rade+0x900/0x900 [ 364.301100] 0*16kB [ 364.303582] ? mark_held_locks+0x130/0x130 [ 364.307698] 1*32kB [ 364.309921] ? mark_held_locks+0x130/0x130 [ 364.314121] (U) [ 364.316349] ? update_stack_state+0x1a5/0x690 [ 364.320559] 2*64kB [ 364.322520] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 364.326981] (U) [ 364.329203] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 364.334187] 1*128kB [ 364.336148] ? is_bpf_text_address+0xac/0x170 [ 364.340886] (U) [ 364.343195] ? lock_downgrade+0x900/0x900 [ 364.347658] 1*256kB [ 364.349622] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 364.353736] (U) [ 364.356042] ? kasan_check_read+0x11/0x20 [ 364.361809] 0*512kB [ 364.363771] __alloc_pages_nodemask+0xa80/0xde0 [ 364.367886] 1*1024kB [ 364.370191] ? should_fail+0x22d/0xd01 [ 364.374832] (U) [ 364.377227] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 364.381082] 1*2048kB [ 364.383042] ? is_bpf_text_address+0xd3/0x170 [ 364.388022] (M) [ 364.390425] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.394880] 3*4096kB [ 364.396839] ? lock_downgrade+0x900/0x900 [ 364.401474] (M) [ 364.403871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.407985] = 15908kB [ 364.409945] cache_grow_begin+0x91/0x8c0 [ 364.415459] Node 0 [ 364.417855] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.421881] DMA32: [ 364.424103] fallback_alloc+0x203/0x2e0 [ 364.428480] 5*4kB [ 364.430703] ____cache_alloc_node+0x1c7/0x1e0 [ 364.434642] (UM) [ 364.436779] kmem_cache_alloc_node+0xe3/0x730 [ 364.441239] 0*8kB [ 364.443288] __alloc_skb+0x119/0x770 [ 364.447748] 5*16kB [ 364.449880] ? skb_scrub_packet+0x490/0x490 [ 364.453561] (UMH) [ 364.455792] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 364.460168] 5*32kB [ 364.462301] ? queue_work_on+0x12c/0x1e0 [ 364.466854] (UMH) [ 364.469082] ? switchdev_port_obj_del+0xdc/0x450 [ 364.473108] 7*64kB [ 364.475242] ? switchdev_trans_item_enqueue+0x260/0x260 [ 364.479969] (UM) [ 364.482188] ? do_raw_spin_lock+0xc1/0x200 [ 364.487517] 4*128kB [ 364.489564] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 364.493764] (UM) [ 364.496075] __br_mdb_notify+0x4ff/0x15d0 [ 364.501081] 5*256kB [ 364.503129] ? __br_mdb_add+0x800/0x800 [ 364.507240] (UMH) [ 364.509547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.513490] 4*512kB [ 364.515628] ? check_preemption_disabled+0x48/0x200 [ 364.521130] (UM) [ 364.523444] ? br_multicast_group_expired+0x96/0x610 [ 364.528425] 4*1024kB [ 364.530472] ? lock_downgrade+0x900/0x900 [ 364.535539] (UMH) [ 364.537943] br_mdb_notify+0x310/0x410 [ 364.542064] 4*2048kB [ 364.544208] ? br_mdb_dump+0x2530/0x2530 [ 364.548064] (UM) [ 364.550459] ? kasan_check_write+0x14/0x20 [ 364.554493] 2*4096kB [ 364.556538] ? do_raw_spin_lock+0xc1/0x200 [ 364.560740] (M) [ 364.563138] br_multicast_group_expired+0x1bc/0x610 [ 364.567342] = 25028kB [ 364.569304] ? br_mdb_free+0x80/0x80 [ 364.574284] Node 0 [ 364.576684] call_timer_fn+0x272/0x920 [ 364.580363] Normal: [ 364.582583] ? br_mdb_free+0x80/0x80 [ 364.586438] 809*4kB [ 364.588747] ? process_timeout+0x40/0x40 [ 364.592429] (UMEH) [ 364.594737] ? trace_hardirqs_off+0xb8/0x310 [ 364.598765] 372*8kB [ 364.600984] ? kasan_check_read+0x11/0x20 [ 364.605363] (UMEH) [ 364.607669] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.611785] 191*16kB [ 364.614007] ? trace_hardirqs_on+0x310/0x310 [ 364.618381] (UMEH) [ 364.620774] ? __run_timers+0x7da/0xc70 [ 364.625149] 81*32kB [ 364.627366] ? lock_downgrade+0x900/0x900 [ 364.631307] (UME) [ 364.633614] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.637730] 21*64kB [ 364.639865] ? trace_hardirqs_on+0xbd/0x310 [ 364.644933] (UMH) [ 364.647239] ? kasan_check_read+0x11/0x20 [ 364.651598] 3*128kB [ 364.653730] ? __run_timers+0x7da/0xc70 [ 364.657842] (UH) [ 364.660152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.664092] 0*256kB [ 364.666139] ? kasan_check_write+0x14/0x20 [ 364.671556] 0*512kB [ 364.673866] ? do_raw_spin_lock+0xc1/0x200 [ 364.678071] 0*1024kB [ 364.680378] ? br_mdb_free+0x80/0x80 [ 364.684582] 0*2048kB [ 364.686987] __run_timers+0x7e5/0xc70 [ 364.690669] 0*4096kB [ 364.693069] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.696835] = 13588kB [ 364.699228] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.704565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.706955] ? timerqueue_add+0x207/0x2b0 [ 364.711939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.720751] ? enqueue_hrtimer+0x1a5/0x560 [ 364.724871] 348 total pagecache pages [ 364.733423] ? lock_release+0x970/0x970 [ 364.737626] 0 pages in swap cache [ 364.741408] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.745355] Swap cache stats: add 0, delete 0, find 0/0 [ 364.748786] ? kasan_check_write+0x14/0x20 [ 364.753953] Free swap = 0kB [ 364.759387] ? pvclock_read_flags+0x160/0x160 [ 364.763588] Total swap = 0kB [ 364.766590] ? lock_downgrade+0x900/0x900 [ 364.771055] 1965979 pages RAM [ 364.774057] ? trace_hardirqs_on+0xbd/0x310 [ 364.778171] 0 pages HighMem/MovableOnly [ 364.781259] ? kvm_sched_clock_read+0x9/0x20 [ 364.785542] 342307 pages reserved [ 364.785548] 0 pages cma reserved [ 364.789506] ? irq_exit+0x17f/0x1c0 [ 364.793937] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.797330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.800726] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.804287] ? check_preemption_disabled+0x48/0x200 [ 364.810741] syz-executor3 cpuset= [ 364.816263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.826714] syz3 [ 364.831716] run_timer_softirq+0x52/0xb0 [ 364.835137] mems_allowed=0 [ 364.840657] ? __this_cpu_preempt_check+0x1c/0x1f [ 364.854376] __do_softirq+0x30b/0xad8 [ 364.858172] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.863268] ? pvclock_read_flags+0x160/0x160 [ 364.867758] ? lapic_next_event+0x5a/0x90 [ 364.871894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.877423] ? clockevents_program_event+0x140/0x370 [ 364.882517] ? kvm_clock_read+0x18/0x30 [ 364.886480] ? kvm_sched_clock_read+0x9/0x20 [ 364.890877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.896405] ? check_preemption_disabled+0x48/0x200 [ 364.901414] irq_exit+0x17f/0x1c0 [ 364.904857] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.909688] ? smp_reschedule_interrupt+0x109/0x650 [ 364.914693] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.920574] ? interrupt_entry+0xb5/0xf0 [ 364.924625] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.929629] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.934636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.939468] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.944472] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.949485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.955023] ? check_preemption_disabled+0x48/0x200 [ 364.960035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.965563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.970403] apic_timer_interrupt+0xf/0x20 [ 364.974621] [ 364.976850] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 364.982033] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 365.000924] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 365.008620] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 365.015878] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 365.023139] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 365.030396] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 365.037652] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 365.044919] ? trace_hardirqs_on+0x9a/0x310 [ 365.049230] ? trace_hardirqs_on+0xb4/0x310 [ 365.053553] retint_kernel+0x1b/0x2d [ 365.057263] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 365.062528] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 365.081431] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 365.089128] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 365.096382] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 365.103641] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 365.110896] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 365.118152] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 365.125420] ? trace_hardirqs_on+0x9a/0x310 [ 365.129731] ? arch_local_irq_restore+0x45/0x52 [ 365.134390] dump_stack+0x26a/0x2b4 [ 365.138018] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.143198] ? mark_held_locks+0x130/0x130 [ 365.147422] ? mark_held_locks+0x130/0x130 [ 365.151651] dump_header+0x27b/0xf72 [ 365.155354] ? rcu_read_unlock+0x16/0x60 [ 365.159407] ? pagefault_out_of_memory+0x197/0x197 [ 365.164328] ? mark_held_locks+0x130/0x130 [ 365.168550] ? percpu_ref_put_many+0x13e/0x260 [ 365.173122] ? mem_cgroup_charge_statistics+0x780/0x780 [ 365.178477] ? mem_cgroup_iter+0x1f7/0x1160 [ 365.182788] ? mark_held_locks+0x130/0x130 [ 365.187022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.192551] ? task_will_free_mem+0x239/0xb30 [ 365.197046] ? ___ratelimit+0x36f/0x655 [ 365.201015] ? lock_downgrade+0x900/0x900 [ 365.205158] ? trace_hardirqs_on+0xbd/0x310 [ 365.209465] ? kasan_check_read+0x11/0x20 [ 365.213601] ? ___ratelimit+0x36f/0x655 [ 365.217566] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.223007] ? trace_hardirqs_on+0x310/0x310 [ 365.227405] ? lock_downgrade+0x900/0x900 [ 365.231545] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.236637] ? ___ratelimit+0xaa/0x655 [ 365.240516] ? idr_get_free+0xec0/0xec0 [ 365.244480] ? kasan_check_write+0x14/0x20 [ 365.248704] ? do_raw_spin_lock+0xc1/0x200 [ 365.252932] oom_kill_process.cold.27+0x10/0x903 [ 365.257684] ? lock_downgrade+0x900/0x900 [ 365.261827] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.267613] ? oom_evaluate_task+0x540/0x540 [ 365.272018] ? oom_unkillable_task+0x383/0x580 [ 365.276589] ? out_of_memory+0x974/0x1430 [ 365.280727] ? lock_downgrade+0x900/0x900 [ 365.284870] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.290656] ? __cpuset_node_allowed+0x19b/0x660 [ 365.295404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.300928] ? oom_evaluate_task+0x302/0x540 [ 365.305331] out_of_memory+0xa84/0x1430 [ 365.309303] ? oom_killer_disable+0x3a0/0x3a0 [ 365.313789] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 365.318710] ? __mutex_add_waiter+0x2a0/0x2a0 [ 365.323194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.328196] ? find_next_bit+0x104/0x130 [ 365.332254] __alloc_pages_slowpath+0x2318/0x2d80 [ 365.337105] ? warn_alloc+0x120/0x120 [ 365.340894] ? __radix_tree_lookup+0x4c0/0x4c0 [ 365.345477] ? find_get_entry+0x2f2/0xc40 [ 365.349620] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 365.354540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.360066] ? should_fail+0x22d/0xd01 [ 365.363944] ? ___might_sleep+0x1ed/0x300 [ 365.368089] ? lock_release+0x970/0x970 [ 365.372059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.377151] ? debug_smp_processor_id+0x1c/0x20 [ 365.381817] ? __might_sleep+0x95/0x190 [ 365.385787] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 365.390620] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.395636] ? lock_downgrade+0x900/0x900 [ 365.399777] ? ___might_sleep+0x1ed/0x300 [ 365.403911] ? lock_release+0x970/0x970 [ 365.407874] ? arch_local_save_flags+0x40/0x40 [ 365.412446] ? finish_task_switch+0x1f5/0x900 [ 365.416935] ? __might_sleep+0x95/0x190 [ 365.420907] __alloc_pages_nodemask+0xa80/0xde0 [ 365.425576] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.430588] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.436400] ? mark_held_locks+0x130/0x130 [ 365.440638] ? kasan_check_write+0x14/0x20 [ 365.444864] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 365.449528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.455058] ? __do_page_cache_readahead+0x7ce/0x980 [ 365.460158] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.465687] alloc_pages_current+0x10c/0x210 [ 365.470084] ? lock_downgrade+0x900/0x900 [ 365.474231] __page_cache_alloc+0x38f/0x5b0 [ 365.478543] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.484334] ? ext4_filemap_fault+0x82/0xad [ 365.488644] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 365.493302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.498831] ? check_preemption_disabled+0x48/0x200 [ 365.503840] filemap_fault+0x1594/0x25f0 [ 365.507898] ? __lock_page_or_retry+0xa00/0xa00 [ 365.512558] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.518342] ? lock_downgrade+0x900/0x900 [ 365.522483] ? trace_hardirqs_on+0xbd/0x310 [ 365.526791] ? kasan_check_read+0x11/0x20 [ 365.530932] ? __free_object+0x173/0x340 [ 365.535081] ? filemap_map_pages+0xdea/0x1980 [ 365.539572] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.544669] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 365.549931] ? debug_object_free+0x325/0x690 [ 365.554347] ? find_get_pages_range_tag+0x1320/0x1320 [ 365.559527] ? do_raw_spin_lock+0xc1/0x200 [ 365.563752] ? kasan_check_read+0x11/0x20 [ 365.567887] ? debug_object_destroy+0x2b0/0x2b0 [ 365.572547] ? kasan_check_write+0x14/0x20 [ 365.576777] ? lock_acquire+0x1ed/0x520 [ 365.580741] ? ext4_filemap_fault+0x7a/0xad [ 365.585053] ? lock_release+0x970/0x970 [ 365.589018] ? arch_local_save_flags+0x40/0x40 [ 365.593592] ? futex_wait_setup+0x3e0/0x3e0 [ 365.597910] ? down_read+0xb0/0x1d0 [ 365.601527] ? ext4_filemap_fault+0x7a/0xad [ 365.605841] ? __down_interruptible+0x700/0x700 [ 365.610508] ext4_filemap_fault+0x82/0xad [ 365.615191] __do_fault+0x100/0x6b0 [ 365.618814] ? print_bad_pte+0x6c0/0x6c0 [ 365.622865] ? do_futex+0x249/0x26d0 [ 365.626571] ? pmd_val+0x88/0x100 [ 365.630017] ? add_mm_counter_fast+0xd0/0xd0 [ 365.634413] ? pmd_val+0x88/0x100 [ 365.637855] ? add_mm_counter_fast+0xd0/0xd0 [ 365.642260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.647800] __handle_mm_fault+0x3709/0x53e0 [ 365.652200] ? perf_trace_lock+0x14d/0x7a0 [ 365.656434] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 365.661272] ? ksys_dup3+0x680/0x680 [ 365.664977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.670504] ? should_fail+0x22d/0xd01 [ 365.674390] ? lock_acquire+0x1ed/0x520 [ 365.678357] ? handle_mm_fault+0x42a/0xc70 [ 365.682581] ? lock_downgrade+0x900/0x900 [ 365.686813] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.692600] ? lock_downgrade+0x900/0x900 [ 365.696758] ? __do_page_fault+0x67d/0xed0 [ 365.700987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.706427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.711960] ? check_preemption_disabled+0x48/0x200 [ 365.716970] handle_mm_fault+0x54f/0xc70 [ 365.721024] ? __handle_mm_fault+0x53e0/0x53e0 [ 365.725595] ? find_vma+0x34/0x190 [ 365.729126] __do_page_fault+0x67d/0xed0 [ 365.733183] ? mm_fault_error+0x380/0x380 [ 365.737319] ? trace_hardirqs_off+0xb8/0x310 [ 365.741721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.747072] ? trace_hardirqs_on+0x310/0x310 [ 365.751473] do_page_fault+0xf2/0x7e0 [ 365.755267] ? vmalloc_sync_all+0x30/0x30 [ 365.759407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.764941] ? error_entry+0x70/0xd0 [ 365.768646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.773648] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.778571] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.783740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.788577] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.793586] ? trace_hardirqs_off+0x310/0x310 [ 365.798073] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.803080] ? page_fault+0x8/0x30 [ 365.806609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.811453] ? page_fault+0x8/0x30 [ 365.814986] page_fault+0x1e/0x30 [ 365.818431] RIP: 0033:0x40f9c0 [ 365.821613] Code: Bad RIP value. [ 365.824962] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 365.830324] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 365.837580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 365.844851] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 365.852108] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 365.859366] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 365.866638] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 365.866807] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.873913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.884117] syz-fuzzer cpuset= [ 365.893443] Call Trace: [ 365.893450] / [ 365.896617] [ 365.899177] mems_allowed=0 [ 365.900878] dump_stack+0x1c4/0x2b4 [ 365.909524] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.914725] warn_alloc.cold.119+0xb7/0x1bd [ 365.919038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.923871] ? lock_downgrade+0x900/0x900 [ 365.928016] ? trace_hardirqs_off+0xb8/0x310 [ 365.932420] ? trace_hardirqs_off+0xb8/0x310 [ 365.936832] __alloc_pages_slowpath+0x2667/0x2d80 [ 365.941684] ? warn_alloc+0x120/0x120 [ 365.945472] ? trace_hardirqs_on+0x310/0x310 [ 365.949869] ? warn_alloc+0x120/0x120 [ 365.953778] ? warn_alloc+0x120/0x120 [ 365.957570] ? ktime_get+0x2e1/0x440 [ 365.961277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.966803] ? check_preemption_disabled+0x48/0x200 [ 365.971809] ? kasan_check_read+0x11/0x20 [ 365.975957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.981485] ? should_fail+0x22d/0xd01 [ 365.985357] ? rcu_bh_qs+0xc0/0xc0 [ 365.988884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.993973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.999497] ? should_fail+0x22d/0xd01 [ 366.003375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.008464] ? should_fail+0x22d/0xd01 [ 366.012339] ? rcu_idle_enter+0x4b0/0x4b0 [ 366.016477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.021570] ? mark_held_locks+0x130/0x130 [ 366.025808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.031335] ? mark_held_locks+0x130/0x130 [ 366.035562] ? rcu_irq_exit+0xce/0x100 [ 366.039437] ? irq_exit+0xbd/0x1c0 [ 366.042968] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 366.047983] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.052381] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.058252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.063777] ? ret_from_intr+0xb/0x1e [ 366.067564] ? retint_kernel+0x2d/0x2d [ 366.071444] ? trace_hardirqs_on_caller+0xc0/0x310 [ 366.076362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.081107] ? trace_hardirqs_off+0x310/0x310 [ 366.085592] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.090697] __alloc_pages_nodemask+0xa80/0xde0 [ 366.095353] ? should_fail+0x22d/0xd01 [ 366.099235] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.104252] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.108919] ? lock_downgrade+0x900/0x900 [ 366.113064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.118592] cache_grow_begin+0x91/0x8c0 [ 366.122654] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.127059] fallback_alloc+0x203/0x2e0 [ 366.131029] ____cache_alloc_node+0x1c7/0x1e0 [ 366.135519] kmem_cache_alloc_node+0xe3/0x730 [ 366.140005] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.144237] __alloc_skb+0x119/0x770 [ 366.147940] ? skb_scrub_packet+0x490/0x490 [ 366.152249] ? lock_downgrade+0x900/0x900 [ 366.156387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.161915] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.167370] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.172812] ? addrconf_rs_timer+0x690/0x690 [ 366.177216] ndisc_alloc_skb+0x144/0x340 [ 366.181272] ndisc_send_rs+0x331/0x6e0 [ 366.185150] addrconf_rs_timer+0x314/0x690 [ 366.189376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.193605] call_timer_fn+0x272/0x920 [ 366.197479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.201704] ? process_timeout+0x40/0x40 [ 366.205752] ? trace_hardirqs_off+0xb8/0x310 [ 366.210148] ? kasan_check_read+0x11/0x20 [ 366.214288] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.218688] ? trace_hardirqs_on+0x310/0x310 [ 366.223087] ? __run_timers+0x7da/0xc70 [ 366.227051] ? lock_downgrade+0x900/0x900 [ 366.231192] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.236285] ? trace_hardirqs_on+0xbd/0x310 [ 366.240594] ? kasan_check_read+0x11/0x20 [ 366.244730] ? __run_timers+0x7da/0xc70 [ 366.248691] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.254132] ? kasan_check_write+0x14/0x20 [ 366.258359] ? do_raw_spin_lock+0xc1/0x200 [ 366.262584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.266809] __run_timers+0x7e5/0xc70 [ 366.270607] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.275959] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.280966] ? timerqueue_add+0x207/0x2b0 [ 366.285104] ? enqueue_hrtimer+0x1a5/0x560 [ 366.289328] ? lock_release+0x970/0x970 [ 366.293289] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.298468] ? kasan_check_write+0x14/0x20 [ 366.302697] ? pvclock_read_flags+0x160/0x160 [ 366.307183] ? lock_downgrade+0x900/0x900 [ 366.311325] ? trace_hardirqs_on+0xbd/0x310 [ 366.315637] ? kvm_sched_clock_read+0x9/0x20 [ 366.320038] ? irq_exit+0x17f/0x1c0 [ 366.323658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.329184] ? check_preemption_disabled+0x48/0x200 [ 366.334190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.339718] run_timer_softirq+0x52/0xb0 [ 366.343767] ? __this_cpu_preempt_check+0x1c/0x1f [ 366.348599] __do_softirq+0x30b/0xad8 [ 366.352395] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 366.357493] ? pvclock_read_flags+0x160/0x160 [ 366.361978] ? lapic_next_event+0x5a/0x90 [ 366.366118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.371648] ? clockevents_program_event+0x140/0x370 [ 366.376741] ? kvm_clock_read+0x18/0x30 [ 366.380704] ? kvm_sched_clock_read+0x9/0x20 [ 366.385102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.390713] ? check_preemption_disabled+0x48/0x200 [ 366.395727] irq_exit+0x17f/0x1c0 [ 366.399170] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.404005] ? smp_reschedule_interrupt+0x109/0x650 [ 366.409016] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.414894] ? interrupt_entry+0xb5/0xf0 [ 366.418944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.423949] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.428953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.433783] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.438787] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.443792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.449320] ? check_preemption_disabled+0x48/0x200 [ 366.454330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.459859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.464699] apic_timer_interrupt+0xf/0x20 [ 366.468919] [ 366.471148] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.476067] 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 [ 366.494954] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.502655] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 366.509914] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 366.517171] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 366.524430] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 366.531689] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 366.538954] ? trace_hardirqs_on+0xb4/0x310 [ 366.543272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.548801] skb_clone+0x1bb/0x500 [ 366.552329] ? skb_split+0x11e0/0x11e0 [ 366.556204] ? check_preemption_disabled+0x48/0x200 [ 366.561222] ? __this_cpu_preempt_check+0x1c/0x1f [ 366.566056] ? __bpf_redirect+0x54b/0xb20 [ 366.570189] ? __switch_to_asm+0x34/0x70 [ 366.574244] bpf_clone_redirect+0xb9/0x490 [ 366.578474] bpf_prog_466abe619656067b+0x436/0x1000 [ 366.583482] ? __sched_text_start+0x8/0x8 [ 366.587624] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.592370] ? retint_kernel+0x2d/0x2d [ 366.596251] ? lock_acquire+0x1ed/0x520 [ 366.600223] ? bpf_test_run+0x32e/0x5a0 [ 366.604189] ? lock_downgrade+0x900/0x900 [ 366.608327] ? lock_release+0x970/0x970 [ 366.612292] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 366.618081] ? preempt_schedule_common+0x1f/0xd0 [ 366.622827] ? preempt_schedule+0x4d/0x60 [ 366.626967] ? ___preempt_schedule+0x16/0x18 [ 366.631366] ? bpf_test_run+0x1c0/0x5a0 [ 366.635331] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.639733] ? bpf_prog_test_run_skb+0x295/0xb40 [ 366.644481] ? bpf_prog_test_run_skb+0x634/0xb40 [ 366.649231] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.654063] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.659589] ? fput+0x130/0x1a0 [ 366.662869] ? __bpf_prog_get+0x9b/0x290 [ 366.666923] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.671753] ? bpf_prog_test_run+0x130/0x1a0 [ 366.676154] ? __x64_sys_bpf+0x3d8/0x510 [ 366.680207] ? bpf_prog_get+0x20/0x20 [ 366.684007] ? do_syscall_64+0x1b9/0x820 [ 366.688057] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.693411] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.698330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.703166] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.708173] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.713182] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.718280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.723120] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.728480] warn_alloc_show_mem: 1 callbacks suppressed [ 366.728490] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 366.728491] Mem-Info: [ 366.728520] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 366.728520] active_file:98 inactive_file:120 isolated_file:0 [ 366.728520] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.728520] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 366.728520] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 366.728520] free:13602 free_pcp:142 free_cma:0 [ 366.733855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.733863] Call Trace: [ 366.740788] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.743178] [ 366.776127] Node 0 [ 366.785480] dump_stack+0x1c4/0x2b4 [ 366.788046] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.815787] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.817901] lowmem_reserve[]: 0 [ 366.820135] warn_alloc.cold.119+0xb7/0x1bd [ 366.823732] 2819 [ 366.849230] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.854385] 6323 [ 366.857648] ? lock_downgrade+0x900/0x900 [ 366.861938] 6323 [ 366.863988] ? trace_hardirqs_off+0xb8/0x310 [ 366.868798] Node 0 [ 366.870855] ? trace_hardirqs_off+0xb8/0x310 [ 366.874997] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 366.877026] __alloc_pages_slowpath+0x2667/0x2d80 [ 366.881392] lowmem_reserve[]: 0 [ 366.883632] ? warn_alloc+0x120/0x120 [ 366.888009] 0 [ 366.914537] ? warn_alloc+0x120/0x120 [ 366.919347] 3503 [ 366.922610] ? warn_alloc+0x120/0x120 [ 366.926380] 3503 [ 366.928176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.931943] Node 0 [ 366.933992] ? should_fail+0x22d/0xd01 [ 366.937785] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 366.939811] ? lock_downgrade+0x900/0x900 [ 366.945315] lowmem_reserve[]: [ 366.947541] ? check_preemption_disabled+0x48/0x200 [ 366.951392] 0 0 [ 366.979867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.983983] 0 [ 366.987078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.992061] 0 [ 366.994029] ? should_fail+0x22d/0xd01 [ 367.000891] ? cpuacct_charge+0x282/0x440 [ 367.006394] Node 0 [ 367.008192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.012047] DMA: [ 367.016195] ? should_fail+0x22d/0xd01 [ 367.018399] 1*4kB [ 367.023490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.025522] (U) [ 367.029411] ? mark_held_locks+0x130/0x130 [ 367.031530] 0*8kB [ 367.036613] ? update_curr+0x4ec/0xbe0 [ 367.038558] 0*16kB [ 367.042778] ? mark_held_locks+0x130/0x130 [ 367.044896] 1*32kB [ 367.048764] ? select_task_rq_fair+0x754/0x3500 [ 367.050970] (U) [ 367.055191] ? lock_downgrade+0x900/0x900 [ 367.057401] 2*64kB [ 367.062054] ? __cpu_to_node+0x7d/0xa0 [ 367.063995] (U) [ 367.068131] ? account_entity_enqueue+0x3a3/0x660 [ 367.070334] 1*128kB [ 367.074207] ? __enqueue_entity+0x10d/0x1f0 [ 367.076157] (U) [ 367.080987] ? check_preemption_disabled+0x48/0x200 [ 367.083276] 1*256kB [ 367.087586] __alloc_pages_nodemask+0xa80/0xde0 [ 367.089525] (U) [ 367.094526] ? should_fail+0x22d/0xd01 [ 367.096813] 0*512kB 1*1024kB [ 367.101476] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.103423] (U) [ 367.107305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.110369] 1*2048kB [ 367.115365] ? lock_downgrade+0x900/0x900 [ 367.117309] (M) [ 367.121970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.124350] 3*4096kB [ 367.128481] cache_grow_begin+0x91/0x8c0 [ 367.130422] (M) [ 367.135954] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.138330] = 15908kB [ 367.142376] fallback_alloc+0x203/0x2e0 [ 367.144318] Node 0 [ 367.148707] ____cache_alloc_node+0x1c7/0x1e0 [ 367.151088] DMA32: [ 367.155048] kmem_cache_alloc_node+0xe3/0x730 [ 367.157252] 5*4kB [ 367.161746] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.163953] (UM) [ 367.168434] __alloc_skb+0x119/0x770 [ 367.170551] 0*8kB [ 367.174771] ? skb_scrub_packet+0x490/0x490 [ 367.176803] 5*16kB [ 367.180506] ? lock_downgrade+0x900/0x900 [ 367.182622] (UMH) [ 367.186928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.189133] 5*32kB [ 367.193265] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.195385] (UMH) [ 367.200908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.203114] 7*64kB [ 367.208558] ? addrconf_rs_timer+0x690/0x690 [ 367.210678] (UM) [ 367.216120] ndisc_alloc_skb+0x144/0x340 [ 367.218325] 4*128kB [ 367.222720] ndisc_send_rs+0x331/0x6e0 [ 367.224751] (UM) [ 367.228801] addrconf_rs_timer+0x314/0x690 [ 367.231100] 5*256kB [ 367.234974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.237004] (UMH) [ 367.241227] call_timer_fn+0x272/0x920 [ 367.243517] 4*512kB [ 367.247736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.249852] (UM) [ 367.253724] ? process_timeout+0x40/0x40 [ 367.256015] 4*1024kB [ 367.260232] ? trace_hardirqs_off+0xb8/0x310 [ 367.262260] (UMH) [ 367.266304] ? kasan_check_read+0x11/0x20 [ 367.268686] 4*2048kB [ 367.273082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.275200] (UM) [ 367.279331] ? trace_hardirqs_on+0x310/0x310 [ 367.281716] 2*4096kB [ 367.286112] ? __run_timers+0x7da/0xc70 [ 367.288147] (M) [ 367.292540] ? lock_downgrade+0x900/0x900 [ 367.294920] = 25028kB [ 367.298883] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.300829] Node 0 [ 367.304962] ? trace_hardirqs_on+0xbd/0x310 [ 367.307338] Normal: [ 367.312425] ? kasan_check_read+0x11/0x20 [ 367.314633] 809*4kB [ 367.318938] ? __run_timers+0x7da/0xc70 [ 367.321232] (UMEH) [ 367.325363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.327655] 372*8kB [ 367.331615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.333822] (UMEH) [ 367.339260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.341558] 191*16kB [ 367.347080] __run_timers+0x7e5/0xc70 [ 367.349285] (UMEH) [ 367.353511] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.355886] 81*32kB [ 367.359673] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.361876] (UME) [ 367.367224] ? timerqueue_add+0x207/0x2b0 [ 367.369513] 21*64kB [ 367.374514] ? enqueue_hrtimer+0x1a5/0x560 [ 367.376635] (UMH) [ 367.380766] ? lock_release+0x970/0x970 [ 367.383059] 3*128kB [ 367.387279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.389403] (UH) [ 367.393366] ? kasan_check_write+0x14/0x20 [ 367.395658] 0*256kB [ 367.400835] ? pvclock_read_flags+0x160/0x160 [ 367.402870] 0*512kB [ 367.407099] ? lock_downgrade+0x900/0x900 [ 367.409392] 0*1024kB [ 367.413875] ? trace_hardirqs_on+0xbd/0x310 [ 367.416166] 0*2048kB [ 367.420299] ? kvm_sched_clock_read+0x9/0x20 [ 367.422679] 0*4096kB [ 367.426985] ? irq_exit+0x17f/0x1c0 [ 367.429367] = 13588kB [ 367.433759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.436144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.439776] ? check_preemption_disabled+0x48/0x200 [ 367.442160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.442167] 348 total pagecache pages [ 367.447691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.456496] 0 pages in swap cache [ 367.461500] run_timer_softirq+0x52/0xb0 [ 367.470044] Swap cache stats: add 0, delete 0, find 0/0 [ 367.473829] ? __this_cpu_preempt_check+0x1c/0x1f [ 367.479331] Free swap = 0kB [ 367.482771] __do_softirq+0x30b/0xad8 [ 367.486807] Total swap = 0kB [ 367.492166] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.496982] 1965979 pages RAM [ 367.499986] ? pvclock_read_flags+0x160/0x160 [ 367.503756] 0 pages HighMem/MovableOnly [ 367.506756] ? lapic_next_event+0x5a/0x90 [ 367.511828] 342307 pages reserved [ 367.514920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.519379] 0 pages cma reserved [ 367.523336] ? clockevents_program_event+0x140/0x370 [ 367.527496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.530895] ? kvm_clock_read+0x18/0x30 [ 367.530910] ? kvm_sched_clock_read+0x9/0x20 [ 367.536469] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.539767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.544853] syz-executor3 cpuset= [ 367.551331] ? check_preemption_disabled+0x48/0x200 [ 367.555270] syz3 [ 367.559667] irq_exit+0x17f/0x1c0 [ 367.570125] mems_allowed=0 [ 367.575672] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.597223] ? smp_reschedule_interrupt+0x109/0x650 [ 367.602234] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.608110] ? interrupt_entry+0xb5/0xf0 [ 367.612163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.617713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.622722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.627552] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.632557] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.637563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.643089] ? check_preemption_disabled+0x48/0x200 [ 367.648098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.653632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.658468] apic_timer_interrupt+0xf/0x20 [ 367.662684] [ 367.664917] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 367.670098] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 367.688987] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.696688] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 367.703945] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 367.711205] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 367.718466] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 367.725724] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 367.732997] ? trace_hardirqs_on+0x9a/0x310 [ 367.737313] ? trace_hardirqs_on+0xb4/0x310 [ 367.741631] retint_kernel+0x1b/0x2d [ 367.745336] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 367.750604] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 367.769493] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 367.777195] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 367.784716] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 367.791973] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 367.799227] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 367.806484] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 367.813766] ? trace_hardirqs_on+0x9a/0x310 [ 367.818079] ? arch_local_irq_restore+0x45/0x52 [ 367.822746] dump_stack+0x26a/0x2b4 [ 367.826379] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.831562] ? mark_held_locks+0x130/0x130 [ 367.835790] ? mark_held_locks+0x130/0x130 [ 367.840026] dump_header+0x27b/0xf72 [ 367.843732] ? rcu_read_unlock+0x16/0x60 [ 367.847796] ? pagefault_out_of_memory+0x197/0x197 [ 367.852720] ? mark_held_locks+0x130/0x130 [ 367.856953] ? percpu_ref_put_many+0x13e/0x260 [ 367.861527] ? mem_cgroup_charge_statistics+0x780/0x780 [ 367.866891] ? mem_cgroup_iter+0x1f7/0x1160 [ 367.871205] ? mark_held_locks+0x130/0x130 [ 367.875441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.880973] ? task_will_free_mem+0x239/0xb30 [ 367.885465] ? ___ratelimit+0x36f/0x655 [ 367.889430] ? lock_downgrade+0x900/0x900 [ 367.893570] ? trace_hardirqs_on+0xbd/0x310 [ 367.897886] ? kasan_check_read+0x11/0x20 [ 367.902032] ? ___ratelimit+0x36f/0x655 [ 367.905997] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.911457] ? trace_hardirqs_on+0x310/0x310 [ 367.915855] ? lock_downgrade+0x900/0x900 [ 367.919995] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.925097] ? ___ratelimit+0xaa/0x655 [ 367.928980] ? idr_get_free+0xec0/0xec0 [ 367.932951] ? kasan_check_write+0x14/0x20 [ 367.937177] ? do_raw_spin_lock+0xc1/0x200 [ 367.941408] oom_kill_process.cold.27+0x10/0x903 [ 367.946156] ? lock_downgrade+0x900/0x900 [ 367.950303] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 367.956089] ? oom_evaluate_task+0x540/0x540 [ 367.960494] ? oom_unkillable_task+0x383/0x580 [ 367.965064] ? out_of_memory+0x974/0x1430 [ 367.969200] ? lock_downgrade+0x900/0x900 [ 367.973339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 367.979124] ? __cpuset_node_allowed+0x19b/0x660 [ 367.983876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.989399] ? oom_evaluate_task+0x302/0x540 [ 367.993798] out_of_memory+0xa84/0x1430 [ 367.997773] ? oom_killer_disable+0x3a0/0x3a0 [ 368.002259] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 368.007183] ? __mutex_add_waiter+0x2a0/0x2a0 [ 368.011671] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.016678] ? find_next_bit+0x104/0x130 [ 368.020740] __alloc_pages_slowpath+0x2318/0x2d80 [ 368.025590] ? warn_alloc+0x120/0x120 [ 368.029382] ? __radix_tree_lookup+0x4c0/0x4c0 [ 368.033963] ? find_get_entry+0x2f2/0xc40 [ 368.038111] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 368.043032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.048564] ? should_fail+0x22d/0xd01 [ 368.052444] ? ___might_sleep+0x1ed/0x300 [ 368.056584] ? lock_release+0x970/0x970 [ 368.060550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.065741] ? debug_smp_processor_id+0x1c/0x20 [ 368.070409] ? __might_sleep+0x95/0x190 [ 368.074378] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 368.079214] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.084228] ? lock_downgrade+0x900/0x900 [ 368.088373] ? ___might_sleep+0x1ed/0x300 [ 368.092513] ? lock_release+0x970/0x970 [ 368.096492] ? arch_local_save_flags+0x40/0x40 [ 368.101068] ? finish_task_switch+0x1f5/0x900 [ 368.105562] ? __might_sleep+0x95/0x190 [ 368.109530] __alloc_pages_nodemask+0xa80/0xde0 [ 368.114192] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.119205] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.124993] ? mark_held_locks+0x130/0x130 [ 368.129220] ? kasan_check_write+0x14/0x20 [ 368.133450] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 368.138114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.143642] ? __do_page_cache_readahead+0x7ce/0x980 [ 368.148750] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 368.154281] alloc_pages_current+0x10c/0x210 [ 368.158682] ? lock_downgrade+0x900/0x900 [ 368.162823] __page_cache_alloc+0x38f/0x5b0 [ 368.167138] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.172931] ? ext4_filemap_fault+0x82/0xad [ 368.177246] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 368.181907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.187439] ? check_preemption_disabled+0x48/0x200 [ 368.192448] filemap_fault+0x1594/0x25f0 [ 368.196510] ? __lock_page_or_retry+0xa00/0xa00 [ 368.201172] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.206961] ? lock_downgrade+0x900/0x900 [ 368.211106] ? trace_hardirqs_on+0xbd/0x310 [ 368.215413] ? kasan_check_read+0x11/0x20 [ 368.219552] ? __free_object+0x173/0x340 [ 368.223608] ? filemap_map_pages+0xdea/0x1980 [ 368.228097] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.233195] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 368.238458] ? debug_object_free+0x325/0x690 [ 368.242860] ? find_get_pages_range_tag+0x1320/0x1320 [ 368.248043] ? do_raw_spin_lock+0xc1/0x200 [ 368.252275] ? kasan_check_read+0x11/0x20 [ 368.256416] ? debug_object_destroy+0x2b0/0x2b0 [ 368.261180] ? kasan_check_write+0x14/0x20 [ 368.265409] ? lock_acquire+0x1ed/0x520 [ 368.269375] ? ext4_filemap_fault+0x7a/0xad [ 368.273688] ? lock_release+0x970/0x970 [ 368.277673] ? arch_local_save_flags+0x40/0x40 [ 368.282248] ? futex_wait_setup+0x3e0/0x3e0 [ 368.286569] ? down_read+0xb0/0x1d0 [ 368.290185] ? ext4_filemap_fault+0x7a/0xad [ 368.294500] ? __down_interruptible+0x700/0x700 [ 368.299168] ext4_filemap_fault+0x82/0xad [ 368.303308] __do_fault+0x100/0x6b0 [ 368.306928] ? print_bad_pte+0x6c0/0x6c0 [ 368.310983] ? do_futex+0x249/0x26d0 [ 368.314688] ? pmd_val+0x88/0x100 [ 368.318136] ? add_mm_counter_fast+0xd0/0xd0 [ 368.322657] ? pmd_val+0x88/0x100 [ 368.326109] ? add_mm_counter_fast+0xd0/0xd0 [ 368.330508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.336041] __handle_mm_fault+0x3709/0x53e0 [ 368.340440] ? perf_trace_lock+0x14d/0x7a0 [ 368.344668] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 368.349503] ? ksys_dup3+0x680/0x680 [ 368.353205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.358733] ? should_fail+0x22d/0xd01 [ 368.362614] ? lock_acquire+0x1ed/0x520 [ 368.366579] ? handle_mm_fault+0x42a/0xc70 [ 368.370802] ? lock_downgrade+0x900/0x900 [ 368.374943] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.380733] ? lock_downgrade+0x900/0x900 [ 368.384871] ? __do_page_fault+0x67d/0xed0 [ 368.389097] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.394540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.400070] ? check_preemption_disabled+0x48/0x200 [ 368.405088] handle_mm_fault+0x54f/0xc70 [ 368.409147] ? __handle_mm_fault+0x53e0/0x53e0 [ 368.413730] ? find_vma+0x34/0x190 [ 368.417267] __do_page_fault+0x67d/0xed0 [ 368.421326] ? mm_fault_error+0x380/0x380 [ 368.425464] ? trace_hardirqs_off+0xb8/0x310 [ 368.429863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.435221] ? trace_hardirqs_on+0x310/0x310 [ 368.439625] do_page_fault+0xf2/0x7e0 [ 368.443417] ? vmalloc_sync_all+0x30/0x30 [ 368.447556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.453087] ? error_entry+0x70/0xd0 [ 368.456797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.461804] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.466724] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.471645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.476482] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.481492] ? trace_hardirqs_off+0x310/0x310 [ 368.485986] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.490997] ? page_fault+0x8/0x30 [ 368.494529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.499363] ? page_fault+0x8/0x30 [ 368.502892] page_fault+0x1e/0x30 [ 368.506337] RIP: 0033:0x40f9c0 [ 368.509524] Code: Bad RIP value. [ 368.512875] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 368.518231] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 368.525501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 368.532760] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 368.540019] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 368.547278] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 368.554556] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 368.554614] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.561827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.561831] Call Trace: [ 368.561836] [ 368.561855] dump_stack+0x1c4/0x2b4 [ 368.561871] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.568386] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.577679] warn_alloc.cold.119+0xb7/0x1bd [ 368.580237] syz-fuzzer cpuset= [ 368.582455] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.586046] / [ 368.591219] ? lock_downgrade+0x900/0x900 [ 368.601413] mems_allowed=0 [ 368.605722] ? trace_hardirqs_off+0xb8/0x310 [ 368.626844] ? trace_hardirqs_off+0xb8/0x310 [ 368.631250] __alloc_pages_slowpath+0x2667/0x2d80 [ 368.636099] ? warn_alloc+0x120/0x120 [ 368.639897] ? __mix_pool_bytes+0x100/0x440 [ 368.644210] ? warn_alloc+0x120/0x120 [ 368.648003] ? kasan_check_read+0x11/0x20 [ 368.652143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.656545] ? warn_alloc+0x120/0x120 [ 368.660345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.665873] ? should_fail+0x22d/0xd01 [ 368.669754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.675282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.680374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.685990] ? should_fail+0x22d/0xd01 [ 368.689869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.694959] ? should_fail+0x22d/0xd01 [ 368.698838] ? handle_irq_event+0xb2/0x135 [ 368.703063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.708161] ? mark_held_locks+0x130/0x130 [ 368.712389] ? mark_held_locks+0x130/0x130 [ 368.716617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.722149] ? rcu_nmi_exit+0xdb/0x280 [ 368.726039] ? ret_from_intr+0xb/0x1e [ 368.729831] ? retint_kernel+0x2d/0x2d [ 368.733709] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.738631] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 368.743376] ? trace_hardirqs_off+0x310/0x310 [ 368.747863] ? check_preemption_disabled+0x48/0x200 [ 368.752869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.758405] __alloc_pages_nodemask+0xa80/0xde0 [ 368.763070] ? should_fail+0x22d/0xd01 [ 368.766954] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.771975] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.776638] ? lock_downgrade+0x900/0x900 [ 368.780786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.786322] cache_grow_begin+0x91/0x8c0 [ 368.790375] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.794777] fallback_alloc+0x203/0x2e0 [ 368.798746] ____cache_alloc_node+0x1c7/0x1e0 [ 368.803236] kmem_cache_alloc_node+0xe3/0x730 [ 368.807724] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.811962] __alloc_skb+0x119/0x770 [ 368.815674] ? skb_scrub_packet+0x490/0x490 [ 368.819988] ? lock_downgrade+0x900/0x900 [ 368.824132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.829674] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.835122] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.840566] ? addrconf_rs_timer+0x690/0x690 [ 368.844974] ndisc_alloc_skb+0x144/0x340 [ 368.849032] ndisc_send_rs+0x331/0x6e0 [ 368.852917] addrconf_rs_timer+0x314/0x690 [ 368.857148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.861383] call_timer_fn+0x272/0x920 [ 368.865264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.869491] ? process_timeout+0x40/0x40 [ 368.873543] ? trace_hardirqs_off+0xb8/0x310 [ 368.877942] ? kasan_check_read+0x11/0x20 [ 368.882082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.886492] ? trace_hardirqs_on+0x310/0x310 [ 368.890895] ? __run_timers+0x7da/0xc70 [ 368.894861] ? lock_downgrade+0x900/0x900 [ 368.899003] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.904097] ? trace_hardirqs_on+0xbd/0x310 [ 368.908410] ? kasan_check_read+0x11/0x20 [ 368.912552] ? __run_timers+0x7da/0xc70 [ 368.916515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.921997] ? kasan_check_write+0x14/0x20 [ 368.926241] ? do_raw_spin_lock+0xc1/0x200 [ 368.930470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.934707] __run_timers+0x7e5/0xc70 [ 368.938509] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 368.943869] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.948877] ? timerqueue_add+0x207/0x2b0 [ 368.953017] ? enqueue_hrtimer+0x1a5/0x560 [ 368.957240] ? lock_release+0x970/0x970 [ 368.961201] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.966383] ? kasan_check_write+0x14/0x20 [ 368.970615] ? pvclock_read_flags+0x160/0x160 [ 368.975100] ? lock_downgrade+0x900/0x900 [ 368.979262] ? trace_hardirqs_on+0xbd/0x310 [ 368.983589] ? kvm_sched_clock_read+0x9/0x20 [ 368.987990] ? irq_exit+0x17f/0x1c0 [ 368.991698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.997230] ? check_preemption_disabled+0x48/0x200 [ 369.002236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.007765] run_timer_softirq+0x52/0xb0 [ 369.011816] ? __this_cpu_preempt_check+0x1c/0x1f [ 369.016661] __do_softirq+0x30b/0xad8 [ 369.020460] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 369.025557] ? pvclock_read_flags+0x160/0x160 [ 369.030042] ? lapic_next_event+0x5a/0x90 [ 369.034179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.039711] ? clockevents_program_event+0x140/0x370 [ 369.044807] ? kvm_clock_read+0x18/0x30 [ 369.048770] ? kvm_sched_clock_read+0x9/0x20 [ 369.053173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.058703] ? check_preemption_disabled+0x48/0x200 [ 369.063720] irq_exit+0x17f/0x1c0 [ 369.067167] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.072000] ? smp_reschedule_interrupt+0x109/0x650 [ 369.077014] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.082891] ? interrupt_entry+0xb5/0xf0 [ 369.086965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.091971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.096978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.101814] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.106819] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.111837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.117364] ? check_preemption_disabled+0x48/0x200 [ 369.122368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.127906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.132744] apic_timer_interrupt+0xf/0x20 [ 369.136960] [ 369.139193] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.144112] 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 [ 369.163005] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.170705] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 369.177960] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 369.185223] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 369.192483] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 369.199739] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 369.207014] ? trace_hardirqs_on+0xb4/0x310 [ 369.211333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.216865] skb_clone+0x1bb/0x500 [ 369.220399] ? skb_split+0x11e0/0x11e0 [ 369.224277] ? check_preemption_disabled+0x48/0x200 [ 369.229287] ? __this_cpu_preempt_check+0x1c/0x1f [ 369.234124] ? __bpf_redirect+0x54b/0xb20 [ 369.238276] ? __switch_to_asm+0x34/0x70 [ 369.242330] bpf_clone_redirect+0xb9/0x490 [ 369.246570] bpf_prog_466abe619656067b+0x436/0x1000 [ 369.251581] ? __sched_text_start+0x8/0x8 [ 369.255725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.260480] ? retint_kernel+0x2d/0x2d [ 369.264369] ? lock_acquire+0x1ed/0x520 [ 369.268335] ? bpf_test_run+0x32e/0x5a0 [ 369.272310] ? lock_downgrade+0x900/0x900 [ 369.276447] ? lock_release+0x970/0x970 [ 369.280411] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 369.286205] ? preempt_schedule_common+0x1f/0xd0 [ 369.290949] ? preempt_schedule+0x4d/0x60 [ 369.295087] ? ___preempt_schedule+0x16/0x18 [ 369.299488] ? bpf_test_run+0x1c0/0x5a0 [ 369.303459] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.307862] ? bpf_prog_test_run_skb+0x295/0xb40 [ 369.312608] ? bpf_prog_test_run_skb+0x634/0xb40 [ 369.317366] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.322203] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.327730] ? fput+0x130/0x1a0 [ 369.331000] ? __bpf_prog_get+0x9b/0x290 [ 369.335051] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.339885] ? bpf_prog_test_run+0x130/0x1a0 [ 369.344289] ? __x64_sys_bpf+0x3d8/0x510 [ 369.348340] ? bpf_prog_get+0x20/0x20 [ 369.352142] ? do_syscall_64+0x1b9/0x820 [ 369.356197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.361557] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.366650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.371487] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.376496] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.381504] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.386514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.391352] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.396730] warn_alloc_show_mem: 1 callbacks suppressed [ 369.396739] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 369.396741] Mem-Info: [ 369.396768] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 369.396768] active_file:98 inactive_file:120 isolated_file:0 [ 369.396768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 369.396768] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 369.396768] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 369.396768] free:13602 free_pcp:142 free_cma:0 [ 369.402105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.409037] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 369.411423] Call Trace: [ 369.444373] Node 0 [ 369.453713] [ 369.481389] 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 [ 369.483944] dump_stack+0x1c4/0x2b4 [ 369.486142] lowmem_reserve[]: [ 369.488282] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.513746] 0 2819 [ 369.517373] warn_alloc.cold.119+0xb7/0x1bd [ 369.520448] 6323 [ 369.525630] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.527834] 6323 [ 369.532140] ? lock_downgrade+0x900/0x900 [ 369.539000] ? trace_hardirqs_off+0xb8/0x310 [ 369.541031] Node 0 [ 369.545163] ? trace_hardirqs_off+0xb8/0x310 [ 369.549561] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 369.551763] __alloc_pages_slowpath+0x2667/0x2d80 [ 369.556137] lowmem_reserve[]: [ 369.582675] ? warn_alloc+0x120/0x120 [ 369.587473] 0 [ 369.590561] ? trace_hardirqs_on+0x310/0x310 [ 369.594327] 0 [ 369.596123] ? warn_alloc+0x120/0x120 [ 369.600497] 3503 [ 369.602305] ? warn_alloc+0x120/0x120 [ 369.606075] 3503 [ 369.608121] ? ktime_get+0x2e1/0x440 [ 369.614410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.618108] Node 0 [ 369.623626] ? check_preemption_disabled+0x48/0x200 [ 369.623657] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 369.625860] ? kasan_check_read+0x11/0x20 [ 369.630841] lowmem_reserve[]: [ 369.659277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.663392] 0 [ 369.666484] ? should_fail+0x22d/0xd01 [ 369.671988] 0 0 [ 369.673784] ? rcu_bh_qs+0xc0/0xc0 [ 369.677633] 0 [ 369.679609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.683115] Node 0 [ 369.684902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.690402] DMA: 1*4kB [ 369.692636] ? should_fail+0x22d/0xd01 [ 369.698141] (U) [ 369.700715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.704572] 0*8kB [ 369.706539] ? should_fail+0x22d/0xd01 [ 369.711611] 0*16kB [ 369.713747] ? rcu_idle_enter+0x4b0/0x4b0 [ 369.717610] 1*32kB [ 369.719836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.723950] (U) [ 369.726171] ? mark_held_locks+0x130/0x130 [ 369.731242] 2*64kB [ 369.733206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.737404] (U) [ 369.739628] ? mark_held_locks+0x130/0x130 [ 369.745132] 1*128kB [ 369.747096] ? rcu_irq_exit+0xce/0x100 [ 369.751295] (U) [ 369.753613] ? irq_exit+0xbd/0x1c0 [ 369.757470] 1*256kB [ 369.759431] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.762937] (U) [ 369.765246] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.770238] 0*512kB 1*1024kB [ 369.772205] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.776588] (U) [ 369.779678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.786043] 1*2048kB (M) [ 369.788017] ? ret_from_intr+0xb/0x1e [ 369.793519] 3*4096kB [ 369.796262] ? retint_kernel+0x2d/0x2d [ 369.800029] (M) [ 369.802423] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.806275] = 15908kB [ 369.808234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.813133] Node 0 [ 369.815527] ? trace_hardirqs_off+0x310/0x310 [ 369.820253] DMA32: [ 369.822477] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.826940] 5*4kB [ 369.829169] __alloc_pages_nodemask+0xa80/0xde0 [ 369.834237] (UM) [ 369.836375] ? should_fail+0x22d/0xd01 [ 369.841008] 0*8kB [ 369.843059] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.846917] 5*16kB [ 369.849061] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.854051] (UMH) [ 369.856276] ? lock_downgrade+0x900/0x900 [ 369.860914] 5*32kB [ 369.863049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.867172] (UMH) [ 369.869399] cache_grow_begin+0x91/0x8c0 [ 369.874907] 7*64kB [ 369.877044] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.881081] (UM) [ 369.883307] fallback_alloc+0x203/0x2e0 [ 369.887684] 4*128kB [ 369.889734] ____cache_alloc_node+0x1c7/0x1e0 [ 369.893670] (UM) 5*256kB [ 369.895989] kmem_cache_alloc_node+0xe3/0x730 [ 369.900450] (UMH) [ 369.903203] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.907664] 4*512kB (UM) [ 369.909813] __alloc_skb+0x119/0x770 [ 369.914013] 4*1024kB (UMH) [ 369.916760] ? skb_scrub_packet+0x490/0x490 [ 369.920442] 4*2048kB [ 369.923358] ? lock_downgrade+0x900/0x900 [ 369.927645] (UM) [ 369.930045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.934159] 2*4096kB [ 369.936208] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.941709] (M) [ 369.944110] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.949527] = 25028kB [ 369.951488] ? addrconf_rs_timer+0x690/0x690 [ 369.956902] Node 0 [ 369.959300] ndisc_alloc_skb+0x144/0x340 [ 369.963676] Normal: [ 369.965903] ndisc_send_rs+0x331/0x6e0 [ 369.969931] 809*4kB [ 369.972242] addrconf_rs_timer+0x314/0x690 [ 369.976096] (UMEH) [ 369.978423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.982622] 372*8kB [ 369.984851] call_timer_fn+0x272/0x920 [ 369.989050] (UMEH) [ 369.991359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.995214] 191*16kB [ 369.997436] ? process_timeout+0x40/0x40 [ 370.001636] (UMEH) [ 370.004031] ? trace_hardirqs_off+0xb8/0x310 [ 370.008063] 81*32kB [ 370.010281] ? kasan_check_read+0x11/0x20 [ 370.014655] (UME) [ 370.016979] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.021094] 21*64kB [ 370.023228] ? trace_hardirqs_on+0x310/0x310 [ 370.027688] (UMH) [ 370.029996] ? __run_timers+0x7da/0xc70 [ 370.034369] 3*128kB [ 370.036503] ? lock_downgrade+0x900/0x900 [ 370.040443] (UH) [ 370.042754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.046869] 0*256kB [ 370.048918] ? trace_hardirqs_on+0xbd/0x310 [ 370.053988] 0*512kB [ 370.056310] ? kasan_check_read+0x11/0x20 [ 370.060617] 0*1024kB [ 370.062925] ? __run_timers+0x7da/0xc70 [ 370.067051] 0*2048kB [ 370.069448] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.073391] 0*4096kB = 13588kB [ 370.075805] ? kasan_check_write+0x14/0x20 [ 370.081234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.084408] ? do_raw_spin_lock+0xc1/0x200 [ 370.088626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.097446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.101645] 348 total pagecache pages [ 370.110202] __run_timers+0x7e5/0xc70 [ 370.114403] 0 pages in swap cache [ 370.118192] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.121958] Swap cache stats: add 0, delete 0, find 0/0 [ 370.125390] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 370.130718] Free swap = 0kB [ 370.136066] ? timerqueue_add+0x207/0x2b0 [ 370.141046] Total swap = 0kB [ 370.144050] ? enqueue_hrtimer+0x1a5/0x560 [ 370.148164] 1965979 pages RAM [ 370.151167] ? lock_release+0x970/0x970 [ 370.155376] 0 pages HighMem/MovableOnly [ 370.158462] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 370.162405] 342307 pages reserved [ 370.166362] ? kasan_check_write+0x14/0x20 [ 370.171518] 0 pages cma reserved [ 370.174962] ? pvclock_read_flags+0x160/0x160 [ 370.179221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.182522] ? lock_downgrade+0x900/0x900 [ 370.187022] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.193461] ? trace_hardirqs_on+0xbd/0x310 [ 370.197576] syz-executor3 cpuset= [ 370.208043] ? kvm_sched_clock_read+0x9/0x20 [ 370.212334] syz3 [ 370.215768] ? irq_exit+0x17f/0x1c0 [ 370.220148] mems_allowed=0 [ 370.222195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.234229] ? check_preemption_disabled+0x48/0x200 [ 370.239236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.244767] run_timer_softirq+0x52/0xb0 [ 370.248823] ? __this_cpu_preempt_check+0x1c/0x1f [ 370.253655] __do_softirq+0x30b/0xad8 [ 370.257452] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.262552] ? pvclock_read_flags+0x160/0x160 [ 370.267121] ? lapic_next_event+0x5a/0x90 [ 370.271256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.276782] ? clockevents_program_event+0x140/0x370 [ 370.281876] ? kvm_clock_read+0x18/0x30 [ 370.285841] ? kvm_sched_clock_read+0x9/0x20 [ 370.290238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.295763] ? check_preemption_disabled+0x48/0x200 [ 370.300796] irq_exit+0x17f/0x1c0 [ 370.304252] smp_apic_timer_interrupt+0x1cb/0x760 [ 370.309080] ? smp_reschedule_interrupt+0x109/0x650 [ 370.314084] ? smp_call_function_single_interrupt+0x650/0x650 [ 370.319955] ? interrupt_entry+0xb5/0xf0 [ 370.324004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.329007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.334013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.338845] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.343849] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.348858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.354384] ? check_preemption_disabled+0x48/0x200 [ 370.359389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.364917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.369750] apic_timer_interrupt+0xf/0x20 [ 370.373967] [ 370.376196] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 370.381376] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 370.400266] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 370.407964] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 370.415221] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 370.422479] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 370.429738] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 370.436993] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 370.444258] ? trace_hardirqs_on+0x9a/0x310 [ 370.448609] ? trace_hardirqs_on+0xb4/0x310 [ 370.452925] retint_kernel+0x1b/0x2d [ 370.456634] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 370.461896] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 370.480785] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 370.488492] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 370.495754] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 370.503014] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 370.510269] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 370.517531] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 370.524803] ? trace_hardirqs_on+0x9a/0x310 [ 370.529114] ? arch_local_irq_restore+0x45/0x52 [ 370.533783] dump_stack+0x26a/0x2b4 [ 370.537400] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.542577] ? mark_held_locks+0x130/0x130 [ 370.546797] ? mark_held_locks+0x130/0x130 [ 370.551022] dump_header+0x27b/0xf72 [ 370.554730] ? rcu_read_unlock+0x16/0x60 [ 370.558871] ? pagefault_out_of_memory+0x197/0x197 [ 370.563796] ? mark_held_locks+0x130/0x130 [ 370.568015] ? percpu_ref_put_many+0x13e/0x260 [ 370.572590] ? mem_cgroup_charge_statistics+0x780/0x780 [ 370.577963] ? mem_cgroup_iter+0x1f7/0x1160 [ 370.582270] ? mark_held_locks+0x130/0x130 [ 370.586525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.592049] ? task_will_free_mem+0x239/0xb30 [ 370.596540] ? ___ratelimit+0x36f/0x655 [ 370.600502] ? lock_downgrade+0x900/0x900 [ 370.604649] ? trace_hardirqs_on+0xbd/0x310 [ 370.608970] ? kasan_check_read+0x11/0x20 [ 370.613106] ? ___ratelimit+0x36f/0x655 [ 370.617078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.622523] ? trace_hardirqs_on+0x310/0x310 [ 370.626919] ? lock_downgrade+0x900/0x900 [ 370.631059] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.636149] ? ___ratelimit+0xaa/0x655 [ 370.640026] ? idr_get_free+0xec0/0xec0 [ 370.643989] ? kasan_check_write+0x14/0x20 [ 370.648211] ? do_raw_spin_lock+0xc1/0x200 [ 370.652437] oom_kill_process.cold.27+0x10/0x903 [ 370.657185] ? lock_downgrade+0x900/0x900 [ 370.661326] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.667115] ? oom_evaluate_task+0x540/0x540 [ 370.671519] ? oom_unkillable_task+0x383/0x580 [ 370.676090] ? out_of_memory+0x974/0x1430 [ 370.680225] ? lock_downgrade+0x900/0x900 [ 370.684369] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.690159] ? __cpuset_node_allowed+0x19b/0x660 [ 370.694906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.700429] ? oom_evaluate_task+0x302/0x540 [ 370.704830] out_of_memory+0xa84/0x1430 [ 370.708802] ? oom_killer_disable+0x3a0/0x3a0 [ 370.713292] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 370.718213] ? __mutex_add_waiter+0x2a0/0x2a0 [ 370.722695] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 370.727698] ? find_next_bit+0x104/0x130 [ 370.731757] __alloc_pages_slowpath+0x2318/0x2d80 [ 370.736612] ? warn_alloc+0x120/0x120 [ 370.740403] ? __radix_tree_lookup+0x4c0/0x4c0 [ 370.744979] ? find_get_entry+0x2f2/0xc40 [ 370.749120] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 370.754041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.759567] ? should_fail+0x22d/0xd01 [ 370.763539] ? ___might_sleep+0x1ed/0x300 [ 370.767673] ? lock_release+0x970/0x970 [ 370.771640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.776741] ? debug_smp_processor_id+0x1c/0x20 [ 370.781408] ? __might_sleep+0x95/0x190 [ 370.785372] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 370.790210] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.795226] ? lock_downgrade+0x900/0x900 [ 370.799383] ? ___might_sleep+0x1ed/0x300 [ 370.803519] ? lock_release+0x970/0x970 [ 370.807481] ? arch_local_save_flags+0x40/0x40 [ 370.812064] ? finish_task_switch+0x1f5/0x900 [ 370.816556] ? __might_sleep+0x95/0x190 [ 370.820522] __alloc_pages_nodemask+0xa80/0xde0 [ 370.825183] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.830189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.835974] ? mark_held_locks+0x130/0x130 [ 370.840195] ? kasan_check_write+0x14/0x20 [ 370.844419] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 370.849083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.854614] ? __do_page_cache_readahead+0x7ce/0x980 [ 370.859714] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.865243] alloc_pages_current+0x10c/0x210 [ 370.869641] ? lock_downgrade+0x900/0x900 [ 370.873779] __page_cache_alloc+0x38f/0x5b0 [ 370.878090] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.883875] ? ext4_filemap_fault+0x82/0xad [ 370.888188] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 370.892847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.898377] ? check_preemption_disabled+0x48/0x200 [ 370.903384] filemap_fault+0x1594/0x25f0 [ 370.907443] ? __lock_page_or_retry+0xa00/0xa00 [ 370.912101] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.917889] ? lock_downgrade+0x900/0x900 [ 370.922033] ? trace_hardirqs_on+0xbd/0x310 [ 370.926344] ? kasan_check_read+0x11/0x20 [ 370.930486] ? __free_object+0x173/0x340 [ 370.934538] ? filemap_map_pages+0xdea/0x1980 [ 370.939024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.944123] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 370.949386] ? debug_object_free+0x325/0x690 [ 370.953785] ? find_get_pages_range_tag+0x1320/0x1320 [ 370.958967] ? do_raw_spin_lock+0xc1/0x200 [ 370.963196] ? kasan_check_read+0x11/0x20 [ 370.967334] ? debug_object_destroy+0x2b0/0x2b0 [ 370.971994] ? kasan_check_write+0x14/0x20 [ 370.976219] ? lock_acquire+0x1ed/0x520 [ 370.980180] ? ext4_filemap_fault+0x7a/0xad [ 370.984497] ? lock_release+0x970/0x970 [ 370.988461] ? arch_local_save_flags+0x40/0x40 [ 370.993041] ? futex_wait_setup+0x3e0/0x3e0 [ 370.997357] ? down_read+0xb0/0x1d0 [ 371.000972] ? ext4_filemap_fault+0x7a/0xad [ 371.005286] ? __down_interruptible+0x700/0x700 [ 371.009952] ext4_filemap_fault+0x82/0xad [ 371.014092] __do_fault+0x100/0x6b0 [ 371.017710] ? print_bad_pte+0x6c0/0x6c0 [ 371.021761] ? do_futex+0x249/0x26d0 [ 371.025464] ? pmd_val+0x88/0x100 [ 371.028915] ? add_mm_counter_fast+0xd0/0xd0 [ 371.033319] ? pmd_val+0x88/0x100 [ 371.036765] ? add_mm_counter_fast+0xd0/0xd0 [ 371.041164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.046695] __handle_mm_fault+0x3709/0x53e0 [ 371.051094] ? perf_trace_lock+0x14d/0x7a0 [ 371.055325] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 371.060161] ? ksys_dup3+0x680/0x680 [ 371.063866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.069393] ? should_fail+0x22d/0xd01 [ 371.073283] ? lock_acquire+0x1ed/0x520 [ 371.077249] ? handle_mm_fault+0x42a/0xc70 [ 371.081481] ? lock_downgrade+0x900/0x900 [ 371.085625] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.091409] ? lock_downgrade+0x900/0x900 [ 371.095545] ? __do_page_fault+0x67d/0xed0 [ 371.099771] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.105208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.110738] ? check_preemption_disabled+0x48/0x200 [ 371.115750] handle_mm_fault+0x54f/0xc70 [ 371.119806] ? __handle_mm_fault+0x53e0/0x53e0 [ 371.124381] ? find_vma+0x34/0x190 [ 371.127911] __do_page_fault+0x67d/0xed0 [ 371.131963] ? mm_fault_error+0x380/0x380 [ 371.136100] ? trace_hardirqs_off+0xb8/0x310 [ 371.140496] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.145847] ? trace_hardirqs_on+0x310/0x310 [ 371.150257] do_page_fault+0xf2/0x7e0 [ 371.154045] ? vmalloc_sync_all+0x30/0x30 [ 371.158184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.163716] ? error_entry+0x70/0xd0 [ 371.167419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.172425] ? trace_hardirqs_on_caller+0xc0/0x310 [ 371.177349] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.182268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.187101] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.192104] ? trace_hardirqs_off+0x310/0x310 [ 371.196589] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.201595] ? page_fault+0x8/0x30 [ 371.205128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.209958] ? page_fault+0x8/0x30 [ 371.213489] page_fault+0x1e/0x30 [ 371.216931] RIP: 0033:0x40f9c0 [ 371.220128] Code: Bad RIP value. [ 371.223477] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 371.228828] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 371.236083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 371.243340] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 371.250595] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 371.257859] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 371.265135] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 371.265176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.272398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.272402] Call Trace: [ 371.272407] [ 371.272423] dump_stack+0x1c4/0x2b4 [ 371.272439] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.278959] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.288261] warn_alloc.cold.119+0xb7/0x1bd [ 371.290810] syz-fuzzer cpuset= [ 371.292948] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.296544] / [ 371.301720] ? lock_downgrade+0x900/0x900 [ 371.311914] mems_allowed=0 [ 371.316220] ? trace_hardirqs_off+0xb8/0x310 [ 371.337361] ? trace_hardirqs_off+0xb8/0x310 [ 371.341766] __alloc_pages_slowpath+0x2667/0x2d80 [ 371.346618] ? warn_alloc+0x120/0x120 [ 371.350411] ? warn_alloc+0x120/0x120 [ 371.354212] ? warn_alloc+0x120/0x120 [ 371.358003] ? mark_held_locks+0x130/0x130 [ 371.362232] ? trace_hardirqs_on+0x310/0x310 [ 371.366630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.372161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.377692] ? should_fail+0x22d/0xd01 [ 371.381578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.386674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.392209] ? should_fail+0x22d/0xd01 [ 371.396087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.401179] ? should_fail+0x22d/0xd01 [ 371.405065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.410161] ? mark_held_locks+0x130/0x130 [ 371.414386] ? mark_held_locks+0x130/0x130 [ 371.418610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.424258] ? trace_hardirqs_off+0xb8/0x310 [ 371.428654] ? kasan_check_read+0x11/0x20 [ 371.432794] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.437198] ? trace_hardirqs_on+0x310/0x310 [ 371.441600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.447131] ? wq_watchdog_touch+0x9c/0xfe [ 371.451358] ? io_serial_in+0x11/0x90 [ 371.455153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.460683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.465787] __alloc_pages_nodemask+0xa80/0xde0 [ 371.470457] ? should_fail+0x22d/0xd01 [ 371.474339] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.479357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.484017] ? lock_downgrade+0x900/0x900 [ 371.488162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.493699] cache_grow_begin+0x91/0x8c0 [ 371.497752] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.502152] fallback_alloc+0x203/0x2e0 [ 371.506123] ____cache_alloc_node+0x1c7/0x1e0 [ 371.510610] kmem_cache_alloc_node+0xe3/0x730 [ 371.515100] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.519332] __alloc_skb+0x119/0x770 [ 371.523040] ? skb_scrub_packet+0x490/0x490 [ 371.527355] ? lock_downgrade+0x900/0x900 [ 371.531496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.537031] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.542474] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.547926] ? addrconf_rs_timer+0x690/0x690 [ 371.552329] ndisc_alloc_skb+0x144/0x340 [ 371.556386] ndisc_send_rs+0x331/0x6e0 [ 371.560271] addrconf_rs_timer+0x314/0x690 [ 371.564507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.568741] call_timer_fn+0x272/0x920 [ 371.572621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.576847] ? process_timeout+0x40/0x40 [ 371.580907] ? trace_hardirqs_off+0xb8/0x310 [ 371.585305] ? kasan_check_read+0x11/0x20 [ 371.589465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.593865] ? trace_hardirqs_on+0x310/0x310 [ 371.598270] ? __run_timers+0x7da/0xc70 [ 371.602324] ? lock_downgrade+0x900/0x900 [ 371.606470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.611568] ? trace_hardirqs_on+0xbd/0x310 [ 371.616304] ? kasan_check_read+0x11/0x20 [ 371.620446] ? __run_timers+0x7da/0xc70 [ 371.624420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.629859] ? kasan_check_write+0x14/0x20 [ 371.634085] ? do_raw_spin_lock+0xc1/0x200 [ 371.638314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.642541] __run_timers+0x7e5/0xc70 [ 371.646339] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.651703] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.656710] ? timerqueue_add+0x207/0x2b0 [ 371.660850] ? enqueue_hrtimer+0x1a5/0x560 [ 371.665071] ? lock_release+0x970/0x970 [ 371.669032] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.674212] ? kasan_check_write+0x14/0x20 [ 371.678445] ? pvclock_read_flags+0x160/0x160 [ 371.682930] ? lock_downgrade+0x900/0x900 [ 371.687071] ? trace_hardirqs_on+0xbd/0x310 [ 371.691383] ? kvm_sched_clock_read+0x9/0x20 [ 371.695785] ? irq_exit+0x17f/0x1c0 [ 371.699401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.704938] ? check_preemption_disabled+0x48/0x200 [ 371.709953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.715493] run_timer_softirq+0x52/0xb0 [ 371.719541] ? __this_cpu_preempt_check+0x1c/0x1f [ 371.724375] __do_softirq+0x30b/0xad8 [ 371.728174] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 371.733268] ? pvclock_read_flags+0x160/0x160 [ 371.737751] ? lapic_next_event+0x5a/0x90 [ 371.741888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.747418] ? clockevents_program_event+0x140/0x370 [ 371.752510] ? kvm_clock_read+0x18/0x30 [ 371.756470] ? kvm_sched_clock_read+0x9/0x20 [ 371.760865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.766507] ? check_preemption_disabled+0x48/0x200 [ 371.771518] irq_exit+0x17f/0x1c0 [ 371.774959] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.780216] ? smp_reschedule_interrupt+0x109/0x650 [ 371.785225] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.791098] ? interrupt_entry+0xb5/0xf0 [ 371.795147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.800162] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.805187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.810021] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.815025] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.820031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.825562] ? check_preemption_disabled+0x48/0x200 [ 371.830563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.836110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.840947] apic_timer_interrupt+0xf/0x20 [ 371.845170] [ 371.847406] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.852332] 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 [ 371.871221] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.878919] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 371.886173] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 371.893433] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 371.900691] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 371.907949] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 371.915216] ? trace_hardirqs_on+0xb4/0x310 [ 371.919534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.925066] skb_clone+0x1bb/0x500 [ 371.928597] ? skb_split+0x11e0/0x11e0 [ 371.932473] ? check_preemption_disabled+0x48/0x200 [ 371.937492] ? __this_cpu_preempt_check+0x1c/0x1f [ 371.942322] ? __bpf_redirect+0x54b/0xb20 [ 371.946456] ? __switch_to_asm+0x34/0x70 [ 371.950527] bpf_clone_redirect+0xb9/0x490 [ 371.954755] bpf_prog_466abe619656067b+0x436/0x1000 [ 371.959762] ? __sched_text_start+0x8/0x8 [ 371.963904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.968668] ? retint_kernel+0x2d/0x2d [ 371.972552] ? lock_acquire+0x1ed/0x520 [ 371.976513] ? bpf_test_run+0x32e/0x5a0 [ 371.980479] ? lock_downgrade+0x900/0x900 [ 371.984620] ? lock_release+0x970/0x970 [ 371.988674] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.994461] ? preempt_schedule_common+0x1f/0xd0 [ 371.999207] ? preempt_schedule+0x4d/0x60 [ 372.003342] ? ___preempt_schedule+0x16/0x18 [ 372.007738] ? bpf_test_run+0x1c0/0x5a0 [ 372.011703] ? netlink_diag_dump+0x2a0/0x2a0 [ 372.016099] ? bpf_prog_test_run_skb+0x295/0xb40 [ 372.020842] ? bpf_prog_test_run_skb+0x634/0xb40 [ 372.025588] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 372.030419] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.035942] ? fput+0x130/0x1a0 [ 372.039226] ? __bpf_prog_get+0x9b/0x290 [ 372.043276] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 372.048120] ? bpf_prog_test_run+0x130/0x1a0 [ 372.052525] ? __x64_sys_bpf+0x3d8/0x510 [ 372.056575] ? bpf_prog_get+0x20/0x20 [ 372.060383] ? do_syscall_64+0x1b9/0x820 [ 372.064435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 372.069788] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.074704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.079537] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.084543] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 372.089551] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.094565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.099402] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.104760] warn_alloc_show_mem: 1 callbacks suppressed [ 372.104770] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 372.104771] Mem-Info: [ 372.104799] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 372.104799] active_file:98 inactive_file:120 isolated_file:0 [ 372.104799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.104799] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 372.104799] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 372.104799] free:13602 free_pcp:142 free_cma:0 [ 372.110154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.110161] Call Trace: [ 372.117080] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.119465] [ 372.152400] Node 0 [ 372.161746] dump_stack+0x1c4/0x2b4 [ 372.164318] 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 [ 372.191951] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.194064] lowmem_reserve[]: [ 372.196290] warn_alloc.cold.119+0xb7/0x1bd [ 372.199879] 0 [ 372.225370] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.230525] 2819 [ 372.233611] ? lock_downgrade+0x900/0x900 [ 372.237899] 6323 [ 372.239688] ? trace_hardirqs_off+0xb8/0x310 [ 372.244493] 6323 [ 372.246542] ? trace_hardirqs_off+0xb8/0x310 [ 372.252705] __alloc_pages_slowpath+0x2667/0x2d80 [ 372.257080] Node 0 [ 372.259140] ? warn_alloc+0x120/0x120 [ 372.263535] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 372.268348] ? trace_hardirqs_on+0x310/0x310 [ 372.270564] lowmem_reserve[]: [ 372.274345] ? warn_alloc+0x120/0x120 [ 372.300865] 0 [ 372.305259] ? warn_alloc+0x120/0x120 [ 372.308330] 0 [ 372.312115] ? ktime_get+0x2e1/0x440 [ 372.313886] 3503 [ 372.317669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.319440] 3503 [ 372.323136] ? check_preemption_disabled+0x48/0x200 [ 372.330685] ? kasan_check_read+0x11/0x20 [ 372.332716] Node 0 [ 372.337712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.341853] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 372.344054] ? should_fail+0x22d/0xd01 [ 372.349560] lowmem_reserve[]: [ 372.377995] ? rcu_bh_qs+0xc0/0xc0 [ 372.381851] 0 [ 372.384945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.388455] 0 [ 372.390240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.395310] 0 [ 372.397095] ? should_fail+0x22d/0xd01 [ 372.402599] 0 [ 372.404399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.408252] Node 0 [ 372.410042] ? should_fail+0x22d/0xd01 [ 372.415116] DMA: [ 372.417339] ? rcu_idle_enter+0x4b0/0x4b0 [ 372.421198] 1*4kB [ 372.423244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.427361] (U) [ 372.429515] ? mark_held_locks+0x130/0x130 [ 372.434586] 0*8kB [ 372.436554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.440768] 0*16kB [ 372.442902] ? mark_held_locks+0x130/0x130 [ 372.448408] 1*32kB [ 372.450627] ? rcu_irq_exit+0xce/0x100 [ 372.454829] (U) [ 372.457048] ? irq_exit+0xbd/0x1c0 [ 372.460898] 2*64kB (U) [ 372.462866] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.466378] 1*128kB [ 372.468948] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.473930] (U) [ 372.476236] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.480614] 1*256kB [ 372.482575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.488425] (U) [ 372.490730] ? ret_from_intr+0xb/0x1e [ 372.496234] 0*512kB [ 372.498190] ? retint_kernel+0x2d/0x2d [ 372.501957] 1*1024kB [ 372.504263] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.508114] (U) [ 372.510512] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.515409] 1*2048kB [ 372.517368] ? trace_hardirqs_off+0x310/0x310 [ 372.522088] (M) [ 372.524485] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.528950] 3*4096kB [ 372.530916] __alloc_pages_nodemask+0xa80/0xde0 [ 372.536022] (M) [ 372.538420] ? should_fail+0x22d/0xd01 [ 372.543056] = 15908kB [ 372.545018] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.548870] Node 0 [ 372.551276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.556252] DMA32: [ 372.558473] ? lock_downgrade+0x900/0x900 [ 372.563114] 5*4kB [ 372.565347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.569454] (UM) 0*8kB [ 372.571601] cache_grow_begin+0x91/0x8c0 [ 372.577104] 5*16kB [ 372.579671] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.583698] (UMH) [ 372.585919] fallback_alloc+0x203/0x2e0 [ 372.590292] 5*32kB [ 372.592426] ____cache_alloc_node+0x1c7/0x1e0 [ 372.596365] (UMH) [ 372.598590] kmem_cache_alloc_node+0xe3/0x730 [ 372.603047] 7*64kB [ 372.605268] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.609729] (UM) [ 372.611952] __alloc_skb+0x119/0x770 [ 372.616156] 4*128kB [ 372.618203] ? skb_scrub_packet+0x490/0x490 [ 372.621882] (UM) [ 372.624188] ? lock_downgrade+0x900/0x900 [ 372.628479] 5*256kB [ 372.630526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.634638] (UMH) [ 372.636944] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.642450] 4*512kB [ 372.644600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.650018] (UM) [ 372.652333] ? addrconf_rs_timer+0x690/0x690 [ 372.657751] 4*1024kB [ 372.659800] ndisc_alloc_skb+0x144/0x340 [ 372.664173] (UMH) [ 372.666567] ndisc_send_rs+0x331/0x6e0 [ 372.670595] 4*2048kB [ 372.672727] addrconf_rs_timer+0x314/0x690 [ 372.676587] (UM) [ 372.678982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.683184] 2*4096kB [ 372.685233] call_timer_fn+0x272/0x920 [ 372.689429] (M) [ 372.691824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.695679] = 25028kB [ 372.697635] ? process_timeout+0x40/0x40 [ 372.701848] Node 0 [ 372.704242] ? trace_hardirqs_off+0xb8/0x310 [ 372.708266] Normal: [ 372.710485] ? kasan_check_read+0x11/0x20 [ 372.714860] 809*4kB [ 372.717169] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.721281] (UMEH) [ 372.723593] ? trace_hardirqs_on+0x310/0x310 [ 372.727962] 372*8kB (UMEH) [ 372.730190] ? __run_timers+0x7da/0xc70 [ 372.734564] 191*16kB [ 372.737483] ? lock_downgrade+0x900/0x900 [ 372.741424] (UMEH) [ 372.743820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.747935] 81*32kB [ 372.750153] ? trace_hardirqs_on+0xbd/0x310 [ 372.755222] (UME) [ 372.757531] ? kasan_check_read+0x11/0x20 [ 372.761820] 21*64kB [ 372.763950] ? __run_timers+0x7da/0xc70 [ 372.768062] (UMH) [ 372.770378] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.774325] 3*128kB [ 372.776456] ? kasan_check_write+0x14/0x20 [ 372.781875] (UH) [ 372.784184] ? do_raw_spin_lock+0xc1/0x200 [ 372.788387] 0*256kB [ 372.790433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.794637] 0*512kB [ 372.796945] __run_timers+0x7e5/0xc70 [ 372.801144] 0*1024kB [ 372.803458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 372.807226] 0*2048kB [ 372.809619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.814949] 0*4096kB [ 372.817346] ? timerqueue_add+0x207/0x2b0 [ 372.822328] = 13588kB [ 372.824725] ? enqueue_hrtimer+0x1a5/0x560 [ 372.828848] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.831234] ? lock_release+0x970/0x970 [ 372.835445] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.844255] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.848201] 348 total pagecache pages [ 372.856760] ? kasan_check_write+0x14/0x20 [ 372.861919] 0 pages in swap cache [ 372.865704] ? pvclock_read_flags+0x160/0x160 [ 372.869910] Swap cache stats: add 0, delete 0, find 0/0 [ 372.873343] ? lock_downgrade+0x900/0x900 [ 372.877807] Free swap = 0kB [ 372.883164] ? trace_hardirqs_on+0xbd/0x310 [ 372.887279] Total swap = 0kB [ 372.890280] ? kvm_sched_clock_read+0x9/0x20 [ 372.894572] 1965979 pages RAM [ 372.897579] ? irq_exit+0x17f/0x1c0 [ 372.901955] 0 pages HighMem/MovableOnly [ 372.905042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.908633] 342307 pages reserved [ 372.912593] ? check_preemption_disabled+0x48/0x200 [ 372.918093] 0 pages cma reserved [ 372.921528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.926558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.929863] run_timer_softirq+0x52/0xb0 [ 372.929874] ? __this_cpu_preempt_check+0x1c/0x1f [ 372.929889] __do_softirq+0x30b/0xad8 [ 372.935437] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.941877] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.945905] syz-executor3 cpuset= [ 372.950733] ? pvclock_read_flags+0x160/0x160 [ 372.954499] syz3 [ 372.964964] ? lapic_next_event+0x5a/0x90 [ 372.970038] mems_allowed=0 [ 372.973485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.992457] ? clockevents_program_event+0x140/0x370 [ 372.997568] ? kvm_clock_read+0x18/0x30 [ 373.001532] ? kvm_sched_clock_read+0x9/0x20 [ 373.005938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.011465] ? check_preemption_disabled+0x48/0x200 [ 373.016479] irq_exit+0x17f/0x1c0 [ 373.019933] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.024773] ? smp_reschedule_interrupt+0x109/0x650 [ 373.029783] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.035658] ? interrupt_entry+0xb5/0xf0 [ 373.039709] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.044717] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.049723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.054557] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.059564] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.064575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.070105] ? check_preemption_disabled+0x48/0x200 [ 373.075108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.080637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.085477] apic_timer_interrupt+0xf/0x20 [ 373.089694] [ 373.091927] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 373.097106] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 373.115992] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.123690] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 373.130959] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 373.138220] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 373.145479] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 373.152738] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 373.160014] ? trace_hardirqs_on+0x9a/0x310 [ 373.164327] ? trace_hardirqs_on+0xb4/0x310 [ 373.168649] retint_kernel+0x1b/0x2d [ 373.172356] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 373.177624] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 373.196511] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 373.204215] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 373.211470] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 373.218731] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 373.225988] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 373.233246] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 373.240522] ? trace_hardirqs_on+0x9a/0x310 [ 373.244839] ? arch_local_irq_restore+0x45/0x52 [ 373.249506] dump_stack+0x26a/0x2b4 [ 373.253131] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.258315] ? mark_held_locks+0x130/0x130 [ 373.262546] ? mark_held_locks+0x130/0x130 [ 373.266787] dump_header+0x27b/0xf72 [ 373.270492] ? rcu_read_unlock+0x16/0x60 [ 373.274551] ? pagefault_out_of_memory+0x197/0x197 [ 373.279481] ? mark_held_locks+0x130/0x130 [ 373.283707] ? percpu_ref_put_many+0x13e/0x260 [ 373.288285] ? mem_cgroup_charge_statistics+0x780/0x780 [ 373.293648] ? mem_cgroup_iter+0x1f7/0x1160 [ 373.297958] ? mark_held_locks+0x130/0x130 [ 373.302191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.307719] ? task_will_free_mem+0x239/0xb30 [ 373.312216] ? ___ratelimit+0x36f/0x655 [ 373.316180] ? lock_downgrade+0x900/0x900 [ 373.320325] ? trace_hardirqs_on+0xbd/0x310 [ 373.324641] ? kasan_check_read+0x11/0x20 [ 373.328778] ? ___ratelimit+0x36f/0x655 [ 373.332742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.338181] ? trace_hardirqs_on+0x310/0x310 [ 373.342581] ? lock_downgrade+0x900/0x900 [ 373.346726] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.351822] ? ___ratelimit+0xaa/0x655 [ 373.355702] ? idr_get_free+0xec0/0xec0 [ 373.359663] ? kasan_check_write+0x14/0x20 [ 373.363887] ? do_raw_spin_lock+0xc1/0x200 [ 373.368115] oom_kill_process.cold.27+0x10/0x903 [ 373.372859] ? lock_downgrade+0x900/0x900 [ 373.377000] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.382789] ? oom_evaluate_task+0x540/0x540 [ 373.387194] ? oom_unkillable_task+0x383/0x580 [ 373.391769] ? out_of_memory+0x974/0x1430 [ 373.395905] ? lock_downgrade+0x900/0x900 [ 373.400046] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.405833] ? __cpuset_node_allowed+0x19b/0x660 [ 373.410581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.416107] ? oom_evaluate_task+0x302/0x540 [ 373.420506] out_of_memory+0xa84/0x1430 [ 373.424488] ? oom_killer_disable+0x3a0/0x3a0 [ 373.428975] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 373.433898] ? __mutex_add_waiter+0x2a0/0x2a0 [ 373.438385] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.443393] ? find_next_bit+0x104/0x130 [ 373.447448] __alloc_pages_slowpath+0x2318/0x2d80 [ 373.452297] ? warn_alloc+0x120/0x120 [ 373.456089] ? __radix_tree_lookup+0x4c0/0x4c0 [ 373.460667] ? find_get_entry+0x2f2/0xc40 [ 373.464809] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 373.469740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.475280] ? should_fail+0x22d/0xd01 [ 373.479159] ? ___might_sleep+0x1ed/0x300 [ 373.483299] ? lock_release+0x970/0x970 [ 373.487270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.492362] ? debug_smp_processor_id+0x1c/0x20 [ 373.497026] ? __might_sleep+0x95/0x190 [ 373.500994] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 373.505830] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.510841] ? lock_downgrade+0x900/0x900 [ 373.514978] ? ___might_sleep+0x1ed/0x300 [ 373.519116] ? lock_release+0x970/0x970 [ 373.523081] ? arch_local_save_flags+0x40/0x40 [ 373.527653] ? finish_task_switch+0x1f5/0x900 [ 373.532139] ? __might_sleep+0x95/0x190 [ 373.536104] __alloc_pages_nodemask+0xa80/0xde0 [ 373.540763] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.545770] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.551558] ? mark_held_locks+0x130/0x130 [ 373.555782] ? kasan_check_write+0x14/0x20 [ 373.560022] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 373.564686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.570215] ? __do_page_cache_readahead+0x7ce/0x980 [ 373.575327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 373.580858] alloc_pages_current+0x10c/0x210 [ 373.585261] ? lock_downgrade+0x900/0x900 [ 373.589400] __page_cache_alloc+0x38f/0x5b0 [ 373.593710] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.599502] ? ext4_filemap_fault+0x82/0xad [ 373.603907] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 373.608564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.614584] ? check_preemption_disabled+0x48/0x200 [ 373.619598] filemap_fault+0x1594/0x25f0 [ 373.623655] ? __lock_page_or_retry+0xa00/0xa00 [ 373.628318] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.634102] ? lock_downgrade+0x900/0x900 [ 373.638248] ? trace_hardirqs_on+0xbd/0x310 [ 373.642559] ? kasan_check_read+0x11/0x20 [ 373.646695] ? __free_object+0x173/0x340 [ 373.650748] ? filemap_map_pages+0xdea/0x1980 [ 373.655244] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.660345] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 373.665612] ? debug_object_free+0x325/0x690 [ 373.670008] ? find_get_pages_range_tag+0x1320/0x1320 [ 373.675191] ? do_raw_spin_lock+0xc1/0x200 [ 373.679417] ? kasan_check_read+0x11/0x20 [ 373.683553] ? debug_object_destroy+0x2b0/0x2b0 [ 373.688211] ? kasan_check_write+0x14/0x20 [ 373.692618] ? lock_acquire+0x1ed/0x520 [ 373.696579] ? ext4_filemap_fault+0x7a/0xad [ 373.700894] ? lock_release+0x970/0x970 [ 373.704858] ? arch_local_save_flags+0x40/0x40 [ 373.709432] ? futex_wait_setup+0x3e0/0x3e0 [ 373.713751] ? down_read+0xb0/0x1d0 [ 373.717368] ? ext4_filemap_fault+0x7a/0xad [ 373.721681] ? __down_interruptible+0x700/0x700 [ 373.726347] ext4_filemap_fault+0x82/0xad [ 373.730490] __do_fault+0x100/0x6b0 [ 373.734109] ? print_bad_pte+0x6c0/0x6c0 [ 373.738162] ? do_futex+0x249/0x26d0 [ 373.741866] ? pmd_val+0x88/0x100 [ 373.745307] ? add_mm_counter_fast+0xd0/0xd0 [ 373.749702] ? pmd_val+0x88/0x100 [ 373.753147] ? add_mm_counter_fast+0xd0/0xd0 [ 373.757547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.763074] __handle_mm_fault+0x3709/0x53e0 [ 373.767472] ? perf_trace_lock+0x14d/0x7a0 [ 373.771703] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 373.776535] ? ksys_dup3+0x680/0x680 [ 373.780524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.786051] ? should_fail+0x22d/0xd01 [ 373.789934] ? lock_acquire+0x1ed/0x520 [ 373.793903] ? handle_mm_fault+0x42a/0xc70 [ 373.798126] ? lock_downgrade+0x900/0x900 [ 373.802267] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.808052] ? lock_downgrade+0x900/0x900 [ 373.812190] ? __do_page_fault+0x67d/0xed0 [ 373.816419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.821859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.827386] ? check_preemption_disabled+0x48/0x200 [ 373.832394] handle_mm_fault+0x54f/0xc70 [ 373.836447] ? __handle_mm_fault+0x53e0/0x53e0 [ 373.841020] ? find_vma+0x34/0x190 [ 373.844551] __do_page_fault+0x67d/0xed0 [ 373.848608] ? mm_fault_error+0x380/0x380 [ 373.852744] ? trace_hardirqs_off+0xb8/0x310 [ 373.857142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.862497] ? trace_hardirqs_on+0x310/0x310 [ 373.866897] do_page_fault+0xf2/0x7e0 [ 373.870687] ? vmalloc_sync_all+0x30/0x30 [ 373.874821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.880346] ? error_entry+0x70/0xd0 [ 373.884049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.889055] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.893972] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.898892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.903723] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.908726] ? trace_hardirqs_off+0x310/0x310 [ 373.913220] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.918232] ? page_fault+0x8/0x30 [ 373.921762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.926597] ? page_fault+0x8/0x30 [ 373.930125] page_fault+0x1e/0x30 [ 373.933568] RIP: 0033:0x40f9c0 [ 373.936752] Code: Bad RIP value. [ 373.940104] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 373.945455] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 373.952715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 373.959976] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 373.967235] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 373.974492] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 373.981765] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 373.981807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.989037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.989041] Call Trace: [ 373.989046] [ 373.989059] dump_stack+0x1c4/0x2b4 [ 373.989076] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.995570] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.004874] warn_alloc.cold.119+0xb7/0x1bd [ 374.007424] syz-fuzzer cpuset= [ 374.009562] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.013157] / [ 374.018332] ? lock_downgrade+0x900/0x900 [ 374.028531] mems_allowed=0 [ 374.049687] ? trace_hardirqs_off+0xb8/0x310 [ 374.054086] ? trace_hardirqs_off+0xb8/0x310 [ 374.058494] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.063340] ? warn_alloc+0x120/0x120 [ 374.067138] ? warn_alloc+0x120/0x120 [ 374.070932] ? warn_alloc+0x120/0x120 [ 374.074725] ? mark_held_locks+0x130/0x130 [ 374.078957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.084486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.090015] ? should_fail+0x22d/0xd01 [ 374.093896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.098989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.104516] ? should_fail+0x22d/0xd01 [ 374.108394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.113486] ? should_fail+0x22d/0xd01 [ 374.117369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.122467] ? mark_held_locks+0x130/0x130 [ 374.126694] ? mark_held_locks+0x130/0x130 [ 374.131005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.136532] ? trace_hardirqs_off+0xb8/0x310 [ 374.140929] ? kasan_check_read+0x11/0x20 [ 374.145070] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.149477] ? trace_hardirqs_on+0x310/0x310 [ 374.153871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.159395] ? wq_watchdog_touch+0x9c/0xfe [ 374.163618] ? io_serial_in+0x11/0x90 [ 374.167410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.172938] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.178043] __alloc_pages_nodemask+0xa80/0xde0 [ 374.182703] ? should_fail+0x22d/0xd01 [ 374.186583] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.191603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.196259] ? lock_downgrade+0x900/0x900 [ 374.200400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.205928] cache_grow_begin+0x91/0x8c0 [ 374.209986] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.214386] fallback_alloc+0x203/0x2e0 [ 374.218353] ____cache_alloc_node+0x1c7/0x1e0 [ 374.222839] kmem_cache_alloc_node+0xe3/0x730 [ 374.227338] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.231564] __alloc_skb+0x119/0x770 [ 374.235273] ? skb_scrub_packet+0x490/0x490 [ 374.239583] ? lock_downgrade+0x900/0x900 [ 374.243724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.249249] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.254690] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.260129] ? addrconf_rs_timer+0x690/0x690 [ 374.264619] ndisc_alloc_skb+0x144/0x340 [ 374.268671] ndisc_send_rs+0x331/0x6e0 [ 374.272551] addrconf_rs_timer+0x314/0x690 [ 374.276777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.281012] call_timer_fn+0x272/0x920 [ 374.284886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.289114] ? process_timeout+0x40/0x40 [ 374.293161] ? trace_hardirqs_off+0xb8/0x310 [ 374.297561] ? kasan_check_read+0x11/0x20 [ 374.301698] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.306097] ? trace_hardirqs_on+0x310/0x310 [ 374.310494] ? __run_timers+0x7da/0xc70 [ 374.314458] ? lock_downgrade+0x900/0x900 [ 374.318596] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.323690] ? trace_hardirqs_on+0xbd/0x310 [ 374.328007] ? kasan_check_read+0x11/0x20 [ 374.332143] ? __run_timers+0x7da/0xc70 [ 374.336113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.341551] ? kasan_check_write+0x14/0x20 [ 374.345773] ? do_raw_spin_lock+0xc1/0x200 [ 374.350017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.354244] __run_timers+0x7e5/0xc70 [ 374.358047] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.363405] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.368413] ? timerqueue_add+0x207/0x2b0 [ 374.372556] ? enqueue_hrtimer+0x1a5/0x560 [ 374.376778] ? lock_release+0x970/0x970 [ 374.380741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.385931] ? kasan_check_write+0x14/0x20 [ 374.390161] ? pvclock_read_flags+0x160/0x160 [ 374.394652] ? lock_downgrade+0x900/0x900 [ 374.398797] ? trace_hardirqs_on+0xbd/0x310 [ 374.403109] ? kvm_sched_clock_read+0x9/0x20 [ 374.407509] ? irq_exit+0x17f/0x1c0 [ 374.411127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.416655] ? check_preemption_disabled+0x48/0x200 [ 374.421660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.427199] run_timer_softirq+0x52/0xb0 [ 374.431251] ? __this_cpu_preempt_check+0x1c/0x1f [ 374.436086] __do_softirq+0x30b/0xad8 [ 374.439894] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.444990] ? pvclock_read_flags+0x160/0x160 [ 374.449476] ? lapic_next_event+0x5a/0x90 [ 374.453616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.459141] ? clockevents_program_event+0x140/0x370 [ 374.464246] ? kvm_clock_read+0x18/0x30 [ 374.468208] ? kvm_sched_clock_read+0x9/0x20 [ 374.472616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.478143] ? check_preemption_disabled+0x48/0x200 [ 374.483166] irq_exit+0x17f/0x1c0 [ 374.486609] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.491443] ? smp_reschedule_interrupt+0x109/0x650 [ 374.496451] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.502324] ? interrupt_entry+0xb5/0xf0 [ 374.506376] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.511381] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.516390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.521224] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.526227] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.531234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.536770] ? check_preemption_disabled+0x48/0x200 [ 374.541790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.547323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.552164] apic_timer_interrupt+0xf/0x20 [ 374.556383] [ 374.558615] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.563536] 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 [ 374.582424] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.590122] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 374.597384] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 374.604648] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 374.611904] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 374.619172] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 374.626444] ? trace_hardirqs_on+0xb4/0x310 [ 374.630761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.636291] skb_clone+0x1bb/0x500 [ 374.639824] ? skb_split+0x11e0/0x11e0 [ 374.643700] ? check_preemption_disabled+0x48/0x200 [ 374.648712] ? __this_cpu_preempt_check+0x1c/0x1f [ 374.653549] ? __bpf_redirect+0x54b/0xb20 [ 374.657688] ? __switch_to_asm+0x34/0x70 [ 374.661742] bpf_clone_redirect+0xb9/0x490 [ 374.665974] bpf_prog_466abe619656067b+0x436/0x1000 [ 374.670981] ? __sched_text_start+0x8/0x8 [ 374.675116] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.679869] ? retint_kernel+0x2d/0x2d [ 374.683762] ? lock_acquire+0x1ed/0x520 [ 374.687825] ? bpf_test_run+0x32e/0x5a0 [ 374.691788] ? lock_downgrade+0x900/0x900 [ 374.695934] ? lock_release+0x970/0x970 [ 374.699904] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 374.705696] ? preempt_schedule_common+0x1f/0xd0 [ 374.710443] ? preempt_schedule+0x4d/0x60 [ 374.714580] ? ___preempt_schedule+0x16/0x18 [ 374.718977] ? bpf_test_run+0x1c0/0x5a0 [ 374.722944] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.727346] ? bpf_prog_test_run_skb+0x295/0xb40 [ 374.732093] ? bpf_prog_test_run_skb+0x634/0xb40 [ 374.736844] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 374.741674] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.747197] ? fput+0x130/0x1a0 [ 374.750464] ? __bpf_prog_get+0x9b/0x290 [ 374.754512] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 374.759343] ? bpf_prog_test_run+0x130/0x1a0 [ 374.763740] ? __x64_sys_bpf+0x3d8/0x510 [ 374.767789] ? bpf_prog_get+0x20/0x20 [ 374.771592] ? do_syscall_64+0x1b9/0x820 [ 374.775641] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.780999] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.785917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.790751] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.795755] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.800761] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.805773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.810608] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.815968] warn_alloc_show_mem: 1 callbacks suppressed [ 374.815977] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 374.815978] Mem-Info: [ 374.816007] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 374.816007] active_file:98 inactive_file:120 isolated_file:0 [ 374.816007] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.816007] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 374.816007] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 374.816007] free:13602 free_pcp:142 free_cma:0 [ 374.821333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.828261] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.830644] Call Trace: [ 374.863581] Node 0 [ 374.872910] [ 374.900579] 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 [ 374.903136] dump_stack+0x1c4/0x2b4 [ 374.905334] lowmem_reserve[]: [ 374.907471] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.932937] 0 [ 374.936551] warn_alloc.cold.119+0xb7/0x1bd [ 374.939621] 2819 [ 374.944792] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.946564] 6323 [ 374.950869] ? lock_downgrade+0x900/0x900 [ 374.952901] 6323 [ 374.957725] ? trace_hardirqs_off+0xb8/0x310 [ 374.963889] ? trace_hardirqs_off+0xb8/0x310 [ 374.963906] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.965938] Node 0 [ 374.970359] ? warn_alloc+0x120/0x120 [ 374.974745] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 374.979550] ? warn_alloc+0x120/0x120 [ 374.981756] lowmem_reserve[]: [ 374.985539] ? warn_alloc+0x120/0x120 [ 375.012047] 0 [ 375.015841] ? mark_held_locks+0x130/0x130 [ 375.018915] 0 [ 375.022701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.024474] 3503 [ 375.028690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.030469] 3503 [ 375.035999] ? should_fail+0x22d/0xd01 [ 375.043637] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.045669] Node 0 [ 375.049546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.054641] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 375.056839] ? should_fail+0x22d/0xd01 [ 375.062344] lowmem_reserve[]: [ 375.090787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.094639] 0 [ 375.097725] ? should_fail+0x22d/0xd01 [ 375.102821] 0 [ 375.104612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.108467] 0 [ 375.110254] ? mark_held_locks+0x130/0x130 [ 375.115319] 0 [ 375.117120] ? mark_held_locks+0x130/0x130 [ 375.121321] Node 0 [ 375.123118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.127319] DMA: [ 375.129542] ? trace_hardirqs_off+0xb8/0x310 [ 375.135054] 1*4kB [ 375.137107] ? kasan_check_read+0x11/0x20 [ 375.141479] (U) [ 375.143616] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.147730] 0*8kB [ 375.149688] ? trace_hardirqs_on+0x310/0x310 [ 375.154064] 0*16kB [ 375.156200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.160590] 1*32kB [ 375.162808] ? wq_watchdog_touch+0x9c/0xfe [ 375.168311] (U) [ 375.170531] ? io_serial_in+0x11/0x90 [ 375.174732] 2*64kB [ 375.176690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.180454] (U) [ 375.182674] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.188178] 1*128kB [ 375.190142] __alloc_pages_nodemask+0xa80/0xde0 [ 375.195209] (U) [ 375.197517] ? should_fail+0x22d/0xd01 [ 375.202154] 1*256kB [ 375.204120] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.207974] (U) [ 375.210296] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.215269] 0*512kB [ 375.217225] ? lock_downgrade+0x900/0x900 [ 375.221873] 1*1024kB [ 375.224184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.228298] (U) [ 375.230696] cache_grow_begin+0x91/0x8c0 [ 375.236203] 1*2048kB [ 375.238161] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.242189] (M) [ 375.244584] fallback_alloc+0x203/0x2e0 [ 375.248958] 3*4096kB [ 375.250921] ____cache_alloc_node+0x1c7/0x1e0 [ 375.254865] (M) [ 375.257261] kmem_cache_alloc_node+0xe3/0x730 [ 375.261727] = 15908kB [ 375.263690] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.268152] Node 0 [ 375.270560] __alloc_skb+0x119/0x770 [ 375.274770] DMA32: [ 375.276992] ? skb_scrub_packet+0x490/0x490 [ 375.280675] 5*4kB [ 375.282895] ? lock_downgrade+0x900/0x900 [ 375.287185] (UM) [ 375.289322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.293437] 0*8kB [ 375.295487] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.300989] 5*16kB [ 375.303122] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.308538] (UMH) [ 375.310758] ? addrconf_rs_timer+0x690/0x690 [ 375.316175] 5*32kB [ 375.318331] ndisc_alloc_skb+0x144/0x340 [ 375.322702] (UMH) [ 375.324922] ndisc_send_rs+0x331/0x6e0 [ 375.328950] 7*64kB [ 375.331091] addrconf_rs_timer+0x314/0x690 [ 375.334942] (UM) [ 375.337163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.341362] 4*128kB [ 375.343412] call_timer_fn+0x272/0x920 [ 375.347619] (UM) [ 375.349931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.353787] 5*256kB [ 375.355836] ? process_timeout+0x40/0x40 [ 375.360038] (UMH) [ 375.362353] ? trace_hardirqs_off+0xb8/0x310 [ 375.366394] 4*512kB [ 375.368525] ? kasan_check_read+0x11/0x20 [ 375.372899] (UM) [ 375.375206] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.379320] 4*1024kB [ 375.381369] ? trace_hardirqs_on+0x310/0x310 [ 375.385744] (UMH) [ 375.388136] ? __run_timers+0x7da/0xc70 [ 375.392511] 4*2048kB [ 375.394652] ? lock_downgrade+0x900/0x900 [ 375.398591] (UM) [ 375.400986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.405102] 2*4096kB [ 375.407150] ? trace_hardirqs_on+0xbd/0x310 [ 375.412222] (M) [ 375.414613] ? kasan_check_read+0x11/0x20 [ 375.418913] = 25028kB [ 375.420875] ? __run_timers+0x7da/0xc70 [ 375.424990] Node 0 [ 375.427382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.431320] Normal: [ 375.433542] ? kasan_check_write+0x14/0x20 [ 375.438958] 809*4kB [ 375.441263] ? do_raw_spin_lock+0xc1/0x200 [ 375.445462] (UMEH) [ 375.447770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.451970] 372*8kB [ 375.454189] __run_timers+0x7e5/0xc70 [ 375.458387] (UMEH) [ 375.460698] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.464464] 191*16kB [ 375.466683] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 375.472010] (UMEH) [ 375.474405] ? timerqueue_add+0x207/0x2b0 [ 375.479388] 81*32kB [ 375.481605] ? enqueue_hrtimer+0x1a5/0x560 [ 375.485721] (UME) [ 375.488028] ? lock_release+0x970/0x970 [ 375.492230] 21*64kB [ 375.494373] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 375.498316] (UMH) [ 375.500624] ? kasan_check_write+0x14/0x20 [ 375.505778] 3*128kB [ 375.507914] ? pvclock_read_flags+0x160/0x160 [ 375.512115] (UH) [ 375.514426] ? lock_downgrade+0x900/0x900 [ 375.518888] 0*256kB [ 375.520937] ? trace_hardirqs_on+0xbd/0x310 [ 375.525053] 0*512kB [ 375.527362] ? kvm_sched_clock_read+0x9/0x20 [ 375.531650] 0*1024kB [ 375.533959] ? irq_exit+0x17f/0x1c0 [ 375.538337] 0*2048kB [ 375.540733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.544332] 0*4096kB [ 375.546727] ? check_preemption_disabled+0x48/0x200 [ 375.552240] = 13588kB [ 375.554632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.559622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.562010] run_timer_softirq+0x52/0xb0 [ 375.567517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.576335] ? __this_cpu_preempt_check+0x1c/0x1f [ 375.580362] 348 total pagecache pages [ 375.588920] __do_softirq+0x30b/0xad8 [ 375.593728] 0 pages in swap cache [ 375.597514] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.601283] Swap cache stats: add 0, delete 0, find 0/0 [ 375.604714] ? pvclock_read_flags+0x160/0x160 [ 375.609882] Free swap = 0kB [ 375.615711] ? lapic_next_event+0x5a/0x90 [ 375.620176] Total swap = 0kB [ 375.623176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.627291] 1965979 pages RAM [ 375.630294] ? clockevents_program_event+0x140/0x370 [ 375.635799] 0 pages HighMem/MovableOnly [ 375.638893] ? kvm_clock_read+0x18/0x30 [ 375.643960] 342307 pages reserved [ 375.647916] ? kvm_sched_clock_read+0x9/0x20 [ 375.651857] 0 pages cma reserved [ 375.655292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.659711] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.663019] ? check_preemption_disabled+0x48/0x200 [ 375.668578] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.675002] irq_exit+0x17f/0x1c0 [ 375.679984] syz-executor3 cpuset= [ 375.690453] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.693870] syz3 [ 375.697306] ? smp_reschedule_interrupt+0x109/0x650 [ 375.702119] mems_allowed=0 [ 375.704087] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.717849] ? interrupt_entry+0xb5/0xf0 [ 375.721909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.726914] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.731919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.736750] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.741755] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.746764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.752290] ? check_preemption_disabled+0x48/0x200 [ 375.757300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.762854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.767689] apic_timer_interrupt+0xf/0x20 [ 375.771908] [ 375.774142] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 375.779575] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 375.798463] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 375.806160] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 375.813417] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 375.820676] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 375.827935] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 375.835192] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 375.842465] ? trace_hardirqs_on+0x9a/0x310 [ 375.846774] ? trace_hardirqs_on+0xb4/0x310 [ 375.851091] retint_kernel+0x1b/0x2d [ 375.854796] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 375.860071] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 375.878956] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 375.886651] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 375.893909] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 375.901165] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 375.908422] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 375.915681] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 375.922947] ? trace_hardirqs_on+0x9a/0x310 [ 375.927262] ? arch_local_irq_restore+0x45/0x52 [ 375.931928] dump_stack+0x26a/0x2b4 [ 375.935548] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.940740] ? mark_held_locks+0x130/0x130 [ 375.944963] ? mark_held_locks+0x130/0x130 [ 375.949192] dump_header+0x27b/0xf72 [ 375.952899] ? rcu_read_unlock+0x16/0x60 [ 375.956950] ? pagefault_out_of_memory+0x197/0x197 [ 375.961867] ? mark_held_locks+0x130/0x130 [ 375.966087] ? percpu_ref_put_many+0x13e/0x260 [ 375.970660] ? mem_cgroup_charge_statistics+0x780/0x780 [ 375.976017] ? mem_cgroup_iter+0x1f7/0x1160 [ 375.980337] ? mark_held_locks+0x130/0x130 [ 375.984588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.990115] ? task_will_free_mem+0x239/0xb30 [ 375.994605] ? ___ratelimit+0x36f/0x655 [ 375.998579] ? lock_downgrade+0x900/0x900 [ 376.002719] ? trace_hardirqs_on+0xbd/0x310 [ 376.007033] ? kasan_check_read+0x11/0x20 [ 376.011171] ? ___ratelimit+0x36f/0x655 [ 376.015135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.020573] ? trace_hardirqs_on+0x310/0x310 [ 376.024972] ? lock_downgrade+0x900/0x900 [ 376.029110] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.034202] ? ___ratelimit+0xaa/0x655 [ 376.038081] ? idr_get_free+0xec0/0xec0 [ 376.042047] ? kasan_check_write+0x14/0x20 [ 376.046268] ? do_raw_spin_lock+0xc1/0x200 [ 376.050500] oom_kill_process.cold.27+0x10/0x903 [ 376.055247] ? lock_downgrade+0x900/0x900 [ 376.059391] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.065178] ? oom_evaluate_task+0x540/0x540 [ 376.069579] ? oom_unkillable_task+0x383/0x580 [ 376.074147] ? out_of_memory+0x974/0x1430 [ 376.078287] ? lock_downgrade+0x900/0x900 [ 376.082429] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.088217] ? __cpuset_node_allowed+0x19b/0x660 [ 376.092969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.098491] ? oom_evaluate_task+0x302/0x540 [ 376.102889] out_of_memory+0xa84/0x1430 [ 376.106868] ? oom_killer_disable+0x3a0/0x3a0 [ 376.111355] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 376.116279] ? __mutex_add_waiter+0x2a0/0x2a0 [ 376.120765] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.125773] ? find_next_bit+0x104/0x130 [ 376.129827] __alloc_pages_slowpath+0x2318/0x2d80 [ 376.134673] ? warn_alloc+0x120/0x120 [ 376.138459] ? __radix_tree_lookup+0x4c0/0x4c0 [ 376.143043] ? find_get_entry+0x2f2/0xc40 [ 376.147191] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 376.152110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.157638] ? should_fail+0x22d/0xd01 [ 376.161516] ? ___might_sleep+0x1ed/0x300 [ 376.165656] ? lock_release+0x970/0x970 [ 376.169636] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.174731] ? debug_smp_processor_id+0x1c/0x20 [ 376.179404] ? __might_sleep+0x95/0x190 [ 376.183374] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 376.188205] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.193210] ? lock_downgrade+0x900/0x900 [ 376.197351] ? ___might_sleep+0x1ed/0x300 [ 376.201487] ? lock_release+0x970/0x970 [ 376.205456] ? arch_local_save_flags+0x40/0x40 [ 376.210037] ? finish_task_switch+0x1f5/0x900 [ 376.214528] ? __might_sleep+0x95/0x190 [ 376.218496] __alloc_pages_nodemask+0xa80/0xde0 [ 376.223161] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.228168] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.233953] ? mark_held_locks+0x130/0x130 [ 376.238178] ? kasan_check_write+0x14/0x20 [ 376.242408] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 376.247071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.252600] ? __do_page_cache_readahead+0x7ce/0x980 [ 376.257704] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 376.263230] alloc_pages_current+0x10c/0x210 [ 376.267626] ? lock_downgrade+0x900/0x900 [ 376.271787] __page_cache_alloc+0x38f/0x5b0 [ 376.276112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.281898] ? ext4_filemap_fault+0x82/0xad [ 376.286214] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 376.290870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.296399] ? check_preemption_disabled+0x48/0x200 [ 376.301410] filemap_fault+0x1594/0x25f0 [ 376.305466] ? __lock_page_or_retry+0xa00/0xa00 [ 376.310125] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.315908] ? lock_downgrade+0x900/0x900 [ 376.320050] ? trace_hardirqs_on+0xbd/0x310 [ 376.324358] ? kasan_check_read+0x11/0x20 [ 376.328503] ? __free_object+0x173/0x340 [ 376.332560] ? filemap_map_pages+0xdea/0x1980 [ 376.337047] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.342144] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 376.347407] ? debug_object_free+0x325/0x690 [ 376.351803] ? find_get_pages_range_tag+0x1320/0x1320 [ 376.356985] ? do_raw_spin_lock+0xc1/0x200 [ 376.361222] ? kasan_check_read+0x11/0x20 [ 376.365355] ? debug_object_destroy+0x2b0/0x2b0 [ 376.370021] ? kasan_check_write+0x14/0x20 [ 376.374247] ? lock_acquire+0x1ed/0x520 [ 376.378217] ? ext4_filemap_fault+0x7a/0xad [ 376.382528] ? lock_release+0x970/0x970 [ 376.386489] ? arch_local_save_flags+0x40/0x40 [ 376.391062] ? futex_wait_setup+0x3e0/0x3e0 [ 376.395379] ? down_read+0xb0/0x1d0 [ 376.399003] ? ext4_filemap_fault+0x7a/0xad [ 376.403317] ? __down_interruptible+0x700/0x700 [ 376.407981] ext4_filemap_fault+0x82/0xad [ 376.412127] __do_fault+0x100/0x6b0 [ 376.415744] ? print_bad_pte+0x6c0/0x6c0 [ 376.419795] ? do_futex+0x249/0x26d0 [ 376.423507] ? pmd_val+0x88/0x100 [ 376.426951] ? add_mm_counter_fast+0xd0/0xd0 [ 376.431345] ? pmd_val+0x88/0x100 [ 376.434788] ? add_mm_counter_fast+0xd0/0xd0 [ 376.439192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.444719] __handle_mm_fault+0x3709/0x53e0 [ 376.449116] ? perf_trace_lock+0x14d/0x7a0 [ 376.453342] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 376.458198] ? ksys_dup3+0x680/0x680 [ 376.461909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.467432] ? should_fail+0x22d/0xd01 [ 376.471313] ? lock_acquire+0x1ed/0x520 [ 376.475280] ? handle_mm_fault+0x42a/0xc70 [ 376.479505] ? lock_downgrade+0x900/0x900 [ 376.483644] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.489428] ? lock_downgrade+0x900/0x900 [ 376.493564] ? __do_page_fault+0x67d/0xed0 [ 376.497788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.503227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.508761] ? check_preemption_disabled+0x48/0x200 [ 376.513773] handle_mm_fault+0x54f/0xc70 [ 376.517838] ? __handle_mm_fault+0x53e0/0x53e0 [ 376.522419] ? find_vma+0x34/0x190 [ 376.525948] __do_page_fault+0x67d/0xed0 [ 376.530011] ? mm_fault_error+0x380/0x380 [ 376.534147] ? trace_hardirqs_off+0xb8/0x310 [ 376.538545] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.543907] ? trace_hardirqs_on+0x310/0x310 [ 376.548306] do_page_fault+0xf2/0x7e0 [ 376.552096] ? vmalloc_sync_all+0x30/0x30 [ 376.556232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.561854] ? error_entry+0x70/0xd0 [ 376.565560] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.570564] ? trace_hardirqs_on_caller+0xc0/0x310 [ 376.575483] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.580401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.585240] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.590246] ? trace_hardirqs_off+0x310/0x310 [ 376.594732] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.599736] ? page_fault+0x8/0x30 [ 376.603264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.608099] ? page_fault+0x8/0x30 [ 376.611626] page_fault+0x1e/0x30 [ 376.615149] RIP: 0033:0x40f9c0 [ 376.618334] Code: Bad RIP value. [ 376.621687] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 376.627039] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 376.634296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 376.641554] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 376.648808] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 376.656063] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 376.663336] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 376.663378] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.670605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.670609] Call Trace: [ 376.670614] [ 376.670628] dump_stack+0x1c4/0x2b4 [ 376.670644] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.677144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.686453] warn_alloc.cold.119+0xb7/0x1bd [ 376.689001] syz-fuzzer cpuset= [ 376.691138] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.694732] / [ 376.699905] ? lock_downgrade+0x900/0x900 [ 376.710098] mems_allowed=0 [ 376.714402] ? trace_hardirqs_off+0xb8/0x310 [ 376.735500] ? trace_hardirqs_off+0xb8/0x310 [ 376.739904] __alloc_pages_slowpath+0x2667/0x2d80 [ 376.744754] ? warn_alloc+0x120/0x120 [ 376.748547] ? trace_hardirqs_on+0x310/0x310 [ 376.752946] ? warn_alloc+0x120/0x120 [ 376.756765] ? warn_alloc+0x120/0x120 [ 376.760552] ? ktime_get+0x2e1/0x440 [ 376.764256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.769782] ? check_preemption_disabled+0x48/0x200 [ 376.774791] ? kasan_check_read+0x11/0x20 [ 376.778926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.784455] ? should_fail+0x22d/0xd01 [ 376.788333] ? rcu_bh_qs+0xc0/0xc0 [ 376.791884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.796983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.802506] ? should_fail+0x22d/0xd01 [ 376.806385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.811488] ? should_fail+0x22d/0xd01 [ 376.815381] ? rcu_idle_enter+0x4b0/0x4b0 [ 376.819518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.824622] ? mark_held_locks+0x130/0x130 [ 376.828849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.834379] ? mark_held_locks+0x130/0x130 [ 376.838602] ? rcu_irq_exit+0xce/0x100 [ 376.842480] ? irq_exit+0xbd/0x1c0 [ 376.846009] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.851014] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.855412] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.861286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.866809] ? ret_from_intr+0xb/0x1e [ 376.870598] ? retint_kernel+0x2d/0x2d [ 376.874476] ? trace_hardirqs_on_caller+0xc0/0x310 [ 376.879396] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.884139] ? trace_hardirqs_off+0x310/0x310 [ 376.888623] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.893727] __alloc_pages_nodemask+0xa80/0xde0 [ 376.898384] ? should_fail+0x22d/0xd01 [ 376.902262] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.907283] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.911952] ? lock_downgrade+0x900/0x900 [ 376.916092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.921623] cache_grow_begin+0x91/0x8c0 [ 376.925672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.930081] fallback_alloc+0x203/0x2e0 [ 376.934050] ____cache_alloc_node+0x1c7/0x1e0 [ 376.938536] kmem_cache_alloc_node+0xe3/0x730 [ 376.943035] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.947267] __alloc_skb+0x119/0x770 [ 376.950974] ? skb_scrub_packet+0x490/0x490 [ 376.955291] ? lock_downgrade+0x900/0x900 [ 376.959431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.964960] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.970406] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.975844] ? addrconf_rs_timer+0x690/0x690 [ 376.980247] ndisc_alloc_skb+0x144/0x340 [ 376.984298] ndisc_send_rs+0x331/0x6e0 [ 376.988183] addrconf_rs_timer+0x314/0x690 [ 376.992408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.996638] call_timer_fn+0x272/0x920 [ 377.000515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.004738] ? process_timeout+0x40/0x40 [ 377.008789] ? trace_hardirqs_off+0xb8/0x310 [ 377.013185] ? kasan_check_read+0x11/0x20 [ 377.017322] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.021728] ? trace_hardirqs_on+0x310/0x310 [ 377.026127] ? __run_timers+0x7da/0xc70 [ 377.030093] ? lock_downgrade+0x900/0x900 [ 377.034231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.039321] ? trace_hardirqs_on+0xbd/0x310 [ 377.043630] ? kasan_check_read+0x11/0x20 [ 377.047771] ? __run_timers+0x7da/0xc70 [ 377.051733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.057177] ? kasan_check_write+0x14/0x20 [ 377.061405] ? do_raw_spin_lock+0xc1/0x200 [ 377.065634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.069861] __run_timers+0x7e5/0xc70 [ 377.073658] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.079011] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.084016] ? timerqueue_add+0x207/0x2b0 [ 377.088156] ? enqueue_hrtimer+0x1a5/0x560 [ 377.092379] ? lock_release+0x970/0x970 [ 377.096346] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.101528] ? kasan_check_write+0x14/0x20 [ 377.105754] ? pvclock_read_flags+0x160/0x160 [ 377.110235] ? lock_downgrade+0x900/0x900 [ 377.114378] ? trace_hardirqs_on+0xbd/0x310 [ 377.118774] ? kvm_sched_clock_read+0x9/0x20 [ 377.123173] ? irq_exit+0x17f/0x1c0 [ 377.126789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.132319] ? check_preemption_disabled+0x48/0x200 [ 377.137321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.142853] run_timer_softirq+0x52/0xb0 [ 377.146902] ? __this_cpu_preempt_check+0x1c/0x1f [ 377.151742] __do_softirq+0x30b/0xad8 [ 377.155541] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.160636] ? pvclock_read_flags+0x160/0x160 [ 377.165122] ? lapic_next_event+0x5a/0x90 [ 377.169262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.174791] ? clockevents_program_event+0x140/0x370 [ 377.179885] ? kvm_clock_read+0x18/0x30 [ 377.183856] ? kvm_sched_clock_read+0x9/0x20 [ 377.188252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.193776] ? check_preemption_disabled+0x48/0x200 [ 377.198795] irq_exit+0x17f/0x1c0 [ 377.202242] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.207076] ? smp_reschedule_interrupt+0x109/0x650 [ 377.212097] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.217977] ? interrupt_entry+0xb5/0xf0 [ 377.222030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.227037] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.232041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.236872] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.241876] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.246880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.252405] ? check_preemption_disabled+0x48/0x200 [ 377.257409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.262947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.267780] apic_timer_interrupt+0xf/0x20 [ 377.271998] [ 377.274228] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 377.279159] 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 [ 377.298053] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.305753] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 377.313008] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 377.320266] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 377.327524] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 377.334781] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 377.342056] ? trace_hardirqs_on+0xb4/0x310 [ 377.346377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.351917] skb_clone+0x1bb/0x500 [ 377.355446] ? skb_split+0x11e0/0x11e0 [ 377.359328] ? check_preemption_disabled+0x48/0x200 [ 377.364338] ? __this_cpu_preempt_check+0x1c/0x1f [ 377.369175] ? __bpf_redirect+0x54b/0xb20 [ 377.373313] ? __switch_to_asm+0x34/0x70 [ 377.377372] bpf_clone_redirect+0xb9/0x490 [ 377.381605] bpf_prog_466abe619656067b+0x436/0x1000 [ 377.386618] ? __sched_text_start+0x8/0x8 [ 377.390756] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.395505] ? retint_kernel+0x2d/0x2d [ 377.399391] ? lock_acquire+0x1ed/0x520 [ 377.403354] ? bpf_test_run+0x32e/0x5a0 [ 377.407317] ? lock_downgrade+0x900/0x900 [ 377.411458] ? lock_release+0x970/0x970 [ 377.415424] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 377.421215] ? preempt_schedule_common+0x1f/0xd0 [ 377.425962] ? preempt_schedule+0x4d/0x60 [ 377.430107] ? ___preempt_schedule+0x16/0x18 [ 377.434509] ? bpf_test_run+0x1c0/0x5a0 [ 377.438480] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.442884] ? bpf_prog_test_run_skb+0x295/0xb40 [ 377.447639] ? bpf_prog_test_run_skb+0x634/0xb40 [ 377.452393] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.457228] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.462755] ? fput+0x130/0x1a0 [ 377.466025] ? __bpf_prog_get+0x9b/0x290 [ 377.470080] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.474917] ? bpf_prog_test_run+0x130/0x1a0 [ 377.479316] ? __x64_sys_bpf+0x3d8/0x510 [ 377.483367] ? bpf_prog_get+0x20/0x20 [ 377.487173] ? do_syscall_64+0x1b9/0x820 [ 377.491227] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.496589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.501512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.506346] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.511357] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.516368] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.521380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.526218] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.531576] warn_alloc_show_mem: 1 callbacks suppressed [ 377.531585] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 377.531587] Mem-Info: [ 377.531615] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 377.531615] active_file:98 inactive_file:120 isolated_file:0 [ 377.531615] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.531615] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 377.531615] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 377.531615] free:13602 free_pcp:142 free_cma:0 [ 377.536943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.536949] Call Trace: [ 377.543873] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.546260] [ 377.579200] Node 0 [ 377.588545] dump_stack+0x1c4/0x2b4 [ 377.591116] 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 [ 377.619254] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.621371] lowmem_reserve[]: [ 377.623597] warn_alloc.cold.119+0xb7/0x1bd [ 377.627187] 0 [ 377.652683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.657836] 2819 [ 377.660925] ? lock_downgrade+0x900/0x900 [ 377.665211] 6323 [ 377.666999] ? trace_hardirqs_off+0xb8/0x310 [ 377.671807] 6323 [ 377.673855] ? trace_hardirqs_off+0xb8/0x310 [ 377.680022] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.684396] Node 0 [ 377.686458] ? warn_alloc+0x120/0x120 [ 377.690846] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 377.695651] ? warn_alloc+0x120/0x120 [ 377.697853] lowmem_reserve[]: [ 377.701644] ? warn_alloc+0x120/0x120 [ 377.728151] 0 [ 377.731936] ? mark_held_locks+0x130/0x130 [ 377.735005] 0 [ 377.738792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.740563] 3503 [ 377.744783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.746563] 3503 [ 377.752097] ? should_fail+0x22d/0xd01 [ 377.759649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.761678] Node 0 [ 377.765546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.770645] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 377.772837] ? should_fail+0x22d/0xd01 [ 377.778355] lowmem_reserve[]: [ 377.807027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.810884] 0 [ 377.813974] ? should_fail+0x22d/0xd01 [ 377.819039] 0 0 [ 377.820835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.824690] 0 [ 377.826654] ? mark_held_locks+0x130/0x130 [ 377.833513] ? mark_held_locks+0x130/0x130 [ 377.837712] Node 0 [ 377.841925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.841932] DMA: [ 377.844151] ? trace_hardirqs_off+0xb8/0x310 [ 377.849659] 1*4kB [ 377.851704] ? kasan_check_read+0x11/0x20 [ 377.856081] (U) [ 377.858227] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.862344] 0*8kB [ 377.864304] ? trace_hardirqs_on+0x310/0x310 [ 377.868680] 0*16kB [ 377.870813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.875189] 1*32kB [ 377.877407] ? wq_watchdog_touch+0x9c/0xfe [ 377.882924] (U) [ 377.885148] ? io_serial_in+0x11/0x90 [ 377.889351] 2*64kB [ 377.891311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.895080] (U) [ 377.897302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.902821] 1*128kB [ 377.904785] __alloc_pages_nodemask+0xa80/0xde0 [ 377.909844] (U) 1*256kB [ 377.912165] ? should_fail+0x22d/0xd01 [ 377.916799] (U) [ 377.919454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.923308] 0*512kB [ 377.925281] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.930253] 1*1024kB [ 377.932556] ? lock_downgrade+0x900/0x900 [ 377.937192] (U) [ 377.939588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.943704] 1*2048kB [ 377.945683] cache_grow_begin+0x91/0x8c0 [ 377.951186] (M) [ 377.953586] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.957626] 3*4096kB [ 377.959585] fallback_alloc+0x203/0x2e0 [ 377.963962] (M) [ 377.966355] ____cache_alloc_node+0x1c7/0x1e0 [ 377.970294] = 15908kB [ 377.972253] kmem_cache_alloc_node+0xe3/0x730 [ 377.976827] Node 0 [ 377.979219] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.983677] DMA32: [ 377.985985] __alloc_skb+0x119/0x770 [ 377.990185] 5*4kB [ 377.992406] ? skb_scrub_packet+0x490/0x490 [ 377.996089] (UM) [ 377.998227] ? lock_downgrade+0x900/0x900 [ 378.002519] 0*8kB [ 378.004565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.008682] 5*16kB [ 378.010817] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.016319] (UMH) [ 378.018539] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.023959] 5*32kB [ 378.026090] ? addrconf_rs_timer+0x690/0x690 [ 378.031506] (UMH) [ 378.033749] ndisc_alloc_skb+0x144/0x340 [ 378.038122] 7*64kB [ 378.040257] ndisc_send_rs+0x331/0x6e0 [ 378.044282] (UM) [ 378.046503] addrconf_rs_timer+0x314/0x690 [ 378.050360] 4*128kB [ 378.052404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.056609] (UM) [ 378.058923] call_timer_fn+0x272/0x920 [ 378.063125] 5*256kB [ 378.065172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.069025] (UMH) [ 378.071334] ? process_timeout+0x40/0x40 [ 378.075533] 4*512kB [ 378.077669] ? trace_hardirqs_off+0xb8/0x310 [ 378.081697] (UM) [ 378.084001] ? kasan_check_read+0x11/0x20 [ 378.088381] 4*1024kB [ 378.090427] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.094540] (UMH) [ 378.096935] ? trace_hardirqs_on+0x310/0x310 [ 378.101312] 4*2048kB [ 378.103451] ? __run_timers+0x7da/0xc70 [ 378.107827] (UM) [ 378.110227] ? lock_downgrade+0x900/0x900 [ 378.114176] 2*4096kB [ 378.116223] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.120337] (M) [ 378.122729] ? trace_hardirqs_on+0xbd/0x310 [ 378.127801] = 25028kB [ 378.129758] ? kasan_check_read+0x11/0x20 [ 378.134049] Node 0 [ 378.136445] ? __run_timers+0x7da/0xc70 [ 378.140559] Normal: [ 378.142781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.146720] 809*4kB [ 378.149026] ? kasan_check_write+0x14/0x20 [ 378.154442] (UMEH) [ 378.156751] ? do_raw_spin_lock+0xc1/0x200 [ 378.160951] 372*8kB [ 378.163170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.167368] (UMEH) [ 378.169676] __run_timers+0x7e5/0xc70 [ 378.173878] 191*16kB [ 378.176114] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.179874] (UMEH) [ 378.182267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.187600] 81*32kB [ 378.189823] ? timerqueue_add+0x207/0x2b0 [ 378.194809] (UME) [ 378.197116] ? enqueue_hrtimer+0x1a5/0x560 [ 378.201230] 21*64kB [ 378.203361] ? lock_release+0x970/0x970 [ 378.207562] (UMH) [ 378.209871] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.213812] 3*128kB [ 378.215951] ? kasan_check_write+0x14/0x20 [ 378.221106] (UH) [ 378.223416] ? pvclock_read_flags+0x160/0x160 [ 378.227615] 0*256kB [ 378.229658] ? lock_downgrade+0x900/0x900 [ 378.234120] 0*512kB [ 378.236430] ? trace_hardirqs_on+0xbd/0x310 [ 378.240541] 0*1024kB [ 378.242868] ? kvm_sched_clock_read+0x9/0x20 [ 378.247155] 0*2048kB [ 378.249549] ? irq_exit+0x17f/0x1c0 [ 378.253926] 0*4096kB [ 378.256321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.259915] = 13588kB [ 378.262309] ? check_preemption_disabled+0x48/0x200 [ 378.267814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.270207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.275195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.284011] run_timer_softirq+0x52/0xb0 [ 378.289515] 348 total pagecache pages [ 378.298074] ? __this_cpu_preempt_check+0x1c/0x1f [ 378.302099] 0 pages in swap cache [ 378.305895] __do_softirq+0x30b/0xad8 [ 378.310705] Swap cache stats: add 0, delete 0, find 0/0 [ 378.314139] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.317913] Free swap = 0kB [ 378.323256] ? pvclock_read_flags+0x160/0x160 [ 378.328328] Total swap = 0kB [ 378.331331] ? lapic_next_event+0x5a/0x90 [ 378.335791] 1965979 pages RAM [ 378.338791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.342906] 0 pages HighMem/MovableOnly [ 378.345996] ? clockevents_program_event+0x140/0x370 [ 378.351496] 342307 pages reserved [ 378.355451] ? kvm_clock_read+0x18/0x30 [ 378.360520] 0 pages cma reserved [ 378.363955] ? kvm_sched_clock_read+0x9/0x20 [ 378.367958] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.371243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.371255] ? check_preemption_disabled+0x48/0x200 [ 378.371273] irq_exit+0x17f/0x1c0 [ 378.375713] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.382127] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.387643] syz-executor3 cpuset= [ 378.392641] ? smp_reschedule_interrupt+0x109/0x650 [ 378.396062] syz3 [ 378.406534] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.411345] mems_allowed=0 [ 378.414776] ? interrupt_entry+0xb5/0xf0 [ 378.434527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.439529] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.444537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.449382] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.454390] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.459394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.464922] ? check_preemption_disabled+0x48/0x200 [ 378.469926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.475454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.480289] apic_timer_interrupt+0xf/0x20 [ 378.484508] [ 378.486739] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 378.491920] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 378.510810] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 378.518507] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 378.525764] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 378.533025] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 378.540283] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 378.547542] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 378.554827] ? trace_hardirqs_on+0x9a/0x310 [ 378.559152] ? trace_hardirqs_on+0xb4/0x310 [ 378.563468] retint_kernel+0x1b/0x2d [ 378.567177] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 378.572439] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 378.591328] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 378.599022] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 378.606281] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 378.613540] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 378.620802] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 378.628065] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 378.635333] ? trace_hardirqs_on+0x9a/0x310 [ 378.639646] ? arch_local_irq_restore+0x45/0x52 [ 378.644307] dump_stack+0x26a/0x2b4 [ 378.647929] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.653107] ? mark_held_locks+0x130/0x130 [ 378.657339] ? mark_held_locks+0x130/0x130 [ 378.661565] dump_header+0x27b/0xf72 [ 378.665270] ? rcu_read_unlock+0x16/0x60 [ 378.669323] ? pagefault_out_of_memory+0x197/0x197 [ 378.674242] ? mark_held_locks+0x130/0x130 [ 378.678464] ? percpu_ref_put_many+0x13e/0x260 [ 378.683036] ? mem_cgroup_charge_statistics+0x780/0x780 [ 378.688400] ? mem_cgroup_iter+0x1f7/0x1160 [ 378.692708] ? mark_held_locks+0x130/0x130 [ 378.696934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.702459] ? task_will_free_mem+0x239/0xb30 [ 378.706953] ? ___ratelimit+0x36f/0x655 [ 378.710915] ? lock_downgrade+0x900/0x900 [ 378.715058] ? trace_hardirqs_on+0xbd/0x310 [ 378.719365] ? kasan_check_read+0x11/0x20 [ 378.723503] ? ___ratelimit+0x36f/0x655 [ 378.727468] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.732907] ? trace_hardirqs_on+0x310/0x310 [ 378.737306] ? lock_downgrade+0x900/0x900 [ 378.741445] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.746536] ? ___ratelimit+0xaa/0x655 [ 378.750414] ? idr_get_free+0xec0/0xec0 [ 378.754382] ? kasan_check_write+0x14/0x20 [ 378.758606] ? do_raw_spin_lock+0xc1/0x200 [ 378.762835] oom_kill_process.cold.27+0x10/0x903 [ 378.767578] ? lock_downgrade+0x900/0x900 [ 378.771720] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.777507] ? oom_evaluate_task+0x540/0x540 [ 378.781908] ? oom_unkillable_task+0x383/0x580 [ 378.786478] ? out_of_memory+0x974/0x1430 [ 378.790617] ? lock_downgrade+0x900/0x900 [ 378.794756] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.800563] ? __cpuset_node_allowed+0x19b/0x660 [ 378.805311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.810835] ? oom_evaluate_task+0x302/0x540 [ 378.815233] out_of_memory+0xa84/0x1430 [ 378.819198] ? oom_killer_disable+0x3a0/0x3a0 [ 378.823680] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 378.828602] ? __mutex_add_waiter+0x2a0/0x2a0 [ 378.833084] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.838089] ? find_next_bit+0x104/0x130 [ 378.842144] __alloc_pages_slowpath+0x2318/0x2d80 [ 378.846996] ? warn_alloc+0x120/0x120 [ 378.850797] ? __radix_tree_lookup+0x4c0/0x4c0 [ 378.855375] ? find_get_entry+0x2f2/0xc40 [ 378.859521] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 378.864440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.869966] ? should_fail+0x22d/0xd01 [ 378.873841] ? ___might_sleep+0x1ed/0x300 [ 378.877979] ? lock_release+0x970/0x970 [ 378.881942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.887038] ? debug_smp_processor_id+0x1c/0x20 [ 378.891698] ? __might_sleep+0x95/0x190 [ 378.895663] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 378.900496] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.905503] ? lock_downgrade+0x900/0x900 [ 378.909644] ? ___might_sleep+0x1ed/0x300 [ 378.913795] ? lock_release+0x970/0x970 [ 378.917762] ? arch_local_save_flags+0x40/0x40 [ 378.922341] ? finish_task_switch+0x1f5/0x900 [ 378.926831] ? __might_sleep+0x95/0x190 [ 378.930799] __alloc_pages_nodemask+0xa80/0xde0 [ 378.935463] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.940471] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.946254] ? mark_held_locks+0x130/0x130 [ 378.950473] ? kasan_check_write+0x14/0x20 [ 378.954698] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 378.959362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.964902] ? __do_page_cache_readahead+0x7ce/0x980 [ 378.969999] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 378.975530] alloc_pages_current+0x10c/0x210 [ 378.979937] ? lock_downgrade+0x900/0x900 [ 378.984072] __page_cache_alloc+0x38f/0x5b0 [ 378.988382] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.994168] ? ext4_filemap_fault+0x82/0xad [ 378.998478] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 379.003151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.008682] ? check_preemption_disabled+0x48/0x200 [ 379.013692] filemap_fault+0x1594/0x25f0 [ 379.017745] ? __lock_page_or_retry+0xa00/0xa00 [ 379.022411] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.028199] ? lock_downgrade+0x900/0x900 [ 379.032353] ? trace_hardirqs_on+0xbd/0x310 [ 379.036662] ? kasan_check_read+0x11/0x20 [ 379.040799] ? __free_object+0x173/0x340 [ 379.044856] ? filemap_map_pages+0xdea/0x1980 [ 379.049342] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.054438] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 379.059699] ? debug_object_free+0x325/0x690 [ 379.064094] ? find_get_pages_range_tag+0x1320/0x1320 [ 379.069273] ? do_raw_spin_lock+0xc1/0x200 [ 379.073494] ? kasan_check_read+0x11/0x20 [ 379.077625] ? debug_object_destroy+0x2b0/0x2b0 [ 379.082279] ? kasan_check_write+0x14/0x20 [ 379.086506] ? lock_acquire+0x1ed/0x520 [ 379.090469] ? ext4_filemap_fault+0x7a/0xad [ 379.094783] ? lock_release+0x970/0x970 [ 379.098757] ? arch_local_save_flags+0x40/0x40 [ 379.103333] ? futex_wait_setup+0x3e0/0x3e0 [ 379.107650] ? down_read+0xb0/0x1d0 [ 379.111264] ? ext4_filemap_fault+0x7a/0xad [ 379.115575] ? __down_interruptible+0x700/0x700 [ 379.120240] ext4_filemap_fault+0x82/0xad [ 379.124377] __do_fault+0x100/0x6b0 [ 379.127997] ? print_bad_pte+0x6c0/0x6c0 [ 379.132050] ? do_futex+0x249/0x26d0 [ 379.135763] ? pmd_val+0x88/0x100 [ 379.139206] ? add_mm_counter_fast+0xd0/0xd0 [ 379.143603] ? pmd_val+0x88/0x100 [ 379.147044] ? add_mm_counter_fast+0xd0/0xd0 [ 379.151440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.156972] __handle_mm_fault+0x3709/0x53e0 [ 379.161367] ? perf_trace_lock+0x14d/0x7a0 [ 379.165599] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 379.170431] ? ksys_dup3+0x680/0x680 [ 379.174133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.179657] ? should_fail+0x22d/0xd01 [ 379.183543] ? lock_acquire+0x1ed/0x520 [ 379.187509] ? handle_mm_fault+0x42a/0xc70 [ 379.191734] ? lock_downgrade+0x900/0x900 [ 379.195881] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.201667] ? lock_downgrade+0x900/0x900 [ 379.205812] ? __do_page_fault+0x67d/0xed0 [ 379.210038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.215477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.221010] ? check_preemption_disabled+0x48/0x200 [ 379.226021] handle_mm_fault+0x54f/0xc70 [ 379.230073] ? __handle_mm_fault+0x53e0/0x53e0 [ 379.234642] ? find_vma+0x34/0x190 [ 379.238175] __do_page_fault+0x67d/0xed0 [ 379.242229] ? mm_fault_error+0x380/0x380 [ 379.246367] ? trace_hardirqs_off+0xb8/0x310 [ 379.250770] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.256124] ? trace_hardirqs_on+0x310/0x310 [ 379.260523] do_page_fault+0xf2/0x7e0 [ 379.264309] ? vmalloc_sync_all+0x30/0x30 [ 379.268443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.273966] ? error_entry+0x70/0xd0 [ 379.277677] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.282853] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.287772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.292687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.297518] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.302521] ? trace_hardirqs_off+0x310/0x310 [ 379.307012] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.312037] ? page_fault+0x8/0x30 [ 379.315570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.320405] ? page_fault+0x8/0x30 [ 379.323934] page_fault+0x1e/0x30 [ 379.327377] RIP: 0033:0x40f9c0 [ 379.330562] Code: Bad RIP value. [ 379.333910] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 379.339264] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 379.346524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 379.353783] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 379.361038] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 379.368292] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 379.375564] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 379.375603] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.382830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.382833] Call Trace: [ 379.382838] [ 379.382851] dump_stack+0x1c4/0x2b4 [ 379.382867] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.389379] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.398675] warn_alloc.cold.119+0xb7/0x1bd [ 379.401224] syz-fuzzer cpuset= [ 379.403357] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.406950] / [ 379.412122] ? lock_downgrade+0x900/0x900 [ 379.422313] mems_allowed=0 [ 379.426619] ? trace_hardirqs_off+0xb8/0x310 [ 379.447727] ? trace_hardirqs_off+0xb8/0x310 [ 379.452129] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.456995] ? warn_alloc+0x120/0x120 [ 379.460786] ? warn_alloc+0x120/0x120 [ 379.464580] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.468977] ? warn_alloc+0x120/0x120 [ 379.472767] ? kasan_check_write+0x14/0x20 [ 379.476994] ? do_raw_spin_lock+0xc1/0x200 [ 379.481224] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.486317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.491842] ? should_fail+0x22d/0xd01 [ 379.495726] ? mark_held_locks+0x130/0x130 [ 379.499950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.505044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.510571] ? should_fail+0x22d/0xd01 [ 379.514447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.519544] ? should_fail+0x22d/0xd01 [ 379.523425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.528519] ? mark_held_locks+0x130/0x130 [ 379.532744] ? mark_held_locks+0x130/0x130 [ 379.536967] ? update_stack_state+0x1a5/0x690 [ 379.541450] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.546459] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 379.551212] ? is_bpf_text_address+0xac/0x170 [ 379.555696] ? lock_downgrade+0x900/0x900 [ 379.559849] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.565635] ? kasan_check_read+0x11/0x20 [ 379.569947] __alloc_pages_nodemask+0xa80/0xde0 [ 379.575298] ? should_fail+0x22d/0xd01 [ 379.579179] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.584186] ? is_bpf_text_address+0xd3/0x170 [ 379.588682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.593518] ? lock_downgrade+0x900/0x900 [ 379.597665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.603193] cache_grow_begin+0x91/0x8c0 [ 379.607242] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.611819] fallback_alloc+0x203/0x2e0 [ 379.615785] ____cache_alloc_node+0x1c7/0x1e0 [ 379.620272] kmem_cache_alloc_node+0xe3/0x730 [ 379.624771] __alloc_skb+0x119/0x770 [ 379.628481] ? skb_scrub_packet+0x490/0x490 [ 379.632793] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 379.637366] ? queue_work_on+0x12c/0x1e0 [ 379.641419] ? switchdev_port_obj_del+0xdc/0x450 [ 379.646163] ? switchdev_trans_item_enqueue+0x260/0x260 [ 379.651519] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.657747] ? mod_timer+0x647/0x1440 [ 379.661540] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.666546] __br_mdb_notify+0x4ff/0x15d0 [ 379.670688] ? __br_mdb_add+0x800/0x800 [ 379.674657] ? trace_hardirqs_on+0x310/0x310 [ 379.679065] ? br_multicast_group_expired+0x96/0x610 [ 379.684161] br_mdb_notify+0x310/0x410 [ 379.688038] ? br_mdb_dump+0x2530/0x2530 [ 379.692089] ? kasan_check_write+0x14/0x20 [ 379.696313] ? do_raw_spin_lock+0xc1/0x200 [ 379.700540] br_multicast_group_expired+0x1bc/0x610 [ 379.705543] ? br_mdb_free+0x80/0x80 [ 379.709253] call_timer_fn+0x272/0x920 [ 379.713129] ? br_mdb_free+0x80/0x80 [ 379.716833] ? process_timeout+0x40/0x40 [ 379.720883] ? trace_hardirqs_off+0xb8/0x310 [ 379.725278] ? kasan_check_read+0x11/0x20 [ 379.729419] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.733814] ? trace_hardirqs_on+0x310/0x310 [ 379.738212] ? __run_timers+0x7da/0xc70 [ 379.742173] ? lock_downgrade+0x900/0x900 [ 379.746315] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.751408] ? trace_hardirqs_on+0xbd/0x310 [ 379.755718] ? kasan_check_read+0x11/0x20 [ 379.759854] ? __run_timers+0x7da/0xc70 [ 379.763818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.769256] ? kasan_check_write+0x14/0x20 [ 379.773478] ? do_raw_spin_lock+0xc1/0x200 [ 379.777711] ? br_mdb_free+0x80/0x80 [ 379.781958] __run_timers+0x7e5/0xc70 [ 379.785758] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 379.791109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.796113] ? timerqueue_add+0x207/0x2b0 [ 379.800253] ? enqueue_hrtimer+0x1a5/0x560 [ 379.804477] ? lock_release+0x970/0x970 [ 379.808439] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.813626] ? kasan_check_write+0x14/0x20 [ 379.817862] ? pvclock_read_flags+0x160/0x160 [ 379.822354] ? lock_downgrade+0x900/0x900 [ 379.827280] ? trace_hardirqs_on+0xbd/0x310 [ 379.831591] ? kvm_sched_clock_read+0x9/0x20 [ 379.835992] ? irq_exit+0x17f/0x1c0 [ 379.839606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.845134] ? check_preemption_disabled+0x48/0x200 [ 379.850141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.855670] run_timer_softirq+0x52/0xb0 [ 379.859725] ? __this_cpu_preempt_check+0x1c/0x1f [ 379.864557] __do_softirq+0x30b/0xad8 [ 379.868353] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 379.873449] ? pvclock_read_flags+0x160/0x160 [ 379.877930] ? lapic_next_event+0x5a/0x90 [ 379.882070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.887596] ? clockevents_program_event+0x140/0x370 [ 379.892696] ? kvm_clock_read+0x18/0x30 [ 379.896658] ? kvm_sched_clock_read+0x9/0x20 [ 379.901067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.906595] ? check_preemption_disabled+0x48/0x200 [ 379.911605] irq_exit+0x17f/0x1c0 [ 379.915049] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.919882] ? smp_reschedule_interrupt+0x109/0x650 [ 379.924891] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.930767] ? interrupt_entry+0xb5/0xf0 [ 379.934819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.939821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.945088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.949917] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.954925] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.959928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.965472] ? check_preemption_disabled+0x48/0x200 [ 379.970479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.976008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.980841] apic_timer_interrupt+0xf/0x20 [ 379.985059] [ 379.987289] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.992230] 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 [ 380.011116] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.018816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 380.026074] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 380.033329] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 380.040589] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 380.047849] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 380.055118] ? trace_hardirqs_on+0xb4/0x310 [ 380.059443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.064976] skb_clone+0x1bb/0x500 [ 380.068508] ? skb_split+0x11e0/0x11e0 [ 380.072395] ? check_preemption_disabled+0x48/0x200 [ 380.077491] ? __this_cpu_preempt_check+0x1c/0x1f [ 380.082326] ? __bpf_redirect+0x54b/0xb20 [ 380.086459] ? __switch_to_asm+0x34/0x70 [ 380.090514] bpf_clone_redirect+0xb9/0x490 [ 380.094741] bpf_prog_466abe619656067b+0x436/0x1000 [ 380.099750] ? __sched_text_start+0x8/0x8 [ 380.103886] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.108723] ? retint_kernel+0x2d/0x2d [ 380.113565] ? lock_acquire+0x1ed/0x520 [ 380.117789] ? bpf_test_run+0x32e/0x5a0 [ 380.121753] ? lock_downgrade+0x900/0x900 [ 380.125890] ? lock_release+0x970/0x970 [ 380.129852] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 380.135640] ? preempt_schedule_common+0x1f/0xd0 [ 380.140391] ? preempt_schedule+0x4d/0x60 [ 380.144541] ? ___preempt_schedule+0x16/0x18 [ 380.150687] ? bpf_test_run+0x1c0/0x5a0 [ 380.154654] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.159063] ? bpf_prog_test_run_skb+0x295/0xb40 [ 380.163806] ? bpf_prog_test_run_skb+0x634/0xb40 [ 380.168574] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.173408] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.178937] ? fput+0x130/0x1a0 [ 380.182209] ? __bpf_prog_get+0x9b/0x290 [ 380.186263] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.191095] ? bpf_prog_test_run+0x130/0x1a0 [ 380.196274] ? __x64_sys_bpf+0x3d8/0x510 [ 380.201449] ? bpf_prog_get+0x20/0x20 [ 380.205245] ? do_syscall_64+0x1b9/0x820 [ 380.209296] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.214658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.219668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.224501] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.229509] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.234513] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.239520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.244358] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.249739] warn_alloc_show_mem: 1 callbacks suppressed [ 380.249749] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 380.249750] Mem-Info: [ 380.249776] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 380.249776] active_file:98 inactive_file:120 isolated_file:0 [ 380.249776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.249776] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 380.249776] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 380.249776] free:13602 free_pcp:142 free_cma:0 [ 380.255807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.262723] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.265105] Call Trace: [ 380.301774] Node 0 [ 380.311104] [ 380.338768] 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 [ 380.341318] dump_stack+0x1c4/0x2b4 [ 380.343524] lowmem_reserve[]: [ 380.345670] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.371136] 0 [ 380.374753] warn_alloc.cold.119+0xb7/0x1bd [ 380.377840] 2819 [ 380.383012] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.384781] 6323 [ 380.389086] ? lock_downgrade+0x900/0x900 [ 380.391119] 6323 [ 380.395947] ? trace_hardirqs_off+0xb8/0x310 [ 380.402108] ? trace_hardirqs_off+0xb8/0x310 [ 380.404140] Node 0 [ 380.408530] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.412930] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 380.415155] ? warn_alloc+0x120/0x120 [ 380.419959] lowmem_reserve[]: 0 [ 380.446500] ? trace_hardirqs_on+0x310/0x310 [ 380.450276] 0 [ 380.453538] ? warn_alloc+0x120/0x120 [ 380.457915] 3503 [ 380.459702] ? warn_alloc+0x120/0x120 [ 380.463471] 3503 [ 380.465514] ? ktime_get+0x2e1/0x440 [ 380.471331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.475013] Node 0 [ 380.480528] ? check_preemption_disabled+0x48/0x200 [ 380.480559] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 380.483288] ? kasan_check_read+0x11/0x20 [ 380.490356] lowmem_reserve[]: [ 380.520711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.524825] 0 [ 380.527916] ? should_fail+0x22d/0xd01 [ 380.533417] 0 [ 380.535206] ? rcu_bh_qs+0xc0/0xc0 [ 380.539062] 0 [ 380.540849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.544353] 0 [ 380.546137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.552987] ? should_fail+0x22d/0xd01 [ 380.558490] Node 0 DMA: [ 380.562359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.562373] ? should_fail+0x22d/0xd01 [ 380.565034] 1*4kB [ 380.570117] ? rcu_idle_enter+0x4b0/0x4b0 [ 380.573975] (U) [ 380.576107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.580223] 0*8kB [ 380.582182] ? mark_held_locks+0x130/0x130 [ 380.587253] 0*16kB [ 380.589393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.593593] 1*32kB [ 380.595816] ? mark_held_locks+0x130/0x130 [ 380.601321] (U) [ 380.603544] ? rcu_irq_exit+0xce/0x100 [ 380.607745] 2*64kB [ 380.609716] ? irq_exit+0xbd/0x1c0 [ 380.613567] (U) [ 380.615789] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.619294] 1*128kB [ 380.621254] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.626237] (U) [ 380.628548] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.632923] 1*256kB [ 380.634886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.640736] (U) [ 380.643042] ? ret_from_intr+0xb/0x1e [ 380.648546] 0*512kB [ 380.650506] ? retint_kernel+0x2d/0x2d [ 380.654276] 1*1024kB [ 380.656586] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.660448] (U) [ 380.662843] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.667738] 1*2048kB [ 380.670129] ? trace_hardirqs_off+0x310/0x310 [ 380.675284] (M) [ 380.677675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.682136] 3*4096kB [ 380.684099] __alloc_pages_nodemask+0xa80/0xde0 [ 380.689168] (M) [ 380.691562] ? should_fail+0x22d/0xd01 [ 380.696193] = 15908kB [ 380.696200] Node 0 [ 380.698159] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 380.702014] DMA32: [ 380.704417] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.706618] 5*4kB [ 380.711620] ? lock_downgrade+0x900/0x900 [ 380.713820] (UM) [ 380.718563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.720681] 0*8kB [ 380.724812] cache_grow_begin+0x91/0x8c0 [ 380.726844] 5*16kB [ 380.732370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.734493] (UMH) [ 380.739936] fallback_alloc+0x203/0x2e0 [ 380.742613] 5*32kB [ 380.748481] ____cache_alloc_node+0x1c7/0x1e0 [ 380.751295] (UMH) [ 380.755689] kmem_cache_alloc_node+0xe3/0x730 [ 380.757897] 7*64kB [ 380.762371] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.762388] __alloc_skb+0x119/0x770 [ 380.764506] (UM) [ 380.768984] ? skb_scrub_packet+0x490/0x490 [ 380.771189] 4*128kB [ 380.775403] ? lock_downgrade+0x900/0x900 [ 380.779084] (UM) [ 380.781130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.785417] 5*256kB [ 380.787722] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.791836] (UMH) [ 380.793885] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.799390] 4*512kB [ 380.801696] ? addrconf_rs_timer+0x690/0x690 [ 380.807110] (UM) [ 380.809246] ndisc_alloc_skb+0x144/0x340 [ 380.814662] 4*1024kB [ 380.816972] ndisc_send_rs+0x331/0x6e0 [ 380.821345] (UMH) [ 380.823397] addrconf_rs_timer+0x314/0x690 [ 380.827423] 4*2048kB [ 380.829815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.833670] (UM) [ 380.835812] call_timer_fn+0x272/0x920 [ 380.840010] 2*4096kB [ 380.842403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.846611] (M) [ 380.848658] ? process_timeout+0x40/0x40 [ 380.852512] = 25028kB [ 380.854904] ? trace_hardirqs_off+0xb8/0x310 [ 380.859106] Node 0 [ 380.861061] ? kasan_check_read+0x11/0x20 [ 380.865086] Normal: [ 380.867489] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.871866] 809*4kB [ 380.874086] ? trace_hardirqs_on+0x310/0x310 [ 380.878202] (UMEH) [ 380.880513] ? __run_timers+0x7da/0xc70 [ 380.884888] 372*8kB [ 380.887196] ? lock_downgrade+0x900/0x900 [ 380.891574] (UMEH) [ 380.893799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.897839] 191*16kB [ 380.900168] ? trace_hardirqs_on+0xbd/0x310 [ 380.904370] (UMEH) [ 380.906599] ? kasan_check_read+0x11/0x20 [ 380.911669] 81*32kB [ 380.914060] ? __run_timers+0x7da/0xc70 [ 380.918351] (UME) [ 380.920570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.924687] 21*64kB [ 380.926992] ? kasan_check_write+0x14/0x20 [ 380.930940] (UMH) [ 380.933075] ? do_raw_spin_lock+0xc1/0x200 [ 380.938490] 3*128kB [ 380.940795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.944997] (UH) [ 380.947133] __run_timers+0x7e5/0xc70 [ 380.951332] 0*256kB [ 380.953644] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.957843] 0*512kB [ 380.959892] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.963658] 0*1024kB [ 380.965963] ? timerqueue_add+0x207/0x2b0 [ 380.971292] 0*2048kB [ 380.973601] ? enqueue_hrtimer+0x1a5/0x560 [ 380.978596] 0*4096kB [ 380.980990] ? lock_release+0x970/0x970 [ 380.985107] = 13588kB [ 380.987500] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.991709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.994094] ? kasan_check_write+0x14/0x20 [ 380.998042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.000431] ? pvclock_read_flags+0x160/0x160 [ 381.005593] 348 total pagecache pages [ 381.014406] ? lock_downgrade+0x900/0x900 [ 381.018606] 0 pages in swap cache [ 381.027165] ? trace_hardirqs_on+0xbd/0x310 [ 381.031627] Swap cache stats: add 0, delete 0, find 0/0 [ 381.035409] ? kvm_sched_clock_read+0x9/0x20 [ 381.039541] Free swap = 0kB [ 381.042974] ? irq_exit+0x17f/0x1c0 [ 381.047261] Total swap = 0kB [ 381.052606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.056980] 1965979 pages RAM [ 381.059983] ? check_preemption_disabled+0x48/0x200 [ 381.063601] 0 pages HighMem/MovableOnly [ 381.066604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.072105] 342307 pages reserved [ 381.075193] run_timer_softirq+0x52/0xb0 [ 381.080172] 0 pages cma reserved [ 381.084127] ? __this_cpu_preempt_check+0x1c/0x1f [ 381.089751] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.093065] __do_softirq+0x30b/0xad8 [ 381.097095] syz-executor3 cpuset= [ 381.100446] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.105254] syz3 [ 381.115720] ? pvclock_read_flags+0x160/0x160 [ 381.119488] mems_allowed=0 [ 381.122923] ? lapic_next_event+0x5a/0x90 [ 381.141455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.147000] ? clockevents_program_event+0x140/0x370 [ 381.152093] ? kvm_clock_read+0x18/0x30 [ 381.156066] ? kvm_sched_clock_read+0x9/0x20 [ 381.160463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.165990] ? check_preemption_disabled+0x48/0x200 [ 381.170996] irq_exit+0x17f/0x1c0 [ 381.174438] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.179265] ? smp_reschedule_interrupt+0x109/0x650 [ 381.184268] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.190144] ? interrupt_entry+0xb5/0xf0 [ 381.194192] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.199194] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.204198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.209030] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.214034] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.219035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.224569] ? check_preemption_disabled+0x48/0x200 [ 381.229582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.235109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.239944] apic_timer_interrupt+0xf/0x20 [ 381.244165] [ 381.246393] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 381.251609] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 381.270498] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.278194] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 381.285446] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 381.292698] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 381.299954] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 381.307209] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 381.314474] ? trace_hardirqs_on+0x9a/0x310 [ 381.318785] ? trace_hardirqs_on+0xb4/0x310 [ 381.323102] retint_kernel+0x1b/0x2d [ 381.326803] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 381.332071] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 381.351043] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 381.358738] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 381.365991] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 381.373243] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 381.380498] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 381.387752] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 381.395021] ? trace_hardirqs_on+0x9a/0x310 [ 381.399329] ? arch_local_irq_restore+0x45/0x52 [ 381.403989] dump_stack+0x26a/0x2b4 [ 381.407607] ? dump_stack_print_info.cold.2+0x52/0x52 [ 381.412787] ? mark_held_locks+0x130/0x130 [ 381.417012] ? mark_held_locks+0x130/0x130 [ 381.421236] dump_header+0x27b/0xf72 [ 381.424939] ? rcu_read_unlock+0x16/0x60 [ 381.428990] ? pagefault_out_of_memory+0x197/0x197 [ 381.433910] ? mark_held_locks+0x130/0x130 [ 381.438134] ? percpu_ref_put_many+0x13e/0x260 [ 381.442720] ? mem_cgroup_charge_statistics+0x780/0x780 [ 381.448078] ? mem_cgroup_iter+0x1f7/0x1160 [ 381.452386] ? mark_held_locks+0x130/0x130 [ 381.456610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.462133] ? task_will_free_mem+0x239/0xb30 [ 381.466626] ? ___ratelimit+0x36f/0x655 [ 381.470590] ? lock_downgrade+0x900/0x900 [ 381.474734] ? trace_hardirqs_on+0xbd/0x310 [ 381.479042] ? kasan_check_read+0x11/0x20 [ 381.483177] ? ___ratelimit+0x36f/0x655 [ 381.487137] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.492576] ? trace_hardirqs_on+0x310/0x310 [ 381.496971] ? lock_downgrade+0x900/0x900 [ 381.501109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.506197] ? ___ratelimit+0xaa/0x655 [ 381.510075] ? idr_get_free+0xec0/0xec0 [ 381.514035] ? kasan_check_write+0x14/0x20 [ 381.518259] ? do_raw_spin_lock+0xc1/0x200 [ 381.522488] oom_kill_process.cold.27+0x10/0x903 [ 381.527232] ? lock_downgrade+0x900/0x900 [ 381.531376] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.537167] ? oom_evaluate_task+0x540/0x540 [ 381.541569] ? oom_unkillable_task+0x383/0x580 [ 381.546492] ? out_of_memory+0x974/0x1430 [ 381.551322] ? lock_downgrade+0x900/0x900 [ 381.555463] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.561249] ? __cpuset_node_allowed+0x19b/0x660 [ 381.566000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.572134] ? oom_evaluate_task+0x302/0x540 [ 381.576539] out_of_memory+0xa84/0x1430 [ 381.580505] ? oom_killer_disable+0x3a0/0x3a0 [ 381.584995] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 381.589916] ? __mutex_add_waiter+0x2a0/0x2a0 [ 381.594404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.599409] ? find_next_bit+0x104/0x130 [ 381.603460] __alloc_pages_slowpath+0x2318/0x2d80 [ 381.608309] ? warn_alloc+0x120/0x120 [ 381.612649] ? __radix_tree_lookup+0x4c0/0x4c0 [ 381.618272] ? find_get_entry+0x2f2/0xc40 [ 381.622849] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 381.627767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.633299] ? should_fail+0x22d/0xd01 [ 381.637350] ? ___might_sleep+0x1ed/0x300 [ 381.641486] ? lock_release+0x970/0x970 [ 381.645451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.650555] ? debug_smp_processor_id+0x1c/0x20 [ 381.655222] ? __might_sleep+0x95/0x190 [ 381.659191] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 381.664028] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.669385] ? lock_downgrade+0x900/0x900 [ 381.673702] ? ___might_sleep+0x1ed/0x300 [ 381.677840] ? lock_release+0x970/0x970 [ 381.681812] ? arch_local_save_flags+0x40/0x40 [ 381.686381] ? finish_task_switch+0x1f5/0x900 [ 381.690869] ? __might_sleep+0x95/0x190 [ 381.694833] __alloc_pages_nodemask+0xa80/0xde0 [ 381.699493] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.704510] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.710305] ? mark_held_locks+0x130/0x130 [ 381.714529] ? kasan_check_write+0x14/0x20 [ 381.718755] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 381.723422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.728950] ? __do_page_cache_readahead+0x7ce/0x980 [ 381.734051] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 381.739578] alloc_pages_current+0x10c/0x210 [ 381.743973] ? lock_downgrade+0x900/0x900 [ 381.748111] __page_cache_alloc+0x38f/0x5b0 [ 381.752421] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.758206] ? ext4_filemap_fault+0x82/0xad [ 381.762522] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 381.767182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.772714] ? check_preemption_disabled+0x48/0x200 [ 381.777722] filemap_fault+0x1594/0x25f0 [ 381.782022] ? __lock_page_or_retry+0xa00/0xa00 [ 381.786682] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.792467] ? lock_downgrade+0x900/0x900 [ 381.796614] ? trace_hardirqs_on+0xbd/0x310 [ 381.800925] ? kasan_check_read+0x11/0x20 [ 381.805063] ? __free_object+0x173/0x340 [ 381.809117] ? filemap_map_pages+0xdea/0x1980 [ 381.813608] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.818704] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 381.823971] ? debug_object_free+0x325/0x690 [ 381.829237] ? find_get_pages_range_tag+0x1320/0x1320 [ 381.834418] ? do_raw_spin_lock+0xc1/0x200 [ 381.838647] ? kasan_check_read+0x11/0x20 [ 381.842785] ? debug_object_destroy+0x2b0/0x2b0 [ 381.847443] ? kasan_check_write+0x14/0x20 [ 381.852830] ? lock_acquire+0x1ed/0x520 [ 381.858200] ? ext4_filemap_fault+0x7a/0xad [ 381.862521] ? lock_release+0x970/0x970 [ 381.866484] ? arch_local_save_flags+0x40/0x40 [ 381.871497] ? futex_wait_setup+0x3e0/0x3e0 [ 381.875998] ? down_read+0xb0/0x1d0 [ 381.879611] ? ext4_filemap_fault+0x7a/0xad [ 381.884968] ? __down_interruptible+0x700/0x700 [ 381.889981] ext4_filemap_fault+0x82/0xad [ 381.894117] __do_fault+0x100/0x6b0 [ 381.897733] ? print_bad_pte+0x6c0/0x6c0 [ 381.901788] ? do_futex+0x249/0x26d0 [ 381.905490] ? pmd_val+0x88/0x100 [ 381.908934] ? add_mm_counter_fast+0xd0/0xd0 [ 381.913349] ? pmd_val+0x88/0x100 [ 381.916790] ? add_mm_counter_fast+0xd0/0xd0 [ 381.921189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.926718] __handle_mm_fault+0x3709/0x53e0 [ 381.931114] ? perf_trace_lock+0x14d/0x7a0 [ 381.935346] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 381.940180] ? ksys_dup3+0x680/0x680 [ 381.943880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.949405] ? should_fail+0x22d/0xd01 [ 381.953293] ? lock_acquire+0x1ed/0x520 [ 381.957258] ? handle_mm_fault+0x42a/0xc70 [ 381.961504] ? lock_downgrade+0x900/0x900 [ 381.965643] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.971427] ? lock_downgrade+0x900/0x900 [ 381.975562] ? __do_page_fault+0x67d/0xed0 [ 381.979791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.985230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.990755] ? check_preemption_disabled+0x48/0x200 [ 381.995767] handle_mm_fault+0x54f/0xc70 [ 381.999820] ? __handle_mm_fault+0x53e0/0x53e0 [ 382.004392] ? find_vma+0x34/0x190 [ 382.007924] __do_page_fault+0x67d/0xed0 [ 382.011992] ? mm_fault_error+0x380/0x380 [ 382.016131] ? trace_hardirqs_off+0xb8/0x310 [ 382.020536] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.025888] ? trace_hardirqs_on+0x310/0x310 [ 382.030289] do_page_fault+0xf2/0x7e0 [ 382.034079] ? vmalloc_sync_all+0x30/0x30 [ 382.038214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.043741] ? error_entry+0x70/0xd0 [ 382.047451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.052454] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.057373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.062289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.067123] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.072126] ? trace_hardirqs_off+0x310/0x310 [ 382.076616] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.081618] ? page_fault+0x8/0x30 [ 382.085257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.090088] ? page_fault+0x8/0x30 [ 382.093615] page_fault+0x1e/0x30 [ 382.097058] RIP: 0033:0x40f9c0 [ 382.100243] Code: Bad RIP value. [ 382.103592] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 382.108943] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 382.116202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 382.123462] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 382.130985] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 382.138244] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 382.145524] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 382.145567] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.152789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.152793] Call Trace: [ 382.152798] [ 382.152813] dump_stack+0x1c4/0x2b4 [ 382.152830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.159342] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.168637] warn_alloc.cold.119+0xb7/0x1bd [ 382.171188] syz-fuzzer cpuset= [ 382.173326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.176918] / [ 382.182098] ? lock_downgrade+0x900/0x900 [ 382.192289] mems_allowed=0 [ 382.196592] ? trace_hardirqs_off+0xb8/0x310 [ 382.219019] ? trace_hardirqs_off+0xb8/0x310 [ 382.223421] __alloc_pages_slowpath+0x2667/0x2d80 [ 382.228264] ? debug_object_activate+0x402/0x600 [ 382.233015] ? warn_alloc+0x120/0x120 [ 382.236806] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.241809] ? warn_alloc+0x120/0x120 [ 382.245603] ? get_stack_info+0x37/0x142 [ 382.249656] ? warn_alloc+0x120/0x120 [ 382.253534] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.258890] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 382.263640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.269166] ? should_fail+0x22d/0xd01 [ 382.273043] ? is_bpf_text_address+0xac/0x170 [ 382.277528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.282618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.288150] ? should_fail+0x22d/0xd01 [ 382.292031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.297124] ? should_fail+0x22d/0xd01 [ 382.300997] ? kasan_check_read+0x11/0x20 [ 382.305137] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.310418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.315512] ? unwind_dump+0x190/0x190 [ 382.319393] ? mark_held_locks+0x130/0x130 [ 382.323618] ? mark_held_locks+0x130/0x130 [ 382.327842] ? update_stack_state+0x1a5/0x690 [ 382.332331] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.337340] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 382.342091] ? is_bpf_text_address+0xac/0x170 [ 382.346577] ? lock_downgrade+0x900/0x900 [ 382.350719] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 382.356680] ? kasan_check_read+0x11/0x20 [ 382.360823] __alloc_pages_nodemask+0xa80/0xde0 [ 382.365486] ? should_fail+0x22d/0xd01 [ 382.369378] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.374384] ? is_bpf_text_address+0xd3/0x170 [ 382.378887] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.383545] ? lock_downgrade+0x900/0x900 [ 382.387685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.393479] cache_grow_begin+0x91/0x8c0 [ 382.399177] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.405054] fallback_alloc+0x203/0x2e0 [ 382.409284] ____cache_alloc_node+0x1c7/0x1e0 [ 382.414031] kmem_cache_alloc_node+0xe3/0x730 [ 382.419784] __alloc_skb+0x119/0x770 [ 382.423489] ? skb_scrub_packet+0x490/0x490 [ 382.427809] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 382.432385] ? queue_work_on+0x12c/0x1e0 [ 382.436436] ? switchdev_port_obj_del+0xdc/0x450 [ 382.441191] ? switchdev_trans_item_enqueue+0x260/0x260 [ 382.446551] ? do_raw_spin_lock+0xc1/0x200 [ 382.450773] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.455782] __br_mdb_notify+0x4ff/0x15d0 [ 382.459929] ? __br_mdb_add+0x800/0x800 [ 382.463892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.469422] ? check_preemption_disabled+0x48/0x200 [ 382.474440] ? br_multicast_group_expired+0x96/0x610 [ 382.479542] ? lock_downgrade+0x900/0x900 [ 382.483681] br_mdb_notify+0x310/0x410 [ 382.487556] ? br_mdb_dump+0x2530/0x2530 [ 382.491608] ? kasan_check_write+0x14/0x20 [ 382.495835] ? do_raw_spin_lock+0xc1/0x200 [ 382.500062] br_multicast_group_expired+0x1bc/0x610 [ 382.505068] ? br_mdb_free+0x80/0x80 [ 382.508781] call_timer_fn+0x272/0x920 [ 382.512658] ? br_mdb_free+0x80/0x80 [ 382.516361] ? process_timeout+0x40/0x40 [ 382.520501] ? trace_hardirqs_off+0xb8/0x310 [ 382.524895] ? kasan_check_read+0x11/0x20 [ 382.529034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.533433] ? trace_hardirqs_on+0x310/0x310 [ 382.537842] ? __run_timers+0x7da/0xc70 [ 382.541807] ? lock_downgrade+0x900/0x900 [ 382.545946] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.551041] ? trace_hardirqs_on+0xbd/0x310 [ 382.555348] ? kasan_check_read+0x11/0x20 [ 382.559487] ? __run_timers+0x7da/0xc70 [ 382.563461] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.568903] ? kasan_check_write+0x14/0x20 [ 382.573131] ? do_raw_spin_lock+0xc1/0x200 [ 382.577357] ? br_mdb_free+0x80/0x80 [ 382.581060] __run_timers+0x7e5/0xc70 [ 382.584861] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.590219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.595317] ? timerqueue_add+0x207/0x2b0 [ 382.599463] ? enqueue_hrtimer+0x1a5/0x560 [ 382.603686] ? lock_release+0x970/0x970 [ 382.607652] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.612831] ? kasan_check_write+0x14/0x20 [ 382.617062] ? pvclock_read_flags+0x160/0x160 [ 382.622159] ? lock_downgrade+0x900/0x900 [ 382.626304] ? trace_hardirqs_on+0xbd/0x310 [ 382.630614] ? kvm_sched_clock_read+0x9/0x20 [ 382.635010] ? irq_exit+0x17f/0x1c0 [ 382.638628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.644155] ? check_preemption_disabled+0x48/0x200 [ 382.649156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.654685] run_timer_softirq+0x52/0xb0 [ 382.658740] ? __this_cpu_preempt_check+0x1c/0x1f [ 382.663574] __do_softirq+0x30b/0xad8 [ 382.667372] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 382.672467] ? pvclock_read_flags+0x160/0x160 [ 382.676948] ? lapic_next_event+0x5a/0x90 [ 382.681086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.686615] ? clockevents_program_event+0x140/0x370 [ 382.691709] ? kvm_clock_read+0x18/0x30 [ 382.695673] ? kvm_sched_clock_read+0x9/0x20 [ 382.700074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.705601] ? check_preemption_disabled+0x48/0x200 [ 382.710618] irq_exit+0x17f/0x1c0 [ 382.714063] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.718898] ? smp_reschedule_interrupt+0x109/0x650 [ 382.723904] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.729777] ? interrupt_entry+0xb5/0xf0 [ 382.734001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.739003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.744271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.750928] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.755936] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.760948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.766740] ? check_preemption_disabled+0x48/0x200 [ 382.771744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.777369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.782209] apic_timer_interrupt+0xf/0x20 [ 382.786434] [ 382.788662] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.793589] 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 [ 382.812484] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.820187] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 382.827446] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 382.834707] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 382.841962] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 382.849222] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 382.856499] ? trace_hardirqs_on+0xb4/0x310 [ 382.860819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.866349] skb_clone+0x1bb/0x500 [ 382.869877] ? skb_split+0x11e0/0x11e0 [ 382.873758] ? check_preemption_disabled+0x48/0x200 [ 382.878770] ? __this_cpu_preempt_check+0x1c/0x1f [ 382.883605] ? __bpf_redirect+0x54b/0xb20 [ 382.887746] ? __switch_to_asm+0x34/0x70 [ 382.891801] bpf_clone_redirect+0xb9/0x490 [ 382.896032] bpf_prog_466abe619656067b+0x436/0x1000 [ 382.901042] ? __sched_text_start+0x8/0x8 [ 382.905196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.909941] ? retint_kernel+0x2d/0x2d [ 382.913827] ? lock_acquire+0x1ed/0x520 [ 382.917874] ? bpf_test_run+0x32e/0x5a0 [ 382.921840] ? lock_downgrade+0x900/0x900 [ 382.925979] ? lock_release+0x970/0x970 [ 382.929941] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 382.935733] ? preempt_schedule_common+0x1f/0xd0 [ 382.940479] ? preempt_schedule+0x4d/0x60 [ 382.944616] ? ___preempt_schedule+0x16/0x18 [ 382.949025] ? bpf_test_run+0x1c0/0x5a0 [ 382.952996] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.957399] ? bpf_prog_test_run_skb+0x295/0xb40 [ 382.962153] ? bpf_prog_test_run_skb+0x634/0xb40 [ 382.966904] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.971736] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.977956] ? fput+0x130/0x1a0 [ 382.982092] ? __bpf_prog_get+0x9b/0x290 [ 382.986317] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.991149] ? bpf_prog_test_run+0x130/0x1a0 [ 382.995551] ? __x64_sys_bpf+0x3d8/0x510 [ 382.999601] ? bpf_prog_get+0x20/0x20 [ 383.003408] ? do_syscall_64+0x1b9/0x820 [ 383.007459] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.012814] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.017732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.022564] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.027570] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.032574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.037580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.042422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.047783] warn_alloc_show_mem: 1 callbacks suppressed [ 383.047792] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 383.047794] Mem-Info: [ 383.047821] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 383.047821] active_file:98 inactive_file:120 isolated_file:0 [ 383.047821] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.047821] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 383.047821] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 383.047821] free:13602 free_pcp:142 free_cma:0 [ 383.053151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.060074] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.062457] Call Trace: [ 383.095570] Node 0 [ 383.104902] [ 383.132571] 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 [ 383.135126] dump_stack+0x1c4/0x2b4 [ 383.137327] lowmem_reserve[]: [ 383.139466] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.165017] 0 [ 383.168633] warn_alloc.cold.119+0xb7/0x1bd [ 383.171701] 2819 [ 383.176887] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.178662] 6323 [ 383.182967] ? lock_downgrade+0x900/0x900 [ 383.184998] 6323 [ 383.189821] ? trace_hardirqs_off+0xb8/0x310 [ 383.195987] ? trace_hardirqs_off+0xb8/0x310 [ 383.198021] Node 0 [ 383.202418] __alloc_pages_slowpath+0x2667/0x2d80 [ 383.206814] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 383.209025] ? warn_alloc+0x120/0x120 [ 383.213823] lowmem_reserve[]: [ 383.240346] ? trace_hardirqs_on+0x310/0x310 [ 383.244113] 0 [ 383.247200] ? warn_alloc+0x120/0x120 [ 383.251574] 0 [ 383.253359] ? warn_alloc+0x120/0x120 [ 383.257126] 3503 [ 383.258914] ? ktime_get+0x2e1/0x440 [ 383.262681] 3503 [ 383.264728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.270455] ? check_preemption_disabled+0x48/0x200 [ 383.275958] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 383.280978] ? kasan_check_read+0x11/0x20 [ 383.280994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.314712] lowmem_reserve[]: [ 383.318847] ? should_fail+0x22d/0xd01 [ 383.324349] 0 [ 383.327441] ? rcu_bh_qs+0xc0/0xc0 [ 383.331293] 0 [ 383.333078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.336582] 0 [ 383.338369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.343444] 0 [ 383.345230] ? should_fail+0x22d/0xd01 [ 383.352530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.356392] Node 0 [ 383.361578] ? should_fail+0x22d/0xd01 [ 383.361585] DMA: [ 383.363806] ? rcu_idle_enter+0x4b0/0x4b0 [ 383.367660] 1*4kB [ 383.369707] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.373837] (U) [ 383.375970] ? mark_held_locks+0x130/0x130 [ 383.381037] 0*8kB [ 383.382995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.387199] 0*16kB [ 383.389333] ? mark_held_locks+0x130/0x130 [ 383.394855] 1*32kB [ 383.397072] ? rcu_irq_exit+0xce/0x100 [ 383.401274] (U) [ 383.403496] ? irq_exit+0xbd/0x1c0 [ 383.407343] 2*64kB (U) [ 383.409315] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.412820] 1*128kB [ 383.415405] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.420389] (U) [ 383.422698] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.427071] 1*256kB [ 383.429034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.435771] (U) [ 383.438077] ? ret_from_intr+0xb/0x1e [ 383.443585] 0*512kB [ 383.445542] ? retint_kernel+0x2d/0x2d [ 383.449422] 1*1024kB [ 383.451728] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.455578] (U) [ 383.457972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.462879] 1*2048kB [ 383.464846] ? trace_hardirqs_off+0x310/0x310 [ 383.469567] (M) [ 383.471959] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.476425] 3*4096kB [ 383.478748] __alloc_pages_nodemask+0xa80/0xde0 [ 383.484508] (M) [ 383.486901] ? should_fail+0x22d/0xd01 [ 383.491534] = 15908kB [ 383.493489] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.497339] Node 0 [ 383.499742] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.504719] DMA32: [ 383.506936] ? lock_downgrade+0x900/0x900 [ 383.511574] 5*4kB [ 383.513793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.517905] (UM) [ 383.520037] cache_grow_begin+0x91/0x8c0 [ 383.525541] 0*8kB [ 383.527583] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.531609] 5*16kB [ 383.533745] fallback_alloc+0x203/0x2e0 [ 383.538126] (UMH) [ 383.540349] ____cache_alloc_node+0x1c7/0x1e0 [ 383.544295] 5*32kB [ 383.546429] kmem_cache_alloc_node+0xe3/0x730 [ 383.550892] (UMH) [ 383.553112] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.557675] 7*64kB [ 383.559808] __alloc_skb+0x119/0x770 [ 383.564010] (UM) [ 383.566229] ? skb_scrub_packet+0x490/0x490 [ 383.569913] 4*128kB [ 383.571958] ? lock_downgrade+0x900/0x900 [ 383.576242] (UM) [ 383.578552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.582664] 5*256kB [ 383.584707] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.590206] (UMH) [ 383.592512] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.597929] 4*512kB [ 383.600072] ? addrconf_rs_timer+0x690/0x690 [ 383.605487] (UM) [ 383.607796] ndisc_alloc_skb+0x144/0x340 [ 383.612709] 4*1024kB (UMH) [ 383.614776] ndisc_send_rs+0x331/0x6e0 [ 383.618797] 4*2048kB [ 383.621715] addrconf_rs_timer+0x314/0x690 [ 383.625569] (UM) [ 383.627967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.632688] 2*4096kB (M) [ 383.635267] call_timer_fn+0x272/0x920 [ 383.640077] = 25028kB [ 383.642821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.646680] Node 0 [ 383.649075] ? process_timeout+0x40/0x40 [ 383.653275] Normal: [ 383.655498] ? trace_hardirqs_off+0xb8/0x310 [ 383.659529] 809*4kB [ 383.661836] ? kasan_check_read+0x11/0x20 [ 383.666209] (UMEH) [ 383.668517] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.672632] 372*8kB [ 383.674854] ? trace_hardirqs_on+0x310/0x310 [ 383.679229] (UMEH) [ 383.681540] ? __run_timers+0x7da/0xc70 [ 383.685925] 191*16kB [ 383.688144] ? lock_downgrade+0x900/0x900 [ 383.692081] (UMEH) [ 383.694477] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.698591] 81*32kB [ 383.700814] ? trace_hardirqs_on+0xbd/0x310 [ 383.705881] (UME) [ 383.708186] ? kasan_check_read+0x11/0x20 [ 383.712475] 21*64kB [ 383.714610] ? __run_timers+0x7da/0xc70 [ 383.718720] (UMH) [ 383.721043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.724987] 3*128kB [ 383.727120] ? kasan_check_write+0x14/0x20 [ 383.732959] (UH) 0*256kB [ 383.735277] ? do_raw_spin_lock+0xc1/0x200 [ 383.739489] 0*512kB [ 383.742230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.746431] 0*1024kB [ 383.748738] __run_timers+0x7e5/0xc70 [ 383.752940] 0*2048kB [ 383.755345] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.759118] 0*4096kB [ 383.761512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.766842] = 13588kB [ 383.769238] ? timerqueue_add+0x207/0x2b0 [ 383.774225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.776615] ? enqueue_hrtimer+0x1a5/0x560 [ 383.781243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.790681] ? lock_release+0x970/0x970 [ 383.794884] 348 total pagecache pages [ 383.803441] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.807378] 0 pages in swap cache [ 383.811162] ? kasan_check_write+0x14/0x20 [ 383.816320] Swap cache stats: add 0, delete 0, find 0/0 [ 383.819760] ? pvclock_read_flags+0x160/0x160 [ 383.823960] Free swap = 0kB [ 383.829324] ? lock_downgrade+0x900/0x900 [ 383.833794] Total swap = 0kB [ 383.836800] ? trace_hardirqs_on+0xbd/0x310 [ 383.840912] 1965979 pages RAM [ 383.843911] ? kvm_sched_clock_read+0x9/0x20 [ 383.848200] 0 pages HighMem/MovableOnly [ 383.851286] ? irq_exit+0x17f/0x1c0 [ 383.855660] 342307 pages reserved [ 383.859622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.863737] 0 pages cma reserved [ 383.867182] ? check_preemption_disabled+0x48/0x200 [ 383.872916] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.876143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.881127] syz-executor3 cpuset= [ 383.891602] run_timer_softirq+0x52/0xb0 [ 383.897106] syz3 [ 383.900544] ? __this_cpu_preempt_check+0x1c/0x1f [ 383.904572] mems_allowed=0 [ 383.906537] __do_softirq+0x30b/0xad8 [ 383.918046] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.923141] ? pvclock_read_flags+0x160/0x160 [ 383.927629] ? lapic_next_event+0x5a/0x90 [ 383.931767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.937296] ? clockevents_program_event+0x140/0x370 [ 383.942399] ? kvm_clock_read+0x18/0x30 [ 383.946365] ? kvm_sched_clock_read+0x9/0x20 [ 383.950765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.956291] ? check_preemption_disabled+0x48/0x200 [ 383.961315] irq_exit+0x17f/0x1c0 [ 383.964768] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.969606] ? smp_reschedule_interrupt+0x109/0x650 [ 383.974616] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.980488] ? interrupt_entry+0xb5/0xf0 [ 383.984537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.989543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.994547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.999385] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.004389] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.009394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.014919] ? check_preemption_disabled+0x48/0x200 [ 384.019925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.025456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.030290] apic_timer_interrupt+0xf/0x20 [ 384.034512] [ 384.036743] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 384.041925] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 384.060811] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 384.068508] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 384.075764] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 384.083022] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 384.090282] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 384.097543] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 384.104812] ? trace_hardirqs_on+0x9a/0x310 [ 384.109120] ? trace_hardirqs_on+0xb4/0x310 [ 384.113699] retint_kernel+0x1b/0x2d [ 384.117407] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 384.122934] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 384.141824] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 384.149520] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 384.156779] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 384.164038] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 384.171307] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 384.179262] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 384.186529] ? trace_hardirqs_on+0x9a/0x310 [ 384.191110] ? arch_local_irq_restore+0x45/0x52 [ 384.195771] dump_stack+0x26a/0x2b4 [ 384.199388] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.204573] ? mark_held_locks+0x130/0x130 [ 384.208794] ? mark_held_locks+0x130/0x130 [ 384.213021] dump_header+0x27b/0xf72 [ 384.216729] ? rcu_read_unlock+0x16/0x60 [ 384.220782] ? pagefault_out_of_memory+0x197/0x197 [ 384.225701] ? mark_held_locks+0x130/0x130 [ 384.229927] ? percpu_ref_put_many+0x13e/0x260 [ 384.234502] ? mem_cgroup_charge_statistics+0x780/0x780 [ 384.239864] ? mem_cgroup_iter+0x1f7/0x1160 [ 384.244177] ? mark_held_locks+0x130/0x130 [ 384.248434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.253959] ? task_will_free_mem+0x239/0xb30 [ 384.258449] ? ___ratelimit+0x36f/0x655 [ 384.262414] ? lock_downgrade+0x900/0x900 [ 384.266558] ? trace_hardirqs_on+0xbd/0x310 [ 384.270865] ? kasan_check_read+0x11/0x20 [ 384.275003] ? ___ratelimit+0x36f/0x655 [ 384.278967] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.284407] ? trace_hardirqs_on+0x310/0x310 [ 384.288804] ? lock_downgrade+0x900/0x900 [ 384.292946] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.298040] ? ___ratelimit+0xaa/0x655 [ 384.301922] ? idr_get_free+0xec0/0xec0 [ 384.305884] ? kasan_check_write+0x14/0x20 [ 384.310109] ? do_raw_spin_lock+0xc1/0x200 [ 384.314340] oom_kill_process.cold.27+0x10/0x903 [ 384.319087] ? lock_downgrade+0x900/0x900 [ 384.323228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.329018] ? oom_evaluate_task+0x540/0x540 [ 384.333419] ? oom_unkillable_task+0x383/0x580 [ 384.337991] ? out_of_memory+0x974/0x1430 [ 384.342126] ? lock_downgrade+0x900/0x900 [ 384.346268] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.352060] ? __cpuset_node_allowed+0x19b/0x660 [ 384.356810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.362338] ? oom_evaluate_task+0x302/0x540 [ 384.366737] out_of_memory+0xa84/0x1430 [ 384.370704] ? oom_killer_disable+0x3a0/0x3a0 [ 384.375202] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 384.380122] ? __mutex_add_waiter+0x2a0/0x2a0 [ 384.384606] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.389611] ? find_next_bit+0x104/0x130 [ 384.393664] __alloc_pages_slowpath+0x2318/0x2d80 [ 384.398512] ? warn_alloc+0x120/0x120 [ 384.402312] ? __radix_tree_lookup+0x4c0/0x4c0 [ 384.406890] ? find_get_entry+0x2f2/0xc40 [ 384.411037] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 384.415960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.421489] ? should_fail+0x22d/0xd01 [ 384.425366] ? ___might_sleep+0x1ed/0x300 [ 384.429501] ? lock_release+0x970/0x970 [ 384.433471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.438563] ? debug_smp_processor_id+0x1c/0x20 [ 384.443226] ? __might_sleep+0x95/0x190 [ 384.447191] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 384.452025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.457035] ? lock_downgrade+0x900/0x900 [ 384.461173] ? ___might_sleep+0x1ed/0x300 [ 384.465307] ? lock_release+0x970/0x970 [ 384.469269] ? arch_local_save_flags+0x40/0x40 [ 384.473848] ? finish_task_switch+0x1f5/0x900 [ 384.478351] ? __might_sleep+0x95/0x190 [ 384.482317] __alloc_pages_nodemask+0xa80/0xde0 [ 384.486981] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.491991] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.497776] ? mark_held_locks+0x130/0x130 [ 384.502000] ? kasan_check_write+0x14/0x20 [ 384.506223] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 384.510891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.516419] ? __do_page_cache_readahead+0x7ce/0x980 [ 384.521517] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 384.527047] alloc_pages_current+0x10c/0x210 [ 384.531444] ? lock_downgrade+0x900/0x900 [ 384.535582] __page_cache_alloc+0x38f/0x5b0 [ 384.539894] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.545683] ? ext4_filemap_fault+0x82/0xad [ 384.549992] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 384.554658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.560194] ? check_preemption_disabled+0x48/0x200 [ 384.565211] filemap_fault+0x1594/0x25f0 [ 384.569545] ? __lock_page_or_retry+0xa00/0xa00 [ 384.574206] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.579990] ? lock_downgrade+0x900/0x900 [ 384.584241] ? trace_hardirqs_on+0xbd/0x310 [ 384.588556] ? kasan_check_read+0x11/0x20 [ 384.592693] ? __free_object+0x173/0x340 [ 384.596749] ? filemap_map_pages+0xdea/0x1980 [ 384.601239] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.606341] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 384.611605] ? debug_object_free+0x325/0x690 [ 384.616006] ? find_get_pages_range_tag+0x1320/0x1320 [ 384.621192] ? do_raw_spin_lock+0xc1/0x200 [ 384.625423] ? kasan_check_read+0x11/0x20 [ 384.629560] ? debug_object_destroy+0x2b0/0x2b0 [ 384.634220] ? kasan_check_write+0x14/0x20 [ 384.638447] ? lock_acquire+0x1ed/0x520 [ 384.642410] ? ext4_filemap_fault+0x7a/0xad [ 384.646728] ? lock_release+0x970/0x970 [ 384.650695] ? arch_local_save_flags+0x40/0x40 [ 384.655277] ? futex_wait_setup+0x3e0/0x3e0 [ 384.659595] ? down_read+0xb0/0x1d0 [ 384.663210] ? ext4_filemap_fault+0x7a/0xad [ 384.667524] ? __down_interruptible+0x700/0x700 [ 384.672189] ext4_filemap_fault+0x82/0xad [ 384.676326] __do_fault+0x100/0x6b0 [ 384.679944] ? print_bad_pte+0x6c0/0x6c0 [ 384.684009] ? do_futex+0x249/0x26d0 [ 384.687717] ? pmd_val+0x88/0x100 [ 384.691161] ? add_mm_counter_fast+0xd0/0xd0 [ 384.695558] ? pmd_val+0x88/0x100 [ 384.699002] ? add_mm_counter_fast+0xd0/0xd0 [ 384.703405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.708932] __handle_mm_fault+0x3709/0x53e0 [ 384.713328] ? perf_trace_lock+0x14d/0x7a0 [ 384.717555] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 384.722387] ? ksys_dup3+0x680/0x680 [ 384.726089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.731612] ? should_fail+0x22d/0xd01 [ 384.735503] ? lock_acquire+0x1ed/0x520 [ 384.739482] ? handle_mm_fault+0x42a/0xc70 [ 384.743710] ? lock_downgrade+0x900/0x900 [ 384.747851] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.753635] ? lock_downgrade+0x900/0x900 [ 384.757782] ? __do_page_fault+0x67d/0xed0 [ 384.762005] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.767457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.773416] ? check_preemption_disabled+0x48/0x200 [ 384.778427] handle_mm_fault+0x54f/0xc70 [ 384.783089] ? __handle_mm_fault+0x53e0/0x53e0 [ 384.788533] ? find_vma+0x34/0x190 [ 384.792063] __do_page_fault+0x67d/0xed0 [ 384.796118] ? mm_fault_error+0x380/0x380 [ 384.800261] ? trace_hardirqs_off+0xb8/0x310 [ 384.804657] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.810010] ? trace_hardirqs_on+0x310/0x310 [ 384.814413] do_page_fault+0xf2/0x7e0 [ 384.818207] ? vmalloc_sync_all+0x30/0x30 [ 384.822346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.827874] ? error_entry+0x70/0xd0 [ 384.831578] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.836581] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.841506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.846426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.851268] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.856275] ? trace_hardirqs_off+0x310/0x310 [ 384.860762] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.865765] ? page_fault+0x8/0x30 [ 384.869295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.874126] ? page_fault+0x8/0x30 [ 384.877656] page_fault+0x1e/0x30 [ 384.881094] RIP: 0033:0x40f9c0 [ 384.884280] Code: Bad RIP value. [ 384.887630] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 384.892985] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 384.900248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 384.907510] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 384.914769] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 384.922722] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 384.930000] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 384.930043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.937269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.943789] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.953066] Call Trace: [ 384.963265] syz-fuzzer cpuset= [ 384.965822] [ 384.965824] / mems_allowed=0 [ 384.969014] dump_stack+0x1c4/0x2b4 [ 384.977740] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.982931] warn_alloc.cold.119+0xb7/0x1bd [ 384.987249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.992086] ? lock_downgrade+0x900/0x900 [ 384.996233] ? trace_hardirqs_off+0xb8/0x310 [ 385.000636] ? trace_hardirqs_off+0xb8/0x310 [ 385.005037] __alloc_pages_slowpath+0x2667/0x2d80 [ 385.010232] ? debug_object_activate+0x402/0x600 [ 385.014980] ? warn_alloc+0x120/0x120 [ 385.018777] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.023784] ? warn_alloc+0x120/0x120 [ 385.027579] ? get_stack_info+0x37/0x142 [ 385.031630] ? warn_alloc+0x120/0x120 [ 385.035423] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.040431] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 385.045177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.050706] ? should_fail+0x22d/0xd01 [ 385.054587] ? is_bpf_text_address+0xac/0x170 [ 385.059071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.064160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.069687] ? should_fail+0x22d/0xd01 [ 385.073562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.078657] ? should_fail+0x22d/0xd01 [ 385.082535] ? kasan_check_read+0x11/0x20 [ 385.086673] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.091937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.097026] ? unwind_dump+0x190/0x190 [ 385.100903] ? mark_held_locks+0x130/0x130 [ 385.105128] ? mark_held_locks+0x130/0x130 [ 385.109363] ? update_stack_state+0x1a5/0x690 [ 385.113845] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.118852] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 385.123602] ? is_bpf_text_address+0xac/0x170 [ 385.128176] ? lock_downgrade+0x900/0x900 [ 385.132316] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 385.138101] ? kasan_check_read+0x11/0x20 [ 385.142506] __alloc_pages_nodemask+0xa80/0xde0 [ 385.147164] ? should_fail+0x22d/0xd01 [ 385.151042] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.156045] ? is_bpf_text_address+0xd3/0x170 [ 385.160540] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.165200] ? lock_downgrade+0x900/0x900 [ 385.169346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.174874] cache_grow_begin+0x91/0x8c0 [ 385.178928] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.183329] fallback_alloc+0x203/0x2e0 [ 385.187299] ____cache_alloc_node+0x1c7/0x1e0 [ 385.191806] kmem_cache_alloc_node+0xe3/0x730 [ 385.196301] __alloc_skb+0x119/0x770 [ 385.200004] ? skb_scrub_packet+0x490/0x490 [ 385.204314] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 385.208890] ? queue_work_on+0x12c/0x1e0 [ 385.212943] ? switchdev_port_obj_del+0xdc/0x450 [ 385.217695] ? switchdev_trans_item_enqueue+0x260/0x260 [ 385.223049] ? do_raw_spin_lock+0xc1/0x200 [ 385.227278] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.232290] __br_mdb_notify+0x4ff/0x15d0 [ 385.236433] ? __br_mdb_add+0x800/0x800 [ 385.240398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.245927] ? check_preemption_disabled+0x48/0x200 [ 385.250941] ? br_multicast_group_expired+0x96/0x610 [ 385.256037] ? lock_downgrade+0x900/0x900 [ 385.260181] br_mdb_notify+0x310/0x410 [ 385.264068] ? br_mdb_dump+0x2530/0x2530 [ 385.268120] ? kasan_check_write+0x14/0x20 [ 385.272348] ? do_raw_spin_lock+0xc1/0x200 [ 385.276587] br_multicast_group_expired+0x1bc/0x610 [ 385.281593] ? br_mdb_free+0x80/0x80 [ 385.285302] call_timer_fn+0x272/0x920 [ 385.289176] ? br_mdb_free+0x80/0x80 [ 385.292886] ? process_timeout+0x40/0x40 [ 385.296937] ? trace_hardirqs_off+0xb8/0x310 [ 385.301335] ? kasan_check_read+0x11/0x20 [ 385.305479] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.309875] ? trace_hardirqs_on+0x310/0x310 [ 385.314275] ? __run_timers+0x7da/0xc70 [ 385.318238] ? lock_downgrade+0x900/0x900 [ 385.322378] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.327469] ? trace_hardirqs_on+0xbd/0x310 [ 385.331780] ? kasan_check_read+0x11/0x20 [ 385.335921] ? __run_timers+0x7da/0xc70 [ 385.339883] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.345322] ? kasan_check_write+0x14/0x20 [ 385.349550] ? do_raw_spin_lock+0xc1/0x200 [ 385.354036] ? br_mdb_free+0x80/0x80 [ 385.358345] __run_timers+0x7e5/0xc70 [ 385.362145] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.367500] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.372508] ? timerqueue_add+0x207/0x2b0 [ 385.376654] ? enqueue_hrtimer+0x1a5/0x560 [ 385.380967] ? lock_release+0x970/0x970 [ 385.384930] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.390113] ? kasan_check_write+0x14/0x20 [ 385.394342] ? pvclock_read_flags+0x160/0x160 [ 385.398824] ? lock_downgrade+0x900/0x900 [ 385.402969] ? trace_hardirqs_on+0xbd/0x310 [ 385.407282] ? kvm_sched_clock_read+0x9/0x20 [ 385.411686] ? irq_exit+0x17f/0x1c0 [ 385.415304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.420838] ? check_preemption_disabled+0x48/0x200 [ 385.425840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.431370] run_timer_softirq+0x52/0xb0 [ 385.435422] ? __this_cpu_preempt_check+0x1c/0x1f [ 385.440254] __do_softirq+0x30b/0xad8 [ 385.444053] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.449152] ? pvclock_read_flags+0x160/0x160 [ 385.453635] ? lapic_next_event+0x5a/0x90 [ 385.459680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.465381] ? clockevents_program_event+0x140/0x370 [ 385.470477] ? kvm_clock_read+0x18/0x30 [ 385.474443] ? kvm_sched_clock_read+0x9/0x20 [ 385.478842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.484370] ? check_preemption_disabled+0x48/0x200 [ 385.489394] irq_exit+0x17f/0x1c0 [ 385.492845] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.497675] ? smp_reschedule_interrupt+0x109/0x650 [ 385.502681] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.508554] ? interrupt_entry+0xb5/0xf0 [ 385.512605] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.517609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.522618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.527450] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.532453] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.537458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.542984] ? check_preemption_disabled+0x48/0x200 [ 385.547995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.553527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.558371] apic_timer_interrupt+0xf/0x20 [ 385.562591] [ 385.564821] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 385.569753] 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 [ 385.589353] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.597053] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 385.604313] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 385.611957] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 385.619217] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 385.626475] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 385.633753] ? trace_hardirqs_on+0xb4/0x310 [ 385.638073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.643608] skb_clone+0x1bb/0x500 [ 385.647139] ? skb_split+0x11e0/0x11e0 [ 385.651021] ? check_preemption_disabled+0x48/0x200 [ 385.656035] ? __this_cpu_preempt_check+0x1c/0x1f [ 385.660868] ? __bpf_redirect+0x54b/0xb20 [ 385.665006] ? __switch_to_asm+0x34/0x70 [ 385.669061] bpf_clone_redirect+0xb9/0x490 [ 385.673292] bpf_prog_466abe619656067b+0x436/0x1000 [ 385.678302] ? __sched_text_start+0x8/0x8 [ 385.682443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.687451] ? retint_kernel+0x2d/0x2d [ 385.691337] ? lock_acquire+0x1ed/0x520 [ 385.695299] ? bpf_test_run+0x32e/0x5a0 [ 385.699262] ? lock_downgrade+0x900/0x900 [ 385.703402] ? lock_release+0x970/0x970 [ 385.707719] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 385.713508] ? preempt_schedule_common+0x1f/0xd0 [ 385.718257] ? preempt_schedule+0x4d/0x60 [ 385.722392] ? ___preempt_schedule+0x16/0x18 [ 385.726791] ? bpf_test_run+0x1c0/0x5a0 [ 385.730757] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.735156] ? bpf_prog_test_run_skb+0x295/0xb40 [ 385.739907] ? bpf_prog_test_run_skb+0x634/0xb40 [ 385.744748] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 385.749580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.755102] ? fput+0x130/0x1a0 [ 385.758370] ? __bpf_prog_get+0x9b/0x290 [ 385.762420] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 385.767247] ? bpf_prog_test_run+0x130/0x1a0 [ 385.771740] ? __x64_sys_bpf+0x3d8/0x510 [ 385.775792] ? bpf_prog_get+0x20/0x20 [ 385.780123] ? do_syscall_64+0x1b9/0x820 [ 385.784183] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.789539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.794456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.799288] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.804297] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.809306] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.814317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.819163] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.824525] warn_alloc_show_mem: 1 callbacks suppressed [ 385.824535] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 385.824537] Mem-Info: [ 385.824565] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 385.824565] active_file:98 inactive_file:120 isolated_file:0 [ 385.824565] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.824565] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 385.824565] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 385.824565] free:13602 free_pcp:142 free_cma:0 [ 385.829890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.829897] Call Trace: [ 385.836819] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.839204] [ 385.872583] Node 0 [ 385.881917] dump_stack+0x1c4/0x2b4 [ 385.881934] ? dump_stack_print_info.cold.2+0x52/0x52 [ 385.884510] 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 [ 385.912151] warn_alloc.cold.119+0xb7/0x1bd [ 385.914270] lowmem_reserve[]: [ 385.916489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.920082] 0 [ 385.925255] ? lock_downgrade+0x900/0x900 [ 385.955846] 2819 [ 385.960161] ? trace_hardirqs_off+0xb8/0x310 [ 385.963230] 6323 [ 385.968053] ? trace_hardirqs_off+0xb8/0x310 [ 385.969829] 6323 [ 385.973962] __alloc_pages_slowpath+0x2667/0x2d80 [ 385.980391] ? warn_alloc+0x120/0x120 [ 385.982413] Node 0 [ 385.986804] ? trace_hardirqs_on+0x310/0x310 [ 385.988866] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 385.993685] ? warn_alloc+0x120/0x120 [ 385.997454] lowmem_reserve[]: [ 385.999674] ? warn_alloc+0x120/0x120 [ 386.004052] 0 [ 386.030572] ? ktime_get+0x2e1/0x440 [ 386.034343] 0 [ 386.037436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.041199] 3503 [ 386.042990] ? check_preemption_disabled+0x48/0x200 [ 386.046669] 3503 [ 386.048456] ? kasan_check_read+0x11/0x20 [ 386.057675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.063963] Node 0 [ 386.066965] ? should_fail+0x22d/0xd01 [ 386.071458] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 386.076954] ? rcu_bh_qs+0xc0/0xc0 [ 386.079156] lowmem_reserve[]: [ 386.083027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.111626] 0 [ 386.115155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.118227] 0 [ 386.123313] ? should_fail+0x22d/0xd01 [ 386.125093] 0 [ 386.130624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.132404] 0 [ 386.136272] ? should_fail+0x22d/0xd01 [ 386.143134] ? rcu_idle_enter+0x4b0/0x4b0 [ 386.144903] Node 0 [ 386.148775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.152893] DMA: [ 386.155114] ? mark_held_locks+0x130/0x130 [ 386.160188] 1*4kB [ 386.162232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.166434] (U) [ 386.168566] ? mark_held_locks+0x130/0x130 [ 386.174070] 0*8kB [ 386.176030] ? rcu_irq_exit+0xce/0x100 [ 386.180233] 0*16kB [ 386.182368] ? irq_exit+0xbd/0x1c0 [ 386.186220] 1*32kB [ 386.188439] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.191947] (U) [ 386.194167] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.199147] 2*64kB [ 386.201108] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.205489] (U) [ 386.207709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.213562] 1*128kB [ 386.215520] ? ret_from_intr+0xb/0x1e [ 386.221024] (U) [ 386.223331] ? retint_kernel+0x2d/0x2d [ 386.227098] 1*256kB [ 386.229063] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.232915] (U) 0*512kB [ 386.235236] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.240137] 1*1024kB [ 386.242792] ? trace_hardirqs_off+0x310/0x310 [ 386.247512] (U) [ 386.249907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.254369] 1*2048kB (M) [ 386.256348] __alloc_pages_nodemask+0xa80/0xde0 [ 386.261413] 3*4096kB [ 386.264153] ? should_fail+0x22d/0xd01 [ 386.268785] (M) [ 386.271180] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.275036] = 15908kB [ 386.277011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.281993] Node 0 [ 386.284394] ? lock_downgrade+0x900/0x900 [ 386.289029] DMA32: [ 386.291253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.295370] 5*4kB [ 386.297593] cache_grow_begin+0x91/0x8c0 [ 386.303095] (UM) [ 386.305237] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.309263] 0*8kB [ 386.311313] fallback_alloc+0x203/0x2e0 [ 386.315688] 5*16kB [ 386.317822] ____cache_alloc_node+0x1c7/0x1e0 [ 386.321761] (UMH) [ 386.323982] kmem_cache_alloc_node+0xe3/0x730 [ 386.328445] 5*32kB [ 386.330584] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.335043] (UMH) [ 386.337267] __alloc_skb+0x119/0x770 [ 386.341467] 7*64kB [ 386.343600] ? skb_scrub_packet+0x490/0x490 [ 386.347282] (UM) [ 386.349502] ? lock_downgrade+0x900/0x900 [ 386.354659] 4*128kB [ 386.357750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.363002] (UM) [ 386.365313] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.370815] 5*256kB [ 386.372860] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.378283] (UMH) [ 386.380590] ? addrconf_rs_timer+0x690/0x690 [ 386.386011] 4*512kB [ 386.388147] ndisc_alloc_skb+0x144/0x340 [ 386.392520] (UM) [ 386.394826] ndisc_send_rs+0x331/0x6e0 [ 386.398853] 4*1024kB [ 386.400901] addrconf_rs_timer+0x314/0x690 [ 386.404754] (UMH) [ 386.407150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.411350] 4*2048kB [ 386.413490] call_timer_fn+0x272/0x920 [ 386.417686] (UM) [ 386.420085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.424199] 2*4096kB [ 386.426246] ? process_timeout+0x40/0x40 [ 386.430446] (M) [ 386.432840] ? trace_hardirqs_off+0xb8/0x310 [ 386.436869] = 25028kB [ 386.438830] ? kasan_check_read+0x11/0x20 [ 386.443206] Node 0 [ 386.445613] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.449736] Normal: [ 386.451955] ? trace_hardirqs_on+0x310/0x310 [ 386.456337] 809*4kB [ 386.458653] ? __run_timers+0x7da/0xc70 [ 386.463046] (UMEH) [ 386.465359] ? lock_downgrade+0x900/0x900 [ 386.469298] 372*8kB [ 386.471518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.475632] (UMEH) [ 386.477940] ? trace_hardirqs_on+0xbd/0x310 [ 386.483010] 191*16kB [ 386.485226] ? kasan_check_read+0x11/0x20 [ 386.489517] (UMEH) [ 386.491913] ? __run_timers+0x7da/0xc70 [ 386.496028] 81*32kB [ 386.498247] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.502192] (UME) [ 386.504495] ? kasan_check_write+0x14/0x20 [ 386.510261] 21*64kB [ 386.512393] ? do_raw_spin_lock+0xc1/0x200 [ 386.516592] (UMH) [ 386.518900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.523110] 3*128kB [ 386.525243] __run_timers+0x7e5/0xc70 [ 386.529442] (UH) [ 386.531753] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.535521] 0*256kB [ 386.537565] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.542895] 0*512kB [ 386.545222] ? timerqueue_add+0x207/0x2b0 [ 386.550202] 0*1024kB [ 386.552507] ? enqueue_hrtimer+0x1a5/0x560 [ 386.556623] 0*2048kB [ 386.559017] ? lock_release+0x970/0x970 [ 386.563478] 0*4096kB = 13588kB [ 386.565884] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.569854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.573025] ? kasan_check_write+0x14/0x20 [ 386.578188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.587003] ? pvclock_read_flags+0x160/0x160 [ 386.592410] 348 total pagecache pages [ 386.603441] ? lock_downgrade+0x900/0x900 [ 386.609729] 0 pages in swap cache [ 386.614734] ? trace_hardirqs_on+0xbd/0x310 [ 386.620589] Swap cache stats: add 0, delete 0, find 0/0 [ 386.624195] ? kvm_sched_clock_read+0x9/0x20 [ 386.628483] Free swap = 0kB [ 386.633829] ? irq_exit+0x17f/0x1c0 [ 386.638207] Total swap = 0kB [ 386.641221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.644816] 1965979 pages RAM [ 386.647832] ? check_preemption_disabled+0x48/0x200 [ 386.653336] 0 pages HighMem/MovableOnly [ 386.656428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.661414] 342307 pages reserved [ 386.665371] run_timer_softirq+0x52/0xb0 [ 386.670874] 0 pages cma reserved [ 386.674316] ? __this_cpu_preempt_check+0x1c/0x1f [ 386.678483] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.681709] __do_softirq+0x30b/0xad8 [ 386.686515] syz-executor3 cpuset= [ 386.696984] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.700751] syz3 [ 386.704188] ? pvclock_read_flags+0x160/0x160 [ 386.709259] mems_allowed=0 [ 386.711476] ? lapic_next_event+0x5a/0x90 [ 386.722987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.728600] ? clockevents_program_event+0x140/0x370 [ 386.733696] ? kvm_clock_read+0x18/0x30 [ 386.737663] ? kvm_sched_clock_read+0x9/0x20 [ 386.742062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.747595] ? check_preemption_disabled+0x48/0x200 [ 386.752604] irq_exit+0x17f/0x1c0 [ 386.756048] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.760885] ? smp_reschedule_interrupt+0x109/0x650 [ 386.765895] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.771768] ? interrupt_entry+0xb5/0xf0 [ 386.775819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.780827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.785833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.790667] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.795671] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.800675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.806202] ? check_preemption_disabled+0x48/0x200 [ 386.811210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.816741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.821576] apic_timer_interrupt+0xf/0x20 [ 386.825796] [ 386.828025] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 386.833293] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 386.852180] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.859909] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 386.867251] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 386.874511] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 386.881769] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 386.889032] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 386.896304] ? trace_hardirqs_on+0x9a/0x310 [ 386.900623] ? trace_hardirqs_on+0xb4/0x310 [ 386.904944] retint_kernel+0x1b/0x2d [ 386.908655] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 386.914007] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 386.933159] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 386.940857] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 386.948116] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 386.955373] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 386.962632] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 386.970002] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 386.977274] ? trace_hardirqs_on+0x9a/0x310 [ 386.981586] ? arch_local_irq_restore+0x45/0x52 [ 386.986248] dump_stack+0x26a/0x2b4 [ 386.989870] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.995061] ? mark_held_locks+0x130/0x130 [ 386.999284] ? mark_held_locks+0x130/0x130 [ 387.003516] dump_header+0x27b/0xf72 [ 387.007220] ? rcu_read_unlock+0x16/0x60 [ 387.011273] ? pagefault_out_of_memory+0x197/0x197 [ 387.016192] ? mark_held_locks+0x130/0x130 [ 387.020416] ? percpu_ref_put_many+0x13e/0x260 [ 387.024987] ? mem_cgroup_charge_statistics+0x780/0x780 [ 387.030346] ? mem_cgroup_iter+0x1f7/0x1160 [ 387.034656] ? mark_held_locks+0x130/0x130 [ 387.038884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.044414] ? task_will_free_mem+0x239/0xb30 [ 387.048905] ? ___ratelimit+0x36f/0x655 [ 387.052867] ? lock_downgrade+0x900/0x900 [ 387.057008] ? trace_hardirqs_on+0xbd/0x310 [ 387.061320] ? kasan_check_read+0x11/0x20 [ 387.065459] ? ___ratelimit+0x36f/0x655 [ 387.069422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.074861] ? trace_hardirqs_on+0x310/0x310 [ 387.079261] ? lock_downgrade+0x900/0x900 [ 387.083662] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.090763] ? ___ratelimit+0xaa/0x655 [ 387.095096] ? idr_get_free+0xec0/0xec0 [ 387.099063] ? kasan_check_write+0x14/0x20 [ 387.103287] ? do_raw_spin_lock+0xc1/0x200 [ 387.107527] oom_kill_process.cold.27+0x10/0x903 [ 387.112271] ? lock_downgrade+0x900/0x900 [ 387.116417] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.122208] ? oom_evaluate_task+0x540/0x540 [ 387.126611] ? oom_unkillable_task+0x383/0x580 [ 387.131184] ? out_of_memory+0x974/0x1430 [ 387.135325] ? lock_downgrade+0x900/0x900 [ 387.139473] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.145262] ? __cpuset_node_allowed+0x19b/0x660 [ 387.150009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.155548] ? oom_evaluate_task+0x302/0x540 [ 387.159944] out_of_memory+0xa84/0x1430 [ 387.163910] ? oom_killer_disable+0x3a0/0x3a0 [ 387.168395] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 387.173317] ? __mutex_add_waiter+0x2a0/0x2a0 [ 387.177802] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.182809] ? find_next_bit+0x104/0x130 [ 387.186864] __alloc_pages_slowpath+0x2318/0x2d80 [ 387.191806] ? warn_alloc+0x120/0x120 [ 387.195600] ? __radix_tree_lookup+0x4c0/0x4c0 [ 387.200180] ? find_get_entry+0x2f2/0xc40 [ 387.204324] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 387.209244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.214770] ? should_fail+0x22d/0xd01 [ 387.218651] ? ___might_sleep+0x1ed/0x300 [ 387.222785] ? lock_release+0x970/0x970 [ 387.226749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.231854] ? debug_smp_processor_id+0x1c/0x20 [ 387.236518] ? __might_sleep+0x95/0x190 [ 387.240488] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 387.245329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.250346] ? lock_downgrade+0x900/0x900 [ 387.254492] ? ___might_sleep+0x1ed/0x300 [ 387.258626] ? lock_release+0x970/0x970 [ 387.262595] ? arch_local_save_flags+0x40/0x40 [ 387.267169] ? finish_task_switch+0x1f5/0x900 [ 387.271674] ? __might_sleep+0x95/0x190 [ 387.275641] __alloc_pages_nodemask+0xa80/0xde0 [ 387.280304] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.285312] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.291098] ? mark_held_locks+0x130/0x130 [ 387.295333] ? kasan_check_write+0x14/0x20 [ 387.299558] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 387.304222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.309748] ? __do_page_cache_readahead+0x7ce/0x980 [ 387.314846] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 387.320391] alloc_pages_current+0x10c/0x210 [ 387.324788] ? lock_downgrade+0x900/0x900 [ 387.328926] __page_cache_alloc+0x38f/0x5b0 [ 387.333239] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.339036] ? ext4_filemap_fault+0x82/0xad [ 387.343350] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 387.348009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.353554] ? check_preemption_disabled+0x48/0x200 [ 387.358562] filemap_fault+0x1594/0x25f0 [ 387.362617] ? __lock_page_or_retry+0xa00/0xa00 [ 387.367279] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.373064] ? lock_downgrade+0x900/0x900 [ 387.377205] ? trace_hardirqs_on+0xbd/0x310 [ 387.381513] ? kasan_check_read+0x11/0x20 [ 387.385650] ? __free_object+0x173/0x340 [ 387.389703] ? filemap_map_pages+0xdea/0x1980 [ 387.394188] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.399290] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 387.404555] ? debug_object_free+0x325/0x690 [ 387.408953] ? find_get_pages_range_tag+0x1320/0x1320 [ 387.414136] ? do_raw_spin_lock+0xc1/0x200 [ 387.418361] ? kasan_check_read+0x11/0x20 [ 387.422500] ? debug_object_destroy+0x2b0/0x2b0 [ 387.427158] ? kasan_check_write+0x14/0x20 [ 387.431383] ? lock_acquire+0x1ed/0x520 [ 387.435350] ? ext4_filemap_fault+0x7a/0xad [ 387.440019] ? lock_release+0x970/0x970 [ 387.443983] ? arch_local_save_flags+0x40/0x40 [ 387.448561] ? futex_wait_setup+0x3e0/0x3e0 [ 387.452883] ? down_read+0xb0/0x1d0 [ 387.456499] ? ext4_filemap_fault+0x7a/0xad [ 387.460813] ? __down_interruptible+0x700/0x700 [ 387.465479] ext4_filemap_fault+0x82/0xad [ 387.469617] __do_fault+0x100/0x6b0 [ 387.473237] ? print_bad_pte+0x6c0/0x6c0 [ 387.477291] ? do_futex+0x249/0x26d0 [ 387.480995] ? pmd_val+0x88/0x100 [ 387.484441] ? add_mm_counter_fast+0xd0/0xd0 [ 387.488837] ? pmd_val+0x88/0x100 [ 387.492285] ? add_mm_counter_fast+0xd0/0xd0 [ 387.496687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.502217] __handle_mm_fault+0x3709/0x53e0 [ 387.506616] ? perf_trace_lock+0x14d/0x7a0 [ 387.510849] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 387.515685] ? ksys_dup3+0x680/0x680 [ 387.519391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.525267] ? should_fail+0x22d/0xd01 [ 387.529152] ? lock_acquire+0x1ed/0x520 [ 387.533117] ? handle_mm_fault+0x42a/0xc70 [ 387.537340] ? lock_downgrade+0x900/0x900 [ 387.541481] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.547270] ? lock_downgrade+0x900/0x900 [ 387.551406] ? __do_page_fault+0x67d/0xed0 [ 387.555630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.561070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.566596] ? check_preemption_disabled+0x48/0x200 [ 387.571605] handle_mm_fault+0x54f/0xc70 [ 387.575660] ? __handle_mm_fault+0x53e0/0x53e0 [ 387.580237] ? find_vma+0x34/0x190 [ 387.583778] __do_page_fault+0x67d/0xed0 [ 387.587833] ? mm_fault_error+0x380/0x380 [ 387.591972] ? trace_hardirqs_off+0xb8/0x310 [ 387.596377] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.601731] ? trace_hardirqs_on+0x310/0x310 [ 387.606134] do_page_fault+0xf2/0x7e0 [ 387.609925] ? vmalloc_sync_all+0x30/0x30 [ 387.614538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.620070] ? error_entry+0x70/0xd0 [ 387.623775] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.628778] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.633695] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.638617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.643453] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.648460] ? trace_hardirqs_off+0x310/0x310 [ 387.652947] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.657954] ? page_fault+0x8/0x30 [ 387.661484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.666316] ? page_fault+0x8/0x30 [ 387.669848] page_fault+0x1e/0x30 [ 387.673288] RIP: 0033:0x40f9c0 [ 387.676472] Code: Bad RIP value. [ 387.679825] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 387.685178] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 387.692435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 387.699694] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 387.706952] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 387.714210] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 387.721487] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 387.721531] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.728757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.728761] Call Trace: [ 387.728767] [ 387.728785] dump_stack+0x1c4/0x2b4 [ 387.735284] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.744582] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.747131] syz-fuzzer cpuset= [ 387.749268] warn_alloc.cold.119+0xb7/0x1bd [ 387.752858] / [ 387.763081] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.768236] mems_allowed=0 [ 387.771411] ? lock_downgrade+0x900/0x900 [ 387.789758] ? trace_hardirqs_off+0xb8/0x310 [ 387.794160] ? trace_hardirqs_off+0xb8/0x310 [ 387.798566] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.803412] ? debug_object_activate+0x402/0x600 [ 387.808161] ? warn_alloc+0x120/0x120 [ 387.811952] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.816970] ? warn_alloc+0x120/0x120 [ 387.820768] ? get_stack_info+0x37/0x142 [ 387.824820] ? warn_alloc+0x120/0x120 [ 387.828611] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.833620] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 387.838371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.843898] ? should_fail+0x22d/0xd01 [ 387.847781] ? is_bpf_text_address+0xac/0x170 [ 387.852268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.857358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.862884] ? should_fail+0x22d/0xd01 [ 387.866763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.871855] ? should_fail+0x22d/0xd01 [ 387.875731] ? kasan_check_read+0x11/0x20 [ 387.879873] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.885142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.890230] ? unwind_dump+0x190/0x190 [ 387.894110] ? mark_held_locks+0x130/0x130 [ 387.898335] ? mark_held_locks+0x130/0x130 [ 387.902560] ? update_stack_state+0x1a5/0x690 [ 387.907048] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.912053] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 387.916804] ? is_bpf_text_address+0xac/0x170 [ 387.921288] ? lock_downgrade+0x900/0x900 [ 387.925428] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.931212] ? kasan_check_read+0x11/0x20 [ 387.935354] __alloc_pages_nodemask+0xa80/0xde0 [ 387.940011] ? should_fail+0x22d/0xd01 [ 387.943890] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.948897] ? is_bpf_text_address+0xd3/0x170 [ 387.953397] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.958054] ? lock_downgrade+0x900/0x900 [ 387.962194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.967731] cache_grow_begin+0x91/0x8c0 [ 387.971783] ? do_raw_spin_unlock+0xa7/0x2f0 [ 387.976185] fallback_alloc+0x203/0x2e0 [ 387.980154] ____cache_alloc_node+0x1c7/0x1e0 [ 387.984644] kmem_cache_alloc_node+0xe3/0x730 [ 387.989134] __alloc_skb+0x119/0x770 [ 387.992838] ? skb_scrub_packet+0x490/0x490 [ 387.997152] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 388.001733] ? queue_work_on+0x12c/0x1e0 [ 388.005788] ? switchdev_port_obj_del+0xdc/0x450 [ 388.010537] ? switchdev_trans_item_enqueue+0x260/0x260 [ 388.015888] ? do_raw_spin_lock+0xc1/0x200 [ 388.020111] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.025117] __br_mdb_notify+0x4ff/0x15d0 [ 388.029257] ? __br_mdb_add+0x800/0x800 [ 388.033220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.038750] ? check_preemption_disabled+0x48/0x200 [ 388.043763] ? br_multicast_group_expired+0x96/0x610 [ 388.048854] ? lock_downgrade+0x900/0x900 [ 388.052994] br_mdb_notify+0x310/0x410 [ 388.056874] ? br_mdb_dump+0x2530/0x2530 [ 388.061271] ? kasan_check_write+0x14/0x20 [ 388.066538] ? do_raw_spin_lock+0xc1/0x200 [ 388.070766] br_multicast_group_expired+0x1bc/0x610 [ 388.075773] ? br_mdb_free+0x80/0x80 [ 388.079480] call_timer_fn+0x272/0x920 [ 388.083358] ? br_mdb_free+0x80/0x80 [ 388.087064] ? process_timeout+0x40/0x40 [ 388.091115] ? trace_hardirqs_off+0xb8/0x310 [ 388.095513] ? kasan_check_read+0x11/0x20 [ 388.099654] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.104050] ? trace_hardirqs_on+0x310/0x310 [ 388.108449] ? __run_timers+0x7da/0xc70 [ 388.112413] ? lock_downgrade+0x900/0x900 [ 388.116555] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.121647] ? trace_hardirqs_on+0xbd/0x310 [ 388.125960] ? kasan_check_read+0x11/0x20 [ 388.130100] ? __run_timers+0x7da/0xc70 [ 388.134149] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.139589] ? kasan_check_write+0x14/0x20 [ 388.143815] ? do_raw_spin_lock+0xc1/0x200 [ 388.148041] ? br_mdb_free+0x80/0x80 [ 388.151747] __run_timers+0x7e5/0xc70 [ 388.155548] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.160906] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.165910] ? timerqueue_add+0x207/0x2b0 [ 388.170049] ? enqueue_hrtimer+0x1a5/0x560 [ 388.174273] ? lock_release+0x970/0x970 [ 388.178240] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.183423] ? kasan_check_write+0x14/0x20 [ 388.187653] ? pvclock_read_flags+0x160/0x160 [ 388.192146] ? lock_downgrade+0x900/0x900 [ 388.196293] ? trace_hardirqs_on+0xbd/0x310 [ 388.200601] ? kvm_sched_clock_read+0x9/0x20 [ 388.205005] ? irq_exit+0x17f/0x1c0 [ 388.208623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.214152] ? check_preemption_disabled+0x48/0x200 [ 388.219158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.224692] run_timer_softirq+0x52/0xb0 [ 388.228747] ? __this_cpu_preempt_check+0x1c/0x1f [ 388.233577] __do_softirq+0x30b/0xad8 [ 388.237372] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.242465] ? pvclock_read_flags+0x160/0x160 [ 388.246955] ? lapic_next_event+0x5a/0x90 [ 388.251097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.256622] ? clockevents_program_event+0x140/0x370 [ 388.261720] ? kvm_clock_read+0x18/0x30 [ 388.265684] ? kvm_sched_clock_read+0x9/0x20 [ 388.270089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.275619] ? check_preemption_disabled+0x48/0x200 [ 388.280632] irq_exit+0x17f/0x1c0 [ 388.284077] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.288925] ? smp_reschedule_interrupt+0x109/0x650 [ 388.293956] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.299831] ? interrupt_entry+0xb5/0xf0 [ 388.303885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.308887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.313893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.318723] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.323726] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.328733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.334261] ? check_preemption_disabled+0x48/0x200 [ 388.339266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.344798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.349638] apic_timer_interrupt+0xf/0x20 [ 388.354638] [ 388.357912] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.362838] 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 [ 388.381989] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.389692] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 388.396954] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 388.404209] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 388.411465] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 388.418724] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 388.425998] ? trace_hardirqs_on+0xb4/0x310 [ 388.430316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.435846] skb_clone+0x1bb/0x500 [ 388.439378] ? skb_split+0x11e0/0x11e0 [ 388.443286] ? check_preemption_disabled+0x48/0x200 [ 388.448306] ? __this_cpu_preempt_check+0x1c/0x1f [ 388.453140] ? __bpf_redirect+0x54b/0xb20 [ 388.457279] ? __switch_to_asm+0x34/0x70 [ 388.461334] bpf_clone_redirect+0xb9/0x490 [ 388.465562] bpf_prog_466abe619656067b+0x436/0x1000 [ 388.470572] ? __sched_text_start+0x8/0x8 [ 388.474796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.479546] ? retint_kernel+0x2d/0x2d [ 388.483433] ? lock_acquire+0x1ed/0x520 [ 388.487398] ? bpf_test_run+0x32e/0x5a0 [ 388.491360] ? lock_downgrade+0x900/0x900 [ 388.495500] ? lock_release+0x970/0x970 [ 388.499465] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 388.505271] ? preempt_schedule_common+0x1f/0xd0 [ 388.510019] ? preempt_schedule+0x4d/0x60 [ 388.514167] ? ___preempt_schedule+0x16/0x18 [ 388.518568] ? bpf_test_run+0x1c0/0x5a0 [ 388.522537] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.526943] ? bpf_prog_test_run_skb+0x295/0xb40 [ 388.531695] ? bpf_prog_test_run_skb+0x634/0xb40 [ 388.536706] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.541540] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.547071] ? fput+0x130/0x1a0 [ 388.550341] ? __bpf_prog_get+0x9b/0x290 [ 388.554397] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.559243] ? bpf_prog_test_run+0x130/0x1a0 [ 388.563641] ? __x64_sys_bpf+0x3d8/0x510 [ 388.567700] ? bpf_prog_get+0x20/0x20 [ 388.571503] ? do_syscall_64+0x1b9/0x820 [ 388.575555] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.580914] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.585834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.590671] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.595679] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.600688] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.605695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.610531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.615890] warn_alloc_show_mem: 1 callbacks suppressed [ 388.615899] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 388.615901] Mem-Info: [ 388.615936] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 388.615936] active_file:98 inactive_file:120 isolated_file:0 [ 388.615936] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.615936] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 388.615936] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 388.615936] free:13602 free_pcp:142 free_cma:0 [ 388.621264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.621271] Call Trace: [ 388.628192] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.630579] [ 388.663606] Node 0 [ 388.672949] dump_stack+0x1c4/0x2b4 [ 388.675610] 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 [ 388.703246] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.705362] lowmem_reserve[]: [ 388.707585] warn_alloc.cold.119+0xb7/0x1bd [ 388.711175] 0 [ 388.736661] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.741818] 2819 6323 [ 388.744922] ? lock_downgrade+0x900/0x900 [ 388.749207] 6323 [ 388.750993] ? trace_hardirqs_off+0xb8/0x310 [ 388.758280] ? trace_hardirqs_off+0xb8/0x310 [ 388.762397] Node 0 [ 388.764447] __alloc_pages_slowpath+0x2667/0x2d80 [ 388.768842] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 388.773224] ? warn_alloc+0x120/0x120 [ 388.775419] lowmem_reserve[]: [ 388.780261] ? lock_release+0x970/0x970 [ 388.806769] 0 [ 388.810551] ? warn_alloc+0x120/0x120 [ 388.813625] 0 [ 388.817592] ? trace_hardirqs_on+0x310/0x310 [ 388.819361] 3503 [ 388.823143] ? warn_alloc+0x120/0x120 [ 388.824912] 3503 [ 388.829302] ? mark_held_locks+0x130/0x130 [ 388.835129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.837162] Node 0 [ 388.841379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.846913] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 388.849117] ? should_fail+0x22d/0xd01 [ 388.854620] lowmem_reserve[]: [ 388.883058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.886906] 0 0 [ 388.890010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.895077] 0 [ 388.897041] ? should_fail+0x22d/0xd01 [ 388.902545] 0 [ 388.904334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.909967] ? should_fail+0x22d/0xd01 [ 388.915037] Node 0 DMA: [ 388.919430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.919438] 1*4kB [ 388.922440] ? mark_held_locks+0x130/0x130 [ 388.927508] (U) [ 388.929643] ? mark_held_locks+0x130/0x130 [ 388.933847] 0*8kB [ 388.935807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.940011] 0*16kB [ 388.942150] ? trace_hardirqs_off+0xb8/0x310 [ 388.947652] 1*32kB [ 388.949872] ? kasan_check_read+0x11/0x20 [ 388.954252] (U) [ 388.956475] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.960763] 2*64kB (U) [ 388.962729] ? trace_hardirqs_on+0x310/0x310 [ 388.967106] 1*128kB [ 388.969673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.974050] (U) [ 388.976355] ? wq_watchdog_touch+0x9c/0xfe [ 388.981857] 1*256kB [ 388.983826] ? io_serial_in+0x11/0x90 [ 388.988028] (U) [ 388.990332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.994100] 0*512kB [ 388.996062] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.001568] 1*1024kB [ 389.003883] __alloc_pages_nodemask+0xa80/0xde0 [ 389.008949] (U) [ 389.011342] ? should_fail+0x22d/0xd01 [ 389.015980] 1*2048kB [ 389.017941] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.021795] (M) [ 389.024199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.029175] 3*4096kB [ 389.031151] ? lock_downgrade+0x900/0x900 [ 389.035785] (M) [ 389.038179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.042289] = 15908kB [ 389.042295] Node 0 [ 389.044258] cache_grow_begin+0x91/0x8c0 [ 389.049755] DMA32: 5*4kB [ 389.052157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.054363] (UM) [ 389.058411] fallback_alloc+0x203/0x2e0 [ 389.061142] 0*8kB [ 389.065541] ____cache_alloc_node+0x1c7/0x1e0 [ 389.067569] 5*16kB [ 389.071528] kmem_cache_alloc_node+0xe3/0x730 [ 389.073648] (UMH) [ 389.078134] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.080335] 5*32kB [ 389.084812] __alloc_skb+0x119/0x770 [ 389.086928] (UMH) [ 389.091149] ? skb_scrub_packet+0x490/0x490 [ 389.093358] 7*64kB [ 389.097051] ? lock_downgrade+0x900/0x900 [ 389.099169] (UM) [ 389.103478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.105682] 4*128kB [ 389.109810] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.111839] (UM) [ 389.117355] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.119648] 5*256kB [ 389.125078] ? addrconf_rs_timer+0x690/0x690 [ 389.127109] (UMH) [ 389.132548] ndisc_alloc_skb+0x144/0x340 [ 389.134841] 4*512kB [ 389.139239] ndisc_send_rs+0x331/0x6e0 [ 389.141356] (UM) [ 389.145402] addrconf_rs_timer+0x314/0x690 [ 389.147695] 4*1024kB [ 389.151565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.153598] (UMH) [ 389.157821] call_timer_fn+0x272/0x920 [ 389.160196] 4*2048kB [ 389.164594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.166710] (UM) [ 389.170579] ? process_timeout+0x40/0x40 [ 389.172960] 2*4096kB [ 389.177173] ? trace_hardirqs_off+0xb8/0x310 [ 389.179203] (M) [ 389.183245] ? kasan_check_read+0x11/0x20 [ 389.185631] = 25028kB [ 389.190020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.191975] Node 0 [ 389.196114] ? trace_hardirqs_on+0x310/0x310 [ 389.198496] Normal: [ 389.202892] ? __run_timers+0x7da/0xc70 [ 389.205094] 809*4kB [ 389.209487] ? lock_downgrade+0x900/0x900 [ 389.211795] (UMEH) [ 389.215755] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.218050] 372*8kB [ 389.222181] ? trace_hardirqs_on+0xbd/0x310 [ 389.224388] (UMEH) [ 389.229474] ? kasan_check_read+0x11/0x20 [ 389.231770] 191*16kB [ 389.236075] ? __run_timers+0x7da/0xc70 [ 389.238281] (UMEH) [ 389.242408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.244789] 81*32kB [ 389.248743] ? kasan_check_write+0x14/0x20 [ 389.250952] (UME) [ 389.256385] ? do_raw_spin_lock+0xc1/0x200 [ 389.258680] 21*64kB [ 389.262898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.265017] (UMH) [ 389.269233] __run_timers+0x7e5/0xc70 [ 389.271523] 3*128kB [ 389.275747] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.277864] (UH) [ 389.281647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.283937] 0*256kB [ 389.289311] ? timerqueue_add+0x207/0x2b0 [ 389.291344] 0*512kB [ 389.296691] ? enqueue_hrtimer+0x1a5/0x560 [ 389.299858] 0*1024kB [ 389.304248] ? lock_release+0x970/0x970 [ 389.306537] 0*2048kB [ 389.310754] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.313134] 0*4096kB [ 389.317087] ? kasan_check_write+0x14/0x20 [ 389.319470] = 13588kB [ 389.324662] ? pvclock_read_flags+0x160/0x160 [ 389.327044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.331253] ? lock_downgrade+0x900/0x900 [ 389.333639] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.338117] ? trace_hardirqs_on+0xbd/0x310 [ 389.346918] 348 total pagecache pages [ 389.351048] ? kvm_sched_clock_read+0x9/0x20 [ 389.359593] 0 pages in swap cache [ 389.363900] ? irq_exit+0x17f/0x1c0 [ 389.367671] Swap cache stats: add 0, delete 0, find 0/0 [ 389.372064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.375485] Free swap = 0kB [ 389.379104] ? check_preemption_disabled+0x48/0x200 [ 389.384426] Total swap = 0kB [ 389.389948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.392934] 1965979 pages RAM [ 389.397937] run_timer_softirq+0x52/0xb0 [ 389.400922] 0 pages HighMem/MovableOnly [ 389.406445] ? __this_cpu_preempt_check+0x1c/0x1f [ 389.409518] 342307 pages reserved [ 389.413561] __do_softirq+0x30b/0xad8 [ 389.417505] 0 pages cma reserved [ 389.422336] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 389.425933] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.429543] ? pvclock_read_flags+0x160/0x160 [ 389.432877] syz-executor3 cpuset= [ 389.437961] ? lapic_next_event+0x5a/0x90 [ 389.448413] syz3 [ 389.452891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.456310] mems_allowed=0 [ 389.460441] ? clockevents_program_event+0x140/0x370 [ 389.475910] ? kvm_clock_read+0x18/0x30 [ 389.479876] ? kvm_sched_clock_read+0x9/0x20 [ 389.484276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.489801] ? check_preemption_disabled+0x48/0x200 [ 389.494824] irq_exit+0x17f/0x1c0 [ 389.498274] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.503107] ? smp_reschedule_interrupt+0x109/0x650 [ 389.508111] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.513981] ? interrupt_entry+0xb5/0xf0 [ 389.518031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.523034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.528039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.532870] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.537875] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.542882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.548409] ? check_preemption_disabled+0x48/0x200 [ 389.553409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.558940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.563773] apic_timer_interrupt+0xf/0x20 [ 389.567989] [ 389.570221] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 389.575403] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 389.594291] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 389.601987] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 389.609242] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 389.616965] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 389.624223] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 389.631482] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 389.638757] ? trace_hardirqs_on+0x9a/0x310 [ 389.643067] ? trace_hardirqs_on+0xb4/0x310 [ 389.647389] retint_kernel+0x1b/0x2d [ 389.651100] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 389.656366] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 389.675251] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 389.682948] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 389.690206] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 389.697466] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 389.704722] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 389.711981] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 389.719768] ? trace_hardirqs_on+0x9a/0x310 [ 389.724087] ? arch_local_irq_restore+0x45/0x52 [ 389.728750] dump_stack+0x26a/0x2b4 [ 389.732371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.737554] ? mark_held_locks+0x130/0x130 [ 389.741776] ? mark_held_locks+0x130/0x130 [ 389.746001] dump_header+0x27b/0xf72 [ 389.749705] ? rcu_read_unlock+0x16/0x60 [ 389.753755] ? pagefault_out_of_memory+0x197/0x197 [ 389.758948] ? mark_held_locks+0x130/0x130 [ 389.763169] ? percpu_ref_put_many+0x13e/0x260 [ 389.767742] ? mem_cgroup_charge_statistics+0x780/0x780 [ 389.773097] ? mem_cgroup_iter+0x1f7/0x1160 [ 389.777407] ? mark_held_locks+0x130/0x130 [ 389.781887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.787415] ? task_will_free_mem+0x239/0xb30 [ 389.791908] ? ___ratelimit+0x36f/0x655 [ 389.795874] ? lock_downgrade+0x900/0x900 [ 389.800017] ? trace_hardirqs_on+0xbd/0x310 [ 389.804413] ? kasan_check_read+0x11/0x20 [ 389.808548] ? ___ratelimit+0x36f/0x655 [ 389.812514] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.817952] ? trace_hardirqs_on+0x310/0x310 [ 389.822348] ? lock_downgrade+0x900/0x900 [ 389.826489] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.831585] ? ___ratelimit+0xaa/0x655 [ 389.835466] ? idr_get_free+0xec0/0xec0 [ 389.839429] ? kasan_check_write+0x14/0x20 [ 389.843654] ? do_raw_spin_lock+0xc1/0x200 [ 389.847889] oom_kill_process.cold.27+0x10/0x903 [ 389.852633] ? lock_downgrade+0x900/0x900 [ 389.856776] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.862569] ? oom_evaluate_task+0x540/0x540 [ 389.866974] ? oom_unkillable_task+0x383/0x580 [ 389.871543] ? out_of_memory+0x974/0x1430 [ 389.875683] ? lock_downgrade+0x900/0x900 [ 389.879829] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.885615] ? __cpuset_node_allowed+0x19b/0x660 [ 389.890362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.895888] ? oom_evaluate_task+0x302/0x540 [ 389.900287] out_of_memory+0xa84/0x1430 [ 389.904260] ? oom_killer_disable+0x3a0/0x3a0 [ 389.908745] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 389.913664] ? __mutex_add_waiter+0x2a0/0x2a0 [ 389.918151] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.923157] ? find_next_bit+0x104/0x130 [ 389.927212] __alloc_pages_slowpath+0x2318/0x2d80 [ 389.932060] ? warn_alloc+0x120/0x120 [ 389.935850] ? __radix_tree_lookup+0x4c0/0x4c0 [ 389.940427] ? find_get_entry+0x2f2/0xc40 [ 389.944571] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 389.949488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.955012] ? should_fail+0x22d/0xd01 [ 389.958893] ? ___might_sleep+0x1ed/0x300 [ 389.963029] ? lock_release+0x970/0x970 [ 389.966998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.972087] ? debug_smp_processor_id+0x1c/0x20 [ 389.976752] ? __might_sleep+0x95/0x190 [ 389.980718] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 389.985555] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.990653] ? lock_downgrade+0x900/0x900 [ 389.994797] ? ___might_sleep+0x1ed/0x300 [ 389.998934] ? lock_release+0x970/0x970 [ 390.002914] ? arch_local_save_flags+0x40/0x40 [ 390.007493] ? finish_task_switch+0x1f5/0x900 [ 390.011982] ? __might_sleep+0x95/0x190 [ 390.015951] __alloc_pages_nodemask+0xa80/0xde0 [ 390.020641] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.025652] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 390.031437] ? mark_held_locks+0x130/0x130 [ 390.035659] ? kasan_check_write+0x14/0x20 [ 390.039887] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 390.044553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.050081] ? __do_page_cache_readahead+0x7ce/0x980 [ 390.055178] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 390.060706] alloc_pages_current+0x10c/0x210 [ 390.065102] ? lock_downgrade+0x900/0x900 [ 390.069415] __page_cache_alloc+0x38f/0x5b0 [ 390.073727] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 390.079519] ? ext4_filemap_fault+0x82/0xad [ 390.083829] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 390.088485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.094018] ? check_preemption_disabled+0x48/0x200 [ 390.099036] filemap_fault+0x1594/0x25f0 [ 390.103092] ? __lock_page_or_retry+0xa00/0xa00 [ 390.107753] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 390.113548] ? lock_downgrade+0x900/0x900 [ 390.117691] ? trace_hardirqs_on+0xbd/0x310 [ 390.121997] ? kasan_check_read+0x11/0x20 [ 390.126135] ? __free_object+0x173/0x340 [ 390.130191] ? filemap_map_pages+0xdea/0x1980 [ 390.134678] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.139780] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 390.145048] ? debug_object_free+0x325/0x690 [ 390.149450] ? find_get_pages_range_tag+0x1320/0x1320 [ 390.154632] ? do_raw_spin_lock+0xc1/0x200 [ 390.158858] ? kasan_check_read+0x11/0x20 [ 390.163004] ? debug_object_destroy+0x2b0/0x2b0 [ 390.167669] ? kasan_check_write+0x14/0x20 [ 390.171898] ? lock_acquire+0x1ed/0x520 [ 390.175864] ? ext4_filemap_fault+0x7a/0xad [ 390.180176] ? lock_release+0x970/0x970 [ 390.184138] ? arch_local_save_flags+0x40/0x40 [ 390.188709] ? futex_wait_setup+0x3e0/0x3e0 [ 390.193030] ? down_read+0xb0/0x1d0 [ 390.196642] ? ext4_filemap_fault+0x7a/0xad [ 390.200951] ? __down_interruptible+0x700/0x700 [ 390.205620] ext4_filemap_fault+0x82/0xad [ 390.209757] __do_fault+0x100/0x6b0 [ 390.213384] ? print_bad_pte+0x6c0/0x6c0 [ 390.217431] ? do_futex+0x249/0x26d0 [ 390.221144] ? pmd_val+0x88/0x100 [ 390.224586] ? add_mm_counter_fast+0xd0/0xd0 [ 390.229071] ? pmd_val+0x88/0x100 [ 390.232515] ? add_mm_counter_fast+0xd0/0xd0 [ 390.236913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.242441] __handle_mm_fault+0x3709/0x53e0 [ 390.246842] ? perf_trace_lock+0x14d/0x7a0 [ 390.251075] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 390.255911] ? ksys_dup3+0x680/0x680 [ 390.259616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.265150] ? should_fail+0x22d/0xd01 [ 390.269040] ? lock_acquire+0x1ed/0x520 [ 390.273008] ? handle_mm_fault+0x42a/0xc70 [ 390.277253] ? lock_downgrade+0x900/0x900 [ 390.281392] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 390.287180] ? lock_downgrade+0x900/0x900 [ 390.291324] ? __do_page_fault+0x67d/0xed0 [ 390.295554] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.300995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.306527] ? check_preemption_disabled+0x48/0x200 [ 390.311541] handle_mm_fault+0x54f/0xc70 [ 390.315593] ? __handle_mm_fault+0x53e0/0x53e0 [ 390.320166] ? find_vma+0x34/0x190 [ 390.323697] __do_page_fault+0x67d/0xed0 [ 390.327763] ? mm_fault_error+0x380/0x380 [ 390.331899] ? trace_hardirqs_off+0xb8/0x310 [ 390.336300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.341652] ? trace_hardirqs_on+0x310/0x310 [ 390.346056] do_page_fault+0xf2/0x7e0 [ 390.349846] ? vmalloc_sync_all+0x30/0x30 [ 390.353986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.359625] ? error_entry+0x70/0xd0 [ 390.363329] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.368332] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.373250] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.378170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.383011] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.388019] ? trace_hardirqs_off+0x310/0x310 [ 390.392504] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.397512] ? page_fault+0x8/0x30 [ 390.401049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.405883] ? page_fault+0x8/0x30 [ 390.409415] page_fault+0x1e/0x30 [ 390.412856] RIP: 0033:0x40f9c0 [ 390.416045] Code: Bad RIP value. [ 390.419394] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 390.424750] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 390.432011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 390.439267] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 390.446523] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 390.453783] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 390.461060] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 390.461101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.468326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.468330] Call Trace: [ 390.468335] [ 390.468354] dump_stack+0x1c4/0x2b4 [ 390.474852] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.484154] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.486706] syz-fuzzer cpuset= [ 390.488845] warn_alloc.cold.119+0xb7/0x1bd [ 390.492450] / [ 390.502658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.507821] mems_allowed=0 [ 390.510996] ? lock_downgrade+0x900/0x900 [ 390.528862] ? trace_hardirqs_off+0xb8/0x310 [ 390.533267] ? trace_hardirqs_off+0xb8/0x310 [ 390.537670] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.542524] ? warn_alloc+0x120/0x120 [ 390.546317] ? warn_alloc+0x120/0x120 [ 390.550106] ? is_bpf_text_address+0xd3/0x170 [ 390.554590] ? warn_alloc+0x120/0x120 [ 390.558380] ? __kernel_text_address+0xd/0x40 [ 390.562958] ? __save_stack_trace+0x8d/0xf0 [ 390.567272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.572801] ? should_fail+0x22d/0xd01 [ 390.576681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.581772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.587297] ? should_fail+0x22d/0xd01 [ 390.591182] ? save_stack+0xa9/0xd0 [ 390.594800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.599895] ? should_fail+0x22d/0xd01 [ 390.603771] ? kmem_cache_alloc+0x12e/0x730 [ 390.608083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.613180] ? run_timer_softirq+0x52/0xb0 [ 390.617406] ? mark_held_locks+0x130/0x130 [ 390.621629] ? bpf_prog_466abe619656067b+0x436/0x1000 [ 390.626813] ? mark_held_locks+0x130/0x130 [ 390.631045] ? check_preemption_disabled+0x48/0x200 [ 390.636058] ? mark_held_locks+0x130/0x130 [ 390.640292] ? rcu_nmi_exit+0xdb/0x280 [ 390.644171] ? ret_from_intr+0xb/0x1e [ 390.647967] ? __debug_object_init+0x57d/0x1290 [ 390.652629] ? lock_downgrade+0x900/0x900 [ 390.656766] ? lock_downgrade+0x900/0x900 [ 390.660912] __alloc_pages_nodemask+0xa80/0xde0 [ 390.665579] ? should_fail+0x22d/0xd01 [ 390.669460] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.674486] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.679143] ? lock_downgrade+0x900/0x900 [ 390.683285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.688814] cache_grow_begin+0x91/0x8c0 [ 390.692864] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.697267] fallback_alloc+0x203/0x2e0 [ 390.701235] ____cache_alloc_node+0x1c7/0x1e0 [ 390.705732] kmem_cache_alloc_node+0xe3/0x730 [ 390.710218] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.714445] __alloc_skb+0x119/0x770 [ 390.718149] ? skb_scrub_packet+0x490/0x490 [ 390.722458] ? lock_downgrade+0x900/0x900 [ 390.726608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.732134] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.737574] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.743022] ? addrconf_rs_timer+0x690/0x690 [ 390.747426] ndisc_alloc_skb+0x144/0x340 [ 390.751484] ndisc_send_rs+0x331/0x6e0 [ 390.755363] addrconf_rs_timer+0x314/0x690 [ 390.759585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.765113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.769346] call_timer_fn+0x272/0x920 [ 390.773222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.777447] ? process_timeout+0x40/0x40 [ 390.781993] ? trace_hardirqs_off+0xb8/0x310 [ 390.786393] ? kasan_check_read+0x11/0x20 [ 390.790551] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.794946] ? trace_hardirqs_on+0x310/0x310 [ 390.799350] ? __run_timers+0x7da/0xc70 [ 390.803316] ? lock_downgrade+0x900/0x900 [ 390.807454] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.812550] ? trace_hardirqs_on+0xbd/0x310 [ 390.816858] ? kasan_check_read+0x11/0x20 [ 390.820997] ? __run_timers+0x7da/0xc70 [ 390.824960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.830399] ? kasan_check_write+0x14/0x20 [ 390.834625] ? do_raw_spin_lock+0xc1/0x200 [ 390.838853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.843077] __run_timers+0x7e5/0xc70 [ 390.846877] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.852242] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.857254] ? timerqueue_add+0x207/0x2b0 [ 390.861393] ? enqueue_hrtimer+0x1a5/0x560 [ 390.865614] ? lock_release+0x970/0x970 [ 390.869579] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.874757] ? kasan_check_write+0x14/0x20 [ 390.878985] ? pvclock_read_flags+0x160/0x160 [ 390.883472] ? lock_downgrade+0x900/0x900 [ 390.887613] ? trace_hardirqs_on+0xbd/0x310 [ 390.891925] ? kvm_sched_clock_read+0x9/0x20 [ 390.896324] ? irq_exit+0x17f/0x1c0 [ 390.899940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.905473] ? check_preemption_disabled+0x48/0x200 [ 390.910482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.916015] run_timer_softirq+0x52/0xb0 [ 390.920069] ? __this_cpu_preempt_check+0x1c/0x1f [ 390.924902] __do_softirq+0x30b/0xad8 [ 390.928704] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.933799] ? pvclock_read_flags+0x160/0x160 [ 390.938286] ? lapic_next_event+0x5a/0x90 [ 390.942422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.947949] ? clockevents_program_event+0x140/0x370 [ 390.953044] ? kvm_clock_read+0x18/0x30 [ 390.957008] ? kvm_sched_clock_read+0x9/0x20 [ 390.961416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.966947] ? check_preemption_disabled+0x48/0x200 [ 390.971962] irq_exit+0x17f/0x1c0 [ 390.975407] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.980242] ? smp_reschedule_interrupt+0x109/0x650 [ 390.985253] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.991124] ? interrupt_entry+0xb5/0xf0 [ 390.995177] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.000182] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.005191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.010024] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.015031] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.020040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.025571] ? check_preemption_disabled+0x48/0x200 [ 391.030581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.036113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.040957] apic_timer_interrupt+0xf/0x20 [ 391.045175] [ 391.047404] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.052325] 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 [ 391.071214] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.078911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 391.086166] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 391.093424] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 391.100694] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 391.108215] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 391.115484] ? trace_hardirqs_on+0xb4/0x310 [ 391.119803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.125334] skb_clone+0x1bb/0x500 [ 391.128865] ? skb_split+0x11e0/0x11e0 [ 391.132742] ? check_preemption_disabled+0x48/0x200 [ 391.137753] ? __this_cpu_preempt_check+0x1c/0x1f [ 391.142590] ? __bpf_redirect+0x54b/0xb20 [ 391.146726] ? __switch_to_asm+0x34/0x70 [ 391.150778] bpf_clone_redirect+0xb9/0x490 [ 391.155006] bpf_prog_466abe619656067b+0x436/0x1000 [ 391.160012] ? __sched_text_start+0x8/0x8 [ 391.164154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.168902] ? retint_kernel+0x2d/0x2d [ 391.172784] ? lock_acquire+0x1ed/0x520 [ 391.176748] ? bpf_test_run+0x32e/0x5a0 [ 391.180711] ? lock_downgrade+0x900/0x900 [ 391.184852] ? lock_release+0x970/0x970 [ 391.188817] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 391.194604] ? preempt_schedule_common+0x1f/0xd0 [ 391.199353] ? preempt_schedule+0x4d/0x60 [ 391.203490] ? ___preempt_schedule+0x16/0x18 [ 391.207895] ? bpf_test_run+0x1c0/0x5a0 [ 391.211866] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.216267] ? bpf_prog_test_run_skb+0x295/0xb40 [ 391.221014] ? bpf_prog_test_run_skb+0x634/0xb40 [ 391.225764] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.230595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.236120] ? fput+0x130/0x1a0 [ 391.239390] ? __bpf_prog_get+0x9b/0x290 [ 391.243447] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.248277] ? bpf_prog_test_run+0x130/0x1a0 [ 391.252686] ? __x64_sys_bpf+0x3d8/0x510 [ 391.256735] ? bpf_prog_get+0x20/0x20 [ 391.260535] ? do_syscall_64+0x1b9/0x820 [ 391.264583] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.269936] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.274945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.279776] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.284782] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.289806] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.294819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.299657] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.305025] warn_alloc_show_mem: 1 callbacks suppressed [ 391.305035] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 391.305037] Mem-Info: [ 391.305066] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 391.305066] active_file:98 inactive_file:120 isolated_file:0 [ 391.305066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 391.305066] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 391.305066] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 391.305066] free:13602 free_pcp:142 free_cma:0 [ 391.310395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.317314] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 391.319703] Call Trace: [ 391.352646] Node 0 [ 391.361985] [ 391.389654] 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 [ 391.392210] dump_stack+0x1c4/0x2b4 [ 391.394411] lowmem_reserve[]: [ 391.396547] ? dump_stack_print_info.cold.2+0x52/0x52 [ 391.422014] 0 [ 391.425633] warn_alloc.cold.119+0xb7/0x1bd [ 391.428699] 2819 [ 391.433990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.435759] 6323 [ 391.440062] ? lock_downgrade+0x900/0x900 [ 391.442104] 6323 [ 391.446939] ? trace_hardirqs_off+0xb8/0x310 [ 391.453101] ? trace_hardirqs_off+0xb8/0x310 [ 391.455148] Node 0 [ 391.459541] __alloc_pages_slowpath+0x2667/0x2d80 [ 391.463942] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 391.466153] ? warn_alloc+0x120/0x120 [ 391.470955] lowmem_reserve[]: [ 391.497481] ? lock_release+0x970/0x970 [ 391.501247] 0 [ 391.504335] ? warn_alloc+0x120/0x120 [ 391.508276] 0 [ 391.510060] ? trace_hardirqs_on+0x310/0x310 [ 391.513827] 3503 [ 391.515612] ? warn_alloc+0x120/0x120 [ 391.519992] 3503 [ 391.522036] ? mark_held_locks+0x130/0x130 [ 391.527951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.532161] Node 0 [ 391.537684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.537716] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 391.539917] ? should_fail+0x22d/0xd01 [ 391.545425] lowmem_reserve[]: [ 391.573860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.577716] 0 [ 391.580804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.585885] 0 [ 391.587676] ? should_fail+0x22d/0xd01 [ 391.593177] 0 [ 391.594964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.598817] 0 [ 391.600602] ? should_fail+0x22d/0xd01 [ 391.607459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.611857] Node 0 DMA: 1*4kB [ 391.617068] ? mark_held_locks+0x130/0x130 [ 391.617070] (U) 0*8kB [ 391.620253] ? mark_held_locks+0x130/0x130 [ 391.624465] 0*16kB [ 391.626959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.631158] 1*32kB [ 391.633377] ? trace_hardirqs_off+0xb8/0x310 [ 391.638886] (U) [ 391.641117] ? kasan_check_read+0x11/0x20 [ 391.645494] 2*64kB [ 391.647468] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.651582] (U) [ 391.653806] ? trace_hardirqs_on+0x310/0x310 [ 391.658185] 1*128kB [ 391.660145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.664521] (U) [ 391.666829] ? wq_watchdog_touch+0x9c/0xfe [ 391.672333] 1*256kB [ 391.674292] ? io_serial_in+0x11/0x90 [ 391.678492] (U) [ 391.680799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.684565] 0*512kB [ 391.686530] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.692046] 1*1024kB [ 391.694357] __alloc_pages_nodemask+0xa80/0xde0 [ 391.699424] (U) [ 391.701819] ? should_fail+0x22d/0xd01 [ 391.706453] 1*2048kB [ 391.708415] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.712269] (M) [ 391.714673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.719656] 3*4096kB [ 391.721617] ? lock_downgrade+0x900/0x900 [ 391.726263] (M) [ 391.728661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.732778] = 15908kB [ 391.734736] cache_grow_begin+0x91/0x8c0 [ 391.740241] Node 0 [ 391.742642] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.746661] DMA32: 5*4kB [ 391.748895] fallback_alloc+0x203/0x2e0 [ 391.753265] (UM) [ 391.756005] ____cache_alloc_node+0x1c7/0x1e0 [ 391.759945] 0*8kB [ 391.761991] kmem_cache_alloc_node+0xe3/0x730 [ 391.766453] 5*16kB [ 391.768587] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.773049] (UMH) [ 391.775274] __alloc_skb+0x119/0x770 [ 391.780012] 5*32kB (UMH) [ 391.782165] ? skb_scrub_packet+0x490/0x490 [ 391.785841] 7*64kB [ 391.790404] ? lock_downgrade+0x900/0x900 [ 391.794690] (UM) [ 391.796913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.801028] 4*128kB [ 391.803077] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.808579] (UM) [ 391.810890] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.816305] 5*256kB [ 391.818351] ? addrconf_rs_timer+0x690/0x690 [ 391.823766] (UMH) [ 391.826080] ndisc_alloc_skb+0x144/0x340 [ 391.830451] 4*512kB [ 391.832585] ndisc_send_rs+0x331/0x6e0 [ 391.836612] (UM) [ 391.838924] addrconf_rs_timer+0x314/0x690 [ 391.842778] 4*1024kB [ 391.844827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.849028] (UMH) [ 391.851430] call_timer_fn+0x272/0x920 [ 391.855637] 4*2048kB [ 391.857769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.861628] (UM) [ 391.864021] ? process_timeout+0x40/0x40 [ 391.868223] 2*4096kB [ 391.870269] ? trace_hardirqs_off+0xb8/0x310 [ 391.874295] (M) [ 391.876691] ? kasan_check_read+0x11/0x20 [ 391.881066] = 25028kB [ 391.883024] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.887139] Node 0 [ 391.889534] ? trace_hardirqs_on+0x310/0x310 [ 391.893913] Normal: [ 391.896133] ? __run_timers+0x7da/0xc70 [ 391.900506] 809*4kB [ 391.902812] ? lock_downgrade+0x900/0x900 [ 391.906754] (UMEH) [ 391.909062] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.913176] 372*8kB [ 391.915397] ? trace_hardirqs_on+0xbd/0x310 [ 391.920465] (UMEH) [ 391.922768] ? kasan_check_read+0x11/0x20 [ 391.927063] 191*16kB [ 391.929284] ? __run_timers+0x7da/0xc70 [ 391.933397] (UMEH) [ 391.935791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.939732] 81*32kB [ 391.941947] ? kasan_check_write+0x14/0x20 [ 391.947364] (UME) [ 391.949674] ? do_raw_spin_lock+0xc1/0x200 [ 391.953877] 21*64kB [ 391.956013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.960212] (UMH) [ 391.962519] __run_timers+0x7e5/0xc70 [ 391.966718] 3*128kB [ 391.968860] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.972630] (UH) [ 391.974937] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.980270] 0*256kB [ 391.982317] ? timerqueue_add+0x207/0x2b0 [ 391.987390] 0*512kB [ 391.989699] ? enqueue_hrtimer+0x1a5/0x560 [ 391.993816] 0*1024kB [ 391.996125] ? lock_release+0x970/0x970 [ 392.000326] 0*2048kB [ 392.002720] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 392.006660] 0*4096kB = 13588kB [ 392.009060] ? kasan_check_write+0x14/0x20 [ 392.014226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.017408] ? pvclock_read_flags+0x160/0x160 [ 392.021621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.030435] ? lock_downgrade+0x900/0x900 [ 392.034897] 348 total pagecache pages [ 392.043458] ? trace_hardirqs_on+0xbd/0x310 [ 392.047573] 0 pages in swap cache [ 392.051357] ? kvm_sched_clock_read+0x9/0x20 [ 392.055654] Swap cache stats: add 0, delete 0, find 0/0 [ 392.059085] ? irq_exit+0x17f/0x1c0 [ 392.063457] Free swap = 0kB [ 392.068803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.072399] Total swap = 0kB [ 392.075406] ? check_preemption_disabled+0x48/0x200 [ 392.080908] 1965979 pages RAM [ 392.083910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.088902] 0 pages HighMem/MovableOnly [ 392.091994] run_timer_softirq+0x52/0xb0 [ 392.097498] 342307 pages reserved [ 392.101469] ? __this_cpu_preempt_check+0x1c/0x1f [ 392.105581] 0 pages cma reserved [ 392.109022] __do_softirq+0x30b/0xad8 [ 392.113880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.117185] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.121015] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.127437] ? pvclock_read_flags+0x160/0x160 [ 392.132507] syz-executor3 cpuset= [ 392.142975] ? lapic_next_event+0x5a/0x90 [ 392.147437] syz3 [ 392.150875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.154991] mems_allowed=0 [ 392.156952] ? clockevents_program_event+0x140/0x370 [ 392.170456] ? kvm_clock_read+0x18/0x30 [ 392.174420] ? kvm_sched_clock_read+0x9/0x20 [ 392.178818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.184348] ? check_preemption_disabled+0x48/0x200 [ 392.189359] irq_exit+0x17f/0x1c0 [ 392.192804] smp_apic_timer_interrupt+0x1cb/0x760 [ 392.197643] ? smp_reschedule_interrupt+0x109/0x650 [ 392.202652] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.208526] ? interrupt_entry+0xb5/0xf0 [ 392.212577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.217593] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.222608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.227440] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.232448] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.237452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.242981] ? check_preemption_disabled+0x48/0x200 [ 392.247989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.253527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.258364] apic_timer_interrupt+0xf/0x20 [ 392.262589] [ 392.264818] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 392.270004] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 392.288889] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 392.296603] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 392.303859] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 392.311113] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 392.318373] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 392.325628] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 392.332897] ? trace_hardirqs_on+0x9a/0x310 [ 392.337253] ? trace_hardirqs_on+0xb4/0x310 [ 392.341568] retint_kernel+0x1b/0x2d [ 392.345283] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 392.354191] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 392.373079] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 392.380777] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 392.388033] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 392.395291] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 392.402550] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 392.409811] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 392.417081] ? trace_hardirqs_on+0x9a/0x310 [ 392.421392] ? arch_local_irq_restore+0x45/0x52 [ 392.426051] dump_stack+0x26a/0x2b4 [ 392.429678] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.434872] ? mark_held_locks+0x130/0x130 [ 392.439094] ? mark_held_locks+0x130/0x130 [ 392.443323] dump_header+0x27b/0xf72 [ 392.447029] ? rcu_read_unlock+0x16/0x60 [ 392.451082] ? pagefault_out_of_memory+0x197/0x197 [ 392.456002] ? mark_held_locks+0x130/0x130 [ 392.460225] ? percpu_ref_put_many+0x13e/0x260 [ 392.464797] ? mem_cgroup_charge_statistics+0x780/0x780 [ 392.470155] ? mem_cgroup_iter+0x1f7/0x1160 [ 392.474467] ? mark_held_locks+0x130/0x130 [ 392.478709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.484235] ? task_will_free_mem+0x239/0xb30 [ 392.488728] ? ___ratelimit+0x36f/0x655 [ 392.492690] ? lock_downgrade+0x900/0x900 [ 392.496835] ? trace_hardirqs_on+0xbd/0x310 [ 392.501146] ? kasan_check_read+0x11/0x20 [ 392.505283] ? ___ratelimit+0x36f/0x655 [ 392.509246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.514688] ? trace_hardirqs_on+0x310/0x310 [ 392.519086] ? lock_downgrade+0x900/0x900 [ 392.523225] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.528326] ? ___ratelimit+0xaa/0x655 [ 392.532203] ? idr_get_free+0xec0/0xec0 [ 392.536164] ? kasan_check_write+0x14/0x20 [ 392.540387] ? do_raw_spin_lock+0xc1/0x200 [ 392.544615] oom_kill_process.cold.27+0x10/0x903 [ 392.549359] ? lock_downgrade+0x900/0x900 [ 392.553502] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.559288] ? oom_evaluate_task+0x540/0x540 [ 392.563693] ? oom_unkillable_task+0x383/0x580 [ 392.568266] ? out_of_memory+0x974/0x1430 [ 392.572402] ? lock_downgrade+0x900/0x900 [ 392.576543] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.582336] ? __cpuset_node_allowed+0x19b/0x660 [ 392.587082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.592606] ? oom_evaluate_task+0x302/0x540 [ 392.597006] out_of_memory+0xa84/0x1430 [ 392.600978] ? oom_killer_disable+0x3a0/0x3a0 [ 392.605462] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 392.610385] ? __mutex_add_waiter+0x2a0/0x2a0 [ 392.614972] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.619977] ? find_next_bit+0x104/0x130 [ 392.624033] __alloc_pages_slowpath+0x2318/0x2d80 [ 392.628883] ? warn_alloc+0x120/0x120 [ 392.632674] ? __radix_tree_lookup+0x4c0/0x4c0 [ 392.637256] ? find_get_entry+0x2f2/0xc40 [ 392.641411] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 392.646331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.651872] ? should_fail+0x22d/0xd01 [ 392.655750] ? ___might_sleep+0x1ed/0x300 [ 392.659888] ? lock_release+0x970/0x970 [ 392.663850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.668941] ? debug_smp_processor_id+0x1c/0x20 [ 392.673603] ? __might_sleep+0x95/0x190 [ 392.677578] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 392.682424] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.687437] ? lock_downgrade+0x900/0x900 [ 392.691576] ? ___might_sleep+0x1ed/0x300 [ 392.695713] ? lock_release+0x970/0x970 [ 392.699678] ? arch_local_save_flags+0x40/0x40 [ 392.704250] ? finish_task_switch+0x1f5/0x900 [ 392.708738] ? __might_sleep+0x95/0x190 [ 392.712705] __alloc_pages_nodemask+0xa80/0xde0 [ 392.717368] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.722374] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.728157] ? mark_held_locks+0x130/0x130 [ 392.732378] ? kasan_check_write+0x14/0x20 [ 392.736605] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 392.741269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.746793] ? __do_page_cache_readahead+0x7ce/0x980 [ 392.751897] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.757426] alloc_pages_current+0x10c/0x210 [ 392.761823] ? lock_downgrade+0x900/0x900 [ 392.765966] __page_cache_alloc+0x38f/0x5b0 [ 392.770369] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.776158] ? ext4_filemap_fault+0x82/0xad [ 392.780471] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 392.785128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.790656] ? check_preemption_disabled+0x48/0x200 [ 392.795667] filemap_fault+0x1594/0x25f0 [ 392.799723] ? __lock_page_or_retry+0xa00/0xa00 [ 392.804383] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.810168] ? lock_downgrade+0x900/0x900 [ 392.814308] ? trace_hardirqs_on+0xbd/0x310 [ 392.818619] ? kasan_check_read+0x11/0x20 [ 392.822759] ? __free_object+0x173/0x340 [ 392.826819] ? filemap_map_pages+0xdea/0x1980 [ 392.831305] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.836402] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 392.841664] ? debug_object_free+0x325/0x690 [ 392.846066] ? find_get_pages_range_tag+0x1320/0x1320 [ 392.851252] ? do_raw_spin_lock+0xc1/0x200 [ 392.855479] ? kasan_check_read+0x11/0x20 [ 392.859619] ? debug_object_destroy+0x2b0/0x2b0 [ 392.864285] ? kasan_check_write+0x14/0x20 [ 392.868510] ? lock_acquire+0x1ed/0x520 [ 392.872483] ? ext4_filemap_fault+0x7a/0xad [ 392.876799] ? lock_release+0x970/0x970 [ 392.880762] ? arch_local_save_flags+0x40/0x40 [ 392.885341] ? futex_wait_setup+0x3e0/0x3e0 [ 392.889674] ? down_read+0xb0/0x1d0 [ 392.893288] ? ext4_filemap_fault+0x7a/0xad [ 392.897599] ? __down_interruptible+0x700/0x700 [ 392.902267] ext4_filemap_fault+0x82/0xad [ 392.906417] __do_fault+0x100/0x6b0 [ 392.910034] ? print_bad_pte+0x6c0/0x6c0 [ 392.914083] ? do_futex+0x249/0x26d0 [ 392.917872] ? pmd_val+0x88/0x100 [ 392.921317] ? add_mm_counter_fast+0xd0/0xd0 [ 392.925715] ? pmd_val+0x88/0x100 [ 392.929157] ? add_mm_counter_fast+0xd0/0xd0 [ 392.933557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.939089] __handle_mm_fault+0x3709/0x53e0 [ 392.943484] ? perf_trace_lock+0x14d/0x7a0 [ 392.947716] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 392.952551] ? ksys_dup3+0x680/0x680 [ 392.956251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.961782] ? should_fail+0x22d/0xd01 [ 392.965664] ? lock_acquire+0x1ed/0x520 [ 392.969634] ? handle_mm_fault+0x42a/0xc70 [ 392.973858] ? lock_downgrade+0x900/0x900 [ 392.978000] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.983790] ? lock_downgrade+0x900/0x900 [ 392.987927] ? __do_page_fault+0x67d/0xed0 [ 392.992149] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.997592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.003117] ? check_preemption_disabled+0x48/0x200 [ 393.008129] handle_mm_fault+0x54f/0xc70 [ 393.012181] ? __handle_mm_fault+0x53e0/0x53e0 [ 393.016750] ? find_vma+0x34/0x190 [ 393.020283] __do_page_fault+0x67d/0xed0 [ 393.024339] ? mm_fault_error+0x380/0x380 [ 393.028472] ? trace_hardirqs_off+0xb8/0x310 [ 393.032868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.038217] ? trace_hardirqs_on+0x310/0x310 [ 393.042616] do_page_fault+0xf2/0x7e0 [ 393.046409] ? vmalloc_sync_all+0x30/0x30 [ 393.050555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.056081] ? error_entry+0x70/0xd0 [ 393.059785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.064793] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.069714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.074635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.079468] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.084468] ? trace_hardirqs_off+0x310/0x310 [ 393.088955] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.093959] ? page_fault+0x8/0x30 [ 393.097487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.102323] ? page_fault+0x8/0x30 [ 393.105852] page_fault+0x1e/0x30 [ 393.109289] RIP: 0033:0x40f9c0 [ 393.112475] Code: Bad RIP value. [ 393.115828] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 393.121182] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 393.128439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 393.135699] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 393.142962] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 393.150222] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 393.157498] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 393.157550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.164872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.164876] Call Trace: [ 393.164881] [ 393.164898] dump_stack+0x1c4/0x2b4 [ 393.164914] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.171435] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.180725] warn_alloc.cold.119+0xb7/0x1bd [ 393.183278] syz-fuzzer cpuset= [ 393.185412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.189003] / [ 393.194180] ? lock_downgrade+0x900/0x900 [ 393.204374] mems_allowed=0 [ 393.208678] ? trace_hardirqs_off+0xb8/0x310 [ 393.229809] ? trace_hardirqs_off+0xb8/0x310 [ 393.234216] __alloc_pages_slowpath+0x2667/0x2d80 [ 393.239065] ? warn_alloc+0x120/0x120 [ 393.242861] ? trace_hardirqs_on+0x310/0x310 [ 393.247266] ? warn_alloc+0x120/0x120 [ 393.251058] ? warn_alloc+0x120/0x120 [ 393.254847] ? ktime_get+0x2e1/0x440 [ 393.258554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.264083] ? check_preemption_disabled+0x48/0x200 [ 393.269089] ? kasan_check_read+0x11/0x20 [ 393.273226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.278757] ? should_fail+0x22d/0xd01 [ 393.282636] ? rcu_bh_qs+0xc0/0xc0 [ 393.286167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.291263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.296802] ? should_fail+0x22d/0xd01 [ 393.300681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.305772] ? should_fail+0x22d/0xd01 [ 393.309735] ? rcu_idle_enter+0x4b0/0x4b0 [ 393.313873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.318966] ? mark_held_locks+0x130/0x130 [ 393.323192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.328719] ? mark_held_locks+0x130/0x130 [ 393.332947] ? rcu_irq_exit+0xce/0x100 [ 393.336828] ? irq_exit+0xbd/0x1c0 [ 393.340359] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.345368] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.349770] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.355643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.361174] ? ret_from_intr+0xb/0x1e [ 393.364962] ? retint_kernel+0x2d/0x2d [ 393.368844] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.373768] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.378512] ? trace_hardirqs_off+0x310/0x310 [ 393.382994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.388098] __alloc_pages_nodemask+0xa80/0xde0 [ 393.392756] ? should_fail+0x22d/0xd01 [ 393.396640] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.401658] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.406329] ? lock_downgrade+0x900/0x900 [ 393.410470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.416008] cache_grow_begin+0x91/0x8c0 [ 393.420060] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.424465] fallback_alloc+0x203/0x2e0 [ 393.428438] ____cache_alloc_node+0x1c7/0x1e0 [ 393.432926] kmem_cache_alloc_node+0xe3/0x730 [ 393.437414] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.441645] __alloc_skb+0x119/0x770 [ 393.445349] ? skb_scrub_packet+0x490/0x490 [ 393.449658] ? lock_downgrade+0x900/0x900 [ 393.453803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.459330] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.464773] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.470211] ? addrconf_rs_timer+0x690/0x690 [ 393.474617] ndisc_alloc_skb+0x144/0x340 [ 393.478673] ndisc_send_rs+0x331/0x6e0 [ 393.482552] addrconf_rs_timer+0x314/0x690 [ 393.486949] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.492483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.496784] call_timer_fn+0x272/0x920 [ 393.500664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.504903] ? process_timeout+0x40/0x40 [ 393.508957] ? trace_hardirqs_off+0xb8/0x310 [ 393.513355] ? kasan_check_read+0x11/0x20 [ 393.517502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.521900] ? trace_hardirqs_on+0x310/0x310 [ 393.526303] ? __run_timers+0x7da/0xc70 [ 393.530270] ? lock_downgrade+0x900/0x900 [ 393.534409] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.539511] ? trace_hardirqs_on+0xbd/0x310 [ 393.543823] ? kasan_check_read+0x11/0x20 [ 393.547970] ? __run_timers+0x7da/0xc70 [ 393.551936] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.557376] ? kasan_check_write+0x14/0x20 [ 393.561601] ? do_raw_spin_lock+0xc1/0x200 [ 393.565833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.570057] __run_timers+0x7e5/0xc70 [ 393.573857] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.579215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.584236] ? timerqueue_add+0x207/0x2b0 [ 393.588382] ? enqueue_hrtimer+0x1a5/0x560 [ 393.592608] ? lock_release+0x970/0x970 [ 393.596575] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.601766] ? kasan_check_write+0x14/0x20 [ 393.605997] ? pvclock_read_flags+0x160/0x160 [ 393.610900] ? lock_downgrade+0x900/0x900 [ 393.615045] ? trace_hardirqs_on+0xbd/0x310 [ 393.619358] ? kvm_sched_clock_read+0x9/0x20 [ 393.623759] ? irq_exit+0x17f/0x1c0 [ 393.627378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.632908] ? check_preemption_disabled+0x48/0x200 [ 393.637917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.643449] run_timer_softirq+0x52/0xb0 [ 393.647508] ? __this_cpu_preempt_check+0x1c/0x1f [ 393.652344] __do_softirq+0x30b/0xad8 [ 393.656142] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.661239] ? pvclock_read_flags+0x160/0x160 [ 393.665725] ? lapic_next_event+0x5a/0x90 [ 393.669865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.675395] ? clockevents_program_event+0x140/0x370 [ 393.680494] ? kvm_clock_read+0x18/0x30 [ 393.684468] ? kvm_sched_clock_read+0x9/0x20 [ 393.688869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.694396] ? check_preemption_disabled+0x48/0x200 [ 393.699409] irq_exit+0x17f/0x1c0 [ 393.702853] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.707690] ? smp_reschedule_interrupt+0x109/0x650 [ 393.712699] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.718572] ? interrupt_entry+0xb5/0xf0 [ 393.722624] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.727638] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.732646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.737485] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.742490] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.747497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.753026] ? check_preemption_disabled+0x48/0x200 [ 393.758034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.763567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.768403] apic_timer_interrupt+0xf/0x20 [ 393.772621] [ 393.774852] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.780279] 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 [ 393.799172] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.806874] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 393.814139] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 393.821400] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 393.829238] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 393.836496] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 393.843775] ? trace_hardirqs_on+0xb4/0x310 [ 393.848094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.853626] skb_clone+0x1bb/0x500 [ 393.857162] ? skb_split+0x11e0/0x11e0 [ 393.861042] ? check_preemption_disabled+0x48/0x200 [ 393.866052] ? __this_cpu_preempt_check+0x1c/0x1f [ 393.870887] ? __bpf_redirect+0x54b/0xb20 [ 393.875025] ? __switch_to_asm+0x34/0x70 [ 393.879081] bpf_clone_redirect+0xb9/0x490 [ 393.883313] bpf_prog_466abe619656067b+0x436/0x1000 [ 393.888325] ? __sched_text_start+0x8/0x8 [ 393.892470] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.897227] ? retint_kernel+0x2d/0x2d [ 393.901114] ? lock_acquire+0x1ed/0x520 [ 393.905078] ? bpf_test_run+0x32e/0x5a0 [ 393.909043] ? lock_downgrade+0x900/0x900 [ 393.913185] ? lock_release+0x970/0x970 [ 393.917156] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 393.922948] ? preempt_schedule_common+0x1f/0xd0 [ 393.927712] ? preempt_schedule+0x4d/0x60 [ 393.931850] ? ___preempt_schedule+0x16/0x18 [ 393.936254] ? bpf_test_run+0x1c0/0x5a0 [ 393.940223] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.944621] ? bpf_prog_test_run_skb+0x295/0xb40 [ 393.949368] ? bpf_prog_test_run_skb+0x634/0xb40 [ 393.954121] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.958957] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.964486] ? fput+0x130/0x1a0 [ 393.967756] ? __bpf_prog_get+0x9b/0x290 [ 393.971807] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.976641] ? bpf_prog_test_run+0x130/0x1a0 [ 393.981041] ? __x64_sys_bpf+0x3d8/0x510 [ 393.985094] ? bpf_prog_get+0x20/0x20 [ 393.988897] ? do_syscall_64+0x1b9/0x820 [ 393.992950] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.998309] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.003229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.008065] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.013072] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 394.018079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.023092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.027928] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.033285] warn_alloc_show_mem: 1 callbacks suppressed [ 394.033294] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 394.033296] Mem-Info: [ 394.033324] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 394.033324] active_file:98 inactive_file:120 isolated_file:0 [ 394.033324] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.033324] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 394.033324] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 394.033324] free:13602 free_pcp:142 free_cma:0 [ 394.038658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.045576] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.047960] Call Trace: [ 394.081248] Node 0 [ 394.090650] [ 394.118315] 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 [ 394.120980] dump_stack+0x1c4/0x2b4 [ 394.123184] lowmem_reserve[]: [ 394.125319] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.150785] 0 [ 394.154403] warn_alloc.cold.119+0xb7/0x1bd [ 394.157475] 2819 [ 394.162652] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.164429] 6323 [ 394.168733] ? lock_downgrade+0x900/0x900 [ 394.170762] 6323 [ 394.175592] ? trace_hardirqs_off+0xb8/0x310 [ 394.181758] ? trace_hardirqs_off+0xb8/0x310 [ 394.183791] Node 0 [ 394.188186] __alloc_pages_slowpath+0x2667/0x2d80 [ 394.192586] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 394.194802] ? warn_alloc+0x120/0x120 [ 394.199603] lowmem_reserve[]: [ 394.226132] ? trace_hardirqs_on+0x310/0x310 [ 394.229898] 0 [ 394.232988] ? warn_alloc+0x120/0x120 [ 394.237361] 0 [ 394.239152] ? warn_alloc+0x120/0x120 [ 394.242928] 3503 3503 [ 394.244721] ? ktime_get+0x2e1/0x440 [ 394.250968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.254648] Node 0 [ 394.260169] ? check_preemption_disabled+0x48/0x200 [ 394.260201] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 394.262399] ? kasan_check_read+0x11/0x20 [ 394.267391] lowmem_reserve[]: [ 394.295840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.299956] 0 [ 394.303045] ? should_fail+0x22d/0xd01 [ 394.308550] 0 [ 394.310337] ? rcu_bh_qs+0xc0/0xc0 [ 394.314192] 0 [ 394.315978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.319485] 0 [ 394.321273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.328127] ? should_fail+0x22d/0xd01 [ 394.333633] Node 0 DMA: [ 394.337501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.337515] ? should_fail+0x22d/0xd01 [ 394.340160] 1*4kB [ 394.345246] ? rcu_idle_enter+0x4b0/0x4b0 [ 394.349099] (U) [ 394.351239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.355355] 0*8kB [ 394.357317] ? mark_held_locks+0x130/0x130 [ 394.362391] 0*16kB [ 394.364534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.368733] 1*32kB [ 394.370956] ? mark_held_locks+0x130/0x130 [ 394.376458] (U) [ 394.378682] ? rcu_irq_exit+0xce/0x100 [ 394.382884] 2*64kB [ 394.384844] ? irq_exit+0xbd/0x1c0 [ 394.388699] (U) [ 394.390922] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.394443] 1*128kB [ 394.396413] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.401401] (U) [ 394.403710] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.408098] 1*256kB [ 394.410058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.415925] (U) [ 394.418230] ? ret_from_intr+0xb/0x1e [ 394.423735] 0*512kB [ 394.425693] ? retint_kernel+0x2d/0x2d [ 394.429461] 1*1024kB [ 394.431768] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.435637] (U) [ 394.438038] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.442936] 1*2048kB [ 394.444895] ? trace_hardirqs_off+0x310/0x310 [ 394.449618] (M) [ 394.452033] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.456500] 3*4096kB [ 394.458467] __alloc_pages_nodemask+0xa80/0xde0 [ 394.463538] (M) [ 394.465935] ? should_fail+0x22d/0xd01 [ 394.470571] = 15908kB [ 394.472533] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.476394] Node 0 [ 394.478799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.483776] DMA32: [ 394.485997] ? lock_downgrade+0x900/0x900 [ 394.490632] 5*4kB [ 394.492856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.496968] (UM) [ 394.499106] cache_grow_begin+0x91/0x8c0 [ 394.504610] 0*8kB [ 394.506659] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.510689] 5*16kB [ 394.512826] fallback_alloc+0x203/0x2e0 [ 394.517203] (UMH) [ 394.519428] ____cache_alloc_node+0x1c7/0x1e0 [ 394.523372] 5*32kB [ 394.525515] kmem_cache_alloc_node+0xe3/0x730 [ 394.529974] (UMH) [ 394.532207] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.536668] 7*64kB [ 394.538804] __alloc_skb+0x119/0x770 [ 394.543007] (UM) [ 394.545227] ? skb_scrub_packet+0x490/0x490 [ 394.548912] 4*128kB [ 394.550957] ? lock_downgrade+0x900/0x900 [ 394.555246] (UM) [ 394.557558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.561689] 5*256kB [ 394.563739] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.569253] (UMH) [ 394.571565] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.576982] 4*512kB [ 394.579137] ? addrconf_rs_timer+0x690/0x690 [ 394.584559] (UM) [ 394.586872] ndisc_alloc_skb+0x144/0x340 [ 394.591258] 4*1024kB [ 394.593310] ndisc_send_rs+0x331/0x6e0 [ 394.597341] (UMH) [ 394.599736] addrconf_rs_timer+0x314/0x690 [ 394.603591] 4*2048kB (UM) [ 394.605738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.609934] 2*4096kB (M) [ 394.612776] call_timer_fn+0x272/0x920 [ 394.616975] = 25028kB [ 394.619717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.623571] Node 0 [ 394.625967] ? process_timeout+0x40/0x40 [ 394.630163] Normal: 809*4kB [ 394.632396] ? trace_hardirqs_off+0xb8/0x310 [ 394.636427] (UMEH) [ 394.639430] ? kasan_check_read+0x11/0x20 [ 394.643810] 372*8kB [ 394.646035] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.650151] (UMEH) [ 394.652460] ? trace_hardirqs_on+0x310/0x310 [ 394.656835] 191*16kB [ 394.659055] ? __run_timers+0x7da/0xc70 [ 394.663435] (UMEH) [ 394.665828] ? lock_downgrade+0x900/0x900 [ 394.669768] 81*32kB [ 394.672093] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.676210] (UME) [ 394.678517] ? trace_hardirqs_on+0xbd/0x310 [ 394.683588] 21*64kB [ 394.685721] ? kasan_check_read+0x11/0x20 [ 394.690010] (UMH) [ 394.692324] ? __run_timers+0x7da/0xc70 [ 394.696440] 3*128kB [ 394.698576] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.702523] (UH) [ 394.704832] ? kasan_check_write+0x14/0x20 [ 394.710251] 0*256kB 0*512kB [ 394.712305] ? do_raw_spin_lock+0xc1/0x200 [ 394.716510] 0*1024kB [ 394.719514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.723719] 0*2048kB [ 394.726111] __run_timers+0x7e5/0xc70 [ 394.730322] 0*4096kB [ 394.732723] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.736493] = 13588kB [ 394.738888] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.744231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.746630] ? timerqueue_add+0x207/0x2b0 [ 394.751614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.760432] ? enqueue_hrtimer+0x1a5/0x560 [ 394.764550] 348 total pagecache pages [ 394.773108] ? lock_release+0x970/0x970 [ 394.777314] 0 pages in swap cache [ 394.781099] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.785136] Swap cache stats: add 0, delete 0, find 0/0 [ 394.788572] ? kasan_check_write+0x14/0x20 [ 394.793730] Free swap = 0kB [ 394.799077] ? pvclock_read_flags+0x160/0x160 [ 394.803281] Total swap = 0kB [ 394.806284] ? lock_downgrade+0x900/0x900 [ 394.810746] 1965979 pages RAM [ 394.813748] ? trace_hardirqs_on+0xbd/0x310 [ 394.817865] 0 pages HighMem/MovableOnly [ 394.820952] ? kvm_sched_clock_read+0x9/0x20 [ 394.825244] 342307 pages reserved [ 394.829200] ? irq_exit+0x17f/0x1c0 [ 394.833576] 0 pages cma reserved [ 394.837012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.840652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.843962] ? check_preemption_disabled+0x48/0x200 [ 394.849521] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.855946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.860928] syz-executor3 cpuset= [ 394.871398] run_timer_softirq+0x52/0xb0 [ 394.876906] syz3 [ 394.880344] ? __this_cpu_preempt_check+0x1c/0x1f [ 394.884377] mems_allowed=0 [ 394.886337] __do_softirq+0x30b/0xad8 [ 394.897850] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.902949] ? pvclock_read_flags+0x160/0x160 [ 394.907444] ? lapic_next_event+0x5a/0x90 [ 394.911581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.917116] ? clockevents_program_event+0x140/0x370 [ 394.922214] ? kvm_clock_read+0x18/0x30 [ 394.926176] ? kvm_sched_clock_read+0x9/0x20 [ 394.930667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.936200] ? check_preemption_disabled+0x48/0x200 [ 394.941218] irq_exit+0x17f/0x1c0 [ 394.944667] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.949503] ? smp_reschedule_interrupt+0x109/0x650 [ 394.954511] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.960385] ? interrupt_entry+0xb5/0xf0 [ 394.964442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.969451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.974457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.979288] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.984293] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.989301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.994831] ? check_preemption_disabled+0x48/0x200 [ 394.999837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.005374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.010213] apic_timer_interrupt+0xf/0x20 [ 395.014437] [ 395.016666] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 395.021848] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 395.040740] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.048439] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 395.055700] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 395.062957] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 395.070216] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 395.077478] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 395.084751] ? trace_hardirqs_on+0x9a/0x310 [ 395.089064] ? trace_hardirqs_on+0xb4/0x310 [ 395.093397] retint_kernel+0x1b/0x2d [ 395.097107] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 395.102375] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 395.121270] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 395.128971] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 395.136229] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 395.143486] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 395.150834] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 395.158090] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 395.165366] ? trace_hardirqs_on+0x9a/0x310 [ 395.169683] ? arch_local_irq_restore+0x45/0x52 [ 395.174355] dump_stack+0x26a/0x2b4 [ 395.177974] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.183157] ? mark_held_locks+0x130/0x130 [ 395.187383] ? mark_held_locks+0x130/0x130 [ 395.191616] dump_header+0x27b/0xf72 [ 395.195328] ? rcu_read_unlock+0x16/0x60 [ 395.199381] ? pagefault_out_of_memory+0x197/0x197 [ 395.204305] ? mark_held_locks+0x130/0x130 [ 395.208534] ? percpu_ref_put_many+0x13e/0x260 [ 395.213108] ? mem_cgroup_charge_statistics+0x780/0x780 [ 395.218470] ? mem_cgroup_iter+0x1f7/0x1160 [ 395.222782] ? mark_held_locks+0x130/0x130 [ 395.227013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.232541] ? task_will_free_mem+0x239/0xb30 [ 395.237038] ? ___ratelimit+0x36f/0x655 [ 395.241003] ? lock_downgrade+0x900/0x900 [ 395.245145] ? trace_hardirqs_on+0xbd/0x310 [ 395.249458] ? kasan_check_read+0x11/0x20 [ 395.253602] ? ___ratelimit+0x36f/0x655 [ 395.257567] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.263013] ? trace_hardirqs_on+0x310/0x310 [ 395.267532] ? lock_downgrade+0x900/0x900 [ 395.271676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.276772] ? ___ratelimit+0xaa/0x655 [ 395.280650] ? idr_get_free+0xec0/0xec0 [ 395.284615] ? kasan_check_write+0x14/0x20 [ 395.288842] ? do_raw_spin_lock+0xc1/0x200 [ 395.293075] oom_kill_process.cold.27+0x10/0x903 [ 395.297824] ? lock_downgrade+0x900/0x900 [ 395.301984] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.307776] ? oom_evaluate_task+0x540/0x540 [ 395.312188] ? oom_unkillable_task+0x383/0x580 [ 395.316761] ? out_of_memory+0x974/0x1430 [ 395.320899] ? lock_downgrade+0x900/0x900 [ 395.325045] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.330835] ? __cpuset_node_allowed+0x19b/0x660 [ 395.335587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.341114] ? oom_evaluate_task+0x302/0x540 [ 395.345515] out_of_memory+0xa84/0x1430 [ 395.349483] ? oom_killer_disable+0x3a0/0x3a0 [ 395.353970] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 395.358893] ? __mutex_add_waiter+0x2a0/0x2a0 [ 395.363393] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.368401] ? find_next_bit+0x104/0x130 [ 395.372455] __alloc_pages_slowpath+0x2318/0x2d80 [ 395.377313] ? warn_alloc+0x120/0x120 [ 395.381104] ? __radix_tree_lookup+0x4c0/0x4c0 [ 395.385683] ? find_get_entry+0x2f2/0xc40 [ 395.389828] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 395.394750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.400275] ? should_fail+0x22d/0xd01 [ 395.404163] ? ___might_sleep+0x1ed/0x300 [ 395.408297] ? lock_release+0x970/0x970 [ 395.412268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.417363] ? debug_smp_processor_id+0x1c/0x20 [ 395.422027] ? __might_sleep+0x95/0x190 [ 395.425993] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 395.430828] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.435839] ? lock_downgrade+0x900/0x900 [ 395.439978] ? ___might_sleep+0x1ed/0x300 [ 395.444116] ? lock_release+0x970/0x970 [ 395.448082] ? arch_local_save_flags+0x40/0x40 [ 395.452658] ? finish_task_switch+0x1f5/0x900 [ 395.457151] ? __might_sleep+0x95/0x190 [ 395.461120] __alloc_pages_nodemask+0xa80/0xde0 [ 395.465783] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.470793] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.476579] ? mark_held_locks+0x130/0x130 [ 395.480803] ? kasan_check_write+0x14/0x20 [ 395.485029] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 395.489695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.495222] ? __do_page_cache_readahead+0x7ce/0x980 [ 395.500328] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 395.505854] alloc_pages_current+0x10c/0x210 [ 395.510252] ? lock_downgrade+0x900/0x900 [ 395.514390] __page_cache_alloc+0x38f/0x5b0 [ 395.518701] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.524487] ? ext4_filemap_fault+0x82/0xad [ 395.528798] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 395.533455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.538981] ? check_preemption_disabled+0x48/0x200 [ 395.543994] filemap_fault+0x1594/0x25f0 [ 395.548053] ? __lock_page_or_retry+0xa00/0xa00 [ 395.552721] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.558520] ? lock_downgrade+0x900/0x900 [ 395.562661] ? trace_hardirqs_on+0xbd/0x310 [ 395.566984] ? kasan_check_read+0x11/0x20 [ 395.571125] ? __free_object+0x173/0x340 [ 395.575181] ? filemap_map_pages+0xdea/0x1980 [ 395.579670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.584768] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 395.590032] ? debug_object_free+0x325/0x690 [ 395.594446] ? find_get_pages_range_tag+0x1320/0x1320 [ 395.599627] ? do_raw_spin_lock+0xc1/0x200 [ 395.603855] ? kasan_check_read+0x11/0x20 [ 395.607996] ? debug_object_destroy+0x2b0/0x2b0 [ 395.613143] ? kasan_check_write+0x14/0x20 [ 395.617376] ? lock_acquire+0x1ed/0x520 [ 395.621347] ? ext4_filemap_fault+0x7a/0xad [ 395.625660] ? lock_release+0x970/0x970 [ 395.629628] ? arch_local_save_flags+0x40/0x40 [ 395.634224] ? futex_wait_setup+0x3e0/0x3e0 [ 395.638546] ? down_read+0xb0/0x1d0 [ 395.642166] ? ext4_filemap_fault+0x7a/0xad [ 395.646488] ? __down_interruptible+0x700/0x700 [ 395.651155] ext4_filemap_fault+0x82/0xad [ 395.655299] __do_fault+0x100/0x6b0 [ 395.658918] ? print_bad_pte+0x6c0/0x6c0 [ 395.662968] ? do_futex+0x249/0x26d0 [ 395.666674] ? pmd_val+0x88/0x100 [ 395.670119] ? add_mm_counter_fast+0xd0/0xd0 [ 395.674515] ? pmd_val+0x88/0x100 [ 395.677974] ? add_mm_counter_fast+0xd0/0xd0 [ 395.682375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.687904] __handle_mm_fault+0x3709/0x53e0 [ 395.692304] ? perf_trace_lock+0x14d/0x7a0 [ 395.696532] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 395.701373] ? ksys_dup3+0x680/0x680 [ 395.705075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.710603] ? should_fail+0x22d/0xd01 [ 395.714488] ? lock_acquire+0x1ed/0x520 [ 395.718461] ? handle_mm_fault+0x42a/0xc70 [ 395.722685] ? lock_downgrade+0x900/0x900 [ 395.726828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.732615] ? lock_downgrade+0x900/0x900 [ 395.736772] ? __do_page_fault+0x67d/0xed0 [ 395.740999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.746438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.751967] ? check_preemption_disabled+0x48/0x200 [ 395.756981] handle_mm_fault+0x54f/0xc70 [ 395.761036] ? __handle_mm_fault+0x53e0/0x53e0 [ 395.765612] ? find_vma+0x34/0x190 [ 395.769142] __do_page_fault+0x67d/0xed0 [ 395.773196] ? mm_fault_error+0x380/0x380 [ 395.777336] ? trace_hardirqs_off+0xb8/0x310 [ 395.781990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.787349] ? trace_hardirqs_on+0x310/0x310 [ 395.791753] do_page_fault+0xf2/0x7e0 [ 395.795551] ? vmalloc_sync_all+0x30/0x30 [ 395.799691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.805215] ? error_entry+0x70/0xd0 [ 395.808918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.813923] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.818843] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.823762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.828593] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.833596] ? trace_hardirqs_off+0x310/0x310 [ 395.838084] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.843091] ? page_fault+0x8/0x30 [ 395.846626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.851475] ? page_fault+0x8/0x30 [ 395.855022] page_fault+0x1e/0x30 [ 395.858466] RIP: 0033:0x40f9c0 [ 395.861653] Code: Bad RIP value. [ 395.865007] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 395.870362] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 395.877622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 395.884878] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 395.892136] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 395.899397] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 395.906669] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 395.906713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.914027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.914031] Call Trace: [ 395.914036] [ 395.914051] dump_stack+0x1c4/0x2b4 [ 395.914067] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.920604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.929878] warn_alloc.cold.119+0xb7/0x1bd [ 395.932428] syz-fuzzer cpuset= [ 395.934560] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.938156] / [ 395.943331] ? lock_downgrade+0x900/0x900 [ 395.953525] mems_allowed=0 [ 395.974568] ? trace_hardirqs_off+0xb8/0x310 [ 395.978969] ? trace_hardirqs_off+0xb8/0x310 [ 395.983371] __alloc_pages_slowpath+0x2667/0x2d80 [ 395.988222] ? warn_alloc+0x120/0x120 [ 395.992025] ? trace_hardirqs_on+0x310/0x310 [ 395.996425] ? warn_alloc+0x120/0x120 [ 396.000219] ? warn_alloc+0x120/0x120 [ 396.004020] ? ktime_get+0x2e1/0x440 [ 396.007727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.013263] ? check_preemption_disabled+0x48/0x200 [ 396.018277] ? kasan_check_read+0x11/0x20 [ 396.022415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.027940] ? should_fail+0x22d/0xd01 [ 396.031819] ? rcu_bh_qs+0xc0/0xc0 [ 396.035349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.040442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.045968] ? should_fail+0x22d/0xd01 [ 396.049852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.054962] ? should_fail+0x22d/0xd01 [ 396.058838] ? rcu_idle_enter+0x4b0/0x4b0 [ 396.062979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.068077] ? mark_held_locks+0x130/0x130 [ 396.072301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.077826] ? mark_held_locks+0x130/0x130 [ 396.082050] ? rcu_irq_exit+0xce/0x100 [ 396.085931] ? irq_exit+0xbd/0x1c0 [ 396.089463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.094471] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.098873] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.104747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.110278] ? ret_from_intr+0xb/0x1e [ 396.114069] ? retint_kernel+0x2d/0x2d [ 396.117952] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.122875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.127621] ? trace_hardirqs_off+0x310/0x310 [ 396.132109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.137210] __alloc_pages_nodemask+0xa80/0xde0 [ 396.141877] ? should_fail+0x22d/0xd01 [ 396.145764] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 396.150784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.155443] ? lock_downgrade+0x900/0x900 [ 396.159587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.165121] cache_grow_begin+0x91/0x8c0 [ 396.169175] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.173579] fallback_alloc+0x203/0x2e0 [ 396.177549] ____cache_alloc_node+0x1c7/0x1e0 [ 396.182041] kmem_cache_alloc_node+0xe3/0x730 [ 396.186529] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.190756] __alloc_skb+0x119/0x770 [ 396.194464] ? skb_scrub_packet+0x490/0x490 [ 396.198774] ? lock_downgrade+0x900/0x900 [ 396.202916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.208448] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.213891] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.219331] ? addrconf_rs_timer+0x690/0x690 [ 396.223738] ndisc_alloc_skb+0x144/0x340 [ 396.227793] ndisc_send_rs+0x331/0x6e0 [ 396.231673] addrconf_rs_timer+0x314/0x690 [ 396.235895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.241423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.245654] call_timer_fn+0x272/0x920 [ 396.249533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.253760] ? process_timeout+0x40/0x40 [ 396.257810] ? trace_hardirqs_off+0xb8/0x310 [ 396.262207] ? kasan_check_read+0x11/0x20 [ 396.266350] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.270751] ? trace_hardirqs_on+0x310/0x310 [ 396.275153] ? __run_timers+0x7da/0xc70 [ 396.279125] ? lock_downgrade+0x900/0x900 [ 396.283266] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.288364] ? trace_hardirqs_on+0xbd/0x310 [ 396.292675] ? kasan_check_read+0x11/0x20 [ 396.296816] ? __run_timers+0x7da/0xc70 [ 396.300782] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.306234] ? kasan_check_write+0x14/0x20 [ 396.310463] ? do_raw_spin_lock+0xc1/0x200 [ 396.314695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.318924] __run_timers+0x7e5/0xc70 [ 396.322721] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.328079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.333087] ? timerqueue_add+0x207/0x2b0 [ 396.337236] ? enqueue_hrtimer+0x1a5/0x560 [ 396.341462] ? lock_release+0x970/0x970 [ 396.345427] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.350613] ? kasan_check_write+0x14/0x20 [ 396.354842] ? pvclock_read_flags+0x160/0x160 [ 396.359333] ? lock_downgrade+0x900/0x900 [ 396.363478] ? trace_hardirqs_on+0xbd/0x310 [ 396.367790] ? kvm_sched_clock_read+0x9/0x20 [ 396.372189] ? irq_exit+0x17f/0x1c0 [ 396.375814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.381348] ? check_preemption_disabled+0x48/0x200 [ 396.386353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.391883] run_timer_softirq+0x52/0xb0 [ 396.395935] ? __this_cpu_preempt_check+0x1c/0x1f [ 396.400771] __do_softirq+0x30b/0xad8 [ 396.404570] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.409666] ? pvclock_read_flags+0x160/0x160 [ 396.414152] ? lapic_next_event+0x5a/0x90 [ 396.418290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.423816] ? clockevents_program_event+0x140/0x370 [ 396.428911] ? kvm_clock_read+0x18/0x30 [ 396.432877] ? kvm_sched_clock_read+0x9/0x20 [ 396.437294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.442821] ? check_preemption_disabled+0x48/0x200 [ 396.447835] irq_exit+0x17f/0x1c0 [ 396.451281] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.456131] ? smp_reschedule_interrupt+0x109/0x650 [ 396.461138] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.467016] ? interrupt_entry+0xb5/0xf0 [ 396.471070] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.476083] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.481096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.485931] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.490937] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.495947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.501476] ? check_preemption_disabled+0x48/0x200 [ 396.506486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.512020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.516860] apic_timer_interrupt+0xf/0x20 [ 396.521082] [ 396.523313] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.528234] 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 [ 396.547125] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.554823] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 396.562081] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 396.569340] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 396.576600] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 396.583857] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 396.591130] ? trace_hardirqs_on+0xb4/0x310 [ 396.595446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.600982] skb_clone+0x1bb/0x500 [ 396.604514] ? skb_split+0x11e0/0x11e0 [ 396.608395] ? check_preemption_disabled+0x48/0x200 [ 396.613410] ? __this_cpu_preempt_check+0x1c/0x1f [ 396.618248] ? __bpf_redirect+0x54b/0xb20 [ 396.622389] ? __switch_to_asm+0x34/0x70 [ 396.626449] bpf_clone_redirect+0xb9/0x490 [ 396.630682] bpf_prog_466abe619656067b+0x436/0x1000 [ 396.635696] ? __sched_text_start+0x8/0x8 [ 396.639835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.644585] ? retint_kernel+0x2d/0x2d [ 396.648468] ? lock_acquire+0x1ed/0x520 [ 396.652433] ? bpf_test_run+0x32e/0x5a0 [ 396.656397] ? lock_downgrade+0x900/0x900 [ 396.660537] ? lock_release+0x970/0x970 [ 396.664504] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 396.670310] ? preempt_schedule_common+0x1f/0xd0 [ 396.675057] ? preempt_schedule+0x4d/0x60 [ 396.679211] ? ___preempt_schedule+0x16/0x18 [ 396.683614] ? bpf_test_run+0x1c0/0x5a0 [ 396.687585] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.691999] ? bpf_prog_test_run_skb+0x295/0xb40 [ 396.696747] ? bpf_prog_test_run_skb+0x634/0xb40 [ 396.701498] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.706332] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.711858] ? fput+0x130/0x1a0 [ 396.715133] ? __bpf_prog_get+0x9b/0x290 [ 396.719192] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.724026] ? bpf_prog_test_run+0x130/0x1a0 [ 396.728428] ? __x64_sys_bpf+0x3d8/0x510 [ 396.732482] ? bpf_prog_get+0x20/0x20 [ 396.736286] ? do_syscall_64+0x1b9/0x820 [ 396.740341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.745699] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.750620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.755458] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.760467] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.765476] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.770488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.775323] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.780680] warn_alloc_show_mem: 1 callbacks suppressed [ 396.780689] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 396.780691] Mem-Info: [ 396.780719] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 396.780719] active_file:98 inactive_file:120 isolated_file:0 [ 396.780719] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.780719] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 396.780719] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 396.780719] free:13602 free_pcp:142 free_cma:0 [ 396.786052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.792975] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.795359] Call Trace: [ 396.828299] Node 0 [ 396.837633] [ 396.865299] 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 [ 396.867847] dump_stack+0x1c4/0x2b4 [ 396.870063] lowmem_reserve[]: [ 396.872204] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.897695] 0 [ 396.901320] ? debug_smp_processor_id+0x1c/0x20 [ 396.904392] 2819 [ 396.909568] warn_alloc.cold.119+0xb7/0x1bd [ 396.911339] 6323 [ 396.915992] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.918020] 6323 [ 396.922340] ? lock_downgrade+0x900/0x900 [ 396.929200] ? trace_hardirqs_off+0xb8/0x310 [ 396.931245] Node 0 [ 396.935376] ? trace_hardirqs_off+0xb8/0x310 [ 396.939776] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 396.941978] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.946352] lowmem_reserve[]: [ 396.972891] ? warn_alloc+0x120/0x120 [ 396.977690] 0 [ 396.980780] ? debug_object_activate+0x402/0x600 [ 396.984547] 0 [ 396.986335] ? warn_alloc+0x120/0x120 [ 396.991069] 3503 [ 396.992863] ? debug_object_assert_init+0x4b0/0x4b0 [ 396.996631] 3503 [ 396.998679] ? warn_alloc+0x120/0x120 [ 397.005713] ? mark_held_locks+0x130/0x130 [ 397.009483] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 397.013719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.013734] ? should_fail+0x22d/0xd01 [ 397.042766] lowmem_reserve[]: [ 397.048294] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.052146] 0 [ 397.055241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.060395] 0 [ 397.062188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.067263] 0 [ 397.069048] ? should_fail+0x22d/0xd01 [ 397.074549] 0 [ 397.076340] ? kasan_check_write+0x14/0x20 [ 397.080193] Node 0 [ 397.081981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.086183] DMA: [ 397.088405] ? should_fail+0x22d/0xd01 [ 397.093475] 1*4kB [ 397.095520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.099374] (U) [ 397.101512] ? lock_downgrade+0x900/0x900 [ 397.106585] 0*8kB [ 397.108542] ? mark_held_locks+0x130/0x130 [ 397.112657] 0*16kB [ 397.114788] ? mark_held_locks+0x130/0x130 [ 397.118991] 1*32kB [ 397.121329] ? update_stack_state+0x1a5/0x690 [ 397.126309] (U) [ 397.128529] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.132990] 2*64kB [ 397.134949] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 397.139929] (U) [ 397.142159] ? is_bpf_text_address+0xac/0x170 [ 397.146879] 1*128kB [ 397.148855] ? lock_downgrade+0x900/0x900 [ 397.153318] (U) [ 397.155627] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.159742] 1*256kB [ 397.161712] __alloc_pages_nodemask+0xa80/0xde0 [ 397.167474] (U) [ 397.169781] ? should_fail+0x22d/0xd01 [ 397.174419] 0*512kB [ 397.176380] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.180234] 1*1024kB [ 397.182537] ? trace_hardirqs_on+0xbd/0x310 [ 397.187519] (U) [ 397.189919] ? kasan_check_write+0x14/0x20 [ 397.194209] 1*2048kB [ 397.196174] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.200381] (M) [ 397.202779] ? lock_downgrade+0x900/0x900 [ 397.207418] 3*4096kB [ 397.209395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.213512] (M) [ 397.215913] cache_grow_begin+0x91/0x8c0 [ 397.221416] = 15908kB [ 397.223374] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.227413] Node 0 [ 397.229807] fallback_alloc+0x203/0x2e0 [ 397.234181] DMA32: [ 397.236430] ____cache_alloc_node+0x1c7/0x1e0 [ 397.240378] 5*4kB [ 397.242601] kmem_cache_alloc_node+0xe3/0x730 [ 397.247074] (UM) [ 397.249212] __alloc_skb+0x119/0x770 [ 397.253673] 0*8kB [ 397.255734] ? skb_scrub_packet+0x490/0x490 [ 397.259417] 5*16kB [ 397.261551] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 397.265840] (UMH) [ 397.268060] ? queue_work_on+0x12c/0x1e0 [ 397.272611] 5*32kB [ 397.274854] ? switchdev_port_obj_del+0xdc/0x450 [ 397.278884] (UMH) [ 397.281103] ? switchdev_trans_item_enqueue+0x260/0x260 [ 397.285827] 7*64kB [ 397.287971] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.293310] (UM) [ 397.295537] __br_mdb_notify+0x4ff/0x15d0 [ 397.300519] 4*128kB [ 397.302568] ? __br_mdb_add+0x800/0x800 [ 397.306680] (UM) [ 397.308985] ? kasan_check_write+0x14/0x20 [ 397.312927] 5*256kB [ 397.314976] ? do_raw_spin_lock+0xc1/0x200 [ 397.319176] (UMH) [ 397.321481] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.325697] 4*512kB [ 397.327832] ? debug_object_assert_init+0x368/0x4b0 [ 397.332915] (UM) [ 397.335220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.340201] 4*1024kB [ 397.342244] ? debug_object_init_on_stack+0x20/0x20 [ 397.347660] (UMH) [ 397.350056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.355038] 4*2048kB [ 397.357171] br_mdb_notify+0x310/0x410 [ 397.362674] (UM) [ 397.365067] ? br_mdb_dump+0x2530/0x2530 [ 397.368923] 2*4096kB [ 397.370970] br_multicast_del_pg+0x3df/0x790 [ 397.374995] (M) [ 397.377395] ? br_mdb_ip_get+0x940/0x940 [ 397.381769] = 25028kB [ 397.383729] ? kasan_check_write+0x14/0x20 [ 397.387760] Node 0 [ 397.390160] ? do_raw_spin_lock+0xc1/0x200 [ 397.394362] Normal: [ 397.396584] br_multicast_port_group_expired+0x189/0x1e0 [ 397.400785] 809*4kB [ 397.403093] call_timer_fn+0x272/0x920 [ 397.408506] (UMEH) [ 397.410811] ? br_multicast_del_pg+0x790/0x790 [ 397.414688] 372*8kB [ 397.416910] ? process_timeout+0x40/0x40 [ 397.421459] (UMEH) [ 397.423769] ? trace_hardirqs_off+0xb8/0x310 [ 397.427798] 191*16kB [ 397.430016] ? kasan_check_read+0x11/0x20 [ 397.434390] (UMEH) [ 397.436785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.440903] 81*32kB [ 397.443130] ? trace_hardirqs_on+0x310/0x310 [ 397.447508] (UME) [ 397.449814] ? __run_timers+0x7da/0xc70 [ 397.454189] 21*64kB [ 397.456320] ? lock_downgrade+0x900/0x900 [ 397.460262] (UMH) [ 397.462580] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.466697] 3*128kB [ 397.468832] ? trace_hardirqs_on+0xbd/0x310 [ 397.473899] (UH) [ 397.476207] ? kasan_check_read+0x11/0x20 [ 397.480496] 0*256kB [ 397.482542] ? __run_timers+0x7da/0xc70 [ 397.486656] 0*512kB [ 397.488959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.492906] 0*1024kB [ 397.495211] ? kasan_check_write+0x14/0x20 [ 397.500630] 0*2048kB [ 397.503022] ? do_raw_spin_lock+0xc1/0x200 [ 397.507225] 0*4096kB [ 397.509617] ? br_multicast_del_pg+0x790/0x790 [ 397.513817] = 13588kB [ 397.516209] __run_timers+0x7e5/0xc70 [ 397.520762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.523151] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.526921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.535736] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.541068] 348 total pagecache pages [ 397.549629] ? timerqueue_add+0x207/0x2b0 [ 397.554613] 0 pages in swap cache [ 397.558396] ? enqueue_hrtimer+0x1a5/0x560 [ 397.562515] Swap cache stats: add 0, delete 0, find 0/0 [ 397.565948] ? lock_release+0x970/0x970 [ 397.570151] Free swap = 0kB [ 397.575494] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.579438] Total swap = 0kB [ 397.582441] ? kasan_check_write+0x14/0x20 [ 397.587599] 1965979 pages RAM [ 397.590599] ? pvclock_read_flags+0x160/0x160 [ 397.594801] 0 pages HighMem/MovableOnly [ 397.597889] ? lock_downgrade+0x900/0x900 [ 397.602351] 342307 pages reserved [ 397.606313] ? trace_hardirqs_on+0xbd/0x310 [ 397.610695] 0 pages cma reserved [ 397.610764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.614150] ? kvm_sched_clock_read+0x9/0x20 [ 397.618491] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.621786] ? irq_exit+0x17f/0x1c0 [ 397.628246] syz-executor3 cpuset= [ 397.632641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.643089] syz3 [ 397.646706] ? check_preemption_disabled+0x48/0x200 [ 397.650127] mems_allowed=0 [ 397.655644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.671036] run_timer_softirq+0x52/0xb0 [ 397.675087] ? __this_cpu_preempt_check+0x1c/0x1f [ 397.679926] __do_softirq+0x30b/0xad8 [ 397.683823] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.688920] ? pvclock_read_flags+0x160/0x160 [ 397.693422] ? lapic_next_event+0x5a/0x90 [ 397.697578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.703110] ? clockevents_program_event+0x140/0x370 [ 397.708204] ? kvm_clock_read+0x18/0x30 [ 397.712165] ? kvm_sched_clock_read+0x9/0x20 [ 397.716562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.722091] ? check_preemption_disabled+0x48/0x200 [ 397.727131] irq_exit+0x17f/0x1c0 [ 397.730572] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.735403] ? smp_reschedule_interrupt+0x109/0x650 [ 397.740412] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.746283] ? interrupt_entry+0xb5/0xf0 [ 397.750338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.755368] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.760379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.765210] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.770214] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.775220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.781105] ? check_preemption_disabled+0x48/0x200 [ 397.786119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.791651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.796491] apic_timer_interrupt+0xf/0x20 [ 397.800715] [ 397.802945] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 397.808127] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 397.827014] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 397.834713] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 397.841971] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 397.849316] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 397.856578] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 397.863836] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 397.871111] ? trace_hardirqs_on+0x9a/0x310 [ 397.875421] ? trace_hardirqs_on+0xb4/0x310 [ 397.879737] retint_kernel+0x1b/0x2d [ 397.883444] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 397.888709] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 397.907598] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 397.915296] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 397.922552] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 397.929811] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 397.937069] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 397.944341] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 397.951606] ? trace_hardirqs_on+0x9a/0x310 [ 397.955918] ? arch_local_irq_restore+0x45/0x52 [ 397.960584] dump_stack+0x26a/0x2b4 [ 397.964224] ? dump_stack_print_info.cold.2+0x52/0x52 [ 397.969406] ? mark_held_locks+0x130/0x130 [ 397.973627] ? mark_held_locks+0x130/0x130 [ 397.977857] dump_header+0x27b/0xf72 [ 397.981563] ? rcu_read_unlock+0x16/0x60 [ 397.985615] ? pagefault_out_of_memory+0x197/0x197 [ 397.990538] ? mark_held_locks+0x130/0x130 [ 397.994762] ? percpu_ref_put_many+0x13e/0x260 [ 397.999344] ? mem_cgroup_charge_statistics+0x780/0x780 [ 398.004813] ? mem_cgroup_iter+0x1f7/0x1160 [ 398.009124] ? mark_held_locks+0x130/0x130 [ 398.013356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.018881] ? task_will_free_mem+0x239/0xb30 [ 398.023376] ? ___ratelimit+0x36f/0x655 [ 398.027344] ? lock_downgrade+0x900/0x900 [ 398.031486] ? trace_hardirqs_on+0xbd/0x310 [ 398.035793] ? kasan_check_read+0x11/0x20 [ 398.039932] ? ___ratelimit+0x36f/0x655 [ 398.043911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.049356] ? trace_hardirqs_on+0x310/0x310 [ 398.053753] ? lock_downgrade+0x900/0x900 [ 398.057901] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.062996] ? ___ratelimit+0xaa/0x655 [ 398.066875] ? idr_get_free+0xec0/0xec0 [ 398.070850] ? kasan_check_write+0x14/0x20 [ 398.075081] ? do_raw_spin_lock+0xc1/0x200 [ 398.079308] oom_kill_process.cold.27+0x10/0x903 [ 398.084056] ? lock_downgrade+0x900/0x900 [ 398.088310] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.094105] ? oom_evaluate_task+0x540/0x540 [ 398.098511] ? oom_unkillable_task+0x383/0x580 [ 398.103088] ? out_of_memory+0x974/0x1430 [ 398.107227] ? lock_downgrade+0x900/0x900 [ 398.111370] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.117159] ? __cpuset_node_allowed+0x19b/0x660 [ 398.121911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.127452] ? oom_evaluate_task+0x302/0x540 [ 398.131947] out_of_memory+0xa84/0x1430 [ 398.135917] ? oom_killer_disable+0x3a0/0x3a0 [ 398.140404] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 398.145428] ? __mutex_add_waiter+0x2a0/0x2a0 [ 398.149914] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.154919] ? find_next_bit+0x104/0x130 [ 398.158974] __alloc_pages_slowpath+0x2318/0x2d80 [ 398.163822] ? warn_alloc+0x120/0x120 [ 398.167610] ? __radix_tree_lookup+0x4c0/0x4c0 [ 398.172189] ? find_get_entry+0x2f2/0xc40 [ 398.176333] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 398.181256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.186779] ? should_fail+0x22d/0xd01 [ 398.190657] ? ___might_sleep+0x1ed/0x300 [ 398.194788] ? lock_release+0x970/0x970 [ 398.198750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.203845] ? debug_smp_processor_id+0x1c/0x20 [ 398.208509] ? __might_sleep+0x95/0x190 [ 398.212473] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 398.217308] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.222323] ? lock_downgrade+0x900/0x900 [ 398.226458] ? ___might_sleep+0x1ed/0x300 [ 398.230594] ? lock_release+0x970/0x970 [ 398.234567] ? arch_local_save_flags+0x40/0x40 [ 398.239227] ? finish_task_switch+0x1f5/0x900 [ 398.243716] ? __might_sleep+0x95/0x190 [ 398.247696] __alloc_pages_nodemask+0xa80/0xde0 [ 398.252357] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.257368] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.263155] ? mark_held_locks+0x130/0x130 [ 398.267379] ? kasan_check_write+0x14/0x20 [ 398.271625] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 398.276290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.281824] ? __do_page_cache_readahead+0x7ce/0x980 [ 398.287012] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 398.292538] alloc_pages_current+0x10c/0x210 [ 398.296934] ? lock_downgrade+0x900/0x900 [ 398.301079] __page_cache_alloc+0x38f/0x5b0 [ 398.305393] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.311182] ? ext4_filemap_fault+0x82/0xad [ 398.315494] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 398.320156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.325684] ? check_preemption_disabled+0x48/0x200 [ 398.330696] filemap_fault+0x1594/0x25f0 [ 398.334755] ? __lock_page_or_retry+0xa00/0xa00 [ 398.339443] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.345225] ? lock_downgrade+0x900/0x900 [ 398.349367] ? trace_hardirqs_on+0xbd/0x310 [ 398.353674] ? kasan_check_read+0x11/0x20 [ 398.357815] ? __free_object+0x173/0x340 [ 398.361870] ? filemap_map_pages+0xdea/0x1980 [ 398.366360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.371479] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 398.376743] ? debug_object_free+0x325/0x690 [ 398.381159] ? find_get_pages_range_tag+0x1320/0x1320 [ 398.386341] ? do_raw_spin_lock+0xc1/0x200 [ 398.390568] ? kasan_check_read+0x11/0x20 [ 398.394705] ? debug_object_destroy+0x2b0/0x2b0 [ 398.399366] ? kasan_check_write+0x14/0x20 [ 398.403591] ? lock_acquire+0x1ed/0x520 [ 398.407556] ? ext4_filemap_fault+0x7a/0xad [ 398.411870] ? lock_release+0x970/0x970 [ 398.415833] ? arch_local_save_flags+0x40/0x40 [ 398.420406] ? futex_wait_setup+0x3e0/0x3e0 [ 398.424742] ? down_read+0xb0/0x1d0 [ 398.428357] ? ext4_filemap_fault+0x7a/0xad [ 398.432667] ? __down_interruptible+0x700/0x700 [ 398.437346] ext4_filemap_fault+0x82/0xad [ 398.441484] __do_fault+0x100/0x6b0 [ 398.445106] ? print_bad_pte+0x6c0/0x6c0 [ 398.449158] ? do_futex+0x249/0x26d0 [ 398.452864] ? pmd_val+0x88/0x100 [ 398.456314] ? add_mm_counter_fast+0xd0/0xd0 [ 398.460712] ? pmd_val+0x88/0x100 [ 398.464165] ? add_mm_counter_fast+0xd0/0xd0 [ 398.468572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.474125] __handle_mm_fault+0x3709/0x53e0 [ 398.478518] ? perf_trace_lock+0x14d/0x7a0 [ 398.482750] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 398.487599] ? ksys_dup3+0x680/0x680 [ 398.491328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.496853] ? should_fail+0x22d/0xd01 [ 398.500736] ? lock_acquire+0x1ed/0x520 [ 398.504700] ? handle_mm_fault+0x42a/0xc70 [ 398.508923] ? lock_downgrade+0x900/0x900 [ 398.513085] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.518888] ? lock_downgrade+0x900/0x900 [ 398.523033] ? __do_page_fault+0x67d/0xed0 [ 398.527258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.532705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.538236] ? check_preemption_disabled+0x48/0x200 [ 398.543247] handle_mm_fault+0x54f/0xc70 [ 398.547303] ? __handle_mm_fault+0x53e0/0x53e0 [ 398.551876] ? find_vma+0x34/0x190 [ 398.555411] __do_page_fault+0x67d/0xed0 [ 398.559473] ? mm_fault_error+0x380/0x380 [ 398.563610] ? trace_hardirqs_off+0xb8/0x310 [ 398.568008] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.573367] ? trace_hardirqs_on+0x310/0x310 [ 398.577770] do_page_fault+0xf2/0x7e0 [ 398.581564] ? vmalloc_sync_all+0x30/0x30 [ 398.585703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.591228] ? error_entry+0x70/0xd0 [ 398.594933] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.599938] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.604858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.609778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.614614] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.619619] ? trace_hardirqs_off+0x310/0x310 [ 398.624106] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.629113] ? page_fault+0x8/0x30 [ 398.632646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.637481] ? page_fault+0x8/0x30 [ 398.641012] page_fault+0x1e/0x30 [ 398.644464] RIP: 0033:0x40f9c0 [ 398.647651] Code: Bad RIP value. [ 398.651002] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 398.656367] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 398.663624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 398.670882] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 398.678144] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 398.685402] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 398.692677] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 398.692794] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.699956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.710156] syz-fuzzer cpuset= [ 398.719486] Call Trace: [ 398.719492] / [ 398.722660] [ 398.725219] mems_allowed=0 [ 398.726920] dump_stack+0x1c4/0x2b4 [ 398.735574] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.740760] warn_alloc.cold.119+0xb7/0x1bd [ 398.745081] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.749916] ? lock_downgrade+0x900/0x900 [ 398.754058] ? trace_hardirqs_off+0xb8/0x310 [ 398.758457] ? trace_hardirqs_off+0xb8/0x310 [ 398.762864] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.767713] ? warn_alloc+0x120/0x120 [ 398.771504] ? trace_hardirqs_on+0x310/0x310 [ 398.775903] ? warn_alloc+0x120/0x120 [ 398.780160] ? warn_alloc+0x120/0x120 [ 398.783954] ? ktime_get+0x2e1/0x440 [ 398.787660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.793190] ? check_preemption_disabled+0x48/0x200 [ 398.798209] ? kasan_check_read+0x11/0x20 [ 398.802346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.807873] ? should_fail+0x22d/0xd01 [ 398.811771] ? rcu_bh_qs+0xc0/0xc0 [ 398.815314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.820408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.825933] ? should_fail+0x22d/0xd01 [ 398.829815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.834908] ? should_fail+0x22d/0xd01 [ 398.838787] ? rcu_idle_enter+0x4b0/0x4b0 [ 398.842926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.848025] ? mark_held_locks+0x130/0x130 [ 398.852254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.857781] ? mark_held_locks+0x130/0x130 [ 398.862013] ? rcu_irq_exit+0xce/0x100 [ 398.865892] ? irq_exit+0xbd/0x1c0 [ 398.869427] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.874433] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.878833] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.884708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.890233] ? ret_from_intr+0xb/0x1e [ 398.894022] ? retint_kernel+0x2d/0x2d [ 398.897902] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.902825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.907578] ? trace_hardirqs_off+0x310/0x310 [ 398.912061] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.917161] __alloc_pages_nodemask+0xa80/0xde0 [ 398.921820] ? should_fail+0x22d/0xd01 [ 398.925699] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.930717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.935373] ? lock_downgrade+0x900/0x900 [ 398.939515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.945044] cache_grow_begin+0x91/0x8c0 [ 398.949099] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.953505] fallback_alloc+0x203/0x2e0 [ 398.957470] ____cache_alloc_node+0x1c7/0x1e0 [ 398.961956] kmem_cache_alloc_node+0xe3/0x730 [ 398.966442] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.970669] __alloc_skb+0x119/0x770 [ 398.974377] ? skb_scrub_packet+0x490/0x490 [ 398.978698] ? lock_downgrade+0x900/0x900 [ 398.982840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.988366] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.993809] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.999269] ? addrconf_rs_timer+0x690/0x690 [ 399.003674] ndisc_alloc_skb+0x144/0x340 [ 399.007728] ndisc_send_rs+0x331/0x6e0 [ 399.011609] addrconf_rs_timer+0x314/0x690 [ 399.015834] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.021363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.025594] call_timer_fn+0x272/0x920 [ 399.029475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.033699] ? process_timeout+0x40/0x40 [ 399.037752] ? trace_hardirqs_off+0xb8/0x310 [ 399.042160] ? kasan_check_read+0x11/0x20 [ 399.046298] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.050695] ? trace_hardirqs_on+0x310/0x310 [ 399.055094] ? __run_timers+0x7da/0xc70 [ 399.059056] ? lock_downgrade+0x900/0x900 [ 399.063198] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.068292] ? trace_hardirqs_on+0xbd/0x310 [ 399.072604] ? kasan_check_read+0x11/0x20 [ 399.076748] ? __run_timers+0x7da/0xc70 [ 399.080714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.086158] ? kasan_check_write+0x14/0x20 [ 399.090381] ? do_raw_spin_lock+0xc1/0x200 [ 399.094620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.098839] __run_timers+0x7e5/0xc70 [ 399.102634] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.107993] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.113006] ? timerqueue_add+0x207/0x2b0 [ 399.117145] ? enqueue_hrtimer+0x1a5/0x560 [ 399.121463] ? lock_release+0x970/0x970 [ 399.125429] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.130614] ? kasan_check_write+0x14/0x20 [ 399.134845] ? pvclock_read_flags+0x160/0x160 [ 399.139346] ? lock_downgrade+0x900/0x900 [ 399.143490] ? trace_hardirqs_on+0xbd/0x310 [ 399.147801] ? kvm_sched_clock_read+0x9/0x20 [ 399.152200] ? irq_exit+0x17f/0x1c0 [ 399.155816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.161342] ? check_preemption_disabled+0x48/0x200 [ 399.166350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.171883] run_timer_softirq+0x52/0xb0 [ 399.175958] ? __this_cpu_preempt_check+0x1c/0x1f [ 399.180795] __do_softirq+0x30b/0xad8 [ 399.184591] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.189687] ? pvclock_read_flags+0x160/0x160 [ 399.194174] ? lapic_next_event+0x5a/0x90 [ 399.198314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.203857] ? clockevents_program_event+0x140/0x370 [ 399.208956] ? kvm_clock_read+0x18/0x30 [ 399.212928] ? kvm_sched_clock_read+0x9/0x20 [ 399.217328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.222857] ? check_preemption_disabled+0x48/0x200 [ 399.227957] irq_exit+0x17f/0x1c0 [ 399.231408] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.236240] ? smp_reschedule_interrupt+0x109/0x650 [ 399.241245] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.247119] ? interrupt_entry+0xb5/0xf0 [ 399.251183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.256189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.261199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.266036] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.271043] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.276050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.281606] ? check_preemption_disabled+0x48/0x200 [ 399.286614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.292144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.296987] apic_timer_interrupt+0xf/0x20 [ 399.301212] [ 399.303441] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 399.308361] 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 [ 399.327251] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 399.334949] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 399.342216] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 399.349476] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 399.356734] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 399.363991] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 399.371261] ? trace_hardirqs_on+0xb4/0x310 [ 399.375581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.381111] skb_clone+0x1bb/0x500 [ 399.384643] ? skb_split+0x11e0/0x11e0 [ 399.388520] ? check_preemption_disabled+0x48/0x200 [ 399.393528] ? __this_cpu_preempt_check+0x1c/0x1f [ 399.398360] ? __bpf_redirect+0x54b/0xb20 [ 399.402498] ? __switch_to_asm+0x34/0x70 [ 399.406556] bpf_clone_redirect+0xb9/0x490 [ 399.410791] bpf_prog_466abe619656067b+0x436/0x1000 [ 399.415799] ? __sched_text_start+0x8/0x8 [ 399.419936] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.424689] ? retint_kernel+0x2d/0x2d [ 399.428579] ? lock_acquire+0x1ed/0x520 [ 399.432542] ? bpf_test_run+0x32e/0x5a0 [ 399.436624] ? lock_downgrade+0x900/0x900 [ 399.440763] ? lock_release+0x970/0x970 [ 399.444730] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 399.450523] ? preempt_schedule_common+0x1f/0xd0 [ 399.455273] ? preempt_schedule+0x4d/0x60 [ 399.459411] ? ___preempt_schedule+0x16/0x18 [ 399.463811] ? bpf_test_run+0x1c0/0x5a0 [ 399.467777] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.472176] ? bpf_prog_test_run_skb+0x295/0xb40 [ 399.476923] ? bpf_prog_test_run_skb+0x634/0xb40 [ 399.481680] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.486519] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.492043] ? fput+0x130/0x1a0 [ 399.495312] ? __bpf_prog_get+0x9b/0x290 [ 399.499366] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.504198] ? bpf_prog_test_run+0x130/0x1a0 [ 399.508597] ? __x64_sys_bpf+0x3d8/0x510 [ 399.512651] ? bpf_prog_get+0x20/0x20 [ 399.516453] ? do_syscall_64+0x1b9/0x820 [ 399.520502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.525856] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.530791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.535625] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.540630] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.545637] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.550643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.555480] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.560840] warn_alloc_show_mem: 1 callbacks suppressed [ 399.560849] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 399.560850] Mem-Info: [ 399.560878] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 399.560878] active_file:98 inactive_file:120 isolated_file:0 [ 399.560878] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.560878] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 399.560878] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 399.560878] free:13602 free_pcp:142 free_cma:0 [ 399.566218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.573137] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.575523] Call Trace: [ 399.608463] Node 0 [ 399.618339] [ 399.646012] 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 [ 399.648565] dump_stack+0x1c4/0x2b4 [ 399.650761] lowmem_reserve[]: [ 399.652897] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.678365] 0 [ 399.681980] warn_alloc.cold.119+0xb7/0x1bd [ 399.685049] 2819 [ 399.690221] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.691994] 6323 [ 399.696299] ? lock_downgrade+0x900/0x900 [ 399.698331] 6323 [ 399.703156] ? trace_hardirqs_off+0xb8/0x310 [ 399.705189] Node 0 [ 399.709319] ? trace_hardirqs_off+0xb8/0x310 [ 399.711372] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 399.715744] __alloc_pages_slowpath+0x2667/0x2d80 [ 399.717947] lowmem_reserve[]: [ 399.722346] ? debug_object_activate+0x402/0x600 [ 399.748851] 0 [ 399.753684] ? warn_alloc+0x120/0x120 [ 399.756763] 0 [ 399.761502] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.763272] 3503 [ 399.767057] ? warn_alloc+0x120/0x120 [ 399.768830] 3503 [ 399.773829] ? get_stack_info+0x37/0x142 [ 399.779894] ? warn_alloc+0x120/0x120 [ 399.781933] Node 0 [ 399.785981] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.789786] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 399.791988] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 399.796971] lowmem_reserve[]: [ 399.825410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.830137] 0 [ 399.833227] ? should_fail+0x22d/0xd01 [ 399.838730] 0 [ 399.840531] ? is_bpf_text_address+0xac/0x170 [ 399.844386] 0 [ 399.846178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.850634] 0 [ 399.852436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.859292] ? should_fail+0x22d/0xd01 [ 399.864796] Node 0 [ 399.868664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.868671] DMA: [ 399.870890] ? should_fail+0x22d/0xd01 [ 399.875962] 1*4kB [ 399.878012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.881868] (U) [ 399.884002] ? lock_downgrade+0x900/0x900 [ 399.889073] 0*8kB [ 399.891034] ? mark_held_locks+0x130/0x130 [ 399.895152] 0*16kB [ 399.897288] ? mark_held_locks+0x130/0x130 [ 399.901494] 1*32kB [ 399.903717] ? update_stack_state+0x1a5/0x690 [ 399.907922] (U) [ 399.910141] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.914605] 2*64kB [ 399.916572] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 399.921553] (U) [ 399.923779] ? is_bpf_text_address+0xac/0x170 [ 399.928500] 1*128kB [ 399.930458] ? lock_downgrade+0x900/0x900 [ 399.934926] (U) [ 399.937236] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 399.941365] 1*256kB [ 399.943324] ? kasan_check_read+0x11/0x20 [ 399.949103] (U) [ 399.951414] __alloc_pages_nodemask+0xa80/0xde0 [ 399.955531] 0*512kB [ 399.957494] ? should_fail+0x22d/0xd01 [ 399.962130] 1*1024kB [ 399.964436] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.968289] (U) [ 399.970685] ? is_bpf_text_address+0xd3/0x170 [ 399.975671] 1*2048kB [ 399.977642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.982097] (M) [ 399.984492] ? lock_downgrade+0x900/0x900 [ 399.989128] 3*4096kB [ 399.991087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.995204] (M) [ 399.997599] cache_grow_begin+0x91/0x8c0 [ 400.003102] = 15908kB [ 400.005061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.009088] Node 0 [ 400.011486] fallback_alloc+0x203/0x2e0 [ 400.015862] DMA32: [ 400.018083] ____cache_alloc_node+0x1c7/0x1e0 [ 400.022027] 5*4kB [ 400.024251] kmem_cache_alloc_node+0xe3/0x730 [ 400.028715] (UM) [ 400.030855] __alloc_skb+0x119/0x770 [ 400.035318] 0*8kB [ 400.037364] ? skb_scrub_packet+0x490/0x490 [ 400.041046] 5*16kB [ 400.043179] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 400.047468] (UMH) [ 400.049691] ? queue_work_on+0x12c/0x1e0 [ 400.054243] 5*32kB [ 400.056381] ? switchdev_port_obj_del+0xdc/0x450 [ 400.060407] (UMH) [ 400.062627] ? switchdev_trans_item_enqueue+0x260/0x260 [ 400.067353] 7*64kB [ 400.069489] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 400.074817] (UM) [ 400.077038] __br_mdb_notify+0x4ff/0x15d0 [ 400.082023] 4*128kB [ 400.084070] ? __br_mdb_add+0x800/0x800 [ 400.088183] (UM) [ 400.090493] ? kasan_check_write+0x14/0x20 [ 400.094451] 5*256kB [ 400.096501] ? do_raw_spin_lock+0xc1/0x200 [ 400.100701] (UMH) [ 400.103008] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.107213] 4*512kB [ 400.109345] ? debug_object_assert_init+0x368/0x4b0 [ 400.114430] (UM) [ 400.116735] ? debug_object_init_on_stack+0x20/0x20 [ 400.121721] 4*1024kB [ 400.123769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.128752] (UMH) [ 400.131156] br_mdb_notify+0x310/0x410 [ 400.136662] 4*2048kB [ 400.138796] ? br_mdb_dump+0x2530/0x2530 [ 400.142659] (UM) [ 400.145060] br_multicast_del_pg+0x3df/0x790 [ 400.149086] 2*4096kB [ 400.151134] ? br_mdb_ip_get+0x940/0x940 [ 400.155509] (M) [ 400.157913] ? kasan_check_write+0x14/0x20 [ 400.161946] = 25028kB [ 400.163910] ? do_raw_spin_lock+0xc1/0x200 [ 400.168126] Node 0 [ 400.170526] br_multicast_port_group_expired+0x189/0x1e0 [ 400.174725] Normal: [ 400.176948] call_timer_fn+0x272/0x920 [ 400.182362] 809*4kB [ 400.184685] ? br_multicast_del_pg+0x790/0x790 [ 400.188542] (UMEH) [ 400.190853] ? process_timeout+0x40/0x40 [ 400.195401] 372*8kB [ 400.197623] ? trace_hardirqs_off+0xb8/0x310 [ 400.201673] (UMEH) [ 400.204004] ? kasan_check_read+0x11/0x20 [ 400.208385] 191*16kB [ 400.210608] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.214722] (UMEH) [ 400.217114] ? trace_hardirqs_on+0x310/0x310 [ 400.221488] 81*32kB [ 400.223709] ? __run_timers+0x7da/0xc70 [ 400.228082] (UME) [ 400.230391] ? lock_downgrade+0x900/0x900 [ 400.234334] 21*64kB [ 400.236470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.240584] (UMH) [ 400.242898] ? trace_hardirqs_on+0xbd/0x310 [ 400.247972] 3*128kB [ 400.250115] ? kasan_check_read+0x11/0x20 [ 400.254403] (UH) [ 400.256711] ? __run_timers+0x7da/0xc70 [ 400.260825] 0*256kB [ 400.262901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.266846] 0*512kB [ 400.269156] ? kasan_check_write+0x14/0x20 [ 400.274575] 0*1024kB [ 400.276890] ? do_raw_spin_lock+0xc1/0x200 [ 400.281093] 0*2048kB [ 400.283485] ? br_multicast_del_pg+0x790/0x790 [ 400.287693] 0*4096kB [ 400.290089] __run_timers+0x7e5/0xc70 [ 400.294643] = 13588kB [ 400.297039] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 400.300811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.303200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.308538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.317350] ? timerqueue_add+0x207/0x2b0 [ 400.322333] 348 total pagecache pages [ 400.330893] ? enqueue_hrtimer+0x1a5/0x560 [ 400.335010] 0 pages in swap cache [ 400.338791] ? lock_release+0x970/0x970 [ 400.342997] Swap cache stats: add 0, delete 0, find 0/0 [ 400.346431] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.350373] Free swap = 0kB [ 400.355717] ? kasan_check_write+0x14/0x20 [ 400.360882] Total swap = 0kB [ 400.363890] ? pvclock_read_flags+0x160/0x160 [ 400.368096] 1965979 pages RAM [ 400.371096] ? lock_downgrade+0x900/0x900 [ 400.375559] 0 pages HighMem/MovableOnly [ 400.378650] ? trace_hardirqs_on+0xbd/0x310 [ 400.382774] 342307 pages reserved [ 400.386745] ? kvm_sched_clock_read+0x9/0x20 [ 400.391032] 0 pages cma reserved [ 400.394467] ? irq_exit+0x17f/0x1c0 [ 400.398911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.402207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.405839] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.412282] ? check_preemption_disabled+0x48/0x200 [ 400.417784] syz-executor3 cpuset= [ 400.428254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.433240] syz3 [ 400.436679] run_timer_softirq+0x52/0xb0 [ 400.442191] mems_allowed=0 [ 400.444173] ? __this_cpu_preempt_check+0x1c/0x1f [ 400.455943] __do_softirq+0x30b/0xad8 [ 400.459738] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.464832] ? pvclock_read_flags+0x160/0x160 [ 400.469323] ? lapic_next_event+0x5a/0x90 [ 400.473459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.478988] ? clockevents_program_event+0x140/0x370 [ 400.484083] ? kvm_clock_read+0x18/0x30 [ 400.488052] ? kvm_sched_clock_read+0x9/0x20 [ 400.492448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.497972] ? check_preemption_disabled+0x48/0x200 [ 400.502984] irq_exit+0x17f/0x1c0 [ 400.506428] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.511259] ? smp_reschedule_interrupt+0x109/0x650 [ 400.516269] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.522140] ? interrupt_entry+0xb5/0xf0 [ 400.526194] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.531202] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.536210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.541041] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.546046] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.551054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.556587] ? check_preemption_disabled+0x48/0x200 [ 400.561597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.567132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.571971] apic_timer_interrupt+0xf/0x20 [ 400.576191] [ 400.578421] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 400.583600] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 400.602492] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 400.610194] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 400.617455] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 400.624725] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 400.631984] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 400.639242] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 400.646511] ? trace_hardirqs_on+0x9a/0x310 [ 400.650820] ? trace_hardirqs_on+0xb4/0x310 [ 400.655142] retint_kernel+0x1b/0x2d [ 400.658858] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 400.664470] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 400.683360] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 400.691057] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 400.698313] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 400.705572] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 400.712837] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 400.720100] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 400.727369] ? trace_hardirqs_on+0x9a/0x310 [ 400.731684] ? arch_local_irq_restore+0x45/0x52 [ 400.736348] dump_stack+0x26a/0x2b4 [ 400.739966] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.745144] ? mark_held_locks+0x130/0x130 [ 400.749368] ? mark_held_locks+0x130/0x130 [ 400.753593] dump_header+0x27b/0xf72 [ 400.757300] ? rcu_read_unlock+0x16/0x60 [ 400.761353] ? pagefault_out_of_memory+0x197/0x197 [ 400.766274] ? mark_held_locks+0x130/0x130 [ 400.770494] ? percpu_ref_put_many+0x13e/0x260 [ 400.775069] ? mem_cgroup_charge_statistics+0x780/0x780 [ 400.780431] ? mem_cgroup_iter+0x1f7/0x1160 [ 400.784743] ? mark_held_locks+0x130/0x130 [ 400.788973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.794498] ? task_will_free_mem+0x239/0xb30 [ 400.798991] ? ___ratelimit+0x36f/0x655 [ 400.802953] ? lock_downgrade+0x900/0x900 [ 400.807097] ? trace_hardirqs_on+0xbd/0x310 [ 400.811407] ? kasan_check_read+0x11/0x20 [ 400.815545] ? ___ratelimit+0x36f/0x655 [ 400.819511] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.824950] ? trace_hardirqs_on+0x310/0x310 [ 400.829349] ? lock_downgrade+0x900/0x900 [ 400.833490] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.838598] ? ___ratelimit+0xaa/0x655 [ 400.842488] ? idr_get_free+0xec0/0xec0 [ 400.846450] ? kasan_check_write+0x14/0x20 [ 400.850673] ? do_raw_spin_lock+0xc1/0x200 [ 400.854899] oom_kill_process.cold.27+0x10/0x903 [ 400.859641] ? lock_downgrade+0x900/0x900 [ 400.863780] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.869683] ? oom_evaluate_task+0x540/0x540 [ 400.874086] ? oom_unkillable_task+0x383/0x580 [ 400.878655] ? out_of_memory+0x974/0x1430 [ 400.882792] ? lock_downgrade+0x900/0x900 [ 400.886942] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.892732] ? __cpuset_node_allowed+0x19b/0x660 [ 400.897496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.903022] ? oom_evaluate_task+0x302/0x540 [ 400.907420] out_of_memory+0xa84/0x1430 [ 400.911392] ? oom_killer_disable+0x3a0/0x3a0 [ 400.915881] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 400.920802] ? __mutex_add_waiter+0x2a0/0x2a0 [ 400.925378] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.930385] ? find_next_bit+0x104/0x130 [ 400.934441] __alloc_pages_slowpath+0x2318/0x2d80 [ 400.939289] ? warn_alloc+0x120/0x120 [ 400.943083] ? __radix_tree_lookup+0x4c0/0x4c0 [ 400.947676] ? find_get_entry+0x2f2/0xc40 [ 400.951834] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 400.956752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.962278] ? should_fail+0x22d/0xd01 [ 400.966155] ? ___might_sleep+0x1ed/0x300 [ 400.970293] ? lock_release+0x970/0x970 [ 400.974256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.979349] ? debug_smp_processor_id+0x1c/0x20 [ 400.984014] ? __might_sleep+0x95/0x190 [ 400.987982] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 400.992910] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 400.997921] ? lock_downgrade+0x900/0x900 [ 401.002059] ? ___might_sleep+0x1ed/0x300 [ 401.006201] ? lock_release+0x970/0x970 [ 401.010167] ? arch_local_save_flags+0x40/0x40 [ 401.014740] ? finish_task_switch+0x1f5/0x900 [ 401.019232] ? __might_sleep+0x95/0x190 [ 401.023201] __alloc_pages_nodemask+0xa80/0xde0 [ 401.027866] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.032890] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.038677] ? mark_held_locks+0x130/0x130 [ 401.042900] ? kasan_check_write+0x14/0x20 [ 401.047126] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 401.051789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.057323] ? __do_page_cache_readahead+0x7ce/0x980 [ 401.062425] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 401.067954] alloc_pages_current+0x10c/0x210 [ 401.072349] ? lock_downgrade+0x900/0x900 [ 401.076490] __page_cache_alloc+0x38f/0x5b0 [ 401.080806] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.086593] ? ext4_filemap_fault+0x82/0xad [ 401.090908] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 401.095569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.101107] ? check_preemption_disabled+0x48/0x200 [ 401.106119] filemap_fault+0x1594/0x25f0 [ 401.110182] ? __lock_page_or_retry+0xa00/0xa00 [ 401.114841] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.120630] ? lock_downgrade+0x900/0x900 [ 401.124781] ? trace_hardirqs_on+0xbd/0x310 [ 401.129095] ? kasan_check_read+0x11/0x20 [ 401.133231] ? __free_object+0x173/0x340 [ 401.137284] ? filemap_map_pages+0xdea/0x1980 [ 401.141772] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.146874] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 401.152139] ? debug_object_free+0x325/0x690 [ 401.156554] ? find_get_pages_range_tag+0x1320/0x1320 [ 401.161738] ? do_raw_spin_lock+0xc1/0x200 [ 401.165968] ? kasan_check_read+0x11/0x20 [ 401.170104] ? debug_object_destroy+0x2b0/0x2b0 [ 401.174766] ? kasan_check_write+0x14/0x20 [ 401.178999] ? lock_acquire+0x1ed/0x520 [ 401.182964] ? ext4_filemap_fault+0x7a/0xad [ 401.187278] ? lock_release+0x970/0x970 [ 401.191243] ? arch_local_save_flags+0x40/0x40 [ 401.195822] ? futex_wait_setup+0x3e0/0x3e0 [ 401.200140] ? down_read+0xb0/0x1d0 [ 401.203758] ? ext4_filemap_fault+0x7a/0xad [ 401.208093] ? __down_interruptible+0x700/0x700 [ 401.212765] ext4_filemap_fault+0x82/0xad [ 401.216908] __do_fault+0x100/0x6b0 [ 401.220524] ? print_bad_pte+0x6c0/0x6c0 [ 401.224575] ? do_futex+0x249/0x26d0 [ 401.228280] ? pmd_val+0x88/0x100 [ 401.231721] ? add_mm_counter_fast+0xd0/0xd0 [ 401.236228] ? pmd_val+0x88/0x100 [ 401.239674] ? add_mm_counter_fast+0xd0/0xd0 [ 401.244074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.249602] __handle_mm_fault+0x3709/0x53e0 [ 401.254001] ? perf_trace_lock+0x14d/0x7a0 [ 401.258231] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 401.263071] ? ksys_dup3+0x680/0x680 [ 401.266775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.272310] ? should_fail+0x22d/0xd01 [ 401.276194] ? lock_acquire+0x1ed/0x520 [ 401.280163] ? handle_mm_fault+0x42a/0xc70 [ 401.284404] ? lock_downgrade+0x900/0x900 [ 401.288549] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 401.294335] ? lock_downgrade+0x900/0x900 [ 401.298474] ? __do_page_fault+0x67d/0xed0 [ 401.302699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.308240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.313767] ? check_preemption_disabled+0x48/0x200 [ 401.318792] handle_mm_fault+0x54f/0xc70 [ 401.322849] ? __handle_mm_fault+0x53e0/0x53e0 [ 401.327420] ? find_vma+0x34/0x190 [ 401.330951] __do_page_fault+0x67d/0xed0 [ 401.335008] ? mm_fault_error+0x380/0x380 [ 401.339150] ? trace_hardirqs_off+0xb8/0x310 [ 401.343553] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.348908] ? trace_hardirqs_on+0x310/0x310 [ 401.353335] do_page_fault+0xf2/0x7e0 [ 401.357133] ? vmalloc_sync_all+0x30/0x30 [ 401.361273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.366807] ? error_entry+0x70/0xd0 [ 401.370513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.375526] ? trace_hardirqs_on_caller+0xc0/0x310 [ 401.380447] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.385363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.390196] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.395203] ? trace_hardirqs_off+0x310/0x310 [ 401.399694] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.404698] ? page_fault+0x8/0x30 [ 401.408229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.413061] ? page_fault+0x8/0x30 [ 401.416595] page_fault+0x1e/0x30 [ 401.420042] RIP: 0033:0x40f9c0 [ 401.423230] Code: Bad RIP value. [ 401.426580] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 401.431949] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 401.439209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 401.446466] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 401.453722] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 401.460980] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 401.468255] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 401.468375] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.475535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.485834] syz-fuzzer cpuset= [ 401.495163] Call Trace: [ 401.495170] / [ 401.498338] [ 401.500898] mems_allowed=0 [ 401.502601] dump_stack+0x1c4/0x2b4 [ 401.511257] ? dump_stack_print_info.cold.2+0x52/0x52 [ 401.516445] warn_alloc.cold.119+0xb7/0x1bd [ 401.520765] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.525603] ? lock_downgrade+0x900/0x900 [ 401.529746] ? trace_hardirqs_off+0xb8/0x310 [ 401.534152] ? trace_hardirqs_off+0xb8/0x310 [ 401.538554] __alloc_pages_slowpath+0x2667/0x2d80 [ 401.543402] ? warn_alloc+0x120/0x120 [ 401.547198] ? warn_alloc+0x120/0x120 [ 401.551105] ? warn_alloc+0x120/0x120 [ 401.554896] ? mark_held_locks+0x130/0x130 [ 401.559121] ? trace_hardirqs_on+0x310/0x310 [ 401.563527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.569054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.574580] ? should_fail+0x22d/0xd01 [ 401.578462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.583555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.589085] ? should_fail+0x22d/0xd01 [ 401.592969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.598060] ? should_fail+0x22d/0xd01 [ 401.601943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.607037] ? mark_held_locks+0x130/0x130 [ 401.611646] ? mark_held_locks+0x130/0x130 [ 401.615899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.621429] ? trace_hardirqs_off+0xb8/0x310 [ 401.625829] ? kasan_check_read+0x11/0x20 [ 401.629974] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.634377] ? trace_hardirqs_on+0x310/0x310 [ 401.638780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.644306] ? wq_watchdog_touch+0x9c/0xfe [ 401.648539] ? io_serial_in+0x11/0x90 [ 401.652330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.657863] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.662967] __alloc_pages_nodemask+0xa80/0xde0 [ 401.667630] ? should_fail+0x22d/0xd01 [ 401.671517] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.676536] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.681194] ? lock_downgrade+0x900/0x900 [ 401.685337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.690868] cache_grow_begin+0x91/0x8c0 [ 401.694919] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.699322] fallback_alloc+0x203/0x2e0 [ 401.703289] ____cache_alloc_node+0x1c7/0x1e0 [ 401.707777] kmem_cache_alloc_node+0xe3/0x730 [ 401.712263] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.716492] __alloc_skb+0x119/0x770 [ 401.720220] ? skb_scrub_packet+0x490/0x490 [ 401.724529] ? lock_downgrade+0x900/0x900 [ 401.728669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.734209] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.739649] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.745092] ? addrconf_rs_timer+0x690/0x690 [ 401.749504] ndisc_alloc_skb+0x144/0x340 [ 401.753557] ndisc_send_rs+0x331/0x6e0 [ 401.757438] addrconf_rs_timer+0x314/0x690 [ 401.761662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.767191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.771421] call_timer_fn+0x272/0x920 [ 401.775296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.780015] ? process_timeout+0x40/0x40 [ 401.784069] ? trace_hardirqs_off+0xb8/0x310 [ 401.788468] ? kasan_check_read+0x11/0x20 [ 401.792614] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.797013] ? trace_hardirqs_on+0x310/0x310 [ 401.801416] ? __run_timers+0x7da/0xc70 [ 401.805382] ? lock_downgrade+0x900/0x900 [ 401.809522] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.814612] ? trace_hardirqs_on+0xbd/0x310 [ 401.818922] ? kasan_check_read+0x11/0x20 [ 401.823670] ? __run_timers+0x7da/0xc70 [ 401.827635] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.833078] ? kasan_check_write+0x14/0x20 [ 401.837303] ? do_raw_spin_lock+0xc1/0x200 [ 401.841531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.845760] __run_timers+0x7e5/0xc70 [ 401.849568] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.854922] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.859932] ? timerqueue_add+0x207/0x2b0 [ 401.864072] ? enqueue_hrtimer+0x1a5/0x560 [ 401.868296] ? lock_release+0x970/0x970 [ 401.872260] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.877441] ? kasan_check_write+0x14/0x20 [ 401.881674] ? pvclock_read_flags+0x160/0x160 [ 401.886157] ? lock_downgrade+0x900/0x900 [ 401.890300] ? trace_hardirqs_on+0xbd/0x310 [ 401.894612] ? kvm_sched_clock_read+0x9/0x20 [ 401.899012] ? irq_exit+0x17f/0x1c0 [ 401.902628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.908161] ? check_preemption_disabled+0x48/0x200 [ 401.913167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.918701] run_timer_softirq+0x52/0xb0 [ 401.922760] ? __this_cpu_preempt_check+0x1c/0x1f [ 401.927592] __do_softirq+0x30b/0xad8 [ 401.931391] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.936491] ? pvclock_read_flags+0x160/0x160 [ 401.940980] ? lapic_next_event+0x5a/0x90 [ 401.945117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.950648] ? clockevents_program_event+0x140/0x370 [ 401.955749] ? kvm_clock_read+0x18/0x30 [ 401.959716] ? kvm_sched_clock_read+0x9/0x20 [ 401.964126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.969654] ? check_preemption_disabled+0x48/0x200 [ 401.974682] irq_exit+0x17f/0x1c0 [ 401.978129] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.982964] ? smp_reschedule_interrupt+0x109/0x650 [ 401.987973] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.993847] ? interrupt_entry+0xb5/0xf0 [ 401.997898] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.002919] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.007930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.012761] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.017767] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.022773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.028300] ? check_preemption_disabled+0x48/0x200 [ 402.033309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.038926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.043767] apic_timer_interrupt+0xf/0x20 [ 402.047991] [ 402.050224] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.055144] 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 [ 402.074033] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 402.081733] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 402.089080] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 402.096339] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 402.103597] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 402.110857] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 402.118137] ? trace_hardirqs_on+0xb4/0x310 [ 402.122452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.128093] skb_clone+0x1bb/0x500 [ 402.131627] ? skb_split+0x11e0/0x11e0 [ 402.135509] ? check_preemption_disabled+0x48/0x200 [ 402.140516] ? __this_cpu_preempt_check+0x1c/0x1f [ 402.145353] ? __bpf_redirect+0x54b/0xb20 [ 402.149492] ? __switch_to_asm+0x34/0x70 [ 402.153550] bpf_clone_redirect+0xb9/0x490 [ 402.157780] bpf_prog_466abe619656067b+0x436/0x1000 [ 402.162792] ? __sched_text_start+0x8/0x8 [ 402.166933] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.171680] ? retint_kernel+0x2d/0x2d [ 402.175570] ? lock_acquire+0x1ed/0x520 [ 402.179534] ? bpf_test_run+0x32e/0x5a0 [ 402.183499] ? lock_downgrade+0x900/0x900 [ 402.187640] ? lock_release+0x970/0x970 [ 402.191610] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 402.197399] ? preempt_schedule_common+0x1f/0xd0 [ 402.202148] ? preempt_schedule+0x4d/0x60 [ 402.206285] ? ___preempt_schedule+0x16/0x18 [ 402.210686] ? bpf_test_run+0x1c0/0x5a0 [ 402.214664] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.219081] ? bpf_prog_test_run_skb+0x295/0xb40 [ 402.223830] ? bpf_prog_test_run_skb+0x634/0xb40 [ 402.228579] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.233413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.238937] ? fput+0x130/0x1a0 [ 402.242207] ? __bpf_prog_get+0x9b/0x290 [ 402.246257] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.251088] ? bpf_prog_test_run+0x130/0x1a0 [ 402.255492] ? __x64_sys_bpf+0x3d8/0x510 [ 402.259542] ? bpf_prog_get+0x20/0x20 [ 402.263340] ? do_syscall_64+0x1b9/0x820 [ 402.267392] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.272749] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.277670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.282509] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.287519] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.292530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.297538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.302377] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.307737] warn_alloc_show_mem: 1 callbacks suppressed [ 402.307746] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 402.307748] Mem-Info: [ 402.307774] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 402.307774] active_file:98 inactive_file:120 isolated_file:0 [ 402.307774] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.307774] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 402.307774] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 402.307774] free:13602 free_pcp:142 free_cma:0 [ 402.313114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.320032] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.322416] Call Trace: [ 402.355358] Node 0 [ 402.364695] [ 402.392360] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 402.394914] dump_stack+0x1c4/0x2b4 [ 402.397116] lowmem_reserve[]: [ 402.399252] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.424721] 0 [ 402.428337] warn_alloc.cold.119+0xb7/0x1bd [ 402.431406] 2819 [ 402.436691] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.438463] 6323 [ 402.442765] ? lock_downgrade+0x900/0x900 [ 402.444806] 6323 [ 402.449632] ? trace_hardirqs_off+0xb8/0x310 [ 402.455806] ? trace_hardirqs_off+0xb8/0x310 [ 402.457840] Node 0 [ 402.462234] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.466633] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 402.468845] ? debug_object_activate+0x402/0x600 [ 402.473648] lowmem_reserve[]: [ 402.500175] ? warn_alloc+0x120/0x120 [ 402.504901] 0 [ 402.507991] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.511760] 0 [ 402.513548] ? warn_alloc+0x120/0x120 [ 402.518533] 3503 [ 402.520323] ? get_stack_info+0x37/0x142 [ 402.524176] 3503 [ 402.526222] ? warn_alloc+0x120/0x120 [ 402.532297] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.536064] Node 0 [ 402.541060] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 402.541082] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 402.541087] lowmem_reserve[]: [ 402.543314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.548039] 0 [ 402.576473] ? should_fail+0x22d/0xd01 [ 402.579552] 0 [ 402.585070] ? is_bpf_text_address+0xac/0x170 [ 402.586839] 0 [ 402.590714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.592489] 0 [ 402.596974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.603834] ? should_fail+0x22d/0xd01 [ 402.605607] Node 0 [ 402.611130] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.614985] DMA: [ 402.617209] ? should_fail+0x22d/0xd01 [ 402.622281] 1*4kB [ 402.624337] ? kasan_check_read+0x11/0x20 [ 402.628191] (U) [ 402.630327] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.634439] 0*8kB 0*16kB [ 402.636409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.641676] 1*32kB [ 402.644420] ? unwind_dump+0x190/0x190 [ 402.649495] (U) [ 402.651717] ? mark_held_locks+0x130/0x130 [ 402.655567] 2*64kB (U) [ 402.657538] ? mark_held_locks+0x130/0x130 [ 402.661741] 1*128kB [ 402.664308] ? update_stack_state+0x1a5/0x690 [ 402.668523] (U) [ 402.670831] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.675292] 1*256kB [ 402.677253] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 402.682238] (U) [ 402.684548] ? is_bpf_text_address+0xac/0x170 [ 402.689269] 0*512kB [ 402.691227] ? lock_downgrade+0x900/0x900 [ 402.695693] 1*1024kB [ 402.698006] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 402.702117] (U) [ 402.704511] ? kasan_check_read+0x11/0x20 [ 402.710276] 1*2048kB [ 402.712241] __alloc_pages_nodemask+0xa80/0xde0 [ 402.716354] (M) [ 402.718749] ? should_fail+0x22d/0xd01 [ 402.723385] 3*4096kB [ 402.725348] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.729204] (M) [ 402.731599] ? is_bpf_text_address+0xd3/0x170 [ 402.736584] = 15908kB [ 402.738552] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.743007] Node 0 [ 402.745401] ? lock_downgrade+0x900/0x900 [ 402.750040] DMA32: [ 402.752262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.756381] 5*4kB [ 402.758600] cache_grow_begin+0x91/0x8c0 [ 402.764103] (UM) [ 402.766239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.770267] 0*8kB [ 402.772312] fallback_alloc+0x203/0x2e0 [ 402.776691] 5*16kB [ 402.778829] ____cache_alloc_node+0x1c7/0x1e0 [ 402.782769] (UMH) [ 402.784990] kmem_cache_alloc_node+0xe3/0x730 [ 402.789456] 5*32kB [ 402.791595] __alloc_skb+0x119/0x770 [ 402.796055] (UMH) [ 402.798274] ? skb_scrub_packet+0x490/0x490 [ 402.801957] 7*64kB [ 402.804091] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 402.808381] (UM) [ 402.810604] ? queue_work_on+0x12c/0x1e0 [ 402.815159] 4*128kB [ 402.817208] ? switchdev_port_obj_del+0xdc/0x450 [ 402.821233] (UM) [ 402.823542] ? switchdev_trans_item_enqueue+0x260/0x260 [ 402.828265] 5*256kB [ 402.830315] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.835655] (UMH) [ 402.837968] __br_mdb_notify+0x4ff/0x15d0 [ 402.842952] 4*512kB [ 402.845089] ? __br_mdb_add+0x800/0x800 [ 402.849378] (UM) [ 402.851687] ? kasan_check_write+0x14/0x20 [ 402.855630] 4*1024kB [ 402.857687] ? do_raw_spin_lock+0xc1/0x200 [ 402.861887] (UMH) [ 402.864287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.868487] 4*2048kB [ 402.870622] ? debug_object_assert_init+0x368/0x4b0 [ 402.875695] (UM) [ 402.878088] ? debug_object_init_on_stack+0x20/0x20 [ 402.883072] 2*4096kB [ 402.885120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.890104] (M) [ 402.892503] br_mdb_notify+0x310/0x410 [ 402.898005] = 25028kB [ 402.899964] ? br_mdb_dump+0x2530/0x2530 [ 402.903823] Node 0 [ 402.906229] br_multicast_del_pg+0x3df/0x790 [ 402.910255] Normal: [ 402.912479] ? br_mdb_ip_get+0x940/0x940 [ 402.916856] 809*4kB [ 402.919164] ? kasan_check_write+0x14/0x20 [ 402.923193] (UMEH) [ 402.925501] ? do_raw_spin_lock+0xc1/0x200 [ 402.930406] 372*8kB [ 402.932629] br_multicast_port_group_expired+0x189/0x1e0 [ 402.936835] (UMEH) [ 402.939146] call_timer_fn+0x272/0x920 [ 402.944567] 191*16kB [ 402.946785] ? br_multicast_del_pg+0x790/0x790 [ 402.950644] (UMEH) [ 402.953039] ? process_timeout+0x40/0x40 [ 402.957587] 81*32kB [ 402.959806] ? trace_hardirqs_off+0xb8/0x310 [ 402.963832] (UME) [ 402.966135] ? kasan_check_read+0x11/0x20 [ 402.970507] 21*64kB (UMH) [ 402.972655] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.976771] 3*128kB [ 402.979598] ? trace_hardirqs_on+0x310/0x310 [ 402.983976] (UH) [ 402.986287] ? __run_timers+0x7da/0xc70 [ 402.990666] 0*256kB [ 402.992715] ? lock_downgrade+0x900/0x900 [ 402.996662] 0*512kB [ 402.998971] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.003086] 0*1024kB [ 403.005392] ? trace_hardirqs_on+0xbd/0x310 [ 403.010462] 0*2048kB 0*4096kB [ 403.012861] ? kasan_check_read+0x11/0x20 [ 403.017150] = 13588kB [ 403.020326] ? __run_timers+0x7da/0xc70 [ 403.024449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.026837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.030785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.039595] ? kasan_check_write+0x14/0x20 [ 403.045018] 348 total pagecache pages [ 403.053589] ? do_raw_spin_lock+0xc1/0x200 [ 403.057791] 0 pages in swap cache [ 403.061577] ? br_multicast_del_pg+0x790/0x790 [ 403.065783] Swap cache stats: add 0, delete 0, find 0/0 [ 403.069215] __run_timers+0x7e5/0xc70 [ 403.073766] Free swap = 0kB [ 403.079115] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.082879] Total swap = 0kB [ 403.085892] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.091221] 1965979 pages RAM [ 403.094229] ? timerqueue_add+0x207/0x2b0 [ 403.099213] 0 pages HighMem/MovableOnly [ 403.102301] ? enqueue_hrtimer+0x1a5/0x560 [ 403.106430] 342307 pages reserved [ 403.110390] ? lock_release+0x970/0x970 [ 403.114595] 0 pages cma reserved [ 403.118030] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.122022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.125325] ? kasan_check_write+0x14/0x20 [ 403.130553] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.136980] ? pvclock_read_flags+0x160/0x160 [ 403.141198] syz-executor3 cpuset= [ 403.151681] ? lock_downgrade+0x900/0x900 [ 403.156146] syz3 [ 403.159586] ? trace_hardirqs_on+0xbd/0x310 [ 403.163709] mems_allowed=0 [ 403.165682] ? kvm_sched_clock_read+0x9/0x20 [ 403.177290] ? irq_exit+0x17f/0x1c0 [ 403.180909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.186437] ? check_preemption_disabled+0x48/0x200 [ 403.191443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.196989] run_timer_softirq+0x52/0xb0 [ 403.201044] ? __this_cpu_preempt_check+0x1c/0x1f [ 403.205883] __do_softirq+0x30b/0xad8 [ 403.209792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 403.214890] ? pvclock_read_flags+0x160/0x160 [ 403.219378] ? lapic_next_event+0x5a/0x90 [ 403.223520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.229048] ? clockevents_program_event+0x140/0x370 [ 403.234144] ? kvm_clock_read+0x18/0x30 [ 403.238107] ? kvm_sched_clock_read+0x9/0x20 [ 403.242509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.248039] ? check_preemption_disabled+0x48/0x200 [ 403.253051] irq_exit+0x17f/0x1c0 [ 403.256496] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.261326] ? smp_reschedule_interrupt+0x109/0x650 [ 403.266332] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.272202] ? interrupt_entry+0xb5/0xf0 [ 403.276252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.281258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.286350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.291184] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.296189] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.301195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.306723] ? check_preemption_disabled+0x48/0x200 [ 403.311729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.317258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.322096] apic_timer_interrupt+0xf/0x20 [ 403.326317] [ 403.328549] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 403.333738] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 403.352714] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.360413] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 403.367762] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 403.375019] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 403.382279] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 403.389536] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 403.396809] ? trace_hardirqs_on+0x9a/0x310 [ 403.401121] ? trace_hardirqs_on+0xb4/0x310 [ 403.405442] retint_kernel+0x1b/0x2d [ 403.409148] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 403.414412] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 403.433301] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 403.440998] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 403.448254] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 403.455513] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 403.462769] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 403.470025] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 403.477294] ? trace_hardirqs_on+0x9a/0x310 [ 403.481610] ? arch_local_irq_restore+0x45/0x52 [ 403.486276] dump_stack+0x26a/0x2b4 [ 403.489899] ? dump_stack_print_info.cold.2+0x52/0x52 [ 403.495082] ? mark_held_locks+0x130/0x130 [ 403.499306] ? mark_held_locks+0x130/0x130 [ 403.503532] dump_header+0x27b/0xf72 [ 403.507240] ? rcu_read_unlock+0x16/0x60 [ 403.511293] ? pagefault_out_of_memory+0x197/0x197 [ 403.516211] ? mark_held_locks+0x130/0x130 [ 403.520435] ? percpu_ref_put_many+0x13e/0x260 [ 403.525007] ? mem_cgroup_charge_statistics+0x780/0x780 [ 403.530364] ? mem_cgroup_iter+0x1f7/0x1160 [ 403.534679] ? mark_held_locks+0x130/0x130 [ 403.538908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.544431] ? task_will_free_mem+0x239/0xb30 [ 403.548921] ? ___ratelimit+0x36f/0x655 [ 403.552888] ? lock_downgrade+0x900/0x900 [ 403.557030] ? trace_hardirqs_on+0xbd/0x310 [ 403.561340] ? kasan_check_read+0x11/0x20 [ 403.565482] ? ___ratelimit+0x36f/0x655 [ 403.569449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.574887] ? trace_hardirqs_on+0x310/0x310 [ 403.579284] ? lock_downgrade+0x900/0x900 [ 403.583425] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.588516] ? ___ratelimit+0xaa/0x655 [ 403.592394] ? idr_get_free+0xec0/0xec0 [ 403.596355] ? kasan_check_write+0x14/0x20 [ 403.600593] ? do_raw_spin_lock+0xc1/0x200 [ 403.604828] oom_kill_process.cold.27+0x10/0x903 [ 403.610097] ? lock_downgrade+0x900/0x900 [ 403.614244] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.620035] ? oom_evaluate_task+0x540/0x540 [ 403.624438] ? oom_unkillable_task+0x383/0x580 [ 403.629010] ? out_of_memory+0x974/0x1430 [ 403.633146] ? lock_downgrade+0x900/0x900 [ 403.637289] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.643075] ? __cpuset_node_allowed+0x19b/0x660 [ 403.647827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.653354] ? oom_evaluate_task+0x302/0x540 [ 403.657754] out_of_memory+0xa84/0x1430 [ 403.661725] ? oom_killer_disable+0x3a0/0x3a0 [ 403.666213] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 403.671135] ? __mutex_add_waiter+0x2a0/0x2a0 [ 403.675624] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.680629] ? find_next_bit+0x104/0x130 [ 403.684688] __alloc_pages_slowpath+0x2318/0x2d80 [ 403.689551] ? warn_alloc+0x120/0x120 [ 403.693350] ? __radix_tree_lookup+0x4c0/0x4c0 [ 403.697928] ? find_get_entry+0x2f2/0xc40 [ 403.702076] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 403.706997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.712525] ? should_fail+0x22d/0xd01 [ 403.716405] ? ___might_sleep+0x1ed/0x300 [ 403.720539] ? lock_release+0x970/0x970 [ 403.724509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.729605] ? debug_smp_processor_id+0x1c/0x20 [ 403.734267] ? __might_sleep+0x95/0x190 [ 403.738236] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 403.743073] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.748085] ? lock_downgrade+0x900/0x900 [ 403.752224] ? ___might_sleep+0x1ed/0x300 [ 403.756363] ? lock_release+0x970/0x970 [ 403.760327] ? arch_local_save_flags+0x40/0x40 [ 403.764904] ? finish_task_switch+0x1f5/0x900 [ 403.769397] ? __might_sleep+0x95/0x190 [ 403.773365] __alloc_pages_nodemask+0xa80/0xde0 [ 403.778228] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.783236] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.789024] ? mark_held_locks+0x130/0x130 [ 403.793250] ? kasan_check_write+0x14/0x20 [ 403.797480] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 403.802146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.807674] ? __do_page_cache_readahead+0x7ce/0x980 [ 403.812777] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 403.818416] alloc_pages_current+0x10c/0x210 [ 403.822818] ? lock_downgrade+0x900/0x900 [ 403.826957] __page_cache_alloc+0x38f/0x5b0 [ 403.831269] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.837060] ? ext4_filemap_fault+0x82/0xad [ 403.841373] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 403.846034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.851574] ? check_preemption_disabled+0x48/0x200 [ 403.856588] filemap_fault+0x1594/0x25f0 [ 403.860653] ? __lock_page_or_retry+0xa00/0xa00 [ 403.865663] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.871448] ? lock_downgrade+0x900/0x900 [ 403.875588] ? trace_hardirqs_on+0xbd/0x310 [ 403.879896] ? kasan_check_read+0x11/0x20 [ 403.884034] ? __free_object+0x173/0x340 [ 403.888090] ? filemap_map_pages+0xdea/0x1980 [ 403.892585] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.897680] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 403.902944] ? debug_object_free+0x325/0x690 [ 403.907341] ? find_get_pages_range_tag+0x1320/0x1320 [ 403.912522] ? do_raw_spin_lock+0xc1/0x200 [ 403.916758] ? kasan_check_read+0x11/0x20 [ 403.920910] ? debug_object_destroy+0x2b0/0x2b0 [ 403.925572] ? kasan_check_write+0x14/0x20 [ 403.929802] ? lock_acquire+0x1ed/0x520 [ 403.933770] ? ext4_filemap_fault+0x7a/0xad [ 403.938083] ? lock_release+0x970/0x970 [ 403.942048] ? arch_local_save_flags+0x40/0x40 [ 403.946620] ? futex_wait_setup+0x3e0/0x3e0 [ 403.950943] ? down_read+0xb0/0x1d0 [ 403.954566] ? ext4_filemap_fault+0x7a/0xad [ 403.958893] ? __down_interruptible+0x700/0x700 [ 403.963566] ext4_filemap_fault+0x82/0xad [ 403.967709] __do_fault+0x100/0x6b0 [ 403.971443] ? print_bad_pte+0x6c0/0x6c0 [ 403.975495] ? do_futex+0x249/0x26d0 [ 403.979204] ? pmd_val+0x88/0x100 [ 403.982649] ? add_mm_counter_fast+0xd0/0xd0 [ 403.987045] ? pmd_val+0x88/0x100 [ 403.990489] ? add_mm_counter_fast+0xd0/0xd0 [ 403.994891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.000423] __handle_mm_fault+0x3709/0x53e0 [ 404.004826] ? perf_trace_lock+0x14d/0x7a0 [ 404.009055] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 404.013894] ? ksys_dup3+0x680/0x680 [ 404.017600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.023126] ? should_fail+0x22d/0xd01 [ 404.027012] ? lock_acquire+0x1ed/0x520 [ 404.030980] ? handle_mm_fault+0x42a/0xc70 [ 404.035204] ? lock_downgrade+0x900/0x900 [ 404.039346] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 404.045139] ? lock_downgrade+0x900/0x900 [ 404.049281] ? __do_page_fault+0x67d/0xed0 [ 404.053507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.058957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.064486] ? check_preemption_disabled+0x48/0x200 [ 404.069508] handle_mm_fault+0x54f/0xc70 [ 404.073571] ? __handle_mm_fault+0x53e0/0x53e0 [ 404.078142] ? find_vma+0x34/0x190 [ 404.081678] __do_page_fault+0x67d/0xed0 [ 404.085730] ? mm_fault_error+0x380/0x380 [ 404.089868] ? trace_hardirqs_off+0xb8/0x310 [ 404.094268] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.099620] ? trace_hardirqs_on+0x310/0x310 [ 404.104021] do_page_fault+0xf2/0x7e0 [ 404.107815] ? vmalloc_sync_all+0x30/0x30 [ 404.111955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.117482] ? error_entry+0x70/0xd0 [ 404.121189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.126198] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.131116] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.136036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.140872] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.145876] ? trace_hardirqs_off+0x310/0x310 [ 404.150364] ? prepare_exit_to_usermode+0x291/0x3b0 [ 404.155369] ? page_fault+0x8/0x30 [ 404.158906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.163750] ? page_fault+0x8/0x30 [ 404.167279] page_fault+0x1e/0x30 [ 404.170724] RIP: 0033:0x40f9c0 [ 404.174031] Code: Bad RIP value. [ 404.177469] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 404.182822] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 404.190081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 404.197341] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 404.204601] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 404.211860] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 404.219134] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 404.219249] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.226408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.236605] syz-fuzzer cpuset= [ 404.245930] Call Trace: [ 404.245932] / mems_allowed=0 [ 404.249105] [ 404.256807] dump_stack+0x1c4/0x2b4 [ 404.260431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.265621] warn_alloc.cold.119+0xb7/0x1bd [ 404.269934] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.274769] ? lock_downgrade+0x900/0x900 [ 404.278911] ? trace_hardirqs_off+0xb8/0x310 [ 404.283311] ? trace_hardirqs_off+0xb8/0x310 [ 404.287717] __alloc_pages_slowpath+0x2667/0x2d80 [ 404.292567] ? warn_alloc+0x120/0x120 [ 404.296358] ? trace_hardirqs_on+0x310/0x310 [ 404.300757] ? warn_alloc+0x120/0x120 [ 404.304549] ? warn_alloc+0x120/0x120 [ 404.308359] ? ktime_get+0x2e1/0x440 [ 404.312063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.317592] ? check_preemption_disabled+0x48/0x200 [ 404.322599] ? kasan_check_read+0x11/0x20 [ 404.326737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.332264] ? should_fail+0x22d/0xd01 [ 404.336146] ? rcu_bh_qs+0xc0/0xc0 [ 404.339683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.344781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.350313] ? should_fail+0x22d/0xd01 [ 404.354199] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.359296] ? should_fail+0x22d/0xd01 [ 404.363177] ? rcu_idle_enter+0x4b0/0x4b0 [ 404.367316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.372411] ? mark_held_locks+0x130/0x130 [ 404.376637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.382164] ? mark_held_locks+0x130/0x130 [ 404.386390] ? rcu_irq_exit+0xce/0x100 [ 404.390272] ? irq_exit+0xbd/0x1c0 [ 404.393803] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 404.398809] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.403209] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.409082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.414608] ? ret_from_intr+0xb/0x1e [ 404.418399] ? retint_kernel+0x2d/0x2d [ 404.422280] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.427199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.431947] ? trace_hardirqs_off+0x310/0x310 [ 404.436428] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.441534] __alloc_pages_nodemask+0xa80/0xde0 [ 404.446192] ? should_fail+0x22d/0xd01 [ 404.450074] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 404.455094] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.459751] ? lock_downgrade+0x900/0x900 [ 404.463894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.469424] cache_grow_begin+0x91/0x8c0 [ 404.473475] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.477886] fallback_alloc+0x203/0x2e0 [ 404.481854] ____cache_alloc_node+0x1c7/0x1e0 [ 404.486340] kmem_cache_alloc_node+0xe3/0x730 [ 404.490828] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.495058] __alloc_skb+0x119/0x770 [ 404.498766] ? skb_scrub_packet+0x490/0x490 [ 404.503076] ? lock_downgrade+0x900/0x900 [ 404.507219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.512746] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.518189] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.523631] ? addrconf_rs_timer+0x690/0x690 [ 404.528035] ndisc_alloc_skb+0x144/0x340 [ 404.532090] ndisc_send_rs+0x331/0x6e0 [ 404.535973] addrconf_rs_timer+0x314/0x690 [ 404.540200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.545730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.549965] call_timer_fn+0x272/0x920 [ 404.553843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.558069] ? process_timeout+0x40/0x40 [ 404.562119] ? trace_hardirqs_off+0xb8/0x310 [ 404.566522] ? kasan_check_read+0x11/0x20 [ 404.570661] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.575060] ? trace_hardirqs_on+0x310/0x310 [ 404.579458] ? __run_timers+0x7da/0xc70 [ 404.583428] ? lock_downgrade+0x900/0x900 [ 404.587568] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.592658] ? trace_hardirqs_on+0xbd/0x310 [ 404.596969] ? kasan_check_read+0x11/0x20 [ 404.601111] ? __run_timers+0x7da/0xc70 [ 404.605078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.610520] ? kasan_check_write+0x14/0x20 [ 404.614745] ? do_raw_spin_lock+0xc1/0x200 [ 404.618972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.623194] __run_timers+0x7e5/0xc70 [ 404.626989] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.632343] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.637353] ? timerqueue_add+0x207/0x2b0 [ 404.641505] ? enqueue_hrtimer+0x1a5/0x560 [ 404.645730] ? lock_release+0x970/0x970 [ 404.649692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.654875] ? kasan_check_write+0x14/0x20 [ 404.659105] ? pvclock_read_flags+0x160/0x160 [ 404.663587] ? lock_downgrade+0x900/0x900 [ 404.667731] ? trace_hardirqs_on+0xbd/0x310 [ 404.672045] ? kvm_sched_clock_read+0x9/0x20 [ 404.676464] ? irq_exit+0x17f/0x1c0 [ 404.680098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.685625] ? check_preemption_disabled+0x48/0x200 [ 404.690628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.696156] run_timer_softirq+0x52/0xb0 [ 404.700212] ? __this_cpu_preempt_check+0x1c/0x1f [ 404.705047] __do_softirq+0x30b/0xad8 [ 404.708845] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.713939] ? pvclock_read_flags+0x160/0x160 [ 404.718424] ? lapic_next_event+0x5a/0x90 [ 404.722561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.728088] ? clockevents_program_event+0x140/0x370 [ 404.733184] ? kvm_clock_read+0x18/0x30 [ 404.737149] ? kvm_sched_clock_read+0x9/0x20 [ 404.741546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.747076] ? check_preemption_disabled+0x48/0x200 [ 404.752190] irq_exit+0x17f/0x1c0 [ 404.755637] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.760476] ? smp_reschedule_interrupt+0x109/0x650 [ 404.765489] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.771365] ? interrupt_entry+0xb5/0xf0 [ 404.775433] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.780437] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.785444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.790286] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.795290] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.800646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.806172] ? check_preemption_disabled+0x48/0x200 [ 404.811177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.816710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.821555] apic_timer_interrupt+0xf/0x20 [ 404.825774] [ 404.828003] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.832924] 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 [ 404.851813] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 404.859514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 404.866774] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 404.874033] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 404.881295] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 404.888673] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 404.895941] ? trace_hardirqs_on+0xb4/0x310 [ 404.900261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.905794] skb_clone+0x1bb/0x500 [ 404.909323] ? skb_split+0x11e0/0x11e0 [ 404.913203] ? check_preemption_disabled+0x48/0x200 [ 404.918214] ? __this_cpu_preempt_check+0x1c/0x1f [ 404.923055] ? __bpf_redirect+0x54b/0xb20 [ 404.927194] ? __switch_to_asm+0x34/0x70 [ 404.931250] bpf_clone_redirect+0xb9/0x490 [ 404.935569] bpf_prog_466abe619656067b+0x436/0x1000 [ 404.940578] ? __sched_text_start+0x8/0x8 [ 404.944717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.949563] ? retint_kernel+0x2d/0x2d [ 404.953447] ? lock_acquire+0x1ed/0x520 [ 404.957416] ? bpf_test_run+0x32e/0x5a0 [ 404.961382] ? lock_downgrade+0x900/0x900 [ 404.965526] ? lock_release+0x970/0x970 [ 404.969509] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 404.975298] ? preempt_schedule_common+0x1f/0xd0 [ 404.980046] ? preempt_schedule+0x4d/0x60 [ 404.984185] ? ___preempt_schedule+0x16/0x18 [ 404.988590] ? bpf_test_run+0x1c0/0x5a0 [ 404.992559] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.996959] ? bpf_prog_test_run_skb+0x295/0xb40 [ 405.001710] ? bpf_prog_test_run_skb+0x634/0xb40 [ 405.006466] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 405.011296] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.016821] ? fput+0x130/0x1a0 [ 405.020088] ? __bpf_prog_get+0x9b/0x290 [ 405.024143] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 405.028974] ? bpf_prog_test_run+0x130/0x1a0 [ 405.033405] ? __x64_sys_bpf+0x3d8/0x510 [ 405.037464] ? bpf_prog_get+0x20/0x20 [ 405.041268] ? do_syscall_64+0x1b9/0x820 [ 405.045318] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 405.050675] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.055591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.060423] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.065437] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 405.070462] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.075477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.080313] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.085674] warn_alloc_show_mem: 1 callbacks suppressed [ 405.085683] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 405.085685] Mem-Info: [ 405.085713] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 405.085713] active_file:98 inactive_file:120 isolated_file:0 [ 405.085713] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.085713] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 405.085713] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 405.085713] free:13602 free_pcp:142 free_cma:0 [ 405.091047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.091054] Call Trace: [ 405.097975] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.100358] [ 405.133298] Node 0 [ 405.142640] dump_stack+0x1c4/0x2b4 [ 405.145222] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.172968] ? dump_stack_print_info.cold.2+0x52/0x52 [ 405.175084] lowmem_reserve[]: 0 [ 405.177321] warn_alloc.cold.119+0xb7/0x1bd [ 405.180913] 2819 [ 405.206397] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.211565] 6323 6323 [ 405.214839] ? lock_downgrade+0x900/0x900 [ 405.221173] ? trace_hardirqs_off+0xb8/0x310 [ 405.226002] Node 0 [ 405.228483] ? trace_hardirqs_off+0xb8/0x310 [ 405.232620] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 405.236993] __alloc_pages_slowpath+0x2667/0x2d80 [ 405.239200] lowmem_reserve[]: [ 405.243600] ? debug_object_activate+0x402/0x600 [ 405.270190] 0 0 [ 405.275027] ? warn_alloc+0x120/0x120 [ 405.278207] 3503 [ 405.282948] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.284891] 3503 [ 405.288674] ? warn_alloc+0x120/0x120 [ 405.295709] ? get_stack_info+0x37/0x142 [ 405.297744] Node 0 [ 405.301543] ? warn_alloc+0x120/0x120 [ 405.305600] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 405.307802] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.311569] lowmem_reserve[]: 0 [ 405.340016] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 405.345001] 0 [ 405.348265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.353002] 0 [ 405.354802] ? should_fail+0x22d/0xd01 [ 405.360307] 0 [ 405.362095] ? is_bpf_text_address+0xac/0x170 [ 405.367736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.372197] Node 0 [ 405.377276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.377283] DMA: [ 405.379502] ? should_fail+0x22d/0xd01 [ 405.385006] 1*4kB [ 405.387066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.390920] (U) [ 405.393058] ? should_fail+0x22d/0xd01 [ 405.398131] 0*8kB [ 405.400090] ? kasan_check_read+0x11/0x20 [ 405.403949] 0*16kB [ 405.406089] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.410203] 1*32kB [ 405.412431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.417679] (U) [ 405.419901] ? unwind_dump+0x190/0x190 [ 405.424973] 2*64kB [ 405.426933] ? mark_held_locks+0x130/0x130 [ 405.430787] (U) [ 405.433023] ? mark_held_locks+0x130/0x130 [ 405.437226] 1*128kB [ 405.439187] ? update_stack_state+0x1a5/0x690 [ 405.443392] (U) [ 405.445704] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.450166] 1*256kB [ 405.452126] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 405.457107] (U) [ 405.459425] ? is_bpf_text_address+0xac/0x170 [ 405.464147] 0*512kB [ 405.466108] ? lock_downgrade+0x900/0x900 [ 405.470567] 1*1024kB (U) [ 405.472884] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.476998] 1*2048kB [ 405.479739] ? kasan_check_read+0x11/0x20 [ 405.485504] (M) [ 405.487899] __alloc_pages_nodemask+0xa80/0xde0 [ 405.492015] 3*4096kB [ 405.493974] ? should_fail+0x22d/0xd01 [ 405.498610] (M) [ 405.501008] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.504864] = 15908kB [ 405.506825] ? is_bpf_text_address+0xd3/0x170 [ 405.511808] Node 0 [ 405.514215] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.518673] DMA32: [ 405.520895] ? lock_downgrade+0x900/0x900 [ 405.525532] 5*4kB [ 405.527754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.531868] (UM) [ 405.534008] cache_grow_begin+0x91/0x8c0 [ 405.539516] 0*8kB [ 405.541567] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.545598] 5*16kB [ 405.547732] fallback_alloc+0x203/0x2e0 [ 405.552109] (UMH) [ 405.554329] ____cache_alloc_node+0x1c7/0x1e0 [ 405.558272] 5*32kB [ 405.560413] kmem_cache_alloc_node+0xe3/0x730 [ 405.564873] (UMH) [ 405.567101] __alloc_skb+0x119/0x770 [ 405.571563] 7*64kB [ 405.573700] ? skb_scrub_packet+0x490/0x490 [ 405.577407] (UM) [ 405.579631] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 405.583932] 4*128kB [ 405.585981] ? queue_work_on+0x12c/0x1e0 [ 405.590531] (UM) [ 405.592842] ? switchdev_port_obj_del+0xdc/0x450 [ 405.596885] 5*256kB [ 405.599035] ? switchdev_trans_item_enqueue+0x260/0x260 [ 405.603770] (UMH) [ 405.606078] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.611783] 4*512kB (UM) [ 405.613940] __br_mdb_notify+0x4ff/0x15d0 [ 405.618917] 4*1024kB [ 405.621666] ? __br_mdb_add+0x800/0x800 [ 405.625774] (UMH) [ 405.628165] ? kasan_check_write+0x14/0x20 [ 405.628181] ? do_raw_spin_lock+0xc1/0x200 [ 405.632125] 4*2048kB [ 405.634264] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.638465] (UM) [ 405.642685] ? debug_object_assert_init+0x368/0x4b0 [ 405.645065] 2*4096kB [ 405.650149] ? debug_object_init_on_stack+0x20/0x20 [ 405.652187] (M) [ 405.657187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.659566] = 25028kB [ 405.664567] br_mdb_notify+0x310/0x410 [ 405.666514] Node 0 [ 405.672037] ? br_mdb_dump+0x2530/0x2530 [ 405.674416] Normal: [ 405.678293] br_multicast_del_pg+0x3df/0x790 [ 405.680500] 809*4kB [ 405.684545] ? br_mdb_ip_get+0x940/0x940 [ 405.686836] (UMEH) [ 405.691229] ? kasan_check_write+0x14/0x20 [ 405.693640] 372*8kB [ 405.697700] ? do_raw_spin_lock+0xc1/0x200 [ 405.699914] (UMEH) [ 405.704132] br_multicast_port_group_expired+0x189/0x1e0 [ 405.706427] 191*16kB [ 405.710643] call_timer_fn+0x272/0x920 [ 405.712848] (UMEH) [ 405.718279] ? br_multicast_del_pg+0x790/0x790 [ 405.720667] 81*32kB [ 405.724544] ? process_timeout+0x40/0x40 [ 405.726754] (UME) [ 405.731323] ? trace_hardirqs_off+0xb8/0x310 [ 405.733616] 21*64kB [ 405.737676] ? kasan_check_read+0x11/0x20 [ 405.739797] (UMH) [ 405.744190] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.746478] 3*128kB (UH) [ 405.750613] ? trace_hardirqs_on+0x310/0x310 [ 405.752735] 0*256kB [ 405.757128] ? __run_timers+0x7da/0xc70 [ 405.759857] 0*512kB [ 405.764261] ? lock_downgrade+0x900/0x900 [ 405.766555] 0*1024kB [ 405.770513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.772805] 0*2048kB [ 405.777285] ? trace_hardirqs_on+0xbd/0x310 [ 405.779671] 0*4096kB [ 405.784753] ? kasan_check_read+0x11/0x20 [ 405.787134] = 13588kB [ 405.791439] ? __run_timers+0x7da/0xc70 [ 405.793824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.797949] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.800333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.804286] ? kasan_check_write+0x14/0x20 [ 405.813091] 348 total pagecache pages [ 405.818525] ? do_raw_spin_lock+0xc1/0x200 [ 405.827481] 0 pages in swap cache [ 405.831701] ? br_multicast_del_pg+0x790/0x790 [ 405.835474] Swap cache stats: add 0, delete 0, find 0/0 [ 405.839688] __run_timers+0x7e5/0xc70 [ 405.843110] Free swap = 0kB [ 405.847679] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.853009] Total swap = 0kB [ 405.856793] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.859778] 1965979 pages RAM [ 405.865125] ? timerqueue_add+0x207/0x2b0 [ 405.868113] 0 pages HighMem/MovableOnly [ 405.873112] ? enqueue_hrtimer+0x1a5/0x560 [ 405.876187] 342307 pages reserved [ 405.880315] ? lock_release+0x970/0x970 [ 405.884509] 0 pages cma reserved [ 405.888728] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.892198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.896110] ? kasan_check_write+0x14/0x20 [ 405.899502] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.904623] ? pvclock_read_flags+0x160/0x160 [ 405.911080] syz-executor3 cpuset= [ 405.915558] ? lock_downgrade+0x900/0x900 [ 405.926009] syz3 [ 405.930492] ? trace_hardirqs_on+0xbd/0x310 [ 405.933916] mems_allowed=0 [ 405.938045] ? kvm_sched_clock_read+0x9/0x20 [ 405.951590] ? irq_exit+0x17f/0x1c0 [ 405.955207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.960737] ? check_preemption_disabled+0x48/0x200 [ 405.965744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.971275] run_timer_softirq+0x52/0xb0 [ 405.975326] ? __this_cpu_preempt_check+0x1c/0x1f [ 405.980159] __do_softirq+0x30b/0xad8 [ 405.983956] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.989050] ? pvclock_read_flags+0x160/0x160 [ 405.993536] ? lapic_next_event+0x5a/0x90 [ 405.997676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.003200] ? clockevents_program_event+0x140/0x370 [ 406.008296] ? kvm_clock_read+0x18/0x30 [ 406.012259] ? kvm_sched_clock_read+0x9/0x20 [ 406.016659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.022188] ? check_preemption_disabled+0x48/0x200 [ 406.027199] irq_exit+0x17f/0x1c0 [ 406.030650] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.035483] ? smp_reschedule_interrupt+0x109/0x650 [ 406.040490] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.046368] ? interrupt_entry+0xb5/0xf0 [ 406.050418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.055428] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.060452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.065304] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.070312] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.075320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.080852] ? check_preemption_disabled+0x48/0x200 [ 406.085856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.091388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.096227] apic_timer_interrupt+0xf/0x20 [ 406.100444] [ 406.102675] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 406.107857] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 406.126746] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.134444] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 406.141705] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 406.148963] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 406.156221] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 406.163496] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 406.170766] ? trace_hardirqs_on+0x9a/0x310 [ 406.175077] ? trace_hardirqs_on+0xb4/0x310 [ 406.179393] retint_kernel+0x1b/0x2d [ 406.183102] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 406.188374] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 406.207263] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 406.214961] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 406.222219] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 406.229503] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 406.236761] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 406.244020] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 406.251289] ? trace_hardirqs_on+0x9a/0x310 [ 406.255613] ? arch_local_irq_restore+0x45/0x52 [ 406.260277] dump_stack+0x26a/0x2b4 [ 406.263895] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.269087] ? mark_held_locks+0x130/0x130 [ 406.273312] ? mark_held_locks+0x130/0x130 [ 406.277547] dump_header+0x27b/0xf72 [ 406.281253] ? rcu_read_unlock+0x16/0x60 [ 406.285333] ? pagefault_out_of_memory+0x197/0x197 [ 406.290262] ? mark_held_locks+0x130/0x130 [ 406.294488] ? percpu_ref_put_many+0x13e/0x260 [ 406.299059] ? mem_cgroup_charge_statistics+0x780/0x780 [ 406.304420] ? mem_cgroup_iter+0x1f7/0x1160 [ 406.308750] ? mark_held_locks+0x130/0x130 [ 406.312981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.318509] ? task_will_free_mem+0x239/0xb30 [ 406.323000] ? ___ratelimit+0x36f/0x655 [ 406.326966] ? lock_downgrade+0x900/0x900 [ 406.331110] ? trace_hardirqs_on+0xbd/0x310 [ 406.335420] ? kasan_check_read+0x11/0x20 [ 406.339557] ? ___ratelimit+0x36f/0x655 [ 406.343525] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.348967] ? trace_hardirqs_on+0x310/0x310 [ 406.353366] ? lock_downgrade+0x900/0x900 [ 406.357505] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.362604] ? ___ratelimit+0xaa/0x655 [ 406.366482] ? idr_get_free+0xec0/0xec0 [ 406.370444] ? kasan_check_write+0x14/0x20 [ 406.374667] ? do_raw_spin_lock+0xc1/0x200 [ 406.378894] oom_kill_process.cold.27+0x10/0x903 [ 406.383640] ? lock_downgrade+0x900/0x900 [ 406.387782] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.393572] ? oom_evaluate_task+0x540/0x540 [ 406.397981] ? oom_unkillable_task+0x383/0x580 [ 406.402551] ? out_of_memory+0x974/0x1430 [ 406.406690] ? lock_downgrade+0x900/0x900 [ 406.410831] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.416618] ? __cpuset_node_allowed+0x19b/0x660 [ 406.421369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.426896] ? oom_evaluate_task+0x302/0x540 [ 406.431297] out_of_memory+0xa84/0x1430 [ 406.435380] ? oom_killer_disable+0x3a0/0x3a0 [ 406.439876] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 406.444798] ? __mutex_add_waiter+0x2a0/0x2a0 [ 406.449282] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.454286] ? find_next_bit+0x104/0x130 [ 406.458350] __alloc_pages_slowpath+0x2318/0x2d80 [ 406.463200] ? warn_alloc+0x120/0x120 [ 406.466988] ? __radix_tree_lookup+0x4c0/0x4c0 [ 406.471566] ? find_get_entry+0x2f2/0xc40 [ 406.475714] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 406.480644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.486170] ? should_fail+0x22d/0xd01 [ 406.490057] ? ___might_sleep+0x1ed/0x300 [ 406.494191] ? lock_release+0x970/0x970 [ 406.498244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.503346] ? debug_smp_processor_id+0x1c/0x20 [ 406.508014] ? __might_sleep+0x95/0x190 [ 406.511983] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 406.516821] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.521833] ? lock_downgrade+0x900/0x900 [ 406.525973] ? ___might_sleep+0x1ed/0x300 [ 406.530110] ? lock_release+0x970/0x970 [ 406.534073] ? arch_local_save_flags+0x40/0x40 [ 406.538656] ? finish_task_switch+0x1f5/0x900 [ 406.543145] ? __might_sleep+0x95/0x190 [ 406.547112] __alloc_pages_nodemask+0xa80/0xde0 [ 406.551775] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.556785] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.562580] ? mark_held_locks+0x130/0x130 [ 406.566804] ? kasan_check_write+0x14/0x20 [ 406.571031] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 406.575696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.581225] ? __do_page_cache_readahead+0x7ce/0x980 [ 406.586329] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 406.591872] alloc_pages_current+0x10c/0x210 [ 406.596269] ? lock_downgrade+0x900/0x900 [ 406.600410] __page_cache_alloc+0x38f/0x5b0 [ 406.604721] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.610511] ? ext4_filemap_fault+0x82/0xad [ 406.614824] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 406.619480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.625010] ? check_preemption_disabled+0x48/0x200 [ 406.630019] filemap_fault+0x1594/0x25f0 [ 406.634080] ? __lock_page_or_retry+0xa00/0xa00 [ 406.638739] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.644530] ? lock_downgrade+0x900/0x900 [ 406.648676] ? trace_hardirqs_on+0xbd/0x310 [ 406.652990] ? kasan_check_read+0x11/0x20 [ 406.657135] ? __free_object+0x173/0x340 [ 406.661192] ? filemap_map_pages+0xdea/0x1980 [ 406.665690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.670786] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 406.676054] ? debug_object_free+0x325/0x690 [ 406.680452] ? find_get_pages_range_tag+0x1320/0x1320 [ 406.685635] ? do_raw_spin_lock+0xc1/0x200 [ 406.689862] ? kasan_check_read+0x11/0x20 [ 406.693999] ? debug_object_destroy+0x2b0/0x2b0 [ 406.698668] ? kasan_check_write+0x14/0x20 [ 406.702904] ? lock_acquire+0x1ed/0x520 [ 406.706873] ? ext4_filemap_fault+0x7a/0xad [ 406.711186] ? lock_release+0x970/0x970 [ 406.715154] ? arch_local_save_flags+0x40/0x40 [ 406.719730] ? futex_wait_setup+0x3e0/0x3e0 [ 406.724049] ? down_read+0xb0/0x1d0 [ 406.727666] ? ext4_filemap_fault+0x7a/0xad [ 406.731984] ? __down_interruptible+0x700/0x700 [ 406.736650] ext4_filemap_fault+0x82/0xad [ 406.740791] __do_fault+0x100/0x6b0 [ 406.744409] ? print_bad_pte+0x6c0/0x6c0 [ 406.748459] ? do_futex+0x249/0x26d0 [ 406.752164] ? pmd_val+0x88/0x100 [ 406.755622] ? add_mm_counter_fast+0xd0/0xd0 [ 406.760023] ? pmd_val+0x88/0x100 [ 406.763467] ? add_mm_counter_fast+0xd0/0xd0 [ 406.767871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.773399] __handle_mm_fault+0x3709/0x53e0 [ 406.777797] ? perf_trace_lock+0x14d/0x7a0 [ 406.782030] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 406.786866] ? ksys_dup3+0x680/0x680 [ 406.790574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.796104] ? should_fail+0x22d/0xd01 [ 406.799990] ? lock_acquire+0x1ed/0x520 [ 406.803959] ? handle_mm_fault+0x42a/0xc70 [ 406.808182] ? lock_downgrade+0x900/0x900 [ 406.812327] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.818111] ? lock_downgrade+0x900/0x900 [ 406.822250] ? __do_page_fault+0x67d/0xed0 [ 406.826476] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.831915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.837441] ? check_preemption_disabled+0x48/0x200 [ 406.842450] handle_mm_fault+0x54f/0xc70 [ 406.846505] ? __handle_mm_fault+0x53e0/0x53e0 [ 406.851078] ? find_vma+0x34/0x190 [ 406.854649] __do_page_fault+0x67d/0xed0 [ 406.858704] ? mm_fault_error+0x380/0x380 [ 406.862840] ? trace_hardirqs_off+0xb8/0x310 [ 406.867238] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.872589] ? trace_hardirqs_on+0x310/0x310 [ 406.876989] do_page_fault+0xf2/0x7e0 [ 406.880779] ? vmalloc_sync_all+0x30/0x30 [ 406.884933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.890461] ? error_entry+0x70/0xd0 [ 406.894184] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.899189] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.904197] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.909119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.913949] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.918954] ? trace_hardirqs_off+0x310/0x310 [ 406.923446] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.928448] ? page_fault+0x8/0x30 [ 406.931980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.936812] ? page_fault+0x8/0x30 [ 406.940340] page_fault+0x1e/0x30 [ 406.943783] RIP: 0033:0x40f9c0 [ 406.946973] Code: Bad RIP value. [ 406.950321] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 406.955673] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 406.962929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 406.970188] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 406.977447] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 406.984707] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 406.991986] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 406.992103] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.999259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.009463] syz-fuzzer cpuset= [ 407.018790] Call Trace: [ 407.018797] / [ 407.021964] [ 407.024533] mems_allowed=0 [ 407.026231] dump_stack+0x1c4/0x2b4 [ 407.034876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 407.040066] warn_alloc.cold.119+0xb7/0x1bd [ 407.044379] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.049216] ? lock_downgrade+0x900/0x900 [ 407.053358] ? trace_hardirqs_off+0xb8/0x310 [ 407.057760] ? trace_hardirqs_off+0xb8/0x310 [ 407.062171] __alloc_pages_slowpath+0x2667/0x2d80 [ 407.067018] ? warn_alloc+0x120/0x120 [ 407.070813] ? trace_hardirqs_on+0x310/0x310 [ 407.075314] ? warn_alloc+0x120/0x120 [ 407.079107] ? warn_alloc+0x120/0x120 [ 407.082896] ? ktime_get+0x2e1/0x440 [ 407.086603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.092132] ? check_preemption_disabled+0x48/0x200 [ 407.097138] ? kasan_check_read+0x11/0x20 [ 407.101282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.106809] ? should_fail+0x22d/0xd01 [ 407.110684] ? rcu_bh_qs+0xc0/0xc0 [ 407.114216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.119324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.124867] ? should_fail+0x22d/0xd01 [ 407.128748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.133840] ? should_fail+0x22d/0xd01 [ 407.137718] ? rcu_idle_enter+0x4b0/0x4b0 [ 407.141856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.146948] ? mark_held_locks+0x130/0x130 [ 407.151175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.156699] ? mark_held_locks+0x130/0x130 [ 407.161009] ? rcu_irq_exit+0xce/0x100 [ 407.164892] ? irq_exit+0xbd/0x1c0 [ 407.168429] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 407.173433] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.177837] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.183713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.189236] ? ret_from_intr+0xb/0x1e [ 407.193034] ? retint_kernel+0x2d/0x2d [ 407.196915] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.201834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.206578] ? trace_hardirqs_off+0x310/0x310 [ 407.211065] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.216168] __alloc_pages_nodemask+0xa80/0xde0 [ 407.220825] ? should_fail+0x22d/0xd01 [ 407.224706] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.229723] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.234380] ? lock_downgrade+0x900/0x900 [ 407.238520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.244051] cache_grow_begin+0x91/0x8c0 [ 407.248105] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.252512] fallback_alloc+0x203/0x2e0 [ 407.256485] ____cache_alloc_node+0x1c7/0x1e0 [ 407.260979] kmem_cache_alloc_node+0xe3/0x730 [ 407.265473] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.269718] __alloc_skb+0x119/0x770 [ 407.273427] ? skb_scrub_packet+0x490/0x490 [ 407.277738] ? lock_downgrade+0x900/0x900 [ 407.281882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.287412] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.292856] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.298299] ? addrconf_rs_timer+0x690/0x690 [ 407.302709] ndisc_alloc_skb+0x144/0x340 [ 407.306764] ndisc_send_rs+0x331/0x6e0 [ 407.310646] addrconf_rs_timer+0x314/0x690 [ 407.314870] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.320401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.324635] call_timer_fn+0x272/0x920 [ 407.328511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.332736] ? process_timeout+0x40/0x40 [ 407.336786] ? trace_hardirqs_off+0xb8/0x310 [ 407.341180] ? kasan_check_read+0x11/0x20 [ 407.345317] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.349719] ? trace_hardirqs_on+0x310/0x310 [ 407.354122] ? __run_timers+0x7da/0xc70 [ 407.358097] ? lock_downgrade+0x900/0x900 [ 407.362237] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.367337] ? trace_hardirqs_on+0xbd/0x310 [ 407.371645] ? kasan_check_read+0x11/0x20 [ 407.375781] ? __run_timers+0x7da/0xc70 [ 407.379855] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.385302] ? kasan_check_write+0x14/0x20 [ 407.389530] ? do_raw_spin_lock+0xc1/0x200 [ 407.393757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.397981] __run_timers+0x7e5/0xc70 [ 407.401783] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.407136] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.412142] ? timerqueue_add+0x207/0x2b0 [ 407.416280] ? enqueue_hrtimer+0x1a5/0x560 [ 407.420504] ? lock_release+0x970/0x970 [ 407.424469] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.429652] ? kasan_check_write+0x14/0x20 [ 407.433881] ? pvclock_read_flags+0x160/0x160 [ 407.438365] ? lock_downgrade+0x900/0x900 [ 407.442512] ? trace_hardirqs_on+0xbd/0x310 [ 407.446824] ? kvm_sched_clock_read+0x9/0x20 [ 407.451224] ? irq_exit+0x17f/0x1c0 [ 407.454848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.460375] ? check_preemption_disabled+0x48/0x200 [ 407.465383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.470912] run_timer_softirq+0x52/0xb0 [ 407.474964] ? __this_cpu_preempt_check+0x1c/0x1f [ 407.479797] __do_softirq+0x30b/0xad8 [ 407.483594] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.488693] ? pvclock_read_flags+0x160/0x160 [ 407.493179] ? lapic_next_event+0x5a/0x90 [ 407.497317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.502843] ? clockevents_program_event+0x140/0x370 [ 407.507937] ? kvm_clock_read+0x18/0x30 [ 407.511901] ? kvm_sched_clock_read+0x9/0x20 [ 407.516312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.521841] ? check_preemption_disabled+0x48/0x200 [ 407.526850] irq_exit+0x17f/0x1c0 [ 407.530297] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.535130] ? smp_reschedule_interrupt+0x109/0x650 [ 407.540137] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.546013] ? interrupt_entry+0xb5/0xf0 [ 407.550065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.555069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.560079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.564915] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.569917] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.574925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.580455] ? check_preemption_disabled+0x48/0x200 [ 407.585463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.591001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.595835] apic_timer_interrupt+0xf/0x20 [ 407.600055] [ 407.602288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.607206] 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 [ 407.626519] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 407.634230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 407.641489] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 407.648749] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 407.656006] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 407.663266] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 407.670548] ? trace_hardirqs_on+0xb4/0x310 [ 407.674867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.680399] skb_clone+0x1bb/0x500 [ 407.683930] ? skb_split+0x11e0/0x11e0 [ 407.687811] ? check_preemption_disabled+0x48/0x200 [ 407.692822] ? __this_cpu_preempt_check+0x1c/0x1f [ 407.697673] ? __bpf_redirect+0x54b/0xb20 [ 407.701828] ? __switch_to_asm+0x34/0x70 [ 407.705884] bpf_clone_redirect+0xb9/0x490 [ 407.710121] bpf_prog_466abe619656067b+0x436/0x1000 [ 407.715131] ? __sched_text_start+0x8/0x8 [ 407.719269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.724019] ? retint_kernel+0x2d/0x2d [ 407.727903] ? lock_acquire+0x1ed/0x520 [ 407.731864] ? bpf_test_run+0x32e/0x5a0 [ 407.735829] ? lock_downgrade+0x900/0x900 [ 407.739978] ? lock_release+0x970/0x970 [ 407.743943] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 407.749736] ? preempt_schedule_common+0x1f/0xd0 [ 407.754486] ? preempt_schedule+0x4d/0x60 [ 407.758621] ? ___preempt_schedule+0x16/0x18 [ 407.763024] ? bpf_test_run+0x1c0/0x5a0 [ 407.766997] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.771398] ? bpf_prog_test_run_skb+0x295/0xb40 [ 407.776143] ? bpf_prog_test_run_skb+0x634/0xb40 [ 407.781382] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.786220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.791747] ? fput+0x130/0x1a0 [ 407.795016] ? __bpf_prog_get+0x9b/0x290 [ 407.799067] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.803896] ? bpf_prog_test_run+0x130/0x1a0 [ 407.808295] ? __x64_sys_bpf+0x3d8/0x510 [ 407.812344] ? bpf_prog_get+0x20/0x20 [ 407.816160] ? do_syscall_64+0x1b9/0x820 [ 407.820215] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.825572] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.830492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.835325] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.840331] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.845338] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.850346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.855183] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.860546] warn_alloc_show_mem: 1 callbacks suppressed [ 407.860555] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 407.860557] Mem-Info: [ 407.860585] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 407.860585] active_file:98 inactive_file:120 isolated_file:0 [ 407.860585] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.860585] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 407.860585] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 407.860585] free:13602 free_pcp:142 free_cma:0 [ 407.865917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.872833] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.875224] Call Trace: [ 407.908164] Node 0 [ 407.917498] [ 407.945286] 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 [ 407.947839] dump_stack+0x1c4/0x2b4 [ 407.950043] lowmem_reserve[]: [ 407.952178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 407.977649] 0 [ 407.981265] warn_alloc.cold.119+0xb7/0x1bd [ 407.984334] 2819 [ 407.989507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.991277] 6323 [ 407.995582] ? lock_downgrade+0x900/0x900 [ 407.997610] 6323 [ 408.002449] ? trace_hardirqs_off+0xb8/0x310 [ 408.004474] Node 0 [ 408.008605] ? trace_hardirqs_off+0xb8/0x310 [ 408.010660] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 408.015032] __alloc_pages_slowpath+0x2667/0x2d80 [ 408.017239] lowmem_reserve[]: [ 408.021638] ? debug_object_activate+0x402/0x600 [ 408.048142] 0 [ 408.052968] ? warn_alloc+0x120/0x120 [ 408.056040] 0 [ 408.060782] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.062551] 3503 [ 408.066428] ? warn_alloc+0x120/0x120 [ 408.068321] 3503 [ 408.073341] ? get_stack_info+0x37/0x142 [ 408.079169] ? warn_alloc+0x120/0x120 [ 408.081208] Node 0 [ 408.085262] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.089054] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 408.091253] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 408.096233] lowmem_reserve[]: [ 408.124786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.129506] 0 [ 408.132594] ? should_fail+0x22d/0xd01 [ 408.138096] 0 [ 408.139883] ? is_bpf_text_address+0xac/0x170 [ 408.143735] 0 [ 408.145524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.149986] 0 [ 408.151772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.158625] ? should_fail+0x22d/0xd01 [ 408.164131] Node 0 DMA: [ 408.168006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.168019] ? should_fail+0x22d/0xd01 [ 408.170758] 1*4kB [ 408.175841] ? kasan_check_read+0x11/0x20 [ 408.179695] (U) [ 408.181832] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.185950] 0*8kB [ 408.187910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.193158] 0*16kB [ 408.195302] ? unwind_dump+0x190/0x190 [ 408.200371] 1*32kB [ 408.202591] ? mark_held_locks+0x130/0x130 [ 408.206446] (U) [ 408.208667] ? mark_held_locks+0x130/0x130 [ 408.212872] 2*64kB [ 408.214833] ? update_stack_state+0x1a5/0x690 [ 408.219049] (U) [ 408.221272] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.225739] 1*128kB [ 408.227716] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 408.232697] (U) [ 408.235006] ? is_bpf_text_address+0xac/0x170 [ 408.239727] 1*256kB [ 408.241685] ? lock_downgrade+0x900/0x900 [ 408.246145] (U) [ 408.248458] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.252584] 0*512kB [ 408.254546] ? kasan_check_read+0x11/0x20 [ 408.260312] 1*1024kB [ 408.262621] __alloc_pages_nodemask+0xa80/0xde0 [ 408.266734] (U) [ 408.269126] ? should_fail+0x22d/0xd01 [ 408.273762] 1*2048kB [ 408.275722] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.279587] (M) [ 408.281982] ? is_bpf_text_address+0xd3/0x170 [ 408.286968] 3*4096kB [ 408.288940] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.293412] (M) [ 408.295812] ? lock_downgrade+0x900/0x900 [ 408.300450] = 15908kB [ 408.302409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.306524] Node 0 [ 408.308916] cache_grow_begin+0x91/0x8c0 [ 408.314417] DMA32: 5*4kB [ 408.316644] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.320671] (UM) [ 408.323418] fallback_alloc+0x203/0x2e0 [ 408.327789] 0*8kB [ 408.329837] ____cache_alloc_node+0x1c7/0x1e0 [ 408.333777] 5*16kB [ 408.335912] kmem_cache_alloc_node+0xe3/0x730 [ 408.340375] (UMH) [ 408.342598] __alloc_skb+0x119/0x770 [ 408.347060] 5*32kB [ 408.349192] ? skb_scrub_packet+0x490/0x490 [ 408.352872] (UMH) [ 408.355093] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 408.359392] 7*64kB [ 408.361528] ? queue_work_on+0x12c/0x1e0 [ 408.366104] (UM) [ 408.368329] ? switchdev_port_obj_del+0xdc/0x450 [ 408.372357] 4*128kB [ 408.374404] ? switchdev_trans_item_enqueue+0x260/0x260 [ 408.379127] (UM) [ 408.381445] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.386777] 5*256kB [ 408.388825] __br_mdb_notify+0x4ff/0x15d0 [ 408.393806] (UMH) [ 408.396118] ? __br_mdb_add+0x800/0x800 [ 408.400232] 4*512kB [ 408.402361] ? kasan_check_write+0x14/0x20 [ 408.406305] (UM) [ 408.408613] ? do_raw_spin_lock+0xc1/0x200 [ 408.412816] 4*1024kB [ 408.414867] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.419067] (UMH) [ 408.421461] ? debug_object_assert_init+0x368/0x4b0 [ 408.426537] 4*2048kB [ 408.428673] ? debug_object_init_on_stack+0x20/0x20 [ 408.433657] (UM) [ 408.436055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.441039] 2*4096kB [ 408.443084] br_mdb_notify+0x310/0x410 [ 408.448590] (M) [ 408.450983] ? br_mdb_dump+0x2530/0x2530 [ 408.454838] = 25028kB [ 408.456802] br_multicast_del_pg+0x3df/0x790 [ 408.460831] Node 0 [ 408.463228] ? br_mdb_ip_get+0x940/0x940 [ 408.467602] Normal: [ 408.469823] ? kasan_check_write+0x14/0x20 [ 408.473855] 809*4kB [ 408.476171] ? do_raw_spin_lock+0xc1/0x200 [ 408.480370] (UMEH) [ 408.482678] br_multicast_port_group_expired+0x189/0x1e0 [ 408.486880] 372*8kB [ 408.489101] call_timer_fn+0x272/0x920 [ 408.494516] (UMEH) [ 408.496822] ? br_multicast_del_pg+0x790/0x790 [ 408.500681] 191*16kB [ 408.502902] ? process_timeout+0x40/0x40 [ 408.507451] (UMEH) [ 408.509870] ? trace_hardirqs_off+0xb8/0x310 [ 408.513902] 81*32kB [ 408.516126] ? kasan_check_read+0x11/0x20 [ 408.520513] (UME) [ 408.522839] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.526956] 21*64kB [ 408.529092] ? trace_hardirqs_on+0x310/0x310 [ 408.533467] (UMH) [ 408.535791] ? __run_timers+0x7da/0xc70 [ 408.540169] 3*128kB [ 408.542305] ? lock_downgrade+0x900/0x900 [ 408.546258] (UH) [ 408.548577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.552708] 0*256kB [ 408.554755] ? trace_hardirqs_on+0xbd/0x310 [ 408.559914] 0*512kB [ 408.562224] ? kasan_check_read+0x11/0x20 [ 408.566512] 0*1024kB [ 408.568820] ? __run_timers+0x7da/0xc70 [ 408.572934] 0*2048kB [ 408.575328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.579272] 0*4096kB [ 408.581665] ? kasan_check_write+0x14/0x20 [ 408.587083] = 13588kB [ 408.589477] ? do_raw_spin_lock+0xc1/0x200 [ 408.593683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.596074] ? br_multicast_del_pg+0x790/0x790 [ 408.600380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.609201] __run_timers+0x7e5/0xc70 [ 408.613748] 348 total pagecache pages [ 408.622322] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.626089] 0 pages in swap cache [ 408.629870] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.635232] Swap cache stats: add 0, delete 0, find 0/0 [ 408.638668] ? timerqueue_add+0x207/0x2b0 [ 408.643650] Free swap = 0kB [ 408.648992] ? enqueue_hrtimer+0x1a5/0x560 [ 408.653107] Total swap = 0kB [ 408.656116] ? lock_release+0x970/0x970 [ 408.660327] 1965979 pages RAM [ 408.663328] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.667270] 0 pages HighMem/MovableOnly [ 408.670357] ? kasan_check_write+0x14/0x20 [ 408.675514] 342307 pages reserved [ 408.679484] ? pvclock_read_flags+0x160/0x160 [ 408.683685] 0 pages cma reserved [ 408.687128] ? lock_downgrade+0x900/0x900 [ 408.691672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.694946] ? trace_hardirqs_on+0xbd/0x310 [ 408.699141] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.705538] ? kvm_sched_clock_read+0x9/0x20 [ 408.709829] syz-executor3 cpuset= [ 408.720295] ? irq_exit+0x17f/0x1c0 [ 408.724672] syz3 [ 408.728112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.731714] mems_allowed=0 [ 408.733675] ? check_preemption_disabled+0x48/0x200 [ 408.747087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.752615] run_timer_softirq+0x52/0xb0 [ 408.756666] ? __this_cpu_preempt_check+0x1c/0x1f [ 408.761497] __do_softirq+0x30b/0xad8 [ 408.765292] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.770393] ? pvclock_read_flags+0x160/0x160 [ 408.774878] ? lapic_next_event+0x5a/0x90 [ 408.779012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.784540] ? clockevents_program_event+0x140/0x370 [ 408.789646] ? kvm_clock_read+0x18/0x30 [ 408.793611] ? kvm_sched_clock_read+0x9/0x20 [ 408.798008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.803536] ? check_preemption_disabled+0x48/0x200 [ 408.808546] irq_exit+0x17f/0x1c0 [ 408.811987] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.816818] ? smp_reschedule_interrupt+0x109/0x650 [ 408.821825] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.827696] ? interrupt_entry+0xb5/0xf0 [ 408.831746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.836842] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.841847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.846678] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.851683] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.856689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.862218] ? check_preemption_disabled+0x48/0x200 [ 408.867224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.872754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.877593] apic_timer_interrupt+0xf/0x20 [ 408.881814] [ 408.884047] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 408.889229] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 408.908124] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 408.915827] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 408.923087] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 408.930350] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 408.937612] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 408.944873] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 408.952145] ? trace_hardirqs_on+0x9a/0x310 [ 408.956455] ? trace_hardirqs_on+0xb4/0x310 [ 408.960778] retint_kernel+0x1b/0x2d [ 408.964485] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 408.969748] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 408.988637] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 408.996333] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 409.003595] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 409.010854] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 409.018119] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 409.025378] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 409.032643] ? trace_hardirqs_on+0x9a/0x310 [ 409.036956] ? arch_local_irq_restore+0x45/0x52 [ 409.041618] dump_stack+0x26a/0x2b4 [ 409.045237] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.050425] ? mark_held_locks+0x130/0x130 [ 409.054661] ? mark_held_locks+0x130/0x130 [ 409.058892] dump_header+0x27b/0xf72 [ 409.062597] ? rcu_read_unlock+0x16/0x60 [ 409.066650] ? pagefault_out_of_memory+0x197/0x197 [ 409.071570] ? mark_held_locks+0x130/0x130 [ 409.075797] ? percpu_ref_put_many+0x13e/0x260 [ 409.080377] ? mem_cgroup_charge_statistics+0x780/0x780 [ 409.085736] ? mem_cgroup_iter+0x1f7/0x1160 [ 409.090051] ? mark_held_locks+0x130/0x130 [ 409.094282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.099811] ? task_will_free_mem+0x239/0xb30 [ 409.104308] ? ___ratelimit+0x36f/0x655 [ 409.108270] ? lock_downgrade+0x900/0x900 [ 409.112415] ? trace_hardirqs_on+0xbd/0x310 [ 409.116724] ? kasan_check_read+0x11/0x20 [ 409.120866] ? ___ratelimit+0x36f/0x655 [ 409.124837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.130280] ? trace_hardirqs_on+0x310/0x310 [ 409.134681] ? lock_downgrade+0x900/0x900 [ 409.138821] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.143919] ? ___ratelimit+0xaa/0x655 [ 409.147797] ? idr_get_free+0xec0/0xec0 [ 409.151762] ? kasan_check_write+0x14/0x20 [ 409.155995] ? do_raw_spin_lock+0xc1/0x200 [ 409.160226] oom_kill_process.cold.27+0x10/0x903 [ 409.164970] ? lock_downgrade+0x900/0x900 [ 409.169119] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.174909] ? oom_evaluate_task+0x540/0x540 [ 409.179312] ? oom_unkillable_task+0x383/0x580 [ 409.183904] ? out_of_memory+0x974/0x1430 [ 409.188041] ? lock_downgrade+0x900/0x900 [ 409.192272] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.198060] ? __cpuset_node_allowed+0x19b/0x660 [ 409.202816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.208348] ? oom_evaluate_task+0x302/0x540 [ 409.212844] out_of_memory+0xa84/0x1430 [ 409.216813] ? oom_killer_disable+0x3a0/0x3a0 [ 409.221303] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 409.226225] ? __mutex_add_waiter+0x2a0/0x2a0 [ 409.230710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.235714] ? find_next_bit+0x104/0x130 [ 409.239769] __alloc_pages_slowpath+0x2318/0x2d80 [ 409.244618] ? warn_alloc+0x120/0x120 [ 409.248406] ? __radix_tree_lookup+0x4c0/0x4c0 [ 409.252988] ? find_get_entry+0x2f2/0xc40 [ 409.257135] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 409.262063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.267593] ? should_fail+0x22d/0xd01 [ 409.271469] ? ___might_sleep+0x1ed/0x300 [ 409.275605] ? lock_release+0x970/0x970 [ 409.279572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.284667] ? debug_smp_processor_id+0x1c/0x20 [ 409.289334] ? __might_sleep+0x95/0x190 [ 409.293304] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 409.298146] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.303161] ? lock_downgrade+0x900/0x900 [ 409.307299] ? ___might_sleep+0x1ed/0x300 [ 409.311439] ? lock_release+0x970/0x970 [ 409.315406] ? arch_local_save_flags+0x40/0x40 [ 409.319976] ? finish_task_switch+0x1f5/0x900 [ 409.324466] ? __might_sleep+0x95/0x190 [ 409.328448] __alloc_pages_nodemask+0xa80/0xde0 [ 409.333110] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.338120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.343907] ? mark_held_locks+0x130/0x130 [ 409.348133] ? kasan_check_write+0x14/0x20 [ 409.352363] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 409.357031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.362558] ? __do_page_cache_readahead+0x7ce/0x980 [ 409.367657] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.373204] alloc_pages_current+0x10c/0x210 [ 409.377605] ? lock_downgrade+0x900/0x900 [ 409.381749] __page_cache_alloc+0x38f/0x5b0 [ 409.386072] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.391865] ? ext4_filemap_fault+0x82/0xad [ 409.396195] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 409.400856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.406383] ? check_preemption_disabled+0x48/0x200 [ 409.411397] filemap_fault+0x1594/0x25f0 [ 409.415455] ? __lock_page_or_retry+0xa00/0xa00 [ 409.420115] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.425903] ? lock_downgrade+0x900/0x900 [ 409.430045] ? trace_hardirqs_on+0xbd/0x310 [ 409.434360] ? kasan_check_read+0x11/0x20 [ 409.438513] ? __free_object+0x173/0x340 [ 409.442568] ? filemap_map_pages+0xdea/0x1980 [ 409.447065] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.452161] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 409.457425] ? debug_object_free+0x325/0x690 [ 409.461830] ? find_get_pages_range_tag+0x1320/0x1320 [ 409.467012] ? do_raw_spin_lock+0xc1/0x200 [ 409.471242] ? kasan_check_read+0x11/0x20 [ 409.475384] ? debug_object_destroy+0x2b0/0x2b0 [ 409.480043] ? kasan_check_write+0x14/0x20 [ 409.484281] ? lock_acquire+0x1ed/0x520 [ 409.488246] ? ext4_filemap_fault+0x7a/0xad [ 409.492561] ? lock_release+0x970/0x970 [ 409.496527] ? arch_local_save_flags+0x40/0x40 [ 409.501099] ? futex_wait_setup+0x3e0/0x3e0 [ 409.505420] ? down_read+0xb0/0x1d0 [ 409.509035] ? ext4_filemap_fault+0x7a/0xad [ 409.513354] ? __down_interruptible+0x700/0x700 [ 409.518021] ext4_filemap_fault+0x82/0xad [ 409.522163] __do_fault+0x100/0x6b0 [ 409.525783] ? print_bad_pte+0x6c0/0x6c0 [ 409.529836] ? do_futex+0x249/0x26d0 [ 409.533540] ? pmd_val+0x88/0x100 [ 409.536982] ? add_mm_counter_fast+0xd0/0xd0 [ 409.541377] ? pmd_val+0x88/0x100 [ 409.544821] ? add_mm_counter_fast+0xd0/0xd0 [ 409.549227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.554755] __handle_mm_fault+0x3709/0x53e0 [ 409.559150] ? perf_trace_lock+0x14d/0x7a0 [ 409.563377] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 409.568213] ? ksys_dup3+0x680/0x680 [ 409.571915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.577444] ? should_fail+0x22d/0xd01 [ 409.581328] ? lock_acquire+0x1ed/0x520 [ 409.585299] ? handle_mm_fault+0x42a/0xc70 [ 409.589528] ? lock_downgrade+0x900/0x900 [ 409.593667] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.599453] ? lock_downgrade+0x900/0x900 [ 409.603589] ? __do_page_fault+0x67d/0xed0 [ 409.607813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.613702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.619234] ? check_preemption_disabled+0x48/0x200 [ 409.624246] handle_mm_fault+0x54f/0xc70 [ 409.628306] ? __handle_mm_fault+0x53e0/0x53e0 [ 409.632881] ? find_vma+0x34/0x190 [ 409.636414] __do_page_fault+0x67d/0xed0 [ 409.640468] ? mm_fault_error+0x380/0x380 [ 409.644614] ? trace_hardirqs_off+0xb8/0x310 [ 409.649014] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.654378] ? trace_hardirqs_on+0x310/0x310 [ 409.658780] do_page_fault+0xf2/0x7e0 [ 409.662574] ? vmalloc_sync_all+0x30/0x30 [ 409.666710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.672235] ? error_entry+0x70/0xd0 [ 409.675942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.680947] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.685869] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.690787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.695623] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.700627] ? trace_hardirqs_off+0x310/0x310 [ 409.705113] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.710115] ? page_fault+0x8/0x30 [ 409.713648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.718483] ? page_fault+0x8/0x30 [ 409.722014] page_fault+0x1e/0x30 [ 409.725463] RIP: 0033:0x40f9c0 [ 409.728648] Code: Bad RIP value. [ 409.732001] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 409.737358] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 409.744616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 409.751870] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 409.759126] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 409.766384] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 409.773659] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 409.773774] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.781455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.791652] syz-fuzzer cpuset= [ 409.801066] Call Trace: [ 409.801073] / [ 409.804242] [ 409.806803] mems_allowed=0 [ 409.808504] dump_stack+0x1c4/0x2b4 [ 409.817145] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.822849] ? debug_smp_processor_id+0x1c/0x20 [ 409.827515] warn_alloc.cold.119+0xb7/0x1bd [ 409.831830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.836662] ? lock_downgrade+0x900/0x900 [ 409.840810] ? trace_hardirqs_off+0xb8/0x310 [ 409.845211] ? trace_hardirqs_off+0xb8/0x310 [ 409.849615] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.854465] ? warn_alloc+0x120/0x120 [ 409.858255] ? debug_object_activate+0x402/0x600 [ 409.863012] ? warn_alloc+0x120/0x120 [ 409.866810] ? debug_object_assert_init+0x4b0/0x4b0 [ 409.871818] ? warn_alloc+0x120/0x120 [ 409.875609] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.880615] ? timerqueue_add+0x207/0x2b0 [ 409.884756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.890288] ? should_fail+0x22d/0xd01 [ 409.894168] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.899349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.904439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.909965] ? should_fail+0x22d/0xd01 [ 409.913843] ? kasan_check_write+0x14/0x20 [ 409.918071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.923252] ? should_fail+0x22d/0xd01 [ 409.927133] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.932224] ? lock_downgrade+0x900/0x900 [ 409.936360] ? mark_held_locks+0x130/0x130 [ 409.940591] ? mark_held_locks+0x130/0x130 [ 409.944819] ? update_stack_state+0x1a5/0x690 [ 409.949306] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.954314] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 409.959065] ? is_bpf_text_address+0xac/0x170 [ 409.963549] ? lock_downgrade+0x900/0x900 [ 409.967693] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 409.973476] ? kasan_check_read+0x11/0x20 [ 409.977612] __alloc_pages_nodemask+0xa80/0xde0 [ 409.982266] ? should_fail+0x22d/0xd01 [ 409.986149] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.991333] ? is_bpf_text_address+0xd3/0x170 [ 409.995841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.000498] ? lock_downgrade+0x900/0x900 [ 410.004654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.010189] cache_grow_begin+0x91/0x8c0 [ 410.014239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.018639] fallback_alloc+0x203/0x2e0 [ 410.022603] ____cache_alloc_node+0x1c7/0x1e0 [ 410.027095] kmem_cache_alloc_node+0xe3/0x730 [ 410.031581] __alloc_skb+0x119/0x770 [ 410.035287] ? skb_scrub_packet+0x490/0x490 [ 410.039594] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 410.044168] ? queue_work_on+0x12c/0x1e0 [ 410.048222] ? switchdev_port_obj_del+0xdc/0x450 [ 410.052987] ? switchdev_trans_item_enqueue+0x260/0x260 [ 410.058346] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.063367] __br_mdb_notify+0x4ff/0x15d0 [ 410.067504] ? __br_mdb_add+0x800/0x800 [ 410.071467] ? kasan_check_write+0x14/0x20 [ 410.075722] ? do_raw_spin_lock+0xc1/0x200 [ 410.079950] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.085044] ? debug_object_assert_init+0x368/0x4b0 [ 410.090053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.095489] ? debug_object_init_on_stack+0x20/0x20 [ 410.100494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.106029] br_mdb_notify+0x310/0x410 [ 410.109909] ? br_mdb_dump+0x2530/0x2530 [ 410.113968] br_multicast_del_pg+0x3df/0x790 [ 410.118375] ? br_mdb_ip_get+0x940/0x940 [ 410.122431] ? kasan_check_write+0x14/0x20 [ 410.126659] ? do_raw_spin_lock+0xc1/0x200 [ 410.130886] br_multicast_port_group_expired+0x189/0x1e0 [ 410.136333] call_timer_fn+0x272/0x920 [ 410.140212] ? br_multicast_del_pg+0x790/0x790 [ 410.144785] ? process_timeout+0x40/0x40 [ 410.148839] ? trace_hardirqs_off+0xb8/0x310 [ 410.153236] ? kasan_check_read+0x11/0x20 [ 410.157371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.161785] ? trace_hardirqs_on+0x310/0x310 [ 410.166196] ? __run_timers+0x7da/0xc70 [ 410.170161] ? lock_downgrade+0x900/0x900 [ 410.174303] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.179397] ? trace_hardirqs_on+0xbd/0x310 [ 410.183709] ? kasan_check_read+0x11/0x20 [ 410.187850] ? __run_timers+0x7da/0xc70 [ 410.191814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.197258] ? kasan_check_write+0x14/0x20 [ 410.201491] ? do_raw_spin_lock+0xc1/0x200 [ 410.205731] ? br_multicast_del_pg+0x790/0x790 [ 410.210305] __run_timers+0x7e5/0xc70 [ 410.214108] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.219460] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.224464] ? timerqueue_add+0x207/0x2b0 [ 410.228602] ? enqueue_hrtimer+0x1a5/0x560 [ 410.232824] ? lock_release+0x970/0x970 [ 410.236786] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.241971] ? kasan_check_write+0x14/0x20 [ 410.246209] ? pvclock_read_flags+0x160/0x160 [ 410.250704] ? lock_downgrade+0x900/0x900 [ 410.254850] ? trace_hardirqs_on+0xbd/0x310 [ 410.259164] ? kvm_sched_clock_read+0x9/0x20 [ 410.263566] ? irq_exit+0x17f/0x1c0 [ 410.267185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.272713] ? check_preemption_disabled+0x48/0x200 [ 410.277721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.283258] run_timer_softirq+0x52/0xb0 [ 410.287312] ? __this_cpu_preempt_check+0x1c/0x1f [ 410.292145] __do_softirq+0x30b/0xad8 [ 410.295940] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.301034] ? pvclock_read_flags+0x160/0x160 [ 410.305604] ? lapic_next_event+0x5a/0x90 [ 410.309746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.315275] ? clockevents_program_event+0x140/0x370 [ 410.320374] ? kvm_clock_read+0x18/0x30 [ 410.324338] ? kvm_sched_clock_read+0x9/0x20 [ 410.328740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.334266] ? check_preemption_disabled+0x48/0x200 [ 410.339276] irq_exit+0x17f/0x1c0 [ 410.342720] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.347556] ? smp_reschedule_interrupt+0x109/0x650 [ 410.352562] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.358433] ? interrupt_entry+0xb5/0xf0 [ 410.362485] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.367490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.372505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.377351] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.382356] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.387362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.392887] ? check_preemption_disabled+0x48/0x200 [ 410.397894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.403425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.408269] apic_timer_interrupt+0xf/0x20 [ 410.412487] [ 410.414719] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 410.419644] 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 [ 410.438534] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 410.446236] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 410.453496] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 410.460754] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 410.468016] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 410.475277] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 410.482546] ? trace_hardirqs_on+0xb4/0x310 [ 410.486867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.492485] skb_clone+0x1bb/0x500 [ 410.496015] ? skb_split+0x11e0/0x11e0 [ 410.499894] ? check_preemption_disabled+0x48/0x200 [ 410.504905] ? __this_cpu_preempt_check+0x1c/0x1f [ 410.509740] ? __bpf_redirect+0x54b/0xb20 [ 410.513879] ? __switch_to_asm+0x34/0x70 [ 410.517932] bpf_clone_redirect+0xb9/0x490 [ 410.522171] bpf_prog_466abe619656067b+0x436/0x1000 [ 410.527177] ? __sched_text_start+0x8/0x8 [ 410.531312] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.536068] ? retint_kernel+0x2d/0x2d [ 410.539952] ? lock_acquire+0x1ed/0x520 [ 410.543926] ? bpf_test_run+0x32e/0x5a0 [ 410.547893] ? lock_downgrade+0x900/0x900 [ 410.552034] ? lock_release+0x970/0x970 [ 410.555999] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 410.561788] ? preempt_schedule_common+0x1f/0xd0 [ 410.566540] ? preempt_schedule+0x4d/0x60 [ 410.570677] ? ___preempt_schedule+0x16/0x18 [ 410.575078] ? bpf_test_run+0x1c0/0x5a0 [ 410.579045] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.583442] ? bpf_prog_test_run_skb+0x295/0xb40 [ 410.588187] ? bpf_prog_test_run_skb+0x634/0xb40 [ 410.592949] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.597793] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.603319] ? fput+0x130/0x1a0 [ 410.606589] ? __bpf_prog_get+0x9b/0x290 [ 410.610640] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.615470] ? bpf_prog_test_run+0x130/0x1a0 [ 410.619868] ? __x64_sys_bpf+0x3d8/0x510 [ 410.623916] ? bpf_prog_get+0x20/0x20 [ 410.627724] ? do_syscall_64+0x1b9/0x820 [ 410.631776] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.637155] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.642074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.646912] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.651933] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.656957] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.661972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.666807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.672166] warn_alloc_show_mem: 1 callbacks suppressed [ 410.672175] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 410.672176] Mem-Info: [ 410.672204] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 410.672204] active_file:98 inactive_file:120 isolated_file:0 [ 410.672204] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.672204] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 410.672204] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 410.672204] free:13602 free_pcp:142 free_cma:0 [ 410.677541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.684459] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.686842] Call Trace: [ 410.719781] Node 0 [ 410.729118] [ 410.756786] 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 [ 410.759340] dump_stack+0x1c4/0x2b4 [ 410.761545] lowmem_reserve[]: [ 410.763680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.789583] 0 [ 410.793208] warn_alloc.cold.119+0xb7/0x1bd [ 410.796274] 2819 [ 410.801444] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.803215] 6323 [ 410.807520] ? lock_downgrade+0x900/0x900 [ 410.809545] 6323 [ 410.814382] ? trace_hardirqs_off+0xb8/0x310 [ 410.816428] Node 0 [ 410.820561] ? trace_hardirqs_off+0xb8/0x310 [ 410.822619] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 410.826990] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.829191] lowmem_reserve[]: 0 0 3503 [ 410.833606] ? debug_object_activate+0x402/0x600 [ 410.860110] 3503 [ 410.864952] ? warn_alloc+0x120/0x120 [ 410.868807] Node 0 [ 410.873548] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.875606] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 410.879369] ? warn_alloc+0x120/0x120 [ 410.881575] lowmem_reserve[]: [ 410.886576] ? get_stack_info+0x37/0x142 [ 410.914993] 0 [ 410.918778] ? warn_alloc+0x120/0x120 [ 410.921854] 0 [ 410.925901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.927760] 0 [ 410.931545] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 410.933315] 0 [ 410.938317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.944824] ? should_fail+0x22d/0xd01 [ 410.946595] Node 0 [ 410.952229] ? is_bpf_text_address+0xac/0x170 [ 410.956081] DMA: [ 410.958305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.962767] 1*4kB [ 410.964811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.969880] (U) [ 410.972015] ? should_fail+0x22d/0xd01 [ 410.977518] 0*8kB [ 410.979482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.983341] 0*16kB [ 410.985474] ? should_fail+0x22d/0xd01 [ 410.990542] 1*32kB (U) [ 410.992767] ? kasan_check_read+0x11/0x20 [ 410.996626] 2*64kB [ 410.999204] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.003315] (U) [ 411.005539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.010786] 1*128kB [ 411.012746] ? unwind_dump+0x190/0x190 [ 411.017814] (U) [ 411.020125] ? mark_held_locks+0x130/0x130 [ 411.023981] 1*256kB [ 411.025952] ? mark_held_locks+0x130/0x130 [ 411.030152] (U) [ 411.032461] ? update_stack_state+0x1a5/0x690 [ 411.036669] 0*512kB [ 411.038632] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.043094] 1*1024kB [ 411.045402] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 411.050384] (U) [ 411.052783] ? is_bpf_text_address+0xac/0x170 [ 411.057504] 1*2048kB [ 411.059463] ? lock_downgrade+0x900/0x900 [ 411.063930] (M) [ 411.066326] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.070445] 3*4096kB [ 411.072404] ? kasan_check_read+0x11/0x20 [ 411.078185] (M) [ 411.080582] __alloc_pages_nodemask+0xa80/0xde0 [ 411.084695] = 15908kB [ 411.086654] ? should_fail+0x22d/0xd01 [ 411.091293] Node 0 [ 411.093703] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.097556] DMA32: [ 411.099776] ? is_bpf_text_address+0xd3/0x170 [ 411.104757] 5*4kB [ 411.106992] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.111446] (UM) [ 411.113582] ? lock_downgrade+0x900/0x900 [ 411.118220] 0*8kB [ 411.120271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.124383] 5*16kB (UMH) [ 411.126525] cache_grow_begin+0x91/0x8c0 [ 411.132030] 5*32kB [ 411.134786] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.138813] (UMH) [ 411.141039] fallback_alloc+0x203/0x2e0 [ 411.145415] 7*64kB [ 411.147550] ____cache_alloc_node+0x1c7/0x1e0 [ 411.151490] (UM) [ 411.153716] kmem_cache_alloc_node+0xe3/0x730 [ 411.158177] 4*128kB [ 411.160229] __alloc_skb+0x119/0x770 [ 411.164693] (UM) [ 411.167003] ? skb_scrub_packet+0x490/0x490 [ 411.170684] 5*256kB [ 411.172732] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 411.177020] (UMH) [ 411.179345] ? queue_work_on+0x12c/0x1e0 [ 411.183896] 4*512kB [ 411.186040] ? switchdev_port_obj_del+0xdc/0x450 [ 411.190070] (UM) [ 411.192395] ? switchdev_trans_item_enqueue+0x260/0x260 [ 411.197121] 4*1024kB [ 411.199192] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.204534] (UMH) [ 411.206934] __br_mdb_notify+0x4ff/0x15d0 [ 411.211922] 4*2048kB [ 411.214058] ? __br_mdb_add+0x800/0x800 [ 411.218189] (UM) [ 411.220585] ? kasan_check_write+0x14/0x20 [ 411.224527] 2*4096kB [ 411.226575] ? do_raw_spin_lock+0xc1/0x200 [ 411.230777] (M) [ 411.233179] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.237380] = 25028kB [ 411.239339] ? debug_object_assert_init+0x368/0x4b0 [ 411.244410] Node 0 [ 411.246805] ? debug_object_init_on_stack+0x20/0x20 [ 411.251786] Normal: 809*4kB [ 411.254018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.258999] (UMEH) [ 411.262002] br_mdb_notify+0x310/0x410 [ 411.267502] 372*8kB (UMEH) [ 411.269728] ? br_mdb_dump+0x2530/0x2530 [ 411.273586] 191*16kB [ 411.276506] br_multicast_del_pg+0x3df/0x790 [ 411.280531] (UMEH) [ 411.282924] ? br_mdb_ip_get+0x940/0x940 [ 411.287305] 81*32kB [ 411.289525] ? kasan_check_write+0x14/0x20 [ 411.293553] (UME) [ 411.295862] ? do_raw_spin_lock+0xc1/0x200 [ 411.300062] 21*64kB [ 411.302197] br_multicast_port_group_expired+0x189/0x1e0 [ 411.306397] (UMH) [ 411.308717] call_timer_fn+0x272/0x920 [ 411.314149] 3*128kB [ 411.316283] ? br_multicast_del_pg+0x790/0x790 [ 411.320147] (UH) [ 411.322460] ? process_timeout+0x40/0x40 [ 411.327010] 0*256kB [ 411.329062] ? trace_hardirqs_off+0xb8/0x310 [ 411.333090] 0*512kB [ 411.335396] ? kasan_check_read+0x11/0x20 [ 411.339775] 0*1024kB [ 411.342083] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.346200] 0*2048kB [ 411.348599] ? trace_hardirqs_on+0x310/0x310 [ 411.352978] 0*4096kB [ 411.355374] ? __run_timers+0x7da/0xc70 [ 411.359766] = 13588kB [ 411.362171] ? lock_downgrade+0x900/0x900 [ 411.366133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.368525] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.372651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.381459] ? trace_hardirqs_on+0xbd/0x310 [ 411.386532] 348 total pagecache pages [ 411.395090] ? kasan_check_read+0x11/0x20 [ 411.399379] 0 pages in swap cache [ 411.403167] ? __run_timers+0x7da/0xc70 [ 411.407283] Swap cache stats: add 0, delete 0, find 0/0 [ 411.410714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.414663] Free swap = 0kB [ 411.420010] ? kasan_check_write+0x14/0x20 [ 411.425430] Total swap = 0kB [ 411.428435] ? do_raw_spin_lock+0xc1/0x200 [ 411.432643] 1965979 pages RAM [ 411.435651] ? br_multicast_del_pg+0x790/0x790 [ 411.439848] 0 pages HighMem/MovableOnly [ 411.439855] 342307 pages reserved [ 411.442948] __run_timers+0x7e5/0xc70 [ 411.447497] 0 pages cma reserved [ 411.451458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 411.455001] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.458667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.462002] syz-executor3 cpuset= [ 411.467348] ? timerqueue_add+0x207/0x2b0 [ 411.477797] syz3 [ 411.482795] ? enqueue_hrtimer+0x1a5/0x560 [ 411.486219] mems_allowed=0 [ 411.490346] ? lock_release+0x970/0x970 [ 411.503391] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.508575] ? kasan_check_write+0x14/0x20 [ 411.512803] ? pvclock_read_flags+0x160/0x160 [ 411.517289] ? lock_downgrade+0x900/0x900 [ 411.521436] ? trace_hardirqs_on+0xbd/0x310 [ 411.525754] ? kvm_sched_clock_read+0x9/0x20 [ 411.530165] ? irq_exit+0x17f/0x1c0 [ 411.533788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.539319] ? check_preemption_disabled+0x48/0x200 [ 411.544328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.549863] run_timer_softirq+0x52/0xb0 [ 411.553943] ? __this_cpu_preempt_check+0x1c/0x1f [ 411.558795] __do_softirq+0x30b/0xad8 [ 411.562597] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 411.567695] ? pvclock_read_flags+0x160/0x160 [ 411.572178] ? lapic_next_event+0x5a/0x90 [ 411.576317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.581845] ? clockevents_program_event+0x140/0x370 [ 411.586945] ? kvm_clock_read+0x18/0x30 [ 411.590908] ? kvm_sched_clock_read+0x9/0x20 [ 411.595305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.600833] ? check_preemption_disabled+0x48/0x200 [ 411.605845] irq_exit+0x17f/0x1c0 [ 411.609804] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.614636] ? smp_reschedule_interrupt+0x109/0x650 [ 411.619647] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.625518] ? interrupt_entry+0xb5/0xf0 [ 411.629571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.634580] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.639586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.644419] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.649424] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.654432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.659964] ? check_preemption_disabled+0x48/0x200 [ 411.664968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.670500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.675336] apic_timer_interrupt+0xf/0x20 [ 411.679554] [ 411.681788] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 411.686967] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 411.705868] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.713594] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 411.720860] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 411.728123] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 411.735381] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 411.742657] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 411.749926] ? trace_hardirqs_on+0x9a/0x310 [ 411.754240] ? trace_hardirqs_on+0xb4/0x310 [ 411.758558] retint_kernel+0x1b/0x2d [ 411.762265] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 411.767531] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 411.786618] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 411.794320] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 411.801577] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 411.808840] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 411.816113] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 411.823372] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 411.830646] ? trace_hardirqs_on+0x9a/0x310 [ 411.834960] ? arch_local_irq_restore+0x45/0x52 [ 411.839634] dump_stack+0x26a/0x2b4 [ 411.843258] ? dump_stack_print_info.cold.2+0x52/0x52 [ 411.848440] ? mark_held_locks+0x130/0x130 [ 411.852667] ? mark_held_locks+0x130/0x130 [ 411.856893] dump_header+0x27b/0xf72 [ 411.860615] ? rcu_read_unlock+0x16/0x60 [ 411.864671] ? pagefault_out_of_memory+0x197/0x197 [ 411.869594] ? mark_held_locks+0x130/0x130 [ 411.873818] ? percpu_ref_put_many+0x13e/0x260 [ 411.878395] ? mem_cgroup_charge_statistics+0x780/0x780 [ 411.883754] ? mem_cgroup_iter+0x1f7/0x1160 [ 411.888069] ? mark_held_locks+0x130/0x130 [ 411.892306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.897834] ? task_will_free_mem+0x239/0xb30 [ 411.902338] ? ___ratelimit+0x36f/0x655 [ 411.906303] ? lock_downgrade+0x900/0x900 [ 411.910459] ? trace_hardirqs_on+0xbd/0x310 [ 411.914770] ? kasan_check_read+0x11/0x20 [ 411.918907] ? ___ratelimit+0x36f/0x655 [ 411.922871] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.928310] ? trace_hardirqs_on+0x310/0x310 [ 411.932709] ? lock_downgrade+0x900/0x900 [ 411.936857] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.941950] ? ___ratelimit+0xaa/0x655 [ 411.945830] ? idr_get_free+0xec0/0xec0 [ 411.949801] ? kasan_check_write+0x14/0x20 [ 411.954029] ? do_raw_spin_lock+0xc1/0x200 [ 411.958260] oom_kill_process.cold.27+0x10/0x903 [ 411.963010] ? lock_downgrade+0x900/0x900 [ 411.967155] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.972943] ? oom_evaluate_task+0x540/0x540 [ 411.977349] ? oom_unkillable_task+0x383/0x580 [ 411.981919] ? out_of_memory+0x974/0x1430 [ 411.986056] ? lock_downgrade+0x900/0x900 [ 411.990199] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.995984] ? __cpuset_node_allowed+0x19b/0x660 [ 412.000731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.006257] ? oom_evaluate_task+0x302/0x540 [ 412.010658] out_of_memory+0xa84/0x1430 [ 412.014625] ? oom_killer_disable+0x3a0/0x3a0 [ 412.019119] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 412.024040] ? __mutex_add_waiter+0x2a0/0x2a0 [ 412.028524] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.033533] ? find_next_bit+0x104/0x130 [ 412.037588] __alloc_pages_slowpath+0x2318/0x2d80 [ 412.042436] ? warn_alloc+0x120/0x120 [ 412.046225] ? __radix_tree_lookup+0x4c0/0x4c0 [ 412.050808] ? find_get_entry+0x2f2/0xc40 [ 412.054959] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 412.059882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.065408] ? should_fail+0x22d/0xd01 [ 412.069288] ? ___might_sleep+0x1ed/0x300 [ 412.073425] ? lock_release+0x970/0x970 [ 412.077392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.082485] ? debug_smp_processor_id+0x1c/0x20 [ 412.087152] ? __might_sleep+0x95/0x190 [ 412.091123] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 412.095962] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.100976] ? lock_downgrade+0x900/0x900 [ 412.105117] ? ___might_sleep+0x1ed/0x300 [ 412.109254] ? lock_release+0x970/0x970 [ 412.113219] ? arch_local_save_flags+0x40/0x40 [ 412.117801] ? finish_task_switch+0x1f5/0x900 [ 412.122298] ? __might_sleep+0x95/0x190 [ 412.126263] __alloc_pages_nodemask+0xa80/0xde0 [ 412.130924] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.135933] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 412.141809] ? mark_held_locks+0x130/0x130 [ 412.146039] ? kasan_check_write+0x14/0x20 [ 412.150265] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 412.154928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.160457] ? __do_page_cache_readahead+0x7ce/0x980 [ 412.165555] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 412.171097] alloc_pages_current+0x10c/0x210 [ 412.175491] ? lock_downgrade+0x900/0x900 [ 412.179655] __page_cache_alloc+0x38f/0x5b0 [ 412.183970] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 412.189762] ? ext4_filemap_fault+0x82/0xad [ 412.194083] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 412.198746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.204276] ? check_preemption_disabled+0x48/0x200 [ 412.209286] filemap_fault+0x1594/0x25f0 [ 412.213347] ? __lock_page_or_retry+0xa00/0xa00 [ 412.218010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 412.223795] ? lock_downgrade+0x900/0x900 [ 412.227943] ? trace_hardirqs_on+0xbd/0x310 [ 412.232254] ? kasan_check_read+0x11/0x20 [ 412.236391] ? __free_object+0x173/0x340 [ 412.240447] ? filemap_map_pages+0xdea/0x1980 [ 412.244936] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.250033] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 412.255296] ? debug_object_free+0x325/0x690 [ 412.259699] ? find_get_pages_range_tag+0x1320/0x1320 [ 412.264927] ? do_raw_spin_lock+0xc1/0x200 [ 412.269156] ? kasan_check_read+0x11/0x20 [ 412.273292] ? debug_object_destroy+0x2b0/0x2b0 [ 412.277952] ? kasan_check_write+0x14/0x20 [ 412.282181] ? lock_acquire+0x1ed/0x520 [ 412.286147] ? ext4_filemap_fault+0x7a/0xad [ 412.290461] ? lock_release+0x970/0x970 [ 412.294426] ? arch_local_save_flags+0x40/0x40 [ 412.299013] ? futex_wait_setup+0x3e0/0x3e0 [ 412.303331] ? down_read+0xb0/0x1d0 [ 412.306945] ? ext4_filemap_fault+0x7a/0xad [ 412.311254] ? __down_interruptible+0x700/0x700 [ 412.315925] ext4_filemap_fault+0x82/0xad [ 412.320074] __do_fault+0x100/0x6b0 [ 412.323693] ? print_bad_pte+0x6c0/0x6c0 [ 412.327743] ? do_futex+0x249/0x26d0 [ 412.331451] ? pmd_val+0x88/0x100 [ 412.334895] ? add_mm_counter_fast+0xd0/0xd0 [ 412.339289] ? pmd_val+0x88/0x100 [ 412.342731] ? add_mm_counter_fast+0xd0/0xd0 [ 412.347130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.352663] __handle_mm_fault+0x3709/0x53e0 [ 412.357065] ? perf_trace_lock+0x14d/0x7a0 [ 412.361294] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 412.366128] ? ksys_dup3+0x680/0x680 [ 412.369847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.375371] ? should_fail+0x22d/0xd01 [ 412.379258] ? lock_acquire+0x1ed/0x520 [ 412.383224] ? handle_mm_fault+0x42a/0xc70 [ 412.387446] ? lock_downgrade+0x900/0x900 [ 412.391588] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 412.397374] ? lock_downgrade+0x900/0x900 [ 412.401515] ? __do_page_fault+0x67d/0xed0 [ 412.405740] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.411180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.416708] ? check_preemption_disabled+0x48/0x200 [ 412.421721] handle_mm_fault+0x54f/0xc70 [ 412.425771] ? __handle_mm_fault+0x53e0/0x53e0 [ 412.430350] ? find_vma+0x34/0x190 [ 412.433881] __do_page_fault+0x67d/0xed0 [ 412.437937] ? mm_fault_error+0x380/0x380 [ 412.442075] ? trace_hardirqs_off+0xb8/0x310 [ 412.446472] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.451825] ? trace_hardirqs_on+0x310/0x310 [ 412.456228] do_page_fault+0xf2/0x7e0 [ 412.460020] ? vmalloc_sync_all+0x30/0x30 [ 412.464159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.469698] ? error_entry+0x70/0xd0 [ 412.473405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.478409] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.483328] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.488248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.493082] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.498089] ? trace_hardirqs_off+0x310/0x310 [ 412.502575] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.507580] ? page_fault+0x8/0x30 [ 412.511115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.515954] ? page_fault+0x8/0x30 [ 412.519487] page_fault+0x1e/0x30 [ 412.522928] RIP: 0033:0x40f9c0 [ 412.526119] Code: Bad RIP value. [ 412.529472] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 412.534825] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 412.542082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 412.549343] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 412.556605] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 412.563861] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 412.571137] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 412.571254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.578502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.588804] syz-fuzzer cpuset= [ 412.598135] Call Trace: [ 412.598137] / mems_allowed=0 [ 412.601311] [ 412.609010] dump_stack+0x1c4/0x2b4 [ 412.612636] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.617825] warn_alloc.cold.119+0xb7/0x1bd [ 412.622150] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.626988] ? lock_downgrade+0x900/0x900 [ 412.631134] ? trace_hardirqs_off+0xb8/0x310 [ 412.635540] ? trace_hardirqs_off+0xb8/0x310 [ 412.639943] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.644796] ? debug_object_activate+0x402/0x600 [ 412.649548] ? warn_alloc+0x120/0x120 [ 412.653342] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.658348] ? warn_alloc+0x120/0x120 [ 412.662142] ? get_stack_info+0x37/0x142 [ 412.666194] ? warn_alloc+0x120/0x120 [ 412.669989] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.674997] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 412.679749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.685282] ? should_fail+0x22d/0xd01 [ 412.689161] ? is_bpf_text_address+0xac/0x170 [ 412.693646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.698741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.704287] ? should_fail+0x22d/0xd01 [ 412.708169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.713264] ? should_fail+0x22d/0xd01 [ 412.717140] ? kasan_check_read+0x11/0x20 [ 412.721283] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.726553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.731644] ? unwind_dump+0x190/0x190 [ 412.735529] ? mark_held_locks+0x130/0x130 [ 412.739756] ? mark_held_locks+0x130/0x130 [ 412.743992] ? update_stack_state+0x1a5/0x690 [ 412.748481] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.753494] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 412.758247] ? is_bpf_text_address+0xac/0x170 [ 412.762732] ? lock_downgrade+0x900/0x900 [ 412.766880] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 412.772667] ? kasan_check_read+0x11/0x20 [ 412.776805] __alloc_pages_nodemask+0xa80/0xde0 [ 412.781470] ? should_fail+0x22d/0xd01 [ 412.785351] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.790356] ? is_bpf_text_address+0xd3/0x170 [ 412.794852] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.799513] ? lock_downgrade+0x900/0x900 [ 412.803659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.809188] cache_grow_begin+0x91/0x8c0 [ 412.813240] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.817645] fallback_alloc+0x203/0x2e0 [ 412.821612] ____cache_alloc_node+0x1c7/0x1e0 [ 412.826104] kmem_cache_alloc_node+0xe3/0x730 [ 412.830595] __alloc_skb+0x119/0x770 [ 412.834300] ? skb_scrub_packet+0x490/0x490 [ 412.838633] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 412.843208] ? queue_work_on+0x12c/0x1e0 [ 412.847261] ? switchdev_port_obj_del+0xdc/0x450 [ 412.852006] ? switchdev_trans_item_enqueue+0x260/0x260 [ 412.857360] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.862368] __br_mdb_notify+0x4ff/0x15d0 [ 412.866516] ? __br_mdb_add+0x800/0x800 [ 412.870479] ? kasan_check_write+0x14/0x20 [ 412.874703] ? do_raw_spin_lock+0xc1/0x200 [ 412.878933] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.884025] ? debug_object_assert_init+0x368/0x4b0 [ 412.889031] ? debug_object_init_on_stack+0x20/0x20 [ 412.894038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.899571] br_mdb_notify+0x310/0x410 [ 412.903449] ? br_mdb_dump+0x2530/0x2530 [ 412.907517] br_multicast_del_pg+0x3df/0x790 [ 412.911924] ? br_mdb_ip_get+0x940/0x940 [ 412.915978] ? kasan_check_write+0x14/0x20 [ 412.920203] ? do_raw_spin_lock+0xc1/0x200 [ 412.924432] br_multicast_port_group_expired+0x189/0x1e0 [ 412.929873] call_timer_fn+0x272/0x920 [ 412.933754] ? br_multicast_del_pg+0x790/0x790 [ 412.938325] ? process_timeout+0x40/0x40 [ 412.942376] ? trace_hardirqs_off+0xb8/0x310 [ 412.946769] ? kasan_check_read+0x11/0x20 [ 412.950903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.955298] ? trace_hardirqs_on+0x310/0x310 [ 412.959700] ? __run_timers+0x7da/0xc70 [ 412.963661] ? lock_downgrade+0x900/0x900 [ 412.967800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.972920] ? trace_hardirqs_on+0xbd/0x310 [ 412.977230] ? kasan_check_read+0x11/0x20 [ 412.981368] ? __run_timers+0x7da/0xc70 [ 412.985335] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.990774] ? kasan_check_write+0x14/0x20 [ 412.994995] ? do_raw_spin_lock+0xc1/0x200 [ 412.999219] ? br_multicast_del_pg+0x790/0x790 [ 413.003794] __run_timers+0x7e5/0xc70 [ 413.007593] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.012944] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.017948] ? timerqueue_add+0x207/0x2b0 [ 413.022089] ? enqueue_hrtimer+0x1a5/0x560 [ 413.026311] ? lock_release+0x970/0x970 [ 413.030273] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.035454] ? kasan_check_write+0x14/0x20 [ 413.039683] ? pvclock_read_flags+0x160/0x160 [ 413.044167] ? lock_downgrade+0x900/0x900 [ 413.048308] ? trace_hardirqs_on+0xbd/0x310 [ 413.052616] ? kvm_sched_clock_read+0x9/0x20 [ 413.057012] ? irq_exit+0x17f/0x1c0 [ 413.060632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.066157] ? check_preemption_disabled+0x48/0x200 [ 413.071159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.076687] run_timer_softirq+0x52/0xb0 [ 413.080745] ? __this_cpu_preempt_check+0x1c/0x1f [ 413.085600] __do_softirq+0x30b/0xad8 [ 413.089397] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.094498] ? pvclock_read_flags+0x160/0x160 [ 413.098981] ? lapic_next_event+0x5a/0x90 [ 413.103120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.108647] ? clockevents_program_event+0x140/0x370 [ 413.113749] ? kvm_clock_read+0x18/0x30 [ 413.117717] ? kvm_sched_clock_read+0x9/0x20 [ 413.122122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.127657] ? check_preemption_disabled+0x48/0x200 [ 413.132665] irq_exit+0x17f/0x1c0 [ 413.136111] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.140944] ? smp_reschedule_interrupt+0x109/0x650 [ 413.145953] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.151825] ? interrupt_entry+0xb5/0xf0 [ 413.155879] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.160883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.165888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.170721] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.175740] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.180750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.186278] ? check_preemption_disabled+0x48/0x200 [ 413.191284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.196813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.201653] apic_timer_interrupt+0xf/0x20 [ 413.205870] [ 413.208101] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.213024] 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 [ 413.231912] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.239609] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 413.246866] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 413.254125] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 413.261407] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 413.268662] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 413.275925] ? trace_hardirqs_on+0xb4/0x310 [ 413.280243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.285773] skb_clone+0x1bb/0x500 [ 413.289301] ? skb_split+0x11e0/0x11e0 [ 413.293180] ? check_preemption_disabled+0x48/0x200 [ 413.298189] ? __this_cpu_preempt_check+0x1c/0x1f [ 413.303021] ? __bpf_redirect+0x54b/0xb20 [ 413.307160] ? __switch_to_asm+0x34/0x70 [ 413.311215] bpf_clone_redirect+0xb9/0x490 [ 413.315443] bpf_prog_466abe619656067b+0x436/0x1000 [ 413.320456] ? __sched_text_start+0x8/0x8 [ 413.324596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.329345] ? retint_kernel+0x2d/0x2d [ 413.333230] ? lock_acquire+0x1ed/0x520 [ 413.337208] ? bpf_test_run+0x32e/0x5a0 [ 413.341169] ? lock_downgrade+0x900/0x900 [ 413.345305] ? lock_release+0x970/0x970 [ 413.349272] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.355064] ? preempt_schedule_common+0x1f/0xd0 [ 413.359812] ? preempt_schedule+0x4d/0x60 [ 413.363949] ? ___preempt_schedule+0x16/0x18 [ 413.368348] ? bpf_test_run+0x1c0/0x5a0 [ 413.372316] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.376722] ? bpf_prog_test_run_skb+0x295/0xb40 [ 413.381473] ? bpf_prog_test_run_skb+0x634/0xb40 [ 413.386226] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.391062] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.396594] ? fput+0x130/0x1a0 [ 413.399867] ? __bpf_prog_get+0x9b/0x290 [ 413.403922] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.408762] ? bpf_prog_test_run+0x130/0x1a0 [ 413.413162] ? __x64_sys_bpf+0x3d8/0x510 [ 413.417216] ? bpf_prog_get+0x20/0x20 [ 413.421015] ? do_syscall_64+0x1b9/0x820 [ 413.425068] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.430422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.435343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.440175] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.445181] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.450187] ? prepare_exit_to_usermode+0x291/0x3b0 [ 413.455197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.460034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.465408] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 413.465412] warn_alloc_show_mem: 1 callbacks suppressed [ 413.465418] Mem-Info: [ 413.472333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.477693] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 413.477693] active_file:98 inactive_file:120 isolated_file:0 [ 413.477693] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.477693] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 413.477693] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 413.477693] free:13602 free_pcp:142 free_cma:0 [ 413.480062] Call Trace: [ 413.489431] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.522352] [ 413.524920] Node 0 [ 413.552575] dump_stack+0x1c4/0x2b4 [ 413.554720] 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 [ 413.556924] ? dump_stack_print_info.cold.2+0x52/0x52 [ 413.560519] lowmem_reserve[]: [ 413.586006] warn_alloc.cold.119+0xb7/0x1bd [ 413.591161] 0 [ 413.594250] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.598537] 2819 [ 413.600328] ? lock_downgrade+0x900/0x900 [ 413.605137] 6323 [ 413.607184] ? trace_hardirqs_off+0xb8/0x310 [ 413.611602] 6323 [ 413.613699] ? trace_hardirqs_off+0xb8/0x310 [ 413.618065] Node 0 [ 413.620118] __alloc_pages_slowpath+0x2667/0x2d80 [ 413.624517] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 413.626728] ? debug_object_activate+0x402/0x600 [ 413.631620] lowmem_reserve[]: [ 413.658149] ? warn_alloc+0x120/0x120 [ 413.662874] 0 [ 413.665967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.669738] 0 [ 413.671529] ? warn_alloc+0x120/0x120 [ 413.676511] 3503 3503 [ 413.678305] ? get_stack_info+0x37/0x142 [ 413.684568] ? warn_alloc+0x120/0x120 [ 413.688596] Node 0 [ 413.692386] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.692408] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 413.692414] lowmem_reserve[]: [ 413.694637] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 413.699618] 0 [ 413.728066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.731139] 0 [ 413.735881] ? should_fail+0x22d/0xd01 [ 413.737650] 0 [ 413.743169] ? is_bpf_text_address+0xac/0x170 [ 413.744944] 0 [ 413.748816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.755064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.756834] Node 0 [ 413.761922] ? should_fail+0x22d/0xd01 [ 413.767422] DMA: 1*4kB [ 413.769651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.773505] (U) [ 413.776242] ? should_fail+0x22d/0xd01 [ 413.776251] ? kasan_check_read+0x11/0x20 [ 413.776262] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.776270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.776279] ? unwind_dump+0x190/0x190 [ 413.776288] ? mark_held_locks+0x130/0x130 [ 413.776296] ? mark_held_locks+0x130/0x130 [ 413.776304] ? update_stack_state+0x1a5/0x690 [ 413.776313] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.776322] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 413.776333] ? is_bpf_text_address+0xac/0x170 [ 413.776341] ? lock_downgrade+0x900/0x900 [ 413.776351] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.776358] ? kasan_check_read+0x11/0x20 [ 413.776369] __alloc_pages_nodemask+0xa80/0xde0 [ 413.776376] ? should_fail+0x22d/0xd01 [ 413.776386] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.776393] ? is_bpf_text_address+0xd3/0x170 [ 413.776410] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.776417] ? lock_downgrade+0x900/0x900 [ 413.776428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.776440] cache_grow_begin+0x91/0x8c0 [ 413.776450] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.776468] fallback_alloc+0x203/0x2e0 [ 413.781550] 0*8kB [ 413.783519] ____cache_alloc_node+0x1c7/0x1e0 [ 413.787373] 0*16kB [ 413.791504] kmem_cache_alloc_node+0xe3/0x730 [ 413.796746] 1*32kB [ 413.801836] __alloc_skb+0x119/0x770 [ 413.805689] (U) [ 413.809905] ? skb_scrub_packet+0x490/0x490 [ 413.814110] 2*64kB [ 413.818586] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 413.824161] (U) 1*128kB [ 413.828906] ? queue_work_on+0x12c/0x1e0 [ 413.833368] (U) [ 413.837500] ? switchdev_port_obj_del+0xdc/0x450 [ 413.843265] 1*256kB [ 413.847394] ? switchdev_trans_item_enqueue+0x260/0x260 [ 413.852031] (U) [ 413.855902] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.860888] 0*512kB [ 413.865364] __br_mdb_notify+0x4ff/0x15d0 [ 413.869997] 1*1024kB [ 413.874125] ? __br_mdb_add+0x800/0x800 [ 413.879626] (U) [ 413.883674] ? kasan_check_write+0x14/0x20 [ 413.888051] 1*2048kB [ 413.892009] ? do_raw_spin_lock+0xc1/0x200 [ 413.894125] (M) [ 413.898603] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.900810] 3*4096kB [ 413.905283] ? debug_object_assert_init+0x368/0x4b0 [ 413.907521] (M) [ 413.911215] ? debug_object_init_on_stack+0x20/0x20 [ 413.913162] = 15908kB [ 413.917478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.919683] Node 0 [ 413.924246] br_mdb_notify+0x310/0x410 [ 413.926887] DMA32: [ 413.931040] ? br_mdb_dump+0x2530/0x2530 [ 413.932991] 5*4kB [ 413.937733] br_multicast_del_pg+0x3df/0x790 [ 413.940027] (UM) [ 413.945388] ? br_mdb_ip_get+0x940/0x940 [ 413.947333] 0*8kB [ 413.952331] ? kasan_check_write+0x14/0x20 [ 413.954627] 5*16kB [ 413.958775] ? do_raw_spin_lock+0xc1/0x200 [ 413.961154] (UMH) [ 413.965111] br_multicast_port_group_expired+0x189/0x1e0 [ 413.967054] 5*32kB [ 413.971271] call_timer_fn+0x272/0x920 [ 413.973669] (UMH) [ 413.977888] ? br_multicast_del_pg+0x790/0x790 [ 413.979852] 7*64kB (UM) [ 413.984942] ? process_timeout+0x40/0x40 [ 413.987328] 4*128kB [ 413.992334] ? trace_hardirqs_off+0xb8/0x310 [ 413.994278] (UM) [ 413.999298] ? kasan_check_read+0x11/0x20 [ 414.001682] 5*256kB [ 414.007199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.009403] (UMH) [ 414.013272] ? trace_hardirqs_on+0x310/0x310 [ 414.015489] 4*512kB [ 414.019531] ? __run_timers+0x7da/0xc70 [ 414.021656] (UM) [ 414.026046] ? lock_downgrade+0x900/0x900 [ 414.028077] 4*1024kB [ 414.032118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.034235] (UMH) [ 414.038452] ? trace_hardirqs_on+0xbd/0x310 [ 414.040662] 4*2048kB [ 414.044876] ? kasan_check_read+0x11/0x20 [ 414.046996] (UM) [ 414.052431] ? __run_timers+0x7da/0xc70 [ 414.054637] 2*4096kB [ 414.058512] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.060628] (M) [ 414.065196] ? kasan_check_write+0x14/0x20 [ 414.067837] = 25028kB [ 414.071879] ? do_raw_spin_lock+0xc1/0x200 [ 414.074172] Node 0 [ 414.078564] ? br_multicast_del_pg+0x790/0x790 [ 414.080595] Normal: [ 414.084728] __run_timers+0x7e5/0xc70 [ 414.087030] 809*4kB [ 414.091428] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 414.093545] (UMEH) [ 414.097935] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.100227] 372*8kB [ 414.104182] ? timerqueue_add+0x207/0x2b0 [ 414.106214] (UMEH) [ 414.110346] ? enqueue_hrtimer+0x1a5/0x560 [ 414.112727] 191*16kB [ 414.117812] ? lock_release+0x970/0x970 [ 414.119930] (UMEH) [ 414.124237] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 414.126620] 81*32kB [ 414.130755] ? kasan_check_write+0x14/0x20 [ 414.132793] (UME) [ 414.136754] ? pvclock_read_flags+0x160/0x160 [ 414.139132] 21*64kB [ 414.144567] ? lock_downgrade+0x900/0x900 [ 414.146514] (UMH) [ 414.150741] ? trace_hardirqs_on+0xbd/0x310 [ 414.153122] 3*128kB [ 414.157340] ? kvm_sched_clock_read+0x9/0x20 [ 414.159543] (UH) [ 414.164124] ? irq_exit+0x17f/0x1c0 [ 414.166420] 0*256kB [ 414.170204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.172496] 0*512kB [ 414.177950] ? check_preemption_disabled+0x48/0x200 [ 414.180154] 0*1024kB [ 414.185152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.187444] 0*2048kB [ 414.191578] run_timer_softirq+0x52/0xb0 [ 414.193781] 0*4096kB [ 414.198002] ? __this_cpu_preempt_check+0x1c/0x1f [ 414.200379] = 13588kB [ 414.204339] __do_softirq+0x30b/0xad8 [ 414.206553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 414.211723] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 414.214021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 414.218232] ? pvclock_read_flags+0x160/0x160 [ 414.220356] 348 total pagecache pages [ 414.224868] ? lapic_next_event+0x5a/0x90 [ 414.227169] 0 pages in swap cache [ 414.231302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.233423] Swap cache stats: add 0, delete 0, find 0/0 [ 414.237725] ? clockevents_program_event+0x140/0x370 [ 414.240019] Free swap = 0kB [ 414.244409] ? kvm_clock_read+0x18/0x30 [ 414.246441] Total swap = 0kB [ 414.250052] ? kvm_sched_clock_read+0x9/0x20 [ 414.252346] 1965979 pages RAM [ 414.257864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.260159] 0 pages HighMem/MovableOnly [ 414.265168] ? check_preemption_disabled+0x48/0x200 [ 414.267544] 342307 pages reserved [ 414.273065] irq_exit+0x17f/0x1c0 [ 414.275443] 0 pages cma reserved [ 414.279489] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.281985] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.286726] ? smp_reschedule_interrupt+0x109/0x650 [ 414.289107] syz-executor3 cpuset= [ 414.292906] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.301709] syz3 [ 414.306797] ? interrupt_entry+0xb5/0xf0 [ 414.315340] mems_allowed=0 [ 414.319816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.432624] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.437643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.442495] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.447500] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.452507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.458040] ? check_preemption_disabled+0x48/0x200 [ 414.463049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.468583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.473426] apic_timer_interrupt+0xf/0x20 [ 414.477644] [ 414.479877] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 414.485059] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 414.503950] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 414.511648] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 414.518904] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 414.526164] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 414.533441] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 414.540701] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 414.547973] ? trace_hardirqs_on+0x9a/0x310 [ 414.552288] ? trace_hardirqs_on+0xb4/0x310 [ 414.556616] retint_kernel+0x1b/0x2d [ 414.560322] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 414.565589] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 414.584481] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 414.592176] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 414.599444] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 414.606700] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 414.613972] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 414.621228] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 414.628499] ? trace_hardirqs_on+0x9a/0x310 [ 414.632810] ? arch_local_irq_restore+0x45/0x52 [ 414.637479] dump_stack+0x26a/0x2b4 [ 414.641102] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.646284] ? mark_held_locks+0x130/0x130 [ 414.650508] ? mark_held_locks+0x130/0x130 [ 414.654738] dump_header+0x27b/0xf72 [ 414.658443] ? rcu_read_unlock+0x16/0x60 [ 414.662500] ? pagefault_out_of_memory+0x197/0x197 [ 414.667439] ? mark_held_locks+0x130/0x130 [ 414.671666] ? percpu_ref_put_many+0x13e/0x260 [ 414.676240] ? mem_cgroup_charge_statistics+0x780/0x780 [ 414.681610] ? mem_cgroup_iter+0x1f7/0x1160 [ 414.685923] ? mark_held_locks+0x130/0x130 [ 414.690151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.695679] ? task_will_free_mem+0x239/0xb30 [ 414.700175] ? ___ratelimit+0x36f/0x655 [ 414.704141] ? lock_downgrade+0x900/0x900 [ 414.708285] ? trace_hardirqs_on+0xbd/0x310 [ 414.712603] ? kasan_check_read+0x11/0x20 [ 414.716741] ? ___ratelimit+0x36f/0x655 [ 414.720707] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.726148] ? trace_hardirqs_on+0x310/0x310 [ 414.730547] ? lock_downgrade+0x900/0x900 [ 414.734686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.739777] ? ___ratelimit+0xaa/0x655 [ 414.743655] ? idr_get_free+0xec0/0xec0 [ 414.747618] ? kasan_check_write+0x14/0x20 [ 414.751850] ? do_raw_spin_lock+0xc1/0x200 [ 414.756080] oom_kill_process.cold.27+0x10/0x903 [ 414.760826] ? lock_downgrade+0x900/0x900 [ 414.764971] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.770765] ? oom_evaluate_task+0x540/0x540 [ 414.775171] ? oom_unkillable_task+0x383/0x580 [ 414.779758] ? out_of_memory+0x974/0x1430 [ 414.783896] ? lock_downgrade+0x900/0x900 [ 414.788041] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.793830] ? __cpuset_node_allowed+0x19b/0x660 [ 414.798594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.804121] ? oom_evaluate_task+0x302/0x540 [ 414.808521] out_of_memory+0xa84/0x1430 [ 414.812492] ? oom_killer_disable+0x3a0/0x3a0 [ 414.816982] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 414.821906] ? __mutex_add_waiter+0x2a0/0x2a0 [ 414.826390] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.831393] ? find_next_bit+0x104/0x130 [ 414.835446] __alloc_pages_slowpath+0x2318/0x2d80 [ 414.840295] ? warn_alloc+0x120/0x120 [ 414.844089] ? __radix_tree_lookup+0x4c0/0x4c0 [ 414.848670] ? find_get_entry+0x2f2/0xc40 [ 414.852817] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 414.857742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.863267] ? should_fail+0x22d/0xd01 [ 414.867146] ? ___might_sleep+0x1ed/0x300 [ 414.871282] ? lock_release+0x970/0x970 [ 414.875248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.880343] ? debug_smp_processor_id+0x1c/0x20 [ 414.885010] ? __might_sleep+0x95/0x190 [ 414.888979] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 414.893812] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.898825] ? lock_downgrade+0x900/0x900 [ 414.902970] ? ___might_sleep+0x1ed/0x300 [ 414.907106] ? lock_release+0x970/0x970 [ 414.911071] ? arch_local_save_flags+0x40/0x40 [ 414.915643] ? finish_task_switch+0x1f5/0x900 [ 414.920227] ? __might_sleep+0x95/0x190 [ 414.924194] __alloc_pages_nodemask+0xa80/0xde0 [ 414.928855] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.933862] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.939650] ? mark_held_locks+0x130/0x130 [ 414.943871] ? kasan_check_write+0x14/0x20 [ 414.948096] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 414.952776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.958302] ? __do_page_cache_readahead+0x7ce/0x980 [ 414.963403] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.968929] alloc_pages_current+0x10c/0x210 [ 414.973326] ? lock_downgrade+0x900/0x900 [ 414.977468] __page_cache_alloc+0x38f/0x5b0 [ 414.981783] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.987581] ? ext4_filemap_fault+0x82/0xad [ 414.991898] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 414.996558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.002096] ? check_preemption_disabled+0x48/0x200 [ 415.007107] filemap_fault+0x1594/0x25f0 [ 415.011175] ? __lock_page_or_retry+0xa00/0xa00 [ 415.015835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 415.021622] ? lock_downgrade+0x900/0x900 [ 415.025763] ? trace_hardirqs_on+0xbd/0x310 [ 415.030071] ? kasan_check_read+0x11/0x20 [ 415.034209] ? __free_object+0x173/0x340 [ 415.038267] ? filemap_map_pages+0xdea/0x1980 [ 415.042754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.047865] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 415.053131] ? debug_object_free+0x325/0x690 [ 415.057536] ? find_get_pages_range_tag+0x1320/0x1320 [ 415.062840] ? do_raw_spin_lock+0xc1/0x200 [ 415.067065] ? kasan_check_read+0x11/0x20 [ 415.071211] ? debug_object_destroy+0x2b0/0x2b0 [ 415.075869] ? kasan_check_write+0x14/0x20 [ 415.080097] ? lock_acquire+0x1ed/0x520 [ 415.084062] ? ext4_filemap_fault+0x7a/0xad [ 415.088392] ? lock_release+0x970/0x970 [ 415.092357] ? arch_local_save_flags+0x40/0x40 [ 415.096934] ? futex_wait_setup+0x3e0/0x3e0 [ 415.101253] ? down_read+0xb0/0x1d0 [ 415.104880] ? ext4_filemap_fault+0x7a/0xad [ 415.109193] ? __down_interruptible+0x700/0x700 [ 415.113859] ext4_filemap_fault+0x82/0xad [ 415.118001] __do_fault+0x100/0x6b0 [ 415.121638] ? print_bad_pte+0x6c0/0x6c0 [ 415.125688] ? do_futex+0x249/0x26d0 [ 415.129393] ? pmd_val+0x88/0x100 [ 415.132850] ? add_mm_counter_fast+0xd0/0xd0 [ 415.137249] ? pmd_val+0x88/0x100 [ 415.140694] ? add_mm_counter_fast+0xd0/0xd0 [ 415.145095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.150628] __handle_mm_fault+0x3709/0x53e0 [ 415.155027] ? perf_trace_lock+0x14d/0x7a0 [ 415.159272] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 415.164105] ? ksys_dup3+0x680/0x680 [ 415.167812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.173338] ? should_fail+0x22d/0xd01 [ 415.177232] ? lock_acquire+0x1ed/0x520 [ 415.181199] ? handle_mm_fault+0x42a/0xc70 [ 415.185426] ? lock_downgrade+0x900/0x900 [ 415.189575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 415.195370] ? lock_downgrade+0x900/0x900 [ 415.199510] ? __do_page_fault+0x67d/0xed0 [ 415.203733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.209175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.214706] ? check_preemption_disabled+0x48/0x200 [ 415.219720] handle_mm_fault+0x54f/0xc70 [ 415.223778] ? __handle_mm_fault+0x53e0/0x53e0 [ 415.228354] ? find_vma+0x34/0x190 [ 415.231888] __do_page_fault+0x67d/0xed0 [ 415.235944] ? mm_fault_error+0x380/0x380 [ 415.240081] ? trace_hardirqs_off+0xb8/0x310 [ 415.244480] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.249832] ? trace_hardirqs_on+0x310/0x310 [ 415.254232] do_page_fault+0xf2/0x7e0 [ 415.258024] ? vmalloc_sync_all+0x30/0x30 [ 415.262161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.267685] ? error_entry+0x70/0xd0 [ 415.271391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.276397] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.281318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.286238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.291091] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.296097] ? trace_hardirqs_off+0x310/0x310 [ 415.300583] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.305588] ? page_fault+0x8/0x30 [ 415.309118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.313951] ? page_fault+0x8/0x30 [ 415.317480] page_fault+0x1e/0x30 [ 415.320919] RIP: 0033:0x40f9c0 [ 415.324103] Code: Bad RIP value. [ 415.327453] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 415.332813] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 415.340070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 415.347326] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 415.354586] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 415.361845] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 415.369119] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 415.369235] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.376388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.386585] syz-fuzzer cpuset= [ 415.395912] Call Trace: [ 415.395919] / [ 415.399086] [ 415.401645] mems_allowed=0 [ 415.403345] dump_stack+0x1c4/0x2b4 [ 415.411989] ? dump_stack_print_info.cold.2+0x52/0x52 [ 415.417177] warn_alloc.cold.119+0xb7/0x1bd [ 415.421489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.426323] ? lock_downgrade+0x900/0x900 [ 415.430466] ? trace_hardirqs_off+0xb8/0x310 [ 415.434869] ? trace_hardirqs_off+0xb8/0x310 [ 415.439275] __alloc_pages_slowpath+0x2667/0x2d80 [ 415.444122] ? debug_object_activate+0x402/0x600 [ 415.448870] ? warn_alloc+0x120/0x120 [ 415.452669] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.457676] ? warn_alloc+0x120/0x120 [ 415.461472] ? get_stack_info+0x37/0x142 [ 415.465529] ? warn_alloc+0x120/0x120 [ 415.469322] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.474328] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 415.479076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.484604] ? should_fail+0x22d/0xd01 [ 415.488484] ? is_bpf_text_address+0xac/0x170 [ 415.492971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.498064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.503591] ? should_fail+0x22d/0xd01 [ 415.507468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.512564] ? should_fail+0x22d/0xd01 [ 415.516443] ? kasan_check_read+0x11/0x20 [ 415.520589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.525858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.531123] ? unwind_dump+0x190/0x190 [ 415.535005] ? mark_held_locks+0x130/0x130 [ 415.539235] ? mark_held_locks+0x130/0x130 [ 415.543460] ? update_stack_state+0x1a5/0x690 [ 415.547947] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.552953] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 415.557703] ? is_bpf_text_address+0xac/0x170 [ 415.562190] ? lock_downgrade+0x900/0x900 [ 415.566337] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 415.572122] ? kasan_check_read+0x11/0x20 [ 415.576264] __alloc_pages_nodemask+0xa80/0xde0 [ 415.580929] ? should_fail+0x22d/0xd01 [ 415.584812] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.589818] ? is_bpf_text_address+0xd3/0x170 [ 415.594313] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.598972] ? lock_downgrade+0x900/0x900 [ 415.603115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.609181] cache_grow_begin+0x91/0x8c0 [ 415.613233] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.617640] fallback_alloc+0x203/0x2e0 [ 415.621608] ____cache_alloc_node+0x1c7/0x1e0 [ 415.626097] kmem_cache_alloc_node+0xe3/0x730 [ 415.630588] __alloc_skb+0x119/0x770 [ 415.634299] ? skb_scrub_packet+0x490/0x490 [ 415.638612] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 415.643187] ? queue_work_on+0x12c/0x1e0 [ 415.647241] ? switchdev_port_obj_del+0xdc/0x450 [ 415.651990] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.657345] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.662356] __br_mdb_notify+0x4ff/0x15d0 [ 415.666501] ? __br_mdb_add+0x800/0x800 [ 415.670474] ? kasan_check_write+0x14/0x20 [ 415.674712] ? do_raw_spin_lock+0xc1/0x200 [ 415.678938] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.684030] ? debug_object_assert_init+0x368/0x4b0 [ 415.689040] ? debug_object_init_on_stack+0x20/0x20 [ 415.694048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.699578] br_mdb_notify+0x310/0x410 [ 415.703455] ? br_mdb_dump+0x2530/0x2530 [ 415.707522] br_multicast_del_pg+0x3df/0x790 [ 415.711923] ? br_mdb_ip_get+0x940/0x940 [ 415.715979] ? kasan_check_write+0x14/0x20 [ 415.720204] ? do_raw_spin_lock+0xc1/0x200 [ 415.724432] br_multicast_port_group_expired+0x189/0x1e0 [ 415.729876] call_timer_fn+0x272/0x920 [ 415.733751] ? br_multicast_del_pg+0x790/0x790 [ 415.738325] ? process_timeout+0x40/0x40 [ 415.742378] ? trace_hardirqs_off+0xb8/0x310 [ 415.746773] ? kasan_check_read+0x11/0x20 [ 415.750911] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.755313] ? trace_hardirqs_on+0x310/0x310 [ 415.759714] ? __run_timers+0x7da/0xc70 [ 415.763684] ? lock_downgrade+0x900/0x900 [ 415.767826] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.772921] ? trace_hardirqs_on+0xbd/0x310 [ 415.777718] ? kasan_check_read+0x11/0x20 [ 415.781862] ? __run_timers+0x7da/0xc70 [ 415.785830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.791273] ? kasan_check_write+0x14/0x20 [ 415.795757] ? do_raw_spin_lock+0xc1/0x200 [ 415.799986] ? br_multicast_del_pg+0x790/0x790 [ 415.804557] __run_timers+0x7e5/0xc70 [ 415.808354] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.813710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.818721] ? timerqueue_add+0x207/0x2b0 [ 415.822863] ? enqueue_hrtimer+0x1a5/0x560 [ 415.827087] ? lock_release+0x970/0x970 [ 415.831054] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.836235] ? kasan_check_write+0x14/0x20 [ 415.840469] ? pvclock_read_flags+0x160/0x160 [ 415.844958] ? lock_downgrade+0x900/0x900 [ 415.849100] ? trace_hardirqs_on+0xbd/0x310 [ 415.853411] ? kvm_sched_clock_read+0x9/0x20 [ 415.857811] ? irq_exit+0x17f/0x1c0 [ 415.861430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.866960] ? check_preemption_disabled+0x48/0x200 [ 415.871966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.877505] run_timer_softirq+0x52/0xb0 [ 415.881575] ? __this_cpu_preempt_check+0x1c/0x1f [ 415.886409] __do_softirq+0x30b/0xad8 [ 415.890207] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.895303] ? pvclock_read_flags+0x160/0x160 [ 415.899788] ? lapic_next_event+0x5a/0x90 [ 415.903926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.909456] ? clockevents_program_event+0x140/0x370 [ 415.914555] ? kvm_clock_read+0x18/0x30 [ 415.918520] ? kvm_sched_clock_read+0x9/0x20 [ 415.922921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.928448] ? check_preemption_disabled+0x48/0x200 [ 415.933462] irq_exit+0x17f/0x1c0 [ 415.936910] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.941744] ? smp_reschedule_interrupt+0x109/0x650 [ 415.946751] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.952624] ? interrupt_entry+0xb5/0xf0 [ 415.956679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.961707] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.966714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.971546] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.976553] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.981558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.987086] ? check_preemption_disabled+0x48/0x200 [ 415.992094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.997628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.002489] apic_timer_interrupt+0xf/0x20 [ 416.006711] [ 416.008942] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.013864] 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 [ 416.032754] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.040453] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 416.047719] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 416.054979] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 416.062241] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 416.069501] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 416.076771] ? trace_hardirqs_on+0xb4/0x310 [ 416.081088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.086730] skb_clone+0x1bb/0x500 [ 416.090265] ? skb_split+0x11e0/0x11e0 [ 416.094147] ? check_preemption_disabled+0x48/0x200 [ 416.099156] ? __this_cpu_preempt_check+0x1c/0x1f [ 416.103990] ? __bpf_redirect+0x54b/0xb20 [ 416.108126] ? __switch_to_asm+0x34/0x70 [ 416.112181] bpf_clone_redirect+0xb9/0x490 [ 416.116410] bpf_prog_466abe619656067b+0x436/0x1000 [ 416.121420] ? __sched_text_start+0x8/0x8 [ 416.125558] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.130317] ? retint_kernel+0x2d/0x2d [ 416.134203] ? lock_acquire+0x1ed/0x520 [ 416.138198] ? bpf_test_run+0x32e/0x5a0 [ 416.142187] ? lock_downgrade+0x900/0x900 [ 416.146325] ? lock_release+0x970/0x970 [ 416.150292] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.156082] ? preempt_schedule_common+0x1f/0xd0 [ 416.160846] ? preempt_schedule+0x4d/0x60 [ 416.164983] ? ___preempt_schedule+0x16/0x18 [ 416.169387] ? bpf_test_run+0x1c0/0x5a0 [ 416.173358] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.177760] ? bpf_prog_test_run_skb+0x295/0xb40 [ 416.182506] ? bpf_prog_test_run_skb+0x634/0xb40 [ 416.187258] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 416.192090] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.197618] ? fput+0x130/0x1a0 [ 416.200889] ? __bpf_prog_get+0x9b/0x290 [ 416.204943] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 416.209773] ? bpf_prog_test_run+0x130/0x1a0 [ 416.214171] ? __x64_sys_bpf+0x3d8/0x510 [ 416.218225] ? bpf_prog_get+0x20/0x20 [ 416.222026] ? do_syscall_64+0x1b9/0x820 [ 416.226077] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.231433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.236362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.241197] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.246206] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.251324] ? prepare_exit_to_usermode+0x291/0x3b0 [ 416.256345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.261184] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.266550] warn_alloc_show_mem: 1 callbacks suppressed [ 416.266559] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 416.266561] Mem-Info: [ 416.266588] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 416.266588] active_file:98 inactive_file:120 isolated_file:0 [ 416.266588] unevictable:0 dirty:0 writeback:0 unstable:0 [ 416.266588] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 416.266588] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 416.266588] free:13602 free_pcp:142 free_cma:0 [ 416.271923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.278843] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 416.281231] Call Trace: [ 416.314183] Node 0 [ 416.323522] [ 416.351191] 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 [ 416.353742] dump_stack+0x1c4/0x2b4 [ 416.356033] lowmem_reserve[]: [ 416.358178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.383646] 0 [ 416.387267] warn_alloc.cold.119+0xb7/0x1bd [ 416.390337] 2819 [ 416.395512] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.397283] 6323 [ 416.401588] ? lock_downgrade+0x900/0x900 [ 416.403622] 6323 [ 416.408456] ? trace_hardirqs_off+0xb8/0x310 [ 416.414619] ? trace_hardirqs_off+0xb8/0x310 [ 416.416672] Node 0 [ 416.421068] __alloc_pages_slowpath+0x2667/0x2d80 [ 416.425473] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 416.427683] ? debug_object_activate+0x402/0x600 [ 416.432485] lowmem_reserve[]: [ 416.459011] ? warn_alloc+0x120/0x120 [ 416.463736] 0 [ 416.466826] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.470596] 0 [ 416.472382] ? warn_alloc+0x120/0x120 [ 416.477365] 3503 [ 416.479155] ? get_stack_info+0x37/0x142 [ 416.482923] 3503 [ 416.484969] ? warn_alloc+0x120/0x120 [ 416.491048] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.494815] Node 0 [ 416.499897] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 416.499929] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 416.502131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.506855] lowmem_reserve[]: [ 416.535294] ? should_fail+0x22d/0xd01 [ 416.540800] 0 [ 416.543893] ? is_bpf_text_address+0xac/0x170 [ 416.547747] 0 [ 416.549537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.554001] 0 [ 416.555801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.560873] 0 [ 416.562750] ? should_fail+0x22d/0xd01 [ 416.570044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.573902] Node 0 [ 416.578985] ? should_fail+0x22d/0xd01 [ 416.578992] DMA: [ 416.581211] ? kasan_check_read+0x11/0x20 [ 416.585067] 1*4kB [ 416.587115] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.591232] (U) [ 416.593367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.598611] 0*8kB [ 416.600572] ? unwind_dump+0x190/0x190 [ 416.605643] 0*16kB [ 416.607777] ? mark_held_locks+0x130/0x130 [ 416.611631] 1*32kB [ 416.613851] ? mark_held_locks+0x130/0x130 [ 416.618053] (U) [ 416.620274] ? update_stack_state+0x1a5/0x690 [ 416.624479] 2*64kB [ 416.626450] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.630912] (U) [ 416.633143] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 416.638128] 1*128kB (U) [ 416.640098] ? is_bpf_text_address+0xac/0x170 [ 416.644816] 1*256kB (U) [ 416.647479] ? lock_downgrade+0x900/0x900 [ 416.651942] 0*512kB [ 416.654599] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.658714] 1*1024kB [ 416.661020] ? kasan_check_read+0x11/0x20 [ 416.666789] (U) [ 416.669192] __alloc_pages_nodemask+0xa80/0xde0 [ 416.673308] 1*2048kB [ 416.675268] ? should_fail+0x22d/0xd01 [ 416.679916] (M) [ 416.682313] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.686163] 3*4096kB (M) [ 416.688133] ? is_bpf_text_address+0xd3/0x170 [ 416.693114] = 15908kB [ 416.695866] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.700323] Node 0 [ 416.702721] ? lock_downgrade+0x900/0x900 [ 416.707360] DMA32: [ 416.709585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.713717] 5*4kB [ 416.715941] cache_grow_begin+0x91/0x8c0 [ 416.721444] (UM) [ 416.723583] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.727613] 0*8kB [ 416.729665] fallback_alloc+0x203/0x2e0 [ 416.734045] 5*16kB [ 416.736187] ____cache_alloc_node+0x1c7/0x1e0 [ 416.740133] (UMH) [ 416.742360] kmem_cache_alloc_node+0xe3/0x730 [ 416.746824] 5*32kB [ 416.748966] __alloc_skb+0x119/0x770 [ 416.753428] (UMH) [ 416.755651] ? skb_scrub_packet+0x490/0x490 [ 416.759348] 7*64kB [ 416.761484] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 416.765771] (UM) [ 416.767995] ? queue_work_on+0x12c/0x1e0 [ 416.772544] 4*128kB [ 416.774595] ? switchdev_port_obj_del+0xdc/0x450 [ 416.778624] (UM) [ 416.780933] ? switchdev_trans_item_enqueue+0x260/0x260 [ 416.785658] 5*256kB [ 416.787734] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.793079] (UMH) [ 416.795392] __br_mdb_notify+0x4ff/0x15d0 [ 416.800383] 4*512kB [ 416.802522] ? __br_mdb_add+0x800/0x800 [ 416.806635] (UM) [ 416.808944] ? kasan_check_write+0x14/0x20 [ 416.812886] 4*1024kB [ 416.814933] ? do_raw_spin_lock+0xc1/0x200 [ 416.819132] (UMH) 4*2048kB [ 416.821541] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.825740] (UM) [ 416.828662] ? debug_object_assert_init+0x368/0x4b0 [ 416.833746] 2*4096kB [ 416.835797] ? debug_object_init_on_stack+0x20/0x20 [ 416.840783] (M) [ 416.843178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.848163] = 25028kB [ 416.850126] br_mdb_notify+0x310/0x410 [ 416.855630] Node 0 [ 416.858042] ? br_mdb_dump+0x2530/0x2530 [ 416.861902] Normal: [ 416.864130] br_multicast_del_pg+0x3df/0x790 [ 416.868160] 809*4kB [ 416.870466] ? br_mdb_ip_get+0x940/0x940 [ 416.874844] (UMEH) [ 416.877154] ? kasan_check_write+0x14/0x20 [ 416.881187] 372*8kB [ 416.883415] ? do_raw_spin_lock+0xc1/0x200 [ 416.887615] (UMEH) [ 416.889924] br_multicast_port_group_expired+0x189/0x1e0 [ 416.894126] 191*16kB [ 416.896349] call_timer_fn+0x272/0x920 [ 416.901764] (UMEH) [ 416.904167] ? br_multicast_del_pg+0x790/0x790 [ 416.908026] 81*32kB [ 416.910249] ? process_timeout+0x40/0x40 [ 416.914797] (UME) [ 416.917115] ? trace_hardirqs_off+0xb8/0x310 [ 416.921143] 21*64kB (UMH) [ 416.923283] ? kasan_check_read+0x11/0x20 [ 416.927666] 3*128kB [ 416.930492] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.934693] (UH) [ 416.937000] ? trace_hardirqs_on+0x310/0x310 [ 416.941379] 0*256kB [ 416.943432] ? __run_timers+0x7da/0xc70 [ 416.947807] 0*512kB [ 416.950113] ? lock_downgrade+0x900/0x900 [ 416.954057] 0*1024kB [ 416.956367] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.960481] 0*2048kB [ 416.962893] ? trace_hardirqs_on+0xbd/0x310 [ 416.967964] 0*4096kB [ 416.970355] ? kasan_check_read+0x11/0x20 [ 416.974643] = 13588kB [ 416.977038] ? __run_timers+0x7da/0xc70 [ 416.981161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.983549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.987498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.996310] ? kasan_check_write+0x14/0x20 [ 417.001737] 348 total pagecache pages [ 417.010293] ? do_raw_spin_lock+0xc1/0x200 [ 417.014591] 0 pages in swap cache [ 417.018374] ? br_multicast_del_pg+0x790/0x790 [ 417.022589] Swap cache stats: add 0, delete 0, find 0/0 [ 417.026023] __run_timers+0x7e5/0xc70 [ 417.030574] Free swap = 0kB [ 417.035924] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.039692] Total swap = 0kB [ 417.042695] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.048038] 1965979 pages RAM [ 417.051044] ? timerqueue_add+0x207/0x2b0 [ 417.056026] 0 pages HighMem/MovableOnly [ 417.059113] ? enqueue_hrtimer+0x1a5/0x560 [ 417.063233] 342307 pages reserved [ 417.067188] ? lock_release+0x970/0x970 [ 417.071397] 0 pages cma reserved [ 417.074836] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.078896] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.082130] ? kasan_check_write+0x14/0x20 [ 417.087292] syz-executor3 cpuset= [ 417.097761] ? pvclock_read_flags+0x160/0x160 [ 417.101978] syz3 [ 417.105416] ? lock_downgrade+0x900/0x900 [ 417.109883] mems_allowed=0 [ 417.111846] ? trace_hardirqs_on+0xbd/0x310 [ 417.123179] ? kvm_sched_clock_read+0x9/0x20 [ 417.127582] ? irq_exit+0x17f/0x1c0 [ 417.131211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.136739] ? check_preemption_disabled+0x48/0x200 [ 417.141749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.147280] run_timer_softirq+0x52/0xb0 [ 417.151332] ? __this_cpu_preempt_check+0x1c/0x1f [ 417.156165] __do_softirq+0x30b/0xad8 [ 417.159960] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.165058] ? pvclock_read_flags+0x160/0x160 [ 417.169544] ? lapic_next_event+0x5a/0x90 [ 417.173686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.179216] ? clockevents_program_event+0x140/0x370 [ 417.184315] ? kvm_clock_read+0x18/0x30 [ 417.188278] ? kvm_sched_clock_read+0x9/0x20 [ 417.192678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.198205] ? check_preemption_disabled+0x48/0x200 [ 417.203217] irq_exit+0x17f/0x1c0 [ 417.206666] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.211510] ? smp_reschedule_interrupt+0x109/0x650 [ 417.216518] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.222398] ? interrupt_entry+0xb5/0xf0 [ 417.226451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.231456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.236464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.241295] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.246303] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.251308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.256836] ? check_preemption_disabled+0x48/0x200 [ 417.261842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.267383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.272223] apic_timer_interrupt+0xf/0x20 [ 417.276446] [ 417.278677] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 417.283857] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 417.302749] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 417.310452] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 417.317711] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 417.325074] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 417.332333] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 417.339595] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 417.346870] ? trace_hardirqs_on+0x9a/0x310 [ 417.351184] ? trace_hardirqs_on+0xb4/0x310 [ 417.355502] retint_kernel+0x1b/0x2d [ 417.359212] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 417.364477] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 417.383380] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 417.391078] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 417.398334] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 417.405596] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 417.412855] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 417.420116] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 417.427500] ? trace_hardirqs_on+0x9a/0x310 [ 417.431813] ? arch_local_irq_restore+0x45/0x52 [ 417.436478] dump_stack+0x26a/0x2b4 [ 417.440101] ? dump_stack_print_info.cold.2+0x52/0x52 [ 417.445283] ? mark_held_locks+0x130/0x130 [ 417.449511] ? mark_held_locks+0x130/0x130 [ 417.453738] dump_header+0x27b/0xf72 [ 417.457444] ? rcu_read_unlock+0x16/0x60 [ 417.461495] ? pagefault_out_of_memory+0x197/0x197 [ 417.466415] ? mark_held_locks+0x130/0x130 [ 417.470637] ? percpu_ref_put_many+0x13e/0x260 [ 417.475210] ? mem_cgroup_charge_statistics+0x780/0x780 [ 417.480572] ? mem_cgroup_iter+0x1f7/0x1160 [ 417.484886] ? mark_held_locks+0x130/0x130 [ 417.489116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.494641] ? task_will_free_mem+0x239/0xb30 [ 417.499136] ? ___ratelimit+0x36f/0x655 [ 417.503103] ? lock_downgrade+0x900/0x900 [ 417.507249] ? trace_hardirqs_on+0xbd/0x310 [ 417.511558] ? kasan_check_read+0x11/0x20 [ 417.515695] ? ___ratelimit+0x36f/0x655 [ 417.519659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.525098] ? trace_hardirqs_on+0x310/0x310 [ 417.529498] ? lock_downgrade+0x900/0x900 [ 417.533638] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.538732] ? ___ratelimit+0xaa/0x655 [ 417.542614] ? idr_get_free+0xec0/0xec0 [ 417.546576] ? kasan_check_write+0x14/0x20 [ 417.550805] ? do_raw_spin_lock+0xc1/0x200 [ 417.555042] oom_kill_process.cold.27+0x10/0x903 [ 417.560065] ? lock_downgrade+0x900/0x900 [ 417.564209] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.570002] ? oom_evaluate_task+0x540/0x540 [ 417.574421] ? oom_unkillable_task+0x383/0x580 [ 417.579000] ? out_of_memory+0x974/0x1430 [ 417.583145] ? lock_downgrade+0x900/0x900 [ 417.587286] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.593075] ? __cpuset_node_allowed+0x19b/0x660 [ 417.597825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.603359] ? oom_evaluate_task+0x302/0x540 [ 417.607865] out_of_memory+0xa84/0x1430 [ 417.612328] ? oom_killer_disable+0x3a0/0x3a0 [ 417.616834] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 417.621756] ? __mutex_add_waiter+0x2a0/0x2a0 [ 417.626243] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.631249] ? find_next_bit+0x104/0x130 [ 417.635308] __alloc_pages_slowpath+0x2318/0x2d80 [ 417.640172] ? warn_alloc+0x120/0x120 [ 417.643964] ? __radix_tree_lookup+0x4c0/0x4c0 [ 417.648545] ? find_get_entry+0x2f2/0xc40 [ 417.652695] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 417.657616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.663145] ? should_fail+0x22d/0xd01 [ 417.667023] ? ___might_sleep+0x1ed/0x300 [ 417.671163] ? lock_release+0x970/0x970 [ 417.675131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.680223] ? debug_smp_processor_id+0x1c/0x20 [ 417.684888] ? __might_sleep+0x95/0x190 [ 417.688856] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 417.693693] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.698706] ? lock_downgrade+0x900/0x900 [ 417.702852] ? ___might_sleep+0x1ed/0x300 [ 417.706988] ? lock_release+0x970/0x970 [ 417.710952] ? arch_local_save_flags+0x40/0x40 [ 417.715528] ? finish_task_switch+0x1f5/0x900 [ 417.720017] ? __might_sleep+0x95/0x190 [ 417.723983] __alloc_pages_nodemask+0xa80/0xde0 [ 417.728649] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.733656] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.739442] ? mark_held_locks+0x130/0x130 [ 417.743666] ? kasan_check_write+0x14/0x20 [ 417.747892] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 417.752561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.758092] ? __do_page_cache_readahead+0x7ce/0x980 [ 417.763195] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 417.768727] alloc_pages_current+0x10c/0x210 [ 417.773126] ? lock_downgrade+0x900/0x900 [ 417.777597] __page_cache_alloc+0x38f/0x5b0 [ 417.781914] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.787705] ? ext4_filemap_fault+0x82/0xad [ 417.792017] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 417.796677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.802206] ? check_preemption_disabled+0x48/0x200 [ 417.807217] filemap_fault+0x1594/0x25f0 [ 417.811275] ? __lock_page_or_retry+0xa00/0xa00 [ 417.815932] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.821720] ? lock_downgrade+0x900/0x900 [ 417.825861] ? trace_hardirqs_on+0xbd/0x310 [ 417.830171] ? kasan_check_read+0x11/0x20 [ 417.834317] ? __free_object+0x173/0x340 [ 417.838370] ? filemap_map_pages+0xdea/0x1980 [ 417.842948] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.848924] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 417.854194] ? debug_object_free+0x325/0x690 [ 417.858611] ? find_get_pages_range_tag+0x1320/0x1320 [ 417.863797] ? do_raw_spin_lock+0xc1/0x200 [ 417.868032] ? kasan_check_read+0x11/0x20 [ 417.872174] ? debug_object_destroy+0x2b0/0x2b0 [ 417.876838] ? kasan_check_write+0x14/0x20 [ 417.881067] ? lock_acquire+0x1ed/0x520 [ 417.885033] ? ext4_filemap_fault+0x7a/0xad [ 417.889351] ? lock_release+0x970/0x970 [ 417.893322] ? arch_local_save_flags+0x40/0x40 [ 417.897899] ? futex_wait_setup+0x3e0/0x3e0 [ 417.902220] ? down_read+0xb0/0x1d0 [ 417.905854] ? ext4_filemap_fault+0x7a/0xad [ 417.910168] ? __down_interruptible+0x700/0x700 [ 417.914837] ext4_filemap_fault+0x82/0xad [ 417.918976] __do_fault+0x100/0x6b0 [ 417.922593] ? print_bad_pte+0x6c0/0x6c0 [ 417.926645] ? do_futex+0x249/0x26d0 [ 417.930353] ? pmd_val+0x88/0x100 [ 417.933798] ? add_mm_counter_fast+0xd0/0xd0 [ 417.938196] ? pmd_val+0x88/0x100 [ 417.941731] ? add_mm_counter_fast+0xd0/0xd0 [ 417.946220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.951751] __handle_mm_fault+0x3709/0x53e0 [ 417.956149] ? perf_trace_lock+0x14d/0x7a0 [ 417.960381] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 417.965217] ? ksys_dup3+0x680/0x680 [ 417.968921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.974450] ? should_fail+0x22d/0xd01 [ 417.978346] ? lock_acquire+0x1ed/0x520 [ 417.982318] ? handle_mm_fault+0x42a/0xc70 [ 417.986542] ? lock_downgrade+0x900/0x900 [ 417.990690] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.996475] ? lock_downgrade+0x900/0x900 [ 418.000618] ? __do_page_fault+0x67d/0xed0 [ 418.004845] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.010284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.015819] ? check_preemption_disabled+0x48/0x200 [ 418.020831] handle_mm_fault+0x54f/0xc70 [ 418.024884] ? __handle_mm_fault+0x53e0/0x53e0 [ 418.029464] ? find_vma+0x34/0x190 [ 418.032997] __do_page_fault+0x67d/0xed0 [ 418.037053] ? mm_fault_error+0x380/0x380 [ 418.041190] ? trace_hardirqs_off+0xb8/0x310 [ 418.045590] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.051042] ? trace_hardirqs_on+0x310/0x310 [ 418.055445] do_page_fault+0xf2/0x7e0 [ 418.059240] ? vmalloc_sync_all+0x30/0x30 [ 418.063376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.069007] ? error_entry+0x70/0xd0 [ 418.072712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.077721] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.082644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.087569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.092405] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.097409] ? trace_hardirqs_off+0x310/0x310 [ 418.101897] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.106905] ? page_fault+0x8/0x30 [ 418.110438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.115269] ? page_fault+0x8/0x30 [ 418.118806] page_fault+0x1e/0x30 [ 418.122247] RIP: 0033:0x40f9c0 [ 418.125435] Code: Bad RIP value. [ 418.128786] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 418.134137] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 418.141397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 418.148657] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 418.155917] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 418.163254] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 418.170538] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 418.170664] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.177813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.188010] syz-fuzzer cpuset= [ 418.197339] Call Trace: [ 418.197341] / mems_allowed=0 [ 418.200515] [ 418.208210] dump_stack+0x1c4/0x2b4 [ 418.211833] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.217026] warn_alloc.cold.119+0xb7/0x1bd [ 418.221341] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.226174] ? lock_downgrade+0x900/0x900 [ 418.230313] ? trace_hardirqs_off+0xb8/0x310 [ 418.234715] ? trace_hardirqs_off+0xb8/0x310 [ 418.239120] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.243971] ? debug_object_activate+0x402/0x600 [ 418.248726] ? warn_alloc+0x120/0x120 [ 418.252524] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.257536] ? warn_alloc+0x120/0x120 [ 418.261329] ? get_stack_info+0x37/0x142 [ 418.265382] ? warn_alloc+0x120/0x120 [ 418.269174] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.274184] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 418.278934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.284465] ? should_fail+0x22d/0xd01 [ 418.288344] ? is_bpf_text_address+0xac/0x170 [ 418.292832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.297924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.303462] ? should_fail+0x22d/0xd01 [ 418.307341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.312435] ? should_fail+0x22d/0xd01 [ 418.316315] ? kasan_check_read+0x11/0x20 [ 418.320459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.325725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.330816] ? unwind_dump+0x190/0x190 [ 418.334697] ? mark_held_locks+0x130/0x130 [ 418.338924] ? mark_held_locks+0x130/0x130 [ 418.343151] ? update_stack_state+0x1a5/0x690 [ 418.347640] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.352647] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 418.357396] ? is_bpf_text_address+0xac/0x170 [ 418.361880] ? lock_downgrade+0x900/0x900 [ 418.366029] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 418.371816] ? kasan_check_read+0x11/0x20 [ 418.375959] __alloc_pages_nodemask+0xa80/0xde0 [ 418.380618] ? should_fail+0x22d/0xd01 [ 418.384502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.389509] ? is_bpf_text_address+0xd3/0x170 [ 418.394013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.398678] ? lock_downgrade+0x900/0x900 [ 418.402821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.408351] cache_grow_begin+0x91/0x8c0 [ 418.412409] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.416811] fallback_alloc+0x203/0x2e0 [ 418.420783] ____cache_alloc_node+0x1c7/0x1e0 [ 418.425278] kmem_cache_alloc_node+0xe3/0x730 [ 418.429770] __alloc_skb+0x119/0x770 [ 418.433478] ? skb_scrub_packet+0x490/0x490 [ 418.437792] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 418.442372] ? queue_work_on+0x12c/0x1e0 [ 418.446424] ? switchdev_port_obj_del+0xdc/0x450 [ 418.451169] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.456524] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.461532] __br_mdb_notify+0x4ff/0x15d0 [ 418.465674] ? __br_mdb_add+0x800/0x800 [ 418.469641] ? kasan_check_write+0x14/0x20 [ 418.473867] ? do_raw_spin_lock+0xc1/0x200 [ 418.478100] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.483196] ? debug_object_assert_init+0x368/0x4b0 [ 418.488204] ? debug_object_init_on_stack+0x20/0x20 [ 418.493228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.498767] br_mdb_notify+0x310/0x410 [ 418.502647] ? br_mdb_dump+0x2530/0x2530 [ 418.506703] br_multicast_del_pg+0x3df/0x790 [ 418.511102] ? br_mdb_ip_get+0x940/0x940 [ 418.515154] ? kasan_check_write+0x14/0x20 [ 418.519398] ? do_raw_spin_lock+0xc1/0x200 [ 418.523627] br_multicast_port_group_expired+0x189/0x1e0 [ 418.529072] call_timer_fn+0x272/0x920 [ 418.532948] ? br_multicast_del_pg+0x790/0x790 [ 418.537528] ? process_timeout+0x40/0x40 [ 418.541587] ? trace_hardirqs_off+0xb8/0x310 [ 418.545985] ? kasan_check_read+0x11/0x20 [ 418.550124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.554522] ? trace_hardirqs_on+0x310/0x310 [ 418.558922] ? __run_timers+0x7da/0xc70 [ 418.562889] ? lock_downgrade+0x900/0x900 [ 418.567034] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.572131] ? trace_hardirqs_on+0xbd/0x310 [ 418.576443] ? kasan_check_read+0x11/0x20 [ 418.580583] ? __run_timers+0x7da/0xc70 [ 418.584551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.589995] ? kasan_check_write+0x14/0x20 [ 418.594227] ? do_raw_spin_lock+0xc1/0x200 [ 418.598462] ? br_multicast_del_pg+0x790/0x790 [ 418.603032] __run_timers+0x7e5/0xc70 [ 418.606830] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.612184] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.617192] ? timerqueue_add+0x207/0x2b0 [ 418.621336] ? enqueue_hrtimer+0x1a5/0x560 [ 418.625560] ? lock_release+0x970/0x970 [ 418.629525] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.634707] ? kasan_check_write+0x14/0x20 [ 418.638939] ? pvclock_read_flags+0x160/0x160 [ 418.643423] ? lock_downgrade+0x900/0x900 [ 418.647567] ? trace_hardirqs_on+0xbd/0x310 [ 418.651877] ? kvm_sched_clock_read+0x9/0x20 [ 418.656275] ? irq_exit+0x17f/0x1c0 [ 418.659892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.665421] ? check_preemption_disabled+0x48/0x200 [ 418.670425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.675955] run_timer_softirq+0x52/0xb0 [ 418.680012] ? __this_cpu_preempt_check+0x1c/0x1f [ 418.684845] __do_softirq+0x30b/0xad8 [ 418.688643] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.693737] ? pvclock_read_flags+0x160/0x160 [ 418.698222] ? lapic_next_event+0x5a/0x90 [ 418.702364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.707890] ? clockevents_program_event+0x140/0x370 [ 418.712984] ? kvm_clock_read+0x18/0x30 [ 418.716953] ? kvm_sched_clock_read+0x9/0x20 [ 418.721352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.726880] ? check_preemption_disabled+0x48/0x200 [ 418.731893] irq_exit+0x17f/0x1c0 [ 418.735339] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.740169] ? smp_reschedule_interrupt+0x109/0x650 [ 418.745180] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.751054] ? interrupt_entry+0xb5/0xf0 [ 418.755107] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.760114] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.765120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.769955] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.774960] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.780469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.786002] ? check_preemption_disabled+0x48/0x200 [ 418.791015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.796548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.801400] apic_timer_interrupt+0xf/0x20 [ 418.805621] [ 418.807852] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.812774] 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 [ 418.831663] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 418.839365] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 418.846623] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 418.853880] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 418.861158] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 418.868414] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 418.875686] ? trace_hardirqs_on+0xb4/0x310 [ 418.880007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.885537] skb_clone+0x1bb/0x500 [ 418.889068] ? skb_split+0x11e0/0x11e0 [ 418.892961] ? check_preemption_disabled+0x48/0x200 [ 418.897973] ? __this_cpu_preempt_check+0x1c/0x1f [ 418.902813] ? __bpf_redirect+0x54b/0xb20 [ 418.906952] ? __switch_to_asm+0x34/0x70 [ 418.911010] bpf_clone_redirect+0xb9/0x490 [ 418.915246] bpf_prog_466abe619656067b+0x436/0x1000 [ 418.920255] ? __sched_text_start+0x8/0x8 [ 418.924393] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.929144] ? retint_kernel+0x2d/0x2d [ 418.933032] ? lock_acquire+0x1ed/0x520 [ 418.937001] ? bpf_test_run+0x32e/0x5a0 [ 418.940965] ? lock_downgrade+0x900/0x900 [ 418.945114] ? lock_release+0x970/0x970 [ 418.949095] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 418.954885] ? preempt_schedule_common+0x1f/0xd0 [ 418.959633] ? preempt_schedule+0x4d/0x60 [ 418.963770] ? ___preempt_schedule+0x16/0x18 [ 418.968170] ? bpf_test_run+0x1c0/0x5a0 [ 418.972143] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.976542] ? bpf_prog_test_run_skb+0x295/0xb40 [ 418.981305] ? bpf_prog_test_run_skb+0x634/0xb40 [ 418.986053] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 418.990888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.996417] ? fput+0x130/0x1a0 [ 418.999689] ? __bpf_prog_get+0x9b/0x290 [ 419.003744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.008576] ? bpf_prog_test_run+0x130/0x1a0 [ 419.012979] ? __x64_sys_bpf+0x3d8/0x510 [ 419.017033] ? bpf_prog_get+0x20/0x20 [ 419.020832] ? do_syscall_64+0x1b9/0x820 [ 419.024884] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.030238] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.035160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.039992] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.045000] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.050006] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.055020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.059858] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.065223] warn_alloc_show_mem: 1 callbacks suppressed [ 419.065232] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 419.065233] Mem-Info: [ 419.065261] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 419.065261] active_file:98 inactive_file:120 isolated_file:0 [ 419.065261] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.065261] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 419.065261] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 419.065261] free:13602 free_pcp:142 free_cma:0 [ 419.070594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.077512] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.079900] Call Trace: [ 419.112839] Node 0 [ 419.122174] [ 419.149852] 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 [ 419.152404] dump_stack+0x1c4/0x2b4 [ 419.154604] lowmem_reserve[]: 0 [ 419.156747] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.182218] 2819 [ 419.185833] warn_alloc.cold.119+0xb7/0x1bd [ 419.189079] 6323 [ 419.194251] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.196283] 6323 [ 419.200589] ? lock_downgrade+0x900/0x900 [ 419.207458] ? trace_hardirqs_off+0xb8/0x310 [ 419.209484] Node 0 [ 419.213643] ? trace_hardirqs_off+0xb8/0x310 [ 419.218043] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 419.220257] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.224631] lowmem_reserve[]: [ 419.251165] ? debug_object_activate+0x402/0x600 [ 419.255969] 0 [ 419.259059] ? warn_alloc+0x120/0x120 [ 419.263893] 0 [ 419.265682] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.269447] 3503 3503 [ 419.271239] ? warn_alloc+0x120/0x120 [ 419.278707] ? get_stack_info+0x37/0x142 [ 419.282475] Node 0 [ 419.286516] ? warn_alloc+0x120/0x120 [ 419.286538] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 419.286544] lowmem_reserve[]: [ 419.288764] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.292536] 0 [ 419.320986] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 419.324060] 0 [ 419.329062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.330831] 0 [ 419.335568] ? should_fail+0x22d/0xd01 [ 419.337352] 0 [ 419.342872] ? is_bpf_text_address+0xac/0x170 [ 419.348515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.350287] Node 0 [ 419.354765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.359834] DMA: [ 419.362054] ? should_fail+0x22d/0xd01 [ 419.367562] 1*4kB [ 419.369609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.373464] (U) [ 419.375596] ? should_fail+0x22d/0xd01 [ 419.380669] 0*8kB [ 419.382626] ? kasan_check_read+0x11/0x20 [ 419.386480] 0*16kB [ 419.388617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.392730] 1*32kB [ 419.394952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.400199] (U) [ 419.402420] ? unwind_dump+0x190/0x190 [ 419.407504] 2*64kB [ 419.409465] ? mark_held_locks+0x130/0x130 [ 419.413321] (U) [ 419.415542] ? mark_held_locks+0x130/0x130 [ 419.419744] 1*128kB [ 419.421793] ? update_stack_state+0x1a5/0x690 [ 419.425999] (U) [ 419.428310] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.432772] 1*256kB [ 419.434734] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 419.439719] (U) [ 419.442044] ? is_bpf_text_address+0xac/0x170 [ 419.446779] 0*512kB [ 419.448764] ? lock_downgrade+0x900/0x900 [ 419.453228] 1*1024kB [ 419.455539] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.459652] (U) [ 419.462058] ? kasan_check_read+0x11/0x20 [ 419.467827] 1*2048kB [ 419.469787] __alloc_pages_nodemask+0xa80/0xde0 [ 419.473901] (M) [ 419.476301] ? should_fail+0x22d/0xd01 [ 419.476317] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.480950] 3*4096kB (M) [ 419.482917] ? is_bpf_text_address+0xd3/0x170 [ 419.486774] = 15908kB [ 419.491928] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.494651] Node 0 [ 419.499130] ? lock_downgrade+0x900/0x900 [ 419.501509] DMA32: [ 419.506170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.508372] 5*4kB [ 419.512504] cache_grow_begin+0x91/0x8c0 [ 419.514720] (UM) [ 419.520257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.522376] 0*8kB [ 419.526426] fallback_alloc+0x203/0x2e0 [ 419.528455] 5*16kB [ 419.532846] ____cache_alloc_node+0x1c7/0x1e0 [ 419.534965] (UMH) [ 419.538921] kmem_cache_alloc_node+0xe3/0x730 [ 419.541127] 5*32kB (UMH) [ 419.545615] __alloc_skb+0x119/0x770 [ 419.547735] 7*64kB [ 419.552212] ? skb_scrub_packet+0x490/0x490 [ 419.554942] (UM) [ 419.558640] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 419.560850] 4*128kB [ 419.565153] ? queue_work_on+0x12c/0x1e0 [ 419.567191] (UM) [ 419.571756] ? switchdev_port_obj_del+0xdc/0x450 [ 419.574048] 5*256kB [ 419.578092] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.580127] (UMH) [ 419.584866] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.587164] 4*512kB [ 419.592610] __br_mdb_notify+0x4ff/0x15d0 [ 419.594728] (UM) [ 419.599732] ? __br_mdb_add+0x800/0x800 [ 419.602027] 4*1024kB [ 419.606165] ? kasan_check_write+0x14/0x20 [ 419.608702] (UMH) 4*2048kB [ 419.612683] ? do_raw_spin_lock+0xc1/0x200 [ 419.615058] (UM) [ 419.619279] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.622184] 2*4096kB [ 419.626430] ? debug_object_assert_init+0x368/0x4b0 [ 419.628458] (M) = 25028kB [ 419.633740] ? debug_object_init_on_stack+0x20/0x20 [ 419.636123] Node 0 [ 419.641122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.643848] Normal: [ 419.648847] br_mdb_notify+0x310/0x410 [ 419.651054] 809*4kB [ 419.656572] ? br_mdb_dump+0x2530/0x2530 [ 419.658866] (UMEH) [ 419.662743] br_multicast_del_pg+0x3df/0x790 [ 419.665033] 372*8kB [ 419.669079] ? br_mdb_ip_get+0x940/0x940 [ 419.671288] (UMEH) [ 419.675680] ? kasan_check_write+0x14/0x20 [ 419.677973] 191*16kB [ 419.682016] ? do_raw_spin_lock+0xc1/0x200 [ 419.684238] (UMEH) [ 419.688471] br_multicast_port_group_expired+0x189/0x1e0 [ 419.690851] 81*32kB [ 419.695082] call_timer_fn+0x272/0x920 [ 419.697284] (UME) [ 419.702716] ? br_multicast_del_pg+0x790/0x790 [ 419.705013] 21*64kB [ 419.708886] ? process_timeout+0x40/0x40 [ 419.711005] (UMH) [ 419.715657] ? trace_hardirqs_off+0xb8/0x310 [ 419.717962] 3*128kB [ 419.722005] ? kasan_check_read+0x11/0x20 [ 419.724137] (UH) [ 419.728533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.730826] 0*256kB 0*512kB [ 419.734965] ? trace_hardirqs_on+0x310/0x310 [ 419.736996] 0*1024kB [ 419.741388] ? __run_timers+0x7da/0xc70 [ 419.744390] 0*2048kB [ 419.748783] ? lock_downgrade+0x900/0x900 [ 419.751164] 0*4096kB [ 419.755119] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.757492] = 13588kB [ 419.757505] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.761629] ? trace_hardirqs_on+0xbd/0x310 [ 419.764010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 419.764017] 348 total pagecache pages [ 419.769100] ? kasan_check_read+0x11/0x20 [ 419.771482] 0 pages in swap cache [ 419.780536] ? __run_timers+0x7da/0xc70 [ 419.784831] Swap cache stats: add 0, delete 0, find 0/0 [ 419.793389] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.797164] Free swap = 0kB [ 419.801297] ? kasan_check_write+0x14/0x20 [ 419.804718] Total swap = 0kB [ 419.808677] ? do_raw_spin_lock+0xc1/0x200 [ 419.814007] 1965979 pages RAM [ 419.819454] ? br_multicast_del_pg+0x790/0x790 [ 419.822441] 0 pages HighMem/MovableOnly [ 419.826658] __run_timers+0x7e5/0xc70 [ 419.829672] 342307 pages reserved [ 419.833893] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.836966] 0 pages cma reserved [ 419.841535] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.845608] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.849264] ? timerqueue_add+0x207/0x2b0 [ 419.852687] syz-executor3 cpuset= [ 419.858032] ? enqueue_hrtimer+0x1a5/0x560 [ 419.861366] syz3 [ 419.866367] ? lock_release+0x970/0x970 [ 419.876822] mems_allowed=0 [ 419.880951] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.902590] ? kasan_check_write+0x14/0x20 [ 419.906821] ? pvclock_read_flags+0x160/0x160 [ 419.911306] ? lock_downgrade+0x900/0x900 [ 419.915449] ? trace_hardirqs_on+0xbd/0x310 [ 419.919761] ? kvm_sched_clock_read+0x9/0x20 [ 419.924158] ? irq_exit+0x17f/0x1c0 [ 419.927776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.933306] ? check_preemption_disabled+0x48/0x200 [ 419.938312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.943841] run_timer_softirq+0x52/0xb0 [ 419.947893] ? __this_cpu_preempt_check+0x1c/0x1f [ 419.952727] __do_softirq+0x30b/0xad8 [ 419.956524] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.961620] ? pvclock_read_flags+0x160/0x160 [ 419.966105] ? lapic_next_event+0x5a/0x90 [ 419.970251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.975779] ? clockevents_program_event+0x140/0x370 [ 419.980891] ? kvm_clock_read+0x18/0x30 [ 419.984861] ? kvm_sched_clock_read+0x9/0x20 [ 419.989265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.994791] ? check_preemption_disabled+0x48/0x200 [ 419.999804] irq_exit+0x17f/0x1c0 [ 420.003248] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.008080] ? smp_reschedule_interrupt+0x109/0x650 [ 420.013088] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.019088] ? interrupt_entry+0xb5/0xf0 [ 420.023147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.028155] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.033160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.037995] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.043013] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.048021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.053552] ? check_preemption_disabled+0x48/0x200 [ 420.058560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.064089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.068931] apic_timer_interrupt+0xf/0x20 [ 420.073152] [ 420.075388] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 420.080571] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 420.099459] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 420.107158] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 420.114414] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 420.121674] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 420.128931] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 420.136187] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 420.143458] ? trace_hardirqs_on+0x9a/0x310 [ 420.147772] ? trace_hardirqs_on+0xb4/0x310 [ 420.152089] retint_kernel+0x1b/0x2d [ 420.155800] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 420.161065] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 420.179963] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 420.187660] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 420.194920] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 420.202184] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 420.209458] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 420.216718] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 420.223985] ? trace_hardirqs_on+0x9a/0x310 [ 420.228298] ? arch_local_irq_restore+0x45/0x52 [ 420.232960] dump_stack+0x26a/0x2b4 [ 420.236581] ? dump_stack_print_info.cold.2+0x52/0x52 [ 420.241762] ? mark_held_locks+0x130/0x130 [ 420.245987] ? mark_held_locks+0x130/0x130 [ 420.250215] dump_header+0x27b/0xf72 [ 420.253922] ? rcu_read_unlock+0x16/0x60 [ 420.257977] ? pagefault_out_of_memory+0x197/0x197 [ 420.262897] ? mark_held_locks+0x130/0x130 [ 420.267126] ? percpu_ref_put_many+0x13e/0x260 [ 420.271700] ? mem_cgroup_charge_statistics+0x780/0x780 [ 420.277057] ? mem_cgroup_iter+0x1f7/0x1160 [ 420.281377] ? mark_held_locks+0x130/0x130 [ 420.285608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.291135] ? task_will_free_mem+0x239/0xb30 [ 420.295631] ? ___ratelimit+0x36f/0x655 [ 420.299595] ? lock_downgrade+0x900/0x900 [ 420.303737] ? trace_hardirqs_on+0xbd/0x310 [ 420.308049] ? kasan_check_read+0x11/0x20 [ 420.312188] ? ___ratelimit+0x36f/0x655 [ 420.316154] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.321611] ? trace_hardirqs_on+0x310/0x310 [ 420.326007] ? lock_downgrade+0x900/0x900 [ 420.330148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.335243] ? ___ratelimit+0xaa/0x655 [ 420.339124] ? idr_get_free+0xec0/0xec0 [ 420.343096] ? kasan_check_write+0x14/0x20 [ 420.347321] ? do_raw_spin_lock+0xc1/0x200 [ 420.351554] oom_kill_process.cold.27+0x10/0x903 [ 420.356303] ? lock_downgrade+0x900/0x900 [ 420.360448] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.366244] ? oom_evaluate_task+0x540/0x540 [ 420.370648] ? oom_unkillable_task+0x383/0x580 [ 420.375223] ? out_of_memory+0x974/0x1430 [ 420.379366] ? lock_downgrade+0x900/0x900 [ 420.383596] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.389382] ? __cpuset_node_allowed+0x19b/0x660 [ 420.394131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.399658] ? oom_evaluate_task+0x302/0x540 [ 420.404062] out_of_memory+0xa84/0x1430 [ 420.408040] ? oom_killer_disable+0x3a0/0x3a0 [ 420.412528] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 420.417451] ? __mutex_add_waiter+0x2a0/0x2a0 [ 420.421939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.426944] ? find_next_bit+0x104/0x130 [ 420.431000] __alloc_pages_slowpath+0x2318/0x2d80 [ 420.435848] ? warn_alloc+0x120/0x120 [ 420.439642] ? __radix_tree_lookup+0x4c0/0x4c0 [ 420.444222] ? find_get_entry+0x2f2/0xc40 [ 420.448368] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 420.453289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.458815] ? should_fail+0x22d/0xd01 [ 420.462695] ? ___might_sleep+0x1ed/0x300 [ 420.466832] ? lock_release+0x970/0x970 [ 420.470800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.475891] ? debug_smp_processor_id+0x1c/0x20 [ 420.480554] ? __might_sleep+0x95/0x190 [ 420.484522] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 420.489364] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.494379] ? lock_downgrade+0x900/0x900 [ 420.498520] ? ___might_sleep+0x1ed/0x300 [ 420.502653] ? lock_release+0x970/0x970 [ 420.506617] ? arch_local_save_flags+0x40/0x40 [ 420.511190] ? finish_task_switch+0x1f5/0x900 [ 420.515683] ? __might_sleep+0x95/0x190 [ 420.519650] __alloc_pages_nodemask+0xa80/0xde0 [ 420.524312] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.529325] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.535117] ? mark_held_locks+0x130/0x130 [ 420.539343] ? kasan_check_write+0x14/0x20 [ 420.543584] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 420.548251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.553779] ? __do_page_cache_readahead+0x7ce/0x980 [ 420.558881] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 420.564411] alloc_pages_current+0x10c/0x210 [ 420.568808] ? lock_downgrade+0x900/0x900 [ 420.572952] __page_cache_alloc+0x38f/0x5b0 [ 420.577264] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.583051] ? ext4_filemap_fault+0x82/0xad [ 420.587372] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 420.592030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.597560] ? check_preemption_disabled+0x48/0x200 [ 420.602570] filemap_fault+0x1594/0x25f0 [ 420.606627] ? __lock_page_or_retry+0xa00/0xa00 [ 420.611286] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.617080] ? lock_downgrade+0x900/0x900 [ 420.621221] ? trace_hardirqs_on+0xbd/0x310 [ 420.625532] ? kasan_check_read+0x11/0x20 [ 420.629669] ? __free_object+0x173/0x340 [ 420.633727] ? filemap_map_pages+0xdea/0x1980 [ 420.638214] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.643310] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 420.648579] ? debug_object_free+0x325/0x690 [ 420.652980] ? find_get_pages_range_tag+0x1320/0x1320 [ 420.658178] ? do_raw_spin_lock+0xc1/0x200 [ 420.662405] ? kasan_check_read+0x11/0x20 [ 420.666541] ? debug_object_destroy+0x2b0/0x2b0 [ 420.671200] ? kasan_check_write+0x14/0x20 [ 420.675431] ? lock_acquire+0x1ed/0x520 [ 420.679394] ? ext4_filemap_fault+0x7a/0xad [ 420.683708] ? lock_release+0x970/0x970 [ 420.687670] ? arch_local_save_flags+0x40/0x40 [ 420.692247] ? futex_wait_setup+0x3e0/0x3e0 [ 420.696567] ? down_read+0xb0/0x1d0 [ 420.700187] ? ext4_filemap_fault+0x7a/0xad [ 420.704499] ? __down_interruptible+0x700/0x700 [ 420.709170] ext4_filemap_fault+0x82/0xad [ 420.713309] __do_fault+0x100/0x6b0 [ 420.716933] ? print_bad_pte+0x6c0/0x6c0 [ 420.720986] ? do_futex+0x249/0x26d0 [ 420.724692] ? pmd_val+0x88/0x100 [ 420.728138] ? add_mm_counter_fast+0xd0/0xd0 [ 420.732534] ? pmd_val+0x88/0x100 [ 420.735980] ? add_mm_counter_fast+0xd0/0xd0 [ 420.740409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.745939] __handle_mm_fault+0x3709/0x53e0 [ 420.750340] ? perf_trace_lock+0x14d/0x7a0 [ 420.754574] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 420.759414] ? ksys_dup3+0x680/0x680 [ 420.763121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.768648] ? should_fail+0x22d/0xd01 [ 420.772534] ? lock_acquire+0x1ed/0x520 [ 420.776516] ? handle_mm_fault+0x42a/0xc70 [ 420.780739] ? lock_downgrade+0x900/0x900 [ 420.784883] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 420.790668] ? lock_downgrade+0x900/0x900 [ 420.794812] ? __do_page_fault+0x67d/0xed0 [ 420.799038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.804488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.810427] ? check_preemption_disabled+0x48/0x200 [ 420.815438] handle_mm_fault+0x54f/0xc70 [ 420.819492] ? __handle_mm_fault+0x53e0/0x53e0 [ 420.824068] ? find_vma+0x34/0x190 [ 420.827601] __do_page_fault+0x67d/0xed0 [ 420.831655] ? mm_fault_error+0x380/0x380 [ 420.835792] ? trace_hardirqs_off+0xb8/0x310 [ 420.840196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.845555] ? trace_hardirqs_on+0x310/0x310 [ 420.849967] do_page_fault+0xf2/0x7e0 [ 420.853757] ? vmalloc_sync_all+0x30/0x30 [ 420.857896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.863425] ? error_entry+0x70/0xd0 [ 420.867133] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.872141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.877066] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.881989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.886820] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.891839] ? trace_hardirqs_off+0x310/0x310 [ 420.896330] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.901335] ? page_fault+0x8/0x30 [ 420.904868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.909705] ? page_fault+0x8/0x30 [ 420.913233] page_fault+0x1e/0x30 [ 420.916672] RIP: 0033:0x40f9c0 [ 420.919876] Code: Bad RIP value. [ 420.923233] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 420.928586] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 420.935847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 420.943108] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 420.950367] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 420.957624] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 420.964901] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 420.965015] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.972258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.982455] syz-fuzzer cpuset= [ 420.991782] Call Trace: [ 420.991789] / [ 420.994961] [ 420.997526] mems_allowed=0 [ 420.999229] dump_stack+0x1c4/0x2b4 [ 421.007879] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.013064] warn_alloc.cold.119+0xb7/0x1bd [ 421.017376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.022210] ? lock_downgrade+0x900/0x900 [ 421.026354] ? trace_hardirqs_off+0xb8/0x310 [ 421.030755] ? trace_hardirqs_off+0xb8/0x310 [ 421.035157] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.039999] ? debug_object_activate+0x402/0x600 [ 421.044755] ? warn_alloc+0x120/0x120 [ 421.048553] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.053559] ? warn_alloc+0x120/0x120 [ 421.057351] ? get_stack_info+0x37/0x142 [ 421.061403] ? warn_alloc+0x120/0x120 [ 421.065193] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.070207] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 421.074956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.080487] ? should_fail+0x22d/0xd01 [ 421.084367] ? is_bpf_text_address+0xac/0x170 [ 421.088856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.093958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.099486] ? should_fail+0x22d/0xd01 [ 421.103372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.108465] ? should_fail+0x22d/0xd01 [ 421.112344] ? kasan_check_read+0x11/0x20 [ 421.116484] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.121841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.126934] ? unwind_dump+0x190/0x190 [ 421.130816] ? mark_held_locks+0x130/0x130 [ 421.135048] ? mark_held_locks+0x130/0x130 [ 421.139275] ? update_stack_state+0x1a5/0x690 [ 421.143763] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.148773] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 421.153531] ? is_bpf_text_address+0xac/0x170 [ 421.158022] ? lock_downgrade+0x900/0x900 [ 421.162163] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 421.167950] ? kasan_check_read+0x11/0x20 [ 421.172093] __alloc_pages_nodemask+0xa80/0xde0 [ 421.176751] ? should_fail+0x22d/0xd01 [ 421.180643] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.185650] ? is_bpf_text_address+0xd3/0x170 [ 421.190149] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.194807] ? lock_downgrade+0x900/0x900 [ 421.198948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.204476] cache_grow_begin+0x91/0x8c0 [ 421.208528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.212928] fallback_alloc+0x203/0x2e0 [ 421.216898] ____cache_alloc_node+0x1c7/0x1e0 [ 421.221383] kmem_cache_alloc_node+0xe3/0x730 [ 421.225879] __alloc_skb+0x119/0x770 [ 421.229583] ? skb_scrub_packet+0x490/0x490 [ 421.233896] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 421.238471] ? queue_work_on+0x12c/0x1e0 [ 421.242522] ? switchdev_port_obj_del+0xdc/0x450 [ 421.247364] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.252723] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.257734] __br_mdb_notify+0x4ff/0x15d0 [ 421.261876] ? __br_mdb_add+0x800/0x800 [ 421.265839] ? kasan_check_write+0x14/0x20 [ 421.270067] ? do_raw_spin_lock+0xc1/0x200 [ 421.274295] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.279389] ? debug_object_assert_init+0x368/0x4b0 [ 421.284394] ? debug_object_init_on_stack+0x20/0x20 [ 421.289403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.294932] br_mdb_notify+0x310/0x410 [ 421.298812] ? br_mdb_dump+0x2530/0x2530 [ 421.302884] br_multicast_del_pg+0x3df/0x790 [ 421.307287] ? br_mdb_ip_get+0x940/0x940 [ 421.311343] ? kasan_check_write+0x14/0x20 [ 421.315672] ? do_raw_spin_lock+0xc1/0x200 [ 421.319902] br_multicast_port_group_expired+0x189/0x1e0 [ 421.325350] call_timer_fn+0x272/0x920 [ 421.329226] ? br_multicast_del_pg+0x790/0x790 [ 421.333800] ? process_timeout+0x40/0x40 [ 421.337848] ? trace_hardirqs_off+0xb8/0x310 [ 421.342243] ? kasan_check_read+0x11/0x20 [ 421.346380] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.350779] ? trace_hardirqs_on+0x310/0x310 [ 421.355183] ? __run_timers+0x7da/0xc70 [ 421.359151] ? lock_downgrade+0x900/0x900 [ 421.363292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.368388] ? trace_hardirqs_on+0xbd/0x310 [ 421.372697] ? kasan_check_read+0x11/0x20 [ 421.376835] ? __run_timers+0x7da/0xc70 [ 421.380801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.386244] ? kasan_check_write+0x14/0x20 [ 421.390469] ? do_raw_spin_lock+0xc1/0x200 [ 421.394698] ? br_multicast_del_pg+0x790/0x790 [ 421.399272] __run_timers+0x7e5/0xc70 [ 421.403071] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.408426] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.413433] ? timerqueue_add+0x207/0x2b0 [ 421.417573] ? enqueue_hrtimer+0x1a5/0x560 [ 421.421795] ? lock_release+0x970/0x970 [ 421.425766] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.430949] ? kasan_check_write+0x14/0x20 [ 421.435176] ? pvclock_read_flags+0x160/0x160 [ 421.439661] ? lock_downgrade+0x900/0x900 [ 421.443806] ? trace_hardirqs_on+0xbd/0x310 [ 421.448117] ? kvm_sched_clock_read+0x9/0x20 [ 421.452516] ? irq_exit+0x17f/0x1c0 [ 421.456132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.461661] ? check_preemption_disabled+0x48/0x200 [ 421.466670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.472201] run_timer_softirq+0x52/0xb0 [ 421.476255] ? __this_cpu_preempt_check+0x1c/0x1f [ 421.481106] __do_softirq+0x30b/0xad8 [ 421.484901] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.490006] ? pvclock_read_flags+0x160/0x160 [ 421.494493] ? lapic_next_event+0x5a/0x90 [ 421.498633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.504161] ? clockevents_program_event+0x140/0x370 [ 421.509261] ? kvm_clock_read+0x18/0x30 [ 421.513227] ? kvm_sched_clock_read+0x9/0x20 [ 421.517627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.523153] ? check_preemption_disabled+0x48/0x200 [ 421.528166] irq_exit+0x17f/0x1c0 [ 421.531611] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.536443] ? smp_reschedule_interrupt+0x109/0x650 [ 421.541454] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.547326] ? interrupt_entry+0xb5/0xf0 [ 421.551378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.556383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.561389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.566224] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.571232] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.576242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.581770] ? check_preemption_disabled+0x48/0x200 [ 421.586781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.592315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.597155] apic_timer_interrupt+0xf/0x20 [ 421.601374] [ 421.603603] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 421.608923] 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 [ 421.627815] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.635515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 421.642773] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 421.650030] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 421.657303] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 421.664559] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 421.671840] ? trace_hardirqs_on+0xb4/0x310 [ 421.676162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.681696] skb_clone+0x1bb/0x500 [ 421.685228] ? skb_split+0x11e0/0x11e0 [ 421.689125] ? check_preemption_disabled+0x48/0x200 [ 421.694155] ? __this_cpu_preempt_check+0x1c/0x1f [ 421.698996] ? __bpf_redirect+0x54b/0xb20 [ 421.703133] ? __switch_to_asm+0x34/0x70 [ 421.707191] bpf_clone_redirect+0xb9/0x490 [ 421.711422] bpf_prog_466abe619656067b+0x436/0x1000 [ 421.716430] ? __sched_text_start+0x8/0x8 [ 421.720566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.725313] ? retint_kernel+0x2d/0x2d [ 421.729198] ? lock_acquire+0x1ed/0x520 [ 421.733164] ? bpf_test_run+0x32e/0x5a0 [ 421.737131] ? lock_downgrade+0x900/0x900 [ 421.741285] ? lock_release+0x970/0x970 [ 421.745250] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 421.751038] ? preempt_schedule_common+0x1f/0xd0 [ 421.755785] ? preempt_schedule+0x4d/0x60 [ 421.759925] ? ___preempt_schedule+0x16/0x18 [ 421.764325] ? bpf_test_run+0x1c0/0x5a0 [ 421.768291] ? netlink_diag_dump+0x2a0/0x2a0 [ 421.772691] ? bpf_prog_test_run_skb+0x295/0xb40 [ 421.777985] ? bpf_prog_test_run_skb+0x634/0xb40 [ 421.782739] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 421.787571] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.793109] ? fput+0x130/0x1a0 [ 421.796382] ? __bpf_prog_get+0x9b/0x290 [ 421.800433] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 421.805265] ? bpf_prog_test_run+0x130/0x1a0 [ 421.809665] ? __x64_sys_bpf+0x3d8/0x510 [ 421.813724] ? bpf_prog_get+0x20/0x20 [ 421.817525] ? do_syscall_64+0x1b9/0x820 [ 421.822163] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.827522] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.832441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.837275] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.842285] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.847296] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.852309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.857147] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.862507] warn_alloc_show_mem: 1 callbacks suppressed [ 421.862517] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 421.862518] Mem-Info: [ 421.862547] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 421.862547] active_file:98 inactive_file:120 isolated_file:0 [ 421.862547] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.862547] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 421.862547] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 421.862547] free:13602 free_pcp:142 free_cma:0 [ 421.867874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.867881] Call Trace: [ 421.874805] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.877189] [ 421.910128] Node 0 [ 421.919473] dump_stack+0x1c4/0x2b4 [ 421.922047] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.949682] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.951803] lowmem_reserve[]: [ 421.954028] warn_alloc.cold.119+0xb7/0x1bd [ 421.957618] 0 [ 421.983109] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.988278] 2819 [ 421.991371] ? lock_downgrade+0x900/0x900 [ 421.995659] 6323 [ 421.997447] ? trace_hardirqs_off+0xb8/0x310 [ 422.002273] 6323 [ 422.004322] ? trace_hardirqs_off+0xb8/0x310 [ 422.010488] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.014862] Node 0 [ 422.016918] ? debug_object_activate+0x402/0x600 [ 422.021312] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 422.026115] ? warn_alloc+0x120/0x120 [ 422.028321] lowmem_reserve[]: [ 422.033065] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.059663] 0 [ 422.063449] ? warn_alloc+0x120/0x120 [ 422.066520] 0 [ 422.071522] ? get_stack_info+0x37/0x142 [ 422.073297] 3503 [ 422.077079] ? warn_alloc+0x120/0x120 [ 422.078850] 3503 [ 422.082902] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.084943] Node 0 [ 422.088730] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 422.090800] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 422.095779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.097984] lowmem_reserve[]: [ 422.102725] ? should_fail+0x22d/0xd01 [ 422.131144] 0 [ 422.136668] ? is_bpf_text_address+0xac/0x170 [ 422.139742] 0 [ 422.143623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.145395] 0 [ 422.149877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.151646] 0 [ 422.156744] ? should_fail+0x22d/0xd01 [ 422.164036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.165807] Node 0 [ 422.169676] ? should_fail+0x22d/0xd01 [ 422.174748] DMA: [ 422.176973] ? kasan_check_read+0x11/0x20 [ 422.180832] 1*4kB [ 422.182879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.186991] (U) [ 422.189125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.194367] 0*8kB [ 422.196329] ? unwind_dump+0x190/0x190 [ 422.201399] 0*16kB [ 422.203537] ? mark_held_locks+0x130/0x130 [ 422.207393] 1*32kB [ 422.209614] ? mark_held_locks+0x130/0x130 [ 422.213817] (U) [ 422.216036] ? update_stack_state+0x1a5/0x690 [ 422.220239] 2*64kB [ 422.222201] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.226661] (U) [ 422.228884] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 422.233866] 1*128kB [ 422.235842] ? is_bpf_text_address+0xac/0x170 [ 422.240562] (U) [ 422.242870] ? lock_downgrade+0x900/0x900 [ 422.247334] 1*256kB [ 422.249295] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 422.253407] (U) [ 422.255712] ? kasan_check_read+0x11/0x20 [ 422.261480] 0*512kB [ 422.263439] __alloc_pages_nodemask+0xa80/0xde0 [ 422.267552] 1*1024kB [ 422.269858] ? should_fail+0x22d/0xd01 [ 422.274492] (U) [ 422.276888] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.280741] 1*2048kB [ 422.282700] ? is_bpf_text_address+0xd3/0x170 [ 422.287683] (M) [ 422.290087] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.294545] 3*4096kB [ 422.296504] ? lock_downgrade+0x900/0x900 [ 422.301141] (M) [ 422.303539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.307654] = 15908kB [ 422.309615] cache_grow_begin+0x91/0x8c0 [ 422.315134] Node 0 [ 422.317534] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.321561] DMA32: [ 422.323790] fallback_alloc+0x203/0x2e0 [ 422.328165] 5*4kB [ 422.330390] ____cache_alloc_node+0x1c7/0x1e0 [ 422.334332] (UM) [ 422.336471] kmem_cache_alloc_node+0xe3/0x730 [ 422.340935] 0*8kB [ 422.342989] __alloc_skb+0x119/0x770 [ 422.347453] 5*16kB [ 422.349587] ? skb_scrub_packet+0x490/0x490 [ 422.353269] (UMH) [ 422.355492] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 422.359784] 5*32kB [ 422.361929] ? queue_work_on+0x12c/0x1e0 [ 422.366491] (UMH) [ 422.368734] ? switchdev_port_obj_del+0xdc/0x450 [ 422.372766] 7*64kB [ 422.374898] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.379625] (UM) [ 422.381849] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.387180] 4*128kB [ 422.389228] __br_mdb_notify+0x4ff/0x15d0 [ 422.394211] (UM) [ 422.396521] ? __br_mdb_add+0x800/0x800 [ 422.400635] 5*256kB [ 422.402681] ? kasan_check_write+0x14/0x20 [ 422.406621] (UMH) [ 422.408937] ? do_raw_spin_lock+0xc1/0x200 [ 422.413138] 4*512kB [ 422.415275] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.419474] (UM) [ 422.421785] ? debug_object_assert_init+0x368/0x4b0 [ 422.426856] 4*1024kB [ 422.428899] ? debug_object_init_on_stack+0x20/0x20 [ 422.433887] (UMH) [ 422.436298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.441285] 4*2048kB [ 422.443417] br_mdb_notify+0x310/0x410 [ 422.448922] (UM) [ 422.451318] ? br_mdb_dump+0x2530/0x2530 [ 422.455177] 2*4096kB [ 422.457228] br_multicast_del_pg+0x3df/0x790 [ 422.461251] (M) [ 422.463645] ? br_mdb_ip_get+0x940/0x940 [ 422.468028] = 25028kB [ 422.469985] ? kasan_check_write+0x14/0x20 [ 422.474017] Node 0 [ 422.476413] ? do_raw_spin_lock+0xc1/0x200 [ 422.480611] Normal: 809*4kB [ 422.482843] br_multicast_port_group_expired+0x189/0x1e0 [ 422.487044] (UMEH) [ 422.490048] call_timer_fn+0x272/0x920 [ 422.495464] 372*8kB [ 422.497687] ? br_multicast_del_pg+0x790/0x790 [ 422.501541] (UMEH) [ 422.503849] ? process_timeout+0x40/0x40 [ 422.508397] 191*16kB [ 422.510616] ? trace_hardirqs_off+0xb8/0x310 [ 422.514644] (UMEH) [ 422.517039] ? kasan_check_read+0x11/0x20 [ 422.521417] 81*32kB [ 422.523639] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.527757] (UME) [ 422.530066] ? trace_hardirqs_on+0x310/0x310 [ 422.534444] 21*64kB [ 422.536576] ? __run_timers+0x7da/0xc70 [ 422.540953] (UMH) [ 422.543271] ? lock_downgrade+0x900/0x900 [ 422.547211] 3*128kB [ 422.549344] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.553459] (UH) [ 422.555771] ? trace_hardirqs_on+0xbd/0x310 [ 422.560846] 0*256kB [ 422.562904] ? kasan_check_read+0x11/0x20 [ 422.567214] 0*512kB [ 422.569525] ? __run_timers+0x7da/0xc70 [ 422.573637] 0*1024kB [ 422.576048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.580008] 0*2048kB [ 422.582412] ? kasan_check_write+0x14/0x20 [ 422.587827] 0*4096kB = 13588kB [ 422.590229] ? do_raw_spin_lock+0xc1/0x200 [ 422.594438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.597611] ? br_multicast_del_pg+0x790/0x790 [ 422.601817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.610631] __run_timers+0x7e5/0xc70 [ 422.615183] 348 total pagecache pages [ 422.623746] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.627511] 0 pages in swap cache [ 422.631295] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.636630] Swap cache stats: add 0, delete 0, find 0/0 [ 422.640065] ? timerqueue_add+0x207/0x2b0 [ 422.645046] Free swap = 0kB [ 422.645053] Total swap = 0kB [ 422.650413] ? enqueue_hrtimer+0x1a5/0x560 [ 422.654530] 1965979 pages RAM [ 422.657537] ? lock_release+0x970/0x970 [ 422.660525] 0 pages HighMem/MovableOnly [ 422.664742] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.667817] 342307 pages reserved [ 422.671777] ? kasan_check_write+0x14/0x20 [ 422.675728] 0 pages cma reserved [ 422.680907] ? pvclock_read_flags+0x160/0x160 [ 422.684447] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.688548] ? lock_downgrade+0x900/0x900 [ 422.691889] syz-executor3 cpuset= [ 422.696373] ? trace_hardirqs_on+0xbd/0x310 [ 422.706823] syz3 [ 422.710959] ? kvm_sched_clock_read+0x9/0x20 [ 422.714383] mems_allowed=0 [ 422.718687] ? irq_exit+0x17f/0x1c0 [ 422.731539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.737066] ? check_preemption_disabled+0x48/0x200 [ 422.742074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.747610] run_timer_softirq+0x52/0xb0 [ 422.751663] ? __this_cpu_preempt_check+0x1c/0x1f [ 422.756495] __do_softirq+0x30b/0xad8 [ 422.760290] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.765392] ? pvclock_read_flags+0x160/0x160 [ 422.769881] ? lapic_next_event+0x5a/0x90 [ 422.774017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.779543] ? clockevents_program_event+0x140/0x370 [ 422.784639] ? kvm_clock_read+0x18/0x30 [ 422.788604] ? kvm_sched_clock_read+0x9/0x20 [ 422.793004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.798531] ? check_preemption_disabled+0x48/0x200 [ 422.803547] irq_exit+0x17f/0x1c0 [ 422.806989] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.811821] ? smp_reschedule_interrupt+0x109/0x650 [ 422.816829] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.822701] ? interrupt_entry+0xb5/0xf0 [ 422.826751] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.831756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.836763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.841596] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.846601] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.851609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.857141] ? check_preemption_disabled+0x48/0x200 [ 422.862151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.867682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.872523] apic_timer_interrupt+0xf/0x20 [ 422.876744] [ 422.878974] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 422.884155] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 422.903048] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 422.910750] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 422.918007] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 422.925267] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 422.932527] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 422.939785] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 422.947059] ? trace_hardirqs_on+0x9a/0x310 [ 422.951370] ? trace_hardirqs_on+0xb4/0x310 [ 422.955688] retint_kernel+0x1b/0x2d [ 422.959395] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 422.964661] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 422.983551] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 422.991252] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 422.998511] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 423.005768] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 423.013027] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 423.020290] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 423.027560] ? trace_hardirqs_on+0x9a/0x310 [ 423.031878] ? arch_local_irq_restore+0x45/0x52 [ 423.036542] dump_stack+0x26a/0x2b4 [ 423.040281] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.045464] ? mark_held_locks+0x130/0x130 [ 423.049690] ? mark_held_locks+0x130/0x130 [ 423.053918] dump_header+0x27b/0xf72 [ 423.057624] ? rcu_read_unlock+0x16/0x60 [ 423.061679] ? pagefault_out_of_memory+0x197/0x197 [ 423.066599] ? mark_held_locks+0x130/0x130 [ 423.070823] ? percpu_ref_put_many+0x13e/0x260 [ 423.075399] ? mem_cgroup_charge_statistics+0x780/0x780 [ 423.080761] ? mem_cgroup_iter+0x1f7/0x1160 [ 423.085075] ? mark_held_locks+0x130/0x130 [ 423.089318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.094849] ? task_will_free_mem+0x239/0xb30 [ 423.099354] ? ___ratelimit+0x36f/0x655 [ 423.103323] ? lock_downgrade+0x900/0x900 [ 423.107464] ? trace_hardirqs_on+0xbd/0x310 [ 423.111772] ? kasan_check_read+0x11/0x20 [ 423.115909] ? ___ratelimit+0x36f/0x655 [ 423.119874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.125313] ? trace_hardirqs_on+0x310/0x310 [ 423.129714] ? lock_downgrade+0x900/0x900 [ 423.133861] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.138957] ? ___ratelimit+0xaa/0x655 [ 423.142835] ? idr_get_free+0xec0/0xec0 [ 423.146809] ? kasan_check_write+0x14/0x20 [ 423.151037] ? do_raw_spin_lock+0xc1/0x200 [ 423.155265] oom_kill_process.cold.27+0x10/0x903 [ 423.160014] ? lock_downgrade+0x900/0x900 [ 423.164159] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.169952] ? oom_evaluate_task+0x540/0x540 [ 423.174360] ? oom_unkillable_task+0x383/0x580 [ 423.178933] ? out_of_memory+0x974/0x1430 [ 423.183072] ? lock_downgrade+0x900/0x900 [ 423.187217] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.193003] ? __cpuset_node_allowed+0x19b/0x660 [ 423.197755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.203283] ? oom_evaluate_task+0x302/0x540 [ 423.207683] out_of_memory+0xa84/0x1430 [ 423.211662] ? oom_killer_disable+0x3a0/0x3a0 [ 423.216146] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 423.221071] ? __mutex_add_waiter+0x2a0/0x2a0 [ 423.225561] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.230565] ? find_next_bit+0x104/0x130 [ 423.234619] __alloc_pages_slowpath+0x2318/0x2d80 [ 423.239468] ? warn_alloc+0x120/0x120 [ 423.243259] ? __radix_tree_lookup+0x4c0/0x4c0 [ 423.247844] ? find_get_entry+0x2f2/0xc40 [ 423.251993] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 423.256915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.262444] ? should_fail+0x22d/0xd01 [ 423.266322] ? ___might_sleep+0x1ed/0x300 [ 423.270461] ? lock_release+0x970/0x970 [ 423.274437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.279532] ? debug_smp_processor_id+0x1c/0x20 [ 423.284199] ? __might_sleep+0x95/0x190 [ 423.288172] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 423.293009] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.298019] ? lock_downgrade+0x900/0x900 [ 423.302161] ? ___might_sleep+0x1ed/0x300 [ 423.306300] ? lock_release+0x970/0x970 [ 423.310267] ? arch_local_save_flags+0x40/0x40 [ 423.314848] ? finish_task_switch+0x1f5/0x900 [ 423.319342] ? __might_sleep+0x95/0x190 [ 423.323312] __alloc_pages_nodemask+0xa80/0xde0 [ 423.327973] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.332994] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.338792] ? mark_held_locks+0x130/0x130 [ 423.343019] ? kasan_check_write+0x14/0x20 [ 423.347247] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 423.351926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.357454] ? __do_page_cache_readahead+0x7ce/0x980 [ 423.362555] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 423.368090] alloc_pages_current+0x10c/0x210 [ 423.372498] ? lock_downgrade+0x900/0x900 [ 423.376729] __page_cache_alloc+0x38f/0x5b0 [ 423.381067] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.386883] ? ext4_filemap_fault+0x82/0xad [ 423.391195] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 423.395852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.401380] ? check_preemption_disabled+0x48/0x200 [ 423.406388] filemap_fault+0x1594/0x25f0 [ 423.410445] ? __lock_page_or_retry+0xa00/0xa00 [ 423.415103] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.420890] ? lock_downgrade+0x900/0x900 [ 423.425031] ? trace_hardirqs_on+0xbd/0x310 [ 423.429342] ? kasan_check_read+0x11/0x20 [ 423.433480] ? __free_object+0x173/0x340 [ 423.437532] ? filemap_map_pages+0xdea/0x1980 [ 423.442021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.447119] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 423.452381] ? debug_object_free+0x325/0x690 [ 423.456780] ? find_get_pages_range_tag+0x1320/0x1320 [ 423.461964] ? do_raw_spin_lock+0xc1/0x200 [ 423.466192] ? kasan_check_read+0x11/0x20 [ 423.470327] ? debug_object_destroy+0x2b0/0x2b0 [ 423.474987] ? kasan_check_write+0x14/0x20 [ 423.479215] ? lock_acquire+0x1ed/0x520 [ 423.483177] ? ext4_filemap_fault+0x7a/0xad [ 423.487508] ? lock_release+0x970/0x970 [ 423.491472] ? arch_local_save_flags+0x40/0x40 [ 423.496050] ? futex_wait_setup+0x3e0/0x3e0 [ 423.500371] ? down_read+0xb0/0x1d0 [ 423.503989] ? ext4_filemap_fault+0x7a/0xad [ 423.508302] ? __down_interruptible+0x700/0x700 [ 423.512971] ext4_filemap_fault+0x82/0xad [ 423.517109] __do_fault+0x100/0x6b0 [ 423.520729] ? print_bad_pte+0x6c0/0x6c0 [ 423.524778] ? do_futex+0x249/0x26d0 [ 423.528488] ? pmd_val+0x88/0x100 [ 423.531934] ? add_mm_counter_fast+0xd0/0xd0 [ 423.536333] ? pmd_val+0x88/0x100 [ 423.539778] ? add_mm_counter_fast+0xd0/0xd0 [ 423.544185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.549716] __handle_mm_fault+0x3709/0x53e0 [ 423.554114] ? perf_trace_lock+0x14d/0x7a0 [ 423.558343] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 423.563178] ? ksys_dup3+0x680/0x680 [ 423.566897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.572427] ? should_fail+0x22d/0xd01 [ 423.576312] ? lock_acquire+0x1ed/0x520 [ 423.580278] ? handle_mm_fault+0x42a/0xc70 [ 423.584503] ? lock_downgrade+0x900/0x900 [ 423.588648] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.594451] ? lock_downgrade+0x900/0x900 [ 423.598590] ? __do_page_fault+0x67d/0xed0 [ 423.602824] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.608768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.614306] ? check_preemption_disabled+0x48/0x200 [ 423.619318] handle_mm_fault+0x54f/0xc70 [ 423.623370] ? __handle_mm_fault+0x53e0/0x53e0 [ 423.627942] ? find_vma+0x34/0x190 [ 423.631474] __do_page_fault+0x67d/0xed0 [ 423.635532] ? mm_fault_error+0x380/0x380 [ 423.639671] ? trace_hardirqs_off+0xb8/0x310 [ 423.644085] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.649439] ? trace_hardirqs_on+0x310/0x310 [ 423.653838] do_page_fault+0xf2/0x7e0 [ 423.657631] ? vmalloc_sync_all+0x30/0x30 [ 423.661767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.667300] ? error_entry+0x70/0xd0 [ 423.671009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.676018] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.680943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.685866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.690699] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.695704] ? trace_hardirqs_off+0x310/0x310 [ 423.700190] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.705197] ? page_fault+0x8/0x30 [ 423.708729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.713564] ? page_fault+0x8/0x30 [ 423.717095] page_fault+0x1e/0x30 [ 423.720535] RIP: 0033:0x40f9c0 [ 423.723722] Code: Bad RIP value. [ 423.727073] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 423.732426] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 423.739684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 423.746942] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 423.754201] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 423.761460] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 423.768736] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 423.768872] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.776471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.776479] Call Trace: [ 423.786688] syz-fuzzer cpuset= [ 423.796021] [ 423.798580] / [ 423.801764] dump_stack+0x1c4/0x2b4 [ 423.803882] mems_allowed=0 [ 423.805583] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.817273] warn_alloc.cold.119+0xb7/0x1bd [ 423.821587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.826426] ? lock_downgrade+0x900/0x900 [ 423.830571] ? trace_hardirqs_off+0xb8/0x310 [ 423.834973] ? trace_hardirqs_off+0xb8/0x310 [ 423.839376] __alloc_pages_slowpath+0x2667/0x2d80 [ 423.844225] ? warn_alloc+0x120/0x120 [ 423.848024] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.853029] ? warn_alloc+0x120/0x120 [ 423.856825] ? warn_alloc+0x120/0x120 [ 423.860618] ? should_fail+0x22d/0xd01 [ 423.864498] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.869678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.874772] ? should_fail+0x22d/0xd01 [ 423.878660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.884186] ? should_fail+0x22d/0xd01 [ 423.888069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.893161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.898687] ? should_fail+0x22d/0xd01 [ 423.902568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.907677] ? should_fail+0x22d/0xd01 [ 423.911562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.916655] ? mark_held_locks+0x130/0x130 [ 423.920880] ? mark_held_locks+0x130/0x130 [ 423.925107] ? update_stack_state+0x1a5/0x690 [ 423.929593] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.934600] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 423.939365] ? is_bpf_text_address+0xac/0x170 [ 423.943850] ? lock_downgrade+0x900/0x900 [ 423.947996] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 423.953790] ? kasan_check_read+0x11/0x20 [ 423.957934] __alloc_pages_nodemask+0xa80/0xde0 [ 423.962596] ? should_fail+0x22d/0xd01 [ 423.966480] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.971490] ? is_bpf_text_address+0xd3/0x170 [ 423.975992] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.980650] ? lock_downgrade+0x900/0x900 [ 423.984800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.990333] cache_grow_begin+0x91/0x8c0 [ 423.994387] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.998796] fallback_alloc+0x203/0x2e0 [ 424.002772] ____cache_alloc_node+0x1c7/0x1e0 [ 424.007262] kmem_cache_alloc_node+0xe3/0x730 [ 424.011845] __alloc_skb+0x119/0x770 [ 424.015557] ? skb_scrub_packet+0x490/0x490 [ 424.019869] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 424.024535] ? queue_work_on+0x12c/0x1e0 [ 424.028589] ? switchdev_port_obj_del+0xdc/0x450 [ 424.033333] ? switchdev_trans_item_enqueue+0x260/0x260 [ 424.038688] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.043698] __br_mdb_notify+0x4ff/0x15d0 [ 424.047845] ? __br_mdb_add+0x800/0x800 [ 424.051809] ? kasan_check_write+0x14/0x20 [ 424.056033] ? do_raw_spin_lock+0xc1/0x200 [ 424.060261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.065351] ? debug_object_assert_init+0x368/0x4b0 [ 424.070356] ? debug_object_init_on_stack+0x20/0x20 [ 424.075369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.080900] br_mdb_notify+0x310/0x410 [ 424.084787] ? br_mdb_dump+0x2530/0x2530 [ 424.088844] br_multicast_del_pg+0x3df/0x790 [ 424.093245] ? br_mdb_ip_get+0x940/0x940 [ 424.097300] ? kasan_check_write+0x14/0x20 [ 424.101530] ? do_raw_spin_lock+0xc1/0x200 [ 424.105766] br_multicast_port_group_expired+0x189/0x1e0 [ 424.111211] call_timer_fn+0x272/0x920 [ 424.115090] ? br_multicast_del_pg+0x790/0x790 [ 424.119662] ? process_timeout+0x40/0x40 [ 424.123714] ? trace_hardirqs_off+0xb8/0x310 [ 424.128112] ? kasan_check_read+0x11/0x20 [ 424.132250] ? do_raw_spin_unlock+0xa7/0x2f0 [ 424.136651] ? trace_hardirqs_on+0x310/0x310 [ 424.141053] ? __run_timers+0x7da/0xc70 [ 424.145019] ? lock_downgrade+0x900/0x900 [ 424.149160] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.154254] ? trace_hardirqs_on+0xbd/0x310 [ 424.158561] ? kasan_check_read+0x11/0x20 [ 424.162700] ? __run_timers+0x7da/0xc70 [ 424.166667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.172105] ? kasan_check_write+0x14/0x20 [ 424.176330] ? do_raw_spin_lock+0xc1/0x200 [ 424.180562] ? br_multicast_del_pg+0x790/0x790 [ 424.185134] __run_timers+0x7e5/0xc70 [ 424.188933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.194288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.199382] ? timerqueue_add+0x207/0x2b0 [ 424.203524] ? enqueue_hrtimer+0x1a5/0x560 [ 424.207753] ? lock_release+0x970/0x970 [ 424.211718] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.216905] ? kasan_check_write+0x14/0x20 [ 424.221133] ? pvclock_read_flags+0x160/0x160 [ 424.225620] ? lock_downgrade+0x900/0x900 [ 424.229768] ? trace_hardirqs_on+0xbd/0x310 [ 424.234082] ? kvm_sched_clock_read+0x9/0x20 [ 424.238483] ? irq_exit+0x17f/0x1c0 [ 424.242106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.247720] ? check_preemption_disabled+0x48/0x200 [ 424.252732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.258269] run_timer_softirq+0x52/0xb0 [ 424.262322] ? __this_cpu_preempt_check+0x1c/0x1f [ 424.267155] __do_softirq+0x30b/0xad8 [ 424.270967] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.276063] ? pvclock_read_flags+0x160/0x160 [ 424.280545] ? lapic_next_event+0x5a/0x90 [ 424.284683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.290209] ? clockevents_program_event+0x140/0x370 [ 424.295322] ? kvm_clock_read+0x18/0x30 [ 424.299284] ? kvm_sched_clock_read+0x9/0x20 [ 424.303685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.309215] ? check_preemption_disabled+0x48/0x200 [ 424.314227] irq_exit+0x17f/0x1c0 [ 424.317674] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.322510] ? smp_reschedule_interrupt+0x109/0x650 [ 424.327520] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.333391] ? interrupt_entry+0xb5/0xf0 [ 424.337442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.342450] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.347457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.352290] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.357300] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.362307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.367832] ? check_preemption_disabled+0x48/0x200 [ 424.372838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.378373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.383209] apic_timer_interrupt+0xf/0x20 [ 424.387429] [ 424.389657] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.394579] 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 [ 424.413475] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.421179] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 424.428440] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 424.435698] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 424.442964] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 424.450220] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 424.457493] ? trace_hardirqs_on+0xb4/0x310 [ 424.461811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.467342] skb_clone+0x1bb/0x500 [ 424.470875] ? skb_split+0x11e0/0x11e0 [ 424.474755] ? check_preemption_disabled+0x48/0x200 [ 424.479781] ? __this_cpu_preempt_check+0x1c/0x1f [ 424.484621] ? __bpf_redirect+0x54b/0xb20 [ 424.488759] ? __switch_to_asm+0x34/0x70 [ 424.492812] bpf_clone_redirect+0xb9/0x490 [ 424.497042] bpf_prog_466abe619656067b+0x436/0x1000 [ 424.502056] ? __sched_text_start+0x8/0x8 [ 424.506194] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.510946] ? retint_kernel+0x2d/0x2d [ 424.514829] ? lock_acquire+0x1ed/0x520 [ 424.518791] ? bpf_test_run+0x32e/0x5a0 [ 424.522759] ? lock_downgrade+0x900/0x900 [ 424.526897] ? lock_release+0x970/0x970 [ 424.530862] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.536655] ? preempt_schedule_common+0x1f/0xd0 [ 424.541403] ? preempt_schedule+0x4d/0x60 [ 424.545543] ? ___preempt_schedule+0x16/0x18 [ 424.549943] ? bpf_test_run+0x1c0/0x5a0 [ 424.553915] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.558313] ? bpf_prog_test_run_skb+0x295/0xb40 [ 424.563061] ? bpf_prog_test_run_skb+0x634/0xb40 [ 424.567808] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.572642] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.578168] ? fput+0x130/0x1a0 [ 424.581439] ? __bpf_prog_get+0x9b/0x290 [ 424.585493] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.590322] ? bpf_prog_test_run+0x130/0x1a0 [ 424.594727] ? __x64_sys_bpf+0x3d8/0x510 [ 424.598780] ? bpf_prog_get+0x20/0x20 [ 424.602581] ? do_syscall_64+0x1b9/0x820 [ 424.606635] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.611990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.616924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.621778] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.626788] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.631795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.636808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.641645] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.647002] warn_alloc_show_mem: 1 callbacks suppressed [ 424.647011] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 424.647012] Mem-Info: [ 424.647039] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 424.647039] active_file:98 inactive_file:120 isolated_file:0 [ 424.647039] unevictable:0 dirty:0 writeback:0 unstable:0 [ 424.647039] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 424.647039] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 424.647039] free:13602 free_pcp:142 free_cma:0 [ 424.652370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.659291] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 424.661688] Call Trace: [ 424.694634] Node 0 [ 424.703966] [ 424.731634] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 424.734186] dump_stack+0x1c4/0x2b4 [ 424.736391] lowmem_reserve[]: [ 424.738529] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.763994] 0 [ 424.767610] warn_alloc.cold.119+0xb7/0x1bd [ 424.770684] 2819 [ 424.775866] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.777637] 6323 [ 424.781943] ? lock_downgrade+0x900/0x900 [ 424.784063] 6323 [ 424.788889] ? trace_hardirqs_off+0xb8/0x310 [ 424.795050] ? trace_hardirqs_off+0xb8/0x310 [ 424.797085] Node 0 [ 424.801481] __alloc_pages_slowpath+0x2667/0x2d80 [ 424.805881] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 424.808090] ? debug_object_activate+0x402/0x600 [ 424.812893] lowmem_reserve[]: [ 424.839448] ? warn_alloc+0x120/0x120 [ 424.844175] 0 [ 424.847265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.851033] 0 [ 424.852823] ? warn_alloc+0x120/0x120 [ 424.857815] 3503 3503 [ 424.859609] ? get_stack_info+0x37/0x142 [ 424.865860] ? warn_alloc+0x120/0x120 [ 424.869905] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 424.873714] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.873731] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 424.902752] lowmem_reserve[]: 0 [ 424.907761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.912482] 0 [ 424.915746] ? should_fail+0x22d/0xd01 [ 424.921252] 0 [ 424.923043] ? is_bpf_text_address+0xac/0x170 [ 424.926897] 0 [ 424.928695] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.934944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.940009] Node 0 [ 424.945522] ? should_fail+0x22d/0xd01 [ 424.945524] DMA: 1*4kB [ 424.947754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.951609] (U) [ 424.954179] ? should_fail+0x22d/0xd01 [ 424.959250] 0*8kB [ 424.961211] ? kasan_check_read+0x11/0x20 [ 424.965067] 0*16kB [ 424.967205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.971318] 1*32kB [ 424.973539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.978794] (U) [ 424.981014] ? unwind_dump+0x190/0x190 [ 424.986086] 2*64kB [ 424.988048] ? mark_held_locks+0x130/0x130 [ 424.991898] (U) 1*128kB [ 424.994126] ? mark_held_locks+0x130/0x130 [ 424.998329] (U) [ 425.000982] ? update_stack_state+0x1a5/0x690 [ 425.005186] 1*256kB [ 425.007146] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.011607] (U) [ 425.013916] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 425.018902] 0*512kB [ 425.020865] ? is_bpf_text_address+0xac/0x170 [ 425.025591] 1*1024kB [ 425.027911] ? lock_downgrade+0x900/0x900 [ 425.032369] (U) 1*2048kB [ 425.034772] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 425.038890] (M) [ 425.041632] ? kasan_check_read+0x11/0x20 [ 425.047398] 3*4096kB [ 425.049359] __alloc_pages_nodemask+0xa80/0xde0 [ 425.053476] (M) [ 425.055870] ? should_fail+0x22d/0xd01 [ 425.060506] = 15908kB [ 425.062475] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.066328] Node 0 [ 425.068725] ? is_bpf_text_address+0xd3/0x170 [ 425.073707] DMA32: [ 425.075945] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.080397] 5*4kB [ 425.082620] ? lock_downgrade+0x900/0x900 [ 425.087258] (UM) [ 425.089395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.093512] 0*8kB [ 425.095561] cache_grow_begin+0x91/0x8c0 [ 425.101069] 5*16kB [ 425.103204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.107231] (UMH) [ 425.109454] fallback_alloc+0x203/0x2e0 [ 425.113832] 5*32kB [ 425.115967] ____cache_alloc_node+0x1c7/0x1e0 [ 425.119909] (UMH) [ 425.122139] kmem_cache_alloc_node+0xe3/0x730 [ 425.126603] 7*64kB [ 425.128744] __alloc_skb+0x119/0x770 [ 425.133205] (UM) [ 425.135426] ? skb_scrub_packet+0x490/0x490 [ 425.139111] 4*128kB [ 425.141158] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 425.145445] (UM) [ 425.147755] ? queue_work_on+0x12c/0x1e0 [ 425.152307] 5*256kB [ 425.154370] ? switchdev_port_obj_del+0xdc/0x450 [ 425.158397] (UMH) [ 425.160719] ? switchdev_trans_item_enqueue+0x260/0x260 [ 425.165442] 4*512kB [ 425.167584] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.172911] (UM) [ 425.175225] __br_mdb_notify+0x4ff/0x15d0 [ 425.180209] 4*1024kB [ 425.182258] ? __br_mdb_add+0x800/0x800 [ 425.186374] (UMH) [ 425.188781] ? kasan_check_write+0x14/0x20 [ 425.192727] 4*2048kB [ 425.194866] ? do_raw_spin_lock+0xc1/0x200 [ 425.199067] (UM) [ 425.201463] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.205670] 2*4096kB [ 425.207717] ? debug_object_assert_init+0x368/0x4b0 [ 425.212786] (M) [ 425.215180] ? debug_object_init_on_stack+0x20/0x20 [ 425.220164] = 25028kB [ 425.222126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.227110] Node 0 [ 425.229506] br_mdb_notify+0x310/0x410 [ 425.235010] Normal: [ 425.237233] ? br_mdb_dump+0x2530/0x2530 [ 425.241097] 809*4kB [ 425.243411] br_multicast_del_pg+0x3df/0x790 [ 425.247440] (UMEH) [ 425.249748] ? br_mdb_ip_get+0x940/0x940 [ 425.254125] 372*8kB [ 425.256346] ? kasan_check_write+0x14/0x20 [ 425.260375] (UMEH) 191*16kB [ 425.262691] ? do_raw_spin_lock+0xc1/0x200 [ 425.266908] (UMEH) [ 425.269920] br_multicast_port_group_expired+0x189/0x1e0 [ 425.274122] 81*32kB [ 425.276346] call_timer_fn+0x272/0x920 [ 425.281764] (UME) [ 425.284071] ? br_multicast_del_pg+0x790/0x790 [ 425.287930] 21*64kB [ 425.290064] ? process_timeout+0x40/0x40 [ 425.294614] (UMH) [ 425.296926] ? trace_hardirqs_off+0xb8/0x310 [ 425.300955] 3*128kB [ 425.303089] ? kasan_check_read+0x11/0x20 [ 425.307479] (UH) [ 425.309791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.313910] 0*256kB [ 425.315958] ? trace_hardirqs_on+0x310/0x310 [ 425.320334] 0*512kB [ 425.322643] ? __run_timers+0x7da/0xc70 [ 425.327027] 0*1024kB [ 425.329337] ? lock_downgrade+0x900/0x900 [ 425.333282] 0*2048kB [ 425.335683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.339798] 0*4096kB [ 425.342191] ? trace_hardirqs_on+0xbd/0x310 [ 425.347261] = 13588kB [ 425.349661] ? kasan_check_read+0x11/0x20 [ 425.353959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.356349] ? __run_timers+0x7da/0xc70 [ 425.360544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.369357] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.373300] 348 total pagecache pages [ 425.381856] ? kasan_check_write+0x14/0x20 [ 425.387280] 0 pages in swap cache [ 425.391068] ? do_raw_spin_lock+0xc1/0x200 [ 425.395277] Swap cache stats: add 0, delete 0, find 0/0 [ 425.398725] ? br_multicast_del_pg+0x790/0x790 [ 425.402930] Free swap = 0kB [ 425.408276] __run_timers+0x7e5/0xc70 [ 425.412837] Total swap = 0kB [ 425.415847] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.419611] 1965979 pages RAM [ 425.422621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.427955] 0 pages HighMem/MovableOnly [ 425.431045] ? timerqueue_add+0x207/0x2b0 [ 425.436025] 342307 pages reserved [ 425.439997] ? enqueue_hrtimer+0x1a5/0x560 [ 425.444116] 0 pages cma reserved [ 425.447553] ? lock_release+0x970/0x970 [ 425.451872] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.455104] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.459051] syz-executor3 cpuset= [ 425.469519] ? kasan_check_write+0x14/0x20 [ 425.474678] syz3 [ 425.478117] ? pvclock_read_flags+0x160/0x160 [ 425.482320] mems_allowed=0 [ 425.484280] ? lock_downgrade+0x900/0x900 [ 425.495795] ? trace_hardirqs_on+0xbd/0x310 [ 425.500106] ? kvm_sched_clock_read+0x9/0x20 [ 425.504506] ? irq_exit+0x17f/0x1c0 [ 425.508124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.513662] ? check_preemption_disabled+0x48/0x200 [ 425.518669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.524198] run_timer_softirq+0x52/0xb0 [ 425.528251] ? __this_cpu_preempt_check+0x1c/0x1f [ 425.533083] __do_softirq+0x30b/0xad8 [ 425.536882] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.541997] ? pvclock_read_flags+0x160/0x160 [ 425.546481] ? lapic_next_event+0x5a/0x90 [ 425.550621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.556157] ? clockevents_program_event+0x140/0x370 [ 425.561254] ? kvm_clock_read+0x18/0x30 [ 425.565219] ? kvm_sched_clock_read+0x9/0x20 [ 425.569617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.575157] ? check_preemption_disabled+0x48/0x200 [ 425.580170] irq_exit+0x17f/0x1c0 [ 425.583615] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.588457] ? smp_reschedule_interrupt+0x109/0x650 [ 425.593465] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.599340] ? interrupt_entry+0xb5/0xf0 [ 425.603400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.608912] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.613927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.618759] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.623765] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.628775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.634307] ? check_preemption_disabled+0x48/0x200 [ 425.639328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.644860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.649703] apic_timer_interrupt+0xf/0x20 [ 425.653923] [ 425.656155] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 425.661338] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 425.680226] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 425.687929] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 425.695187] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 425.702446] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 425.709705] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 425.716963] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 425.724237] ? trace_hardirqs_on+0x9a/0x310 [ 425.728549] ? trace_hardirqs_on+0xb4/0x310 [ 425.732865] retint_kernel+0x1b/0x2d [ 425.736575] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 425.741844] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 425.760740] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 425.768436] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 425.775993] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 425.783250] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 425.790510] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 425.797771] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 425.805050] ? trace_hardirqs_on+0x9a/0x310 [ 425.809367] ? arch_local_irq_restore+0x45/0x52 [ 425.814034] dump_stack+0x26a/0x2b4 [ 425.817658] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.822843] ? mark_held_locks+0x130/0x130 [ 425.827072] ? mark_held_locks+0x130/0x130 [ 425.831299] dump_header+0x27b/0xf72 [ 425.835009] ? rcu_read_unlock+0x16/0x60 [ 425.839063] ? pagefault_out_of_memory+0x197/0x197 [ 425.844064] ? mark_held_locks+0x130/0x130 [ 425.848291] ? percpu_ref_put_many+0x13e/0x260 [ 425.852866] ? mem_cgroup_charge_statistics+0x780/0x780 [ 425.858226] ? mem_cgroup_iter+0x1f7/0x1160 [ 425.862537] ? mark_held_locks+0x130/0x130 [ 425.866768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.872294] ? task_will_free_mem+0x239/0xb30 [ 425.876790] ? ___ratelimit+0x36f/0x655 [ 425.880756] ? lock_downgrade+0x900/0x900 [ 425.884899] ? trace_hardirqs_on+0xbd/0x310 [ 425.889211] ? kasan_check_read+0x11/0x20 [ 425.893349] ? ___ratelimit+0x36f/0x655 [ 425.897314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.902754] ? trace_hardirqs_on+0x310/0x310 [ 425.907152] ? lock_downgrade+0x900/0x900 [ 425.911293] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.916390] ? ___ratelimit+0xaa/0x655 [ 425.920271] ? idr_get_free+0xec0/0xec0 [ 425.924232] ? kasan_check_write+0x14/0x20 [ 425.928459] ? do_raw_spin_lock+0xc1/0x200 [ 425.932691] oom_kill_process.cold.27+0x10/0x903 [ 425.937439] ? lock_downgrade+0x900/0x900 [ 425.941586] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 425.947385] ? oom_evaluate_task+0x540/0x540 [ 425.951787] ? oom_unkillable_task+0x383/0x580 [ 425.956359] ? out_of_memory+0x974/0x1430 [ 425.960501] ? lock_downgrade+0x900/0x900 [ 425.964646] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 425.970437] ? __cpuset_node_allowed+0x19b/0x660 [ 425.975187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.980712] ? oom_evaluate_task+0x302/0x540 [ 425.985113] out_of_memory+0xa84/0x1430 [ 425.989083] ? oom_killer_disable+0x3a0/0x3a0 [ 425.993568] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 425.998498] ? __mutex_add_waiter+0x2a0/0x2a0 [ 426.002985] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.007992] ? find_next_bit+0x104/0x130 [ 426.012047] __alloc_pages_slowpath+0x2318/0x2d80 [ 426.016895] ? warn_alloc+0x120/0x120 [ 426.020683] ? __radix_tree_lookup+0x4c0/0x4c0 [ 426.025261] ? find_get_entry+0x2f2/0xc40 [ 426.029406] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 426.034326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.039857] ? should_fail+0x22d/0xd01 [ 426.043733] ? ___might_sleep+0x1ed/0x300 [ 426.047871] ? lock_release+0x970/0x970 [ 426.051836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.056936] ? debug_smp_processor_id+0x1c/0x20 [ 426.061605] ? __might_sleep+0x95/0x190 [ 426.065571] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 426.070412] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.075428] ? lock_downgrade+0x900/0x900 [ 426.079568] ? ___might_sleep+0x1ed/0x300 [ 426.083711] ? lock_release+0x970/0x970 [ 426.087674] ? arch_local_save_flags+0x40/0x40 [ 426.092249] ? finish_task_switch+0x1f5/0x900 [ 426.096738] ? __might_sleep+0x95/0x190 [ 426.100703] __alloc_pages_nodemask+0xa80/0xde0 [ 426.105364] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.110376] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.116163] ? mark_held_locks+0x130/0x130 [ 426.120390] ? kasan_check_write+0x14/0x20 [ 426.124615] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 426.129279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.134808] ? __do_page_cache_readahead+0x7ce/0x980 [ 426.139911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 426.145441] alloc_pages_current+0x10c/0x210 [ 426.149841] ? lock_downgrade+0x900/0x900 [ 426.153983] __page_cache_alloc+0x38f/0x5b0 [ 426.158295] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.164084] ? ext4_filemap_fault+0x82/0xad [ 426.168403] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 426.173064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.178596] ? check_preemption_disabled+0x48/0x200 [ 426.183606] filemap_fault+0x1594/0x25f0 [ 426.187667] ? __lock_page_or_retry+0xa00/0xa00 [ 426.192326] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.198112] ? lock_downgrade+0x900/0x900 [ 426.202255] ? trace_hardirqs_on+0xbd/0x310 [ 426.206564] ? kasan_check_read+0x11/0x20 [ 426.210710] ? __free_object+0x173/0x340 [ 426.214767] ? filemap_map_pages+0xdea/0x1980 [ 426.219257] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.224354] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 426.229618] ? debug_object_free+0x325/0x690 [ 426.234021] ? find_get_pages_range_tag+0x1320/0x1320 [ 426.239203] ? do_raw_spin_lock+0xc1/0x200 [ 426.243429] ? kasan_check_read+0x11/0x20 [ 426.247575] ? debug_object_destroy+0x2b0/0x2b0 [ 426.252234] ? kasan_check_write+0x14/0x20 [ 426.256463] ? lock_acquire+0x1ed/0x520 [ 426.260428] ? ext4_filemap_fault+0x7a/0xad [ 426.264744] ? lock_release+0x970/0x970 [ 426.268708] ? arch_local_save_flags+0x40/0x40 [ 426.273282] ? futex_wait_setup+0x3e0/0x3e0 [ 426.277691] ? down_read+0xb0/0x1d0 [ 426.281311] ? ext4_filemap_fault+0x7a/0xad [ 426.285626] ? __down_interruptible+0x700/0x700 [ 426.290294] ext4_filemap_fault+0x82/0xad [ 426.294522] __do_fault+0x100/0x6b0 [ 426.298139] ? print_bad_pte+0x6c0/0x6c0 [ 426.302204] ? do_futex+0x249/0x26d0 [ 426.305924] ? pmd_val+0x88/0x100 [ 426.309369] ? add_mm_counter_fast+0xd0/0xd0 [ 426.313784] ? pmd_val+0x88/0x100 [ 426.317228] ? add_mm_counter_fast+0xd0/0xd0 [ 426.321628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.327158] __handle_mm_fault+0x3709/0x53e0 [ 426.331562] ? perf_trace_lock+0x14d/0x7a0 [ 426.335794] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 426.340650] ? ksys_dup3+0x680/0x680 [ 426.344357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.349882] ? should_fail+0x22d/0xd01 [ 426.353766] ? lock_acquire+0x1ed/0x520 [ 426.357732] ? handle_mm_fault+0x42a/0xc70 [ 426.361960] ? lock_downgrade+0x900/0x900 [ 426.366104] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.371894] ? lock_downgrade+0x900/0x900 [ 426.376032] ? __do_page_fault+0x67d/0xed0 [ 426.380257] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.385696] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.391229] ? check_preemption_disabled+0x48/0x200 [ 426.396238] handle_mm_fault+0x54f/0xc70 [ 426.400291] ? __handle_mm_fault+0x53e0/0x53e0 [ 426.404863] ? find_vma+0x34/0x190 [ 426.408396] __do_page_fault+0x67d/0xed0 [ 426.412455] ? mm_fault_error+0x380/0x380 [ 426.416603] ? trace_hardirqs_off+0xb8/0x310 [ 426.421002] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.426355] ? trace_hardirqs_on+0x310/0x310 [ 426.430759] do_page_fault+0xf2/0x7e0 [ 426.434557] ? vmalloc_sync_all+0x30/0x30 [ 426.438718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.444244] ? error_entry+0x70/0xd0 [ 426.447947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.452951] ? trace_hardirqs_on_caller+0xc0/0x310 [ 426.457870] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.462790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.467634] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.472641] ? trace_hardirqs_off+0x310/0x310 [ 426.477130] ? prepare_exit_to_usermode+0x291/0x3b0 [ 426.482134] ? page_fault+0x8/0x30 [ 426.485668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.490500] ? page_fault+0x8/0x30 [ 426.494033] page_fault+0x1e/0x30 [ 426.497473] RIP: 0033:0x40f9c0 [ 426.500662] Code: Bad RIP value. [ 426.504013] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 426.509365] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 426.516622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 426.523881] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 426.531138] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 426.538396] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 426.545669] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 426.545813] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.552946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.563144] syz-fuzzer cpuset= [ 426.572475] Call Trace: [ 426.572482] / [ 426.575650] [ 426.578214] mems_allowed=0 [ 426.579913] dump_stack+0x1c4/0x2b4 [ 426.588564] ? dump_stack_print_info.cold.2+0x52/0x52 [ 426.593749] warn_alloc.cold.119+0xb7/0x1bd [ 426.598064] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.602900] ? lock_downgrade+0x900/0x900 [ 426.607048] ? trace_hardirqs_off+0xb8/0x310 [ 426.611450] ? trace_hardirqs_off+0xb8/0x310 [ 426.615857] __alloc_pages_slowpath+0x2667/0x2d80 [ 426.620708] ? warn_alloc+0x120/0x120 [ 426.624501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.629517] ? warn_alloc+0x120/0x120 [ 426.633321] ? warn_alloc+0x120/0x120 [ 426.637112] ? should_fail+0x22d/0xd01 [ 426.640993] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.646178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.651274] ? should_fail+0x22d/0xd01 [ 426.655156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.660685] ? should_fail+0x22d/0xd01 [ 426.664564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.669655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.675181] ? should_fail+0x22d/0xd01 [ 426.679060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.684153] ? should_fail+0x22d/0xd01 [ 426.688032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.693127] ? mark_held_locks+0x130/0x130 [ 426.697354] ? mark_held_locks+0x130/0x130 [ 426.701579] ? update_stack_state+0x1a5/0x690 [ 426.706064] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.711071] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 426.715826] ? is_bpf_text_address+0xac/0x170 [ 426.720315] ? lock_downgrade+0x900/0x900 [ 426.724461] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 426.730248] ? kasan_check_read+0x11/0x20 [ 426.734391] __alloc_pages_nodemask+0xa80/0xde0 [ 426.739048] ? should_fail+0x22d/0xd01 [ 426.742932] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.747940] ? is_bpf_text_address+0xd3/0x170 [ 426.752439] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.757101] ? lock_downgrade+0x900/0x900 [ 426.761244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.766776] cache_grow_begin+0x91/0x8c0 [ 426.770831] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.775676] fallback_alloc+0x203/0x2e0 [ 426.779644] ____cache_alloc_node+0x1c7/0x1e0 [ 426.784141] kmem_cache_alloc_node+0xe3/0x730 [ 426.788633] __alloc_skb+0x119/0x770 [ 426.792338] ? skb_scrub_packet+0x490/0x490 [ 426.796649] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.801224] ? queue_work_on+0x12c/0x1e0 [ 426.805290] ? switchdev_port_obj_del+0xdc/0x450 [ 426.810045] ? switchdev_trans_item_enqueue+0x260/0x260 [ 426.815399] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.820410] __br_mdb_notify+0x4ff/0x15d0 [ 426.824553] ? __br_mdb_add+0x800/0x800 [ 426.828525] ? kasan_check_write+0x14/0x20 [ 426.832753] ? do_raw_spin_lock+0xc1/0x200 [ 426.836980] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.842073] ? debug_object_assert_init+0x368/0x4b0 [ 426.847081] ? debug_object_init_on_stack+0x20/0x20 [ 426.852104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.857635] br_mdb_notify+0x310/0x410 [ 426.861523] ? br_mdb_dump+0x2530/0x2530 [ 426.865585] br_multicast_del_pg+0x3df/0x790 [ 426.869997] ? br_mdb_ip_get+0x940/0x940 [ 426.874049] ? kasan_check_write+0x14/0x20 [ 426.878278] ? do_raw_spin_lock+0xc1/0x200 [ 426.882505] br_multicast_port_group_expired+0x189/0x1e0 [ 426.887955] call_timer_fn+0x272/0x920 [ 426.891830] ? br_multicast_del_pg+0x790/0x790 [ 426.896404] ? process_timeout+0x40/0x40 [ 426.900457] ? trace_hardirqs_off+0xb8/0x310 [ 426.904854] ? kasan_check_read+0x11/0x20 [ 426.908992] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.913390] ? trace_hardirqs_on+0x310/0x310 [ 426.917792] ? __run_timers+0x7da/0xc70 [ 426.921757] ? lock_downgrade+0x900/0x900 [ 426.925898] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.930991] ? trace_hardirqs_on+0xbd/0x310 [ 426.935313] ? kasan_check_read+0x11/0x20 [ 426.939450] ? __run_timers+0x7da/0xc70 [ 426.943415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.948854] ? kasan_check_write+0x14/0x20 [ 426.953079] ? do_raw_spin_lock+0xc1/0x200 [ 426.957552] ? br_multicast_del_pg+0x790/0x790 [ 426.962127] __run_timers+0x7e5/0xc70 [ 426.965927] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.971285] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.976293] ? timerqueue_add+0x207/0x2b0 [ 426.980432] ? enqueue_hrtimer+0x1a5/0x560 [ 426.984657] ? lock_release+0x970/0x970 [ 426.988619] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.993803] ? kasan_check_write+0x14/0x20 [ 426.998033] ? pvclock_read_flags+0x160/0x160 [ 427.002523] ? lock_downgrade+0x900/0x900 [ 427.006666] ? trace_hardirqs_on+0xbd/0x310 [ 427.010978] ? kvm_sched_clock_read+0x9/0x20 [ 427.015393] ? irq_exit+0x17f/0x1c0 [ 427.019011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.024540] ? check_preemption_disabled+0x48/0x200 [ 427.029543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.035073] run_timer_softirq+0x52/0xb0 [ 427.039128] ? __this_cpu_preempt_check+0x1c/0x1f [ 427.043964] __do_softirq+0x30b/0xad8 [ 427.047761] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 427.052855] ? pvclock_read_flags+0x160/0x160 [ 427.057337] ? lapic_next_event+0x5a/0x90 [ 427.061475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.067006] ? clockevents_program_event+0x140/0x370 [ 427.072103] ? kvm_clock_read+0x18/0x30 [ 427.076070] ? kvm_sched_clock_read+0x9/0x20 [ 427.080473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.086006] ? check_preemption_disabled+0x48/0x200 [ 427.091019] irq_exit+0x17f/0x1c0 [ 427.094462] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.099303] ? smp_reschedule_interrupt+0x109/0x650 [ 427.104308] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.110193] ? interrupt_entry+0xb5/0xf0 [ 427.114251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.119261] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.124275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.129109] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.134115] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.139120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.144647] ? check_preemption_disabled+0x48/0x200 [ 427.149650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.155182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.160020] apic_timer_interrupt+0xf/0x20 [ 427.164244] [ 427.166474] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 427.171406] 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 [ 427.190326] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 427.198025] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 427.205282] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 427.212539] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 427.219800] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 427.227058] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 427.234327] ? trace_hardirqs_on+0xb4/0x310 [ 427.238747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.244281] skb_clone+0x1bb/0x500 [ 427.247825] ? skb_split+0x11e0/0x11e0 [ 427.251712] ? check_preemption_disabled+0x48/0x200 [ 427.256721] ? __this_cpu_preempt_check+0x1c/0x1f [ 427.261554] ? __bpf_redirect+0x54b/0xb20 [ 427.265688] ? __switch_to_asm+0x34/0x70 [ 427.269741] bpf_clone_redirect+0xb9/0x490 [ 427.273971] bpf_prog_466abe619656067b+0x436/0x1000 [ 427.278981] ? __sched_text_start+0x8/0x8 [ 427.283121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.287869] ? retint_kernel+0x2d/0x2d [ 427.291751] ? lock_acquire+0x1ed/0x520 [ 427.295716] ? bpf_test_run+0x32e/0x5a0 [ 427.299680] ? lock_downgrade+0x900/0x900 [ 427.303823] ? lock_release+0x970/0x970 [ 427.307791] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.313584] ? preempt_schedule_common+0x1f/0xd0 [ 427.318332] ? preempt_schedule+0x4d/0x60 [ 427.322479] ? ___preempt_schedule+0x16/0x18 [ 427.326880] ? bpf_test_run+0x1c0/0x5a0 [ 427.330850] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.335252] ? bpf_prog_test_run_skb+0x295/0xb40 [ 427.340002] ? bpf_prog_test_run_skb+0x634/0xb40 [ 427.344751] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.349595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.355126] ? fput+0x130/0x1a0 [ 427.358397] ? __bpf_prog_get+0x9b/0x290 [ 427.362449] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.367289] ? bpf_prog_test_run+0x130/0x1a0 [ 427.371692] ? __x64_sys_bpf+0x3d8/0x510 [ 427.375740] ? bpf_prog_get+0x20/0x20 [ 427.379543] ? do_syscall_64+0x1b9/0x820 [ 427.383593] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.388949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.393868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.398706] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.403716] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.408729] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.413740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.418576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.423938] warn_alloc_show_mem: 1 callbacks suppressed [ 427.423948] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 427.423950] Mem-Info: [ 427.423978] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 427.423978] active_file:98 inactive_file:120 isolated_file:0 [ 427.423978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.423978] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 427.423978] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 427.423978] free:13602 free_pcp:142 free_cma:0 [ 427.429312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.436236] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.438617] Call Trace: [ 427.471654] Node 0 [ 427.480987] [ 427.508669] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.511226] dump_stack+0x1c4/0x2b4 [ 427.513431] lowmem_reserve[]: [ 427.515576] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.541127] 0 2819 [ 427.544754] warn_alloc.cold.119+0xb7/0x1bd [ 427.547823] 6323 [ 427.552995] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.555201] 6323 [ 427.559509] ? lock_downgrade+0x900/0x900 [ 427.566366] ? trace_hardirqs_off+0xb8/0x310 [ 427.568398] Node 0 [ 427.572529] ? trace_hardirqs_off+0xb8/0x310 [ 427.576931] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 427.579134] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.583510] lowmem_reserve[]: [ 427.610570] ? debug_object_activate+0x402/0x600 [ 427.615375] 0 [ 427.618472] ? warn_alloc+0x120/0x120 [ 427.623196] 0 [ 427.624990] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.628776] 3503 [ 427.630564] ? warn_alloc+0x120/0x120 [ 427.635550] 3503 [ 427.637601] ? get_stack_info+0x37/0x142 [ 427.643418] ? warn_alloc+0x120/0x120 [ 427.647453] Node 0 [ 427.651236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.651259] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 427.651264] lowmem_reserve[]: [ 427.653491] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 427.658493] 0 [ 427.686930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.690003] 0 [ 427.694741] ? should_fail+0x22d/0xd01 [ 427.696510] 0 [ 427.702033] ? is_bpf_text_address+0xac/0x170 [ 427.703802] 0 [ 427.707673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.713929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.715707] Node 0 [ 427.720794] ? should_fail+0x22d/0xd01 [ 427.726302] DMA: [ 427.728530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.732384] 1*4kB [ 427.734453] ? should_fail+0x22d/0xd01 [ 427.739521] (U) [ 427.741658] ? kasan_check_read+0x11/0x20 [ 427.745513] 0*8kB [ 427.747474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.751587] 0*16kB [ 427.753739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.758984] 1*32kB [ 427.761226] ? unwind_dump+0x190/0x190 [ 427.766303] (U) [ 427.768526] ? mark_held_locks+0x130/0x130 [ 427.772470] 2*64kB [ 427.774437] ? mark_held_locks+0x130/0x130 [ 427.779159] (U) 1*128kB [ 427.781405] ? update_stack_state+0x1a5/0x690 [ 427.785602] (U) [ 427.788260] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.792723] 1*256kB [ 427.794687] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 427.799666] (U) [ 427.801985] ? is_bpf_text_address+0xac/0x170 [ 427.806703] 0*512kB 1*1024kB [ 427.808671] ? lock_downgrade+0x900/0x900 [ 427.813134] (U) [ 427.816229] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.820340] 1*2048kB (M) [ 427.822308] ? kasan_check_read+0x11/0x20 [ 427.828086] 3*4096kB [ 427.830845] __alloc_pages_nodemask+0xa80/0xde0 [ 427.834957] (M) [ 427.837352] ? should_fail+0x22d/0xd01 [ 427.841990] = 15908kB [ 427.843954] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.847809] Node 0 [ 427.850207] ? is_bpf_text_address+0xd3/0x170 [ 427.855191] DMA32: [ 427.857445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.861897] 5*4kB [ 427.864115] ? lock_downgrade+0x900/0x900 [ 427.868752] (UM) [ 427.870887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.875004] 0*8kB [ 427.877052] cache_grow_begin+0x91/0x8c0 [ 427.882573] 5*16kB [ 427.884882] ? do_raw_spin_unlock+0xa7/0x2f0 [ 427.888910] (UMH) [ 427.891132] fallback_alloc+0x203/0x2e0 [ 427.895510] 5*32kB [ 427.897660] ____cache_alloc_node+0x1c7/0x1e0 [ 427.901603] (UMH) [ 427.903825] kmem_cache_alloc_node+0xe3/0x730 [ 427.908288] 7*64kB [ 427.910433] __alloc_skb+0x119/0x770 [ 427.914889] (UM) [ 427.917109] ? skb_scrub_packet+0x490/0x490 [ 427.920795] 4*128kB [ 427.922844] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 427.927132] (UM) [ 427.929450] ? queue_work_on+0x12c/0x1e0 [ 427.934011] 5*256kB [ 427.936061] ? switchdev_port_obj_del+0xdc/0x450 [ 427.940090] (UMH) [ 427.942402] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.947129] 4*512kB [ 427.949264] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.954595] (UM) [ 427.956903] __br_mdb_notify+0x4ff/0x15d0 [ 427.961889] 4*1024kB [ 427.963942] ? __br_mdb_add+0x800/0x800 [ 427.968056] (UMH) [ 427.970453] ? kasan_check_write+0x14/0x20 [ 427.974397] 4*2048kB [ 427.976539] ? do_raw_spin_lock+0xc1/0x200 [ 427.980742] (UM) [ 427.983158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.987363] 2*4096kB [ 427.989415] ? debug_object_assert_init+0x368/0x4b0 [ 427.994480] (M) = 25028kB [ 427.996884] ? debug_object_init_on_stack+0x20/0x20 [ 428.001867] Node 0 [ 428.004615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.009595] Normal: 809*4kB [ 428.011825] br_mdb_notify+0x310/0x410 [ 428.017332] (UMEH) [ 428.020337] ? br_mdb_dump+0x2530/0x2530 [ 428.024194] 372*8kB [ 428.026428] br_multicast_del_pg+0x3df/0x790 [ 428.030455] (UMEH) [ 428.032762] ? br_mdb_ip_get+0x940/0x940 [ 428.037139] 191*16kB [ 428.039361] ? kasan_check_write+0x14/0x20 [ 428.043389] (UMEH) [ 428.045791] ? do_raw_spin_lock+0xc1/0x200 [ 428.049993] 81*32kB [ 428.052215] br_multicast_port_group_expired+0x189/0x1e0 [ 428.056424] (UME) [ 428.058734] call_timer_fn+0x272/0x920 [ 428.064148] 21*64kB (UMH) [ 428.066289] ? br_multicast_del_pg+0x790/0x790 [ 428.070141] 3*128kB (UH) [ 428.072979] ? process_timeout+0x40/0x40 [ 428.077529] 0*256kB [ 428.080272] ? trace_hardirqs_off+0xb8/0x310 [ 428.084313] 0*512kB [ 428.086620] ? kasan_check_read+0x11/0x20 [ 428.091001] 0*1024kB [ 428.093308] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.097431] 0*2048kB [ 428.099838] ? trace_hardirqs_on+0x310/0x310 [ 428.104315] 0*4096kB [ 428.106713] ? __run_timers+0x7da/0xc70 [ 428.111104] = 13588kB [ 428.113499] ? lock_downgrade+0x900/0x900 [ 428.117447] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.119838] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.123959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.132775] ? trace_hardirqs_on+0xbd/0x310 [ 428.137847] 348 total pagecache pages [ 428.146410] ? kasan_check_read+0x11/0x20 [ 428.150703] 0 pages in swap cache [ 428.154486] ? __run_timers+0x7da/0xc70 [ 428.158604] Swap cache stats: add 0, delete 0, find 0/0 [ 428.162040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.165985] Free swap = 0kB [ 428.171329] ? kasan_check_write+0x14/0x20 [ 428.176751] Total swap = 0kB [ 428.179758] ? do_raw_spin_lock+0xc1/0x200 [ 428.183961] 1965979 pages RAM [ 428.186967] ? br_multicast_del_pg+0x790/0x790 [ 428.191175] 0 pages HighMem/MovableOnly [ 428.194263] __run_timers+0x7e5/0xc70 [ 428.198812] 342307 pages reserved [ 428.202776] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.206544] 0 pages cma reserved [ 428.209979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.215439] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.218664] ? timerqueue_add+0x207/0x2b0 [ 428.223646] syz-executor3 cpuset= [ 428.234119] ? enqueue_hrtimer+0x1a5/0x560 [ 428.238238] syz3 [ 428.241675] ? lock_release+0x970/0x970 [ 428.245879] mems_allowed=0 [ 428.247837] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.259871] ? kasan_check_write+0x14/0x20 [ 428.264103] ? pvclock_read_flags+0x160/0x160 [ 428.268588] ? lock_downgrade+0x900/0x900 [ 428.272735] ? trace_hardirqs_on+0xbd/0x310 [ 428.277046] ? kvm_sched_clock_read+0x9/0x20 [ 428.281447] ? irq_exit+0x17f/0x1c0 [ 428.285070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.290602] ? check_preemption_disabled+0x48/0x200 [ 428.295609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.301141] run_timer_softirq+0x52/0xb0 [ 428.305195] ? __this_cpu_preempt_check+0x1c/0x1f [ 428.310032] __do_softirq+0x30b/0xad8 [ 428.313830] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.318924] ? pvclock_read_flags+0x160/0x160 [ 428.323410] ? lapic_next_event+0x5a/0x90 [ 428.327567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.333094] ? clockevents_program_event+0x140/0x370 [ 428.338190] ? kvm_clock_read+0x18/0x30 [ 428.342157] ? kvm_sched_clock_read+0x9/0x20 [ 428.346581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.352111] ? check_preemption_disabled+0x48/0x200 [ 428.357127] irq_exit+0x17f/0x1c0 [ 428.360576] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.365409] ? smp_reschedule_interrupt+0x109/0x650 [ 428.370416] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.376288] ? interrupt_entry+0xb5/0xf0 [ 428.380341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.385349] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.390360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.395201] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.400210] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.405233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.410764] ? check_preemption_disabled+0x48/0x200 [ 428.415771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.421301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.426139] apic_timer_interrupt+0xf/0x20 [ 428.430360] [ 428.432599] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 428.437779] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 428.456670] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.464376] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 428.471638] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 428.478899] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 428.486155] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 428.493415] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 428.500685] ? trace_hardirqs_on+0x9a/0x310 [ 428.504995] ? trace_hardirqs_on+0xb4/0x310 [ 428.509313] retint_kernel+0x1b/0x2d [ 428.513022] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 428.518289] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 428.537265] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 428.544964] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 428.552237] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 428.559499] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 428.566757] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 428.574017] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 428.581287] ? trace_hardirqs_on+0x9a/0x310 [ 428.585599] ? arch_local_irq_restore+0x45/0x52 [ 428.590267] dump_stack+0x26a/0x2b4 [ 428.593884] ? dump_stack_print_info.cold.2+0x52/0x52 [ 428.599064] ? mark_held_locks+0x130/0x130 [ 428.603289] ? mark_held_locks+0x130/0x130 [ 428.607748] dump_header+0x27b/0xf72 [ 428.611453] ? rcu_read_unlock+0x16/0x60 [ 428.615521] ? pagefault_out_of_memory+0x197/0x197 [ 428.620442] ? mark_held_locks+0x130/0x130 [ 428.624670] ? percpu_ref_put_many+0x13e/0x260 [ 428.629246] ? mem_cgroup_charge_statistics+0x780/0x780 [ 428.634607] ? mem_cgroup_iter+0x1f7/0x1160 [ 428.638924] ? mark_held_locks+0x130/0x130 [ 428.643154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.648682] ? task_will_free_mem+0x239/0xb30 [ 428.653176] ? ___ratelimit+0x36f/0x655 [ 428.657140] ? lock_downgrade+0x900/0x900 [ 428.661284] ? trace_hardirqs_on+0xbd/0x310 [ 428.665596] ? kasan_check_read+0x11/0x20 [ 428.669737] ? ___ratelimit+0x36f/0x655 [ 428.673700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.679136] ? trace_hardirqs_on+0x310/0x310 [ 428.683547] ? lock_downgrade+0x900/0x900 [ 428.687687] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.692775] ? ___ratelimit+0xaa/0x655 [ 428.696652] ? idr_get_free+0xec0/0xec0 [ 428.700622] ? kasan_check_write+0x14/0x20 [ 428.704848] ? do_raw_spin_lock+0xc1/0x200 [ 428.709078] oom_kill_process.cold.27+0x10/0x903 [ 428.713825] ? lock_downgrade+0x900/0x900 [ 428.717967] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.723754] ? oom_evaluate_task+0x540/0x540 [ 428.728155] ? oom_unkillable_task+0x383/0x580 [ 428.732742] ? out_of_memory+0x974/0x1430 [ 428.736879] ? lock_downgrade+0x900/0x900 [ 428.741024] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.746811] ? __cpuset_node_allowed+0x19b/0x660 [ 428.751561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.757085] ? oom_evaluate_task+0x302/0x540 [ 428.761491] out_of_memory+0xa84/0x1430 [ 428.765462] ? oom_killer_disable+0x3a0/0x3a0 [ 428.769951] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 428.774875] ? __mutex_add_waiter+0x2a0/0x2a0 [ 428.779366] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.784373] ? find_next_bit+0x104/0x130 [ 428.788428] __alloc_pages_slowpath+0x2318/0x2d80 [ 428.793276] ? warn_alloc+0x120/0x120 [ 428.797068] ? __radix_tree_lookup+0x4c0/0x4c0 [ 428.801653] ? find_get_entry+0x2f2/0xc40 [ 428.805800] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 428.810724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.816251] ? should_fail+0x22d/0xd01 [ 428.820132] ? ___might_sleep+0x1ed/0x300 [ 428.824276] ? lock_release+0x970/0x970 [ 428.828247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.833350] ? debug_smp_processor_id+0x1c/0x20 [ 428.838013] ? __might_sleep+0x95/0x190 [ 428.841980] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 428.846818] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.851830] ? lock_downgrade+0x900/0x900 [ 428.855970] ? ___might_sleep+0x1ed/0x300 [ 428.860109] ? lock_release+0x970/0x970 [ 428.864074] ? arch_local_save_flags+0x40/0x40 [ 428.868651] ? finish_task_switch+0x1f5/0x900 [ 428.873143] ? __might_sleep+0x95/0x190 [ 428.877111] __alloc_pages_nodemask+0xa80/0xde0 [ 428.881778] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.886787] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.892576] ? mark_held_locks+0x130/0x130 [ 428.896803] ? kasan_check_write+0x14/0x20 [ 428.901027] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 428.905696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.911228] ? __do_page_cache_readahead+0x7ce/0x980 [ 428.916335] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 428.921978] alloc_pages_current+0x10c/0x210 [ 428.926376] ? lock_downgrade+0x900/0x900 [ 428.930515] __page_cache_alloc+0x38f/0x5b0 [ 428.934827] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.940614] ? ext4_filemap_fault+0x82/0xad [ 428.944929] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 428.949609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.955136] ? check_preemption_disabled+0x48/0x200 [ 428.960142] filemap_fault+0x1594/0x25f0 [ 428.964198] ? __lock_page_or_retry+0xa00/0xa00 [ 428.968857] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.974647] ? lock_downgrade+0x900/0x900 [ 428.978791] ? trace_hardirqs_on+0xbd/0x310 [ 428.983101] ? kasan_check_read+0x11/0x20 [ 428.987242] ? __free_object+0x173/0x340 [ 428.991299] ? filemap_map_pages+0xdea/0x1980 [ 428.995794] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.000894] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 429.006160] ? debug_object_free+0x325/0x690 [ 429.010571] ? find_get_pages_range_tag+0x1320/0x1320 [ 429.015758] ? do_raw_spin_lock+0xc1/0x200 [ 429.019986] ? kasan_check_read+0x11/0x20 [ 429.024124] ? debug_object_destroy+0x2b0/0x2b0 [ 429.028781] ? kasan_check_write+0x14/0x20 [ 429.033013] ? lock_acquire+0x1ed/0x520 [ 429.036977] ? ext4_filemap_fault+0x7a/0xad [ 429.041292] ? lock_release+0x970/0x970 [ 429.045261] ? arch_local_save_flags+0x40/0x40 [ 429.049835] ? futex_wait_setup+0x3e0/0x3e0 [ 429.054154] ? down_read+0xb0/0x1d0 [ 429.057770] ? ext4_filemap_fault+0x7a/0xad [ 429.062084] ? __down_interruptible+0x700/0x700 [ 429.066750] ext4_filemap_fault+0x82/0xad [ 429.070894] __do_fault+0x100/0x6b0 [ 429.074513] ? print_bad_pte+0x6c0/0x6c0 [ 429.078564] ? do_futex+0x249/0x26d0 [ 429.082277] ? pmd_val+0x88/0x100 [ 429.085723] ? add_mm_counter_fast+0xd0/0xd0 [ 429.090121] ? pmd_val+0x88/0x100 [ 429.093566] ? add_mm_counter_fast+0xd0/0xd0 [ 429.097970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.103500] __handle_mm_fault+0x3709/0x53e0 [ 429.107895] ? perf_trace_lock+0x14d/0x7a0 [ 429.112128] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 429.116965] ? ksys_dup3+0x680/0x680 [ 429.120674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.126208] ? should_fail+0x22d/0xd01 [ 429.130098] ? lock_acquire+0x1ed/0x520 [ 429.134063] ? handle_mm_fault+0x42a/0xc70 [ 429.138299] ? lock_downgrade+0x900/0x900 [ 429.142451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.148241] ? lock_downgrade+0x900/0x900 [ 429.152378] ? __do_page_fault+0x67d/0xed0 [ 429.156607] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.162048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.167582] ? check_preemption_disabled+0x48/0x200 [ 429.172598] handle_mm_fault+0x54f/0xc70 [ 429.176653] ? __handle_mm_fault+0x53e0/0x53e0 [ 429.181227] ? find_vma+0x34/0x190 [ 429.184761] __do_page_fault+0x67d/0xed0 [ 429.188832] ? mm_fault_error+0x380/0x380 [ 429.192968] ? trace_hardirqs_off+0xb8/0x310 [ 429.197367] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.202717] ? trace_hardirqs_on+0x310/0x310 [ 429.207119] do_page_fault+0xf2/0x7e0 [ 429.210909] ? vmalloc_sync_all+0x30/0x30 [ 429.215045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.220574] ? error_entry+0x70/0xd0 [ 429.224276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.229285] ? trace_hardirqs_on_caller+0xc0/0x310 [ 429.234213] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.239142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.243974] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.248978] ? trace_hardirqs_off+0x310/0x310 [ 429.253468] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.258580] ? page_fault+0x8/0x30 [ 429.262111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.266944] ? page_fault+0x8/0x30 [ 429.270473] page_fault+0x1e/0x30 [ 429.273913] RIP: 0033:0x40f9c0 [ 429.277100] Code: Bad RIP value. [ 429.280449] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 429.285804] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 429.293061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 429.300329] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 429.307590] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 429.314865] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 429.322142] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 429.322270] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.329413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.339628] syz-fuzzer cpuset= [ 429.348957] Call Trace: [ 429.348959] / mems_allowed=0 [ 429.352138] [ 429.359836] dump_stack+0x1c4/0x2b4 [ 429.363459] ? dump_stack_print_info.cold.2+0x52/0x52 [ 429.368648] warn_alloc.cold.119+0xb7/0x1bd [ 429.372961] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.377798] ? lock_downgrade+0x900/0x900 [ 429.381939] ? trace_hardirqs_off+0xb8/0x310 [ 429.386343] ? trace_hardirqs_off+0xb8/0x310 [ 429.390746] __alloc_pages_slowpath+0x2667/0x2d80 [ 429.395594] ? warn_alloc+0x120/0x120 [ 429.399390] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.404401] ? warn_alloc+0x120/0x120 [ 429.408195] ? warn_alloc+0x120/0x120 [ 429.411990] ? should_fail+0x22d/0xd01 [ 429.415867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.421052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.426146] ? should_fail+0x22d/0xd01 [ 429.430027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.435568] ? should_fail+0x22d/0xd01 [ 429.439450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.444542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.450070] ? should_fail+0x22d/0xd01 [ 429.453952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.459054] ? should_fail+0x22d/0xd01 [ 429.462934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.468031] ? mark_held_locks+0x130/0x130 [ 429.472261] ? mark_held_locks+0x130/0x130 [ 429.476496] ? update_stack_state+0x1a5/0x690 [ 429.480984] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.485991] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 429.490742] ? is_bpf_text_address+0xac/0x170 [ 429.495257] ? lock_downgrade+0x900/0x900 [ 429.499406] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.505194] ? kasan_check_read+0x11/0x20 [ 429.509340] __alloc_pages_nodemask+0xa80/0xde0 [ 429.513999] ? should_fail+0x22d/0xd01 [ 429.517882] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.522887] ? is_bpf_text_address+0xd3/0x170 [ 429.527399] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.532060] ? lock_downgrade+0x900/0x900 [ 429.536204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.541735] cache_grow_begin+0x91/0x8c0 [ 429.545788] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.550189] fallback_alloc+0x203/0x2e0 [ 429.554160] ____cache_alloc_node+0x1c7/0x1e0 [ 429.558650] kmem_cache_alloc_node+0xe3/0x730 [ 429.563141] __alloc_skb+0x119/0x770 [ 429.566846] ? skb_scrub_packet+0x490/0x490 [ 429.571158] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 429.575735] ? queue_work_on+0x12c/0x1e0 [ 429.579790] ? switchdev_port_obj_del+0xdc/0x450 [ 429.584536] ? switchdev_trans_item_enqueue+0x260/0x260 [ 429.589893] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.594901] __br_mdb_notify+0x4ff/0x15d0 [ 429.599047] ? __br_mdb_add+0x800/0x800 [ 429.603013] ? kasan_check_write+0x14/0x20 [ 429.607684] ? do_raw_spin_lock+0xc1/0x200 [ 429.611915] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.617013] ? debug_object_assert_init+0x368/0x4b0 [ 429.622029] ? debug_object_init_on_stack+0x20/0x20 [ 429.627044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.632579] br_mdb_notify+0x310/0x410 [ 429.636462] ? br_mdb_dump+0x2530/0x2530 [ 429.640524] br_multicast_del_pg+0x3df/0x790 [ 429.644928] ? br_mdb_ip_get+0x940/0x940 [ 429.648987] ? kasan_check_write+0x14/0x20 [ 429.653221] ? do_raw_spin_lock+0xc1/0x200 [ 429.657453] br_multicast_port_group_expired+0x189/0x1e0 [ 429.662898] call_timer_fn+0x272/0x920 [ 429.666776] ? br_multicast_del_pg+0x790/0x790 [ 429.671349] ? process_timeout+0x40/0x40 [ 429.675400] ? trace_hardirqs_off+0xb8/0x310 [ 429.679797] ? kasan_check_read+0x11/0x20 [ 429.683934] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.688334] ? trace_hardirqs_on+0x310/0x310 [ 429.692737] ? __run_timers+0x7da/0xc70 [ 429.696703] ? lock_downgrade+0x900/0x900 [ 429.700846] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.705937] ? trace_hardirqs_on+0xbd/0x310 [ 429.710248] ? kasan_check_read+0x11/0x20 [ 429.714400] ? __run_timers+0x7da/0xc70 [ 429.718365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.723806] ? kasan_check_write+0x14/0x20 [ 429.728037] ? do_raw_spin_lock+0xc1/0x200 [ 429.732273] ? br_multicast_del_pg+0x790/0x790 [ 429.736848] __run_timers+0x7e5/0xc70 [ 429.740646] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.746004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.751026] ? timerqueue_add+0x207/0x2b0 [ 429.755170] ? enqueue_hrtimer+0x1a5/0x560 [ 429.759395] ? lock_release+0x970/0x970 [ 429.763361] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.768545] ? kasan_check_write+0x14/0x20 [ 429.772774] ? pvclock_read_flags+0x160/0x160 [ 429.777783] ? lock_downgrade+0x900/0x900 [ 429.781927] ? trace_hardirqs_on+0xbd/0x310 [ 429.786241] ? kvm_sched_clock_read+0x9/0x20 [ 429.790647] ? irq_exit+0x17f/0x1c0 [ 429.794274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.799802] ? check_preemption_disabled+0x48/0x200 [ 429.804806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.810336] run_timer_softirq+0x52/0xb0 [ 429.814389] ? __this_cpu_preempt_check+0x1c/0x1f [ 429.819227] __do_softirq+0x30b/0xad8 [ 429.823633] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.828729] ? pvclock_read_flags+0x160/0x160 [ 429.833215] ? lapic_next_event+0x5a/0x90 [ 429.837353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.842885] ? clockevents_program_event+0x140/0x370 [ 429.847994] ? kvm_clock_read+0x18/0x30 [ 429.851965] ? kvm_sched_clock_read+0x9/0x20 [ 429.856364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.861901] ? check_preemption_disabled+0x48/0x200 [ 429.866912] irq_exit+0x17f/0x1c0 [ 429.870360] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.875213] ? smp_reschedule_interrupt+0x109/0x650 [ 429.880228] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.886146] ? interrupt_entry+0xb5/0xf0 [ 429.890201] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.895210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.900224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.905067] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.910076] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.915081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.920611] ? check_preemption_disabled+0x48/0x200 [ 429.925617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.931151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.935990] apic_timer_interrupt+0xf/0x20 [ 429.940214] [ 429.942456] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 429.947379] 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 [ 429.966272] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.973972] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 429.981240] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 429.988499] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 429.995757] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 430.003017] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 430.010288] ? trace_hardirqs_on+0xb4/0x310 [ 430.014608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.020143] skb_clone+0x1bb/0x500 [ 430.023676] ? skb_split+0x11e0/0x11e0 [ 430.027557] ? check_preemption_disabled+0x48/0x200 [ 430.032570] ? __this_cpu_preempt_check+0x1c/0x1f [ 430.037404] ? __bpf_redirect+0x54b/0xb20 [ 430.041543] ? __switch_to_asm+0x34/0x70 [ 430.045601] bpf_clone_redirect+0xb9/0x490 [ 430.049832] bpf_prog_466abe619656067b+0x436/0x1000 [ 430.054844] ? __sched_text_start+0x8/0x8 [ 430.058987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.063737] ? retint_kernel+0x2d/0x2d [ 430.067623] ? lock_acquire+0x1ed/0x520 [ 430.071605] ? bpf_test_run+0x32e/0x5a0 [ 430.075572] ? lock_downgrade+0x900/0x900 [ 430.079714] ? lock_release+0x970/0x970 [ 430.083683] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 430.089476] ? preempt_schedule_common+0x1f/0xd0 [ 430.094232] ? preempt_schedule+0x4d/0x60 [ 430.098370] ? ___preempt_schedule+0x16/0x18 [ 430.102770] ? bpf_test_run+0x1c0/0x5a0 [ 430.106740] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.111139] ? bpf_prog_test_run_skb+0x295/0xb40 [ 430.115891] ? bpf_prog_test_run_skb+0x634/0xb40 [ 430.120645] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.125482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.131012] ? fput+0x130/0x1a0 [ 430.134291] ? __bpf_prog_get+0x9b/0x290 [ 430.138341] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.143174] ? bpf_prog_test_run+0x130/0x1a0 [ 430.147574] ? __x64_sys_bpf+0x3d8/0x510 [ 430.151627] ? bpf_prog_get+0x20/0x20 [ 430.155428] ? do_syscall_64+0x1b9/0x820 [ 430.159479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.164834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.169755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.174590] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.179600] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.184610] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.189622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.194462] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.199826] warn_alloc_show_mem: 1 callbacks suppressed [ 430.199835] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 430.199836] Mem-Info: [ 430.199863] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 430.199863] active_file:98 inactive_file:120 isolated_file:0 [ 430.199863] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.199863] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 430.199863] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 430.199863] free:13602 free_pcp:142 free_cma:0 [ 430.205205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.212130] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.214515] Call Trace: [ 430.247458] Node 0 [ 430.256808] [ 430.284476] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 430.287031] dump_stack+0x1c4/0x2b4 [ 430.289233] lowmem_reserve[]: [ 430.291373] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.316843] 0 [ 430.320470] warn_alloc.cold.119+0xb7/0x1bd [ 430.323533] 2819 [ 430.328705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.330490] 6323 [ 430.334811] ? lock_downgrade+0x900/0x900 [ 430.336845] 6323 [ 430.341671] ? trace_hardirqs_off+0xb8/0x310 [ 430.347845] ? trace_hardirqs_off+0xb8/0x310 [ 430.349901] Node 0 [ 430.354298] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.358695] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 430.360906] ? debug_object_activate+0x402/0x600 [ 430.365722] lowmem_reserve[]: [ 430.392339] ? warn_alloc+0x120/0x120 [ 430.397066] 0 [ 430.400158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.403937] 0 3503 [ 430.405735] ? warn_alloc+0x120/0x120 [ 430.410714] 3503 [ 430.412942] ? get_stack_info+0x37/0x142 [ 430.416714] Node 0 [ 430.418763] ? warn_alloc+0x120/0x120 [ 430.422819] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 430.425022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.428792] lowmem_reserve[]: [ 430.457231] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 430.462215] 0 [ 430.465304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.470026] 0 [ 430.471815] ? should_fail+0x22d/0xd01 [ 430.477331] 0 [ 430.479120] ? is_bpf_text_address+0xac/0x170 [ 430.482972] 0 [ 430.484761] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.491011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.496080] Node 0 [ 430.501595] ? should_fail+0x22d/0xd01 [ 430.501602] DMA: [ 430.503826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.507683] 1*4kB [ 430.509728] ? should_fail+0x22d/0xd01 [ 430.514798] (U) [ 430.516934] ? kasan_check_read+0x11/0x20 [ 430.520795] 0*8kB [ 430.522756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.526870] 0*16kB [ 430.529010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.534253] 1*32kB (U) [ 430.536481] ? unwind_dump+0x190/0x190 [ 430.541547] 2*64kB (U) [ 430.544138] ? mark_held_locks+0x130/0x130 [ 430.548013] 1*128kB [ 430.550582] ? mark_held_locks+0x130/0x130 [ 430.554784] (U) [ 430.557189] ? update_stack_state+0x1a5/0x690 [ 430.561390] 1*256kB [ 430.563352] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.567813] (U) [ 430.570121] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 430.575104] 0*512kB [ 430.577069] ? is_bpf_text_address+0xac/0x170 [ 430.581790] 1*1024kB [ 430.584098] ? lock_downgrade+0x900/0x900 [ 430.588554] (U) 1*2048kB [ 430.590960] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 430.595073] (M) [ 430.597813] ? kasan_check_read+0x11/0x20 [ 430.603595] 3*4096kB [ 430.605560] __alloc_pages_nodemask+0xa80/0xde0 [ 430.609674] (M) [ 430.612069] ? should_fail+0x22d/0xd01 [ 430.616708] = 15908kB [ 430.618674] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 430.622528] Node 0 [ 430.624925] ? is_bpf_text_address+0xd3/0x170 [ 430.629923] DMA32: [ 430.632154] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.636610] 5*4kB [ 430.638830] ? lock_downgrade+0x900/0x900 [ 430.643467] (UM) [ 430.645604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.649719] 0*8kB [ 430.651767] cache_grow_begin+0x91/0x8c0 [ 430.657272] 5*16kB [ 430.659407] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.663434] (UMH) 5*32kB [ 430.665665] fallback_alloc+0x203/0x2e0 [ 430.670041] (UMH) [ 430.672795] ____cache_alloc_node+0x1c7/0x1e0 [ 430.676737] 7*64kB [ 430.678875] kmem_cache_alloc_node+0xe3/0x730 [ 430.683341] (UM) [ 430.685567] __alloc_skb+0x119/0x770 [ 430.690029] 4*128kB [ 430.692076] ? skb_scrub_packet+0x490/0x490 [ 430.695762] (UM) [ 430.698074] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 430.702375] 5*256kB [ 430.704440] ? queue_work_on+0x12c/0x1e0 [ 430.708986] (UMH) [ 430.711300] ? switchdev_port_obj_del+0xdc/0x450 [ 430.715329] 4*512kB [ 430.717463] ? switchdev_trans_item_enqueue+0x260/0x260 [ 430.722190] (UM) [ 430.724498] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.729832] 4*1024kB [ 430.731878] __br_mdb_notify+0x4ff/0x15d0 [ 430.736874] (UMH) [ 430.739275] ? __br_mdb_add+0x800/0x800 [ 430.743390] 4*2048kB [ 430.745523] ? kasan_check_write+0x14/0x20 [ 430.749468] (UM) [ 430.751866] ? do_raw_spin_lock+0xc1/0x200 [ 430.756071] 2*4096kB [ 430.758123] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.762323] (M) [ 430.764717] ? debug_object_assert_init+0x368/0x4b0 [ 430.769787] = 25028kB [ 430.771750] ? debug_object_init_on_stack+0x20/0x20 [ 430.777216] Node 0 [ 430.779625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.784608] Normal: [ 430.786828] br_mdb_notify+0x310/0x410 [ 430.792334] 809*4kB [ 430.794639] ? br_mdb_dump+0x2530/0x2530 [ 430.798497] (UMEH) [ 430.800808] br_multicast_del_pg+0x3df/0x790 [ 430.804839] 372*8kB [ 430.807061] ? br_mdb_ip_get+0x940/0x940 [ 430.811439] (UMEH) [ 430.813749] ? kasan_check_write+0x14/0x20 [ 430.817782] 191*16kB [ 430.820005] ? do_raw_spin_lock+0xc1/0x200 [ 430.824204] (UMEH) [ 430.826601] br_multicast_port_group_expired+0x189/0x1e0 [ 430.830805] 81*32kB [ 430.833026] call_timer_fn+0x272/0x920 [ 430.838442] (UME) [ 430.840749] ? br_multicast_del_pg+0x790/0x790 [ 430.844605] 21*64kB [ 430.846742] ? process_timeout+0x40/0x40 [ 430.851286] (UMH) 3*128kB [ 430.853599] ? trace_hardirqs_off+0xb8/0x310 [ 430.857628] (UH) [ 430.860468] ? kasan_check_read+0x11/0x20 [ 430.864848] 0*256kB [ 430.866898] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.871013] 0*512kB [ 430.873321] ? trace_hardirqs_on+0x310/0x310 [ 430.877699] 0*1024kB [ 430.880009] ? __run_timers+0x7da/0xc70 [ 430.884385] 0*2048kB [ 430.886778] ? lock_downgrade+0x900/0x900 [ 430.890722] 0*4096kB [ 430.893118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.897236] = 13588kB [ 430.899629] ? trace_hardirqs_on+0xbd/0x310 [ 430.904708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.907094] ? kasan_check_read+0x11/0x20 [ 430.911392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.920292] ? __run_timers+0x7da/0xc70 [ 430.924416] 348 total pagecache pages [ 430.932988] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.936932] 0 pages in swap cache [ 430.940716] ? kasan_check_write+0x14/0x20 [ 430.946139] Swap cache stats: add 0, delete 0, find 0/0 [ 430.949578] ? do_raw_spin_lock+0xc1/0x200 [ 430.953779] Free swap = 0kB [ 430.959124] ? br_multicast_del_pg+0x790/0x790 [ 430.963343] Total swap = 0kB [ 430.966346] __run_timers+0x7e5/0xc70 [ 430.970897] 1965979 pages RAM [ 430.973904] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.977674] 0 pages HighMem/MovableOnly [ 430.980762] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.986094] 342307 pages reserved [ 430.990053] ? timerqueue_add+0x207/0x2b0 [ 430.995045] 0 pages cma reserved [ 430.998480] ? enqueue_hrtimer+0x1a5/0x560 [ 431.010159] ? lock_release+0x970/0x970 [ 431.014122] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.019306] ? kasan_check_write+0x14/0x20 [ 431.023530] ? pvclock_read_flags+0x160/0x160 [ 431.028011] ? lock_downgrade+0x900/0x900 [ 431.032154] ? trace_hardirqs_on+0xbd/0x310 [ 431.036460] ? kvm_sched_clock_read+0x9/0x20 [ 431.040853] ? irq_exit+0x17f/0x1c0 [ 431.044465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.049986] ? check_preemption_disabled+0x48/0x200 [ 431.055003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.060526] run_timer_softirq+0x52/0xb0 [ 431.064572] ? __this_cpu_preempt_check+0x1c/0x1f [ 431.069404] __do_softirq+0x30b/0xad8 [ 431.073211] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 431.078300] ? pvclock_read_flags+0x160/0x160 [ 431.082779] ? lapic_next_event+0x5a/0x90 [ 431.086910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.092433] ? clockevents_program_event+0x140/0x370 [ 431.097533] ? kvm_clock_read+0x18/0x30 [ 431.101494] ? kvm_sched_clock_read+0x9/0x20 [ 431.105887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.111416] ? check_preemption_disabled+0x48/0x200 [ 431.116420] irq_exit+0x17f/0x1c0 [ 431.119859] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.124685] ? smp_reschedule_interrupt+0x109/0x650 [ 431.129688] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.135556] ? interrupt_entry+0xb5/0xf0 [ 431.139606] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.144608] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.149613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.154440] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.159452] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.164455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.169978] ? check_preemption_disabled+0x48/0x200 [ 431.174979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.180506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.185335] apic_timer_interrupt+0xf/0x20 [ 431.189554] [ 431.191781] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 431.196960] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 431.215846] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 431.223541] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 431.230797] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 431.238051] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 431.245307] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 431.252562] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 431.259826] ? trace_hardirqs_on+0x9a/0x310 [ 431.264147] ? trace_hardirqs_on+0xb4/0x310 [ 431.268459] retint_kernel+0x1b/0x2d [ 431.272158] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 431.277431] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 431.296320] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 431.304033] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 431.311301] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 431.318557] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 431.325811] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 431.333074] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 431.340340] ? trace_hardirqs_on+0x9a/0x310 [ 431.344650] ? arch_local_irq_restore+0x45/0x52 [ 431.349322] dump_stack+0x26a/0x2b4 [ 431.352937] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.358120] ? mark_held_locks+0x130/0x130 [ 431.362339] ? mark_held_locks+0x130/0x130 [ 431.366560] dump_header+0x27b/0xf72 [ 431.370276] ? rcu_read_unlock+0x16/0x60 [ 431.374325] ? pagefault_out_of_memory+0x197/0x197 [ 431.379246] ? mark_held_locks+0x130/0x130 [ 431.383468] ? percpu_ref_put_many+0x13e/0x260 [ 431.388034] ? mem_cgroup_charge_statistics+0x780/0x780 [ 431.393390] ? mem_cgroup_iter+0x1f7/0x1160 [ 431.397783] ? mark_held_locks+0x130/0x130 [ 431.402014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.407534] ? task_will_free_mem+0x239/0xb30 [ 431.412019] ? ___ratelimit+0x36f/0x655 [ 431.415979] ? lock_downgrade+0x900/0x900 [ 431.420121] ? trace_hardirqs_on+0xbd/0x310 [ 431.424426] ? kasan_check_read+0x11/0x20 [ 431.428560] ? ___ratelimit+0x36f/0x655 [ 431.432530] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.437967] ? trace_hardirqs_on+0x310/0x310 [ 431.442364] ? lock_downgrade+0x900/0x900 [ 431.446500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.451586] ? ___ratelimit+0xaa/0x655 [ 431.455458] ? idr_get_free+0xec0/0xec0 [ 431.459419] ? kasan_check_write+0x14/0x20 [ 431.463637] ? do_raw_spin_lock+0xc1/0x200 [ 431.467860] oom_kill_process.cold.27+0x10/0x903 [ 431.472602] ? lock_downgrade+0x900/0x900 [ 431.476736] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.482521] ? oom_evaluate_task+0x540/0x540 [ 431.486919] ? oom_unkillable_task+0x383/0x580 [ 431.491486] ? out_of_memory+0x974/0x1430 [ 431.495616] ? lock_downgrade+0x900/0x900 [ 431.499749] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.505530] ? __cpuset_node_allowed+0x19b/0x660 [ 431.510274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.515797] ? oom_evaluate_task+0x302/0x540 [ 431.520191] out_of_memory+0xa84/0x1430 [ 431.524152] ? oom_killer_disable+0x3a0/0x3a0 [ 431.528667] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 431.533583] ? __mutex_add_waiter+0x2a0/0x2a0 [ 431.538065] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.543076] ? find_next_bit+0x104/0x130 [ 431.547132] __alloc_pages_slowpath+0x2318/0x2d80 [ 431.551970] ? warn_alloc+0x120/0x120 [ 431.555751] ? __radix_tree_lookup+0x4c0/0x4c0 [ 431.560338] ? find_get_entry+0x2f2/0xc40 [ 431.564480] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 431.569394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.574915] ? should_fail+0x22d/0xd01 [ 431.578786] ? ___might_sleep+0x1ed/0x300 [ 431.582931] ? lock_release+0x970/0x970 [ 431.586889] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.591978] ? debug_smp_processor_id+0x1c/0x20 [ 431.596634] ? __might_sleep+0x95/0x190 [ 431.600596] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 431.605425] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.610915] ? lock_downgrade+0x900/0x900 [ 431.615049] ? ___might_sleep+0x1ed/0x300 [ 431.619179] ? lock_release+0x970/0x970 [ 431.623136] ? arch_local_save_flags+0x40/0x40 [ 431.627702] ? finish_task_switch+0x1f5/0x900 [ 431.632186] ? __might_sleep+0x95/0x190 [ 431.636153] __alloc_pages_nodemask+0xa80/0xde0 [ 431.640810] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.645830] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.651627] ? mark_held_locks+0x130/0x130 [ 431.655845] ? kasan_check_write+0x14/0x20 [ 431.660069] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 431.664734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.670260] ? __do_page_cache_readahead+0x7ce/0x980 [ 431.675361] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 431.680908] alloc_pages_current+0x10c/0x210 [ 431.685302] ? lock_downgrade+0x900/0x900 [ 431.689442] __page_cache_alloc+0x38f/0x5b0 [ 431.693749] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.699532] ? ext4_filemap_fault+0x82/0xad [ 431.703838] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 431.708493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.714020] ? check_preemption_disabled+0x48/0x200 [ 431.719028] filemap_fault+0x1594/0x25f0 [ 431.723088] ? __lock_page_or_retry+0xa00/0xa00 [ 431.727755] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.733536] ? lock_downgrade+0x900/0x900 [ 431.737669] ? trace_hardirqs_on+0xbd/0x310 [ 431.741973] ? kasan_check_read+0x11/0x20 [ 431.746106] ? __free_object+0x173/0x340 [ 431.750152] ? filemap_map_pages+0xdea/0x1980 [ 431.754635] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.759724] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 431.764983] ? debug_object_free+0x325/0x690 [ 431.769388] ? find_get_pages_range_tag+0x1320/0x1320 [ 431.774809] ? do_raw_spin_lock+0xc1/0x200 [ 431.779031] ? kasan_check_read+0x11/0x20 [ 431.783161] ? debug_object_destroy+0x2b0/0x2b0 [ 431.787814] ? kasan_check_write+0x14/0x20 [ 431.792035] ? lock_acquire+0x1ed/0x520 [ 431.795997] ? ext4_filemap_fault+0x7a/0xad [ 431.800302] ? lock_release+0x970/0x970 [ 431.804265] ? arch_local_save_flags+0x40/0x40 [ 431.808837] ? futex_wait_setup+0x3e0/0x3e0 [ 431.813157] ? down_read+0xb0/0x1d0 [ 431.816766] ? ext4_filemap_fault+0x7a/0xad [ 431.821086] ? __down_interruptible+0x700/0x700 [ 431.825745] ext4_filemap_fault+0x82/0xad [ 431.829877] __do_fault+0x100/0x6b0 [ 431.833489] ? print_bad_pte+0x6c0/0x6c0 [ 431.837534] ? do_futex+0x249/0x26d0 [ 431.841239] ? pmd_val+0x88/0x100 [ 431.844676] ? add_mm_counter_fast+0xd0/0xd0 [ 431.849076] ? pmd_val+0x88/0x100 [ 431.852513] ? add_mm_counter_fast+0xd0/0xd0 [ 431.856907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.862434] __handle_mm_fault+0x3709/0x53e0 [ 431.866826] ? perf_trace_lock+0x14d/0x7a0 [ 431.871150] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 431.875993] ? ksys_dup3+0x680/0x680 [ 431.879691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.885211] ? should_fail+0x22d/0xd01 [ 431.889094] ? lock_acquire+0x1ed/0x520 [ 431.893056] ? handle_mm_fault+0x42a/0xc70 [ 431.897296] ? lock_downgrade+0x900/0x900 [ 431.901452] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.907236] ? lock_downgrade+0x900/0x900 [ 431.911367] ? __do_page_fault+0x67d/0xed0 [ 431.915590] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.921024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.926545] ? check_preemption_disabled+0x48/0x200 [ 431.931548] handle_mm_fault+0x54f/0xc70 [ 431.935593] ? __handle_mm_fault+0x53e0/0x53e0 [ 431.940160] ? find_vma+0x34/0x190 [ 431.943684] __do_page_fault+0x67d/0xed0 [ 431.947730] ? mm_fault_error+0x380/0x380 [ 431.951859] ? trace_hardirqs_off+0xb8/0x310 [ 431.956251] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.961596] ? trace_hardirqs_on+0x310/0x310 [ 431.965992] do_page_fault+0xf2/0x7e0 [ 431.969776] ? vmalloc_sync_all+0x30/0x30 [ 431.973907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.979428] ? error_entry+0x70/0xd0 [ 431.983126] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.988124] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.993038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.997957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.002785] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.007783] ? trace_hardirqs_off+0x310/0x310 [ 432.012265] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.017262] ? page_fault+0x8/0x30 [ 432.020789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.025615] ? page_fault+0x8/0x30 [ 432.029143] page_fault+0x1e/0x30 [ 432.032690] RIP: 0033:0x40f9c0 [ 432.035870] Code: Bad RIP value. [ 432.039216] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 432.044663] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 432.051929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 432.059186] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 432.066439] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 432.073690] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 432.081062] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.091538] syz-executor3 cpuset=syz3 mems_allowed=0 [ 432.096654] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 432.103918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.113255] Call Trace: [ 432.115821] [ 432.117958] dump_stack+0x1c4/0x2b4 [ 432.121574] ? dump_stack_print_info.cold.2+0x52/0x52 [ 432.126754] warn_alloc.cold.119+0xb7/0x1bd [ 432.131067] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.135896] ? lock_downgrade+0x900/0x900 [ 432.140029] ? trace_hardirqs_off+0xb8/0x310 [ 432.144431] ? trace_hardirqs_off+0xb8/0x310 [ 432.148829] __alloc_pages_slowpath+0x2667/0x2d80 [ 432.153669] ? warn_alloc+0x120/0x120 [ 432.157458] ? warn_alloc+0x120/0x120 [ 432.161259] ? warn_alloc+0x120/0x120 [ 432.165053] ? debug_object_activate+0x402/0x600 [ 432.169889] ? task_tick_fair+0x26f/0x330 [ 432.174023] ? debug_object_assert_init+0x4b0/0x4b0 [ 432.179034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.184560] ? should_fail+0x22d/0xd01 [ 432.188433] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.193434] ? timerqueue_add+0x207/0x2b0 [ 432.197569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.202654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.208188] ? should_fail+0x22d/0xd01 [ 432.212065] ? enqueue_hrtimer+0x1a5/0x560 [ 432.216284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.221371] ? should_fail+0x22d/0xd01 [ 432.225243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.230345] ? kasan_check_write+0x14/0x20 [ 432.234567] ? mark_held_locks+0x130/0x130 [ 432.238787] ? mark_held_locks+0x130/0x130 [ 432.243010] ? update_stack_state+0x1a5/0x690 [ 432.247495] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.252495] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 432.257238] ? is_bpf_text_address+0xac/0x170 [ 432.261719] ? lock_downgrade+0x900/0x900 [ 432.265857] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.271638] ? kasan_check_read+0x11/0x20 [ 432.275771] __alloc_pages_nodemask+0xa80/0xde0 [ 432.280425] ? should_fail+0x22d/0xd01 [ 432.284300] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.289299] ? is_bpf_text_address+0xd3/0x170 [ 432.293789] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.298439] ? lock_downgrade+0x900/0x900 [ 432.302574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.308098] cache_grow_begin+0x91/0x8c0 [ 432.312144] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.316541] fallback_alloc+0x203/0x2e0 [ 432.320502] ____cache_alloc_node+0x1c7/0x1e0 [ 432.324984] kmem_cache_alloc_node+0xe3/0x730 [ 432.329469] __alloc_skb+0x119/0x770 [ 432.333170] ? skb_scrub_packet+0x490/0x490 [ 432.337488] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 432.342057] ? queue_work_on+0x12c/0x1e0 [ 432.346102] ? switchdev_port_obj_del+0xdc/0x450 [ 432.350842] ? switchdev_trans_item_enqueue+0x260/0x260 [ 432.356191] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.361196] __br_mdb_notify+0x4ff/0x15d0 [ 432.365335] ? __br_mdb_add+0x800/0x800 [ 432.369295] ? kasan_check_write+0x14/0x20 [ 432.373526] ? do_raw_spin_lock+0xc1/0x200 [ 432.377748] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.382849] ? debug_object_assert_init+0x368/0x4b0 [ 432.387849] ? debug_object_init_on_stack+0x20/0x20 [ 432.392854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.398459] br_mdb_notify+0x310/0x410 [ 432.402332] ? br_mdb_dump+0x2530/0x2530 [ 432.406381] br_multicast_del_pg+0x3df/0x790 [ 432.410780] ? br_mdb_ip_get+0x940/0x940 [ 432.414833] ? do_raw_spin_lock+0x1a7/0x200 [ 432.419144] br_multicast_port_group_expired+0x189/0x1e0 [ 432.424582] call_timer_fn+0x272/0x920 [ 432.428456] ? br_multicast_del_pg+0x790/0x790 [ 432.433030] ? process_timeout+0x40/0x40 [ 432.437090] ? trace_hardirqs_off+0xb8/0x310 [ 432.441481] ? kasan_check_read+0x11/0x20 [ 432.445613] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.450024] ? trace_hardirqs_on+0x310/0x310 [ 432.454417] ? __run_timers+0x7da/0xc70 [ 432.458388] ? lock_downgrade+0x900/0x900 [ 432.462520] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.467609] ? trace_hardirqs_on+0xbd/0x310 [ 432.471916] ? kasan_check_read+0x11/0x20 [ 432.476048] ? __run_timers+0x7da/0xc70 [ 432.480015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.485450] ? kasan_check_write+0x14/0x20 [ 432.489669] ? do_raw_spin_lock+0xc1/0x200 [ 432.493891] ? br_multicast_del_pg+0x790/0x790 [ 432.498455] __run_timers+0x7e5/0xc70 [ 432.502245] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.507596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.512596] ? timerqueue_add+0x207/0x2b0 [ 432.516742] ? enqueue_hrtimer+0x1a5/0x560 [ 432.520965] ? lock_release+0x970/0x970 [ 432.524921] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.530114] ? kasan_check_write+0x14/0x20 [ 432.534338] ? pvclock_read_flags+0x160/0x160 [ 432.538818] ? lock_downgrade+0x900/0x900 [ 432.542955] ? trace_hardirqs_on+0xbd/0x310 [ 432.547258] ? kvm_sched_clock_read+0x9/0x20 [ 432.551664] ? irq_exit+0x17f/0x1c0 [ 432.555277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.560803] ? check_preemption_disabled+0x48/0x200 [ 432.565822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.571346] run_timer_softirq+0x52/0xb0 [ 432.575395] ? __this_cpu_preempt_check+0x1c/0x1f [ 432.580224] __do_softirq+0x30b/0xad8 [ 432.584017] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.589106] ? pvclock_read_flags+0x160/0x160 [ 432.593587] ? lapic_next_event+0x5a/0x90 [ 432.597722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.603248] ? clockevents_program_event+0x140/0x370 [ 432.608338] ? kvm_clock_read+0x18/0x30 [ 432.612298] ? kvm_sched_clock_read+0x9/0x20 [ 432.616690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.622213] ? check_preemption_disabled+0x48/0x200 [ 432.627219] irq_exit+0x17f/0x1c0 [ 432.630660] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.635484] ? smp_reschedule_interrupt+0x109/0x650 [ 432.640484] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.646364] ? interrupt_entry+0xb5/0xf0 [ 432.650413] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.655411] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.660411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.665235] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.670235] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.675234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.680761] ? check_preemption_disabled+0x48/0x200 [ 432.685763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.691288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.696119] apic_timer_interrupt+0xf/0x20 [ 432.700335] [ 432.702560] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.707474] 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 [ 432.726358] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 432.734053] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 432.741305] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 432.748558] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 432.755808] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 432.763063] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 432.770327] ? trace_hardirqs_on+0xb4/0x310 [ 432.774637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.780175] skb_clone+0x1bb/0x500 [ 432.783701] ? skb_split+0x11e0/0x11e0 [ 432.787571] ? check_preemption_disabled+0x48/0x200 [ 432.792571] ? __this_cpu_preempt_check+0x1c/0x1f [ 432.797400] ? __bpf_redirect+0x54b/0xb20 [ 432.801530] ? __switch_to_asm+0x34/0x70 [ 432.805580] bpf_clone_redirect+0xb9/0x490 [ 432.809804] bpf_prog_466abe619656067b+0x436/0x1000 [ 432.814805] ? __sched_text_start+0x8/0x8 [ 432.818939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.823681] ? retint_kernel+0x2d/0x2d [ 432.828793] ? lock_acquire+0x1ed/0x520 [ 432.832756] ? bpf_test_run+0x32e/0x5a0 [ 432.836712] ? lock_downgrade+0x900/0x900 [ 432.840847] ? lock_release+0x970/0x970 [ 432.844807] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.850605] ? preempt_schedule_common+0x1f/0xd0 [ 432.855344] ? preempt_schedule+0x4d/0x60 [ 432.859495] ? ___preempt_schedule+0x16/0x18 [ 432.863902] ? bpf_test_run+0x1c0/0x5a0 [ 432.867865] ? netlink_diag_dump+0x2a0/0x2a0 [ 432.872262] ? bpf_prog_test_run_skb+0x295/0xb40 [ 432.877009] ? bpf_prog_test_run_skb+0x634/0xb40 [ 432.881756] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 432.886586] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.892119] ? fput+0x130/0x1a0 [ 432.895383] ? __bpf_prog_get+0x9b/0x290 [ 432.899435] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 432.904262] ? bpf_prog_test_run+0x130/0x1a0 [ 432.908658] ? __x64_sys_bpf+0x3d8/0x510 [ 432.912705] ? bpf_prog_get+0x20/0x20 [ 432.916500] ? do_syscall_64+0x1b9/0x820 [ 432.920544] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.925896] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.930808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.935636] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.940638] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 432.945639] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.950641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.955470] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.960822] warn_alloc_show_mem: 1 callbacks suppressed [ 432.960826] Mem-Info: [ 432.968571] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 432.968571] active_file:98 inactive_file:120 isolated_file:0 [ 432.968571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.968571] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 432.968571] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 432.968571] free:13602 free_pcp:142 free_cma:0 [ 433.001636] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.029285] 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 [ 433.055391] lowmem_reserve[]: 0 2819 6323 6323 [ 433.059969] Node 0 DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 433.087117] lowmem_reserve[]: 0 0 3503 3503 [ 433.091429] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 433.120489] lowmem_reserve[]: 0 0 0 0 [ 433.124284] 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 [ 433.137871] Node 0 DMA32: 5*4kB (UM) 0*8kB 5*16kB (UMH) 5*32kB (UMH) 7*64kB (UM) 4*128kB (UM) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 4*2048kB (UM) 2*4096kB (M) = 25028kB [ 433.153467] Node 0 Normal: 809*4kB (UMEH) 372*8kB (UMEH) 191*16kB (UMEH) 81*32kB (UME) 21*64kB (UMH) 3*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13588kB [ 433.168517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.177336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.185889] 348 total pagecache pages [ 433.189671] 0 pages in swap cache [ 433.193106] Swap cache stats: add 0, delete 0, find 0/0 [ 433.198446] Free swap = 0kB [ 433.201444] Total swap = 0kB [ 433.204443] 1965979 pages RAM [ 433.207526] 0 pages HighMem/MovableOnly [ 433.211588] 342307 pages reserved [ 433.215190] 0 pages cma reserved [ 433.218630] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.228847] syz-fuzzer cpuset=/ mems_allowed=0 [ 433.233428] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 433.240347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.249704] Call Trace: [ 433.252270] [ 433.254411] dump_stack+0x1c4/0x2b4 [ 433.258027] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.263212] warn_alloc.cold.119+0xb7/0x1bd [ 433.267517] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.272345] ? lock_downgrade+0x900/0x900 [ 433.276496] ? trace_hardirqs_off+0xb8/0x310 [ 433.280892] ? trace_hardirqs_off+0xb8/0x310 [ 433.285287] __alloc_pages_slowpath+0x2667/0x2d80 [ 433.290139] ? warn_alloc+0x120/0x120 [ 433.293947] ? warn_alloc+0x120/0x120 [ 433.297747] ? warn_alloc+0x120/0x120 [ 433.301531] ? debug_object_activate+0x402/0x600 [ 433.306267] ? task_tick_fair+0x26f/0x330 [ 433.310401] ? debug_object_assert_init+0x4b0/0x4b0 [ 433.315408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.320927] ? should_fail+0x22d/0xd01 [ 433.324803] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.329804] ? timerqueue_add+0x207/0x2b0 [ 433.333947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.339036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.344566] ? should_fail+0x22d/0xd01 [ 433.348435] ? enqueue_hrtimer+0x1a5/0x560 [ 433.352653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.357741] ? should_fail+0x22d/0xd01 [ 433.361615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.366704] ? kasan_check_write+0x14/0x20 [ 433.370922] ? mark_held_locks+0x130/0x130 [ 433.375149] ? mark_held_locks+0x130/0x130 [ 433.379373] ? update_stack_state+0x1a5/0x690 [ 433.383854] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.388856] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 433.393613] ? is_bpf_text_address+0xac/0x170 [ 433.398092] ? lock_downgrade+0x900/0x900 [ 433.402230] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 433.408010] ? kasan_check_read+0x11/0x20 [ 433.412155] __alloc_pages_nodemask+0xa80/0xde0 [ 433.416810] ? should_fail+0x22d/0xd01 [ 433.420683] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.425684] ? is_bpf_text_address+0xd3/0x170 [ 433.430180] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.434835] ? lock_downgrade+0x900/0x900 [ 433.438973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.444498] cache_grow_begin+0x91/0x8c0 [ 433.448543] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.452943] fallback_alloc+0x203/0x2e0 [ 433.456903] ____cache_alloc_node+0x1c7/0x1e0 [ 433.461390] kmem_cache_alloc_node+0xe3/0x730 [ 433.465873] __alloc_skb+0x119/0x770 [ 433.469572] ? skb_scrub_packet+0x490/0x490 [ 433.473881] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 433.478449] ? queue_work_on+0x12c/0x1e0 [ 433.482495] ? switchdev_port_obj_del+0xdc/0x450 [ 433.487233] ? switchdev_trans_item_enqueue+0x260/0x260 [ 433.492584] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.497586] __br_mdb_notify+0x4ff/0x15d0 [ 433.501725] ? __br_mdb_add+0x800/0x800 [ 433.505685] ? kasan_check_write+0x14/0x20 [ 433.509905] ? do_raw_spin_lock+0xc1/0x200 [ 433.514133] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.519218] ? debug_object_assert_init+0x368/0x4b0 [ 433.524221] ? debug_object_init_on_stack+0x20/0x20 [ 433.529234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.534757] br_mdb_notify+0x310/0x410 [ 433.538628] ? br_mdb_dump+0x2530/0x2530 [ 433.542681] br_multicast_del_pg+0x3df/0x790 [ 433.547077] ? br_mdb_ip_get+0x940/0x940 [ 433.551126] ? do_raw_spin_lock+0x1a7/0x200 [ 433.555433] br_multicast_port_group_expired+0x189/0x1e0 [ 433.560869] call_timer_fn+0x272/0x920 [ 433.564755] ? br_multicast_del_pg+0x790/0x790 [ 433.569322] ? process_timeout+0x40/0x40 [ 433.573365] ? trace_hardirqs_off+0xb8/0x310 [ 433.577757] ? kasan_check_read+0x11/0x20 [ 433.581888] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.586286] ? trace_hardirqs_on+0x310/0x310 [ 433.590681] ? __run_timers+0x7da/0xc70 [ 433.594641] ? lock_downgrade+0x900/0x900 [ 433.598775] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.603874] ? trace_hardirqs_on+0xbd/0x310 [ 433.608738] ? kasan_check_read+0x11/0x20 [ 433.612877] ? __run_timers+0x7da/0xc70 [ 433.616837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.622269] ? kasan_check_write+0x14/0x20 [ 433.626487] ? do_raw_spin_lock+0xc1/0x200 [ 433.630708] ? br_multicast_del_pg+0x790/0x790 [ 433.635275] __run_timers+0x7e5/0xc70 [ 433.639064] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 433.644413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.649435] ? timerqueue_add+0x207/0x2b0 [ 433.653568] ? enqueue_hrtimer+0x1a5/0x560 [ 433.657785] ? lock_release+0x970/0x970 [ 433.661745] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.666924] ? kasan_check_write+0x14/0x20 [ 433.671149] ? pvclock_read_flags+0x160/0x160 [ 433.675630] ? lock_downgrade+0x900/0x900 [ 433.679782] ? trace_hardirqs_on+0xbd/0x310 [ 433.684089] ? kvm_sched_clock_read+0x9/0x20 [ 433.688482] ? irq_exit+0x17f/0x1c0 [ 433.692103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.697626] ? check_preemption_disabled+0x48/0x200 [ 433.702627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.708152] run_timer_softirq+0x52/0xb0 [ 433.712217] ? __this_cpu_preempt_check+0x1c/0x1f [ 433.717046] __do_softirq+0x30b/0xad8 [ 433.720837] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 433.725927] ? pvclock_read_flags+0x160/0x160 [ 433.730407] ? lapic_next_event+0x5a/0x90 [ 433.734551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.740071] ? clockevents_program_event+0x140/0x370 [ 433.745164] ? kvm_clock_read+0x18/0x30 [ 433.749129] ? kvm_sched_clock_read+0x9/0x20 [ 433.753523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.759058] ? check_preemption_disabled+0x48/0x200 [ 433.764061] irq_exit+0x17f/0x1c0 [ 433.767510] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.772335] ? smp_reschedule_interrupt+0x109/0x650 [ 433.777657] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.783527] ? interrupt_entry+0xb5/0xf0 [ 433.787576] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.792591] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.797591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.802417] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.807417] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.812540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.818065] ? check_preemption_disabled+0x48/0x200 [ 433.823068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.828592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.833423] apic_timer_interrupt+0xf/0x20 [ 433.837652] [ 433.839879] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 433.845064] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 433.863951] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 433.871645] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 433.878905] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 433.886162] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 433.893416] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 433.900669] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 433.907930] ? trace_hardirqs_on+0x9a/0x310 [ 433.912234] ? trace_hardirqs_on+0xb4/0x310 [ 433.916546] retint_kernel+0x1b/0x2d [ 433.920246] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 433.925508] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 433.944393] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 433.952089] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 433.959344] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 433.966598] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 433.973849] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 433.981102] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 433.988364] ? trace_hardirqs_on+0x9a/0x310 [ 433.992673] ? arch_local_irq_restore+0x45/0x52 [ 433.997330] dump_stack+0x26a/0x2b4 [ 434.000942] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.006117] ? mark_held_locks+0x130/0x130 [ 434.010339] ? mark_held_locks+0x130/0x130 [ 434.014563] dump_header+0x27b/0xf72 [ 434.018262] ? rcu_read_unlock+0x16/0x60 [ 434.022309] ? pagefault_out_of_memory+0x197/0x197 [ 434.027226] ? mark_held_locks+0x130/0x130 [ 434.031443] ? percpu_ref_put_many+0x13e/0x260 [ 434.036010] ? mem_cgroup_charge_statistics+0x780/0x780 [ 434.041361] ? mem_cgroup_iter+0x1f7/0x1160 [ 434.045668] ? mark_held_locks+0x130/0x130 [ 434.049894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.055413] ? task_will_free_mem+0x239/0xb30 [ 434.059902] ? ___ratelimit+0x36f/0x655 [ 434.063860] ? lock_downgrade+0x900/0x900 [ 434.068002] ? trace_hardirqs_on+0xbd/0x310 [ 434.072321] ? kasan_check_read+0x11/0x20 [ 434.076451] ? ___ratelimit+0x36f/0x655 [ 434.080412] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.085846] ? trace_hardirqs_on+0x310/0x310 [ 434.090247] ? lock_downgrade+0x900/0x900 [ 434.094383] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.099473] ? ___ratelimit+0xaa/0x655 [ 434.103345] ? idr_get_free+0xec0/0xec0 [ 434.107301] ? kasan_check_write+0x14/0x20 [ 434.111532] ? do_raw_spin_lock+0xc1/0x200 [ 434.115756] oom_kill_process.cold.27+0x10/0x903 [ 434.120498] ? lock_downgrade+0x900/0x900 [ 434.124633] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.130416] ? oom_evaluate_task+0x540/0x540 [ 434.134811] ? oom_unkillable_task+0x383/0x580 [ 434.139376] ? out_of_memory+0x974/0x1430 [ 434.143510] ? lock_downgrade+0x900/0x900 [ 434.147648] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.153431] ? __cpuset_node_allowed+0x19b/0x660 [ 434.158175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.163695] ? oom_evaluate_task+0x302/0x540 [ 434.168092] out_of_memory+0xa84/0x1430 [ 434.172053] ? oom_killer_disable+0x3a0/0x3a0 [ 434.176555] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 434.181472] ? __mutex_add_waiter+0x2a0/0x2a0 [ 434.185952] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.190950] ? find_next_bit+0x104/0x130 [ 434.195000] __alloc_pages_slowpath+0x2318/0x2d80 [ 434.199839] ? warn_alloc+0x120/0x120 [ 434.203630] ? __radix_tree_lookup+0x4c0/0x4c0 [ 434.208202] ? find_get_entry+0x2f2/0xc40 [ 434.212339] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 434.217253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.222777] ? should_fail+0x22d/0xd01 [ 434.226648] ? ___might_sleep+0x1ed/0x300 [ 434.230777] ? lock_release+0x970/0x970 [ 434.234737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.239828] ? debug_smp_processor_id+0x1c/0x20 [ 434.244503] ? __might_sleep+0x95/0x190 [ 434.248465] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 434.253297] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.258315] ? lock_downgrade+0x900/0x900 [ 434.262448] ? ___might_sleep+0x1ed/0x300 [ 434.266578] ? lock_release+0x970/0x970 [ 434.270536] ? arch_local_save_flags+0x40/0x40 [ 434.275103] ? finish_task_switch+0x1f5/0x900 [ 434.279591] ? __might_sleep+0x95/0x190 [ 434.283554] __alloc_pages_nodemask+0xa80/0xde0 [ 434.288213] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.293213] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.298996] ? mark_held_locks+0x130/0x130 [ 434.303215] ? kasan_check_write+0x14/0x20 [ 434.307453] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 434.312117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.317653] ? __do_page_cache_readahead+0x7ce/0x980 [ 434.322744] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 434.328281] alloc_pages_current+0x10c/0x210 [ 434.332673] ? lock_downgrade+0x900/0x900 [ 434.336808] __page_cache_alloc+0x38f/0x5b0 [ 434.341118] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.346901] ? ext4_filemap_fault+0x82/0xad [ 434.351210] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 434.355868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.361395] ? check_preemption_disabled+0x48/0x200 [ 434.366398] filemap_fault+0x1594/0x25f0 [ 434.370449] ? __lock_page_or_retry+0xa00/0xa00 [ 434.375108] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.380891] ? lock_downgrade+0x900/0x900 [ 434.385037] ? trace_hardirqs_on+0xbd/0x310 [ 434.389341] ? kasan_check_read+0x11/0x20 [ 434.393473] ? __free_object+0x173/0x340 [ 434.397521] ? filemap_map_pages+0xdea/0x1980 [ 434.402002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.407092] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 434.412356] ? debug_object_free+0x325/0x690 [ 434.416749] ? find_get_pages_range_tag+0x1320/0x1320 [ 434.421924] ? do_raw_spin_lock+0xc1/0x200 [ 434.426146] ? kasan_check_read+0x11/0x20 [ 434.430277] ? debug_object_destroy+0x2b0/0x2b0 [ 434.434929] ? kasan_check_write+0x14/0x20 [ 434.439150] ? lock_acquire+0x1ed/0x520 [ 434.443114] ? ext4_filemap_fault+0x7a/0xad [ 434.447434] ? lock_release+0x970/0x970 [ 434.451394] ? arch_local_save_flags+0x40/0x40 [ 434.455964] ? futex_wait_setup+0x3e0/0x3e0 [ 434.460277] ? down_read+0xb0/0x1d0 [ 434.463889] ? ext4_filemap_fault+0x7a/0xad [ 434.468199] ? __down_interruptible+0x700/0x700 [ 434.472863] ext4_filemap_fault+0x82/0xad [ 434.476995] __do_fault+0x100/0x6b0 [ 434.480607] ? print_bad_pte+0x6c0/0x6c0 [ 434.484667] ? do_futex+0x249/0x26d0 [ 434.488370] ? pmd_val+0x88/0x100 [ 434.491804] ? add_mm_counter_fast+0xd0/0xd0 [ 434.496197] ? pmd_val+0x88/0x100 [ 434.499634] ? add_mm_counter_fast+0xd0/0xd0 [ 434.504029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.509554] __handle_mm_fault+0x3709/0x53e0 [ 434.513947] ? perf_trace_lock+0x14d/0x7a0 [ 434.518169] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 434.523002] ? ksys_dup3+0x680/0x680 [ 434.526700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.532220] ? should_fail+0x22d/0xd01 [ 434.536103] ? lock_acquire+0x1ed/0x520 [ 434.540065] ? handle_mm_fault+0x42a/0xc70 [ 434.544287] ? lock_downgrade+0x900/0x900 [ 434.548423] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.554206] ? lock_downgrade+0x900/0x900 [ 434.558338] ? __do_page_fault+0x67d/0xed0 [ 434.562557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.567995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.573536] ? check_preemption_disabled+0x48/0x200 [ 434.578548] handle_mm_fault+0x54f/0xc70 [ 434.582600] ? __handle_mm_fault+0x53e0/0x53e0 [ 434.587165] ? find_vma+0x34/0x190 [ 434.590693] __do_page_fault+0x67d/0xed0 [ 434.594742] ? mm_fault_error+0x380/0x380 [ 434.598875] ? trace_hardirqs_off+0xb8/0x310 [ 434.603270] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 434.608617] ? trace_hardirqs_on+0x310/0x310 [ 434.613031] do_page_fault+0xf2/0x7e0 [ 434.616817] ? vmalloc_sync_all+0x30/0x30 [ 434.620958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.626479] ? error_entry+0x70/0xd0 [ 434.630179] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.635182] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.640101] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.645016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.649847] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.654847] ? trace_hardirqs_off+0x310/0x310 [ 434.659332] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.664342] ? page_fault+0x8/0x30 [ 434.667865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.672694] ? page_fault+0x8/0x30 [ 434.676217] page_fault+0x1e/0x30 [ 434.679655] RIP: 0033:0x40f9c0 [ 434.682843] Code: Bad RIP value. [ 434.686189] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 434.691538] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 434.698791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 434.706049] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 434.713318] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 434.720572] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 434.727949] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.727993] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.738159] syz-fuzzer cpuset= [ 434.748630] syz-executor3 cpuset= [ 434.748637] / mems_allowed=0 [ 434.755238] syz3 mems_allowed=0 [ 434.758246] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 434.768397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.777735] Call Trace: [ 434.780306] [ 434.782451] dump_stack+0x1c4/0x2b4 [ 434.786101] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.791292] warn_alloc.cold.119+0xb7/0x1bd [ 434.795603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.800437] ? lock_downgrade+0x900/0x900 [ 434.804579] ? trace_hardirqs_off+0xb8/0x310 [ 434.808983] ? trace_hardirqs_off+0xb8/0x310 [ 434.813388] __alloc_pages_slowpath+0x2667/0x2d80 [ 434.818237] ? timerqueue_add+0x207/0x2b0 [ 434.822378] ? warn_alloc+0x120/0x120 [ 434.826175] ? warn_alloc+0x120/0x120 [ 434.829971] ? warn_alloc+0x120/0x120 [ 434.833765] ? is_bpf_text_address+0xac/0x170 [ 434.838257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.843785] ? should_fail+0x22d/0xd01 [ 434.847668] ? kasan_check_read+0x11/0x20 [ 434.851814] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.856914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.862446] ? should_fail+0x22d/0xd01 [ 434.866329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.871421] ? should_fail+0x22d/0xd01 [ 434.875298] ? mark_held_locks+0x130/0x130 [ 434.879521] ? is_bpf_text_address+0xd3/0x170 [ 434.884007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.889099] ? __kernel_text_address+0xd/0x40 [ 434.893588] ? mark_held_locks+0x130/0x130 [ 434.897822] ? mark_held_locks+0x130/0x130 [ 434.902047] ? update_stack_state+0x1a5/0x690 [ 434.906541] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.911549] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 434.916302] ? is_bpf_text_address+0xac/0x170 [ 434.920790] ? lock_downgrade+0x900/0x900 [ 434.924941] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.930729] ? kasan_check_read+0x11/0x20 [ 434.934886] __alloc_pages_nodemask+0xa80/0xde0 [ 434.939545] ? should_fail+0x22d/0xd01 [ 434.943426] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.948433] ? is_bpf_text_address+0xd3/0x170 [ 434.952931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.957591] ? lock_downgrade+0x900/0x900 [ 434.961734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.967264] cache_grow_begin+0x91/0x8c0 [ 434.971319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.975721] fallback_alloc+0x203/0x2e0 [ 434.979689] ____cache_alloc_node+0x1c7/0x1e0 [ 434.984177] kmem_cache_alloc_node+0xe3/0x730 [ 434.988670] __alloc_skb+0x119/0x770 [ 434.992378] ? skb_scrub_packet+0x490/0x490 [ 434.996690] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 435.001268] ? queue_work_on+0x12c/0x1e0 [ 435.005324] ? switchdev_port_obj_del+0xdc/0x450 [ 435.010076] ? switchdev_trans_item_enqueue+0x260/0x260 [ 435.015431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.020443] __br_mdb_notify+0x4ff/0x15d0 [ 435.024592] ? __br_mdb_add+0x800/0x800 [ 435.028557] ? rcu_is_watching+0x30/0x30 [ 435.032609] ? debug_object_init_on_stack+0x20/0x20 [ 435.037623] ? br_multicast_group_expired+0x96/0x610 [ 435.042720] br_mdb_notify+0x310/0x410 [ 435.046598] ? br_mdb_dump+0x2530/0x2530 [ 435.050649] ? kasan_check_write+0x14/0x20 [ 435.054879] ? do_raw_spin_lock+0xc1/0x200 [ 435.059107] br_multicast_group_expired+0x1bc/0x610 [ 435.064117] ? br_mdb_free+0x80/0x80 [ 435.067829] call_timer_fn+0x272/0x920 [ 435.071705] ? br_mdb_free+0x80/0x80 [ 435.075410] ? process_timeout+0x40/0x40 [ 435.079462] ? trace_hardirqs_off+0xb8/0x310 [ 435.083857] ? kasan_check_read+0x11/0x20 [ 435.087997] ? do_raw_spin_unlock+0xa7/0x2f0 [ 435.092396] ? trace_hardirqs_on+0x310/0x310 [ 435.096802] ? __run_timers+0x7da/0xc70 [ 435.100766] ? lock_downgrade+0x900/0x900 [ 435.104909] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.110005] ? trace_hardirqs_on+0xbd/0x310 [ 435.114318] ? kasan_check_read+0x11/0x20 [ 435.118460] ? __run_timers+0x7da/0xc70 [ 435.122429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.127869] ? kasan_check_write+0x14/0x20 [ 435.132092] ? do_raw_spin_lock+0xc1/0x200 [ 435.136317] ? br_mdb_free+0x80/0x80 [ 435.140021] __run_timers+0x7e5/0xc70 [ 435.143822] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 435.149177] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.154185] ? timerqueue_add+0x207/0x2b0 [ 435.158324] ? enqueue_hrtimer+0x1a5/0x560 [ 435.162546] ? lock_release+0x970/0x970 [ 435.166517] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.171700] ? kasan_check_write+0x14/0x20 [ 435.175927] ? pvclock_read_flags+0x160/0x160 [ 435.180411] ? lock_downgrade+0x900/0x900 [ 435.184572] ? trace_hardirqs_on+0xbd/0x310 [ 435.188883] ? kvm_sched_clock_read+0x9/0x20 [ 435.193282] ? irq_exit+0x17f/0x1c0 [ 435.196901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.202430] ? check_preemption_disabled+0x48/0x200 [ 435.207435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.212966] run_timer_softirq+0x52/0xb0 [ 435.217021] ? __this_cpu_preempt_check+0x1c/0x1f [ 435.221859] __do_softirq+0x30b/0xad8 [ 435.225660] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 435.230755] ? pvclock_read_flags+0x160/0x160 [ 435.235246] ? lapic_next_event+0x5a/0x90 [ 435.239387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.244924] ? clockevents_program_event+0x140/0x370 [ 435.250033] ? kvm_clock_read+0x18/0x30 [ 435.253998] ? kvm_sched_clock_read+0x9/0x20 [ 435.258425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.263954] ? check_preemption_disabled+0x48/0x200 [ 435.268968] irq_exit+0x17f/0x1c0 [ 435.272414] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.277245] ? smp_reschedule_interrupt+0x109/0x650 [ 435.282253] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.288125] ? interrupt_entry+0xb5/0xf0 [ 435.292180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.297195] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.302203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.307039] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.312048] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.317055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.322582] ? check_preemption_disabled+0x48/0x200 [ 435.327588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.333119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.337955] apic_timer_interrupt+0xf/0x20 [ 435.342176] [ 435.344405] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 435.349588] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 435.368480] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 435.376179] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 435.383438] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 435.390698] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 435.397957] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 435.405214] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 435.412496] ? trace_hardirqs_on+0x9a/0x310 [ 435.416818] ? trace_hardirqs_on+0xb4/0x310 [ 435.421136] retint_kernel+0x1b/0x2d [ 435.424844] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 435.430109] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 435.449018] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 435.456719] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 435.463981] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 435.471245] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 435.478505] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 435.485770] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 435.493060] ? trace_hardirqs_on+0x9a/0x310 [ 435.497389] ? arch_local_irq_restore+0x45/0x52 [ 435.502056] dump_stack+0x26a/0x2b4 [ 435.505676] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.510861] ? mark_held_locks+0x130/0x130 [ 435.515084] ? mark_held_locks+0x130/0x130 [ 435.519314] dump_header+0x27b/0xf72 [ 435.523028] ? rcu_read_unlock+0x16/0x60 [ 435.527086] ? pagefault_out_of_memory+0x197/0x197 [ 435.532014] ? mark_held_locks+0x130/0x130 [ 435.536241] ? percpu_ref_put_many+0x13e/0x260 [ 435.540823] ? mem_cgroup_charge_statistics+0x780/0x780 [ 435.546190] ? mem_cgroup_iter+0x1f7/0x1160 [ 435.550506] ? mark_held_locks+0x130/0x130 [ 435.554734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.560269] ? task_will_free_mem+0x239/0xb30 [ 435.564766] ? ___ratelimit+0x36f/0x655 [ 435.568733] ? lock_downgrade+0x900/0x900 [ 435.572883] ? trace_hardirqs_on+0xbd/0x310 [ 435.577294] ? kasan_check_read+0x11/0x20 [ 435.581431] ? ___ratelimit+0x36f/0x655 [ 435.585399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.590842] ? trace_hardirqs_on+0x310/0x310 [ 435.595243] ? lock_downgrade+0x900/0x900 [ 435.599383] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.604479] ? ___ratelimit+0xaa/0x655 [ 435.608889] ? idr_get_free+0xec0/0xec0 [ 435.612855] ? kasan_check_write+0x14/0x20 [ 435.617082] ? do_raw_spin_lock+0xc1/0x200 [ 435.621398] oom_kill_process.cold.27+0x10/0x903 [ 435.626147] ? lock_downgrade+0x900/0x900 [ 435.630292] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.636093] ? oom_evaluate_task+0x540/0x540 [ 435.640498] ? oom_unkillable_task+0x383/0x580 [ 435.645070] ? out_of_memory+0x974/0x1430 [ 435.649211] ? lock_downgrade+0x900/0x900 [ 435.653353] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.659141] ? __cpuset_node_allowed+0x19b/0x660 [ 435.663894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.669420] ? oom_evaluate_task+0x302/0x540 [ 435.673821] out_of_memory+0xa84/0x1430 [ 435.677790] ? oom_killer_disable+0x3a0/0x3a0 [ 435.682281] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 435.687203] ? __mutex_add_waiter+0x2a0/0x2a0 [ 435.691687] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.696693] ? find_next_bit+0x104/0x130 [ 435.700755] __alloc_pages_slowpath+0x2318/0x2d80 [ 435.705604] ? warn_alloc+0x120/0x120 [ 435.709393] ? __radix_tree_lookup+0x4c0/0x4c0 [ 435.713971] ? find_get_entry+0x2f2/0xc40 [ 435.718118] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 435.723037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.728567] ? should_fail+0x22d/0xd01 [ 435.732446] ? ___might_sleep+0x1ed/0x300 [ 435.736581] ? lock_release+0x970/0x970 [ 435.740546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.745639] ? debug_smp_processor_id+0x1c/0x20 [ 435.750301] ? __might_sleep+0x95/0x190 [ 435.754267] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 435.759101] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.764125] ? lock_downgrade+0x900/0x900 [ 435.768265] ? ___might_sleep+0x1ed/0x300 [ 435.772401] ? lock_release+0x970/0x970 [ 435.776620] ? arch_local_save_flags+0x40/0x40 [ 435.781197] ? finish_task_switch+0x1f5/0x900 [ 435.785687] ? __might_sleep+0x95/0x190 [ 435.789663] __alloc_pages_nodemask+0xa80/0xde0 [ 435.794326] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.799337] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.805126] ? mark_held_locks+0x130/0x130 [ 435.809352] ? kasan_check_write+0x14/0x20 [ 435.813581] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 435.818246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.823774] ? __do_page_cache_readahead+0x7ce/0x980 [ 435.828873] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 435.834402] alloc_pages_current+0x10c/0x210 [ 435.838802] ? lock_downgrade+0x900/0x900 [ 435.842942] __page_cache_alloc+0x38f/0x5b0 [ 435.847259] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.853054] ? ext4_filemap_fault+0x82/0xad [ 435.857365] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 435.862027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.867556] ? check_preemption_disabled+0x48/0x200 [ 435.872567] filemap_fault+0x1594/0x25f0 [ 435.876629] ? __lock_page_or_retry+0xa00/0xa00 [ 435.881289] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.887076] ? lock_downgrade+0x900/0x900 [ 435.891216] ? trace_hardirqs_on+0xbd/0x310 [ 435.895527] ? kasan_check_read+0x11/0x20 [ 435.899668] ? __free_object+0x173/0x340 [ 435.903729] ? filemap_map_pages+0xdea/0x1980 [ 435.908219] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.913317] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 435.918584] ? debug_object_free+0x325/0x690 [ 435.922991] ? find_get_pages_range_tag+0x1320/0x1320 [ 435.928174] ? do_raw_spin_lock+0xc1/0x200 [ 435.932401] ? kasan_check_read+0x11/0x20 [ 435.936744] ? debug_object_destroy+0x2b0/0x2b0 [ 435.941405] ? kasan_check_write+0x14/0x20 [ 435.945636] ? lock_acquire+0x1ed/0x520 [ 435.949601] ? ext4_filemap_fault+0x7a/0xad [ 435.953915] ? lock_release+0x970/0x970 [ 435.957883] ? arch_local_save_flags+0x40/0x40 [ 435.962472] ? futex_wait_setup+0x3e0/0x3e0 [ 435.966794] ? down_read+0xb0/0x1d0 [ 435.970409] ? ext4_filemap_fault+0x7a/0xad [ 435.974726] ? __down_interruptible+0x700/0x700 [ 435.979393] ext4_filemap_fault+0x82/0xad [ 435.983532] __do_fault+0x100/0x6b0 [ 435.987150] ? print_bad_pte+0x6c0/0x6c0 [ 435.991199] ? do_futex+0x249/0x26d0 [ 435.994905] ? pmd_val+0x88/0x100 [ 435.998346] ? add_mm_counter_fast+0xd0/0xd0 [ 436.002747] ? pmd_val+0x88/0x100 [ 436.006189] ? add_mm_counter_fast+0xd0/0xd0 [ 436.010591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.016137] __handle_mm_fault+0x3709/0x53e0 [ 436.020533] ? perf_trace_lock+0x14d/0x7a0 [ 436.024777] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 436.029614] ? ksys_dup3+0x680/0x680 [ 436.033316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.038843] ? should_fail+0x22d/0xd01 [ 436.042730] ? lock_acquire+0x1ed/0x520 [ 436.046707] ? handle_mm_fault+0x42a/0xc70 [ 436.050931] ? lock_downgrade+0x900/0x900 [ 436.055079] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 436.060867] ? lock_downgrade+0x900/0x900 [ 436.065003] ? __do_page_fault+0x67d/0xed0 [ 436.069245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.074786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.080315] ? check_preemption_disabled+0x48/0x200 [ 436.085326] handle_mm_fault+0x54f/0xc70 [ 436.089556] ? __handle_mm_fault+0x53e0/0x53e0 [ 436.094129] ? find_vma+0x34/0x190 [ 436.097662] __do_page_fault+0x67d/0xed0 [ 436.101811] ? mm_fault_error+0x380/0x380 [ 436.106033] ? trace_hardirqs_off+0xb8/0x310 [ 436.110429] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.115781] ? trace_hardirqs_on+0x310/0x310 [ 436.120185] do_page_fault+0xf2/0x7e0 [ 436.123975] ? vmalloc_sync_all+0x30/0x30 [ 436.128113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.133639] ? error_entry+0x70/0xd0 [ 436.137347] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.142354] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.147273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.152193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.157025] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.162030] ? trace_hardirqs_off+0x310/0x310 [ 436.166615] ? prepare_exit_to_usermode+0x291/0x3b0 [ 436.171619] ? page_fault+0x8/0x30 [ 436.175155] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.179988] ? page_fault+0x8/0x30 [ 436.183523] page_fault+0x1e/0x30 [ 436.186982] RIP: 0033:0x40f9c0 [ 436.190168] Code: Bad RIP value. [ 436.193519] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 436.198873] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 436.206218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 436.213474] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 436.220731] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 436.227992] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 436.235352] warn_alloc_show_mem: 1 callbacks suppressed [ 436.235362] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 436.235363] Mem-Info: [ 436.235390] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 436.235390] active_file:98 inactive_file:120 isolated_file:0 [ 436.235390] unevictable:0 dirty:0 writeback:0 unstable:0 [ 436.235390] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 436.235390] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 436.235390] free:13602 free_pcp:142 free_cma:0 [ 436.240728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.247995] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 436.250482] Call Trace: [ 436.283424] Node 0 [ 436.292782] [ 436.320549] 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 [ 436.323099] dump_stack+0x1c4/0x2b4 [ 436.325303] lowmem_reserve[]: [ 436.327444] ? dump_stack_print_info.cold.2+0x52/0x52 [ 436.353016] 0 2819 [ 436.356642] warn_alloc.cold.119+0xb7/0x1bd [ 436.359709] 6323 [ 436.364999] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.367203] 6323 [ 436.371511] ? lock_downgrade+0x900/0x900 [ 436.378375] ? trace_hardirqs_off+0xb8/0x310 [ 436.380406] Node 0 [ 436.384540] ? trace_hardirqs_off+0xb8/0x310 [ 436.388942] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 436.391139] __alloc_pages_slowpath+0x2667/0x2d80 [ 436.395513] lowmem_reserve[]: [ 436.422051] ? warn_alloc+0x120/0x120 [ 436.426852] 0 [ 436.429945] ? warn_alloc+0x120/0x120 [ 436.433715] 0 [ 436.435513] ? warn_alloc+0x120/0x120 [ 436.439280] 3503 [ 436.441084] ? is_bpf_text_address+0xac/0x170 [ 436.444850] 3503 [ 436.446898] ? idle_cpu+0x1d0/0x1d0 [ 436.453409] ? kvm_sched_clock_read+0x9/0x20 [ 436.457006] Node 0 [ 436.461396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.461419] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:468kB free_cma:0kB [ 436.461425] lowmem_reserve[]: [ 436.463647] ? should_fail+0x22d/0xd01 [ 436.469158] 0 [ 436.497594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.500673] 0 [ 436.504544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.506315] 0 [ 436.511403] ? should_fail+0x22d/0xd01 [ 436.513192] 0 [ 436.518715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.524374] ? should_fail+0x22d/0xd01 [ 436.526162] Node 0 [ 436.531248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.535103] DMA: [ 436.537325] ? mark_held_locks+0x130/0x130 [ 436.542394] 1*4kB [ 436.544442] ? update_curr+0x200/0xbe0 [ 436.548645] (U) [ 436.550798] ? mark_held_locks+0x130/0x130 [ 436.554661] 0*8kB [ 436.556618] ? select_task_rq_fair+0x754/0x3500 [ 436.560825] 0*16kB [ 436.562960] ? lock_downgrade+0x900/0x900 [ 436.567616] 1*32kB [ 436.569837] ? __cpu_to_node+0x7d/0xa0 [ 436.574046] (U) [ 436.576270] ? account_entity_enqueue+0x3a3/0x660 [ 436.580124] 2*64kB [ 436.582083] ? __enqueue_entity+0x10d/0x1f0 [ 436.586892] (U) [ 436.589114] ? check_preemption_disabled+0x48/0x200 [ 436.593401] 1*128kB [ 436.595364] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 436.600346] (U) [ 436.602668] __alloc_pages_nodemask+0xa80/0xde0 [ 436.607218] 1*256kB [ 436.609180] ? should_fail+0x22d/0xd01 [ 436.613815] (U) [ 436.616124] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 436.619981] 0*512kB [ 436.621950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.626926] 1*1024kB [ 436.629238] ? lock_downgrade+0x900/0x900 [ 436.633875] (U) [ 436.636275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.640391] 1*2048kB [ 436.642355] cache_grow_begin+0x91/0x8c0 [ 436.647876] (M) [ 436.650276] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.654304] 3*4096kB [ 436.656264] fallback_alloc+0x203/0x2e0 [ 436.660645] (M) [ 436.663042] ____cache_alloc_node+0x1c7/0x1e0 [ 436.666987] = 15908kB [ 436.668951] kmem_cache_alloc_node+0xe3/0x730 [ 436.673414] Node 0 [ 436.675818] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.680278] DMA32: [ 436.682507] __alloc_skb+0x119/0x770 [ 436.686708] 5*4kB [ 436.688930] ? skb_scrub_packet+0x490/0x490 [ 436.692611] (UM) [ 436.694745] ? lock_downgrade+0x900/0x900 [ 436.699034] 0*8kB [ 436.701082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.705200] 5*16kB [ 436.707335] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.712837] (UMH) [ 436.715059] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.720477] 5*32kB [ 436.722614] ? addrconf_rs_timer+0x690/0x690 [ 436.728031] (UMH) [ 436.730261] ndisc_alloc_skb+0x144/0x340 [ 436.734640] 7*64kB [ 436.736777] ndisc_send_rs+0x331/0x6e0 [ 436.740803] (UM) [ 436.743024] addrconf_rs_timer+0x314/0x690 [ 436.746874] 4*128kB (UM) [ 436.748929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.753134] 5*256kB [ 436.755881] call_timer_fn+0x272/0x920 [ 436.760084] (UMH) [ 436.762398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.766249] 4*512kB [ 436.768386] ? process_timeout+0x40/0x40 [ 436.772586] (UM) [ 436.774894] ? trace_hardirqs_off+0xb8/0x310 [ 436.778928] 4*1024kB [ 436.780973] ? kasan_check_read+0x11/0x20 [ 436.785350] (UMH) [ 436.787745] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.791859] 4*2048kB [ 436.793993] ? trace_hardirqs_on+0x310/0x310 [ 436.798367] (UM) [ 436.800770] ? __run_timers+0x7da/0xc70 [ 436.805146] 2*4096kB [ 436.807195] ? lock_downgrade+0x900/0x900 [ 436.811135] (M) [ 436.813531] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.817652] = 25028kB [ 436.819614] ? trace_hardirqs_on+0xbd/0x310 [ 436.824693] Node 0 [ 436.827088] ? kasan_check_read+0x11/0x20 [ 436.831378] Normal: [ 436.833604] ? __run_timers+0x7da/0xc70 [ 436.837720] 809*4kB [ 436.840034] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.843974] (UMEH) [ 436.846288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.851706] 372*8kB [ 436.853948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.859463] (UMEH) [ 436.861773] __run_timers+0x7e5/0xc70 [ 436.865978] 191*16kB [ 436.868202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 436.871965] (UMEH) [ 436.874363] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.879694] 81*32kB [ 436.881914] ? timerqueue_add+0x207/0x2b0 [ 436.886898] (UME) [ 436.889204] ? enqueue_hrtimer+0x1a5/0x560 [ 436.893321] 21*64kB [ 436.895452] ? lock_release+0x970/0x970 [ 436.899660] (UMH) [ 436.901968] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.905915] 3*128kB [ 436.908051] ? kasan_check_write+0x14/0x20 [ 436.913212] (UH) [ 436.915521] ? pvclock_read_flags+0x160/0x160 [ 436.919725] 0*256kB [ 436.921774] ? lock_downgrade+0x900/0x900 [ 436.926325] 0*512kB [ 436.928638] ? trace_hardirqs_on+0xbd/0x310 [ 436.932780] 0*1024kB [ 436.935087] ? kvm_sched_clock_read+0x9/0x20 [ 436.939374] 0*2048kB [ 436.941776] ? irq_exit+0x17f/0x1c0 [ 436.946153] 0*4096kB [ 436.948548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.952141] = 13588kB [ 436.954538] ? check_preemption_disabled+0x48/0x200 [ 436.960043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.962436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.967428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.976242] run_timer_softirq+0x52/0xb0 [ 436.981747] 348 total pagecache pages [ 436.990305] ? __this_cpu_preempt_check+0x1c/0x1f [ 436.994335] 0 pages in swap cache [ 436.998120] __do_softirq+0x30b/0xad8 [ 437.002937] Swap cache stats: add 0, delete 0, find 0/0 [ 437.006378] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 437.010141] Free swap = 0kB [ 437.015485] ? pvclock_read_flags+0x160/0x160 [ 437.020559] Total swap = 0kB [ 437.023562] ? lapic_next_event+0x5a/0x90 [ 437.028138] 1965979 pages RAM [ 437.031142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.035256] 0 pages HighMem/MovableOnly [ 437.038345] ? clockevents_program_event+0x140/0x370 [ 437.043851] 342307 pages reserved [ 437.047813] ? kvm_clock_read+0x18/0x30 [ 437.052893] 0 pages cma reserved [ 437.056330] ? kvm_sched_clock_read+0x9/0x20 [ 437.060408] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.063628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.068004] syz-fuzzer cpuset= [ 437.078213] ? check_preemption_disabled+0x48/0x200 [ 437.083734] / [ 437.086917] irq_exit+0x17f/0x1c0 [ 437.091900] mems_allowed=0 [ 437.093606] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.104765] ? smp_reschedule_interrupt+0x109/0x650 [ 437.109787] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.115707] ? interrupt_entry+0xb5/0xf0 [ 437.119758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.124763] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.129770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.134610] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.139622] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.144627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.150156] ? check_preemption_disabled+0x48/0x200 [ 437.155162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.160696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.165536] apic_timer_interrupt+0xf/0x20 [ 437.169756] [ 437.171985] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 437.176907] 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 [ 437.195797] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 437.203495] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 437.210755] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 437.218020] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 437.225278] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 437.232551] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 437.239818] ? trace_hardirqs_on+0xb4/0x310 [ 437.244134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.249670] skb_clone+0x1bb/0x500 [ 437.253201] ? skb_split+0x11e0/0x11e0 [ 437.257079] ? check_preemption_disabled+0x48/0x200 [ 437.262091] ? __this_cpu_preempt_check+0x1c/0x1f [ 437.266924] ? __bpf_redirect+0x54b/0xb20 [ 437.271060] ? __switch_to_asm+0x34/0x70 [ 437.275112] bpf_clone_redirect+0xb9/0x490 [ 437.279350] bpf_prog_466abe619656067b+0x436/0x1000 [ 437.284365] ? __sched_text_start+0x8/0x8 [ 437.288501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.293248] ? retint_kernel+0x2d/0x2d [ 437.297131] ? lock_acquire+0x1ed/0x520 [ 437.301093] ? bpf_test_run+0x32e/0x5a0 [ 437.305074] ? lock_downgrade+0x900/0x900 [ 437.309219] ? lock_release+0x970/0x970 [ 437.313182] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 437.318972] ? preempt_schedule_common+0x1f/0xd0 [ 437.323717] ? preempt_schedule+0x4d/0x60 [ 437.327857] ? ___preempt_schedule+0x16/0x18 [ 437.332260] ? bpf_test_run+0x1c0/0x5a0 [ 437.336231] ? netlink_diag_dump+0x2a0/0x2a0 [ 437.340628] ? bpf_prog_test_run_skb+0x295/0xb40 [ 437.345372] ? bpf_prog_test_run_skb+0x634/0xb40 [ 437.350123] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 437.354954] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 437.360482] ? fput+0x130/0x1a0 [ 437.363763] ? __bpf_prog_get+0x9b/0x290 [ 437.367813] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 437.372648] ? bpf_prog_test_run+0x130/0x1a0 [ 437.377046] ? __x64_sys_bpf+0x3d8/0x510 [ 437.381101] ? bpf_prog_get+0x20/0x20 [ 437.384902] ? do_syscall_64+0x1b9/0x820 [ 437.388952] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.394308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.399229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.404062] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.409069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 437.414081] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.419090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.423929] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.429375] Mem-Info: [ 437.429384] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 437.429394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.431798] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 437.431798] active_file:98 inactive_file:120 isolated_file:0 [ 437.431798] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.431798] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 437.431798] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 437.431798] free:13602 free_pcp:142 free_cma:0 [ 437.438690] Call Trace: [ 437.448063] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.480998] [ 437.483560] Node 0 [ 437.511242] dump_stack+0x1c4/0x2b4 [ 437.513380] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.515587] ? dump_stack_print_info.cold.2+0x52/0x52 [ 437.519179] lowmem_reserve[]: [ 437.544851] warn_alloc.cold.119+0xb7/0x1bd [ 437.550127] 0 [ 437.553219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.557505] 2819 [ 437.559293] ? lock_downgrade+0x900/0x900 [ 437.564104] 6323 [ 437.566165] ? trace_hardirqs_off+0xb8/0x310 [ 437.570279] 6323 [ 437.572341] ? trace_hardirqs_off+0xb8/0x310 [ 437.578782] __alloc_pages_slowpath+0x2667/0x2d80 [ 437.583157] Node 0 DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 437.588002] ? debug_object_activate+0x402/0x600 [ 437.588017] ? warn_alloc+0x120/0x120 [ 437.615599] lowmem_reserve[]: 0 [ 437.620383] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.624138] 0 3503 [ 437.627408] ? warn_alloc+0x120/0x120 [ 437.632386] 3503 [ 437.634613] ? get_stack_info+0x37/0x142 [ 437.638385] Node 0 [ 437.640560] ? warn_alloc+0x120/0x120 [ 437.644611] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 437.646822] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.650584] lowmem_reserve[]: [ 437.679020] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 437.684001] 0 [ 437.687089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.691818] 0 [ 437.693606] ? should_fail+0x22d/0xd01 [ 437.699108] 0 [ 437.700898] ? is_bpf_text_address+0xac/0x170 [ 437.704751] 0 [ 437.706539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.712812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.717882] Node 0 [ 437.723396] ? should_fail+0x22d/0xd01 [ 437.723403] DMA: [ 437.725640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.729500] 1*4kB [ 437.731551] ? should_fail+0x22d/0xd01 [ 437.736622] (U) [ 437.738758] ? kasan_check_read+0x11/0x20 [ 437.742615] 0*8kB [ 437.744599] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 437.748729] 0*16kB [ 437.750864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.756111] 1*32kB [ 437.758334] ? unwind_dump+0x190/0x190 [ 437.763405] (U) [ 437.765629] ? mark_held_locks+0x130/0x130 [ 437.769486] 2*64kB [ 437.771446] ? mark_held_locks+0x130/0x130 [ 437.776184] (U) [ 437.778414] ? update_stack_state+0x1a5/0x690 [ 437.782613] 1*128kB [ 437.784575] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.789035] (U) [ 437.791343] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 437.796338] 1*256kB [ 437.798301] ? is_bpf_text_address+0xac/0x170 [ 437.803024] (U) [ 437.805331] ? lock_downgrade+0x900/0x900 [ 437.809791] 0*512kB 1*1024kB [ 437.811769] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 437.815883] (U) [ 437.818967] ? kasan_check_read+0x11/0x20 [ 437.818979] __alloc_pages_nodemask+0xa80/0xde0 [ 437.818988] ? should_fail+0x22d/0xd01 [ 437.818998] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 437.819005] ? is_bpf_text_address+0xd3/0x170 [ 437.819020] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.819028] ? lock_downgrade+0x900/0x900 [ 437.819038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.819047] cache_grow_begin+0x91/0x8c0 [ 437.819055] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.819065] fallback_alloc+0x203/0x2e0 [ 437.819075] ____cache_alloc_node+0x1c7/0x1e0 [ 437.819085] kmem_cache_alloc_node+0xe3/0x730 [ 437.819096] __alloc_skb+0x119/0x770 [ 437.819105] ? skb_scrub_packet+0x490/0x490 [ 437.819113] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 437.819122] ? queue_work_on+0x12c/0x1e0 [ 437.819132] ? switchdev_port_obj_del+0xdc/0x450 [ 437.819140] ? switchdev_trans_item_enqueue+0x260/0x260 [ 437.819148] ? do_raw_spin_lock+0xc1/0x200 [ 437.819155] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.819166] __br_mdb_notify+0x4ff/0x15d0 [ 437.819176] ? __br_mdb_add+0x800/0x800 [ 437.819184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.819194] ? check_preemption_disabled+0x48/0x200 [ 437.819207] ? br_multicast_group_expired+0x96/0x610 [ 437.819214] ? lock_downgrade+0x900/0x900 [ 437.819223] br_mdb_notify+0x310/0x410 [ 437.819230] ? br_mdb_dump+0x2530/0x2530 [ 437.819238] ? kasan_check_write+0x14/0x20 [ 437.819246] ? do_raw_spin_lock+0xc1/0x200 [ 437.819255] br_multicast_group_expired+0x1bc/0x610 [ 437.819263] ? br_mdb_free+0x80/0x80 [ 437.819275] call_timer_fn+0x272/0x920 [ 437.819281] ? br_mdb_free+0x80/0x80 [ 437.819290] ? process_timeout+0x40/0x40 [ 437.819299] ? trace_hardirqs_off+0xb8/0x310 [ 437.819308] ? kasan_check_read+0x11/0x20 [ 437.819319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.819333] ? trace_hardirqs_on+0x310/0x310 [ 437.825098] 1*2048kB (M) [ 437.827067] ? __run_timers+0x7da/0xc70 [ 437.831182] 3*4096kB [ 437.835830] ? lock_downgrade+0x900/0x900 [ 437.839687] (M) [ 437.844690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.849151] = 15908kB [ 437.853806] ? trace_hardirqs_on+0xbd/0x310 [ 437.857923] Node 0 [ 437.863440] ? kasan_check_read+0x11/0x20 [ 437.867468] DMA32: [ 437.871858] ? __run_timers+0x7da/0xc70 [ 437.875802] 5*4kB [ 437.880279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.884744] (UM) [ 437.888446] ? kasan_check_write+0x14/0x20 [ 437.892742] 0*8kB [ 437.897300] ? do_raw_spin_lock+0xc1/0x200 [ 437.897314] ? br_mdb_free+0x80/0x80 [ 437.901349] 5*16kB [ 437.906101] __run_timers+0x7e5/0xc70 [ 437.911435] (UMH) [ 437.915663] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 437.920645] 5*32kB [ 437.924775] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.928715] (UMH) [ 437.934236] ? timerqueue_add+0x207/0x2b0 [ 437.939226] 7*64kB [ 437.944311] ? enqueue_hrtimer+0x1a5/0x560 [ 437.948426] (UM) [ 437.952300] ? lock_release+0x970/0x970 [ 437.956328] 4*128kB [ 437.960569] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.964786] (UM) 5*256kB [ 437.969797] ? kasan_check_write+0x14/0x20 [ 437.973479] (UMH) [ 437.977351] ? pvclock_read_flags+0x160/0x160 [ 437.981032] 4*512kB [ 437.985074] ? lock_downgrade+0x900/0x900 [ 437.989451] (UM) [ 437.993586] ? trace_hardirqs_on+0xbd/0x310 [ 437.997961] 4*1024kB [ 438.002355] ? kvm_sched_clock_read+0x9/0x20 [ 438.005095] (UMH) [ 438.009054] ? irq_exit+0x17f/0x1c0 [ 438.011435] 4*2048kB [ 438.015567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.017510] (UM) [ 438.022604] ? check_preemption_disabled+0x48/0x200 [ 438.024981] 2*4096kB [ 438.029284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.031490] (M) [ 438.035622] run_timer_softirq+0x52/0xb0 [ 438.037828] = 25028kB [ 438.041789] ? __this_cpu_preempt_check+0x1c/0x1f [ 438.043904] Node 0 [ 438.049338] __do_softirq+0x30b/0xad8 [ 438.051373] Normal: [ 438.055591] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 438.057711] 809*4kB [ 438.061937] ? pvclock_read_flags+0x160/0x160 [ 438.065617] (UMEH) [ 438.067841] ? lapic_next_event+0x5a/0x90 [ 438.071608] 372*8kB [ 438.073740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.079071] (UMEH) [ 438.081294] ? clockevents_program_event+0x140/0x370 [ 438.086284] 191*16kB [ 438.088419] ? kvm_clock_read+0x18/0x30 [ 438.092531] (UMEH) [ 438.094750] ? kvm_sched_clock_read+0x9/0x20 [ 438.098951] 81*32kB [ 438.100997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.104936] (UME) [ 438.107246] ? check_preemption_disabled+0x48/0x200 [ 438.112400] 21*64kB [ 438.115148] irq_exit+0x17f/0x1c0 [ 438.119342] (UMH) 3*128kB [ 438.121486] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.125947] (UH) [ 438.128256] ? smp_reschedule_interrupt+0x109/0x650 [ 438.132374] 0*256kB [ 438.134421] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.138709] 0*512kB [ 438.141099] ? interrupt_entry+0xb5/0xf0 [ 438.145476] 0*1024kB [ 438.147609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.151205] 0*2048kB [ 438.153597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.159114] 0*4096kB [ 438.161175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.166160] = 13588kB [ 438.168555] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.174066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 438.176024] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.180060] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 438.182448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.187260] 348 total pagecache pages [ 438.189481] ? check_preemption_disabled+0x48/0x200 [ 438.193251] 0 pages in swap cache [ 438.195656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.200728] Swap cache stats: add 0, delete 0, find 0/0 [ 438.203032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.207495] Free swap = 0kB [ 438.209720] apic_timer_interrupt+0xf/0x20 [ 438.213837] Total swap = 0kB [ 438.216137] [ 438.221648] 1965979 pages RAM [ 438.223873] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 438.228944] 0 pages HighMem/MovableOnly [ 438.231335] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 438.235282] 342307 pages reserved [ 438.237496] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 [ 438.241880] 0 pages cma reserved [ 438.244185] ORIG_RAX: ffffffffffffff13 [ 438.249774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 438.251845] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 438.256873] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.259136] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 438.262560] syz-executor3 cpuset= [ 438.265386] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 438.270200] syz3 [ 438.272246] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 438.277237] mems_allowed=0 [ 438.279540] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 438.498623] ? trace_hardirqs_on+0x9a/0x310 [ 438.502933] ? trace_hardirqs_on+0xb4/0x310 [ 438.507253] retint_kernel+0x1b/0x2d [ 438.510963] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 438.516233] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 438.535124] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 438.542826] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 438.550087] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 438.557347] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 438.564604] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 438.571865] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 438.579135] ? trace_hardirqs_on+0x9a/0x310 [ 438.583450] ? arch_local_irq_restore+0x45/0x52 [ 438.588120] dump_stack+0x26a/0x2b4 [ 438.591746] ? dump_stack_print_info.cold.2+0x52/0x52 [ 438.597016] ? mark_held_locks+0x130/0x130 [ 438.601242] ? mark_held_locks+0x130/0x130 [ 438.605487] dump_header+0x27b/0xf72 [ 438.609192] ? rcu_read_unlock+0x16/0x60 [ 438.613252] ? pagefault_out_of_memory+0x197/0x197 [ 438.618173] ? mark_held_locks+0x130/0x130 [ 438.622397] ? percpu_ref_put_many+0x13e/0x260 [ 438.626972] ? mem_cgroup_charge_statistics+0x780/0x780 [ 438.632491] ? mem_cgroup_iter+0x1f7/0x1160 [ 438.636804] ? mark_held_locks+0x130/0x130 [ 438.641034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.646563] ? task_will_free_mem+0x239/0xb30 [ 438.651057] ? ___ratelimit+0x36f/0x655 [ 438.655024] ? lock_downgrade+0x900/0x900 [ 438.659166] ? trace_hardirqs_on+0xbd/0x310 [ 438.663482] ? kasan_check_read+0x11/0x20 [ 438.667626] ? ___ratelimit+0x36f/0x655 [ 438.671592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.677034] ? trace_hardirqs_on+0x310/0x310 [ 438.681435] ? lock_downgrade+0x900/0x900 [ 438.685583] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.690676] ? ___ratelimit+0xaa/0x655 [ 438.694555] ? idr_get_free+0xec0/0xec0 [ 438.698520] ? kasan_check_write+0x14/0x20 [ 438.702749] ? do_raw_spin_lock+0xc1/0x200 [ 438.706977] oom_kill_process.cold.27+0x10/0x903 [ 438.711727] ? lock_downgrade+0x900/0x900 [ 438.715872] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 438.721661] ? oom_evaluate_task+0x540/0x540 [ 438.726064] ? oom_unkillable_task+0x383/0x580 [ 438.730636] ? out_of_memory+0x974/0x1430 [ 438.734774] ? lock_downgrade+0x900/0x900 [ 438.738916] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 438.744716] ? __cpuset_node_allowed+0x19b/0x660 [ 438.749473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.754999] ? oom_evaluate_task+0x302/0x540 [ 438.759399] out_of_memory+0xa84/0x1430 [ 438.763369] ? oom_killer_disable+0x3a0/0x3a0 [ 438.767858] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 438.772783] ? __mutex_add_waiter+0x2a0/0x2a0 [ 438.777272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.782277] ? find_next_bit+0x104/0x130 [ 438.786332] __alloc_pages_slowpath+0x2318/0x2d80 [ 438.791180] ? warn_alloc+0x120/0x120 [ 438.794969] ? __radix_tree_lookup+0x4c0/0x4c0 [ 438.799551] ? find_get_entry+0x2f2/0xc40 [ 438.803695] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 438.808623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.814176] ? should_fail+0x22d/0xd01 [ 438.818055] ? ___might_sleep+0x1ed/0x300 [ 438.822194] ? lock_release+0x970/0x970 [ 438.826162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.831257] ? debug_smp_processor_id+0x1c/0x20 [ 438.835922] ? __might_sleep+0x95/0x190 [ 438.839891] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 438.844733] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.849744] ? lock_downgrade+0x900/0x900 [ 438.853883] ? ___might_sleep+0x1ed/0x300 [ 438.858020] ? lock_release+0x970/0x970 [ 438.861986] ? arch_local_save_flags+0x40/0x40 [ 438.866562] ? finish_task_switch+0x1f5/0x900 [ 438.871053] ? __might_sleep+0x95/0x190 [ 438.875018] __alloc_pages_nodemask+0xa80/0xde0 [ 438.879679] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.884692] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 438.890484] ? mark_held_locks+0x130/0x130 [ 438.894792] ? kasan_check_write+0x14/0x20 [ 438.899019] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 438.903684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.909217] ? __do_page_cache_readahead+0x7ce/0x980 [ 438.914319] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 438.919855] alloc_pages_current+0x10c/0x210 [ 438.924252] ? lock_downgrade+0x900/0x900 [ 438.928395] __page_cache_alloc+0x38f/0x5b0 [ 438.932715] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 438.938504] ? ext4_filemap_fault+0x82/0xad [ 438.942818] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 438.947479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.953006] ? check_preemption_disabled+0x48/0x200 [ 438.958018] filemap_fault+0x1594/0x25f0 [ 438.962074] ? __lock_page_or_retry+0xa00/0xa00 [ 438.966748] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 438.972534] ? lock_downgrade+0x900/0x900 [ 438.976675] ? trace_hardirqs_on+0xbd/0x310 [ 438.980987] ? kasan_check_read+0x11/0x20 [ 438.985128] ? __free_object+0x173/0x340 [ 438.989182] ? filemap_map_pages+0xdea/0x1980 [ 438.993673] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.998776] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 439.004053] ? debug_object_free+0x325/0x690 [ 439.008459] ? find_get_pages_range_tag+0x1320/0x1320 [ 439.013645] ? do_raw_spin_lock+0xc1/0x200 [ 439.017886] ? kasan_check_read+0x11/0x20 [ 439.022022] ? debug_object_destroy+0x2b0/0x2b0 [ 439.026682] ? kasan_check_write+0x14/0x20 [ 439.030916] ? lock_acquire+0x1ed/0x520 [ 439.034879] ? ext4_filemap_fault+0x7a/0xad [ 439.039193] ? lock_release+0x970/0x970 [ 439.043158] ? arch_local_save_flags+0x40/0x40 [ 439.047735] ? futex_wait_setup+0x3e0/0x3e0 [ 439.052061] ? down_read+0xb0/0x1d0 [ 439.055677] ? ext4_filemap_fault+0x7a/0xad [ 439.060000] ? __down_interruptible+0x700/0x700 [ 439.064666] ext4_filemap_fault+0x82/0xad [ 439.068811] __do_fault+0x100/0x6b0 [ 439.072436] ? print_bad_pte+0x6c0/0x6c0 [ 439.076486] ? do_futex+0x249/0x26d0 [ 439.080192] ? pmd_val+0x88/0x100 [ 439.083638] ? add_mm_counter_fast+0xd0/0xd0 [ 439.088034] ? pmd_val+0x88/0x100 [ 439.091478] ? add_mm_counter_fast+0xd0/0xd0 [ 439.095877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.101406] __handle_mm_fault+0x3709/0x53e0 [ 439.105808] ? perf_trace_lock+0x14d/0x7a0 [ 439.110037] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 439.114875] ? ksys_dup3+0x680/0x680 [ 439.118673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.124208] ? should_fail+0x22d/0xd01 [ 439.128096] ? lock_acquire+0x1ed/0x520 [ 439.132063] ? handle_mm_fault+0x42a/0xc70 [ 439.136291] ? lock_downgrade+0x900/0x900 [ 439.140440] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 439.146227] ? lock_downgrade+0x900/0x900 [ 439.150367] ? __do_page_fault+0x67d/0xed0 [ 439.154602] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.160046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.165577] ? check_preemption_disabled+0x48/0x200 [ 439.170590] handle_mm_fault+0x54f/0xc70 [ 439.174641] ? __handle_mm_fault+0x53e0/0x53e0 [ 439.179214] ? find_vma+0x34/0x190 [ 439.182746] __do_page_fault+0x67d/0xed0 [ 439.186800] ? mm_fault_error+0x380/0x380 [ 439.190939] ? trace_hardirqs_off+0xb8/0x310 [ 439.195340] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 439.200698] ? trace_hardirqs_on+0x310/0x310 [ 439.205096] do_page_fault+0xf2/0x7e0 [ 439.208888] ? vmalloc_sync_all+0x30/0x30 [ 439.213026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.218555] ? error_entry+0x70/0xd0 [ 439.222260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.227264] ? trace_hardirqs_on_caller+0xc0/0x310 [ 439.232185] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.237105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.241936] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.246940] ? trace_hardirqs_off+0x310/0x310 [ 439.251431] ? prepare_exit_to_usermode+0x291/0x3b0 [ 439.256436] ? page_fault+0x8/0x30 [ 439.259969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.264800] ? page_fault+0x8/0x30 [ 439.268329] page_fault+0x1e/0x30 [ 439.271768] RIP: 0033:0x40f9c0 [ 439.274964] Code: Bad RIP value. [ 439.278318] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 439.283677] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 439.290933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 439.298188] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 439.305456] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 439.312798] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 439.320070] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 439.320190] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.327333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.337540] syz-fuzzer cpuset= [ 439.346876] Call Trace: [ 439.346883] / [ 439.350051] [ 439.352612] mems_allowed=0 [ 439.354314] dump_stack+0x1c4/0x2b4 [ 439.362961] ? dump_stack_print_info.cold.2+0x52/0x52 [ 439.368147] warn_alloc.cold.119+0xb7/0x1bd [ 439.372480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.377317] ? lock_downgrade+0x900/0x900 [ 439.381458] ? trace_hardirqs_off+0xb8/0x310 [ 439.385860] ? trace_hardirqs_off+0xb8/0x310 [ 439.390265] __alloc_pages_slowpath+0x2667/0x2d80 [ 439.395112] ? warn_alloc+0x120/0x120 [ 439.398905] ? warn_alloc+0x120/0x120 [ 439.402696] ? warn_alloc+0x120/0x120 [ 439.406485] ? mark_held_locks+0x130/0x130 [ 439.410710] ? trace_hardirqs_on+0x310/0x310 [ 439.415121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.420765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.426289] ? should_fail+0x22d/0xd01 [ 439.430172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.435266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.440806] ? should_fail+0x22d/0xd01 [ 439.444690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.449781] ? should_fail+0x22d/0xd01 [ 439.453665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.458760] ? mark_held_locks+0x130/0x130 [ 439.462987] ? mark_held_locks+0x130/0x130 [ 439.467211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.472739] ? trace_hardirqs_off+0xb8/0x310 [ 439.477144] ? kasan_check_read+0x11/0x20 [ 439.481289] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.485689] ? trace_hardirqs_on+0x310/0x310 [ 439.490087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.495611] ? wq_watchdog_touch+0x9c/0xfe [ 439.499839] ? io_serial_in+0x11/0x90 [ 439.503645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.509177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.514274] __alloc_pages_nodemask+0xa80/0xde0 [ 439.518933] ? should_fail+0x22d/0xd01 [ 439.522812] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 439.527847] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.532522] ? lock_downgrade+0x900/0x900 [ 439.536680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.542215] cache_grow_begin+0x91/0x8c0 [ 439.546269] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.550671] fallback_alloc+0x203/0x2e0 [ 439.554639] ____cache_alloc_node+0x1c7/0x1e0 [ 439.559125] kmem_cache_alloc_node+0xe3/0x730 [ 439.563614] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.567842] __alloc_skb+0x119/0x770 [ 439.571551] ? skb_scrub_packet+0x490/0x490 [ 439.575860] ? lock_downgrade+0x900/0x900 [ 439.580001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.585526] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.590969] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.596412] ? addrconf_rs_timer+0x690/0x690 [ 439.600816] ndisc_alloc_skb+0x144/0x340 [ 439.604887] ndisc_send_rs+0x331/0x6e0 [ 439.609265] addrconf_rs_timer+0x314/0x690 [ 439.613499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.617730] call_timer_fn+0x272/0x920 [ 439.621610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.625835] ? process_timeout+0x40/0x40 [ 439.629886] ? trace_hardirqs_off+0xb8/0x310 [ 439.634285] ? kasan_check_read+0x11/0x20 [ 439.638425] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.642823] ? trace_hardirqs_on+0x310/0x310 [ 439.647227] ? __run_timers+0x7da/0xc70 [ 439.651195] ? lock_downgrade+0x900/0x900 [ 439.655339] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.660436] ? trace_hardirqs_on+0xbd/0x310 [ 439.664745] ? kasan_check_read+0x11/0x20 [ 439.668882] ? __run_timers+0x7da/0xc70 [ 439.672846] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.678286] ? kasan_check_write+0x14/0x20 [ 439.682511] ? do_raw_spin_lock+0xc1/0x200 [ 439.686740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.690967] __run_timers+0x7e5/0xc70 [ 439.694766] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 439.700121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.705139] ? timerqueue_add+0x207/0x2b0 [ 439.709281] ? enqueue_hrtimer+0x1a5/0x560 [ 439.713502] ? lock_release+0x970/0x970 [ 439.717470] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.722654] ? kasan_check_write+0x14/0x20 [ 439.726883] ? pvclock_read_flags+0x160/0x160 [ 439.731377] ? lock_downgrade+0x900/0x900 [ 439.735519] ? trace_hardirqs_on+0xbd/0x310 [ 439.739832] ? kvm_sched_clock_read+0x9/0x20 [ 439.744228] ? irq_exit+0x17f/0x1c0 [ 439.747845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.753383] ? check_preemption_disabled+0x48/0x200 [ 439.758396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.763928] run_timer_softirq+0x52/0xb0 [ 439.767980] ? __this_cpu_preempt_check+0x1c/0x1f [ 439.772813] __do_softirq+0x30b/0xad8 [ 439.777145] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 439.782246] ? pvclock_read_flags+0x160/0x160 [ 439.786730] ? lapic_next_event+0x5a/0x90 [ 439.790872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.796399] ? clockevents_program_event+0x140/0x370 [ 439.801509] ? kvm_clock_read+0x18/0x30 [ 439.805474] ? kvm_sched_clock_read+0x9/0x20 [ 439.809873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.815400] ? check_preemption_disabled+0x48/0x200 [ 439.820415] irq_exit+0x17f/0x1c0 [ 439.823864] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.828697] ? smp_reschedule_interrupt+0x109/0x650 [ 439.833704] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.839580] ? interrupt_entry+0xb5/0xf0 [ 439.843634] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.848642] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.853649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.858480] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.863483] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.868491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.874024] ? check_preemption_disabled+0x48/0x200 [ 439.879030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.884564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.889400] apic_timer_interrupt+0xf/0x20 [ 439.893721] [ 439.895961] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 439.900882] 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 [ 439.919770] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 439.927467] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 439.934726] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 439.941988] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 439.949244] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 439.956502] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 439.963770] ? trace_hardirqs_on+0xb4/0x310 [ 439.968123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.973659] skb_clone+0x1bb/0x500 [ 439.977190] ? skb_split+0x11e0/0x11e0 [ 439.981065] ? check_preemption_disabled+0x48/0x200 [ 439.986074] ? __this_cpu_preempt_check+0x1c/0x1f [ 439.990915] ? __bpf_redirect+0x54b/0xb20 [ 439.995053] ? __switch_to_asm+0x34/0x70 [ 439.999115] bpf_clone_redirect+0xb9/0x490 [ 440.003354] bpf_prog_466abe619656067b+0x436/0x1000 [ 440.008370] ? __sched_text_start+0x8/0x8 [ 440.012507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 440.017256] ? retint_kernel+0x2d/0x2d [ 440.021140] ? lock_acquire+0x1ed/0x520 [ 440.025110] ? bpf_test_run+0x32e/0x5a0 [ 440.029076] ? lock_downgrade+0x900/0x900 [ 440.033218] ? lock_release+0x970/0x970 [ 440.037185] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 440.042973] ? preempt_schedule_common+0x1f/0xd0 [ 440.047723] ? preempt_schedule+0x4d/0x60 [ 440.051863] ? ___preempt_schedule+0x16/0x18 [ 440.056264] ? bpf_test_run+0x1c0/0x5a0 [ 440.060234] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.064636] ? bpf_prog_test_run_skb+0x295/0xb40 [ 440.069385] ? bpf_prog_test_run_skb+0x634/0xb40 [ 440.074139] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 440.078974] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.084497] ? fput+0x130/0x1a0 [ 440.087766] ? __bpf_prog_get+0x9b/0x290 [ 440.091816] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 440.096648] ? bpf_prog_test_run+0x130/0x1a0 [ 440.101047] ? __x64_sys_bpf+0x3d8/0x510 [ 440.105099] ? bpf_prog_get+0x20/0x20 [ 440.108896] ? do_syscall_64+0x1b9/0x820 [ 440.112957] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.118315] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.123242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.128073] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.133083] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.138099] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.143114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.147951] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.153311] warn_alloc_show_mem: 1 callbacks suppressed [ 440.153320] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 440.153322] Mem-Info: [ 440.153355] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 440.153355] active_file:98 inactive_file:120 isolated_file:0 [ 440.153355] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.153355] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 440.153355] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 440.153355] free:13602 free_pcp:142 free_cma:0 [ 440.158690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.165613] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.167996] Call Trace: [ 440.200938] Node 0 [ 440.210273] [ 440.237939] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.240486] dump_stack+0x1c4/0x2b4 [ 440.242692] lowmem_reserve[]: [ 440.244832] ? dump_stack_print_info.cold.2+0x52/0x52 [ 440.270295] 0 [ 440.273924] warn_alloc.cold.119+0xb7/0x1bd [ 440.276995] 2819 [ 440.282168] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.283938] 6323 [ 440.288242] ? lock_downgrade+0x900/0x900 [ 440.290277] 6323 [ 440.295105] ? trace_hardirqs_off+0xb8/0x310 [ 440.301265] ? trace_hardirqs_off+0xb8/0x310 [ 440.303299] Node 0 [ 440.307696] __alloc_pages_slowpath+0x2667/0x2d80 [ 440.312115] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 440.314329] ? debug_object_activate+0x402/0x600 [ 440.319135] lowmem_reserve[]: [ 440.345664] ? warn_alloc+0x120/0x120 [ 440.350389] 0 [ 440.353479] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.357249] 0 [ 440.359036] ? warn_alloc+0x120/0x120 [ 440.364019] 3503 [ 440.365805] ? get_stack_info+0x37/0x142 [ 440.369573] 3503 [ 440.371626] ? warn_alloc+0x120/0x120 [ 440.375657] Node 0 [ 440.377703] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.381508] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 440.383711] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 440.388694] lowmem_reserve[]: [ 440.417217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.421938] 0 [ 440.425027] ? should_fail+0x22d/0xd01 [ 440.430528] 0 [ 440.432323] ? is_bpf_text_address+0xac/0x170 [ 440.436178] 0 [ 440.437965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.442424] 0 [ 440.444211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.451069] ? should_fail+0x22d/0xd01 [ 440.456578] Node 0 DMA: [ 440.460449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.460463] ? should_fail+0x22d/0xd01 [ 440.463105] 1*4kB [ 440.468192] ? kasan_check_read+0x11/0x20 [ 440.472046] (U) [ 440.474184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 440.478307] 0*8kB [ 440.480268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.485513] 0*16kB [ 440.487648] ? unwind_dump+0x190/0x190 [ 440.492736] 1*32kB [ 440.494957] ? mark_held_locks+0x130/0x130 [ 440.498810] (U) [ 440.501031] ? mark_held_locks+0x130/0x130 [ 440.505229] 2*64kB (U) [ 440.507200] ? update_stack_state+0x1a5/0x690 [ 440.511407] 1*128kB [ 440.513975] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.518438] (U) [ 440.520745] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 440.525730] 1*256kB [ 440.527704] ? is_bpf_text_address+0xac/0x170 [ 440.532428] (U) [ 440.534736] ? lock_downgrade+0x900/0x900 [ 440.539201] 0*512kB [ 440.541163] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 440.545292] 1*1024kB [ 440.547603] ? kasan_check_read+0x11/0x20 [ 440.553378] (U) [ 440.555773] __alloc_pages_nodemask+0xa80/0xde0 [ 440.559891] 1*2048kB [ 440.561852] ? should_fail+0x22d/0xd01 [ 440.566486] (M) 3*4096kB [ 440.568888] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 440.572741] (M) [ 440.575486] ? is_bpf_text_address+0xd3/0x170 [ 440.580472] = 15908kB [ 440.582441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.586897] Node 0 [ 440.589300] ? lock_downgrade+0x900/0x900 [ 440.593939] DMA32: [ 440.596165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.600281] 5*4kB [ 440.602507] cache_grow_begin+0x91/0x8c0 [ 440.608005] (UM) 0*8kB [ 440.610147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 440.614176] 5*16kB [ 440.616745] fallback_alloc+0x203/0x2e0 [ 440.621117] (UMH) 5*32kB [ 440.623361] ____cache_alloc_node+0x1c7/0x1e0 [ 440.627311] (UMH) [ 440.630053] kmem_cache_alloc_node+0xe3/0x730 [ 440.634521] 7*64kB [ 440.636662] __alloc_skb+0x119/0x770 [ 440.641238] (UM) [ 440.643463] ? skb_scrub_packet+0x490/0x490 [ 440.647148] 4*128kB [ 440.649199] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 440.653487] (UM) [ 440.655795] ? queue_work_on+0x12c/0x1e0 [ 440.660357] 5*256kB [ 440.662404] ? switchdev_port_obj_del+0xdc/0x450 [ 440.666536] (UMH) [ 440.668852] ? switchdev_trans_item_enqueue+0x260/0x260 [ 440.673575] 4*512kB [ 440.675710] ? do_raw_spin_lock+0xc1/0x200 [ 440.681038] (UM) [ 440.683348] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.687554] 4*1024kB [ 440.689600] __br_mdb_notify+0x4ff/0x15d0 [ 440.694585] (UMH) [ 440.696985] ? __br_mdb_add+0x800/0x800 [ 440.701119] 4*2048kB [ 440.703254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.707195] (UM) [ 440.709592] ? check_preemption_disabled+0x48/0x200 [ 440.715096] 2*4096kB [ 440.717151] ? br_multicast_group_expired+0x96/0x610 [ 440.722128] (M) [ 440.724522] ? lock_downgrade+0x900/0x900 [ 440.729597] = 25028kB [ 440.731558] br_mdb_notify+0x310/0x410 [ 440.735677] Node 0 [ 440.738072] ? br_mdb_dump+0x2530/0x2530 [ 440.741926] Normal: [ 440.744145] ? kasan_check_write+0x14/0x20 [ 440.748176] 809*4kB [ 440.750480] ? do_raw_spin_lock+0xc1/0x200 [ 440.754682] (UMEH) [ 440.757004] br_multicast_group_expired+0x1bc/0x610 [ 440.761209] 372*8kB [ 440.763428] ? br_mdb_free+0x80/0x80 [ 440.768412] (UMEH) [ 440.770725] call_timer_fn+0x272/0x920 [ 440.774416] 191*16kB [ 440.776635] ? br_mdb_free+0x80/0x80 [ 440.780489] (UMEH) [ 440.782886] ? process_timeout+0x40/0x40 [ 440.786567] 81*32kB [ 440.788790] ? trace_hardirqs_off+0xb8/0x310 [ 440.792820] (UME) [ 440.795126] ? kasan_check_read+0x11/0x20 [ 440.799503] 21*64kB [ 440.801636] ? do_raw_spin_unlock+0xa7/0x2f0 [ 440.805751] (UMH) [ 440.808057] ? trace_hardirqs_on+0x310/0x310 [ 440.812433] 3*128kB [ 440.814570] ? __run_timers+0x7da/0xc70 [ 440.818947] (UH) [ 440.821260] ? lock_downgrade+0x900/0x900 [ 440.825211] 0*256kB [ 440.827257] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 440.831385] 0*512kB [ 440.833693] ? trace_hardirqs_on+0xbd/0x310 [ 440.838765] 0*1024kB [ 440.841069] ? kasan_check_read+0x11/0x20 [ 440.845359] 0*2048kB [ 440.847755] ? __run_timers+0x7da/0xc70 [ 440.851871] 0*4096kB [ 440.854281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.858217] = 13588kB [ 440.858229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 440.860630] ? kasan_check_write+0x14/0x20 [ 440.866054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 440.868450] ? do_raw_spin_lock+0xc1/0x200 [ 440.877272] 348 total pagecache pages [ 440.881488] ? br_mdb_free+0x80/0x80 [ 440.890037] 0 pages in swap cache [ 440.894254] __run_timers+0x7e5/0xc70 [ 440.898038] Swap cache stats: add 0, delete 0, find 0/0 [ 440.901735] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 440.905170] Free swap = 0kB [ 440.908971] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.914301] Total swap = 0kB [ 440.919651] ? timerqueue_add+0x207/0x2b0 [ 440.922638] 1965979 pages RAM [ 440.927638] ? enqueue_hrtimer+0x1a5/0x560 [ 440.930629] 0 pages HighMem/MovableOnly [ 440.934757] ? lock_release+0x970/0x970 [ 440.937831] 342307 pages reserved [ 440.942050] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.945996] 0 pages cma reserved [ 440.949954] ? kasan_check_write+0x14/0x20 [ 440.953449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 440.958567] ? pvclock_read_flags+0x160/0x160 [ 440.958578] ? lock_downgrade+0x900/0x900 [ 440.958595] ? trace_hardirqs_on+0xbd/0x310 [ 440.961975] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.966147] ? kvm_sched_clock_read+0x9/0x20 [ 440.972609] syz-executor3 cpuset= [ 440.977091] ? irq_exit+0x17f/0x1c0 [ 440.981208] syz3 [ 440.985512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.995964] mems_allowed=0 [ 441.000354] ? check_preemption_disabled+0x48/0x200 [ 441.022764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.028303] run_timer_softirq+0x52/0xb0 [ 441.032359] ? __this_cpu_preempt_check+0x1c/0x1f [ 441.037194] __do_softirq+0x30b/0xad8 [ 441.040989] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 441.046086] ? pvclock_read_flags+0x160/0x160 [ 441.050572] ? lapic_next_event+0x5a/0x90 [ 441.054709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.060242] ? clockevents_program_event+0x140/0x370 [ 441.065349] ? kvm_clock_read+0x18/0x30 [ 441.069317] ? kvm_sched_clock_read+0x9/0x20 [ 441.073717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.079244] ? check_preemption_disabled+0x48/0x200 [ 441.084280] irq_exit+0x17f/0x1c0 [ 441.087720] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.092550] ? smp_reschedule_interrupt+0x109/0x650 [ 441.097556] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.103429] ? interrupt_entry+0xb5/0xf0 [ 441.107481] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.112487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.117497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.122351] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.127370] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.132375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.137904] ? check_preemption_disabled+0x48/0x200 [ 441.142909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.148440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.153277] apic_timer_interrupt+0xf/0x20 [ 441.157494] [ 441.159725] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 441.164904] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 441.183879] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 441.191579] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 441.198848] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 441.206232] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 441.213501] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 441.220758] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 441.228023] ? trace_hardirqs_on+0x9a/0x310 [ 441.232339] ? trace_hardirqs_on+0xb4/0x310 [ 441.236660] retint_kernel+0x1b/0x2d [ 441.240369] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 441.245634] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 441.264522] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 441.272219] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 441.279491] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 441.286745] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 441.294000] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 441.301262] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 441.308546] ? trace_hardirqs_on+0x9a/0x310 [ 441.312858] ? arch_local_irq_restore+0x45/0x52 [ 441.317520] dump_stack+0x26a/0x2b4 [ 441.321139] ? dump_stack_print_info.cold.2+0x52/0x52 [ 441.326321] ? mark_held_locks+0x130/0x130 [ 441.330544] ? mark_held_locks+0x130/0x130 [ 441.334783] dump_header+0x27b/0xf72 [ 441.338495] ? rcu_read_unlock+0x16/0x60 [ 441.342555] ? pagefault_out_of_memory+0x197/0x197 [ 441.347475] ? mark_held_locks+0x130/0x130 [ 441.351702] ? percpu_ref_put_many+0x13e/0x260 [ 441.356272] ? mem_cgroup_charge_statistics+0x780/0x780 [ 441.361630] ? mem_cgroup_iter+0x1f7/0x1160 [ 441.365941] ? mark_held_locks+0x130/0x130 [ 441.370173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.375698] ? task_will_free_mem+0x239/0xb30 [ 441.380189] ? ___ratelimit+0x36f/0x655 [ 441.384153] ? lock_downgrade+0x900/0x900 [ 441.388294] ? trace_hardirqs_on+0xbd/0x310 [ 441.392603] ? kasan_check_read+0x11/0x20 [ 441.396739] ? ___ratelimit+0x36f/0x655 [ 441.400700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.406142] ? trace_hardirqs_on+0x310/0x310 [ 441.410539] ? lock_downgrade+0x900/0x900 [ 441.414677] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.419770] ? ___ratelimit+0xaa/0x655 [ 441.423649] ? idr_get_free+0xec0/0xec0 [ 441.427611] ? kasan_check_write+0x14/0x20 [ 441.431861] ? do_raw_spin_lock+0xc1/0x200 [ 441.436088] oom_kill_process.cold.27+0x10/0x903 [ 441.440848] ? lock_downgrade+0x900/0x900 [ 441.444995] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.450784] ? oom_evaluate_task+0x540/0x540 [ 441.455189] ? oom_unkillable_task+0x383/0x580 [ 441.459767] ? out_of_memory+0x974/0x1430 [ 441.463905] ? lock_downgrade+0x900/0x900 [ 441.468047] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.473836] ? __cpuset_node_allowed+0x19b/0x660 [ 441.478584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.484107] ? oom_evaluate_task+0x302/0x540 [ 441.488506] out_of_memory+0xa84/0x1430 [ 441.492478] ? oom_killer_disable+0x3a0/0x3a0 [ 441.496963] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 441.501883] ? __mutex_add_waiter+0x2a0/0x2a0 [ 441.506369] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.511372] ? find_next_bit+0x104/0x130 [ 441.515427] __alloc_pages_slowpath+0x2318/0x2d80 [ 441.520278] ? warn_alloc+0x120/0x120 [ 441.524070] ? __radix_tree_lookup+0x4c0/0x4c0 [ 441.528652] ? find_get_entry+0x2f2/0xc40 [ 441.532798] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 441.537715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.543240] ? should_fail+0x22d/0xd01 [ 441.547120] ? ___might_sleep+0x1ed/0x300 [ 441.551256] ? lock_release+0x970/0x970 [ 441.555225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.560322] ? debug_smp_processor_id+0x1c/0x20 [ 441.564988] ? __might_sleep+0x95/0x190 [ 441.568958] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 441.573796] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 441.578816] ? lock_downgrade+0x900/0x900 [ 441.582956] ? ___might_sleep+0x1ed/0x300 [ 441.587102] ? lock_release+0x970/0x970 [ 441.591071] ? arch_local_save_flags+0x40/0x40 [ 441.595644] ? finish_task_switch+0x1f5/0x900 [ 441.600139] ? __might_sleep+0x95/0x190 [ 441.604103] __alloc_pages_nodemask+0xa80/0xde0 [ 441.609235] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 441.614244] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.620034] ? mark_held_locks+0x130/0x130 [ 441.624257] ? kasan_check_write+0x14/0x20 [ 441.628483] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 441.633145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.638781] ? __do_page_cache_readahead+0x7ce/0x980 [ 441.643878] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 441.649408] alloc_pages_current+0x10c/0x210 [ 441.653808] ? lock_downgrade+0x900/0x900 [ 441.657952] __page_cache_alloc+0x38f/0x5b0 [ 441.662281] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.668072] ? ext4_filemap_fault+0x82/0xad [ 441.672384] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 441.677047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.682579] ? check_preemption_disabled+0x48/0x200 [ 441.687587] filemap_fault+0x1594/0x25f0 [ 441.691646] ? __lock_page_or_retry+0xa00/0xa00 [ 441.696309] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.702095] ? lock_downgrade+0x900/0x900 [ 441.706238] ? trace_hardirqs_on+0xbd/0x310 [ 441.710545] ? kasan_check_read+0x11/0x20 [ 441.714681] ? __free_object+0x173/0x340 [ 441.718738] ? filemap_map_pages+0xdea/0x1980 [ 441.723226] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.728324] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 441.733585] ? debug_object_free+0x325/0x690 [ 441.737983] ? find_get_pages_range_tag+0x1320/0x1320 [ 441.743167] ? do_raw_spin_lock+0xc1/0x200 [ 441.747402] ? kasan_check_read+0x11/0x20 [ 441.751537] ? debug_object_destroy+0x2b0/0x2b0 [ 441.756201] ? kasan_check_write+0x14/0x20 [ 441.760436] ? lock_acquire+0x1ed/0x520 [ 441.764402] ? ext4_filemap_fault+0x7a/0xad [ 441.768735] ? lock_release+0x970/0x970 [ 441.772698] ? arch_local_save_flags+0x40/0x40 [ 441.777542] ? futex_wait_setup+0x3e0/0x3e0 [ 441.781861] ? down_read+0xb0/0x1d0 [ 441.785491] ? ext4_filemap_fault+0x7a/0xad [ 441.789814] ? __down_interruptible+0x700/0x700 [ 441.794477] ext4_filemap_fault+0x82/0xad [ 441.798615] __do_fault+0x100/0x6b0 [ 441.802230] ? print_bad_pte+0x6c0/0x6c0 [ 441.806279] ? do_futex+0x249/0x26d0 [ 441.809984] ? pmd_val+0x88/0x100 [ 441.813431] ? add_mm_counter_fast+0xd0/0xd0 [ 441.817829] ? pmd_val+0x88/0x100 [ 441.821274] ? add_mm_counter_fast+0xd0/0xd0 [ 441.825676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.831211] __handle_mm_fault+0x3709/0x53e0 [ 441.835613] ? perf_trace_lock+0x14d/0x7a0 [ 441.839841] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 441.844675] ? ksys_dup3+0x680/0x680 [ 441.848381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.853908] ? should_fail+0x22d/0xd01 [ 441.857802] ? lock_acquire+0x1ed/0x520 [ 441.861771] ? handle_mm_fault+0x42a/0xc70 [ 441.865994] ? lock_downgrade+0x900/0x900 [ 441.870137] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 441.875922] ? lock_downgrade+0x900/0x900 [ 441.880060] ? __do_page_fault+0x67d/0xed0 [ 441.884290] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.889731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.895262] ? check_preemption_disabled+0x48/0x200 [ 441.900272] handle_mm_fault+0x54f/0xc70 [ 441.904327] ? __handle_mm_fault+0x53e0/0x53e0 [ 441.908900] ? find_vma+0x34/0x190 [ 441.912441] __do_page_fault+0x67d/0xed0 [ 441.916494] ? mm_fault_error+0x380/0x380 [ 441.920631] ? trace_hardirqs_off+0xb8/0x310 [ 441.925030] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 441.930387] ? trace_hardirqs_on+0x310/0x310 [ 441.934788] do_page_fault+0xf2/0x7e0 [ 441.938582] ? vmalloc_sync_all+0x30/0x30 [ 441.942720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.948246] ? error_entry+0x70/0xd0 [ 441.951954] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.956960] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.961892] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.966809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.971645] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.976649] ? trace_hardirqs_off+0x310/0x310 [ 441.981154] ? prepare_exit_to_usermode+0x291/0x3b0 [ 441.986162] ? page_fault+0x8/0x30 [ 441.989700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.994531] ? page_fault+0x8/0x30 [ 441.998059] page_fault+0x1e/0x30 [ 442.001585] RIP: 0033:0x40f9c0 [ 442.004772] Code: Bad RIP value. [ 442.008140] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 442.013500] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 442.020754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 442.028010] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 442.035266] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 442.042522] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 442.049793] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 442.049911] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.057061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.067257] syz-fuzzer cpuset= [ 442.076582] Call Trace: [ 442.076584] / mems_allowed=0 [ 442.079757] [ 442.087548] dump_stack+0x1c4/0x2b4 [ 442.091178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 442.096371] warn_alloc.cold.119+0xb7/0x1bd [ 442.100683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.105515] ? lock_downgrade+0x900/0x900 [ 442.109655] ? trace_hardirqs_off+0xb8/0x310 [ 442.114060] ? trace_hardirqs_off+0xb8/0x310 [ 442.118463] __alloc_pages_slowpath+0x2667/0x2d80 [ 442.123328] ? warn_alloc+0x120/0x120 [ 442.127122] ? warn_alloc+0x120/0x120 [ 442.130917] ? warn_alloc+0x120/0x120 [ 442.134712] ? mark_held_locks+0x130/0x130 [ 442.138942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.144470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.149997] ? should_fail+0x22d/0xd01 [ 442.153879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.158971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.164498] ? should_fail+0x22d/0xd01 [ 442.168380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.173473] ? should_fail+0x22d/0xd01 [ 442.177356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.182453] ? mark_held_locks+0x130/0x130 [ 442.186680] ? mark_held_locks+0x130/0x130 [ 442.190905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.196439] ? trace_hardirqs_off+0xb8/0x310 [ 442.200835] ? kasan_check_read+0x11/0x20 [ 442.204973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.209368] ? trace_hardirqs_on+0x310/0x310 [ 442.213766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.219289] ? wq_watchdog_touch+0x9c/0xfe [ 442.223513] ? io_serial_in+0x11/0x90 [ 442.227302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.232831] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.237940] __alloc_pages_nodemask+0xa80/0xde0 [ 442.242597] ? should_fail+0x22d/0xd01 [ 442.246490] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 442.251513] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.256174] ? lock_downgrade+0x900/0x900 [ 442.260313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.265844] cache_grow_begin+0x91/0x8c0 [ 442.269896] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.274325] fallback_alloc+0x203/0x2e0 [ 442.278308] ____cache_alloc_node+0x1c7/0x1e0 [ 442.282807] kmem_cache_alloc_node+0xe3/0x730 [ 442.287304] ? ipv6_get_ifaddr+0x42e/0x620 [ 442.291532] __alloc_skb+0x119/0x770 [ 442.295243] ? skb_scrub_packet+0x490/0x490 [ 442.299562] ? lock_downgrade+0x900/0x900 [ 442.303714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.309257] ? refcount_sub_and_test_checked+0x203/0x310 [ 442.314700] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.320227] ? addrconf_rs_timer+0x690/0x690 [ 442.324632] ndisc_alloc_skb+0x144/0x340 [ 442.328683] ndisc_send_rs+0x331/0x6e0 [ 442.332583] addrconf_rs_timer+0x314/0x690 [ 442.336813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.341044] call_timer_fn+0x272/0x920 [ 442.344926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.349157] ? process_timeout+0x40/0x40 [ 442.353209] ? trace_hardirqs_off+0xb8/0x310 [ 442.357604] ? kasan_check_read+0x11/0x20 [ 442.361742] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.366161] ? trace_hardirqs_on+0x310/0x310 [ 442.370564] ? __run_timers+0x7da/0xc70 [ 442.374550] ? lock_downgrade+0x900/0x900 [ 442.378687] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.383780] ? trace_hardirqs_on+0xbd/0x310 [ 442.388088] ? kasan_check_read+0x11/0x20 [ 442.392231] ? __run_timers+0x7da/0xc70 [ 442.396211] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.401654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.407183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.411413] __run_timers+0x7e5/0xc70 [ 442.415209] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.420562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.425570] ? timerqueue_add+0x207/0x2b0 [ 442.429711] ? enqueue_hrtimer+0x1a5/0x560 [ 442.433934] ? lock_release+0x970/0x970 [ 442.437912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.443095] ? kasan_check_write+0x14/0x20 [ 442.447325] ? pvclock_read_flags+0x160/0x160 [ 442.451817] ? lock_downgrade+0x900/0x900 [ 442.455961] ? trace_hardirqs_on+0xbd/0x310 [ 442.460271] ? kvm_sched_clock_read+0x9/0x20 [ 442.464669] ? irq_exit+0x17f/0x1c0 [ 442.468289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.473833] ? check_preemption_disabled+0x48/0x200 [ 442.478841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.484375] run_timer_softirq+0x52/0xb0 [ 442.488429] ? __this_cpu_preempt_check+0x1c/0x1f [ 442.493265] __do_softirq+0x30b/0xad8 [ 442.497066] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 442.502166] ? pvclock_read_flags+0x160/0x160 [ 442.506665] ? lapic_next_event+0x5a/0x90 [ 442.510806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.516332] ? clockevents_program_event+0x140/0x370 [ 442.521431] ? kvm_clock_read+0x18/0x30 [ 442.525393] ? kvm_sched_clock_read+0x9/0x20 [ 442.529795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.535322] ? check_preemption_disabled+0x48/0x200 [ 442.540335] irq_exit+0x17f/0x1c0 [ 442.543781] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.548611] ? smp_reschedule_interrupt+0x109/0x650 [ 442.553619] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.559540] ? interrupt_entry+0xb5/0xf0 [ 442.563594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.568600] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.573608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.578442] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.583445] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.588455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.593984] ? check_preemption_disabled+0x48/0x200 [ 442.598993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.604527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.609367] apic_timer_interrupt+0xf/0x20 [ 442.613586] [ 442.615815] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 442.620737] 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 [ 442.639624] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 442.647324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 442.654583] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 442.661843] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 442.669111] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 442.676370] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 442.683639] ? trace_hardirqs_on+0xb4/0x310 [ 442.687956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.693487] skb_clone+0x1bb/0x500 [ 442.697019] ? skb_split+0x11e0/0x11e0 [ 442.700896] ? check_preemption_disabled+0x48/0x200 [ 442.705907] ? __this_cpu_preempt_check+0x1c/0x1f [ 442.710742] ? __bpf_redirect+0x54b/0xb20 [ 442.714880] ? __switch_to_asm+0x34/0x70 [ 442.718934] bpf_clone_redirect+0xb9/0x490 [ 442.723164] bpf_prog_466abe619656067b+0x436/0x1000 [ 442.728186] ? __sched_text_start+0x8/0x8 [ 442.732323] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.737075] ? retint_kernel+0x2d/0x2d [ 442.740964] ? lock_acquire+0x1ed/0x520 [ 442.744927] ? bpf_test_run+0x32e/0x5a0 [ 442.748890] ? lock_downgrade+0x900/0x900 [ 442.753032] ? lock_release+0x970/0x970 [ 442.756998] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 442.762787] ? preempt_schedule_common+0x1f/0xd0 [ 442.767534] ? preempt_schedule+0x4d/0x60 [ 442.771671] ? ___preempt_schedule+0x16/0x18 [ 442.776510] ? bpf_test_run+0x1c0/0x5a0 [ 442.780481] ? netlink_diag_dump+0x2a0/0x2a0 [ 442.784880] ? bpf_prog_test_run_skb+0x295/0xb40 [ 442.789628] ? bpf_prog_test_run_skb+0x634/0xb40 [ 442.794377] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 442.799212] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.804735] ? fput+0x130/0x1a0 [ 442.808004] ? __bpf_prog_get+0x9b/0x290 [ 442.812059] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 442.816889] ? bpf_prog_test_run+0x130/0x1a0 [ 442.821315] ? __x64_sys_bpf+0x3d8/0x510 [ 442.825386] ? bpf_prog_get+0x20/0x20 [ 442.829186] ? do_syscall_64+0x1b9/0x820 [ 442.833236] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 442.838589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.843509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.848344] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.853351] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 442.858360] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.863366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.868201] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 442.873560] warn_alloc_show_mem: 1 callbacks suppressed [ 442.873569] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 442.873571] Mem-Info: [ 442.873598] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 442.873598] active_file:98 inactive_file:120 isolated_file:0 [ 442.873598] unevictable:0 dirty:0 writeback:0 unstable:0 [ 442.873598] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 442.873598] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 442.873598] free:13602 free_pcp:142 free_cma:0 [ 442.878926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.885848] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 442.888232] Call Trace: [ 442.921172] Node 0 [ 442.930507] [ 442.958185] 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 [ 442.960739] dump_stack+0x1c4/0x2b4 [ 442.962941] lowmem_reserve[]: [ 442.965075] ? dump_stack_print_info.cold.2+0x52/0x52 [ 442.990548] 0 [ 442.994165] warn_alloc.cold.119+0xb7/0x1bd [ 442.997237] 2819 [ 443.002409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.004178] 6323 6323 [ 443.008488] ? lock_downgrade+0x900/0x900 [ 443.015360] ? trace_hardirqs_off+0xb8/0x310 [ 443.017828] Node 0 [ 443.021960] ? trace_hardirqs_off+0xb8/0x310 [ 443.026353] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 443.026359] lowmem_reserve[]: [ 443.028583] __alloc_pages_slowpath+0x2667/0x2d80 [ 443.032957] 0 [ 443.059505] ? debug_object_activate+0x402/0x600 [ 443.062581] 0 [ 443.067403] ? warn_alloc+0x120/0x120 [ 443.069175] 3503 [ 443.073915] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.075685] 3503 [ 443.079468] ? warn_alloc+0x120/0x120 [ 443.081500] Node 0 [ 443.086531] ? get_stack_info+0x37/0x142 [ 443.088585] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 443.092455] ? warn_alloc+0x120/0x120 [ 443.094659] lowmem_reserve[]: [ 443.098707] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.127125] 0 [ 443.130910] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 443.133984] 0 [ 443.138987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.140756] 0 [ 443.145497] ? should_fail+0x22d/0xd01 [ 443.147268] 0 [ 443.152790] ? is_bpf_text_address+0xac/0x170 [ 443.158434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.160204] Node 0 [ 443.164681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.169751] DMA: [ 443.171969] ? should_fail+0x22d/0xd01 [ 443.177472] 1*4kB [ 443.179520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.183373] (U) [ 443.185508] ? should_fail+0x22d/0xd01 [ 443.190573] 0*8kB 0*16kB [ 443.192547] ? kasan_check_read+0x11/0x20 [ 443.196403] 1*32kB [ 443.199164] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 443.203276] (U) [ 443.205496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.210738] 2*64kB [ 443.212697] ? unwind_dump+0x190/0x190 [ 443.217765] (U) [ 443.219985] ? mark_held_locks+0x130/0x130 [ 443.223844] 1*128kB [ 443.225803] ? mark_held_locks+0x130/0x130 [ 443.230007] (U) [ 443.232319] ? update_stack_state+0x1a5/0x690 [ 443.236519] 1*256kB [ 443.238477] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.242943] (U) [ 443.245265] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 443.250250] 0*512kB [ 443.252212] ? is_bpf_text_address+0xac/0x170 [ 443.256931] 1*1024kB [ 443.259240] ? lock_downgrade+0x900/0x900 [ 443.263700] (U) [ 443.266098] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 443.270213] 1*2048kB [ 443.272171] ? kasan_check_read+0x11/0x20 [ 443.277957] (M) [ 443.280357] __alloc_pages_nodemask+0xa80/0xde0 [ 443.284473] 3*4096kB [ 443.286433] ? should_fail+0x22d/0xd01 [ 443.291073] (M) [ 443.293468] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 443.297324] = 15908kB [ 443.299283] ? is_bpf_text_address+0xd3/0x170 [ 443.304264] Node 0 [ 443.306670] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.311125] DMA32: [ 443.313356] ? lock_downgrade+0x900/0x900 [ 443.317996] 5*4kB [ 443.320217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.324331] (UM) [ 443.326467] cache_grow_begin+0x91/0x8c0 [ 443.331974] 0*8kB [ 443.334023] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.338058] 5*16kB [ 443.340192] fallback_alloc+0x203/0x2e0 [ 443.344565] (UMH) [ 443.346787] ____cache_alloc_node+0x1c7/0x1e0 [ 443.350729] 5*32kB [ 443.352861] kmem_cache_alloc_node+0xe3/0x730 [ 443.357322] (UMH) [ 443.359549] __alloc_skb+0x119/0x770 [ 443.364013] 7*64kB [ 443.366145] ? skb_scrub_packet+0x490/0x490 [ 443.369827] (UM) [ 443.372056] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 443.376344] 4*128kB [ 443.378393] ? queue_work_on+0x12c/0x1e0 [ 443.382945] (UM) [ 443.385254] ? switchdev_port_obj_del+0xdc/0x450 [ 443.389285] 5*256kB [ 443.391335] ? switchdev_trans_item_enqueue+0x260/0x260 [ 443.396063] (UMH) [ 443.398371] ? do_raw_spin_lock+0xc1/0x200 [ 443.403701] 4*512kB [ 443.405834] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.410034] (UM) [ 443.412350] __br_mdb_notify+0x4ff/0x15d0 [ 443.417338] 4*1024kB [ 443.419390] ? __br_mdb_add+0x800/0x800 [ 443.423503] (UMH) [ 443.425899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.429845] 4*2048kB [ 443.431978] ? check_preemption_disabled+0x48/0x200 [ 443.437479] (UM) [ 443.439883] ? br_multicast_group_expired+0x96/0x610 [ 443.444865] 2*4096kB [ 443.446914] ? lock_downgrade+0x900/0x900 [ 443.451985] (M) [ 443.454383] br_mdb_notify+0x310/0x410 [ 443.458502] = 25028kB [ 443.460460] ? br_mdb_dump+0x2530/0x2530 [ 443.464315] Node 0 [ 443.466709] ? kasan_check_write+0x14/0x20 [ 443.470741] Normal: [ 443.472964] ? do_raw_spin_lock+0xc1/0x200 [ 443.477167] 809*4kB [ 443.479473] br_multicast_group_expired+0x1bc/0x610 [ 443.483674] (UMEH) [ 443.485978] ? br_mdb_free+0x80/0x80 [ 443.490963] 372*8kB [ 443.493190] call_timer_fn+0x272/0x920 [ 443.496865] (UMEH) [ 443.499173] ? br_mdb_free+0x80/0x80 [ 443.503029] 191*16kB [ 443.505274] ? process_timeout+0x40/0x40 [ 443.508956] (UMEH) [ 443.511351] ? trace_hardirqs_off+0xb8/0x310 [ 443.515395] 81*32kB [ 443.517632] ? kasan_check_read+0x11/0x20 [ 443.522011] (UME) [ 443.524329] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.528445] 21*64kB [ 443.530591] ? trace_hardirqs_on+0x310/0x310 [ 443.534970] (UMH) [ 443.537281] ? __run_timers+0x7da/0xc70 [ 443.541660] 3*128kB [ 443.543800] ? lock_downgrade+0x900/0x900 [ 443.547741] (UH) [ 443.550057] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.554173] 0*256kB [ 443.556225] ? trace_hardirqs_on+0xbd/0x310 [ 443.561299] 0*512kB [ 443.563606] ? kasan_check_read+0x11/0x20 [ 443.567895] 0*1024kB [ 443.570200] ? __run_timers+0x7da/0xc70 [ 443.574316] 0*2048kB [ 443.576710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.580651] 0*4096kB [ 443.583050] ? kasan_check_write+0x14/0x20 [ 443.588466] = 13588kB [ 443.590857] ? do_raw_spin_lock+0xc1/0x200 [ 443.595068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.597457] ? br_mdb_free+0x80/0x80 [ 443.601666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.610957] __run_timers+0x7e5/0xc70 [ 443.614639] 348 total pagecache pages [ 443.623204] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 443.626971] 0 pages in swap cache [ 443.630755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.636088] Swap cache stats: add 0, delete 0, find 0/0 [ 443.639524] ? timerqueue_add+0x207/0x2b0 [ 443.644508] Free swap = 0kB [ 443.649855] ? enqueue_hrtimer+0x1a5/0x560 [ 443.653973] Total swap = 0kB [ 443.656972] ? lock_release+0x970/0x970 [ 443.661176] 1965979 pages RAM [ 443.664175] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.668119] 0 pages HighMem/MovableOnly [ 443.671224] ? kasan_check_write+0x14/0x20 [ 443.676382] 342307 pages reserved [ 443.680340] ? pvclock_read_flags+0x160/0x160 [ 443.684545] 0 pages cma reserved [ 443.687979] ? lock_downgrade+0x900/0x900 [ 443.692586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 443.695893] ? trace_hardirqs_on+0xbd/0x310 [ 443.700066] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.706485] ? kvm_sched_clock_read+0x9/0x20 [ 443.710782] syz-executor3 cpuset= [ 443.721249] ? irq_exit+0x17f/0x1c0 [ 443.725625] syz3 [ 443.729067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.732665] mems_allowed=0 [ 443.734627] ? check_preemption_disabled+0x48/0x200 [ 443.748059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.753603] run_timer_softirq+0x52/0xb0 [ 443.757657] ? __this_cpu_preempt_check+0x1c/0x1f [ 443.762492] __do_softirq+0x30b/0xad8 [ 443.766289] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 443.771387] ? pvclock_read_flags+0x160/0x160 [ 443.776092] ? lapic_next_event+0x5a/0x90 [ 443.780233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.785762] ? clockevents_program_event+0x140/0x370 [ 443.790859] ? kvm_clock_read+0x18/0x30 [ 443.794825] ? kvm_sched_clock_read+0x9/0x20 [ 443.799226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.804758] ? check_preemption_disabled+0x48/0x200 [ 443.809773] irq_exit+0x17f/0x1c0 [ 443.813220] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.818053] ? smp_reschedule_interrupt+0x109/0x650 [ 443.823167] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.829043] ? interrupt_entry+0xb5/0xf0 [ 443.833095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.838100] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.843106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.847938] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.852943] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.857951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.863480] ? check_preemption_disabled+0x48/0x200 [ 443.868485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.874023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.878862] apic_timer_interrupt+0xf/0x20 [ 443.883085] [ 443.885313] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 443.890496] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 443.909384] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 443.917081] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 443.924342] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 443.931601] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 443.938861] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 443.946123] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 443.953390] ? trace_hardirqs_on+0x9a/0x310 [ 443.957702] ? trace_hardirqs_on+0xb4/0x310 [ 443.962027] retint_kernel+0x1b/0x2d [ 443.965734] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 443.971017] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 443.989905] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 443.997600] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 444.004855] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 444.012202] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 444.019459] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 444.026716] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 444.034004] ? trace_hardirqs_on+0x9a/0x310 [ 444.038319] ? arch_local_irq_restore+0x45/0x52 [ 444.042981] dump_stack+0x26a/0x2b4 [ 444.046610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 444.051792] ? mark_held_locks+0x130/0x130 [ 444.056014] ? mark_held_locks+0x130/0x130 [ 444.060247] dump_header+0x27b/0xf72 [ 444.063951] ? rcu_read_unlock+0x16/0x60 [ 444.068016] ? pagefault_out_of_memory+0x197/0x197 [ 444.072944] ? mark_held_locks+0x130/0x130 [ 444.077167] ? percpu_ref_put_many+0x13e/0x260 [ 444.081738] ? mem_cgroup_charge_statistics+0x780/0x780 [ 444.087098] ? mem_cgroup_iter+0x1f7/0x1160 [ 444.091409] ? mark_held_locks+0x130/0x130 [ 444.095639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.101165] ? task_will_free_mem+0x239/0xb30 [ 444.105675] ? ___ratelimit+0x36f/0x655 [ 444.109641] ? lock_downgrade+0x900/0x900 [ 444.113780] ? trace_hardirqs_on+0xbd/0x310 [ 444.118088] ? kasan_check_read+0x11/0x20 [ 444.122227] ? ___ratelimit+0x36f/0x655 [ 444.126203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.131641] ? trace_hardirqs_on+0x310/0x310 [ 444.136044] ? lock_downgrade+0x900/0x900 [ 444.140200] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.145294] ? ___ratelimit+0xaa/0x655 [ 444.149171] ? idr_get_free+0xec0/0xec0 [ 444.153133] ? kasan_check_write+0x14/0x20 [ 444.157362] ? do_raw_spin_lock+0xc1/0x200 [ 444.161591] oom_kill_process.cold.27+0x10/0x903 [ 444.166335] ? lock_downgrade+0x900/0x900 [ 444.170479] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.176269] ? oom_evaluate_task+0x540/0x540 [ 444.180674] ? oom_unkillable_task+0x383/0x580 [ 444.185250] ? out_of_memory+0x974/0x1430 [ 444.189388] ? lock_downgrade+0x900/0x900 [ 444.193528] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.199331] ? __cpuset_node_allowed+0x19b/0x660 [ 444.204084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.209608] ? oom_evaluate_task+0x302/0x540 [ 444.214035] out_of_memory+0xa84/0x1430 [ 444.218003] ? oom_killer_disable+0x3a0/0x3a0 [ 444.222492] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 444.227413] ? __mutex_add_waiter+0x2a0/0x2a0 [ 444.231899] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.236901] ? find_next_bit+0x104/0x130 [ 444.240957] __alloc_pages_slowpath+0x2318/0x2d80 [ 444.245811] ? warn_alloc+0x120/0x120 [ 444.249602] ? __radix_tree_lookup+0x4c0/0x4c0 [ 444.254182] ? find_get_entry+0x2f2/0xc40 [ 444.258328] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 444.263250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.268779] ? should_fail+0x22d/0xd01 [ 444.272657] ? ___might_sleep+0x1ed/0x300 [ 444.276793] ? lock_release+0x970/0x970 [ 444.280763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.285857] ? debug_smp_processor_id+0x1c/0x20 [ 444.290521] ? __might_sleep+0x95/0x190 [ 444.294489] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 444.299323] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 444.304336] ? lock_downgrade+0x900/0x900 [ 444.308484] ? ___might_sleep+0x1ed/0x300 [ 444.312621] ? lock_release+0x970/0x970 [ 444.316603] ? arch_local_save_flags+0x40/0x40 [ 444.321182] ? finish_task_switch+0x1f5/0x900 [ 444.325671] ? __might_sleep+0x95/0x190 [ 444.329635] __alloc_pages_nodemask+0xa80/0xde0 [ 444.334301] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 444.339311] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.345113] ? mark_held_locks+0x130/0x130 [ 444.349338] ? kasan_check_write+0x14/0x20 [ 444.353564] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 444.358234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.363761] ? __do_page_cache_readahead+0x7ce/0x980 [ 444.368860] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 444.374388] alloc_pages_current+0x10c/0x210 [ 444.378786] ? lock_downgrade+0x900/0x900 [ 444.382926] __page_cache_alloc+0x38f/0x5b0 [ 444.387247] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.393042] ? ext4_filemap_fault+0x82/0xad [ 444.397357] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 444.402018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.407557] ? check_preemption_disabled+0x48/0x200 [ 444.412568] filemap_fault+0x1594/0x25f0 [ 444.416627] ? __lock_page_or_retry+0xa00/0xa00 [ 444.421286] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.427070] ? lock_downgrade+0x900/0x900 [ 444.431216] ? trace_hardirqs_on+0xbd/0x310 [ 444.435525] ? kasan_check_read+0x11/0x20 [ 444.439662] ? __free_object+0x173/0x340 [ 444.443716] ? filemap_map_pages+0xdea/0x1980 [ 444.448212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.453310] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 444.458574] ? debug_object_free+0x325/0x690 [ 444.462976] ? find_get_pages_range_tag+0x1320/0x1320 [ 444.468158] ? do_raw_spin_lock+0xc1/0x200 [ 444.472384] ? kasan_check_read+0x11/0x20 [ 444.476522] ? debug_object_destroy+0x2b0/0x2b0 [ 444.481182] ? kasan_check_write+0x14/0x20 [ 444.485529] ? lock_acquire+0x1ed/0x520 [ 444.489500] ? ext4_filemap_fault+0x7a/0xad [ 444.493818] ? lock_release+0x970/0x970 [ 444.497786] ? arch_local_save_flags+0x40/0x40 [ 444.502363] ? futex_wait_setup+0x3e0/0x3e0 [ 444.506682] ? down_read+0xb0/0x1d0 [ 444.510297] ? ext4_filemap_fault+0x7a/0xad [ 444.514609] ? __down_interruptible+0x700/0x700 [ 444.519277] ext4_filemap_fault+0x82/0xad [ 444.523417] __do_fault+0x100/0x6b0 [ 444.527037] ? print_bad_pte+0x6c0/0x6c0 [ 444.531093] ? do_futex+0x249/0x26d0 [ 444.534801] ? pmd_val+0x88/0x100 [ 444.538244] ? add_mm_counter_fast+0xd0/0xd0 [ 444.542640] ? pmd_val+0x88/0x100 [ 444.546083] ? add_mm_counter_fast+0xd0/0xd0 [ 444.550486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.556018] __handle_mm_fault+0x3709/0x53e0 [ 444.560415] ? perf_trace_lock+0x14d/0x7a0 [ 444.564643] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 444.569480] ? ksys_dup3+0x680/0x680 [ 444.573188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.578772] ? should_fail+0x22d/0xd01 [ 444.582663] ? lock_acquire+0x1ed/0x520 [ 444.586631] ? handle_mm_fault+0x42a/0xc70 [ 444.590855] ? lock_downgrade+0x900/0x900 [ 444.595000] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 444.600786] ? lock_downgrade+0x900/0x900 [ 444.604924] ? __do_page_fault+0x67d/0xed0 [ 444.609370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.614812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.620343] ? check_preemption_disabled+0x48/0x200 [ 444.625353] handle_mm_fault+0x54f/0xc70 [ 444.629406] ? __handle_mm_fault+0x53e0/0x53e0 [ 444.633980] ? find_vma+0x34/0x190 [ 444.637515] __do_page_fault+0x67d/0xed0 [ 444.641569] ? mm_fault_error+0x380/0x380 [ 444.645706] ? trace_hardirqs_off+0xb8/0x310 [ 444.650124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 444.655476] ? trace_hardirqs_on+0x310/0x310 [ 444.659896] do_page_fault+0xf2/0x7e0 [ 444.663686] ? vmalloc_sync_all+0x30/0x30 [ 444.667823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.673350] ? error_entry+0x70/0xd0 [ 444.677057] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.682063] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.686981] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.691898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.696736] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.701742] ? trace_hardirqs_off+0x310/0x310 [ 444.706233] ? prepare_exit_to_usermode+0x291/0x3b0 [ 444.711249] ? page_fault+0x8/0x30 [ 444.714779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.719610] ? page_fault+0x8/0x30 [ 444.723139] page_fault+0x1e/0x30 [ 444.726576] RIP: 0033:0x40f9c0 [ 444.729760] Code: Bad RIP value. [ 444.733115] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 444.738466] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 444.745724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 444.752979] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 444.760236] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 444.767492] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 444.774771] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 444.774892] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.782045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.792261] syz-fuzzer cpuset= [ 444.801589] Call Trace: [ 444.801596] / [ 444.804765] [ 444.807327] mems_allowed=0 [ 444.809025] dump_stack+0x1c4/0x2b4 [ 444.817753] ? dump_stack_print_info.cold.2+0x52/0x52 [ 444.822946] warn_alloc.cold.119+0xb7/0x1bd [ 444.827263] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.832096] ? lock_downgrade+0x900/0x900 [ 444.836237] ? trace_hardirqs_off+0xb8/0x310 [ 444.840639] ? trace_hardirqs_off+0xb8/0x310 [ 444.845040] __alloc_pages_slowpath+0x2667/0x2d80 [ 444.849974] ? warn_alloc+0x120/0x120 [ 444.853766] ? trace_hardirqs_on+0x310/0x310 [ 444.858169] ? warn_alloc+0x120/0x120 [ 444.861966] ? warn_alloc+0x120/0x120 [ 444.865758] ? ktime_get+0x2e1/0x440 [ 444.869461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.874988] ? check_preemption_disabled+0x48/0x200 [ 444.880001] ? kasan_check_read+0x11/0x20 [ 444.884140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.889672] ? should_fail+0x22d/0xd01 [ 444.893550] ? rcu_bh_qs+0xc0/0xc0 [ 444.897082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.902174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.907699] ? should_fail+0x22d/0xd01 [ 444.911579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.916673] ? should_fail+0x22d/0xd01 [ 444.920551] ? rcu_idle_enter+0x4b0/0x4b0 [ 444.924696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.929789] ? mark_held_locks+0x130/0x130 [ 444.934013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.939539] ? mark_held_locks+0x130/0x130 [ 444.943763] ? rcu_irq_exit+0xce/0x100 [ 444.947642] ? irq_exit+0xbd/0x1c0 [ 444.951182] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 444.956189] ? do_raw_spin_unlock+0xa7/0x2f0 [ 444.960585] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.966457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.971985] ? ret_from_intr+0xb/0x1e [ 444.975774] ? retint_kernel+0x2d/0x2d [ 444.979652] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.984580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.989327] ? trace_hardirqs_off+0x310/0x310 [ 444.993813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.998920] __alloc_pages_nodemask+0xa80/0xde0 [ 445.003580] ? should_fail+0x22d/0xd01 [ 445.007465] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 445.012485] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.017148] ? lock_downgrade+0x900/0x900 [ 445.021305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.026838] cache_grow_begin+0x91/0x8c0 [ 445.030891] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.035301] fallback_alloc+0x203/0x2e0 [ 445.039269] ____cache_alloc_node+0x1c7/0x1e0 [ 445.043779] kmem_cache_alloc_node+0xe3/0x730 [ 445.048263] ? ipv6_get_ifaddr+0x42e/0x620 [ 445.052495] __alloc_skb+0x119/0x770 [ 445.056203] ? skb_scrub_packet+0x490/0x490 [ 445.060515] ? lock_downgrade+0x900/0x900 [ 445.064662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.070188] ? refcount_sub_and_test_checked+0x203/0x310 [ 445.075630] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 445.081075] ? addrconf_rs_timer+0x690/0x690 [ 445.085479] ndisc_alloc_skb+0x144/0x340 [ 445.089536] ndisc_send_rs+0x331/0x6e0 [ 445.093418] addrconf_rs_timer+0x314/0x690 [ 445.097644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.101879] call_timer_fn+0x272/0x920 [ 445.105767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.109993] ? process_timeout+0x40/0x40 [ 445.114043] ? trace_hardirqs_off+0xb8/0x310 [ 445.118438] ? kasan_check_read+0x11/0x20 [ 445.122594] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.127021] ? trace_hardirqs_on+0x310/0x310 [ 445.131436] ? __run_timers+0x7da/0xc70 [ 445.135402] ? lock_downgrade+0x900/0x900 [ 445.139544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.144635] ? trace_hardirqs_on+0xbd/0x310 [ 445.148965] ? kasan_check_read+0x11/0x20 [ 445.153109] ? __run_timers+0x7da/0xc70 [ 445.157073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.162512] ? kasan_check_write+0x14/0x20 [ 445.166736] ? do_raw_spin_lock+0xc1/0x200 [ 445.170965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.175205] __run_timers+0x7e5/0xc70 [ 445.179007] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 445.184359] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.189365] ? timerqueue_add+0x207/0x2b0 [ 445.193501] ? enqueue_hrtimer+0x1a5/0x560 [ 445.197826] ? lock_release+0x970/0x970 [ 445.201793] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.206985] ? kasan_check_write+0x14/0x20 [ 445.211216] ? pvclock_read_flags+0x160/0x160 [ 445.215705] ? lock_downgrade+0x900/0x900 [ 445.219859] ? trace_hardirqs_on+0xbd/0x310 [ 445.224178] ? kvm_sched_clock_read+0x9/0x20 [ 445.228578] ? irq_exit+0x17f/0x1c0 [ 445.232211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.237742] ? check_preemption_disabled+0x48/0x200 [ 445.242747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.248278] run_timer_softirq+0x52/0xb0 [ 445.252330] ? __this_cpu_preempt_check+0x1c/0x1f [ 445.257162] __do_softirq+0x30b/0xad8 [ 445.260956] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 445.266052] ? pvclock_read_flags+0x160/0x160 [ 445.270535] ? lapic_next_event+0x5a/0x90 [ 445.274671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.280199] ? clockevents_program_event+0x140/0x370 [ 445.285297] ? kvm_clock_read+0x18/0x30 [ 445.289263] ? kvm_sched_clock_read+0x9/0x20 [ 445.293663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.299190] ? check_preemption_disabled+0x48/0x200 [ 445.304201] irq_exit+0x17f/0x1c0 [ 445.307649] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.312483] ? smp_reschedule_interrupt+0x109/0x650 [ 445.317489] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.323362] ? interrupt_entry+0xb5/0xf0 [ 445.327415] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.332423] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.337429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.342262] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.347268] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.352293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.357819] ? check_preemption_disabled+0x48/0x200 [ 445.362827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.368356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.373189] apic_timer_interrupt+0xf/0x20 [ 445.377409] [ 445.379639] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.384559] 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 [ 445.403449] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 445.411144] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 445.418401] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 445.425662] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 445.432922] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 445.440179] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 445.447463] ? trace_hardirqs_on+0xb4/0x310 [ 445.451777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.457306] skb_clone+0x1bb/0x500 [ 445.460837] ? skb_split+0x11e0/0x11e0 [ 445.464716] ? check_preemption_disabled+0x48/0x200 [ 445.469739] ? __this_cpu_preempt_check+0x1c/0x1f [ 445.474572] ? __bpf_redirect+0x54b/0xb20 [ 445.478729] ? __switch_to_asm+0x34/0x70 [ 445.482782] bpf_clone_redirect+0xb9/0x490 [ 445.487012] bpf_prog_466abe619656067b+0x436/0x1000 [ 445.492022] ? __sched_text_start+0x8/0x8 [ 445.496165] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.500922] ? retint_kernel+0x2d/0x2d [ 445.504805] ? lock_acquire+0x1ed/0x520 [ 445.508770] ? bpf_test_run+0x32e/0x5a0 [ 445.512734] ? lock_downgrade+0x900/0x900 [ 445.516880] ? lock_release+0x970/0x970 [ 445.520849] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 445.526644] ? preempt_schedule_common+0x1f/0xd0 [ 445.531390] ? preempt_schedule+0x4d/0x60 [ 445.535528] ? ___preempt_schedule+0x16/0x18 [ 445.539931] ? bpf_test_run+0x1c0/0x5a0 [ 445.543900] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.548299] ? bpf_prog_test_run_skb+0x295/0xb40 [ 445.553045] ? bpf_prog_test_run_skb+0x634/0xb40 [ 445.557793] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.562634] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.568161] ? fput+0x130/0x1a0 [ 445.571434] ? __bpf_prog_get+0x9b/0x290 [ 445.575500] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.580416] ? bpf_prog_test_run+0x130/0x1a0 [ 445.584816] ? __x64_sys_bpf+0x3d8/0x510 [ 445.588874] ? bpf_prog_get+0x20/0x20 [ 445.592677] ? do_syscall_64+0x1b9/0x820 [ 445.596730] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.602087] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.607378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.612216] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.617223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.622255] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.627264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.632102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.637466] warn_alloc_show_mem: 1 callbacks suppressed [ 445.637474] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 445.637476] Mem-Info: [ 445.637504] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 445.637504] active_file:98 inactive_file:120 isolated_file:0 [ 445.637504] unevictable:0 dirty:0 writeback:0 unstable:0 [ 445.637504] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 445.637504] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 445.637504] free:13602 free_pcp:142 free_cma:0 [ 445.642836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.649763] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 445.652149] Call Trace: [ 445.685087] Node 0 [ 445.694423] [ 445.722090] 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 [ 445.724644] dump_stack+0x1c4/0x2b4 [ 445.726857] lowmem_reserve[]: [ 445.728993] ? dump_stack_print_info.cold.2+0x52/0x52 [ 445.754459] 0 [ 445.758076] warn_alloc.cold.119+0xb7/0x1bd [ 445.761147] 2819 [ 445.766331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.768106] 6323 [ 445.772410] ? lock_downgrade+0x900/0x900 [ 445.774951] 6323 [ 445.779796] ? trace_hardirqs_off+0xb8/0x310 [ 445.781820] Node 0 [ 445.785958] ? trace_hardirqs_off+0xb8/0x310 [ 445.788014] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 445.792389] __alloc_pages_slowpath+0x2667/0x2d80 [ 445.794596] lowmem_reserve[]: [ 445.799000] ? debug_object_activate+0x402/0x600 [ 445.826093] 0 0 [ 445.830928] ? warn_alloc+0x120/0x120 [ 445.834001] 3503 [ 445.838742] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.840685] 3503 [ 445.844467] ? warn_alloc+0x120/0x120 [ 445.851497] ? get_stack_info+0x37/0x142 [ 445.853525] Node 0 [ 445.857307] ? warn_alloc+0x120/0x120 [ 445.861359] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 445.863559] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.867327] lowmem_reserve[]: [ 445.895853] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 445.900844] 0 [ 445.903934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.908654] 0 [ 445.910439] ? should_fail+0x22d/0xd01 [ 445.915943] 0 [ 445.917731] ? is_bpf_text_address+0xac/0x170 [ 445.921586] 0 [ 445.923387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.929635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.934704] Node 0 [ 445.940221] ? should_fail+0x22d/0xd01 [ 445.940228] DMA: [ 445.942451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.946307] 1*4kB [ 445.948352] ? should_fail+0x22d/0xd01 [ 445.953423] (U) [ 445.955558] ? kasan_check_read+0x11/0x20 [ 445.959417] 0*8kB [ 445.961382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.965521] 0*16kB [ 445.967665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.972927] 1*32kB [ 445.975148] ? unwind_dump+0x190/0x190 [ 445.980218] (U) [ 445.982437] ? mark_held_locks+0x130/0x130 [ 445.986293] 2*64kB [ 445.988252] ? mark_held_locks+0x130/0x130 [ 445.992458] (U) [ 445.994678] ? update_stack_state+0x1a5/0x690 [ 445.998883] 1*128kB [ 446.000842] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 446.005304] (U) [ 446.007612] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 446.012592] 1*256kB [ 446.014555] ? is_bpf_text_address+0xac/0x170 [ 446.019278] (U) [ 446.021688] ? lock_downgrade+0x900/0x900 [ 446.026240] 0*512kB [ 446.028201] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 446.032318] 1*1024kB [ 446.034626] ? kasan_check_read+0x11/0x20 [ 446.040390] (U) [ 446.042789] __alloc_pages_nodemask+0xa80/0xde0 [ 446.046905] 1*2048kB [ 446.048865] ? should_fail+0x22d/0xd01 [ 446.053498] (M) [ 446.055897] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 446.059755] 3*4096kB [ 446.061712] ? is_bpf_text_address+0xd3/0x170 [ 446.066705] (M) [ 446.069110] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.073568] = 15908kB [ 446.075541] ? lock_downgrade+0x900/0x900 [ 446.080176] Node 0 [ 446.082576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.086691] DMA32: [ 446.088914] cache_grow_begin+0x91/0x8c0 [ 446.094420] 5*4kB [ 446.096641] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.100671] (UM) [ 446.102813] fallback_alloc+0x203/0x2e0 [ 446.107190] 0*8kB [ 446.109237] ____cache_alloc_node+0x1c7/0x1e0 [ 446.113177] 5*16kB [ 446.115313] kmem_cache_alloc_node+0xe3/0x730 [ 446.119772] (UMH) [ 446.121996] __alloc_skb+0x119/0x770 [ 446.126457] 5*32kB [ 446.128593] ? skb_scrub_packet+0x490/0x490 [ 446.132288] (UMH) [ 446.134513] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 446.138808] 7*64kB [ 446.140940] ? queue_work_on+0x12c/0x1e0 [ 446.145489] (UM) [ 446.147713] ? switchdev_port_obj_del+0xdc/0x450 [ 446.151741] 4*128kB [ 446.153785] ? switchdev_trans_item_enqueue+0x260/0x260 [ 446.158512] (UM) [ 446.160830] ? do_raw_spin_lock+0xc1/0x200 [ 446.166162] 5*256kB [ 446.168213] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 446.172414] (UMH) [ 446.174726] __br_mdb_notify+0x4ff/0x15d0 [ 446.179709] 4*512kB [ 446.181843] ? __br_mdb_add+0x800/0x800 [ 446.185955] (UM) [ 446.188263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.192207] 4*1024kB [ 446.194257] ? check_preemption_disabled+0x48/0x200 [ 446.199760] (UMH) [ 446.202162] ? br_multicast_group_expired+0x96/0x610 [ 446.207155] 4*2048kB [ 446.209307] ? lock_downgrade+0x900/0x900 [ 446.214376] (UM) [ 446.216772] br_mdb_notify+0x310/0x410 [ 446.220886] 2*4096kB (M) [ 446.222954] ? br_mdb_dump+0x2530/0x2530 [ 446.226816] = 25028kB [ 446.229555] ? kasan_check_write+0x14/0x20 [ 446.233591] Node 0 [ 446.235984] ? do_raw_spin_lock+0xc1/0x200 [ 446.240190] Normal: [ 446.242414] br_multicast_group_expired+0x1bc/0x610 [ 446.246619] 809*4kB [ 446.248926] ? br_mdb_free+0x80/0x80 [ 446.253910] (UMEH) [ 446.256225] call_timer_fn+0x272/0x920 [ 446.259905] 372*8kB [ 446.262125] ? br_mdb_free+0x80/0x80 [ 446.265994] (UMEH) [ 446.268301] ? process_timeout+0x40/0x40 [ 446.271996] 191*16kB [ 446.274218] ? trace_hardirqs_off+0xb8/0x310 [ 446.278247] (UMEH) [ 446.280642] ? kasan_check_read+0x11/0x20 [ 446.285034] 81*32kB [ 446.287372] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.291485] (UME) [ 446.293798] ? trace_hardirqs_on+0x310/0x310 [ 446.298173] 21*64kB (UMH) [ 446.300312] ? __run_timers+0x7da/0xc70 [ 446.304689] 3*128kB [ 446.307531] ? lock_downgrade+0x900/0x900 [ 446.311479] (UH) [ 446.313797] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.317911] 0*256kB [ 446.319956] ? trace_hardirqs_on+0xbd/0x310 [ 446.325029] 0*512kB [ 446.327340] ? kasan_check_read+0x11/0x20 [ 446.331643] 0*1024kB [ 446.333951] ? __run_timers+0x7da/0xc70 [ 446.338070] 0*2048kB [ 446.340477] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.344418] 0*4096kB [ 446.346813] ? kasan_check_write+0x14/0x20 [ 446.352229] = 13588kB [ 446.354625] ? do_raw_spin_lock+0xc1/0x200 [ 446.358834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 446.361221] ? br_mdb_free+0x80/0x80 [ 446.365432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 446.374243] __run_timers+0x7e5/0xc70 [ 446.377924] 348 total pagecache pages [ 446.386485] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 446.390253] 0 pages in swap cache [ 446.394041] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 446.399370] Swap cache stats: add 0, delete 0, find 0/0 [ 446.402806] ? timerqueue_add+0x207/0x2b0 [ 446.407791] Free swap = 0kB [ 446.413133] ? enqueue_hrtimer+0x1a5/0x560 [ 446.417251] Total swap = 0kB [ 446.420251] ? lock_release+0x970/0x970 [ 446.424454] 1965979 pages RAM [ 446.427456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 446.431398] 0 pages HighMem/MovableOnly [ 446.434484] ? kasan_check_write+0x14/0x20 [ 446.439642] 342307 pages reserved [ 446.443599] ? pvclock_read_flags+0x160/0x160 [ 446.447803] 0 pages cma reserved [ 446.451237] ? lock_downgrade+0x900/0x900 [ 446.455747] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 446.459056] ? trace_hardirqs_on+0xbd/0x310 [ 446.459066] ? kvm_sched_clock_read+0x9/0x20 [ 446.459098] ? irq_exit+0x17f/0x1c0 [ 446.463270] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.469709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.474013] syz-executor3 cpuset= [ 446.478513] ? check_preemption_disabled+0x48/0x200 [ 446.482103] syz3 [ 446.492569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.498074] mems_allowed=0 [ 446.501511] run_timer_softirq+0x52/0xb0 [ 446.520916] ? __this_cpu_preempt_check+0x1c/0x1f [ 446.525747] __do_softirq+0x30b/0xad8 [ 446.529547] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 446.534642] ? pvclock_read_flags+0x160/0x160 [ 446.539125] ? lapic_next_event+0x5a/0x90 [ 446.543264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.548810] ? clockevents_program_event+0x140/0x370 [ 446.553904] ? kvm_clock_read+0x18/0x30 [ 446.557867] ? kvm_sched_clock_read+0x9/0x20 [ 446.562267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.567793] ? check_preemption_disabled+0x48/0x200 [ 446.572803] irq_exit+0x17f/0x1c0 [ 446.576245] smp_apic_timer_interrupt+0x1cb/0x760 [ 446.581075] ? smp_reschedule_interrupt+0x109/0x650 [ 446.586079] ? smp_call_function_single_interrupt+0x650/0x650 [ 446.591950] ? interrupt_entry+0xb5/0xf0 [ 446.596091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.601102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.606109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.610938] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.615940] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.620947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.626475] ? check_preemption_disabled+0x48/0x200 [ 446.631479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.637021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.641858] apic_timer_interrupt+0xf/0x20 [ 446.646080] [ 446.648311] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 446.653495] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 446.672383] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 446.680079] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 446.687336] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 446.694591] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 446.701849] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 446.709106] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 446.716371] ? trace_hardirqs_on+0x9a/0x310 [ 446.720703] ? trace_hardirqs_on+0xb4/0x310 [ 446.725022] retint_kernel+0x1b/0x2d [ 446.728729] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 446.734115] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 446.753009] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 446.760709] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 446.767967] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 446.775225] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 446.782480] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 446.789766] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 446.797031] ? trace_hardirqs_on+0x9a/0x310 [ 446.801346] ? arch_local_irq_restore+0x45/0x52 [ 446.806016] dump_stack+0x26a/0x2b4 [ 446.809640] ? dump_stack_print_info.cold.2+0x52/0x52 [ 446.814909] ? mark_held_locks+0x130/0x130 [ 446.819132] ? mark_held_locks+0x130/0x130 [ 446.823360] dump_header+0x27b/0xf72 [ 446.827064] ? rcu_read_unlock+0x16/0x60 [ 446.831116] ? pagefault_out_of_memory+0x197/0x197 [ 446.836059] ? mark_held_locks+0x130/0x130 [ 446.840288] ? percpu_ref_put_many+0x13e/0x260 [ 446.844950] ? mem_cgroup_charge_statistics+0x780/0x780 [ 446.850311] ? mem_cgroup_iter+0x1f7/0x1160 [ 446.854620] ? mark_held_locks+0x130/0x130 [ 446.858848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.864375] ? task_will_free_mem+0x239/0xb30 [ 446.868870] ? ___ratelimit+0x36f/0x655 [ 446.872833] ? lock_downgrade+0x900/0x900 [ 446.876977] ? trace_hardirqs_on+0xbd/0x310 [ 446.881289] ? kasan_check_read+0x11/0x20 [ 446.885426] ? ___ratelimit+0x36f/0x655 [ 446.889390] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.894832] ? trace_hardirqs_on+0x310/0x310 [ 446.899228] ? lock_downgrade+0x900/0x900 [ 446.903370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.908460] ? ___ratelimit+0xaa/0x655 [ 446.912341] ? idr_get_free+0xec0/0xec0 [ 446.916303] ? kasan_check_write+0x14/0x20 [ 446.920530] ? do_raw_spin_lock+0xc1/0x200 [ 446.924768] oom_kill_process.cold.27+0x10/0x903 [ 446.929515] ? lock_downgrade+0x900/0x900 [ 446.933661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 446.939455] ? oom_evaluate_task+0x540/0x540 [ 446.943856] ? oom_unkillable_task+0x383/0x580 [ 446.948425] ? out_of_memory+0x974/0x1430 [ 446.952560] ? lock_downgrade+0x900/0x900 [ 446.956705] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 446.962503] ? __cpuset_node_allowed+0x19b/0x660 [ 446.967251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.972777] ? oom_evaluate_task+0x302/0x540 [ 446.977178] out_of_memory+0xa84/0x1430 [ 446.981148] ? oom_killer_disable+0x3a0/0x3a0 [ 446.985634] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 446.990557] ? __mutex_add_waiter+0x2a0/0x2a0 [ 446.995040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.000046] ? find_next_bit+0x104/0x130 [ 447.004100] __alloc_pages_slowpath+0x2318/0x2d80 [ 447.008947] ? warn_alloc+0x120/0x120 [ 447.012745] ? __radix_tree_lookup+0x4c0/0x4c0 [ 447.017324] ? find_get_entry+0x2f2/0xc40 [ 447.021478] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 447.026398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.031923] ? should_fail+0x22d/0xd01 [ 447.035807] ? ___might_sleep+0x1ed/0x300 [ 447.039944] ? lock_release+0x970/0x970 [ 447.043909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.049001] ? debug_smp_processor_id+0x1c/0x20 [ 447.053667] ? __might_sleep+0x95/0x190 [ 447.057632] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 447.062468] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.067478] ? lock_downgrade+0x900/0x900 [ 447.071703] ? ___might_sleep+0x1ed/0x300 [ 447.075846] ? lock_release+0x970/0x970 [ 447.079813] ? arch_local_save_flags+0x40/0x40 [ 447.084384] ? finish_task_switch+0x1f5/0x900 [ 447.088873] ? __might_sleep+0x95/0x190 [ 447.092850] __alloc_pages_nodemask+0xa80/0xde0 [ 447.097515] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.102521] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 447.108310] ? mark_held_locks+0x130/0x130 [ 447.112530] ? kasan_check_write+0x14/0x20 [ 447.116868] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 447.121534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.127064] ? __do_page_cache_readahead+0x7ce/0x980 [ 447.132162] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 447.137688] alloc_pages_current+0x10c/0x210 [ 447.142094] ? lock_downgrade+0x900/0x900 [ 447.146235] __page_cache_alloc+0x38f/0x5b0 [ 447.150544] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 447.156328] ? ext4_filemap_fault+0x82/0xad [ 447.160637] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 447.165295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.170822] ? check_preemption_disabled+0x48/0x200 [ 447.175833] filemap_fault+0x1594/0x25f0 [ 447.179890] ? __lock_page_or_retry+0xa00/0xa00 [ 447.184566] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 447.190349] ? lock_downgrade+0x900/0x900 [ 447.194492] ? trace_hardirqs_on+0xbd/0x310 [ 447.198805] ? kasan_check_read+0x11/0x20 [ 447.202948] ? __free_object+0x173/0x340 [ 447.207008] ? filemap_map_pages+0xdea/0x1980 [ 447.211510] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 447.216605] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 447.221869] ? debug_object_free+0x325/0x690 [ 447.226267] ? find_get_pages_range_tag+0x1320/0x1320 [ 447.231448] ? do_raw_spin_lock+0xc1/0x200 [ 447.235676] ? kasan_check_read+0x11/0x20 [ 447.239821] ? debug_object_destroy+0x2b0/0x2b0 [ 447.244481] ? kasan_check_write+0x14/0x20 [ 447.248714] ? lock_acquire+0x1ed/0x520 [ 447.252677] ? ext4_filemap_fault+0x7a/0xad [ 447.256997] ? lock_release+0x970/0x970 [ 447.260964] ? arch_local_save_flags+0x40/0x40 [ 447.265541] ? futex_wait_setup+0x3e0/0x3e0 [ 447.269859] ? down_read+0xb0/0x1d0 [ 447.273476] ? ext4_filemap_fault+0x7a/0xad [ 447.277787] ? __down_interruptible+0x700/0x700 [ 447.282452] ext4_filemap_fault+0x82/0xad [ 447.286592] __do_fault+0x100/0x6b0 [ 447.290210] ? print_bad_pte+0x6c0/0x6c0 [ 447.294274] ? do_futex+0x249/0x26d0 [ 447.297989] ? pmd_val+0x88/0x100 [ 447.301434] ? add_mm_counter_fast+0xd0/0xd0 [ 447.305834] ? pmd_val+0x88/0x100 [ 447.309276] ? add_mm_counter_fast+0xd0/0xd0 [ 447.313676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.319210] __handle_mm_fault+0x3709/0x53e0 [ 447.323607] ? perf_trace_lock+0x14d/0x7a0 [ 447.327853] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 447.332686] ? ksys_dup3+0x680/0x680 [ 447.336400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.341929] ? should_fail+0x22d/0xd01 [ 447.345826] ? lock_acquire+0x1ed/0x520 [ 447.349792] ? handle_mm_fault+0x42a/0xc70 [ 447.354019] ? lock_downgrade+0x900/0x900 [ 447.358160] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 447.363945] ? lock_downgrade+0x900/0x900 [ 447.368089] ? __do_page_fault+0x67d/0xed0 [ 447.372316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.377755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.383283] ? check_preemption_disabled+0x48/0x200 [ 447.388292] handle_mm_fault+0x54f/0xc70 [ 447.392347] ? __handle_mm_fault+0x53e0/0x53e0 [ 447.396922] ? find_vma+0x34/0x190 [ 447.400462] __do_page_fault+0x67d/0xed0 [ 447.404515] ? mm_fault_error+0x380/0x380 [ 447.408653] ? trace_hardirqs_off+0xb8/0x310 [ 447.413050] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.418404] ? trace_hardirqs_on+0x310/0x310 [ 447.422804] do_page_fault+0xf2/0x7e0 [ 447.426594] ? vmalloc_sync_all+0x30/0x30 [ 447.430730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.436258] ? error_entry+0x70/0xd0 [ 447.439966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.444974] ? trace_hardirqs_on_caller+0xc0/0x310 [ 447.449894] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.454812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.459644] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.464647] ? trace_hardirqs_off+0x310/0x310 [ 447.469135] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.474142] ? page_fault+0x8/0x30 [ 447.477673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.482516] ? page_fault+0x8/0x30 [ 447.486044] page_fault+0x1e/0x30 [ 447.489487] RIP: 0033:0x40f9c0 [ 447.492675] Code: Bad RIP value. [ 447.496040] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 447.501393] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 447.508652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 447.515914] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 447.523175] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 447.530434] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 447.537712] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 447.537829] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.544978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.555172] syz-fuzzer cpuset= [ 447.564496] Call Trace: [ 447.564515] / [ 447.567686] [ 447.570246] mems_allowed=0 [ 447.571942] dump_stack+0x1c4/0x2b4 [ 447.571959] ? dump_stack_print_info.cold.2+0x52/0x52 [ 447.585773] warn_alloc.cold.119+0xb7/0x1bd [ 447.590087] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.594923] ? lock_downgrade+0x900/0x900 [ 447.599065] ? trace_hardirqs_off+0xb8/0x310 [ 447.603478] ? trace_hardirqs_off+0xb8/0x310 [ 447.608309] __alloc_pages_slowpath+0x2667/0x2d80 [ 447.613158] ? warn_alloc+0x120/0x120 [ 447.616953] ? warn_alloc+0x120/0x120 [ 447.620746] ? warn_alloc+0x120/0x120 [ 447.624538] ? mark_held_locks+0x130/0x130 [ 447.628767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.634294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.639824] ? should_fail+0x22d/0xd01 [ 447.643705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.648798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.654331] ? should_fail+0x22d/0xd01 [ 447.658209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.663298] ? should_fail+0x22d/0xd01 [ 447.667180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.672277] ? mark_held_locks+0x130/0x130 [ 447.676503] ? mark_held_locks+0x130/0x130 [ 447.680725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.686252] ? trace_hardirqs_off+0xb8/0x310 [ 447.690653] ? kasan_check_read+0x11/0x20 [ 447.694797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.699193] ? trace_hardirqs_on+0x310/0x310 [ 447.703592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.709133] ? wq_watchdog_touch+0x9c/0xfe [ 447.713358] ? io_serial_in+0x11/0x90 [ 447.717156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.722693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 447.727793] __alloc_pages_nodemask+0xa80/0xde0 [ 447.732451] ? should_fail+0x22d/0xd01 [ 447.736333] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.741353] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.746010] ? lock_downgrade+0x900/0x900 [ 447.750151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.755684] cache_grow_begin+0x91/0x8c0 [ 447.759739] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.764143] fallback_alloc+0x203/0x2e0 [ 447.768108] ____cache_alloc_node+0x1c7/0x1e0 [ 447.772596] kmem_cache_alloc_node+0xe3/0x730 [ 447.777568] ? ipv6_get_ifaddr+0x42e/0x620 [ 447.781798] __alloc_skb+0x119/0x770 [ 447.785501] ? skb_scrub_packet+0x490/0x490 [ 447.789811] ? lock_downgrade+0x900/0x900 [ 447.793954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.799484] ? refcount_sub_and_test_checked+0x203/0x310 [ 447.804927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 447.810371] ? addrconf_rs_timer+0x690/0x690 [ 447.814775] ndisc_alloc_skb+0x144/0x340 [ 447.818830] ndisc_send_rs+0x331/0x6e0 [ 447.822710] addrconf_rs_timer+0x314/0x690 [ 447.826938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.831171] call_timer_fn+0x272/0x920 [ 447.835051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.839274] ? process_timeout+0x40/0x40 [ 447.843323] ? trace_hardirqs_off+0xb8/0x310 [ 447.847721] ? kasan_check_read+0x11/0x20 [ 447.851863] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.856262] ? trace_hardirqs_on+0x310/0x310 [ 447.860669] ? __run_timers+0x7da/0xc70 [ 447.864634] ? lock_downgrade+0x900/0x900 [ 447.868782] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 447.873875] ? trace_hardirqs_on+0xbd/0x310 [ 447.878183] ? kasan_check_read+0x11/0x20 [ 447.882322] ? __run_timers+0x7da/0xc70 [ 447.886291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.891735] ? kasan_check_write+0x14/0x20 [ 447.895960] ? do_raw_spin_lock+0xc1/0x200 [ 447.900188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.904416] __run_timers+0x7e5/0xc70 [ 447.908213] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 447.913565] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.918572] ? timerqueue_add+0x207/0x2b0 [ 447.922711] ? enqueue_hrtimer+0x1a5/0x560 [ 447.926936] ? lock_release+0x970/0x970 [ 447.930905] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.936088] ? kasan_check_write+0x14/0x20 [ 447.940317] ? pvclock_read_flags+0x160/0x160 [ 447.944804] ? lock_downgrade+0x900/0x900 [ 447.948946] ? trace_hardirqs_on+0xbd/0x310 [ 447.953257] ? kvm_sched_clock_read+0x9/0x20 [ 447.957664] ? irq_exit+0x17f/0x1c0 [ 447.961285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.966813] ? check_preemption_disabled+0x48/0x200 [ 447.971826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.977355] run_timer_softirq+0x52/0xb0 [ 447.981411] ? __this_cpu_preempt_check+0x1c/0x1f [ 447.986241] __do_softirq+0x30b/0xad8 [ 447.990035] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 447.995130] ? pvclock_read_flags+0x160/0x160 [ 447.999617] ? lapic_next_event+0x5a/0x90 [ 448.003763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.009288] ? clockevents_program_event+0x140/0x370 [ 448.014381] ? kvm_clock_read+0x18/0x30 [ 448.018349] ? kvm_sched_clock_read+0x9/0x20 [ 448.022750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.028282] ? check_preemption_disabled+0x48/0x200 [ 448.033295] irq_exit+0x17f/0x1c0 [ 448.036740] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.041574] ? smp_reschedule_interrupt+0x109/0x650 [ 448.046584] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.052459] ? interrupt_entry+0xb5/0xf0 [ 448.056512] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.061520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.066531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.071365] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.076375] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.081391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.086918] ? check_preemption_disabled+0x48/0x200 [ 448.091922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.097450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.102286] apic_timer_interrupt+0xf/0x20 [ 448.106508] [ 448.108735] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 448.113660] 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 [ 448.132550] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 448.140249] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 448.147509] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 448.154768] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 448.162028] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 448.169286] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 448.176556] ? trace_hardirqs_on+0xb4/0x310 [ 448.180876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.186408] skb_clone+0x1bb/0x500 [ 448.189937] ? skb_split+0x11e0/0x11e0 [ 448.193929] ? check_preemption_disabled+0x48/0x200 [ 448.198940] ? __this_cpu_preempt_check+0x1c/0x1f [ 448.203772] ? __bpf_redirect+0x54b/0xb20 [ 448.207911] ? __switch_to_asm+0x34/0x70 [ 448.211967] bpf_clone_redirect+0xb9/0x490 [ 448.216194] bpf_prog_466abe619656067b+0x436/0x1000 [ 448.221202] ? __sched_text_start+0x8/0x8 [ 448.225342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.230087] ? retint_kernel+0x2d/0x2d [ 448.233971] ? lock_acquire+0x1ed/0x520 [ 448.237939] ? bpf_test_run+0x32e/0x5a0 [ 448.241905] ? lock_downgrade+0x900/0x900 [ 448.246044] ? lock_release+0x970/0x970 [ 448.250021] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 448.255814] ? preempt_schedule_common+0x1f/0xd0 [ 448.260559] ? preempt_schedule+0x4d/0x60 [ 448.264696] ? ___preempt_schedule+0x16/0x18 [ 448.269096] ? bpf_test_run+0x1c0/0x5a0 [ 448.273067] ? netlink_diag_dump+0x2a0/0x2a0 [ 448.277467] ? bpf_prog_test_run_skb+0x295/0xb40 [ 448.282212] ? bpf_prog_test_run_skb+0x634/0xb40 [ 448.286961] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 448.291789] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 448.297311] ? fput+0x130/0x1a0 [ 448.300580] ? __bpf_prog_get+0x9b/0x290 [ 448.304639] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 448.309470] ? bpf_prog_test_run+0x130/0x1a0 [ 448.313880] ? __x64_sys_bpf+0x3d8/0x510 [ 448.317928] ? bpf_prog_get+0x20/0x20 [ 448.321730] ? do_syscall_64+0x1b9/0x820 [ 448.325784] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 448.331136] ? syscall_return_slowpath+0x5e0/0x5e0 [ 448.336058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.340890] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.345895] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 448.350903] ? prepare_exit_to_usermode+0x291/0x3b0 [ 448.355912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.360750] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 448.366111] warn_alloc_show_mem: 1 callbacks suppressed [ 448.366120] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 448.366121] Mem-Info: [ 448.366149] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 448.366149] active_file:98 inactive_file:120 isolated_file:0 [ 448.366149] unevictable:0 dirty:0 writeback:0 unstable:0 [ 448.366149] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 448.366149] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 448.366149] free:13602 free_pcp:142 free_cma:0 [ 448.371488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.378414] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 448.380798] Call Trace: [ 448.413735] Node 0 [ 448.423069] [ 448.450854] 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 [ 448.453426] dump_stack+0x1c4/0x2b4 [ 448.455630] lowmem_reserve[]: [ 448.457765] ? dump_stack_print_info.cold.2+0x52/0x52 [ 448.483229] 0 [ 448.486846] warn_alloc.cold.119+0xb7/0x1bd [ 448.489915] 2819 [ 448.495085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.496958] 6323 [ 448.501350] ? lock_downgrade+0x900/0x900 [ 448.503384] 6323 [ 448.508219] ? trace_hardirqs_off+0xb8/0x310 [ 448.514378] ? trace_hardirqs_off+0xb8/0x310 [ 448.516409] Node 0 [ 448.520799] __alloc_pages_slowpath+0x2667/0x2d80 [ 448.525192] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 448.527399] ? debug_object_activate+0x402/0x600 [ 448.532204] lowmem_reserve[]: [ 448.558728] ? warn_alloc+0x120/0x120 [ 448.563453] 0 [ 448.566541] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.570307] 0 [ 448.572095] ? warn_alloc+0x120/0x120 [ 448.577076] 3503 [ 448.578869] ? get_stack_info+0x37/0x142 [ 448.582633] 3503 [ 448.584683] ? warn_alloc+0x120/0x120 [ 448.590755] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.594525] Node 0 [ 448.599529] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 448.599560] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 448.601775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.606509] lowmem_reserve[]: [ 448.634943] ? should_fail+0x22d/0xd01 [ 448.640445] 0 [ 448.643534] ? is_bpf_text_address+0xac/0x170 [ 448.647389] 0 [ 448.649175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.653637] 0 [ 448.655423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.660490] 0 [ 448.662277] ? should_fail+0x22d/0xd01 [ 448.669563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.673424] Node 0 [ 448.678507] ? should_fail+0x22d/0xd01 [ 448.678514] DMA: [ 448.680736] ? kasan_check_read+0x11/0x20 [ 448.684593] 1*4kB [ 448.686640] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 448.690752] (U) [ 448.692888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.698131] 0*8kB [ 448.700101] ? unwind_dump+0x190/0x190 [ 448.705171] 0*16kB [ 448.707304] ? mark_held_locks+0x130/0x130 [ 448.711160] 1*32kB [ 448.713378] ? mark_held_locks+0x130/0x130 [ 448.717587] (U) [ 448.719810] ? update_stack_state+0x1a5/0x690 [ 448.724015] 2*64kB [ 448.725975] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.730439] (U) [ 448.732674] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 448.737660] 1*128kB [ 448.739625] ? is_bpf_text_address+0xac/0x170 [ 448.744345] (U) [ 448.746675] ? lock_downgrade+0x900/0x900 [ 448.751137] 1*256kB [ 448.753097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 448.757210] (U) [ 448.759516] ? kasan_check_read+0x11/0x20 [ 448.765283] 0*512kB [ 448.767256] __alloc_pages_nodemask+0xa80/0xde0 [ 448.771373] 1*1024kB [ 448.773679] ? should_fail+0x22d/0xd01 [ 448.778313] (U) [ 448.780713] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 448.784573] 1*2048kB [ 448.786535] ? is_bpf_text_address+0xd3/0x170 [ 448.791518] (M) [ 448.793927] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.798385] 3*4096kB [ 448.800348] ? lock_downgrade+0x900/0x900 [ 448.804984] (M) [ 448.807382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.811496] = 15908kB [ 448.813460] cache_grow_begin+0x91/0x8c0 [ 448.818976] Node 0 [ 448.821371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 448.825400] DMA32: [ 448.827625] fallback_alloc+0x203/0x2e0 [ 448.831999] 5*4kB [ 448.834237] ____cache_alloc_node+0x1c7/0x1e0 [ 448.838176] (UM) [ 448.840312] kmem_cache_alloc_node+0xe3/0x730 [ 448.844776] 0*8kB [ 448.846831] __alloc_skb+0x119/0x770 [ 448.851287] 5*16kB [ 448.853424] ? skb_scrub_packet+0x490/0x490 [ 448.857104] (UMH) [ 448.859324] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 448.863614] 5*32kB [ 448.865749] ? queue_work_on+0x12c/0x1e0 [ 448.870300] (UMH) [ 448.872551] ? switchdev_port_obj_del+0xdc/0x450 [ 448.876588] 7*64kB [ 448.878724] ? switchdev_trans_item_enqueue+0x260/0x260 [ 448.883453] (UM) [ 448.885675] ? do_raw_spin_lock+0xc1/0x200 [ 448.891006] 4*128kB [ 448.893051] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.897251] (UM) [ 448.899565] __br_mdb_notify+0x4ff/0x15d0 [ 448.904547] 5*256kB [ 448.906604] ? __br_mdb_add+0x800/0x800 [ 448.910717] (UMH) [ 448.913027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.916967] 4*512kB [ 448.919103] ? check_preemption_disabled+0x48/0x200 [ 448.924608] (UM) [ 448.926923] ? br_multicast_group_expired+0x96/0x610 [ 448.931902] 4*1024kB [ 448.933946] ? lock_downgrade+0x900/0x900 [ 448.939029] (UMH) [ 448.941427] br_mdb_notify+0x310/0x410 [ 448.945542] 4*2048kB [ 448.947681] ? br_mdb_dump+0x2530/0x2530 [ 448.951555] (UM) [ 448.953947] ? kasan_check_write+0x14/0x20 [ 448.957979] 2*4096kB [ 448.960980] ? do_raw_spin_lock+0xc1/0x200 [ 448.965186] (M) [ 448.967583] br_multicast_group_expired+0x1bc/0x610 [ 448.971789] = 25028kB [ 448.973750] ? br_mdb_free+0x80/0x80 [ 448.978736] Node 0 [ 448.981136] call_timer_fn+0x272/0x920 [ 448.984819] Normal: [ 448.987036] ? br_mdb_free+0x80/0x80 [ 448.990894] 809*4kB [ 448.993201] ? process_timeout+0x40/0x40 [ 448.996883] (UMEH) [ 448.999188] ? trace_hardirqs_off+0xb8/0x310 [ 449.003211] 372*8kB (UMEH) [ 449.005435] ? kasan_check_read+0x11/0x20 [ 449.009815] 191*16kB [ 449.012744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 449.016860] (UMEH) [ 449.019256] ? trace_hardirqs_on+0x310/0x310 [ 449.023632] 81*32kB [ 449.025853] ? __run_timers+0x7da/0xc70 [ 449.030227] (UME) [ 449.032533] ? lock_downgrade+0x900/0x900 [ 449.036479] 21*64kB [ 449.038616] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.042731] (UMH) [ 449.045037] ? trace_hardirqs_on+0xbd/0x310 [ 449.050107] 3*128kB [ 449.052239] ? kasan_check_read+0x11/0x20 [ 449.056527] (UH) [ 449.058843] ? __run_timers+0x7da/0xc70 [ 449.062965] 0*256kB [ 449.065011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.068956] 0*512kB [ 449.071261] ? kasan_check_write+0x14/0x20 [ 449.076676] 0*1024kB 0*2048kB [ 449.078994] ? do_raw_spin_lock+0xc1/0x200 [ 449.083198] 0*4096kB [ 449.086371] ? br_mdb_free+0x80/0x80 [ 449.090573] = 13588kB [ 449.092965] __run_timers+0x7e5/0xc70 [ 449.096659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.099055] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 449.102825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 449.111639] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.116970] 348 total pagecache pages [ 449.125551] ? timerqueue_add+0x207/0x2b0 [ 449.130541] 0 pages in swap cache [ 449.134325] ? enqueue_hrtimer+0x1a5/0x560 [ 449.138445] Swap cache stats: add 0, delete 0, find 0/0 [ 449.141877] ? lock_release+0x970/0x970 [ 449.146093] Free swap = 0kB [ 449.151435] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 449.155378] Total swap = 0kB [ 449.158380] ? kasan_check_write+0x14/0x20 [ 449.163541] 1965979 pages RAM [ 449.166549] ? pvclock_read_flags+0x160/0x160 [ 449.170754] 0 pages HighMem/MovableOnly [ 449.173841] ? lock_downgrade+0x900/0x900 [ 449.178304] 342307 pages reserved [ 449.182264] ? trace_hardirqs_on+0xbd/0x310 [ 449.186378] 0 pages cma reserved [ 449.189815] ? kvm_sched_clock_read+0x9/0x20 [ 449.194150] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 449.197455] ? irq_exit+0x17f/0x1c0 [ 449.201887] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.208310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.211904] syz-executor3 cpuset= [ 449.222376] ? check_preemption_disabled+0x48/0x200 [ 449.227876] syz3 [ 449.231324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.236306] mems_allowed=0 [ 449.238263] run_timer_softirq+0x52/0xb0 [ 449.250724] ? __this_cpu_preempt_check+0x1c/0x1f [ 449.255556] __do_softirq+0x30b/0xad8 [ 449.259353] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 449.264450] ? pvclock_read_flags+0x160/0x160 [ 449.268937] ? lapic_next_event+0x5a/0x90 [ 449.273075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.278601] ? clockevents_program_event+0x140/0x370 [ 449.283695] ? kvm_clock_read+0x18/0x30 [ 449.287657] ? kvm_sched_clock_read+0x9/0x20 [ 449.292057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.297588] ? check_preemption_disabled+0x48/0x200 [ 449.302601] irq_exit+0x17f/0x1c0 [ 449.306045] smp_apic_timer_interrupt+0x1cb/0x760 [ 449.310875] ? smp_reschedule_interrupt+0x109/0x650 [ 449.315880] ? smp_call_function_single_interrupt+0x650/0x650 [ 449.321929] ? interrupt_entry+0xb5/0xf0 [ 449.325982] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.330987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.335999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.340840] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.345849] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.350857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.356385] ? check_preemption_disabled+0x48/0x200 [ 449.361393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.367026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.371863] apic_timer_interrupt+0xf/0x20 [ 449.376081] [ 449.378435] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 449.383614] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 449.402503] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 449.410206] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 449.417462] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 449.424720] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 449.431990] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 449.439249] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 449.446525] ? trace_hardirqs_on+0x9a/0x310 [ 449.450835] ? trace_hardirqs_on+0xb4/0x310 [ 449.455150] retint_kernel+0x1b/0x2d [ 449.458855] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 449.464119] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 449.483008] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 449.490707] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 449.497963] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 449.505220] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 449.512475] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 449.519740] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 449.527011] ? trace_hardirqs_on+0x9a/0x310 [ 449.531323] ? arch_local_irq_restore+0x45/0x52 [ 449.535984] dump_stack+0x26a/0x2b4 [ 449.539605] ? dump_stack_print_info.cold.2+0x52/0x52 [ 449.544788] ? mark_held_locks+0x130/0x130 [ 449.549011] ? mark_held_locks+0x130/0x130 [ 449.553238] dump_header+0x27b/0xf72 [ 449.556944] ? rcu_read_unlock+0x16/0x60 [ 449.560998] ? pagefault_out_of_memory+0x197/0x197 [ 449.565920] ? mark_held_locks+0x130/0x130 [ 449.570143] ? percpu_ref_put_many+0x13e/0x260 [ 449.574718] ? mem_cgroup_charge_statistics+0x780/0x780 [ 449.580091] ? mem_cgroup_iter+0x1f7/0x1160 [ 449.584405] ? mark_held_locks+0x130/0x130 [ 449.588636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.594164] ? task_will_free_mem+0x239/0xb30 [ 449.598654] ? ___ratelimit+0x36f/0x655 [ 449.602617] ? lock_downgrade+0x900/0x900 [ 449.607291] ? trace_hardirqs_on+0xbd/0x310 [ 449.611601] ? kasan_check_read+0x11/0x20 [ 449.615738] ? ___ratelimit+0x36f/0x655 [ 449.619710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.625150] ? trace_hardirqs_on+0x310/0x310 [ 449.629550] ? lock_downgrade+0x900/0x900 [ 449.633690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.638785] ? ___ratelimit+0xaa/0x655 [ 449.642662] ? idr_get_free+0xec0/0xec0 [ 449.646621] ? kasan_check_write+0x14/0x20 [ 449.650847] ? do_raw_spin_lock+0xc1/0x200 [ 449.655075] oom_kill_process.cold.27+0x10/0x903 [ 449.659825] ? lock_downgrade+0x900/0x900 [ 449.663968] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.669761] ? oom_evaluate_task+0x540/0x540 [ 449.674166] ? oom_unkillable_task+0x383/0x580 [ 449.678737] ? out_of_memory+0x974/0x1430 [ 449.682878] ? lock_downgrade+0x900/0x900 [ 449.687023] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.692810] ? __cpuset_node_allowed+0x19b/0x660 [ 449.697562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.703087] ? oom_evaluate_task+0x302/0x540 [ 449.707493] out_of_memory+0xa84/0x1430 [ 449.711459] ? oom_killer_disable+0x3a0/0x3a0 [ 449.715951] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 449.720871] ? __mutex_add_waiter+0x2a0/0x2a0 [ 449.725359] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.730369] ? find_next_bit+0x104/0x130 [ 449.734423] __alloc_pages_slowpath+0x2318/0x2d80 [ 449.739272] ? warn_alloc+0x120/0x120 [ 449.743060] ? __radix_tree_lookup+0x4c0/0x4c0 [ 449.747639] ? find_get_entry+0x2f2/0xc40 [ 449.751787] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 449.756704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.762229] ? should_fail+0x22d/0xd01 [ 449.766105] ? ___might_sleep+0x1ed/0x300 [ 449.770240] ? lock_release+0x970/0x970 [ 449.774482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.779574] ? debug_smp_processor_id+0x1c/0x20 [ 449.784243] ? __might_sleep+0x95/0x190 [ 449.788214] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 449.793049] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 449.798062] ? lock_downgrade+0x900/0x900 [ 449.802202] ? ___might_sleep+0x1ed/0x300 [ 449.806335] ? lock_release+0x970/0x970 [ 449.810303] ? arch_local_save_flags+0x40/0x40 [ 449.814875] ? finish_task_switch+0x1f5/0x900 [ 449.819374] ? __might_sleep+0x95/0x190 [ 449.823345] __alloc_pages_nodemask+0xa80/0xde0 [ 449.828008] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 449.833016] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.838985] ? mark_held_locks+0x130/0x130 [ 449.843207] ? kasan_check_write+0x14/0x20 [ 449.847442] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 449.852116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.857656] ? __do_page_cache_readahead+0x7ce/0x980 [ 449.862759] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 449.868287] alloc_pages_current+0x10c/0x210 [ 449.872694] ? lock_downgrade+0x900/0x900 [ 449.876838] __page_cache_alloc+0x38f/0x5b0 [ 449.881148] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.886938] ? ext4_filemap_fault+0x82/0xad [ 449.891249] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 449.895914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.901441] ? check_preemption_disabled+0x48/0x200 [ 449.906458] filemap_fault+0x1594/0x25f0 [ 449.910541] ? __lock_page_or_retry+0xa00/0xa00 [ 449.915204] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 449.920988] ? lock_downgrade+0x900/0x900 [ 449.925129] ? trace_hardirqs_on+0xbd/0x310 [ 449.929435] ? kasan_check_read+0x11/0x20 [ 449.933582] ? __free_object+0x173/0x340 [ 449.937636] ? filemap_map_pages+0xdea/0x1980 [ 449.942124] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.947222] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 449.952488] ? debug_object_free+0x325/0x690 [ 449.956890] ? find_get_pages_range_tag+0x1320/0x1320 [ 449.962071] ? do_raw_spin_lock+0xc1/0x200 [ 449.966309] ? kasan_check_read+0x11/0x20 [ 449.970445] ? debug_object_destroy+0x2b0/0x2b0 [ 449.975109] ? kasan_check_write+0x14/0x20 [ 449.979336] ? lock_acquire+0x1ed/0x520 [ 449.983299] ? ext4_filemap_fault+0x7a/0xad [ 449.987610] ? lock_release+0x970/0x970 [ 449.991572] ? arch_local_save_flags+0x40/0x40 [ 449.996143] ? futex_wait_setup+0x3e0/0x3e0 [ 450.000469] ? down_read+0xb0/0x1d0 [ 450.004085] ? ext4_filemap_fault+0x7a/0xad [ 450.008397] ? __down_interruptible+0x700/0x700 [ 450.013063] ext4_filemap_fault+0x82/0xad [ 450.017205] __do_fault+0x100/0x6b0 [ 450.020826] ? print_bad_pte+0x6c0/0x6c0 [ 450.024879] ? do_futex+0x249/0x26d0 [ 450.028585] ? pmd_val+0x88/0x100 [ 450.032027] ? add_mm_counter_fast+0xd0/0xd0 [ 450.036424] ? pmd_val+0x88/0x100 [ 450.039871] ? add_mm_counter_fast+0xd0/0xd0 [ 450.044272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.049804] __handle_mm_fault+0x3709/0x53e0 [ 450.054209] ? perf_trace_lock+0x14d/0x7a0 [ 450.058442] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 450.063285] ? ksys_dup3+0x680/0x680 [ 450.066991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.072515] ? should_fail+0x22d/0xd01 [ 450.076399] ? lock_acquire+0x1ed/0x520 [ 450.080364] ? handle_mm_fault+0x42a/0xc70 [ 450.084586] ? lock_downgrade+0x900/0x900 [ 450.088732] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 450.094521] ? lock_downgrade+0x900/0x900 [ 450.098673] ? __do_page_fault+0x67d/0xed0 [ 450.102900] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.108340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.113957] ? check_preemption_disabled+0x48/0x200 [ 450.118968] handle_mm_fault+0x54f/0xc70 [ 450.123022] ? __handle_mm_fault+0x53e0/0x53e0 [ 450.127594] ? find_vma+0x34/0x190 [ 450.131128] __do_page_fault+0x67d/0xed0 [ 450.135183] ? mm_fault_error+0x380/0x380 [ 450.139320] ? trace_hardirqs_off+0xb8/0x310 [ 450.143720] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.149074] ? trace_hardirqs_on+0x310/0x310 [ 450.153475] do_page_fault+0xf2/0x7e0 [ 450.157267] ? vmalloc_sync_all+0x30/0x30 [ 450.161403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.166928] ? error_entry+0x70/0xd0 [ 450.170631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.175635] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.180559] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.185478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.190312] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.195320] ? trace_hardirqs_off+0x310/0x310 [ 450.199805] ? prepare_exit_to_usermode+0x291/0x3b0 [ 450.204810] ? page_fault+0x8/0x30 [ 450.208341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.213174] ? page_fault+0x8/0x30 [ 450.216711] page_fault+0x1e/0x30 [ 450.220150] RIP: 0033:0x40f9c0 [ 450.223337] Code: Bad RIP value. [ 450.226687] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 450.232043] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 450.239303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 450.246558] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 450.253814] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 450.261075] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 450.268348] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 450.268466] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.275618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.285816] syz-fuzzer cpuset= [ 450.295140] Call Trace: [ 450.295147] / [ 450.298314] [ 450.300875] mems_allowed=0 [ 450.302577] dump_stack+0x1c4/0x2b4 [ 450.311223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 450.316413] warn_alloc.cold.119+0xb7/0x1bd [ 450.320730] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.325565] ? lock_downgrade+0x900/0x900 [ 450.329709] ? trace_hardirqs_off+0xb8/0x310 [ 450.334109] ? trace_hardirqs_off+0xb8/0x310 [ 450.338513] __alloc_pages_slowpath+0x2667/0x2d80 [ 450.343362] ? warn_alloc+0x120/0x120 [ 450.347151] ? trace_hardirqs_on+0x310/0x310 [ 450.351567] ? warn_alloc+0x120/0x120 [ 450.355361] ? warn_alloc+0x120/0x120 [ 450.359152] ? ktime_get+0x2e1/0x440 [ 450.362865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.368393] ? check_preemption_disabled+0x48/0x200 [ 450.373412] ? kasan_check_read+0x11/0x20 [ 450.377575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.383102] ? should_fail+0x22d/0xd01 [ 450.386980] ? rcu_bh_qs+0xc0/0xc0 [ 450.390516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.395607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.401133] ? should_fail+0x22d/0xd01 [ 450.405016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.410106] ? should_fail+0x22d/0xd01 [ 450.413985] ? rcu_idle_enter+0x4b0/0x4b0 [ 450.418123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.423216] ? mark_held_locks+0x130/0x130 [ 450.427444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.432973] ? mark_held_locks+0x130/0x130 [ 450.437203] ? rcu_irq_exit+0xce/0x100 [ 450.441078] ? irq_exit+0xbd/0x1c0 [ 450.444613] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 450.449621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 450.454035] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.459909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.465442] ? ret_from_intr+0xb/0x1e [ 450.469229] ? retint_kernel+0x2d/0x2d [ 450.473105] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.478026] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.482773] ? trace_hardirqs_off+0x310/0x310 [ 450.487257] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.492354] __alloc_pages_nodemask+0xa80/0xde0 [ 450.497009] ? should_fail+0x22d/0xd01 [ 450.500889] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 450.505906] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.510563] ? lock_downgrade+0x900/0x900 [ 450.514705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.520234] cache_grow_begin+0x91/0x8c0 [ 450.524287] ? do_raw_spin_unlock+0xa7/0x2f0 [ 450.528693] fallback_alloc+0x203/0x2e0 [ 450.532664] ____cache_alloc_node+0x1c7/0x1e0 [ 450.537154] kmem_cache_alloc_node+0xe3/0x730 [ 450.541643] ? ipv6_get_ifaddr+0x42e/0x620 [ 450.545874] __alloc_skb+0x119/0x770 [ 450.549579] ? skb_scrub_packet+0x490/0x490 [ 450.553888] ? lock_downgrade+0x900/0x900 [ 450.558031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.563561] ? refcount_sub_and_test_checked+0x203/0x310 [ 450.569002] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 450.574442] ? addrconf_rs_timer+0x690/0x690 [ 450.580065] ndisc_alloc_skb+0x144/0x340 [ 450.585186] ndisc_send_rs+0x331/0x6e0 [ 450.590197] addrconf_rs_timer+0x314/0x690 [ 450.594432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.598665] call_timer_fn+0x272/0x920 [ 450.602544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.606773] ? process_timeout+0x40/0x40 [ 450.610824] ? trace_hardirqs_off+0xb8/0x310 [ 450.615218] ? kasan_check_read+0x11/0x20 [ 450.619356] ? do_raw_spin_unlock+0xa7/0x2f0 [ 450.623757] ? trace_hardirqs_on+0x310/0x310 [ 450.628175] ? __run_timers+0x7da/0xc70 [ 450.632141] ? lock_downgrade+0x900/0x900 [ 450.636282] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.641378] ? trace_hardirqs_on+0xbd/0x310 [ 450.645695] ? kasan_check_read+0x11/0x20 [ 450.649835] ? __run_timers+0x7da/0xc70 [ 450.653808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.659246] ? kasan_check_write+0x14/0x20 [ 450.663489] ? do_raw_spin_lock+0xc1/0x200 [ 450.667734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.671971] __run_timers+0x7e5/0xc70 [ 450.675772] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 450.681128] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.686137] ? timerqueue_add+0x207/0x2b0 [ 450.690284] ? enqueue_hrtimer+0x1a5/0x560 [ 450.694509] ? lock_release+0x970/0x970 [ 450.698476] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.703662] ? kasan_check_write+0x14/0x20 [ 450.708012] ? pvclock_read_flags+0x160/0x160 [ 450.712498] ? lock_downgrade+0x900/0x900 [ 450.716644] ? trace_hardirqs_on+0xbd/0x310 [ 450.720979] ? kvm_sched_clock_read+0x9/0x20 [ 450.725375] ? irq_exit+0x17f/0x1c0 [ 450.728997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.734527] ? check_preemption_disabled+0x48/0x200 [ 450.739534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.745065] run_timer_softirq+0x52/0xb0 [ 450.749117] ? __this_cpu_preempt_check+0x1c/0x1f [ 450.753949] __do_softirq+0x30b/0xad8 [ 450.757746] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 450.762842] ? pvclock_read_flags+0x160/0x160 [ 450.767323] ? lapic_next_event+0x5a/0x90 [ 450.771459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.777444] ? clockevents_program_event+0x140/0x370 [ 450.782537] ? kvm_clock_read+0x18/0x30 [ 450.786499] ? kvm_sched_clock_read+0x9/0x20 [ 450.790897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.796425] ? check_preemption_disabled+0x48/0x200 [ 450.801448] irq_exit+0x17f/0x1c0 [ 450.804894] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.809726] ? smp_reschedule_interrupt+0x109/0x650 [ 450.814735] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.820612] ? interrupt_entry+0xb5/0xf0 [ 450.824663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.829670] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.834677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.839508] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.844512] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.849514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.855041] ? check_preemption_disabled+0x48/0x200 [ 450.860049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.865593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.870430] apic_timer_interrupt+0xf/0x20 [ 450.874650] [ 450.876882] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.881805] 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 [ 450.900693] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 450.908395] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 450.915654] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 450.922913] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 450.930169] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 450.937424] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 450.944690] ? trace_hardirqs_on+0xb4/0x310 [ 450.949006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.954537] skb_clone+0x1bb/0x500 [ 450.958067] ? skb_split+0x11e0/0x11e0 [ 450.961943] ? check_preemption_disabled+0x48/0x200 [ 450.966950] ? __this_cpu_preempt_check+0x1c/0x1f [ 450.971784] ? __bpf_redirect+0x54b/0xb20 [ 450.975923] ? __switch_to_asm+0x34/0x70 [ 450.979979] bpf_clone_redirect+0xb9/0x490 [ 450.984314] bpf_prog_466abe619656067b+0x436/0x1000 [ 450.989320] ? __sched_text_start+0x8/0x8 [ 450.993457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.998202] ? retint_kernel+0x2d/0x2d [ 451.002084] ? lock_acquire+0x1ed/0x520 [ 451.006048] ? bpf_test_run+0x32e/0x5a0 [ 451.010011] ? lock_downgrade+0x900/0x900 [ 451.014151] ? lock_release+0x970/0x970 [ 451.018136] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 451.023924] ? preempt_schedule_common+0x1f/0xd0 [ 451.028672] ? preempt_schedule+0x4d/0x60 [ 451.032808] ? ___preempt_schedule+0x16/0x18 [ 451.037206] ? bpf_test_run+0x1c0/0x5a0 [ 451.041178] ? netlink_diag_dump+0x2a0/0x2a0 [ 451.045579] ? bpf_prog_test_run_skb+0x295/0xb40 [ 451.050324] ? bpf_prog_test_run_skb+0x634/0xb40 [ 451.055070] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 451.059899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 451.065422] ? fput+0x130/0x1a0 [ 451.068692] ? __bpf_prog_get+0x9b/0x290 [ 451.072745] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 451.077572] ? bpf_prog_test_run+0x130/0x1a0 [ 451.081970] ? __x64_sys_bpf+0x3d8/0x510 [ 451.086018] ? bpf_prog_get+0x20/0x20 [ 451.089822] ? do_syscall_64+0x1b9/0x820 [ 451.093873] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 451.099226] ? syscall_return_slowpath+0x5e0/0x5e0 [ 451.104143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.108978] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.113982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 451.119075] ? prepare_exit_to_usermode+0x291/0x3b0 [ 451.124082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.128918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 451.134276] warn_alloc_show_mem: 1 callbacks suppressed [ 451.134285] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 451.134286] Mem-Info: [ 451.134314] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 451.134314] active_file:98 inactive_file:120 isolated_file:0 [ 451.134314] unevictable:0 dirty:0 writeback:0 unstable:0 [ 451.134314] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 451.134314] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 451.134314] free:13602 free_pcp:142 free_cma:0 [ 451.139654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.139661] Call Trace: [ 451.146582] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 451.148966] [ 451.181904] Node 0 [ 451.191242] dump_stack+0x1c4/0x2b4 [ 451.193817] 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 [ 451.221453] ? dump_stack_print_info.cold.2+0x52/0x52 [ 451.223570] lowmem_reserve[]: [ 451.225796] warn_alloc.cold.119+0xb7/0x1bd [ 451.229389] 0 [ 451.254883] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 451.260036] 2819 [ 451.263124] ? lock_downgrade+0x900/0x900 [ 451.267410] 6323 [ 451.269196] ? trace_hardirqs_off+0xb8/0x310 [ 451.274004] 6323 [ 451.276051] ? trace_hardirqs_off+0xb8/0x310 [ 451.282219] __alloc_pages_slowpath+0x2667/0x2d80 [ 451.286594] Node 0 [ 451.288660] ? warn_alloc+0x120/0x120 [ 451.293070] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 451.297874] ? warn_alloc+0x120/0x120 [ 451.300079] lowmem_reserve[]: [ 451.303865] ? is_bpf_text_address+0xd3/0x170 [ 451.330371] 0 [ 451.334152] ? warn_alloc+0x120/0x120 [ 451.337225] 0 [ 451.341704] ? __kernel_text_address+0xd/0x40 [ 451.343475] 3503 [ 451.347259] ? __save_stack_trace+0x8d/0xf0 [ 451.349028] 3503 [ 451.353509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.359863] ? should_fail+0x22d/0xd01 [ 451.361893] Node 0 [ 451.367413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.371294] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 451.373496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.378569] lowmem_reserve[]: [ 451.407003] ? should_fail+0x22d/0xd01 [ 451.412511] 0 [ 451.415601] ? save_stack+0xa9/0xd0 [ 451.419457] 0 [ 451.421245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.424838] 0 [ 451.426623] ? should_fail+0x22d/0xd01 [ 451.431695] 0 [ 451.433484] ? kmem_cache_alloc+0x12e/0x730 [ 451.439136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.443422] Node 0 [ 451.448517] ? run_timer_softirq+0x52/0xb0 [ 451.448524] DMA: [ 451.450746] ? mark_held_locks+0x130/0x130 [ 451.454955] 1*4kB [ 451.457014] ? retint_kernel+0x1b/0x2d [ 451.461214] (U) [ 451.463353] ? dump_stack+0x26a/0x2b4 [ 451.467219] 0*8kB [ 451.469182] ? mark_held_locks+0x130/0x130 [ 451.472951] 0*16kB [ 451.475085] ? alloc_pages_current+0x10c/0x210 [ 451.479293] 1*32kB [ 451.481613] ? __page_cache_alloc+0x38f/0x5b0 [ 451.486161] (U) [ 451.488381] ? ext4_filemap_fault+0x82/0xad [ 451.492866] 2*64kB [ 451.494827] ? __do_fault+0x100/0x6b0 [ 451.499118] (U) [ 451.501346] ? handle_mm_fault+0x54f/0xc70 [ 451.505112] 1*128kB [ 451.507073] ? mark_held_locks+0x130/0x130 [ 451.511276] (U) [ 451.513589] ? smp_call_function_single_interrupt+0x650/0x650 [ 451.517789] 1*256kB [ 451.519746] ? ret_from_intr+0xb/0x1e [ 451.525596] (U) [ 451.527904] ? mark_held_locks+0x130/0x130 [ 451.531671] 0*512kB [ 451.533632] ? lock_downgrade+0x900/0x900 [ 451.537838] 1*1024kB [ 451.540148] __alloc_pages_nodemask+0xa80/0xde0 [ 451.544260] (U) [ 451.546656] ? should_fail+0x22d/0xd01 [ 451.551299] 1*2048kB [ 451.553262] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.553277] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 451.557134] (M) [ 451.559541] ? ____cache_alloc_node+0x1c7/0x1e0 [ 451.564952] 3*4096kB [ 451.569948] ? lock_downgrade+0x900/0x900 [ 451.571891] (M) [ 451.576555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.578934] = 15908kB [ 451.583062] cache_grow_begin+0x91/0x8c0 [ 451.585011] Node 0 [ 451.590534] ? do_raw_spin_unlock+0xa7/0x2f0 [ 451.592925] DMA32: [ 451.596971] fallback_alloc+0x203/0x2e0 [ 451.599189] 5*4kB [ 451.603586] ____cache_alloc_node+0x1c7/0x1e0 [ 451.606331] (UM) 0*8kB [ 451.610318] kmem_cache_alloc_node+0xe3/0x730 [ 451.612429] 5*16kB (UMH) [ 451.616913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 451.619466] 5*32kB [ 451.623942] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 451.626670] (UMH) [ 451.631062] __alloc_skb+0x119/0x770 [ 451.633270] 7*64kB [ 451.637831] ? skb_scrub_packet+0x490/0x490 [ 451.639952] (UM) [ 451.643647] ? atomic_notifier_call_chain+0xc6/0x190 [ 451.645856] 4*128kB [ 451.650161] ? lock_downgrade+0x900/0x900 [ 451.652191] (UM) [ 451.657278] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 451.659570] 5*256kB (UMH) [ 451.663705] ? lock_release+0x970/0x970 [ 451.665740] 4*512kB [ 451.671520] ? find_next_bit+0x104/0x130 [ 451.674331] (UM) [ 451.678287] ? do_raw_write_trylock+0x1c0/0x1c0 [ 451.680579] 4*1024kB [ 451.684625] __neigh_notify+0x8c/0x160 [ 451.686654] (UMH) [ 451.691303] ? __neigh_event_send+0x1390/0x1390 [ 451.693691] 4*2048kB [ 451.697559] neigh_timer_handler+0x6cb/0xdf0 [ 451.699678] (UM) [ 451.704337] ? neigh_invalidate+0x550/0x550 [ 451.706715] 2*4096kB [ 451.711108] ? br_multicast_group_expired+0x13a/0x610 [ 451.713138] (M) [ 451.717443] ? br_mdb_free+0x80/0x80 [ 451.719824] = 25028kB [ 451.724999] call_timer_fn+0x272/0x920 [ 451.726941] Node 0 [ 451.730634] ? neigh_invalidate+0x550/0x550 [ 451.733014] Normal: [ 451.736882] ? process_timeout+0x40/0x40 [ 451.739089] 809*4kB [ 451.743392] ? trace_hardirqs_off+0xb8/0x310 [ 451.745681] (UMEH) [ 451.749744] ? kasan_check_read+0x11/0x20 [ 451.752037] 372*8kB [ 451.756429] ? do_raw_spin_unlock+0xa7/0x2f0 [ 451.758631] (UMEH) [ 451.762765] ? trace_hardirqs_on+0x310/0x310 [ 451.765063] 191*16kB [ 451.769452] ? __run_timers+0x7da/0xc70 [ 451.771658] (UMEH) [ 451.776356] ? lock_downgrade+0x900/0x900 [ 451.778738] 81*32kB [ 451.782695] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.784901] (UME) [ 451.789034] ? trace_hardirqs_on+0xbd/0x310 [ 451.791326] 21*64kB [ 451.796410] ? kasan_check_read+0x11/0x20 [ 451.798530] (UMH) [ 451.802837] ? __run_timers+0x7da/0xc70 [ 451.805128] 3*128kB [ 451.809257] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.811376] (UH) [ 451.815337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.817628] 0*256kB [ 451.823063] ? neigh_invalidate+0x550/0x550 [ 451.825109] 0*512kB [ 451.830640] __run_timers+0x7e5/0xc70 [ 451.832931] 0*1024kB [ 451.837241] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 451.839529] 0*2048kB [ 451.843317] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 451.845699] 0*4096kB [ 451.851044] ? timerqueue_add+0x207/0x2b0 [ 451.853426] = 13588kB [ 451.858423] ? enqueue_hrtimer+0x1a5/0x560 [ 451.860810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 451.864944] ? lock_release+0x970/0x970 [ 451.867334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 451.871545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 451.880350] 348 total pagecache pages [ 451.884310] ? kasan_check_write+0x14/0x20 [ 451.892860] 0 pages in swap cache [ 451.898032] ? pvclock_read_flags+0x160/0x160 [ 451.901815] Swap cache stats: add 0, delete 0, find 0/0 [ 451.906028] ? lock_downgrade+0x900/0x900 [ 451.909449] Free swap = 0kB [ 451.913928] ? trace_hardirqs_on+0xbd/0x310 [ 451.919259] Total swap = 0kB [ 451.923388] ? kvm_sched_clock_read+0x9/0x20 [ 451.926374] 1965979 pages RAM [ 451.930678] ? irq_exit+0x17f/0x1c0 [ 451.933661] 0 pages HighMem/MovableOnly [ 451.933668] 342307 pages reserved [ 451.938061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.941133] 0 pages cma reserved [ 451.944745] ? check_preemption_disabled+0x48/0x200 [ 451.948746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 451.952121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.957661] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 451.960976] run_timer_softirq+0x52/0xb0 [ 451.965972] syz-executor3 cpuset= [ 451.972445] ? __this_cpu_preempt_check+0x1c/0x1f [ 451.977947] syz3 [ 451.988415] __do_softirq+0x30b/0xad8 [ 451.992443] mems_allowed=0 [ 451.995882] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 452.014436] ? pvclock_read_flags+0x160/0x160 [ 452.018929] ? lapic_next_event+0x5a/0x90 [ 452.023065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.028593] ? clockevents_program_event+0x140/0x370 [ 452.033688] ? kvm_clock_read+0x18/0x30 [ 452.037650] ? kvm_sched_clock_read+0x9/0x20 [ 452.042049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.047576] ? check_preemption_disabled+0x48/0x200 [ 452.052585] irq_exit+0x17f/0x1c0 [ 452.056028] smp_apic_timer_interrupt+0x1cb/0x760 [ 452.060859] ? smp_reschedule_interrupt+0x109/0x650 [ 452.065968] ? smp_call_function_single_interrupt+0x650/0x650 [ 452.071842] ? interrupt_entry+0xb5/0xf0 [ 452.075892] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.080899] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.085903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.090736] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.095747] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.100753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.106289] ? check_preemption_disabled+0x48/0x200 [ 452.111299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.116832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.121671] apic_timer_interrupt+0xf/0x20 [ 452.125891] [ 452.128126] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 452.133310] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 452.152197] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 452.159893] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 452.167152] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 452.174409] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 452.181669] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 452.188928] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 452.196197] ? trace_hardirqs_on+0x9a/0x310 [ 452.200510] ? trace_hardirqs_on+0xb4/0x310 [ 452.204831] retint_kernel+0x1b/0x2d [ 452.208539] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 452.213802] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 452.232693] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 452.240387] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 452.247646] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 452.254902] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 452.262160] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 452.269416] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 452.276682] ? trace_hardirqs_on+0x9a/0x310 [ 452.280994] ? arch_local_irq_restore+0x45/0x52 [ 452.285658] dump_stack+0x26a/0x2b4 [ 452.289283] ? dump_stack_print_info.cold.2+0x52/0x52 [ 452.294465] ? mark_held_locks+0x130/0x130 [ 452.298690] ? mark_held_locks+0x130/0x130 [ 452.302913] dump_header+0x27b/0xf72 [ 452.306620] ? rcu_read_unlock+0x16/0x60 [ 452.310688] ? pagefault_out_of_memory+0x197/0x197 [ 452.315607] ? mark_held_locks+0x130/0x130 [ 452.319829] ? percpu_ref_put_many+0x13e/0x260 [ 452.324402] ? mem_cgroup_charge_statistics+0x780/0x780 [ 452.329772] ? mem_cgroup_iter+0x1f7/0x1160 [ 452.334083] ? mark_held_locks+0x130/0x130 [ 452.338311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.343834] ? task_will_free_mem+0x239/0xb30 [ 452.348330] ? ___ratelimit+0x36f/0x655 [ 452.352297] ? lock_downgrade+0x900/0x900 [ 452.356439] ? trace_hardirqs_on+0xbd/0x310 [ 452.360748] ? kasan_check_read+0x11/0x20 [ 452.364887] ? ___ratelimit+0x36f/0x655 [ 452.368851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.374294] ? trace_hardirqs_on+0x310/0x310 [ 452.378694] ? lock_downgrade+0x900/0x900 [ 452.382833] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 452.387925] ? ___ratelimit+0xaa/0x655 [ 452.391803] ? idr_get_free+0xec0/0xec0 [ 452.395766] ? kasan_check_write+0x14/0x20 [ 452.399992] ? do_raw_spin_lock+0xc1/0x200 [ 452.404220] oom_kill_process.cold.27+0x10/0x903 [ 452.408974] ? lock_downgrade+0x900/0x900 [ 452.413119] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.418918] ? oom_evaluate_task+0x540/0x540 [ 452.423323] ? oom_unkillable_task+0x383/0x580 [ 452.427895] ? out_of_memory+0x974/0x1430 [ 452.432031] ? lock_downgrade+0x900/0x900 [ 452.436173] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.441960] ? __cpuset_node_allowed+0x19b/0x660 [ 452.446713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.452248] ? oom_evaluate_task+0x302/0x540 [ 452.456651] out_of_memory+0xa84/0x1430 [ 452.460616] ? oom_killer_disable+0x3a0/0x3a0 [ 452.465103] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 452.470027] ? __mutex_add_waiter+0x2a0/0x2a0 [ 452.474521] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.479525] ? find_next_bit+0x104/0x130 [ 452.483580] __alloc_pages_slowpath+0x2318/0x2d80 [ 452.488429] ? warn_alloc+0x120/0x120 [ 452.492223] ? __radix_tree_lookup+0x4c0/0x4c0 [ 452.496809] ? find_get_entry+0x2f2/0xc40 [ 452.500956] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 452.505874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.511838] ? should_fail+0x22d/0xd01 [ 452.515906] ? ___might_sleep+0x1ed/0x300 [ 452.520057] ? lock_release+0x970/0x970 [ 452.524023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.529115] ? debug_smp_processor_id+0x1c/0x20 [ 452.533778] ? __might_sleep+0x95/0x190 [ 452.537745] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 452.542595] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 452.547606] ? lock_downgrade+0x900/0x900 [ 452.551748] ? ___might_sleep+0x1ed/0x300 [ 452.555887] ? lock_release+0x970/0x970 [ 452.559869] ? arch_local_save_flags+0x40/0x40 [ 452.564443] ? finish_task_switch+0x1f5/0x900 [ 452.568936] ? __might_sleep+0x95/0x190 [ 452.572902] __alloc_pages_nodemask+0xa80/0xde0 [ 452.577563] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 452.582571] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.588988] ? mark_held_locks+0x130/0x130 [ 452.593994] ? kasan_check_write+0x14/0x20 [ 452.598217] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 452.602888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.608657] ? __do_page_cache_readahead+0x7ce/0x980 [ 452.613758] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 452.619287] alloc_pages_current+0x10c/0x210 [ 452.623686] ? lock_downgrade+0x900/0x900 [ 452.627825] __page_cache_alloc+0x38f/0x5b0 [ 452.632135] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.637922] ? ext4_filemap_fault+0x82/0xad [ 452.642335] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 452.646994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.652525] ? check_preemption_disabled+0x48/0x200 [ 452.657534] filemap_fault+0x1594/0x25f0 [ 452.661595] ? __lock_page_or_retry+0xa00/0xa00 [ 452.666255] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.672043] ? lock_downgrade+0x900/0x900 [ 452.676185] ? trace_hardirqs_on+0xbd/0x310 [ 452.680494] ? kasan_check_read+0x11/0x20 [ 452.684633] ? __free_object+0x173/0x340 [ 452.688688] ? filemap_map_pages+0xdea/0x1980 [ 452.693178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 452.698275] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 452.703542] ? debug_object_free+0x325/0x690 [ 452.707941] ? find_get_pages_range_tag+0x1320/0x1320 [ 452.713122] ? do_raw_spin_lock+0xc1/0x200 [ 452.717353] ? kasan_check_read+0x11/0x20 [ 452.721493] ? debug_object_destroy+0x2b0/0x2b0 [ 452.726154] ? kasan_check_write+0x14/0x20 [ 452.730387] ? lock_acquire+0x1ed/0x520 [ 452.734352] ? ext4_filemap_fault+0x7a/0xad [ 452.738668] ? lock_release+0x970/0x970 [ 452.742637] ? arch_local_save_flags+0x40/0x40 [ 452.747218] ? futex_wait_setup+0x3e0/0x3e0 [ 452.751540] ? down_read+0xb0/0x1d0 [ 452.755281] ? ext4_filemap_fault+0x7a/0xad [ 452.759592] ? __down_interruptible+0x700/0x700 [ 452.764260] ext4_filemap_fault+0x82/0xad [ 452.768400] __do_fault+0x100/0x6b0 [ 452.772019] ? print_bad_pte+0x6c0/0x6c0 [ 452.776070] ? do_futex+0x249/0x26d0 [ 452.779777] ? pmd_val+0x88/0x100 [ 452.783226] ? add_mm_counter_fast+0xd0/0xd0 [ 452.787622] ? pmd_val+0x88/0x100 [ 452.791068] ? add_mm_counter_fast+0xd0/0xd0 [ 452.795472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.801004] __handle_mm_fault+0x3709/0x53e0 [ 452.805399] ? perf_trace_lock+0x14d/0x7a0 [ 452.809630] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 452.814470] ? ksys_dup3+0x680/0x680 [ 452.818173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.823700] ? should_fail+0x22d/0xd01 [ 452.827582] ? lock_acquire+0x1ed/0x520 [ 452.831553] ? handle_mm_fault+0x42a/0xc70 [ 452.835777] ? lock_downgrade+0x900/0x900 [ 452.839920] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 452.845708] ? lock_downgrade+0x900/0x900 [ 452.849845] ? __do_page_fault+0x67d/0xed0 [ 452.854067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.859509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.865037] ? check_preemption_disabled+0x48/0x200 [ 452.870046] handle_mm_fault+0x54f/0xc70 [ 452.874098] ? __handle_mm_fault+0x53e0/0x53e0 [ 452.878671] ? find_vma+0x34/0x190 [ 452.882208] __do_page_fault+0x67d/0xed0 [ 452.886261] ? mm_fault_error+0x380/0x380 [ 452.890400] ? trace_hardirqs_off+0xb8/0x310 [ 452.894796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 452.900146] ? trace_hardirqs_on+0x310/0x310 [ 452.904546] do_page_fault+0xf2/0x7e0 [ 452.908336] ? vmalloc_sync_all+0x30/0x30 [ 452.912474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.918001] ? error_entry+0x70/0xd0 [ 452.921704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.926709] ? trace_hardirqs_on_caller+0xc0/0x310 [ 452.931631] ? syscall_return_slowpath+0x5e0/0x5e0 [ 452.936548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.941383] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.946392] ? trace_hardirqs_off+0x310/0x310 [ 452.950879] ? prepare_exit_to_usermode+0x291/0x3b0 [ 452.955884] ? page_fault+0x8/0x30 [ 452.959413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.964246] ? page_fault+0x8/0x30 [ 452.967778] page_fault+0x1e/0x30 [ 452.971220] RIP: 0033:0x40f9c0 [ 452.974403] Code: Bad RIP value. [ 452.977754] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 452.983107] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 452.990365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 452.997621] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 453.004879] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 453.012137] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 453.019412] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 453.019490] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 453.026680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.036875] syz-fuzzer cpuset= [ 453.046203] Call Trace: [ 453.046209] / [ 453.049376] [ 453.051935] mems_allowed=0 [ 453.053638] dump_stack+0x1c4/0x2b4 [ 453.062295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 453.067483] warn_alloc.cold.119+0xb7/0x1bd [ 453.071815] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 453.076651] ? lock_downgrade+0x900/0x900 [ 453.080792] ? trace_hardirqs_off+0xb8/0x310 [ 453.085201] ? trace_hardirqs_off+0xb8/0x310 [ 453.089605] __alloc_pages_slowpath+0x2667/0x2d80 [ 453.094454] ? warn_alloc+0x120/0x120 [ 453.098251] ? warn_alloc+0x120/0x120 [ 453.102043] ? warn_alloc+0x120/0x120 [ 453.105834] ? mark_held_locks+0x130/0x130 [ 453.110061] ? trace_hardirqs_on+0x310/0x310 [ 453.114550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.120079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.125607] ? should_fail+0x22d/0xd01 [ 453.129489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.134580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.140135] ? should_fail+0x22d/0xd01 [ 453.144013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.149102] ? should_fail+0x22d/0xd01 [ 453.152982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.158074] ? mark_held_locks+0x130/0x130 [ 453.163688] ? mark_held_locks+0x130/0x130 [ 453.169573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.176955] ? trace_hardirqs_off+0xb8/0x310 [ 453.182664] ? kasan_check_read+0x11/0x20 [ 453.187251] ? do_raw_spin_unlock+0xa7/0x2f0 [ 453.191647] ? trace_hardirqs_on+0x310/0x310 [ 453.196041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.201574] ? wq_watchdog_touch+0x9c/0xfe [ 453.205803] ? io_serial_in+0x11/0x90 [ 453.209592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.215122] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.220222] __alloc_pages_nodemask+0xa80/0xde0 [ 453.224880] ? should_fail+0x22d/0xd01 [ 453.228761] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 453.233779] ? ____cache_alloc_node+0x1c7/0x1e0 [ 453.238440] ? lock_downgrade+0x900/0x900 [ 453.242581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.248109] cache_grow_begin+0x91/0x8c0 [ 453.252186] ? do_raw_spin_unlock+0xa7/0x2f0 [ 453.256591] fallback_alloc+0x203/0x2e0 [ 453.260675] ____cache_alloc_node+0x1c7/0x1e0 [ 453.265172] kmem_cache_alloc_node+0xe3/0x730 [ 453.269658] ? ipv6_get_ifaddr+0x42e/0x620 [ 453.273886] __alloc_skb+0x119/0x770 [ 453.277693] ? skb_scrub_packet+0x490/0x490 [ 453.282007] ? lock_downgrade+0x900/0x900 [ 453.286150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.291683] ? refcount_sub_and_test_checked+0x203/0x310 [ 453.297126] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 453.302567] ? addrconf_rs_timer+0x690/0x690 [ 453.306971] ndisc_alloc_skb+0x144/0x340 [ 453.311027] ndisc_send_rs+0x331/0x6e0 [ 453.314911] addrconf_rs_timer+0x314/0x690 [ 453.319143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.323382] call_timer_fn+0x272/0x920 [ 453.327259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.331485] ? process_timeout+0x40/0x40 [ 453.335536] ? trace_hardirqs_off+0xb8/0x310 [ 453.339936] ? kasan_check_read+0x11/0x20 [ 453.344074] ? do_raw_spin_unlock+0xa7/0x2f0 [ 453.348472] ? trace_hardirqs_on+0x310/0x310 [ 453.352873] ? __run_timers+0x7da/0xc70 [ 453.356841] ? lock_downgrade+0x900/0x900 [ 453.360981] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.366076] ? trace_hardirqs_on+0xbd/0x310 [ 453.370388] ? kasan_check_read+0x11/0x20 [ 453.374529] ? __run_timers+0x7da/0xc70 [ 453.378502] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 453.383944] ? kasan_check_write+0x14/0x20 [ 453.388173] ? do_raw_spin_lock+0xc1/0x200 [ 453.392400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.396631] __run_timers+0x7e5/0xc70 [ 453.400428] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 453.405780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.410784] ? timerqueue_add+0x207/0x2b0 [ 453.414927] ? enqueue_hrtimer+0x1a5/0x560 [ 453.419159] ? lock_release+0x970/0x970 [ 453.423124] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.428316] ? kasan_check_write+0x14/0x20 [ 453.432549] ? pvclock_read_flags+0x160/0x160 [ 453.437156] ? lock_downgrade+0x900/0x900 [ 453.441299] ? trace_hardirqs_on+0xbd/0x310 [ 453.445611] ? kvm_sched_clock_read+0x9/0x20 [ 453.450124] ? irq_exit+0x17f/0x1c0 [ 453.453747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.459273] ? check_preemption_disabled+0x48/0x200 [ 453.464276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.469805] run_timer_softirq+0x52/0xb0 [ 453.473859] ? __this_cpu_preempt_check+0x1c/0x1f [ 453.478690] __do_softirq+0x30b/0xad8 [ 453.482487] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 453.487582] ? pvclock_read_flags+0x160/0x160 [ 453.492064] ? lapic_next_event+0x5a/0x90 [ 453.496202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.501729] ? clockevents_program_event+0x140/0x370 [ 453.506827] ? kvm_clock_read+0x18/0x30 [ 453.510790] ? kvm_sched_clock_read+0x9/0x20 [ 453.515190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.520721] ? check_preemption_disabled+0x48/0x200 [ 453.525736] irq_exit+0x17f/0x1c0 [ 453.529199] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.534046] ? smp_reschedule_interrupt+0x109/0x650 [ 453.539052] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.544926] ? interrupt_entry+0xb5/0xf0 [ 453.548975] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.553977] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.558985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.563817] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.568821] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.573824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.579351] ? check_preemption_disabled+0x48/0x200 [ 453.584366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.589916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.594754] apic_timer_interrupt+0xf/0x20 [ 453.598971] [ 453.601200] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 453.606444] 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 [ 453.625337] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 453.633033] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 453.640289] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 453.647548] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 453.654805] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 453.662063] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 453.669337] ? trace_hardirqs_on+0xb4/0x310 [ 453.673653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.679185] skb_clone+0x1bb/0x500 [ 453.682719] ? skb_split+0x11e0/0x11e0 [ 453.686601] ? check_preemption_disabled+0x48/0x200 [ 453.691609] ? __this_cpu_preempt_check+0x1c/0x1f [ 453.696617] ? __bpf_redirect+0x54b/0xb20 [ 453.700753] ? __switch_to_asm+0x34/0x70 [ 453.704808] bpf_clone_redirect+0xb9/0x490 [ 453.709037] bpf_prog_466abe619656067b+0x436/0x1000 [ 453.714045] ? __sched_text_start+0x8/0x8 [ 453.718182] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 453.722934] ? retint_kernel+0x2d/0x2d [ 453.726816] ? lock_acquire+0x1ed/0x520 [ 453.730776] ? bpf_test_run+0x32e/0x5a0 [ 453.734743] ? lock_downgrade+0x900/0x900 [ 453.738886] ? lock_release+0x970/0x970 [ 453.742856] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 453.748647] ? preempt_schedule_common+0x1f/0xd0 [ 453.753392] ? preempt_schedule+0x4d/0x60 [ 453.757530] ? ___preempt_schedule+0x16/0x18 [ 453.761931] ? bpf_test_run+0x1c0/0x5a0 [ 453.765902] ? netlink_diag_dump+0x2a0/0x2a0 [ 453.770303] ? bpf_prog_test_run_skb+0x295/0xb40 [ 453.775562] ? bpf_prog_test_run_skb+0x634/0xb40 [ 453.780316] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 453.785151] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 453.790674] ? fput+0x130/0x1a0 [ 453.793947] ? __bpf_prog_get+0x9b/0x290 [ 453.797999] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 453.802829] ? bpf_prog_test_run+0x130/0x1a0 [ 453.807229] ? __x64_sys_bpf+0x3d8/0x510 [ 453.811278] ? bpf_prog_get+0x20/0x20 [ 453.815078] ? do_syscall_64+0x1b9/0x820 [ 453.819756] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 453.825110] ? syscall_return_slowpath+0x5e0/0x5e0 [ 453.830052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.834891] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.841547] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 453.846728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 453.851737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.856570] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 453.861927] warn_alloc_show_mem: 1 callbacks suppressed [ 453.861936] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 453.861937] Mem-Info: [ 453.861966] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 453.861966] active_file:98 inactive_file:120 isolated_file:0 [ 453.861966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 453.861966] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 453.861966] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 453.861966] free:13602 free_pcp:142 free_cma:0 [ 453.867294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.874213] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 453.876595] Call Trace: [ 453.909546] Node 0 [ 453.918881] [ 453.946547] 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 [ 453.949098] dump_stack+0x1c4/0x2b4 [ 453.951305] lowmem_reserve[]: [ 453.953442] ? dump_stack_print_info.cold.2+0x52/0x52 [ 453.978908] 0 [ 453.982525] warn_alloc.cold.119+0xb7/0x1bd [ 453.985594] 2819 [ 453.990766] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 453.992539] 6323 [ 453.996845] ? lock_downgrade+0x900/0x900 [ 453.998878] 6323 [ 454.003703] ? trace_hardirqs_off+0xb8/0x310 [ 454.009863] ? trace_hardirqs_off+0xb8/0x310 [ 454.011903] Node 0 [ 454.016297] __alloc_pages_slowpath+0x2667/0x2d80 [ 454.020694] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 454.022906] ? warn_alloc+0x120/0x120 [ 454.027704] lowmem_reserve[]: [ 454.054231] ? warn_alloc+0x120/0x120 [ 454.058003] 0 [ 454.061101] ? warn_alloc+0x120/0x120 [ 454.064871] 0 [ 454.066655] ? lock_release+0x970/0x970 [ 454.070425] 3503 [ 454.072211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 454.076150] 3503 [ 454.078199] ? trace_hardirqs_on+0x310/0x310 [ 454.085406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.089781] Node 0 [ 454.095299] ? should_fail+0x22d/0xd01 [ 454.095330] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 454.097532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.101388] lowmem_reserve[]: [ 454.129822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.134892] 0 [ 454.137983] ? should_fail+0x22d/0xd01 [ 454.143499] 0 [ 454.145289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.149145] 0 [ 454.150934] ? should_fail+0x22d/0xd01 [ 454.156011] 0 [ 454.157799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.163438] ? mark_held_locks+0x130/0x130 [ 454.168516] Node 0 DMA: [ 454.172733] ? mark_held_locks+0x130/0x130 [ 454.172748] ? kvm_clock_read+0x18/0x30 [ 454.175390] 1*4kB [ 454.179607] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 454.183548] (U) [ 454.185683] ? ktime_get+0x2e1/0x440 [ 454.190666] 0*8kB [ 454.192625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.196308] 0*16kB [ 454.198452] ? check_preemption_disabled+0x48/0x200 [ 454.204124] 1*32kB [ 454.206349] ? kasan_check_read+0x11/0x20 [ 454.211326] (U) [ 454.213551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 454.217665] 2*64kB [ 454.219626] ? rcu_bh_qs+0xc0/0xc0 [ 454.224871] (U) [ 454.227099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.230606] 1*128kB [ 454.232569] ? check_preemption_disabled+0x48/0x200 [ 454.238074] (U) [ 454.240391] __alloc_pages_nodemask+0xa80/0xde0 [ 454.245374] 1*256kB [ 454.247333] ? should_fail+0x22d/0xd01 [ 454.254225] (U) [ 454.256533] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 454.260393] 0*512kB [ 454.262371] ? ____cache_alloc_node+0x1c7/0x1e0 [ 454.267350] 1*1024kB [ 454.269655] ? lock_downgrade+0x900/0x900 [ 454.274306] (U) [ 454.276703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.280826] 1*2048kB [ 454.282796] cache_grow_begin+0x91/0x8c0 [ 454.288298] (M) [ 454.290694] ? do_raw_spin_unlock+0xa7/0x2f0 [ 454.294717] 3*4096kB (M) [ 454.296686] fallback_alloc+0x203/0x2e0 [ 454.301061] = 15908kB [ 454.303813] ____cache_alloc_node+0x1c7/0x1e0 [ 454.307849] Node 0 [ 454.310244] kmem_cache_alloc_node+0xe3/0x730 [ 454.314704] DMA32: [ 454.316925] ? ipv6_get_ifaddr+0x42e/0x620 [ 454.321386] 5*4kB [ 454.323606] __alloc_skb+0x119/0x770 [ 454.327806] (UM) [ 454.329940] ? skb_scrub_packet+0x490/0x490 [ 454.333623] 0*8kB [ 454.335669] ? lock_downgrade+0x900/0x900 [ 454.339958] 5*16kB [ 454.342096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.346209] (UMH) [ 454.348433] ? refcount_sub_and_test_checked+0x203/0x310 [ 454.353938] 5*32kB [ 454.356092] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 454.361508] (UMH) [ 454.363730] ? addrconf_rs_timer+0x690/0x690 [ 454.369148] 7*64kB [ 454.371284] ndisc_alloc_skb+0x144/0x340 [ 454.375659] (UM) [ 454.377904] ndisc_send_rs+0x331/0x6e0 [ 454.381933] 4*128kB [ 454.383980] addrconf_rs_timer+0x314/0x690 [ 454.387838] (UM) [ 454.390145] ? neigh_invalidate+0x550/0x550 [ 454.394346] 5*256kB [ 454.396391] ? br_multicast_group_expired+0x13a/0x610 [ 454.400681] (UMH) [ 454.402992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.408149] 4*512kB [ 454.410286] call_timer_fn+0x272/0x920 [ 454.414492] (UM) [ 454.416801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.420656] 4*1024kB [ 454.422705] ? process_timeout+0x40/0x40 [ 454.426904] (UMH) [ 454.429298] ? trace_hardirqs_off+0xb8/0x310 [ 454.433323] 4*2048kB (UM) [ 454.435465] ? kasan_check_read+0x11/0x20 [ 454.439844] 2*4096kB [ 454.442673] ? do_raw_spin_unlock+0xa7/0x2f0 [ 454.446787] (M) [ 454.449181] ? trace_hardirqs_on+0x310/0x310 [ 454.453557] = 25028kB [ 454.455517] ? __run_timers+0x7da/0xc70 [ 454.459905] Node 0 [ 454.462299] ? lock_downgrade+0x900/0x900 [ 454.466239] Normal: [ 454.468458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 454.472572] 809*4kB [ 454.474878] ? trace_hardirqs_on+0xbd/0x310 [ 454.479945] (UMEH) [ 454.482252] ? kasan_check_read+0x11/0x20 [ 454.486541] 372*8kB [ 454.488758] ? __run_timers+0x7da/0xc70 [ 454.492872] (UMEH) [ 454.495192] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 454.499134] 191*16kB [ 454.501356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.506769] (UMEH) [ 454.509193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.514697] 81*32kB [ 454.516917] __run_timers+0x7e5/0xc70 [ 454.521117] (UME) [ 454.523432] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 454.527196] 21*64kB [ 454.529341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 454.534680] (UMH) [ 454.536990] ? timerqueue_add+0x207/0x2b0 [ 454.541972] 3*128kB [ 454.544105] ? enqueue_hrtimer+0x1a5/0x560 [ 454.548222] (UH) [ 454.550531] ? lock_release+0x970/0x970 [ 454.554751] 0*256kB [ 454.556797] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 454.560740] 0*512kB [ 454.563048] ? kasan_check_write+0x14/0x20 [ 454.568218] 0*1024kB [ 454.570526] ? pvclock_read_flags+0x160/0x160 [ 454.574727] 0*2048kB [ 454.577121] ? lock_downgrade+0x900/0x900 [ 454.581583] 0*4096kB [ 454.583981] ? trace_hardirqs_on+0xbd/0x310 [ 454.588094] = 13588kB [ 454.590487] ? kvm_sched_clock_read+0x9/0x20 [ 454.594782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 454.597173] ? irq_exit+0x17f/0x1c0 [ 454.601556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 454.610370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.613964] 348 total pagecache pages [ 454.622520] ? check_preemption_disabled+0x48/0x200 [ 454.628139] 0 pages in swap cache [ 454.631923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.636913] Swap cache stats: add 0, delete 0, find 0/0 [ 454.640349] run_timer_softirq+0x52/0xb0 [ 454.645854] Free swap = 0kB [ 454.651200] ? __this_cpu_preempt_check+0x1c/0x1f [ 454.655229] Total swap = 0kB [ 454.658236] __do_softirq+0x30b/0xad8 [ 454.663053] 1965979 pages RAM [ 454.666064] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 454.669829] 0 pages HighMem/MovableOnly [ 454.672917] ? pvclock_read_flags+0x160/0x160 [ 454.677991] 342307 pages reserved [ 454.681948] ? lapic_next_event+0x5a/0x90 [ 454.686410] 0 pages cma reserved [ 454.689846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.694006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 454.697311] ? clockevents_program_event+0x140/0x370 [ 454.702874] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 454.709299] ? kvm_clock_read+0x18/0x30 [ 454.714366] syz-executor3 cpuset= [ 454.724836] ? kvm_sched_clock_read+0x9/0x20 [ 454.728779] syz3 [ 454.732218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.736596] mems_allowed=0 [ 454.738556] ? check_preemption_disabled+0x48/0x200 [ 454.751973] irq_exit+0x17f/0x1c0 [ 454.755417] smp_apic_timer_interrupt+0x1cb/0x760 [ 454.760247] ? smp_reschedule_interrupt+0x109/0x650 [ 454.765253] ? smp_call_function_single_interrupt+0x650/0x650 [ 454.771144] ? interrupt_entry+0xb5/0xf0 [ 454.775197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 454.780200] ? trace_hardirqs_off_caller+0xbb/0x310 [ 454.785227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.790060] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.795064] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.800069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.805596] ? check_preemption_disabled+0x48/0x200 [ 454.810608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.816137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.820974] apic_timer_interrupt+0xf/0x20 [ 454.825192] [ 454.827420] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 454.832600] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 454.851491] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 454.859188] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 454.866450] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 454.873719] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 454.880976] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 454.888234] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 454.895502] ? trace_hardirqs_on+0x9a/0x310 [ 454.899823] ? trace_hardirqs_on+0xb4/0x310 [ 454.904139] retint_kernel+0x1b/0x2d [ 454.907845] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 454.913114] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 454.932000] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 454.939722] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 454.946977] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 454.954235] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 454.961490] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 454.968747] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 454.976025] ? trace_hardirqs_on+0x9a/0x310 [ 454.980337] ? arch_local_irq_restore+0x45/0x52 [ 454.985001] dump_stack+0x26a/0x2b4 [ 454.988630] ? dump_stack_print_info.cold.2+0x52/0x52 [ 454.993815] ? mark_held_locks+0x130/0x130 [ 454.998042] ? mark_held_locks+0x130/0x130 [ 455.002276] dump_header+0x27b/0xf72 [ 455.005981] ? rcu_read_unlock+0x16/0x60 [ 455.010041] ? pagefault_out_of_memory+0x197/0x197 [ 455.014961] ? mark_held_locks+0x130/0x130 [ 455.019195] ? percpu_ref_put_many+0x13e/0x260 [ 455.023777] ? mem_cgroup_charge_statistics+0x780/0x780 [ 455.029139] ? mem_cgroup_iter+0x1f7/0x1160 [ 455.033453] ? mark_held_locks+0x130/0x130 [ 455.037685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.043211] ? task_will_free_mem+0x239/0xb30 [ 455.047796] ? ___ratelimit+0x36f/0x655 [ 455.051762] ? lock_downgrade+0x900/0x900 [ 455.055905] ? trace_hardirqs_on+0xbd/0x310 [ 455.060217] ? kasan_check_read+0x11/0x20 [ 455.064356] ? ___ratelimit+0x36f/0x655 [ 455.068324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 455.073762] ? trace_hardirqs_on+0x310/0x310 [ 455.078157] ? lock_downgrade+0x900/0x900 [ 455.083001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.089666] ? ___ratelimit+0xaa/0x655 [ 455.093546] ? idr_get_free+0xec0/0xec0 [ 455.097511] ? kasan_check_write+0x14/0x20 [ 455.101751] ? do_raw_spin_lock+0xc1/0x200 [ 455.105983] oom_kill_process.cold.27+0x10/0x903 [ 455.110732] ? lock_downgrade+0x900/0x900 [ 455.115227] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.121020] ? oom_evaluate_task+0x540/0x540 [ 455.125422] ? oom_unkillable_task+0x383/0x580 [ 455.129994] ? out_of_memory+0x974/0x1430 [ 455.134144] ? lock_downgrade+0x900/0x900 [ 455.138291] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.144077] ? __cpuset_node_allowed+0x19b/0x660 [ 455.148825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.154349] ? oom_evaluate_task+0x302/0x540 [ 455.158747] out_of_memory+0xa84/0x1430 [ 455.162717] ? oom_killer_disable+0x3a0/0x3a0 [ 455.167202] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 455.172124] ? __mutex_add_waiter+0x2a0/0x2a0 [ 455.176607] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 455.181610] ? find_next_bit+0x104/0x130 [ 455.185668] __alloc_pages_slowpath+0x2318/0x2d80 [ 455.190525] ? warn_alloc+0x120/0x120 [ 455.194314] ? __radix_tree_lookup+0x4c0/0x4c0 [ 455.198892] ? find_get_entry+0x2f2/0xc40 [ 455.203035] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 455.207956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.213482] ? should_fail+0x22d/0xd01 [ 455.217362] ? ___might_sleep+0x1ed/0x300 [ 455.221498] ? lock_release+0x970/0x970 [ 455.225463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.230555] ? debug_smp_processor_id+0x1c/0x20 [ 455.235216] ? __might_sleep+0x95/0x190 [ 455.239183] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 455.244022] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 455.249036] ? lock_downgrade+0x900/0x900 [ 455.253178] ? ___might_sleep+0x1ed/0x300 [ 455.257315] ? lock_release+0x970/0x970 [ 455.261279] ? arch_local_save_flags+0x40/0x40 [ 455.265849] ? finish_task_switch+0x1f5/0x900 [ 455.270338] ? __might_sleep+0x95/0x190 [ 455.274306] __alloc_pages_nodemask+0xa80/0xde0 [ 455.278969] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 455.283983] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.289871] ? mark_held_locks+0x130/0x130 [ 455.294089] ? kasan_check_write+0x14/0x20 [ 455.298312] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 455.303006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.308532] ? __do_page_cache_readahead+0x7ce/0x980 [ 455.313631] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 455.319159] alloc_pages_current+0x10c/0x210 [ 455.323555] ? lock_downgrade+0x900/0x900 [ 455.327691] __page_cache_alloc+0x38f/0x5b0 [ 455.332019] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.337810] ? ext4_filemap_fault+0x82/0xad [ 455.342126] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 455.346783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.352313] ? check_preemption_disabled+0x48/0x200 [ 455.357325] filemap_fault+0x1594/0x25f0 [ 455.361382] ? __lock_page_or_retry+0xa00/0xa00 [ 455.366045] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.371833] ? lock_downgrade+0x900/0x900 [ 455.375974] ? trace_hardirqs_on+0xbd/0x310 [ 455.380292] ? kasan_check_read+0x11/0x20 [ 455.384430] ? __free_object+0x173/0x340 [ 455.388487] ? filemap_map_pages+0xdea/0x1980 [ 455.392974] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.398086] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 455.403349] ? debug_object_free+0x325/0x690 [ 455.407748] ? find_get_pages_range_tag+0x1320/0x1320 [ 455.412933] ? do_raw_spin_lock+0xc1/0x200 [ 455.417167] ? kasan_check_read+0x11/0x20 [ 455.421303] ? debug_object_destroy+0x2b0/0x2b0 [ 455.425959] ? kasan_check_write+0x14/0x20 [ 455.430191] ? lock_acquire+0x1ed/0x520 [ 455.434154] ? ext4_filemap_fault+0x7a/0xad [ 455.438468] ? lock_release+0x970/0x970 [ 455.442430] ? arch_local_save_flags+0x40/0x40 [ 455.447008] ? futex_wait_setup+0x3e0/0x3e0 [ 455.451327] ? down_read+0xb0/0x1d0 [ 455.454941] ? ext4_filemap_fault+0x7a/0xad [ 455.459257] ? __down_interruptible+0x700/0x700 [ 455.463930] ext4_filemap_fault+0x82/0xad [ 455.468075] __do_fault+0x100/0x6b0 [ 455.471693] ? print_bad_pte+0x6c0/0x6c0 [ 455.475747] ? do_futex+0x249/0x26d0 [ 455.479453] ? pmd_val+0x88/0x100 [ 455.482900] ? add_mm_counter_fast+0xd0/0xd0 [ 455.487301] ? pmd_val+0x88/0x100 [ 455.490759] ? add_mm_counter_fast+0xd0/0xd0 [ 455.495170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.500700] __handle_mm_fault+0x3709/0x53e0 [ 455.505095] ? perf_trace_lock+0x14d/0x7a0 [ 455.509326] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 455.514162] ? ksys_dup3+0x680/0x680 [ 455.517864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.523390] ? should_fail+0x22d/0xd01 [ 455.527277] ? lock_acquire+0x1ed/0x520 [ 455.531246] ? handle_mm_fault+0x42a/0xc70 [ 455.535472] ? lock_downgrade+0x900/0x900 [ 455.539613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 455.545399] ? lock_downgrade+0x900/0x900 [ 455.549538] ? __do_page_fault+0x67d/0xed0 [ 455.553763] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 455.559201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.564730] ? check_preemption_disabled+0x48/0x200 [ 455.569738] handle_mm_fault+0x54f/0xc70 [ 455.573792] ? __handle_mm_fault+0x53e0/0x53e0 [ 455.578368] ? find_vma+0x34/0x190 [ 455.581900] __do_page_fault+0x67d/0xed0 [ 455.585971] ? mm_fault_error+0x380/0x380 [ 455.590457] ? trace_hardirqs_off+0xb8/0x310 [ 455.594858] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 455.600211] ? trace_hardirqs_on+0x310/0x310 [ 455.604618] do_page_fault+0xf2/0x7e0 [ 455.609949] ? vmalloc_sync_all+0x30/0x30 [ 455.614095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.619619] ? error_entry+0x70/0xd0 [ 455.623324] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.628331] ? trace_hardirqs_on_caller+0xc0/0x310 [ 455.633254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 455.638175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.643009] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.648015] ? trace_hardirqs_off+0x310/0x310 [ 455.652504] ? prepare_exit_to_usermode+0x291/0x3b0 [ 455.657508] ? page_fault+0x8/0x30 [ 455.661039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.665871] ? page_fault+0x8/0x30 [ 455.669400] page_fault+0x1e/0x30 [ 455.672839] RIP: 0033:0x40f9c0 [ 455.676025] Code: Bad RIP value. [ 455.679377] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 455.684752] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 455.692013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 455.699270] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 455.706525] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 455.713782] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 455.721058] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 455.721100] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 455.728326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.728329] Call Trace: [ 455.728335] [ 455.728353] dump_stack+0x1c4/0x2b4 [ 455.734849] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 455.744158] ? dump_stack_print_info.cold.2+0x52/0x52 [ 455.746709] syz-fuzzer cpuset=/ [ 455.748853] warn_alloc.cold.119+0xb7/0x1bd [ 455.752450] mems_allowed=0 [ 455.762656] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 455.783639] ? lock_downgrade+0x900/0x900 [ 455.787780] ? trace_hardirqs_off+0xb8/0x310 [ 455.792179] ? trace_hardirqs_off+0xb8/0x310 [ 455.796583] __alloc_pages_slowpath+0x2667/0x2d80 [ 455.801434] ? warn_alloc+0x120/0x120 [ 455.805226] ? trace_hardirqs_on+0x310/0x310 [ 455.809629] ? warn_alloc+0x120/0x120 [ 455.813422] ? warn_alloc+0x120/0x120 [ 455.817260] ? ktime_get+0x2e1/0x440 [ 455.820973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.826505] ? check_preemption_disabled+0x48/0x200 [ 455.831514] ? kasan_check_read+0x11/0x20 [ 455.835653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.841178] ? should_fail+0x22d/0xd01 [ 455.845054] ? rcu_bh_qs+0xc0/0xc0 [ 455.848587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.853690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.859220] ? should_fail+0x22d/0xd01 [ 455.863101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.868195] ? should_fail+0x22d/0xd01 [ 455.872072] ? rcu_idle_enter+0x4b0/0x4b0 [ 455.876216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.881308] ? mark_held_locks+0x130/0x130 [ 455.885533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.891059] ? mark_held_locks+0x130/0x130 [ 455.895298] ? rcu_irq_exit+0xce/0x100 [ 455.899175] ? irq_exit+0xbd/0x1c0 [ 455.902712] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 455.907719] ? do_raw_spin_unlock+0xa7/0x2f0 [ 455.912116] ? smp_call_function_single_interrupt+0x650/0x650 [ 455.917997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.923541] ? ret_from_intr+0xb/0x1e [ 455.927329] ? retint_kernel+0x2d/0x2d [ 455.931208] ? trace_hardirqs_on_caller+0xc0/0x310 [ 455.936128] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 455.940872] ? trace_hardirqs_off+0x310/0x310 [ 455.945789] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.950886] __alloc_pages_nodemask+0xa80/0xde0 [ 455.955543] ? should_fail+0x22d/0xd01 [ 455.959421] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 455.964440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 455.969100] ? lock_downgrade+0x900/0x900 [ 455.973257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.978785] cache_grow_begin+0x91/0x8c0 [ 455.982839] ? do_raw_spin_unlock+0xa7/0x2f0 [ 455.987241] fallback_alloc+0x203/0x2e0 [ 455.991212] ____cache_alloc_node+0x1c7/0x1e0 [ 455.995704] kmem_cache_alloc_node+0xe3/0x730 [ 456.000191] ? ipv6_get_ifaddr+0x42e/0x620 [ 456.004420] __alloc_skb+0x119/0x770 [ 456.008127] ? skb_scrub_packet+0x490/0x490 [ 456.012435] ? lock_downgrade+0x900/0x900 [ 456.016575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.022103] ? refcount_sub_and_test_checked+0x203/0x310 [ 456.027544] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 456.032984] ? addrconf_rs_timer+0x690/0x690 [ 456.037391] ndisc_alloc_skb+0x144/0x340 [ 456.041443] ndisc_send_rs+0x331/0x6e0 [ 456.045324] addrconf_rs_timer+0x314/0x690 [ 456.049564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.053798] call_timer_fn+0x272/0x920 [ 456.057689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.061926] ? process_timeout+0x40/0x40 [ 456.065977] ? trace_hardirqs_off+0xb8/0x310 [ 456.070372] ? kasan_check_read+0x11/0x20 [ 456.074511] ? do_raw_spin_unlock+0xa7/0x2f0 [ 456.078911] ? trace_hardirqs_on+0x310/0x310 [ 456.083317] ? __run_timers+0x7da/0xc70 [ 456.087280] ? lock_downgrade+0x900/0x900 [ 456.091420] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.096513] ? trace_hardirqs_on+0xbd/0x310 [ 456.100820] ? kasan_check_read+0x11/0x20 [ 456.104960] ? __run_timers+0x7da/0xc70 [ 456.108933] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 456.114374] ? kasan_check_write+0x14/0x20 [ 456.118598] ? do_raw_spin_lock+0xc1/0x200 [ 456.122823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.127068] __run_timers+0x7e5/0xc70 [ 456.130866] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 456.136219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 456.141227] ? timerqueue_add+0x207/0x2b0 [ 456.145367] ? enqueue_hrtimer+0x1a5/0x560 [ 456.149589] ? lock_release+0x970/0x970 [ 456.153556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 456.158740] ? kasan_check_write+0x14/0x20 [ 456.162972] ? pvclock_read_flags+0x160/0x160 [ 456.167460] ? lock_downgrade+0x900/0x900 [ 456.171605] ? trace_hardirqs_on+0xbd/0x310 [ 456.175925] ? kvm_sched_clock_read+0x9/0x20 [ 456.180324] ? irq_exit+0x17f/0x1c0 [ 456.183944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.189475] ? check_preemption_disabled+0x48/0x200 [ 456.194481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.200012] run_timer_softirq+0x52/0xb0 [ 456.204064] ? __this_cpu_preempt_check+0x1c/0x1f [ 456.208895] __do_softirq+0x30b/0xad8 [ 456.212699] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 456.217793] ? pvclock_read_flags+0x160/0x160 [ 456.222278] ? lapic_next_event+0x5a/0x90 [ 456.226416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.231942] ? clockevents_program_event+0x140/0x370 [ 456.237053] ? kvm_clock_read+0x18/0x30 [ 456.241016] ? kvm_sched_clock_read+0x9/0x20 [ 456.245414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.250942] ? check_preemption_disabled+0x48/0x200 [ 456.255953] irq_exit+0x17f/0x1c0 [ 456.259409] smp_apic_timer_interrupt+0x1cb/0x760 [ 456.264241] ? smp_reschedule_interrupt+0x109/0x650 [ 456.269245] ? smp_call_function_single_interrupt+0x650/0x650 [ 456.275120] ? interrupt_entry+0xb5/0xf0 [ 456.279172] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.284180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.289187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.294019] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.299021] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.304025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.309554] ? check_preemption_disabled+0x48/0x200 [ 456.314577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.320107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.324947] apic_timer_interrupt+0xf/0x20 [ 456.329169] [ 456.331399] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 456.336319] 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 [ 456.355209] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 456.362911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 456.370172] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 456.377428] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 456.384696] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 456.391953] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 456.399224] ? trace_hardirqs_on+0xb4/0x310 [ 456.403548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.409083] skb_clone+0x1bb/0x500 [ 456.412614] ? skb_split+0x11e0/0x11e0 [ 456.416491] ? check_preemption_disabled+0x48/0x200 [ 456.421498] ? __this_cpu_preempt_check+0x1c/0x1f [ 456.426332] ? __bpf_redirect+0x54b/0xb20 [ 456.430467] ? __switch_to_asm+0x34/0x70 [ 456.434522] bpf_clone_redirect+0xb9/0x490 [ 456.438751] bpf_prog_466abe619656067b+0x436/0x1000 [ 456.443759] ? __sched_text_start+0x8/0x8 [ 456.447903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 456.452660] ? retint_kernel+0x2d/0x2d [ 456.456547] ? lock_acquire+0x1ed/0x520 [ 456.460510] ? bpf_test_run+0x32e/0x5a0 [ 456.464476] ? lock_downgrade+0x900/0x900 [ 456.468619] ? lock_release+0x970/0x970 [ 456.472595] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 456.478385] ? preempt_schedule_common+0x1f/0xd0 [ 456.483663] ? preempt_schedule+0x4d/0x60 [ 456.487801] ? ___preempt_schedule+0x16/0x18 [ 456.492203] ? bpf_test_run+0x1c0/0x5a0 [ 456.496179] ? netlink_diag_dump+0x2a0/0x2a0 [ 456.500578] ? bpf_prog_test_run_skb+0x295/0xb40 [ 456.505325] ? bpf_prog_test_run_skb+0x634/0xb40 [ 456.510089] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 456.514922] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 456.520447] ? fput+0x130/0x1a0 [ 456.523718] ? __bpf_prog_get+0x9b/0x290 [ 456.527768] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 456.532600] ? bpf_prog_test_run+0x130/0x1a0 [ 456.536998] ? __x64_sys_bpf+0x3d8/0x510 [ 456.541050] ? bpf_prog_get+0x20/0x20 [ 456.545199] ? do_syscall_64+0x1b9/0x820 [ 456.549250] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 456.554604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 456.559527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.564360] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.569371] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 456.574381] ? prepare_exit_to_usermode+0x291/0x3b0 [ 456.579390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.584226] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 456.589761] warn_alloc_show_mem: 1 callbacks suppressed [ 456.589771] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 456.589772] Mem-Info: [ 456.589799] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 456.589799] active_file:98 inactive_file:120 isolated_file:0 [ 456.589799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 456.589799] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 456.589799] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 456.589799] free:13602 free_pcp:142 free_cma:0 [ 456.595136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.595143] Call Trace: [ 456.602064] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 456.604450] [ 456.637391] Node 0 [ 456.646733] dump_stack+0x1c4/0x2b4 [ 456.649306] 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 [ 456.677142] ? dump_stack_print_info.cold.2+0x52/0x52 [ 456.679262] lowmem_reserve[]: [ 456.681489] warn_alloc.cold.119+0xb7/0x1bd [ 456.685082] 0 [ 456.710566] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 456.715720] 2819 [ 456.718808] ? lock_downgrade+0x900/0x900 [ 456.723098] 6323 [ 456.724895] ? trace_hardirqs_off+0xb8/0x310 [ 456.729705] 6323 [ 456.731757] ? trace_hardirqs_off+0xb8/0x310 [ 456.737940] __alloc_pages_slowpath+0x2667/0x2d80 [ 456.742313] Node 0 [ 456.744372] ? warn_alloc+0x120/0x120 [ 456.748774] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 456.753592] ? lock_release+0x970/0x970 [ 456.755798] lowmem_reserve[]: [ 456.759584] ? warn_alloc+0x120/0x120 [ 456.787314] 0 [ 456.791270] ? trace_hardirqs_on+0x310/0x310 [ 456.794347] 0 [ 456.798132] ? warn_alloc+0x120/0x120 [ 456.799903] 3503 [ 456.804297] ? mark_held_locks+0x130/0x130 [ 456.806070] 3503 [ 456.809859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.816104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.818142] Node 0 [ 456.823660] ? should_fail+0x22d/0xd01 [ 456.829191] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 456.831392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.835248] lowmem_reserve[]: [ 456.863769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.868839] 0 [ 456.871935] ? should_fail+0x22d/0xd01 [ 456.877439] 0 [ 456.879236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.883090] 0 [ 456.884879] ? should_fail+0x22d/0xd01 [ 456.889949] 0 [ 456.891737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.897383] ? mark_held_locks+0x130/0x130 [ 456.902452] Node 0 DMA: [ 456.906669] ? mark_held_locks+0x130/0x130 [ 456.906683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.909324] 1*4kB [ 456.913541] ? trace_hardirqs_off+0xb8/0x310 [ 456.919043] (U) [ 456.921176] ? kasan_check_read+0x11/0x20 [ 456.925551] 0*8kB [ 456.927511] ? do_raw_spin_unlock+0xa7/0x2f0 [ 456.931627] 0*16kB [ 456.933763] ? trace_hardirqs_on+0x310/0x310 [ 456.938139] 1*32kB [ 456.940358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.944733] (U) [ 456.946953] ? wq_watchdog_touch+0x9c/0xfe [ 456.952462] 2*64kB [ 456.954424] ? io_serial_in+0x11/0x90 [ 456.958628] (U) [ 456.960857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.964626] 1*128kB [ 456.966584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.972093] (U) [ 456.974412] __alloc_pages_nodemask+0xa80/0xde0 [ 456.979480] 1*256kB [ 456.981440] ? should_fail+0x22d/0xd01 [ 456.986074] (U) [ 456.988389] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 456.992248] 0*512kB [ 456.994222] ? ____cache_alloc_node+0x1c7/0x1e0 [ 456.999201] 1*1024kB [ 457.001507] ? lock_downgrade+0x900/0x900 [ 457.006145] (U) [ 457.008541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.012659] 1*2048kB [ 457.014621] cache_grow_begin+0x91/0x8c0 [ 457.020126] (M) [ 457.022521] ? do_raw_spin_unlock+0xa7/0x2f0 [ 457.026550] 3*4096kB [ 457.028510] fallback_alloc+0x203/0x2e0 [ 457.032883] (M) [ 457.035280] ____cache_alloc_node+0x1c7/0x1e0 [ 457.039225] = 15908kB [ 457.041184] kmem_cache_alloc_node+0xe3/0x730 [ 457.045649] Node 0 [ 457.048044] ? ipv6_get_ifaddr+0x42e/0x620 [ 457.052504] DMA32: 5*4kB [ 457.054733] __alloc_skb+0x119/0x770 [ 457.058935] (UM) [ 457.061680] ? skb_scrub_packet+0x490/0x490 [ 457.065382] 0*8kB [ 457.067436] ? lock_downgrade+0x900/0x900 [ 457.071725] 5*16kB [ 457.073863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.077977] (UMH) [ 457.080199] ? refcount_sub_and_test_checked+0x203/0x310 [ 457.085704] 5*32kB [ 457.087846] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 457.093263] (UMH) [ 457.095485] ? addrconf_rs_timer+0x690/0x690 [ 457.100901] 7*64kB [ 457.103037] ndisc_alloc_skb+0x144/0x340 [ 457.107409] (UM) [ 457.109641] ndisc_send_rs+0x331/0x6e0 [ 457.113668] 4*128kB [ 457.115715] addrconf_rs_timer+0x314/0x690 [ 457.119586] (UM) [ 457.121891] ? neigh_invalidate+0x550/0x550 [ 457.126098] 5*256kB [ 457.128148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.132545] (UMH) [ 457.134859] call_timer_fn+0x272/0x920 [ 457.139060] 4*512kB [ 457.141192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.145048] (UM) [ 457.147359] ? process_timeout+0x40/0x40 [ 457.151557] 4*1024kB (UMH) [ 457.153614] ? trace_hardirqs_off+0xb8/0x310 [ 457.157645] 4*2048kB [ 457.160569] ? kasan_check_read+0x11/0x20 [ 457.164952] (UM) [ 457.167345] ? do_raw_spin_unlock+0xa7/0x2f0 [ 457.171461] 2*4096kB [ 457.173509] ? trace_hardirqs_on+0x310/0x310 [ 457.177893] (M) [ 457.180287] ? __run_timers+0x7da/0xc70 [ 457.186411] = 25028kB [ 457.189124] ? lock_downgrade+0x900/0x900 [ 457.194290] Node 0 [ 457.197726] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 457.203343] Normal: [ 457.206436] ? trace_hardirqs_on+0xbd/0x310 [ 457.212811] 809*4kB [ 457.216225] ? kasan_check_read+0x11/0x20 [ 457.221758] (UMEH) [ 457.224066] ? __run_timers+0x7da/0xc70 [ 457.228182] 372*8kB [ 457.230408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 457.234352] (UMEH) [ 457.236660] ? kasan_check_write+0x14/0x20 [ 457.242076] 191*16kB (UMEH) [ 457.244302] ? do_raw_spin_lock+0xc1/0x200 [ 457.248505] 81*32kB [ 457.251510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.255710] (UME) [ 457.258020] __run_timers+0x7e5/0xc70 [ 457.262222] 21*64kB [ 457.264360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 457.268125] (UMH) [ 457.270435] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 457.275763] 3*128kB [ 457.277897] ? timerqueue_add+0x207/0x2b0 [ 457.282875] (UH) [ 457.285184] ? enqueue_hrtimer+0x1a5/0x560 [ 457.289308] 0*256kB [ 457.291355] ? lock_release+0x970/0x970 [ 457.295572] 0*512kB [ 457.297878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 457.301835] 0*1024kB [ 457.304143] ? kasan_check_write+0x14/0x20 [ 457.309297] 0*2048kB 0*4096kB [ 457.311711] ? pvclock_read_flags+0x160/0x160 [ 457.315910] = 13588kB [ 457.319097] ? lock_downgrade+0x900/0x900 [ 457.323568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 457.325953] ? trace_hardirqs_on+0xbd/0x310 [ 457.330071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 457.330078] 348 total pagecache pages [ 457.338894] ? kvm_sched_clock_read+0x9/0x20 [ 457.343182] 0 pages in swap cache [ 457.351740] ? irq_exit+0x17f/0x1c0 [ 457.355528] Swap cache stats: add 0, delete 0, find 0/0 [ 457.359915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.363337] Free swap = 0kB [ 457.367047] ? check_preemption_disabled+0x48/0x200 [ 457.372377] Total swap = 0kB [ 457.377896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.380887] 1965979 pages RAM [ 457.385890] run_timer_softirq+0x52/0xb0 [ 457.388878] 0 pages HighMem/MovableOnly [ 457.394397] ? __this_cpu_preempt_check+0x1c/0x1f [ 457.397470] 342307 pages reserved [ 457.401513] __do_softirq+0x30b/0xad8 [ 457.405454] 0 pages cma reserved [ 457.410284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 457.413747] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 457.417489] ? pvclock_read_flags+0x160/0x160 [ 457.420888] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 457.425931] ? lapic_next_event+0x5a/0x90 [ 457.432398] syz-executor3 cpuset= [ 457.436878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.447329] syz3 [ 457.451463] ? clockevents_program_event+0x140/0x370 [ 457.454886] mems_allowed=0 [ 457.460407] ? kvm_clock_read+0x18/0x30 [ 457.474301] ? kvm_sched_clock_read+0x9/0x20 [ 457.478702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.484232] ? check_preemption_disabled+0x48/0x200 [ 457.489244] irq_exit+0x17f/0x1c0 [ 457.492695] smp_apic_timer_interrupt+0x1cb/0x760 [ 457.499001] ? smp_reschedule_interrupt+0x109/0x650 [ 457.504013] ? smp_call_function_single_interrupt+0x650/0x650 [ 457.509883] ? interrupt_entry+0xb5/0xf0 [ 457.513934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.518942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.523949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.528781] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.533801] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.538812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.544338] ? check_preemption_disabled+0x48/0x200 [ 457.549342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.554889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.559726] apic_timer_interrupt+0xf/0x20 [ 457.563947] [ 457.566178] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 457.571359] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 457.590246] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 457.597941] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 457.605713] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 457.612972] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 457.620234] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 457.627490] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 457.634788] ? trace_hardirqs_on+0x9a/0x310 [ 457.639112] ? trace_hardirqs_on+0xb4/0x310 [ 457.643433] retint_kernel+0x1b/0x2d [ 457.647144] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 457.652414] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 457.671312] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 457.679020] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 457.686393] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 457.693649] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 457.700906] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 457.708163] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 457.715433] ? trace_hardirqs_on+0x9a/0x310 [ 457.719743] ? arch_local_irq_restore+0x45/0x52 [ 457.724411] dump_stack+0x26a/0x2b4 [ 457.728035] ? dump_stack_print_info.cold.2+0x52/0x52 [ 457.733214] ? mark_held_locks+0x130/0x130 [ 457.737436] ? mark_held_locks+0x130/0x130 [ 457.741666] dump_header+0x27b/0xf72 [ 457.745371] ? rcu_read_unlock+0x16/0x60 [ 457.749686] ? pagefault_out_of_memory+0x197/0x197 [ 457.754607] ? mark_held_locks+0x130/0x130 [ 457.758834] ? percpu_ref_put_many+0x13e/0x260 [ 457.763410] ? mem_cgroup_charge_statistics+0x780/0x780 [ 457.768776] ? mem_cgroup_iter+0x1f7/0x1160 [ 457.773414] ? mark_held_locks+0x130/0x130 [ 457.777656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.783185] ? task_will_free_mem+0x239/0xb30 [ 457.787677] ? ___ratelimit+0x36f/0x655 [ 457.791644] ? lock_downgrade+0x900/0x900 [ 457.795793] ? trace_hardirqs_on+0xbd/0x310 [ 457.800101] ? kasan_check_read+0x11/0x20 [ 457.804239] ? ___ratelimit+0x36f/0x655 [ 457.808205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 457.813643] ? trace_hardirqs_on+0x310/0x310 [ 457.818047] ? lock_downgrade+0x900/0x900 [ 457.822192] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 457.827285] ? ___ratelimit+0xaa/0x655 [ 457.831167] ? idr_get_free+0xec0/0xec0 [ 457.835128] ? kasan_check_write+0x14/0x20 [ 457.839355] ? do_raw_spin_lock+0xc1/0x200 [ 457.843587] oom_kill_process.cold.27+0x10/0x903 [ 457.848334] ? lock_downgrade+0x900/0x900 [ 457.852476] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 457.858267] ? oom_evaluate_task+0x540/0x540 [ 457.862683] ? oom_unkillable_task+0x383/0x580 [ 457.867259] ? out_of_memory+0x974/0x1430 [ 457.871397] ? lock_downgrade+0x900/0x900 [ 457.876493] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 457.883669] ? __cpuset_node_allowed+0x19b/0x660 [ 457.888420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.893944] ? oom_evaluate_task+0x302/0x540 [ 457.898345] out_of_memory+0xa84/0x1430 [ 457.902312] ? oom_killer_disable+0x3a0/0x3a0 [ 457.906797] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 457.911718] ? __mutex_add_waiter+0x2a0/0x2a0 [ 457.916205] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 457.921212] ? find_next_bit+0x104/0x130 [ 457.925268] __alloc_pages_slowpath+0x2318/0x2d80 [ 457.930116] ? warn_alloc+0x120/0x120 [ 457.933909] ? __radix_tree_lookup+0x4c0/0x4c0 [ 457.938489] ? find_get_entry+0x2f2/0xc40 [ 457.942639] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 457.947559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.953086] ? should_fail+0x22d/0xd01 [ 457.956963] ? ___might_sleep+0x1ed/0x300 [ 457.961098] ? lock_release+0x970/0x970 [ 457.965063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.970159] ? debug_smp_processor_id+0x1c/0x20 [ 457.974826] ? __might_sleep+0x95/0x190 [ 457.978795] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 457.983633] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 457.988643] ? lock_downgrade+0x900/0x900 [ 457.992784] ? ___might_sleep+0x1ed/0x300 [ 457.996918] ? lock_release+0x970/0x970 [ 458.000883] ? arch_local_save_flags+0x40/0x40 [ 458.005455] ? finish_task_switch+0x1f5/0x900 [ 458.009945] ? __might_sleep+0x95/0x190 [ 458.013916] __alloc_pages_nodemask+0xa80/0xde0 [ 458.018581] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 458.023589] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 458.029376] ? mark_held_locks+0x130/0x130 [ 458.033597] ? kasan_check_write+0x14/0x20 [ 458.037823] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 458.042487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.048017] ? __do_page_cache_readahead+0x7ce/0x980 [ 458.053119] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 458.058646] alloc_pages_current+0x10c/0x210 [ 458.063046] ? lock_downgrade+0x900/0x900 [ 458.067186] __page_cache_alloc+0x38f/0x5b0 [ 458.071497] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 458.077291] ? ext4_filemap_fault+0x82/0xad [ 458.081615] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 458.086275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.091803] ? check_preemption_disabled+0x48/0x200 [ 458.098646] filemap_fault+0x1594/0x25f0 [ 458.103313] ? __lock_page_or_retry+0xa00/0xa00 [ 458.107975] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 458.113764] ? lock_downgrade+0x900/0x900 [ 458.117904] ? trace_hardirqs_on+0xbd/0x310 [ 458.122906] ? kasan_check_read+0x11/0x20 [ 458.127046] ? __free_object+0x173/0x340 [ 458.131099] ? filemap_map_pages+0xdea/0x1980 [ 458.135586] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 458.140683] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 458.145950] ? debug_object_free+0x325/0x690 [ 458.150348] ? find_get_pages_range_tag+0x1320/0x1320 [ 458.155542] ? do_raw_spin_lock+0xc1/0x200 [ 458.159768] ? kasan_check_read+0x11/0x20 [ 458.163907] ? debug_object_destroy+0x2b0/0x2b0 [ 458.168569] ? kasan_check_write+0x14/0x20 [ 458.172794] ? lock_acquire+0x1ed/0x520 [ 458.176763] ? ext4_filemap_fault+0x7a/0xad [ 458.181164] ? lock_release+0x970/0x970 [ 458.185129] ? arch_local_save_flags+0x40/0x40 [ 458.189704] ? futex_wait_setup+0x3e0/0x3e0 [ 458.194028] ? down_read+0xb0/0x1d0 [ 458.197647] ? ext4_filemap_fault+0x7a/0xad [ 458.201962] ? __down_interruptible+0x700/0x700 [ 458.206635] ext4_filemap_fault+0x82/0xad [ 458.210777] __do_fault+0x100/0x6b0 [ 458.214397] ? print_bad_pte+0x6c0/0x6c0 [ 458.218446] ? do_futex+0x249/0x26d0 [ 458.222587] ? pmd_val+0x88/0x100 [ 458.226032] ? add_mm_counter_fast+0xd0/0xd0 [ 458.230429] ? pmd_val+0x88/0x100 [ 458.233873] ? add_mm_counter_fast+0xd0/0xd0 [ 458.239314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.246678] __handle_mm_fault+0x3709/0x53e0 [ 458.252377] ? perf_trace_lock+0x14d/0x7a0 [ 458.256867] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 458.261700] ? ksys_dup3+0x680/0x680 [ 458.265413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.270940] ? should_fail+0x22d/0xd01 [ 458.274827] ? lock_acquire+0x1ed/0x520 [ 458.278794] ? handle_mm_fault+0x42a/0xc70 [ 458.283023] ? lock_downgrade+0x900/0x900 [ 458.287181] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 458.292969] ? lock_downgrade+0x900/0x900 [ 458.297111] ? __do_page_fault+0x67d/0xed0 [ 458.301336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 458.306788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.312323] ? check_preemption_disabled+0x48/0x200 [ 458.317334] handle_mm_fault+0x54f/0xc70 [ 458.321386] ? __handle_mm_fault+0x53e0/0x53e0 [ 458.325959] ? find_vma+0x34/0x190 [ 458.329497] __do_page_fault+0x67d/0xed0 [ 458.333555] ? mm_fault_error+0x380/0x380 [ 458.337691] ? trace_hardirqs_off+0xb8/0x310 [ 458.342096] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 458.347450] ? trace_hardirqs_on+0x310/0x310 [ 458.351852] do_page_fault+0xf2/0x7e0 [ 458.355647] ? vmalloc_sync_all+0x30/0x30 [ 458.359784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.365309] ? error_entry+0x70/0xd0 [ 458.369015] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.374022] ? trace_hardirqs_on_caller+0xc0/0x310 [ 458.378961] ? syscall_return_slowpath+0x5e0/0x5e0 [ 458.383884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.388723] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.393734] ? trace_hardirqs_off+0x310/0x310 [ 458.398251] ? prepare_exit_to_usermode+0x291/0x3b0 [ 458.403256] ? page_fault+0x8/0x30 [ 458.406787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.411619] ? page_fault+0x8/0x30 [ 458.415152] page_fault+0x1e/0x30 [ 458.418594] RIP: 0033:0x40f9c0 [ 458.421782] Code: Bad RIP value. [ 458.425135] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 458.430489] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 458.437749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 458.445004] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 458.452261] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 458.459517] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 458.468459] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 458.468480] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 458.477297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.483509] Call Trace: [ 458.492841] rcu: [ 458.495402] [ 458.495408] (detected by 0, t=10747 jiffies, g=48625, q=1818) [ 458.495422] rcu: All QSes seen, last rcu_preempt kthread activity 10695 (4294982996-4294972301), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 458.497550] dump_stack+0x1c4/0x2b4 [ 458.499667] syz-fuzzer R [ 458.505537] ? dump_stack_print_info.cold.2+0x52/0x52 [ 458.519989] running task [ 458.524649] warn_alloc.cold.119+0xb7/0x1bd [ 458.527727] 9232 5791 5777 0x80000008 [ 458.532897] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 458.536058] Call Trace: [ 458.540361] ? lock_downgrade+0x900/0x900 [ 458.544476] [ 458.549300] ? trace_hardirqs_off+0xb8/0x310 [ 458.551864] sched_show_task.cold.83+0x2b6/0x30a [ 458.555986] ? trace_hardirqs_off+0xb8/0x310 [ 458.558117] ? can_nice.part.74+0x20/0x20 [ 458.562499] __alloc_pages_slowpath+0x2667/0x2d80 [ 458.567233] ? vprintk_default+0x28/0x30 [ 458.571632] ? warn_alloc+0x120/0x120 [ 458.575744] ? vprintk_func+0x85/0x181 [ 458.580571] ? trace_hardirqs_on+0x310/0x310 [ 458.584602] ? vprintk_func+0x85/0x181 [ 458.584616] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 458.588393] ? warn_alloc+0x120/0x120 [ 458.592255] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 458.596639] ? warn_alloc+0x120/0x120 [ 458.600508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.606025] ? ktime_get+0x2e1/0x440 [ 458.609801] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 458.614536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.618314] ? print_cpu_stall+0x1c0/0x1c0 [ 458.623823] ? check_preemption_disabled+0x48/0x200 [ 458.627514] ? is_bpf_text_address+0xac/0x170 [ 458.632773] ? kasan_check_read+0x11/0x20 [ 458.638284] ? lock_downgrade+0x900/0x900 [ 458.642508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.647499] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 458.651971] ? should_fail+0x22d/0xd01 [ 458.656093] ? rcu_test_sync_prims+0x30/0x30 [ 458.660217] ? rcu_bh_qs+0xc0/0xc0 [ 458.665728] ? mark_held_locks+0x130/0x130 [ 458.671503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.675369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.679754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.683271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.687483] ? should_fail+0x22d/0xd01 [ 458.692561] ? check_preemption_disabled+0x48/0x200 [ 458.698076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.703588] rcu_check_callbacks+0xafc/0x1990 [ 458.709098] ? should_fail+0x22d/0xd01 [ 458.712975] ? rcu_cpu_stall_reset+0x220/0x220 [ 458.717968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.723247] ? lock_release+0x970/0x970 [ 458.728248] ? mark_held_locks+0x130/0x130 [ 458.732121] ? mark_held_locks+0x130/0x130 [ 458.736676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.741760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.745713] ? mark_held_locks+0x130/0x130 [ 458.749926] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 458.754136] ? rcu_irq_exit+0xce/0x100 [ 458.759645] ? kvm_set_tsc_khz+0x540/0x540 [ 458.765157] ? irq_exit+0xbd/0x1c0 [ 458.769368] ? warn_alloc.cold.119+0xd1/0x1bd [ 458.774398] ? mark_held_locks+0x130/0x130 [ 458.778264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.782475] ? smp_call_function_single_interrupt+0x650/0x650 [ 458.786339] ? notifier_call_chain+0x2d4/0x380 [ 458.792196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.798058] ? timekeeping_advance+0x3cc/0xc00 [ 458.805305] ? ret_from_intr+0xb/0x1e [ 458.811166] ? lock_downgrade+0x900/0x900 [ 458.815728] ? retint_kernel+0x2d/0x2d [ 458.821240] ? lock_downgrade+0x900/0x900 [ 458.825800] ? trace_hardirqs_on_caller+0xc0/0x310 [ 458.829576] ? trace_hardirqs_off+0xb8/0x310 [ 458.833706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 458.837572] ? trace_hardirqs_off+0xb8/0x310 [ 458.841702] ? trace_hardirqs_off+0x310/0x310 [ 458.846621] ? memcpy+0x45/0x50 [ 458.851007] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 458.855739] ? trace_hardirqs_on+0x310/0x310 [ 458.860127] __alloc_pages_nodemask+0xa80/0xde0 [ 458.865393] ? check_preemption_disabled+0x48/0x200 [ 458.869605] ? should_fail+0x22d/0xd01 [ 458.876080] ? raise_softirq+0x199/0x420 [ 458.880465] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 458.885372] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 458.892195] ? ____cache_alloc_node+0x1c7/0x1e0 [ 458.897442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.902003] ? lock_downgrade+0x900/0x900 [ 458.906998] ? check_preemption_disabled+0x48/0x200 [ 458.911646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.916292] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 458.921813] cache_grow_begin+0x91/0x8c0 [ 458.925943] ? hrtimer_run_queues+0x9a/0x400 [ 458.930940] ? do_raw_spin_unlock+0xa7/0x2f0 [ 458.936450] ? run_local_timers+0x19b/0x230 [ 458.941980] fallback_alloc+0x203/0x2e0 [ 458.946017] ? timer_clear_idle+0x90/0x90 [ 458.950415] ____cache_alloc_node+0x1c7/0x1e0 [ 458.954802] ? debug_smp_processor_id+0x1c/0x20 [ 458.959099] kmem_cache_alloc_node+0xe3/0x730 [ 458.963136] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 458.967262] ? ipv6_get_ifaddr+0x42e/0x620 [ 458.971733] ? account_process_tick+0x282/0x350 [ 458.976378] __alloc_skb+0x119/0x770 [ 458.980848] update_process_times+0x2d/0x70 [ 458.986793] ? skb_scrub_packet+0x490/0x490 [ 458.991093] tick_sched_handle+0x9f/0x180 [ 458.995735] ? lock_downgrade+0x900/0x900 [ 458.999432] tick_sched_timer+0x45/0x130 [ 459.004336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.008633] __hrtimer_run_queues+0x41c/0x10d0 [ 459.012759] ? refcount_sub_and_test_checked+0x203/0x310 [ 459.016884] ? tick_sched_do_timer+0x1a0/0x1a0 [ 459.020925] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 459.026437] ? hrtimer_start_range_ns+0xe00/0xe00 [ 459.030997] ? addrconf_rs_timer+0x690/0x690 [ 459.036428] ? pvclock_read_flags+0x160/0x160 [ 459.041005] ndisc_alloc_skb+0x144/0x340 [ 459.046429] ? trace_hardirqs_on+0x310/0x310 [ 459.051249] ndisc_send_rs+0x331/0x6e0 [ 459.055633] ? kvm_clock_read+0x18/0x30 [ 459.060116] addrconf_rs_timer+0x314/0x690 [ 459.064153] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 459.068541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.072493] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 459.076447] call_timer_fn+0x272/0x920 [ 459.080660] ? do_timer+0x50/0x50 [ 459.085668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.089879] ? trace_hardirqs_on+0x310/0x310 [ 459.095219] ? process_timeout+0x40/0x40 [ 459.099083] ? do_raw_spin_lock+0xc1/0x200 [ 459.102511] ? trace_hardirqs_off+0xb8/0x310 [ 459.106721] hrtimer_interrupt+0x313/0x780 [ 459.111103] ? kasan_check_read+0x11/0x20 [ 459.115141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.119351] ? do_raw_spin_unlock+0xa7/0x2f0 [ 459.123743] smp_apic_timer_interrupt+0x1a1/0x760 [ 459.127946] ? trace_hardirqs_on+0x310/0x310 [ 459.132083] ? smp_call_function_single_interrupt+0x650/0x650 [ 459.137595] ? __run_timers+0x7da/0xc70 [ 459.141989] ? interrupt_entry+0xb5/0xf0 [ 459.146808] ? lock_downgrade+0x900/0x900 [ 459.151193] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.157048] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.160996] ? ____cache_alloc_node+0x1c7/0x1e0 [ 459.161012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.165046] ? trace_hardirqs_on+0xbd/0x310 [ 459.169170] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.174158] ? kasan_check_read+0x11/0x20 [ 459.179246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.183887] ? __run_timers+0x7da/0xc70 [ 459.188708] apic_timer_interrupt+0xf/0x20 [ 459.193018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 459.198019] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 459.202141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.206957] Code: 40 7e 0f 85 32 ff ff ff e8 45 b0 3e ff e9 28 ff ff ff e8 ac 13 c3 ff 48 83 3d fc 24 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 22 a5 [ 459.211025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.215233] RSP: 0000:ffff8801dae07450 EFLAGS: 00000286 [ 459.220667] __run_timers+0x7e5/0xc70 [ 459.226001] ORIG_RAX: ffffffffffffff13 [ 459.231522] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 459.250571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca [ 459.256347] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 459.262202] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 459.265982] ? timerqueue_add+0x207/0x2b0 [ 459.269926] RBP: ffff8801dae074c0 R08: ffff8801d7e0a0c0 R09: fffffbfff1281204 [ 459.275268] ? enqueue_hrtimer+0x1a5/0x560 [ 459.282517] R10: ffff8801dae06098 R11: ffffffff89409023 R12: ffff8801d9a04040 [ 459.287510] ? lock_release+0x970/0x970 [ 459.294753] R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000286 [ 459.298884] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 459.306136] ? apic_timer_interrupt+0xa/0x20 [ 459.310344] ? kasan_check_write+0x14/0x20 [ 459.317594] ? trace_hardirqs_on+0x9a/0x310 [ 459.321547] ? pvclock_read_flags+0x160/0x160 [ 459.328795] ? trace_hardirqs_on+0xb4/0x310 [ 459.333975] ? lock_downgrade+0x900/0x900 [ 459.338363] ? ipv6_get_ifaddr+0x42e/0x620 [ 459.342577] ? trace_hardirqs_on+0xbd/0x310 [ 459.346878] __alloc_skb+0x119/0x770 [ 459.351351] ? kvm_sched_clock_read+0x9/0x20 [ 459.355655] ? skb_scrub_packet+0x490/0x490 [ 459.359781] ? irq_exit+0x17f/0x1c0 [ 459.363993] ? lock_downgrade+0x900/0x900 [ 459.368291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.371980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.376368] ? check_preemption_disabled+0x48/0x200 [ 459.380662] ? refcount_sub_and_test_checked+0x203/0x310 [ 459.384265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.388927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 459.396176] run_timer_softirq+0x52/0xb0 [ 459.403448] ? addrconf_rs_timer+0x690/0x690 [ 459.409570] ? __this_cpu_preempt_check+0x1c/0x1f [ 459.415000] ndisc_alloc_skb+0x144/0x340 [ 459.420510] __do_softirq+0x30b/0xad8 [ 459.425939] ndisc_send_rs+0x331/0x6e0 [ 459.429976] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 459.434363] addrconf_rs_timer+0x314/0x690 [ 459.439186] ? pvclock_read_flags+0x160/0x160 [ 459.443225] ? neigh_invalidate+0x550/0x550 [ 459.446999] ? lapic_next_event+0x5a/0x90 [ 459.450864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.455945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.460159] call_timer_fn+0x272/0x920 [ 459.464634] ? clockevents_program_event+0x140/0x370 [ 459.468937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.473061] ? kvm_clock_read+0x18/0x30 [ 459.477275] ? process_timeout+0x40/0x40 [ 459.482788] ? kvm_sched_clock_read+0x9/0x20 [ 459.486651] ? trace_hardirqs_off+0xb8/0x310 [ 459.491729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.496036] ? kasan_check_read+0x11/0x20 [ 459.499988] ? check_preemption_disabled+0x48/0x200 [ 459.504112] ? do_raw_spin_unlock+0xa7/0x2f0 [ 459.508506] irq_exit+0x17f/0x1c0 [ 459.512894] ? trace_hardirqs_on+0x310/0x310 [ 459.518410] smp_apic_timer_interrupt+0x1cb/0x760 [ 459.522533] ? __run_timers+0x7da/0xc70 [ 459.527526] ? smp_reschedule_interrupt+0x109/0x650 [ 459.531911] ? lock_downgrade+0x900/0x900 [ 459.535374] ? smp_call_function_single_interrupt+0x650/0x650 [ 459.539753] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.544571] ? interrupt_entry+0xb5/0xf0 [ 459.548520] ? trace_hardirqs_on+0xbd/0x310 [ 459.553509] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.557637] ? kasan_check_read+0x11/0x20 [ 459.563500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.568576] ? __run_timers+0x7da/0xc70 [ 459.572618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.576932] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 459.581925] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.586048] ? kasan_check_write+0x14/0x20 [ 459.591042] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.595600] ? do_raw_spin_lock+0xc1/0x200 [ 459.601816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.607803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.612802] ? check_preemption_disabled+0x48/0x200 [ 459.617010] __run_timers+0x7e5/0xc70 [ 459.622003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.626220] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 459.631732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.635944] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 459.640943] apic_timer_interrupt+0xf/0x20 [ 459.644723] ? timerqueue_add+0x207/0x2b0 [ 459.650237] [ 459.655604] ? enqueue_hrtimer+0x1a5/0x560 [ 459.660427] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 459.667243] ? lock_release+0x970/0x970 [ 459.672583] 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 [ 459.678448] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 459.681004] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 [ 459.686521] ? kasan_check_write+0x14/0x20 [ 459.693157] ORIG_RAX: ffffffffffffff13 [ 459.698069] ? pvclock_read_flags+0x160/0x160 [ 459.716956] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 459.722124] ? lock_downgrade+0x900/0x900 [ 459.727458] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 459.731675] ? trace_hardirqs_on+0xbd/0x310 [ 459.735621] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 459.740098] ? kvm_sched_clock_read+0x9/0x20 [ 459.747341] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 459.751472] ? irq_exit+0x17f/0x1c0 [ 459.758710] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 459.758728] ? trace_hardirqs_on+0xb4/0x310 [ 459.763026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.770279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.774933] ? check_preemption_disabled+0x48/0x200 [ 459.782185] skb_clone+0x1bb/0x500 [ 459.785790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.793037] ? skb_split+0x11e0/0x11e0 [ 459.797337] run_timer_softirq+0x52/0xb0 [ 459.802860] ? check_preemption_disabled+0x48/0x200 [ 459.808399] ? __this_cpu_preempt_check+0x1c/0x1f [ 459.813394] ? __this_cpu_preempt_check+0x1c/0x1f [ 459.817067] __do_softirq+0x30b/0xad8 [ 459.822580] ? __bpf_redirect+0x54b/0xb20 [ 459.826454] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 459.830490] ? __switch_to_asm+0x34/0x70 [ 459.835483] ? pvclock_read_flags+0x160/0x160 [ 459.840319] bpf_clone_redirect+0xb9/0x490 [ 459.845138] ? lapic_next_event+0x5a/0x90 [ 459.848919] bpf_prog_466abe619656067b+0x436/0x1000 [ 459.853041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.858121] ? __sched_text_start+0x8/0x8 [ 459.862159] ? clockevents_program_event+0x140/0x370 [ 459.866632] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 459.870848] ? kvm_clock_read+0x18/0x30 [ 459.874966] ? retint_kernel+0x2d/0x2d [ 459.879962] ? kvm_sched_clock_read+0x9/0x20 [ 459.885479] ? lock_acquire+0x1ed/0x520 [ 459.889604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.894696] ? bpf_test_run+0x32e/0x5a0 [ 459.899434] ? check_preemption_disabled+0x48/0x200 [ 459.903386] ? lock_downgrade+0x900/0x900 [ 459.907266] irq_exit+0x17f/0x1c0 [ 459.911646] ? lock_release+0x970/0x970 [ 459.915605] smp_apic_timer_interrupt+0x1cb/0x760 [ 459.921137] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 459.925083] ? smp_reschedule_interrupt+0x109/0x650 [ 459.930075] ? preempt_schedule_common+0x1f/0xd0 [ 459.934202] ? smp_call_function_single_interrupt+0x650/0x650 [ 459.937632] ? preempt_schedule+0x4d/0x60 [ 459.941585] ? interrupt_entry+0xb5/0xf0 [ 459.946401] ? ___preempt_schedule+0x16/0x18 [ 459.952175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.957165] ? bpf_test_run+0x1c0/0x5a0 [ 459.961897] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.967756] ? netlink_diag_dump+0x2a0/0x2a0 [ 459.971908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.975942] ? bpf_prog_test_run_skb+0x295/0xb40 [ 459.980329] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.985331] ? bpf_prog_test_run_skb+0x634/0xb40 [ 459.989290] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.994281] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 459.998669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.003490] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 460.008222] ? check_preemption_disabled+0x48/0x200 [ 460.013211] ? fput+0x130/0x1a0 [ 460.017942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.022939] ? __bpf_prog_get+0x9b/0x290 [ 460.027759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.033273] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 460.038788] apic_timer_interrupt+0xf/0x20 [ 460.043780] ? bpf_prog_test_run+0x130/0x1a0 [ 460.047029] [ 460.052547] ? __x64_sys_bpf+0x3d8/0x510 [ 460.056590] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 460.061421] ? bpf_prog_get+0x20/0x20 [ 460.066242] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 460.070470] ? do_syscall_64+0x1b9/0x820 [ 460.074847] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 [ 460.077068] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 460.081095] ORIG_RAX: ffffffffffffff13 [ 460.086266] ? syscall_return_slowpath+0x5e0/0x5e0 [ 460.090036] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 460.108922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.112953] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 460.118295] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.123630] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 460.127585] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 460.132487] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 460.139740] ? prepare_exit_to_usermode+0x291/0x3b0 [ 460.144552] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 460.151811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.156810] ? trace_hardirqs_on+0x9a/0x310 [ 460.164060] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 460.169055] ? trace_hardirqs_on+0xb4/0x310 [ 460.176315] warn_alloc_show_mem: 1 callbacks suppressed [ 460.176319] Mem-Info: [ 460.181306] retint_kernel+0x1b/0x2d [ 460.188581] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 460.188581] active_file:98 inactive_file:120 isolated_file:0 [ 460.188581] unevictable:0 dirty:0 writeback:0 unstable:0 [ 460.188581] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 460.188581] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 460.188581] free:13602 free_pcp:142 free_cma:0 [ 460.193400] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 460.197705] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 460.203140] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 460.207541] Node 0 [ 460.212891] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 [ 460.215297] 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 [ 460.218982] ORIG_RAX: ffffffffffffff02 [ 460.251917] lowmem_reserve[]: [ 460.257175] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 460.284816] 0 2819 [ 460.303705] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 460.305913] 6323 [ 460.311257] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 460.336728] 6323 [ 460.340683] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 460.351018] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 460.353230] Node 0 [ 460.360491] ? trace_hardirqs_on+0x9a/0x310 [ 460.362549] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 460.369788] ? arch_local_irq_restore+0x45/0x52 [ 460.371834] lowmem_reserve[]: [ 460.379090] dump_stack+0x26a/0x2b4 [ 460.386339] 0 [ 460.388569] ? dump_stack_print_info.cold.2+0x52/0x52 [ 460.392861] 0 [ 460.419390] ? mark_held_locks+0x130/0x130 [ 460.424028] 3503 [ 460.427115] ? mark_held_locks+0x130/0x130 [ 460.430709] 3503 [ 460.432497] dump_header+0x27b/0xf72 [ 460.437658] Node 0 [ 460.439444] ? rcu_read_unlock+0x16/0x60 [ 460.443670] Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 460.445697] ? pagefault_out_of_memory+0x197/0x197 [ 460.449899] lowmem_reserve[]: [ 460.451949] ? mark_held_locks+0x130/0x130 [ 460.455631] 0 [ 460.457850] ? percpu_ref_put_many+0x13e/0x260 [ 460.461880] 0 [ 460.490312] ? mem_cgroup_charge_statistics+0x780/0x780 [ 460.495209] 0 [ 460.498301] ? mem_cgroup_iter+0x1f7/0x1160 [ 460.502500] 0 [ 460.504300] ? mark_held_locks+0x130/0x130 [ 460.510638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.515969] Node 0 [ 460.517756] ? task_will_free_mem+0x239/0xb30 [ 460.522045] DMA: [ 460.523842] ? ___ratelimit+0x36f/0x655 [ 460.528039] 1*4kB [ 460.533560] ? lock_downgrade+0x900/0x900 [ 460.535771] (U) [ 460.540272] ? trace_hardirqs_on+0xbd/0x310 [ 460.542311] 0*8kB [ 460.546268] ? kasan_check_read+0x11/0x20 [ 460.548395] 0*16kB [ 460.552530] ? ___ratelimit+0x36f/0x655 [ 460.554477] 1*32kB [ 460.558785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 460.560899] (U) [ 460.565030] ? trace_hardirqs_on+0x310/0x310 [ 460.567238] 2*64kB [ 460.571192] ? lock_downgrade+0x900/0x900 [ 460.573398] (U) [ 460.578835] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 460.580776] 1*128kB (U) [ 460.585174] ? ___ratelimit+0xaa/0x655 [ 460.587381] 1*256kB [ 460.591512] ? idr_get_free+0xec0/0xec0 [ 460.593464] (U) [ 460.598547] ? kasan_check_write+0x14/0x20 [ 460.601193] 0*512kB [ 460.605261] ? do_raw_spin_lock+0xc1/0x200 [ 460.607560] 1*1024kB [ 460.611523] oom_kill_process.cold.27+0x10/0x903 [ 460.613466] (U) [ 460.617686] ? lock_downgrade+0x900/0x900 [ 460.619980] 1*2048kB [ 460.624198] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 460.626592] (M) [ 460.631330] ? oom_evaluate_task+0x540/0x540 [ 460.633280] 3*4096kB [ 460.637411] ? oom_unkillable_task+0x383/0x580 [ 460.639788] (M) [ 460.645569] ? out_of_memory+0x974/0x1430 [ 460.647524] = 15908kB [ 460.651912] ? lock_downgrade+0x900/0x900 [ 460.654294] Node 0 [ 460.658861] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 460.660804] DMA32: [ 460.664937] ? __cpuset_node_allowed+0x19b/0x660 [ 460.667317] 5*4kB [ 460.671450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.673653] (UM) [ 460.679431] ? oom_evaluate_task+0x302/0x540 [ 460.681637] 0*8kB [ 460.686372] out_of_memory+0xa84/0x1430 [ 460.688494] 5*16kB [ 460.694020] ? oom_killer_disable+0x3a0/0x3a0 [ 460.696050] (UMH) [ 460.700445] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 460.702567] 5*32kB [ 460.706529] ? __mutex_add_waiter+0x2a0/0x2a0 [ 460.708733] (UMH) [ 460.713215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 460.715339] 7*64kB [ 460.720252] ? find_next_bit+0x104/0x130 [ 460.722464] (UM) [ 460.726943] __alloc_pages_slowpath+0x2318/0x2d80 [ 460.729062] 4*128kB [ 460.734075] ? warn_alloc+0x120/0x120 [ 460.736276] (UM) [ 460.740323] ? __radix_tree_lookup+0x4c0/0x4c0 [ 460.742350] 5*256kB (UMH) [ 460.747190] ? find_get_entry+0x2f2/0xc40 [ 460.749482] 4*512kB [ 460.753275] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 460.755307] (UM) [ 460.759871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.762685] 4*1024kB [ 460.766816] ? should_fail+0x22d/0xd01 [ 460.769106] (UMH) [ 460.774021] ? ___might_sleep+0x1ed/0x300 [ 460.776052] 4*2048kB [ 460.781569] ? lock_release+0x970/0x970 [ 460.783948] (UM) [ 460.787822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.789940] 2*4096kB [ 460.794071] ? debug_smp_processor_id+0x1c/0x20 [ 460.796448] (M) [ 460.800411] ? __might_sleep+0x95/0x190 [ 460.802443] = 25028kB [ 460.807535] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 460.809916] Node 0 [ 460.814571] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 460.816519] Normal: [ 460.820477] ? lock_downgrade+0x900/0x900 [ 460.822856] 809*4kB [ 460.827684] ? ___might_sleep+0x1ed/0x300 [ 460.829886] (UMEH) [ 460.834882] ? lock_release+0x970/0x970 [ 460.837176] 372*8kB [ 460.841309] ? arch_local_save_flags+0x40/0x40 [ 460.843604] (UMEH) [ 460.847734] ? finish_task_switch+0x1f5/0x900 [ 460.849943] 191*16kB [ 460.853900] ? __might_sleep+0x95/0x190 [ 460.856190] (UMEH) [ 460.860761] __alloc_pages_nodemask+0xa80/0xde0 [ 460.862966] 81*32kB [ 460.867444] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 460.869824] (UME) [ 460.873786] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 460.875991] 21*64kB [ 460.880641] ? mark_held_locks+0x130/0x130 [ 460.882932] (UMH) [ 460.887928] ? kasan_check_write+0x14/0x20 [ 460.890065] 3*128kB [ 460.895844] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 460.898134] (UH) [ 460.902354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.904470] 0*256kB [ 460.908708] ? __do_page_cache_readahead+0x7ce/0x980 [ 460.910999] 0*512kB [ 460.915657] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 460.917688] 0*1024kB [ 460.923204] alloc_pages_current+0x10c/0x210 [ 460.925504] 0*2048kB [ 460.930590] ? lock_downgrade+0x900/0x900 [ 460.932884] 0*4096kB [ 460.938406] __page_cache_alloc+0x38f/0x5b0 [ 460.940785] = 13588kB [ 460.945176] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 460.947562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 460.951703] ? ext4_filemap_fault+0x82/0xad [ 460.954085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 460.954092] 348 total pagecache pages [ 460.958398] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 460.960775] 0 pages in swap cache [ 460.966558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.975361] Swap cache stats: add 0, delete 0, find 0/0 [ 460.979667] ? check_preemption_disabled+0x48/0x200 [ 460.988211] Free swap = 0kB [ 460.991994] filemap_fault+0x1594/0x25f0 [ 460.996629] Total swap = 0kB [ 461.000071] ? __lock_page_or_retry+0xa00/0xa00 [ 461.005573] 1965979 pages RAM [ 461.010922] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 461.016006] 0 pages HighMem/MovableOnly [ 461.019011] ? lock_downgrade+0x900/0x900 [ 461.023039] 342307 pages reserved [ 461.026043] ? trace_hardirqs_on+0xbd/0x310 [ 461.030677] 0 pages cma reserved [ 461.033768] ? kasan_check_read+0x11/0x20 [ 461.039578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 461.043495] ? __free_object+0x173/0x340 [ 461.047653] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 461.051055] ? filemap_map_pages+0xdea/0x1980 [ 461.055344] syz-executor3 cpuset= [ 461.058694] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.062810] syz3 [ 461.069373] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 461.073402] mems_allowed=0 [ 461.083868] ? debug_object_free+0x325/0x690 [ 461.088340] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 461.091771] ? find_get_pages_range_tag+0x1320/0x1320 [ 461.096844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.098804] ? do_raw_spin_lock+0xc1/0x200 [ 461.104045] Call Trace: [ 461.106958] ? kasan_check_read+0x11/0x20 [ 461.111334] [ 461.118590] ? debug_object_destroy+0x2b0/0x2b0 [ 461.123758] dump_stack+0x1c4/0x2b4 [ 461.133199] ? kasan_check_write+0x14/0x20 [ 461.137419] ? dump_stack_print_info.cold.2+0x52/0x52 [ 461.139980] ? lock_acquire+0x1ed/0x520 [ 461.144112] warn_alloc.cold.119+0xb7/0x1bd [ 461.146238] ? ext4_filemap_fault+0x7a/0xad [ 461.150883] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 461.154494] ? lock_release+0x970/0x970 [ 461.158720] ? lock_downgrade+0x900/0x900 [ 461.163891] ? arch_local_save_flags+0x40/0x40 [ 461.167843] ? trace_hardirqs_off+0xb8/0x310 [ 461.172143] ? futex_wait_setup+0x3e0/0x3e0 [ 461.176439] ? trace_hardirqs_off+0xb8/0x310 [ 461.181263] ? down_read+0xb0/0x1d0 [ 461.185209] __alloc_pages_slowpath+0x2667/0x2d80 [ 461.189327] ? ext4_filemap_fault+0x7a/0xad [ 461.189343] ? __down_interruptible+0x700/0x700 [ 461.193912] ? warn_alloc+0x120/0x120 [ 461.198292] ext4_filemap_fault+0x82/0xad [ 461.202587] ? warn_alloc+0x120/0x120 [ 461.206975] __do_fault+0x100/0x6b0 [ 461.210576] ? warn_alloc+0x120/0x120 [ 461.215394] ? print_bad_pte+0x6c0/0x6c0 [ 461.219692] ? mark_held_locks+0x130/0x130 [ 461.224338] ? do_futex+0x249/0x26d0 [ 461.228122] ? trace_hardirqs_on+0x310/0x310 [ 461.232249] ? pmd_val+0x88/0x100 [ 461.236027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.239629] ? add_mm_counter_fast+0xd0/0xd0 [ 461.243408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.247443] ? pmd_val+0x88/0x100 [ 461.251659] ? should_fail+0x22d/0xd01 [ 461.255347] ? add_mm_counter_fast+0xd0/0xd0 [ 461.259733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.263160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.268675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.273059] __handle_mm_fault+0x3709/0x53e0 [ 461.278581] ? should_fail+0x22d/0xd01 [ 461.282120] ? perf_trace_lock+0x14d/0x7a0 [ 461.285984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.290370] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 461.295449] ? should_fail+0x22d/0xd01 [ 461.300971] ? ksys_dup3+0x680/0x680 [ 461.306489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.310871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.314734] ? mark_held_locks+0x130/0x130 [ 461.318946] ? should_fail+0x22d/0xd01 [ 461.324027] ? mark_held_locks+0x130/0x130 [ 461.328853] ? lock_acquire+0x1ed/0x520 [ 461.332712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.336408] ? handle_mm_fault+0x42a/0xc70 [ 461.341485] ? trace_hardirqs_off+0xb8/0x310 [ 461.346997] ? lock_downgrade+0x900/0x900 [ 461.351213] ? kasan_check_read+0x11/0x20 [ 461.355075] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 461.359286] ? do_raw_spin_unlock+0xa7/0x2f0 [ 461.363236] ? lock_downgrade+0x900/0x900 [ 461.368751] ? trace_hardirqs_on+0x310/0x310 [ 461.372961] ? __do_page_fault+0x67d/0xed0 [ 461.377344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.381479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 461.385602] ? wq_watchdog_touch+0x9c/0xfe [ 461.391374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.395757] ? io_serial_in+0x11/0x90 [ 461.399880] ? check_preemption_disabled+0x48/0x200 [ 461.404261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.408477] handle_mm_fault+0x54f/0xc70 [ 461.413988] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.419415] ? __handle_mm_fault+0x53e0/0x53e0 [ 461.423629] __alloc_pages_nodemask+0xa80/0xde0 [ 461.429140] ? find_vma+0x34/0x190 [ 461.432916] ? should_fail+0x22d/0xd01 [ 461.437906] __do_page_fault+0x67d/0xed0 [ 461.443423] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 461.447476] ? mm_fault_error+0x380/0x380 [ 461.452566] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.457116] ? trace_hardirqs_off+0xb8/0x310 [ 461.461759] ? lock_downgrade+0x900/0x900 [ 461.465274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 461.469138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.473172] ? trace_hardirqs_on+0x310/0x310 [ 461.478180] cache_grow_begin+0x91/0x8c0 [ 461.482307] do_page_fault+0xf2/0x7e0 [ 461.486967] ? do_raw_spin_unlock+0xa7/0x2f0 [ 461.491350] ? vmalloc_sync_all+0x30/0x30 [ 461.495474] fallback_alloc+0x203/0x2e0 [ 461.500813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.506325] ____cache_alloc_node+0x1c7/0x1e0 [ 461.510717] ? error_entry+0x70/0xd0 [ 461.514755] kmem_cache_alloc_node+0xe3/0x730 [ 461.518533] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.522922] ? ipv6_get_ifaddr+0x42e/0x620 [ 461.527044] ? trace_hardirqs_on_caller+0xc0/0x310 [ 461.530997] __alloc_skb+0x119/0x770 [ 461.536512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 461.540993] ? skb_scrub_packet+0x490/0x490 [ 461.544682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.549151] ? lock_downgrade+0x900/0x900 [ 461.554142] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.558351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.563264] ? trace_hardirqs_off+0x310/0x310 [ 461.566953] ? refcount_sub_and_test_checked+0x203/0x310 [ 461.571857] ? prepare_exit_to_usermode+0x291/0x3b0 [ 461.576155] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 461.580974] ? page_fault+0x8/0x30 [ 461.585099] ? addrconf_rs_timer+0x690/0x690 [ 461.590089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.595705] ndisc_alloc_skb+0x144/0x340 [ 461.600172] ? page_fault+0x8/0x30 [ 461.606092] ndisc_send_rs+0x331/0x6e0 [ 461.611085] page_fault+0x1e/0x30 [ 461.616513] addrconf_rs_timer+0x314/0x690 [ 461.620028] RIP: 0033:0x40f9c0 [ 461.624420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 461.629243] Code: Bad RIP value. [ 461.633308] call_timer_fn+0x272/0x920 [ 461.636816] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 461.640684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 461.648326] ? process_timeout+0x40/0x40 [ 461.651492] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 461.655709] ? trace_hardirqs_off+0xb8/0x310 [ 461.659050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 461.662917] ? kasan_check_read+0x11/0x20 [ 461.668251] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 461.672465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 461.676499] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 461.683754] ? trace_hardirqs_on+0x310/0x310 [ 461.688132] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 461.695384] ? __run_timers+0x7da/0xc70 [ 461.699522] rcu: rcu_preempt kthread starved for 10695 jiffies! g48625 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 461.706763] ? lock_downgrade+0x900/0x900 [ 461.711138] rcu: RCU grace-period kthread stack dump: [ 461.718392] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.722768] rcu_preempt R [ 461.730021] ? trace_hardirqs_on+0xbd/0x310 [ 461.733961] running task [ 461.744433] ? kasan_check_read+0x11/0x20 [ 461.748561] 22784 10 2 0x80000000 [ 461.753731] ? __run_timers+0x7da/0xc70 [ 461.758804] Call Trace: [ 461.761893] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 461.766191] __schedule+0x86c/0x1ed0 [ 461.769358] ? kasan_check_write+0x14/0x20 [ 461.773768] ? __sched_text_start+0x8/0x8 [ 461.777892] ? do_raw_spin_lock+0xc1/0x200 [ 461.781842] ? __mod_timer+0x6f6/0x1870 [ 461.784416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 461.789842] ? add_timer_on+0x9f0/0x9f0 [ 461.793533] __run_timers+0x7e5/0xc70 [ 461.797744] ? lock_downgrade+0x900/0x900 [ 461.801875] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 461.806084] ? trace_hardirqs_on+0xbd/0x310 [ 461.810035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 461.814245] ? kasan_check_read+0x11/0x20 [ 461.818791] ? timerqueue_add+0x207/0x2b0 [ 461.822568] ? prepare_to_swait_event+0x25a/0x800 [ 461.826693] ? enqueue_hrtimer+0x1a5/0x560 [ 461.832033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 461.836334] ? lock_release+0x970/0x970 [ 461.841327] schedule+0xfe/0x460 [ 461.845450] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 461.849575] ? __schedule+0x1ed0/0x1ed0 [ 461.854394] ? kasan_check_write+0x14/0x20 [ 461.858613] ? prepare_to_swait_event+0x25a/0x800 [ 461.864040] ? pvclock_read_flags+0x160/0x160 [ 461.867989] ? __init_swait_queue_head+0x150/0x150 [ 461.871330] ? lock_downgrade+0x900/0x900 [ 461.876495] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.880447] ? trace_hardirqs_on+0xbd/0x310 [ 461.884684] ? __lockdep_init_map+0x105/0x590 [ 461.889524] ? kvm_sched_clock_read+0x9/0x20 [ 461.893994] ? lockdep_init_map+0x9/0x10 [ 461.898899] ? irq_exit+0x17f/0x1c0 [ 461.903023] schedule_timeout+0x140/0x260 [ 461.908107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.912408] ? usleep_range+0x1a0/0x1a0 [ 461.916880] ? check_preemption_disabled+0x48/0x200 [ 461.921262] ? __next_timer_interrupt+0x1a0/0x1a0 [ 461.925298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.928899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.933026] run_timer_softirq+0x52/0xb0 [ 461.938541] rcu_gp_kthread+0x9d9/0x2310 [ 461.942490] ? __this_cpu_preempt_check+0x1c/0x1f [ 461.947489] ? rcu_gp_init+0x1830/0x1830 [ 461.952300] __do_softirq+0x30b/0xad8 [ 461.957814] ? update_curr+0x344/0xbe0 [ 461.963329] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 461.967364] ? graph_lock+0x170/0x170 [ 461.971408] ? pvclock_read_flags+0x160/0x160 [ 461.976227] ? __account_cfs_rq_runtime+0x790/0x790 [ 461.980262] ? lapic_next_event+0x5a/0x90 [ 461.984040] ? __lock_acquire+0x7ec/0x4ec0 [ 461.987907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.992982] ? graph_lock+0x170/0x170 [ 461.996758] ? clockevents_program_event+0x140/0x370 [ 462.001228] ? mark_held_locks+0x130/0x130 [ 462.006221] ? kvm_clock_read+0x18/0x30 [ 462.010342] ? __lock_is_held+0xb5/0x140 [ 462.014563] ? kvm_sched_clock_read+0x9/0x20 [ 462.020069] ? __account_cfs_rq_runtime+0x790/0x790 [ 462.020088] ? set_next_entity+0x2f0/0xaf0 [ 462.023860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.028935] ? mark_held_locks+0x130/0x130 [ 462.033153] ? check_preemption_disabled+0x48/0x200 [ 462.037111] ? rcu_read_lock_sched_held+0x108/0x120 [ 462.041155] irq_exit+0x17f/0x1c0 [ 462.045547] ? update_load_avg+0x2470/0x2470 [ 462.050543] smp_apic_timer_interrupt+0x1cb/0x760 [ 462.054767] ? __enqueue_entity+0x10d/0x1f0 [ 462.060283] ? smp_reschedule_interrupt+0x109/0x650 [ 462.064493] ? graph_lock+0x170/0x170 [ 462.069485] ? smp_call_function_single_interrupt+0x650/0x650 [ 462.074477] ? match_held_lock+0x291/0x8d0 [ 462.077907] ? interrupt_entry+0xb5/0xf0 [ 462.082290] ? graph_lock+0x170/0x170 [ 462.087110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.091417] ? match_held_lock+0x290/0x8d0 [ 462.096412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.100190] ? match_held_lock+0x290/0x8d0 [ 462.106047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.110255] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.114291] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.118066] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.123060] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.127391] ? lockdep_hardirqs_on+0x421/0x5c0 [ 462.132400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.136623] ? trace_hardirqs_on+0xbd/0x310 [ 462.141444] ? check_preemption_disabled+0x48/0x200 [ 462.145922] ? kasan_check_read+0x11/0x20 [ 462.150914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.155392] ? mark_held_locks+0x130/0x130 [ 462.160394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.164964] ? audit_add_watch+0x481/0xdc0 [ 462.170480] apic_timer_interrupt+0xf/0x20 [ 462.174775] ? kasan_check_write+0x14/0x20 [ 462.179763] [ 462.183892] ? finish_task_switch+0x2f5/0x900 [ 462.189406] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 462.193616] ? __switch_to_asm+0x40/0x70 [ 462.198434] 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 [ 462.202647] ? preempt_notifier_register+0x200/0x200 [ 462.206847] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 [ 462.211061] ? __switch_to_asm+0x34/0x70 [ 462.213267] ORIG_RAX: ffffffffffffff13 [ 462.217742] ? __switch_to_asm+0x34/0x70 [ 462.222641] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 462.226679] ? __switch_to_asm+0x40/0x70 [ 462.245548] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 462.245559] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 462.250639] ? __switch_to_asm+0x40/0x70 [ 462.255976] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 462.260017] ? __switch_to_asm+0x34/0x70 [ 462.263960] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 462.263978] ? trace_hardirqs_on+0xb4/0x310 [ 462.268014] ? __switch_to_asm+0x40/0x70 [ 462.275265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.279296] ? __switch_to_asm+0x34/0x70 [ 462.286548] skb_clone+0x1bb/0x500 [ 462.293795] ? __switch_to_asm+0x34/0x70 [ 462.297835] ? skb_split+0x11e0/0x11e0 [ 462.305086] ? __switch_to_asm+0x40/0x70 [ 462.309130] ? check_preemption_disabled+0x48/0x200 [ 462.316388] ? __switch_to_asm+0x40/0x70 [ 462.320686] ? __this_cpu_preempt_check+0x1c/0x1f [ 462.324722] ? __switch_to_asm+0x34/0x70 [ 462.330238] ? __bpf_redirect+0x54b/0xb20 [ 462.334273] ? __switch_to_asm+0x40/0x70 [ 462.337790] ? __switch_to_asm+0x34/0x70 [ 462.341828] ? __schedule+0x874/0x1ed0 [ 462.345693] bpf_clone_redirect+0xb9/0x490 [ 462.349726] ? __switch_to_asm+0x40/0x70 [ 462.354731] bpf_prog_466abe619656067b+0x436/0x1000 [ 462.358764] ? __switch_to_asm+0x40/0x70 [ 462.363581] ? __sched_text_start+0x8/0x8 [ 462.367624] ? graph_lock+0x170/0x170 [ 462.371744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 462.375781] ? __sched_text_start+0x8/0x8 [ 462.379819] ? retint_kernel+0x2d/0x2d [ 462.383686] ? find_held_lock+0x36/0x1c0 [ 462.387896] ? lock_acquire+0x1ed/0x520 [ 462.391935] ? __kthread_parkme+0xce/0x1a0 [ 462.396924] ? bpf_test_run+0x32e/0x5a0 [ 462.400960] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.405083] ? lock_downgrade+0x900/0x900 [ 462.408861] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.413591] ? lock_release+0x970/0x970 [ 462.417716] ? lockdep_hardirqs_on+0x421/0x5c0 [ 462.421584] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 462.425623] ? trace_hardirqs_on+0xbd/0x310 [ 462.429571] ? preempt_schedule_common+0x1f/0xd0 [ 462.433782] ? kasan_check_read+0x11/0x20 [ 462.437732] ? preempt_schedule+0x4d/0x60 [ 462.442810] ? __kthread_parkme+0xce/0x1a0 [ 462.446937] ? ___preempt_schedule+0x16/0x18 [ 462.452013] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 462.455965] ? bpf_test_run+0x1c0/0x5a0 [ 462.460522] ? kasan_check_write+0x14/0x20 [ 462.466298] ? netlink_diag_dump+0x2a0/0x2a0 [ 462.470595] ? do_raw_spin_lock+0xc1/0x200 [ 462.475324] ? bpf_prog_test_run_skb+0x295/0xb40 [ 462.479451] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.483573] ? bpf_prog_test_run_skb+0x634/0xb40 [ 462.487787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.492172] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 462.497597] ? __kthread_parkme+0xfb/0x1a0 [ 462.501547] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 462.505758] kthread+0x35a/0x420 [ 462.510142] ? fput+0x130/0x1a0 [ 462.514359] ? rcu_gp_init+0x1830/0x1830 [ 462.519087] ? __bpf_prog_get+0x9b/0x290 [ 462.524166] ? kthread_bind+0x40/0x40 [ 462.528895] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 462.534408] ret_from_fork+0x3a/0x50 [ 462.539226] ? bpf_prog_test_run+0x130/0x1a0 [ 462.543522] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 462.548970] ? __x64_sys_bpf+0x3d8/0x510 [ 462.548984] ? bpf_prog_get+0x20/0x20 [ 462.552365] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 462.555602] ? do_syscall_64+0x1b9/0x820 [ 462.559628] syz-fuzzer cpuset= [ 462.563673] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 462.567443] / [ 462.572269] ? syscall_return_slowpath+0x5e0/0x5e0 [ 462.575952] mems_allowed=0 [ 462.580350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.631718] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.636723] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 462.641727] ? prepare_exit_to_usermode+0x291/0x3b0 [ 462.646735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.651575] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 462.656937] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 462.656939] Mem-Info: [ 462.656967] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 462.656967] active_file:98 inactive_file:120 isolated_file:0 [ 462.656967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 462.656967] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 462.656967] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 462.656967] free:13602 free_pcp:142 free_cma:0 [ 462.663850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.666271] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 462.699192] Call Trace: [ 462.708524] Node 0 [ 462.736169] [ 462.738753] 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 [ 462.740956] dump_stack+0x1c4/0x2b4 [ 462.743085] lowmem_reserve[]: [ 462.768569] ? dump_stack_print_info.cold.2+0x52/0x52 [ 462.772647] 0 [ 462.775741] warn_alloc.cold.119+0xb7/0x1bd [ 462.780891] 2819 [ 462.782679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 462.786966] 6323 [ 462.789015] ? lock_downgrade+0x900/0x900 [ 462.793820] 6323 [ 462.795874] ? trace_hardirqs_off+0xb8/0x310 [ 462.799988] Node 0 [ 462.802040] ? trace_hardirqs_off+0xb8/0x310 [ 462.806444] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 462.808659] __alloc_pages_slowpath+0x2667/0x2d80 [ 462.813033] lowmem_reserve[]: [ 462.839581] ? warn_alloc+0x120/0x120 [ 462.844382] 0 [ 462.847472] ? lock_release+0x970/0x970 [ 462.851241] 0 [ 462.853031] ? warn_alloc+0x120/0x120 [ 462.856971] 3503 3503 [ 462.858765] ? trace_hardirqs_on+0x310/0x310 [ 462.865027] ? warn_alloc+0x120/0x120 [ 462.869404] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 462.873208] ? mark_held_locks+0x130/0x130 [ 462.873226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.902251] lowmem_reserve[]: [ 462.906472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.911974] 0 [ 462.915064] ? should_fail+0x22d/0xd01 [ 462.920572] 0 [ 462.922359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.926232] 0 [ 462.928125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.933195] 0 [ 462.934999] ? should_fail+0x22d/0xd01 [ 462.942303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.946162] Node 0 [ 462.951244] ? should_fail+0x22d/0xd01 [ 462.951251] DMA: [ 462.953472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.957331] 1*4kB [ 462.959376] ? mark_held_locks+0x130/0x130 [ 462.964448] (U) [ 462.966585] ? mark_held_locks+0x130/0x130 [ 462.970790] 0*8kB [ 462.972754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.976957] 0*16kB [ 462.979091] ? trace_hardirqs_off+0xb8/0x310 [ 462.984600] 1*32kB [ 462.986820] ? kasan_check_read+0x11/0x20 [ 462.991194] (U) [ 462.993416] ? do_raw_spin_unlock+0xa7/0x2f0 [ 462.997533] 2*64kB [ 462.999496] ? trace_hardirqs_on+0x310/0x310 [ 463.003873] (U) [ 463.006096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.010467] 1*128kB (U) [ 463.012434] ? wq_watchdog_touch+0x9c/0xfe [ 463.017941] 1*256kB [ 463.020599] ? io_serial_in+0x11/0x90 [ 463.024799] (U) [ 463.027109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.030872] 0*512kB 1*1024kB [ 463.032838] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.038340] (U) [ 463.041432] __alloc_pages_nodemask+0xa80/0xde0 [ 463.046498] 1*2048kB [ 463.048458] ? should_fail+0x22d/0xd01 [ 463.053091] (M) [ 463.055490] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 463.059344] 3*4096kB [ 463.061328] ? ____cache_alloc_node+0x1c7/0x1e0 [ 463.066306] (M) [ 463.068700] ? lock_downgrade+0x900/0x900 [ 463.073336] = 15908kB [ 463.075308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.079421] Node 0 [ 463.081817] cache_grow_begin+0x91/0x8c0 [ 463.087320] DMA32: [ 463.089540] ? do_raw_spin_unlock+0xa7/0x2f0 [ 463.093572] 5*4kB [ 463.095796] fallback_alloc+0x203/0x2e0 [ 463.100170] (UM) [ 463.102312] ____cache_alloc_node+0x1c7/0x1e0 [ 463.106253] 0*8kB [ 463.108314] kmem_cache_alloc_node+0xe3/0x730 [ 463.112776] 5*16kB [ 463.114913] ? ipv6_get_ifaddr+0x42e/0x620 [ 463.119375] (UMH) [ 463.121599] __alloc_skb+0x119/0x770 [ 463.125802] 5*32kB [ 463.127940] ? skb_scrub_packet+0x490/0x490 [ 463.131626] (UMH) [ 463.133849] ? lock_downgrade+0x900/0x900 [ 463.138136] 7*64kB (UM) [ 463.140279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.144400] 4*128kB [ 463.147062] ? refcount_sub_and_test_checked+0x203/0x310 [ 463.152567] (UM) [ 463.154877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 463.160302] 5*256kB [ 463.162348] ? addrconf_rs_timer+0x690/0x690 [ 463.167767] (UMH) [ 463.170083] ndisc_alloc_skb+0x144/0x340 [ 463.174456] 4*512kB [ 463.176593] ndisc_send_rs+0x331/0x6e0 [ 463.180622] (UM) [ 463.182929] addrconf_rs_timer+0x314/0x690 [ 463.186786] 4*1024kB [ 463.188833] ? neigh_invalidate+0x550/0x550 [ 463.193032] (UMH) [ 463.195427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.199716] 4*2048kB [ 463.201854] call_timer_fn+0x272/0x920 [ 463.206063] (UM) [ 463.208456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.212309] 2*4096kB (M) [ 463.214360] ? process_timeout+0x40/0x40 [ 463.218561] = 25028kB [ 463.221308] ? trace_hardirqs_off+0xb8/0x310 [ 463.225337] Node 0 [ 463.227732] ? kasan_check_read+0x11/0x20 [ 463.232111] Normal: [ 463.234333] ? do_raw_spin_unlock+0xa7/0x2f0 [ 463.238450] 809*4kB [ 463.240755] ? trace_hardirqs_on+0x310/0x310 [ 463.245130] (UMEH) [ 463.247442] ? __run_timers+0x7da/0xc70 [ 463.251816] 372*8kB [ 463.254034] ? lock_downgrade+0x900/0x900 [ 463.257981] (UMEH) [ 463.260296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.264414] 191*16kB [ 463.266645] ? trace_hardirqs_on+0xbd/0x310 [ 463.271717] (UMEH) [ 463.274123] ? kasan_check_read+0x11/0x20 [ 463.278429] 81*32kB [ 463.280647] ? __run_timers+0x7da/0xc70 [ 463.284760] (UME) [ 463.287067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 463.291008] 21*64kB [ 463.293139] ? kasan_check_write+0x14/0x20 [ 463.298556] (UMH) [ 463.300867] ? do_raw_spin_lock+0xc1/0x200 [ 463.305072] 3*128kB [ 463.307207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.311406] (UH) 0*256kB [ 463.313724] __run_timers+0x7e5/0xc70 [ 463.317932] 0*512kB [ 463.320678] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 463.324444] 0*1024kB [ 463.326754] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 463.332084] 0*2048kB [ 463.334481] ? timerqueue_add+0x207/0x2b0 [ 463.339467] 0*4096kB [ 463.341862] ? enqueue_hrtimer+0x1a5/0x560 [ 463.345978] = 13588kB [ 463.348370] ? lock_release+0x970/0x970 [ 463.352578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 463.354965] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 463.358916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 463.367745] ? kasan_check_write+0x14/0x20 [ 463.372901] 348 total pagecache pages [ 463.381460] ? pvclock_read_flags+0x160/0x160 [ 463.385662] 0 pages in swap cache [ 463.389446] ? lock_downgrade+0x900/0x900 [ 463.393912] Swap cache stats: add 0, delete 0, find 0/0 [ 463.397348] ? trace_hardirqs_on+0xbd/0x310 [ 463.401462] Free swap = 0kB [ 463.406807] ? kvm_sched_clock_read+0x9/0x20 [ 463.411095] Total swap = 0kB [ 463.414100] ? irq_exit+0x17f/0x1c0 [ 463.418475] 1965979 pages RAM [ 463.421476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.425070] 0 pages HighMem/MovableOnly [ 463.428159] ? check_preemption_disabled+0x48/0x200 [ 463.433665] 342307 pages reserved [ 463.437619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.442603] 0 pages cma reserved [ 463.446042] run_timer_softirq+0x52/0xb0 [ 463.451592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 463.455009] ? __this_cpu_preempt_check+0x1c/0x1f [ 463.459099] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 463.465525] __do_softirq+0x30b/0xad8 [ 463.470334] syz-executor3 cpuset= [ 463.480804] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 463.484570] syz3 [ 463.488007] ? pvclock_read_flags+0x160/0x160 [ 463.493083] mems_allowed=0 [ 463.495040] ? lapic_next_event+0x5a/0x90 [ 463.506552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.512079] ? clockevents_program_event+0x140/0x370 [ 463.517175] ? kvm_clock_read+0x18/0x30 [ 463.521138] ? kvm_sched_clock_read+0x9/0x20 [ 463.525539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.531068] ? check_preemption_disabled+0x48/0x200 [ 463.536078] irq_exit+0x17f/0x1c0 [ 463.539528] smp_apic_timer_interrupt+0x1cb/0x760 [ 463.544359] ? smp_reschedule_interrupt+0x109/0x650 [ 463.549364] ? smp_call_function_single_interrupt+0x650/0x650 [ 463.555237] ? interrupt_entry+0xb5/0xf0 [ 463.559294] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.564299] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.569305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.574138] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.579143] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.584149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.589678] ? check_preemption_disabled+0x48/0x200 [ 463.594687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.600219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.606556] apic_timer_interrupt+0xf/0x20 [ 463.610776] [ 463.613012] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 463.618194] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 463.637083] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 463.644781] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 463.652043] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 463.659300] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 463.666558] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 463.673816] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 463.681084] ? trace_hardirqs_on+0x9a/0x310 [ 463.685392] ? trace_hardirqs_on+0xb4/0x310 [ 463.689710] retint_kernel+0x1b/0x2d [ 463.693418] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 463.698684] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 463.717573] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 463.725274] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 463.732534] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 463.739793] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 463.747070] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 463.754328] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 463.761598] ? trace_hardirqs_on+0x9a/0x310 [ 463.765911] ? arch_local_irq_restore+0x45/0x52 [ 463.770574] dump_stack+0x26a/0x2b4 [ 463.774444] ? dump_stack_print_info.cold.2+0x52/0x52 [ 463.779629] ? mark_held_locks+0x130/0x130 [ 463.783851] ? mark_held_locks+0x130/0x130 [ 463.788078] dump_header+0x27b/0xf72 [ 463.791784] ? rcu_read_unlock+0x16/0x60 [ 463.795835] ? pagefault_out_of_memory+0x197/0x197 [ 463.800779] ? mark_held_locks+0x130/0x130 [ 463.805004] ? percpu_ref_put_many+0x13e/0x260 [ 463.809581] ? mem_cgroup_charge_statistics+0x780/0x780 [ 463.814941] ? mem_cgroup_iter+0x1f7/0x1160 [ 463.819261] ? mark_held_locks+0x130/0x130 [ 463.823504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.829030] ? task_will_free_mem+0x239/0xb30 [ 463.833523] ? ___ratelimit+0x36f/0x655 [ 463.837498] ? lock_downgrade+0x900/0x900 [ 463.841639] ? trace_hardirqs_on+0xbd/0x310 [ 463.845948] ? kasan_check_read+0x11/0x20 [ 463.850088] ? ___ratelimit+0x36f/0x655 [ 463.854055] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 463.859500] ? trace_hardirqs_on+0x310/0x310 [ 463.863897] ? lock_downgrade+0x900/0x900 [ 463.868042] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.873135] ? ___ratelimit+0xaa/0x655 [ 463.877029] ? idr_get_free+0xec0/0xec0 [ 463.880992] ? kasan_check_write+0x14/0x20 [ 463.885219] ? do_raw_spin_lock+0xc1/0x200 [ 463.889454] oom_kill_process.cold.27+0x10/0x903 [ 463.894202] ? lock_downgrade+0x900/0x900 [ 463.898351] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 463.904155] ? oom_evaluate_task+0x540/0x540 [ 463.908557] ? oom_unkillable_task+0x383/0x580 [ 463.913131] ? out_of_memory+0x974/0x1430 [ 463.917272] ? lock_downgrade+0x900/0x900 [ 463.921413] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 463.927199] ? __cpuset_node_allowed+0x19b/0x660 [ 463.931954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.937485] ? oom_evaluate_task+0x302/0x540 [ 463.941884] out_of_memory+0xa84/0x1430 [ 463.945851] ? oom_killer_disable+0x3a0/0x3a0 [ 463.950337] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 463.955259] ? __mutex_add_waiter+0x2a0/0x2a0 [ 463.959747] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 463.964752] ? find_next_bit+0x104/0x130 [ 463.968805] __alloc_pages_slowpath+0x2318/0x2d80 [ 463.973653] ? warn_alloc+0x120/0x120 [ 463.977445] ? __radix_tree_lookup+0x4c0/0x4c0 [ 463.982026] ? find_get_entry+0x2f2/0xc40 [ 463.986170] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 463.991089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.996619] ? should_fail+0x22d/0xd01 [ 464.000501] ? ___might_sleep+0x1ed/0x300 [ 464.004637] ? lock_release+0x970/0x970 [ 464.008603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.013696] ? debug_smp_processor_id+0x1c/0x20 [ 464.018359] ? __might_sleep+0x95/0x190 [ 464.022329] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 464.027167] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 464.032178] ? lock_downgrade+0x900/0x900 [ 464.036319] ? ___might_sleep+0x1ed/0x300 [ 464.040457] ? lock_release+0x970/0x970 [ 464.044427] ? arch_local_save_flags+0x40/0x40 [ 464.049002] ? finish_task_switch+0x1f5/0x900 [ 464.053495] ? __might_sleep+0x95/0x190 [ 464.057463] __alloc_pages_nodemask+0xa80/0xde0 [ 464.062223] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 464.067234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 464.073022] ? mark_held_locks+0x130/0x130 [ 464.077246] ? kasan_check_write+0x14/0x20 [ 464.081594] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 464.086259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.091787] ? __do_page_cache_readahead+0x7ce/0x980 [ 464.096903] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 464.102434] alloc_pages_current+0x10c/0x210 [ 464.106834] ? lock_downgrade+0x900/0x900 [ 464.110977] __page_cache_alloc+0x38f/0x5b0 [ 464.115291] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 464.121081] ? ext4_filemap_fault+0x82/0xad [ 464.125392] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 464.130054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.135582] ? check_preemption_disabled+0x48/0x200 [ 464.140596] filemap_fault+0x1594/0x25f0 [ 464.144657] ? __lock_page_or_retry+0xa00/0xa00 [ 464.149315] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 464.155100] ? lock_downgrade+0x900/0x900 [ 464.159241] ? trace_hardirqs_on+0xbd/0x310 [ 464.163563] ? kasan_check_read+0x11/0x20 [ 464.167700] ? __free_object+0x173/0x340 [ 464.171757] ? filemap_map_pages+0xdea/0x1980 [ 464.176249] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.181347] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 464.186609] ? debug_object_free+0x325/0x690 [ 464.191008] ? find_get_pages_range_tag+0x1320/0x1320 [ 464.196191] ? do_raw_spin_lock+0xc1/0x200 [ 464.200428] ? kasan_check_read+0x11/0x20 [ 464.204572] ? debug_object_destroy+0x2b0/0x2b0 [ 464.209233] ? kasan_check_write+0x14/0x20 [ 464.213466] ? lock_acquire+0x1ed/0x520 [ 464.217429] ? ext4_filemap_fault+0x7a/0xad [ 464.221746] ? lock_release+0x970/0x970 [ 464.225710] ? arch_local_save_flags+0x40/0x40 [ 464.230285] ? futex_wait_setup+0x3e0/0x3e0 [ 464.234605] ? down_read+0xb0/0x1d0 [ 464.238227] ? ext4_filemap_fault+0x7a/0xad [ 464.242539] ? __down_interruptible+0x700/0x700 [ 464.247217] ext4_filemap_fault+0x82/0xad [ 464.251358] __do_fault+0x100/0x6b0 [ 464.254979] ? print_bad_pte+0x6c0/0x6c0 [ 464.259030] ? do_futex+0x249/0x26d0 [ 464.262735] ? pmd_val+0x88/0x100 [ 464.266178] ? add_mm_counter_fast+0xd0/0xd0 [ 464.270583] ? pmd_val+0x88/0x100 [ 464.274027] ? add_mm_counter_fast+0xd0/0xd0 [ 464.278425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.283961] __handle_mm_fault+0x3709/0x53e0 [ 464.288359] ? perf_trace_lock+0x14d/0x7a0 [ 464.292593] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 464.297450] ? ksys_dup3+0x680/0x680 [ 464.301154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.306683] ? should_fail+0x22d/0xd01 [ 464.310569] ? lock_acquire+0x1ed/0x520 [ 464.314553] ? handle_mm_fault+0x42a/0xc70 [ 464.318781] ? lock_downgrade+0x900/0x900 [ 464.322926] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 464.328712] ? lock_downgrade+0x900/0x900 [ 464.332853] ? __do_page_fault+0x67d/0xed0 [ 464.337080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 464.342524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.348052] ? check_preemption_disabled+0x48/0x200 [ 464.353065] handle_mm_fault+0x54f/0xc70 [ 464.357118] ? __handle_mm_fault+0x53e0/0x53e0 [ 464.361697] ? find_vma+0x34/0x190 [ 464.365228] __do_page_fault+0x67d/0xed0 [ 464.369291] ? mm_fault_error+0x380/0x380 [ 464.373428] ? trace_hardirqs_off+0xb8/0x310 [ 464.377830] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 464.383189] ? trace_hardirqs_on+0x310/0x310 [ 464.387592] do_page_fault+0xf2/0x7e0 [ 464.391385] ? vmalloc_sync_all+0x30/0x30 [ 464.395525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.401049] ? error_entry+0x70/0xd0 [ 464.404754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.409760] ? trace_hardirqs_on_caller+0xc0/0x310 [ 464.414680] ? syscall_return_slowpath+0x5e0/0x5e0 [ 464.419599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.424437] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.429444] ? trace_hardirqs_off+0x310/0x310 [ 464.433941] ? prepare_exit_to_usermode+0x291/0x3b0 [ 464.438947] ? page_fault+0x8/0x30 [ 464.442597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.447429] ? page_fault+0x8/0x30 [ 464.450965] page_fault+0x1e/0x30 [ 464.454406] RIP: 0033:0x40f9c0 [ 464.457612] Code: Bad RIP value. [ 464.460964] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 464.466318] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 464.473575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 464.480847] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 464.488115] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 464.495376] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 464.502648] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 464.502690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 464.509931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.509935] Call Trace: [ 464.509940] [ 464.509958] dump_stack+0x1c4/0x2b4 [ 464.516456] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 464.525756] ? dump_stack_print_info.cold.2+0x52/0x52 [ 464.528321] syz-fuzzer cpuset= [ 464.530458] warn_alloc.cold.119+0xb7/0x1bd [ 464.534048] / [ 464.544258] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 464.549417] mems_allowed=0 [ 464.552597] ? lock_downgrade+0x900/0x900 [ 464.570446] ? trace_hardirqs_off+0xb8/0x310 [ 464.574848] ? trace_hardirqs_off+0xb8/0x310 [ 464.579252] __alloc_pages_slowpath+0x2667/0x2d80 [ 464.584101] ? warn_alloc+0x120/0x120 [ 464.587892] ? trace_hardirqs_on+0x310/0x310 [ 464.592385] ? warn_alloc+0x120/0x120 [ 464.596185] ? warn_alloc+0x120/0x120 [ 464.599973] ? ktime_get+0x2e1/0x440 [ 464.603679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.609209] ? check_preemption_disabled+0x48/0x200 [ 464.614220] ? kasan_check_read+0x11/0x20 [ 464.618374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.623902] ? should_fail+0x22d/0xd01 [ 464.627782] ? rcu_bh_qs+0xc0/0xc0 [ 464.631314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.636408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.641937] ? should_fail+0x22d/0xd01 [ 464.645815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.650907] ? should_fail+0x22d/0xd01 [ 464.654791] ? rcu_idle_enter+0x4b0/0x4b0 [ 464.658934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.664026] ? mark_held_locks+0x130/0x130 [ 464.668257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.673782] ? mark_held_locks+0x130/0x130 [ 464.678017] ? rcu_irq_exit+0xce/0x100 [ 464.681898] ? irq_exit+0xbd/0x1c0 [ 464.685432] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 464.690442] ? do_raw_spin_unlock+0xa7/0x2f0 [ 464.694839] ? smp_call_function_single_interrupt+0x650/0x650 [ 464.700711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.706235] ? ret_from_intr+0xb/0x1e [ 464.710025] ? retint_kernel+0x2d/0x2d [ 464.713901] ? trace_hardirqs_on_caller+0xc0/0x310 [ 464.718825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 464.723570] ? trace_hardirqs_off+0x310/0x310 [ 464.728056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.733164] __alloc_pages_nodemask+0xa80/0xde0 [ 464.737822] ? should_fail+0x22d/0xd01 [ 464.741702] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 464.746721] ? ____cache_alloc_node+0x1c7/0x1e0 [ 464.751382] ? lock_downgrade+0x900/0x900 [ 464.755525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.761055] cache_grow_begin+0x91/0x8c0 [ 464.765112] ? do_raw_spin_unlock+0xa7/0x2f0 [ 464.769514] fallback_alloc+0x203/0x2e0 [ 464.773486] ____cache_alloc_node+0x1c7/0x1e0 [ 464.777974] kmem_cache_alloc_node+0xe3/0x730 [ 464.782463] ? ipv6_get_ifaddr+0x42e/0x620 [ 464.786695] __alloc_skb+0x119/0x770 [ 464.790402] ? skb_scrub_packet+0x490/0x490 [ 464.794712] ? lock_downgrade+0x900/0x900 [ 464.798856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.804384] ? refcount_sub_and_test_checked+0x203/0x310 [ 464.809829] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 464.815272] ? addrconf_rs_timer+0x690/0x690 [ 464.819678] ndisc_alloc_skb+0x144/0x340 [ 464.823731] ndisc_send_rs+0x331/0x6e0 [ 464.827612] addrconf_rs_timer+0x314/0x690 [ 464.831841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.836089] call_timer_fn+0x272/0x920 [ 464.839968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.844195] ? process_timeout+0x40/0x40 [ 464.848245] ? trace_hardirqs_off+0xb8/0x310 [ 464.852639] ? kasan_check_read+0x11/0x20 [ 464.856777] ? do_raw_spin_unlock+0xa7/0x2f0 [ 464.861176] ? trace_hardirqs_on+0x310/0x310 [ 464.865579] ? __run_timers+0x7da/0xc70 [ 464.869543] ? lock_downgrade+0x900/0x900 [ 464.873680] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.878771] ? trace_hardirqs_on+0xbd/0x310 [ 464.883079] ? kasan_check_read+0x11/0x20 [ 464.887220] ? __run_timers+0x7da/0xc70 [ 464.891184] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 464.896623] ? kasan_check_write+0x14/0x20 [ 464.900846] ? do_raw_spin_lock+0xc1/0x200 [ 464.905077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.909304] __run_timers+0x7e5/0xc70 [ 464.913102] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 464.918463] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 464.923470] ? timerqueue_add+0x207/0x2b0 [ 464.927612] ? enqueue_hrtimer+0x1a5/0x560 [ 464.931835] ? lock_release+0x970/0x970 [ 464.935798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 464.940980] ? kasan_check_write+0x14/0x20 [ 464.945210] ? pvclock_read_flags+0x160/0x160 [ 464.949696] ? lock_downgrade+0x900/0x900 [ 464.953838] ? trace_hardirqs_on+0xbd/0x310 [ 464.958155] ? kvm_sched_clock_read+0x9/0x20 [ 464.962557] ? irq_exit+0x17f/0x1c0 [ 464.966174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.971704] ? check_preemption_disabled+0x48/0x200 [ 464.976710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.982243] run_timer_softirq+0x52/0xb0 [ 464.986297] ? __this_cpu_preempt_check+0x1c/0x1f [ 464.991142] __do_softirq+0x30b/0xad8 [ 464.994938] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 465.000035] ? pvclock_read_flags+0x160/0x160 [ 465.004521] ? lapic_next_event+0x5a/0x90 [ 465.008662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.014189] ? clockevents_program_event+0x140/0x370 [ 465.019283] ? kvm_clock_read+0x18/0x30 [ 465.023252] ? kvm_sched_clock_read+0x9/0x20 [ 465.027651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.033177] ? check_preemption_disabled+0x48/0x200 [ 465.038212] irq_exit+0x17f/0x1c0 [ 465.041657] smp_apic_timer_interrupt+0x1cb/0x760 [ 465.046505] ? smp_reschedule_interrupt+0x109/0x650 [ 465.051512] ? smp_call_function_single_interrupt+0x650/0x650 [ 465.057385] ? interrupt_entry+0xb5/0xf0 [ 465.061436] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.066441] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.071449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.076280] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.081289] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.086294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.091823] ? check_preemption_disabled+0x48/0x200 [ 465.096830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.102364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.107200] apic_timer_interrupt+0xf/0x20 [ 465.111418] [ 465.113649] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 465.118572] 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 [ 465.137461] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 465.145158] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 465.152415] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 465.159672] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 465.166930] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 465.174191] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 465.181463] ? trace_hardirqs_on+0xb4/0x310 [ 465.185781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.191312] skb_clone+0x1bb/0x500 [ 465.194845] ? skb_split+0x11e0/0x11e0 [ 465.198730] ? check_preemption_disabled+0x48/0x200 [ 465.203740] ? __this_cpu_preempt_check+0x1c/0x1f [ 465.208573] ? __bpf_redirect+0x54b/0xb20 [ 465.212710] ? __switch_to_asm+0x34/0x70 [ 465.216765] bpf_clone_redirect+0xb9/0x490 [ 465.220998] bpf_prog_466abe619656067b+0x436/0x1000 [ 465.226005] ? __sched_text_start+0x8/0x8 [ 465.230142] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 465.234891] ? retint_kernel+0x2d/0x2d [ 465.238775] ? lock_acquire+0x1ed/0x520 [ 465.242737] ? bpf_test_run+0x32e/0x5a0 [ 465.246704] ? lock_downgrade+0x900/0x900 [ 465.250845] ? lock_release+0x970/0x970 [ 465.254811] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 465.260600] ? preempt_schedule_common+0x1f/0xd0 [ 465.265350] ? preempt_schedule+0x4d/0x60 [ 465.269492] ? ___preempt_schedule+0x16/0x18 [ 465.273892] ? bpf_test_run+0x1c0/0x5a0 [ 465.277867] ? netlink_diag_dump+0x2a0/0x2a0 [ 465.282266] ? bpf_prog_test_run_skb+0x295/0xb40 [ 465.287015] ? bpf_prog_test_run_skb+0x634/0xb40 [ 465.291764] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 465.296597] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 465.302123] ? fput+0x130/0x1a0 [ 465.305396] ? __bpf_prog_get+0x9b/0x290 [ 465.309449] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 465.314279] ? bpf_prog_test_run+0x130/0x1a0 [ 465.318678] ? __x64_sys_bpf+0x3d8/0x510 [ 465.322731] ? bpf_prog_get+0x20/0x20 [ 465.326532] ? do_syscall_64+0x1b9/0x820 [ 465.330583] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 465.335938] ? syscall_return_slowpath+0x5e0/0x5e0 [ 465.340866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.345701] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.350707] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 465.355715] ? prepare_exit_to_usermode+0x291/0x3b0 [ 465.360726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.365563] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 465.370922] warn_alloc_show_mem: 1 callbacks suppressed [ 465.370932] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 465.370933] Mem-Info: [ 465.370960] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 465.370960] active_file:98 inactive_file:120 isolated_file:0 [ 465.370960] unevictable:0 dirty:0 writeback:0 unstable:0 [ 465.370960] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 465.370960] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 465.370960] free:13602 free_pcp:142 free_cma:0 [ 465.376293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.383211] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 465.385594] Call Trace: [ 465.418643] Node 0 [ 465.427974] [ 465.455642] 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 [ 465.458194] dump_stack+0x1c4/0x2b4 [ 465.460398] lowmem_reserve[]: [ 465.462535] ? dump_stack_print_info.cold.2+0x52/0x52 [ 465.488010] 0 2819 [ 465.491634] warn_alloc.cold.119+0xb7/0x1bd [ 465.494710] 6323 [ 465.499894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 465.502100] 6323 [ 465.506409] ? lock_downgrade+0x900/0x900 [ 465.513280] ? trace_hardirqs_off+0xb8/0x310 [ 465.515311] Node 0 [ 465.519447] ? trace_hardirqs_off+0xb8/0x310 [ 465.523851] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 465.526050] __alloc_pages_slowpath+0x2667/0x2d80 [ 465.530424] lowmem_reserve[]: [ 465.556963] ? warn_alloc+0x120/0x120 [ 465.561765] 0 [ 465.564854] ? lock_release+0x970/0x970 [ 465.568623] 0 [ 465.570411] ? warn_alloc+0x120/0x120 [ 465.574354] 3503 [ 465.576143] ? trace_hardirqs_on+0x310/0x310 [ 465.579916] 3503 [ 465.581965] ? warn_alloc+0x120/0x120 [ 465.588389] ? mark_held_locks+0x130/0x130 [ 465.592160] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 465.596399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.596414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.625867] lowmem_reserve[]: 0 [ 465.631432] ? should_fail+0x22d/0xd01 [ 465.636933] 0 [ 465.640197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.644051] 0 [ 465.645846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.650912] 0 [ 465.652701] ? should_fail+0x22d/0xd01 [ 465.659994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.663852] Node 0 [ 465.668932] ? should_fail+0x22d/0xd01 [ 465.668939] DMA: [ 465.671160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.675015] 1*4kB [ 465.677061] ? mark_held_locks+0x130/0x130 [ 465.682140] (U) [ 465.684276] ? mark_held_locks+0x130/0x130 [ 465.688479] 0*8kB [ 465.690444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.694648] 0*16kB [ 465.696782] ? trace_hardirqs_off+0xb8/0x310 [ 465.702287] 1*32kB [ 465.704505] ? kasan_check_read+0x11/0x20 [ 465.708880] (U) [ 465.711100] ? do_raw_spin_unlock+0xa7/0x2f0 [ 465.715215] 2*64kB [ 465.717173] ? trace_hardirqs_on+0x310/0x310 [ 465.721552] (U) [ 465.723772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.728154] 1*128kB [ 465.730116] ? wq_watchdog_touch+0x9c/0xfe [ 465.735621] (U) [ 465.737929] ? io_serial_in+0x11/0x90 [ 465.742133] 1*256kB [ 465.744093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.747860] (U) [ 465.750185] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 465.755687] 0*512kB [ 465.757656] __alloc_pages_nodemask+0xa80/0xde0 [ 465.762725] 1*1024kB [ 465.765034] ? should_fail+0x22d/0xd01 [ 465.769680] (U) [ 465.772418] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 465.776279] 1*2048kB [ 465.778249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 465.783222] (M) [ 465.785616] ? lock_downgrade+0x900/0x900 [ 465.790253] 3*4096kB [ 465.792215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.796331] (M) [ 465.798730] cache_grow_begin+0x91/0x8c0 [ 465.804248] = 15908kB [ 465.806211] ? do_raw_spin_unlock+0xa7/0x2f0 [ 465.810244] Node 0 [ 465.812643] fallback_alloc+0x203/0x2e0 [ 465.817022] DMA32: [ 465.819245] ____cache_alloc_node+0x1c7/0x1e0 [ 465.823188] 5*4kB [ 465.825425] kmem_cache_alloc_node+0xe3/0x730 [ 465.829888] (UM) [ 465.832041] ? ipv6_get_ifaddr+0x42e/0x620 [ 465.836521] 0*8kB [ 465.838573] __alloc_skb+0x119/0x770 [ 465.842788] 5*16kB [ 465.844922] ? skb_scrub_packet+0x490/0x490 [ 465.848602] (UMH) [ 465.850817] ? lock_downgrade+0x900/0x900 [ 465.850834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.855122] 5*32kB [ 465.857281] ? refcount_sub_and_test_checked+0x203/0x310 [ 465.861397] (UMH) [ 465.866917] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 465.869127] 7*64kB [ 465.874562] ? addrconf_rs_timer+0x690/0x690 [ 465.876682] (UM) [ 465.882119] ndisc_alloc_skb+0x144/0x340 [ 465.884322] 4*128kB [ 465.888715] ndisc_send_rs+0x331/0x6e0 [ 465.890747] (UM) [ 465.894806] addrconf_rs_timer+0x314/0x690 [ 465.897116] 5*256kB [ 465.900985] ? neigh_invalidate+0x550/0x550 [ 465.903015] (UMH) [ 465.907236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.909529] 4*512kB [ 465.913837] call_timer_fn+0x272/0x920 [ 465.915955] (UM) [ 465.920173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.922465] 4*1024kB [ 465.926339] ? process_timeout+0x40/0x40 [ 465.928370] (UMH) [ 465.932590] ? trace_hardirqs_off+0xb8/0x310 [ 465.934970] 4*2048kB [ 465.939013] ? kasan_check_read+0x11/0x20 [ 465.941134] (UM) [ 465.945528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 465.947906] 2*4096kB [ 465.952036] ? trace_hardirqs_on+0x310/0x310 [ 465.954073] (M) [ 465.958465] ? __run_timers+0x7da/0xc70 [ 465.960843] = 25028kB [ 465.965234] ? lock_downgrade+0x900/0x900 [ 465.967184] Node 0 [ 465.971142] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 465.973519] Normal: [ 465.977770] ? trace_hardirqs_on+0xbd/0x310 [ 465.979979] 809*4kB [ 465.985067] ? kasan_check_read+0x11/0x20 [ 465.987361] (UMEH) [ 465.991666] ? __run_timers+0x7da/0xc70 [ 465.993958] 372*8kB [ 465.998090] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 466.000300] (UMEH) [ 466.004271] ? kasan_check_write+0x14/0x20 [ 466.006568] 191*16kB [ 466.012004] ? do_raw_spin_lock+0xc1/0x200 [ 466.014210] (UMEH) [ 466.018443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 466.020823] 81*32kB [ 466.025047] __run_timers+0x7e5/0xc70 [ 466.027252] (UME) [ 466.031473] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 466.033763] 21*64kB [ 466.037545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 466.039663] (UMH) [ 466.045012] ? timerqueue_add+0x207/0x2b0 [ 466.047303] 3*128kB [ 466.052305] ? enqueue_hrtimer+0x1a5/0x560 [ 466.054423] (UH) [ 466.058555] ? lock_release+0x970/0x970 [ 466.060847] 0*256kB [ 466.065064] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 466.067099] 0*512kB [ 466.071063] ? kasan_check_write+0x14/0x20 [ 466.073358] 0*1024kB [ 466.078532] ? pvclock_read_flags+0x160/0x160 [ 466.080824] 0*2048kB [ 466.085047] ? lock_downgrade+0x900/0x900 [ 466.087426] 0*4096kB [ 466.091906] ? trace_hardirqs_on+0xbd/0x310 [ 466.094284] = 13588kB [ 466.098428] ? kvm_sched_clock_read+0x9/0x20 [ 466.100823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 466.105127] ? irq_exit+0x17f/0x1c0 [ 466.107512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 466.111913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.120719] 348 total pagecache pages [ 466.124330] ? check_preemption_disabled+0x48/0x200 [ 466.132886] 0 pages in swap cache [ 466.138404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.142175] Swap cache stats: add 0, delete 0, find 0/0 [ 466.147174] run_timer_softirq+0x52/0xb0 [ 466.150595] Free swap = 0kB [ 466.156128] ? __this_cpu_preempt_check+0x1c/0x1f [ 466.161461] Total swap = 0kB [ 466.165502] __do_softirq+0x30b/0xad8 [ 466.168490] 1965979 pages RAM [ 466.173321] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 466.176309] 0 pages HighMem/MovableOnly [ 466.180094] ? pvclock_read_flags+0x160/0x160 [ 466.183170] 342307 pages reserved [ 466.188253] ? lapic_next_event+0x5a/0x90 [ 466.192196] 0 pages cma reserved [ 466.196675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.200140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 466.204227] ? clockevents_program_event+0x140/0x370 [ 466.207622] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.213103] ? kvm_clock_read+0x18/0x30 [ 466.219565] syz-executor3 cpuset= [ 466.224651] ? kvm_sched_clock_read+0x9/0x20 [ 466.235109] syz3 [ 466.239066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.242489] mems_allowed=0 [ 466.246880] ? check_preemption_disabled+0x48/0x200 [ 466.262273] irq_exit+0x17f/0x1c0 [ 466.265718] smp_apic_timer_interrupt+0x1cb/0x760 [ 466.270550] ? smp_reschedule_interrupt+0x109/0x650 [ 466.275559] ? smp_call_function_single_interrupt+0x650/0x650 [ 466.281434] ? interrupt_entry+0xb5/0xf0 [ 466.285499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 466.290506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 466.295512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.300345] ? trace_hardirqs_on_caller+0x310/0x310 [ 466.305351] ? trace_hardirqs_on_caller+0x310/0x310 [ 466.310359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.315886] ? check_preemption_disabled+0x48/0x200 [ 466.320896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.326430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.331273] apic_timer_interrupt+0xf/0x20 [ 466.335491] [ 466.337721] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 466.342901] Code: 00 e8 17 6a a6 f9 e8 52 d8 d5 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d a4 e9 82 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 7a e9 [ 466.361790] RSP: 0000:ffff8801cde06150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 466.369490] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 466.376747] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe100 [ 466.384009] RBP: ffff8801cde06178 R08: ffff8801d7e0a0c0 R09: ffffed003b5c5979 [ 466.391272] R10: ffffed003b5c5979 R11: ffff8801dae2cbcb R12: dffffc0000000000 [ 466.398529] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 466.405814] ? trace_hardirqs_on+0x9a/0x310 [ 466.410126] ? trace_hardirqs_on+0xb4/0x310 [ 466.414459] retint_kernel+0x1b/0x2d [ 466.418168] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 466.423436] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 64 19 fa 48 83 3d 19 11 89 01 00 75 07 e8 1a f4 d5 f9 0f 0b e8 13 f4 d5 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 64 19 fa 4c 8b 45 d0 e9 [ 466.442328] RSP: 0000:ffff8801cde06238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 466.450026] RAX: ffff8801d7e0a0c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 466.457287] RDX: 0000000000000000 RSI: ffffffff87a8e17d RDI: 0000000000000293 [ 466.464545] RBP: ffff8801cde06240 R08: ffff8801d7e0a0c0 R09: fffffbfff13d8aec [ 466.471800] R10: fffffbfff13d8aec R11: 0000000000000003 R12: 0000000000000293 [ 466.479058] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f280 [ 466.486326] ? trace_hardirqs_on+0x9a/0x310 [ 466.490639] ? arch_local_irq_restore+0x45/0x52 [ 466.495305] dump_stack+0x26a/0x2b4 [ 466.498927] ? dump_stack_print_info.cold.2+0x52/0x52 [ 466.504121] ? mark_held_locks+0x130/0x130 [ 466.508344] ? mark_held_locks+0x130/0x130 [ 466.512571] dump_header+0x27b/0xf72 [ 466.516281] ? rcu_read_unlock+0x16/0x60 [ 466.520333] ? pagefault_out_of_memory+0x197/0x197 [ 466.525261] ? mark_held_locks+0x130/0x130 [ 466.529483] ? percpu_ref_put_many+0x13e/0x260 [ 466.534054] ? mem_cgroup_charge_statistics+0x780/0x780 [ 466.539414] ? mem_cgroup_iter+0x1f7/0x1160 [ 466.543725] ? mark_held_locks+0x130/0x130 [ 466.547957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.553489] ? task_will_free_mem+0x239/0xb30 [ 466.557991] ? ___ratelimit+0x36f/0x655 [ 466.561956] ? lock_downgrade+0x900/0x900 [ 466.566106] ? trace_hardirqs_on+0xbd/0x310 [ 466.570415] ? kasan_check_read+0x11/0x20 [ 466.574553] ? ___ratelimit+0x36f/0x655 [ 466.578520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 466.583963] ? trace_hardirqs_on+0x310/0x310 [ 466.588367] ? lock_downgrade+0x900/0x900 [ 466.592508] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.597601] ? ___ratelimit+0xaa/0x655 [ 466.601478] ? idr_get_free+0xec0/0xec0 [ 466.605445] ? kasan_check_write+0x14/0x20 [ 466.609672] ? do_raw_spin_lock+0xc1/0x200 [ 466.613900] oom_kill_process.cold.27+0x10/0x903 [ 466.618647] ? lock_downgrade+0x900/0x900 [ 466.622791] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 466.628580] ? oom_evaluate_task+0x540/0x540 [ 466.632989] ? oom_unkillable_task+0x383/0x580 [ 466.637560] ? out_of_memory+0x974/0x1430 [ 466.641697] ? lock_downgrade+0x900/0x900 [ 466.645839] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 466.651624] ? __cpuset_node_allowed+0x19b/0x660 [ 466.656376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.661901] ? oom_evaluate_task+0x302/0x540 [ 466.666303] out_of_memory+0xa84/0x1430 [ 466.670281] ? oom_killer_disable+0x3a0/0x3a0 [ 466.674770] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 466.679691] ? __mutex_add_waiter+0x2a0/0x2a0 [ 466.684174] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 466.689178] ? find_next_bit+0x104/0x130 [ 466.693239] __alloc_pages_slowpath+0x2318/0x2d80 [ 466.698087] ? warn_alloc+0x120/0x120 [ 466.701877] ? __radix_tree_lookup+0x4c0/0x4c0 [ 466.706456] ? find_get_entry+0x2f2/0xc40 [ 466.710600] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 466.715521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.721048] ? should_fail+0x22d/0xd01 [ 466.724926] ? ___might_sleep+0x1ed/0x300 [ 466.729077] ? lock_release+0x970/0x970 [ 466.733044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.738137] ? debug_smp_processor_id+0x1c/0x20 [ 466.742800] ? __might_sleep+0x95/0x190 [ 466.746766] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 466.751604] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 466.756614] ? lock_downgrade+0x900/0x900 [ 466.760753] ? ___might_sleep+0x1ed/0x300 [ 466.764889] ? lock_release+0x970/0x970 [ 466.768853] ? arch_local_save_flags+0x40/0x40 [ 466.773424] ? finish_task_switch+0x1f5/0x900 [ 466.777916] ? __might_sleep+0x95/0x190 [ 466.781884] __alloc_pages_nodemask+0xa80/0xde0 [ 466.786550] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 466.791575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 466.797363] ? mark_held_locks+0x130/0x130 [ 466.801585] ? kasan_check_write+0x14/0x20 [ 466.805812] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 466.810478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.816006] ? __do_page_cache_readahead+0x7ce/0x980 [ 466.821107] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 466.826638] alloc_pages_current+0x10c/0x210 [ 466.831036] ? lock_downgrade+0x900/0x900 [ 466.835179] __page_cache_alloc+0x38f/0x5b0 [ 466.839490] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 466.845281] ? ext4_filemap_fault+0x82/0xad [ 466.849593] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 466.854253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.859782] ? check_preemption_disabled+0x48/0x200 [ 466.864795] filemap_fault+0x1594/0x25f0 [ 466.868853] ? __lock_page_or_retry+0xa00/0xa00 [ 466.873512] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 466.879411] ? lock_downgrade+0x900/0x900 [ 466.883556] ? trace_hardirqs_on+0xbd/0x310 [ 466.887865] ? kasan_check_read+0x11/0x20 [ 466.892004] ? __free_object+0x173/0x340 [ 466.896061] ? filemap_map_pages+0xdea/0x1980 [ 466.900547] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.905643] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 466.910906] ? debug_object_free+0x325/0x690 [ 466.915305] ? find_get_pages_range_tag+0x1320/0x1320 [ 466.920491] ? do_raw_spin_lock+0xc1/0x200 [ 466.924723] ? kasan_check_read+0x11/0x20 [ 466.928863] ? debug_object_destroy+0x2b0/0x2b0 [ 466.933521] ? kasan_check_write+0x14/0x20 [ 466.937749] ? lock_acquire+0x1ed/0x520 [ 466.941713] ? ext4_filemap_fault+0x7a/0xad [ 466.946031] ? lock_release+0x970/0x970 [ 466.949998] ? arch_local_save_flags+0x40/0x40 [ 466.954571] ? futex_wait_setup+0x3e0/0x3e0 [ 466.958981] ? down_read+0xb0/0x1d0 [ 466.962595] ? ext4_filemap_fault+0x7a/0xad [ 466.966909] ? __down_interruptible+0x700/0x700 [ 466.971576] ext4_filemap_fault+0x82/0xad [ 466.975716] __do_fault+0x100/0x6b0 [ 466.979339] ? print_bad_pte+0x6c0/0x6c0 [ 466.983392] ? do_futex+0x249/0x26d0 [ 466.987095] ? pmd_val+0x88/0x100 [ 466.990538] ? add_mm_counter_fast+0xd0/0xd0 [ 466.994933] ? pmd_val+0x88/0x100 [ 466.998380] ? add_mm_counter_fast+0xd0/0xd0 [ 467.002782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.008326] __handle_mm_fault+0x3709/0x53e0 [ 467.012721] ? perf_trace_lock+0x14d/0x7a0 [ 467.016957] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 467.021794] ? ksys_dup3+0x680/0x680 [ 467.025496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.031024] ? should_fail+0x22d/0xd01 [ 467.034912] ? lock_acquire+0x1ed/0x520 [ 467.038883] ? handle_mm_fault+0x42a/0xc70 [ 467.043109] ? lock_downgrade+0x900/0x900 [ 467.047255] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 467.053040] ? lock_downgrade+0x900/0x900 [ 467.057182] ? __do_page_fault+0x67d/0xed0 [ 467.061409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 467.066850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.072380] ? check_preemption_disabled+0x48/0x200 [ 467.077391] handle_mm_fault+0x54f/0xc70 [ 467.081448] ? __handle_mm_fault+0x53e0/0x53e0 [ 467.086021] ? find_vma+0x34/0x190 [ 467.089556] __do_page_fault+0x67d/0xed0 [ 467.093613] ? mm_fault_error+0x380/0x380 [ 467.097758] ? trace_hardirqs_off+0xb8/0x310 [ 467.102160] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 467.107513] ? trace_hardirqs_on+0x310/0x310 [ 467.111915] do_page_fault+0xf2/0x7e0 [ 467.115714] ? vmalloc_sync_all+0x30/0x30 [ 467.119852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.125378] ? error_entry+0x70/0xd0 [ 467.129083] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.134092] ? trace_hardirqs_on_caller+0xc0/0x310 [ 467.139013] ? syscall_return_slowpath+0x5e0/0x5e0 [ 467.143944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.148781] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.153785] ? trace_hardirqs_off+0x310/0x310 [ 467.158276] ? prepare_exit_to_usermode+0x291/0x3b0 [ 467.163280] ? page_fault+0x8/0x30 [ 467.166813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.171650] ? page_fault+0x8/0x30 [ 467.175180] page_fault+0x1e/0x30 [ 467.178637] RIP: 0033:0x40f9c0 [ 467.181821] Code: Bad RIP value. [ 467.185171] RSP: 002b:000000c4200236f8 EFLAGS: 00010216 [ 467.190526] RAX: ffffffffffffff92 RBX: 000000003b985f62 RCX: 000000000045ddf3 [ 467.197782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 [ 467.205046] RBP: 000000c420023720 R08: 0000000000000000 R09: 0000000000000000 [ 467.212303] R10: 000000c4200236d8 R11: 0000000000000202 R12: 0000000000000001 [ 467.219560] R13: 000000c422504000 R14: 0000000000000001 R15: 0000000000000000 [ 467.226836] CPU: 1 PID: 24532 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #65 [ 467.226878] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 467.234101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 467.234105] Call Trace: [ 467.234109] [ 467.234124] dump_stack+0x1c4/0x2b4 [ 467.234140] ? dump_stack_print_info.cold.2+0x52/0x52 [ 467.240651] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 467.249952] warn_alloc.cold.119+0xb7/0x1bd [ 467.252501] syz-fuzzer cpuset= [ 467.254634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 467.258230] / [ 467.263401] ? lock_downgrade+0x900/0x900 [ 467.273597] mems_allowed=0 [ 467.277904] ? trace_hardirqs_off+0xb8/0x310 [ 467.299016] ? trace_hardirqs_off+0xb8/0x310 [ 467.303420] __alloc_pages_slowpath+0x2667/0x2d80 [ 467.308269] ? warn_alloc+0x120/0x120 [ 467.312061] ? warn_alloc+0x120/0x120 [ 467.315855] ? warn_alloc+0x120/0x120 [ 467.319645] ? mark_held_locks+0x130/0x130 [ 467.323872] ? trace_hardirqs_on+0x310/0x310 [ 467.328274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.333803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.339332] ? should_fail+0x22d/0xd01 [ 467.343215] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.348307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.353835] ? should_fail+0x22d/0xd01 [ 467.357719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.362811] ? should_fail+0x22d/0xd01 [ 467.366711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.371805] ? mark_held_locks+0x130/0x130 [ 467.376036] ? mark_held_locks+0x130/0x130 [ 467.380259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.385800] ? trace_hardirqs_off+0xb8/0x310 [ 467.390198] ? kasan_check_read+0x11/0x20 [ 467.394336] ? do_raw_spin_unlock+0xa7/0x2f0 [ 467.398739] ? trace_hardirqs_on+0x310/0x310 [ 467.403139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.408664] ? wq_watchdog_touch+0x9c/0xfe [ 467.412898] ? io_serial_in+0x11/0x90 [ 467.416699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.422230] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 467.427332] __alloc_pages_nodemask+0xa80/0xde0 [ 467.431990] ? should_fail+0x22d/0xd01 [ 467.435873] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 467.440894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 467.445558] ? lock_downgrade+0x900/0x900 [ 467.449700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.455230] cache_grow_begin+0x91/0x8c0 [ 467.459281] ? do_raw_spin_unlock+0xa7/0x2f0 [ 467.463689] fallback_alloc+0x203/0x2e0 [ 467.467672] ____cache_alloc_node+0x1c7/0x1e0 [ 467.472165] kmem_cache_alloc_node+0xe3/0x730 [ 467.476652] ? ipv6_get_ifaddr+0x42e/0x620 [ 467.480885] __alloc_skb+0x119/0x770 [ 467.484599] ? skb_scrub_packet+0x490/0x490 [ 467.488916] ? lock_downgrade+0x900/0x900 [ 467.493060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.498588] ? refcount_sub_and_test_checked+0x203/0x310 [ 467.504029] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 467.509475] ? addrconf_rs_timer+0x690/0x690 [ 467.513879] ndisc_alloc_skb+0x144/0x340 [ 467.517938] ndisc_send_rs+0x331/0x6e0 [ 467.521821] addrconf_rs_timer+0x314/0x690 [ 467.526053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.530285] call_timer_fn+0x272/0x920 [ 467.534166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.538393] ? process_timeout+0x40/0x40 [ 467.542442] ? trace_hardirqs_off+0xb8/0x310 [ 467.546841] ? kasan_check_read+0x11/0x20 [ 467.550980] ? do_raw_spin_unlock+0xa7/0x2f0 [ 467.555380] ? trace_hardirqs_on+0x310/0x310 [ 467.559781] ? __run_timers+0x7da/0xc70 [ 467.563745] ? lock_downgrade+0x900/0x900 [ 467.567884] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 467.572995] ? trace_hardirqs_on+0xbd/0x310 [ 467.577306] ? kasan_check_read+0x11/0x20 [ 467.581445] ? __run_timers+0x7da/0xc70 [ 467.585414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 467.590859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.596390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.600615] __run_timers+0x7e5/0xc70 [ 467.604912] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 467.610268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 467.615279] ? timerqueue_add+0x207/0x2b0 [ 467.619418] ? enqueue_hrtimer+0x1a5/0x560 [ 467.623642] ? lock_release+0x970/0x970 [ 467.627612] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 467.632793] ? kasan_check_write+0x14/0x20 [ 467.637026] ? pvclock_read_flags+0x160/0x160 [ 467.641510] ? lock_downgrade+0x900/0x900 [ 467.645658] ? trace_hardirqs_on+0xbd/0x310 [ 467.649969] ? kvm_sched_clock_read+0x9/0x20 [ 467.654370] ? irq_exit+0x17f/0x1c0 [ 467.657986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.663515] ? check_preemption_disabled+0x48/0x200 [ 467.668623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.674162] run_timer_softirq+0x52/0xb0 [ 467.678216] ? __this_cpu_preempt_check+0x1c/0x1f [ 467.683049] __do_softirq+0x30b/0xad8 [ 467.686847] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 467.691942] ? pvclock_read_flags+0x160/0x160 [ 467.696429] ? lapic_next_event+0x5a/0x90 [ 467.700568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.706097] ? clockevents_program_event+0x140/0x370 [ 467.711191] ? kvm_clock_read+0x18/0x30 [ 467.715158] ? kvm_sched_clock_read+0x9/0x20 [ 467.719557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.725088] ? check_preemption_disabled+0x48/0x200 [ 467.730100] irq_exit+0x17f/0x1c0 [ 467.733547] smp_apic_timer_interrupt+0x1cb/0x760 [ 467.738381] ? smp_reschedule_interrupt+0x109/0x650 [ 467.743390] ? smp_call_function_single_interrupt+0x650/0x650 [ 467.749264] ? interrupt_entry+0xb5/0xf0 [ 467.753317] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.758320] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.763330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.768165] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.773703] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.778714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.784243] ? check_preemption_disabled+0x48/0x200 [ 467.789251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.794869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.799732] apic_timer_interrupt+0xf/0x20 [ 467.803953] [ 467.806185] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 467.811108] 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 [ 467.829996] RSP: 0018:ffff8801ba767748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 467.837786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007eae000 [ 467.845044] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 467.852302] RBP: ffff8801ba7677b0 R08: ffff8801c1c76280 R09: fffffbfff12720c0 [ 467.859562] R10: ffff8801ba766390 R11: ffffffff89390603 R12: 0000000000000000 [ 467.866820] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 467.874092] ? trace_hardirqs_on+0xb4/0x310 [ 467.878407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.883943] skb_clone+0x1bb/0x500 [ 467.887478] ? skb_split+0x11e0/0x11e0 [ 467.891360] ? check_preemption_disabled+0x48/0x200 [ 467.896372] ? __this_cpu_preempt_check+0x1c/0x1f [ 467.901208] ? __bpf_redirect+0x54b/0xb20 [ 467.905360] ? __switch_to_asm+0x34/0x70 [ 467.909416] bpf_clone_redirect+0xb9/0x490 [ 467.913652] bpf_prog_466abe619656067b+0x436/0x1000 [ 467.918660] ? __sched_text_start+0x8/0x8 [ 467.922801] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 467.927550] ? retint_kernel+0x2d/0x2d [ 467.931433] ? lock_acquire+0x1ed/0x520 [ 467.935399] ? bpf_test_run+0x32e/0x5a0 [ 467.939365] ? lock_downgrade+0x900/0x900 [ 467.943507] ? lock_release+0x970/0x970 [ 467.947478] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 467.953265] ? preempt_schedule_common+0x1f/0xd0 [ 467.958015] ? preempt_schedule+0x4d/0x60 [ 467.962151] ? ___preempt_schedule+0x16/0x18 [ 467.966552] ? bpf_test_run+0x1c0/0x5a0 [ 467.970525] ? netlink_diag_dump+0x2a0/0x2a0 [ 467.975014] ? bpf_prog_test_run_skb+0x295/0xb40 [ 467.979760] ? bpf_prog_test_run_skb+0x634/0xb40 [ 467.984507] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 467.989338] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 467.994872] ? fput+0x130/0x1a0 [ 467.998143] ? __bpf_prog_get+0x9b/0x290 [ 468.002194] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 468.007023] ? bpf_prog_test_run+0x130/0x1a0 [ 468.011424] ? __x64_sys_bpf+0x3d8/0x510 [ 468.015473] ? bpf_prog_get+0x20/0x20 [ 468.019273] ? do_syscall_64+0x1b9/0x820 [ 468.023322] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 468.028676] ? syscall_return_slowpath+0x5e0/0x5e0 [ 468.033593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.038439] ? trace_hardirqs_on_caller+0x310/0x310 [ 468.043447] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 468.048455] ? prepare_exit_to_usermode+0x291/0x3b0 [ 468.053463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.058302] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 468.063661] warn_alloc_show_mem: 1 callbacks suppressed [ 468.063670] CPU: 0 PID: 5791 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #65 [ 468.063672] Mem-Info: [ 468.063699] active_anon:48765 inactive_anon:112 isolated_anon:0 [ 468.063699] active_file:98 inactive_file:120 isolated_file:0 [ 468.063699] unevictable:0 dirty:0 writeback:0 unstable:0 [ 468.063699] slab_reclaimable:9435 slab_unreclaimable:1475690 [ 468.063699] mapped:49157 shmem:119 pagetables:626 bounce:0 [ 468.063699] free:13602 free_pcp:142 free_cma:0 [ 468.069035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.075954] Node 0 active_anon:195060kB inactive_anon:448kB active_file:392kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196628kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 468.078341] Call Trace: [ 468.111312] Node 0 [ 468.120656] [ 468.148320] 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 [ 468.150878] dump_stack+0x1c4/0x2b4 [ 468.153080] lowmem_reserve[]: [ 468.155221] ? dump_stack_print_info.cold.2+0x52/0x52 [ 468.180689] 0 [ 468.184306] warn_alloc.cold.119+0xb7/0x1bd [ 468.187377] 2819 [ 468.192549] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 468.194320] 6323 [ 468.198622] ? lock_downgrade+0x900/0x900 [ 468.200654] 6323 [ 468.205483] ? trace_hardirqs_off+0xb8/0x310 [ 468.211647] ? trace_hardirqs_off+0xb8/0x310 [ 468.213680] Node 0 [ 468.218074] __alloc_pages_slowpath+0x2667/0x2d80 [ 468.222473] DMA32 free:24968kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:0kB local_pcp:0kB free_cma:0kB [ 468.224777] ? warn_alloc+0x120/0x120 [ 468.229576] lowmem_reserve[]: [ 468.256106] ? trace_hardirqs_on+0x310/0x310 [ 468.259872] 0 [ 468.262962] ? warn_alloc+0x120/0x120 [ 468.267341] 0 [ 468.269129] ? warn_alloc+0x120/0x120 [ 468.272900] 3503 [ 468.274685] ? ktime_get+0x2e1/0x440 [ 468.278450] 3503 [ 468.280499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.286226] ? check_preemption_disabled+0x48/0x200 [ 468.291731] Node 0 Normal free:13532kB min:37352kB low:46688kB high:56024kB active_anon:195060kB inactive_anon:448kB active_file:724kB inactive_file:332kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2504kB bounce:0kB free_pcp:568kB local_pcp:100kB free_cma:0kB [ 468.296751] ? kasan_check_read+0x11/0x20 [ 468.296766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.325792] lowmem_reserve[]: [ 468.329945] ? should_fail+0x22d/0xd01 [ 468.335461] 0 [ 468.338549] ? rcu_bh_qs+0xc0/0xc0 [ 468.342405] 0 [ 468.344193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.347698] 0 [ 468.349490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.354558] 0 [ 468.356348] ? should_fail+0x22d/0xd01 [ 468.363641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.367497] Node 0 [ 468.372580] ? should_fail+0x22d/0xd01 [ 468.372586] DMA: 1*4kB [ 468.374816] ? rcu_idle_enter+0x4b0/0x4b0 [ 468.378675] (U) [ 468.381247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.385362] 0*8kB [ 468.387325] ? mark_held_locks+0x130/0x130 [ 468.392396] 0*16kB [ 468.394533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.398738] 1*32kB [ 468.400956] ? mark_held_locks+0x130/0x130 [ 468.406461] (U) [ 468.408682] ? rcu_irq_exit+0xce/0x100 [ 468.412882] 2*64kB [ 468.414849] ? irq_exit+0xbd/0x1c0 [ 468.418702] (U) [ 468.420928] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 468.424435] 1*128kB [ 468.426397] ? do_raw_spin_unlock+0xa7/0x2f0 [ 468.431379] (U) [ 468.433689] ? smp_call_function_single_interrupt+0x650/0x650 [ 468.438063] 1*256kB [ 468.440034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.445882] (U) [ 468.448191] ? ret_from_intr+0xb/0x1e [ 468.453696] 0*512kB [ 468.455656] ? retint_kernel+0x2d/0x2d [ 468.459529] 1*1024kB [ 468.461840] ? trace_hardirqs_on_caller+0xc0/0x310 [ 468.465695] (U)