x2b4 [ 278.400560] / [ 278.403745] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.407349] mems_allowed=0 [ 278.409064] warn_alloc.cold.119+0xb7/0x1bd [ 278.421457] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.426309] ? lock_downgrade+0x900/0x900 [ 278.430472] ? trace_hardirqs_off+0xb8/0x310 [ 278.434890] ? trace_hardirqs_off+0xb8/0x310 [ 278.439315] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.444362] ? warn_alloc+0x120/0x120 [ 278.448168] ? trace_hardirqs_on+0x310/0x310 [ 278.452578] ? warn_alloc+0x120/0x120 [ 278.456386] ? print_usage_bug+0xc0/0xc0 [ 278.460454] ? warn_alloc+0x120/0x120 [ 278.464258] ? ktime_get+0x2e1/0x440 [ 278.467977] ? print_usage_bug+0xc0/0xc0 [ 278.472043] ? __lock_acquire+0x7ec/0x4ec0 [ 278.476277] ? __lock_acquire+0x7ec/0x4ec0 [ 278.480515] ? kasan_check_read+0x11/0x20 [ 278.484668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.490207] ? should_fail+0x22d/0xd01 [ 278.494097] ? rcu_bh_qs+0xc0/0xc0 [ 278.497639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.502740] ? __lock_acquire+0x7ec/0x4ec0 [ 278.506978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.512078] ? __lock_acquire+0x7ec/0x4ec0 [ 278.516310] ? should_fail+0x22d/0xd01 [ 278.520206] ? rcu_idle_enter+0x4b0/0x4b0 [ 278.524363] ? mark_held_locks+0x130/0x130 [ 278.528606] ? mark_held_locks+0x130/0x130 [ 278.532850] ? mark_held_locks+0xc7/0x130 [ 278.537003] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 278.542020] ? graph_lock+0x170/0x170 [ 278.545820] ? print_usage_bug+0xc0/0xc0 [ 278.549885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.555441] ? check_preemption_disabled+0x48/0x200 [ 278.560462] ? check_preemption_disabled+0x48/0x200 [ 278.565487] ? __lock_is_held+0xb5/0x140 [ 278.569565] __alloc_pages_nodemask+0xa80/0xde0 [ 278.574238] ? graph_lock+0x170/0x170 [ 278.578042] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.583056] ? graph_lock+0x170/0x170 [ 278.586869] ? find_held_lock+0x36/0x1c0 [ 278.590946] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.595618] ? lock_downgrade+0x900/0x900 [ 278.599771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.605312] cache_grow_begin+0x91/0x8c0 [ 278.609378] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.613793] fallback_alloc+0x203/0x2e0 [ 278.617774] ____cache_alloc_node+0x1c7/0x1e0 [ 278.622274] kmem_cache_alloc_node+0xe3/0x730 [ 278.626772] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.631020] __alloc_skb+0x119/0x770 [ 278.634740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.640021] ? skb_scrub_packet+0x490/0x490 [ 278.644343] ? lock_downgrade+0x900/0x900 [ 278.648498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.654038] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.659491] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.664955] ? addrconf_rs_timer+0x690/0x690 [ 278.669379] ndisc_alloc_skb+0x144/0x340 [ 278.673451] ndisc_send_rs+0x331/0x6e0 [ 278.677348] addrconf_rs_timer+0x314/0x690 [ 278.681593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.685848] call_timer_fn+0x272/0x920 [ 278.689736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.693983] ? process_timeout+0x40/0x40 [ 278.698055] ? find_held_lock+0x36/0x1c0 [ 278.702125] ? __run_timers+0x7da/0xc70 [ 278.706106] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.710602] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.715095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.719329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.723925] ? trace_hardirqs_on+0xbd/0x310 [ 278.728246] ? kasan_check_read+0x11/0x20 [ 278.732402] ? __run_timers+0x7da/0xc70 [ 278.736385] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.741845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.746090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.750328] __run_timers+0x7e5/0xc70 [ 278.754144] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.759514] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.764533] ? graph_lock+0x170/0x170 [ 278.768339] ? enqueue_hrtimer+0x1a5/0x560 [ 278.772571] ? lock_release+0x970/0x970 [ 278.776545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.781740] ? find_held_lock+0x36/0x1c0 [ 278.785809] ? graph_lock+0x170/0x170 [ 278.789612] ? pvclock_read_flags+0x160/0x160 [ 278.794111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.799667] ? check_preemption_disabled+0x48/0x200 [ 278.804708] ? __lock_is_held+0xb5/0x140 [ 278.808776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.814323] ? check_preemption_disabled+0x48/0x200 [ 278.819352] run_timer_softirq+0x52/0xb0 [ 278.823419] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.828455] __do_softirq+0x30b/0xad8 [ 278.832275] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.837385] ? pvclock_read_flags+0x160/0x160 [ 278.841879] ? lapic_next_event+0x5a/0x90 [ 278.846043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.851586] ? check_preemption_disabled+0x48/0x200 [ 278.856605] ? check_preemption_disabled+0x48/0x200 [ 278.861632] ? kvm_clock_read+0x18/0x30 [ 278.865610] ? kvm_sched_clock_read+0x9/0x20 [ 278.870020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.875560] ? check_preemption_disabled+0x48/0x200 [ 278.880589] irq_exit+0x17f/0x1c0 [ 278.884046] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.888888] ? smp_reschedule_interrupt+0x109/0x650 [ 278.893928] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.899816] ? interrupt_entry+0xb5/0xf0 [ 278.903878] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.908892] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.913930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.918777] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.923794] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.928815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.934356] ? check_preemption_disabled+0x48/0x200 [ 278.939370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.944926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.949783] apic_timer_interrupt+0xf/0x20 [ 278.954013] [ 278.956255] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.961187] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 278.980090] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.987801] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.995066] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 279.002331] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 279.009597] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 279.016867] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 279.024184] skb_clone+0x1bb/0x500 [ 279.027739] ? finish_task_switch+0x1b5/0x900 [ 279.032239] ? skb_split+0x11e0/0x11e0 [ 279.036134] ? preempt_notifier_register+0x200/0x200 [ 279.041240] ? __switch_to_asm+0x34/0x70 [ 279.045302] ? __switch_to_asm+0x34/0x70 [ 279.049358] ? __switch_to_asm+0x40/0x70 [ 279.053419] ? __switch_to_asm+0x34/0x70 [ 279.057484] ? __switch_to_asm+0x40/0x70 [ 279.061552] ? __switch_to_asm+0x34/0x70 [ 279.065630] ? __switch_to_asm+0x40/0x70 [ 279.069718] ? __switch_to_asm+0x34/0x70 [ 279.073778] ? __switch_to_asm+0x34/0x70 [ 279.077836] ? __switch_to_asm+0x40/0x70 [ 279.081897] ? __switch_to_asm+0x34/0x70 [ 279.085973] bpf_clone_redirect+0xb9/0x490 [ 279.090212] ? __schedule+0x874/0x1ed0 [ 279.094106] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 279.099131] ? __sched_text_start+0x8/0x8 [ 279.103299] ? find_held_lock+0x36/0x1c0 [ 279.107370] ? lock_acquire+0x1ed/0x520 [ 279.111347] ? bpf_test_run+0x32e/0x5a0 [ 279.115330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.120870] ? check_preemption_disabled+0x48/0x200 [ 279.125889] ? kasan_check_read+0x11/0x20 [ 279.130049] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.135327] ? rcu_bh_qs+0xc0/0xc0 [ 279.138869] ? preempt_schedule+0x4d/0x60 [ 279.143020] ? ___preempt_schedule+0x16/0x18 [ 279.147446] ? bpf_test_run+0x1c0/0x5a0 [ 279.151436] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.155851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.161388] ? bpf_test_init.isra.9+0x70/0x100 [ 279.165975] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.170738] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.175586] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.181123] ? fput+0x130/0x1a0 [ 279.184404] ? __bpf_prog_get+0x9b/0x290 [ 279.188475] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.193322] ? bpf_prog_test_run+0x130/0x1a0 [ 279.197738] ? __x64_sys_bpf+0x3d8/0x510 [ 279.201801] ? bpf_prog_get+0x20/0x20 [ 279.205625] ? do_syscall_64+0x1b9/0x820 [ 279.209689] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.215059] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.219991] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.225009] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.230029] ? recalc_sigpending_tsk+0x180/0x180 [ 279.234785] ? kasan_check_write+0x14/0x20 [ 279.239029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.243883] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.249270] warn_alloc_show_mem: 1 callbacks suppressed [ 279.249283] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 279.249284] Mem-Info: [ 279.249316] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 279.249316] active_file:13 inactive_file:13 isolated_file:1 [ 279.249316] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.249316] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 279.249316] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 279.249316] free:13741 free_pcp:221 free_cma:0 [ 279.254652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.261589] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.263994] Call Trace: [ 279.297057] Node 0 [ 279.306403] [ 279.334349] 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 [ 279.336923] dump_stack+0x1c4/0x2b4 [ 279.339124] lowmem_reserve[]: [ 279.341275] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.366749] 0 [ 279.370383] warn_alloc.cold.119+0xb7/0x1bd [ 279.373444] 2819 6323 [ 279.378735] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.380518] 6323 [ 279.384831] ? lock_downgrade+0x900/0x900 [ 279.392141] ? trace_hardirqs_off+0xb8/0x310 [ 279.394173] Node 0 [ 279.398315] ? trace_hardirqs_off+0xb8/0x310 [ 279.402719] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 279.404943] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.409313] lowmem_reserve[]: [ 279.436401] ? warn_alloc+0x120/0x120 [ 279.441718] 0 [ 279.444825] ? trace_hardirqs_on+0x310/0x310 [ 279.448597] 0 [ 279.450391] ? warn_alloc+0x120/0x120 [ 279.454773] 3503 [ 279.456571] ? print_usage_bug+0xc0/0xc0 [ 279.460342] 3503 [ 279.462405] ? warn_alloc+0x120/0x120 [ 279.466443] Node 0 [ 279.468501] ? ktime_get+0x2e1/0x440 [ 279.472304] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 279.474508] ? print_usage_bug+0xc0/0xc0 [ 279.478186] lowmem_reserve[]: 0 [ 279.506650] ? __lock_acquire+0x7ec/0x4ec0 [ 279.510685] 0 [ 279.513961] ? __lock_acquire+0x7ec/0x4ec0 [ 279.518170] 0 [ 279.519972] ? kasan_check_read+0x11/0x20 [ 279.524179] 0 [ 279.525987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.530108] Node 0 [ 279.531908] ? should_fail+0x22d/0xd01 [ 279.537432] DMA: [ 279.539663] ? rcu_bh_qs+0xc0/0xc0 [ 279.543524] 1*4kB [ 279.545579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.549093] (U) [ 279.551241] ? __lock_acquire+0x7ec/0x4ec0 [ 279.556317] 0*8kB [ 279.558284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.562492] 0*16kB [ 279.564633] ? __lock_acquire+0x7ec/0x4ec0 [ 279.569708] 1*32kB [ 279.571952] ? should_fail+0x22d/0xd01 [ 279.576162] (U) [ 279.578396] ? rcu_idle_enter+0x4b0/0x4b0 [ 279.582255] 2*64kB [ 279.584229] ? mark_held_locks+0x130/0x130 [ 279.588348] (U) [ 279.590582] ? mark_held_locks+0x130/0x130 [ 279.594794] 1*128kB [ 279.596775] ? mark_held_locks+0xc7/0x130 [ 279.600976] (U) [ 279.603298] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 279.607415] 1*256kB [ 279.609386] ? graph_lock+0x170/0x170 [ 279.614372] (U) [ 279.616693] ? print_usage_bug+0xc0/0xc0 [ 279.620467] 0*512kB [ 279.622438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.626480] 1*1024kB [ 279.628799] ? check_preemption_disabled+0x48/0x200 [ 279.634308] (U) [ 279.636716] ? check_preemption_disabled+0x48/0x200 [ 279.641701] 1*2048kB [ 279.643686] ? __lock_is_held+0xb5/0x140 [ 279.648668] (M) [ 279.651102] __alloc_pages_nodemask+0xa80/0xde0 [ 279.655121] 3*4096kB (M) [ 279.657107] ? graph_lock+0x170/0x170 [ 279.661753] = 15908kB [ 279.664528] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.668297] Node 0 [ 279.670711] ? graph_lock+0x170/0x170 [ 279.675698] DMA32: [ 279.677957] ? find_held_lock+0x36/0x1c0 [ 279.681716] 5*4kB [ 279.683981] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.688007] (UM) [ 279.690156] ? lock_downgrade+0x900/0x900 [ 279.694791] 0*8kB 3*16kB [ 279.696879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.700988] (UM) [ 279.703751] cache_grow_begin+0x91/0x8c0 [ 279.709257] 2*32kB [ 279.711319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.715349] (M) [ 279.717582] fallback_alloc+0x203/0x2e0 [ 279.721958] 5*64kB [ 279.723946] ____cache_alloc_node+0x1c7/0x1e0 [ 279.727887] (UM) [ 279.730120] kmem_cache_alloc_node+0xe3/0x730 [ 279.734591] 3*128kB [ 279.736649] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.741118] (M) [ 279.743439] __alloc_skb+0x119/0x770 [ 279.747650] 3*256kB [ 279.749626] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.753308] (M) [ 279.755625] ? skb_scrub_packet+0x490/0x490 [ 279.760874] 4*512kB [ 279.762847] ? lock_downgrade+0x900/0x900 [ 279.767138] (UM) [ 279.769459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.773580] 3*1024kB [ 279.775636] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.781143] (UM) [ 279.783545] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.788973] 1*2048kB [ 279.791033] ? addrconf_rs_timer+0x690/0x690 [ 279.796457] (M) [ 279.798871] ndisc_alloc_skb+0x144/0x340 [ 279.803248] 4*4096kB [ 279.805233] ndisc_send_rs+0x331/0x6e0 [ 279.809269] (M) [ 279.811679] addrconf_rs_timer+0x314/0x690 [ 279.815541] = 25156kB [ 279.817512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.821732] Node 0 [ 279.824143] call_timer_fn+0x272/0x920 [ 279.828346] Normal: [ 279.830577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.834454] 1005*4kB [ 279.836768] ? process_timeout+0x40/0x40 [ 279.840994] (MEH) [ 279.843398] ? find_held_lock+0x36/0x1c0 [ 279.847432] 451*8kB [ 279.849577] ? mark_held_locks+0xc7/0x130 [ 279.853610] (ME) [ 279.855942] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.860060] 184*16kB [ 279.862126] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.866598] (UME) [ 279.869026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.873492] 94*32kB (UME) [ 279.875643] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.879855] 5*64kB [ 279.882694] ? trace_hardirqs_on+0xbd/0x310 [ 279.887245] (UM) [ 279.889475] ? kasan_check_read+0x11/0x20 [ 279.893767] 0*128kB 0*256kB [ 279.895835] ? __run_timers+0x7da/0xc70 [ 279.899956] 0*512kB [ 279.902970] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.906934] 0*1024kB [ 279.909251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.914676] 0*2048kB [ 279.917082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.921288] 0*4096kB [ 279.923689] __run_timers+0x7e5/0xc70 [ 279.927899] = 13900kB [ 279.930322] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.934098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.936501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.941847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.950671] ? graph_lock+0x170/0x170 [ 279.955665] 4241 total pagecache pages [ 279.964234] ? print_usage_bug+0xc0/0xc0 [ 279.968011] 0 pages in swap cache [ 279.971886] ? lock_release+0x970/0x970 [ 279.975940] Swap cache stats: add 0, delete 0, find 0/0 [ 279.979385] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.983326] Free swap = 0kB [ 279.983334] Total swap = 0kB [ 279.988690] ? find_held_lock+0x36/0x1c0 [ 279.993850] 1965979 pages RAM [ 279.996861] ? graph_lock+0x170/0x170 [ 279.999858] 0 pages HighMem/MovableOnly [ 280.003911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.006995] 342307 pages reserved [ 280.007003] 0 pages cma reserved [ 280.010802] ? check_preemption_disabled+0x48/0x200 [ 280.014814] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.020288] ? __lock_is_held+0xb5/0x140 [ 280.023811] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.027079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.032071] syz-executor5 cpuset= [ 280.038556] ? check_preemption_disabled+0x48/0x200 [ 280.042592] syz5 [ 280.053072] run_timer_softirq+0x52/0xb0 [ 280.058582] mems_allowed=0 [ 280.062023] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.080961] __do_softirq+0x30b/0xad8 [ 280.084776] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.089887] ? pvclock_read_flags+0x160/0x160 [ 280.094400] ? lapic_next_event+0x5a/0x90 [ 280.098549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.104088] ? check_preemption_disabled+0x48/0x200 [ 280.109101] ? check_preemption_disabled+0x48/0x200 [ 280.114121] ? kvm_clock_read+0x18/0x30 [ 280.118096] ? kvm_sched_clock_read+0x9/0x20 [ 280.122508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.128046] ? check_preemption_disabled+0x48/0x200 [ 280.133078] irq_exit+0x17f/0x1c0 [ 280.136535] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.141386] ? smp_reschedule_interrupt+0x109/0x650 [ 280.146404] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.152297] ? interrupt_entry+0xb5/0xf0 [ 280.156359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.161387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.166407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.171279] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.176294] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.181311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.186849] ? check_preemption_disabled+0x48/0x200 [ 280.191868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.197415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.202275] apic_timer_interrupt+0xf/0x20 [ 280.206508] [ 280.208750] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 280.213767] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 280.232666] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 280.240375] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 280.247646] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 280.254912] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 280.262194] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 280.269461] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 280.276750] ? list_lru_count_one+0x36d/0x450 [ 280.281247] ? list_lru_count_one+0x260/0x450 [ 280.285759] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.291552] ? kasan_check_read+0x11/0x20 [ 280.295704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.300982] ? rcu_bh_qs+0xc0/0xc0 [ 280.304539] list_lru_count_one+0x265/0x450 [ 280.308865] ? list_lru_add+0x980/0x980 [ 280.312845] ? deferred_split_count+0x65/0x170 [ 280.317423] ? shrink_huge_zero_page_count+0xc8/0x100 [ 280.322633] super_cache_count+0x153/0x2e0 [ 280.326876] do_shrink_slab+0x1a7/0xd20 [ 280.330863] ? lock_release+0x970/0x970 [ 280.334843] ? snapshot_refaults+0x290/0x290 [ 280.339261] ? ___might_sleep+0x1ed/0x300 [ 280.343427] ? down_read_trylock+0xff/0x1e0 [ 280.347755] ? shrink_slab+0x207/0x8c0 [ 280.351644] ? downgrade_write+0x2b0/0x2b0 [ 280.355880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.361418] ? shrink_node_memcg+0xc82/0x18e0 [ 280.365961] shrink_slab+0x389/0x8c0 [ 280.369683] ? shrink_active_list+0x1c20/0x1c20 [ 280.374364] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 280.379991] ? kasan_check_read+0x11/0x20 [ 280.384152] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.388570] ? ___preempt_schedule+0x16/0x18 [ 280.392990] ? _raw_spin_unlock+0x3f/0x50 [ 280.397145] shrink_node+0x431/0x16b0 [ 280.400957] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 280.406270] ? shrink_node_memcg+0x18e0/0x18e0 [ 280.410852] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.415437] ? trace_hardirqs_on+0xbd/0x310 [ 280.419763] ? vmpressure+0x271/0x340 [ 280.423581] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 280.428173] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.433714] ? __cpuset_node_allowed+0x19b/0x660 [ 280.438480] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 280.444203] ? vmpressure+0x1a2/0x340 [ 280.448022] do_try_to_free_pages+0x3e7/0x1290 [ 280.452622] ? shrink_node+0x16b0/0x16b0 [ 280.456697] ? __lock_is_held+0xb5/0x140 [ 280.460772] try_to_free_pages+0x4d0/0xb90 [ 280.465015] ? do_try_to_free_pages+0x1290/0x1290 [ 280.469859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.475408] ? lock_acquire+0x1ed/0x520 [ 280.479392] ? set_page_refcounted+0x280/0x280 [ 280.483982] ? lock_release+0x970/0x970 [ 280.487965] ? ___might_sleep+0x1ed/0x300 [ 280.492114] ? arch_local_save_flags+0x40/0x40 [ 280.496710] __alloc_pages_slowpath+0x993/0x2d80 [ 280.501502] ? warn_alloc+0x120/0x120 [ 280.505301] ? __radix_tree_lookup+0x4c0/0x4c0 [ 280.509902] ? find_get_entry+0x2f2/0xc40 [ 280.514077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.519615] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 280.524547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.530089] ? should_fail+0x22d/0xd01 [ 280.533982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.539089] ? __lock_is_held+0xb5/0x140 [ 280.543267] ? __lock_is_held+0xb5/0x140 [ 280.547336] ? __lock_acquire+0x7ec/0x4ec0 [ 280.551574] ? ___might_sleep+0x1ed/0x300 [ 280.555718] ? lock_release+0x970/0x970 [ 280.559696] ? arch_local_save_flags+0x40/0x40 [ 280.564290] ? __might_sleep+0x95/0x190 [ 280.568271] __alloc_pages_nodemask+0xa80/0xde0 [ 280.572958] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.577980] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.583782] ? kasan_check_read+0x11/0x20 [ 280.587945] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.593233] ? graph_lock+0x170/0x170 [ 280.597045] ? print_usage_bug+0xc0/0xc0 [ 280.601108] ? graph_lock+0x170/0x170 [ 280.604906] ? graph_lock+0x170/0x170 [ 280.608737] ? __do_page_cache_readahead+0x7ce/0x980 [ 280.613852] ? find_held_lock+0x36/0x1c0 [ 280.617932] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.623479] alloc_pages_current+0x10c/0x210 [ 280.627888] ? lock_downgrade+0x900/0x900 [ 280.632054] __page_cache_alloc+0x38f/0x5b0 [ 280.636380] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.642174] ? kasan_check_read+0x11/0x20 [ 280.646326] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.651607] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 280.656281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.661821] ? check_preemption_disabled+0x48/0x200 [ 280.666848] filemap_fault+0x1594/0x25f0 [ 280.670964] ? __lock_page_or_retry+0xa00/0xa00 [ 280.675640] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.681441] ? kasan_check_read+0x11/0x20 [ 280.685589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.690877] ? ep_scan_ready_list+0xbeb/0x1050 [ 280.695462] ? rcu_bh_qs+0xc0/0xc0 [ 280.699003] ? lock_downgrade+0x900/0x900 [ 280.703155] ? graph_lock+0x170/0x170 [ 280.706968] ? filemap_map_pages+0xdea/0x1980 [ 280.711486] ? find_get_pages_range_tag+0x1320/0x1320 [ 280.716681] ? wait_for_completion+0x8a0/0x8a0 [ 280.721264] ? graph_lock+0x170/0x170 [ 280.725066] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.729651] ? kasan_check_read+0x11/0x20 [ 280.733796] ? ep_scan_ready_list+0xbc7/0x1050 [ 280.738399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.743862] ? lock_acquire+0x1ed/0x520 [ 280.747836] ? ext4_filemap_fault+0x7a/0xad [ 280.752167] ? lock_release+0x970/0x970 [ 280.756141] ? arch_local_save_flags+0x40/0x40 [ 280.760728] ? ep_poll_callback+0x10e0/0x10e0 [ 280.765238] ? down_read+0xb0/0x1d0 [ 280.768864] ? ext4_filemap_fault+0x7a/0xad [ 280.773191] ? __down_interruptible+0x700/0x700 [ 280.777868] ? get_futex_key+0x21b0/0x21b0 [ 280.782116] ext4_filemap_fault+0x82/0xad [ 280.786267] __do_fault+0x100/0x6b0 [ 280.789894] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.794406] ? print_bad_pte+0x6c0/0x6c0 [ 280.798469] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.803087] ? trace_hardirqs_on+0xbd/0x310 [ 280.807410] ? kasan_check_read+0x11/0x20 [ 280.811581] ? pmd_val+0x88/0x100 [ 280.815031] ? add_mm_counter_fast+0xd0/0xd0 [ 280.819436] ? pmd_val+0x88/0x100 [ 280.822894] ? add_mm_counter_fast+0xd0/0xd0 [ 280.827316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.832858] __handle_mm_fault+0x3709/0x53e0 [ 280.837280] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 280.842125] ? graph_lock+0x170/0x170 [ 280.845941] ? print_usage_bug+0xc0/0xc0 [ 280.850003] ? rcu_bh_qs+0xc0/0xc0 [ 280.853543] ? graph_lock+0x170/0x170 [ 280.857346] ? graph_lock+0x170/0x170 [ 280.861164] ? handle_mm_fault+0x42a/0xc70 [ 280.865412] ? lock_downgrade+0x900/0x900 [ 280.869578] ? check_preemption_disabled+0x48/0x200 [ 280.874605] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.880400] ? kasan_check_read+0x11/0x20 [ 280.884549] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.889832] ? rcu_bh_qs+0xc0/0xc0 [ 280.893374] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.898845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.904386] ? check_preemption_disabled+0x48/0x200 [ 280.909414] handle_mm_fault+0x54f/0xc70 [ 280.913485] ? __handle_mm_fault+0x53e0/0x53e0 [ 280.918075] ? find_vma+0x34/0x190 [ 280.921624] __do_page_fault+0x67d/0xed0 [ 280.925699] ? mm_fault_error+0x380/0x380 [ 280.929846] ? trace_hardirqs_off+0xb8/0x310 [ 280.934258] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.939621] ? trace_hardirqs_on+0x310/0x310 [ 280.944036] do_page_fault+0xf2/0x7e0 [ 280.947873] ? vmalloc_sync_all+0x30/0x30 [ 280.952020] ? error_entry+0x70/0xd0 [ 280.955737] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.960752] ? trace_hardirqs_on_caller+0xc0/0x310 [ 280.965682] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.970611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.975457] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.980479] ? trace_hardirqs_off+0x310/0x310 [ 280.984984] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.990002] ? page_fault+0x8/0x30 [ 280.993549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.998397] ? page_fault+0x8/0x30 [ 281.001949] page_fault+0x1e/0x30 [ 281.005401] RIP: 0033:0x45df89 [ 281.008600] Code: Bad RIP value. [ 281.011958] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 281.017319] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 281.024588] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 281.031852] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 281.039118] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 281.046386] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 281.053686] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 281.053754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.060874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.060880] Call Trace: [ 281.060887] [ 281.060908] dump_stack+0x1c4/0x2b4 [ 281.060942] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.067471] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.076776] warn_alloc.cold.119+0xb7/0x1bd [ 281.079328] syz-fuzzer cpuset= [ 281.081480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.085080] / [ 281.090265] ? lock_downgrade+0x900/0x900 [ 281.100467] mems_allowed=0 [ 281.104780] ? trace_hardirqs_off+0xb8/0x310 [ 281.125937] ? trace_hardirqs_off+0xb8/0x310 [ 281.130357] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.135232] ? warn_alloc+0x120/0x120 [ 281.139038] ? trace_hardirqs_on+0x310/0x310 [ 281.143452] ? warn_alloc+0x120/0x120 [ 281.147257] ? print_usage_bug+0xc0/0xc0 [ 281.151328] ? warn_alloc+0x120/0x120 [ 281.155130] ? ktime_get+0x2e1/0x440 [ 281.158845] ? print_usage_bug+0xc0/0xc0 [ 281.162910] ? __lock_acquire+0x7ec/0x4ec0 [ 281.167154] ? __lock_acquire+0x7ec/0x4ec0 [ 281.171389] ? kasan_check_read+0x11/0x20 [ 281.175538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.181085] ? should_fail+0x22d/0xd01 [ 281.184976] ? rcu_bh_qs+0xc0/0xc0 [ 281.188521] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.193626] ? __lock_acquire+0x7ec/0x4ec0 [ 281.197867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.202971] ? __lock_acquire+0x7ec/0x4ec0 [ 281.207207] ? should_fail+0x22d/0xd01 [ 281.211096] ? rcu_idle_enter+0x4b0/0x4b0 [ 281.215251] ? mark_held_locks+0x130/0x130 [ 281.219490] ? mark_held_locks+0x130/0x130 [ 281.223732] ? mark_held_locks+0xc7/0x130 [ 281.227884] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 281.232925] ? graph_lock+0x170/0x170 [ 281.236734] ? print_usage_bug+0xc0/0xc0 [ 281.240802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.246347] ? check_preemption_disabled+0x48/0x200 [ 281.251365] ? check_preemption_disabled+0x48/0x200 [ 281.256398] ? __lock_is_held+0xb5/0x140 [ 281.260474] __alloc_pages_nodemask+0xa80/0xde0 [ 281.265146] ? graph_lock+0x170/0x170 [ 281.268960] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.273990] ? graph_lock+0x170/0x170 [ 281.277804] ? find_held_lock+0x36/0x1c0 [ 281.281878] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.286554] ? lock_downgrade+0x900/0x900 [ 281.290711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.296257] cache_grow_begin+0x91/0x8c0 [ 281.300319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.304738] fallback_alloc+0x203/0x2e0 [ 281.308891] ____cache_alloc_node+0x1c7/0x1e0 [ 281.313404] kmem_cache_alloc_node+0xe3/0x730 [ 281.317905] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.322158] __alloc_skb+0x119/0x770 [ 281.325876] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.331156] ? skb_scrub_packet+0x490/0x490 [ 281.335480] ? lock_downgrade+0x900/0x900 [ 281.339642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.345179] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.350637] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.356094] ? addrconf_rs_timer+0x690/0x690 [ 281.360524] ndisc_alloc_skb+0x144/0x340 [ 281.364595] ndisc_send_rs+0x331/0x6e0 [ 281.368493] addrconf_rs_timer+0x314/0x690 [ 281.372738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.376991] call_timer_fn+0x272/0x920 [ 281.380882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.385138] ? process_timeout+0x40/0x40 [ 281.389208] ? find_held_lock+0x36/0x1c0 [ 281.393280] ? __run_timers+0x7da/0xc70 [ 281.397258] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.401755] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.406268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.410504] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.415099] ? trace_hardirqs_on+0xbd/0x310 [ 281.419419] ? kasan_check_read+0x11/0x20 [ 281.423575] ? __run_timers+0x7da/0xc70 [ 281.427551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.433011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.437252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.441966] __run_timers+0x7e5/0xc70 [ 281.445784] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.451154] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.456170] ? graph_lock+0x170/0x170 [ 281.459975] ? enqueue_hrtimer+0x1a5/0x560 [ 281.464209] ? lock_release+0x970/0x970 [ 281.468189] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.473387] ? find_held_lock+0x36/0x1c0 [ 281.477470] ? graph_lock+0x170/0x170 [ 281.481272] ? pvclock_read_flags+0x160/0x160 [ 281.485767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.491310] ? check_preemption_disabled+0x48/0x200 [ 281.496343] ? __lock_is_held+0xb5/0x140 [ 281.500404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.505965] ? check_preemption_disabled+0x48/0x200 [ 281.510995] run_timer_softirq+0x52/0xb0 [ 281.515060] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.520082] __do_softirq+0x30b/0xad8 [ 281.523900] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.529019] ? pvclock_read_flags+0x160/0x160 [ 281.533515] ? lapic_next_event+0x5a/0x90 [ 281.537664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.543205] ? check_preemption_disabled+0x48/0x200 [ 281.548240] ? check_preemption_disabled+0x48/0x200 [ 281.553265] ? kvm_clock_read+0x18/0x30 [ 281.557238] ? kvm_sched_clock_read+0x9/0x20 [ 281.561651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.567192] ? check_preemption_disabled+0x48/0x200 [ 281.572222] irq_exit+0x17f/0x1c0 [ 281.575684] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.580529] ? smp_reschedule_interrupt+0x109/0x650 [ 281.585551] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.591442] ? interrupt_entry+0xb5/0xf0 [ 281.595507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.600522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.605539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.610381] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.615396] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.620420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.625976] ? check_preemption_disabled+0x48/0x200 [ 281.631010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.636558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.641412] apic_timer_interrupt+0xf/0x20 [ 281.645647] [ 281.647888] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 281.652825] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 281.671726] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 281.679439] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 281.686707] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 281.693977] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 281.701246] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 281.708513] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 281.715833] skb_clone+0x1bb/0x500 [ 281.719374] ? finish_task_switch+0x1b5/0x900 [ 281.723875] ? skb_split+0x11e0/0x11e0 [ 281.727780] ? preempt_notifier_register+0x200/0x200 [ 281.732884] ? __switch_to_asm+0x34/0x70 [ 281.736959] ? __switch_to_asm+0x34/0x70 [ 281.741019] ? __switch_to_asm+0x40/0x70 [ 281.745081] ? __switch_to_asm+0x34/0x70 [ 281.749139] ? __switch_to_asm+0x40/0x70 [ 281.753199] ? __switch_to_asm+0x34/0x70 [ 281.757261] ? __switch_to_asm+0x40/0x70 [ 281.761319] ? __switch_to_asm+0x34/0x70 [ 281.765379] ? __switch_to_asm+0x34/0x70 [ 281.769443] ? __switch_to_asm+0x40/0x70 [ 281.773510] ? __switch_to_asm+0x34/0x70 [ 281.777584] bpf_clone_redirect+0xb9/0x490 [ 281.781827] ? __schedule+0x874/0x1ed0 [ 281.785720] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 281.790748] ? __sched_text_start+0x8/0x8 [ 281.794923] ? find_held_lock+0x36/0x1c0 [ 281.799000] ? lock_acquire+0x1ed/0x520 [ 281.803001] ? bpf_test_run+0x32e/0x5a0 [ 281.806976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.812516] ? check_preemption_disabled+0x48/0x200 [ 281.817539] ? kasan_check_read+0x11/0x20 [ 281.822382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.827660] ? rcu_bh_qs+0xc0/0xc0 [ 281.831208] ? preempt_schedule+0x4d/0x60 [ 281.835359] ? ___preempt_schedule+0x16/0x18 [ 281.839776] ? bpf_test_run+0x1c0/0x5a0 [ 281.843765] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.848182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.853721] ? bpf_test_init.isra.9+0x70/0x100 [ 281.858311] ? bpf_prog_test_run_skb+0x634/0xb40 [ 281.863162] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.868006] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.873553] ? fput+0x130/0x1a0 [ 281.876834] ? __bpf_prog_get+0x9b/0x290 [ 281.880904] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.885754] ? bpf_prog_test_run+0x130/0x1a0 [ 281.890176] ? __x64_sys_bpf+0x3d8/0x510 [ 281.894239] ? bpf_prog_get+0x20/0x20 [ 281.898065] ? do_syscall_64+0x1b9/0x820 [ 281.902127] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.907502] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.912447] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.917470] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.922490] ? recalc_sigpending_tsk+0x180/0x180 [ 281.927245] ? kasan_check_write+0x14/0x20 [ 281.931486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.936338] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.941721] warn_alloc_show_mem: 1 callbacks suppressed [ 281.941733] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 281.941735] Mem-Info: [ 281.941766] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 281.941766] active_file:13 inactive_file:13 isolated_file:1 [ 281.941766] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.941766] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 281.941766] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 281.941766] free:13741 free_pcp:221 free_cma:0 [ 281.947101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.947110] Call Trace: [ 281.954043] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.956446] [ 281.989501] Node 0 [ 281.998867] dump_stack+0x1c4/0x2b4 [ 282.001446] 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 [ 282.030159] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.032281] lowmem_reserve[]: [ 282.034522] warn_alloc.cold.119+0xb7/0x1bd [ 282.038118] 0 [ 282.063800] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.068962] 2819 [ 282.072077] ? lock_downgrade+0x900/0x900 [ 282.076372] 6323 [ 282.078175] ? trace_hardirqs_off+0xb8/0x310 [ 282.082984] 6323 [ 282.085044] ? trace_hardirqs_off+0xb8/0x310 [ 282.091226] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.095601] Node 0 [ 282.097683] ? warn_alloc+0x120/0x120 [ 282.102062] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 282.106878] ? warn_alloc+0x120/0x120 [ 282.109080] lowmem_reserve[]: 0 [ 282.112882] ? print_usage_bug+0xc0/0xc0 [ 282.139942] 0 [ 282.143742] ? warn_alloc+0x120/0x120 [ 282.146990] 3503 [ 282.151054] ? print_usage_bug+0xc0/0xc0 [ 282.152827] 3503 [ 282.156636] ? __lock_acquire+0x7ec/0x4ec0 [ 282.158678] Node 0 [ 282.162734] ? __lock_acquire+0x7ec/0x4ec0 [ 282.164801] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 282.169004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.171213] lowmem_reserve[]: [ 282.175442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.175461] ? should_fail+0x22d/0xd01 [ 282.203891] 0 [ 282.209436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.212515] 0 [ 282.218043] ? __lock_acquire+0x7ec/0x4ec0 [ 282.221901] 0 [ 282.223709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.228783] 0 [ 282.230578] ? __lock_acquire+0x7ec/0x4ec0 [ 282.236585] ? should_fail+0x22d/0xd01 [ 282.241663] Node 0 [ 282.243465] ? mark_held_locks+0x130/0x130 [ 282.247754] DMA: [ 282.251636] ? mark_held_locks+0x130/0x130 [ 282.253849] 1*4kB [ 282.258073] ? graph_lock+0x170/0x170 [ 282.260121] (U) [ 282.264345] ? print_usage_bug+0xc0/0xc0 [ 282.266466] 0*8kB 0*16kB [ 282.270269] ? graph_lock+0x170/0x170 [ 282.272225] 1*32kB [ 282.276280] ? print_usage_bug+0xc0/0xc0 [ 282.279011] (U) [ 282.282807] ? wq_watchdog_touch+0x9c/0xfe [ 282.285021] 2*64kB [ 282.289082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.291030] (U) [ 282.295264] ? check_preemption_disabled+0x48/0x200 [ 282.297474] 1*128kB [ 282.303006] ? check_preemption_disabled+0x48/0x200 [ 282.304958] (U) [ 282.310451] ? __lock_is_held+0xb5/0x140 [ 282.312747] 1*256kB [ 282.317758] __alloc_pages_nodemask+0xa80/0xde0 [ 282.319707] (U) [ 282.323760] ? graph_lock+0x170/0x170 [ 282.326060] 0*512kB [ 282.330721] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.332672] 1*1024kB [ 282.336467] ? graph_lock+0x170/0x170 [ 282.338764] (U) [ 282.343783] ? find_held_lock+0x36/0x1c0 [ 282.346165] 1*2048kB [ 282.349965] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.351911] (M) [ 282.355974] ? lock_downgrade+0x900/0x900 [ 282.358368] 3*4096kB [ 282.363033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.364984] (M) [ 282.369124] cache_grow_begin+0x91/0x8c0 [ 282.371511] = 15908kB [ 282.377041] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.378991] Node 0 [ 282.383051] fallback_alloc+0x203/0x2e0 [ 282.385431] DMA32: 5*4kB [ 282.389846] ____cache_alloc_node+0x1c7/0x1e0 [ 282.392053] (UM) [ 282.396022] kmem_cache_alloc_node+0xe3/0x730 [ 282.398752] 0*8kB [ 282.403269] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.405305] 3*16kB [ 282.409799] __alloc_skb+0x119/0x770 [ 282.411932] (UM) [ 282.416166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.418371] 2*32kB (M) [ 282.422089] ? skb_scrub_packet+0x490/0x490 [ 282.424126] 5*64kB [ 282.429409] ? lock_downgrade+0x900/0x900 [ 282.432004] (UM) [ 282.436322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.438522] 3*128kB (M) [ 282.442673] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.444709] 3*256kB [ 282.450240] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.452887] (M) [ 282.458334] ? addrconf_rs_timer+0x690/0x690 [ 282.460636] 4*512kB [ 282.466089] ndisc_alloc_skb+0x144/0x340 [ 282.468034] (UM) [ 282.472443] ndisc_send_rs+0x331/0x6e0 [ 282.474743] 3*1024kB [ 282.478800] addrconf_rs_timer+0x314/0x690 [ 282.480837] (UM) [ 282.484720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.487104] 1*2048kB [ 282.491335] call_timer_fn+0x272/0x920 [ 282.493364] (M) [ 282.497590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.499974] 4*4096kB [ 282.503853] ? process_timeout+0x40/0x40 [ 282.505802] (M) [ 282.510033] ? find_held_lock+0x36/0x1c0 [ 282.512417] = 25156kB [ 282.516476] ? mark_held_locks+0xc7/0x130 [ 282.518431] Node 0 [ 282.522479] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.524857] Normal: 1005*4kB [ 282.529017] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.531230] (MEH) [ 282.535720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.538798] 451*8kB [ 282.543285] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.545411] (ME) [ 282.549644] ? trace_hardirqs_on+0xbd/0x310 [ 282.551945] 184*16kB [ 282.556518] ? kasan_check_read+0x11/0x20 [ 282.558558] (UME) [ 282.562871] ? __run_timers+0x7da/0xc70 [ 282.565255] 94*32kB [ 282.569394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.571517] (UME) [ 282.575488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.577783] 5*64kB [ 282.583229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.585353] (UM) [ 282.589587] __run_timers+0x7e5/0xc70 [ 282.591794] 0*128kB [ 282.596030] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.598058] 0*256kB [ 282.601866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.604165] 0*512kB [ 282.609521] ? graph_lock+0x170/0x170 [ 282.611823] 0*1024kB [ 282.616844] ? print_usage_bug+0xc0/0xc0 [ 282.619136] 0*2048kB 0*4096kB [ 282.622947] ? lock_release+0x970/0x970 [ 282.625333] = 13900kB [ 282.629386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.632590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.636553] ? find_held_lock+0x36/0x1c0 [ 282.638953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.644129] ? graph_lock+0x170/0x170 [ 282.652947] 4241 total pagecache pages [ 282.657002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.665557] 0 pages in swap cache [ 282.669353] ? check_preemption_disabled+0x48/0x200 [ 282.673227] Swap cache stats: add 0, delete 0, find 0/0 [ 282.678757] ? __lock_is_held+0xb5/0x140 [ 282.682192] Free swap = 0kB [ 282.687209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.692539] Total swap = 0kB [ 282.692546] 1965979 pages RAM [ 282.696603] ? check_preemption_disabled+0x48/0x200 [ 282.699590] 0 pages HighMem/MovableOnly [ 282.699598] 342307 pages reserved [ 282.705135] run_timer_softirq+0x52/0xb0 [ 282.708128] 0 pages cma reserved [ 282.711227] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.716299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.720183] __do_softirq+0x30b/0xad8 [ 282.723718] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.727689] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.731029] syz-executor5 cpuset= [ 282.736041] ? pvclock_read_flags+0x160/0x160 [ 282.742506] syz5 [ 282.746296] ? lapic_next_event+0x5a/0x90 [ 282.756756] mems_allowed=0 [ 282.761852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.784306] ? check_preemption_disabled+0x48/0x200 [ 282.789324] ? check_preemption_disabled+0x48/0x200 [ 282.794345] ? kvm_clock_read+0x18/0x30 [ 282.798319] ? kvm_sched_clock_read+0x9/0x20 [ 282.802729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.808270] ? check_preemption_disabled+0x48/0x200 [ 282.813317] irq_exit+0x17f/0x1c0 [ 282.816774] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.821619] ? smp_reschedule_interrupt+0x109/0x650 [ 282.826638] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.832552] ? interrupt_entry+0xb5/0xf0 [ 282.836617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.841631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.846651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.851494] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.856506] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.861528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.867066] ? check_preemption_disabled+0x48/0x200 [ 282.872082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.877631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.882483] apic_timer_interrupt+0xf/0x20 [ 282.886710] [ 282.888960] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 282.893979] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 282.912878] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 282.920600] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 282.927869] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 282.935136] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 282.942400] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 282.949664] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 282.956968] ? list_lru_count_one+0x36d/0x450 [ 282.961462] ? list_lru_count_one+0x260/0x450 [ 282.965981] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.971777] ? kasan_check_read+0x11/0x20 [ 282.975962] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.981240] ? rcu_bh_qs+0xc0/0xc0 [ 282.984796] list_lru_count_one+0x265/0x450 [ 282.989119] ? list_lru_add+0x980/0x980 [ 282.993098] ? deferred_split_count+0x65/0x170 [ 282.997678] ? shrink_huge_zero_page_count+0xc8/0x100 [ 283.002871] super_cache_count+0x153/0x2e0 [ 283.007114] do_shrink_slab+0x1a7/0xd20 [ 283.011096] ? lock_release+0x970/0x970 [ 283.015072] ? snapshot_refaults+0x290/0x290 [ 283.019491] ? ___might_sleep+0x1ed/0x300 [ 283.023647] ? down_read_trylock+0xff/0x1e0 [ 283.027964] ? shrink_slab+0x207/0x8c0 [ 283.031851] ? downgrade_write+0x2b0/0x2b0 [ 283.036088] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.041624] ? shrink_node_memcg+0xc82/0x18e0 [ 283.046135] shrink_slab+0x389/0x8c0 [ 283.049848] ? shrink_active_list+0x1c20/0x1c20 [ 283.054528] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 283.060156] ? kasan_check_read+0x11/0x20 [ 283.064307] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.068721] ? ___preempt_schedule+0x16/0x18 [ 283.073142] ? _raw_spin_unlock+0x3f/0x50 [ 283.077300] shrink_node+0x431/0x16b0 [ 283.081113] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 283.086420] ? shrink_node_memcg+0x18e0/0x18e0 [ 283.091015] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.095601] ? trace_hardirqs_on+0xbd/0x310 [ 283.099935] ? vmpressure+0x271/0x340 [ 283.103745] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 283.108335] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.113871] ? __cpuset_node_allowed+0x19b/0x660 [ 283.118629] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 283.124339] ? vmpressure+0x1a2/0x340 [ 283.128161] do_try_to_free_pages+0x3e7/0x1290 [ 283.132765] ? shrink_node+0x16b0/0x16b0 [ 283.136830] ? __lock_is_held+0xb5/0x140 [ 283.140907] try_to_free_pages+0x4d0/0xb90 [ 283.145162] ? do_try_to_free_pages+0x1290/0x1290 [ 283.150010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.155560] ? lock_acquire+0x1ed/0x520 [ 283.159533] ? set_page_refcounted+0x280/0x280 [ 283.164125] ? lock_release+0x970/0x970 [ 283.168106] ? ___might_sleep+0x1ed/0x300 [ 283.172255] ? arch_local_save_flags+0x40/0x40 [ 283.176858] __alloc_pages_slowpath+0x993/0x2d80 [ 283.181649] ? warn_alloc+0x120/0x120 [ 283.185447] ? __radix_tree_lookup+0x4c0/0x4c0 [ 283.190045] ? find_get_entry+0x2f2/0xc40 [ 283.194206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.199743] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 283.204671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.210210] ? should_fail+0x22d/0xd01 [ 283.214106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.219208] ? __lock_is_held+0xb5/0x140 [ 283.223295] ? __lock_is_held+0xb5/0x140 [ 283.227369] ? __lock_acquire+0x7ec/0x4ec0 [ 283.231609] ? ___might_sleep+0x1ed/0x300 [ 283.235757] ? lock_release+0x970/0x970 [ 283.239734] ? arch_local_save_flags+0x40/0x40 [ 283.244330] ? __might_sleep+0x95/0x190 [ 283.248314] __alloc_pages_nodemask+0xa80/0xde0 [ 283.252997] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.258015] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.263811] ? kasan_check_read+0x11/0x20 [ 283.267966] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.273249] ? graph_lock+0x170/0x170 [ 283.277051] ? print_usage_bug+0xc0/0xc0 [ 283.281115] ? graph_lock+0x170/0x170 [ 283.284950] ? graph_lock+0x170/0x170 [ 283.288755] ? __do_page_cache_readahead+0x7ce/0x980 [ 283.293864] ? find_held_lock+0x36/0x1c0 [ 283.297944] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 283.303489] alloc_pages_current+0x10c/0x210 [ 283.308382] ? lock_downgrade+0x900/0x900 [ 283.312552] __page_cache_alloc+0x38f/0x5b0 [ 283.316889] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.322693] ? kasan_check_read+0x11/0x20 [ 283.326843] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.332122] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 283.336798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.342341] ? check_preemption_disabled+0x48/0x200 [ 283.347369] filemap_fault+0x1594/0x25f0 [ 283.351441] ? __lock_page_or_retry+0xa00/0xa00 [ 283.356112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.361905] ? kasan_check_read+0x11/0x20 [ 283.366069] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.371347] ? ep_scan_ready_list+0xbeb/0x1050 [ 283.375941] ? rcu_bh_qs+0xc0/0xc0 [ 283.379486] ? lock_downgrade+0x900/0x900 [ 283.383637] ? graph_lock+0x170/0x170 [ 283.387449] ? filemap_map_pages+0xdea/0x1980 [ 283.391971] ? find_get_pages_range_tag+0x1320/0x1320 [ 283.397167] ? wait_for_completion+0x8a0/0x8a0 [ 283.401750] ? graph_lock+0x170/0x170 [ 283.405565] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.410145] ? kasan_check_read+0x11/0x20 [ 283.414290] ? ep_scan_ready_list+0xbc7/0x1050 [ 283.418879] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.424342] ? lock_acquire+0x1ed/0x520 [ 283.428315] ? ext4_filemap_fault+0x7a/0xad [ 283.432641] ? lock_release+0x970/0x970 [ 283.436617] ? arch_local_save_flags+0x40/0x40 [ 283.441345] ? ep_poll_callback+0x10e0/0x10e0 [ 283.445857] ? down_read+0xb0/0x1d0 [ 283.449485] ? ext4_filemap_fault+0x7a/0xad [ 283.453808] ? __down_interruptible+0x700/0x700 [ 283.458489] ? get_futex_key+0x21b0/0x21b0 [ 283.462737] ext4_filemap_fault+0x82/0xad [ 283.466890] __do_fault+0x100/0x6b0 [ 283.470553] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.475049] ? print_bad_pte+0x6c0/0x6c0 [ 283.479108] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.483692] ? trace_hardirqs_on+0xbd/0x310 [ 283.488023] ? kasan_check_read+0x11/0x20 [ 283.492171] ? pmd_val+0x88/0x100 [ 283.495630] ? add_mm_counter_fast+0xd0/0xd0 [ 283.500039] ? pmd_val+0x88/0x100 [ 283.503497] ? add_mm_counter_fast+0xd0/0xd0 [ 283.507948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.513493] __handle_mm_fault+0x3709/0x53e0 [ 283.517922] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 283.522775] ? graph_lock+0x170/0x170 [ 283.526575] ? print_usage_bug+0xc0/0xc0 [ 283.530633] ? rcu_bh_qs+0xc0/0xc0 [ 283.534173] ? graph_lock+0x170/0x170 [ 283.537972] ? graph_lock+0x170/0x170 [ 283.541820] ? handle_mm_fault+0x42a/0xc70 [ 283.546059] ? lock_downgrade+0x900/0x900 [ 283.550212] ? check_preemption_disabled+0x48/0x200 [ 283.555237] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.561034] ? kasan_check_read+0x11/0x20 [ 283.565182] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.570474] ? rcu_bh_qs+0xc0/0xc0 [ 283.574018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.579473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.585012] ? check_preemption_disabled+0x48/0x200 [ 283.590035] handle_mm_fault+0x54f/0xc70 [ 283.594105] ? __handle_mm_fault+0x53e0/0x53e0 [ 283.598723] ? find_vma+0x34/0x190 [ 283.602275] __do_page_fault+0x67d/0xed0 [ 283.606348] ? mm_fault_error+0x380/0x380 [ 283.610510] ? trace_hardirqs_off+0xb8/0x310 [ 283.614930] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 283.620296] ? trace_hardirqs_on+0x310/0x310 [ 283.624713] do_page_fault+0xf2/0x7e0 [ 283.628514] ? vmalloc_sync_all+0x30/0x30 [ 283.632678] ? error_entry+0x70/0xd0 [ 283.636410] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.641426] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.646386] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.651313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.656158] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.661172] ? trace_hardirqs_off+0x310/0x310 [ 283.665672] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.670687] ? page_fault+0x8/0x30 [ 283.674228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.679076] ? page_fault+0x8/0x30 [ 283.682617] page_fault+0x1e/0x30 [ 283.686070] RIP: 0033:0x45df89 [ 283.689264] Code: Bad RIP value. [ 283.692623] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 283.697985] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 283.705251] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 283.712519] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 283.719800] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 283.727068] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 283.734364] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 283.734430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.741552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.741557] Call Trace: [ 283.741563] [ 283.741582] dump_stack+0x1c4/0x2b4 [ 283.741600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.748124] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.757456] warn_alloc.cold.119+0xb7/0x1bd [ 283.760004] syz-fuzzer cpuset= [ 283.762147] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.765746] / [ 283.770935] ? lock_downgrade+0x900/0x900 [ 283.781141] mems_allowed=0 [ 283.785503] ? trace_hardirqs_off+0xb8/0x310 [ 283.806686] ? trace_hardirqs_off+0xb8/0x310 [ 283.811103] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.815982] ? warn_alloc+0x120/0x120 [ 283.819788] ? trace_hardirqs_on+0x310/0x310 [ 283.824201] ? warn_alloc+0x120/0x120 [ 283.828004] ? print_usage_bug+0xc0/0xc0 [ 283.832064] ? warn_alloc+0x120/0x120 [ 283.835865] ? ktime_get+0x2e1/0x440 [ 283.839580] ? print_usage_bug+0xc0/0xc0 [ 283.843648] ? __lock_acquire+0x7ec/0x4ec0 [ 283.847881] ? __lock_acquire+0x7ec/0x4ec0 [ 283.852114] ? kasan_check_read+0x11/0x20 [ 283.856263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.861801] ? should_fail+0x22d/0xd01 [ 283.865687] ? rcu_bh_qs+0xc0/0xc0 [ 283.869229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.874331] ? __lock_acquire+0x7ec/0x4ec0 [ 283.878571] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.883679] ? __lock_acquire+0x7ec/0x4ec0 [ 283.887928] ? should_fail+0x22d/0xd01 [ 283.891821] ? rcu_idle_enter+0x4b0/0x4b0 [ 283.895990] ? mark_held_locks+0x130/0x130 [ 283.900231] ? mark_held_locks+0x130/0x130 [ 283.904471] ? mark_held_locks+0xc7/0x130 [ 283.908621] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 283.913636] ? graph_lock+0x170/0x170 [ 283.917466] ? print_usage_bug+0xc0/0xc0 [ 283.921543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.927096] ? check_preemption_disabled+0x48/0x200 [ 283.932111] ? check_preemption_disabled+0x48/0x200 [ 283.937140] ? __lock_is_held+0xb5/0x140 [ 283.941210] __alloc_pages_nodemask+0xa80/0xde0 [ 283.945881] ? graph_lock+0x170/0x170 [ 283.949695] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.954711] ? graph_lock+0x170/0x170 [ 283.958553] ? find_held_lock+0x36/0x1c0 [ 283.962641] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.967314] ? lock_downgrade+0x900/0x900 [ 283.971473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.977015] cache_grow_begin+0x91/0x8c0 [ 283.981075] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.985491] fallback_alloc+0x203/0x2e0 [ 283.989474] ____cache_alloc_node+0x1c7/0x1e0 [ 283.993974] kmem_cache_alloc_node+0xe3/0x730 [ 283.998473] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.002717] __alloc_skb+0x119/0x770 [ 284.006441] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.011725] ? skb_scrub_packet+0x490/0x490 [ 284.016051] ? lock_downgrade+0x900/0x900 [ 284.020207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.025743] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.031195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.036648] ? addrconf_rs_timer+0x690/0x690 [ 284.041070] ndisc_alloc_skb+0x144/0x340 [ 284.045138] ndisc_send_rs+0x331/0x6e0 [ 284.049032] addrconf_rs_timer+0x314/0x690 [ 284.053272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.057519] call_timer_fn+0x272/0x920 [ 284.061407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.065650] ? process_timeout+0x40/0x40 [ 284.069713] ? find_held_lock+0x36/0x1c0 [ 284.073786] ? __run_timers+0x7da/0xc70 [ 284.077767] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.082259] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.086752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.090985] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.095568] ? trace_hardirqs_on+0xbd/0x310 [ 284.099885] ? kasan_check_read+0x11/0x20 [ 284.104041] ? __run_timers+0x7da/0xc70 [ 284.108016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.113520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.117761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.122000] __run_timers+0x7e5/0xc70 [ 284.125815] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.131181] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.136199] ? graph_lock+0x170/0x170 [ 284.140006] ? enqueue_hrtimer+0x1a5/0x560 [ 284.144239] ? lock_release+0x970/0x970 [ 284.148213] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.153418] ? find_held_lock+0x36/0x1c0 [ 284.157523] ? graph_lock+0x170/0x170 [ 284.161342] ? pvclock_read_flags+0x160/0x160 [ 284.165850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.171414] ? check_preemption_disabled+0x48/0x200 [ 284.176453] ? __lock_is_held+0xb5/0x140 [ 284.180514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.186054] ? check_preemption_disabled+0x48/0x200 [ 284.191080] run_timer_softirq+0x52/0xb0 [ 284.195144] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.200163] __do_softirq+0x30b/0xad8 [ 284.203976] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.209087] ? pvclock_read_flags+0x160/0x160 [ 284.213580] ? lapic_next_event+0x5a/0x90 [ 284.217731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.223272] ? check_preemption_disabled+0x48/0x200 [ 284.228287] ? check_preemption_disabled+0x48/0x200 [ 284.233308] ? kvm_clock_read+0x18/0x30 [ 284.237283] ? kvm_sched_clock_read+0x9/0x20 [ 284.241691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.247240] ? check_preemption_disabled+0x48/0x200 [ 284.252267] irq_exit+0x17f/0x1c0 [ 284.255722] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.260565] ? smp_reschedule_interrupt+0x109/0x650 [ 284.265612] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.271495] ? interrupt_entry+0xb5/0xf0 [ 284.275562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.280579] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.285600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.290449] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.295464] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.300479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.306020] ? check_preemption_disabled+0x48/0x200 [ 284.311038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.316582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.321448] apic_timer_interrupt+0xf/0x20 [ 284.325679] [ 284.327955] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 284.332888] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 284.351803] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.359512] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.366776] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 284.374060] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 284.381369] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 284.388633] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.396117] skb_clone+0x1bb/0x500 [ 284.399658] ? finish_task_switch+0x1b5/0x900 [ 284.404155] ? skb_split+0x11e0/0x11e0 [ 284.408046] ? preempt_notifier_register+0x200/0x200 [ 284.413150] ? __switch_to_asm+0x34/0x70 [ 284.417208] ? __switch_to_asm+0x34/0x70 [ 284.421267] ? __switch_to_asm+0x40/0x70 [ 284.425350] ? __switch_to_asm+0x34/0x70 [ 284.429412] ? __switch_to_asm+0x40/0x70 [ 284.433475] ? __switch_to_asm+0x34/0x70 [ 284.437532] ? __switch_to_asm+0x40/0x70 [ 284.441588] ? __switch_to_asm+0x34/0x70 [ 284.445674] ? __switch_to_asm+0x34/0x70 [ 284.449729] ? __switch_to_asm+0x40/0x70 [ 284.453790] ? __switch_to_asm+0x34/0x70 [ 284.457871] bpf_clone_redirect+0xb9/0x490 [ 284.462140] ? __schedule+0x874/0x1ed0 [ 284.466039] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 284.471060] ? __sched_text_start+0x8/0x8 [ 284.475247] ? find_held_lock+0x36/0x1c0 [ 284.479320] ? lock_acquire+0x1ed/0x520 [ 284.483297] ? bpf_test_run+0x32e/0x5a0 [ 284.487271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.492822] ? check_preemption_disabled+0x48/0x200 [ 284.497842] ? kasan_check_read+0x11/0x20 [ 284.501992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.507268] ? rcu_bh_qs+0xc0/0xc0 [ 284.510836] ? preempt_schedule+0x4d/0x60 [ 284.514987] ? ___preempt_schedule+0x16/0x18 [ 284.519405] ? bpf_test_run+0x1c0/0x5a0 [ 284.523399] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.527812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.533346] ? bpf_test_init.isra.9+0x70/0x100 [ 284.537940] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.542722] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.547568] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.553103] ? fput+0x130/0x1a0 [ 284.556387] ? __bpf_prog_get+0x9b/0x290 [ 284.560453] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.565294] ? bpf_prog_test_run+0x130/0x1a0 [ 284.569705] ? __x64_sys_bpf+0x3d8/0x510 [ 284.573765] ? bpf_prog_get+0x20/0x20 [ 284.577602] ? do_syscall_64+0x1b9/0x820 [ 284.581663] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.587038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.591976] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.596995] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.602034] ? recalc_sigpending_tsk+0x180/0x180 [ 284.606788] ? kasan_check_write+0x14/0x20 [ 284.611033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.615888] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.621275] warn_alloc_show_mem: 1 callbacks suppressed [ 284.621287] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 284.621289] Mem-Info: [ 284.621320] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 284.621320] active_file:13 inactive_file:13 isolated_file:1 [ 284.621320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.621320] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 284.621320] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 284.621320] free:13741 free_pcp:221 free_cma:0 [ 284.626652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.626660] Call Trace: [ 284.633592] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.635988] [ 284.669024] Node 0 [ 284.678382] dump_stack+0x1c4/0x2b4 [ 284.680974] 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 [ 284.708782] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.710904] lowmem_reserve[]: [ 284.713157] warn_alloc.cold.119+0xb7/0x1bd [ 284.716747] 0 [ 284.742255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.747417] 2819 [ 284.750533] ? lock_downgrade+0x900/0x900 [ 284.754831] 6323 [ 284.756632] ? trace_hardirqs_off+0xb8/0x310 [ 284.761439] 6323 [ 284.763505] ? trace_hardirqs_off+0xb8/0x310 [ 284.767623] Node 0 [ 284.769688] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.774092] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 284.776150] ? warn_alloc+0x120/0x120 [ 284.780516] lowmem_reserve[]: 0 [ 284.782785] ? warn_alloc+0x120/0x120 [ 284.787599] 0 [ 284.814663] ? print_usage_bug+0xc0/0xc0 [ 284.818441] 3503 [ 284.821726] ? warn_alloc+0x120/0x120 [ 284.825525] 3503 [ 284.827329] ? print_usage_bug+0xc0/0xc0 [ 284.831363] Node 0 [ 284.833418] ? __lock_acquire+0x7ec/0x4ec0 [ 284.837226] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 284.839262] ? __lock_acquire+0x7ec/0x4ec0 [ 284.843375] lowmem_reserve[]: 0 [ 284.845617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.849826] 0 [ 284.878274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.882474] 0 0 [ 284.885754] ? should_fail+0x22d/0xd01 [ 284.891265] Node 0 [ 284.893065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.898576] DMA: 1*4kB [ 284.900562] ? __lock_acquire+0x7ec/0x4ec0 [ 284.904425] (U) [ 284.906659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.911733] 0*8kB [ 284.914308] ? __lock_acquire+0x7ec/0x4ec0 [ 284.918519] 0*16kB [ 284.920487] ? should_fail+0x22d/0xd01 [ 284.925566] 1*32kB [ 284.927714] ? mark_held_locks+0x130/0x130 [ 284.931932] (U) [ 284.934162] ? mark_held_locks+0x130/0x130 [ 284.938022] 2*64kB [ 284.940249] ? graph_lock+0x170/0x170 [ 284.944471] (U) [ 284.946453] ? print_usage_bug+0xc0/0xc0 [ 284.950679] 1*128kB [ 284.952905] ? graph_lock+0x170/0x170 [ 284.956698] (U) [ 284.958682] ? print_usage_bug+0xc0/0xc0 [ 284.962711] 1*256kB (U) [ 284.965033] ? wq_watchdog_touch+0x9c/0xfe [ 284.968825] 0*512kB [ 284.970795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.974831] 1*1024kB [ 284.977498] ? check_preemption_disabled+0x48/0x200 [ 284.981718] (U) [ 284.984039] ? check_preemption_disabled+0x48/0x200 [ 284.989541] 1*2048kB (M) [ 284.991980] ? __lock_is_held+0xb5/0x140 [ 284.996967] 3*4096kB [ 284.998950] __alloc_pages_nodemask+0xa80/0xde0 [ 285.003931] (M) = 15908kB [ 285.006688] ? graph_lock+0x170/0x170 [ 285.010735] Node 0 [ 285.013139] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.017794] DMA32: [ 285.020546] ? graph_lock+0x170/0x170 [ 285.024322] 5*4kB [ 285.026558] ? find_held_lock+0x36/0x1c0 [ 285.031544] (UM) [ 285.033795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.037565] 0*8kB [ 285.039706] ? lock_downgrade+0x900/0x900 [ 285.043741] 3*16kB [ 285.045802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.050443] (UM) [ 285.052590] cache_grow_begin+0x91/0x8c0 [ 285.056710] 2*32kB [ 285.058945] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.064455] (M) [ 285.066518] fallback_alloc+0x203/0x2e0 [ 285.070555] 5*64kB [ 285.072789] ____cache_alloc_node+0x1c7/0x1e0 [ 285.077175] (UM) [ 285.079154] kmem_cache_alloc_node+0xe3/0x730 [ 285.083104] 3*128kB [ 285.085334] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.089798] (M) [ 285.091858] __alloc_skb+0x119/0x770 [ 285.096327] 3*256kB [ 285.098646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.102851] (M) [ 285.104823] ? skb_scrub_packet+0x490/0x490 [ 285.108505] 4*512kB (UM) [ 285.110829] ? lock_downgrade+0x900/0x900 [ 285.116079] 3*1024kB [ 285.118050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.122342] (UM) [ 285.125102] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.129220] 1*2048kB [ 285.131622] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.137130] (M) [ 285.139188] ? addrconf_rs_timer+0x690/0x690 [ 285.144606] 4*4096kB (M) [ 285.147045] ndisc_alloc_skb+0x144/0x340 [ 285.152455] = 25156kB [ 285.152463] Node 0 [ 285.154439] ndisc_send_rs+0x331/0x6e0 [ 285.158828] Normal: [ 285.161582] addrconf_rs_timer+0x314/0x690 [ 285.165620] 1005*4kB [ 285.168025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.170232] (MEH) [ 285.174121] call_timer_fn+0x272/0x920 [ 285.176414] 451*8kB [ 285.180643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.183027] (ME) [ 285.187257] ? process_timeout+0x40/0x40 [ 285.189383] 184*16kB [ 285.193259] ? find_held_lock+0x36/0x1c0 [ 285.195561] (UME) [ 285.199792] ? mark_held_locks+0xc7/0x130 [ 285.201822] 94*32kB (UME) [ 285.205882] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.208268] 5*64kB [ 285.212321] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.214451] (UM) [ 285.218590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.221409] 0*128kB [ 285.225895] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.228109] 0*256kB [ 285.232595] ? trace_hardirqs_on+0xbd/0x310 [ 285.234636] 0*512kB [ 285.238859] ? kasan_check_read+0x11/0x20 [ 285.241162] 0*1024kB [ 285.245751] ? __run_timers+0x7da/0xc70 [ 285.248056] 0*2048kB [ 285.252368] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.254670] 0*4096kB [ 285.258810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.261199] = 13900kB [ 285.265169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.267559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.272997] __run_timers+0x7e5/0xc70 [ 285.275390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.279624] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.281997] 4241 total pagecache pages [ 285.286228] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.295046] 0 pages in swap cache [ 285.298840] ? graph_lock+0x170/0x170 [ 285.307503] Swap cache stats: add 0, delete 0, find 0/0 [ 285.307512] Free swap = 0kB [ 285.312875] ? print_usage_bug+0xc0/0xc0 [ 285.316733] Total swap = 0kB [ 285.316741] 1965979 pages RAM [ 285.321747] ? lock_release+0x970/0x970 [ 285.325171] 0 pages HighMem/MovableOnly [ 285.325179] 342307 pages reserved [ 285.328979] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.334314] 0 pages cma reserved [ 285.334387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.337333] ? find_held_lock+0x36/0x1c0 [ 285.341464] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.344381] ? graph_lock+0x170/0x170 [ 285.347465] syz-executor5 cpuset= [ 285.351432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.355382] syz5 [ 285.358830] ? check_preemption_disabled+0x48/0x200 [ 285.363995] mems_allowed=0 [ 285.367356] ? __lock_is_held+0xb5/0x140 [ 285.415043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.420580] ? check_preemption_disabled+0x48/0x200 [ 285.425606] run_timer_softirq+0x52/0xb0 [ 285.429665] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.434953] __do_softirq+0x30b/0xad8 [ 285.438996] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.444121] ? pvclock_read_flags+0x160/0x160 [ 285.448618] ? lapic_next_event+0x5a/0x90 [ 285.452768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.458307] ? check_preemption_disabled+0x48/0x200 [ 285.463320] ? check_preemption_disabled+0x48/0x200 [ 285.468345] ? kvm_clock_read+0x18/0x30 [ 285.472318] ? kvm_sched_clock_read+0x9/0x20 [ 285.476726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.482263] ? check_preemption_disabled+0x48/0x200 [ 285.487290] irq_exit+0x17f/0x1c0 [ 285.490751] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.495593] ? smp_reschedule_interrupt+0x109/0x650 [ 285.500615] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.506498] ? interrupt_entry+0xb5/0xf0 [ 285.510561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.515586] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.520604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.525451] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.530469] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.535510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.541061] ? check_preemption_disabled+0x48/0x200 [ 285.546076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.551622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.556487] apic_timer_interrupt+0xf/0x20 [ 285.560718] [ 285.562994] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 285.568015] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 285.586924] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 285.594638] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 285.601903] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 285.609181] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 285.616463] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 285.623730] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 285.631012] ? list_lru_count_one+0x36d/0x450 [ 285.635509] ? list_lru_count_one+0x260/0x450 [ 285.640016] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.645808] ? kasan_check_read+0x11/0x20 [ 285.649965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.655242] ? rcu_bh_qs+0xc0/0xc0 [ 285.658794] list_lru_count_one+0x265/0x450 [ 285.663118] ? list_lru_add+0x980/0x980 [ 285.667096] ? deferred_split_count+0x65/0x170 [ 285.671679] ? shrink_huge_zero_page_count+0xc8/0x100 [ 285.676873] super_cache_count+0x153/0x2e0 [ 285.681118] do_shrink_slab+0x1a7/0xd20 [ 285.685099] ? lock_release+0x970/0x970 [ 285.689074] ? snapshot_refaults+0x290/0x290 [ 285.693490] ? ___might_sleep+0x1ed/0x300 [ 285.697647] ? down_read_trylock+0xff/0x1e0 [ 285.701971] ? shrink_slab+0x207/0x8c0 [ 285.705860] ? downgrade_write+0x2b0/0x2b0 [ 285.710125] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.715660] ? shrink_node_memcg+0xc82/0x18e0 [ 285.720171] shrink_slab+0x389/0x8c0 [ 285.723887] ? shrink_active_list+0x1c20/0x1c20 [ 285.728589] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 285.734218] ? kasan_check_read+0x11/0x20 [ 285.738370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.742788] ? ___preempt_schedule+0x16/0x18 [ 285.747202] ? _raw_spin_unlock+0x3f/0x50 [ 285.751405] shrink_node+0x431/0x16b0 [ 285.755207] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 285.760514] ? shrink_node_memcg+0x18e0/0x18e0 [ 285.765097] ? lockdep_hardirqs_on+0x421/0x5c0 [ 285.769681] ? trace_hardirqs_on+0xbd/0x310 [ 285.774003] ? vmpressure+0x271/0x340 [ 285.777811] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.782398] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.787974] ? __cpuset_node_allowed+0x19b/0x660 [ 285.792730] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 285.798456] ? vmpressure+0x1a2/0x340 [ 285.802270] do_try_to_free_pages+0x3e7/0x1290 [ 285.806870] ? shrink_node+0x16b0/0x16b0 [ 285.810961] ? __lock_is_held+0xb5/0x140 [ 285.815036] try_to_free_pages+0x4d0/0xb90 [ 285.819279] ? do_try_to_free_pages+0x1290/0x1290 [ 285.824123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.829673] ? lock_acquire+0x1ed/0x520 [ 285.833648] ? set_page_refcounted+0x280/0x280 [ 285.838239] ? lock_release+0x970/0x970 [ 285.842220] ? ___might_sleep+0x1ed/0x300 [ 285.846372] ? arch_local_save_flags+0x40/0x40 [ 285.850969] __alloc_pages_slowpath+0x993/0x2d80 [ 285.855754] ? warn_alloc+0x120/0x120 [ 285.859554] ? __radix_tree_lookup+0x4c0/0x4c0 [ 285.864154] ? find_get_entry+0x2f2/0xc40 [ 285.868310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.873848] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 285.878776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.884314] ? should_fail+0x22d/0xd01 [ 285.888207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.893328] ? __lock_is_held+0xb5/0x140 [ 285.897424] ? __lock_is_held+0xb5/0x140 [ 285.901497] ? __lock_acquire+0x7ec/0x4ec0 [ 285.905734] ? ___might_sleep+0x1ed/0x300 [ 285.909883] ? lock_release+0x970/0x970 [ 285.913871] ? arch_local_save_flags+0x40/0x40 [ 285.918465] ? __might_sleep+0x95/0x190 [ 285.922444] __alloc_pages_nodemask+0xa80/0xde0 [ 285.927123] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.932144] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.937954] ? kasan_check_read+0x11/0x20 [ 285.942105] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.947386] ? graph_lock+0x170/0x170 [ 285.951189] ? print_usage_bug+0xc0/0xc0 [ 285.955252] ? graph_lock+0x170/0x170 [ 285.959054] ? graph_lock+0x170/0x170 [ 285.962857] ? __do_page_cache_readahead+0x7ce/0x980 [ 285.967967] ? find_held_lock+0x36/0x1c0 [ 285.972036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 285.977577] alloc_pages_current+0x10c/0x210 [ 285.981999] ? lock_downgrade+0x900/0x900 [ 285.986155] __page_cache_alloc+0x38f/0x5b0 [ 285.990476] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.996267] ? kasan_check_read+0x11/0x20 [ 286.000418] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.005713] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 286.010387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.015938] ? check_preemption_disabled+0x48/0x200 [ 286.020969] filemap_fault+0x1594/0x25f0 [ 286.025043] ? __lock_page_or_retry+0xa00/0xa00 [ 286.029713] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.035526] ? kasan_check_read+0x11/0x20 [ 286.039684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.044958] ? ep_scan_ready_list+0xbeb/0x1050 [ 286.049553] ? rcu_bh_qs+0xc0/0xc0 [ 286.053090] ? lock_downgrade+0x900/0x900 [ 286.057242] ? graph_lock+0x170/0x170 [ 286.061052] ? filemap_map_pages+0xdea/0x1980 [ 286.065582] ? find_get_pages_range_tag+0x1320/0x1320 [ 286.070773] ? wait_for_completion+0x8a0/0x8a0 [ 286.075355] ? graph_lock+0x170/0x170 [ 286.079161] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.083742] ? kasan_check_read+0x11/0x20 [ 286.087888] ? ep_scan_ready_list+0xbc7/0x1050 [ 286.092486] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.097964] ? lock_acquire+0x1ed/0x520 [ 286.101948] ? ext4_filemap_fault+0x7a/0xad [ 286.106281] ? lock_release+0x970/0x970 [ 286.110251] ? arch_local_save_flags+0x40/0x40 [ 286.114835] ? ep_poll_callback+0x10e0/0x10e0 [ 286.119347] ? down_read+0xb0/0x1d0 [ 286.122972] ? ext4_filemap_fault+0x7a/0xad [ 286.127293] ? __down_interruptible+0x700/0x700 [ 286.131967] ? get_futex_key+0x21b0/0x21b0 [ 286.136223] ext4_filemap_fault+0x82/0xad [ 286.140379] __do_fault+0x100/0x6b0 [ 286.144007] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.148506] ? print_bad_pte+0x6c0/0x6c0 [ 286.152566] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.157159] ? trace_hardirqs_on+0xbd/0x310 [ 286.161490] ? kasan_check_read+0x11/0x20 [ 286.165648] ? pmd_val+0x88/0x100 [ 286.169100] ? add_mm_counter_fast+0xd0/0xd0 [ 286.173506] ? pmd_val+0x88/0x100 [ 286.176961] ? add_mm_counter_fast+0xd0/0xd0 [ 286.181375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.186956] __handle_mm_fault+0x3709/0x53e0 [ 286.191386] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 286.196230] ? graph_lock+0x170/0x170 [ 286.200031] ? print_usage_bug+0xc0/0xc0 [ 286.204094] ? rcu_bh_qs+0xc0/0xc0 [ 286.207633] ? graph_lock+0x170/0x170 [ 286.211431] ? graph_lock+0x170/0x170 [ 286.215253] ? handle_mm_fault+0x42a/0xc70 [ 286.219489] ? lock_downgrade+0x900/0x900 [ 286.223641] ? check_preemption_disabled+0x48/0x200 [ 286.228661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.234454] ? kasan_check_read+0x11/0x20 [ 286.238601] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.243883] ? rcu_bh_qs+0xc0/0xc0 [ 286.247446] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.252899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.258446] ? check_preemption_disabled+0x48/0x200 [ 286.263468] handle_mm_fault+0x54f/0xc70 [ 286.267546] ? __handle_mm_fault+0x53e0/0x53e0 [ 286.272133] ? find_vma+0x34/0x190 [ 286.275680] __do_page_fault+0x67d/0xed0 [ 286.279750] ? mm_fault_error+0x380/0x380 [ 286.283896] ? trace_hardirqs_off+0xb8/0x310 [ 286.288345] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.293707] ? trace_hardirqs_on+0x310/0x310 [ 286.298119] do_page_fault+0xf2/0x7e0 [ 286.301933] ? vmalloc_sync_all+0x30/0x30 [ 286.306082] ? error_entry+0x70/0xd0 [ 286.310281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.315299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.320228] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.325158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.330001] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.335019] ? trace_hardirqs_off+0x310/0x310 [ 286.339525] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.344557] ? page_fault+0x8/0x30 [ 286.348104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.352962] ? page_fault+0x8/0x30 [ 286.356501] page_fault+0x1e/0x30 [ 286.359959] RIP: 0033:0x45df89 [ 286.363169] Code: Bad RIP value. [ 286.366585] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 286.371952] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 286.379222] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 286.386488] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 286.393755] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.401022] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 286.408325] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 286.408412] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.415520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.415525] Call Trace: [ 286.415532] [ 286.415551] dump_stack+0x1c4/0x2b4 [ 286.415569] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.422139] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.431416] warn_alloc.cold.119+0xb7/0x1bd [ 286.433976] syz-fuzzer cpuset= [ 286.436128] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.439728] / [ 286.444925] ? lock_downgrade+0x900/0x900 [ 286.455126] mems_allowed=0 [ 286.459446] ? trace_hardirqs_off+0xb8/0x310 [ 286.480580] ? trace_hardirqs_off+0xb8/0x310 [ 286.485012] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.489886] ? warn_alloc+0x120/0x120 [ 286.493697] ? trace_hardirqs_on+0x310/0x310 [ 286.498107] ? warn_alloc+0x120/0x120 [ 286.501913] ? print_usage_bug+0xc0/0xc0 [ 286.505990] ? warn_alloc+0x120/0x120 [ 286.509791] ? ktime_get+0x2e1/0x440 [ 286.513506] ? print_usage_bug+0xc0/0xc0 [ 286.517573] ? __lock_acquire+0x7ec/0x4ec0 [ 286.521809] ? __lock_acquire+0x7ec/0x4ec0 [ 286.526041] ? kasan_check_read+0x11/0x20 [ 286.530202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.535739] ? should_fail+0x22d/0xd01 [ 286.539629] ? rcu_bh_qs+0xc0/0xc0 [ 286.543173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.548274] ? __lock_acquire+0x7ec/0x4ec0 [ 286.552517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.557618] ? __lock_acquire+0x7ec/0x4ec0 [ 286.561850] ? should_fail+0x22d/0xd01 [ 286.565739] ? rcu_idle_enter+0x4b0/0x4b0 [ 286.569895] ? mark_held_locks+0x130/0x130 [ 286.574145] ? mark_held_locks+0x130/0x130 [ 286.578387] ? mark_held_locks+0xc7/0x130 [ 286.582539] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 286.587557] ? graph_lock+0x170/0x170 [ 286.591356] ? print_usage_bug+0xc0/0xc0 [ 286.595421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.600967] ? check_preemption_disabled+0x48/0x200 [ 286.605983] ? check_preemption_disabled+0x48/0x200 [ 286.611011] ? __lock_is_held+0xb5/0x140 [ 286.615080] __alloc_pages_nodemask+0xa80/0xde0 [ 286.619765] ? graph_lock+0x170/0x170 [ 286.623571] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.628588] ? graph_lock+0x170/0x170 [ 286.632402] ? find_held_lock+0x36/0x1c0 [ 286.636476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.641150] ? lock_downgrade+0x900/0x900 [ 286.645304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.650849] cache_grow_begin+0x91/0x8c0 [ 286.654914] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.659353] fallback_alloc+0x203/0x2e0 [ 286.663352] ____cache_alloc_node+0x1c7/0x1e0 [ 286.667854] kmem_cache_alloc_node+0xe3/0x730 [ 286.672353] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.676600] __alloc_skb+0x119/0x770 [ 286.680315] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.685597] ? skb_scrub_packet+0x490/0x490 [ 286.689928] ? lock_downgrade+0x900/0x900 [ 286.694099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.699637] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.705094] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.710544] ? addrconf_rs_timer+0x690/0x690 [ 286.714965] ndisc_alloc_skb+0x144/0x340 [ 286.719032] ndisc_send_rs+0x331/0x6e0 [ 286.722932] addrconf_rs_timer+0x314/0x690 [ 286.727178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.731425] call_timer_fn+0x272/0x920 [ 286.735319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.739559] ? process_timeout+0x40/0x40 [ 286.743618] ? find_held_lock+0x36/0x1c0 [ 286.747691] ? __run_timers+0x7da/0xc70 [ 286.751667] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.756162] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.760659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.764891] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.769482] ? trace_hardirqs_on+0xbd/0x310 [ 286.773799] ? kasan_check_read+0x11/0x20 [ 286.777950] ? __run_timers+0x7da/0xc70 [ 286.781933] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.787388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.791633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.795870] __run_timers+0x7e5/0xc70 [ 286.799695] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.805070] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.810087] ? graph_lock+0x170/0x170 [ 286.813891] ? enqueue_hrtimer+0x1a5/0x560 [ 286.818129] ? lock_release+0x970/0x970 [ 286.822109] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.827309] ? find_held_lock+0x36/0x1c0 [ 286.831388] ? graph_lock+0x170/0x170 [ 286.835188] ? pvclock_read_flags+0x160/0x160 [ 286.839681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.845227] ? check_preemption_disabled+0x48/0x200 [ 286.850261] ? __lock_is_held+0xb5/0x140 [ 286.854323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.859865] ? check_preemption_disabled+0x48/0x200 [ 286.864888] run_timer_softirq+0x52/0xb0 [ 286.868958] ? rcu_read_lock_sched_held+0x108/0x120 [ 286.873975] __do_softirq+0x30b/0xad8 [ 286.877785] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 286.882893] ? pvclock_read_flags+0x160/0x160 [ 286.887409] ? lapic_next_event+0x5a/0x90 [ 286.891590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.897135] ? check_preemption_disabled+0x48/0x200 [ 286.902152] ? check_preemption_disabled+0x48/0x200 [ 286.907173] ? kvm_clock_read+0x18/0x30 [ 286.911148] ? kvm_sched_clock_read+0x9/0x20 [ 286.915562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.921101] ? check_preemption_disabled+0x48/0x200 [ 286.926129] irq_exit+0x17f/0x1c0 [ 286.929586] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.934478] ? smp_reschedule_interrupt+0x109/0x650 [ 286.939494] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.945395] ? interrupt_entry+0xb5/0xf0 [ 286.949465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.954497] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.959556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.964398] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.969416] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.974448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.979985] ? check_preemption_disabled+0x48/0x200 [ 286.985011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.990554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.995442] apic_timer_interrupt+0xf/0x20 [ 286.999684] [ 287.001930] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.006862] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 287.025760] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.033468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.040734] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 287.048014] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 287.055282] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.062548] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.069855] skb_clone+0x1bb/0x500 [ 287.073397] ? finish_task_switch+0x1b5/0x900 [ 287.077896] ? skb_split+0x11e0/0x11e0 [ 287.081807] ? preempt_notifier_register+0x200/0x200 [ 287.086904] ? __switch_to_asm+0x34/0x70 [ 287.090974] ? __switch_to_asm+0x34/0x70 [ 287.095032] ? __switch_to_asm+0x40/0x70 [ 287.099097] ? __switch_to_asm+0x34/0x70 [ 287.103170] ? __switch_to_asm+0x40/0x70 [ 287.107246] ? __switch_to_asm+0x34/0x70 [ 287.111304] ? __switch_to_asm+0x40/0x70 [ 287.115363] ? __switch_to_asm+0x34/0x70 [ 287.119423] ? __switch_to_asm+0x34/0x70 [ 287.123490] ? __switch_to_asm+0x40/0x70 [ 287.127549] ? __switch_to_asm+0x34/0x70 [ 287.131622] bpf_clone_redirect+0xb9/0x490 [ 287.135860] ? __schedule+0x874/0x1ed0 [ 287.139766] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 287.144787] ? __sched_text_start+0x8/0x8 [ 287.148960] ? find_held_lock+0x36/0x1c0 [ 287.153029] ? lock_acquire+0x1ed/0x520 [ 287.157004] ? bpf_test_run+0x32e/0x5a0 [ 287.160984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.166523] ? check_preemption_disabled+0x48/0x200 [ 287.171541] ? kasan_check_read+0x11/0x20 [ 287.175710] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.180989] ? rcu_bh_qs+0xc0/0xc0 [ 287.184532] ? preempt_schedule+0x4d/0x60 [ 287.188680] ? ___preempt_schedule+0x16/0x18 [ 287.193094] ? bpf_test_run+0x1c0/0x5a0 [ 287.197080] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.201492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.207054] ? bpf_test_init.isra.9+0x70/0x100 [ 287.211673] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.216444] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.221286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.226821] ? fput+0x130/0x1a0 [ 287.230104] ? __bpf_prog_get+0x9b/0x290 [ 287.234168] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.239011] ? bpf_prog_test_run+0x130/0x1a0 [ 287.243424] ? __x64_sys_bpf+0x3d8/0x510 [ 287.247489] ? bpf_prog_get+0x20/0x20 [ 287.251310] ? do_syscall_64+0x1b9/0x820 [ 287.255369] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.260753] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.265692] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.270713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.275732] ? recalc_sigpending_tsk+0x180/0x180 [ 287.280488] ? kasan_check_write+0x14/0x20 [ 287.284732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.289587] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.294970] warn_alloc_show_mem: 1 callbacks suppressed [ 287.294982] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 287.294984] Mem-Info: [ 287.295015] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 287.295015] active_file:13 inactive_file:13 isolated_file:1 [ 287.295015] unevictable:0 dirty:0 writeback:0 unstable:0 [ 287.295015] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 287.295015] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 287.295015] free:13741 free_pcp:221 free_cma:0 [ 287.300354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.307456] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 287.309853] Call Trace: [ 287.342908] Node 0 [ 287.352267] [ 287.380140] 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 [ 287.382709] dump_stack+0x1c4/0x2b4 [ 287.384903] lowmem_reserve[]: 0 [ 287.387069] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.412543] 2819 6323 [ 287.416186] warn_alloc.cold.119+0xb7/0x1bd [ 287.419425] 6323 [ 287.424613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.431394] ? lock_downgrade+0x900/0x900 [ 287.433448] Node 0 [ 287.438382] ? trace_hardirqs_off+0xb8/0x310 [ 287.438394] ? trace_hardirqs_off+0xb8/0x310 [ 287.438407] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.438433] ? warn_alloc+0x120/0x120 [ 287.438447] ? trace_hardirqs_on+0x310/0x310 [ 287.438463] ? warn_alloc+0x120/0x120 [ 287.442634] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 287.444842] ? print_usage_bug+0xc0/0xc0 [ 287.449218] lowmem_reserve[]: 0 [ 287.453625] ? warn_alloc+0x120/0x120 [ 287.458448] 0 [ 287.462241] ? ktime_get+0x2e1/0x440 [ 287.466617] 3503 3503 [ 287.470419] ? print_usage_bug+0xc0/0xc0 [ 287.497463] Node 0 [ 287.501518] ? __lock_acquire+0x7ec/0x4ec0 [ 287.504800] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 287.508564] ? __lock_acquire+0x7ec/0x4ec0 [ 287.510342] lowmem_reserve[]: [ 287.514045] ? kasan_check_read+0x11/0x20 [ 287.516519] 0 [ 287.520574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.522778] 0 0 [ 287.527017] ? should_fail+0x22d/0xd01 [ 287.555441] 0 [ 287.559685] ? rcu_bh_qs+0xc0/0xc0 [ 287.562766] Node 0 [ 287.566911] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.568686] DMA: 1*4kB [ 287.574223] ? __lock_acquire+0x7ec/0x4ec0 [ 287.576172] (U) [ 287.580051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.581827] 0*8kB [ 287.585356] ? __lock_acquire+0x7ec/0x4ec0 [ 287.587567] 0*16kB [ 287.592659] ? should_fail+0x22d/0xd01 [ 287.595217] 1*32kB [ 287.599448] ? rcu_idle_enter+0x4b0/0x4b0 [ 287.601396] (U) [ 287.606495] ? mark_held_locks+0x130/0x130 [ 287.608615] 2*64kB [ 287.612844] ? mark_held_locks+0x130/0x130 [ 287.615058] (U) [ 287.618951] ? mark_held_locks+0xc7/0x130 [ 287.621164] 1*128kB [ 287.625309] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 287.627257] (U) [ 287.631482] ? graph_lock+0x170/0x170 [ 287.633693] 1*256kB [ 287.637932] ? print_usage_bug+0xc0/0xc0 [ 287.639875] (U) [ 287.644019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.646314] 0*512kB [ 287.651327] ? check_preemption_disabled+0x48/0x200 [ 287.653287] 1*1024kB [ 287.657084] ? check_preemption_disabled+0x48/0x200 [ 287.659380] (U) [ 287.663438] ? __lock_is_held+0xb5/0x140 [ 287.665391] 1*2048kB [ 287.670934] __alloc_pages_nodemask+0xa80/0xde0 [ 287.673226] (M) [ 287.678231] ? graph_lock+0x170/0x170 [ 287.680619] 3*4096kB [ 287.685643] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.687595] (M) [ 287.691660] ? graph_lock+0x170/0x170 [ 287.694044] = 15908kB [ 287.694053] Node 0 [ 287.698726] ? find_held_lock+0x36/0x1c0 [ 287.700671] DMA32: [ 287.704485] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.706868] 5*4kB [ 287.711877] ? lock_downgrade+0x900/0x900 [ 287.713826] (UM) [ 287.717623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.720009] 0*8kB [ 287.722242] cache_grow_begin+0x91/0x8c0 [ 287.726278] 3*16kB [ 287.728507] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.733146] (UM) [ 287.735292] fallback_alloc+0x203/0x2e0 [ 287.739408] 2*32kB (M) [ 287.741475] ____cache_alloc_node+0x1c7/0x1e0 [ 287.746984] 5*64kB [ 287.749128] kmem_cache_alloc_node+0xe3/0x730 [ 287.753160] (UM) [ 287.755392] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.759775] 3*128kB [ 287.761840] __alloc_skb+0x119/0x770 [ 287.765781] (M) [ 287.768359] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.772821] 3*256kB (M) [ 287.775064] ? skb_scrub_packet+0x490/0x490 [ 287.779532] 4*512kB [ 287.781588] ? lock_downgrade+0x900/0x900 [ 287.785799] (UM) [ 287.788124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.791810] 3*1024kB [ 287.793779] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.799024] (UM) [ 287.801687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.805986] 1*2048kB [ 287.808312] ? addrconf_rs_timer+0x690/0x690 [ 287.812433] (M) [ 287.814496] ndisc_alloc_skb+0x144/0x340 [ 287.819996] 4*4096kB [ 287.822405] ndisc_send_rs+0x331/0x6e0 [ 287.827831] (M) [ 287.829909] addrconf_rs_timer+0x314/0x690 [ 287.835341] = 25156kB [ 287.837746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.842126] Node 0 [ 287.844108] call_timer_fn+0x272/0x920 [ 287.848142] Normal: [ 287.850549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.854414] 1005*4kB [ 287.856410] ? process_timeout+0x40/0x40 [ 287.860614] (MEH) [ 287.863017] ? find_held_lock+0x36/0x1c0 [ 287.867227] 451*8kB [ 287.869458] ? mark_held_locks+0xc7/0x130 [ 287.873314] (ME) [ 287.875633] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.879844] 184*16kB [ 287.882247] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.886280] (UME) [ 287.888425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.892466] 94*32kB [ 287.894789] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.898901] (UME) 5*64kB [ 287.900987] ? trace_hardirqs_on+0xbd/0x310 [ 287.905455] (UM) [ 287.907862] ? kasan_check_read+0x11/0x20 [ 287.912332] 0*128kB [ 287.914477] ? __run_timers+0x7da/0xc70 [ 287.918687] 0*256kB [ 287.921015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.925572] 0*512kB [ 287.928326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.932621] 0*1024kB [ 287.934678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.938798] 0*2048kB [ 287.941117] __run_timers+0x7e5/0xc70 [ 287.945061] 0*4096kB = 13900kB [ 287.947397] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.952819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 287.955132] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.959344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 287.961743] ? graph_lock+0x170/0x170 [ 287.965954] 4241 total pagecache pages [ 287.968360] ? print_usage_bug+0xc0/0xc0 [ 287.972137] 0 pages in swap cache [ 287.975315] ? lock_release+0x970/0x970 [ 287.980654] Swap cache stats: add 0, delete 0, find 0/0 [ 287.980663] Free swap = 0kB [ 287.989493] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.994481] Total swap = 0kB [ 287.994489] 1965979 pages RAM [ 288.003058] ? find_held_lock+0x36/0x1c0 [ 288.006826] 0 pages HighMem/MovableOnly [ 288.006834] 342307 pages reserved [ 288.010718] ? graph_lock+0x170/0x170 [ 288.014760] 0 pages cma reserved [ 288.018211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.022234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.027538] ? check_preemption_disabled+0x48/0x200 [ 288.030667] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.035751] ? __lock_is_held+0xb5/0x140 [ 288.038743] syz-executor5 cpuset= [ 288.041843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.045880] syz5 [ 288.049852] ? check_preemption_disabled+0x48/0x200 [ 288.053286] mems_allowed=0 [ 288.057080] run_timer_softirq+0x52/0xb0 [ 288.114969] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.119993] __do_softirq+0x30b/0xad8 [ 288.123807] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.128926] ? pvclock_read_flags+0x160/0x160 [ 288.133428] ? lapic_next_event+0x5a/0x90 [ 288.137580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.143118] ? check_preemption_disabled+0x48/0x200 [ 288.148137] ? check_preemption_disabled+0x48/0x200 [ 288.153161] ? kvm_clock_read+0x18/0x30 [ 288.157139] ? kvm_sched_clock_read+0x9/0x20 [ 288.161585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.167137] ? check_preemption_disabled+0x48/0x200 [ 288.172167] irq_exit+0x17f/0x1c0 [ 288.175624] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.180468] ? smp_reschedule_interrupt+0x109/0x650 [ 288.185485] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.191367] ? interrupt_entry+0xb5/0xf0 [ 288.195431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.200446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.205466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.210307] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.215321] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.220336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.225877] ? check_preemption_disabled+0x48/0x200 [ 288.230890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.236459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.241312] apic_timer_interrupt+0xf/0x20 [ 288.245539] [ 288.247779] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 288.252810] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 288.271716] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 288.279440] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 288.286724] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 288.293996] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 288.301267] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 288.308534] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 288.315825] ? list_lru_count_one+0x36d/0x450 [ 288.320321] ? list_lru_count_one+0x260/0x450 [ 288.324832] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.330625] ? kasan_check_read+0x11/0x20 [ 288.334777] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.340053] ? rcu_bh_qs+0xc0/0xc0 [ 288.343606] list_lru_count_one+0x265/0x450 [ 288.347956] ? list_lru_add+0x980/0x980 [ 288.351953] ? deferred_split_count+0x65/0x170 [ 288.356539] ? shrink_huge_zero_page_count+0xc8/0x100 [ 288.361738] super_cache_count+0x153/0x2e0 [ 288.365978] do_shrink_slab+0x1a7/0xd20 [ 288.369964] ? lock_release+0x970/0x970 [ 288.373957] ? snapshot_refaults+0x290/0x290 [ 288.378377] ? ___might_sleep+0x1ed/0x300 [ 288.382547] ? down_read_trylock+0xff/0x1e0 [ 288.386862] ? shrink_slab+0x207/0x8c0 [ 288.390787] ? downgrade_write+0x2b0/0x2b0 [ 288.395033] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.400573] ? shrink_node_memcg+0xc82/0x18e0 [ 288.405121] shrink_slab+0x389/0x8c0 [ 288.408836] ? shrink_active_list+0x1c20/0x1c20 [ 288.413528] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 288.419157] ? kasan_check_read+0x11/0x20 [ 288.423314] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.427731] ? ___preempt_schedule+0x16/0x18 [ 288.432145] ? _raw_spin_unlock+0x3f/0x50 [ 288.436304] shrink_node+0x431/0x16b0 [ 288.440112] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 288.445413] ? shrink_node_memcg+0x18e0/0x18e0 [ 288.449994] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.454578] ? trace_hardirqs_on+0xbd/0x310 [ 288.458899] ? vmpressure+0x271/0x340 [ 288.462721] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 288.467315] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.472853] ? __cpuset_node_allowed+0x19b/0x660 [ 288.477613] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 288.483324] ? vmpressure+0x1a2/0x340 [ 288.487139] do_try_to_free_pages+0x3e7/0x1290 [ 288.491741] ? shrink_node+0x16b0/0x16b0 [ 288.495810] ? __lock_is_held+0xb5/0x140 [ 288.499890] try_to_free_pages+0x4d0/0xb90 [ 288.504142] ? do_try_to_free_pages+0x1290/0x1290 [ 288.508984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.514534] ? lock_acquire+0x1ed/0x520 [ 288.518522] ? set_page_refcounted+0x280/0x280 [ 288.523113] ? lock_release+0x970/0x970 [ 288.527095] ? ___might_sleep+0x1ed/0x300 [ 288.531243] ? arch_local_save_flags+0x40/0x40 [ 288.535837] __alloc_pages_slowpath+0x993/0x2d80 [ 288.540629] ? warn_alloc+0x120/0x120 [ 288.544430] ? __radix_tree_lookup+0x4c0/0x4c0 [ 288.549030] ? find_get_entry+0x2f2/0xc40 [ 288.553187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.558731] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 288.563658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.569200] ? should_fail+0x22d/0xd01 [ 288.573097] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.578201] ? __lock_is_held+0xb5/0x140 [ 288.582289] ? __lock_is_held+0xb5/0x140 [ 288.586359] ? __lock_acquire+0x7ec/0x4ec0 [ 288.590599] ? ___might_sleep+0x1ed/0x300 [ 288.594744] ? lock_release+0x970/0x970 [ 288.598721] ? arch_local_save_flags+0x40/0x40 [ 288.603315] ? __might_sleep+0x95/0x190 [ 288.607301] __alloc_pages_nodemask+0xa80/0xde0 [ 288.611981] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.617018] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.622814] ? kasan_check_read+0x11/0x20 [ 288.626962] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.632244] ? graph_lock+0x170/0x170 [ 288.636051] ? print_usage_bug+0xc0/0xc0 [ 288.640119] ? graph_lock+0x170/0x170 [ 288.643925] ? graph_lock+0x170/0x170 [ 288.647732] ? __do_page_cache_readahead+0x7ce/0x980 [ 288.652840] ? find_held_lock+0x36/0x1c0 [ 288.656941] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 288.662499] alloc_pages_current+0x10c/0x210 [ 288.666905] ? lock_downgrade+0x900/0x900 [ 288.671070] __page_cache_alloc+0x38f/0x5b0 [ 288.675395] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.681190] ? kasan_check_read+0x11/0x20 [ 288.685338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.690619] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 288.695291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.700830] ? check_preemption_disabled+0x48/0x200 [ 288.705854] filemap_fault+0x1594/0x25f0 [ 288.709941] ? __lock_page_or_retry+0xa00/0xa00 [ 288.714610] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.720401] ? kasan_check_read+0x11/0x20 [ 288.724551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.729824] ? ep_scan_ready_list+0xbeb/0x1050 [ 288.734406] ? rcu_bh_qs+0xc0/0xc0 [ 288.737958] ? lock_downgrade+0x900/0x900 [ 288.742118] ? graph_lock+0x170/0x170 [ 288.745949] ? filemap_map_pages+0xdea/0x1980 [ 288.750464] ? find_get_pages_range_tag+0x1320/0x1320 [ 288.755658] ? wait_for_completion+0x8a0/0x8a0 [ 288.760244] ? graph_lock+0x170/0x170 [ 288.764050] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.768663] ? kasan_check_read+0x11/0x20 [ 288.772825] ? ep_scan_ready_list+0xbc7/0x1050 [ 288.777411] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.782877] ? lock_acquire+0x1ed/0x520 [ 288.786852] ? ext4_filemap_fault+0x7a/0xad [ 288.791184] ? lock_release+0x970/0x970 [ 288.795163] ? arch_local_save_flags+0x40/0x40 [ 288.799753] ? ep_poll_callback+0x10e0/0x10e0 [ 288.804270] ? down_read+0xb0/0x1d0 [ 288.807904] ? ext4_filemap_fault+0x7a/0xad [ 288.812244] ? __down_interruptible+0x700/0x700 [ 288.816933] ? get_futex_key+0x21b0/0x21b0 [ 288.821188] ext4_filemap_fault+0x82/0xad [ 288.825338] __do_fault+0x100/0x6b0 [ 288.828968] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.833482] ? print_bad_pte+0x6c0/0x6c0 [ 288.837573] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.842164] ? trace_hardirqs_on+0xbd/0x310 [ 288.846490] ? kasan_check_read+0x11/0x20 [ 288.850653] ? pmd_val+0x88/0x100 [ 288.854116] ? add_mm_counter_fast+0xd0/0xd0 [ 288.858563] ? pmd_val+0x88/0x100 [ 288.862025] ? add_mm_counter_fast+0xd0/0xd0 [ 288.866447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.872005] __handle_mm_fault+0x3709/0x53e0 [ 288.876443] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 288.881301] ? graph_lock+0x170/0x170 [ 288.885117] ? print_usage_bug+0xc0/0xc0 [ 288.889217] ? rcu_bh_qs+0xc0/0xc0 [ 288.892770] ? graph_lock+0x170/0x170 [ 288.896580] ? graph_lock+0x170/0x170 [ 288.900446] ? handle_mm_fault+0x42a/0xc70 [ 288.904710] ? lock_downgrade+0x900/0x900 [ 288.908869] ? check_preemption_disabled+0x48/0x200 [ 288.913904] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.919718] ? kasan_check_read+0x11/0x20 [ 288.923871] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.929152] ? rcu_bh_qs+0xc0/0xc0 [ 288.932694] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.938149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.943691] ? check_preemption_disabled+0x48/0x200 [ 288.948717] handle_mm_fault+0x54f/0xc70 [ 288.952786] ? __handle_mm_fault+0x53e0/0x53e0 [ 288.957373] ? find_vma+0x34/0x190 [ 288.960936] __do_page_fault+0x67d/0xed0 [ 288.965015] ? mm_fault_error+0x380/0x380 [ 288.969168] ? trace_hardirqs_off+0xb8/0x310 [ 288.973579] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.978960] ? trace_hardirqs_on+0x310/0x310 [ 288.983386] do_page_fault+0xf2/0x7e0 [ 288.987190] ? vmalloc_sync_all+0x30/0x30 [ 288.991344] ? error_entry+0x70/0xd0 [ 288.995061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.000079] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.005010] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.009952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.014814] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.019829] ? trace_hardirqs_off+0x310/0x310 [ 289.024335] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.029355] ? page_fault+0x8/0x30 [ 289.032899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.037764] ? page_fault+0x8/0x30 [ 289.041311] page_fault+0x1e/0x30 [ 289.044762] RIP: 0033:0x45df89 [ 289.047970] Code: Bad RIP value. [ 289.051333] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 289.056701] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 289.063970] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 289.071236] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 289.078502] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 289.085771] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 289.093090] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 289.093156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.100284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.100293] Call Trace: [ 289.106901] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.116123] [ 289.118692] syz-fuzzer cpuset= [ 289.128913] dump_stack+0x1c4/0x2b4 [ 289.131048] / [ 289.134236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.137839] mems_allowed=0 [ 289.139555] warn_alloc.cold.119+0xb7/0x1bd [ 289.151949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.156802] ? lock_downgrade+0x900/0x900 [ 289.160971] ? trace_hardirqs_off+0xb8/0x310 [ 289.165393] ? trace_hardirqs_off+0xb8/0x310 [ 289.169830] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.174730] ? warn_alloc+0x120/0x120 [ 289.178542] ? trace_hardirqs_on+0x310/0x310 [ 289.182963] ? warn_alloc+0x120/0x120 [ 289.186773] ? print_usage_bug+0xc0/0xc0 [ 289.190839] ? warn_alloc+0x120/0x120 [ 289.194658] ? ktime_get+0x2e1/0x440 [ 289.198381] ? print_usage_bug+0xc0/0xc0 [ 289.202454] ? __lock_acquire+0x7ec/0x4ec0 [ 289.206693] ? __lock_acquire+0x7ec/0x4ec0 [ 289.210935] ? kasan_check_read+0x11/0x20 [ 289.215100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.220642] ? should_fail+0x22d/0xd01 [ 289.224534] ? rcu_bh_qs+0xc0/0xc0 [ 289.228080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.233194] ? __lock_acquire+0x7ec/0x4ec0 [ 289.237449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.242561] ? __lock_acquire+0x7ec/0x4ec0 [ 289.246805] ? should_fail+0x22d/0xd01 [ 289.250719] ? rcu_idle_enter+0x4b0/0x4b0 [ 289.254882] ? mark_held_locks+0x130/0x130 [ 289.259130] ? mark_held_locks+0x130/0x130 [ 289.263369] ? mark_held_locks+0xc7/0x130 [ 289.267519] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 289.272533] ? graph_lock+0x170/0x170 [ 289.276333] ? print_usage_bug+0xc0/0xc0 [ 289.280400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.285949] ? check_preemption_disabled+0x48/0x200 [ 289.290970] ? check_preemption_disabled+0x48/0x200 [ 289.296005] ? __lock_is_held+0xb5/0x140 [ 289.300080] __alloc_pages_nodemask+0xa80/0xde0 [ 289.304751] ? graph_lock+0x170/0x170 [ 289.308792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.313808] ? graph_lock+0x170/0x170 [ 289.317629] ? find_held_lock+0x36/0x1c0 [ 289.321700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.326371] ? lock_downgrade+0x900/0x900 [ 289.330532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.336080] cache_grow_begin+0x91/0x8c0 [ 289.340143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.344561] fallback_alloc+0x203/0x2e0 [ 289.348545] ____cache_alloc_node+0x1c7/0x1e0 [ 289.353049] kmem_cache_alloc_node+0xe3/0x730 [ 289.357551] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.361796] __alloc_skb+0x119/0x770 [ 289.365530] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.370818] ? skb_scrub_packet+0x490/0x490 [ 289.375144] ? lock_downgrade+0x900/0x900 [ 289.379307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.384849] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.390361] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.395821] ? addrconf_rs_timer+0x690/0x690 [ 289.400251] ndisc_alloc_skb+0x144/0x340 [ 289.404328] ndisc_send_rs+0x331/0x6e0 [ 289.408227] addrconf_rs_timer+0x314/0x690 [ 289.412478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.416764] call_timer_fn+0x272/0x920 [ 289.420657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.424901] ? process_timeout+0x40/0x40 [ 289.428973] ? find_held_lock+0x36/0x1c0 [ 289.433049] ? __run_timers+0x7da/0xc70 [ 289.437032] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.442059] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.446557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.450799] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.455437] ? trace_hardirqs_on+0xbd/0x310 [ 289.459771] ? kasan_check_read+0x11/0x20 [ 289.463937] ? __run_timers+0x7da/0xc70 [ 289.467928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.473391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.477637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.481877] __run_timers+0x7e5/0xc70 [ 289.485695] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.491067] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.496094] ? graph_lock+0x170/0x170 [ 289.499928] ? enqueue_hrtimer+0x1a5/0x560 [ 289.504171] ? lock_release+0x970/0x970 [ 289.508149] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.513345] ? find_held_lock+0x36/0x1c0 [ 289.517414] ? graph_lock+0x170/0x170 [ 289.521224] ? pvclock_read_flags+0x160/0x160 [ 289.525721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.531273] ? check_preemption_disabled+0x48/0x200 [ 289.536304] ? __lock_is_held+0xb5/0x140 [ 289.540367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.545930] ? check_preemption_disabled+0x48/0x200 [ 289.550969] run_timer_softirq+0x52/0xb0 [ 289.555061] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.560079] __do_softirq+0x30b/0xad8 [ 289.563894] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.569011] ? pvclock_read_flags+0x160/0x160 [ 289.573506] ? lapic_next_event+0x5a/0x90 [ 289.577660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.583214] ? check_preemption_disabled+0x48/0x200 [ 289.588235] ? check_preemption_disabled+0x48/0x200 [ 289.593261] ? kvm_clock_read+0x18/0x30 [ 289.597245] ? kvm_sched_clock_read+0x9/0x20 [ 289.601657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.607199] ? check_preemption_disabled+0x48/0x200 [ 289.612231] irq_exit+0x17f/0x1c0 [ 289.615690] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.620548] ? smp_reschedule_interrupt+0x109/0x650 [ 289.625571] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.631457] ? interrupt_entry+0xb5/0xf0 [ 289.635521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.640540] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.645567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.650415] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.655443] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.660468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.666019] ? check_preemption_disabled+0x48/0x200 [ 289.671038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.676596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.681547] apic_timer_interrupt+0xf/0x20 [ 289.685779] [ 289.688026] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.692974] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 289.711891] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.719624] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.726900] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 289.734189] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 289.741464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.748745] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.756076] skb_clone+0x1bb/0x500 [ 289.759622] ? finish_task_switch+0x1b5/0x900 [ 289.764119] ? skb_split+0x11e0/0x11e0 [ 289.768014] ? preempt_notifier_register+0x200/0x200 [ 289.773117] ? __switch_to_asm+0x34/0x70 [ 289.777179] ? __switch_to_asm+0x34/0x70 [ 289.781239] ? __switch_to_asm+0x40/0x70 [ 289.785300] ? __switch_to_asm+0x34/0x70 [ 289.789361] ? __switch_to_asm+0x40/0x70 [ 289.793419] ? __switch_to_asm+0x34/0x70 [ 289.797482] ? __switch_to_asm+0x40/0x70 [ 289.801567] ? __switch_to_asm+0x34/0x70 [ 289.805627] ? __switch_to_asm+0x34/0x70 [ 289.809687] ? __switch_to_asm+0x40/0x70 [ 289.813748] ? __switch_to_asm+0x34/0x70 [ 289.817873] bpf_clone_redirect+0xb9/0x490 [ 289.822115] ? __schedule+0x874/0x1ed0 [ 289.826009] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 289.831027] ? __sched_text_start+0x8/0x8 [ 289.835194] ? find_held_lock+0x36/0x1c0 [ 289.839265] ? lock_acquire+0x1ed/0x520 [ 289.843238] ? bpf_test_run+0x32e/0x5a0 [ 289.847213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.852751] ? check_preemption_disabled+0x48/0x200 [ 289.857775] ? kasan_check_read+0x11/0x20 [ 289.861930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.867208] ? rcu_bh_qs+0xc0/0xc0 [ 289.870752] ? preempt_schedule+0x4d/0x60 [ 289.874940] ? ___preempt_schedule+0x16/0x18 [ 289.879360] ? bpf_test_run+0x1c0/0x5a0 [ 289.883344] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.887758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.893293] ? bpf_test_init.isra.9+0x70/0x100 [ 289.897881] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.902646] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.907492] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.913030] ? fput+0x130/0x1a0 [ 289.916315] ? __bpf_prog_get+0x9b/0x290 [ 289.920382] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.925223] ? bpf_prog_test_run+0x130/0x1a0 [ 289.929636] ? __x64_sys_bpf+0x3d8/0x510 [ 289.933700] ? bpf_prog_get+0x20/0x20 [ 289.937522] ? do_syscall_64+0x1b9/0x820 [ 289.941583] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.946952] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.951889] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.956913] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.961950] ? recalc_sigpending_tsk+0x180/0x180 [ 289.966704] ? kasan_check_write+0x14/0x20 [ 289.970951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.975801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.981188] warn_alloc_show_mem: 1 callbacks suppressed [ 289.981200] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 289.981202] Mem-Info: [ 289.981232] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 289.981232] active_file:13 inactive_file:13 isolated_file:1 [ 289.981232] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.981232] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 289.981232] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 289.981232] free:13741 free_pcp:221 free_cma:0 [ 289.986570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.993498] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 289.995895] Call Trace: [ 290.028942] Node 0 [ 290.038281] [ 290.066133] 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 [ 290.068690] dump_stack+0x1c4/0x2b4 [ 290.070896] lowmem_reserve[]: [ 290.073050] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.098525] 0 [ 290.102157] warn_alloc.cold.119+0xb7/0x1bd [ 290.105233] 2819 [ 290.110416] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.112194] 6323 [ 290.116508] ? lock_downgrade+0x900/0x900 [ 290.118541] 6323 [ 290.123387] ? trace_hardirqs_off+0xb8/0x310 [ 290.125422] Node 0 [ 290.129567] ? trace_hardirqs_off+0xb8/0x310 [ 290.131629] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 290.136014] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.138219] lowmem_reserve[]: [ 290.142644] ? warn_alloc+0x120/0x120 [ 290.169664] 0 [ 290.174498] ? trace_hardirqs_on+0x310/0x310 [ 290.177581] 0 [ 290.181374] ? warn_alloc+0x120/0x120 [ 290.183150] 3503 [ 290.187552] ? print_usage_bug+0xc0/0xc0 [ 290.189336] 3503 [ 290.193140] ? warn_alloc+0x120/0x120 [ 290.199235] ? ktime_get+0x2e1/0x440 [ 290.201272] Node 0 [ 290.205063] ? print_usage_bug+0xc0/0xc0 [ 290.208778] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 290.210997] ? __lock_acquire+0x7ec/0x4ec0 [ 290.215027] lowmem_reserve[]: 0 [ 290.243487] ? __lock_acquire+0x7ec/0x4ec0 [ 290.247697] 0 [ 290.250970] ? kasan_check_read+0x11/0x20 [ 290.255182] 0 [ 290.256985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.261103] 0 [ 290.262898] ? should_fail+0x22d/0xd01 [ 290.268407] Node 0 [ 290.270202] ? rcu_bh_qs+0xc0/0xc0 [ 290.274062] DMA: [ 290.276297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.279814] 1*4kB [ 290.281873] ? __lock_acquire+0x7ec/0x4ec0 [ 290.286948] (U) [ 290.289094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.293302] 0*8kB [ 290.295274] ? __lock_acquire+0x7ec/0x4ec0 [ 290.300351] 0*16kB [ 290.302492] ? should_fail+0x22d/0xd01 [ 290.306698] 1*32kB (U) [ 290.308946] ? rcu_idle_enter+0x4b0/0x4b0 [ 290.312804] 2*64kB [ 290.315412] ? mark_held_locks+0x130/0x130 [ 290.319531] (U) [ 290.321765] ? mark_held_locks+0x130/0x130 [ 290.325973] 1*128kB [ 290.327954] ? mark_held_locks+0xc7/0x130 [ 290.332165] (U) [ 290.334483] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 290.338621] 1*256kB [ 290.340589] ? graph_lock+0x170/0x170 [ 290.345577] (U) [ 290.347897] ? print_usage_bug+0xc0/0xc0 [ 290.351674] 0*512kB [ 290.353645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.357675] 1*1024kB [ 290.359998] ? check_preemption_disabled+0x48/0x200 [ 290.365504] (U) [ 290.367910] ? check_preemption_disabled+0x48/0x200 [ 290.372904] 1*2048kB [ 290.374889] ? __lock_is_held+0xb5/0x140 [ 290.379871] (M) [ 290.382281] __alloc_pages_nodemask+0xa80/0xde0 [ 290.386309] 3*4096kB (M) [ 290.388288] ? graph_lock+0x170/0x170 [ 290.392940] = 15908kB [ 290.395695] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.399468] Node 0 [ 290.401863] ? graph_lock+0x170/0x170 [ 290.401888] ? find_held_lock+0x36/0x1c0 [ 290.406874] DMA32: [ 290.409108] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.412879] 5*4kB [ 290.416943] ? lock_downgrade+0x900/0x900 [ 290.419156] (UM) [ 290.423819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.425944] 0*8kB [ 290.430087] cache_grow_begin+0x91/0x8c0 [ 290.432123] 3*16kB [ 290.437649] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.439776] (UM) [ 290.443833] fallback_alloc+0x203/0x2e0 [ 290.446041] 2*32kB [ 290.450441] ____cache_alloc_node+0x1c7/0x1e0 [ 290.452486] (M) [ 290.456453] kmem_cache_alloc_node+0xe3/0x730 [ 290.458666] 5*64kB [ 290.463154] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.465105] (UM) [ 290.469597] __alloc_skb+0x119/0x770 [ 290.471807] 3*128kB [ 290.476034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.478072] (M) [ 290.481778] ? skb_scrub_packet+0x490/0x490 [ 290.484078] 3*256kB [ 290.489345] ? lock_downgrade+0x900/0x900 [ 290.491291] (M) 4*512kB [ 290.495620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.497913] (UM) [ 290.502065] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.504703] 3*1024kB (UM) [ 290.510239] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.512276] 1*2048kB [ 290.517717] ? addrconf_rs_timer+0x690/0x690 [ 290.520539] (M) [ 290.525991] ndisc_alloc_skb+0x144/0x340 [ 290.528368] 4*4096kB [ 290.532769] ndisc_send_rs+0x331/0x6e0 [ 290.534720] (M) [ 290.538780] addrconf_rs_timer+0x314/0x690 [ 290.541163] = 25156kB [ 290.545047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.546996] Node 0 [ 290.551234] call_timer_fn+0x272/0x920 [ 290.553614] Normal: [ 290.557848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.560063] 1005*4kB [ 290.563956] ? process_timeout+0x40/0x40 [ 290.566256] (MEH) [ 290.570483] ? find_held_lock+0x36/0x1c0 [ 290.572868] 451*8kB [ 290.576943] ? mark_held_locks+0xc7/0x130 [ 290.579062] (ME) [ 290.583119] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.585416] 184*16kB (UME) [ 290.589562] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.591596] 94*32kB (UME) [ 290.596093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.599015] 5*64kB [ 290.603502] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.606325] (UM) [ 290.610551] ? trace_hardirqs_on+0xbd/0x310 [ 290.612763] 0*128kB [ 290.617335] ? kasan_check_read+0x11/0x20 [ 290.619384] 0*256kB [ 290.623697] ? __run_timers+0x7da/0xc70 [ 290.625995] 0*512kB [ 290.630138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.632437] 0*1024kB [ 290.636402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.638703] 0*2048kB [ 290.644147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.646534] 0*4096kB [ 290.650758] __run_timers+0x7e5/0xc70 [ 290.653146] = 13900kB [ 290.657381] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.659766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.663561] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.665955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.671307] ? graph_lock+0x170/0x170 [ 290.680116] 4241 total pagecache pages [ 290.685133] ? print_usage_bug+0xc0/0xc0 [ 290.693690] 0 pages in swap cache [ 290.697476] ? lock_release+0x970/0x970 [ 290.701334] Swap cache stats: add 0, delete 0, find 0/0 [ 290.701343] Free swap = 0kB [ 290.705396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.708824] Total swap = 0kB [ 290.708832] 1965979 pages RAM [ 290.712801] ? find_held_lock+0x36/0x1c0 [ 290.718131] 0 pages HighMem/MovableOnly [ 290.718139] 342307 pages reserved [ 290.721150] ? graph_lock+0x170/0x170 [ 290.726315] 0 pages cma reserved [ 290.729325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.732476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.736462] ? check_preemption_disabled+0x48/0x200 [ 290.740504] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.743867] ? __lock_is_held+0xb5/0x140 [ 290.747635] syz-executor5 cpuset= [ 290.750996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.756509] syz5 [ 290.762992] ? check_preemption_disabled+0x48/0x200 [ 290.767982] mems_allowed=0 [ 290.778460] run_timer_softirq+0x52/0xb0 [ 290.805387] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.810407] __do_softirq+0x30b/0xad8 [ 290.814223] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.819334] ? pvclock_read_flags+0x160/0x160 [ 290.823829] ? lapic_next_event+0x5a/0x90 [ 290.827978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.833521] ? check_preemption_disabled+0x48/0x200 [ 290.838539] ? check_preemption_disabled+0x48/0x200 [ 290.843563] ? kvm_clock_read+0x18/0x30 [ 290.847535] ? kvm_sched_clock_read+0x9/0x20 [ 290.851957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.857495] ? check_preemption_disabled+0x48/0x200 [ 290.862522] irq_exit+0x17f/0x1c0 [ 290.865978] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.870819] ? smp_reschedule_interrupt+0x109/0x650 [ 290.875836] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.881720] ? interrupt_entry+0xb5/0xf0 [ 290.885787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.890801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.895820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.900663] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.905691] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.910717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.916263] ? check_preemption_disabled+0x48/0x200 [ 290.921282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.926830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.931699] apic_timer_interrupt+0xf/0x20 [ 290.935939] [ 290.938183] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 290.943197] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 290.962097] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 290.969804] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 290.977073] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 290.984342] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 290.991612] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 290.998877] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 291.006163] ? list_lru_count_one+0x36d/0x450 [ 291.010656] ? list_lru_count_one+0x260/0x450 [ 291.015163] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.020959] ? kasan_check_read+0x11/0x20 [ 291.025110] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.030386] ? rcu_bh_qs+0xc0/0xc0 [ 291.033951] list_lru_count_one+0x265/0x450 [ 291.038274] ? list_lru_add+0x980/0x980 [ 291.042250] ? deferred_split_count+0x65/0x170 [ 291.046834] ? shrink_huge_zero_page_count+0xc8/0x100 [ 291.052032] super_cache_count+0x153/0x2e0 [ 291.056275] do_shrink_slab+0x1a7/0xd20 [ 291.060255] ? lock_release+0x970/0x970 [ 291.064253] ? snapshot_refaults+0x290/0x290 [ 291.068668] ? ___might_sleep+0x1ed/0x300 [ 291.072821] ? down_read_trylock+0xff/0x1e0 [ 291.077140] ? shrink_slab+0x207/0x8c0 [ 291.081032] ? downgrade_write+0x2b0/0x2b0 [ 291.085271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.090806] ? shrink_node_memcg+0xc82/0x18e0 [ 291.095316] shrink_slab+0x389/0x8c0 [ 291.099032] ? shrink_active_list+0x1c20/0x1c20 [ 291.103712] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 291.109336] ? kasan_check_read+0x11/0x20 [ 291.113486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.117902] ? ___preempt_schedule+0x16/0x18 [ 291.122326] ? _raw_spin_unlock+0x3f/0x50 [ 291.126486] shrink_node+0x431/0x16b0 [ 291.130291] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 291.135595] ? shrink_node_memcg+0x18e0/0x18e0 [ 291.140175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.144761] ? trace_hardirqs_on+0xbd/0x310 [ 291.149081] ? vmpressure+0x271/0x340 [ 291.152894] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 291.157491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.163029] ? __cpuset_node_allowed+0x19b/0x660 [ 291.167785] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 291.173494] ? vmpressure+0x1a2/0x340 [ 291.177303] do_try_to_free_pages+0x3e7/0x1290 [ 291.181901] ? shrink_node+0x16b0/0x16b0 [ 291.185972] ? __lock_is_held+0xb5/0x140 [ 291.190049] try_to_free_pages+0x4d0/0xb90 [ 291.194292] ? do_try_to_free_pages+0x1290/0x1290 [ 291.199135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.204730] ? lock_acquire+0x1ed/0x520 [ 291.208705] ? set_page_refcounted+0x280/0x280 [ 291.213293] ? lock_release+0x970/0x970 [ 291.217271] ? ___might_sleep+0x1ed/0x300 [ 291.221425] ? arch_local_save_flags+0x40/0x40 [ 291.226020] __alloc_pages_slowpath+0x993/0x2d80 [ 291.230809] ? warn_alloc+0x120/0x120 [ 291.234611] ? __radix_tree_lookup+0x4c0/0x4c0 [ 291.239207] ? find_get_entry+0x2f2/0xc40 [ 291.243367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.248909] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 291.253853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.259389] ? should_fail+0x22d/0xd01 [ 291.263283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.268384] ? __lock_is_held+0xb5/0x140 [ 291.272475] ? __lock_is_held+0xb5/0x140 [ 291.276578] ? __lock_acquire+0x7ec/0x4ec0 [ 291.280816] ? ___might_sleep+0x1ed/0x300 [ 291.284963] ? lock_release+0x970/0x970 [ 291.288948] ? arch_local_save_flags+0x40/0x40 [ 291.293575] ? __might_sleep+0x95/0x190 [ 291.297553] __alloc_pages_nodemask+0xa80/0xde0 [ 291.302228] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.307690] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.313484] ? kasan_check_read+0x11/0x20 [ 291.317632] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.322910] ? graph_lock+0x170/0x170 [ 291.326727] ? print_usage_bug+0xc0/0xc0 [ 291.330790] ? graph_lock+0x170/0x170 [ 291.334587] ? graph_lock+0x170/0x170 [ 291.338420] ? __do_page_cache_readahead+0x7ce/0x980 [ 291.343524] ? find_held_lock+0x36/0x1c0 [ 291.347589] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.353133] alloc_pages_current+0x10c/0x210 [ 291.357538] ? lock_downgrade+0x900/0x900 [ 291.361693] __page_cache_alloc+0x38f/0x5b0 [ 291.366014] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.371830] ? kasan_check_read+0x11/0x20 [ 291.375978] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.381261] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 291.385946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.391573] ? check_preemption_disabled+0x48/0x200 [ 291.396603] filemap_fault+0x1594/0x25f0 [ 291.400681] ? __lock_page_or_retry+0xa00/0xa00 [ 291.405352] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.411144] ? kasan_check_read+0x11/0x20 [ 291.415802] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.421085] ? ep_scan_ready_list+0xbeb/0x1050 [ 291.425720] ? rcu_bh_qs+0xc0/0xc0 [ 291.429257] ? lock_downgrade+0x900/0x900 [ 291.433411] ? graph_lock+0x170/0x170 [ 291.437218] ? filemap_map_pages+0xdea/0x1980 [ 291.441738] ? find_get_pages_range_tag+0x1320/0x1320 [ 291.446944] ? wait_for_completion+0x8a0/0x8a0 [ 291.451544] ? graph_lock+0x170/0x170 [ 291.455360] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.459949] ? kasan_check_read+0x11/0x20 [ 291.464096] ? ep_scan_ready_list+0xbc7/0x1050 [ 291.468681] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.474143] ? lock_acquire+0x1ed/0x520 [ 291.478121] ? ext4_filemap_fault+0x7a/0xad [ 291.482452] ? lock_release+0x970/0x970 [ 291.486454] ? arch_local_save_flags+0x40/0x40 [ 291.491040] ? ep_poll_callback+0x10e0/0x10e0 [ 291.495548] ? down_read+0xb0/0x1d0 [ 291.499172] ? ext4_filemap_fault+0x7a/0xad [ 291.503498] ? __down_interruptible+0x700/0x700 [ 291.508170] ? get_futex_key+0x21b0/0x21b0 [ 291.512425] ext4_filemap_fault+0x82/0xad [ 291.516575] __do_fault+0x100/0x6b0 [ 291.520234] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.524760] ? print_bad_pte+0x6c0/0x6c0 [ 291.528823] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.533407] ? trace_hardirqs_on+0xbd/0x310 [ 291.537726] ? kasan_check_read+0x11/0x20 [ 291.541875] ? pmd_val+0x88/0x100 [ 291.545333] ? add_mm_counter_fast+0xd0/0xd0 [ 291.549740] ? pmd_val+0x88/0x100 [ 291.553195] ? add_mm_counter_fast+0xd0/0xd0 [ 291.557613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.563160] __handle_mm_fault+0x3709/0x53e0 [ 291.567580] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 291.572422] ? graph_lock+0x170/0x170 [ 291.576224] ? print_usage_bug+0xc0/0xc0 [ 291.580285] ? rcu_bh_qs+0xc0/0xc0 [ 291.583829] ? graph_lock+0x170/0x170 [ 291.587626] ? graph_lock+0x170/0x170 [ 291.591447] ? handle_mm_fault+0x42a/0xc70 [ 291.595685] ? lock_downgrade+0x900/0x900 [ 291.599838] ? check_preemption_disabled+0x48/0x200 [ 291.604860] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.610654] ? kasan_check_read+0x11/0x20 [ 291.614801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.620081] ? rcu_bh_qs+0xc0/0xc0 [ 291.623620] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.629073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.634614] ? check_preemption_disabled+0x48/0x200 [ 291.639637] handle_mm_fault+0x54f/0xc70 [ 291.643702] ? __handle_mm_fault+0x53e0/0x53e0 [ 291.648289] ? find_vma+0x34/0x190 [ 291.651835] __do_page_fault+0x67d/0xed0 [ 291.655905] ? mm_fault_error+0x380/0x380 [ 291.660065] ? trace_hardirqs_off+0xb8/0x310 [ 291.664476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.669842] ? trace_hardirqs_on+0x310/0x310 [ 291.674257] do_page_fault+0xf2/0x7e0 [ 291.678057] ? vmalloc_sync_all+0x30/0x30 [ 291.682206] ? error_entry+0x70/0xd0 [ 291.685934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.690960] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.695895] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.700835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.705676] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.710689] ? trace_hardirqs_off+0x310/0x310 [ 291.715191] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.720209] ? page_fault+0x8/0x30 [ 291.723754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.728600] ? page_fault+0x8/0x30 [ 291.732139] page_fault+0x1e/0x30 [ 291.735590] RIP: 0033:0x45df89 [ 291.738789] Code: Bad RIP value. [ 291.742148] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 291.747513] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 291.754782] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 291.762046] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 291.769310] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 291.776575] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 291.783869] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 291.783951] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.791056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.791061] Call Trace: [ 291.791068] [ 291.791086] dump_stack+0x1c4/0x2b4 [ 291.791105] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.797665] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.806943] warn_alloc.cold.119+0xb7/0x1bd [ 291.809503] syz-fuzzer cpuset= [ 291.811646] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.815245] / [ 291.820435] ? lock_downgrade+0x900/0x900 [ 291.830633] mems_allowed=0 [ 291.834959] ? trace_hardirqs_off+0xb8/0x310 [ 291.856095] ? trace_hardirqs_off+0xb8/0x310 [ 291.860516] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.865394] ? warn_alloc+0x120/0x120 [ 291.869193] ? trace_hardirqs_on+0x310/0x310 [ 291.873604] ? warn_alloc+0x120/0x120 [ 291.877407] ? print_usage_bug+0xc0/0xc0 [ 291.881477] ? warn_alloc+0x120/0x120 [ 291.885274] ? ktime_get+0x2e1/0x440 [ 291.888986] ? print_usage_bug+0xc0/0xc0 [ 291.893056] ? __lock_acquire+0x7ec/0x4ec0 [ 291.897288] ? __lock_acquire+0x7ec/0x4ec0 [ 291.901520] ? kasan_check_read+0x11/0x20 [ 291.905671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.911212] ? should_fail+0x22d/0xd01 [ 291.915099] ? rcu_bh_qs+0xc0/0xc0 [ 291.918643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.923750] ? __lock_acquire+0x7ec/0x4ec0 [ 291.927988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.933089] ? __lock_acquire+0x7ec/0x4ec0 [ 291.937321] ? should_fail+0x22d/0xd01 [ 291.941207] ? rcu_idle_enter+0x4b0/0x4b0 [ 291.945365] ? mark_held_locks+0x130/0x130 [ 291.949606] ? mark_held_locks+0x130/0x130 [ 291.953848] ? mark_held_locks+0xc7/0x130 [ 291.957995] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 291.963012] ? graph_lock+0x170/0x170 [ 291.966901] ? print_usage_bug+0xc0/0xc0 [ 291.970985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.976524] ? check_preemption_disabled+0x48/0x200 [ 291.981541] ? check_preemption_disabled+0x48/0x200 [ 291.986566] ? __lock_is_held+0xb5/0x140 [ 291.990637] __alloc_pages_nodemask+0xa80/0xde0 [ 291.995306] ? graph_lock+0x170/0x170 [ 291.999119] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.004130] ? graph_lock+0x170/0x170 [ 292.007950] ? find_held_lock+0x36/0x1c0 [ 292.012034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.016705] ? lock_downgrade+0x900/0x900 [ 292.020859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.026403] cache_grow_begin+0x91/0x8c0 [ 292.030467] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.034884] fallback_alloc+0x203/0x2e0 [ 292.038864] ____cache_alloc_node+0x1c7/0x1e0 [ 292.043364] kmem_cache_alloc_node+0xe3/0x730 [ 292.047859] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.052105] __alloc_skb+0x119/0x770 [ 292.055820] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.061101] ? skb_scrub_packet+0x490/0x490 [ 292.065422] ? lock_downgrade+0x900/0x900 [ 292.069581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.075121] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.080575] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.086030] ? addrconf_rs_timer+0x690/0x690 [ 292.090457] ndisc_alloc_skb+0x144/0x340 [ 292.094529] ndisc_send_rs+0x331/0x6e0 [ 292.098426] addrconf_rs_timer+0x314/0x690 [ 292.102673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.106932] call_timer_fn+0x272/0x920 [ 292.110826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.115063] ? process_timeout+0x40/0x40 [ 292.119135] ? find_held_lock+0x36/0x1c0 [ 292.123205] ? __run_timers+0x7da/0xc70 [ 292.127182] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.131675] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.136167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.140404] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.144997] ? trace_hardirqs_on+0xbd/0x310 [ 292.149317] ? kasan_check_read+0x11/0x20 [ 292.153466] ? __run_timers+0x7da/0xc70 [ 292.157446] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.162901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.167152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.171387] __run_timers+0x7e5/0xc70 [ 292.175199] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.180563] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.185584] ? graph_lock+0x170/0x170 [ 292.189387] ? enqueue_hrtimer+0x1a5/0x560 [ 292.193617] ? lock_release+0x970/0x970 [ 292.197593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.202792] ? find_held_lock+0x36/0x1c0 [ 292.206862] ? graph_lock+0x170/0x170 [ 292.210662] ? pvclock_read_flags+0x160/0x160 [ 292.215161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.220702] ? check_preemption_disabled+0x48/0x200 [ 292.225729] ? __lock_is_held+0xb5/0x140 [ 292.229790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.235330] ? check_preemption_disabled+0x48/0x200 [ 292.240369] run_timer_softirq+0x52/0xb0 [ 292.244433] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.249458] __do_softirq+0x30b/0xad8 [ 292.253273] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.258402] ? pvclock_read_flags+0x160/0x160 [ 292.262902] ? lapic_next_event+0x5a/0x90 [ 292.267059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.272601] ? check_preemption_disabled+0x48/0x200 [ 292.277619] ? check_preemption_disabled+0x48/0x200 [ 292.282645] ? kvm_clock_read+0x18/0x30 [ 292.286618] ? kvm_sched_clock_read+0x9/0x20 [ 292.291027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.296568] ? check_preemption_disabled+0x48/0x200 [ 292.301601] irq_exit+0x17f/0x1c0 [ 292.305058] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.309903] ? smp_reschedule_interrupt+0x109/0x650 [ 292.314937] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.320823] ? interrupt_entry+0xb5/0xf0 [ 292.324885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.329911] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.334948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.339792] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.344805] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.349820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.355357] ? check_preemption_disabled+0x48/0x200 [ 292.360376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.365926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.370777] apic_timer_interrupt+0xf/0x20 [ 292.375006] [ 292.377244] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 292.382172] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 292.401085] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.408805] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.416103] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 292.423384] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 292.430659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 292.437960] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 292.445301] skb_clone+0x1bb/0x500 [ 292.448849] ? finish_task_switch+0x1b5/0x900 [ 292.453351] ? skb_split+0x11e0/0x11e0 [ 292.457244] ? preempt_notifier_register+0x200/0x200 [ 292.462348] ? __switch_to_asm+0x34/0x70 [ 292.466416] ? __switch_to_asm+0x34/0x70 [ 292.470493] ? __switch_to_asm+0x40/0x70 [ 292.474552] ? __switch_to_asm+0x34/0x70 [ 292.478609] ? __switch_to_asm+0x40/0x70 [ 292.482666] ? __switch_to_asm+0x34/0x70 [ 292.486731] ? __switch_to_asm+0x40/0x70 [ 292.490788] ? __switch_to_asm+0x34/0x70 [ 292.494854] ? __switch_to_asm+0x34/0x70 [ 292.498928] ? __switch_to_asm+0x40/0x70 [ 292.502986] ? __switch_to_asm+0x34/0x70 [ 292.507058] bpf_clone_redirect+0xb9/0x490 [ 292.511296] ? __schedule+0x874/0x1ed0 [ 292.515189] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 292.520210] ? __sched_text_start+0x8/0x8 [ 292.524373] ? find_held_lock+0x36/0x1c0 [ 292.528448] ? lock_acquire+0x1ed/0x520 [ 292.532426] ? bpf_test_run+0x32e/0x5a0 [ 292.536422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.541970] ? check_preemption_disabled+0x48/0x200 [ 292.546991] ? kasan_check_read+0x11/0x20 [ 292.551146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.556423] ? rcu_bh_qs+0xc0/0xc0 [ 292.559981] ? preempt_schedule+0x4d/0x60 [ 292.564151] ? ___preempt_schedule+0x16/0x18 [ 292.568569] ? bpf_test_run+0x1c0/0x5a0 [ 292.572559] ? netlink_diag_dump+0x2a0/0x2a0 [ 292.576980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.582521] ? bpf_test_init.isra.9+0x70/0x100 [ 292.587126] ? bpf_prog_test_run_skb+0x634/0xb40 [ 292.591892] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.596742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.602281] ? fput+0x130/0x1a0 [ 292.605563] ? __bpf_prog_get+0x9b/0x290 [ 292.609627] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.614473] ? bpf_prog_test_run+0x130/0x1a0 [ 292.618887] ? __x64_sys_bpf+0x3d8/0x510 [ 292.622958] ? bpf_prog_get+0x20/0x20 [ 292.626783] ? do_syscall_64+0x1b9/0x820 [ 292.630849] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.636218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.641151] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.646168] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.651184] ? recalc_sigpending_tsk+0x180/0x180 [ 292.655980] ? kasan_check_write+0x14/0x20 [ 292.660226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.665082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.670467] warn_alloc_show_mem: 1 callbacks suppressed [ 292.670479] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 292.670481] Mem-Info: [ 292.670513] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 292.670513] active_file:13 inactive_file:13 isolated_file:1 [ 292.670513] unevictable:0 dirty:0 writeback:0 unstable:0 [ 292.670513] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 292.670513] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 292.670513] free:13741 free_pcp:221 free_cma:0 [ 292.675848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.682795] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 292.685194] Call Trace: [ 292.718248] Node 0 [ 292.727604] [ 292.755469] 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 [ 292.758045] dump_stack+0x1c4/0x2b4 [ 292.760240] lowmem_reserve[]: 0 [ 292.762394] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.787877] 2819 [ 292.791517] warn_alloc.cold.119+0xb7/0x1bd [ 292.794747] 6323 6323 [ 292.799953] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.801981] Node 0 [ 292.806296] ? lock_downgrade+0x900/0x900 [ 292.808789] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.813605] ? trace_hardirqs_off+0xb8/0x310 [ 292.815803] lowmem_reserve[]: 0 [ 292.819966] ? trace_hardirqs_off+0xb8/0x310 [ 292.847016] 0 3503 [ 292.851480] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.854714] 3503 [ 292.859156] ? warn_alloc+0x120/0x120 [ 292.861339] Node 0 [ 292.866178] ? warn_alloc+0x120/0x120 [ 292.868242] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 292.872055] ? print_usage_bug+0xc0/0xc0 [ 292.874260] lowmem_reserve[]: 0 [ 292.878062] ? warn_alloc+0x120/0x120 [ 292.906485] 0 0 [ 292.910550] ? print_usage_bug+0xc0/0xc0 [ 292.913803] 0 [ 292.917595] ? __lock_acquire+0x7ec/0x4ec0 [ 292.923598] ? __lock_acquire+0x7ec/0x4ec0 [ 292.925409] Node 0 [ 292.929641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.933863] DMA: [ 292.936095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.941606] 1*4kB [ 292.943667] ? should_fail+0x22d/0xd01 [ 292.949175] (U) [ 292.951318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.955177] 0*8kB 0*16kB [ 292.957164] ? __lock_acquire+0x7ec/0x4ec0 [ 292.962240] 1*32kB [ 292.964994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.969199] (U) [ 292.971449] ? __lock_acquire+0x7ec/0x4ec0 [ 292.976526] 2*64kB [ 292.978513] ? should_fail+0x22d/0xd01 [ 292.982722] (U) [ 292.984970] ? mark_held_locks+0x130/0x130 [ 292.988824] 1*128kB [ 292.990791] ? mark_held_locks+0x130/0x130 [ 292.994998] (U) [ 292.997312] ? graph_lock+0x170/0x170 [ 293.001524] 1*256kB [ 293.003491] ? print_usage_bug+0xc0/0xc0 [ 293.007282] (U) [ 293.009602] ? graph_lock+0x170/0x170 [ 293.013636] 0*512kB [ 293.015603] ? print_usage_bug+0xc0/0xc0 [ 293.019380] 1*1024kB [ 293.021700] ? wq_watchdog_touch+0x9c/0xfe [ 293.025735] (U) [ 293.028144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.032356] 1*2048kB [ 293.034343] ? check_preemption_disabled+0x48/0x200 [ 293.039856] (M) [ 293.042266] ? check_preemption_disabled+0x48/0x200 [ 293.047254] 3*4096kB [ 293.049245] ? __lock_is_held+0xb5/0x140 [ 293.054226] (M) [ 293.056634] __alloc_pages_nodemask+0xa80/0xde0 [ 293.060664] = 15908kB [ 293.062635] ? graph_lock+0x170/0x170 [ 293.067275] Node 0 [ 293.069685] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.073453] DMA32: [ 293.075683] ? graph_lock+0x170/0x170 [ 293.080674] 5*4kB [ 293.082908] ? find_held_lock+0x36/0x1c0 [ 293.086706] (UM) [ 293.088856] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.092883] 0*8kB [ 293.094954] ? lock_downgrade+0x900/0x900 [ 293.099596] 3*16kB [ 293.101743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.105863] (UM) [ 293.108098] cache_grow_begin+0x91/0x8c0 [ 293.113611] 2*32kB [ 293.115672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.119706] (M) [ 293.121958] fallback_alloc+0x203/0x2e0 [ 293.126338] 5*64kB [ 293.128314] ____cache_alloc_node+0x1c7/0x1e0 [ 293.132255] (UM) [ 293.134492] kmem_cache_alloc_node+0xe3/0x730 [ 293.138955] 3*128kB (M) [ 293.141035] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.145516] 3*256kB [ 293.148204] __alloc_skb+0x119/0x770 [ 293.152441] (M) [ 293.154756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.158453] 4*512kB [ 293.160424] ? skb_scrub_packet+0x490/0x490 [ 293.165678] (UM) [ 293.168000] ? lock_downgrade+0x900/0x900 [ 293.172316] 3*1024kB [ 293.174387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.178505] (UM) [ 293.180914] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.186436] 1*2048kB [ 293.188492] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.193926] (M) [ 293.196334] ? addrconf_rs_timer+0x690/0x690 [ 293.201756] 4*4096kB (M) [ 293.203755] ndisc_alloc_skb+0x144/0x340 [ 293.208130] = 25156kB [ 293.210882] ndisc_send_rs+0x331/0x6e0 [ 293.214927] Node 0 [ 293.217335] addrconf_rs_timer+0x314/0x690 [ 293.221211] Normal: [ 293.223448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.227658] 1005*4kB [ 293.229984] call_timer_fn+0x272/0x920 [ 293.234182] (MEH) [ 293.236586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.240452] 451*8kB [ 293.242600] ? process_timeout+0x40/0x40 [ 293.246806] (ME) [ 293.249124] ? find_held_lock+0x36/0x1c0 [ 293.253171] 184*16kB [ 293.255228] ? mark_held_locks+0xc7/0x130 [ 293.259260] (UME) [ 293.261664] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.265788] 94*32kB [ 293.267943] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.272407] (UME) [ 293.274725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.279199] 5*64kB [ 293.281343] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.285546] (UM) 0*128kB [ 293.287790] ? trace_hardirqs_on+0xbd/0x310 [ 293.292345] 0*256kB [ 293.295096] ? kasan_check_read+0x11/0x20 [ 293.299398] 0*512kB [ 293.301718] ? __run_timers+0x7da/0xc70 [ 293.305838] 0*1024kB [ 293.308658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.312629] 0*2048kB [ 293.315034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.320457] 0*4096kB [ 293.322864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.327071] = 13900kB [ 293.329472] __run_timers+0x7e5/0xc70 [ 293.333690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.336102] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.339880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.348705] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.354045] 4241 total pagecache pages [ 293.362611] ? graph_lock+0x170/0x170 [ 293.367609] 0 pages in swap cache [ 293.371484] ? print_usage_bug+0xc0/0xc0 [ 293.375262] Swap cache stats: add 0, delete 0, find 0/0 [ 293.378706] ? lock_release+0x970/0x970 [ 293.382745] Free swap = 0kB [ 293.388104] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.392049] Total swap = 0kB [ 293.392057] 1965979 pages RAM [ 293.395071] ? find_held_lock+0x36/0x1c0 [ 293.400231] 0 pages HighMem/MovableOnly [ 293.403245] ? graph_lock+0x170/0x170 [ 293.406321] 342307 pages reserved [ 293.406329] 0 pages cma reserved [ 293.410386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.414416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.418132] ? check_preemption_disabled+0x48/0x200 [ 293.421649] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.424940] ? __lock_is_held+0xb5/0x140 [ 293.430446] syz-executor5 cpuset= [ 293.436943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.442391] syz5 [ 293.452872] ? check_preemption_disabled+0x48/0x200 [ 293.456905] mems_allowed=0 [ 293.460396] run_timer_softirq+0x52/0xb0 [ 293.479867] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.484884] __do_softirq+0x30b/0xad8 [ 293.488696] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.493807] ? pvclock_read_flags+0x160/0x160 [ 293.498301] ? lapic_next_event+0x5a/0x90 [ 293.502453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.507995] ? check_preemption_disabled+0x48/0x200 [ 293.513009] ? check_preemption_disabled+0x48/0x200 [ 293.518035] ? kvm_clock_read+0x18/0x30 [ 293.522020] ? kvm_sched_clock_read+0x9/0x20 [ 293.526430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.531970] ? check_preemption_disabled+0x48/0x200 [ 293.537004] irq_exit+0x17f/0x1c0 [ 293.540462] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.545305] ? smp_reschedule_interrupt+0x109/0x650 [ 293.550321] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.556210] ? interrupt_entry+0xb5/0xf0 [ 293.560273] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.565291] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.570312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.575154] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.580167] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.585183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.590719] ? check_preemption_disabled+0x48/0x200 [ 293.595732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.601275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.606128] apic_timer_interrupt+0xf/0x20 [ 293.610355] [ 293.612600] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 293.617615] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 293.636516] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 293.644228] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 293.651493] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 293.658758] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 293.666025] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 293.673292] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 293.680585] ? list_lru_count_one+0x36d/0x450 [ 293.685088] ? list_lru_count_one+0x260/0x450 [ 293.689604] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.695400] ? kasan_check_read+0x11/0x20 [ 293.699553] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.704833] ? rcu_bh_qs+0xc0/0xc0 [ 293.708388] list_lru_count_one+0x265/0x450 [ 293.712709] ? list_lru_add+0x980/0x980 [ 293.716687] ? deferred_split_count+0x65/0x170 [ 293.721268] ? shrink_huge_zero_page_count+0xc8/0x100 [ 293.726464] super_cache_count+0x153/0x2e0 [ 293.730702] do_shrink_slab+0x1a7/0xd20 [ 293.734685] ? lock_release+0x970/0x970 [ 293.738660] ? snapshot_refaults+0x290/0x290 [ 293.743074] ? ___might_sleep+0x1ed/0x300 [ 293.747242] ? down_read_trylock+0xff/0x1e0 [ 293.751561] ? shrink_slab+0x207/0x8c0 [ 293.755450] ? downgrade_write+0x2b0/0x2b0 [ 293.759686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.765221] ? shrink_node_memcg+0xc82/0x18e0 [ 293.769731] shrink_slab+0x389/0x8c0 [ 293.773445] ? shrink_active_list+0x1c20/0x1c20 [ 293.778126] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 293.783757] ? kasan_check_read+0x11/0x20 [ 293.787908] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.792340] ? ___preempt_schedule+0x16/0x18 [ 293.796759] ? _raw_spin_unlock+0x3f/0x50 [ 293.800926] shrink_node+0x431/0x16b0 [ 293.804739] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 293.810045] ? shrink_node_memcg+0x18e0/0x18e0 [ 293.814628] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.819215] ? trace_hardirqs_on+0xbd/0x310 [ 293.823543] ? vmpressure+0x271/0x340 [ 293.827352] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 293.831955] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.837492] ? __cpuset_node_allowed+0x19b/0x660 [ 293.842249] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 293.847964] ? vmpressure+0x1a2/0x340 [ 293.851778] do_try_to_free_pages+0x3e7/0x1290 [ 293.856381] ? shrink_node+0x16b0/0x16b0 [ 293.860443] ? __lock_is_held+0xb5/0x140 [ 293.864518] try_to_free_pages+0x4d0/0xb90 [ 293.868761] ? do_try_to_free_pages+0x1290/0x1290 [ 293.873607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.879157] ? lock_acquire+0x1ed/0x520 [ 293.883135] ? set_page_refcounted+0x280/0x280 [ 293.887723] ? lock_release+0x970/0x970 [ 293.891705] ? ___might_sleep+0x1ed/0x300 [ 293.895855] ? arch_local_save_flags+0x40/0x40 [ 293.900450] __alloc_pages_slowpath+0x993/0x2d80 [ 293.905242] ? warn_alloc+0x120/0x120 [ 293.909042] ? __radix_tree_lookup+0x4c0/0x4c0 [ 293.913638] ? find_get_entry+0x2f2/0xc40 [ 293.917797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.923336] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 293.928447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.933986] ? should_fail+0x22d/0xd01 [ 293.937883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.942984] ? __lock_is_held+0xb5/0x140 [ 293.947080] ? __lock_is_held+0xb5/0x140 [ 293.951150] ? __lock_acquire+0x7ec/0x4ec0 [ 293.955390] ? ___might_sleep+0x1ed/0x300 [ 293.959534] ? lock_release+0x970/0x970 [ 293.963512] ? arch_local_save_flags+0x40/0x40 [ 293.968112] ? __might_sleep+0x95/0x190 [ 293.972091] __alloc_pages_nodemask+0xa80/0xde0 [ 293.976769] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.981788] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.987580] ? kasan_check_read+0x11/0x20 [ 293.991733] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.997013] ? graph_lock+0x170/0x170 [ 294.000814] ? print_usage_bug+0xc0/0xc0 [ 294.004897] ? graph_lock+0x170/0x170 [ 294.008706] ? graph_lock+0x170/0x170 [ 294.012511] ? __do_page_cache_readahead+0x7ce/0x980 [ 294.017620] ? find_held_lock+0x36/0x1c0 [ 294.021686] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.027227] alloc_pages_current+0x10c/0x210 [ 294.031637] ? lock_downgrade+0x900/0x900 [ 294.035788] __page_cache_alloc+0x38f/0x5b0 [ 294.040111] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.045908] ? kasan_check_read+0x11/0x20 [ 294.050074] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.055353] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 294.060026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.065568] ? check_preemption_disabled+0x48/0x200 [ 294.070594] filemap_fault+0x1594/0x25f0 [ 294.074669] ? __lock_page_or_retry+0xa00/0xa00 [ 294.079339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.085132] ? kasan_check_read+0x11/0x20 [ 294.089281] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.094572] ? ep_scan_ready_list+0xbeb/0x1050 [ 294.099174] ? rcu_bh_qs+0xc0/0xc0 [ 294.102711] ? lock_downgrade+0x900/0x900 [ 294.106865] ? graph_lock+0x170/0x170 [ 294.110672] ? filemap_map_pages+0xdea/0x1980 [ 294.115202] ? find_get_pages_range_tag+0x1320/0x1320 [ 294.120395] ? wait_for_completion+0x8a0/0x8a0 [ 294.124979] ? graph_lock+0x170/0x170 [ 294.128782] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.133365] ? kasan_check_read+0x11/0x20 [ 294.137511] ? ep_scan_ready_list+0xbc7/0x1050 [ 294.142109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.147569] ? lock_acquire+0x1ed/0x520 [ 294.151557] ? ext4_filemap_fault+0x7a/0xad [ 294.155882] ? lock_release+0x970/0x970 [ 294.159858] ? arch_local_save_flags+0x40/0x40 [ 294.164443] ? ep_poll_callback+0x10e0/0x10e0 [ 294.168963] ? down_read+0xb0/0x1d0 [ 294.172596] ? ext4_filemap_fault+0x7a/0xad [ 294.176926] ? __down_interruptible+0x700/0x700 [ 294.181620] ? get_futex_key+0x21b0/0x21b0 [ 294.185871] ext4_filemap_fault+0x82/0xad [ 294.190028] __do_fault+0x100/0x6b0 [ 294.193659] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.198167] ? print_bad_pte+0x6c0/0x6c0 [ 294.202231] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.206819] ? trace_hardirqs_on+0xbd/0x310 [ 294.211140] ? kasan_check_read+0x11/0x20 [ 294.215291] ? pmd_val+0x88/0x100 [ 294.218744] ? add_mm_counter_fast+0xd0/0xd0 [ 294.223150] ? pmd_val+0x88/0x100 [ 294.226604] ? add_mm_counter_fast+0xd0/0xd0 [ 294.231019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.236568] __handle_mm_fault+0x3709/0x53e0 [ 294.241004] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 294.245864] ? graph_lock+0x170/0x170 [ 294.249666] ? print_usage_bug+0xc0/0xc0 [ 294.253817] ? rcu_bh_qs+0xc0/0xc0 [ 294.257360] ? graph_lock+0x170/0x170 [ 294.261172] ? graph_lock+0x170/0x170 [ 294.264993] ? handle_mm_fault+0x42a/0xc70 [ 294.269229] ? lock_downgrade+0x900/0x900 [ 294.273377] ? check_preemption_disabled+0x48/0x200 [ 294.278401] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.284201] ? kasan_check_read+0x11/0x20 [ 294.288349] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.293625] ? rcu_bh_qs+0xc0/0xc0 [ 294.297169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.302623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.308163] ? check_preemption_disabled+0x48/0x200 [ 294.313194] handle_mm_fault+0x54f/0xc70 [ 294.317259] ? __handle_mm_fault+0x53e0/0x53e0 [ 294.321863] ? find_vma+0x34/0x190 [ 294.325411] __do_page_fault+0x67d/0xed0 [ 294.329485] ? mm_fault_error+0x380/0x380 [ 294.333630] ? trace_hardirqs_off+0xb8/0x310 [ 294.338040] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.343406] ? trace_hardirqs_on+0x310/0x310 [ 294.347821] do_page_fault+0xf2/0x7e0 [ 294.351625] ? vmalloc_sync_all+0x30/0x30 [ 294.355775] ? error_entry+0x70/0xd0 [ 294.359488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.364501] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.369434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.374365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.379207] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.384227] ? trace_hardirqs_off+0x310/0x310 [ 294.388729] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.393754] ? page_fault+0x8/0x30 [ 294.397300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.402152] ? page_fault+0x8/0x30 [ 294.405693] page_fault+0x1e/0x30 [ 294.409145] RIP: 0033:0x45df89 [ 294.412343] Code: Bad RIP value. [ 294.415704] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 294.421069] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 294.428336] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 294.435606] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 294.442875] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 294.450140] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 294.457438] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 294.457497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.464629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.464635] Call Trace: [ 294.464641] [ 294.464661] dump_stack+0x1c4/0x2b4 [ 294.464680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.471366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.480525] warn_alloc.cold.119+0xb7/0x1bd [ 294.483081] syz-fuzzer cpuset= [ 294.485223] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.488826] / [ 294.494010] ? lock_downgrade+0x900/0x900 [ 294.504213] mems_allowed=0 [ 294.508527] ? trace_hardirqs_off+0xb8/0x310 [ 294.529687] ? trace_hardirqs_off+0xb8/0x310 [ 294.534111] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.538993] ? warn_alloc+0x120/0x120 [ 294.542795] ? trace_hardirqs_on+0x310/0x310 [ 294.547206] ? warn_alloc+0x120/0x120 [ 294.551015] ? print_usage_bug+0xc0/0xc0 [ 294.555079] ? warn_alloc+0x120/0x120 [ 294.558884] ? ktime_get+0x2e1/0x440 [ 294.562597] ? print_usage_bug+0xc0/0xc0 [ 294.566663] ? __lock_acquire+0x7ec/0x4ec0 [ 294.570900] ? __lock_acquire+0x7ec/0x4ec0 [ 294.575142] ? kasan_check_read+0x11/0x20 [ 294.579297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.584837] ? should_fail+0x22d/0xd01 [ 294.588738] ? rcu_bh_qs+0xc0/0xc0 [ 294.592282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.597400] ? __lock_acquire+0x7ec/0x4ec0 [ 294.601649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.606751] ? __lock_acquire+0x7ec/0x4ec0 [ 294.610993] ? should_fail+0x22d/0xd01 [ 294.614885] ? rcu_idle_enter+0x4b0/0x4b0 [ 294.619062] ? mark_held_locks+0x130/0x130 [ 294.623302] ? mark_held_locks+0x130/0x130 [ 294.627547] ? mark_held_locks+0xc7/0x130 [ 294.631697] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 294.636713] ? graph_lock+0x170/0x170 [ 294.640516] ? print_usage_bug+0xc0/0xc0 [ 294.644590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.650130] ? check_preemption_disabled+0x48/0x200 [ 294.655145] ? check_preemption_disabled+0x48/0x200 [ 294.660174] ? __lock_is_held+0xb5/0x140 [ 294.664243] __alloc_pages_nodemask+0xa80/0xde0 [ 294.668914] ? graph_lock+0x170/0x170 [ 294.672731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.677759] ? graph_lock+0x170/0x170 [ 294.681572] ? find_held_lock+0x36/0x1c0 [ 294.685643] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.690315] ? lock_downgrade+0x900/0x900 [ 294.694506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.700061] cache_grow_begin+0x91/0x8c0 [ 294.704132] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.708551] fallback_alloc+0x203/0x2e0 [ 294.712535] ____cache_alloc_node+0x1c7/0x1e0 [ 294.717039] kmem_cache_alloc_node+0xe3/0x730 [ 294.721541] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.725787] __alloc_skb+0x119/0x770 [ 294.729500] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.734782] ? skb_scrub_packet+0x490/0x490 [ 294.739109] ? lock_downgrade+0x900/0x900 [ 294.743271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.748809] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.754271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.759725] ? addrconf_rs_timer+0x690/0x690 [ 294.764151] ndisc_alloc_skb+0x144/0x340 [ 294.768222] ndisc_send_rs+0x331/0x6e0 [ 294.772116] addrconf_rs_timer+0x314/0x690 [ 294.776360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.780610] call_timer_fn+0x272/0x920 [ 294.784498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.788739] ? process_timeout+0x40/0x40 [ 294.792800] ? find_held_lock+0x36/0x1c0 [ 294.796876] ? __run_timers+0x7da/0xc70 [ 294.800857] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.805350] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.809848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.814087] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.818673] ? trace_hardirqs_on+0xbd/0x310 [ 294.822991] ? kasan_check_read+0x11/0x20 [ 294.827144] ? __run_timers+0x7da/0xc70 [ 294.831124] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.836584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.840831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.845072] __run_timers+0x7e5/0xc70 [ 294.848893] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.854273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.859289] ? graph_lock+0x170/0x170 [ 294.863093] ? enqueue_hrtimer+0x1a5/0x560 [ 294.867331] ? lock_release+0x970/0x970 [ 294.871308] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.876504] ? find_held_lock+0x36/0x1c0 [ 294.880575] ? graph_lock+0x170/0x170 [ 294.884379] ? pvclock_read_flags+0x160/0x160 [ 294.888879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.894422] ? check_preemption_disabled+0x48/0x200 [ 294.899464] ? __lock_is_held+0xb5/0x140 [ 294.903528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.909073] ? check_preemption_disabled+0x48/0x200 [ 294.914100] run_timer_softirq+0x52/0xb0 [ 294.918166] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.923188] __do_softirq+0x30b/0xad8 [ 294.927001] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.932112] ? pvclock_read_flags+0x160/0x160 [ 294.936610] ? lapic_next_event+0x5a/0x90 [ 294.940757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.946298] ? check_preemption_disabled+0x48/0x200 [ 294.951317] ? check_preemption_disabled+0x48/0x200 [ 294.956341] ? kvm_clock_read+0x18/0x30 [ 294.960319] ? kvm_sched_clock_read+0x9/0x20 [ 294.964736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.970275] ? check_preemption_disabled+0x48/0x200 [ 294.975303] irq_exit+0x17f/0x1c0 [ 294.978763] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.983608] ? smp_reschedule_interrupt+0x109/0x650 [ 294.988626] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.994510] ? interrupt_entry+0xb5/0xf0 [ 294.998572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.003585] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.008608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.013456] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.018473] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.023493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.029035] ? check_preemption_disabled+0x48/0x200 [ 295.034049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.039598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.044456] apic_timer_interrupt+0xf/0x20 [ 295.048684] [ 295.050932] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 295.055864] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 295.074767] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.082474] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 295.089743] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 295.097010] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 295.104276] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 295.111541] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 295.118860] skb_clone+0x1bb/0x500 [ 295.122400] ? finish_task_switch+0x1b5/0x900 [ 295.126899] ? skb_split+0x11e0/0x11e0 [ 295.130797] ? preempt_notifier_register+0x200/0x200 [ 295.135898] ? __switch_to_asm+0x34/0x70 [ 295.139977] ? __switch_to_asm+0x34/0x70 [ 295.144037] ? __switch_to_asm+0x40/0x70 [ 295.148114] ? __switch_to_asm+0x34/0x70 [ 295.152185] ? __switch_to_asm+0x40/0x70 [ 295.156244] ? __switch_to_asm+0x34/0x70 [ 295.160305] ? __switch_to_asm+0x40/0x70 [ 295.164365] ? __switch_to_asm+0x34/0x70 [ 295.168426] ? __switch_to_asm+0x34/0x70 [ 295.172491] ? __switch_to_asm+0x40/0x70 [ 295.176552] ? __switch_to_asm+0x34/0x70 [ 295.180624] bpf_clone_redirect+0xb9/0x490 [ 295.184865] ? __schedule+0x874/0x1ed0 [ 295.188758] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 295.193779] ? __sched_text_start+0x8/0x8 [ 295.197947] ? find_held_lock+0x36/0x1c0 [ 295.202021] ? lock_acquire+0x1ed/0x520 [ 295.205996] ? bpf_test_run+0x32e/0x5a0 [ 295.209971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.215514] ? check_preemption_disabled+0x48/0x200 [ 295.220534] ? kasan_check_read+0x11/0x20 [ 295.224687] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.229969] ? rcu_bh_qs+0xc0/0xc0 [ 295.233511] ? preempt_schedule+0x4d/0x60 [ 295.237661] ? ___preempt_schedule+0x16/0x18 [ 295.242077] ? bpf_test_run+0x1c0/0x5a0 [ 295.246064] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.250480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.256017] ? bpf_test_init.isra.9+0x70/0x100 [ 295.260604] ? bpf_prog_test_run_skb+0x634/0xb40 [ 295.265366] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.270206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.275741] ? fput+0x130/0x1a0 [ 295.279025] ? __bpf_prog_get+0x9b/0x290 [ 295.283092] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.287941] ? bpf_prog_test_run+0x130/0x1a0 [ 295.292359] ? __x64_sys_bpf+0x3d8/0x510 [ 295.296420] ? bpf_prog_get+0x20/0x20 [ 295.300254] ? do_syscall_64+0x1b9/0x820 [ 295.304319] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.309870] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.314804] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.319820] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.324837] ? recalc_sigpending_tsk+0x180/0x180 [ 295.329593] ? kasan_check_write+0x14/0x20 [ 295.333840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.338691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.344078] warn_alloc_show_mem: 1 callbacks suppressed [ 295.344090] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 295.344092] Mem-Info: [ 295.344124] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 295.344124] active_file:13 inactive_file:13 isolated_file:1 [ 295.344124] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.344124] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 295.344124] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 295.344124] free:13741 free_pcp:221 free_cma:0 [ 295.349461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.356390] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.358785] Call Trace: [ 295.391825] Node 0 [ 295.401166] [ 295.429015] 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 [ 295.431572] dump_stack+0x1c4/0x2b4 [ 295.433780] lowmem_reserve[]: [ 295.435938] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.461926] 0 [ 295.465563] warn_alloc.cold.119+0xb7/0x1bd [ 295.468635] 2819 [ 295.473820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.475596] 6323 [ 295.479915] ? lock_downgrade+0x900/0x900 [ 295.481974] 6323 [ 295.486818] ? trace_hardirqs_off+0xb8/0x310 [ 295.492995] ? trace_hardirqs_off+0xb8/0x310 [ 295.495032] Node 0 [ 295.499435] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.503845] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 295.506076] ? warn_alloc+0x120/0x120 [ 295.510860] lowmem_reserve[]: 0 [ 295.537951] ? warn_alloc+0x120/0x120 [ 295.541708] 0 [ 295.544985] ? print_usage_bug+0xc0/0xc0 [ 295.548750] 3503 3503 [ 295.550556] ? warn_alloc+0x120/0x120 [ 295.557082] ? print_usage_bug+0xc0/0xc0 [ 295.560855] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 295.564945] ? graph_lock+0x170/0x170 [ 295.564963] ? kvm_sched_clock_read+0x9/0x20 [ 295.593997] lowmem_reserve[]: 0 [ 295.597822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.602204] 0 [ 295.605480] ? should_fail+0x22d/0xd01 [ 295.610994] 0 [ 295.612793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.616653] 0 [ 295.618447] ? __lock_acquire+0x7ec/0x4ec0 [ 295.618466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.625356] ? __lock_acquire+0x7ec/0x4ec0 [ 295.629633] Node 0 [ 295.634728] ? should_fail+0x22d/0xd01 [ 295.638944] DMA: [ 295.641178] ? mark_held_locks+0x130/0x130 [ 295.645035] 1*4kB [ 295.647093] ? mark_held_locks+0x130/0x130 [ 295.651300] (U) [ 295.653448] ? select_task_rq_fair+0x754/0x3500 [ 295.657661] 0*8kB [ 295.659629] ? lock_downgrade+0x900/0x900 [ 295.664276] 0*16kB [ 295.666420] ? check_preemption_disabled+0x48/0x200 [ 295.670546] 1*32kB [ 295.672772] ? graph_lock+0x170/0x170 [ 295.677762] (U) [ 295.679993] ? print_usage_bug+0xc0/0xc0 [ 295.683767] 2*64kB (U) [ 295.685746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.689777] 1*128kB (U) [ 295.692364] ? check_preemption_disabled+0x48/0x200 [ 295.697876] 1*256kB (U) [ 295.700555] ? check_preemption_disabled+0x48/0x200 [ 295.705547] 0*512kB [ 295.708229] ? __lock_is_held+0xb5/0x140 [ 295.713212] 1*1024kB [ 295.715531] __alloc_pages_nodemask+0xa80/0xde0 [ 295.719566] (U) [ 295.721969] ? graph_lock+0x170/0x170 [ 295.726613] 1*2048kB [ 295.728583] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.732355] (M) [ 295.734760] ? graph_lock+0x170/0x170 [ 295.739747] 3*4096kB (M) [ 295.741736] ? find_held_lock+0x36/0x1c0 [ 295.745505] = 15908kB [ 295.748265] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.752293] Node 0 [ 295.754698] ? lock_downgrade+0x900/0x900 [ 295.759334] DMA32: 5*4kB [ 295.761580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.765709] (UM) [ 295.768467] cache_grow_begin+0x91/0x8c0 [ 295.773974] 0*8kB [ 295.776034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.780067] 3*16kB [ 295.782216] fallback_alloc+0x203/0x2e0 [ 295.786598] (UM) [ 295.788840] ____cache_alloc_node+0x1c7/0x1e0 [ 295.792786] 2*32kB [ 295.794849] kmem_cache_alloc_node+0xe3/0x730 [ 295.799314] (M) 5*64kB [ 295.801558] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.806022] (UM) 3*128kB [ 295.808616] __alloc_skb+0x119/0x770 [ 295.812819] (M) [ 295.815586] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.815604] ? skb_scrub_packet+0x490/0x490 [ 295.819292] 3*256kB [ 295.821263] ? lock_downgrade+0x900/0x900 [ 295.826513] (M) [ 295.830831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.833125] 4*512kB [ 295.837269] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.839222] (UM) [ 295.844751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.847050] 3*1024kB [ 295.852496] ? addrconf_rs_timer+0x690/0x690 [ 295.854534] (UM) [ 295.859985] ndisc_alloc_skb+0x144/0x340 [ 295.862371] 1*2048kB [ 295.866775] ndisc_send_rs+0x331/0x6e0 [ 295.868815] (M) [ 295.872873] addrconf_rs_timer+0x314/0x690 [ 295.875258] 4*4096kB [ 295.879138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.881084] (M) = 25156kB [ 295.885327] call_timer_fn+0x272/0x920 [ 295.887706] Node 0 [ 295.891946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.894678] Normal: [ 295.898559] ? process_timeout+0x40/0x40 [ 295.900775] 1005*4kB [ 295.905000] ? find_held_lock+0x36/0x1c0 [ 295.907298] (MEH) [ 295.911358] ? mark_held_locks+0xc7/0x130 [ 295.913745] 451*8kB [ 295.917798] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.919936] (ME) [ 295.924077] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.926373] 184*16kB (UME) [ 295.930868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.932911] 94*32kB [ 295.937410] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.940317] (UME) [ 295.944545] ? trace_hardirqs_on+0xbd/0x310 [ 295.946843] 5*64kB [ 295.951415] ? kasan_check_read+0x11/0x20 [ 295.953547] (UM) [ 295.957864] ? __run_timers+0x7da/0xc70 [ 295.960076] 0*128kB [ 295.964216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.966257] 0*256kB [ 295.970237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.972531] 0*512kB [ 295.977976] __run_timers+0x7e5/0xc70 [ 295.980278] 0*1024kB [ 295.984513] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.986804] 0*2048kB [ 295.990597] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.992987] 0*4096kB [ 295.998345] ? graph_lock+0x170/0x170 [ 296.000734] = 13900kB [ 296.005740] ? print_usage_bug+0xc0/0xc0 [ 296.008133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.011916] ? lock_release+0x970/0x970 [ 296.014313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.018360] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.027174] 4241 total pagecache pages [ 296.031141] ? find_held_lock+0x36/0x1c0 [ 296.039691] 0 pages in swap cache [ 296.044868] ? graph_lock+0x170/0x170 [ 296.048737] Swap cache stats: add 0, delete 0, find 0/0 [ 296.052796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.056226] Free swap = 0kB [ 296.060025] ? check_preemption_disabled+0x48/0x200 [ 296.065358] Total swap = 0kB [ 296.070891] ? __lock_is_held+0xb5/0x140 [ 296.073882] 1965979 pages RAM [ 296.078887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.081885] 0 pages HighMem/MovableOnly [ 296.081893] 342307 pages reserved [ 296.085957] ? check_preemption_disabled+0x48/0x200 [ 296.089037] 0 pages cma reserved [ 296.094571] run_timer_softirq+0x52/0xb0 [ 296.098596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.101975] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.101997] __do_softirq+0x30b/0xad8 [ 296.102022] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.107158] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.110381] ? pvclock_read_flags+0x160/0x160 [ 296.114417] syz-executor5 cpuset= [ 296.120898] ? lapic_next_event+0x5a/0x90 [ 296.125890] syz5 [ 296.129689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.134772] mems_allowed=0 [ 296.145290] ? check_preemption_disabled+0x48/0x200 [ 296.172721] ? check_preemption_disabled+0x48/0x200 [ 296.177746] ? kvm_clock_read+0x18/0x30 [ 296.181725] ? kvm_sched_clock_read+0x9/0x20 [ 296.186135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.191674] ? check_preemption_disabled+0x48/0x200 [ 296.196703] irq_exit+0x17f/0x1c0 [ 296.200160] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.205001] ? smp_reschedule_interrupt+0x109/0x650 [ 296.210019] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.215905] ? interrupt_entry+0xb5/0xf0 [ 296.219982] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.225006] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.230028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.234871] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.239884] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.244908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.250464] ? check_preemption_disabled+0x48/0x200 [ 296.255480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.261028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.265878] apic_timer_interrupt+0xf/0x20 [ 296.270106] [ 296.272346] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 296.277366] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 296.296272] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 296.303989] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 296.311270] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 296.318539] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 296.325809] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 296.333075] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 296.340365] ? list_lru_count_one+0x36d/0x450 [ 296.344859] ? list_lru_count_one+0x260/0x450 [ 296.349373] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.355166] ? kasan_check_read+0x11/0x20 [ 296.359314] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.364589] ? rcu_bh_qs+0xc0/0xc0 [ 296.368142] list_lru_count_one+0x265/0x450 [ 296.372464] ? list_lru_add+0x980/0x980 [ 296.376445] ? deferred_split_count+0x65/0x170 [ 296.381033] ? shrink_huge_zero_page_count+0xc8/0x100 [ 296.386227] super_cache_count+0x153/0x2e0 [ 296.390470] do_shrink_slab+0x1a7/0xd20 [ 296.394455] ? lock_release+0x970/0x970 [ 296.398432] ? snapshot_refaults+0x290/0x290 [ 296.402863] ? ___might_sleep+0x1ed/0x300 [ 296.407015] ? down_read_trylock+0xff/0x1e0 [ 296.411332] ? shrink_slab+0x207/0x8c0 [ 296.415224] ? downgrade_write+0x2b0/0x2b0 [ 296.419463] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.425003] ? shrink_node_memcg+0xc82/0x18e0 [ 296.429528] shrink_slab+0x389/0x8c0 [ 296.433245] ? shrink_active_list+0x1c20/0x1c20 [ 296.437942] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 296.443570] ? kasan_check_read+0x11/0x20 [ 296.447719] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.452134] ? ___preempt_schedule+0x16/0x18 [ 296.456553] ? _raw_spin_unlock+0x3f/0x50 [ 296.460709] shrink_node+0x431/0x16b0 [ 296.464515] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 296.469817] ? shrink_node_memcg+0x18e0/0x18e0 [ 296.474400] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.478991] ? trace_hardirqs_on+0xbd/0x310 [ 296.483313] ? vmpressure+0x271/0x340 [ 296.487157] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 296.491747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.497282] ? __cpuset_node_allowed+0x19b/0x660 [ 296.502045] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 296.507754] ? vmpressure+0x1a2/0x340 [ 296.511565] do_try_to_free_pages+0x3e7/0x1290 [ 296.516168] ? shrink_node+0x16b0/0x16b0 [ 296.520230] ? __lock_is_held+0xb5/0x140 [ 296.524307] try_to_free_pages+0x4d0/0xb90 [ 296.528552] ? do_try_to_free_pages+0x1290/0x1290 [ 296.533394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.538968] ? lock_acquire+0x1ed/0x520 [ 296.542953] ? set_page_refcounted+0x280/0x280 [ 296.547544] ? lock_release+0x970/0x970 [ 296.551529] ? ___might_sleep+0x1ed/0x300 [ 296.555684] ? arch_local_save_flags+0x40/0x40 [ 296.560280] __alloc_pages_slowpath+0x993/0x2d80 [ 296.565070] ? warn_alloc+0x120/0x120 [ 296.568871] ? __radix_tree_lookup+0x4c0/0x4c0 [ 296.573469] ? find_get_entry+0x2f2/0xc40 [ 296.577625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.583164] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 296.588095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.593636] ? should_fail+0x22d/0xd01 [ 296.597527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.602635] ? __lock_is_held+0xb5/0x140 [ 296.606726] ? __lock_is_held+0xb5/0x140 [ 296.610796] ? __lock_acquire+0x7ec/0x4ec0 [ 296.615039] ? ___might_sleep+0x1ed/0x300 [ 296.619189] ? lock_release+0x970/0x970 [ 296.623165] ? arch_local_save_flags+0x40/0x40 [ 296.627762] ? __might_sleep+0x95/0x190 [ 296.631747] __alloc_pages_nodemask+0xa80/0xde0 [ 296.636426] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.641448] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.647242] ? kasan_check_read+0x11/0x20 [ 296.651392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.656674] ? graph_lock+0x170/0x170 [ 296.660479] ? print_usage_bug+0xc0/0xc0 [ 296.664547] ? graph_lock+0x170/0x170 [ 296.668360] ? graph_lock+0x170/0x170 [ 296.672164] ? __do_page_cache_readahead+0x7ce/0x980 [ 296.677274] ? find_held_lock+0x36/0x1c0 [ 296.681339] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 296.686884] alloc_pages_current+0x10c/0x210 [ 296.691307] ? lock_downgrade+0x900/0x900 [ 296.695462] __page_cache_alloc+0x38f/0x5b0 [ 296.699789] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.705583] ? kasan_check_read+0x11/0x20 [ 296.709734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.715103] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 296.719776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.725315] ? check_preemption_disabled+0x48/0x200 [ 296.730341] filemap_fault+0x1594/0x25f0 [ 296.734416] ? __lock_page_or_retry+0xa00/0xa00 [ 296.739091] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.744885] ? kasan_check_read+0x11/0x20 [ 296.749042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.754319] ? ep_scan_ready_list+0xbeb/0x1050 [ 296.758901] ? rcu_bh_qs+0xc0/0xc0 [ 296.762454] ? lock_downgrade+0x900/0x900 [ 296.766605] ? graph_lock+0x170/0x170 [ 296.770415] ? filemap_map_pages+0xdea/0x1980 [ 296.774950] ? find_get_pages_range_tag+0x1320/0x1320 [ 296.780143] ? wait_for_completion+0x8a0/0x8a0 [ 296.784728] ? graph_lock+0x170/0x170 [ 296.788534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.793118] ? kasan_check_read+0x11/0x20 [ 296.797270] ? ep_scan_ready_list+0xbc7/0x1050 [ 296.801857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.807320] ? lock_acquire+0x1ed/0x520 [ 296.811292] ? ext4_filemap_fault+0x7a/0xad [ 296.815624] ? lock_release+0x970/0x970 [ 296.819597] ? arch_local_save_flags+0x40/0x40 [ 296.824182] ? ep_poll_callback+0x10e0/0x10e0 [ 296.828716] ? down_read+0xb0/0x1d0 [ 296.832347] ? ext4_filemap_fault+0x7a/0xad [ 296.836675] ? __down_interruptible+0x700/0x700 [ 296.841353] ? get_futex_key+0x21b0/0x21b0 [ 296.845605] ext4_filemap_fault+0x82/0xad [ 296.849757] __do_fault+0x100/0x6b0 [ 296.853389] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.857896] ? print_bad_pte+0x6c0/0x6c0 [ 296.861979] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.866572] ? trace_hardirqs_on+0xbd/0x310 [ 296.870905] ? kasan_check_read+0x11/0x20 [ 296.875071] ? pmd_val+0x88/0x100 [ 296.878531] ? add_mm_counter_fast+0xd0/0xd0 [ 296.882947] ? pmd_val+0x88/0x100 [ 296.886407] ? add_mm_counter_fast+0xd0/0xd0 [ 296.890819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.896362] __handle_mm_fault+0x3709/0x53e0 [ 296.900781] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 296.905627] ? graph_lock+0x170/0x170 [ 296.909428] ? print_usage_bug+0xc0/0xc0 [ 296.913496] ? rcu_bh_qs+0xc0/0xc0 [ 296.917037] ? graph_lock+0x170/0x170 [ 296.920838] ? graph_lock+0x170/0x170 [ 296.924676] ? handle_mm_fault+0x42a/0xc70 [ 296.928911] ? lock_downgrade+0x900/0x900 [ 296.933073] ? check_preemption_disabled+0x48/0x200 [ 296.938095] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.943891] ? kasan_check_read+0x11/0x20 [ 296.948050] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.953334] ? rcu_bh_qs+0xc0/0xc0 [ 296.956874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.962340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.967884] ? check_preemption_disabled+0x48/0x200 [ 296.972909] handle_mm_fault+0x54f/0xc70 [ 296.976991] ? __handle_mm_fault+0x53e0/0x53e0 [ 296.981578] ? find_vma+0x34/0x190 [ 296.985124] __do_page_fault+0x67d/0xed0 [ 296.989195] ? mm_fault_error+0x380/0x380 [ 296.993343] ? trace_hardirqs_off+0xb8/0x310 [ 296.997755] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.003121] ? trace_hardirqs_on+0x310/0x310 [ 297.007539] do_page_fault+0xf2/0x7e0 [ 297.011373] ? vmalloc_sync_all+0x30/0x30 [ 297.015523] ? error_entry+0x70/0xd0 [ 297.019237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.024250] ? trace_hardirqs_on_caller+0xc0/0x310 [ 297.029180] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.034106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.038959] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.043977] ? trace_hardirqs_off+0x310/0x310 [ 297.048482] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.053504] ? page_fault+0x8/0x30 [ 297.057052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.061902] ? page_fault+0x8/0x30 [ 297.065457] page_fault+0x1e/0x30 [ 297.068929] RIP: 0033:0x45df89 [ 297.072129] Code: Bad RIP value. [ 297.075491] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 297.080857] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 297.088125] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 297.095396] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 297.102676] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 297.109954] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 297.117256] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 297.117324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.124447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.124452] Call Trace: [ 297.124460] [ 297.124483] dump_stack+0x1c4/0x2b4 [ 297.124501] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.131063] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.140338] warn_alloc.cold.119+0xb7/0x1bd [ 297.142893] syz-fuzzer cpuset= [ 297.145039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.148641] / [ 297.153843] ? lock_downgrade+0x900/0x900 [ 297.164047] mems_allowed=0 [ 297.168377] ? trace_hardirqs_off+0xb8/0x310 [ 297.189549] ? trace_hardirqs_off+0xb8/0x310 [ 297.193971] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.198845] ? warn_alloc+0x120/0x120 [ 297.202648] ? lock_release+0x970/0x970 [ 297.206624] ? warn_alloc+0x120/0x120 [ 297.210429] ? print_usage_bug+0xc0/0xc0 [ 297.214496] ? warn_alloc+0x120/0x120 [ 297.218301] ? print_usage_bug+0xc0/0xc0 [ 297.222365] ? __lock_acquire+0x7ec/0x4ec0 [ 297.226604] ? __lock_acquire+0x7ec/0x4ec0 [ 297.230843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.236383] ? should_fail+0x22d/0xd01 [ 297.240268] ? __lock_acquire+0x7ec/0x4ec0 [ 297.244508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.249627] ? __lock_acquire+0x7ec/0x4ec0 [ 297.253873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.258973] ? __lock_acquire+0x7ec/0x4ec0 [ 297.263207] ? should_fail+0x22d/0xd01 [ 297.267104] ? mark_held_locks+0x130/0x130 [ 297.271344] ? mark_held_locks+0x130/0x130 [ 297.275591] ? graph_lock+0x170/0x170 [ 297.279395] ? print_usage_bug+0xc0/0xc0 [ 297.283463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.289007] ? check_preemption_disabled+0x48/0x200 [ 297.294029] ? check_preemption_disabled+0x48/0x200 [ 297.299058] ? __lock_is_held+0xb5/0x140 [ 297.303132] __alloc_pages_nodemask+0xa80/0xde0 [ 297.307966] ? graph_lock+0x170/0x170 [ 297.311776] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.316788] ? graph_lock+0x170/0x170 [ 297.320603] ? find_held_lock+0x36/0x1c0 [ 297.324675] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.329346] ? lock_downgrade+0x900/0x900 [ 297.333513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.339057] cache_grow_begin+0x91/0x8c0 [ 297.343123] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.347540] fallback_alloc+0x203/0x2e0 [ 297.351522] ____cache_alloc_node+0x1c7/0x1e0 [ 297.356028] kmem_cache_alloc_node+0xe3/0x730 [ 297.360525] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.364772] __alloc_skb+0x119/0x770 [ 297.368514] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.373800] ? skb_scrub_packet+0x490/0x490 [ 297.378124] ? lock_downgrade+0x900/0x900 [ 297.382286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.387823] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.393278] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.398731] ? addrconf_rs_timer+0x690/0x690 [ 297.403157] ndisc_alloc_skb+0x144/0x340 [ 297.407225] ndisc_send_rs+0x331/0x6e0 [ 297.411121] addrconf_rs_timer+0x314/0x690 [ 297.415366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.419617] call_timer_fn+0x272/0x920 [ 297.423504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.427741] ? process_timeout+0x40/0x40 [ 297.431801] ? find_held_lock+0x36/0x1c0 [ 297.435873] ? __run_timers+0x7da/0xc70 [ 297.440380] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.444895] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.449404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.453643] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.458226] ? trace_hardirqs_on+0xbd/0x310 [ 297.462546] ? kasan_check_read+0x11/0x20 [ 297.466694] ? __run_timers+0x7da/0xc70 [ 297.470670] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.476127] ? prandom_seed_full_state+0x3b0/0x3b0 [ 297.481070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.485306] __run_timers+0x7e5/0xc70 [ 297.489121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.494491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.499508] ? graph_lock+0x170/0x170 [ 297.503314] ? enqueue_hrtimer+0x1a5/0x560 [ 297.507551] ? lock_release+0x970/0x970 [ 297.511554] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.516783] ? find_held_lock+0x36/0x1c0 [ 297.520849] ? graph_lock+0x170/0x170 [ 297.524665] ? pvclock_read_flags+0x160/0x160 [ 297.529168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.534719] ? check_preemption_disabled+0x48/0x200 [ 297.539748] ? __lock_is_held+0xb5/0x140 [ 297.543813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.549356] ? check_preemption_disabled+0x48/0x200 [ 297.554379] run_timer_softirq+0x52/0xb0 [ 297.558445] ? rcu_read_lock_sched_held+0x108/0x120 [ 297.563470] __do_softirq+0x30b/0xad8 [ 297.567284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.572394] ? pvclock_read_flags+0x160/0x160 [ 297.576892] ? lapic_next_event+0x5a/0x90 [ 297.581054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.586595] ? check_preemption_disabled+0x48/0x200 [ 297.591619] ? check_preemption_disabled+0x48/0x200 [ 297.596640] ? kvm_clock_read+0x18/0x30 [ 297.600616] ? kvm_sched_clock_read+0x9/0x20 [ 297.605025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.610566] ? check_preemption_disabled+0x48/0x200 [ 297.615595] irq_exit+0x17f/0x1c0 [ 297.619052] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.623895] ? smp_reschedule_interrupt+0x109/0x650 [ 297.628944] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.634832] ? interrupt_entry+0xb5/0xf0 [ 297.638896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.643917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.648948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.653820] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.658867] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.663885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.669424] ? check_preemption_disabled+0x48/0x200 [ 297.674451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.679996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.684849] apic_timer_interrupt+0xf/0x20 [ 297.689080] [ 297.691320] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 297.696253] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 297.715155] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.722865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 297.730130] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 297.737414] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 297.744684] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 297.751950] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 297.759286] skb_clone+0x1bb/0x500 [ 297.762828] ? finish_task_switch+0x1b5/0x900 [ 297.767327] ? skb_split+0x11e0/0x11e0 [ 297.771215] ? preempt_notifier_register+0x200/0x200 [ 297.776324] ? __switch_to_asm+0x34/0x70 [ 297.780388] ? __switch_to_asm+0x34/0x70 [ 297.784450] ? __switch_to_asm+0x40/0x70 [ 297.788514] ? __switch_to_asm+0x34/0x70 [ 297.792576] ? __switch_to_asm+0x40/0x70 [ 297.796634] ? __switch_to_asm+0x34/0x70 [ 297.800691] ? __switch_to_asm+0x40/0x70 [ 297.804750] ? __switch_to_asm+0x34/0x70 [ 297.808811] ? __switch_to_asm+0x34/0x70 [ 297.812870] ? __switch_to_asm+0x40/0x70 [ 297.816937] ? __switch_to_asm+0x34/0x70 [ 297.821010] bpf_clone_redirect+0xb9/0x490 [ 297.825247] ? __schedule+0x874/0x1ed0 [ 297.829143] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 297.834165] ? __sched_text_start+0x8/0x8 [ 297.838328] ? find_held_lock+0x36/0x1c0 [ 297.842409] ? lock_acquire+0x1ed/0x520 [ 297.846383] ? bpf_test_run+0x32e/0x5a0 [ 297.850358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.855901] ? check_preemption_disabled+0x48/0x200 [ 297.860935] ? kasan_check_read+0x11/0x20 [ 297.865091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.870368] ? rcu_bh_qs+0xc0/0xc0 [ 297.873914] ? preempt_schedule+0x4d/0x60 [ 297.878076] ? ___preempt_schedule+0x16/0x18 [ 297.882494] ? bpf_test_run+0x1c0/0x5a0 [ 297.886481] ? netlink_diag_dump+0x2a0/0x2a0 [ 297.890891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.896441] ? bpf_test_init.isra.9+0x70/0x100 [ 297.901029] ? bpf_prog_test_run_skb+0x634/0xb40 [ 297.905792] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.910632] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.916169] ? fput+0x130/0x1a0 [ 297.919455] ? __bpf_prog_get+0x9b/0x290 [ 297.923522] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.928361] ? bpf_prog_test_run+0x130/0x1a0 [ 297.932773] ? __x64_sys_bpf+0x3d8/0x510 [ 297.936834] ? bpf_prog_get+0x20/0x20 [ 297.940655] ? do_syscall_64+0x1b9/0x820 [ 297.944715] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.950084] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.955024] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.960043] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.965060] ? recalc_sigpending_tsk+0x180/0x180 [ 297.969813] ? kasan_check_write+0x14/0x20 [ 297.974054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.978910] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.984301] warn_alloc_show_mem: 1 callbacks suppressed [ 297.984314] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 297.984316] Mem-Info: [ 297.984345] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 297.984345] active_file:13 inactive_file:13 isolated_file:1 [ 297.984345] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.984345] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 297.984345] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 297.984345] free:13741 free_pcp:221 free_cma:0 [ 297.989694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.996626] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.999023] Call Trace: [ 298.032059] Node 0 [ 298.041402] [ 298.069252] 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 [ 298.071812] dump_stack+0x1c4/0x2b4 [ 298.074019] lowmem_reserve[]: [ 298.076169] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.101654] 0 [ 298.105284] warn_alloc.cold.119+0xb7/0x1bd [ 298.108357] 2819 [ 298.113542] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.115316] 6323 [ 298.119629] ? lock_downgrade+0x900/0x900 [ 298.121668] 6323 [ 298.126508] ? trace_hardirqs_off+0xb8/0x310 [ 298.132687] ? trace_hardirqs_off+0xb8/0x310 [ 298.134722] Node 0 [ 298.139128] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.143533] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 298.145761] ? warn_alloc+0x120/0x120 [ 298.150544] lowmem_reserve[]: 0 [ 298.177630] ? trace_hardirqs_on+0x310/0x310 [ 298.181407] 0 [ 298.184689] ? warn_alloc+0x120/0x120 [ 298.189067] 3503 [ 298.190873] ? print_usage_bug+0xc0/0xc0 [ 298.194637] 3503 [ 298.196701] ? warn_alloc+0x120/0x120 [ 298.200738] Node 0 [ 298.202794] ? ktime_get+0x2e1/0x440 [ 298.206591] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 298.208794] ? print_usage_bug+0xc0/0xc0 [ 298.212475] lowmem_reserve[]: 0 [ 298.240944] ? __lock_acquire+0x7ec/0x4ec0 [ 298.244977] 0 [ 298.248252] ? __lock_acquire+0x7ec/0x4ec0 [ 298.252463] 0 [ 298.254255] ? kasan_check_read+0x11/0x20 [ 298.258468] 0 [ 298.260268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.264387] Node 0 [ 298.266184] ? should_fail+0x22d/0xd01 [ 298.271692] DMA: [ 298.273935] ? rcu_bh_qs+0xc0/0xc0 [ 298.277795] 1*4kB [ 298.279850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.283362] (U) [ 298.285505] ? __lock_acquire+0x7ec/0x4ec0 [ 298.290584] 0*8kB [ 298.292557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.296763] 0*16kB [ 298.298903] ? __lock_acquire+0x7ec/0x4ec0 [ 298.303974] 1*32kB (U) [ 298.306213] ? should_fail+0x22d/0xd01 [ 298.310422] 2*64kB [ 298.313004] ? rcu_idle_enter+0x4b0/0x4b0 [ 298.316866] (U) [ 298.319100] ? mark_held_locks+0x130/0x130 [ 298.323221] 1*128kB [ 298.325188] ? mark_held_locks+0x130/0x130 [ 298.329405] (U) [ 298.331726] ? mark_held_locks+0xc7/0x130 [ 298.335935] 1*256kB (U) [ 298.337945] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 298.342057] 0*512kB [ 298.344722] ? graph_lock+0x170/0x170 [ 298.349718] 1*1024kB [ 298.352035] ? print_usage_bug+0xc0/0xc0 [ 298.355811] (U) [ 298.358218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.362251] 1*2048kB [ 298.364227] ? check_preemption_disabled+0x48/0x200 [ 298.369737] (M) [ 298.372143] ? check_preemption_disabled+0x48/0x200 [ 298.377132] 3*4096kB [ 298.379106] ? __lock_is_held+0xb5/0x140 [ 298.384092] (M) [ 298.386499] __alloc_pages_nodemask+0xa80/0xde0 [ 298.390539] = 15908kB [ 298.392510] ? graph_lock+0x170/0x170 [ 298.397157] Node 0 [ 298.399561] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.403337] DMA32: [ 298.405568] ? graph_lock+0x170/0x170 [ 298.410563] 5*4kB [ 298.412800] ? find_held_lock+0x36/0x1c0 [ 298.416740] (UM) [ 298.418891] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.422918] 0*8kB [ 298.424994] ? lock_downgrade+0x900/0x900 [ 298.429630] 3*16kB (UM) [ 298.431786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.435902] 2*32kB [ 298.438582] cache_grow_begin+0x91/0x8c0 [ 298.444092] (M) [ 298.446323] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.450352] 5*64kB (UM) [ 298.452335] fallback_alloc+0x203/0x2e0 [ 298.456719] 3*128kB [ 298.459397] ____cache_alloc_node+0x1c7/0x1e0 [ 298.463334] (M) [ 298.465657] kmem_cache_alloc_node+0xe3/0x730 [ 298.470127] 3*256kB [ 298.472097] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.476561] (M) [ 298.478883] __alloc_skb+0x119/0x770 [ 298.483084] 4*512kB [ 298.485056] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.488739] (UM) [ 298.491060] ? skb_scrub_packet+0x490/0x490 [ 298.496315] 3*1024kB [ 298.498369] ? lock_downgrade+0x900/0x900 [ 298.502677] (UM) [ 298.505088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.509208] 1*2048kB [ 298.511268] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.516778] (M) [ 298.519183] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.524606] 4*4096kB [ 298.526579] ? addrconf_rs_timer+0x690/0x690 [ 298.532003] (M) [ 298.534415] ndisc_alloc_skb+0x144/0x340 [ 298.538789] = 25156kB [ 298.540769] ndisc_send_rs+0x331/0x6e0 [ 298.544804] Node 0 [ 298.547209] addrconf_rs_timer+0x314/0x690 [ 298.551067] Normal: [ 298.553301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.557506] 1005*4kB [ 298.559833] call_timer_fn+0x272/0x920 [ 298.564036] (MEH) [ 298.566439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.570305] 451*8kB [ 298.572448] ? process_timeout+0x40/0x40 [ 298.572465] ? find_held_lock+0x36/0x1c0 [ 298.576674] (ME) [ 298.578997] ? mark_held_locks+0xc7/0x130 [ 298.583028] 184*16kB [ 298.587080] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.589116] (UME) [ 298.593255] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.595647] 94*32kB [ 298.600134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.602262] (UME) [ 298.606752] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.609067] 5*64kB [ 298.613303] ? trace_hardirqs_on+0xbd/0x310 [ 298.615425] (UM) [ 298.619999] ? kasan_check_read+0x11/0x20 [ 298.622209] 0*128kB 0*256kB [ 298.626531] ? __run_timers+0x7da/0xc70 [ 298.628567] 0*512kB [ 298.632705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.635697] 0*1024kB 0*2048kB [ 298.639671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.641962] 0*4096kB = 13900kB [ 298.647413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.650587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.654812] __run_timers+0x7e5/0xc70 [ 298.657988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.662222] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.671026] 4241 total pagecache pages [ 298.674817] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.683370] 0 pages in swap cache [ 298.688721] ? graph_lock+0x170/0x170 [ 298.692582] Swap cache stats: add 0, delete 0, find 0/0 [ 298.692590] Free swap = 0kB [ 298.697602] ? print_usage_bug+0xc0/0xc0 [ 298.701031] Total swap = 0kB [ 298.704820] ? lock_release+0x970/0x970 [ 298.710156] 1965979 pages RAM [ 298.713167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.717198] 0 pages HighMem/MovableOnly [ 298.717206] 342307 pages reserved [ 298.720221] ? find_held_lock+0x36/0x1c0 [ 298.724176] 0 pages cma reserved [ 298.727274] ? graph_lock+0x170/0x170 [ 298.732507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.736410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.739895] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.743898] ? check_preemption_disabled+0x48/0x200 [ 298.747235] syz-executor5 cpuset= [ 298.751035] ? __lock_is_held+0xb5/0x140 [ 298.757492] syz5 [ 298.763028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.773490] mems_allowed=0 [ 298.778506] ? check_preemption_disabled+0x48/0x200 [ 298.801405] run_timer_softirq+0x52/0xb0 [ 298.805468] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.810494] __do_softirq+0x30b/0xad8 [ 298.814306] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.819415] ? pvclock_read_flags+0x160/0x160 [ 298.823911] ? lapic_next_event+0x5a/0x90 [ 298.828071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.833614] ? check_preemption_disabled+0x48/0x200 [ 298.838629] ? check_preemption_disabled+0x48/0x200 [ 298.843648] ? kvm_clock_read+0x18/0x30 [ 298.847623] ? kvm_sched_clock_read+0x9/0x20 [ 298.852036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.857573] ? check_preemption_disabled+0x48/0x200 [ 298.862604] irq_exit+0x17f/0x1c0 [ 298.866059] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.870900] ? smp_reschedule_interrupt+0x109/0x650 [ 298.875959] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.881842] ? interrupt_entry+0xb5/0xf0 [ 298.885904] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.890941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.895968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.900813] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.905831] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.910848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.916388] ? check_preemption_disabled+0x48/0x200 [ 298.921422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.926970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.931820] apic_timer_interrupt+0xf/0x20 [ 298.936051] [ 298.938290] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 298.943304] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 298.962202] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 298.969915] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 298.977195] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 298.984464] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 298.991750] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 298.999026] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 299.006310] ? list_lru_count_one+0x36d/0x450 [ 299.010804] ? list_lru_count_one+0x260/0x450 [ 299.015318] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.021112] ? kasan_check_read+0x11/0x20 [ 299.025268] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.030545] ? rcu_bh_qs+0xc0/0xc0 [ 299.034097] list_lru_count_one+0x265/0x450 [ 299.038420] ? list_lru_add+0x980/0x980 [ 299.042404] ? deferred_split_count+0x65/0x170 [ 299.046988] ? shrink_huge_zero_page_count+0xc8/0x100 [ 299.052182] super_cache_count+0x153/0x2e0 [ 299.056424] do_shrink_slab+0x1a7/0xd20 [ 299.060405] ? lock_release+0x970/0x970 [ 299.064382] ? snapshot_refaults+0x290/0x290 [ 299.068801] ? ___might_sleep+0x1ed/0x300 [ 299.072969] ? down_read_trylock+0xff/0x1e0 [ 299.077288] ? shrink_slab+0x207/0x8c0 [ 299.081178] ? downgrade_write+0x2b0/0x2b0 [ 299.085419] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.090967] ? shrink_node_memcg+0xc82/0x18e0 [ 299.095480] shrink_slab+0x389/0x8c0 [ 299.099193] ? shrink_active_list+0x1c20/0x1c20 [ 299.103872] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 299.109509] ? kasan_check_read+0x11/0x20 [ 299.113658] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.118075] ? ___preempt_schedule+0x16/0x18 [ 299.122490] ? _raw_spin_unlock+0x3f/0x50 [ 299.126649] shrink_node+0x431/0x16b0 [ 299.130453] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 299.135757] ? shrink_node_memcg+0x18e0/0x18e0 [ 299.140344] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.144943] ? trace_hardirqs_on+0xbd/0x310 [ 299.149272] ? vmpressure+0x271/0x340 [ 299.153081] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 299.157670] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.163207] ? __cpuset_node_allowed+0x19b/0x660 [ 299.167973] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 299.173683] ? vmpressure+0x1a2/0x340 [ 299.177500] do_try_to_free_pages+0x3e7/0x1290 [ 299.182104] ? shrink_node+0x16b0/0x16b0 [ 299.186170] ? __lock_is_held+0xb5/0x140 [ 299.190245] try_to_free_pages+0x4d0/0xb90 [ 299.194483] ? do_try_to_free_pages+0x1290/0x1290 [ 299.199324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.204873] ? lock_acquire+0x1ed/0x520 [ 299.208849] ? set_page_refcounted+0x280/0x280 [ 299.213440] ? lock_release+0x970/0x970 [ 299.217424] ? ___might_sleep+0x1ed/0x300 [ 299.221574] ? arch_local_save_flags+0x40/0x40 [ 299.226174] __alloc_pages_slowpath+0x993/0x2d80 [ 299.230975] ? warn_alloc+0x120/0x120 [ 299.234776] ? __radix_tree_lookup+0x4c0/0x4c0 [ 299.239370] ? find_get_entry+0x2f2/0xc40 [ 299.243526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.249066] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 299.253998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.259538] ? should_fail+0x22d/0xd01 [ 299.263429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.268532] ? __lock_is_held+0xb5/0x140 [ 299.272619] ? __lock_is_held+0xb5/0x140 [ 299.276688] ? __lock_acquire+0x7ec/0x4ec0 [ 299.280936] ? ___might_sleep+0x1ed/0x300 [ 299.285087] ? lock_release+0x970/0x970 [ 299.289065] ? arch_local_save_flags+0x40/0x40 [ 299.293657] ? __might_sleep+0x95/0x190 [ 299.297641] __alloc_pages_nodemask+0xa80/0xde0 [ 299.302319] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.307782] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.313576] ? kasan_check_read+0x11/0x20 [ 299.317726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.323007] ? graph_lock+0x170/0x170 [ 299.326807] ? print_usage_bug+0xc0/0xc0 [ 299.330874] ? graph_lock+0x170/0x170 [ 299.334671] ? graph_lock+0x170/0x170 [ 299.338476] ? __do_page_cache_readahead+0x7ce/0x980 [ 299.343599] ? find_held_lock+0x36/0x1c0 [ 299.347670] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 299.353211] alloc_pages_current+0x10c/0x210 [ 299.357633] ? lock_downgrade+0x900/0x900 [ 299.361784] __page_cache_alloc+0x38f/0x5b0 [ 299.366111] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.371907] ? kasan_check_read+0x11/0x20 [ 299.376067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.381350] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 299.386020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.391563] ? check_preemption_disabled+0x48/0x200 [ 299.396593] filemap_fault+0x1594/0x25f0 [ 299.400668] ? __lock_page_or_retry+0xa00/0xa00 [ 299.405336] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.411139] ? kasan_check_read+0x11/0x20 [ 299.415287] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.420564] ? ep_scan_ready_list+0xbeb/0x1050 [ 299.425144] ? rcu_bh_qs+0xc0/0xc0 [ 299.428683] ? lock_downgrade+0x900/0x900 [ 299.432834] ? graph_lock+0x170/0x170 [ 299.436643] ? filemap_map_pages+0xdea/0x1980 [ 299.441275] ? find_get_pages_range_tag+0x1320/0x1320 [ 299.446470] ? wait_for_completion+0x8a0/0x8a0 [ 299.451086] ? graph_lock+0x170/0x170 [ 299.454888] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.459480] ? kasan_check_read+0x11/0x20 [ 299.463629] ? ep_scan_ready_list+0xbc7/0x1050 [ 299.468226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.473690] ? lock_acquire+0x1ed/0x520 [ 299.477678] ? ext4_filemap_fault+0x7a/0xad [ 299.482003] ? lock_release+0x970/0x970 [ 299.485982] ? arch_local_save_flags+0x40/0x40 [ 299.490579] ? ep_poll_callback+0x10e0/0x10e0 [ 299.495109] ? down_read+0xb0/0x1d0 [ 299.498746] ? ext4_filemap_fault+0x7a/0xad [ 299.503087] ? __down_interruptible+0x700/0x700 [ 299.507767] ? get_futex_key+0x21b0/0x21b0 [ 299.512020] ext4_filemap_fault+0x82/0xad [ 299.516174] __do_fault+0x100/0x6b0 [ 299.519805] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.524300] ? print_bad_pte+0x6c0/0x6c0 [ 299.528361] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.532955] ? trace_hardirqs_on+0xbd/0x310 [ 299.537273] ? kasan_check_read+0x11/0x20 [ 299.541419] ? pmd_val+0x88/0x100 [ 299.544872] ? add_mm_counter_fast+0xd0/0xd0 [ 299.549279] ? pmd_val+0x88/0x100 [ 299.552737] ? add_mm_counter_fast+0xd0/0xd0 [ 299.557153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.562701] __handle_mm_fault+0x3709/0x53e0 [ 299.567120] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 299.571966] ? graph_lock+0x170/0x170 [ 299.575767] ? print_usage_bug+0xc0/0xc0 [ 299.579832] ? rcu_bh_qs+0xc0/0xc0 [ 299.583376] ? graph_lock+0x170/0x170 [ 299.587177] ? graph_lock+0x170/0x170 [ 299.591009] ? handle_mm_fault+0x42a/0xc70 [ 299.595243] ? lock_downgrade+0x900/0x900 [ 299.599396] ? check_preemption_disabled+0x48/0x200 [ 299.604420] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.610244] ? kasan_check_read+0x11/0x20 [ 299.614392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.619668] ? rcu_bh_qs+0xc0/0xc0 [ 299.623212] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.628668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.634206] ? check_preemption_disabled+0x48/0x200 [ 299.639231] handle_mm_fault+0x54f/0xc70 [ 299.643298] ? __handle_mm_fault+0x53e0/0x53e0 [ 299.647886] ? find_vma+0x34/0x190 [ 299.651433] __do_page_fault+0x67d/0xed0 [ 299.655509] ? mm_fault_error+0x380/0x380 [ 299.659656] ? trace_hardirqs_off+0xb8/0x310 [ 299.664067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.669427] ? trace_hardirqs_on+0x310/0x310 [ 299.673840] do_page_fault+0xf2/0x7e0 [ 299.677648] ? vmalloc_sync_all+0x30/0x30 [ 299.681798] ? error_entry+0x70/0xd0 [ 299.685514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.690531] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.695475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.700408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.705262] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.710276] ? trace_hardirqs_off+0x310/0x310 [ 299.714775] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.719789] ? page_fault+0x8/0x30 [ 299.723333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.728177] ? page_fault+0x8/0x30 [ 299.731719] page_fault+0x1e/0x30 [ 299.735171] RIP: 0033:0x45df89 [ 299.738368] Code: Bad RIP value. [ 299.741731] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 299.747092] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 299.754357] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 299.761621] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 299.768885] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 299.776150] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 299.783459] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 299.783529] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.790646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.790651] Call Trace: [ 299.790657] [ 299.790677] dump_stack+0x1c4/0x2b4 [ 299.790696] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.797231] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.806549] warn_alloc.cold.119+0xb7/0x1bd [ 299.809102] syz-fuzzer cpuset= [ 299.811245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.814843] / [ 299.820025] ? lock_downgrade+0x900/0x900 [ 299.830228] mems_allowed=0 [ 299.834547] ? trace_hardirqs_off+0xb8/0x310 [ 299.855691] ? trace_hardirqs_off+0xb8/0x310 [ 299.860112] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.864988] ? warn_alloc+0x120/0x120 [ 299.868799] ? warn_alloc+0x120/0x120 [ 299.872606] ? print_usage_bug+0xc0/0xc0 [ 299.876669] ? warn_alloc+0x120/0x120 [ 299.880474] ? print_usage_bug+0xc0/0xc0 [ 299.884536] ? __lock_acquire+0x7ec/0x4ec0 [ 299.888773] ? __lock_acquire+0x7ec/0x4ec0 [ 299.893015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.898556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.904096] ? should_fail+0x22d/0xd01 [ 299.907990] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.913093] ? __lock_acquire+0x7ec/0x4ec0 [ 299.917335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.922441] ? __lock_acquire+0x7ec/0x4ec0 [ 299.926674] ? should_fail+0x22d/0xd01 [ 299.930610] ? mark_held_locks+0x130/0x130 [ 299.934853] ? mark_held_locks+0x130/0x130 [ 299.939088] ? graph_lock+0x170/0x170 [ 299.942892] ? print_usage_bug+0xc0/0xc0 [ 299.946973] ? graph_lock+0x170/0x170 [ 299.950775] ? print_usage_bug+0xc0/0xc0 [ 299.954835] ? wq_watchdog_touch+0x9c/0xfe [ 299.959072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.964613] ? check_preemption_disabled+0x48/0x200 [ 299.969629] ? check_preemption_disabled+0x48/0x200 [ 299.974657] ? __lock_is_held+0xb5/0x140 [ 299.978723] __alloc_pages_nodemask+0xa80/0xde0 [ 299.983393] ? graph_lock+0x170/0x170 [ 299.987200] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.992212] ? graph_lock+0x170/0x170 [ 299.996027] ? find_held_lock+0x36/0x1c0 [ 300.000097] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.004768] ? lock_downgrade+0x900/0x900 [ 300.008930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.014475] cache_grow_begin+0x91/0x8c0 [ 300.018539] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.022969] fallback_alloc+0x203/0x2e0 [ 300.026967] ____cache_alloc_node+0x1c7/0x1e0 [ 300.031470] kmem_cache_alloc_node+0xe3/0x730 [ 300.035971] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.040224] __alloc_skb+0x119/0x770 [ 300.043947] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.049227] ? skb_scrub_packet+0x490/0x490 [ 300.053549] ? lock_downgrade+0x900/0x900 [ 300.057703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.063239] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.068694] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.074150] ? addrconf_rs_timer+0x690/0x690 [ 300.078575] ndisc_alloc_skb+0x144/0x340 [ 300.082646] ndisc_send_rs+0x331/0x6e0 [ 300.086541] addrconf_rs_timer+0x314/0x690 [ 300.090784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.095034] call_timer_fn+0x272/0x920 [ 300.098933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.103170] ? process_timeout+0x40/0x40 [ 300.107228] ? find_held_lock+0x36/0x1c0 [ 300.111301] ? __run_timers+0x7da/0xc70 [ 300.115276] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.119770] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.124265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.128503] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.133091] ? trace_hardirqs_on+0xbd/0x310 [ 300.137414] ? kasan_check_read+0x11/0x20 [ 300.141576] ? __run_timers+0x7da/0xc70 [ 300.145550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.151017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.155261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.159495] __run_timers+0x7e5/0xc70 [ 300.163308] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.168674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.173690] ? graph_lock+0x170/0x170 [ 300.177497] ? enqueue_hrtimer+0x1a5/0x560 [ 300.181732] ? lock_release+0x970/0x970 [ 300.185705] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.190903] ? find_held_lock+0x36/0x1c0 [ 300.194984] ? graph_lock+0x170/0x170 [ 300.198790] ? pvclock_read_flags+0x160/0x160 [ 300.203287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.208826] ? check_preemption_disabled+0x48/0x200 [ 300.213859] ? __lock_is_held+0xb5/0x140 [ 300.217929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.223473] ? check_preemption_disabled+0x48/0x200 [ 300.228496] run_timer_softirq+0x52/0xb0 [ 300.232557] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.237580] __do_softirq+0x30b/0xad8 [ 300.241391] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.246502] ? pvclock_read_flags+0x160/0x160 [ 300.251000] ? lapic_next_event+0x5a/0x90 [ 300.255154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.260695] ? check_preemption_disabled+0x48/0x200 [ 300.265710] ? check_preemption_disabled+0x48/0x200 [ 300.270736] ? kvm_clock_read+0x18/0x30 [ 300.274713] ? kvm_sched_clock_read+0x9/0x20 [ 300.279123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.284660] ? check_preemption_disabled+0x48/0x200 [ 300.289690] irq_exit+0x17f/0x1c0 [ 300.293146] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.297990] ? smp_reschedule_interrupt+0x109/0x650 [ 300.303010] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.308895] ? interrupt_entry+0xb5/0xf0 [ 300.312965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.317984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.323007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.327860] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.332888] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.337912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.343477] ? check_preemption_disabled+0x48/0x200 [ 300.348492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.354038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.358890] apic_timer_interrupt+0xf/0x20 [ 300.363128] [ 300.365372] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.370315] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 300.389229] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.396943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.404210] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 300.411479] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 300.418743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.426018] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.433331] skb_clone+0x1bb/0x500 [ 300.436873] ? finish_task_switch+0x1b5/0x900 [ 300.441370] ? skb_split+0x11e0/0x11e0 [ 300.445264] ? preempt_notifier_register+0x200/0x200 [ 300.450366] ? __switch_to_asm+0x34/0x70 [ 300.454429] ? __switch_to_asm+0x34/0x70 [ 300.458507] ? __switch_to_asm+0x40/0x70 [ 300.462590] ? __switch_to_asm+0x34/0x70 [ 300.466652] ? __switch_to_asm+0x40/0x70 [ 300.470710] ? __switch_to_asm+0x34/0x70 [ 300.474802] ? __switch_to_asm+0x40/0x70 [ 300.478875] ? __switch_to_asm+0x34/0x70 [ 300.482943] ? __switch_to_asm+0x34/0x70 [ 300.487004] ? __switch_to_asm+0x40/0x70 [ 300.491060] ? __switch_to_asm+0x34/0x70 [ 300.495137] bpf_clone_redirect+0xb9/0x490 [ 300.499378] ? __schedule+0x874/0x1ed0 [ 300.503274] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 300.508291] ? __sched_text_start+0x8/0x8 [ 300.512472] ? find_held_lock+0x36/0x1c0 [ 300.516556] ? lock_acquire+0x1ed/0x520 [ 300.520529] ? bpf_test_run+0x32e/0x5a0 [ 300.524506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.530060] ? check_preemption_disabled+0x48/0x200 [ 300.535082] ? kasan_check_read+0x11/0x20 [ 300.539233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.544508] ? rcu_bh_qs+0xc0/0xc0 [ 300.548076] ? preempt_schedule+0x4d/0x60 [ 300.552227] ? ___preempt_schedule+0x16/0x18 [ 300.556645] ? bpf_test_run+0x1c0/0x5a0 [ 300.560630] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.565042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.570580] ? bpf_test_init.isra.9+0x70/0x100 [ 300.575170] ? bpf_prog_test_run_skb+0x634/0xb40 [ 300.579942] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.584784] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.590318] ? fput+0x130/0x1a0 [ 300.593602] ? __bpf_prog_get+0x9b/0x290 [ 300.597664] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.602503] ? bpf_prog_test_run+0x130/0x1a0 [ 300.606914] ? __x64_sys_bpf+0x3d8/0x510 [ 300.610988] ? bpf_prog_get+0x20/0x20 [ 300.614815] ? do_syscall_64+0x1b9/0x820 [ 300.618873] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.624242] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.629176] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.634209] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.639224] ? recalc_sigpending_tsk+0x180/0x180 [ 300.643982] ? kasan_check_write+0x14/0x20 [ 300.648226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.653081] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.658463] warn_alloc_show_mem: 1 callbacks suppressed [ 300.658475] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 300.658477] Mem-Info: [ 300.658508] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 300.658508] active_file:13 inactive_file:13 isolated_file:1 [ 300.658508] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.658508] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 300.658508] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 300.658508] free:13741 free_pcp:221 free_cma:0 [ 300.663853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.670783] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.673180] Call Trace: [ 300.706229] Node 0 [ 300.715571] [ 300.743420] 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 [ 300.745981] dump_stack+0x1c4/0x2b4 [ 300.748180] lowmem_reserve[]: 0 [ 300.750337] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.775803] 2819 6323 [ 300.779444] warn_alloc.cold.119+0xb7/0x1bd [ 300.782694] 6323 [ 300.787879] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.790355] Node 0 [ 300.794674] ? lock_downgrade+0x900/0x900 [ 300.796738] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.801564] ? trace_hardirqs_off+0xb8/0x310 [ 300.803763] lowmem_reserve[]: 0 [ 300.807937] ? trace_hardirqs_off+0xb8/0x310 [ 300.834973] 0 [ 300.839393] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.842627] 3503 3503 [ 300.847066] ? warn_alloc+0x120/0x120 [ 300.848814] Node 0 [ 300.853656] ? warn_alloc+0x120/0x120 [ 300.856151] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 300.859930] ? print_usage_bug+0xc0/0xc0 [ 300.862144] lowmem_reserve[]: [ 300.865961] ? warn_alloc+0x120/0x120 [ 300.894395] 0 [ 300.898464] ? print_usage_bug+0xc0/0xc0 [ 300.901531] 0 0 [ 300.905375] ? __lock_acquire+0x7ec/0x4ec0 [ 300.907146] 0 [ 300.911205] ? __lock_acquire+0x7ec/0x4ec0 [ 300.917392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.919168] Node 0 [ 300.923405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.928915] DMA: [ 300.931168] ? should_fail+0x22d/0xd01 [ 300.936680] 1*4kB [ 300.938746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.942615] (U) [ 300.944765] ? __lock_acquire+0x7ec/0x4ec0 [ 300.949835] 0*8kB 0*16kB [ 300.951824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.956025] 1*32kB [ 300.958795] ? __lock_acquire+0x7ec/0x4ec0 [ 300.963868] (U) [ 300.966104] ? should_fail+0x22d/0xd01 [ 300.970307] 2*64kB [ 300.972287] ? mark_held_locks+0x130/0x130 [ 300.976135] (U) [ 300.978373] ? mark_held_locks+0x130/0x130 [ 300.982580] 1*128kB [ 300.984552] ? graph_lock+0x170/0x170 [ 300.988758] (U) [ 300.991076] ? print_usage_bug+0xc0/0xc0 [ 300.994846] 1*256kB (U) [ 300.996822] ? graph_lock+0x170/0x170 [ 301.000853] 0*512kB 1*1024kB [ 301.003539] ? print_usage_bug+0xc0/0xc0 [ 301.007306] (U) 1*2048kB [ 301.010418] ? wq_watchdog_touch+0x9c/0xfe [ 301.014473] (M) [ 301.017225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.021428] 3*4096kB (M) [ 301.023441] ? check_preemption_disabled+0x48/0x200 [ 301.028967] = 15908kB [ 301.031720] ? check_preemption_disabled+0x48/0x200 [ 301.036705] Node 0 [ 301.039121] ? __lock_is_held+0xb5/0x140 [ 301.044096] DMA32: 5*4kB [ 301.046336] __alloc_pages_nodemask+0xa80/0xde0 [ 301.050364] (UM) [ 301.053117] ? graph_lock+0x170/0x170 [ 301.057754] 0*8kB 3*16kB [ 301.059823] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.063596] (UM) [ 301.066347] ? graph_lock+0x170/0x170 [ 301.071337] 2*32kB [ 301.073400] ? find_held_lock+0x36/0x1c0 [ 301.077170] (M) [ 301.079405] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.083439] 5*64kB [ 301.085411] ? lock_downgrade+0x900/0x900 [ 301.090055] (UM) [ 301.092293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.096410] 3*128kB [ 301.098469] cache_grow_begin+0x91/0x8c0 [ 301.103975] (M) [ 301.106291] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.110323] 3*256kB [ 301.112298] fallback_alloc+0x203/0x2e0 [ 301.116674] (M) [ 301.118993] ____cache_alloc_node+0x1c7/0x1e0 [ 301.122938] 4*512kB (UM) [ 301.124918] kmem_cache_alloc_node+0xe3/0x730 [ 301.129398] 3*1024kB [ 301.132148] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.136619] (UM) [ 301.139207] __alloc_skb+0x119/0x770 [ 301.143403] 1*2048kB (M) [ 301.145469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.149153] 4*4096kB [ 301.151906] ? skb_scrub_packet+0x490/0x490 [ 301.157158] (M) = 25156kB [ 301.159570] ? lock_downgrade+0x900/0x900 [ 301.163865] Node 0 [ 301.166620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.170737] Normal: [ 301.172969] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.178478] 1005*4kB [ 301.180796] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.186222] (MEH) [ 301.188631] ? addrconf_rs_timer+0x690/0x690 [ 301.194053] 451*8kB [ 301.196208] ndisc_alloc_skb+0x144/0x340 [ 301.200583] (ME) [ 301.202905] ndisc_send_rs+0x331/0x6e0 [ 301.206936] 184*16kB (UME) [ 301.209008] addrconf_rs_timer+0x314/0x690 [ 301.212865] 94*32kB (UME) [ 301.215799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.220010] 5*64kB [ 301.222855] call_timer_fn+0x272/0x920 [ 301.227053] (UM) [ 301.229284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.233138] 0*128kB 0*256kB [ 301.235205] ? process_timeout+0x40/0x40 [ 301.239411] 0*512kB 0*1024kB [ 301.242430] ? find_held_lock+0x36/0x1c0 [ 301.246472] 0*2048kB [ 301.249576] ? mark_held_locks+0xc7/0x130 [ 301.253610] 0*4096kB [ 301.256022] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.260145] = 13900kB [ 301.262557] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.267042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.269445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.273913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.273931] 4241 total pagecache pages [ 301.282767] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.286976] 0 pages in swap cache [ 301.295544] ? trace_hardirqs_on+0xbd/0x310 [ 301.299405] Swap cache stats: add 0, delete 0, find 0/0 [ 301.299413] Free swap = 0kB [ 301.304030] ? kasan_check_read+0x11/0x20 [ 301.307611] Total swap = 0kB [ 301.307619] 1965979 pages RAM [ 301.311963] ? __run_timers+0x7da/0xc70 [ 301.317298] 0 pages HighMem/MovableOnly [ 301.317307] 342307 pages reserved [ 301.320325] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.327928] 0 pages cma reserved [ 301.330959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.334101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.338007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.342043] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.345409] __run_timers+0x7e5/0xc70 [ 301.350833] syz-executor5 cpuset= [ 301.354202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.358401] syz5 [ 301.364886] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.369099] mems_allowed=0 [ 301.379576] ? graph_lock+0x170/0x170 [ 301.405800] ? print_usage_bug+0xc0/0xc0 [ 301.409864] ? lock_release+0x970/0x970 [ 301.413842] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.419042] ? find_held_lock+0x36/0x1c0 [ 301.423109] ? graph_lock+0x170/0x170 [ 301.426913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.432471] ? check_preemption_disabled+0x48/0x200 [ 301.437500] ? __lock_is_held+0xb5/0x140 [ 301.441767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.447308] ? check_preemption_disabled+0x48/0x200 [ 301.452334] run_timer_softirq+0x52/0xb0 [ 301.456399] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.461430] __do_softirq+0x30b/0xad8 [ 301.465242] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.470354] ? pvclock_read_flags+0x160/0x160 [ 301.474849] ? lapic_next_event+0x5a/0x90 [ 301.479002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.484538] ? check_preemption_disabled+0x48/0x200 [ 301.489552] ? check_preemption_disabled+0x48/0x200 [ 301.494575] ? kvm_clock_read+0x18/0x30 [ 301.498563] ? kvm_sched_clock_read+0x9/0x20 [ 301.502979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.508518] ? check_preemption_disabled+0x48/0x200 [ 301.513550] irq_exit+0x17f/0x1c0 [ 301.517004] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.521845] ? smp_reschedule_interrupt+0x109/0x650 [ 301.526862] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.532748] ? interrupt_entry+0xb5/0xf0 [ 301.536863] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.541876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.546896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.551754] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.556770] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.561786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.567329] ? check_preemption_disabled+0x48/0x200 [ 301.572344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.577889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.582747] apic_timer_interrupt+0xf/0x20 [ 301.586975] [ 301.589216] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 301.594234] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 301.613134] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 301.620842] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 301.628114] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 301.635381] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 301.642650] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 301.649915] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 301.657219] ? list_lru_count_one+0x36d/0x450 [ 301.661718] ? list_lru_count_one+0x260/0x450 [ 301.666228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 301.672023] ? kasan_check_read+0x11/0x20 [ 301.676177] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.681454] ? rcu_bh_qs+0xc0/0xc0 [ 301.685013] list_lru_count_one+0x265/0x450 [ 301.689340] ? list_lru_add+0x980/0x980 [ 301.693319] ? deferred_split_count+0x65/0x170 [ 301.697902] ? shrink_huge_zero_page_count+0xc8/0x100 [ 301.703118] super_cache_count+0x153/0x2e0 [ 301.707362] do_shrink_slab+0x1a7/0xd20 [ 301.711344] ? lock_release+0x970/0x970 [ 301.715323] ? snapshot_refaults+0x290/0x290 [ 301.719756] ? ___might_sleep+0x1ed/0x300 [ 301.723910] ? down_read_trylock+0xff/0x1e0 [ 301.728245] ? shrink_slab+0x207/0x8c0 [ 301.732149] ? downgrade_write+0x2b0/0x2b0 [ 301.736386] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.741930] ? shrink_node_memcg+0xc82/0x18e0 [ 301.746448] shrink_slab+0x389/0x8c0 [ 301.750165] ? shrink_active_list+0x1c20/0x1c20 [ 301.754846] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 301.760477] ? kasan_check_read+0x11/0x20 [ 301.764631] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.769050] ? ___preempt_schedule+0x16/0x18 [ 301.773464] ? _raw_spin_unlock+0x3f/0x50 [ 301.777626] shrink_node+0x431/0x16b0 [ 301.781429] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 301.786733] ? shrink_node_memcg+0x18e0/0x18e0 [ 301.791315] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.795900] ? trace_hardirqs_on+0xbd/0x310 [ 301.800237] ? vmpressure+0x271/0x340 [ 301.804045] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 301.808638] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.814184] ? __cpuset_node_allowed+0x19b/0x660 [ 301.818967] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 301.824691] ? vmpressure+0x1a2/0x340 [ 301.828514] do_try_to_free_pages+0x3e7/0x1290 [ 301.833128] ? shrink_node+0x16b0/0x16b0 [ 301.837194] ? __lock_is_held+0xb5/0x140 [ 301.841272] try_to_free_pages+0x4d0/0xb90 [ 301.845512] ? do_try_to_free_pages+0x1290/0x1290 [ 301.850359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.855910] ? lock_acquire+0x1ed/0x520 [ 301.859894] ? set_page_refcounted+0x280/0x280 [ 301.864493] ? lock_release+0x970/0x970 [ 301.868476] ? ___might_sleep+0x1ed/0x300 [ 301.872628] ? arch_local_save_flags+0x40/0x40 [ 301.877223] __alloc_pages_slowpath+0x993/0x2d80 [ 301.882013] ? warn_alloc+0x120/0x120 [ 301.885814] ? __radix_tree_lookup+0x4c0/0x4c0 [ 301.890416] ? find_get_entry+0x2f2/0xc40 [ 301.894574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.900115] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 301.905049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.910586] ? should_fail+0x22d/0xd01 [ 301.914481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.919589] ? __lock_is_held+0xb5/0x140 [ 301.923679] ? __lock_is_held+0xb5/0x140 [ 301.927749] ? __lock_acquire+0x7ec/0x4ec0 [ 301.931986] ? ___might_sleep+0x1ed/0x300 [ 301.936131] ? lock_release+0x970/0x970 [ 301.940105] ? arch_local_save_flags+0x40/0x40 [ 301.944698] ? __might_sleep+0x95/0x190 [ 301.948679] __alloc_pages_nodemask+0xa80/0xde0 [ 301.953355] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.958373] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 301.964171] ? kasan_check_read+0x11/0x20 [ 301.968320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.973600] ? graph_lock+0x170/0x170 [ 301.977401] ? print_usage_bug+0xc0/0xc0 [ 301.981464] ? graph_lock+0x170/0x170 [ 301.985266] ? graph_lock+0x170/0x170 [ 301.989070] ? __do_page_cache_readahead+0x7ce/0x980 [ 301.994181] ? find_held_lock+0x36/0x1c0 [ 301.998250] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 302.003795] alloc_pages_current+0x10c/0x210 [ 302.008202] ? lock_downgrade+0x900/0x900 [ 302.012356] __page_cache_alloc+0x38f/0x5b0 [ 302.016682] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.022485] ? kasan_check_read+0x11/0x20 [ 302.026648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.031952] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 302.036635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.042177] ? check_preemption_disabled+0x48/0x200 [ 302.047202] filemap_fault+0x1594/0x25f0 [ 302.051281] ? __lock_page_or_retry+0xa00/0xa00 [ 302.055965] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.061762] ? kasan_check_read+0x11/0x20 [ 302.065916] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.071208] ? ep_scan_ready_list+0xbeb/0x1050 [ 302.075791] ? rcu_bh_qs+0xc0/0xc0 [ 302.079334] ? lock_downgrade+0x900/0x900 [ 302.083486] ? graph_lock+0x170/0x170 [ 302.087296] ? filemap_map_pages+0xdea/0x1980 [ 302.091812] ? find_get_pages_range_tag+0x1320/0x1320 [ 302.097009] ? wait_for_completion+0x8a0/0x8a0 [ 302.101609] ? graph_lock+0x170/0x170 [ 302.105414] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.110020] ? kasan_check_read+0x11/0x20 [ 302.114167] ? ep_scan_ready_list+0xbc7/0x1050 [ 302.118757] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.124231] ? lock_acquire+0x1ed/0x520 [ 302.128214] ? ext4_filemap_fault+0x7a/0xad [ 302.132554] ? lock_release+0x970/0x970 [ 302.136537] ? arch_local_save_flags+0x40/0x40 [ 302.141147] ? ep_poll_callback+0x10e0/0x10e0 [ 302.145662] ? down_read+0xb0/0x1d0 [ 302.149293] ? ext4_filemap_fault+0x7a/0xad [ 302.153619] ? __down_interruptible+0x700/0x700 [ 302.158291] ? get_futex_key+0x21b0/0x21b0 [ 302.162541] ext4_filemap_fault+0x82/0xad [ 302.166692] __do_fault+0x100/0x6b0 [ 302.170324] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.174821] ? print_bad_pte+0x6c0/0x6c0 [ 302.178888] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.183488] ? trace_hardirqs_on+0xbd/0x310 [ 302.187824] ? kasan_check_read+0x11/0x20 [ 302.191976] ? pmd_val+0x88/0x100 [ 302.195429] ? add_mm_counter_fast+0xd0/0xd0 [ 302.199835] ? pmd_val+0x88/0x100 [ 302.203289] ? add_mm_counter_fast+0xd0/0xd0 [ 302.207701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.213242] __handle_mm_fault+0x3709/0x53e0 [ 302.217662] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 302.222521] ? graph_lock+0x170/0x170 [ 302.226324] ? print_usage_bug+0xc0/0xc0 [ 302.230384] ? rcu_bh_qs+0xc0/0xc0 [ 302.233937] ? graph_lock+0x170/0x170 [ 302.237737] ? graph_lock+0x170/0x170 [ 302.241561] ? handle_mm_fault+0x42a/0xc70 [ 302.245803] ? lock_downgrade+0x900/0x900 [ 302.249967] ? check_preemption_disabled+0x48/0x200 [ 302.254992] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.260787] ? kasan_check_read+0x11/0x20 [ 302.264949] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.270234] ? rcu_bh_qs+0xc0/0xc0 [ 302.273779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.279232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.284863] ? check_preemption_disabled+0x48/0x200 [ 302.289889] handle_mm_fault+0x54f/0xc70 [ 302.293971] ? __handle_mm_fault+0x53e0/0x53e0 [ 302.298558] ? find_vma+0x34/0x190 [ 302.302105] __do_page_fault+0x67d/0xed0 [ 302.306175] ? mm_fault_error+0x380/0x380 [ 302.310325] ? trace_hardirqs_off+0xb8/0x310 [ 302.314740] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.320110] ? trace_hardirqs_on+0x310/0x310 [ 302.324525] do_page_fault+0xf2/0x7e0 [ 302.328328] ? vmalloc_sync_all+0x30/0x30 [ 302.332493] ? error_entry+0x70/0xd0 [ 302.336210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.341484] ? trace_hardirqs_on_caller+0xc0/0x310 [ 302.346414] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.351345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.356187] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.361201] ? trace_hardirqs_off+0x310/0x310 [ 302.365701] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.370720] ? page_fault+0x8/0x30 [ 302.374263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.379110] ? page_fault+0x8/0x30 [ 302.382681] page_fault+0x1e/0x30 [ 302.386131] RIP: 0033:0x45df89 [ 302.389328] Code: Bad RIP value. [ 302.392689] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 302.398051] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 302.405316] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 302.412585] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 302.419851] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 302.427121] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 302.434424] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 302.434490] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.441624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.441630] Call Trace: [ 302.441636] [ 302.441660] dump_stack+0x1c4/0x2b4 [ 302.441678] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.441705] warn_alloc.cold.119+0xb7/0x1bd [ 302.448232] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.457523] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.460085] syz-fuzzer cpuset= [ 302.462230] ? lock_downgrade+0x900/0x900 [ 302.465829] / [ 302.471019] ? trace_hardirqs_off+0xb8/0x310 [ 302.475314] mems_allowed=0 [ 302.485541] ? trace_hardirqs_off+0xb8/0x310 [ 302.511087] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.515982] ? warn_alloc+0x120/0x120 [ 302.519787] ? trace_hardirqs_on+0x310/0x310 [ 302.524214] ? warn_alloc+0x120/0x120 [ 302.528023] ? print_usage_bug+0xc0/0xc0 [ 302.532085] ? warn_alloc+0x120/0x120 [ 302.535887] ? ktime_get+0x2e1/0x440 [ 302.539607] ? print_usage_bug+0xc0/0xc0 [ 302.543676] ? __lock_acquire+0x7ec/0x4ec0 [ 302.547911] ? __lock_acquire+0x7ec/0x4ec0 [ 302.552151] ? kasan_check_read+0x11/0x20 [ 302.556302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.561839] ? should_fail+0x22d/0xd01 [ 302.565725] ? rcu_bh_qs+0xc0/0xc0 [ 302.569271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.574375] ? __lock_acquire+0x7ec/0x4ec0 [ 302.578617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.583719] ? __lock_acquire+0x7ec/0x4ec0 [ 302.587960] ? should_fail+0x22d/0xd01 [ 302.591852] ? rcu_idle_enter+0x4b0/0x4b0 [ 302.596013] ? mark_held_locks+0x130/0x130 [ 302.600258] ? mark_held_locks+0x130/0x130 [ 302.604529] ? mark_held_locks+0xc7/0x130 [ 302.608683] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 302.613703] ? graph_lock+0x170/0x170 [ 302.617505] ? print_usage_bug+0xc0/0xc0 [ 302.621567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.627107] ? check_preemption_disabled+0x48/0x200 [ 302.632131] ? check_preemption_disabled+0x48/0x200 [ 302.637158] ? __lock_is_held+0xb5/0x140 [ 302.641229] __alloc_pages_nodemask+0xa80/0xde0 [ 302.645898] ? graph_lock+0x170/0x170 [ 302.649712] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.654726] ? graph_lock+0x170/0x170 [ 302.658555] ? find_held_lock+0x36/0x1c0 [ 302.662630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.667297] ? lock_downgrade+0x900/0x900 [ 302.671456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.677003] cache_grow_begin+0x91/0x8c0 [ 302.681070] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.685489] fallback_alloc+0x203/0x2e0 [ 302.689472] ____cache_alloc_node+0x1c7/0x1e0 [ 302.693973] kmem_cache_alloc_node+0xe3/0x730 [ 302.698472] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.702719] __alloc_skb+0x119/0x770 [ 302.706438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.711720] ? skb_scrub_packet+0x490/0x490 [ 302.716040] ? lock_downgrade+0x900/0x900 [ 302.720197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.725736] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.731193] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.736650] ? addrconf_rs_timer+0x690/0x690 [ 302.741072] ndisc_alloc_skb+0x144/0x340 [ 302.745155] ndisc_send_rs+0x331/0x6e0 [ 302.749054] addrconf_rs_timer+0x314/0x690 [ 302.753294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.757541] call_timer_fn+0x272/0x920 [ 302.761427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.765673] ? process_timeout+0x40/0x40 [ 302.769732] ? find_held_lock+0x36/0x1c0 [ 302.773803] ? __run_timers+0x7da/0xc70 [ 302.777782] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.782279] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.786777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.791014] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.795604] ? trace_hardirqs_on+0xbd/0x310 [ 302.799935] ? kasan_check_read+0x11/0x20 [ 302.804089] ? __run_timers+0x7da/0xc70 [ 302.808068] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.813527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.817766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.822006] __run_timers+0x7e5/0xc70 [ 302.825825] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.831199] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.836215] ? graph_lock+0x170/0x170 [ 302.840024] ? enqueue_hrtimer+0x1a5/0x560 [ 302.844263] ? lock_release+0x970/0x970 [ 302.848240] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.853441] ? find_held_lock+0x36/0x1c0 [ 302.857509] ? graph_lock+0x170/0x170 [ 302.861310] ? pvclock_read_flags+0x160/0x160 [ 302.865804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.871346] ? check_preemption_disabled+0x48/0x200 [ 302.876372] ? __lock_is_held+0xb5/0x140 [ 302.880438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.885984] ? check_preemption_disabled+0x48/0x200 [ 302.891015] run_timer_softirq+0x52/0xb0 [ 302.895082] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.900111] __do_softirq+0x30b/0xad8 [ 302.903937] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.909051] ? pvclock_read_flags+0x160/0x160 [ 302.913545] ? lapic_next_event+0x5a/0x90 [ 302.917698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.923238] ? check_preemption_disabled+0x48/0x200 [ 302.928252] ? check_preemption_disabled+0x48/0x200 [ 302.933274] ? kvm_clock_read+0x18/0x30 [ 302.937522] ? kvm_sched_clock_read+0x9/0x20 [ 302.941949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.947493] ? check_preemption_disabled+0x48/0x200 [ 302.952521] irq_exit+0x17f/0x1c0 [ 302.955981] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.960823] ? smp_reschedule_interrupt+0x109/0x650 [ 302.965857] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.971753] ? interrupt_entry+0xb5/0xf0 [ 302.975814] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.980831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.985846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.990693] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.995710] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.000727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.006263] ? check_preemption_disabled+0x48/0x200 [ 303.011282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.016826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.021676] apic_timer_interrupt+0xf/0x20 [ 303.025907] [ 303.028164] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 303.033093] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 303.051992] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 303.059701] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.066966] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 303.074234] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 303.081497] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 303.088762] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 303.096073] skb_clone+0x1bb/0x500 [ 303.099614] ? finish_task_switch+0x1b5/0x900 [ 303.104112] ? skb_split+0x11e0/0x11e0 [ 303.108029] ? preempt_notifier_register+0x200/0x200 [ 303.113135] ? __switch_to_asm+0x34/0x70 [ 303.117194] ? __switch_to_asm+0x34/0x70 [ 303.121255] ? __switch_to_asm+0x40/0x70 [ 303.125315] ? __switch_to_asm+0x34/0x70 [ 303.129374] ? __switch_to_asm+0x40/0x70 [ 303.133440] ? __switch_to_asm+0x34/0x70 [ 303.137500] ? __switch_to_asm+0x40/0x70 [ 303.141561] ? __switch_to_asm+0x34/0x70 [ 303.145621] ? __switch_to_asm+0x34/0x70 [ 303.149696] ? __switch_to_asm+0x40/0x70 [ 303.153768] ? __switch_to_asm+0x34/0x70 [ 303.157861] bpf_clone_redirect+0xb9/0x490 [ 303.162095] ? __schedule+0x874/0x1ed0 [ 303.165996] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 303.171017] ? __sched_text_start+0x8/0x8 [ 303.175182] ? find_held_lock+0x36/0x1c0 [ 303.179270] ? lock_acquire+0x1ed/0x520 [ 303.183245] ? bpf_test_run+0x32e/0x5a0 [ 303.187222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.192766] ? check_preemption_disabled+0x48/0x200 [ 303.197800] ? kasan_check_read+0x11/0x20 [ 303.201959] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.207248] ? rcu_bh_qs+0xc0/0xc0 [ 303.210795] ? preempt_schedule+0x4d/0x60 [ 303.214950] ? ___preempt_schedule+0x16/0x18 [ 303.219371] ? bpf_test_run+0x1c0/0x5a0 [ 303.223358] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.227770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.233304] ? bpf_test_init.isra.9+0x70/0x100 [ 303.237889] ? bpf_prog_test_run_skb+0x634/0xb40 [ 303.242658] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.247517] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.253066] ? fput+0x130/0x1a0 [ 303.256346] ? __bpf_prog_get+0x9b/0x290 [ 303.260408] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.265251] ? bpf_prog_test_run+0x130/0x1a0 [ 303.269668] ? __x64_sys_bpf+0x3d8/0x510 [ 303.273730] ? bpf_prog_get+0x20/0x20 [ 303.277555] ? do_syscall_64+0x1b9/0x820 [ 303.281618] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.286987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.291920] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.296956] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.301971] ? recalc_sigpending_tsk+0x180/0x180 [ 303.307052] ? kasan_check_write+0x14/0x20 [ 303.311300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.316154] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.321533] warn_alloc_show_mem: 1 callbacks suppressed [ 303.321544] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 303.321546] Mem-Info: [ 303.321577] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 303.321577] active_file:13 inactive_file:13 isolated_file:1 [ 303.321577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.321577] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 303.321577] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 303.321577] free:13741 free_pcp:221 free_cma:0 [ 303.326920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.333873] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.336268] Call Trace: [ 303.369319] Node 0 [ 303.378671] [ 303.406537] 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 [ 303.409102] dump_stack+0x1c4/0x2b4 [ 303.411302] lowmem_reserve[]: [ 303.413459] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.438946] 0 2819 [ 303.443125] warn_alloc.cold.119+0xb7/0x1bd [ 303.446188] 6323 6323 [ 303.451455] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.457991] ? lock_downgrade+0x900/0x900 [ 303.460457] Node 0 [ 303.465305] ? trace_hardirqs_off+0xb8/0x310 [ 303.469452] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 303.471677] ? trace_hardirqs_off+0xb8/0x310 [ 303.476056] lowmem_reserve[]: [ 303.503218] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.507597] 0 [ 303.510725] ? warn_alloc+0x120/0x120 [ 303.515516] 0 [ 303.517318] ? warn_alloc+0x120/0x120 [ 303.521093] 3503 [ 303.522889] ? print_usage_bug+0xc0/0xc0 [ 303.526663] 3503 [ 303.528720] ? warn_alloc+0x120/0x120 [ 303.534814] ? print_usage_bug+0xc0/0xc0 [ 303.538620] Node 0 [ 303.542677] ? __lock_acquire+0x7ec/0x4ec0 [ 303.542708] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 303.542716] lowmem_reserve[]: [ 303.544957] ? __lock_acquire+0x7ec/0x4ec0 [ 303.549169] 0 [ 303.577640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.580716] 0 [ 303.584962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.586735] 0 [ 303.592264] ? should_fail+0x22d/0xd01 [ 303.594038] 0 [ 303.599573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.605234] ? __lock_acquire+0x7ec/0x4ec0 [ 303.607012] Node 0 [ 303.612111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.616316] DMA: [ 303.618548] ? __lock_acquire+0x7ec/0x4ec0 [ 303.623630] 1*4kB [ 303.625687] ? should_fail+0x22d/0xd01 [ 303.629898] (U) [ 303.632054] ? mark_held_locks+0x130/0x130 [ 303.635904] 0*8kB [ 303.637886] ? mark_held_locks+0x130/0x130 [ 303.642088] 0*16kB 1*32kB [ 303.644243] ? graph_lock+0x170/0x170 [ 303.648457] (U) [ 303.651298] ? print_usage_bug+0xc0/0xc0 [ 303.655071] 2*64kB [ 303.657042] ? graph_lock+0x170/0x170 [ 303.661075] (U) [ 303.663306] ? print_usage_bug+0xc0/0xc0 [ 303.667080] 1*128kB [ 303.669050] ? wq_watchdog_touch+0x9c/0xfe [ 303.673087] (U) [ 303.675409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.679611] 1*256kB (U) [ 303.681591] ? check_preemption_disabled+0x48/0x200 [ 303.687100] 0*512kB [ 303.689767] ? check_preemption_disabled+0x48/0x200 [ 303.694758] 1*1024kB [ 303.697082] ? __lock_is_held+0xb5/0x140 [ 303.702065] (U) 1*2048kB [ 303.704490] __alloc_pages_nodemask+0xa80/0xde0 [ 303.708524] (M) [ 303.711277] ? graph_lock+0x170/0x170 [ 303.715933] 3*4096kB [ 303.717929] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.721704] (M) [ 303.724115] ? graph_lock+0x170/0x170 [ 303.729103] = 15908kB [ 303.729111] Node 0 [ 303.731097] ? find_held_lock+0x36/0x1c0 [ 303.734861] DMA32: [ 303.737269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.739473] 5*4kB [ 303.743526] ? lock_downgrade+0x900/0x900 [ 303.745738] (UM) [ 303.750405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.752530] 0*8kB [ 303.756673] cache_grow_begin+0x91/0x8c0 [ 303.758706] 3*16kB [ 303.764241] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.766362] (UM) [ 303.770418] fallback_alloc+0x203/0x2e0 [ 303.772628] 2*32kB [ 303.777038] ____cache_alloc_node+0x1c7/0x1e0 [ 303.779071] (M) [ 303.783042] kmem_cache_alloc_node+0xe3/0x730 [ 303.785251] 5*64kB [ 303.789739] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.791680] (UM) 3*128kB [ 303.796187] __alloc_skb+0x119/0x770 [ 303.798395] (M) [ 303.802624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.805352] 3*256kB (M) [ 303.809070] ? skb_scrub_packet+0x490/0x490 [ 303.811017] 4*512kB [ 303.816289] ? lock_downgrade+0x900/0x900 [ 303.818944] (UM) [ 303.823267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.825560] 3*1024kB (UM) [ 303.829729] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.831769] 1*2048kB [ 303.837310] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.840130] (M) [ 303.845576] ? addrconf_rs_timer+0x690/0x690 [ 303.847959] 4*4096kB [ 303.853436] ndisc_alloc_skb+0x144/0x340 [ 303.855380] (M) [ 303.859786] ndisc_send_rs+0x331/0x6e0 [ 303.862167] = 25156kB [ 303.866225] addrconf_rs_timer+0x314/0x690 [ 303.868172] Node 0 [ 303.872053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.874440] Normal: [ 303.878675] call_timer_fn+0x272/0x920 [ 303.880876] 1005*4kB [ 303.885103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.887404] (MEH) [ 303.891285] ? process_timeout+0x40/0x40 [ 303.893667] 451*8kB (ME) [ 303.897898] ? find_held_lock+0x36/0x1c0 [ 303.897929] ? mark_held_locks+0xc7/0x130 [ 303.900051] 184*16kB [ 303.904107] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.906837] (UME) [ 303.910890] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.915006] 94*32kB (UME) [ 303.917422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.921893] 5*64kB (UM) [ 303.924053] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.928519] 0*128kB [ 303.931355] ? trace_hardirqs_on+0xbd/0x310 [ 303.935559] 0*256kB 0*512kB [ 303.938229] ? kasan_check_read+0x11/0x20 [ 303.942789] 0*1024kB [ 303.945111] ? __run_timers+0x7da/0xc70 [ 303.949404] 0*2048kB 0*4096kB [ 303.952426] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.956553] = 13900kB [ 303.958967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.962933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.966120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.971551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.973961] __run_timers+0x7e5/0xc70 [ 303.978174] 4241 total pagecache pages [ 303.987022] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.991227] 0 pages in swap cache [ 303.999810] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.003587] Swap cache stats: add 0, delete 0, find 0/0 [ 304.003596] Free swap = 0kB [ 304.007487] ? graph_lock+0x170/0x170 [ 304.012819] Total swap = 0kB [ 304.012828] 1965979 pages RAM [ 304.016277] ? print_usage_bug+0xc0/0xc0 [ 304.021267] 0 pages HighMem/MovableOnly [ 304.026627] ? lock_release+0x970/0x970 [ 304.029621] 342307 pages reserved [ 304.029629] 0 pages cma reserved [ 304.033425] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.036526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.039540] ? find_held_lock+0x36/0x1c0 [ 304.043679] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.047549] ? graph_lock+0x170/0x170 [ 304.051502] syz-executor5 cpuset= [ 304.054959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.058298] syz5 [ 304.063484] ? check_preemption_disabled+0x48/0x200 [ 304.069954] mems_allowed=0 [ 304.074043] ? __lock_is_held+0xb5/0x140 [ 304.111156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.116696] ? check_preemption_disabled+0x48/0x200 [ 304.121721] run_timer_softirq+0x52/0xb0 [ 304.125784] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.130806] __do_softirq+0x30b/0xad8 [ 304.134620] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.139730] ? pvclock_read_flags+0x160/0x160 [ 304.144225] ? lapic_next_event+0x5a/0x90 [ 304.148376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.153942] ? check_preemption_disabled+0x48/0x200 [ 304.158970] ? check_preemption_disabled+0x48/0x200 [ 304.163997] ? kvm_clock_read+0x18/0x30 [ 304.167976] ? kvm_sched_clock_read+0x9/0x20 [ 304.172389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.177957] ? check_preemption_disabled+0x48/0x200 [ 304.182997] irq_exit+0x17f/0x1c0 [ 304.186457] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.191303] ? smp_reschedule_interrupt+0x109/0x650 [ 304.196325] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.202220] ? interrupt_entry+0xb5/0xf0 [ 304.206282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.211300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.216318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.221165] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.226178] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.231199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.236743] ? check_preemption_disabled+0x48/0x200 [ 304.241757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.247300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.252151] apic_timer_interrupt+0xf/0x20 [ 304.256379] [ 304.258620] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 304.263637] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 304.282538] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 304.290248] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 304.297515] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 304.304784] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 304.312055] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 304.319330] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 304.326623] ? list_lru_count_one+0x36d/0x450 [ 304.331116] ? list_lru_count_one+0x260/0x450 [ 304.335631] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.341433] ? kasan_check_read+0x11/0x20 [ 304.345583] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.350864] ? rcu_bh_qs+0xc0/0xc0 [ 304.354419] list_lru_count_one+0x265/0x450 [ 304.358745] ? list_lru_add+0x980/0x980 [ 304.362724] ? deferred_split_count+0x65/0x170 [ 304.367305] ? shrink_huge_zero_page_count+0xc8/0x100 [ 304.372507] super_cache_count+0x153/0x2e0 [ 304.376749] do_shrink_slab+0x1a7/0xd20 [ 304.380729] ? lock_release+0x970/0x970 [ 304.384705] ? snapshot_refaults+0x290/0x290 [ 304.389120] ? ___might_sleep+0x1ed/0x300 [ 304.393272] ? down_read_trylock+0xff/0x1e0 [ 304.398198] ? shrink_slab+0x207/0x8c0 [ 304.402086] ? downgrade_write+0x2b0/0x2b0 [ 304.406327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.411866] ? shrink_node_memcg+0xc82/0x18e0 [ 304.416378] shrink_slab+0x389/0x8c0 [ 304.420091] ? shrink_active_list+0x1c20/0x1c20 [ 304.424769] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 304.430397] ? kasan_check_read+0x11/0x20 [ 304.434547] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.438966] ? ___preempt_schedule+0x16/0x18 [ 304.443384] ? _raw_spin_unlock+0x3f/0x50 [ 304.447540] shrink_node+0x431/0x16b0 [ 304.451343] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 304.456646] ? shrink_node_memcg+0x18e0/0x18e0 [ 304.461230] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.465815] ? trace_hardirqs_on+0xbd/0x310 [ 304.470138] ? vmpressure+0x271/0x340 [ 304.473968] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 304.478561] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.484099] ? __cpuset_node_allowed+0x19b/0x660 [ 304.488856] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 304.494569] ? vmpressure+0x1a2/0x340 [ 304.498380] do_try_to_free_pages+0x3e7/0x1290 [ 304.502984] ? shrink_node+0x16b0/0x16b0 [ 304.507052] ? __lock_is_held+0xb5/0x140 [ 304.511127] try_to_free_pages+0x4d0/0xb90 [ 304.515365] ? do_try_to_free_pages+0x1290/0x1290 [ 304.520211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.525758] ? lock_acquire+0x1ed/0x520 [ 304.529736] ? set_page_refcounted+0x280/0x280 [ 304.534323] ? lock_release+0x970/0x970 [ 304.538305] ? ___might_sleep+0x1ed/0x300 [ 304.542456] ? arch_local_save_flags+0x40/0x40 [ 304.547054] __alloc_pages_slowpath+0x993/0x2d80 [ 304.551841] ? warn_alloc+0x120/0x120 [ 304.555641] ? __radix_tree_lookup+0x4c0/0x4c0 [ 304.560235] ? find_get_entry+0x2f2/0xc40 [ 304.564394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.569944] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 304.574877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.580414] ? should_fail+0x22d/0xd01 [ 304.584308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.589446] ? __lock_is_held+0xb5/0x140 [ 304.593580] ? __lock_is_held+0xb5/0x140 [ 304.597654] ? __lock_acquire+0x7ec/0x4ec0 [ 304.601890] ? ___might_sleep+0x1ed/0x300 [ 304.606043] ? lock_release+0x970/0x970 [ 304.610022] ? arch_local_save_flags+0x40/0x40 [ 304.614621] ? __might_sleep+0x95/0x190 [ 304.618605] __alloc_pages_nodemask+0xa80/0xde0 [ 304.623282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.628299] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.634097] ? kasan_check_read+0x11/0x20 [ 304.638249] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.643528] ? graph_lock+0x170/0x170 [ 304.647332] ? print_usage_bug+0xc0/0xc0 [ 304.651395] ? graph_lock+0x170/0x170 [ 304.655196] ? graph_lock+0x170/0x170 [ 304.658999] ? __do_page_cache_readahead+0x7ce/0x980 [ 304.664108] ? find_held_lock+0x36/0x1c0 [ 304.668173] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 304.673714] alloc_pages_current+0x10c/0x210 [ 304.678121] ? lock_downgrade+0x900/0x900 [ 304.682273] __page_cache_alloc+0x38f/0x5b0 [ 304.686593] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.692385] ? kasan_check_read+0x11/0x20 [ 304.696532] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.701815] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 304.706490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.712033] ? check_preemption_disabled+0x48/0x200 [ 304.717060] filemap_fault+0x1594/0x25f0 [ 304.721145] ? __lock_page_or_retry+0xa00/0xa00 [ 304.725814] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.731607] ? kasan_check_read+0x11/0x20 [ 304.735759] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.741034] ? ep_scan_ready_list+0xbeb/0x1050 [ 304.745615] ? rcu_bh_qs+0xc0/0xc0 [ 304.749154] ? lock_downgrade+0x900/0x900 [ 304.753303] ? graph_lock+0x170/0x170 [ 304.757115] ? filemap_map_pages+0xdea/0x1980 [ 304.761630] ? find_get_pages_range_tag+0x1320/0x1320 [ 304.766819] ? wait_for_completion+0x8a0/0x8a0 [ 304.771404] ? graph_lock+0x170/0x170 [ 304.775208] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.779790] ? kasan_check_read+0x11/0x20 [ 304.783946] ? ep_scan_ready_list+0xbc7/0x1050 [ 304.788532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.793995] ? lock_acquire+0x1ed/0x520 [ 304.798055] ? ext4_filemap_fault+0x7a/0xad [ 304.802385] ? lock_release+0x970/0x970 [ 304.806363] ? arch_local_save_flags+0x40/0x40 [ 304.810959] ? ep_poll_callback+0x10e0/0x10e0 [ 304.815502] ? down_read+0xb0/0x1d0 [ 304.819126] ? ext4_filemap_fault+0x7a/0xad [ 304.823466] ? __down_interruptible+0x700/0x700 [ 304.828153] ? get_futex_key+0x21b0/0x21b0 [ 304.832400] ext4_filemap_fault+0x82/0xad [ 304.836550] __do_fault+0x100/0x6b0 [ 304.840181] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.844678] ? print_bad_pte+0x6c0/0x6c0 [ 304.848768] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.853351] ? trace_hardirqs_on+0xbd/0x310 [ 304.857669] ? kasan_check_read+0x11/0x20 [ 304.861821] ? pmd_val+0x88/0x100 [ 304.865277] ? add_mm_counter_fast+0xd0/0xd0 [ 304.869685] ? pmd_val+0x88/0x100 [ 304.873140] ? add_mm_counter_fast+0xd0/0xd0 [ 304.877558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.883100] __handle_mm_fault+0x3709/0x53e0 [ 304.887522] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 304.892363] ? graph_lock+0x170/0x170 [ 304.896163] ? print_usage_bug+0xc0/0xc0 [ 304.900228] ? rcu_bh_qs+0xc0/0xc0 [ 304.903772] ? graph_lock+0x170/0x170 [ 304.907570] ? graph_lock+0x170/0x170 [ 304.911391] ? handle_mm_fault+0x42a/0xc70 [ 304.915626] ? lock_downgrade+0x900/0x900 [ 304.919776] ? check_preemption_disabled+0x48/0x200 [ 304.924796] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.930591] ? kasan_check_read+0x11/0x20 [ 304.934743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.940020] ? rcu_bh_qs+0xc0/0xc0 [ 304.943561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.949013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.954549] ? check_preemption_disabled+0x48/0x200 [ 304.959573] handle_mm_fault+0x54f/0xc70 [ 304.963643] ? __handle_mm_fault+0x53e0/0x53e0 [ 304.968232] ? find_vma+0x34/0x190 [ 304.971777] __do_page_fault+0x67d/0xed0 [ 304.975846] ? mm_fault_error+0x380/0x380 [ 304.979995] ? trace_hardirqs_off+0xb8/0x310 [ 304.984407] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.989770] ? trace_hardirqs_on+0x310/0x310 [ 304.994186] do_page_fault+0xf2/0x7e0 [ 304.997989] ? vmalloc_sync_all+0x30/0x30 [ 305.002139] ? error_entry+0x70/0xd0 [ 305.005853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.010866] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.015795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.020721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.025562] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.030579] ? trace_hardirqs_off+0x310/0x310 [ 305.035079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.040093] ? page_fault+0x8/0x30 [ 305.043634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.048480] ? page_fault+0x8/0x30 [ 305.052020] page_fault+0x1e/0x30 [ 305.055472] RIP: 0033:0x45df89 [ 305.058673] Code: Bad RIP value. [ 305.062043] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 305.067405] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 305.074672] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 305.081956] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 305.089234] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 305.096500] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 305.103798] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 305.103880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.110998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.111004] Call Trace: [ 305.111011] [ 305.111034] dump_stack+0x1c4/0x2b4 [ 305.111052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.117577] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.126880] warn_alloc.cold.119+0xb7/0x1bd [ 305.129431] syz-fuzzer cpuset= [ 305.131596] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.135193] / [ 305.140376] ? lock_downgrade+0x900/0x900 [ 305.150579] mems_allowed=0 [ 305.154896] ? trace_hardirqs_off+0xb8/0x310 [ 305.176038] ? trace_hardirqs_off+0xb8/0x310 [ 305.180462] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.185336] ? warn_alloc+0x120/0x120 [ 305.189139] ? trace_hardirqs_on+0x310/0x310 [ 305.193552] ? warn_alloc+0x120/0x120 [ 305.197356] ? print_usage_bug+0xc0/0xc0 [ 305.201420] ? warn_alloc+0x120/0x120 [ 305.205227] ? ktime_get+0x2e1/0x440 [ 305.208949] ? print_usage_bug+0xc0/0xc0 [ 305.213027] ? __lock_acquire+0x7ec/0x4ec0 [ 305.217262] ? __lock_acquire+0x7ec/0x4ec0 [ 305.221502] ? kasan_check_read+0x11/0x20 [ 305.225651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.231191] ? should_fail+0x22d/0xd01 [ 305.235080] ? rcu_bh_qs+0xc0/0xc0 [ 305.238622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.243730] ? __lock_acquire+0x7ec/0x4ec0 [ 305.247974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.253076] ? __lock_acquire+0x7ec/0x4ec0 [ 305.257315] ? should_fail+0x22d/0xd01 [ 305.261206] ? rcu_idle_enter+0x4b0/0x4b0 [ 305.265361] ? mark_held_locks+0x130/0x130 [ 305.269634] ? mark_held_locks+0x130/0x130 [ 305.273874] ? mark_held_locks+0xc7/0x130 [ 305.278028] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 305.283043] ? graph_lock+0x170/0x170 [ 305.286843] ? print_usage_bug+0xc0/0xc0 [ 305.291171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.296714] ? check_preemption_disabled+0x48/0x200 [ 305.301731] ? check_preemption_disabled+0x48/0x200 [ 305.306920] ? __lock_is_held+0xb5/0x140 [ 305.311004] __alloc_pages_nodemask+0xa80/0xde0 [ 305.315672] ? graph_lock+0x170/0x170 [ 305.319478] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.324493] ? graph_lock+0x170/0x170 [ 305.328304] ? find_held_lock+0x36/0x1c0 [ 305.332375] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.337047] ? lock_downgrade+0x900/0x900 [ 305.341207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.346759] cache_grow_begin+0x91/0x8c0 [ 305.350820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.355239] fallback_alloc+0x203/0x2e0 [ 305.359222] ____cache_alloc_node+0x1c7/0x1e0 [ 305.363727] kmem_cache_alloc_node+0xe3/0x730 [ 305.368228] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.372485] __alloc_skb+0x119/0x770 [ 305.376206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.381490] ? skb_scrub_packet+0x490/0x490 [ 305.385811] ? lock_downgrade+0x900/0x900 [ 305.389968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.395506] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.400967] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.406419] ? addrconf_rs_timer+0x690/0x690 [ 305.410845] ndisc_alloc_skb+0x144/0x340 [ 305.414910] ndisc_send_rs+0x331/0x6e0 [ 305.418815] addrconf_rs_timer+0x314/0x690 [ 305.423055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.427306] call_timer_fn+0x272/0x920 [ 305.431285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.435523] ? process_timeout+0x40/0x40 [ 305.440067] ? find_held_lock+0x36/0x1c0 [ 305.444141] ? __run_timers+0x7da/0xc70 [ 305.448117] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.452610] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.457104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.461341] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.465936] ? trace_hardirqs_on+0xbd/0x310 [ 305.470263] ? kasan_check_read+0x11/0x20 [ 305.474411] ? __run_timers+0x7da/0xc70 [ 305.478392] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.483846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.488091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.492326] __run_timers+0x7e5/0xc70 [ 305.496140] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.501509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.506532] ? graph_lock+0x170/0x170 [ 305.510336] ? enqueue_hrtimer+0x1a5/0x560 [ 305.514587] ? lock_release+0x970/0x970 [ 305.518607] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.523803] ? find_held_lock+0x36/0x1c0 [ 305.527872] ? graph_lock+0x170/0x170 [ 305.531678] ? pvclock_read_flags+0x160/0x160 [ 305.536181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.541722] ? check_preemption_disabled+0x48/0x200 [ 305.546749] ? __lock_is_held+0xb5/0x140 [ 305.550814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.556351] ? check_preemption_disabled+0x48/0x200 [ 305.561374] run_timer_softirq+0x52/0xb0 [ 305.565440] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.570461] __do_softirq+0x30b/0xad8 [ 305.574281] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.579409] ? pvclock_read_flags+0x160/0x160 [ 305.583908] ? lapic_next_event+0x5a/0x90 [ 305.588065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.593605] ? check_preemption_disabled+0x48/0x200 [ 305.598624] ? check_preemption_disabled+0x48/0x200 [ 305.603650] ? kvm_clock_read+0x18/0x30 [ 305.607624] ? kvm_sched_clock_read+0x9/0x20 [ 305.612036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.617584] ? check_preemption_disabled+0x48/0x200 [ 305.622612] irq_exit+0x17f/0x1c0 [ 305.626068] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.630912] ? smp_reschedule_interrupt+0x109/0x650 [ 305.635945] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.641832] ? interrupt_entry+0xb5/0xf0 [ 305.645896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.650917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.655950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.660793] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.665813] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.670830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.676368] ? check_preemption_disabled+0x48/0x200 [ 305.681382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.686935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.691787] apic_timer_interrupt+0xf/0x20 [ 305.696018] [ 305.698274] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 305.703221] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 305.722118] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.729826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 305.737095] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 305.744360] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 305.751628] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 305.758895] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 305.766211] skb_clone+0x1bb/0x500 [ 305.769750] ? finish_task_switch+0x1b5/0x900 [ 305.774248] ? skb_split+0x11e0/0x11e0 [ 305.778135] ? preempt_notifier_register+0x200/0x200 [ 305.783236] ? __switch_to_asm+0x34/0x70 [ 305.787294] ? __switch_to_asm+0x34/0x70 [ 305.791351] ? __switch_to_asm+0x40/0x70 [ 305.795408] ? __switch_to_asm+0x34/0x70 [ 305.799472] ? __switch_to_asm+0x40/0x70 [ 305.803535] ? __switch_to_asm+0x34/0x70 [ 305.807592] ? __switch_to_asm+0x40/0x70 [ 305.811655] ? __switch_to_asm+0x34/0x70 [ 305.815718] ? __switch_to_asm+0x34/0x70 [ 305.819777] ? __switch_to_asm+0x40/0x70 [ 305.823839] ? __switch_to_asm+0x34/0x70 [ 305.827915] bpf_clone_redirect+0xb9/0x490 [ 305.832167] ? __schedule+0x874/0x1ed0 [ 305.836065] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 305.841098] ? __sched_text_start+0x8/0x8 [ 305.845267] ? find_held_lock+0x36/0x1c0 [ 305.849340] ? lock_acquire+0x1ed/0x520 [ 305.853312] ? bpf_test_run+0x32e/0x5a0 [ 305.857291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.862836] ? check_preemption_disabled+0x48/0x200 [ 305.867854] ? kasan_check_read+0x11/0x20 [ 305.872008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.877290] ? rcu_bh_qs+0xc0/0xc0 [ 305.880834] ? preempt_schedule+0x4d/0x60 [ 305.884983] ? ___preempt_schedule+0x16/0x18 [ 305.889403] ? bpf_test_run+0x1c0/0x5a0 [ 305.893393] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.897808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.903349] ? bpf_test_init.isra.9+0x70/0x100 [ 305.907943] ? bpf_prog_test_run_skb+0x634/0xb40 [ 305.912711] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.917554] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.923089] ? fput+0x130/0x1a0 [ 305.926377] ? __bpf_prog_get+0x9b/0x290 [ 305.930451] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.935298] ? bpf_prog_test_run+0x130/0x1a0 [ 305.939712] ? __x64_sys_bpf+0x3d8/0x510 [ 305.943773] ? bpf_prog_get+0x20/0x20 [ 305.947597] ? do_syscall_64+0x1b9/0x820 [ 305.951659] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.957031] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.961970] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.966988] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 305.972007] ? recalc_sigpending_tsk+0x180/0x180 [ 305.976763] ? kasan_check_write+0x14/0x20 [ 305.981005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.985855] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.991238] warn_alloc_show_mem: 1 callbacks suppressed [ 305.991250] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 305.991252] Mem-Info: [ 305.991283] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 305.991283] active_file:13 inactive_file:13 isolated_file:1 [ 305.991283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.991283] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 305.991283] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 305.991283] free:13741 free_pcp:221 free_cma:0 [ 305.996615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.996623] Call Trace: [ 306.003557] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.005961] [ 306.039007] Node 0 [ 306.048368] dump_stack+0x1c4/0x2b4 [ 306.050955] 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 [ 306.078792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.080916] lowmem_reserve[]: [ 306.083167] warn_alloc.cold.119+0xb7/0x1bd [ 306.086759] 0 [ 306.112263] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.117426] 2819 [ 306.120528] ? lock_downgrade+0x900/0x900 [ 306.124817] 6323 [ 306.126626] ? trace_hardirqs_off+0xb8/0x310 [ 306.131440] 6323 [ 306.133495] ? trace_hardirqs_off+0xb8/0x310 [ 306.139682] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.144061] Node 0 [ 306.146150] ? warn_alloc+0x120/0x120 [ 306.150557] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.155368] ? warn_alloc+0x120/0x120 [ 306.157569] lowmem_reserve[]: 0 [ 306.161373] ? print_usage_bug+0xc0/0xc0 [ 306.188423] 0 3503 [ 306.192234] ? warn_alloc+0x120/0x120 [ 306.195481] 3503 [ 306.199543] ? print_usage_bug+0xc0/0xc0 [ 306.201756] Node 0 [ 306.205549] ? __lock_acquire+0x7ec/0x4ec0 [ 306.207642] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 306.211673] ? __lock_acquire+0x7ec/0x4ec0 [ 306.213877] lowmem_reserve[]: 0 [ 306.218116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.246540] 0 [ 306.250769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.254019] 0 [ 306.259638] ? should_fail+0x22d/0xd01 [ 306.261418] 0 [ 306.266960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.272614] ? __lock_acquire+0x7ec/0x4ec0 [ 306.274390] Node 0 [ 306.279485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.283693] DMA: [ 306.285933] ? __lock_acquire+0x7ec/0x4ec0 [ 306.291014] 1*4kB [ 306.293068] ? should_fail+0x22d/0xd01 [ 306.297276] (U) [ 306.299427] ? mark_held_locks+0x130/0x130 [ 306.303291] 0*8kB [ 306.305260] ? mark_held_locks+0x130/0x130 [ 306.309472] 0*16kB [ 306.311616] ? graph_lock+0x170/0x170 [ 306.315827] 1*32kB [ 306.318056] ? print_usage_bug+0xc0/0xc0 [ 306.321915] (U) [ 306.324157] ? graph_lock+0x170/0x170 [ 306.328195] 2*64kB [ 306.330162] ? print_usage_bug+0xc0/0xc0 [ 306.333945] (U) [ 306.336180] ? wq_watchdog_touch+0x9c/0xfe [ 306.340208] 1*128kB (U) [ 306.342190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.346398] 1*256kB [ 306.349065] ? check_preemption_disabled+0x48/0x200 [ 306.354574] (U) [ 306.356896] ? check_preemption_disabled+0x48/0x200 [ 306.361888] 0*512kB [ 306.363864] ? __lock_is_held+0xb5/0x140 [ 306.368851] 1*1024kB [ 306.371175] __alloc_pages_nodemask+0xa80/0xde0 [ 306.375209] (U) [ 306.377614] ? graph_lock+0x170/0x170 [ 306.382257] 1*2048kB [ 306.384224] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.387997] (M) [ 306.390404] ? graph_lock+0x170/0x170 [ 306.395398] 3*4096kB [ 306.397376] ? find_held_lock+0x36/0x1c0 [ 306.401145] (M) [ 306.403555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.407588] = 15908kB [ 306.409560] ? lock_downgrade+0x900/0x900 [ 306.414201] Node 0 [ 306.416611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.420722] DMA32: 5*4kB [ 306.422970] cache_grow_begin+0x91/0x8c0 [ 306.428479] (UM) [ 306.431235] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.435270] 0*8kB [ 306.437327] fallback_alloc+0x203/0x2e0 [ 306.441716] 3*16kB (UM) [ 306.443869] ____cache_alloc_node+0x1c7/0x1e0 [ 306.447815] 2*32kB [ 306.450501] kmem_cache_alloc_node+0xe3/0x730 [ 306.454972] (M) [ 306.457207] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.461688] 5*64kB [ 306.463672] __alloc_skb+0x119/0x770 [ 306.467872] (UM) [ 306.470106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.473792] 3*128kB [ 306.475847] ? skb_scrub_packet+0x490/0x490 [ 306.481099] (M) [ 306.483416] ? lock_downgrade+0x900/0x900 [ 306.487710] 3*256kB (M) [ 306.489693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.493808] 4*512kB (UM) [ 306.496483] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.501997] 3*1024kB [ 306.504747] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.510171] (UM) [ 306.512594] ? addrconf_rs_timer+0x690/0x690 [ 306.518022] 1*2048kB [ 306.520089] ndisc_alloc_skb+0x144/0x340 [ 306.524462] (M) [ 306.526871] ndisc_send_rs+0x331/0x6e0 [ 306.530904] 4*4096kB (M) [ 306.532899] addrconf_rs_timer+0x314/0x690 [ 306.536762] = 25156kB [ 306.539513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.543717] Node 0 Normal: [ 306.546137] call_timer_fn+0x272/0x920 [ 306.550341] 1005*4kB [ 306.553266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.557126] (MEH) [ 306.559529] ? process_timeout+0x40/0x40 [ 306.563740] 451*8kB [ 306.565885] ? find_held_lock+0x36/0x1c0 [ 306.569921] (ME) [ 306.572256] ? mark_held_locks+0xc7/0x130 [ 306.576286] 184*16kB [ 306.578341] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.582462] (UME) [ 306.584868] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.589331] 94*32kB (UME) [ 306.591482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.595957] 5*64kB [ 306.598794] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.603002] (UM) [ 306.605234] ? trace_hardirqs_on+0xbd/0x310 [ 306.609788] 0*128kB [ 306.611844] ? kasan_check_read+0x11/0x20 [ 306.616138] 0*256kB [ 306.618450] ? __run_timers+0x7da/0xc70 [ 306.618467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.622595] 0*512kB [ 306.624921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.628884] 0*1024kB 0*2048kB [ 306.634340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.636639] 0*4096kB [ 306.640869] __run_timers+0x7e5/0xc70 [ 306.644037] = 13900kB [ 306.648275] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.650671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 306.654463] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.656857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 306.662209] ? graph_lock+0x170/0x170 [ 306.671024] 4241 total pagecache pages [ 306.676029] ? print_usage_bug+0xc0/0xc0 [ 306.684586] 0 pages in swap cache [ 306.688371] ? lock_release+0x970/0x970 [ 306.692246] Swap cache stats: add 0, delete 0, find 0/0 [ 306.692255] Free swap = 0kB [ 306.696308] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.699735] Total swap = 0kB [ 306.703704] ? find_held_lock+0x36/0x1c0 [ 306.709041] 1965979 pages RAM [ 306.712053] ? graph_lock+0x170/0x170 [ 306.717216] 0 pages HighMem/MovableOnly [ 306.717224] 342307 pages reserved [ 306.720235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.724269] 0 pages cma reserved [ 306.727373] ? check_preemption_disabled+0x48/0x200 [ 306.731211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.735117] ? __lock_is_held+0xb5/0x140 [ 306.738594] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.744068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.747413] syz-executor5 cpuset= [ 306.752426] ? check_preemption_disabled+0x48/0x200 [ 306.758893] syz5 [ 306.762975] run_timer_softirq+0x52/0xb0 [ 306.773440] mems_allowed=0 [ 306.778968] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.801339] __do_softirq+0x30b/0xad8 [ 306.805153] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.810265] ? pvclock_read_flags+0x160/0x160 [ 306.814777] ? lapic_next_event+0x5a/0x90 [ 306.818949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.824487] ? check_preemption_disabled+0x48/0x200 [ 306.829501] ? check_preemption_disabled+0x48/0x200 [ 306.834522] ? kvm_clock_read+0x18/0x30 [ 306.838494] ? kvm_sched_clock_read+0x9/0x20 [ 306.842908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.848460] ? check_preemption_disabled+0x48/0x200 [ 306.853490] irq_exit+0x17f/0x1c0 [ 306.856958] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.861804] ? smp_reschedule_interrupt+0x109/0x650 [ 306.866823] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.872735] ? interrupt_entry+0xb5/0xf0 [ 306.876810] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.881826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.886842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.891684] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.896709] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.901724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.907260] ? check_preemption_disabled+0x48/0x200 [ 306.912274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.917826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.922711] apic_timer_interrupt+0xf/0x20 [ 306.926951] [ 306.929190] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 306.934209] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 306.953106] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 306.960814] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 306.968078] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 306.975342] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 306.982613] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 306.989896] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 306.997222] ? list_lru_count_one+0x36d/0x450 [ 307.001719] ? list_lru_count_one+0x260/0x450 [ 307.006232] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.012033] ? kasan_check_read+0x11/0x20 [ 307.016184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.021460] ? rcu_bh_qs+0xc0/0xc0 [ 307.025014] list_lru_count_one+0x265/0x450 [ 307.029335] ? list_lru_add+0x980/0x980 [ 307.033310] ? deferred_split_count+0x65/0x170 [ 307.037892] ? shrink_huge_zero_page_count+0xc8/0x100 [ 307.043096] super_cache_count+0x153/0x2e0 [ 307.047338] do_shrink_slab+0x1a7/0xd20 [ 307.051320] ? lock_release+0x970/0x970 [ 307.055299] ? snapshot_refaults+0x290/0x290 [ 307.059719] ? ___might_sleep+0x1ed/0x300 [ 307.063871] ? down_read_trylock+0xff/0x1e0 [ 307.068189] ? shrink_slab+0x207/0x8c0 [ 307.072080] ? downgrade_write+0x2b0/0x2b0 [ 307.076320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.081855] ? shrink_node_memcg+0xc82/0x18e0 [ 307.086364] shrink_slab+0x389/0x8c0 [ 307.090076] ? shrink_active_list+0x1c20/0x1c20 [ 307.094785] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 307.100429] ? kasan_check_read+0x11/0x20 [ 307.104581] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.109001] ? ___preempt_schedule+0x16/0x18 [ 307.113446] ? _raw_spin_unlock+0x3f/0x50 [ 307.117615] shrink_node+0x431/0x16b0 [ 307.121420] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 307.126723] ? shrink_node_memcg+0x18e0/0x18e0 [ 307.131306] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.135893] ? trace_hardirqs_on+0xbd/0x310 [ 307.140218] ? vmpressure+0x271/0x340 [ 307.144026] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 307.148627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.154161] ? __cpuset_node_allowed+0x19b/0x660 [ 307.158946] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 307.164686] ? vmpressure+0x1a2/0x340 [ 307.168499] do_try_to_free_pages+0x3e7/0x1290 [ 307.173101] ? shrink_node+0x16b0/0x16b0 [ 307.177165] ? __lock_is_held+0xb5/0x140 [ 307.181240] try_to_free_pages+0x4d0/0xb90 [ 307.185480] ? do_try_to_free_pages+0x1290/0x1290 [ 307.190322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.195871] ? lock_acquire+0x1ed/0x520 [ 307.199843] ? set_page_refcounted+0x280/0x280 [ 307.204437] ? lock_release+0x970/0x970 [ 307.208417] ? ___might_sleep+0x1ed/0x300 [ 307.212565] ? arch_local_save_flags+0x40/0x40 [ 307.217176] __alloc_pages_slowpath+0x993/0x2d80 [ 307.221978] ? warn_alloc+0x120/0x120 [ 307.225782] ? __radix_tree_lookup+0x4c0/0x4c0 [ 307.230376] ? find_get_entry+0x2f2/0xc40 [ 307.234535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.240077] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 307.245008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.250543] ? should_fail+0x22d/0xd01 [ 307.254437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.259539] ? __lock_is_held+0xb5/0x140 [ 307.263631] ? __lock_is_held+0xb5/0x140 [ 307.267703] ? __lock_acquire+0x7ec/0x4ec0 [ 307.271951] ? ___might_sleep+0x1ed/0x300 [ 307.276104] ? lock_release+0x970/0x970 [ 307.280079] ? arch_local_save_flags+0x40/0x40 [ 307.284675] ? __might_sleep+0x95/0x190 [ 307.288657] __alloc_pages_nodemask+0xa80/0xde0 [ 307.293335] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.298364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.304174] ? kasan_check_read+0x11/0x20 [ 307.308813] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.314096] ? graph_lock+0x170/0x170 [ 307.317900] ? print_usage_bug+0xc0/0xc0 [ 307.321978] ? graph_lock+0x170/0x170 [ 307.325781] ? graph_lock+0x170/0x170 [ 307.329586] ? __do_page_cache_readahead+0x7ce/0x980 [ 307.334694] ? find_held_lock+0x36/0x1c0 [ 307.339025] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 307.344600] alloc_pages_current+0x10c/0x210 [ 307.349040] ? lock_downgrade+0x900/0x900 [ 307.353198] __page_cache_alloc+0x38f/0x5b0 [ 307.357525] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.363319] ? kasan_check_read+0x11/0x20 [ 307.367480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.372762] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 307.377431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.382974] ? check_preemption_disabled+0x48/0x200 [ 307.387998] filemap_fault+0x1594/0x25f0 [ 307.392074] ? __lock_page_or_retry+0xa00/0xa00 [ 307.396744] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.402553] ? kasan_check_read+0x11/0x20 [ 307.406706] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.411980] ? ep_scan_ready_list+0xbeb/0x1050 [ 307.416564] ? rcu_bh_qs+0xc0/0xc0 [ 307.420106] ? lock_downgrade+0x900/0x900 [ 307.424259] ? graph_lock+0x170/0x170 [ 307.428065] ? filemap_map_pages+0xdea/0x1980 [ 307.432581] ? find_get_pages_range_tag+0x1320/0x1320 [ 307.437775] ? wait_for_completion+0x8a0/0x8a0 [ 307.442542] ? graph_lock+0x170/0x170 [ 307.446345] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.450950] ? kasan_check_read+0x11/0x20 [ 307.455101] ? ep_scan_ready_list+0xbc7/0x1050 [ 307.459688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.465147] ? lock_acquire+0x1ed/0x520 [ 307.469123] ? ext4_filemap_fault+0x7a/0xad [ 307.473448] ? lock_release+0x970/0x970 [ 307.477422] ? arch_local_save_flags+0x40/0x40 [ 307.482009] ? ep_poll_callback+0x10e0/0x10e0 [ 307.486521] ? down_read+0xb0/0x1d0 [ 307.490148] ? ext4_filemap_fault+0x7a/0xad [ 307.494474] ? __down_interruptible+0x700/0x700 [ 307.499146] ? get_futex_key+0x21b0/0x21b0 [ 307.503403] ext4_filemap_fault+0x82/0xad [ 307.507559] __do_fault+0x100/0x6b0 [ 307.511204] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.515710] ? print_bad_pte+0x6c0/0x6c0 [ 307.519782] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.524367] ? trace_hardirqs_on+0xbd/0x310 [ 307.528689] ? kasan_check_read+0x11/0x20 [ 307.532839] ? pmd_val+0x88/0x100 [ 307.536293] ? add_mm_counter_fast+0xd0/0xd0 [ 307.540699] ? pmd_val+0x88/0x100 [ 307.544159] ? add_mm_counter_fast+0xd0/0xd0 [ 307.548572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.554120] __handle_mm_fault+0x3709/0x53e0 [ 307.558539] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 307.563383] ? graph_lock+0x170/0x170 [ 307.567184] ? print_usage_bug+0xc0/0xc0 [ 307.571249] ? rcu_bh_qs+0xc0/0xc0 [ 307.574791] ? graph_lock+0x170/0x170 [ 307.578588] ? graph_lock+0x170/0x170 [ 307.582411] ? handle_mm_fault+0x42a/0xc70 [ 307.586648] ? lock_downgrade+0x900/0x900 [ 307.590800] ? check_preemption_disabled+0x48/0x200 [ 307.595822] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.601620] ? kasan_check_read+0x11/0x20 [ 307.605768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.611044] ? rcu_bh_qs+0xc0/0xc0 [ 307.614615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.620065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.625606] ? check_preemption_disabled+0x48/0x200 [ 307.630661] handle_mm_fault+0x54f/0xc70 [ 307.634729] ? __handle_mm_fault+0x53e0/0x53e0 [ 307.639345] ? find_vma+0x34/0x190 [ 307.642891] __do_page_fault+0x67d/0xed0 [ 307.646980] ? mm_fault_error+0x380/0x380 [ 307.651128] ? trace_hardirqs_off+0xb8/0x310 [ 307.655537] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.660903] ? trace_hardirqs_on+0x310/0x310 [ 307.665328] do_page_fault+0xf2/0x7e0 [ 307.669128] ? vmalloc_sync_all+0x30/0x30 [ 307.673279] ? error_entry+0x70/0xd0 [ 307.676992] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.682006] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.686950] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.691880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.696728] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.701746] ? trace_hardirqs_off+0x310/0x310 [ 307.706249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.711264] ? page_fault+0x8/0x30 [ 307.714804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.719651] ? page_fault+0x8/0x30 [ 307.723196] page_fault+0x1e/0x30 [ 307.726646] RIP: 0033:0x45df89 [ 307.729839] Code: Bad RIP value. [ 307.733201] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 307.738568] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 307.745835] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 307.753102] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 307.760373] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 307.767640] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 307.774944] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 307.775034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.782131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.782136] Call Trace: [ 307.782143] [ 307.782163] dump_stack+0x1c4/0x2b4 [ 307.782181] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.788705] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.798006] warn_alloc.cold.119+0xb7/0x1bd [ 307.800556] syz-fuzzer cpuset= [ 307.802698] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.806297] / [ 307.811483] ? lock_downgrade+0x900/0x900 [ 307.821681] mems_allowed=0 [ 307.825997] ? trace_hardirqs_off+0xb8/0x310 [ 307.847141] ? trace_hardirqs_off+0xb8/0x310 [ 307.851562] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.856442] ? warn_alloc+0x120/0x120 [ 307.860253] ? warn_alloc+0x120/0x120 [ 307.864054] ? print_usage_bug+0xc0/0xc0 [ 307.868118] ? warn_alloc+0x120/0x120 [ 307.871922] ? print_usage_bug+0xc0/0xc0 [ 307.875993] ? __lock_acquire+0x7ec/0x4ec0 [ 307.880231] ? __lock_acquire+0x7ec/0x4ec0 [ 307.884469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.890008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.895544] ? should_fail+0x22d/0xd01 [ 307.899446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.904550] ? __lock_acquire+0x7ec/0x4ec0 [ 307.908791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.913894] ? __lock_acquire+0x7ec/0x4ec0 [ 307.918136] ? should_fail+0x22d/0xd01 [ 307.922036] ? mark_held_locks+0x130/0x130 [ 307.926275] ? mark_held_locks+0x130/0x130 [ 307.930514] ? graph_lock+0x170/0x170 [ 307.934315] ? print_usage_bug+0xc0/0xc0 [ 307.938373] ? graph_lock+0x170/0x170 [ 307.942174] ? print_usage_bug+0xc0/0xc0 [ 307.946234] ? wq_watchdog_touch+0x9c/0xfe [ 307.950503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.956042] ? check_preemption_disabled+0x48/0x200 [ 307.961061] ? check_preemption_disabled+0x48/0x200 [ 307.966087] ? __lock_is_held+0xb5/0x140 [ 307.970158] __alloc_pages_nodemask+0xa80/0xde0 [ 307.974825] ? graph_lock+0x170/0x170 [ 307.978631] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.983644] ? graph_lock+0x170/0x170 [ 307.987461] ? find_held_lock+0x36/0x1c0 [ 307.991541] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.996209] ? lock_downgrade+0x900/0x900 [ 308.000381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.005923] cache_grow_begin+0x91/0x8c0 [ 308.010029] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.014450] fallback_alloc+0x203/0x2e0 [ 308.018432] ____cache_alloc_node+0x1c7/0x1e0 [ 308.022945] kmem_cache_alloc_node+0xe3/0x730 [ 308.027449] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.031694] __alloc_skb+0x119/0x770 [ 308.035409] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.040694] ? skb_scrub_packet+0x490/0x490 [ 308.045014] ? lock_downgrade+0x900/0x900 [ 308.049173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.054728] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.060186] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.065637] ? addrconf_rs_timer+0x690/0x690 [ 308.070063] ndisc_alloc_skb+0x144/0x340 [ 308.074131] ndisc_send_rs+0x331/0x6e0 [ 308.078024] addrconf_rs_timer+0x314/0x690 [ 308.082267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.086519] call_timer_fn+0x272/0x920 [ 308.090405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.094645] ? process_timeout+0x40/0x40 [ 308.098703] ? find_held_lock+0x36/0x1c0 [ 308.102774] ? __run_timers+0x7da/0xc70 [ 308.106750] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.111242] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.115740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.120001] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.124584] ? trace_hardirqs_on+0xbd/0x310 [ 308.128902] ? kasan_check_read+0x11/0x20 [ 308.133059] ? __run_timers+0x7da/0xc70 [ 308.137034] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.142493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.146736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.150989] __run_timers+0x7e5/0xc70 [ 308.154807] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.160175] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.165189] ? graph_lock+0x170/0x170 [ 308.168993] ? enqueue_hrtimer+0x1a5/0x560 [ 308.173227] ? lock_release+0x970/0x970 [ 308.177203] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.182410] ? find_held_lock+0x36/0x1c0 [ 308.186477] ? graph_lock+0x170/0x170 [ 308.190331] ? pvclock_read_flags+0x160/0x160 [ 308.194855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.200393] ? check_preemption_disabled+0x48/0x200 [ 308.205420] ? __lock_is_held+0xb5/0x140 [ 308.209521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.215059] ? check_preemption_disabled+0x48/0x200 [ 308.220083] run_timer_softirq+0x52/0xb0 [ 308.224144] ? rcu_read_lock_sched_held+0x108/0x120 [ 308.229161] __do_softirq+0x30b/0xad8 [ 308.232977] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.238085] ? pvclock_read_flags+0x160/0x160 [ 308.242583] ? lapic_next_event+0x5a/0x90 [ 308.246735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.252274] ? check_preemption_disabled+0x48/0x200 [ 308.257290] ? check_preemption_disabled+0x48/0x200 [ 308.262313] ? kvm_clock_read+0x18/0x30 [ 308.266286] ? kvm_sched_clock_read+0x9/0x20 [ 308.270694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.276233] ? check_preemption_disabled+0x48/0x200 [ 308.281263] irq_exit+0x17f/0x1c0 [ 308.284717] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.289557] ? smp_reschedule_interrupt+0x109/0x650 [ 308.294573] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.300462] ? interrupt_entry+0xb5/0xf0 [ 308.304527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.309541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.314559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.319401] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.324417] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.329445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.334983] ? check_preemption_disabled+0x48/0x200 [ 308.339997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.345548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.350403] apic_timer_interrupt+0xf/0x20 [ 308.354635] [ 308.356874] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 308.361807] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 308.380705] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.388413] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 308.395685] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 308.402954] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 308.410222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 308.417490] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 308.424802] skb_clone+0x1bb/0x500 [ 308.428341] ? finish_task_switch+0x1b5/0x900 [ 308.432839] ? skb_split+0x11e0/0x11e0 [ 308.436731] ? preempt_notifier_register+0x200/0x200 [ 308.441832] ? __switch_to_asm+0x34/0x70 [ 308.445905] ? __switch_to_asm+0x34/0x70 [ 308.449979] ? __switch_to_asm+0x40/0x70 [ 308.454039] ? __switch_to_asm+0x34/0x70 [ 308.458098] ? __switch_to_asm+0x40/0x70 [ 308.462155] ? __switch_to_asm+0x34/0x70 [ 308.466214] ? __switch_to_asm+0x40/0x70 [ 308.470281] ? __switch_to_asm+0x34/0x70 [ 308.474341] ? __switch_to_asm+0x34/0x70 [ 308.478399] ? __switch_to_asm+0x40/0x70 [ 308.482475] ? __switch_to_asm+0x34/0x70 [ 308.486572] bpf_clone_redirect+0xb9/0x490 [ 308.490808] ? __schedule+0x874/0x1ed0 [ 308.494717] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 308.499767] ? __sched_text_start+0x8/0x8 [ 308.503937] ? find_held_lock+0x36/0x1c0 [ 308.508020] ? lock_acquire+0x1ed/0x520 [ 308.511993] ? bpf_test_run+0x32e/0x5a0 [ 308.515968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.521509] ? check_preemption_disabled+0x48/0x200 [ 308.526532] ? kasan_check_read+0x11/0x20 [ 308.530686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.535968] ? rcu_bh_qs+0xc0/0xc0 [ 308.539522] ? preempt_schedule+0x4d/0x60 [ 308.543683] ? ___preempt_schedule+0x16/0x18 [ 308.548097] ? bpf_test_run+0x1c0/0x5a0 [ 308.552082] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.556495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.562029] ? bpf_test_init.isra.9+0x70/0x100 [ 308.566618] ? bpf_prog_test_run_skb+0x634/0xb40 [ 308.571382] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.576225] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.581774] ? fput+0x130/0x1a0 [ 308.585070] ? __bpf_prog_get+0x9b/0x290 [ 308.589132] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.593976] ? bpf_prog_test_run+0x130/0x1a0 [ 308.598391] ? __x64_sys_bpf+0x3d8/0x510 [ 308.602456] ? bpf_prog_get+0x20/0x20 [ 308.606278] ? do_syscall_64+0x1b9/0x820 [ 308.610345] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.615714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.620646] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.625664] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 308.630682] ? recalc_sigpending_tsk+0x180/0x180 [ 308.635440] ? kasan_check_write+0x14/0x20 [ 308.639681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.644530] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.649914] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 308.649919] warn_alloc_show_mem: 1 callbacks suppressed [ 308.649936] Mem-Info: [ 308.649968] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 308.649968] active_file:13 inactive_file:13 isolated_file:1 [ 308.649968] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.649968] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 308.649968] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 308.649968] free:13741 free_pcp:221 free_cma:0 [ 308.656869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.662234] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.664632] Call Trace: [ 308.697669] Node 0 [ 308.707009] [ 308.734860] 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 [ 308.737415] dump_stack+0x1c4/0x2b4 [ 308.739624] lowmem_reserve[]: [ 308.741769] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.767241] 0 [ 308.770871] warn_alloc.cold.119+0xb7/0x1bd [ 308.773941] 2819 6323 [ 308.779133] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.780912] 6323 [ 308.785240] ? lock_downgrade+0x900/0x900 [ 308.792549] ? trace_hardirqs_off+0xb8/0x310 [ 308.794582] Node 0 [ 308.798725] ? trace_hardirqs_off+0xb8/0x310 [ 308.803129] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 308.805342] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.809724] lowmem_reserve[]: [ 308.836818] ? warn_alloc+0x120/0x120 [ 308.841618] 0 [ 308.844716] ? warn_alloc+0x120/0x120 [ 308.848501] 0 3503 [ 308.850304] ? print_usage_bug+0xc0/0xc0 [ 308.854075] 3503 [ 308.856314] ? warn_alloc+0x120/0x120 [ 308.860353] Node 0 [ 308.862412] ? print_usage_bug+0xc0/0xc0 [ 308.866211] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 308.868418] ? __lock_acquire+0x7ec/0x4ec0 [ 308.872449] lowmem_reserve[]: 0 [ 308.900906] ? __lock_acquire+0x7ec/0x4ec0 [ 308.905114] 0 [ 308.908388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.912591] 0 [ 308.914392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.919905] 0 [ 308.921716] ? should_fail+0x22d/0xd01 [ 308.929023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.932888] Node 0 [ 308.937988] ? __lock_acquire+0x7ec/0x4ec0 [ 308.937991] DMA: 1*4kB [ 308.940230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.944443] (U) [ 308.947016] ? __lock_acquire+0x7ec/0x4ec0 [ 308.952090] 0*8kB 0*16kB [ 308.954066] ? should_fail+0x22d/0xd01 [ 308.958273] 1*32kB [ 308.961033] ? mark_held_locks+0x130/0x130 [ 308.964883] (U) 2*64kB [ 308.967123] ? mark_held_locks+0x130/0x130 [ 308.971331] (U) [ 308.973918] ? graph_lock+0x170/0x170 [ 308.978136] 1*128kB [ 308.980106] ? print_usage_bug+0xc0/0xc0 [ 308.983880] (U) [ 308.986199] ? graph_lock+0x170/0x170 [ 308.990230] 1*256kB (U) [ 308.992207] ? print_usage_bug+0xc0/0xc0 [ 308.995982] 0*512kB [ 308.998648] ? wq_watchdog_touch+0x9c/0xfe [ 309.002683] 1*1024kB [ 309.005003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.009208] (U) [ 309.011645] ? check_preemption_disabled+0x48/0x200 [ 309.017161] 1*2048kB (M) [ 309.019140] ? check_preemption_disabled+0x48/0x200 [ 309.024128] 3*4096kB [ 309.026909] ? __lock_is_held+0xb5/0x140 [ 309.032586] (M) [ 309.034997] __alloc_pages_nodemask+0xa80/0xde0 [ 309.039034] = 15908kB [ 309.041003] ? graph_lock+0x170/0x170 [ 309.045646] Node 0 [ 309.048053] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.051821] DMA32: 5*4kB [ 309.054061] ? graph_lock+0x170/0x170 [ 309.059051] (UM) [ 309.061812] ? find_held_lock+0x36/0x1c0 [ 309.065576] 0*8kB 3*16kB [ 309.067648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.071679] (UM) [ 309.074435] ? lock_downgrade+0x900/0x900 [ 309.079085] 2*32kB [ 309.081147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.085266] (M) [ 309.087497] cache_grow_begin+0x91/0x8c0 [ 309.093011] 5*64kB [ 309.094981] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.099019] (UM) [ 309.101258] fallback_alloc+0x203/0x2e0 [ 309.105637] 3*128kB [ 309.107697] ____cache_alloc_node+0x1c7/0x1e0 [ 309.111645] (M) [ 309.113969] kmem_cache_alloc_node+0xe3/0x730 [ 309.118434] 3*256kB [ 309.120416] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.124881] (M) [ 309.127203] __alloc_skb+0x119/0x770 [ 309.131408] 4*512kB [ 309.133377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.137060] (UM) [ 309.139376] ? skb_scrub_packet+0x490/0x490 [ 309.144631] 3*1024kB [ 309.146689] ? lock_downgrade+0x900/0x900 [ 309.150984] (UM) [ 309.153400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.157516] 1*2048kB [ 309.159612] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.165114] (M) 4*4096kB [ 309.167528] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.172957] (M) [ 309.175708] ? addrconf_rs_timer+0x690/0x690 [ 309.181131] = 25156kB [ 309.181139] Node 0 [ 309.183116] ndisc_alloc_skb+0x144/0x340 [ 309.187482] Normal: 1005*4kB [ 309.189895] ndisc_send_rs+0x331/0x6e0 [ 309.192109] (MEH) [ 309.196163] addrconf_rs_timer+0x314/0x690 [ 309.199240] 451*8kB (ME) [ 309.203130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.205268] 184*16kB [ 309.209501] call_timer_fn+0x272/0x920 [ 309.212237] (UME) [ 309.216466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.218856] 94*32kB [ 309.222749] ? process_timeout+0x40/0x40 [ 309.224877] (UME) [ 309.229107] ? find_held_lock+0x36/0x1c0 [ 309.231406] 5*64kB [ 309.235461] ? mark_held_locks+0xc7/0x130 [ 309.237593] (UM) [ 309.241658] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.243864] 0*128kB 0*256kB [ 309.248052] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.250090] 0*512kB [ 309.254578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.257575] 0*1024kB [ 309.262062] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.264360] 0*2048kB [ 309.268585] ? trace_hardirqs_on+0xbd/0x310 [ 309.270963] 0*4096kB = 13900kB [ 309.275545] ? kasan_check_read+0x11/0x20 [ 309.277944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.282260] ? __run_timers+0x7da/0xc70 [ 309.285430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.289563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.298377] 4241 total pagecache pages [ 309.302347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.311179] 0 pages in swap cache [ 309.316635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.320541] Swap cache stats: add 0, delete 0, find 0/0 [ 309.324770] __run_timers+0x7e5/0xc70 [ 309.328195] Free swap = 0kB [ 309.332435] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.337767] Total swap = 0kB [ 309.341575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.344567] 1965979 pages RAM [ 309.349920] ? graph_lock+0x170/0x170 [ 309.352915] 0 pages HighMem/MovableOnly [ 309.352923] 342307 pages reserved [ 309.357985] ? print_usage_bug+0xc0/0xc0 [ 309.361064] 0 pages cma reserved [ 309.364857] ? lock_release+0x970/0x970 [ 309.368874] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.372248] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.372269] ? find_held_lock+0x36/0x1c0 [ 309.372287] ? graph_lock+0x170/0x170 [ 309.376393] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.379698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.383662] syz-executor5 cpuset= [ 309.390148] ? check_preemption_disabled+0x48/0x200 [ 309.395312] syz5 [ 309.399372] ? __lock_is_held+0xb5/0x140 [ 309.403143] mems_allowed=0 [ 309.413618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.442216] ? check_preemption_disabled+0x48/0x200 [ 309.447254] run_timer_softirq+0x52/0xb0 [ 309.451319] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.456335] __do_softirq+0x30b/0xad8 [ 309.460151] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.465264] ? pvclock_read_flags+0x160/0x160 [ 309.469761] ? lapic_next_event+0x5a/0x90 [ 309.473909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.479460] ? check_preemption_disabled+0x48/0x200 [ 309.484477] ? check_preemption_disabled+0x48/0x200 [ 309.489503] ? kvm_clock_read+0x18/0x30 [ 309.493475] ? kvm_sched_clock_read+0x9/0x20 [ 309.497886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.503425] ? check_preemption_disabled+0x48/0x200 [ 309.508454] irq_exit+0x17f/0x1c0 [ 309.511913] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.516769] ? smp_reschedule_interrupt+0x109/0x650 [ 309.521786] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.527669] ? interrupt_entry+0xb5/0xf0 [ 309.531733] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.536746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.541763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.546609] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.551627] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.556643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.562180] ? check_preemption_disabled+0x48/0x200 [ 309.567194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.572737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.577588] apic_timer_interrupt+0xf/0x20 [ 309.581814] [ 309.584057] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 309.589103] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 309.608002] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 309.615716] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 309.622983] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 309.630247] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 309.637512] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 309.644777] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 309.652064] ? list_lru_count_one+0x36d/0x450 [ 309.656561] ? list_lru_count_one+0x260/0x450 [ 309.661068] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.666866] ? kasan_check_read+0x11/0x20 [ 309.671027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.676303] ? rcu_bh_qs+0xc0/0xc0 [ 309.679859] list_lru_count_one+0x265/0x450 [ 309.684184] ? list_lru_add+0x980/0x980 [ 309.688165] ? deferred_split_count+0x65/0x170 [ 309.692743] ? shrink_huge_zero_page_count+0xc8/0x100 [ 309.697948] super_cache_count+0x153/0x2e0 [ 309.702196] do_shrink_slab+0x1a7/0xd20 [ 309.706199] ? lock_release+0x970/0x970 [ 309.710182] ? snapshot_refaults+0x290/0x290 [ 309.714611] ? ___might_sleep+0x1ed/0x300 [ 309.718762] ? down_read_trylock+0xff/0x1e0 [ 309.723085] ? shrink_slab+0x207/0x8c0 [ 309.726982] ? downgrade_write+0x2b0/0x2b0 [ 309.731223] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.736759] ? shrink_node_memcg+0xc82/0x18e0 [ 309.741267] shrink_slab+0x389/0x8c0 [ 309.744983] ? shrink_active_list+0x1c20/0x1c20 [ 309.749663] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 309.755290] ? kasan_check_read+0x11/0x20 [ 309.759439] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.763856] ? ___preempt_schedule+0x16/0x18 [ 309.768275] ? _raw_spin_unlock+0x3f/0x50 [ 309.772429] shrink_node+0x431/0x16b0 [ 309.776235] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 309.781540] ? shrink_node_memcg+0x18e0/0x18e0 [ 309.786125] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.790712] ? trace_hardirqs_on+0xbd/0x310 [ 309.795033] ? vmpressure+0x271/0x340 [ 309.798841] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 309.803429] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.808971] ? __cpuset_node_allowed+0x19b/0x660 [ 309.813731] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 309.819440] ? vmpressure+0x1a2/0x340 [ 309.823250] do_try_to_free_pages+0x3e7/0x1290 [ 309.827852] ? shrink_node+0x16b0/0x16b0 [ 309.831917] ? __lock_is_held+0xb5/0x140 [ 309.836013] try_to_free_pages+0x4d0/0xb90 [ 309.840253] ? do_try_to_free_pages+0x1290/0x1290 [ 309.845095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.850647] ? lock_acquire+0x1ed/0x520 [ 309.854625] ? set_page_refcounted+0x280/0x280 [ 309.859212] ? lock_release+0x970/0x970 [ 309.863189] ? ___might_sleep+0x1ed/0x300 [ 309.867343] ? arch_local_save_flags+0x40/0x40 [ 309.871949] __alloc_pages_slowpath+0x993/0x2d80 [ 309.876740] ? warn_alloc+0x120/0x120 [ 309.880543] ? __radix_tree_lookup+0x4c0/0x4c0 [ 309.885138] ? find_get_entry+0x2f2/0xc40 [ 309.889470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.895026] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 309.899965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.905507] ? should_fail+0x22d/0xd01 [ 309.909405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.914509] ? __lock_is_held+0xb5/0x140 [ 309.918598] ? __lock_is_held+0xb5/0x140 [ 309.922670] ? __lock_acquire+0x7ec/0x4ec0 [ 309.926907] ? ___might_sleep+0x1ed/0x300 [ 309.931079] ? lock_release+0x970/0x970 [ 309.935056] ? arch_local_save_flags+0x40/0x40 [ 309.939649] ? __might_sleep+0x95/0x190 [ 309.943628] __alloc_pages_nodemask+0xa80/0xde0 [ 309.948303] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.953323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.959135] ? kasan_check_read+0x11/0x20 [ 309.963285] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.968579] ? graph_lock+0x170/0x170 [ 309.972392] ? print_usage_bug+0xc0/0xc0 [ 309.976486] ? graph_lock+0x170/0x170 [ 309.980298] ? graph_lock+0x170/0x170 [ 309.984102] ? __do_page_cache_readahead+0x7ce/0x980 [ 309.989210] ? find_held_lock+0x36/0x1c0 [ 309.993279] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.998818] alloc_pages_current+0x10c/0x210 [ 310.003226] ? lock_downgrade+0x900/0x900 [ 310.007380] __page_cache_alloc+0x38f/0x5b0 [ 310.011703] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.017496] ? kasan_check_read+0x11/0x20 [ 310.021650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.026943] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 310.031618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.037156] ? check_preemption_disabled+0x48/0x200 [ 310.042182] filemap_fault+0x1594/0x25f0 [ 310.046258] ? __lock_page_or_retry+0xa00/0xa00 [ 310.050940] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.056763] ? kasan_check_read+0x11/0x20 [ 310.060912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.066198] ? ep_scan_ready_list+0xbeb/0x1050 [ 310.070802] ? rcu_bh_qs+0xc0/0xc0 [ 310.074343] ? lock_downgrade+0x900/0x900 [ 310.078492] ? graph_lock+0x170/0x170 [ 310.082301] ? filemap_map_pages+0xdea/0x1980 [ 310.086815] ? find_get_pages_range_tag+0x1320/0x1320 [ 310.092036] ? wait_for_completion+0x8a0/0x8a0 [ 310.096648] ? graph_lock+0x170/0x170 [ 310.100449] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.105039] ? kasan_check_read+0x11/0x20 [ 310.109192] ? ep_scan_ready_list+0xbc7/0x1050 [ 310.113780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.119255] ? lock_acquire+0x1ed/0x520 [ 310.123254] ? ext4_filemap_fault+0x7a/0xad [ 310.127592] ? lock_release+0x970/0x970 [ 310.131576] ? arch_local_save_flags+0x40/0x40 [ 310.136179] ? ep_poll_callback+0x10e0/0x10e0 [ 310.140687] ? down_read+0xb0/0x1d0 [ 310.144312] ? ext4_filemap_fault+0x7a/0xad [ 310.148637] ? __down_interruptible+0x700/0x700 [ 310.153316] ? get_futex_key+0x21b0/0x21b0 [ 310.157564] ext4_filemap_fault+0x82/0xad [ 310.161717] __do_fault+0x100/0x6b0 [ 310.165348] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.169842] ? print_bad_pte+0x6c0/0x6c0 [ 310.173904] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.178505] ? trace_hardirqs_on+0xbd/0x310 [ 310.182826] ? kasan_check_read+0x11/0x20 [ 310.186982] ? pmd_val+0x88/0x100 [ 310.190434] ? add_mm_counter_fast+0xd0/0xd0 [ 310.194846] ? pmd_val+0x88/0x100 [ 310.198303] ? add_mm_counter_fast+0xd0/0xd0 [ 310.202715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.208259] __handle_mm_fault+0x3709/0x53e0 [ 310.212680] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 310.217524] ? graph_lock+0x170/0x170 [ 310.221329] ? print_usage_bug+0xc0/0xc0 [ 310.225390] ? rcu_bh_qs+0xc0/0xc0 [ 310.228943] ? graph_lock+0x170/0x170 [ 310.232746] ? graph_lock+0x170/0x170 [ 310.236561] ? handle_mm_fault+0x42a/0xc70 [ 310.240796] ? lock_downgrade+0x900/0x900 [ 310.244956] ? check_preemption_disabled+0x48/0x200 [ 310.249986] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.255783] ? kasan_check_read+0x11/0x20 [ 310.259947] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.265228] ? rcu_bh_qs+0xc0/0xc0 [ 310.268767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.274218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.279757] ? check_preemption_disabled+0x48/0x200 [ 310.284780] handle_mm_fault+0x54f/0xc70 [ 310.288845] ? __handle_mm_fault+0x53e0/0x53e0 [ 310.293430] ? find_vma+0x34/0x190 [ 310.296988] __do_page_fault+0x67d/0xed0 [ 310.301058] ? mm_fault_error+0x380/0x380 [ 310.305208] ? trace_hardirqs_off+0xb8/0x310 [ 310.309620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.314986] ? trace_hardirqs_on+0x310/0x310 [ 310.319405] do_page_fault+0xf2/0x7e0 [ 310.323207] ? vmalloc_sync_all+0x30/0x30 [ 310.327357] ? error_entry+0x70/0xd0 [ 310.331075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.336091] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.341021] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.345960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.350803] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.355817] ? trace_hardirqs_off+0x310/0x310 [ 310.360315] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.365331] ? page_fault+0x8/0x30 [ 310.368877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.373722] ? page_fault+0x8/0x30 [ 310.377264] page_fault+0x1e/0x30 [ 310.380717] RIP: 0033:0x45df89 [ 310.383913] Code: Bad RIP value. [ 310.387285] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 310.392660] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 310.399924] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 310.407209] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 310.414472] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 310.421748] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 310.429055] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 310.429135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.436245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.436251] Call Trace: [ 310.436257] [ 310.436279] dump_stack+0x1c4/0x2b4 [ 310.436298] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.442857] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.452133] warn_alloc.cold.119+0xb7/0x1bd [ 310.454688] syz-fuzzer cpuset= [ 310.456835] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.460435] / [ 310.465623] ? lock_downgrade+0x900/0x900 [ 310.475826] mems_allowed=0 [ 310.480142] ? trace_hardirqs_off+0xb8/0x310 [ 310.501277] ? trace_hardirqs_off+0xb8/0x310 [ 310.505698] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.510571] ? warn_alloc+0x120/0x120 [ 310.514379] ? warn_alloc+0x120/0x120 [ 310.518183] ? print_usage_bug+0xc0/0xc0 [ 310.522245] ? warn_alloc+0x120/0x120 [ 310.526048] ? print_usage_bug+0xc0/0xc0 [ 310.530112] ? __lock_acquire+0x7ec/0x4ec0 [ 310.534344] ? __lock_acquire+0x7ec/0x4ec0 [ 310.538581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.544122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.549661] ? should_fail+0x22d/0xd01 [ 310.553579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.558684] ? __lock_acquire+0x7ec/0x4ec0 [ 310.562924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.568049] ? __lock_acquire+0x7ec/0x4ec0 [ 310.572288] ? should_fail+0x22d/0xd01 [ 310.576186] ? mark_held_locks+0x130/0x130 [ 310.580424] ? mark_held_locks+0x130/0x130 [ 310.584667] ? graph_lock+0x170/0x170 [ 310.588471] ? print_usage_bug+0xc0/0xc0 [ 310.592530] ? graph_lock+0x170/0x170 [ 310.596329] ? print_usage_bug+0xc0/0xc0 [ 310.600389] ? wq_watchdog_touch+0x9c/0xfe [ 310.604623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.610166] ? check_preemption_disabled+0x48/0x200 [ 310.615183] ? check_preemption_disabled+0x48/0x200 [ 310.620210] ? __lock_is_held+0xb5/0x140 [ 310.624280] __alloc_pages_nodemask+0xa80/0xde0 [ 310.628959] ? graph_lock+0x170/0x170 [ 310.632770] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.637781] ? graph_lock+0x170/0x170 [ 310.641594] ? find_held_lock+0x36/0x1c0 [ 310.645669] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.650339] ? lock_downgrade+0x900/0x900 [ 310.654526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.660071] cache_grow_begin+0x91/0x8c0 [ 310.664134] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.668575] fallback_alloc+0x203/0x2e0 [ 310.672563] ____cache_alloc_node+0x1c7/0x1e0 [ 310.677082] kmem_cache_alloc_node+0xe3/0x730 [ 310.681577] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.685860] __alloc_skb+0x119/0x770 [ 310.689574] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.694856] ? skb_scrub_packet+0x490/0x490 [ 310.699179] ? lock_downgrade+0x900/0x900 [ 310.703333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.708870] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.714323] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.719776] ? addrconf_rs_timer+0x690/0x690 [ 310.724200] ndisc_alloc_skb+0x144/0x340 [ 310.728268] ndisc_send_rs+0x331/0x6e0 [ 310.732164] addrconf_rs_timer+0x314/0x690 [ 310.736405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.740661] call_timer_fn+0x272/0x920 [ 310.744546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.748820] ? process_timeout+0x40/0x40 [ 310.752883] ? find_held_lock+0x36/0x1c0 [ 310.756962] ? __run_timers+0x7da/0xc70 [ 310.760949] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.765451] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.769953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.774190] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.778773] ? trace_hardirqs_on+0xbd/0x310 [ 310.783094] ? kasan_check_read+0x11/0x20 [ 310.787243] ? __run_timers+0x7da/0xc70 [ 310.791220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.796675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.800917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.805177] __run_timers+0x7e5/0xc70 [ 310.808995] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.814364] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.819380] ? graph_lock+0x170/0x170 [ 310.823186] ? enqueue_hrtimer+0x1a5/0x560 [ 310.827420] ? lock_release+0x970/0x970 [ 310.831399] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.836594] ? find_held_lock+0x36/0x1c0 [ 310.840686] ? graph_lock+0x170/0x170 [ 310.844488] ? pvclock_read_flags+0x160/0x160 [ 310.848983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.854522] ? check_preemption_disabled+0x48/0x200 [ 310.859566] ? __lock_is_held+0xb5/0x140 [ 310.863640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.869177] ? check_preemption_disabled+0x48/0x200 [ 310.874200] run_timer_softirq+0x52/0xb0 [ 310.878260] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.883277] __do_softirq+0x30b/0xad8 [ 310.887089] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.892201] ? pvclock_read_flags+0x160/0x160 [ 310.896726] ? lapic_next_event+0x5a/0x90 [ 310.900940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.906511] ? check_preemption_disabled+0x48/0x200 [ 310.911527] ? check_preemption_disabled+0x48/0x200 [ 310.916551] ? kvm_clock_read+0x18/0x30 [ 310.920528] ? kvm_sched_clock_read+0x9/0x20 [ 310.924947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.930487] ? check_preemption_disabled+0x48/0x200 [ 310.935514] irq_exit+0x17f/0x1c0 [ 310.938985] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.943844] ? smp_reschedule_interrupt+0x109/0x650 [ 310.948860] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.954743] ? interrupt_entry+0xb5/0xf0 [ 310.958812] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.963827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.968850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.973708] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.978723] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.983740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.989281] ? check_preemption_disabled+0x48/0x200 [ 310.994297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.999844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.004696] apic_timer_interrupt+0xf/0x20 [ 311.008924] [ 311.011204] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.016131] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 311.035048] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.042761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.050031] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 311.057299] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 311.064563] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 311.071832] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.079139] skb_clone+0x1bb/0x500 [ 311.082682] ? finish_task_switch+0x1b5/0x900 [ 311.087178] ? skb_split+0x11e0/0x11e0 [ 311.091070] ? preempt_notifier_register+0x200/0x200 [ 311.096170] ? __switch_to_asm+0x34/0x70 [ 311.100228] ? __switch_to_asm+0x34/0x70 [ 311.104286] ? __switch_to_asm+0x40/0x70 [ 311.108345] ? __switch_to_asm+0x34/0x70 [ 311.112418] ? __switch_to_asm+0x40/0x70 [ 311.116479] ? __switch_to_asm+0x34/0x70 [ 311.120536] ? __switch_to_asm+0x40/0x70 [ 311.124594] ? __switch_to_asm+0x34/0x70 [ 311.128658] ? __switch_to_asm+0x34/0x70 [ 311.132717] ? __switch_to_asm+0x40/0x70 [ 311.136777] ? __switch_to_asm+0x34/0x70 [ 311.140848] bpf_clone_redirect+0xb9/0x490 [ 311.145088] ? __schedule+0x874/0x1ed0 [ 311.148994] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 311.154019] ? __sched_text_start+0x8/0x8 [ 311.158182] ? find_held_lock+0x36/0x1c0 [ 311.162251] ? lock_acquire+0x1ed/0x520 [ 311.166223] ? bpf_test_run+0x32e/0x5a0 [ 311.170204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.175747] ? check_preemption_disabled+0x48/0x200 [ 311.180769] ? kasan_check_read+0x11/0x20 [ 311.184917] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.190206] ? rcu_bh_qs+0xc0/0xc0 [ 311.193753] ? preempt_schedule+0x4d/0x60 [ 311.197901] ? ___preempt_schedule+0x16/0x18 [ 311.202322] ? bpf_test_run+0x1c0/0x5a0 [ 311.206305] ? netlink_diag_dump+0x2a0/0x2a0 [ 311.210721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.216257] ? bpf_test_init.isra.9+0x70/0x100 [ 311.220843] ? bpf_prog_test_run_skb+0x634/0xb40 [ 311.225610] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.230458] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 311.235998] ? fput+0x130/0x1a0 [ 311.239283] ? __bpf_prog_get+0x9b/0x290 [ 311.243345] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.248188] ? bpf_prog_test_run+0x130/0x1a0 [ 311.252600] ? __x64_sys_bpf+0x3d8/0x510 [ 311.256659] ? bpf_prog_get+0x20/0x20 [ 311.260484] ? do_syscall_64+0x1b9/0x820 [ 311.264547] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 311.269920] ? syscall_return_slowpath+0x5e0/0x5e0 [ 311.274868] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.279887] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 311.284901] ? recalc_sigpending_tsk+0x180/0x180 [ 311.289935] ? kasan_check_write+0x14/0x20 [ 311.294179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.299033] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 311.304501] warn_alloc_show_mem: 1 callbacks suppressed [ 311.304513] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 311.304515] Mem-Info: [ 311.304546] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 311.304546] active_file:13 inactive_file:13 isolated_file:1 [ 311.304546] unevictable:0 dirty:0 writeback:0 unstable:0 [ 311.304546] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 311.304546] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 311.304546] free:13741 free_pcp:221 free_cma:0 [ 311.310368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.310377] Call Trace: [ 311.317312] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 311.319707] [ 311.352742] Node 0 [ 311.362092] dump_stack+0x1c4/0x2b4 [ 311.364672] 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 [ 311.392492] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.394611] lowmem_reserve[]: 0 [ 311.396863] warn_alloc.cold.119+0xb7/0x1bd [ 311.400459] 2819 [ 311.425988] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.431247] 6323 [ 311.434529] ? lock_downgrade+0x900/0x900 [ 311.439292] 6323 [ 311.441367] ? trace_hardirqs_off+0xb8/0x310 [ 311.446170] Node 0 [ 311.448238] ? trace_hardirqs_off+0xb8/0x310 [ 311.452374] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 311.454418] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.458786] lowmem_reserve[]: 0 [ 311.461055] ? warn_alloc+0x120/0x120 [ 311.465403] 0 3503 [ 311.492487] ? trace_hardirqs_on+0x310/0x310 [ 311.497302] 3503 [ 311.500584] ? warn_alloc+0x120/0x120 [ 311.504355] Node 0 [ 311.506591] ? print_usage_bug+0xc0/0xc0 [ 311.510997] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 311.513042] ? warn_alloc+0x120/0x120 [ 311.516806] lowmem_reserve[]: 0 [ 311.519057] ? ktime_get+0x2e1/0x440 [ 311.523095] 0 [ 311.551565] ? print_usage_bug+0xc0/0xc0 [ 311.555341] 0 [ 311.558624] ? __lock_acquire+0x7ec/0x4ec0 [ 311.562303] 0 [ 311.564109] ? __lock_acquire+0x7ec/0x4ec0 [ 311.569957] ? kasan_check_read+0x11/0x20 [ 311.574162] Node 0 [ 311.575973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.580179] DMA: [ 311.584324] ? should_fail+0x22d/0xd01 [ 311.586537] 1*4kB [ 311.592089] ? rcu_bh_qs+0xc0/0xc0 [ 311.594123] (U) [ 311.598004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.600166] 0*8kB [ 311.603699] ? __lock_acquire+0x7ec/0x4ec0 [ 311.605651] 0*16kB [ 311.610763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.612878] 1*32kB (U) [ 311.617119] ? __lock_acquire+0x7ec/0x4ec0 [ 311.619334] 2*64kB [ 311.624429] ? should_fail+0x22d/0xd01 [ 311.626988] (U) [ 311.631221] ? rcu_idle_enter+0x4b0/0x4b0 [ 311.633433] 1*128kB [ 311.637322] ? mark_held_locks+0x130/0x130 [ 311.639270] (U) [ 311.643410] ? mark_held_locks+0x130/0x130 [ 311.645712] 1*256kB [ 311.649957] ? mark_held_locks+0xc7/0x130 [ 311.651900] (U) [ 311.656131] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 311.658426] 0*512kB [ 311.662563] ? graph_lock+0x170/0x170 [ 311.664517] 1*1024kB [ 311.669554] ? print_usage_bug+0xc0/0xc0 [ 311.671852] (U) [ 311.675652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.678035] 1*2048kB (M) [ 311.682099] ? check_preemption_disabled+0x48/0x200 [ 311.684045] 3*4096kB (M) [ 311.689583] ? check_preemption_disabled+0x48/0x200 [ 311.692314] = 15908kB [ 311.697331] ? __lock_is_held+0xb5/0x140 [ 311.700059] Node 0 [ 311.705078] __alloc_pages_nodemask+0xa80/0xde0 [ 311.707461] DMA32: [ 311.711516] ? graph_lock+0x170/0x170 [ 311.713732] 5*4kB [ 311.718392] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.720605] (UM) [ 311.724397] ? graph_lock+0x170/0x170 [ 311.726518] 0*8kB 3*16kB [ 311.731574] ? find_held_lock+0x36/0x1c0 [ 311.733606] (UM) [ 311.737405] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.740127] 2*32kB (M) [ 311.744200] ? lock_downgrade+0x900/0x900 [ 311.746237] 5*64kB [ 311.750905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.753470] (UM) [ 311.757623] cache_grow_begin+0x91/0x8c0 [ 311.759827] 3*128kB [ 311.765360] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.767390] (M) [ 311.771449] fallback_alloc+0x203/0x2e0 [ 311.773740] 3*256kB (M) [ 311.778159] ____cache_alloc_node+0x1c7/0x1e0 [ 311.780100] 4*512kB (UM) [ 311.784077] kmem_cache_alloc_node+0xe3/0x730 [ 311.786720] 3*1024kB [ 311.791207] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.793948] (UM) [ 311.798469] __alloc_skb+0x119/0x770 [ 311.800848] 1*2048kB (M) [ 311.805088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.807134] 4*4096kB [ 311.810841] ? skb_scrub_packet+0x490/0x490 [ 311.813569] (M) [ 311.818852] ? lock_downgrade+0x900/0x900 [ 311.821235] = 25156kB [ 311.825554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.827513] Node 0 [ 311.831658] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.834043] Normal: [ 311.839574] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.841799] 1005*4kB [ 311.847242] ? addrconf_rs_timer+0x690/0x690 [ 311.849551] (MEH) [ 311.855031] ndisc_alloc_skb+0x144/0x340 [ 311.857401] 451*8kB (ME) [ 311.861826] ndisc_send_rs+0x331/0x6e0 [ 311.863968] 184*16kB [ 311.868026] addrconf_rs_timer+0x314/0x690 [ 311.870755] (UME) [ 311.874637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.877021] 94*32kB [ 311.881259] call_timer_fn+0x272/0x920 [ 311.883372] (UME) [ 311.887601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.889898] 5*64kB [ 311.893778] ? process_timeout+0x40/0x40 [ 311.895898] (UM) [ 311.900128] ? find_held_lock+0x36/0x1c0 [ 311.900152] ? mark_held_locks+0xc7/0x130 [ 311.902359] 0*128kB [ 311.906411] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.908453] 0*256kB [ 311.912504] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.916626] 0*512kB [ 311.918955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.923421] 0*1024kB [ 311.925746] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.930216] 0*2048kB [ 311.932553] ? trace_hardirqs_on+0xbd/0x310 [ 311.936762] 0*4096kB [ 311.939169] ? kasan_check_read+0x11/0x20 [ 311.943729] = 13900kB [ 311.946142] ? __run_timers+0x7da/0xc70 [ 311.950450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 311.952843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.956997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 311.959430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.963378] 4241 total pagecache pages [ 311.972206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.977636] 0 pages in swap cache [ 311.986217] __run_timers+0x7e5/0xc70 [ 311.990428] Swap cache stats: add 0, delete 0, find 0/0 [ 311.994312] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.998509] Free swap = 0kB [ 312.001965] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.005732] Total swap = 0kB [ 312.005740] 1965979 pages RAM [ 312.011093] ? graph_lock+0x170/0x170 [ 312.016431] 0 pages HighMem/MovableOnly [ 312.019439] ? print_usage_bug+0xc0/0xc0 [ 312.024435] 342307 pages reserved [ 312.027445] ? lock_release+0x970/0x970 [ 312.030556] 0 pages cma reserved [ 312.034348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.038360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.042352] ? find_held_lock+0x36/0x1c0 [ 312.042371] ? graph_lock+0x170/0x170 [ 312.042389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.045878] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.049791] ? check_preemption_disabled+0x48/0x200 [ 312.053127] syz-executor5 cpuset= [ 312.058331] ? __lock_is_held+0xb5/0x140 [ 312.064788] syz5 [ 312.068846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.072619] mems_allowed=0 [ 312.078150] ? check_preemption_disabled+0x48/0x200 [ 312.116566] run_timer_softirq+0x52/0xb0 [ 312.120645] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.125679] __do_softirq+0x30b/0xad8 [ 312.129496] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 312.134616] ? pvclock_read_flags+0x160/0x160 [ 312.139120] ? lapic_next_event+0x5a/0x90 [ 312.143277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.148848] ? check_preemption_disabled+0x48/0x200 [ 312.153885] ? check_preemption_disabled+0x48/0x200 [ 312.158943] ? kvm_clock_read+0x18/0x30 [ 312.162922] ? kvm_sched_clock_read+0x9/0x20 [ 312.167351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.172892] ? check_preemption_disabled+0x48/0x200 [ 312.177925] irq_exit+0x17f/0x1c0 [ 312.181407] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.186248] ? smp_reschedule_interrupt+0x109/0x650 [ 312.191269] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.197156] ? interrupt_entry+0xb5/0xf0 [ 312.201221] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.206240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.211259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.216102] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.221120] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.226142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.231696] ? check_preemption_disabled+0x48/0x200 [ 312.236732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.242294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.247161] apic_timer_interrupt+0xf/0x20 [ 312.251395] [ 312.253639] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 312.258655] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 312.277559] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 312.285277] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 312.292559] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 312.299826] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 312.307098] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 312.314363] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 312.321657] ? list_lru_count_one+0x36d/0x450 [ 312.326152] ? list_lru_count_one+0x260/0x450 [ 312.330671] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.336468] ? kasan_check_read+0x11/0x20 [ 312.340619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.345897] ? rcu_bh_qs+0xc0/0xc0 [ 312.349461] list_lru_count_one+0x265/0x450 [ 312.353784] ? list_lru_add+0x980/0x980 [ 312.357762] ? deferred_split_count+0x65/0x170 [ 312.362345] ? shrink_huge_zero_page_count+0xc8/0x100 [ 312.367540] super_cache_count+0x153/0x2e0 [ 312.371783] do_shrink_slab+0x1a7/0xd20 [ 312.375766] ? lock_release+0x970/0x970 [ 312.379743] ? snapshot_refaults+0x290/0x290 [ 312.384164] ? ___might_sleep+0x1ed/0x300 [ 312.388321] ? down_read_trylock+0xff/0x1e0 [ 312.392643] ? shrink_slab+0x207/0x8c0 [ 312.396534] ? downgrade_write+0x2b0/0x2b0 [ 312.400770] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.406311] ? shrink_node_memcg+0xc82/0x18e0 [ 312.410822] shrink_slab+0x389/0x8c0 [ 312.414548] ? shrink_active_list+0x1c20/0x1c20 [ 312.419228] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 312.424861] ? kasan_check_read+0x11/0x20 [ 312.429016] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.433433] ? ___preempt_schedule+0x16/0x18 [ 312.437850] ? _raw_spin_unlock+0x3f/0x50 [ 312.442019] shrink_node+0x431/0x16b0 [ 312.445820] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 312.451123] ? shrink_node_memcg+0x18e0/0x18e0 [ 312.455708] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.460294] ? trace_hardirqs_on+0xbd/0x310 [ 312.464618] ? vmpressure+0x271/0x340 [ 312.468424] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 312.473013] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.478554] ? __cpuset_node_allowed+0x19b/0x660 [ 312.483314] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 312.489033] ? vmpressure+0x1a2/0x340 [ 312.492848] do_try_to_free_pages+0x3e7/0x1290 [ 312.497480] ? shrink_node+0x16b0/0x16b0 [ 312.501541] ? __lock_is_held+0xb5/0x140 [ 312.505616] try_to_free_pages+0x4d0/0xb90 [ 312.509855] ? do_try_to_free_pages+0x1290/0x1290 [ 312.514699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.520251] ? lock_acquire+0x1ed/0x520 [ 312.524228] ? set_page_refcounted+0x280/0x280 [ 312.528824] ? lock_release+0x970/0x970 [ 312.532801] ? ___might_sleep+0x1ed/0x300 [ 312.536960] ? arch_local_save_flags+0x40/0x40 [ 312.541560] __alloc_pages_slowpath+0x993/0x2d80 [ 312.546354] ? warn_alloc+0x120/0x120 [ 312.550160] ? __radix_tree_lookup+0x4c0/0x4c0 [ 312.554757] ? find_get_entry+0x2f2/0xc40 [ 312.558917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.564468] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 312.569397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.574945] ? should_fail+0x22d/0xd01 [ 312.578846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.583959] ? __lock_is_held+0xb5/0x140 [ 312.588053] ? __lock_is_held+0xb5/0x140 [ 312.592124] ? __lock_acquire+0x7ec/0x4ec0 [ 312.596363] ? ___might_sleep+0x1ed/0x300 [ 312.600510] ? lock_release+0x970/0x970 [ 312.604487] ? arch_local_save_flags+0x40/0x40 [ 312.609081] ? __might_sleep+0x95/0x190 [ 312.613078] __alloc_pages_nodemask+0xa80/0xde0 [ 312.617754] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.622776] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.628572] ? kasan_check_read+0x11/0x20 [ 312.632728] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.638009] ? graph_lock+0x170/0x170 [ 312.641809] ? print_usage_bug+0xc0/0xc0 [ 312.645873] ? graph_lock+0x170/0x170 [ 312.649670] ? graph_lock+0x170/0x170 [ 312.653472] ? __do_page_cache_readahead+0x7ce/0x980 [ 312.658583] ? find_held_lock+0x36/0x1c0 [ 312.662651] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 312.668199] alloc_pages_current+0x10c/0x210 [ 312.672609] ? lock_downgrade+0x900/0x900 [ 312.676766] __page_cache_alloc+0x38f/0x5b0 [ 312.681088] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.686885] ? kasan_check_read+0x11/0x20 [ 312.691039] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.696321] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 312.700997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.706556] ? check_preemption_disabled+0x48/0x200 [ 312.711585] filemap_fault+0x1594/0x25f0 [ 312.715658] ? __lock_page_or_retry+0xa00/0xa00 [ 312.720325] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.726123] ? kasan_check_read+0x11/0x20 [ 312.730282] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.735560] ? ep_scan_ready_list+0xbeb/0x1050 [ 312.740144] ? rcu_bh_qs+0xc0/0xc0 [ 312.743682] ? lock_downgrade+0x900/0x900 [ 312.747833] ? graph_lock+0x170/0x170 [ 312.751655] ? filemap_map_pages+0xdea/0x1980 [ 312.756167] ? find_get_pages_range_tag+0x1320/0x1320 [ 312.761366] ? wait_for_completion+0x8a0/0x8a0 [ 312.765963] ? graph_lock+0x170/0x170 [ 312.769767] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.774348] ? kasan_check_read+0x11/0x20 [ 312.778493] ? ep_scan_ready_list+0xbc7/0x1050 [ 312.783091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.788553] ? lock_acquire+0x1ed/0x520 [ 312.792528] ? ext4_filemap_fault+0x7a/0xad [ 312.796856] ? lock_release+0x970/0x970 [ 312.800844] ? arch_local_save_flags+0x40/0x40 [ 312.805430] ? ep_poll_callback+0x10e0/0x10e0 [ 312.809954] ? down_read+0xb0/0x1d0 [ 312.813581] ? ext4_filemap_fault+0x7a/0xad [ 312.817912] ? __down_interruptible+0x700/0x700 [ 312.822605] ? get_futex_key+0x21b0/0x21b0 [ 312.826862] ext4_filemap_fault+0x82/0xad [ 312.831018] __do_fault+0x100/0x6b0 [ 312.834665] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.839166] ? print_bad_pte+0x6c0/0x6c0 [ 312.843230] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.847812] ? trace_hardirqs_on+0xbd/0x310 [ 312.852133] ? kasan_check_read+0x11/0x20 [ 312.856282] ? pmd_val+0x88/0x100 [ 312.859736] ? add_mm_counter_fast+0xd0/0xd0 [ 312.864146] ? pmd_val+0x88/0x100 [ 312.867612] ? add_mm_counter_fast+0xd0/0xd0 [ 312.872043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.877587] __handle_mm_fault+0x3709/0x53e0 [ 312.882010] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 312.886856] ? graph_lock+0x170/0x170 [ 312.890690] ? print_usage_bug+0xc0/0xc0 [ 312.894810] ? rcu_bh_qs+0xc0/0xc0 [ 312.898352] ? graph_lock+0x170/0x170 [ 312.902154] ? graph_lock+0x170/0x170 [ 312.905988] ? handle_mm_fault+0x42a/0xc70 [ 312.910226] ? lock_downgrade+0x900/0x900 [ 312.914376] ? check_preemption_disabled+0x48/0x200 [ 312.919400] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.925196] ? kasan_check_read+0x11/0x20 [ 312.929345] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.934623] ? rcu_bh_qs+0xc0/0xc0 [ 312.938164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.943620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.949159] ? check_preemption_disabled+0x48/0x200 [ 312.954187] handle_mm_fault+0x54f/0xc70 [ 312.958257] ? __handle_mm_fault+0x53e0/0x53e0 [ 312.962845] ? find_vma+0x34/0x190 [ 312.966394] __do_page_fault+0x67d/0xed0 [ 312.970466] ? mm_fault_error+0x380/0x380 [ 312.974629] ? trace_hardirqs_off+0xb8/0x310 [ 312.979056] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.984419] ? trace_hardirqs_on+0x310/0x310 [ 312.988833] do_page_fault+0xf2/0x7e0 [ 312.992652] ? vmalloc_sync_all+0x30/0x30 [ 312.996819] ? error_entry+0x70/0xd0 [ 313.000537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.005584] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.010512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.015440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.020286] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.025298] ? trace_hardirqs_off+0x310/0x310 [ 313.029797] ? prepare_exit_to_usermode+0x291/0x3b0 [ 313.034818] ? page_fault+0x8/0x30 [ 313.038361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.043205] ? page_fault+0x8/0x30 [ 313.046745] page_fault+0x1e/0x30 [ 313.050196] RIP: 0033:0x45df89 [ 313.053394] Code: Bad RIP value. [ 313.056753] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 313.062114] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 313.069380] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 313.076648] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 313.083912] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 313.091193] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 313.098486] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 313.098553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.105677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.105682] Call Trace: [ 313.105688] [ 313.105708] dump_stack+0x1c4/0x2b4 [ 313.105727] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.112285] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.121559] warn_alloc.cold.119+0xb7/0x1bd [ 313.124111] syz-fuzzer cpuset= [ 313.126257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.129860] / [ 313.135042] ? lock_downgrade+0x900/0x900 [ 313.145241] mems_allowed=0 [ 313.149555] ? trace_hardirqs_off+0xb8/0x310 [ 313.170703] ? trace_hardirqs_off+0xb8/0x310 [ 313.175124] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.180000] ? warn_alloc+0x120/0x120 [ 313.183807] ? warn_alloc+0x120/0x120 [ 313.187614] ? print_usage_bug+0xc0/0xc0 [ 313.191674] ? warn_alloc+0x120/0x120 [ 313.195476] ? print_usage_bug+0xc0/0xc0 [ 313.199553] ? __lock_acquire+0x7ec/0x4ec0 [ 313.203792] ? __lock_acquire+0x7ec/0x4ec0 [ 313.208037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.213578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.219117] ? should_fail+0x22d/0xd01 [ 313.223009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.228112] ? __lock_acquire+0x7ec/0x4ec0 [ 313.232351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.237455] ? __lock_acquire+0x7ec/0x4ec0 [ 313.241686] ? should_fail+0x22d/0xd01 [ 313.245589] ? mark_held_locks+0x130/0x130 [ 313.249832] ? mark_held_locks+0x130/0x130 [ 313.254079] ? graph_lock+0x170/0x170 [ 313.257881] ? print_usage_bug+0xc0/0xc0 [ 313.261946] ? graph_lock+0x170/0x170 [ 313.265752] ? print_usage_bug+0xc0/0xc0 [ 313.269835] ? wq_watchdog_touch+0x9c/0xfe [ 313.274071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.279613] ? check_preemption_disabled+0x48/0x200 [ 313.284635] ? check_preemption_disabled+0x48/0x200 [ 313.289680] ? __lock_is_held+0xb5/0x140 [ 313.293753] __alloc_pages_nodemask+0xa80/0xde0 [ 313.298427] ? graph_lock+0x170/0x170 [ 313.302249] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.307558] ? graph_lock+0x170/0x170 [ 313.311403] ? find_held_lock+0x36/0x1c0 [ 313.315492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.320162] ? lock_downgrade+0x900/0x900 [ 313.324320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.329864] cache_grow_begin+0x91/0x8c0 [ 313.333949] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.338367] fallback_alloc+0x203/0x2e0 [ 313.342351] ____cache_alloc_node+0x1c7/0x1e0 [ 313.346853] kmem_cache_alloc_node+0xe3/0x730 [ 313.351352] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.355596] __alloc_skb+0x119/0x770 [ 313.359313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.364597] ? skb_scrub_packet+0x490/0x490 [ 313.368921] ? lock_downgrade+0x900/0x900 [ 313.373086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.378628] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.384117] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.389569] ? addrconf_rs_timer+0x690/0x690 [ 313.393996] ndisc_alloc_skb+0x144/0x340 [ 313.398066] ndisc_send_rs+0x331/0x6e0 [ 313.401968] addrconf_rs_timer+0x314/0x690 [ 313.406209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.410545] call_timer_fn+0x272/0x920 [ 313.414432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.418675] ? process_timeout+0x40/0x40 [ 313.422735] ? find_held_lock+0x36/0x1c0 [ 313.426808] ? __run_timers+0x7da/0xc70 [ 313.430787] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.435288] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.440256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.444502] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.449087] ? trace_hardirqs_on+0xbd/0x310 [ 313.453410] ? kasan_check_read+0x11/0x20 [ 313.457580] ? __run_timers+0x7da/0xc70 [ 313.461560] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.467023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.471264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.475502] __run_timers+0x7e5/0xc70 [ 313.479319] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.484690] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.489708] ? graph_lock+0x170/0x170 [ 313.493519] ? enqueue_hrtimer+0x1a5/0x560 [ 313.497781] ? lock_release+0x970/0x970 [ 313.501768] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.506968] ? find_held_lock+0x36/0x1c0 [ 313.511041] ? graph_lock+0x170/0x170 [ 313.514843] ? pvclock_read_flags+0x160/0x160 [ 313.519344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.524888] ? check_preemption_disabled+0x48/0x200 [ 313.529954] ? __lock_is_held+0xb5/0x140 [ 313.534017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.539560] ? check_preemption_disabled+0x48/0x200 [ 313.544584] run_timer_softirq+0x52/0xb0 [ 313.548652] ? rcu_read_lock_sched_held+0x108/0x120 [ 313.553681] __do_softirq+0x30b/0xad8 [ 313.557502] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.562614] ? pvclock_read_flags+0x160/0x160 [ 313.567116] ? lapic_next_event+0x5a/0x90 [ 313.571270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.576815] ? check_preemption_disabled+0x48/0x200 [ 313.581835] ? check_preemption_disabled+0x48/0x200 [ 313.586863] ? kvm_clock_read+0x18/0x30 [ 313.590837] ? kvm_sched_clock_read+0x9/0x20 [ 313.595247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.600786] ? check_preemption_disabled+0x48/0x200 [ 313.605818] irq_exit+0x17f/0x1c0 [ 313.609276] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.614118] ? smp_reschedule_interrupt+0x109/0x650 [ 313.619140] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.625031] ? interrupt_entry+0xb5/0xf0 [ 313.629096] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.634116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.639137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.643983] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.649000] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.654017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.659559] ? check_preemption_disabled+0x48/0x200 [ 313.664577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.670126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.675006] apic_timer_interrupt+0xf/0x20 [ 313.679256] [ 313.681498] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 313.686428] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 313.705343] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.713067] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.720344] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 313.727620] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 313.734896] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 313.742174] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 313.749500] skb_clone+0x1bb/0x500 [ 313.753043] ? finish_task_switch+0x1b5/0x900 [ 313.757545] ? skb_split+0x11e0/0x11e0 [ 313.761457] ? preempt_notifier_register+0x200/0x200 [ 313.766558] ? __switch_to_asm+0x34/0x70 [ 313.770619] ? __switch_to_asm+0x34/0x70 [ 313.774679] ? __switch_to_asm+0x40/0x70 [ 313.778740] ? __switch_to_asm+0x34/0x70 [ 313.782801] ? __switch_to_asm+0x40/0x70 [ 313.786857] ? __switch_to_asm+0x34/0x70 [ 313.790917] ? __switch_to_asm+0x40/0x70 [ 313.794983] ? __switch_to_asm+0x34/0x70 [ 313.799043] ? __switch_to_asm+0x34/0x70 [ 313.803105] ? __switch_to_asm+0x40/0x70 [ 313.807166] ? __switch_to_asm+0x34/0x70 [ 313.811237] bpf_clone_redirect+0xb9/0x490 [ 313.815480] ? __schedule+0x874/0x1ed0 [ 313.819373] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 313.824404] ? __sched_text_start+0x8/0x8 [ 313.828583] ? find_held_lock+0x36/0x1c0 [ 313.832690] ? lock_acquire+0x1ed/0x520 [ 313.836667] ? bpf_test_run+0x32e/0x5a0 [ 313.840644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.846189] ? check_preemption_disabled+0x48/0x200 [ 313.851223] ? kasan_check_read+0x11/0x20 [ 313.855393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.860688] ? rcu_bh_qs+0xc0/0xc0 [ 313.864230] ? preempt_schedule+0x4d/0x60 [ 313.868380] ? ___preempt_schedule+0x16/0x18 [ 313.872798] ? bpf_test_run+0x1c0/0x5a0 [ 313.876787] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.881202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.886739] ? bpf_test_init.isra.9+0x70/0x100 [ 313.891330] ? bpf_prog_test_run_skb+0x634/0xb40 [ 313.896095] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.900950] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.906492] ? fput+0x130/0x1a0 [ 313.909776] ? __bpf_prog_get+0x9b/0x290 [ 313.913840] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.918679] ? bpf_prog_test_run+0x130/0x1a0 [ 313.923096] ? __x64_sys_bpf+0x3d8/0x510 [ 313.927157] ? bpf_prog_get+0x20/0x20 [ 313.930985] ? do_syscall_64+0x1b9/0x820 [ 313.935051] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.940416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.945358] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.950376] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.955393] ? recalc_sigpending_tsk+0x180/0x180 [ 313.960149] ? kasan_check_write+0x14/0x20 [ 313.964390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.969242] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.974618] warn_alloc_show_mem: 1 callbacks suppressed [ 313.974631] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 313.974633] Mem-Info: [ 313.974664] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 313.974664] active_file:13 inactive_file:13 isolated_file:1 [ 313.974664] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.974664] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 313.974664] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 313.974664] free:13741 free_pcp:221 free_cma:0 [ 313.980007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.986956] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.989364] Call Trace: [ 314.022416] Node 0 [ 314.031774] [ 314.059639] 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 [ 314.062203] dump_stack+0x1c4/0x2b4 [ 314.064401] lowmem_reserve[]: 0 [ 314.066574] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.092048] 2819 [ 314.095680] warn_alloc.cold.119+0xb7/0x1bd [ 314.098920] 6323 [ 314.104123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.106164] 6323 [ 314.110486] ? lock_downgrade+0x900/0x900 [ 314.117363] ? trace_hardirqs_off+0xb8/0x310 [ 314.119396] Node 0 [ 314.123542] ? trace_hardirqs_off+0xb8/0x310 [ 314.127948] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 314.130168] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.134535] lowmem_reserve[]: 0 [ 314.162850] ? warn_alloc+0x120/0x120 [ 314.167649] 0 [ 314.170925] ? trace_hardirqs_on+0x310/0x310 [ 314.174707] 3503 [ 314.176504] ? warn_alloc+0x120/0x120 [ 314.180885] 3503 [ 314.182955] ? print_usage_bug+0xc0/0xc0 [ 314.186747] Node 0 [ 314.188817] ? warn_alloc+0x120/0x120 [ 314.192883] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 314.195092] ? ktime_get+0x2e1/0x440 [ 314.198863] lowmem_reserve[]: 0 [ 314.227337] ? print_usage_bug+0xc0/0xc0 [ 314.231028] 0 [ 314.234303] ? __lock_acquire+0x7ec/0x4ec0 [ 314.238337] 0 [ 314.240140] ? __lock_acquire+0x7ec/0x4ec0 [ 314.244346] 0 [ 314.246141] ? kasan_check_read+0x11/0x20 [ 314.252145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.256264] Node 0 [ 314.261792] ? should_fail+0x22d/0xd01 [ 314.261802] DMA: [ 314.264034] ? rcu_bh_qs+0xc0/0xc0 [ 314.267896] 1*4kB [ 314.269960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.273473] (U) [ 314.275615] ? __lock_acquire+0x7ec/0x4ec0 [ 314.280697] 0*8kB [ 314.282671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.286880] 0*16kB [ 314.289025] ? __lock_acquire+0x7ec/0x4ec0 [ 314.294101] 1*32kB [ 314.296329] ? should_fail+0x22d/0xd01 [ 314.300539] (U) [ 314.302774] ? rcu_idle_enter+0x4b0/0x4b0 [ 314.306625] 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 314.306662] Node 0 DMA32: 5*4kB (UM) 0*8kB 3*16kB (UM) 2*32kB (M) 5*64kB (UM) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25156kB [ 314.306724] Node 0 Normal: 1005*4kB (MEH) 451*8kB (ME) 184*16kB (UME) 94*32kB (UME) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB [ 314.306780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.306786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.306789] 4241 total pagecache pages [ 314.306798] 0 pages in swap cache [ 314.306802] Swap cache stats: add 0, delete 0, find 0/0 [ 314.306805] Free swap = 0kB [ 314.306808] Total swap = 0kB [ 314.306812] 1965979 pages RAM [ 314.306814] 0 pages HighMem/MovableOnly [ 314.306817] 342307 pages reserved [ 314.306820] 0 pages cma reserved [ 314.306886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.306943] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.306951] syz-executor5 cpuset=syz5 [ 314.308958] ? mark_held_locks+0x130/0x130 [ 314.313076] mems_allowed=0 [ 314.322600] ? mark_held_locks+0x130/0x130 [ 314.433445] ? mark_held_locks+0xc7/0x130 [ 314.437600] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 314.442616] ? graph_lock+0x170/0x170 [ 314.446417] ? print_usage_bug+0xc0/0xc0 [ 314.450482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.456020] ? check_preemption_disabled+0x48/0x200 [ 314.461036] ? check_preemption_disabled+0x48/0x200 [ 314.466066] ? __lock_is_held+0xb5/0x140 [ 314.470138] __alloc_pages_nodemask+0xa80/0xde0 [ 314.474823] ? graph_lock+0x170/0x170 [ 314.478632] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.483644] ? graph_lock+0x170/0x170 [ 314.487458] ? find_held_lock+0x36/0x1c0 [ 314.491560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.496227] ? lock_downgrade+0x900/0x900 [ 314.500381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.505922] cache_grow_begin+0x91/0x8c0 [ 314.510001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.514418] fallback_alloc+0x203/0x2e0 [ 314.518400] ____cache_alloc_node+0x1c7/0x1e0 [ 314.522899] kmem_cache_alloc_node+0xe3/0x730 [ 314.527405] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.531667] __alloc_skb+0x119/0x770 [ 314.535386] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.540664] ? skb_scrub_packet+0x490/0x490 [ 314.544986] ? lock_downgrade+0x900/0x900 [ 314.549140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.554678] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.560135] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.565589] ? addrconf_rs_timer+0x690/0x690 [ 314.570016] ndisc_alloc_skb+0x144/0x340 [ 314.574087] ndisc_send_rs+0x331/0x6e0 [ 314.577986] addrconf_rs_timer+0x314/0x690 [ 314.582230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.586479] call_timer_fn+0x272/0x920 [ 314.590367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.594606] ? process_timeout+0x40/0x40 [ 314.598669] ? find_held_lock+0x36/0x1c0 [ 314.602741] ? mark_held_locks+0xc7/0x130 [ 314.606896] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.611394] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.615920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.620169] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.624752] ? trace_hardirqs_on+0xbd/0x310 [ 314.629075] ? kasan_check_read+0x11/0x20 [ 314.633225] ? __run_timers+0x7da/0xc70 [ 314.637205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.642676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.646919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.651164] __run_timers+0x7e5/0xc70 [ 314.654985] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.660348] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.665369] ? graph_lock+0x170/0x170 [ 314.669175] ? print_usage_bug+0xc0/0xc0 [ 314.673232] ? lock_release+0x970/0x970 [ 314.677211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.682410] ? find_held_lock+0x36/0x1c0 [ 314.686477] ? graph_lock+0x170/0x170 [ 314.690280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.695816] ? check_preemption_disabled+0x48/0x200 [ 314.700849] ? __lock_is_held+0xb5/0x140 [ 314.704912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.710463] ? check_preemption_disabled+0x48/0x200 [ 314.715488] run_timer_softirq+0x52/0xb0 [ 314.719549] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.724568] __do_softirq+0x30b/0xad8 [ 314.728382] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.733492] ? pvclock_read_flags+0x160/0x160 [ 314.737992] ? lapic_next_event+0x5a/0x90 [ 314.742142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.747683] ? check_preemption_disabled+0x48/0x200 [ 314.752705] ? check_preemption_disabled+0x48/0x200 [ 314.757728] ? kvm_clock_read+0x18/0x30 [ 314.761704] ? kvm_sched_clock_read+0x9/0x20 [ 314.766117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.771660] ? check_preemption_disabled+0x48/0x200 [ 314.776693] irq_exit+0x17f/0x1c0 [ 314.780152] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.784998] ? smp_reschedule_interrupt+0x109/0x650 [ 314.790016] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.795903] ? interrupt_entry+0xb5/0xf0 [ 314.799975] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.804988] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.810007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.814848] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.819864] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.824881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.830419] ? check_preemption_disabled+0x48/0x200 [ 314.835435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.840980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.845832] apic_timer_interrupt+0xf/0x20 [ 314.850059] [ 314.852300] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 314.857314] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 314.876230] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 314.883967] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 314.891250] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 314.898521] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 314.905792] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 314.913067] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 314.920366] ? list_lru_count_one+0x36d/0x450 [ 314.924864] ? list_lru_count_one+0x260/0x450 [ 314.929373] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.935167] ? kasan_check_read+0x11/0x20 [ 314.939323] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.944601] ? rcu_bh_qs+0xc0/0xc0 [ 314.948153] list_lru_count_one+0x265/0x450 [ 314.952479] ? list_lru_add+0x980/0x980 [ 314.956455] ? deferred_split_count+0x65/0x170 [ 314.961034] ? shrink_huge_zero_page_count+0xc8/0x100 [ 314.966229] super_cache_count+0x153/0x2e0 [ 314.970469] do_shrink_slab+0x1a7/0xd20 [ 314.974454] ? lock_release+0x970/0x970 [ 314.978434] ? snapshot_refaults+0x290/0x290 [ 314.982847] ? ___might_sleep+0x1ed/0x300 [ 314.987000] ? down_read_trylock+0xff/0x1e0 [ 314.991321] ? shrink_slab+0x207/0x8c0 [ 314.995210] ? downgrade_write+0x2b0/0x2b0 [ 314.999451] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.005001] ? shrink_node_memcg+0xc82/0x18e0 [ 315.009512] shrink_slab+0x389/0x8c0 [ 315.013226] ? shrink_active_list+0x1c20/0x1c20 [ 315.018006] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 315.023639] ? kasan_check_read+0x11/0x20 [ 315.027793] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.032215] ? ___preempt_schedule+0x16/0x18 [ 315.036637] ? _raw_spin_unlock+0x3f/0x50 [ 315.040796] shrink_node+0x431/0x16b0 [ 315.044602] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 315.049910] ? shrink_node_memcg+0x18e0/0x18e0 [ 315.054512] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.059101] ? trace_hardirqs_on+0xbd/0x310 [ 315.063430] ? vmpressure+0x271/0x340 [ 315.067240] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 315.071829] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.077368] ? __cpuset_node_allowed+0x19b/0x660 [ 315.082131] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 315.087949] ? vmpressure+0x1a2/0x340 [ 315.091764] do_try_to_free_pages+0x3e7/0x1290 [ 315.096455] ? shrink_node+0x16b0/0x16b0 [ 315.100518] ? __lock_is_held+0xb5/0x140 [ 315.104598] try_to_free_pages+0x4d0/0xb90 [ 315.108838] ? do_try_to_free_pages+0x1290/0x1290 [ 315.113679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.119233] ? lock_acquire+0x1ed/0x520 [ 315.123208] ? set_page_refcounted+0x280/0x280 [ 315.127797] ? lock_release+0x970/0x970 [ 315.131781] ? ___might_sleep+0x1ed/0x300 [ 315.135947] ? arch_local_save_flags+0x40/0x40 [ 315.140559] __alloc_pages_slowpath+0x993/0x2d80 [ 315.145362] ? warn_alloc+0x120/0x120 [ 315.149182] ? __radix_tree_lookup+0x4c0/0x4c0 [ 315.153795] ? find_get_entry+0x2f2/0xc40 [ 315.157970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.163513] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 315.168445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.173993] ? should_fail+0x22d/0xd01 [ 315.177888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.182998] ? __lock_is_held+0xb5/0x140 [ 315.187086] ? __lock_is_held+0xb5/0x140 [ 315.191162] ? __lock_acquire+0x7ec/0x4ec0 [ 315.195400] ? ___might_sleep+0x1ed/0x300 [ 315.199636] ? lock_release+0x970/0x970 [ 315.203617] ? arch_local_save_flags+0x40/0x40 [ 315.208213] ? __might_sleep+0x95/0x190 [ 315.212193] __alloc_pages_nodemask+0xa80/0xde0 [ 315.216874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.221900] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.227702] ? kasan_check_read+0x11/0x20 [ 315.231855] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.237140] ? graph_lock+0x170/0x170 [ 315.240955] ? print_usage_bug+0xc0/0xc0 [ 315.245024] ? graph_lock+0x170/0x170 [ 315.248822] ? graph_lock+0x170/0x170 [ 315.252621] ? __do_page_cache_readahead+0x7ce/0x980 [ 315.257729] ? find_held_lock+0x36/0x1c0 [ 315.261795] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 315.267335] alloc_pages_current+0x10c/0x210 [ 315.271742] ? lock_downgrade+0x900/0x900 [ 315.275898] __page_cache_alloc+0x38f/0x5b0 [ 315.280229] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.286222] ? kasan_check_read+0x11/0x20 [ 315.290377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.295659] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 315.300331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.305876] ? check_preemption_disabled+0x48/0x200 [ 315.311350] filemap_fault+0x1594/0x25f0 [ 315.315428] ? __lock_page_or_retry+0xa00/0xa00 [ 315.320097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.325891] ? kasan_check_read+0x11/0x20 [ 315.330041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.335314] ? ep_scan_ready_list+0xbeb/0x1050 [ 315.339899] ? rcu_bh_qs+0xc0/0xc0 [ 315.343452] ? lock_downgrade+0x900/0x900 [ 315.347603] ? graph_lock+0x170/0x170 [ 315.351411] ? filemap_map_pages+0xdea/0x1980 [ 315.355925] ? find_get_pages_range_tag+0x1320/0x1320 [ 315.361132] ? wait_for_completion+0x8a0/0x8a0 [ 315.365717] ? graph_lock+0x170/0x170 [ 315.369521] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.374108] ? kasan_check_read+0x11/0x20 [ 315.378262] ? ep_scan_ready_list+0xbc7/0x1050 [ 315.382847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.388307] ? lock_acquire+0x1ed/0x520 [ 315.392279] ? ext4_filemap_fault+0x7a/0xad [ 315.396607] ? lock_release+0x970/0x970 [ 315.400580] ? arch_local_save_flags+0x40/0x40 [ 315.405164] ? ep_poll_callback+0x10e0/0x10e0 [ 315.409673] ? down_read+0xb0/0x1d0 [ 315.413301] ? ext4_filemap_fault+0x7a/0xad [ 315.417629] ? __down_interruptible+0x700/0x700 [ 315.422303] ? get_futex_key+0x21b0/0x21b0 [ 315.426553] ext4_filemap_fault+0x82/0xad [ 315.430709] __do_fault+0x100/0x6b0 [ 315.434341] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.438836] ? print_bad_pte+0x6c0/0x6c0 [ 315.443050] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.447637] ? trace_hardirqs_on+0xbd/0x310 [ 315.451962] ? kasan_check_read+0x11/0x20 [ 315.456115] ? pmd_val+0x88/0x100 [ 315.459568] ? add_mm_counter_fast+0xd0/0xd0 [ 315.463978] ? pmd_val+0x88/0x100 [ 315.467429] ? add_mm_counter_fast+0xd0/0xd0 [ 315.471842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.477383] __handle_mm_fault+0x3709/0x53e0 [ 315.481804] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 315.486647] ? graph_lock+0x170/0x170 [ 315.490449] ? print_usage_bug+0xc0/0xc0 [ 315.494514] ? rcu_bh_qs+0xc0/0xc0 [ 315.498069] ? graph_lock+0x170/0x170 [ 315.501869] ? graph_lock+0x170/0x170 [ 315.505691] ? handle_mm_fault+0x42a/0xc70 [ 315.509937] ? lock_downgrade+0x900/0x900 [ 315.514092] ? check_preemption_disabled+0x48/0x200 [ 315.519116] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.524910] ? kasan_check_read+0x11/0x20 [ 315.529071] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.534347] ? rcu_bh_qs+0xc0/0xc0 [ 315.537894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.543344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.548899] ? check_preemption_disabled+0x48/0x200 [ 315.553976] handle_mm_fault+0x54f/0xc70 [ 315.558046] ? __handle_mm_fault+0x53e0/0x53e0 [ 315.562633] ? find_vma+0x34/0x190 [ 315.566190] __do_page_fault+0x67d/0xed0 [ 315.570260] ? mm_fault_error+0x380/0x380 [ 315.574404] ? trace_hardirqs_off+0xb8/0x310 [ 315.578821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.584185] ? trace_hardirqs_on+0x310/0x310 [ 315.588601] do_page_fault+0xf2/0x7e0 [ 315.592405] ? vmalloc_sync_all+0x30/0x30 [ 315.596567] ? error_entry+0x70/0xd0 [ 315.600285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.605299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 315.610227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.615152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.619996] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.625009] ? trace_hardirqs_off+0x310/0x310 [ 315.629510] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.634525] ? page_fault+0x8/0x30 [ 315.638068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.642917] ? page_fault+0x8/0x30 [ 315.646473] page_fault+0x1e/0x30 [ 315.649950] RIP: 0033:0x45df89 [ 315.653151] Code: Bad RIP value. [ 315.656512] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 315.661877] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 315.669145] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 315.676418] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 315.683683] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 315.690963] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 315.698259] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 315.698369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.705475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.705480] Call Trace: [ 315.705486] [ 315.705505] dump_stack+0x1c4/0x2b4 [ 315.705527] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.712089] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.721389] warn_alloc.cold.119+0xb7/0x1bd [ 315.723947] syz-fuzzer cpuset= [ 315.726090] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.729703] / [ 315.734888] ? lock_downgrade+0x900/0x900 [ 315.745095] mems_allowed=0 [ 315.749408] ? trace_hardirqs_off+0xb8/0x310 [ 315.770548] ? trace_hardirqs_off+0xb8/0x310 [ 315.774971] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.779845] ? warn_alloc+0x120/0x120 [ 315.783660] ? graph_lock+0x170/0x170 [ 315.787465] ? warn_alloc+0x120/0x120 [ 315.791268] ? print_usage_bug+0xc0/0xc0 [ 315.795329] ? warn_alloc+0x120/0x120 [ 315.799132] ? print_usage_bug+0xc0/0xc0 [ 315.803194] ? __lock_acquire+0x7ec/0x4ec0 [ 315.807428] ? __lock_acquire+0x7ec/0x4ec0 [ 315.811670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.817207] ? should_fail+0x22d/0xd01 [ 315.821100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.826202] ? __lock_acquire+0x7ec/0x4ec0 [ 315.830447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.835567] ? __lock_acquire+0x7ec/0x4ec0 [ 315.839801] ? should_fail+0x22d/0xd01 [ 315.843700] ? mark_held_locks+0x130/0x130 [ 315.847948] ? mark_held_locks+0x130/0x130 [ 315.852187] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.856600] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 315.861215] ? graph_lock+0x170/0x170 [ 315.865014] ? print_usage_bug+0xc0/0xc0 [ 315.869091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.874667] ? check_preemption_disabled+0x48/0x200 [ 315.879692] ? check_preemption_disabled+0x48/0x200 [ 315.884722] ? __lock_is_held+0xb5/0x140 [ 315.888788] __alloc_pages_nodemask+0xa80/0xde0 [ 315.893465] ? graph_lock+0x170/0x170 [ 315.897269] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.902282] ? graph_lock+0x170/0x170 [ 315.906092] ? find_held_lock+0x36/0x1c0 [ 315.910167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.914835] ? lock_downgrade+0x900/0x900 [ 315.918992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.924554] cache_grow_begin+0x91/0x8c0 [ 315.928616] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.933035] fallback_alloc+0x203/0x2e0 [ 315.937019] ____cache_alloc_node+0x1c7/0x1e0 [ 315.941519] kmem_cache_alloc_node+0xe3/0x730 [ 315.946020] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.950270] __alloc_skb+0x119/0x770 [ 315.954003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.959287] ? skb_scrub_packet+0x490/0x490 [ 315.963639] ? lock_downgrade+0x900/0x900 [ 315.967795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.973331] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.978788] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.984240] ? addrconf_rs_timer+0x690/0x690 [ 315.988661] ndisc_alloc_skb+0x144/0x340 [ 315.992728] ndisc_send_rs+0x331/0x6e0 [ 315.996626] addrconf_rs_timer+0x314/0x690 [ 316.000871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.005119] call_timer_fn+0x272/0x920 [ 316.009007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.013247] ? process_timeout+0x40/0x40 [ 316.017306] ? find_held_lock+0x36/0x1c0 [ 316.021376] ? __run_timers+0x7da/0xc70 [ 316.025353] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.029851] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.034343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.038576] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.043160] ? trace_hardirqs_on+0xbd/0x310 [ 316.047480] ? kasan_check_read+0x11/0x20 [ 316.051627] ? __run_timers+0x7da/0xc70 [ 316.055609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.061069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.065308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.069547] __run_timers+0x7e5/0xc70 [ 316.073361] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.078732] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.083753] ? graph_lock+0x170/0x170 [ 316.087556] ? enqueue_hrtimer+0x1a5/0x560 [ 316.091787] ? lock_release+0x970/0x970 [ 316.095762] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.100968] ? find_held_lock+0x36/0x1c0 [ 316.105038] ? graph_lock+0x170/0x170 [ 316.108839] ? pvclock_read_flags+0x160/0x160 [ 316.113336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.118877] ? check_preemption_disabled+0x48/0x200 [ 316.123904] ? __lock_is_held+0xb5/0x140 [ 316.127978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.133518] ? check_preemption_disabled+0x48/0x200 [ 316.138544] run_timer_softirq+0x52/0xb0 [ 316.142606] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.147637] __do_softirq+0x30b/0xad8 [ 316.151460] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.156570] ? pvclock_read_flags+0x160/0x160 [ 316.161069] ? lapic_next_event+0x5a/0x90 [ 316.165219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.170759] ? check_preemption_disabled+0x48/0x200 [ 316.175774] ? check_preemption_disabled+0x48/0x200 [ 316.180798] ? kvm_clock_read+0x18/0x30 [ 316.184770] ? kvm_sched_clock_read+0x9/0x20 [ 316.189181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.194721] ? check_preemption_disabled+0x48/0x200 [ 316.199754] irq_exit+0x17f/0x1c0 [ 316.203210] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.208051] ? smp_reschedule_interrupt+0x109/0x650 [ 316.213073] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.218963] ? interrupt_entry+0xb5/0xf0 [ 316.223025] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.228042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.233061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.237903] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.242923] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.247955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.253515] ? check_preemption_disabled+0x48/0x200 [ 316.258528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.264077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.268942] apic_timer_interrupt+0xf/0x20 [ 316.273173] [ 316.275413] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 316.280346] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 316.299249] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 316.306964] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 316.314230] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 316.321496] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 316.328765] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 316.336031] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 316.343347] skb_clone+0x1bb/0x500 [ 316.346893] ? finish_task_switch+0x1b5/0x900 [ 316.351403] ? skb_split+0x11e0/0x11e0 [ 316.355297] ? preempt_notifier_register+0x200/0x200 [ 316.360397] ? __switch_to_asm+0x34/0x70 [ 316.364463] ? __switch_to_asm+0x34/0x70 [ 316.368521] ? __switch_to_asm+0x40/0x70 [ 316.372580] ? __switch_to_asm+0x34/0x70 [ 316.376643] ? __switch_to_asm+0x40/0x70 [ 316.380701] ? __switch_to_asm+0x34/0x70 [ 316.384763] ? __switch_to_asm+0x40/0x70 [ 316.388820] ? __switch_to_asm+0x34/0x70 [ 316.392879] ? __switch_to_asm+0x34/0x70 [ 316.396944] ? __switch_to_asm+0x40/0x70 [ 316.401006] ? __switch_to_asm+0x34/0x70 [ 316.405081] bpf_clone_redirect+0xb9/0x490 [ 316.409317] ? __schedule+0x874/0x1ed0 [ 316.413216] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 316.418241] ? __sched_text_start+0x8/0x8 [ 316.422406] ? find_held_lock+0x36/0x1c0 [ 316.426477] ? lock_acquire+0x1ed/0x520 [ 316.430454] ? bpf_test_run+0x32e/0x5a0 [ 316.434432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.440006] ? check_preemption_disabled+0x48/0x200 [ 316.445033] ? kasan_check_read+0x11/0x20 [ 316.449184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.454476] ? rcu_bh_qs+0xc0/0xc0 [ 316.458022] ? preempt_schedule+0x4d/0x60 [ 316.462171] ? ___preempt_schedule+0x16/0x18 [ 316.466584] ? bpf_test_run+0x1c0/0x5a0 [ 316.470596] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.475007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.480550] ? bpf_test_init.isra.9+0x70/0x100 [ 316.485147] ? bpf_prog_test_run_skb+0x634/0xb40 [ 316.489917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.494774] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.500311] ? fput+0x130/0x1a0 [ 316.503621] ? __bpf_prog_get+0x9b/0x290 [ 316.507699] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.512539] ? bpf_prog_test_run+0x130/0x1a0 [ 316.516958] ? __x64_sys_bpf+0x3d8/0x510 [ 316.521023] ? bpf_prog_get+0x20/0x20 [ 316.524848] ? do_syscall_64+0x1b9/0x820 [ 316.528921] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.534328] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.539264] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.544284] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.549304] ? recalc_sigpending_tsk+0x180/0x180 [ 316.554059] ? kasan_check_write+0x14/0x20 [ 316.558298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.563153] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.568530] warn_alloc_show_mem: 1 callbacks suppressed [ 316.568542] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 316.568544] Mem-Info: [ 316.568575] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 316.568575] active_file:13 inactive_file:13 isolated_file:1 [ 316.568575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.568575] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 316.568575] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 316.568575] free:13741 free_pcp:221 free_cma:0 [ 316.573915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.580849] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.583249] Call Trace: [ 316.616286] Node 0 [ 316.625628] [ 316.653481] 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 [ 316.656042] dump_stack+0x1c4/0x2b4 [ 316.658241] lowmem_reserve[]: 0 [ 316.660397] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.685865] 2819 6323 [ 316.689510] warn_alloc.cold.119+0xb7/0x1bd [ 316.692749] 6323 [ 316.697955] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.700425] Node 0 [ 316.704744] ? lock_downgrade+0x900/0x900 [ 316.706805] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 316.711643] ? trace_hardirqs_off+0xb8/0x310 [ 316.713845] lowmem_reserve[]: 0 [ 316.717995] ? trace_hardirqs_off+0xb8/0x310 [ 316.745032] 0 3503 [ 316.749453] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.752701] 3503 [ 316.757145] ? warn_alloc+0x120/0x120 [ 316.759332] Node 0 [ 316.764169] ? trace_hardirqs_on+0x310/0x310 [ 316.766233] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 316.770002] ? warn_alloc+0x120/0x120 [ 316.772211] lowmem_reserve[]: [ 316.776612] ? print_usage_bug+0xc0/0xc0 [ 316.805042] 0 [ 316.808835] ? warn_alloc+0x120/0x120 [ 316.811916] 0 [ 316.815977] ? ktime_get+0x2e1/0x440 [ 316.817748] 0 0 [ 316.821548] ? print_usage_bug+0xc0/0xc0 [ 316.823327] Node 0 [ 316.827031] ? __lock_acquire+0x7ec/0x4ec0 [ 316.828976] DMA: 1*4kB [ 316.833035] ? __lock_acquire+0x7ec/0x4ec0 [ 316.835249] (U) [ 316.839477] ? kasan_check_read+0x11/0x20 [ 316.842037] 0*8kB [ 316.846262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.848207] 0*16kB 1*32kB [ 316.852354] ? should_fail+0x22d/0xd01 [ 316.854480] (U) [ 316.860064] ? rcu_bh_qs+0xc0/0xc0 [ 316.862891] 2*64kB [ 316.866789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.868738] (U) [ 316.872277] ? __lock_acquire+0x7ec/0x4ec0 [ 316.874494] 1*128kB [ 316.879590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.881541] (U) [ 316.885777] ? __lock_acquire+0x7ec/0x4ec0 [ 316.888078] 1*256kB [ 316.893170] ? should_fail+0x22d/0xd01 [ 316.895116] (U) 0*512kB [ 316.899368] ? rcu_idle_enter+0x4b0/0x4b0 [ 316.901683] 1*1024kB [ 316.905564] ? mark_held_locks+0x130/0x130 [ 316.908204] (U) [ 316.912345] ? mark_held_locks+0x130/0x130 [ 316.914724] 1*2048kB (M) [ 316.918973] ? mark_held_locks+0xc7/0x130 [ 316.920923] 3*4096kB (M) [ 316.925174] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 316.927903] = 15908kB [ 316.932039] ? graph_lock+0x170/0x170 [ 316.934775] Node 0 [ 316.939785] ? print_usage_bug+0xc0/0xc0 [ 316.942171] DMA32: [ 316.945976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.948191] 5*4kB [ 316.952246] ? check_preemption_disabled+0x48/0x200 [ 316.954461] (UM) [ 316.959991] ? check_preemption_disabled+0x48/0x200 [ 316.962111] 0*8kB 3*16kB [ 316.967138] ? __lock_is_held+0xb5/0x140 [ 316.969167] (UM) [ 316.974179] __alloc_pages_nodemask+0xa80/0xde0 [ 316.976907] 2*32kB (M) [ 316.980980] ? graph_lock+0x170/0x170 [ 316.983018] 5*64kB [ 316.987678] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.990233] (UM) [ 316.994023] ? graph_lock+0x170/0x170 [ 316.996240] 3*128kB [ 317.001254] ? find_held_lock+0x36/0x1c0 [ 317.003289] (M) [ 317.007087] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.009376] 3*256kB (M) [ 317.013435] ? lock_downgrade+0x900/0x900 [ 317.015392] 4*512kB [ 317.020054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.022697] (UM) [ 317.026840] cache_grow_begin+0x91/0x8c0 [ 317.029162] 3*1024kB [ 317.034691] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.036727] (UM) [ 317.040785] fallback_alloc+0x203/0x2e0 [ 317.043161] 1*2048kB (M) [ 317.047570] ____cache_alloc_node+0x1c7/0x1e0 [ 317.049605] 4*4096kB [ 317.053575] kmem_cache_alloc_node+0xe3/0x730 [ 317.056305] (M) [ 317.060795] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.063192] = 25156kB [ 317.067694] __alloc_skb+0x119/0x770 [ 317.069638] Node 0 [ 317.073900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.076276] Normal: 1005*4kB [ 317.079994] ? skb_scrub_packet+0x490/0x490 [ 317.082206] (MEH) [ 317.087474] ? lock_downgrade+0x900/0x900 [ 317.090555] 451*8kB [ 317.094874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.096998] (ME) [ 317.101140] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.103447] 184*16kB [ 317.108976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.111012] (UME) [ 317.116462] ? addrconf_rs_timer+0x690/0x690 [ 317.118845] 94*32kB (UME) [ 317.124304] ndisc_alloc_skb+0x144/0x340 [ 317.126417] 5*64kB (UM) [ 317.130866] ndisc_send_rs+0x331/0x6e0 [ 317.133688] 0*128kB [ 317.137744] addrconf_rs_timer+0x314/0x690 [ 317.140391] 0*256kB [ 317.144276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.146575] 0*512kB [ 317.150811] call_timer_fn+0x272/0x920 [ 317.153103] 0*1024kB [ 317.157335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.159627] 0*2048kB 0*4096kB [ 317.163520] ? process_timeout+0x40/0x40 [ 317.165903] = 13900kB [ 317.170126] ? find_held_lock+0x36/0x1c0 [ 317.173302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.177353] ? mark_held_locks+0xc7/0x130 [ 317.179738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.183787] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.192600] 4241 total pagecache pages [ 317.196742] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.205300] 0 pages in swap cache [ 317.209783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.213641] Swap cache stats: add 0, delete 0, find 0/0 [ 317.213649] Free swap = 0kB [ 317.218144] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 317.221579] Total swap = 0kB [ 317.221587] 1965979 pages RAM [ 317.225813] ? trace_hardirqs_on+0xbd/0x310 [ 317.231152] 0 pages HighMem/MovableOnly [ 317.231161] 342307 pages reserved [ 317.234170] ? kasan_check_read+0x11/0x20 [ 317.238731] 0 pages cma reserved [ 317.241743] ? __run_timers+0x7da/0xc70 [ 317.244889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.249135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.253184] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.256535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.260657] syz-executor5 cpuset= [ 317.264018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.267962] syz5 [ 317.274448] __run_timers+0x7e5/0xc70 [ 317.279881] mems_allowed=0 [ 317.290367] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.316748] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.321765] ? graph_lock+0x170/0x170 [ 317.325571] ? print_usage_bug+0xc0/0xc0 [ 317.329631] ? lock_release+0x970/0x970 [ 317.333609] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.338808] ? find_held_lock+0x36/0x1c0 [ 317.342875] ? graph_lock+0x170/0x170 [ 317.346681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.352219] ? check_preemption_disabled+0x48/0x200 [ 317.357250] ? __lock_is_held+0xb5/0x140 [ 317.361312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.366851] ? check_preemption_disabled+0x48/0x200 [ 317.371881] run_timer_softirq+0x52/0xb0 [ 317.375958] ? rcu_read_lock_sched_held+0x108/0x120 [ 317.380980] __do_softirq+0x30b/0xad8 [ 317.384796] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.389906] ? pvclock_read_flags+0x160/0x160 [ 317.394413] ? lapic_next_event+0x5a/0x90 [ 317.399340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.404877] ? check_preemption_disabled+0x48/0x200 [ 317.409980] ? check_preemption_disabled+0x48/0x200 [ 317.415005] ? kvm_clock_read+0x18/0x30 [ 317.418983] ? kvm_sched_clock_read+0x9/0x20 [ 317.423394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.428939] ? check_preemption_disabled+0x48/0x200 [ 317.433991] irq_exit+0x17f/0x1c0 [ 317.437451] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.442417] ? smp_reschedule_interrupt+0x109/0x650 [ 317.447443] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.453329] ? interrupt_entry+0xb5/0xf0 [ 317.457395] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.462418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.467446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.472305] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.477322] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.482346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.487885] ? check_preemption_disabled+0x48/0x200 [ 317.492900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.498455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.503309] apic_timer_interrupt+0xf/0x20 [ 317.507534] [ 317.509777] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 317.514796] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 317.533693] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 317.541407] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 317.548674] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 317.555952] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 317.563220] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 317.570485] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 317.577784] ? list_lru_count_one+0x36d/0x450 [ 317.582281] ? list_lru_count_one+0x260/0x450 [ 317.586790] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.592584] ? kasan_check_read+0x11/0x20 [ 317.596731] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.602009] ? rcu_bh_qs+0xc0/0xc0 [ 317.605575] list_lru_count_one+0x265/0x450 [ 317.609896] ? list_lru_add+0x980/0x980 [ 317.613879] ? deferred_split_count+0x65/0x170 [ 317.618458] ? shrink_huge_zero_page_count+0xc8/0x100 [ 317.623656] super_cache_count+0x153/0x2e0 [ 317.627898] do_shrink_slab+0x1a7/0xd20 [ 317.631915] ? lock_release+0x970/0x970 [ 317.635905] ? snapshot_refaults+0x290/0x290 [ 317.640334] ? ___might_sleep+0x1ed/0x300 [ 317.644487] ? down_read_trylock+0xff/0x1e0 [ 317.648806] ? shrink_slab+0x207/0x8c0 [ 317.652696] ? downgrade_write+0x2b0/0x2b0 [ 317.656948] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.662485] ? shrink_node_memcg+0xc82/0x18e0 [ 317.666996] shrink_slab+0x389/0x8c0 [ 317.670710] ? shrink_active_list+0x1c20/0x1c20 [ 317.675388] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 317.681019] ? kasan_check_read+0x11/0x20 [ 317.685172] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.689586] ? ___preempt_schedule+0x16/0x18 [ 317.694033] ? _raw_spin_unlock+0x3f/0x50 [ 317.698192] shrink_node+0x431/0x16b0 [ 317.702000] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 317.707304] ? shrink_node_memcg+0x18e0/0x18e0 [ 317.711883] ? lockdep_hardirqs_on+0x421/0x5c0 [ 317.716470] ? trace_hardirqs_on+0xbd/0x310 [ 317.720797] ? vmpressure+0x271/0x340 [ 317.724607] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 317.729195] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.734731] ? __cpuset_node_allowed+0x19b/0x660 [ 317.739490] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 317.745198] ? vmpressure+0x1a2/0x340 [ 317.749013] do_try_to_free_pages+0x3e7/0x1290 [ 317.753625] ? shrink_node+0x16b0/0x16b0 [ 317.757692] ? __lock_is_held+0xb5/0x140 [ 317.761771] try_to_free_pages+0x4d0/0xb90 [ 317.766010] ? do_try_to_free_pages+0x1290/0x1290 [ 317.770850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.776403] ? lock_acquire+0x1ed/0x520 [ 317.780375] ? set_page_refcounted+0x280/0x280 [ 317.784972] ? lock_release+0x970/0x970 [ 317.788963] ? ___might_sleep+0x1ed/0x300 [ 317.793113] ? arch_local_save_flags+0x40/0x40 [ 317.797708] __alloc_pages_slowpath+0x993/0x2d80 [ 317.802496] ? warn_alloc+0x120/0x120 [ 317.806325] ? __radix_tree_lookup+0x4c0/0x4c0 [ 317.810919] ? find_get_entry+0x2f2/0xc40 [ 317.815089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.820633] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 317.825561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.831103] ? should_fail+0x22d/0xd01 [ 317.834998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.840099] ? __lock_is_held+0xb5/0x140 [ 317.844186] ? __lock_is_held+0xb5/0x140 [ 317.848276] ? __lock_acquire+0x7ec/0x4ec0 [ 317.852603] ? ___might_sleep+0x1ed/0x300 [ 317.856748] ? lock_release+0x970/0x970 [ 317.860726] ? arch_local_save_flags+0x40/0x40 [ 317.865320] ? __might_sleep+0x95/0x190 [ 317.869300] __alloc_pages_nodemask+0xa80/0xde0 [ 317.873988] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 317.879008] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.884805] ? kasan_check_read+0x11/0x20 [ 317.888967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.894248] ? graph_lock+0x170/0x170 [ 317.898050] ? print_usage_bug+0xc0/0xc0 [ 317.902115] ? graph_lock+0x170/0x170 [ 317.905923] ? graph_lock+0x170/0x170 [ 317.909743] ? __do_page_cache_readahead+0x7ce/0x980 [ 317.914853] ? find_held_lock+0x36/0x1c0 [ 317.918924] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.924480] alloc_pages_current+0x10c/0x210 [ 317.928885] ? lock_downgrade+0x900/0x900 [ 317.933038] __page_cache_alloc+0x38f/0x5b0 [ 317.937364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.943159] ? kasan_check_read+0x11/0x20 [ 317.947310] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.952589] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 317.957259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.962802] ? check_preemption_disabled+0x48/0x200 [ 317.967829] filemap_fault+0x1594/0x25f0 [ 317.971902] ? __lock_page_or_retry+0xa00/0xa00 [ 317.976596] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 317.982389] ? kasan_check_read+0x11/0x20 [ 317.986541] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.991814] ? ep_scan_ready_list+0xbeb/0x1050 [ 317.996395] ? rcu_bh_qs+0xc0/0xc0 [ 317.999950] ? lock_downgrade+0x900/0x900 [ 318.004102] ? graph_lock+0x170/0x170 [ 318.007910] ? filemap_map_pages+0xdea/0x1980 [ 318.012467] ? find_get_pages_range_tag+0x1320/0x1320 [ 318.017657] ? wait_for_completion+0x8a0/0x8a0 [ 318.022244] ? graph_lock+0x170/0x170 [ 318.026054] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.030634] ? kasan_check_read+0x11/0x20 [ 318.034779] ? ep_scan_ready_list+0xbc7/0x1050 [ 318.039365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.044825] ? lock_acquire+0x1ed/0x520 [ 318.048798] ? ext4_filemap_fault+0x7a/0xad [ 318.053129] ? lock_release+0x970/0x970 [ 318.057104] ? arch_local_save_flags+0x40/0x40 [ 318.061690] ? ep_poll_callback+0x10e0/0x10e0 [ 318.066203] ? down_read+0xb0/0x1d0 [ 318.069828] ? ext4_filemap_fault+0x7a/0xad [ 318.074154] ? __down_interruptible+0x700/0x700 [ 318.078827] ? get_futex_key+0x21b0/0x21b0 [ 318.083078] ext4_filemap_fault+0x82/0xad [ 318.087232] __do_fault+0x100/0x6b0 [ 318.090864] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.095358] ? print_bad_pte+0x6c0/0x6c0 [ 318.099435] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.104024] ? trace_hardirqs_on+0xbd/0x310 [ 318.108346] ? kasan_check_read+0x11/0x20 [ 318.112494] ? pmd_val+0x88/0x100 [ 318.115960] ? add_mm_counter_fast+0xd0/0xd0 [ 318.120369] ? pmd_val+0x88/0x100 [ 318.123825] ? add_mm_counter_fast+0xd0/0xd0 [ 318.128238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.133783] __handle_mm_fault+0x3709/0x53e0 [ 318.138202] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 318.143045] ? graph_lock+0x170/0x170 [ 318.146849] ? print_usage_bug+0xc0/0xc0 [ 318.150911] ? rcu_bh_qs+0xc0/0xc0 [ 318.154463] ? graph_lock+0x170/0x170 [ 318.158262] ? graph_lock+0x170/0x170 [ 318.162083] ? handle_mm_fault+0x42a/0xc70 [ 318.166321] ? lock_downgrade+0x900/0x900 [ 318.170468] ? check_preemption_disabled+0x48/0x200 [ 318.175492] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.181287] ? kasan_check_read+0x11/0x20 [ 318.185451] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.190746] ? rcu_bh_qs+0xc0/0xc0 [ 318.194286] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.199737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.205279] ? check_preemption_disabled+0x48/0x200 [ 318.210305] handle_mm_fault+0x54f/0xc70 [ 318.214375] ? __handle_mm_fault+0x53e0/0x53e0 [ 318.218970] ? find_vma+0x34/0x190 [ 318.222517] __do_page_fault+0x67d/0xed0 [ 318.226592] ? mm_fault_error+0x380/0x380 [ 318.230741] ? trace_hardirqs_off+0xb8/0x310 [ 318.235153] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 318.240515] ? trace_hardirqs_on+0x310/0x310 [ 318.244936] do_page_fault+0xf2/0x7e0 [ 318.248744] ? vmalloc_sync_all+0x30/0x30 [ 318.252892] ? error_entry+0x70/0xd0 [ 318.256611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.261627] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.266573] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.271500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.276344] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.281358] ? trace_hardirqs_off+0x310/0x310 [ 318.285862] ? prepare_exit_to_usermode+0x291/0x3b0 [ 318.290882] ? page_fault+0x8/0x30 [ 318.294427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.299282] ? page_fault+0x8/0x30 [ 318.302825] page_fault+0x1e/0x30 [ 318.306276] RIP: 0033:0x45df89 [ 318.309954] Code: Bad RIP value. [ 318.313316] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 318.318681] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 318.325959] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 318.333227] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 318.340497] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 318.347767] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 318.355081] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 318.355147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.362282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.362287] Call Trace: [ 318.362294] [ 318.362315] dump_stack+0x1c4/0x2b4 [ 318.362333] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.368861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.378160] warn_alloc.cold.119+0xb7/0x1bd [ 318.380709] syz-fuzzer cpuset= [ 318.382855] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.386453] / [ 318.391639] ? lock_downgrade+0x900/0x900 [ 318.401842] mems_allowed=0 [ 318.406156] ? trace_hardirqs_off+0xb8/0x310 [ 318.427304] ? trace_hardirqs_off+0xb8/0x310 [ 318.431758] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.436642] ? warn_alloc+0x120/0x120 [ 318.440453] ? trace_hardirqs_on+0x310/0x310 [ 318.444865] ? warn_alloc+0x120/0x120 [ 318.448669] ? print_usage_bug+0xc0/0xc0 [ 318.452734] ? warn_alloc+0x120/0x120 [ 318.456531] ? ktime_get+0x2e1/0x440 [ 318.460262] ? print_usage_bug+0xc0/0xc0 [ 318.464325] ? __lock_acquire+0x7ec/0x4ec0 [ 318.468562] ? __lock_acquire+0x7ec/0x4ec0 [ 318.472796] ? kasan_check_read+0x11/0x20 [ 318.476952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.482542] ? should_fail+0x22d/0xd01 [ 318.486462] ? rcu_bh_qs+0xc0/0xc0 [ 318.490005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.495111] ? __lock_acquire+0x7ec/0x4ec0 [ 318.499354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.504461] ? __lock_acquire+0x7ec/0x4ec0 [ 318.508694] ? should_fail+0x22d/0xd01 [ 318.512588] ? rcu_idle_enter+0x4b0/0x4b0 [ 318.516743] ? mark_held_locks+0x130/0x130 [ 318.520983] ? mark_held_locks+0x130/0x130 [ 318.525222] ? mark_held_locks+0xc7/0x130 [ 318.529375] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 318.534393] ? graph_lock+0x170/0x170 [ 318.538192] ? print_usage_bug+0xc0/0xc0 [ 318.542255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.547797] ? check_preemption_disabled+0x48/0x200 [ 318.552816] ? check_preemption_disabled+0x48/0x200 [ 318.557840] ? __lock_is_held+0xb5/0x140 [ 318.561910] __alloc_pages_nodemask+0xa80/0xde0 [ 318.566616] ? graph_lock+0x170/0x170 [ 318.570433] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.575478] ? graph_lock+0x170/0x170 [ 318.579319] ? find_held_lock+0x36/0x1c0 [ 318.583389] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.588074] ? lock_downgrade+0x900/0x900 [ 318.592233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.597780] cache_grow_begin+0x91/0x8c0 [ 318.601842] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.606259] fallback_alloc+0x203/0x2e0 [ 318.610240] ____cache_alloc_node+0x1c7/0x1e0 [ 318.614747] kmem_cache_alloc_node+0xe3/0x730 [ 318.619247] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.623491] __alloc_skb+0x119/0x770 [ 318.627209] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.632493] ? skb_scrub_packet+0x490/0x490 [ 318.636812] ? lock_downgrade+0x900/0x900 [ 318.640978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.646520] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.651974] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.657425] ? addrconf_rs_timer+0x690/0x690 [ 318.661849] ndisc_alloc_skb+0x144/0x340 [ 318.665921] ndisc_send_rs+0x331/0x6e0 [ 318.669829] addrconf_rs_timer+0x314/0x690 [ 318.674071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.678321] call_timer_fn+0x272/0x920 [ 318.682210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.686452] ? process_timeout+0x40/0x40 [ 318.690514] ? find_held_lock+0x36/0x1c0 [ 318.694583] ? __run_timers+0x7da/0xc70 [ 318.698560] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.703055] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.707548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.711786] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.716368] ? trace_hardirqs_on+0xbd/0x310 [ 318.720705] ? kasan_check_read+0x11/0x20 [ 318.724855] ? __run_timers+0x7da/0xc70 [ 318.728833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.734290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.738533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.742769] __run_timers+0x7e5/0xc70 [ 318.746586] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.751964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.756993] ? graph_lock+0x170/0x170 [ 318.760801] ? enqueue_hrtimer+0x1a5/0x560 [ 318.765036] ? lock_release+0x970/0x970 [ 318.769012] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.774209] ? find_held_lock+0x36/0x1c0 [ 318.778276] ? graph_lock+0x170/0x170 [ 318.782080] ? pvclock_read_flags+0x160/0x160 [ 318.786574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.792124] ? check_preemption_disabled+0x48/0x200 [ 318.797151] ? __lock_is_held+0xb5/0x140 [ 318.801215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.806757] ? check_preemption_disabled+0x48/0x200 [ 318.811780] run_timer_softirq+0x52/0xb0 [ 318.815843] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.820861] __do_softirq+0x30b/0xad8 [ 318.824676] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.829797] ? pvclock_read_flags+0x160/0x160 [ 318.834291] ? lapic_next_event+0x5a/0x90 [ 318.838437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.843980] ? check_preemption_disabled+0x48/0x200 [ 318.848994] ? check_preemption_disabled+0x48/0x200 [ 318.854021] ? kvm_clock_read+0x18/0x30 [ 318.857994] ? kvm_sched_clock_read+0x9/0x20 [ 318.862402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.867953] ? check_preemption_disabled+0x48/0x200 [ 318.872981] irq_exit+0x17f/0x1c0 [ 318.876464] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.881310] ? smp_reschedule_interrupt+0x109/0x650 [ 318.886328] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.892215] ? interrupt_entry+0xb5/0xf0 [ 318.896284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.901297] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.906316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.911164] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.916181] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.921199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.926739] ? check_preemption_disabled+0x48/0x200 [ 318.931754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.937297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.942171] apic_timer_interrupt+0xf/0x20 [ 318.946398] [ 318.948638] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 318.953567] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 318.972467] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.980182] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.987456] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 318.994724] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 319.001990] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 319.009254] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 319.016563] skb_clone+0x1bb/0x500 [ 319.020104] ? finish_task_switch+0x1b5/0x900 [ 319.024604] ? skb_split+0x11e0/0x11e0 [ 319.028497] ? preempt_notifier_register+0x200/0x200 [ 319.033602] ? __switch_to_asm+0x34/0x70 [ 319.037660] ? __switch_to_asm+0x34/0x70 [ 319.041719] ? __switch_to_asm+0x40/0x70 [ 319.045776] ? __switch_to_asm+0x34/0x70 [ 319.049835] ? __switch_to_asm+0x40/0x70 [ 319.053893] ? __switch_to_asm+0x34/0x70 [ 319.057956] ? __switch_to_asm+0x40/0x70 [ 319.062018] ? __switch_to_asm+0x34/0x70 [ 319.066079] ? __switch_to_asm+0x34/0x70 [ 319.070138] ? __switch_to_asm+0x40/0x70 [ 319.074195] ? __switch_to_asm+0x34/0x70 [ 319.078270] bpf_clone_redirect+0xb9/0x490 [ 319.082506] ? __schedule+0x874/0x1ed0 [ 319.086402] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 319.091422] ? __sched_text_start+0x8/0x8 [ 319.095594] ? find_held_lock+0x36/0x1c0 [ 319.099662] ? lock_acquire+0x1ed/0x520 [ 319.103634] ? bpf_test_run+0x32e/0x5a0 [ 319.107613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.113153] ? check_preemption_disabled+0x48/0x200 [ 319.118171] ? kasan_check_read+0x11/0x20 [ 319.122321] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.127600] ? rcu_bh_qs+0xc0/0xc0 [ 319.131140] ? preempt_schedule+0x4d/0x60 [ 319.135298] ? ___preempt_schedule+0x16/0x18 [ 319.139714] ? bpf_test_run+0x1c0/0x5a0 [ 319.143700] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.148113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.153650] ? bpf_test_init.isra.9+0x70/0x100 [ 319.158239] ? bpf_prog_test_run_skb+0x634/0xb40 [ 319.163006] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.167851] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.173386] ? fput+0x130/0x1a0 [ 319.176690] ? __bpf_prog_get+0x9b/0x290 [ 319.180758] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.185599] ? bpf_prog_test_run+0x130/0x1a0 [ 319.190016] ? __x64_sys_bpf+0x3d8/0x510 [ 319.194082] ? bpf_prog_get+0x20/0x20 [ 319.197904] ? do_syscall_64+0x1b9/0x820 [ 319.201976] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.207344] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.212280] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.217299] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.222318] ? recalc_sigpending_tsk+0x180/0x180 [ 319.227072] ? kasan_check_write+0x14/0x20 [ 319.231316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.236170] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.241561] warn_alloc_show_mem: 1 callbacks suppressed [ 319.241573] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 319.241575] Mem-Info: [ 319.241605] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 319.241605] active_file:13 inactive_file:13 isolated_file:1 [ 319.241605] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.241605] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 319.241605] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 319.241605] free:13741 free_pcp:221 free_cma:0 [ 319.246951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.253881] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.256279] Call Trace: [ 319.289320] Node 0 [ 319.298668] [ 319.326653] 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 [ 319.329216] dump_stack+0x1c4/0x2b4 [ 319.331423] lowmem_reserve[]: [ 319.333569] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.359041] 0 [ 319.362672] warn_alloc.cold.119+0xb7/0x1bd [ 319.365739] 2819 6323 [ 319.370939] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.372719] 6323 [ 319.377037] ? lock_downgrade+0x900/0x900 [ 319.384354] ? trace_hardirqs_off+0xb8/0x310 [ 319.386390] Node 0 [ 319.390538] ? trace_hardirqs_off+0xb8/0x310 [ 319.394951] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 319.397173] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.401548] lowmem_reserve[]: [ 319.428646] ? warn_alloc+0x120/0x120 [ 319.433448] 0 [ 319.436551] ? warn_alloc+0x120/0x120 [ 319.440581] 0 3503 [ 319.442394] ? print_usage_bug+0xc0/0xc0 [ 319.446166] 3503 [ 319.448396] ? warn_alloc+0x120/0x120 [ 319.454486] ? print_usage_bug+0xc0/0xc0 [ 319.458260] Node 0 Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 319.462364] ? __lock_acquire+0x7ec/0x4ec0 [ 319.462380] ? __lock_acquire+0x7ec/0x4ec0 [ 319.491424] lowmem_reserve[]: 0 [ 319.495687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.499898] 0 [ 319.503183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.508693] 0 [ 319.510497] ? should_fail+0x22d/0xd01 [ 319.516008] 0 [ 319.517816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.523472] ? __lock_acquire+0x7ec/0x4ec0 [ 319.528545] Node 0 DMA: [ 319.532779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.532797] ? __lock_acquire+0x7ec/0x4ec0 [ 319.535448] 1*4kB [ 319.540546] ? should_fail+0x22d/0xd01 [ 319.544752] (U) [ 319.546903] ? mark_held_locks+0x130/0x130 [ 319.550753] 0*8kB [ 319.552725] ? mark_held_locks+0x130/0x130 [ 319.556941] 0*16kB [ 319.559092] ? graph_lock+0x170/0x170 [ 319.563293] 1*32kB (U) [ 319.565536] ? print_usage_bug+0xc0/0xc0 [ 319.569312] 2*64kB [ 319.571890] ? graph_lock+0x170/0x170 [ 319.575926] (U) [ 319.578171] ? print_usage_bug+0xc0/0xc0 [ 319.581949] 1*128kB (U) [ 319.583927] ? wq_watchdog_touch+0x9c/0xfe [ 319.587974] 1*256kB [ 319.590641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.594842] (U) 0*512kB [ 319.597177] ? check_preemption_disabled+0x48/0x200 [ 319.602686] 1*1024kB [ 319.605357] ? check_preemption_disabled+0x48/0x200 [ 319.610341] (U) [ 319.612755] ? __lock_is_held+0xb5/0x140 [ 319.617733] 1*2048kB [ 319.619710] __alloc_pages_nodemask+0xa80/0xde0 [ 319.623738] (M) [ 319.626145] ? graph_lock+0x170/0x170 [ 319.630790] 3*4096kB [ 319.632761] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.636533] (M) [ 319.638949] ? graph_lock+0x170/0x170 [ 319.643946] = 15908kB [ 319.643955] Node 0 [ 319.645939] ? find_held_lock+0x36/0x1c0 [ 319.649713] DMA32: [ 319.652124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.654333] 5*4kB [ 319.658385] ? lock_downgrade+0x900/0x900 [ 319.660600] (UM) [ 319.665269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.667383] 0*8kB 3*16kB [ 319.671537] cache_grow_begin+0x91/0x8c0 [ 319.673573] (UM) [ 319.679107] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.681837] 2*32kB [ 319.685899] fallback_alloc+0x203/0x2e0 [ 319.687949] (M) [ 319.692450] ____cache_alloc_node+0x1c7/0x1e0 [ 319.694662] 5*64kB [ 319.698646] kmem_cache_alloc_node+0xe3/0x730 [ 319.700584] (UM) [ 319.705082] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.707295] 3*128kB [ 319.711791] __alloc_skb+0x119/0x770 [ 319.713825] (M) [ 319.718074] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.720374] 3*256kB [ 319.724084] ? skb_scrub_packet+0x490/0x490 [ 319.726031] (M) [ 319.731300] ? lock_downgrade+0x900/0x900 [ 319.733595] 4*512kB (UM) [ 319.737923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.739880] 3*1024kB [ 319.744023] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.746771] (UM) 1*2048kB [ 319.752315] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.754703] (M) [ 319.760151] ? addrconf_rs_timer+0x690/0x690 [ 319.762981] 4*4096kB [ 319.768431] ndisc_alloc_skb+0x144/0x340 [ 319.770376] (M) [ 319.774779] ndisc_send_rs+0x331/0x6e0 [ 319.777161] = 25156kB [ 319.781220] addrconf_rs_timer+0x314/0x690 [ 319.783171] Node 0 [ 319.787061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.789437] Normal: 1005*4kB [ 319.793694] call_timer_fn+0x272/0x920 [ 319.795913] (MEH) [ 319.800156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.803239] 451*8kB [ 319.807122] ? process_timeout+0x40/0x40 [ 319.809240] (ME) 184*16kB [ 319.813477] ? find_held_lock+0x36/0x1c0 [ 319.815772] (UME) [ 319.819831] ? mark_held_locks+0xc7/0x130 [ 319.822646] 94*32kB (UME) [ 319.826711] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.828834] 5*64kB (UM) [ 319.832985] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.835808] 0*128kB [ 319.840296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.842953] 0*256kB [ 319.847441] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 319.849745] 0*512kB [ 319.853976] ? trace_hardirqs_on+0xbd/0x310 [ 319.856269] 0*1024kB 0*2048kB [ 319.860848] ? kasan_check_read+0x11/0x20 [ 319.863141] 0*4096kB = 13900kB [ 319.867467] ? __run_timers+0x7da/0xc70 [ 319.870642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.874786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.877956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.877965] 4241 total pagecache pages [ 319.881957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.890769] 0 pages in swap cache [ 319.896229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.904779] Swap cache stats: add 0, delete 0, find 0/0 [ 319.908661] __run_timers+0x7e5/0xc70 [ 319.912860] Free swap = 0kB [ 319.912868] Total swap = 0kB [ 319.916338] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.920528] 1965979 pages RAM [ 319.925889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.929664] 0 pages HighMem/MovableOnly [ 319.932675] ? graph_lock+0x170/0x170 [ 319.935663] 342307 pages reserved [ 319.935671] 0 pages cma reserved [ 319.941031] ? print_usage_bug+0xc0/0xc0 [ 319.944170] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.949113] ? lock_release+0x970/0x970 [ 319.949130] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.953174] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.956881] ? find_held_lock+0x36/0x1c0 [ 319.960315] syz-executor5 cpuset= [ 319.963673] ? graph_lock+0x170/0x170 [ 319.967709] syz5 [ 319.974198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.978146] mems_allowed=0 [ 319.983331] ? check_preemption_disabled+0x48/0x200 [ 320.020486] ? __lock_is_held+0xb5/0x140 [ 320.024555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.030101] ? check_preemption_disabled+0x48/0x200 [ 320.035127] run_timer_softirq+0x52/0xb0 [ 320.039192] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.044214] __do_softirq+0x30b/0xad8 [ 320.048033] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.053147] ? pvclock_read_flags+0x160/0x160 [ 320.057659] ? lapic_next_event+0x5a/0x90 [ 320.061810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.067368] ? check_preemption_disabled+0x48/0x200 [ 320.072395] ? check_preemption_disabled+0x48/0x200 [ 320.077429] ? kvm_clock_read+0x18/0x30 [ 320.081419] ? kvm_sched_clock_read+0x9/0x20 [ 320.085849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.091398] ? check_preemption_disabled+0x48/0x200 [ 320.096431] irq_exit+0x17f/0x1c0 [ 320.099890] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.104731] ? smp_reschedule_interrupt+0x109/0x650 [ 320.109752] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.115637] ? interrupt_entry+0xb5/0xf0 [ 320.119703] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.124718] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.129737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.134585] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.139601] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.144624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.150168] ? check_preemption_disabled+0x48/0x200 [ 320.155190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.160745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.165624] apic_timer_interrupt+0xf/0x20 [ 320.169861] [ 320.172105] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 320.177128] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 320.196038] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 320.203755] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 320.211028] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 320.218300] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 320.225566] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 320.232833] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 320.240127] ? list_lru_count_one+0x36d/0x450 [ 320.244623] ? list_lru_count_one+0x260/0x450 [ 320.249135] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.254940] ? kasan_check_read+0x11/0x20 [ 320.259097] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.264379] ? rcu_bh_qs+0xc0/0xc0 [ 320.267947] list_lru_count_one+0x265/0x450 [ 320.272271] ? list_lru_add+0x980/0x980 [ 320.276249] ? deferred_split_count+0x65/0x170 [ 320.280833] ? shrink_huge_zero_page_count+0xc8/0x100 [ 320.286027] super_cache_count+0x153/0x2e0 [ 320.290270] do_shrink_slab+0x1a7/0xd20 [ 320.294255] ? lock_release+0x970/0x970 [ 320.298246] ? snapshot_refaults+0x290/0x290 [ 320.302665] ? ___might_sleep+0x1ed/0x300 [ 320.306818] ? down_read_trylock+0xff/0x1e0 [ 320.311136] ? shrink_slab+0x207/0x8c0 [ 320.315029] ? downgrade_write+0x2b0/0x2b0 [ 320.319267] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.324806] ? shrink_node_memcg+0xc82/0x18e0 [ 320.329318] shrink_slab+0x389/0x8c0 [ 320.333038] ? shrink_active_list+0x1c20/0x1c20 [ 320.337724] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 320.343359] ? kasan_check_read+0x11/0x20 [ 320.347515] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.351939] ? ___preempt_schedule+0x16/0x18 [ 320.356361] ? _raw_spin_unlock+0x3f/0x50 [ 320.360520] shrink_node+0x431/0x16b0 [ 320.364323] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 320.369627] ? shrink_node_memcg+0x18e0/0x18e0 [ 320.374208] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.378795] ? trace_hardirqs_on+0xbd/0x310 [ 320.383122] ? vmpressure+0x271/0x340 [ 320.387021] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 320.391612] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.397149] ? __cpuset_node_allowed+0x19b/0x660 [ 320.401907] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 320.407627] ? vmpressure+0x1a2/0x340 [ 320.411483] do_try_to_free_pages+0x3e7/0x1290 [ 320.416119] ? shrink_node+0x16b0/0x16b0 [ 320.420194] ? __lock_is_held+0xb5/0x140 [ 320.424271] try_to_free_pages+0x4d0/0xb90 [ 320.428519] ? do_try_to_free_pages+0x1290/0x1290 [ 320.433366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.438922] ? lock_acquire+0x1ed/0x520 [ 320.442917] ? set_page_refcounted+0x280/0x280 [ 320.447522] ? lock_release+0x970/0x970 [ 320.451503] ? ___might_sleep+0x1ed/0x300 [ 320.455656] ? arch_local_save_flags+0x40/0x40 [ 320.460254] __alloc_pages_slowpath+0x993/0x2d80 [ 320.465047] ? warn_alloc+0x120/0x120 [ 320.468850] ? __radix_tree_lookup+0x4c0/0x4c0 [ 320.473449] ? find_get_entry+0x2f2/0xc40 [ 320.477613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.483153] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 320.488089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.493668] ? should_fail+0x22d/0xd01 [ 320.497576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.502680] ? __lock_is_held+0xb5/0x140 [ 320.506781] ? __lock_is_held+0xb5/0x140 [ 320.510854] ? __lock_acquire+0x7ec/0x4ec0 [ 320.515092] ? ___might_sleep+0x1ed/0x300 [ 320.519242] ? lock_release+0x970/0x970 [ 320.523250] ? arch_local_save_flags+0x40/0x40 [ 320.527848] ? __might_sleep+0x95/0x190 [ 320.531834] __alloc_pages_nodemask+0xa80/0xde0 [ 320.536510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.541535] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.547330] ? kasan_check_read+0x11/0x20 [ 320.551483] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.556765] ? graph_lock+0x170/0x170 [ 320.560571] ? print_usage_bug+0xc0/0xc0 [ 320.564637] ? graph_lock+0x170/0x170 [ 320.568443] ? graph_lock+0x170/0x170 [ 320.572247] ? __do_page_cache_readahead+0x7ce/0x980 [ 320.577360] ? find_held_lock+0x36/0x1c0 [ 320.581432] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.586989] alloc_pages_current+0x10c/0x210 [ 320.591400] ? lock_downgrade+0x900/0x900 [ 320.595554] __page_cache_alloc+0x38f/0x5b0 [ 320.599875] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.605669] ? kasan_check_read+0x11/0x20 [ 320.609819] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.615100] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 320.619771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.625311] ? check_preemption_disabled+0x48/0x200 [ 320.630357] filemap_fault+0x1594/0x25f0 [ 320.634433] ? __lock_page_or_retry+0xa00/0xa00 [ 320.639101] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.644895] ? kasan_check_read+0x11/0x20 [ 320.649042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.654316] ? ep_scan_ready_list+0xbeb/0x1050 [ 320.658898] ? rcu_bh_qs+0xc0/0xc0 [ 320.662443] ? lock_downgrade+0x900/0x900 [ 320.666601] ? graph_lock+0x170/0x170 [ 320.670416] ? filemap_map_pages+0xdea/0x1980 [ 320.674945] ? find_get_pages_range_tag+0x1320/0x1320 [ 320.680140] ? wait_for_completion+0x8a0/0x8a0 [ 320.684723] ? graph_lock+0x170/0x170 [ 320.688530] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.693113] ? kasan_check_read+0x11/0x20 [ 320.697265] ? ep_scan_ready_list+0xbc7/0x1050 [ 320.701862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.707330] ? lock_acquire+0x1ed/0x520 [ 320.711306] ? ext4_filemap_fault+0x7a/0xad [ 320.715636] ? lock_release+0x970/0x970 [ 320.719616] ? arch_local_save_flags+0x40/0x40 [ 320.724203] ? ep_poll_callback+0x10e0/0x10e0 [ 320.728711] ? down_read+0xb0/0x1d0 [ 320.732336] ? ext4_filemap_fault+0x7a/0xad [ 320.736664] ? __down_interruptible+0x700/0x700 [ 320.741337] ? get_futex_key+0x21b0/0x21b0 [ 320.745586] ext4_filemap_fault+0x82/0xad [ 320.749743] __do_fault+0x100/0x6b0 [ 320.753371] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.757868] ? print_bad_pte+0x6c0/0x6c0 [ 320.761947] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.766535] ? trace_hardirqs_on+0xbd/0x310 [ 320.770855] ? kasan_check_read+0x11/0x20 [ 320.775006] ? pmd_val+0x88/0x100 [ 320.778457] ? add_mm_counter_fast+0xd0/0xd0 [ 320.782865] ? pmd_val+0x88/0x100 [ 320.786327] ? add_mm_counter_fast+0xd0/0xd0 [ 320.790742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.796287] __handle_mm_fault+0x3709/0x53e0 [ 320.800707] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 320.805554] ? graph_lock+0x170/0x170 [ 320.809357] ? print_usage_bug+0xc0/0xc0 [ 320.813421] ? rcu_bh_qs+0xc0/0xc0 [ 320.816975] ? graph_lock+0x170/0x170 [ 320.820777] ? graph_lock+0x170/0x170 [ 320.824602] ? handle_mm_fault+0x42a/0xc70 [ 320.828839] ? lock_downgrade+0x900/0x900 [ 320.832990] ? check_preemption_disabled+0x48/0x200 [ 320.838020] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.843819] ? kasan_check_read+0x11/0x20 [ 320.847980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.853256] ? rcu_bh_qs+0xc0/0xc0 [ 320.856800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.862259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.867796] ? check_preemption_disabled+0x48/0x200 [ 320.872821] handle_mm_fault+0x54f/0xc70 [ 320.876891] ? __handle_mm_fault+0x53e0/0x53e0 [ 320.881476] ? find_vma+0x34/0x190 [ 320.885022] __do_page_fault+0x67d/0xed0 [ 320.889093] ? mm_fault_error+0x380/0x380 [ 320.893240] ? trace_hardirqs_off+0xb8/0x310 [ 320.897653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.903021] ? trace_hardirqs_on+0x310/0x310 [ 320.907438] do_page_fault+0xf2/0x7e0 [ 320.911243] ? vmalloc_sync_all+0x30/0x30 [ 320.915391] ? error_entry+0x70/0xd0 [ 320.919105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.924123] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.929052] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.933981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.938823] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.943840] ? trace_hardirqs_off+0x310/0x310 [ 320.948341] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.953360] ? page_fault+0x8/0x30 [ 320.956904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.961761] ? page_fault+0x8/0x30 [ 320.965305] page_fault+0x1e/0x30 [ 320.968755] RIP: 0033:0x45df89 [ 320.971980] Code: Bad RIP value. [ 320.975340] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 320.980703] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 320.987974] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 320.995243] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 321.002511] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 321.009776] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 321.017085] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 321.017126] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 321.024284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.024293] Call Trace: [ 321.039880] [ 321.042451] rcu: (detected by 0, t=10688 jiffies, g=13253, q=8) [ 321.044607] dump_stack+0x1c4/0x2b4 [ 321.044627] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.050770] rcu: All QSes seen, last rcu_preempt kthread activity 10688 (4294969254-4294958566), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 321.054394] warn_alloc.cold.119+0xb7/0x1bd [ 321.059555] syz-fuzzer R [ 321.072226] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.076523] running task [ 321.079631] ? lock_downgrade+0x900/0x900 [ 321.084459] 12776 5346 5330 0x80000008 [ 321.087650] ? trace_hardirqs_off+0xb8/0x310 [ 321.091769] Call Trace: [ 321.095912] ? trace_hardirqs_off+0xb8/0x310 [ 321.100293] [ 321.102876] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.107266] sched_show_task.cold.83+0x2b6/0x30a [ 321.109423] ? warn_alloc+0x120/0x120 [ 321.114228] ? can_nice.part.74+0x20/0x20 [ 321.118974] ? trace_hardirqs_on+0x310/0x310 [ 321.122760] ? vprintk_default+0x28/0x30 [ 321.126887] ? warn_alloc+0x120/0x120 [ 321.131282] ? vprintk_func+0x85/0x181 [ 321.135331] ? print_usage_bug+0xc0/0xc0 [ 321.139110] ? vprintk_func+0x85/0x181 [ 321.142980] ? warn_alloc+0x120/0x120 [ 321.147026] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 321.150898] ? ktime_get+0x2e1/0x440 [ 321.154680] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 321.159419] ? print_usage_bug+0xc0/0xc0 [ 321.163121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.167862] ? __lock_acquire+0x7ec/0x4ec0 [ 321.171913] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 321.177428] ? __lock_acquire+0x7ec/0x4ec0 [ 321.181660] ? print_cpu_stall+0x1c0/0x1c0 [ 321.186911] ? kasan_check_read+0x11/0x20 [ 321.191144] ? graph_lock+0x170/0x170 [ 321.195360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.199491] ? print_usage_bug+0xc0/0xc0 [ 321.203278] ? should_fail+0x22d/0xd01 [ 321.208796] ? lock_downgrade+0x900/0x900 [ 321.212843] ? rcu_bh_qs+0xc0/0xc0 [ 321.216714] ? check_preemption_disabled+0x48/0x200 [ 321.220855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.224379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.229380] ? __lock_acquire+0x7ec/0x4ec0 [ 321.234468] ? check_preemption_disabled+0x48/0x200 [ 321.239991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.244214] ? check_preemption_disabled+0x48/0x200 [ 321.249211] ? __lock_acquire+0x7ec/0x4ec0 [ 321.249227] ? should_fail+0x22d/0xd01 [ 321.254316] ? rcu_test_sync_prims+0x30/0x30 [ 321.259321] ? rcu_idle_enter+0x4b0/0x4b0 [ 321.263543] ? __lock_is_held+0xb5/0x140 [ 321.267414] ? mark_held_locks+0x130/0x130 [ 321.271807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.275943] ? mark_held_locks+0x130/0x130 [ 321.279990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.284206] ? mark_held_locks+0xc7/0x130 [ 321.289729] ? check_preemption_disabled+0x48/0x200 [ 321.293963] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 321.293978] ? graph_lock+0x170/0x170 [ 321.299512] rcu_check_callbacks+0xafc/0x1990 [ 321.303662] ? print_usage_bug+0xc0/0xc0 [ 321.309197] ? rcu_cpu_stall_reset+0x220/0x220 [ 321.314204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.317987] ? lock_release+0x970/0x970 [ 321.322475] ? check_preemption_disabled+0x48/0x200 [ 321.326528] ? graph_lock+0x170/0x170 [ 321.331087] ? check_preemption_disabled+0x48/0x200 [ 321.336605] ? graph_lock+0x170/0x170 [ 321.340572] ? __lock_is_held+0xb5/0x140 [ 321.345577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.349361] __alloc_pages_nodemask+0xa80/0xde0 [ 321.354374] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 321.358156] ? graph_lock+0x170/0x170 [ 321.362203] ? kvm_set_tsc_khz+0x540/0x540 [ 321.367723] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.372384] ? graph_lock+0x170/0x170 [ 321.376940] ? graph_lock+0x170/0x170 [ 321.376966] ? find_held_lock+0x36/0x1c0 [ 321.380754] ? timekeeping_advance+0x3cc/0xc00 [ 321.384977] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.389978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.393764] ? lock_downgrade+0x900/0x900 [ 321.397567] ? check_preemption_disabled+0x48/0x200 [ 321.401610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.406176] ? check_preemption_disabled+0x48/0x200 [ 321.410830] cache_grow_begin+0x91/0x8c0 [ 321.416353] ? trace_hardirqs_off+0xb8/0x310 [ 321.420487] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.425492] ? __lock_is_held+0xb5/0x140 [ 321.431026] fallback_alloc+0x203/0x2e0 [ 321.436022] ? trace_hardirqs_on+0x310/0x310 [ 321.440564] ____cache_alloc_node+0x1c7/0x1e0 [ 321.444969] ? check_preemption_disabled+0x48/0x200 [ 321.449364] kmem_cache_alloc_node+0xe3/0x730 [ 321.453414] ? raise_softirq+0x199/0x420 [ 321.457365] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.461754] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 321.466240] __alloc_skb+0x119/0x770 [ 321.471238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.475718] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.479761] ? check_preemption_disabled+0x48/0x200 [ 321.483976] ? skb_scrub_packet+0x490/0x490 [ 321.488628] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.492338] ? lock_downgrade+0x900/0x900 [ 321.497858] ? hrtimer_run_queues+0x9a/0x400 [ 321.503124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.508122] ? run_local_timers+0x19b/0x230 [ 321.512432] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.517958] ? timer_clear_idle+0x90/0x90 [ 321.522089] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.526480] ? debug_smp_processor_id+0x1c/0x20 [ 321.532003] ? addrconf_rs_timer+0x690/0x690 [ 321.536308] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 321.541747] ndisc_alloc_skb+0x144/0x340 [ 321.545872] ? account_process_tick+0x282/0x350 [ 321.551308] ndisc_send_rs+0x331/0x6e0 [ 321.555969] update_process_times+0x2d/0x70 [ 321.560362] addrconf_rs_timer+0x314/0x690 [ 321.566319] tick_sched_handle+0x9f/0x180 [ 321.570366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.575025] tick_sched_timer+0x45/0x130 [ 321.578910] call_timer_fn+0x272/0x920 [ 321.583208] __hrtimer_run_queues+0x41c/0x10d0 [ 321.587435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.591571] ? tick_sched_do_timer+0x1a0/0x1a0 [ 321.595793] ? process_timeout+0x40/0x40 [ 321.599842] ? hrtimer_start_range_ns+0xe00/0xe00 [ 321.603708] ? find_held_lock+0x36/0x1c0 [ 321.603732] ? __run_timers+0x7da/0xc70 [ 321.608297] ? pvclock_read_flags+0x160/0x160 [ 321.612514] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.617083] ? trace_hardirqs_on+0x310/0x310 [ 321.621126] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.625994] ? kvm_clock_read+0x18/0x30 [ 321.630027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.630044] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.634001] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 321.638481] ? trace_hardirqs_on+0xbd/0x310 [ 321.642968] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 321.647362] ? kasan_check_read+0x11/0x20 [ 321.651844] ? do_timer+0x50/0x50 [ 321.655799] ? __run_timers+0x7da/0xc70 [ 321.660015] ? trace_hardirqs_on+0x310/0x310 [ 321.664579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.669583] ? do_raw_spin_lock+0xc1/0x200 [ 321.673887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.679239] hrtimer_interrupt+0x313/0x780 [ 321.683366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.686822] smp_apic_timer_interrupt+0x1a1/0x760 [ 321.690779] __run_timers+0x7e5/0xc70 [ 321.695194] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.700643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.704864] ? interrupt_entry+0xb5/0xf0 [ 321.709082] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.713300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.717520] ? graph_lock+0x170/0x170 [ 321.722349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.726132] ? enqueue_hrtimer+0x1a5/0x560 [ 321.732003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.737350] ? lock_release+0x970/0x970 [ 321.741393] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.746390] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.751398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.755175] ? find_held_lock+0x36/0x1c0 [ 321.759835] apic_timer_interrupt+0xf/0x20 [ 321.764051] ? graph_lock+0x170/0x170 [ 321.768885] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 321.772869] ? pvclock_read_flags+0x160/0x160 [ 321.777874] Code: 40 7e 0f 85 32 ff ff ff e8 f5 ac 3e ff e9 28 ff ff ff e8 1c 14 c3 ff 48 83 3d ac 21 70 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 6a a1 [ 321.783052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.787882] RSP: 0018:ffff8801dae07450 EFLAGS: 00000286 [ 321.791942] ? check_preemption_disabled+0x48/0x200 [ 321.796152] ORIG_RAX: ffffffffffffff13 [ 321.799958] ? __lock_is_held+0xb5/0x140 [ 321.805297] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003af485f5 [ 321.809785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.828673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 321.834211] ? check_preemption_disabled+0x48/0x200 [ 321.839547] RBP: ffff8801dae074c0 R08: ffff8801d7a42fa8 R09: 0000000000000002 [ 321.844569] run_timer_softirq+0x52/0xb0 [ 321.848519] R10: 0000000000000000 R11: ffff8801d7a42640 R12: ffff8801d9be7680 [ 321.852576] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.859836] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286 [ 321.865377] __do_softirq+0x30b/0xad8 [ 321.872653] ? apic_timer_interrupt+0xa/0x20 [ 321.877674] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.885045] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.889071] ? pvclock_read_flags+0x160/0x160 [ 321.896334] __alloc_skb+0x119/0x770 [ 321.901349] ? lapic_next_event+0x5a/0x90 [ 321.908642] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.912425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.916818] ? skb_scrub_packet+0x490/0x490 [ 321.921909] ? check_preemption_disabled+0x48/0x200 [ 321.926130] ? lock_downgrade+0x900/0x900 [ 321.930605] ? check_preemption_disabled+0x48/0x200 [ 321.930626] ? kvm_clock_read+0x18/0x30 [ 321.934329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.938459] ? kvm_sched_clock_read+0x9/0x20 [ 321.943723] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.949244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.953634] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.958636] ? check_preemption_disabled+0x48/0x200 [ 321.962770] ? addrconf_rs_timer+0x690/0x690 [ 321.967780] irq_exit+0x17f/0x1c0 [ 321.971742] ndisc_alloc_skb+0x144/0x340 [ 321.977257] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.981654] ndisc_send_rs+0x331/0x6e0 [ 321.987095] ? smp_reschedule_interrupt+0x109/0x650 [ 321.992618] addrconf_rs_timer+0x314/0x690 [ 321.998049] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.003055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.007452] ? interrupt_entry+0xb5/0xf0 [ 322.010890] call_timer_fn+0x272/0x920 [ 322.014938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.019773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.023648] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.028652] ? process_timeout+0x40/0x40 [ 322.032874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.038737] ? find_held_lock+0x36/0x1c0 [ 322.042956] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.042972] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.047026] ? mark_held_locks+0xc7/0x130 [ 322.050897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.055898] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.060122] ? check_preemption_disabled+0x48/0x200 [ 322.065117] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.069166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.073992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.078039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.083036] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 322.088045] apic_timer_interrupt+0xf/0x20 [ 322.092175] ? trace_hardirqs_on+0xbd/0x310 [ 322.097686] [ 322.102175] ? kasan_check_read+0x11/0x20 [ 322.107177] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 322.111655] ? __run_timers+0x7da/0xc70 [ 322.117173] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 322.121394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.126211] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.130799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.135015] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 322.135027] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 322.139339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.141548] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 322.141559] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 322.145698] __run_timers+0x7e5/0xc70 [ 322.150623] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 322.150670] skb_clone+0x1bb/0x500 [ 322.154606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.173500] ? finish_task_switch+0x1b5/0x900 [ 322.178948] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.186634] ? skb_split+0x11e0/0x11e0 [ 322.190852] ? graph_lock+0x170/0x170 [ 322.198111] ? preempt_notifier_register+0x200/0x200 [ 322.205369] ? print_usage_bug+0xc0/0xc0 [ 322.209592] ? __switch_to_asm+0x34/0x70 [ 322.216846] ? lock_release+0x970/0x970 [ 322.224102] ? __switch_to_asm+0x34/0x70 [ 322.227903] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.235162] ? __switch_to_asm+0x40/0x70 [ 322.238690] ? find_held_lock+0x36/0x1c0 [ 322.244032] ? __switch_to_asm+0x34/0x70 [ 322.248523] ? graph_lock+0x170/0x170 [ 322.253523] ? __switch_to_asm+0x40/0x70 [ 322.257401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.261179] ? __switch_to_asm+0x34/0x70 [ 322.261194] ? __switch_to_asm+0x40/0x70 [ 322.266284] ? check_preemption_disabled+0x48/0x200 [ 322.270317] ? __switch_to_asm+0x34/0x70 [ 322.270332] ? __switch_to_asm+0x34/0x70 [ 322.274386] ? __lock_is_held+0xb5/0x140 [ 322.278335] ? __switch_to_asm+0x40/0x70 [ 322.278350] ? __switch_to_asm+0x34/0x70 [ 322.282400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.287575] bpf_clone_redirect+0xb9/0x490 [ 322.291619] ? check_preemption_disabled+0x48/0x200 [ 322.295669] ? __schedule+0x874/0x1ed0 [ 322.299714] run_timer_softirq+0x52/0xb0 [ 322.303498] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 322.307538] ? rcu_read_lock_sched_held+0x108/0x120 [ 322.313056] ? __sched_text_start+0x8/0x8 [ 322.317103] __do_softirq+0x30b/0xad8 [ 322.321155] ? find_held_lock+0x36/0x1c0 [ 322.326168] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 322.330209] ? lock_acquire+0x1ed/0x520 [ 322.334253] ? pvclock_read_flags+0x160/0x160 [ 322.338295] ? bpf_test_run+0x32e/0x5a0 [ 322.342338] ? lapic_next_event+0x5a/0x90 [ 322.346384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.351904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.356124] ? check_preemption_disabled+0x48/0x200 [ 322.361123] ? check_preemption_disabled+0x48/0x200 [ 322.365015] ? kasan_check_read+0x11/0x20 [ 322.369060] ? check_preemption_disabled+0x48/0x200 [ 322.374059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.379063] ? kvm_clock_read+0x18/0x30 [ 322.383194] ? rcu_bh_qs+0xc0/0xc0 [ 322.386980] ? kvm_sched_clock_read+0x9/0x20 [ 322.391032] ? preempt_schedule+0x4d/0x60 [ 322.396116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.400075] ? ___preempt_schedule+0x16/0x18 [ 322.404551] ? check_preemption_disabled+0x48/0x200 [ 322.408527] ? bpf_test_run+0x1c0/0x5a0 [ 322.412668] irq_exit+0x17f/0x1c0 [ 322.418185] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.423700] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.428716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.433714] ? smp_reschedule_interrupt+0x109/0x650 [ 322.437840] ? bpf_test_init.isra.9+0x70/0x100 [ 322.442845] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.448107] ? bpf_prog_test_run_skb+0x634/0xb40 [ 322.452063] ? interrupt_entry+0xb5/0xf0 [ 322.455618] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.460023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.464158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.469677] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.474067] ? fput+0x130/0x1a0 [ 322.479068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.483026] ? __bpf_prog_get+0x9b/0x290 [ 322.486465] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.490859] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.495718] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.501240] ? bpf_prog_test_run+0x130/0x1a0 [ 322.506242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.510809] ? __x64_sys_bpf+0x3d8/0x510 [ 322.516693] ? check_preemption_disabled+0x48/0x200 [ 322.521430] ? bpf_prog_get+0x20/0x20 [ 322.525480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.530322] ? do_syscall_64+0x1b9/0x820 [ 322.535313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.540824] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.540841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.545845] apic_timer_interrupt+0xf/0x20 [ 322.549103] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.553921] [ 322.557986] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.562996] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 322.567828] ? recalc_sigpending_tsk+0x180/0x180 [ 322.572828] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 322.577217] ? kasan_check_write+0x14/0x20 [ 322.582735] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 [ 322.586793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.591781] ORIG_RAX: ffffffffffffff13 [ 322.595588] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.601106] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 322.605167] warn_alloc_show_mem: 1 callbacks suppressed [ 322.605172] Mem-Info: [ 322.609979] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 322.615345] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 322.615345] active_file:13 inactive_file:13 isolated_file:1 [ 322.615345] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.615345] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 322.615345] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 322.615345] free:13741 free_pcp:221 free_cma:0 [ 322.620236] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 322.624471] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.629468] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 322.631688] Node 0 [ 322.636692] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 322.641709] 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 [ 322.646448] ? list_lru_count_one+0x36d/0x450 [ 322.665312] lowmem_reserve[]: 0 [ 322.669557] ? list_lru_count_one+0x260/0x450 [ 322.674886] 2819 6323 [ 322.679740] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.683670] 6323 [ 322.689041] ? kasan_check_read+0x11/0x20 [ 322.696288] Node 0 [ 322.701648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.704057] DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 322.711325] ? rcu_bh_qs+0xc0/0xc0 [ 322.744344] lowmem_reserve[]: 0 [ 322.751628] list_lru_count_one+0x265/0x450 [ 322.779429] 0 3503 [ 322.786707] ? list_lru_add+0x980/0x980 [ 322.788916] 3503 [ 322.796199] ? deferred_split_count+0x65/0x170 [ 322.821673] Node 0 [ 322.826163] ? shrink_huge_zero_page_count+0xc8/0x100 [ 322.829473] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 322.833946] super_cache_count+0x153/0x2e0 [ 322.836409] lowmem_reserve[]: 0 [ 322.842227] do_shrink_slab+0x1a7/0xd20 [ 322.844258] 0 0 [ 322.848409] ? lock_release+0x970/0x970 [ 322.850609] 0 [ 322.855886] ? snapshot_refaults+0x290/0x290 [ 322.882929] Node 0 [ 322.886493] ? ___might_sleep+0x1ed/0x300 [ 322.889740] DMA: 1*4kB [ 322.894065] ? down_read_trylock+0xff/0x1e0 [ 322.896275] (U) [ 322.900244] ? shrink_slab+0x207/0x8c0 [ 322.902275] 0*8kB 0*16kB [ 322.906855] ? downgrade_write+0x2b0/0x2b0 [ 322.909075] 1*32kB (U) [ 322.914271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.942691] 2*64kB (U) [ 322.946928] ? shrink_node_memcg+0xc82/0x18e0 [ 322.950190] 1*128kB (U) [ 322.954178] shrink_slab+0x389/0x8c0 [ 322.956118] 1*256kB (U) [ 322.960093] ? shrink_active_list+0x1c20/0x1c20 [ 322.961872] 0*512kB [ 322.966276] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 322.968483] 1*1024kB (U) [ 322.972643] ? kasan_check_read+0x11/0x20 [ 322.975200] 1*2048kB (M) [ 322.979543] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.981501] 3*4096kB (M) [ 322.985394] ? ___preempt_schedule+0x16/0x18 [ 322.988121] = 15908kB [ 322.988129] Node 0 [ 322.992359] ? _raw_spin_unlock+0x3f/0x50 [ 322.994915] DMA32: [ 323.000462] shrink_node+0x431/0x16b0 [ 323.003021] 5*4kB [ 323.007512] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 323.010160] (UM) 0*8kB [ 323.013903] ? shrink_node_memcg+0x18e0/0x18e0 [ 323.016529] 3*16kB [ 323.021189] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.023482] (UM) 2*32kB [ 323.029106] ? trace_hardirqs_on+0xbd/0x310 [ 323.031837] (M) [ 323.035983] ? vmpressure+0x271/0x340 [ 323.038716] 5*64kB [ 323.043120] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 323.045852] (UM) [ 323.050256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.052631] 3*128kB (M) [ 323.054869] ? __cpuset_node_allowed+0x19b/0x660 [ 323.058984] 3*256kB (M) [ 323.061222] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 323.064991] 4*512kB (UM) [ 323.067142] ? vmpressure+0x1a2/0x340 [ 323.072406] 3*1024kB [ 323.074991] do_try_to_free_pages+0x3e7/0x1290 [ 323.079541] (UM) [ 323.081792] ? shrink_node+0x16b0/0x16b0 [ 323.086327] 1*2048kB (M) [ 323.089009] ? __lock_is_held+0xb5/0x140 [ 323.093301] 4*4096kB (M) [ 323.095293] try_to_free_pages+0x4d0/0xb90 [ 323.099053] = 25156kB [ 323.101293] ? do_try_to_free_pages+0x1290/0x1290 [ 323.105843] Node 0 [ 323.107901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.113407] Normal: 1005*4kB [ 323.116091] ? lock_acquire+0x1ed/0x520 [ 323.120813] (MEH) [ 323.123477] ? set_page_refcounted+0x280/0x280 [ 323.129153] 451*8kB (ME) [ 323.131916] ? lock_release+0x970/0x970 [ 323.135687] 184*16kB (UME) [ 323.138100] ? ___might_sleep+0x1ed/0x300 [ 323.142651] 94*32kB (UME) [ 323.144718] ? arch_local_save_flags+0x40/0x40 [ 323.148745] 5*64kB (UM) [ 323.151533] __alloc_pages_slowpath+0x993/0x2d80 [ 323.155556] 0*128kB 0*256kB [ 323.158343] ? warn_alloc+0x120/0x120 [ 323.162520] 0*512kB 0*1024kB [ 323.164951] ? __radix_tree_lookup+0x4c0/0x4c0 [ 323.169758] 0*2048kB 0*4096kB [ 323.172028] ? find_get_entry+0x2f2/0xc40 [ 323.177522] = 13900kB [ 323.177536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.180637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.184590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.186730] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 323.191286] 4241 total pagecache pages [ 323.194037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.197991] 0 pages in swap cache [ 323.200910] ? should_fail+0x22d/0xd01 [ 323.205034] Swap cache stats: add 0, delete 0, find 0/0 [ 323.205042] Free swap = 0kB [ 323.207880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.212429] Total swap = 0kB [ 323.212437] 1965979 pages RAM [ 323.215110] ? __lock_is_held+0xb5/0x140 [ 323.219843] 0 pages HighMem/MovableOnly [ 323.219851] 342307 pages reserved [ 323.222882] ? __lock_is_held+0xb5/0x140 [ 323.226628] 0 pages cma reserved [ 323.226702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.229741] ? __lock_acquire+0x7ec/0x4ec0 [ 323.234383] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.237484] ? ___might_sleep+0x1ed/0x300 [ 323.241610] syz-executor5 cpuset= [ 323.244015] ? lock_release+0x970/0x970 [ 323.252841] syz5 [ 323.258375] ? arch_local_save_flags+0x40/0x40 [ 323.266924] mems_allowed=0 [ 323.271861] ? __might_sleep+0x95/0x190 [ 323.275727] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 323.281254] __alloc_pages_nodemask+0xa80/0xde0 [ 323.284676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.284684] Call Trace: [ 323.288567] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.293902] [ 323.296917] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 323.302003] dump_stack+0x1c4/0x2b4 [ 323.305003] ? kasan_check_read+0x11/0x20 [ 323.308224] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.312272] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.316236] warn_alloc.cold.119+0xb7/0x1bd [ 323.319664] ? graph_lock+0x170/0x170 [ 323.323709] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.327061] ? print_usage_bug+0xc0/0xc0 [ 323.333539] ? lock_downgrade+0x900/0x900 [ 323.337756] ? graph_lock+0x170/0x170 [ 323.348229] ? trace_hardirqs_off+0xb8/0x310 [ 323.352387] ? graph_lock+0x170/0x170 [ 323.355841] ? trace_hardirqs_off+0xb8/0x310 [ 323.359798] ? __do_page_cache_readahead+0x7ce/0x980 [ 323.361766] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.366335] ? find_held_lock+0x36/0x1c0 [ 323.369274] ? warn_alloc+0x120/0x120 [ 323.373210] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 323.380382] ? trace_hardirqs_on+0x310/0x310 [ 323.385040] alloc_pages_current+0x10c/0x210 [ 323.394380] ? warn_alloc+0x120/0x120 [ 323.396959] ? lock_downgrade+0x900/0x900 [ 323.401967] ? print_usage_bug+0xc0/0xc0 [ 323.404132] __page_cache_alloc+0x38f/0x5b0 [ 323.409912] ? warn_alloc+0x120/0x120 [ 323.413524] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 323.417653] ? ktime_get+0x2e1/0x440 [ 323.417668] ? print_usage_bug+0xc0/0xc0 [ 323.422845] ? kasan_check_read+0x11/0x20 [ 323.428105] ? __lock_acquire+0x7ec/0x4ec0 [ 323.432409] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.436193] ? __lock_acquire+0x7ec/0x4ec0 [ 323.441175] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 323.445221] ? kasan_check_read+0x11/0x20 [ 323.449357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.453142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.457536] ? check_preemption_disabled+0x48/0x200 [ 323.461316] ? should_fail+0x22d/0xd01 [ 323.465715] filemap_fault+0x1594/0x25f0 [ 323.470799] ? rcu_bh_qs+0xc0/0xc0 [ 323.475636] ? __lock_page_or_retry+0xa00/0xa00 [ 323.479675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.483465] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 323.488988] ? __lock_acquire+0x7ec/0x4ec0 [ 323.493382] ? kasan_check_read+0x11/0x20 [ 323.497781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.501567] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.505691] ? __lock_acquire+0x7ec/0x4ec0 [ 323.505707] ? should_fail+0x22d/0xd01 [ 323.509755] ? ep_scan_ready_list+0xbeb/0x1050 [ 323.514070] ? rcu_idle_enter+0x4b0/0x4b0 [ 323.517855] ? rcu_bh_qs+0xc0/0xc0 [ 323.523640] ? mark_held_locks+0x130/0x130 [ 323.527336] ? lock_downgrade+0x900/0x900 [ 323.527353] ? graph_lock+0x170/0x170 [ 323.531401] ? mark_held_locks+0x130/0x130 [ 323.535537] ? filemap_map_pages+0xdea/0x1980 [ 323.539749] ? mark_held_locks+0xc7/0x130 [ 323.545036] ? find_get_pages_range_tag+0x1320/0x1320 [ 323.549243] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 323.553896] ? wait_for_completion+0x8a0/0x8a0 [ 323.558023] ? graph_lock+0x170/0x170 [ 323.563544] ? graph_lock+0x170/0x170 [ 323.569069] ? print_usage_bug+0xc0/0xc0 [ 323.574085] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.577990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.582051] ? kasan_check_read+0x11/0x20 [ 323.585582] ? check_preemption_disabled+0x48/0x200 [ 323.590231] ? ep_scan_ready_list+0xbc7/0x1050 [ 323.595317] ? check_preemption_disabled+0x48/0x200 [ 323.601100] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.605323] ? __lock_is_held+0xb5/0x140 [ 323.609452] ? lock_acquire+0x1ed/0x520 [ 323.614540] __alloc_pages_nodemask+0xa80/0xde0 [ 323.619813] ? ext4_filemap_fault+0x7a/0xad [ 323.624028] ? graph_lock+0x170/0x170 [ 323.627906] ? lock_release+0x970/0x970 [ 323.632477] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.636609] ? arch_local_save_flags+0x40/0x40 [ 323.640131] ? graph_lock+0x170/0x170 [ 323.644351] ? ep_poll_callback+0x10e0/0x10e0 [ 323.648491] ? find_held_lock+0x36/0x1c0 [ 323.652278] ? down_read+0xb0/0x1d0 [ 323.656494] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.660976] ? ext4_filemap_fault+0x7a/0xad [ 323.665108] ? lock_downgrade+0x900/0x900 [ 323.670285] ? __down_interruptible+0x700/0x700 [ 323.675286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.679851] ? get_futex_key+0x21b0/0x21b0 [ 323.683641] cache_grow_begin+0x91/0x8c0 [ 323.687442] ext4_filemap_fault+0x82/0xad [ 323.691483] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.696049] __do_fault+0x100/0x6b0 [ 323.701571] fallback_alloc+0x203/0x2e0 [ 323.705697] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.710706] ____cache_alloc_node+0x1c7/0x1e0 [ 323.715268] ? print_bad_pte+0x6c0/0x6c0 [ 323.720267] kmem_cache_alloc_node+0xe3/0x730 [ 323.725699] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.729743] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.733700] ? trace_hardirqs_on+0xbd/0x310 [ 323.738356] __alloc_skb+0x119/0x770 [ 323.742653] ? kasan_check_read+0x11/0x20 [ 323.746441] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.750396] ? pmd_val+0x88/0x100 [ 323.755398] ? skb_scrub_packet+0x490/0x490 [ 323.759975] ? add_mm_counter_fast+0xd0/0xd0 [ 323.763774] ? lock_downgrade+0x900/0x900 [ 323.768249] ? pmd_val+0x88/0x100 [ 323.772301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.775909] ? add_mm_counter_fast+0xd0/0xd0 [ 323.780566] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.784872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.789001] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.793663] __handle_mm_fault+0x3709/0x53e0 [ 323.799201] ? addrconf_rs_timer+0x690/0x690 [ 323.803423] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 323.807484] ndisc_alloc_skb+0x144/0x340 [ 323.811597] ? graph_lock+0x170/0x170 [ 323.815994] ndisc_send_rs+0x331/0x6e0 [ 323.819603] ? print_usage_bug+0xc0/0xc0 [ 323.823573] addrconf_rs_timer+0x314/0x690 [ 323.828051] ? rcu_bh_qs+0xc0/0xc0 [ 323.832530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.836588] ? graph_lock+0x170/0x170 [ 323.841074] call_timer_fn+0x272/0x920 [ 323.845631] ? graph_lock+0x170/0x170 [ 323.849852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.854176] ? handle_mm_fault+0x42a/0xc70 [ 323.857871] ? process_timeout+0x40/0x40 [ 323.862003] ? lock_downgrade+0x900/0x900 [ 323.867261] ? find_held_lock+0x36/0x1c0 [ 323.870704] ? check_preemption_disabled+0x48/0x200 [ 323.875009] ? __run_timers+0x7da/0xc70 [ 323.879398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 323.883529] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.886976] ? kasan_check_read+0x11/0x20 [ 323.892502] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.896902] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.902329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.902347] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.907866] ? rcu_bh_qs+0xc0/0xc0 [ 323.913300] ? trace_hardirqs_on+0xbd/0x310 [ 323.917692] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.922090] ? kasan_check_read+0x11/0x20 [ 323.922108] ? __run_timers+0x7da/0xc70 [ 323.926950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.930987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.934772] ? check_preemption_disabled+0x48/0x200 [ 323.938650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.942699] handle_mm_fault+0x54f/0xc70 [ 323.946912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.950434] ? __handle_mm_fault+0x53e0/0x53e0 [ 323.954654] __run_timers+0x7e5/0xc70 [ 323.958434] ? find_vma+0x34/0x190 [ 323.962319] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.966099] __do_page_fault+0x67d/0xed0 [ 323.970317] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 323.974536] ? mm_fault_error+0x380/0x380 [ 323.978579] ? graph_lock+0x170/0x170 [ 323.982710] ? trace_hardirqs_off+0xb8/0x310 [ 323.986756] ? enqueue_hrtimer+0x1a5/0x560 [ 323.991757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.995711] ? lock_release+0x970/0x970 [ 323.995726] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.001510] ? trace_hardirqs_on+0x310/0x310 [ 324.005992] ? find_held_lock+0x36/0x1c0 [ 324.010134] do_page_fault+0xf2/0x7e0 [ 324.014612] ? graph_lock+0x170/0x170 [ 324.019870] ? vmalloc_sync_all+0x30/0x30 [ 324.024085] ? pvclock_read_flags+0x160/0x160 [ 324.028650] ? error_entry+0x70/0xd0 [ 324.032181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.036489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.041925] ? check_preemption_disabled+0x48/0x200 [ 324.046057] ? trace_hardirqs_on_caller+0xc0/0x310 [ 324.050021] ? __lock_is_held+0xb5/0x140 [ 324.055545] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.060980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.065980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.070201] ? check_preemption_disabled+0x48/0x200 [ 324.074247] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.078470] run_timer_softirq+0x52/0xb0 [ 324.083033] ? trace_hardirqs_off+0x310/0x310 [ 324.086822] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.090345] ? prepare_exit_to_usermode+0x291/0x3b0 [ 324.095705] __do_softirq+0x30b/0xad8 [ 324.099748] ? page_fault+0x8/0x30 [ 324.104757] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 324.108881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.112668] ? pvclock_read_flags+0x160/0x160 [ 324.117071] ? page_fault+0x8/0x30 [ 324.121321] ? lapic_next_event+0x5a/0x90 [ 324.126673] page_fault+0x1e/0x30 [ 324.130630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.135801] RIP: 0033:0x45df89 [ 324.140197] ? check_preemption_disabled+0x48/0x200 [ 324.144235] Code: Bad RIP value. [ 324.148019] ? check_preemption_disabled+0x48/0x200 [ 324.148054] ? kvm_clock_read+0x18/0x30 [ 324.151855] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 324.156006] ? kvm_sched_clock_read+0x9/0x20 [ 324.164178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.169693] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 324.174696] ? check_preemption_disabled+0x48/0x200 [ 324.179689] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 324.184647] irq_exit+0x17f/0x1c0 [ 324.188677] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 324.193594] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.199110] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 324.203954] ? smp_reschedule_interrupt+0x109/0x650 [ 324.208966] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 324.213975] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.218041] rcu: rcu_preempt kthread starved for 10688 jiffies! g13253 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 324.222501] ? interrupt_entry+0xb5/0xf0 [ 324.227496] rcu: RCU grace-period kthread stack dump: [ 324.232508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.236284] rcu_preempt R [ 324.239809] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.239828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.244902] running task [ 324.249738] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.254216] 23096 10 2 0x80000000 [ 324.257741] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.261874] Call Trace: [ 324.265332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.270852] __schedule+0x86c/0x1ed0 [ 324.274040] ? check_preemption_disabled+0x48/0x200 [ 324.279041] ? __sched_text_start+0x8/0x8 [ 324.282388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.287388] ? __mod_timer+0x6f6/0x1870 [ 324.291352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.296699] ? add_timer_on+0x9f0/0x9f0 [ 324.301097] apic_timer_interrupt+0xf/0x20 [ 324.306615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.313867] [ 324.318872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.326135] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 324.329572] ? trace_hardirqs_on+0xbd/0x310 [ 324.336828] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 324.341657] ? kasan_check_read+0x11/0x20 [ 324.348904] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 324.353948] ? prepare_to_swait_event+0x25a/0x800 [ 324.361195] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 324.367069] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.377561] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 324.377573] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 324.381627] schedule+0xfe/0x460 [ 324.386786] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 324.386798] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 324.391817] ? __schedule+0x1ed0/0x1ed0 [ 324.394939] skb_clone+0x1bb/0x500 [ 324.399908] ? prepare_to_swait_event+0x25a/0x800 [ 324.404733] ? finish_task_switch+0x1b5/0x900 [ 324.407913] ? __init_swait_queue_head+0x150/0x150 [ 324.412911] ? skb_split+0x11e0/0x11e0 [ 324.417050] ? __lockdep_init_map+0x105/0x590 [ 324.422050] ? preempt_notifier_register+0x200/0x200 [ 324.424615] ? lockdep_init_map+0x9/0x10 [ 324.430131] ? __switch_to_asm+0x34/0x70 [ 324.430146] ? __switch_to_asm+0x34/0x70 [ 324.433844] schedule_timeout+0x140/0x260 [ 324.438836] ? __switch_to_asm+0x40/0x70 [ 324.438850] ? __switch_to_asm+0x34/0x70 [ 324.442982] ? usleep_range+0x1a0/0x1a0 [ 324.448496] ? __switch_to_asm+0x40/0x70 [ 324.448510] ? __switch_to_asm+0x34/0x70 [ 324.452488] ? __next_timer_interrupt+0x1a0/0x1a0 [ 324.457308] ? __switch_to_asm+0x40/0x70 [ 324.461267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.465495] ? __switch_to_asm+0x34/0x70 [ 324.470601] rcu_gp_kthread+0x9d9/0x2310 [ 324.472815] ? __switch_to_asm+0x34/0x70 [ 324.477924] ? rcu_gp_init+0x1830/0x1830 [ 324.482819] ? __switch_to_asm+0x40/0x70 [ 324.487127] ? update_curr+0x344/0xbe0 [ 324.506014] ? __switch_to_asm+0x34/0x70 [ 324.506036] bpf_clone_redirect+0xb9/0x490 [ 324.510164] ? graph_lock+0x170/0x170 [ 324.517858] ? __schedule+0x874/0x1ed0 [ 324.522685] ? __account_cfs_rq_runtime+0x790/0x790 [ 324.529950] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 324.535386] ? __lock_acquire+0x7ec/0x4ec0 [ 324.542644] ? __sched_text_start+0x8/0x8 [ 324.549904] ? graph_lock+0x170/0x170 [ 324.553265] ? find_held_lock+0x36/0x1c0 [ 324.560518] ? mark_held_locks+0x130/0x130 [ 324.567785] ? lock_acquire+0x1ed/0x520 [ 324.571746] ? __lock_is_held+0xb5/0x140 [ 324.575265] ? bpf_test_run+0x32e/0x5a0 [ 324.580090] ? __account_cfs_rq_runtime+0x790/0x790 [ 324.584575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.589492] ? set_next_entity+0x2f0/0xaf0 [ 324.593357] ? check_preemption_disabled+0x48/0x200 [ 324.597840] ? mark_held_locks+0x130/0x130 [ 324.602927] ? kasan_check_read+0x11/0x20 [ 324.606987] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.611032] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.615076] ? update_load_avg+0x2470/0x2470 [ 324.619225] ? rcu_bh_qs+0xc0/0xc0 [ 324.623272] ? __enqueue_entity+0x10d/0x1f0 [ 324.627320] ? preempt_schedule+0x4d/0x60 [ 324.631281] ? graph_lock+0x170/0x170 [ 324.635328] ? ___preempt_schedule+0x16/0x18 [ 324.639373] ? match_held_lock+0x291/0x8d0 [ 324.644212] ? bpf_test_run+0x1c0/0x5a0 [ 324.648249] ? graph_lock+0x170/0x170 [ 324.653796] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.657840] ? match_held_lock+0x290/0x8d0 [ 324.661879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.665939] ? match_held_lock+0x290/0x8d0 [ 324.670006] ? bpf_test_init.isra.9+0x70/0x100 [ 324.674058] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.677928] ? bpf_prog_test_run_skb+0x634/0xb40 [ 324.681981] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.686203] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.689983] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.693864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.693893] ? fput+0x130/0x1a0 [ 324.698954] ? trace_hardirqs_on+0xbd/0x310 [ 324.703960] ? __bpf_prog_get+0x9b/0x290 [ 324.708179] ? kasan_check_read+0x11/0x20 [ 324.712311] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.716103] ? mark_held_locks+0x130/0x130 [ 324.720144] ? bpf_prog_test_run+0x130/0x1a0 [ 324.724360] ? audit_add_watch+0xc1/0xdc0 [ 324.728319] ? __x64_sys_bpf+0x3d8/0x510 [ 324.732368] ? kasan_check_write+0x14/0x20 [ 324.736323] ? bpf_prog_get+0x20/0x20 [ 324.741327] ? finish_task_switch+0x2f5/0x900 [ 324.746858] ? do_syscall_64+0x1b9/0x820 [ 324.751059] ? __switch_to_asm+0x40/0x70 [ 324.756053] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.756070] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.760288] ? preempt_notifier_register+0x200/0x200 [ 324.764425] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.769426] ? __switch_to_asm+0x34/0x70 [ 324.774691] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.779081] ? __switch_to_asm+0x34/0x70 [ 324.782620] ? recalc_sigpending_tsk+0x180/0x180 [ 324.786924] ? __switch_to_asm+0x40/0x70 [ 324.791065] ? kasan_check_write+0x14/0x20 [ 324.794848] ? __switch_to_asm+0x40/0x70 [ 324.799245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.803493] ? __switch_to_asm+0x34/0x70 [ 324.807459] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.811237] ? __switch_to_asm+0x40/0x70 [ 324.815703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 324.819843] ? __switch_to_asm+0x34/0x70 [ 324.819858] ? __switch_to_asm+0x34/0x70 [ 324.825470] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 324.829630] ? __switch_to_asm+0x40/0x70 [ 324.834204] syz-executor5 cpuset= [ 324.838687] ? __switch_to_asm+0x40/0x70 [ 324.843428] syz5 [ 324.847929] ? __switch_to_asm+0x34/0x70 [ 324.852761] mems_allowed=0 [ 324.857335] ? __switch_to_asm+0x40/0x70 [ 324.862858] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 324.866122] ? __schedule+0x874/0x1ed0 [ 324.870414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.870422] Call Trace: [ 324.874477] ? __switch_to_asm+0x40/0x70 [ 324.878601] [ 324.883433] ? __switch_to_asm+0x40/0x70 [ 324.887657] dump_stack+0x1c4/0x2b4 [ 324.892051] ? graph_lock+0x170/0x170 [ 324.896179] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.900222] ? __sched_text_start+0x8/0x8 [ 324.904451] warn_alloc.cold.119+0xb7/0x1bd [ 324.908228] ? find_held_lock+0x36/0x1c0 [ 324.912706] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.916758] ? __kthread_parkme+0xce/0x1a0 [ 324.920813] ? lock_downgrade+0x900/0x900 [ 324.926160] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.931074] ? trace_hardirqs_off+0xb8/0x310 [ 324.936157] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.941157] ? trace_hardirqs_off+0xb8/0x310 [ 324.945199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.950205] __alloc_pages_slowpath+0x2667/0x2d80 [ 324.954244] ? trace_hardirqs_on+0xbd/0x310 [ 324.959005] ? warn_alloc+0x120/0x120 [ 324.963029] ? kasan_check_read+0x11/0x20 [ 324.967247] ? trace_hardirqs_on+0x310/0x310 [ 324.971294] ? __kthread_parkme+0xce/0x1a0 [ 324.976117] ? warn_alloc+0x120/0x120 [ 324.980165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.985510] ? print_usage_bug+0xc0/0xc0 [ 324.989554] ? kasan_check_write+0x14/0x20 [ 324.996049] ? warn_alloc+0x120/0x120 [ 325.000097] ? do_raw_spin_lock+0xc1/0x200 [ 325.004139] ? ktime_get+0x2e1/0x440 [ 325.014607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 325.018650] ? print_usage_bug+0xc0/0xc0 [ 325.022087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.026132] ? __lock_acquire+0x7ec/0x4ec0 [ 325.028091] ? __kthread_parkme+0xfb/0x1a0 [ 325.032135] ? __lock_acquire+0x7ec/0x4ec0 [ 325.035053] kthread+0x35a/0x420 [ 325.039095] ? kasan_check_read+0x11/0x20 [ 325.046270] ? rcu_gp_init+0x1830/0x1830 [ 325.050139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.059480] ? kthread_bind+0x40/0x40 [ 325.062048] ? should_fail+0x22d/0xd01 [ 325.066091] ret_from_fork+0x3a/0x50 [ 325.068229] ? rcu_bh_qs+0xc0/0xc0 [ 325.072409] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 325.075905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.079728] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.084861] ? __lock_acquire+0x7ec/0x4ec0 [ 325.088986] syz-fuzzer cpuset= [ 325.093302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.097335] / [ 325.102168] ? __lock_acquire+0x7ec/0x4ec0 [ 325.106376] mems_allowed=0 [ 325.110511] ? should_fail+0x22d/0xd01 [ 325.295066] ? rcu_idle_enter+0x4b0/0x4b0 [ 325.299233] ? mark_held_locks+0x130/0x130 [ 325.303480] ? mark_held_locks+0x130/0x130 [ 325.307920] ? mark_held_locks+0xc7/0x130 [ 325.312085] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 325.317100] ? graph_lock+0x170/0x170 [ 325.320902] ? print_usage_bug+0xc0/0xc0 [ 325.324973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.330514] ? check_preemption_disabled+0x48/0x200 [ 325.335532] ? check_preemption_disabled+0x48/0x200 [ 325.340570] ? __lock_is_held+0xb5/0x140 [ 325.344654] __alloc_pages_nodemask+0xa80/0xde0 [ 325.349326] ? graph_lock+0x170/0x170 [ 325.353130] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 325.358147] ? graph_lock+0x170/0x170 [ 325.361964] ? find_held_lock+0x36/0x1c0 [ 325.366041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.370715] ? lock_downgrade+0x900/0x900 [ 325.374871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.380415] cache_grow_begin+0x91/0x8c0 [ 325.384495] ? do_raw_spin_unlock+0xa7/0x2f0 [ 325.388910] fallback_alloc+0x203/0x2e0 [ 325.392901] ____cache_alloc_node+0x1c7/0x1e0 [ 325.397414] kmem_cache_alloc_node+0xe3/0x730 [ 325.401917] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.406178] __alloc_skb+0x119/0x770 [ 325.409891] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.415190] ? skb_scrub_packet+0x490/0x490 [ 325.419530] ? lock_downgrade+0x900/0x900 [ 325.423687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.429242] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.434708] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.440676] ? addrconf_rs_timer+0x690/0x690 [ 325.445120] ndisc_alloc_skb+0x144/0x340 [ 325.449188] ndisc_send_rs+0x331/0x6e0 [ 325.453084] addrconf_rs_timer+0x314/0x690 [ 325.457325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.461612] call_timer_fn+0x272/0x920 [ 325.465518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.469756] ? process_timeout+0x40/0x40 [ 325.473814] ? find_held_lock+0x36/0x1c0 [ 325.477885] ? __run_timers+0x7da/0xc70 [ 325.481905] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.486404] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.490903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.495145] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 325.499728] ? trace_hardirqs_on+0xbd/0x310 [ 325.504080] ? kasan_check_read+0x11/0x20 [ 325.508228] ? __run_timers+0x7da/0xc70 [ 325.512206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.517664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.521911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.526150] __run_timers+0x7e5/0xc70 [ 325.529975] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 325.535355] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 325.540371] ? graph_lock+0x170/0x170 [ 325.544204] ? enqueue_hrtimer+0x1a5/0x560 [ 325.548435] ? lock_release+0x970/0x970 [ 325.552432] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 325.557649] ? find_held_lock+0x36/0x1c0 [ 325.561740] ? graph_lock+0x170/0x170 [ 325.565569] ? pvclock_read_flags+0x160/0x160 [ 325.570067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.575604] ? check_preemption_disabled+0x48/0x200 [ 325.580632] ? __lock_is_held+0xb5/0x140 [ 325.584697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.590234] ? check_preemption_disabled+0x48/0x200 [ 325.595258] run_timer_softirq+0x52/0xb0 [ 325.599320] ? rcu_read_lock_sched_held+0x108/0x120 [ 325.604341] __do_softirq+0x30b/0xad8 [ 325.608152] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 325.613262] ? pvclock_read_flags+0x160/0x160 [ 325.617761] ? lapic_next_event+0x5a/0x90 [ 325.621917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.627467] ? check_preemption_disabled+0x48/0x200 [ 325.632488] ? check_preemption_disabled+0x48/0x200 [ 325.637505] ? kvm_clock_read+0x18/0x30 [ 325.641481] ? kvm_sched_clock_read+0x9/0x20 [ 325.645893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.651431] ? check_preemption_disabled+0x48/0x200 [ 325.656490] irq_exit+0x17f/0x1c0 [ 325.659952] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.664795] ? smp_reschedule_interrupt+0x109/0x650 [ 325.669815] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.675705] ? interrupt_entry+0xb5/0xf0 [ 325.679767] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.684794] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.689842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.694699] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.699745] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.704763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.710301] ? check_preemption_disabled+0x48/0x200 [ 325.715315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.720862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.725731] apic_timer_interrupt+0xf/0x20 [ 325.729961] [ 325.732231] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 325.737160] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 325.756060] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 325.763768] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 325.771034] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 325.778304] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 325.785572] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 325.792842] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 325.800151] skb_clone+0x1bb/0x500 [ 325.803696] ? finish_task_switch+0x1b5/0x900 [ 325.808193] ? skb_split+0x11e0/0x11e0 [ 325.812082] ? preempt_notifier_register+0x200/0x200 [ 325.817181] ? __switch_to_asm+0x34/0x70 [ 325.821239] ? __switch_to_asm+0x34/0x70 [ 325.825296] ? __switch_to_asm+0x40/0x70 [ 325.829352] ? __switch_to_asm+0x34/0x70 [ 325.833411] ? __switch_to_asm+0x40/0x70 [ 325.837479] ? __switch_to_asm+0x34/0x70 [ 325.841546] ? __switch_to_asm+0x40/0x70 [ 325.845615] ? __switch_to_asm+0x34/0x70 [ 325.849674] ? __switch_to_asm+0x34/0x70 [ 325.853733] ? __switch_to_asm+0x40/0x70 [ 325.857791] ? __switch_to_asm+0x34/0x70 [ 325.861859] bpf_clone_redirect+0xb9/0x490 [ 325.866097] ? __schedule+0x874/0x1ed0 [ 325.869991] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 325.875011] ? __sched_text_start+0x8/0x8 [ 325.879174] ? find_held_lock+0x36/0x1c0 [ 325.883244] ? lock_acquire+0x1ed/0x520 [ 325.887221] ? bpf_test_run+0x32e/0x5a0 [ 325.891198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.896737] ? check_preemption_disabled+0x48/0x200 [ 325.901757] ? kasan_check_read+0x11/0x20 [ 325.905923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.911224] ? rcu_bh_qs+0xc0/0xc0 [ 325.914780] ? preempt_schedule+0x4d/0x60 [ 325.918940] ? ___preempt_schedule+0x16/0x18 [ 325.923358] ? bpf_test_run+0x1c0/0x5a0 [ 325.927343] ? netlink_diag_dump+0x2a0/0x2a0 [ 325.931754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.937292] ? bpf_test_init.isra.9+0x70/0x100 [ 325.941879] ? bpf_prog_test_run_skb+0x634/0xb40 [ 325.946654] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 325.951510] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.957042] ? fput+0x130/0x1a0 [ 325.960322] ? __bpf_prog_get+0x9b/0x290 [ 325.964389] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 325.969231] ? bpf_prog_test_run+0x130/0x1a0 [ 325.973641] ? __x64_sys_bpf+0x3d8/0x510 [ 325.977701] ? bpf_prog_get+0x20/0x20 [ 325.981524] ? do_syscall_64+0x1b9/0x820 [ 325.985587] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 325.990959] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.995908] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.000944] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 326.005974] ? recalc_sigpending_tsk+0x180/0x180 [ 326.010727] ? kasan_check_write+0x14/0x20 [ 326.015003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.019857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 326.025250] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 326.025255] warn_alloc_show_mem: 1 callbacks suppressed [ 326.025262] Mem-Info: [ 326.032189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.037573] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 326.037573] active_file:13 inactive_file:13 isolated_file:1 [ 326.037573] unevictable:0 dirty:0 writeback:0 unstable:0 [ 326.037573] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 326.037573] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 326.037573] free:13741 free_pcp:221 free_cma:0 [ 326.039957] Call Trace: [ 326.049346] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 326.082358] [ 326.084929] Node 0 [ 326.112782] dump_stack+0x1c4/0x2b4 [ 326.114927] 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 [ 326.117133] ? dump_stack_print_info.cold.2+0x52/0x52 [ 326.120725] lowmem_reserve[]: 0 [ 326.146251] warn_alloc.cold.119+0xb7/0x1bd [ 326.151406] 2819 [ 326.154681] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.158979] 6323 [ 326.161048] ? lock_downgrade+0x900/0x900 [ 326.165865] 6323 [ 326.167928] ? trace_hardirqs_off+0xb8/0x310 [ 326.174118] ? trace_hardirqs_off+0xb8/0x310 [ 326.178496] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 326.182958] __alloc_pages_slowpath+0x2667/0x2d80 [ 326.183001] ? warn_alloc+0x120/0x120 [ 326.210627] lowmem_reserve[]: [ 326.215483] ? warn_alloc+0x120/0x120 [ 326.219255] 0 [ 326.222356] ? print_usage_bug+0xc0/0xc0 [ 326.226124] 0 3503 [ 326.227940] ? warn_alloc+0x120/0x120 [ 326.231976] 3503 [ 326.234204] ? print_usage_bug+0xc0/0xc0 [ 326.240047] ? __lock_acquire+0x7ec/0x4ec0 [ 326.244100] Node 0 [ 326.248324] ? __lock_acquire+0x7ec/0x4ec0 [ 326.248359] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 326.250565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.254765] lowmem_reserve[]: 0 [ 326.283226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.288734] 0 [ 326.292010] ? should_fail+0x22d/0xd01 [ 326.297512] 0 0 [ 326.299321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.303181] Node 0 [ 326.305160] ? __lock_acquire+0x7ec/0x4ec0 [ 326.310226] DMA: 1*4kB [ 326.312467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.316674] (U) [ 326.319255] ? __lock_acquire+0x7ec/0x4ec0 [ 326.324332] 0*8kB [ 326.326307] ? should_fail+0x22d/0xd01 [ 326.330516] 0*16kB [ 326.332669] ? mark_held_locks+0x130/0x130 [ 326.336526] 1*32kB [ 326.338755] ? mark_held_locks+0x130/0x130 [ 326.342968] (U) [ 326.345197] ? graph_lock+0x170/0x170 [ 326.349401] 2*64kB (U) [ 326.351382] ? print_usage_bug+0xc0/0xc0 [ 326.355156] 1*128kB (U) [ 326.357743] ? graph_lock+0x170/0x170 [ 326.361778] 1*256kB (U) [ 326.364451] ? print_usage_bug+0xc0/0xc0 [ 326.368229] 0*512kB 1*1024kB [ 326.370900] ? wq_watchdog_touch+0x9c/0xfe [ 326.374949] (U) [ 326.378053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.382254] 1*2048kB (M) [ 326.384233] ? check_preemption_disabled+0x48/0x200 [ 326.389741] 3*4096kB [ 326.392491] ? check_preemption_disabled+0x48/0x200 [ 326.397479] (M) [ 326.399891] ? __lock_is_held+0xb5/0x140 [ 326.407741] = 15908kB [ 326.409715] __alloc_pages_nodemask+0xa80/0xde0 [ 326.413746] Node 0 [ 326.416145] ? graph_lock+0x170/0x170 [ 326.420783] DMA32: 5*4kB [ 326.423022] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 326.426799] (UM) [ 326.429546] ? graph_lock+0x170/0x170 [ 326.434531] 0*8kB 3*16kB [ 326.436602] ? find_held_lock+0x36/0x1c0 [ 326.440368] (UM) [ 326.443129] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.447155] 2*32kB (M) [ 326.449218] ? lock_downgrade+0x900/0x900 [ 326.453860] 5*64kB [ 326.456440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.460593] (UM) [ 326.462827] cache_grow_begin+0x91/0x8c0 [ 326.468363] 3*128kB [ 326.470424] ? do_raw_spin_unlock+0xa7/0x2f0 [ 326.474465] (M) [ 326.476786] fallback_alloc+0x203/0x2e0 [ 326.481164] 3*256kB [ 326.483140] ____cache_alloc_node+0x1c7/0x1e0 [ 326.487099] (M) [ 326.489421] kmem_cache_alloc_node+0xe3/0x730 [ 326.493887] 4*512kB [ 326.495860] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.500330] (UM) [ 326.502652] __alloc_skb+0x119/0x770 [ 326.506852] 3*1024kB (UM) [ 326.508918] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.512606] 1*2048kB [ 326.515442] ? skb_scrub_packet+0x490/0x490 [ 326.520698] (M) [ 326.523102] ? lock_downgrade+0x900/0x900 [ 326.527393] 4*4096kB (M) [ 326.529373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.533494] = 25156kB [ 326.536250] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.541760] Node 0 [ 326.544164] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 326.549587] Normal: [ 326.551822] ? addrconf_rs_timer+0x690/0x690 [ 326.557243] 1005*4kB [ 326.559568] ndisc_alloc_skb+0x144/0x340 [ 326.563953] (MEH) [ 326.566360] ndisc_send_rs+0x331/0x6e0 [ 326.570390] 451*8kB (ME) [ 326.572544] addrconf_rs_timer+0x314/0x690 [ 326.576402] 184*16kB (UME) [ 326.579164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.583364] 94*32kB (UME) [ 326.586305] call_timer_fn+0x272/0x920 [ 326.590505] 5*64kB [ 326.593347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.597206] (UM) [ 326.599435] ? process_timeout+0x40/0x40 [ 326.603647] 0*128kB [ 326.605706] ? find_held_lock+0x36/0x1c0 [ 326.609739] 0*256kB [ 326.612061] ? mark_held_locks+0xc7/0x130 [ 326.616091] 0*512kB [ 326.618419] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.622538] 0*1024kB 0*2048kB [ 326.624863] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.629337] 0*4096kB [ 326.632522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.636988] = 13900kB [ 326.639391] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 326.643606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 326.646002] ? trace_hardirqs_on+0xbd/0x310 [ 326.650562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 326.659385] ? kasan_check_read+0x11/0x20 [ 326.663686] 4241 total pagecache pages [ 326.672252] ? __run_timers+0x7da/0xc70 [ 326.676380] 0 pages in swap cache [ 326.680256] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.684206] Swap cache stats: add 0, delete 0, find 0/0 [ 326.684214] Free swap = 0kB [ 326.687664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.693090] Total swap = 0kB [ 326.698444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.701448] 1965979 pages RAM [ 326.705669] __run_timers+0x7e5/0xc70 [ 326.708661] 0 pages HighMem/MovableOnly [ 326.708670] 342307 pages reserved [ 326.712905] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 326.715972] 0 pages cma reserved [ 326.716046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.719773] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.723813] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.727172] ? graph_lock+0x170/0x170 [ 326.732514] syz-executor5 cpuset= [ 326.735875] ? print_usage_bug+0xc0/0xc0 [ 326.742356] syz5 [ 326.747364] ? lock_release+0x970/0x970 [ 326.757825] mems_allowed=0 [ 326.761648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.783176] ? find_held_lock+0x36/0x1c0 [ 326.787246] ? graph_lock+0x170/0x170 [ 326.791053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.796595] ? check_preemption_disabled+0x48/0x200 [ 326.801620] ? __lock_is_held+0xb5/0x140 [ 326.805683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.811222] ? check_preemption_disabled+0x48/0x200 [ 326.816248] run_timer_softirq+0x52/0xb0 [ 326.820309] ? rcu_read_lock_sched_held+0x108/0x120 [ 326.825330] __do_softirq+0x30b/0xad8 [ 326.829140] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 326.834249] ? pvclock_read_flags+0x160/0x160 [ 326.838774] ? lapic_next_event+0x5a/0x90 [ 326.842923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.848500] ? check_preemption_disabled+0x48/0x200 [ 326.853512] ? check_preemption_disabled+0x48/0x200 [ 326.858531] ? kvm_clock_read+0x18/0x30 [ 326.862504] ? kvm_sched_clock_read+0x9/0x20 [ 326.866912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.872461] ? check_preemption_disabled+0x48/0x200 [ 326.877491] irq_exit+0x17f/0x1c0 [ 326.880962] smp_apic_timer_interrupt+0x1cb/0x760 [ 326.885807] ? smp_reschedule_interrupt+0x109/0x650 [ 326.890827] ? smp_call_function_single_interrupt+0x650/0x650 [ 326.896709] ? interrupt_entry+0xb5/0xf0 [ 326.900771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 326.905804] ? trace_hardirqs_off_caller+0xbb/0x310 [ 326.910838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.915685] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.920698] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.925712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.931247] ? check_preemption_disabled+0x48/0x200 [ 326.936265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.941810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.946656] apic_timer_interrupt+0xf/0x20 [ 326.950926] [ 326.953198] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 326.958213] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 326.977111] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 326.984839] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 326.992107] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 326.999373] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 327.006638] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 327.013902] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 327.021188] ? list_lru_count_one+0x36d/0x450 [ 327.025683] ? list_lru_count_one+0x260/0x450 [ 327.030188] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 327.036079] ? kasan_check_read+0x11/0x20 [ 327.040227] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.045507] ? rcu_bh_qs+0xc0/0xc0 [ 327.049059] list_lru_count_one+0x265/0x450 [ 327.053380] ? list_lru_add+0x980/0x980 [ 327.057358] ? deferred_split_count+0x65/0x170 [ 327.061955] ? shrink_huge_zero_page_count+0xc8/0x100 [ 327.067151] super_cache_count+0x153/0x2e0 [ 327.071390] do_shrink_slab+0x1a7/0xd20 [ 327.075369] ? lock_release+0x970/0x970 [ 327.079349] ? snapshot_refaults+0x290/0x290 [ 327.083768] ? ___might_sleep+0x1ed/0x300 [ 327.087922] ? down_read_trylock+0xff/0x1e0 [ 327.092257] ? shrink_slab+0x207/0x8c0 [ 327.096146] ? downgrade_write+0x2b0/0x2b0 [ 327.100382] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.105921] ? shrink_node_memcg+0xc82/0x18e0 [ 327.110444] shrink_slab+0x389/0x8c0 [ 327.114173] ? shrink_active_list+0x1c20/0x1c20 [ 327.118854] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 327.124483] ? kasan_check_read+0x11/0x20 [ 327.128639] ? do_raw_spin_unlock+0xa7/0x2f0 [ 327.133098] ? ___preempt_schedule+0x16/0x18 [ 327.137516] ? _raw_spin_unlock+0x3f/0x50 [ 327.141673] shrink_node+0x431/0x16b0 [ 327.145478] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 327.150783] ? shrink_node_memcg+0x18e0/0x18e0 [ 327.155380] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.159993] ? trace_hardirqs_on+0xbd/0x310 [ 327.164318] ? vmpressure+0x271/0x340 [ 327.168125] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 327.172728] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.178276] ? __cpuset_node_allowed+0x19b/0x660 [ 327.183034] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 327.188747] ? vmpressure+0x1a2/0x340 [ 327.192556] do_try_to_free_pages+0x3e7/0x1290 [ 327.197158] ? shrink_node+0x16b0/0x16b0 [ 327.201219] ? __lock_is_held+0xb5/0x140 [ 327.205299] try_to_free_pages+0x4d0/0xb90 [ 327.209542] ? do_try_to_free_pages+0x1290/0x1290 [ 327.214383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.219930] ? lock_acquire+0x1ed/0x520 [ 327.223925] ? set_page_refcounted+0x280/0x280 [ 327.228527] ? lock_release+0x970/0x970 [ 327.232506] ? ___might_sleep+0x1ed/0x300 [ 327.236651] ? arch_local_save_flags+0x40/0x40 [ 327.241242] __alloc_pages_slowpath+0x993/0x2d80 [ 327.246044] ? warn_alloc+0x120/0x120 [ 327.249848] ? __radix_tree_lookup+0x4c0/0x4c0 [ 327.254443] ? find_get_entry+0x2f2/0xc40 [ 327.258619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.264170] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 327.269100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.274640] ? should_fail+0x22d/0xd01 [ 327.278533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.283638] ? __lock_is_held+0xb5/0x140 [ 327.287727] ? __lock_is_held+0xb5/0x140 [ 327.291797] ? __lock_acquire+0x7ec/0x4ec0 [ 327.296041] ? ___might_sleep+0x1ed/0x300 [ 327.300186] ? lock_release+0x970/0x970 [ 327.304159] ? arch_local_save_flags+0x40/0x40 [ 327.309269] ? __might_sleep+0x95/0x190 [ 327.313252] __alloc_pages_nodemask+0xa80/0xde0 [ 327.317939] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 327.322978] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 327.328774] ? kasan_check_read+0x11/0x20 [ 327.332968] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.338248] ? graph_lock+0x170/0x170 [ 327.342052] ? print_usage_bug+0xc0/0xc0 [ 327.346118] ? graph_lock+0x170/0x170 [ 327.349916] ? graph_lock+0x170/0x170 [ 327.353726] ? __do_page_cache_readahead+0x7ce/0x980 [ 327.358835] ? find_held_lock+0x36/0x1c0 [ 327.362901] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 327.368449] alloc_pages_current+0x10c/0x210 [ 327.372853] ? lock_downgrade+0x900/0x900 [ 327.377011] __page_cache_alloc+0x38f/0x5b0 [ 327.381337] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 327.387132] ? kasan_check_read+0x11/0x20 [ 327.391284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.396577] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 327.401249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.406790] ? check_preemption_disabled+0x48/0x200 [ 327.411816] filemap_fault+0x1594/0x25f0 [ 327.415893] ? __lock_page_or_retry+0xa00/0xa00 [ 327.420559] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 327.426357] ? kasan_check_read+0x11/0x20 [ 327.430507] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.435784] ? ep_scan_ready_list+0xbeb/0x1050 [ 327.440519] ? rcu_bh_qs+0xc0/0xc0 [ 327.444060] ? lock_downgrade+0x900/0x900 [ 327.448209] ? graph_lock+0x170/0x170 [ 327.452020] ? filemap_map_pages+0xdea/0x1980 [ 327.456532] ? find_get_pages_range_tag+0x1320/0x1320 [ 327.461749] ? wait_for_completion+0x8a0/0x8a0 [ 327.466348] ? graph_lock+0x170/0x170 [ 327.470165] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.474755] ? kasan_check_read+0x11/0x20 [ 327.478905] ? ep_scan_ready_list+0xbc7/0x1050 [ 327.483501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.488974] ? lock_acquire+0x1ed/0x520 [ 327.492960] ? ext4_filemap_fault+0x7a/0xad [ 327.497292] ? lock_release+0x970/0x970 [ 327.501298] ? arch_local_save_flags+0x40/0x40 [ 327.505929] ? ep_poll_callback+0x10e0/0x10e0 [ 327.510470] ? down_read+0xb0/0x1d0 [ 327.514098] ? ext4_filemap_fault+0x7a/0xad [ 327.518422] ? __down_interruptible+0x700/0x700 [ 327.523109] ? get_futex_key+0x21b0/0x21b0 [ 327.527362] ext4_filemap_fault+0x82/0xad [ 327.531517] __do_fault+0x100/0x6b0 [ 327.535147] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.539661] ? print_bad_pte+0x6c0/0x6c0 [ 327.543736] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.548322] ? trace_hardirqs_on+0xbd/0x310 [ 327.552657] ? kasan_check_read+0x11/0x20 [ 327.556807] ? pmd_val+0x88/0x100 [ 327.560259] ? add_mm_counter_fast+0xd0/0xd0 [ 327.564665] ? pmd_val+0x88/0x100 [ 327.568117] ? add_mm_counter_fast+0xd0/0xd0 [ 327.572527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.578068] __handle_mm_fault+0x3709/0x53e0 [ 327.582492] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 327.587370] ? graph_lock+0x170/0x170 [ 327.591173] ? print_usage_bug+0xc0/0xc0 [ 327.595235] ? rcu_bh_qs+0xc0/0xc0 [ 327.598778] ? graph_lock+0x170/0x170 [ 327.602590] ? graph_lock+0x170/0x170 [ 327.606408] ? handle_mm_fault+0x42a/0xc70 [ 327.610663] ? lock_downgrade+0x900/0x900 [ 327.614812] ? check_preemption_disabled+0x48/0x200 [ 327.619835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 327.625631] ? kasan_check_read+0x11/0x20 [ 327.629778] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.635054] ? rcu_bh_qs+0xc0/0xc0 [ 327.638607] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.644070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.649611] ? check_preemption_disabled+0x48/0x200 [ 327.654667] handle_mm_fault+0x54f/0xc70 [ 327.658731] ? __handle_mm_fault+0x53e0/0x53e0 [ 327.663314] ? find_vma+0x34/0x190 [ 327.666865] __do_page_fault+0x67d/0xed0 [ 327.670949] ? mm_fault_error+0x380/0x380 [ 327.675104] ? trace_hardirqs_off+0xb8/0x310 [ 327.679513] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 327.684877] ? trace_hardirqs_on+0x310/0x310 [ 327.689293] do_page_fault+0xf2/0x7e0 [ 327.693125] ? vmalloc_sync_all+0x30/0x30 [ 327.697283] ? error_entry+0x70/0xd0 [ 327.700997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.706016] ? trace_hardirqs_on_caller+0xc0/0x310 [ 327.710957] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.715887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.720733] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.725750] ? trace_hardirqs_off+0x310/0x310 [ 327.730264] ? prepare_exit_to_usermode+0x291/0x3b0 [ 327.735282] ? page_fault+0x8/0x30 [ 327.738825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.743667] ? page_fault+0x8/0x30 [ 327.747208] page_fault+0x1e/0x30 [ 327.750660] RIP: 0033:0x45df89 [ 327.753858] Code: Bad RIP value. [ 327.757220] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 327.762581] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 327.769844] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 327.777120] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 327.784389] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 327.791657] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 327.798966] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 327.799031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.806153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.806158] Call Trace: [ 327.806165] [ 327.806183] dump_stack+0x1c4/0x2b4 [ 327.806202] ? dump_stack_print_info.cold.2+0x52/0x52 [ 327.812756] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.822029] warn_alloc.cold.119+0xb7/0x1bd [ 327.824579] syz-fuzzer cpuset= [ 327.826721] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.830336] / [ 327.835541] ? lock_downgrade+0x900/0x900 [ 327.845739] mems_allowed=0 [ 327.850087] ? trace_hardirqs_off+0xb8/0x310 [ 327.871256] ? trace_hardirqs_off+0xb8/0x310 [ 327.875689] __alloc_pages_slowpath+0x2667/0x2d80 [ 327.880564] ? warn_alloc+0x120/0x120 [ 327.884364] ? trace_hardirqs_on+0x310/0x310 [ 327.888780] ? warn_alloc+0x120/0x120 [ 327.892596] ? print_usage_bug+0xc0/0xc0 [ 327.896684] ? warn_alloc+0x120/0x120 [ 327.900483] ? ktime_get+0x2e1/0x440 [ 327.904212] ? print_usage_bug+0xc0/0xc0 [ 327.908278] ? __lock_acquire+0x7ec/0x4ec0 [ 327.912513] ? __lock_acquire+0x7ec/0x4ec0 [ 327.916776] ? kasan_check_read+0x11/0x20 [ 327.920923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.926476] ? should_fail+0x22d/0xd01 [ 327.930381] ? rcu_bh_qs+0xc0/0xc0 [ 327.933926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.939045] ? __lock_acquire+0x7ec/0x4ec0 [ 327.943284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.948389] ? __lock_acquire+0x7ec/0x4ec0 [ 327.952632] ? should_fail+0x22d/0xd01 [ 327.956546] ? rcu_idle_enter+0x4b0/0x4b0 [ 327.960702] ? mark_held_locks+0x130/0x130 [ 327.964966] ? mark_held_locks+0x130/0x130 [ 327.969206] ? mark_held_locks+0xc7/0x130 [ 327.973358] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 327.978372] ? graph_lock+0x170/0x170 [ 327.982185] ? print_usage_bug+0xc0/0xc0 [ 327.986248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.991785] ? check_preemption_disabled+0x48/0x200 [ 327.996804] ? check_preemption_disabled+0x48/0x200 [ 328.001829] ? __lock_is_held+0xb5/0x140 [ 328.005893] __alloc_pages_nodemask+0xa80/0xde0 [ 328.010562] ? graph_lock+0x170/0x170 [ 328.014380] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 328.019397] ? graph_lock+0x170/0x170 [ 328.023228] ? find_held_lock+0x36/0x1c0 [ 328.027298] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.031980] ? lock_downgrade+0x900/0x900 [ 328.036139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.041684] cache_grow_begin+0x91/0x8c0 [ 328.045744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 328.050159] fallback_alloc+0x203/0x2e0 [ 328.054144] ____cache_alloc_node+0x1c7/0x1e0 [ 328.058648] kmem_cache_alloc_node+0xe3/0x730 [ 328.063148] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.067396] __alloc_skb+0x119/0x770 [ 328.071115] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.076398] ? skb_scrub_packet+0x490/0x490 [ 328.080737] ? lock_downgrade+0x900/0x900 [ 328.084892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.090427] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.095884] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.101339] ? addrconf_rs_timer+0x690/0x690 [ 328.105768] ndisc_alloc_skb+0x144/0x340 [ 328.109837] ndisc_send_rs+0x331/0x6e0 [ 328.113756] addrconf_rs_timer+0x314/0x690 [ 328.118028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.122278] call_timer_fn+0x272/0x920 [ 328.126169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.130421] ? process_timeout+0x40/0x40 [ 328.134499] ? find_held_lock+0x36/0x1c0 [ 328.138572] ? __run_timers+0x7da/0xc70 [ 328.142566] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.147058] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.151555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.155789] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 328.160372] ? trace_hardirqs_on+0xbd/0x310 [ 328.164694] ? kasan_check_read+0x11/0x20 [ 328.168841] ? __run_timers+0x7da/0xc70 [ 328.172815] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.178274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.182518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.186757] __run_timers+0x7e5/0xc70 [ 328.190573] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 328.195950] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.200975] ? graph_lock+0x170/0x170 [ 328.204782] ? enqueue_hrtimer+0x1a5/0x560 [ 328.209017] ? lock_release+0x970/0x970 [ 328.212991] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.218189] ? find_held_lock+0x36/0x1c0 [ 328.222253] ? graph_lock+0x170/0x170 [ 328.226056] ? pvclock_read_flags+0x160/0x160 [ 328.230555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.236097] ? check_preemption_disabled+0x48/0x200 [ 328.241128] ? __lock_is_held+0xb5/0x140 [ 328.245204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.250743] ? check_preemption_disabled+0x48/0x200 [ 328.255766] run_timer_softirq+0x52/0xb0 [ 328.259831] ? rcu_read_lock_sched_held+0x108/0x120 [ 328.264851] __do_softirq+0x30b/0xad8 [ 328.268663] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 328.273774] ? pvclock_read_flags+0x160/0x160 [ 328.278272] ? lapic_next_event+0x5a/0x90 [ 328.282420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.287968] ? check_preemption_disabled+0x48/0x200 [ 328.292985] ? check_preemption_disabled+0x48/0x200 [ 328.298009] ? kvm_clock_read+0x18/0x30 [ 328.301982] ? kvm_sched_clock_read+0x9/0x20 [ 328.306393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.311940] ? check_preemption_disabled+0x48/0x200 [ 328.316979] irq_exit+0x17f/0x1c0 [ 328.320434] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.325281] ? smp_reschedule_interrupt+0x109/0x650 [ 328.330297] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.336186] ? interrupt_entry+0xb5/0xf0 [ 328.340252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.345266] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.350288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.355148] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.360165] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.365181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.370723] ? check_preemption_disabled+0x48/0x200 [ 328.375738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.381281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.386133] apic_timer_interrupt+0xf/0x20 [ 328.390366] [ 328.392603] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 328.397534] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 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 6a a1 [ 328.416433] RSP: 0018:ffff8801d20e7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 328.424151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 328.431421] RDX: 0000000000000000 RSI: ffff8801a07fa8c0 RDI: 0000000000000286 [ 328.438695] RBP: ffff8801d20e77b0 R08: ffff8801a07fa040 R09: 0000000000000000 [ 328.445967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 328.453255] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 328.460578] skb_clone+0x1bb/0x500 [ 328.464144] ? finish_task_switch+0x1b5/0x900 [ 328.468655] ? skb_split+0x11e0/0x11e0 [ 328.472571] ? preempt_notifier_register+0x200/0x200 [ 328.477684] ? __switch_to_asm+0x34/0x70 [ 328.481756] ? __switch_to_asm+0x34/0x70 [ 328.485820] ? __switch_to_asm+0x40/0x70 [ 328.489894] ? __switch_to_asm+0x34/0x70 [ 328.493956] ? __switch_to_asm+0x40/0x70 [ 328.498019] ? __switch_to_asm+0x34/0x70 [ 328.502081] ? __switch_to_asm+0x40/0x70 [ 328.506138] ? __switch_to_asm+0x34/0x70 [ 328.510198] ? __switch_to_asm+0x34/0x70 [ 328.514260] ? __switch_to_asm+0x40/0x70 [ 328.518321] ? __switch_to_asm+0x34/0x70 [ 328.522390] bpf_clone_redirect+0xb9/0x490 [ 328.526626] ? __schedule+0x874/0x1ed0 [ 328.530521] bpf_prog_bebbfe2050753572+0x23e/0x1000 [ 328.535543] ? __sched_text_start+0x8/0x8 [ 328.539710] ? find_held_lock+0x36/0x1c0 [ 328.543783] ? lock_acquire+0x1ed/0x520 [ 328.547756] ? bpf_test_run+0x32e/0x5a0 [ 328.551746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.557290] ? check_preemption_disabled+0x48/0x200 [ 328.562328] ? kasan_check_read+0x11/0x20 [ 328.566482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.571758] ? rcu_bh_qs+0xc0/0xc0 [ 328.575306] ? preempt_schedule+0x4d/0x60 [ 328.579460] ? ___preempt_schedule+0x16/0x18 [ 328.583877] ? bpf_test_run+0x1c0/0x5a0 [ 328.587863] ? netlink_diag_dump+0x2a0/0x2a0 [ 328.592274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.597810] ? bpf_test_init.isra.9+0x70/0x100 [ 328.602399] ? bpf_prog_test_run_skb+0x634/0xb40 [ 328.607161] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.612004] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 328.617547] ? fput+0x130/0x1a0 [ 328.620833] ? __bpf_prog_get+0x9b/0x290 [ 328.624898] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.629746] ? bpf_prog_test_run+0x130/0x1a0 [ 328.634158] ? __x64_sys_bpf+0x3d8/0x510 [ 328.638222] ? bpf_prog_get+0x20/0x20 [ 328.642045] ? do_syscall_64+0x1b9/0x820 [ 328.646107] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 328.651492] ? syscall_return_slowpath+0x5e0/0x5e0 [ 328.656423] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.661452] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 328.666470] ? recalc_sigpending_tsk+0x180/0x180 [ 328.671244] ? kasan_check_write+0x14/0x20 [ 328.675488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.680339] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.685739] CPU: 0 PID: 5346 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 328.685745] warn_alloc_show_mem: 1 callbacks suppressed [ 328.685752] Mem-Info: [ 328.692674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.698043] active_anon:45300 inactive_anon:4207 isolated_anon:0 [ 328.698043] active_file:13 inactive_file:13 isolated_file:1 [ 328.698043] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.698043] slab_reclaimable:8917 slab_unreclaimable:1479089 [ 328.698043] mapped:32770 shmem:4214 pagetables:530 bounce:0 [ 328.698043] free:13741 free_pcp:221 free_cma:0 [ 328.700413] Call Trace: [ 328.709803] Node 0 active_anon:181200kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:131080kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.742820] [ 328.745389] Node 0 [ 328.773244] dump_stack+0x1c4/0x2b4 [ 328.775387] 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 [ 328.777594] ? dump_stack_print_info.cold.2+0x52/0x52 [ 328.781191] lowmem_reserve[]: 0 [ 328.806711] warn_alloc.cold.119+0xb7/0x1bd [ 328.811868] 2819 [ 328.815141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.819433] 6323 [ 328.821490] ? lock_downgrade+0x900/0x900 [ 328.826303] 6323 [ 328.828367] ? trace_hardirqs_off+0xb8/0x310 [ 328.834539] ? trace_hardirqs_off+0xb8/0x310 [ 328.838917] Node 0 DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:32768kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 328.843357] __alloc_pages_slowpath+0x2667/0x2d80 [ 328.843399] ? warn_alloc+0x120/0x120 [ 328.871022] lowmem_reserve[]: [ 328.875859] ? trace_hardirqs_on+0x310/0x310 [ 328.879633] 0 [ 328.882735] ? warn_alloc+0x120/0x120 [ 328.887117] 0 [ 328.888914] ? print_usage_bug+0xc0/0xc0 [ 328.892690] 3503 [ 328.894484] ? warn_alloc+0x120/0x120 [ 328.898518] 3503 [ 328.900578] ? ktime_get+0x2e1/0x440 [ 328.904352] Node 0 [ 328.906413] ? print_usage_bug+0xc0/0xc0 [ 328.910125] Normal free:13900kB min:37352kB low:46688kB high:56024kB active_anon:148432kB inactive_anon:16828kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2120kB bounce:0kB free_pcp:636kB local_pcp:160kB free_cma:0kB [ 328.912334] ? __lock_acquire+0x7ec/0x4ec0 [ 328.916366] lowmem_reserve[]: 0 [ 328.944820] ? __lock_acquire+0x7ec/0x4ec0 [ 328.949033] 0 0 [ 328.952311] ? kasan_check_read+0x11/0x20 [ 328.956515] 0 [ 328.958496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.962616] Node 0 [ 328.964411] ? should_fail+0x22d/0xd01 [ 328.969924] DMA: [ 328.972167] ? rcu_bh_qs+0xc0/0xc0 [ 328.976029] 1*4kB [ 328.978087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.981605] (U) [ 328.983747] ? __lock_acquire+0x7ec/0x4ec0 [ 328.988826] 0*8kB [ 328.990794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.995002] 0*16kB [ 328.997145] ? __lock_acquire+0x7ec/0x4ec0 [ 329.002235] 1*32kB [ 329.004467] ? should_fail+0x22d/0xd01 [ 329.008676] (U) [ 329.010905] ? rcu_idle_enter+0x4b0/0x4b0 [ 329.014771] 2*64kB [ 329.016753] ? mark_held_locks+0x130/0x130 [ 329.020867] (U) [ 329.023098] ? mark_held_locks+0x130/0x130 [ 329.027305] 1*128kB (U) [ 329.029299] ? mark_held_locks+0xc7/0x130 [ 329.033510] 1*256kB [ 329.036262] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 329.040382] (U) [ 329.042697] ? graph_lock+0x170/0x170 [ 329.047691] 0*512kB [ 329.049657] ? print_usage_bug+0xc0/0xc0 [ 329.053431] 1*1024kB [ 329.055752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.059787] (U) [ 329.062192] ? check_preemption_disabled+0x48/0x200 [ 329.067702] 1*2048kB [ 329.069674] ? check_preemption_disabled+0x48/0x200 [ 329.074660] (M) [ 329.077072] ? __lock_is_held+0xb5/0x140 [ 329.082060] 3*4096kB [ 329.084034] __alloc_pages_nodemask+0xa80/0xde0 [ 329.088067] (M) [ 329.090498] ? graph_lock+0x170/0x170 [ 329.095145] = 15908kB [ 329.097117] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 329.100928] Node 0 [ 329.103340] ? graph_lock+0x170/0x170 [ 329.108331] DMA32: [ 329.110569] ? find_held_lock+0x36/0x1c0 [ 329.114339] 5*4kB [ 329.116573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.120604] (UM) [ 329.122752] ? lock_downgrade+0x900/0x900 [ 329.127387] 0*8kB 3*16kB [ 329.129486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.133603] (UM) [ 329.136369] cache_grow_begin+0x91/0x8c0 [ 329.141886] 2*32kB (M) [ 329.143961] ? do_raw_spin_unlock+0xa7/0x2f0 [ 329.147991] 5*64kB (UM) [ 329.150596] fallback_alloc+0x203/0x2e0 [ 329.154978] 3*128kB [ 329.157645] ____cache_alloc_node+0x1c7/0x1e0 [ 329.161587] (M) [ 329.163906] kmem_cache_alloc_node+0xe3/0x730 [ 329.168375] 3*256kB [ 329.170348] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.174813] (M) [ 329.177141] __alloc_skb+0x119/0x770 [ 329.181343] 4*512kB [ 329.183312] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.186998] (UM) [ 329.189313] ? skb_scrub_packet+0x490/0x490 [ 329.194559] 3*1024kB (UM) [ 329.196623] ? lock_downgrade+0x900/0x900 [ 329.200912] 1*2048kB (M) [ 329.203775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.207888] 4*4096kB (M) [ 329.210653] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.216162] = 25156kB [ 329.218912] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.224337] Node 0 [ 329.226744] ? addrconf_rs_timer+0x690/0x690 [ 329.232160] Normal: 1005*4kB [ 329.234406] ndisc_alloc_skb+0x144/0x340 [ 329.238781] (MEH) [ 329.241884] ndisc_send_rs+0x331/0x6e0 [ 329.245920] 451*8kB [ 329.248075] addrconf_rs_timer+0x314/0x690 [ 329.251951] (ME) [ 329.254275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.258483] 184*16kB [ 329.260547] call_timer_fn+0x272/0x920 [ 329.264748] (UME) [ 329.267150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.271004] 94*32kB (UME) [ 329.273159] ? process_timeout+0x40/0x40 [ 329.277365] 5*64kB (UM) [ 329.280214] ? find_held_lock+0x36/0x1c0 [ 329.284250] 0*128kB [ 329.286917] ? mark_held_locks+0xc7/0x130 [ 329.290948] 0*256kB 0*512kB [ 329.293279] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.297416] 0*1024kB [ 329.300430] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.304918] 0*2048kB [ 329.307785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.307801] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.312277] 0*4096kB [ 329.314682] ? trace_hardirqs_on+0xbd/0x310 [ 329.318903] = 13900kB [ 329.323472] ? kasan_check_read+0x11/0x20 [ 329.325867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 329.330173] ? __run_timers+0x7da/0xc70 [ 329.332566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 329.336703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.345515] 4241 total pagecache pages [ 329.349481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.358035] 0 pages in swap cache [ 329.363473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.367332] Swap cache stats: add 0, delete 0, find 0/0 [ 329.367341] Free swap = 0kB [ 329.371566] __run_timers+0x7e5/0xc70 [ 329.374998] Total swap = 0kB [ 329.379233] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.384575] 1965979 pages RAM [ 329.387601] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 329.391373] 0 pages HighMem/MovableOnly [ 329.391382] 342307 pages reserved [ 329.394393] ? graph_lock+0x170/0x170 [ 329.399727] 0 pages cma reserved [ 329.399801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.402838] ? print_usage_bug+0xc0/0xc0 [ 329.402851] ? lock_release+0x970/0x970 [ 329.402869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 329.407917] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.411830] ? find_held_lock+0x36/0x1c0 [ 329.415255] syz-executor5 cpuset= [ 329.419051] ? graph_lock+0x170/0x170 [ 329.422390] syz5 [ 329.428874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.432909] mems_allowed=0 [ 329.436874] ? check_preemption_disabled+0x48/0x200 [ 329.479665] ? __lock_is_held+0xb5/0x140 [ 329.483750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.489318] ? check_preemption_disabled+0x48/0x200 [ 329.494341] run_timer_softirq+0x52/0xb0 [ 329.498400] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.503420] __do_softirq+0x30b/0xad8 [ 329.507239] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.512352] ? pvclock_read_flags+0x160/0x160 [ 329.516849] ? lapic_next_event+0x5a/0x90 [ 329.520999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.526540] ? check_preemption_disabled+0x48/0x200 [ 329.531553] ? check_preemption_disabled+0x48/0x200 [ 329.536575] ? kvm_clock_read+0x18/0x30 [ 329.540556] ? kvm_sched_clock_read+0x9/0x20 [ 329.544975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.550514] ? check_preemption_disabled+0x48/0x200 [ 329.555544] irq_exit+0x17f/0x1c0 [ 329.559005] smp_apic_timer_interrupt+0x1cb/0x760 [ 329.563846] ? smp_reschedule_interrupt+0x109/0x650 [ 329.568869] ? smp_call_function_single_interrupt+0x650/0x650 [ 329.574752] ? interrupt_entry+0xb5/0xf0 [ 329.578833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.583847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.588869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.593715] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.598727] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.603744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.609282] ? check_preemption_disabled+0x48/0x200 [ 329.614294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.619839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.624693] apic_timer_interrupt+0xf/0x20 [ 329.628925] [ 329.631177] RIP: 0010:__rcu_read_unlock+0x1d2/0x2f0 [ 329.636193] Code: 00 41 c7 84 24 70 03 00 00 00 00 00 80 49 8d bc 24 74 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 00 00 00 4d [ 329.655090] RSP: 0018:ffff8801ca34df98 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 329.662802] RAX: dffffc0000000000 RBX: 1ffff10039469bf4 RCX: ffffffff81b020ad [ 329.670073] RDX: 0000000000000000 RSI: ffffffff81b01fa0 RDI: ffff8801d7a429b4 [ 329.677341] RBP: ffff8801ca34e068 R08: ffff8801d7a42640 R09: ffffed003b5c4732 [ 329.684608] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d7a42640 [ 329.691875] R13: 0000000000000000 R14: ffff8801d7a429b0 R15: ffff8801ca34e040 [ 329.699169] ? list_lru_count_one+0x36d/0x450 [ 329.703676] ? list_lru_count_one+0x260/0x450 [ 329.708185] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 329.713987] ? kasan_check_read+0x11/0x20 [ 329.718139] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.723416] ? rcu_bh_qs+0xc0/0xc0 [ 329.726990] list_lru_count_one+0x265/0x450 [ 329.731317] ? list_lru_add+0x980/0x980 [ 329.735293] ? deferred_split_count+0x65/0x170 [ 329.739876] ? shrink_huge_zero_page_count+0xc8/0x100 [ 329.745073] super_cache_count+0x153/0x2e0 [ 329.749312] do_shrink_slab+0x1a7/0xd20 [ 329.753297] ? lock_release+0x970/0x970 [ 329.757275] ? snapshot_refaults+0x290/0x290 [ 329.761696] ? ___might_sleep+0x1ed/0x300 [ 329.765850] ? down_read_trylock+0xff/0x1e0 [ 329.770171] ? shrink_slab+0x207/0x8c0 [ 329.774062] ? downgrade_write+0x2b0/0x2b0 [ 329.778303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.783855] ? shrink_node_memcg+0xc82/0x18e0 [ 329.788364] shrink_slab+0x389/0x8c0 [ 329.792080] ? shrink_active_list+0x1c20/0x1c20 [ 329.796758] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 329.802385] ? kasan_check_read+0x11/0x20 [ 329.806532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 329.810961] ? ___preempt_schedule+0x16/0x18 [ 329.815378] ? _raw_spin_unlock+0x3f/0x50 [ 329.819532] shrink_node+0x431/0x16b0 [ 329.823334] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 329.828643] ? shrink_node_memcg+0x18e0/0x18e0 [ 329.833223] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.837808] ? trace_hardirqs_on+0xbd/0x310 [ 329.842131] ? vmpressure+0x271/0x340 [ 329.845950] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 329.850544] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.856080] ? __cpuset_node_allowed+0x19b/0x660 [ 329.860838] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 329.866547] ? vmpressure+0x1a2/0x340 [ 329.870356] do_try_to_free_pages+0x3e7/0x1290 [ 329.874972] ? shrink_node+0x16b0/0x16b0 [ 329.879034] ? __lock_is_held+0xb5/0x140 [ 329.883109] try_to_free_pages+0x4d0/0xb90 [ 329.887354] ? do_try_to_free_pages+0x1290/0x1290 [ 329.892196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.897764] ? lock_acquire+0x1ed/0x520 [ 329.901752] ? set_page_refcounted+0x280/0x280 [ 329.906355] ? lock_release+0x970/0x970 [ 329.910347] ? ___might_sleep+0x1ed/0x300 [ 329.914499] ? arch_local_save_flags+0x40/0x40 [ 329.919098] __alloc_pages_slowpath+0x993/0x2d80 [ 329.923887] ? warn_alloc+0x120/0x120 [ 329.927692] ? __radix_tree_lookup+0x4c0/0x4c0 [ 329.932286] ? find_get_entry+0x2f2/0xc40 [ 329.936441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.941984] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 329.946912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.952461] ? should_fail+0x22d/0xd01 [ 329.956353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.961472] ? __lock_is_held+0xb5/0x140 [ 329.965565] ? __lock_is_held+0xb5/0x140 [ 329.969635] ? __lock_acquire+0x7ec/0x4ec0 [ 329.973872] ? ___might_sleep+0x1ed/0x300 [ 329.978021] ? lock_release+0x970/0x970 [ 329.982000] ? arch_local_save_flags+0x40/0x40 [ 329.986611] ? __might_sleep+0x95/0x190 [ 329.990593] __alloc_pages_nodemask+0xa80/0xde0 [ 329.995274] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 330.000293] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 330.006088] ? kasan_check_read+0x11/0x20 [ 330.010250] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.015528] ? graph_lock+0x170/0x170 [ 330.019333] ? print_usage_bug+0xc0/0xc0 [ 330.023395] ? graph_lock+0x170/0x170 [ 330.027192] ? graph_lock+0x170/0x170 [ 330.030995] ? __do_page_cache_readahead+0x7ce/0x980 [ 330.036103] ? find_held_lock+0x36/0x1c0 [ 330.040167] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 330.045708] alloc_pages_current+0x10c/0x210 [ 330.050117] ? lock_downgrade+0x900/0x900 [ 330.054271] __page_cache_alloc+0x38f/0x5b0 [ 330.058597] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 330.064389] ? kasan_check_read+0x11/0x20 [ 330.068539] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.073817] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 330.078486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.084025] ? check_preemption_disabled+0x48/0x200 [ 330.089073] filemap_fault+0x1594/0x25f0 [ 330.093151] ? __lock_page_or_retry+0xa00/0xa00 [ 330.097818] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 330.103611] ? kasan_check_read+0x11/0x20 [ 330.107764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.113041] ? ep_scan_ready_list+0xbeb/0x1050 [ 330.117627] ? rcu_bh_qs+0xc0/0xc0 [ 330.121172] ? lock_downgrade+0x900/0x900 [ 330.125321] ? graph_lock+0x170/0x170 [ 330.129129] ? filemap_map_pages+0xdea/0x1980 [ 330.133643] ? find_get_pages_range_tag+0x1320/0x1320 [ 330.138833] ? wait_for_completion+0x8a0/0x8a0 [ 330.143417] ? graph_lock+0x170/0x170 [ 330.147220] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.151805] ? kasan_check_read+0x11/0x20 [ 330.155966] ? ep_scan_ready_list+0xbc7/0x1050 [ 330.160550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.166010] ? lock_acquire+0x1ed/0x520 [ 330.169985] ? ext4_filemap_fault+0x7a/0xad [ 330.174312] ? lock_release+0x970/0x970 [ 330.178288] ? arch_local_save_flags+0x40/0x40 [ 330.182874] ? ep_poll_callback+0x10e0/0x10e0 [ 330.187381] ? down_read+0xb0/0x1d0 [ 330.191008] ? ext4_filemap_fault+0x7a/0xad [ 330.195334] ? __down_interruptible+0x700/0x700 [ 330.200010] ? get_futex_key+0x21b0/0x21b0 [ 330.204261] ext4_filemap_fault+0x82/0xad [ 330.208410] __do_fault+0x100/0x6b0 [ 330.212057] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.216554] ? print_bad_pte+0x6c0/0x6c0 [ 330.220616] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.225204] ? trace_hardirqs_on+0xbd/0x310 [ 330.229520] ? kasan_check_read+0x11/0x20 [ 330.233668] ? pmd_val+0x88/0x100 [ 330.237120] ? add_mm_counter_fast+0xd0/0xd0 [ 330.241530] ? pmd_val+0x88/0x100 [ 330.244989] ? add_mm_counter_fast+0xd0/0xd0 [ 330.249405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.254962] __handle_mm_fault+0x3709/0x53e0 [ 330.259380] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 330.264223] ? graph_lock+0x170/0x170 [ 330.268025] ? print_usage_bug+0xc0/0xc0 [ 330.272087] ? rcu_bh_qs+0xc0/0xc0 [ 330.275630] ? graph_lock+0x170/0x170 [ 330.279432] ? graph_lock+0x170/0x170 [ 330.283251] ? handle_mm_fault+0x42a/0xc70 [ 330.287485] ? lock_downgrade+0x900/0x900 [ 330.291634] ? check_preemption_disabled+0x48/0x200 [ 330.296665] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 330.302461] ? kasan_check_read+0x11/0x20 [ 330.306985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.312263] ? rcu_bh_qs+0xc0/0xc0 [ 330.315805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.321270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.326822] ? check_preemption_disabled+0x48/0x200 [ 330.331850] handle_mm_fault+0x54f/0xc70 [ 330.335919] ? __handle_mm_fault+0x53e0/0x53e0 [ 330.340518] ? find_vma+0x34/0x190 [ 330.344068] __do_page_fault+0x67d/0xed0 [ 330.348139] ? mm_fault_error+0x380/0x380 [ 330.352287] ? trace_hardirqs_off+0xb8/0x310 [ 330.356700] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.362067] ? trace_hardirqs_on+0x310/0x310 [ 330.366486] do_page_fault+0xf2/0x7e0 [ 330.370289] ? vmalloc_sync_all+0x30/0x30 [ 330.374440] ? error_entry+0x70/0xd0 [ 330.378154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.383168] ? trace_hardirqs_on_caller+0xc0/0x310 [ 330.388095] ? syscall_return_slowpath+0x5e0/0x5e0 [ 330.393197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.398047] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.403061] ? trace_hardirqs_off+0x310/0x310 [ 330.407562] ? prepare_exit_to_usermode+0x291/0x3b0 [ 330.412582] ? page_fault+0x8/0x30 [ 330.416127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.420981] ? page_fault+0x8/0x30 [ 330.424522] page_fault+0x1e/0x30 [ 330.427977] RIP: 0033:0x45df89 [ 330.431175] Code: Bad RIP value. [ 330.434535] RSP: 002b:000000c420031850 EFLAGS: 00010246 [ 330.439904] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89 [ 330.447180] RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004 [ 330.454449] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c424567068 [ 330.461717] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 330.468985] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 330.476288] CPU: 1 PID: 8639 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #66 [ 330.476363] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.483488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.483496] Call Trace: [ 330.483503] [ 330.483524] dump_stack+0x1c4/0x2b4 [ 330.483543] ? dump_stack_print_info.cold.2+0x52/0x52 [ 330.490086] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.499389] warn_alloc.cold.119+0xb7/0x1bd [ 330.501951] syz-fuzzer cpuset= [ 330.504099] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.507698] / [ 330.512880] ? lock_downgrade+0x900/0x900 [ 330.523081] mems_allowed=0 [ 330.527396] ? trace_hardirqs_off+0xb8/0x310 [ 330.548585] ? trace_hardirqs_off+0xb8/0x310 [ 330.553002] __alloc_pages_slowpath+0x2667/0x2d80 [ 330.557876] ? warn_alloc+0x120/0x120 [ 330.561677] ? lock_release+0x970/0x970 [ 330.565653] ? warn_alloc+0x120/0x120 [ 330.569464] ? print_usage_bug+0xc0/0xc0 [ 330.573529] ? warn_alloc+0x120/0x120 [ 330.577330] ? print_usage_bug+0xc0/0xc0 [ 330.581396] ? __lock_acquire+0x7ec/0x4ec0 [ 330.585643] ? __lock_acquire+0x7ec/0x4ec0 [ 330.589884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.595419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.600968] ? should_fail+0x22d/0xd01 [ 330.604861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.609971] ? __lock_acquire+0x7ec/0x4ec0 [ 330.614214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.619317] ? __lock_acquire+0x7ec/0x4ec0 [ 330.623548] ? should_fail+0x22d/0xd01 [ 330.627456] ? mark_held_locks+0x130/0x130 [ 330.631698] ? mark_held_locks+0x130/0x130 [ 330.635932] ? graph_lock+0x170/0x170 [ 330.639746] ? print_usage_bug+0xc0/0xc0 [ 330.643807] ? graph_lock+0x170/0x170 [ 330.647605] ? print_usage_bug+0xc0/0xc0 [ 330.651668] ? wq_watchdog_touch+0x9c/0xfe [ 330.655906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.661467] ? check_preemption_disabled+0x48/0x200 [ 330.666482] ? check_preemption_disabled+0x48/0x200 [ 330.671511] ? __lock_is_held+0xb5/0x140 [ 330.675581] __alloc_pages_nodemask+0xa80/0xde0 [ 330.680250] ? graph_lock+0x170/0x170 [ 330.684057] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 330.689072] ? graph_lock+0x170/0x170 [ 330.692883] ? find_held_lock+0x36/0x1c0 [ 330.696964] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.701639] ? lock_downgrade+0x900/0x900 [ 330.705794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.711335] cache_grow_begin+0x91/0x8c0 [ 330.715397] ? do_raw_spin_unlock+0xa7/0x2f0 [ 330.719816] fallback_alloc+0x203/0x2e0 [ 330.723797] ____cache_alloc_node+0x1c7/0x1e0 [ 330.728298] kmem_cache_alloc_node+0xe3/0x730 [ 330.732798] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.737044] __alloc_skb+0x119/0x770 [ 330.740757] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.746042] ? skb_scrub_packet+0x490/0x490 [ 330.750363] ? lock_downgrade+0x900/0x900 [ 330.754523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.760062] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.765517] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.770974] ? addrconf_rs_timer+0x690/0x690 [ 330.775396] ndisc_alloc_skb+0x144/0x340 [ 330.779469] ndisc_send_rs+0x331/0x6e0 [ 330.783373] addrconf_rs_timer+0x314/0x690 [ 330.787614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.791862] call_timer_fn+0x272/0x920 [ 330.795750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.799989] ? process_timeout+0x40/0x40 [ 330.804052] ? find_held_lock+0x36/0x1c0 [ 330.808126] ? __run_timers+0x7da/0xc70 [ 330.812101] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.816597] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.821091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.825329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.829913] ? trace_hardirqs_on+0xbd/0x310 [ 330.834239] ? kasan_check_read+0x11/0x20 [ 330.838387] ? __run_timers+0x7da/0xc70 [ 330.842363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.847823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.852066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.856308] __run_timers+0x7e5/0xc70 [ 330.860126] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.865497] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.870515] ? graph_lock+0x170/0x170 [ 330.874323] ? enqueue_hrtimer+0x1a5/0x560 [ 330.878555] ? lock_release+0x970/0x970 [ 330.882532] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.887727] ? find_held_lock+0x36/0x1c0 [ 330.891793] ? graph_lock+0x170/0x170 [ 330.895593] ? pvclock_read_flags+0x160/0x160 [ 330.900093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.905632] ? check_preemption_disabled+0x48/0x200 [ 330.910658] ? __lock_is_held+0xb5/0x140 [ 330.914722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.920262] ? check_preemption_disabled+0x48/0x200 [ 330.925288] run_timer_softirq+0x52/0xb0 [ 330.929355] ? rcu_read_lock_sched_held+0x108/0x120 [ 330.934375] __do_softirq+0x30b/0xad8 [ 330.938188] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 330.943296] ? pvclock_read_flags+0x160/0x160 [ 330.947790] ? lapic_next_event+0x5a/0x90 [ 330.951947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.957485] ? check_preemption_disabled+0x48/0x200 [ 330.962505] ? check_preemption_disabled+0x48/0x200 [ 330.967526] ? kvm_clock_read+0x18/0x30 [ 330.971498] ? kvm_sched_clock_read+0x9/0x20 [ 330.975906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.981459] ? check_preemption_disabled+0x48/0x200 [ 330.986490] irq_exit+0x17f/0x1c0 [ 330.989953] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.994795] ? smp_reschedule_interrupt+0x109/0x650 [ 330.999815] ? smp_call_function_single_interrupt+0x650/0x650 [ 331.005696] ? interrupt_entry+0xb5/0xf0 [ 331.009762] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.014779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.019798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.024640] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.029653] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.034674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.040213] ? check_preemption_disabled+0x48/0x200 [ 331.045228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.050777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.055632] apic_timer_interrupt+0xf/0x20 [ 331.059858] [ 331.062098] RIP: 0010:kmem_cache_alloc+0x297/0x730