x2d80 [ 209.314232] ? __mutex_add_waiter+0x2a0/0x2a0 [ 209.314242] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.314250] ? find_next_bit+0x104/0x130 [ 209.314263] __alloc_pages_slowpath+0x2318/0x2d80 [ 209.314285] ? warn_alloc+0x120/0x120 [ 209.314294] ? __radix_tree_lookup+0x4c0/0x4c0 [ 209.314309] ? find_get_entry+0x2f2/0xc40 [ 209.314318] ? mark_held_locks+0x130/0x130 [ 209.314332] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 209.314342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.314351] ? should_fail+0x22d/0xd01 [ 209.314361] ? ___might_sleep+0x1ed/0x300 [ 209.314369] ? lock_release+0x970/0x970 [ 209.314380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.314390] ? lock_downgrade+0x900/0x900 [ 209.314403] ? __might_sleep+0x95/0x190 [ 209.314415] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 209.314426] ? update_cfs_rq_load_avg.part.64+0x18c/0x2e0 [ 209.314437] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.314451] ? lock_downgrade+0x900/0x900 [ 209.314462] ? ___might_sleep+0x1ed/0x300 [ 209.314471] ? lock_release+0x970/0x970 [ 209.314481] ? arch_local_save_flags+0x40/0x40 [ 209.314491] ? attach_entity_load_avg+0x860/0x860 [ 209.314502] ? mark_held_locks+0x130/0x130 [ 209.314514] ? __might_sleep+0x95/0x190 [ 209.314526] __alloc_pages_nodemask+0xa80/0xde0 [ 209.314539] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.314550] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 209.314562] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 209.314581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.314592] ? __do_page_cache_readahead+0x7ce/0x980 [ 209.314626] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 209.314637] alloc_pages_current+0x10c/0x210 [ 209.314647] ? lock_downgrade+0x900/0x900 [ 209.314659] __page_cache_alloc+0x38f/0x5b0 [ 209.314670] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 209.314681] ? ext4_filemap_fault+0x82/0xad [ 209.314692] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 209.314702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.314714] ? check_preemption_disabled+0x48/0x200 [ 209.314728] filemap_fault+0x1594/0x25f0 [ 209.314744] ? __lock_page_or_retry+0xa00/0xa00 [ 209.314756] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 209.314770] ? lock_downgrade+0x900/0x900 [ 209.314783] ? filemap_map_pages+0xdea/0x1980 [ 209.314796] ? lock_is_held_type+0x210/0x210 [ 209.314811] ? find_get_pages_range_tag+0x1320/0x1320 [ 209.314821] ? pick_next_task_fair+0x658/0x16d0 [ 209.314834] ? __update_idle_core+0x2f7/0x600 [ 209.314844] ? lock_downgrade+0x900/0x900 [ 209.314858] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 209.314870] ? finish_task_switch+0x1f5/0x900 [ 209.314882] ? lock_acquire+0x1ed/0x520 [ 209.314892] ? ext4_filemap_fault+0x7a/0xad [ 209.314902] ? trace_hardirqs_on+0xbd/0x310 [ 209.314913] ? lock_release+0x970/0x970 [ 209.314924] ? arch_local_save_flags+0x40/0x40 [ 209.314933] ? compat_start_thread+0x80/0x80 [ 209.314944] ? mark_held_locks+0x130/0x130 [ 209.314960] ? down_read+0xb0/0x1d0 [ 209.314969] ? ext4_filemap_fault+0x7a/0xad [ 209.314981] ? __down_interruptible+0x700/0x700 [ 209.314992] ? mark_held_locks+0x130/0x130 [ 209.315002] ? __switch_to_asm+0x34/0x70 [ 209.315010] ? __switch_to_asm+0x40/0x70 [ 209.315019] ? __switch_to_asm+0x34/0x70 [ 209.315028] ? __switch_to_asm+0x40/0x70 [ 209.315037] ? __switch_to_asm+0x40/0x70 [ 209.315057] ext4_filemap_fault+0x82/0xad [ 209.315068] __do_fault+0x100/0x6b0 [ 209.315081] ? print_bad_pte+0x6c0/0x6c0 [ 209.315092] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 209.315101] ? hrtimer_active+0x2db/0x440 [ 209.315111] ? pmd_val+0x88/0x100 [ 209.315121] ? add_mm_counter_fast+0xd0/0xd0 [ 209.315130] ? pmd_val+0x88/0x100 [ 209.315141] ? add_mm_counter_fast+0xd0/0xd0 [ 209.315153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.315166] __handle_mm_fault+0x3709/0x53e0 [ 209.315181] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 209.315194] ? trace_hardirqs_on+0xbd/0x310 [ 209.315202] ? kasan_check_read+0x11/0x20 [ 209.315213] ? __free_object+0x173/0x340 [ 209.315224] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.315240] ? lock_acquire+0x1ed/0x520 [ 209.315253] ? handle_mm_fault+0x42a/0xc70 [ 209.315263] ? lock_downgrade+0x900/0x900 [ 209.315277] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 209.315289] ? __do_page_fault+0x67d/0xed0 [ 209.315300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.315311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.315322] ? check_preemption_disabled+0x48/0x200 [ 209.315336] handle_mm_fault+0x54f/0xc70 [ 209.315349] ? __handle_mm_fault+0x53e0/0x53e0 [ 209.315360] ? find_vma+0x34/0x190 [ 209.315372] __do_page_fault+0x67d/0xed0 [ 209.315386] ? mm_fault_error+0x380/0x380 [ 209.315395] ? trace_hardirqs_off+0xb8/0x310 [ 209.315406] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 209.315417] ? trace_hardirqs_on+0x310/0x310 [ 209.315429] do_page_fault+0xf2/0x7e0 [ 209.315440] ? vmalloc_sync_all+0x30/0x30 [ 209.315451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.315460] ? error_entry+0x70/0xd0 [ 209.315471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.315480] ? trace_hardirqs_on_caller+0xc0/0x310 [ 209.315491] ? syscall_return_slowpath+0x5e0/0x5e0 [ 209.315501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.315512] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.315522] ? trace_hardirqs_off+0x310/0x310 [ 209.315533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 209.315545] ? prepare_exit_to_usermode+0x291/0x3b0 [ 209.315555] ? page_fault+0x8/0x30 [ 209.315572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.315583] ? page_fault+0x8/0x30 [ 209.315594] page_fault+0x1e/0x30 [ 209.315601] RIP: 0033:0x7f484b2e7e40 [ 209.315607] Code: Bad RIP value. [ 209.315612] RSP: 002b:00007ffd87274798 EFLAGS: 00010246 [ 209.315621] RAX: 0000000000000000 RBX: 00007ffd872748c0 RCX: 00007f484b2e7e40 [ 209.315627] RDX: 0000000000000000 RSI: 00007ffd87274940 RDI: 00007ffd87274940 [ 209.315634] RBP: 00007ffd87274840 R08: 00007ffd872747a0 R09: 0000000000000000 [ 209.315640] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 209.315646] R13: 00007ffd87274aa0 R14: 0000000000000000 R15: 0000000000000000 [ 209.315665] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 209.315672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.315676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 209.315678] Call Trace: [ 209.315682] [ 209.315693] dump_stack+0x1c4/0x2b4 [ 209.315697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 209.315708] ? dump_stack_print_info.cold.2+0x52/0x52 [ 209.315726] warn_alloc.cold.119+0xb7/0x1bd [ 209.315738] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 209.315750] ? lock_downgrade+0x900/0x900 [ 209.315764] ? trace_hardirqs_off+0xb8/0x310 [ 209.315778] ? trace_hardirqs_off+0xb8/0x310 [ 209.315791] __alloc_pages_slowpath+0x2667/0x2d80 [ 209.315812] ? warn_alloc+0x120/0x120 [ 209.315830] ? warn_alloc+0x120/0x120 [ 209.342033] / [ 209.342711] ? warn_alloc+0x120/0x120 [ 209.347438] mems_allowed=0 [ 209.351303] ? lock_release+0x970/0x970 [ 209.351316] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 209.351330] ? trace_hardirqs_on+0x310/0x310 [ 209.351344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.351357] ? should_fail+0x22d/0xd01 [ 209.351377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.511901] warn_alloc: 4 callbacks suppressed [ 213.511916] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.515209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.520632] init cpuset= [ 213.526172] ? should_fail+0x22d/0xd01 [ 213.530374] / [ 213.534158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.539486] mems_allowed=0 [ 213.544484] ? should_fail+0x22d/0xd01 [ 220.369549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.374647] ? mark_held_locks+0x130/0x130 [ 220.378870] ? mark_held_locks+0x130/0x130 [ 220.383093] ? kvm_clock_read+0x18/0x30 [ 220.387062] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 220.392068] ? ktime_get+0x2e1/0x440 [ 220.395773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.401301] ? check_preemption_disabled+0x48/0x200 [ 220.406307] ? kasan_check_read+0x11/0x20 [ 220.410447] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.415716] ? rcu_bh_qs+0xc0/0xc0 [ 220.419256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.424777] ? check_preemption_disabled+0x48/0x200 [ 220.429782] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 220.434783] ? widen_string+0xe0/0x2e0 [ 220.438661] __alloc_pages_nodemask+0xa80/0xde0 [ 220.443329] ? should_fail+0x22d/0xd01 [ 220.447209] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.452224] ? ____cache_alloc_node+0x1c7/0x1e0 [ 220.458614] ? lock_downgrade+0x900/0x900 [ 220.462758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.468288] cache_grow_begin+0x91/0x8c0 [ 220.473900] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.478337] fallback_alloc+0x203/0x2e0 [ 220.482304] ____cache_alloc_node+0x1c7/0x1e0 [ 220.486794] kmem_cache_alloc_node+0xe3/0x730 [ 220.491278] ? ipv6_get_ifaddr+0x42e/0x620 [ 220.495502] __alloc_skb+0x119/0x770 [ 220.499202] ? skb_scrub_packet+0x490/0x490 [ 220.503510] ? lock_downgrade+0x900/0x900 [ 220.507656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.513327] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.518812] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.524261] ? addrconf_rs_timer+0x690/0x690 [ 220.528664] ndisc_alloc_skb+0x144/0x340 [ 220.532716] ndisc_send_rs+0x331/0x6e0 [ 220.536594] addrconf_rs_timer+0x314/0x690 [ 220.540819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.545081] call_timer_fn+0x272/0x920 [ 220.548968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.553194] ? process_timeout+0x40/0x40 [ 220.557245] ? trace_hardirqs_off+0xb8/0x310 [ 220.561642] ? kasan_check_read+0x11/0x20 [ 220.565777] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.570176] ? trace_hardirqs_on+0x310/0x310 [ 220.574575] ? __run_timers+0x7da/0xc70 [ 220.578537] ? lock_downgrade+0x900/0x900 [ 220.582675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.587766] ? trace_hardirqs_on+0xbd/0x310 [ 220.592077] ? kasan_check_read+0x11/0x20 [ 220.596223] ? __run_timers+0x7da/0xc70 [ 220.600186] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.605627] ? kasan_check_write+0x14/0x20 [ 220.609863] ? do_raw_spin_lock+0xc1/0x200 [ 220.614105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.618332] __run_timers+0x7e5/0xc70 [ 220.622131] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.627483] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.632493] ? timerqueue_add+0x207/0x2b0 [ 220.636631] ? enqueue_hrtimer+0x1a5/0x560 [ 220.640853] ? lock_release+0x970/0x970 [ 220.644817] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.650091] ? kasan_check_write+0x14/0x20 [ 220.654322] ? pvclock_read_flags+0x160/0x160 [ 220.658895] ? lock_downgrade+0x900/0x900 [ 220.663039] ? trace_hardirqs_on+0xbd/0x310 [ 220.667351] ? kvm_sched_clock_read+0x9/0x20 [ 220.671749] ? irq_exit+0x17f/0x1c0 [ 220.675368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.680898] ? check_preemption_disabled+0x48/0x200 [ 220.685903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.691568] run_timer_softirq+0x52/0xb0 [ 220.695618] ? __this_cpu_preempt_check+0x1c/0x1f [ 220.700463] __do_softirq+0x30b/0xad8 [ 220.704261] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.709356] ? pvclock_read_flags+0x160/0x160 [ 220.713839] ? lapic_next_event+0x5a/0x90 [ 220.717975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.723501] ? clockevents_program_event+0x140/0x370 [ 220.728590] ? kvm_clock_read+0x18/0x30 [ 220.732551] ? kvm_sched_clock_read+0x9/0x20 [ 220.736949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.742480] ? check_preemption_disabled+0x48/0x200 [ 220.747501] irq_exit+0x17f/0x1c0 [ 220.750944] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.755773] ? smp_reschedule_interrupt+0x109/0x650 [ 220.760932] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.766807] ? interrupt_entry+0xb5/0xf0 [ 220.770858] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.775862] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.780866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.785699] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.790711] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.795713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.801241] ? check_preemption_disabled+0x48/0x200 [ 220.806248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.811087] apic_timer_interrupt+0xf/0x20 [ 220.815306] [ 220.817536] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.822455] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 220.841343] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.849039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 220.856302] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 220.863682] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 220.871043] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 220.878304] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 220.885574] ? trace_hardirqs_on+0xb4/0x310 [ 220.889888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.895425] skb_clone+0x1bb/0x500 [ 220.898960] ? finish_task_switch+0x2f5/0x900 [ 220.903450] ? skb_split+0x11e0/0x11e0 [ 220.907328] ? preempt_notifier_register+0x200/0x200 [ 220.912417] ? __switch_to_asm+0x34/0x70 [ 220.916465] ? __switch_to_asm+0x34/0x70 [ 220.920511] ? __switch_to_asm+0x40/0x70 [ 220.924560] ? __switch_to_asm+0x34/0x70 [ 220.928604] ? __switch_to_asm+0x40/0x70 [ 220.932653] ? __switch_to_asm+0x34/0x70 [ 220.936703] ? __switch_to_asm+0x40/0x70 [ 220.940754] ? __switch_to_asm+0x34/0x70 [ 220.944801] ? __switch_to_asm+0x34/0x70 [ 220.948848] ? __switch_to_asm+0x40/0x70 [ 220.952895] ? __switch_to_asm+0x34/0x70 [ 220.956948] bpf_clone_redirect+0xb9/0x490 [ 220.961171] ? __schedule+0x874/0x1ed0 [ 220.965050] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 220.969981] ? __sched_text_start+0x8/0x8 [ 220.974121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.978867] ? retint_kernel+0x2d/0x2d [ 220.982747] ? lock_acquire+0x1ed/0x520 [ 220.986712] ? bpf_test_run+0x32e/0x5a0 [ 220.990676] ? lock_release+0x970/0x970 [ 220.994639] ? preempt_schedule+0x4d/0x60 [ 220.998795] ? preempt_schedule_common+0x1f/0xd0 [ 221.003542] ? preempt_schedule+0x4d/0x60 [ 221.007679] ? ___preempt_schedule+0x16/0x18 [ 221.012087] ? bpf_test_run+0x1c0/0x5a0 [ 221.016062] ? netlink_diag_dump+0x2a0/0x2a0 [ 221.020467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.026007] ? bpf_test_init.isra.9+0x70/0x100 [ 221.030602] ? bpf_prog_test_run_skb+0x634/0xb40 [ 221.035353] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.040185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.045712] ? fput+0x130/0x1a0 [ 221.048981] ? __bpf_prog_get+0x9b/0x290 [ 221.053061] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.057893] ? bpf_prog_test_run+0x130/0x1a0 [ 221.062290] ? __x64_sys_bpf+0x3d8/0x510 [ 221.066341] ? bpf_prog_get+0x20/0x20 [ 221.070140] ? do_syscall_64+0x1b9/0x820 [ 221.074191] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 221.079546] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.084467] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.089471] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.094494] ? recalc_sigpending_tsk+0x180/0x180 [ 221.099241] ? kasan_check_write+0x14/0x20 [ 221.103468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.108304] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.113664] warn_alloc_show_mem: 8 callbacks suppressed [ 221.113673] CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc6+ #65 [ 221.113675] Mem-Info: [ 221.113704] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 221.113704] active_file:16 inactive_file:17 isolated_file:0 [ 221.113704] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.113704] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 221.113704] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 221.113704] free:13792 free_pcp:309 free_cma:0 [ 221.119036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.125201] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.127587] Call Trace: [ 221.160619] Node 0 [ 221.169959] [ 221.197821] 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 [ 221.200659] dump_stack+0x1c4/0x2b4 [ 221.202859] lowmem_reserve[]: [ 221.204997] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.230470] 0 [ 221.234107] warn_alloc.cold.119+0xb7/0x1bd [ 221.237168] 2819 [ 221.242342] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.244111] 6323 [ 221.248419] ? lock_downgrade+0x900/0x900 [ 221.250464] 6323 [ 221.255376] ? trace_hardirqs_off+0xb8/0x310 [ 221.261553] ? trace_hardirqs_off+0xb8/0x310 [ 221.263589] Node 0 [ 221.267983] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.272373] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 221.272375] lowmem_reserve[]: 0 0 3503 3503 [ 221.272387] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 221.272407] lowmem_reserve[]: 0 0 0 0 [ 221.272419] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 221.272467] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 221.272520] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 221.272581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 221.274812] ? warn_alloc+0x120/0x120 [ 221.279616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 221.306585] ? warn_alloc+0x120/0x120 [ 221.310872] 4986 total pagecache pages [ 221.340860] ? lock_downgrade+0x900/0x900 [ 221.344636] 0 pages in swap cache [ 221.344641] Swap cache stats: add 0, delete 0, find 0/0 [ 221.344644] Free swap = 0kB [ 221.344646] Total swap = 0kB [ 221.344649] 1965979 pages RAM [ 221.344652] 0 pages HighMem/MovableOnly [ 221.344654] 342307 pages reserved [ 221.344656] 0 pages cma reserved [ 221.344730] net_ratelimit: 3 callbacks suppressed [ 221.344735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.344782] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.344785] syz-executor4 cpuset=syz4 mems_allowed=0 [ 221.486129] ? warn_alloc+0x120/0x120 [ 221.489928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.495966] ? number+0x972/0xca0 [ 221.499414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.504943] ? should_fail+0x22d/0xd01 [ 221.508822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.513914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.519882] ? should_fail+0x22d/0xd01 [ 221.523763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.528858] ? should_fail+0x22d/0xd01 [ 221.532741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.537837] ? mark_held_locks+0x130/0x130 [ 221.542061] ? mark_held_locks+0x130/0x130 [ 221.546287] ? free_unref_page_list+0x11e0/0x11e0 [ 221.551119] ? free_unref_page_list+0x11e0/0x11e0 [ 221.555954] ? scnprintf+0x130/0x130 [ 221.559658] ? get_page_from_freelist+0x5f8/0x5340 [ 221.565107] __alloc_pages_nodemask+0xa80/0xde0 [ 221.569764] ? should_fail+0x22d/0xd01 [ 221.573645] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.578656] ? __isolate_free_page+0x610/0x610 [ 221.583235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.587895] ? lock_downgrade+0x900/0x900 [ 221.592044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.597572] cache_grow_begin+0x91/0x8c0 [ 221.601625] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.606036] fallback_alloc+0x203/0x2e0 [ 221.610012] ____cache_alloc_node+0x1c7/0x1e0 [ 221.614499] kmem_cache_alloc+0x1f8/0x730 [ 221.618647] __build_skb+0xab/0x430 [ 221.622264] ? skb_try_coalesce+0x1b70/0x1b70 [ 221.626752] ? __alloc_pages_nodemask+0xde0/0xde0 [ 221.631587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.637114] ? check_preemption_disabled+0x48/0x200 [ 221.642121] __napi_alloc_skb+0x1d6/0x310 [ 221.646265] page_to_skb.isra.42+0xee/0x8d0 [ 221.650669] ? virtnet_remove+0xf0/0xf0 [ 221.654634] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.660421] ? mark_held_locks+0x130/0x130 [ 221.664650] ? update_load_avg+0x387/0x2470 [ 221.668964] receive_mergeable+0x155d/0x3af0 [ 221.673366] ? virtnet_probe+0x2240/0x2240 [ 221.677592] ? __isolate_free_page+0x610/0x610 [ 221.682164] ? rb_erase+0x3710/0x3710 [ 221.685961] ? mark_held_locks+0x130/0x130 [ 221.690711] ? update_load_avg+0x387/0x2470 [ 221.695026] ? cpuacct_charge+0x265/0x440 [ 221.699165] ? lock_downgrade+0x900/0x900 [ 221.703300] ? mark_held_locks+0x130/0x130 [ 221.707531] ? update_curr+0x4cf/0xbe0 [ 221.711410] ? lock_downgrade+0x900/0x900 [ 221.715551] ? check_preemption_disabled+0x48/0x200 [ 221.720558] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.726779] ? cpuacct_charge+0x282/0x440 [ 221.730920] ? cpuacct_css_alloc+0x160/0x160 [ 221.735782] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 221.741486] ? update_curr+0x4ec/0xbe0 [ 221.745368] ? __account_cfs_rq_runtime+0x790/0x790 [ 221.750375] ? isolate_lru_page+0x22e0/0x22e0 [ 221.755377] ? __update_load_avg_se+0x664/0xb90 [ 221.761444] ? mark_held_locks+0x130/0x130 [ 221.767509] ? account_entity_enqueue+0x3a3/0x660 [ 221.772348] ? __update_load_avg_blocked_se+0x730/0x730 [ 221.777703] ? __update_load_avg_se+0xb90/0xb90 [ 221.782363] ? mark_held_locks+0x130/0x130 [ 221.786594] ? update_load_avg+0x387/0x2470 [ 221.790902] ? put_prev_task_fair+0x80/0x80 [ 221.795213] ? __alloc_pages_slowpath+0x2667/0x2d80 [ 221.800221] ? attach_entity_load_avg+0x860/0x860 [ 221.805064] ? rb_erase+0x3710/0x3710 [ 221.808855] ? mark_held_locks+0x130/0x130 [ 221.813083] ? warn_alloc+0x120/0x120 [ 221.817357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.824197] ? ring_buffer_record_is_on+0xe1/0x130 [ 221.829119] ? cpuacct_charge+0x265/0x440 [ 221.833257] ? lock_downgrade+0x900/0x900 [ 221.837394] ? __this_cpu_preempt_check+0x1c/0x1f [ 221.843434] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.849937] ? update_curr+0x4cf/0xbe0 [ 221.853814] ? lock_downgrade+0x900/0x900 [ 221.857954] ? check_preemption_disabled+0x48/0x200 [ 221.862967] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.868756] ? cpuacct_charge+0x282/0x440 [ 221.872894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.878418] ? __msecs_to_jiffies+0x4a/0x60 [ 221.882729] ? update_group_capacity+0xf9/0x1060 [ 221.887940] receive_buf+0xb3c/0x3280 [ 221.891728] ? update_curr+0x4ec/0xbe0 [ 221.895607] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.900616] ? receive_mergeable+0x3af0/0x3af0 [ 221.905188] ? update_sd_lb_stats+0x46c/0x2a40 [ 221.909766] ? check_preemption_disabled+0x48/0x200 [ 221.914779] ? mark_held_locks+0x130/0x130 [ 221.919006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.924540] ? task_numa_migrate+0x2860/0x2860 [ 221.929592] ? mark_held_locks+0x130/0x130 [ 221.933821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.939348] ? ring_buffer_record_is_on+0xe1/0x130 [ 221.944265] ? ring_buffer_nest_end+0xd0/0xd0 [ 221.948749] ? mark_held_locks+0x130/0x130 [ 221.952978] ? kasan_check_read+0x11/0x20 [ 221.957119] ? find_busiest_group+0x100/0x1d20 [ 221.961692] ? trace_find_filtered_pid.part.60+0x50/0x50 [ 221.967134] ? update_sd_lb_stats+0x2a40/0x2a40 [ 221.971798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.977323] ? vring_use_dma_api+0xa5/0xc0 [ 221.981552] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.987077] ? vring_unmap_one+0x5a/0x410 [ 221.991221] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.996745] ? detach_buf+0x34b/0x5d0 [ 222.000541] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 222.006081] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 222.010831] ? detach_buf+0x5d0/0x5d0 [ 222.014617] ? load_balance+0x24f5/0x3430 [ 222.018763] virtnet_poll+0x421/0x105f [ 222.022647] ? receive_buf+0x3280/0x3280 [ 222.026704] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.032147] ? lock_repin_lock+0x430/0x430 [ 222.036387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.041914] ? check_preemption_disabled+0x48/0x200 [ 222.046923] net_rx_action+0x7c5/0x1950 [ 222.050894] ? napi_complete_done+0x6d0/0x6d0 [ 222.055381] ? mark_held_locks+0x130/0x130 [ 222.059629] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.065427] ? rebalance_domains+0x375/0xdc0 [ 222.069833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.075357] ? load_balance+0x3430/0x3430 [ 222.079506] ? mark_held_locks+0x130/0x130 [ 222.083733] ? trace_hardirqs_off+0xb8/0x310 [ 222.088129] ? mark_held_locks+0x130/0x130 [ 222.092357] ? trace_hardirqs_on+0x310/0x310 [ 222.096760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.102288] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 222.109992] ? credit_entropy_bits+0x667/0xa50 [ 222.114938] ? add_interrupt_randomness+0x4bc/0x870 [ 222.119962] ? crng_reseed+0x740/0x740 [ 222.123841] ? add_interrupt_randomness+0x47e/0x870 [ 222.129361] ? lock_downgrade+0x900/0x900 [ 222.133506] ? __mix_pool_bytes+0x100/0x440 [ 222.137817] ? lock_release+0x970/0x970 [ 222.141789] ? pvclock_read_flags+0x160/0x160 [ 222.146284] ? trace_hardirqs_on+0xbd/0x310 [ 222.150592] ? kvm_sched_clock_read+0x9/0x20 [ 222.155495] ? irq_exit+0x17f/0x1c0 [ 222.160948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.166399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.171928] ? check_preemption_disabled+0x48/0x200 [ 222.176948] __do_softirq+0x30b/0xad8 [ 222.180747] ? lock_downgrade+0x900/0x900 [ 222.184891] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.189986] ? pvclock_read_flags+0x160/0x160 [ 222.194481] ? kvm_clock_read+0x18/0x30 [ 222.198444] ? kvm_sched_clock_read+0x9/0x20 [ 222.202859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.208850] ? check_preemption_disabled+0x48/0x200 [ 222.214214] irq_exit+0x17f/0x1c0 [ 222.217660] do_IRQ+0x111/0x1c0 [ 222.220931] common_interrupt+0xf/0xf [ 222.224724] [ 222.226959] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 222.232405] Code: 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 65 8b 15 2c 18 83 7e <81> e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 12 00 00 83 fa 02 75 [ 222.251293] RSP: 0000:ffff8801d9a4e108 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd5 [ 222.258995] RAX: ffff8801d9a40040 RBX: 0000000000000001 RCX: ffffffff81a69c65 [ 222.266251] RDX: 0000000080000000 RSI: ffff8801d9a4e410 RDI: ffff8801d946cdf0 [ 222.273507] RBP: ffff8801d9a4e108 R08: ffff8801d9a40040 R09: 0000000000000000 [ 222.281227] R10: ffffed0043fffb78 R11: 0000000000000000 R12: ffff8801d9a4e410 [ 222.288491] R13: ffff8801d946cdf0 R14: ffff8801d9a4e410 R15: ffff8801d946c6c0 [ 222.296222] ? do_shrink_slab+0x165/0xd20 [ 222.300377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.305989] super_cache_count+0x23/0x2e0 [ 222.310127] do_shrink_slab+0x1a7/0xd20 [ 222.314094] ? lock_release+0x970/0x970 [ 222.318059] ? snapshot_refaults+0x290/0x290 [ 222.322455] ? percpu_ref_put_many+0x13e/0x260 [ 222.327037] ? ___might_sleep+0x1ed/0x300 [ 222.331174] ? down_read_trylock+0xff/0x1e0 [ 222.335485] ? shrink_slab+0x207/0x8c0 [ 222.339366] ? downgrade_write+0x2b0/0x2b0 [ 222.343757] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.349280] ? shrink_node_memcg+0xc82/0x18e0 [ 222.353859] shrink_slab+0x389/0x8c0 [ 222.357561] ? shrink_active_list+0x1c20/0x1c20 [ 222.362226] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 222.367838] ? trace_hardirqs_on+0xbd/0x310 [ 222.372147] ? vmpressure+0x271/0x340 [ 222.375948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.381399] shrink_node+0x431/0x16b0 [ 222.385192] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 222.390477] ? shrink_node_memcg+0x18e0/0x18e0 [ 222.395052] ? trace_hardirqs_on+0xbd/0x310 [ 222.399366] ? vmpressure+0x271/0x340 [ 222.403160] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.408969] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 222.417021] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.422983] ? __cpuset_node_allowed+0x19b/0x660 [ 222.428282] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 222.433989] ? vmpressure+0x1a2/0x340 [ 222.437786] do_try_to_free_pages+0x3e7/0x1290 [ 222.442807] ? shrink_node+0x16b0/0x16b0 [ 222.446860] ? __free_object+0x173/0x340 [ 222.450910] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 222.458861] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.464389] ? __cpuset_node_allowed+0x19b/0x660 [ 222.469140] try_to_free_pages+0x4d0/0xb90 [ 222.473365] ? do_try_to_free_pages+0x1290/0x1290 [ 222.478194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.484238] ? lock_acquire+0x1ed/0x520 [ 222.488202] ? set_page_refcounted+0x280/0x280 [ 222.492779] ? lock_release+0x970/0x970 [ 222.496744] ? __next_timer_interrupt+0x1a0/0x1a0 [ 222.501576] ? ___might_sleep+0x1ed/0x300 [ 222.505739] ? arch_local_save_flags+0x40/0x40 [ 222.510313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.515324] __alloc_pages_slowpath+0x993/0x2d80 [ 222.520547] ? warn_alloc+0x120/0x120 [ 222.524338] ? __radix_tree_lookup+0x4c0/0x4c0 [ 222.528916] ? check_preemption_disabled+0x48/0x200 [ 222.533941] ? find_get_entry+0x2f2/0xc40 [ 222.538102] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 222.543136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.548670] ? should_fail+0x22d/0xd01 [ 222.552546] ? ___might_sleep+0x1ed/0x300 [ 222.556686] ? lock_release+0x970/0x970 [ 222.560664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.565756] ? pick_next_task_fair+0x990/0x16d0 [ 222.570518] ? __might_sleep+0x95/0x190 [ 222.574485] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 222.579318] ? run_rebalance_domains+0x500/0x500 [ 222.584064] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.589075] ? lock_downgrade+0x900/0x900 [ 222.593211] ? kasan_check_read+0x11/0x20 [ 222.597349] ? ___might_sleep+0x1ed/0x300 [ 222.601484] ? lock_release+0x970/0x970 [ 222.605452] ? arch_local_save_flags+0x40/0x40 [ 222.610025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.615552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.621084] ? __might_sleep+0x95/0x190 [ 222.625054] __alloc_pages_nodemask+0xa80/0xde0 [ 222.629928] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.634959] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.640749] ? __switch_to_asm+0x34/0x70 [ 222.644802] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 222.649466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.655004] ? __do_page_cache_readahead+0x7ce/0x980 [ 222.660106] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 222.665631] alloc_pages_current+0x10c/0x210 [ 222.670027] ? lock_downgrade+0x900/0x900 [ 222.674167] __page_cache_alloc+0x38f/0x5b0 [ 222.678481] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.684268] ? ext4_filemap_fault+0x82/0xad [ 222.688584] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 222.693243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.698774] ? check_preemption_disabled+0x48/0x200 [ 222.703784] filemap_fault+0x1594/0x25f0 [ 222.707844] ? __lock_page_or_retry+0xa00/0xa00 [ 222.713007] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.718795] ? trace_hardirqs_on+0xbd/0x310 [ 222.723105] ? kasan_check_read+0x11/0x20 [ 222.727242] ? remove_wait_queue+0x1a6/0x360 [ 222.731644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.737088] ? filemap_map_pages+0xdea/0x1980 [ 222.741576] ? kasan_check_write+0x14/0x20 [ 222.745803] ? find_get_pages_range_tag+0x1320/0x1320 [ 222.751476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.757206] ? fput+0x130/0x1a0 [ 222.760479] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 222.765484] ? poll_freewait+0x1d6/0x260 [ 222.769534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.778371] ? lock_acquire+0x1ed/0x520 [ 222.782365] ? ext4_filemap_fault+0x7a/0xad [ 222.786679] ? lock_release+0x970/0x970 [ 222.790642] ? arch_local_save_flags+0x40/0x40 [ 222.795219] ? select_estimate_accuracy+0x4b0/0x4b0 [ 222.800241] ? down_read+0xb0/0x1d0 [ 222.803855] ? ext4_filemap_fault+0x7a/0xad [ 222.808164] ? mark_held_locks+0x130/0x130 [ 222.812389] ? __down_interruptible+0x700/0x700 [ 222.817057] ext4_filemap_fault+0x82/0xad [ 222.821198] __do_fault+0x100/0x6b0 [ 222.824832] ? mark_held_locks+0x130/0x130 [ 222.829067] ? print_bad_pte+0x6c0/0x6c0 [ 222.833117] ? trace_hardirqs_on+0x310/0x310 [ 222.837522] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 222.842703] ? pmd_val+0x88/0x100 [ 222.846640] ? add_mm_counter_fast+0xd0/0xd0 [ 222.851040] ? pmd_val+0x88/0x100 [ 222.854487] ? add_mm_counter_fast+0xd0/0xd0 [ 222.858887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.864428] __handle_mm_fault+0x3709/0x53e0 [ 222.868834] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 222.873665] ? __might_fault+0x12b/0x1e0 [ 222.877713] ? lock_downgrade+0x900/0x900 [ 222.881855] ? lock_acquire+0x1ed/0x520 [ 222.885819] ? handle_mm_fault+0x42a/0xc70 [ 222.890044] ? lock_downgrade+0x900/0x900 [ 222.894185] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.899976] ? __do_page_fault+0x67d/0xed0 [ 222.904201] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.910148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.915680] ? check_preemption_disabled+0x48/0x200 [ 222.920690] handle_mm_fault+0x54f/0xc70 [ 222.924743] ? __handle_mm_fault+0x53e0/0x53e0 [ 222.929315] ? find_vma+0x34/0x190 [ 222.932849] __do_page_fault+0x67d/0xed0 [ 222.936909] ? mm_fault_error+0x380/0x380 [ 222.941047] ? trace_hardirqs_off+0xb8/0x310 [ 222.945448] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.950903] ? trace_hardirqs_on+0x310/0x310 [ 222.955820] do_page_fault+0xf2/0x7e0 [ 222.959623] ? vmalloc_sync_all+0x30/0x30 [ 222.963760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.969283] ? error_entry+0x70/0xd0 [ 222.972989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.977997] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.982915] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.987832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.992685] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.997709] ? trace_hardirqs_off+0x310/0x310 [ 223.004632] ? prepare_exit_to_usermode+0x291/0x3b0 [ 223.010318] ? page_fault+0x8/0x30 [ 223.013848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.018812] ? page_fault+0x8/0x30 [ 223.022343] page_fault+0x1e/0x30 [ 223.025793] RIP: 0033:0x7f4d36daddd3 [ 223.029501] Code: Bad RIP value. [ 223.032850] RSP: 002b:00007ffe5211d0e8 EFLAGS: 00010246 [ 223.038208] RAX: 0000000000000000 RBX: 00007ffe5211d290 RCX: 00007f4d36daddd3 [ 223.045466] RDX: 0000000000000000 RSI: 00007ffe5211d440 RDI: 000000000000000b [ 223.052724] RBP: 00007ffe5211d440 R08: 00007ffe5211d4c0 R09: 0000000000000001 [ 223.059983] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 223.067240] R13: 00007ffe5211d820 R14: 0000000000000000 R15: 0000000000000000 [ 223.074517] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 223.075035] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.081788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.092159] ksoftirqd/1 cpuset= [ 223.101510] Call Trace: [ 223.101512] / mems_allowed=0 [ 223.104772] [ 223.112464] dump_stack+0x1c4/0x2b4 [ 223.116081] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.121265] warn_alloc.cold.119+0xb7/0x1bd [ 223.125580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.130420] ? lock_downgrade+0x900/0x900 [ 223.134561] ? trace_hardirqs_off+0xb8/0x310 [ 223.138960] ? trace_hardirqs_off+0xb8/0x310 [ 223.143362] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.148204] ? warn_alloc+0x120/0x120 [ 223.152019] ? warn_alloc+0x120/0x120 [ 223.155832] ? warn_alloc+0x120/0x120 [ 223.159624] ? lock_release+0x970/0x970 [ 223.163589] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.168779] ? trace_hardirqs_on+0x310/0x310 [ 223.173183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.178729] ? should_fail+0x22d/0xd01 [ 223.182607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.187698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.193221] ? should_fail+0x22d/0xd01 [ 223.197099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.202192] ? should_fail+0x22d/0xd01 [ 223.206074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.211169] ? mark_held_locks+0x130/0x130 [ 223.215398] ? mark_held_locks+0x130/0x130 [ 223.219625] ? kvm_clock_read+0x18/0x30 [ 223.223592] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 223.228604] ? ktime_get+0x2e1/0x440 [ 223.232306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.237844] ? check_preemption_disabled+0x48/0x200 [ 223.242882] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 223.247905] ? widen_string+0xe0/0x2e0 [ 223.251787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.257326] ? number+0x972/0xca0 [ 223.260772] ? rcu_bh_qs+0xc0/0xc0 [ 223.264303] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 223.269307] ? widen_string+0xe0/0x2e0 [ 223.273183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.278712] __alloc_pages_nodemask+0xa80/0xde0 [ 223.283367] ? should_fail+0x22d/0xd01 [ 223.287258] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.292289] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.296965] ? lock_downgrade+0x900/0x900 [ 223.301105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.306634] cache_grow_begin+0x91/0x8c0 [ 223.310689] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.315092] fallback_alloc+0x203/0x2e0 [ 223.319067] ____cache_alloc_node+0x1c7/0x1e0 [ 223.323557] kmem_cache_alloc_node+0xe3/0x730 [ 223.328040] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.332268] __alloc_skb+0x119/0x770 [ 223.335971] ? skb_scrub_packet+0x490/0x490 [ 223.340280] ? lock_downgrade+0x900/0x900 [ 223.344430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.349954] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.355394] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.361006] ? addrconf_rs_timer+0x690/0x690 [ 223.365412] ndisc_alloc_skb+0x144/0x340 [ 223.369477] ndisc_send_rs+0x331/0x6e0 [ 223.373357] addrconf_rs_timer+0x314/0x690 [ 223.377585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.381816] call_timer_fn+0x272/0x920 [ 223.385691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.389921] ? process_timeout+0x40/0x40 [ 223.393968] ? trace_hardirqs_off+0xb8/0x310 [ 223.398365] ? kasan_check_read+0x11/0x20 [ 223.402502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.406901] ? trace_hardirqs_on+0x310/0x310 [ 223.411316] ? __run_timers+0x7da/0xc70 [ 223.415279] ? lock_downgrade+0x900/0x900 [ 223.419419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.424513] ? trace_hardirqs_on+0xbd/0x310 [ 223.428825] ? kasan_check_read+0x11/0x20 [ 223.432966] ? __run_timers+0x7da/0xc70 [ 223.436931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.442381] ? kasan_check_write+0x14/0x20 [ 223.446604] ? do_raw_spin_lock+0xc1/0x200 [ 223.450834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.456893] __run_timers+0x7e5/0xc70 [ 223.460694] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.466174] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.471203] ? timerqueue_add+0x207/0x2b0 [ 223.475361] ? enqueue_hrtimer+0x1a5/0x560 [ 223.479584] ? lock_release+0x970/0x970 [ 223.483570] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.488752] ? kasan_check_write+0x14/0x20 [ 223.492985] ? pvclock_read_flags+0x160/0x160 [ 223.497474] ? lock_downgrade+0x900/0x900 [ 223.501615] ? trace_hardirqs_on+0xbd/0x310 [ 223.505928] ? kvm_sched_clock_read+0x9/0x20 [ 223.510326] ? irq_exit+0x17f/0x1c0 [ 223.513946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.519473] ? check_preemption_disabled+0x48/0x200 [ 223.524479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.530009] run_timer_softirq+0x52/0xb0 [ 223.534058] ? __this_cpu_preempt_check+0x1c/0x1f [ 223.538909] __do_softirq+0x30b/0xad8 [ 223.542721] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.547817] ? pvclock_read_flags+0x160/0x160 [ 223.552303] ? lapic_next_event+0x5a/0x90 [ 223.556442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.561975] ? clockevents_program_event+0x140/0x370 [ 223.567073] ? kvm_clock_read+0x18/0x30 [ 223.571074] ? kvm_sched_clock_read+0x9/0x20 [ 223.575472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.580998] ? check_preemption_disabled+0x48/0x200 [ 223.586008] irq_exit+0x17f/0x1c0 [ 223.589453] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.594286] ? smp_reschedule_interrupt+0x109/0x650 [ 223.599379] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.605250] ? interrupt_entry+0xb5/0xf0 [ 223.609303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 223.614309] ? trace_hardirqs_off_caller+0xbb/0x310 [ 223.619314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.624151] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.629157] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.634208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.639735] ? check_preemption_disabled+0x48/0x200 [ 223.644744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.649580] apic_timer_interrupt+0xf/0x20 [ 223.653800] [ 223.656038] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 223.660961] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 223.679860] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 223.687560] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 223.694846] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 223.702111] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 223.709369] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 223.716643] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 223.723999] ? trace_hardirqs_on+0xb4/0x310 [ 223.728317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.733858] skb_clone+0x1bb/0x500 [ 223.737391] ? finish_task_switch+0x2f5/0x900 [ 223.741876] ? skb_split+0x11e0/0x11e0 [ 223.745754] ? preempt_notifier_register+0x200/0x200 [ 223.750860] ? __switch_to_asm+0x34/0x70 [ 223.754907] ? __switch_to_asm+0x34/0x70 [ 223.758955] ? __switch_to_asm+0x40/0x70 [ 223.763006] ? __switch_to_asm+0x34/0x70 [ 223.767053] ? __switch_to_asm+0x40/0x70 [ 223.771101] ? __switch_to_asm+0x34/0x70 [ 223.775158] ? __switch_to_asm+0x40/0x70 [ 223.779204] ? __switch_to_asm+0x34/0x70 [ 223.783252] ? __switch_to_asm+0x34/0x70 [ 223.787299] ? __switch_to_asm+0x40/0x70 [ 223.791348] ? __switch_to_asm+0x34/0x70 [ 223.795401] bpf_clone_redirect+0xb9/0x490 [ 223.799638] ? __schedule+0x874/0x1ed0 [ 223.803519] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 223.808436] ? __sched_text_start+0x8/0x8 [ 223.812574] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.817323] ? retint_kernel+0x2d/0x2d [ 223.821204] ? lock_acquire+0x1ed/0x520 [ 223.825168] ? bpf_test_run+0x32e/0x5a0 [ 223.829136] ? lock_release+0x970/0x970 [ 223.833097] ? preempt_schedule+0x4d/0x60 [ 223.837234] ? preempt_schedule_common+0x1f/0xd0 [ 223.841979] ? preempt_schedule+0x4d/0x60 [ 223.846115] ? ___preempt_schedule+0x16/0x18 [ 223.850513] ? bpf_test_run+0x1c0/0x5a0 [ 223.854481] ? netlink_diag_dump+0x2a0/0x2a0 [ 223.858938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.864455] ? bpf_test_init.isra.9+0x70/0x100 [ 223.869023] ? bpf_prog_test_run_skb+0x634/0xb40 [ 223.873762] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.878601] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.884128] ? fput+0x130/0x1a0 [ 223.887396] ? __bpf_prog_get+0x9b/0x290 [ 223.891446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.896274] ? bpf_prog_test_run+0x130/0x1a0 [ 223.900677] ? __x64_sys_bpf+0x3d8/0x510 [ 223.904724] ? bpf_prog_get+0x20/0x20 [ 223.908522] ? do_syscall_64+0x1b9/0x820 [ 223.912574] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.917926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.922847] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.927871] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.932881] ? recalc_sigpending_tsk+0x180/0x180 [ 223.937639] ? kasan_check_write+0x14/0x20 [ 223.941866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.946700] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.952054] warn_alloc_show_mem: 1 callbacks suppressed [ 223.952063] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 223.952064] Mem-Info: [ 223.952093] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 223.952093] active_file:16 inactive_file:17 isolated_file:0 [ 223.952093] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.952093] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 223.952093] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 223.952093] free:13792 free_pcp:309 free_cma:0 [ 223.957425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.964255] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.966644] Call Trace: [ 223.999683] Node 0 [ 224.009030] dump_stack+0x1c4/0x2b4 [ 224.036860] 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 [ 224.039412] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.041608] lowmem_reserve[]: 0 [ 224.045225] warn_alloc.cold.119+0xb7/0x1bd [ 224.070696] 2819 6323 [ 224.075876] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.079123] 6323 [ 224.083424] ? lock_downgrade+0x900/0x900 [ 224.090711] ? trace_hardirqs_off+0xb8/0x310 [ 224.092743] Node 0 [ 224.096871] ? trace_hardirqs_off+0xb8/0x310 [ 224.101284] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 224.103486] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.107859] lowmem_reserve[]: [ 224.135672] ? warn_alloc+0x120/0x120 [ 224.140471] 0 [ 224.143555] ? warn_alloc+0x120/0x120 [ 224.147407] 0 [ 224.149196] ? warn_alloc+0x120/0x120 [ 224.152961] 3503 [ 224.154747] ? warn_alloc+0x120/0x120 [ 224.158516] 3503 [ 224.160569] ? warn_alloc+0x120/0x120 [ 224.166399] ? mark_held_locks+0x130/0x130 [ 224.170171] Node 0 [ 224.174643] ? should_fail+0x22d/0xd01 [ 224.174692] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 224.176893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.180749] lowmem_reserve[]: [ 224.209097] ? should_fail+0x22d/0xd01 [ 224.214601] 0 [ 224.217692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.221658] 0 0 0 [ 224.221668] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 224.221718] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 224.223599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.228792] Node 0 Normal: [ 224.230939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.244887] 1063*4kB [ 224.261514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.267020] (UMEH) [ 224.269934] ? should_fail+0x22d/0xd01 [ 224.275007] 420*8kB [ 224.277399] ? ring_buffer_nest_end+0xd0/0xd0 [ 224.283284] (UME) [ 224.285515] ? should_fail+0x22d/0xd01 [ 224.289376] 170*16kB [ 224.291680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.296143] (UMEH) [ 224.298278] ? should_fail+0x22d/0xd01 [ 224.302134] 65*32kB [ 224.304527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.309600] (UME) [ 224.311823] ? tracing_record_taskinfo_skip+0x145/0x1a0 [ 224.315676] 9*64kB [ 224.317982] ? mark_held_locks+0x130/0x130 [ 224.323050] (UM) [ 224.325183] ? mark_held_locks+0x130/0x130 [ 224.330513] 0*128kB [ 224.332731] ? tracing_record_taskinfo+0x7f/0x230 [ 224.336931] 0*256kB [ 224.339005] ? try_to_wake_up+0x10a/0x12f0 [ 224.343202] 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB [ 224.345531] ? lock_downgrade+0x900/0x900 [ 224.350342] = 14012kB [ 224.352650] ? lock_downgrade+0x900/0x900 [ 224.356857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 224.361849] ? trace_hardirqs_off+0xb8/0x310 [ 224.365970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 224.368360] ? kasan_check_read+0x11/0x20 [ 224.372477] 4986 total pagecache pages [ 224.381621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.385995] 0 pages in swap cache [ 224.395021] ? trace_hardirqs_on+0x310/0x310 [ 224.399137] Swap cache stats: add 0, delete 0, find 0/0 [ 224.403009] ? rcu_read_lock+0x70/0x70 [ 224.407380] Free swap = 0kB [ 224.410819] ? kthread_data+0x58/0xc0 [ 224.415201] Total swap = 0kB [ 224.420549] __alloc_pages_nodemask+0xa80/0xde0 [ 224.424402] 1965979 pages RAM [ 224.427402] ? should_fail+0x22d/0xd01 [ 224.431173] 0 pages HighMem/MovableOnly [ 224.434173] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.438809] 342307 pages reserved [ 224.441905] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.445752] 0 pages cma reserved [ 224.449711] ? lock_downgrade+0x900/0x900 [ 224.458202] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.458281] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.458286] syz-executor4 cpuset=syz4 mems_allowed=0 [ 224.499403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.505471] cache_grow_begin+0x91/0x8c0 [ 224.509526] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.513948] fallback_alloc+0x203/0x2e0 [ 224.517913] ____cache_alloc_node+0x1c7/0x1e0 [ 224.522403] kmem_cache_alloc_node+0xe3/0x730 [ 224.526892] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.531634] __alloc_skb+0x119/0x770 [ 224.535341] ? skb_scrub_packet+0x490/0x490 [ 224.539649] ? lock_downgrade+0x900/0x900 [ 224.543792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.549319] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.554768] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.560212] ? addrconf_rs_timer+0x690/0x690 [ 224.565064] ndisc_alloc_skb+0x144/0x340 [ 224.569120] ndisc_send_rs+0x331/0x6e0 [ 224.573000] addrconf_rs_timer+0x314/0x690 [ 224.577222] ? lock_release+0x970/0x970 [ 224.581183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.586714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.590945] call_timer_fn+0x272/0x920 [ 224.594825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.599052] ? process_timeout+0x40/0x40 [ 224.603099] ? kasan_check_read+0x11/0x20 [ 224.607237] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.611633] ? trace_hardirqs_on+0x310/0x310 [ 224.616034] ? __run_timers+0x7da/0xc70 [ 224.620002] ? lock_downgrade+0x900/0x900 [ 224.624143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.629236] ? trace_hardirqs_on+0xbd/0x310 [ 224.633543] ? kasan_check_read+0x11/0x20 [ 224.637680] ? __run_timers+0x7da/0xc70 [ 224.642749] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.648662] ? kasan_check_write+0x14/0x20 [ 224.652887] ? do_raw_spin_lock+0xc1/0x200 [ 224.657114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.661336] __run_timers+0x7e5/0xc70 [ 224.665137] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.670490] ? compat_start_thread+0x80/0x80 [ 224.674890] ? dequeue_entity+0x1770/0x1770 [ 224.679202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.684728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.690268] ? kasan_check_write+0x14/0x20 [ 224.696479] ? finish_task_switch+0x2f5/0x900 [ 224.701438] ? __switch_to_asm+0x40/0x70 [ 224.705492] ? preempt_notifier_register+0x200/0x200 [ 224.710581] ? __switch_to_asm+0x34/0x70 [ 224.714632] ? __switch_to_asm+0x40/0x70 [ 224.718691] ? __switch_to_asm+0x34/0x70 [ 224.722745] ? __switch_to_asm+0x40/0x70 [ 224.726794] ? __switch_to_asm+0x34/0x70 [ 224.730845] ? __switch_to_asm+0x40/0x70 [ 224.734901] ? pvclock_read_flags+0x160/0x160 [ 224.739385] ? __schedule+0x874/0x1ed0 [ 224.743264] ? run_rebalance_domains+0x38d/0x500 [ 224.748014] ? trace_hardirqs_on+0xbd/0x310 [ 224.752327] ? kvm_sched_clock_read+0x9/0x20 [ 224.756727] ? run_ksoftirqd+0x94/0x100 [ 224.760702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.766232] ? check_preemption_disabled+0x48/0x200 [ 224.771241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.776771] run_timer_softirq+0x52/0xb0 [ 224.780822] ? __this_cpu_preempt_check+0x1c/0x1f [ 224.785665] __do_softirq+0x30b/0xad8 [ 224.789460] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.794700] ? trace_hardirqs_off+0xb8/0x310 [ 224.799106] ? schedule+0x108/0x460 [ 224.803224] ? __schedule+0x1ed0/0x1ed0 [ 224.807208] ? run_ksoftirqd+0x99/0x100 [ 224.811176] ? trace_hardirqs_off+0xb8/0x310 [ 224.815575] ? ___might_sleep+0x1ed/0x300 [ 224.819714] ? smpboot_thread_fn+0x68b/0xa00 [ 224.824121] ? trace_hardirqs_on+0x310/0x310 [ 224.828524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.834054] ? check_preemption_disabled+0x48/0x200 [ 224.839058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.844584] ? takeover_tasklets+0xa90/0xa90 [ 224.848987] run_ksoftirqd+0x94/0x100 [ 224.852777] smpboot_thread_fn+0x68b/0xa00 [ 224.857000] ? sort_range+0x30/0x30 [ 224.860618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.865708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.871239] ? __kthread_parkme+0xfb/0x1a0 [ 224.875469] kthread+0x35a/0x420 [ 224.878826] ? sort_range+0x30/0x30 [ 224.882441] ? kthread_bind+0x40/0x40 [ 224.886230] ret_from_fork+0x3a/0x50 [ 224.889947] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 224.890023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.897222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.897226] Call Trace: [ 224.897230] [ 224.897245] dump_stack+0x1c4/0x2b4 [ 224.897265] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.903794] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.913083] warn_alloc.cold.119+0xb7/0x1bd [ 224.915634] ksoftirqd/1 cpuset= [ 224.917770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.921362] / [ 224.926538] ? lock_downgrade+0x900/0x900 [ 224.936816] mems_allowed=0 [ 224.941132] ? trace_hardirqs_off+0xb8/0x310 [ 224.962451] ? trace_hardirqs_off+0xb8/0x310 [ 224.966856] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.971711] ? warn_alloc+0x120/0x120 [ 224.975512] ? warn_alloc+0x120/0x120 [ 224.979305] ? warn_alloc+0x120/0x120 [ 224.983099] ? lock_release+0x970/0x970 [ 224.987064] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.992245] ? trace_hardirqs_on+0x310/0x310 [ 224.996648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.002179] ? should_fail+0x22d/0xd01 [ 225.006057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.011152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.016677] ? should_fail+0x22d/0xd01 [ 225.020558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.025653] ? should_fail+0x22d/0xd01 [ 225.029689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.034787] ? mark_held_locks+0x130/0x130 [ 225.039012] ? mark_held_locks+0x130/0x130 [ 225.043240] ? kvm_clock_read+0x18/0x30 [ 225.047205] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 225.052205] ? ktime_get+0x2e1/0x440 [ 225.055907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.061437] ? check_preemption_disabled+0x48/0x200 [ 225.066452] ? kasan_check_read+0x11/0x20 [ 225.070594] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.075874] ? rcu_bh_qs+0xc0/0xc0 [ 225.079405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.084932] ? check_preemption_disabled+0x48/0x200 [ 225.089939] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 225.094947] ? widen_string+0xe0/0x2e0 [ 225.098827] __alloc_pages_nodemask+0xa80/0xde0 [ 225.103500] ? should_fail+0x22d/0xd01 [ 225.107382] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.112401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.117058] ? lock_downgrade+0x900/0x900 [ 225.121197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.126736] cache_grow_begin+0x91/0x8c0 [ 225.130790] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.135190] fallback_alloc+0x203/0x2e0 [ 225.139170] ____cache_alloc_node+0x1c7/0x1e0 [ 225.143662] kmem_cache_alloc_node+0xe3/0x730 [ 225.148170] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.152401] __alloc_skb+0x119/0x770 [ 225.156104] ? skb_scrub_packet+0x490/0x490 [ 225.160413] ? lock_downgrade+0x900/0x900 [ 225.164552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.170079] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.175521] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.180958] ? addrconf_rs_timer+0x690/0x690 [ 225.185358] ndisc_alloc_skb+0x144/0x340 [ 225.189408] ndisc_send_rs+0x331/0x6e0 [ 225.193287] addrconf_rs_timer+0x314/0x690 [ 225.197517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.201752] call_timer_fn+0x272/0x920 [ 225.205626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.209851] ? process_timeout+0x40/0x40 [ 225.213901] ? trace_hardirqs_off+0xb8/0x310 [ 225.218298] ? kasan_check_read+0x11/0x20 [ 225.222433] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.226836] ? trace_hardirqs_on+0x310/0x310 [ 225.231236] ? __run_timers+0x7da/0xc70 [ 225.235199] ? lock_downgrade+0x900/0x900 [ 225.239338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.244428] ? trace_hardirqs_on+0xbd/0x310 [ 225.248740] ? kasan_check_read+0x11/0x20 [ 225.252876] ? __run_timers+0x7da/0xc70 [ 225.256863] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.262304] ? kasan_check_write+0x14/0x20 [ 225.266531] ? do_raw_spin_lock+0xc1/0x200 [ 225.270759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.274984] __run_timers+0x7e5/0xc70 [ 225.278781] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.284139] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.289143] ? timerqueue_add+0x207/0x2b0 [ 225.293307] ? enqueue_hrtimer+0x1a5/0x560 [ 225.297533] ? lock_release+0x970/0x970 [ 225.301501] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.306680] ? kasan_check_write+0x14/0x20 [ 225.310930] ? pvclock_read_flags+0x160/0x160 [ 225.315414] ? lock_downgrade+0x900/0x900 [ 225.319558] ? trace_hardirqs_on+0xbd/0x310 [ 225.323866] ? kvm_sched_clock_read+0x9/0x20 [ 225.328264] ? irq_exit+0x17f/0x1c0 [ 225.331900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.337458] ? check_preemption_disabled+0x48/0x200 [ 225.342464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.347994] run_timer_softirq+0x52/0xb0 [ 225.352050] ? __this_cpu_preempt_check+0x1c/0x1f [ 225.356882] __do_softirq+0x30b/0xad8 [ 225.360677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.365782] ? pvclock_read_flags+0x160/0x160 [ 225.370269] ? lapic_next_event+0x5a/0x90 [ 225.374407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.379935] ? clockevents_program_event+0x140/0x370 [ 225.385029] ? kvm_clock_read+0x18/0x30 [ 225.388994] ? kvm_sched_clock_read+0x9/0x20 [ 225.393391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.398916] ? check_preemption_disabled+0x48/0x200 [ 225.403925] irq_exit+0x17f/0x1c0 [ 225.407463] smp_apic_timer_interrupt+0x1cb/0x760 [ 225.412293] ? smp_reschedule_interrupt+0x109/0x650 [ 225.417302] ? smp_call_function_single_interrupt+0x650/0x650 [ 225.423176] ? interrupt_entry+0xb5/0xf0 [ 225.427228] ? trace_hardirqs_off_caller+0xbb/0x310 [ 225.432251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 225.437293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.442126] ? trace_hardirqs_on_caller+0x310/0x310 [ 225.447130] ? trace_hardirqs_on_caller+0x310/0x310 [ 225.452140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.458756] ? check_preemption_disabled+0x48/0x200 [ 225.463777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.468609] apic_timer_interrupt+0xf/0x20 [ 225.472825] [ 225.475052] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 225.479972] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 225.498876] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 225.506576] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 225.513862] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 225.521120] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 225.528381] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 225.535639] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 225.542914] ? trace_hardirqs_on+0xb4/0x310 [ 225.547233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.552767] skb_clone+0x1bb/0x500 [ 225.556301] ? finish_task_switch+0x2f5/0x900 [ 225.560788] ? skb_split+0x11e0/0x11e0 [ 225.564675] ? preempt_notifier_register+0x200/0x200 [ 225.569776] ? __switch_to_asm+0x34/0x70 [ 225.573824] ? __switch_to_asm+0x34/0x70 [ 225.577873] ? __switch_to_asm+0x40/0x70 [ 225.581921] ? __switch_to_asm+0x34/0x70 [ 225.585964] ? __switch_to_asm+0x40/0x70 [ 225.590005] ? __switch_to_asm+0x34/0x70 [ 225.594054] ? __switch_to_asm+0x40/0x70 [ 225.598101] ? __switch_to_asm+0x34/0x70 [ 225.602154] ? __switch_to_asm+0x34/0x70 [ 225.606203] ? __switch_to_asm+0x40/0x70 [ 225.610256] ? __switch_to_asm+0x34/0x70 [ 225.614311] bpf_clone_redirect+0xb9/0x490 [ 225.618537] ? __schedule+0x874/0x1ed0 [ 225.622432] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 225.627351] ? __sched_text_start+0x8/0x8 [ 225.631494] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.636244] ? retint_kernel+0x2d/0x2d [ 225.640395] ? lock_acquire+0x1ed/0x520 [ 225.644356] ? bpf_test_run+0x32e/0x5a0 [ 225.648323] ? lock_release+0x970/0x970 [ 225.652285] ? preempt_schedule+0x4d/0x60 [ 225.656421] ? preempt_schedule_common+0x1f/0xd0 [ 225.661171] ? preempt_schedule+0x4d/0x60 [ 225.665312] ? ___preempt_schedule+0x16/0x18 [ 225.669731] ? bpf_test_run+0x1c0/0x5a0 [ 225.673707] ? netlink_diag_dump+0x2a0/0x2a0 [ 225.678126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.683664] ? bpf_test_init.isra.9+0x70/0x100 [ 225.688241] ? bpf_prog_test_run_skb+0x634/0xb40 [ 225.692990] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.697825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 225.703351] ? fput+0x130/0x1a0 [ 225.706621] ? __bpf_prog_get+0x9b/0x290 [ 225.710683] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.715514] ? bpf_prog_test_run+0x130/0x1a0 [ 225.719935] ? __x64_sys_bpf+0x3d8/0x510 [ 225.723985] ? bpf_prog_get+0x20/0x20 [ 225.727786] ? do_syscall_64+0x1b9/0x820 [ 225.731840] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 225.737192] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.742112] ? trace_hardirqs_on_caller+0x310/0x310 [ 225.747117] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 225.752135] ? recalc_sigpending_tsk+0x180/0x180 [ 225.756896] ? kasan_check_write+0x14/0x20 [ 225.761126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.765962] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.771329] warn_alloc_show_mem: 1 callbacks suppressed [ 225.771338] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 225.771340] Mem-Info: [ 225.771369] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 225.771369] active_file:16 inactive_file:17 isolated_file:0 [ 225.771369] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.771369] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 225.771369] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 225.771369] free:13792 free_pcp:309 free_cma:0 [ 225.776699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.783531] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.785916] Call Trace: [ 225.819053] Node 0 [ 225.828908] dump_stack+0x1c4/0x2b4 [ 225.856751] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.859304] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.861507] lowmem_reserve[]: [ 225.865122] warn_alloc.cold.119+0xb7/0x1bd [ 225.890586] 0 [ 225.895764] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.898835] 2819 [ 225.903142] ? lock_downgrade+0x900/0x900 [ 225.904923] 6323 [ 225.909822] ? trace_hardirqs_off+0xb8/0x310 [ 225.911850] 6323 [ 225.918052] ? trace_hardirqs_off+0xb8/0x310 [ 225.920101] Node 0 [ 225.924495] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.926726] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 225.931111] ? warn_alloc+0x120/0x120 [ 225.933305] lowmem_reserve[]: [ 225.938132] ? warn_alloc+0x120/0x120 [ 225.965076] 0 0 [ 225.968871] ? warn_alloc+0x120/0x120 [ 225.971942] 3503 [ 225.976198] ? mark_held_locks+0x130/0x130 [ 225.978151] 3503 [ 225.981939] ? mark_held_locks+0x130/0x130 [ 225.988187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.990217] Node 0 [ 225.994436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.999963] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 226.002167] ? should_fail+0x22d/0xd01 [ 226.007678] lowmem_reserve[]: [ 226.039061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.042917] 0 [ 226.046019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.051091] 0 [ 226.052881] ? should_fail+0x22d/0xd01 [ 226.058382] 0 [ 226.060172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.064019] 0 [ 226.064028] Node 0 [ 226.065813] ? should_fail+0x22d/0xd01 [ 226.070877] DMA: 1*4kB [ 226.072677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.074877] (U) [ 226.078750] ? mark_held_locks+0x130/0x130 [ 226.081304] 0*8kB [ 226.086392] ? mark_held_locks+0x130/0x130 [ 226.088336] 0*16kB [ 226.092553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.094671] 1*32kB [ 226.098889] ? trace_hardirqs_off+0xb8/0x310 [ 226.101091] (U) [ 226.106609] ? kasan_check_read+0x11/0x20 [ 226.108821] 2*64kB [ 226.113543] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.115486] (U) [ 226.119623] ? trace_hardirqs_on+0x310/0x310 [ 226.121825] 1*128kB [ 226.126216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.128161] (U) [ 226.132550] ? wq_watchdog_touch+0x9c/0xfe [ 226.134846] 1*256kB [ 226.140367] ? io_serial_in+0x11/0x90 [ 226.142307] (U) [ 226.146524] ? retint_kernel+0x2d/0x2d [ 226.148810] 0*512kB 1*1024kB [ 226.152597] ? trace_hardirqs_on_caller+0xc0/0x310 [ 226.154539] (U) [ 226.158412] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.161480] 1*2048kB (M) [ 226.166396] ? trace_hardirqs_off+0x310/0x310 [ 226.168343] 3*4096kB [ 226.173079] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.175806] (M) [ 226.180286] __alloc_pages_nodemask+0xa80/0xde0 [ 226.182664] = 15908kB [ 226.187752] ? should_fail+0x22d/0xd01 [ 226.189696] Node 0 [ 226.194347] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.196727] DMA32: [ 226.201074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.203287] 6*4kB [ 226.208694] ? lock_downgrade+0x900/0x900 [ 226.210897] (UME) [ 226.215552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.217683] 2*8kB [ 226.222312] cache_grow_begin+0x91/0x8c0 [ 226.224430] (UE) [ 226.229953] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.232069] 4*16kB [ 226.236110] fallback_alloc+0x203/0x2e0 [ 226.238134] (UME) 4*32kB (UME) [ 226.242539] ____cache_alloc_node+0x1c7/0x1e0 [ 226.244755] 5*64kB [ 226.248727] kmem_cache_alloc_node+0xe3/0x730 [ 226.251971] (ME) [ 226.256447] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.258655] 5*128kB [ 226.263139] __alloc_skb+0x119/0x770 [ 226.265165] (UME) [ 226.269383] ? skb_scrub_packet+0x490/0x490 [ 226.271679] 4*256kB [ 226.275373] ? lock_downgrade+0x900/0x900 [ 226.277491] (ME) [ 226.282287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.284578] 5*512kB [ 226.288707] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.290736] (UME) [ 226.296264] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.298557] 4*1024kB [ 226.304498] ? addrconf_rs_timer+0x690/0x690 [ 226.306614] (UME) 2*2048kB [ 226.312065] ndisc_alloc_skb+0x144/0x340 [ 226.314441] (ME) [ 226.318832] ndisc_send_rs+0x331/0x6e0 [ 226.321732] 3*4096kB [ 226.325779] addrconf_rs_timer+0x314/0x690 [ 226.327808] (M) [ 226.331677] ? lock_release+0x970/0x970 [ 226.334054] = 25256kB [ 226.338272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.340220] Node 0 [ 226.344187] call_timer_fn+0x272/0x920 [ 226.346563] Normal: [ 226.350777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.352982] 1063*4kB [ 226.356851] ? process_timeout+0x40/0x40 [ 226.359145] (UMEH) [ 226.363364] ? kasan_check_read+0x11/0x20 [ 226.365741] 420*8kB [ 226.369785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.371986] (UME) [ 226.376115] ? trace_hardirqs_on+0x310/0x310 [ 226.378402] 170*16kB (UMEH) [ 226.382797] ? __run_timers+0x7da/0xc70 [ 226.384916] 65*32kB [ 226.389775] ? lock_downgrade+0x900/0x900 [ 226.392765] (UME) [ 226.396724] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.399017] 9*64kB [ 226.403976] ? trace_hardirqs_on+0xbd/0x310 [ 226.406125] (UM) [ 226.411827] ? kasan_check_read+0x11/0x20 [ 226.411842] ? __run_timers+0x7da/0xc70 [ 226.414049] 0*128kB [ 226.418355] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.420385] 0*256kB [ 226.424515] ? kasan_check_write+0x14/0x20 [ 226.428455] 0*512kB 1*1024kB [ 226.430770] ? do_raw_spin_lock+0xc1/0x200 [ 226.436186] (H) [ 226.438495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.442697] 0*2048kB [ 226.445786] __run_timers+0x7e5/0xc70 [ 226.449986] 0*4096kB [ 226.451949] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.459129] = 14012kB [ 226.461543] ? compat_start_thread+0x80/0x80 [ 226.465315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 226.467702] ? dequeue_entity+0x1770/0x1770 [ 226.473040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 226.475431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.480178] 4986 total pagecache pages [ 226.489094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.495031] 0 pages in swap cache [ 226.495036] Swap cache stats: add 0, delete 0, find 0/0 [ 226.495038] Free swap = 0kB [ 226.495041] Total swap = 0kB [ 226.495045] 1965979 pages RAM [ 226.495047] 0 pages HighMem/MovableOnly [ 226.495050] 342307 pages reserved [ 226.495052] 0 pages cma reserved [ 226.495099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.495147] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.503705] ? kasan_check_write+0x14/0x20 [ 226.509209] syz-executor4 cpuset= [ 226.516896] ? finish_task_switch+0x2f5/0x900 [ 226.522401] syz4 [ 226.525833] ? __switch_to_asm+0x40/0x70 [ 226.525849] ? preempt_notifier_register+0x200/0x200 [ 226.531182] mems_allowed=0 [ 226.534183] ? __switch_to_asm+0x34/0x70 [ 226.599711] ? __switch_to_asm+0x40/0x70 [ 226.603762] ? __switch_to_asm+0x34/0x70 [ 226.607811] ? __switch_to_asm+0x40/0x70 [ 226.612363] ? __switch_to_asm+0x34/0x70 [ 226.616411] ? __switch_to_asm+0x40/0x70 [ 226.620467] ? pvclock_read_flags+0x160/0x160 [ 226.624956] ? __schedule+0x874/0x1ed0 [ 226.628836] ? run_rebalance_domains+0x38d/0x500 [ 226.633591] ? trace_hardirqs_on+0xbd/0x310 [ 226.638368] ? kvm_sched_clock_read+0x9/0x20 [ 226.642768] ? run_ksoftirqd+0x94/0x100 [ 226.646917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.652448] ? check_preemption_disabled+0x48/0x200 [ 226.657454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.662983] run_timer_softirq+0x52/0xb0 [ 226.667040] ? __this_cpu_preempt_check+0x1c/0x1f [ 226.671872] __do_softirq+0x30b/0xad8 [ 226.675668] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.680758] ? trace_hardirqs_off+0xb8/0x310 [ 226.685162] ? schedule+0x108/0x460 [ 226.688781] ? __schedule+0x1ed0/0x1ed0 [ 226.692745] ? run_ksoftirqd+0x99/0x100 [ 226.696729] ? trace_hardirqs_off+0xb8/0x310 [ 226.701127] ? ___might_sleep+0x1ed/0x300 [ 226.705263] ? smpboot_thread_fn+0x68b/0xa00 [ 226.709660] ? trace_hardirqs_on+0x310/0x310 [ 226.714060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.719601] ? check_preemption_disabled+0x48/0x200 [ 226.727581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.733112] ? takeover_tasklets+0xa90/0xa90 [ 226.737836] run_ksoftirqd+0x94/0x100 [ 226.741626] smpboot_thread_fn+0x68b/0xa00 [ 226.745850] ? sort_range+0x30/0x30 [ 226.749464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.754557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.760114] ? __kthread_parkme+0xfb/0x1a0 [ 226.765743] kthread+0x35a/0x420 [ 226.770128] ? sort_range+0x30/0x30 [ 226.773743] ? kthread_bind+0x40/0x40 [ 226.777534] ret_from_fork+0x3a/0x50 [ 226.781255] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 226.781301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.788520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.788527] Call Trace: [ 226.795074] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.804348] [ 226.806908] ksoftirqd/1 cpuset= [ 226.817204] dump_stack+0x1c4/0x2b4 [ 226.819321] / [ 226.822599] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.826193] mems_allowed=0 [ 226.827910] warn_alloc.cold.119+0xb7/0x1bd [ 226.840829] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.845667] ? lock_downgrade+0x900/0x900 [ 226.849811] ? trace_hardirqs_off+0xb8/0x310 [ 226.854212] ? trace_hardirqs_off+0xb8/0x310 [ 226.858616] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.863458] ? warn_alloc+0x120/0x120 [ 226.867249] ? warn_alloc+0x120/0x120 [ 226.871041] ? warn_alloc+0x120/0x120 [ 226.874829] ? lock_release+0x970/0x970 [ 226.878789] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.883963] ? trace_hardirqs_on+0x310/0x310 [ 226.888363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.893889] ? should_fail+0x22d/0xd01 [ 226.897772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.902864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.908390] ? should_fail+0x22d/0xd01 [ 226.912272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.917366] ? should_fail+0x22d/0xd01 [ 226.921245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.926338] ? mark_held_locks+0x130/0x130 [ 226.930570] ? mark_held_locks+0x130/0x130 [ 226.934802] ? kvm_clock_read+0x18/0x30 [ 226.938779] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 226.943784] ? ktime_get+0x2e1/0x440 [ 226.947487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.953016] ? check_preemption_disabled+0x48/0x200 [ 226.958022] ? kasan_check_read+0x11/0x20 [ 226.962160] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.967426] ? rcu_bh_qs+0xc0/0xc0 [ 226.971040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.976582] ? check_preemption_disabled+0x48/0x200 [ 226.981594] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 226.986599] ? widen_string+0xe0/0x2e0 [ 226.990482] __alloc_pages_nodemask+0xa80/0xde0 [ 226.995140] ? should_fail+0x22d/0xd01 [ 226.999147] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.004183] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.008842] ? lock_downgrade+0x900/0x900 [ 227.012995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.018526] cache_grow_begin+0x91/0x8c0 [ 227.022585] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.026988] fallback_alloc+0x203/0x2e0 [ 227.030953] ____cache_alloc_node+0x1c7/0x1e0 [ 227.035441] kmem_cache_alloc_node+0xe3/0x730 [ 227.039927] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.044156] __alloc_skb+0x119/0x770 [ 227.047879] ? skb_scrub_packet+0x490/0x490 [ 227.052193] ? lock_downgrade+0x900/0x900 [ 227.056333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.061875] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.067316] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.072757] ? addrconf_rs_timer+0x690/0x690 [ 227.077161] ndisc_alloc_skb+0x144/0x340 [ 227.081214] ndisc_send_rs+0x331/0x6e0 [ 227.085101] addrconf_rs_timer+0x314/0x690 [ 227.089363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.093611] call_timer_fn+0x272/0x920 [ 227.097506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.101740] ? process_timeout+0x40/0x40 [ 227.105794] ? trace_hardirqs_off+0xb8/0x310 [ 227.110187] ? kasan_check_read+0x11/0x20 [ 227.114344] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.118742] ? trace_hardirqs_on+0x310/0x310 [ 227.123138] ? __run_timers+0x7da/0xc70 [ 227.127100] ? lock_downgrade+0x900/0x900 [ 227.131239] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.136332] ? trace_hardirqs_on+0xbd/0x310 [ 227.140643] ? kasan_check_read+0x11/0x20 [ 227.144777] ? __run_timers+0x7da/0xc70 [ 227.148745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.154186] ? kasan_check_write+0x14/0x20 [ 227.158409] ? do_raw_spin_lock+0xc1/0x200 [ 227.162635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.166863] __run_timers+0x7e5/0xc70 [ 227.170667] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.176024] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.181051] ? timerqueue_add+0x207/0x2b0 [ 227.185190] ? enqueue_hrtimer+0x1a5/0x560 [ 227.189414] ? lock_release+0x970/0x970 [ 227.193376] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.198562] ? kasan_check_write+0x14/0x20 [ 227.202792] ? pvclock_read_flags+0x160/0x160 [ 227.207277] ? lock_downgrade+0x900/0x900 [ 227.211416] ? trace_hardirqs_on+0xbd/0x310 [ 227.215743] ? kvm_sched_clock_read+0x9/0x20 [ 227.220145] ? irq_exit+0x17f/0x1c0 [ 227.223764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.229289] ? check_preemption_disabled+0x48/0x200 [ 227.234295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.239850] run_timer_softirq+0x52/0xb0 [ 227.243901] ? __this_cpu_preempt_check+0x1c/0x1f [ 227.248733] __do_softirq+0x30b/0xad8 [ 227.252538] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.257635] ? pvclock_read_flags+0x160/0x160 [ 227.262117] ? lapic_next_event+0x5a/0x90 [ 227.266255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.271955] ? clockevents_program_event+0x140/0x370 [ 227.277049] ? kvm_clock_read+0x18/0x30 [ 227.281012] ? kvm_sched_clock_read+0x9/0x20 [ 227.285408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.290932] ? check_preemption_disabled+0x48/0x200 [ 227.295941] irq_exit+0x17f/0x1c0 [ 227.299387] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.304216] ? smp_reschedule_interrupt+0x109/0x650 [ 227.309224] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.315099] ? interrupt_entry+0xb5/0xf0 [ 227.319150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.324155] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.329161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.333990] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.338992] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.343995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.349528] ? check_preemption_disabled+0x48/0x200 [ 227.354550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.359388] apic_timer_interrupt+0xf/0x20 [ 227.363604] [ 227.365837] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 227.370761] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 227.389662] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 227.397363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 227.404619] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 227.411878] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 227.419133] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 227.426388] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 227.433656] ? trace_hardirqs_on+0xb4/0x310 [ 227.437971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.443503] skb_clone+0x1bb/0x500 [ 227.447043] ? finish_task_switch+0x2f5/0x900 [ 227.451529] ? skb_split+0x11e0/0x11e0 [ 227.455834] ? preempt_notifier_register+0x200/0x200 [ 227.460924] ? __switch_to_asm+0x34/0x70 [ 227.464973] ? __switch_to_asm+0x34/0x70 [ 227.469021] ? __switch_to_asm+0x40/0x70 [ 227.474523] ? __switch_to_asm+0x34/0x70 [ 227.478578] ? __switch_to_asm+0x40/0x70 [ 227.482628] ? __switch_to_asm+0x34/0x70 [ 227.486712] ? __switch_to_asm+0x40/0x70 [ 227.492270] ? __switch_to_asm+0x34/0x70 [ 227.496319] ? __switch_to_asm+0x34/0x70 [ 227.500366] ? __switch_to_asm+0x40/0x70 [ 227.504414] ? __switch_to_asm+0x34/0x70 [ 227.508469] bpf_clone_redirect+0xb9/0x490 [ 227.512699] ? __schedule+0x874/0x1ed0 [ 227.516579] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 227.521523] ? __sched_text_start+0x8/0x8 [ 227.525667] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.530411] ? retint_kernel+0x2d/0x2d [ 227.534293] ? lock_acquire+0x1ed/0x520 [ 227.538256] ? bpf_test_run+0x32e/0x5a0 [ 227.542333] ? lock_release+0x970/0x970 [ 227.546317] ? preempt_schedule+0x4d/0x60 [ 227.550457] ? preempt_schedule_common+0x1f/0xd0 [ 227.555204] ? preempt_schedule+0x4d/0x60 [ 227.559370] ? ___preempt_schedule+0x16/0x18 [ 227.563809] ? bpf_test_run+0x1c0/0x5a0 [ 227.567780] ? netlink_diag_dump+0x2a0/0x2a0 [ 227.572184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.577708] ? bpf_test_init.isra.9+0x70/0x100 [ 227.582283] ? bpf_prog_test_run_skb+0x634/0xb40 [ 227.587031] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.591863] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.597392] ? fput+0x130/0x1a0 [ 227.600660] ? __bpf_prog_get+0x9b/0x290 [ 227.604709] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.609541] ? bpf_prog_test_run+0x130/0x1a0 [ 227.613940] ? __x64_sys_bpf+0x3d8/0x510 [ 227.617990] ? bpf_prog_get+0x20/0x20 [ 227.621788] ? do_syscall_64+0x1b9/0x820 [ 227.625836] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 227.631191] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.636113] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.641119] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 227.646124] ? recalc_sigpending_tsk+0x180/0x180 [ 227.650868] ? kasan_check_write+0x14/0x20 [ 227.655096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.659931] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.665292] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 227.665296] warn_alloc_show_mem: 1 callbacks suppressed [ 227.665302] Mem-Info: [ 227.672156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.677528] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 227.677528] active_file:16 inactive_file:17 isolated_file:0 [ 227.677528] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.677528] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 227.677528] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 227.677528] free:13792 free_pcp:309 free_cma:0 [ 227.679900] Call Trace: [ 227.689269] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.722292] dump_stack+0x1c4/0x2b4 [ 227.724841] Node 0 [ 227.753059] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.756662] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 227.756676] lowmem_reserve[]: 0 2819 6323 6323 [ 227.756688] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 227.756730] lowmem_reserve[]: 0 0 3503 3503 [ 227.756741] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 227.756761] lowmem_reserve[]: 0 0 0 0 [ 227.756771] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 227.756855] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 227.756930] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) [ 227.760809] warn_alloc.cold.119+0xb7/0x1bd [ 227.765961] 0*128kB [ 227.791456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.796009] 0*256kB [ 227.823579] ? lock_downgrade+0x900/0x900 [ 227.827874] 0*512kB [ 227.856840] ? trace_hardirqs_off+0xb8/0x310 [ 227.860609] 1*1024kB [ 227.874921] ? trace_hardirqs_off+0xb8/0x310 [ 227.891014] (H) [ 227.900194] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.904487] 0*2048kB [ 227.906805] ? warn_alloc+0x120/0x120 [ 227.911611] 0*4096kB [ 227.913922] ? warn_alloc+0x120/0x120 [ 227.918040] = 14012kB [ 227.920348] ? warn_alloc+0x120/0x120 [ 227.924881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 227.924887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 227.924890] 4986 total pagecache pages [ 227.924894] 0 pages in swap cache [ 227.924898] Swap cache stats: add 0, delete 0, find 0/0 [ 227.924901] Free swap = 0kB [ 227.924903] Total swap = 0kB [ 227.924906] 1965979 pages RAM [ 227.924909] 0 pages HighMem/MovableOnly [ 227.924911] 342307 pages reserved [ 227.924913] 0 pages cma reserved [ 227.924978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 227.925047] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.930769] ? mark_held_locks+0x130/0x130 [ 227.935145] syz-executor4 cpuset= [ 227.937104] ? mark_held_locks+0x130/0x130 [ 227.941913] syz4 [ 227.944313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.948079] mems_allowed=0 [ 227.950479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.055434] ? should_fail+0x22d/0xd01 [ 228.059774] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.066206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.071735] ? should_fail+0x22d/0xd01 [ 228.075617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.080709] ? should_fail+0x22d/0xd01 [ 228.084595] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.089700] ? mark_held_locks+0x130/0x130 [ 228.093928] ? mark_held_locks+0x130/0x130 [ 228.098153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.103681] ? trace_hardirqs_off+0xb8/0x310 [ 228.108076] ? kasan_check_read+0x11/0x20 [ 228.112485] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.116885] ? trace_hardirqs_on+0x310/0x310 [ 228.121284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.126834] ? wq_watchdog_touch+0x9c/0xfe [ 228.131063] ? io_serial_in+0x11/0x90 [ 228.134852] ? retint_kernel+0x2d/0x2d [ 228.138729] ? trace_hardirqs_on_caller+0xc0/0x310 [ 228.143649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.148397] ? trace_hardirqs_off+0x310/0x310 [ 228.152881] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.157984] __alloc_pages_nodemask+0xa80/0xde0 [ 228.162644] ? should_fail+0x22d/0xd01 [ 228.166523] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.171545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.176205] ? lock_downgrade+0x900/0x900 [ 228.180348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.185877] cache_grow_begin+0x91/0x8c0 [ 228.189950] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.194365] fallback_alloc+0x203/0x2e0 [ 228.198332] ____cache_alloc_node+0x1c7/0x1e0 [ 228.202818] kmem_cache_alloc_node+0xe3/0x730 [ 228.207302] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.211532] __alloc_skb+0x119/0x770 [ 228.215235] ? skb_scrub_packet+0x490/0x490 [ 228.219543] ? lock_downgrade+0x900/0x900 [ 228.223860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.229389] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.234832] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.240275] ? addrconf_rs_timer+0x690/0x690 [ 228.244683] ndisc_alloc_skb+0x144/0x340 [ 228.248737] ndisc_send_rs+0x331/0x6e0 [ 228.252620] addrconf_rs_timer+0x314/0x690 [ 228.256842] ? lock_release+0x970/0x970 [ 228.260807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.265540] call_timer_fn+0x272/0x920 [ 228.269419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.273652] ? process_timeout+0x40/0x40 [ 228.277703] ? kasan_check_read+0x11/0x20 [ 228.283664] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.288742] ? trace_hardirqs_on+0x310/0x310 [ 228.293144] ? __run_timers+0x7da/0xc70 [ 228.297107] ? lock_downgrade+0x900/0x900 [ 228.301256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.306346] ? trace_hardirqs_on+0xbd/0x310 [ 228.310658] ? kasan_check_read+0x11/0x20 [ 228.314795] ? __run_timers+0x7da/0xc70 [ 228.318761] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.324199] ? kasan_check_write+0x14/0x20 [ 228.328426] ? do_raw_spin_lock+0xc1/0x200 [ 228.332661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.336885] __run_timers+0x7e5/0xc70 [ 228.340685] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.346038] ? compat_start_thread+0x80/0x80 [ 228.350913] ? dequeue_entity+0x1770/0x1770 [ 228.355225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.360750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.366280] ? kasan_check_write+0x14/0x20 [ 228.370513] ? finish_task_switch+0x2f5/0x900 [ 228.375001] ? __switch_to_asm+0x40/0x70 [ 228.379065] ? preempt_notifier_register+0x200/0x200 [ 228.384154] ? __switch_to_asm+0x34/0x70 [ 228.388205] ? __switch_to_asm+0x40/0x70 [ 228.392252] ? __switch_to_asm+0x34/0x70 [ 228.396299] ? __switch_to_asm+0x40/0x70 [ 228.400348] ? __switch_to_asm+0x34/0x70 [ 228.404395] ? __switch_to_asm+0x40/0x70 [ 228.408457] ? pvclock_read_flags+0x160/0x160 [ 228.412956] ? __schedule+0x874/0x1ed0 [ 228.416831] ? run_rebalance_domains+0x38d/0x500 [ 228.421580] ? trace_hardirqs_on+0xbd/0x310 [ 228.425889] ? kvm_sched_clock_read+0x9/0x20 [ 228.430286] ? run_ksoftirqd+0x94/0x100 [ 228.434742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.440272] ? check_preemption_disabled+0x48/0x200 [ 228.445286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.450818] run_timer_softirq+0x52/0xb0 [ 228.456402] ? __this_cpu_preempt_check+0x1c/0x1f [ 228.461248] __do_softirq+0x30b/0xad8 [ 228.465046] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.470141] ? trace_hardirqs_off+0xb8/0x310 [ 228.481085] ? schedule+0x108/0x460 [ 228.484705] ? __schedule+0x1ed0/0x1ed0 [ 228.488673] ? run_ksoftirqd+0x99/0x100 [ 228.492641] ? trace_hardirqs_off+0xb8/0x310 [ 228.500055] ? ___might_sleep+0x1ed/0x300 [ 228.504211] ? smpboot_thread_fn+0x68b/0xa00 [ 228.508609] ? trace_hardirqs_on+0x310/0x310 [ 228.513010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.518543] ? check_preemption_disabled+0x48/0x200 [ 228.523549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.529090] ? takeover_tasklets+0xa90/0xa90 [ 228.533492] run_ksoftirqd+0x94/0x100 [ 228.537283] smpboot_thread_fn+0x68b/0xa00 [ 228.541522] ? sort_range+0x30/0x30 [ 228.545139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.550231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.555756] ? __kthread_parkme+0xfb/0x1a0 [ 228.559982] kthread+0x35a/0x420 [ 228.563354] ? sort_range+0x30/0x30 [ 228.566972] ? kthread_bind+0x40/0x40 [ 228.570761] ret_from_fork+0x3a/0x50 [ 228.574477] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 228.574526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.581741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.581745] Call Trace: [ 228.581750] [ 228.581776] dump_stack+0x1c4/0x2b4 [ 228.581792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.588746] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.598067] warn_alloc.cold.119+0xb7/0x1bd [ 228.600614] ksoftirqd/1 cpuset= [ 228.602746] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.607676] / [ 228.612853] ? lock_downgrade+0x900/0x900 [ 228.623627] mems_allowed=0 [ 228.627951] ? trace_hardirqs_off+0xb8/0x310 [ 228.649135] ? trace_hardirqs_off+0xb8/0x310 [ 228.653541] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.658385] ? warn_alloc+0x120/0x120 [ 228.662180] ? warn_alloc+0x120/0x120 [ 228.665968] ? warn_alloc+0x120/0x120 [ 228.669776] ? lock_release+0x970/0x970 [ 228.673741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.678923] ? trace_hardirqs_on+0x310/0x310 [ 228.683325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.688855] ? should_fail+0x22d/0xd01 [ 228.692742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.697842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.703367] ? should_fail+0x22d/0xd01 [ 228.707244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.712336] ? should_fail+0x22d/0xd01 [ 228.716215] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.721308] ? mark_held_locks+0x130/0x130 [ 228.725531] ? mark_held_locks+0x130/0x130 [ 228.729752] ? kvm_clock_read+0x18/0x30 [ 228.733715] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 228.738821] ? ktime_get+0x2e1/0x440 [ 228.742525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.748050] ? check_preemption_disabled+0x48/0x200 [ 228.753054] ? kasan_check_read+0x11/0x20 [ 228.757193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.762459] ? rcu_bh_qs+0xc0/0xc0 [ 228.765987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.771514] ? check_preemption_disabled+0x48/0x200 [ 228.776519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 228.781522] ? widen_string+0xe0/0x2e0 [ 228.785422] __alloc_pages_nodemask+0xa80/0xde0 [ 228.790080] ? should_fail+0x22d/0xd01 [ 228.794044] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.799241] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.803914] ? lock_downgrade+0x900/0x900 [ 228.808156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.813690] cache_grow_begin+0x91/0x8c0 [ 228.817741] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.822144] fallback_alloc+0x203/0x2e0 [ 228.826113] ____cache_alloc_node+0x1c7/0x1e0 [ 228.830601] kmem_cache_alloc_node+0xe3/0x730 [ 228.835094] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.839322] __alloc_skb+0x119/0x770 [ 228.843047] ? skb_scrub_packet+0x490/0x490 [ 228.847357] ? lock_downgrade+0x900/0x900 [ 228.851497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.857026] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.862469] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.867912] ? addrconf_rs_timer+0x690/0x690 [ 228.872317] ndisc_alloc_skb+0x144/0x340 [ 228.876370] ndisc_send_rs+0x331/0x6e0 [ 228.880256] addrconf_rs_timer+0x314/0x690 [ 228.884486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.888712] call_timer_fn+0x272/0x920 [ 228.892585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.896807] ? process_timeout+0x40/0x40 [ 228.900865] ? trace_hardirqs_off+0xb8/0x310 [ 228.905260] ? kasan_check_read+0x11/0x20 [ 228.909411] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.913813] ? trace_hardirqs_on+0x310/0x310 [ 228.918215] ? __run_timers+0x7da/0xc70 [ 228.922181] ? lock_downgrade+0x900/0x900 [ 228.926323] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.931418] ? trace_hardirqs_on+0xbd/0x310 [ 228.935724] ? kasan_check_read+0x11/0x20 [ 228.939870] ? __run_timers+0x7da/0xc70 [ 228.943834] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.949274] ? kasan_check_write+0x14/0x20 [ 228.953502] ? do_raw_spin_lock+0xc1/0x200 [ 228.957732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.961959] __run_timers+0x7e5/0xc70 [ 228.965756] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.971110] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.976117] ? timerqueue_add+0x207/0x2b0 [ 228.980260] ? enqueue_hrtimer+0x1a5/0x560 [ 228.984482] ? lock_release+0x970/0x970 [ 228.988449] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.993628] ? kasan_check_write+0x14/0x20 [ 228.997858] ? pvclock_read_flags+0x160/0x160 [ 229.002359] ? lock_downgrade+0x900/0x900 [ 229.006528] ? trace_hardirqs_on+0xbd/0x310 [ 229.010840] ? kvm_sched_clock_read+0x9/0x20 [ 229.015240] ? irq_exit+0x17f/0x1c0 [ 229.018859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.024394] ? check_preemption_disabled+0x48/0x200 [ 229.029410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.034944] run_timer_softirq+0x52/0xb0 [ 229.038996] ? __this_cpu_preempt_check+0x1c/0x1f [ 229.043830] __do_softirq+0x30b/0xad8 [ 229.047627] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.052725] ? pvclock_read_flags+0x160/0x160 [ 229.057211] ? lapic_next_event+0x5a/0x90 [ 229.061350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.066881] ? clockevents_program_event+0x140/0x370 [ 229.071988] ? kvm_clock_read+0x18/0x30 [ 229.075960] ? kvm_sched_clock_read+0x9/0x20 [ 229.080408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.085937] ? check_preemption_disabled+0x48/0x200 [ 229.090955] irq_exit+0x17f/0x1c0 [ 229.094407] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.099237] ? smp_reschedule_interrupt+0x109/0x650 [ 229.104243] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.110116] ? interrupt_entry+0xb5/0xf0 [ 229.114171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.119175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.124180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.129014] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.134021] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.139030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.144560] ? check_preemption_disabled+0x48/0x200 [ 229.149569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.154408] apic_timer_interrupt+0xf/0x20 [ 229.158625] [ 229.160854] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 229.165777] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 229.184670] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 229.192373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 229.199640] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 229.206899] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 229.214157] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 229.221416] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.228685] ? trace_hardirqs_on+0xb4/0x310 [ 229.233007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.238539] skb_clone+0x1bb/0x500 [ 229.242067] ? finish_task_switch+0x2f5/0x900 [ 229.246550] ? skb_split+0x11e0/0x11e0 [ 229.250425] ? preempt_notifier_register+0x200/0x200 [ 229.255513] ? __switch_to_asm+0x34/0x70 [ 229.259562] ? __switch_to_asm+0x34/0x70 [ 229.263607] ? __switch_to_asm+0x40/0x70 [ 229.267674] ? __switch_to_asm+0x34/0x70 [ 229.271725] ? __switch_to_asm+0x40/0x70 [ 229.275774] ? __switch_to_asm+0x34/0x70 [ 229.279823] ? __switch_to_asm+0x40/0x70 [ 229.283874] ? __switch_to_asm+0x34/0x70 [ 229.288026] ? __switch_to_asm+0x34/0x70 [ 229.292092] ? __switch_to_asm+0x40/0x70 [ 229.296139] ? __switch_to_asm+0x34/0x70 [ 229.300189] bpf_clone_redirect+0xb9/0x490 [ 229.304420] ? __schedule+0x874/0x1ed0 [ 229.308296] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 229.313217] ? __sched_text_start+0x8/0x8 [ 229.317362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.322127] ? retint_kernel+0x2d/0x2d [ 229.326008] ? lock_acquire+0x1ed/0x520 [ 229.329971] ? bpf_test_run+0x32e/0x5a0 [ 229.333953] ? lock_release+0x970/0x970 [ 229.337928] ? preempt_schedule+0x4d/0x60 [ 229.342072] ? preempt_schedule_common+0x1f/0xd0 [ 229.346816] ? preempt_schedule+0x4d/0x60 [ 229.350953] ? ___preempt_schedule+0x16/0x18 [ 229.355360] ? bpf_test_run+0x1c0/0x5a0 [ 229.359335] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.363747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.369273] ? bpf_test_init.isra.9+0x70/0x100 [ 229.373866] ? bpf_prog_test_run_skb+0x634/0xb40 [ 229.378614] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.383445] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.388969] ? fput+0x130/0x1a0 [ 229.392238] ? __bpf_prog_get+0x9b/0x290 [ 229.396288] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.401116] ? bpf_prog_test_run+0x130/0x1a0 [ 229.405515] ? __x64_sys_bpf+0x3d8/0x510 [ 229.409566] ? bpf_prog_get+0x20/0x20 [ 229.413375] ? do_syscall_64+0x1b9/0x820 [ 229.417430] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.422784] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.427705] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.432710] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.437713] ? recalc_sigpending_tsk+0x180/0x180 [ 229.442458] ? kasan_check_write+0x14/0x20 [ 229.446684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.451521] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.457724] warn_alloc_show_mem: 1 callbacks suppressed [ 229.457733] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 229.457735] Mem-Info: [ 229.457764] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 229.457764] active_file:16 inactive_file:17 isolated_file:0 [ 229.457764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.457764] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 229.457764] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 229.457764] free:13792 free_pcp:309 free_cma:0 [ 229.463094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.470515] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 229.472901] Call Trace: [ 229.506679] Node 0 [ 229.516034] dump_stack+0x1c4/0x2b4 [ 229.543860] 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 [ 229.546432] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.548633] lowmem_reserve[]: [ 229.552251] warn_alloc.cold.119+0xb7/0x1bd [ 229.577716] 0 [ 229.582895] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.585969] 2819 [ 229.590277] ? lock_downgrade+0x900/0x900 [ 229.592047] 6323 [ 229.597379] ? trace_hardirqs_off+0xb8/0x310 [ 229.599437] 6323 [ 229.599442] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 229.599462] lowmem_reserve[]: 0 0 3503 3503 [ 229.599473] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 229.599493] lowmem_reserve[]: 0 0 0 0 [ 229.599504] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 229.599552] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 229.599605] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 229.599655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 229.599661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 229.599663] 4986 total pagecache pages [ 229.599667] 0 pages in swap cache [ 229.599672] Swap cache stats: add 0, delete 0, find 0/0 [ 229.599675] Free swap = 0kB [ 229.599677] Total swap = 0kB [ 229.599680] 1965979 pages RAM [ 229.599682] 0 pages HighMem/MovableOnly [ 229.599685] 342307 pages reserved [ 229.599687] 0 pages cma reserved [ 229.599730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.599764] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.599768] syz-executor4 cpuset=syz4 mems_allowed=0 [ 229.799050] ? trace_hardirqs_off+0xb8/0x310 [ 229.803457] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.808302] ? warn_alloc+0x120/0x120 [ 229.812103] ? warn_alloc+0x120/0x120 [ 229.815897] ? warn_alloc+0x120/0x120 [ 229.819687] ? mark_held_locks+0x130/0x130 [ 229.823912] ? mark_held_locks+0x130/0x130 [ 229.828136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.833661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.839184] ? should_fail+0x22d/0xd01 [ 229.843061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.848150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.853674] ? should_fail+0x22d/0xd01 [ 229.857552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.862644] ? should_fail+0x22d/0xd01 [ 229.866526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.871619] ? mark_held_locks+0x130/0x130 [ 229.876357] ? mark_held_locks+0x130/0x130 [ 229.880598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.886124] ? trace_hardirqs_off+0xb8/0x310 [ 229.890536] ? kasan_check_read+0x11/0x20 [ 229.894677] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.899076] ? trace_hardirqs_on+0x310/0x310 [ 229.903471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.909515] ? wq_watchdog_touch+0x9c/0xfe [ 229.913740] ? io_serial_in+0x11/0x90 [ 229.920848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.926381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.931500] __alloc_pages_nodemask+0xa80/0xde0 [ 229.936600] ? should_fail+0x22d/0xd01 [ 229.940491] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.945504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.950163] ? lock_downgrade+0x900/0x900 [ 229.954312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.959857] cache_grow_begin+0x91/0x8c0 [ 229.963906] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.968317] fallback_alloc+0x203/0x2e0 [ 229.972285] ____cache_alloc_node+0x1c7/0x1e0 [ 229.976782] kmem_cache_alloc_node+0xe3/0x730 [ 229.981285] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.985522] __alloc_skb+0x119/0x770 [ 229.989226] ? skb_scrub_packet+0x490/0x490 [ 229.993536] ? lock_downgrade+0x900/0x900 [ 229.997681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.003247] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.009202] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.014642] ? addrconf_rs_timer+0x690/0x690 [ 230.019047] ndisc_alloc_skb+0x144/0x340 [ 230.023097] ndisc_send_rs+0x331/0x6e0 [ 230.026977] addrconf_rs_timer+0x314/0x690 [ 230.031292] ? lock_release+0x970/0x970 [ 230.035258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.039493] call_timer_fn+0x272/0x920 [ 230.043368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.047591] ? process_timeout+0x40/0x40 [ 230.051638] ? kasan_check_read+0x11/0x20 [ 230.055779] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.060177] ? trace_hardirqs_on+0x310/0x310 [ 230.064579] ? __run_timers+0x7da/0xc70 [ 230.068730] ? lock_downgrade+0x900/0x900 [ 230.072869] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.077959] ? trace_hardirqs_on+0xbd/0x310 [ 230.082270] ? kasan_check_read+0x11/0x20 [ 230.086415] ? __run_timers+0x7da/0xc70 [ 230.090378] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.095835] ? kasan_check_write+0x14/0x20 [ 230.100057] ? do_raw_spin_lock+0xc1/0x200 [ 230.104289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.108512] __run_timers+0x7e5/0xc70 [ 230.112827] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.118179] ? compat_start_thread+0x80/0x80 [ 230.122570] ? dequeue_entity+0x1770/0x1770 [ 230.127120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.132641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.138169] ? kasan_check_write+0x14/0x20 [ 230.142417] ? finish_task_switch+0x2f5/0x900 [ 230.146898] ? __switch_to_asm+0x40/0x70 [ 230.150952] ? preempt_notifier_register+0x200/0x200 [ 230.156041] ? __switch_to_asm+0x34/0x70 [ 230.160088] ? __switch_to_asm+0x40/0x70 [ 230.164138] ? __switch_to_asm+0x34/0x70 [ 230.168186] ? __switch_to_asm+0x40/0x70 [ 230.172235] ? __switch_to_asm+0x34/0x70 [ 230.176289] ? __switch_to_asm+0x40/0x70 [ 230.180346] ? pvclock_read_flags+0x160/0x160 [ 230.184832] ? __schedule+0x874/0x1ed0 [ 230.190454] ? run_rebalance_domains+0x38d/0x500 [ 230.197464] ? trace_hardirqs_on+0xbd/0x310 [ 230.201775] ? kvm_sched_clock_read+0x9/0x20 [ 230.206175] ? run_ksoftirqd+0x94/0x100 [ 230.210136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.215750] ? check_preemption_disabled+0x48/0x200 [ 230.221230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.226762] run_timer_softirq+0x52/0xb0 [ 230.230814] ? __this_cpu_preempt_check+0x1c/0x1f [ 230.235649] __do_softirq+0x30b/0xad8 [ 230.239446] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.244537] ? trace_hardirqs_off+0xb8/0x310 [ 230.248935] ? schedule+0x108/0x460 [ 230.252636] ? __schedule+0x1ed0/0x1ed0 [ 230.256599] ? run_ksoftirqd+0x99/0x100 [ 230.260562] ? trace_hardirqs_off+0xb8/0x310 [ 230.264961] ? ___might_sleep+0x1ed/0x300 [ 230.269101] ? smpboot_thread_fn+0x68b/0xa00 [ 230.273503] ? trace_hardirqs_on+0x310/0x310 [ 230.277898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.283946] ? check_preemption_disabled+0x48/0x200 [ 230.288956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.294572] ? takeover_tasklets+0xa90/0xa90 [ 230.298973] run_ksoftirqd+0x94/0x100 [ 230.302767] smpboot_thread_fn+0x68b/0xa00 [ 230.306996] ? sort_range+0x30/0x30 [ 230.311100] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.316191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.321719] ? __kthread_parkme+0xfb/0x1a0 [ 230.325944] kthread+0x35a/0x420 [ 230.329311] ? sort_range+0x30/0x30 [ 230.332930] ? kthread_bind+0x40/0x40 [ 230.336719] ret_from_fork+0x3a/0x50 [ 230.340436] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 230.340483] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.347695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.347714] Call Trace: [ 230.354243] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.363513] [ 230.366074] ksoftirqd/1 cpuset= [ 230.376367] dump_stack+0x1c4/0x2b4 [ 230.378480] / [ 230.381761] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.385357] mems_allowed=0 [ 230.387056] warn_alloc.cold.119+0xb7/0x1bd [ 230.399429] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.404293] ? lock_downgrade+0x900/0x900 [ 230.408451] ? trace_hardirqs_off+0xb8/0x310 [ 230.412849] ? trace_hardirqs_off+0xb8/0x310 [ 230.417259] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.422111] ? warn_alloc+0x120/0x120 [ 230.425902] ? warn_alloc+0x120/0x120 [ 230.429691] ? warn_alloc+0x120/0x120 [ 230.433476] ? lock_release+0x970/0x970 [ 230.437438] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.442616] ? trace_hardirqs_on+0x310/0x310 [ 230.447031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.452577] ? should_fail+0x22d/0xd01 [ 230.457755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.462849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.468378] ? should_fail+0x22d/0xd01 [ 230.472265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.477797] ? should_fail+0x22d/0xd01 [ 230.481681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.486779] ? mark_held_locks+0x130/0x130 [ 230.491004] ? mark_held_locks+0x130/0x130 [ 230.496283] ? kvm_clock_read+0x18/0x30 [ 230.500263] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 230.505295] ? ktime_get+0x2e1/0x440 [ 230.510740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.516281] ? check_preemption_disabled+0x48/0x200 [ 230.521298] ? kasan_check_read+0x11/0x20 [ 230.525460] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.530720] ? rcu_bh_qs+0xc0/0xc0 [ 230.534260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.539789] ? check_preemption_disabled+0x48/0x200 [ 230.544792] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 230.549817] ? widen_string+0xe0/0x2e0 [ 230.553702] __alloc_pages_nodemask+0xa80/0xde0 [ 230.558362] ? should_fail+0x22d/0xd01 [ 230.562250] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.567284] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.571941] ? lock_downgrade+0x900/0x900 [ 230.576080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.581610] cache_grow_begin+0x91/0x8c0 [ 230.585660] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.590070] fallback_alloc+0x203/0x2e0 [ 230.594048] ____cache_alloc_node+0x1c7/0x1e0 [ 230.598535] kmem_cache_alloc_node+0xe3/0x730 [ 230.603026] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.607268] __alloc_skb+0x119/0x770 [ 230.610973] ? skb_scrub_packet+0x490/0x490 [ 230.615286] ? lock_downgrade+0x900/0x900 [ 230.619446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.624979] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.630424] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.635861] ? addrconf_rs_timer+0x690/0x690 [ 230.640278] ndisc_alloc_skb+0x144/0x340 [ 230.644329] ndisc_send_rs+0x331/0x6e0 [ 230.648209] addrconf_rs_timer+0x314/0x690 [ 230.652442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.656685] call_timer_fn+0x272/0x920 [ 230.660560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.664786] ? process_timeout+0x40/0x40 [ 230.668839] ? trace_hardirqs_off+0xb8/0x310 [ 230.673243] ? kasan_check_read+0x11/0x20 [ 230.677387] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.681791] ? trace_hardirqs_on+0x310/0x310 [ 230.686191] ? __run_timers+0x7da/0xc70 [ 230.690167] ? lock_downgrade+0x900/0x900 [ 230.694321] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.699413] ? trace_hardirqs_on+0xbd/0x310 [ 230.703721] ? kasan_check_read+0x11/0x20 [ 230.707861] ? __run_timers+0x7da/0xc70 [ 230.711828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.717275] ? kasan_check_write+0x14/0x20 [ 230.721499] ? do_raw_spin_lock+0xc1/0x200 [ 230.725728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.729964] __run_timers+0x7e5/0xc70 [ 230.733762] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.739114] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.744118] ? timerqueue_add+0x207/0x2b0 [ 230.748259] ? enqueue_hrtimer+0x1a5/0x560 [ 230.752481] ? lock_release+0x970/0x970 [ 230.756443] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.761627] ? kasan_check_write+0x14/0x20 [ 230.765857] ? pvclock_read_flags+0x160/0x160 [ 230.770345] ? lock_downgrade+0x900/0x900 [ 230.774487] ? trace_hardirqs_on+0xbd/0x310 [ 230.778796] ? kvm_sched_clock_read+0x9/0x20 [ 230.783194] ? irq_exit+0x17f/0x1c0 [ 230.786815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.792343] ? check_preemption_disabled+0x48/0x200 [ 230.797359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.802974] run_timer_softirq+0x52/0xb0 [ 230.807025] ? __this_cpu_preempt_check+0x1c/0x1f [ 230.811861] __do_softirq+0x30b/0xad8 [ 230.815656] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.820750] ? pvclock_read_flags+0x160/0x160 [ 230.825236] ? lapic_next_event+0x5a/0x90 [ 230.829378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.834904] ? clockevents_program_event+0x140/0x370 [ 230.839999] ? kvm_clock_read+0x18/0x30 [ 230.843962] ? kvm_sched_clock_read+0x9/0x20 [ 230.848359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.853886] ? check_preemption_disabled+0x48/0x200 [ 230.858898] irq_exit+0x17f/0x1c0 [ 230.862340] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.867170] ? smp_reschedule_interrupt+0x109/0x650 [ 230.872174] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.878044] ? interrupt_entry+0xb5/0xf0 [ 230.882094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.887099] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.892104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.896973] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.901979] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.906985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.912510] ? check_preemption_disabled+0x48/0x200 [ 230.917521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.922355] apic_timer_interrupt+0xf/0x20 [ 230.926572] [ 230.928800] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 230.933719] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 230.952610] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.960314] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 230.967571] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 230.974830] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 230.982088] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 230.989349] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 230.996754] ? trace_hardirqs_on+0xb4/0x310 [ 231.001087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.006612] skb_clone+0x1bb/0x500 [ 231.010154] ? finish_task_switch+0x2f5/0x900 [ 231.014637] ? skb_split+0x11e0/0x11e0 [ 231.018518] ? preempt_notifier_register+0x200/0x200 [ 231.023612] ? __switch_to_asm+0x34/0x70 [ 231.027660] ? __switch_to_asm+0x34/0x70 [ 231.031707] ? __switch_to_asm+0x40/0x70 [ 231.035757] ? __switch_to_asm+0x34/0x70 [ 231.039808] ? __switch_to_asm+0x40/0x70 [ 231.043854] ? __switch_to_asm+0x34/0x70 [ 231.047913] ? __switch_to_asm+0x40/0x70 [ 231.051970] ? __switch_to_asm+0x34/0x70 [ 231.056034] ? __switch_to_asm+0x34/0x70 [ 231.060083] ? __switch_to_asm+0x40/0x70 [ 231.064133] ? __switch_to_asm+0x34/0x70 [ 231.068189] bpf_clone_redirect+0xb9/0x490 [ 231.072421] ? __schedule+0x874/0x1ed0 [ 231.076300] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 231.081229] ? __sched_text_start+0x8/0x8 [ 231.085368] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.090117] ? retint_kernel+0x2d/0x2d [ 231.094118] ? lock_acquire+0x1ed/0x520 [ 231.098083] ? bpf_test_run+0x32e/0x5a0 [ 231.102051] ? lock_release+0x970/0x970 [ 231.106017] ? preempt_schedule+0x4d/0x60 [ 231.110155] ? preempt_schedule_common+0x1f/0xd0 [ 231.115364] ? preempt_schedule+0x4d/0x60 [ 231.119504] ? ___preempt_schedule+0x16/0x18 [ 231.123905] ? bpf_test_run+0x1c0/0x5a0 [ 231.127873] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.132275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.137803] ? bpf_test_init.isra.9+0x70/0x100 [ 231.142377] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.147123] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.151953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.157476] ? fput+0x130/0x1a0 [ 231.160757] ? __bpf_prog_get+0x9b/0x290 [ 231.164808] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.169638] ? bpf_prog_test_run+0x130/0x1a0 [ 231.174058] ? __x64_sys_bpf+0x3d8/0x510 [ 231.178112] ? bpf_prog_get+0x20/0x20 [ 231.181908] ? do_syscall_64+0x1b9/0x820 [ 231.185960] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.191314] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.196239] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.201245] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.206252] ? recalc_sigpending_tsk+0x180/0x180 [ 231.210999] ? kasan_check_write+0x14/0x20 [ 231.215236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.220069] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.225432] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 231.225437] warn_alloc_show_mem: 1 callbacks suppressed [ 231.225442] Mem-Info: [ 231.232269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.237625] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 231.237625] active_file:16 inactive_file:17 isolated_file:0 [ 231.237625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.237625] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 231.237625] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 231.237625] free:13792 free_pcp:309 free_cma:0 [ 231.240009] Call Trace: [ 231.249379] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 231.282400] dump_stack+0x1c4/0x2b4 [ 231.284952] Node 0 [ 231.313389] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.317003] 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 [ 231.319213] warn_alloc.cold.119+0xb7/0x1bd [ 231.324371] lowmem_reserve[]: [ 231.350419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.354704] 0 2819 [ 231.357803] ? lock_downgrade+0x900/0x900 [ 231.362614] 6323 [ 231.364837] ? trace_hardirqs_off+0xb8/0x310 [ 231.368951] 6323 [ 231.370999] ? trace_hardirqs_off+0xb8/0x310 [ 231.377421] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.381794] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 231.386641] ? warn_alloc+0x120/0x120 [ 231.386656] ? warn_alloc+0x120/0x120 [ 231.414334] lowmem_reserve[]: [ 231.418615] ? warn_alloc+0x120/0x120 [ 231.422382] 0 [ 231.425474] ? mark_held_locks+0x130/0x130 [ 231.429244] 0 [ 231.431030] ? mark_held_locks+0x130/0x130 [ 231.435229] 3503 [ 231.437015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.441218] 3503 [ 231.443264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.450815] ? should_fail+0x22d/0xd01 [ 231.459721] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 231.463627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.463644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.493345] lowmem_reserve[]: [ 231.498449] ? should_fail+0x22d/0xd01 [ 231.503948] 0 [ 231.507042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.510892] 0 0 [ 231.512691] ? should_fail+0x22d/0xd01 [ 231.517759] 0 [ 231.519725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.523577] Node 0 [ 231.525367] ? mark_held_locks+0x130/0x130 [ 231.530428] DMA: 1*4kB [ 231.532654] ? mark_held_locks+0x130/0x130 [ 231.536858] (U) [ 231.539429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.543718] 0*8kB [ 231.545678] ? trace_hardirqs_off+0xb8/0x310 [ 231.551187] 0*16kB [ 231.553321] ? kasan_check_read+0x11/0x20 [ 231.557694] 1*32kB [ 231.559914] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.564028] (U) [ 231.566250] ? trace_hardirqs_on+0x310/0x310 [ 231.570623] 2*64kB [ 231.572586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.576960] (U) [ 231.579206] ? wq_watchdog_touch+0x9c/0xfe [ 231.579223] ? io_serial_in+0x11/0x90 [ 231.584731] 1*128kB [ 231.586695] ? retint_kernel+0x2d/0x2d [ 231.590979] (U) [ 231.594764] ? trace_hardirqs_on_caller+0xc0/0x310 [ 231.597054] 1*256kB [ 231.600926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.602867] (U) [ 231.607777] ? trace_hardirqs_off+0x310/0x310 [ 231.610070] 0*512kB [ 231.614799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.614817] __alloc_pages_nodemask+0xa80/0xde0 [ 231.616762] 1*1024kB [ 231.621243] ? should_fail+0x22d/0xd01 [ 231.623534] (U) [ 231.628623] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.633265] 1*2048kB [ 231.635667] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.639516] (M) [ 231.641474] ? lock_downgrade+0x900/0x900 [ 231.646457] 3*4096kB [ 231.648851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.653487] (M) [ 231.655447] cache_grow_begin+0x91/0x8c0 [ 231.659568] = 15908kB [ 231.662461] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.667962] Node 0 [ 231.669925] fallback_alloc+0x203/0x2e0 [ 231.673953] DMA32: [ 231.676348] ____cache_alloc_node+0x1c7/0x1e0 [ 231.680723] 6*4kB [ 231.682947] kmem_cache_alloc_node+0xe3/0x730 [ 231.686895] (UME) [ 231.689594] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.694061] 2*8kB [ 231.696200] __alloc_skb+0x119/0x770 [ 231.700661] (UE) [ 231.702797] ? skb_scrub_packet+0x490/0x490 [ 231.707000] 4*16kB [ 231.709135] ? lock_downgrade+0x900/0x900 [ 231.712819] (UME) [ 231.714867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.719163] 4*32kB [ 231.721384] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.725498] (UME) [ 231.727632] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.733136] 5*64kB [ 231.735364] ? addrconf_rs_timer+0x690/0x690 [ 231.740780] (ME) [ 231.742920] ndisc_alloc_skb+0x144/0x340 [ 231.748332] 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 231.748371] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 231.748443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.748452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.748455] 4986 total pagecache pages [ 231.748462] 0 pages in swap cache [ 231.748469] Swap cache stats: add 0, delete 0, find 0/0 [ 231.748472] Free swap = 0kB [ 231.748476] Total swap = 0kB [ 231.748480] 1965979 pages RAM [ 231.748484] 0 pages HighMem/MovableOnly [ 231.748487] 342307 pages reserved [ 231.748491] 0 pages cma reserved [ 231.748544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.748670] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.748675] syz-executor4 cpuset=syz4 mems_allowed=0 [ 231.750914] ndisc_send_rs+0x331/0x6e0 [ 231.865556] addrconf_rs_timer+0x314/0x690 [ 231.869778] ? lock_release+0x970/0x970 [ 231.873754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.877986] call_timer_fn+0x272/0x920 [ 231.881861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.886086] ? process_timeout+0x40/0x40 [ 231.890146] ? kasan_check_read+0x11/0x20 [ 231.894796] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.901598] ? trace_hardirqs_on+0x310/0x310 [ 231.905997] ? __run_timers+0x7da/0xc70 [ 231.909960] ? lock_downgrade+0x900/0x900 [ 231.914098] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.919661] ? trace_hardirqs_on+0xbd/0x310 [ 231.923971] ? kasan_check_read+0x11/0x20 [ 231.928107] ? __run_timers+0x7da/0xc70 [ 231.932078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.937516] ? kasan_check_write+0x14/0x20 [ 231.941742] ? do_raw_spin_lock+0xc1/0x200 [ 231.945970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.950196] __run_timers+0x7e5/0xc70 [ 231.954483] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.959834] ? compat_start_thread+0x80/0x80 [ 231.964735] ? dequeue_entity+0x1770/0x1770 [ 231.969046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.974592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.980119] ? kasan_check_write+0x14/0x20 [ 231.984351] ? finish_task_switch+0x2f5/0x900 [ 231.988831] ? __switch_to_asm+0x40/0x70 [ 231.992885] ? preempt_notifier_register+0x200/0x200 [ 231.997975] ? __switch_to_asm+0x34/0x70 [ 232.002021] ? __switch_to_asm+0x40/0x70 [ 232.006070] ? __switch_to_asm+0x34/0x70 [ 232.010126] ? __switch_to_asm+0x40/0x70 [ 232.014174] ? __switch_to_asm+0x34/0x70 [ 232.018222] ? __switch_to_asm+0x40/0x70 [ 232.022280] ? pvclock_read_flags+0x160/0x160 [ 232.026767] ? __schedule+0x874/0x1ed0 [ 232.030649] ? run_rebalance_domains+0x38d/0x500 [ 232.035397] ? trace_hardirqs_on+0xbd/0x310 [ 232.039708] ? kvm_sched_clock_read+0x9/0x20 [ 232.044106] ? run_ksoftirqd+0x94/0x100 [ 232.048074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.054082] ? check_preemption_disabled+0x48/0x200 [ 232.059090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.064624] run_timer_softirq+0x52/0xb0 [ 232.068766] ? __this_cpu_preempt_check+0x1c/0x1f [ 232.073597] __do_softirq+0x30b/0xad8 [ 232.077391] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.082483] ? trace_hardirqs_off+0xb8/0x310 [ 232.086886] ? schedule+0x108/0x460 [ 232.090505] ? __schedule+0x1ed0/0x1ed0 [ 232.094467] ? run_ksoftirqd+0x99/0x100 [ 232.098448] ? trace_hardirqs_off+0xb8/0x310 [ 232.102846] ? ___might_sleep+0x1ed/0x300 [ 232.106982] ? smpboot_thread_fn+0x68b/0xa00 [ 232.111379] ? trace_hardirqs_on+0x310/0x310 [ 232.116475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.122002] ? check_preemption_disabled+0x48/0x200 [ 232.127003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.132529] ? takeover_tasklets+0xa90/0xa90 [ 232.136927] run_ksoftirqd+0x94/0x100 [ 232.140716] smpboot_thread_fn+0x68b/0xa00 [ 232.144937] ? sort_range+0x30/0x30 [ 232.148557] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.153649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.159675] ? __kthread_parkme+0xfb/0x1a0 [ 232.163900] kthread+0x35a/0x420 [ 232.167257] ? sort_range+0x30/0x30 [ 232.170871] ? kthread_bind+0x40/0x40 [ 232.174665] ret_from_fork+0x3a/0x50 [ 232.178379] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 232.178442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.185641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.185645] Call Trace: [ 232.185650] [ 232.185663] dump_stack+0x1c4/0x2b4 [ 232.185679] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.192206] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.201493] ? trace_hardirqs_on+0x310/0x310 [ 232.204048] ksoftirqd/1 cpuset= [ 232.206184] warn_alloc.cold.119+0xb7/0x1bd [ 232.209774] / [ 232.214946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.225227] mems_allowed=0 [ 232.229618] ? lock_downgrade+0x900/0x900 [ 232.250948] ? trace_hardirqs_off+0xb8/0x310 [ 232.255348] ? trace_hardirqs_off+0xb8/0x310 [ 232.259754] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.264598] ? warn_alloc+0x120/0x120 [ 232.268392] ? warn_alloc+0x120/0x120 [ 232.272193] ? warn_alloc+0x120/0x120 [ 232.275979] ? lock_release+0x970/0x970 [ 232.280456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.285638] ? trace_hardirqs_on+0x310/0x310 [ 232.290038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.295565] ? should_fail+0x22d/0xd01 [ 232.299442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.304534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.310062] ? should_fail+0x22d/0xd01 [ 232.313939] ? ring_buffer_nest_end+0xd0/0xd0 [ 232.318422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.323532] ? should_fail+0x22d/0xd01 [ 232.327426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.332540] ? mark_held_locks+0x130/0x130 [ 232.336779] ? mark_held_locks+0x130/0x130 [ 232.341003] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.346529] ? try_to_wake_up+0x10a/0x12f0 [ 232.350756] ? lock_downgrade+0x900/0x900 [ 232.354893] ? lock_downgrade+0x900/0x900 [ 232.359135] ? trace_hardirqs_off+0xb8/0x310 [ 232.363532] ? kasan_check_read+0x11/0x20 [ 232.367672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.372069] ? trace_hardirqs_on+0x310/0x310 [ 232.376474] ? kasan_check_write+0x14/0x20 [ 232.380715] ? do_raw_spin_lock+0xc1/0x200 [ 232.384946] __alloc_pages_nodemask+0xa80/0xde0 [ 232.389603] ? should_fail+0x22d/0xd01 [ 232.393482] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.398508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.403164] ? lock_downgrade+0x900/0x900 [ 232.407307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.412833] cache_grow_begin+0x91/0x8c0 [ 232.416882] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.421284] fallback_alloc+0x203/0x2e0 [ 232.425252] ____cache_alloc_node+0x1c7/0x1e0 [ 232.429738] kmem_cache_alloc_node+0xe3/0x730 [ 232.434225] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.438451] __alloc_skb+0x119/0x770 [ 232.442157] ? skb_scrub_packet+0x490/0x490 [ 232.446470] ? lock_downgrade+0x900/0x900 [ 232.450615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.457266] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.462710] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.468152] ? addrconf_rs_timer+0x690/0x690 [ 232.474127] ndisc_alloc_skb+0x144/0x340 [ 232.478185] ndisc_send_rs+0x331/0x6e0 [ 232.482064] addrconf_rs_timer+0x314/0x690 [ 232.486301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.490532] call_timer_fn+0x272/0x920 [ 232.494407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.498636] ? process_timeout+0x40/0x40 [ 232.502685] ? trace_hardirqs_off+0xb8/0x310 [ 232.507089] ? kasan_check_read+0x11/0x20 [ 232.511233] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.515630] ? trace_hardirqs_on+0x310/0x310 [ 232.520030] ? __run_timers+0x7da/0xc70 [ 232.523996] ? lock_downgrade+0x900/0x900 [ 232.528137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.533229] ? trace_hardirqs_on+0xbd/0x310 [ 232.537536] ? kasan_check_read+0x11/0x20 [ 232.541671] ? __run_timers+0x7da/0xc70 [ 232.545632] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.551080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.556612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.560834] __run_timers+0x7e5/0xc70 [ 232.564632] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.569986] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.574994] ? timerqueue_add+0x207/0x2b0 [ 232.579137] ? enqueue_hrtimer+0x1a5/0x560 [ 232.583463] ? lock_release+0x970/0x970 [ 232.587427] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.592657] ? kasan_check_write+0x14/0x20 [ 232.596885] ? pvclock_read_flags+0x160/0x160 [ 232.601370] ? lock_downgrade+0x900/0x900 [ 232.605511] ? trace_hardirqs_on+0xbd/0x310 [ 232.609819] ? kvm_sched_clock_read+0x9/0x20 [ 232.614218] ? irq_exit+0x17f/0x1c0 [ 232.617847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.623374] ? check_preemption_disabled+0x48/0x200 [ 232.628379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.633909] run_timer_softirq+0x52/0xb0 [ 232.637959] ? __this_cpu_preempt_check+0x1c/0x1f [ 232.642794] __do_softirq+0x30b/0xad8 [ 232.646607] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.651701] ? pvclock_read_flags+0x160/0x160 [ 232.656186] ? lapic_next_event+0x5a/0x90 [ 232.660322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.665848] ? clockevents_program_event+0x140/0x370 [ 232.670945] ? kvm_clock_read+0x18/0x30 [ 232.674911] ? kvm_sched_clock_read+0x9/0x20 [ 232.679319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.684852] ? check_preemption_disabled+0x48/0x200 [ 232.689870] irq_exit+0x17f/0x1c0 [ 232.693333] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.698167] ? smp_reschedule_interrupt+0x109/0x650 [ 232.703177] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.709049] ? interrupt_entry+0xb5/0xf0 [ 232.713112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.718124] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.723131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.727964] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.732970] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.737975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.743590] ? check_preemption_disabled+0x48/0x200 [ 232.748603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.753439] apic_timer_interrupt+0xf/0x20 [ 232.757658] [ 232.759897] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 232.764832] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 232.783731] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 232.791431] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 232.798689] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 232.805946] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 232.813201] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 232.821325] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 232.828599] ? trace_hardirqs_on+0xb4/0x310 [ 232.832915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.838445] skb_clone+0x1bb/0x500 [ 232.841976] ? finish_task_switch+0x2f5/0x900 [ 232.846461] ? skb_split+0x11e0/0x11e0 [ 232.850352] ? preempt_notifier_register+0x200/0x200 [ 232.855445] ? __switch_to_asm+0x34/0x70 [ 232.859493] ? __switch_to_asm+0x34/0x70 [ 232.863539] ? __switch_to_asm+0x40/0x70 [ 232.867587] ? __switch_to_asm+0x34/0x70 [ 232.871634] ? __switch_to_asm+0x40/0x70 [ 232.875682] ? __switch_to_asm+0x34/0x70 [ 232.879730] ? __switch_to_asm+0x40/0x70 [ 232.883778] ? __switch_to_asm+0x34/0x70 [ 232.887839] ? __switch_to_asm+0x34/0x70 [ 232.892012] ? __switch_to_asm+0x40/0x70 [ 232.896113] ? __switch_to_asm+0x34/0x70 [ 232.900193] bpf_clone_redirect+0xb9/0x490 [ 232.904418] ? __schedule+0x874/0x1ed0 [ 232.908388] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 232.913310] ? __sched_text_start+0x8/0x8 [ 232.917447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.922193] ? retint_kernel+0x2d/0x2d [ 232.926082] ? lock_acquire+0x1ed/0x520 [ 232.930054] ? bpf_test_run+0x32e/0x5a0 [ 232.934023] ? lock_release+0x970/0x970 [ 232.937994] ? preempt_schedule+0x4d/0x60 [ 232.942147] ? preempt_schedule_common+0x1f/0xd0 [ 232.946890] ? preempt_schedule+0x4d/0x60 [ 232.951026] ? ___preempt_schedule+0x16/0x18 [ 232.955431] ? bpf_test_run+0x1c0/0x5a0 [ 232.959396] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.963797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.969323] ? bpf_test_init.isra.9+0x70/0x100 [ 232.973893] ? bpf_prog_test_run_skb+0x634/0xb40 [ 232.978641] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.983475] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.989013] ? fput+0x130/0x1a0 [ 232.992459] ? __bpf_prog_get+0x9b/0x290 [ 232.996525] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.001353] ? bpf_prog_test_run+0x130/0x1a0 [ 233.005755] ? __x64_sys_bpf+0x3d8/0x510 [ 233.009802] ? bpf_prog_get+0x20/0x20 [ 233.013687] ? do_syscall_64+0x1b9/0x820 [ 233.017739] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.023093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.028016] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.033024] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.038046] ? recalc_sigpending_tsk+0x180/0x180 [ 233.042809] ? kasan_check_write+0x14/0x20 [ 233.047044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.051886] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.057245] warn_alloc_show_mem: 1 callbacks suppressed [ 233.057254] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 233.057256] Mem-Info: [ 233.057284] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 233.057284] active_file:16 inactive_file:17 isolated_file:0 [ 233.057284] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.057284] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 233.057284] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 233.057284] free:13792 free_pcp:309 free_cma:0 [ 233.062613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.062619] Call Trace: [ 233.069452] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.071843] dump_stack+0x1c4/0x2b4 [ 233.104861] Node 0 [ 233.114730] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.117321] 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 [ 233.145978] warn_alloc.cold.119+0xb7/0x1bd [ 233.149568] lowmem_reserve[]: [ 233.151789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.156944] 0 [ 233.182621] ? lock_downgrade+0x900/0x900 [ 233.186911] 2819 [ 233.189999] ? trace_hardirqs_off+0xb8/0x310 [ 233.194805] 6323 [ 233.196591] ? trace_hardirqs_off+0xb8/0x310 [ 233.200701] 6323 [ 233.202759] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.207134] Node 0 [ 233.209190] ? warn_alloc+0x120/0x120 [ 233.213582] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 233.215606] ? warn_alloc+0x120/0x120 [ 233.220419] lowmem_reserve[]: [ 233.222640] ? warn_alloc+0x120/0x120 [ 233.226402] 0 0 [ 233.253965] ? mark_held_locks+0x130/0x130 [ 233.257833] 3503 [ 233.262106] ? mark_held_locks+0x130/0x130 [ 233.265898] 3503 [ 233.267862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.274111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.278309] Node 0 [ 233.280356] ? should_fail+0x22d/0xd01 [ 233.285896] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 233.291397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.293612] lowmem_reserve[]: [ 233.297483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.325815] 0 [ 233.330902] ? should_fail+0x22d/0xd01 [ 233.333976] 0 [ 233.339494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.341265] 0 [ 233.345135] ? should_fail+0x22d/0xd01 [ 233.346904] 0 [ 233.351989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.357628] ? mark_held_locks+0x130/0x130 [ 233.359397] Node 0 [ 233.364490] ? mark_held_locks+0x130/0x130 [ 233.368695] DMA: [ 233.370919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.375122] 1*4kB [ 233.377193] ? trace_hardirqs_off+0xb8/0x310 [ 233.382806] (U) [ 233.384958] ? kasan_check_read+0x11/0x20 [ 233.389333] 0*8kB [ 233.391295] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.395410] 0*16kB [ 233.397545] ? trace_hardirqs_on+0x310/0x310 [ 233.401919] 1*32kB [ 233.404141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.408516] (U) [ 233.410739] ? wq_watchdog_touch+0x9c/0xfe [ 233.416244] 2*64kB [ 233.418203] ? io_serial_in+0x11/0x90 [ 233.422415] (U) [ 233.424634] ? retint_kernel+0x2d/0x2d [ 233.428402] 1*128kB [ 233.430363] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.434217] (U) [ 233.436522] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.441418] 1*256kB [ 233.443378] ? trace_hardirqs_off+0x310/0x310 [ 233.448099] (U) [ 233.450417] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.450437] __alloc_pages_nodemask+0xa80/0xde0 [ 233.458294] 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 233.458313] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 233.458429] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 233.458615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.458620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 233.458623] 4986 total pagecache pages [ 233.458627] 0 pages in swap cache [ 233.458683] Swap cache stats: add 0, delete 0, find 0/0 [ 233.458686] Free swap = 0kB [ 233.458688] Total swap = 0kB [ 233.458692] 1965979 pages RAM [ 233.458694] 0 pages HighMem/MovableOnly [ 233.458696] 342307 pages reserved [ 233.458699] 0 pages cma reserved [ 233.458882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.459031] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.459063] syz-executor4 cpuset=syz4 mems_allowed=0 [ 233.587105] ? should_fail+0x22d/0xd01 [ 233.591000] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.596488] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.601150] ? lock_downgrade+0x900/0x900 [ 233.605289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.610827] cache_grow_begin+0x91/0x8c0 [ 233.614876] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.619278] fallback_alloc+0x203/0x2e0 [ 233.623242] ____cache_alloc_node+0x1c7/0x1e0 [ 233.627732] kmem_cache_alloc_node+0xe3/0x730 [ 233.632233] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.636465] __alloc_skb+0x119/0x770 [ 233.640172] ? skb_scrub_packet+0x490/0x490 [ 233.644589] ? lock_downgrade+0x900/0x900 [ 233.648732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.654259] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.660164] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.665694] ? addrconf_rs_timer+0x690/0x690 [ 233.670113] ndisc_alloc_skb+0x144/0x340 [ 233.674169] ndisc_send_rs+0x331/0x6e0 [ 233.678048] addrconf_rs_timer+0x314/0x690 [ 233.682272] ? lock_release+0x970/0x970 [ 233.686245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.690580] call_timer_fn+0x272/0x920 [ 233.695149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.699513] ? process_timeout+0x40/0x40 [ 233.703570] ? kasan_check_read+0x11/0x20 [ 233.708151] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.712550] ? trace_hardirqs_on+0x310/0x310 [ 233.717040] ? __run_timers+0x7da/0xc70 [ 233.721007] ? lock_downgrade+0x900/0x900 [ 233.725168] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.731614] ? trace_hardirqs_on+0xbd/0x310 [ 233.736363] ? kasan_check_read+0x11/0x20 [ 233.740510] ? __run_timers+0x7da/0xc70 [ 233.744475] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.749915] ? kasan_check_write+0x14/0x20 [ 233.754143] ? do_raw_spin_lock+0xc1/0x200 [ 233.758372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.762595] __run_timers+0x7e5/0xc70 [ 233.766392] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.772231] ? compat_start_thread+0x80/0x80 [ 233.776631] ? dequeue_entity+0x1770/0x1770 [ 233.780943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.786474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.792005] ? kasan_check_write+0x14/0x20 [ 233.796661] ? finish_task_switch+0x2f5/0x900 [ 233.801148] ? __switch_to_asm+0x40/0x70 [ 233.805202] ? preempt_notifier_register+0x200/0x200 [ 233.810293] ? __switch_to_asm+0x34/0x70 [ 233.814340] ? __switch_to_asm+0x40/0x70 [ 233.818386] ? __switch_to_asm+0x34/0x70 [ 233.822433] ? __switch_to_asm+0x40/0x70 [ 233.826486] ? __switch_to_asm+0x34/0x70 [ 233.830541] ? __switch_to_asm+0x40/0x70 [ 233.834598] ? pvclock_read_flags+0x160/0x160 [ 233.839088] ? __schedule+0x874/0x1ed0 [ 233.842973] ? run_rebalance_domains+0x38d/0x500 [ 233.847725] ? trace_hardirqs_on+0xbd/0x310 [ 233.852043] ? kvm_sched_clock_read+0x9/0x20 [ 233.856450] ? run_ksoftirqd+0x94/0x100 [ 233.860420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.865947] ? check_preemption_disabled+0x48/0x200 [ 233.870958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.876500] run_timer_softirq+0x52/0xb0 [ 233.880556] ? __this_cpu_preempt_check+0x1c/0x1f [ 233.885390] __do_softirq+0x30b/0xad8 [ 233.889194] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.894284] ? trace_hardirqs_off+0xb8/0x310 [ 233.898687] ? schedule+0x108/0x460 [ 233.902305] ? __schedule+0x1ed0/0x1ed0 [ 233.906270] ? run_ksoftirqd+0x99/0x100 [ 233.910237] ? trace_hardirqs_off+0xb8/0x310 [ 233.914635] ? ___might_sleep+0x1ed/0x300 [ 233.918783] ? smpboot_thread_fn+0x68b/0xa00 [ 233.923181] ? trace_hardirqs_on+0x310/0x310 [ 233.927580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.933110] ? check_preemption_disabled+0x48/0x200 [ 233.938114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.943646] ? takeover_tasklets+0xa90/0xa90 [ 233.948528] run_ksoftirqd+0x94/0x100 [ 233.953674] smpboot_thread_fn+0x68b/0xa00 [ 233.958471] ? sort_range+0x30/0x30 [ 233.962112] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.967658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.973183] ? __kthread_parkme+0xfb/0x1a0 [ 233.977408] kthread+0x35a/0x420 [ 233.980760] ? sort_range+0x30/0x30 [ 233.984392] ? kthread_bind+0x40/0x40 [ 233.988181] ret_from_fork+0x3a/0x50 [ 233.991894] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 233.991964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.999157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.999160] Call Trace: [ 233.999163] [ 233.999175] dump_stack+0x1c4/0x2b4 [ 233.999185] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.999198] warn_alloc.cold.119+0xb7/0x1bd [ 233.999207] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.999216] ? lock_downgrade+0x900/0x900 [ 233.999225] ? trace_hardirqs_off+0xb8/0x310 [ 233.999234] ? trace_hardirqs_off+0xb8/0x310 [ 233.999244] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.999260] ? warn_alloc+0x120/0x120 [ 233.999268] ? warn_alloc+0x120/0x120 [ 233.999277] ? warn_alloc+0x120/0x120 [ 233.999283] ? lock_release+0x970/0x970 [ 233.999291] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.999299] ? trace_hardirqs_on+0x310/0x310 [ 233.999308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.999316] ? should_fail+0x22d/0xd01 [ 233.999325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.999332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.999339] ? should_fail+0x22d/0xd01 [ 233.999348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.999354] ? should_fail+0x22d/0xd01 [ 233.999363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.999371] ? mark_held_locks+0x130/0x130 [ 233.999379] ? mark_held_locks+0x130/0x130 [ 233.999388] ? kvm_clock_read+0x18/0x30 [ 233.999396] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 233.999402] ? ktime_get+0x2e1/0x440 [ 233.999409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.999418] ? check_preemption_disabled+0x48/0x200 [ 233.999427] ? kasan_check_read+0x11/0x20 [ 233.999437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.999444] ? rcu_bh_qs+0xc0/0xc0 [ 233.999452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.999460] ? check_preemption_disabled+0x48/0x200 [ 233.999467] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 233.999473] ? widen_string+0xe0/0x2e0 [ 233.999486] __alloc_pages_nodemask+0xa80/0xde0 [ 233.999495] ? should_fail+0x22d/0xd01 [ 233.999510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.006051] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.015342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.017901] ksoftirqd/1 cpuset= [ 234.020037] ? lock_downgrade+0x900/0x900 [ 234.023628] / [ 234.028803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.033100] mems_allowed=0 [ 234.037924] cache_grow_begin+0x91/0x8c0 [ 234.233817] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.238222] fallback_alloc+0x203/0x2e0 [ 234.242796] ____cache_alloc_node+0x1c7/0x1e0 [ 234.247286] kmem_cache_alloc_node+0xe3/0x730 [ 234.251769] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.255996] __alloc_skb+0x119/0x770 [ 234.259703] ? skb_scrub_packet+0x490/0x490 [ 234.264013] ? lock_downgrade+0x900/0x900 [ 234.268152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.273678] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.279347] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.284794] ? addrconf_rs_timer+0x690/0x690 [ 234.289202] ndisc_alloc_skb+0x144/0x340 [ 234.293257] ndisc_send_rs+0x331/0x6e0 [ 234.297140] addrconf_rs_timer+0x314/0x690 [ 234.301366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.305599] call_timer_fn+0x272/0x920 [ 234.309478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.313705] ? process_timeout+0x40/0x40 [ 234.317755] ? trace_hardirqs_off+0xb8/0x310 [ 234.322161] ? kasan_check_read+0x11/0x20 [ 234.326302] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.330699] ? trace_hardirqs_on+0x310/0x310 [ 234.335099] ? __run_timers+0x7da/0xc70 [ 234.339063] ? lock_downgrade+0x900/0x900 [ 234.343210] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.348297] ? trace_hardirqs_on+0xbd/0x310 [ 234.352605] ? kasan_check_read+0x11/0x20 [ 234.356742] ? __run_timers+0x7da/0xc70 [ 234.360706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.366160] ? kasan_check_write+0x14/0x20 [ 234.370387] ? do_raw_spin_lock+0xc1/0x200 [ 234.374619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.378845] __run_timers+0x7e5/0xc70 [ 234.382641] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.387993] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.392999] ? timerqueue_add+0x207/0x2b0 [ 234.397136] ? enqueue_hrtimer+0x1a5/0x560 [ 234.401359] ? lock_release+0x970/0x970 [ 234.405323] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.410504] ? kasan_check_write+0x14/0x20 [ 234.414732] ? pvclock_read_flags+0x160/0x160 [ 234.419235] ? lock_downgrade+0x900/0x900 [ 234.423373] ? trace_hardirqs_on+0xbd/0x310 [ 234.427679] ? kvm_sched_clock_read+0x9/0x20 [ 234.432081] ? irq_exit+0x17f/0x1c0 [ 234.435702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.441228] ? check_preemption_disabled+0x48/0x200 [ 234.446235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.451784] run_timer_softirq+0x52/0xb0 [ 234.457288] ? __this_cpu_preempt_check+0x1c/0x1f [ 234.462129] __do_softirq+0x30b/0xad8 [ 234.466285] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.471381] ? pvclock_read_flags+0x160/0x160 [ 234.475863] ? lapic_next_event+0x5a/0x90 [ 234.480000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.485526] ? clockevents_program_event+0x140/0x370 [ 234.490622] ? kvm_clock_read+0x18/0x30 [ 234.494582] ? kvm_sched_clock_read+0x9/0x20 [ 234.498983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.504509] ? check_preemption_disabled+0x48/0x200 [ 234.509522] irq_exit+0x17f/0x1c0 [ 234.512970] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.517891] ? smp_reschedule_interrupt+0x109/0x650 [ 234.522914] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.528795] ? interrupt_entry+0xb5/0xf0 [ 234.532845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.537854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.542860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.547694] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.552700] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.557708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.563234] ? check_preemption_disabled+0x48/0x200 [ 234.568243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.573083] apic_timer_interrupt+0xf/0x20 [ 234.577300] [ 234.579529] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.584453] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 234.603343] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 234.611043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 234.618300] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 234.625573] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 234.632834] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 234.640091] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.647362] ? trace_hardirqs_on+0xb4/0x310 [ 234.651683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.657214] skb_clone+0x1bb/0x500 [ 234.660744] ? finish_task_switch+0x2f5/0x900 [ 234.665227] ? skb_split+0x11e0/0x11e0 [ 234.669105] ? preempt_notifier_register+0x200/0x200 [ 234.674195] ? __switch_to_asm+0x34/0x70 [ 234.678259] ? __switch_to_asm+0x34/0x70 [ 234.682309] ? __switch_to_asm+0x40/0x70 [ 234.686358] ? __switch_to_asm+0x34/0x70 [ 234.690420] ? __switch_to_asm+0x40/0x70 [ 234.694477] ? __switch_to_asm+0x34/0x70 [ 234.698523] ? __switch_to_asm+0x40/0x70 [ 234.702585] ? __switch_to_asm+0x34/0x70 [ 234.706654] ? __switch_to_asm+0x34/0x70 [ 234.710720] ? __switch_to_asm+0x40/0x70 [ 234.714772] ? __switch_to_asm+0x34/0x70 [ 234.718826] bpf_clone_redirect+0xb9/0x490 [ 234.723058] ? __schedule+0x874/0x1ed0 [ 234.726942] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 234.731864] ? __sched_text_start+0x8/0x8 [ 234.736016] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.740880] ? retint_kernel+0x2d/0x2d [ 234.744777] ? lock_acquire+0x1ed/0x520 [ 234.748740] ? bpf_test_run+0x32e/0x5a0 [ 234.752704] ? lock_release+0x970/0x970 [ 234.756669] ? preempt_schedule+0x4d/0x60 [ 234.760809] ? preempt_schedule_common+0x1f/0xd0 [ 234.765556] ? preempt_schedule+0x4d/0x60 [ 234.769706] ? ___preempt_schedule+0x16/0x18 [ 234.774108] ? bpf_test_run+0x1c0/0x5a0 [ 234.778079] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.782478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.788003] ? bpf_test_init.isra.9+0x70/0x100 [ 234.792581] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.797329] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.802160] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.807683] ? fput+0x130/0x1a0 [ 234.810958] ? __bpf_prog_get+0x9b/0x290 [ 234.815007] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.819843] ? bpf_prog_test_run+0x130/0x1a0 [ 234.824245] ? __x64_sys_bpf+0x3d8/0x510 [ 234.828296] ? bpf_prog_get+0x20/0x20 [ 234.832098] ? do_syscall_64+0x1b9/0x820 [ 234.836147] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.841501] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.846434] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.851441] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.856446] ? recalc_sigpending_tsk+0x180/0x180 [ 234.861194] ? kasan_check_write+0x14/0x20 [ 234.865441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.870281] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.875647] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 234.875651] warn_alloc_show_mem: 1 callbacks suppressed [ 234.875657] Mem-Info: [ 234.882486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.887845] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 234.887845] active_file:16 inactive_file:17 isolated_file:0 [ 234.887845] unevictable:0 dirty:0 writeback:0 unstable:0 [ 234.887845] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 234.887845] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 234.887845] free:13792 free_pcp:309 free_cma:0 [ 234.890210] Call Trace: [ 234.899576] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 234.932594] dump_stack+0x1c4/0x2b4 [ 234.935148] Node 0 [ 234.963064] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.966680] 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 [ 234.968893] warn_alloc.cold.119+0xb7/0x1bd [ 234.974054] lowmem_reserve[]: [ 234.999650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.003942] 0 [ 235.007031] ? lock_downgrade+0x900/0x900 [ 235.011837] 2819 [ 235.013627] ? trace_hardirqs_off+0xb8/0x310 [ 235.017748] 6323 [ 235.019795] ? trace_hardirqs_off+0xb8/0x310 [ 235.024169] 6323 [ 235.026219] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.030593] Node 0 [ 235.032655] ? warn_alloc+0x120/0x120 [ 235.037479] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 235.039681] ? warn_alloc+0x120/0x120 [ 235.043445] lowmem_reserve[]: 0 [ 235.070988] ? warn_alloc+0x120/0x120 [ 235.074755] 0 [ 235.078017] ? mark_held_locks+0x130/0x130 [ 235.081784] 3503 [ 235.083573] ? mark_held_locks+0x130/0x130 [ 235.087774] 3503 [ 235.089825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.096075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.101580] Node 0 [ 235.107100] ? should_fail+0x22d/0xd01 [ 235.107130] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 235.109333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.113628] lowmem_reserve[]: 0 [ 235.142828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.142843] ? should_fail+0x22d/0xd01 [ 235.147920] 0 0 [ 235.151198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.156702] 0 [ 235.160571] ? should_fail+0x22d/0xd01 [ 235.162520] Node 0 [ 235.167605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.169376] DMA: [ 235.173249] ? mark_held_locks+0x130/0x130 [ 235.175573] 1*4kB [ 235.182950] ? mark_held_locks+0x130/0x130 [ 235.184981] (U) [ 235.189202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.191318] 0*8kB [ 235.195534] ? trace_hardirqs_off+0xb8/0x310 [ 235.197482] 0*16kB [ 235.203001] ? kasan_check_read+0x11/0x20 [ 235.205124] 1*32kB [ 235.209514] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.211719] (U) [ 235.215856] ? trace_hardirqs_on+0x310/0x310 [ 235.218064] 2*64kB (U) [ 235.222461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.224407] 1*128kB [ 235.229295] ? wq_watchdog_touch+0x9c/0xfe [ 235.231844] (U) 1*256kB [ 235.237394] ? io_serial_in+0x11/0x90 [ 235.239688] (U) [ 235.243915] ? retint_kernel+0x2d/0x2d [ 235.246549] 0*512kB [ 235.250329] ? trace_hardirqs_on_caller+0xc0/0x310 [ 235.252270] 1*1024kB (U) [ 235.256151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.258440] 1*2048kB [ 235.263348] ? trace_hardirqs_off+0x310/0x310 [ 235.266073] (M) [ 235.270814] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.273192] 3*4096kB [ 235.277674] __alloc_pages_nodemask+0xa80/0xde0 [ 235.279613] (M) [ 235.284700] ? should_fail+0x22d/0xd01 [ 235.287080] = 15908kB [ 235.291730] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.293673] Node 0 [ 235.297548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.299918] DMA32: [ 235.304918] ? lock_downgrade+0x900/0x900 [ 235.307123] 6*4kB [ 235.311774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.313976] (UME) [ 235.318109] cache_grow_begin+0x91/0x8c0 [ 235.320227] 2*8kB [ 235.325745] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.327862] (UE) [ 235.331908] fallback_alloc+0x203/0x2e0 [ 235.334030] 4*16kB [ 235.338418] ____cache_alloc_node+0x1c7/0x1e0 [ 235.340451] (UME) [ 235.344407] kmem_cache_alloc_node+0xe3/0x730 [ 235.346612] 4*32kB [ 235.351092] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.353207] (UME) [ 235.357687] __alloc_skb+0x119/0x770 [ 235.359893] 5*64kB [ 235.364108] ? skb_scrub_packet+0x490/0x490 [ 235.366227] (ME) [ 235.369926] ? lock_downgrade+0x900/0x900 [ 235.372131] 5*128kB [ 235.376433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.378461] (UME) [ 235.382591] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.384884] 4*256kB [ 235.390404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.392520] (ME) [ 235.397956] ? addrconf_rs_timer+0x690/0x690 [ 235.400250] 5*512kB [ 235.405687] ndisc_alloc_skb+0x144/0x340 [ 235.407717] (UME) [ 235.412108] ndisc_send_rs+0x331/0x6e0 [ 235.414404] 4*1024kB [ 235.418448] addrconf_rs_timer+0x314/0x690 [ 235.420568] (UME) [ 235.424436] ? lock_release+0x970/0x970 [ 235.426815] 2*2048kB [ 235.431037] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.433154] (ME) [ 235.437114] call_timer_fn+0x272/0x920 [ 235.439488] 3*4096kB [ 235.443706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.445735] (M) [ 235.449605] ? process_timeout+0x40/0x40 [ 235.451985] = 25256kB [ 235.457187] ? kasan_check_read+0x11/0x20 [ 235.457203] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.459153] Node 0 [ 235.463196] ? trace_hardirqs_on+0x310/0x310 [ 235.465574] Normal: [ 235.472410] ? __run_timers+0x7da/0xc70 [ 235.476791] 1063*4kB [ 235.479141] ? lock_downgrade+0x900/0x900 [ 235.483514] (UMEH) [ 235.485834] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.489774] 420*8kB [ 235.492166] ? trace_hardirqs_on+0xbd/0x310 [ 235.496281] (UME) [ 235.498502] ? kasan_check_read+0x11/0x20 [ 235.503571] 170*16kB (UMEH) [ 235.505886] ? __run_timers+0x7da/0xc70 [ 235.510324] 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB [ 235.513245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.517389] = 14012kB [ 235.520389] ? kasan_check_write+0x14/0x20 [ 235.524339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.532982] ? do_raw_spin_lock+0xc1/0x200 [ 235.538402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 235.540791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.544994] 4986 total pagecache pages [ 235.553814] __run_timers+0x7e5/0xc70 [ 235.558023] 0 pages in swap cache [ 235.566583] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.570797] Swap cache stats: add 0, delete 0, find 0/0 [ 235.574664] ? compat_start_thread+0x80/0x80 [ 235.578442] Free swap = 0kB [ 235.581877] ? dequeue_entity+0x1770/0x1770 [ 235.587205] Total swap = 0kB [ 235.592550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.596924] 1965979 pages RAM [ 235.599926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.604212] 0 pages HighMem/MovableOnly [ 235.604219] 342307 pages reserved [ 235.607222] ? kasan_check_write+0x14/0x20 [ 235.612721] 0 pages cma reserved [ 235.612773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.615828] ? finish_task_switch+0x2f5/0x900 [ 235.621390] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.625295] ? __switch_to_asm+0x40/0x70 [ 235.628714] syz-executor4 cpuset= [ 235.632946] ? preempt_notifier_register+0x200/0x200 [ 235.636276] syz4 [ 235.643258] ? __switch_to_asm+0x34/0x70 [ 235.647726] mems_allowed=0 [ 235.658191] ? __switch_to_asm+0x40/0x70 [ 235.683673] ? __switch_to_asm+0x34/0x70 [ 235.687722] ? __switch_to_asm+0x40/0x70 [ 235.691783] ? __switch_to_asm+0x34/0x70 [ 235.695837] ? __switch_to_asm+0x40/0x70 [ 235.699898] ? pvclock_read_flags+0x160/0x160 [ 235.705320] ? __schedule+0x874/0x1ed0 [ 235.709770] ? run_rebalance_domains+0x38d/0x500 [ 235.714518] ? trace_hardirqs_on+0xbd/0x310 [ 235.718837] ? kvm_sched_clock_read+0x9/0x20 [ 235.723234] ? run_ksoftirqd+0x94/0x100 [ 235.727199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.732729] ? check_preemption_disabled+0x48/0x200 [ 235.738252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.743783] run_timer_softirq+0x52/0xb0 [ 235.747845] ? __this_cpu_preempt_check+0x1c/0x1f [ 235.753161] __do_softirq+0x30b/0xad8 [ 235.756957] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.762052] ? trace_hardirqs_off+0xb8/0x310 [ 235.766455] ? schedule+0x108/0x460 [ 235.770072] ? __schedule+0x1ed0/0x1ed0 [ 235.774555] ? run_ksoftirqd+0x99/0x100 [ 235.778532] ? trace_hardirqs_off+0xb8/0x310 [ 235.783410] ? ___might_sleep+0x1ed/0x300 [ 235.787550] ? smpboot_thread_fn+0x68b/0xa00 [ 235.791947] ? trace_hardirqs_on+0x310/0x310 [ 235.796351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.801876] ? check_preemption_disabled+0x48/0x200 [ 235.806882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.812411] ? takeover_tasklets+0xa90/0xa90 [ 235.817296] run_ksoftirqd+0x94/0x100 [ 235.821319] smpboot_thread_fn+0x68b/0xa00 [ 235.825551] ? sort_range+0x30/0x30 [ 235.829171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.834262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.839793] ? __kthread_parkme+0xfb/0x1a0 [ 235.844025] kthread+0x35a/0x420 [ 235.847381] ? sort_range+0x30/0x30 [ 235.850997] ? kthread_bind+0x40/0x40 [ 235.854790] ret_from_fork+0x3a/0x50 [ 235.858510] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 235.858557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.865774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.865778] Call Trace: [ 235.865783] [ 235.865804] dump_stack+0x1c4/0x2b4 [ 235.865826] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.872348] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.881628] warn_alloc.cold.119+0xb7/0x1bd [ 235.884196] ksoftirqd/1 cpuset= [ 235.886329] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.886344] ? lock_downgrade+0x900/0x900 [ 235.889937] / [ 235.895110] ? trace_hardirqs_off+0xb8/0x310 [ 235.905390] mems_allowed=0 [ 235.909694] ? trace_hardirqs_off+0xb8/0x310 [ 235.935744] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.940591] ? warn_alloc+0x120/0x120 [ 235.944381] ? trace_hardirqs_on+0x310/0x310 [ 235.948779] ? warn_alloc+0x120/0x120 [ 235.952582] ? warn_alloc+0x120/0x120 [ 235.956373] ? ktime_get+0x2e1/0x440 [ 235.960078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.965605] ? check_preemption_disabled+0x48/0x200 [ 235.970613] ? kasan_check_read+0x11/0x20 [ 235.974760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.980293] ? should_fail+0x22d/0xd01 [ 235.984191] ? rcu_bh_qs+0xc0/0xc0 [ 235.987743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.992836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.998364] ? should_fail+0x22d/0xd01 [ 236.002244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.007334] ? should_fail+0x22d/0xd01 [ 236.011215] ? rcu_idle_enter+0x4b0/0x4b0 [ 236.015352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.020447] ? mark_held_locks+0x130/0x130 [ 236.024671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.030201] ? mark_held_locks+0x130/0x130 [ 236.034428] ? rcu_irq_exit+0xce/0x100 [ 236.038306] ? irq_exit+0xbd/0x1c0 [ 236.041835] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 236.046843] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.051248] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.057121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.062646] ? ret_from_intr+0xb/0x1e [ 236.066437] ? retint_kernel+0x2d/0x2d [ 236.070314] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.075233] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.079982] ? trace_hardirqs_off+0x310/0x310 [ 236.084464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.089565] __alloc_pages_nodemask+0xa80/0xde0 [ 236.094226] ? should_fail+0x22d/0xd01 [ 236.098104] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.103119] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.107785] ? lock_downgrade+0x900/0x900 [ 236.112384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.117915] cache_grow_begin+0x91/0x8c0 [ 236.121965] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.126388] fallback_alloc+0x203/0x2e0 [ 236.130353] ____cache_alloc_node+0x1c7/0x1e0 [ 236.134843] kmem_cache_alloc_node+0xe3/0x730 [ 236.139328] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.143554] __alloc_skb+0x119/0x770 [ 236.147264] ? skb_scrub_packet+0x490/0x490 [ 236.151574] ? lock_downgrade+0x900/0x900 [ 236.155716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.161248] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.166689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.172131] ? addrconf_rs_timer+0x690/0x690 [ 236.176534] ndisc_alloc_skb+0x144/0x340 [ 236.180586] ndisc_send_rs+0x331/0x6e0 [ 236.184468] addrconf_rs_timer+0x314/0x690 [ 236.188693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.192924] call_timer_fn+0x272/0x920 [ 236.196804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.201026] ? process_timeout+0x40/0x40 [ 236.205194] ? trace_hardirqs_off+0xb8/0x310 [ 236.209600] ? kasan_check_read+0x11/0x20 [ 236.213741] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.218148] ? trace_hardirqs_on+0x310/0x310 [ 236.222547] ? __run_timers+0x7da/0xc70 [ 236.226514] ? lock_downgrade+0x900/0x900 [ 236.230652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.236493] ? trace_hardirqs_on+0xbd/0x310 [ 236.240802] ? kasan_check_read+0x11/0x20 [ 236.244942] ? __run_timers+0x7da/0xc70 [ 236.248903] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.254336] ? kasan_check_write+0x14/0x20 [ 236.258563] ? do_raw_spin_lock+0xc1/0x200 [ 236.262800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.267023] __run_timers+0x7e5/0xc70 [ 236.270819] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.276170] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.281591] ? timerqueue_add+0x207/0x2b0 [ 236.285729] ? enqueue_hrtimer+0x1a5/0x560 [ 236.289972] ? lock_release+0x970/0x970 [ 236.293946] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.299138] ? kasan_check_write+0x14/0x20 [ 236.303367] ? pvclock_read_flags+0x160/0x160 [ 236.307859] ? lock_downgrade+0x900/0x900 [ 236.312005] ? trace_hardirqs_on+0xbd/0x310 [ 236.316315] ? kvm_sched_clock_read+0x9/0x20 [ 236.320713] ? irq_exit+0x17f/0x1c0 [ 236.324329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.329859] ? check_preemption_disabled+0x48/0x200 [ 236.334864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.340392] run_timer_softirq+0x52/0xb0 [ 236.344441] ? __this_cpu_preempt_check+0x1c/0x1f [ 236.349274] __do_softirq+0x30b/0xad8 [ 236.353067] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.358158] ? pvclock_read_flags+0x160/0x160 [ 236.362642] ? lapic_next_event+0x5a/0x90 [ 236.366787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.372313] ? clockevents_program_event+0x140/0x370 [ 236.377406] ? kvm_clock_read+0x18/0x30 [ 236.381372] ? kvm_sched_clock_read+0x9/0x20 [ 236.385773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.391308] ? check_preemption_disabled+0x48/0x200 [ 236.396425] irq_exit+0x17f/0x1c0 [ 236.399905] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.404743] ? smp_reschedule_interrupt+0x109/0x650 [ 236.409768] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.415646] ? interrupt_entry+0xb5/0xf0 [ 236.419699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.424702] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.429707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.434536] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.439539] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.444545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.450071] ? check_preemption_disabled+0x48/0x200 [ 236.455505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.460341] apic_timer_interrupt+0xf/0x20 [ 236.464558] [ 236.466796] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.472513] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 236.491399] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 236.499101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 236.506357] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 236.513744] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 236.521024] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 236.528279] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.535553] ? trace_hardirqs_on+0xb4/0x310 [ 236.539869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.545397] skb_clone+0x1bb/0x500 [ 236.548927] ? finish_task_switch+0x2f5/0x900 [ 236.553411] ? skb_split+0x11e0/0x11e0 [ 236.557289] ? preempt_notifier_register+0x200/0x200 [ 236.562379] ? __switch_to_asm+0x34/0x70 [ 236.566429] ? __switch_to_asm+0x34/0x70 [ 236.570477] ? __switch_to_asm+0x40/0x70 [ 236.574525] ? __switch_to_asm+0x34/0x70 [ 236.578572] ? __switch_to_asm+0x40/0x70 [ 236.582619] ? __switch_to_asm+0x34/0x70 [ 236.586676] ? __switch_to_asm+0x40/0x70 [ 236.590748] ? __switch_to_asm+0x34/0x70 [ 236.594817] ? __switch_to_asm+0x34/0x70 [ 236.598864] ? __switch_to_asm+0x40/0x70 [ 236.602916] ? __switch_to_asm+0x34/0x70 [ 236.606973] bpf_clone_redirect+0xb9/0x490 [ 236.611195] ? __schedule+0x874/0x1ed0 [ 236.615084] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 236.620146] ? __sched_text_start+0x8/0x8 [ 236.624284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.629035] ? retint_kernel+0x2d/0x2d [ 236.632913] ? lock_acquire+0x1ed/0x520 [ 236.636872] ? bpf_test_run+0x32e/0x5a0 [ 236.640835] ? lock_release+0x970/0x970 [ 236.644797] ? preempt_schedule+0x4d/0x60 [ 236.648935] ? preempt_schedule_common+0x1f/0xd0 [ 236.653677] ? preempt_schedule+0x4d/0x60 [ 236.657812] ? ___preempt_schedule+0x16/0x18 [ 236.662212] ? bpf_test_run+0x1c0/0x5a0 [ 236.666183] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.670584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.676113] ? bpf_test_init.isra.9+0x70/0x100 [ 236.680687] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.685455] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.690288] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.695817] ? fput+0x130/0x1a0 [ 236.699084] ? __bpf_prog_get+0x9b/0x290 [ 236.703135] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.707966] ? bpf_prog_test_run+0x130/0x1a0 [ 236.712365] ? __x64_sys_bpf+0x3d8/0x510 [ 236.716416] ? bpf_prog_get+0x20/0x20 [ 236.720221] ? do_syscall_64+0x1b9/0x820 [ 236.724271] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.729622] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.734541] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.739547] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.744552] ? recalc_sigpending_tsk+0x180/0x180 [ 236.749296] ? kasan_check_write+0x14/0x20 [ 236.753526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.758363] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.763728] warn_alloc_show_mem: 1 callbacks suppressed [ 236.763737] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 236.763738] Mem-Info: [ 236.763772] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 236.763772] active_file:16 inactive_file:17 isolated_file:0 [ 236.763772] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.763772] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 236.763772] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 236.763772] free:13792 free_pcp:309 free_cma:0 [ 236.769095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.769102] Call Trace: [ 236.775926] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.775929] Node 0 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 [ 236.775948] lowmem_reserve[]: 0 2819 6323 6323 [ 236.775959] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 236.775978] lowmem_reserve[]: 0 0 3503 3503 [ 236.775989] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 236.776008] lowmem_reserve[]: 0 0 0 0 [ 236.776018] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 236.776066] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 236.776119] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 236.776168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.776174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.776177] 4986 total pagecache pages [ 236.776180] 0 pages in swap cache [ 236.776185] Swap cache stats: add 0, delete 0, find 0/0 [ 236.776187] Free swap = 0kB [ 236.776190] Total swap = 0kB [ 236.776192] 1965979 pages RAM [ 236.776194] 0 pages HighMem/MovableOnly [ 236.776197] 342307 pages reserved [ 236.776199] 0 pages cma reserved [ 236.776242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.776289] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.778681] dump_stack+0x1c4/0x2b4 [ 236.811700] syz-executor4 cpuset= [ 236.821052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.823604] syz4 [ 236.852355] warn_alloc.cold.119+0xb7/0x1bd [ 236.878433] mems_allowed=0 [ 236.882998] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.085917] ? lock_downgrade+0x900/0x900 [ 237.090061] ? trace_hardirqs_off+0xb8/0x310 [ 237.094464] ? trace_hardirqs_off+0xb8/0x310 [ 237.098870] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.103724] ? warn_alloc+0x120/0x120 [ 237.107515] ? warn_alloc+0x120/0x120 [ 237.111301] ? warn_alloc+0x120/0x120 [ 237.115083] ? mark_held_locks+0x130/0x130 [ 237.119306] ? mark_held_locks+0x130/0x130 [ 237.123529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.129057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.134586] ? should_fail+0x22d/0xd01 [ 237.138463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.143552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.149080] ? should_fail+0x22d/0xd01 [ 237.152958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.158048] ? should_fail+0x22d/0xd01 [ 237.161930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.167527] ? mark_held_locks+0x130/0x130 [ 237.171752] ? mark_held_locks+0x130/0x130 [ 237.175977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.181511] ? trace_hardirqs_off+0xb8/0x310 [ 237.185906] ? kasan_check_read+0x11/0x20 [ 237.190044] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.194454] ? trace_hardirqs_on+0x310/0x310 [ 237.198851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.205245] ? wq_watchdog_touch+0x9c/0xfe [ 237.212029] ? io_serial_in+0x11/0x90 [ 237.215821] ? retint_kernel+0x2d/0x2d [ 237.219702] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.224622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.229821] ? trace_hardirqs_off+0x310/0x310 [ 237.234306] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.239407] __alloc_pages_nodemask+0xa80/0xde0 [ 237.244065] ? should_fail+0x22d/0xd01 [ 237.248468] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.253501] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.258161] ? lock_downgrade+0x900/0x900 [ 237.262384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.267916] cache_grow_begin+0x91/0x8c0 [ 237.272419] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.276822] fallback_alloc+0x203/0x2e0 [ 237.280788] ____cache_alloc_node+0x1c7/0x1e0 [ 237.285277] kmem_cache_alloc_node+0xe3/0x730 [ 237.289777] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.294007] __alloc_skb+0x119/0x770 [ 237.297713] ? skb_scrub_packet+0x490/0x490 [ 237.302023] ? lock_downgrade+0x900/0x900 [ 237.306164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.311697] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.318104] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.325057] ? addrconf_rs_timer+0x690/0x690 [ 237.329459] ndisc_alloc_skb+0x144/0x340 [ 237.333521] ndisc_send_rs+0x331/0x6e0 [ 237.337405] addrconf_rs_timer+0x314/0x690 [ 237.341629] ? lock_release+0x970/0x970 [ 237.345601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.349834] call_timer_fn+0x272/0x920 [ 237.353715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.357944] ? process_timeout+0x40/0x40 [ 237.361992] ? kasan_check_read+0x11/0x20 [ 237.366130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.370528] ? trace_hardirqs_on+0x310/0x310 [ 237.374949] ? __run_timers+0x7da/0xc70 [ 237.378912] ? lock_downgrade+0x900/0x900 [ 237.383053] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.388146] ? trace_hardirqs_on+0xbd/0x310 [ 237.392458] ? kasan_check_read+0x11/0x20 [ 237.396689] ? __run_timers+0x7da/0xc70 [ 237.400660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.406108] ? kasan_check_write+0x14/0x20 [ 237.410332] ? do_raw_spin_lock+0xc1/0x200 [ 237.414563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.418788] __run_timers+0x7e5/0xc70 [ 237.422584] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.427940] ? compat_start_thread+0x80/0x80 [ 237.432338] ? dequeue_entity+0x1770/0x1770 [ 237.436647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.442180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.447721] ? kasan_check_write+0x14/0x20 [ 237.451947] ? finish_task_switch+0x2f5/0x900 [ 237.457359] ? __switch_to_asm+0x40/0x70 [ 237.461414] ? preempt_notifier_register+0x200/0x200 [ 237.466504] ? __switch_to_asm+0x34/0x70 [ 237.475198] ? __switch_to_asm+0x40/0x70 [ 237.480165] ? __switch_to_asm+0x34/0x70 [ 237.484218] ? __switch_to_asm+0x40/0x70 [ 237.488267] ? __switch_to_asm+0x34/0x70 [ 237.492316] ? __switch_to_asm+0x40/0x70 [ 237.496374] ? pvclock_read_flags+0x160/0x160 [ 237.500857] ? __schedule+0x874/0x1ed0 [ 237.504738] ? run_rebalance_domains+0x38d/0x500 [ 237.509511] ? trace_hardirqs_on+0xbd/0x310 [ 237.513820] ? kvm_sched_clock_read+0x9/0x20 [ 237.518220] ? run_ksoftirqd+0x94/0x100 [ 237.522189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.527717] ? check_preemption_disabled+0x48/0x200 [ 237.532721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.538472] run_timer_softirq+0x52/0xb0 [ 237.542964] ? __this_cpu_preempt_check+0x1c/0x1f [ 237.548267] __do_softirq+0x30b/0xad8 [ 237.552064] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.557674] ? trace_hardirqs_off+0xb8/0x310 [ 237.562078] ? schedule+0x108/0x460 [ 237.565700] ? __schedule+0x1ed0/0x1ed0 [ 237.570257] ? run_ksoftirqd+0x99/0x100 [ 237.575391] ? trace_hardirqs_off+0xb8/0x310 [ 237.579792] ? ___might_sleep+0x1ed/0x300 [ 237.583927] ? smpboot_thread_fn+0x68b/0xa00 [ 237.588322] ? trace_hardirqs_on+0x310/0x310 [ 237.592721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.598254] ? check_preemption_disabled+0x48/0x200 [ 237.603257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.608785] ? takeover_tasklets+0xa90/0xa90 [ 237.613190] run_ksoftirqd+0x94/0x100 [ 237.616979] smpboot_thread_fn+0x68b/0xa00 [ 237.621206] ? sort_range+0x30/0x30 [ 237.624823] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.629916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.635440] ? __kthread_parkme+0xfb/0x1a0 [ 237.640184] kthread+0x35a/0x420 [ 237.643540] ? sort_range+0x30/0x30 [ 237.647152] ? kthread_bind+0x40/0x40 [ 237.650953] ret_from_fork+0x3a/0x50 [ 237.654684] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 237.654731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.661948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.661952] Call Trace: [ 237.661957] [ 237.661972] dump_stack+0x1c4/0x2b4 [ 237.661988] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.668509] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.677817] warn_alloc.cold.119+0xb7/0x1bd [ 237.680453] ksoftirqd/1 cpuset= [ 237.682587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.686662] / [ 237.691851] ? lock_downgrade+0x900/0x900 [ 237.702135] mems_allowed=0 [ 237.706437] ? trace_hardirqs_off+0xb8/0x310 [ 237.727621] ? trace_hardirqs_off+0xb8/0x310 [ 237.732028] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.736872] ? warn_alloc+0x120/0x120 [ 237.740669] ? warn_alloc+0x120/0x120 [ 237.744459] ? warn_alloc+0x120/0x120 [ 237.748249] ? lock_release+0x970/0x970 [ 237.752212] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.757394] ? trace_hardirqs_on+0x310/0x310 [ 237.761796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.767324] ? should_fail+0x22d/0xd01 [ 237.771204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.776294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.781821] ? should_fail+0x22d/0xd01 [ 237.785699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.790791] ? should_fail+0x22d/0xd01 [ 237.794672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.799765] ? mark_held_locks+0x130/0x130 [ 237.803991] ? mark_held_locks+0x130/0x130 [ 237.808217] ? kvm_clock_read+0x18/0x30 [ 237.812185] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.817189] ? ktime_get+0x2e1/0x440 [ 237.820896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.826426] ? check_preemption_disabled+0x48/0x200 [ 237.831435] ? kasan_check_read+0x11/0x20 [ 237.835577] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.840841] ? rcu_bh_qs+0xc0/0xc0 [ 237.844371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.849900] ? check_preemption_disabled+0x48/0x200 [ 237.854902] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.860059] ? widen_string+0xe0/0x2e0 [ 237.863969] __alloc_pages_nodemask+0xa80/0xde0 [ 237.868637] ? should_fail+0x22d/0xd01 [ 237.872519] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.877537] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.882196] ? lock_downgrade+0x900/0x900 [ 237.886335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.891865] cache_grow_begin+0x91/0x8c0 [ 237.895918] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.900318] fallback_alloc+0x203/0x2e0 [ 237.904283] ____cache_alloc_node+0x1c7/0x1e0 [ 237.908768] kmem_cache_alloc_node+0xe3/0x730 [ 237.913252] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.917479] __alloc_skb+0x119/0x770 [ 237.921185] ? skb_scrub_packet+0x490/0x490 [ 237.925494] ? lock_downgrade+0x900/0x900 [ 237.929640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.935170] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.940610] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.946062] ? addrconf_rs_timer+0x690/0x690 [ 237.950464] ndisc_alloc_skb+0x144/0x340 [ 237.954517] ndisc_send_rs+0x331/0x6e0 [ 237.958394] addrconf_rs_timer+0x314/0x690 [ 237.962631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.966864] call_timer_fn+0x272/0x920 [ 237.970742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.974973] ? process_timeout+0x40/0x40 [ 237.979026] ? trace_hardirqs_off+0xb8/0x310 [ 237.983420] ? kasan_check_read+0x11/0x20 [ 237.987556] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.991953] ? trace_hardirqs_on+0x310/0x310 [ 237.996352] ? __run_timers+0x7da/0xc70 [ 238.000317] ? lock_downgrade+0x900/0x900 [ 238.004460] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.009551] ? trace_hardirqs_on+0xbd/0x310 [ 238.013857] ? kasan_check_read+0x11/0x20 [ 238.017997] ? __run_timers+0x7da/0xc70 [ 238.021963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.027526] ? kasan_check_write+0x14/0x20 [ 238.031751] ? do_raw_spin_lock+0xc1/0x200 [ 238.035976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.040201] __run_timers+0x7e5/0xc70 [ 238.043997] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.049349] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.054356] ? timerqueue_add+0x207/0x2b0 [ 238.058512] ? enqueue_hrtimer+0x1a5/0x560 [ 238.062737] ? lock_release+0x970/0x970 [ 238.066700] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.071881] ? kasan_check_write+0x14/0x20 [ 238.076108] ? pvclock_read_flags+0x160/0x160 [ 238.080593] ? lock_downgrade+0x900/0x900 [ 238.084743] ? trace_hardirqs_on+0xbd/0x310 [ 238.089052] ? kvm_sched_clock_read+0x9/0x20 [ 238.093450] ? irq_exit+0x17f/0x1c0 [ 238.097068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.102594] ? check_preemption_disabled+0x48/0x200 [ 238.107611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.113600] run_timer_softirq+0x52/0xb0 [ 238.117699] ? __this_cpu_preempt_check+0x1c/0x1f [ 238.122525] __do_softirq+0x30b/0xad8 [ 238.126320] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.131413] ? pvclock_read_flags+0x160/0x160 [ 238.135895] ? lapic_next_event+0x5a/0x90 [ 238.140033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.145558] ? clockevents_program_event+0x140/0x370 [ 238.150653] ? kvm_clock_read+0x18/0x30 [ 238.154621] ? kvm_sched_clock_read+0x9/0x20 [ 238.159022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.164550] ? check_preemption_disabled+0x48/0x200 [ 238.169562] irq_exit+0x17f/0x1c0 [ 238.173008] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.177868] ? smp_reschedule_interrupt+0x109/0x650 [ 238.182897] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.188770] ? interrupt_entry+0xb5/0xf0 [ 238.192826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.197852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.202860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.207694] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.212697] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.217704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.223231] ? check_preemption_disabled+0x48/0x200 [ 238.228244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.233856] apic_timer_interrupt+0xf/0x20 [ 238.238243] [ 238.240528] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.245451] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 238.264462] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 238.272159] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 238.279711] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 238.286967] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 238.294225] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 238.301480] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.308757] ? trace_hardirqs_on+0xb4/0x310 [ 238.313075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.318610] skb_clone+0x1bb/0x500 [ 238.322143] ? finish_task_switch+0x2f5/0x900 [ 238.326630] ? skb_split+0x11e0/0x11e0 [ 238.330505] ? preempt_notifier_register+0x200/0x200 [ 238.335625] ? __switch_to_asm+0x34/0x70 [ 238.339690] ? __switch_to_asm+0x34/0x70 [ 238.343740] ? __switch_to_asm+0x40/0x70 [ 238.347797] ? __switch_to_asm+0x34/0x70 [ 238.351844] ? __switch_to_asm+0x40/0x70 [ 238.355891] ? __switch_to_asm+0x34/0x70 [ 238.359938] ? __switch_to_asm+0x40/0x70 [ 238.363988] ? __switch_to_asm+0x34/0x70 [ 238.368040] ? __switch_to_asm+0x34/0x70 [ 238.372086] ? __switch_to_asm+0x40/0x70 [ 238.376135] ? __switch_to_asm+0x34/0x70 [ 238.380188] bpf_clone_redirect+0xb9/0x490 [ 238.384415] ? __schedule+0x874/0x1ed0 [ 238.388293] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 238.393215] ? __sched_text_start+0x8/0x8 [ 238.397356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.402105] ? retint_kernel+0x2d/0x2d [ 238.405991] ? lock_acquire+0x1ed/0x520 [ 238.410112] ? bpf_test_run+0x32e/0x5a0 [ 238.414096] ? lock_release+0x970/0x970 [ 238.418071] ? preempt_schedule+0x4d/0x60 [ 238.422208] ? preempt_schedule_common+0x1f/0xd0 [ 238.426955] ? preempt_schedule+0x4d/0x60 [ 238.431094] ? ___preempt_schedule+0x16/0x18 [ 238.435492] ? bpf_test_run+0x1c0/0x5a0 [ 238.439456] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.443855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.449378] ? bpf_test_init.isra.9+0x70/0x100 [ 238.455199] ? bpf_prog_test_run_skb+0x634/0xb40 [ 238.459947] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.464779] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.472780] ? fput+0x130/0x1a0 [ 238.476057] ? __bpf_prog_get+0x9b/0x290 [ 238.480124] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.484954] ? bpf_prog_test_run+0x130/0x1a0 [ 238.489388] ? __x64_sys_bpf+0x3d8/0x510 [ 238.493538] ? bpf_prog_get+0x20/0x20 [ 238.497336] ? do_syscall_64+0x1b9/0x820 [ 238.501387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.506740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.511659] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.516665] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.521673] ? recalc_sigpending_tsk+0x180/0x180 [ 238.526415] ? kasan_check_write+0x14/0x20 [ 238.530642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.535475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.540831] warn_alloc_show_mem: 1 callbacks suppressed [ 238.540840] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 238.540842] Mem-Info: [ 238.540870] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 238.540870] active_file:16 inactive_file:17 isolated_file:0 [ 238.540870] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.540870] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 238.540870] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 238.540870] free:13792 free_pcp:309 free_cma:0 [ 238.546649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.553493] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.555879] Call Trace: [ 238.588905] Node 0 [ 238.598338] dump_stack+0x1c4/0x2b4 [ 238.626254] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.628805] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.631006] lowmem_reserve[]: [ 238.634622] warn_alloc.cold.119+0xb7/0x1bd [ 238.660088] 0 [ 238.665778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.668859] 2819 [ 238.673162] ? lock_downgrade+0x900/0x900 [ 238.674936] 6323 [ 238.679764] ? trace_hardirqs_off+0xb8/0x310 [ 238.681794] 6323 [ 238.685934] ? trace_hardirqs_off+0xb8/0x310 [ 238.692367] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.694403] Node 0 [ 238.698803] ? warn_alloc+0x120/0x120 [ 238.703628] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 238.705827] ? warn_alloc+0x120/0x120 [ 238.709608] lowmem_reserve[]: [ 238.737057] ? warn_alloc+0x120/0x120 [ 238.740825] 0 [ 238.743916] ? mark_held_locks+0x130/0x130 [ 238.747684] 0 [ 238.749471] ? mark_held_locks+0x130/0x130 [ 238.753677] 3503 [ 238.755464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.759658] 3503 [ 238.761714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.767321] Node 0 [ 238.770080] ? should_fail+0x22d/0xd01 [ 238.775603] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 238.777806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.781655] lowmem_reserve[]: 0 [ 238.810558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.815629] 0 [ 238.818891] ? should_fail+0x22d/0xd01 [ 238.824394] 0 [ 238.826180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.830032] 0 [ 238.831819] ? should_fail+0x22d/0xd01 [ 238.838674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.842529] Node 0 DMA: [ 238.847618] ? mark_held_locks+0x130/0x130 [ 238.847633] ? mark_held_locks+0x130/0x130 [ 238.850272] 1*4kB [ 238.854487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.858687] (U) [ 238.860819] ? trace_hardirqs_off+0xb8/0x310 [ 238.866322] 0*8kB [ 238.868279] ? kasan_check_read+0x11/0x20 [ 238.872653] 0*16kB [ 238.874783] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.878900] 1*32kB [ 238.881124] ? trace_hardirqs_on+0x310/0x310 [ 238.885500] (U) [ 238.887725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.892098] 2*64kB [ 238.894060] ? wq_watchdog_touch+0x9c/0xfe [ 238.899573] (U) [ 238.901793] ? io_serial_in+0x11/0x90 [ 238.906006] 1*128kB [ 238.907962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.911727] (U) [ 238.914036] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.919543] 1*256kB [ 238.921510] __alloc_pages_nodemask+0xa80/0xde0 [ 238.926581] (U) [ 238.928888] ? should_fail+0x22d/0xd01 [ 238.933543] 0*512kB [ 238.935505] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.939443] 1*1024kB (U) [ 238.941766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.946742] 1*2048kB [ 238.949480] ? lock_downgrade+0x900/0x900 [ 238.954109] (M) 3*4096kB [ 238.956514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.960623] (M) = 15908kB [ 238.963374] cache_grow_begin+0x91/0x8c0 [ 238.968880] Node 0 [ 238.971626] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.975650] DMA32: 6*4kB [ 238.977881] fallback_alloc+0x203/0x2e0 [ 238.982254] (UME) [ 238.984994] ____cache_alloc_node+0x1c7/0x1e0 [ 238.988934] 2*8kB [ 238.991072] kmem_cache_alloc_node+0xe3/0x730 [ 238.995535] (UE) [ 238.997671] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.002132] 4*16kB [ 239.004180] __alloc_skb+0x119/0x770 [ 239.008379] (UME) [ 239.010602] ? skb_scrub_packet+0x490/0x490 [ 239.014284] 4*32kB [ 239.016435] ? lock_downgrade+0x900/0x900 [ 239.020721] (UME) [ 239.022943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.027053] 5*64kB (ME) [ 239.029197] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.034698] 5*128kB (UME) [ 239.037363] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.042778] 4*256kB [ 239.045608] ? addrconf_rs_timer+0x690/0x690 [ 239.051024] (ME) [ 239.053346] ndisc_alloc_skb+0x144/0x340 [ 239.057727] 5*512kB [ 239.059778] ndisc_send_rs+0x331/0x6e0 [ 239.063806] (UME) [ 239.066115] addrconf_rs_timer+0x314/0x690 [ 239.069966] 4*1024kB (UME) [ 239.072104] ? lock_release+0x970/0x970 [ 239.076304] 2*2048kB [ 239.079706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.083646] (ME) [ 239.086065] call_timer_fn+0x272/0x920 [ 239.090268] 3*4096kB (M) [ 239.092320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.096174] = 25256kB [ 239.098914] ? process_timeout+0x40/0x40 [ 239.103146] Node 0 [ 239.105543] ? kasan_check_read+0x11/0x20 [ 239.109571] Normal: 1063*4kB [ 239.111801] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.115924] (UMEH) [ 239.119013] ? trace_hardirqs_on+0x310/0x310 [ 239.123386] 420*8kB [ 239.125607] ? __run_timers+0x7da/0xc70 [ 239.129983] (UME) [ 239.132290] ? lock_downgrade+0x900/0x900 [ 239.136232] 170*16kB [ 239.138362] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.142473] (UMEH) [ 239.144870] ? trace_hardirqs_on+0xbd/0x310 [ 239.149938] 65*32kB [ 239.152155] ? kasan_check_read+0x11/0x20 [ 239.156452] (UME) [ 239.158759] ? __run_timers+0x7da/0xc70 [ 239.162873] 9*64kB [ 239.165009] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.168948] (UM) [ 239.171166] ? kasan_check_write+0x14/0x20 [ 239.176584] 0*128kB [ 239.178632] ? do_raw_spin_lock+0xc1/0x200 [ 239.182831] 0*256kB [ 239.185139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.189343] 0*512kB [ 239.191650] __run_timers+0x7e5/0xc70 [ 239.195850] 1*1024kB [ 239.198163] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.201927] (H) [ 239.204325] ? compat_start_thread+0x80/0x80 [ 239.209655] 0*2048kB [ 239.211613] ? dequeue_entity+0x1770/0x1770 [ 239.216092] 0*4096kB [ 239.218487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.222776] = 14012kB [ 239.225169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.230681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.233066] ? kasan_check_write+0x14/0x20 [ 239.238577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.247402] ? finish_task_switch+0x2f5/0x900 [ 239.251617] 4986 total pagecache pages [ 239.260175] ? __switch_to_asm+0x40/0x70 [ 239.264636] 0 pages in swap cache [ 239.268525] ? preempt_notifier_register+0x200/0x200 [ 239.272579] Swap cache stats: add 0, delete 0, find 0/0 [ 239.276516] ? __switch_to_asm+0x34/0x70 [ 239.281589] Free swap = 0kB [ 239.291198] ? __switch_to_asm+0x40/0x70 [ 239.291212] ? __switch_to_asm+0x34/0x70 [ 239.295244] Total swap = 0kB [ 239.298245] ? __switch_to_asm+0x40/0x70 [ 239.302760] 1965979 pages RAM [ 239.306804] ? __switch_to_asm+0x34/0x70 [ 239.309790] 0 pages HighMem/MovableOnly [ 239.309797] 342307 pages reserved [ 239.313839] ? __switch_to_asm+0x40/0x70 [ 239.316914] 0 pages cma reserved [ 239.321480] ? pvclock_read_flags+0x160/0x160 [ 239.325468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.328858] ? __schedule+0x874/0x1ed0 [ 239.332942] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.336240] ? run_rebalance_domains+0x38d/0x500 [ 239.340701] syz-executor4 cpuset= [ 239.347190] ? trace_hardirqs_on+0xbd/0x310 [ 239.351045] syz4 [ 239.361520] ? kvm_sched_clock_read+0x9/0x20 [ 239.366247] mems_allowed=0 [ 239.369681] ? run_ksoftirqd+0x94/0x100 [ 239.387184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.392715] ? check_preemption_disabled+0x48/0x200 [ 239.397719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.403249] run_timer_softirq+0x52/0xb0 [ 239.407300] ? __this_cpu_preempt_check+0x1c/0x1f [ 239.412132] __do_softirq+0x30b/0xad8 [ 239.415926] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.421026] ? trace_hardirqs_off+0xb8/0x310 [ 239.425432] ? schedule+0x108/0x460 [ 239.429053] ? __schedule+0x1ed0/0x1ed0 [ 239.433020] ? run_ksoftirqd+0x99/0x100 [ 239.436985] ? trace_hardirqs_off+0xb8/0x310 [ 239.441389] ? ___might_sleep+0x1ed/0x300 [ 239.445528] ? smpboot_thread_fn+0x68b/0xa00 [ 239.449935] ? trace_hardirqs_on+0x310/0x310 [ 239.454806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.460335] ? check_preemption_disabled+0x48/0x200 [ 239.465340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.471809] ? takeover_tasklets+0xa90/0xa90 [ 239.476213] run_ksoftirqd+0x94/0x100 [ 239.480004] smpboot_thread_fn+0x68b/0xa00 [ 239.484234] ? sort_range+0x30/0x30 [ 239.495121] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.500220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.505747] ? __kthread_parkme+0xfb/0x1a0 [ 239.509973] kthread+0x35a/0x420 [ 239.513334] ? sort_range+0x30/0x30 [ 239.517408] ? kthread_bind+0x40/0x40 [ 239.521198] ret_from_fork+0x3a/0x50 [ 239.524910] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 239.524959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.532172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.532176] Call Trace: [ 239.532181] [ 239.532195] dump_stack+0x1c4/0x2b4 [ 239.532212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.538711] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.548021] warn_alloc.cold.119+0xb7/0x1bd [ 239.550571] ksoftirqd/1 cpuset= [ 239.552704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.556299] / [ 239.561474] ? lock_downgrade+0x900/0x900 [ 239.571984] mems_allowed=0 [ 239.576288] ? trace_hardirqs_off+0xb8/0x310 [ 239.597589] ? trace_hardirqs_off+0xb8/0x310 [ 239.601993] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.606842] ? warn_alloc+0x120/0x120 [ 239.610631] ? trace_hardirqs_on+0x310/0x310 [ 239.615037] ? warn_alloc+0x120/0x120 [ 239.618829] ? warn_alloc+0x120/0x120 [ 239.622616] ? ktime_get+0x2e1/0x440 [ 239.626319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.631848] ? check_preemption_disabled+0x48/0x200 [ 239.636854] ? kasan_check_read+0x11/0x20 [ 239.640989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.646521] ? should_fail+0x22d/0xd01 [ 239.650396] ? rcu_bh_qs+0xc0/0xc0 [ 239.653930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.659026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.664578] ? should_fail+0x22d/0xd01 [ 239.668459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.673557] ? should_fail+0x22d/0xd01 [ 239.677433] ? rcu_idle_enter+0x4b0/0x4b0 [ 239.681573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.686851] ? mark_held_locks+0x130/0x130 [ 239.691092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.696623] ? mark_held_locks+0x130/0x130 [ 239.700851] ? rcu_irq_exit+0xce/0x100 [ 239.704727] ? irq_exit+0xbd/0x1c0 [ 239.708262] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 239.713285] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.717688] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.723562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.729105] ? ret_from_intr+0xb/0x1e [ 239.732887] ? retint_kernel+0x2d/0x2d [ 239.736761] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.741685] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.746515] ? trace_hardirqs_off+0x310/0x310 [ 239.750996] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.756096] __alloc_pages_nodemask+0xa80/0xde0 [ 239.760751] ? should_fail+0x22d/0xd01 [ 239.764631] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.769651] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.774309] ? lock_downgrade+0x900/0x900 [ 239.778449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.783983] cache_grow_begin+0x91/0x8c0 [ 239.788034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.792435] fallback_alloc+0x203/0x2e0 [ 239.796410] ____cache_alloc_node+0x1c7/0x1e0 [ 239.800899] kmem_cache_alloc_node+0xe3/0x730 [ 239.805384] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.809612] __alloc_skb+0x119/0x770 [ 239.813332] ? skb_scrub_packet+0x490/0x490 [ 239.817777] ? lock_downgrade+0x900/0x900 [ 239.821912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.827454] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.832908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.838364] ? addrconf_rs_timer+0x690/0x690 [ 239.842772] ndisc_alloc_skb+0x144/0x340 [ 239.846828] ndisc_send_rs+0x331/0x6e0 [ 239.850701] addrconf_rs_timer+0x314/0x690 [ 239.854935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.859165] call_timer_fn+0x272/0x920 [ 239.863041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.867268] ? process_timeout+0x40/0x40 [ 239.871317] ? trace_hardirqs_off+0xb8/0x310 [ 239.875717] ? kasan_check_read+0x11/0x20 [ 239.879854] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.884253] ? trace_hardirqs_on+0x310/0x310 [ 239.888653] ? __run_timers+0x7da/0xc70 [ 239.892617] ? lock_downgrade+0x900/0x900 [ 239.896757] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.901848] ? trace_hardirqs_on+0xbd/0x310 [ 239.906158] ? kasan_check_read+0x11/0x20 [ 239.910298] ? __run_timers+0x7da/0xc70 [ 239.914382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.919821] ? kasan_check_write+0x14/0x20 [ 239.924048] ? do_raw_spin_lock+0xc1/0x200 [ 239.928280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.932532] __run_timers+0x7e5/0xc70 [ 239.936323] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.941680] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.946690] ? timerqueue_add+0x207/0x2b0 [ 239.950829] ? enqueue_hrtimer+0x1a5/0x560 [ 239.955050] ? lock_release+0x970/0x970 [ 239.959016] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.964207] ? kasan_check_write+0x14/0x20 [ 239.968435] ? pvclock_read_flags+0x160/0x160 [ 239.972938] ? lock_downgrade+0x900/0x900 [ 239.977081] ? trace_hardirqs_on+0xbd/0x310 [ 239.981392] ? kvm_sched_clock_read+0x9/0x20 [ 239.985790] ? irq_exit+0x17f/0x1c0 [ 239.989408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.994936] ? check_preemption_disabled+0x48/0x200 [ 239.999940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.005482] run_timer_softirq+0x52/0xb0 [ 240.009555] ? __this_cpu_preempt_check+0x1c/0x1f [ 240.014391] __do_softirq+0x30b/0xad8 [ 240.018192] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.023303] ? pvclock_read_flags+0x160/0x160 [ 240.027796] ? lapic_next_event+0x5a/0x90 [ 240.031932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.037472] ? clockevents_program_event+0x140/0x370 [ 240.042574] ? kvm_clock_read+0x18/0x30 [ 240.046536] ? kvm_sched_clock_read+0x9/0x20 [ 240.050937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.056472] ? check_preemption_disabled+0x48/0x200 [ 240.061491] irq_exit+0x17f/0x1c0 [ 240.064939] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.069772] ? smp_reschedule_interrupt+0x109/0x650 [ 240.074775] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.080648] ? interrupt_entry+0xb5/0xf0 [ 240.084701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.089727] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.094734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.099576] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.104582] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.109590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.115690] ? check_preemption_disabled+0x48/0x200 [ 240.120704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.125540] apic_timer_interrupt+0xf/0x20 [ 240.129756] [ 240.131990] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 240.136909] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 240.155802] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 240.163516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 240.170770] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 240.178029] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 240.185288] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 240.192543] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 240.199811] ? trace_hardirqs_on+0xb4/0x310 [ 240.204126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.209662] skb_clone+0x1bb/0x500 [ 240.213198] ? finish_task_switch+0x2f5/0x900 [ 240.217684] ? skb_split+0x11e0/0x11e0 [ 240.221564] ? preempt_notifier_register+0x200/0x200 [ 240.226655] ? __switch_to_asm+0x34/0x70 [ 240.230707] ? __switch_to_asm+0x34/0x70 [ 240.234755] ? __switch_to_asm+0x40/0x70 [ 240.238804] ? __switch_to_asm+0x34/0x70 [ 240.242855] ? __switch_to_asm+0x40/0x70 [ 240.246905] ? __switch_to_asm+0x34/0x70 [ 240.251096] ? __switch_to_asm+0x40/0x70 [ 240.255135] ? __switch_to_asm+0x34/0x70 [ 240.259202] ? __switch_to_asm+0x34/0x70 [ 240.263252] ? __switch_to_asm+0x40/0x70 [ 240.267302] ? __switch_to_asm+0x34/0x70 [ 240.271356] bpf_clone_redirect+0xb9/0x490 [ 240.275582] ? __schedule+0x874/0x1ed0 [ 240.279788] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 240.284711] ? __sched_text_start+0x8/0x8 [ 240.288851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.293597] ? retint_kernel+0x2d/0x2d [ 240.297480] ? lock_acquire+0x1ed/0x520 [ 240.301459] ? bpf_test_run+0x32e/0x5a0 [ 240.305462] ? lock_release+0x970/0x970 [ 240.309434] ? preempt_schedule+0x4d/0x60 [ 240.313581] ? preempt_schedule_common+0x1f/0xd0 [ 240.318326] ? preempt_schedule+0x4d/0x60 [ 240.322472] ? ___preempt_schedule+0x16/0x18 [ 240.326870] ? bpf_test_run+0x1c0/0x5a0 [ 240.330837] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.335236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.340763] ? bpf_test_init.isra.9+0x70/0x100 [ 240.345337] ? bpf_prog_test_run_skb+0x634/0xb40 [ 240.350084] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.354914] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.360448] ? fput+0x130/0x1a0 [ 240.363718] ? __bpf_prog_get+0x9b/0x290 [ 240.367771] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.372604] ? bpf_prog_test_run+0x130/0x1a0 [ 240.377006] ? __x64_sys_bpf+0x3d8/0x510 [ 240.381056] ? bpf_prog_get+0x20/0x20 [ 240.384859] ? do_syscall_64+0x1b9/0x820 [ 240.388909] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.394264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.399336] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.404358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.409385] ? recalc_sigpending_tsk+0x180/0x180 [ 240.414135] ? kasan_check_write+0x14/0x20 [ 240.418362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.423195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.428557] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 240.428561] warn_alloc_show_mem: 1 callbacks suppressed [ 240.428567] Mem-Info: [ 240.435393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.440757] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 240.440757] active_file:16 inactive_file:17 isolated_file:0 [ 240.440757] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.440757] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 240.440757] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 240.440757] free:13792 free_pcp:309 free_cma:0 [ 240.443140] Call Trace: [ 240.453019] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.453022] Node 0 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 [ 240.453042] lowmem_reserve[]: 0 2819 6323 6323 [ 240.453054] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 240.453073] lowmem_reserve[]: 0 0 3503 3503 [ 240.453083] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 240.453103] lowmem_reserve[]: 0 0 0 0 [ 240.453114] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 240.453167] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 240.453220] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 240.453270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.453275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.453278] 4986 total pagecache pages [ 240.453282] 0 pages in swap cache [ 240.453287] Swap cache stats: add 0, delete 0, find 0/0 [ 240.453289] Free swap = 0kB [ 240.453292] Total swap = 0kB [ 240.453294] 1965979 pages RAM [ 240.453297] 0 pages HighMem/MovableOnly [ 240.453299] 342307 pages reserved [ 240.453301] 0 pages cma reserved [ 240.453344] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.453380] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.453383] syz-executor4 cpuset=syz4 mems_allowed=0 [ 240.741375] dump_stack+0x1c4/0x2b4 [ 240.745007] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.750197] warn_alloc.cold.119+0xb7/0x1bd [ 240.754509] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.759861] ? lock_downgrade+0x900/0x900 [ 240.764002] ? trace_hardirqs_off+0xb8/0x310 [ 240.768411] ? trace_hardirqs_off+0xb8/0x310 [ 240.772815] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.777663] ? warn_alloc+0x120/0x120 [ 240.781461] ? warn_alloc+0x120/0x120 [ 240.785254] ? warn_alloc+0x120/0x120 [ 240.789047] ? mark_held_locks+0x130/0x130 [ 240.793273] ? mark_held_locks+0x130/0x130 [ 240.797499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.803024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.808555] ? should_fail+0x22d/0xd01 [ 240.812436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.817529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.823059] ? should_fail+0x22d/0xd01 [ 240.826942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.832036] ? should_fail+0x22d/0xd01 [ 240.835923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.841019] ? mark_held_locks+0x130/0x130 [ 240.845244] ? mark_held_locks+0x130/0x130 [ 240.849473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.855511] ? trace_hardirqs_off+0xb8/0x310 [ 240.859913] ? kasan_check_read+0x11/0x20 [ 240.864050] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.868907] ? trace_hardirqs_on+0x310/0x310 [ 240.873328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.878857] ? wq_watchdog_touch+0x9c/0xfe [ 240.883091] ? io_serial_in+0x11/0x90 [ 240.886881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.892429] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.897989] __alloc_pages_nodemask+0xa80/0xde0 [ 240.902815] ? should_fail+0x22d/0xd01 [ 240.906715] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.911735] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.916397] ? lock_downgrade+0x900/0x900 [ 240.920542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.926072] cache_grow_begin+0x91/0x8c0 [ 240.930640] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.935351] fallback_alloc+0x203/0x2e0 [ 240.939976] ____cache_alloc_node+0x1c7/0x1e0 [ 240.944464] kmem_cache_alloc_node+0xe3/0x730 [ 240.948950] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.953179] __alloc_skb+0x119/0x770 [ 240.957330] ? skb_scrub_packet+0x490/0x490 [ 240.961644] ? lock_downgrade+0x900/0x900 [ 240.965785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.971311] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.976752] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.982207] ? addrconf_rs_timer+0x690/0x690 [ 240.986615] ndisc_alloc_skb+0x144/0x340 [ 240.990669] ndisc_send_rs+0x331/0x6e0 [ 240.994549] addrconf_rs_timer+0x314/0x690 [ 240.998772] ? lock_release+0x970/0x970 [ 241.002740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.006973] call_timer_fn+0x272/0x920 [ 241.010853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.015078] ? process_timeout+0x40/0x40 [ 241.019124] ? kasan_check_read+0x11/0x20 [ 241.023263] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.027661] ? trace_hardirqs_on+0x310/0x310 [ 241.032066] ? __run_timers+0x7da/0xc70 [ 241.036034] ? lock_downgrade+0x900/0x900 [ 241.040173] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.045268] ? trace_hardirqs_on+0xbd/0x310 [ 241.049575] ? kasan_check_read+0x11/0x20 [ 241.053715] ? __run_timers+0x7da/0xc70 [ 241.057678] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.063120] ? kasan_check_write+0x14/0x20 [ 241.067368] ? do_raw_spin_lock+0xc1/0x200 [ 241.071595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.075820] __run_timers+0x7e5/0xc70 [ 241.079620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.084972] ? compat_start_thread+0x80/0x80 [ 241.089374] ? dequeue_entity+0x1770/0x1770 [ 241.093787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.099312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.104842] ? kasan_check_write+0x14/0x20 [ 241.109597] ? finish_task_switch+0x2f5/0x900 [ 241.115886] ? __switch_to_asm+0x40/0x70 [ 241.119952] ? preempt_notifier_register+0x200/0x200 [ 241.125531] ? __switch_to_asm+0x34/0x70 [ 241.129581] ? __switch_to_asm+0x40/0x70 [ 241.133630] ? __switch_to_asm+0x34/0x70 [ 241.137683] ? __switch_to_asm+0x40/0x70 [ 241.141734] ? __switch_to_asm+0x34/0x70 [ 241.145869] ? __switch_to_asm+0x40/0x70 [ 241.149928] ? pvclock_read_flags+0x160/0x160 [ 241.154423] ? __schedule+0x874/0x1ed0 [ 241.158299] ? run_rebalance_domains+0x38d/0x500 [ 241.163487] ? trace_hardirqs_on+0xbd/0x310 [ 241.167998] ? kvm_sched_clock_read+0x9/0x20 [ 241.172397] ? run_ksoftirqd+0x94/0x100 [ 241.176371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.181899] ? check_preemption_disabled+0x48/0x200 [ 241.187360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.192896] run_timer_softirq+0x52/0xb0 [ 241.196951] ? __this_cpu_preempt_check+0x1c/0x1f [ 241.201782] __do_softirq+0x30b/0xad8 [ 241.205575] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.210666] ? trace_hardirqs_off+0xb8/0x310 [ 241.215067] ? schedule+0x108/0x460 [ 241.218689] ? __schedule+0x1ed0/0x1ed0 [ 241.222653] ? run_ksoftirqd+0x99/0x100 [ 241.226617] ? trace_hardirqs_off+0xb8/0x310 [ 241.231016] ? ___might_sleep+0x1ed/0x300 [ 241.235157] ? smpboot_thread_fn+0x68b/0xa00 [ 241.239560] ? trace_hardirqs_on+0x310/0x310 [ 241.243959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.249491] ? check_preemption_disabled+0x48/0x200 [ 241.254497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.260477] ? takeover_tasklets+0xa90/0xa90 [ 241.264881] run_ksoftirqd+0x94/0x100 [ 241.268671] smpboot_thread_fn+0x68b/0xa00 [ 241.272907] ? sort_range+0x30/0x30 [ 241.276524] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.281617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.287143] ? __kthread_parkme+0xfb/0x1a0 [ 241.291369] kthread+0x35a/0x420 [ 241.294724] ? sort_range+0x30/0x30 [ 241.298345] ? kthread_bind+0x40/0x40 [ 241.302139] ret_from_fork+0x3a/0x50 [ 241.305850] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 241.305902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.313116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.313120] Call Trace: [ 241.313125] [ 241.313139] dump_stack+0x1c4/0x2b4 [ 241.313155] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.320220] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.329521] warn_alloc.cold.119+0xb7/0x1bd [ 241.332071] ksoftirqd/1 cpuset= [ 241.334216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.337810] / [ 241.342985] ? lock_downgrade+0x900/0x900 [ 241.353268] mems_allowed=0 [ 241.357572] ? trace_hardirqs_off+0xb8/0x310 [ 241.378780] ? trace_hardirqs_off+0xb8/0x310 [ 241.383324] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.388197] ? warn_alloc+0x120/0x120 [ 241.392005] ? warn_alloc+0x120/0x120 [ 241.395800] ? warn_alloc+0x120/0x120 [ 241.399587] ? lock_release+0x970/0x970 [ 241.403554] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.408734] ? trace_hardirqs_on+0x310/0x310 [ 241.413132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.418658] ? should_fail+0x22d/0xd01 [ 241.422538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.427641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.433168] ? should_fail+0x22d/0xd01 [ 241.437049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.442141] ? should_fail+0x22d/0xd01 [ 241.446020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.451112] ? mark_held_locks+0x130/0x130 [ 241.456975] ? mark_held_locks+0x130/0x130 [ 241.461201] ? kvm_clock_read+0x18/0x30 [ 241.465164] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 241.470799] ? ktime_get+0x2e1/0x440 [ 241.474504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.480036] ? check_preemption_disabled+0x48/0x200 [ 241.485042] ? kasan_check_read+0x11/0x20 [ 241.490340] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.495613] ? rcu_bh_qs+0xc0/0xc0 [ 241.499144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.505229] ? check_preemption_disabled+0x48/0x200 [ 241.510236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 241.515243] ? widen_string+0xe0/0x2e0 [ 241.519487] __alloc_pages_nodemask+0xa80/0xde0 [ 241.524151] ? should_fail+0x22d/0xd01 [ 241.528033] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.533191] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.537857] ? lock_downgrade+0x900/0x900 [ 241.542578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.548103] cache_grow_begin+0x91/0x8c0 [ 241.552153] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.556556] fallback_alloc+0x203/0x2e0 [ 241.560525] ____cache_alloc_node+0x1c7/0x1e0 [ 241.565016] kmem_cache_alloc_node+0xe3/0x730 [ 241.569502] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.573732] __alloc_skb+0x119/0x770 [ 241.577438] ? skb_scrub_packet+0x490/0x490 [ 241.581753] ? lock_downgrade+0x900/0x900 [ 241.585892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.591420] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.597030] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.602473] ? addrconf_rs_timer+0x690/0x690 [ 241.606876] ndisc_alloc_skb+0x144/0x340 [ 241.610932] ndisc_send_rs+0x331/0x6e0 [ 241.614812] addrconf_rs_timer+0x314/0x690 [ 241.619041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.623271] call_timer_fn+0x272/0x920 [ 241.627151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.631379] ? process_timeout+0x40/0x40 [ 241.635428] ? trace_hardirqs_off+0xb8/0x310 [ 241.639829] ? kasan_check_read+0x11/0x20 [ 241.643969] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.648367] ? trace_hardirqs_on+0x310/0x310 [ 241.652767] ? __run_timers+0x7da/0xc70 [ 241.656736] ? lock_downgrade+0x900/0x900 [ 241.660874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.665967] ? trace_hardirqs_on+0xbd/0x310 [ 241.670275] ? kasan_check_read+0x11/0x20 [ 241.674418] ? __run_timers+0x7da/0xc70 [ 241.678387] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.683825] ? kasan_check_write+0x14/0x20 [ 241.688054] ? do_raw_spin_lock+0xc1/0x200 [ 241.692280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.696529] __run_timers+0x7e5/0xc70 [ 241.700343] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.705716] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.710723] ? timerqueue_add+0x207/0x2b0 [ 241.714867] ? enqueue_hrtimer+0x1a5/0x560 [ 241.719090] ? lock_release+0x970/0x970 [ 241.723052] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.728373] ? kasan_check_write+0x14/0x20 [ 241.732609] ? pvclock_read_flags+0x160/0x160 [ 241.737111] ? lock_downgrade+0x900/0x900 [ 241.741256] ? trace_hardirqs_on+0xbd/0x310 [ 241.745571] ? kvm_sched_clock_read+0x9/0x20 [ 241.749968] ? irq_exit+0x17f/0x1c0 [ 241.753585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.759111] ? check_preemption_disabled+0x48/0x200 [ 241.764120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.769654] run_timer_softirq+0x52/0xb0 [ 241.773703] ? __this_cpu_preempt_check+0x1c/0x1f [ 241.778532] __do_softirq+0x30b/0xad8 [ 241.782329] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.787424] ? pvclock_read_flags+0x160/0x160 [ 241.791911] ? lapic_next_event+0x5a/0x90 [ 241.796061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.801588] ? clockevents_program_event+0x140/0x370 [ 241.806707] ? kvm_clock_read+0x18/0x30 [ 241.810671] ? kvm_sched_clock_read+0x9/0x20 [ 241.815070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.820600] ? check_preemption_disabled+0x48/0x200 [ 241.825609] irq_exit+0x17f/0x1c0 [ 241.829057] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.833891] ? smp_reschedule_interrupt+0x109/0x650 [ 241.838899] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.844769] ? interrupt_entry+0xb5/0xf0 [ 241.848820] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.853826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.858835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.863665] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.868673] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.873677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.879208] ? check_preemption_disabled+0x48/0x200 [ 241.884221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.889166] apic_timer_interrupt+0xf/0x20 [ 241.893402] [ 241.895663] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.900584] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 241.919474] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.927169] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 241.934425] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 241.941683] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 241.948951] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 241.956317] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 241.963588] ? trace_hardirqs_on+0xb4/0x310 [ 241.967921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.973459] skb_clone+0x1bb/0x500 [ 241.976989] ? finish_task_switch+0x2f5/0x900 [ 241.981471] ? skb_split+0x11e0/0x11e0 [ 241.985349] ? preempt_notifier_register+0x200/0x200 [ 241.990439] ? __switch_to_asm+0x34/0x70 [ 241.994489] ? __switch_to_asm+0x34/0x70 [ 241.998537] ? __switch_to_asm+0x40/0x70 [ 242.002602] ? __switch_to_asm+0x34/0x70 [ 242.006648] ? __switch_to_asm+0x40/0x70 [ 242.010695] ? __switch_to_asm+0x34/0x70 [ 242.014746] ? __switch_to_asm+0x40/0x70 [ 242.018792] ? __switch_to_asm+0x34/0x70 [ 242.022842] ? __switch_to_asm+0x34/0x70 [ 242.026889] ? __switch_to_asm+0x40/0x70 [ 242.030957] ? __switch_to_asm+0x34/0x70 [ 242.035014] bpf_clone_redirect+0xb9/0x490 [ 242.039243] ? __schedule+0x874/0x1ed0 [ 242.043136] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 242.048055] ? __sched_text_start+0x8/0x8 [ 242.052192] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.056940] ? retint_kernel+0x2d/0x2d [ 242.060840] ? lock_acquire+0x1ed/0x520 [ 242.064803] ? bpf_test_run+0x32e/0x5a0 [ 242.068788] ? lock_release+0x970/0x970 [ 242.072765] ? preempt_schedule+0x4d/0x60 [ 242.076904] ? preempt_schedule_common+0x1f/0xd0 [ 242.081649] ? preempt_schedule+0x4d/0x60 [ 242.085784] ? ___preempt_schedule+0x16/0x18 [ 242.090186] ? bpf_test_run+0x1c0/0x5a0 [ 242.094158] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.098557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.104082] ? bpf_test_init.isra.9+0x70/0x100 [ 242.108652] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.113870] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.118702] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.124230] ? fput+0x130/0x1a0 [ 242.127513] ? __bpf_prog_get+0x9b/0x290 [ 242.131571] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.136407] ? bpf_prog_test_run+0x130/0x1a0 [ 242.140807] ? __x64_sys_bpf+0x3d8/0x510 [ 242.144856] ? bpf_prog_get+0x20/0x20 [ 242.148658] ? do_syscall_64+0x1b9/0x820 [ 242.152708] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.158062] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.163002] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.168028] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.173035] ? recalc_sigpending_tsk+0x180/0x180 [ 242.177786] ? kasan_check_write+0x14/0x20 [ 242.182028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.186867] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.192319] warn_alloc_show_mem: 1 callbacks suppressed [ 242.192328] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 242.192330] Mem-Info: [ 242.192358] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 242.192358] active_file:16 inactive_file:17 isolated_file:0 [ 242.192358] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.192358] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 242.192358] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 242.192358] free:13792 free_pcp:309 free_cma:0 [ 242.197686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.204514] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.206902] Call Trace: [ 242.239930] Node 0 [ 242.249286] dump_stack+0x1c4/0x2b4 [ 242.277319] 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 [ 242.280327] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.282533] lowmem_reserve[]: [ 242.286157] warn_alloc.cold.119+0xb7/0x1bd [ 242.311768] 0 2819 6323 6323 [ 242.311782] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 242.319644] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.322715] lowmem_reserve[]: 0 [ 242.327030] ? lock_downgrade+0x900/0x900 [ 242.330103] 0 [ 242.358181] ? trace_hardirqs_off+0xb8/0x310 [ 242.362994] 3503 [ 242.366264] ? trace_hardirqs_off+0xb8/0x310 [ 242.370383] 3503 [ 242.372176] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.376679] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 242.376700] lowmem_reserve[]: 0 0 0 0 [ 242.376712] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) [ 242.378851] ? warn_alloc+0x120/0x120 [ 242.383228] = 15908kB [ 242.383235] Node 0 [ 242.385289] ? warn_alloc+0x120/0x120 [ 242.390100] DMA32: [ 242.419152] ? warn_alloc+0x120/0x120 [ 242.422923] 6*4kB [ 242.435646] ? mark_held_locks+0x130/0x130 [ 242.439407] (UME) 2*8kB [ 242.441811] ? mark_held_locks+0x130/0x130 [ 242.444017] (UE) [ 242.447799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.450005] 4*16kB [ 242.454777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.457069] (UME) [ 242.461732] ? should_fail+0x22d/0xd01 [ 242.464372] 4*32kB [ 242.469077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.471111] (UME) [ 242.476629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.478836] 5*64kB [ 242.484793] ? should_fail+0x22d/0xd01 [ 242.486911] (ME) [ 242.490789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.492995] 5*128kB [ 242.498107] ? should_fail+0x22d/0xd01 [ 242.500224] (UME) [ 242.507041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.509268] 4*256kB [ 242.513132] ? mark_held_locks+0x130/0x130 [ 242.515163] (ME) [ 242.520769] ? mark_held_locks+0x130/0x130 [ 242.523061] 5*512kB [ 242.526930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.529047] (UME) [ 242.534607] ? trace_hardirqs_off+0xb8/0x310 [ 242.536898] 4*1024kB [ 242.541116] ? kasan_check_read+0x11/0x20 [ 242.543146] (UME) [ 242.547365] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.549985] 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 242.549998] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 242.550050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.550055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.550058] 4986 total pagecache pages [ 242.550063] 0 pages in swap cache [ 242.550067] Swap cache stats: add 0, delete 0, find 0/0 [ 242.550070] Free swap = 0kB [ 242.550073] Total swap = 0kB [ 242.550077] 1965979 pages RAM [ 242.550079] 0 pages HighMem/MovableOnly [ 242.550082] 342307 pages reserved [ 242.550084] 0 pages cma reserved [ 242.550130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.550167] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.550171] syz-executor4 cpuset=syz4 mems_allowed=0 [ 242.671848] ? trace_hardirqs_on+0x310/0x310 [ 242.677090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.683183] ? wq_watchdog_touch+0x9c/0xfe [ 242.687409] ? io_serial_in+0x11/0x90 [ 242.691200] ? retint_kernel+0x2d/0x2d [ 242.695082] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.700444] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.705191] ? trace_hardirqs_off+0x310/0x310 [ 242.710141] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.715246] __alloc_pages_nodemask+0xa80/0xde0 [ 242.719904] ? should_fail+0x22d/0xd01 [ 242.724268] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.729287] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.734390] ? lock_downgrade+0x900/0x900 [ 242.738532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.744064] cache_grow_begin+0x91/0x8c0 [ 242.748117] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.752518] fallback_alloc+0x203/0x2e0 [ 242.756996] ____cache_alloc_node+0x1c7/0x1e0 [ 242.761483] kmem_cache_alloc_node+0xe3/0x730 [ 242.766453] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.771404] __alloc_skb+0x119/0x770 [ 242.775150] ? skb_scrub_packet+0x490/0x490 [ 242.779460] ? lock_downgrade+0x900/0x900 [ 242.783602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.790091] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.795547] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.800986] ? addrconf_rs_timer+0x690/0x690 [ 242.805867] ndisc_alloc_skb+0x144/0x340 [ 242.810962] ndisc_send_rs+0x331/0x6e0 [ 242.817516] addrconf_rs_timer+0x314/0x690 [ 242.821744] ? lock_release+0x970/0x970 [ 242.825735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.829970] call_timer_fn+0x272/0x920 [ 242.833851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.838079] ? process_timeout+0x40/0x40 [ 242.842131] ? kasan_check_read+0x11/0x20 [ 242.846272] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.850674] ? trace_hardirqs_on+0x310/0x310 [ 242.855076] ? __run_timers+0x7da/0xc70 [ 242.859043] ? lock_downgrade+0x900/0x900 [ 242.863186] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.868288] ? trace_hardirqs_on+0xbd/0x310 [ 242.872595] ? kasan_check_read+0x11/0x20 [ 242.876736] ? __run_timers+0x7da/0xc70 [ 242.880705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.886151] ? kasan_check_write+0x14/0x20 [ 242.890377] ? do_raw_spin_lock+0xc1/0x200 [ 242.894604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.898948] __run_timers+0x7e5/0xc70 [ 242.902748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.908101] ? compat_start_thread+0x80/0x80 [ 242.912496] ? dequeue_entity+0x1770/0x1770 [ 242.917242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.922766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.928312] ? kasan_check_write+0x14/0x20 [ 242.932537] ? finish_task_switch+0x2f5/0x900 [ 242.937022] ? __switch_to_asm+0x40/0x70 [ 242.941555] ? preempt_notifier_register+0x200/0x200 [ 242.946648] ? __switch_to_asm+0x34/0x70 [ 242.950699] ? __switch_to_asm+0x40/0x70 [ 242.954754] ? __switch_to_asm+0x34/0x70 [ 242.958801] ? __switch_to_asm+0x40/0x70 [ 242.962849] ? __switch_to_asm+0x34/0x70 [ 242.966897] ? __switch_to_asm+0x40/0x70 [ 242.970951] ? pvclock_read_flags+0x160/0x160 [ 242.975946] ? __schedule+0x874/0x1ed0 [ 242.979822] ? run_rebalance_domains+0x38d/0x500 [ 242.984572] ? trace_hardirqs_on+0xbd/0x310 [ 242.988882] ? kvm_sched_clock_read+0x9/0x20 [ 242.993279] ? run_ksoftirqd+0x94/0x100 [ 242.997245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.003247] ? check_preemption_disabled+0x48/0x200 [ 243.008253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.013786] run_timer_softirq+0x52/0xb0 [ 243.017847] ? __this_cpu_preempt_check+0x1c/0x1f [ 243.022680] __do_softirq+0x30b/0xad8 [ 243.026476] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.031567] ? trace_hardirqs_off+0xb8/0x310 [ 243.035971] ? schedule+0x108/0x460 [ 243.039588] ? __schedule+0x1ed0/0x1ed0 [ 243.043556] ? run_ksoftirqd+0x99/0x100 [ 243.047521] ? trace_hardirqs_off+0xb8/0x310 [ 243.051923] ? ___might_sleep+0x1ed/0x300 [ 243.056060] ? smpboot_thread_fn+0x68b/0xa00 [ 243.060458] ? trace_hardirqs_on+0x310/0x310 [ 243.064860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.070386] ? check_preemption_disabled+0x48/0x200 [ 243.077204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.082747] ? takeover_tasklets+0xa90/0xa90 [ 243.087258] run_ksoftirqd+0x94/0x100 [ 243.091046] smpboot_thread_fn+0x68b/0xa00 [ 243.095270] ? sort_range+0x30/0x30 [ 243.098888] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.103981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.109507] ? __kthread_parkme+0xfb/0x1a0 [ 243.113746] kthread+0x35a/0x420 [ 243.117098] ? sort_range+0x30/0x30 [ 243.120716] ? kthread_bind+0x40/0x40 [ 243.125012] ret_from_fork+0x3a/0x50 [ 243.128742] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 243.128807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.136039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.136043] Call Trace: [ 243.136048] [ 243.136063] dump_stack+0x1c4/0x2b4 [ 243.136080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.142612] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.151885] warn_alloc.cold.119+0xb7/0x1bd [ 243.154439] ksoftirqd/1 cpuset= [ 243.156574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.160166] / [ 243.165348] ? lock_downgrade+0x900/0x900 [ 243.176624] mems_allowed=0 [ 243.197762] ? trace_hardirqs_off+0xb8/0x310 [ 243.202165] ? trace_hardirqs_off+0xb8/0x310 [ 243.206585] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.211430] ? warn_alloc+0x120/0x120 [ 243.215230] ? warn_alloc+0x120/0x120 [ 243.219021] ? warn_alloc+0x120/0x120 [ 243.222808] ? lock_release+0x970/0x970 [ 243.226786] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.231967] ? trace_hardirqs_on+0x310/0x310 [ 243.236367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.241895] ? should_fail+0x22d/0xd01 [ 243.245775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.250866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.256390] ? should_fail+0x22d/0xd01 [ 243.260271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.265360] ? should_fail+0x22d/0xd01 [ 243.269241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.274347] ? mark_held_locks+0x130/0x130 [ 243.278579] ? mark_held_locks+0x130/0x130 [ 243.282802] ? kvm_clock_read+0x18/0x30 [ 243.286780] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 243.291783] ? ktime_get+0x2e1/0x440 [ 243.295485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.301012] ? check_preemption_disabled+0x48/0x200 [ 243.306017] ? kasan_check_read+0x11/0x20 [ 243.310157] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.315433] ? rcu_bh_qs+0xc0/0xc0 [ 243.318965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.324493] ? check_preemption_disabled+0x48/0x200 [ 243.329497] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 243.334501] ? widen_string+0xe0/0x2e0 [ 243.338384] __alloc_pages_nodemask+0xa80/0xde0 [ 243.343044] ? should_fail+0x22d/0xd01 [ 243.346923] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.351943] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.356599] ? lock_downgrade+0x900/0x900 [ 243.360742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.366380] cache_grow_begin+0x91/0x8c0 [ 243.370433] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.374832] fallback_alloc+0x203/0x2e0 [ 243.378804] ____cache_alloc_node+0x1c7/0x1e0 [ 243.383305] kmem_cache_alloc_node+0xe3/0x730 [ 243.387790] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.392021] __alloc_skb+0x119/0x770 [ 243.395757] ? skb_scrub_packet+0x490/0x490 [ 243.400083] ? lock_downgrade+0x900/0x900 [ 243.404222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.409751] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.415198] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.420640] ? addrconf_rs_timer+0x690/0x690 [ 243.425040] ndisc_alloc_skb+0x144/0x340 [ 243.429090] ndisc_send_rs+0x331/0x6e0 [ 243.432969] addrconf_rs_timer+0x314/0x690 [ 243.437198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.441427] call_timer_fn+0x272/0x920 [ 243.445303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.449525] ? process_timeout+0x40/0x40 [ 243.454333] ? trace_hardirqs_off+0xb8/0x310 [ 243.458727] ? kasan_check_read+0x11/0x20 [ 243.462869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.467270] ? trace_hardirqs_on+0x310/0x310 [ 243.473904] ? __run_timers+0x7da/0xc70 [ 243.477878] ? lock_downgrade+0x900/0x900 [ 243.482034] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.487144] ? trace_hardirqs_on+0xbd/0x310 [ 243.491463] ? kasan_check_read+0x11/0x20 [ 243.496250] ? __run_timers+0x7da/0xc70 [ 243.500216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.505663] ? kasan_check_write+0x14/0x20 [ 243.509882] ? do_raw_spin_lock+0xc1/0x200 [ 243.514110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.518336] __run_timers+0x7e5/0xc70 [ 243.522132] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.527492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.532493] ? timerqueue_add+0x207/0x2b0 [ 243.536627] ? enqueue_hrtimer+0x1a5/0x560 [ 243.540849] ? lock_release+0x970/0x970 [ 243.544814] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.549997] ? kasan_check_write+0x14/0x20 [ 243.554237] ? pvclock_read_flags+0x160/0x160 [ 243.558721] ? lock_downgrade+0x900/0x900 [ 243.562874] ? trace_hardirqs_on+0xbd/0x310 [ 243.567193] ? kvm_sched_clock_read+0x9/0x20 [ 243.571588] ? irq_exit+0x17f/0x1c0 [ 243.575208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.580733] ? check_preemption_disabled+0x48/0x200 [ 243.585738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.591270] run_timer_softirq+0x52/0xb0 [ 243.595326] ? __this_cpu_preempt_check+0x1c/0x1f [ 243.600163] __do_softirq+0x30b/0xad8 [ 243.603962] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.609058] ? pvclock_read_flags+0x160/0x160 [ 243.613543] ? lapic_next_event+0x5a/0x90 [ 243.617682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.623227] ? clockevents_program_event+0x140/0x370 [ 243.628328] ? kvm_clock_read+0x18/0x30 [ 243.632291] ? kvm_sched_clock_read+0x9/0x20 [ 243.636690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.642216] ? check_preemption_disabled+0x48/0x200 [ 243.647224] irq_exit+0x17f/0x1c0 [ 243.650664] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.655495] ? smp_reschedule_interrupt+0x109/0x650 [ 243.660506] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.666378] ? interrupt_entry+0xb5/0xf0 [ 243.670431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.675439] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.680446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.685293] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.690320] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.695326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.700852] ? check_preemption_disabled+0x48/0x200 [ 243.705860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.710707] apic_timer_interrupt+0xf/0x20 [ 243.714924] [ 243.717168] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 243.722103] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 243.741027] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.748729] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 243.755987] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 243.763246] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 243.770506] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 243.777762] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 243.785030] ? trace_hardirqs_on+0xb4/0x310 [ 243.789346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.794879] skb_clone+0x1bb/0x500 [ 243.798415] ? finish_task_switch+0x2f5/0x900 [ 243.802901] ? skb_split+0x11e0/0x11e0 [ 243.806778] ? preempt_notifier_register+0x200/0x200 [ 243.811874] ? __switch_to_asm+0x34/0x70 [ 243.815922] ? __switch_to_asm+0x34/0x70 [ 243.819973] ? __switch_to_asm+0x40/0x70 [ 243.824022] ? __switch_to_asm+0x34/0x70 [ 243.828070] ? __switch_to_asm+0x40/0x70 [ 243.832123] ? __switch_to_asm+0x34/0x70 [ 243.836171] ? __switch_to_asm+0x40/0x70 [ 243.840217] ? __switch_to_asm+0x34/0x70 [ 243.844266] ? __switch_to_asm+0x34/0x70 [ 243.848310] ? __switch_to_asm+0x40/0x70 [ 243.852355] ? __switch_to_asm+0x34/0x70 [ 243.856407] bpf_clone_redirect+0xb9/0x490 [ 243.860634] ? __schedule+0x874/0x1ed0 [ 243.864525] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 243.869444] ? __sched_text_start+0x8/0x8 [ 243.873584] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.878331] ? retint_kernel+0x2d/0x2d [ 243.882208] ? lock_acquire+0x1ed/0x520 [ 243.886169] ? bpf_test_run+0x32e/0x5a0 [ 243.890138] ? lock_release+0x970/0x970 [ 243.894108] ? preempt_schedule+0x4d/0x60 [ 243.898255] ? preempt_schedule_common+0x1f/0xd0 [ 243.903000] ? preempt_schedule+0x4d/0x60 [ 243.907147] ? ___preempt_schedule+0x16/0x18 [ 243.911545] ? bpf_test_run+0x1c0/0x5a0 [ 243.915509] ? netlink_diag_dump+0x2a0/0x2a0 [ 243.919906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.925532] ? bpf_test_init.isra.9+0x70/0x100 [ 243.930107] ? bpf_prog_test_run_skb+0x634/0xb40 [ 243.934862] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.939697] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.945220] ? fput+0x130/0x1a0 [ 243.948487] ? __bpf_prog_get+0x9b/0x290 [ 243.952538] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.957379] ? bpf_prog_test_run+0x130/0x1a0 [ 243.961779] ? __x64_sys_bpf+0x3d8/0x510 [ 243.965827] ? bpf_prog_get+0x20/0x20 [ 243.969627] ? do_syscall_64+0x1b9/0x820 [ 243.973774] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.979143] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.984063] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.989069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.994072] ? recalc_sigpending_tsk+0x180/0x180 [ 243.998817] ? kasan_check_write+0x14/0x20 [ 244.003060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.007895] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.013258] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 244.013262] warn_alloc_show_mem: 1 callbacks suppressed [ 244.013268] Mem-Info: [ 244.020090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.020097] Call Trace: [ 244.025465] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 244.025465] active_file:16 inactive_file:17 isolated_file:0 [ 244.025465] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.025465] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 244.025465] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 244.025465] free:13792 free_pcp:309 free_cma:0 [ 244.027840] dump_stack+0x1c4/0x2b4 [ 244.037183] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.039750] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.072765] Node 0 [ 244.076381] warn_alloc.cold.119+0xb7/0x1bd [ 244.104212] 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 [ 244.109364] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.112016] lowmem_reserve[]: 0 [ 244.116339] ? lock_downgrade+0x900/0x900 [ 244.141812] 2819 [ 244.147112] ? trace_hardirqs_off+0xb8/0x310 [ 244.150361] 6323 [ 244.154490] ? trace_hardirqs_off+0xb8/0x310 [ 244.156520] 6323 [ 244.160913] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.167348] ? warn_alloc+0x120/0x120 [ 244.169368] Node 0 [ 244.174656] ? warn_alloc+0x120/0x120 [ 244.178461] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 244.180661] ? warn_alloc+0x120/0x120 [ 244.184455] lowmem_reserve[]: [ 244.212080] ? mark_held_locks+0x130/0x130 [ 244.215849] 0 [ 244.218953] ? mark_held_locks+0x130/0x130 [ 244.223153] 0 [ 244.224942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.229142] 3503 [ 244.230931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.236431] 3503 [ 244.236436] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 244.236457] lowmem_reserve[]: 0 0 0 0 [ 244.236468] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 244.236528] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 244.236579] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 244.238675] ? should_fail+0x22d/0xd01 [ 244.244188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.246230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.275173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.279461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.279477] ? should_fail+0x22d/0xd01 [ 244.292973] 4986 total pagecache pages [ 244.309090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.323794] 0 pages in swap cache [ 244.328185] ? should_fail+0x22d/0xd01 [ 244.336987] Swap cache stats: add 0, delete 0, find 0/0 [ 244.336994] Free swap = 0kB [ 244.342084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.350624] Total swap = 0kB [ 244.356162] ? mark_held_locks+0x130/0x130 [ 244.360024] 1965979 pages RAM [ 244.363895] ? mark_held_locks+0x130/0x130 [ 244.368968] 0 pages HighMem/MovableOnly [ 244.372403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.376254] 342307 pages reserved [ 244.381605] ? mark_held_locks+0x130/0x130 [ 244.384590] 0 pages cma reserved [ 244.390124] ? trace_hardirqs_on+0x310/0x310 [ 244.393161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.397331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.400459] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.404629] ? wq_watchdog_touch+0x9c/0xfe [ 244.408573] syz-executor4 cpuset= [ 244.414100] ? io_serial_in+0x11/0x90 [ 244.417522] syz4 [ 244.421741] ? retint_kernel+0x2d/0x2d [ 244.425085] mems_allowed=0 [ 244.429478] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.483148] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.487897] ? trace_hardirqs_off+0x310/0x310 [ 244.492380] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.497480] __alloc_pages_nodemask+0xa80/0xde0 [ 244.502141] ? should_fail+0x22d/0xd01 [ 244.506018] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.511036] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.515707] ? lock_downgrade+0x900/0x900 [ 244.519849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.525377] cache_grow_begin+0x91/0x8c0 [ 244.529908] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.535734] fallback_alloc+0x203/0x2e0 [ 244.540110] ____cache_alloc_node+0x1c7/0x1e0 [ 244.544601] kmem_cache_alloc_node+0xe3/0x730 [ 244.549092] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.553319] __alloc_skb+0x119/0x770 [ 244.557024] ? skb_scrub_packet+0x490/0x490 [ 244.561335] ? lock_downgrade+0x900/0x900 [ 244.565475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.570998] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.576436] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.582346] ? addrconf_rs_timer+0x690/0x690 [ 244.586749] ndisc_alloc_skb+0x144/0x340 [ 244.590798] ndisc_send_rs+0x331/0x6e0 [ 244.594692] addrconf_rs_timer+0x314/0x690 [ 244.599879] ? lock_release+0x970/0x970 [ 244.603864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.608100] call_timer_fn+0x272/0x920 [ 244.611975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.616201] ? process_timeout+0x40/0x40 [ 244.620247] ? kasan_check_read+0x11/0x20 [ 244.624384] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.628796] ? trace_hardirqs_on+0x310/0x310 [ 244.633706] ? __run_timers+0x7da/0xc70 [ 244.637670] ? lock_downgrade+0x900/0x900 [ 244.641810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.646904] ? trace_hardirqs_on+0xbd/0x310 [ 244.651224] ? kasan_check_read+0x11/0x20 [ 244.655364] ? __run_timers+0x7da/0xc70 [ 244.659330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.664772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.670302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.674526] __run_timers+0x7e5/0xc70 [ 244.678673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.684025] ? compat_start_thread+0x80/0x80 [ 244.688429] ? dequeue_entity+0x1770/0x1770 [ 244.692737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.698261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.703790] ? kasan_check_write+0x14/0x20 [ 244.708014] ? finish_task_switch+0x2f5/0x900 [ 244.712494] ? __switch_to_asm+0x40/0x70 [ 244.717012] ? preempt_notifier_register+0x200/0x200 [ 244.722105] ? __switch_to_asm+0x34/0x70 [ 244.726156] ? __switch_to_asm+0x40/0x70 [ 244.730202] ? __switch_to_asm+0x34/0x70 [ 244.734252] ? __switch_to_asm+0x40/0x70 [ 244.738299] ? __switch_to_asm+0x34/0x70 [ 244.742349] ? __switch_to_asm+0x40/0x70 [ 244.746406] ? pvclock_read_flags+0x160/0x160 [ 244.750896] ? __schedule+0x874/0x1ed0 [ 244.754771] ? run_rebalance_domains+0x38d/0x500 [ 244.759522] ? trace_hardirqs_on+0xbd/0x310 [ 244.763834] ? kvm_sched_clock_read+0x9/0x20 [ 244.768233] ? run_ksoftirqd+0x94/0x100 [ 244.772199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.777727] ? check_preemption_disabled+0x48/0x200 [ 244.782730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.788260] run_timer_softirq+0x52/0xb0 [ 244.792313] ? __this_cpu_preempt_check+0x1c/0x1f [ 244.797652] __do_softirq+0x30b/0xad8 [ 244.802964] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.808063] ? trace_hardirqs_off+0xb8/0x310 [ 244.812468] ? schedule+0x108/0x460 [ 244.816096] ? __schedule+0x1ed0/0x1ed0 [ 244.820063] ? run_ksoftirqd+0x99/0x100 [ 244.824027] ? trace_hardirqs_off+0xb8/0x310 [ 244.828927] ? ___might_sleep+0x1ed/0x300 [ 244.833704] ? smpboot_thread_fn+0x68b/0xa00 [ 244.838104] ? trace_hardirqs_on+0x310/0x310 [ 244.842505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.848473] ? check_preemption_disabled+0x48/0x200 [ 244.853478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.859008] ? takeover_tasklets+0xa90/0xa90 [ 244.863414] run_ksoftirqd+0x94/0x100 [ 244.867204] smpboot_thread_fn+0x68b/0xa00 [ 244.871428] ? sort_range+0x30/0x30 [ 244.875051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.880160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.885689] ? __kthread_parkme+0xfb/0x1a0 [ 244.889915] kthread+0x35a/0x420 [ 244.893271] ? sort_range+0x30/0x30 [ 244.896886] ? kthread_bind+0x40/0x40 [ 244.900674] ret_from_fork+0x3a/0x50 [ 244.904827] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 244.904905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.912105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.912109] Call Trace: [ 244.912114] [ 244.912129] dump_stack+0x1c4/0x2b4 [ 244.912147] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.918641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.927948] warn_alloc.cold.119+0xb7/0x1bd [ 244.930497] ksoftirqd/1 cpuset= [ 244.932644] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.936236] / [ 244.941412] ? lock_downgrade+0x900/0x900 [ 244.952188] mems_allowed=0 [ 244.956489] ? trace_hardirqs_off+0xb8/0x310 [ 244.978157] ? trace_hardirqs_off+0xb8/0x310 [ 244.982562] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.987409] ? warn_alloc+0x120/0x120 [ 244.991198] ? trace_hardirqs_on+0x310/0x310 [ 244.995595] ? warn_alloc+0x120/0x120 [ 244.999386] ? warn_alloc+0x120/0x120 [ 245.003172] ? ktime_get+0x2e1/0x440 [ 245.006875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.012403] ? check_preemption_disabled+0x48/0x200 [ 245.017413] ? kasan_check_read+0x11/0x20 [ 245.021546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.027079] ? should_fail+0x22d/0xd01 [ 245.030956] ? rcu_bh_qs+0xc0/0xc0 [ 245.034487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.039576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.045100] ? should_fail+0x22d/0xd01 [ 245.048979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.054069] ? should_fail+0x22d/0xd01 [ 245.057958] ? rcu_idle_enter+0x4b0/0x4b0 [ 245.062099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.067191] ? mark_held_locks+0x130/0x130 [ 245.071429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.076953] ? mark_held_locks+0x130/0x130 [ 245.081179] ? rcu_irq_exit+0xce/0x100 [ 245.085059] ? irq_exit+0xbd/0x1c0 [ 245.088590] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 245.093595] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.097991] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.103873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.109421] ? ret_from_intr+0xb/0x1e [ 245.113212] ? retint_kernel+0x2d/0x2d [ 245.117090] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.122008] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.126760] ? trace_hardirqs_off+0x310/0x310 [ 245.131336] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.136450] __alloc_pages_nodemask+0xa80/0xde0 [ 245.141112] ? should_fail+0x22d/0xd01 [ 245.144993] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.150043] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.154717] ? lock_downgrade+0x900/0x900 [ 245.158875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.164407] cache_grow_begin+0x91/0x8c0 [ 245.168461] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.172862] fallback_alloc+0x203/0x2e0 [ 245.176830] ____cache_alloc_node+0x1c7/0x1e0 [ 245.181318] kmem_cache_alloc_node+0xe3/0x730 [ 245.185805] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.190142] __alloc_skb+0x119/0x770 [ 245.193868] ? skb_scrub_packet+0x490/0x490 [ 245.198208] ? lock_downgrade+0x900/0x900 [ 245.202347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.207873] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.213321] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.218937] ? addrconf_rs_timer+0x690/0x690 [ 245.223340] ndisc_alloc_skb+0x144/0x340 [ 245.227395] ndisc_send_rs+0x331/0x6e0 [ 245.231743] addrconf_rs_timer+0x314/0x690 [ 245.235972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.240212] call_timer_fn+0x272/0x920 [ 245.244088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.248315] ? process_timeout+0x40/0x40 [ 245.252370] ? trace_hardirqs_off+0xb8/0x310 [ 245.256765] ? kasan_check_read+0x11/0x20 [ 245.260906] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.265307] ? trace_hardirqs_on+0x310/0x310 [ 245.269705] ? __run_timers+0x7da/0xc70 [ 245.273679] ? lock_downgrade+0x900/0x900 [ 245.277820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.282914] ? trace_hardirqs_on+0xbd/0x310 [ 245.287224] ? kasan_check_read+0x11/0x20 [ 245.291362] ? __run_timers+0x7da/0xc70 [ 245.295349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.300786] ? kasan_check_write+0x14/0x20 [ 245.305025] ? do_raw_spin_lock+0xc1/0x200 [ 245.309267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.313492] __run_timers+0x7e5/0xc70 [ 245.317291] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.322644] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.327650] ? timerqueue_add+0x207/0x2b0 [ 245.331790] ? enqueue_hrtimer+0x1a5/0x560 [ 245.336537] ? lock_release+0x970/0x970 [ 245.340502] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.345687] ? kasan_check_write+0x14/0x20 [ 245.349939] ? pvclock_read_flags+0x160/0x160 [ 245.354445] ? lock_downgrade+0x900/0x900 [ 245.358599] ? trace_hardirqs_on+0xbd/0x310 [ 245.362910] ? kvm_sched_clock_read+0x9/0x20 [ 245.367307] ? irq_exit+0x17f/0x1c0 [ 245.370925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.376451] ? check_preemption_disabled+0x48/0x200 [ 245.381456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.386985] run_timer_softirq+0x52/0xb0 [ 245.391046] ? __this_cpu_preempt_check+0x1c/0x1f [ 245.395889] __do_softirq+0x30b/0xad8 [ 245.399685] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.404778] ? pvclock_read_flags+0x160/0x160 [ 245.409265] ? lapic_next_event+0x5a/0x90 [ 245.413507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.419038] ? clockevents_program_event+0x140/0x370 [ 245.424135] ? kvm_clock_read+0x18/0x30 [ 245.428099] ? kvm_sched_clock_read+0x9/0x20 [ 245.432499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.438031] ? check_preemption_disabled+0x48/0x200 [ 245.443043] irq_exit+0x17f/0x1c0 [ 245.446519] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.451355] ? smp_reschedule_interrupt+0x109/0x650 [ 245.456540] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.462412] ? interrupt_entry+0xb5/0xf0 [ 245.466467] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.471657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.476664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.481498] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.486504] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.491661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.497193] ? check_preemption_disabled+0x48/0x200 [ 245.502206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.509338] apic_timer_interrupt+0xf/0x20 [ 245.513573] [ 245.515807] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.520729] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 245.539620] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.547319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 245.554579] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 245.561940] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 245.569200] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 245.576456] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.583724] ? trace_hardirqs_on+0xb4/0x310 [ 245.588040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.593574] skb_clone+0x1bb/0x500 [ 245.597109] ? finish_task_switch+0x2f5/0x900 [ 245.601592] ? skb_split+0x11e0/0x11e0 [ 245.605470] ? preempt_notifier_register+0x200/0x200 [ 245.610582] ? __switch_to_asm+0x34/0x70 [ 245.614633] ? __switch_to_asm+0x34/0x70 [ 245.618682] ? __switch_to_asm+0x40/0x70 [ 245.622743] ? __switch_to_asm+0x34/0x70 [ 245.626796] ? __switch_to_asm+0x40/0x70 [ 245.630863] ? __switch_to_asm+0x34/0x70 [ 245.634915] ? __switch_to_asm+0x40/0x70 [ 245.638975] ? __switch_to_asm+0x34/0x70 [ 245.643029] ? __switch_to_asm+0x34/0x70 [ 245.647085] ? __switch_to_asm+0x40/0x70 [ 245.651154] ? __switch_to_asm+0x34/0x70 [ 245.655221] bpf_clone_redirect+0xb9/0x490 [ 245.659571] ? __schedule+0x874/0x1ed0 [ 245.663491] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 245.668415] ? __sched_text_start+0x8/0x8 [ 245.672556] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.677304] ? retint_kernel+0x2d/0x2d [ 245.681185] ? lock_acquire+0x1ed/0x520 [ 245.685149] ? bpf_test_run+0x32e/0x5a0 [ 245.689123] ? lock_release+0x970/0x970 [ 245.693088] ? preempt_schedule+0x4d/0x60 [ 245.697231] ? preempt_schedule_common+0x1f/0xd0 [ 245.701984] ? preempt_schedule+0x4d/0x60 [ 245.706129] ? ___preempt_schedule+0x16/0x18 [ 245.710529] ? bpf_test_run+0x1c0/0x5a0 [ 245.714498] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.718898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.724421] ? bpf_test_init.isra.9+0x70/0x100 [ 245.729014] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.733760] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.738596] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.744123] ? fput+0x130/0x1a0 [ 245.747394] ? __bpf_prog_get+0x9b/0x290 [ 245.751467] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.756299] ? bpf_prog_test_run+0x130/0x1a0 [ 245.760726] ? __x64_sys_bpf+0x3d8/0x510 [ 245.764779] ? bpf_prog_get+0x20/0x20 [ 245.768577] ? do_syscall_64+0x1b9/0x820 [ 245.772630] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.777993] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.782914] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.787920] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.792926] ? recalc_sigpending_tsk+0x180/0x180 [ 245.797673] ? kasan_check_write+0x14/0x20 [ 245.801900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.806734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.812096] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 245.812100] warn_alloc_show_mem: 1 callbacks suppressed [ 245.812106] Mem-Info: [ 245.818934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.824295] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 245.824295] active_file:16 inactive_file:17 isolated_file:0 [ 245.824295] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.824295] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 245.824295] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 245.824295] free:13792 free_pcp:309 free_cma:0 [ 245.826661] Call Trace: [ 245.836040] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 245.869073] dump_stack+0x1c4/0x2b4 [ 245.871625] Node 0 [ 245.899466] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.903083] 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 [ 245.905292] warn_alloc.cold.119+0xb7/0x1bd [ 245.910440] lowmem_reserve[]: 0 [ 245.935934] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.940235] 2819 [ 245.943519] ? lock_downgrade+0x900/0x900 [ 245.948326] 6323 [ 245.950377] ? trace_hardirqs_off+0xb8/0x310 [ 245.954492] 6323 [ 245.956538] ? trace_hardirqs_off+0xb8/0x310 [ 245.962969] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.967351] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 245.972196] ? warn_alloc+0x120/0x120 [ 245.972211] ? warn_alloc+0x120/0x120 [ 245.999952] lowmem_reserve[]: [ 246.003754] ? warn_alloc+0x120/0x120 [ 246.007519] 0 [ 246.010771] ? mark_held_locks+0x130/0x130 [ 246.014537] 0 3503 [ 246.016329] ? mark_held_locks+0x130/0x130 [ 246.020532] 3503 [ 246.022755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.029003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.034507] Node 0 [ 246.040025] ? should_fail+0x22d/0xd01 [ 246.040057] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 246.042258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.046111] lowmem_reserve[]: 0 [ 246.074941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.080007] 0 [ 246.083272] ? should_fail+0x22d/0xd01 [ 246.088776] 0 [ 246.090562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.094418] 0 [ 246.096207] ? should_fail+0x22d/0xd01 [ 246.103065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.106921] Node 0 DMA: [ 246.112305] ? mark_held_locks+0x130/0x130 [ 246.112319] ? mark_held_locks+0x130/0x130 [ 246.114967] 1*4kB [ 246.119189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.123389] (U) [ 246.125526] ? trace_hardirqs_off+0xb8/0x310 [ 246.131029] 0*8kB [ 246.132990] ? kasan_check_read+0x11/0x20 [ 246.137369] 0*16kB [ 246.139504] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.143615] 1*32kB [ 246.145831] ? trace_hardirqs_on+0x310/0x310 [ 246.150204] (U) [ 246.152431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.156807] 2*64kB [ 246.158764] ? wq_watchdog_touch+0x9c/0xfe [ 246.164267] (U) [ 246.166488] ? io_serial_in+0x11/0x90 [ 246.170687] 1*128kB [ 246.172644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.176408] (U) [ 246.178720] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.184222] 1*256kB (U) [ 246.186643] __alloc_pages_nodemask+0xa80/0xde0 [ 246.191719] 0*512kB [ 246.194375] ? should_fail+0x22d/0xd01 [ 246.199018] 1*1024kB [ 246.201330] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.205182] (U) [ 246.208074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.213048] 1*2048kB [ 246.215007] ? lock_downgrade+0x900/0x900 [ 246.219640] (M) [ 246.222036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.226150] 3*4096kB [ 246.228121] cache_grow_begin+0x91/0x8c0 [ 246.233622] (M) [ 246.236019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.240049] = 15908kB [ 246.242014] fallback_alloc+0x203/0x2e0 [ 246.246387] Node 0 [ 246.248782] ____cache_alloc_node+0x1c7/0x1e0 [ 246.252734] DMA32: [ 246.254960] kmem_cache_alloc_node+0xe3/0x730 [ 246.259422] 6*4kB [ 246.262925] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.267411] (UME) [ 246.269553] __alloc_skb+0x119/0x770 [ 246.273753] 2*8kB (UE) [ 246.276397] ? skb_scrub_packet+0x490/0x490 [ 246.280401] 4*16kB [ 246.283445] ? lock_downgrade+0x900/0x900 [ 246.287727] (UME) [ 246.289954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.294068] 4*32kB [ 246.296205] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.301707] (UME) [ 246.304178] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.309590] 5*64kB (ME) [ 246.311736] ? addrconf_rs_timer+0x690/0x690 [ 246.317153] 5*128kB [ 246.319811] ndisc_alloc_skb+0x144/0x340 [ 246.324186] (UME) [ 246.326495] ndisc_send_rs+0x331/0x6e0 [ 246.330528] 4*256kB (ME) [ 246.332671] addrconf_rs_timer+0x314/0x690 [ 246.336527] 5*512kB [ 246.339268] ? lock_release+0x970/0x970 [ 246.343471] (UME) [ 246.345781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.349728] 4*1024kB [ 246.351863] call_timer_fn+0x272/0x920 [ 246.356061] (UME) [ 246.358463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.362316] 2*2048kB [ 246.364451] ? process_timeout+0x40/0x40 [ 246.368652] (ME) [ 246.371047] ? kasan_check_read+0x11/0x20 [ 246.375076] 3*4096kB [ 246.377126] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.381238] (M) [ 246.383632] ? trace_hardirqs_on+0x310/0x310 [ 246.388006] = 25256kB [ 246.389965] ? __run_timers+0x7da/0xc70 [ 246.394351] Node 0 [ 246.396746] ? lock_downgrade+0x900/0x900 [ 246.400689] Normal: [ 246.403135] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.407253] 1063*4kB [ 246.409560] ? trace_hardirqs_on+0xbd/0x310 [ 246.414629] (UMEH) [ 246.417020] ? kasan_check_read+0x11/0x20 [ 246.421312] 420*8kB [ 246.423532] ? __run_timers+0x7da/0xc70 [ 246.427655] (UME) [ 246.429963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.433907] 170*16kB (UMEH) [ 246.436047] ? kasan_check_write+0x14/0x20 [ 246.441465] 65*32kB [ 246.444465] ? do_raw_spin_lock+0xc1/0x200 [ 246.448664] (UME) [ 246.450971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.455319] 9*64kB (UM) [ 246.457463] __run_timers+0x7e5/0xc70 [ 246.461666] 0*128kB [ 246.464326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.468091] 0*256kB [ 246.470397] ? compat_start_thread+0x80/0x80 [ 246.475723] 0*512kB 1*1024kB [ 246.478046] ? dequeue_entity+0x1770/0x1770 [ 246.482763] (H) [ 246.487934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.487949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.492239] 0*2048kB [ 246.494202] ? kasan_check_write+0x14/0x20 [ 246.499710] 0*4096kB [ 246.505229] ? finish_task_switch+0x2f5/0x900 [ 246.507609] = 14012kB [ 246.511828] ? __switch_to_asm+0x40/0x70 [ 246.514216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.518688] ? preempt_notifier_register+0x200/0x200 [ 246.521072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.525110] ? __switch_to_asm+0x34/0x70 [ 246.533920] 4986 total pagecache pages [ 246.538999] ? __switch_to_asm+0x40/0x70 [ 246.547553] 0 pages in swap cache [ 246.551593] ? __switch_to_asm+0x34/0x70 [ 246.555452] Swap cache stats: add 0, delete 0, find 0/0 [ 246.559497] ? __switch_to_asm+0x40/0x70 [ 246.562934] Free swap = 0kB [ 246.566976] ? __switch_to_asm+0x34/0x70 [ 246.572310] Total swap = 0kB [ 246.576348] ? __switch_to_asm+0x40/0x70 [ 246.579332] 1965979 pages RAM [ 246.583429] ? pvclock_read_flags+0x160/0x160 [ 246.586410] 0 pages HighMem/MovableOnly [ 246.590456] ? __schedule+0x874/0x1ed0 [ 246.593528] 342307 pages reserved [ 246.598022] ? run_rebalance_domains+0x38d/0x500 [ 246.601967] 0 pages cma reserved [ 246.605837] ? trace_hardirqs_on+0xbd/0x310 [ 246.609314] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.613992] ? kvm_sched_clock_read+0x9/0x20 [ 246.614005] ? run_ksoftirqd+0x94/0x100 [ 246.614021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.617392] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.621661] ? check_preemption_disabled+0x48/0x200 [ 246.628117] syz-executor4 cpuset= [ 246.632978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.636990] syz4 mems_allowed=0 [ 246.670941] run_timer_softirq+0x52/0xb0 [ 246.674998] ? __this_cpu_preempt_check+0x1c/0x1f [ 246.680316] __do_softirq+0x30b/0xad8 [ 246.684110] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.689205] ? trace_hardirqs_off+0xb8/0x310 [ 246.693608] ? schedule+0x108/0x460 [ 246.697225] ? __schedule+0x1ed0/0x1ed0 [ 246.701189] ? run_ksoftirqd+0x99/0x100 [ 246.705153] ? trace_hardirqs_off+0xb8/0x310 [ 246.709555] ? ___might_sleep+0x1ed/0x300 [ 246.713692] ? smpboot_thread_fn+0x68b/0xa00 [ 246.718092] ? trace_hardirqs_on+0x310/0x310 [ 246.722492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.728022] ? check_preemption_disabled+0x48/0x200 [ 246.733027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.738555] ? takeover_tasklets+0xa90/0xa90 [ 246.742953] run_ksoftirqd+0x94/0x100 [ 246.746742] smpboot_thread_fn+0x68b/0xa00 [ 246.750968] ? sort_range+0x30/0x30 [ 246.754582] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.759673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.765709] ? __kthread_parkme+0xfb/0x1a0 [ 246.772180] kthread+0x35a/0x420 [ 246.775537] ? sort_range+0x30/0x30 [ 246.779155] ? kthread_bind+0x40/0x40 [ 246.783461] ret_from_fork+0x3a/0x50 [ 246.787178] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 246.787228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.794443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.794447] Call Trace: [ 246.794451] [ 246.794467] dump_stack+0x1c4/0x2b4 [ 246.794495] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.801006] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.810301] warn_alloc.cold.119+0xb7/0x1bd [ 246.812873] ksoftirqd/1 cpuset= [ 246.815006] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.818598] / [ 246.823769] ? lock_downgrade+0x900/0x900 [ 246.834072] mems_allowed=0 [ 246.838378] ? trace_hardirqs_off+0xb8/0x310 [ 246.859569] ? trace_hardirqs_off+0xb8/0x310 [ 246.863977] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.868821] ? warn_alloc+0x120/0x120 [ 246.872612] ? warn_alloc+0x120/0x120 [ 246.876404] ? warn_alloc+0x120/0x120 [ 246.880494] ? mark_held_locks+0x130/0x130 [ 246.884726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.890285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.895809] ? should_fail+0x22d/0xd01 [ 246.899793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.904892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.910602] ? should_fail+0x22d/0xd01 [ 246.914481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.919574] ? should_fail+0x22d/0xd01 [ 246.923455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.928561] ? mark_held_locks+0x130/0x130 [ 246.932786] ? mark_held_locks+0x130/0x130 [ 246.937013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.942543] ? trace_hardirqs_off+0xb8/0x310 [ 246.946941] ? kasan_check_read+0x11/0x20 [ 246.951080] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.955478] ? trace_hardirqs_on+0x310/0x310 [ 246.959890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.965419] ? wq_watchdog_touch+0x9c/0xfe [ 246.969642] ? io_serial_in+0x11/0x90 [ 246.973431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.978960] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.984056] __alloc_pages_nodemask+0xa80/0xde0 [ 246.988727] ? should_fail+0x22d/0xd01 [ 246.994475] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.999494] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.004170] ? lock_downgrade+0x900/0x900 [ 247.008311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.013839] cache_grow_begin+0x91/0x8c0 [ 247.017903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.022309] fallback_alloc+0x203/0x2e0 [ 247.026278] ____cache_alloc_node+0x1c7/0x1e0 [ 247.030765] kmem_cache_alloc_node+0xe3/0x730 [ 247.035253] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.039483] __alloc_skb+0x119/0x770 [ 247.043192] ? skb_scrub_packet+0x490/0x490 [ 247.047502] ? lock_downgrade+0x900/0x900 [ 247.051651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.057179] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.062620] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.068064] ? addrconf_rs_timer+0x690/0x690 [ 247.072474] ndisc_alloc_skb+0x144/0x340 [ 247.076545] ndisc_send_rs+0x331/0x6e0 [ 247.080429] addrconf_rs_timer+0x314/0x690 [ 247.084664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.088901] call_timer_fn+0x272/0x920 [ 247.092781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.097006] ? process_timeout+0x40/0x40 [ 247.101060] ? trace_hardirqs_off+0xb8/0x310 [ 247.105454] ? kasan_check_read+0x11/0x20 [ 247.109594] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.113990] ? trace_hardirqs_on+0x310/0x310 [ 247.118393] ? __run_timers+0x7da/0xc70 [ 247.122375] ? lock_downgrade+0x900/0x900 [ 247.126519] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.131613] ? trace_hardirqs_on+0xbd/0x310 [ 247.135925] ? kasan_check_read+0x11/0x20 [ 247.140063] ? __run_timers+0x7da/0xc70 [ 247.144026] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.149466] ? kasan_check_write+0x14/0x20 [ 247.153693] ? do_raw_spin_lock+0xc1/0x200 [ 247.157925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.162148] __run_timers+0x7e5/0xc70 [ 247.165956] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.171320] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.176328] ? timerqueue_add+0x207/0x2b0 [ 247.180470] ? enqueue_hrtimer+0x1a5/0x560 [ 247.184697] ? lock_release+0x970/0x970 [ 247.188659] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.193848] ? kasan_check_write+0x14/0x20 [ 247.198082] ? pvclock_read_flags+0x160/0x160 [ 247.202565] ? lock_downgrade+0x900/0x900 [ 247.206721] ? trace_hardirqs_on+0xbd/0x310 [ 247.211034] ? kvm_sched_clock_read+0x9/0x20 [ 247.215433] ? irq_exit+0x17f/0x1c0 [ 247.219050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.224580] ? check_preemption_disabled+0x48/0x200 [ 247.229584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.235113] run_timer_softirq+0x52/0xb0 [ 247.239164] ? __this_cpu_preempt_check+0x1c/0x1f [ 247.244002] __do_softirq+0x30b/0xad8 [ 247.247799] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.252895] ? pvclock_read_flags+0x160/0x160 [ 247.257380] ? lapic_next_event+0x5a/0x90 [ 247.261540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.267066] ? clockevents_program_event+0x140/0x370 [ 247.272273] ? kvm_clock_read+0x18/0x30 [ 247.276234] ? kvm_sched_clock_read+0x9/0x20 [ 247.280633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.286160] ? check_preemption_disabled+0x48/0x200 [ 247.291168] irq_exit+0x17f/0x1c0 [ 247.294611] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.299449] ? smp_reschedule_interrupt+0x109/0x650 [ 247.304458] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.310331] ? interrupt_entry+0xb5/0xf0 [ 247.314386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.319393] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.324401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.329234] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.334250] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.339253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.344777] ? check_preemption_disabled+0x48/0x200 [ 247.349785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.354619] apic_timer_interrupt+0xf/0x20 [ 247.358851] [ 247.361083] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.366006] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 247.385008] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 247.392710] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 247.399976] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 247.407232] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 247.414493] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 247.421749] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.429011] ? trace_hardirqs_on+0xb4/0x310 [ 247.433423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.439009] skb_clone+0x1bb/0x500 [ 247.442538] ? finish_task_switch+0x2f5/0x900 [ 247.447025] ? skb_split+0x11e0/0x11e0 [ 247.450903] ? preempt_notifier_register+0x200/0x200 [ 247.456819] ? __switch_to_asm+0x34/0x70 [ 247.460886] ? __switch_to_asm+0x34/0x70 [ 247.464938] ? __switch_to_asm+0x40/0x70 [ 247.468988] ? __switch_to_asm+0x34/0x70 [ 247.473520] ? __switch_to_asm+0x40/0x70 [ 247.477570] ? __switch_to_asm+0x34/0x70 [ 247.481622] ? __switch_to_asm+0x40/0x70 [ 247.485672] ? __switch_to_asm+0x34/0x70 [ 247.489727] ? __switch_to_asm+0x34/0x70 [ 247.493787] ? __switch_to_asm+0x40/0x70 [ 247.497847] ? __switch_to_asm+0x34/0x70 [ 247.501906] bpf_clone_redirect+0xb9/0x490 [ 247.506132] ? __schedule+0x874/0x1ed0 [ 247.510012] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 247.514935] ? __sched_text_start+0x8/0x8 [ 247.519078] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.523840] ? retint_kernel+0x2d/0x2d [ 247.527730] ? lock_acquire+0x1ed/0x520 [ 247.531691] ? bpf_test_run+0x32e/0x5a0 [ 247.535656] ? lock_release+0x970/0x970 [ 247.539621] ? preempt_schedule+0x4d/0x60 [ 247.543759] ? preempt_schedule_common+0x1f/0xd0 [ 247.548507] ? preempt_schedule+0x4d/0x60 [ 247.552643] ? ___preempt_schedule+0x16/0x18 [ 247.557044] ? bpf_test_run+0x1c0/0x5a0 [ 247.561009] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.565409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.570930] ? bpf_test_init.isra.9+0x70/0x100 [ 247.575503] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.580249] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.585080] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.590601] ? fput+0x130/0x1a0 [ 247.593870] ? __bpf_prog_get+0x9b/0x290 [ 247.597918] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.602746] ? bpf_prog_test_run+0x130/0x1a0 [ 247.607143] ? __x64_sys_bpf+0x3d8/0x510 [ 247.611192] ? bpf_prog_get+0x20/0x20 [ 247.614990] ? do_syscall_64+0x1b9/0x820 [ 247.619040] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.624392] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.629310] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.634314] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.639324] ? recalc_sigpending_tsk+0x180/0x180 [ 247.644065] ? kasan_check_write+0x14/0x20 [ 247.648292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.653128] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.658485] warn_alloc_show_mem: 1 callbacks suppressed [ 247.658494] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 247.658496] Mem-Info: [ 247.658525] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 247.658525] active_file:16 inactive_file:17 isolated_file:0 [ 247.658525] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.658525] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 247.658525] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 247.658525] free:13792 free_pcp:309 free_cma:0 [ 247.663853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.663859] Call Trace: [ 247.670694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.673104] dump_stack+0x1c4/0x2b4 [ 247.706139] Node 0 [ 247.715485] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.718062] 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 [ 247.746956] warn_alloc.cold.119+0xb7/0x1bd [ 247.750548] lowmem_reserve[]: [ 247.752770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.757928] 0 [ 247.783416] ? lock_downgrade+0x900/0x900 [ 247.787703] 2819 [ 247.790804] ? trace_hardirqs_off+0xb8/0x310 [ 247.795617] 6323 [ 247.797407] ? trace_hardirqs_off+0xb8/0x310 [ 247.801676] 6323 [ 247.804630] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.811085] ? warn_alloc+0x120/0x120 [ 247.815452] Node 0 [ 247.817510] ? warn_alloc+0x120/0x120 [ 247.822338] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 247.826104] ? warn_alloc+0x120/0x120 [ 247.828309] lowmem_reserve[]: 0 [ 247.832104] ? mark_held_locks+0x130/0x130 [ 247.859043] 0 3503 [ 247.862839] ? mark_held_locks+0x130/0x130 [ 247.866084] 3503 [ 247.870800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.877231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.879264] Node 0 [ 247.884794] ? should_fail+0x22d/0xd01 [ 247.890332] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 247.892532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.896382] lowmem_reserve[]: 0 [ 247.925294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.925311] ? should_fail+0x22d/0xd01 [ 247.930384] 0 [ 247.933646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.939152] 0 [ 247.943025] ? should_fail+0x22d/0xd01 [ 247.944795] 0 [ 247.949896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.955536] ? mark_held_locks+0x130/0x130 [ 247.957304] Node 0 DMA: [ 247.962399] ? mark_held_locks+0x130/0x130 [ 247.966606] 1*4kB [ 247.969417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.973619] (U) [ 247.975766] ? trace_hardirqs_off+0xb8/0x310 [ 247.981288] 0*8kB [ 247.983251] ? kasan_check_read+0x11/0x20 [ 247.987628] 0*16kB [ 247.989762] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.993879] 1*32kB (U) [ 247.996107] ? trace_hardirqs_on+0x310/0x310 [ 248.000483] 2*64kB [ 248.003050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.007437] (U) [ 248.009661] ? wq_watchdog_touch+0x9c/0xfe [ 248.015277] 1*128kB (U) [ 248.017249] ? io_serial_in+0x11/0x90 [ 248.021449] 1*256kB [ 248.024102] ? retint_kernel+0x2d/0x2d [ 248.027879] (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 248.027912] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 248.027970] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 248.028034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.028040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.028043] 4986 total pagecache pages [ 248.028047] 0 pages in swap cache [ 248.028052] Swap cache stats: add 0, delete 0, find 0/0 [ 248.028054] Free swap = 0kB [ 248.028057] Total swap = 0kB [ 248.028060] 1965979 pages RAM [ 248.028063] 0 pages HighMem/MovableOnly [ 248.028065] 342307 pages reserved [ 248.028068] 0 pages cma reserved [ 248.028125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.028162] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.028165] syz-executor4 cpuset=syz4 mems_allowed=0 [ 248.146884] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.151806] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.156550] ? trace_hardirqs_off+0x310/0x310 [ 248.161036] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.166136] __alloc_pages_nodemask+0xa80/0xde0 [ 248.170801] ? should_fail+0x22d/0xd01 [ 248.174683] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.179706] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.184365] ? lock_downgrade+0x900/0x900 [ 248.188515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.194042] cache_grow_begin+0x91/0x8c0 [ 248.198094] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.202494] fallback_alloc+0x203/0x2e0 [ 248.206469] ____cache_alloc_node+0x1c7/0x1e0 [ 248.210960] kmem_cache_alloc_node+0xe3/0x730 [ 248.215449] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.219681] __alloc_skb+0x119/0x770 [ 248.223384] ? skb_scrub_packet+0x490/0x490 [ 248.227693] ? lock_downgrade+0x900/0x900 [ 248.231835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.237363] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.242806] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.248248] ? addrconf_rs_timer+0x690/0x690 [ 248.252658] ndisc_alloc_skb+0x144/0x340 [ 248.256716] ndisc_send_rs+0x331/0x6e0 [ 248.260610] addrconf_rs_timer+0x314/0x690 [ 248.264832] ? lock_release+0x970/0x970 [ 248.268807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.273044] call_timer_fn+0x272/0x920 [ 248.276919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.281652] ? process_timeout+0x40/0x40 [ 248.286181] ? kasan_check_read+0x11/0x20 [ 248.290321] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.294721] ? trace_hardirqs_on+0x310/0x310 [ 248.299128] ? __run_timers+0x7da/0xc70 [ 248.303090] ? lock_downgrade+0x900/0x900 [ 248.307235] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.312329] ? trace_hardirqs_on+0xbd/0x310 [ 248.316638] ? kasan_check_read+0x11/0x20 [ 248.321271] ? __run_timers+0x7da/0xc70 [ 248.325243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.330924] ? kasan_check_write+0x14/0x20 [ 248.335149] ? do_raw_spin_lock+0xc1/0x200 [ 248.339381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.344308] __run_timers+0x7e5/0xc70 [ 248.350765] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.356146] ? compat_start_thread+0x80/0x80 [ 248.360543] ? dequeue_entity+0x1770/0x1770 [ 248.364857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.370387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.375913] ? kasan_check_write+0x14/0x20 [ 248.380138] ? finish_task_switch+0x2f5/0x900 [ 248.384626] ? __switch_to_asm+0x40/0x70 [ 248.388675] ? preempt_notifier_register+0x200/0x200 [ 248.393772] ? __switch_to_asm+0x34/0x70 [ 248.397822] ? __switch_to_asm+0x40/0x70 [ 248.401868] ? __switch_to_asm+0x34/0x70 [ 248.405917] ? __switch_to_asm+0x40/0x70 [ 248.409965] ? __switch_to_asm+0x34/0x70 [ 248.414013] ? __switch_to_asm+0x40/0x70 [ 248.418065] ? pvclock_read_flags+0x160/0x160 [ 248.423036] ? __schedule+0x874/0x1ed0 [ 248.426912] ? run_rebalance_domains+0x38d/0x500 [ 248.431661] ? trace_hardirqs_on+0xbd/0x310 [ 248.435975] ? kvm_sched_clock_read+0x9/0x20 [ 248.440375] ? run_ksoftirqd+0x94/0x100 [ 248.444342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.449870] ? check_preemption_disabled+0x48/0x200 [ 248.460397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.465930] run_timer_softirq+0x52/0xb0 [ 248.469984] ? __this_cpu_preempt_check+0x1c/0x1f [ 248.474819] __do_softirq+0x30b/0xad8 [ 248.478625] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.484208] ? trace_hardirqs_off+0xb8/0x310 [ 248.488619] ? schedule+0x108/0x460 [ 248.492240] ? __schedule+0x1ed0/0x1ed0 [ 248.496207] ? run_ksoftirqd+0x99/0x100 [ 248.500171] ? trace_hardirqs_off+0xb8/0x310 [ 248.504571] ? ___might_sleep+0x1ed/0x300 [ 248.508711] ? smpboot_thread_fn+0x68b/0xa00 [ 248.517553] ? trace_hardirqs_on+0x310/0x310 [ 248.521956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.527945] ? check_preemption_disabled+0x48/0x200 [ 248.532951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.538482] ? takeover_tasklets+0xa90/0xa90 [ 248.542880] run_ksoftirqd+0x94/0x100 [ 248.546672] smpboot_thread_fn+0x68b/0xa00 [ 248.550899] ? sort_range+0x30/0x30 [ 248.554514] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.559605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.565130] ? __kthread_parkme+0xfb/0x1a0 [ 248.569356] kthread+0x35a/0x420 [ 248.572797] ? sort_range+0x30/0x30 [ 248.576414] ? kthread_bind+0x40/0x40 [ 248.580203] ret_from_fork+0x3a/0x50 [ 248.583917] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 248.583967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.591183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.591186] Call Trace: [ 248.591191] [ 248.591205] dump_stack+0x1c4/0x2b4 [ 248.591222] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.597738] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.607028] warn_alloc.cold.119+0xb7/0x1bd [ 248.609577] ksoftirqd/1 cpuset= [ 248.611721] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.615315] / [ 248.620486] ? lock_downgrade+0x900/0x900 [ 248.630778] mems_allowed=0 [ 248.635085] ? trace_hardirqs_off+0xb8/0x310 [ 248.656274] ? trace_hardirqs_off+0xb8/0x310 [ 248.660680] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.665530] ? warn_alloc+0x120/0x120 [ 248.669324] ? warn_alloc+0x120/0x120 [ 248.673115] ? warn_alloc+0x120/0x120 [ 248.676907] ? lock_release+0x970/0x970 [ 248.680871] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.686049] ? trace_hardirqs_on+0x310/0x310 [ 248.690460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.695988] ? should_fail+0x22d/0xd01 [ 248.699871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.704961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.710485] ? should_fail+0x22d/0xd01 [ 248.714362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.719452] ? should_fail+0x22d/0xd01 [ 248.723687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.728832] ? mark_held_locks+0x130/0x130 [ 248.733057] ? mark_held_locks+0x130/0x130 [ 248.737297] ? kvm_clock_read+0x18/0x30 [ 248.741261] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.746263] ? ktime_get+0x2e1/0x440 [ 248.749980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.755506] ? check_preemption_disabled+0x48/0x200 [ 248.760516] ? kasan_check_read+0x11/0x20 [ 248.764658] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.769922] ? rcu_bh_qs+0xc0/0xc0 [ 248.773456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.778985] ? check_preemption_disabled+0x48/0x200 [ 248.783992] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.788997] ? widen_string+0xe0/0x2e0 [ 248.792880] __alloc_pages_nodemask+0xa80/0xde0 [ 248.797539] ? should_fail+0x22d/0xd01 [ 248.801424] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.806440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.811103] ? lock_downgrade+0x900/0x900 [ 248.815258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.820789] cache_grow_begin+0x91/0x8c0 [ 248.824843] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.829248] fallback_alloc+0x203/0x2e0 [ 248.833216] ____cache_alloc_node+0x1c7/0x1e0 [ 248.837713] kmem_cache_alloc_node+0xe3/0x730 [ 248.842203] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.846430] __alloc_skb+0x119/0x770 [ 248.850135] ? skb_scrub_packet+0x490/0x490 [ 248.854444] ? lock_downgrade+0x900/0x900 [ 248.858585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.864113] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.869571] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.875011] ? addrconf_rs_timer+0x690/0x690 [ 248.879414] ndisc_alloc_skb+0x144/0x340 [ 248.883470] ndisc_send_rs+0x331/0x6e0 [ 248.887351] addrconf_rs_timer+0x314/0x690 [ 248.891778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.896048] call_timer_fn+0x272/0x920 [ 248.899934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.904175] ? process_timeout+0x40/0x40 [ 248.908230] ? trace_hardirqs_off+0xb8/0x310 [ 248.912625] ? kasan_check_read+0x11/0x20 [ 248.916768] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.921167] ? trace_hardirqs_on+0x310/0x310 [ 248.925568] ? __run_timers+0x7da/0xc70 [ 248.929531] ? lock_downgrade+0x900/0x900 [ 248.933670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.938809] ? trace_hardirqs_on+0xbd/0x310 [ 248.943116] ? kasan_check_read+0x11/0x20 [ 248.947252] ? __run_timers+0x7da/0xc70 [ 248.951221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.956667] ? kasan_check_write+0x14/0x20 [ 248.960899] ? do_raw_spin_lock+0xc1/0x200 [ 248.965126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.969349] __run_timers+0x7e5/0xc70 [ 248.973148] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.978503] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.983512] ? timerqueue_add+0x207/0x2b0 [ 248.987652] ? enqueue_hrtimer+0x1a5/0x560 [ 248.991876] ? lock_release+0x970/0x970 [ 248.995839] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.001031] ? kasan_check_write+0x14/0x20 [ 249.005364] ? pvclock_read_flags+0x160/0x160 [ 249.009847] ? lock_downgrade+0x900/0x900 [ 249.013991] ? trace_hardirqs_on+0xbd/0x310 [ 249.018300] ? kvm_sched_clock_read+0x9/0x20 [ 249.022701] ? irq_exit+0x17f/0x1c0 [ 249.026329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.031861] ? check_preemption_disabled+0x48/0x200 [ 249.036870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.042401] run_timer_softirq+0x52/0xb0 [ 249.046454] ? __this_cpu_preempt_check+0x1c/0x1f [ 249.051292] __do_softirq+0x30b/0xad8 [ 249.055090] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.060182] ? pvclock_read_flags+0x160/0x160 [ 249.064668] ? lapic_next_event+0x5a/0x90 [ 249.068816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.074346] ? clockevents_program_event+0x140/0x370 [ 249.079442] ? kvm_clock_read+0x18/0x30 [ 249.083405] ? kvm_sched_clock_read+0x9/0x20 [ 249.087805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.093334] ? check_preemption_disabled+0x48/0x200 [ 249.098346] irq_exit+0x17f/0x1c0 [ 249.101792] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.106623] ? smp_reschedule_interrupt+0x109/0x650 [ 249.112111] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.117985] ? interrupt_entry+0xb5/0xf0 [ 249.122034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.127038] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.132045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.136875] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.141882] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.146888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.152416] ? check_preemption_disabled+0x48/0x200 [ 249.157427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.162264] apic_timer_interrupt+0xf/0x20 [ 249.166480] [ 249.168712] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.173635] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 249.192527] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 249.200228] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 249.207486] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 249.214744] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 249.222000] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 249.229258] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.236633] ? trace_hardirqs_on+0xb4/0x310 [ 249.240959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.246493] skb_clone+0x1bb/0x500 [ 249.250027] ? finish_task_switch+0x2f5/0x900 [ 249.254543] ? skb_split+0x11e0/0x11e0 [ 249.258423] ? preempt_notifier_register+0x200/0x200 [ 249.263533] ? __switch_to_asm+0x34/0x70 [ 249.267585] ? __switch_to_asm+0x34/0x70 [ 249.271633] ? __switch_to_asm+0x40/0x70 [ 249.275695] ? __switch_to_asm+0x34/0x70 [ 249.279743] ? __switch_to_asm+0x40/0x70 [ 249.283794] ? __switch_to_asm+0x34/0x70 [ 249.287841] ? __switch_to_asm+0x40/0x70 [ 249.291887] ? __switch_to_asm+0x34/0x70 [ 249.295934] ? __switch_to_asm+0x34/0x70 [ 249.299980] ? __switch_to_asm+0x40/0x70 [ 249.304030] ? __switch_to_asm+0x34/0x70 [ 249.308081] bpf_clone_redirect+0xb9/0x490 [ 249.312300] ? __schedule+0x874/0x1ed0 [ 249.316180] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 249.321098] ? __sched_text_start+0x8/0x8 [ 249.325238] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.329986] ? retint_kernel+0x2d/0x2d [ 249.333883] ? lock_acquire+0x1ed/0x520 [ 249.337841] ? bpf_test_run+0x32e/0x5a0 [ 249.341807] ? lock_release+0x970/0x970 [ 249.345800] ? preempt_schedule+0x4d/0x60 [ 249.349936] ? preempt_schedule_common+0x1f/0xd0 [ 249.354687] ? preempt_schedule+0x4d/0x60 [ 249.358829] ? ___preempt_schedule+0x16/0x18 [ 249.363227] ? bpf_test_run+0x1c0/0x5a0 [ 249.367192] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.371597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.377123] ? bpf_test_init.isra.9+0x70/0x100 [ 249.381817] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.386567] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.391397] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.396920] ? fput+0x130/0x1a0 [ 249.400190] ? __bpf_prog_get+0x9b/0x290 [ 249.404247] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.409077] ? bpf_prog_test_run+0x130/0x1a0 [ 249.413473] ? __x64_sys_bpf+0x3d8/0x510 [ 249.417523] ? bpf_prog_get+0x20/0x20 [ 249.421322] ? do_syscall_64+0x1b9/0x820 [ 249.425372] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.430728] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.435657] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.440698] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.445704] ? recalc_sigpending_tsk+0x180/0x180 [ 249.450449] ? kasan_check_write+0x14/0x20 [ 249.455145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.459986] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.465344] warn_alloc_show_mem: 1 callbacks suppressed [ 249.465353] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 249.465355] Mem-Info: [ 249.465383] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 249.465383] active_file:16 inactive_file:17 isolated_file:0 [ 249.465383] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.465383] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 249.465383] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 249.465383] free:13792 free_pcp:309 free_cma:0 [ 249.471161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.471172] Call Trace: [ 249.478006] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.480402] dump_stack+0x1c4/0x2b4 [ 249.516367] Node 0 [ 249.527404] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.529987] 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 [ 249.558259] warn_alloc.cold.119+0xb7/0x1bd [ 249.561850] lowmem_reserve[]: [ 249.564072] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.569226] 0 [ 249.598174] ? lock_downgrade+0x900/0x900 [ 249.602459] 2819 [ 249.605553] ? trace_hardirqs_off+0xb8/0x310 [ 249.610357] 6323 6323 [ 249.612152] ? trace_hardirqs_off+0xb8/0x310 [ 249.616272] Node 0 [ 249.618320] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.622717] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 249.625207] ? warn_alloc+0x120/0x120 [ 249.629571] lowmem_reserve[]: [ 249.631796] ? warn_alloc+0x120/0x120 [ 249.636607] 0 0 [ 249.664052] ? warn_alloc+0x120/0x120 [ 249.667825] 3503 [ 249.670913] ? mark_held_locks+0x130/0x130 [ 249.674677] 3503 [ 249.676644] ? mark_held_locks+0x130/0x130 [ 249.682462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.686677] Node 0 [ 249.688723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.692948] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 249.698446] ? should_fail+0x22d/0xd01 [ 249.700654] lowmem_reserve[]: [ 249.706180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.734519] 0 0 [ 249.738404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.741474] 0 [ 249.747062] ? should_fail+0x22d/0xd01 [ 249.749000] 0 [ 249.754526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.756298] Node 0 [ 249.760168] ? should_fail+0x22d/0xd01 [ 249.761939] DMA: [ 249.768213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.770450] 1*4kB [ 249.776177] ? mark_held_locks+0x130/0x130 [ 249.778218] (U) [ 249.783309] ? mark_held_locks+0x130/0x130 [ 249.785426] 0*8kB [ 249.789649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.791597] 0*16kB [ 249.795820] ? trace_hardirqs_off+0xb8/0x310 [ 249.797949] 1*32kB [ 249.803466] ? kasan_check_read+0x11/0x20 [ 249.805673] (U) [ 249.810087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.812295] 2*64kB [ 249.816422] ? trace_hardirqs_on+0x310/0x310 [ 249.818367] (U) [ 249.822759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.824963] 1*128kB [ 249.829351] ? wq_watchdog_touch+0x9c/0xfe [ 249.831295] (U) [ 249.836817] ? io_serial_in+0x11/0x90 [ 249.839109] 1*256kB [ 249.843325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.845266] (U) 0*512kB [ 249.849055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.851346] 1*1024kB [ 249.856866] __alloc_pages_nodemask+0xa80/0xde0 [ 249.859501] (U) [ 249.864584] ? should_fail+0x22d/0xd01 [ 249.866965] 1*2048kB [ 249.871624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.873587] (M) [ 249.877472] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.879844] 3*4096kB [ 249.884843] ? lock_downgrade+0x900/0x900 [ 249.886784] (M) [ 249.891436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.893815] = 15908kB [ 249.897947] cache_grow_begin+0x91/0x8c0 [ 249.899890] Node 0 [ 249.905409] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.907785] DMA32: [ 249.911843] fallback_alloc+0x203/0x2e0 [ 249.914044] 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 249.914093] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 249.914154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.918553] ____cache_alloc_node+0x1c7/0x1e0 [ 249.920860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.924822] kmem_cache_alloc_node+0xe3/0x730 [ 249.939700] 4986 total pagecache pages [ 249.954423] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.963227] 0 pages in swap cache [ 249.967709] __alloc_skb+0x119/0x770 [ 249.976253] Swap cache stats: add 0, delete 0, find 0/0 [ 249.980727] ? skb_scrub_packet+0x490/0x490 [ 249.984582] Free swap = 0kB [ 249.988801] ? lock_downgrade+0x900/0x900 [ 249.992218] Total swap = 0kB [ 249.992225] 1965979 pages RAM [ 249.995925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.001262] 0 pages HighMem/MovableOnly [ 250.005575] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.008559] 342307 pages reserved [ 250.012697] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.015685] 0 pages cma reserved [ 250.018776] ? addrconf_rs_timer+0x690/0x690 [ 250.024324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.028250] ndisc_alloc_skb+0x144/0x340 [ 250.033725] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.037101] ndisc_send_rs+0x331/0x6e0 [ 250.042536] syz-executor4 cpuset= [ 250.046684] addrconf_rs_timer+0x314/0x690 [ 250.051057] syz4 [ 250.057531] ? lock_release+0x970/0x970 [ 250.061561] mems_allowed=0 [ 250.072029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.096749] call_timer_fn+0x272/0x920 [ 250.101136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.105361] ? process_timeout+0x40/0x40 [ 250.109414] ? kasan_check_read+0x11/0x20 [ 250.113936] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.118335] ? trace_hardirqs_on+0x310/0x310 [ 250.122740] ? __run_timers+0x7da/0xc70 [ 250.126707] ? lock_downgrade+0x900/0x900 [ 250.130849] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.136429] ? trace_hardirqs_on+0xbd/0x310 [ 250.140739] ? kasan_check_read+0x11/0x20 [ 250.144873] ? __run_timers+0x7da/0xc70 [ 250.148835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.154272] ? kasan_check_write+0x14/0x20 [ 250.158494] ? do_raw_spin_lock+0xc1/0x200 [ 250.163318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.167545] __run_timers+0x7e5/0xc70 [ 250.171443] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.176883] ? compat_start_thread+0x80/0x80 [ 250.181278] ? dequeue_entity+0x1770/0x1770 [ 250.185599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.191610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.197150] ? kasan_check_write+0x14/0x20 [ 250.201377] ? finish_task_switch+0x2f5/0x900 [ 250.205859] ? __switch_to_asm+0x40/0x70 [ 250.209910] ? preempt_notifier_register+0x200/0x200 [ 250.215004] ? __switch_to_asm+0x34/0x70 [ 250.219051] ? __switch_to_asm+0x40/0x70 [ 250.223097] ? __switch_to_asm+0x34/0x70 [ 250.227150] ? __switch_to_asm+0x40/0x70 [ 250.231201] ? __switch_to_asm+0x34/0x70 [ 250.235248] ? __switch_to_asm+0x40/0x70 [ 250.239303] ? pvclock_read_flags+0x160/0x160 [ 250.243785] ? __schedule+0x874/0x1ed0 [ 250.247660] ? run_rebalance_domains+0x38d/0x500 [ 250.252408] ? trace_hardirqs_on+0xbd/0x310 [ 250.256716] ? kvm_sched_clock_read+0x9/0x20 [ 250.261118] ? run_ksoftirqd+0x94/0x100 [ 250.265084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.270617] ? check_preemption_disabled+0x48/0x200 [ 250.275625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.281658] run_timer_softirq+0x52/0xb0 [ 250.285711] ? __this_cpu_preempt_check+0x1c/0x1f [ 250.290548] __do_softirq+0x30b/0xad8 [ 250.294349] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.299439] ? trace_hardirqs_off+0xb8/0x310 [ 250.305614] ? schedule+0x108/0x460 [ 250.309564] ? __schedule+0x1ed0/0x1ed0 [ 250.313538] ? run_ksoftirqd+0x99/0x100 [ 250.317505] ? trace_hardirqs_off+0xb8/0x310 [ 250.321906] ? ___might_sleep+0x1ed/0x300 [ 250.326041] ? smpboot_thread_fn+0x68b/0xa00 [ 250.330436] ? trace_hardirqs_on+0x310/0x310 [ 250.335834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.341855] ? check_preemption_disabled+0x48/0x200 [ 250.346877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.352403] ? takeover_tasklets+0xa90/0xa90 [ 250.356804] run_ksoftirqd+0x94/0x100 [ 250.360597] smpboot_thread_fn+0x68b/0xa00 [ 250.364822] ? sort_range+0x30/0x30 [ 250.368922] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.374488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.380014] ? __kthread_parkme+0xfb/0x1a0 [ 250.384238] kthread+0x35a/0x420 [ 250.387593] ? sort_range+0x30/0x30 [ 250.391206] ? kthread_bind+0x40/0x40 [ 250.395491] ret_from_fork+0x3a/0x50 [ 250.399203] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 250.399253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.406464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.406468] Call Trace: [ 250.406473] [ 250.406487] dump_stack+0x1c4/0x2b4 [ 250.406503] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.413018] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.422308] warn_alloc.cold.119+0xb7/0x1bd [ 250.424856] ksoftirqd/1 cpuset= [ 250.426991] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.430586] / [ 250.435761] ? lock_downgrade+0x900/0x900 [ 250.446038] mems_allowed=0 [ 250.450340] ? trace_hardirqs_off+0xb8/0x310 [ 250.474318] ? trace_hardirqs_off+0xb8/0x310 [ 250.478722] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.483998] ? warn_alloc+0x120/0x120 [ 250.487787] ? trace_hardirqs_on+0x310/0x310 [ 250.492207] ? warn_alloc+0x120/0x120 [ 250.496003] ? warn_alloc+0x120/0x120 [ 250.499791] ? ktime_get+0x2e1/0x440 [ 250.503513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.509039] ? check_preemption_disabled+0x48/0x200 [ 250.514048] ? kasan_check_read+0x11/0x20 [ 250.518187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.523714] ? should_fail+0x22d/0xd01 [ 250.527593] ? rcu_bh_qs+0xc0/0xc0 [ 250.531122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.536218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.541845] ? should_fail+0x22d/0xd01 [ 250.545725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.550813] ? should_fail+0x22d/0xd01 [ 250.554688] ? rcu_idle_enter+0x4b0/0x4b0 [ 250.558826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.563915] ? mark_held_locks+0x130/0x130 [ 250.568139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.573670] ? mark_held_locks+0x130/0x130 [ 250.577894] ? rcu_irq_exit+0xce/0x100 [ 250.581769] ? irq_exit+0xbd/0x1c0 [ 250.585299] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 250.590302] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.594698] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.600587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.606113] ? ret_from_intr+0xb/0x1e [ 250.609902] ? retint_kernel+0x2d/0x2d [ 250.613776] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.618711] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.623454] ? trace_hardirqs_off+0x310/0x310 [ 250.627938] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.633034] __alloc_pages_nodemask+0xa80/0xde0 [ 250.637690] ? should_fail+0x22d/0xd01 [ 250.641573] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.646589] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.651257] ? lock_downgrade+0x900/0x900 [ 250.655396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.660925] cache_grow_begin+0x91/0x8c0 [ 250.664979] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.669383] fallback_alloc+0x203/0x2e0 [ 250.673347] ____cache_alloc_node+0x1c7/0x1e0 [ 250.677834] kmem_cache_alloc_node+0xe3/0x730 [ 250.682316] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.686549] __alloc_skb+0x119/0x770 [ 250.690271] ? skb_scrub_packet+0x490/0x490 [ 250.694586] ? lock_downgrade+0x900/0x900 [ 250.698722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.704247] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.709686] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.715129] ? addrconf_rs_timer+0x690/0x690 [ 250.719533] ndisc_alloc_skb+0x144/0x340 [ 250.723598] ndisc_send_rs+0x331/0x6e0 [ 250.727479] addrconf_rs_timer+0x314/0x690 [ 250.731703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.736067] call_timer_fn+0x272/0x920 [ 250.739987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.744209] ? process_timeout+0x40/0x40 [ 250.748254] ? trace_hardirqs_off+0xb8/0x310 [ 250.752651] ? kasan_check_read+0x11/0x20 [ 250.756789] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.761202] ? trace_hardirqs_on+0x310/0x310 [ 250.765605] ? __run_timers+0x7da/0xc70 [ 250.769577] ? lock_downgrade+0x900/0x900 [ 250.773713] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.778801] ? trace_hardirqs_on+0xbd/0x310 [ 250.783109] ? kasan_check_read+0x11/0x20 [ 250.787244] ? __run_timers+0x7da/0xc70 [ 250.791205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.796643] ? kasan_check_write+0x14/0x20 [ 250.800879] ? do_raw_spin_lock+0xc1/0x200 [ 250.805105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.809328] __run_timers+0x7e5/0xc70 [ 250.813123] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.818475] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.823496] ? timerqueue_add+0x207/0x2b0 [ 250.827635] ? enqueue_hrtimer+0x1a5/0x560 [ 250.831853] ? lock_release+0x970/0x970 [ 250.835820] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.840998] ? kasan_check_write+0x14/0x20 [ 250.845226] ? pvclock_read_flags+0x160/0x160 [ 250.849709] ? lock_downgrade+0x900/0x900 [ 250.853848] ? trace_hardirqs_on+0xbd/0x310 [ 250.858161] ? kvm_sched_clock_read+0x9/0x20 [ 250.862563] ? irq_exit+0x17f/0x1c0 [ 250.866180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.871705] ? check_preemption_disabled+0x48/0x200 [ 250.876708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.882235] run_timer_softirq+0x52/0xb0 [ 250.886288] ? __this_cpu_preempt_check+0x1c/0x1f [ 250.891140] __do_softirq+0x30b/0xad8 [ 250.894935] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.900051] ? pvclock_read_flags+0x160/0x160 [ 250.904537] ? lapic_next_event+0x5a/0x90 [ 250.908673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.914198] ? clockevents_program_event+0x140/0x370 [ 250.919294] ? kvm_clock_read+0x18/0x30 [ 250.923260] ? kvm_sched_clock_read+0x9/0x20 [ 250.927668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.933194] ? check_preemption_disabled+0x48/0x200 [ 250.938315] irq_exit+0x17f/0x1c0 [ 250.941765] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.946618] ? smp_reschedule_interrupt+0x109/0x650 [ 250.951621] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.957493] ? interrupt_entry+0xb5/0xf0 [ 250.961553] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.966565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.971585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.976416] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.981418] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.986425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.991953] ? check_preemption_disabled+0x48/0x200 [ 250.996962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.001811] apic_timer_interrupt+0xf/0x20 [ 251.006027] [ 251.008254] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.013172] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 251.032061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 251.039757] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 251.047014] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 251.054270] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 251.061531] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 251.068791] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.076060] ? trace_hardirqs_on+0xb4/0x310 [ 251.080377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.085902] skb_clone+0x1bb/0x500 [ 251.089428] ? finish_task_switch+0x2f5/0x900 [ 251.093906] ? skb_split+0x11e0/0x11e0 [ 251.097780] ? preempt_notifier_register+0x200/0x200 [ 251.102871] ? __switch_to_asm+0x34/0x70 [ 251.106923] ? __switch_to_asm+0x34/0x70 [ 251.110969] ? __switch_to_asm+0x40/0x70 [ 251.115033] ? __switch_to_asm+0x34/0x70 [ 251.119081] ? __switch_to_asm+0x40/0x70 [ 251.123146] ? __switch_to_asm+0x34/0x70 [ 251.127195] ? __switch_to_asm+0x40/0x70 [ 251.131239] ? __switch_to_asm+0x34/0x70 [ 251.135324] ? __switch_to_asm+0x34/0x70 [ 251.139372] ? __switch_to_asm+0x40/0x70 [ 251.143422] ? __switch_to_asm+0x34/0x70 [ 251.147476] bpf_clone_redirect+0xb9/0x490 [ 251.151704] ? __schedule+0x874/0x1ed0 [ 251.155606] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 251.160542] ? __sched_text_start+0x8/0x8 [ 251.164681] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.169426] ? retint_kernel+0x2d/0x2d [ 251.173317] ? lock_acquire+0x1ed/0x520 [ 251.177279] ? bpf_test_run+0x32e/0x5a0 [ 251.181247] ? lock_release+0x970/0x970 [ 251.185209] ? preempt_schedule+0x4d/0x60 [ 251.189347] ? preempt_schedule_common+0x1f/0xd0 [ 251.194087] ? preempt_schedule+0x4d/0x60 [ 251.198222] ? ___preempt_schedule+0x16/0x18 [ 251.202620] ? bpf_test_run+0x1c0/0x5a0 [ 251.206591] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.210989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.216527] ? bpf_test_init.isra.9+0x70/0x100 [ 251.221097] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.225849] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.230686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.236211] ? fput+0x130/0x1a0 [ 251.239481] ? __bpf_prog_get+0x9b/0x290 [ 251.243539] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.248368] ? bpf_prog_test_run+0x130/0x1a0 [ 251.252855] ? __x64_sys_bpf+0x3d8/0x510 [ 251.256903] ? bpf_prog_get+0x20/0x20 [ 251.260701] ? do_syscall_64+0x1b9/0x820 [ 251.264749] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.270143] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.275060] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.280069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.285084] ? recalc_sigpending_tsk+0x180/0x180 [ 251.289827] ? kasan_check_write+0x14/0x20 [ 251.294048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.298899] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.304254] warn_alloc_show_mem: 1 callbacks suppressed [ 251.304263] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 251.304265] Mem-Info: [ 251.304294] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 251.304294] active_file:16 inactive_file:17 isolated_file:0 [ 251.304294] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.304294] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 251.304294] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 251.304294] free:13792 free_pcp:309 free_cma:0 [ 251.309620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.316452] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.318836] Call Trace: [ 251.351861] Node 0 [ 251.361704] dump_stack+0x1c4/0x2b4 [ 251.389644] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.392194] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.394393] lowmem_reserve[]: [ 251.398449] warn_alloc.cold.119+0xb7/0x1bd [ 251.423914] 0 [ 251.429106] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.432177] 2819 [ 251.436488] ? lock_downgrade+0x900/0x900 [ 251.438255] 6323 [ 251.443078] ? trace_hardirqs_off+0xb8/0x310 [ 251.445106] 6323 [ 251.449237] ? trace_hardirqs_off+0xb8/0x310 [ 251.457131] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.459167] Node 0 [ 251.463565] ? warn_alloc+0x120/0x120 [ 251.468818] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 251.471026] ? warn_alloc+0x120/0x120 [ 251.474791] lowmem_reserve[]: [ 251.502204] ? warn_alloc+0x120/0x120 [ 251.505974] 0 [ 251.509066] ? mark_held_locks+0x130/0x130 [ 251.512833] 0 [ 251.514619] ? mark_held_locks+0x130/0x130 [ 251.518821] 3503 [ 251.520608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.524807] 3503 [ 251.526853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.534400] ? should_fail+0x22d/0xd01 [ 251.539902] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 251.544232] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.544247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.573279] lowmem_reserve[]: [ 251.578814] ? should_fail+0x22d/0xd01 [ 251.584315] 0 [ 251.587399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.591249] 0 [ 251.594863] ? should_fail+0x22d/0xd01 [ 251.599931] 0 [ 251.601721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.605574] 0 [ 251.607359] ? mark_held_locks+0x130/0x130 [ 251.614212] ? mark_held_locks+0x130/0x130 [ 251.618413] Node 0 [ 251.622624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.622630] DMA: [ 251.624867] ? trace_hardirqs_off+0xb8/0x310 [ 251.630369] 1*4kB [ 251.632411] ? kasan_check_read+0x11/0x20 [ 251.636785] (U) [ 251.638918] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.643031] 0*8kB [ 251.645009] ? trace_hardirqs_on+0x310/0x310 [ 251.649386] 0*16kB [ 251.651527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.655899] 1*32kB [ 251.658117] ? wq_watchdog_touch+0x9c/0xfe [ 251.663616] (U) [ 251.665836] ? io_serial_in+0x11/0x90 [ 251.670036] 2*64kB [ 251.671995] ? retint_kernel+0x2d/0x2d [ 251.675770] (U) [ 251.677993] ? trace_hardirqs_on_caller+0xc0/0x310 [ 251.681844] 1*128kB [ 251.683803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.688696] (U) [ 251.691003] ? trace_hardirqs_off+0x310/0x310 [ 251.695727] 1*256kB [ 251.697682] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.702144] (U) [ 251.704463] __alloc_pages_nodemask+0xa80/0xde0 [ 251.709526] 0*512kB [ 251.711487] ? should_fail+0x22d/0xd01 [ 251.716121] 1*1024kB [ 251.718444] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.722306] (U) [ 251.724713] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.729683] 1*2048kB (M) [ 251.731646] ? lock_downgrade+0x900/0x900 [ 251.736304] 3*4096kB [ 251.739045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.743160] (M) [ 251.745557] cache_grow_begin+0x91/0x8c0 [ 251.751061] = 15908kB [ 251.753020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.757046] Node 0 [ 251.759442] fallback_alloc+0x203/0x2e0 [ 251.763820] DMA32: [ 251.766054] ____cache_alloc_node+0x1c7/0x1e0 [ 251.769994] 6*4kB [ 251.772217] kmem_cache_alloc_node+0xe3/0x730 [ 251.776686] (UME) [ 251.778820] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.783279] 2*8kB [ 251.785412] __alloc_skb+0x119/0x770 [ 251.789614] (UE) [ 251.792273] ? skb_scrub_packet+0x490/0x490 [ 251.795957] 4*16kB [ 251.798011] ? lock_downgrade+0x900/0x900 [ 251.802297] (UME) [ 251.804607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.808722] 4*32kB [ 251.810858] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.816364] (UME) [ 251.818587] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.824004] 5*64kB [ 251.826138] ? addrconf_rs_timer+0x690/0x690 [ 251.831551] (ME) [ 251.833776] ndisc_alloc_skb+0x144/0x340 [ 251.838151] 5*128kB [ 251.840195] ndisc_send_rs+0x331/0x6e0 [ 251.844219] (UME) [ 251.846525] addrconf_rs_timer+0x314/0x690 [ 251.850377] 4*256kB [ 251.852507] ? lock_release+0x970/0x970 [ 251.856709] (ME) [ 251.859017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.862960] 5*512kB [ 251.865460] call_timer_fn+0x272/0x920 [ 251.869661] (UME) [ 251.872541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.876395] 4*1024kB [ 251.878527] ? process_timeout+0x40/0x40 [ 251.882725] (UME) [ 251.885121] ? kasan_check_read+0x11/0x20 [ 251.889151] 2*2048kB [ 251.891292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.895402] (ME) [ 251.897796] ? trace_hardirqs_on+0x310/0x310 [ 251.902171] 3*4096kB [ 251.904215] ? __run_timers+0x7da/0xc70 [ 251.908588] (M) [ 251.910989] ? lock_downgrade+0x900/0x900 [ 251.914927] = 25256kB [ 251.916889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.921020] Node 0 [ 251.923412] ? trace_hardirqs_on+0xbd/0x310 [ 251.928502] Normal: [ 251.930724] ? kasan_check_read+0x11/0x20 [ 251.935011] 1063*4kB [ 251.937315] ? __run_timers+0x7da/0xc70 [ 251.941429] (UMEH) [ 251.943825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.947766] 420*8kB [ 251.949985] ? kasan_check_write+0x14/0x20 [ 251.955423] (UME) [ 251.957738] ? do_raw_spin_lock+0xc1/0x200 [ 251.961941] 170*16kB [ 251.964080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.968289] (UMEH) [ 251.970682] __run_timers+0x7e5/0xc70 [ 251.974880] 65*32kB [ 251.977098] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.980869] (UME) [ 251.983176] ? compat_start_thread+0x80/0x80 [ 251.988500] 9*64kB (UM) [ 251.990637] ? dequeue_entity+0x1770/0x1770 [ 251.995013] 0*128kB [ 251.997668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.001953] 0*256kB [ 252.004263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.009765] 0*512kB [ 252.012185] ? kasan_check_write+0x14/0x20 [ 252.017688] 1*1024kB [ 252.020000] ? finish_task_switch+0x2f5/0x900 [ 252.024196] (H) [ 252.026592] ? __switch_to_asm+0x40/0x70 [ 252.031056] 0*2048kB [ 252.033024] ? preempt_notifier_register+0x200/0x200 [ 252.037049] 0*4096kB [ 252.039447] ? __switch_to_asm+0x34/0x70 [ 252.044521] = 14012kB [ 252.046913] ? __switch_to_asm+0x40/0x70 [ 252.050946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.053338] ? __switch_to_asm+0x34/0x70 [ 252.057369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.066179] ? __switch_to_asm+0x40/0x70 [ 252.070210] 4986 total pagecache pages [ 252.078763] ? __switch_to_asm+0x34/0x70 [ 252.082790] 0 pages in swap cache [ 252.086660] ? __switch_to_asm+0x40/0x70 [ 252.086676] ? pvclock_read_flags+0x160/0x160 [ 252.090702] Swap cache stats: add 0, delete 0, find 0/0 [ 252.094130] ? __schedule+0x874/0x1ed0 [ 252.098158] Free swap = 0kB [ 252.102633] ? run_rebalance_domains+0x38d/0x500 [ 252.107965] Total swap = 0kB [ 252.112210] ? trace_hardirqs_on+0xbd/0x310 [ 252.115197] 1965979 pages RAM [ 252.120431] ? kvm_sched_clock_read+0x9/0x20 [ 252.120446] ? run_ksoftirqd+0x94/0x100 [ 252.123438] 0 pages HighMem/MovableOnly [ 252.127741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.130814] 342307 pages reserved [ 252.135205] ? check_preemption_disabled+0x48/0x200 [ 252.139141] 0 pages cma reserved [ 252.143094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.148667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.152058] run_timer_softirq+0x52/0xb0 [ 252.152073] ? __this_cpu_preempt_check+0x1c/0x1f [ 252.157099] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.160422] __do_softirq+0x30b/0xad8 [ 252.165922] syz-executor4 cpuset= [ 252.172398] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.176428] syz4 [ 252.181259] ? trace_hardirqs_off+0xb8/0x310 [ 252.191713] mems_allowed=0 [ 252.195496] ? schedule+0x108/0x460 [ 252.219842] ? __schedule+0x1ed0/0x1ed0 [ 252.223808] ? run_ksoftirqd+0x99/0x100 [ 252.227773] ? trace_hardirqs_off+0xb8/0x310 [ 252.232168] ? ___might_sleep+0x1ed/0x300 [ 252.236308] ? smpboot_thread_fn+0x68b/0xa00 [ 252.240704] ? trace_hardirqs_on+0x310/0x310 [ 252.245103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.250632] ? check_preemption_disabled+0x48/0x200 [ 252.255640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.261167] ? takeover_tasklets+0xa90/0xa90 [ 252.265581] run_ksoftirqd+0x94/0x100 [ 252.269382] smpboot_thread_fn+0x68b/0xa00 [ 252.273613] ? sort_range+0x30/0x30 [ 252.277227] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.282864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.288394] ? __kthread_parkme+0xfb/0x1a0 [ 252.292623] kthread+0x35a/0x420 [ 252.295978] ? sort_range+0x30/0x30 [ 252.299595] ? kthread_bind+0x40/0x40 [ 252.303388] ret_from_fork+0x3a/0x50 [ 252.307107] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 252.307160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.314367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.314371] Call Trace: [ 252.314375] [ 252.314388] dump_stack+0x1c4/0x2b4 [ 252.314412] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.320924] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.330211] warn_alloc.cold.119+0xb7/0x1bd [ 252.332763] ksoftirqd/1 cpuset= [ 252.334896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.338488] / [ 252.343661] ? lock_downgrade+0x900/0x900 [ 252.353953] mems_allowed=0 [ 252.358254] ? trace_hardirqs_off+0xb8/0x310 [ 252.379586] ? trace_hardirqs_off+0xb8/0x310 [ 252.383991] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.388838] ? warn_alloc+0x120/0x120 [ 252.392635] ? warn_alloc+0x120/0x120 [ 252.396432] ? warn_alloc+0x120/0x120 [ 252.400221] ? mark_held_locks+0x130/0x130 [ 252.404453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.409980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.415508] ? should_fail+0x22d/0xd01 [ 252.419388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.424536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.430062] ? should_fail+0x22d/0xd01 [ 252.433943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.439036] ? should_fail+0x22d/0xd01 [ 252.442913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.448008] ? mark_held_locks+0x130/0x130 [ 252.453183] ? mark_held_locks+0x130/0x130 [ 252.457418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.462942] ? trace_hardirqs_off+0xb8/0x310 [ 252.467337] ? kasan_check_read+0x11/0x20 [ 252.473016] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.477422] ? trace_hardirqs_on+0x310/0x310 [ 252.481821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.487346] ? wq_watchdog_touch+0x9c/0xfe [ 252.491569] ? io_serial_in+0x11/0x90 [ 252.495357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.500889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.505988] __alloc_pages_nodemask+0xa80/0xde0 [ 252.510658] ? should_fail+0x22d/0xd01 [ 252.514545] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.519564] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.524225] ? lock_downgrade+0x900/0x900 [ 252.528365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.533896] cache_grow_begin+0x91/0x8c0 [ 252.537948] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.542350] fallback_alloc+0x203/0x2e0 [ 252.546336] ____cache_alloc_node+0x1c7/0x1e0 [ 252.550826] kmem_cache_alloc_node+0xe3/0x730 [ 252.555310] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.559537] __alloc_skb+0x119/0x770 [ 252.563241] ? skb_scrub_packet+0x490/0x490 [ 252.567549] ? lock_downgrade+0x900/0x900 [ 252.571806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.577326] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.582765] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.588206] ? addrconf_rs_timer+0x690/0x690 [ 252.592612] ndisc_alloc_skb+0x144/0x340 [ 252.596664] ndisc_send_rs+0x331/0x6e0 [ 252.600542] addrconf_rs_timer+0x314/0x690 [ 252.604769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.609004] call_timer_fn+0x272/0x920 [ 252.612882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.617110] ? process_timeout+0x40/0x40 [ 252.621159] ? trace_hardirqs_off+0xb8/0x310 [ 252.625555] ? kasan_check_read+0x11/0x20 [ 252.629692] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.634102] ? trace_hardirqs_on+0x310/0x310 [ 252.638498] ? __run_timers+0x7da/0xc70 [ 252.642460] ? lock_downgrade+0x900/0x900 [ 252.646606] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.651691] ? trace_hardirqs_on+0xbd/0x310 [ 252.656000] ? kasan_check_read+0x11/0x20 [ 252.660133] ? __run_timers+0x7da/0xc70 [ 252.664096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.669537] ? kasan_check_write+0x14/0x20 [ 252.673762] ? do_raw_spin_lock+0xc1/0x200 [ 252.677990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.682216] __run_timers+0x7e5/0xc70 [ 252.686022] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.691386] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.696410] ? timerqueue_add+0x207/0x2b0 [ 252.700546] ? enqueue_hrtimer+0x1a5/0x560 [ 252.704766] ? lock_release+0x970/0x970 [ 252.708732] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.713911] ? kasan_check_write+0x14/0x20 [ 252.718143] ? pvclock_read_flags+0x160/0x160 [ 252.722627] ? lock_downgrade+0x900/0x900 [ 252.726771] ? trace_hardirqs_on+0xbd/0x310 [ 252.731081] ? kvm_sched_clock_read+0x9/0x20 [ 252.735478] ? irq_exit+0x17f/0x1c0 [ 252.739091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.744617] ? check_preemption_disabled+0x48/0x200 [ 252.749623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.755150] run_timer_softirq+0x52/0xb0 [ 252.759201] ? __this_cpu_preempt_check+0x1c/0x1f [ 252.764032] __do_softirq+0x30b/0xad8 [ 252.767827] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.772918] ? pvclock_read_flags+0x160/0x160 [ 252.777421] ? lapic_next_event+0x5a/0x90 [ 252.781559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.787088] ? clockevents_program_event+0x140/0x370 [ 252.792180] ? kvm_clock_read+0x18/0x30 [ 252.796318] ? kvm_sched_clock_read+0x9/0x20 [ 252.800711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.806234] ? check_preemption_disabled+0x48/0x200 [ 252.811243] irq_exit+0x17f/0x1c0 [ 252.814695] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.819519] ? smp_reschedule_interrupt+0x109/0x650 [ 252.824537] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.830422] ? interrupt_entry+0xb5/0xf0 [ 252.834474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.839481] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.844601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.849433] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.854452] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.859457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.864983] ? check_preemption_disabled+0x48/0x200 [ 252.870018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.874852] apic_timer_interrupt+0xf/0x20 [ 252.879068] [ 252.881297] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 252.886214] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 252.905187] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.912884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 252.920139] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 252.927395] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 252.934654] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 252.941911] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 252.949180] ? trace_hardirqs_on+0xb4/0x310 [ 252.953494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.959022] skb_clone+0x1bb/0x500 [ 252.962550] ? finish_task_switch+0x2f5/0x900 [ 252.967065] ? skb_split+0x11e0/0x11e0 [ 252.970942] ? preempt_notifier_register+0x200/0x200 [ 252.976036] ? __switch_to_asm+0x34/0x70 [ 252.980083] ? __switch_to_asm+0x34/0x70 [ 252.984133] ? __switch_to_asm+0x40/0x70 [ 252.988181] ? __switch_to_asm+0x34/0x70 [ 252.992228] ? __switch_to_asm+0x40/0x70 [ 252.996279] ? __switch_to_asm+0x34/0x70 [ 253.000327] ? __switch_to_asm+0x40/0x70 [ 253.004390] ? __switch_to_asm+0x34/0x70 [ 253.008456] ? __switch_to_asm+0x34/0x70 [ 253.012507] ? __switch_to_asm+0x40/0x70 [ 253.016557] ? __switch_to_asm+0x34/0x70 [ 253.020616] bpf_clone_redirect+0xb9/0x490 [ 253.024843] ? __schedule+0x874/0x1ed0 [ 253.028720] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 253.033641] ? __sched_text_start+0x8/0x8 [ 253.037782] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.042547] ? retint_kernel+0x2d/0x2d [ 253.046438] ? lock_acquire+0x1ed/0x520 [ 253.050403] ? bpf_test_run+0x32e/0x5a0 [ 253.054375] ? lock_release+0x970/0x970 [ 253.058335] ? preempt_schedule+0x4d/0x60 [ 253.062485] ? preempt_schedule_common+0x1f/0xd0 [ 253.067232] ? preempt_schedule+0x4d/0x60 [ 253.071374] ? ___preempt_schedule+0x16/0x18 [ 253.075774] ? bpf_test_run+0x1c0/0x5a0 [ 253.079738] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.084133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.089655] ? bpf_test_init.isra.9+0x70/0x100 [ 253.094226] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.098977] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.103805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.109328] ? fput+0x130/0x1a0 [ 253.112606] ? __bpf_prog_get+0x9b/0x290 [ 253.116655] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.121482] ? bpf_prog_test_run+0x130/0x1a0 [ 253.125881] ? __x64_sys_bpf+0x3d8/0x510 [ 253.129931] ? bpf_prog_get+0x20/0x20 [ 253.133733] ? do_syscall_64+0x1b9/0x820 [ 253.137794] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.143145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.148170] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.153174] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.158179] ? recalc_sigpending_tsk+0x180/0x180 [ 253.162923] ? kasan_check_write+0x14/0x20 [ 253.167150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.171984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.177366] warn_alloc_show_mem: 1 callbacks suppressed [ 253.177375] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 253.177376] Mem-Info: [ 253.177403] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 253.177403] active_file:16 inactive_file:17 isolated_file:0 [ 253.177403] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.177403] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 253.177403] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 253.177403] free:13792 free_pcp:309 free_cma:0 [ 253.182730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.182736] Call Trace: [ 253.189569] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.191964] dump_stack+0x1c4/0x2b4 [ 253.225102] Node 0 [ 253.234904] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.237599] 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 [ 253.265410] warn_alloc.cold.119+0xb7/0x1bd [ 253.269004] lowmem_reserve[]: [ 253.271602] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.276773] 0 2819 [ 253.304275] ? lock_downgrade+0x900/0x900 [ 253.308564] 6323 [ 253.311686] ? trace_hardirqs_off+0xb8/0x310 [ 253.316493] 6323 [ 253.318717] ? trace_hardirqs_off+0xb8/0x310 [ 253.322831] Node 0 [ 253.324880] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.329278] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 253.331324] ? warn_alloc+0x120/0x120 [ 253.335689] lowmem_reserve[]: [ 253.337914] ? warn_alloc+0x120/0x120 [ 253.342722] 0 [ 253.369693] ? warn_alloc+0x120/0x120 [ 253.373460] 0 [ 253.376549] ? mark_held_locks+0x130/0x130 [ 253.380323] 3503 [ 253.382113] ? mark_held_locks+0x130/0x130 [ 253.385878] 3503 [ 253.387668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.393912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.398113] Node 0 [ 253.400677] ? should_fail+0x22d/0xd01 [ 253.406203] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 253.411702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.413908] lowmem_reserve[]: [ 253.417782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.446112] 0 [ 253.451201] ? should_fail+0x22d/0xd01 [ 253.456167] 0 0 0 [ 253.456177] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 253.456313] Node 0 DMA32: [ 253.463711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.465483] 6*4kB [ 253.469356] ? should_fail+0x22d/0xd01 [ 253.471473] (UME) [ 253.484981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.487794] 2*8kB [ 253.492881] ? mark_held_locks+0x130/0x130 [ 253.494997] (UE) [ 253.498876] ? mark_held_locks+0x130/0x130 [ 253.501001] 4*16kB [ 253.506109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.508223] (UME) [ 253.512443] ? trace_hardirqs_off+0xb8/0x310 [ 253.514474] 4*32kB [ 253.518690] ? kasan_check_read+0x11/0x20 [ 253.520897] (UME) [ 253.526419] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.528636] 5*64kB [ 253.533027] ? trace_hardirqs_on+0x310/0x310 [ 253.535230] (ME) [ 253.539363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.541476] 5*128kB (UME) [ 253.545976] ? wq_watchdog_touch+0x9c/0xfe [ 253.548179] 4*256kB [ 253.552579] ? io_serial_in+0x11/0x90 [ 253.554604] (ME) 5*512kB [ 253.562838] ? retint_kernel+0x2d/0x2d [ 253.565647] (UME) [ 253.569876] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.572288] 4*1024kB [ 253.576077] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.578799] (UME) [ 253.582665] ? trace_hardirqs_off+0x310/0x310 [ 253.584793] 2*2048kB [ 253.589708] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.592082] (ME) 3*4096kB [ 253.597318] __alloc_pages_nodemask+0xa80/0xde0 [ 253.599443] (M) [ 253.603924] ? should_fail+0x22d/0xd01 [ 253.606382] = 25256kB [ 253.612731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.615546] Node 0 [ 253.620205] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.622144] Normal: [ 253.626015] ? lock_downgrade+0x900/0x900 [ 253.628397] 1063*4kB [ 253.633400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.635606] (UMEH) [ 253.640769] cache_grow_begin+0x91/0x8c0 [ 253.643062] 420*8kB [ 253.647192] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.649568] (UME) [ 253.655086] fallback_alloc+0x203/0x2e0 [ 253.657301] 170*16kB [ 253.661461] ____cache_alloc_node+0x1c7/0x1e0 [ 253.663753] (UMEH) [ 253.668295] kmem_cache_alloc_node+0xe3/0x730 [ 253.670411] 65*32kB [ 253.674369] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.676742] (UME) [ 253.681221] __alloc_skb+0x119/0x770 [ 253.683429] 9*64kB [ 253.687905] ? skb_scrub_packet+0x490/0x490 [ 253.690204] (UM) [ 253.694420] ? lock_downgrade+0x900/0x900 [ 253.696539] 0*128kB [ 253.700234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.702439] 0*256kB [ 253.706743] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.708785] 0*512kB [ 253.712925] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.715223] 1*1024kB [ 253.720744] ? addrconf_rs_timer+0x690/0x690 [ 253.723035] (H) [ 253.728475] ndisc_alloc_skb+0x144/0x340 [ 253.730759] 0*2048kB 0*4096kB [ 253.736201] ndisc_send_rs+0x331/0x6e0 [ 253.738578] = 14012kB [ 253.742966] addrconf_rs_timer+0x314/0x690 [ 253.744916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.748950] ? lock_release+0x970/0x970 [ 253.752118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.755980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.758359] 4986 total pagecache pages [ 253.762575] call_timer_fn+0x272/0x920 [ 253.771390] 0 pages in swap cache [ 253.775345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.783900] Swap cache stats: add 0, delete 0, find 0/0 [ 253.788113] ? process_timeout+0x40/0x40 [ 253.791966] Free swap = 0kB [ 253.795832] ? kasan_check_read+0x11/0x20 [ 253.799257] Total swap = 0kB [ 253.803483] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.808813] 1965979 pages RAM [ 253.812856] ? trace_hardirqs_on+0x310/0x310 [ 253.815841] 0 pages HighMem/MovableOnly [ 253.819973] ? __run_timers+0x7da/0xc70 [ 253.822958] 342307 pages reserved [ 253.827367] ? lock_downgrade+0x900/0x900 [ 253.830439] 0 pages cma reserved [ 253.834832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.838823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.842726] ? trace_hardirqs_on+0xbd/0x310 [ 253.842735] ? kasan_check_read+0x11/0x20 [ 253.842749] ? __run_timers+0x7da/0xc70 [ 253.846213] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.850305] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.853643] syz-executor4 cpuset= [ 253.858728] ? kasan_check_write+0x14/0x20 [ 253.865193] syz4 mems_allowed=0 [ 253.906210] ? do_raw_spin_lock+0xc1/0x200 [ 253.910437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.914663] __run_timers+0x7e5/0xc70 [ 253.918463] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.924293] ? compat_start_thread+0x80/0x80 [ 253.928690] ? dequeue_entity+0x1770/0x1770 [ 253.933002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.938529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.944061] ? kasan_check_write+0x14/0x20 [ 253.948290] ? finish_task_switch+0x2f5/0x900 [ 253.952774] ? __switch_to_asm+0x40/0x70 [ 253.956832] ? preempt_notifier_register+0x200/0x200 [ 253.961922] ? __switch_to_asm+0x34/0x70 [ 253.965971] ? __switch_to_asm+0x40/0x70 [ 253.970018] ? __switch_to_asm+0x34/0x70 [ 253.974067] ? __switch_to_asm+0x40/0x70 [ 253.978116] ? __switch_to_asm+0x34/0x70 [ 253.982164] ? __switch_to_asm+0x40/0x70 [ 253.986217] ? pvclock_read_flags+0x160/0x160 [ 253.990703] ? __schedule+0x874/0x1ed0 [ 253.994578] ? run_rebalance_domains+0x38d/0x500 [ 253.999331] ? trace_hardirqs_on+0xbd/0x310 [ 254.003644] ? kvm_sched_clock_read+0x9/0x20 [ 254.008528] ? run_ksoftirqd+0x94/0x100 [ 254.012509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.018035] ? check_preemption_disabled+0x48/0x200 [ 254.023037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.028566] run_timer_softirq+0x52/0xb0 [ 254.032617] ? __this_cpu_preempt_check+0x1c/0x1f [ 254.037465] __do_softirq+0x30b/0xad8 [ 254.041271] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.046375] ? trace_hardirqs_off+0xb8/0x310 [ 254.050785] ? schedule+0x108/0x460 [ 254.054867] ? __schedule+0x1ed0/0x1ed0 [ 254.058832] ? run_ksoftirqd+0x99/0x100 [ 254.062803] ? trace_hardirqs_off+0xb8/0x310 [ 254.067201] ? ___might_sleep+0x1ed/0x300 [ 254.071337] ? smpboot_thread_fn+0x68b/0xa00 [ 254.075738] ? trace_hardirqs_on+0x310/0x310 [ 254.080137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.085682] ? check_preemption_disabled+0x48/0x200 [ 254.090691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.096222] ? takeover_tasklets+0xa90/0xa90 [ 254.100627] run_ksoftirqd+0x94/0x100 [ 254.104416] smpboot_thread_fn+0x68b/0xa00 [ 254.108640] ? sort_range+0x30/0x30 [ 254.112682] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.117778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.123319] ? __kthread_parkme+0xfb/0x1a0 [ 254.127564] kthread+0x35a/0x420 [ 254.130922] ? sort_range+0x30/0x30 [ 254.134537] ? kthread_bind+0x40/0x40 [ 254.138330] ret_from_fork+0x3a/0x50 [ 254.142042] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 254.142098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.149306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.156338] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.165630] Call Trace: [ 254.175918] ksoftirqd/1 cpuset= [ 254.178475] [ 254.178477] / mems_allowed=0 [ 254.181759] dump_stack+0x1c4/0x2b4 [ 254.190478] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.195663] warn_alloc.cold.119+0xb7/0x1bd [ 254.199974] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.204830] ? lock_downgrade+0x900/0x900 [ 254.208971] ? trace_hardirqs_off+0xb8/0x310 [ 254.213374] ? trace_hardirqs_off+0xb8/0x310 [ 254.217775] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.222782] ? warn_alloc+0x120/0x120 [ 254.226596] ? warn_alloc+0x120/0x120 [ 254.230406] ? warn_alloc+0x120/0x120 [ 254.234199] ? mark_held_locks+0x130/0x130 [ 254.238427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.243957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.249484] ? should_fail+0x22d/0xd01 [ 254.253357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.258446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.263977] ? should_fail+0x22d/0xd01 [ 254.267859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.272954] ? should_fail+0x22d/0xd01 [ 254.276865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.282352] ? mark_held_locks+0x130/0x130 [ 254.286581] ? mark_held_locks+0x130/0x130 [ 254.290809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.296334] ? trace_hardirqs_off+0xb8/0x310 [ 254.300733] ? kasan_check_read+0x11/0x20 [ 254.304884] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.309287] ? trace_hardirqs_on+0x310/0x310 [ 254.313684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.319208] ? wq_watchdog_touch+0x9c/0xfe [ 254.323441] ? io_serial_in+0x11/0x90 [ 254.327237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.332774] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.337874] __alloc_pages_nodemask+0xa80/0xde0 [ 254.342536] ? should_fail+0x22d/0xd01 [ 254.346415] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.351445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.356104] ? lock_downgrade+0x900/0x900 [ 254.360258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.365787] cache_grow_begin+0x91/0x8c0 [ 254.369855] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.374275] fallback_alloc+0x203/0x2e0 [ 254.378249] ____cache_alloc_node+0x1c7/0x1e0 [ 254.382740] kmem_cache_alloc_node+0xe3/0x730 [ 254.387238] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.391470] __alloc_skb+0x119/0x770 [ 254.395197] ? skb_scrub_packet+0x490/0x490 [ 254.399513] ? lock_downgrade+0x900/0x900 [ 254.403653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.409181] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.414621] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.420072] ? addrconf_rs_timer+0x690/0x690 [ 254.424491] ndisc_alloc_skb+0x144/0x340 [ 254.428545] ndisc_send_rs+0x331/0x6e0 [ 254.432426] addrconf_rs_timer+0x314/0x690 [ 254.436650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.440878] call_timer_fn+0x272/0x920 [ 254.444754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.448976] ? process_timeout+0x40/0x40 [ 254.455243] ? trace_hardirqs_off+0xb8/0x310 [ 254.459649] ? kasan_check_read+0x11/0x20 [ 254.463792] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.468189] ? trace_hardirqs_on+0x310/0x310 [ 254.472912] ? __run_timers+0x7da/0xc70 [ 254.476876] ? lock_downgrade+0x900/0x900 [ 254.481013] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.486105] ? trace_hardirqs_on+0xbd/0x310 [ 254.491636] ? kasan_check_read+0x11/0x20 [ 254.495778] ? __run_timers+0x7da/0xc70 [ 254.499742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.505828] ? kasan_check_write+0x14/0x20 [ 254.510060] ? do_raw_spin_lock+0xc1/0x200 [ 254.514292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.518515] __run_timers+0x7e5/0xc70 [ 254.522318] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.527674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.532682] ? timerqueue_add+0x207/0x2b0 [ 254.536819] ? enqueue_hrtimer+0x1a5/0x560 [ 254.541042] ? lock_release+0x970/0x970 [ 254.545003] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.550184] ? kasan_check_write+0x14/0x20 [ 254.554417] ? pvclock_read_flags+0x160/0x160 [ 254.558902] ? lock_downgrade+0x900/0x900 [ 254.563055] ? trace_hardirqs_on+0xbd/0x310 [ 254.567364] ? kvm_sched_clock_read+0x9/0x20 [ 254.571759] ? irq_exit+0x17f/0x1c0 [ 254.575381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.580913] ? check_preemption_disabled+0x48/0x200 [ 254.585921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.591450] run_timer_softirq+0x52/0xb0 [ 254.595505] ? __this_cpu_preempt_check+0x1c/0x1f [ 254.600337] __do_softirq+0x30b/0xad8 [ 254.604152] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.609251] ? pvclock_read_flags+0x160/0x160 [ 254.613736] ? lapic_next_event+0x5a/0x90 [ 254.618005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.623527] ? clockevents_program_event+0x140/0x370 [ 254.628627] ? kvm_clock_read+0x18/0x30 [ 254.632593] ? kvm_sched_clock_read+0x9/0x20 [ 254.636991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.642521] ? check_preemption_disabled+0x48/0x200 [ 254.647531] irq_exit+0x17f/0x1c0 [ 254.650974] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.655803] ? smp_reschedule_interrupt+0x109/0x650 [ 254.660812] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.666702] ? interrupt_entry+0xb5/0xf0 [ 254.670760] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.675764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.680772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.685623] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.690644] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.695674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.701209] ? check_preemption_disabled+0x48/0x200 [ 254.706247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.711081] apic_timer_interrupt+0xf/0x20 [ 254.715304] [ 254.717536] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.722457] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 254.741350] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.749046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 254.756401] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 254.763657] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 254.770914] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 254.778170] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 254.785444] ? trace_hardirqs_on+0xb4/0x310 [ 254.789758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.795287] skb_clone+0x1bb/0x500 [ 254.798820] ? finish_task_switch+0x2f5/0x900 [ 254.803306] ? skb_split+0x11e0/0x11e0 [ 254.807203] ? preempt_notifier_register+0x200/0x200 [ 254.812298] ? __switch_to_asm+0x34/0x70 [ 254.816349] ? __switch_to_asm+0x34/0x70 [ 254.820395] ? __switch_to_asm+0x40/0x70 [ 254.824444] ? __switch_to_asm+0x34/0x70 [ 254.828491] ? __switch_to_asm+0x40/0x70 [ 254.832542] ? __switch_to_asm+0x34/0x70 [ 254.836591] ? __switch_to_asm+0x40/0x70 [ 254.840642] ? __switch_to_asm+0x34/0x70 [ 254.844696] ? __switch_to_asm+0x34/0x70 [ 254.848743] ? __switch_to_asm+0x40/0x70 [ 254.852791] ? __switch_to_asm+0x34/0x70 [ 254.856849] bpf_clone_redirect+0xb9/0x490 [ 254.861077] ? __schedule+0x874/0x1ed0 [ 254.864954] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 254.869879] ? __sched_text_start+0x8/0x8 [ 254.874016] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.878763] ? retint_kernel+0x2d/0x2d [ 254.882643] ? lock_acquire+0x1ed/0x520 [ 254.886609] ? bpf_test_run+0x32e/0x5a0 [ 254.890574] ? lock_release+0x970/0x970 [ 254.894538] ? preempt_schedule+0x4d/0x60 [ 254.898676] ? preempt_schedule_common+0x1f/0xd0 [ 254.903422] ? preempt_schedule+0x4d/0x60 [ 254.907562] ? ___preempt_schedule+0x16/0x18 [ 254.911962] ? bpf_test_run+0x1c0/0x5a0 [ 254.915936] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.920444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.925969] ? bpf_test_init.isra.9+0x70/0x100 [ 254.930546] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.935288] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.940117] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.945638] ? fput+0x130/0x1a0 [ 254.949077] ? __bpf_prog_get+0x9b/0x290 [ 254.953128] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.957957] ? bpf_prog_test_run+0x130/0x1a0 [ 254.962360] ? __x64_sys_bpf+0x3d8/0x510 [ 254.966412] ? bpf_prog_get+0x20/0x20 [ 254.970220] ? do_syscall_64+0x1b9/0x820 [ 254.974269] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.979623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.984542] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.989550] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.994554] ? recalc_sigpending_tsk+0x180/0x180 [ 254.999298] ? kasan_check_write+0x14/0x20 [ 255.003528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.008364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.013731] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 255.013735] warn_alloc_show_mem: 1 callbacks suppressed [ 255.013741] Mem-Info: [ 255.022595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.022602] Call Trace: [ 255.027965] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 255.027965] active_file:16 inactive_file:17 isolated_file:0 [ 255.027965] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.027965] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 255.027965] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 255.027965] free:13792 free_pcp:309 free_cma:0 [ 255.030835] dump_stack+0x1c4/0x2b4 [ 255.040182] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.042753] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.075771] Node 0 [ 255.079874] warn_alloc.cold.119+0xb7/0x1bd [ 255.107707] 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 [ 255.112866] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.115065] lowmem_reserve[]: 0 [ 255.119378] ? lock_downgrade+0x900/0x900 [ 255.144845] 2819 [ 255.149674] ? trace_hardirqs_off+0xb8/0x310 [ 255.152918] 6323 [ 255.157051] ? trace_hardirqs_off+0xb8/0x310 [ 255.159084] 6323 [ 255.164007] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.170441] ? warn_alloc+0x120/0x120 [ 255.172466] Node 0 [ 255.177730] ? warn_alloc+0x120/0x120 [ 255.181521] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 255.183726] ? warn_alloc+0x120/0x120 [ 255.187506] lowmem_reserve[]: [ 255.214950] ? mark_held_locks+0x130/0x130 [ 255.218717] 0 [ 255.221808] ? mark_held_locks+0x130/0x130 [ 255.226008] 0 3503 [ 255.227804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.232005] 3503 [ 255.234227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.241780] ? should_fail+0x22d/0xd01 [ 255.247282] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 255.251177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.251189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.280309] lowmem_reserve[]: [ 255.285902] ? should_fail+0x22d/0xd01 [ 255.291407] 0 [ 255.294496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.298351] 0 [ 255.300138] ? should_fail+0x22d/0xd01 [ 255.305207] 0 0 [ 255.307001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.313300] ? mark_held_locks+0x130/0x130 [ 255.318397] Node 0 DMA: [ 255.322616] ? mark_held_locks+0x130/0x130 [ 255.322632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.325273] 1*4kB [ 255.329489] ? trace_hardirqs_off+0xb8/0x310 [ 255.334993] (U) [ 255.337131] ? kasan_check_read+0x11/0x20 [ 255.341510] 0*8kB [ 255.343472] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.347587] 0*16kB [ 255.349718] ? trace_hardirqs_on+0x310/0x310 [ 255.354093] 1*32kB [ 255.356312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.360690] (U) [ 255.362910] ? wq_watchdog_touch+0x9c/0xfe [ 255.368410] 2*64kB (U) [ 255.370376] ? io_serial_in+0x11/0x90 [ 255.374576] 1*128kB [ 255.377149] ? retint_kernel+0x2d/0x2d [ 255.380916] (U) [ 255.383223] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.387078] 1*256kB [ 255.390048] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.394942] (U) [ 255.397251] ? trace_hardirqs_off+0x310/0x310 [ 255.401978] 0*512kB [ 255.403938] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.408407] 1*1024kB [ 255.410718] __alloc_pages_nodemask+0xa80/0xde0 [ 255.415785] (U) [ 255.418175] ? should_fail+0x22d/0xd01 [ 255.418191] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.422832] 1*2048kB [ 255.424799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.428645] (M) [ 255.433646] ? lock_downgrade+0x900/0x900 [ 255.436026] 3*4096kB [ 255.440692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.442638] (M) [ 255.447278] cache_grow_begin+0x91/0x8c0 [ 255.449662] = 15908kB [ 255.456722] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.458665] Node 0 DMA32: [ 255.462717] fallback_alloc+0x203/0x2e0 [ 255.465093] 6*4kB [ 255.475457] ____cache_alloc_node+0x1c7/0x1e0 [ 255.478271] (UME) [ 255.482710] kmem_cache_alloc_node+0xe3/0x730 [ 255.484828] 2*8kB [ 255.489844] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.491954] (UE) 4*16kB [ 255.496441] __alloc_skb+0x119/0x770 [ 255.498560] (UME) [ 255.502780] ? skb_scrub_packet+0x490/0x490 [ 255.505499] 4*32kB (UME) [ 255.509702] ? lock_downgrade+0x900/0x900 [ 255.511818] 5*64kB [ 255.516123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.518856] (ME) [ 255.522986] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.525192] 5*128kB [ 255.530722] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.532750] (UME) [ 255.538202] ? addrconf_rs_timer+0x690/0x690 [ 255.540508] 4*256kB [ 255.546371] ndisc_alloc_skb+0x144/0x340 [ 255.548485] (ME) [ 255.552879] ndisc_send_rs+0x331/0x6e0 [ 255.555171] 5*512kB [ 255.559213] addrconf_rs_timer+0x314/0x690 [ 255.561242] (UME) [ 255.565115] ? lock_release+0x970/0x970 [ 255.567411] 4*1024kB [ 255.571629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.573744] (UME) [ 255.577708] call_timer_fn+0x272/0x920 [ 255.580099] 2*2048kB [ 255.584827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.586964] (ME) [ 255.591135] ? process_timeout+0x40/0x40 [ 255.593513] 3*4096kB [ 255.597724] ? kasan_check_read+0x11/0x20 [ 255.597739] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.599770] (M) [ 255.603817] ? trace_hardirqs_on+0x310/0x310 [ 255.606212] = 25256kB [ 255.610343] ? __run_timers+0x7da/0xc70 [ 255.614721] Node 0 [ 255.616699] ? lock_downgrade+0x900/0x900 [ 255.621074] Normal: [ 255.623471] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.627413] 1063*4kB [ 255.629635] ? trace_hardirqs_on+0xbd/0x310 [ 255.633752] (UMEH) [ 255.636056] ? kasan_check_read+0x11/0x20 [ 255.641239] 420*8kB [ 255.643633] ? __run_timers+0x7da/0xc70 [ 255.647933] (UME) [ 255.650159] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.654277] 170*16kB [ 255.656586] ? kasan_check_write+0x14/0x20 [ 255.660525] (UMEH) [ 255.662662] ? do_raw_spin_lock+0xc1/0x200 [ 255.668077] 65*32kB [ 255.670476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.674676] (UME) [ 255.676915] __run_timers+0x7e5/0xc70 [ 255.681121] 9*64kB (UM) [ 255.683444] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.687648] 0*128kB 0*256kB [ 255.689796] ? compat_start_thread+0x80/0x80 [ 255.693564] 0*512kB 1*1024kB [ 255.696219] ? dequeue_entity+0x1770/0x1770 [ 255.696236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.701565] (H) [ 255.704569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.708944] 0*2048kB [ 255.712032] ? kasan_check_write+0x14/0x20 [ 255.716328] 0*4096kB = 14012kB [ 255.721869] ? finish_task_switch+0x2f5/0x900 [ 255.723819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.729346] ? __switch_to_asm+0x40/0x70 [ 255.731728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.735943] ? preempt_notifier_register+0x200/0x200 [ 255.739103] 4986 total pagecache pages [ 255.743583] ? __switch_to_asm+0x34/0x70 [ 255.752385] 0 pages in swap cache [ 255.756428] ? __switch_to_asm+0x40/0x70 [ 255.764975] Swap cache stats: add 0, delete 0, find 0/0 [ 255.770057] ? __switch_to_asm+0x34/0x70 [ 255.773926] Free swap = 0kB [ 255.777967] ? __switch_to_asm+0x40/0x70 [ 255.781390] Total swap = 0kB [ 255.785432] ? __switch_to_asm+0x34/0x70 [ 255.790766] 1965979 pages RAM [ 255.794806] ? __switch_to_asm+0x40/0x70 [ 255.797794] 0 pages HighMem/MovableOnly [ 255.801842] ? pvclock_read_flags+0x160/0x160 [ 255.804828] 342307 pages reserved [ 255.808873] ? __schedule+0x874/0x1ed0 [ 255.811945] 0 pages cma reserved [ 255.815991] ? run_rebalance_domains+0x38d/0x500 [ 255.819991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.824412] ? trace_hardirqs_on+0xbd/0x310 [ 255.824423] ? kvm_sched_clock_read+0x9/0x20 [ 255.824439] ? run_ksoftirqd+0x94/0x100 [ 255.827901] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.832243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.835589] syz-executor4 cpuset= [ 255.840330] ? check_preemption_disabled+0x48/0x200 [ 255.846788] syz4 [ 255.851095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.855475] mems_allowed=0 [ 255.859432] run_timer_softirq+0x52/0xb0 [ 255.898872] ? __this_cpu_preempt_check+0x1c/0x1f [ 255.903707] __do_softirq+0x30b/0xad8 [ 255.907501] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.912598] ? trace_hardirqs_off+0xb8/0x310 [ 255.917005] ? schedule+0x108/0x460 [ 255.920630] ? __schedule+0x1ed0/0x1ed0 [ 255.924599] ? run_ksoftirqd+0x99/0x100 [ 255.929545] ? trace_hardirqs_off+0xb8/0x310 [ 255.933962] ? ___might_sleep+0x1ed/0x300 [ 255.938106] ? smpboot_thread_fn+0x68b/0xa00 [ 255.942504] ? trace_hardirqs_on+0x310/0x310 [ 255.946900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.952430] ? check_preemption_disabled+0x48/0x200 [ 255.957435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.962975] ? takeover_tasklets+0xa90/0xa90 [ 255.967379] run_ksoftirqd+0x94/0x100 [ 255.971623] smpboot_thread_fn+0x68b/0xa00 [ 255.975848] ? sort_range+0x30/0x30 [ 255.979464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.984560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.990086] ? __kthread_parkme+0xfb/0x1a0 [ 255.994322] kthread+0x35a/0x420 [ 255.997680] ? sort_range+0x30/0x30 [ 256.001297] ? kthread_bind+0x40/0x40 [ 256.005094] ret_from_fork+0x3a/0x50 [ 256.008808] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 256.008870] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.016068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.016071] Call Trace: [ 256.016076] [ 256.016100] dump_stack+0x1c4/0x2b4 [ 256.016122] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.022641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.031936] warn_alloc.cold.119+0xb7/0x1bd [ 256.034486] ksoftirqd/1 cpuset= [ 256.036627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.040219] / [ 256.045392] ? lock_downgrade+0x900/0x900 [ 256.056025] mems_allowed=0 [ 256.060328] ? trace_hardirqs_off+0xb8/0x310 [ 256.081535] ? trace_hardirqs_off+0xb8/0x310 [ 256.085940] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.090789] ? warn_alloc+0x120/0x120 [ 256.094598] ? warn_alloc+0x120/0x120 [ 256.098408] ? warn_alloc+0x120/0x120 [ 256.102203] ? mark_held_locks+0x130/0x130 [ 256.106430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.112416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.117949] ? should_fail+0x22d/0xd01 [ 256.121827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.126923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.132449] ? should_fail+0x22d/0xd01 [ 256.136330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.141420] ? should_fail+0x22d/0xd01 [ 256.145437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.150572] ? mark_held_locks+0x130/0x130 [ 256.154803] ? mark_held_locks+0x130/0x130 [ 256.159030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.164560] ? trace_hardirqs_off+0xb8/0x310 [ 256.168963] ? kasan_check_read+0x11/0x20 [ 256.173108] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.177504] ? trace_hardirqs_on+0x310/0x310 [ 256.181902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.187430] ? wq_watchdog_touch+0x9c/0xfe [ 256.191652] ? io_serial_in+0x11/0x90 [ 256.195444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.200974] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.206079] __alloc_pages_nodemask+0xa80/0xde0 [ 256.210755] ? should_fail+0x22d/0xd01 [ 256.214637] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.219652] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.224314] ? lock_downgrade+0x900/0x900 [ 256.228454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.233982] cache_grow_begin+0x91/0x8c0 [ 256.238036] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.242437] fallback_alloc+0x203/0x2e0 [ 256.246403] ____cache_alloc_node+0x1c7/0x1e0 [ 256.250891] kmem_cache_alloc_node+0xe3/0x730 [ 256.255378] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.259604] __alloc_skb+0x119/0x770 [ 256.263311] ? skb_scrub_packet+0x490/0x490 [ 256.267627] ? lock_downgrade+0x900/0x900 [ 256.271769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.277726] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.283257] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.288696] ? addrconf_rs_timer+0x690/0x690 [ 256.293121] ndisc_alloc_skb+0x144/0x340 [ 256.297190] ndisc_send_rs+0x331/0x6e0 [ 256.301078] addrconf_rs_timer+0x314/0x690 [ 256.305305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.309536] call_timer_fn+0x272/0x920 [ 256.313413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.317636] ? process_timeout+0x40/0x40 [ 256.321686] ? trace_hardirqs_off+0xb8/0x310 [ 256.326091] ? kasan_check_read+0x11/0x20 [ 256.330228] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.334626] ? trace_hardirqs_on+0x310/0x310 [ 256.339024] ? __run_timers+0x7da/0xc70 [ 256.342986] ? lock_downgrade+0x900/0x900 [ 256.347124] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.352214] ? trace_hardirqs_on+0xbd/0x310 [ 256.356524] ? kasan_check_read+0x11/0x20 [ 256.360663] ? __run_timers+0x7da/0xc70 [ 256.364627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.370071] ? kasan_check_write+0x14/0x20 [ 256.374298] ? do_raw_spin_lock+0xc1/0x200 [ 256.378522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.382744] __run_timers+0x7e5/0xc70 [ 256.386551] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.391904] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.396910] ? timerqueue_add+0x207/0x2b0 [ 256.401049] ? enqueue_hrtimer+0x1a5/0x560 [ 256.405288] ? lock_release+0x970/0x970 [ 256.409248] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.414425] ? kasan_check_write+0x14/0x20 [ 256.418655] ? pvclock_read_flags+0x160/0x160 [ 256.423166] ? lock_downgrade+0x900/0x900 [ 256.427317] ? trace_hardirqs_on+0xbd/0x310 [ 256.431629] ? kvm_sched_clock_read+0x9/0x20 [ 256.436026] ? irq_exit+0x17f/0x1c0 [ 256.439652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.445180] ? check_preemption_disabled+0x48/0x200 [ 256.450185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.456731] run_timer_softirq+0x52/0xb0 [ 256.460785] ? __this_cpu_preempt_check+0x1c/0x1f [ 256.465620] __do_softirq+0x30b/0xad8 [ 256.471045] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.476194] ? pvclock_read_flags+0x160/0x160 [ 256.480829] ? lapic_next_event+0x5a/0x90 [ 256.484985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.490596] ? clockevents_program_event+0x140/0x370 [ 256.495692] ? kvm_clock_read+0x18/0x30 [ 256.499658] ? kvm_sched_clock_read+0x9/0x20 [ 256.504064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.509601] ? check_preemption_disabled+0x48/0x200 [ 256.514613] irq_exit+0x17f/0x1c0 [ 256.518104] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.522935] ? smp_reschedule_interrupt+0x109/0x650 [ 256.527939] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.533809] ? interrupt_entry+0xb5/0xf0 [ 256.537868] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.542991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.547997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.552831] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.557835] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.562836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.568359] ? check_preemption_disabled+0x48/0x200 [ 256.573370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.578208] apic_timer_interrupt+0xf/0x20 [ 256.582425] [ 256.584656] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.589578] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 256.608465] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.616162] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 256.623417] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 256.630673] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 256.637931] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 256.645189] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 256.652456] ? trace_hardirqs_on+0xb4/0x310 [ 256.656770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.662300] skb_clone+0x1bb/0x500 [ 256.665833] ? finish_task_switch+0x2f5/0x900 [ 256.670318] ? skb_split+0x11e0/0x11e0 [ 256.674216] ? preempt_notifier_register+0x200/0x200 [ 256.679326] ? __switch_to_asm+0x34/0x70 [ 256.683374] ? __switch_to_asm+0x34/0x70 [ 256.687420] ? __switch_to_asm+0x40/0x70 [ 256.691487] ? __switch_to_asm+0x34/0x70 [ 256.695537] ? __switch_to_asm+0x40/0x70 [ 256.699586] ? __switch_to_asm+0x34/0x70 [ 256.703632] ? __switch_to_asm+0x40/0x70 [ 256.707681] ? __switch_to_asm+0x34/0x70 [ 256.711731] ? __switch_to_asm+0x34/0x70 [ 256.715781] ? __switch_to_asm+0x40/0x70 [ 256.719832] ? __switch_to_asm+0x34/0x70 [ 256.723886] bpf_clone_redirect+0xb9/0x490 [ 256.728110] ? __schedule+0x874/0x1ed0 [ 256.731987] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 256.736906] ? __sched_text_start+0x8/0x8 [ 256.741059] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.745827] ? retint_kernel+0x2d/0x2d [ 256.749709] ? lock_acquire+0x1ed/0x520 [ 256.753673] ? bpf_test_run+0x32e/0x5a0 [ 256.757639] ? lock_release+0x970/0x970 [ 256.761606] ? preempt_schedule+0x4d/0x60 [ 256.765747] ? preempt_schedule_common+0x1f/0xd0 [ 256.770495] ? preempt_schedule+0x4d/0x60 [ 256.774632] ? ___preempt_schedule+0x16/0x18 [ 256.779046] ? bpf_test_run+0x1c0/0x5a0 [ 256.783021] ? netlink_diag_dump+0x2a0/0x2a0 [ 256.787516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.793064] ? bpf_test_init.isra.9+0x70/0x100 [ 256.797639] ? bpf_prog_test_run_skb+0x634/0xb40 [ 256.802388] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.807220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.812745] ? fput+0x130/0x1a0 [ 256.816014] ? __bpf_prog_get+0x9b/0x290 [ 256.820076] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.824910] ? bpf_prog_test_run+0x130/0x1a0 [ 256.829311] ? __x64_sys_bpf+0x3d8/0x510 [ 256.833360] ? bpf_prog_get+0x20/0x20 [ 256.837160] ? do_syscall_64+0x1b9/0x820 [ 256.841208] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.846564] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.851484] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.856489] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.861495] ? recalc_sigpending_tsk+0x180/0x180 [ 256.866236] ? kasan_check_write+0x14/0x20 [ 256.870461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.875309] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.880662] warn_alloc_show_mem: 1 callbacks suppressed [ 256.880671] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 256.880673] Mem-Info: [ 256.880702] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 256.880702] active_file:16 inactive_file:17 isolated_file:0 [ 256.880702] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.880702] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 256.880702] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 256.880702] free:13792 free_pcp:309 free_cma:0 [ 256.886547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.893382] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.895768] Call Trace: [ 256.928903] Node 0 [ 256.938247] dump_stack+0x1c4/0x2b4 [ 256.966087] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 256.968638] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.970848] lowmem_reserve[]: 0 [ 256.974473] warn_alloc.cold.119+0xb7/0x1bd [ 256.999932] 2819 6323 [ 257.005110] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.008353] 6323 [ 257.012658] ? lock_downgrade+0x900/0x900 [ 257.019938] ? trace_hardirqs_off+0xb8/0x310 [ 257.021966] Node 0 [ 257.026095] ? trace_hardirqs_off+0xb8/0x310 [ 257.030495] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 257.032694] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.037065] lowmem_reserve[]: [ 257.064044] ? warn_alloc+0x120/0x120 [ 257.068856] 0 [ 257.071951] ? warn_alloc+0x120/0x120 [ 257.075716] 0 [ 257.077501] ? warn_alloc+0x120/0x120 [ 257.081268] 3503 [ 257.083056] ? mark_held_locks+0x130/0x130 [ 257.086826] 3503 [ 257.088876] ? mark_held_locks+0x130/0x130 [ 257.095146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.099345] Node 0 [ 257.104863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.104894] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 257.107106] ? should_fail+0x22d/0xd01 [ 257.112610] lowmem_reserve[]: [ 257.141511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.145367] 0 [ 257.148454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.153516] 0 0 [ 257.155310] ? should_fail+0x22d/0xd01 [ 257.160812] 0 [ 257.162773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.166628] Node 0 [ 257.168416] ? should_fail+0x22d/0xd01 [ 257.173488] DMA: [ 257.175710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.179565] 1*4kB [ 257.181614] ? mark_held_locks+0x130/0x130 [ 257.186684] (U) [ 257.188821] ? mark_held_locks+0x130/0x130 [ 257.193038] 0*8kB [ 257.195006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.199213] 0*16kB [ 257.201348] ? trace_hardirqs_off+0xb8/0x310 [ 257.206853] 1*32kB [ 257.209069] ? kasan_check_read+0x11/0x20 [ 257.209085] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.213458] (U) [ 257.215680] ? trace_hardirqs_on+0x310/0x310 [ 257.219793] 2*64kB [ 257.224185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.226129] (U) [ 257.230530] ? wq_watchdog_touch+0x9c/0xfe [ 257.232735] 1*128kB [ 257.238734] ? io_serial_in+0x11/0x90 [ 257.240676] (U) [ 257.244894] ? retint_kernel+0x2d/0x2d [ 257.247198] 1*256kB [ 257.250978] ? trace_hardirqs_on_caller+0xc0/0x310 [ 257.252929] (U) [ 257.259076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.261364] 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 257.261383] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 257.261436] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 257.261487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.261493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.261496] 4986 total pagecache pages [ 257.261500] 0 pages in swap cache [ 257.261504] Swap cache stats: add 0, delete 0, find 0/0 [ 257.261507] Free swap = 0kB [ 257.261511] Total swap = 0kB [ 257.261515] 1965979 pages RAM [ 257.261519] 0 pages HighMem/MovableOnly [ 257.261522] 342307 pages reserved [ 257.261529] 0 pages cma reserved [ 257.266440] ? trace_hardirqs_off+0x310/0x310 [ 257.268432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.273118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.273141] __alloc_pages_nodemask+0xa80/0xde0 [ 257.279637] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.295708] ? should_fail+0x22d/0xd01 [ 257.310412] syz-executor4 cpuset= [ 257.319244] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.327781] syz4 [ 257.331661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.335075] mems_allowed=0 [ 257.340419] ? lock_downgrade+0x900/0x900 [ 257.420724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.426255] cache_grow_begin+0x91/0x8c0 [ 257.430308] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.434708] fallback_alloc+0x203/0x2e0 [ 257.438686] ____cache_alloc_node+0x1c7/0x1e0 [ 257.443174] kmem_cache_alloc_node+0xe3/0x730 [ 257.447660] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.459200] __alloc_skb+0x119/0x770 [ 257.463885] ? skb_scrub_packet+0x490/0x490 [ 257.468197] ? lock_downgrade+0x900/0x900 [ 257.472351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.477880] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.485493] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.490934] ? addrconf_rs_timer+0x690/0x690 [ 257.495350] ndisc_alloc_skb+0x144/0x340 [ 257.499400] ndisc_send_rs+0x331/0x6e0 [ 257.503276] addrconf_rs_timer+0x314/0x690 [ 257.507502] ? lock_release+0x970/0x970 [ 257.511464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.515695] call_timer_fn+0x272/0x920 [ 257.519573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.523797] ? process_timeout+0x40/0x40 [ 257.528351] ? kasan_check_read+0x11/0x20 [ 257.532497] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.537353] ? trace_hardirqs_on+0x310/0x310 [ 257.541755] ? __run_timers+0x7da/0xc70 [ 257.545722] ? lock_downgrade+0x900/0x900 [ 257.549864] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.554976] ? trace_hardirqs_on+0xbd/0x310 [ 257.559305] ? kasan_check_read+0x11/0x20 [ 257.563464] ? __run_timers+0x7da/0xc70 [ 257.567430] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.572960] ? kasan_check_write+0x14/0x20 [ 257.577200] ? do_raw_spin_lock+0xc1/0x200 [ 257.581427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.585656] __run_timers+0x7e5/0xc70 [ 257.589450] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.594797] ? compat_start_thread+0x80/0x80 [ 257.599187] ? dequeue_entity+0x1770/0x1770 [ 257.603501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.609035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.614568] ? kasan_check_write+0x14/0x20 [ 257.618791] ? finish_task_switch+0x2f5/0x900 [ 257.623273] ? __switch_to_asm+0x40/0x70 [ 257.627782] ? preempt_notifier_register+0x200/0x200 [ 257.632872] ? __switch_to_asm+0x34/0x70 [ 257.636919] ? __switch_to_asm+0x40/0x70 [ 257.641052] ? __switch_to_asm+0x34/0x70 [ 257.645103] ? __switch_to_asm+0x40/0x70 [ 257.649153] ? __switch_to_asm+0x34/0x70 [ 257.654303] ? __switch_to_asm+0x40/0x70 [ 257.659003] ? pvclock_read_flags+0x160/0x160 [ 257.663507] ? __schedule+0x874/0x1ed0 [ 257.667385] ? run_rebalance_domains+0x38d/0x500 [ 257.672139] ? trace_hardirqs_on+0xbd/0x310 [ 257.676448] ? kvm_sched_clock_read+0x9/0x20 [ 257.680848] ? run_ksoftirqd+0x94/0x100 [ 257.684813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.690773] ? check_preemption_disabled+0x48/0x200 [ 257.695777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.701305] run_timer_softirq+0x52/0xb0 [ 257.705354] ? __this_cpu_preempt_check+0x1c/0x1f [ 257.710188] __do_softirq+0x30b/0xad8 [ 257.713984] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.719078] ? trace_hardirqs_off+0xb8/0x310 [ 257.723481] ? schedule+0x108/0x460 [ 257.727101] ? __schedule+0x1ed0/0x1ed0 [ 257.731563] ? run_ksoftirqd+0x99/0x100 [ 257.735528] ? trace_hardirqs_off+0xb8/0x310 [ 257.739924] ? ___might_sleep+0x1ed/0x300 [ 257.744069] ? smpboot_thread_fn+0x68b/0xa00 [ 257.748471] ? trace_hardirqs_on+0x310/0x310 [ 257.752867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.758394] ? check_preemption_disabled+0x48/0x200 [ 257.763403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.768930] ? takeover_tasklets+0xa90/0xa90 [ 257.773332] run_ksoftirqd+0x94/0x100 [ 257.777128] smpboot_thread_fn+0x68b/0xa00 [ 257.781354] ? sort_range+0x30/0x30 [ 257.784968] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.790061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.795587] ? __kthread_parkme+0xfb/0x1a0 [ 257.799816] kthread+0x35a/0x420 [ 257.803170] ? sort_range+0x30/0x30 [ 257.806785] ? kthread_bind+0x40/0x40 [ 257.810580] ret_from_fork+0x3a/0x50 [ 257.814291] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 257.814340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.821552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.821556] Call Trace: [ 257.821561] [ 257.821573] dump_stack+0x1c4/0x2b4 [ 257.821589] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.828098] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.837396] warn_alloc.cold.119+0xb7/0x1bd [ 257.839951] ksoftirqd/1 cpuset= [ 257.842104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.845697] / [ 257.850872] ? lock_downgrade+0x900/0x900 [ 257.863273] mems_allowed=0 [ 257.884588] ? trace_hardirqs_off+0xb8/0x310 [ 257.888994] ? trace_hardirqs_off+0xb8/0x310 [ 257.893399] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.898246] ? warn_alloc+0x120/0x120 [ 257.902036] ? lock_release+0x970/0x970 [ 257.906020] ? warn_alloc+0x120/0x120 [ 257.909810] ? trace_hardirqs_on+0x310/0x310 [ 257.914210] ? warn_alloc+0x120/0x120 [ 257.917999] ? mark_held_locks+0x130/0x130 [ 257.922245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.927772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.933297] ? should_fail+0x22d/0xd01 [ 257.937174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.942268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.947795] ? should_fail+0x22d/0xd01 [ 257.951672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.956762] ? should_fail+0x22d/0xd01 [ 257.960642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.965746] ? mark_held_locks+0x130/0x130 [ 257.969972] ? mark_held_locks+0x130/0x130 [ 257.974197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.979724] ? trace_hardirqs_off+0xb8/0x310 [ 257.984122] ? kasan_check_read+0x11/0x20 [ 257.988258] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.992659] ? trace_hardirqs_on+0x310/0x310 [ 257.997059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.002583] ? wq_watchdog_touch+0x9c/0xfe [ 258.006807] ? io_serial_in+0x11/0x90 [ 258.010599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.016127] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.021238] __alloc_pages_nodemask+0xa80/0xde0 [ 258.025897] ? should_fail+0x22d/0xd01 [ 258.029783] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.034797] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.039459] ? lock_downgrade+0x900/0x900 [ 258.043603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.049132] cache_grow_begin+0x91/0x8c0 [ 258.053186] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.057587] fallback_alloc+0x203/0x2e0 [ 258.061557] ____cache_alloc_node+0x1c7/0x1e0 [ 258.066048] kmem_cache_alloc_node+0xe3/0x730 [ 258.070532] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.074761] __alloc_skb+0x119/0x770 [ 258.078467] ? skb_scrub_packet+0x490/0x490 [ 258.082776] ? lock_downgrade+0x900/0x900 [ 258.086925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.092464] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.097905] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.103355] ? addrconf_rs_timer+0x690/0x690 [ 258.107761] ndisc_alloc_skb+0x144/0x340 [ 258.112336] ndisc_send_rs+0x331/0x6e0 [ 258.116218] addrconf_rs_timer+0x314/0x690 [ 258.120444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.124672] call_timer_fn+0x272/0x920 [ 258.128546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.132769] ? process_timeout+0x40/0x40 [ 258.136820] ? trace_hardirqs_off+0xb8/0x310 [ 258.141214] ? kasan_check_read+0x11/0x20 [ 258.145358] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.149751] ? trace_hardirqs_on+0x310/0x310 [ 258.154148] ? __run_timers+0x7da/0xc70 [ 258.158132] ? lock_downgrade+0x900/0x900 [ 258.162271] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.167363] ? trace_hardirqs_on+0xbd/0x310 [ 258.171671] ? kasan_check_read+0x11/0x20 [ 258.175911] ? __run_timers+0x7da/0xc70 [ 258.179896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.185347] ? kasan_check_write+0x14/0x20 [ 258.189589] ? do_raw_spin_lock+0xc1/0x200 [ 258.193812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.198056] __run_timers+0x7e5/0xc70 [ 258.201851] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.207289] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.212292] ? timerqueue_add+0x207/0x2b0 [ 258.216467] ? enqueue_hrtimer+0x1a5/0x560 [ 258.220693] ? lock_release+0x970/0x970 [ 258.224672] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.229851] ? kasan_check_write+0x14/0x20 [ 258.234088] ? pvclock_read_flags+0x160/0x160 [ 258.238572] ? lock_downgrade+0x900/0x900 [ 258.242732] ? trace_hardirqs_on+0xbd/0x310 [ 258.247041] ? kvm_sched_clock_read+0x9/0x20 [ 258.251436] ? irq_exit+0x17f/0x1c0 [ 258.255053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.260582] ? check_preemption_disabled+0x48/0x200 [ 258.265587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.271115] run_timer_softirq+0x52/0xb0 [ 258.275165] ? __this_cpu_preempt_check+0x1c/0x1f [ 258.280325] __do_softirq+0x30b/0xad8 [ 258.284116] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.289320] ? pvclock_read_flags+0x160/0x160 [ 258.293803] ? lapic_next_event+0x5a/0x90 [ 258.297948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.303476] ? clockevents_program_event+0x140/0x370 [ 258.308570] ? kvm_clock_read+0x18/0x30 [ 258.312531] ? kvm_sched_clock_read+0x9/0x20 [ 258.316936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.322466] ? check_preemption_disabled+0x48/0x200 [ 258.327476] irq_exit+0x17f/0x1c0 [ 258.330929] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.335760] ? smp_reschedule_interrupt+0x109/0x650 [ 258.340767] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.346647] ? interrupt_entry+0xb5/0xf0 [ 258.350697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.355699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.360709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.365542] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.370632] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.375635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.381161] ? check_preemption_disabled+0x48/0x200 [ 258.386168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.391006] apic_timer_interrupt+0xf/0x20 [ 258.395226] [ 258.397460] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.402383] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 258.421270] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.429071] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 258.436328] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 258.443585] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 258.450840] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 258.459237] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 258.466597] ? trace_hardirqs_on+0xb4/0x310 [ 258.473139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.478689] skb_clone+0x1bb/0x500 [ 258.482239] ? finish_task_switch+0x2f5/0x900 [ 258.486722] ? skb_split+0x11e0/0x11e0 [ 258.490605] ? preempt_notifier_register+0x200/0x200 [ 258.495703] ? __switch_to_asm+0x34/0x70 [ 258.499756] ? __switch_to_asm+0x34/0x70 [ 258.503803] ? __switch_to_asm+0x40/0x70 [ 258.507854] ? __switch_to_asm+0x34/0x70 [ 258.511912] ? __switch_to_asm+0x40/0x70 [ 258.515977] ? __switch_to_asm+0x34/0x70 [ 258.520025] ? __switch_to_asm+0x40/0x70 [ 258.524074] ? __switch_to_asm+0x34/0x70 [ 258.528123] ? __switch_to_asm+0x34/0x70 [ 258.532176] ? __switch_to_asm+0x40/0x70 [ 258.536222] ? __switch_to_asm+0x34/0x70 [ 258.540295] bpf_clone_redirect+0xb9/0x490 [ 258.544539] ? __schedule+0x874/0x1ed0 [ 258.548418] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 258.553337] ? __sched_text_start+0x8/0x8 [ 258.557486] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.562233] ? retint_kernel+0x2d/0x2d [ 258.566114] ? lock_acquire+0x1ed/0x520 [ 258.570080] ? bpf_test_run+0x32e/0x5a0 [ 258.574051] ? lock_release+0x970/0x970 [ 258.578015] ? preempt_schedule+0x4d/0x60 [ 258.582153] ? preempt_schedule_common+0x1f/0xd0 [ 258.586908] ? preempt_schedule+0x4d/0x60 [ 258.591044] ? ___preempt_schedule+0x16/0x18 [ 258.595442] ? bpf_test_run+0x1c0/0x5a0 [ 258.599408] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.603810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.609422] ? bpf_test_init.isra.9+0x70/0x100 [ 258.613994] ? bpf_prog_test_run_skb+0x634/0xb40 [ 258.618760] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.623592] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.629115] ? fput+0x130/0x1a0 [ 258.632384] ? __bpf_prog_get+0x9b/0x290 [ 258.636433] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.641264] ? bpf_prog_test_run+0x130/0x1a0 [ 258.645659] ? __x64_sys_bpf+0x3d8/0x510 [ 258.649708] ? bpf_prog_get+0x20/0x20 [ 258.653506] ? do_syscall_64+0x1b9/0x820 [ 258.657555] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.662912] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.667836] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.672849] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.677872] ? recalc_sigpending_tsk+0x180/0x180 [ 258.682618] ? kasan_check_write+0x14/0x20 [ 258.686844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.691691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.697052] warn_alloc_show_mem: 1 callbacks suppressed [ 258.697061] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 258.697062] Mem-Info: [ 258.697091] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 258.697091] active_file:16 inactive_file:17 isolated_file:0 [ 258.697091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.697091] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 258.697091] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 258.697091] free:13792 free_pcp:309 free_cma:0 [ 258.702423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.709244] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.709247] Node 0 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 [ 258.709266] lowmem_reserve[]: 0 2819 6323 6323 [ 258.709278] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 258.709297] lowmem_reserve[]: 0 0 3503 3503 [ 258.709308] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 258.709328] lowmem_reserve[]: 0 0 0 0 [ 258.709338] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 258.709387] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) [ 258.711812] Call Trace: [ 258.744833] 4*16kB (UME) [ 258.754736] dump_stack+0x1c4/0x2b4 [ 258.782559] 4*32kB [ 258.808669] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.813228] (UME) [ 258.842868] warn_alloc.cold.119+0xb7/0x1bd [ 258.847163] 5*64kB [ 258.876122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.879894] (ME) [ 258.893402] ? lock_downgrade+0x900/0x900 [ 258.898214] 5*128kB [ 258.900785] ? trace_hardirqs_off+0xb8/0x310 [ 258.903511] (UME) [ 258.907128] ? trace_hardirqs_off+0xb8/0x310 [ 258.909328] 4*256kB [ 258.914500] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.916617] (ME) [ 258.920936] ? warn_alloc+0x120/0x120 [ 258.923131] 5*512kB [ 258.927957] ? warn_alloc+0x120/0x120 [ 258.929986] (UME) [ 258.934122] ? warn_alloc+0x120/0x120 [ 258.936411] 4*1024kB [ 258.940801] ? mark_held_locks+0x130/0x130 [ 258.942917] (UME) [ 258.947310] ? mark_held_locks+0x130/0x130 [ 258.949602] 2*2048kB [ 258.954836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.956876] (ME) [ 258.960659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.962953] 3*4096kB [ 258.966737] ? should_fail+0x22d/0xd01 [ 258.968858] (M) [ 258.972641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.975019] = 25256kB [ 258.979237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.981359] Node 0 [ 258.985579] ? should_fail+0x22d/0xd01 [ 258.987961] Normal: [ 258.993481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.995515] 1063*4kB [ 259.002854] ? should_fail+0x22d/0xd01 [ 259.005237] (UMEH) [ 259.009109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.011050] 420*8kB [ 259.016136] ? mark_held_locks+0x130/0x130 [ 259.018516] (UME) [ 259.024039] ? mark_held_locks+0x130/0x130 [ 259.026243] 170*16kB [ 259.030110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.032401] (UMEH) [ 259.037696] ? trace_hardirqs_off+0xb8/0x310 [ 259.040076] 65*32kB [ 259.043944] ? kasan_check_read+0x11/0x20 [ 259.046148] (UME) [ 259.051234] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.053636] 9*64kB (UM) [ 259.057870] ? trace_hardirqs_on+0x310/0x310 [ 259.059989] 0*128kB [ 259.064204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.066585] 0*256kB [ 259.072107] ? wq_watchdog_touch+0x9c/0xfe [ 259.074313] 0*512kB [ 259.078703] ? io_serial_in+0x11/0x90 [ 259.080995] 1*1024kB [ 259.085127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.087244] (H) [ 259.091646] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.094285] 0*2048kB [ 259.098677] __alloc_pages_nodemask+0xa80/0xde0 [ 259.100966] 0*4096kB [ 259.106486] ? should_fail+0x22d/0xd01 [ 259.108780] = 14012kB [ 259.113000] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.115300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.119089] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.121469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.126985] ? lock_downgrade+0x900/0x900 [ 259.128933] 4986 total pagecache pages [ 259.134031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.136409] 0 pages in swap cache [ 259.141063] cache_grow_begin+0x91/0x8c0 [ 259.143445] Swap cache stats: add 0, delete 0, find 0/0 [ 259.147313] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.149694] Free swap = 0kB [ 259.154692] fallback_alloc+0x203/0x2e0 [ 259.163492] Total swap = 0kB [ 259.163499] 1965979 pages RAM [ 259.168283] ____cache_alloc_node+0x1c7/0x1e0 [ 259.176827] 0 pages HighMem/MovableOnly [ 259.176834] 342307 pages reserved [ 259.180968] kmem_cache_alloc_node+0xe3/0x730 [ 259.184828] 0 pages cma reserved [ 259.190359] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.193833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.197833] __alloc_skb+0x119/0x770 [ 259.203224] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.208929] ? skb_scrub_packet+0x490/0x490 [ 259.211930] syz-executor4 cpuset= [ 259.215892] ? lock_downgrade+0x900/0x900 [ 259.218880] syz4 [ 259.221972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.226428] mems_allowed=0 [ 259.289687] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.295128] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.300573] ? addrconf_rs_timer+0x690/0x690 [ 259.304978] ndisc_alloc_skb+0x144/0x340 [ 259.309573] ndisc_send_rs+0x331/0x6e0 [ 259.313451] addrconf_rs_timer+0x314/0x690 [ 259.317673] ? lock_release+0x970/0x970 [ 259.321639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.325872] call_timer_fn+0x272/0x920 [ 259.329751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.333976] ? process_timeout+0x40/0x40 [ 259.338031] ? kasan_check_read+0x11/0x20 [ 259.342168] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.346780] ? trace_hardirqs_on+0x310/0x310 [ 259.351187] ? __run_timers+0x7da/0xc70 [ 259.355151] ? lock_downgrade+0x900/0x900 [ 259.359292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.364387] ? trace_hardirqs_on+0xbd/0x310 [ 259.369158] ? kasan_check_read+0x11/0x20 [ 259.373293] ? __run_timers+0x7da/0xc70 [ 259.379135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.386470] ? kasan_check_write+0x14/0x20 [ 259.390693] ? do_raw_spin_lock+0xc1/0x200 [ 259.394916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.399237] __run_timers+0x7e5/0xc70 [ 259.403035] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.408386] ? compat_start_thread+0x80/0x80 [ 259.412780] ? dequeue_entity+0x1770/0x1770 [ 259.417095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.422619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.428146] ? kasan_check_write+0x14/0x20 [ 259.432369] ? finish_task_switch+0x2f5/0x900 [ 259.436855] ? __switch_to_asm+0x40/0x70 [ 259.440911] ? preempt_notifier_register+0x200/0x200 [ 259.446002] ? __switch_to_asm+0x34/0x70 [ 259.450050] ? __switch_to_asm+0x40/0x70 [ 259.455596] ? __switch_to_asm+0x34/0x70 [ 259.459645] ? __switch_to_asm+0x40/0x70 [ 259.463695] ? __switch_to_asm+0x34/0x70 [ 259.467745] ? __switch_to_asm+0x40/0x70 [ 259.478771] ? pvclock_read_flags+0x160/0x160 [ 259.483273] ? __schedule+0x874/0x1ed0 [ 259.487149] ? run_rebalance_domains+0x38d/0x500 [ 259.491899] ? trace_hardirqs_on+0xbd/0x310 [ 259.496211] ? kvm_sched_clock_read+0x9/0x20 [ 259.500607] ? run_ksoftirqd+0x94/0x100 [ 259.504571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.510098] ? check_preemption_disabled+0x48/0x200 [ 259.515107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.520637] run_timer_softirq+0x52/0xb0 [ 259.524692] ? __this_cpu_preempt_check+0x1c/0x1f [ 259.529526] __do_softirq+0x30b/0xad8 [ 259.533326] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.538933] ? trace_hardirqs_off+0xb8/0x310 [ 259.543355] ? schedule+0x108/0x460 [ 259.546976] ? __schedule+0x1ed0/0x1ed0 [ 259.551325] ? run_ksoftirqd+0x99/0x100 [ 259.555288] ? trace_hardirqs_off+0xb8/0x310 [ 259.559690] ? ___might_sleep+0x1ed/0x300 [ 259.564148] ? smpboot_thread_fn+0x68b/0xa00 [ 259.569329] ? trace_hardirqs_on+0x310/0x310 [ 259.575572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.583184] ? check_preemption_disabled+0x48/0x200 [ 259.590536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.596065] ? takeover_tasklets+0xa90/0xa90 [ 259.600931] run_ksoftirqd+0x94/0x100 [ 259.604721] smpboot_thread_fn+0x68b/0xa00 [ 259.608950] ? sort_range+0x30/0x30 [ 259.612581] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.617672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.623197] ? __kthread_parkme+0xfb/0x1a0 [ 259.627427] kthread+0x35a/0x420 [ 259.630779] ? sort_range+0x30/0x30 [ 259.634402] ? kthread_bind+0x40/0x40 [ 259.638192] ret_from_fork+0x3a/0x50 [ 259.641908] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 259.641957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.649177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.655706] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.664980] Call Trace: [ 259.675769] ksoftirqd/1 cpuset= [ 259.678331] [ 259.678333] / mems_allowed=0 [ 259.681602] dump_stack+0x1c4/0x2b4 [ 259.690350] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.695541] warn_alloc.cold.119+0xb7/0x1bd [ 259.699857] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.704689] ? lock_downgrade+0x900/0x900 [ 259.708843] ? trace_hardirqs_off+0xb8/0x310 [ 259.713242] ? trace_hardirqs_off+0xb8/0x310 [ 259.717645] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.722494] ? warn_alloc+0x120/0x120 [ 259.726283] ? trace_hardirqs_on+0x310/0x310 [ 259.730685] ? warn_alloc+0x120/0x120 [ 259.734663] ? warn_alloc+0x120/0x120 [ 259.738448] ? ktime_get+0x2e1/0x440 [ 259.742169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.747698] ? check_preemption_disabled+0x48/0x200 [ 259.752704] ? kasan_check_read+0x11/0x20 [ 259.756842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.762370] ? should_fail+0x22d/0xd01 [ 259.766248] ? rcu_bh_qs+0xc0/0xc0 [ 259.769785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.774884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.780410] ? should_fail+0x22d/0xd01 [ 259.784294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.789387] ? should_fail+0x22d/0xd01 [ 259.793267] ? rcu_idle_enter+0x4b0/0x4b0 [ 259.797404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.802496] ? mark_held_locks+0x130/0x130 [ 259.806722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.812250] ? mark_held_locks+0x130/0x130 [ 259.816475] ? rcu_irq_exit+0xce/0x100 [ 259.820351] ? irq_exit+0xbd/0x1c0 [ 259.823889] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 259.828898] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.833297] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.839171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.844693] ? ret_from_intr+0xb/0x1e [ 259.848482] ? retint_kernel+0x2d/0x2d [ 259.852358] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.857277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.862030] ? trace_hardirqs_off+0x310/0x310 [ 259.866517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.871618] __alloc_pages_nodemask+0xa80/0xde0 [ 259.876276] ? should_fail+0x22d/0xd01 [ 259.880161] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.885178] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.889835] ? lock_downgrade+0x900/0x900 [ 259.893978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.899507] cache_grow_begin+0x91/0x8c0 [ 259.909902] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.914306] fallback_alloc+0x203/0x2e0 [ 259.918301] ____cache_alloc_node+0x1c7/0x1e0 [ 259.922812] kmem_cache_alloc_node+0xe3/0x730 [ 259.927323] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.931554] __alloc_skb+0x119/0x770 [ 259.935258] ? skb_scrub_packet+0x490/0x490 [ 259.939567] ? lock_downgrade+0x900/0x900 [ 259.943711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.949237] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.954676] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.960117] ? addrconf_rs_timer+0x690/0x690 [ 259.964522] ndisc_alloc_skb+0x144/0x340 [ 259.968575] ndisc_send_rs+0x331/0x6e0 [ 259.972456] addrconf_rs_timer+0x314/0x690 [ 259.976687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.980919] call_timer_fn+0x272/0x920 [ 259.984802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.989026] ? process_timeout+0x40/0x40 [ 259.993073] ? trace_hardirqs_off+0xb8/0x310 [ 259.997467] ? kasan_check_read+0x11/0x20 [ 260.001605] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.006002] ? trace_hardirqs_on+0x310/0x310 [ 260.010402] ? __run_timers+0x7da/0xc70 [ 260.014542] ? lock_downgrade+0x900/0x900 [ 260.019290] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.024385] ? trace_hardirqs_on+0xbd/0x310 [ 260.028694] ? kasan_check_read+0x11/0x20 [ 260.032833] ? __run_timers+0x7da/0xc70 [ 260.036802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.042242] ? kasan_check_write+0x14/0x20 [ 260.046466] ? do_raw_spin_lock+0xc1/0x200 [ 260.051303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.055529] __run_timers+0x7e5/0xc70 [ 260.059360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.064716] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.069729] ? timerqueue_add+0x207/0x2b0 [ 260.073878] ? enqueue_hrtimer+0x1a5/0x560 [ 260.078104] ? lock_release+0x970/0x970 [ 260.082069] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.087251] ? kasan_check_write+0x14/0x20 [ 260.091482] ? pvclock_read_flags+0x160/0x160 [ 260.095968] ? lock_downgrade+0x900/0x900 [ 260.100110] ? trace_hardirqs_on+0xbd/0x310 [ 260.104425] ? kvm_sched_clock_read+0x9/0x20 [ 260.108825] ? irq_exit+0x17f/0x1c0 [ 260.112944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.118474] ? check_preemption_disabled+0x48/0x200 [ 260.123477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.129180] run_timer_softirq+0x52/0xb0 [ 260.133233] ? __this_cpu_preempt_check+0x1c/0x1f [ 260.138065] __do_softirq+0x30b/0xad8 [ 260.141864] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.147058] ? pvclock_read_flags+0x160/0x160 [ 260.151541] ? lapic_next_event+0x5a/0x90 [ 260.155682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.161211] ? clockevents_program_event+0x140/0x370 [ 260.166306] ? kvm_clock_read+0x18/0x30 [ 260.170268] ? kvm_sched_clock_read+0x9/0x20 [ 260.174665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.180194] ? check_preemption_disabled+0x48/0x200 [ 260.185206] irq_exit+0x17f/0x1c0 [ 260.188650] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.193481] ? smp_reschedule_interrupt+0x109/0x650 [ 260.198486] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.204360] ? interrupt_entry+0xb5/0xf0 [ 260.208412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.213417] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.218423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.223258] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.228264] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.233291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.238818] ? check_preemption_disabled+0x48/0x200 [ 260.243828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.248661] apic_timer_interrupt+0xf/0x20 [ 260.253044] [ 260.255331] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.260249] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 260.281428] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.289389] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 260.299165] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 260.307293] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 260.314552] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 260.321811] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.329086] ? trace_hardirqs_on+0xb4/0x310 [ 260.333407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.338940] skb_clone+0x1bb/0x500 [ 260.342470] ? finish_task_switch+0x2f5/0x900 [ 260.346953] ? skb_split+0x11e0/0x11e0 [ 260.350835] ? preempt_notifier_register+0x200/0x200 [ 260.355925] ? __switch_to_asm+0x34/0x70 [ 260.359973] ? __switch_to_asm+0x34/0x70 [ 260.364022] ? __switch_to_asm+0x40/0x70 [ 260.368070] ? __switch_to_asm+0x34/0x70 [ 260.372117] ? __switch_to_asm+0x40/0x70 [ 260.376164] ? __switch_to_asm+0x34/0x70 [ 260.380214] ? __switch_to_asm+0x40/0x70 [ 260.384259] ? __switch_to_asm+0x34/0x70 [ 260.388306] ? __switch_to_asm+0x34/0x70 [ 260.392353] ? __switch_to_asm+0x40/0x70 [ 260.396400] ? __switch_to_asm+0x34/0x70 [ 260.400452] bpf_clone_redirect+0xb9/0x490 [ 260.404681] ? __schedule+0x874/0x1ed0 [ 260.408561] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 260.413482] ? __sched_text_start+0x8/0x8 [ 260.417620] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.422370] ? retint_kernel+0x2d/0x2d [ 260.426251] ? lock_acquire+0x1ed/0x520 [ 260.430212] ? bpf_test_run+0x32e/0x5a0 [ 260.434181] ? lock_release+0x970/0x970 [ 260.438142] ? preempt_schedule+0x4d/0x60 [ 260.442282] ? preempt_schedule_common+0x1f/0xd0 [ 260.447024] ? preempt_schedule+0x4d/0x60 [ 260.453510] ? ___preempt_schedule+0x16/0x18 [ 260.457910] ? bpf_test_run+0x1c0/0x5a0 [ 260.461874] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.466294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.471819] ? bpf_test_init.isra.9+0x70/0x100 [ 260.476395] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.481141] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.485972] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.491500] ? fput+0x130/0x1a0 [ 260.494767] ? __bpf_prog_get+0x9b/0x290 [ 260.498819] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.503647] ? bpf_prog_test_run+0x130/0x1a0 [ 260.508044] ? __x64_sys_bpf+0x3d8/0x510 [ 260.512782] ? bpf_prog_get+0x20/0x20 [ 260.516582] ? do_syscall_64+0x1b9/0x820 [ 260.520634] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.525987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.530922] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.535929] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.540936] ? recalc_sigpending_tsk+0x180/0x180 [ 260.545940] ? kasan_check_write+0x14/0x20 [ 260.550168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.555004] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.560378] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 260.560382] warn_alloc_show_mem: 1 callbacks suppressed [ 260.560388] Mem-Info: [ 260.567212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.572570] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 260.572570] active_file:16 inactive_file:17 isolated_file:0 [ 260.572570] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.572570] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 260.572570] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 260.572570] free:13792 free_pcp:309 free_cma:0 [ 260.575403] Call Trace: [ 260.584775] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.619385] dump_stack+0x1c4/0x2b4 [ 260.621929] Node 0 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 [ 260.621949] lowmem_reserve[]: 0 2819 6323 6323 [ 260.621959] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 260.621978] lowmem_reserve[]: 0 0 3503 3503 [ 260.621988] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 260.622007] lowmem_reserve[]: 0 0 0 0 [ 260.622017] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 260.622063] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 260.622114] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 260.622162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.622168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.622171] 4986 total pagecache pages [ 260.622174] 0 pages in swap cache [ 260.622179] Swap cache stats: add 0, delete 0, find 0/0 [ 260.622181] Free swap = 0kB [ 260.622183] Total swap = 0kB [ 260.622186] 1965979 pages RAM [ 260.622188] 0 pages HighMem/MovableOnly [ 260.622190] 342307 pages reserved [ 260.622192] 0 pages cma reserved [ 260.622237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.622282] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.650080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.653672] syz-executor4 cpuset= [ 260.680720] warn_alloc.cold.119+0xb7/0x1bd [ 260.688146] syz4 [ 260.718142] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.722432] mems_allowed=0 [ 260.753035] ? lock_downgrade+0x900/0x900 [ 260.897095] ? trace_hardirqs_off+0xb8/0x310 [ 260.901498] ? trace_hardirqs_off+0xb8/0x310 [ 260.905901] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.910751] ? warn_alloc+0x120/0x120 [ 260.914545] ? warn_alloc+0x120/0x120 [ 260.918335] ? warn_alloc+0x120/0x120 [ 260.922142] ? mark_held_locks+0x130/0x130 [ 260.926366] ? mark_held_locks+0x130/0x130 [ 260.930589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.936115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.941644] ? should_fail+0x22d/0xd01 [ 260.945537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.950626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.956156] ? should_fail+0x22d/0xd01 [ 260.960037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.965125] ? should_fail+0x22d/0xd01 [ 260.969008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.974103] ? mark_held_locks+0x130/0x130 [ 260.978327] ? mark_held_locks+0x130/0x130 [ 260.983081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.988614] ? trace_hardirqs_off+0xb8/0x310 [ 260.993012] ? kasan_check_read+0x11/0x20 [ 260.997150] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.002058] ? trace_hardirqs_on+0x310/0x310 [ 261.006461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.011991] ? wq_watchdog_touch+0x9c/0xfe [ 261.016222] ? io_serial_in+0x11/0x90 [ 261.020016] ? retint_kernel+0x2d/0x2d [ 261.024770] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.029705] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.034452] ? trace_hardirqs_off+0x310/0x310 [ 261.038936] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.044036] __alloc_pages_nodemask+0xa80/0xde0 [ 261.048700] ? should_fail+0x22d/0xd01 [ 261.052583] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.057602] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.062262] ? lock_downgrade+0x900/0x900 [ 261.066413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.071943] cache_grow_begin+0x91/0x8c0 [ 261.075994] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.080399] fallback_alloc+0x203/0x2e0 [ 261.084884] ____cache_alloc_node+0x1c7/0x1e0 [ 261.089377] kmem_cache_alloc_node+0xe3/0x730 [ 261.093866] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.098094] __alloc_skb+0x119/0x770 [ 261.101812] ? skb_scrub_packet+0x490/0x490 [ 261.106121] ? lock_downgrade+0x900/0x900 [ 261.110269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.115799] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.121243] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.126692] ? addrconf_rs_timer+0x690/0x690 [ 261.131097] ndisc_alloc_skb+0x144/0x340 [ 261.135154] ndisc_send_rs+0x331/0x6e0 [ 261.139037] addrconf_rs_timer+0x314/0x690 [ 261.143258] ? lock_release+0x970/0x970 [ 261.147227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.151469] call_timer_fn+0x272/0x920 [ 261.155349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.159573] ? process_timeout+0x40/0x40 [ 261.163618] ? kasan_check_read+0x11/0x20 [ 261.168222] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.172621] ? trace_hardirqs_on+0x310/0x310 [ 261.177019] ? __run_timers+0x7da/0xc70 [ 261.180986] ? lock_downgrade+0x900/0x900 [ 261.185668] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.190763] ? trace_hardirqs_on+0xbd/0x310 [ 261.195075] ? kasan_check_read+0x11/0x20 [ 261.199216] ? __run_timers+0x7da/0xc70 [ 261.203187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.208625] ? kasan_check_write+0x14/0x20 [ 261.212856] ? do_raw_spin_lock+0xc1/0x200 [ 261.219238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.225286] __run_timers+0x7e5/0xc70 [ 261.229351] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.234702] ? compat_start_thread+0x80/0x80 [ 261.239098] ? dequeue_entity+0x1770/0x1770 [ 261.243410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.248939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.254469] ? kasan_check_write+0x14/0x20 [ 261.259569] ? finish_task_switch+0x2f5/0x900 [ 261.264050] ? __switch_to_asm+0x40/0x70 [ 261.268102] ? preempt_notifier_register+0x200/0x200 [ 261.273200] ? __switch_to_asm+0x34/0x70 [ 261.277248] ? __switch_to_asm+0x40/0x70 [ 261.281298] ? __switch_to_asm+0x34/0x70 [ 261.285448] ? __switch_to_asm+0x40/0x70 [ 261.289495] ? __switch_to_asm+0x34/0x70 [ 261.293542] ? __switch_to_asm+0x40/0x70 [ 261.297598] ? pvclock_read_flags+0x160/0x160 [ 261.302088] ? __schedule+0x874/0x1ed0 [ 261.305968] ? run_rebalance_domains+0x38d/0x500 [ 261.311209] ? trace_hardirqs_on+0xbd/0x310 [ 261.315520] ? kvm_sched_clock_read+0x9/0x20 [ 261.319918] ? run_ksoftirqd+0x94/0x100 [ 261.323886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.329867] ? check_preemption_disabled+0x48/0x200 [ 261.334871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.340402] run_timer_softirq+0x52/0xb0 [ 261.344452] ? __this_cpu_preempt_check+0x1c/0x1f [ 261.349300] __do_softirq+0x30b/0xad8 [ 261.353563] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.358661] ? trace_hardirqs_off+0xb8/0x310 [ 261.363064] ? schedule+0x108/0x460 [ 261.367187] ? __schedule+0x1ed0/0x1ed0 [ 261.374245] ? run_ksoftirqd+0x99/0x100 [ 261.378210] ? trace_hardirqs_off+0xb8/0x310 [ 261.382609] ? ___might_sleep+0x1ed/0x300 [ 261.386754] ? smpboot_thread_fn+0x68b/0xa00 [ 261.391650] ? trace_hardirqs_on+0x310/0x310 [ 261.396055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.401588] ? check_preemption_disabled+0x48/0x200 [ 261.406594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.412384] ? takeover_tasklets+0xa90/0xa90 [ 261.418377] run_ksoftirqd+0x94/0x100 [ 261.423035] smpboot_thread_fn+0x68b/0xa00 [ 261.427519] ? sort_range+0x30/0x30 [ 261.431138] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.436236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.441768] ? __kthread_parkme+0xfb/0x1a0 [ 261.445995] kthread+0x35a/0x420 [ 261.449350] ? sort_range+0x30/0x30 [ 261.455701] ? kthread_bind+0x40/0x40 [ 261.459494] ret_from_fork+0x3a/0x50 [ 261.463212] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 261.463265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.470476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.470480] Call Trace: [ 261.470486] [ 261.470499] dump_stack+0x1c4/0x2b4 [ 261.470516] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.478008] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.487325] warn_alloc.cold.119+0xb7/0x1bd [ 261.491387] ksoftirqd/1 cpuset= [ 261.493528] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.497120] / [ 261.502294] ? lock_downgrade+0x900/0x900 [ 261.514102] mems_allowed=0 [ 261.518415] ? trace_hardirqs_off+0xb8/0x310 [ 261.541604] ? trace_hardirqs_off+0xb8/0x310 [ 261.546011] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.550858] ? warn_alloc+0x120/0x120 [ 261.554657] ? warn_alloc+0x120/0x120 [ 261.558448] ? warn_alloc+0x120/0x120 [ 261.562235] ? lock_release+0x970/0x970 [ 261.566219] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.571401] ? trace_hardirqs_on+0x310/0x310 [ 261.575804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.581329] ? should_fail+0x22d/0xd01 [ 261.585209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.590299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.595823] ? should_fail+0x22d/0xd01 [ 261.599704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.604797] ? should_fail+0x22d/0xd01 [ 261.608676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.613769] ? mark_held_locks+0x130/0x130 [ 261.618010] ? mark_held_locks+0x130/0x130 [ 261.622239] ? kvm_clock_read+0x18/0x30 [ 261.626212] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.631220] ? ktime_get+0x2e1/0x440 [ 261.635183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.641468] ? check_preemption_disabled+0x48/0x200 [ 261.646475] ? kasan_check_read+0x11/0x20 [ 261.650644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.655913] ? rcu_bh_qs+0xc0/0xc0 [ 261.659447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.664976] ? check_preemption_disabled+0x48/0x200 [ 261.669981] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.674985] ? widen_string+0xe0/0x2e0 [ 261.678884] __alloc_pages_nodemask+0xa80/0xde0 [ 261.683562] ? should_fail+0x22d/0xd01 [ 261.687478] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.692503] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.697165] ? lock_downgrade+0x900/0x900 [ 261.701307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.706835] cache_grow_begin+0x91/0x8c0 [ 261.710887] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.715292] fallback_alloc+0x203/0x2e0 [ 261.719260] ____cache_alloc_node+0x1c7/0x1e0 [ 261.723752] kmem_cache_alloc_node+0xe3/0x730 [ 261.728241] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.732470] __alloc_skb+0x119/0x770 [ 261.736175] ? skb_scrub_packet+0x490/0x490 [ 261.740485] ? lock_downgrade+0x900/0x900 [ 261.744634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.750165] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.755619] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.761063] ? addrconf_rs_timer+0x690/0x690 [ 261.765472] ndisc_alloc_skb+0x144/0x340 [ 261.769526] ndisc_send_rs+0x331/0x6e0 [ 261.773409] addrconf_rs_timer+0x314/0x690 [ 261.777747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.781972] call_timer_fn+0x272/0x920 [ 261.785853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.790083] ? process_timeout+0x40/0x40 [ 261.794134] ? trace_hardirqs_off+0xb8/0x310 [ 261.798533] ? kasan_check_read+0x11/0x20 [ 261.802762] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.807159] ? trace_hardirqs_on+0x310/0x310 [ 261.811557] ? __run_timers+0x7da/0xc70 [ 261.815524] ? lock_downgrade+0x900/0x900 [ 261.819666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.824768] ? trace_hardirqs_on+0xbd/0x310 [ 261.829091] ? kasan_check_read+0x11/0x20 [ 261.833230] ? __run_timers+0x7da/0xc70 [ 261.837199] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.842644] ? kasan_check_write+0x14/0x20 [ 261.846870] ? do_raw_spin_lock+0xc1/0x200 [ 261.851125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.855369] __run_timers+0x7e5/0xc70 [ 261.859171] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.864540] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.869547] ? timerqueue_add+0x207/0x2b0 [ 261.873698] ? enqueue_hrtimer+0x1a5/0x560 [ 261.877922] ? lock_release+0x970/0x970 [ 261.881886] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.887070] ? kasan_check_write+0x14/0x20 [ 261.891298] ? pvclock_read_flags+0x160/0x160 [ 261.895784] ? lock_downgrade+0x900/0x900 [ 261.900043] ? trace_hardirqs_on+0xbd/0x310 [ 261.904401] ? kvm_sched_clock_read+0x9/0x20 [ 261.908802] ? irq_exit+0x17f/0x1c0 [ 261.912420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.917946] ? check_preemption_disabled+0x48/0x200 [ 261.922954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.928499] run_timer_softirq+0x52/0xb0 [ 261.932551] ? __this_cpu_preempt_check+0x1c/0x1f [ 261.937470] __do_softirq+0x30b/0xad8 [ 261.941264] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.946358] ? pvclock_read_flags+0x160/0x160 [ 261.950844] ? lapic_next_event+0x5a/0x90 [ 261.954981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.960506] ? clockevents_program_event+0x140/0x370 [ 261.965616] ? kvm_clock_read+0x18/0x30 [ 261.969581] ? kvm_sched_clock_read+0x9/0x20 [ 261.973990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.979536] ? check_preemption_disabled+0x48/0x200 [ 261.984550] irq_exit+0x17f/0x1c0 [ 261.987997] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.992831] ? smp_reschedule_interrupt+0x109/0x650 [ 261.997836] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.003708] ? interrupt_entry+0xb5/0xf0 [ 262.007764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.012768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.017777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.022616] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.027629] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.033244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.040521] ? check_preemption_disabled+0x48/0x200 [ 262.046836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.051671] apic_timer_interrupt+0xf/0x20 [ 262.055891] [ 262.058125] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.064872] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 262.083761] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 262.091457] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 262.098714] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 262.105972] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 262.113720] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 262.120980] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.128253] ? trace_hardirqs_on+0xb4/0x310 [ 262.132575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.138110] skb_clone+0x1bb/0x500 [ 262.141638] ? finish_task_switch+0x2f5/0x900 [ 262.146121] ? skb_split+0x11e0/0x11e0 [ 262.149996] ? preempt_notifier_register+0x200/0x200 [ 262.155185] ? __switch_to_asm+0x34/0x70 [ 262.159232] ? __switch_to_asm+0x34/0x70 [ 262.163279] ? __switch_to_asm+0x40/0x70 [ 262.167327] ? __switch_to_asm+0x34/0x70 [ 262.171372] ? __switch_to_asm+0x40/0x70 [ 262.175418] ? __switch_to_asm+0x34/0x70 [ 262.179466] ? __switch_to_asm+0x40/0x70 [ 262.183513] ? __switch_to_asm+0x34/0x70 [ 262.187571] ? __switch_to_asm+0x34/0x70 [ 262.191624] ? __switch_to_asm+0x40/0x70 [ 262.195675] ? __switch_to_asm+0x34/0x70 [ 262.199728] bpf_clone_redirect+0xb9/0x490 [ 262.203951] ? __schedule+0x874/0x1ed0 [ 262.207830] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 262.212752] ? __sched_text_start+0x8/0x8 [ 262.217065] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.221812] ? retint_kernel+0x2d/0x2d [ 262.225698] ? lock_acquire+0x1ed/0x520 [ 262.229664] ? bpf_test_run+0x32e/0x5a0 [ 262.233627] ? lock_release+0x970/0x970 [ 262.237595] ? preempt_schedule+0x4d/0x60 [ 262.241736] ? preempt_schedule_common+0x1f/0xd0 [ 262.246494] ? preempt_schedule+0x4d/0x60 [ 262.250632] ? ___preempt_schedule+0x16/0x18 [ 262.255038] ? bpf_test_run+0x1c0/0x5a0 [ 262.259004] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.263403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.270234] ? bpf_test_init.isra.9+0x70/0x100 [ 262.276367] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.281726] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.286566] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.294091] ? fput+0x130/0x1a0 [ 262.298153] ? __bpf_prog_get+0x9b/0x290 [ 262.302202] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.307036] ? bpf_prog_test_run+0x130/0x1a0 [ 262.311438] ? __x64_sys_bpf+0x3d8/0x510 [ 262.315490] ? bpf_prog_get+0x20/0x20 [ 262.319287] ? do_syscall_64+0x1b9/0x820 [ 262.323336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.329041] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.333956] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.338959] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.343966] ? recalc_sigpending_tsk+0x180/0x180 [ 262.348778] ? kasan_check_write+0x14/0x20 [ 262.353009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.357863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.364267] warn_alloc_show_mem: 1 callbacks suppressed [ 262.364276] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 262.364278] Mem-Info: [ 262.364307] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 262.364307] active_file:16 inactive_file:17 isolated_file:0 [ 262.364307] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.364307] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 262.364307] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 262.364307] free:13792 free_pcp:309 free_cma:0 [ 262.371289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.371295] Call Trace: [ 262.379519] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.381917] dump_stack+0x1c4/0x2b4 [ 262.415052] Node 0 [ 262.424395] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.426969] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.459362] warn_alloc.cold.119+0xb7/0x1bd [ 262.462955] lowmem_reserve[]: [ 262.465177] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.470330] 0 [ 262.499495] ? lock_downgrade+0x900/0x900 [ 262.503771] 2819 [ 262.506863] ? trace_hardirqs_off+0xb8/0x310 [ 262.511672] 6323 [ 262.513462] ? trace_hardirqs_off+0xb8/0x310 [ 262.517576] 6323 [ 262.519653] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.524027] Node 0 [ 262.526095] ? warn_alloc+0x120/0x120 [ 262.530487] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 262.532514] ? warn_alloc+0x120/0x120 [ 262.537334] lowmem_reserve[]: [ 262.539569] ? warn_alloc+0x120/0x120 [ 262.543357] 0 [ 262.570336] ? mark_held_locks+0x130/0x130 [ 262.574107] 0 [ 262.577196] ? mark_held_locks+0x130/0x130 [ 262.580968] 3503 [ 262.582766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.586959] 3503 [ 262.588752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.592952] Node 0 [ 262.595002] ? should_fail+0x22d/0xd01 [ 262.600535] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 262.602559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.608068] lowmem_reserve[]: [ 262.610289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.614141] 0 [ 262.643364] ? should_fail+0x22d/0xd01 [ 262.648437] 0 [ 262.652364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.659341] 0 [ 262.662183] ? should_fail+0x22d/0xd01 [ 262.666819] 0 [ 262.669066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.674131] Node 0 [ 262.675919] ? mark_held_locks+0x130/0x130 [ 262.679772] DMA: [ 262.681645] ? mark_held_locks+0x130/0x130 [ 262.686713] 1*4kB (U) [ 262.688982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.688998] ? trace_hardirqs_off+0xb8/0x310 [ 262.693205] 0*8kB [ 262.695748] ? kasan_check_read+0x11/0x20 [ 262.699962] 0*16kB [ 262.702444] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.707945] 1*32kB (U) [ 262.712341] ? trace_hardirqs_on+0x310/0x310 [ 262.714461] 2*64kB [ 262.718588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.720801] (U) [ 262.725202] ? wq_watchdog_touch+0x9c/0xfe [ 262.727758] 1*128kB [ 262.732168] ? io_serial_in+0x11/0x90 [ 262.734375] (U) [ 262.740350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.742310] 1*256kB [ 262.746535] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.748828] (U) 0*512kB [ 262.752661] __alloc_pages_nodemask+0xa80/0xde0 [ 262.754835] 1*1024kB [ 262.762463] ? should_fail+0x22d/0xd01 [ 262.765449] (U) [ 262.770544] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.773194] 1*2048kB [ 262.777865] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.780236] (M) [ 262.784111] ? lock_downgrade+0x900/0x900 [ 262.786063] 3*4096kB [ 262.791076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.793451] (M) [ 262.798105] cache_grow_begin+0x91/0x8c0 [ 262.800053] = 15908kB [ 262.804651] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.807030] Node 0 [ 262.812557] fallback_alloc+0x203/0x2e0 [ 262.814501] DMA32: [ 262.818557] ____cache_alloc_node+0x1c7/0x1e0 [ 262.820948] 6*4kB [ 262.825342] kmem_cache_alloc_node+0xe3/0x730 [ 262.827549] (UME) 2*8kB [ 262.831521] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.833985] (UE) [ 262.839911] __alloc_skb+0x119/0x770 [ 262.842372] 4*16kB (UME) [ 262.847340] ? skb_scrub_packet+0x490/0x490 [ 262.849981] 4*32kB [ 262.854200] ? lock_downgrade+0x900/0x900 [ 262.856233] (UME) [ 262.862542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.865269] 5*64kB (ME) [ 262.869582] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.871789] 5*128kB [ 262.875918] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.878034] (UME) 4*256kB (ME) [ 262.883562] ? addrconf_rs_timer+0x690/0x690 [ 262.886204] 5*512kB [ 262.891639] ndisc_alloc_skb+0x144/0x340 [ 262.893926] (UME) [ 262.899361] ndisc_send_rs+0x331/0x6e0 [ 262.902608] 4*1024kB [ 262.906996] addrconf_rs_timer+0x314/0x690 [ 262.909290] (UME) [ 262.913336] ? lock_release+0x970/0x970 [ 262.915452] 2*2048kB (ME) [ 262.919328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.921710] 3*4096kB [ 262.925929] call_timer_fn+0x272/0x920 [ 262.928043] (M) [ 262.931998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.934808] = 25256kB [ 262.939031] ? process_timeout+0x40/0x40 [ 262.941406] Node 0 [ 262.945274] ? kasan_check_read+0x11/0x20 [ 262.947221] Normal: [ 262.951437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.953817] 1063*4kB [ 262.957863] ? trace_hardirqs_on+0x310/0x310 [ 262.960065] (UMEH) [ 262.964201] ? __run_timers+0x7da/0xc70 [ 262.966495] 420*8kB [ 262.970888] ? lock_downgrade+0x900/0x900 [ 262.973265] (UME) [ 262.977658] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.979862] 170*16kB [ 262.983821] ? trace_hardirqs_on+0xbd/0x310 [ 262.986112] (UMEH) [ 262.990241] ? kasan_check_read+0x11/0x20 [ 262.992360] 65*32kB [ 262.997444] ? __run_timers+0x7da/0xc70 [ 262.999823] (UME) [ 263.004131] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.006337] 9*64kB [ 263.010504] ? kasan_check_write+0x14/0x20 [ 263.012794] (UM) 0*128kB 0*256kB 0*512kB 1*1024kB [ 263.016776] ? do_raw_spin_lock+0xc1/0x200 [ 263.018893] (H) [ 263.024344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.026553] 0*2048kB [ 263.031050] __run_timers+0x7e5/0xc70 [ 263.035950] 0*4096kB [ 263.040175] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.042125] = 14012kB [ 263.046846] ? compat_start_thread+0x80/0x80 [ 263.049235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.053031] ? dequeue_entity+0x1770/0x1770 [ 263.055418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.060761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.064007] 4986 total pagecache pages [ 263.068400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.077208] 0 pages in swap cache [ 263.081520] ? kasan_check_write+0x14/0x20 [ 263.090071] Swap cache stats: add 0, delete 0, find 0/0 [ 263.095592] ? finish_task_switch+0x2f5/0x900 [ 263.099447] Free swap = 0kB [ 263.104967] ? __switch_to_asm+0x40/0x70 [ 263.108403] Total swap = 0kB [ 263.112622] ? preempt_notifier_register+0x200/0x200 [ 263.117956] 1965979 pages RAM [ 263.122435] ? __switch_to_asm+0x34/0x70 [ 263.125423] 0 pages HighMem/MovableOnly [ 263.129924] ? __switch_to_asm+0x40/0x70 [ 263.132912] 342307 pages reserved [ 263.139625] ? __switch_to_asm+0x34/0x70 [ 263.139638] ? __switch_to_asm+0x40/0x70 [ 263.142714] 0 pages cma reserved [ 263.146754] ? __switch_to_asm+0x34/0x70 [ 263.150778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.155290] ? __switch_to_asm+0x40/0x70 [ 263.159223] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.163195] ? pvclock_read_flags+0x160/0x160 [ 263.167227] syz-executor4 cpuset= [ 263.170576] ? __schedule+0x874/0x1ed0 [ 263.174604] syz4 [ 263.181102] ? run_rebalance_domains+0x38d/0x500 [ 263.185127] mems_allowed=0 [ 263.217664] ? trace_hardirqs_on+0xbd/0x310 [ 263.221997] ? kvm_sched_clock_read+0x9/0x20 [ 263.226406] ? run_ksoftirqd+0x94/0x100 [ 263.230370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.235901] ? check_preemption_disabled+0x48/0x200 [ 263.240905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.246436] run_timer_softirq+0x52/0xb0 [ 263.250496] ? __this_cpu_preempt_check+0x1c/0x1f [ 263.255332] __do_softirq+0x30b/0xad8 [ 263.259131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.264745] ? trace_hardirqs_off+0xb8/0x310 [ 263.269146] ? schedule+0x108/0x460 [ 263.272775] ? __schedule+0x1ed0/0x1ed0 [ 263.276945] ? run_ksoftirqd+0x99/0x100 [ 263.284974] ? trace_hardirqs_off+0xb8/0x310 [ 263.289378] ? ___might_sleep+0x1ed/0x300 [ 263.293515] ? smpboot_thread_fn+0x68b/0xa00 [ 263.297914] ? trace_hardirqs_on+0x310/0x310 [ 263.302834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.308374] ? check_preemption_disabled+0x48/0x200 [ 263.313385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.318915] ? takeover_tasklets+0xa90/0xa90 [ 263.323312] run_ksoftirqd+0x94/0x100 [ 263.327116] smpboot_thread_fn+0x68b/0xa00 [ 263.331344] ? sort_range+0x30/0x30 [ 263.334958] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.340049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.346965] ? __kthread_parkme+0xfb/0x1a0 [ 263.352125] kthread+0x35a/0x420 [ 263.355487] ? sort_range+0x30/0x30 [ 263.359565] ? kthread_bind+0x40/0x40 [ 263.363361] ret_from_fork+0x3a/0x50 [ 263.367080] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 263.367127] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.374342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.374345] Call Trace: [ 263.374350] [ 263.374365] dump_stack+0x1c4/0x2b4 [ 263.374382] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.380898] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.390201] warn_alloc.cold.119+0xb7/0x1bd [ 263.392756] ksoftirqd/1 cpuset= [ 263.394889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.398488] / [ 263.403702] ? lock_downgrade+0x900/0x900 [ 263.413983] mems_allowed=0 [ 263.418292] ? trace_hardirqs_off+0xb8/0x310 [ 263.439496] ? trace_hardirqs_off+0xb8/0x310 [ 263.443901] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.448748] ? warn_alloc+0x120/0x120 [ 263.455050] ? warn_alloc+0x120/0x120 [ 263.458844] ? warn_alloc+0x120/0x120 [ 263.462639] ? idle_cpu+0x1d0/0x1d0 [ 263.466256] ? kvm_sched_clock_read+0x9/0x20 [ 263.472065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.477668] ? should_fail+0x22d/0xd01 [ 263.481644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.486737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.492265] ? should_fail+0x22d/0xd01 [ 263.496153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.501246] ? should_fail+0x22d/0xd01 [ 263.505123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.510219] ? mark_held_locks+0x130/0x130 [ 263.514446] ? mark_held_locks+0x130/0x130 [ 263.518695] ? try_to_wake_up+0x10a/0x12f0 [ 263.522938] ? lock_downgrade+0x900/0x900 [ 263.527429] ? trace_hardirqs_off+0xb8/0x310 [ 263.531832] ? kasan_check_read+0x11/0x20 [ 263.535973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.540375] ? trace_hardirqs_on+0x310/0x310 [ 263.544776] ? kasan_check_write+0x14/0x20 [ 263.549002] ? do_raw_spin_lock+0xc1/0x200 [ 263.553232] __alloc_pages_nodemask+0xa80/0xde0 [ 263.557891] ? should_fail+0x22d/0xd01 [ 263.561778] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.566795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.571464] ? lock_downgrade+0x900/0x900 [ 263.575611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.581142] cache_grow_begin+0x91/0x8c0 [ 263.585195] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.589596] fallback_alloc+0x203/0x2e0 [ 263.593566] ____cache_alloc_node+0x1c7/0x1e0 [ 263.598053] kmem_cache_alloc_node+0xe3/0x730 [ 263.602539] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.606768] __alloc_skb+0x119/0x770 [ 263.610490] ? skb_scrub_packet+0x490/0x490 [ 263.614802] ? lock_downgrade+0x900/0x900 [ 263.618946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.624482] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.629924] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.635626] ? addrconf_rs_timer+0x690/0x690 [ 263.640034] ndisc_alloc_skb+0x144/0x340 [ 263.644090] ndisc_send_rs+0x331/0x6e0 [ 263.647973] addrconf_rs_timer+0x314/0x690 [ 263.652205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.656438] call_timer_fn+0x272/0x920 [ 263.660328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.664554] ? process_timeout+0x40/0x40 [ 263.668614] ? trace_hardirqs_off+0xb8/0x310 [ 263.673648] ? kasan_check_read+0x11/0x20 [ 263.677787] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.682185] ? trace_hardirqs_on+0x310/0x310 [ 263.686584] ? __run_timers+0x7da/0xc70 [ 263.690547] ? lock_downgrade+0x900/0x900 [ 263.694691] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.699790] ? trace_hardirqs_on+0xbd/0x310 [ 263.704099] ? kasan_check_read+0x11/0x20 [ 263.708237] ? __run_timers+0x7da/0xc70 [ 263.712201] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.717642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.723170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.727392] __run_timers+0x7e5/0xc70 [ 263.731189] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.736546] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.741553] ? timerqueue_add+0x207/0x2b0 [ 263.745694] ? enqueue_hrtimer+0x1a5/0x560 [ 263.749916] ? lock_release+0x970/0x970 [ 263.753874] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.759063] ? kasan_check_write+0x14/0x20 [ 263.763298] ? pvclock_read_flags+0x160/0x160 [ 263.767783] ? lock_downgrade+0x900/0x900 [ 263.771927] ? trace_hardirqs_on+0xbd/0x310 [ 263.776243] ? kvm_sched_clock_read+0x9/0x20 [ 263.780800] ? irq_exit+0x17f/0x1c0 [ 263.784415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.789950] ? check_preemption_disabled+0x48/0x200 [ 263.794960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.800489] run_timer_softirq+0x52/0xb0 [ 263.804540] ? __this_cpu_preempt_check+0x1c/0x1f [ 263.809379] __do_softirq+0x30b/0xad8 [ 263.813177] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.818276] ? pvclock_read_flags+0x160/0x160 [ 263.822759] ? lapic_next_event+0x5a/0x90 [ 263.826994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.832525] ? clockevents_program_event+0x140/0x370 [ 263.837622] ? kvm_clock_read+0x18/0x30 [ 263.841586] ? kvm_sched_clock_read+0x9/0x20 [ 263.845986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.851515] ? check_preemption_disabled+0x48/0x200 [ 263.856525] irq_exit+0x17f/0x1c0 [ 263.859968] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.864799] ? smp_reschedule_interrupt+0x109/0x650 [ 263.869807] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.875681] ? interrupt_entry+0xb5/0xf0 [ 263.879732] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.885345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.890526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.895357] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.900362] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.905367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.910895] ? check_preemption_disabled+0x48/0x200 [ 263.915907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.920839] apic_timer_interrupt+0xf/0x20 [ 263.925055] [ 263.927288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 263.932211] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 263.951102] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.958805] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 263.966064] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 263.973325] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 263.980581] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 263.987845] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 263.995119] ? trace_hardirqs_on+0xb4/0x310 [ 263.999445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.004977] skb_clone+0x1bb/0x500 [ 264.008510] ? finish_task_switch+0x2f5/0x900 [ 264.012995] ? skb_split+0x11e0/0x11e0 [ 264.016877] ? preempt_notifier_register+0x200/0x200 [ 264.021969] ? __switch_to_asm+0x34/0x70 [ 264.026021] ? __switch_to_asm+0x34/0x70 [ 264.030068] ? __switch_to_asm+0x40/0x70 [ 264.034119] ? __switch_to_asm+0x34/0x70 [ 264.038169] ? __switch_to_asm+0x40/0x70 [ 264.042233] ? __switch_to_asm+0x34/0x70 [ 264.046321] ? __switch_to_asm+0x40/0x70 [ 264.050548] ? __switch_to_asm+0x34/0x70 [ 264.054612] ? __switch_to_asm+0x34/0x70 [ 264.059108] ? __switch_to_asm+0x40/0x70 [ 264.063161] ? __switch_to_asm+0x34/0x70 [ 264.067217] bpf_clone_redirect+0xb9/0x490 [ 264.071530] ? __schedule+0x874/0x1ed0 [ 264.075417] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 264.080345] ? __sched_text_start+0x8/0x8 [ 264.084489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.089237] ? retint_kernel+0x2d/0x2d [ 264.093120] ? lock_acquire+0x1ed/0x520 [ 264.097099] ? bpf_test_run+0x32e/0x5a0 [ 264.101068] ? lock_release+0x970/0x970 [ 264.105031] ? preempt_schedule+0x4d/0x60 [ 264.109661] ? preempt_schedule_common+0x1f/0xd0 [ 264.114416] ? preempt_schedule+0x4d/0x60 [ 264.118650] ? ___preempt_schedule+0x16/0x18 [ 264.123059] ? bpf_test_run+0x1c0/0x5a0 [ 264.127031] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.131439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.136970] ? bpf_test_init.isra.9+0x70/0x100 [ 264.141542] ? bpf_prog_test_run_skb+0x634/0xb40 [ 264.146292] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.151127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.156653] ? fput+0x130/0x1a0 [ 264.159926] ? __bpf_prog_get+0x9b/0x290 [ 264.163980] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.170028] ? bpf_prog_test_run+0x130/0x1a0 [ 264.176172] ? __x64_sys_bpf+0x3d8/0x510 [ 264.181526] ? bpf_prog_get+0x20/0x20 [ 264.185325] ? do_syscall_64+0x1b9/0x820 [ 264.189376] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.194741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.199663] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.204673] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.209681] ? recalc_sigpending_tsk+0x180/0x180 [ 264.214431] ? kasan_check_write+0x14/0x20 [ 264.218658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.223500] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.228863] warn_alloc_show_mem: 1 callbacks suppressed [ 264.228872] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 264.228874] Mem-Info: [ 264.228902] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 264.228902] active_file:16 inactive_file:17 isolated_file:0 [ 264.228902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.228902] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 264.228902] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 264.228902] free:13792 free_pcp:309 free_cma:0 [ 264.234229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.234236] Call Trace: [ 264.241073] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.243469] dump_stack+0x1c4/0x2b4 [ 264.276806] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.276828] lowmem_reserve[]: 0 2819 6323 6323 [ 264.276840] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 264.276859] lowmem_reserve[]: 0 0 3503 3503 [ 264.276870] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 264.276889] lowmem_reserve[]: 0 0 0 0 [ 264.276900] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB [ 264.288198] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.290742] 1*1024kB [ 264.320070] warn_alloc.cold.119+0xb7/0x1bd [ 264.323661] (U) [ 264.352079] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.357932] 1*2048kB [ 264.387558] ? lock_downgrade+0x900/0x900 [ 264.391855] (M) [ 264.421256] ? trace_hardirqs_off+0xb8/0x310 [ 264.425037] 3*4096kB [ 264.434405] ? trace_hardirqs_off+0xb8/0x310 [ 264.439563] (M) [ 264.441963] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.446250] = 15908kB [ 264.446257] Node 0 [ 264.448229] ? warn_alloc+0x120/0x120 [ 264.453627] DMA32: [ 264.456027] ? warn_alloc+0x120/0x120 [ 264.460142] 6*4kB [ 264.462103] ? warn_alloc+0x120/0x120 [ 264.466578] (UME) [ 264.468976] ? mark_held_locks+0x130/0x130 [ 264.476497] 2*8kB (UE) [ 264.478498] ? mark_held_locks+0x130/0x130 [ 264.483295] 4*16kB [ 264.485694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.487896] (UME) [ 264.492678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.494879] 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 264.494953] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 264.495005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.495011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.495014] 4986 total pagecache pages [ 264.495019] 0 pages in swap cache [ 264.495023] Swap cache stats: add 0, delete 0, find 0/0 [ 264.495026] Free swap = 0kB [ 264.495028] Total swap = 0kB [ 264.495032] 1965979 pages RAM [ 264.495035] 0 pages HighMem/MovableOnly [ 264.495037] 342307 pages reserved [ 264.495040] 0 pages cma reserved [ 264.495083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.495123] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.495126] syz-executor4 cpuset=syz4 mems_allowed=0 [ 264.637656] ? should_fail+0x22d/0xd01 [ 264.641541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.646633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.652625] ? should_fail+0x22d/0xd01 [ 264.656503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.661595] ? should_fail+0x22d/0xd01 [ 264.665481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.670579] ? mark_held_locks+0x130/0x130 [ 264.674809] ? mark_held_locks+0x130/0x130 [ 264.679032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.685378] ? trace_hardirqs_off+0xb8/0x310 [ 264.691001] ? kasan_check_read+0x11/0x20 [ 264.695143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.700014] ? trace_hardirqs_on+0x310/0x310 [ 264.704413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.713096] ? wq_watchdog_touch+0x9c/0xfe [ 264.717920] ? io_serial_in+0x11/0x90 [ 264.721709] ? retint_kernel+0x2d/0x2d [ 264.725606] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.730537] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.735298] ? trace_hardirqs_off+0x310/0x310 [ 264.739784] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.744888] __alloc_pages_nodemask+0xa80/0xde0 [ 264.749550] ? should_fail+0x22d/0xd01 [ 264.753429] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.758455] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.763114] ? lock_downgrade+0x900/0x900 [ 264.767259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.772792] cache_grow_begin+0x91/0x8c0 [ 264.776847] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.781257] fallback_alloc+0x203/0x2e0 [ 264.785223] ____cache_alloc_node+0x1c7/0x1e0 [ 264.790185] kmem_cache_alloc_node+0xe3/0x730 [ 264.794669] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.798904] __alloc_skb+0x119/0x770 [ 264.802607] ? skb_scrub_packet+0x490/0x490 [ 264.806917] ? lock_downgrade+0x900/0x900 [ 264.811061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.816586] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.822033] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.827472] ? addrconf_rs_timer+0x690/0x690 [ 264.831885] ndisc_alloc_skb+0x144/0x340 [ 264.835937] ndisc_send_rs+0x331/0x6e0 [ 264.839816] addrconf_rs_timer+0x314/0x690 [ 264.844038] ? lock_release+0x970/0x970 [ 264.849353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.855235] call_timer_fn+0x272/0x920 [ 264.860777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.865002] ? process_timeout+0x40/0x40 [ 264.869058] ? kasan_check_read+0x11/0x20 [ 264.873220] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.877621] ? trace_hardirqs_on+0x310/0x310 [ 264.882020] ? __run_timers+0x7da/0xc70 [ 264.885982] ? lock_downgrade+0x900/0x900 [ 264.890122] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.895694] ? trace_hardirqs_on+0xbd/0x310 [ 264.900002] ? kasan_check_read+0x11/0x20 [ 264.904138] ? __run_timers+0x7da/0xc70 [ 264.908103] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.913542] ? kasan_check_write+0x14/0x20 [ 264.917771] ? do_raw_spin_lock+0xc1/0x200 [ 264.922002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.926225] __run_timers+0x7e5/0xc70 [ 264.930030] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.935381] ? compat_start_thread+0x80/0x80 [ 264.940736] ? dequeue_entity+0x1770/0x1770 [ 264.945062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.950587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.956128] ? kasan_check_write+0x14/0x20 [ 264.960366] ? finish_task_switch+0x2f5/0x900 [ 264.964853] ? __switch_to_asm+0x40/0x70 [ 264.968909] ? preempt_notifier_register+0x200/0x200 [ 264.974008] ? __switch_to_asm+0x34/0x70 [ 264.978055] ? __switch_to_asm+0x40/0x70 [ 264.982104] ? __switch_to_asm+0x34/0x70 [ 264.986179] ? __switch_to_asm+0x40/0x70 [ 264.990228] ? __switch_to_asm+0x34/0x70 [ 264.994276] ? __switch_to_asm+0x40/0x70 [ 264.998337] ? pvclock_read_flags+0x160/0x160 [ 265.002825] ? __schedule+0x874/0x1ed0 [ 265.006722] ? run_rebalance_domains+0x38d/0x500 [ 265.011469] ? trace_hardirqs_on+0xbd/0x310 [ 265.015789] ? kvm_sched_clock_read+0x9/0x20 [ 265.020186] ? run_ksoftirqd+0x94/0x100 [ 265.024149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.029677] ? check_preemption_disabled+0x48/0x200 [ 265.034683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.040225] run_timer_softirq+0x52/0xb0 [ 265.044280] ? __this_cpu_preempt_check+0x1c/0x1f [ 265.049113] __do_softirq+0x30b/0xad8 [ 265.052911] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.058005] ? trace_hardirqs_off+0xb8/0x310 [ 265.062405] ? schedule+0x108/0x460 [ 265.066023] ? __schedule+0x1ed0/0x1ed0 [ 265.071038] ? run_ksoftirqd+0x99/0x100 [ 265.076306] ? trace_hardirqs_off+0xb8/0x310 [ 265.082196] ? ___might_sleep+0x1ed/0x300 [ 265.087202] ? smpboot_thread_fn+0x68b/0xa00 [ 265.092066] ? trace_hardirqs_on+0x310/0x310 [ 265.096464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.101990] ? check_preemption_disabled+0x48/0x200 [ 265.106993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.113122] ? takeover_tasklets+0xa90/0xa90 [ 265.117948] run_ksoftirqd+0x94/0x100 [ 265.121737] smpboot_thread_fn+0x68b/0xa00 [ 265.125962] ? sort_range+0x30/0x30 [ 265.129576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.134667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.140195] ? __kthread_parkme+0xfb/0x1a0 [ 265.144901] kthread+0x35a/0x420 [ 265.148270] ? sort_range+0x30/0x30 [ 265.151896] ? kthread_bind+0x40/0x40 [ 265.155691] ret_from_fork+0x3a/0x50 [ 265.159411] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 265.159472] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.166677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.166680] Call Trace: [ 265.166685] [ 265.166701] dump_stack+0x1c4/0x2b4 [ 265.166717] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.173327] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.182533] warn_alloc.cold.119+0xb7/0x1bd [ 265.185081] ksoftirqd/1 cpuset= [ 265.187219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.190813] / [ 265.195986] ? lock_downgrade+0x900/0x900 [ 265.206267] mems_allowed=0 [ 265.210578] ? trace_hardirqs_off+0xb8/0x310 [ 265.231799] ? trace_hardirqs_off+0xb8/0x310 [ 265.236203] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.241052] ? warn_alloc+0x120/0x120 [ 265.244844] ? warn_alloc+0x120/0x120 [ 265.248638] ? warn_alloc+0x120/0x120 [ 265.252427] ? lock_release+0x970/0x970 [ 265.256395] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.261577] ? trace_hardirqs_on+0x310/0x310 [ 265.265976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.271507] ? should_fail+0x22d/0xd01 [ 265.275397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.280598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.286140] ? should_fail+0x22d/0xd01 [ 265.290018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.295111] ? should_fail+0x22d/0xd01 [ 265.298992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.304089] ? mark_held_locks+0x130/0x130 [ 265.308322] ? mark_held_locks+0x130/0x130 [ 265.312553] ? kvm_clock_read+0x18/0x30 [ 265.316519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.321524] ? ktime_get+0x2e1/0x440 [ 265.325226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.330755] ? check_preemption_disabled+0x48/0x200 [ 265.335766] ? kasan_check_read+0x11/0x20 [ 265.339909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.345175] ? rcu_bh_qs+0xc0/0xc0 [ 265.348706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.354233] ? check_preemption_disabled+0x48/0x200 [ 265.359236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.364239] ? widen_string+0xe0/0x2e0 [ 265.368122] __alloc_pages_nodemask+0xa80/0xde0 [ 265.372781] ? should_fail+0x22d/0xd01 [ 265.376664] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.381698] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.386371] ? lock_downgrade+0x900/0x900 [ 265.390518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.396047] cache_grow_begin+0x91/0x8c0 [ 265.400098] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.404610] fallback_alloc+0x203/0x2e0 [ 265.408584] ____cache_alloc_node+0x1c7/0x1e0 [ 265.413071] kmem_cache_alloc_node+0xe3/0x730 [ 265.417551] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.421775] __alloc_skb+0x119/0x770 [ 265.425480] ? skb_scrub_packet+0x490/0x490 [ 265.429792] ? lock_downgrade+0x900/0x900 [ 265.433936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.439463] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.444904] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.453461] ? addrconf_rs_timer+0x690/0x690 [ 265.457886] ndisc_alloc_skb+0x144/0x340 [ 265.461942] ndisc_send_rs+0x331/0x6e0 [ 265.465823] addrconf_rs_timer+0x314/0x690 [ 265.470050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.474277] call_timer_fn+0x272/0x920 [ 265.478156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.482382] ? process_timeout+0x40/0x40 [ 265.486431] ? trace_hardirqs_off+0xb8/0x310 [ 265.490824] ? kasan_check_read+0x11/0x20 [ 265.494961] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.499373] ? trace_hardirqs_on+0x310/0x310 [ 265.503772] ? __run_timers+0x7da/0xc70 [ 265.507738] ? lock_downgrade+0x900/0x900 [ 265.513788] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.518882] ? trace_hardirqs_on+0xbd/0x310 [ 265.523187] ? kasan_check_read+0x11/0x20 [ 265.527328] ? __run_timers+0x7da/0xc70 [ 265.531300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.536744] ? kasan_check_write+0x14/0x20 [ 265.540969] ? do_raw_spin_lock+0xc1/0x200 [ 265.545211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.549434] __run_timers+0x7e5/0xc70 [ 265.553315] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.558671] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.563678] ? timerqueue_add+0x207/0x2b0 [ 265.567836] ? enqueue_hrtimer+0x1a5/0x560 [ 265.572065] ? lock_release+0x970/0x970 [ 265.576025] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.581204] ? kasan_check_write+0x14/0x20 [ 265.585437] ? pvclock_read_flags+0x160/0x160 [ 265.589918] ? lock_downgrade+0x900/0x900 [ 265.594060] ? trace_hardirqs_on+0xbd/0x310 [ 265.598371] ? kvm_sched_clock_read+0x9/0x20 [ 265.602769] ? irq_exit+0x17f/0x1c0 [ 265.606384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.611915] ? check_preemption_disabled+0x48/0x200 [ 265.616919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.622448] run_timer_softirq+0x52/0xb0 [ 265.626499] ? __this_cpu_preempt_check+0x1c/0x1f [ 265.631331] __do_softirq+0x30b/0xad8 [ 265.635136] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.640232] ? pvclock_read_flags+0x160/0x160 [ 265.644716] ? lapic_next_event+0x5a/0x90 [ 265.648853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.654380] ? clockevents_program_event+0x140/0x370 [ 265.659474] ? kvm_clock_read+0x18/0x30 [ 265.663438] ? kvm_sched_clock_read+0x9/0x20 [ 265.667847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.673374] ? check_preemption_disabled+0x48/0x200 [ 265.678387] irq_exit+0x17f/0x1c0 [ 265.681830] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.686949] ? smp_reschedule_interrupt+0x109/0x650 [ 265.693884] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.699931] ? interrupt_entry+0xb5/0xf0 [ 265.703981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.708984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.713993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.718829] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.723833] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.728841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.734366] ? check_preemption_disabled+0x48/0x200 [ 265.739376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.744210] apic_timer_interrupt+0xf/0x20 [ 265.748430] [ 265.751006] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.757324] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 265.776215] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.783912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 265.791169] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 265.798522] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 265.805797] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 265.813056] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 265.820330] ? trace_hardirqs_on+0xb4/0x310 [ 265.824648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.830199] skb_clone+0x1bb/0x500 [ 265.833731] ? finish_task_switch+0x2f5/0x900 [ 265.838212] ? skb_split+0x11e0/0x11e0 [ 265.842092] ? preempt_notifier_register+0x200/0x200 [ 265.847187] ? __switch_to_asm+0x34/0x70 [ 265.851234] ? __switch_to_asm+0x34/0x70 [ 265.855289] ? __switch_to_asm+0x40/0x70 [ 265.859947] ? __switch_to_asm+0x34/0x70 [ 265.865308] ? __switch_to_asm+0x40/0x70 [ 265.869420] ? __switch_to_asm+0x34/0x70 [ 265.873469] ? __switch_to_asm+0x40/0x70 [ 265.877534] ? __switch_to_asm+0x34/0x70 [ 265.881604] ? __switch_to_asm+0x34/0x70 [ 265.885665] ? __switch_to_asm+0x40/0x70 [ 265.889715] ? __switch_to_asm+0x34/0x70 [ 265.893771] bpf_clone_redirect+0xb9/0x490 [ 265.897996] ? __schedule+0x874/0x1ed0 [ 265.901879] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 265.906799] ? __sched_text_start+0x8/0x8 [ 265.911040] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.915793] ? retint_kernel+0x2d/0x2d [ 265.919676] ? lock_acquire+0x1ed/0x520 [ 265.923642] ? bpf_test_run+0x32e/0x5a0 [ 265.927610] ? lock_release+0x970/0x970 [ 265.931574] ? preempt_schedule+0x4d/0x60 [ 265.935714] ? preempt_schedule_common+0x1f/0xd0 [ 265.940462] ? preempt_schedule+0x4d/0x60 [ 265.944601] ? ___preempt_schedule+0x16/0x18 [ 265.949003] ? bpf_test_run+0x1c0/0x5a0 [ 265.952969] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.957368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.962894] ? bpf_test_init.isra.9+0x70/0x100 [ 265.967465] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.972215] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.977049] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.982575] ? fput+0x130/0x1a0 [ 265.985845] ? __bpf_prog_get+0x9b/0x290 [ 265.989895] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.994725] ? bpf_prog_test_run+0x130/0x1a0 [ 265.999123] ? __x64_sys_bpf+0x3d8/0x510 [ 266.003172] ? bpf_prog_get+0x20/0x20 [ 266.006971] ? do_syscall_64+0x1b9/0x820 [ 266.011020] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.016375] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.021300] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.026305] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.031310] ? recalc_sigpending_tsk+0x180/0x180 [ 266.036054] ? kasan_check_write+0x14/0x20 [ 266.040287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.045122] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.050480] warn_alloc_show_mem: 1 callbacks suppressed [ 266.050490] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 266.050491] Mem-Info: [ 266.050519] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 266.050519] active_file:16 inactive_file:17 isolated_file:0 [ 266.050519] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.050519] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 266.050519] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 266.050519] free:13792 free_pcp:309 free_cma:0 [ 266.055847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.055853] Call Trace: [ 266.062694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.065094] dump_stack+0x1c4/0x2b4 [ 266.098113] Node 0 [ 266.107465] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.111828] 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 [ 266.148796] ? isolate_lru_page+0x22e0/0x22e0 [ 266.152385] lowmem_reserve[]: [ 266.154606] warn_alloc.cold.119+0xb7/0x1bd [ 266.159782] 0 [ 266.186025] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.190488] 2819 [ 266.193582] ? lock_downgrade+0x900/0x900 [ 266.197868] 6323 [ 266.199659] ? trace_hardirqs_off+0xb8/0x310 [ 266.204466] 6323 [ 266.206517] ? trace_hardirqs_off+0xb8/0x310 [ 266.212682] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.217059] Node 0 [ 266.219117] ? mark_held_locks+0x130/0x130 [ 266.223506] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 266.228309] ? warn_alloc+0x120/0x120 [ 266.230512] lowmem_reserve[]: [ 266.234733] ? warn_alloc+0x120/0x120 [ 266.261667] 0 0 [ 266.265459] ? warn_alloc+0x120/0x120 [ 266.268541] 3503 [ 266.272322] ? cpuacct_charge+0x265/0x440 [ 266.274262] 3503 [ 266.278569] ? warn_alloc+0x120/0x120 [ 266.280596] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 266.280618] lowmem_reserve[]: 0 0 0 0 [ 266.280629] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 266.280677] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 266.280730] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) [ 266.284898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.286922] 0*128kB 0*256kB [ 266.290712] ? should_fail+0x22d/0xd01 [ 266.319657] 0*512kB 1*1024kB [ 266.323471] ? lock_downgrade+0x900/0x900 [ 266.336956] (H) [ 266.353177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.362325] 0*2048kB 0*4096kB [ 266.367852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.370854] = 14012kB [ 266.374725] ? should_fail+0x22d/0xd01 [ 266.377802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.381927] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.383878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.388960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.392121] 4986 total pagecache pages [ 266.397635] ? should_fail+0x22d/0xd01 [ 266.400014] 0 pages in swap cache [ 266.403884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.412697] Swap cache stats: add 0, delete 0, find 0/0 [ 266.418809] ? mark_held_locks+0x130/0x130 [ 266.427356] Free swap = 0kB [ 266.432437] ? kasan_check_write+0x14/0x20 [ 266.436303] Total swap = 0kB [ 266.440170] ? mark_held_locks+0x130/0x130 [ 266.446368] 1965979 pages RAM [ 266.454927] ? __account_cfs_rq_runtime+0x790/0x790 [ 266.454942] ? select_task_rq_fair+0x754/0x3500 [ 266.460289] 0 pages HighMem/MovableOnly [ 266.464504] ? lock_downgrade+0x900/0x900 [ 266.467488] 342307 pages reserved [ 266.471705] ? __cpu_to_node+0x7d/0xa0 [ 266.475256] 0 pages cma reserved [ 266.479471] ? account_entity_enqueue+0x3a3/0x660 [ 266.482591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.487545] ? __enqueue_entity+0x10d/0x1f0 [ 266.492781] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.499122] ? check_preemption_disabled+0x48/0x200 [ 266.503297] syz-executor4 cpuset=syz4 mems_allowed=0 [ 266.551488] __alloc_pages_nodemask+0xa80/0xde0 [ 266.556149] ? should_fail+0x22d/0xd01 [ 266.560027] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.565046] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.569706] ? lock_downgrade+0x900/0x900 [ 266.573855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.580389] cache_grow_begin+0x91/0x8c0 [ 266.584441] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.588839] fallback_alloc+0x203/0x2e0 [ 266.592807] ____cache_alloc_node+0x1c7/0x1e0 [ 266.597293] kmem_cache_alloc_node+0xe3/0x730 [ 266.601780] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.606010] __alloc_skb+0x119/0x770 [ 266.609720] ? skb_scrub_packet+0x490/0x490 [ 266.614031] ? lock_downgrade+0x900/0x900 [ 266.618173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.623705] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.629763] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.637018] ? addrconf_rs_timer+0x690/0x690 [ 266.641426] ndisc_alloc_skb+0x144/0x340 [ 266.645483] ndisc_send_rs+0x331/0x6e0 [ 266.649363] addrconf_rs_timer+0x314/0x690 [ 266.653586] ? lock_release+0x970/0x970 [ 266.657555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.661787] call_timer_fn+0x272/0x920 [ 266.665664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.669890] ? process_timeout+0x40/0x40 [ 266.673943] ? kasan_check_read+0x11/0x20 [ 266.678079] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.682478] ? trace_hardirqs_on+0x310/0x310 [ 266.686878] ? __run_timers+0x7da/0xc70 [ 266.691715] ? lock_downgrade+0x900/0x900 [ 266.697110] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.704637] ? trace_hardirqs_on+0xbd/0x310 [ 266.710598] ? kasan_check_read+0x11/0x20 [ 266.716140] ? __run_timers+0x7da/0xc70 [ 266.720106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.725550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.731082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.735799] __run_timers+0x7e5/0xc70 [ 266.739596] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.745430] ? compat_start_thread+0x80/0x80 [ 266.749851] ? dequeue_entity+0x1770/0x1770 [ 266.754165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.760196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.765729] ? kasan_check_write+0x14/0x20 [ 266.769954] ? finish_task_switch+0x2f5/0x900 [ 266.774444] ? __switch_to_asm+0x40/0x70 [ 266.778497] ? preempt_notifier_register+0x200/0x200 [ 266.783590] ? __switch_to_asm+0x34/0x70 [ 266.787641] ? __switch_to_asm+0x40/0x70 [ 266.791690] ? __switch_to_asm+0x34/0x70 [ 266.795744] ? __switch_to_asm+0x40/0x70 [ 266.799791] ? __switch_to_asm+0x34/0x70 [ 266.803843] ? __switch_to_asm+0x40/0x70 [ 266.807899] ? pvclock_read_flags+0x160/0x160 [ 266.812404] ? __schedule+0x874/0x1ed0 [ 266.816302] ? run_rebalance_domains+0x38d/0x500 [ 266.821404] ? trace_hardirqs_on+0xbd/0x310 [ 266.825721] ? kvm_sched_clock_read+0x9/0x20 [ 266.830142] ? run_ksoftirqd+0x94/0x100 [ 266.834614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.840147] ? check_preemption_disabled+0x48/0x200 [ 266.845163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.850713] run_timer_softirq+0x52/0xb0 [ 266.854770] ? __this_cpu_preempt_check+0x1c/0x1f [ 266.859610] __do_softirq+0x30b/0xad8 [ 266.863412] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.868513] ? trace_hardirqs_off+0xb8/0x310 [ 266.872920] ? schedule+0x108/0x460 [ 266.876566] ? __schedule+0x1ed0/0x1ed0 [ 266.880554] ? run_ksoftirqd+0x99/0x100 [ 266.884534] ? trace_hardirqs_off+0xb8/0x310 [ 266.888934] ? ___might_sleep+0x1ed/0x300 [ 266.893526] ? smpboot_thread_fn+0x68b/0xa00 [ 266.897928] ? trace_hardirqs_on+0x310/0x310 [ 266.902332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.908356] ? check_preemption_disabled+0x48/0x200 [ 266.913876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.920560] ? takeover_tasklets+0xa90/0xa90 [ 266.924966] run_ksoftirqd+0x94/0x100 [ 266.928781] smpboot_thread_fn+0x68b/0xa00 [ 266.933050] ? sort_range+0x30/0x30 [ 266.937194] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.942294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.947833] ? __kthread_parkme+0xfb/0x1a0 [ 266.952062] kthread+0x35a/0x420 [ 266.955421] ? sort_range+0x30/0x30 [ 266.959038] ? kthread_bind+0x40/0x40 [ 266.963725] ret_from_fork+0x3a/0x50 [ 266.968206] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 266.968251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.975474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.975478] Call Trace: [ 266.975483] [ 266.975501] dump_stack+0x1c4/0x2b4 [ 266.975518] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.982041] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.991333] warn_alloc.cold.119+0xb7/0x1bd [ 266.993889] ksoftirqd/1 cpuset= [ 266.996026] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.999618] / [ 267.004794] ? lock_downgrade+0x900/0x900 [ 267.015073] mems_allowed=0 [ 267.036224] ? trace_hardirqs_off+0xb8/0x310 [ 267.040630] ? trace_hardirqs_off+0xb8/0x310 [ 267.045040] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.049906] ? warn_alloc+0x120/0x120 [ 267.053702] ? trace_hardirqs_on+0x310/0x310 [ 267.058100] ? warn_alloc+0x120/0x120 [ 267.061903] ? warn_alloc+0x120/0x120 [ 267.065695] ? ktime_get+0x2e1/0x440 [ 267.069400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.074928] ? check_preemption_disabled+0x48/0x200 [ 267.079931] ? kasan_check_read+0x11/0x20 [ 267.084068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.089594] ? should_fail+0x22d/0xd01 [ 267.093470] ? rcu_bh_qs+0xc0/0xc0 [ 267.097000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.102094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.107636] ? should_fail+0x22d/0xd01 [ 267.111515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.116605] ? should_fail+0x22d/0xd01 [ 267.120488] ? rcu_idle_enter+0x4b0/0x4b0 [ 267.124628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.129724] ? mark_held_locks+0x130/0x130 [ 267.133948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.139477] ? mark_held_locks+0x130/0x130 [ 267.143811] ? rcu_irq_exit+0xce/0x100 [ 267.147701] ? irq_exit+0xbd/0x1c0 [ 267.151247] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 267.156511] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.160928] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.166802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.172326] ? ret_from_intr+0xb/0x1e [ 267.176115] ? retint_kernel+0x2d/0x2d [ 267.180025] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.184945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.189692] ? trace_hardirqs_off+0x310/0x310 [ 267.194183] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.199279] __alloc_pages_nodemask+0xa80/0xde0 [ 267.203937] ? should_fail+0x22d/0xd01 [ 267.207824] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.212841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.217499] ? lock_downgrade+0x900/0x900 [ 267.221642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.227198] cache_grow_begin+0x91/0x8c0 [ 267.231249] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.235650] fallback_alloc+0x203/0x2e0 [ 267.239623] ____cache_alloc_node+0x1c7/0x1e0 [ 267.244114] kmem_cache_alloc_node+0xe3/0x730 [ 267.248605] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.252836] __alloc_skb+0x119/0x770 [ 267.256542] ? skb_scrub_packet+0x490/0x490 [ 267.260850] ? lock_downgrade+0x900/0x900 [ 267.264989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.270521] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.275975] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.281415] ? addrconf_rs_timer+0x690/0x690 [ 267.285819] ndisc_alloc_skb+0x144/0x340 [ 267.289870] ndisc_send_rs+0x331/0x6e0 [ 267.293749] addrconf_rs_timer+0x314/0x690 [ 267.297976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.302210] call_timer_fn+0x272/0x920 [ 267.306088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.310314] ? process_timeout+0x40/0x40 [ 267.314365] ? trace_hardirqs_off+0xb8/0x310 [ 267.318759] ? kasan_check_read+0x11/0x20 [ 267.322895] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.327292] ? trace_hardirqs_on+0x310/0x310 [ 267.331690] ? __run_timers+0x7da/0xc70 [ 267.335658] ? lock_downgrade+0x900/0x900 [ 267.339814] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.344906] ? trace_hardirqs_on+0xbd/0x310 [ 267.349214] ? kasan_check_read+0x11/0x20 [ 267.353351] ? __run_timers+0x7da/0xc70 [ 267.358010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.365690] ? kasan_check_write+0x14/0x20 [ 267.371545] ? do_raw_spin_lock+0xc1/0x200 [ 267.376036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.380258] __run_timers+0x7e5/0xc70 [ 267.384058] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.389413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.394505] ? timerqueue_add+0x207/0x2b0 [ 267.398648] ? enqueue_hrtimer+0x1a5/0x560 [ 267.403216] ? lock_release+0x970/0x970 [ 267.407178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.412363] ? kasan_check_write+0x14/0x20 [ 267.416590] ? pvclock_read_flags+0x160/0x160 [ 267.421085] ? lock_downgrade+0x900/0x900 [ 267.425225] ? trace_hardirqs_on+0xbd/0x310 [ 267.429548] ? kvm_sched_clock_read+0x9/0x20 [ 267.433948] ? irq_exit+0x17f/0x1c0 [ 267.437574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.443103] ? check_preemption_disabled+0x48/0x200 [ 267.448116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.454811] run_timer_softirq+0x52/0xb0 [ 267.458870] ? __this_cpu_preempt_check+0x1c/0x1f [ 267.463709] __do_softirq+0x30b/0xad8 [ 267.467509] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.472606] ? pvclock_read_flags+0x160/0x160 [ 267.478791] ? lapic_next_event+0x5a/0x90 [ 267.482931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.488461] ? clockevents_program_event+0x140/0x370 [ 267.494413] ? kvm_clock_read+0x18/0x30 [ 267.498376] ? kvm_sched_clock_read+0x9/0x20 [ 267.502774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.508974] ? check_preemption_disabled+0x48/0x200 [ 267.513984] irq_exit+0x17f/0x1c0 [ 267.517430] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.522512] ? smp_reschedule_interrupt+0x109/0x650 [ 267.527532] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.533403] ? interrupt_entry+0xb5/0xf0 [ 267.537457] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.542630] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.547637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.552472] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.557476] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.562482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.568012] ? check_preemption_disabled+0x48/0x200 [ 267.573025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.577860] apic_timer_interrupt+0xf/0x20 [ 267.582079] [ 267.584315] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 267.589235] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 267.608143] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.617488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 267.627089] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 267.635493] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 267.642754] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 267.650013] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 267.657295] ? trace_hardirqs_on+0xb4/0x310 [ 267.661613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.667157] skb_clone+0x1bb/0x500 [ 267.670686] ? finish_task_switch+0x2f5/0x900 [ 267.675172] ? skb_split+0x11e0/0x11e0 [ 267.679048] ? preempt_notifier_register+0x200/0x200 [ 267.684161] ? __switch_to_asm+0x34/0x70 [ 267.688226] ? __switch_to_asm+0x34/0x70 [ 267.692278] ? __switch_to_asm+0x40/0x70 [ 267.696325] ? __switch_to_asm+0x34/0x70 [ 267.701515] ? __switch_to_asm+0x40/0x70 [ 267.705837] ? __switch_to_asm+0x34/0x70 [ 267.709884] ? __switch_to_asm+0x40/0x70 [ 267.713932] ? __switch_to_asm+0x34/0x70 [ 267.717985] ? __switch_to_asm+0x34/0x70 [ 267.722035] ? __switch_to_asm+0x40/0x70 [ 267.726085] ? __switch_to_asm+0x34/0x70 [ 267.730153] bpf_clone_redirect+0xb9/0x490 [ 267.734386] ? __schedule+0x874/0x1ed0 [ 267.738408] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 267.743351] ? __sched_text_start+0x8/0x8 [ 267.747508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.752259] ? retint_kernel+0x2d/0x2d [ 267.756144] ? lock_acquire+0x1ed/0x520 [ 267.760110] ? bpf_test_run+0x32e/0x5a0 [ 267.764078] ? lock_release+0x970/0x970 [ 267.768046] ? preempt_schedule+0x4d/0x60 [ 267.772183] ? preempt_schedule_common+0x1f/0xd0 [ 267.776930] ? preempt_schedule+0x4d/0x60 [ 267.781067] ? ___preempt_schedule+0x16/0x18 [ 267.785473] ? bpf_test_run+0x1c0/0x5a0 [ 267.789444] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.793843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.799367] ? bpf_test_init.isra.9+0x70/0x100 [ 267.803938] ? bpf_prog_test_run_skb+0x634/0xb40 [ 267.808690] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.813519] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.819041] ? fput+0x130/0x1a0 [ 267.822322] ? __bpf_prog_get+0x9b/0x290 [ 267.826370] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.831201] ? bpf_prog_test_run+0x130/0x1a0 [ 267.835600] ? __x64_sys_bpf+0x3d8/0x510 [ 267.839653] ? bpf_prog_get+0x20/0x20 [ 267.843454] ? do_syscall_64+0x1b9/0x820 [ 267.847958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.855384] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.860307] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.865325] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 267.870335] ? recalc_sigpending_tsk+0x180/0x180 [ 267.875108] ? kasan_check_write+0x14/0x20 [ 267.879342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.884175] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.889539] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 267.889543] warn_alloc_show_mem: 1 callbacks suppressed [ 267.889549] Mem-Info: [ 267.896372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.896379] Call Trace: [ 267.901741] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 267.901741] active_file:16 inactive_file:17 isolated_file:0 [ 267.901741] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.901741] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 267.901741] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 267.901741] free:13792 free_pcp:309 free_cma:0 [ 267.904117] dump_stack+0x1c4/0x2b4 [ 267.913463] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.916540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.949558] Node 0 [ 267.953170] ? isolate_lru_page+0x22e0/0x22e0 [ 267.981145] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 267.986306] warn_alloc.cold.119+0xb7/0x1bd [ 267.988505] lowmem_reserve[]: [ 267.992984] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.018457] 0 [ 268.022764] ? lock_downgrade+0x900/0x900 [ 268.025833] 2819 6323 [ 268.030664] ? trace_hardirqs_off+0xb8/0x310 [ 268.032435] 6323 [ 268.036567] ? trace_hardirqs_off+0xb8/0x310 [ 268.043459] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.045490] Node 0 [ 268.049889] ? mark_held_locks+0x130/0x130 [ 268.054716] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 268.056921] ? warn_alloc+0x120/0x120 [ 268.062517] lowmem_reserve[]: 0 [ 268.090006] ? warn_alloc+0x120/0x120 [ 268.093792] 0 [ 268.097052] ? warn_alloc+0x120/0x120 [ 268.100829] 3503 [ 268.102637] ? mark_held_locks+0x130/0x130 [ 268.106406] 3503 [ 268.108456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.115186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.120684] Node 0 [ 268.126205] ? should_fail+0x22d/0xd01 [ 268.126228] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 268.126234] lowmem_reserve[]: [ 268.128457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.132311] 0 [ 268.161759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.164841] 0 [ 268.169935] ? should_fail+0x22d/0xd01 [ 268.171705] 0 [ 268.177922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.179690] 0 [ 268.183569] ? should_fail+0x22d/0xd01 [ 268.190426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.192487] Node 0 [ 268.197421] ? mark_held_locks+0x130/0x130 [ 268.204386] DMA: 1*4kB [ 268.206788] ? mark_held_locks+0x130/0x130 [ 268.212029] (U) [ 268.215465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.220025] 0*8kB [ 268.221985] ? trace_hardirqs_off+0xb8/0x310 [ 268.227495] 0*16kB 1*32kB [ 268.229638] ? kasan_check_read+0x11/0x20 [ 268.234012] (U) [ 268.236842] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.240952] 2*64kB (U) [ 268.243618] ? trace_hardirqs_on+0x310/0x310 [ 268.248003] 1*128kB (U) [ 268.250585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.254955] 1*256kB [ 268.257609] ? wq_watchdog_touch+0x9c/0xfe [ 268.263112] (U) [ 268.265421] ? io_serial_in+0x11/0x90 [ 268.269624] 0*512kB [ 268.271587] ? retint_kernel+0x2d/0x2d [ 268.275349] 1*1024kB [ 268.278130] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.281986] (U) [ 268.284379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.289272] 1*2048kB [ 268.291254] ? trace_hardirqs_off+0x310/0x310 [ 268.295977] (M) [ 268.298374] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.302835] 3*4096kB [ 268.304799] __alloc_pages_nodemask+0xa80/0xde0 [ 268.309864] (M) [ 268.312259] ? should_fail+0x22d/0xd01 [ 268.316895] = 15908kB [ 268.318855] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.322710] Node 0 [ 268.325114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.330190] DMA32: [ 268.332415] ? lock_downgrade+0x900/0x900 [ 268.337056] 6*4kB [ 268.339752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.343892] (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 268.343961] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 268.344032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.344038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.344041] 4986 total pagecache pages [ 268.344053] 0 pages in swap cache [ 268.344059] Swap cache stats: add 0, delete 0, find 0/0 [ 268.344066] Free swap = 0kB [ 268.346206] cache_grow_begin+0x91/0x8c0 [ 268.351709] Total swap = 0kB [ 268.366448] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.381155] 1965979 pages RAM [ 268.389975] fallback_alloc+0x203/0x2e0 [ 268.398532] 0 pages HighMem/MovableOnly [ 268.398539] 342307 pages reserved [ 268.402417] ____cache_alloc_node+0x1c7/0x1e0 [ 268.405830] 0 pages cma reserved [ 268.405885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.411184] kmem_cache_alloc_node+0xe3/0x730 [ 268.411197] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.411213] __alloc_skb+0x119/0x770 [ 268.414246] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.418263] ? skb_scrub_packet+0x490/0x490 [ 268.421252] syz-executor4 cpuset= [ 268.425646] ? lock_downgrade+0x900/0x900 [ 268.428721] syz4 [ 268.432691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.436633] mems_allowed=0 [ 268.440079] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.509994] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.515966] ? addrconf_rs_timer+0x690/0x690 [ 268.520371] ndisc_alloc_skb+0x144/0x340 [ 268.524429] ndisc_send_rs+0x331/0x6e0 [ 268.528308] addrconf_rs_timer+0x314/0x690 [ 268.532993] ? lock_release+0x970/0x970 [ 268.536959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.541189] call_timer_fn+0x272/0x920 [ 268.546578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.555912] ? process_timeout+0x40/0x40 [ 268.560589] ? kasan_check_read+0x11/0x20 [ 268.564728] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.569127] ? trace_hardirqs_on+0x310/0x310 [ 268.573524] ? __run_timers+0x7da/0xc70 [ 268.578130] ? lock_downgrade+0x900/0x900 [ 268.582366] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.587901] ? trace_hardirqs_on+0xbd/0x310 [ 268.592209] ? kasan_check_read+0x11/0x20 [ 268.596814] ? __run_timers+0x7da/0xc70 [ 268.601452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.607373] ? kasan_check_write+0x14/0x20 [ 268.611596] ? do_raw_spin_lock+0xc1/0x200 [ 268.615829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.620054] __run_timers+0x7e5/0xc70 [ 268.623851] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.629210] ? compat_start_thread+0x80/0x80 [ 268.633604] ? dequeue_entity+0x1770/0x1770 [ 268.637918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.643456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.649084] ? kasan_check_write+0x14/0x20 [ 268.653325] ? finish_task_switch+0x2f5/0x900 [ 268.659058] ? __switch_to_asm+0x40/0x70 [ 268.663547] ? preempt_notifier_register+0x200/0x200 [ 268.668637] ? __switch_to_asm+0x34/0x70 [ 268.672685] ? __switch_to_asm+0x40/0x70 [ 268.676749] ? __switch_to_asm+0x34/0x70 [ 268.681233] ? __switch_to_asm+0x40/0x70 [ 268.685280] ? __switch_to_asm+0x34/0x70 [ 268.689328] ? __switch_to_asm+0x40/0x70 [ 268.693395] ? pvclock_read_flags+0x160/0x160 [ 268.697882] ? __schedule+0x874/0x1ed0 [ 268.702584] ? run_rebalance_domains+0x38d/0x500 [ 268.707334] ? trace_hardirqs_on+0xbd/0x310 [ 268.711656] ? kvm_sched_clock_read+0x9/0x20 [ 268.716058] ? run_ksoftirqd+0x94/0x100 [ 268.720031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.725563] ? check_preemption_disabled+0x48/0x200 [ 268.730569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.736102] run_timer_softirq+0x52/0xb0 [ 268.740153] ? __this_cpu_preempt_check+0x1c/0x1f [ 268.745497] __do_softirq+0x30b/0xad8 [ 268.749292] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.754383] ? trace_hardirqs_off+0xb8/0x310 [ 268.758783] ? schedule+0x108/0x460 [ 268.762404] ? __schedule+0x1ed0/0x1ed0 [ 268.766368] ? run_ksoftirqd+0x99/0x100 [ 268.771550] ? trace_hardirqs_off+0xb8/0x310 [ 268.777027] ? ___might_sleep+0x1ed/0x300 [ 268.781614] ? smpboot_thread_fn+0x68b/0xa00 [ 268.786019] ? trace_hardirqs_on+0x310/0x310 [ 268.790881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.796417] ? check_preemption_disabled+0x48/0x200 [ 268.801420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.807399] ? takeover_tasklets+0xa90/0xa90 [ 268.811797] run_ksoftirqd+0x94/0x100 [ 268.815586] smpboot_thread_fn+0x68b/0xa00 [ 268.819812] ? sort_range+0x30/0x30 [ 268.823430] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.828520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.834052] ? __kthread_parkme+0xfb/0x1a0 [ 268.838279] kthread+0x35a/0x420 [ 268.841633] ? sort_range+0x30/0x30 [ 268.845250] ? kthread_bind+0x40/0x40 [ 268.849057] ret_from_fork+0x3a/0x50 [ 268.852769] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 268.852816] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.860041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.866576] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.875851] Call Trace: [ 268.886596] ksoftirqd/1 cpuset= [ 268.889160] [ 268.889162] / mems_allowed=0 [ 268.892434] dump_stack+0x1c4/0x2b4 [ 268.901159] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.906343] warn_alloc.cold.119+0xb7/0x1bd [ 268.910655] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.915492] ? lock_downgrade+0x900/0x900 [ 268.919635] ? trace_hardirqs_off+0xb8/0x310 [ 268.924123] ? trace_hardirqs_off+0xb8/0x310 [ 268.928527] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.933545] ? warn_alloc+0x120/0x120 [ 268.937339] ? warn_alloc+0x120/0x120 [ 268.941131] ? warn_alloc+0x120/0x120 [ 268.944921] ? mark_held_locks+0x130/0x130 [ 268.949151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.954680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.960209] ? should_fail+0x22d/0xd01 [ 268.964093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.969186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.974710] ? should_fail+0x22d/0xd01 [ 268.978592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.983685] ? should_fail+0x22d/0xd01 [ 268.987836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.992930] ? mark_held_locks+0x130/0x130 [ 268.997149] ? mark_held_locks+0x130/0x130 [ 269.001370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.006900] ? trace_hardirqs_off+0xb8/0x310 [ 269.011295] ? kasan_check_read+0x11/0x20 [ 269.015438] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.019839] ? trace_hardirqs_on+0x310/0x310 [ 269.024239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.029784] ? wq_watchdog_touch+0x9c/0xfe [ 269.034019] ? io_serial_in+0x11/0x90 [ 269.037810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.043340] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.048436] __alloc_pages_nodemask+0xa80/0xde0 [ 269.053093] ? should_fail+0x22d/0xd01 [ 269.056970] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.062005] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.066671] ? lock_downgrade+0x900/0x900 [ 269.070815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.076343] cache_grow_begin+0x91/0x8c0 [ 269.080399] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.084796] fallback_alloc+0x203/0x2e0 [ 269.088764] ____cache_alloc_node+0x1c7/0x1e0 [ 269.093252] kmem_cache_alloc_node+0xe3/0x730 [ 269.097737] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.101968] __alloc_skb+0x119/0x770 [ 269.105683] ? skb_scrub_packet+0x490/0x490 [ 269.110001] ? lock_downgrade+0x900/0x900 [ 269.114148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.119676] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.125120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.130560] ? addrconf_rs_timer+0x690/0x690 [ 269.134966] ndisc_alloc_skb+0x144/0x340 [ 269.139029] ndisc_send_rs+0x331/0x6e0 [ 269.142907] addrconf_rs_timer+0x314/0x690 [ 269.147136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.151370] call_timer_fn+0x272/0x920 [ 269.155245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.159556] ? process_timeout+0x40/0x40 [ 269.163605] ? trace_hardirqs_off+0xb8/0x310 [ 269.168008] ? kasan_check_read+0x11/0x20 [ 269.172172] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.176571] ? trace_hardirqs_on+0x310/0x310 [ 269.180996] ? __run_timers+0x7da/0xc70 [ 269.185057] ? lock_downgrade+0x900/0x900 [ 269.189199] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.194297] ? trace_hardirqs_on+0xbd/0x310 [ 269.199386] ? kasan_check_read+0x11/0x20 [ 269.204913] ? __run_timers+0x7da/0xc70 [ 269.210383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.216777] ? kasan_check_write+0x14/0x20 [ 269.222736] ? do_raw_spin_lock+0xc1/0x200 [ 269.228336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.233518] __run_timers+0x7e5/0xc70 [ 269.237313] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.242665] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.247687] ? timerqueue_add+0x207/0x2b0 [ 269.252693] ? enqueue_hrtimer+0x1a5/0x560 [ 269.257960] ? lock_release+0x970/0x970 [ 269.261936] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.267116] ? kasan_check_write+0x14/0x20 [ 269.271346] ? pvclock_read_flags+0x160/0x160 [ 269.275832] ? lock_downgrade+0x900/0x900 [ 269.279980] ? trace_hardirqs_on+0xbd/0x310 [ 269.284307] ? kvm_sched_clock_read+0x9/0x20 [ 269.288705] ? irq_exit+0x17f/0x1c0 [ 269.292324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.297850] ? check_preemption_disabled+0x48/0x200 [ 269.302855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.308383] run_timer_softirq+0x52/0xb0 [ 269.312577] ? __this_cpu_preempt_check+0x1c/0x1f [ 269.317413] __do_softirq+0x30b/0xad8 [ 269.321220] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.326313] ? pvclock_read_flags+0x160/0x160 [ 269.330796] ? lapic_next_event+0x5a/0x90 [ 269.334933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.340467] ? clockevents_program_event+0x140/0x370 [ 269.345562] ? kvm_clock_read+0x18/0x30 [ 269.349528] ? kvm_sched_clock_read+0x9/0x20 [ 269.353927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.359455] ? check_preemption_disabled+0x48/0x200 [ 269.364482] irq_exit+0x17f/0x1c0 [ 269.367925] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.372759] ? smp_reschedule_interrupt+0x109/0x650 [ 269.377762] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.383636] ? interrupt_entry+0xb5/0xf0 [ 269.387691] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.392696] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.397706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.402538] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.407540] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.412555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.418083] ? check_preemption_disabled+0x48/0x200 [ 269.423176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.428010] apic_timer_interrupt+0xf/0x20 [ 269.432239] [ 269.434465] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 269.439391] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 269.458901] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.466602] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 269.475222] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 269.482481] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 269.490009] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 269.497267] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 269.505506] ? trace_hardirqs_on+0xb4/0x310 [ 269.509828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.515361] skb_clone+0x1bb/0x500 [ 269.518892] ? finish_task_switch+0x2f5/0x900 [ 269.524283] ? skb_split+0x11e0/0x11e0 [ 269.528159] ? preempt_notifier_register+0x200/0x200 [ 269.533248] ? __switch_to_asm+0x34/0x70 [ 269.537306] ? __switch_to_asm+0x34/0x70 [ 269.541358] ? __switch_to_asm+0x40/0x70 [ 269.545419] ? __switch_to_asm+0x34/0x70 [ 269.549470] ? __switch_to_asm+0x40/0x70 [ 269.553522] ? __switch_to_asm+0x34/0x70 [ 269.557570] ? __switch_to_asm+0x40/0x70 [ 269.561618] ? __switch_to_asm+0x34/0x70 [ 269.565684] ? __switch_to_asm+0x34/0x70 [ 269.569737] ? __switch_to_asm+0x40/0x70 [ 269.573783] ? __switch_to_asm+0x34/0x70 [ 269.577839] bpf_clone_redirect+0xb9/0x490 [ 269.582068] ? __schedule+0x874/0x1ed0 [ 269.585958] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 269.590884] ? __sched_text_start+0x8/0x8 [ 269.595135] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.599878] ? retint_kernel+0x2d/0x2d [ 269.603754] ? lock_acquire+0x1ed/0x520 [ 269.607719] ? bpf_test_run+0x32e/0x5a0 [ 269.611689] ? lock_release+0x970/0x970 [ 269.615650] ? preempt_schedule+0x4d/0x60 [ 269.619788] ? preempt_schedule_common+0x1f/0xd0 [ 269.624533] ? preempt_schedule+0x4d/0x60 [ 269.628669] ? ___preempt_schedule+0x16/0x18 [ 269.633069] ? bpf_test_run+0x1c0/0x5a0 [ 269.637038] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.641436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.647137] ? bpf_test_init.isra.9+0x70/0x100 [ 269.651711] ? bpf_prog_test_run_skb+0x634/0xb40 [ 269.656457] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.661292] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.666819] ? fput+0x130/0x1a0 [ 269.670086] ? __bpf_prog_get+0x9b/0x290 [ 269.674137] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.678971] ? bpf_prog_test_run+0x130/0x1a0 [ 269.683378] ? __x64_sys_bpf+0x3d8/0x510 [ 269.687449] ? bpf_prog_get+0x20/0x20 [ 269.691439] ? do_syscall_64+0x1b9/0x820 [ 269.695519] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.700873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.705793] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.710800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.715807] ? recalc_sigpending_tsk+0x180/0x180 [ 269.720563] ? kasan_check_write+0x14/0x20 [ 269.724789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.729627] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.734985] warn_alloc_show_mem: 1 callbacks suppressed [ 269.734994] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 269.734996] Mem-Info: [ 269.735024] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 269.735024] active_file:16 inactive_file:17 isolated_file:0 [ 269.735024] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.735024] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 269.735024] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 269.735024] free:13792 free_pcp:309 free_cma:0 [ 269.740357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.747206] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.749593] Call Trace: [ 269.782629] Node 0 [ 269.791984] dump_stack+0x1c4/0x2b4 [ 269.819819] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 269.822373] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.824577] lowmem_reserve[]: [ 269.828190] ? isolate_lru_page+0x22e0/0x22e0 [ 269.853668] 0 [ 269.858843] warn_alloc.cold.119+0xb7/0x1bd [ 269.862116] 2819 6323 [ 269.868312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.870084] 6323 [ 269.874388] ? lock_downgrade+0x900/0x900 [ 269.881689] ? trace_hardirqs_off+0xb8/0x310 [ 269.883720] Node 0 [ 269.887854] ? trace_hardirqs_off+0xb8/0x310 [ 269.892251] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 269.894457] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.898827] lowmem_reserve[]: 0 [ 269.926382] ? mark_held_locks+0x130/0x130 [ 269.931188] 0 [ 269.934453] ? warn_alloc+0x120/0x120 [ 269.938655] 3503 [ 269.940449] ? warn_alloc+0x120/0x120 [ 269.944214] 3503 [ 269.946262] ? warn_alloc+0x120/0x120 [ 269.952073] ? mark_held_locks+0x130/0x130 [ 269.955840] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 269.960079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.960095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.989344] lowmem_reserve[]: [ 269.995358] ? should_fail+0x22d/0xd01 [ 270.000872] 0 0 [ 270.003972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.007819] 0 0 [ 270.009783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.009798] ? should_fail+0x22d/0xd01 [ 270.016827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.022332] Node 0 [ 270.026204] ? should_fail+0x22d/0xd01 [ 270.031273] DMA: 1*4kB [ 270.033503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.037359] (U) [ 270.039933] ? mark_held_locks+0x130/0x130 [ 270.045009] 0*8kB [ 270.046989] ? mark_held_locks+0x130/0x130 [ 270.051190] 0*16kB 1*32kB [ 270.053333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.057533] (U) [ 270.060361] ? trace_hardirqs_off+0xb8/0x310 [ 270.065876] 2*64kB [ 270.067835] ? kasan_check_read+0x11/0x20 [ 270.072211] (U) [ 270.074438] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.078547] 1*128kB [ 270.080508] ? trace_hardirqs_on+0x310/0x310 [ 270.084883] (U) [ 270.087199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.091580] 1*256kB (U) [ 270.093543] ? wq_watchdog_touch+0x9c/0xfe [ 270.099049] 0*512kB [ 270.101702] ? io_serial_in+0x11/0x90 [ 270.105909] 1*1024kB [ 270.108218] ? retint_kernel+0x2d/0x2d [ 270.112429] (U) 1*2048kB [ 270.114859] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.118707] (M) [ 270.121448] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.126337] 3*4096kB (M) [ 270.128306] ? trace_hardirqs_off+0x310/0x310 [ 270.133039] = 15908kB [ 270.133047] Node 0 [ 270.135792] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.140256] DMA32: [ 270.142655] __alloc_pages_nodemask+0xa80/0xde0 [ 270.144857] 6*4kB [ 270.149944] ? should_fail+0x22d/0xd01 [ 270.152149] (UME) [ 270.156799] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.158940] 2*8kB [ 270.162818] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.164933] (UE) [ 270.169952] ? lock_downgrade+0x900/0x900 [ 270.172069] 4*16kB [ 270.176719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.178746] (UME) [ 270.182878] cache_grow_begin+0x91/0x8c0 [ 270.185084] 4*32kB (UME) [ 270.190610] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.192728] 5*64kB [ 270.196785] fallback_alloc+0x203/0x2e0 [ 270.199509] (ME) [ 270.204451] ____cache_alloc_node+0x1c7/0x1e0 [ 270.206657] 5*128kB [ 270.210617] kmem_cache_alloc_node+0xe3/0x730 [ 270.212661] (UME) [ 270.217571] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.219861] 4*256kB [ 270.224341] __alloc_skb+0x119/0x770 [ 270.226457] (ME) [ 270.230672] ? skb_scrub_packet+0x490/0x490 [ 270.232967] 5*512kB [ 270.236674] ? lock_downgrade+0x900/0x900 [ 270.238703] (UME) [ 270.243010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.245303] 4*1024kB [ 270.249435] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.251549] (UME) [ 270.257068] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.259446] 2*2048kB [ 270.264897] ? addrconf_rs_timer+0x690/0x690 [ 270.267011] (ME) [ 270.272457] ndisc_alloc_skb+0x144/0x340 [ 270.274831] 3*4096kB [ 270.279702] ndisc_send_rs+0x331/0x6e0 [ 270.281732] (M) [ 270.285777] addrconf_rs_timer+0x314/0x690 [ 270.288158] = 25256kB [ 270.292494] ? lock_release+0x970/0x970 [ 270.294440] Node 0 [ 270.298657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.301034] Normal: [ 270.304999] call_timer_fn+0x272/0x920 [ 270.307202] 1063*4kB [ 270.311425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.313715] (UMEH) [ 270.317588] ? process_timeout+0x40/0x40 [ 270.319969] 420*8kB [ 270.324182] ? kasan_check_read+0x11/0x20 [ 270.326386] (UME) [ 270.330446] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.332738] 170*16kB [ 270.336887] ? trace_hardirqs_on+0x310/0x310 [ 270.339001] (UMEH) [ 270.343393] ? __run_timers+0x7da/0xc70 [ 270.345776] 65*32kB [ 270.350168] ? lock_downgrade+0x900/0x900 [ 270.352374] (UME) [ 270.356331] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.358624] 9*64kB [ 270.362752] ? trace_hardirqs_on+0xbd/0x310 [ 270.364880] (UM) [ 270.369976] ? kasan_check_read+0x11/0x20 [ 270.372279] 0*128kB 0*256kB [ 270.376596] ? __run_timers+0x7da/0xc70 [ 270.378628] 0*512kB [ 270.382790] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.385775] 1*1024kB [ 270.389730] ? kasan_check_write+0x14/0x20 [ 270.392021] (H) [ 270.397453] ? do_raw_spin_lock+0xc1/0x200 [ 270.399832] 0*2048kB [ 270.405274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.405289] __run_timers+0x7e5/0xc70 [ 270.407239] 0*4096kB [ 270.411462] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.413839] = 14012kB [ 270.418056] ? compat_start_thread+0x80/0x80 [ 270.421833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.424220] ? dequeue_entity+0x1770/0x1770 [ 270.429556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.432438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.436828] 4986 total pagecache pages [ 270.445645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.452216] 0 pages in swap cache [ 270.452222] Swap cache stats: add 0, delete 0, find 0/0 [ 270.452225] Free swap = 0kB [ 270.452227] Total swap = 0kB [ 270.452232] 1965979 pages RAM [ 270.452234] 0 pages HighMem/MovableOnly [ 270.452237] 342307 pages reserved [ 270.452239] 0 pages cma reserved [ 270.452299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.452337] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.452340] syz-executor4 cpuset=syz4 mems_allowed=0 [ 270.532721] ? kasan_check_write+0x14/0x20 [ 270.536964] ? finish_task_switch+0x2f5/0x900 [ 270.542010] ? __switch_to_asm+0x40/0x70 [ 270.547153] ? preempt_notifier_register+0x200/0x200 [ 270.552246] ? __switch_to_asm+0x34/0x70 [ 270.556390] ? __switch_to_asm+0x40/0x70 [ 270.560910] ? __switch_to_asm+0x34/0x70 [ 270.564983] ? __switch_to_asm+0x40/0x70 [ 270.569032] ? __switch_to_asm+0x34/0x70 [ 270.573081] ? __switch_to_asm+0x40/0x70 [ 270.577152] ? pvclock_read_flags+0x160/0x160 [ 270.581637] ? __schedule+0x874/0x1ed0 [ 270.586037] ? run_rebalance_domains+0x38d/0x500 [ 270.590808] ? trace_hardirqs_on+0xbd/0x310 [ 270.595604] ? kvm_sched_clock_read+0x9/0x20 [ 270.600002] ? run_ksoftirqd+0x94/0x100 [ 270.603968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.609497] ? check_preemption_disabled+0x48/0x200 [ 270.614508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.620422] run_timer_softirq+0x52/0xb0 [ 270.624474] ? __this_cpu_preempt_check+0x1c/0x1f [ 270.629308] __do_softirq+0x30b/0xad8 [ 270.633103] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.638193] ? trace_hardirqs_off+0xb8/0x310 [ 270.642595] ? schedule+0x108/0x460 [ 270.646211] ? __schedule+0x1ed0/0x1ed0 [ 270.650174] ? run_ksoftirqd+0x99/0x100 [ 270.654138] ? trace_hardirqs_off+0xb8/0x310 [ 270.658540] ? ___might_sleep+0x1ed/0x300 [ 270.662692] ? smpboot_thread_fn+0x68b/0xa00 [ 270.667130] ? trace_hardirqs_on+0x310/0x310 [ 270.671528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.677069] ? check_preemption_disabled+0x48/0x200 [ 270.682079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.687608] ? takeover_tasklets+0xa90/0xa90 [ 270.692368] run_ksoftirqd+0x94/0x100 [ 270.696166] smpboot_thread_fn+0x68b/0xa00 [ 270.700392] ? sort_range+0x30/0x30 [ 270.704012] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.709106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.714636] ? __kthread_parkme+0xfb/0x1a0 [ 270.718872] kthread+0x35a/0x420 [ 270.722230] ? sort_range+0x30/0x30 [ 270.725852] ? kthread_bind+0x40/0x40 [ 270.729644] ret_from_fork+0x3a/0x50 [ 270.733368] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 270.733420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.740805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.740862] Call Trace: [ 270.740872] [ 270.740891] dump_stack+0x1c4/0x2b4 [ 270.747399] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.756713] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.759272] ksoftirqd/1 cpuset= [ 270.761413] warn_alloc.cold.119+0xb7/0x1bd [ 270.765002] / [ 270.775299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.780457] mems_allowed=0 [ 270.783717] ? lock_downgrade+0x900/0x900 [ 270.801557] ? trace_hardirqs_off+0xb8/0x310 [ 270.805958] ? trace_hardirqs_off+0xb8/0x310 [ 270.810366] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.815214] ? warn_alloc+0x120/0x120 [ 270.819007] ? warn_alloc+0x120/0x120 [ 270.822798] ? warn_alloc+0x120/0x120 [ 270.826592] ? lock_release+0x970/0x970 [ 270.830556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.835739] ? trace_hardirqs_on+0x310/0x310 [ 270.840141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.845671] ? should_fail+0x22d/0xd01 [ 270.849549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.854654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.860194] ? should_fail+0x22d/0xd01 [ 270.864075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.869171] ? should_fail+0x22d/0xd01 [ 270.873051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.878147] ? mark_held_locks+0x130/0x130 [ 270.882375] ? mark_held_locks+0x130/0x130 [ 270.886624] ? kvm_clock_read+0x18/0x30 [ 270.890605] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.895612] ? ktime_get+0x2e1/0x440 [ 270.899318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.904862] ? check_preemption_disabled+0x48/0x200 [ 270.909882] ? kasan_check_read+0x11/0x20 [ 270.914025] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.919297] ? rcu_bh_qs+0xc0/0xc0 [ 270.922833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.928411] ? check_preemption_disabled+0x48/0x200 [ 270.933415] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.938419] ? widen_string+0xe0/0x2e0 [ 270.942337] __alloc_pages_nodemask+0xa80/0xde0 [ 270.946997] ? should_fail+0x22d/0xd01 [ 270.950882] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.955905] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.960562] ? lock_downgrade+0x900/0x900 [ 270.964706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.970238] cache_grow_begin+0x91/0x8c0 [ 270.974288] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.978690] fallback_alloc+0x203/0x2e0 [ 270.982658] ____cache_alloc_node+0x1c7/0x1e0 [ 270.987151] kmem_cache_alloc_node+0xe3/0x730 [ 270.991640] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.995906] __alloc_skb+0x119/0x770 [ 270.999614] ? skb_scrub_packet+0x490/0x490 [ 271.003942] ? lock_downgrade+0x900/0x900 [ 271.008087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.013623] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.019088] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.024548] ? addrconf_rs_timer+0x690/0x690 [ 271.028970] ndisc_alloc_skb+0x144/0x340 [ 271.033026] ndisc_send_rs+0x331/0x6e0 [ 271.036911] addrconf_rs_timer+0x314/0x690 [ 271.041140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.045374] call_timer_fn+0x272/0x920 [ 271.049255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.053479] ? process_timeout+0x40/0x40 [ 271.057532] ? trace_hardirqs_off+0xb8/0x310 [ 271.061944] ? kasan_check_read+0x11/0x20 [ 271.066084] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.070481] ? trace_hardirqs_on+0x310/0x310 [ 271.074880] ? __run_timers+0x7da/0xc70 [ 271.078851] ? lock_downgrade+0x900/0x900 [ 271.082993] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.088085] ? trace_hardirqs_on+0xbd/0x310 [ 271.092394] ? kasan_check_read+0x11/0x20 [ 271.096537] ? __run_timers+0x7da/0xc70 [ 271.100505] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.105944] ? kasan_check_write+0x14/0x20 [ 271.110170] ? do_raw_spin_lock+0xc1/0x200 [ 271.114398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.118623] __run_timers+0x7e5/0xc70 [ 271.122423] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.127780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.132814] ? timerqueue_add+0x207/0x2b0 [ 271.136959] ? enqueue_hrtimer+0x1a5/0x560 [ 271.141183] ? lock_release+0x970/0x970 [ 271.145149] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.150331] ? kasan_check_write+0x14/0x20 [ 271.154563] ? pvclock_read_flags+0x160/0x160 [ 271.159050] ? lock_downgrade+0x900/0x900 [ 271.163189] ? trace_hardirqs_on+0xbd/0x310 [ 271.167497] ? kvm_sched_clock_read+0x9/0x20 [ 271.171897] ? irq_exit+0x17f/0x1c0 [ 271.175515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.181050] ? check_preemption_disabled+0x48/0x200 [ 271.186056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.191601] run_timer_softirq+0x52/0xb0 [ 271.195656] ? __this_cpu_preempt_check+0x1c/0x1f [ 271.200488] __do_softirq+0x30b/0xad8 [ 271.204285] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.209385] ? pvclock_read_flags+0x160/0x160 [ 271.213884] ? lapic_next_event+0x5a/0x90 [ 271.218026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.223558] ? clockevents_program_event+0x140/0x370 [ 271.229114] ? kvm_clock_read+0x18/0x30 [ 271.233260] ? kvm_sched_clock_read+0x9/0x20 [ 271.237660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.243296] ? check_preemption_disabled+0x48/0x200 [ 271.248325] irq_exit+0x17f/0x1c0 [ 271.251775] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.256612] ? smp_reschedule_interrupt+0x109/0x650 [ 271.261623] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.267498] ? interrupt_entry+0xb5/0xf0 [ 271.271697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.276725] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.281735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.286568] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.291590] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.296597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.302125] ? check_preemption_disabled+0x48/0x200 [ 271.307170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.312027] apic_timer_interrupt+0xf/0x20 [ 271.316246] [ 271.318481] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.323407] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 271.342300] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.350004] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 271.357265] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 271.364525] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 271.371785] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 271.379079] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.386353] ? trace_hardirqs_on+0xb4/0x310 [ 271.390671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.396200] skb_clone+0x1bb/0x500 [ 271.399729] ? finish_task_switch+0x2f5/0x900 [ 271.404219] ? skb_split+0x11e0/0x11e0 [ 271.408114] ? preempt_notifier_register+0x200/0x200 [ 271.413210] ? __switch_to_asm+0x34/0x70 [ 271.417262] ? __switch_to_asm+0x34/0x70 [ 271.421315] ? __switch_to_asm+0x40/0x70 [ 271.425364] ? __switch_to_asm+0x34/0x70 [ 271.429416] ? __switch_to_asm+0x40/0x70 [ 271.433466] ? __switch_to_asm+0x34/0x70 [ 271.437619] ? __switch_to_asm+0x40/0x70 [ 271.441687] ? __switch_to_asm+0x34/0x70 [ 271.445737] ? __switch_to_asm+0x34/0x70 [ 271.452323] ? __switch_to_asm+0x40/0x70 [ 271.456827] ? __switch_to_asm+0x34/0x70 [ 271.460933] bpf_clone_redirect+0xb9/0x490 [ 271.465165] ? __schedule+0x874/0x1ed0 [ 271.469054] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 271.473974] ? __sched_text_start+0x8/0x8 [ 271.478117] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.482868] ? retint_kernel+0x2d/0x2d [ 271.486751] ? lock_acquire+0x1ed/0x520 [ 271.490720] ? bpf_test_run+0x32e/0x5a0 [ 271.494687] ? lock_release+0x970/0x970 [ 271.498649] ? preempt_schedule+0x4d/0x60 [ 271.502796] ? preempt_schedule_common+0x1f/0xd0 [ 271.507548] ? preempt_schedule+0x4d/0x60 [ 271.511688] ? ___preempt_schedule+0x16/0x18 [ 271.516088] ? bpf_test_run+0x1c0/0x5a0 [ 271.520056] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.524458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.529987] ? bpf_test_init.isra.9+0x70/0x100 [ 271.534560] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.539313] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.544146] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.549676] ? fput+0x130/0x1a0 [ 271.552945] ? __bpf_prog_get+0x9b/0x290 [ 271.556998] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.561831] ? bpf_prog_test_run+0x130/0x1a0 [ 271.566234] ? __x64_sys_bpf+0x3d8/0x510 [ 271.570287] ? bpf_prog_get+0x20/0x20 [ 271.574090] ? do_syscall_64+0x1b9/0x820 [ 271.578144] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.583501] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.588422] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.593432] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.598461] ? recalc_sigpending_tsk+0x180/0x180 [ 271.603210] ? kasan_check_write+0x14/0x20 [ 271.607440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.612280] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.617647] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 271.617651] warn_alloc_show_mem: 1 callbacks suppressed [ 271.617657] Mem-Info: [ 271.624935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.630293] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 271.630293] active_file:16 inactive_file:17 isolated_file:0 [ 271.630293] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.630293] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 271.630293] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 271.630293] free:13792 free_pcp:309 free_cma:0 [ 271.632667] Call Trace: [ 271.642037] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.675667] dump_stack+0x1c4/0x2b4 [ 271.678219] Node 0 [ 271.710336] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.713935] 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 [ 271.716139] ? isolate_lru_page+0x22e0/0x22e0 [ 271.721295] lowmem_reserve[]: [ 271.746790] warn_alloc.cold.119+0xb7/0x1bd [ 271.751251] 0 [ 271.754343] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.758632] 2819 [ 271.760420] ? lock_downgrade+0x900/0x900 [ 271.765226] 6323 6323 [ 271.767292] ? trace_hardirqs_off+0xb8/0x310 [ 271.773888] ? trace_hardirqs_off+0xb8/0x310 [ 271.778262] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 271.782681] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.782703] ? mark_held_locks+0x130/0x130 [ 271.810248] lowmem_reserve[]: 0 [ 271.815541] ? warn_alloc+0x120/0x120 [ 271.819765] 0 [ 271.823029] ? warn_alloc+0x120/0x120 [ 271.826794] 3503 3503 [ 271.828591] ? warn_alloc+0x120/0x120 [ 271.834841] ? mark_held_locks+0x130/0x130 [ 271.838620] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 271.842860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.842875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.871938] lowmem_reserve[]: 0 [ 271.877932] ? should_fail+0x22d/0xd01 [ 271.883434] 0 [ 271.886701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.890638] 0 0 [ 271.892434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.899468] ? should_fail+0x22d/0xd01 [ 271.904973] Node 0 DMA: [ 271.908860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.908873] ? should_fail+0x22d/0xd01 [ 271.911515] 1*4kB [ 271.916603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.920457] (U) [ 271.922622] ? mark_held_locks+0x130/0x130 [ 271.927692] 0*8kB [ 271.929654] ? mark_held_locks+0x130/0x130 [ 271.933855] 0*16kB 1*32kB [ 271.935999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.940206] (U) 2*64kB [ 271.943045] ? trace_hardirqs_off+0xb8/0x310 [ 271.948544] (U) 1*128kB [ 271.951143] ? kasan_check_read+0x11/0x20 [ 271.955519] (U) [ 271.958180] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.962296] 1*256kB [ 271.964255] ? trace_hardirqs_on+0x310/0x310 [ 271.968627] (U) 0*512kB [ 271.970943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.975319] 1*1024kB [ 271.977988] ? wq_watchdog_touch+0x9c/0xfe [ 271.983492] (U) [ 271.985891] ? io_serial_in+0x11/0x90 [ 271.990088] 1*2048kB (M) [ 271.992058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.995823] 3*4096kB [ 271.998564] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.004065] (M) = 15908kB [ 272.006480] __alloc_pages_nodemask+0xa80/0xde0 [ 272.011681] Node 0 [ 272.014437] ? should_fail+0x22d/0xd01 [ 272.019067] DMA32: 6*4kB [ 272.021300] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.025152] (UME) [ 272.027907] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.032885] 2*8kB [ 272.035018] ? lock_downgrade+0x900/0x900 [ 272.039653] (UE) [ 272.041814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.045934] 4*16kB [ 272.047999] cache_grow_begin+0x91/0x8c0 [ 272.053512] (UME) [ 272.055743] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.059776] 4*32kB [ 272.061923] fallback_alloc+0x203/0x2e0 [ 272.066300] (UME) [ 272.068523] ____cache_alloc_node+0x1c7/0x1e0 [ 272.072459] 5*64kB (ME) [ 272.074605] kmem_cache_alloc_node+0xe3/0x730 [ 272.079066] 5*128kB (UME) [ 272.081738] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.086221] 4*256kB [ 272.089053] __alloc_skb+0x119/0x770 [ 272.093352] (ME) [ 272.095665] ? skb_scrub_packet+0x490/0x490 [ 272.099348] 5*512kB [ 272.101395] ? lock_downgrade+0x900/0x900 [ 272.105684] (UME) [ 272.107992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.112622] 4*1024kB (UME) [ 272.114780] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.120281] 2*2048kB [ 272.123199] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.128619] (ME) [ 272.132507] ? addrconf_rs_timer+0x690/0x690 [ 272.137927] 3*4096kB [ 272.139982] ndisc_alloc_skb+0x144/0x340 [ 272.144354] (M) [ 272.146753] ndisc_send_rs+0x331/0x6e0 [ 272.150794] = 25256kB [ 272.152754] addrconf_rs_timer+0x314/0x690 [ 272.156630] Node 0 [ 272.159344] ? lock_release+0x970/0x970 [ 272.163545] Normal: [ 272.165780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.169731] 1063*4kB [ 272.172047] call_timer_fn+0x272/0x920 [ 272.176245] (UMEH) [ 272.178645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.182501] 420*8kB [ 272.184729] ? process_timeout+0x40/0x40 [ 272.188927] (UME) [ 272.191234] ? kasan_check_read+0x11/0x20 [ 272.195268] 170*16kB [ 272.197403] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.201513] (UMEH) 65*32kB [ 272.203914] ? trace_hardirqs_on+0x310/0x310 [ 272.208288] (UME) [ 272.211207] ? __run_timers+0x7da/0xc70 [ 272.215589] 9*64kB [ 272.217739] ? lock_downgrade+0x900/0x900 [ 272.221687] (UM) [ 272.223930] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.228045] 0*128kB [ 272.230091] ? trace_hardirqs_on+0xbd/0x310 [ 272.235156] 0*256kB 0*512kB [ 272.237468] ? kasan_check_read+0x11/0x20 [ 272.241764] 1*1024kB [ 272.244770] ? __run_timers+0x7da/0xc70 [ 272.248883] (H) [ 272.251765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.255725] 0*2048kB [ 272.257687] ? kasan_check_write+0x14/0x20 [ 272.263102] 0*4096kB = 14012kB [ 272.265508] ? do_raw_spin_lock+0xc1/0x200 [ 272.269726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.272902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.277633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.286546] __run_timers+0x7e5/0xc70 [ 272.290749] 4986 total pagecache pages [ 272.299314] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.303081] 0 pages in swap cache [ 272.306953] ? compat_start_thread+0x80/0x80 [ 272.312289] Swap cache stats: add 0, delete 0, find 0/0 [ 272.315728] ? dequeue_entity+0x1770/0x1770 [ 272.320112] Free swap = 0kB [ 272.325461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.329752] Total swap = 0kB [ 272.332755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.338373] 1965979 pages RAM [ 272.343677] ? kasan_check_write+0x14/0x20 [ 272.349182] 0 pages HighMem/MovableOnly [ 272.352272] ? finish_task_switch+0x2f5/0x900 [ 272.356475] 342307 pages reserved [ 272.360456] ? __switch_to_asm+0x40/0x70 [ 272.364907] 0 pages cma reserved [ 272.368346] ? preempt_notifier_register+0x200/0x200 [ 272.372418] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.375728] ? __switch_to_asm+0x34/0x70 [ 272.380867] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.389059] ? __switch_to_asm+0x40/0x70 [ 272.393090] syz-executor4 cpuset= [ 272.403560] ? __switch_to_asm+0x34/0x70 [ 272.407591] syz4 [ 272.411026] ? __switch_to_asm+0x40/0x70 [ 272.415060] mems_allowed=0 [ 272.417019] ? __switch_to_asm+0x34/0x70 [ 272.428007] ? __switch_to_asm+0x40/0x70 [ 272.432064] ? pvclock_read_flags+0x160/0x160 [ 272.436658] ? __schedule+0x874/0x1ed0 [ 272.440537] ? run_rebalance_domains+0x38d/0x500 [ 272.445290] ? trace_hardirqs_on+0xbd/0x310 [ 272.449602] ? kvm_sched_clock_read+0x9/0x20 [ 272.456464] ? run_ksoftirqd+0x94/0x100 [ 272.460455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.465985] ? check_preemption_disabled+0x48/0x200 [ 272.477419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.482957] run_timer_softirq+0x52/0xb0 [ 272.487012] ? __this_cpu_preempt_check+0x1c/0x1f [ 272.491848] __do_softirq+0x30b/0xad8 [ 272.495643] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.500740] ? trace_hardirqs_off+0xb8/0x310 [ 272.505147] ? schedule+0x108/0x460 [ 272.508763] ? __schedule+0x1ed0/0x1ed0 [ 272.512765] ? run_ksoftirqd+0x99/0x100 [ 272.516762] ? trace_hardirqs_off+0xb8/0x310 [ 272.521165] ? ___might_sleep+0x1ed/0x300 [ 272.525305] ? smpboot_thread_fn+0x68b/0xa00 [ 272.529711] ? trace_hardirqs_on+0x310/0x310 [ 272.534116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.539649] ? check_preemption_disabled+0x48/0x200 [ 272.545531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.551429] ? takeover_tasklets+0xa90/0xa90 [ 272.555829] run_ksoftirqd+0x94/0x100 [ 272.559621] smpboot_thread_fn+0x68b/0xa00 [ 272.565527] ? sort_range+0x30/0x30 [ 272.569296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.574397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.580033] ? __kthread_parkme+0xfb/0x1a0 [ 272.584262] kthread+0x35a/0x420 [ 272.587624] ? sort_range+0x30/0x30 [ 272.591240] ? kthread_bind+0x40/0x40 [ 272.595032] ret_from_fork+0x3a/0x50 [ 272.598755] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 272.598804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.606033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.606037] Call Trace: [ 272.606041] [ 272.606057] dump_stack+0x1c4/0x2b4 [ 272.606074] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.612600] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.621885] warn_alloc.cold.119+0xb7/0x1bd [ 272.624435] ksoftirqd/1 cpuset= [ 272.626571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.630165] / [ 272.635340] ? lock_downgrade+0x900/0x900 [ 272.646126] mems_allowed=0 [ 272.650432] ? trace_hardirqs_off+0xb8/0x310 [ 272.671646] ? trace_hardirqs_off+0xb8/0x310 [ 272.676048] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.680894] ? warn_alloc+0x120/0x120 [ 272.684698] ? trace_hardirqs_on+0x310/0x310 [ 272.689109] ? warn_alloc+0x120/0x120 [ 272.692902] ? warn_alloc+0x120/0x120 [ 272.696697] ? ktime_get+0x2e1/0x440 [ 272.700408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.705935] ? check_preemption_disabled+0x48/0x200 [ 272.710948] ? kasan_check_read+0x11/0x20 [ 272.715087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.720617] ? should_fail+0x22d/0xd01 [ 272.724493] ? rcu_bh_qs+0xc0/0xc0 [ 272.728022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.733130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.738657] ? should_fail+0x22d/0xd01 [ 272.742550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.747644] ? should_fail+0x22d/0xd01 [ 272.751529] ? rcu_idle_enter+0x4b0/0x4b0 [ 272.755676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.760775] ? mark_held_locks+0x130/0x130 [ 272.765002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.770530] ? mark_held_locks+0x130/0x130 [ 272.774758] ? rcu_irq_exit+0xce/0x100 [ 272.778635] ? irq_exit+0xbd/0x1c0 [ 272.782170] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 272.787180] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.791581] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.797456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.802984] ? ret_from_intr+0xb/0x1e [ 272.806777] ? retint_kernel+0x2d/0x2d [ 272.810658] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.815595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.820352] ? trace_hardirqs_off+0x310/0x310 [ 272.824837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.829940] __alloc_pages_nodemask+0xa80/0xde0 [ 272.834608] ? should_fail+0x22d/0xd01 [ 272.838504] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.843528] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.848191] ? lock_downgrade+0x900/0x900 [ 272.852337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.857865] cache_grow_begin+0x91/0x8c0 [ 272.861918] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.866320] fallback_alloc+0x203/0x2e0 [ 272.870381] ____cache_alloc_node+0x1c7/0x1e0 [ 272.874879] kmem_cache_alloc_node+0xe3/0x730 [ 272.879370] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.883604] __alloc_skb+0x119/0x770 [ 272.887311] ? skb_scrub_packet+0x490/0x490 [ 272.891622] ? lock_downgrade+0x900/0x900 [ 272.895765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.901293] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.906735] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.912174] ? addrconf_rs_timer+0x690/0x690 [ 272.916578] ndisc_alloc_skb+0x144/0x340 [ 272.920630] ndisc_send_rs+0x331/0x6e0 [ 272.924516] addrconf_rs_timer+0x314/0x690 [ 272.928742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.933121] call_timer_fn+0x272/0x920 [ 272.937009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.941233] ? process_timeout+0x40/0x40 [ 272.945288] ? trace_hardirqs_off+0xb8/0x310 [ 272.949693] ? kasan_check_read+0x11/0x20 [ 272.953835] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.958235] ? trace_hardirqs_on+0x310/0x310 [ 272.962640] ? __run_timers+0x7da/0xc70 [ 272.966611] ? lock_downgrade+0x900/0x900 [ 272.970762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.975862] ? trace_hardirqs_on+0xbd/0x310 [ 272.980176] ? kasan_check_read+0x11/0x20 [ 272.984318] ? __run_timers+0x7da/0xc70 [ 272.988293] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.993734] ? kasan_check_write+0x14/0x20 [ 272.997963] ? do_raw_spin_lock+0xc1/0x200 [ 273.002195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.006423] __run_timers+0x7e5/0xc70 [ 273.010223] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.015582] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.020591] ? timerqueue_add+0x207/0x2b0 [ 273.024746] ? enqueue_hrtimer+0x1a5/0x560 [ 273.028974] ? lock_release+0x970/0x970 [ 273.033050] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.038238] ? kasan_check_write+0x14/0x20 [ 273.042471] ? pvclock_read_flags+0x160/0x160 [ 273.046957] ? lock_downgrade+0x900/0x900 [ 273.051102] ? trace_hardirqs_on+0xbd/0x310 [ 273.055416] ? kvm_sched_clock_read+0x9/0x20 [ 273.059818] ? irq_exit+0x17f/0x1c0 [ 273.063441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.068974] ? check_preemption_disabled+0x48/0x200 [ 273.073977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.079505] run_timer_softirq+0x52/0xb0 [ 273.083557] ? __this_cpu_preempt_check+0x1c/0x1f [ 273.088395] __do_softirq+0x30b/0xad8 [ 273.092193] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.097287] ? pvclock_read_flags+0x160/0x160 [ 273.101769] ? lapic_next_event+0x5a/0x90 [ 273.105929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.111460] ? clockevents_program_event+0x140/0x370 [ 273.116561] ? kvm_clock_read+0x18/0x30 [ 273.120530] ? kvm_sched_clock_read+0x9/0x20 [ 273.125422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.130948] ? check_preemption_disabled+0x48/0x200 [ 273.135959] irq_exit+0x17f/0x1c0 [ 273.139406] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.144241] ? smp_reschedule_interrupt+0x109/0x650 [ 273.149249] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.155122] ? interrupt_entry+0xb5/0xf0 [ 273.159176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.164184] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.169197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.174043] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.179077] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.184117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.189665] ? check_preemption_disabled+0x48/0x200 [ 273.194682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.199519] apic_timer_interrupt+0xf/0x20 [ 273.203741] [ 273.205970] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.210903] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 273.229805] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.237502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 273.244760] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 273.252037] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 273.259297] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 273.266556] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.273929] ? trace_hardirqs_on+0xb4/0x310 [ 273.278246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.283789] skb_clone+0x1bb/0x500 [ 273.287334] ? finish_task_switch+0x2f5/0x900 [ 273.291818] ? skb_split+0x11e0/0x11e0 [ 273.295701] ? preempt_notifier_register+0x200/0x200 [ 273.300792] ? __switch_to_asm+0x34/0x70 [ 273.304846] ? __switch_to_asm+0x34/0x70 [ 273.308895] ? __switch_to_asm+0x40/0x70 [ 273.312945] ? __switch_to_asm+0x34/0x70 [ 273.317001] ? __switch_to_asm+0x40/0x70 [ 273.321076] ? __switch_to_asm+0x34/0x70 [ 273.325131] ? __switch_to_asm+0x40/0x70 [ 273.329272] ? __switch_to_asm+0x34/0x70 [ 273.333327] ? __switch_to_asm+0x34/0x70 [ 273.337375] ? __switch_to_asm+0x40/0x70 [ 273.341445] ? __switch_to_asm+0x34/0x70 [ 273.345521] bpf_clone_redirect+0xb9/0x490 [ 273.349751] ? __schedule+0x874/0x1ed0 [ 273.353641] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 273.358566] ? __sched_text_start+0x8/0x8 [ 273.362711] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.367460] ? retint_kernel+0x2d/0x2d [ 273.371348] ? lock_acquire+0x1ed/0x520 [ 273.375310] ? bpf_test_run+0x32e/0x5a0 [ 273.379276] ? lock_release+0x970/0x970 [ 273.383240] ? preempt_schedule+0x4d/0x60 [ 273.387383] ? preempt_schedule_common+0x1f/0xd0 [ 273.392134] ? preempt_schedule+0x4d/0x60 [ 273.396274] ? ___preempt_schedule+0x16/0x18 [ 273.400680] ? bpf_test_run+0x1c0/0x5a0 [ 273.404658] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.409062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.414589] ? bpf_test_init.isra.9+0x70/0x100 [ 273.419168] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.423919] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.428754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.434281] ? fput+0x130/0x1a0 [ 273.437549] ? __bpf_prog_get+0x9b/0x290 [ 273.441602] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.446440] ? bpf_prog_test_run+0x130/0x1a0 [ 273.453086] ? __x64_sys_bpf+0x3d8/0x510 [ 273.457260] ? bpf_prog_get+0x20/0x20 [ 273.461060] ? do_syscall_64+0x1b9/0x820 [ 273.465116] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.470471] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.475395] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.480402] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.485409] ? recalc_sigpending_tsk+0x180/0x180 [ 273.490166] ? kasan_check_write+0x14/0x20 [ 273.494411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.499248] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.504618] warn_alloc_show_mem: 1 callbacks suppressed [ 273.504628] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 273.504630] Mem-Info: [ 273.504662] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 273.504662] active_file:16 inactive_file:17 isolated_file:0 [ 273.504662] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.504662] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 273.504662] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 273.504662] free:13792 free_pcp:309 free_cma:0 [ 273.509990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.516834] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.519222] Call Trace: [ 273.552250] Node 0 [ 273.561594] dump_stack+0x1c4/0x2b4 [ 273.589442] 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 [ 273.592004] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.594207] lowmem_reserve[]: [ 273.597832] ? isolate_lru_page+0x22e0/0x22e0 [ 273.623303] 0 [ 273.628724] warn_alloc.cold.119+0xb7/0x1bd [ 273.631797] 2819 [ 273.636276] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.638047] 6323 [ 273.642354] ? lock_downgrade+0x900/0x900 [ 273.644398] 6323 [ 273.649243] ? trace_hardirqs_off+0xb8/0x310 [ 273.655421] ? trace_hardirqs_off+0xb8/0x310 [ 273.657453] Node 0 [ 273.661864] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.666262] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 273.668474] ? mark_held_locks+0x130/0x130 [ 273.673273] lowmem_reserve[]: 0 [ 273.700738] ? warn_alloc+0x120/0x120 [ 273.704937] 0 3503 [ 273.708213] ? warn_alloc+0x120/0x120 [ 273.711991] 3503 [ 273.714215] ? warn_alloc+0x120/0x120 [ 273.717984] Node 0 [ 273.720032] ? mark_held_locks+0x130/0x130 [ 273.723834] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 273.726036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.730236] lowmem_reserve[]: [ 273.758598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.764242] 0 [ 273.767480] ? should_fail+0x22d/0xd01 [ 273.772985] 0 [ 273.774777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.778629] 0 0 [ 273.780426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.787455] ? should_fail+0x22d/0xd01 [ 273.792961] Node 0 DMA: [ 273.796847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.796861] ? should_fail+0x22d/0xd01 [ 273.799515] 1*4kB [ 273.804606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.808466] (U) [ 273.810612] ? mark_held_locks+0x130/0x130 [ 273.815684] 0*8kB 0*16kB [ 273.817651] ? mark_held_locks+0x130/0x130 [ 273.821855] 1*32kB [ 273.824606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.828935] (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 273.828981] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 273.829046] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 273.829111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.829119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.829146] 4986 total pagecache pages [ 273.833154] ? trace_hardirqs_off+0xb8/0x310 [ 273.838689] 0 pages in swap cache [ 273.848547] ? kasan_check_read+0x11/0x20 [ 273.848563] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.864666] Swap cache stats: add 0, delete 0, find 0/0 [ 273.879387] ? trace_hardirqs_on+0x310/0x310 [ 273.888193] Free swap = 0kB [ 273.897036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.900895] Total swap = 0kB [ 273.905509] ? wq_watchdog_touch+0x9c/0xfe [ 273.908929] 1965979 pages RAM [ 273.913058] ? io_serial_in+0x11/0x90 [ 273.917433] 0 pages HighMem/MovableOnly [ 273.923030] ? retint_kernel+0x2d/0x2d [ 273.927402] 342307 pages reserved [ 273.927409] 0 pages cma reserved [ 273.930411] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.935959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.938917] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.943186] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.946217] ? trace_hardirqs_off+0x310/0x310 [ 273.949987] syz-executor4 cpuset= [ 273.953948] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 273.957805] syz4 [ 273.961245] __alloc_pages_nodemask+0xa80/0xde0 [ 273.964587] mems_allowed=0 [ 273.969498] ? should_fail+0x22d/0xd01 [ 274.018134] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.023161] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.027827] ? lock_downgrade+0x900/0x900 [ 274.031977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.037509] cache_grow_begin+0x91/0x8c0 [ 274.041573] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.045975] fallback_alloc+0x203/0x2e0 [ 274.049944] ____cache_alloc_node+0x1c7/0x1e0 [ 274.054879] kmem_cache_alloc_node+0xe3/0x730 [ 274.059368] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.063599] __alloc_skb+0x119/0x770 [ 274.067308] ? skb_scrub_packet+0x490/0x490 [ 274.071621] ? lock_downgrade+0x900/0x900 [ 274.075769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.081303] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.086748] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.092187] ? addrconf_rs_timer+0x690/0x690 [ 274.096754] ndisc_alloc_skb+0x144/0x340 [ 274.100813] ndisc_send_rs+0x331/0x6e0 [ 274.104692] addrconf_rs_timer+0x314/0x690 [ 274.109295] ? lock_release+0x970/0x970 [ 274.113271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.117504] call_timer_fn+0x272/0x920 [ 274.121385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.125619] ? process_timeout+0x40/0x40 [ 274.129667] ? kasan_check_read+0x11/0x20 [ 274.133806] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.138206] ? trace_hardirqs_on+0x310/0x310 [ 274.142611] ? __run_timers+0x7da/0xc70 [ 274.146580] ? lock_downgrade+0x900/0x900 [ 274.150722] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.155814] ? trace_hardirqs_on+0xbd/0x310 [ 274.160125] ? kasan_check_read+0x11/0x20 [ 274.164263] ? __run_timers+0x7da/0xc70 [ 274.168233] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.173671] ? kasan_check_write+0x14/0x20 [ 274.178407] ? do_raw_spin_lock+0xc1/0x200 [ 274.185869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.190099] __run_timers+0x7e5/0xc70 [ 274.193916] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.199270] ? compat_start_thread+0x80/0x80 [ 274.203667] ? dequeue_entity+0x1770/0x1770 [ 274.207978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.213503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.219031] ? kasan_check_write+0x14/0x20 [ 274.223255] ? finish_task_switch+0x2f5/0x900 [ 274.227739] ? __switch_to_asm+0x40/0x70 [ 274.231807] ? preempt_notifier_register+0x200/0x200 [ 274.236900] ? __switch_to_asm+0x34/0x70 [ 274.241422] ? __switch_to_asm+0x40/0x70 [ 274.245929] ? __switch_to_asm+0x34/0x70 [ 274.249980] ? __switch_to_asm+0x40/0x70 [ 274.254027] ? __switch_to_asm+0x34/0x70 [ 274.258082] ? __switch_to_asm+0x40/0x70 [ 274.263079] ? pvclock_read_flags+0x160/0x160 [ 274.269497] ? __schedule+0x874/0x1ed0 [ 274.273375] ? run_rebalance_domains+0x38d/0x500 [ 274.278667] ? trace_hardirqs_on+0xbd/0x310 [ 274.282988] ? kvm_sched_clock_read+0x9/0x20 [ 274.287389] ? run_ksoftirqd+0x94/0x100 [ 274.291355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.297250] ? check_preemption_disabled+0x48/0x200 [ 274.302257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.307791] run_timer_softirq+0x52/0xb0 [ 274.311844] ? __this_cpu_preempt_check+0x1c/0x1f [ 274.316675] __do_softirq+0x30b/0xad8 [ 274.320472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.325573] ? trace_hardirqs_off+0xb8/0x310 [ 274.329978] ? schedule+0x108/0x460 [ 274.333612] ? __schedule+0x1ed0/0x1ed0 [ 274.337578] ? run_ksoftirqd+0x99/0x100 [ 274.341556] ? trace_hardirqs_off+0xb8/0x310 [ 274.345969] ? ___might_sleep+0x1ed/0x300 [ 274.350106] ? smpboot_thread_fn+0x68b/0xa00 [ 274.354504] ? trace_hardirqs_on+0x310/0x310 [ 274.358903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.364435] ? check_preemption_disabled+0x48/0x200 [ 274.369441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.374969] ? takeover_tasklets+0xa90/0xa90 [ 274.379368] run_ksoftirqd+0x94/0x100 [ 274.383363] smpboot_thread_fn+0x68b/0xa00 [ 274.387591] ? sort_range+0x30/0x30 [ 274.391211] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.396305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.401919] ? __kthread_parkme+0xfb/0x1a0 [ 274.406145] kthread+0x35a/0x420 [ 274.409509] ? sort_range+0x30/0x30 [ 274.413134] ? kthread_bind+0x40/0x40 [ 274.416926] ret_from_fork+0x3a/0x50 [ 274.420652] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 274.420699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.427916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.427923] Call Trace: [ 274.434467] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.443739] [ 274.446300] ksoftirqd/1 cpuset= [ 274.456819] dump_stack+0x1c4/0x2b4 [ 274.458939] / [ 274.462201] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.466262] mems_allowed=0 [ 274.467964] warn_alloc.cold.119+0xb7/0x1bd [ 274.480337] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.485177] ? lock_downgrade+0x900/0x900 [ 274.489317] ? trace_hardirqs_off+0xb8/0x310 [ 274.493718] ? trace_hardirqs_off+0xb8/0x310 [ 274.498121] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.502969] ? warn_alloc+0x120/0x120 [ 274.506759] ? trace_hardirqs_on+0x310/0x310 [ 274.511156] ? warn_alloc+0x120/0x120 [ 274.514951] ? warn_alloc+0x120/0x120 [ 274.518739] ? ktime_get+0x2e1/0x440 [ 274.522447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.528008] ? check_preemption_disabled+0x48/0x200 [ 274.533020] ? kasan_check_read+0x11/0x20 [ 274.537158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.542687] ? should_fail+0x22d/0xd01 [ 274.546572] ? rcu_bh_qs+0xc0/0xc0 [ 274.550104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.555198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.560723] ? should_fail+0x22d/0xd01 [ 274.564601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.569694] ? should_fail+0x22d/0xd01 [ 274.573571] ? rcu_idle_enter+0x4b0/0x4b0 [ 274.577729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.582828] ? mark_held_locks+0x130/0x130 [ 274.587057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.592582] ? mark_held_locks+0x130/0x130 [ 274.596809] ? rcu_irq_exit+0xce/0x100 [ 274.600686] ? irq_exit+0xbd/0x1c0 [ 274.604220] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 274.609226] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.613627] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.619500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.625033] ? ret_from_intr+0xb/0x1e [ 274.628839] ? retint_kernel+0x2d/0x2d [ 274.632739] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.637660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.642408] ? trace_hardirqs_off+0x310/0x310 [ 274.646891] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.651990] __alloc_pages_nodemask+0xa80/0xde0 [ 274.656651] ? should_fail+0x22d/0xd01 [ 274.660547] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.665573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.670231] ? lock_downgrade+0x900/0x900 [ 274.674375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.679903] cache_grow_begin+0x91/0x8c0 [ 274.683954] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.688359] fallback_alloc+0x203/0x2e0 [ 274.692329] ____cache_alloc_node+0x1c7/0x1e0 [ 274.696820] kmem_cache_alloc_node+0xe3/0x730 [ 274.701307] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.705544] __alloc_skb+0x119/0x770 [ 274.709254] ? skb_scrub_packet+0x490/0x490 [ 274.713572] ? lock_downgrade+0x900/0x900 [ 274.717717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.723595] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.729037] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.734478] ? addrconf_rs_timer+0x690/0x690 [ 274.738977] ndisc_alloc_skb+0x144/0x340 [ 274.743031] ndisc_send_rs+0x331/0x6e0 [ 274.746911] addrconf_rs_timer+0x314/0x690 [ 274.751137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.755369] call_timer_fn+0x272/0x920 [ 274.759246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.763472] ? process_timeout+0x40/0x40 [ 274.767541] ? trace_hardirqs_off+0xb8/0x310 [ 274.771942] ? kasan_check_read+0x11/0x20 [ 274.776084] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.780485] ? trace_hardirqs_on+0x310/0x310 [ 274.784890] ? __run_timers+0x7da/0xc70 [ 274.788852] ? lock_downgrade+0x900/0x900 [ 274.792994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.798086] ? trace_hardirqs_on+0xbd/0x310 [ 274.802397] ? kasan_check_read+0x11/0x20 [ 274.806540] ? __run_timers+0x7da/0xc70 [ 274.810513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.815956] ? kasan_check_write+0x14/0x20 [ 274.820179] ? do_raw_spin_lock+0xc1/0x200 [ 274.824406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.828647] __run_timers+0x7e5/0xc70 [ 274.832464] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.837844] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.842870] ? timerqueue_add+0x207/0x2b0 [ 274.847023] ? enqueue_hrtimer+0x1a5/0x560 [ 274.851246] ? lock_release+0x970/0x970 [ 274.855213] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.860394] ? kasan_check_write+0x14/0x20 [ 274.864623] ? pvclock_read_flags+0x160/0x160 [ 274.869112] ? lock_downgrade+0x900/0x900 [ 274.873253] ? trace_hardirqs_on+0xbd/0x310 [ 274.877564] ? kvm_sched_clock_read+0x9/0x20 [ 274.881968] ? irq_exit+0x17f/0x1c0 [ 274.885587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.891118] ? check_preemption_disabled+0x48/0x200 [ 274.896123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.901655] run_timer_softirq+0x52/0xb0 [ 274.905706] ? __this_cpu_preempt_check+0x1c/0x1f [ 274.910547] __do_softirq+0x30b/0xad8 [ 274.914340] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.919433] ? pvclock_read_flags+0x160/0x160 [ 274.923920] ? lapic_next_event+0x5a/0x90 [ 274.928057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.933587] ? clockevents_program_event+0x140/0x370 [ 274.938685] ? kvm_clock_read+0x18/0x30 [ 274.942647] ? kvm_sched_clock_read+0x9/0x20 [ 274.947047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.952577] ? check_preemption_disabled+0x48/0x200 [ 274.957587] irq_exit+0x17f/0x1c0 [ 274.961029] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.965859] ? smp_reschedule_interrupt+0x109/0x650 [ 274.970865] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.976745] ? interrupt_entry+0xb5/0xf0 [ 274.980797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.985803] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.990817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.995652] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.000660] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.005666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.011194] ? check_preemption_disabled+0x48/0x200 [ 275.016205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.021045] apic_timer_interrupt+0xf/0x20 [ 275.025263] [ 275.027500] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 275.032426] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 275.051332] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.059034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 275.066294] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 275.073553] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 275.080938] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 275.088284] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 275.095568] ? trace_hardirqs_on+0xb4/0x310 [ 275.099885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.105419] skb_clone+0x1bb/0x500 [ 275.109393] ? finish_task_switch+0x2f5/0x900 [ 275.113877] ? skb_split+0x11e0/0x11e0 [ 275.117769] ? preempt_notifier_register+0x200/0x200 [ 275.122859] ? __switch_to_asm+0x34/0x70 [ 275.126913] ? __switch_to_asm+0x34/0x70 [ 275.130960] ? __switch_to_asm+0x40/0x70 [ 275.135010] ? __switch_to_asm+0x34/0x70 [ 275.139059] ? __switch_to_asm+0x40/0x70 [ 275.143107] ? __switch_to_asm+0x34/0x70 [ 275.147159] ? __switch_to_asm+0x40/0x70 [ 275.151210] ? __switch_to_asm+0x34/0x70 [ 275.155261] ? __switch_to_asm+0x34/0x70 [ 275.159311] ? __switch_to_asm+0x40/0x70 [ 275.163360] ? __switch_to_asm+0x34/0x70 [ 275.167414] bpf_clone_redirect+0xb9/0x490 [ 275.171660] ? __schedule+0x874/0x1ed0 [ 275.175552] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 275.180480] ? __sched_text_start+0x8/0x8 [ 275.184622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.189372] ? retint_kernel+0x2d/0x2d [ 275.193272] ? lock_acquire+0x1ed/0x520 [ 275.197237] ? bpf_test_run+0x32e/0x5a0 [ 275.201204] ? lock_release+0x970/0x970 [ 275.205166] ? preempt_schedule+0x4d/0x60 [ 275.209303] ? preempt_schedule_common+0x1f/0xd0 [ 275.214048] ? preempt_schedule+0x4d/0x60 [ 275.218185] ? ___preempt_schedule+0x16/0x18 [ 275.222589] ? bpf_test_run+0x1c0/0x5a0 [ 275.226560] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.230959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.236498] ? bpf_test_init.isra.9+0x70/0x100 [ 275.241073] ? bpf_prog_test_run_skb+0x634/0xb40 [ 275.245820] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.250652] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.256180] ? fput+0x130/0x1a0 [ 275.259449] ? __bpf_prog_get+0x9b/0x290 [ 275.263510] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.268343] ? bpf_prog_test_run+0x130/0x1a0 [ 275.272741] ? __x64_sys_bpf+0x3d8/0x510 [ 275.276797] ? bpf_prog_get+0x20/0x20 [ 275.280599] ? do_syscall_64+0x1b9/0x820 [ 275.284664] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.290018] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.294937] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.299940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.304944] ? recalc_sigpending_tsk+0x180/0x180 [ 275.309690] ? kasan_check_write+0x14/0x20 [ 275.313918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.318886] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.324244] warn_alloc_show_mem: 1 callbacks suppressed [ 275.324253] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 275.324255] Mem-Info: [ 275.324283] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 275.324283] active_file:16 inactive_file:17 isolated_file:0 [ 275.324283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.324283] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 275.324283] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 275.324283] free:13792 free_pcp:309 free_cma:0 [ 275.329612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.336445] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.338831] Call Trace: [ 275.371956] Node 0 [ 275.381300] dump_stack+0x1c4/0x2b4 [ 275.409130] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 275.411689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.413893] lowmem_reserve[]: [ 275.417508] ? isolate_lru_page+0x22e0/0x22e0 [ 275.443201] 0 [ 275.448376] warn_alloc.cold.119+0xb7/0x1bd [ 275.452695] 2819 6323 [ 275.458541] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.460308] 6323 [ 275.464615] ? lock_downgrade+0x900/0x900 [ 275.472006] ? trace_hardirqs_off+0xb8/0x310 [ 275.474037] Node 0 [ 275.478166] ? trace_hardirqs_off+0xb8/0x310 [ 275.482563] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 275.484767] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.489142] lowmem_reserve[]: [ 275.516701] ? mark_held_locks+0x130/0x130 [ 275.521503] 0 [ 275.524606] ? warn_alloc+0x120/0x120 [ 275.528805] 0 [ 275.530594] ? warn_alloc+0x120/0x120 [ 275.534362] 3503 [ 275.536661] ? warn_alloc+0x120/0x120 [ 275.540431] 3503 [ 275.542503] ? mark_held_locks+0x130/0x130 [ 275.548321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.552522] Node 0 [ 275.558035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.558066] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 275.560265] ? should_fail+0x22d/0xd01 [ 275.565765] lowmem_reserve[]: [ 275.594632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.598501] 0 [ 275.601596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.606664] 0 [ 275.608455] ? should_fail+0x22d/0xd01 [ 275.613958] 0 0 [ 275.615755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.619611] Node 0 [ 275.621573] ? should_fail+0x22d/0xd01 [ 275.626652] DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 275.626716] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 275.626769] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 275.626830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.626836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.626839] 4986 total pagecache pages [ 275.626843] 0 pages in swap cache [ 275.626848] Swap cache stats: add 0, delete 0, find 0/0 [ 275.626850] Free swap = 0kB [ 275.626852] Total swap = 0kB [ 275.626855] 1965979 pages RAM [ 275.626857] 0 pages HighMem/MovableOnly [ 275.626860] 342307 pages reserved [ 275.626862] 0 pages cma reserved [ 275.626919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.626958] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.626963] syz-executor4 cpuset=syz4 [ 275.630519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.634376] mems_allowed=0 [ 275.647780] ? mark_held_locks+0x130/0x130 [ 275.764394] ? mark_held_locks+0x130/0x130 [ 275.768626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.774155] ? trace_hardirqs_off+0xb8/0x310 [ 275.778550] ? kasan_check_read+0x11/0x20 [ 275.782686] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.787083] ? trace_hardirqs_on+0x310/0x310 [ 275.791479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.797004] ? wq_watchdog_touch+0x9c/0xfe [ 275.801227] ? io_serial_in+0x11/0x90 [ 275.805020] ? retint_kernel+0x2d/0x2d [ 275.808898] ? trace_hardirqs_on_caller+0xc0/0x310 [ 275.813821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.818568] ? trace_hardirqs_off+0x310/0x310 [ 275.823051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.828154] __alloc_pages_nodemask+0xa80/0xde0 [ 275.832813] ? should_fail+0x22d/0xd01 [ 275.836691] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.841708] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.846365] ? lock_downgrade+0x900/0x900 [ 275.850506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.856036] cache_grow_begin+0x91/0x8c0 [ 275.860090] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.864495] fallback_alloc+0x203/0x2e0 [ 275.868462] ____cache_alloc_node+0x1c7/0x1e0 [ 275.872955] kmem_cache_alloc_node+0xe3/0x730 [ 275.877440] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.881671] __alloc_skb+0x119/0x770 [ 275.886279] ? skb_scrub_packet+0x490/0x490 [ 275.893146] ? lock_downgrade+0x900/0x900 [ 275.897286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.902812] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.908763] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.914205] ? addrconf_rs_timer+0x690/0x690 [ 275.918609] ndisc_alloc_skb+0x144/0x340 [ 275.922661] ndisc_send_rs+0x331/0x6e0 [ 275.926541] addrconf_rs_timer+0x314/0x690 [ 275.930764] ? lock_release+0x970/0x970 [ 275.934736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.939425] call_timer_fn+0x272/0x920 [ 275.943300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.947526] ? process_timeout+0x40/0x40 [ 275.952094] ? kasan_check_read+0x11/0x20 [ 275.956233] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.960629] ? trace_hardirqs_on+0x310/0x310 [ 275.965027] ? __run_timers+0x7da/0xc70 [ 275.969488] ? lock_downgrade+0x900/0x900 [ 275.973625] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.978720] ? trace_hardirqs_on+0xbd/0x310 [ 275.984017] ? kasan_check_read+0x11/0x20 [ 275.988168] ? __run_timers+0x7da/0xc70 [ 275.992133] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.999788] ? kasan_check_write+0x14/0x20 [ 276.004521] ? do_raw_spin_lock+0xc1/0x200 [ 276.008748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.012979] __run_timers+0x7e5/0xc70 [ 276.016779] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.022129] ? compat_start_thread+0x80/0x80 [ 276.026530] ? dequeue_entity+0x1770/0x1770 [ 276.030840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.036365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.042406] ? kasan_check_write+0x14/0x20 [ 276.046632] ? finish_task_switch+0x2f5/0x900 [ 276.051966] ? __switch_to_asm+0x40/0x70 [ 276.056024] ? preempt_notifier_register+0x200/0x200 [ 276.061115] ? __switch_to_asm+0x34/0x70 [ 276.065163] ? __switch_to_asm+0x40/0x70 [ 276.069209] ? __switch_to_asm+0x34/0x70 [ 276.073260] ? __switch_to_asm+0x40/0x70 [ 276.077310] ? __switch_to_asm+0x34/0x70 [ 276.081361] ? __switch_to_asm+0x40/0x70 [ 276.085426] ? pvclock_read_flags+0x160/0x160 [ 276.089911] ? __schedule+0x874/0x1ed0 [ 276.093793] ? run_rebalance_domains+0x38d/0x500 [ 276.098955] ? trace_hardirqs_on+0xbd/0x310 [ 276.103264] ? kvm_sched_clock_read+0x9/0x20 [ 276.107662] ? run_ksoftirqd+0x94/0x100 [ 276.111937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.117468] ? check_preemption_disabled+0x48/0x200 [ 276.122474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.128005] run_timer_softirq+0x52/0xb0 [ 276.132060] ? __this_cpu_preempt_check+0x1c/0x1f [ 276.136891] __do_softirq+0x30b/0xad8 [ 276.140692] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.146261] ? trace_hardirqs_off+0xb8/0x310 [ 276.150662] ? schedule+0x108/0x460 [ 276.154291] ? __schedule+0x1ed0/0x1ed0 [ 276.158256] ? run_ksoftirqd+0x99/0x100 [ 276.162220] ? trace_hardirqs_off+0xb8/0x310 [ 276.166617] ? ___might_sleep+0x1ed/0x300 [ 276.170758] ? smpboot_thread_fn+0x68b/0xa00 [ 276.175155] ? trace_hardirqs_on+0x310/0x310 [ 276.179551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.185076] ? check_preemption_disabled+0x48/0x200 [ 276.190084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.195611] ? takeover_tasklets+0xa90/0xa90 [ 276.200014] run_ksoftirqd+0x94/0x100 [ 276.203802] smpboot_thread_fn+0x68b/0xa00 [ 276.208029] ? sort_range+0x30/0x30 [ 276.211644] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.216737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.222265] ? __kthread_parkme+0xfb/0x1a0 [ 276.226494] kthread+0x35a/0x420 [ 276.229847] ? sort_range+0x30/0x30 [ 276.233460] ? kthread_bind+0x40/0x40 [ 276.237267] ret_from_fork+0x3a/0x50 [ 276.240983] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 276.241049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.248267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.254972] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.264246] Call Trace: [ 276.274533] ksoftirqd/1 cpuset= [ 276.277445] [ 276.277454] / [ 276.280724] dump_stack+0x1c4/0x2b4 [ 276.282847] mems_allowed=0 [ 276.284556] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.296759] warn_alloc.cold.119+0xb7/0x1bd [ 276.301069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.305904] ? lock_downgrade+0x900/0x900 [ 276.310045] ? trace_hardirqs_off+0xb8/0x310 [ 276.314445] ? trace_hardirqs_off+0xb8/0x310 [ 276.318846] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.323688] ? warn_alloc+0x120/0x120 [ 276.327479] ? warn_alloc+0x120/0x120 [ 276.331270] ? warn_alloc+0x120/0x120 [ 276.335071] ? lock_release+0x970/0x970 [ 276.339034] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.344213] ? trace_hardirqs_on+0x310/0x310 [ 276.348614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.354143] ? should_fail+0x22d/0xd01 [ 276.358045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.363139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.368666] ? should_fail+0x22d/0xd01 [ 276.372562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.377654] ? should_fail+0x22d/0xd01 [ 276.381532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.386629] ? mark_held_locks+0x130/0x130 [ 276.390854] ? mark_held_locks+0x130/0x130 [ 276.395089] ? kvm_clock_read+0x18/0x30 [ 276.399054] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.404056] ? ktime_get+0x2e1/0x440 [ 276.407761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.413286] ? check_preemption_disabled+0x48/0x200 [ 276.418291] ? kasan_check_read+0x11/0x20 [ 276.422434] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.427717] ? rcu_bh_qs+0xc0/0xc0 [ 276.431249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.436775] ? check_preemption_disabled+0x48/0x200 [ 276.441776] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.446778] ? widen_string+0xe0/0x2e0 [ 276.450827] __alloc_pages_nodemask+0xa80/0xde0 [ 276.455484] ? should_fail+0x22d/0xd01 [ 276.459368] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.464401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.472101] ? lock_downgrade+0x900/0x900 [ 276.476245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.481778] cache_grow_begin+0x91/0x8c0 [ 276.485829] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.490227] fallback_alloc+0x203/0x2e0 [ 276.494197] ____cache_alloc_node+0x1c7/0x1e0 [ 276.498688] kmem_cache_alloc_node+0xe3/0x730 [ 276.503172] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.507406] __alloc_skb+0x119/0x770 [ 276.511107] ? skb_scrub_packet+0x490/0x490 [ 276.515424] ? lock_downgrade+0x900/0x900 [ 276.519567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.525094] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.530534] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.535974] ? addrconf_rs_timer+0x690/0x690 [ 276.540386] ndisc_alloc_skb+0x144/0x340 [ 276.544464] ndisc_send_rs+0x331/0x6e0 [ 276.548344] addrconf_rs_timer+0x314/0x690 [ 276.552670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.556908] call_timer_fn+0x272/0x920 [ 276.560787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.565012] ? process_timeout+0x40/0x40 [ 276.569064] ? trace_hardirqs_off+0xb8/0x310 [ 276.573461] ? kasan_check_read+0x11/0x20 [ 276.577598] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.581994] ? trace_hardirqs_on+0x310/0x310 [ 276.586395] ? __run_timers+0x7da/0xc70 [ 276.590382] ? lock_downgrade+0x900/0x900 [ 276.594522] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.599612] ? trace_hardirqs_on+0xbd/0x310 [ 276.603920] ? kasan_check_read+0x11/0x20 [ 276.608058] ? __run_timers+0x7da/0xc70 [ 276.612021] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.617483] ? kasan_check_write+0x14/0x20 [ 276.621713] ? do_raw_spin_lock+0xc1/0x200 [ 276.625944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.630168] __run_timers+0x7e5/0xc70 [ 276.633965] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.639318] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.644337] ? timerqueue_add+0x207/0x2b0 [ 276.648505] ? enqueue_hrtimer+0x1a5/0x560 [ 276.652728] ? lock_release+0x970/0x970 [ 276.656693] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.661873] ? kasan_check_write+0x14/0x20 [ 276.666105] ? pvclock_read_flags+0x160/0x160 [ 276.670587] ? lock_downgrade+0x900/0x900 [ 276.674815] ? trace_hardirqs_on+0xbd/0x310 [ 276.679125] ? kvm_sched_clock_read+0x9/0x20 [ 276.683537] ? irq_exit+0x17f/0x1c0 [ 276.687158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.692690] ? check_preemption_disabled+0x48/0x200 [ 276.697695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.703223] run_timer_softirq+0x52/0xb0 [ 276.707274] ? __this_cpu_preempt_check+0x1c/0x1f [ 276.712108] __do_softirq+0x30b/0xad8 [ 276.715902] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.720998] ? pvclock_read_flags+0x160/0x160 [ 276.725482] ? lapic_next_event+0x5a/0x90 [ 276.729618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.735146] ? clockevents_program_event+0x140/0x370 [ 276.740241] ? kvm_clock_read+0x18/0x30 [ 276.744203] ? kvm_sched_clock_read+0x9/0x20 [ 276.748600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.754125] ? check_preemption_disabled+0x48/0x200 [ 276.759135] irq_exit+0x17f/0x1c0 [ 276.762577] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.767407] ? smp_reschedule_interrupt+0x109/0x650 [ 276.772416] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.778292] ? interrupt_entry+0xb5/0xf0 [ 276.782351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.787364] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.792379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.797212] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.802238] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.807245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.812773] ? check_preemption_disabled+0x48/0x200 [ 276.817785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.822620] apic_timer_interrupt+0xf/0x20 [ 276.826839] [ 276.829068] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.833986] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 276.852876] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.860574] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 276.867832] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 276.875088] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 276.882353] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 276.889610] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 276.896884] ? trace_hardirqs_on+0xb4/0x310 [ 276.901207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.906754] skb_clone+0x1bb/0x500 [ 276.910285] ? finish_task_switch+0x2f5/0x900 [ 276.914790] ? skb_split+0x11e0/0x11e0 [ 276.918672] ? preempt_notifier_register+0x200/0x200 [ 276.923766] ? __switch_to_asm+0x34/0x70 [ 276.927814] ? __switch_to_asm+0x34/0x70 [ 276.931860] ? __switch_to_asm+0x40/0x70 [ 276.935907] ? __switch_to_asm+0x34/0x70 [ 276.939960] ? __switch_to_asm+0x40/0x70 [ 276.944011] ? __switch_to_asm+0x34/0x70 [ 276.948062] ? __switch_to_asm+0x40/0x70 [ 276.952113] ? __switch_to_asm+0x34/0x70 [ 276.956166] ? __switch_to_asm+0x34/0x70 [ 276.960216] ? __switch_to_asm+0x40/0x70 [ 276.964269] ? __switch_to_asm+0x34/0x70 [ 276.968334] bpf_clone_redirect+0xb9/0x490 [ 276.972569] ? __schedule+0x874/0x1ed0 [ 276.976449] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 276.981371] ? __sched_text_start+0x8/0x8 [ 276.985510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.990256] ? retint_kernel+0x2d/0x2d [ 276.994137] ? lock_acquire+0x1ed/0x520 [ 276.998099] ? bpf_test_run+0x32e/0x5a0 [ 277.002064] ? lock_release+0x970/0x970 [ 277.006028] ? preempt_schedule+0x4d/0x60 [ 277.010166] ? preempt_schedule_common+0x1f/0xd0 [ 277.014916] ? preempt_schedule+0x4d/0x60 [ 277.019056] ? ___preempt_schedule+0x16/0x18 [ 277.023455] ? bpf_test_run+0x1c0/0x5a0 [ 277.027426] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.031826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.037360] ? bpf_test_init.isra.9+0x70/0x100 [ 277.041933] ? bpf_prog_test_run_skb+0x634/0xb40 [ 277.046682] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.051518] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.057044] ? fput+0x130/0x1a0 [ 277.060327] ? __bpf_prog_get+0x9b/0x290 [ 277.064497] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.069338] ? bpf_prog_test_run+0x130/0x1a0 [ 277.073742] ? __x64_sys_bpf+0x3d8/0x510 [ 277.077793] ? bpf_prog_get+0x20/0x20 [ 277.081595] ? do_syscall_64+0x1b9/0x820 [ 277.085657] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.091012] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.095932] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.100952] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.105959] ? recalc_sigpending_tsk+0x180/0x180 [ 277.111127] ? kasan_check_write+0x14/0x20 [ 277.115480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.120333] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.125835] warn_alloc_show_mem: 1 callbacks suppressed [ 277.125845] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 277.125846] Mem-Info: [ 277.125876] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 277.125876] active_file:16 inactive_file:17 isolated_file:0 [ 277.125876] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.125876] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 277.125876] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 277.125876] free:13792 free_pcp:309 free_cma:0 [ 277.131203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.131210] Call Trace: [ 277.138046] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.140441] dump_stack+0x1c4/0x2b4 [ 277.173475] Node 0 [ 277.182829] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.185402] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.213213] ? isolate_lru_page+0x22e0/0x22e0 [ 277.216808] lowmem_reserve[]: [ 277.219040] warn_alloc.cold.119+0xb7/0x1bd [ 277.224212] 0 [ 277.249801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.254265] 2819 [ 277.257355] ? lock_downgrade+0x900/0x900 [ 277.261638] 6323 6323 [ 277.263437] ? trace_hardirqs_off+0xb8/0x310 [ 277.270387] ? trace_hardirqs_off+0xb8/0x310 [ 277.274501] Node 0 [ 277.276997] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.281394] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 277.285773] ? mark_held_locks+0x130/0x130 [ 277.287973] lowmem_reserve[]: [ 277.292810] ? warn_alloc+0x120/0x120 [ 277.319763] 0 [ 277.323989] ? warn_alloc+0x120/0x120 [ 277.327058] 0 [ 277.330842] ? warn_alloc+0x120/0x120 [ 277.332611] 3503 [ 277.336395] ? mark_held_locks+0x130/0x130 [ 277.338167] 3503 [ 277.341954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.348202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.350234] Node 0 [ 277.355757] ? should_fail+0x22d/0xd01 [ 277.361288] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 277.363488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.367343] lowmem_reserve[]: [ 277.395944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.401015] 0 [ 277.404104] ? should_fail+0x22d/0xd01 [ 277.409606] 0 [ 277.411396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.415250] 0 [ 277.417039] ? should_fail+0x22d/0xd01 [ 277.422110] 0 [ 277.423897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.429538] ? mark_held_locks+0x130/0x130 [ 277.434607] Node 0 DMA: [ 277.438824] ? mark_held_locks+0x130/0x130 [ 277.438840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.441479] 1*4kB [ 277.445698] ? trace_hardirqs_off+0xb8/0x310 [ 277.452282] (U) 0*8kB [ 277.457316] ? kasan_check_read+0x11/0x20 [ 277.461700] 0*16kB [ 277.464186] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.468305] 1*32kB [ 277.470522] ? trace_hardirqs_on+0x310/0x310 [ 277.474894] (U) [ 277.477132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.481506] 2*64kB [ 277.483466] ? wq_watchdog_touch+0x9c/0xfe [ 277.488971] (U) [ 277.491197] ? io_serial_in+0x11/0x90 [ 277.495400] 1*128kB [ 277.497359] ? retint_kernel+0x2d/0x2d [ 277.501124] (U) [ 277.503433] ? trace_hardirqs_on_caller+0xc0/0x310 [ 277.507298] 1*256kB [ 277.509255] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.514148] (U) [ 277.516458] ? trace_hardirqs_off+0x310/0x310 [ 277.521179] 0*512kB [ 277.523137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.527602] 1*1024kB [ 277.529925] __alloc_pages_nodemask+0xa80/0xde0 [ 277.534994] (U) [ 277.537391] ? should_fail+0x22d/0xd01 [ 277.542024] 1*2048kB [ 277.544002] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.547854] (M) [ 277.550260] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.555236] 3*4096kB (M) [ 277.557202] ? lock_downgrade+0x900/0x900 [ 277.561836] = 15908kB [ 277.564594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.568708] Node 0 [ 277.571107] cache_grow_begin+0x91/0x8c0 [ 277.576606] DMA32: 6*4kB [ 277.578838] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.582864] (UME) [ 277.585612] fallback_alloc+0x203/0x2e0 [ 277.589992] 2*8kB (UE) [ 277.592132] ____cache_alloc_node+0x1c7/0x1e0 [ 277.596076] 4*16kB [ 277.598643] kmem_cache_alloc_node+0xe3/0x730 [ 277.603106] (UME) [ 277.605331] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.609794] 4*32kB [ 277.611934] __alloc_skb+0x119/0x770 [ 277.616137] (UME) [ 277.618359] ? skb_scrub_packet+0x490/0x490 [ 277.622043] 5*64kB [ 277.624189] ? lock_downgrade+0x900/0x900 [ 277.628471] (ME) 5*128kB [ 277.630700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.634809] (UME) 4*256kB [ 277.638012] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.643603] (ME) [ 277.646437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.651856] 5*512kB [ 277.653904] ? addrconf_rs_timer+0x690/0x690 [ 277.659321] (UME) [ 277.661636] ndisc_alloc_skb+0x144/0x340 [ 277.666006] 4*1024kB [ 277.668141] ndisc_send_rs+0x331/0x6e0 [ 277.672180] (UME) [ 277.674577] addrconf_rs_timer+0x314/0x690 [ 277.678427] 2*2048kB (ME) [ 277.680580] ? lock_release+0x970/0x970 [ 277.684786] 3*4096kB [ 277.687617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.691573] (M) [ 277.694448] call_timer_fn+0x272/0x920 [ 277.698656] = 25256kB [ 277.700620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.704485] Node 0 [ 277.706879] ? process_timeout+0x40/0x40 [ 277.711080] Normal: [ 277.713303] ? kasan_check_read+0x11/0x20 [ 277.717334] 1063*4kB [ 277.720091] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.724205] (UMEH) [ 277.726603] ? trace_hardirqs_on+0x310/0x310 [ 277.730980] 420*8kB [ 277.733213] ? __run_timers+0x7da/0xc70 [ 277.737590] (UME) [ 277.739903] ? lock_downgrade+0x900/0x900 [ 277.743845] 170*16kB [ 277.745981] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.750093] (UMEH) [ 277.753432] ? trace_hardirqs_on+0xbd/0x310 [ 277.758503] 65*32kB [ 277.760725] ? kasan_check_read+0x11/0x20 [ 277.765008] (UME) 9*64kB [ 277.767326] ? __run_timers+0x7da/0xc70 [ 277.771435] (UM) 0*128kB [ 277.774187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.778545] 0*256kB [ 277.781785] ? kasan_check_write+0x14/0x20 [ 277.787197] 0*512kB 1*1024kB [ 277.789513] ? do_raw_spin_lock+0xc1/0x200 [ 277.794582] (H) [ 277.797686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.801880] 0*2048kB 0*4096kB [ 277.803850] __run_timers+0x7e5/0xc70 [ 277.808054] = 14012kB [ 277.811235] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.815011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.817393] ? compat_start_thread+0x80/0x80 [ 277.817407] ? dequeue_entity+0x1770/0x1770 [ 277.822744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.831574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.835948] 4986 total pagecache pages [ 277.840260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.848811] 0 pages in swap cache [ 277.855768] ? kasan_check_write+0x14/0x20 [ 277.859629] Swap cache stats: add 0, delete 0, find 0/0 [ 277.865146] ? finish_task_switch+0x2f5/0x900 [ 277.868568] Free swap = 0kB [ 277.872800] ? __switch_to_asm+0x40/0x70 [ 277.878125] Total swap = 0kB [ 277.878133] 1965979 pages RAM [ 277.882612] ? preempt_notifier_register+0x200/0x200 [ 277.885596] 0 pages HighMem/MovableOnly [ 277.889656] ? __switch_to_asm+0x34/0x70 [ 277.892640] 342307 pages reserved [ 277.895726] ? __switch_to_asm+0x40/0x70 [ 277.900799] 0 pages cma reserved [ 277.904757] ? __switch_to_asm+0x34/0x70 [ 277.908832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.912218] ? __switch_to_asm+0x40/0x70 [ 277.912228] ? __switch_to_asm+0x34/0x70 [ 277.912249] ? __switch_to_asm+0x40/0x70 [ 277.916339] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.919938] ? pvclock_read_flags+0x160/0x160 [ 277.923985] syz-executor4 cpuset= [ 277.930973] ? __schedule+0x874/0x1ed0 [ 277.935003] syz4 [ 277.939050] ? run_rebalance_domains+0x38d/0x500 [ 277.943081] mems_allowed=0 [ 277.954059] ? trace_hardirqs_on+0xbd/0x310 [ 277.979720] ? kvm_sched_clock_read+0x9/0x20 [ 277.984145] ? run_ksoftirqd+0x94/0x100 [ 277.988634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.994166] ? check_preemption_disabled+0x48/0x200 [ 277.999674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.005210] run_timer_softirq+0x52/0xb0 [ 278.009276] ? __this_cpu_preempt_check+0x1c/0x1f [ 278.014629] __do_softirq+0x30b/0xad8 [ 278.018428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.023521] ? trace_hardirqs_off+0xb8/0x310 [ 278.027926] ? schedule+0x108/0x460 [ 278.031547] ? __schedule+0x1ed0/0x1ed0 [ 278.035511] ? run_ksoftirqd+0x99/0x100 [ 278.039478] ? trace_hardirqs_off+0xb8/0x310 [ 278.043880] ? ___might_sleep+0x1ed/0x300 [ 278.048020] ? smpboot_thread_fn+0x68b/0xa00 [ 278.052419] ? trace_hardirqs_on+0x310/0x310 [ 278.056818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.062356] ? check_preemption_disabled+0x48/0x200 [ 278.067363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.072892] ? takeover_tasklets+0xa90/0xa90 [ 278.077291] run_ksoftirqd+0x94/0x100 [ 278.081085] smpboot_thread_fn+0x68b/0xa00 [ 278.085796] ? sort_range+0x30/0x30 [ 278.089561] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.095261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.100793] ? __kthread_parkme+0xfb/0x1a0 [ 278.105020] kthread+0x35a/0x420 [ 278.108783] ? sort_range+0x30/0x30 [ 278.112404] ? kthread_bind+0x40/0x40 [ 278.116195] ret_from_fork+0x3a/0x50 [ 278.119920] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 278.119969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.127184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.127188] Call Trace: [ 278.127193] [ 278.127207] dump_stack+0x1c4/0x2b4 [ 278.127232] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.133757] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.143039] warn_alloc.cold.119+0xb7/0x1bd [ 278.145887] ksoftirqd/1 cpuset= [ 278.148027] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.151619] / [ 278.156793] ? lock_downgrade+0x900/0x900 [ 278.167078] mems_allowed=0 [ 278.171386] ? trace_hardirqs_off+0xb8/0x310 [ 278.192575] ? trace_hardirqs_off+0xb8/0x310 [ 278.196978] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.201825] ? warn_alloc+0x120/0x120 [ 278.205617] ? warn_alloc+0x120/0x120 [ 278.209412] ? warn_alloc+0x120/0x120 [ 278.213202] ? mark_held_locks+0x130/0x130 [ 278.217441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.222971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.228524] ? should_fail+0x22d/0xd01 [ 278.232407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.237500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.243026] ? should_fail+0x22d/0xd01 [ 278.246905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.251997] ? should_fail+0x22d/0xd01 [ 278.255878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.260971] ? mark_held_locks+0x130/0x130 [ 278.265196] ? mark_held_locks+0x130/0x130 [ 278.269426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.274959] ? trace_hardirqs_off+0xb8/0x310 [ 278.279698] ? kasan_check_read+0x11/0x20 [ 278.283842] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.288246] ? trace_hardirqs_on+0x310/0x310 [ 278.292641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.298169] ? wq_watchdog_touch+0x9c/0xfe [ 278.302395] ? io_serial_in+0x11/0x90 [ 278.306182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.311718] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.316817] __alloc_pages_nodemask+0xa80/0xde0 [ 278.321476] ? should_fail+0x22d/0xd01 [ 278.325354] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.330371] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.335124] ? lock_downgrade+0x900/0x900 [ 278.339282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.344810] cache_grow_begin+0x91/0x8c0 [ 278.348862] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.353262] fallback_alloc+0x203/0x2e0 [ 278.357236] ____cache_alloc_node+0x1c7/0x1e0 [ 278.361725] kmem_cache_alloc_node+0xe3/0x730 [ 278.366219] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.370452] __alloc_skb+0x119/0x770 [ 278.374154] ? skb_scrub_packet+0x490/0x490 [ 278.378494] ? lock_downgrade+0x900/0x900 [ 278.382633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.388163] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.393623] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.399062] ? addrconf_rs_timer+0x690/0x690 [ 278.403465] ndisc_alloc_skb+0x144/0x340 [ 278.407517] ndisc_send_rs+0x331/0x6e0 [ 278.411414] addrconf_rs_timer+0x314/0x690 [ 278.415644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.419874] call_timer_fn+0x272/0x920 [ 278.423750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.427974] ? process_timeout+0x40/0x40 [ 278.432027] ? trace_hardirqs_off+0xb8/0x310 [ 278.436420] ? kasan_check_read+0x11/0x20 [ 278.440557] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.444958] ? trace_hardirqs_on+0x310/0x310 [ 278.451234] ? __run_timers+0x7da/0xc70 [ 278.455202] ? lock_downgrade+0x900/0x900 [ 278.459347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.464444] ? trace_hardirqs_on+0xbd/0x310 [ 278.469621] ? kasan_check_read+0x11/0x20 [ 278.473761] ? __run_timers+0x7da/0xc70 [ 278.477725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.483469] ? kasan_check_write+0x14/0x20 [ 278.487693] ? do_raw_spin_lock+0xc1/0x200 [ 278.492027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.496249] __run_timers+0x7e5/0xc70 [ 278.500046] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.505579] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.510590] ? timerqueue_add+0x207/0x2b0 [ 278.514731] ? enqueue_hrtimer+0x1a5/0x560 [ 278.520040] ? lock_release+0x970/0x970 [ 278.524006] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.529197] ? kasan_check_write+0x14/0x20 [ 278.533430] ? pvclock_read_flags+0x160/0x160 [ 278.538500] ? lock_downgrade+0x900/0x900 [ 278.542771] ? trace_hardirqs_on+0xbd/0x310 [ 278.547100] ? kvm_sched_clock_read+0x9/0x20 [ 278.551501] ? irq_exit+0x17f/0x1c0 [ 278.555122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.560653] ? check_preemption_disabled+0x48/0x200 [ 278.565655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.571194] run_timer_softirq+0x52/0xb0 [ 278.575301] ? __this_cpu_preempt_check+0x1c/0x1f [ 278.580129] __do_softirq+0x30b/0xad8 [ 278.583925] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.589019] ? pvclock_read_flags+0x160/0x160 [ 278.593503] ? lapic_next_event+0x5a/0x90 [ 278.597640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.603167] ? clockevents_program_event+0x140/0x370 [ 278.608271] ? kvm_clock_read+0x18/0x30 [ 278.612236] ? kvm_sched_clock_read+0x9/0x20 [ 278.616633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.622162] ? check_preemption_disabled+0x48/0x200 [ 278.627245] irq_exit+0x17f/0x1c0 [ 278.630690] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.635522] ? smp_reschedule_interrupt+0x109/0x650 [ 278.640530] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.646407] ? interrupt_entry+0xb5/0xf0 [ 278.650457] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.655461] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.660468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.665298] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.670303] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.675310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.680837] ? check_preemption_disabled+0x48/0x200 [ 278.685855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.690693] apic_timer_interrupt+0xf/0x20 [ 278.694912] [ 278.697159] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.702091] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 278.720981] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.728678] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 278.735942] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 278.743207] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 278.750464] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 278.757720] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 278.764990] ? trace_hardirqs_on+0xb4/0x310 [ 278.769305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.774834] skb_clone+0x1bb/0x500 [ 278.778360] ? finish_task_switch+0x2f5/0x900 [ 278.782840] ? skb_split+0x11e0/0x11e0 [ 278.786718] ? preempt_notifier_register+0x200/0x200 [ 278.791810] ? __switch_to_asm+0x34/0x70 [ 278.795860] ? __switch_to_asm+0x34/0x70 [ 278.799911] ? __switch_to_asm+0x40/0x70 [ 278.803961] ? __switch_to_asm+0x34/0x70 [ 278.808011] ? __switch_to_asm+0x40/0x70 [ 278.812061] ? __switch_to_asm+0x34/0x70 [ 278.816112] ? __switch_to_asm+0x40/0x70 [ 278.820169] ? __switch_to_asm+0x34/0x70 [ 278.824358] ? __switch_to_asm+0x34/0x70 [ 278.828425] ? __switch_to_asm+0x40/0x70 [ 278.832475] ? __switch_to_asm+0x34/0x70 [ 278.836534] bpf_clone_redirect+0xb9/0x490 [ 278.840761] ? __schedule+0x874/0x1ed0 [ 278.844639] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 278.849575] ? __sched_text_start+0x8/0x8 [ 278.853716] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.858465] ? retint_kernel+0x2d/0x2d [ 278.862349] ? lock_acquire+0x1ed/0x520 [ 278.866316] ? bpf_test_run+0x32e/0x5a0 [ 278.870282] ? lock_release+0x970/0x970 [ 278.874246] ? preempt_schedule+0x4d/0x60 [ 278.878384] ? preempt_schedule_common+0x1f/0xd0 [ 278.883158] ? preempt_schedule+0x4d/0x60 [ 278.887299] ? ___preempt_schedule+0x16/0x18 [ 278.891701] ? bpf_test_run+0x1c0/0x5a0 [ 278.895667] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.900068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.905592] ? bpf_test_init.isra.9+0x70/0x100 [ 278.910169] ? bpf_prog_test_run_skb+0x634/0xb40 [ 278.914921] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.919754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.925281] ? fput+0x130/0x1a0 [ 278.928552] ? __bpf_prog_get+0x9b/0x290 [ 278.932603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.937434] ? bpf_prog_test_run+0x130/0x1a0 [ 278.941834] ? __x64_sys_bpf+0x3d8/0x510 [ 278.945897] ? bpf_prog_get+0x20/0x20 [ 278.949700] ? do_syscall_64+0x1b9/0x820 [ 278.953750] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.959103] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.964024] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.969030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.974042] ? recalc_sigpending_tsk+0x180/0x180 [ 278.978789] ? kasan_check_write+0x14/0x20 [ 278.983015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.987853] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.993208] warn_alloc_show_mem: 1 callbacks suppressed [ 278.993217] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 278.993219] Mem-Info: [ 278.993229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.998583] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 278.998583] active_file:16 inactive_file:17 isolated_file:0 [ 278.998583] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.998583] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 278.998583] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 278.998583] free:13792 free_pcp:309 free_cma:0 [ 279.005390] Call Trace: [ 279.007796] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.017136] dump_stack+0x1c4/0x2b4 [ 279.050170] Node 0 [ 279.052746] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.080577] 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 [ 279.084180] ? isolate_lru_page+0x22e0/0x22e0 [ 279.086376] lowmem_reserve[]: 0 [ 279.091556] warn_alloc.cold.119+0xb7/0x1bd [ 279.117465] 2819 [ 279.121948] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.125193] 6323 [ 279.129510] ? lock_downgrade+0x900/0x900 [ 279.131540] 6323 [ 279.136366] ? trace_hardirqs_off+0xb8/0x310 [ 279.143506] ? trace_hardirqs_off+0xb8/0x310 [ 279.145569] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 279.145590] lowmem_reserve[]: 0 0 3503 3503 [ 279.145601] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 279.145620] lowmem_reserve[]: 0 0 0 0 [ 279.145642] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 279.145703] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 279.145776] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 279.145837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.145843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.145846] 4986 total pagecache pages [ 279.145850] 0 pages in swap cache [ 279.145855] Swap cache stats: add 0, delete 0, find 0/0 [ 279.145857] Free swap = 0kB [ 279.145870] Total swap = 0kB [ 279.145873] 1965979 pages RAM [ 279.145876] 0 pages HighMem/MovableOnly [ 279.145878] 342307 pages reserved [ 279.145880] 0 pages cma reserved [ 279.145934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.145981] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.145985] syz-executor4 cpuset=syz4 mems_allowed=0 [ 279.342107] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.346963] ? mark_held_locks+0x130/0x130 [ 279.351193] ? warn_alloc+0x120/0x120 [ 279.354989] ? warn_alloc+0x120/0x120 [ 279.358781] ? warn_alloc+0x120/0x120 [ 279.362572] ? mark_held_locks+0x130/0x130 [ 279.366799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.372324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.377864] ? should_fail+0x22d/0xd01 [ 279.381746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.386839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.392366] ? should_fail+0x22d/0xd01 [ 279.396248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.401344] ? should_fail+0x22d/0xd01 [ 279.405229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.410670] ? mark_held_locks+0x130/0x130 [ 279.414897] ? mark_held_locks+0x130/0x130 [ 279.419128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.425635] ? trace_hardirqs_off+0xb8/0x310 [ 279.430278] ? kasan_check_read+0x11/0x20 [ 279.434420] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.438995] ? trace_hardirqs_on+0x310/0x310 [ 279.443395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.448923] ? wq_watchdog_touch+0x9c/0xfe [ 279.454611] ? io_serial_in+0x11/0x90 [ 279.458410] ? retint_kernel+0x2d/0x2d [ 279.462290] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.467734] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.472478] ? trace_hardirqs_off+0x310/0x310 [ 279.477048] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.483128] __alloc_pages_nodemask+0xa80/0xde0 [ 279.487812] ? should_fail+0x22d/0xd01 [ 279.491697] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.496726] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.505429] ? lock_downgrade+0x900/0x900 [ 279.510212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.515744] cache_grow_begin+0x91/0x8c0 [ 279.519796] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.524526] fallback_alloc+0x203/0x2e0 [ 279.528496] ____cache_alloc_node+0x1c7/0x1e0 [ 279.533452] kmem_cache_alloc_node+0xe3/0x730 [ 279.537938] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.542666] __alloc_skb+0x119/0x770 [ 279.546374] ? skb_scrub_packet+0x490/0x490 [ 279.551158] ? lock_downgrade+0x900/0x900 [ 279.555300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.561365] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.566807] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.572883] ? addrconf_rs_timer+0x690/0x690 [ 279.577288] ndisc_alloc_skb+0x144/0x340 [ 279.581601] ndisc_send_rs+0x331/0x6e0 [ 279.585973] addrconf_rs_timer+0x314/0x690 [ 279.590194] ? lock_release+0x970/0x970 [ 279.594638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.598871] call_timer_fn+0x272/0x920 [ 279.602746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.607450] ? process_timeout+0x40/0x40 [ 279.611516] ? kasan_check_read+0x11/0x20 [ 279.615653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.620054] ? trace_hardirqs_on+0x310/0x310 [ 279.624454] ? __run_timers+0x7da/0xc70 [ 279.628923] ? lock_downgrade+0x900/0x900 [ 279.633064] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.638165] ? trace_hardirqs_on+0xbd/0x310 [ 279.642473] ? kasan_check_read+0x11/0x20 [ 279.646625] ? __run_timers+0x7da/0xc70 [ 279.650590] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.656031] ? kasan_check_write+0x14/0x20 [ 279.660260] ? do_raw_spin_lock+0xc1/0x200 [ 279.664491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.668716] __run_timers+0x7e5/0xc70 [ 279.672514] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.677869] ? compat_start_thread+0x80/0x80 [ 279.682267] ? dequeue_entity+0x1770/0x1770 [ 279.686578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.692203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.697733] ? kasan_check_write+0x14/0x20 [ 279.701959] ? finish_task_switch+0x2f5/0x900 [ 279.706444] ? __switch_to_asm+0x40/0x70 [ 279.710498] ? preempt_notifier_register+0x200/0x200 [ 279.715591] ? __switch_to_asm+0x34/0x70 [ 279.719642] ? __switch_to_asm+0x40/0x70 [ 279.724187] ? __switch_to_asm+0x34/0x70 [ 279.728241] ? __switch_to_asm+0x40/0x70 [ 279.732297] ? __switch_to_asm+0x34/0x70 [ 279.736347] ? __switch_to_asm+0x40/0x70 [ 279.740873] ? pvclock_read_flags+0x160/0x160 [ 279.745361] ? __schedule+0x874/0x1ed0 [ 279.749238] ? run_rebalance_domains+0x38d/0x500 [ 279.753990] ? trace_hardirqs_on+0xbd/0x310 [ 279.758303] ? kvm_sched_clock_read+0x9/0x20 [ 279.762701] ? run_ksoftirqd+0x94/0x100 [ 279.767137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.772670] ? check_preemption_disabled+0x48/0x200 [ 279.777678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.783211] run_timer_softirq+0x52/0xb0 [ 279.787261] ? __this_cpu_preempt_check+0x1c/0x1f [ 279.792101] __do_softirq+0x30b/0xad8 [ 279.798634] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.805905] ? trace_hardirqs_off+0xb8/0x310 [ 279.810312] ? schedule+0x108/0x460 [ 279.813931] ? __schedule+0x1ed0/0x1ed0 [ 279.817899] ? run_ksoftirqd+0x99/0x100 [ 279.821863] ? trace_hardirqs_off+0xb8/0x310 [ 279.826633] ? ___might_sleep+0x1ed/0x300 [ 279.830771] ? smpboot_thread_fn+0x68b/0xa00 [ 279.835168] ? trace_hardirqs_on+0x310/0x310 [ 279.839567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.845098] ? check_preemption_disabled+0x48/0x200 [ 279.850106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.855638] ? takeover_tasklets+0xa90/0xa90 [ 279.860036] run_ksoftirqd+0x94/0x100 [ 279.863829] smpboot_thread_fn+0x68b/0xa00 [ 279.868056] ? sort_range+0x30/0x30 [ 279.871682] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.876775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.882304] ? __kthread_parkme+0xfb/0x1a0 [ 279.886560] kthread+0x35a/0x420 [ 279.889916] ? sort_range+0x30/0x30 [ 279.893535] ? kthread_bind+0x40/0x40 [ 279.897327] ret_from_fork+0x3a/0x50 [ 279.901038] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 279.901094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.908315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.914846] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.924113] Call Trace: [ 279.934399] ksoftirqd/1 cpuset= [ 279.936958] [ 279.936960] / mems_allowed=0 [ 279.940230] dump_stack+0x1c4/0x2b4 [ 279.948953] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.954138] warn_alloc.cold.119+0xb7/0x1bd [ 279.958456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.963293] ? lock_downgrade+0x900/0x900 [ 279.967433] ? trace_hardirqs_off+0xb8/0x310 [ 279.971833] ? trace_hardirqs_off+0xb8/0x310 [ 279.976234] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.981104] ? warn_alloc+0x120/0x120 [ 279.984900] ? warn_alloc+0x120/0x120 [ 279.988690] ? warn_alloc+0x120/0x120 [ 279.992485] ? lock_release+0x970/0x970 [ 279.996452] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.001633] ? trace_hardirqs_on+0x310/0x310 [ 280.006032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.011578] ? should_fail+0x22d/0xd01 [ 280.015466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.020578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.026110] ? should_fail+0x22d/0xd01 [ 280.029992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.035098] ? should_fail+0x22d/0xd01 [ 280.038988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.044098] ? mark_held_locks+0x130/0x130 [ 280.048325] ? mark_held_locks+0x130/0x130 [ 280.052635] ? kvm_clock_read+0x18/0x30 [ 280.056605] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.061611] ? ktime_get+0x2e1/0x440 [ 280.065316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.070845] ? check_preemption_disabled+0x48/0x200 [ 280.075854] ? kasan_check_read+0x11/0x20 [ 280.079996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.085266] ? rcu_bh_qs+0xc0/0xc0 [ 280.088800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.094332] ? check_preemption_disabled+0x48/0x200 [ 280.099337] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.104340] ? widen_string+0xe0/0x2e0 [ 280.108739] __alloc_pages_nodemask+0xa80/0xde0 [ 280.113400] ? should_fail+0x22d/0xd01 [ 280.117282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.122312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.126970] ? lock_downgrade+0x900/0x900 [ 280.131112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.136641] cache_grow_begin+0x91/0x8c0 [ 280.140701] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.145102] fallback_alloc+0x203/0x2e0 [ 280.149080] ____cache_alloc_node+0x1c7/0x1e0 [ 280.153569] kmem_cache_alloc_node+0xe3/0x730 [ 280.158065] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.162298] __alloc_skb+0x119/0x770 [ 280.166006] ? skb_scrub_packet+0x490/0x490 [ 280.170316] ? lock_downgrade+0x900/0x900 [ 280.174607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.180165] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.185604] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.191168] ? addrconf_rs_timer+0x690/0x690 [ 280.195572] ndisc_alloc_skb+0x144/0x340 [ 280.199624] ndisc_send_rs+0x331/0x6e0 [ 280.203506] addrconf_rs_timer+0x314/0x690 [ 280.207732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.211962] call_timer_fn+0x272/0x920 [ 280.215838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.220073] ? process_timeout+0x40/0x40 [ 280.224122] ? trace_hardirqs_off+0xb8/0x310 [ 280.228517] ? kasan_check_read+0x11/0x20 [ 280.232657] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.237071] ? trace_hardirqs_on+0x310/0x310 [ 280.241471] ? __run_timers+0x7da/0xc70 [ 280.245434] ? lock_downgrade+0x900/0x900 [ 280.249574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.254682] ? trace_hardirqs_on+0xbd/0x310 [ 280.258992] ? kasan_check_read+0x11/0x20 [ 280.263129] ? __run_timers+0x7da/0xc70 [ 280.267095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.272533] ? kasan_check_write+0x14/0x20 [ 280.277182] ? do_raw_spin_lock+0xc1/0x200 [ 280.281412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.285640] __run_timers+0x7e5/0xc70 [ 280.289438] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.294791] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.299800] ? timerqueue_add+0x207/0x2b0 [ 280.303940] ? enqueue_hrtimer+0x1a5/0x560 [ 280.308162] ? lock_release+0x970/0x970 [ 280.312137] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.317318] ? kasan_check_write+0x14/0x20 [ 280.321544] ? pvclock_read_flags+0x160/0x160 [ 280.326037] ? lock_downgrade+0x900/0x900 [ 280.330184] ? trace_hardirqs_on+0xbd/0x310 [ 280.334497] ? kvm_sched_clock_read+0x9/0x20 [ 280.338898] ? irq_exit+0x17f/0x1c0 [ 280.342516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.348226] ? check_preemption_disabled+0x48/0x200 [ 280.353240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.358770] run_timer_softirq+0x52/0xb0 [ 280.362824] ? __this_cpu_preempt_check+0x1c/0x1f [ 280.367661] __do_softirq+0x30b/0xad8 [ 280.371455] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.376548] ? pvclock_read_flags+0x160/0x160 [ 280.381042] ? lapic_next_event+0x5a/0x90 [ 280.385184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.390713] ? clockevents_program_event+0x140/0x370 [ 280.395814] ? kvm_clock_read+0x18/0x30 [ 280.399779] ? kvm_sched_clock_read+0x9/0x20 [ 280.404180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.409709] ? check_preemption_disabled+0x48/0x200 [ 280.414726] irq_exit+0x17f/0x1c0 [ 280.418172] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.423004] ? smp_reschedule_interrupt+0x109/0x650 [ 280.428027] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.433909] ? interrupt_entry+0xb5/0xf0 [ 280.437961] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.442966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.447976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.453571] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.458577] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.463582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.470495] ? check_preemption_disabled+0x48/0x200 [ 280.475510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.480346] apic_timer_interrupt+0xf/0x20 [ 280.484958] [ 280.487191] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 280.492112] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 280.511666] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.519366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 280.526623] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 280.533896] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 280.541154] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 280.548414] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 280.555699] ? trace_hardirqs_on+0xb4/0x310 [ 280.560063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.565597] skb_clone+0x1bb/0x500 [ 280.569129] ? finish_task_switch+0x2f5/0x900 [ 280.573616] ? skb_split+0x11e0/0x11e0 [ 280.577494] ? preempt_notifier_register+0x200/0x200 [ 280.582587] ? __switch_to_asm+0x34/0x70 [ 280.586643] ? __switch_to_asm+0x34/0x70 [ 280.590695] ? __switch_to_asm+0x40/0x70 [ 280.594742] ? __switch_to_asm+0x34/0x70 [ 280.598794] ? __switch_to_asm+0x40/0x70 [ 280.602842] ? __switch_to_asm+0x34/0x70 [ 280.606892] ? __switch_to_asm+0x40/0x70 [ 280.610945] ? __switch_to_asm+0x34/0x70 [ 280.614993] ? __switch_to_asm+0x34/0x70 [ 280.619075] ? __switch_to_asm+0x40/0x70 [ 280.623123] ? __switch_to_asm+0x34/0x70 [ 280.627197] bpf_clone_redirect+0xb9/0x490 [ 280.631425] ? __schedule+0x874/0x1ed0 [ 280.635420] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 280.640340] ? __sched_text_start+0x8/0x8 [ 280.646566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.651315] ? retint_kernel+0x2d/0x2d [ 280.655202] ? lock_acquire+0x1ed/0x520 [ 280.659163] ? bpf_test_run+0x32e/0x5a0 [ 280.663130] ? lock_release+0x970/0x970 [ 280.667092] ? preempt_schedule+0x4d/0x60 [ 280.671230] ? preempt_schedule_common+0x1f/0xd0 [ 280.675985] ? preempt_schedule+0x4d/0x60 [ 280.680135] ? ___preempt_schedule+0x16/0x18 [ 280.684544] ? bpf_test_run+0x1c0/0x5a0 [ 280.688517] ? netlink_diag_dump+0x2a0/0x2a0 [ 280.692923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.698450] ? bpf_test_init.isra.9+0x70/0x100 [ 280.703139] ? bpf_prog_test_run_skb+0x634/0xb40 [ 280.707902] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.712738] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.718267] ? fput+0x130/0x1a0 [ 280.721541] ? __bpf_prog_get+0x9b/0x290 [ 280.725594] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.730424] ? bpf_prog_test_run+0x130/0x1a0 [ 280.734824] ? __x64_sys_bpf+0x3d8/0x510 [ 280.738875] ? bpf_prog_get+0x20/0x20 [ 280.742676] ? do_syscall_64+0x1b9/0x820 [ 280.746731] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 280.752092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.757023] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.762101] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.767105] ? recalc_sigpending_tsk+0x180/0x180 [ 280.771850] ? kasan_check_write+0x14/0x20 [ 280.776081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.780934] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.786293] warn_alloc_show_mem: 1 callbacks suppressed [ 280.786303] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 280.786304] Mem-Info: [ 280.786331] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 280.786331] active_file:16 inactive_file:17 isolated_file:0 [ 280.786331] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.786331] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 280.786331] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 280.786331] free:13792 free_pcp:309 free_cma:0 [ 280.792124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.798956] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.801340] Call Trace: [ 280.834370] Node 0 [ 280.843717] dump_stack+0x1c4/0x2b4 [ 280.871560] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 280.874114] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.876319] lowmem_reserve[]: [ 280.879932] ? isolate_lru_page+0x22e0/0x22e0 [ 280.905398] 0 [ 280.913560] warn_alloc.cold.119+0xb7/0x1bd [ 280.916647] 2819 [ 280.921131] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.922895] 6323 6323 [ 280.927221] ? lock_downgrade+0x900/0x900 [ 280.934093] ? trace_hardirqs_off+0xb8/0x310 [ 280.936562] Node 0 [ 280.940694] ? trace_hardirqs_off+0xb8/0x310 [ 280.945093] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 280.947294] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.951758] lowmem_reserve[]: [ 280.978726] ? mark_held_locks+0x130/0x130 [ 280.983529] 0 [ 280.986620] ? warn_alloc+0x120/0x120 [ 280.990837] 0 3503 [ 280.992641] ? warn_alloc+0x120/0x120 [ 280.996412] 3503 [ 280.998632] ? warn_alloc+0x120/0x120 [ 281.004448] ? mark_held_locks+0x130/0x130 [ 281.008217] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 281.012458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.012474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.041517] lowmem_reserve[]: [ 281.047061] ? should_fail+0x22d/0xd01 [ 281.052560] 0 [ 281.056155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.060007] 0 0 [ 281.061803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.066874] 0 [ 281.068835] ? should_fail+0x22d/0xd01 [ 281.076127] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.079989] Node 0 [ 281.085538] ? should_fail+0x22d/0xd01 [ 281.085540] DMA: 1*4kB [ 281.087771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.091624] (U) [ 281.094194] ? mark_held_locks+0x130/0x130 [ 281.099265] 0*8kB [ 281.101226] ? mark_held_locks+0x130/0x130 [ 281.105433] 0*16kB [ 281.107569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.111773] 1*32kB [ 281.113997] ? trace_hardirqs_off+0xb8/0x310 [ 281.119502] (U) [ 281.121721] ? kasan_check_read+0x11/0x20 [ 281.126107] 2*64kB [ 281.128067] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.132179] (U) [ 281.134412] ? trace_hardirqs_on+0x310/0x310 [ 281.138786] 1*128kB [ 281.140745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.145112] (U) 1*256kB [ 281.147437] ? wq_watchdog_touch+0x9c/0xfe [ 281.152943] (U) [ 281.155608] ? io_serial_in+0x11/0x90 [ 281.159811] 0*512kB [ 281.161781] ? retint_kernel+0x2d/0x2d [ 281.165548] 1*1024kB [ 281.167858] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.171710] (U) [ 281.174107] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.179008] 1*2048kB [ 281.180973] ? trace_hardirqs_off+0x310/0x310 [ 281.185701] (M) [ 281.188098] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.192563] 3*4096kB [ 281.194528] __alloc_pages_nodemask+0xa80/0xde0 [ 281.199599] (M) [ 281.201994] ? should_fail+0x22d/0xd01 [ 281.202010] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.206653] = 15908kB [ 281.208623] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.212470] Node 0 [ 281.217963] ? lock_downgrade+0x900/0x900 [ 281.220476] DMA32: 6*4kB (UME) 2*8kB (UE) [ 281.226929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.229138] 4*16kB [ 281.233272] cache_grow_begin+0x91/0x8c0 [ 281.237479] (UME) 4*32kB (UME) [ 281.243010] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.245219] 5*64kB [ 281.249264] fallback_alloc+0x203/0x2e0 [ 281.252512] (ME) [ 281.256904] ____cache_alloc_node+0x1c7/0x1e0 [ 281.259108] 5*128kB [ 281.263065] kmem_cache_alloc_node+0xe3/0x730 [ 281.265095] (UME) [ 281.269574] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.271864] 4*256kB [ 281.276346] __alloc_skb+0x119/0x770 [ 281.278462] (ME) [ 281.282683] ? skb_scrub_packet+0x490/0x490 [ 281.284972] 5*512kB [ 281.288687] ? lock_downgrade+0x900/0x900 [ 281.290717] (UME) [ 281.295027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.297328] 4*1024kB [ 281.301456] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.303574] (UME) [ 281.309095] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.311481] 2*2048kB [ 281.316917] ? addrconf_rs_timer+0x690/0x690 [ 281.319037] (ME) [ 281.324478] ndisc_alloc_skb+0x144/0x340 [ 281.326852] 3*4096kB [ 281.331245] ndisc_send_rs+0x331/0x6e0 [ 281.333278] (M) [ 281.337323] addrconf_rs_timer+0x314/0x690 [ 281.339702] = 25256kB [ 281.343572] ? lock_release+0x970/0x970 [ 281.345517] Node 0 [ 281.349735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.352114] Normal: [ 281.356091] call_timer_fn+0x272/0x920 [ 281.358295] 1063*4kB [ 281.362516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.364810] (UMEH) [ 281.368680] ? process_timeout+0x40/0x40 [ 281.371059] 420*8kB [ 281.375274] ? kasan_check_read+0x11/0x20 [ 281.377477] (UME) [ 281.381534] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.383830] 170*16kB [ 281.387968] ? trace_hardirqs_on+0x310/0x310 [ 281.390089] (UMEH) [ 281.394485] ? __run_timers+0x7da/0xc70 [ 281.396856] 65*32kB (UME) [ 281.401255] ? lock_downgrade+0x900/0x900 [ 281.403463] 9*64kB [ 281.407427] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.410242] (UM) [ 281.414375] ? trace_hardirqs_on+0xbd/0x310 [ 281.416590] 0*128kB [ 281.422623] ? kasan_check_read+0x11/0x20 [ 281.424659] 0*256kB [ 281.428975] ? __run_timers+0x7da/0xc70 [ 281.431286] 0*512kB [ 281.435422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.437712] 1*1024kB [ 281.441670] ? kasan_check_write+0x14/0x20 [ 281.443966] (H) [ 281.449585] ? do_raw_spin_lock+0xc1/0x200 [ 281.451968] 0*2048kB [ 281.456188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.458129] 0*4096kB = 14012kB [ 281.462355] __run_timers+0x7e5/0xc70 [ 281.464741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.470438] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.473601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.477382] ? compat_start_thread+0x80/0x80 [ 281.486187] 4986 total pagecache pages [ 281.492501] ? dequeue_entity+0x1770/0x1770 [ 281.492517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.501065] 0 pages in swap cache [ 281.505469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.510095] Swap cache stats: add 0, delete 0, find 0/0 [ 281.514399] ? kasan_check_write+0x14/0x20 [ 281.519905] Free swap = 0kB [ 281.523344] ? finish_task_switch+0x2f5/0x900 [ 281.528849] Total swap = 0kB [ 281.534633] ? __switch_to_asm+0x40/0x70 [ 281.534649] ? preempt_notifier_register+0x200/0x200 [ 281.538995] 1965979 pages RAM [ 281.542344] ? __switch_to_asm+0x34/0x70 [ 281.546821] 0 pages HighMem/MovableOnly [ 281.549819] ? __switch_to_asm+0x40/0x70 [ 281.554944] 342307 pages reserved [ 281.560035] ? __switch_to_asm+0x34/0x70 [ 281.563129] 0 pages cma reserved [ 281.567173] ? __switch_to_asm+0x40/0x70 [ 281.571158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.580471] ? __switch_to_asm+0x34/0x70 [ 281.580480] ? __switch_to_asm+0x40/0x70 [ 281.580498] ? pvclock_read_flags+0x160/0x160 [ 281.580514] ? __schedule+0x874/0x1ed0 [ 281.584002] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.588187] ? run_rebalance_domains+0x38d/0x500 [ 281.591619] syz-executor4 cpuset= [ 281.596803] ? trace_hardirqs_on+0xbd/0x310 [ 281.603260] syz4 [ 281.607302] ? kvm_sched_clock_read+0x9/0x20 [ 281.607318] ? run_ksoftirqd+0x94/0x100 [ 281.611359] mems_allowed=0 [ 281.615837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.662325] ? check_preemption_disabled+0x48/0x200 [ 281.667331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.672867] run_timer_softirq+0x52/0xb0 [ 281.677402] ? __this_cpu_preempt_check+0x1c/0x1f [ 281.682233] __do_softirq+0x30b/0xad8 [ 281.686029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.691120] ? trace_hardirqs_off+0xb8/0x310 [ 281.695522] ? schedule+0x108/0x460 [ 281.699141] ? __schedule+0x1ed0/0x1ed0 [ 281.703106] ? run_ksoftirqd+0x99/0x100 [ 281.707069] ? trace_hardirqs_off+0xb8/0x310 [ 281.711468] ? ___might_sleep+0x1ed/0x300 [ 281.715603] ? smpboot_thread_fn+0x68b/0xa00 [ 281.720000] ? trace_hardirqs_on+0x310/0x310 [ 281.724399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.729937] ? check_preemption_disabled+0x48/0x200 [ 281.734945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.740480] ? takeover_tasklets+0xa90/0xa90 [ 281.744883] run_ksoftirqd+0x94/0x100 [ 281.748686] smpboot_thread_fn+0x68b/0xa00 [ 281.752920] ? sort_range+0x30/0x30 [ 281.758469] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.764276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.769804] ? __kthread_parkme+0xfb/0x1a0 [ 281.774268] kthread+0x35a/0x420 [ 281.777627] ? sort_range+0x30/0x30 [ 281.781242] ? kthread_bind+0x40/0x40 [ 281.785472] ret_from_fork+0x3a/0x50 [ 281.790451] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 281.790511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.797738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.804277] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.813539] Call Trace: [ 281.823826] ksoftirqd/1 cpuset= [ 281.826387] [ 281.826389] / mems_allowed=0 [ 281.829661] dump_stack+0x1c4/0x2b4 [ 281.838386] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.843574] warn_alloc.cold.119+0xb7/0x1bd [ 281.847889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.852730] ? lock_downgrade+0x900/0x900 [ 281.856871] ? trace_hardirqs_off+0xb8/0x310 [ 281.861275] ? trace_hardirqs_off+0xb8/0x310 [ 281.865676] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.870522] ? warn_alloc+0x120/0x120 [ 281.874318] ? warn_alloc+0x120/0x120 [ 281.878111] ? warn_alloc+0x120/0x120 [ 281.881909] ? mark_held_locks+0x130/0x130 [ 281.886139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.891666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.897198] ? should_fail+0x22d/0xd01 [ 281.901080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.906176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.911715] ? should_fail+0x22d/0xd01 [ 281.915597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.920692] ? should_fail+0x22d/0xd01 [ 281.924578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.929694] ? mark_held_locks+0x130/0x130 [ 281.933946] ? mark_held_locks+0x130/0x130 [ 281.938176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.943707] ? trace_hardirqs_off+0xb8/0x310 [ 281.948107] ? kasan_check_read+0x11/0x20 [ 281.952262] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.956676] ? trace_hardirqs_on+0x310/0x310 [ 281.961072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.966598] ? wq_watchdog_touch+0x9c/0xfe [ 281.970821] ? io_serial_in+0x11/0x90 [ 281.974613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.980143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.985241] __alloc_pages_nodemask+0xa80/0xde0 [ 281.989909] ? should_fail+0x22d/0xd01 [ 281.993795] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.998813] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.003470] ? lock_downgrade+0x900/0x900 [ 282.007612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.013142] cache_grow_begin+0x91/0x8c0 [ 282.017210] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.021614] fallback_alloc+0x203/0x2e0 [ 282.025583] ____cache_alloc_node+0x1c7/0x1e0 [ 282.030071] kmem_cache_alloc_node+0xe3/0x730 [ 282.034559] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.038790] __alloc_skb+0x119/0x770 [ 282.042495] ? skb_scrub_packet+0x490/0x490 [ 282.046809] ? lock_downgrade+0x900/0x900 [ 282.050954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.056485] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.061927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.067368] ? addrconf_rs_timer+0x690/0x690 [ 282.071774] ndisc_alloc_skb+0x144/0x340 [ 282.075830] ndisc_send_rs+0x331/0x6e0 [ 282.079712] addrconf_rs_timer+0x314/0x690 [ 282.083939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.088170] call_timer_fn+0x272/0x920 [ 282.092053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.096282] ? process_timeout+0x40/0x40 [ 282.100331] ? trace_hardirqs_off+0xb8/0x310 [ 282.104727] ? kasan_check_read+0x11/0x20 [ 282.109351] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.113750] ? trace_hardirqs_on+0x310/0x310 [ 282.118149] ? __run_timers+0x7da/0xc70 [ 282.122117] ? lock_downgrade+0x900/0x900 [ 282.126259] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.131351] ? trace_hardirqs_on+0xbd/0x310 [ 282.135659] ? kasan_check_read+0x11/0x20 [ 282.139798] ? __run_timers+0x7da/0xc70 [ 282.143760] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.149202] ? kasan_check_write+0x14/0x20 [ 282.153424] ? do_raw_spin_lock+0xc1/0x200 [ 282.157653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.161883] __run_timers+0x7e5/0xc70 [ 282.165689] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.171046] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.176054] ? timerqueue_add+0x207/0x2b0 [ 282.180193] ? enqueue_hrtimer+0x1a5/0x560 [ 282.184417] ? lock_release+0x970/0x970 [ 282.188637] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.193817] ? kasan_check_write+0x14/0x20 [ 282.198047] ? pvclock_read_flags+0x160/0x160 [ 282.202529] ? lock_downgrade+0x900/0x900 [ 282.206667] ? trace_hardirqs_on+0xbd/0x310 [ 282.210978] ? kvm_sched_clock_read+0x9/0x20 [ 282.215376] ? irq_exit+0x17f/0x1c0 [ 282.219016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.224544] ? check_preemption_disabled+0x48/0x200 [ 282.229554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.235082] run_timer_softirq+0x52/0xb0 [ 282.239265] ? __this_cpu_preempt_check+0x1c/0x1f [ 282.244100] __do_softirq+0x30b/0xad8 [ 282.247912] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.253009] ? pvclock_read_flags+0x160/0x160 [ 282.257496] ? lapic_next_event+0x5a/0x90 [ 282.261636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.267164] ? clockevents_program_event+0x140/0x370 [ 282.272270] ? kvm_clock_read+0x18/0x30 [ 282.276645] ? kvm_sched_clock_read+0x9/0x20 [ 282.281047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.286580] ? check_preemption_disabled+0x48/0x200 [ 282.291592] irq_exit+0x17f/0x1c0 [ 282.295042] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.299882] ? smp_reschedule_interrupt+0x109/0x650 [ 282.304901] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.310774] ? interrupt_entry+0xb5/0xf0 [ 282.314825] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.319828] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.324847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.329683] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.334689] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.339695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.345222] ? check_preemption_disabled+0x48/0x200 [ 282.350231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.355070] apic_timer_interrupt+0xf/0x20 [ 282.359286] [ 282.361518] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.366437] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 282.385324] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.393065] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 282.400334] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 282.407596] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 282.414866] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 282.422130] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 282.429407] ? trace_hardirqs_on+0xb4/0x310 [ 282.433729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.439261] skb_clone+0x1bb/0x500 [ 282.442792] ? finish_task_switch+0x2f5/0x900 [ 282.447276] ? skb_split+0x11e0/0x11e0 [ 282.452202] ? preempt_notifier_register+0x200/0x200 [ 282.457296] ? __switch_to_asm+0x34/0x70 [ 282.461343] ? __switch_to_asm+0x34/0x70 [ 282.466270] ? __switch_to_asm+0x40/0x70 [ 282.470315] ? __switch_to_asm+0x34/0x70 [ 282.474370] ? __switch_to_asm+0x40/0x70 [ 282.478421] ? __switch_to_asm+0x34/0x70 [ 282.482470] ? __switch_to_asm+0x40/0x70 [ 282.488019] ? __switch_to_asm+0x34/0x70 [ 282.492071] ? __switch_to_asm+0x34/0x70 [ 282.496122] ? __switch_to_asm+0x40/0x70 [ 282.500173] ? __switch_to_asm+0x34/0x70 [ 282.504523] bpf_clone_redirect+0xb9/0x490 [ 282.508745] ? __schedule+0x874/0x1ed0 [ 282.512623] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 282.517547] ? __sched_text_start+0x8/0x8 [ 282.521689] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.526437] ? retint_kernel+0x2d/0x2d [ 282.530320] ? lock_acquire+0x1ed/0x520 [ 282.534282] ? bpf_test_run+0x32e/0x5a0 [ 282.538248] ? lock_release+0x970/0x970 [ 282.542216] ? preempt_schedule+0x4d/0x60 [ 282.546359] ? preempt_schedule_common+0x1f/0xd0 [ 282.551105] ? preempt_schedule+0x4d/0x60 [ 282.555241] ? ___preempt_schedule+0x16/0x18 [ 282.559646] ? bpf_test_run+0x1c0/0x5a0 [ 282.563613] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.568013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.573540] ? bpf_test_init.isra.9+0x70/0x100 [ 282.578111] ? bpf_prog_test_run_skb+0x634/0xb40 [ 282.582863] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.587701] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.593228] ? fput+0x130/0x1a0 [ 282.596498] ? __bpf_prog_get+0x9b/0x290 [ 282.600551] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.605384] ? bpf_prog_test_run+0x130/0x1a0 [ 282.609782] ? __x64_sys_bpf+0x3d8/0x510 [ 282.613857] ? bpf_prog_get+0x20/0x20 [ 282.617714] ? do_syscall_64+0x1b9/0x820 [ 282.621764] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.627119] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.632042] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.637052] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.642074] ? recalc_sigpending_tsk+0x180/0x180 [ 282.646842] ? kasan_check_write+0x14/0x20 [ 282.651150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.655985] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.661343] warn_alloc_show_mem: 1 callbacks suppressed [ 282.661353] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 282.661354] Mem-Info: [ 282.661386] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 282.661386] active_file:16 inactive_file:17 isolated_file:0 [ 282.661386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.661386] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 282.661386] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 282.661386] free:13792 free_pcp:309 free_cma:0 [ 282.666718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.673563] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.675948] Call Trace: [ 282.708979] Node 0 [ 282.718416] dump_stack+0x1c4/0x2b4 [ 282.746251] 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 [ 282.748807] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.751011] lowmem_reserve[]: [ 282.754637] ? isolate_lru_page+0x22e0/0x22e0 [ 282.780108] 0 [ 282.785299] warn_alloc.cold.119+0xb7/0x1bd [ 282.788369] 2819 [ 282.793072] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.794711] 6323 [ 282.799017] ? lock_downgrade+0x900/0x900 [ 282.801049] 6323 [ 282.805876] ? trace_hardirqs_off+0xb8/0x310 [ 282.807930] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 282.807951] lowmem_reserve[]: 0 0 3503 3503 [ 282.807962] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 282.807982] lowmem_reserve[]: 0 0 0 0 [ 282.807993] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 282.808041] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 282.808094] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 282.808144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.808150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.808153] 4986 total pagecache pages [ 282.808157] 0 pages in swap cache [ 282.808162] Swap cache stats: add 0, delete 0, find 0/0 [ 282.808164] Free swap = 0kB [ 282.808167] Total swap = 0kB [ 282.808170] 1965979 pages RAM [ 282.808172] 0 pages HighMem/MovableOnly [ 282.808175] 342307 pages reserved [ 282.808177] 0 pages cma reserved [ 282.808221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.808259] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.808263] syz-executor4 cpuset=syz4 mems_allowed=0 [ 283.004109] ? trace_hardirqs_off+0xb8/0x310 [ 283.008513] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.013360] ? mark_held_locks+0x130/0x130 [ 283.017589] ? warn_alloc+0x120/0x120 [ 283.021383] ? warn_alloc+0x120/0x120 [ 283.025175] ? warn_alloc+0x120/0x120 [ 283.031110] ? mark_held_locks+0x130/0x130 [ 283.035345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.040878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.048246] ? should_fail+0x22d/0xd01 [ 283.052491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.058058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.063597] ? should_fail+0x22d/0xd01 [ 283.067681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.072776] ? should_fail+0x22d/0xd01 [ 283.076666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.081763] ? mark_held_locks+0x130/0x130 [ 283.085991] ? mark_held_locks+0x130/0x130 [ 283.090217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.095746] ? trace_hardirqs_off+0xb8/0x310 [ 283.100594] ? kasan_check_read+0x11/0x20 [ 283.104735] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.109638] ? trace_hardirqs_on+0x310/0x310 [ 283.114039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.119569] ? wq_watchdog_touch+0x9c/0xfe [ 283.123804] ? io_serial_in+0x11/0x90 [ 283.128061] ? retint_kernel+0x2d/0x2d [ 283.131938] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.136860] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.141692] ? trace_hardirqs_off+0x310/0x310 [ 283.146176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.151277] __alloc_pages_nodemask+0xa80/0xde0 [ 283.155935] ? should_fail+0x22d/0xd01 [ 283.159831] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.164854] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.169513] ? lock_downgrade+0x900/0x900 [ 283.173655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.179190] cache_grow_begin+0x91/0x8c0 [ 283.183239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.187642] fallback_alloc+0x203/0x2e0 [ 283.191608] ____cache_alloc_node+0x1c7/0x1e0 [ 283.196095] kmem_cache_alloc_node+0xe3/0x730 [ 283.201068] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.205296] __alloc_skb+0x119/0x770 [ 283.209005] ? skb_scrub_packet+0x490/0x490 [ 283.213324] ? lock_downgrade+0x900/0x900 [ 283.217464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.222995] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.228439] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.233879] ? addrconf_rs_timer+0x690/0x690 [ 283.238284] ndisc_alloc_skb+0x144/0x340 [ 283.242343] ndisc_send_rs+0x331/0x6e0 [ 283.246224] addrconf_rs_timer+0x314/0x690 [ 283.250448] ? lock_release+0x970/0x970 [ 283.254413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.258645] call_timer_fn+0x272/0x920 [ 283.263002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.267227] ? process_timeout+0x40/0x40 [ 283.271275] ? kasan_check_read+0x11/0x20 [ 283.275416] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.279814] ? trace_hardirqs_on+0x310/0x310 [ 283.284217] ? __run_timers+0x7da/0xc70 [ 283.288195] ? lock_downgrade+0x900/0x900 [ 283.292338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.297432] ? trace_hardirqs_on+0xbd/0x310 [ 283.301740] ? kasan_check_read+0x11/0x20 [ 283.306399] ? __run_timers+0x7da/0xc70 [ 283.310373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.315825] ? kasan_check_write+0x14/0x20 [ 283.322216] ? do_raw_spin_lock+0xc1/0x200 [ 283.326567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.330799] __run_timers+0x7e5/0xc70 [ 283.334602] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.339960] ? compat_start_thread+0x80/0x80 [ 283.344357] ? dequeue_entity+0x1770/0x1770 [ 283.348672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.354201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.359732] ? kasan_check_write+0x14/0x20 [ 283.363961] ? finish_task_switch+0x2f5/0x900 [ 283.368446] ? __switch_to_asm+0x40/0x70 [ 283.372501] ? preempt_notifier_register+0x200/0x200 [ 283.377591] ? __switch_to_asm+0x34/0x70 [ 283.381748] ? __switch_to_asm+0x40/0x70 [ 283.385803] ? __switch_to_asm+0x34/0x70 [ 283.389861] ? __switch_to_asm+0x40/0x70 [ 283.393913] ? __switch_to_asm+0x34/0x70 [ 283.397963] ? __switch_to_asm+0x40/0x70 [ 283.402021] ? pvclock_read_flags+0x160/0x160 [ 283.406509] ? __schedule+0x874/0x1ed0 [ 283.410386] ? run_rebalance_domains+0x38d/0x500 [ 283.415499] ? trace_hardirqs_on+0xbd/0x310 [ 283.422446] ? kvm_sched_clock_read+0x9/0x20 [ 283.426850] ? run_ksoftirqd+0x94/0x100 [ 283.430818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.436354] ? check_preemption_disabled+0x48/0x200 [ 283.441364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.446909] run_timer_softirq+0x52/0xb0 [ 283.451631] ? __this_cpu_preempt_check+0x1c/0x1f [ 283.456476] __do_softirq+0x30b/0xad8 [ 283.460276] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.469051] ? trace_hardirqs_off+0xb8/0x310 [ 283.473694] ? schedule+0x108/0x460 [ 283.477321] ? __schedule+0x1ed0/0x1ed0 [ 283.481286] ? run_ksoftirqd+0x99/0x100 [ 283.485260] ? trace_hardirqs_off+0xb8/0x310 [ 283.489671] ? ___might_sleep+0x1ed/0x300 [ 283.493813] ? smpboot_thread_fn+0x68b/0xa00 [ 283.498209] ? trace_hardirqs_on+0x310/0x310 [ 283.502767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.508300] ? check_preemption_disabled+0x48/0x200 [ 283.513313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.518841] ? takeover_tasklets+0xa90/0xa90 [ 283.523255] run_ksoftirqd+0x94/0x100 [ 283.527045] smpboot_thread_fn+0x68b/0xa00 [ 283.531273] ? sort_range+0x30/0x30 [ 283.534895] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.539992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.545533] ? __kthread_parkme+0xfb/0x1a0 [ 283.549768] kthread+0x35a/0x420 [ 283.553123] ? sort_range+0x30/0x30 [ 283.556738] ? kthread_bind+0x40/0x40 [ 283.560533] ret_from_fork+0x3a/0x50 [ 283.564252] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 283.564308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.571521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.571525] Call Trace: [ 283.571530] [ 283.571545] dump_stack+0x1c4/0x2b4 [ 283.571562] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.578083] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.587386] warn_alloc.cold.119+0xb7/0x1bd [ 283.590408] ksoftirqd/1 cpuset= [ 283.592547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.596142] / [ 283.601318] ? lock_downgrade+0x900/0x900 [ 283.611614] mems_allowed=0 [ 283.615925] ? trace_hardirqs_off+0xb8/0x310 [ 283.637122] ? trace_hardirqs_off+0xb8/0x310 [ 283.641527] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.646377] ? warn_alloc+0x120/0x120 [ 283.650176] ? warn_alloc+0x120/0x120 [ 283.653971] ? warn_alloc+0x120/0x120 [ 283.657767] ? lock_release+0x970/0x970 [ 283.661736] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.666923] ? trace_hardirqs_on+0x310/0x310 [ 283.671340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.676870] ? should_fail+0x22d/0xd01 [ 283.680762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.685871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.691403] ? should_fail+0x22d/0xd01 [ 283.695282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.700375] ? should_fail+0x22d/0xd01 [ 283.704255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.709355] ? mark_held_locks+0x130/0x130 [ 283.713668] ? mark_held_locks+0x130/0x130 [ 283.717896] ? kvm_clock_read+0x18/0x30 [ 283.721864] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 283.726868] ? ktime_get+0x2e1/0x440 [ 283.730576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.736104] ? check_preemption_disabled+0x48/0x200 [ 283.741114] ? kasan_check_read+0x11/0x20 [ 283.745255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.750524] ? rcu_bh_qs+0xc0/0xc0 [ 283.754056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.759588] ? check_preemption_disabled+0x48/0x200 [ 283.764593] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 283.769598] ? widen_string+0xe0/0x2e0 [ 283.773479] __alloc_pages_nodemask+0xa80/0xde0 [ 283.778138] ? should_fail+0x22d/0xd01 [ 283.782019] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.787039] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.791700] ? lock_downgrade+0x900/0x900 [ 283.795855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.801383] cache_grow_begin+0x91/0x8c0 [ 283.805437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.809842] fallback_alloc+0x203/0x2e0 [ 283.813811] ____cache_alloc_node+0x1c7/0x1e0 [ 283.818303] kmem_cache_alloc_node+0xe3/0x730 [ 283.822797] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.827047] __alloc_skb+0x119/0x770 [ 283.830843] ? skb_scrub_packet+0x490/0x490 [ 283.835149] ? lock_downgrade+0x900/0x900 [ 283.839307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.844844] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.850288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.855744] ? addrconf_rs_timer+0x690/0x690 [ 283.860152] ndisc_alloc_skb+0x144/0x340 [ 283.864209] ndisc_send_rs+0x331/0x6e0 [ 283.868093] addrconf_rs_timer+0x314/0x690 [ 283.872323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.876551] call_timer_fn+0x272/0x920 [ 283.880431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.884659] ? process_timeout+0x40/0x40 [ 283.888709] ? trace_hardirqs_off+0xb8/0x310 [ 283.893111] ? kasan_check_read+0x11/0x20 [ 283.897253] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.901652] ? trace_hardirqs_on+0x310/0x310 [ 283.906052] ? __run_timers+0x7da/0xc70 [ 283.910017] ? lock_downgrade+0x900/0x900 [ 283.914155] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.919247] ? trace_hardirqs_on+0xbd/0x310 [ 283.923558] ? kasan_check_read+0x11/0x20 [ 283.927694] ? __run_timers+0x7da/0xc70 [ 283.931658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.937100] ? kasan_check_write+0x14/0x20 [ 283.941331] ? do_raw_spin_lock+0xc1/0x200 [ 283.945562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.949788] __run_timers+0x7e5/0xc70 [ 283.953589] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.958965] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.963972] ? timerqueue_add+0x207/0x2b0 [ 283.968117] ? enqueue_hrtimer+0x1a5/0x560 [ 283.972342] ? lock_release+0x970/0x970 [ 283.976306] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.981488] ? kasan_check_write+0x14/0x20 [ 283.985739] ? pvclock_read_flags+0x160/0x160 [ 283.990231] ? lock_downgrade+0x900/0x900 [ 283.994374] ? trace_hardirqs_on+0xbd/0x310 [ 283.998704] ? kvm_sched_clock_read+0x9/0x20 [ 284.003116] ? irq_exit+0x17f/0x1c0 [ 284.006764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.012295] ? check_preemption_disabled+0x48/0x200 [ 284.017302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.022836] run_timer_softirq+0x52/0xb0 [ 284.026894] ? __this_cpu_preempt_check+0x1c/0x1f [ 284.031737] __do_softirq+0x30b/0xad8 [ 284.035539] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.040636] ? pvclock_read_flags+0x160/0x160 [ 284.045122] ? lapic_next_event+0x5a/0x90 [ 284.049260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.054787] ? clockevents_program_event+0x140/0x370 [ 284.059884] ? kvm_clock_read+0x18/0x30 [ 284.063848] ? kvm_sched_clock_read+0x9/0x20 [ 284.068334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.073866] ? check_preemption_disabled+0x48/0x200 [ 284.078880] irq_exit+0x17f/0x1c0 [ 284.082327] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.087155] ? smp_reschedule_interrupt+0x109/0x650 [ 284.092157] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.098033] ? interrupt_entry+0xb5/0xf0 [ 284.102088] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.107095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.112568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.117404] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.122412] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.127418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.132948] ? check_preemption_disabled+0x48/0x200 [ 284.137957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.142794] apic_timer_interrupt+0xf/0x20 [ 284.147017] [ 284.149250] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 284.154170] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 284.173061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.180764] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 284.188021] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 284.195302] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 284.202558] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 284.209815] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.217084] ? trace_hardirqs_on+0xb4/0x310 [ 284.221399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.226947] skb_clone+0x1bb/0x500 [ 284.230478] ? finish_task_switch+0x2f5/0x900 [ 284.234965] ? skb_split+0x11e0/0x11e0 [ 284.238841] ? preempt_notifier_register+0x200/0x200 [ 284.243933] ? __switch_to_asm+0x34/0x70 [ 284.248097] ? __switch_to_asm+0x34/0x70 [ 284.252158] ? __switch_to_asm+0x40/0x70 [ 284.256210] ? __switch_to_asm+0x34/0x70 [ 284.260270] ? __switch_to_asm+0x40/0x70 [ 284.264316] ? __switch_to_asm+0x34/0x70 [ 284.268363] ? __switch_to_asm+0x40/0x70 [ 284.272415] ? __switch_to_asm+0x34/0x70 [ 284.276950] ? __switch_to_asm+0x34/0x70 [ 284.281001] ? __switch_to_asm+0x40/0x70 [ 284.285189] ? __switch_to_asm+0x34/0x70 [ 284.289258] bpf_clone_redirect+0xb9/0x490 [ 284.293486] ? __schedule+0x874/0x1ed0 [ 284.297364] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 284.302285] ? __sched_text_start+0x8/0x8 [ 284.306428] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.311178] ? retint_kernel+0x2d/0x2d [ 284.315058] ? lock_acquire+0x1ed/0x520 [ 284.319022] ? bpf_test_run+0x32e/0x5a0 [ 284.322990] ? lock_release+0x970/0x970 [ 284.326958] ? preempt_schedule+0x4d/0x60 [ 284.331101] ? preempt_schedule_common+0x1f/0xd0 [ 284.335848] ? preempt_schedule+0x4d/0x60 [ 284.339989] ? ___preempt_schedule+0x16/0x18 [ 284.344389] ? bpf_test_run+0x1c0/0x5a0 [ 284.348356] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.352754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.358279] ? bpf_test_init.isra.9+0x70/0x100 [ 284.362856] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.367605] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.372441] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.377968] ? fput+0x130/0x1a0 [ 284.381239] ? __bpf_prog_get+0x9b/0x290 [ 284.385291] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.390121] ? bpf_prog_test_run+0x130/0x1a0 [ 284.394521] ? __x64_sys_bpf+0x3d8/0x510 [ 284.398570] ? bpf_prog_get+0x20/0x20 [ 284.402369] ? do_syscall_64+0x1b9/0x820 [ 284.406418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.411773] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.416699] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.421721] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.426729] ? recalc_sigpending_tsk+0x180/0x180 [ 284.431474] ? kasan_check_write+0x14/0x20 [ 284.435707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.440545] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.445903] warn_alloc_show_mem: 1 callbacks suppressed [ 284.445913] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 284.445914] Mem-Info: [ 284.445943] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 284.445943] active_file:16 inactive_file:17 isolated_file:0 [ 284.445943] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.445943] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 284.445943] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 284.445943] free:13792 free_pcp:309 free_cma:0 [ 284.451773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.451781] Call Trace: [ 284.458620] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.461020] dump_stack+0x1c4/0x2b4 [ 284.496124] Node 0 [ 284.505490] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.508058] 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 [ 284.536371] ? isolate_lru_page+0x22e0/0x22e0 [ 284.539966] lowmem_reserve[]: [ 284.542194] warn_alloc.cold.119+0xb7/0x1bd [ 284.547349] 0 [ 284.572833] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.577296] 2819 [ 284.580388] ? lock_downgrade+0x900/0x900 [ 284.584694] 6323 [ 284.586484] ? trace_hardirqs_off+0xb8/0x310 [ 284.591287] 6323 [ 284.593341] ? trace_hardirqs_off+0xb8/0x310 [ 284.597454] Node 0 [ 284.599501] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.603897] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 284.605931] ? mark_held_locks+0x130/0x130 [ 284.610295] lowmem_reserve[]: 0 [ 284.612981] ? warn_alloc+0x120/0x120 [ 284.617791] 0 [ 284.644756] ? warn_alloc+0x120/0x120 [ 284.648959] 3503 [ 284.652223] ? warn_alloc+0x120/0x120 [ 284.655994] 3503 [ 284.657783] ? mark_held_locks+0x130/0x130 [ 284.663728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.667505] Node 0 [ 284.669554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.673781] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 284.679306] ? should_fail+0x22d/0xd01 [ 284.681507] lowmem_reserve[]: 0 [ 284.687037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.715371] 0 [ 284.719244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.722497] 0 [ 284.727593] ? should_fail+0x22d/0xd01 [ 284.729379] 0 [ 284.734903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.740553] ? should_fail+0x22d/0xd01 [ 284.742329] Node 0 [ 284.747606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.751486] DMA: [ 284.753713] ? mark_held_locks+0x130/0x130 [ 284.758780] 1*4kB [ 284.760826] ? mark_held_locks+0x130/0x130 [ 284.765026] (U) [ 284.767164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.771363] 0*8kB [ 284.773325] ? trace_hardirqs_off+0xb8/0x310 [ 284.778840] 0*16kB [ 284.780971] ? kasan_check_read+0x11/0x20 [ 284.785349] 1*32kB [ 284.787571] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.791690] (U) [ 284.793911] ? trace_hardirqs_on+0x310/0x310 [ 284.798285] 2*64kB [ 284.800243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.804615] (U) [ 284.806834] ? wq_watchdog_touch+0x9c/0xfe [ 284.812334] 1*128kB (U) [ 284.814300] ? io_serial_in+0x11/0x90 [ 284.818500] 1*256kB [ 284.821157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.824925] (U) [ 284.827236] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.832735] 0*512kB 1*1024kB [ 284.834710] __alloc_pages_nodemask+0xa80/0xde0 [ 284.839774] (U) 1*2048kB [ 284.842873] ? should_fail+0x22d/0xd01 [ 284.847507] (M) [ 284.850251] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.854101] 3*4096kB (M) = 15908kB [ 284.854109] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 284.854163] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) [ 284.856168] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.861140] 9*64kB (UM) [ 284.864675] ? lock_downgrade+0x900/0x900 [ 284.880772] 0*128kB [ 284.888901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.893535] 0*256kB [ 284.896195] cache_grow_begin+0x91/0x8c0 [ 284.900315] 0*512kB [ 284.902624] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.908128] 1*1024kB (H) [ 284.910446] fallback_alloc+0x203/0x2e0 [ 284.914474] 0*2048kB [ 284.917213] ____cache_alloc_node+0x1c7/0x1e0 [ 284.921592] 0*4096kB [ 284.924340] kmem_cache_alloc_node+0xe3/0x730 [ 284.928287] = 14012kB [ 284.930685] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.935185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.937575] __alloc_skb+0x119/0x770 [ 284.942040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.944430] ? skb_scrub_packet+0x490/0x490 [ 284.948633] 4986 total pagecache pages [ 284.957458] ? lock_downgrade+0x900/0x900 [ 284.961140] 0 pages in swap cache [ 284.969701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.973988] Swap cache stats: add 0, delete 0, find 0/0 [ 284.973995] Free swap = 0kB [ 284.977869] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.981978] Total swap = 0kB [ 284.981985] 1965979 pages RAM [ 284.985437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.990945] 0 pages HighMem/MovableOnly [ 284.996293] ? addrconf_rs_timer+0x690/0x690 [ 284.999279] 342307 pages reserved [ 285.004714] ndisc_alloc_skb+0x144/0x340 [ 285.007791] 0 pages cma reserved [ 285.007851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.007899] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.007902] syz-executor4 cpuset=syz4 mems_allowed=0 [ 285.060793] ndisc_send_rs+0x331/0x6e0 [ 285.064680] addrconf_rs_timer+0x314/0x690 [ 285.068909] ? lock_release+0x970/0x970 [ 285.072877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.077108] call_timer_fn+0x272/0x920 [ 285.080984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.085215] ? process_timeout+0x40/0x40 [ 285.089264] ? kasan_check_read+0x11/0x20 [ 285.093401] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.097801] ? trace_hardirqs_on+0x310/0x310 [ 285.102201] ? __run_timers+0x7da/0xc70 [ 285.106167] ? lock_downgrade+0x900/0x900 [ 285.110818] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.118156] ? trace_hardirqs_on+0xbd/0x310 [ 285.122491] ? kasan_check_read+0x11/0x20 [ 285.126639] ? __run_timers+0x7da/0xc70 [ 285.130608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.136053] ? kasan_check_write+0x14/0x20 [ 285.140275] ? do_raw_spin_lock+0xc1/0x200 [ 285.144503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.149194] __run_timers+0x7e5/0xc70 [ 285.152993] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.158836] ? compat_start_thread+0x80/0x80 [ 285.163236] ? dequeue_entity+0x1770/0x1770 [ 285.167550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.173547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.179079] ? kasan_check_write+0x14/0x20 [ 285.183309] ? finish_task_switch+0x2f5/0x900 [ 285.187831] ? __switch_to_asm+0x40/0x70 [ 285.191908] ? preempt_notifier_register+0x200/0x200 [ 285.197000] ? __switch_to_asm+0x34/0x70 [ 285.201063] ? __switch_to_asm+0x40/0x70 [ 285.205111] ? __switch_to_asm+0x34/0x70 [ 285.209200] ? __switch_to_asm+0x40/0x70 [ 285.213291] ? __switch_to_asm+0x34/0x70 [ 285.217340] ? __switch_to_asm+0x40/0x70 [ 285.221400] ? pvclock_read_flags+0x160/0x160 [ 285.225886] ? __schedule+0x874/0x1ed0 [ 285.229762] ? run_rebalance_domains+0x38d/0x500 [ 285.234511] ? trace_hardirqs_on+0xbd/0x310 [ 285.238823] ? kvm_sched_clock_read+0x9/0x20 [ 285.243227] ? run_ksoftirqd+0x94/0x100 [ 285.247672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.253208] ? check_preemption_disabled+0x48/0x200 [ 285.258215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.263750] run_timer_softirq+0x52/0xb0 [ 285.267891] ? __this_cpu_preempt_check+0x1c/0x1f [ 285.272728] __do_softirq+0x30b/0xad8 [ 285.276531] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.281634] ? trace_hardirqs_off+0xb8/0x310 [ 285.286040] ? schedule+0x108/0x460 [ 285.289664] ? __schedule+0x1ed0/0x1ed0 [ 285.293637] ? run_ksoftirqd+0x99/0x100 [ 285.297618] ? trace_hardirqs_off+0xb8/0x310 [ 285.302017] ? ___might_sleep+0x1ed/0x300 [ 285.306593] ? smpboot_thread_fn+0x68b/0xa00 [ 285.311000] ? trace_hardirqs_on+0x310/0x310 [ 285.317441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.323343] ? check_preemption_disabled+0x48/0x200 [ 285.328849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.334692] ? takeover_tasklets+0xa90/0xa90 [ 285.339091] run_ksoftirqd+0x94/0x100 [ 285.342885] smpboot_thread_fn+0x68b/0xa00 [ 285.347110] ? sort_range+0x30/0x30 [ 285.351188] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.356281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.361812] ? __kthread_parkme+0xfb/0x1a0 [ 285.366039] kthread+0x35a/0x420 [ 285.369395] ? sort_range+0x30/0x30 [ 285.373015] ? kthread_bind+0x40/0x40 [ 285.376804] ret_from_fork+0x3a/0x50 [ 285.380517] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 285.380580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.387787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.394319] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.403585] Call Trace: [ 285.413877] ksoftirqd/1 cpuset= [ 285.416436] [ 285.416438] / mems_allowed=0 [ 285.419710] dump_stack+0x1c4/0x2b4 [ 285.428437] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.433632] warn_alloc.cold.119+0xb7/0x1bd [ 285.437946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.442781] ? lock_downgrade+0x900/0x900 [ 285.446922] ? trace_hardirqs_off+0xb8/0x310 [ 285.451502] ? trace_hardirqs_off+0xb8/0x310 [ 285.455905] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.460753] ? warn_alloc+0x120/0x120 [ 285.464545] ? warn_alloc+0x120/0x120 [ 285.471127] ? warn_alloc+0x120/0x120 [ 285.474968] ? lock_release+0x970/0x970 [ 285.478931] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.484113] ? trace_hardirqs_on+0x310/0x310 [ 285.488513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.494046] ? should_fail+0x22d/0xd01 [ 285.497933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.503026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.508552] ? should_fail+0x22d/0xd01 [ 285.512431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.517522] ? should_fail+0x22d/0xd01 [ 285.521404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.526497] ? mark_held_locks+0x130/0x130 [ 285.530809] ? mark_held_locks+0x130/0x130 [ 285.535060] ? kvm_clock_read+0x18/0x30 [ 285.539028] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.544034] ? ktime_get+0x2e1/0x440 [ 285.547734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.553257] ? check_preemption_disabled+0x48/0x200 [ 285.558263] ? kasan_check_read+0x11/0x20 [ 285.562401] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.567670] ? rcu_bh_qs+0xc0/0xc0 [ 285.571206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.576737] ? check_preemption_disabled+0x48/0x200 [ 285.581747] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.586751] ? widen_string+0xe0/0x2e0 [ 285.590640] __alloc_pages_nodemask+0xa80/0xde0 [ 285.595301] ? should_fail+0x22d/0xd01 [ 285.599187] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.604293] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.608954] ? lock_downgrade+0x900/0x900 [ 285.613099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.618635] cache_grow_begin+0x91/0x8c0 [ 285.622696] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.627096] fallback_alloc+0x203/0x2e0 [ 285.631065] ____cache_alloc_node+0x1c7/0x1e0 [ 285.635552] kmem_cache_alloc_node+0xe3/0x730 [ 285.640043] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.644276] __alloc_skb+0x119/0x770 [ 285.647981] ? skb_scrub_packet+0x490/0x490 [ 285.652312] ? lock_downgrade+0x900/0x900 [ 285.656454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.662002] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.667444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.672884] ? addrconf_rs_timer+0x690/0x690 [ 285.677290] ndisc_alloc_skb+0x144/0x340 [ 285.681376] ndisc_send_rs+0x331/0x6e0 [ 285.685261] addrconf_rs_timer+0x314/0x690 [ 285.689492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.693721] call_timer_fn+0x272/0x920 [ 285.697610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.701837] ? process_timeout+0x40/0x40 [ 285.705888] ? trace_hardirqs_off+0xb8/0x310 [ 285.710285] ? kasan_check_read+0x11/0x20 [ 285.714423] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.718820] ? trace_hardirqs_on+0x310/0x310 [ 285.723221] ? __run_timers+0x7da/0xc70 [ 285.727185] ? lock_downgrade+0x900/0x900 [ 285.731328] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.736437] ? trace_hardirqs_on+0xbd/0x310 [ 285.740746] ? kasan_check_read+0x11/0x20 [ 285.744884] ? __run_timers+0x7da/0xc70 [ 285.748848] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.754288] ? kasan_check_write+0x14/0x20 [ 285.758509] ? do_raw_spin_lock+0xc1/0x200 [ 285.762740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.766965] __run_timers+0x7e5/0xc70 [ 285.770767] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.776120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.781126] ? timerqueue_add+0x207/0x2b0 [ 285.785264] ? enqueue_hrtimer+0x1a5/0x560 [ 285.789491] ? lock_release+0x970/0x970 [ 285.793456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.798635] ? kasan_check_write+0x14/0x20 [ 285.802861] ? pvclock_read_flags+0x160/0x160 [ 285.807431] ? lock_downgrade+0x900/0x900 [ 285.811665] ? trace_hardirqs_on+0xbd/0x310 [ 285.815975] ? kvm_sched_clock_read+0x9/0x20 [ 285.820374] ? irq_exit+0x17f/0x1c0 [ 285.823990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.829516] ? check_preemption_disabled+0x48/0x200 [ 285.834521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.840051] run_timer_softirq+0x52/0xb0 [ 285.844101] ? __this_cpu_preempt_check+0x1c/0x1f [ 285.848931] __do_softirq+0x30b/0xad8 [ 285.852726] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.857818] ? pvclock_read_flags+0x160/0x160 [ 285.862304] ? lapic_next_event+0x5a/0x90 [ 285.866439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.871966] ? clockevents_program_event+0x140/0x370 [ 285.877060] ? kvm_clock_read+0x18/0x30 [ 285.881023] ? kvm_sched_clock_read+0x9/0x20 [ 285.885424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.890952] ? check_preemption_disabled+0x48/0x200 [ 285.895972] irq_exit+0x17f/0x1c0 [ 285.899439] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.904285] ? smp_reschedule_interrupt+0x109/0x650 [ 285.909437] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.915351] ? interrupt_entry+0xb5/0xf0 [ 285.919408] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.924414] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.929423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.934259] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.939264] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.944269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.949800] ? check_preemption_disabled+0x48/0x200 [ 285.954806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.959641] apic_timer_interrupt+0xf/0x20 [ 285.963859] [ 285.966086] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.971008] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 285.989912] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 285.997614] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 286.004873] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 286.012130] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 286.019401] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 286.026670] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 286.033941] ? trace_hardirqs_on+0xb4/0x310 [ 286.038258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.043863] skb_clone+0x1bb/0x500 [ 286.047392] ? finish_task_switch+0x2f5/0x900 [ 286.051877] ? skb_split+0x11e0/0x11e0 [ 286.055758] ? preempt_notifier_register+0x200/0x200 [ 286.060848] ? __switch_to_asm+0x34/0x70 [ 286.064902] ? __switch_to_asm+0x34/0x70 [ 286.068952] ? __switch_to_asm+0x40/0x70 [ 286.072999] ? __switch_to_asm+0x34/0x70 [ 286.077048] ? __switch_to_asm+0x40/0x70 [ 286.081100] ? __switch_to_asm+0x34/0x70 [ 286.085148] ? __switch_to_asm+0x40/0x70 [ 286.089196] ? __switch_to_asm+0x34/0x70 [ 286.093244] ? __switch_to_asm+0x34/0x70 [ 286.097294] ? __switch_to_asm+0x40/0x70 [ 286.101342] ? __switch_to_asm+0x34/0x70 [ 286.105396] bpf_clone_redirect+0xb9/0x490 [ 286.110144] ? __schedule+0x874/0x1ed0 [ 286.114027] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 286.118947] ? __sched_text_start+0x8/0x8 [ 286.123088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.127839] ? retint_kernel+0x2d/0x2d [ 286.131722] ? lock_acquire+0x1ed/0x520 [ 286.135683] ? bpf_test_run+0x32e/0x5a0 [ 286.139651] ? lock_release+0x970/0x970 [ 286.143613] ? preempt_schedule+0x4d/0x60 [ 286.147756] ? preempt_schedule_common+0x1f/0xd0 [ 286.152546] ? preempt_schedule+0x4d/0x60 [ 286.156688] ? ___preempt_schedule+0x16/0x18 [ 286.161088] ? bpf_test_run+0x1c0/0x5a0 [ 286.165055] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.169459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.174984] ? bpf_test_init.isra.9+0x70/0x100 [ 286.179569] ? bpf_prog_test_run_skb+0x634/0xb40 [ 286.184319] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.189155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.194681] ? fput+0x130/0x1a0 [ 286.197951] ? __bpf_prog_get+0x9b/0x290 [ 286.202000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.206832] ? bpf_prog_test_run+0x130/0x1a0 [ 286.211231] ? __x64_sys_bpf+0x3d8/0x510 [ 286.215278] ? bpf_prog_get+0x20/0x20 [ 286.219076] ? do_syscall_64+0x1b9/0x820 [ 286.223125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.228481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.233403] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.238410] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.243419] ? recalc_sigpending_tsk+0x180/0x180 [ 286.248167] ? kasan_check_write+0x14/0x20 [ 286.252399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.257236] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.262595] warn_alloc_show_mem: 1 callbacks suppressed [ 286.262604] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 286.262606] Mem-Info: [ 286.262635] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 286.262635] active_file:16 inactive_file:17 isolated_file:0 [ 286.262635] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.262635] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 286.262635] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 286.262635] free:13792 free_pcp:309 free_cma:0 [ 286.268480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.275694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.278090] Call Trace: [ 286.311115] Node 0 [ 286.320468] dump_stack+0x1c4/0x2b4 [ 286.348296] 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 [ 286.350854] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.353055] lowmem_reserve[]: [ 286.356668] ? isolate_lru_page+0x22e0/0x22e0 [ 286.382236] 0 [ 286.387416] warn_alloc.cold.119+0xb7/0x1bd [ 286.390485] 2819 [ 286.394962] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.396735] 6323 [ 286.401108] ? lock_downgrade+0x900/0x900 [ 286.403133] 6323 [ 286.407968] ? trace_hardirqs_off+0xb8/0x310 [ 286.409997] Node 0 [ 286.414127] ? trace_hardirqs_off+0xb8/0x310 [ 286.416181] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 286.420555] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.422761] lowmem_reserve[]: [ 286.427160] ? mark_held_locks+0x130/0x130 [ 286.454642] 0 [ 286.459477] ? warn_alloc+0x120/0x120 [ 286.462547] 0 3503 [ 286.469286] ? warn_alloc+0x120/0x120 [ 286.471058] 3503 [ 286.474853] ? warn_alloc+0x120/0x120 [ 286.480848] ? mark_held_locks+0x130/0x130 [ 286.483000] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 286.483022] lowmem_reserve[]: 0 0 0 0 [ 286.483034] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB [ 286.486844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.491062] 1*32kB [ 286.525819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.529589] (U) [ 286.534243] ? should_fail+0x22d/0xd01 [ 286.539745] 2*64kB [ 286.541975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.547486] (U) 1*128kB [ 286.549561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.553413] (U) [ 286.555636] ? should_fail+0x22d/0xd01 [ 286.560710] 1*256kB [ 286.563367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.568873] (U) [ 286.571083] ? should_fail+0x22d/0xd01 [ 286.574935] 0*512kB 1*1024kB [ 286.577255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.582321] (U) 1*2048kB [ 286.584291] ? mark_held_locks+0x130/0x130 [ 286.588145] (M) [ 286.591233] ? mark_held_locks+0x130/0x130 [ 286.596304] 3*4096kB [ 286.599049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.603245] (M) = 15908kB [ 286.605315] ? trace_hardirqs_off+0xb8/0x310 [ 286.609519] Node 0 [ 286.612423] ? kasan_check_read+0x11/0x20 [ 286.617956] DMA32: [ 286.620699] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.625072] 6*4kB [ 286.627294] ? trace_hardirqs_on+0x310/0x310 [ 286.631411] (UME) [ 286.633633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.638006] 2*8kB (UE) [ 286.640148] ? wq_watchdog_touch+0x9c/0xfe [ 286.644533] 4*16kB [ 286.646677] ? io_serial_in+0x11/0x90 [ 286.652183] (UME) [ 286.654753] ? retint_kernel+0x2d/0x2d [ 286.658957] 4*32kB [ 286.661178] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.664946] (UME) [ 286.667085] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.670948] 5*64kB (ME) [ 286.673175] ? trace_hardirqs_off+0x310/0x310 [ 286.678075] 5*128kB [ 286.680207] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.684930] (UME) [ 286.687591] __alloc_pages_nodemask+0xa80/0xde0 [ 286.692060] 4*256kB [ 286.694369] ? should_fail+0x22d/0xd01 [ 286.699444] (ME) [ 286.701577] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.706213] 5*512kB [ 286.708529] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.712381] (UME) [ 286.714429] ? lock_downgrade+0x900/0x900 [ 286.719414] 4*1024kB [ 286.721724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.726370] (UME) [ 286.728514] cache_grow_begin+0x91/0x8c0 [ 286.732633] 2*2048kB [ 286.735034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.740537] (ME) [ 286.742674] fallback_alloc+0x203/0x2e0 [ 286.746705] 3*4096kB [ 286.749103] ____cache_alloc_node+0x1c7/0x1e0 [ 286.753480] (M) [ 286.755538] kmem_cache_alloc_node+0xe3/0x730 [ 286.759481] = 25256kB [ 286.761882] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.766344] Node 0 [ 286.768400] __alloc_skb+0x119/0x770 [ 286.772865] Normal: 1063*4kB [ 286.775267] ? skb_scrub_packet+0x490/0x490 [ 286.779464] (UMEH) 420*8kB [ 286.781699] ? lock_downgrade+0x900/0x900 [ 286.785378] (UME) [ 286.788930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.793218] 170*16kB [ 286.796137] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.800252] (UMEH) [ 286.802387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.807890] 65*32kB [ 286.810286] ? addrconf_rs_timer+0x690/0x690 [ 286.815701] (UME) [ 286.817924] ndisc_alloc_skb+0x144/0x340 [ 286.823343] 9*64kB [ 286.825650] ndisc_send_rs+0x331/0x6e0 [ 286.830020] (UM) 0*128kB [ 286.832163] addrconf_rs_timer+0x314/0x690 [ 286.836199] 0*256kB [ 286.838419] ? lock_release+0x970/0x970 [ 286.842276] 0*512kB [ 286.845024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.849225] 1*1024kB (H) [ 286.851545] call_timer_fn+0x272/0x920 [ 286.855492] 0*2048kB [ 286.857802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.862002] 0*4096kB [ 286.864748] ? process_timeout+0x40/0x40 [ 286.868605] = 14012kB [ 286.870999] ? kasan_check_read+0x11/0x20 [ 286.875209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.877598] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.881630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.884021] ? trace_hardirqs_on+0x310/0x310 [ 286.888137] 4986 total pagecache pages [ 286.896959] ? __run_timers+0x7da/0xc70 [ 286.901338] 0 pages in swap cache [ 286.909918] ? lock_downgrade+0x900/0x900 [ 286.914309] Swap cache stats: add 0, delete 0, find 0/0 [ 286.918185] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.922126] Free swap = 0kB [ 286.925733] ? trace_hardirqs_on+0xbd/0x310 [ 286.929843] Total swap = 0kB [ 286.929851] 1965979 pages RAM [ 286.935197] ? kasan_check_read+0x11/0x20 [ 286.940270] 0 pages HighMem/MovableOnly [ 286.943285] ? __run_timers+0x7da/0xc70 [ 286.947584] 342307 pages reserved [ 286.950600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.953672] 0 pages cma reserved [ 286.953726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.957812] ? kasan_check_write+0x14/0x20 [ 286.961820] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.965854] ? do_raw_spin_lock+0xc1/0x200 [ 286.969277] syz-executor4 cpuset= [ 286.974712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.978047] syz4 [ 286.984526] __run_timers+0x7e5/0xc70 [ 286.988723] mems_allowed=0 [ 287.019711] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.025062] ? compat_start_thread+0x80/0x80 [ 287.029457] ? dequeue_entity+0x1770/0x1770 [ 287.033778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.039302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.044831] ? kasan_check_write+0x14/0x20 [ 287.049054] ? finish_task_switch+0x2f5/0x900 [ 287.053539] ? __switch_to_asm+0x40/0x70 [ 287.057608] ? preempt_notifier_register+0x200/0x200 [ 287.062698] ? __switch_to_asm+0x34/0x70 [ 287.066752] ? __switch_to_asm+0x40/0x70 [ 287.070800] ? __switch_to_asm+0x34/0x70 [ 287.074848] ? __switch_to_asm+0x40/0x70 [ 287.078982] ? __switch_to_asm+0x34/0x70 [ 287.083034] ? __switch_to_asm+0x40/0x70 [ 287.087090] ? pvclock_read_flags+0x160/0x160 [ 287.091580] ? __schedule+0x874/0x1ed0 [ 287.095454] ? run_rebalance_domains+0x38d/0x500 [ 287.100412] ? trace_hardirqs_on+0xbd/0x310 [ 287.104986] ? kvm_sched_clock_read+0x9/0x20 [ 287.109388] ? run_ksoftirqd+0x94/0x100 [ 287.113357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.118888] ? check_preemption_disabled+0x48/0x200 [ 287.124838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.133038] run_timer_softirq+0x52/0xb0 [ 287.137094] ? __this_cpu_preempt_check+0x1c/0x1f [ 287.141928] __do_softirq+0x30b/0xad8 [ 287.145731] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.150825] ? trace_hardirqs_off+0xb8/0x310 [ 287.155226] ? schedule+0x108/0x460 [ 287.159323] ? __schedule+0x1ed0/0x1ed0 [ 287.163288] ? run_ksoftirqd+0x99/0x100 [ 287.167251] ? trace_hardirqs_off+0xb8/0x310 [ 287.171648] ? ___might_sleep+0x1ed/0x300 [ 287.175784] ? smpboot_thread_fn+0x68b/0xa00 [ 287.180182] ? trace_hardirqs_on+0x310/0x310 [ 287.184579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.190105] ? check_preemption_disabled+0x48/0x200 [ 287.195626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.201639] ? takeover_tasklets+0xa90/0xa90 [ 287.206042] run_ksoftirqd+0x94/0x100 [ 287.209832] smpboot_thread_fn+0x68b/0xa00 [ 287.214056] ? sort_range+0x30/0x30 [ 287.217845] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.223460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.228989] ? __kthread_parkme+0xfb/0x1a0 [ 287.233216] kthread+0x35a/0x420 [ 287.236581] ? sort_range+0x30/0x30 [ 287.240196] ? kthread_bind+0x40/0x40 [ 287.243993] ret_from_fork+0x3a/0x50 [ 287.247709] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 287.247757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.254971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.254975] Call Trace: [ 287.254980] [ 287.254993] dump_stack+0x1c4/0x2b4 [ 287.255010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.261547] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.270840] warn_alloc.cold.119+0xb7/0x1bd [ 287.273393] ksoftirqd/1 cpuset= [ 287.275527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.279122] / [ 287.284299] ? lock_downgrade+0x900/0x900 [ 287.295480] mems_allowed=0 [ 287.299787] ? trace_hardirqs_off+0xb8/0x310 [ 287.320977] ? trace_hardirqs_off+0xb8/0x310 [ 287.325379] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.330226] ? warn_alloc+0x120/0x120 [ 287.334014] ? trace_hardirqs_on+0x310/0x310 [ 287.338411] ? warn_alloc+0x120/0x120 [ 287.342211] ? warn_alloc+0x120/0x120 [ 287.345998] ? ktime_get+0x2e1/0x440 [ 287.349702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.355230] ? check_preemption_disabled+0x48/0x200 [ 287.360236] ? kasan_check_read+0x11/0x20 [ 287.364372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.369897] ? should_fail+0x22d/0xd01 [ 287.373773] ? rcu_bh_qs+0xc0/0xc0 [ 287.377324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.382420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.387974] ? should_fail+0x22d/0xd01 [ 287.391855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.396953] ? should_fail+0x22d/0xd01 [ 287.400832] ? rcu_idle_enter+0x4b0/0x4b0 [ 287.404973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.410070] ? mark_held_locks+0x130/0x130 [ 287.414487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.420013] ? mark_held_locks+0x130/0x130 [ 287.424240] ? rcu_irq_exit+0xce/0x100 [ 287.428116] ? irq_exit+0xbd/0x1c0 [ 287.431646] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 287.436653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.441053] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.446926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.453788] ? ret_from_intr+0xb/0x1e [ 287.457575] ? retint_kernel+0x2d/0x2d [ 287.461461] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.466381] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.471128] ? trace_hardirqs_off+0x310/0x310 [ 287.475612] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.480710] __alloc_pages_nodemask+0xa80/0xde0 [ 287.485371] ? should_fail+0x22d/0xd01 [ 287.489251] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.494270] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.498930] ? lock_downgrade+0x900/0x900 [ 287.503075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.508602] cache_grow_begin+0x91/0x8c0 [ 287.512655] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.517056] fallback_alloc+0x203/0x2e0 [ 287.521023] ____cache_alloc_node+0x1c7/0x1e0 [ 287.525509] kmem_cache_alloc_node+0xe3/0x730 [ 287.529996] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.534225] __alloc_skb+0x119/0x770 [ 287.537944] ? skb_scrub_packet+0x490/0x490 [ 287.542256] ? lock_downgrade+0x900/0x900 [ 287.546407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.551946] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.557405] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.562855] ? addrconf_rs_timer+0x690/0x690 [ 287.567258] ndisc_alloc_skb+0x144/0x340 [ 287.571310] ndisc_send_rs+0x331/0x6e0 [ 287.575203] addrconf_rs_timer+0x314/0x690 [ 287.579440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.583674] call_timer_fn+0x272/0x920 [ 287.587548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.591783] ? process_timeout+0x40/0x40 [ 287.595937] ? trace_hardirqs_off+0xb8/0x310 [ 287.600380] ? kasan_check_read+0x11/0x20 [ 287.604522] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.608922] ? trace_hardirqs_on+0x310/0x310 [ 287.613324] ? __run_timers+0x7da/0xc70 [ 287.617291] ? lock_downgrade+0x900/0x900 [ 287.621435] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.626530] ? trace_hardirqs_on+0xbd/0x310 [ 287.630842] ? kasan_check_read+0x11/0x20 [ 287.634978] ? __run_timers+0x7da/0xc70 [ 287.638946] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.644385] ? kasan_check_write+0x14/0x20 [ 287.648615] ? do_raw_spin_lock+0xc1/0x200 [ 287.652845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.657069] __run_timers+0x7e5/0xc70 [ 287.660864] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.666222] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.671227] ? timerqueue_add+0x207/0x2b0 [ 287.675368] ? enqueue_hrtimer+0x1a5/0x560 [ 287.679584] ? lock_release+0x970/0x970 [ 287.683549] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.688743] ? kasan_check_write+0x14/0x20 [ 287.692974] ? pvclock_read_flags+0x160/0x160 [ 287.697467] ? lock_downgrade+0x900/0x900 [ 287.701607] ? trace_hardirqs_on+0xbd/0x310 [ 287.705917] ? kvm_sched_clock_read+0x9/0x20 [ 287.710321] ? irq_exit+0x17f/0x1c0 [ 287.713938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.719464] ? check_preemption_disabled+0x48/0x200 [ 287.724471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.730003] run_timer_softirq+0x52/0xb0 [ 287.734057] ? __this_cpu_preempt_check+0x1c/0x1f [ 287.738889] __do_softirq+0x30b/0xad8 [ 287.742683] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.747775] ? pvclock_read_flags+0x160/0x160 [ 287.752259] ? lapic_next_event+0x5a/0x90 [ 287.756396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.761952] ? clockevents_program_event+0x140/0x370 [ 287.767050] ? kvm_clock_read+0x18/0x30 [ 287.771013] ? kvm_sched_clock_read+0x9/0x20 [ 287.775419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.780951] ? check_preemption_disabled+0x48/0x200 [ 287.785964] irq_exit+0x17f/0x1c0 [ 287.789414] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.794252] ? smp_reschedule_interrupt+0x109/0x650 [ 287.799262] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.805133] ? interrupt_entry+0xb5/0xf0 [ 287.809189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.814194] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.819201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.824035] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.829040] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.834046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.839570] ? check_preemption_disabled+0x48/0x200 [ 287.844581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.849429] apic_timer_interrupt+0xf/0x20 [ 287.853646] [ 287.855899] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.860823] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 287.879722] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.887424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 287.894680] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 287.901939] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 287.909195] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 287.916455] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.923725] ? trace_hardirqs_on+0xb4/0x310 [ 287.928040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.933750] skb_clone+0x1bb/0x500 [ 287.937301] ? finish_task_switch+0x2f5/0x900 [ 287.941779] ? skb_split+0x11e0/0x11e0 [ 287.945654] ? preempt_notifier_register+0x200/0x200 [ 287.950743] ? __switch_to_asm+0x34/0x70 [ 287.954794] ? __switch_to_asm+0x34/0x70 [ 287.958839] ? __switch_to_asm+0x40/0x70 [ 287.962886] ? __switch_to_asm+0x34/0x70 [ 287.966936] ? __switch_to_asm+0x40/0x70 [ 287.970988] ? __switch_to_asm+0x34/0x70 [ 287.975036] ? __switch_to_asm+0x40/0x70 [ 287.979083] ? __switch_to_asm+0x34/0x70 [ 287.983131] ? __switch_to_asm+0x34/0x70 [ 287.987179] ? __switch_to_asm+0x40/0x70 [ 287.991226] ? __switch_to_asm+0x34/0x70 [ 287.995283] bpf_clone_redirect+0xb9/0x490 [ 287.999511] ? __schedule+0x874/0x1ed0 [ 288.003395] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 288.008320] ? __sched_text_start+0x8/0x8 [ 288.012458] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.017204] ? retint_kernel+0x2d/0x2d [ 288.021119] ? lock_acquire+0x1ed/0x520 [ 288.025080] ? bpf_test_run+0x32e/0x5a0 [ 288.029045] ? lock_release+0x970/0x970 [ 288.033008] ? preempt_schedule+0x4d/0x60 [ 288.037145] ? preempt_schedule_common+0x1f/0xd0 [ 288.041888] ? preempt_schedule+0x4d/0x60 [ 288.046038] ? ___preempt_schedule+0x16/0x18 [ 288.050441] ? bpf_test_run+0x1c0/0x5a0 [ 288.054416] ? netlink_diag_dump+0x2a0/0x2a0 [ 288.058819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.064345] ? bpf_test_init.isra.9+0x70/0x100 [ 288.068919] ? bpf_prog_test_run_skb+0x634/0xb40 [ 288.073668] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 288.078503] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.084029] ? fput+0x130/0x1a0 [ 288.087299] ? __bpf_prog_get+0x9b/0x290 [ 288.091349] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 288.096183] ? bpf_prog_test_run+0x130/0x1a0 [ 288.100582] ? __x64_sys_bpf+0x3d8/0x510 [ 288.104632] ? bpf_prog_get+0x20/0x20 [ 288.108942] ? do_syscall_64+0x1b9/0x820 [ 288.112997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.118354] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.123287] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.128299] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.133305] ? recalc_sigpending_tsk+0x180/0x180 [ 288.138051] ? kasan_check_write+0x14/0x20 [ 288.142277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.147114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.152471] warn_alloc_show_mem: 1 callbacks suppressed [ 288.152480] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 288.152482] Mem-Info: [ 288.152511] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 288.152511] active_file:16 inactive_file:17 isolated_file:0 [ 288.152511] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.152511] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 288.152511] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 288.152511] free:13792 free_pcp:309 free_cma:0 [ 288.157836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.157842] Call Trace: [ 288.164677] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.167073] dump_stack+0x1c4/0x2b4 [ 288.200111] Node 0 [ 288.209457] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.212031] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 288.239965] ? isolate_lru_page+0x22e0/0x22e0 [ 288.243560] lowmem_reserve[]: [ 288.245786] warn_alloc.cold.119+0xb7/0x1bd [ 288.250941] 0 [ 288.276953] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.281413] 2819 [ 288.284505] ? lock_downgrade+0x900/0x900 [ 288.288792] 6323 [ 288.290581] ? trace_hardirqs_off+0xb8/0x310 [ 288.295391] 6323 [ 288.297437] ? trace_hardirqs_off+0xb8/0x310 [ 288.303602] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.307986] Node 0 [ 288.310041] ? mark_held_locks+0x130/0x130 [ 288.314434] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 288.319243] ? warn_alloc+0x120/0x120 [ 288.321443] lowmem_reserve[]: 0 [ 288.325671] ? warn_alloc+0x120/0x120 [ 288.352621] 0 [ 288.356409] ? warn_alloc+0x120/0x120 [ 288.359652] 3503 [ 288.363434] ? mark_held_locks+0x130/0x130 [ 288.365208] 3503 [ 288.369015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.375749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.377967] Node 0 [ 288.383487] ? should_fail+0x22d/0xd01 [ 288.389012] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 288.391212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.395064] lowmem_reserve[]: [ 288.425915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.430984] 0 0 [ 288.434100] ? should_fail+0x22d/0xd01 [ 288.439613] 0 [ 288.441577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.445431] 0 [ 288.447221] ? should_fail+0x22d/0xd01 [ 288.454284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.458135] Node 0 DMA: [ 288.463221] ? mark_held_locks+0x130/0x130 [ 288.463235] ? mark_held_locks+0x130/0x130 [ 288.466901] 1*4kB [ 288.471127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.475325] (U) [ 288.477466] ? trace_hardirqs_off+0xb8/0x310 [ 288.482969] 0*8kB [ 288.484938] ? kasan_check_read+0x11/0x20 [ 288.491392] 0*16kB [ 288.493532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.497643] 1*32kB [ 288.500359] ? trace_hardirqs_on+0x310/0x310 [ 288.504738] (U) [ 288.506971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.511353] 2*64kB [ 288.513315] ? wq_watchdog_touch+0x9c/0xfe [ 288.519572] (U) [ 288.525170] ? io_serial_in+0x11/0x90 [ 288.529373] 1*128kB [ 288.531343] ? retint_kernel+0x2d/0x2d [ 288.535109] (U) [ 288.537419] ? trace_hardirqs_on_caller+0xc0/0x310 [ 288.541275] 1*256kB [ 288.543234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.548126] (U) [ 288.550436] ? trace_hardirqs_off+0x310/0x310 [ 288.555158] 0*512kB [ 288.557118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.561582] 1*1024kB [ 288.563895] __alloc_pages_nodemask+0xa80/0xde0 [ 288.568956] (U) 1*2048kB [ 288.571366] ? should_fail+0x22d/0xd01 [ 288.576001] (M) [ 288.578748] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.582602] 3*4096kB [ 288.584573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.589540] (M) = 15908kB [ 288.591942] ? lock_downgrade+0x900/0x900 [ 288.596576] Node 0 [ 288.599324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.603465] DMA32: 6*4kB [ 288.605698] cache_grow_begin+0x91/0x8c0 [ 288.611201] (UME) [ 288.613947] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.617976] 2*8kB [ 288.620119] fallback_alloc+0x203/0x2e0 [ 288.624494] (UE) [ 288.626633] ____cache_alloc_node+0x1c7/0x1e0 [ 288.630576] 4*16kB [ 288.632625] kmem_cache_alloc_node+0xe3/0x730 [ 288.637089] (UME) [ 288.639310] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.643768] 4*32kB (UME) [ 288.645913] __alloc_skb+0x119/0x770 [ 288.650113] 5*64kB [ 288.653347] ? skb_scrub_packet+0x490/0x490 [ 288.657032] (ME) [ 288.659254] ? lock_downgrade+0x900/0x900 [ 288.663536] 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 288.663565] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 288.663617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.663623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.663626] 4986 total pagecache pages [ 288.663630] 0 pages in swap cache [ 288.663635] Swap cache stats: add 0, delete 0, find 0/0 [ 288.663637] Free swap = 0kB [ 288.663639] Total swap = 0kB [ 288.663642] 1965979 pages RAM [ 288.663645] 0 pages HighMem/MovableOnly [ 288.663647] 342307 pages reserved [ 288.663649] 0 pages cma reserved [ 288.663692] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.663729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.663732] syz-executor4 cpuset=syz4 mems_allowed=0 [ 288.768117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.773644] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.779085] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.784899] ? addrconf_rs_timer+0x690/0x690 [ 288.789305] ndisc_alloc_skb+0x144/0x340 [ 288.793365] ndisc_send_rs+0x331/0x6e0 [ 288.797246] addrconf_rs_timer+0x314/0x690 [ 288.801478] ? lock_release+0x970/0x970 [ 288.805447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.809680] call_timer_fn+0x272/0x920 [ 288.813556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.818245] ? process_timeout+0x40/0x40 [ 288.822294] ? kasan_check_read+0x11/0x20 [ 288.826443] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.830844] ? trace_hardirqs_on+0x310/0x310 [ 288.835714] ? __run_timers+0x7da/0xc70 [ 288.839677] ? lock_downgrade+0x900/0x900 [ 288.843814] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.848913] ? trace_hardirqs_on+0xbd/0x310 [ 288.853219] ? kasan_check_read+0x11/0x20 [ 288.857355] ? __run_timers+0x7da/0xc70 [ 288.861327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.866765] ? kasan_check_write+0x14/0x20 [ 288.870992] ? do_raw_spin_lock+0xc1/0x200 [ 288.875219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.879451] __run_timers+0x7e5/0xc70 [ 288.883248] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.888619] ? compat_start_thread+0x80/0x80 [ 288.893015] ? dequeue_entity+0x1770/0x1770 [ 288.897332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.902872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.908398] ? kasan_check_write+0x14/0x20 [ 288.912623] ? finish_task_switch+0x2f5/0x900 [ 288.917105] ? __switch_to_asm+0x40/0x70 [ 288.921162] ? preempt_notifier_register+0x200/0x200 [ 288.926255] ? __switch_to_asm+0x34/0x70 [ 288.930309] ? __switch_to_asm+0x40/0x70 [ 288.935132] ? __switch_to_asm+0x34/0x70 [ 288.940994] ? __switch_to_asm+0x40/0x70 [ 288.945042] ? __switch_to_asm+0x34/0x70 [ 288.949778] ? __switch_to_asm+0x40/0x70 [ 288.953838] ? pvclock_read_flags+0x160/0x160 [ 288.958328] ? __schedule+0x874/0x1ed0 [ 288.962207] ? run_rebalance_domains+0x38d/0x500 [ 288.966956] ? trace_hardirqs_on+0xbd/0x310 [ 288.971266] ? kvm_sched_clock_read+0x9/0x20 [ 288.975665] ? run_ksoftirqd+0x94/0x100 [ 288.979628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.985157] ? check_preemption_disabled+0x48/0x200 [ 288.990162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.995692] run_timer_softirq+0x52/0xb0 [ 288.999742] ? __this_cpu_preempt_check+0x1c/0x1f [ 289.004576] __do_softirq+0x30b/0xad8 [ 289.008858] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.013963] ? trace_hardirqs_off+0xb8/0x310 [ 289.018364] ? schedule+0x108/0x460 [ 289.021980] ? __schedule+0x1ed0/0x1ed0 [ 289.025946] ? run_ksoftirqd+0x99/0x100 [ 289.029909] ? trace_hardirqs_off+0xb8/0x310 [ 289.034782] ? ___might_sleep+0x1ed/0x300 [ 289.038917] ? smpboot_thread_fn+0x68b/0xa00 [ 289.043318] ? trace_hardirqs_on+0x310/0x310 [ 289.047718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.053245] ? check_preemption_disabled+0x48/0x200 [ 289.058254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.063782] ? takeover_tasklets+0xa90/0xa90 [ 289.068184] run_ksoftirqd+0x94/0x100 [ 289.071979] smpboot_thread_fn+0x68b/0xa00 [ 289.076202] ? sort_range+0x30/0x30 [ 289.079926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.085022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.090549] ? __kthread_parkme+0xfb/0x1a0 [ 289.094777] kthread+0x35a/0x420 [ 289.098131] ? sort_range+0x30/0x30 [ 289.101748] ? kthread_bind+0x40/0x40 [ 289.105986] ret_from_fork+0x3a/0x50 [ 289.109704] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 289.109754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.116969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.116972] Call Trace: [ 289.116977] [ 289.116991] dump_stack+0x1c4/0x2b4 [ 289.117008] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.124068] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.133353] warn_alloc.cold.119+0xb7/0x1bd [ 289.135908] ksoftirqd/1 cpuset= [ 289.138044] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.141636] / [ 289.146813] ? lock_downgrade+0x900/0x900 [ 289.157095] mems_allowed=0 [ 289.161397] ? trace_hardirqs_off+0xb8/0x310 [ 289.182608] ? trace_hardirqs_off+0xb8/0x310 [ 289.187014] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.191878] ? warn_alloc+0x120/0x120 [ 289.195671] ? warn_alloc+0x120/0x120 [ 289.199464] ? warn_alloc+0x120/0x120 [ 289.203255] ? lock_release+0x970/0x970 [ 289.207228] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.212411] ? trace_hardirqs_on+0x310/0x310 [ 289.216814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.222353] ? should_fail+0x22d/0xd01 [ 289.226233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.231331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.236862] ? should_fail+0x22d/0xd01 [ 289.240745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.245839] ? should_fail+0x22d/0xd01 [ 289.249724] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.254817] ? mark_held_locks+0x130/0x130 [ 289.259046] ? mark_held_locks+0x130/0x130 [ 289.263269] ? kvm_clock_read+0x18/0x30 [ 289.267244] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.272257] ? ktime_get+0x2e1/0x440 [ 289.275970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.281498] ? check_preemption_disabled+0x48/0x200 [ 289.286504] ? kasan_check_read+0x11/0x20 [ 289.290647] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.295914] ? rcu_bh_qs+0xc0/0xc0 [ 289.299444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.304972] ? check_preemption_disabled+0x48/0x200 [ 289.310125] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.315149] ? widen_string+0xe0/0x2e0 [ 289.319035] __alloc_pages_nodemask+0xa80/0xde0 [ 289.323696] ? should_fail+0x22d/0xd01 [ 289.327580] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.332618] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.337285] ? lock_downgrade+0x900/0x900 [ 289.341431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.346963] cache_grow_begin+0x91/0x8c0 [ 289.351018] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.355421] fallback_alloc+0x203/0x2e0 [ 289.359401] ____cache_alloc_node+0x1c7/0x1e0 [ 289.363886] kmem_cache_alloc_node+0xe3/0x730 [ 289.368378] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.372618] __alloc_skb+0x119/0x770 [ 289.376323] ? skb_scrub_packet+0x490/0x490 [ 289.380635] ? lock_downgrade+0x900/0x900 [ 289.384775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.390306] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.395751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.401306] ? addrconf_rs_timer+0x690/0x690 [ 289.405715] ndisc_alloc_skb+0x144/0x340 [ 289.409767] ndisc_send_rs+0x331/0x6e0 [ 289.413646] addrconf_rs_timer+0x314/0x690 [ 289.417874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.422105] call_timer_fn+0x272/0x920 [ 289.425985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.430210] ? process_timeout+0x40/0x40 [ 289.434266] ? trace_hardirqs_off+0xb8/0x310 [ 289.438665] ? kasan_check_read+0x11/0x20 [ 289.442803] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.447204] ? trace_hardirqs_on+0x310/0x310 [ 289.453670] ? __run_timers+0x7da/0xc70 [ 289.457641] ? lock_downgrade+0x900/0x900 [ 289.461783] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.467506] ? trace_hardirqs_on+0xbd/0x310 [ 289.471826] ? kasan_check_read+0x11/0x20 [ 289.475964] ? __run_timers+0x7da/0xc70 [ 289.479929] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.485938] ? kasan_check_write+0x14/0x20 [ 289.490169] ? do_raw_spin_lock+0xc1/0x200 [ 289.494406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.498634] __run_timers+0x7e5/0xc70 [ 289.502436] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.507792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.512802] ? timerqueue_add+0x207/0x2b0 [ 289.516940] ? enqueue_hrtimer+0x1a5/0x560 [ 289.521164] ? lock_release+0x970/0x970 [ 289.525130] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.530315] ? kasan_check_write+0x14/0x20 [ 289.534543] ? pvclock_read_flags+0x160/0x160 [ 289.539031] ? lock_downgrade+0x900/0x900 [ 289.543210] ? trace_hardirqs_on+0xbd/0x310 [ 289.547522] ? kvm_sched_clock_read+0x9/0x20 [ 289.551920] ? irq_exit+0x17f/0x1c0 [ 289.555539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.561080] ? check_preemption_disabled+0x48/0x200 [ 289.566089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.571623] run_timer_softirq+0x52/0xb0 [ 289.575677] ? __this_cpu_preempt_check+0x1c/0x1f [ 289.580511] __do_softirq+0x30b/0xad8 [ 289.584306] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.589508] ? pvclock_read_flags+0x160/0x160 [ 289.593990] ? lapic_next_event+0x5a/0x90 [ 289.598129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.603657] ? clockevents_program_event+0x140/0x370 [ 289.608752] ? kvm_clock_read+0x18/0x30 [ 289.612717] ? kvm_sched_clock_read+0x9/0x20 [ 289.617120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.622647] ? check_preemption_disabled+0x48/0x200 [ 289.627675] irq_exit+0x17f/0x1c0 [ 289.631138] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.635987] ? smp_reschedule_interrupt+0x109/0x650 [ 289.640998] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.646881] ? interrupt_entry+0xb5/0xf0 [ 289.650932] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.655936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.660943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.665778] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.670804] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.675813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.681364] ? check_preemption_disabled+0x48/0x200 [ 289.686389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.691234] apic_timer_interrupt+0xf/0x20 [ 289.695463] [ 289.697694] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.702614] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 289.721505] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.729210] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 289.736492] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 289.743755] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 289.751053] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 289.758312] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.765610] ? trace_hardirqs_on+0xb4/0x310 [ 289.769929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.775465] skb_clone+0x1bb/0x500 [ 289.778999] ? finish_task_switch+0x2f5/0x900 [ 289.783483] ? skb_split+0x11e0/0x11e0 [ 289.787365] ? preempt_notifier_register+0x200/0x200 [ 289.792456] ? __switch_to_asm+0x34/0x70 [ 289.796506] ? __switch_to_asm+0x34/0x70 [ 289.800556] ? __switch_to_asm+0x40/0x70 [ 289.804605] ? __switch_to_asm+0x34/0x70 [ 289.808653] ? __switch_to_asm+0x40/0x70 [ 289.812715] ? __switch_to_asm+0x34/0x70 [ 289.816773] ? __switch_to_asm+0x40/0x70 [ 289.820823] ? __switch_to_asm+0x34/0x70 [ 289.824871] ? __switch_to_asm+0x34/0x70 [ 289.828923] ? __switch_to_asm+0x40/0x70 [ 289.832972] ? __switch_to_asm+0x34/0x70 [ 289.837041] bpf_clone_redirect+0xb9/0x490 [ 289.841271] ? __schedule+0x874/0x1ed0 [ 289.845151] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 289.850071] ? __sched_text_start+0x8/0x8 [ 289.854213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.858982] ? retint_kernel+0x2d/0x2d [ 289.862866] ? lock_acquire+0x1ed/0x520 [ 289.866830] ? bpf_test_run+0x32e/0x5a0 [ 289.870796] ? lock_release+0x970/0x970 [ 289.874760] ? preempt_schedule+0x4d/0x60 [ 289.878899] ? preempt_schedule_common+0x1f/0xd0 [ 289.883649] ? preempt_schedule+0x4d/0x60 [ 289.887791] ? ___preempt_schedule+0x16/0x18 [ 289.892310] ? bpf_test_run+0x1c0/0x5a0 [ 289.896278] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.900681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.906207] ? bpf_test_init.isra.9+0x70/0x100 [ 289.910898] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.915649] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.920480] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.926005] ? fput+0x130/0x1a0 [ 289.929278] ? __bpf_prog_get+0x9b/0x290 [ 289.933329] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.938158] ? bpf_prog_test_run+0x130/0x1a0 [ 289.942556] ? __x64_sys_bpf+0x3d8/0x510 [ 289.946604] ? bpf_prog_get+0x20/0x20 [ 289.950402] ? do_syscall_64+0x1b9/0x820 [ 289.954455] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.959814] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.964737] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.969844] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.974852] ? recalc_sigpending_tsk+0x180/0x180 [ 289.979599] ? kasan_check_write+0x14/0x20 [ 289.983826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.988657] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.994030] warn_alloc_show_mem: 1 callbacks suppressed [ 289.994039] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 289.994040] Mem-Info: [ 289.994068] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 289.994068] active_file:16 inactive_file:17 isolated_file:0 [ 289.994068] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.994068] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 289.994068] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 289.994068] free:13792 free_pcp:309 free_cma:0 [ 289.999902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.006734] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.009122] Call Trace: [ 290.042152] Node 0 [ 290.051500] dump_stack+0x1c4/0x2b4 [ 290.079340] 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 [ 290.081901] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.084099] lowmem_reserve[]: [ 290.087711] ? isolate_lru_page+0x22e0/0x22e0 [ 290.113691] 0 [ 290.118880] warn_alloc.cold.119+0xb7/0x1bd [ 290.121944] 2819 [ 290.126422] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.128185] 6323 6323 [ 290.132500] ? lock_downgrade+0x900/0x900 [ 290.134533] Node 0 [ 290.139360] ? trace_hardirqs_off+0xb8/0x310 [ 290.141848] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 290.145970] ? trace_hardirqs_off+0xb8/0x310 [ 290.148173] lowmem_reserve[]: [ 290.152569] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.179511] 0 [ 290.183930] ? mark_held_locks+0x130/0x130 [ 290.187001] 0 [ 290.191829] ? warn_alloc+0x120/0x120 [ 290.193601] 3503 [ 290.197819] ? warn_alloc+0x120/0x120 [ 290.199591] 3503 [ 290.203376] ? warn_alloc+0x120/0x120 [ 290.209219] ? mark_held_locks+0x130/0x130 [ 290.211257] Node 0 [ 290.215044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.219277] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 290.219283] lowmem_reserve[]: [ 290.221510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.227017] 0 [ 290.255372] ? should_fail+0x22d/0xd01 [ 290.258446] 0 [ 290.264231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.266010] 0 [ 290.269897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.271677] 0 [ 290.277311] ? should_fail+0x22d/0xd01 [ 290.285515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.287304] Node 0 [ 290.291176] ? should_fail+0x22d/0xd01 [ 290.296259] DMA: 1*4kB [ 290.298492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.302346] (U) [ 290.304917] ? mark_held_locks+0x130/0x130 [ 290.309984] 0*8kB 0*16kB [ 290.311954] ? mark_held_locks+0x130/0x130 [ 290.316169] 1*32kB [ 290.318921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.323122] (U) [ 290.325355] ? trace_hardirqs_off+0xb8/0x310 [ 290.330860] 2*64kB [ 290.332819] ? kasan_check_read+0x11/0x20 [ 290.337197] (U) 1*128kB [ 290.339428] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.343540] (U) [ 290.346201] ? trace_hardirqs_on+0x310/0x310 [ 290.350578] 1*256kB (U) [ 290.352548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.356921] 0*512kB [ 290.360015] ? wq_watchdog_touch+0x9c/0xfe [ 290.365520] 1*1024kB [ 290.367831] ? io_serial_in+0x11/0x90 [ 290.372030] (U) [ 290.374426] ? retint_kernel+0x2d/0x2d [ 290.378202] 1*2048kB [ 290.380164] ? trace_hardirqs_on_caller+0xc0/0x310 [ 290.384027] (M) [ 290.386422] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.391316] 3*4096kB [ 290.393276] ? trace_hardirqs_off+0x310/0x310 [ 290.398000] (M) [ 290.400397] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.404855] = 15908kB [ 290.404862] Node 0 [ 290.406828] __alloc_pages_nodemask+0xa80/0xde0 [ 290.411898] DMA32: 6*4kB [ 290.414301] ? should_fail+0x22d/0xd01 [ 290.416506] (UME) [ 290.421633] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.424376] 2*8kB [ 290.428259] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.430387] (UE) [ 290.435387] ? lock_downgrade+0x900/0x900 [ 290.437516] 4*16kB [ 290.442181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.444215] (UME) [ 290.450727] cache_grow_begin+0x91/0x8c0 [ 290.450744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.452962] 4*32kB [ 290.458506] fallback_alloc+0x203/0x2e0 [ 290.460617] (UME) [ 290.464681] ____cache_alloc_node+0x1c7/0x1e0 [ 290.471806] 5*64kB (ME) [ 290.474047] kmem_cache_alloc_node+0xe3/0x730 [ 290.477988] 5*128kB [ 290.480122] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.485285] (UME) [ 290.489567] __alloc_skb+0x119/0x770 [ 290.494028] 4*256kB [ 290.496337] ? skb_scrub_packet+0x490/0x490 [ 290.500542] (ME) [ 290.502678] ? lock_downgrade+0x900/0x900 [ 290.506353] 5*512kB (UME) [ 290.508669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.512970] 4*1024kB [ 290.515016] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.519122] (UME) 2*2048kB [ 290.521963] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.527465] (ME) 3*4096kB [ 290.529871] ? addrconf_rs_timer+0x690/0x690 [ 290.535288] (M) [ 290.538211] ndisc_alloc_skb+0x144/0x340 [ 290.543623] = 25256kB [ 290.543630] Node 0 [ 290.546459] ndisc_send_rs+0x331/0x6e0 [ 290.550828] Normal: 1063*4kB [ 290.552797] addrconf_rs_timer+0x314/0x690 [ 290.556825] (UMEH) [ 290.559219] ? lock_release+0x970/0x970 [ 290.561428] 420*8kB [ 290.565299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.568373] (UME) [ 290.572616] call_timer_fn+0x272/0x920 [ 290.574820] 170*16kB [ 290.578777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.581070] (UMEH) [ 290.585288] ? process_timeout+0x40/0x40 [ 290.587409] 65*32kB [ 290.591277] ? kasan_check_read+0x11/0x20 [ 290.593665] (UME) [ 290.597888] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.600091] 9*64kB [ 290.604133] ? trace_hardirqs_on+0x310/0x310 [ 290.606427] (UM) [ 290.610561] ? __run_timers+0x7da/0xc70 [ 290.612681] 0*128kB [ 290.617075] ? lock_downgrade+0x900/0x900 [ 290.619281] 0*256kB [ 290.623672] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.625706] 0*512kB [ 290.629661] ? trace_hardirqs_on+0xbd/0x310 [ 290.631955] 1*1024kB [ 290.636083] ? kasan_check_read+0x11/0x20 [ 290.638374] (H) [ 290.643461] ? __run_timers+0x7da/0xc70 [ 290.645755] 0*2048kB [ 290.650069] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.652447] 0*4096kB [ 290.656576] ? kasan_check_write+0x14/0x20 [ 290.658775] = 14012kB [ 290.665750] ? do_raw_spin_lock+0xc1/0x200 [ 290.668137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.673565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.675947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.680166] __run_timers+0x7e5/0xc70 [ 290.682561] 4986 total pagecache pages [ 290.686775] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.695580] 0 pages in swap cache [ 290.699793] ? compat_start_thread+0x80/0x80 [ 290.699806] ? dequeue_entity+0x1770/0x1770 [ 290.708353] Swap cache stats: add 0, delete 0, find 0/0 [ 290.712147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.716020] Free swap = 0kB [ 290.721366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.724789] Total swap = 0kB [ 290.729191] ? kasan_check_write+0x14/0x20 [ 290.733482] 1965979 pages RAM [ 290.738829] ? finish_task_switch+0x2f5/0x900 [ 290.744333] 0 pages HighMem/MovableOnly [ 290.747336] ? __switch_to_asm+0x40/0x70 [ 290.752837] 342307 pages reserved [ 290.752843] 0 pages cma reserved [ 290.755850] ? preempt_notifier_register+0x200/0x200 [ 290.760100] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.763141] ? __switch_to_asm+0x34/0x70 [ 290.767649] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.771564] ? __switch_to_asm+0x40/0x70 [ 290.775596] syz-executor4 cpuset= [ 290.779031] ? __switch_to_asm+0x34/0x70 [ 290.782364] syz4 [ 290.787450] ? __switch_to_asm+0x40/0x70 [ 290.793910] mems_allowed=0 [ 290.797951] ? __switch_to_asm+0x34/0x70 [ 290.835551] ? __switch_to_asm+0x40/0x70 [ 290.839618] ? pvclock_read_flags+0x160/0x160 [ 290.844108] ? __schedule+0x874/0x1ed0 [ 290.847988] ? run_rebalance_domains+0x38d/0x500 [ 290.852738] ? trace_hardirqs_on+0xbd/0x310 [ 290.857050] ? kvm_sched_clock_read+0x9/0x20 [ 290.861452] ? run_ksoftirqd+0x94/0x100 [ 290.865424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.870953] ? check_preemption_disabled+0x48/0x200 [ 290.875962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.881983] run_timer_softirq+0x52/0xb0 [ 290.886037] ? __this_cpu_preempt_check+0x1c/0x1f [ 290.890870] __do_softirq+0x30b/0xad8 [ 290.894673] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.899768] ? trace_hardirqs_off+0xb8/0x310 [ 290.904171] ? schedule+0x108/0x460 [ 290.907793] ? __schedule+0x1ed0/0x1ed0 [ 290.911761] ? run_ksoftirqd+0x99/0x100 [ 290.915725] ? trace_hardirqs_off+0xb8/0x310 [ 290.920147] ? ___might_sleep+0x1ed/0x300 [ 290.924285] ? smpboot_thread_fn+0x68b/0xa00 [ 290.928786] ? trace_hardirqs_on+0x310/0x310 [ 290.933185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.938711] ? check_preemption_disabled+0x48/0x200 [ 290.943719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.949258] ? takeover_tasklets+0xa90/0xa90 [ 290.953663] run_ksoftirqd+0x94/0x100 [ 290.957453] smpboot_thread_fn+0x68b/0xa00 [ 290.961681] ? sort_range+0x30/0x30 [ 290.965302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.970416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.975945] ? __kthread_parkme+0xfb/0x1a0 [ 290.980529] kthread+0x35a/0x420 [ 290.983893] ? sort_range+0x30/0x30 [ 290.987581] ? kthread_bind+0x40/0x40 [ 290.991885] ret_from_fork+0x3a/0x50 [ 290.995599] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 290.995647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.002861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.002865] Call Trace: [ 291.002869] [ 291.002885] dump_stack+0x1c4/0x2b4 [ 291.002902] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.009419] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.018724] warn_alloc.cold.119+0xb7/0x1bd [ 291.021277] ksoftirqd/1 cpuset= [ 291.023427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.027020] / [ 291.032213] ? lock_downgrade+0x900/0x900 [ 291.042493] mems_allowed=0 [ 291.046803] ? trace_hardirqs_off+0xb8/0x310 [ 291.067997] ? trace_hardirqs_off+0xb8/0x310 [ 291.072403] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.077251] ? warn_alloc+0x120/0x120 [ 291.081047] ? warn_alloc+0x120/0x120 [ 291.084838] ? warn_alloc+0x120/0x120 [ 291.088627] ? mark_held_locks+0x130/0x130 [ 291.092853] ? trace_hardirqs_on+0x310/0x310 [ 291.097252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.102777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.108308] ? should_fail+0x22d/0xd01 [ 291.112185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.117284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.122812] ? should_fail+0x22d/0xd01 [ 291.126706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.131799] ? should_fail+0x22d/0xd01 [ 291.135683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.140780] ? mark_held_locks+0x130/0x130 [ 291.145004] ? mark_held_locks+0x130/0x130 [ 291.149230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.154759] ? trace_hardirqs_off+0xb8/0x310 [ 291.159159] ? kasan_check_read+0x11/0x20 [ 291.163300] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.167709] ? trace_hardirqs_on+0x310/0x310 [ 291.172109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.177642] ? wq_watchdog_touch+0x9c/0xfe [ 291.181869] ? io_serial_in+0x11/0x90 [ 291.185797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.191330] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.196448] __alloc_pages_nodemask+0xa80/0xde0 [ 291.201104] ? should_fail+0x22d/0xd01 [ 291.204996] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.210020] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.214682] ? lock_downgrade+0x900/0x900 [ 291.218827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.224368] cache_grow_begin+0x91/0x8c0 [ 291.228893] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.233295] fallback_alloc+0x203/0x2e0 [ 291.237274] ____cache_alloc_node+0x1c7/0x1e0 [ 291.241759] kmem_cache_alloc_node+0xe3/0x730 [ 291.246252] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.250480] __alloc_skb+0x119/0x770 [ 291.254184] ? skb_scrub_packet+0x490/0x490 [ 291.258497] ? lock_downgrade+0x900/0x900 [ 291.262637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.268165] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.273625] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.279067] ? addrconf_rs_timer+0x690/0x690 [ 291.283468] ndisc_alloc_skb+0x144/0x340 [ 291.287525] ndisc_send_rs+0x331/0x6e0 [ 291.291406] addrconf_rs_timer+0x314/0x690 [ 291.295634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.299868] call_timer_fn+0x272/0x920 [ 291.303746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.307972] ? process_timeout+0x40/0x40 [ 291.312021] ? trace_hardirqs_off+0xb8/0x310 [ 291.316418] ? kasan_check_read+0x11/0x20 [ 291.320558] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.324954] ? trace_hardirqs_on+0x310/0x310 [ 291.329351] ? __run_timers+0x7da/0xc70 [ 291.333314] ? lock_downgrade+0x900/0x900 [ 291.337451] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.342546] ? trace_hardirqs_on+0xbd/0x310 [ 291.346854] ? kasan_check_read+0x11/0x20 [ 291.350989] ? __run_timers+0x7da/0xc70 [ 291.354956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.360397] ? kasan_check_write+0x14/0x20 [ 291.364625] ? do_raw_spin_lock+0xc1/0x200 [ 291.368851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.373087] __run_timers+0x7e5/0xc70 [ 291.376908] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.382267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.387276] ? timerqueue_add+0x207/0x2b0 [ 291.391426] ? enqueue_hrtimer+0x1a5/0x560 [ 291.395652] ? lock_release+0x970/0x970 [ 291.399637] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.404820] ? kasan_check_write+0x14/0x20 [ 291.409047] ? pvclock_read_flags+0x160/0x160 [ 291.413529] ? lock_downgrade+0x900/0x900 [ 291.417670] ? trace_hardirqs_on+0xbd/0x310 [ 291.421978] ? kvm_sched_clock_read+0x9/0x20 [ 291.426375] ? irq_exit+0x17f/0x1c0 [ 291.429990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.435520] ? check_preemption_disabled+0x48/0x200 [ 291.440528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.446172] run_timer_softirq+0x52/0xb0 [ 291.452757] ? __this_cpu_preempt_check+0x1c/0x1f [ 291.457592] __do_softirq+0x30b/0xad8 [ 291.461388] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.466482] ? pvclock_read_flags+0x160/0x160 [ 291.472043] ? lapic_next_event+0x5a/0x90 [ 291.476181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.481705] ? clockevents_program_event+0x140/0x370 [ 291.487442] ? kvm_clock_read+0x18/0x30 [ 291.491402] ? kvm_sched_clock_read+0x9/0x20 [ 291.495804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.501332] ? check_preemption_disabled+0x48/0x200 [ 291.506347] irq_exit+0x17f/0x1c0 [ 291.509960] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.514831] ? smp_reschedule_interrupt+0x109/0x650 [ 291.519858] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.525730] ? interrupt_entry+0xb5/0xf0 [ 291.529785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.534792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.539920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.544756] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.549766] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.554773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.560302] ? check_preemption_disabled+0x48/0x200 [ 291.565312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.570152] apic_timer_interrupt+0xf/0x20 [ 291.574370] [ 291.576599] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.581521] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 291.600410] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.608114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 291.615373] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 291.622645] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 291.629900] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 291.637155] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 291.644423] ? trace_hardirqs_on+0xb4/0x310 [ 291.648741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.654270] skb_clone+0x1bb/0x500 [ 291.657802] ? finish_task_switch+0x2f5/0x900 [ 291.662287] ? skb_split+0x11e0/0x11e0 [ 291.666171] ? preempt_notifier_register+0x200/0x200 [ 291.671263] ? __switch_to_asm+0x34/0x70 [ 291.675312] ? __switch_to_asm+0x34/0x70 [ 291.679362] ? __switch_to_asm+0x40/0x70 [ 291.683419] ? __switch_to_asm+0x34/0x70 [ 291.687487] ? __switch_to_asm+0x40/0x70 [ 291.691543] ? __switch_to_asm+0x34/0x70 [ 291.695590] ? __switch_to_asm+0x40/0x70 [ 291.699639] ? __switch_to_asm+0x34/0x70 [ 291.703839] ? __switch_to_asm+0x34/0x70 [ 291.707899] ? __switch_to_asm+0x40/0x70 [ 291.711941] ? __switch_to_asm+0x34/0x70 [ 291.716012] bpf_clone_redirect+0xb9/0x490 [ 291.720241] ? __schedule+0x874/0x1ed0 [ 291.724120] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 291.729042] ? __sched_text_start+0x8/0x8 [ 291.733186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.737951] ? retint_kernel+0x2d/0x2d [ 291.741836] ? lock_acquire+0x1ed/0x520 [ 291.745800] ? bpf_test_run+0x32e/0x5a0 [ 291.749765] ? lock_release+0x970/0x970 [ 291.753727] ? preempt_schedule+0x4d/0x60 [ 291.757870] ? preempt_schedule_common+0x1f/0xd0 [ 291.762619] ? preempt_schedule+0x4d/0x60 [ 291.766756] ? ___preempt_schedule+0x16/0x18 [ 291.771151] ? bpf_test_run+0x1c0/0x5a0 [ 291.775121] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.779521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.785046] ? bpf_test_init.isra.9+0x70/0x100 [ 291.789630] ? bpf_prog_test_run_skb+0x634/0xb40 [ 291.794377] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.799210] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.804733] ? fput+0x130/0x1a0 [ 291.808014] ? __bpf_prog_get+0x9b/0x290 [ 291.812070] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.816902] ? bpf_prog_test_run+0x130/0x1a0 [ 291.821410] ? __x64_sys_bpf+0x3d8/0x510 [ 291.825632] ? bpf_prog_get+0x20/0x20 [ 291.829431] ? do_syscall_64+0x1b9/0x820 [ 291.833481] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 291.838832] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.843751] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.848761] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 291.853769] ? recalc_sigpending_tsk+0x180/0x180 [ 291.858525] ? kasan_check_write+0x14/0x20 [ 291.862762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.867594] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.872965] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 291.872970] warn_alloc_show_mem: 1 callbacks suppressed [ 291.872976] Mem-Info: [ 291.879806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.885163] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 291.885163] active_file:16 inactive_file:17 isolated_file:0 [ 291.885163] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.885163] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 291.885163] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 291.885163] free:13792 free_pcp:309 free_cma:0 [ 291.887528] Call Trace: [ 291.896896] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.931419] dump_stack+0x1c4/0x2b4 [ 291.933969] Node 0 [ 291.961805] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.965419] 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 [ 291.969619] ? isolate_lru_page+0x22e0/0x22e0 [ 291.974774] lowmem_reserve[]: [ 292.000754] warn_alloc.cold.119+0xb7/0x1bd [ 292.005226] 0 [ 292.008315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.012622] 2819 [ 292.014879] ? lock_downgrade+0x900/0x900 [ 292.019703] 6323 [ 292.021758] ? trace_hardirqs_off+0xb8/0x310 [ 292.025875] 6323 [ 292.027922] ? trace_hardirqs_off+0xb8/0x310 [ 292.034433] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.038810] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 292.044198] ? mark_held_locks+0x130/0x130 [ 292.044214] ? warn_alloc+0x120/0x120 [ 292.071768] lowmem_reserve[]: [ 292.076000] ? warn_alloc+0x120/0x120 [ 292.079768] 0 [ 292.082858] ? warn_alloc+0x120/0x120 [ 292.086633] 0 3503 [ 292.088428] ? mark_held_locks+0x130/0x130 [ 292.092198] 3503 [ 292.094438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.100689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.106193] Node 0 [ 292.112125] ? should_fail+0x22d/0xd01 [ 292.112150] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 292.112157] lowmem_reserve[]: [ 292.114389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.118251] 0 [ 292.146930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.150001] 0 [ 292.155086] ? should_fail+0x22d/0xd01 [ 292.156856] 0 [ 292.162380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.164151] 0 [ 292.168025] ? should_fail+0x22d/0xd01 [ 292.174903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.176675] Node 0 [ 292.180550] ? mark_held_locks+0x130/0x130 [ 292.185616] DMA: 1*4kB [ 292.187848] ? mark_held_locks+0x130/0x130 [ 292.192058] (U) [ 292.194629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.198829] 0*8kB [ 292.200788] ? trace_hardirqs_off+0xb8/0x310 [ 292.206306] 0*16kB [ 292.208442] ? kasan_check_read+0x11/0x20 [ 292.212812] 1*32kB (U) [ 292.215157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.219269] 2*64kB [ 292.221835] ? trace_hardirqs_on+0x310/0x310 [ 292.226211] (U) [ 292.228436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.232812] 1*128kB [ 292.234773] ? wq_watchdog_touch+0x9c/0xfe [ 292.240415] (U) 1*256kB [ 292.243583] ? io_serial_in+0x11/0x90 [ 292.247779] (U) 0*512kB [ 292.250446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.254214] 1*1024kB [ 292.256873] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.262375] (U) [ 292.264774] __alloc_pages_nodemask+0xa80/0xde0 [ 292.269850] 1*2048kB [ 292.272726] ? should_fail+0x22d/0xd01 [ 292.277985] (M) [ 292.280391] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.284236] 3*4096kB (M) [ 292.286216] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.291187] = 15908kB [ 292.293928] ? lock_downgrade+0x900/0x900 [ 292.298561] Node 0 [ 292.300959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.305112] DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 292.305165] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 292.305216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.305221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.305224] 4986 total pagecache pages [ 292.305229] 0 pages in swap cache [ 292.305233] Swap cache stats: add 0, delete 0, find 0/0 [ 292.305236] Free swap = 0kB [ 292.305238] Total swap = 0kB [ 292.305242] 1965979 pages RAM [ 292.305244] 0 pages HighMem/MovableOnly [ 292.305247] 342307 pages reserved [ 292.305249] 0 pages cma reserved [ 292.305293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.305328] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.305331] syz-executor4 cpuset=syz4 mems_allowed=0 [ 292.417383] cache_grow_begin+0x91/0x8c0 [ 292.421437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.425841] fallback_alloc+0x203/0x2e0 [ 292.429808] ____cache_alloc_node+0x1c7/0x1e0 [ 292.434810] kmem_cache_alloc_node+0xe3/0x730 [ 292.439301] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.443545] __alloc_skb+0x119/0x770 [ 292.447251] ? skb_scrub_packet+0x490/0x490 [ 292.454042] ? lock_downgrade+0x900/0x900 [ 292.458186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.463714] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.470877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.476323] ? addrconf_rs_timer+0x690/0x690 [ 292.481199] ndisc_alloc_skb+0x144/0x340 [ 292.486088] ndisc_send_rs+0x331/0x6e0 [ 292.489970] addrconf_rs_timer+0x314/0x690 [ 292.494193] ? lock_release+0x970/0x970 [ 292.498170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.502400] call_timer_fn+0x272/0x920 [ 292.506299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.510966] ? process_timeout+0x40/0x40 [ 292.515022] ? kasan_check_read+0x11/0x20 [ 292.519418] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.523818] ? trace_hardirqs_on+0x310/0x310 [ 292.528221] ? __run_timers+0x7da/0xc70 [ 292.532183] ? lock_downgrade+0x900/0x900 [ 292.536319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.541409] ? trace_hardirqs_on+0xbd/0x310 [ 292.545719] ? kasan_check_read+0x11/0x20 [ 292.549943] ? __run_timers+0x7da/0xc70 [ 292.553909] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.559350] ? kasan_check_write+0x14/0x20 [ 292.563574] ? do_raw_spin_lock+0xc1/0x200 [ 292.567804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.572031] __run_timers+0x7e5/0xc70 [ 292.575831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.581182] ? compat_start_thread+0x80/0x80 [ 292.585578] ? dequeue_entity+0x1770/0x1770 [ 292.589892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.595417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.600944] ? kasan_check_write+0x14/0x20 [ 292.605169] ? finish_task_switch+0x2f5/0x900 [ 292.609654] ? __switch_to_asm+0x40/0x70 [ 292.613708] ? preempt_notifier_register+0x200/0x200 [ 292.618803] ? __switch_to_asm+0x34/0x70 [ 292.622855] ? __switch_to_asm+0x40/0x70 [ 292.626901] ? __switch_to_asm+0x34/0x70 [ 292.630951] ? __switch_to_asm+0x40/0x70 [ 292.635006] ? __switch_to_asm+0x34/0x70 [ 292.639059] ? __switch_to_asm+0x40/0x70 [ 292.643129] ? pvclock_read_flags+0x160/0x160 [ 292.647618] ? __schedule+0x874/0x1ed0 [ 292.651493] ? run_rebalance_domains+0x38d/0x500 [ 292.656248] ? trace_hardirqs_on+0xbd/0x310 [ 292.660558] ? kvm_sched_clock_read+0x9/0x20 [ 292.664959] ? run_ksoftirqd+0x94/0x100 [ 292.668930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.677682] ? check_preemption_disabled+0x48/0x200 [ 292.682689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.688219] run_timer_softirq+0x52/0xb0 [ 292.692270] ? __this_cpu_preempt_check+0x1c/0x1f [ 292.697102] __do_softirq+0x30b/0xad8 [ 292.700897] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.705994] ? trace_hardirqs_off+0xb8/0x310 [ 292.710402] ? schedule+0x108/0x460 [ 292.714024] ? __schedule+0x1ed0/0x1ed0 [ 292.718003] ? run_ksoftirqd+0x99/0x100 [ 292.721971] ? trace_hardirqs_off+0xb8/0x310 [ 292.726377] ? ___might_sleep+0x1ed/0x300 [ 292.730518] ? smpboot_thread_fn+0x68b/0xa00 [ 292.734914] ? trace_hardirqs_on+0x310/0x310 [ 292.739311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.744862] ? check_preemption_disabled+0x48/0x200 [ 292.749882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.755417] ? takeover_tasklets+0xa90/0xa90 [ 292.759825] run_ksoftirqd+0x94/0x100 [ 292.763620] smpboot_thread_fn+0x68b/0xa00 [ 292.767848] ? sort_range+0x30/0x30 [ 292.771473] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.776566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.782097] ? __kthread_parkme+0xfb/0x1a0 [ 292.786326] kthread+0x35a/0x420 [ 292.789680] ? sort_range+0x30/0x30 [ 292.793296] ? kthread_bind+0x40/0x40 [ 292.797587] ret_from_fork+0x3a/0x50 [ 292.801306] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 292.801352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.808574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.815118] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.824509] Call Trace: [ 292.836069] ksoftirqd/1 cpuset= [ 292.838631] [ 292.838638] / [ 292.841902] dump_stack+0x1c4/0x2b4 [ 292.844021] mems_allowed=0 [ 292.845719] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.857402] warn_alloc.cold.119+0xb7/0x1bd [ 292.861717] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.866553] ? lock_downgrade+0x900/0x900 [ 292.870696] ? trace_hardirqs_off+0xb8/0x310 [ 292.875099] ? trace_hardirqs_off+0xb8/0x310 [ 292.879500] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.884349] ? warn_alloc+0x120/0x120 [ 292.888144] ? warn_alloc+0x120/0x120 [ 292.891936] ? warn_alloc+0x120/0x120 [ 292.895723] ? lock_release+0x970/0x970 [ 292.899689] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.904868] ? trace_hardirqs_on+0x310/0x310 [ 292.909271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.914797] ? should_fail+0x22d/0xd01 [ 292.918678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.923772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.929300] ? should_fail+0x22d/0xd01 [ 292.933183] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.938276] ? should_fail+0x22d/0xd01 [ 292.942156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.947252] ? mark_held_locks+0x130/0x130 [ 292.951477] ? mark_held_locks+0x130/0x130 [ 292.955702] ? kvm_clock_read+0x18/0x30 [ 292.959665] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 292.964668] ? ktime_get+0x2e1/0x440 [ 292.968373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.973900] ? check_preemption_disabled+0x48/0x200 [ 292.978906] ? kasan_check_read+0x11/0x20 [ 292.983047] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.988315] ? rcu_bh_qs+0xc0/0xc0 [ 292.991846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.997374] ? check_preemption_disabled+0x48/0x200 [ 293.002382] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 293.007385] ? widen_string+0xe0/0x2e0 [ 293.011271] __alloc_pages_nodemask+0xa80/0xde0 [ 293.015928] ? should_fail+0x22d/0xd01 [ 293.019813] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.024834] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.029496] ? lock_downgrade+0x900/0x900 [ 293.033636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.039170] cache_grow_begin+0x91/0x8c0 [ 293.043225] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.047625] fallback_alloc+0x203/0x2e0 [ 293.051591] ____cache_alloc_node+0x1c7/0x1e0 [ 293.056077] kmem_cache_alloc_node+0xe3/0x730 [ 293.060563] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.064792] __alloc_skb+0x119/0x770 [ 293.068499] ? skb_scrub_packet+0x490/0x490 [ 293.072810] ? lock_downgrade+0x900/0x900 [ 293.076958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.082493] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.087936] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.093526] ? addrconf_rs_timer+0x690/0x690 [ 293.097942] ndisc_alloc_skb+0x144/0x340 [ 293.102007] ndisc_send_rs+0x331/0x6e0 [ 293.105887] addrconf_rs_timer+0x314/0x690 [ 293.110560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.114792] call_timer_fn+0x272/0x920 [ 293.118668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.122894] ? process_timeout+0x40/0x40 [ 293.127050] ? trace_hardirqs_off+0xb8/0x310 [ 293.131463] ? kasan_check_read+0x11/0x20 [ 293.135612] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.140012] ? trace_hardirqs_on+0x310/0x310 [ 293.144411] ? __run_timers+0x7da/0xc70 [ 293.148373] ? lock_downgrade+0x900/0x900 [ 293.152514] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.157604] ? trace_hardirqs_on+0xbd/0x310 [ 293.161911] ? kasan_check_read+0x11/0x20 [ 293.166052] ? __run_timers+0x7da/0xc70 [ 293.170016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.175462] ? kasan_check_write+0x14/0x20 [ 293.179690] ? do_raw_spin_lock+0xc1/0x200 [ 293.183918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.188155] __run_timers+0x7e5/0xc70 [ 293.191957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.197316] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.202322] ? timerqueue_add+0x207/0x2b0 [ 293.206460] ? enqueue_hrtimer+0x1a5/0x560 [ 293.210686] ? lock_release+0x970/0x970 [ 293.214663] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.219844] ? kasan_check_write+0x14/0x20 [ 293.224073] ? pvclock_read_flags+0x160/0x160 [ 293.228561] ? lock_downgrade+0x900/0x900 [ 293.232703] ? trace_hardirqs_on+0xbd/0x310 [ 293.237015] ? kvm_sched_clock_read+0x9/0x20 [ 293.241415] ? irq_exit+0x17f/0x1c0 [ 293.245031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.250562] ? check_preemption_disabled+0x48/0x200 [ 293.255568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.261100] run_timer_softirq+0x52/0xb0 [ 293.265152] ? __this_cpu_preempt_check+0x1c/0x1f [ 293.269991] __do_softirq+0x30b/0xad8 [ 293.273784] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.278881] ? pvclock_read_flags+0x160/0x160 [ 293.283367] ? lapic_next_event+0x5a/0x90 [ 293.287503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.293033] ? clockevents_program_event+0x140/0x370 [ 293.298123] ? kvm_clock_read+0x18/0x30 [ 293.302087] ? kvm_sched_clock_read+0x9/0x20 [ 293.306490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.312020] ? check_preemption_disabled+0x48/0x200 [ 293.317032] irq_exit+0x17f/0x1c0 [ 293.320475] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.325311] ? smp_reschedule_interrupt+0x109/0x650 [ 293.330320] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.336192] ? interrupt_entry+0xb5/0xf0 [ 293.340254] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.345258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.350264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.355100] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.360107] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.365116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.370648] ? check_preemption_disabled+0x48/0x200 [ 293.375656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.380492] apic_timer_interrupt+0xf/0x20 [ 293.384709] [ 293.386944] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 293.391868] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 293.410843] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.418540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 293.425808] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 293.433072] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 293.440334] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 293.447592] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 293.458290] ? trace_hardirqs_on+0xb4/0x310 [ 293.462613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.468300] skb_clone+0x1bb/0x500 [ 293.471826] ? finish_task_switch+0x2f5/0x900 [ 293.476317] ? skb_split+0x11e0/0x11e0 [ 293.480199] ? preempt_notifier_register+0x200/0x200 [ 293.485307] ? __switch_to_asm+0x34/0x70 [ 293.489481] ? __switch_to_asm+0x34/0x70 [ 293.493634] ? __switch_to_asm+0x40/0x70 [ 293.497682] ? __switch_to_asm+0x34/0x70 [ 293.501730] ? __switch_to_asm+0x40/0x70 [ 293.505778] ? __switch_to_asm+0x34/0x70 [ 293.509826] ? __switch_to_asm+0x40/0x70 [ 293.513874] ? __switch_to_asm+0x34/0x70 [ 293.517929] ? __switch_to_asm+0x34/0x70 [ 293.521983] ? __switch_to_asm+0x40/0x70 [ 293.526044] ? __switch_to_asm+0x34/0x70 [ 293.530115] bpf_clone_redirect+0xb9/0x490 [ 293.534366] ? __schedule+0x874/0x1ed0 [ 293.538333] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 293.543257] ? __sched_text_start+0x8/0x8 [ 293.547398] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.552146] ? retint_kernel+0x2d/0x2d [ 293.556026] ? lock_acquire+0x1ed/0x520 [ 293.559990] ? bpf_test_run+0x32e/0x5a0 [ 293.563961] ? lock_release+0x970/0x970 [ 293.567931] ? preempt_schedule+0x4d/0x60 [ 293.572075] ? preempt_schedule_common+0x1f/0xd0 [ 293.576829] ? preempt_schedule+0x4d/0x60 [ 293.580970] ? ___preempt_schedule+0x16/0x18 [ 293.585368] ? bpf_test_run+0x1c0/0x5a0 [ 293.589339] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.593741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.599276] ? bpf_test_init.isra.9+0x70/0x100 [ 293.603847] ? bpf_prog_test_run_skb+0x634/0xb40 [ 293.608594] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.613428] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.618954] ? fput+0x130/0x1a0 [ 293.622235] ? __bpf_prog_get+0x9b/0x290 [ 293.626285] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.631115] ? bpf_prog_test_run+0x130/0x1a0 [ 293.635511] ? __x64_sys_bpf+0x3d8/0x510 [ 293.639560] ? bpf_prog_get+0x20/0x20 [ 293.643363] ? do_syscall_64+0x1b9/0x820 [ 293.647412] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.652766] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.657689] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.662700] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.667708] ? recalc_sigpending_tsk+0x180/0x180 [ 293.672453] ? kasan_check_write+0x14/0x20 [ 293.676946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.681788] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.687165] warn_alloc_show_mem: 1 callbacks suppressed [ 293.687174] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 293.687176] Mem-Info: [ 293.687204] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 293.687204] active_file:16 inactive_file:17 isolated_file:0 [ 293.687204] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.687204] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 293.687204] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 293.687204] free:13792 free_pcp:309 free_cma:0 [ 293.692539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.699373] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.701759] Call Trace: [ 293.734786] Node 0 [ 293.744132] dump_stack+0x1c4/0x2b4 [ 293.771966] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.774525] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.776728] lowmem_reserve[]: [ 293.780342] ? isolate_lru_page+0x22e0/0x22e0 [ 293.805948] 0 2819 [ 293.811633] warn_alloc.cold.119+0xb7/0x1bd [ 293.814702] 6323 [ 293.819638] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.821927] 6323 [ 293.826251] ? lock_downgrade+0x900/0x900 [ 293.828282] Node 0 [ 293.833111] ? trace_hardirqs_off+0xb8/0x310 [ 293.835165] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 293.839275] ? trace_hardirqs_off+0xb8/0x310 [ 293.841486] lowmem_reserve[]: 0 [ 293.845897] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.872837] 0 3503 [ 293.877250] ? mark_held_locks+0x130/0x130 [ 293.880489] 3503 [ 293.885316] ? warn_alloc+0x120/0x120 [ 293.891743] ? warn_alloc+0x120/0x120 [ 293.893777] Node 0 [ 293.897560] ? warn_alloc+0x120/0x120 [ 293.901520] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 293.904168] ? mark_held_locks+0x130/0x130 [ 293.908109] lowmem_reserve[]: [ 293.936551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.940748] 0 [ 293.943837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.949336] 0 0 [ 293.951132] ? should_fail+0x22d/0xd01 [ 293.956632] 0 [ 293.958598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.964269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.969342] Node 0 [ 293.974863] ? should_fail+0x22d/0xd01 [ 293.974866] DMA: 1*4kB [ 293.977101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.980959] (U) [ 293.983530] ? should_fail+0x22d/0xd01 [ 293.988689] 0*8kB [ 293.990654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.995174] 0*16kB [ 293.997308] ? mark_held_locks+0x130/0x130 [ 294.002377] 1*32kB [ 294.004599] ? mark_held_locks+0x130/0x130 [ 294.008802] (U) [ 294.011023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.015218] 2*64kB (U) [ 294.017185] ? trace_hardirqs_off+0xb8/0x310 [ 294.022692] 1*128kB [ 294.025257] ? kasan_check_read+0x11/0x20 [ 294.029646] (U) [ 294.031958] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.036073] 1*256kB [ 294.038058] ? trace_hardirqs_on+0x310/0x310 [ 294.042447] (U) [ 294.044758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.049131] 0*512kB 1*1024kB [ 294.051107] ? wq_watchdog_touch+0x9c/0xfe [ 294.056613] (U) [ 294.059705] ? io_serial_in+0x11/0x90 [ 294.064003] 1*2048kB [ 294.065964] ? retint_kernel+0x2d/0x2d [ 294.069729] (M) [ 294.072361] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.076225] 3*4096kB [ 294.078189] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.085858] (M) = 15908kB [ 294.088270] ? trace_hardirqs_off+0x310/0x310 [ 294.092997] Node 0 [ 294.095741] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.100209] DMA32: [ 294.102448] __alloc_pages_nodemask+0xa80/0xde0 [ 294.107975] 6*4kB [ 294.110210] ? should_fail+0x22d/0xd01 [ 294.114838] (UME) [ 294.116988] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.120835] 2*8kB [ 294.123109] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.128081] (UE) [ 294.130220] ? lock_downgrade+0x900/0x900 [ 294.134852] 4*16kB (UME) [ 294.136918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.141032] 4*32kB [ 294.143772] cache_grow_begin+0x91/0x8c0 [ 294.149286] (UME) [ 294.152222] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.156252] 5*64kB (ME) [ 294.158404] fallback_alloc+0x203/0x2e0 [ 294.162787] 5*128kB [ 294.165445] ____cache_alloc_node+0x1c7/0x1e0 [ 294.169389] (UME) [ 294.171699] kmem_cache_alloc_node+0xe3/0x730 [ 294.176175] 4*256kB [ 294.178310] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.182779] (ME) [ 294.185092] __alloc_skb+0x119/0x770 [ 294.189296] 5*512kB [ 294.191342] ? skb_scrub_packet+0x490/0x490 [ 294.195022] (UME) [ 294.197343] ? lock_downgrade+0x900/0x900 [ 294.201631] 4*1024kB [ 294.203769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.207886] (UME) [ 294.210283] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.215787] 2*2048kB [ 294.217924] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.223339] (ME) [ 294.225735] ? addrconf_rs_timer+0x690/0x690 [ 294.231150] 3*4096kB (M) [ 294.233208] ndisc_alloc_skb+0x144/0x340 [ 294.237582] = 25256kB [ 294.240327] ndisc_send_rs+0x331/0x6e0 [ 294.244369] Node 0 [ 294.246769] addrconf_rs_timer+0x314/0x690 [ 294.250626] Normal: [ 294.252848] ? lock_release+0x970/0x970 [ 294.257057] 1063*4kB [ 294.259365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.263308] (UMEH) [ 294.265719] call_timer_fn+0x272/0x920 [ 294.269917] 420*8kB [ 294.272139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.276438] (UME) [ 294.278755] ? process_timeout+0x40/0x40 [ 294.282951] 170*16kB [ 294.285085] ? kasan_check_read+0x11/0x20 [ 294.289109] (UMEH) 65*32kB [ 294.291512] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.295622] (UME) [ 294.298538] ? trace_hardirqs_on+0x310/0x310 [ 294.302908] 9*64kB (UM) [ 294.305053] ? __run_timers+0x7da/0xc70 [ 294.309543] 0*128kB 0*256kB [ 294.312598] ? lock_downgrade+0x900/0x900 [ 294.316547] 0*512kB [ 294.319557] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.323675] 1*1024kB [ 294.325987] ? trace_hardirqs_on+0xbd/0x310 [ 294.331058] (H) [ 294.333455] ? kasan_check_read+0x11/0x20 [ 294.337747] 0*2048kB [ 294.339718] ? __run_timers+0x7da/0xc70 [ 294.343827] 0*4096kB = 14012kB [ 294.346234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.350183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.353738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.359165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.368495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.374002] 4986 total pagecache pages [ 294.382565] __run_timers+0x7e5/0xc70 [ 294.386769] 0 pages in swap cache [ 294.390733] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.394504] Swap cache stats: add 0, delete 0, find 0/0 [ 294.397937] ? compat_start_thread+0x80/0x80 [ 294.403271] Free swap = 0kB [ 294.408616] ? dequeue_entity+0x1770/0x1770 [ 294.412994] Total swap = 0kB [ 294.415999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.416014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.420303] 1965979 pages RAM [ 294.423306] ? kasan_check_write+0x14/0x20 [ 294.428918] 0 pages HighMem/MovableOnly [ 294.428926] 342307 pages reserved [ 294.434447] ? finish_task_switch+0x2f5/0x900 [ 294.437523] 0 pages cma reserved [ 294.441741] ? __switch_to_asm+0x40/0x70 [ 294.445731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.451424] ? preempt_notifier_register+0x200/0x200 [ 294.451436] ? __switch_to_asm+0x34/0x70 [ 294.451445] ? __switch_to_asm+0x40/0x70 [ 294.451458] ? __switch_to_asm+0x34/0x70 [ 294.456059] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.459370] ? __switch_to_asm+0x40/0x70 [ 294.463411] syz-executor4 cpuset= [ 294.469883] ? __switch_to_asm+0x34/0x70 [ 294.475961] syz4 [ 294.481375] ? __switch_to_asm+0x40/0x70 [ 294.485401] mems_allowed=0 [ 294.489680] ? pvclock_read_flags+0x160/0x160 [ 294.525486] ? __schedule+0x874/0x1ed0 [ 294.529370] ? run_rebalance_domains+0x38d/0x500 [ 294.534122] ? trace_hardirqs_on+0xbd/0x310 [ 294.538432] ? kvm_sched_clock_read+0x9/0x20 [ 294.542837] ? run_ksoftirqd+0x94/0x100 [ 294.546805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.552345] ? check_preemption_disabled+0x48/0x200 [ 294.557843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.563379] run_timer_softirq+0x52/0xb0 [ 294.567432] ? __this_cpu_preempt_check+0x1c/0x1f [ 294.572269] __do_softirq+0x30b/0xad8 [ 294.576079] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.581174] ? trace_hardirqs_off+0xb8/0x310 [ 294.586115] ? schedule+0x108/0x460 [ 294.589750] ? __schedule+0x1ed0/0x1ed0 [ 294.593720] ? run_ksoftirqd+0x99/0x100 [ 294.597688] ? trace_hardirqs_off+0xb8/0x310 [ 294.602089] ? ___might_sleep+0x1ed/0x300 [ 294.606228] ? smpboot_thread_fn+0x68b/0xa00 [ 294.610627] ? trace_hardirqs_on+0x310/0x310 [ 294.615030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.620560] ? check_preemption_disabled+0x48/0x200 [ 294.625567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.631098] ? takeover_tasklets+0xa90/0xa90 [ 294.635499] run_ksoftirqd+0x94/0x100 [ 294.639290] smpboot_thread_fn+0x68b/0xa00 [ 294.643517] ? sort_range+0x30/0x30 [ 294.647134] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.652243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.657769] ? __kthread_parkme+0xfb/0x1a0 [ 294.661996] kthread+0x35a/0x420 [ 294.665355] ? sort_range+0x30/0x30 [ 294.668971] ? kthread_bind+0x40/0x40 [ 294.672762] ret_from_fork+0x3a/0x50 [ 294.676478] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 294.676527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.683756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.683766] Call Trace: [ 294.683772] [ 294.683795] dump_stack+0x1c4/0x2b4 [ 294.690311] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.699600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.702149] ksoftirqd/1 cpuset= [ 294.704302] warn_alloc.cold.119+0xb7/0x1bd [ 294.707892] / [ 294.718188] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.723350] mems_allowed=0 [ 294.726629] ? lock_downgrade+0x900/0x900 [ 294.745921] ? trace_hardirqs_off+0xb8/0x310 [ 294.750325] ? trace_hardirqs_off+0xb8/0x310 [ 294.754729] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.759679] ? warn_alloc+0x120/0x120 [ 294.763474] ? warn_alloc+0x120/0x120 [ 294.767266] ? warn_alloc+0x120/0x120 [ 294.771060] ? mark_held_locks+0x130/0x130 [ 294.775290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.780824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.786358] ? should_fail+0x22d/0xd01 [ 294.790250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.795342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.800989] ? should_fail+0x22d/0xd01 [ 294.804872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.809981] ? should_fail+0x22d/0xd01 [ 294.813883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.818998] ? mark_held_locks+0x130/0x130 [ 294.823233] ? mark_held_locks+0x130/0x130 [ 294.827468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.833004] ? trace_hardirqs_off+0xb8/0x310 [ 294.837402] ? kasan_check_read+0x11/0x20 [ 294.841541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.845938] ? trace_hardirqs_on+0x310/0x310 [ 294.850339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.855870] ? wq_watchdog_touch+0x9c/0xfe [ 294.860101] ? io_serial_in+0x11/0x90 [ 294.863892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.869424] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.874523] __alloc_pages_nodemask+0xa80/0xde0 [ 294.879183] ? should_fail+0x22d/0xd01 [ 294.883065] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.888086] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.892760] ? lock_downgrade+0x900/0x900 [ 294.896901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.902432] cache_grow_begin+0x91/0x8c0 [ 294.906484] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.910888] fallback_alloc+0x203/0x2e0 [ 294.914856] ____cache_alloc_node+0x1c7/0x1e0 [ 294.919345] kmem_cache_alloc_node+0xe3/0x730 [ 294.923838] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.928070] __alloc_skb+0x119/0x770 [ 294.931779] ? skb_scrub_packet+0x490/0x490 [ 294.936099] ? lock_downgrade+0x900/0x900 [ 294.940243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.945768] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.951218] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.957617] ? addrconf_rs_timer+0x690/0x690 [ 294.962024] ndisc_alloc_skb+0x144/0x340 [ 294.966076] ndisc_send_rs+0x331/0x6e0 [ 294.969957] addrconf_rs_timer+0x314/0x690 [ 294.974184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.978417] call_timer_fn+0x272/0x920 [ 294.982295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.986532] ? process_timeout+0x40/0x40 [ 294.990584] ? trace_hardirqs_off+0xb8/0x310 [ 294.994983] ? kasan_check_read+0x11/0x20 [ 294.999125] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.003522] ? trace_hardirqs_on+0x310/0x310 [ 295.007925] ? __run_timers+0x7da/0xc70 [ 295.011893] ? lock_downgrade+0x900/0x900 [ 295.016033] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.021126] ? trace_hardirqs_on+0xbd/0x310 [ 295.025436] ? kasan_check_read+0x11/0x20 [ 295.029580] ? __run_timers+0x7da/0xc70 [ 295.033545] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.038990] ? kasan_check_write+0x14/0x20 [ 295.043223] ? do_raw_spin_lock+0xc1/0x200 [ 295.047458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.051699] __run_timers+0x7e5/0xc70 [ 295.055502] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.060857] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.065865] ? timerqueue_add+0x207/0x2b0 [ 295.070007] ? enqueue_hrtimer+0x1a5/0x560 [ 295.074231] ? lock_release+0x970/0x970 [ 295.078198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.083383] ? kasan_check_write+0x14/0x20 [ 295.087614] ? pvclock_read_flags+0x160/0x160 [ 295.092104] ? lock_downgrade+0x900/0x900 [ 295.096246] ? trace_hardirqs_on+0xbd/0x310 [ 295.100555] ? kvm_sched_clock_read+0x9/0x20 [ 295.105216] ? irq_exit+0x17f/0x1c0 [ 295.109271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.114814] ? check_preemption_disabled+0x48/0x200 [ 295.119822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.125352] run_timer_softirq+0x52/0xb0 [ 295.129404] ? __this_cpu_preempt_check+0x1c/0x1f [ 295.134237] __do_softirq+0x30b/0xad8 [ 295.138032] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.143127] ? pvclock_read_flags+0x160/0x160 [ 295.147741] ? lapic_next_event+0x5a/0x90 [ 295.151885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.157407] ? clockevents_program_event+0x140/0x370 [ 295.162504] ? kvm_clock_read+0x18/0x30 [ 295.166471] ? kvm_sched_clock_read+0x9/0x20 [ 295.170873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.176401] ? check_preemption_disabled+0x48/0x200 [ 295.181414] irq_exit+0x17f/0x1c0 [ 295.184858] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.189692] ? smp_reschedule_interrupt+0x109/0x650 [ 295.194701] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.200577] ? interrupt_entry+0xb5/0xf0 [ 295.204656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.209658] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.214672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.219507] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.224516] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.229644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.235192] ? check_preemption_disabled+0x48/0x200 [ 295.240227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.245065] apic_timer_interrupt+0xf/0x20 [ 295.249298] [ 295.251551] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 295.256484] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 295.275401] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.283116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 295.290376] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 295.297637] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 295.304899] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 295.312166] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 295.319441] ? trace_hardirqs_on+0xb4/0x310 [ 295.323772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.329307] skb_clone+0x1bb/0x500 [ 295.332840] ? finish_task_switch+0x2f5/0x900 [ 295.337328] ? skb_split+0x11e0/0x11e0 [ 295.341205] ? preempt_notifier_register+0x200/0x200 [ 295.346299] ? __switch_to_asm+0x34/0x70 [ 295.350348] ? __switch_to_asm+0x34/0x70 [ 295.354397] ? __switch_to_asm+0x40/0x70 [ 295.358459] ? __switch_to_asm+0x34/0x70 [ 295.362508] ? __switch_to_asm+0x40/0x70 [ 295.366560] ? __switch_to_asm+0x34/0x70 [ 295.370611] ? __switch_to_asm+0x40/0x70 [ 295.374659] ? __switch_to_asm+0x34/0x70 [ 295.378708] ? __switch_to_asm+0x34/0x70 [ 295.382767] ? __switch_to_asm+0x40/0x70 [ 295.386826] ? __switch_to_asm+0x34/0x70 [ 295.390882] bpf_clone_redirect+0xb9/0x490 [ 295.395113] ? __schedule+0x874/0x1ed0 [ 295.399003] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 295.403925] ? __sched_text_start+0x8/0x8 [ 295.408066] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.412814] ? retint_kernel+0x2d/0x2d [ 295.416698] ? lock_acquire+0x1ed/0x520 [ 295.420659] ? bpf_test_run+0x32e/0x5a0 [ 295.424627] ? lock_release+0x970/0x970 [ 295.428589] ? preempt_schedule+0x4d/0x60 [ 295.432726] ? preempt_schedule_common+0x1f/0xd0 [ 295.437479] ? preempt_schedule+0x4d/0x60 [ 295.441615] ? ___preempt_schedule+0x16/0x18 [ 295.446018] ? bpf_test_run+0x1c0/0x5a0 [ 295.451788] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.456188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.461713] ? bpf_test_init.isra.9+0x70/0x100 [ 295.466653] ? bpf_prog_test_run_skb+0x634/0xb40 [ 295.471401] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.476233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.481763] ? fput+0x130/0x1a0 [ 295.485714] ? __bpf_prog_get+0x9b/0x290 [ 295.489776] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.494612] ? bpf_prog_test_run+0x130/0x1a0 [ 295.499045] ? __x64_sys_bpf+0x3d8/0x510 [ 295.503097] ? bpf_prog_get+0x20/0x20 [ 295.506905] ? do_syscall_64+0x1b9/0x820 [ 295.510958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.516312] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.521237] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.526246] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.531255] ? recalc_sigpending_tsk+0x180/0x180 [ 295.536109] ? kasan_check_write+0x14/0x20 [ 295.540425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.545261] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.550621] warn_alloc_show_mem: 1 callbacks suppressed [ 295.550631] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 295.550633] Mem-Info: [ 295.550661] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 295.550661] active_file:16 inactive_file:17 isolated_file:0 [ 295.550661] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.550661] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 295.550661] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 295.550661] free:13792 free_pcp:309 free_cma:0 [ 295.555993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.562826] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.565210] Call Trace: [ 295.598240] Node 0 [ 295.608798] dump_stack+0x1c4/0x2b4 [ 295.636643] 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 [ 295.639197] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.641400] lowmem_reserve[]: [ 295.645017] ? isolate_lru_page+0x22e0/0x22e0 [ 295.670483] 0 [ 295.675673] warn_alloc.cold.119+0xb7/0x1bd [ 295.678761] 2819 [ 295.683263] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.685031] 6323 [ 295.689338] ? lock_downgrade+0x900/0x900 [ 295.691380] 6323 [ 295.696209] ? trace_hardirqs_off+0xb8/0x310 [ 295.702370] ? trace_hardirqs_off+0xb8/0x310 [ 295.704402] Node 0 [ 295.708795] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.713194] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 295.715406] ? mark_held_locks+0x130/0x130 [ 295.720209] lowmem_reserve[]: [ 295.747191] ? warn_alloc+0x120/0x120 [ 295.751391] 0 [ 295.754478] ? warn_alloc+0x120/0x120 [ 295.758248] 0 [ 295.760041] ? warn_alloc+0x120/0x120 [ 295.763803] 3503 3503 [ 295.765597] ? mark_held_locks+0x130/0x130 [ 295.771847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.776049] Node 0 [ 295.782029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.782061] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 295.784275] ? should_fail+0x22d/0xd01 [ 295.789779] lowmem_reserve[]: [ 295.820455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.824313] 0 [ 295.827403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.832470] 0 0 [ 295.834269] ? should_fail+0x22d/0xd01 [ 295.839774] 0 [ 295.841740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.845596] Node 0 [ 295.847386] ? should_fail+0x22d/0xd01 [ 295.852457] DMA: [ 295.854677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.858533] 1*4kB [ 295.860578] ? mark_held_locks+0x130/0x130 [ 295.865649] (U) [ 295.867787] ? mark_held_locks+0x130/0x130 [ 295.872004] 0*8kB [ 295.873963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.878162] 0*16kB [ 295.880299] ? trace_hardirqs_off+0xb8/0x310 [ 295.885804] 1*32kB [ 295.888022] ? kasan_check_read+0x11/0x20 [ 295.892422] (U) [ 295.894643] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.898758] 2*64kB (U) [ 295.900732] ? trace_hardirqs_on+0x310/0x310 [ 295.905110] 1*128kB [ 295.907679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.912051] (U) [ 295.914358] ? wq_watchdog_touch+0x9c/0xfe [ 295.919864] 1*256kB [ 295.921825] ? io_serial_in+0x11/0x90 [ 295.926022] (U) 0*512kB [ 295.928335] ? retint_kernel+0x2d/0x2d [ 295.932106] 1*1024kB [ 295.934760] ? trace_hardirqs_on_caller+0xc0/0x310 [ 295.938614] (U) [ 295.941013] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.945908] 1*2048kB [ 295.947876] ? trace_hardirqs_off+0x310/0x310 [ 295.952607] (M) [ 295.955002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.959468] 3*4096kB [ 295.961433] __alloc_pages_nodemask+0xa80/0xde0 [ 295.966498] (M) [ 295.968892] ? should_fail+0x22d/0xd01 [ 295.973528] = 15908kB [ 295.973535] Node 0 [ 295.975496] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.979347] DMA32: 6*4kB [ 295.981758] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.983958] (UME) [ 295.988959] ? lock_downgrade+0x900/0x900 [ 295.991685] 2*8kB [ 295.996802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.998919] (UE) [ 296.003052] cache_grow_begin+0x91/0x8c0 [ 296.005169] 4*16kB [ 296.010716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.012751] (UME) [ 296.017321] fallback_alloc+0x203/0x2e0 [ 296.019539] 4*32kB [ 296.023931] ____cache_alloc_node+0x1c7/0x1e0 [ 296.026048] (UME) [ 296.030008] kmem_cache_alloc_node+0xe3/0x730 [ 296.032212] 5*64kB [ 296.036693] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.038814] (ME) [ 296.043297] __alloc_skb+0x119/0x770 [ 296.045502] 5*128kB [ 296.049725] ? skb_scrub_packet+0x490/0x490 [ 296.051761] (UME) [ 296.055455] ? lock_downgrade+0x900/0x900 [ 296.057751] 4*256kB [ 296.062056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.064171] (ME) [ 296.068304] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.070593] 5*512kB [ 296.076115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.078145] (UME) [ 296.083581] ? addrconf_rs_timer+0x690/0x690 [ 296.085876] 4*1024kB [ 296.091313] ndisc_alloc_skb+0x144/0x340 [ 296.093427] (UME) 2*2048kB [ 296.097827] ndisc_send_rs+0x331/0x6e0 [ 296.100203] (ME) [ 296.104252] addrconf_rs_timer+0x314/0x690 [ 296.107155] 3*4096kB [ 296.111024] ? lock_release+0x970/0x970 [ 296.113056] (M) [ 296.117276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.119653] = 25256kB [ 296.123985] call_timer_fn+0x272/0x920 [ 296.125928] Node 0 [ 296.130151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.132525] Normal: [ 296.137343] ? process_timeout+0x40/0x40 [ 296.139554] 1063*4kB [ 296.143770] ? kasan_check_read+0x11/0x20 [ 296.146061] (UMEH) [ 296.150106] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.152484] 420*8kB [ 296.156612] ? trace_hardirqs_on+0x310/0x310 [ 296.158811] (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 296.158852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.158858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.158861] 4986 total pagecache pages [ 296.158865] 0 pages in swap cache [ 296.158881] Swap cache stats: add 0, delete 0, find 0/0 [ 296.158884] Free swap = 0kB [ 296.158886] Total swap = 0kB [ 296.158890] 1965979 pages RAM [ 296.158892] 0 pages HighMem/MovableOnly [ 296.158895] 342307 pages reserved [ 296.158897] 0 pages cma reserved [ 296.158943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.158995] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.158998] syz-executor4 cpuset=syz4 mems_allowed=0 [ 296.254543] ? __run_timers+0x7da/0xc70 [ 296.258507] ? lock_downgrade+0x900/0x900 [ 296.262645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.267738] ? trace_hardirqs_on+0xbd/0x310 [ 296.272047] ? kasan_check_read+0x11/0x20 [ 296.277194] ? __run_timers+0x7da/0xc70 [ 296.281164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.286604] ? kasan_check_write+0x14/0x20 [ 296.290831] ? do_raw_spin_lock+0xc1/0x200 [ 296.295059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.299285] __run_timers+0x7e5/0xc70 [ 296.303085] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.308436] ? compat_start_thread+0x80/0x80 [ 296.312832] ? dequeue_entity+0x1770/0x1770 [ 296.317145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.322673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.328217] ? kasan_check_write+0x14/0x20 [ 296.332444] ? finish_task_switch+0x2f5/0x900 [ 296.336932] ? __switch_to_asm+0x40/0x70 [ 296.340985] ? preempt_notifier_register+0x200/0x200 [ 296.346077] ? __switch_to_asm+0x34/0x70 [ 296.350127] ? __switch_to_asm+0x40/0x70 [ 296.354177] ? __switch_to_asm+0x34/0x70 [ 296.358227] ? __switch_to_asm+0x40/0x70 [ 296.362763] ? __switch_to_asm+0x34/0x70 [ 296.366815] ? __switch_to_asm+0x40/0x70 [ 296.370873] ? pvclock_read_flags+0x160/0x160 [ 296.375360] ? __schedule+0x874/0x1ed0 [ 296.379243] ? run_rebalance_domains+0x38d/0x500 [ 296.383994] ? trace_hardirqs_on+0xbd/0x310 [ 296.388304] ? kvm_sched_clock_read+0x9/0x20 [ 296.393701] ? run_ksoftirqd+0x94/0x100 [ 296.398377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.403904] ? check_preemption_disabled+0x48/0x200 [ 296.408907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.414440] run_timer_softirq+0x52/0xb0 [ 296.418504] ? __this_cpu_preempt_check+0x1c/0x1f [ 296.423341] __do_softirq+0x30b/0xad8 [ 296.427591] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.432695] ? trace_hardirqs_off+0xb8/0x310 [ 296.437097] ? schedule+0x108/0x460 [ 296.440717] ? __schedule+0x1ed0/0x1ed0 [ 296.444688] ? run_ksoftirqd+0x99/0x100 [ 296.448672] ? trace_hardirqs_off+0xb8/0x310 [ 296.455588] ? ___might_sleep+0x1ed/0x300 [ 296.459724] ? smpboot_thread_fn+0x68b/0xa00 [ 296.464124] ? trace_hardirqs_on+0x310/0x310 [ 296.470850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.478275] ? check_preemption_disabled+0x48/0x200 [ 296.483878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.489407] ? takeover_tasklets+0xa90/0xa90 [ 296.493806] run_ksoftirqd+0x94/0x100 [ 296.498102] smpboot_thread_fn+0x68b/0xa00 [ 296.502328] ? sort_range+0x30/0x30 [ 296.505961] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.511056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.516580] ? __kthread_parkme+0xfb/0x1a0 [ 296.520808] kthread+0x35a/0x420 [ 296.524163] ? sort_range+0x30/0x30 [ 296.527797] ? kthread_bind+0x40/0x40 [ 296.531587] ret_from_fork+0x3a/0x50 [ 296.535302] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 296.535365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.542568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.542572] Call Trace: [ 296.542576] [ 296.542589] dump_stack+0x1c4/0x2b4 [ 296.542614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.549119] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.558422] warn_alloc.cold.119+0xb7/0x1bd [ 296.561447] ksoftirqd/1 cpuset= [ 296.563582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.567174] / [ 296.572440] ? lock_downgrade+0x900/0x900 [ 296.582723] mems_allowed=0 [ 296.587025] ? trace_hardirqs_off+0xb8/0x310 [ 296.608217] ? trace_hardirqs_off+0xb8/0x310 [ 296.612621] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.617472] ? warn_alloc+0x120/0x120 [ 296.621264] ? warn_alloc+0x120/0x120 [ 296.625059] ? warn_alloc+0x120/0x120 [ 296.628852] ? lock_release+0x970/0x970 [ 296.632820] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.638037] ? trace_hardirqs_on+0x310/0x310 [ 296.642439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.647964] ? should_fail+0x22d/0xd01 [ 296.651846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.656937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.662465] ? should_fail+0x22d/0xd01 [ 296.666347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.671452] ? should_fail+0x22d/0xd01 [ 296.675332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.680431] ? mark_held_locks+0x130/0x130 [ 296.684667] ? mark_held_locks+0x130/0x130 [ 296.688904] ? kvm_clock_read+0x18/0x30 [ 296.692870] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 296.697873] ? ktime_get+0x2e1/0x440 [ 296.701577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.707103] ? check_preemption_disabled+0x48/0x200 [ 296.712110] ? kasan_check_read+0x11/0x20 [ 296.716251] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.721519] ? rcu_bh_qs+0xc0/0xc0 [ 296.725052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.730578] ? check_preemption_disabled+0x48/0x200 [ 296.735583] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 296.740591] ? widen_string+0xe0/0x2e0 [ 296.744471] __alloc_pages_nodemask+0xa80/0xde0 [ 296.749129] ? should_fail+0x22d/0xd01 [ 296.753009] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.758026] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.762690] ? lock_downgrade+0x900/0x900 [ 296.766830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.772358] cache_grow_begin+0x91/0x8c0 [ 296.776409] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.780809] fallback_alloc+0x203/0x2e0 [ 296.784776] ____cache_alloc_node+0x1c7/0x1e0 [ 296.789267] kmem_cache_alloc_node+0xe3/0x730 [ 296.793755] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.797985] __alloc_skb+0x119/0x770 [ 296.801704] ? skb_scrub_packet+0x490/0x490 [ 296.806016] ? lock_downgrade+0x900/0x900 [ 296.810157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.815696] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.821140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.826579] ? addrconf_rs_timer+0x690/0x690 [ 296.830984] ndisc_alloc_skb+0x144/0x340 [ 296.835036] ndisc_send_rs+0x331/0x6e0 [ 296.838926] addrconf_rs_timer+0x314/0x690 [ 296.843153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.847388] call_timer_fn+0x272/0x920 [ 296.851266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.855611] ? process_timeout+0x40/0x40 [ 296.859688] ? trace_hardirqs_off+0xb8/0x310 [ 296.864087] ? kasan_check_read+0x11/0x20 [ 296.868227] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.872634] ? trace_hardirqs_on+0x310/0x310 [ 296.877039] ? __run_timers+0x7da/0xc70 [ 296.881002] ? lock_downgrade+0x900/0x900 [ 296.885144] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.890238] ? trace_hardirqs_on+0xbd/0x310 [ 296.894548] ? kasan_check_read+0x11/0x20 [ 296.898687] ? __run_timers+0x7da/0xc70 [ 296.902660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.908101] ? kasan_check_write+0x14/0x20 [ 296.912326] ? do_raw_spin_lock+0xc1/0x200 [ 296.916554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.920778] __run_timers+0x7e5/0xc70 [ 296.924575] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.929931] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.934937] ? timerqueue_add+0x207/0x2b0 [ 296.939076] ? enqueue_hrtimer+0x1a5/0x560 [ 296.943300] ? lock_release+0x970/0x970 [ 296.947266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.952618] ? kasan_check_write+0x14/0x20 [ 296.956898] ? pvclock_read_flags+0x160/0x160 [ 296.961384] ? lock_downgrade+0x900/0x900 [ 296.965529] ? trace_hardirqs_on+0xbd/0x310 [ 296.969843] ? kvm_sched_clock_read+0x9/0x20 [ 296.974241] ? irq_exit+0x17f/0x1c0 [ 296.977857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.983390] ? check_preemption_disabled+0x48/0x200 [ 296.988399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.993946] run_timer_softirq+0x52/0xb0 [ 296.998000] ? __this_cpu_preempt_check+0x1c/0x1f [ 297.002836] __do_softirq+0x30b/0xad8 [ 297.006641] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.011742] ? pvclock_read_flags+0x160/0x160 [ 297.016230] ? lapic_next_event+0x5a/0x90 [ 297.020375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.025902] ? clockevents_program_event+0x140/0x370 [ 297.030997] ? kvm_clock_read+0x18/0x30 [ 297.034959] ? kvm_sched_clock_read+0x9/0x20 [ 297.039358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.044885] ? check_preemption_disabled+0x48/0x200 [ 297.049896] irq_exit+0x17f/0x1c0 [ 297.053341] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.058171] ? smp_reschedule_interrupt+0x109/0x650 [ 297.063178] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.069049] ? interrupt_entry+0xb5/0xf0 [ 297.073099] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.078103] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.083108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.087940] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.092957] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.097963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.103507] ? check_preemption_disabled+0x48/0x200 [ 297.109002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.113838] apic_timer_interrupt+0xf/0x20 [ 297.118057] [ 297.120288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 297.125209] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 297.144102] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.151800] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 297.159060] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 297.166317] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 297.173574] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 297.180833] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 297.188105] ? trace_hardirqs_on+0xb4/0x310 [ 297.192423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.197954] skb_clone+0x1bb/0x500 [ 297.201482] ? finish_task_switch+0x2f5/0x900 [ 297.205968] ? skb_split+0x11e0/0x11e0 [ 297.209847] ? preempt_notifier_register+0x200/0x200 [ 297.214933] ? __switch_to_asm+0x34/0x70 [ 297.218993] ? __switch_to_asm+0x34/0x70 [ 297.223042] ? __switch_to_asm+0x40/0x70 [ 297.227092] ? __switch_to_asm+0x34/0x70 [ 297.231140] ? __switch_to_asm+0x40/0x70 [ 297.235198] ? __switch_to_asm+0x34/0x70 [ 297.239247] ? __switch_to_asm+0x40/0x70 [ 297.243294] ? __switch_to_asm+0x34/0x70 [ 297.247341] ? __switch_to_asm+0x34/0x70 [ 297.251389] ? __switch_to_asm+0x40/0x70 [ 297.255441] ? __switch_to_asm+0x34/0x70 [ 297.259497] bpf_clone_redirect+0xb9/0x490 [ 297.263722] ? __schedule+0x874/0x1ed0 [ 297.267610] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 297.272534] ? __sched_text_start+0x8/0x8 [ 297.276672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.281422] ? retint_kernel+0x2d/0x2d [ 297.285306] ? lock_acquire+0x1ed/0x520 [ 297.289272] ? bpf_test_run+0x32e/0x5a0 [ 297.293237] ? lock_release+0x970/0x970 [ 297.297199] ? preempt_schedule+0x4d/0x60 [ 297.301343] ? preempt_schedule_common+0x1f/0xd0 [ 297.306089] ? preempt_schedule+0x4d/0x60 [ 297.310230] ? ___preempt_schedule+0x16/0x18 [ 297.314636] ? bpf_test_run+0x1c0/0x5a0 [ 297.318611] ? netlink_diag_dump+0x2a0/0x2a0 [ 297.323017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.328545] ? bpf_test_init.isra.9+0x70/0x100 [ 297.333118] ? bpf_prog_test_run_skb+0x634/0xb40 [ 297.337866] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.342699] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.348227] ? fput+0x130/0x1a0 [ 297.351510] ? __bpf_prog_get+0x9b/0x290 [ 297.355560] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.360394] ? bpf_prog_test_run+0x130/0x1a0 [ 297.364796] ? __x64_sys_bpf+0x3d8/0x510 [ 297.368848] ? bpf_prog_get+0x20/0x20 [ 297.372649] ? do_syscall_64+0x1b9/0x820 [ 297.376701] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.382053] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.386977] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.391982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.396991] ? recalc_sigpending_tsk+0x180/0x180 [ 297.401742] ? kasan_check_write+0x14/0x20 [ 297.405987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.410825] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.416184] warn_alloc_show_mem: 1 callbacks suppressed [ 297.416194] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 297.416196] Mem-Info: [ 297.416225] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 297.416225] active_file:16 inactive_file:17 isolated_file:0 [ 297.416225] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.416225] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 297.416225] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 297.416225] free:13792 free_pcp:309 free_cma:0 [ 297.422062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.422069] Call Trace: [ 297.428917] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.431790] dump_stack+0x1c4/0x2b4 [ 297.466139] Node 0 [ 297.475495] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.478065] 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 [ 297.505877] ? isolate_lru_page+0x22e0/0x22e0 [ 297.509470] lowmem_reserve[]: [ 297.511716] warn_alloc.cold.119+0xb7/0x1bd [ 297.516872] 0 [ 297.543186] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.547646] 2819 6323 [ 297.550743] ? lock_downgrade+0x900/0x900 [ 297.555030] 6323 [ 297.556829] ? trace_hardirqs_off+0xb8/0x310 [ 297.561635] Node 0 [ 297.564122] ? trace_hardirqs_off+0xb8/0x310 [ 297.568260] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 297.570287] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.574659] lowmem_reserve[]: [ 297.576887] ? mark_held_locks+0x130/0x130 [ 297.581410] 0 [ 297.609184] ? warn_alloc+0x120/0x120 [ 297.613994] 0 [ 297.617082] ? warn_alloc+0x120/0x120 [ 297.621285] 3503 [ 297.623069] ? warn_alloc+0x120/0x120 [ 297.626837] 3503 [ 297.628624] ? mark_held_locks+0x130/0x130 [ 297.634443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.638219] Node 0 [ 297.640270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.644497] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 297.650009] ? should_fail+0x22d/0xd01 [ 297.652211] lowmem_reserve[]: 0 [ 297.657740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.686072] 0 [ 297.689945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.693185] 0 0 [ 297.698276] ? should_fail+0x22d/0xd01 [ 297.705577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.707529] Node 0 [ 297.711403] ? should_fail+0x22d/0xd01 [ 297.716478] DMA: [ 297.718704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.722564] 1*4kB [ 297.724612] ? mark_held_locks+0x130/0x130 [ 297.729685] (U) [ 297.731821] ? mark_held_locks+0x130/0x130 [ 297.736026] 0*8kB [ 297.737986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.742187] 0*16kB [ 297.744325] ? trace_hardirqs_off+0xb8/0x310 [ 297.749826] 1*32kB [ 297.752045] ? kasan_check_read+0x11/0x20 [ 297.756420] (U) [ 297.758645] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.762758] 2*64kB (U) [ 297.765118] ? trace_hardirqs_on+0x310/0x310 [ 297.769512] 1*128kB [ 297.772084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.776457] (U) [ 297.778763] ? wq_watchdog_touch+0x9c/0xfe [ 297.784263] 1*256kB (U) [ 297.786233] ? io_serial_in+0x11/0x90 [ 297.790433] 0*512kB [ 297.793103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.796874] 1*1024kB [ 297.799183] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.804687] (U) [ 297.807094] __alloc_pages_nodemask+0xa80/0xde0 [ 297.812152] 1*2048kB (M) [ 297.814122] ? should_fail+0x22d/0xd01 [ 297.818759] 3*4096kB [ 297.821500] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.825355] (M) [ 297.827764] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.832739] = 15908kB [ 297.834699] ? lock_downgrade+0x900/0x900 [ 297.839337] Node 0 [ 297.841735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.845849] DMA32: [ 297.848078] cache_grow_begin+0x91/0x8c0 [ 297.853581] 6*4kB [ 297.855804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.859843] (UME) [ 297.861981] fallback_alloc+0x203/0x2e0 [ 297.866358] 2*8kB [ 297.869113] ____cache_alloc_node+0x1c7/0x1e0 [ 297.873076] (UE) [ 297.875216] kmem_cache_alloc_node+0xe3/0x730 [ 297.879680] 4*16kB [ 297.881730] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.886184] (UME) 4*32kB [ 297.888413] __alloc_skb+0x119/0x770 [ 297.892616] (UME) [ 297.895357] ? skb_scrub_packet+0x490/0x490 [ 297.899041] 5*64kB [ 297.901177] ? lock_downgrade+0x900/0x900 [ 297.905466] (ME) [ 297.907691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.911806] 5*128kB [ 297.913855] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.919357] (UME) [ 297.921665] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.927083] 4*256kB [ 297.929220] ? addrconf_rs_timer+0x690/0x690 [ 297.934646] (ME) [ 297.936959] ndisc_alloc_skb+0x144/0x340 [ 297.941330] 5*512kB [ 297.943381] ndisc_send_rs+0x331/0x6e0 [ 297.947411] (UME) [ 297.949721] addrconf_rs_timer+0x314/0x690 [ 297.953580] 4*1024kB [ 297.955715] ? lock_release+0x970/0x970 [ 297.959922] (UME) [ 297.962320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.966263] 2*2048kB [ 297.968401] call_timer_fn+0x272/0x920 [ 297.972601] (ME) [ 297.974995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.978845] 3*4096kB (M) [ 297.980898] ? process_timeout+0x40/0x40 [ 297.985100] = 25256kB [ 297.987838] ? kasan_check_read+0x11/0x20 [ 297.987853] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.991886] Node 0 [ 297.994296] ? trace_hardirqs_on+0x310/0x310 [ 297.998410] Normal: [ 298.002805] ? __run_timers+0x7da/0xc70 [ 298.005009] 1063*4kB [ 298.009401] ? lock_downgrade+0x900/0x900 [ 298.011693] (UMEH) [ 298.015652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.018033] 420*8kB [ 298.022163] ? trace_hardirqs_on+0xbd/0x310 [ 298.024367] (UME) [ 298.029970] ? kasan_check_read+0x11/0x20 [ 298.032280] 170*16kB [ 298.036920] ? __run_timers+0x7da/0xc70 [ 298.039037] (UMEH) [ 298.043662] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.046044] 65*32kB [ 298.050008] ? kasan_check_write+0x14/0x20 [ 298.052210] (UME) [ 298.057646] ? do_raw_spin_lock+0xc1/0x200 [ 298.059939] 9*64kB [ 298.064160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.066280] (UM) [ 298.070500] __run_timers+0x7e5/0xc70 [ 298.072712] 0*128kB [ 298.076933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.078963] 0*256kB [ 298.086455] ? compat_start_thread+0x80/0x80 [ 298.088747] 0*512kB [ 298.094214] ? dequeue_entity+0x1770/0x1770 [ 298.096507] 1*1024kB [ 298.100901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.103200] (H) 0*2048kB [ 298.107890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.110270] 0*4096kB [ 298.115790] ? kasan_check_write+0x14/0x20 [ 298.118516] = 14012kB [ 298.124046] ? finish_task_switch+0x2f5/0x900 [ 298.126434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.130648] ? __switch_to_asm+0x40/0x70 [ 298.133031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.137508] ? preempt_notifier_register+0x200/0x200 [ 298.146320] 4986 total pagecache pages [ 298.150366] ? __switch_to_asm+0x34/0x70 [ 298.158911] 0 pages in swap cache [ 298.163986] ? __switch_to_asm+0x40/0x70 [ 298.163999] ? __switch_to_asm+0x34/0x70 [ 298.167860] Swap cache stats: add 0, delete 0, find 0/0 [ 298.171898] ? __switch_to_asm+0x40/0x70 [ 298.175321] Free swap = 0kB [ 298.179889] ? __switch_to_asm+0x34/0x70 [ 298.183922] Total swap = 0kB [ 298.189270] ? __switch_to_asm+0x40/0x70 [ 298.193299] 1965979 pages RAM [ 298.196303] ? pvclock_read_flags+0x160/0x160 [ 298.200333] 0 pages HighMem/MovableOnly [ 298.203339] ? __schedule+0x874/0x1ed0 [ 298.207370] 342307 pages reserved [ 298.210458] ? run_rebalance_domains+0x38d/0x500 [ 298.214916] 0 pages cma reserved [ 298.214965] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.215001] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.215005] syz-executor4 cpuset=syz4 mems_allowed=0 [ 298.256918] ? trace_hardirqs_on+0xbd/0x310 [ 298.261230] ? kvm_sched_clock_read+0x9/0x20 [ 298.265645] ? run_ksoftirqd+0x94/0x100 [ 298.269611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.275682] ? check_preemption_disabled+0x48/0x200 [ 298.280693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.286226] run_timer_softirq+0x52/0xb0 [ 298.290276] ? __this_cpu_preempt_check+0x1c/0x1f [ 298.295109] __do_softirq+0x30b/0xad8 [ 298.298909] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.304002] ? trace_hardirqs_off+0xb8/0x310 [ 298.308404] ? schedule+0x108/0x460 [ 298.312025] ? __schedule+0x1ed0/0x1ed0 [ 298.315995] ? run_ksoftirqd+0x99/0x100 [ 298.319958] ? trace_hardirqs_off+0xb8/0x310 [ 298.324355] ? ___might_sleep+0x1ed/0x300 [ 298.328493] ? smpboot_thread_fn+0x68b/0xa00 [ 298.332895] ? trace_hardirqs_on+0x310/0x310 [ 298.337294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.342821] ? check_preemption_disabled+0x48/0x200 [ 298.347825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.353354] ? takeover_tasklets+0xa90/0xa90 [ 298.357754] run_ksoftirqd+0x94/0x100 [ 298.362004] smpboot_thread_fn+0x68b/0xa00 [ 298.366233] ? sort_range+0x30/0x30 [ 298.369850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.374943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.380467] ? __kthread_parkme+0xfb/0x1a0 [ 298.384692] kthread+0x35a/0x420 [ 298.388049] ? sort_range+0x30/0x30 [ 298.391666] ? kthread_bind+0x40/0x40 [ 298.395474] ret_from_fork+0x3a/0x50 [ 298.399196] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 298.399251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.406460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.406463] Call Trace: [ 298.406468] [ 298.406483] dump_stack+0x1c4/0x2b4 [ 298.406506] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.413516] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.423088] warn_alloc.cold.119+0xb7/0x1bd [ 298.425638] ksoftirqd/1 cpuset= [ 298.427770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.431364] / [ 298.436539] ? lock_downgrade+0x900/0x900 [ 298.447316] mems_allowed=0 [ 298.451969] ? trace_hardirqs_off+0xb8/0x310 [ 298.474061] ? trace_hardirqs_off+0xb8/0x310 [ 298.478464] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.483915] ? warn_alloc+0x120/0x120 [ 298.487707] ? warn_alloc+0x120/0x120 [ 298.491507] ? warn_alloc+0x120/0x120 [ 298.495305] ? lock_release+0x970/0x970 [ 298.499687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.504865] ? trace_hardirqs_on+0x310/0x310 [ 298.509271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.514798] ? should_fail+0x22d/0xd01 [ 298.518676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.523769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.529293] ? should_fail+0x22d/0xd01 [ 298.533172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.538264] ? should_fail+0x22d/0xd01 [ 298.542249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.547344] ? mark_held_locks+0x130/0x130 [ 298.551583] ? mark_held_locks+0x130/0x130 [ 298.555815] ? kvm_clock_read+0x18/0x30 [ 298.559782] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 298.564787] ? ktime_get+0x2e1/0x440 [ 298.568500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.574033] ? check_preemption_disabled+0x48/0x200 [ 298.579039] ? kasan_check_read+0x11/0x20 [ 298.583178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.588447] ? rcu_bh_qs+0xc0/0xc0 [ 298.591980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.597523] ? check_preemption_disabled+0x48/0x200 [ 298.602642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 298.607649] ? widen_string+0xe0/0x2e0 [ 298.611554] __alloc_pages_nodemask+0xa80/0xde0 [ 298.616216] ? should_fail+0x22d/0xd01 [ 298.620108] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.625129] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.629792] ? lock_downgrade+0x900/0x900 [ 298.633935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.639486] cache_grow_begin+0x91/0x8c0 [ 298.643539] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.647943] fallback_alloc+0x203/0x2e0 [ 298.651912] ____cache_alloc_node+0x1c7/0x1e0 [ 298.656403] kmem_cache_alloc_node+0xe3/0x730 [ 298.660888] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.665118] __alloc_skb+0x119/0x770 [ 298.668821] ? skb_scrub_packet+0x490/0x490 [ 298.673134] ? lock_downgrade+0x900/0x900 [ 298.677275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.682819] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.688290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.693735] ? addrconf_rs_timer+0x690/0x690 [ 298.698140] ndisc_alloc_skb+0x144/0x340 [ 298.702197] ndisc_send_rs+0x331/0x6e0 [ 298.706078] addrconf_rs_timer+0x314/0x690 [ 298.710308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.714538] call_timer_fn+0x272/0x920 [ 298.718417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.722661] ? process_timeout+0x40/0x40 [ 298.726713] ? trace_hardirqs_off+0xb8/0x310 [ 298.731109] ? kasan_check_read+0x11/0x20 [ 298.735253] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.739652] ? trace_hardirqs_on+0x310/0x310 [ 298.744057] ? __run_timers+0x7da/0xc70 [ 298.748020] ? lock_downgrade+0x900/0x900 [ 298.752161] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.757257] ? trace_hardirqs_on+0xbd/0x310 [ 298.761568] ? kasan_check_read+0x11/0x20 [ 298.765706] ? __run_timers+0x7da/0xc70 [ 298.769686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.775135] ? kasan_check_write+0x14/0x20 [ 298.779374] ? do_raw_spin_lock+0xc1/0x200 [ 298.783618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.787844] __run_timers+0x7e5/0xc70 [ 298.791641] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.796995] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.802006] ? timerqueue_add+0x207/0x2b0 [ 298.806146] ? enqueue_hrtimer+0x1a5/0x560 [ 298.810372] ? lock_release+0x970/0x970 [ 298.814337] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.819585] ? kasan_check_write+0x14/0x20 [ 298.823811] ? pvclock_read_flags+0x160/0x160 [ 298.828313] ? lock_downgrade+0x900/0x900 [ 298.832458] ? trace_hardirqs_on+0xbd/0x310 [ 298.836778] ? kvm_sched_clock_read+0x9/0x20 [ 298.841176] ? irq_exit+0x17f/0x1c0 [ 298.844807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.850444] ? check_preemption_disabled+0x48/0x200 [ 298.855467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.861007] run_timer_softirq+0x52/0xb0 [ 298.865060] ? __this_cpu_preempt_check+0x1c/0x1f [ 298.869900] __do_softirq+0x30b/0xad8 [ 298.873707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.878801] ? pvclock_read_flags+0x160/0x160 [ 298.883282] ? lapic_next_event+0x5a/0x90 [ 298.887443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.892997] ? clockevents_program_event+0x140/0x370 [ 298.898114] ? kvm_clock_read+0x18/0x30 [ 298.902080] ? kvm_sched_clock_read+0x9/0x20 [ 298.906493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.912022] ? check_preemption_disabled+0x48/0x200 [ 298.917036] irq_exit+0x17f/0x1c0 [ 298.920488] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.925318] ? smp_reschedule_interrupt+0x109/0x650 [ 298.930325] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.936202] ? interrupt_entry+0xb5/0xf0 [ 298.940254] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.945260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.950283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.955116] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.960132] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.965138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.970664] ? check_preemption_disabled+0x48/0x200 [ 298.975676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.980514] apic_timer_interrupt+0xf/0x20 [ 298.984733] [ 298.986966] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.991885] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 299.010775] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.018483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 299.025743] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 299.033002] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 299.040267] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 299.047532] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 299.054814] ? trace_hardirqs_on+0xb4/0x310 [ 299.059152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.064689] skb_clone+0x1bb/0x500 [ 299.068218] ? finish_task_switch+0x2f5/0x900 [ 299.072702] ? skb_split+0x11e0/0x11e0 [ 299.076582] ? preempt_notifier_register+0x200/0x200 [ 299.081672] ? __switch_to_asm+0x34/0x70 [ 299.085722] ? __switch_to_asm+0x34/0x70 [ 299.089769] ? __switch_to_asm+0x40/0x70 [ 299.093815] ? __switch_to_asm+0x34/0x70 [ 299.097863] ? __switch_to_asm+0x40/0x70 [ 299.101911] ? __switch_to_asm+0x34/0x70 [ 299.105958] ? __switch_to_asm+0x40/0x70 [ 299.110482] ? __switch_to_asm+0x34/0x70 [ 299.114536] ? __switch_to_asm+0x34/0x70 [ 299.118584] ? __switch_to_asm+0x40/0x70 [ 299.122632] ? __switch_to_asm+0x34/0x70 [ 299.126686] bpf_clone_redirect+0xb9/0x490 [ 299.130914] ? __schedule+0x874/0x1ed0 [ 299.134794] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 299.139715] ? __sched_text_start+0x8/0x8 [ 299.143855] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.148601] ? retint_kernel+0x2d/0x2d [ 299.152496] ? lock_acquire+0x1ed/0x520 [ 299.156472] ? bpf_test_run+0x32e/0x5a0 [ 299.160449] ? lock_release+0x970/0x970 [ 299.164418] ? preempt_schedule+0x4d/0x60 [ 299.168569] ? preempt_schedule_common+0x1f/0xd0 [ 299.173314] ? preempt_schedule+0x4d/0x60 [ 299.177464] ? ___preempt_schedule+0x16/0x18 [ 299.181868] ? bpf_test_run+0x1c0/0x5a0 [ 299.185838] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.190240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.195784] ? bpf_test_init.isra.9+0x70/0x100 [ 299.200367] ? bpf_prog_test_run_skb+0x634/0xb40 [ 299.205122] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.209962] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.215487] ? fput+0x130/0x1a0 [ 299.218761] ? __bpf_prog_get+0x9b/0x290 [ 299.222817] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.227646] ? bpf_prog_test_run+0x130/0x1a0 [ 299.232048] ? __x64_sys_bpf+0x3d8/0x510 [ 299.236098] ? bpf_prog_get+0x20/0x20 [ 299.239990] ? do_syscall_64+0x1b9/0x820 [ 299.244044] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.249397] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.254318] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.259325] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.264331] ? recalc_sigpending_tsk+0x180/0x180 [ 299.269074] ? kasan_check_write+0x14/0x20 [ 299.273305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.278142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.283503] warn_alloc_show_mem: 1 callbacks suppressed [ 299.283512] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 299.283514] Mem-Info: [ 299.283542] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 299.283542] active_file:16 inactive_file:17 isolated_file:0 [ 299.283542] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.283542] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 299.283542] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 299.283542] free:13792 free_pcp:309 free_cma:0 [ 299.288868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.288875] Call Trace: [ 299.295714] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.298110] dump_stack+0x1c4/0x2b4 [ 299.331128] Node 0 [ 299.340476] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.343053] 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 [ 299.370863] ? isolate_lru_page+0x22e0/0x22e0 [ 299.374460] lowmem_reserve[]: [ 299.376683] warn_alloc.cold.119+0xb7/0x1bd [ 299.381840] 0 [ 299.407326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.411801] 2819 [ 299.417964] ? lock_downgrade+0x900/0x900 [ 299.421745] 6323 6323 [ 299.423544] ? trace_hardirqs_off+0xb8/0x310 [ 299.430406] ? trace_hardirqs_off+0xb8/0x310 [ 299.434529] Node 0 [ 299.437013] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.441418] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 299.445786] ? mark_held_locks+0x130/0x130 [ 299.447984] lowmem_reserve[]: [ 299.455550] ? warn_alloc+0x120/0x120 [ 299.483007] 0 [ 299.487238] ? warn_alloc+0x120/0x120 [ 299.490303] 0 [ 299.495519] ? warn_alloc+0x120/0x120 [ 299.497287] 3503 3503 [ 299.501077] ? mark_held_locks+0x130/0x130 [ 299.502855] Node 0 [ 299.506644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.509134] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 299.513330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.515533] lowmem_reserve[]: [ 299.521058] ? should_fail+0x22d/0xd01 [ 299.549383] 0 0 [ 299.554923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.557995] 0 [ 299.561867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.563808] 0 [ 299.569359] ? should_fail+0x22d/0xd01 [ 299.576653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.578431] Node 0 [ 299.582309] ? should_fail+0x22d/0xd01 [ 299.587380] DMA: [ 299.589613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.593482] 1*4kB [ 299.595530] ? mark_held_locks+0x130/0x130 [ 299.600597] (U) [ 299.602735] ? mark_held_locks+0x130/0x130 [ 299.606945] 0*8kB [ 299.608905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.613113] 0*16kB 1*32kB [ 299.615255] ? trace_hardirqs_off+0xb8/0x310 [ 299.620768] (U) [ 299.623597] ? kasan_check_read+0x11/0x20 [ 299.628081] 2*64kB (U) [ 299.630051] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.634166] 1*128kB [ 299.636733] ? trace_hardirqs_on+0x310/0x310 [ 299.641109] (U) [ 299.643422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.647796] 1*256kB (U) [ 299.649766] ? wq_watchdog_touch+0x9c/0xfe [ 299.655268] 0*512kB [ 299.657927] ? io_serial_in+0x11/0x90 [ 299.662123] 1*1024kB [ 299.664429] ? retint_kernel+0x2d/0x2d [ 299.664444] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.668212] (U) [ 299.671102] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.674957] 1*2048kB [ 299.679866] ? trace_hardirqs_off+0x310/0x310 [ 299.681818] (M) [ 299.686558] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.688950] 3*4096kB [ 299.693433] __alloc_pages_nodemask+0xa80/0xde0 [ 299.695374] (M) [ 299.700468] ? should_fail+0x22d/0xd01 [ 299.702847] = 15908kB [ 299.707499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.709445] Node 0 [ 299.713342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.715711] DMA32: [ 299.720710] ? lock_downgrade+0x900/0x900 [ 299.722915] 6*4kB [ 299.727569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.729773] (UME) [ 299.733903] cache_grow_begin+0x91/0x8c0 [ 299.736021] 2*8kB [ 299.741560] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.743676] (UE) [ 299.747723] fallback_alloc+0x203/0x2e0 [ 299.749844] 4*16kB [ 299.754234] ____cache_alloc_node+0x1c7/0x1e0 [ 299.756269] (UME) [ 299.760230] kmem_cache_alloc_node+0xe3/0x730 [ 299.762438] 4*32kB [ 299.766922] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.769031] (UME) [ 299.773513] __alloc_skb+0x119/0x770 [ 299.775718] 5*64kB [ 299.779936] ? skb_scrub_packet+0x490/0x490 [ 299.782053] (ME) [ 299.785750] ? lock_downgrade+0x900/0x900 [ 299.787960] 5*128kB [ 299.793771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.795818] (UME) [ 299.799956] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.802250] 4*256kB [ 299.807780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.809904] (ME) [ 299.815339] ? addrconf_rs_timer+0x690/0x690 [ 299.817631] 5*512kB [ 299.823068] ndisc_alloc_skb+0x144/0x340 [ 299.825103] (UME) [ 299.829497] ndisc_send_rs+0x331/0x6e0 [ 299.831787] 4*1024kB [ 299.835834] addrconf_rs_timer+0x314/0x690 [ 299.837950] (UME) [ 299.841823] ? lock_release+0x970/0x970 [ 299.844205] 2*2048kB [ 299.848425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.850551] (ME) [ 299.855019] call_timer_fn+0x272/0x920 [ 299.857400] 3*4096kB [ 299.861618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.863647] (M) [ 299.867516] ? process_timeout+0x40/0x40 [ 299.869892] = 25256kB [ 299.869896] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB [ 299.874146] ? kasan_check_read+0x11/0x20 [ 299.876106] (UMEH) [ 299.880159] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.882536] 65*32kB [ 299.888842] ? trace_hardirqs_on+0x310/0x310 [ 299.892951] (UME) 9*64kB [ 299.895183] ? __run_timers+0x7da/0xc70 [ 299.899558] (UM) [ 299.901866] ? lock_downgrade+0x900/0x900 [ 299.906239] 0*128kB 0*256kB [ 299.909003] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.912947] 0*512kB [ 299.914993] ? trace_hardirqs_on+0xbd/0x310 [ 299.919109] 1*1024kB [ 299.922108] ? kasan_check_read+0x11/0x20 [ 299.927180] (H) [ 299.929510] ? __run_timers+0x7da/0xc70 [ 299.933797] 0*2048kB [ 299.936190] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.940300] 0*4096kB = 14012kB [ 299.942268] ? kasan_check_write+0x14/0x20 [ 299.946217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.948609] ? do_raw_spin_lock+0xc1/0x200 [ 299.954035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.957740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.961943] 4986 total pagecache pages [ 299.970778] __run_timers+0x7e5/0xc70 [ 299.974978] 0 pages in swap cache [ 299.983541] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.987744] Swap cache stats: add 0, delete 0, find 0/0 [ 299.991609] ? compat_start_thread+0x80/0x80 [ 299.995385] Free swap = 0kB [ 299.998820] ? dequeue_entity+0x1770/0x1770 [ 300.004155] Total swap = 0kB [ 300.009503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.013879] 1965979 pages RAM [ 300.016886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.021176] 0 pages HighMem/MovableOnly [ 300.024177] ? kasan_check_write+0x14/0x20 [ 300.029680] 342307 pages reserved [ 300.032771] ? finish_task_switch+0x2f5/0x900 [ 300.038272] 0 pages cma reserved [ 300.042230] ? __switch_to_asm+0x40/0x70 [ 300.046477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.049873] ? preempt_notifier_register+0x200/0x200 [ 300.054411] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.057684] ? __switch_to_asm+0x34/0x70 [ 300.061714] syz-executor4 cpuset= [ 300.068188] ? __switch_to_asm+0x40/0x70 [ 300.073257] syz4 [ 300.083718] ? __switch_to_asm+0x34/0x70 [ 300.083731] ? __switch_to_asm+0x40/0x70 [ 300.087762] mems_allowed=0 [ 300.091195] ? __switch_to_asm+0x34/0x70 [ 300.114427] ? __switch_to_asm+0x40/0x70 [ 300.118509] ? pvclock_read_flags+0x160/0x160 [ 300.122995] ? __schedule+0x874/0x1ed0 [ 300.126873] ? run_rebalance_domains+0x38d/0x500 [ 300.131629] ? trace_hardirqs_on+0xbd/0x310 [ 300.135942] ? kvm_sched_clock_read+0x9/0x20 [ 300.140344] ? run_ksoftirqd+0x94/0x100 [ 300.144322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.149852] ? check_preemption_disabled+0x48/0x200 [ 300.155330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.160875] run_timer_softirq+0x52/0xb0 [ 300.164933] ? __this_cpu_preempt_check+0x1c/0x1f [ 300.169767] __do_softirq+0x30b/0xad8 [ 300.173564] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.178661] ? trace_hardirqs_off+0xb8/0x310 [ 300.183065] ? schedule+0x108/0x460 [ 300.187187] ? __schedule+0x1ed0/0x1ed0 [ 300.191153] ? run_ksoftirqd+0x99/0x100 [ 300.195117] ? trace_hardirqs_off+0xb8/0x310 [ 300.200008] ? ___might_sleep+0x1ed/0x300 [ 300.204148] ? smpboot_thread_fn+0x68b/0xa00 [ 300.208546] ? trace_hardirqs_on+0x310/0x310 [ 300.212944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.218475] ? check_preemption_disabled+0x48/0x200 [ 300.226919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.233520] ? takeover_tasklets+0xa90/0xa90 [ 300.237923] run_ksoftirqd+0x94/0x100 [ 300.241717] smpboot_thread_fn+0x68b/0xa00 [ 300.245944] ? sort_range+0x30/0x30 [ 300.249576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.254674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.260204] ? __kthread_parkme+0xfb/0x1a0 [ 300.264916] kthread+0x35a/0x420 [ 300.268272] ? sort_range+0x30/0x30 [ 300.271890] ? kthread_bind+0x40/0x40 [ 300.276676] ret_from_fork+0x3a/0x50 [ 300.280393] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 300.280443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.287661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.294197] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.303548] Call Trace: [ 300.313834] ksoftirqd/1 cpuset= [ 300.316391] [ 300.316393] / mems_allowed=0 [ 300.319667] dump_stack+0x1c4/0x2b4 [ 300.328404] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.333592] warn_alloc.cold.119+0xb7/0x1bd [ 300.337907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.342746] ? lock_downgrade+0x900/0x900 [ 300.346891] ? trace_hardirqs_off+0xb8/0x310 [ 300.351289] ? trace_hardirqs_off+0xb8/0x310 [ 300.355701] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.360546] ? warn_alloc+0x120/0x120 [ 300.364344] ? trace_hardirqs_on+0x310/0x310 [ 300.368746] ? warn_alloc+0x120/0x120 [ 300.372540] ? warn_alloc+0x120/0x120 [ 300.376328] ? ktime_get+0x2e1/0x440 [ 300.380045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.385575] ? check_preemption_disabled+0x48/0x200 [ 300.390596] ? kasan_check_read+0x11/0x20 [ 300.394747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.400277] ? should_fail+0x22d/0xd01 [ 300.404154] ? rcu_bh_qs+0xc0/0xc0 [ 300.407685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.412776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.418305] ? should_fail+0x22d/0xd01 [ 300.422191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.427283] ? should_fail+0x22d/0xd01 [ 300.431161] ? rcu_idle_enter+0x4b0/0x4b0 [ 300.435299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.440397] ? mark_held_locks+0x130/0x130 [ 300.444624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.450705] ? mark_held_locks+0x130/0x130 [ 300.454934] ? rcu_irq_exit+0xce/0x100 [ 300.458816] ? irq_exit+0xbd/0x1c0 [ 300.462358] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 300.468033] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.472452] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.478331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.483884] ? ret_from_intr+0xb/0x1e [ 300.487674] ? retint_kernel+0x2d/0x2d [ 300.491555] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.496477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.501222] ? trace_hardirqs_off+0x310/0x310 [ 300.505709] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.510808] __alloc_pages_nodemask+0xa80/0xde0 [ 300.515470] ? should_fail+0x22d/0xd01 [ 300.519362] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.524385] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.529049] ? lock_downgrade+0x900/0x900 [ 300.533190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.538718] cache_grow_begin+0x91/0x8c0 [ 300.542772] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.547176] fallback_alloc+0x203/0x2e0 [ 300.551143] ____cache_alloc_node+0x1c7/0x1e0 [ 300.555637] kmem_cache_alloc_node+0xe3/0x730 [ 300.560124] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.564358] __alloc_skb+0x119/0x770 [ 300.568066] ? skb_scrub_packet+0x490/0x490 [ 300.572376] ? lock_downgrade+0x900/0x900 [ 300.576518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.582045] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.587488] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.592934] ? addrconf_rs_timer+0x690/0x690 [ 300.597351] ndisc_alloc_skb+0x144/0x340 [ 300.601410] ndisc_send_rs+0x331/0x6e0 [ 300.605292] addrconf_rs_timer+0x314/0x690 [ 300.609526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.613756] call_timer_fn+0x272/0x920 [ 300.617636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.621861] ? process_timeout+0x40/0x40 [ 300.625911] ? trace_hardirqs_off+0xb8/0x310 [ 300.630316] ? kasan_check_read+0x11/0x20 [ 300.634458] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.638854] ? trace_hardirqs_on+0x310/0x310 [ 300.643253] ? __run_timers+0x7da/0xc70 [ 300.647218] ? lock_downgrade+0x900/0x900 [ 300.651360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.656455] ? trace_hardirqs_on+0xbd/0x310 [ 300.660763] ? kasan_check_read+0x11/0x20 [ 300.664902] ? __run_timers+0x7da/0xc70 [ 300.668866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.674315] ? kasan_check_write+0x14/0x20 [ 300.678559] ? do_raw_spin_lock+0xc1/0x200 [ 300.682791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.687018] __run_timers+0x7e5/0xc70 [ 300.690815] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.696169] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.701180] ? timerqueue_add+0x207/0x2b0 [ 300.705323] ? enqueue_hrtimer+0x1a5/0x560 [ 300.709552] ? lock_release+0x970/0x970 [ 300.713522] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.718701] ? kasan_check_write+0x14/0x20 [ 300.722930] ? pvclock_read_flags+0x160/0x160 [ 300.727413] ? lock_downgrade+0x900/0x900 [ 300.731556] ? trace_hardirqs_on+0xbd/0x310 [ 300.735870] ? kvm_sched_clock_read+0x9/0x20 [ 300.740271] ? irq_exit+0x17f/0x1c0 [ 300.743887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.749424] ? check_preemption_disabled+0x48/0x200 [ 300.754431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.759963] run_timer_softirq+0x52/0xb0 [ 300.764029] ? __this_cpu_preempt_check+0x1c/0x1f [ 300.768920] __do_softirq+0x30b/0xad8 [ 300.772720] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.777815] ? pvclock_read_flags+0x160/0x160 [ 300.782308] ? lapic_next_event+0x5a/0x90 [ 300.786453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.791981] ? clockevents_program_event+0x140/0x370 [ 300.797079] ? kvm_clock_read+0x18/0x30 [ 300.801043] ? kvm_sched_clock_read+0x9/0x20 [ 300.805443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.810971] ? check_preemption_disabled+0x48/0x200 [ 300.815985] irq_exit+0x17f/0x1c0 [ 300.819428] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.824259] ? smp_reschedule_interrupt+0x109/0x650 [ 300.829268] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.835150] ? interrupt_entry+0xb5/0xf0 [ 300.839201] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.844205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.849211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.854042] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.859053] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.864078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.869617] ? check_preemption_disabled+0x48/0x200 [ 300.874628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.879464] apic_timer_interrupt+0xf/0x20 [ 300.883680] [ 300.885909] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.890829] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 300.909814] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.917514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 300.924770] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 300.932124] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 300.939396] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 300.946655] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.953932] ? trace_hardirqs_on+0xb4/0x310 [ 300.958248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.963777] skb_clone+0x1bb/0x500 [ 300.967321] ? finish_task_switch+0x2f5/0x900 [ 300.971806] ? skb_split+0x11e0/0x11e0 [ 300.975684] ? preempt_notifier_register+0x200/0x200 [ 300.980775] ? __switch_to_asm+0x34/0x70 [ 300.984826] ? __switch_to_asm+0x34/0x70 [ 300.988972] ? __switch_to_asm+0x40/0x70 [ 300.993023] ? __switch_to_asm+0x34/0x70 [ 300.997075] ? __switch_to_asm+0x40/0x70 [ 301.001125] ? __switch_to_asm+0x34/0x70 [ 301.005176] ? __switch_to_asm+0x40/0x70 [ 301.009223] ? __switch_to_asm+0x34/0x70 [ 301.013273] ? __switch_to_asm+0x34/0x70 [ 301.017340] ? __switch_to_asm+0x40/0x70 [ 301.021391] ? __switch_to_asm+0x34/0x70 [ 301.025445] bpf_clone_redirect+0xb9/0x490 [ 301.029671] ? __schedule+0x874/0x1ed0 [ 301.033549] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 301.038473] ? __sched_text_start+0x8/0x8 [ 301.042612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.047367] ? retint_kernel+0x2d/0x2d [ 301.051247] ? lock_acquire+0x1ed/0x520 [ 301.055216] ? bpf_test_run+0x32e/0x5a0 [ 301.059184] ? lock_release+0x970/0x970 [ 301.063149] ? preempt_schedule+0x4d/0x60 [ 301.067294] ? preempt_schedule_common+0x1f/0xd0 [ 301.072047] ? preempt_schedule+0x4d/0x60 [ 301.076184] ? ___preempt_schedule+0x16/0x18 [ 301.080584] ? bpf_test_run+0x1c0/0x5a0 [ 301.084549] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.088951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.094477] ? bpf_test_init.isra.9+0x70/0x100 [ 301.099052] ? bpf_prog_test_run_skb+0x634/0xb40 [ 301.103799] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.108625] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.114155] ? fput+0x130/0x1a0 [ 301.117425] ? __bpf_prog_get+0x9b/0x290 [ 301.121475] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.126326] ? bpf_prog_test_run+0x130/0x1a0 [ 301.130723] ? __x64_sys_bpf+0x3d8/0x510 [ 301.134771] ? bpf_prog_get+0x20/0x20 [ 301.138570] ? do_syscall_64+0x1b9/0x820 [ 301.142776] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.148169] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.153104] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.158110] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.163116] ? recalc_sigpending_tsk+0x180/0x180 [ 301.167864] ? kasan_check_write+0x14/0x20 [ 301.172096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.176931] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.182305] warn_alloc_show_mem: 1 callbacks suppressed [ 301.182314] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 301.182315] Mem-Info: [ 301.182344] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 301.182344] active_file:16 inactive_file:17 isolated_file:0 [ 301.182344] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.182344] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 301.182344] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 301.182344] free:13792 free_pcp:309 free_cma:0 [ 301.187680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.194514] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.196897] Call Trace: [ 301.229932] Node 0 [ 301.239639] dump_stack+0x1c4/0x2b4 [ 301.267479] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 301.270042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.272239] lowmem_reserve[]: 0 [ 301.276354] ? isolate_lru_page+0x22e0/0x22e0 [ 301.301821] 2819 [ 301.307003] warn_alloc.cold.119+0xb7/0x1bd [ 301.310250] 6323 [ 301.317805] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.319837] 6323 [ 301.324145] ? lock_downgrade+0x900/0x900 [ 301.331004] ? trace_hardirqs_off+0xb8/0x310 [ 301.333047] Node 0 [ 301.337178] ? trace_hardirqs_off+0xb8/0x310 [ 301.341577] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 301.343786] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.348155] lowmem_reserve[]: [ 301.375134] ? mark_held_locks+0x130/0x130 [ 301.379951] 0 [ 301.383042] ? warn_alloc+0x120/0x120 [ 301.387241] 0 [ 301.389045] ? warn_alloc+0x120/0x120 [ 301.392815] 3503 [ 301.394612] ? warn_alloc+0x120/0x120 [ 301.398385] 3503 [ 301.400442] ? mark_held_locks+0x130/0x130 [ 301.404207] Node 0 [ 301.406261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.410487] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 301.412686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.418188] lowmem_reserve[]: [ 301.446725] ? should_fail+0x22d/0xd01 [ 301.452466] 0 [ 301.455564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.459430] 0 [ 301.461225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.466287] 0 0 [ 301.468084] ? should_fail+0x22d/0xd01 [ 301.476817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.480666] Node 0 DMA: [ 301.487220] ? should_fail+0x22d/0xd01 [ 301.487236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.489886] 1*4kB [ 301.493759] ? mark_held_locks+0x130/0x130 [ 301.498849] (U) [ 301.500986] ? mark_held_locks+0x130/0x130 [ 301.506291] 0*8kB 0*16kB [ 301.510805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.515005] 1*32kB [ 301.517753] ? trace_hardirqs_off+0xb8/0x310 [ 301.523268] (U) [ 301.525488] ? kasan_check_read+0x11/0x20 [ 301.529863] 2*64kB [ 301.531827] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.535940] (U) [ 301.538165] ? trace_hardirqs_on+0x310/0x310 [ 301.542546] 1*128kB (U) [ 301.544519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.548888] 1*256kB (U) [ 301.551551] ? wq_watchdog_touch+0x9c/0xfe [ 301.557053] 0*512kB [ 301.559711] ? io_serial_in+0x11/0x90 [ 301.563912] 1*1024kB [ 301.566221] ? retint_kernel+0x2d/0x2d [ 301.569993] (U) [ 301.572399] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.576254] 1*2048kB [ 301.578215] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.583113] (M) 3*4096kB [ 301.585515] ? trace_hardirqs_off+0x310/0x310 [ 301.590247] (M) [ 301.592992] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.597455] = 15908kB [ 301.599592] __alloc_pages_nodemask+0xa80/0xde0 [ 301.604661] Node 0 [ 301.607059] ? should_fail+0x22d/0xd01 [ 301.611688] DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 301.611741] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) [ 301.613999] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.617854] 0*128kB 0*256kB [ 301.633373] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.642525] 0*512kB [ 301.647525] ? lock_downgrade+0x900/0x900 [ 301.650513] 1*1024kB [ 301.655165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.657458] (H) [ 301.661590] cache_grow_begin+0x91/0x8c0 [ 301.663963] 0*2048kB 0*4096kB [ 301.669618] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.671573] = 14012kB [ 301.671582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.671587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.671590] 4986 total pagecache pages [ 301.671594] 0 pages in swap cache [ 301.671599] Swap cache stats: add 0, delete 0, find 0/0 [ 301.671602] Free swap = 0kB [ 301.671604] Total swap = 0kB [ 301.671607] 1965979 pages RAM [ 301.671610] 0 pages HighMem/MovableOnly [ 301.671612] 342307 pages reserved [ 301.671614] 0 pages cma reserved [ 301.671673] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.671729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.671732] syz-executor4 cpuset=syz4 mems_allowed=0 [ 301.759558] fallback_alloc+0x203/0x2e0 [ 301.763526] ____cache_alloc_node+0x1c7/0x1e0 [ 301.768015] kmem_cache_alloc_node+0xe3/0x730 [ 301.772504] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.776732] __alloc_skb+0x119/0x770 [ 301.780440] ? skb_scrub_packet+0x490/0x490 [ 301.784756] ? lock_downgrade+0x900/0x900 [ 301.788899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.794427] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.799870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.805309] ? addrconf_rs_timer+0x690/0x690 [ 301.809713] ndisc_alloc_skb+0x144/0x340 [ 301.813772] ndisc_send_rs+0x331/0x6e0 [ 301.817653] addrconf_rs_timer+0x314/0x690 [ 301.821884] ? lock_release+0x970/0x970 [ 301.825849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.830083] call_timer_fn+0x272/0x920 [ 301.833961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.838189] ? process_timeout+0x40/0x40 [ 301.842247] ? kasan_check_read+0x11/0x20 [ 301.846404] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.850804] ? trace_hardirqs_on+0x310/0x310 [ 301.855659] ? __run_timers+0x7da/0xc70 [ 301.859904] ? lock_downgrade+0x900/0x900 [ 301.864044] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.869138] ? trace_hardirqs_on+0xbd/0x310 [ 301.873449] ? kasan_check_read+0x11/0x20 [ 301.878255] ? __run_timers+0x7da/0xc70 [ 301.883686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.889158] ? kasan_check_write+0x14/0x20 [ 301.893386] ? do_raw_spin_lock+0xc1/0x200 [ 301.897613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.901837] __run_timers+0x7e5/0xc70 [ 301.905634] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.910986] ? compat_start_thread+0x80/0x80 [ 301.915767] ? dequeue_entity+0x1770/0x1770 [ 301.920080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.925611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.931138] ? kasan_check_write+0x14/0x20 [ 301.935365] ? finish_task_switch+0x2f5/0x900 [ 301.939852] ? __switch_to_asm+0x40/0x70 [ 301.943907] ? preempt_notifier_register+0x200/0x200 [ 301.948997] ? __switch_to_asm+0x34/0x70 [ 301.953049] ? __switch_to_asm+0x40/0x70 [ 301.957101] ? __switch_to_asm+0x34/0x70 [ 301.961150] ? __switch_to_asm+0x40/0x70 [ 301.965214] ? __switch_to_asm+0x34/0x70 [ 301.969268] ? __switch_to_asm+0x40/0x70 [ 301.973323] ? pvclock_read_flags+0x160/0x160 [ 301.977808] ? __schedule+0x874/0x1ed0 [ 301.981688] ? run_rebalance_domains+0x38d/0x500 [ 301.986447] ? trace_hardirqs_on+0xbd/0x310 [ 301.990776] ? kvm_sched_clock_read+0x9/0x20 [ 301.995784] ? run_ksoftirqd+0x94/0x100 [ 302.001736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.007267] ? check_preemption_disabled+0x48/0x200 [ 302.012273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.017803] run_timer_softirq+0x52/0xb0 [ 302.021855] ? __this_cpu_preempt_check+0x1c/0x1f [ 302.026692] __do_softirq+0x30b/0xad8 [ 302.030491] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.035675] ? trace_hardirqs_off+0xb8/0x310 [ 302.040081] ? schedule+0x108/0x460 [ 302.043700] ? __schedule+0x1ed0/0x1ed0 [ 302.047668] ? run_ksoftirqd+0x99/0x100 [ 302.051636] ? trace_hardirqs_off+0xb8/0x310 [ 302.056035] ? ___might_sleep+0x1ed/0x300 [ 302.060201] ? smpboot_thread_fn+0x68b/0xa00 [ 302.064602] ? trace_hardirqs_on+0x310/0x310 [ 302.069004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.074536] ? check_preemption_disabled+0x48/0x200 [ 302.079547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.085552] ? takeover_tasklets+0xa90/0xa90 [ 302.089955] run_ksoftirqd+0x94/0x100 [ 302.093746] smpboot_thread_fn+0x68b/0xa00 [ 302.097971] ? sort_range+0x30/0x30 [ 302.101597] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.107109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.112637] ? __kthread_parkme+0xfb/0x1a0 [ 302.116863] kthread+0x35a/0x420 [ 302.120223] ? sort_range+0x30/0x30 [ 302.123837] ? kthread_bind+0x40/0x40 [ 302.127629] ret_from_fork+0x3a/0x50 [ 302.131763] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 302.131812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.139031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.145566] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.154830] Call Trace: [ 302.165117] ksoftirqd/1 cpuset= [ 302.167676] [ 302.167678] / mems_allowed=0 [ 302.170951] dump_stack+0x1c4/0x2b4 [ 302.179677] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.184867] warn_alloc.cold.119+0xb7/0x1bd [ 302.189287] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.194139] ? lock_downgrade+0x900/0x900 [ 302.198282] ? trace_hardirqs_off+0xb8/0x310 [ 302.202682] ? trace_hardirqs_off+0xb8/0x310 [ 302.207094] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.211939] ? warn_alloc+0x120/0x120 [ 302.215735] ? warn_alloc+0x120/0x120 [ 302.219527] ? warn_alloc+0x120/0x120 [ 302.223314] ? lock_release+0x970/0x970 [ 302.228045] ? idle_cpu+0x1d0/0x1d0 [ 302.231666] ? kvm_sched_clock_read+0x9/0x20 [ 302.236064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.241590] ? should_fail+0x22d/0xd01 [ 302.245471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.250564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.256092] ? should_fail+0x22d/0xd01 [ 302.259975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.265069] ? should_fail+0x22d/0xd01 [ 302.268947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.274042] ? mark_held_locks+0x130/0x130 [ 302.278677] ? mark_held_locks+0x130/0x130 [ 302.282902] ? select_task_rq_fair+0x754/0x3500 [ 302.287560] ? lock_downgrade+0x900/0x900 [ 302.291697] ? __cpu_to_node+0x7d/0xa0 [ 302.295576] ? account_entity_enqueue+0x3a3/0x660 [ 302.300412] ? mark_held_locks+0x130/0x130 [ 302.304643] __alloc_pages_nodemask+0xa80/0xde0 [ 302.309304] ? should_fail+0x22d/0xd01 [ 302.313189] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.318206] ? debug_object_activate+0x402/0x600 [ 302.322961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.327617] ? lock_downgrade+0x900/0x900 [ 302.331761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.337291] cache_grow_begin+0x91/0x8c0 [ 302.341343] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.345745] fallback_alloc+0x203/0x2e0 [ 302.349712] ____cache_alloc_node+0x1c7/0x1e0 [ 302.354202] kmem_cache_alloc_node+0xe3/0x730 [ 302.358697] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.363094] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 302.367667] __alloc_skb+0x119/0x770 [ 302.371374] ? skb_scrub_packet+0x490/0x490 [ 302.375683] ? atomic_notifier_call_chain+0xc6/0x190 [ 302.380778] ? lock_downgrade+0x900/0x900 [ 302.384921] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.390725] ? lock_release+0x970/0x970 [ 302.394698] ? do_raw_write_trylock+0x1c0/0x1c0 [ 302.399362] __neigh_notify+0x8c/0x160 [ 302.403239] ? __neigh_event_send+0x1390/0x1390 [ 302.407903] neigh_timer_handler+0x6cb/0xdf0 [ 302.412303] ? neigh_invalidate+0x550/0x550 [ 302.416619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.420853] call_timer_fn+0x272/0x920 [ 302.424728] ? neigh_invalidate+0x550/0x550 [ 302.429038] ? process_timeout+0x40/0x40 [ 302.433087] ? trace_hardirqs_off+0xb8/0x310 [ 302.437487] ? kasan_check_read+0x11/0x20 [ 302.441624] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.446022] ? trace_hardirqs_on+0x310/0x310 [ 302.450424] ? __run_timers+0x7da/0xc70 [ 302.454392] ? lock_downgrade+0x900/0x900 [ 302.458531] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.463620] ? trace_hardirqs_on+0xbd/0x310 [ 302.467939] ? kasan_check_read+0x11/0x20 [ 302.472077] ? __run_timers+0x7da/0xc70 [ 302.476040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.481485] ? kasan_check_write+0x14/0x20 [ 302.485707] ? do_raw_spin_lock+0xc1/0x200 [ 302.489934] ? neigh_invalidate+0x550/0x550 [ 302.494248] __run_timers+0x7e5/0xc70 [ 302.498049] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.503402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.508412] ? timerqueue_add+0x207/0x2b0 [ 302.512552] ? enqueue_hrtimer+0x1a5/0x560 [ 302.516774] ? lock_release+0x970/0x970 [ 302.520735] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.525920] ? kasan_check_write+0x14/0x20 [ 302.530146] ? pvclock_read_flags+0x160/0x160 [ 302.534642] ? lock_downgrade+0x900/0x900 [ 302.538778] ? trace_hardirqs_on+0xbd/0x310 [ 302.543088] ? kvm_sched_clock_read+0x9/0x20 [ 302.547485] ? irq_exit+0x17f/0x1c0 [ 302.551105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.556632] ? check_preemption_disabled+0x48/0x200 [ 302.561641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.567181] run_timer_softirq+0x52/0xb0 [ 302.571231] ? __this_cpu_preempt_check+0x1c/0x1f [ 302.576062] __do_softirq+0x30b/0xad8 [ 302.579859] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.584953] ? pvclock_read_flags+0x160/0x160 [ 302.589440] ? lapic_next_event+0x5a/0x90 [ 302.593576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.599109] ? clockevents_program_event+0x140/0x370 [ 302.604204] ? kvm_clock_read+0x18/0x30 [ 302.608178] ? kvm_sched_clock_read+0x9/0x20 [ 302.612576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.618101] ? check_preemption_disabled+0x48/0x200 [ 302.623114] irq_exit+0x17f/0x1c0 [ 302.626577] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.631407] ? smp_reschedule_interrupt+0x109/0x650 [ 302.636413] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.642284] ? interrupt_entry+0xb5/0xf0 [ 302.646337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.651343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.656351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.661187] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.666196] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.671200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.676727] ? check_preemption_disabled+0x48/0x200 [ 302.681740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.686581] apic_timer_interrupt+0xf/0x20 [ 302.690801] [ 302.693030] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 302.698057] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 302.716949] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.724779] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 302.732035] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 302.739295] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 302.746551] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 302.753808] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 302.761083] ? trace_hardirqs_on+0xb4/0x310 [ 302.765399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.770932] skb_clone+0x1bb/0x500 [ 302.774463] ? finish_task_switch+0x2f5/0x900 [ 302.778948] ? skb_split+0x11e0/0x11e0 [ 302.782830] ? preempt_notifier_register+0x200/0x200 [ 302.787923] ? __switch_to_asm+0x34/0x70 [ 302.791972] ? __switch_to_asm+0x34/0x70 [ 302.796021] ? __switch_to_asm+0x40/0x70 [ 302.800073] ? __switch_to_asm+0x34/0x70 [ 302.804122] ? __switch_to_asm+0x40/0x70 [ 302.808183] ? __switch_to_asm+0x34/0x70 [ 302.812233] ? __switch_to_asm+0x40/0x70 [ 302.816286] ? __switch_to_asm+0x34/0x70 [ 302.820338] ? __switch_to_asm+0x34/0x70 [ 302.824389] ? __switch_to_asm+0x40/0x70 [ 302.828441] ? __switch_to_asm+0x34/0x70 [ 302.832497] bpf_clone_redirect+0xb9/0x490 [ 302.836726] ? __schedule+0x874/0x1ed0 [ 302.840604] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 302.845523] ? __sched_text_start+0x8/0x8 [ 302.849664] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.854414] ? retint_kernel+0x2d/0x2d [ 302.859252] ? lock_acquire+0x1ed/0x520 [ 302.863217] ? bpf_test_run+0x32e/0x5a0 [ 302.867185] ? lock_release+0x970/0x970 [ 302.871160] ? preempt_schedule+0x4d/0x60 [ 302.875302] ? preempt_schedule_common+0x1f/0xd0 [ 302.880048] ? preempt_schedule+0x4d/0x60 [ 302.884203] ? ___preempt_schedule+0x16/0x18 [ 302.888602] ? bpf_test_run+0x1c0/0x5a0 [ 302.892583] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.896980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.902504] ? bpf_test_init.isra.9+0x70/0x100 [ 302.907076] ? bpf_prog_test_run_skb+0x634/0xb40 [ 302.911824] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.916669] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.922195] ? fput+0x130/0x1a0 [ 302.925467] ? __bpf_prog_get+0x9b/0x290 [ 302.929518] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.934348] ? bpf_prog_test_run+0x130/0x1a0 [ 302.938752] ? __x64_sys_bpf+0x3d8/0x510 [ 302.942805] ? bpf_prog_get+0x20/0x20 [ 302.946604] ? do_syscall_64+0x1b9/0x820 [ 302.950653] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.956006] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.960928] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.965938] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.970946] ? recalc_sigpending_tsk+0x180/0x180 [ 302.975693] ? kasan_check_write+0x14/0x20 [ 302.979924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.984759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.990129] warn_alloc_show_mem: 1 callbacks suppressed [ 302.990139] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 302.990146] Mem-Info: [ 302.995500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.002337] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 303.002337] active_file:16 inactive_file:17 isolated_file:0 [ 303.002337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.002337] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 303.002337] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 303.002337] free:13792 free_pcp:309 free_cma:0 [ 303.004703] Call Trace: [ 303.014087] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.047561] dump_stack+0x1c4/0x2b4 [ 303.050119] Node 0 [ 303.077949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.081563] 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 [ 303.083764] ? isolate_lru_page+0x22e0/0x22e0 [ 303.088917] lowmem_reserve[]: [ 303.114904] warn_alloc.cold.119+0xb7/0x1bd [ 303.119378] 0 [ 303.122475] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.127180] 2819 6323 [ 303.128988] ? lock_downgrade+0x900/0x900 [ 303.133793] 6323 [ 303.136282] ? trace_hardirqs_off+0xb8/0x310 [ 303.140485] Node 0 [ 303.142533] ? trace_hardirqs_off+0xb8/0x310 [ 303.146933] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 303.149142] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.153526] lowmem_reserve[]: [ 303.184246] ? mark_held_locks+0x130/0x130 [ 303.189050] 0 [ 303.192143] ? warn_alloc+0x120/0x120 [ 303.196342] 0 [ 303.198133] ? warn_alloc+0x120/0x120 [ 303.201901] 3503 [ 303.203692] ? warn_alloc+0x120/0x120 [ 303.207455] 3503 [ 303.209509] ? mark_held_locks+0x130/0x130 [ 303.213276] Node 0 [ 303.215329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.219552] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 303.221754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.227257] lowmem_reserve[]: [ 303.256114] ? should_fail+0x22d/0xd01 [ 303.261616] 0 0 [ 303.264717] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.268572] 0 [ 303.270529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.270544] ? should_fail+0x22d/0xd01 [ 303.275627] 0 [ 303.277415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.282927] Node 0 [ 303.286795] ? should_fail+0x22d/0xd01 [ 303.288565] DMA: [ 303.294109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.296321] 1*4kB [ 303.300189] ? mark_held_locks+0x130/0x130 [ 303.302224] (U) [ 303.309005] ? mark_held_locks+0x130/0x130 [ 303.311130] 0*8kB [ 303.315624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.317568] 0*16kB [ 303.321787] ? trace_hardirqs_off+0xb8/0x310 [ 303.323904] 1*32kB [ 303.329920] ? kasan_check_read+0x11/0x20 [ 303.332129] (U) [ 303.336520] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.338720] 2*64kB (U) [ 303.342855] ? trace_hardirqs_on+0x310/0x310 [ 303.344802] 1*128kB [ 303.349195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.351747] (U) [ 303.356614] ? wq_watchdog_touch+0x9c/0xfe [ 303.358921] 1*256kB [ 303.364440] ? io_serial_in+0x11/0x90 [ 303.366382] (U) [ 303.370600] ? retint_kernel+0x2d/0x2d [ 303.372892] 0*512kB [ 303.376675] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.378622] 1*1024kB [ 303.382495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.384788] (U) [ 303.389703] ? trace_hardirqs_off+0x310/0x310 [ 303.392086] 1*2048kB [ 303.396825] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.398770] (M) [ 303.403253] __alloc_pages_nodemask+0xa80/0xde0 [ 303.405627] 3*4096kB [ 303.410709] ? should_fail+0x22d/0xd01 [ 303.412651] (M) [ 303.417305] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.419684] = 15908kB [ 303.423570] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.425506] Node 0 [ 303.430507] ? lock_downgrade+0x900/0x900 [ 303.432882] DMA32: [ 303.437536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.439742] 6*4kB [ 303.443872] cache_grow_begin+0x91/0x8c0 [ 303.446085] (UME) [ 303.452769] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.454886] 2*8kB [ 303.458927] fallback_alloc+0x203/0x2e0 [ 303.461048] (UE) [ 303.465443] ____cache_alloc_node+0x1c7/0x1e0 [ 303.467559] 4*16kB [ 303.471629] kmem_cache_alloc_node+0xe3/0x730 [ 303.473658] (UME) [ 303.478142] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.480341] 4*32kB (UME) [ 303.484830] __alloc_skb+0x119/0x770 [ 303.486950] 5*64kB [ 303.491173] ? skb_scrub_packet+0x490/0x490 [ 303.493899] (ME) [ 303.497602] ? lock_downgrade+0x900/0x900 [ 303.499803] 5*128kB [ 303.504112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.506144] (UME) [ 303.510274] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.512558] 4*256kB (ME) [ 303.518090] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.520209] 5*512kB [ 303.526123] ? addrconf_rs_timer+0x690/0x690 [ 303.528855] (UME) 4*1024kB [ 303.534300] ndisc_alloc_skb+0x144/0x340 [ 303.536591] (UME) [ 303.540990] ndisc_send_rs+0x331/0x6e0 [ 303.543888] 2*2048kB [ 303.547942] addrconf_rs_timer+0x314/0x690 [ 303.550052] (ME) 3*4096kB [ 303.553932] ? lock_release+0x970/0x970 [ 303.556312] (M) [ 303.561060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.563848] = 25256kB [ 303.567811] call_timer_fn+0x272/0x920 [ 303.569752] Node 0 [ 303.573972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.576356] Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 303.576407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.576413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.576416] 4986 total pagecache pages [ 303.576420] 0 pages in swap cache [ 303.576424] Swap cache stats: add 0, delete 0, find 0/0 [ 303.576439] Free swap = 0kB [ 303.576441] Total swap = 0kB [ 303.576445] 1965979 pages RAM [ 303.576447] 0 pages HighMem/MovableOnly [ 303.576450] 342307 pages reserved [ 303.576452] 0 pages cma reserved [ 303.576548] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.576551] syz-executor4 cpuset=syz4 mems_allowed=0 [ 303.668373] ? process_timeout+0x40/0x40 [ 303.672429] ? kasan_check_read+0x11/0x20 [ 303.676569] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.680973] ? trace_hardirqs_on+0x310/0x310 [ 303.685372] ? __run_timers+0x7da/0xc70 [ 303.689340] ? lock_downgrade+0x900/0x900 [ 303.693481] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.698573] ? trace_hardirqs_on+0xbd/0x310 [ 303.702889] ? kasan_check_read+0x11/0x20 [ 303.707028] ? __run_timers+0x7da/0xc70 [ 303.710999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.716438] ? kasan_check_write+0x14/0x20 [ 303.721101] ? do_raw_spin_lock+0xc1/0x200 [ 303.725328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.729554] __run_timers+0x7e5/0xc70 [ 303.733356] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.738708] ? compat_start_thread+0x80/0x80 [ 303.743104] ? dequeue_entity+0x1770/0x1770 [ 303.747416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.752949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.758476] ? kasan_check_write+0x14/0x20 [ 303.763181] ? finish_task_switch+0x2f5/0x900 [ 303.767666] ? __switch_to_asm+0x40/0x70 [ 303.775538] ? preempt_notifier_register+0x200/0x200 [ 303.780628] ? __switch_to_asm+0x34/0x70 [ 303.784677] ? __switch_to_asm+0x40/0x70 [ 303.789232] ? __switch_to_asm+0x34/0x70 [ 303.793280] ? __switch_to_asm+0x40/0x70 [ 303.797340] ? __switch_to_asm+0x34/0x70 [ 303.801390] ? __switch_to_asm+0x40/0x70 [ 303.805449] ? pvclock_read_flags+0x160/0x160 [ 303.809933] ? __schedule+0x874/0x1ed0 [ 303.813809] ? run_rebalance_domains+0x38d/0x500 [ 303.818577] ? trace_hardirqs_on+0xbd/0x310 [ 303.822890] ? kvm_sched_clock_read+0x9/0x20 [ 303.827288] ? run_ksoftirqd+0x94/0x100 [ 303.831254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.838074] ? check_preemption_disabled+0x48/0x200 [ 303.844641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.850182] run_timer_softirq+0x52/0xb0 [ 303.854234] ? __this_cpu_preempt_check+0x1c/0x1f [ 303.859089] __do_softirq+0x30b/0xad8 [ 303.862887] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.867978] ? trace_hardirqs_off+0xb8/0x310 [ 303.872378] ? schedule+0x108/0x460 [ 303.875995] ? __schedule+0x1ed0/0x1ed0 [ 303.879959] ? run_ksoftirqd+0x99/0x100 [ 303.883923] ? trace_hardirqs_off+0xb8/0x310 [ 303.888319] ? ___might_sleep+0x1ed/0x300 [ 303.892456] ? smpboot_thread_fn+0x68b/0xa00 [ 303.896863] ? trace_hardirqs_on+0x310/0x310 [ 303.901263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.906792] ? check_preemption_disabled+0x48/0x200 [ 303.911796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.917328] ? takeover_tasklets+0xa90/0xa90 [ 303.921733] run_ksoftirqd+0x94/0x100 [ 303.925526] smpboot_thread_fn+0x68b/0xa00 [ 303.929752] ? sort_range+0x30/0x30 [ 303.933368] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.938466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.943993] ? __kthread_parkme+0xfb/0x1a0 [ 303.948259] kthread+0x35a/0x420 [ 303.951663] ? sort_range+0x30/0x30 [ 303.955315] ? kthread_bind+0x40/0x40 [ 303.959117] ret_from_fork+0x3a/0x50 [ 303.963270] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 303.963319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.970539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.970542] Call Trace: [ 303.970547] [ 303.970564] dump_stack+0x1c4/0x2b4 [ 303.970580] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.977090] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.986396] warn_alloc.cold.119+0xb7/0x1bd [ 303.988950] ksoftirqd/1 cpuset= [ 303.991085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.994681] / [ 303.999870] ? lock_downgrade+0x900/0x900 [ 304.010151] mems_allowed=0 [ 304.014568] ? trace_hardirqs_off+0xb8/0x310 [ 304.036075] ? trace_hardirqs_off+0xb8/0x310 [ 304.040477] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.045324] ? warn_alloc+0x120/0x120 [ 304.049153] ? warn_alloc+0x120/0x120 [ 304.052944] ? warn_alloc+0x120/0x120 [ 304.056732] ? lock_release+0x970/0x970 [ 304.060696] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.065875] ? trace_hardirqs_on+0x310/0x310 [ 304.070276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.075806] ? should_fail+0x22d/0xd01 [ 304.079686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.084781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.090309] ? should_fail+0x22d/0xd01 [ 304.094189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.099279] ? should_fail+0x22d/0xd01 [ 304.103158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.108701] ? mark_held_locks+0x130/0x130 [ 304.112930] ? mark_held_locks+0x130/0x130 [ 304.117154] ? kvm_clock_read+0x18/0x30 [ 304.121119] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.126125] ? mark_held_locks+0x130/0x130 [ 304.130355] ? kasan_check_read+0x11/0x20 [ 304.134494] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.139758] ? rcu_bh_qs+0xc0/0xc0 [ 304.143291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.148820] ? check_preemption_disabled+0x48/0x200 [ 304.153830] __alloc_pages_nodemask+0xa80/0xde0 [ 304.158491] ? should_fail+0x22d/0xd01 [ 304.162370] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.167389] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.172054] ? lock_downgrade+0x900/0x900 [ 304.176193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.181723] cache_grow_begin+0x91/0x8c0 [ 304.185776] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.190176] fallback_alloc+0x203/0x2e0 [ 304.194144] ____cache_alloc_node+0x1c7/0x1e0 [ 304.198633] kmem_cache_alloc_node+0xe3/0x730 [ 304.203118] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.207358] __alloc_skb+0x119/0x770 [ 304.211067] ? skb_scrub_packet+0x490/0x490 [ 304.215377] ? lock_downgrade+0x900/0x900 [ 304.219516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.225045] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.231272] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.236710] ? addrconf_rs_timer+0x690/0x690 [ 304.241125] ndisc_alloc_skb+0x144/0x340 [ 304.245179] ndisc_send_rs+0x331/0x6e0 [ 304.249066] addrconf_rs_timer+0x314/0x690 [ 304.253289] ? neigh_invalidate+0x550/0x550 [ 304.257603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.261834] call_timer_fn+0x272/0x920 [ 304.265709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.269935] ? process_timeout+0x40/0x40 [ 304.274507] ? trace_hardirqs_off+0xb8/0x310 [ 304.278905] ? kasan_check_read+0x11/0x20 [ 304.283064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.287467] ? trace_hardirqs_on+0x310/0x310 [ 304.291888] ? __run_timers+0x7da/0xc70 [ 304.295873] ? lock_downgrade+0x900/0x900 [ 304.300019] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.305131] ? trace_hardirqs_on+0xbd/0x310 [ 304.309441] ? kasan_check_read+0x11/0x20 [ 304.313577] ? __run_timers+0x7da/0xc70 [ 304.317550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.323014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.328550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.332785] __run_timers+0x7e5/0xc70 [ 304.336587] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.341943] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.346954] ? timerqueue_add+0x207/0x2b0 [ 304.351091] ? enqueue_hrtimer+0x1a5/0x560 [ 304.355316] ? lock_release+0x970/0x970 [ 304.359283] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.364464] ? kasan_check_write+0x14/0x20 [ 304.368694] ? pvclock_read_flags+0x160/0x160 [ 304.373184] ? lock_downgrade+0x900/0x900 [ 304.377330] ? trace_hardirqs_on+0xbd/0x310 [ 304.381641] ? kvm_sched_clock_read+0x9/0x20 [ 304.386042] ? irq_exit+0x17f/0x1c0 [ 304.389697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.395229] ? check_preemption_disabled+0x48/0x200 [ 304.400236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.405765] run_timer_softirq+0x52/0xb0 [ 304.409819] ? __this_cpu_preempt_check+0x1c/0x1f [ 304.414651] __do_softirq+0x30b/0xad8 [ 304.418450] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.423544] ? pvclock_read_flags+0x160/0x160 [ 304.428039] ? lapic_next_event+0x5a/0x90 [ 304.432175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.437700] ? clockevents_program_event+0x140/0x370 [ 304.442796] ? kvm_clock_read+0x18/0x30 [ 304.446759] ? kvm_sched_clock_read+0x9/0x20 [ 304.452045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.457573] ? check_preemption_disabled+0x48/0x200 [ 304.462584] irq_exit+0x17f/0x1c0 [ 304.466033] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.473180] ? smp_reschedule_interrupt+0x109/0x650 [ 304.478352] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.484238] ? interrupt_entry+0xb5/0xf0 [ 304.488297] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.493300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.498310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.503143] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.508152] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.513158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.518687] ? check_preemption_disabled+0x48/0x200 [ 304.523697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.528533] apic_timer_interrupt+0xf/0x20 [ 304.532750] [ 304.534988] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 304.539911] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 304.558818] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.567822] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 304.575078] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 304.582338] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 304.589600] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 304.596860] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 304.604134] ? trace_hardirqs_on+0xb4/0x310 [ 304.608449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.613987] skb_clone+0x1bb/0x500 [ 304.617527] ? finish_task_switch+0x2f5/0x900 [ 304.622015] ? skb_split+0x11e0/0x11e0 [ 304.625893] ? preempt_notifier_register+0x200/0x200 [ 304.631103] ? __switch_to_asm+0x34/0x70 [ 304.635187] ? __switch_to_asm+0x34/0x70 [ 304.639252] ? __switch_to_asm+0x40/0x70 [ 304.643302] ? __switch_to_asm+0x34/0x70 [ 304.647354] ? __switch_to_asm+0x40/0x70 [ 304.651401] ? __switch_to_asm+0x34/0x70 [ 304.655451] ? __switch_to_asm+0x40/0x70 [ 304.659499] ? __switch_to_asm+0x34/0x70 [ 304.663547] ? __switch_to_asm+0x34/0x70 [ 304.667596] ? __switch_to_asm+0x40/0x70 [ 304.671652] ? __switch_to_asm+0x34/0x70 [ 304.675708] bpf_clone_redirect+0xb9/0x490 [ 304.679959] ? __schedule+0x874/0x1ed0 [ 304.683919] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 304.688841] ? __sched_text_start+0x8/0x8 [ 304.692990] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.697747] ? retint_kernel+0x2d/0x2d [ 304.701632] ? lock_acquire+0x1ed/0x520 [ 304.705595] ? bpf_test_run+0x32e/0x5a0 [ 304.709560] ? lock_release+0x970/0x970 [ 304.713525] ? preempt_schedule+0x4d/0x60 [ 304.717665] ? preempt_schedule_common+0x1f/0xd0 [ 304.722412] ? preempt_schedule+0x4d/0x60 [ 304.726551] ? ___preempt_schedule+0x16/0x18 [ 304.730952] ? bpf_test_run+0x1c0/0x5a0 [ 304.734926] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.739326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.744854] ? bpf_test_init.isra.9+0x70/0x100 [ 304.749429] ? bpf_prog_test_run_skb+0x634/0xb40 [ 304.754179] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.759019] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.764544] ? fput+0x130/0x1a0 [ 304.767811] ? __bpf_prog_get+0x9b/0x290 [ 304.771864] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.776693] ? bpf_prog_test_run+0x130/0x1a0 [ 304.781094] ? __x64_sys_bpf+0x3d8/0x510 [ 304.785144] ? bpf_prog_get+0x20/0x20 [ 304.788945] ? do_syscall_64+0x1b9/0x820 [ 304.793065] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.798414] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.803346] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.808353] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.813362] ? recalc_sigpending_tsk+0x180/0x180 [ 304.818109] ? kasan_check_write+0x14/0x20 [ 304.822335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.827172] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.832532] warn_alloc_show_mem: 1 callbacks suppressed [ 304.832541] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 304.832543] Mem-Info: [ 304.832575] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 304.832575] active_file:16 inactive_file:17 isolated_file:0 [ 304.832575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.832575] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 304.832575] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 304.832575] free:13792 free_pcp:309 free_cma:0 [ 304.837902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.844735] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.847119] Call Trace: [ 304.880145] Node 0 [ 304.889495] dump_stack+0x1c4/0x2b4 [ 304.917323] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 304.919876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.922078] lowmem_reserve[]: [ 304.925687] ? isolate_lru_page+0x22e0/0x22e0 [ 304.951157] 0 [ 304.956331] warn_alloc.cold.119+0xb7/0x1bd [ 304.959406] 2819 [ 304.963887] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.965653] 6323 6323 [ 304.970788] ? lock_downgrade+0x900/0x900 [ 304.970805] ? trace_hardirqs_off+0xb8/0x310 [ 304.977680] ? trace_hardirqs_off+0xb8/0x310 [ 304.980144] Node 0 [ 304.984788] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.989188] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 304.993567] ? mark_held_locks+0x130/0x130 [ 304.995765] lowmem_reserve[]: [ 305.000591] ? warn_alloc+0x120/0x120 [ 305.027529] 0 0 [ 305.031760] ? warn_alloc+0x120/0x120 [ 305.034832] 3503 [ 305.038614] ? warn_alloc+0x120/0x120 [ 305.040561] 3503 [ 305.044343] ? mark_held_locks+0x130/0x130 [ 305.050159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.052191] Node 0 [ 305.056409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.061934] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 305.064135] ? should_fail+0x22d/0xd01 [ 305.069637] lowmem_reserve[]: [ 305.097992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.101845] 0 [ 305.104943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.110487] 0 [ 305.112274] ? should_fail+0x22d/0xd01 [ 305.117776] 0 [ 305.119564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.123419] 0 [ 305.125205] ? should_fail+0x22d/0xd01 [ 305.132065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.135919] Node 0 DMA: [ 305.141011] ? mark_held_locks+0x130/0x130 [ 305.141025] ? mark_held_locks+0x130/0x130 [ 305.143672] 1*4kB [ 305.147890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.152098] (U) [ 305.154234] ? trace_hardirqs_off+0xb8/0x310 [ 305.159743] 0*8kB [ 305.161700] ? kasan_check_read+0x11/0x20 [ 305.166078] 0*16kB [ 305.168214] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.172326] 1*32kB (U) [ 305.174553] ? trace_hardirqs_on+0x310/0x310 [ 305.178932] 2*64kB (U) [ 305.181512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.185886] 1*128kB [ 305.188461] ? wq_watchdog_touch+0x9c/0xfe [ 305.193961] (U) 1*256kB [ 305.196280] ? io_serial_in+0x11/0x90 [ 305.200480] (U) [ 305.203139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.206911] 0*512kB [ 305.208881] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.214569] 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 305.214586] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 305.214640] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 305.214717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.214723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.214726] 4986 total pagecache pages [ 305.214729] 0 pages in swap cache [ 305.214734] Swap cache stats: add 0, delete 0, find 0/0 [ 305.214736] Free swap = 0kB [ 305.214738] Total swap = 0kB [ 305.214754] 1965979 pages RAM [ 305.214756] 0 pages HighMem/MovableOnly [ 305.214759] 342307 pages reserved [ 305.214761] 0 pages cma reserved [ 305.214818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.214868] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.214871] syz-executor4 cpuset=syz4 mems_allowed=0 [ 305.335482] __alloc_pages_nodemask+0xa80/0xde0 [ 305.340616] ? should_fail+0x22d/0xd01 [ 305.344516] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.349535] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.354193] ? lock_downgrade+0x900/0x900 [ 305.358336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.363870] cache_grow_begin+0x91/0x8c0 [ 305.367931] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.372333] fallback_alloc+0x203/0x2e0 [ 305.376788] ____cache_alloc_node+0x1c7/0x1e0 [ 305.381274] kmem_cache_alloc_node+0xe3/0x730 [ 305.385760] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.389987] __alloc_skb+0x119/0x770 [ 305.393690] ? skb_scrub_packet+0x490/0x490 [ 305.398004] ? lock_downgrade+0x900/0x900 [ 305.402463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.407990] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.413435] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.418874] ? addrconf_rs_timer+0x690/0x690 [ 305.423276] ndisc_alloc_skb+0x144/0x340 [ 305.427330] ndisc_send_rs+0x331/0x6e0 [ 305.431213] addrconf_rs_timer+0x314/0x690 [ 305.435439] ? lock_release+0x970/0x970 [ 305.439404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.443640] call_timer_fn+0x272/0x920 [ 305.447516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.455336] ? process_timeout+0x40/0x40 [ 305.459389] ? kasan_check_read+0x11/0x20 [ 305.463532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.468694] ? trace_hardirqs_on+0x310/0x310 [ 305.473097] ? __run_timers+0x7da/0xc70 [ 305.477062] ? lock_downgrade+0x900/0x900 [ 305.481209] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.486304] ? trace_hardirqs_on+0xbd/0x310 [ 305.490612] ? kasan_check_read+0x11/0x20 [ 305.494749] ? __run_timers+0x7da/0xc70 [ 305.498715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.504155] ? kasan_check_write+0x14/0x20 [ 305.508378] ? do_raw_spin_lock+0xc1/0x200 [ 305.512607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.516830] __run_timers+0x7e5/0xc70 [ 305.520627] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.525978] ? compat_start_thread+0x80/0x80 [ 305.530391] ? dequeue_entity+0x1770/0x1770 [ 305.534703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.540234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.545763] ? kasan_check_write+0x14/0x20 [ 305.549990] ? finish_task_switch+0x2f5/0x900 [ 305.554472] ? __switch_to_asm+0x40/0x70 [ 305.558525] ? preempt_notifier_register+0x200/0x200 [ 305.563617] ? __switch_to_asm+0x34/0x70 [ 305.567666] ? __switch_to_asm+0x40/0x70 [ 305.572204] ? __switch_to_asm+0x34/0x70 [ 305.576271] ? __switch_to_asm+0x40/0x70 [ 305.580318] ? __switch_to_asm+0x34/0x70 [ 305.584370] ? __switch_to_asm+0x40/0x70 [ 305.588428] ? pvclock_read_flags+0x160/0x160 [ 305.592934] ? __schedule+0x874/0x1ed0 [ 305.596813] ? run_rebalance_domains+0x38d/0x500 [ 305.601575] ? trace_hardirqs_on+0xbd/0x310 [ 305.606327] ? kvm_sched_clock_read+0x9/0x20 [ 305.610729] ? run_ksoftirqd+0x94/0x100 [ 305.614828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.620357] ? check_preemption_disabled+0x48/0x200 [ 305.625363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.631612] run_timer_softirq+0x52/0xb0 [ 305.638633] ? __this_cpu_preempt_check+0x1c/0x1f [ 305.643469] __do_softirq+0x30b/0xad8 [ 305.647265] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.652356] ? trace_hardirqs_off+0xb8/0x310 [ 305.656758] ? schedule+0x108/0x460 [ 305.660375] ? __schedule+0x1ed0/0x1ed0 [ 305.664340] ? run_ksoftirqd+0x99/0x100 [ 305.668304] ? trace_hardirqs_off+0xb8/0x310 [ 305.672703] ? ___might_sleep+0x1ed/0x300 [ 305.676842] ? smpboot_thread_fn+0x68b/0xa00 [ 305.681243] ? trace_hardirqs_on+0x310/0x310 [ 305.685642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.691678] ? check_preemption_disabled+0x48/0x200 [ 305.696685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.702217] ? takeover_tasklets+0xa90/0xa90 [ 305.706957] run_ksoftirqd+0x94/0x100 [ 305.710749] smpboot_thread_fn+0x68b/0xa00 [ 305.715116] ? sort_range+0x30/0x30 [ 305.719867] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.724985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.730516] ? __kthread_parkme+0xfb/0x1a0 [ 305.734745] kthread+0x35a/0x420 [ 305.738103] ? sort_range+0x30/0x30 [ 305.741717] ? kthread_bind+0x40/0x40 [ 305.745599] ret_from_fork+0x3a/0x50 [ 305.749312] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 305.749367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.756576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.756580] Call Trace: [ 305.756585] [ 305.756600] dump_stack+0x1c4/0x2b4 [ 305.756617] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.763498] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.772785] warn_alloc.cold.119+0xb7/0x1bd [ 305.775333] ksoftirqd/1 cpuset= [ 305.777471] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.781062] / [ 305.786240] ? lock_downgrade+0x900/0x900 [ 305.796519] mems_allowed=0 [ 305.800824] ? trace_hardirqs_off+0xb8/0x310 [ 305.822028] ? trace_hardirqs_off+0xb8/0x310 [ 305.826431] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.831275] ? warn_alloc+0x120/0x120 [ 305.835069] ? warn_alloc+0x120/0x120 [ 305.838859] ? warn_alloc+0x120/0x120 [ 305.842652] ? lock_release+0x970/0x970 [ 305.846620] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.851800] ? trace_hardirqs_on+0x310/0x310 [ 305.856200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.861728] ? should_fail+0x22d/0xd01 [ 305.865609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.870701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.876226] ? should_fail+0x22d/0xd01 [ 305.880103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.885194] ? should_fail+0x22d/0xd01 [ 305.889076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.894182] ? mark_held_locks+0x130/0x130 [ 305.898409] ? mark_held_locks+0x130/0x130 [ 305.902638] ? kvm_clock_read+0x18/0x30 [ 305.906603] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 305.911610] ? ktime_get+0x2e1/0x440 [ 305.915314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.920841] ? check_preemption_disabled+0x48/0x200 [ 305.925943] ? kasan_check_read+0x11/0x20 [ 305.930085] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.935354] ? rcu_bh_qs+0xc0/0xc0 [ 305.938895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.944425] ? check_preemption_disabled+0x48/0x200 [ 305.949431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 305.954438] ? widen_string+0xe0/0x2e0 [ 305.958322] __alloc_pages_nodemask+0xa80/0xde0 [ 305.962981] ? should_fail+0x22d/0xd01 [ 305.966867] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.971895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.976569] ? lock_downgrade+0x900/0x900 [ 305.980707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.986232] cache_grow_begin+0x91/0x8c0 [ 305.990283] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.994688] fallback_alloc+0x203/0x2e0 [ 305.998659] ____cache_alloc_node+0x1c7/0x1e0 [ 306.003150] kmem_cache_alloc_node+0xe3/0x730 [ 306.007639] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.011877] __alloc_skb+0x119/0x770 [ 306.015587] ? skb_scrub_packet+0x490/0x490 [ 306.019902] ? lock_downgrade+0x900/0x900 [ 306.024047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.029591] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.035033] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.040476] ? addrconf_rs_timer+0x690/0x690 [ 306.044892] ndisc_alloc_skb+0x144/0x340 [ 306.048947] ndisc_send_rs+0x331/0x6e0 [ 306.052829] addrconf_rs_timer+0x314/0x690 [ 306.057058] ? neigh_invalidate+0x550/0x550 [ 306.061370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.065601] call_timer_fn+0x272/0x920 [ 306.069481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.073705] ? process_timeout+0x40/0x40 [ 306.077755] ? trace_hardirqs_off+0xb8/0x310 [ 306.082157] ? kasan_check_read+0x11/0x20 [ 306.086296] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.090697] ? trace_hardirqs_on+0x310/0x310 [ 306.095101] ? __run_timers+0x7da/0xc70 [ 306.099065] ? lock_downgrade+0x900/0x900 [ 306.103204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.108801] ? trace_hardirqs_on+0xbd/0x310 [ 306.113114] ? kasan_check_read+0x11/0x20 [ 306.117260] ? __run_timers+0x7da/0xc70 [ 306.121226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.126667] ? kasan_check_write+0x14/0x20 [ 306.130895] ? do_raw_spin_lock+0xc1/0x200 [ 306.135123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.139347] __run_timers+0x7e5/0xc70 [ 306.143147] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.148501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.153509] ? timerqueue_add+0x207/0x2b0 [ 306.157647] ? enqueue_hrtimer+0x1a5/0x560 [ 306.161878] ? lock_release+0x970/0x970 [ 306.165851] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.171035] ? kasan_check_write+0x14/0x20 [ 306.175266] ? pvclock_read_flags+0x160/0x160 [ 306.179754] ? lock_downgrade+0x900/0x900 [ 306.183896] ? trace_hardirqs_on+0xbd/0x310 [ 306.188205] ? kvm_sched_clock_read+0x9/0x20 [ 306.192602] ? irq_exit+0x17f/0x1c0 [ 306.196218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.201748] ? check_preemption_disabled+0x48/0x200 [ 306.206756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.212285] run_timer_softirq+0x52/0xb0 [ 306.216340] ? __this_cpu_preempt_check+0x1c/0x1f [ 306.221174] __do_softirq+0x30b/0xad8 [ 306.224973] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.230069] ? pvclock_read_flags+0x160/0x160 [ 306.234554] ? lapic_next_event+0x5a/0x90 [ 306.238694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.244223] ? clockevents_program_event+0x140/0x370 [ 306.249333] ? kvm_clock_read+0x18/0x30 [ 306.253295] ? kvm_sched_clock_read+0x9/0x20 [ 306.257697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.263223] ? check_preemption_disabled+0x48/0x200 [ 306.268255] irq_exit+0x17f/0x1c0 [ 306.271702] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.276920] ? smp_reschedule_interrupt+0x109/0x650 [ 306.281966] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.287848] ? interrupt_entry+0xb5/0xf0 [ 306.291904] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.296909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.301916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.306746] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.311753] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.316759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.322287] ? check_preemption_disabled+0x48/0x200 [ 306.327294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.332145] apic_timer_interrupt+0xf/0x20 [ 306.336365] [ 306.338609] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.343529] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 306.362418] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 306.370115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 306.377545] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 306.384805] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 306.392067] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 306.399329] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 306.406601] ? trace_hardirqs_on+0xb4/0x310 [ 306.410918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.416450] skb_clone+0x1bb/0x500 [ 306.419990] ? finish_task_switch+0x2f5/0x900 [ 306.424473] ? skb_split+0x11e0/0x11e0 [ 306.428350] ? preempt_notifier_register+0x200/0x200 [ 306.433445] ? __switch_to_asm+0x34/0x70 [ 306.437495] ? __switch_to_asm+0x34/0x70 [ 306.441544] ? __switch_to_asm+0x40/0x70 [ 306.445594] ? __switch_to_asm+0x34/0x70 [ 306.452351] ? __switch_to_asm+0x40/0x70 [ 306.456405] ? __switch_to_asm+0x34/0x70 [ 306.460459] ? __switch_to_asm+0x40/0x70 [ 306.464508] ? __switch_to_asm+0x34/0x70 [ 306.469074] ? __switch_to_asm+0x34/0x70 [ 306.473119] ? __switch_to_asm+0x40/0x70 [ 306.477168] ? __switch_to_asm+0x34/0x70 [ 306.481229] bpf_clone_redirect+0xb9/0x490 [ 306.485457] ? __schedule+0x874/0x1ed0 [ 306.489338] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 306.494262] ? __sched_text_start+0x8/0x8 [ 306.498402] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.503150] ? retint_kernel+0x2d/0x2d [ 306.507035] ? lock_acquire+0x1ed/0x520 [ 306.510995] ? bpf_test_run+0x32e/0x5a0 [ 306.514961] ? lock_release+0x970/0x970 [ 306.518925] ? preempt_schedule+0x4d/0x60 [ 306.523062] ? preempt_schedule_common+0x1f/0xd0 [ 306.527809] ? preempt_schedule+0x4d/0x60 [ 306.531962] ? ___preempt_schedule+0x16/0x18 [ 306.536363] ? bpf_test_run+0x1c0/0x5a0 [ 306.540330] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.544732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.550260] ? bpf_test_init.isra.9+0x70/0x100 [ 306.554841] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.559588] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.564423] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.569948] ? fput+0x130/0x1a0 [ 306.573218] ? __bpf_prog_get+0x9b/0x290 [ 306.577272] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.582101] ? bpf_prog_test_run+0x130/0x1a0 [ 306.586514] ? __x64_sys_bpf+0x3d8/0x510 [ 306.590564] ? bpf_prog_get+0x20/0x20 [ 306.594366] ? do_syscall_64+0x1b9/0x820 [ 306.598416] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.603775] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.608695] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.613704] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.618708] ? recalc_sigpending_tsk+0x180/0x180 [ 306.623454] ? kasan_check_write+0x14/0x20 [ 306.627699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.632555] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.637916] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 306.637921] warn_alloc_show_mem: 1 callbacks suppressed [ 306.637927] Mem-Info: [ 306.647549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.652908] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 306.652908] active_file:16 inactive_file:17 isolated_file:0 [ 306.652908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.652908] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 306.652908] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 306.652908] free:13792 free_pcp:309 free_cma:0 [ 306.655765] Call Trace: [ 306.665144] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.698165] dump_stack+0x1c4/0x2b4 [ 306.700717] Node 0 [ 306.729060] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.732677] 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 [ 306.734881] ? isolate_lru_page+0x22e0/0x22e0 [ 306.740032] lowmem_reserve[]: 0 [ 306.765526] warn_alloc.cold.119+0xb7/0x1bd [ 306.769985] 2819 [ 306.773248] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.777535] 6323 [ 306.779582] ? lock_downgrade+0x900/0x900 [ 306.784389] 6323 [ 306.786891] ? trace_hardirqs_off+0xb8/0x310 [ 306.793050] ? trace_hardirqs_off+0xb8/0x310 [ 306.797428] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 306.801846] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.801869] ? mark_held_locks+0x130/0x130 [ 306.829408] lowmem_reserve[]: 0 [ 306.834705] ? warn_alloc+0x120/0x120 [ 306.838905] 0 [ 306.842166] ? warn_alloc+0x120/0x120 [ 306.845938] 3503 [ 306.847727] ? warn_alloc+0x120/0x120 [ 306.851498] 3503 [ 306.853543] ? mark_held_locks+0x130/0x130 [ 306.859367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.863568] Node 0 [ 306.869085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.869107] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 306.869112] lowmem_reserve[]: [ 306.871337] ? should_fail+0x22d/0xd01 [ 306.876984] 0 [ 306.906649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.909722] 0 [ 306.913594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.915363] 0 [ 306.920452] ? should_fail+0x22d/0xd01 [ 306.922222] 0 [ 306.927744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.933380] ? should_fail+0x22d/0xd01 [ 306.935155] Node 0 [ 306.940254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.944107] DMA: [ 306.946331] ? mark_held_locks+0x130/0x130 [ 306.951404] 1*4kB [ 306.953462] ? mark_held_locks+0x130/0x130 [ 306.957664] (U) [ 306.959804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.964008] 0*8kB [ 306.965971] ? trace_hardirqs_off+0xb8/0x310 [ 306.971477] 0*16kB [ 306.973611] ? kasan_check_read+0x11/0x20 [ 306.977987] 1*32kB [ 306.980213] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.984328] (U) [ 306.986551] ? trace_hardirqs_on+0x310/0x310 [ 306.990927] 2*64kB (U) [ 306.992897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.997272] 1*128kB [ 306.999838] ? wq_watchdog_touch+0x9c/0xfe [ 307.005339] (U) 1*256kB [ 307.007661] ? io_serial_in+0x11/0x90 [ 307.011859] (U) [ 307.014517] ? retint_kernel+0x2d/0x2d [ 307.018287] 0*512kB [ 307.020250] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.024104] 1*1024kB [ 307.026413] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.031419] (U) [ 307.033822] ? trace_hardirqs_off+0x310/0x310 [ 307.038548] 1*2048kB [ 307.040511] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.044967] (M) 3*4096kB (M) = 15908kB [ 307.044978] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 307.045043] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 307.045094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.045111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.045114] 4986 total pagecache pages [ 307.045118] 0 pages in swap cache [ 307.045123] Swap cache stats: add 0, delete 0, find 0/0 [ 307.045125] Free swap = 0kB [ 307.045128] Total swap = 0kB [ 307.045131] 1965979 pages RAM [ 307.045134] 0 pages HighMem/MovableOnly [ 307.045136] 342307 pages reserved [ 307.045138] 0 pages cma reserved [ 307.045216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.047607] __alloc_pages_nodemask+0xa80/0xde0 [ 307.052744] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.056558] ? should_fail+0x22d/0xd01 [ 307.072654] syz-executor4 cpuset= [ 307.087855] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.096656] syz4 [ 307.105244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.109105] mems_allowed=0 [ 307.112554] ? lock_downgrade+0x900/0x900 [ 307.185832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.191363] cache_grow_begin+0x91/0x8c0 [ 307.195419] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.200291] fallback_alloc+0x203/0x2e0 [ 307.204271] ____cache_alloc_node+0x1c7/0x1e0 [ 307.208768] kmem_cache_alloc_node+0xe3/0x730 [ 307.213261] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.217493] __alloc_skb+0x119/0x770 [ 307.221202] ? skb_scrub_packet+0x490/0x490 [ 307.225515] ? lock_downgrade+0x900/0x900 [ 307.229656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.235198] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.240644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.246598] ? addrconf_rs_timer+0x690/0x690 [ 307.251004] ndisc_alloc_skb+0x144/0x340 [ 307.255058] ndisc_send_rs+0x331/0x6e0 [ 307.258942] addrconf_rs_timer+0x314/0x690 [ 307.263166] ? lock_release+0x970/0x970 [ 307.267133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.271362] call_timer_fn+0x272/0x920 [ 307.275241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.279468] ? process_timeout+0x40/0x40 [ 307.283517] ? kasan_check_read+0x11/0x20 [ 307.287655] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.292055] ? trace_hardirqs_on+0x310/0x310 [ 307.296460] ? __run_timers+0x7da/0xc70 [ 307.300427] ? lock_downgrade+0x900/0x900 [ 307.304566] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.309663] ? trace_hardirqs_on+0xbd/0x310 [ 307.313970] ? kasan_check_read+0x11/0x20 [ 307.318109] ? __run_timers+0x7da/0xc70 [ 307.322076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.327517] ? kasan_check_write+0x14/0x20 [ 307.331760] ? do_raw_spin_lock+0xc1/0x200 [ 307.335987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.341313] __run_timers+0x7e5/0xc70 [ 307.345582] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.350936] ? compat_start_thread+0x80/0x80 [ 307.355337] ? dequeue_entity+0x1770/0x1770 [ 307.360140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.365667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.371196] ? kasan_check_write+0x14/0x20 [ 307.375422] ? finish_task_switch+0x2f5/0x900 [ 307.379905] ? __switch_to_asm+0x40/0x70 [ 307.383963] ? preempt_notifier_register+0x200/0x200 [ 307.389521] ? __switch_to_asm+0x34/0x70 [ 307.393570] ? __switch_to_asm+0x40/0x70 [ 307.397621] ? __switch_to_asm+0x34/0x70 [ 307.401670] ? __switch_to_asm+0x40/0x70 [ 307.405717] ? __switch_to_asm+0x34/0x70 [ 307.409777] ? __switch_to_asm+0x40/0x70 [ 307.413837] ? pvclock_read_flags+0x160/0x160 [ 307.418326] ? __schedule+0x874/0x1ed0 [ 307.422703] ? run_rebalance_domains+0x38d/0x500 [ 307.427457] ? trace_hardirqs_on+0xbd/0x310 [ 307.432203] ? kvm_sched_clock_read+0x9/0x20 [ 307.438791] ? run_ksoftirqd+0x94/0x100 [ 307.443564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.453075] ? check_preemption_disabled+0x48/0x200 [ 307.458093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.463623] run_timer_softirq+0x52/0xb0 [ 307.469568] ? __this_cpu_preempt_check+0x1c/0x1f [ 307.474406] __do_softirq+0x30b/0xad8 [ 307.478203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.483297] ? trace_hardirqs_off+0xb8/0x310 [ 307.489535] ? schedule+0x108/0x460 [ 307.493158] ? __schedule+0x1ed0/0x1ed0 [ 307.497125] ? run_ksoftirqd+0x99/0x100 [ 307.501570] ? trace_hardirqs_off+0xb8/0x310 [ 307.507132] ? ___might_sleep+0x1ed/0x300 [ 307.511282] ? smpboot_thread_fn+0x68b/0xa00 [ 307.515682] ? trace_hardirqs_on+0x310/0x310 [ 307.520083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.525615] ? check_preemption_disabled+0x48/0x200 [ 307.530623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.536153] ? takeover_tasklets+0xa90/0xa90 [ 307.540997] run_ksoftirqd+0x94/0x100 [ 307.544793] smpboot_thread_fn+0x68b/0xa00 [ 307.549020] ? sort_range+0x30/0x30 [ 307.552642] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.557743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.563275] ? __kthread_parkme+0xfb/0x1a0 [ 307.567501] kthread+0x35a/0x420 [ 307.570854] ? sort_range+0x30/0x30 [ 307.574467] ? kthread_bind+0x40/0x40 [ 307.578260] ret_from_fork+0x3a/0x50 [ 307.583655] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 307.583704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.590922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.590925] Call Trace: [ 307.590930] [ 307.590945] dump_stack+0x1c4/0x2b4 [ 307.590962] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.597473] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.607236] warn_alloc.cold.119+0xb7/0x1bd [ 307.609788] ksoftirqd/1 cpuset= [ 307.611938] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.615530] / [ 307.620712] ? lock_downgrade+0x900/0x900 [ 307.631007] mems_allowed=0 [ 307.635314] ? trace_hardirqs_off+0xb8/0x310 [ 307.656497] ? trace_hardirqs_off+0xb8/0x310 [ 307.660929] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.665780] ? warn_alloc+0x120/0x120 [ 307.669570] ? trace_hardirqs_on+0x310/0x310 [ 307.673971] ? warn_alloc+0x120/0x120 [ 307.677770] ? warn_alloc+0x120/0x120 [ 307.681565] ? ktime_get+0x2e1/0x440 [ 307.685273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.690806] ? check_preemption_disabled+0x48/0x200 [ 307.695818] ? kasan_check_read+0x11/0x20 [ 307.699959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.705505] ? should_fail+0x22d/0xd01 [ 307.709387] ? rcu_bh_qs+0xc0/0xc0 [ 307.712918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.718008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.723534] ? should_fail+0x22d/0xd01 [ 307.727413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.732546] ? should_fail+0x22d/0xd01 [ 307.736444] ? rcu_idle_enter+0x4b0/0x4b0 [ 307.740584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.745679] ? mark_held_locks+0x130/0x130 [ 307.749916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.755444] ? mark_held_locks+0x130/0x130 [ 307.759672] ? rcu_irq_exit+0xce/0x100 [ 307.763552] ? irq_exit+0xbd/0x1c0 [ 307.767084] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 307.772090] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.776492] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.782364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.787888] ? ret_from_intr+0xb/0x1e [ 307.791680] ? retint_kernel+0x2d/0x2d [ 307.795563] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.800484] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.805230] ? trace_hardirqs_off+0x310/0x310 [ 307.809824] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.814927] __alloc_pages_nodemask+0xa80/0xde0 [ 307.819587] ? should_fail+0x22d/0xd01 [ 307.823467] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.828484] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.833145] ? lock_downgrade+0x900/0x900 [ 307.837285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.842817] cache_grow_begin+0x91/0x8c0 [ 307.846868] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.851269] fallback_alloc+0x203/0x2e0 [ 307.855241] ____cache_alloc_node+0x1c7/0x1e0 [ 307.859737] kmem_cache_alloc_node+0xe3/0x730 [ 307.864227] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.868455] __alloc_skb+0x119/0x770 [ 307.872158] ? skb_scrub_packet+0x490/0x490 [ 307.876466] ? lock_downgrade+0x900/0x900 [ 307.880610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.886138] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.891581] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.897022] ? addrconf_rs_timer+0x690/0x690 [ 307.901427] ndisc_alloc_skb+0x144/0x340 [ 307.905481] ndisc_send_rs+0x331/0x6e0 [ 307.909362] addrconf_rs_timer+0x314/0x690 [ 307.913587] ? neigh_invalidate+0x550/0x550 [ 307.917904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.922135] call_timer_fn+0x272/0x920 [ 307.926011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.930238] ? process_timeout+0x40/0x40 [ 307.934293] ? trace_hardirqs_off+0xb8/0x310 [ 307.938688] ? kasan_check_read+0x11/0x20 [ 307.942840] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.947238] ? trace_hardirqs_on+0x310/0x310 [ 307.951640] ? __run_timers+0x7da/0xc70 [ 307.955602] ? lock_downgrade+0x900/0x900 [ 307.959743] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.964840] ? trace_hardirqs_on+0xbd/0x310 [ 307.969151] ? kasan_check_read+0x11/0x20 [ 307.973289] ? __run_timers+0x7da/0xc70 [ 307.977255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.982705] ? kasan_check_write+0x14/0x20 [ 307.986934] ? do_raw_spin_lock+0xc1/0x200 [ 307.991162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.995388] __run_timers+0x7e5/0xc70 [ 307.999187] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.004544] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.009551] ? timerqueue_add+0x207/0x2b0 [ 308.013720] ? enqueue_hrtimer+0x1a5/0x560 [ 308.017944] ? lock_release+0x970/0x970 [ 308.021907] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.027090] ? kasan_check_write+0x14/0x20 [ 308.031318] ? pvclock_read_flags+0x160/0x160 [ 308.035801] ? lock_downgrade+0x900/0x900 [ 308.039942] ? trace_hardirqs_on+0xbd/0x310 [ 308.044252] ? kvm_sched_clock_read+0x9/0x20 [ 308.048667] ? irq_exit+0x17f/0x1c0 [ 308.052291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.057820] ? check_preemption_disabled+0x48/0x200 [ 308.062837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.068388] run_timer_softirq+0x52/0xb0 [ 308.072456] ? __this_cpu_preempt_check+0x1c/0x1f [ 308.077297] __do_softirq+0x30b/0xad8 [ 308.081093] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.086187] ? pvclock_read_flags+0x160/0x160 [ 308.090673] ? lapic_next_event+0x5a/0x90 [ 308.094829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.100373] ? clockevents_program_event+0x140/0x370 [ 308.105946] ? kvm_clock_read+0x18/0x30 [ 308.109912] ? kvm_sched_clock_read+0x9/0x20 [ 308.114312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.119842] ? check_preemption_disabled+0x48/0x200 [ 308.124861] irq_exit+0x17f/0x1c0 [ 308.128309] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.133141] ? smp_reschedule_interrupt+0x109/0x650 [ 308.138149] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.144020] ? interrupt_entry+0xb5/0xf0 [ 308.148074] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.153079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.158087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.162918] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.167924] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.172940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.178466] ? check_preemption_disabled+0x48/0x200 [ 308.183477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.188316] apic_timer_interrupt+0xf/0x20 [ 308.192532] [ 308.194761] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 308.199688] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 308.218579] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.226277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 308.233533] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 308.240791] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 308.248047] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 308.255306] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 308.262762] ? trace_hardirqs_on+0xb4/0x310 [ 308.267078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.272611] skb_clone+0x1bb/0x500 [ 308.276735] ? finish_task_switch+0x2f5/0x900 [ 308.281244] ? skb_split+0x11e0/0x11e0 [ 308.285121] ? preempt_notifier_register+0x200/0x200 [ 308.290320] ? __switch_to_asm+0x34/0x70 [ 308.294369] ? __switch_to_asm+0x34/0x70 [ 308.298419] ? __switch_to_asm+0x40/0x70 [ 308.302466] ? __switch_to_asm+0x34/0x70 [ 308.306521] ? __switch_to_asm+0x40/0x70 [ 308.310582] ? __switch_to_asm+0x34/0x70 [ 308.314631] ? __switch_to_asm+0x40/0x70 [ 308.318711] ? __switch_to_asm+0x34/0x70 [ 308.322758] ? __switch_to_asm+0x34/0x70 [ 308.326807] ? __switch_to_asm+0x40/0x70 [ 308.330859] ? __switch_to_asm+0x34/0x70 [ 308.334916] bpf_clone_redirect+0xb9/0x490 [ 308.339141] ? __schedule+0x874/0x1ed0 [ 308.343021] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 308.347960] ? __sched_text_start+0x8/0x8 [ 308.352119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.356867] ? retint_kernel+0x2d/0x2d [ 308.360753] ? lock_acquire+0x1ed/0x520 [ 308.364714] ? bpf_test_run+0x32e/0x5a0 [ 308.368695] ? lock_release+0x970/0x970 [ 308.372665] ? preempt_schedule+0x4d/0x60 [ 308.376812] ? preempt_schedule_common+0x1f/0xd0 [ 308.381557] ? preempt_schedule+0x4d/0x60 [ 308.385700] ? ___preempt_schedule+0x16/0x18 [ 308.390098] ? bpf_test_run+0x1c0/0x5a0 [ 308.394164] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.398566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.404089] ? bpf_test_init.isra.9+0x70/0x100 [ 308.408668] ? bpf_prog_test_run_skb+0x634/0xb40 [ 308.413418] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.418254] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.423782] ? fput+0x130/0x1a0 [ 308.427051] ? __bpf_prog_get+0x9b/0x290 [ 308.431101] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.435931] ? bpf_prog_test_run+0x130/0x1a0 [ 308.440329] ? __x64_sys_bpf+0x3d8/0x510 [ 308.444379] ? bpf_prog_get+0x20/0x20 [ 308.449109] ? do_syscall_64+0x1b9/0x820 [ 308.453160] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.458513] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.463434] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.471520] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 308.476522] ? recalc_sigpending_tsk+0x180/0x180 [ 308.481262] ? kasan_check_write+0x14/0x20 [ 308.485491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.490329] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.495699] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 308.495703] warn_alloc_show_mem: 1 callbacks suppressed [ 308.495709] Mem-Info: [ 308.503034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.508392] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 308.508392] active_file:16 inactive_file:17 isolated_file:0 [ 308.508392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.508392] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 308.508392] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 308.508392] free:13792 free_pcp:309 free_cma:0 [ 308.511249] Call Trace: [ 308.520619] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.555340] dump_stack+0x1c4/0x2b4 [ 308.557906] Node 0 [ 308.587285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.590912] 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 [ 308.593116] ? isolate_lru_page+0x22e0/0x22e0 [ 308.598272] lowmem_reserve[]: [ 308.623760] warn_alloc.cold.119+0xb7/0x1bd [ 308.628221] 0 [ 308.631312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.635598] 2819 [ 308.637732] ? lock_downgrade+0x900/0x900 [ 308.642543] 6323 [ 308.644593] ? trace_hardirqs_off+0xb8/0x310 [ 308.648709] 6323 [ 308.650759] ? trace_hardirqs_off+0xb8/0x310 [ 308.657185] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.661560] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 308.666407] ? mark_held_locks+0x130/0x130 [ 308.666422] ? warn_alloc+0x120/0x120 [ 308.693971] lowmem_reserve[]: 0 [ 308.698206] ? warn_alloc+0x120/0x120 [ 308.701974] 0 [ 308.705237] ? warn_alloc+0x120/0x120 [ 308.709003] 3503 [ 308.710790] ? mark_held_locks+0x130/0x130 [ 308.714554] 3503 [ 308.716606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.722852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.728354] Node 0 [ 308.733870] ? should_fail+0x22d/0xd01 [ 308.733901] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 308.736102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.739957] lowmem_reserve[]: [ 308.768309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.773381] 0 [ 308.776469] ? should_fail+0x22d/0xd01 [ 308.781974] 0 [ 308.783766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.787618] 0 [ 308.789412] ? should_fail+0x22d/0xd01 [ 308.794482] 0 [ 308.796273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.801932] ? mark_held_locks+0x130/0x130 [ 308.807001] Node 0 DMA: [ 308.811309] ? mark_held_locks+0x130/0x130 [ 308.811323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.813964] 1*4kB [ 308.818183] ? trace_hardirqs_off+0xb8/0x310 [ 308.823688] (U) [ 308.825820] ? kasan_check_read+0x11/0x20 [ 308.830199] 0*8kB [ 308.832638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.836757] 0*16kB [ 308.838894] ? trace_hardirqs_on+0x310/0x310 [ 308.843272] 1*32kB [ 308.846108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.846123] ? wq_watchdog_touch+0x9c/0xfe [ 308.850499] (U) [ 308.852727] ? io_serial_in+0x11/0x90 [ 308.858230] 2*64kB [ 308.862445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.864390] (U) [ 308.868176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.870380] 1*128kB [ 308.876368] __alloc_pages_nodemask+0xa80/0xde0 [ 308.878310] (U) [ 308.883395] ? should_fail+0x22d/0xd01 [ 308.885686] 1*256kB [ 308.890338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.892282] (U) [ 308.896166] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.898451] 0*512kB [ 308.908096] ? lock_downgrade+0x900/0x900 [ 308.910042] 1*1024kB [ 308.914698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.916990] (U) [ 308.921124] cache_grow_begin+0x91/0x8c0 [ 308.923501] 1*2048kB [ 308.929023] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.930970] (M) [ 308.935020] fallback_alloc+0x203/0x2e0 [ 308.937399] 3*4096kB [ 308.941789] ____cache_alloc_node+0x1c7/0x1e0 [ 308.943732] (M) [ 308.947703] kmem_cache_alloc_node+0xe3/0x730 [ 308.950084] = 15908kB [ 308.954565] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.956508] Node 0 [ 308.960988] __alloc_skb+0x119/0x770 [ 308.963364] DMA32: [ 308.967584] ? skb_scrub_packet+0x490/0x490 [ 308.969795] 6*4kB [ 308.973493] ? lock_downgrade+0x900/0x900 [ 308.975699] (UME) [ 308.980006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.982124] 2*8kB [ 308.986272] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.988388] (UE) [ 308.993911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.996032] 4*16kB [ 309.001468] ? addrconf_rs_timer+0x690/0x690 [ 309.003500] (UME) [ 309.008936] ndisc_alloc_skb+0x144/0x340 [ 309.011141] 4*32kB [ 309.015546] ndisc_send_rs+0x331/0x6e0 [ 309.017660] (UME) 5*64kB [ 309.021712] addrconf_rs_timer+0x314/0x690 [ 309.023914] (ME) 5*128kB [ 309.027793] ? lock_release+0x970/0x970 [ 309.030520] (UME) [ 309.034751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.037472] 4*256kB (ME) [ 309.041442] call_timer_fn+0x272/0x920 [ 309.043557] 5*512kB [ 309.047776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.050501] (UME) [ 309.054373] ? process_timeout+0x40/0x40 [ 309.056667] 4*1024kB [ 309.060885] ? kasan_check_read+0x11/0x20 [ 309.063015] (UME) [ 309.067073] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.069453] 2*2048kB [ 309.073587] ? trace_hardirqs_on+0x310/0x310 [ 309.075728] (ME) 3*4096kB (M) = 25256kB [ 309.075738] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 309.075790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.075795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.075799] 4986 total pagecache pages [ 309.075803] 0 pages in swap cache [ 309.075808] Swap cache stats: add 0, delete 0, find 0/0 [ 309.075810] Free swap = 0kB [ 309.075813] Total swap = 0kB [ 309.075816] 1965979 pages RAM [ 309.075819] 0 pages HighMem/MovableOnly [ 309.075822] 342307 pages reserved [ 309.075824] 0 pages cma reserved [ 309.075868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.075902] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.075905] syz-executor4 cpuset=syz4 mems_allowed=0 [ 309.179774] ? __run_timers+0x7da/0xc70 [ 309.183756] ? lock_downgrade+0x900/0x900 [ 309.187897] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.192990] ? trace_hardirqs_on+0xbd/0x310 [ 309.197303] ? kasan_check_read+0x11/0x20 [ 309.201443] ? __run_timers+0x7da/0xc70 [ 309.205914] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.211450] ? kasan_check_write+0x14/0x20 [ 309.215679] ? do_raw_spin_lock+0xc1/0x200 [ 309.219910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.224136] __run_timers+0x7e5/0xc70 [ 309.228252] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.233609] ? compat_start_thread+0x80/0x80 [ 309.238006] ? dequeue_entity+0x1770/0x1770 [ 309.242320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.248287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.253817] ? kasan_check_write+0x14/0x20 [ 309.258058] ? finish_task_switch+0x2f5/0x900 [ 309.262545] ? __switch_to_asm+0x40/0x70 [ 309.266604] ? preempt_notifier_register+0x200/0x200 [ 309.271696] ? __switch_to_asm+0x34/0x70 [ 309.275746] ? __switch_to_asm+0x40/0x70 [ 309.279795] ? __switch_to_asm+0x34/0x70 [ 309.283846] ? __switch_to_asm+0x40/0x70 [ 309.287893] ? __switch_to_asm+0x34/0x70 [ 309.292215] ? __switch_to_asm+0x40/0x70 [ 309.296270] ? pvclock_read_flags+0x160/0x160 [ 309.300757] ? __schedule+0x874/0x1ed0 [ 309.305596] ? run_rebalance_domains+0x38d/0x500 [ 309.311675] ? trace_hardirqs_on+0xbd/0x310 [ 309.316001] ? kvm_sched_clock_read+0x9/0x20 [ 309.320402] ? run_ksoftirqd+0x94/0x100 [ 309.324368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.329899] ? check_preemption_disabled+0x48/0x200 [ 309.334905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.340435] run_timer_softirq+0x52/0xb0 [ 309.344490] ? __this_cpu_preempt_check+0x1c/0x1f [ 309.349326] __do_softirq+0x30b/0xad8 [ 309.353125] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.358218] ? trace_hardirqs_off+0xb8/0x310 [ 309.362621] ? schedule+0x108/0x460 [ 309.366242] ? __schedule+0x1ed0/0x1ed0 [ 309.370354] ? run_ksoftirqd+0x99/0x100 [ 309.375066] ? trace_hardirqs_off+0xb8/0x310 [ 309.380413] ? ___might_sleep+0x1ed/0x300 [ 309.385050] ? smpboot_thread_fn+0x68b/0xa00 [ 309.389448] ? trace_hardirqs_on+0x310/0x310 [ 309.394353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.399885] ? check_preemption_disabled+0x48/0x200 [ 309.405362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.410891] ? takeover_tasklets+0xa90/0xa90 [ 309.415291] run_ksoftirqd+0x94/0x100 [ 309.419084] smpboot_thread_fn+0x68b/0xa00 [ 309.423310] ? sort_range+0x30/0x30 [ 309.426931] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.432535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.438065] ? __kthread_parkme+0xfb/0x1a0 [ 309.442297] kthread+0x35a/0x420 [ 309.445652] ? sort_range+0x30/0x30 [ 309.450801] ? kthread_bind+0x40/0x40 [ 309.454598] ret_from_fork+0x3a/0x50 [ 309.458312] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 309.458360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.468000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.468004] Call Trace: [ 309.468010] [ 309.468029] dump_stack+0x1c4/0x2b4 [ 309.468049] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.474587] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.484541] warn_alloc.cold.119+0xb7/0x1bd [ 309.484550] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.484567] ? lock_downgrade+0x900/0x900 [ 309.484592] ? trace_hardirqs_off+0xb8/0x310 [ 309.490389] ksoftirqd/1 cpuset= [ 309.492529] ? trace_hardirqs_off+0xb8/0x310 [ 309.496131] / [ 309.501311] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.511586] mems_allowed=0 [ 309.546355] ? warn_alloc+0x120/0x120 [ 309.550148] ? warn_alloc+0x120/0x120 [ 309.553944] ? warn_alloc+0x120/0x120 [ 309.557737] ? lock_release+0x970/0x970 [ 309.561716] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.567160] ? trace_hardirqs_on+0x310/0x310 [ 309.571567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.577098] ? should_fail+0x22d/0xd01 [ 309.580979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.586074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.591606] ? should_fail+0x22d/0xd01 [ 309.595486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.600583] ? should_fail+0x22d/0xd01 [ 309.604467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.609570] ? mark_held_locks+0x130/0x130 [ 309.613802] ? mark_held_locks+0x130/0x130 [ 309.618028] ? kvm_clock_read+0x18/0x30 [ 309.621992] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.626997] ? ktime_get+0x2e1/0x440 [ 309.630700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.636229] ? check_preemption_disabled+0x48/0x200 [ 309.641236] ? kasan_check_read+0x11/0x20 [ 309.645374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.650638] ? rcu_bh_qs+0xc0/0xc0 [ 309.654169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.659699] ? check_preemption_disabled+0x48/0x200 [ 309.664698] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.669704] ? widen_string+0xe0/0x2e0 [ 309.673771] __alloc_pages_nodemask+0xa80/0xde0 [ 309.678453] ? should_fail+0x22d/0xd01 [ 309.682357] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.687388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.692047] ? lock_downgrade+0x900/0x900 [ 309.696190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.701719] cache_grow_begin+0x91/0x8c0 [ 309.705769] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.710166] fallback_alloc+0x203/0x2e0 [ 309.714136] ____cache_alloc_node+0x1c7/0x1e0 [ 309.718628] kmem_cache_alloc_node+0xe3/0x730 [ 309.723117] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.727359] __alloc_skb+0x119/0x770 [ 309.731068] ? skb_scrub_packet+0x490/0x490 [ 309.735384] ? lock_downgrade+0x900/0x900 [ 309.739529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.745061] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.750505] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.755950] ? addrconf_rs_timer+0x690/0x690 [ 309.760354] ndisc_alloc_skb+0x144/0x340 [ 309.764410] ndisc_send_rs+0x331/0x6e0 [ 309.768290] addrconf_rs_timer+0x314/0x690 [ 309.772514] ? neigh_invalidate+0x550/0x550 [ 309.776833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.781063] call_timer_fn+0x272/0x920 [ 309.784955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.789203] ? process_timeout+0x40/0x40 [ 309.793271] ? trace_hardirqs_off+0xb8/0x310 [ 309.797931] ? kasan_check_read+0x11/0x20 [ 309.802086] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.806486] ? trace_hardirqs_on+0x310/0x310 [ 309.810898] ? __run_timers+0x7da/0xc70 [ 309.814862] ? lock_downgrade+0x900/0x900 [ 309.819007] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.824112] ? trace_hardirqs_on+0xbd/0x310 [ 309.828421] ? kasan_check_read+0x11/0x20 [ 309.832569] ? __run_timers+0x7da/0xc70 [ 309.836538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.841993] ? kasan_check_write+0x14/0x20 [ 309.846221] ? do_raw_spin_lock+0xc1/0x200 [ 309.850448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.854689] __run_timers+0x7e5/0xc70 [ 309.858481] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.863838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.868846] ? timerqueue_add+0x207/0x2b0 [ 309.872984] ? enqueue_hrtimer+0x1a5/0x560 [ 309.877206] ? lock_release+0x970/0x970 [ 309.881172] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.886356] ? kasan_check_write+0x14/0x20 [ 309.890589] ? pvclock_read_flags+0x160/0x160 [ 309.895077] ? lock_downgrade+0x900/0x900 [ 309.899341] ? trace_hardirqs_on+0xbd/0x310 [ 309.903707] ? kvm_sched_clock_read+0x9/0x20 [ 309.908108] ? irq_exit+0x17f/0x1c0 [ 309.911725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.917259] ? check_preemption_disabled+0x48/0x200 [ 309.922265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.927796] run_timer_softirq+0x52/0xb0 [ 309.931848] ? __this_cpu_preempt_check+0x1c/0x1f [ 309.936682] __do_softirq+0x30b/0xad8 [ 309.940492] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.945587] ? pvclock_read_flags+0x160/0x160 [ 309.950075] ? lapic_next_event+0x5a/0x90 [ 309.954225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.959752] ? clockevents_program_event+0x140/0x370 [ 309.964852] ? kvm_clock_read+0x18/0x30 [ 309.968829] ? kvm_sched_clock_read+0x9/0x20 [ 309.973229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.978772] ? check_preemption_disabled+0x48/0x200 [ 309.983786] irq_exit+0x17f/0x1c0 [ 309.987234] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.992068] ? smp_reschedule_interrupt+0x109/0x650 [ 309.997075] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.002947] ? interrupt_entry+0xb5/0xf0 [ 310.007003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.012010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.017020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.021852] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.026858] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.031873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.037404] ? check_preemption_disabled+0x48/0x200 [ 310.042417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.047259] apic_timer_interrupt+0xf/0x20 [ 310.051480] [ 310.053746] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 310.058668] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 310.077566] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.085265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 310.092531] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 310.099798] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 310.107547] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 310.114808] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 310.122083] ? trace_hardirqs_on+0xb4/0x310 [ 310.126402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.131934] skb_clone+0x1bb/0x500 [ 310.135469] ? finish_task_switch+0x2f5/0x900 [ 310.139957] ? skb_split+0x11e0/0x11e0 [ 310.143839] ? preempt_notifier_register+0x200/0x200 [ 310.148932] ? __switch_to_asm+0x34/0x70 [ 310.152987] ? __switch_to_asm+0x34/0x70 [ 310.157039] ? __switch_to_asm+0x40/0x70 [ 310.161090] ? __switch_to_asm+0x34/0x70 [ 310.165138] ? __switch_to_asm+0x40/0x70 [ 310.169188] ? __switch_to_asm+0x34/0x70 [ 310.173237] ? __switch_to_asm+0x40/0x70 [ 310.177287] ? __switch_to_asm+0x34/0x70 [ 310.181340] ? __switch_to_asm+0x34/0x70 [ 310.185389] ? __switch_to_asm+0x40/0x70 [ 310.189545] ? __switch_to_asm+0x34/0x70 [ 310.193601] bpf_clone_redirect+0xb9/0x490 [ 310.197830] ? __schedule+0x874/0x1ed0 [ 310.201711] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 310.206636] ? __sched_text_start+0x8/0x8 [ 310.210778] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.215541] ? retint_kernel+0x2d/0x2d [ 310.219426] ? lock_acquire+0x1ed/0x520 [ 310.223389] ? bpf_test_run+0x32e/0x5a0 [ 310.227356] ? lock_release+0x970/0x970 [ 310.231319] ? preempt_schedule+0x4d/0x60 [ 310.235458] ? preempt_schedule_common+0x1f/0xd0 [ 310.240208] ? preempt_schedule+0x4d/0x60 [ 310.244346] ? ___preempt_schedule+0x16/0x18 [ 310.248747] ? bpf_test_run+0x1c0/0x5a0 [ 310.252718] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.257118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.262645] ? bpf_test_init.isra.9+0x70/0x100 [ 310.267222] ? bpf_prog_test_run_skb+0x634/0xb40 [ 310.271972] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.277466] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.283016] ? fput+0x130/0x1a0 [ 310.286285] ? __bpf_prog_get+0x9b/0x290 [ 310.290340] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.295170] ? bpf_prog_test_run+0x130/0x1a0 [ 310.299569] ? __x64_sys_bpf+0x3d8/0x510 [ 310.303624] ? bpf_prog_get+0x20/0x20 [ 310.307425] ? do_syscall_64+0x1b9/0x820 [ 310.311479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.316841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.321761] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.326769] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.331776] ? recalc_sigpending_tsk+0x180/0x180 [ 310.336526] ? kasan_check_write+0x14/0x20 [ 310.340759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.345620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.350984] warn_alloc_show_mem: 1 callbacks suppressed [ 310.350993] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 310.350995] Mem-Info: [ 310.351024] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 310.351024] active_file:16 inactive_file:17 isolated_file:0 [ 310.351024] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.351024] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 310.351024] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 310.351024] free:13792 free_pcp:309 free_cma:0 [ 310.356368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.363201] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.365588] Call Trace: [ 310.398620] Node 0 [ 310.407968] dump_stack+0x1c4/0x2b4 [ 310.435802] 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 [ 310.438367] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.440570] lowmem_reserve[]: [ 310.444182] ? isolate_lru_page+0x22e0/0x22e0 [ 310.472279] 0 [ 310.477470] warn_alloc.cold.119+0xb7/0x1bd [ 310.480536] 2819 [ 310.485018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.486784] 6323 6323 [ 310.491537] ? lock_downgrade+0x900/0x900 [ 310.498398] ? trace_hardirqs_off+0xb8/0x310 [ 310.500864] Node 0 [ 310.504993] ? trace_hardirqs_off+0xb8/0x310 [ 310.509395] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 310.511601] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.516064] lowmem_reserve[]: [ 310.543038] ? mark_held_locks+0x130/0x130 [ 310.547845] 0 [ 310.550938] ? warn_alloc+0x120/0x120 [ 310.555137] 0 [ 310.556926] ? warn_alloc+0x120/0x120 [ 310.560687] 3503 3503 [ 310.562489] ? warn_alloc+0x120/0x120 [ 310.568756] ? mark_held_locks+0x130/0x130 [ 310.572524] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 310.576764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.576779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.605842] lowmem_reserve[]: [ 310.611368] ? should_fail+0x22d/0xd01 [ 310.616870] 0 [ 310.619964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.623816] 0 [ 310.625607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.630675] 0 [ 310.632461] ? should_fail+0x22d/0xd01 [ 310.637970] 0 [ 310.639800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.643668] Node 0 [ 310.645459] ? should_fail+0x22d/0xd01 [ 310.650534] DMA: [ 310.652756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.656611] 1*4kB [ 310.658671] ? mark_held_locks+0x130/0x130 [ 310.663741] (U) [ 310.665879] ? mark_held_locks+0x130/0x130 [ 310.670094] 0*8kB [ 310.672072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.676273] 0*16kB [ 310.678410] ? trace_hardirqs_off+0xb8/0x310 [ 310.683917] 1*32kB [ 310.686139] ? kasan_check_read+0x11/0x20 [ 310.690521] (U) [ 310.692746] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.696864] 2*64kB [ 310.698824] ? trace_hardirqs_on+0x310/0x310 [ 310.703196] (U) [ 310.705420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.709927] 1*128kB [ 310.711891] ? wq_watchdog_touch+0x9c/0xfe [ 310.717394] (U) [ 310.720139] ? io_serial_in+0x11/0x90 [ 310.724342] 1*256kB [ 310.726301] ? retint_kernel+0x2d/0x2d [ 310.730071] (U) [ 310.732382] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.736233] 0*512kB 1*1024kB [ 310.738202] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.743096] (U) [ 310.746643] ? trace_hardirqs_off+0x310/0x310 [ 310.751376] 1*2048kB [ 310.753332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.753351] __alloc_pages_nodemask+0xa80/0xde0 [ 310.757813] (M) [ 310.760216] ? should_fail+0x22d/0xd01 [ 310.765289] 3*4096kB [ 310.769944] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.771886] (M) [ 310.775770] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.778143] = 15908kB [ 310.783145] ? lock_downgrade+0x900/0x900 [ 310.785088] Node 0 [ 310.789741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.792116] DMA32: 6*4kB [ 310.796258] cache_grow_begin+0x91/0x8c0 [ 310.798470] (UME) [ 310.804010] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.806741] 2*8kB [ 310.810787] fallback_alloc+0x203/0x2e0 [ 310.812903] (UE) [ 310.817298] ____cache_alloc_node+0x1c7/0x1e0 [ 310.819417] 4*16kB [ 310.823377] kmem_cache_alloc_node+0xe3/0x730 [ 310.825407] (UME) [ 310.829887] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.832086] 4*32kB (UME) [ 310.836575] __alloc_skb+0x119/0x770 [ 310.838697] 5*64kB [ 310.842916] ? skb_scrub_packet+0x490/0x490 [ 310.845643] (ME) [ 310.849340] ? lock_downgrade+0x900/0x900 [ 310.851546] 5*128kB [ 310.855854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.857883] (UME) [ 310.862015] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.864310] 4*256kB [ 310.869830] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.871951] (ME) [ 310.878556] ? addrconf_rs_timer+0x690/0x690 [ 310.880848] 5*512kB [ 310.886285] ndisc_alloc_skb+0x144/0x340 [ 310.888316] (UME) [ 310.892711] ndisc_send_rs+0x331/0x6e0 [ 310.895019] 4*1024kB [ 310.899063] addrconf_rs_timer+0x314/0x690 [ 310.901180] (UME) [ 310.905053] ? lock_release+0x970/0x970 [ 310.907435] 2*2048kB [ 310.911662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.913784] (ME) [ 310.917748] call_timer_fn+0x272/0x920 [ 310.920127] 3*4096kB [ 310.924798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.926844] (M) [ 310.931233] ? process_timeout+0x40/0x40 [ 310.933613] = 25256kB [ 310.938224] ? kasan_check_read+0x11/0x20 [ 310.938240] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.940184] Node 0 [ 310.944234] ? trace_hardirqs_on+0x310/0x310 [ 310.946617] Normal: [ 310.950751] ? __run_timers+0x7da/0xc70 [ 310.955129] 1063*4kB [ 310.957797] ? lock_downgrade+0x900/0x900 [ 310.962185] (UMEH) 420*8kB [ 310.965006] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.968950] (UME) [ 310.971350] ? trace_hardirqs_on+0xbd/0x310 [ 310.975466] 170*16kB (UMEH) [ 310.978381] ? kasan_check_read+0x11/0x20 [ 310.978396] ? __run_timers+0x7da/0xc70 [ 310.983468] 65*32kB (UME) [ 310.985612] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.989902] 9*64kB [ 310.992903] ? kasan_check_write+0x14/0x20 [ 310.997020] (UM) [ 311.000984] ? do_raw_spin_lock+0xc1/0x200 [ 311.003791] 0*128kB 0*256kB [ 311.009239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.011465] 0*512kB [ 311.015695] __run_timers+0x7e5/0xc70 [ 311.017730] 1*1024kB [ 311.021953] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.024936] (H) [ 311.029153] ? compat_start_thread+0x80/0x80 [ 311.031453] 0*2048kB [ 311.035235] ? dequeue_entity+0x1770/0x1770 [ 311.037630] 0*4096kB [ 311.042982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.044928] = 14012kB [ 311.049322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.051707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 311.056008] ? kasan_check_write+0x14/0x20 [ 311.058394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 311.063909] ? finish_task_switch+0x2f5/0x900 [ 311.066288] 4986 total pagecache pages [ 311.071808] ? __switch_to_asm+0x40/0x70 [ 311.080610] 0 pages in swap cache [ 311.084831] ? preempt_notifier_register+0x200/0x200 [ 311.093370] Swap cache stats: add 0, delete 0, find 0/0 [ 311.093377] Free swap = 0kB [ 311.097865] ? __switch_to_asm+0x34/0x70 [ 311.101721] Total swap = 0kB [ 311.105765] ? __switch_to_asm+0x40/0x70 [ 311.109187] 1965979 pages RAM [ 311.114267] ? __switch_to_asm+0x34/0x70 [ 311.114280] ? __switch_to_asm+0x40/0x70 [ 311.119615] 0 pages HighMem/MovableOnly [ 311.123130] ? __switch_to_asm+0x34/0x70 [ 311.127160] 342307 pages reserved [ 311.130164] ? __switch_to_asm+0x40/0x70 [ 311.134197] 0 pages cma reserved [ 311.137288] ? pvclock_read_flags+0x160/0x160 [ 311.141362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.145367] ? __schedule+0x874/0x1ed0 [ 311.149354] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.153351] ? run_rebalance_domains+0x38d/0x500 [ 311.156777] syz-executor4 cpuset= [ 311.160825] ? trace_hardirqs_on+0xbd/0x310 [ 311.164156] syz4 [ 311.168636] ? kvm_sched_clock_read+0x9/0x20 [ 311.175095] mems_allowed=0 [ 311.178968] ? run_ksoftirqd+0x94/0x100 [ 311.215602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.221135] ? check_preemption_disabled+0x48/0x200 [ 311.226141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.231672] run_timer_softirq+0x52/0xb0 [ 311.235743] ? __this_cpu_preempt_check+0x1c/0x1f [ 311.240579] __do_softirq+0x30b/0xad8 [ 311.244378] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.250000] ? trace_hardirqs_off+0xb8/0x310 [ 311.256327] ? schedule+0x108/0x460 [ 311.259955] ? __schedule+0x1ed0/0x1ed0 [ 311.263920] ? run_ksoftirqd+0x99/0x100 [ 311.267893] ? trace_hardirqs_off+0xb8/0x310 [ 311.272308] ? ___might_sleep+0x1ed/0x300 [ 311.276445] ? smpboot_thread_fn+0x68b/0xa00 [ 311.280846] ? trace_hardirqs_on+0x310/0x310 [ 311.285246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.291246] ? check_preemption_disabled+0x48/0x200 [ 311.296260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.301791] ? takeover_tasklets+0xa90/0xa90 [ 311.306201] run_ksoftirqd+0x94/0x100 [ 311.309990] smpboot_thread_fn+0x68b/0xa00 [ 311.314219] ? sort_range+0x30/0x30 [ 311.317835] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.322931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.328463] ? __kthread_parkme+0xfb/0x1a0 [ 311.332690] kthread+0x35a/0x420 [ 311.336044] ? sort_range+0x30/0x30 [ 311.340155] ? kthread_bind+0x40/0x40 [ 311.343952] ret_from_fork+0x3a/0x50 [ 311.347666] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 311.347712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.354925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.354929] Call Trace: [ 311.354934] [ 311.354949] dump_stack+0x1c4/0x2b4 [ 311.354966] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.361486] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.370783] warn_alloc.cold.119+0xb7/0x1bd [ 311.373337] ksoftirqd/1 cpuset= [ 311.375474] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.379065] / [ 311.384236] ? lock_downgrade+0x900/0x900 [ 311.394516] mems_allowed=0 [ 311.398821] ? trace_hardirqs_off+0xb8/0x310 [ 311.420030] ? trace_hardirqs_off+0xb8/0x310 [ 311.424442] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.429289] ? warn_alloc+0x120/0x120 [ 311.433082] ? warn_alloc+0x120/0x120 [ 311.436899] ? warn_alloc+0x120/0x120 [ 311.440689] ? mark_held_locks+0x130/0x130 [ 311.444911] ? trace_hardirqs_on+0x310/0x310 [ 311.450174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.455698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.461226] ? should_fail+0x22d/0xd01 [ 311.465116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.470431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.475957] ? should_fail+0x22d/0xd01 [ 311.479837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.484931] ? should_fail+0x22d/0xd01 [ 311.488810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.493907] ? mark_held_locks+0x130/0x130 [ 311.498133] ? mark_held_locks+0x130/0x130 [ 311.502361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.507905] ? trace_hardirqs_off+0xb8/0x310 [ 311.512316] ? kasan_check_read+0x11/0x20 [ 311.516455] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.520853] ? trace_hardirqs_on+0x310/0x310 [ 311.525254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.530781] ? wq_watchdog_touch+0x9c/0xfe [ 311.535005] ? io_serial_in+0x11/0x90 [ 311.538898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.544446] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.549550] __alloc_pages_nodemask+0xa80/0xde0 [ 311.554210] ? should_fail+0x22d/0xd01 [ 311.558092] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.563114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.567775] ? lock_downgrade+0x900/0x900 [ 311.571922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.577454] cache_grow_begin+0x91/0x8c0 [ 311.581505] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.585905] fallback_alloc+0x203/0x2e0 [ 311.589873] ____cache_alloc_node+0x1c7/0x1e0 [ 311.594361] kmem_cache_alloc_node+0xe3/0x730 [ 311.598855] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.603092] __alloc_skb+0x119/0x770 [ 311.606800] ? skb_scrub_packet+0x490/0x490 [ 311.611113] ? lock_downgrade+0x900/0x900 [ 311.615265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.620794] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.626236] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.631833] ? addrconf_rs_timer+0x690/0x690 [ 311.636233] ndisc_alloc_skb+0x144/0x340 [ 311.640285] ndisc_send_rs+0x331/0x6e0 [ 311.644168] addrconf_rs_timer+0x314/0x690 [ 311.648400] ? neigh_invalidate+0x550/0x550 [ 311.652722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.656956] call_timer_fn+0x272/0x920 [ 311.660833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.665058] ? process_timeout+0x40/0x40 [ 311.669113] ? trace_hardirqs_off+0xb8/0x310 [ 311.673508] ? kasan_check_read+0x11/0x20 [ 311.677644] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.682067] ? trace_hardirqs_on+0x310/0x310 [ 311.686473] ? __run_timers+0x7da/0xc70 [ 311.690436] ? lock_downgrade+0x900/0x900 [ 311.694576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.699673] ? trace_hardirqs_on+0xbd/0x310 [ 311.703981] ? kasan_check_read+0x11/0x20 [ 311.708122] ? __run_timers+0x7da/0xc70 [ 311.712087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.717526] ? kasan_check_write+0x14/0x20 [ 311.721754] ? do_raw_spin_lock+0xc1/0x200 [ 311.725985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.730222] __run_timers+0x7e5/0xc70 [ 311.734020] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.739381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.744401] ? timerqueue_add+0x207/0x2b0 [ 311.748541] ? enqueue_hrtimer+0x1a5/0x560 [ 311.752763] ? lock_release+0x970/0x970 [ 311.756731] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.761913] ? kasan_check_write+0x14/0x20 [ 311.766142] ? pvclock_read_flags+0x160/0x160 [ 311.770632] ? lock_downgrade+0x900/0x900 [ 311.774775] ? trace_hardirqs_on+0xbd/0x310 [ 311.779088] ? kvm_sched_clock_read+0x9/0x20 [ 311.783491] ? irq_exit+0x17f/0x1c0 [ 311.787107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.792636] ? check_preemption_disabled+0x48/0x200 [ 311.797646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.803196] run_timer_softirq+0x52/0xb0 [ 311.807252] ? __this_cpu_preempt_check+0x1c/0x1f [ 311.812089] __do_softirq+0x30b/0xad8 [ 311.815891] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.820986] ? pvclock_read_flags+0x160/0x160 [ 311.825472] ? lapic_next_event+0x5a/0x90 [ 311.829613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.835144] ? clockevents_program_event+0x140/0x370 [ 311.840238] ? kvm_clock_read+0x18/0x30 [ 311.844206] ? kvm_sched_clock_read+0x9/0x20 [ 311.848604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.854132] ? check_preemption_disabled+0x48/0x200 [ 311.859143] irq_exit+0x17f/0x1c0 [ 311.862591] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.867423] ? smp_reschedule_interrupt+0x109/0x650 [ 311.872430] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.878303] ? interrupt_entry+0xb5/0xf0 [ 311.882355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.887380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.892395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.897227] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.902369] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.907394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.912923] ? check_preemption_disabled+0x48/0x200 [ 311.917931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.922766] apic_timer_interrupt+0xf/0x20 [ 311.926986] [ 311.929230] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.934170] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 311.953061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.960762] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 311.968120] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 311.975384] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 311.982642] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 311.989900] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.997171] ? trace_hardirqs_on+0xb4/0x310 [ 312.001490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.007023] skb_clone+0x1bb/0x500 [ 312.010552] ? finish_task_switch+0x2f5/0x900 [ 312.015040] ? skb_split+0x11e0/0x11e0 [ 312.018921] ? preempt_notifier_register+0x200/0x200 [ 312.024015] ? __switch_to_asm+0x34/0x70 [ 312.028063] ? __switch_to_asm+0x34/0x70 [ 312.032112] ? __switch_to_asm+0x40/0x70 [ 312.036160] ? __switch_to_asm+0x34/0x70 [ 312.040217] ? __switch_to_asm+0x40/0x70 [ 312.044281] ? __switch_to_asm+0x34/0x70 [ 312.048333] ? __switch_to_asm+0x40/0x70 [ 312.052389] ? __switch_to_asm+0x34/0x70 [ 312.056440] ? __switch_to_asm+0x34/0x70 [ 312.060490] ? __switch_to_asm+0x40/0x70 [ 312.064542] ? __switch_to_asm+0x34/0x70 [ 312.068600] bpf_clone_redirect+0xb9/0x490 [ 312.072825] ? __schedule+0x874/0x1ed0 [ 312.076702] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 312.081623] ? __sched_text_start+0x8/0x8 [ 312.085773] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.090521] ? retint_kernel+0x2d/0x2d [ 312.094416] ? lock_acquire+0x1ed/0x520 [ 312.098383] ? bpf_test_run+0x32e/0x5a0 [ 312.102356] ? lock_release+0x970/0x970 [ 312.106812] ? preempt_schedule+0x4d/0x60 [ 312.110958] ? preempt_schedule_common+0x1f/0xd0 [ 312.115702] ? preempt_schedule+0x4d/0x60 [ 312.119841] ? ___preempt_schedule+0x16/0x18 [ 312.124246] ? bpf_test_run+0x1c0/0x5a0 [ 312.128210] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.132617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.138141] ? bpf_test_init.isra.9+0x70/0x100 [ 312.142717] ? bpf_prog_test_run_skb+0x634/0xb40 [ 312.147464] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.152295] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.157821] ? fput+0x130/0x1a0 [ 312.161112] ? __bpf_prog_get+0x9b/0x290 [ 312.165164] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.169994] ? bpf_prog_test_run+0x130/0x1a0 [ 312.174395] ? __x64_sys_bpf+0x3d8/0x510 [ 312.178444] ? bpf_prog_get+0x20/0x20 [ 312.182246] ? do_syscall_64+0x1b9/0x820 [ 312.186301] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.191660] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.196582] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.201589] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.206614] ? recalc_sigpending_tsk+0x180/0x180 [ 312.211371] ? kasan_check_write+0x14/0x20 [ 312.215603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.220438] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.226603] warn_alloc_show_mem: 1 callbacks suppressed [ 312.226613] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 312.226614] Mem-Info: [ 312.226644] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 312.226644] active_file:16 inactive_file:17 isolated_file:0 [ 312.226644] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.226644] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 312.226644] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 312.226644] free:13792 free_pcp:309 free_cma:0 [ 312.232415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.232423] Call Trace: [ 312.239261] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.241657] dump_stack+0x1c4/0x2b4 [ 312.275224] Node 0 [ 312.284579] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.287147] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 312.315416] ? isolate_lru_page+0x22e0/0x22e0 [ 312.319022] lowmem_reserve[]: [ 312.321247] warn_alloc.cold.119+0xb7/0x1bd [ 312.326406] 0 [ 312.352456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.356917] 2819 [ 312.360011] ? lock_downgrade+0x900/0x900 [ 312.364299] 6323 6323 [ 312.364306] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 312.364340] lowmem_reserve[]: [ 312.367353] ? trace_hardirqs_off+0xb8/0x310 [ 312.372188] 0 [ 312.374236] ? trace_hardirqs_off+0xb8/0x310 [ 312.378354] 0 [ 312.380839] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.408393] 3503 [ 312.411494] ? mark_held_locks+0x130/0x130 [ 312.415866] 3503 [ 312.417653] ? warn_alloc+0x120/0x120 [ 312.423816] ? warn_alloc+0x120/0x120 [ 312.428624] Node 0 [ 312.430674] ? warn_alloc+0x120/0x120 [ 312.434903] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 312.436931] ? mark_held_locks+0x130/0x130 [ 312.440696] lowmem_reserve[]: [ 312.444482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.446687] 0 [ 312.451239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.480574] 0 [ 312.485746] ? should_fail+0x22d/0xd01 [ 312.488815] 0 [ 312.494340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.496112] 0 [ 312.502147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.507787] ? should_fail+0x22d/0xd01 [ 312.509561] Node 0 [ 312.514650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.516422] DMA: [ 312.521943] ? should_fail+0x22d/0xd01 [ 312.525802] 1*4kB [ 312.528030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.533098] (U) [ 312.535146] ? mark_held_locks+0x130/0x130 [ 312.539005] 0*8kB [ 312.541142] ? mark_held_locks+0x130/0x130 [ 312.546212] 0*16kB [ 312.548172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.552375] 1*32kB [ 312.554512] ? trace_hardirqs_off+0xb8/0x310 [ 312.558712] (U) [ 312.561446] ? kasan_check_read+0x11/0x20 [ 312.566951] 2*64kB [ 312.569173] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.573548] (U) [ 312.575511] ? trace_hardirqs_on+0x310/0x310 [ 312.579637] 1*128kB [ 312.581860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.586237] (U) [ 312.588199] ? wq_watchdog_touch+0x9c/0xfe [ 312.592591] 1*256kB [ 312.594905] ? io_serial_in+0x11/0x90 [ 312.600409] (U) [ 312.602383] ? retint_kernel+0x2d/0x2d [ 312.606584] 0*512kB 1*1024kB [ 312.608899] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.612668] (U) [ 312.614632] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.618486] 1*2048kB [ 312.621579] ? trace_hardirqs_off+0x310/0x310 [ 312.626586] (M) [ 312.628550] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.633273] 3*4096kB [ 312.635673] __alloc_pages_nodemask+0xa80/0xde0 [ 312.640133] (M) [ 312.642093] ? should_fail+0x22d/0xd01 [ 312.647162] = 15908kB [ 312.649561] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.654196] Node 0 [ 312.656166] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.660012] DMA32: [ 312.662405] ? lock_downgrade+0x900/0x900 [ 312.667401] 6*4kB [ 312.669634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.674390] (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) [ 312.677257] cache_grow_begin+0x91/0x8c0 [ 312.681369] 5*128kB [ 312.683508] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.689014] (UME) [ 312.695407] fallback_alloc+0x203/0x2e0 [ 312.699437] 4*256kB [ 312.701746] ____cache_alloc_node+0x1c7/0x1e0 [ 312.706121] (ME) 5*512kB [ 312.708275] kmem_cache_alloc_node+0xe3/0x730 [ 312.712220] (UME) [ 312.714532] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.718992] 4*1024kB [ 312.721737] __alloc_skb+0x119/0x770 [ 312.726199] (UME) [ 312.728397] ? skb_scrub_packet+0x490/0x490 [ 312.732595] 2*2048kB [ 312.734994] ? lock_downgrade+0x900/0x900 [ 312.738675] (ME) [ 312.740816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.745100] 3*4096kB [ 312.747495] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.751608] (M) [ 312.753669] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.759167] = 25256kB [ 312.759173] Node 0 [ 312.761568] ? addrconf_rs_timer+0x690/0x690 [ 312.766982] Normal: 1063*4kB [ 312.768958] ndisc_alloc_skb+0x144/0x340 [ 312.774378] (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 312.774423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.774429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.774432] 4986 total pagecache pages [ 312.774436] 0 pages in swap cache [ 312.774440] Swap cache stats: add 0, delete 0, find 0/0 [ 312.774443] Free swap = 0kB [ 312.774445] Total swap = 0kB [ 312.774449] 1965979 pages RAM [ 312.774452] 0 pages HighMem/MovableOnly [ 312.774454] 342307 pages reserved [ 312.774456] 0 pages cma reserved [ 312.774500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.774536] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.774539] syz-executor4 cpuset=syz4 mems_allowed=0 [ 312.876909] ndisc_send_rs+0x331/0x6e0 [ 312.880794] addrconf_rs_timer+0x314/0x690 [ 312.885022] ? lock_release+0x970/0x970 [ 312.888992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.893225] call_timer_fn+0x272/0x920 [ 312.897107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.901337] ? process_timeout+0x40/0x40 [ 312.905387] ? kasan_check_read+0x11/0x20 [ 312.909527] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.913928] ? trace_hardirqs_on+0x310/0x310 [ 312.918330] ? __run_timers+0x7da/0xc70 [ 312.922304] ? lock_downgrade+0x900/0x900 [ 312.926888] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.931980] ? trace_hardirqs_on+0xbd/0x310 [ 312.936295] ? kasan_check_read+0x11/0x20 [ 312.940433] ? __run_timers+0x7da/0xc70 [ 312.944398] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.949841] ? kasan_check_write+0x14/0x20 [ 312.954068] ? do_raw_spin_lock+0xc1/0x200 [ 312.958300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.962525] __run_timers+0x7e5/0xc70 [ 312.966332] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.972185] ? compat_start_thread+0x80/0x80 [ 312.976586] ? dequeue_entity+0x1770/0x1770 [ 312.980901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.986426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.991956] ? kasan_check_write+0x14/0x20 [ 312.996189] ? finish_task_switch+0x2f5/0x900 [ 313.000672] ? __switch_to_asm+0x40/0x70 [ 313.004727] ? preempt_notifier_register+0x200/0x200 [ 313.009830] ? __switch_to_asm+0x34/0x70 [ 313.013890] ? __switch_to_asm+0x40/0x70 [ 313.017936] ? __switch_to_asm+0x34/0x70 [ 313.021986] ? __switch_to_asm+0x40/0x70 [ 313.026036] ? __switch_to_asm+0x34/0x70 [ 313.030088] ? __switch_to_asm+0x40/0x70 [ 313.034147] ? pvclock_read_flags+0x160/0x160 [ 313.038633] ? __schedule+0x874/0x1ed0 [ 313.042511] ? run_rebalance_domains+0x38d/0x500 [ 313.047266] ? trace_hardirqs_on+0xbd/0x310 [ 313.051577] ? kvm_sched_clock_read+0x9/0x20 [ 313.055975] ? run_ksoftirqd+0x94/0x100 [ 313.059942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.065475] ? check_preemption_disabled+0x48/0x200 [ 313.070479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.076010] run_timer_softirq+0x52/0xb0 [ 313.080064] ? __this_cpu_preempt_check+0x1c/0x1f [ 313.084897] __do_softirq+0x30b/0xad8 [ 313.088693] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.093791] ? trace_hardirqs_off+0xb8/0x310 [ 313.099157] ? schedule+0x108/0x460 [ 313.102776] ? __schedule+0x1ed0/0x1ed0 [ 313.106762] ? run_ksoftirqd+0x99/0x100 [ 313.110741] ? trace_hardirqs_off+0xb8/0x310 [ 313.115140] ? ___might_sleep+0x1ed/0x300 [ 313.119281] ? smpboot_thread_fn+0x68b/0xa00 [ 313.123678] ? trace_hardirqs_on+0x310/0x310 [ 313.128075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.133602] ? check_preemption_disabled+0x48/0x200 [ 313.138611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.144137] ? takeover_tasklets+0xa90/0xa90 [ 313.148538] run_ksoftirqd+0x94/0x100 [ 313.152329] smpboot_thread_fn+0x68b/0xa00 [ 313.156554] ? sort_range+0x30/0x30 [ 313.160171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.165267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.171306] ? __kthread_parkme+0xfb/0x1a0 [ 313.175531] kthread+0x35a/0x420 [ 313.178885] ? sort_range+0x30/0x30 [ 313.182499] ? kthread_bind+0x40/0x40 [ 313.186290] ret_from_fork+0x3a/0x50 [ 313.190003] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 313.190079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.197301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.203838] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.213857] Call Trace: [ 313.224155] ksoftirqd/1 cpuset= [ 313.226716] [ 313.226717] / mems_allowed=0 [ 313.229989] dump_stack+0x1c4/0x2b4 [ 313.238715] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.243919] warn_alloc.cold.119+0xb7/0x1bd [ 313.248233] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.253072] ? lock_downgrade+0x900/0x900 [ 313.257214] ? trace_hardirqs_off+0xb8/0x310 [ 313.261620] ? trace_hardirqs_off+0xb8/0x310 [ 313.266026] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.270873] ? warn_alloc+0x120/0x120 [ 313.274664] ? warn_alloc+0x120/0x120 [ 313.278459] ? warn_alloc+0x120/0x120 [ 313.282255] ? lock_release+0x970/0x970 [ 313.286225] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.291413] ? trace_hardirqs_on+0x310/0x310 [ 313.295811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.301340] ? should_fail+0x22d/0xd01 [ 313.305218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.310319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.315843] ? should_fail+0x22d/0xd01 [ 313.319722] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.324813] ? should_fail+0x22d/0xd01 [ 313.328694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.333787] ? mark_held_locks+0x130/0x130 [ 313.338125] ? mark_held_locks+0x130/0x130 [ 313.342351] ? kvm_clock_read+0x18/0x30 [ 313.346318] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.351322] ? ktime_get+0x2e1/0x440 [ 313.355023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.360550] ? check_preemption_disabled+0x48/0x200 [ 313.365556] ? kasan_check_read+0x11/0x20 [ 313.369693] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.374959] ? rcu_bh_qs+0xc0/0xc0 [ 313.378488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.384019] ? check_preemption_disabled+0x48/0x200 [ 313.389024] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.394027] ? widen_string+0xe0/0x2e0 [ 313.397909] __alloc_pages_nodemask+0xa80/0xde0 [ 313.402575] ? should_fail+0x22d/0xd01 [ 313.406454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.411472] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.416129] ? lock_downgrade+0x900/0x900 [ 313.420274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.425893] cache_grow_begin+0x91/0x8c0 [ 313.429944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.434346] fallback_alloc+0x203/0x2e0 [ 313.438312] ____cache_alloc_node+0x1c7/0x1e0 [ 313.442799] kmem_cache_alloc_node+0xe3/0x730 [ 313.449621] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.453852] __alloc_skb+0x119/0x770 [ 313.457557] ? skb_scrub_packet+0x490/0x490 [ 313.461870] ? lock_downgrade+0x900/0x900 [ 313.466789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.472334] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.478077] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.483521] ? addrconf_rs_timer+0x690/0x690 [ 313.487924] ndisc_alloc_skb+0x144/0x340 [ 313.491975] ndisc_send_rs+0x331/0x6e0 [ 313.495858] addrconf_rs_timer+0x314/0x690 [ 313.500081] ? neigh_invalidate+0x550/0x550 [ 313.504393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.508622] call_timer_fn+0x272/0x920 [ 313.512501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.516736] ? process_timeout+0x40/0x40 [ 313.520808] ? trace_hardirqs_off+0xb8/0x310 [ 313.525203] ? kasan_check_read+0x11/0x20 [ 313.529346] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.533741] ? trace_hardirqs_on+0x310/0x310 [ 313.538143] ? __run_timers+0x7da/0xc70 [ 313.542106] ? lock_downgrade+0x900/0x900 [ 313.546255] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.551346] ? trace_hardirqs_on+0xbd/0x310 [ 313.555656] ? kasan_check_read+0x11/0x20 [ 313.559799] ? __run_timers+0x7da/0xc70 [ 313.563765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.569213] ? kasan_check_write+0x14/0x20 [ 313.573447] ? do_raw_spin_lock+0xc1/0x200 [ 313.577674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.581900] __run_timers+0x7e5/0xc70 [ 313.585697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.591049] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.596054] ? timerqueue_add+0x207/0x2b0 [ 313.600195] ? enqueue_hrtimer+0x1a5/0x560 [ 313.604422] ? lock_release+0x970/0x970 [ 313.608387] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.613566] ? kasan_check_write+0x14/0x20 [ 313.617797] ? pvclock_read_flags+0x160/0x160 [ 313.622285] ? lock_downgrade+0x900/0x900 [ 313.626427] ? trace_hardirqs_on+0xbd/0x310 [ 313.630740] ? kvm_sched_clock_read+0x9/0x20 [ 313.635139] ? irq_exit+0x17f/0x1c0 [ 313.638895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.644418] ? check_preemption_disabled+0x48/0x200 [ 313.649427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.654956] run_timer_softirq+0x52/0xb0 [ 313.659007] ? __this_cpu_preempt_check+0x1c/0x1f [ 313.663843] __do_softirq+0x30b/0xad8 [ 313.667638] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.672740] ? pvclock_read_flags+0x160/0x160 [ 313.677229] ? lapic_next_event+0x5a/0x90 [ 313.681368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.686907] ? clockevents_program_event+0x140/0x370 [ 313.692010] ? kvm_clock_read+0x18/0x30 [ 313.695977] ? kvm_sched_clock_read+0x9/0x20 [ 313.700375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.705905] ? check_preemption_disabled+0x48/0x200 [ 313.710915] irq_exit+0x17f/0x1c0 [ 313.714356] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.719187] ? smp_reschedule_interrupt+0x109/0x650 [ 313.724198] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.730082] ? interrupt_entry+0xb5/0xf0 [ 313.734135] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.739139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.744145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.748974] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.753978] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.758989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.764519] ? check_preemption_disabled+0x48/0x200 [ 313.769526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.774360] apic_timer_interrupt+0xf/0x20 [ 313.778580] [ 313.780807] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 313.785730] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 313.804720] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.812419] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 313.819676] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 313.826935] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 313.834211] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 313.841470] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 313.848738] ? trace_hardirqs_on+0xb4/0x310 [ 313.853058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.858587] skb_clone+0x1bb/0x500 [ 313.862118] ? finish_task_switch+0x2f5/0x900 [ 313.866599] ? skb_split+0x11e0/0x11e0 [ 313.870478] ? preempt_notifier_register+0x200/0x200 [ 313.875575] ? __switch_to_asm+0x34/0x70 [ 313.879622] ? __switch_to_asm+0x34/0x70 [ 313.883673] ? __switch_to_asm+0x40/0x70 [ 313.887721] ? __switch_to_asm+0x34/0x70 [ 313.891767] ? __switch_to_asm+0x40/0x70 [ 313.895812] ? __switch_to_asm+0x34/0x70 [ 313.899859] ? __switch_to_asm+0x40/0x70 [ 313.903918] ? __switch_to_asm+0x34/0x70 [ 313.907969] ? __switch_to_asm+0x34/0x70 [ 313.912019] ? __switch_to_asm+0x40/0x70 [ 313.916080] ? __switch_to_asm+0x34/0x70 [ 313.920132] bpf_clone_redirect+0xb9/0x490 [ 313.924360] ? __schedule+0x874/0x1ed0 [ 313.928245] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 313.933166] ? __sched_text_start+0x8/0x8 [ 313.937313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.942059] ? retint_kernel+0x2d/0x2d [ 313.945942] ? lock_acquire+0x1ed/0x520 [ 313.950002] ? bpf_test_run+0x32e/0x5a0 [ 313.953967] ? lock_release+0x970/0x970 [ 313.957933] ? preempt_schedule+0x4d/0x60 [ 313.962070] ? preempt_schedule_common+0x1f/0xd0 [ 313.966814] ? preempt_schedule+0x4d/0x60 [ 313.970956] ? ___preempt_schedule+0x16/0x18 [ 313.975358] ? bpf_test_run+0x1c0/0x5a0 [ 313.979327] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.983726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.989251] ? bpf_test_init.isra.9+0x70/0x100 [ 313.993822] ? bpf_prog_test_run_skb+0x634/0xb40 [ 313.998569] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.003404] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.008929] ? fput+0x130/0x1a0 [ 314.012210] ? __bpf_prog_get+0x9b/0x290 [ 314.016260] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.021093] ? bpf_prog_test_run+0x130/0x1a0 [ 314.025491] ? __x64_sys_bpf+0x3d8/0x510 [ 314.029538] ? bpf_prog_get+0x20/0x20 [ 314.033337] ? do_syscall_64+0x1b9/0x820 [ 314.037388] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 314.042741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.047661] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.052666] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 314.057671] ? recalc_sigpending_tsk+0x180/0x180 [ 314.062533] ? kasan_check_write+0x14/0x20 [ 314.066766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.071619] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.076980] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 314.076984] warn_alloc_show_mem: 1 callbacks suppressed [ 314.076990] Mem-Info: [ 314.083816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.089183] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 314.089183] active_file:16 inactive_file:17 isolated_file:0 [ 314.089183] unevictable:0 dirty:0 writeback:0 unstable:0 [ 314.089183] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 314.089183] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 314.089183] free:13792 free_pcp:309 free_cma:0 [ 314.091548] Call Trace: [ 314.100917] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 314.134230] dump_stack+0x1c4/0x2b4 [ 314.136781] Node 0 [ 314.164615] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.168227] 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 [ 314.170432] ? isolate_lru_page+0x22e0/0x22e0 [ 314.175582] lowmem_reserve[]: 0 [ 314.201505] warn_alloc.cold.119+0xb7/0x1bd [ 314.205963] 2819 [ 314.209229] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.213516] 6323 [ 314.215565] ? lock_downgrade+0x900/0x900 [ 314.220382] 6323 [ 314.222429] ? trace_hardirqs_off+0xb8/0x310 [ 314.228610] ? trace_hardirqs_off+0xb8/0x310 [ 314.232986] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 314.237399] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.237422] ? mark_held_locks+0x130/0x130 [ 314.264961] lowmem_reserve[]: 0 [ 314.269796] ? warn_alloc+0x120/0x120 [ 314.274331] 0 [ 314.278434] ? warn_alloc+0x120/0x120 [ 314.282204] 3503 [ 314.283991] ? warn_alloc+0x120/0x120 [ 314.287840] 3503 [ 314.289898] ? mark_held_locks+0x130/0x130 [ 314.293662] Node 0 [ 314.295713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.299934] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 314.302133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.307638] lowmem_reserve[]: [ 314.338048] ? should_fail+0x22d/0xd01 [ 314.343550] 0 [ 314.346641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.350495] 0 [ 314.352283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.357347] 0 0 [ 314.357355] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 314.357403] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 314.357456] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 314.357506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.357512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.357515] 4986 total pagecache pages [ 314.357519] 0 pages in swap cache [ 314.357523] Swap cache stats: add 0, delete 0, find 0/0 [ 314.357526] Free swap = 0kB [ 314.357528] Total swap = 0kB [ 314.357531] 1965979 pages RAM [ 314.357534] 0 pages HighMem/MovableOnly [ 314.357537] 342307 pages reserved [ 314.357539] 0 pages cma reserved [ 314.357581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.357614] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.357618] syz-executor4 cpuset=syz4 mems_allowed=0 [ 314.489578] ? should_fail+0x22d/0xd01 [ 314.493459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.500379] ? should_fail+0x22d/0xd01 [ 314.505877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.510975] ? mark_held_locks+0x130/0x130 [ 314.515223] ? mark_held_locks+0x130/0x130 [ 314.520281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.525813] ? mark_held_locks+0x130/0x130 [ 314.530036] ? trace_hardirqs_on+0x310/0x310 [ 314.534435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.539960] ? wq_watchdog_touch+0x9c/0xfe [ 314.544187] ? io_serial_in+0x11/0x90 [ 314.548447] ? retint_kernel+0x2d/0x2d [ 314.552326] ? trace_hardirqs_on_caller+0xc0/0x310 [ 314.557248] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.561993] ? trace_hardirqs_off+0x310/0x310 [ 314.566480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.571578] __alloc_pages_nodemask+0xa80/0xde0 [ 314.576236] ? should_fail+0x22d/0xd01 [ 314.580577] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.586060] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.590718] ? lock_downgrade+0x900/0x900 [ 314.594862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.600389] cache_grow_begin+0x91/0x8c0 [ 314.604442] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.609354] fallback_alloc+0x203/0x2e0 [ 314.613326] ____cache_alloc_node+0x1c7/0x1e0 [ 314.617811] kmem_cache_alloc_node+0xe3/0x730 [ 314.622297] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.626523] __alloc_skb+0x119/0x770 [ 314.630227] ? skb_scrub_packet+0x490/0x490 [ 314.634540] ? lock_downgrade+0x900/0x900 [ 314.638681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.644208] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.649656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.655098] ? addrconf_rs_timer+0x690/0x690 [ 314.659512] ndisc_alloc_skb+0x144/0x340 [ 314.663567] ndisc_send_rs+0x331/0x6e0 [ 314.667460] addrconf_rs_timer+0x314/0x690 [ 314.671684] ? lock_release+0x970/0x970 [ 314.675654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.679886] call_timer_fn+0x272/0x920 [ 314.683769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.687998] ? process_timeout+0x40/0x40 [ 314.692045] ? kasan_check_read+0x11/0x20 [ 314.696183] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.700583] ? trace_hardirqs_on+0x310/0x310 [ 314.704986] ? __run_timers+0x7da/0xc70 [ 314.708948] ? lock_downgrade+0x900/0x900 [ 314.713135] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.718230] ? trace_hardirqs_on+0xbd/0x310 [ 314.722541] ? kasan_check_read+0x11/0x20 [ 314.726678] ? __run_timers+0x7da/0xc70 [ 314.730641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.736090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.741628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.745858] __run_timers+0x7e5/0xc70 [ 314.749660] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.755027] ? compat_start_thread+0x80/0x80 [ 314.759426] ? dequeue_entity+0x1770/0x1770 [ 314.763736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.769678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.775744] ? kasan_check_write+0x14/0x20 [ 314.779969] ? finish_task_switch+0x2f5/0x900 [ 314.784455] ? __switch_to_asm+0x40/0x70 [ 314.788507] ? preempt_notifier_register+0x200/0x200 [ 314.793598] ? __switch_to_asm+0x34/0x70 [ 314.797652] ? __switch_to_asm+0x40/0x70 [ 314.801699] ? __switch_to_asm+0x34/0x70 [ 314.805751] ? __switch_to_asm+0x40/0x70 [ 314.810292] ? __switch_to_asm+0x34/0x70 [ 314.814340] ? __switch_to_asm+0x40/0x70 [ 314.818396] ? pvclock_read_flags+0x160/0x160 [ 314.823374] ? __schedule+0x874/0x1ed0 [ 314.827251] ? run_rebalance_domains+0x38d/0x500 [ 314.831997] ? trace_hardirqs_on+0xbd/0x310 [ 314.836310] ? kvm_sched_clock_read+0x9/0x20 [ 314.841152] ? run_ksoftirqd+0x94/0x100 [ 314.845122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.850654] ? check_preemption_disabled+0x48/0x200 [ 314.855663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.861195] run_timer_softirq+0x52/0xb0 [ 314.865253] ? __this_cpu_preempt_check+0x1c/0x1f [ 314.872650] __do_softirq+0x30b/0xad8 [ 314.876722] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.881818] ? trace_hardirqs_off+0xb8/0x310 [ 314.886222] ? schedule+0x108/0x460 [ 314.889841] ? __schedule+0x1ed0/0x1ed0 [ 314.893806] ? run_ksoftirqd+0x99/0x100 [ 314.897770] ? trace_hardirqs_off+0xb8/0x310 [ 314.902167] ? ___might_sleep+0x1ed/0x300 [ 314.906303] ? smpboot_thread_fn+0x68b/0xa00 [ 314.911151] ? trace_hardirqs_on+0x310/0x310 [ 314.915559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.921090] ? check_preemption_disabled+0x48/0x200 [ 314.926111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.931645] ? takeover_tasklets+0xa90/0xa90 [ 314.936046] run_ksoftirqd+0x94/0x100 [ 314.939835] smpboot_thread_fn+0x68b/0xa00 [ 314.944062] ? sort_range+0x30/0x30 [ 314.947679] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.952776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.958301] ? __kthread_parkme+0xfb/0x1a0 [ 314.962526] kthread+0x35a/0x420 [ 314.965883] ? sort_range+0x30/0x30 [ 314.969937] ? kthread_bind+0x40/0x40 [ 314.973727] ret_from_fork+0x3a/0x50 [ 314.977444] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 314.977466] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 314.984710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.990921] Call Trace: [ 315.000786] rcu: 0-...!: (1 GPs behind) idle=c7a/1/0x4000000000000002 softirq=14056/14057 fqs=223 [ 315.003337] [ 315.012493] rcu: (detected by 1, t=10596 jiffies, g=17125, q=11) [ 315.014636] dump_stack+0x1c4/0x2b4 [ 315.014653] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.020869] Sending NMI from CPU 1 to CPUs 0: [ 315.024480] warn_alloc.cold.119+0xb7/0x1bd [ 315.031640] NMI backtrace for cpu 0 [ 315.031645] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 315.031652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.031656] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x15/0x20 [ 315.031667] Code: 00 48 89 e5 48 8b 4d 08 e8 c8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 [ 315.031671] RSP: 0000:ffff8801dae06268 EFLAGS: 00000006 [ 315.031679] RAX: ffff8801b9e6e440 RBX: 0000000000000025 RCX: ffffffff87ac7819 [ 315.031684] RDX: 0000000000000025 RSI: 0000000000000025 RDI: 0000000000000001 [ 315.031689] RBP: ffff8801dae06268 R08: ffff8801b9e6e440 R09: fffffbfff15d36e4 [ 315.031694] R10: fffffbfff15d36e4 R11: ffffffff8ae9b720 R12: ffffffff880bdf21 [ 315.031700] R13: ffff8801dae06398 R14: ffff8801dae062f8 R15: ffffffff880bdf21 [ 315.031705] FS: 00007ff2b4573700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 315.031710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 315.031715] CR2: 00007f484b2e7e40 CR3: 00000001c4487000 CR4: 00000000001406f0 [ 315.031720] DR0: 0000000000000000 DR1: 0000000020000080 DR2: 0000000000000000 [ 315.031725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 [ 315.031728] Call Trace: [ 315.031730] [ 315.031734] format_decode+0x129/0xaf0 [ 315.031737] ? set_precision+0xe0/0xe0 [ 315.031741] ? mark_held_locks+0x130/0x130 [ 315.031744] vsnprintf+0x185/0x1b60 [ 315.031748] ? pointer+0x990/0x990 [ 315.031751] sprintf+0xb0/0xe0 [ 315.031754] ? scnprintf+0x130/0x130 [ 315.031757] print_prefix+0x26a/0x3f0 [ 315.031761] msg_print_text+0xcc/0x1d0 [ 315.031764] console_unlock+0x4d6/0x1160 [ 315.031768] ? devkmsg_read+0xbb0/0xbb0 [ 315.031771] ? lock_release+0x970/0x970 [ 315.031775] ? trace_hardirqs_off+0xb8/0x310 [ 315.031779] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 315.031782] ? trace_hardirqs_on+0x310/0x310 [ 315.031786] ? kasan_check_write+0x14/0x20 [ 315.031790] ? do_raw_spin_lock+0xc1/0x200 [ 315.031793] vprintk_emit+0x33d/0x930 [ 315.031797] ? wake_up_klogd+0x180/0x180 [ 315.031801] ? __sanitizer_cov_trace_cmp2+0x1/0x20 [ 315.031804] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 315.031808] ? is_bpf_text_address+0xac/0x170 [ 315.031812] ? lock_downgrade+0x900/0x900 [ 315.031815] vprintk_default+0x28/0x30 [ 315.031819] vprintk_func+0x7e/0x181 [ 315.031822] ? unwind_dump+0x190/0x190 [ 315.031825] printk+0xa7/0xcf [ 315.031829] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 315.031833] ? is_bpf_text_address+0xd3/0x170 [ 315.031836] ? warn_alloc.cold.119+0xb7/0x1bd [ 315.031840] show_trace_log_lvl+0x23a/0x28c [ 315.031844] ? warn_alloc.cold.119+0xb7/0x1bd [ 315.031847] ? warn_alloc.cold.119+0xb7/0x1bd [ 315.031851] show_stack+0x38/0x3a [ 315.031854] dump_stack+0x1c4/0x2b4 [ 315.031858] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.031862] warn_alloc.cold.119+0xb7/0x1bd [ 315.031866] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.031869] ? lock_downgrade+0x900/0x900 [ 315.031873] ? trace_hardirqs_off+0xb8/0x310 [ 315.031877] ? trace_hardirqs_off+0xb8/0x310 [ 315.031881] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.031885] ? warn_alloc+0x120/0x120 [ 315.031888] ? warn_alloc+0x120/0x120 [ 315.031891] ? warn_alloc+0x120/0x120 [ 315.031895] ? lock_release+0x970/0x970 [ 315.031899] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.031903] ? trace_hardirqs_on+0x310/0x310 [ 315.031907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.031911] ? should_fail+0x22d/0xd01 [ 315.031915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.031919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.031922] ? should_fail+0x22d/0xd01 [ 315.031926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.031930] ? should_fail+0x22d/0xd01 [ 315.031934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.031937] ? mark_held_locks+0x130/0x130 [ 315.031941] ? mark_held_locks+0x130/0x130 [ 315.031945] ? kvm_clock_read+0x18/0x30 [ 315.031949] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.031952] ? ktime_get+0x2e1/0x440 [ 315.031956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.031961] ? check_preemption_disabled+0x48/0x200 [ 315.031964] ? kasan_check_read+0x11/0x20 [ 315.031968] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.031972] ? rcu_bh_qs+0xc0/0xc0 [ 315.031976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.031980] ? check_preemption_disabled+0x48/0x200 [ 315.031984] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.031988] ? widen_string+0xe0/0x2e0 [ 315.031991] __alloc_pages_nodemask+0xa80/0xde0 [ 315.031995] ? should_fail+0x22d/0xd01 [ 315.031999] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.032003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.032006] ? lock_downgrade+0x900/0x900 [ 315.032010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032014] cache_grow_begin+0x91/0x8c0 [ 315.032018] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.032021] fallback_alloc+0x203/0x2e0 [ 315.032025] ____cache_alloc_node+0x1c7/0x1e0 [ 315.032029] kmem_cache_alloc_node+0xe3/0x730 [ 315.032032] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.032036] __alloc_skb+0x119/0x770 [ 315.032039] ? skb_scrub_packet+0x490/0x490 [ 315.032043] ? lock_downgrade+0x900/0x900 [ 315.032047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032051] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.032055] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.032059] ? addrconf_rs_timer+0x690/0x690 [ 315.032063] ndisc_alloc_skb+0x144/0x340 [ 315.032066] ndisc_send_rs+0x331/0x6e0 [ 315.032070] addrconf_rs_timer+0x314/0x690 [ 315.032073] ? neigh_invalidate+0x550/0x550 [ 315.032077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.032080] call_timer_fn+0x272/0x920 [ 315.032084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.032087] ? process_timeout+0x40/0x40 [ 315.032098] ? trace_hardirqs_off+0xb8/0x310 [ 315.032101] ? kasan_check_read+0x11/0x20 [ 315.032105] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.032109] ? trace_hardirqs_on+0x310/0x310 [ 315.032112] ? __run_timers+0x7da/0xc70 [ 315.032116] ? lock_downgrade+0x900/0x900 [ 315.032119] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.032123] ? trace_hardirqs_on+0xbd/0x310 [ 315.032127] ? kasan_check_read+0x11/0x20 [ 315.032130] ? __run_timers+0x7da/0xc70 [ 315.032134] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.032138] ? kasan_check_write+0x14/0x20 [ 315.032142] ? do_raw_spin_lock+0xc1/0x200 [ 315.032146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.032149] __run_timers+0x7e5/0xc70 [ 315.032153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.032157] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.032161] ? timerqueue_add+0x207/0x2b0 [ 315.032164] ? enqueue_hrtimer+0x1a5/0x560 [ 315.032168] ? lock_release+0x970/0x970 [ 315.032172] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.032176] ? kasan_check_write+0x14/0x20 [ 315.032179] ? pvclock_read_flags+0x160/0x160 [ 315.032183] ? lock_downgrade+0x900/0x900 [ 315.032186] ? trace_hardirqs_on+0xbd/0x310 [ 315.032190] ? kvm_sched_clock_read+0x9/0x20 [ 315.032193] ? irq_exit+0x17f/0x1c0 [ 315.032197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032202] ? check_preemption_disabled+0x48/0x200 [ 315.032206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032210] run_timer_softirq+0x52/0xb0 [ 315.032214] ? __this_cpu_preempt_check+0x1c/0x1f [ 315.032217] __do_softirq+0x30b/0xad8 [ 315.032221] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.032226] ? pvclock_read_flags+0x160/0x160 [ 315.032230] ? lapic_next_event+0x5a/0x90 [ 315.032234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032238] ? clockevents_program_event+0x140/0x370 [ 315.032241] ? kvm_clock_read+0x18/0x30 [ 315.032245] ? kvm_sched_clock_read+0x9/0x20 [ 315.032249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032254] ? check_preemption_disabled+0x48/0x200 [ 315.032257] irq_exit+0x17f/0x1c0 [ 315.032261] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.032265] ? smp_reschedule_interrupt+0x109/0x650 [ 315.032269] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.032272] ? interrupt_entry+0xb5/0xf0 [ 315.032277] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.032281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.032285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.032289] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.032293] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.032297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032301] ? check_preemption_disabled+0x48/0x200 [ 315.032305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.032309] apic_timer_interrupt+0xf/0x20 [ 315.032311] [ 315.032315] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.032326] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 315.032330] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 315.032339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 315.032344] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 315.032349] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 315.032354] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 315.032360] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 315.032363] ? trace_hardirqs_on+0xb4/0x310 [ 315.032368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.032371] skb_clone+0x1bb/0x500 [ 315.032375] ? finish_task_switch+0x2f5/0x900 [ 315.032378] ? skb_split+0x11e0/0x11e0 [ 315.032382] ? preempt_notifier_register+0x200/0x200 [ 315.032386] ? __switch_to_asm+0x34/0x70 [ 315.032389] ? __switch_to_asm+0x34/0x70 [ 315.032393] ? __switch_to_asm+0x40/0x70 [ 315.032397] ? __switch_to_asm+0x34/0x70 [ 315.032400] ? __switch_to_asm+0x40/0x70 [ 315.032404] ? __switch_to_asm+0x34/0x70 [ 315.032407] ? __switch_to_asm+0x40/0x70 [ 315.032411] ? __switch_to_asm+0x34/0x70 [ 315.032414] ? __switch_to_asm+0x34/0x70 [ 315.032418] ? __switch_to_asm+0x40/0x70 [ 315.032421] ? __switch_to_asm+0x34/0x70 [ 315.032425] bpf_clone_redirect+0xb9/0x490 [ 315.032428] ? __schedule+0x874/0x1ed0 [ 315.032432] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 315.032436] ? __sched_text_start+0x8/0x8 [ 315.032440] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.032444] ? retint_kernel+0x2d/0x2d [ 315.032447] ? lock_acquire+0x1ed/0x520 [ 315.032451] ? bpf_test_run+0x32e/0x5a0 [ 315.032454] ? lock_release+0x970/0x970 [ 315.032458] ? preempt_schedule+0x4d/0x60 [ 315.032460] ? pre [ 315.032466] Lost 24 message(s)! [ 315.032482] rcu: rcu_preempt kthread starved for 9190 jiffies! g17125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 315.036006] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.040801] rcu: RCU grace-period kthread stack dump: [ 315.044408] ? lock_downgrade+0x900/0x900 [ 315.044418] ? trace_hardirqs_off+0xb8/0x310 [ 315.044439] ? trace_hardirqs_off+0xb8/0x310 [ 315.044451] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.044466] ? warn_alloc+0x120/0x120 [ 315.044475] ? warn_alloc+0x120/0x120 [ 315.044484] ? warn_alloc+0x120/0x120 [ 315.044490] ? lock_release+0x970/0x970 [ 315.044498] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.044506] ? trace_hardirqs_on+0x310/0x310 [ 315.044515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.044533] ? should_fail+0x22d/0xd01 [ 315.044543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.044550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.044558] ? should_fail+0x22d/0xd01 [ 315.044567] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.044574] ? should_fail+0x22d/0xd01 [ 315.044583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.044591] ? mark_held_locks+0x130/0x130 [ 315.044600] ? mark_held_locks+0x130/0x130 [ 315.044607] ? kvm_clock_read+0x18/0x30 [ 315.044627] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.044634] ? ktime_get+0x2e1/0x440 [ 315.044642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.044650] ? check_preemption_disabled+0x48/0x200 [ 315.044658] ? kasan_check_read+0x11/0x20 [ 315.044667] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.044675] ? rcu_bh_qs+0xc0/0xc0 [ 315.044683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.044691] ? check_preemption_disabled+0x48/0x200 [ 315.044698] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.044704] ? widen_string+0xe0/0x2e0 [ 315.044727] __alloc_pages_nodemask+0xa80/0xde0 [ 315.044734] ? should_fail+0x22d/0xd01 [ 315.044743] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.044758] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.044765] ? lock_downgrade+0x900/0x900 [ 315.044775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.044784] cache_grow_begin+0x91/0x8c0 [ 315.044792] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.044802] fallback_alloc+0x203/0x2e0 [ 315.044823] ____cache_alloc_node+0x1c7/0x1e0 [ 315.044832] kmem_cache_alloc_node+0xe3/0x730 [ 315.044840] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.044850] __alloc_skb+0x119/0x770 [ 315.044858] ? skb_scrub_packet+0x490/0x490 [ 315.044865] ? lock_downgrade+0x900/0x900 [ 315.044875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.044882] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.044891] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.044911] ? addrconf_rs_timer+0x690/0x690 [ 315.044922] ndisc_alloc_skb+0x144/0x340 [ 315.044931] ndisc_send_rs+0x331/0x6e0 [ 315.044940] addrconf_rs_timer+0x314/0x690 [ 315.044948] ? neigh_invalidate+0x550/0x550 [ 315.044957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.044968] call_timer_fn+0x272/0x920 [ 315.044975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.044983] ? process_timeout+0x40/0x40 [ 315.045003] ? trace_hardirqs_off+0xb8/0x310 [ 315.045009] ? kasan_check_read+0x11/0x20 [ 315.045017] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.045024] ? trace_hardirqs_on+0x310/0x310 [ 315.045033] ? __run_timers+0x7da/0xc70 [ 315.045040] ? lock_downgrade+0x900/0x900 [ 315.045049] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.045056] ? trace_hardirqs_on+0xbd/0x310 [ 315.045062] ? kasan_check_read+0x11/0x20 [ 315.045070] ? __run_timers+0x7da/0xc70 [ 315.045078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.045104] ? kasan_check_write+0x14/0x20 [ 315.045124] ? do_raw_spin_lock+0xc1/0x200 [ 315.052832] rcu_preempt R [ 315.062177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.068288] running task [ 315.087176] __run_timers+0x7e5/0xc70 [ 315.092527] 23272 10 2 0x80000000 [ 315.099815] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.107053] Call Trace: [ 315.114444] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.114455] ? timerqueue_add+0x207/0x2b0 [ 315.114464] ? enqueue_hrtimer+0x1a5/0x560 [ 315.114471] ? lock_release+0x970/0x970 [ 315.114499] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.114508] ? kasan_check_write+0x14/0x20 [ 315.114518] ? pvclock_read_flags+0x160/0x160 [ 315.114526] ? lock_downgrade+0x900/0x900 [ 315.114536] ? trace_hardirqs_on+0xbd/0x310 [ 315.114556] ? kvm_sched_clock_read+0x9/0x20 [ 315.114564] ? irq_exit+0x17f/0x1c0 [ 315.114572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.114592] ? check_preemption_disabled+0x48/0x200 [ 315.114600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.114610] run_timer_softirq+0x52/0xb0 [ 315.114622] ? __this_cpu_preempt_check+0x1c/0x1f [ 315.114657] __do_softirq+0x30b/0xad8 [ 315.124864] __schedule+0x86c/0x1ed0 [ 315.132121] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.140426] ? __sched_text_start+0x8/0x8 [ 315.146294] ? pvclock_read_flags+0x160/0x160 [ 315.153543] ? __mod_timer+0x6f6/0x1870 [ 315.160794] ? lapic_next_event+0x5a/0x90 [ 315.168045] ? add_timer_on+0x9f0/0x9f0 [ 315.170607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.172735] ? lock_downgrade+0x900/0x900 [ 315.176601] ? clockevents_program_event+0x140/0x370 [ 315.180471] ? trace_hardirqs_on+0xbd/0x310 [ 315.184685] ? kvm_clock_read+0x18/0x30 [ 315.188288] ? kasan_check_read+0x11/0x20 [ 315.191806] ? kvm_sched_clock_read+0x9/0x20 [ 315.194974] ? prepare_to_swait_event+0x25a/0x800 [ 315.198665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.202441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.206304] ? check_preemption_disabled+0x48/0x200 [ 315.210344] schedule+0xfe/0x460 [ 315.214297] irq_exit+0x17f/0x1c0 [ 315.218248] ? __schedule+0x1ed0/0x1ed0 [ 315.222632] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.227190] ? prepare_to_swait_event+0x25a/0x800 [ 315.231572] ? smp_reschedule_interrupt+0x109/0x650 [ 315.235785] ? __init_swait_queue_head+0x150/0x150 [ 315.239995] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.243772] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.247806] ? interrupt_entry+0xb5/0xf0 [ 315.252710] ? __lockdep_init_map+0x105/0x590 [ 315.257441] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.261926] ? lockdep_init_map+0x9/0x10 [ 315.266053] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.269913] schedule_timeout+0x140/0x260 [ 315.273604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.277902] ? usleep_range+0x1a0/0x1a0 [ 315.281002] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.286175] ? __next_timer_interrupt+0x1a0/0x1a0 [ 315.290645] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.295119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.299420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.303893] rcu_gp_kthread+0x9d9/0x2310 [ 315.308367] ? check_preemption_disabled+0x48/0x200 [ 315.311805] ? rcu_gp_init+0x1830/0x1830 [ 315.315403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.320577] ? update_curr+0x344/0xbe0 [ 315.324876] apic_timer_interrupt+0xf/0x20 [ 315.329691] ? graph_lock+0x170/0x170 [ 315.333810] [ 315.338196] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.342593] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.347411] ? __lock_acquire+0x7ec/0x4ec0 [ 315.351194] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 315.354971] ? graph_lock+0x170/0x170 [ 315.358741] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 [ 315.362700] ? mark_held_locks+0x130/0x130 [ 315.367856] ORIG_RAX: ffffffffffffff13 [ 315.372248] ? __lock_is_held+0xb5/0x140 [ 315.377758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 315.381848] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.386921] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 315.392446] ? set_next_entity+0x2f0/0xaf0 [ 315.396308] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 315.401390] ? mark_held_locks+0x130/0x130 [ 315.405247] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 315.410328] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.414535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 315.418752] ? update_load_avg+0x2470/0x2470 [ 315.422702] ? trace_hardirqs_on+0xb4/0x310 [ 315.427695] ? __enqueue_entity+0x10d/0x1f0 [ 315.431386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.436898] ? graph_lock+0x170/0x170 [ 315.441890] skb_clone+0x1bb/0x500 [ 315.446012] ? match_held_lock+0x291/0x8d0 [ 315.452161] ? finish_task_switch+0x2f5/0x900 [ 315.455676] ? graph_lock+0x170/0x170 [ 315.461192] ? skb_split+0x11e0/0x11e0 [ 315.468638] ? match_held_lock+0x290/0x8d0 [ 315.473651] ? preempt_notifier_register+0x200/0x200 [ 315.477692] ? match_held_lock+0x290/0x8d0 [ 315.482338] ? __switch_to_asm+0x34/0x70 [ 315.486203] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.491195] ? __switch_to_asm+0x34/0x70 [ 315.495849] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.499980] ? __switch_to_asm+0x40/0x70 [ 315.505493] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.509528] ? __switch_to_asm+0x34/0x70 [ 315.513915] ? trace_hardirqs_on+0xbd/0x310 [ 315.517865] ? __switch_to_asm+0x40/0x70 [ 315.522335] ? kasan_check_read+0x11/0x20 [ 315.526810] ? __switch_to_asm+0x34/0x70 [ 315.531329] ? mark_held_locks+0x130/0x130 [ 315.535027] ? __switch_to_asm+0x40/0x70 [ 315.539324] ? audit_add_watch+0x481/0xdc0 [ 315.543457] ? __switch_to_asm+0x34/0x70 [ 315.548973] ? kasan_check_write+0x14/0x20 [ 315.554415] ? __switch_to_asm+0x34/0x70 [ 315.559841] ? finish_task_switch+0x2f5/0x900 [ 315.564292] ? __switch_to_asm+0x40/0x70 [ 315.564306] ? __switch_to_asm+0x34/0x70 [ 315.568347] ? __switch_to_asm+0x40/0x70 [ 315.572217] bpf_clone_redirect+0xb9/0x490 [ 315.576427] ? preempt_notifier_register+0x200/0x200 [ 315.580724] ? __schedule+0x874/0x1ed0 [ 315.584933] ? __switch_to_asm+0x34/0x70 [ 315.588799] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 315.593007] ? __switch_to_asm+0x34/0x70 [ 315.597058] ? __sched_text_start+0x8/0x8 [ 315.601439] ? __switch_to_asm+0x40/0x70 [ 315.605567] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.609952] ? __switch_to_asm+0x40/0x70 [ 315.614337] ? retint_kernel+0x2d/0x2d [ 315.618289] ? __switch_to_asm+0x34/0x70 [ 315.622417] ? lock_acquire+0x1ed/0x520 [ 315.627493] ? __switch_to_asm+0x40/0x70 [ 315.631790] ? bpf_test_run+0x32e/0x5a0 [ 315.635913] ? __switch_to_asm+0x34/0x70 [ 315.639864] ? lock_release+0x970/0x970 [ 315.645300] ? __switch_to_asm+0x34/0x70 [ 315.649509] ? preempt_schedule+0x4d/0x60 [ 315.653719] ? __switch_to_asm+0x40/0x70 [ 315.658037] ? preempt_schedule_common+0x1f/0xd0 [ 315.661816] ? __switch_to_asm+0x40/0x70 [ 315.667160] ? preempt_schedule+0x4d/0x60 [ 315.672163] ? __switch_to_asm+0x34/0x70 [ 315.676291] ? ___preempt_schedule+0x16/0x18 [ 315.680503] ? __switch_to_asm+0x40/0x70 [ 315.684457] ? bpf_test_run+0x1c0/0x5a0 [ 315.689623] ? __schedule+0x874/0x1ed0 [ 315.693837] ? netlink_diag_dump+0x2a0/0x2a0 [ 315.700063] ? __switch_to_asm+0x40/0x70 [ 315.700087] ? __switch_to_asm+0x40/0x70 [ 315.700103] ? graph_lock+0x170/0x170 [ 315.704234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.709177] ? __sched_text_start+0x8/0x8 [ 315.713554] ? bpf_test_init.isra.9+0x70/0x100 [ 315.713573] ? bpf_prog_test_run_skb+0x634/0xb40 [ 315.717178] ? find_held_lock+0x36/0x1c0 [ 315.722690] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.727685] ? __kthread_parkme+0xce/0x1a0 [ 315.733199] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.737235] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.742077] ? fput+0x130/0x1a0 [ 315.745855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.750945] ? __bpf_prog_get+0x9b/0x290 [ 315.755417] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.759541] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.765062] ? trace_hardirqs_on+0xbd/0x310 [ 315.770253] ? bpf_prog_test_run+0x130/0x1a0 [ 315.774686] ? kasan_check_read+0x11/0x20 [ 315.779078] ? __x64_sys_bpf+0x3d8/0x510 [ 315.784592] ? __kthread_parkme+0xce/0x1a0 [ 315.789580] ? bpf_prog_get+0x20/0x20 [ 315.793010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.797832] ? do_syscall_64+0x1b9/0x820 [ 315.802819] ? kasan_check_write+0x14/0x20 [ 315.808679] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.812714] ? do_raw_spin_lock+0xc1/0x200 [ 315.817705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.822694] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.827512] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.832503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.837491] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 315.837507] ? recalc_sigpending_tsk+0x180/0x180 [ 315.843028] ? __kthread_parkme+0xfb/0x1a0 [ 315.848017] ? kasan_check_write+0x14/0x20 [ 315.852843] kthread+0x35a/0x420 [ 315.857062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.859274] ? rcu_gp_init+0x1830/0x1830 [ 315.864178] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.883062] ? kthread_bind+0x40/0x40 [ 315.890750] warn_alloc_show_mem: 1 callbacks suppressed [ 315.890755] Mem-Info: [ 315.897998] ret_from_fork+0x3a/0x50 [ 315.905262] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 315.905262] active_file:16 inactive_file:17 isolated_file:0 [ 315.905262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.905262] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 315.905262] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 315.905262] free:13792 free_pcp:309 free_cma:0 [ 315.912571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.919765] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 315.927072] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.931307] Node 0 [ 315.937275] ksoftirqd/1 cpuset= [ 315.940813] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.945259] / [ 315.949133] lowmem_reserve[]: [ 315.954213] mems_allowed=0 [ 315.958248] 0 [ 315.962292] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 315.966322] 2819 [ 315.970360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.974393] 6323 [ 315.978428] Call Trace: [ 315.982463] 6323 [ 315.986513] dump_stack+0x1c4/0x2b4 [ 315.995023] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.999050] Node 0 [ 316.003272] ? isolate_lru_page+0x22e0/0x22e0 [ 316.007151] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 316.012044] warn_alloc.cold.119+0xb7/0x1bd [ 316.016159] lowmem_reserve[]: [ 316.020900] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.024754] 0 [ 316.028711] ? lock_downgrade+0x900/0x900 [ 316.032651] 0 [ 316.037112] ? trace_hardirqs_off+0xb8/0x310 [ 316.041225] 3503 [ 316.043358] ? trace_hardirqs_off+0xb8/0x310 [ 316.046606] 3503 [ 316.056988] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.066989] ? mark_held_locks+0x130/0x130 [ 316.071095] Node 0 [ 316.075489] ? warn_alloc+0x120/0x120 [ 316.079891] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 316.084695] ? warn_alloc+0x120/0x120 [ 316.088462] lowmem_reserve[]: [ 316.092248] ? warn_alloc+0x120/0x120 [ 316.096026] 0 [ 316.099989] ? mark_held_locks+0x130/0x130 [ 316.105587] 0 [ 316.109990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.115488] 0 [ 316.120240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.120256] ? should_fail+0x22d/0xd01 [ 316.125325] 0 [ 316.130859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.134713] Node 0 [ 316.139797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.143653] DMA: [ 316.148738] ? should_fail+0x22d/0xd01 [ 316.152940] 1*4kB [ 316.157158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.161096] (U) [ 316.166097] ? should_fail+0x22d/0xd01 [ 316.169790] 0*8kB [ 316.175924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.180923] 0*16kB 1*32kB [ 316.185067] ? mark_held_locks+0x130/0x130 [ 316.190320] (U) [ 316.193848] ? mark_held_locks+0x130/0x130 [ 316.199350] 2*64kB (U) [ 316.204830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.209812] 1*128kB [ 316.213681] ? trace_hardirqs_off+0xb8/0x310 [ 316.218317] (U) [ 316.222186] ? kasan_check_read+0x11/0x20 [ 316.227175] 1*256kB (U) [ 316.231850] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.235963] 0*512kB [ 316.241949] ? trace_hardirqs_on+0x310/0x310 [ 316.245999] 1*1024kB [ 316.250384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.250398] ? wq_watchdog_touch+0x9c/0xfe [ 316.254342] (U) [ 316.258822] ? io_serial_in+0x11/0x90 [ 316.263282] 1*2048kB [ 316.267498] ? retint_kernel+0x2d/0x2d [ 316.271178] (M) [ 316.275977] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.280099] 3*4096kB [ 316.285637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.291058] (M) [ 316.296507] ? trace_hardirqs_off+0x310/0x310 [ 316.300879] = 15908kB [ 316.300886] Node 0 [ 316.304929] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.308791] DMA32: [ 316.313017] __alloc_pages_nodemask+0xa80/0xde0 [ 316.317310] 6*4kB [ 316.322005] ? should_fail+0x22d/0xd01 [ 316.325859] (UME) [ 316.330083] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.334109] 2*8kB [ 316.338514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.342616] (UE) [ 316.347016] ? lock_downgrade+0x900/0x900 [ 316.351395] 4*16kB [ 316.355352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.359461] (UME) 4*32kB [ 316.364554] cache_grow_begin+0x91/0x8c0 [ 316.368844] (UME) [ 316.372995] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.376936] 5*64kB [ 316.382371] fallback_alloc+0x203/0x2e0 [ 316.386576] (ME) [ 316.390805] ____cache_alloc_node+0x1c7/0x1e0 [ 316.393880] 5*128kB [ 316.398095] kmem_cache_alloc_node+0xe3/0x730 [ 316.401254] (UME) [ 316.405546] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.409663] 4*256kB [ 316.415016] __alloc_skb+0x119/0x770 [ 316.417568] (ME) [ 316.422570] ? skb_scrub_packet+0x490/0x490 [ 316.426687] 5*512kB [ 316.430904] ? lock_downgrade+0x900/0x900 [ 316.434844] (UME) [ 316.440021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.444217] 4*1024kB (UME) [ 316.453018] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.457137] 2*2048kB [ 316.462289] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.466679] (ME) [ 316.470291] ? addrconf_rs_timer+0x690/0x690 [ 316.475792] 3*4096kB [ 316.480793] ndisc_alloc_skb+0x144/0x340 [ 316.486294] (M) [ 316.490344] ndisc_send_rs+0x331/0x6e0 [ 316.495156] = 25256kB [ 316.498939] addrconf_rs_timer+0x314/0x690 [ 316.502619] Node 0 [ 316.507712] ? lock_release+0x970/0x970 [ 316.511824] Normal: 1063*4kB [ 316.516487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.520431] (UMEH) [ 316.524569] call_timer_fn+0x272/0x920 [ 316.528506] 420*8kB (UME) [ 316.534032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.538141] 170*16kB (UMEH) [ 316.543249] ? process_timeout+0x40/0x40 [ 316.547538] 65*32kB [ 316.551984] ? kasan_check_read+0x11/0x20 [ 316.556106] (UME) [ 316.560501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.565444] 9*64kB [ 316.571450] ? trace_hardirqs_on+0x310/0x310 [ 316.576869] (UM) [ 316.581868] ? __run_timers+0x7da/0xc70 [ 316.585198] 0*128kB 0*256kB [ 316.588640] ? lock_downgrade+0x900/0x900 [ 316.592582] 0*512kB [ 316.597412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.602218] 1*1024kB (H) [ 316.607226] ? trace_hardirqs_on+0xbd/0x310 [ 316.612123] 0*2048kB [ 316.617997] ? kasan_check_read+0x11/0x20 [ 316.623070] 0*4096kB [ 316.627519] ? __run_timers+0x7da/0xc70 [ 316.631978] = 14012kB [ 316.631993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.636996] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.641033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.646025] ? kasan_check_write+0x14/0x20 [ 316.650140] 4986 total pagecache pages [ 316.655295] ? do_raw_spin_lock+0xc1/0x200 [ 316.659236] 0 pages in swap cache [ 316.664235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.669047] Swap cache stats: add 0, delete 0, find 0/0 [ 316.674043] __run_timers+0x7e5/0xc70 [ 316.679546] Free swap = 0kB [ 316.685070] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.689094] Total swap = 0kB [ 316.694091] ? compat_start_thread+0x80/0x80 [ 316.698121] 1965979 pages RAM [ 316.702943] ? dequeue_entity+0x1770/0x1770 [ 316.706803] 0 pages HighMem/MovableOnly [ 316.706810] 342307 pages reserved [ 316.711040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.714806] 0 pages cma reserved [ 316.717025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.722021] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.877 msecs [ 316.726920] ? kasan_check_write+0x14/0x20 [ 316.731170] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.750016] ? finish_task_switch+0x2f5/0x900 [ 316.750027] ? __switch_to_asm+0x40/0x70 [ 316.750042] ? preempt_notifier_register+0x200/0x200 [ 316.753872] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.759165] ? __switch_to_asm+0x34/0x70 [ 316.763367] syz-executor4 cpuset= [ 316.769305] ? __switch_to_asm+0x40/0x70 [ 316.773350] syz4 [ 316.780605] ? __switch_to_asm+0x34/0x70 [ 316.785591] mems_allowed=0 [ 316.792855] ? __switch_to_asm+0x40/0x70 [ 318.163108] ? __switch_to_asm+0x34/0x70 [ 318.167156] ? __switch_to_asm+0x40/0x70 [ 318.171216] ? pvclock_read_flags+0x160/0x160 [ 318.175713] ? __schedule+0x874/0x1ed0 [ 318.179593] ? run_rebalance_domains+0x38d/0x500 [ 318.184796] ? trace_hardirqs_on+0xbd/0x310 [ 318.189664] ? kvm_sched_clock_read+0x9/0x20 [ 318.194067] ? run_ksoftirqd+0x94/0x100 [ 318.198036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.203566] ? check_preemption_disabled+0x48/0x200 [ 318.208582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.214115] run_timer_softirq+0x52/0xb0 [ 318.218172] ? __this_cpu_preempt_check+0x1c/0x1f [ 318.223005] __do_softirq+0x30b/0xad8 [ 318.226806] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.231927] ? trace_hardirqs_off+0xb8/0x310 [ 318.236334] ? schedule+0x108/0x460 [ 318.239958] ? __schedule+0x1ed0/0x1ed0 [ 318.243926] ? run_ksoftirqd+0x99/0x100 [ 318.247895] ? trace_hardirqs_off+0xb8/0x310 [ 318.252296] ? ___might_sleep+0x1ed/0x300 [ 318.256434] ? smpboot_thread_fn+0x68b/0xa00 [ 318.260842] ? trace_hardirqs_on+0x310/0x310 [ 318.265245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.270774] ? check_preemption_disabled+0x48/0x200 [ 318.276320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.281856] ? takeover_tasklets+0xa90/0xa90 [ 318.286760] run_ksoftirqd+0x94/0x100 [ 318.290554] smpboot_thread_fn+0x68b/0xa00 [ 318.295260] ? sort_range+0x30/0x30 [ 318.298882] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.303976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.309503] ? __kthread_parkme+0xfb/0x1a0 [ 318.313730] kthread+0x35a/0x420 [ 318.317086] ? sort_range+0x30/0x30 [ 318.320707] ? kthread_bind+0x40/0x40 [ 318.324502] ret_from_fork+0x3a/0x50 [ 318.328217] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 318.328266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.335481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.335485] Call Trace: [ 318.335490] [ 318.335506] dump_stack+0x1c4/0x2b4 [ 318.335522] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.342040] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.351349] warn_alloc.cold.119+0xb7/0x1bd [ 318.353902] ksoftirqd/1 cpuset= [ 318.356039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.359645] / [ 318.364828] ? lock_downgrade+0x900/0x900 [ 318.375624] mems_allowed=0 [ 318.379941] ? trace_hardirqs_off+0xb8/0x310 [ 318.401161] ? trace_hardirqs_off+0xb8/0x310 [ 318.405567] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.410416] ? warn_alloc+0x120/0x120 [ 318.414211] ? trace_hardirqs_on+0x310/0x310 [ 318.418613] ? warn_alloc+0x120/0x120 [ 318.422405] ? warn_alloc+0x120/0x120 [ 318.426196] ? ktime_get+0x2e1/0x440 [ 318.429903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.435435] ? check_preemption_disabled+0x48/0x200 [ 318.440441] ? kasan_check_read+0x11/0x20 [ 318.444578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.450110] ? should_fail+0x22d/0xd01 [ 318.453993] ? rcu_bh_qs+0xc0/0xc0 [ 318.457526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.462622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.468149] ? should_fail+0x22d/0xd01 [ 318.472028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.477121] ? should_fail+0x22d/0xd01 [ 318.481001] ? rcu_idle_enter+0x4b0/0x4b0 [ 318.485139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.490252] ? mark_held_locks+0x130/0x130 [ 318.494482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.500011] ? mark_held_locks+0x130/0x130 [ 318.504238] ? rcu_irq_exit+0xce/0x100 [ 318.508119] ? irq_exit+0xbd/0x1c0 [ 318.511654] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 318.516664] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.521067] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.526945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.532476] ? ret_from_intr+0xb/0x1e [ 318.536269] ? retint_kernel+0x2d/0x2d [ 318.540153] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.545093] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.549855] ? trace_hardirqs_off+0x310/0x310 [ 318.554347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.559469] __alloc_pages_nodemask+0xa80/0xde0 [ 318.564132] ? should_fail+0x22d/0xd01 [ 318.568018] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.573038] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.577843] ? lock_downgrade+0x900/0x900 [ 318.582037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.587575] cache_grow_begin+0x91/0x8c0 [ 318.591627] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.596031] fallback_alloc+0x203/0x2e0 [ 318.600002] ____cache_alloc_node+0x1c7/0x1e0 [ 318.604495] kmem_cache_alloc_node+0xe3/0x730 [ 318.608982] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.613216] __alloc_skb+0x119/0x770 [ 318.617010] ? skb_scrub_packet+0x490/0x490 [ 318.621320] ? lock_downgrade+0x900/0x900 [ 318.625465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.630996] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.636440] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.641883] ? addrconf_rs_timer+0x690/0x690 [ 318.646288] ndisc_alloc_skb+0x144/0x340 [ 318.650431] ndisc_send_rs+0x331/0x6e0 [ 318.654312] addrconf_rs_timer+0x314/0x690 [ 318.658546] ? neigh_invalidate+0x550/0x550 [ 318.662949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.667183] call_timer_fn+0x272/0x920 [ 318.671061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.675290] ? process_timeout+0x40/0x40 [ 318.679347] ? trace_hardirqs_off+0xb8/0x310 [ 318.683760] ? kasan_check_read+0x11/0x20 [ 318.687906] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.692305] ? trace_hardirqs_on+0x310/0x310 [ 318.696708] ? __run_timers+0x7da/0xc70 [ 318.700696] ? lock_downgrade+0x900/0x900 [ 318.704840] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.709932] ? trace_hardirqs_on+0xbd/0x310 [ 318.714245] ? kasan_check_read+0x11/0x20 [ 318.718384] ? __run_timers+0x7da/0xc70 [ 318.722352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.727797] ? kasan_check_write+0x14/0x20 [ 318.732027] ? do_raw_spin_lock+0xc1/0x200 [ 318.736257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.740484] __run_timers+0x7e5/0xc70 [ 318.744282] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.749638] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.754647] ? timerqueue_add+0x207/0x2b0 [ 318.758792] ? enqueue_hrtimer+0x1a5/0x560 [ 318.763021] ? lock_release+0x970/0x970 [ 318.766988] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.772172] ? kasan_check_write+0x14/0x20 [ 318.776403] ? pvclock_read_flags+0x160/0x160 [ 318.780891] ? lock_downgrade+0x900/0x900 [ 318.785035] ? trace_hardirqs_on+0xbd/0x310 [ 318.789346] ? kvm_sched_clock_read+0x9/0x20 [ 318.793745] ? irq_exit+0x17f/0x1c0 [ 318.797369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.802898] ? check_preemption_disabled+0x48/0x200 [ 318.807904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.813437] run_timer_softirq+0x52/0xb0 [ 318.817487] ? __this_cpu_preempt_check+0x1c/0x1f [ 318.822323] __do_softirq+0x30b/0xad8 [ 318.826136] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.831226] ? pvclock_read_flags+0x160/0x160 [ 318.835731] ? lapic_next_event+0x5a/0x90 [ 318.839897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.845427] ? clockevents_program_event+0x140/0x370 [ 318.850536] ? kvm_clock_read+0x18/0x30 [ 318.854501] ? kvm_sched_clock_read+0x9/0x20 [ 318.858899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.864432] ? check_preemption_disabled+0x48/0x200 [ 318.869444] irq_exit+0x17f/0x1c0 [ 318.872889] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.877721] ? smp_reschedule_interrupt+0x109/0x650 [ 318.882731] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.888604] ? interrupt_entry+0xb5/0xf0 [ 318.892655] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.897661] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.902670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.907504] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.912511] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.917518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.923045] ? check_preemption_disabled+0x48/0x200 [ 318.928056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.932904] apic_timer_interrupt+0xf/0x20 [ 318.937128] [ 318.939359] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 318.944280] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 318.963170] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.970871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 318.978131] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 318.985401] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 318.992662] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 318.999933] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 319.007205] ? trace_hardirqs_on+0xb4/0x310 [ 319.011526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.017058] skb_clone+0x1bb/0x500 [ 319.020588] ? finish_task_switch+0x2f5/0x900 [ 319.025072] ? skb_split+0x11e0/0x11e0 [ 319.028951] ? preempt_notifier_register+0x200/0x200 [ 319.034045] ? __switch_to_asm+0x34/0x70 [ 319.038096] ? __switch_to_asm+0x34/0x70 [ 319.042144] ? __switch_to_asm+0x40/0x70 [ 319.046194] ? __switch_to_asm+0x34/0x70 [ 319.050387] ? __switch_to_asm+0x40/0x70 [ 319.054460] ? __switch_to_asm+0x34/0x70 [ 319.058510] ? __switch_to_asm+0x40/0x70 [ 319.062673] ? __switch_to_asm+0x34/0x70 [ 319.066724] ? __switch_to_asm+0x34/0x70 [ 319.070787] ? __switch_to_asm+0x40/0x70 [ 319.074840] ? __switch_to_asm+0x34/0x70 [ 319.078899] bpf_clone_redirect+0xb9/0x490 [ 319.083129] ? __schedule+0x874/0x1ed0 [ 319.087012] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 319.091935] ? __sched_text_start+0x8/0x8 [ 319.096076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.100842] ? retint_kernel+0x2d/0x2d [ 319.105145] ? lock_acquire+0x1ed/0x520 [ 319.109104] ? bpf_test_run+0x32e/0x5a0 [ 319.113098] ? lock_release+0x970/0x970 [ 319.117061] ? preempt_schedule+0x4d/0x60 [ 319.121204] ? preempt_schedule_common+0x1f/0xd0 [ 319.125949] ? preempt_schedule+0x4d/0x60 [ 319.130089] ? ___preempt_schedule+0x16/0x18 [ 319.134492] ? bpf_test_run+0x1c0/0x5a0 [ 319.138463] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.142866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.148393] ? bpf_test_init.isra.9+0x70/0x100 [ 319.152967] ? bpf_prog_test_run_skb+0x634/0xb40 [ 319.157719] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.162563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.168088] ? fput+0x130/0x1a0 [ 319.171358] ? __bpf_prog_get+0x9b/0x290 [ 319.175423] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.180258] ? bpf_prog_test_run+0x130/0x1a0 [ 319.184661] ? __x64_sys_bpf+0x3d8/0x510 [ 319.188711] ? bpf_prog_get+0x20/0x20 [ 319.192519] ? do_syscall_64+0x1b9/0x820 [ 319.196572] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.201932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.206855] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.211866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.216876] ? recalc_sigpending_tsk+0x180/0x180 [ 319.221622] ? kasan_check_write+0x14/0x20 [ 319.225852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.230691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.236049] warn_alloc_show_mem: 1 callbacks suppressed [ 319.236058] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 319.236059] Mem-Info: [ 319.236086] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 319.236086] active_file:16 inactive_file:17 isolated_file:0 [ 319.236086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.236086] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 319.236086] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 319.236086] free:13792 free_pcp:309 free_cma:0 [ 319.241431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.248263] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.250652] Call Trace: [ 319.283691] Node 0 [ 319.293034] dump_stack+0x1c4/0x2b4 [ 319.320874] 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 [ 319.323431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.325636] lowmem_reserve[]: [ 319.329703] ? isolate_lru_page+0x22e0/0x22e0 [ 319.355196] 0 [ 319.360379] warn_alloc.cold.119+0xb7/0x1bd [ 319.363450] 2819 [ 319.367944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.369713] 6323 [ 319.374029] ? lock_downgrade+0x900/0x900 [ 319.376068] 6323 [ 319.380907] ? trace_hardirqs_off+0xb8/0x310 [ 319.389245] ? trace_hardirqs_off+0xb8/0x310 [ 319.391278] Node 0 [ 319.395677] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.400076] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 319.402298] ? mark_held_locks+0x130/0x130 [ 319.407104] lowmem_reserve[]: [ 319.434254] ? warn_alloc+0x120/0x120 [ 319.438456] 0 [ 319.441547] ? warn_alloc+0x120/0x120 [ 319.445321] 0 3503 [ 319.448116] ? warn_alloc+0x120/0x120 [ 319.451889] 3503 [ 319.454111] ? mark_held_locks+0x130/0x130 [ 319.460787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.464990] Node 0 [ 319.470509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.470541] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 319.473254] ? should_fail+0x22d/0xd01 [ 319.478758] lowmem_reserve[]: [ 319.507139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.510993] 0 [ 319.514097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.519164] 0 [ 319.520956] ? should_fail+0x22d/0xd01 [ 319.526470] 0 [ 319.528264] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.532119] 0 [ 319.533909] ? should_fail+0x22d/0xd01 [ 319.538998] Node 0 [ 319.540788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.544642] DMA: [ 319.546871] ? mark_held_locks+0x130/0x130 [ 319.551944] 1*4kB [ 319.553992] ? mark_held_locks+0x130/0x130 [ 319.558194] (U) [ 319.560333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.564535] 0*8kB [ 319.566497] ? trace_hardirqs_off+0xb8/0x310 [ 319.572007] 0*16kB 1*32kB [ 319.574364] ? kasan_check_read+0x11/0x20 [ 319.578745] (U) [ 319.582019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.586135] 2*64kB [ 319.588096] ? trace_hardirqs_on+0x310/0x310 [ 319.592472] (U) [ 319.594694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.599074] 1*128kB [ 319.601035] ? wq_watchdog_touch+0x9c/0xfe [ 319.606533] (U) 1*256kB [ 319.608848] ? io_serial_in+0x11/0x90 [ 319.613057] (U) [ 319.615722] ? retint_kernel+0x2d/0x2d [ 319.619496] 0*512kB [ 319.621587] ? trace_hardirqs_on_caller+0xc0/0x310 [ 319.625439] 1*1024kB (U) [ 319.627757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.632652] 1*2048kB [ 319.635880] ? trace_hardirqs_off+0x310/0x310 [ 319.640604] (M) [ 319.643001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.647465] 3*4096kB [ 319.649434] __alloc_pages_nodemask+0xa80/0xde0 [ 319.654517] (M) = 15908kB [ 319.656923] ? should_fail+0x22d/0xd01 [ 319.661557] Node 0 [ 319.664304] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.668161] DMA32: [ 319.670410] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.675387] 6*4kB [ 319.677607] ? lock_downgrade+0x900/0x900 [ 319.682246] (UME) [ 319.684385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.688515] 2*8kB [ 319.690664] cache_grow_begin+0x91/0x8c0 [ 319.696184] (UE) [ 319.698324] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.702348] 4*16kB (UME) [ 319.704408] fallback_alloc+0x203/0x2e0 [ 319.708791] 4*32kB (UME) [ 319.711541] ____cache_alloc_node+0x1c7/0x1e0 [ 319.715486] 5*64kB [ 319.718493] kmem_cache_alloc_node+0xe3/0x730 [ 319.722960] (ME) [ 319.725186] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.729642] 5*128kB (UME) [ 319.731710] __alloc_skb+0x119/0x770 [ 319.735910] 4*256kB [ 319.738740] ? skb_scrub_packet+0x490/0x490 [ 319.742418] (ME) 5*512kB [ 319.744732] ? lock_downgrade+0x900/0x900 [ 319.744749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.749037] (UME) [ 319.751780] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.755891] 4*1024kB (UME) [ 319.761430] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.763552] 2*2048kB [ 319.768992] ? addrconf_rs_timer+0x690/0x690 [ 319.771888] (ME) [ 319.777325] ndisc_alloc_skb+0x144/0x340 [ 319.779710] 3*4096kB [ 319.784105] ndisc_send_rs+0x331/0x6e0 [ 319.786134] (M) [ 319.790948] addrconf_rs_timer+0x314/0x690 [ 319.793340] = 25256kB [ 319.793347] Node 0 [ 319.797230] ? lock_release+0x970/0x970 [ 319.797246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.799195] Normal: [ 319.803423] call_timer_fn+0x272/0x920 [ 319.805798] 1063*4kB [ 319.808022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.811965] (UMEH) [ 319.816186] ? process_timeout+0x40/0x40 [ 319.818477] 420*8kB [ 319.822347] ? kasan_check_read+0x11/0x20 [ 319.824728] (UME) [ 319.828944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.831151] 170*16kB [ 319.835195] ? trace_hardirqs_on+0x310/0x310 [ 319.837485] (UMEH) [ 319.841619] ? __run_timers+0x7da/0xc70 [ 319.843738] 65*32kB [ 319.848130] ? lock_downgrade+0x900/0x900 [ 319.850508] (UME) [ 319.855395] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.857615] 9*64kB [ 319.862543] ? trace_hardirqs_on+0xbd/0x310 [ 319.864835] (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 319.864863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.864869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.864872] 4986 total pagecache pages [ 319.864876] 0 pages in swap cache [ 319.864881] Swap cache stats: add 0, delete 0, find 0/0 [ 319.864883] Free swap = 0kB [ 319.864886] Total swap = 0kB [ 319.864889] 1965979 pages RAM [ 319.864892] 0 pages HighMem/MovableOnly [ 319.864894] 342307 pages reserved [ 319.864896] 0 pages cma reserved [ 319.864955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.864991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.864995] syz-executor4 cpuset=syz4 mems_allowed=0 [ 319.964550] ? kasan_check_read+0x11/0x20 [ 319.968703] ? __run_timers+0x7da/0xc70 [ 319.972689] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.978132] ? kasan_check_write+0x14/0x20 [ 319.982357] ? do_raw_spin_lock+0xc1/0x200 [ 319.986589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.990817] __run_timers+0x7e5/0xc70 [ 319.994615] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.999969] ? compat_start_thread+0x80/0x80 [ 320.004364] ? dequeue_entity+0x1770/0x1770 [ 320.008684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.014222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.019760] ? kasan_check_write+0x14/0x20 [ 320.024501] ? finish_task_switch+0x2f5/0x900 [ 320.029940] ? __switch_to_asm+0x40/0x70 [ 320.034885] ? preempt_notifier_register+0x200/0x200 [ 320.039982] ? __switch_to_asm+0x34/0x70 [ 320.044030] ? __switch_to_asm+0x40/0x70 [ 320.048080] ? __switch_to_asm+0x34/0x70 [ 320.052129] ? __switch_to_asm+0x40/0x70 [ 320.056201] ? __switch_to_asm+0x34/0x70 [ 320.060252] ? __switch_to_asm+0x40/0x70 [ 320.064312] ? pvclock_read_flags+0x160/0x160 [ 320.068799] ? __schedule+0x874/0x1ed0 [ 320.072682] ? run_rebalance_domains+0x38d/0x500 [ 320.077435] ? trace_hardirqs_on+0xbd/0x310 [ 320.081747] ? kvm_sched_clock_read+0x9/0x20 [ 320.086590] ? run_ksoftirqd+0x94/0x100 [ 320.090559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.096088] ? check_preemption_disabled+0x48/0x200 [ 320.101093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.107236] run_timer_softirq+0x52/0xb0 [ 320.111296] ? __this_cpu_preempt_check+0x1c/0x1f [ 320.116133] __do_softirq+0x30b/0xad8 [ 320.119929] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.125023] ? trace_hardirqs_off+0xb8/0x310 [ 320.129891] ? schedule+0x108/0x460 [ 320.133511] ? __schedule+0x1ed0/0x1ed0 [ 320.137479] ? run_ksoftirqd+0x99/0x100 [ 320.141449] ? trace_hardirqs_off+0xb8/0x310 [ 320.145852] ? ___might_sleep+0x1ed/0x300 [ 320.149990] ? smpboot_thread_fn+0x68b/0xa00 [ 320.154388] ? trace_hardirqs_on+0x310/0x310 [ 320.161240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.167783] ? check_preemption_disabled+0x48/0x200 [ 320.172793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.178322] ? takeover_tasklets+0xa90/0xa90 [ 320.182723] run_ksoftirqd+0x94/0x100 [ 320.186511] smpboot_thread_fn+0x68b/0xa00 [ 320.190741] ? sort_range+0x30/0x30 [ 320.194361] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.199467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.204996] ? __kthread_parkme+0xfb/0x1a0 [ 320.209224] kthread+0x35a/0x420 [ 320.212580] ? sort_range+0x30/0x30 [ 320.216200] ? kthread_bind+0x40/0x40 [ 320.219993] ret_from_fork+0x3a/0x50 [ 320.223711] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 320.223766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.230978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.230981] Call Trace: [ 320.230986] [ 320.231001] dump_stack+0x1c4/0x2b4 [ 320.231017] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.237516] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.246826] warn_alloc.cold.119+0xb7/0x1bd [ 320.249376] ksoftirqd/1 cpuset= [ 320.251513] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.255109] / [ 320.260373] ? lock_downgrade+0x900/0x900 [ 320.271531] mems_allowed=0 [ 320.276474] ? trace_hardirqs_off+0xb8/0x310 [ 320.297676] ? trace_hardirqs_off+0xb8/0x310 [ 320.302083] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.306933] ? warn_alloc+0x120/0x120 [ 320.310726] ? warn_alloc+0x120/0x120 [ 320.314534] ? warn_alloc+0x120/0x120 [ 320.318328] ? lock_release+0x970/0x970 [ 320.322293] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.327471] ? trace_hardirqs_on+0x310/0x310 [ 320.331873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.337403] ? should_fail+0x22d/0xd01 [ 320.341282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.346375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.351903] ? should_fail+0x22d/0xd01 [ 320.355782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.360873] ? should_fail+0x22d/0xd01 [ 320.364759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.369853] ? mark_held_locks+0x130/0x130 [ 320.374082] ? mark_held_locks+0x130/0x130 [ 320.378309] ? kvm_clock_read+0x18/0x30 [ 320.382289] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 320.387450] ? ktime_get+0x2e1/0x440 [ 320.391153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.396690] ? check_preemption_disabled+0x48/0x200 [ 320.401700] ? kasan_check_read+0x11/0x20 [ 320.405842] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.411108] ? rcu_bh_qs+0xc0/0xc0 [ 320.414648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.420181] ? check_preemption_disabled+0x48/0x200 [ 320.425186] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 320.430191] ? widen_string+0xe0/0x2e0 [ 320.434076] __alloc_pages_nodemask+0xa80/0xde0 [ 320.438740] ? should_fail+0x22d/0xd01 [ 320.442622] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.448938] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.453597] ? lock_downgrade+0x900/0x900 [ 320.457740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.463270] cache_grow_begin+0x91/0x8c0 [ 320.470067] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.474497] fallback_alloc+0x203/0x2e0 [ 320.478470] ____cache_alloc_node+0x1c7/0x1e0 [ 320.482958] kmem_cache_alloc_node+0xe3/0x730 [ 320.487446] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.491678] __alloc_skb+0x119/0x770 [ 320.495384] ? skb_scrub_packet+0x490/0x490 [ 320.499697] ? lock_downgrade+0x900/0x900 [ 320.503839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.509365] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.514816] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.520257] ? addrconf_rs_timer+0x690/0x690 [ 320.524671] ndisc_alloc_skb+0x144/0x340 [ 320.528730] ndisc_send_rs+0x331/0x6e0 [ 320.532962] addrconf_rs_timer+0x314/0x690 [ 320.537190] ? neigh_invalidate+0x550/0x550 [ 320.541504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.545749] call_timer_fn+0x272/0x920 [ 320.549636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.553867] ? process_timeout+0x40/0x40 [ 320.557920] ? trace_hardirqs_off+0xb8/0x310 [ 320.562318] ? kasan_check_read+0x11/0x20 [ 320.566478] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.570874] ? trace_hardirqs_on+0x310/0x310 [ 320.575279] ? __run_timers+0x7da/0xc70 [ 320.579245] ? lock_downgrade+0x900/0x900 [ 320.583385] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.588478] ? trace_hardirqs_on+0xbd/0x310 [ 320.592786] ? kasan_check_read+0x11/0x20 [ 320.596925] ? __run_timers+0x7da/0xc70 [ 320.600890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.606329] ? kasan_check_write+0x14/0x20 [ 320.610555] ? do_raw_spin_lock+0xc1/0x200 [ 320.614783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.619014] __run_timers+0x7e5/0xc70 [ 320.622815] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.628174] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.633182] ? timerqueue_add+0x207/0x2b0 [ 320.637326] ? enqueue_hrtimer+0x1a5/0x560 [ 320.641551] ? lock_release+0x970/0x970 [ 320.645518] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.650704] ? kasan_check_write+0x14/0x20 [ 320.654935] ? pvclock_read_flags+0x160/0x160 [ 320.659424] ? lock_downgrade+0x900/0x900 [ 320.663568] ? trace_hardirqs_on+0xbd/0x310 [ 320.667881] ? kvm_sched_clock_read+0x9/0x20 [ 320.672279] ? irq_exit+0x17f/0x1c0 [ 320.675898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.681434] ? check_preemption_disabled+0x48/0x200 [ 320.686451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.691988] run_timer_softirq+0x52/0xb0 [ 320.696042] ? __this_cpu_preempt_check+0x1c/0x1f [ 320.700875] __do_softirq+0x30b/0xad8 [ 320.704679] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.709775] ? pvclock_read_flags+0x160/0x160 [ 320.714264] ? lapic_next_event+0x5a/0x90 [ 320.718406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.723950] ? clockevents_program_event+0x140/0x370 [ 320.729049] ? kvm_clock_read+0x18/0x30 [ 320.733015] ? kvm_sched_clock_read+0x9/0x20 [ 320.737413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.742943] ? check_preemption_disabled+0x48/0x200 [ 320.747965] irq_exit+0x17f/0x1c0 [ 320.751410] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.756243] ? smp_reschedule_interrupt+0x109/0x650 [ 320.761254] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.767131] ? interrupt_entry+0xb5/0xf0 [ 320.771185] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.776193] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.781203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.786038] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.791045] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.796051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.801585] ? check_preemption_disabled+0x48/0x200 [ 320.806613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.811457] apic_timer_interrupt+0xf/0x20 [ 320.815674] [ 320.817912] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 320.822844] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 320.841759] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 320.849465] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 320.856725] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 320.863986] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 320.871247] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 320.878508] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 320.885783] ? trace_hardirqs_on+0xb4/0x310 [ 320.890105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.895646] skb_clone+0x1bb/0x500 [ 320.899196] ? finish_task_switch+0x2f5/0x900 [ 320.903696] ? skb_split+0x11e0/0x11e0 [ 320.907575] ? preempt_notifier_register+0x200/0x200 [ 320.912691] ? __switch_to_asm+0x34/0x70 [ 320.916759] ? __switch_to_asm+0x34/0x70 [ 320.920813] ? __switch_to_asm+0x40/0x70 [ 320.924882] ? __switch_to_asm+0x34/0x70 [ 320.928936] ? __switch_to_asm+0x40/0x70 [ 320.932987] ? __switch_to_asm+0x34/0x70 [ 320.937042] ? __switch_to_asm+0x40/0x70 [ 320.941092] ? __switch_to_asm+0x34/0x70 [ 320.945147] ? __switch_to_asm+0x34/0x70 [ 320.949201] ? __switch_to_asm+0x40/0x70 [ 320.953254] ? __switch_to_asm+0x34/0x70 [ 320.957320] bpf_clone_redirect+0xb9/0x490 [ 320.961553] ? __schedule+0x874/0x1ed0 [ 320.965437] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 320.970361] ? __sched_text_start+0x8/0x8 [ 320.974504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.979260] ? retint_kernel+0x2d/0x2d [ 320.983146] ? lock_acquire+0x1ed/0x520 [ 320.987208] ? bpf_test_run+0x32e/0x5a0 [ 320.991176] ? lock_release+0x970/0x970 [ 320.995142] ? preempt_schedule+0x4d/0x60 [ 320.999284] ? preempt_schedule_common+0x1f/0xd0 [ 321.004117] ? preempt_schedule+0x4d/0x60 [ 321.008260] ? ___preempt_schedule+0x16/0x18 [ 321.012669] ? bpf_test_run+0x1c0/0x5a0 [ 321.016647] ? netlink_diag_dump+0x2a0/0x2a0 [ 321.021062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.026619] ? bpf_test_init.isra.9+0x70/0x100 [ 321.031197] ? bpf_prog_test_run_skb+0x634/0xb40 [ 321.035947] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 321.040783] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.046312] ? fput+0x130/0x1a0 [ 321.049595] ? __bpf_prog_get+0x9b/0x290 [ 321.053664] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 321.058501] ? bpf_prog_test_run+0x130/0x1a0 [ 321.062992] ? __x64_sys_bpf+0x3d8/0x510 [ 321.067042] ? bpf_prog_get+0x20/0x20 [ 321.070844] ? do_syscall_64+0x1b9/0x820 [ 321.074899] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.080253] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.085170] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.090181] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.095192] ? recalc_sigpending_tsk+0x180/0x180 [ 321.099942] ? kasan_check_write+0x14/0x20 [ 321.104171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.109115] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.114478] warn_alloc_show_mem: 1 callbacks suppressed [ 321.114487] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 321.114488] Mem-Info: [ 321.114516] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 321.114516] active_file:16 inactive_file:17 isolated_file:0 [ 321.114516] unevictable:0 dirty:0 writeback:0 unstable:0 [ 321.114516] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 321.114516] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 321.114516] free:13792 free_pcp:309 free_cma:0 [ 321.120336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.127189] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 321.129582] Call Trace: [ 321.162616] Node 0 [ 321.171969] dump_stack+0x1c4/0x2b4 [ 321.199805] 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 [ 321.202360] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.204566] lowmem_reserve[]: [ 321.208190] ? isolate_lru_page+0x22e0/0x22e0 [ 321.234074] 0 2819 [ 321.239264] warn_alloc.cold.119+0xb7/0x1bd [ 321.242328] 6323 6323 [ 321.246816] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.253336] ? lock_downgrade+0x900/0x900 [ 321.255807] Node 0 [ 321.260641] ? trace_hardirqs_off+0xb8/0x310 [ 321.264778] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 321.266983] ? trace_hardirqs_off+0xb8/0x310 [ 321.271362] lowmem_reserve[]: [ 321.298344] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.302719] 0 [ 321.305820] ? mark_held_locks+0x130/0x130 [ 321.310626] 0 [ 321.312415] ? warn_alloc+0x120/0x120 [ 321.316617] 3503 [ 321.318405] ? warn_alloc+0x120/0x120 [ 321.322175] 3503 [ 321.324223] ? warn_alloc+0x120/0x120 [ 321.327992] Node 0 [ 321.330040] ? mark_held_locks+0x130/0x130 [ 321.333833] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 321.336037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.340233] lowmem_reserve[]: 0 [ 321.370381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.375895] 0 [ 321.379157] ? should_fail+0x22d/0xd01 [ 321.384659] 0 [ 321.386451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.390298] 0 [ 321.392092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.392106] ? should_fail+0x22d/0xd01 [ 321.397179] Node 0 [ 321.398967] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.404468] DMA: 1*4kB [ 321.408349] ? should_fail+0x22d/0xd01 [ 321.410562] (U) [ 321.416141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.418718] 0*8kB [ 321.422595] ? mark_held_locks+0x130/0x130 [ 321.424708] 0*16kB 1*32kB [ 321.430298] ? mark_held_locks+0x130/0x130 [ 321.432421] (U) [ 321.437084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.439893] 2*64kB [ 321.444115] ? trace_hardirqs_off+0xb8/0x310 [ 321.446062] (U) [ 321.453104] ? kasan_check_read+0x11/0x20 [ 321.455305] 1*128kB [ 321.459700] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.461646] (U) [ 321.466053] ? trace_hardirqs_on+0x310/0x310 [ 321.468348] 1*256kB [ 321.472739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.474682] (U) [ 321.479080] ? wq_watchdog_touch+0x9c/0xfe [ 321.481373] 0*512kB [ 321.487860] ? io_serial_in+0x11/0x90 [ 321.489803] 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 321.489820] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB [ 321.489880] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 321.489931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.489937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.489940] 4986 total pagecache pages [ 321.489945] 0 pages in swap cache [ 321.489953] Swap cache stats: add 0, delete 0, find 0/0 [ 321.489955] Free swap = 0kB [ 321.489958] Total swap = 0kB [ 321.489961] 1965979 pages RAM [ 321.489964] 0 pages HighMem/MovableOnly [ 321.489966] 342307 pages reserved [ 321.489969] 0 pages cma reserved [ 321.490009] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.490061] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.490068] syz-executor4 cpuset= [ 321.494297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.496591] syz4 [ 321.500384] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.506232] mems_allowed=0 [ 321.624117] __alloc_pages_nodemask+0xa80/0xde0 [ 321.628779] ? should_fail+0x22d/0xd01 [ 321.632661] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.637682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.642348] ? lock_downgrade+0x900/0x900 [ 321.646492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.652024] cache_grow_begin+0x91/0x8c0 [ 321.656080] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.660483] fallback_alloc+0x203/0x2e0 [ 321.664449] ____cache_alloc_node+0x1c7/0x1e0 [ 321.669408] kmem_cache_alloc_node+0xe3/0x730 [ 321.673907] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.678139] __alloc_skb+0x119/0x770 [ 321.681941] ? skb_scrub_packet+0x490/0x490 [ 321.686662] ? lock_downgrade+0x900/0x900 [ 321.690807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.696339] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.701782] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.707710] ? addrconf_rs_timer+0x690/0x690 [ 321.712119] ndisc_alloc_skb+0x144/0x340 [ 321.716171] ndisc_send_rs+0x331/0x6e0 [ 321.720056] addrconf_rs_timer+0x314/0x690 [ 321.724278] ? lock_release+0x970/0x970 [ 321.728261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.734102] call_timer_fn+0x272/0x920 [ 321.741095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.745835] ? process_timeout+0x40/0x40 [ 321.749893] ? kasan_check_read+0x11/0x20 [ 321.754032] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.758476] ? trace_hardirqs_on+0x310/0x310 [ 321.762904] ? __run_timers+0x7da/0xc70 [ 321.767070] ? lock_downgrade+0x900/0x900 [ 321.771212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.776310] ? trace_hardirqs_on+0xbd/0x310 [ 321.780631] ? kasan_check_read+0x11/0x20 [ 321.785119] ? __run_timers+0x7da/0xc70 [ 321.789085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.794532] ? kasan_check_write+0x14/0x20 [ 321.798761] ? do_raw_spin_lock+0xc1/0x200 [ 321.802991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.807228] __run_timers+0x7e5/0xc70 [ 321.811026] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.816384] ? compat_start_thread+0x80/0x80 [ 321.820784] ? dequeue_entity+0x1770/0x1770 [ 321.825097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.830624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.836156] ? kasan_check_write+0x14/0x20 [ 321.840384] ? finish_task_switch+0x2f5/0x900 [ 321.844869] ? __switch_to_asm+0x40/0x70 [ 321.848922] ? preempt_notifier_register+0x200/0x200 [ 321.854039] ? __switch_to_asm+0x34/0x70 [ 321.858092] ? __switch_to_asm+0x40/0x70 [ 321.862145] ? __switch_to_asm+0x34/0x70 [ 321.866200] ? __switch_to_asm+0x40/0x70 [ 321.870255] ? __switch_to_asm+0x34/0x70 [ 321.874313] ? __switch_to_asm+0x40/0x70 [ 321.878380] ? pvclock_read_flags+0x160/0x160 [ 321.882871] ? __schedule+0x874/0x1ed0 [ 321.886750] ? run_rebalance_domains+0x38d/0x500 [ 321.891502] ? trace_hardirqs_on+0xbd/0x310 [ 321.895819] ? kvm_sched_clock_read+0x9/0x20 [ 321.901437] ? run_ksoftirqd+0x94/0x100 [ 321.906157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.911686] ? check_preemption_disabled+0x48/0x200 [ 321.917812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.923346] run_timer_softirq+0x52/0xb0 [ 321.927398] ? __this_cpu_preempt_check+0x1c/0x1f [ 321.932235] __do_softirq+0x30b/0xad8 [ 321.936138] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.941235] ? trace_hardirqs_off+0xb8/0x310 [ 321.945639] ? schedule+0x108/0x460 [ 321.949263] ? __schedule+0x1ed0/0x1ed0 [ 321.953227] ? run_ksoftirqd+0x99/0x100 [ 321.957278] ? trace_hardirqs_off+0xb8/0x310 [ 321.961682] ? ___might_sleep+0x1ed/0x300 [ 321.965821] ? smpboot_thread_fn+0x68b/0xa00 [ 321.970371] ? trace_hardirqs_on+0x310/0x310 [ 321.974779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.980311] ? check_preemption_disabled+0x48/0x200 [ 321.985569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.991100] ? takeover_tasklets+0xa90/0xa90 [ 321.995498] run_ksoftirqd+0x94/0x100 [ 321.999817] smpboot_thread_fn+0x68b/0xa00 [ 322.004049] ? sort_range+0x30/0x30 [ 322.007675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.012770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.018378] ? __kthread_parkme+0xfb/0x1a0 [ 322.022604] kthread+0x35a/0x420 [ 322.025961] ? sort_range+0x30/0x30 [ 322.029578] ? kthread_bind+0x40/0x40 [ 322.033370] ret_from_fork+0x3a/0x50 [ 322.037083] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 322.037131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.044360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.044364] Call Trace: [ 322.044368] [ 322.044384] dump_stack+0x1c4/0x2b4 [ 322.044401] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.050922] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.060213] warn_alloc.cold.119+0xb7/0x1bd [ 322.062769] ksoftirqd/1 cpuset= [ 322.064904] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.068503] / [ 322.073683] ? lock_downgrade+0x900/0x900 [ 322.083965] mems_allowed=0 [ 322.088269] ? trace_hardirqs_off+0xb8/0x310 [ 322.109930] ? trace_hardirqs_off+0xb8/0x310 [ 322.114338] __alloc_pages_slowpath+0x2667/0x2d80 [ 322.119216] ? warn_alloc+0x120/0x120 [ 322.123010] ? warn_alloc+0x120/0x120 [ 322.126803] ? warn_alloc+0x120/0x120 [ 322.130709] ? lock_release+0x970/0x970 [ 322.134674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.139855] ? trace_hardirqs_on+0x310/0x310 [ 322.144252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.149779] ? should_fail+0x22d/0xd01 [ 322.153661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.158754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.164279] ? should_fail+0x22d/0xd01 [ 322.168158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.173248] ? should_fail+0x22d/0xd01 [ 322.177132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.182227] ? mark_held_locks+0x130/0x130 [ 322.186455] ? mark_held_locks+0x130/0x130 [ 322.190678] ? kvm_clock_read+0x18/0x30 [ 322.194658] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.199676] ? mark_held_locks+0x130/0x130 [ 322.203903] ? kasan_check_read+0x11/0x20 [ 322.208047] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.213317] ? rcu_bh_qs+0xc0/0xc0 [ 322.216847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.222373] ? check_preemption_disabled+0x48/0x200 [ 322.227378] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.232383] ? widen_string+0xe0/0x2e0 [ 322.236263] __alloc_pages_nodemask+0xa80/0xde0 [ 322.240921] ? should_fail+0x22d/0xd01 [ 322.244802] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.249821] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.254488] ? lock_downgrade+0x900/0x900 [ 322.258630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.264159] cache_grow_begin+0x91/0x8c0 [ 322.268212] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.272962] fallback_alloc+0x203/0x2e0 [ 322.276933] ____cache_alloc_node+0x1c7/0x1e0 [ 322.281544] kmem_cache_alloc_node+0xe3/0x730 [ 322.286037] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.290297] __alloc_skb+0x119/0x770 [ 322.294007] ? skb_scrub_packet+0x490/0x490 [ 322.298320] ? lock_downgrade+0x900/0x900 [ 322.302473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.308011] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.313454] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.318907] ? addrconf_rs_timer+0x690/0x690 [ 322.323314] ndisc_alloc_skb+0x144/0x340 [ 322.327373] ndisc_send_rs+0x331/0x6e0 [ 322.331257] addrconf_rs_timer+0x314/0x690 [ 322.335493] ? neigh_invalidate+0x550/0x550 [ 322.339814] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.344047] call_timer_fn+0x272/0x920 [ 322.347926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.352150] ? process_timeout+0x40/0x40 [ 322.356200] ? trace_hardirqs_off+0xb8/0x310 [ 322.360595] ? kasan_check_read+0x11/0x20 [ 322.364734] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.369140] ? trace_hardirqs_on+0x310/0x310 [ 322.373572] ? __run_timers+0x7da/0xc70 [ 322.377535] ? lock_downgrade+0x900/0x900 [ 322.381675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.386768] ? trace_hardirqs_on+0xbd/0x310 [ 322.391075] ? kasan_check_read+0x11/0x20 [ 322.395214] ? __run_timers+0x7da/0xc70 [ 322.399177] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.404620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.410149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.414377] __run_timers+0x7e5/0xc70 [ 322.418189] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.423547] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.428555] ? timerqueue_add+0x207/0x2b0 [ 322.432698] ? enqueue_hrtimer+0x1a5/0x560 [ 322.436920] ? lock_release+0x970/0x970 [ 322.440885] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.446070] ? kasan_check_write+0x14/0x20 [ 322.451501] ? pvclock_read_flags+0x160/0x160 [ 322.455991] ? lock_downgrade+0x900/0x900 [ 322.460136] ? trace_hardirqs_on+0xbd/0x310 [ 322.464831] ? kvm_sched_clock_read+0x9/0x20 [ 322.469249] ? irq_exit+0x17f/0x1c0 [ 322.472868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.478398] ? check_preemption_disabled+0x48/0x200 [ 322.483404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.489166] run_timer_softirq+0x52/0xb0 [ 322.493222] ? __this_cpu_preempt_check+0x1c/0x1f [ 322.498059] __do_softirq+0x30b/0xad8 [ 322.501861] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 322.506955] ? pvclock_read_flags+0x160/0x160 [ 322.511438] ? lapic_next_event+0x5a/0x90 [ 322.515581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.521111] ? clockevents_program_event+0x140/0x370 [ 322.526208] ? kvm_clock_read+0x18/0x30 [ 322.530173] ? kvm_sched_clock_read+0x9/0x20 [ 322.534571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.540276] ? check_preemption_disabled+0x48/0x200 [ 322.545292] irq_exit+0x17f/0x1c0 [ 322.548735] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.553566] ? smp_reschedule_interrupt+0x109/0x650 [ 322.559016] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.564890] ? interrupt_entry+0xb5/0xf0 [ 322.568942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.573946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.579515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.584347] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.589349] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.595177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.600705] ? check_preemption_disabled+0x48/0x200 [ 322.605718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.610555] apic_timer_interrupt+0xf/0x20 [ 322.615032] [ 322.617266] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 322.622187] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 322.641246] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.648946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 322.656628] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 322.663925] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 322.671185] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 322.678459] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 322.685883] ? trace_hardirqs_on+0xb4/0x310 [ 322.690208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.695747] skb_clone+0x1bb/0x500 [ 322.699283] ? finish_task_switch+0x2f5/0x900 [ 322.703771] ? skb_split+0x11e0/0x11e0 [ 322.707658] ? preempt_notifier_register+0x200/0x200 [ 322.712751] ? __switch_to_asm+0x34/0x70 [ 322.716813] ? __switch_to_asm+0x34/0x70 [ 322.720862] ? __switch_to_asm+0x40/0x70 [ 322.724912] ? __switch_to_asm+0x34/0x70 [ 322.728974] ? __switch_to_asm+0x40/0x70 [ 322.733026] ? __switch_to_asm+0x34/0x70 [ 322.737079] ? __switch_to_asm+0x40/0x70 [ 322.741126] ? __switch_to_asm+0x34/0x70 [ 322.745179] ? __switch_to_asm+0x34/0x70 [ 322.749243] ? __switch_to_asm+0x40/0x70 [ 322.753294] ? __switch_to_asm+0x34/0x70 [ 322.757350] bpf_clone_redirect+0xb9/0x490 [ 322.761577] ? __schedule+0x874/0x1ed0 [ 322.765470] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 322.770397] ? __sched_text_start+0x8/0x8 [ 322.774539] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.779289] ? retint_kernel+0x2d/0x2d [ 322.783170] ? lock_acquire+0x1ed/0x520 [ 322.787137] ? bpf_test_run+0x32e/0x5a0 [ 322.791109] ? lock_release+0x970/0x970 [ 322.795075] ? preempt_schedule+0x4d/0x60 [ 322.799215] ? preempt_schedule_common+0x1f/0xd0 [ 322.803962] ? preempt_schedule+0x4d/0x60 [ 322.808099] ? ___preempt_schedule+0x16/0x18 [ 322.812505] ? bpf_test_run+0x1c0/0x5a0 [ 322.816482] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.820882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.826411] ? bpf_test_init.isra.9+0x70/0x100 [ 322.831009] ? bpf_prog_test_run_skb+0x634/0xb40 [ 322.835757] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.840588] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.846216] ? fput+0x130/0x1a0 [ 322.849489] ? __bpf_prog_get+0x9b/0x290 [ 322.853542] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.858376] ? bpf_prog_test_run+0x130/0x1a0 [ 322.862774] ? __x64_sys_bpf+0x3d8/0x510 [ 322.866827] ? bpf_prog_get+0x20/0x20 [ 322.870628] ? do_syscall_64+0x1b9/0x820 [ 322.874676] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.880032] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.884952] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.889960] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.894970] ? recalc_sigpending_tsk+0x180/0x180 [ 322.899717] ? kasan_check_write+0x14/0x20 [ 322.903944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.908783] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.914143] warn_alloc_show_mem: 1 callbacks suppressed [ 322.914153] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 322.914154] Mem-Info: [ 322.914182] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 322.914182] active_file:16 inactive_file:17 isolated_file:0 [ 322.914182] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.914182] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 322.914182] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 322.914182] free:13792 free_pcp:309 free_cma:0 [ 322.919515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.926346] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.928729] Call Trace: [ 322.961759] Node 0 [ 322.972417] dump_stack+0x1c4/0x2b4 [ 323.000258] 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 [ 323.002813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.005012] lowmem_reserve[]: 0 [ 323.008630] ? isolate_lru_page+0x22e0/0x22e0 [ 323.034097] 2819 6323 [ 323.039285] warn_alloc.cold.119+0xb7/0x1bd [ 323.042530] 6323 [ 323.047012] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.053784] ? lock_downgrade+0x900/0x900 [ 323.055819] Node 0 [ 323.060648] ? trace_hardirqs_off+0xb8/0x310 [ 323.064789] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 323.067081] ? trace_hardirqs_off+0xb8/0x310 [ 323.071460] lowmem_reserve[]: [ 323.099074] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.103451] 0 [ 323.106548] ? mark_held_locks+0x130/0x130 [ 323.111360] 0 [ 323.113143] ? warn_alloc+0x120/0x120 [ 323.117347] 3503 [ 323.119141] ? warn_alloc+0x120/0x120 [ 323.122910] 3503 [ 323.124960] ? warn_alloc+0x120/0x120 [ 323.130778] ? mark_held_locks+0x130/0x130 [ 323.134547] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB [ 323.138790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.138806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.168057] lowmem_reserve[]: [ 323.173590] ? should_fail+0x22d/0xd01 [ 323.179095] 0 [ 323.182189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.186041] 0 [ 323.187831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.192893] 0 0 [ 323.194707] ? should_fail+0x22d/0xd01 [ 323.200210] Node 0 [ 323.202175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.206035] DMA: [ 323.208262] ? should_fail+0x22d/0xd01 [ 323.213336] 1*4kB [ 323.215387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.219237] (U) [ 323.221373] ? mark_held_locks+0x130/0x130 [ 323.226446] 0*8kB [ 323.228415] ? mark_held_locks+0x130/0x130 [ 323.232618] 0*16kB 1*32kB [ 323.234762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.238961] (U) [ 323.241793] ? trace_hardirqs_off+0xb8/0x310 [ 323.247294] 2*64kB (U) [ 323.249263] ? kasan_check_read+0x11/0x20 [ 323.253641] 1*128kB [ 323.256213] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.260330] (U) [ 323.262639] ? trace_hardirqs_on+0x310/0x310 [ 323.267018] 1*256kB [ 323.268981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.273441] (U) [ 323.275751] ? wq_watchdog_touch+0x9c/0xfe [ 323.281257] 0*512kB [ 323.283225] ? io_serial_in+0x11/0x90 [ 323.287424] 1*1024kB (U) [ 323.289742] ? retint_kernel+0x2d/0x2d [ 323.293522] 1*2048kB [ 323.296263] ? trace_hardirqs_on_caller+0xc0/0x310 [ 323.300111] (M) 3*4096kB [ 323.302518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.307427] (M) [ 323.310169] ? trace_hardirqs_off+0x310/0x310 [ 323.314897] = 15908kB [ 323.314905] Node 0 [ 323.316871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.321334] DMA32: [ 323.323734] __alloc_pages_nodemask+0xa80/0xde0 [ 323.325954] 6*4kB [ 323.331040] ? should_fail+0x22d/0xd01 [ 323.333246] (UME) [ 323.337901] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.340019] 2*8kB [ 323.343900] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.346008] (UE) [ 323.351009] ? lock_downgrade+0x900/0x900 [ 323.353124] 4*16kB (UME) [ 323.358229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.360255] 4*32kB (UME) [ 323.365918] cache_grow_begin+0x91/0x8c0 [ 323.368639] 5*64kB (ME) [ 323.374171] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.376898] 5*128kB [ 323.380945] fallback_alloc+0x203/0x2e0 [ 323.383582] (UME) [ 323.387975] ____cache_alloc_node+0x1c7/0x1e0 [ 323.390272] 4*256kB [ 323.394231] kmem_cache_alloc_node+0xe3/0x730 [ 323.396350] (ME) [ 323.401339] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.403645] 5*512kB [ 323.408123] __alloc_skb+0x119/0x770 [ 323.410152] (UME) [ 323.414370] ? skb_scrub_packet+0x490/0x490 [ 323.416672] 4*1024kB [ 323.420378] ? lock_downgrade+0x900/0x900 [ 323.422500] (UME) [ 323.426807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.429184] 2*2048kB [ 323.433826] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.435941] (ME) [ 323.441465] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.443846] 3*4096kB [ 323.449747] ? addrconf_rs_timer+0x690/0x690 [ 323.451778] (M) [ 323.457215] ndisc_alloc_skb+0x144/0x340 [ 323.459596] = 25256kB [ 323.464259] ndisc_send_rs+0x331/0x6e0 [ 323.466205] Node 0 [ 323.470253] addrconf_rs_timer+0x314/0x690 [ 323.472631] Normal: [ 323.476509] ? lock_release+0x970/0x970 [ 323.478726] 1063*4kB [ 323.482955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.485251] (UMEH) [ 323.489237] call_timer_fn+0x272/0x920 [ 323.491611] 420*8kB [ 323.495829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.498032] (UME) [ 323.502444] ? process_timeout+0x40/0x40 [ 323.504737] 170*16kB [ 323.508952] ? kasan_check_read+0x11/0x20 [ 323.508969] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.511086] (UMEH) [ 323.515133] ? trace_hardirqs_on+0x310/0x310 [ 323.517933] 65*32kB [ 323.522070] ? __run_timers+0x7da/0xc70 [ 323.526448] (UME) [ 323.528670] ? lock_downgrade+0x900/0x900 [ 323.533183] 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB [ 323.533214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.533219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.533223] 4986 total pagecache pages [ 323.533227] 0 pages in swap cache [ 323.533232] Swap cache stats: add 0, delete 0, find 0/0 [ 323.533234] Free swap = 0kB [ 323.533237] Total swap = 0kB [ 323.533241] 1965979 pages RAM [ 323.533244] 0 pages HighMem/MovableOnly [ 323.533246] 342307 pages reserved [ 323.533249] 0 pages cma reserved [ 323.533291] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.533329] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.533332] syz-executor4 cpuset=syz4 mems_allowed=0 [ 323.626168] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.631548] ? trace_hardirqs_on+0xbd/0x310 [ 323.636671] ? kasan_check_read+0x11/0x20 [ 323.640818] ? __run_timers+0x7da/0xc70 [ 323.644784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.650227] ? kasan_check_write+0x14/0x20 [ 323.654452] ? do_raw_spin_lock+0xc1/0x200 [ 323.658690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.662919] __run_timers+0x7e5/0xc70 [ 323.666719] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.672075] ? compat_start_thread+0x80/0x80 [ 323.676511] ? dequeue_entity+0x1770/0x1770 [ 323.680856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.686393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.693261] ? kasan_check_write+0x14/0x20 [ 323.698324] ? finish_task_switch+0x2f5/0x900 [ 323.702814] ? __switch_to_asm+0x40/0x70 [ 323.706867] ? preempt_notifier_register+0x200/0x200 [ 323.712454] ? __switch_to_asm+0x34/0x70 [ 323.716507] ? __switch_to_asm+0x40/0x70 [ 323.720556] ? __switch_to_asm+0x34/0x70 [ 323.725370] ? __switch_to_asm+0x40/0x70 [ 323.729433] ? __switch_to_asm+0x34/0x70 [ 323.733489] ? __switch_to_asm+0x40/0x70 [ 323.737545] ? pvclock_read_flags+0x160/0x160 [ 323.742033] ? __schedule+0x874/0x1ed0 [ 323.745911] ? run_rebalance_domains+0x38d/0x500 [ 323.750662] ? trace_hardirqs_on+0xbd/0x310 [ 323.755450] ? kvm_sched_clock_read+0x9/0x20 [ 323.759851] ? run_ksoftirqd+0x94/0x100 [ 323.763819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.769348] ? check_preemption_disabled+0x48/0x200 [ 323.774371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.779911] run_timer_softirq+0x52/0xb0 [ 323.783964] ? __this_cpu_preempt_check+0x1c/0x1f [ 323.789315] __do_softirq+0x30b/0xad8 [ 323.793114] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.798300] ? trace_hardirqs_off+0xb8/0x310 [ 323.802702] ? schedule+0x108/0x460 [ 323.806318] ? __schedule+0x1ed0/0x1ed0 [ 323.810283] ? run_ksoftirqd+0x99/0x100 [ 323.814751] ? trace_hardirqs_off+0xb8/0x310 [ 323.819151] ? ___might_sleep+0x1ed/0x300 [ 323.823288] ? smpboot_thread_fn+0x68b/0xa00 [ 323.827690] ? trace_hardirqs_on+0x310/0x310 [ 323.832100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.837630] ? check_preemption_disabled+0x48/0x200 [ 323.842642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.848172] ? takeover_tasklets+0xa90/0xa90 [ 323.852581] run_ksoftirqd+0x94/0x100 [ 323.857362] smpboot_thread_fn+0x68b/0xa00 [ 323.862378] ? sort_range+0x30/0x30 [ 323.866499] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.871593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.877124] ? __kthread_parkme+0xfb/0x1a0 [ 323.881357] kthread+0x35a/0x420 [ 323.885236] ? sort_range+0x30/0x30 [ 323.889177] ? kthread_bind+0x40/0x40 [ 323.892980] ret_from_fork+0x3a/0x50 [ 323.896697] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65 [ 323.896744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.903962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.903966] Call Trace: [ 323.903971] [ 323.903985] dump_stack+0x1c4/0x2b4 [ 323.904002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.910523] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.919811] warn_alloc.cold.119+0xb7/0x1bd [ 323.922366] ksoftirqd/1 cpuset=/ [ 323.924509] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.928107] mems_allowed=0 [ 323.933279] ? lock_downgrade+0x900/0x900 [ 323.963067] ? trace_hardirqs_off+0xb8/0x310 [ 323.967476] ? trace_hardirqs_off+0xb8/0x310 [ 323.971878] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.976725] ? warn_alloc+0x120/0x120 [ 323.980512] ? warn_alloc+0x120/0x120 [ 323.984303] ? warn_alloc+0x120/0x120 [ 323.988099] ? lock_release+0x970/0x970 [ 323.992078] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 323.997256] ? trace_hardirqs_on+0x310/0x310 [ 324.001659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.007185] ? should_fail+0x22d/0xd01 [ 324.011070] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.016162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.021692] ? should_fail+0x22d/0xd01 [ 324.025663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.030755] ? should_fail+0x22d/0xd01 [ 324.034634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.039730] ? mark_held_locks+0x130/0x130 [ 324.043960] ? mark_held_locks+0x130/0x130 [ 324.048183] ? kvm_clock_read+0x18/0x30 [ 324.052151] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 324.057155] ? ktime_get+0x2e1/0x440 [ 324.060863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.066391] ? check_preemption_disabled+0x48/0x200 [ 324.071398] ? kasan_check_read+0x11/0x20 [ 324.075537] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.080807] ? rcu_bh_qs+0xc0/0xc0 [ 324.084342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.089887] ? check_preemption_disabled+0x48/0x200 [ 324.094896] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 324.099900] ? widen_string+0xe0/0x2e0 [ 324.103793] __alloc_pages_nodemask+0xa80/0xde0 [ 324.108932] ? should_fail+0x22d/0xd01 [ 324.112821] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.117841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.122547] ? lock_downgrade+0x900/0x900 [ 324.126711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.132757] cache_grow_begin+0x91/0x8c0 [ 324.136814] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.141215] fallback_alloc+0x203/0x2e0 [ 324.145182] ____cache_alloc_node+0x1c7/0x1e0 [ 324.149673] kmem_cache_alloc_node+0xe3/0x730 [ 324.154163] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.158395] __alloc_skb+0x119/0x770 [ 324.162101] ? skb_scrub_packet+0x490/0x490 [ 324.166413] ? lock_downgrade+0x900/0x900 [ 324.170561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.176201] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.181646] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.187087] ? addrconf_rs_timer+0x690/0x690 [ 324.191493] ndisc_alloc_skb+0x144/0x340 [ 324.195551] ndisc_send_rs+0x331/0x6e0 [ 324.199434] addrconf_rs_timer+0x314/0x690 [ 324.203660] ? neigh_invalidate+0x550/0x550 [ 324.207973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.212204] call_timer_fn+0x272/0x920 [ 324.216085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.220312] ? process_timeout+0x40/0x40 [ 324.224387] ? trace_hardirqs_off+0xb8/0x310 [ 324.228794] ? kasan_check_read+0x11/0x20 [ 324.232933] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.237346] ? trace_hardirqs_on+0x310/0x310 [ 324.241747] ? __run_timers+0x7da/0xc70 [ 324.245709] ? lock_downgrade+0x900/0x900 [ 324.249850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.254956] ? trace_hardirqs_on+0xbd/0x310 [ 324.259270] ? kasan_check_read+0x11/0x20 [ 324.263405] ? __run_timers+0x7da/0xc70 [ 324.267371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.273301] ? kasan_check_write+0x14/0x20 [ 324.277587] ? do_raw_spin_lock+0xc1/0x200 [ 324.281818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.286047] __run_timers+0x7e5/0xc70 [ 324.289847] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 324.295205] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.300215] ? timerqueue_add+0x207/0x2b0 [ 324.304357] ? enqueue_hrtimer+0x1a5/0x560 [ 324.308579] ? lock_release+0x970/0x970 [ 324.312545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.317729] ? kasan_check_write+0x14/0x20 [ 324.321957] ? pvclock_read_flags+0x160/0x160 [ 324.326445] ? lock_downgrade+0x900/0x900 [ 324.330592] ? trace_hardirqs_on+0xbd/0x310 [ 324.335002] ? kvm_sched_clock_read+0x9/0x20 [ 324.339408] ? irq_exit+0x17f/0x1c0 [ 324.343025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.348556] ? check_preemption_disabled+0x48/0x200 [ 324.353570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.359102] run_timer_softirq+0x52/0xb0 [ 324.363156] ? __this_cpu_preempt_check+0x1c/0x1f [ 324.367992] __do_softirq+0x30b/0xad8 [ 324.371792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 324.376899] ? pvclock_read_flags+0x160/0x160 [ 324.381391] ? lapic_next_event+0x5a/0x90 [ 324.385530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.391061] ? clockevents_program_event+0x140/0x370 [ 324.396161] ? kvm_clock_read+0x18/0x30 [ 324.400125] ? kvm_sched_clock_read+0x9/0x20 [ 324.404529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.410057] ? check_preemption_disabled+0x48/0x200 [ 324.415067] irq_exit+0x17f/0x1c0 [ 324.418525] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.423359] ? smp_reschedule_interrupt+0x109/0x650 [ 324.428365] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.434239] ? interrupt_entry+0xb5/0xf0 [ 324.438289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.443315] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.448846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.453680] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.459132] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.464145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.469677] ? check_preemption_disabled+0x48/0x200 [ 324.475590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.480434] apic_timer_interrupt+0xf/0x20 [ 324.484652] [ 324.487437] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 324.492795] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 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 22 a5 [ 324.511955] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 324.520993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000 [ 324.528260] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 324.535527] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204 [ 324.542787] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000 [ 324.550081] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 324.557458] ? trace_hardirqs_on+0xb4/0x310 [ 324.561784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.567326] skb_clone+0x1bb/0x500 [ 324.570860] ? finish_task_switch+0x2f5/0x900 [ 324.575346] ? skb_split+0x11e0/0x11e0 [ 324.579231] ? preempt_notifier_register+0x200/0x200 [ 324.584346] ? __switch_to_asm+0x34/0x70 [ 324.588402] ? __switch_to_asm+0x34/0x70 [ 324.592455] ? __switch_to_asm+0x40/0x70 [ 324.596504] ? __switch_to_asm+0x34/0x70 [ 324.600556] ? __switch_to_asm+0x40/0x70 [ 324.604607] ? __switch_to_asm+0x34/0x70 [ 324.608659] ? __switch_to_asm+0x40/0x70 [ 324.612710] ? __switch_to_asm+0x34/0x70 [ 324.616769] ? __switch_to_asm+0x34/0x70 [ 324.620824] ? __switch_to_asm+0x40/0x70 [ 324.624875] ? __switch_to_asm+0x34/0x70 [ 324.628935] bpf_clone_redirect+0xb9/0x490 [ 324.633162] ? __schedule+0x874/0x1ed0 [ 324.637041] bpf_prog_a481c1313990ee2c+0xe1/0x1000 [ 324.641967] ? __sched_text_start+0x8/0x8 [ 324.646108] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.650854] ? retint_kernel+0x2d/0x2d [ 324.654738] ? lock_acquire+0x1ed/0x520 [ 324.658701] ? bpf_test_run+0x32e/0x5a0 [ 324.662669] ? lock_release+0x970/0x970 [ 324.666646] ? preempt_schedule+0x4d/0x60 [ 324.670785] ? preempt_schedule_common+0x1f/0xd0 [ 324.675533] ? preempt_schedule+0x4d/0x60 [ 324.679672] ? ___preempt_schedule+0x16/0x18 [ 324.684081] ? bpf_test_run+0x1c0/0x5a0 [ 324.688055] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.692458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.697982] ? bpf_test_init.isra.9+0x70/0x100 [ 324.702557] ? bpf_prog_test_run_skb+0x634/0xb40 [ 324.707313] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.712146] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.717774] ? fput+0x130/0x1a0 [ 324.721045] ? __bpf_prog_get+0x9b/0x290 [ 324.725094] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.729926] ? bpf_prog_test_run+0x130/0x1a0 [ 324.734397] ? __x64_sys_bpf+0x3d8/0x510 [ 324.738528] ? bpf_prog_get+0x20/0x20 [ 324.742333] ? do_syscall_64+0x1b9/0x820 [ 324.746385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.751741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.756677] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.761689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.766714] ? recalc_sigpending_tsk+0x180/0x180 [ 324.771460] ? kasan_check_write+0x14/0x20 [ 324.775683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.780522] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.785879] warn_alloc_show_mem: 1 callbacks suppressed [ 324.785889] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65 [ 324.785891] Mem-Info: [ 324.785920] active_anon:50918 inactive_anon:4918 isolated_anon:0 [ 324.785920] active_file:16 inactive_file:17 isolated_file:0 [ 324.785920] unevictable:0 dirty:0 writeback:0 unstable:0 [ 324.785920] slab_reclaimable:9067 slab_unreclaimable:1467601 [ 324.785920] mapped:32770 shmem:4953 pagetables:547 bounce:0 [ 324.785920] free:13792 free_pcp:309 free_cma:0 [ 324.791251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.798092] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 324.800477] Call Trace: [ 324.833604] Node 0 [ 324.843487] dump_stack+0x1c4/0x2b4 [ 324.871325] 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 [ 324.873882] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.876086] lowmem_reserve[]: 0 [ 324.879708] ? isolate_lru_page+0x22e0/0x22e0 [ 324.905185] 2819 6323 [ 324.910381] warn_alloc.cold.119+0xb7/0x1bd [ 324.913634] 6323 [ 324.918118] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.924900] ? lock_downgrade+0x900/0x900 [ 324.926937] Node 0 [ 324.931767] ? trace_hardirqs_off+0xb8/0x310 [ 324.935906] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB 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 [ 324.938113] ? trace_hardirqs_off+0xb8/0x310 [ 324.942517] lowmem_reserve[]: 0 [ 324.970017] __alloc_pages_slowpath+0x2667/0x2d80 [ 324.974397] 0 [ 324.977677] ? mark_held_locks+0x130/0x130 [ 324.982639] 3503 [ 324.984459] ? warn_alloc+0x120/0x120 [ 324.988700] 3503