36] ip_fib_trie 11KB 11KB [ 203.012861] ? lock_downgrade+0x900/0x900 [ 203.017896] ip_fib_alias 51KB 55KB [ 203.023229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.027311] ip_dst_cache 2KB 8KB [ 203.032652] cache_grow_begin+0x91/0x8c0 [ 203.037686] RAW 40KB 50KB [ 203.041463] ? do_raw_spin_unlock+0xa7/0x2f0 [ 203.046546] UDP 16KB 19KB [ 203.051906] fallback_alloc+0x203/0x2e0 [ 203.051928] ____cache_alloc_node+0x1c7/0x1e0 [ 203.051949] kmem_cache_alloc_node+0xe3/0x730 [ 203.056701] TCP 8KB 11KB [ 203.060315] ? __kmalloc_node_track_caller+0x47/0x70 [ 203.060334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.060359] __alloc_skb+0x119/0x770 [ 203.065721] hugetlbfs_inode_cache 2KB 7KB [ 203.070144] ? skb_scrub_packet+0x490/0x490 [ 203.070177] ? vprintk_default+0x28/0x30 [ 203.075539] fscache_cookie_jar 1KB 7KB [ 203.079937] ? vprintk_func+0x85/0x181 [ 203.079952] ? printk+0xa7/0xcf [ 203.079966] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 203.079983] ? try_to_wake_up+0x10a/0x12f0 [ 203.084383] eventpoll_pwq 3KB 11KB [ 203.089915] new_skb+0x26/0x1c0 [ 203.089932] aoecmd_cfg+0x279/0x7f0 [ 203.089953] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 203.094958] eventpoll_epi 6KB 19KB [ 203.100312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.100330] ? check_preemption_disabled+0x48/0x200 [ 203.100362] ? check_preemption_disabled+0x48/0x200 [ 203.104778] inotify_inode_mark 5KB 15KB [ 203.110141] ? __lock_is_held+0xb5/0x140 [ 203.110166] discover_timer+0x50/0x60 [ 203.113959] request_queue 163KB 163KB [ 203.118183] call_timer_fn+0x272/0x920 [ 203.118197] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 203.118225] ? process_timeout+0x40/0x40 [ 203.121845] blkdev_requests 1KB 3KB [ 203.127219] ? find_held_lock+0x36/0x1c0 [ 203.127242] ? __run_timers+0x7da/0xc70 [ 203.127264] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.132360] blkdev_ioc 2KB 19KB [ 203.137719] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.137732] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 203.137751] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 203.143277] bio-0 53KB 82KB [ 203.148629] ? trace_hardirqs_on+0xbd/0x310 [ 203.148642] ? kasan_check_read+0x11/0x20 [ 203.148663] ? __run_timers+0x7da/0xc70 [ 203.152888] biovec-max 1336KB 1336KB [ 203.156263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 203.159928] bio_integrity_payload 1KB 4KB [ 203.165257] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 203.169071] khugepaged_mm_slot 0KB 7KB [ 203.172749] __run_timers+0x7e5/0xc70 [ 203.176273] dmaengine-unmap-256 2KB 6KB [ 203.181619] ? find_held_lock+0x36/0x1c0 [ 203.181646] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 203.181664] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.192003] dmaengine-unmap-128 1KB 3KB [ 203.196634] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.203427] dmaengine-unmap-16 0KB 4KB [ 203.212753] ? lockdep_hardirqs_on+0x421/0x5c0 [ 203.212781] ? trace_hardirqs_on+0xbd/0x310 [ 203.212798] ? kasan_check_read+0x11/0x20 [ 203.215384] dmaengine-unmap-2 0KB 3KB [ 203.219009] ? finish_task_switch+0x1f5/0x900 [ 203.219024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 203.219045] ? compat_start_thread+0x80/0x80 [ 203.224234] skbuff_fclone_cache 6KB 22KB [ 203.228560] ? pvclock_read_flags+0x160/0x160 [ 203.228580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.233425] skbuff_head_cache 625061KB 625061KB [ 203.237585] ? check_preemption_disabled+0x48/0x200 [ 203.237609] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 203.237628] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 203.242025] configfs_dir_cache 0KB 4KB [ 203.247385] ? rcu_pm_notify+0xc0/0xc0 [ 203.247401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.247432] ? check_preemption_disabled+0x48/0x200 [ 203.251832] file_lock_cache 0KB 3KB [ 203.257188] run_timer_softirq+0x52/0xb0 [ 203.257203] ? rcu_read_lock_sched_held+0x108/0x120 [ 203.257228] __do_softirq+0x30b/0xad8 [ 203.262080] file_lock_ctx 0KB 3KB [ 203.267472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 203.267488] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.267534] ? schedule+0x108/0x460 [ 203.271321] fsnotify_mark_connector 3KB 11KB [ 203.276680] ? trace_hardirqs_off+0xb8/0x310 [ 203.280496] net_namespace 51KB 51KB [ 203.284522] ? smpboot_thread_fn+0x68b/0xa00 [ 203.288340] shmem_inode_cache 3550KB 3611KB [ 203.293764] ? trace_hardirqs_on+0x310/0x310 [ 203.297858] task_delay_info 29KB 169KB [ 203.302054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.307613] taskstats 0KB 3KB [ 203.312942] ? check_preemption_disabled+0x48/0x200 [ 203.316817] proc_dir_entry 577KB 581KB [ 203.321912] ? takeover_tasklets+0xa90/0xa90 [ 203.321930] run_ksoftirqd+0x94/0x100 [ 203.321947] smpboot_thread_fn+0x68b/0xa00 [ 203.326177] pde_opener 0KB 3KB [ 203.331540] ? sort_range+0x30/0x30 [ 203.331555] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 203.331574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.336668] sigqueue 4KB 19KB [ 203.342019] ? __kthread_parkme+0xfb/0x1a0 [ 203.342039] kthread+0x35a/0x420 [ 203.342056] ? sort_range+0x30/0x30 [ 203.346289] kernfs_node_cache 10768KB 10784KB [ 203.350163] ? kthread_bind+0x40/0x40 [ 203.350180] ret_from_fork+0x3a/0x50 [ 203.350208] warn_alloc_show_mem: 2 callbacks suppressed [ 203.350212] Mem-Info: [ 203.355567] mnt_cache 77KB 92KB [ 203.359636] active_anon:44161 inactive_anon:112 isolated_anon:0 [ 203.359636] active_file:13 inactive_file:14 isolated_file:0 [ 203.359636] unevictable:0 dirty:0 writeback:0 unstable:0 [ 203.359636] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 203.359636] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 203.359636] free:13777 free_pcp:201 free_cma:0 [ 203.359669] Node 0 active_anon:176644kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 203.365010] filp 250KB 555KB [ 203.369220] 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 [ 203.369261] lowmem_reserve[]: [ 203.374663] names_cache 102KB 123KB [ 203.378871] 0 2819 6323 6323 [ 203.378893] Node 0 DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 203.378933] lowmem_reserve[]: [ 203.384296] iint_cache 73KB 79KB [ 203.388429] 0 0 3503 3503 [ 203.388451] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172548kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:556kB local_pcp:36kB free_cma:0kB [ 203.388491] lowmem_reserve[]: [ 203.392293] key_jar 3KB 7KB [ 203.396332] 0 0 [ 203.401732] uts_namespace 2KB 7KB [ 203.407221] 0 0 [ 203.407235] Node 0 DMA: 1*4kB (U) 0*8kB [ 203.412623] nsproxy 1KB 7KB [ 203.417612] 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) [ 203.422670] vm_area_struct 351KB 742KB [ 203.426720] 0*512kB 1*1024kB [ 203.432122] mm_struct 50KB 143KB [ 203.436756] (U) 1*2048kB [ 203.440596] fs_cache 8KB 52KB [ 203.445556] (M) 3*4096kB [ 203.450956] files_cache 30KB 71KB [ 203.454700] (M) = 15908kB [ 203.458798] signal_cache 219KB 524KB [ 203.464115] Node 0 [ 203.468814] sighand_cache 349KB 381KB [ 203.474121] DMA32: 4*4kB [ 203.478307] task_struct 1008KB 1008KB [ 203.483618] (M) 1*8kB [ 203.489191] cred_jar 46KB 324KB [ 203.494499] (U) 3*16kB [ 203.498597] anon_vma_chain 111KB 326KB [ 203.503909] (UM) 3*32kB [ 203.508366] anon_vma 121KB 350KB [ 203.513662] (UM) 5*64kB [ 203.517674] pid 19KB 132KB [ 203.522118] (UM) 3*128kB [ 203.526620] Acpi-Operand 106KB 158KB [ 203.531959] (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) [ 203.537136] Acpi-Namespace 19KB 23KB [ 203.542623] 4*4096kB (M) [ 203.546366] numa_policy 0KB 3KB [ 203.552056] = 25192kB [ 203.552062] Node 0 Normal: 824*4kB (MEH) 371*8kB (ME) 164*16kB [ 203.556458] debug_objects_cache 777KB 780KB [ 203.560491] (ME) 69*32kB (UMEH) 28*64kB (M) 1*128kB (M) 0*256kB 0*512kB [ 203.565984] trace_event_file 258KB 258KB [ 203.569846] 1*1024kB (H) 0*2048kB 0*4096kB = 14040kB [ 203.569879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 203.569894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 203.573168] ftrace_event_field 372KB 374KB [ 203.577899] 146 total pagecache pages [ 203.577915] 0 pages in swap cache [ 203.577924] Swap cache stats: add 0, delete 0, find 0/0 [ 203.577929] Free swap = 0kB [ 203.577939] Total swap = 0kB [ 203.582173] pool_workqueue 69KB 72KB [ 203.587525] 1965979 pages RAM [ 203.587531] 0 pages HighMem/MovableOnly [ 203.587536] 342307 pages reserved [ 203.587540] 0 pages cma reserved [ 203.587605] aoe: skb alloc failure [ 203.590849] task_group 5KB 7KB [ 203.594489] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 203.619266] page->ptl 69KB 367KB [ 203.619670] ksoftirqd/0 cpuset= [ 203.625151] kmalloc-2097152 2050KB 2050KB [ 203.629167] / mems_allowed=0 [ 203.629190] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 203.629197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.629208] Call Trace: [ 203.629232] dump_stack+0x1c4/0x2b4 [ 203.633024] kmalloc-524288 2056KB 2056KB [ 203.638378] ? dump_stack_print_info.cold.2+0x52/0x52 [ 203.638413] warn_alloc.cold.119+0xb7/0x1bd [ 203.642311] kmalloc-262144 1290KB 1290KB [ 203.647144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 203.647164] ? lock_downgrade+0x900/0x900 [ 203.647187] ? trace_hardirqs_off+0xb8/0x310 [ 203.651243] kmalloc-131072 650KB 650KB [ 203.656598] ? trace_hardirqs_off+0xb8/0x310 [ 203.660684] kmalloc-65536 330KB 330KB [ 203.664627] __alloc_pages_slowpath+0x2667/0x2d80 [ 203.669156] kmalloc-32768 693KB 693KB [ 203.674511] ? warn_alloc+0x120/0x120 [ 203.679003] kmalloc-16384 396KB 396KB [ 203.683809] ? warn_alloc+0x120/0x120 [ 203.688427] kmalloc-8192 1674KB 1674KB [ 203.693752] ? print_usage_bug+0xc0/0xc0 [ 203.698098] kmalloc-4096 5741KB 5741KB [ 203.702210] ? warn_alloc+0x120/0x120 [ 203.706180] kmalloc-2048 4128724KB 4128724KB [ 203.711534] ? print_usage_bug+0xc0/0xc0 [ 203.711553] ? mark_held_locks+0x130/0x130 [ 203.711573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.717120] kworker/1:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 203.722781] ? should_fail+0x22d/0xd01 [ 203.727605] kworker/1:2 cpuset= [ 203.733053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.736834] / [ 203.742368] ? __lock_acquire+0x7ec/0x4ec0 [ 203.746413] mems_allowed=0 [ 203.751791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.643304] ? __lock_acquire+0x7ec/0x4ec0 [ 204.647540] ? should_fail+0x22d/0xd01 [ 204.651474] ? mark_held_locks+0x130/0x130 [ 204.655738] ? mark_held_locks+0x130/0x130 [ 204.659980] ? lock_downgrade+0x900/0x900 [ 204.664136] ? graph_lock+0x170/0x170 [ 204.667941] ? graph_lock+0x170/0x170 [ 204.671748] ? graph_lock+0x170/0x170 [ 204.675563] ? print_usage_bug+0xc0/0xc0 [ 204.679628] ? do_raw_spin_unlock+0xa7/0x2f0 [ 204.684041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.689591] ? check_preemption_disabled+0x48/0x200 [ 204.694609] ? check_preemption_disabled+0x48/0x200 [ 204.699637] ? __lock_is_held+0xb5/0x140 [ 204.703731] __alloc_pages_nodemask+0xa80/0xde0 [ 204.708407] ? graph_lock+0x170/0x170 [ 204.712244] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 204.717259] ? graph_lock+0x170/0x170 [ 204.721071] ? find_held_lock+0x36/0x1c0 [ 204.725144] ? ____cache_alloc_node+0x1c7/0x1e0 [ 204.729820] ? lock_downgrade+0x900/0x900 [ 204.733986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.739558] cache_grow_begin+0x91/0x8c0 [ 204.743623] ? do_raw_spin_unlock+0xa7/0x2f0 [ 204.748051] fallback_alloc+0x203/0x2e0 [ 204.752038] ____cache_alloc_node+0x1c7/0x1e0 [ 204.756542] kmem_cache_alloc_node+0xe3/0x730 [ 204.761052] ? __kmalloc_node_track_caller+0x47/0x70 [ 204.766171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.771724] __alloc_skb+0x119/0x770 [ 204.775455] ? skb_scrub_packet+0x490/0x490 [ 204.779797] ? vprintk_default+0x28/0x30 [ 204.783858] ? vprintk_func+0x85/0x181 [ 204.787747] ? printk+0xa7/0xcf [ 204.791028] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 204.795901] ? try_to_wake_up+0x10a/0x12f0 [ 204.800158] new_skb+0x26/0x1c0 [ 204.803450] aoecmd_cfg+0x279/0x7f0 [ 204.807109] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 204.811446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.816992] ? check_preemption_disabled+0x48/0x200 [ 204.822011] ? check_preemption_disabled+0x48/0x200 [ 204.827039] ? __lock_is_held+0xb5/0x140 [ 204.831118] discover_timer+0x50/0x60 [ 204.834923] call_timer_fn+0x272/0x920 [ 204.838808] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 204.843652] ? process_timeout+0x40/0x40 [ 204.847717] ? find_held_lock+0x36/0x1c0 [ 204.851790] ? __run_timers+0x7da/0xc70 [ 204.855779] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.860272] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.864765] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 204.869605] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 204.874189] ? trace_hardirqs_on+0xbd/0x310 [ 204.878511] ? kasan_check_read+0x11/0x20 [ 204.882664] ? __run_timers+0x7da/0xc70 [ 204.886656] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 204.892115] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 204.896960] __run_timers+0x7e5/0xc70 [ 204.900761] ? find_held_lock+0x36/0x1c0 [ 204.904871] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 204.910238] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.914739] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.919234] ? lockdep_hardirqs_on+0x421/0x5c0 [ 204.923844] ? trace_hardirqs_on+0xbd/0x310 [ 204.928163] ? kasan_check_read+0x11/0x20 [ 204.932316] ? finish_task_switch+0x1f5/0x900 [ 204.936812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 204.942261] ? compat_start_thread+0x80/0x80 [ 204.946705] ? pvclock_read_flags+0x160/0x160 [ 204.951211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.956784] ? check_preemption_disabled+0x48/0x200 [ 204.961810] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 204.967350] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 204.972632] ? rcu_pm_notify+0xc0/0xc0 [ 204.976526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.982074] ? check_preemption_disabled+0x48/0x200 [ 204.987105] run_timer_softirq+0x52/0xb0 [ 204.991179] ? rcu_read_lock_sched_held+0x108/0x120 [ 204.996197] __do_softirq+0x30b/0xad8 [ 205.000009] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 205.005124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 205.009899] ? schedule+0x108/0x460 [ 205.013539] ? trace_hardirqs_off+0xb8/0x310 [ 205.017948] ? smpboot_thread_fn+0x68b/0xa00 [ 205.022361] ? trace_hardirqs_on+0x310/0x310 [ 205.026781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.032330] ? check_preemption_disabled+0x48/0x200 [ 205.037356] ? takeover_tasklets+0xa90/0xa90 [ 205.041772] run_ksoftirqd+0x94/0x100 [ 205.045578] smpboot_thread_fn+0x68b/0xa00 [ 205.049828] ? sort_range+0x30/0x30 [ 205.053468] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 205.058582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.064119] ? __kthread_parkme+0xfb/0x1a0 [ 205.068357] kthread+0x35a/0x420 [ 205.071731] ? sort_range+0x30/0x30 [ 205.075370] ? kthread_bind+0x40/0x40 [ 205.079212] ret_from_fork+0x3a/0x50 [ 205.082956] CPU: 1 PID: 2907 Comm: kworker/1:2 Not tainted 4.19.0-rc7+ #66 [ 205.083027] aoe: skb alloc failure [ 205.089978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.090000] Workqueue: events_power_efficient neigh_periodic_work [ 205.090010] Call Trace: [ 205.090031] dump_stack+0x1c4/0x2b4 [ 205.093578] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 205.102907] ? dump_stack_print_info.cold.2+0x52/0x52 [ 205.109117] ksoftirqd/0 cpuset= [ 205.111708] warn_alloc.cold.119+0xb7/0x1bd [ 205.115306] / [ 205.125614] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 205.130787] mems_allowed=0 [ 205.134065] ? lock_downgrade+0x900/0x900 [ 205.151971] ? trace_hardirqs_off+0xb8/0x310 [ 205.156389] ? trace_hardirqs_off+0xb8/0x310 [ 205.160813] __alloc_pages_slowpath+0x2667/0x2d80 [ 205.165685] ? mark_held_locks+0x130/0x130 [ 205.169938] ? warn_alloc+0x120/0x120 [ 205.173742] ? cpuacct_charge+0x265/0x440 [ 205.177898] ? warn_alloc+0x120/0x120 [ 205.181702] ? print_usage_bug+0xc0/0xc0 [ 205.185769] ? warn_alloc+0x120/0x120 [ 205.189573] ? print_usage_bug+0xc0/0xc0 [ 205.193640] ? __lock_acquire+0x7ec/0x4ec0 [ 205.197887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.203437] ? should_fail+0x22d/0xd01 [ 205.207346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.212469] ? __lock_acquire+0x7ec/0x4ec0 [ 205.216714] ? __lock_acquire+0x7ec/0x4ec0 [ 205.220955] ? should_fail+0x22d/0xd01 [ 205.224858] ? mark_held_locks+0x130/0x130 [ 205.229105] ? mark_held_locks+0x130/0x130 [ 205.233339] ? rcu_read_lock_sched_held+0x108/0x120 [ 205.238362] ? update_load_avg+0x2470/0x2470 [ 205.242780] ? graph_lock+0x170/0x170 [ 205.246584] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 205.251168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.256721] ? check_preemption_disabled+0x48/0x200 [ 205.261747] ? check_preemption_disabled+0x48/0x200 [ 205.266791] ? __lock_is_held+0xb5/0x140 [ 205.270865] __alloc_pages_nodemask+0xa80/0xde0 [ 205.275541] ? graph_lock+0x170/0x170 [ 205.279350] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 205.284367] ? graph_lock+0x170/0x170 [ 205.288184] ? find_held_lock+0x36/0x1c0 [ 205.292281] ? ____cache_alloc_node+0x1c7/0x1e0 [ 205.296959] ? lock_downgrade+0x900/0x900 [ 205.301145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.306704] cache_grow_begin+0x91/0x8c0 [ 205.310798] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.315221] fallback_alloc+0x203/0x2e0 [ 205.319212] ____cache_alloc_node+0x1c7/0x1e0 [ 205.323718] kmem_cache_alloc_node+0xe3/0x730 [ 205.328222] ? graph_lock+0x170/0x170 [ 205.332030] ? __sched_text_start+0x8/0x8 [ 205.336194] __alloc_skb+0x119/0x770 [ 205.339926] ? graph_lock+0x170/0x170 [ 205.343728] ? rcu_is_watching+0x30/0x30 [ 205.347794] ? skb_scrub_packet+0x490/0x490 [ 205.352114] ? find_held_lock+0x36/0x1c0 [ 205.356189] ? neigh_periodic_work+0x8ca/0xc60 [ 205.360780] ? lock_downgrade+0x900/0x900 [ 205.364932] ? lock_release+0x970/0x970 [ 205.368935] __neigh_notify+0x8c/0x160 [ 205.372844] neigh_cleanup_and_release+0x7b/0xe0 [ 205.377605] neigh_periodic_work+0x8d2/0xc60 [ 205.382031] ? neigh_del+0x420/0x420 [ 205.385752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.391295] ? check_preemption_disabled+0x48/0x200 [ 205.396327] ? check_preemption_disabled+0x48/0x200 [ 205.401358] ? __lock_is_held+0xb5/0x140 [ 205.405446] process_one_work+0xc90/0x1b90 [ 205.409704] ? mark_held_locks+0x130/0x130 [ 205.413955] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 205.418629] ? __switch_to_asm+0x40/0x70 [ 205.422690] ? __switch_to_asm+0x40/0x70 [ 205.426752] ? __switch_to_asm+0x34/0x70 [ 205.430816] ? __switch_to_asm+0x40/0x70 [ 205.434876] ? __switch_to_asm+0x34/0x70 [ 205.438936] ? __switch_to_asm+0x40/0x70 [ 205.442998] ? __switch_to_asm+0x34/0x70 [ 205.447057] ? __switch_to_asm+0x40/0x70 [ 205.451129] ? __schedule+0x874/0x1ed0 [ 205.455057] ? lock_downgrade+0x900/0x900 [ 205.459222] ? graph_lock+0x170/0x170 [ 205.463043] ? lockdep_hardirqs_on+0x421/0x5c0 [ 205.467626] ? retint_kernel+0x2d/0x2d [ 205.471535] ? find_held_lock+0x36/0x1c0 [ 205.475645] ? lock_acquire+0x1ed/0x520 [ 205.479628] ? worker_thread+0x3e0/0x1390 [ 205.483788] ? lock_release+0x970/0x970 [ 205.487788] ? trace_hardirqs_off+0xb8/0x310 [ 205.492197] ? kasan_check_read+0x11/0x20 [ 205.496363] ? worker_thread+0x3e0/0x1390 [ 205.500520] ? trace_hardirqs_on+0x310/0x310 [ 205.504947] ? kasan_check_write+0x14/0x20 [ 205.509189] ? do_raw_spin_lock+0xc1/0x200 [ 205.513447] worker_thread+0x17f/0x1390 [ 205.517446] ? __switch_to_asm+0x34/0x70 [ 205.521528] ? process_one_work+0x1b90/0x1b90 [ 205.526033] ? graph_lock+0x170/0x170 [ 205.529836] ? graph_lock+0x170/0x170 [ 205.533641] ? find_held_lock+0x36/0x1c0 [ 205.537718] ? find_held_lock+0x36/0x1c0 [ 205.541793] ? __kthread_parkme+0xce/0x1a0 [ 205.546033] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 205.551141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 205.556245] ? lockdep_hardirqs_on+0x421/0x5c0 [ 205.560854] ? trace_hardirqs_on+0xbd/0x310 [ 205.565175] ? kasan_check_read+0x11/0x20 [ 205.569331] ? __kthread_parkme+0xce/0x1a0 [ 205.573582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 205.579036] ? kasan_check_write+0x14/0x20 [ 205.583275] ? do_raw_spin_lock+0xc1/0x200 [ 205.587517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 205.592628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.598169] ? __kthread_parkme+0xfb/0x1a0 [ 205.602424] kthread+0x35a/0x420 [ 205.605797] ? process_one_work+0x1b90/0x1b90 [ 205.610295] ? kthread_bind+0x40/0x40 [ 205.614099] ret_from_fork+0x3a/0x50 [ 205.617834] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 205.617852] warn_alloc_show_mem: 1 callbacks suppressed [ 205.617856] Mem-Info: [ 205.624602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.629979] active_anon:44161 inactive_anon:112 isolated_anon:0 [ 205.629979] active_file:13 inactive_file:14 isolated_file:0 [ 205.629979] unevictable:0 dirty:0 writeback:0 unstable:0 [ 205.629979] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 205.629979] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 205.629979] free:13777 free_pcp:201 free_cma:0 [ 205.632369] Call Trace: [ 205.641765] Node 0 active_anon:176644kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 205.674622] dump_stack+0x1c4/0x2b4 [ 205.677190] Node 0 [ 205.704914] ? dump_stack_print_info.cold.2+0x52/0x52 [ 205.708559] 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 [ 205.710784] warn_alloc.cold.119+0xb7/0x1bd [ 205.715938] lowmem_reserve[]: [ 205.741479] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 205.745783] 0 [ 205.748891] ? lock_downgrade+0x900/0x900 [ 205.753705] 2819 6323 [ 205.755547] ? trace_hardirqs_off+0xb8/0x310 [ 205.759668] 6323 [ 205.762170] ? trace_hardirqs_off+0xb8/0x310 [ 205.766558] Node 0 [ 205.768637] __alloc_pages_slowpath+0x2667/0x2d80 [ 205.773046] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 205.775286] ? warn_alloc+0x120/0x120 [ 205.780074] lowmem_reserve[]: 0 [ 205.807088] ? warn_alloc+0x120/0x120 [ 205.810879] 0 3503 [ 205.814167] ? print_usage_bug+0xc0/0xc0 [ 205.817938] 3503 [ 205.820185] ? warn_alloc+0x120/0x120 [ 205.824232] Node 0 [ 205.826317] ? print_usage_bug+0xc0/0xc0 [ 205.830153] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172548kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:556kB local_pcp:520kB free_cma:0kB [ 205.832413] ? mark_held_locks+0x130/0x130 [ 205.836467] lowmem_reserve[]: 0 [ 205.865016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.869256] 0 [ 205.872539] ? should_fail+0x22d/0xd01 [ 205.878051] 0 [ 205.879855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.883713] 0 [ 205.885542] ? __lock_acquire+0x7ec/0x4ec0 [ 205.890622] Node 0 [ 205.892436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.896642] DMA: 1*4kB [ 205.898906] ? __lock_acquire+0x7ec/0x4ec0 [ 205.903981] (U) [ 205.906604] ? should_fail+0x22d/0xd01 [ 205.910845] 0*8kB [ 205.912825] ? mark_held_locks+0x130/0x130 [ 205.916691] 0*16kB [ 205.918848] ? mark_held_locks+0x130/0x130 [ 205.923061] 1*32kB [ 205.925293] ? lock_downgrade+0x900/0x900 [ 205.929510] (U) [ 205.931747] ? graph_lock+0x170/0x170 [ 205.935873] 2*64kB [ 205.937845] ? graph_lock+0x170/0x170 [ 205.941658] (U) [ 205.943894] ? graph_lock+0x170/0x170 [ 205.947674] 1*128kB [ 205.949648] ? print_usage_bug+0xc0/0xc0 [ 205.953447] (U) [ 205.955791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.959859] 1*256kB [ 205.961845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.966231] (U) [ 205.968569] ? check_preemption_disabled+0x48/0x200 [ 205.974083] 0*512kB 1*1024kB [ 205.976094] ? check_preemption_disabled+0x48/0x200 [ 205.981089] (U) [ 205.984202] ? __lock_is_held+0xb5/0x140 [ 205.989189] 1*2048kB [ 205.991191] __alloc_pages_nodemask+0xa80/0xde0 [ 205.995233] (M) [ 205.997652] ? graph_lock+0x170/0x170 [ 206.002306] 3*4096kB (M) [ 206.004307] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 206.008102] = 15908kB [ 206.010853] ? graph_lock+0x170/0x170 [ 206.015860] Node 0 [ 206.018283] ? find_held_lock+0x36/0x1c0 [ 206.022054] DMA32: [ 206.024327] ? ____cache_alloc_node+0x1c7/0x1e0 [ 206.028362] 4*4kB [ 206.030607] ? lock_downgrade+0x900/0x900 [ 206.035274] (M) [ 206.037457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.041584] 1*8kB [ 206.043557] cache_grow_begin+0x91/0x8c0 [ 206.049082] (U) [ 206.051226] ? do_raw_spin_unlock+0xa7/0x2f0 [ 206.051249] fallback_alloc+0x203/0x2e0 [ 206.055290] 3*16kB [ 206.057275] ____cache_alloc_node+0x1c7/0x1e0 [ 206.061662] (UM) [ 206.065645] kmem_cache_alloc_node+0xe3/0x730 [ 206.067856] 3*32kB (UM) [ 206.072356] ? __kmalloc_node_track_caller+0x47/0x70 [ 206.074407] 5*64kB [ 206.078910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.081562] (UM) [ 206.086662] __alloc_skb+0x119/0x770 [ 206.088885] 3*128kB [ 206.094437] ? skb_scrub_packet+0x490/0x490 [ 206.096497] (M) [ 206.100230] ? vprintk_default+0x28/0x30 [ 206.102533] 3*256kB [ 206.106849] ? vprintk_func+0x85/0x181 [ 206.108833] (M) [ 206.112903] ? printk+0xa7/0xcf [ 206.115227] 4*512kB [ 206.119118] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 206.121073] (UM) [ 206.124346] ? try_to_wake_up+0x10a/0x12f0 [ 206.126654] 3*1024kB [ 206.131405] new_skb+0x26/0x1c0 [ 206.133467] (UM) [ 206.137697] aoecmd_cfg+0x279/0x7f0 [ 206.140089] 1*2048kB [ 206.143368] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 206.145404] (M) [ 206.149042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.151442] 4*4096kB [ 206.155771] ? check_preemption_disabled+0x48/0x200 [ 206.157726] (M) [ 206.163262] ? check_preemption_disabled+0x48/0x200 [ 206.165645] = 25192kB [ 206.165655] Node 0 [ 206.170676] ? __lock_is_held+0xb5/0x140 [ 206.172626] Normal: [ 206.177645] discover_timer+0x50/0x60 [ 206.180030] 824*4kB [ 206.182267] call_timer_fn+0x272/0x920 [ 206.186304] (MEH) [ 206.188628] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 206.192407] 371*8kB [ 206.194749] ? process_timeout+0x40/0x40 [ 206.198628] (ME) [ 206.200789] ? find_held_lock+0x36/0x1c0 [ 206.205632] 164*16kB [ 206.207956] ? __run_timers+0x7da/0xc70 [ 206.211988] (ME) [ 206.214052] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.218102] 69*32kB [ 206.220530] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.224486] (UMEH) [ 206.226573] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 206.231050] 28*64kB [ 206.233387] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 206.237856] (M) 1*128kB [ 206.240102] ? trace_hardirqs_on+0xbd/0x310 [ 206.244920] (M) [ 206.247244] ? kasan_check_read+0x11/0x20 [ 206.251811] 0*256kB [ 206.254490] ? __run_timers+0x7da/0xc70 [ 206.258788] 0*512kB [ 206.260765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.264885] 1*1024kB (H) [ 206.267223] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 206.271175] 0*2048kB [ 206.273504] __run_timers+0x7e5/0xc70 [ 206.278926] 0*4096kB = 14040kB [ 206.281691] ? find_held_lock+0x36/0x1c0 [ 206.286523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 206.288935] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 206.292710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 206.295902] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.299941] 146 total pagecache pages [ 206.308797] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.314158] 0 pages in swap cache [ 206.322726] ? lockdep_hardirqs_on+0x421/0x5c0 [ 206.327199] Swap cache stats: add 0, delete 0, find 0/0 [ 206.330995] ? trace_hardirqs_on+0xbd/0x310 [ 206.335466] Free swap = 0kB [ 206.338912] ? kasan_check_read+0x11/0x20 [ 206.343477] Total swap = 0kB [ 206.348841] ? finish_task_switch+0x1f5/0x900 [ 206.353142] 1965979 pages RAM [ 206.356160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.360298] 0 pages HighMem/MovableOnly [ 206.360307] 342307 pages reserved [ 206.363325] ? compat_start_thread+0x80/0x80 [ 206.367815] 0 pages cma reserved [ 206.370931] ? pvclock_read_flags+0x160/0x160 [ 206.396019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.397136] kmalloc-1024 3055KB 5449KB [ 206.401575] ? check_preemption_disabled+0x48/0x200 [ 206.406932] kmalloc-512 1461KB 3210KB [ 206.411948] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 206.411963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.411981] ? rcu_pm_notify+0xc0/0xc0 [ 206.417381] kmalloc-256 1695KB 2216KB [ 206.422887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.428205] kmalloc-128 426KB 815KB [ 206.432058] ? check_preemption_disabled+0x48/0x200 [ 206.437466] kmalloc-96 445KB 1492KB [ 206.442967] run_timer_softirq+0x52/0xb0 [ 206.448352] kmalloc-64 575KB 944KB [ 206.453333] ? rcu_read_lock_sched_held+0x108/0x120 [ 206.458731] kmalloc-32 865KB 1508KB [ 206.462769] __do_softirq+0x30b/0xad8 [ 206.468147] kmalloc-192 716KB 904KB [ 206.473132] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 206.478512] kmem_cache 233KB 236KB [ 206.482268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 206.482291] ? schedule+0x108/0x460 [ 206.487710] Out of memory: Kill process 5371 (syz-fuzzer) score 25 or sacrifice child [ 206.492776] ? trace_hardirqs_off+0xb8/0x310 [ 206.498240] Killed process 5385 (syz-executor0) total-vm:70212kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 206.502875] ? smpboot_thread_fn+0x68b/0xa00 [ 206.506739] oom_reaper: reaped process 5385 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 206.514449] ? trace_hardirqs_on+0x310/0x310 [ 206.514465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.514486] ? check_preemption_disabled+0x48/0x200 [ 206.529628] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 206.533254] ? takeover_tasklets+0xa90/0xa90 [ 206.543062] syz-fuzzer cpuset= [ 206.547443] run_ksoftirqd+0x94/0x100 [ 206.547458] smpboot_thread_fn+0x68b/0xa00 [ 206.547475] ? sort_range+0x30/0x30 [ 206.553001] / [ 206.558015] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 206.569474] mems_allowed=0 [ 206.573851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.603931] ? __kthread_parkme+0xfb/0x1a0 [ 206.608197] kthread+0x35a/0x420 [ 206.611564] ? sort_range+0x30/0x30 [ 206.615195] ? kthread_bind+0x40/0x40 [ 206.619001] ret_from_fork+0x3a/0x50 [ 206.622750] CPU: 1 PID: 5374 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 206.622810] aoe: skb alloc failure [ 206.629693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.629700] Call Trace: [ 206.629722] dump_stack+0x1c4/0x2b4 [ 206.629743] ? dump_stack_print_info.cold.2+0x52/0x52 [ 206.629767] ? mark_held_locks+0x130/0x130 [ 206.633315] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 206.642650] ? mark_held_locks+0x130/0x130 [ 206.645219] ksoftirqd/0 cpuset= [ 206.648844] dump_header+0x27b/0xf72 [ 206.654013] / [ 206.658254] ? pagefault_out_of_memory+0x197/0x197 [ 206.668553] mems_allowed=0 [ 206.672786] ? __lock_acquire+0x7ec/0x4ec0 [ 206.693510] ? mem_cgroup_charge_statistics+0x780/0x780 [ 206.698881] ? print_usage_bug+0xc0/0xc0 [ 206.702961] ? print_usage_bug+0xc0/0xc0 [ 206.707035] ? graph_lock+0x170/0x170 [ 206.710845] ? print_usage_bug+0xc0/0xc0 [ 206.714906] ? print_usage_bug+0xc0/0xc0 [ 206.718976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.724530] ? find_held_lock+0x36/0x1c0 [ 206.728615] ? mark_held_locks+0xc7/0x130 [ 206.732768] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 206.737873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 206.742978] ? lockdep_hardirqs_on+0x421/0x5c0 [ 206.747585] ? trace_hardirqs_on+0xbd/0x310 [ 206.751939] ? kasan_check_read+0x11/0x20 [ 206.756096] ? ___ratelimit+0x36f/0x655 [ 206.760076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.765545] ? trace_hardirqs_on+0x310/0x310 [ 206.769968] ? lock_downgrade+0x900/0x900 [ 206.774136] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 206.779245] ? ___ratelimit+0xaa/0x655 [ 206.783138] ? idr_get_free+0xec0/0xec0 [ 206.787122] ? kasan_check_write+0x14/0x20 [ 206.791359] ? do_raw_spin_lock+0xc1/0x200 [ 206.796120] oom_kill_process.cold.27+0x10/0x903 [ 206.800906] ? graph_lock+0x170/0x170 [ 206.804719] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 206.810518] ? kasan_check_read+0x11/0x20 [ 206.814682] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.819965] ? oom_evaluate_task+0x540/0x540 [ 206.824384] ? find_held_lock+0x36/0x1c0 [ 206.828462] ? out_of_memory+0x974/0x1430 [ 206.832618] ? lock_downgrade+0x900/0x900 [ 206.836771] ? check_preemption_disabled+0x48/0x200 [ 206.841795] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 206.847618] ? kasan_check_read+0x11/0x20 [ 206.851775] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.857060] ? rcu_bh_qs+0xc0/0xc0 [ 206.860611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 206.866151] ? oom_evaluate_task+0x302/0x540 [ 206.870582] out_of_memory+0xa84/0x1430 [ 206.874606] ? oom_killer_disable+0x3a0/0x3a0 [ 206.879105] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 206.884041] ? __mutex_add_waiter+0x2a0/0x2a0 [ 206.888557] __alloc_pages_slowpath+0x2318/0x2d80 [ 206.893446] ? warn_alloc+0x120/0x120 [ 206.897272] ? find_get_entry+0x2f2/0xc40 [ 206.901443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.906987] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 206.911919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.917461] ? should_fail+0x22d/0xd01 [ 206.921360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.926468] ? __lock_is_held+0xb5/0x140 [ 206.930561] ? __lock_is_held+0xb5/0x140 [ 206.934634] ? find_held_lock+0x36/0x1c0 [ 206.938701] ? ___might_sleep+0x1ed/0x300 [ 206.942871] ? lock_release+0x970/0x970 [ 206.946849] ? arch_local_save_flags+0x40/0x40 [ 206.951454] ? __might_sleep+0x95/0x190 [ 206.955449] __alloc_pages_nodemask+0xa80/0xde0 [ 206.960133] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 206.965154] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 206.970963] ? kasan_check_read+0x11/0x20 [ 206.975115] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.980400] ? graph_lock+0x170/0x170 [ 206.984217] ? print_usage_bug+0xc0/0xc0 [ 206.988284] ? graph_lock+0x170/0x170 [ 206.992089] ? graph_lock+0x170/0x170 [ 206.995897] ? __do_page_cache_readahead+0x7ce/0x980 [ 207.001005] ? find_held_lock+0x36/0x1c0 [ 207.005077] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 207.010620] alloc_pages_current+0x10c/0x210 [ 207.015032] ? lock_downgrade+0x900/0x900 [ 207.019186] __page_cache_alloc+0x38f/0x5b0 [ 207.023513] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 207.029312] ? kasan_check_read+0x11/0x20 [ 207.033465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.038761] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 207.043443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.048987] ? check_preemption_disabled+0x48/0x200 [ 207.054030] filemap_fault+0x1594/0x25f0 [ 207.058108] ? __lock_page_or_retry+0xa00/0xa00 [ 207.062797] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 207.068599] ? kasan_check_read+0x11/0x20 [ 207.072768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.078054] ? rcu_bh_qs+0xc0/0xc0 [ 207.081610] ? filemap_map_pages+0xdea/0x1980 [ 207.086113] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 207.091243] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 207.096520] ? debug_object_free+0x325/0x690 [ 207.100944] ? find_get_pages_range_tag+0x1320/0x1320 [ 207.106167] ? graph_lock+0x170/0x170 [ 207.110014] ? kasan_check_read+0x11/0x20 [ 207.114166] ? debug_object_destroy+0x2b0/0x2b0 [ 207.118854] ? lock_acquire+0x1ed/0x520 [ 207.122836] ? ext4_filemap_fault+0x7a/0xad [ 207.127183] ? lock_release+0x970/0x970 [ 207.131167] ? arch_local_save_flags+0x40/0x40 [ 207.135760] ? futex_wait_setup+0x3e0/0x3e0 [ 207.140105] ? down_read+0xb0/0x1d0 [ 207.143746] ? ext4_filemap_fault+0x7a/0xad [ 207.148078] ? __down_interruptible+0x700/0x700 [ 207.152774] ext4_filemap_fault+0x82/0xad [ 207.156932] __do_fault+0x100/0x6b0 [ 207.160567] ? print_bad_pte+0x6c0/0x6c0 [ 207.164636] ? do_futex+0x249/0x26d0 [ 207.168354] ? lock_release+0x970/0x970 [ 207.172332] ? kasan_check_read+0x11/0x20 [ 207.176492] ? pmd_val+0x88/0x100 [ 207.179960] ? add_mm_counter_fast+0xd0/0xd0 [ 207.184370] ? pmd_val+0x88/0x100 [ 207.187840] ? add_mm_counter_fast+0xd0/0xd0 [ 207.192260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.197805] __handle_mm_fault+0x3709/0x53e0 [ 207.202231] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 207.207077] ? graph_lock+0x170/0x170 [ 207.210882] ? print_usage_bug+0xc0/0xc0 [ 207.214951] ? graph_lock+0x170/0x170 [ 207.218759] ? graph_lock+0x170/0x170 [ 207.222588] ? handle_mm_fault+0x42a/0xc70 [ 207.226837] ? lock_downgrade+0x900/0x900 [ 207.230985] ? check_preemption_disabled+0x48/0x200 [ 207.236011] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 207.241806] ? kasan_check_read+0x11/0x20 [ 207.245969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.251278] ? rcu_bh_qs+0xc0/0xc0 [ 207.254843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.260304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.265844] ? check_preemption_disabled+0x48/0x200 [ 207.270875] handle_mm_fault+0x54f/0xc70 [ 207.274943] ? __handle_mm_fault+0x53e0/0x53e0 [ 207.279545] ? find_vma+0x34/0x190 [ 207.283099] __do_page_fault+0x67d/0xed0 [ 207.287170] ? mm_fault_error+0x380/0x380 [ 207.291316] ? trace_hardirqs_off+0xb8/0x310 [ 207.295753] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.301120] ? trace_hardirqs_on+0x310/0x310 [ 207.305534] do_page_fault+0xf2/0x7e0 [ 207.309342] ? vmalloc_sync_all+0x30/0x30 [ 207.313500] ? error_entry+0x70/0xd0 [ 207.317219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 207.322238] ? trace_hardirqs_on_caller+0xc0/0x310 [ 207.327179] ? syscall_return_slowpath+0x5e0/0x5e0 [ 207.332123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.336969] ? trace_hardirqs_on_caller+0x310/0x310 [ 207.342022] ? trace_hardirqs_off+0x310/0x310 [ 207.346550] ? prepare_exit_to_usermode+0x291/0x3b0 [ 207.351581] ? page_fault+0x8/0x30 [ 207.355130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.359980] ? page_fault+0x8/0x30 [ 207.363528] page_fault+0x1e/0x30 [ 207.366984] RIP: 0033:0x45ddf3 [ 207.370179] Code: Bad RIP value. [ 207.373555] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 207.378923] RAX: ffffffffffffff92 RBX: 000000003b97d74e RCX: 000000000045ddf3 [ 207.386190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 207.393462] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 207.400746] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 207.408011] R13: 0000000071249ebe R14: 000000001eaceb88 R15: 0000000027541090 [ 207.415303] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 207.422073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.431449] Call Trace: [ 207.434083] dump_stack+0x1c4/0x2b4 [ 207.436619] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 207.437751] ? dump_stack_print_info.cold.2+0x52/0x52 [ 207.448237] syz-executor3 cpuset=syz3 mems_allowed=0 [ 207.453446] warn_alloc.cold.119+0xb7/0x1bd [ 207.453465] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 207.467692] ? lock_downgrade+0x900/0x900 [ 207.471870] ? trace_hardirqs_off+0xb8/0x310 [ 207.476286] ? trace_hardirqs_off+0xb8/0x310 [ 207.480716] __alloc_pages_slowpath+0x2667/0x2d80 [ 207.485595] ? warn_alloc+0x120/0x120 [ 207.489431] ? warn_alloc+0x120/0x120 [ 207.493242] ? print_usage_bug+0xc0/0xc0 [ 207.497317] ? warn_alloc+0x120/0x120 [ 207.501133] ? print_usage_bug+0xc0/0xc0 [ 207.505198] ? mark_held_locks+0x130/0x130 [ 207.509456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.515007] ? should_fail+0x22d/0xd01 [ 207.518909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.524017] ? __lock_acquire+0x7ec/0x4ec0 [ 207.528266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.533371] ? __lock_acquire+0x7ec/0x4ec0 [ 207.537616] ? should_fail+0x22d/0xd01 [ 207.541538] ? mark_held_locks+0x130/0x130 [ 207.545796] ? mark_held_locks+0x130/0x130 [ 207.550037] ? lock_downgrade+0x900/0x900 [ 207.554189] ? graph_lock+0x170/0x170 [ 207.557993] ? graph_lock+0x170/0x170 [ 207.561797] ? graph_lock+0x170/0x170 [ 207.565600] ? print_usage_bug+0xc0/0xc0 [ 207.569668] ? do_raw_spin_unlock+0xa7/0x2f0 [ 207.574084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.579632] ? check_preemption_disabled+0x48/0x200 [ 207.584651] ? check_preemption_disabled+0x48/0x200 [ 207.589686] ? __lock_is_held+0xb5/0x140 [ 207.593852] __alloc_pages_nodemask+0xa80/0xde0 [ 207.598520] ? graph_lock+0x170/0x170 [ 207.602339] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 207.607353] ? graph_lock+0x170/0x170 [ 207.611182] ? find_held_lock+0x36/0x1c0 [ 207.615269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 207.619942] ? lock_downgrade+0x900/0x900 [ 207.624101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.629644] cache_grow_begin+0x91/0x8c0 [ 207.633712] ? do_raw_spin_unlock+0xa7/0x2f0 [ 207.638158] fallback_alloc+0x203/0x2e0 [ 207.642143] ____cache_alloc_node+0x1c7/0x1e0 [ 207.646644] kmem_cache_alloc_node+0xe3/0x730 [ 207.651140] ? __kmalloc_node_track_caller+0x47/0x70 [ 207.656262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.661822] __alloc_skb+0x119/0x770 [ 207.665548] ? skb_scrub_packet+0x490/0x490 [ 207.669887] ? vprintk_default+0x28/0x30 [ 207.673954] ? vprintk_func+0x85/0x181 [ 207.677844] ? printk+0xa7/0xcf [ 207.681124] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 207.685883] ? try_to_wake_up+0x10a/0x12f0 [ 207.690313] new_skb+0x26/0x1c0 [ 207.693597] aoecmd_cfg+0x279/0x7f0 [ 207.697242] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 207.701569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.707123] ? check_preemption_disabled+0x48/0x200 [ 207.712142] ? check_preemption_disabled+0x48/0x200 [ 207.717169] ? __lock_is_held+0xb5/0x140 [ 207.721250] discover_timer+0x50/0x60 [ 207.725063] call_timer_fn+0x272/0x920 [ 207.728966] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.733827] ? process_timeout+0x40/0x40 [ 207.737889] ? find_held_lock+0x36/0x1c0 [ 207.741961] ? __run_timers+0x7da/0xc70 [ 207.745939] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.750442] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.754942] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.759886] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 207.764487] ? trace_hardirqs_on+0xbd/0x310 [ 207.768832] ? kasan_check_read+0x11/0x20 [ 207.772994] ? __run_timers+0x7da/0xc70 [ 207.776980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.782464] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.787317] __run_timers+0x7e5/0xc70 [ 207.791123] ? find_held_lock+0x36/0x1c0 [ 207.795211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 207.800592] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.805091] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.809593] ? lockdep_hardirqs_on+0x421/0x5c0 [ 207.814193] ? trace_hardirqs_on+0xbd/0x310 [ 207.818531] ? kasan_check_read+0x11/0x20 [ 207.822688] ? finish_task_switch+0x1f5/0x900 [ 207.827203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.832659] ? compat_start_thread+0x80/0x80 [ 207.837092] ? pvclock_read_flags+0x160/0x160 [ 207.841589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.847135] ? check_preemption_disabled+0x48/0x200 [ 207.852162] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 207.857701] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.862995] ? rcu_pm_notify+0xc0/0xc0 [ 207.866915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.872459] ? check_preemption_disabled+0x48/0x200 [ 207.877490] run_timer_softirq+0x52/0xb0 [ 207.881554] ? rcu_read_lock_sched_held+0x108/0x120 [ 207.886570] __do_softirq+0x30b/0xad8 [ 207.890379] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 207.895510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.900278] ? schedule+0x108/0x460 [ 207.903918] ? trace_hardirqs_off+0xb8/0x310 [ 207.908587] ? smpboot_thread_fn+0x68b/0xa00 [ 207.912999] ? trace_hardirqs_on+0x310/0x310 [ 207.917414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.922973] ? check_preemption_disabled+0x48/0x200 [ 207.927993] ? takeover_tasklets+0xa90/0xa90 [ 207.932432] run_ksoftirqd+0x94/0x100 [ 207.936237] smpboot_thread_fn+0x68b/0xa00 [ 207.940474] ? sort_range+0x30/0x30 [ 207.944101] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 207.949206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.954745] ? __kthread_parkme+0xfb/0x1a0 [ 207.958987] kthread+0x35a/0x420 [ 207.962355] ? sort_range+0x30/0x30 [ 207.965981] ? kthread_bind+0x40/0x40 [ 207.969826] ret_from_fork+0x3a/0x50 [ 207.973555] warn_alloc_show_mem: 1 callbacks suppressed [ 207.973569] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 207.973571] Mem-Info: [ 207.973601] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 207.973601] active_file:13 inactive_file:14 isolated_file:0 [ 207.973601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 207.973601] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 207.973601] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 207.973601] free:13777 free_pcp:213 free_cma:0 [ 207.978962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.986161] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 207.988566] Call Trace: [ 208.021448] Node 0 [ 208.030814] dump_stack+0x1c4/0x2b4 [ 208.058311] 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 [ 208.060876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 208.063088] lowmem_reserve[]: [ 208.066721] warn_alloc.cold.119+0xb7/0x1bd [ 208.092196] 0 [ 208.097391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.100471] 2819 [ 208.104790] ? lock_downgrade+0x900/0x900 [ 208.106568] 6323 [ 208.111437] ? trace_hardirqs_off+0xb8/0x310 [ 208.113473] 6323 [ 208.117625] ? trace_hardirqs_off+0xb8/0x310 [ 208.124091] __alloc_pages_slowpath+0x2667/0x2d80 [ 208.126125] Node 0 [ 208.130559] ? warn_alloc+0x120/0x120 [ 208.135375] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 208.137588] ? attach_entity_load_avg+0x860/0x860 [ 208.141359] lowmem_reserve[]: 0 [ 208.168523] ? warn_alloc+0x120/0x120 [ 208.173347] 0 [ 208.176625] ? print_usage_bug+0xc0/0xc0 [ 208.180406] 3503 [ 208.182236] ? warn_alloc+0x120/0x120 [ 208.186267] 3503 [ 208.188363] ? print_usage_bug+0xc0/0xc0 [ 208.194237] ? rb_erase+0x3710/0x3710 [ 208.198277] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:36kB free_cma:0kB [ 208.202128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.202148] ? should_fail+0x22d/0xd01 [ 208.230932] lowmem_reserve[]: 0 [ 208.236480] ? graph_lock+0x170/0x170 [ 208.240344] 0 [ 208.243621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.247397] 0 [ 208.249204] ? __lock_acquire+0x7ec/0x4ec0 [ 208.254283] 0 [ 208.256081] ? should_fail+0x22d/0xd01 [ 208.262107] ? mark_held_locks+0x130/0x130 [ 208.265968] Node 0 DMA: [ 208.270200] ? mark_held_locks+0x130/0x130 [ 208.270224] ? __lock_acquire+0x7ec/0x4ec0 [ 208.272871] 1*4kB [ 208.277105] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 208.281315] (U) [ 208.283465] ? graph_lock+0x170/0x170 [ 208.289238] 0*8kB [ 208.291219] ? graph_lock+0x170/0x170 [ 208.294994] 0*16kB [ 208.297143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.300920] 1*32kB [ 208.303159] ? check_preemption_disabled+0x48/0x200 [ 208.308666] (U) 2*64kB [ 208.310914] ? check_preemption_disabled+0x48/0x200 [ 208.315904] (U) [ 208.318498] ? __lock_is_held+0xb5/0x140 [ 208.323491] 1*128kB [ 208.325477] __alloc_pages_nodemask+0xa80/0xde0 [ 208.329514] (U) [ 208.331858] ? graph_lock+0x170/0x170 [ 208.336511] 1*256kB [ 208.338502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 208.342280] (U) [ 208.344602] ? graph_lock+0x170/0x170 [ 208.349596] 0*512kB [ 208.351581] ? find_held_lock+0x36/0x1c0 [ 208.355355] 1*1024kB [ 208.357681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 208.361714] (U) [ 208.364122] ? lock_downgrade+0x900/0x900 [ 208.368770] 1*2048kB [ 208.370747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 208.374867] (M) [ 208.377278] cache_grow_begin+0x91/0x8c0 [ 208.382790] 3*4096kB [ 208.384770] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.388810] (M) [ 208.391231] fallback_alloc+0x203/0x2e0 [ 208.395610] = 15908kB [ 208.397593] ____cache_alloc_node+0x1c7/0x1e0 [ 208.401557] Node 0 [ 208.403966] kmem_cache_alloc+0x1f8/0x730 [ 208.408462] DMA32: [ 208.410713] skb_clone+0x1bb/0x500 [ 208.414835] 4*4kB [ 208.417086] ? finish_task_switch+0x1b5/0x900 [ 208.420598] (M) [ 208.422761] ? skb_split+0x11e0/0x11e0 [ 208.427233] 1*8kB [ 208.429216] ? preempt_notifier_register+0x200/0x200 [ 208.433076] (U) [ 208.435226] ? __switch_to_asm+0x34/0x70 [ 208.440315] 3*16kB [ 208.442289] ? __switch_to_asm+0x34/0x70 [ 208.446327] (UM) [ 208.448565] ? __switch_to_asm+0x40/0x70 [ 208.452609] 3*32kB [ 208.454671] ? __switch_to_asm+0x34/0x70 [ 208.458727] (UM) [ 208.460970] ? __switch_to_asm+0x40/0x70 [ 208.465007] 5*64kB (UM) [ 208.467079] ? __switch_to_asm+0x34/0x70 [ 208.471111] 3*128kB (M) [ 208.473794] ? __switch_to_asm+0x40/0x70 [ 208.477825] 3*256kB (M) [ 208.480508] ? __switch_to_asm+0x34/0x70 [ 208.484547] 4*512kB [ 208.487224] ? __switch_to_asm+0x34/0x70 [ 208.491256] (UM) [ 208.493582] ? __switch_to_asm+0x40/0x70 [ 208.497631] 3*1024kB [ 208.499693] ? __switch_to_asm+0x34/0x70 [ 208.503769] (UM) [ 208.506181] bpf_clone_redirect+0xb9/0x490 [ 208.510211] 1*2048kB (M) [ 208.512286] ? __schedule+0x874/0x1ed0 [ 208.516501] 4*4096kB [ 208.519259] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 208.523124] (M) [ 208.525552] ? __sched_text_start+0x8/0x8 [ 208.530550] = 25192kB [ 208.532530] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.536654] Node 0 [ 208.539070] ? find_held_lock+0x36/0x1c0 [ 208.543794] Normal: [ 208.546032] ? lock_acquire+0x1ed/0x520 [ 208.550067] 824*4kB [ 208.552388] ? bpf_test_run+0x32e/0x5a0 [ 208.556340] (MEH) [ 208.558667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.562641] 371*8kB [ 208.564793] ? check_preemption_disabled+0x48/0x200 [ 208.570305] (ME) [ 208.572627] ? kasan_check_read+0x11/0x20 [ 208.577623] 164*16kB [ 208.579684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 208.583803] (ME) [ 208.586221] ? rcu_bh_qs+0xc0/0xc0 [ 208.591471] 69*32kB [ 208.593531] ? preempt_schedule+0x4d/0x60 [ 208.597045] (UMEH) [ 208.599368] ? ___preempt_schedule+0x16/0x18 [ 208.603513] 28*64kB [ 208.605750] ? bpf_test_run+0x1c0/0x5a0 [ 208.610140] (M) 1*128kB [ 208.612482] ? netlink_diag_dump+0x2a0/0x2a0 [ 208.616434] (M) [ 208.619107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.623524] 0*256kB [ 208.625500] ? bpf_test_init.isra.9+0x70/0x100 [ 208.631016] 0*512kB [ 208.633340] ? bpf_prog_test_run_skb+0x634/0xb40 [ 208.637903] 1*1024kB [ 208.640256] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.644989] (H) [ 208.647413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 208.652239] 0*2048kB [ 208.654236] ? fput+0x130/0x1a0 [ 208.659762] 0*4096kB [ 208.662171] ? __bpf_prog_get+0x9b/0x290 [ 208.665436] = 14040kB [ 208.667845] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.671889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 208.674313] ? bpf_prog_test_run+0x130/0x1a0 [ 208.679144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 208.687980] ? __x64_sys_bpf+0x3d8/0x510 [ 208.692371] 146 total pagecache pages [ 208.700945] ? bpf_prog_get+0x20/0x20 [ 208.704992] 0 pages in swap cache [ 208.708807] ? do_syscall_64+0x1b9/0x820 [ 208.712573] Swap cache stats: add 0, delete 0, find 0/0 [ 208.716022] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 208.720061] Free swap = 0kB [ 208.725438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 208.730781] Total swap = 0kB [ 208.730791] 1965979 pages RAM [ 208.733819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.738735] 0 pages HighMem/MovableOnly [ 208.741754] ? trace_hardirqs_on_caller+0x310/0x310 [ 208.744838] 342307 pages reserved [ 208.749678] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 208.753633] 0 pages cma reserved [ 208.758650] ? prepare_exit_to_usermode+0x291/0x3b0 [ 208.762158] aoe: skb alloc failure [ 208.767100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.767126] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 208.767152] Mem-Info: [ 208.770524] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 208.775544] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 208.775544] active_file:13 inactive_file:14 isolated_file:0 [ 208.775544] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.775544] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 208.775544] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 208.775544] free:13777 free_pcp:213 free_cma:0 [ 208.779045] ksoftirqd/0 cpuset= [ 208.783908] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 208.789248] / [ 208.791649] Node 0 [ 208.802092] mems_allowed=0 [ 208.834992] 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 [ 208.838241] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 208.865723] lowmem_reserve[]: 0 [ 208.867445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.867454] Call Trace: [ 208.869694] 2819 [ 208.872630] dump_stack+0x1c4/0x2b4 [ 208.898100] 6323 6323 [ 208.904874] ? dump_stack_print_info.cold.2+0x52/0x52 [ 208.917502] warn_alloc.cold.119+0xb7/0x1bd [ 208.920077] Node 0 [ 208.922141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.925774] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 208.928243] ? lock_downgrade+0x900/0x900 [ 208.933405] lowmem_reserve[]: 0 [ 208.937756] ? trace_hardirqs_off+0xb8/0x310 [ 208.939963] 0 3503 [ 208.944812] ? trace_hardirqs_off+0xb8/0x310 [ 208.971767] 3503 [ 208.975927] __alloc_pages_slowpath+0x2667/0x2d80 [ 208.979195] Node 0 [ 208.983639] ? warn_alloc+0x120/0x120 [ 208.985863] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 208.990241] ? warn_alloc+0x120/0x120 [ 208.992284] lowmem_reserve[]: [ 208.997122] ? print_usage_bug+0xc0/0xc0 [ 208.999331] 0 0 [ 209.003143] ? warn_alloc+0x120/0x120 [ 209.031395] 0 0 [ 209.035230] ? print_usage_bug+0xc0/0xc0 [ 209.042373] ? mark_held_locks+0x130/0x130 [ 209.044333] Node 0 [ 209.048134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.050087] DMA: [ 209.054149] ? should_fail+0x22d/0xd01 [ 209.058409] 1*4kB [ 209.060653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.066166] (U) [ 209.068222] ? __lock_acquire+0x7ec/0x4ec0 [ 209.068242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.072110] 0*8kB [ 209.074271] ? __lock_acquire+0x7ec/0x4ec0 [ 209.079354] 0*16kB [ 209.081325] ? should_fail+0x22d/0xd01 [ 209.085546] 1*32kB (U) [ 209.090657] ? mark_held_locks+0x130/0x130 [ 209.092780] 2*64kB [ 209.097027] ? mark_held_locks+0x130/0x130 [ 209.099244] (U) [ 209.103126] ? lock_downgrade+0x900/0x900 [ 209.105690] 1*128kB [ 209.109932] ? graph_lock+0x170/0x170 [ 209.112149] (U) [ 209.116380] ? graph_lock+0x170/0x170 [ 209.118340] 1*256kB [ 209.122480] ? graph_lock+0x170/0x170 [ 209.124790] (U) [ 209.128592] ? print_usage_bug+0xc0/0xc0 [ 209.130547] 0*512kB [ 209.134344] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.136645] 1*1024kB [ 209.140462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.142425] (U) [ 209.146488] ? check_preemption_disabled+0x48/0x200 [ 209.148789] 1*2048kB [ 209.153194] ? check_preemption_disabled+0x48/0x200 [ 209.155589] (M) [ 209.161126] ? __lock_is_held+0xb5/0x140 [ 209.163080] 3*4096kB [ 209.168104] __alloc_pages_nodemask+0xa80/0xde0 [ 209.170495] (M) [ 209.175509] ? graph_lock+0x170/0x170 [ 209.177468] = 15908kB [ 209.181528] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.183920] Node 0 [ 209.188588] ? graph_lock+0x170/0x170 [ 209.190544] DMA32: [ 209.194349] ? find_held_lock+0x36/0x1c0 [ 209.196737] 4*4kB [ 209.201753] ? ____cache_alloc_node+0x1c7/0x1e0 [ 209.203964] (M) [ 209.207772] ? lock_downgrade+0x900/0x900 [ 209.210002] 1*8kB [ 209.214066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.216202] (U) [ 209.220870] cache_grow_begin+0x91/0x8c0 [ 209.222824] 3*16kB [ 209.226972] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.229093] (UM) 3*32kB [ 209.234643] fallback_alloc+0x203/0x2e0 [ 209.236609] (UM) [ 209.240670] ____cache_alloc_node+0x1c7/0x1e0 [ 209.242894] 5*64kB [ 209.247299] kmem_cache_alloc_node+0xe3/0x730 [ 209.249951] (UM) [ 209.253934] ? __kmalloc_node_track_caller+0x47/0x70 [ 209.255978] 3*128kB [ 209.260471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.262684] (M) [ 209.267185] __alloc_skb+0x119/0x770 [ 209.269232] 3*256kB [ 209.274341] ? skb_scrub_packet+0x490/0x490 [ 209.276656] (M) [ 209.282198] ? vprintk_default+0x28/0x30 [ 209.284150] 4*512kB [ 209.287856] ? vprintk_func+0x85/0x181 [ 209.290160] (UM) [ 209.294478] ? printk+0xa7/0xcf [ 209.296444] 3*1024kB [ 209.300510] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 209.302821] (UM) [ 209.306706] ? try_to_wake_up+0x10a/0x12f0 [ 209.308755] 1*2048kB [ 209.312041] new_skb+0x26/0x1c0 [ 209.314435] (M) [ 209.319191] aoecmd_cfg+0x279/0x7f0 [ 209.321240] 4*4096kB [ 209.325486] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 209.327875] (M) [ 209.331157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.333112] = 25192kB [ 209.336741] ? check_preemption_disabled+0x48/0x200 [ 209.339125] Node 0 [ 209.343474] ? check_preemption_disabled+0x48/0x200 [ 209.345434] Normal: [ 209.350979] ? __lock_is_held+0xb5/0x140 [ 209.353364] 824*4kB [ 209.358397] discover_timer+0x50/0x60 [ 209.360609] (MEH) [ 209.365623] call_timer_fn+0x272/0x920 [ 209.367921] 371*8kB (ME) [ 209.372005] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 209.374316] 164*16kB [ 209.378116] ? process_timeout+0x40/0x40 [ 209.380247] (ME) [ 209.384136] ? find_held_lock+0x36/0x1c0 [ 209.386872] 69*32kB [ 209.391719] ? __run_timers+0x7da/0xc70 [ 209.394093] (UMEH) 28*64kB [ 209.398181] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.400225] (M) 1*128kB [ 209.404296] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.406602] (M) [ 209.410589] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 209.413502] 0*256kB [ 209.418005] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 209.420653] 0*512kB [ 209.425155] ? trace_hardirqs_on+0xbd/0x310 [ 209.427118] 1*1024kB [ 209.431952] ? kasan_check_read+0x11/0x20 [ 209.434254] (H) [ 209.438833] ? __run_timers+0x7da/0xc70 [ 209.441160] 0*2048kB [ 209.445489] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.447877] 0*4096kB [ 209.452025] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 209.453974] = 14040kB [ 209.457943] __run_timers+0x7e5/0xc70 [ 209.460338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 209.465776] ? find_held_lock+0x36/0x1c0 [ 209.468180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 209.473026] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.475426] 146 total pagecache pages [ 209.479236] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.488056] 0 pages in swap cache [ 209.492131] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.500683] Swap cache stats: add 0, delete 0, find 0/0 [ 209.500693] Free swap = 0kB [ 209.506076] ? lockdep_hardirqs_on+0x421/0x5c0 [ 209.509853] Total swap = 0kB [ 209.514344] ? trace_hardirqs_on+0xbd/0x310 [ 209.517780] 1965979 pages RAM [ 209.522275] ? kasan_check_read+0x11/0x20 [ 209.527618] 0 pages HighMem/MovableOnly [ 209.530633] ? finish_task_switch+0x1f5/0x900 [ 209.535196] 342307 pages reserved [ 209.538212] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.542516] 0 pages cma reserved [ 209.545617] ? compat_start_thread+0x80/0x80 [ 209.570955] Mem-Info: [ 209.574873] ? pvclock_read_flags+0x160/0x160 [ 209.577332] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 209.577332] active_file:13 inactive_file:14 isolated_file:0 [ 209.577332] unevictable:0 dirty:0 writeback:0 unstable:0 [ 209.577332] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 209.577332] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 209.577332] free:13777 free_pcp:213 free_cma:0 [ 209.581803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.614771] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 209.620233] ? check_preemption_disabled+0x48/0x200 [ 209.620265] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 209.647779] Node 0 [ 209.652763] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.652781] ? rcu_pm_notify+0xc0/0xc0 [ 209.658362] 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 [ 209.660544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.665801] lowmem_reserve[]: [ 209.669715] ? check_preemption_disabled+0x48/0x200 [ 209.669746] run_timer_softirq+0x52/0xb0 [ 209.669764] ? rcu_read_lock_sched_held+0x108/0x120 [ 209.695415] 0 [ 209.700940] __do_softirq+0x30b/0xad8 [ 209.700984] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 209.704077] 2819 [ 209.709098] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.709121] ? schedule+0x108/0x460 [ 209.709145] ? trace_hardirqs_off+0xb8/0x310 [ 209.713198] 6323 [ 209.718207] ? smpboot_thread_fn+0x68b/0xa00 [ 209.718221] ? trace_hardirqs_on+0x310/0x310 [ 209.718236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.718254] ? check_preemption_disabled+0x48/0x200 [ 209.720037] 6323 [ 209.723848] ? takeover_tasklets+0xa90/0xa90 [ 209.730996] run_ksoftirqd+0x94/0x100 [ 209.735732] Node 0 [ 209.739351] smpboot_thread_fn+0x68b/0xa00 [ 209.739367] ? sort_range+0x30/0x30 [ 209.739387] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 209.743811] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 209.745844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.750263] lowmem_reserve[]: [ 209.754658] ? __kthread_parkme+0xfb/0x1a0 [ 209.760189] 0 [ 209.765180] kthread+0x35a/0x420 [ 209.767259] 0 [ 209.771636] ? sort_range+0x30/0x30 [ 209.775427] 3503 [ 209.777655] ? kthread_bind+0x40/0x40 [ 209.777673] ret_from_fork+0x3a/0x50 [ 209.777782] aoe: skb alloc failure [ 209.781923] 3503 [ 209.785586] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.790855] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.817626] ksoftirqd/0 cpuset= [ 209.823152] syz-fuzzer cpuset= [ 209.826243] / mems_allowed=0 [ 209.883291] / mems_allowed=0 [ 209.886319] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 209.896057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.905437] Call Trace: [ 209.908032] dump_stack+0x1c4/0x2b4 [ 209.911682] ? dump_stack_print_info.cold.2+0x52/0x52 [ 209.916890] warn_alloc.cold.119+0xb7/0x1bd [ 209.921217] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 209.926065] ? lock_downgrade+0x900/0x900 [ 209.930225] ? trace_hardirqs_off+0xb8/0x310 [ 209.934681] ? trace_hardirqs_off+0xb8/0x310 [ 209.939102] __alloc_pages_slowpath+0x2667/0x2d80 [ 209.943974] ? warn_alloc+0x120/0x120 [ 209.947793] ? warn_alloc+0x120/0x120 [ 209.951597] ? print_usage_bug+0xc0/0xc0 [ 209.955661] ? warn_alloc+0x120/0x120 [ 209.959463] ? print_usage_bug+0xc0/0xc0 [ 209.963546] ? mark_held_locks+0x130/0x130 [ 209.967799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.973336] ? should_fail+0x22d/0xd01 [ 209.977231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.982336] ? __lock_acquire+0x7ec/0x4ec0 [ 209.986578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.991682] ? __lock_acquire+0x7ec/0x4ec0 [ 209.995943] ? should_fail+0x22d/0xd01 [ 209.999850] ? mark_held_locks+0x130/0x130 [ 210.004096] ? mark_held_locks+0x130/0x130 [ 210.008370] ? lock_downgrade+0x900/0x900 [ 210.012531] ? graph_lock+0x170/0x170 [ 210.016335] ? graph_lock+0x170/0x170 [ 210.020138] ? graph_lock+0x170/0x170 [ 210.023944] ? print_usage_bug+0xc0/0xc0 [ 210.028021] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.032446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.037996] ? check_preemption_disabled+0x48/0x200 [ 210.043012] ? check_preemption_disabled+0x48/0x200 [ 210.048038] ? __lock_is_held+0xb5/0x140 [ 210.052129] __alloc_pages_nodemask+0xa80/0xde0 [ 210.056810] ? graph_lock+0x170/0x170 [ 210.060615] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.065650] ? graph_lock+0x170/0x170 [ 210.069471] ? find_held_lock+0x36/0x1c0 [ 210.073545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.078228] ? lock_downgrade+0x900/0x900 [ 210.082398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.087949] cache_grow_begin+0x91/0x8c0 [ 210.092014] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.096453] fallback_alloc+0x203/0x2e0 [ 210.100467] ____cache_alloc_node+0x1c7/0x1e0 [ 210.104976] kmem_cache_alloc_node+0xe3/0x730 [ 210.109475] ? __kmalloc_node_track_caller+0x47/0x70 [ 210.114583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.120129] __alloc_skb+0x119/0x770 [ 210.123870] ? skb_scrub_packet+0x490/0x490 [ 210.128221] ? vprintk_default+0x28/0x30 [ 210.132285] ? vprintk_func+0x85/0x181 [ 210.136184] ? printk+0xa7/0xcf [ 210.139467] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 210.144232] ? try_to_wake_up+0x10a/0x12f0 [ 210.148521] new_skb+0x26/0x1c0 [ 210.151806] aoecmd_cfg+0x279/0x7f0 [ 210.155449] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 210.159787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.165325] ? check_preemption_disabled+0x48/0x200 [ 210.170354] ? check_preemption_disabled+0x48/0x200 [ 210.175396] ? __lock_is_held+0xb5/0x140 [ 210.179485] discover_timer+0x50/0x60 [ 210.183294] call_timer_fn+0x272/0x920 [ 210.187181] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.192024] ? process_timeout+0x40/0x40 [ 210.196088] ? find_held_lock+0x36/0x1c0 [ 210.200185] ? __run_timers+0x7da/0xc70 [ 210.204186] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.208680] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.213180] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.218026] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 210.222625] ? trace_hardirqs_on+0xbd/0x310 [ 210.226943] ? kasan_check_read+0x11/0x20 [ 210.231095] ? __run_timers+0x7da/0xc70 [ 210.235091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 210.240555] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.245409] __run_timers+0x7e5/0xc70 [ 210.249247] ? find_held_lock+0x36/0x1c0 [ 210.253332] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 210.258702] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.263202] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.267701] ? lockdep_hardirqs_on+0x421/0x5c0 [ 210.272299] ? trace_hardirqs_on+0xbd/0x310 [ 210.276623] ? kasan_check_read+0x11/0x20 [ 210.280783] ? finish_task_switch+0x1f5/0x900 [ 210.285297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 210.290775] ? compat_start_thread+0x80/0x80 [ 210.295205] ? pvclock_read_flags+0x160/0x160 [ 210.299743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.305309] ? check_preemption_disabled+0x48/0x200 [ 210.310335] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 210.315901] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 210.321183] ? rcu_pm_notify+0xc0/0xc0 [ 210.325071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.330610] ? check_preemption_disabled+0x48/0x200 [ 210.335634] run_timer_softirq+0x52/0xb0 [ 210.339698] ? rcu_read_lock_sched_held+0x108/0x120 [ 210.344731] __do_softirq+0x30b/0xad8 [ 210.348551] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 210.353658] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 210.358430] ? schedule+0x108/0x460 [ 210.362071] ? trace_hardirqs_off+0xb8/0x310 [ 210.366490] ? smpboot_thread_fn+0x68b/0xa00 [ 210.370898] ? trace_hardirqs_on+0x310/0x310 [ 210.375308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.380863] ? check_preemption_disabled+0x48/0x200 [ 210.385890] ? takeover_tasklets+0xa90/0xa90 [ 210.390302] run_ksoftirqd+0x94/0x100 [ 210.394108] smpboot_thread_fn+0x68b/0xa00 [ 210.398355] ? sort_range+0x30/0x30 [ 210.401985] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.407095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.412636] ? __kthread_parkme+0xfb/0x1a0 [ 210.416878] kthread+0x35a/0x420 [ 210.420247] ? sort_range+0x30/0x30 [ 210.423877] ? kthread_bind+0x40/0x40 [ 210.427691] ret_from_fork+0x3a/0x50 [ 210.431449] warn_alloc_show_mem: 1 callbacks suppressed [ 210.431461] CPU: 1 PID: 5374 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #66 [ 210.431463] Mem-Info: [ 210.431498] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 210.431498] active_file:13 inactive_file:14 isolated_file:0 [ 210.431498] unevictable:0 dirty:0 writeback:0 unstable:0 [ 210.431498] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 210.431498] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 210.431498] free:13777 free_pcp:213 free_cma:0 [ 210.436848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.436862] Call Trace: [ 210.443797] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 210.446212] [ 210.479071] Node 0 [ 210.488447] dump_stack+0x1c4/0x2b4 [ 210.491029] 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 [ 210.518503] ? dump_stack_print_info.cold.2+0x52/0x52 [ 210.520639] lowmem_reserve[]: [ 210.522885] warn_alloc.cold.119+0xb7/0x1bd [ 210.526481] 0 [ 210.551981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.557149] 2819 [ 210.560252] ? lock_downgrade+0x900/0x900 [ 210.564550] 6323 [ 210.566370] ? trace_hardirqs_off+0xb8/0x310 [ 210.571188] 6323 [ 210.573270] ? trace_hardirqs_off+0xb8/0x310 [ 210.579517] __alloc_pages_slowpath+0x2667/0x2d80 [ 210.583910] Node 0 [ 210.585997] ? warn_alloc+0x120/0x120 [ 210.590384] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 210.595200] ? warn_alloc+0x120/0x120 [ 210.597406] lowmem_reserve[]: 0 [ 210.601235] ? print_usage_bug+0xc0/0xc0 [ 210.628358] 0 3503 [ 210.632170] ? warn_alloc+0x120/0x120 [ 210.635455] 3503 [ 210.639539] ? print_usage_bug+0xc0/0xc0 [ 210.645593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.647631] Node 0 [ 210.651691] ? should_fail+0x22d/0xd01 [ 210.657241] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:36kB free_cma:0kB [ 210.659469] ? lock_downgrade+0x900/0x900 [ 210.663328] lowmem_reserve[]: 0 [ 210.691532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.695669] 0 0 [ 210.698981] ? __lock_acquire+0x7ec/0x4ec0 [ 210.704062] 0 [ 210.706042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.712057] ? __lock_acquire+0x7ec/0x4ec0 [ 210.717137] Node 0 [ 210.721360] ? should_fail+0x22d/0xd01 [ 210.721370] DMA: [ 210.723606] ? mark_held_locks+0x130/0x130 [ 210.727479] 1*4kB [ 210.729577] ? mark_held_locks+0x130/0x130 [ 210.733796] (U) [ 210.735954] ? select_task_rq_fair+0x754/0x3500 [ 210.740169] 0*8kB [ 210.742146] ? lock_downgrade+0x900/0x900 [ 210.746808] 0*16kB [ 210.748983] ? check_preemption_disabled+0x48/0x200 [ 210.753109] 1*32kB (U) [ 210.755354] ? graph_lock+0x170/0x170 [ 210.760392] 2*64kB (U) [ 210.762997] ? print_usage_bug+0xc0/0xc0 [ 210.766777] 1*128kB (U) [ 210.769371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.773445] 1*256kB (U) [ 210.776123] ? check_preemption_disabled+0x48/0x200 [ 210.781650] 0*512kB [ 210.784321] ? check_preemption_disabled+0x48/0x200 [ 210.789313] 1*1024kB [ 210.791650] ? __lock_is_held+0xb5/0x140 [ 210.796738] (U) 1*2048kB [ 210.799173] __alloc_pages_nodemask+0xa80/0xde0 [ 210.803208] (M) [ 210.805986] ? graph_lock+0x170/0x170 [ 210.810641] 3*4096kB [ 210.812616] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.816404] (M) [ 210.818836] ? graph_lock+0x170/0x170 [ 210.823840] = 15908kB [ 210.823848] Node 0 [ 210.825829] ? find_held_lock+0x36/0x1c0 [ 210.829595] DMA32: 4*4kB [ 210.832020] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.834226] (M) 1*8kB [ 210.838304] ? lock_downgrade+0x900/0x900 [ 210.841040] (U) [ 210.845709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.848190] 3*16kB [ 210.852340] cache_grow_begin+0x91/0x8c0 [ 210.854293] (UM) [ 210.859844] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.862064] 3*32kB [ 210.866125] fallback_alloc+0x203/0x2e0 [ 210.868162] (UM) [ 210.872571] ____cache_alloc_node+0x1c7/0x1e0 [ 210.874792] 5*64kB [ 210.878764] kmem_cache_alloc_node+0xe3/0x730 [ 210.880808] (UM) [ 210.885304] ? ipv6_get_ifaddr+0x42e/0x620 [ 210.887515] 3*128kB (M) [ 210.892023] __alloc_skb+0x119/0x770 [ 210.894055] 3*256kB (M) [ 210.898297] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 210.900948] 4*512kB [ 210.904656] ? skb_scrub_packet+0x490/0x490 [ 210.907334] (UM) [ 210.912610] ? lock_downgrade+0x900/0x900 [ 210.914917] 3*1024kB [ 210.919237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.921274] (UM) [ 210.925428] ? refcount_sub_and_test_checked+0x203/0x310 [ 210.927812] 1*2048kB (M) [ 210.933356] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 210.935402] 4*4096kB [ 210.940855] ? addrconf_rs_timer+0x690/0x690 [ 210.943602] (M) [ 210.949057] ndisc_alloc_skb+0x144/0x340 [ 210.951460] = 25192kB [ 210.955878] ndisc_send_rs+0x331/0x6e0 [ 210.957831] Node 0 [ 210.961892] addrconf_rs_timer+0x314/0x690 [ 210.964280] Normal: [ 210.968182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.970399] 824*4kB [ 210.974649] call_timer_fn+0x272/0x920 [ 210.976957] (MEH) [ 210.981200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.983506] 371*8kB [ 210.987392] ? process_timeout+0x40/0x40 [ 210.989532] (ME) [ 210.993783] ? find_held_lock+0x36/0x1c0 [ 210.996079] 164*16kB (ME) [ 211.000150] ? mark_held_locks+0xc7/0x130 [ 211.002190] 69*32kB [ 211.006248] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.009069] (UMEH) [ 211.013218] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.015508] 28*64kB (M) [ 211.020006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.022214] 1*128kB (M) [ 211.026710] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 211.026729] ? trace_hardirqs_on+0xbd/0x310 [ 211.029385] 0*256kB 0*512kB [ 211.033633] ? kasan_check_read+0x11/0x20 [ 211.036282] 1*1024kB (H) [ 211.040873] ? __run_timers+0x7da/0xc70 [ 211.045182] 0*2048kB 0*4096kB [ 211.048252] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.052389] = 14040kB [ 211.055174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.059121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.062327] __run_timers+0x7e5/0xc70 [ 211.067765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 211.070174] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 211.074388] 146 total pagecache pages [ 211.083224] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 211.087007] 0 pages in swap cache [ 211.095581] ? graph_lock+0x170/0x170 [ 211.100932] Swap cache stats: add 0, delete 0, find 0/0 [ 211.104793] ? print_usage_bug+0xc0/0xc0 [ 211.109793] Free swap = 0kB [ 211.113261] ? lock_release+0x970/0x970 [ 211.117052] Total swap = 0kB [ 211.122412] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 211.126480] 1965979 pages RAM [ 211.129502] ? find_held_lock+0x36/0x1c0 [ 211.133457] 0 pages HighMem/MovableOnly [ 211.133467] 342307 pages reserved [ 211.136484] ? graph_lock+0x170/0x170 [ 211.141655] 0 pages cma reserved [ 211.144761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.148891] aoe: skb alloc failure [ 211.152785] ? check_preemption_disabled+0x48/0x200 [ 211.156272] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.160049] ? __lock_is_held+0xb5/0x140 [ 211.163387] ksoftirqd/0 cpuset= [ 211.168935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.172452] / [ 211.177473] ? check_preemption_disabled+0x48/0x200 [ 211.187774] mems_allowed=0 [ 211.191839] run_timer_softirq+0x52/0xb0 [ 211.214313] ? rcu_read_lock_sched_held+0x108/0x120 [ 211.219361] __do_softirq+0x30b/0xad8 [ 211.223186] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 211.228337] ? pvclock_read_flags+0x160/0x160 [ 211.232833] ? lapic_next_event+0x5a/0x90 [ 211.236987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.242529] ? check_preemption_disabled+0x48/0x200 [ 211.247551] ? check_preemption_disabled+0x48/0x200 [ 211.252576] ? kvm_clock_read+0x18/0x30 [ 211.256553] ? kvm_sched_clock_read+0x9/0x20 [ 211.260981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.266525] ? check_preemption_disabled+0x48/0x200 [ 211.271573] irq_exit+0x17f/0x1c0 [ 211.275064] smp_apic_timer_interrupt+0x1cb/0x760 [ 211.279908] ? smp_reschedule_interrupt+0x109/0x650 [ 211.284934] ? smp_call_function_single_interrupt+0x650/0x650 [ 211.290838] ? interrupt_entry+0xb5/0xf0 [ 211.294913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 211.299932] ? trace_hardirqs_off_caller+0xbb/0x310 [ 211.304960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.309812] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.314835] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.319862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.325408] ? check_preemption_disabled+0x48/0x200 [ 211.330451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.336015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.340872] apic_timer_interrupt+0xf/0x20 [ 211.345104] [ 211.347349] RIP: 0010:console_unlock+0xfdf/0x1160 [ 211.352199] Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 9d 54 cd 07 00 0f 84 bc 00 00 00 e8 5a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 bb aa 5d 00 [ 211.371115] RSP: 0000:ffff8801bc33d4c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 211.378839] RAX: ffff8801d89ea340 RBX: 0000000000000200 RCX: 1ffff1003b13d586 [ 211.386132] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 211.393405] RBP: ffff8801bc33d630 R08: ffff8801d89eac30 R09: 0000000000000006 [ 211.400697] R10: 0000000000000000 R11: ffff8801d89ea340 R12: dffffc0000000000 [ 211.407974] R13: ffffffff84882a00 R14: dffffc0000000000 R15: ffffffff89941f90 [ 211.415257] ? netconsole_netdev_event+0x280/0x280 [ 211.420242] ? console_unlock+0xfd6/0x1160 [ 211.424512] ? devkmsg_read+0xbb0/0xbb0 [ 211.428490] ? vprintk_emit+0x7f7/0x930 [ 211.432509] ? lock_release+0x970/0x970 [ 211.436546] ? trace_hardirqs_on+0x10/0x310 [ 211.440898] ? vprintk_default+0x28/0x30 [ 211.444965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.450429] ? kasan_check_write+0x14/0x20 [ 211.454681] ? do_raw_spin_lock+0xc1/0x200 [ 211.458923] vprintk_emit+0x33d/0x930 [ 211.462741] ? wake_up_klogd+0x180/0x180 [ 211.466816] ? print_usage_bug+0xc0/0xc0 [ 211.470889] ? vprintk_default+0x28/0x30 [ 211.474953] ? vprintk_func+0x85/0x181 [ 211.478872] vprintk_default+0x28/0x30 [ 211.482766] vprintk_func+0x7e/0x181 [ 211.486482] ? graph_lock+0x170/0x170 [ 211.490296] printk+0xa7/0xcf [ 211.493426] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 211.498204] show_free_areas.cold.120+0x1ab4/0x215d [ 211.503267] ? si_meminfo_node+0x260/0x260 [ 211.507503] ? mark_held_locks+0x130/0x130 [ 211.511752] ? rcu_read_lock_sched_held+0x108/0x120 [ 211.516782] ? rcu_note_context_switch+0x14b6/0x26b0 [ 211.521886] ? __lock_acquire+0x7ec/0x4ec0 [ 211.526122] ? __lock_acquire+0x7ec/0x4ec0 [ 211.530374] ? pick_next_task_fair+0x990/0x16d0 [ 211.535045] ? mark_held_locks+0x130/0x130 [ 211.539292] ? run_rebalance_domains+0x500/0x500 [ 211.544050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.549591] ? graph_lock+0x170/0x170 [ 211.553397] ? print_usage_bug+0xc0/0xc0 [ 211.557472] ? print_usage_bug+0xc0/0xc0 [ 211.561535] ? find_held_lock+0x36/0x1c0 [ 211.565622] ? find_held_lock+0x36/0x1c0 [ 211.569714] ? mark_held_locks+0xc7/0x130 [ 211.573882] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.578378] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.582876] ? lockdep_hardirqs_on+0x421/0x5c0 [ 211.587468] ? trace_hardirqs_on+0xbd/0x310 [ 211.591793] ? kasan_check_read+0x11/0x20 [ 211.595957] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.601413] ? lock_repin_lock+0x430/0x430 [ 211.605676] ? _raw_spin_unlock_irq+0x60/0x80 [ 211.610175] ? __schedule+0x150b/0x1ed0 [ 211.614179] ? __sched_text_start+0x8/0x8 [ 211.618344] ? netconsole_netdev_event+0x280/0x280 [ 211.623288] ? console_unlock+0xfd6/0x1160 [ 211.627533] ? console_unlock+0xfdf/0x1160 [ 211.631774] ? console_unlock+0x9ba/0x1160 [ 211.636025] ? devkmsg_read+0xbb0/0xbb0 [ 211.640006] ? vprintk_emit+0x7f7/0x930 [ 211.643988] ? preempt_schedule+0x4d/0x60 [ 211.648137] ? preempt_count_add+0x7d/0x160 [ 211.652471] ? wake_up_klogd+0x11a/0x180 [ 211.656532] ? preempt_schedule_common+0x1f/0xd0 [ 211.661301] ? console_device+0xc0/0xc0 [ 211.665276] ? ___preempt_schedule+0x16/0x18 [ 211.669698] ? vprintk_emit+0x268/0x930 [ 211.673687] ? wake_up_klogd+0x180/0x180 [ 211.677753] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.682524] ? trace_hardirqs_off+0x310/0x310 [ 211.687205] ? retint_kernel+0x1b/0x2d [ 211.691115] ? trace_hardirqs_on+0x310/0x310 [ 211.695532] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.700296] ? retint_kernel+0x2d/0x2d [ 211.704206] ? vprintk_default+0x28/0x30 [ 211.708290] ? vprintk_func+0x85/0x181 [ 211.712193] ? arch_local_irq_restore+0x45/0x52 [ 211.716881] ? printk+0xa7/0xcf [ 211.720159] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 211.724938] ? show_mem+0x1e/0x17b [ 211.728523] show_mem+0x34/0x17b [ 211.731900] dump_header+0x2f1/0xf72 [ 211.735640] ? pagefault_out_of_memory+0x197/0x197 [ 211.740589] ? __lock_acquire+0x7ec/0x4ec0 [ 211.744840] ? mem_cgroup_charge_statistics+0x780/0x780 [ 211.750226] ? print_usage_bug+0xc0/0xc0 [ 211.754302] ? print_usage_bug+0xc0/0xc0 [ 211.758372] ? graph_lock+0x170/0x170 [ 211.762172] ? print_usage_bug+0xc0/0xc0 [ 211.766235] ? print_usage_bug+0xc0/0xc0 [ 211.770310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.775859] ? find_held_lock+0x36/0x1c0 [ 211.779948] ? mark_held_locks+0xc7/0x130 [ 211.784105] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 211.789219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 211.794326] ? lockdep_hardirqs_on+0x421/0x5c0 [ 211.798914] ? trace_hardirqs_on+0xbd/0x310 [ 211.803238] ? kasan_check_read+0x11/0x20 [ 211.807391] ? ___ratelimit+0x36f/0x655 [ 211.811379] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.816862] ? trace_hardirqs_on+0x310/0x310 [ 211.821278] ? lock_downgrade+0x900/0x900 [ 211.825456] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 211.830568] ? ___ratelimit+0xaa/0x655 [ 211.834464] ? idr_get_free+0xec0/0xec0 [ 211.838456] ? kasan_check_write+0x14/0x20 [ 211.842692] ? do_raw_spin_lock+0xc1/0x200 [ 211.846934] oom_kill_process.cold.27+0x10/0x903 [ 211.851694] ? graph_lock+0x170/0x170 [ 211.855514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 211.861316] ? kasan_check_read+0x11/0x20 [ 211.865469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.870758] ? oom_evaluate_task+0x540/0x540 [ 211.875198] ? find_held_lock+0x36/0x1c0 [ 211.879270] ? out_of_memory+0x974/0x1430 [ 211.883426] ? lock_downgrade+0x900/0x900 [ 211.887579] ? check_preemption_disabled+0x48/0x200 [ 211.892603] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 211.898413] ? kasan_check_read+0x11/0x20 [ 211.902585] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.907863] ? rcu_bh_qs+0xc0/0xc0 [ 211.911410] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 211.916953] ? oom_evaluate_task+0x302/0x540 [ 211.921363] out_of_memory+0xa84/0x1430 [ 211.925345] ? oom_killer_disable+0x3a0/0x3a0 [ 211.929860] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 211.934797] ? __mutex_add_waiter+0x2a0/0x2a0 [ 211.939312] __alloc_pages_slowpath+0x2318/0x2d80 [ 211.944188] ? warn_alloc+0x120/0x120 [ 211.948014] ? find_get_entry+0x2f2/0xc40 [ 211.952175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.957727] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 211.962666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.968218] ? should_fail+0x22d/0xd01 [ 211.972112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.977260] ? __lock_is_held+0xb5/0x140 [ 211.981387] ? __lock_is_held+0xb5/0x140 [ 211.985464] ? find_held_lock+0x36/0x1c0 [ 211.989544] ? ___might_sleep+0x1ed/0x300 [ 211.993690] ? lock_release+0x970/0x970 [ 211.997666] ? arch_local_save_flags+0x40/0x40 [ 212.002262] ? __might_sleep+0x95/0x190 [ 212.006248] __alloc_pages_nodemask+0xa80/0xde0 [ 212.010955] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.015989] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 212.021786] ? kasan_check_read+0x11/0x20 [ 212.025946] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.031227] ? graph_lock+0x170/0x170 [ 212.035028] ? print_usage_bug+0xc0/0xc0 [ 212.039105] ? graph_lock+0x170/0x170 [ 212.042922] ? graph_lock+0x170/0x170 [ 212.046732] ? __do_page_cache_readahead+0x7ce/0x980 [ 212.051845] ? find_held_lock+0x36/0x1c0 [ 212.055913] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 212.061461] alloc_pages_current+0x10c/0x210 [ 212.065871] ? lock_downgrade+0x900/0x900 [ 212.070032] __page_cache_alloc+0x38f/0x5b0 [ 212.074401] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 212.080214] ? kasan_check_read+0x11/0x20 [ 212.084367] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.089700] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 212.094372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.099915] ? check_preemption_disabled+0x48/0x200 [ 212.104943] filemap_fault+0x1594/0x25f0 [ 212.109022] ? __lock_page_or_retry+0xa00/0xa00 [ 212.113692] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 212.119487] ? kasan_check_read+0x11/0x20 [ 212.123652] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.128931] ? rcu_bh_qs+0xc0/0xc0 [ 212.132506] ? filemap_map_pages+0xdea/0x1980 [ 212.137006] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.142127] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 212.147415] ? debug_object_free+0x325/0x690 [ 212.151842] ? find_get_pages_range_tag+0x1320/0x1320 [ 212.157038] ? graph_lock+0x170/0x170 [ 212.160847] ? kasan_check_read+0x11/0x20 [ 212.164997] ? debug_object_destroy+0x2b0/0x2b0 [ 212.169693] ? lock_acquire+0x1ed/0x520 [ 212.173685] ? ext4_filemap_fault+0x7a/0xad [ 212.178012] ? lock_release+0x970/0x970 [ 212.181987] ? arch_local_save_flags+0x40/0x40 [ 212.186574] ? futex_wait_setup+0x3e0/0x3e0 [ 212.190915] ? down_read+0xb0/0x1d0 [ 212.194555] ? ext4_filemap_fault+0x7a/0xad [ 212.198887] ? __down_interruptible+0x700/0x700 [ 212.203579] ext4_filemap_fault+0x82/0xad [ 212.207847] __do_fault+0x100/0x6b0 [ 212.211497] ? print_bad_pte+0x6c0/0x6c0 [ 212.215561] ? do_futex+0x249/0x26d0 [ 212.219277] ? lock_release+0x970/0x970 [ 212.223264] ? kasan_check_read+0x11/0x20 [ 212.227447] ? pmd_val+0x88/0x100 [ 212.230919] ? add_mm_counter_fast+0xd0/0xd0 [ 212.235327] ? pmd_val+0x88/0x100 [ 212.238781] ? add_mm_counter_fast+0xd0/0xd0 [ 212.243204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.248756] __handle_mm_fault+0x3709/0x53e0 [ 212.253201] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 212.258062] ? graph_lock+0x170/0x170 [ 212.261862] ? print_usage_bug+0xc0/0xc0 [ 212.265929] ? graph_lock+0x170/0x170 [ 212.269734] ? graph_lock+0x170/0x170 [ 212.273559] ? handle_mm_fault+0x42a/0xc70 [ 212.277795] ? lock_downgrade+0x900/0x900 [ 212.281951] ? check_preemption_disabled+0x48/0x200 [ 212.286974] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 212.292770] ? kasan_check_read+0x11/0x20 [ 212.296919] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.302220] ? rcu_bh_qs+0xc0/0xc0 [ 212.305770] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.311225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.316768] ? check_preemption_disabled+0x48/0x200 [ 212.321799] handle_mm_fault+0x54f/0xc70 [ 212.325866] ? __handle_mm_fault+0x53e0/0x53e0 [ 212.330459] ? find_vma+0x34/0x190 [ 212.334011] __do_page_fault+0x67d/0xed0 [ 212.338083] ? mm_fault_error+0x380/0x380 [ 212.342246] ? trace_hardirqs_off+0xb8/0x310 [ 212.346684] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.352074] ? trace_hardirqs_on+0x310/0x310 [ 212.356493] do_page_fault+0xf2/0x7e0 [ 212.360297] ? vmalloc_sync_all+0x30/0x30 [ 212.364460] ? error_entry+0x70/0xd0 [ 212.368176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 212.373200] ? trace_hardirqs_on_caller+0xc0/0x310 [ 212.378137] ? syscall_return_slowpath+0x5e0/0x5e0 [ 212.383066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.387921] ? trace_hardirqs_on_caller+0x310/0x310 [ 212.392935] ? trace_hardirqs_off+0x310/0x310 [ 212.397443] ? prepare_exit_to_usermode+0x291/0x3b0 [ 212.402478] ? page_fault+0x8/0x30 [ 212.406027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.410876] ? page_fault+0x8/0x30 [ 212.414428] page_fault+0x1e/0x30 [ 212.417888] RIP: 0033:0x45ddf3 [ 212.421098] Code: Bad RIP value. [ 212.424463] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 212.429844] RAX: ffffffffffffff92 RBX: 000000003b97d74e RCX: 000000000045ddf3 [ 212.437111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 212.444381] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 212.451652] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 212.458920] R13: 0000000071249ebe R14: 000000001eaceb88 R15: 0000000027541090 [ 212.466214] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 212.466218] Mem-Info: [ 212.466249] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 212.466249] active_file:13 inactive_file:14 isolated_file:0 [ 212.466249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 212.466249] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 212.466249] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 212.466249] free:13777 free_pcp:213 free_cma:0 [ 212.472984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.475441] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 212.508286] Call Trace: [ 212.517633] Node 0 [ 212.545126] dump_stack+0x1c4/0x2b4 [ 212.547725] 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 [ 212.549949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 212.553546] lowmem_reserve[]: 0 [ 212.579066] warn_alloc.cold.119+0xb7/0x1bd [ 212.584242] 2819 [ 212.587529] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 212.591866] 6323 [ 212.593943] ? lock_downgrade+0x900/0x900 [ 212.598775] 6323 [ 212.600854] ? trace_hardirqs_off+0xb8/0x310 [ 212.607063] ? trace_hardirqs_off+0xb8/0x310 [ 212.611469] Node 0 DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 212.615902] __alloc_pages_slowpath+0x2667/0x2d80 [ 212.615946] ? warn_alloc+0x120/0x120 [ 212.643483] lowmem_reserve[]: 0 [ 212.648352] ? warn_alloc+0x120/0x120 [ 212.652128] 0 [ 212.655407] ? print_usage_bug+0xc0/0xc0 [ 212.659188] 3503 3503 [ 212.660997] ? warn_alloc+0x120/0x120 [ 212.667535] ? print_usage_bug+0xc0/0xc0 [ 212.671325] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 212.675442] ? mark_held_locks+0x130/0x130 [ 212.675461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.704336] lowmem_reserve[]: 0 [ 212.708579] ? should_fail+0x22d/0xd01 [ 212.714088] 0 0 [ 212.717372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.721235] 0 [ 212.723211] ? __lock_acquire+0x7ec/0x4ec0 [ 212.730100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.734310] Node 0 [ 212.739414] ? __lock_acquire+0x7ec/0x4ec0 [ 212.739442] ? should_fail+0x22d/0xd01 [ 212.741652] DMA: 1*4kB [ 212.745899] ? mark_held_locks+0x130/0x130 [ 212.749759] (U) [ 212.752340] ? mark_held_locks+0x130/0x130 [ 212.756553] 0*8kB [ 212.758527] ? lock_downgrade+0x900/0x900 [ 212.762739] 0*16kB [ 212.764884] ? graph_lock+0x170/0x170 [ 212.769012] 1*32kB (U) [ 212.771258] ? graph_lock+0x170/0x170 [ 212.775041] 2*64kB [ 212.777630] ? graph_lock+0x170/0x170 [ 212.781414] (U) [ 212.783655] ? print_usage_bug+0xc0/0xc0 [ 212.787468] 1*128kB [ 212.789453] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.793489] (U) [ 212.795910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.800299] 1*256kB [ 212.802280] ? check_preemption_disabled+0x48/0x200 [ 212.807790] (U) [ 212.810124] ? check_preemption_disabled+0x48/0x200 [ 212.815117] 0*512kB [ 212.817097] ? __lock_is_held+0xb5/0x140 [ 212.822091] 1*1024kB [ 212.824426] __alloc_pages_nodemask+0xa80/0xde0 [ 212.828464] (U) [ 212.830876] ? graph_lock+0x170/0x170 [ 212.835545] 1*2048kB (M) [ 212.837530] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.841311] 3*4096kB [ 212.844064] ? graph_lock+0x170/0x170 [ 212.849058] (M) [ 212.851481] ? find_held_lock+0x36/0x1c0 [ 212.855267] = 15908kB [ 212.857242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 212.861300] Node 0 [ 212.863715] ? lock_downgrade+0x900/0x900 [ 212.868350] DMA32: 4*4kB [ 212.870610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.874743] (M) [ 212.877504] cache_grow_begin+0x91/0x8c0 [ 212.883011] 1*8kB (U) [ 212.885036] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.889081] 3*16kB [ 212.891591] fallback_alloc+0x203/0x2e0 [ 212.895964] (UM) 3*32kB [ 212.898217] ____cache_alloc_node+0x1c7/0x1e0 [ 212.902167] (UM) [ 212.904870] kmem_cache_alloc_node+0xe3/0x730 [ 212.909330] 5*64kB (UM) [ 212.911403] ? __kmalloc_node_track_caller+0x47/0x70 [ 212.915877] 3*128kB (M) [ 212.918558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.923652] 3*256kB [ 212.926335] __alloc_skb+0x119/0x770 [ 212.931851] (M) [ 212.934193] ? skb_scrub_packet+0x490/0x490 [ 212.937888] 4*512kB [ 212.939870] ? vprintk_default+0x28/0x30 [ 212.944158] (UM) 3*1024kB [ 212.946488] ? vprintk_func+0x85/0x181 [ 212.950543] (UM) [ 212.953385] ? printk+0xa7/0xcf [ 212.957259] 1*2048kB [ 212.959324] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 212.962583] (M) [ 212.965011] ? try_to_wake_up+0x10a/0x12f0 [ 212.969753] 4*4096kB [ 212.971739] new_skb+0x26/0x1c0 [ 212.975954] (M) [ 212.978361] aoecmd_cfg+0x279/0x7f0 [ 212.981618] = 25192kB [ 212.983593] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 212.987213] Node 0 [ 212.989618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.993909] Normal: 824*4kB [ 212.996173] ? check_preemption_disabled+0x48/0x200 [ 213.001704] (MEH) [ 213.004753] ? check_preemption_disabled+0x48/0x200 [ 213.009750] 371*8kB [ 213.011917] ? __lock_is_held+0xb5/0x140 [ 213.016911] (ME) [ 213.019243] discover_timer+0x50/0x60 [ 213.023278] 164*16kB [ 213.025373] call_timer_fn+0x272/0x920 [ 213.029130] (ME) [ 213.031536] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.035428] 69*32kB [ 213.037495] ? process_timeout+0x40/0x40 [ 213.042317] (UMEH) [ 213.044639] ? find_held_lock+0x36/0x1c0 [ 213.048679] 28*64kB (M) [ 213.050936] ? __run_timers+0x7da/0xc70 [ 213.054967] 1*128kB (M) [ 213.057649] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.061600] 0*256kB 0*512kB [ 213.064297] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.068770] 1*1024kB [ 213.071792] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.076259] (H) 0*2048kB [ 213.078684] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 213.083504] 0*4096kB [ 213.086261] ? trace_hardirqs_on+0xbd/0x310 [ 213.090823] = 14040kB [ 213.093229] ? kasan_check_read+0x11/0x20 [ 213.093247] ? __run_timers+0x7da/0xc70 [ 213.097559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.099963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.104106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.108102] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.116915] 146 total pagecache pages [ 213.122366] __run_timers+0x7e5/0xc70 [ 213.130939] 0 pages in swap cache [ 213.135772] ? find_held_lock+0x36/0x1c0 [ 213.139561] Swap cache stats: add 0, delete 0, find 0/0 [ 213.143359] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.146783] Free swap = 0kB [ 213.150839] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.156176] Total swap = 0kB [ 213.156184] 1965979 pages RAM [ 213.161629] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.164626] 0 pages HighMem/MovableOnly [ 213.164635] 342307 pages reserved [ 213.169154] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.172172] 0 pages cma reserved [ 213.175289] ? trace_hardirqs_on+0xbd/0x310 [ 213.179833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.183774] ? kasan_check_read+0x11/0x20 [ 213.183792] ? finish_task_switch+0x1f5/0x900 [ 213.210115] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.214594] Node 0 [ 213.220054] ? compat_start_thread+0x80/0x80 [ 213.220095] ? pvclock_read_flags+0x160/0x160 [ 213.222349] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 213.226727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.231242] lowmem_reserve[]: [ 213.259489] ? check_preemption_disabled+0x48/0x200 [ 213.259514] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 213.259533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.265060] 0 [ 213.268184] ? rcu_pm_notify+0xc0/0xc0 [ 213.268201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.268226] ? check_preemption_disabled+0x48/0x200 [ 213.273229] 0 [ 213.278769] run_timer_softirq+0x52/0xb0 [ 213.278784] ? rcu_read_lock_sched_held+0x108/0x120 [ 213.278804] __do_softirq+0x30b/0xad8 [ 213.284062] 0 [ 213.285879] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 213.289770] 0 [ 213.295272] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.295293] ? schedule+0x108/0x460 [ 213.302126] ? trace_hardirqs_off+0xb8/0x310 [ 213.306163] Node 0 [ 213.311174] ? smpboot_thread_fn+0x68b/0xa00 [ 213.311189] ? trace_hardirqs_on+0x310/0x310 [ 213.311212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.315003] DMA: [ 213.316830] ? check_preemption_disabled+0x48/0x200 [ 213.321950] 1*4kB [ 213.323752] ? takeover_tasklets+0xa90/0xa90 [ 213.328524] (U) [ 213.332122] run_ksoftirqd+0x94/0x100 [ 213.336512] 0*8kB [ 213.338740] smpboot_thread_fn+0x68b/0xa00 [ 213.338757] ? sort_range+0x30/0x30 [ 213.338777] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 213.343171] 0*16kB [ 213.347585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.347600] ? __kthread_parkme+0xfb/0x1a0 [ 213.347623] kthread+0x35a/0x420 [ 213.353145] 1*32kB [ 213.355207] ? sort_range+0x30/0x30 [ 213.360242] (U) [ 213.362350] ? kthread_bind+0x40/0x40 [ 213.362368] ret_from_fork+0x3a/0x50 [ 213.366764] 2*64kB [ 213.368833] aoe: skb alloc failure [ 213.372582] (U) [ 213.374760] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.399489] 1*128kB [ 213.399645] ksoftirqd/0 cpuset= [ 213.403018] (U) [ 213.405269] / [ 213.408927] 1*256kB [ 213.410873] mems_allowed=0 [ 213.410891] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 213.414677] (U) [ 213.418394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.418399] Call Trace: [ 213.418429] dump_stack+0x1c4/0x2b4 [ 213.418450] ? dump_stack_print_info.cold.2+0x52/0x52 [ 213.420691] 0*512kB [ 213.424239] warn_alloc.cold.119+0xb7/0x1bd [ 213.426197] 1*1024kB [ 213.436505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 213.436524] ? lock_downgrade+0x900/0x900 [ 213.436546] ? trace_hardirqs_off+0xb8/0x310 [ 213.438883] (U) [ 213.442136] ? trace_hardirqs_off+0xb8/0x310 [ 213.444094] 1*2048kB [ 213.445817] __alloc_pages_slowpath+0x2667/0x2d80 [ 213.448148] (M) [ 213.451088] ? warn_alloc+0x120/0x120 [ 213.457845] 3*4096kB [ 213.459806] ? warn_alloc+0x120/0x120 [ 213.469190] (M) [ 213.471750] ? print_usage_bug+0xc0/0xc0 [ 213.475356] = 15908kB [ 213.480540] ? warn_alloc+0x120/0x120 [ 213.480556] ? print_usage_bug+0xc0/0xc0 [ 213.480589] ? mark_held_locks+0x130/0x130 [ 213.482900] Node 0 [ 213.487222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.487238] ? should_fail+0x22d/0xd01 [ 213.487259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.489656] DMA32: [ 213.494495] ? __lock_acquire+0x7ec/0x4ec0 [ 213.498654] 4*4kB [ 213.503029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.504983] (M) [ 213.509382] ? __lock_acquire+0x7ec/0x4ec0 [ 213.509396] ? should_fail+0x22d/0xd01 [ 213.509433] ? mark_held_locks+0x130/0x130 [ 213.511828] 1*8kB [ 213.516700] ? mark_held_locks+0x130/0x130 [ 213.518714] (U) [ 213.522491] ? lock_downgrade+0x900/0x900 [ 213.524885] 3*16kB [ 213.528681] ? graph_lock+0x170/0x170 [ 213.528695] ? graph_lock+0x170/0x170 [ 213.528724] ? graph_lock+0x170/0x170 [ 213.530683] (UM) [ 213.534739] ? print_usage_bug+0xc0/0xc0 [ 213.534757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.537175] 3*32kB [ 213.540944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.544998] (UM) [ 213.549242] ? check_preemption_disabled+0x48/0x200 [ 213.549257] ? check_preemption_disabled+0x48/0x200 [ 213.549281] ? __lock_is_held+0xb5/0x140 [ 213.551505] 5*64kB [ 213.557041] __alloc_pages_nodemask+0xa80/0xde0 [ 213.557069] ? graph_lock+0x170/0x170 [ 213.557087] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 213.560975] (UM) [ 213.566588] ? graph_lock+0x170/0x170 [ 213.566614] ? find_held_lock+0x36/0x1c0 [ 213.568864] 3*128kB [ 213.573069] ? ____cache_alloc_node+0x1c7/0x1e0 [ 213.575193] (M) [ 213.580294] ? lock_downgrade+0x900/0x900 [ 213.580316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.580336] cache_grow_begin+0x91/0x8c0 [ 213.582297] 3*256kB [ 213.586526] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.590443] (M) [ 213.594650] fallback_alloc+0x203/0x2e0 [ 213.596791] 4*512kB [ 213.601022] ____cache_alloc_node+0x1c7/0x1e0 [ 213.601043] kmem_cache_alloc_node+0xe3/0x730 [ 213.601060] ? __kmalloc_node_track_caller+0x47/0x70 [ 213.603029] (UM) [ 213.607200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.607233] __alloc_skb+0x119/0x770 [ 213.607252] ? skb_scrub_packet+0x490/0x490 [ 213.609475] 3*1024kB [ 213.613275] ? vprintk_default+0x28/0x30 [ 213.617082] (UM) [ 213.620852] ? vprintk_func+0x85/0x181 [ 213.622901] 1*2048kB [ 213.626954] ? printk+0xa7/0xcf [ 213.631384] (M) [ 213.633594] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 213.639143] 4*4096kB [ 213.641188] ? try_to_wake_up+0x10a/0x12f0 [ 213.646184] (M) [ 213.651203] new_skb+0x26/0x1c0 [ 213.651231] aoecmd_cfg+0x279/0x7f0 [ 213.651252] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 213.655297] = 25192kB [ 213.657527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.657543] ? check_preemption_disabled+0x48/0x200 [ 213.657562] ? check_preemption_disabled+0x48/0x200 [ 213.662235] Node 0 [ 213.666039] ? __lock_is_held+0xb5/0x140 [ 213.671061] Normal: [ 213.673099] discover_timer+0x50/0x60 [ 213.676880] 824*4kB [ 213.680933] call_timer_fn+0x272/0x920 [ 213.680947] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.680967] ? process_timeout+0x40/0x40 [ 213.683277] (MEH) [ 213.688132] ? find_held_lock+0x36/0x1c0 [ 213.688157] ? __run_timers+0x7da/0xc70 [ 213.688176] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.690149] 371*8kB [ 213.694298] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.699857] (ME) [ 213.703881] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.703898] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 213.706240] 164*16kB [ 213.710643] ? trace_hardirqs_on+0xbd/0x310 [ 213.710655] ? kasan_check_read+0x11/0x20 [ 213.710677] ? __run_timers+0x7da/0xc70 [ 213.712640] (ME) [ 213.716625] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.718962] 69*32kB [ 213.723440] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.727949] (UMEH) [ 213.733025] __run_timers+0x7e5/0xc70 [ 213.735073] 28*64kB [ 213.740598] ? find_held_lock+0x36/0x1c0 [ 213.740625] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.740641] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.744342] (M) [ 213.748658] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.748673] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.748695] ? trace_hardirqs_on+0xbd/0x310 [ 213.751097] 1*128kB [ 213.755144] ? kasan_check_read+0x11/0x20 [ 213.755163] ? finish_task_switch+0x1f5/0x900 [ 213.757244] (M) [ 213.761096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.763493] 0*256kB [ 213.766771] ? compat_start_thread+0x80/0x80 [ 213.768773] 0*512kB [ 213.773507] ? pvclock_read_flags+0x160/0x160 [ 213.775885] 1*1024kB [ 213.780114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.780131] ? check_preemption_disabled+0x48/0x200 [ 213.780154] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 213.782139] (H) [ 213.785457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.785475] ? rcu_pm_notify+0xc0/0xc0 [ 213.789132] 0*2048kB [ 213.793434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.795827] 0*4096kB [ 213.801361] ? check_preemption_disabled+0x48/0x200 [ 213.801384] run_timer_softirq+0x52/0xb0 [ 213.801402] ? rcu_read_lock_sched_held+0x108/0x120 [ 213.806437] = 14040kB [ 213.811461] __do_softirq+0x30b/0xad8 [ 213.811516] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 213.811535] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.813779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.817832] ? schedule+0x108/0x460 [ 213.817861] ? trace_hardirqs_off+0xb8/0x310 [ 213.820193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.824006] ? smpboot_thread_fn+0x68b/0xa00 [ 213.826313] 146 total pagecache pages [ 213.830197] ? trace_hardirqs_on+0x310/0x310 [ 213.830213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.830229] ? check_preemption_disabled+0x48/0x200 [ 213.830248] ? takeover_tasklets+0xa90/0xa90 [ 213.835089] 0 pages in swap cache [ 213.839134] run_ksoftirqd+0x94/0x100 [ 213.839149] smpboot_thread_fn+0x68b/0xa00 [ 213.839167] ? sort_range+0x30/0x30 [ 213.841311] Swap cache stats: add 0, delete 0, find 0/0 [ 213.845362] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 213.849346] Free swap = 0kB [ 213.854068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.856371] Total swap = 0kB [ 213.860871] ? __kthread_parkme+0xfb/0x1a0 [ 213.860890] kthread+0x35a/0x420 [ 213.860908] ? sort_range+0x30/0x30 [ 213.862963] 1965979 pages RAM [ 213.867801] ? kthread_bind+0x40/0x40 [ 213.867818] ret_from_fork+0x3a/0x50 [ 213.867846] warn_alloc_show_mem: 1 callbacks suppressed [ 213.867851] Mem-Info: [ 213.872413] 0 pages HighMem/MovableOnly [ 213.874847] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 213.874847] active_file:13 inactive_file:14 isolated_file:0 [ 213.874847] unevictable:0 dirty:0 writeback:0 unstable:0 [ 213.874847] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 213.874847] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 213.874847] free:13777 free_pcp:213 free_cma:0 [ 213.879226] 342307 pages reserved [ 213.883352] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 213.887345] 0 pages cma reserved [ 213.889382] Node 0 [ 213.894856] Unreclaimable slab info: [ 213.897186] 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 [ 213.897190] lowmem_reserve[]: 0 [ 213.902045] Name Used Total [ 213.904261] 2819 6323 [ 213.908117] pid_2 1KB 24KB [ 213.910369] 6323 [ 213.914475] TIPC 10KB 14KB [ 213.919779] Node 0 DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 213.919821] lowmem_reserve[]: [ 213.924326] SCTPv6 14KB 18KB [ 213.926281] 0 0 [ 213.930825] DCCPv6 17KB 21KB [ 213.935346] 3503 3503 [ 213.939722] DCCP 16KB 20KB [ 213.942006] Node 0 [ 213.946159] bridge_fdb_cache 11KB 11KB [ 213.950642] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:36kB free_cma:0kB [ 213.950646] lowmem_reserve[]: 0 [ 213.952638] fib6_nodes 76KB 80KB [ 213.958057] 0 0 0 [ 213.958075] Node 0 DMA: 1*4kB (U) 0*8kB [ 213.960433] ip6_dst_cache 131KB 262KB [ 213.964819] 0*16kB 1*32kB [ 213.967198] RAWv6 68KB 71KB [ 213.971638] (U) 2*64kB [ 213.974056] UDPv6 3KB 3KB [ 213.979575] (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB [ 213.984636] TCPv6 23KB 29KB [ 213.990145] (M) 3*4096kB (M) = 15908kB [ 213.990166] Node 0 DMA32: 4*4kB (M) [ 213.992176] nf_conntrack 3KB 11KB [ 213.997437] 1*8kB (U) 3*16kB (UM) 3*32kB (UM) 5*64kB (UM) [ 214.001386] sd_ext_cdb 0KB 3KB [ 214.003746] 3*128kB (M) [ 214.009325] scsi_sense_cache 1056KB 1060KB [ 214.011684] 3*256kB (M) [ 214.016703] virtio_scsi_cmd 16KB 16KB [ 214.020747] 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25192kB [ 214.025824] sgpool-128 8KB 8KB [ 214.028226] Node 0 Normal: 824*4kB (MEH) 371*8kB (ME) 164*16kB (ME) [ 214.032073] sgpool-64 4KB 6KB [ 214.037151] 69*32kB (UMEH) 28*64kB (M) 1*128kB (M) 0*256kB 0*512kB 1*1024kB [ 214.041968] sgpool-32 2KB 7KB [ 214.050792] (H) 0*2048kB 0*4096kB = 14040kB [ 214.050821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 214.050832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 214.050843] 146 total pagecache pages [ 214.054473] sgpool-16 1KB 3KB [ 214.058866] 0 pages in swap cache [ 214.058874] Swap cache stats: add 0, delete 0, find 0/0 [ 214.058880] Free swap = 0kB [ 214.058884] Total swap = 0kB [ 214.058896] 1965979 pages RAM [ 214.067499] sgpool-8 0KB 3KB [ 214.071858] 0 pages HighMem/MovableOnly [ 214.071868] 342307 pages reserved [ 214.075666] mqueue_inode_cache 10KB 14KB [ 214.080079] 0 pages cma reserved [ 214.080154] aoe: skb alloc failure [ 214.085671] bio_post_read_ctx 14KB 15KB [ 214.090740] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 214.090748] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 214.090776] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 214.090784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.090790] Call Trace: [ 214.090814] dump_stack+0x1c4/0x2b4 [ 214.090833] ? dump_stack_print_info.cold.2+0x52/0x52 [ 214.090858] warn_alloc.cold.119+0xb7/0x1bd [ 214.090876] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 214.116302] bio-2 14KB 15KB [ 214.120829] ? lock_downgrade+0x900/0x900 [ 214.120851] ? trace_hardirqs_off+0xb8/0x310 [ 214.120870] ? trace_hardirqs_off+0xb8/0x310 [ 214.123886] jfs_mp 7KB 7KB [ 214.129430] __alloc_pages_slowpath+0x2667/0x2d80 [ 214.129474] ? warn_alloc+0x120/0x120 [ 214.132487] nfs_commit_data 3KB 7KB [ 214.136698] ? warn_alloc+0x120/0x120 [ 214.140107] nfs_write_data 34KB 37KB [ 214.143705] ? print_usage_bug+0xc0/0xc0 [ 214.146811] ext4_system_zone 0KB 3KB [ 214.150585] ? warn_alloc+0x120/0x120 [ 214.150600] ? print_usage_bug+0xc0/0xc0 [ 214.150623] ? mark_held_locks+0x130/0x130 [ 214.154353] bio-1 1KB 3KB [ 214.159693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.159716] ? should_fail+0x22d/0xd01 [ 214.159736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.162146] pid_namespace 2KB 7KB [ 214.166137] ? __lock_acquire+0x7ec/0x4ec0 [ 214.199044] rpc_buffers 17KB 19KB [ 214.202464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.229985] rpc_tasks 2KB 3KB [ 214.233308] ? __lock_acquire+0x7ec/0x4ec0 [ 214.233325] ? should_fail+0x22d/0xd01 [ 214.235552] UNIX 9KB 14KB [ 214.239254] ? print_usage_bug+0xc0/0xc0 [ 214.239275] ? mark_held_locks+0x130/0x130 [ 214.239294] ? mark_held_locks+0x130/0x130 [ 214.264821] tcp_bind_bucket 1KB 4KB [ 214.268059] ? lock_downgrade+0x900/0x900 [ 214.268080] ? graph_lock+0x170/0x170 [ 214.268098] ? print_usage_bug+0xc0/0xc0 [ 214.273633] ip_fib_trie 11KB 11KB [ 214.276124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.281502] ip_fib_alias 51KB 55KB [ 214.283537] ? check_preemption_disabled+0x48/0x200 [ 214.288916] ip_dst_cache 2KB 8KB [ 214.316630] ? check_preemption_disabled+0x48/0x200 [ 214.316655] ? __lock_is_held+0xb5/0x140 [ 214.316675] __alloc_pages_nodemask+0xa80/0xde0 [ 214.319834] RAW 40KB 50KB [ 214.325163] ? graph_lock+0x170/0x170 [ 214.327162] UDP 16KB 19KB [ 214.332503] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 214.334975] TCP 8KB 11KB [ 214.340324] ? graph_lock+0x170/0x170 [ 214.340350] ? find_held_lock+0x36/0x1c0 [ 214.340374] ? ____cache_alloc_node+0x1c7/0x1e0 [ 214.342602] hugetlbfs_inode_cache 2KB 7KB [ 214.347949] ? lock_downgrade+0x900/0x900 [ 214.347984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.348003] cache_grow_begin+0x91/0x8c0 [ 214.376223] fscache_cookie_jar 1KB 7KB [ 214.379460] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.379483] fallback_alloc+0x203/0x2e0 [ 214.379503] ____cache_alloc_node+0x1c7/0x1e0 [ 214.384858] eventpoll_pwq 3KB 11KB [ 214.387009] kmem_cache_alloc_node+0xe3/0x730 [ 214.391099] eventpoll_epi 6KB 19KB [ 214.396439] ? __kmalloc_node_track_caller+0x47/0x70 [ 214.399301] inotify_inode_mark 5KB 15KB [ 214.404628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.407263] request_queue 163KB 163KB [ 214.412604] __alloc_skb+0x119/0x770 [ 214.419288] blkdev_requests 1KB 3KB [ 214.424614] ? skb_scrub_packet+0x490/0x490 [ 214.428548] blkdev_ioc 2KB 19KB [ 214.432235] ? vprintk_default+0x28/0x30 [ 214.437614] bio-0 53KB 82KB [ 214.443203] ? vprintk_func+0x85/0x181 [ 214.448589] biovec-max 1336KB 1336KB [ 214.451223] ? printk+0xa7/0xcf [ 214.451240] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 214.456591] bio_integrity_payload 1KB 4KB [ 214.459253] ? try_to_wake_up+0x10a/0x12f0 [ 214.459276] new_skb+0x26/0x1c0 [ 214.459294] aoecmd_cfg+0x279/0x7f0 [ 214.464647] khugepaged_mm_slot 0KB 7KB [ 214.471663] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 214.471694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.471730] ? check_preemption_disabled+0x48/0x200 [ 214.477105] dmaengine-unmap-256 2KB 6KB [ 214.483549] ? check_preemption_disabled+0x48/0x200 [ 214.483574] ? __lock_is_held+0xb5/0x140 [ 214.488962] dmaengine-unmap-128 1KB 3KB [ 214.496125] discover_timer+0x50/0x60 [ 214.501515] dmaengine-unmap-16 0KB 4KB [ 214.505801] call_timer_fn+0x272/0x920 [ 214.514652] dmaengine-unmap-2 0KB 3KB [ 214.523188] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 214.523205] ? process_timeout+0x40/0x40 [ 214.523217] ? find_held_lock+0x36/0x1c0 [ 214.523240] ? __run_timers+0x7da/0xc70 [ 214.527064] skbuff_fclone_cache 6KB 22KB [ 214.532404] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.535852] skbuff_head_cache 625061KB 625061KB [ 214.541205] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.541216] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 214.541229] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 214.541248] ? trace_hardirqs_on+0xbd/0x310 [ 214.544254] configfs_dir_cache 0KB 4KB [ 214.547270] ? kasan_check_read+0x11/0x20 [ 214.547286] ? __run_timers+0x7da/0xc70 [ 214.547301] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.547326] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 214.550433] file_lock_cache 0KB 3KB [ 214.555787] __run_timers+0x7e5/0xc70 [ 214.559778] file_lock_ctx 0KB 3KB [ 214.563191] ? find_held_lock+0x36/0x1c0 [ 214.568664] fsnotify_mark_connector 3KB 11KB [ 214.572000] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 214.575518] net_namespace 51KB 51KB [ 214.580868] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.580882] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.580898] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.580915] ? trace_hardirqs_on+0xbd/0x310 [ 214.591268] shmem_inode_cache 3550KB 3611KB [ 214.595906] ? kasan_check_read+0x11/0x20 [ 214.595937] ? finish_task_switch+0x1f5/0x900 [ 214.602760] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 214.612045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.614619] syz-executor3 cpuset= [ 214.618245] ? compat_start_thread+0x80/0x80 [ 214.623424] syz3 [ 214.627762] ? pvclock_read_flags+0x160/0x160 [ 214.632576] mems_allowed=0 [ 214.637935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.242353] ? check_preemption_disabled+0x48/0x200 [ 215.247383] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 215.252943] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.258222] ? rcu_pm_notify+0xc0/0xc0 [ 215.262118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.267660] ? check_preemption_disabled+0x48/0x200 [ 215.272706] run_timer_softirq+0x52/0xb0 [ 215.276774] ? rcu_read_lock_sched_held+0x108/0x120 [ 215.281794] __do_softirq+0x30b/0xad8 [ 215.285619] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 215.290739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.295503] ? schedule+0x108/0x460 [ 215.299141] ? trace_hardirqs_off+0xb8/0x310 [ 215.303548] ? smpboot_thread_fn+0x68b/0xa00 [ 215.307980] ? trace_hardirqs_on+0x310/0x310 [ 215.312395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.317943] ? check_preemption_disabled+0x48/0x200 [ 215.322963] ? takeover_tasklets+0xa90/0xa90 [ 215.327373] run_ksoftirqd+0x94/0x100 [ 215.331181] smpboot_thread_fn+0x68b/0xa00 [ 215.335427] ? sort_range+0x30/0x30 [ 215.339077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 215.344182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.349726] ? __kthread_parkme+0xfb/0x1a0 [ 215.353971] kthread+0x35a/0x420 [ 215.357350] ? sort_range+0x30/0x30 [ 215.360979] ? kthread_bind+0x40/0x40 [ 215.364781] ret_from_fork+0x3a/0x50 [ 215.368517] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 215.368586] aoe: skb alloc failure [ 215.375713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.375723] Call Trace: [ 215.379318] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.388611] dump_stack+0x1c4/0x2b4 [ 215.391176] ksoftirqd/0 cpuset= [ 215.401491] ? dump_stack_print_info.cold.2+0x52/0x52 [ 215.405107] / [ 215.408396] warn_alloc.cold.119+0xb7/0x1bd [ 215.413568] mems_allowed=0 [ 215.415285] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.427348] ? lock_downgrade+0x900/0x900 [ 215.431517] ? trace_hardirqs_off+0xb8/0x310 [ 215.435949] ? trace_hardirqs_off+0xb8/0x310 [ 215.440381] __alloc_pages_slowpath+0x2667/0x2d80 [ 215.445265] ? warn_alloc+0x120/0x120 [ 215.449081] ? attach_entity_load_avg+0x860/0x860 [ 215.453940] ? warn_alloc+0x120/0x120 [ 215.457749] ? print_usage_bug+0xc0/0xc0 [ 215.461828] ? warn_alloc+0x120/0x120 [ 215.465644] ? print_usage_bug+0xc0/0xc0 [ 215.469715] ? rb_erase+0x3710/0x3710 [ 215.473528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.479073] ? should_fail+0x22d/0xd01 [ 215.482978] ? graph_lock+0x170/0x170 [ 215.486799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.491928] ? __lock_acquire+0x7ec/0x4ec0 [ 215.496175] ? should_fail+0x22d/0xd01 [ 215.500080] ? mark_held_locks+0x130/0x130 [ 215.504323] ? mark_held_locks+0x130/0x130 [ 215.508565] ? __lock_acquire+0x7ec/0x4ec0 [ 215.512814] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 215.518615] ? graph_lock+0x170/0x170 [ 215.522433] ? graph_lock+0x170/0x170 [ 215.526243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.531788] ? check_preemption_disabled+0x48/0x200 [ 215.536811] ? check_preemption_disabled+0x48/0x200 [ 215.541842] ? __lock_is_held+0xb5/0x140 [ 215.545929] __alloc_pages_nodemask+0xa80/0xde0 [ 215.550600] ? graph_lock+0x170/0x170 [ 215.554407] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 215.559475] ? graph_lock+0x170/0x170 [ 215.563306] ? find_held_lock+0x36/0x1c0 [ 215.567379] ? ____cache_alloc_node+0x1c7/0x1e0 [ 215.572066] ? lock_downgrade+0x900/0x900 [ 215.576240] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.581788] cache_grow_begin+0x91/0x8c0 [ 215.585858] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.590279] fallback_alloc+0x203/0x2e0 [ 215.594262] ____cache_alloc_node+0x1c7/0x1e0 [ 215.598782] kmem_cache_alloc+0x1f8/0x730 [ 215.602947] skb_clone+0x1bb/0x500 [ 215.606492] ? finish_task_switch+0x1b5/0x900 [ 215.610998] ? skb_split+0x11e0/0x11e0 [ 215.614890] ? preempt_notifier_register+0x200/0x200 [ 215.620002] ? __switch_to_asm+0x34/0x70 [ 215.624076] ? __switch_to_asm+0x34/0x70 [ 215.628154] ? __switch_to_asm+0x40/0x70 [ 215.632226] ? __switch_to_asm+0x34/0x70 [ 215.636300] ? __switch_to_asm+0x40/0x70 [ 215.640368] ? __switch_to_asm+0x34/0x70 [ 215.644442] ? __switch_to_asm+0x40/0x70 [ 215.648509] ? __switch_to_asm+0x34/0x70 [ 215.652574] ? __switch_to_asm+0x34/0x70 [ 215.656633] ? __switch_to_asm+0x40/0x70 [ 215.660732] ? __switch_to_asm+0x34/0x70 [ 215.664807] bpf_clone_redirect+0xb9/0x490 [ 215.669042] ? __schedule+0x874/0x1ed0 [ 215.672942] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 215.677967] ? __sched_text_start+0x8/0x8 [ 215.682121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.687017] ? find_held_lock+0x36/0x1c0 [ 215.691094] ? lock_acquire+0x1ed/0x520 [ 215.695099] ? bpf_test_run+0x32e/0x5a0 [ 215.699091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.704638] ? check_preemption_disabled+0x48/0x200 [ 215.709663] ? kasan_check_read+0x11/0x20 [ 215.713815] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.719100] ? rcu_bh_qs+0xc0/0xc0 [ 215.722648] ? preempt_schedule+0x4d/0x60 [ 215.726799] ? ___preempt_schedule+0x16/0x18 [ 215.731220] ? bpf_test_run+0x1c0/0x5a0 [ 215.735217] ? netlink_diag_dump+0x2a0/0x2a0 [ 215.739632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.745176] ? bpf_test_init.isra.9+0x70/0x100 [ 215.749782] ? bpf_prog_test_run_skb+0x634/0xb40 [ 215.754554] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.759395] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.764947] ? fput+0x130/0x1a0 [ 215.768232] ? __bpf_prog_get+0x9b/0x290 [ 215.772310] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.777159] ? bpf_prog_test_run+0x130/0x1a0 [ 215.781607] ? __x64_sys_bpf+0x3d8/0x510 [ 215.785672] ? bpf_prog_get+0x20/0x20 [ 215.789495] ? do_syscall_64+0x1b9/0x820 [ 215.793576] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 215.798950] ? syscall_return_slowpath+0x5e0/0x5e0 [ 215.803884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.808729] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.813753] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 215.818776] ? prepare_exit_to_usermode+0x291/0x3b0 [ 215.823815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.828671] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.834053] warn_alloc_show_mem: 1 callbacks suppressed [ 215.834078] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 215.834080] Mem-Info: [ 215.834128] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 215.834128] active_file:13 inactive_file:14 isolated_file:0 [ 215.834128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 215.834128] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 215.834128] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 215.834128] free:13777 free_pcp:213 free_cma:0 [ 215.839469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.846237] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 215.848636] Call Trace: [ 215.881506] Node 0 [ 215.890865] dump_stack+0x1c4/0x2b4 [ 215.918363] 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 [ 215.920933] ? dump_stack_print_info.cold.2+0x52/0x52 [ 215.923142] lowmem_reserve[]: 0 [ 215.926796] warn_alloc.cold.119+0xb7/0x1bd [ 215.952261] 2819 6323 [ 215.957463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.960738] 6323 [ 215.965056] ? lock_downgrade+0x900/0x900 [ 215.972375] ? trace_hardirqs_off+0xb8/0x310 [ 215.974414] Node 0 [ 215.978568] ? trace_hardirqs_off+0xb8/0x310 [ 215.982995] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 215.985203] __alloc_pages_slowpath+0x2667/0x2d80 [ 215.989596] lowmem_reserve[]: [ 216.016597] ? warn_alloc+0x120/0x120 [ 216.021398] 0 [ 216.024540] ? warn_alloc+0x120/0x120 [ 216.028301] 0 3503 [ 216.030131] ? print_usage_bug+0xc0/0xc0 [ 216.030169] ? warn_alloc+0x120/0x120 [ 216.033933] 3503 [ 216.036174] ? print_usage_bug+0xc0/0xc0 [ 216.044012] ? mark_held_locks+0x130/0x130 [ 216.046057] Node 0 [ 216.050127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.054447] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 216.056651] ? should_fail+0x22d/0xd01 [ 216.062174] lowmem_reserve[]: [ 216.090483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.094357] 0 0 [ 216.097483] ? __lock_acquire+0x7ec/0x4ec0 [ 216.102555] 0 0 [ 216.104537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.108761] Node 0 [ 216.110750] ? __lock_acquire+0x7ec/0x4ec0 [ 216.115827] DMA: 1*4kB [ 216.118076] ? should_fail+0x22d/0xd01 [ 216.122289] (U) [ 216.124867] ? print_usage_bug+0xc0/0xc0 [ 216.128732] 0*8kB [ 216.130724] ? mark_held_locks+0x130/0x130 [ 216.134787] 0*16kB [ 216.136945] ? mark_held_locks+0x130/0x130 [ 216.141160] 1*32kB [ 216.143441] ? lock_downgrade+0x900/0x900 [ 216.147654] (U) [ 216.149889] ? graph_lock+0x170/0x170 [ 216.154010] 2*64kB (U) [ 216.155991] ? print_usage_bug+0xc0/0xc0 [ 216.159782] 1*128kB (U) [ 216.162379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.166423] 1*256kB (U) [ 216.169105] ? check_preemption_disabled+0x48/0x200 [ 216.174618] 0*512kB [ 216.177285] ? check_preemption_disabled+0x48/0x200 [ 216.182273] 1*1024kB (U) [ 216.184612] ? __lock_is_held+0xb5/0x140 [ 216.189611] 1*2048kB [ 216.192377] __alloc_pages_nodemask+0xa80/0xde0 [ 216.196413] (M) [ 216.198856] ? graph_lock+0x170/0x170 [ 216.203507] 3*4096kB [ 216.205509] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.209290] (M) [ 216.211699] ? graph_lock+0x170/0x170 [ 216.216690] = 15908kB [ 216.216699] Node 0 [ 216.218686] ? find_held_lock+0x36/0x1c0 [ 216.222471] DMA32: 4*4kB [ 216.224895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.227131] (M) [ 216.231192] ? lock_downgrade+0x900/0x900 [ 216.233940] 1*8kB (U) [ 216.238617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.240573] 3*16kB [ 216.244722] cache_grow_begin+0x91/0x8c0 [ 216.247191] (UM) [ 216.252726] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.254936] 3*32kB (UM) [ 216.259007] fallback_alloc+0x203/0x2e0 [ 216.261040] 5*64kB (UM) [ 216.265458] ____cache_alloc_node+0x1c7/0x1e0 [ 216.268101] 3*128kB (M) [ 216.272082] kmem_cache_alloc_node+0xe3/0x730 [ 216.274733] 3*256kB [ 216.279228] ? __kmalloc_node_track_caller+0x47/0x70 [ 216.281884] (M) [ 216.286374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.288678] 4*512kB [ 216.293779] __alloc_skb+0x119/0x770 [ 216.295732] (UM) [ 216.301265] ? skb_scrub_packet+0x490/0x490 [ 216.303582] 3*1024kB [ 216.307295] ? vprintk_default+0x28/0x30 [ 216.309333] (UM) [ 216.313654] ? vprintk_func+0x85/0x181 [ 216.316059] 1*2048kB [ 216.320127] ? printk+0xa7/0xcf [ 216.322175] (M) [ 216.326061] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 216.328460] 4*4096kB [ 216.331743] ? try_to_wake_up+0x10a/0x12f0 [ 216.333701] (M) [ 216.338462] new_skb+0x26/0x1c0 [ 216.340853] = 25192kB [ 216.345089] aoecmd_cfg+0x279/0x7f0 [ 216.347050] Node 0 [ 216.350330] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 216.352722] Normal: [ 216.356345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.358559] 824*4kB [ 216.362879] ? check_preemption_disabled+0x48/0x200 [ 216.365177] (MEH) [ 216.370725] ? check_preemption_disabled+0x48/0x200 [ 216.373030] 371*8kB [ 216.378075] ? __lock_is_held+0xb5/0x140 [ 216.380199] (ME) [ 216.385217] discover_timer+0x50/0x60 [ 216.387522] 164*16kB [ 216.391583] call_timer_fn+0x272/0x920 [ 216.393624] (ME) [ 216.397432] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 216.399821] 69*32kB [ 216.403704] ? process_timeout+0x40/0x40 [ 216.405743] (UMEH) [ 216.410605] ? find_held_lock+0x36/0x1c0 [ 216.412921] 28*64kB [ 216.416981] ? __run_timers+0x7da/0xc70 [ 216.419197] (M) [ 216.423258] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.425562] 1*128kB [ 216.429534] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.431493] (M) [ 216.435984] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 216.438289] 0*256kB [ 216.442781] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 216.444736] 0*512kB [ 216.449592] ? trace_hardirqs_on+0xbd/0x310 [ 216.451900] 1*1024kB [ 216.456496] ? kasan_check_read+0x11/0x20 [ 216.458802] (H) [ 216.463129] ? __run_timers+0x7da/0xc70 [ 216.465524] 0*2048kB [ 216.469675] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.471632] 0*4096kB [ 216.475617] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 216.477996] = 14040kB [ 216.478013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 216.483459] __run_timers+0x7e5/0xc70 [ 216.485854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 216.490688] ? find_held_lock+0x36/0x1c0 [ 216.493082] 146 total pagecache pages [ 216.501926] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 216.505706] 0 pages in swap cache [ 216.514295] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.518341] Swap cache stats: add 0, delete 0, find 0/0 [ 216.518351] Free swap = 0kB [ 216.522150] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.527519] Total swap = 0kB [ 216.527528] 1965979 pages RAM [ 216.530978] ? lockdep_hardirqs_on+0x421/0x5c0 [ 216.535450] 0 pages HighMem/MovableOnly [ 216.535460] 342307 pages reserved [ 216.540852] ? trace_hardirqs_on+0xbd/0x310 [ 216.543858] 0 pages cma reserved [ 216.548351] ? kasan_check_read+0x11/0x20 [ 216.551593] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 216.554469] ? finish_task_switch+0x1f5/0x900 [ 216.559031] syz-executor3 cpuset= [ 216.563003] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.566453] syz3 [ 216.570770] ? compat_start_thread+0x80/0x80 [ 216.574117] mems_allowed=0 [ 216.611440] ? pvclock_read_flags+0x160/0x160 [ 216.615944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.621498] ? check_preemption_disabled+0x48/0x200 [ 216.626527] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 216.632067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.637347] ? rcu_pm_notify+0xc0/0xc0 [ 216.641254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.646796] ? check_preemption_disabled+0x48/0x200 [ 216.651823] run_timer_softirq+0x52/0xb0 [ 216.655897] ? rcu_read_lock_sched_held+0x108/0x120 [ 216.660922] __do_softirq+0x30b/0xad8 [ 216.664744] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 216.669851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 216.674618] ? schedule+0x108/0x460 [ 216.678269] ? trace_hardirqs_off+0xb8/0x310 [ 216.682680] ? smpboot_thread_fn+0x68b/0xa00 [ 216.687096] ? trace_hardirqs_on+0x310/0x310 [ 216.691509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.697064] ? check_preemption_disabled+0x48/0x200 [ 216.702090] ? takeover_tasklets+0xa90/0xa90 [ 216.706504] run_ksoftirqd+0x94/0x100 [ 216.710307] smpboot_thread_fn+0x68b/0xa00 [ 216.714546] ? sort_range+0x30/0x30 [ 216.718179] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 216.723307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.728863] ? __kthread_parkme+0xfb/0x1a0 [ 216.733118] kthread+0x35a/0x420 [ 216.736520] ? sort_range+0x30/0x30 [ 216.740144] ? kthread_bind+0x40/0x40 [ 216.743959] ret_from_fork+0x3a/0x50 [ 216.747703] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 216.747777] aoe: skb alloc failure [ 216.754909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.754919] Call Trace: [ 216.758518] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 216.767797] [ 216.770368] ksoftirqd/0 cpuset= [ 216.780682] dump_stack+0x1c4/0x2b4 [ 216.782819] / [ 216.786110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 216.789736] mems_allowed=0 [ 216.791469] warn_alloc.cold.119+0xb7/0x1bd [ 216.803980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.808827] ? lock_downgrade+0x900/0x900 [ 216.812989] ? trace_hardirqs_off+0xb8/0x310 [ 216.817410] ? trace_hardirqs_off+0xb8/0x310 [ 216.821869] __alloc_pages_slowpath+0x2667/0x2d80 [ 216.826783] ? warn_alloc+0x120/0x120 [ 216.830604] ? warn_alloc+0x120/0x120 [ 216.834411] ? print_usage_bug+0xc0/0xc0 [ 216.838485] ? warn_alloc+0x120/0x120 [ 216.842288] ? print_usage_bug+0xc0/0xc0 [ 216.846357] ? graph_lock+0x170/0x170 [ 216.850161] ? kvm_sched_clock_read+0x9/0x20 [ 216.854586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.860126] ? should_fail+0x22d/0xd01 [ 216.864019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.869129] ? __lock_acquire+0x7ec/0x4ec0 [ 216.873384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.878505] ? __lock_acquire+0x7ec/0x4ec0 [ 216.882742] ? should_fail+0x22d/0xd01 [ 216.886641] ? mark_held_locks+0x130/0x130 [ 216.890885] ? mark_held_locks+0x130/0x130 [ 216.895122] ? select_task_rq_fair+0x754/0x3500 [ 216.899816] ? lock_downgrade+0x900/0x900 [ 216.903970] ? check_preemption_disabled+0x48/0x200 [ 216.908986] ? graph_lock+0x170/0x170 [ 216.912793] ? print_usage_bug+0xc0/0xc0 [ 216.916864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.922406] ? check_preemption_disabled+0x48/0x200 [ 216.927437] ? check_preemption_disabled+0x48/0x200 [ 216.932469] ? __lock_is_held+0xb5/0x140 [ 216.936590] __alloc_pages_nodemask+0xa80/0xde0 [ 216.941264] ? graph_lock+0x170/0x170 [ 216.945072] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.950087] ? graph_lock+0x170/0x170 [ 216.953904] ? find_held_lock+0x36/0x1c0 [ 216.957976] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.962648] ? lock_downgrade+0x900/0x900 [ 216.966806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.972349] cache_grow_begin+0x91/0x8c0 [ 216.976412] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.980854] fallback_alloc+0x203/0x2e0 [ 216.984841] ____cache_alloc_node+0x1c7/0x1e0 [ 216.989347] kmem_cache_alloc_node+0xe3/0x730 [ 216.993848] ? ipv6_get_ifaddr+0x42e/0x620 [ 216.998094] __alloc_skb+0x119/0x770 [ 217.001813] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.007093] ? skb_scrub_packet+0x490/0x490 [ 217.011413] ? lock_downgrade+0x900/0x900 [ 217.015582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.021126] ? refcount_sub_and_test_checked+0x203/0x310 [ 217.026587] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 217.032043] ? addrconf_rs_timer+0x690/0x690 [ 217.036469] ndisc_alloc_skb+0x144/0x340 [ 217.040538] ndisc_send_rs+0x331/0x6e0 [ 217.044445] addrconf_rs_timer+0x314/0x690 [ 217.048690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.052955] call_timer_fn+0x272/0x920 [ 217.056844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.061100] ? process_timeout+0x40/0x40 [ 217.065162] ? find_held_lock+0x36/0x1c0 [ 217.069239] ? __run_timers+0x7da/0xc70 [ 217.073224] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.077720] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.082223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.086463] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 217.091042] ? trace_hardirqs_on+0xbd/0x310 [ 217.095389] ? kasan_check_read+0x11/0x20 [ 217.099557] ? __run_timers+0x7da/0xc70 [ 217.103575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.109038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.113272] __run_timers+0x7e5/0xc70 [ 217.117089] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.122473] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.127494] ? graph_lock+0x170/0x170 [ 217.131299] ? enqueue_hrtimer+0x1a5/0x560 [ 217.135543] ? lock_release+0x970/0x970 [ 217.139524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 217.144732] ? find_held_lock+0x36/0x1c0 [ 217.148808] ? graph_lock+0x170/0x170 [ 217.152613] ? pvclock_read_flags+0x160/0x160 [ 217.157114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.162659] ? check_preemption_disabled+0x48/0x200 [ 217.167690] ? __lock_is_held+0xb5/0x140 [ 217.171757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.177299] ? check_preemption_disabled+0x48/0x200 [ 217.182322] run_timer_softirq+0x52/0xb0 [ 217.186385] ? rcu_read_lock_sched_held+0x108/0x120 [ 217.191408] __do_softirq+0x30b/0xad8 [ 217.195237] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.200349] ? pvclock_read_flags+0x160/0x160 [ 217.204844] ? lapic_next_event+0x5a/0x90 [ 217.208992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.214541] ? check_preemption_disabled+0x48/0x200 [ 217.219559] ? check_preemption_disabled+0x48/0x200 [ 217.224596] ? kvm_clock_read+0x18/0x30 [ 217.228575] ? kvm_sched_clock_read+0x9/0x20 [ 217.232998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.238551] ? check_preemption_disabled+0x48/0x200 [ 217.243583] irq_exit+0x17f/0x1c0 [ 217.247041] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.251887] ? smp_reschedule_interrupt+0x109/0x650 [ 217.256933] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.262823] ? interrupt_entry+0xb5/0xf0 [ 217.266890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.271913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.276936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.281793] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.286810] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.291824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.297395] ? check_preemption_disabled+0x48/0x200 [ 217.302428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.307975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.312826] apic_timer_interrupt+0xf/0x20 [ 217.317051] [ 217.319292] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 217.324237] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 217.343152] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 217.350896] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 217.358163] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 217.365439] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 217.372711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 217.379985] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 217.387296] skb_clone+0x1bb/0x500 [ 217.390837] ? finish_task_switch+0x1b5/0x900 [ 217.395334] ? skb_split+0x11e0/0x11e0 [ 217.399228] ? preempt_notifier_register+0x200/0x200 [ 217.404338] ? __switch_to_asm+0x34/0x70 [ 217.408414] ? __switch_to_asm+0x34/0x70 [ 217.412491] ? __switch_to_asm+0x40/0x70 [ 217.416589] ? __switch_to_asm+0x34/0x70 [ 217.420646] ? __switch_to_asm+0x40/0x70 [ 217.424719] ? __switch_to_asm+0x34/0x70 [ 217.428783] ? __switch_to_asm+0x40/0x70 [ 217.432842] ? __switch_to_asm+0x34/0x70 [ 217.436929] ? __switch_to_asm+0x34/0x70 [ 217.440986] ? __switch_to_asm+0x40/0x70 [ 217.445043] ? __switch_to_asm+0x34/0x70 [ 217.449111] bpf_clone_redirect+0xb9/0x490 [ 217.453351] ? __schedule+0x874/0x1ed0 [ 217.457249] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 217.462266] ? __sched_text_start+0x8/0x8 [ 217.466412] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.471194] ? find_held_lock+0x36/0x1c0 [ 217.475270] ? lock_acquire+0x1ed/0x520 [ 217.479244] ? bpf_test_run+0x32e/0x5a0 [ 217.483227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.488772] ? check_preemption_disabled+0x48/0x200 [ 217.493799] ? kasan_check_read+0x11/0x20 [ 217.497954] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.503234] ? rcu_bh_qs+0xc0/0xc0 [ 217.506777] ? preempt_schedule+0x4d/0x60 [ 217.510929] ? ___preempt_schedule+0x16/0x18 [ 217.515357] ? bpf_test_run+0x1c0/0x5a0 [ 217.519343] ? netlink_diag_dump+0x2a0/0x2a0 [ 217.523756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.529292] ? bpf_test_init.isra.9+0x70/0x100 [ 217.533884] ? bpf_prog_test_run_skb+0x634/0xb40 [ 217.538648] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.543507] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 217.549040] ? fput+0x130/0x1a0 [ 217.552323] ? __bpf_prog_get+0x9b/0x290 [ 217.556388] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.561244] ? bpf_prog_test_run+0x130/0x1a0 [ 217.565662] ? __x64_sys_bpf+0x3d8/0x510 [ 217.569726] ? bpf_prog_get+0x20/0x20 [ 217.573547] ? do_syscall_64+0x1b9/0x820 [ 217.577608] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.582975] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.587907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.592755] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.597771] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 217.602794] ? prepare_exit_to_usermode+0x291/0x3b0 [ 217.607818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.612668] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.618045] warn_alloc_show_mem: 1 callbacks suppressed [ 217.618057] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 217.618058] Mem-Info: [ 217.618089] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 217.618089] active_file:13 inactive_file:14 isolated_file:0 [ 217.618089] unevictable:0 dirty:0 writeback:0 unstable:0 [ 217.618089] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 217.618089] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 217.618089] free:13777 free_pcp:213 free_cma:0 [ 217.623439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.630198] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 217.632597] Call Trace: [ 217.665468] Node 0 [ 217.674836] dump_stack+0x1c4/0x2b4 [ 217.702522] 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 [ 217.705097] ? dump_stack_print_info.cold.2+0x52/0x52 [ 217.707302] lowmem_reserve[]: 0 [ 217.710945] warn_alloc.cold.119+0xb7/0x1bd [ 217.736413] 2819 6323 [ 217.741635] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 217.744895] 6323 [ 217.749217] ? lock_downgrade+0x900/0x900 [ 217.756568] ? trace_hardirqs_off+0xb8/0x310 [ 217.758605] Node 0 [ 217.762748] ? trace_hardirqs_off+0xb8/0x310 [ 217.767155] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 217.769382] __alloc_pages_slowpath+0x2667/0x2d80 [ 217.773786] lowmem_reserve[]: [ 217.800787] ? warn_alloc+0x120/0x120 [ 217.805587] 0 [ 217.808693] ? warn_alloc+0x120/0x120 [ 217.812479] 0 [ 217.814280] ? print_usage_bug+0xc0/0xc0 [ 217.818063] 3503 [ 217.819866] ? warn_alloc+0x120/0x120 [ 217.823908] 3503 [ 217.825967] ? print_usage_bug+0xc0/0xc0 [ 217.829763] Node 0 [ 217.831824] ? mark_held_locks+0x130/0x130 [ 217.835891] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 217.838106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.842308] lowmem_reserve[]: 0 [ 217.870830] ? should_fail+0x22d/0xd01 [ 217.876347] 0 [ 217.879626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.883490] 0 [ 217.885295] ? __lock_acquire+0x7ec/0x4ec0 [ 217.890372] 0 [ 217.892240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.898248] ? __lock_acquire+0x7ec/0x4ec0 [ 217.903332] Node 0 [ 217.907572] ? should_fail+0x22d/0xd01 [ 217.907583] DMA: [ 217.909829] ? print_usage_bug+0xc0/0xc0 [ 217.913697] 1*4kB [ 217.915762] ? mark_held_locks+0x130/0x130 [ 217.919797] (U) [ 217.921947] ? mark_held_locks+0x130/0x130 [ 217.926158] 0*8kB [ 217.928130] ? lock_downgrade+0x900/0x900 [ 217.932358] 0*16kB [ 217.934504] ? graph_lock+0x170/0x170 [ 217.938631] 1*32kB [ 217.940862] ? print_usage_bug+0xc0/0xc0 [ 217.944640] (U) [ 217.946877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.950915] 2*64kB [ 217.953173] ? check_preemption_disabled+0x48/0x200 [ 217.958684] (U) [ 217.960928] ? check_preemption_disabled+0x48/0x200 [ 217.965918] 1*128kB [ 217.967907] ? __lock_is_held+0xb5/0x140 [ 217.972897] (U) [ 217.975220] __alloc_pages_nodemask+0xa80/0xde0 [ 217.979260] 1*256kB [ 217.981230] ? graph_lock+0x170/0x170 [ 217.985875] (U) [ 217.988198] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 217.991974] 0*512kB 1*1024kB [ 217.993968] ? graph_lock+0x170/0x170 [ 217.998959] (U) 1*2048kB [ 218.002080] ? find_held_lock+0x36/0x1c0 [ 218.005856] (M) [ 218.008631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.012668] 3*4096kB [ 218.014666] ? lock_downgrade+0x900/0x900 [ 218.019320] (M) [ 218.021740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.025861] = 15908kB [ 218.027853] cache_grow_begin+0x91/0x8c0 [ 218.033361] Node 0 [ 218.035783] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.039826] DMA32: [ 218.042085] fallback_alloc+0x203/0x2e0 [ 218.046464] 4*4kB [ 218.048695] ____cache_alloc_node+0x1c7/0x1e0 [ 218.052644] (M) [ 218.054805] kmem_cache_alloc_node+0xe3/0x730 [ 218.059278] 1*8kB [ 218.061251] ? __kmalloc_node_track_caller+0x47/0x70 [ 218.065737] (U) [ 218.067930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.073009] 3*16kB [ 218.074999] __alloc_skb+0x119/0x770 [ 218.080539] (UM) [ 218.082786] ? skb_scrub_packet+0x490/0x490 [ 218.086480] 3*32kB [ 218.088553] ? vprintk_default+0x28/0x30 [ 218.092844] (UM) [ 218.095075] ? vprintk_func+0x85/0x181 [ 218.099130] 5*64kB [ 218.101219] ? printk+0xa7/0xcf [ 218.105081] (UM) [ 218.107352] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 218.110643] 3*128kB [ 218.112724] ? try_to_wake_up+0x10a/0x12f0 [ 218.117450] (M) 3*256kB [ 218.119792] new_skb+0x26/0x1c0 [ 218.124002] (M) [ 218.126673] aoecmd_cfg+0x279/0x7f0 [ 218.129931] 4*512kB (UM) [ 218.131923] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 218.135523] 3*1024kB (UM) [ 218.138313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.142612] 1*2048kB [ 218.145492] ? check_preemption_disabled+0x48/0x200 [ 218.151000] (M) 4*4096kB [ 218.153433] ? check_preemption_disabled+0x48/0x200 [ 218.158433] (M) [ 218.161197] ? __lock_is_held+0xb5/0x140 [ 218.166190] = 25192kB [ 218.168168] discover_timer+0x50/0x60 [ 218.172201] Node 0 [ 218.174613] call_timer_fn+0x272/0x920 [ 218.178391] Normal: [ 218.180667] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 218.184538] 824*4kB [ 218.186863] ? process_timeout+0x40/0x40 [ 218.191686] (MEH) [ 218.194010] ? find_held_lock+0x36/0x1c0 [ 218.198055] 371*8kB [ 218.200208] ? __run_timers+0x7da/0xc70 [ 218.204248] (ME) [ 218.206569] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.210517] 164*16kB (ME) [ 218.212594] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.217098] 69*32kB [ 218.219942] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 218.224425] (UMEH) [ 218.226751] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 218.231573] 28*64kB [ 218.233811] ? trace_hardirqs_on+0xbd/0x310 [ 218.238380] (M) [ 218.240705] ? kasan_check_read+0x11/0x20 [ 218.245020] 1*128kB [ 218.247004] ? __run_timers+0x7da/0xc70 [ 218.251132] (M) [ 218.253465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.257412] 0*256kB [ 218.259414] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 218.264848] 0*512kB [ 218.267186] __run_timers+0x7e5/0xc70 [ 218.272004] 1*1024kB [ 218.274330] ? find_held_lock+0x36/0x1c0 [ 218.278112] (H) [ 218.280530] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.284564] 0*2048kB [ 218.286546] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.291888] 0*4096kB [ 218.294294] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.298768] = 14040kB [ 218.301175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 218.305663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 218.308064] ? trace_hardirqs_on+0xbd/0x310 [ 218.312624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 218.312633] 146 total pagecache pages [ 218.321485] ? kasan_check_read+0x11/0x20 [ 218.325805] 0 pages in swap cache [ 218.334373] ? finish_task_switch+0x1f5/0x900 [ 218.338169] Swap cache stats: add 0, delete 0, find 0/0 [ 218.342315] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.345749] Free swap = 0kB [ 218.350247] ? compat_start_thread+0x80/0x80 [ 218.355599] Total swap = 0kB [ 218.361060] ? pvclock_read_flags+0x160/0x160 [ 218.364046] 1965979 pages RAM [ 218.368464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.371463] 0 pages HighMem/MovableOnly [ 218.375960] ? check_preemption_disabled+0x48/0x200 [ 218.379044] 342307 pages reserved [ 218.384609] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 218.388562] 0 pages cma reserved [ 218.393580] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.397081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 218.402547] ? rcu_pm_notify+0xc0/0xc0 [ 218.405953] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.411177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.417649] syz-executor3 cpuset= [ 218.421539] ? check_preemption_disabled+0x48/0x200 [ 218.432006] syz3 [ 218.437564] run_timer_softirq+0x52/0xb0 [ 218.441005] mems_allowed=0 [ 218.446022] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.459955] __do_softirq+0x30b/0xad8 [ 218.463774] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 218.468884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.473653] ? schedule+0x108/0x460 [ 218.477296] ? trace_hardirqs_off+0xb8/0x310 [ 218.481718] ? smpboot_thread_fn+0x68b/0xa00 [ 218.486133] ? trace_hardirqs_on+0x310/0x310 [ 218.490562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.496111] ? check_preemption_disabled+0x48/0x200 [ 218.501136] ? takeover_tasklets+0xa90/0xa90 [ 218.505554] run_ksoftirqd+0x94/0x100 [ 218.509363] smpboot_thread_fn+0x68b/0xa00 [ 218.513606] ? sort_range+0x30/0x30 [ 218.517240] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.522347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.527893] ? __kthread_parkme+0xfb/0x1a0 [ 218.532161] kthread+0x35a/0x420 [ 218.535532] ? sort_range+0x30/0x30 [ 218.539161] ? kthread_bind+0x40/0x40 [ 218.542973] ret_from_fork+0x3a/0x50 [ 218.546716] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 218.546794] aoe: skb alloc failure [ 218.553918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.553924] Call Trace: [ 218.553931] [ 218.553952] dump_stack+0x1c4/0x2b4 [ 218.553974] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.557560] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.566867] warn_alloc.cold.119+0xb7/0x1bd [ 218.569436] ksoftirqd/0 cpuset= [ 218.571589] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.575195] / [ 218.580390] ? lock_downgrade+0x900/0x900 [ 218.590682] mems_allowed=0 [ 218.595006] ? trace_hardirqs_off+0xb8/0x310 [ 218.616280] ? trace_hardirqs_off+0xb8/0x310 [ 218.620704] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.625587] ? warn_alloc+0x120/0x120 [ 218.629402] ? warn_alloc+0x120/0x120 [ 218.633222] ? print_usage_bug+0xc0/0xc0 [ 218.637294] ? warn_alloc+0x120/0x120 [ 218.641101] ? print_usage_bug+0xc0/0xc0 [ 218.645167] ? __lock_acquire+0x7ec/0x4ec0 [ 218.649408] ? __lock_acquire+0x7ec/0x4ec0 [ 218.653659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.659200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.664747] ? should_fail+0x22d/0xd01 [ 218.668642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.673749] ? __lock_acquire+0x7ec/0x4ec0 [ 218.677997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.683106] ? __lock_acquire+0x7ec/0x4ec0 [ 218.687349] ? should_fail+0x22d/0xd01 [ 218.691259] ? mark_held_locks+0x130/0x130 [ 218.695504] ? mark_held_locks+0x130/0x130 [ 218.699744] ? graph_lock+0x170/0x170 [ 218.703552] ? print_usage_bug+0xc0/0xc0 [ 218.707620] ? graph_lock+0x170/0x170 [ 218.711434] ? print_usage_bug+0xc0/0xc0 [ 218.715505] ? wq_watchdog_touch+0x9c/0xfe [ 218.719750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.725291] ? check_preemption_disabled+0x48/0x200 [ 218.730320] ? check_preemption_disabled+0x48/0x200 [ 218.735345] ? __lock_is_held+0xb5/0x140 [ 218.739425] __alloc_pages_nodemask+0xa80/0xde0 [ 218.744102] ? graph_lock+0x170/0x170 [ 218.747914] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.752935] ? graph_lock+0x170/0x170 [ 218.756751] ? find_held_lock+0x36/0x1c0 [ 218.760841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.765513] ? lock_downgrade+0x900/0x900 [ 218.769672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.775226] cache_grow_begin+0x91/0x8c0 [ 218.779292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.783716] fallback_alloc+0x203/0x2e0 [ 218.787706] ____cache_alloc_node+0x1c7/0x1e0 [ 218.792221] kmem_cache_alloc_node+0xe3/0x730 [ 218.797233] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.801495] __alloc_skb+0x119/0x770 [ 218.805222] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.810523] ? skb_scrub_packet+0x490/0x490 [ 218.814850] ? lock_downgrade+0x900/0x900 [ 218.819453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.824996] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.830458] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.835918] ? addrconf_rs_timer+0x690/0x690 [ 218.840343] ndisc_alloc_skb+0x144/0x340 [ 218.844432] ndisc_send_rs+0x331/0x6e0 [ 218.848332] addrconf_rs_timer+0x314/0x690 [ 218.852576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.856828] call_timer_fn+0x272/0x920 [ 218.860723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.864970] ? process_timeout+0x40/0x40 [ 218.869033] ? find_held_lock+0x36/0x1c0 [ 218.873109] ? __run_timers+0x7da/0xc70 [ 218.877129] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.881628] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.886129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.890368] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 218.894957] ? trace_hardirqs_on+0xbd/0x310 [ 218.899278] ? kasan_check_read+0x11/0x20 [ 218.903438] ? __run_timers+0x7da/0xc70 [ 218.907429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.912894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.917141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.921379] __run_timers+0x7e5/0xc70 [ 218.925199] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.930575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.935599] ? graph_lock+0x170/0x170 [ 218.939410] ? enqueue_hrtimer+0x1a5/0x560 [ 218.943664] ? lock_release+0x970/0x970 [ 218.947659] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.952867] ? find_held_lock+0x36/0x1c0 [ 218.956941] ? graph_lock+0x170/0x170 [ 218.960768] ? pvclock_read_flags+0x160/0x160 [ 218.965272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.970818] ? check_preemption_disabled+0x48/0x200 [ 218.975857] ? __lock_is_held+0xb5/0x140 [ 218.979927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.985479] ? check_preemption_disabled+0x48/0x200 [ 218.990509] run_timer_softirq+0x52/0xb0 [ 218.994578] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.999610] __do_softirq+0x30b/0xad8 [ 219.003435] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 219.008554] ? pvclock_read_flags+0x160/0x160 [ 219.013058] ? lapic_next_event+0x5a/0x90 [ 219.017215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.022779] ? check_preemption_disabled+0x48/0x200 [ 219.028055] ? check_preemption_disabled+0x48/0x200 [ 219.033088] ? kvm_clock_read+0x18/0x30 [ 219.037075] ? kvm_sched_clock_read+0x9/0x20 [ 219.041489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.047046] ? check_preemption_disabled+0x48/0x200 [ 219.052082] irq_exit+0x17f/0x1c0 [ 219.055542] smp_apic_timer_interrupt+0x1cb/0x760 [ 219.060387] ? smp_reschedule_interrupt+0x109/0x650 [ 219.065412] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.071352] ? interrupt_entry+0xb5/0xf0 [ 219.075438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.080470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.085495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.090344] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.095362] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.100386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.105935] ? check_preemption_disabled+0x48/0x200 [ 219.110954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.116502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.121360] apic_timer_interrupt+0xf/0x20 [ 219.125590] [ 219.127844] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 219.132777] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 219.151688] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 219.159402] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 219.166678] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 219.173952] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 219.181224] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 219.188496] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 219.195810] skb_clone+0x1bb/0x500 [ 219.199356] ? finish_task_switch+0x1b5/0x900 [ 219.203855] ? skb_split+0x11e0/0x11e0 [ 219.207760] ? preempt_notifier_register+0x200/0x200 [ 219.212863] ? __switch_to_asm+0x34/0x70 [ 219.216926] ? __switch_to_asm+0x34/0x70 [ 219.220988] ? __switch_to_asm+0x40/0x70 [ 219.225048] ? __switch_to_asm+0x34/0x70 [ 219.229108] ? __switch_to_asm+0x40/0x70 [ 219.233170] ? __switch_to_asm+0x34/0x70 [ 219.237234] ? __switch_to_asm+0x40/0x70 [ 219.241299] ? __switch_to_asm+0x34/0x70 [ 219.245361] ? __switch_to_asm+0x34/0x70 [ 219.249433] ? __switch_to_asm+0x40/0x70 [ 219.253502] ? __switch_to_asm+0x34/0x70 [ 219.257573] bpf_clone_redirect+0xb9/0x490 [ 219.261864] ? __schedule+0x874/0x1ed0 [ 219.265761] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 219.270794] ? __sched_text_start+0x8/0x8 [ 219.274973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.279747] ? find_held_lock+0x36/0x1c0 [ 219.283821] ? lock_acquire+0x1ed/0x520 [ 219.287806] ? bpf_test_run+0x32e/0x5a0 [ 219.291787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.297340] ? check_preemption_disabled+0x48/0x200 [ 219.302374] ? kasan_check_read+0x11/0x20 [ 219.306533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.311837] ? rcu_bh_qs+0xc0/0xc0 [ 219.315393] ? preempt_schedule+0x4d/0x60 [ 219.319638] ? ___preempt_schedule+0x16/0x18 [ 219.324060] ? bpf_test_run+0x1c0/0x5a0 [ 219.328049] ? netlink_diag_dump+0x2a0/0x2a0 [ 219.332469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.338013] ? bpf_test_init.isra.9+0x70/0x100 [ 219.342605] ? bpf_prog_test_run_skb+0x634/0xb40 [ 219.347375] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.352226] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 219.357766] ? fput+0x130/0x1a0 [ 219.361055] ? __bpf_prog_get+0x9b/0x290 [ 219.365120] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.369967] ? bpf_prog_test_run+0x130/0x1a0 [ 219.374439] ? __x64_sys_bpf+0x3d8/0x510 [ 219.378506] ? bpf_prog_get+0x20/0x20 [ 219.382339] ? do_syscall_64+0x1b9/0x820 [ 219.386402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 219.391782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 219.396726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.401574] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.406599] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 219.411619] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.416655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.421512] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.426890] warn_alloc_show_mem: 1 callbacks suppressed [ 219.426902] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 219.426904] Mem-Info: [ 219.426935] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 219.426935] active_file:13 inactive_file:14 isolated_file:0 [ 219.426935] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.426935] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 219.426935] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 219.426935] free:13777 free_pcp:213 free_cma:0 [ 219.432297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.439064] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.441472] Call Trace: [ 219.474341] Node 0 [ 219.483701] dump_stack+0x1c4/0x2b4 [ 219.511200] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 219.513762] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.515975] lowmem_reserve[]: [ 219.519610] warn_alloc.cold.119+0xb7/0x1bd [ 219.545085] 0 [ 219.550273] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.553358] 2819 [ 219.557673] ? lock_downgrade+0x900/0x900 [ 219.559460] 6323 [ 219.564303] ? trace_hardirqs_off+0xb8/0x310 [ 219.566368] 6323 [ 219.570558] ? trace_hardirqs_off+0xb8/0x310 [ 219.577008] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.579048] Node 0 [ 219.583480] ? warn_alloc+0x120/0x120 [ 219.588324] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 219.590550] ? warn_alloc+0x120/0x120 [ 219.594318] lowmem_reserve[]: 0 [ 219.621317] ? print_usage_bug+0xc0/0xc0 [ 219.625110] 0 [ 219.628406] ? warn_alloc+0x120/0x120 [ 219.632453] 3503 [ 219.634259] ? print_usage_bug+0xc0/0xc0 [ 219.638042] 3503 [ 219.640103] ? mark_held_locks+0x130/0x130 [ 219.646226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.646243] ? should_fail+0x22d/0xd01 [ 219.650457] Node 0 [ 219.655994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.659884] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 219.662092] ? __lock_acquire+0x7ec/0x4ec0 [ 219.667217] lowmem_reserve[]: [ 219.695695] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.699913] 0 [ 219.703022] ? __lock_acquire+0x7ec/0x4ec0 [ 219.708100] 0 [ 219.709910] ? should_fail+0x22d/0xd01 [ 219.714120] 0 [ 219.715920] ? print_usage_bug+0xc0/0xc0 [ 219.719795] 0 [ 219.721617] ? mark_held_locks+0x130/0x130 [ 219.725652] Node 0 [ 219.727454] ? mark_held_locks+0x130/0x130 [ 219.731662] DMA: 1*4kB [ 219.733920] ? lock_downgrade+0x900/0x900 [ 219.738161] (U) [ 219.740755] ? graph_lock+0x170/0x170 [ 219.744885] 0*8kB 0*16kB [ 219.746899] ? print_usage_bug+0xc0/0xc0 [ 219.750681] 1*32kB [ 219.753448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.757485] (U) [ 219.759727] ? check_preemption_disabled+0x48/0x200 [ 219.765239] 2*64kB [ 219.767233] ? check_preemption_disabled+0x48/0x200 [ 219.772227] (U) [ 219.774489] ? __lock_is_held+0xb5/0x140 [ 219.779482] 1*128kB [ 219.781460] __alloc_pages_nodemask+0xa80/0xde0 [ 219.785498] (U) [ 219.787827] ? graph_lock+0x170/0x170 [ 219.792478] 1*256kB (U) [ 219.794463] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.798244] 0*512kB [ 219.800911] ? graph_lock+0x170/0x170 [ 219.805905] 1*1024kB [ 219.808230] ? find_held_lock+0x36/0x1c0 [ 219.812009] (U) [ 219.814426] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.818469] 1*2048kB [ 219.820444] ? lock_downgrade+0x900/0x900 [ 219.825102] (M) [ 219.827515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.831663] 3*4096kB [ 219.833635] cache_grow_begin+0x91/0x8c0 [ 219.839158] (M) [ 219.841596] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.845634] = 15908kB [ 219.845643] Node 0 [ 219.847636] fallback_alloc+0x203/0x2e0 [ 219.852018] DMA32: [ 219.854441] ____cache_alloc_node+0x1c7/0x1e0 [ 219.856657] 4*4kB [ 219.860634] kmem_cache_alloc_node+0xe3/0x730 [ 219.862848] (M) [ 219.867343] ? __kmalloc_node_track_caller+0x47/0x70 [ 219.869476] 1*8kB [ 219.873968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.875919] (U) [ 219.881022] __alloc_skb+0x119/0x770 [ 219.883178] 3*16kB [ 219.888717] ? skb_scrub_packet+0x490/0x490 [ 219.890664] (UM) [ 219.894380] ? vprintk_default+0x28/0x30 [ 219.896594] 3*32kB [ 219.900910] ? vprintk_func+0x85/0x181 [ 219.902955] (UM) [ 219.907010] ? printk+0xa7/0xcf [ 219.909226] 5*64kB (UM) [ 219.913116] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 219.915180] 3*128kB (M) [ 219.918464] ? try_to_wake_up+0x10a/0x12f0 [ 219.921114] 3*256kB [ 219.925879] new_skb+0x26/0x1c0 [ 219.928541] (M) [ 219.932774] aoecmd_cfg+0x279/0x7f0 [ 219.935073] 4*512kB (UM) [ 219.938364] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 219.940312] 3*1024kB (UM) [ 219.943947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.946698] 1*2048kB (M) [ 219.951037] ? check_preemption_disabled+0x48/0x200 [ 219.953859] 4*4096kB [ 219.959415] ? check_preemption_disabled+0x48/0x200 [ 219.962161] (M) [ 219.967179] ? __lock_is_held+0xb5/0x140 [ 219.969568] = 25192kB [ 219.974585] discover_timer+0x50/0x60 [ 219.976536] Node 0 [ 219.980599] call_timer_fn+0x272/0x920 [ 219.982986] Normal: [ 219.986784] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.989002] 824*4kB [ 219.992890] ? process_timeout+0x40/0x40 [ 219.995193] (MEH) [ 220.000049] ? find_held_lock+0x36/0x1c0 [ 220.002353] 371*8kB (ME) 164*16kB (ME) [ 220.006465] ? __run_timers+0x7da/0xc70 [ 220.008587] 69*32kB (UMEH) [ 220.012660] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.016616] 28*64kB [ 220.020594] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.023513] (M) [ 220.028013] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 220.030323] 1*128kB [ 220.034828] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.036778] (M) 0*256kB 0*512kB 1*1024kB [ 220.041654] ? trace_hardirqs_on+0xbd/0x310 [ 220.043961] (H) [ 220.048551] ? kasan_check_read+0x11/0x20 [ 220.052695] 0*2048kB 0*4096kB [ 220.057035] ? __run_timers+0x7da/0xc70 [ 220.058983] = 14040kB [ 220.058998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 220.063137] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.066326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 220.070298] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 220.072680] 146 total pagecache pages [ 220.081539] __run_timers+0x7e5/0xc70 [ 220.086988] 0 pages in swap cache [ 220.095562] ? find_held_lock+0x36/0x1c0 [ 220.100381] Swap cache stats: add 0, delete 0, find 0/0 [ 220.100391] Free swap = 0kB [ 220.104219] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.108002] Total swap = 0kB [ 220.111457] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.115497] 1965979 pages RAM [ 220.120858] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.123854] 0 pages HighMem/MovableOnly [ 220.123863] 342307 pages reserved [ 220.129230] ? lockdep_hardirqs_on+0x421/0x5c0 [ 220.132234] 0 pages cma reserved [ 220.136728] ? trace_hardirqs_on+0xbd/0x310 [ 220.139878] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 220.144310] ? kasan_check_read+0x11/0x20 [ 220.144329] ? finish_task_switch+0x1f5/0x900 [ 220.148377] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.151752] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.156316] syz-executor3 cpuset= [ 220.159684] ? compat_start_thread+0x80/0x80 [ 220.163988] syz3 [ 220.170510] ? pvclock_read_flags+0x160/0x160 [ 220.174634] mems_allowed=0 [ 220.212281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.217835] ? check_preemption_disabled+0x48/0x200 [ 220.222875] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 220.228464] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.233749] ? rcu_pm_notify+0xc0/0xc0 [ 220.237652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.243208] ? check_preemption_disabled+0x48/0x200 [ 220.248250] run_timer_softirq+0x52/0xb0 [ 220.252313] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.257381] __do_softirq+0x30b/0xad8 [ 220.261207] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.266317] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.271124] ? schedule+0x108/0x460 [ 220.274781] ? trace_hardirqs_off+0xb8/0x310 [ 220.279234] ? smpboot_thread_fn+0x68b/0xa00 [ 220.283648] ? trace_hardirqs_on+0x310/0x310 [ 220.288060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.293617] ? check_preemption_disabled+0x48/0x200 [ 220.298642] ? takeover_tasklets+0xa90/0xa90 [ 220.303074] run_ksoftirqd+0x94/0x100 [ 220.306901] smpboot_thread_fn+0x68b/0xa00 [ 220.311153] ? sort_range+0x30/0x30 [ 220.314815] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.319934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.325478] ? __kthread_parkme+0xfb/0x1a0 [ 220.329726] kthread+0x35a/0x420 [ 220.333094] ? sort_range+0x30/0x30 [ 220.336727] ? kthread_bind+0x40/0x40 [ 220.340531] ret_from_fork+0x3a/0x50 [ 220.344269] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 220.344339] aoe: skb alloc failure [ 220.351464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.351470] Call Trace: [ 220.351476] [ 220.351501] dump_stack+0x1c4/0x2b4 [ 220.351520] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.355239] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.364408] warn_alloc.cold.119+0xb7/0x1bd [ 220.367142] ksoftirqd/0 cpuset= [ 220.369294] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.369313] ? lock_downgrade+0x900/0x900 [ 220.373058] / [ 220.378218] ? trace_hardirqs_off+0xb8/0x310 [ 220.378241] ? trace_hardirqs_off+0xb8/0x310 [ 220.378265] __alloc_pages_slowpath+0x2667/0x2d80 [ 220.388669] mems_allowed=0 [ 220.423507] ? warn_alloc+0x120/0x120 [ 220.427315] ? trace_hardirqs_on+0x310/0x310 [ 220.431738] ? warn_alloc+0x120/0x120 [ 220.435556] ? print_usage_bug+0xc0/0xc0 [ 220.439636] ? warn_alloc+0x120/0x120 [ 220.443444] ? ktime_get+0x2e1/0x440 [ 220.447158] ? print_usage_bug+0xc0/0xc0 [ 220.451235] ? __lock_acquire+0x7ec/0x4ec0 [ 220.455485] ? __lock_acquire+0x7ec/0x4ec0 [ 220.459719] ? kasan_check_read+0x11/0x20 [ 220.463870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.469414] ? should_fail+0x22d/0xd01 [ 220.473319] ? rcu_bh_qs+0xc0/0xc0 [ 220.476874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.481991] ? __lock_acquire+0x7ec/0x4ec0 [ 220.486255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.491360] ? __lock_acquire+0x7ec/0x4ec0 [ 220.495603] ? should_fail+0x22d/0xd01 [ 220.499494] ? rcu_idle_enter+0x4b0/0x4b0 [ 220.503654] ? mark_held_locks+0x130/0x130 [ 220.507894] ? mark_held_locks+0x130/0x130 [ 220.512137] ? mark_held_locks+0xc7/0x130 [ 220.516299] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 220.521319] ? graph_lock+0x170/0x170 [ 220.525118] ? print_usage_bug+0xc0/0xc0 [ 220.529183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.534746] ? check_preemption_disabled+0x48/0x200 [ 220.539766] ? check_preemption_disabled+0x48/0x200 [ 220.544805] ? __lock_is_held+0xb5/0x140 [ 220.548880] __alloc_pages_nodemask+0xa80/0xde0 [ 220.553549] ? graph_lock+0x170/0x170 [ 220.557391] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.562415] ? graph_lock+0x170/0x170 [ 220.566249] ? find_held_lock+0x36/0x1c0 [ 220.570319] ? ____cache_alloc_node+0x1c7/0x1e0 [ 220.574995] ? lock_downgrade+0x900/0x900 [ 220.579151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.584696] cache_grow_begin+0x91/0x8c0 [ 220.588760] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.593193] fallback_alloc+0x203/0x2e0 [ 220.597203] ____cache_alloc_node+0x1c7/0x1e0 [ 220.601710] kmem_cache_alloc_node+0xe3/0x730 [ 220.606207] ? ipv6_get_ifaddr+0x42e/0x620 [ 220.610467] __alloc_skb+0x119/0x770 [ 220.614189] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.619484] ? skb_scrub_packet+0x490/0x490 [ 220.623810] ? lock_downgrade+0x900/0x900 [ 220.627967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.633513] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.638967] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.644451] ? addrconf_rs_timer+0x690/0x690 [ 220.648875] ndisc_alloc_skb+0x144/0x340 [ 220.652945] ndisc_send_rs+0x331/0x6e0 [ 220.656840] addrconf_rs_timer+0x314/0x690 [ 220.661088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.665344] call_timer_fn+0x272/0x920 [ 220.669237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.673478] ? process_timeout+0x40/0x40 [ 220.677547] ? find_held_lock+0x36/0x1c0 [ 220.681619] ? __run_timers+0x7da/0xc70 [ 220.685600] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.690097] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.694604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.698842] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.703436] ? trace_hardirqs_on+0xbd/0x310 [ 220.707758] ? kasan_check_read+0x11/0x20 [ 220.711909] ? __run_timers+0x7da/0xc70 [ 220.715889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.721350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.725613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.729858] __run_timers+0x7e5/0xc70 [ 220.733673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.739037] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.744056] ? graph_lock+0x170/0x170 [ 220.747921] ? enqueue_hrtimer+0x1a5/0x560 [ 220.752170] ? lock_release+0x970/0x970 [ 220.756178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.761408] ? find_held_lock+0x36/0x1c0 [ 220.765493] ? graph_lock+0x170/0x170 [ 220.769301] ? pvclock_read_flags+0x160/0x160 [ 220.773799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.779345] ? check_preemption_disabled+0x48/0x200 [ 220.784381] ? __lock_is_held+0xb5/0x140 [ 220.788452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.795243] ? check_preemption_disabled+0x48/0x200 [ 220.800283] run_timer_softirq+0x52/0xb0 [ 220.804354] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.809370] __do_softirq+0x30b/0xad8 [ 220.813191] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.818307] ? pvclock_read_flags+0x160/0x160 [ 220.822799] ? lapic_next_event+0x5a/0x90 [ 220.826948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.832495] ? check_preemption_disabled+0x48/0x200 [ 220.837510] ? check_preemption_disabled+0x48/0x200 [ 220.842535] ? kvm_clock_read+0x18/0x30 [ 220.846519] ? kvm_sched_clock_read+0x9/0x20 [ 220.850952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.856495] ? check_preemption_disabled+0x48/0x200 [ 220.861555] irq_exit+0x17f/0x1c0 [ 220.865014] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.869876] ? smp_reschedule_interrupt+0x109/0x650 [ 220.874896] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.880780] ? interrupt_entry+0xb5/0xf0 [ 220.884856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.889882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.894898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.899739] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.904771] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.909788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.915356] ? check_preemption_disabled+0x48/0x200 [ 220.920371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.925932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.930786] apic_timer_interrupt+0xf/0x20 [ 220.935017] [ 220.937262] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.942192] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 220.961097] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.968819] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 220.976088] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 220.983358] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 220.990640] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 220.997910] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 221.005228] skb_clone+0x1bb/0x500 [ 221.008773] ? finish_task_switch+0x1b5/0x900 [ 221.013272] ? skb_split+0x11e0/0x11e0 [ 221.017174] ? preempt_notifier_register+0x200/0x200 [ 221.022284] ? __switch_to_asm+0x34/0x70 [ 221.026348] ? __switch_to_asm+0x34/0x70 [ 221.030411] ? __switch_to_asm+0x40/0x70 [ 221.034482] ? __switch_to_asm+0x34/0x70 [ 221.038542] ? __switch_to_asm+0x40/0x70 [ 221.042602] ? __switch_to_asm+0x34/0x70 [ 221.046662] ? __switch_to_asm+0x40/0x70 [ 221.050722] ? __switch_to_asm+0x34/0x70 [ 221.054784] ? __switch_to_asm+0x34/0x70 [ 221.058862] ? __switch_to_asm+0x40/0x70 [ 221.062934] ? __switch_to_asm+0x34/0x70 [ 221.067020] bpf_clone_redirect+0xb9/0x490 [ 221.071293] ? __schedule+0x874/0x1ed0 [ 221.075183] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 221.080214] ? __sched_text_start+0x8/0x8 [ 221.084373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.089146] ? find_held_lock+0x36/0x1c0 [ 221.093227] ? lock_acquire+0x1ed/0x520 [ 221.097208] ? bpf_test_run+0x32e/0x5a0 [ 221.101223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.106773] ? check_preemption_disabled+0x48/0x200 [ 221.111796] ? kasan_check_read+0x11/0x20 [ 221.115958] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.121248] ? rcu_bh_qs+0xc0/0xc0 [ 221.124796] ? preempt_schedule+0x4d/0x60 [ 221.128949] ? ___preempt_schedule+0x16/0x18 [ 221.133364] ? bpf_test_run+0x1c0/0x5a0 [ 221.137352] ? netlink_diag_dump+0x2a0/0x2a0 [ 221.141763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.147300] ? bpf_test_init.isra.9+0x70/0x100 [ 221.151894] ? bpf_prog_test_run_skb+0x634/0xb40 [ 221.156658] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.161502] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.167039] ? fput+0x130/0x1a0 [ 221.170320] ? __bpf_prog_get+0x9b/0x290 [ 221.174402] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.179255] ? bpf_prog_test_run+0x130/0x1a0 [ 221.183671] ? __x64_sys_bpf+0x3d8/0x510 [ 221.187759] ? bpf_prog_get+0x20/0x20 [ 221.191580] ? do_syscall_64+0x1b9/0x820 [ 221.195644] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 221.201014] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.205945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.210792] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.215820] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.220840] ? prepare_exit_to_usermode+0x291/0x3b0 [ 221.225865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.230727] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.236104] warn_alloc_show_mem: 1 callbacks suppressed [ 221.236116] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 221.236118] Mem-Info: [ 221.236149] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 221.236149] active_file:13 inactive_file:14 isolated_file:0 [ 221.236149] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.236149] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 221.236149] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 221.236149] free:13777 free_pcp:213 free_cma:0 [ 221.241671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.248442] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.250852] Call Trace: [ 221.283731] Node 0 [ 221.293095] dump_stack+0x1c4/0x2b4 [ 221.320598] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 221.323162] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.325398] lowmem_reserve[]: [ 221.329041] warn_alloc.cold.119+0xb7/0x1bd [ 221.354518] 0 2819 [ 221.359734] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.362811] 6323 [ 221.367136] ? lock_downgrade+0x900/0x900 [ 221.369350] 6323 [ 221.374192] ? trace_hardirqs_off+0xb8/0x310 [ 221.380381] ? trace_hardirqs_off+0xb8/0x310 [ 221.382431] Node 0 [ 221.386842] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.391264] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 221.393523] ? warn_alloc+0x120/0x120 [ 221.398320] lowmem_reserve[]: [ 221.425305] ? __bfs+0x385/0x7a0 [ 221.429075] 0 0 [ 221.432186] ? print_usage_bug+0xc0/0xc0 [ 221.435522] 3503 3503 [ 221.437502] ? warn_alloc+0x120/0x120 [ 221.441562] Node 0 [ 221.444058] ? print_usage_bug+0xc0/0xc0 [ 221.447872] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 221.450083] ? lock_pin_lock+0x350/0x350 [ 221.454121] lowmem_reserve[]: [ 221.482396] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 221.486450] 0 [ 221.489560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.494543] 0 0 [ 221.496354] ? should_fail+0x22d/0xd01 [ 221.501861] 0 [ 221.503858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.507734] Node 0 [ 221.509532] ? __lock_acquire+0x7ec/0x4ec0 [ 221.514611] DMA: [ 221.516855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.521074] 1*4kB [ 221.523135] ? should_fail+0x22d/0xd01 [ 221.528223] (U) [ 221.530398] ? __save_stack_trace+0x7d/0xf0 [ 221.534279] 0*8kB [ 221.536255] ? mark_held_locks+0x130/0x130 [ 221.540545] 0*16kB 1*32kB [ 221.542701] ? mark_held_locks+0x130/0x130 [ 221.546914] (U) [ 221.549756] ? save_trace+0xe0/0x290 [ 221.553980] 2*64kB [ 221.555953] ? kasan_check_read+0x11/0x20 [ 221.559641] (U) 1*128kB [ 221.561892] ? __lock_acquire+0x2881/0x4ec0 [ 221.566011] (U) [ 221.568682] ? graph_lock+0x170/0x170 [ 221.572984] 1*256kB [ 221.574963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.578738] (U) [ 221.581065] ? check_preemption_disabled+0x48/0x200 [ 221.586588] 0*512kB [ 221.588561] ? check_preemption_disabled+0x48/0x200 [ 221.593556] 1*1024kB [ 221.595883] ? __lock_is_held+0xb5/0x140 [ 221.600874] (U) [ 221.603326] __alloc_pages_nodemask+0xa80/0xde0 [ 221.607362] 1*2048kB [ 221.609358] ? graph_lock+0x170/0x170 [ 221.614013] (M) 3*4096kB [ 221.616447] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.620229] (M) [ 221.622996] ? graph_lock+0x170/0x170 [ 221.627986] = 15908kB [ 221.627995] Node 0 [ 221.629978] ? find_held_lock+0x36/0x1c0 [ 221.633759] DMA32: [ 221.636172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.638382] 4*4kB [ 221.642447] ? lock_downgrade+0x900/0x900 [ 221.644679] (M) [ 221.649369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.651498] 1*8kB [ 221.655652] cache_grow_begin+0x91/0x8c0 [ 221.657605] (U) [ 221.663153] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.665306] 3*16kB [ 221.669400] fallback_alloc+0x203/0x2e0 [ 221.671361] (UM) [ 221.675768] ____cache_alloc_node+0x1c7/0x1e0 [ 221.677987] 3*32kB [ 221.681970] kmem_cache_alloc_node+0xe3/0x730 [ 221.684013] (UM) [ 221.689072] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.691336] 5*64kB (UM) [ 221.695861] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 221.697909] 3*128kB [ 221.702315] __alloc_skb+0x119/0x770 [ 221.704959] (M) [ 221.709541] ? skb_scrub_packet+0x490/0x490 [ 221.711842] 3*256kB [ 221.715564] ? atomic_notifier_call_chain+0xc6/0x190 [ 221.717516] (M) [ 221.721832] ? lock_downgrade+0x900/0x900 [ 221.724138] 4*512kB [ 221.729241] ? check_preemption_disabled+0x48/0x200 [ 221.731204] (UM) [ 221.735353] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.737653] 3*1024kB [ 221.742660] ? kasan_check_read+0x11/0x20 [ 221.744708] (UM) [ 221.750506] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.752912] 1*2048kB [ 221.757061] ? rcu_bh_qs+0xc0/0xc0 [ 221.759102] (M) [ 221.764393] ? do_raw_write_trylock+0x1c0/0x1c0 [ 221.766793] 4*4096kB [ 221.770329] __neigh_notify+0x8c/0x160 [ 221.772284] (M) [ 221.776953] ? __neigh_event_send+0x1390/0x1390 [ 221.779342] = 25192kB [ 221.783235] neigh_timer_handler+0x6cb/0xdf0 [ 221.785197] Node 0 [ 221.789902] ? neigh_invalidate+0x550/0x550 [ 221.792301] Normal: [ 221.796724] ? __lock_is_held+0xb5/0x140 [ 221.798937] 824*4kB [ 221.803295] call_timer_fn+0x272/0x920 [ 221.805611] (MEH) [ 221.809680] ? neigh_invalidate+0x550/0x550 [ 221.811995] 371*8kB [ 221.815878] ? process_timeout+0x40/0x40 [ 221.818005] (ME) [ 221.822348] ? find_held_lock+0x36/0x1c0 [ 221.824646] 164*16kB [ 221.828731] ? __run_timers+0x7da/0xc70 [ 221.830762] (ME) [ 221.834834] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.837230] 69*32kB [ 221.841209] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.843259] (UMEH) [ 221.847757] ? neigh_invalidate+0x550/0x550 [ 221.850061] 28*64kB [ 221.854811] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.857024] (M) [ 221.861342] ? trace_hardirqs_on+0xbd/0x310 [ 221.863658] 1*128kB [ 221.868251] ? kasan_check_read+0x11/0x20 [ 221.870238] (M) [ 221.874568] ? __run_timers+0x7da/0xc70 [ 221.876879] 0*256kB [ 221.881023] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.882977] 0*512kB [ 221.886993] ? neigh_invalidate+0x550/0x550 [ 221.889289] 1*1024kB [ 221.894738] __run_timers+0x7e5/0xc70 [ 221.897038] (H) [ 221.901358] ? find_held_lock+0x36/0x1c0 [ 221.903751] 0*2048kB [ 221.907559] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.909508] 0*4096kB [ 221.913568] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.915959] = 14040kB [ 221.921316] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.923714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 221.928231] ? lockdep_hardirqs_on+0x421/0x5c0 [ 221.930652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 221.935140] ? trace_hardirqs_on+0xbd/0x310 [ 221.943962] 146 total pagecache pages [ 221.948556] ? kasan_check_read+0x11/0x20 [ 221.957128] 0 pages in swap cache [ 221.961463] ? finish_task_switch+0x1f5/0x900 [ 221.965246] Swap cache stats: add 0, delete 0, find 0/0 [ 221.969391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.972821] Free swap = 0kB [ 221.977315] ? compat_start_thread+0x80/0x80 [ 221.982657] Total swap = 0kB [ 221.988125] ? pvclock_read_flags+0x160/0x160 [ 221.991108] 1965979 pages RAM [ 221.995545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.998536] 0 pages HighMem/MovableOnly [ 222.003035] ? check_preemption_disabled+0x48/0x200 [ 222.006117] 342307 pages reserved [ 222.011699] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 222.015673] 0 pages cma reserved [ 222.020708] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.024232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.029686] ? rcu_pm_notify+0xc0/0xc0 [ 222.029703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.029726] ? check_preemption_disabled+0x48/0x200 [ 222.029748] run_timer_softirq+0x52/0xb0 [ 222.033151] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.038368] ? rcu_read_lock_sched_held+0x108/0x120 [ 222.044851] syz-executor3 cpuset= [ 222.048754] __do_softirq+0x30b/0xad8 [ 222.054276] syz3 [ 222.059312] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.063353] mems_allowed=0 [ 222.073861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.100875] ? schedule+0x108/0x460 [ 222.104518] ? trace_hardirqs_off+0xb8/0x310 [ 222.108927] ? smpboot_thread_fn+0x68b/0xa00 [ 222.113339] ? trace_hardirqs_on+0x310/0x310 [ 222.117752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.123292] ? check_preemption_disabled+0x48/0x200 [ 222.128319] ? takeover_tasklets+0xa90/0xa90 [ 222.132742] run_ksoftirqd+0x94/0x100 [ 222.136546] smpboot_thread_fn+0x68b/0xa00 [ 222.140802] ? sort_range+0x30/0x30 [ 222.144440] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.149557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.155096] ? __kthread_parkme+0xfb/0x1a0 [ 222.159352] kthread+0x35a/0x420 [ 222.162724] ? sort_range+0x30/0x30 [ 222.166350] ? kthread_bind+0x40/0x40 [ 222.170159] ret_from_fork+0x3a/0x50 [ 222.173892] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 222.174064] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.181090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.191389] ksoftirqd/0 cpuset= [ 222.200767] Call Trace: [ 222.200777] / [ 222.204044] [ 222.206628] mems_allowed=0 [ 222.208352] dump_stack+0x1c4/0x2b4 [ 222.217029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.222243] warn_alloc.cold.119+0xb7/0x1bd [ 222.226573] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.231459] ? lock_downgrade+0x900/0x900 [ 222.235633] ? trace_hardirqs_off+0xb8/0x310 [ 222.240051] ? trace_hardirqs_off+0xb8/0x310 [ 222.244471] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.249347] ? warn_alloc+0x120/0x120 [ 222.253154] ? warn_alloc+0x120/0x120 [ 222.256961] ? print_usage_bug+0xc0/0xc0 [ 222.261026] ? warn_alloc+0x120/0x120 [ 222.264833] ? print_usage_bug+0xc0/0xc0 [ 222.268904] ? __lock_acquire+0x7ec/0x4ec0 [ 222.273139] ? __lock_acquire+0x7ec/0x4ec0 [ 222.277383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.282923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.288474] ? should_fail+0x22d/0xd01 [ 222.293065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.298205] ? __lock_acquire+0x7ec/0x4ec0 [ 222.302463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.307592] ? __lock_acquire+0x7ec/0x4ec0 [ 222.311824] ? should_fail+0x22d/0xd01 [ 222.315781] ? mark_held_locks+0x130/0x130 [ 222.320020] ? mark_held_locks+0x130/0x130 [ 222.324275] ? graph_lock+0x170/0x170 [ 222.328076] ? print_usage_bug+0xc0/0xc0 [ 222.332135] ? graph_lock+0x170/0x170 [ 222.335933] ? print_usage_bug+0xc0/0xc0 [ 222.339996] ? wq_watchdog_touch+0x9c/0xfe [ 222.344238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.349776] ? check_preemption_disabled+0x48/0x200 [ 222.354826] ? check_preemption_disabled+0x48/0x200 [ 222.359878] ? __lock_is_held+0xb5/0x140 [ 222.363947] __alloc_pages_nodemask+0xa80/0xde0 [ 222.368618] ? graph_lock+0x170/0x170 [ 222.372434] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.377451] ? graph_lock+0x170/0x170 [ 222.381260] ? find_held_lock+0x36/0x1c0 [ 222.385329] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.389999] ? lock_downgrade+0x900/0x900 [ 222.394169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.399711] cache_grow_begin+0x91/0x8c0 [ 222.403790] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.408221] fallback_alloc+0x203/0x2e0 [ 222.412208] ____cache_alloc_node+0x1c7/0x1e0 [ 222.416719] kmem_cache_alloc_node+0xe3/0x730 [ 222.421228] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.425476] __alloc_skb+0x119/0x770 [ 222.429196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.434480] ? skb_scrub_packet+0x490/0x490 [ 222.438808] ? lock_downgrade+0x900/0x900 [ 222.442965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.448509] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.453968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.459442] ? addrconf_rs_timer+0x690/0x690 [ 222.463878] ndisc_alloc_skb+0x144/0x340 [ 222.467970] ndisc_send_rs+0x331/0x6e0 [ 222.471866] addrconf_rs_timer+0x314/0x690 [ 222.476108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.480383] call_timer_fn+0x272/0x920 [ 222.484283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.488522] ? process_timeout+0x40/0x40 [ 222.492586] ? find_held_lock+0x36/0x1c0 [ 222.496654] ? __run_timers+0x7da/0xc70 [ 222.500633] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.505131] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.509638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.513881] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 222.518472] ? trace_hardirqs_on+0xbd/0x310 [ 222.522795] ? kasan_check_read+0x11/0x20 [ 222.526948] ? __run_timers+0x7da/0xc70 [ 222.530926] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.536384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.540637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.544881] __run_timers+0x7e5/0xc70 [ 222.548696] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.554061] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.559093] ? graph_lock+0x170/0x170 [ 222.562896] ? enqueue_hrtimer+0x1a5/0x560 [ 222.567139] ? lock_release+0x970/0x970 [ 222.571115] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.576312] ? find_held_lock+0x36/0x1c0 [ 222.580384] ? graph_lock+0x170/0x170 [ 222.584193] ? pvclock_read_flags+0x160/0x160 [ 222.588694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.594237] ? check_preemption_disabled+0x48/0x200 [ 222.599291] ? __lock_is_held+0xb5/0x140 [ 222.603380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.608921] ? check_preemption_disabled+0x48/0x200 [ 222.613960] run_timer_softirq+0x52/0xb0 [ 222.618020] ? rcu_read_lock_sched_held+0x108/0x120 [ 222.623042] __do_softirq+0x30b/0xad8 [ 222.626857] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.631970] ? pvclock_read_flags+0x160/0x160 [ 222.636466] ? lapic_next_event+0x5a/0x90 [ 222.640620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.646165] ? check_preemption_disabled+0x48/0x200 [ 222.651185] ? check_preemption_disabled+0x48/0x200 [ 222.656235] ? kvm_clock_read+0x18/0x30 [ 222.660217] ? kvm_sched_clock_read+0x9/0x20 [ 222.664631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.670189] ? check_preemption_disabled+0x48/0x200 [ 222.675234] irq_exit+0x17f/0x1c0 [ 222.678698] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.683559] ? smp_reschedule_interrupt+0x109/0x650 [ 222.688592] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.694485] ? interrupt_entry+0xb5/0xf0 [ 222.698550] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.703582] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.708599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.713450] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.718482] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.723526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.729077] ? check_preemption_disabled+0x48/0x200 [ 222.734095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.739643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.744498] apic_timer_interrupt+0xf/0x20 [ 222.748730] [ 222.750978] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 222.755910] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 222.774811] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 222.782533] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 222.789802] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 222.797569] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 222.804845] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 222.812119] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 222.819454] skb_clone+0x1bb/0x500 [ 222.823001] ? finish_task_switch+0x1b5/0x900 [ 222.827500] ? skb_split+0x11e0/0x11e0 [ 222.831394] ? preempt_notifier_register+0x200/0x200 [ 222.836509] ? __switch_to_asm+0x34/0x70 [ 222.840574] ? __switch_to_asm+0x34/0x70 [ 222.844635] ? __switch_to_asm+0x40/0x70 [ 222.848699] ? __switch_to_asm+0x34/0x70 [ 222.852759] ? __switch_to_asm+0x40/0x70 [ 222.856822] ? __switch_to_asm+0x34/0x70 [ 222.860881] ? __switch_to_asm+0x40/0x70 [ 222.864940] ? __switch_to_asm+0x34/0x70 [ 222.869009] ? __switch_to_asm+0x34/0x70 [ 222.873071] ? __switch_to_asm+0x40/0x70 [ 222.877134] ? __switch_to_asm+0x34/0x70 [ 222.881215] bpf_clone_redirect+0xb9/0x490 [ 222.885460] ? __schedule+0x874/0x1ed0 [ 222.889362] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 222.894386] ? __sched_text_start+0x8/0x8 [ 222.898547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.903323] ? find_held_lock+0x36/0x1c0 [ 222.907405] ? lock_acquire+0x1ed/0x520 [ 222.911386] ? bpf_test_run+0x32e/0x5a0 [ 222.915403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.920956] ? check_preemption_disabled+0x48/0x200 [ 222.925980] ? kasan_check_read+0x11/0x20 [ 222.930131] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.935409] ? rcu_bh_qs+0xc0/0xc0 [ 222.938962] ? preempt_schedule+0x4d/0x60 [ 222.943114] ? ___preempt_schedule+0x16/0x18 [ 222.947552] ? bpf_test_run+0x1c0/0x5a0 [ 222.951540] ? netlink_diag_dump+0x2a0/0x2a0 [ 222.955955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.961498] ? bpf_test_init.isra.9+0x70/0x100 [ 222.966087] ? bpf_prog_test_run_skb+0x634/0xb40 [ 222.970850] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.975696] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.981240] ? fput+0x130/0x1a0 [ 222.984525] ? __bpf_prog_get+0x9b/0x290 [ 222.988598] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.993450] ? bpf_prog_test_run+0x130/0x1a0 [ 222.997863] ? __x64_sys_bpf+0x3d8/0x510 [ 223.001922] ? bpf_prog_get+0x20/0x20 [ 223.005751] ? do_syscall_64+0x1b9/0x820 [ 223.009850] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.015224] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.020156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.025005] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.030028] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.035050] ? prepare_exit_to_usermode+0x291/0x3b0 [ 223.040086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.044954] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.050332] warn_alloc_show_mem: 1 callbacks suppressed [ 223.050343] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 223.050345] Mem-Info: [ 223.050376] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 223.050376] active_file:13 inactive_file:14 isolated_file:0 [ 223.050376] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.050376] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 223.050376] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 223.050376] free:13777 free_pcp:213 free_cma:0 [ 223.055730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.062493] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.064892] Call Trace: [ 223.097775] Node 0 [ 223.107153] dump_stack+0x1c4/0x2b4 [ 223.134651] 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 [ 223.137219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.139439] lowmem_reserve[]: [ 223.143070] warn_alloc.cold.119+0xb7/0x1bd [ 223.168540] 0 2819 [ 223.173753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.176839] 6323 [ 223.181178] ? lock_downgrade+0x900/0x900 [ 223.183383] 6323 [ 223.188236] ? trace_hardirqs_off+0xb8/0x310 [ 223.190276] Node 0 [ 223.194436] ? trace_hardirqs_off+0xb8/0x310 [ 223.196501] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 223.200884] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.203099] lowmem_reserve[]: [ 223.207567] ? warn_alloc+0x120/0x120 [ 223.234508] 0 [ 223.239356] ? warn_alloc+0x120/0x120 [ 223.242441] 0 [ 223.246240] ? print_usage_bug+0xc0/0xc0 [ 223.248022] 3503 [ 223.251828] ? warn_alloc+0x120/0x120 [ 223.253614] 3503 [ 223.257669] ? print_usage_bug+0xc0/0xc0 [ 223.259716] Node 0 [ 223.263517] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 223.265590] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 223.269626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.271840] lowmem_reserve[]: [ 223.276857] ? should_fail+0x22d/0xd01 [ 223.305132] 0 [ 223.310672] ? should_fail+0x22d/0xd01 [ 223.313762] 0 [ 223.317648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.319430] 0 0 [ 223.323327] ? __lock_acquire+0x7ec/0x4ec0 [ 223.330233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.332192] Node 0 [ 223.336446] ? __lock_acquire+0x7ec/0x4ec0 [ 223.341540] DMA: [ 223.343774] ? should_fail+0x22d/0xd01 [ 223.347990] 1*4kB [ 223.350065] ? should_fail+0x22d/0xd01 [ 223.353947] (U) [ 223.356106] ? __save_stack_trace+0x7d/0xf0 [ 223.359971] 0*8kB [ 223.361953] ? mark_held_locks+0x130/0x130 [ 223.366255] 0*16kB [ 223.368402] ? mark_held_locks+0x130/0x130 [ 223.372624] 1*32kB [ 223.374861] ? save_trace+0xe0/0x290 [ 223.379074] (U) [ 223.381332] ? graph_lock+0x170/0x170 [ 223.385023] 2*64kB (U) [ 223.387011] ? kasan_check_read+0x11/0x20 [ 223.390800] 1*128kB [ 223.393388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.397513] (U) [ 223.399837] ? graph_lock+0x170/0x170 [ 223.405358] 1*256kB [ 223.407332] ? print_usage_bug+0xc0/0xc0 [ 223.411114] (U) [ 223.413447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.417490] 0*512kB [ 223.419469] ? check_preemption_disabled+0x48/0x200 [ 223.424981] 1*1024kB [ 223.427305] ? check_preemption_disabled+0x48/0x200 [ 223.432303] (U) [ 223.434724] ? __lock_is_held+0xb5/0x140 [ 223.439709] 1*2048kB [ 223.441691] __alloc_pages_nodemask+0xa80/0xde0 [ 223.445729] (M) [ 223.448151] ? graph_lock+0x170/0x170 [ 223.452813] 3*4096kB [ 223.454792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.458578] (M) [ 223.460991] ? graph_lock+0x170/0x170 [ 223.465986] = 15908kB [ 223.467967] ? find_held_lock+0x36/0x1c0 [ 223.471742] Node 0 [ 223.474156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.478204] DMA32: [ 223.480448] ? lock_downgrade+0x900/0x900 [ 223.485099] 4*4kB [ 223.487340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.491464] (M) [ 223.493614] cache_grow_begin+0x91/0x8c0 [ 223.499127] 1*8kB [ 223.501102] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.505138] (U) [ 223.507318] fallback_alloc+0x203/0x2e0 [ 223.511702] 3*16kB [ 223.513686] ____cache_alloc_node+0x1c7/0x1e0 [ 223.517636] (UM) [ 223.519881] kmem_cache_alloc_node+0xe3/0x730 [ 223.524353] 3*32kB [ 223.526414] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.530896] (UM) [ 223.533141] __alloc_skb+0x119/0x770 [ 223.537357] 5*64kB [ 223.539444] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.543133] (UM) [ 223.545368] ? skb_scrub_packet+0x490/0x490 [ 223.550623] 3*128kB [ 223.552683] ? lock_downgrade+0x900/0x900 [ 223.556985] (M) [ 223.559321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.563450] 3*256kB [ 223.565440] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.570954] (M) [ 223.573280] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.578703] 4*512kB (UM) [ 223.580701] ? addrconf_rs_timer+0x690/0x690 [ 223.586126] 3*1024kB (UM) [ 223.588907] ndisc_alloc_skb+0x144/0x340 [ 223.593288] 1*2048kB [ 223.596135] ndisc_send_rs+0x331/0x6e0 [ 223.600172] (M) [ 223.602588] addrconf_rs_timer+0x314/0x690 [ 223.606468] 4*4096kB (M) [ 223.608462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.612668] = 25192kB [ 223.612678] Node 0 [ 223.615459] call_timer_fn+0x272/0x920 [ 223.619663] Normal: [ 223.622073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.624289] 824*4kB [ 223.628174] ? process_timeout+0x40/0x40 [ 223.630477] (MEH) [ 223.634736] ? find_held_lock+0x36/0x1c0 [ 223.637038] 371*8kB [ 223.641100] ? __run_timers+0x7da/0xc70 [ 223.643233] (ME) [ 223.647300] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.649595] 164*16kB (ME) [ 223.653576] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.655624] 69*32kB [ 223.660122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.662946] (UMEH) [ 223.667451] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 223.669776] 28*64kB [ 223.674014] ? trace_hardirqs_on+0xbd/0x310 [ 223.676235] (M) [ 223.680815] ? kasan_check_read+0x11/0x20 [ 223.683120] 1*128kB [ 223.687630] ? __run_timers+0x7da/0xc70 [ 223.689588] (M) [ 223.693754] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.696060] 0*256kB [ 223.700042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.701989] 0*512kB 1*1024kB [ 223.707455] __run_timers+0x7e5/0xc70 [ 223.709765] (H) 0*2048kB [ 223.714012] ? find_held_lock+0x36/0x1c0 [ 223.717097] 0*4096kB = 14040kB [ 223.720916] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.723656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 223.727717] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.730890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 223.736244] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.745079] 146 total pagecache pages [ 223.749584] ? lockdep_hardirqs_on+0x421/0x5c0 [ 223.758147] 0 pages in swap cache [ 223.762638] ? trace_hardirqs_on+0xbd/0x310 [ 223.766428] Swap cache stats: add 0, delete 0, find 0/0 [ 223.771008] ? kasan_check_read+0x11/0x20 [ 223.774455] Free swap = 0kB [ 223.778788] ? finish_task_switch+0x1f5/0x900 [ 223.784128] Total swap = 0kB [ 223.784138] 1965979 pages RAM [ 223.788291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.791296] 0 pages HighMem/MovableOnly [ 223.795793] ? compat_start_thread+0x80/0x80 [ 223.798792] 342307 pages reserved [ 223.798801] 0 pages cma reserved [ 223.801921] ? pvclock_read_flags+0x160/0x160 [ 223.807453] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.811332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.815783] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.819196] ? check_preemption_disabled+0x48/0x200 [ 223.822550] syz-executor3 cpuset= [ 223.827056] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 223.833536] syz3 [ 223.839084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.849562] mems_allowed=0 [ 223.854595] ? rcu_pm_notify+0xc0/0xc0 [ 223.877594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.883143] ? check_preemption_disabled+0x48/0x200 [ 223.888171] run_timer_softirq+0x52/0xb0 [ 223.892263] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.897284] __do_softirq+0x30b/0xad8 [ 223.901099] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.906221] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.910991] ? schedule+0x108/0x460 [ 223.914632] ? trace_hardirqs_off+0xb8/0x310 [ 223.919056] ? smpboot_thread_fn+0x68b/0xa00 [ 223.923471] ? trace_hardirqs_on+0x310/0x310 [ 223.927892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.933443] ? check_preemption_disabled+0x48/0x200 [ 223.938474] ? takeover_tasklets+0xa90/0xa90 [ 223.942891] run_ksoftirqd+0x94/0x100 [ 223.946695] smpboot_thread_fn+0x68b/0xa00 [ 223.950942] ? sort_range+0x30/0x30 [ 223.954583] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.959699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.965248] ? __kthread_parkme+0xfb/0x1a0 [ 223.969495] kthread+0x35a/0x420 [ 223.972867] ? sort_range+0x30/0x30 [ 223.976500] ? kthread_bind+0x40/0x40 [ 223.980314] ret_from_fork+0x3a/0x50 [ 223.984057] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 223.984131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.991255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.991261] Call Trace: [ 223.991268] [ 223.991287] dump_stack+0x1c4/0x2b4 [ 223.991307] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.997886] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.007172] warn_alloc.cold.119+0xb7/0x1bd [ 224.009757] ksoftirqd/0 cpuset= [ 224.011907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.015516] / [ 224.020705] ? lock_downgrade+0x900/0x900 [ 224.031005] mems_allowed=0 [ 224.035327] ? trace_hardirqs_off+0xb8/0x310 [ 224.056638] ? trace_hardirqs_off+0xb8/0x310 [ 224.061078] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.065962] ? warn_alloc+0x120/0x120 [ 224.069772] ? warn_alloc+0x120/0x120 [ 224.073586] ? print_usage_bug+0xc0/0xc0 [ 224.077654] ? warn_alloc+0x120/0x120 [ 224.081463] ? print_usage_bug+0xc0/0xc0 [ 224.085540] ? __lock_acquire+0x7ec/0x4ec0 [ 224.089778] ? __lock_acquire+0x7ec/0x4ec0 [ 224.094018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.099565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.105111] ? should_fail+0x22d/0xd01 [ 224.109011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.114119] ? __lock_acquire+0x7ec/0x4ec0 [ 224.118362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.123469] ? __lock_acquire+0x7ec/0x4ec0 [ 224.127707] ? should_fail+0x22d/0xd01 [ 224.131610] ? mark_held_locks+0x130/0x130 [ 224.135854] ? mark_held_locks+0x130/0x130 [ 224.140095] ? graph_lock+0x170/0x170 [ 224.143902] ? print_usage_bug+0xc0/0xc0 [ 224.147970] ? graph_lock+0x170/0x170 [ 224.151773] ? print_usage_bug+0xc0/0xc0 [ 224.155837] ? wq_watchdog_touch+0x9c/0xfe [ 224.160078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.165623] ? check_preemption_disabled+0x48/0x200 [ 224.170647] ? check_preemption_disabled+0x48/0x200 [ 224.175702] ? __lock_is_held+0xb5/0x140 [ 224.179786] __alloc_pages_nodemask+0xa80/0xde0 [ 224.184459] ? graph_lock+0x170/0x170 [ 224.188273] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.193323] ? graph_lock+0x170/0x170 [ 224.197140] ? find_held_lock+0x36/0x1c0 [ 224.201243] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.205933] ? lock_downgrade+0x900/0x900 [ 224.210096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.215659] cache_grow_begin+0x91/0x8c0 [ 224.219728] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.224149] fallback_alloc+0x203/0x2e0 [ 224.228133] ____cache_alloc_node+0x1c7/0x1e0 [ 224.232638] kmem_cache_alloc_node+0xe3/0x730 [ 224.237139] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.241388] __alloc_skb+0x119/0x770 [ 224.245114] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.250400] ? skb_scrub_packet+0x490/0x490 [ 224.254753] ? lock_downgrade+0x900/0x900 [ 224.258915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.264457] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.269918] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.275377] ? addrconf_rs_timer+0x690/0x690 [ 224.279803] ndisc_alloc_skb+0x144/0x340 [ 224.283883] ndisc_send_rs+0x331/0x6e0 [ 224.287782] addrconf_rs_timer+0x314/0x690 [ 224.292027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.296283] call_timer_fn+0x272/0x920 [ 224.300175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.304444] ? process_timeout+0x40/0x40 [ 224.308514] ? find_held_lock+0x36/0x1c0 [ 224.312599] ? __run_timers+0x7da/0xc70 [ 224.316585] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.321087] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.325586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.329834] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.334442] ? trace_hardirqs_on+0xbd/0x310 [ 224.338765] ? kasan_check_read+0x11/0x20 [ 224.342921] ? __run_timers+0x7da/0xc70 [ 224.346908] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.352369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.356614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.360854] __run_timers+0x7e5/0xc70 [ 224.364675] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.370042] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.375063] ? graph_lock+0x170/0x170 [ 224.378870] ? enqueue_hrtimer+0x1a5/0x560 [ 224.383108] ? lock_release+0x970/0x970 [ 224.387090] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.392290] ? find_held_lock+0x36/0x1c0 [ 224.396360] ? graph_lock+0x170/0x170 [ 224.400170] ? pvclock_read_flags+0x160/0x160 [ 224.404677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.410235] ? check_preemption_disabled+0x48/0x200 [ 224.415272] ? __lock_is_held+0xb5/0x140 [ 224.419343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.424884] ? check_preemption_disabled+0x48/0x200 [ 224.429912] run_timer_softirq+0x52/0xb0 [ 224.433976] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.438999] __do_softirq+0x30b/0xad8 [ 224.442816] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.447934] ? pvclock_read_flags+0x160/0x160 [ 224.452438] ? lapic_next_event+0x5a/0x90 [ 224.456591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.462133] ? check_preemption_disabled+0x48/0x200 [ 224.467152] ? check_preemption_disabled+0x48/0x200 [ 224.472178] ? kvm_clock_read+0x18/0x30 [ 224.476162] ? kvm_sched_clock_read+0x9/0x20 [ 224.480581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.486127] ? check_preemption_disabled+0x48/0x200 [ 224.491160] irq_exit+0x17f/0x1c0 [ 224.494623] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.499480] ? smp_reschedule_interrupt+0x109/0x650 [ 224.504503] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.510390] ? interrupt_entry+0xb5/0xf0 [ 224.514469] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.519494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.524516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.529367] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.534449] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.539491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.545037] ? check_preemption_disabled+0x48/0x200 [ 224.550055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.555622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.560484] apic_timer_interrupt+0xf/0x20 [ 224.564738] [ 224.566985] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 224.571922] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 224.590825] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 224.598542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 224.605816] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 224.613087] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 224.620358] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 224.627632] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 224.634943] skb_clone+0x1bb/0x500 [ 224.638506] ? finish_task_switch+0x1b5/0x900 [ 224.643008] ? skb_split+0x11e0/0x11e0 [ 224.646900] ? preempt_notifier_register+0x200/0x200 [ 224.652004] ? __switch_to_asm+0x34/0x70 [ 224.656066] ? __switch_to_asm+0x34/0x70 [ 224.660132] ? __switch_to_asm+0x40/0x70 [ 224.664193] ? __switch_to_asm+0x34/0x70 [ 224.668261] ? __switch_to_asm+0x40/0x70 [ 224.672345] ? __switch_to_asm+0x34/0x70 [ 224.676444] ? __switch_to_asm+0x40/0x70 [ 224.680523] ? __switch_to_asm+0x34/0x70 [ 224.684591] ? __switch_to_asm+0x34/0x70 [ 224.688652] ? __switch_to_asm+0x40/0x70 [ 224.692714] ? __switch_to_asm+0x34/0x70 [ 224.696787] bpf_clone_redirect+0xb9/0x490 [ 224.701026] ? __schedule+0x874/0x1ed0 [ 224.704930] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 224.709951] ? __sched_text_start+0x8/0x8 [ 224.714114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.718889] ? find_held_lock+0x36/0x1c0 [ 224.722970] ? lock_acquire+0x1ed/0x520 [ 224.726947] ? bpf_test_run+0x32e/0x5a0 [ 224.730929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.736474] ? check_preemption_disabled+0x48/0x200 [ 224.741502] ? kasan_check_read+0x11/0x20 [ 224.745656] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.750957] ? rcu_bh_qs+0xc0/0xc0 [ 224.754533] ? preempt_schedule+0x4d/0x60 [ 224.758684] ? ___preempt_schedule+0x16/0x18 [ 224.763109] ? bpf_test_run+0x1c0/0x5a0 [ 224.767137] ? netlink_diag_dump+0x2a0/0x2a0 [ 224.771551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.777114] ? bpf_test_init.isra.9+0x70/0x100 [ 224.781707] ? bpf_prog_test_run_skb+0x634/0xb40 [ 224.786479] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.791330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.797326] ? fput+0x130/0x1a0 [ 224.800617] ? __bpf_prog_get+0x9b/0x290 [ 224.804685] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.809533] ? bpf_prog_test_run+0x130/0x1a0 [ 224.813953] ? __x64_sys_bpf+0x3d8/0x510 [ 224.818021] ? bpf_prog_get+0x20/0x20 [ 224.821851] ? do_syscall_64+0x1b9/0x820 [ 224.825919] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 224.831292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.836235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.841081] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.846101] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 224.851135] ? prepare_exit_to_usermode+0x291/0x3b0 [ 224.856167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.861021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.866402] warn_alloc_show_mem: 1 callbacks suppressed [ 224.866434] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 224.866436] Mem-Info: [ 224.866469] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 224.866469] active_file:13 inactive_file:14 isolated_file:0 [ 224.866469] unevictable:0 dirty:0 writeback:0 unstable:0 [ 224.866469] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 224.866469] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 224.866469] free:13777 free_pcp:213 free_cma:0 [ 224.871852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.878613] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 224.881012] Call Trace: [ 224.913879] Node 0 [ 224.923240] dump_stack+0x1c4/0x2b4 [ 224.950747] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 224.953307] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.955518] lowmem_reserve[]: 0 [ 224.959164] warn_alloc.cold.119+0xb7/0x1bd [ 224.984631] 2819 6323 [ 224.989836] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.993096] 6323 [ 224.997416] ? lock_downgrade+0x900/0x900 [ 225.004759] ? trace_hardirqs_off+0xb8/0x310 [ 225.006815] Node 0 [ 225.010975] ? trace_hardirqs_off+0xb8/0x310 [ 225.015384] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 225.017600] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.022014] lowmem_reserve[]: [ 225.049016] ? warn_alloc+0x120/0x120 [ 225.053814] 0 [ 225.056925] ? warn_alloc+0x120/0x120 [ 225.060705] 0 [ 225.062513] ? print_usage_bug+0xc0/0xc0 [ 225.066288] 3503 3503 [ 225.068110] ? warn_alloc+0x120/0x120 [ 225.074651] ? print_usage_bug+0xc0/0xc0 [ 225.078441] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 225.082530] ? __lock_acquire+0x7ec/0x4ec0 [ 225.082548] ? __lock_acquire+0x7ec/0x4ec0 [ 225.111410] lowmem_reserve[]: 0 [ 225.115668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.119874] 0 0 [ 225.123162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.128677] 0 [ 225.130689] ? should_fail+0x22d/0xd01 [ 225.138000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.141872] Node 0 [ 225.146972] ? __lock_acquire+0x7ec/0x4ec0 [ 225.146975] DMA: 1*4kB [ 225.149235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.153449] (U) [ 225.156032] ? __lock_acquire+0x7ec/0x4ec0 [ 225.161118] 0*8kB [ 225.163097] ? should_fail+0x22d/0xd01 [ 225.167311] 0*16kB [ 225.169479] ? mark_held_locks+0x130/0x130 [ 225.173354] 1*32kB [ 225.175589] ? mark_held_locks+0x130/0x130 [ 225.179804] (U) [ 225.182039] ? mark_held_locks+0xc7/0x130 [ 225.186260] 2*64kB [ 225.188239] ? print_usage_bug+0xc0/0xc0 [ 225.192359] (U) 1*128kB [ 225.194607] ? graph_lock+0x170/0x170 [ 225.198639] (U) 1*256kB [ 225.201320] ? print_usage_bug+0xc0/0xc0 [ 225.205101] (U) [ 225.207773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.211812] 0*512kB [ 225.213821] ? check_preemption_disabled+0x48/0x200 [ 225.219336] 1*1024kB [ 225.221658] ? check_preemption_disabled+0x48/0x200 [ 225.226651] (U) [ 225.229068] ? __lock_is_held+0xb5/0x140 [ 225.234057] 1*2048kB [ 225.236038] __alloc_pages_nodemask+0xa80/0xde0 [ 225.240080] (M) [ 225.242490] ? graph_lock+0x170/0x170 [ 225.247140] 3*4096kB [ 225.249119] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.252907] (M) [ 225.255314] ? graph_lock+0x170/0x170 [ 225.260322] = 15908kB [ 225.262307] ? find_held_lock+0x36/0x1c0 [ 225.266081] Node 0 [ 225.268496] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.272532] DMA32: [ 225.274770] ? lock_downgrade+0x900/0x900 [ 225.279418] 4*4kB [ 225.281667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.285819] (M) [ 225.287972] cache_grow_begin+0x91/0x8c0 [ 225.293494] 1*8kB [ 225.295475] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.299524] (U) [ 225.301678] fallback_alloc+0x203/0x2e0 [ 225.306061] 3*16kB [ 225.308044] ____cache_alloc_node+0x1c7/0x1e0 [ 225.311991] (UM) [ 225.314248] kmem_cache_alloc_node+0xe3/0x730 [ 225.318716] 3*32kB (UM) [ 225.320800] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.325287] 5*64kB [ 225.327964] __alloc_skb+0x119/0x770 [ 225.332176] (UM) [ 225.334415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.338114] 3*128kB [ 225.340175] ? skb_scrub_packet+0x490/0x490 [ 225.345455] (M) [ 225.347780] ? lock_downgrade+0x900/0x900 [ 225.352082] 3*256kB (M) [ 225.354077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.358194] 4*512kB (UM) [ 225.360880] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.366390] 3*1024kB (UM) [ 225.369172] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.374608] 1*2048kB [ 225.377462] ? addrconf_rs_timer+0x690/0x690 [ 225.382896] (M) 4*4096kB [ 225.385324] ndisc_alloc_skb+0x144/0x340 [ 225.389701] (M) [ 225.392472] ndisc_send_rs+0x331/0x6e0 [ 225.396566] = 25192kB [ 225.398547] addrconf_rs_timer+0x314/0x690 [ 225.402412] Node 0 [ 225.404834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.409042] Normal: 824*4kB [ 225.411300] call_timer_fn+0x272/0x920 [ 225.415504] (MEH) [ 225.418528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.422414] 371*8kB [ 225.424572] ? process_timeout+0x40/0x40 [ 225.428792] (ME) [ 225.431121] ? find_held_lock+0x36/0x1c0 [ 225.435163] 164*16kB [ 225.437235] ? __run_timers+0x7da/0xc70 [ 225.441274] (ME) [ 225.443688] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.447646] 69*32kB [ 225.449706] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.454189] (UMEH) [ 225.456519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.460987] 28*64kB (M) [ 225.463228] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.463247] ? trace_hardirqs_on+0xbd/0x310 [ 225.467463] 1*128kB [ 225.470131] ? kasan_check_read+0x11/0x20 [ 225.474693] (M) [ 225.479023] ? __run_timers+0x7da/0xc70 [ 225.481332] 0*256kB [ 225.485491] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.487449] 0*512kB [ 225.491441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.493738] 1*1024kB [ 225.499200] __run_timers+0x7e5/0xc70 [ 225.501507] (H) [ 225.505745] ? find_held_lock+0x36/0x1c0 [ 225.508138] 0*2048kB [ 225.511946] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.513895] 0*4096kB [ 225.517954] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.520354] = 14040kB [ 225.525721] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.528114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.532607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 225.535001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.539488] ? trace_hardirqs_on+0xbd/0x310 [ 225.548306] 146 total pagecache pages [ 225.552887] ? kasan_check_read+0x11/0x20 [ 225.561458] 0 pages in swap cache [ 225.565786] ? finish_task_switch+0x1f5/0x900 [ 225.569569] Swap cache stats: add 0, delete 0, find 0/0 [ 225.573728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.577150] Free swap = 0kB [ 225.581649] ? compat_start_thread+0x80/0x80 [ 225.586986] Total swap = 0kB [ 225.586995] 1965979 pages RAM [ 225.592464] ? pvclock_read_flags+0x160/0x160 [ 225.595450] 0 pages HighMem/MovableOnly [ 225.599856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.602853] 342307 pages reserved [ 225.605962] ? check_preemption_disabled+0x48/0x200 [ 225.610443] 0 pages cma reserved [ 225.610520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.614451] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 225.620229] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.623449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.628450] syz-executor3 cpuset= [ 225.631819] ? rcu_pm_notify+0xc0/0xc0 [ 225.638292] syz3 [ 225.643858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.654337] mems_allowed=0 [ 225.677374] ? check_preemption_disabled+0x48/0x200 [ 225.682405] run_timer_softirq+0x52/0xb0 [ 225.686666] ? rcu_read_lock_sched_held+0x108/0x120 [ 225.691719] __do_softirq+0x30b/0xad8 [ 225.695545] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.700656] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.705437] ? schedule+0x108/0x460 [ 225.709085] ? trace_hardirqs_off+0xb8/0x310 [ 225.713509] ? smpboot_thread_fn+0x68b/0xa00 [ 225.717924] ? trace_hardirqs_on+0x310/0x310 [ 225.722349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.727910] ? check_preemption_disabled+0x48/0x200 [ 225.732935] ? takeover_tasklets+0xa90/0xa90 [ 225.737366] run_ksoftirqd+0x94/0x100 [ 225.741170] smpboot_thread_fn+0x68b/0xa00 [ 225.745415] ? sort_range+0x30/0x30 [ 225.749063] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.754168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.759736] ? __kthread_parkme+0xfb/0x1a0 [ 225.763978] kthread+0x35a/0x420 [ 225.767374] ? sort_range+0x30/0x30 [ 225.771006] ? kthread_bind+0x40/0x40 [ 225.774818] ret_from_fork+0x3a/0x50 [ 225.778556] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 225.778629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.785753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.785763] Call Trace: [ 225.792347] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.801599] [ 225.804175] ksoftirqd/0 cpuset= [ 225.814494] dump_stack+0x1c4/0x2b4 [ 225.816621] / [ 225.819906] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.823520] mems_allowed=0 [ 225.825250] warn_alloc.cold.119+0xb7/0x1bd [ 225.837673] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.842559] ? lock_downgrade+0x900/0x900 [ 225.846737] ? trace_hardirqs_off+0xb8/0x310 [ 225.851161] ? trace_hardirqs_off+0xb8/0x310 [ 225.855595] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.860486] ? warn_alloc+0x120/0x120 [ 225.864763] ? warn_alloc+0x120/0x120 [ 225.868575] ? print_usage_bug+0xc0/0xc0 [ 225.872648] ? warn_alloc+0x120/0x120 [ 225.876480] ? print_usage_bug+0xc0/0xc0 [ 225.880551] ? graph_lock+0x170/0x170 [ 225.884356] ? kvm_sched_clock_read+0x9/0x20 [ 225.888775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.894323] ? should_fail+0x22d/0xd01 [ 225.898242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.903357] ? __lock_acquire+0x7ec/0x4ec0 [ 225.907603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.912729] ? __lock_acquire+0x7ec/0x4ec0 [ 225.916970] ? should_fail+0x22d/0xd01 [ 225.920880] ? mark_held_locks+0x130/0x130 [ 225.925126] ? mark_held_locks+0x130/0x130 [ 225.929368] ? select_task_rq_fair+0x754/0x3500 [ 225.934044] ? lock_downgrade+0x900/0x900 [ 225.938197] ? check_preemption_disabled+0x48/0x200 [ 225.943231] ? graph_lock+0x170/0x170 [ 225.947038] ? print_usage_bug+0xc0/0xc0 [ 225.951109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.956656] ? check_preemption_disabled+0x48/0x200 [ 225.961679] ? check_preemption_disabled+0x48/0x200 [ 225.966713] ? __lock_is_held+0xb5/0x140 [ 225.970802] __alloc_pages_nodemask+0xa80/0xde0 [ 225.975485] ? graph_lock+0x170/0x170 [ 225.979297] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.984317] ? graph_lock+0x170/0x170 [ 225.988136] ? find_held_lock+0x36/0x1c0 [ 225.992215] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.996915] ? lock_downgrade+0x900/0x900 [ 226.001079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.006626] cache_grow_begin+0x91/0x8c0 [ 226.010690] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.015122] fallback_alloc+0x203/0x2e0 [ 226.019107] ____cache_alloc_node+0x1c7/0x1e0 [ 226.023616] kmem_cache_alloc_node+0xe3/0x730 [ 226.028125] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.032377] __alloc_skb+0x119/0x770 [ 226.036099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.041393] ? skb_scrub_packet+0x490/0x490 [ 226.045728] ? lock_downgrade+0x900/0x900 [ 226.049894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.055452] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.060916] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.066376] ? addrconf_rs_timer+0x690/0x690 [ 226.070821] ndisc_alloc_skb+0x144/0x340 [ 226.074899] ndisc_send_rs+0x331/0x6e0 [ 226.078802] addrconf_rs_timer+0x314/0x690 [ 226.083046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.087328] call_timer_fn+0x272/0x920 [ 226.091240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.095493] ? process_timeout+0x40/0x40 [ 226.099570] ? find_held_lock+0x36/0x1c0 [ 226.103646] ? __run_timers+0x7da/0xc70 [ 226.107639] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.112170] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.116701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.120978] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.125569] ? trace_hardirqs_on+0xbd/0x310 [ 226.129893] ? kasan_check_read+0x11/0x20 [ 226.134044] ? __run_timers+0x7da/0xc70 [ 226.138035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.143506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.147765] __run_timers+0x7e5/0xc70 [ 226.151610] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.156980] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.162005] ? graph_lock+0x170/0x170 [ 226.165839] ? enqueue_hrtimer+0x1a5/0x560 [ 226.170080] ? lock_release+0x970/0x970 [ 226.174064] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.179268] ? find_held_lock+0x36/0x1c0 [ 226.183339] ? graph_lock+0x170/0x170 [ 226.187146] ? pvclock_read_flags+0x160/0x160 [ 226.191647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.197194] ? check_preemption_disabled+0x48/0x200 [ 226.202239] ? __lock_is_held+0xb5/0x140 [ 226.206309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.211854] ? check_preemption_disabled+0x48/0x200 [ 226.216884] run_timer_softirq+0x52/0xb0 [ 226.220956] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.225982] __do_softirq+0x30b/0xad8 [ 226.229799] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.234931] ? pvclock_read_flags+0x160/0x160 [ 226.239438] ? lapic_next_event+0x5a/0x90 [ 226.243596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.249142] ? check_preemption_disabled+0x48/0x200 [ 226.254160] ? check_preemption_disabled+0x48/0x200 [ 226.259185] ? kvm_clock_read+0x18/0x30 [ 226.263167] ? kvm_sched_clock_read+0x9/0x20 [ 226.267585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.273130] ? check_preemption_disabled+0x48/0x200 [ 226.278162] irq_exit+0x17f/0x1c0 [ 226.281624] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.286474] ? smp_reschedule_interrupt+0x109/0x650 [ 226.291512] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.297403] ? interrupt_entry+0xb5/0xf0 [ 226.301494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.306518] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.311544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.316396] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.321436] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.326468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.332023] ? check_preemption_disabled+0x48/0x200 [ 226.337040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.342594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.347468] apic_timer_interrupt+0xf/0x20 [ 226.351701] [ 226.353951] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.358885] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 226.377799] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 226.385517] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 226.392789] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 226.400062] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 226.407345] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 226.414631] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 226.421953] skb_clone+0x1bb/0x500 [ 226.425508] ? finish_task_switch+0x1b5/0x900 [ 226.430007] ? skb_split+0x11e0/0x11e0 [ 226.433903] ? preempt_notifier_register+0x200/0x200 [ 226.439007] ? __switch_to_asm+0x34/0x70 [ 226.443070] ? __switch_to_asm+0x34/0x70 [ 226.447143] ? __switch_to_asm+0x40/0x70 [ 226.451216] ? __switch_to_asm+0x34/0x70 [ 226.455292] ? __switch_to_asm+0x40/0x70 [ 226.459358] ? __switch_to_asm+0x34/0x70 [ 226.463431] ? __switch_to_asm+0x40/0x70 [ 226.467511] ? __switch_to_asm+0x34/0x70 [ 226.471577] ? __switch_to_asm+0x34/0x70 [ 226.475643] ? __switch_to_asm+0x40/0x70 [ 226.479711] ? __switch_to_asm+0x34/0x70 [ 226.483789] bpf_clone_redirect+0xb9/0x490 [ 226.488031] ? __schedule+0x874/0x1ed0 [ 226.491928] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 226.496952] ? __sched_text_start+0x8/0x8 [ 226.501105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.505895] ? find_held_lock+0x36/0x1c0 [ 226.509973] ? lock_acquire+0x1ed/0x520 [ 226.513957] ? bpf_test_run+0x32e/0x5a0 [ 226.517945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.523495] ? check_preemption_disabled+0x48/0x200 [ 226.528517] ? kasan_check_read+0x11/0x20 [ 226.532676] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.537963] ? rcu_bh_qs+0xc0/0xc0 [ 226.541514] ? preempt_schedule+0x4d/0x60 [ 226.545668] ? ___preempt_schedule+0x16/0x18 [ 226.550089] ? bpf_test_run+0x1c0/0x5a0 [ 226.554079] ? netlink_diag_dump+0x2a0/0x2a0 [ 226.558498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.564042] ? bpf_test_init.isra.9+0x70/0x100 [ 226.568637] ? bpf_prog_test_run_skb+0x634/0xb40 [ 226.573404] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.578260] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.583798] ? fput+0x130/0x1a0 [ 226.587086] ? __bpf_prog_get+0x9b/0x290 [ 226.591157] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.596001] ? bpf_prog_test_run+0x130/0x1a0 [ 226.600430] ? __x64_sys_bpf+0x3d8/0x510 [ 226.604505] ? bpf_prog_get+0x20/0x20 [ 226.608337] ? do_syscall_64+0x1b9/0x820 [ 226.612444] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.617838] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.622773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.627624] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.632645] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.637671] ? prepare_exit_to_usermode+0x291/0x3b0 [ 226.642701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.647566] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.652952] warn_alloc_show_mem: 1 callbacks suppressed [ 226.652964] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 226.652967] Mem-Info: [ 226.652999] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 226.652999] active_file:13 inactive_file:14 isolated_file:0 [ 226.652999] unevictable:0 dirty:0 writeback:0 unstable:0 [ 226.652999] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 226.652999] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 226.652999] free:13777 free_pcp:213 free_cma:0 [ 226.658349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.665111] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 226.667513] Call Trace: [ 226.700392] Node 0 [ 226.709781] dump_stack+0x1c4/0x2b4 [ 226.737291] 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 [ 226.739876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.742086] lowmem_reserve[]: [ 226.745728] warn_alloc.cold.119+0xb7/0x1bd [ 226.771375] 0 2819 [ 226.776600] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.779680] 6323 [ 226.784002] ? lock_downgrade+0x900/0x900 [ 226.786228] 6323 [ 226.791078] ? trace_hardirqs_off+0xb8/0x310 [ 226.797404] ? trace_hardirqs_off+0xb8/0x310 [ 226.799463] Node 0 [ 226.803881] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.808289] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 226.810529] ? warn_alloc+0x120/0x120 [ 226.815328] lowmem_reserve[]: [ 226.842316] ? warn_alloc+0x120/0x120 [ 226.846100] 0 [ 226.849210] ? print_usage_bug+0xc0/0xc0 [ 226.852987] 0 3503 [ 226.854802] ? warn_alloc+0x120/0x120 [ 226.858848] 3503 [ 226.861083] ? print_usage_bug+0xc0/0xc0 [ 226.866925] ? __lock_acquire+0x7ec/0x4ec0 [ 226.870967] Node 0 [ 226.875214] ? __lock_acquire+0x7ec/0x4ec0 [ 226.875248] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 226.875256] lowmem_reserve[]: [ 226.877496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.881718] 0 0 [ 226.910030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.913120] 0 [ 226.918666] ? should_fail+0x22d/0xd01 [ 226.920621] 0 [ 226.926169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.931855] ? __lock_acquire+0x7ec/0x4ec0 [ 226.933650] Node 0 [ 226.938750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.942966] DMA: [ 226.945202] ? __lock_acquire+0x7ec/0x4ec0 [ 226.950308] 1*4kB [ 226.952372] ? should_fail+0x22d/0xd01 [ 226.956586] (U) [ 226.958755] ? mark_held_locks+0x130/0x130 [ 226.962642] 0*8kB [ 226.964615] ? mark_held_locks+0x130/0x130 [ 226.968825] 0*16kB 1*32kB [ 226.970988] ? mark_held_locks+0xc7/0x130 [ 226.975199] (U) [ 226.978043] ? print_usage_bug+0xc0/0xc0 [ 226.982185] 2*64kB [ 226.984157] ? graph_lock+0x170/0x170 [ 226.988198] (U) [ 226.990444] ? print_usage_bug+0xc0/0xc0 [ 226.994245] 1*128kB [ 226.996223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.000270] (U) [ 227.002600] ? check_preemption_disabled+0x48/0x200 [ 227.008115] 1*256kB [ 227.010094] ? check_preemption_disabled+0x48/0x200 [ 227.015089] (U) [ 227.017463] ? __lock_is_held+0xb5/0x140 [ 227.022461] 0*512kB [ 227.024463] __alloc_pages_nodemask+0xa80/0xde0 [ 227.028493] 1*1024kB [ 227.030821] ? graph_lock+0x170/0x170 [ 227.035473] (U) [ 227.037902] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.041682] 1*2048kB [ 227.043652] ? graph_lock+0x170/0x170 [ 227.048647] (M) [ 227.051076] ? find_held_lock+0x36/0x1c0 [ 227.054850] 3*4096kB [ 227.056850] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.060883] (M) [ 227.063293] ? lock_downgrade+0x900/0x900 [ 227.067944] = 15908kB [ 227.069929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.074054] Node 0 [ 227.076469] cache_grow_begin+0x91/0x8c0 [ 227.081981] DMA32: [ 227.084224] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.088282] 4*4kB [ 227.090525] fallback_alloc+0x203/0x2e0 [ 227.094909] (M) [ 227.097064] ____cache_alloc_node+0x1c7/0x1e0 [ 227.101017] 1*8kB [ 227.102999] kmem_cache_alloc_node+0xe3/0x730 [ 227.107471] (U) [ 227.109635] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.114108] 3*16kB [ 227.116087] __alloc_skb+0x119/0x770 [ 227.120303] (UM) [ 227.122546] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.126241] 3*32kB [ 227.128301] ? skb_scrub_packet+0x490/0x490 [ 227.133562] (UM) [ 227.135802] ? lock_downgrade+0x900/0x900 [ 227.140102] 5*64kB [ 227.142166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.146294] (UM) [ 227.148538] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.154047] 3*128kB (M) [ 227.156123] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.161549] 3*256kB (M) [ 227.164229] ? addrconf_rs_timer+0x690/0x690 [ 227.164259] ndisc_alloc_skb+0x144/0x340 [ 227.169675] 4*512kB (UM) [ 227.172374] ndisc_send_rs+0x331/0x6e0 [ 227.176784] 3*1024kB (UM) [ 227.180869] addrconf_rs_timer+0x314/0x690 [ 227.183637] 1*2048kB [ 227.187526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.190353] (M) [ 227.194596] call_timer_fn+0x272/0x920 [ 227.196979] 4*4096kB [ 227.201227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.201257] ? process_timeout+0x40/0x40 [ 227.203218] (M) [ 227.207107] ? find_held_lock+0x36/0x1c0 [ 227.209497] = 25192kB [ 227.213739] ? __run_timers+0x7da/0xc70 [ 227.217771] Node 0 [ 227.219748] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.223789] Normal: [ 227.226210] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.230173] 824*4kB [ 227.232414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.236900] (MEH) [ 227.239237] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 227.243723] 371*8kB [ 227.246074] ? trace_hardirqs_on+0xbd/0x310 [ 227.250290] (ME) [ 227.252452] ? kasan_check_read+0x11/0x20 [ 227.257009] 164*16kB (ME) [ 227.259347] ? __run_timers+0x7da/0xc70 [ 227.263641] 69*32kB (UMEH) [ 227.265728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.269850] 28*64kB [ 227.272726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.276660] (M) [ 227.279595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.285020] 1*128kB (M) [ 227.287357] __run_timers+0x7e5/0xc70 [ 227.291569] 0*256kB 0*512kB [ 227.293557] ? find_held_lock+0x36/0x1c0 [ 227.297774] 1*1024kB [ 227.300464] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.304243] (H) [ 227.307262] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.311305] 0*2048kB 0*4096kB [ 227.313763] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.319106] = 14040kB [ 227.321084] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.325567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 227.328758] ? trace_hardirqs_on+0xbd/0x310 [ 227.333235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 227.333245] 146 total pagecache pages [ 227.335674] ? kasan_check_read+0x11/0x20 [ 227.340245] 0 pages in swap cache [ 227.349077] ? finish_task_switch+0x1f5/0x900 [ 227.353380] Swap cache stats: add 0, delete 0, find 0/0 [ 227.361953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.365739] Free swap = 0kB [ 227.365749] Total swap = 0kB [ 227.369898] ? compat_start_thread+0x80/0x80 [ 227.373336] 1965979 pages RAM [ 227.377847] ? pvclock_read_flags+0x160/0x160 [ 227.383187] 0 pages HighMem/MovableOnly [ 227.388634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.391641] 342307 pages reserved [ 227.391650] 0 pages cma reserved [ 227.394675] ? check_preemption_disabled+0x48/0x200 [ 227.399158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 227.402178] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 227.406708] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.410627] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.416148] syz-executor3 cpuset= [ 227.419603] ? rcu_pm_notify+0xc0/0xc0 [ 227.422955] syz3 [ 227.427970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.434451] mems_allowed=0 [ 227.439990] ? check_preemption_disabled+0x48/0x200 [ 227.478484] run_timer_softirq+0x52/0xb0 [ 227.482556] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.487575] __do_softirq+0x30b/0xad8 [ 227.491388] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.496509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.501269] ? schedule+0x108/0x460 [ 227.504930] ? trace_hardirqs_off+0xb8/0x310 [ 227.509357] ? smpboot_thread_fn+0x68b/0xa00 [ 227.513770] ? trace_hardirqs_on+0x310/0x310 [ 227.518184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.523741] ? check_preemption_disabled+0x48/0x200 [ 227.528769] ? takeover_tasklets+0xa90/0xa90 [ 227.533184] run_ksoftirqd+0x94/0x100 [ 227.536984] smpboot_thread_fn+0x68b/0xa00 [ 227.541222] ? sort_range+0x30/0x30 [ 227.544868] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.549974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.555513] ? __kthread_parkme+0xfb/0x1a0 [ 227.559754] kthread+0x35a/0x420 [ 227.563118] ? sort_range+0x30/0x30 [ 227.566746] ? kthread_bind+0x40/0x40 [ 227.570554] ret_from_fork+0x3a/0x50 [ 227.574288] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 227.574367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 227.581491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.581497] Call Trace: [ 227.581504] [ 227.581523] dump_stack+0x1c4/0x2b4 [ 227.581542] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.588108] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.597409] warn_alloc.cold.119+0xb7/0x1bd [ 227.599968] ksoftirqd/0 cpuset= [ 227.602117] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.605725] / [ 227.610910] ? lock_downgrade+0x900/0x900 [ 227.621213] mems_allowed=0 [ 227.625548] ? trace_hardirqs_off+0xb8/0x310 [ 227.646838] ? trace_hardirqs_off+0xb8/0x310 [ 227.651260] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.656137] ? warn_alloc+0x120/0x120 [ 227.659966] ? warn_alloc+0x120/0x120 [ 227.663774] ? print_usage_bug+0xc0/0xc0 [ 227.667849] ? warn_alloc+0x120/0x120 [ 227.671686] ? print_usage_bug+0xc0/0xc0 [ 227.675758] ? __lock_acquire+0x7ec/0x4ec0 [ 227.680005] ? __lock_acquire+0x7ec/0x4ec0 [ 227.684243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.689890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.695438] ? should_fail+0x22d/0xd01 [ 227.699347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.704464] ? __lock_acquire+0x7ec/0x4ec0 [ 227.708709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.713824] ? __lock_acquire+0x7ec/0x4ec0 [ 227.718059] ? should_fail+0x22d/0xd01 [ 227.721956] ? mark_held_locks+0x130/0x130 [ 227.726201] ? mark_held_locks+0x130/0x130 [ 227.730457] ? graph_lock+0x170/0x170 [ 227.734266] ? print_usage_bug+0xc0/0xc0 [ 227.738328] ? graph_lock+0x170/0x170 [ 227.742130] ? print_usage_bug+0xc0/0xc0 [ 227.746192] ? wq_watchdog_touch+0x9c/0xfe [ 227.750474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.756044] ? check_preemption_disabled+0x48/0x200 [ 227.761059] ? check_preemption_disabled+0x48/0x200 [ 227.766101] ? __lock_is_held+0xb5/0x140 [ 227.770175] __alloc_pages_nodemask+0xa80/0xde0 [ 227.774855] ? graph_lock+0x170/0x170 [ 227.778665] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.783705] ? graph_lock+0x170/0x170 [ 227.787521] ? find_held_lock+0x36/0x1c0 [ 227.791608] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.796283] ? lock_downgrade+0x900/0x900 [ 227.800448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.806005] cache_grow_begin+0x91/0x8c0 [ 227.810069] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.814505] fallback_alloc+0x203/0x2e0 [ 227.818498] ____cache_alloc_node+0x1c7/0x1e0 [ 227.823002] kmem_cache_alloc_node+0xe3/0x730 [ 227.827507] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.831772] __alloc_skb+0x119/0x770 [ 227.835495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.840791] ? skb_scrub_packet+0x490/0x490 [ 227.845119] ? lock_downgrade+0x900/0x900 [ 227.849283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.854829] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.860290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.865760] ? addrconf_rs_timer+0x690/0x690 [ 227.870190] ndisc_alloc_skb+0x144/0x340 [ 227.874269] ndisc_send_rs+0x331/0x6e0 [ 227.878170] addrconf_rs_timer+0x314/0x690 [ 227.882428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.886688] call_timer_fn+0x272/0x920 [ 227.890608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.894874] ? process_timeout+0x40/0x40 [ 227.898936] ? find_held_lock+0x36/0x1c0 [ 227.903015] ? __run_timers+0x7da/0xc70 [ 227.906993] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.911490] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.915990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.920243] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 227.924843] ? trace_hardirqs_on+0xbd/0x310 [ 227.929168] ? kasan_check_read+0x11/0x20 [ 227.933333] ? __run_timers+0x7da/0xc70 [ 227.937318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.942776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.947024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.951263] __run_timers+0x7e5/0xc70 [ 227.955089] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.960465] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.965503] ? graph_lock+0x170/0x170 [ 227.969314] ? enqueue_hrtimer+0x1a5/0x560 [ 227.973572] ? lock_release+0x970/0x970 [ 227.977564] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.982761] ? find_held_lock+0x36/0x1c0 [ 227.986827] ? graph_lock+0x170/0x170 [ 227.990636] ? pvclock_read_flags+0x160/0x160 [ 227.995135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.000677] ? check_preemption_disabled+0x48/0x200 [ 228.005710] ? __lock_is_held+0xb5/0x140 [ 228.009780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.015322] ? check_preemption_disabled+0x48/0x200 [ 228.020348] run_timer_softirq+0x52/0xb0 [ 228.024411] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.029448] __do_softirq+0x30b/0xad8 [ 228.033261] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.038374] ? pvclock_read_flags+0x160/0x160 [ 228.042875] ? lapic_next_event+0x5a/0x90 [ 228.047038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.052586] ? check_preemption_disabled+0x48/0x200 [ 228.057604] ? check_preemption_disabled+0x48/0x200 [ 228.062644] ? kvm_clock_read+0x18/0x30 [ 228.066647] ? kvm_sched_clock_read+0x9/0x20 [ 228.071058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.076595] ? check_preemption_disabled+0x48/0x200 [ 228.081620] irq_exit+0x17f/0x1c0 [ 228.085089] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.089930] ? smp_reschedule_interrupt+0x109/0x650 [ 228.094950] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.100840] ? interrupt_entry+0xb5/0xf0 [ 228.104909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.109938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.114958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.119809] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.124824] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.129858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.135396] ? check_preemption_disabled+0x48/0x200 [ 228.140431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.145996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.150870] apic_timer_interrupt+0xf/0x20 [ 228.155099] [ 228.157343] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.162278] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 228.181188] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 228.188909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 228.196179] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 228.203457] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 228.210731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 228.217999] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 228.225310] skb_clone+0x1bb/0x500 [ 228.228850] ? finish_task_switch+0x1b5/0x900 [ 228.233357] ? skb_split+0x11e0/0x11e0 [ 228.237244] ? preempt_notifier_register+0x200/0x200 [ 228.242345] ? __switch_to_asm+0x34/0x70 [ 228.246403] ? __switch_to_asm+0x34/0x70 [ 228.250470] ? __switch_to_asm+0x40/0x70 [ 228.254529] ? __switch_to_asm+0x34/0x70 [ 228.258611] ? __switch_to_asm+0x40/0x70 [ 228.262685] ? __switch_to_asm+0x34/0x70 [ 228.266743] ? __switch_to_asm+0x40/0x70 [ 228.270821] ? __switch_to_asm+0x34/0x70 [ 228.274897] ? __switch_to_asm+0x34/0x70 [ 228.278969] ? __switch_to_asm+0x40/0x70 [ 228.283037] ? __switch_to_asm+0x34/0x70 [ 228.287110] bpf_clone_redirect+0xb9/0x490 [ 228.291363] ? __schedule+0x874/0x1ed0 [ 228.295258] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 228.300280] ? __sched_text_start+0x8/0x8 [ 228.304436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.309209] ? find_held_lock+0x36/0x1c0 [ 228.313297] ? lock_acquire+0x1ed/0x520 [ 228.317272] ? bpf_test_run+0x32e/0x5a0 [ 228.321252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.326796] ? check_preemption_disabled+0x48/0x200 [ 228.331826] ? kasan_check_read+0x11/0x20 [ 228.336010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.341294] ? rcu_bh_qs+0xc0/0xc0 [ 228.344838] ? preempt_schedule+0x4d/0x60 [ 228.348995] ? ___preempt_schedule+0x16/0x18 [ 228.353409] ? bpf_test_run+0x1c0/0x5a0 [ 228.357417] ? netlink_diag_dump+0x2a0/0x2a0 [ 228.361844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.367389] ? bpf_test_init.isra.9+0x70/0x100 [ 228.371985] ? bpf_prog_test_run_skb+0x634/0xb40 [ 228.376767] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.381627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.387161] ? fput+0x130/0x1a0 [ 228.390454] ? __bpf_prog_get+0x9b/0x290 [ 228.394525] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.399368] ? bpf_prog_test_run+0x130/0x1a0 [ 228.403796] ? __x64_sys_bpf+0x3d8/0x510 [ 228.407883] ? bpf_prog_get+0x20/0x20 [ 228.411711] ? do_syscall_64+0x1b9/0x820 [ 228.415777] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.421150] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.426078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.430928] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.435948] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.440969] ? prepare_exit_to_usermode+0x291/0x3b0 [ 228.445996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.450860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.456244] warn_alloc_show_mem: 1 callbacks suppressed [ 228.456255] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 228.456257] Mem-Info: [ 228.456287] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 228.456287] active_file:13 inactive_file:14 isolated_file:0 [ 228.456287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 228.456287] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 228.456287] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 228.456287] free:13777 free_pcp:213 free_cma:0 [ 228.461624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.461633] Call Trace: [ 228.468395] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 228.470816] dump_stack+0x1c4/0x2b4 [ 228.503674] Node 0 [ 228.513030] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.515621] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 228.543125] warn_alloc.cold.119+0xb7/0x1bd [ 228.546728] lowmem_reserve[]: [ 228.548964] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.554131] 0 [ 228.579646] ? lock_downgrade+0x900/0x900 [ 228.583949] 2819 [ 228.587055] ? trace_hardirqs_off+0xb8/0x310 [ 228.591874] 6323 [ 228.593675] ? trace_hardirqs_off+0xb8/0x310 [ 228.597800] 6323 [ 228.599869] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.606358] ? warn_alloc+0x120/0x120 [ 228.610745] Node 0 [ 228.612813] ? warn_alloc+0x120/0x120 [ 228.617656] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 228.621450] ? print_usage_bug+0xc0/0xc0 [ 228.623657] lowmem_reserve[]: 0 [ 228.627468] ? warn_alloc+0x120/0x120 [ 228.654431] 0 [ 228.658496] ? print_usage_bug+0xc0/0xc0 [ 228.661761] 3503 [ 228.665557] ? __lock_acquire+0x7ec/0x4ec0 [ 228.667338] 3503 [ 228.671401] ? __lock_acquire+0x7ec/0x4ec0 [ 228.677684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.679728] Node 0 [ 228.683960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.689506] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 228.691729] ? should_fail+0x22d/0xd01 [ 228.697235] lowmem_reserve[]: 0 [ 228.725544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.729406] 0 0 [ 228.732730] ? __lock_acquire+0x7ec/0x4ec0 [ 228.737813] 0 [ 228.739805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.745813] ? __lock_acquire+0x7ec/0x4ec0 [ 228.750897] Node 0 [ 228.755212] ? should_fail+0x22d/0xd01 [ 228.755228] DMA: [ 228.757469] ? mark_held_locks+0x130/0x130 [ 228.761331] 1*4kB [ 228.763399] ? mark_held_locks+0x130/0x130 [ 228.767608] (U) [ 228.769758] ? mark_held_locks+0xc7/0x130 [ 228.773969] 0*8kB 0*16kB [ 228.775971] ? print_usage_bug+0xc0/0xc0 [ 228.780103] 1*32kB [ 228.782879] ? graph_lock+0x170/0x170 [ 228.786923] (U) [ 228.789201] ? print_usage_bug+0xc0/0xc0 [ 228.792982] 2*64kB [ 228.795125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.799168] (U) [ 228.801440] ? check_preemption_disabled+0x48/0x200 [ 228.806956] 1*128kB [ 228.808956] ? check_preemption_disabled+0x48/0x200 [ 228.813944] (U) 1*256kB (U) [ 228.816303] ? __lock_is_held+0xb5/0x140 [ 228.821290] 0*512kB [ 228.824314] __alloc_pages_nodemask+0xa80/0xde0 [ 228.828347] 1*1024kB (U) [ 228.830698] ? graph_lock+0x170/0x170 [ 228.835351] 1*2048kB [ 228.838134] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.841902] (M) [ 228.844310] ? graph_lock+0x170/0x170 [ 228.844348] ? find_held_lock+0x36/0x1c0 [ 228.849338] 3*4096kB [ 228.851333] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.855111] (M) [ 228.859177] ? lock_downgrade+0x900/0x900 [ 228.861570] = 15908kB [ 228.866239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.868193] Node 0 [ 228.872342] cache_grow_begin+0x91/0x8c0 [ 228.874752] DMA32: [ 228.880304] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.882514] 4*4kB [ 228.886585] fallback_alloc+0x203/0x2e0 [ 228.888800] (M) [ 228.893222] ____cache_alloc_node+0x1c7/0x1e0 [ 228.895347] 1*8kB (U) [ 228.899331] kmem_cache_alloc_node+0xe3/0x730 [ 228.901283] 3*16kB [ 228.905782] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.908254] (UM) [ 228.912754] __alloc_skb+0x119/0x770 [ 228.914970] 3*32kB [ 228.919209] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.921261] (UM) [ 228.924970] ? skb_scrub_packet+0x490/0x490 [ 228.927205] 5*64kB (UM) [ 228.932489] ? lock_downgrade+0x900/0x900 [ 228.934540] 3*128kB [ 228.938867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.941514] (M) [ 228.945677] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.947973] 3*256kB (M) [ 228.953524] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.955482] 4*512kB [ 228.960933] ? addrconf_rs_timer+0x690/0x690 [ 228.963592] (UM) [ 228.969046] ndisc_alloc_skb+0x144/0x340 [ 228.971338] 3*1024kB (UM) [ 228.975762] ndisc_send_rs+0x331/0x6e0 [ 228.977809] 1*2048kB [ 228.981879] addrconf_rs_timer+0x314/0x690 [ 228.984703] (M) [ 228.988617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.991008] 4*4096kB (M) [ 228.995313] call_timer_fn+0x272/0x920 [ 228.997229] = 25192kB [ 229.001466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.004204] Node 0 [ 229.008087] ? process_timeout+0x40/0x40 [ 229.010502] Normal: 824*4kB [ 229.014752] ? find_held_lock+0x36/0x1c0 [ 229.016967] (MEH) [ 229.021041] ? __run_timers+0x7da/0xc70 [ 229.024070] 371*8kB [ 229.028164] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.030287] (ME) 164*16kB [ 229.034265] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.036560] (ME) 69*32kB [ 229.041064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.043894] (UMEH) [ 229.048389] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.051129] 28*64kB [ 229.055362] ? trace_hardirqs_on+0xbd/0x310 [ 229.057576] (M) [ 229.062160] ? kasan_check_read+0x11/0x20 [ 229.064465] 1*128kB (M) [ 229.068797] ? __run_timers+0x7da/0xc70 [ 229.070751] 0*256kB 0*512kB [ 229.074907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.077583] 1*1024kB [ 229.081567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.084565] (H) [ 229.090026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.092408] 0*2048kB 0*4096kB [ 229.096659] __run_timers+0x7e5/0xc70 [ 229.098616] = 14040kB [ 229.102860] ? find_held_lock+0x36/0x1c0 [ 229.106036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 229.109856] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.112248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 229.116304] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.125117] 146 total pagecache pages [ 229.130477] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.139034] 0 pages in swap cache [ 229.143523] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.147299] Swap cache stats: add 0, delete 0, find 0/0 [ 229.147309] Free swap = 0kB [ 229.151807] ? trace_hardirqs_on+0xbd/0x310 [ 229.155244] Total swap = 0kB [ 229.159828] ? kasan_check_read+0x11/0x20 [ 229.165171] 1965979 pages RAM [ 229.168204] ? finish_task_switch+0x1f5/0x900 [ 229.172510] 0 pages HighMem/MovableOnly [ 229.175541] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.179669] 342307 pages reserved [ 229.182812] ? compat_start_thread+0x80/0x80 [ 229.187285] 0 pages cma reserved [ 229.191267] ? pvclock_read_flags+0x160/0x160 [ 229.196745] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.200130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.200147] ? check_preemption_disabled+0x48/0x200 [ 229.200171] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 229.204656] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.207966] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.212451] syz-executor3 cpuset= [ 229.218942] ? rcu_pm_notify+0xc0/0xc0 [ 229.224469] syz3 [ 229.229488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.235008] mems_allowed=0 [ 229.245492] ? check_preemption_disabled+0x48/0x200 [ 229.273500] run_timer_softirq+0x52/0xb0 [ 229.277567] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.282598] __do_softirq+0x30b/0xad8 [ 229.286413] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.291571] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.296333] ? schedule+0x108/0x460 [ 229.299974] ? trace_hardirqs_off+0xb8/0x310 [ 229.304382] ? smpboot_thread_fn+0x68b/0xa00 [ 229.308794] ? trace_hardirqs_on+0x310/0x310 [ 229.313205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.318753] ? check_preemption_disabled+0x48/0x200 [ 229.323774] ? takeover_tasklets+0xa90/0xa90 [ 229.328223] run_ksoftirqd+0x94/0x100 [ 229.332060] smpboot_thread_fn+0x68b/0xa00 [ 229.336319] ? sort_range+0x30/0x30 [ 229.339969] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.345080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.350620] ? __kthread_parkme+0xfb/0x1a0 [ 229.354862] kthread+0x35a/0x420 [ 229.358245] ? sort_range+0x30/0x30 [ 229.361875] ? kthread_bind+0x40/0x40 [ 229.365683] ret_from_fork+0x3a/0x50 [ 229.369449] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 229.369527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.376641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.376651] Call Trace: [ 229.383255] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.392484] [ 229.395056] ksoftirqd/0 cpuset= [ 229.405376] dump_stack+0x1c4/0x2b4 [ 229.407505] / [ 229.410802] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.414407] mems_allowed=0 [ 229.416151] warn_alloc.cold.119+0xb7/0x1bd [ 229.428559] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.433410] ? lock_downgrade+0x900/0x900 [ 229.437590] ? trace_hardirqs_off+0xb8/0x310 [ 229.442002] ? trace_hardirqs_off+0xb8/0x310 [ 229.446432] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.451306] ? warn_alloc+0x120/0x120 [ 229.455110] ? lock_release+0x970/0x970 [ 229.459093] ? warn_alloc+0x120/0x120 [ 229.462914] ? print_usage_bug+0xc0/0xc0 [ 229.466997] ? warn_alloc+0x120/0x120 [ 229.470827] ? print_usage_bug+0xc0/0xc0 [ 229.474895] ? __lock_acquire+0x7ec/0x4ec0 [ 229.479138] ? __lock_acquire+0x7ec/0x4ec0 [ 229.483377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.488918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.494471] ? should_fail+0x22d/0xd01 [ 229.498363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.503466] ? __lock_acquire+0x7ec/0x4ec0 [ 229.507711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.512824] ? __lock_acquire+0x7ec/0x4ec0 [ 229.517058] ? should_fail+0x22d/0xd01 [ 229.520960] ? mark_held_locks+0x130/0x130 [ 229.525204] ? mark_held_locks+0x130/0x130 [ 229.529457] ? graph_lock+0x170/0x170 [ 229.533260] ? print_usage_bug+0xc0/0xc0 [ 229.537333] ? graph_lock+0x170/0x170 [ 229.541139] ? print_usage_bug+0xc0/0xc0 [ 229.545225] ? wq_watchdog_touch+0x9c/0xfe [ 229.549465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.555018] ? check_preemption_disabled+0x48/0x200 [ 229.560036] ? check_preemption_disabled+0x48/0x200 [ 229.565083] ? __lock_is_held+0xb5/0x140 [ 229.569158] __alloc_pages_nodemask+0xa80/0xde0 [ 229.573835] ? graph_lock+0x170/0x170 [ 229.577644] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.582659] ? graph_lock+0x170/0x170 [ 229.586479] ? find_held_lock+0x36/0x1c0 [ 229.590554] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.595233] ? lock_downgrade+0x900/0x900 [ 229.599411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.604976] cache_grow_begin+0x91/0x8c0 [ 229.609054] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.613485] fallback_alloc+0x203/0x2e0 [ 229.617481] ____cache_alloc_node+0x1c7/0x1e0 [ 229.621988] kmem_cache_alloc_node+0xe3/0x730 [ 229.626502] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.630750] __alloc_skb+0x119/0x770 [ 229.634470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.639761] ? skb_scrub_packet+0x490/0x490 [ 229.644091] ? lock_downgrade+0x900/0x900 [ 229.648267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.653812] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.659271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.664727] ? addrconf_rs_timer+0x690/0x690 [ 229.669170] ndisc_alloc_skb+0x144/0x340 [ 229.673255] ndisc_send_rs+0x331/0x6e0 [ 229.677168] addrconf_rs_timer+0x314/0x690 [ 229.681413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.685703] call_timer_fn+0x272/0x920 [ 229.689800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.694044] ? process_timeout+0x40/0x40 [ 229.698121] ? find_held_lock+0x36/0x1c0 [ 229.702193] ? __run_timers+0x7da/0xc70 [ 229.706174] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.710670] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.715178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.719452] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.724037] ? trace_hardirqs_on+0xbd/0x310 [ 229.728360] ? kasan_check_read+0x11/0x20 [ 229.732515] ? __run_timers+0x7da/0xc70 [ 229.736495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.741953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.746197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.750454] __run_timers+0x7e5/0xc70 [ 229.754300] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.759666] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.764683] ? graph_lock+0x170/0x170 [ 229.768488] ? enqueue_hrtimer+0x1a5/0x560 [ 229.772725] ? lock_release+0x970/0x970 [ 229.776700] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.781902] ? find_held_lock+0x36/0x1c0 [ 229.785973] ? graph_lock+0x170/0x170 [ 229.789780] ? pvclock_read_flags+0x160/0x160 [ 229.794277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.799823] ? check_preemption_disabled+0x48/0x200 [ 229.804853] ? __lock_is_held+0xb5/0x140 [ 229.808946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.814491] ? check_preemption_disabled+0x48/0x200 [ 229.819540] run_timer_softirq+0x52/0xb0 [ 229.823610] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.828633] __do_softirq+0x30b/0xad8 [ 229.832459] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.837594] ? pvclock_read_flags+0x160/0x160 [ 229.842110] ? lapic_next_event+0x5a/0x90 [ 229.846269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.851818] ? check_preemption_disabled+0x48/0x200 [ 229.856869] ? check_preemption_disabled+0x48/0x200 [ 229.861892] ? kvm_clock_read+0x18/0x30 [ 229.865882] ? kvm_sched_clock_read+0x9/0x20 [ 229.870309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.875860] ? check_preemption_disabled+0x48/0x200 [ 229.880891] irq_exit+0x17f/0x1c0 [ 229.884355] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.889223] ? smp_reschedule_interrupt+0x109/0x650 [ 229.894252] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.900158] ? interrupt_entry+0xb5/0xf0 [ 229.904232] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.909247] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.914277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.919124] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.924156] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.929187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.934751] ? check_preemption_disabled+0x48/0x200 [ 229.939774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.945325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.950182] apic_timer_interrupt+0xf/0x20 [ 229.954437] [ 229.956682] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 229.961613] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 229.980515] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 229.988239] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 229.995512] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 230.002801] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 230.010079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 230.017345] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 230.024669] skb_clone+0x1bb/0x500 [ 230.028219] ? finish_task_switch+0x1b5/0x900 [ 230.032714] ? skb_split+0x11e0/0x11e0 [ 230.036617] ? preempt_notifier_register+0x200/0x200 [ 230.041718] ? __switch_to_asm+0x34/0x70 [ 230.045786] ? __switch_to_asm+0x34/0x70 [ 230.049846] ? __switch_to_asm+0x40/0x70 [ 230.053913] ? __switch_to_asm+0x34/0x70 [ 230.057980] ? __switch_to_asm+0x40/0x70 [ 230.062048] ? __switch_to_asm+0x34/0x70 [ 230.066110] ? __switch_to_asm+0x40/0x70 [ 230.070173] ? __switch_to_asm+0x34/0x70 [ 230.074237] ? __switch_to_asm+0x34/0x70 [ 230.078296] ? __switch_to_asm+0x40/0x70 [ 230.082354] ? __switch_to_asm+0x34/0x70 [ 230.086448] bpf_clone_redirect+0xb9/0x490 [ 230.090712] ? __schedule+0x874/0x1ed0 [ 230.094621] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 230.099641] ? __sched_text_start+0x8/0x8 [ 230.103812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.108590] ? find_held_lock+0x36/0x1c0 [ 230.112692] ? lock_acquire+0x1ed/0x520 [ 230.116785] ? bpf_test_run+0x32e/0x5a0 [ 230.120765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.126311] ? check_preemption_disabled+0x48/0x200 [ 230.131340] ? kasan_check_read+0x11/0x20 [ 230.135506] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.140796] ? rcu_bh_qs+0xc0/0xc0 [ 230.144346] ? preempt_schedule+0x4d/0x60 [ 230.148511] ? ___preempt_schedule+0x16/0x18 [ 230.152925] ? bpf_test_run+0x1c0/0x5a0 [ 230.156911] ? netlink_diag_dump+0x2a0/0x2a0 [ 230.161323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.166872] ? bpf_test_init.isra.9+0x70/0x100 [ 230.171462] ? bpf_prog_test_run_skb+0x634/0xb40 [ 230.176239] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.181085] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.186618] ? fput+0x130/0x1a0 [ 230.189903] ? __bpf_prog_get+0x9b/0x290 [ 230.193982] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.198824] ? bpf_prog_test_run+0x130/0x1a0 [ 230.203239] ? __x64_sys_bpf+0x3d8/0x510 [ 230.207300] ? bpf_prog_get+0x20/0x20 [ 230.211147] ? do_syscall_64+0x1b9/0x820 [ 230.215220] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.220587] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.225521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.230383] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.235411] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.240485] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.245508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.250362] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.255739] warn_alloc_show_mem: 1 callbacks suppressed [ 230.255751] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 230.255753] Mem-Info: [ 230.255784] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 230.255784] active_file:13 inactive_file:14 isolated_file:0 [ 230.255784] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.255784] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 230.255784] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 230.255784] free:13777 free_pcp:213 free_cma:0 [ 230.261129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.261138] Call Trace: [ 230.267904] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.270316] dump_stack+0x1c4/0x2b4 [ 230.303200] Node 0 [ 230.312580] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.315166] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 230.342644] warn_alloc.cold.119+0xb7/0x1bd [ 230.346241] lowmem_reserve[]: [ 230.348485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.353652] 0 [ 230.379155] ? lock_downgrade+0x900/0x900 [ 230.383471] 2819 [ 230.386576] ? trace_hardirqs_off+0xb8/0x310 [ 230.391408] 6323 [ 230.393215] ? trace_hardirqs_off+0xb8/0x310 [ 230.397344] 6323 [ 230.399410] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.405891] ? warn_alloc+0x120/0x120 [ 230.410257] Node 0 [ 230.412321] ? warn_alloc+0x120/0x120 [ 230.417163] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.420941] ? print_usage_bug+0xc0/0xc0 [ 230.423153] lowmem_reserve[]: [ 230.426965] ? warn_alloc+0x120/0x120 [ 230.453920] 0 [ 230.457989] ? print_usage_bug+0xc0/0xc0 [ 230.461076] 0 [ 230.464893] ? __lock_acquire+0x7ec/0x4ec0 [ 230.466676] 3503 [ 230.470761] ? __lock_acquire+0x7ec/0x4ec0 [ 230.472542] 3503 [ 230.476807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.478853] Node 0 [ 230.483084] ? should_fail+0x22d/0xd01 [ 230.485151] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 230.490674] ? __lock_acquire+0x7ec/0x4ec0 [ 230.492917] lowmem_reserve[]: [ 230.496806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.525057] 0 0 [ 230.529301] ? __lock_acquire+0x7ec/0x4ec0 [ 230.532383] 0 [ 230.537488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.539449] 0 [ 230.543681] ? __lock_acquire+0x7ec/0x4ec0 [ 230.550566] ? should_fail+0x22d/0xd01 [ 230.552362] Node 0 [ 230.556610] ? mark_held_locks+0x130/0x130 [ 230.560480] DMA: [ 230.562718] ? mark_held_locks+0x130/0x130 [ 230.566924] 1*4kB [ 230.568985] ? graph_lock+0x170/0x170 [ 230.573194] (U) [ 230.575340] ? print_usage_bug+0xc0/0xc0 [ 230.579131] 0*8kB [ 230.581109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.585147] 0*16kB [ 230.587296] ? check_preemption_disabled+0x48/0x200 [ 230.592812] 1*32kB [ 230.595044] ? check_preemption_disabled+0x48/0x200 [ 230.600038] (U) [ 230.602290] ? __lock_is_held+0xb5/0x140 [ 230.607278] 2*64kB [ 230.609262] __alloc_pages_nodemask+0xa80/0xde0 [ 230.613297] (U) [ 230.615545] ? graph_lock+0x170/0x170 [ 230.620197] 1*128kB [ 230.622180] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.625960] (U) [ 230.628283] ? graph_lock+0x170/0x170 [ 230.633276] 1*256kB [ 230.635257] ? find_held_lock+0x36/0x1c0 [ 230.639027] (U) [ 230.641357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.645385] 0*512kB 1*1024kB [ 230.647378] ? lock_downgrade+0x900/0x900 [ 230.652024] (U) [ 230.655133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.659256] 1*2048kB [ 230.661247] cache_grow_begin+0x91/0x8c0 [ 230.666772] (M) [ 230.669181] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.673242] 3*4096kB [ 230.675224] fallback_alloc+0x203/0x2e0 [ 230.679614] (M) [ 230.682033] ____cache_alloc_node+0x1c7/0x1e0 [ 230.685982] = 15908kB [ 230.688141] kmem_cache_alloc_node+0xe3/0x730 [ 230.692616] Node 0 [ 230.695028] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.699530] DMA32: 4*4kB [ 230.701786] __alloc_skb+0x119/0x770 [ 230.705994] (M) [ 230.708769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.712458] 1*8kB (U) [ 230.714452] ? skb_scrub_packet+0x490/0x490 [ 230.719706] 3*16kB (UM) [ 230.722215] ? lock_downgrade+0x900/0x900 [ 230.726524] 3*32kB [ 230.729207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.733334] (UM) [ 230.735573] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.741082] 5*64kB (UM) [ 230.743176] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.748596] 3*128kB (M) [ 230.751272] ? addrconf_rs_timer+0x690/0x690 [ 230.756693] 3*256kB (M) [ 230.759383] ndisc_alloc_skb+0x144/0x340 [ 230.763768] 4*512kB [ 230.766448] ndisc_send_rs+0x331/0x6e0 [ 230.770494] (UM) [ 230.772836] addrconf_rs_timer+0x314/0x690 [ 230.776713] 3*1024kB (UM) 1*2048kB [ 230.778796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.783006] (M) [ 230.786642] call_timer_fn+0x272/0x920 [ 230.790851] 4*4096kB [ 230.792830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.797145] (M) = 25192kB [ 230.799568] ? process_timeout+0x40/0x40 [ 230.803800] Node 0 [ 230.806578] ? find_held_lock+0x36/0x1c0 [ 230.810613] Normal: [ 230.812880] ? __run_timers+0x7da/0xc70 [ 230.816924] 824*4kB [ 230.819246] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.823191] (MEH) 371*8kB [ 230.825528] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.830004] (ME) [ 230.832849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.837320] 164*16kB [ 230.839386] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.843599] (ME) [ 230.846011] ? trace_hardirqs_on+0xbd/0x310 [ 230.850569] 69*32kB [ 230.852629] ? kasan_check_read+0x11/0x20 [ 230.856927] (UMEH) [ 230.859249] ? __run_timers+0x7da/0xc70 [ 230.863374] 28*64kB [ 230.865610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.869558] (M) [ 230.871914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.877364] 1*128kB [ 230.879346] __run_timers+0x7e5/0xc70 [ 230.883556] (M) [ 230.885888] ? find_held_lock+0x36/0x1c0 [ 230.889669] 0*256kB [ 230.891647] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.895680] 0*512kB [ 230.898012] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.903357] 1*1024kB [ 230.905682] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.910155] (H) [ 230.912568] ? lockdep_hardirqs_on+0x421/0x5c0 [ 230.917040] 0*2048kB [ 230.919027] ? trace_hardirqs_on+0xbd/0x310 [ 230.923597] 0*4096kB [ 230.926003] ? kasan_check_read+0x11/0x20 [ 230.930304] = 14040kB [ 230.932720] ? finish_task_switch+0x1f5/0x900 [ 230.936865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.939266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.943747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.952577] ? compat_start_thread+0x80/0x80 [ 230.958008] 146 total pagecache pages [ 230.966595] ? pvclock_read_flags+0x160/0x160 [ 230.970972] 0 pages in swap cache [ 230.974766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.979244] Swap cache stats: add 0, delete 0, find 0/0 [ 230.982725] ? check_preemption_disabled+0x48/0x200 [ 230.988234] Free swap = 0kB [ 230.993595] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 230.998585] Total swap = 0kB [ 231.001600] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.007117] 1965979 pages RAM [ 231.010134] ? rcu_pm_notify+0xc0/0xc0 [ 231.015387] 0 pages HighMem/MovableOnly [ 231.018493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.022355] 342307 pages reserved [ 231.022364] 0 pages cma reserved [ 231.026349] ? check_preemption_disabled+0x48/0x200 [ 231.031922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.035311] run_timer_softirq+0x52/0xb0 [ 231.038774] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.043667] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.050135] syz-executor3 cpuset= [ 231.054197] __do_softirq+0x30b/0xad8 [ 231.064668] syz3 [ 231.069718] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.073146] mems_allowed=0 [ 231.076968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.091703] ? schedule+0x108/0x460 [ 231.095355] ? trace_hardirqs_off+0xb8/0x310 [ 231.099769] ? smpboot_thread_fn+0x68b/0xa00 [ 231.104178] ? trace_hardirqs_on+0x310/0x310 [ 231.108594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.114146] ? check_preemption_disabled+0x48/0x200 [ 231.119191] ? takeover_tasklets+0xa90/0xa90 [ 231.123612] run_ksoftirqd+0x94/0x100 [ 231.127438] smpboot_thread_fn+0x68b/0xa00 [ 231.131678] ? sort_range+0x30/0x30 [ 231.135306] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.140410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.145958] ? __kthread_parkme+0xfb/0x1a0 [ 231.150233] kthread+0x35a/0x420 [ 231.153609] ? sort_range+0x30/0x30 [ 231.157253] ? kthread_bind+0x40/0x40 [ 231.161059] ret_from_fork+0x3a/0x50 [ 231.164799] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 231.164869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.171987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.171992] Call Trace: [ 231.171999] [ 231.172018] dump_stack+0x1c4/0x2b4 [ 231.172037] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.178599] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.187882] warn_alloc.cold.119+0xb7/0x1bd [ 231.190450] ksoftirqd/0 cpuset= [ 231.192601] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.196207] / [ 231.201404] ? lock_downgrade+0x900/0x900 [ 231.211699] mems_allowed=0 [ 231.216022] ? trace_hardirqs_off+0xb8/0x310 [ 231.237275] ? trace_hardirqs_off+0xb8/0x310 [ 231.241717] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.246597] ? warn_alloc+0x120/0x120 [ 231.250405] ? warn_alloc+0x120/0x120 [ 231.254239] ? print_usage_bug+0xc0/0xc0 [ 231.258311] ? warn_alloc+0x120/0x120 [ 231.262131] ? print_usage_bug+0xc0/0xc0 [ 231.266202] ? warn_alloc+0x120/0x120 [ 231.270036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.275574] ? should_fail+0x22d/0xd01 [ 231.279469] ? __lock_acquire+0x7ec/0x4ec0 [ 231.283712] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.288817] ? __lock_acquire+0x7ec/0x4ec0 [ 231.293057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.298163] ? __lock_acquire+0x7ec/0x4ec0 [ 231.302410] ? should_fail+0x22d/0xd01 [ 231.306336] ? mark_held_locks+0x130/0x130 [ 231.310594] ? mark_held_locks+0x130/0x130 [ 231.314842] ? mark_held_locks+0x130/0x130 [ 231.319078] ? graph_lock+0x170/0x170 [ 231.322885] ? print_usage_bug+0xc0/0xc0 [ 231.326945] ? mark_held_locks+0x130/0x130 [ 231.331185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.336730] ? check_preemption_disabled+0x48/0x200 [ 231.341748] ? check_preemption_disabled+0x48/0x200 [ 231.346778] ? __lock_is_held+0xb5/0x140 [ 231.350847] __alloc_pages_nodemask+0xa80/0xde0 [ 231.355526] ? graph_lock+0x170/0x170 [ 231.359338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.364352] ? graph_lock+0x170/0x170 [ 231.368186] ? find_held_lock+0x36/0x1c0 [ 231.372278] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.376975] ? lock_downgrade+0x900/0x900 [ 231.381137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.386698] cache_grow_begin+0x91/0x8c0 [ 231.390767] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.395210] fallback_alloc+0x203/0x2e0 [ 231.399203] ____cache_alloc_node+0x1c7/0x1e0 [ 231.403737] kmem_cache_alloc_node+0xe3/0x730 [ 231.408253] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.412520] __alloc_skb+0x119/0x770 [ 231.416243] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.421535] ? skb_scrub_packet+0x490/0x490 [ 231.425865] ? lock_downgrade+0x900/0x900 [ 231.430023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.435566] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.441028] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.446487] ? addrconf_rs_timer+0x690/0x690 [ 231.450911] ndisc_alloc_skb+0x144/0x340 [ 231.454981] ndisc_send_rs+0x331/0x6e0 [ 231.458876] addrconf_rs_timer+0x314/0x690 [ 231.463120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.467397] call_timer_fn+0x272/0x920 [ 231.471296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.475548] ? process_timeout+0x40/0x40 [ 231.479612] ? find_held_lock+0x36/0x1c0 [ 231.483690] ? __run_timers+0x7da/0xc70 [ 231.487666] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.492170] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.496670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.500915] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.505533] ? trace_hardirqs_on+0xbd/0x310 [ 231.509858] ? kasan_check_read+0x11/0x20 [ 231.514011] ? __run_timers+0x7da/0xc70 [ 231.517990] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.523466] ? tcp_compressed_ack_kick+0x220/0x220 [ 231.528439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.532702] __run_timers+0x7e5/0xc70 [ 231.536523] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.541898] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.546924] ? graph_lock+0x170/0x170 [ 231.550733] ? enqueue_hrtimer+0x1a5/0x560 [ 231.554969] ? lock_release+0x970/0x970 [ 231.558946] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.564146] ? find_held_lock+0x36/0x1c0 [ 231.568220] ? graph_lock+0x170/0x170 [ 231.572026] ? pvclock_read_flags+0x160/0x160 [ 231.576528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.582071] ? check_preemption_disabled+0x48/0x200 [ 231.587101] ? __lock_is_held+0xb5/0x140 [ 231.591165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.596707] ? check_preemption_disabled+0x48/0x200 [ 231.601762] run_timer_softirq+0x52/0xb0 [ 231.605832] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.610900] __do_softirq+0x30b/0xad8 [ 231.614729] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.619841] ? pvclock_read_flags+0x160/0x160 [ 231.624336] ? lapic_next_event+0x5a/0x90 [ 231.628505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.634068] ? check_preemption_disabled+0x48/0x200 [ 231.639086] ? check_preemption_disabled+0x48/0x200 [ 231.644127] ? kvm_clock_read+0x18/0x30 [ 231.648108] ? kvm_sched_clock_read+0x9/0x20 [ 231.652541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.658126] ? check_preemption_disabled+0x48/0x200 [ 231.663171] irq_exit+0x17f/0x1c0 [ 231.666640] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.671487] ? smp_reschedule_interrupt+0x109/0x650 [ 231.676512] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.682412] ? interrupt_entry+0xb5/0xf0 [ 231.686498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.691767] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.696789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.701663] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.706679] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.711697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.717242] ? check_preemption_disabled+0x48/0x200 [ 231.722256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.727818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.732671] apic_timer_interrupt+0xf/0x20 [ 231.736898] [ 231.739138] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.744082] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 231.762985] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 231.770695] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.777981] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 231.785278] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 231.792547] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.799815] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 231.807140] skb_clone+0x1bb/0x500 [ 231.810699] ? finish_task_switch+0x1b5/0x900 [ 231.815201] ? skb_split+0x11e0/0x11e0 [ 231.819105] ? preempt_notifier_register+0x200/0x200 [ 231.824238] ? __switch_to_asm+0x34/0x70 [ 231.828316] ? __switch_to_asm+0x34/0x70 [ 231.832386] ? __switch_to_asm+0x40/0x70 [ 231.836455] ? __switch_to_asm+0x34/0x70 [ 231.840520] ? __switch_to_asm+0x40/0x70 [ 231.844592] ? __switch_to_asm+0x34/0x70 [ 231.848657] ? __switch_to_asm+0x40/0x70 [ 231.852720] ? __switch_to_asm+0x34/0x70 [ 231.856784] ? __switch_to_asm+0x34/0x70 [ 231.860855] ? __switch_to_asm+0x40/0x70 [ 231.864938] ? __switch_to_asm+0x34/0x70 [ 231.869013] bpf_clone_redirect+0xb9/0x490 [ 231.873267] ? __schedule+0x874/0x1ed0 [ 231.877178] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 231.882228] ? __sched_text_start+0x8/0x8 [ 231.886375] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.891148] ? find_held_lock+0x36/0x1c0 [ 231.895258] ? lock_acquire+0x1ed/0x520 [ 231.899238] ? bpf_test_run+0x32e/0x5a0 [ 231.903233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.908798] ? check_preemption_disabled+0x48/0x200 [ 231.913823] ? kasan_check_read+0x11/0x20 [ 231.917977] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.923260] ? rcu_bh_qs+0xc0/0xc0 [ 231.926807] ? preempt_schedule+0x4d/0x60 [ 231.930964] ? ___preempt_schedule+0x16/0x18 [ 231.935404] ? bpf_test_run+0x1c0/0x5a0 [ 231.939431] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.943850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.949389] ? bpf_test_init.isra.9+0x70/0x100 [ 231.953996] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.958936] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.963788] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.969324] ? fput+0x130/0x1a0 [ 231.972606] ? __bpf_prog_get+0x9b/0x290 [ 231.976670] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.981511] ? bpf_prog_test_run+0x130/0x1a0 [ 231.985943] ? __x64_sys_bpf+0x3d8/0x510 [ 231.990006] ? bpf_prog_get+0x20/0x20 [ 231.993833] ? do_syscall_64+0x1b9/0x820 [ 231.997894] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.003262] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.008192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.013044] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.018062] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.023084] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.028137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.032990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.038384] warn_alloc_show_mem: 1 callbacks suppressed [ 232.038396] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 232.038398] Mem-Info: [ 232.038452] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 232.038452] active_file:13 inactive_file:14 isolated_file:0 [ 232.038452] unevictable:0 dirty:0 writeback:0 unstable:0 [ 232.038452] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 232.038452] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 232.038452] free:13777 free_pcp:213 free_cma:0 [ 232.043804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.050565] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 232.052967] Call Trace: [ 232.085832] Node 0 [ 232.095212] dump_stack+0x1c4/0x2b4 [ 232.122714] 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 [ 232.125280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.127488] lowmem_reserve[]: 0 [ 232.131129] warn_alloc.cold.119+0xb7/0x1bd [ 232.156597] 2819 6323 [ 232.161796] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.165054] 6323 [ 232.169375] ? lock_downgrade+0x900/0x900 [ 232.171850] Node 0 [ 232.176694] ? trace_hardirqs_off+0xb8/0x310 [ 232.178762] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 232.182890] ? trace_hardirqs_off+0xb8/0x310 [ 232.185099] lowmem_reserve[]: 0 [ 232.189521] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.216474] 0 [ 232.220900] ? warn_alloc+0x120/0x120 [ 232.224151] 3503 [ 232.228994] ? warn_alloc+0x120/0x120 [ 232.230767] 3503 [ 232.234577] ? print_usage_bug+0xc0/0xc0 [ 232.236617] Node 0 [ 232.240444] ? warn_alloc+0x120/0x120 [ 232.242511] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 232.246545] ? print_usage_bug+0xc0/0xc0 [ 232.248763] lowmem_reserve[]: [ 232.252560] ? __lock_acquire+0x7ec/0x4ec0 [ 232.280818] 0 [ 232.284919] ? __lock_acquire+0x7ec/0x4ec0 [ 232.288000] 0 0 [ 232.292244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.294027] 0 [ 232.298262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.305748] ? should_fail+0x22d/0xd01 [ 232.307529] Node 0 [ 232.313062] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.316929] DMA: [ 232.319165] ? __lock_acquire+0x7ec/0x4ec0 [ 232.324252] 1*4kB [ 232.326317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.330531] (U) [ 232.332683] ? __lock_acquire+0x7ec/0x4ec0 [ 232.337776] 0*8kB [ 232.339777] ? should_fail+0x22d/0xd01 [ 232.343990] 0*16kB [ 232.346141] ? mark_held_locks+0x130/0x130 [ 232.350009] 1*32kB [ 232.352243] ? mark_held_locks+0x130/0x130 [ 232.356482] (U) [ 232.358740] ? mark_held_locks+0xc7/0x130 [ 232.362953] 2*64kB [ 232.364928] ? print_usage_bug+0xc0/0xc0 [ 232.369083] (U) 1*128kB [ 232.371330] ? graph_lock+0x170/0x170 [ 232.375369] (U) [ 232.378052] ? print_usage_bug+0xc0/0xc0 [ 232.381847] 1*256kB [ 232.383821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.387866] (U) [ 232.390192] ? check_preemption_disabled+0x48/0x200 [ 232.395709] 0*512kB [ 232.397719] ? check_preemption_disabled+0x48/0x200 [ 232.402702] 1*1024kB (U) [ 232.405043] ? __lock_is_held+0xb5/0x140 [ 232.410030] 1*2048kB (M) [ 232.412796] __alloc_pages_nodemask+0xa80/0xde0 [ 232.416837] 3*4096kB [ 232.419593] ? graph_lock+0x170/0x170 [ 232.424245] (M) [ 232.426653] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.430431] = 15908kB [ 232.430440] Node 0 [ 232.432413] ? graph_lock+0x170/0x170 [ 232.437412] DMA32: 4*4kB [ 232.439846] ? find_held_lock+0x36/0x1c0 [ 232.442059] (M) [ 232.445862] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.448598] 1*8kB [ 232.452658] ? lock_downgrade+0x900/0x900 [ 232.454612] (U) [ 232.459282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.461408] 3*16kB [ 232.465570] cache_grow_begin+0x91/0x8c0 [ 232.467526] (UM) [ 232.473064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.475290] 3*32kB [ 232.479352] fallback_alloc+0x203/0x2e0 [ 232.481392] (UM) [ 232.485801] ____cache_alloc_node+0x1c7/0x1e0 [ 232.488025] 5*64kB [ 232.491998] kmem_cache_alloc_node+0xe3/0x730 [ 232.494053] (UM) [ 232.498549] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.500766] 3*128kB [ 232.505259] __alloc_skb+0x119/0x770 [ 232.507293] (M) [ 232.511529] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.513841] 3*256kB [ 232.517548] ? skb_scrub_packet+0x490/0x490 [ 232.519504] (M) [ 232.524788] ? lock_downgrade+0x900/0x900 [ 232.527103] 4*512kB [ 232.531461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.533416] (UM) [ 232.537575] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.539875] 3*1024kB [ 232.545408] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.547463] (UM) [ 232.552910] ? addrconf_rs_timer+0x690/0x690 [ 232.555316] 1*2048kB (M) [ 232.560784] ndisc_alloc_skb+0x144/0x340 [ 232.562819] 4*4096kB [ 232.567222] ndisc_send_rs+0x331/0x6e0 [ 232.569960] (M) [ 232.574025] addrconf_rs_timer+0x314/0x690 [ 232.576417] = 25192kB [ 232.580314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.582267] Node 0 [ 232.586522] call_timer_fn+0x272/0x920 [ 232.588907] Normal: [ 232.593142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.595365] 824*4kB [ 232.599260] ? process_timeout+0x40/0x40 [ 232.601565] (MEH) [ 232.605817] ? find_held_lock+0x36/0x1c0 [ 232.608168] 371*8kB [ 232.612265] ? __run_timers+0x7da/0xc70 [ 232.614386] (ME) 164*16kB [ 232.618467] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.620775] (ME) 69*32kB [ 232.624752] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.627582] (UMEH) [ 232.632076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.634806] 28*64kB (M) [ 232.639309] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.641519] 1*128kB (M) [ 232.645785] ? trace_hardirqs_on+0xbd/0x310 [ 232.648490] 0*256kB [ 232.653084] ? kasan_check_read+0x11/0x20 [ 232.655741] 0*512kB [ 232.660061] ? __run_timers+0x7da/0xc70 [ 232.662363] 1*1024kB [ 232.666538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.668855] (H) [ 232.672838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.675228] 0*2048kB 0*4096kB [ 232.680697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.682648] = 14040kB [ 232.682662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.686887] __run_timers+0x7e5/0xc70 [ 232.690067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.694292] ? find_held_lock+0x36/0x1c0 [ 232.696683] 146 total pagecache pages [ 232.705576] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.709365] 0 pages in swap cache [ 232.717934] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.721981] Swap cache stats: add 0, delete 0, find 0/0 [ 232.721991] Free swap = 0kB [ 232.725801] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.731140] Total swap = 0kB [ 232.731162] 1965979 pages RAM [ 232.734627] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.739096] 0 pages HighMem/MovableOnly [ 232.739105] 342307 pages reserved [ 232.744496] ? trace_hardirqs_on+0xbd/0x310 [ 232.747490] 0 pages cma reserved [ 232.747566] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.751985] ? kasan_check_read+0x11/0x20 [ 232.752004] ? finish_task_switch+0x1f5/0x900 [ 232.755060] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.758129] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.762688] syz-executor3 cpuset= [ 232.766683] ? compat_start_thread+0x80/0x80 [ 232.770114] syz3 [ 232.774481] ? pvclock_read_flags+0x160/0x160 [ 232.777824] mems_allowed=0 [ 232.784312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.831719] ? check_preemption_disabled+0x48/0x200 [ 232.836754] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 232.842297] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.847589] ? rcu_pm_notify+0xc0/0xc0 [ 232.851496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.857038] ? check_preemption_disabled+0x48/0x200 [ 232.862065] run_timer_softirq+0x52/0xb0 [ 232.866130] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.871164] __do_softirq+0x30b/0xad8 [ 232.875001] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.880121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.884896] ? schedule+0x108/0x460 [ 232.888537] ? trace_hardirqs_off+0xb8/0x310 [ 232.892964] ? smpboot_thread_fn+0x68b/0xa00 [ 232.897393] ? trace_hardirqs_on+0x310/0x310 [ 232.901832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.907392] ? check_preemption_disabled+0x48/0x200 [ 232.912458] ? takeover_tasklets+0xa90/0xa90 [ 232.916876] run_ksoftirqd+0x94/0x100 [ 232.920689] smpboot_thread_fn+0x68b/0xa00 [ 232.924960] ? sort_range+0x30/0x30 [ 232.928594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.933711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.939257] ? __kthread_parkme+0xfb/0x1a0 [ 232.943511] kthread+0x35a/0x420 [ 232.946890] ? sort_range+0x30/0x30 [ 232.950529] ? kthread_bind+0x40/0x40 [ 232.954343] ret_from_fork+0x3a/0x50 [ 232.958091] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 232.958183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.965288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.965297] Call Trace: [ 232.971867] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.981128] [ 232.983706] ksoftirqd/0 cpuset= [ 232.994017] dump_stack+0x1c4/0x2b4 [ 232.996142] / [ 232.999481] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.003091] mems_allowed=0 [ 233.004821] warn_alloc.cold.119+0xb7/0x1bd [ 233.017280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.022129] ? lock_downgrade+0x900/0x900 [ 233.026287] ? trace_hardirqs_off+0xb8/0x310 [ 233.030703] ? trace_hardirqs_off+0xb8/0x310 [ 233.035311] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.040188] ? warn_alloc+0x120/0x120 [ 233.044000] ? warn_alloc+0x120/0x120 [ 233.047805] ? print_usage_bug+0xc0/0xc0 [ 233.051877] ? warn_alloc+0x120/0x120 [ 233.055680] ? print_usage_bug+0xc0/0xc0 [ 233.059752] ? __lock_acquire+0x7ec/0x4ec0 [ 233.064031] ? __lock_acquire+0x7ec/0x4ec0 [ 233.068280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.073819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.079358] ? should_fail+0x22d/0xd01 [ 233.083257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.088370] ? __lock_acquire+0x7ec/0x4ec0 [ 233.092612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.097718] ? __lock_acquire+0x7ec/0x4ec0 [ 233.101953] ? should_fail+0x22d/0xd01 [ 233.105859] ? mark_held_locks+0x130/0x130 [ 233.110101] ? mark_held_locks+0x130/0x130 [ 233.114337] ? graph_lock+0x170/0x170 [ 233.118139] ? print_usage_bug+0xc0/0xc0 [ 233.122222] ? graph_lock+0x170/0x170 [ 233.126034] ? print_usage_bug+0xc0/0xc0 [ 233.130111] ? wq_watchdog_touch+0x9c/0xfe [ 233.134348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.139894] ? check_preemption_disabled+0x48/0x200 [ 233.144915] ? check_preemption_disabled+0x48/0x200 [ 233.149946] ? __lock_is_held+0xb5/0x140 [ 233.154033] __alloc_pages_nodemask+0xa80/0xde0 [ 233.158700] ? graph_lock+0x170/0x170 [ 233.162512] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.167530] ? graph_lock+0x170/0x170 [ 233.171342] ? find_held_lock+0x36/0x1c0 [ 233.175414] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.180108] ? lock_downgrade+0x900/0x900 [ 233.184264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.189806] cache_grow_begin+0x91/0x8c0 [ 233.193880] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.198324] fallback_alloc+0x203/0x2e0 [ 233.202315] ____cache_alloc_node+0x1c7/0x1e0 [ 233.206815] kmem_cache_alloc_node+0xe3/0x730 [ 233.211336] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.215589] __alloc_skb+0x119/0x770 [ 233.219304] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.224588] ? skb_scrub_packet+0x490/0x490 [ 233.228910] ? lock_downgrade+0x900/0x900 [ 233.233065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.238623] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.244092] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.249543] ? addrconf_rs_timer+0x690/0x690 [ 233.253965] ndisc_alloc_skb+0x144/0x340 [ 233.258034] ndisc_send_rs+0x331/0x6e0 [ 233.261936] addrconf_rs_timer+0x314/0x690 [ 233.266207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.270503] call_timer_fn+0x272/0x920 [ 233.274408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.278682] ? process_timeout+0x40/0x40 [ 233.282746] ? find_held_lock+0x36/0x1c0 [ 233.286817] ? __run_timers+0x7da/0xc70 [ 233.290794] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.295290] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.299795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.304029] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.308626] ? trace_hardirqs_on+0xbd/0x310 [ 233.312947] ? kasan_check_read+0x11/0x20 [ 233.317096] ? __run_timers+0x7da/0xc70 [ 233.321076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.326574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.330818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.335056] __run_timers+0x7e5/0xc70 [ 233.338871] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.344258] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.349281] ? graph_lock+0x170/0x170 [ 233.353085] ? enqueue_hrtimer+0x1a5/0x560 [ 233.357319] ? lock_release+0x970/0x970 [ 233.361294] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.366491] ? find_held_lock+0x36/0x1c0 [ 233.370580] ? graph_lock+0x170/0x170 [ 233.374408] ? pvclock_read_flags+0x160/0x160 [ 233.378913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.384457] ? check_preemption_disabled+0x48/0x200 [ 233.389488] ? __lock_is_held+0xb5/0x140 [ 233.393555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.399091] ? check_preemption_disabled+0x48/0x200 [ 233.404115] run_timer_softirq+0x52/0xb0 [ 233.408181] ? rcu_read_lock_sched_held+0x108/0x120 [ 233.413203] __do_softirq+0x30b/0xad8 [ 233.417029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.422147] ? pvclock_read_flags+0x160/0x160 [ 233.426648] ? lapic_next_event+0x5a/0x90 [ 233.430806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.436365] ? check_preemption_disabled+0x48/0x200 [ 233.441388] ? check_preemption_disabled+0x48/0x200 [ 233.446420] ? kvm_clock_read+0x18/0x30 [ 233.450410] ? kvm_sched_clock_read+0x9/0x20 [ 233.454831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.460374] ? check_preemption_disabled+0x48/0x200 [ 233.465407] irq_exit+0x17f/0x1c0 [ 233.468875] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.473722] ? smp_reschedule_interrupt+0x109/0x650 [ 233.478753] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.484641] ? interrupt_entry+0xb5/0xf0 [ 233.488712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.493731] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.498773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.503629] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.508646] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.513664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.519207] ? check_preemption_disabled+0x48/0x200 [ 233.524238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.529785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.534641] apic_timer_interrupt+0xf/0x20 [ 233.538874] [ 233.541118] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 233.546063] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 233.564966] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 233.572680] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 233.579958] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 233.587230] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 233.594502] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.601776] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 233.609087] skb_clone+0x1bb/0x500 [ 233.612646] ? finish_task_switch+0x1b5/0x900 [ 233.617148] ? skb_split+0x11e0/0x11e0 [ 233.621043] ? preempt_notifier_register+0x200/0x200 [ 233.626152] ? __switch_to_asm+0x34/0x70 [ 233.630281] ? __switch_to_asm+0x34/0x70 [ 233.634343] ? __switch_to_asm+0x40/0x70 [ 233.638409] ? __switch_to_asm+0x34/0x70 [ 233.642478] ? __switch_to_asm+0x40/0x70 [ 233.646540] ? __switch_to_asm+0x34/0x70 [ 233.650634] ? __switch_to_asm+0x40/0x70 [ 233.654707] ? __switch_to_asm+0x34/0x70 [ 233.658793] ? __switch_to_asm+0x34/0x70 [ 233.662859] ? __switch_to_asm+0x40/0x70 [ 233.666922] ? __switch_to_asm+0x34/0x70 [ 233.670999] bpf_clone_redirect+0xb9/0x490 [ 233.675244] ? __schedule+0x874/0x1ed0 [ 233.679158] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 233.684184] ? __sched_text_start+0x8/0x8 [ 233.688618] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.693397] ? find_held_lock+0x36/0x1c0 [ 233.697532] ? lock_acquire+0x1ed/0x520 [ 233.701515] ? bpf_test_run+0x32e/0x5a0 [ 233.705523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.711080] ? check_preemption_disabled+0x48/0x200 [ 233.716110] ? kasan_check_read+0x11/0x20 [ 233.720264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.725559] ? rcu_bh_qs+0xc0/0xc0 [ 233.729103] ? preempt_schedule+0x4d/0x60 [ 233.733253] ? ___preempt_schedule+0x16/0x18 [ 233.737670] ? bpf_test_run+0x1c0/0x5a0 [ 233.741688] ? netlink_diag_dump+0x2a0/0x2a0 [ 233.746123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.751663] ? bpf_test_init.isra.9+0x70/0x100 [ 233.756268] ? bpf_prog_test_run_skb+0x634/0xb40 [ 233.761044] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.765898] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.771462] ? fput+0x130/0x1a0 [ 233.774745] ? __bpf_prog_get+0x9b/0x290 [ 233.778828] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.783676] ? bpf_prog_test_run+0x130/0x1a0 [ 233.788107] ? __x64_sys_bpf+0x3d8/0x510 [ 233.792170] ? bpf_prog_get+0x20/0x20 [ 233.796000] ? do_syscall_64+0x1b9/0x820 [ 233.800063] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.805439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.810381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.815247] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.820266] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.825280] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.830305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.835178] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.840566] warn_alloc_show_mem: 1 callbacks suppressed [ 233.840577] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 233.840579] Mem-Info: [ 233.840607] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 233.840607] active_file:13 inactive_file:14 isolated_file:0 [ 233.840607] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.840607] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 233.840607] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 233.840607] free:13777 free_pcp:213 free_cma:0 [ 233.845945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.845954] Call Trace: [ 233.852719] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.855177] dump_stack+0x1c4/0x2b4 [ 233.888032] Node 0 [ 233.897390] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.899990] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 233.927532] warn_alloc.cold.119+0xb7/0x1bd [ 233.931131] lowmem_reserve[]: [ 233.933380] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.938550] 0 [ 233.964080] ? lock_downgrade+0x900/0x900 [ 233.968381] 2819 [ 233.971499] ? trace_hardirqs_off+0xb8/0x310 [ 233.976315] 6323 [ 233.978113] ? trace_hardirqs_off+0xb8/0x310 [ 233.982244] 6323 [ 233.984322] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.990802] ? warn_alloc+0x120/0x120 [ 233.995164] Node 0 [ 233.997232] ? warn_alloc+0x120/0x120 [ 234.002077] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 234.005849] ? print_usage_bug+0xc0/0xc0 [ 234.008084] lowmem_reserve[]: 0 [ 234.011892] ? warn_alloc+0x120/0x120 [ 234.038852] 0 [ 234.042909] ? print_usage_bug+0xc0/0xc0 [ 234.046166] 3503 [ 234.050000] ? __lock_acquire+0x7ec/0x4ec0 [ 234.051821] 3503 [ 234.055909] ? __lock_acquire+0x7ec/0x4ec0 [ 234.057982] Node 0 [ 234.062212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.064286] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 234.068493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.070736] lowmem_reserve[]: [ 234.076283] ? should_fail+0x22d/0xd01 [ 234.104541] 0 [ 234.110076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.113159] 0 [ 234.117046] ? __lock_acquire+0x7ec/0x4ec0 [ 234.118834] 0 [ 234.123948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.125731] 0 [ 234.129983] ? __lock_acquire+0x7ec/0x4ec0 [ 234.136854] ? should_fail+0x22d/0xd01 [ 234.138648] Node 0 [ 234.142882] ? mark_held_locks+0x130/0x130 [ 234.146747] DMA: [ 234.148986] ? mark_held_locks+0x130/0x130 [ 234.153198] 1*4kB [ 234.155263] ? mark_held_locks+0xc7/0x130 [ 234.159485] (U) [ 234.161645] ? print_usage_bug+0xc0/0xc0 [ 234.165772] 0*8kB [ 234.167774] ? graph_lock+0x170/0x170 [ 234.171815] 0*16kB [ 234.173962] ? print_usage_bug+0xc0/0xc0 [ 234.177745] 1*32kB [ 234.179993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.184041] (U) [ 234.186280] ? check_preemption_disabled+0x48/0x200 [ 234.191792] 2*64kB [ 234.193775] ? check_preemption_disabled+0x48/0x200 [ 234.198803] (U) [ 234.201050] ? __lock_is_held+0xb5/0x140 [ 234.206037] 1*128kB [ 234.208028] __alloc_pages_nodemask+0xa80/0xde0 [ 234.212060] (U) [ 234.214407] ? graph_lock+0x170/0x170 [ 234.219067] 1*256kB [ 234.221038] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.224822] (U) [ 234.227137] ? graph_lock+0x170/0x170 [ 234.232124] 0*512kB 1*1024kB [ 234.234114] ? find_held_lock+0x36/0x1c0 [ 234.237885] (U) [ 234.240994] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.245022] 1*2048kB (M) [ 234.247032] ? lock_downgrade+0x900/0x900 [ 234.251677] 3*4096kB [ 234.254440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.258565] (M) [ 234.260984] cache_grow_begin+0x91/0x8c0 [ 234.266489] = 15908kB [ 234.266498] Node 0 [ 234.268473] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.272510] DMA32: [ 234.274921] fallback_alloc+0x203/0x2e0 [ 234.277138] 4*4kB [ 234.281563] ____cache_alloc_node+0x1c7/0x1e0 [ 234.283778] (M) [ 234.287750] kmem_cache_alloc_node+0xe3/0x730 [ 234.289903] 1*8kB [ 234.294409] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.296365] (U) [ 234.300861] __alloc_skb+0x119/0x770 [ 234.302983] 3*16kB [ 234.307216] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.309182] (UM) [ 234.312893] ? skb_scrub_packet+0x490/0x490 [ 234.315107] 3*32kB (UM) [ 234.320385] ? lock_downgrade+0x900/0x900 [ 234.322434] 5*64kB [ 234.326755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.329398] (UM) [ 234.333549] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.335766] 3*128kB [ 234.341301] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.343344] (M) [ 234.348825] ? addrconf_rs_timer+0x690/0x690 [ 234.351130] 3*256kB [ 234.356601] ndisc_alloc_skb+0x144/0x340 [ 234.358547] (M) [ 234.362954] ndisc_send_rs+0x331/0x6e0 [ 234.365255] 4*512kB [ 234.369313] addrconf_rs_timer+0x314/0x690 [ 234.371265] (UM) [ 234.375172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.377476] 3*1024kB [ 234.381736] call_timer_fn+0x272/0x920 [ 234.383813] (UM) [ 234.388045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.390442] 1*2048kB [ 234.394324] ? process_timeout+0x40/0x40 [ 234.396367] (M) [ 234.400598] ? find_held_lock+0x36/0x1c0 [ 234.402987] 4*4096kB [ 234.407048] ? __run_timers+0x7da/0xc70 [ 234.409013] (M) [ 234.413086] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.415486] = 25192kB [ 234.419466] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.421438] Node 0 [ 234.425947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.428334] Normal: [ 234.432833] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.435048] 824*4kB [ 234.439278] ? trace_hardirqs_on+0xbd/0x310 [ 234.441592] (MEH) [ 234.446177] ? kasan_check_read+0x11/0x20 [ 234.448475] 371*8kB (ME) [ 234.452804] ? __run_timers+0x7da/0xc70 [ 234.454936] 164*16kB [ 234.459080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.461833] (ME) [ 234.465812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.468213] 69*32kB [ 234.473661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.475700] (UMEH) [ 234.479938] __run_timers+0x7e5/0xc70 [ 234.482240] 28*64kB (M) [ 234.486479] ? find_held_lock+0x36/0x1c0 [ 234.488688] 1*128kB (M) [ 234.492502] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.495138] 0*256kB 0*512kB [ 234.499207] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.501879] 1*1024kB [ 234.507237] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.510229] (H) 0*2048kB [ 234.514759] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.517142] 0*4096kB = 14040kB [ 234.521640] ? trace_hardirqs_on+0xbd/0x310 [ 234.524384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.528967] ? kasan_check_read+0x11/0x20 [ 234.532149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.536474] ? finish_task_switch+0x1f5/0x900 [ 234.545288] 146 total pagecache pages [ 234.549444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.558012] 0 pages in swap cache [ 234.562506] ? compat_start_thread+0x80/0x80 [ 234.566296] Swap cache stats: add 0, delete 0, find 0/0 [ 234.566305] Free swap = 0kB [ 234.571771] ? pvclock_read_flags+0x160/0x160 [ 234.575190] Total swap = 0kB [ 234.579596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.584939] 1965979 pages RAM [ 234.587960] ? check_preemption_disabled+0x48/0x200 [ 234.592441] 0 pages HighMem/MovableOnly [ 234.595490] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 234.601005] 342307 pages reserved [ 234.601014] 0 pages cma reserved [ 234.604123] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.609186] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.613095] ? rcu_pm_notify+0xc0/0xc0 [ 234.618706] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.622072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.625418] syz-executor3 cpuset= [ 234.630705] ? check_preemption_disabled+0x48/0x200 [ 234.637172] syz3 [ 234.641062] run_timer_softirq+0x52/0xb0 [ 234.651524] mems_allowed=0 [ 234.657055] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.679480] __do_softirq+0x30b/0xad8 [ 234.683294] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.688586] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.693353] ? schedule+0x108/0x460 [ 234.696994] ? trace_hardirqs_off+0xb8/0x310 [ 234.701408] ? smpboot_thread_fn+0x68b/0xa00 [ 234.705828] ? trace_hardirqs_on+0x310/0x310 [ 234.710240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.715793] ? check_preemption_disabled+0x48/0x200 [ 234.720823] ? takeover_tasklets+0xa90/0xa90 [ 234.725264] run_ksoftirqd+0x94/0x100 [ 234.729076] smpboot_thread_fn+0x68b/0xa00 [ 234.733318] ? sort_range+0x30/0x30 [ 234.736945] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.742049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.747588] ? __kthread_parkme+0xfb/0x1a0 [ 234.751843] kthread+0x35a/0x420 [ 234.755214] ? sort_range+0x30/0x30 [ 234.758843] ? kthread_bind+0x40/0x40 [ 234.762644] ret_from_fork+0x3a/0x50 [ 234.766373] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 234.766454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.773586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.773591] Call Trace: [ 234.773598] [ 234.773617] dump_stack+0x1c4/0x2b4 [ 234.773636] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.780212] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.789485] warn_alloc.cold.119+0xb7/0x1bd [ 234.792056] ksoftirqd/0 cpuset= [ 234.794737] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.798354] / [ 234.803552] ? lock_downgrade+0x900/0x900 [ 234.813844] mems_allowed=0 [ 234.818166] ? trace_hardirqs_off+0xb8/0x310 [ 234.839415] ? trace_hardirqs_off+0xb8/0x310 [ 234.843850] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.848736] ? warn_alloc+0x120/0x120 [ 234.852543] ? trace_hardirqs_on+0x310/0x310 [ 234.856955] ? warn_alloc+0x120/0x120 [ 234.860765] ? print_usage_bug+0xc0/0xc0 [ 234.864829] ? warn_alloc+0x120/0x120 [ 234.868631] ? ktime_get+0x2e1/0x440 [ 234.872347] ? print_usage_bug+0xc0/0xc0 [ 234.876421] ? __lock_acquire+0x7ec/0x4ec0 [ 234.880689] ? __lock_acquire+0x7ec/0x4ec0 [ 234.884928] ? kasan_check_read+0x11/0x20 [ 234.889078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.894616] ? should_fail+0x22d/0xd01 [ 234.898504] ? rcu_bh_qs+0xc0/0xc0 [ 234.902049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.907161] ? __lock_acquire+0x7ec/0x4ec0 [ 234.911438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.916540] ? __lock_acquire+0x7ec/0x4ec0 [ 234.920789] ? should_fail+0x22d/0xd01 [ 234.924682] ? rcu_idle_enter+0x4b0/0x4b0 [ 234.928838] ? mark_held_locks+0x130/0x130 [ 234.933080] ? mark_held_locks+0x130/0x130 [ 234.937323] ? mark_held_locks+0xc7/0x130 [ 234.941472] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 234.946499] ? graph_lock+0x170/0x170 [ 234.950323] ? print_usage_bug+0xc0/0xc0 [ 234.954387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.959928] ? check_preemption_disabled+0x48/0x200 [ 234.964957] ? check_preemption_disabled+0x48/0x200 [ 234.969988] ? __lock_is_held+0xb5/0x140 [ 234.974062] __alloc_pages_nodemask+0xa80/0xde0 [ 234.978733] ? graph_lock+0x170/0x170 [ 234.982546] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.987564] ? graph_lock+0x170/0x170 [ 234.991376] ? find_held_lock+0x36/0x1c0 [ 234.995459] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.000132] ? lock_downgrade+0x900/0x900 [ 235.004289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.009837] cache_grow_begin+0x91/0x8c0 [ 235.013900] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.018318] fallback_alloc+0x203/0x2e0 [ 235.022304] ____cache_alloc_node+0x1c7/0x1e0 [ 235.026809] kmem_cache_alloc_node+0xe3/0x730 [ 235.031313] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.035564] __alloc_skb+0x119/0x770 [ 235.039284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.044577] ? skb_scrub_packet+0x490/0x490 [ 235.048905] ? lock_downgrade+0x900/0x900 [ 235.053062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.058609] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.064069] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.069540] ? addrconf_rs_timer+0x690/0x690 [ 235.073964] ndisc_alloc_skb+0x144/0x340 [ 235.078033] ndisc_send_rs+0x331/0x6e0 [ 235.081930] addrconf_rs_timer+0x314/0x690 [ 235.086183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.090446] call_timer_fn+0x272/0x920 [ 235.094338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.098581] ? process_timeout+0x40/0x40 [ 235.102644] ? find_held_lock+0x36/0x1c0 [ 235.106734] ? __run_timers+0x7da/0xc70 [ 235.110731] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.115236] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.119735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.123972] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.128565] ? trace_hardirqs_on+0xbd/0x310 [ 235.132889] ? kasan_check_read+0x11/0x20 [ 235.137038] ? __run_timers+0x7da/0xc70 [ 235.141014] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.146473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.150715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.154975] __run_timers+0x7e5/0xc70 [ 235.158793] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.164162] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.169251] ? graph_lock+0x170/0x170 [ 235.173071] ? enqueue_hrtimer+0x1a5/0x560 [ 235.177310] ? lock_release+0x970/0x970 [ 235.181292] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.186550] ? find_held_lock+0x36/0x1c0 [ 235.190674] ? graph_lock+0x170/0x170 [ 235.194483] ? pvclock_read_flags+0x160/0x160 [ 235.198984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.204532] ? check_preemption_disabled+0x48/0x200 [ 235.209565] ? __lock_is_held+0xb5/0x140 [ 235.213630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.219174] ? check_preemption_disabled+0x48/0x200 [ 235.224205] run_timer_softirq+0x52/0xb0 [ 235.228283] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.233330] __do_softirq+0x30b/0xad8 [ 235.237165] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.242277] ? pvclock_read_flags+0x160/0x160 [ 235.246778] ? lapic_next_event+0x5a/0x90 [ 235.250933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.256476] ? check_preemption_disabled+0x48/0x200 [ 235.261495] ? check_preemption_disabled+0x48/0x200 [ 235.266524] ? kvm_clock_read+0x18/0x30 [ 235.270501] ? kvm_sched_clock_read+0x9/0x20 [ 235.274914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.280468] ? check_preemption_disabled+0x48/0x200 [ 235.285502] irq_exit+0x17f/0x1c0 [ 235.288962] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.293823] ? smp_reschedule_interrupt+0x109/0x650 [ 235.298855] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.304742] ? interrupt_entry+0xb5/0xf0 [ 235.308811] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.313830] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.318854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.323697] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.328721] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.333750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.339303] ? check_preemption_disabled+0x48/0x200 [ 235.344323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.349873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.354727] apic_timer_interrupt+0xf/0x20 [ 235.358962] [ 235.361203] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 235.366141] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 235.385053] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.392774] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 235.400047] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 235.407322] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 235.414610] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 235.421879] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 235.429202] skb_clone+0x1bb/0x500 [ 235.432751] ? finish_task_switch+0x1b5/0x900 [ 235.437268] ? skb_split+0x11e0/0x11e0 [ 235.441192] ? preempt_notifier_register+0x200/0x200 [ 235.446325] ? __switch_to_asm+0x34/0x70 [ 235.450391] ? __switch_to_asm+0x34/0x70 [ 235.454500] ? __switch_to_asm+0x40/0x70 [ 235.458579] ? __switch_to_asm+0x34/0x70 [ 235.462667] ? __switch_to_asm+0x40/0x70 [ 235.466754] ? __switch_to_asm+0x34/0x70 [ 235.470843] ? __switch_to_asm+0x40/0x70 [ 235.474901] ? __switch_to_asm+0x34/0x70 [ 235.478974] ? __switch_to_asm+0x34/0x70 [ 235.483039] ? __switch_to_asm+0x40/0x70 [ 235.487102] ? __switch_to_asm+0x34/0x70 [ 235.491171] bpf_clone_redirect+0xb9/0x490 [ 235.495411] ? __schedule+0x874/0x1ed0 [ 235.499323] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 235.504340] ? __sched_text_start+0x8/0x8 [ 235.508492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.513263] ? find_held_lock+0x36/0x1c0 [ 235.517331] ? lock_acquire+0x1ed/0x520 [ 235.521311] ? bpf_test_run+0x32e/0x5a0 [ 235.525287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.530829] ? check_preemption_disabled+0x48/0x200 [ 235.535861] ? kasan_check_read+0x11/0x20 [ 235.540014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.545292] ? rcu_bh_qs+0xc0/0xc0 [ 235.548832] ? preempt_schedule+0x4d/0x60 [ 235.552991] ? ___preempt_schedule+0x16/0x18 [ 235.557405] ? bpf_test_run+0x1c0/0x5a0 [ 235.561433] ? netlink_diag_dump+0x2a0/0x2a0 [ 235.565851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.571401] ? bpf_test_init.isra.9+0x70/0x100 [ 235.576005] ? bpf_prog_test_run_skb+0x634/0xb40 [ 235.580772] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 235.585614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.591152] ? fput+0x130/0x1a0 [ 235.594445] ? __bpf_prog_get+0x9b/0x290 [ 235.598518] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 235.603363] ? bpf_prog_test_run+0x130/0x1a0 [ 235.607780] ? __x64_sys_bpf+0x3d8/0x510 [ 235.611842] ? bpf_prog_get+0x20/0x20 [ 235.615665] ? do_syscall_64+0x1b9/0x820 [ 235.619741] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 235.625114] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.630049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.634896] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.639917] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 235.644941] ? prepare_exit_to_usermode+0x291/0x3b0 [ 235.649964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.654816] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.660202] warn_alloc_show_mem: 1 callbacks suppressed [ 235.660214] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 235.660225] Mem-Info: [ 235.665591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.672353] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 235.672353] active_file:13 inactive_file:14 isolated_file:0 [ 235.672353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 235.672353] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 235.672353] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 235.672353] free:13777 free_pcp:213 free_cma:0 [ 235.674736] Call Trace: [ 235.684128] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 235.717145] dump_stack+0x1c4/0x2b4 [ 235.719715] Node 0 [ 235.747223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.750861] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 235.753079] warn_alloc.cold.119+0xb7/0x1bd [ 235.758239] lowmem_reserve[]: 0 [ 235.783786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.788085] 2819 6323 [ 235.791415] ? lock_downgrade+0x900/0x900 [ 235.796245] 6323 [ 235.798748] ? trace_hardirqs_off+0xb8/0x310 [ 235.802876] Node 0 [ 235.804943] ? trace_hardirqs_off+0xb8/0x310 [ 235.809351] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 235.811571] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.815945] lowmem_reserve[]: 0 [ 235.842971] ? warn_alloc+0x120/0x120 [ 235.847771] 0 [ 235.851054] ? warn_alloc+0x120/0x120 [ 235.854835] 3503 [ 235.856638] ? print_usage_bug+0xc0/0xc0 [ 235.860409] 3503 [ 235.862502] ? warn_alloc+0x120/0x120 [ 235.866586] Node 0 [ 235.868647] ? print_usage_bug+0xc0/0xc0 [ 235.872459] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 235.874667] ? __lock_acquire+0x7ec/0x4ec0 [ 235.878708] lowmem_reserve[]: [ 235.906994] ? __lock_acquire+0x7ec/0x4ec0 [ 235.911208] 0 [ 235.914317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.918530] 0 [ 235.920340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.925856] 0 [ 235.927659] ? should_fail+0x22d/0xd01 [ 235.933169] 0 [ 235.934983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.938846] Node 0 [ 235.940662] ? __lock_acquire+0x7ec/0x4ec0 [ 235.945752] DMA: 1*4kB [ 235.947997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.952212] (U) [ 235.954796] ? __lock_acquire+0x7ec/0x4ec0 [ 235.959877] 0*8kB 0*16kB [ 235.961860] ? should_fail+0x22d/0xd01 [ 235.966077] 1*32kB [ 235.968835] ? mark_held_locks+0x130/0x130 [ 235.972697] (U) [ 235.974939] ? mark_held_locks+0x130/0x130 [ 235.979170] 2*64kB (U) [ 235.981157] ? mark_held_locks+0xc7/0x130 [ 235.985379] 1*128kB [ 235.988033] ? print_usage_bug+0xc0/0xc0 [ 235.992163] (U) [ 235.994510] ? graph_lock+0x170/0x170 [ 235.998560] 1*256kB [ 236.000546] ? print_usage_bug+0xc0/0xc0 [ 236.004324] (U) [ 236.006659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.010705] 0*512kB [ 236.012688] ? check_preemption_disabled+0x48/0x200 [ 236.018227] 1*1024kB [ 236.020549] ? check_preemption_disabled+0x48/0x200 [ 236.025578] (U) [ 236.028014] ? __lock_is_held+0xb5/0x140 [ 236.032991] 1*2048kB (M) 3*4096kB [ 236.034988] __alloc_pages_nodemask+0xa80/0xde0 [ 236.039036] (M) [ 236.042579] ? graph_lock+0x170/0x170 [ 236.047232] = 15908kB [ 236.049207] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.052995] Node 0 [ 236.055405] ? graph_lock+0x170/0x170 [ 236.060409] DMA32: [ 236.062688] ? find_held_lock+0x36/0x1c0 [ 236.066463] 4*4kB [ 236.068731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.072778] (M) [ 236.074925] ? lock_downgrade+0x900/0x900 [ 236.079575] 1*8kB [ 236.081552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.085674] (U) [ 236.087821] cache_grow_begin+0x91/0x8c0 [ 236.093345] 3*16kB [ 236.095330] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.099367] (UM) [ 236.101612] fallback_alloc+0x203/0x2e0 [ 236.105992] 3*32kB (UM) [ 236.108078] ____cache_alloc_node+0x1c7/0x1e0 [ 236.112025] 5*64kB (UM) [ 236.114710] kmem_cache_alloc_node+0xe3/0x730 [ 236.119176] 3*128kB (M) [ 236.121861] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.126338] 3*256kB [ 236.129015] __alloc_skb+0x119/0x770 [ 236.133241] (M) [ 236.135576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.139275] 4*512kB [ 236.141262] ? skb_scrub_packet+0x490/0x490 [ 236.146519] (UM) [ 236.148842] ? lock_downgrade+0x900/0x900 [ 236.153139] 3*1024kB (UM) [ 236.155208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.159334] 1*2048kB [ 236.162179] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.167726] (M) [ 236.170134] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.175559] 4*4096kB (M) [ 236.177548] ? addrconf_rs_timer+0x690/0x690 [ 236.182971] = 25192kB [ 236.182980] Node 0 [ 236.185749] ndisc_alloc_skb+0x144/0x340 [ 236.190129] Normal: [ 236.192555] ndisc_send_rs+0x331/0x6e0 [ 236.194768] 824*4kB [ 236.198825] addrconf_rs_timer+0x314/0x690 [ 236.201119] (MEH) 371*8kB [ 236.205015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.207311] (ME) 164*16kB [ 236.211561] call_timer_fn+0x272/0x920 [ 236.214373] (ME) 69*32kB [ 236.218615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.221444] (UMEH) [ 236.225331] ? process_timeout+0x40/0x40 [ 236.228061] 28*64kB (M) [ 236.232302] ? find_held_lock+0x36/0x1c0 [ 236.234517] 1*128kB [ 236.238579] ? __run_timers+0x7da/0xc70 [ 236.241223] (M) [ 236.245284] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.247587] 0*256kB [ 236.251557] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.253517] 0*512kB [ 236.258005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.260305] 1*1024kB [ 236.264814] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.267115] (H) [ 236.271351] ? trace_hardirqs_on+0xbd/0x310 [ 236.273740] 0*2048kB [ 236.278325] ? kasan_check_read+0x11/0x20 [ 236.280286] 0*4096kB [ 236.284607] ? __run_timers+0x7da/0xc70 [ 236.287009] = 14040kB [ 236.291153] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.293550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.297516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.299914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.305366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.314195] 146 total pagecache pages [ 236.318438] __run_timers+0x7e5/0xc70 [ 236.327005] 0 pages in swap cache [ 236.331228] ? find_held_lock+0x36/0x1c0 [ 236.331256] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.335053] Swap cache stats: add 0, delete 0, find 0/0 [ 236.338846] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.342279] Free swap = 0kB [ 236.346346] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.351687] Total swap = 0kB [ 236.357066] ? lockdep_hardirqs_on+0x421/0x5c0 [ 236.361540] 1965979 pages RAM [ 236.364569] ? trace_hardirqs_on+0xbd/0x310 [ 236.369045] 0 pages HighMem/MovableOnly [ 236.372062] ? kasan_check_read+0x11/0x20 [ 236.376628] 342307 pages reserved [ 236.379733] ? finish_task_switch+0x1f5/0x900 [ 236.384031] 0 pages cma reserved [ 236.388006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.392195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.395590] ? compat_start_thread+0x80/0x80 [ 236.400178] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.403470] ? pvclock_read_flags+0x160/0x160 [ 236.408890] syz-executor3 cpuset= [ 236.415378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.419763] syz3 [ 236.430254] ? check_preemption_disabled+0x48/0x200 [ 236.434721] mems_allowed=0 [ 236.453657] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 236.459198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.464484] ? rcu_pm_notify+0xc0/0xc0 [ 236.468379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.473916] ? check_preemption_disabled+0x48/0x200 [ 236.478968] run_timer_softirq+0x52/0xb0 [ 236.483033] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.488053] __do_softirq+0x30b/0xad8 [ 236.491867] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.496975] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.501744] ? schedule+0x108/0x460 [ 236.505388] ? trace_hardirqs_off+0xb8/0x310 [ 236.509816] ? smpboot_thread_fn+0x68b/0xa00 [ 236.514229] ? trace_hardirqs_on+0x310/0x310 [ 236.518660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.524226] ? check_preemption_disabled+0x48/0x200 [ 236.529249] ? takeover_tasklets+0xa90/0xa90 [ 236.533668] run_ksoftirqd+0x94/0x100 [ 236.537470] smpboot_thread_fn+0x68b/0xa00 [ 236.541724] ? sort_range+0x30/0x30 [ 236.545365] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.550474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.556013] ? __kthread_parkme+0xfb/0x1a0 [ 236.560261] kthread+0x35a/0x420 [ 236.563630] ? sort_range+0x30/0x30 [ 236.567290] ? kthread_bind+0x40/0x40 [ 236.571097] ret_from_fork+0x3a/0x50 [ 236.574841] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 236.574906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.582028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.582034] Call Trace: [ 236.582040] [ 236.582059] dump_stack+0x1c4/0x2b4 [ 236.582078] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.588634] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.597919] warn_alloc.cold.119+0xb7/0x1bd [ 236.600478] ksoftirqd/0 cpuset= [ 236.602625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.606237] / [ 236.611439] ? lock_downgrade+0x900/0x900 [ 236.621735] mems_allowed=0 [ 236.626055] ? trace_hardirqs_off+0xb8/0x310 [ 236.647338] ? trace_hardirqs_off+0xb8/0x310 [ 236.651758] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.656635] ? warn_alloc+0x120/0x120 [ 236.660451] ? trace_hardirqs_on+0x310/0x310 [ 236.664867] ? warn_alloc+0x120/0x120 [ 236.668672] ? print_usage_bug+0xc0/0xc0 [ 236.672742] ? warn_alloc+0x120/0x120 [ 236.676544] ? ktime_get+0x2e1/0x440 [ 236.680280] ? print_usage_bug+0xc0/0xc0 [ 236.684355] ? __lock_acquire+0x7ec/0x4ec0 [ 236.688589] ? __lock_acquire+0x7ec/0x4ec0 [ 236.692824] ? kasan_check_read+0x11/0x20 [ 236.696977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.702545] ? should_fail+0x22d/0xd01 [ 236.706442] ? rcu_bh_qs+0xc0/0xc0 [ 236.709991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.715096] ? __lock_acquire+0x7ec/0x4ec0 [ 236.719337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.724447] ? __lock_acquire+0x7ec/0x4ec0 [ 236.728684] ? should_fail+0x22d/0xd01 [ 236.732573] ? rcu_idle_enter+0x4b0/0x4b0 [ 236.736728] ? mark_held_locks+0x130/0x130 [ 236.740972] ? mark_held_locks+0x130/0x130 [ 236.745224] ? mark_held_locks+0xc7/0x130 [ 236.749380] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 236.754473] ? graph_lock+0x170/0x170 [ 236.758279] ? print_usage_bug+0xc0/0xc0 [ 236.762344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.767899] ? check_preemption_disabled+0x48/0x200 [ 236.772931] ? check_preemption_disabled+0x48/0x200 [ 236.777972] ? __lock_is_held+0xb5/0x140 [ 236.782041] __alloc_pages_nodemask+0xa80/0xde0 [ 236.786716] ? graph_lock+0x170/0x170 [ 236.790524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.796017] ? graph_lock+0x170/0x170 [ 236.799842] ? find_held_lock+0x36/0x1c0 [ 236.803917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.808587] ? lock_downgrade+0x900/0x900 [ 236.812744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.818293] cache_grow_begin+0x91/0x8c0 [ 236.822370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.826800] fallback_alloc+0x203/0x2e0 [ 236.830784] ____cache_alloc_node+0x1c7/0x1e0 [ 236.835288] kmem_cache_alloc_node+0xe3/0x730 [ 236.839788] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.844035] __alloc_skb+0x119/0x770 [ 236.847769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.853050] ? skb_scrub_packet+0x490/0x490 [ 236.857385] ? lock_downgrade+0x900/0x900 [ 236.861548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.867087] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.872542] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.877996] ? addrconf_rs_timer+0x690/0x690 [ 236.882439] ndisc_alloc_skb+0x144/0x340 [ 236.886510] ndisc_send_rs+0x331/0x6e0 [ 236.890408] addrconf_rs_timer+0x314/0x690 [ 236.894660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.898908] call_timer_fn+0x272/0x920 [ 236.902799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.907038] ? process_timeout+0x40/0x40 [ 236.911100] ? find_held_lock+0x36/0x1c0 [ 236.915174] ? __run_timers+0x7da/0xc70 [ 236.919154] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.923650] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.928149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.932386] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.936977] ? trace_hardirqs_on+0xbd/0x310 [ 236.941300] ? kasan_check_read+0x11/0x20 [ 236.945479] ? __run_timers+0x7da/0xc70 [ 236.949471] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.954936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.959180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.963416] __run_timers+0x7e5/0xc70 [ 236.967255] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.972641] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.977672] ? graph_lock+0x170/0x170 [ 236.981483] ? enqueue_hrtimer+0x1a5/0x560 [ 236.985731] ? lock_release+0x970/0x970 [ 236.989711] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.994908] ? find_held_lock+0x36/0x1c0 [ 236.998976] ? graph_lock+0x170/0x170 [ 237.002777] ? pvclock_read_flags+0x160/0x160 [ 237.007274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.012811] ? check_preemption_disabled+0x48/0x200 [ 237.017842] ? __lock_is_held+0xb5/0x140 [ 237.021907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.027453] ? check_preemption_disabled+0x48/0x200 [ 237.032483] run_timer_softirq+0x52/0xb0 [ 237.036547] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.041568] __do_softirq+0x30b/0xad8 [ 237.045382] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.050492] ? pvclock_read_flags+0x160/0x160 [ 237.054988] ? lapic_next_event+0x5a/0x90 [ 237.059139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.064680] ? check_preemption_disabled+0x48/0x200 [ 237.069706] ? check_preemption_disabled+0x48/0x200 [ 237.074728] ? kvm_clock_read+0x18/0x30 [ 237.078705] ? kvm_sched_clock_read+0x9/0x20 [ 237.083123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.088680] ? check_preemption_disabled+0x48/0x200 [ 237.093746] irq_exit+0x17f/0x1c0 [ 237.097240] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.102082] ? smp_reschedule_interrupt+0x109/0x650 [ 237.107103] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.112987] ? interrupt_entry+0xb5/0xf0 [ 237.117057] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.122075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.127110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.131957] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.136985] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.142004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.147545] ? check_preemption_disabled+0x48/0x200 [ 237.152560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.158124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.162978] apic_timer_interrupt+0xf/0x20 [ 237.167206] [ 237.169461] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 237.174392] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 237.193299] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.201013] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 237.208279] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 237.215547] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 237.222812] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 237.230081] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 237.237401] skb_clone+0x1bb/0x500 [ 237.240954] ? finish_task_switch+0x1b5/0x900 [ 237.245457] ? skb_split+0x11e0/0x11e0 [ 237.249348] ? preempt_notifier_register+0x200/0x200 [ 237.254460] ? __switch_to_asm+0x34/0x70 [ 237.258528] ? __switch_to_asm+0x34/0x70 [ 237.262587] ? __switch_to_asm+0x40/0x70 [ 237.266653] ? __switch_to_asm+0x34/0x70 [ 237.270727] ? __switch_to_asm+0x40/0x70 [ 237.274787] ? __switch_to_asm+0x34/0x70 [ 237.278846] ? __switch_to_asm+0x40/0x70 [ 237.282911] ? __switch_to_asm+0x34/0x70 [ 237.286975] ? __switch_to_asm+0x34/0x70 [ 237.291034] ? __switch_to_asm+0x40/0x70 [ 237.295091] ? __switch_to_asm+0x34/0x70 [ 237.299161] bpf_clone_redirect+0xb9/0x490 [ 237.303412] ? __schedule+0x874/0x1ed0 [ 237.307317] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 237.312337] ? __sched_text_start+0x8/0x8 [ 237.316490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.321259] ? find_held_lock+0x36/0x1c0 [ 237.325378] ? lock_acquire+0x1ed/0x520 [ 237.329372] ? bpf_test_run+0x32e/0x5a0 [ 237.333347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.338890] ? check_preemption_disabled+0x48/0x200 [ 237.343928] ? kasan_check_read+0x11/0x20 [ 237.348082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.353361] ? rcu_bh_qs+0xc0/0xc0 [ 237.356918] ? preempt_schedule+0x4d/0x60 [ 237.361070] ? ___preempt_schedule+0x16/0x18 [ 237.365486] ? bpf_test_run+0x1c0/0x5a0 [ 237.369478] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.373891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.379440] ? bpf_test_init.isra.9+0x70/0x100 [ 237.384031] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.388807] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.393653] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.399191] ? fput+0x130/0x1a0 [ 237.402475] ? __bpf_prog_get+0x9b/0x290 [ 237.406543] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.411386] ? bpf_prog_test_run+0x130/0x1a0 [ 237.415800] ? __x64_sys_bpf+0x3d8/0x510 [ 237.419866] ? bpf_prog_get+0x20/0x20 [ 237.423692] ? do_syscall_64+0x1b9/0x820 [ 237.427754] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.433119] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.438056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.442918] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.447937] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.452959] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.457982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.462837] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.468277] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 237.468282] warn_alloc_show_mem: 1 callbacks suppressed [ 237.468290] Mem-Info: [ 237.475061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.480441] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 237.480441] active_file:13 inactive_file:14 isolated_file:0 [ 237.480441] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.480441] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 237.480441] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 237.480441] free:13777 free_pcp:213 free_cma:0 [ 237.482815] Call Trace: [ 237.492259] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.525117] dump_stack+0x1c4/0x2b4 [ 237.527704] Node 0 [ 237.555208] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.558845] 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 [ 237.561068] warn_alloc.cold.119+0xb7/0x1bd [ 237.566224] lowmem_reserve[]: 0 [ 237.591744] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.596048] 2819 [ 237.599337] ? lock_downgrade+0x900/0x900 [ 237.604151] 6323 6323 [ 237.606226] ? trace_hardirqs_off+0xb8/0x310 [ 237.610355] Node 0 [ 237.612856] ? trace_hardirqs_off+0xb8/0x310 [ 237.617266] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 237.619486] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.623873] lowmem_reserve[]: 0 [ 237.650884] ? warn_alloc+0x120/0x120 [ 237.655705] 0 [ 237.658988] ? warn_alloc+0x120/0x120 [ 237.662769] 3503 [ 237.664578] ? print_usage_bug+0xc0/0xc0 [ 237.668368] 3503 [ 237.670461] ? warn_alloc+0x120/0x120 [ 237.676597] ? print_usage_bug+0xc0/0xc0 [ 237.680379] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 237.684500] ? __lock_acquire+0x7ec/0x4ec0 [ 237.684516] ? __lock_acquire+0x7ec/0x4ec0 [ 237.713611] lowmem_reserve[]: 0 [ 237.717871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.722081] 0 [ 237.725360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.730882] 0 0 [ 237.732696] ? should_fail+0x22d/0xd01 [ 237.738220] Node 0 [ 237.740192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.744067] DMA: 1*4kB [ 237.746308] ? __lock_acquire+0x7ec/0x4ec0 [ 237.751385] (U) [ 237.753968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.758178] 0*8kB [ 237.760148] ? __lock_acquire+0x7ec/0x4ec0 [ 237.765232] 0*16kB [ 237.767380] ? should_fail+0x22d/0xd01 [ 237.771597] 1*32kB [ 237.773838] ? mark_held_locks+0x130/0x130 [ 237.777701] (U) [ 237.779948] ? mark_held_locks+0x130/0x130 [ 237.784165] 2*64kB [ 237.786154] ? mark_held_locks+0xc7/0x130 [ 237.790392] (U) [ 237.792631] ? print_usage_bug+0xc0/0xc0 [ 237.796756] 1*128kB [ 237.798738] ? graph_lock+0x170/0x170 [ 237.802779] (U) [ 237.805106] ? print_usage_bug+0xc0/0xc0 [ 237.808920] 1*256kB [ 237.810892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.814949] (U) [ 237.817297] ? check_preemption_disabled+0x48/0x200 [ 237.822823] 0*512kB [ 237.824798] ? check_preemption_disabled+0x48/0x200 [ 237.829790] 1*1024kB [ 237.832118] ? __lock_is_held+0xb5/0x140 [ 237.837106] (U) [ 237.839548] __alloc_pages_nodemask+0xa80/0xde0 [ 237.843581] 1*2048kB [ 237.845552] ? graph_lock+0x170/0x170 [ 237.850201] (M) [ 237.852866] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.856646] 3*4096kB [ 237.858628] ? graph_lock+0x170/0x170 [ 237.863633] (M) [ 237.866060] ? find_held_lock+0x36/0x1c0 [ 237.869836] = 15908kB [ 237.871813] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.875854] Node 0 [ 237.878273] ? lock_downgrade+0x900/0x900 [ 237.882929] DMA32: [ 237.885167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.889302] 4*4kB [ 237.891540] cache_grow_begin+0x91/0x8c0 [ 237.897056] (M) [ 237.899209] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.903246] 1*8kB (U) [ 237.905238] fallback_alloc+0x203/0x2e0 [ 237.909632] 3*16kB (UM) [ 237.912138] ____cache_alloc_node+0x1c7/0x1e0 [ 237.916087] 3*32kB (UM) [ 237.918770] kmem_cache_alloc_node+0xe3/0x730 [ 237.923247] 5*64kB [ 237.925916] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.930398] (UM) [ 237.932647] __alloc_skb+0x119/0x770 [ 237.936857] 3*128kB [ 237.938922] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.942622] (M) [ 237.944987] ? skb_scrub_packet+0x490/0x490 [ 237.950244] 3*256kB [ 237.952216] ? lock_downgrade+0x900/0x900 [ 237.956537] (M) [ 237.958861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.962984] 4*512kB [ 237.964968] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.970481] (UM) [ 237.972802] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.978228] 3*1024kB (UM) [ 237.980307] ? addrconf_rs_timer+0x690/0x690 [ 237.985738] 1*2048kB [ 237.988599] ndisc_alloc_skb+0x144/0x340 [ 237.992976] (M) [ 237.995407] ndisc_send_rs+0x331/0x6e0 [ 237.999450] 4*4096kB [ 238.001432] addrconf_rs_timer+0x314/0x690 [ 238.005298] (M) [ 238.007711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.011930] = 25192kB [ 238.011939] Node 0 [ 238.013933] call_timer_fn+0x272/0x920 [ 238.018138] Normal: [ 238.020546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.022765] 824*4kB [ 238.026684] ? process_timeout+0x40/0x40 [ 238.028979] (MEH) [ 238.033215] ? find_held_lock+0x36/0x1c0 [ 238.035526] 371*8kB [ 238.039594] ? __run_timers+0x7da/0xc70 [ 238.041724] (ME) [ 238.045782] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.048084] 164*16kB [ 238.052054] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.054122] (ME) [ 238.058649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.061038] 69*32kB [ 238.065528] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.067580] (UMEH) [ 238.071811] ? trace_hardirqs_on+0xbd/0x310 [ 238.074116] 28*64kB [ 238.078693] ? kasan_check_read+0x11/0x20 [ 238.080935] (M) [ 238.085269] ? __run_timers+0x7da/0xc70 [ 238.087574] 1*128kB [ 238.091722] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.093668] (M) [ 238.097665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.099971] 0*256kB [ 238.105414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.107376] 0*512kB [ 238.111605] __run_timers+0x7e5/0xc70 [ 238.113916] 1*1024kB [ 238.118143] ? find_held_lock+0x36/0x1c0 [ 238.120454] (H) [ 238.124261] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.126644] 0*2048kB [ 238.130698] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.132654] 0*4096kB [ 238.138010] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.140403] = 14040kB [ 238.144900] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.147297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 238.151794] ? trace_hardirqs_on+0xbd/0x310 [ 238.154222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 238.158802] ? kasan_check_read+0x11/0x20 [ 238.167622] 146 total pagecache pages [ 238.171945] ? finish_task_switch+0x1f5/0x900 [ 238.180524] 0 pages in swap cache [ 238.184667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.188453] Swap cache stats: add 0, delete 0, find 0/0 [ 238.188463] Free swap = 0kB [ 238.192957] ? compat_start_thread+0x80/0x80 [ 238.196409] Total swap = 0kB [ 238.201875] ? pvclock_read_flags+0x160/0x160 [ 238.207202] 1965979 pages RAM [ 238.210217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.214605] 0 pages HighMem/MovableOnly [ 238.214614] 342307 pages reserved [ 238.217647] ? check_preemption_disabled+0x48/0x200 [ 238.222119] 0 pages cma reserved [ 238.225227] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 238.230821] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.234721] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.234739] ? rcu_pm_notify+0xc0/0xc0 [ 238.238269] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.243194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.246539] syz-executor3 cpuset= [ 238.252073] ? check_preemption_disabled+0x48/0x200 [ 238.258541] syz3 [ 238.263816] run_timer_softirq+0x52/0xb0 [ 238.267686] mems_allowed=0 [ 238.278340] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.306261] __do_softirq+0x30b/0xad8 [ 238.310102] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.315205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.319970] ? schedule+0x108/0x460 [ 238.323613] ? trace_hardirqs_off+0xb8/0x310 [ 238.328026] ? smpboot_thread_fn+0x68b/0xa00 [ 238.332471] ? trace_hardirqs_on+0x310/0x310 [ 238.336895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.342451] ? check_preemption_disabled+0x48/0x200 [ 238.347474] ? takeover_tasklets+0xa90/0xa90 [ 238.351886] run_ksoftirqd+0x94/0x100 [ 238.355686] smpboot_thread_fn+0x68b/0xa00 [ 238.359928] ? sort_range+0x30/0x30 [ 238.363555] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.368660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.374197] ? __kthread_parkme+0xfb/0x1a0 [ 238.378449] kthread+0x35a/0x420 [ 238.381821] ? sort_range+0x30/0x30 [ 238.385457] ? kthread_bind+0x40/0x40 [ 238.389260] ret_from_fork+0x3a/0x50 [ 238.392996] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 238.393061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.400183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.400188] Call Trace: [ 238.400195] [ 238.400214] dump_stack+0x1c4/0x2b4 [ 238.406769] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.416111] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.418674] ksoftirqd/0 cpuset= [ 238.420839] warn_alloc.cold.119+0xb7/0x1bd [ 238.424443] / [ 238.434771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.439945] mems_allowed=0 [ 238.443236] ? lock_downgrade+0x900/0x900 [ 238.461138] ? trace_hardirqs_off+0xb8/0x310 [ 238.465575] ? trace_hardirqs_off+0xb8/0x310 [ 238.469993] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.474870] ? warn_alloc+0x120/0x120 [ 238.478675] ? trace_hardirqs_on+0x310/0x310 [ 238.483097] ? warn_alloc+0x120/0x120 [ 238.486907] ? print_usage_bug+0xc0/0xc0 [ 238.490970] ? warn_alloc+0x120/0x120 [ 238.494796] ? ktime_get+0x2e1/0x440 [ 238.498549] ? print_usage_bug+0xc0/0xc0 [ 238.502637] ? __lock_acquire+0x7ec/0x4ec0 [ 238.506873] ? __lock_acquire+0x7ec/0x4ec0 [ 238.511122] ? kasan_check_read+0x11/0x20 [ 238.515279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.520817] ? should_fail+0x22d/0xd01 [ 238.524715] ? rcu_bh_qs+0xc0/0xc0 [ 238.528274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.533379] ? __lock_acquire+0x7ec/0x4ec0 [ 238.537624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.542728] ? __lock_acquire+0x7ec/0x4ec0 [ 238.546964] ? should_fail+0x22d/0xd01 [ 238.550879] ? rcu_idle_enter+0x4b0/0x4b0 [ 238.555044] ? mark_held_locks+0x130/0x130 [ 238.559305] ? mark_held_locks+0x130/0x130 [ 238.563565] ? mark_held_locks+0xc7/0x130 [ 238.567719] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 238.572740] ? graph_lock+0x170/0x170 [ 238.576544] ? print_usage_bug+0xc0/0xc0 [ 238.580619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.586171] ? check_preemption_disabled+0x48/0x200 [ 238.591210] ? check_preemption_disabled+0x48/0x200 [ 238.596250] ? __lock_is_held+0xb5/0x140 [ 238.600319] __alloc_pages_nodemask+0xa80/0xde0 [ 238.604991] ? graph_lock+0x170/0x170 [ 238.608795] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.613811] ? graph_lock+0x170/0x170 [ 238.617628] ? find_held_lock+0x36/0x1c0 [ 238.621706] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.626381] ? lock_downgrade+0x900/0x900 [ 238.630568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.636112] cache_grow_begin+0x91/0x8c0 [ 238.640176] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.644597] fallback_alloc+0x203/0x2e0 [ 238.648579] ____cache_alloc_node+0x1c7/0x1e0 [ 238.653083] kmem_cache_alloc_node+0xe3/0x730 [ 238.657585] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.661833] __alloc_skb+0x119/0x770 [ 238.665566] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.670849] ? skb_scrub_packet+0x490/0x490 [ 238.675175] ? lock_downgrade+0x900/0x900 [ 238.679345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.684893] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.690374] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.695840] ? addrconf_rs_timer+0x690/0x690 [ 238.700265] ndisc_alloc_skb+0x144/0x340 [ 238.704343] ndisc_send_rs+0x331/0x6e0 [ 238.708264] addrconf_rs_timer+0x314/0x690 [ 238.712505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.716754] call_timer_fn+0x272/0x920 [ 238.720644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.724882] ? process_timeout+0x40/0x40 [ 238.728943] ? find_held_lock+0x36/0x1c0 [ 238.733017] ? __run_timers+0x7da/0xc70 [ 238.736999] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.741495] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.745995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.750245] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.754831] ? trace_hardirqs_on+0xbd/0x310 [ 238.759154] ? kasan_check_read+0x11/0x20 [ 238.763319] ? __run_timers+0x7da/0xc70 [ 238.767298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.772754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.776998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.781238] __run_timers+0x7e5/0xc70 [ 238.785054] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.790420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.795946] ? graph_lock+0x170/0x170 [ 238.799762] ? enqueue_hrtimer+0x1a5/0x560 [ 238.803997] ? lock_release+0x970/0x970 [ 238.807974] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.813175] ? find_held_lock+0x36/0x1c0 [ 238.817289] ? graph_lock+0x170/0x170 [ 238.821105] ? pvclock_read_flags+0x160/0x160 [ 238.825604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.831147] ? check_preemption_disabled+0x48/0x200 [ 238.836175] ? __lock_is_held+0xb5/0x140 [ 238.840244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.845789] ? check_preemption_disabled+0x48/0x200 [ 238.850813] run_timer_softirq+0x52/0xb0 [ 238.854877] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.859904] __do_softirq+0x30b/0xad8 [ 238.863723] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.868921] ? pvclock_read_flags+0x160/0x160 [ 238.873418] ? lapic_next_event+0x5a/0x90 [ 238.877575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.883128] ? check_preemption_disabled+0x48/0x200 [ 238.888153] ? check_preemption_disabled+0x48/0x200 [ 238.893177] ? kvm_clock_read+0x18/0x30 [ 238.897154] ? kvm_sched_clock_read+0x9/0x20 [ 238.901565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.907119] ? check_preemption_disabled+0x48/0x200 [ 238.912149] irq_exit+0x17f/0x1c0 [ 238.915605] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.920452] ? smp_reschedule_interrupt+0x109/0x650 [ 238.925486] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.931381] ? interrupt_entry+0xb5/0xf0 [ 238.935479] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.940498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.945516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.950363] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.955374] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.960397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.965941] ? check_preemption_disabled+0x48/0x200 [ 238.970957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.976503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.981362] apic_timer_interrupt+0xf/0x20 [ 238.985600] [ 238.987881] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.992817] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 239.011718] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.019464] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.026731] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 239.034000] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 239.041268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.048532] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 239.055843] skb_clone+0x1bb/0x500 [ 239.059385] ? finish_task_switch+0x1b5/0x900 [ 239.063894] ? skb_split+0x11e0/0x11e0 [ 239.067788] ? preempt_notifier_register+0x200/0x200 [ 239.072908] ? __switch_to_asm+0x34/0x70 [ 239.076968] ? __switch_to_asm+0x34/0x70 [ 239.081029] ? __switch_to_asm+0x40/0x70 [ 239.085089] ? __switch_to_asm+0x34/0x70 [ 239.089150] ? __switch_to_asm+0x40/0x70 [ 239.093210] ? __switch_to_asm+0x34/0x70 [ 239.097277] ? __switch_to_asm+0x40/0x70 [ 239.101358] ? __switch_to_asm+0x34/0x70 [ 239.105417] ? __switch_to_asm+0x34/0x70 [ 239.109496] ? __switch_to_asm+0x40/0x70 [ 239.113556] ? __switch_to_asm+0x34/0x70 [ 239.117639] bpf_clone_redirect+0xb9/0x490 [ 239.121893] ? __schedule+0x874/0x1ed0 [ 239.125794] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 239.130815] ? __sched_text_start+0x8/0x8 [ 239.134966] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.139737] ? find_held_lock+0x36/0x1c0 [ 239.143825] ? lock_acquire+0x1ed/0x520 [ 239.147888] ? bpf_test_run+0x32e/0x5a0 [ 239.151867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.157411] ? check_preemption_disabled+0x48/0x200 [ 239.162450] ? kasan_check_read+0x11/0x20 [ 239.166608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.171888] ? rcu_bh_qs+0xc0/0xc0 [ 239.175446] ? preempt_schedule+0x4d/0x60 [ 239.179601] ? ___preempt_schedule+0x16/0x18 [ 239.184014] ? bpf_test_run+0x1c0/0x5a0 [ 239.188008] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.192460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.197999] ? bpf_test_init.isra.9+0x70/0x100 [ 239.202587] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.207361] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.212206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.217745] ? fput+0x130/0x1a0 [ 239.221029] ? __bpf_prog_get+0x9b/0x290 [ 239.225092] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.229942] ? bpf_prog_test_run+0x130/0x1a0 [ 239.234357] ? __x64_sys_bpf+0x3d8/0x510 [ 239.238419] ? bpf_prog_get+0x20/0x20 [ 239.242282] ? do_syscall_64+0x1b9/0x820 [ 239.246341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.251755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.256700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.261547] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.266565] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.271607] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.276632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.281498] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.286877] warn_alloc_show_mem: 1 callbacks suppressed [ 239.286889] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 239.286891] Mem-Info: [ 239.286922] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 239.286922] active_file:13 inactive_file:14 isolated_file:0 [ 239.286922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.286922] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 239.286922] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 239.286922] free:13777 free_pcp:213 free_cma:0 [ 239.292267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.299039] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.301452] Call Trace: [ 239.334322] Node 0 [ 239.343681] dump_stack+0x1c4/0x2b4 [ 239.371180] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 239.373747] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.375959] lowmem_reserve[]: [ 239.379610] warn_alloc.cold.119+0xb7/0x1bd [ 239.405079] 0 2819 [ 239.410289] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.413395] 6323 [ 239.417713] ? lock_downgrade+0x900/0x900 [ 239.419931] 6323 [ 239.424781] ? trace_hardirqs_off+0xb8/0x310 [ 239.431002] ? trace_hardirqs_off+0xb8/0x310 [ 239.433057] Node 0 [ 239.437486] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.441895] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 239.444129] ? warn_alloc+0x120/0x120 [ 239.448929] lowmem_reserve[]: [ 239.475910] ? warn_alloc+0x120/0x120 [ 239.479691] 0 [ 239.482799] ? print_usage_bug+0xc0/0xc0 [ 239.486579] 0 [ 239.488387] ? warn_alloc+0x120/0x120 [ 239.492438] 3503 [ 239.494240] ? print_usage_bug+0xc0/0xc0 [ 239.498012] 3503 [ 239.500095] ? __lock_acquire+0x7ec/0x4ec0 [ 239.504134] Node 0 [ 239.506194] ? __lock_acquire+0x7ec/0x4ec0 [ 239.510473] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 239.512690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.516901] lowmem_reserve[]: [ 239.545182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.550697] 0 [ 239.553805] ? should_fail+0x22d/0xd01 [ 239.559324] 0 [ 239.561138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.565000] 0 [ 239.566800] ? __lock_acquire+0x7ec/0x4ec0 [ 239.571895] 0 [ 239.573698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.579745] ? __lock_acquire+0x7ec/0x4ec0 [ 239.584837] Node 0 [ 239.589062] ? should_fail+0x22d/0xd01 [ 239.589072] DMA: [ 239.591312] ? mark_held_locks+0x130/0x130 [ 239.595174] 1*4kB [ 239.597244] ? mark_held_locks+0x130/0x130 [ 239.601463] (U) [ 239.603614] ? graph_lock+0x170/0x170 [ 239.607828] 0*8kB [ 239.609805] ? print_usage_bug+0xc0/0xc0 [ 239.613586] 0*16kB [ 239.615750] ? graph_lock+0x170/0x170 [ 239.619816] 1*32kB [ 239.622048] ? print_usage_bug+0xc0/0xc0 [ 239.625824] (U) [ 239.628058] ? wq_watchdog_touch+0x9c/0xfe [ 239.632141] 2*64kB [ 239.634121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.638334] (U) [ 239.640581] ? check_preemption_disabled+0x48/0x200 [ 239.646096] 1*128kB [ 239.648080] ? check_preemption_disabled+0x48/0x200 [ 239.653073] (U) [ 239.655401] ? __lock_is_held+0xb5/0x140 [ 239.660401] 1*256kB (U) [ 239.662395] __alloc_pages_nodemask+0xa80/0xde0 [ 239.666443] 0*512kB [ 239.669108] ? graph_lock+0x170/0x170 [ 239.673755] 1*1024kB [ 239.676091] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.679870] (U) [ 239.682280] ? graph_lock+0x170/0x170 [ 239.687464] 1*2048kB (M) [ 239.689463] ? find_held_lock+0x36/0x1c0 [ 239.693233] 3*4096kB (M) [ 239.696011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.700045] = 15908kB [ 239.700055] Node 0 [ 239.702810] ? lock_downgrade+0x900/0x900 [ 239.707460] DMA32: [ 239.709873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.712086] 4*4kB [ 239.716240] cache_grow_begin+0x91/0x8c0 [ 239.718458] (M) [ 239.724019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.726147] 1*8kB [ 239.730208] fallback_alloc+0x203/0x2e0 [ 239.732170] (U) [ 239.736580] ____cache_alloc_node+0x1c7/0x1e0 [ 239.738717] 3*16kB [ 239.742695] kmem_cache_alloc_node+0xe3/0x730 [ 239.744653] (UM) [ 239.749150] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.751386] 3*32kB [ 239.755888] __alloc_skb+0x119/0x770 [ 239.757937] (UM) [ 239.762194] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.764404] 5*64kB [ 239.768122] ? skb_scrub_packet+0x490/0x490 [ 239.770163] (UM) [ 239.775456] ? lock_downgrade+0x900/0x900 [ 239.777669] 3*128kB (M) [ 239.782014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.784054] 3*256kB (M) [ 239.788212] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.790862] 4*512kB (UM) [ 239.796404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.799047] 3*1024kB (UM) [ 239.804510] ? addrconf_rs_timer+0x690/0x690 [ 239.807243] 1*2048kB (M) [ 239.812708] ndisc_alloc_skb+0x144/0x340 [ 239.815522] 4*4096kB (M) [ 239.819936] ndisc_send_rs+0x331/0x6e0 [ 239.822669] = 25192kB [ 239.822678] Node 0 [ 239.826742] addrconf_rs_timer+0x314/0x690 [ 239.829480] Normal: [ 239.833378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.835767] 824*4kB [ 239.838028] call_timer_fn+0x272/0x920 [ 239.842233] (MEH) [ 239.844553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.848769] 371*8kB [ 239.851349] ? process_timeout+0x40/0x40 [ 239.855222] (ME) 164*16kB [ 239.857390] ? find_held_lock+0x36/0x1c0 [ 239.861600] (ME) [ 239.863924] ? __run_timers+0x7da/0xc70 [ 239.867952] 69*32kB (UMEH) [ 239.870824] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.874860] 28*64kB (M) [ 239.876929] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.880907] 1*128kB (M) [ 239.883849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.888315] 0*256kB 0*512kB [ 239.890992] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.895471] 1*1024kB (H) [ 239.898153] ? trace_hardirqs_on+0xbd/0x310 [ 239.902357] 0*2048kB 0*4096kB [ 239.905390] ? kasan_check_read+0x11/0x20 [ 239.909949] = 14040kB [ 239.912702] ? __run_timers+0x7da/0xc70 [ 239.917006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.920187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.924315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.926726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.930672] 146 total pagecache pages [ 239.939525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.944959] 0 pages in swap cache [ 239.953540] __run_timers+0x7e5/0xc70 [ 239.957753] Swap cache stats: add 0, delete 0, find 0/0 [ 239.957763] Free swap = 0kB [ 239.961571] ? find_held_lock+0x36/0x1c0 [ 239.965778] Total swap = 0kB [ 239.965787] 1965979 pages RAM [ 239.969260] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.973036] 0 pages HighMem/MovableOnly [ 239.978396] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.981389] 342307 pages reserved [ 239.981398] 0 pages cma reserved [ 239.985467] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.988546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.991571] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.996996] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.000916] ? trace_hardirqs_on+0xbd/0x310 [ 240.005393] syz-executor3 cpuset= [ 240.008845] ? kasan_check_read+0x11/0x20 [ 240.012192] syz3 [ 240.016685] ? finish_task_switch+0x1f5/0x900 [ 240.023158] mems_allowed=0 [ 240.027759] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.064922] ? compat_start_thread+0x80/0x80 [ 240.069380] ? pvclock_read_flags+0x160/0x160 [ 240.073878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.079422] ? check_preemption_disabled+0x48/0x200 [ 240.084470] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 240.090016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.095296] ? rcu_pm_notify+0xc0/0xc0 [ 240.099190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.104736] ? check_preemption_disabled+0x48/0x200 [ 240.109760] run_timer_softirq+0x52/0xb0 [ 240.113820] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.118842] __do_softirq+0x30b/0xad8 [ 240.122652] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.127758] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.132526] ? schedule+0x108/0x460 [ 240.136196] ? trace_hardirqs_off+0xb8/0x310 [ 240.140609] ? smpboot_thread_fn+0x68b/0xa00 [ 240.145037] ? trace_hardirqs_on+0x310/0x310 [ 240.149462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.155013] ? check_preemption_disabled+0x48/0x200 [ 240.160033] ? takeover_tasklets+0xa90/0xa90 [ 240.164453] run_ksoftirqd+0x94/0x100 [ 240.168256] smpboot_thread_fn+0x68b/0xa00 [ 240.172500] ? sort_range+0x30/0x30 [ 240.176158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.181263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.186799] ? __kthread_parkme+0xfb/0x1a0 [ 240.191063] kthread+0x35a/0x420 [ 240.194439] ? sort_range+0x30/0x30 [ 240.198066] ? kthread_bind+0x40/0x40 [ 240.201872] ret_from_fork+0x3a/0x50 [ 240.205606] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 240.205695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.212812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.212818] Call Trace: [ 240.212824] [ 240.212843] dump_stack+0x1c4/0x2b4 [ 240.212863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.219434] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.228707] warn_alloc.cold.119+0xb7/0x1bd [ 240.231271] ksoftirqd/0 cpuset= [ 240.233420] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.237045] / [ 240.242244] ? lock_downgrade+0x900/0x900 [ 240.252527] mems_allowed=0 [ 240.256847] ? trace_hardirqs_off+0xb8/0x310 [ 240.278109] ? trace_hardirqs_off+0xb8/0x310 [ 240.282540] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.287415] ? warn_alloc+0x120/0x120 [ 240.291261] ? warn_alloc+0x120/0x120 [ 240.295067] ? print_usage_bug+0xc0/0xc0 [ 240.299130] ? warn_alloc+0x120/0x120 [ 240.302933] ? print_usage_bug+0xc0/0xc0 [ 240.306996] ? __lock_acquire+0x7ec/0x4ec0 [ 240.311238] ? __lock_acquire+0x7ec/0x4ec0 [ 240.315476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.321017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.326555] ? should_fail+0x22d/0xd01 [ 240.330456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.335565] ? __lock_acquire+0x7ec/0x4ec0 [ 240.339812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.344915] ? __lock_acquire+0x7ec/0x4ec0 [ 240.349156] ? should_fail+0x22d/0xd01 [ 240.353049] ? mark_held_locks+0x130/0x130 [ 240.357288] ? mark_held_locks+0x130/0x130 [ 240.361525] ? graph_lock+0x170/0x170 [ 240.365330] ? print_usage_bug+0xc0/0xc0 [ 240.369389] ? graph_lock+0x170/0x170 [ 240.373193] ? print_usage_bug+0xc0/0xc0 [ 240.377256] ? wq_watchdog_touch+0x9c/0xfe [ 240.381494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.387035] ? check_preemption_disabled+0x48/0x200 [ 240.392054] ? check_preemption_disabled+0x48/0x200 [ 240.397088] ? __lock_is_held+0xb5/0x140 [ 240.401174] __alloc_pages_nodemask+0xa80/0xde0 [ 240.405880] ? graph_lock+0x170/0x170 [ 240.409689] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.414708] ? graph_lock+0x170/0x170 [ 240.418525] ? find_held_lock+0x36/0x1c0 [ 240.422608] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.427280] ? lock_downgrade+0x900/0x900 [ 240.431450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.437008] cache_grow_begin+0x91/0x8c0 [ 240.441073] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.445528] fallback_alloc+0x203/0x2e0 [ 240.449534] ____cache_alloc_node+0x1c7/0x1e0 [ 240.454035] kmem_cache_alloc_node+0xe3/0x730 [ 240.458532] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.462777] __alloc_skb+0x119/0x770 [ 240.466499] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.471781] ? skb_scrub_packet+0x490/0x490 [ 240.476106] ? lock_downgrade+0x900/0x900 [ 240.480284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.485824] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.491316] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.496802] ? addrconf_rs_timer+0x690/0x690 [ 240.501246] ndisc_alloc_skb+0x144/0x340 [ 240.505315] ndisc_send_rs+0x331/0x6e0 [ 240.509211] addrconf_rs_timer+0x314/0x690 [ 240.513467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.517718] call_timer_fn+0x272/0x920 [ 240.521608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.525845] ? process_timeout+0x40/0x40 [ 240.529902] ? find_held_lock+0x36/0x1c0 [ 240.533973] ? __run_timers+0x7da/0xc70 [ 240.537951] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.542457] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.546964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.551205] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.555806] ? trace_hardirqs_on+0xbd/0x310 [ 240.560127] ? kasan_check_read+0x11/0x20 [ 240.564280] ? __run_timers+0x7da/0xc70 [ 240.568291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.573746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.577993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.582231] __run_timers+0x7e5/0xc70 [ 240.586049] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.591417] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.596450] ? graph_lock+0x170/0x170 [ 240.600269] ? enqueue_hrtimer+0x1a5/0x560 [ 240.604504] ? lock_release+0x970/0x970 [ 240.608484] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.613681] ? find_held_lock+0x36/0x1c0 [ 240.617762] ? graph_lock+0x170/0x170 [ 240.621572] ? pvclock_read_flags+0x160/0x160 [ 240.626091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.631660] ? check_preemption_disabled+0x48/0x200 [ 240.636691] ? __lock_is_held+0xb5/0x140 [ 240.640756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.646291] ? check_preemption_disabled+0x48/0x200 [ 240.651318] run_timer_softirq+0x52/0xb0 [ 240.655383] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.660434] __do_softirq+0x30b/0xad8 [ 240.664263] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.669374] ? pvclock_read_flags+0x160/0x160 [ 240.673875] ? lapic_next_event+0x5a/0x90 [ 240.678034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.683584] ? check_preemption_disabled+0x48/0x200 [ 240.688610] ? check_preemption_disabled+0x48/0x200 [ 240.693646] ? kvm_clock_read+0x18/0x30 [ 240.697627] ? kvm_sched_clock_read+0x9/0x20 [ 240.702042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.707580] ? check_preemption_disabled+0x48/0x200 [ 240.712622] irq_exit+0x17f/0x1c0 [ 240.716080] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.720926] ? smp_reschedule_interrupt+0x109/0x650 [ 240.725944] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.731836] ? interrupt_entry+0xb5/0xf0 [ 240.735903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.740946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.745977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.750821] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.755834] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.760860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.766408] ? check_preemption_disabled+0x48/0x200 [ 240.771440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.777000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.781856] apic_timer_interrupt+0xf/0x20 [ 240.786088] [ 240.788331] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 240.793264] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 240.812691] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 240.820401] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 240.827682] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 240.834954] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 240.842227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 240.849496] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 240.856814] skb_clone+0x1bb/0x500 [ 240.860368] ? finish_task_switch+0x1b5/0x900 [ 240.864875] ? skb_split+0x11e0/0x11e0 [ 240.868764] ? preempt_notifier_register+0x200/0x200 [ 240.873877] ? __switch_to_asm+0x34/0x70 [ 240.877943] ? __switch_to_asm+0x34/0x70 [ 240.882013] ? __switch_to_asm+0x40/0x70 [ 240.886083] ? __switch_to_asm+0x34/0x70 [ 240.890147] ? __switch_to_asm+0x40/0x70 [ 240.894205] ? __switch_to_asm+0x34/0x70 [ 240.898267] ? __switch_to_asm+0x40/0x70 [ 240.902336] ? __switch_to_asm+0x34/0x70 [ 240.906397] ? __switch_to_asm+0x34/0x70 [ 240.910470] ? __switch_to_asm+0x40/0x70 [ 240.914528] ? __switch_to_asm+0x34/0x70 [ 240.918610] bpf_clone_redirect+0xb9/0x490 [ 240.922850] ? __schedule+0x874/0x1ed0 [ 240.926745] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 240.931820] ? __sched_text_start+0x8/0x8 [ 240.935997] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.940776] ? find_held_lock+0x36/0x1c0 [ 240.944857] ? lock_acquire+0x1ed/0x520 [ 240.948837] ? bpf_test_run+0x32e/0x5a0 [ 240.952817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.958372] ? check_preemption_disabled+0x48/0x200 [ 240.963406] ? kasan_check_read+0x11/0x20 [ 240.967572] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.972852] ? rcu_bh_qs+0xc0/0xc0 [ 240.976395] ? preempt_schedule+0x4d/0x60 [ 240.980573] ? ___preempt_schedule+0x16/0x18 [ 240.984994] ? bpf_test_run+0x1c0/0x5a0 [ 240.989005] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.993415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.998963] ? bpf_test_init.isra.9+0x70/0x100 [ 241.003550] ? bpf_prog_test_run_skb+0x634/0xb40 [ 241.008318] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.013164] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.018702] ? fput+0x130/0x1a0 [ 241.021998] ? __bpf_prog_get+0x9b/0x290 [ 241.026065] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.030922] ? bpf_prog_test_run+0x130/0x1a0 [ 241.035347] ? __x64_sys_bpf+0x3d8/0x510 [ 241.039408] ? bpf_prog_get+0x20/0x20 [ 241.043242] ? do_syscall_64+0x1b9/0x820 [ 241.047311] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.052691] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.057635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.062480] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.067511] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.072530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.077559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.082446] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.087827] warn_alloc_show_mem: 1 callbacks suppressed [ 241.087838] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 241.087841] Mem-Info: [ 241.087897] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 241.087897] active_file:13 inactive_file:14 isolated_file:0 [ 241.087897] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.087897] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 241.087897] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 241.087897] free:13777 free_pcp:213 free_cma:0 [ 241.093240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.100004] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.102421] Call Trace: [ 241.135297] Node 0 [ 241.144656] dump_stack+0x1c4/0x2b4 [ 241.172171] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 241.174742] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.176960] lowmem_reserve[]: [ 241.180599] warn_alloc.cold.119+0xb7/0x1bd [ 241.206075] 0 [ 241.211263] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.214345] 2819 [ 241.218682] ? lock_downgrade+0x900/0x900 [ 241.220472] 6323 [ 241.225327] ? trace_hardirqs_off+0xb8/0x310 [ 241.227362] 6323 [ 241.231511] ? trace_hardirqs_off+0xb8/0x310 [ 241.237961] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.240003] Node 0 [ 241.244464] ? warn_alloc+0x120/0x120 [ 241.249288] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 241.251512] ? warn_alloc+0x120/0x120 [ 241.255315] lowmem_reserve[]: [ 241.282294] ? print_usage_bug+0xc0/0xc0 [ 241.286069] 0 0 [ 241.289180] ? warn_alloc+0x120/0x120 [ 241.293211] 3503 3503 [ 241.295193] ? print_usage_bug+0xc0/0xc0 [ 241.301493] ? __lock_acquire+0x7ec/0x4ec0 [ 241.305568] Node 0 [ 241.309794] ? __lock_acquire+0x7ec/0x4ec0 [ 241.309830] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 241.312039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.316245] lowmem_reserve[]: 0 [ 241.344548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.350086] 0 [ 241.353378] ? should_fail+0x22d/0xd01 [ 241.358901] 0 [ 241.360744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.364604] 0 [ 241.366414] ? __lock_acquire+0x7ec/0x4ec0 [ 241.373302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.377529] Node 0 [ 241.382621] ? __lock_acquire+0x7ec/0x4ec0 [ 241.382632] DMA: [ 241.384888] ? should_fail+0x22d/0xd01 [ 241.389120] 1*4kB [ 241.391182] ? mark_held_locks+0x130/0x130 [ 241.395046] (U) [ 241.397198] ? mark_held_locks+0x130/0x130 [ 241.401403] 0*8kB 0*16kB [ 241.403396] ? mark_held_locks+0xc7/0x130 [ 241.407603] 1*32kB (U) [ 241.410377] ? print_usage_bug+0xc0/0xc0 [ 241.414506] 2*64kB (U) [ 241.417101] ? graph_lock+0x170/0x170 [ 241.421140] 1*128kB [ 241.423757] ? print_usage_bug+0xc0/0xc0 [ 241.427529] (U) 1*256kB [ 241.429861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.433909] (U) [ 241.436604] ? check_preemption_disabled+0x48/0x200 [ 241.442116] 0*512kB [ 241.444104] ? check_preemption_disabled+0x48/0x200 [ 241.449101] 1*1024kB [ 241.451439] ? __lock_is_held+0xb5/0x140 [ 241.456450] (U) [ 241.458859] __alloc_pages_nodemask+0xa80/0xde0 [ 241.462894] 1*2048kB [ 241.464867] ? graph_lock+0x170/0x170 [ 241.469549] (M) [ 241.471973] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.475758] 3*4096kB (M) [ 241.477755] ? graph_lock+0x170/0x170 [ 241.482745] = 15908kB [ 241.482753] Node 0 [ 241.485518] ? find_held_lock+0x36/0x1c0 [ 241.489291] DMA32: [ 241.491709] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.493924] 4*4kB [ 241.497978] ? lock_downgrade+0x900/0x900 [ 241.500190] (M) [ 241.504856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.506982] 1*8kB [ 241.511124] cache_grow_begin+0x91/0x8c0 [ 241.513078] (U) [ 241.518629] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.520761] 3*16kB [ 241.524820] fallback_alloc+0x203/0x2e0 [ 241.526776] (UM) [ 241.531184] ____cache_alloc_node+0x1c7/0x1e0 [ 241.533402] 3*32kB [ 241.537386] kmem_cache_alloc_node+0xe3/0x730 [ 241.539432] (UM) [ 241.543938] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.546160] 5*64kB [ 241.550671] __alloc_skb+0x119/0x770 [ 241.552726] (UM) [ 241.556957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.559167] 3*128kB [ 241.562874] ? skb_scrub_packet+0x490/0x490 [ 241.564922] (M) [ 241.570205] ? lock_downgrade+0x900/0x900 [ 241.572502] 3*256kB (M) [ 241.576856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.578803] 4*512kB (UM) [ 241.583396] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.586038] 3*1024kB (UM) [ 241.591590] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.594329] 1*2048kB [ 241.599793] ? addrconf_rs_timer+0x690/0x690 [ 241.602622] (M) [ 241.608096] ndisc_alloc_skb+0x144/0x340 [ 241.610482] 4*4096kB [ 241.614954] ndisc_send_rs+0x331/0x6e0 [ 241.616922] (M) [ 241.620997] addrconf_rs_timer+0x314/0x690 [ 241.623381] = 25192kB [ 241.623390] Node 0 [ 241.627279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.629238] Normal: [ 241.633479] call_timer_fn+0x272/0x920 [ 241.635865] 824*4kB [ 241.638100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.642310] (MEH) [ 241.644631] ? process_timeout+0x40/0x40 [ 241.648490] 371*8kB (ME) [ 241.650824] ? find_held_lock+0x36/0x1c0 [ 241.655033] 164*16kB (ME) [ 241.657193] ? __run_timers+0x7da/0xc70 [ 241.661227] 69*32kB [ 241.663997] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.668049] (UMEH) [ 241.670892] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.674843] 28*64kB (M) [ 241.677172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.681645] 1*128kB [ 241.683878] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.688565] (M) 0*256kB [ 241.691251] ? trace_hardirqs_on+0xbd/0x310 [ 241.695458] 0*512kB 1*1024kB [ 241.697792] ? kasan_check_read+0x11/0x20 [ 241.702357] (H) [ 241.705028] ? __run_timers+0x7da/0xc70 [ 241.709330] 0*2048kB [ 241.712462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.716586] 0*4096kB = 14040kB [ 241.718582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.722542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.724947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.730379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 241.733575] __run_timers+0x7e5/0xc70 [ 241.737786] 146 total pagecache pages [ 241.746636] ? find_held_lock+0x36/0x1c0 [ 241.750860] 0 pages in swap cache [ 241.759443] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.763225] Swap cache stats: add 0, delete 0, find 0/0 [ 241.767046] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.771088] Free swap = 0kB [ 241.774537] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.779879] Total swap = 0kB [ 241.785241] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.789717] 1965979 pages RAM [ 241.792745] ? trace_hardirqs_on+0xbd/0x310 [ 241.797224] 0 pages HighMem/MovableOnly [ 241.800230] ? kasan_check_read+0x11/0x20 [ 241.800247] ? finish_task_switch+0x1f5/0x900 [ 241.804807] 342307 pages reserved [ 241.807921] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.812204] 0 pages cma reserved [ 241.812282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.816185] ? compat_start_thread+0x80/0x80 [ 241.820403] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.824819] ? pvclock_read_flags+0x160/0x160 [ 241.828243] syz-executor3 cpuset= [ 241.833705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.837051] syz3 [ 241.843557] ? check_preemption_disabled+0x48/0x200 [ 241.847943] mems_allowed=0 [ 241.858705] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 241.887564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.892844] ? rcu_pm_notify+0xc0/0xc0 [ 241.896742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.902284] ? check_preemption_disabled+0x48/0x200 [ 241.907312] run_timer_softirq+0x52/0xb0 [ 241.911390] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.916412] __do_softirq+0x30b/0xad8 [ 241.920232] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.925340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.930105] ? schedule+0x108/0x460 [ 241.933751] ? trace_hardirqs_off+0xb8/0x310 [ 241.938162] ? smpboot_thread_fn+0x68b/0xa00 [ 241.942574] ? trace_hardirqs_on+0x310/0x310 [ 241.946985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.952525] ? check_preemption_disabled+0x48/0x200 [ 241.957547] ? takeover_tasklets+0xa90/0xa90 [ 241.961962] run_ksoftirqd+0x94/0x100 [ 241.965763] smpboot_thread_fn+0x68b/0xa00 [ 241.970015] ? sort_range+0x30/0x30 [ 241.973645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.978759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.984297] ? __kthread_parkme+0xfb/0x1a0 [ 241.988538] kthread+0x35a/0x420 [ 241.991906] ? sort_range+0x30/0x30 [ 241.995531] ? kthread_bind+0x40/0x40 [ 241.999336] ret_from_fork+0x3a/0x50 [ 242.003071] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 242.003145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.010265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.010271] Call Trace: [ 242.010278] [ 242.010297] dump_stack+0x1c4/0x2b4 [ 242.010316] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.016851] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.026166] warn_alloc.cold.119+0xb7/0x1bd [ 242.028738] ksoftirqd/0 cpuset= [ 242.030898] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.034510] / [ 242.039701] ? lock_downgrade+0x900/0x900 [ 242.049996] mems_allowed=0 [ 242.054313] ? trace_hardirqs_off+0xb8/0x310 [ 242.075599] ? trace_hardirqs_off+0xb8/0x310 [ 242.080029] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.084912] ? warn_alloc+0x120/0x120 [ 242.088720] ? trace_hardirqs_on+0x310/0x310 [ 242.093132] ? warn_alloc+0x120/0x120 [ 242.096935] ? print_usage_bug+0xc0/0xc0 [ 242.101000] ? warn_alloc+0x120/0x120 [ 242.104801] ? ktime_get+0x2e1/0x440 [ 242.108515] ? print_usage_bug+0xc0/0xc0 [ 242.112584] ? __lock_acquire+0x7ec/0x4ec0 [ 242.116822] ? __lock_acquire+0x7ec/0x4ec0 [ 242.121055] ? kasan_check_read+0x11/0x20 [ 242.125225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.130781] ? should_fail+0x22d/0xd01 [ 242.134695] ? rcu_bh_qs+0xc0/0xc0 [ 242.138242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.143348] ? __lock_acquire+0x7ec/0x4ec0 [ 242.147587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.152686] ? __lock_acquire+0x7ec/0x4ec0 [ 242.156954] ? should_fail+0x22d/0xd01 [ 242.160848] ? rcu_idle_enter+0x4b0/0x4b0 [ 242.165001] ? mark_held_locks+0x130/0x130 [ 242.169258] ? mark_held_locks+0x130/0x130 [ 242.173509] ? mark_held_locks+0xc7/0x130 [ 242.177687] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 242.182707] ? graph_lock+0x170/0x170 [ 242.186519] ? print_usage_bug+0xc0/0xc0 [ 242.190582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.196121] ? check_preemption_disabled+0x48/0x200 [ 242.201137] ? check_preemption_disabled+0x48/0x200 [ 242.206162] ? __lock_is_held+0xb5/0x140 [ 242.210251] __alloc_pages_nodemask+0xa80/0xde0 [ 242.214921] ? graph_lock+0x170/0x170 [ 242.218730] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.223744] ? graph_lock+0x170/0x170 [ 242.227558] ? find_held_lock+0x36/0x1c0 [ 242.231630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.236302] ? lock_downgrade+0x900/0x900 [ 242.240464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.246041] cache_grow_begin+0x91/0x8c0 [ 242.250104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.254542] fallback_alloc+0x203/0x2e0 [ 242.258523] ____cache_alloc_node+0x1c7/0x1e0 [ 242.263025] kmem_cache_alloc_node+0xe3/0x730 [ 242.267522] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.271779] __alloc_skb+0x119/0x770 [ 242.275497] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.280779] ? skb_scrub_packet+0x490/0x490 [ 242.285105] ? lock_downgrade+0x900/0x900 [ 242.289263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.294813] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.300292] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.305764] ? addrconf_rs_timer+0x690/0x690 [ 242.310187] ndisc_alloc_skb+0x144/0x340 [ 242.314259] ndisc_send_rs+0x331/0x6e0 [ 242.318170] addrconf_rs_timer+0x314/0x690 [ 242.322433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.326690] call_timer_fn+0x272/0x920 [ 242.330578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.334833] ? process_timeout+0x40/0x40 [ 242.338936] ? find_held_lock+0x36/0x1c0 [ 242.343006] ? __run_timers+0x7da/0xc70 [ 242.346983] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.351495] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.355997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.360262] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.364846] ? trace_hardirqs_on+0xbd/0x310 [ 242.369179] ? kasan_check_read+0x11/0x20 [ 242.373329] ? __run_timers+0x7da/0xc70 [ 242.377316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.382784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.387038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.391278] __run_timers+0x7e5/0xc70 [ 242.395095] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.400464] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.405482] ? graph_lock+0x170/0x170 [ 242.409291] ? enqueue_hrtimer+0x1a5/0x560 [ 242.413549] ? lock_release+0x970/0x970 [ 242.417530] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.422728] ? find_held_lock+0x36/0x1c0 [ 242.426813] ? graph_lock+0x170/0x170 [ 242.430620] ? pvclock_read_flags+0x160/0x160 [ 242.435122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.440668] ? check_preemption_disabled+0x48/0x200 [ 242.445723] ? __lock_is_held+0xb5/0x140 [ 242.449784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.455323] ? check_preemption_disabled+0x48/0x200 [ 242.460346] run_timer_softirq+0x52/0xb0 [ 242.464405] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.469444] __do_softirq+0x30b/0xad8 [ 242.473267] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.478386] ? pvclock_read_flags+0x160/0x160 [ 242.482944] ? lapic_next_event+0x5a/0x90 [ 242.487106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.492649] ? check_preemption_disabled+0x48/0x200 [ 242.497667] ? check_preemption_disabled+0x48/0x200 [ 242.502713] ? kvm_clock_read+0x18/0x30 [ 242.506693] ? kvm_sched_clock_read+0x9/0x20 [ 242.511108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.516649] ? check_preemption_disabled+0x48/0x200 [ 242.521679] irq_exit+0x17f/0x1c0 [ 242.525134] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.529985] ? smp_reschedule_interrupt+0x109/0x650 [ 242.535000] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.540886] ? interrupt_entry+0xb5/0xf0 [ 242.544949] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.549966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.554987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.559832] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.564847] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.569863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.575401] ? check_preemption_disabled+0x48/0x200 [ 242.580457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.586006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.590861] apic_timer_interrupt+0xf/0x20 [ 242.595086] [ 242.597328] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.602256] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 242.621179] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 242.628898] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.636178] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 242.643456] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 242.650724] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.657992] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 242.665293] skb_clone+0x1bb/0x500 [ 242.668833] ? finish_task_switch+0x1b5/0x900 [ 242.673330] ? skb_split+0x11e0/0x11e0 [ 242.677223] ? preempt_notifier_register+0x200/0x200 [ 242.682351] ? __switch_to_asm+0x34/0x70 [ 242.686507] ? __switch_to_asm+0x34/0x70 [ 242.690569] ? __switch_to_asm+0x40/0x70 [ 242.694631] ? __switch_to_asm+0x34/0x70 [ 242.698696] ? __switch_to_asm+0x40/0x70 [ 242.702769] ? __switch_to_asm+0x34/0x70 [ 242.706828] ? __switch_to_asm+0x40/0x70 [ 242.710888] ? __switch_to_asm+0x34/0x70 [ 242.714950] ? __switch_to_asm+0x34/0x70 [ 242.719013] ? __switch_to_asm+0x40/0x70 [ 242.723072] ? __switch_to_asm+0x34/0x70 [ 242.727141] bpf_clone_redirect+0xb9/0x490 [ 242.731375] ? __schedule+0x874/0x1ed0 [ 242.735275] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 242.740296] ? __sched_text_start+0x8/0x8 [ 242.744466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.749254] ? find_held_lock+0x36/0x1c0 [ 242.753333] ? lock_acquire+0x1ed/0x520 [ 242.757310] ? bpf_test_run+0x32e/0x5a0 [ 242.761285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.766854] ? check_preemption_disabled+0x48/0x200 [ 242.771899] ? kasan_check_read+0x11/0x20 [ 242.776066] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.781345] ? rcu_bh_qs+0xc0/0xc0 [ 242.784893] ? preempt_schedule+0x4d/0x60 [ 242.789042] ? ___preempt_schedule+0x16/0x18 [ 242.793467] ? bpf_test_run+0x1c0/0x5a0 [ 242.797944] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.802374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.807910] ? bpf_test_init.isra.9+0x70/0x100 [ 242.812510] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.817271] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.822113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.827650] ? fput+0x130/0x1a0 [ 242.830933] ? __bpf_prog_get+0x9b/0x290 [ 242.835002] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.839846] ? bpf_prog_test_run+0x130/0x1a0 [ 242.844255] ? __x64_sys_bpf+0x3d8/0x510 [ 242.848332] ? bpf_prog_get+0x20/0x20 [ 242.852167] ? do_syscall_64+0x1b9/0x820 [ 242.856233] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.861604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.866534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.871400] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.876449] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.881472] ? prepare_exit_to_usermode+0x291/0x3b0 [ 242.886494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.891343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.896729] warn_alloc_show_mem: 1 callbacks suppressed [ 242.896741] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 242.896743] Mem-Info: [ 242.896787] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 242.896787] active_file:13 inactive_file:14 isolated_file:0 [ 242.896787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.896787] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 242.896787] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 242.896787] free:13777 free_pcp:213 free_cma:0 [ 242.902132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.908889] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.911292] Call Trace: [ 242.944173] Node 0 [ 242.953528] dump_stack+0x1c4/0x2b4 [ 242.981022] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.983587] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.985802] lowmem_reserve[]: [ 242.989476] warn_alloc.cold.119+0xb7/0x1bd [ 243.014958] 0 [ 243.020149] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.023234] 2819 [ 243.027570] ? lock_downgrade+0x900/0x900 [ 243.029338] 6323 6323 [ 243.034195] ? trace_hardirqs_off+0xb8/0x310 [ 243.040392] ? trace_hardirqs_off+0xb8/0x310 [ 243.042867] Node 0 [ 243.047278] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.051686] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.053921] ? warn_alloc+0x120/0x120 [ 243.058711] lowmem_reserve[]: 0 [ 243.085756] ? warn_alloc+0x120/0x120 [ 243.089551] 0 [ 243.092827] ? print_usage_bug+0xc0/0xc0 [ 243.096604] 3503 [ 243.098401] ? warn_alloc+0x120/0x120 [ 243.102442] 3503 [ 243.104523] ? print_usage_bug+0xc0/0xc0 [ 243.108302] Node 0 [ 243.110376] ? __lock_acquire+0x7ec/0x4ec0 [ 243.114468] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 243.116689] ? __lock_acquire+0x7ec/0x4ec0 [ 243.120906] lowmem_reserve[]: 0 [ 243.149205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.153412] 0 0 [ 243.156790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.162292] 0 [ 243.164276] ? should_fail+0x22d/0xd01 [ 243.169788] Node 0 [ 243.171601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.175470] DMA: [ 243.177704] ? __lock_acquire+0x7ec/0x4ec0 [ 243.182787] 1*4kB [ 243.184850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.189061] (U) [ 243.191212] ? __lock_acquire+0x7ec/0x4ec0 [ 243.196313] 0*8kB [ 243.198282] ? should_fail+0x22d/0xd01 [ 243.202487] 0*16kB 1*32kB [ 243.204648] ? mark_held_locks+0x130/0x130 [ 243.208505] (U) [ 243.211344] ? mark_held_locks+0x130/0x130 [ 243.215551] 2*64kB (U) [ 243.217530] ? graph_lock+0x170/0x170 [ 243.221747] 1*128kB [ 243.224323] ? print_usage_bug+0xc0/0xc0 [ 243.228116] (U) [ 243.230451] ? graph_lock+0x170/0x170 [ 243.234521] 1*256kB [ 243.236504] ? print_usage_bug+0xc0/0xc0 [ 243.240288] (U) [ 243.242615] ? wq_watchdog_touch+0x9c/0xfe [ 243.246656] 0*512kB [ 243.248643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.252849] 1*1024kB (U) [ 243.255179] ? check_preemption_disabled+0x48/0x200 [ 243.260704] 1*2048kB (M) [ 243.263491] ? check_preemption_disabled+0x48/0x200 [ 243.268491] 3*4096kB [ 243.271253] ? __lock_is_held+0xb5/0x140 [ 243.276247] (M) [ 243.278662] __alloc_pages_nodemask+0xa80/0xde0 [ 243.282696] = 15908kB [ 243.284669] ? graph_lock+0x170/0x170 [ 243.289315] Node 0 [ 243.291732] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.295502] DMA32: 4*4kB [ 243.297751] ? graph_lock+0x170/0x170 [ 243.302747] (M) [ 243.305513] ? find_held_lock+0x36/0x1c0 [ 243.309285] 1*8kB [ 243.311264] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.315292] (U) 3*16kB [ 243.317472] ? lock_downgrade+0x900/0x900 [ 243.322120] (UM) [ 243.324707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.328830] 3*32kB [ 243.330893] cache_grow_begin+0x91/0x8c0 [ 243.336422] (UM) [ 243.338667] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.342723] 5*64kB (UM) [ 243.344800] fallback_alloc+0x203/0x2e0 [ 243.349181] 3*128kB [ 243.351857] ____cache_alloc_node+0x1c7/0x1e0 [ 243.355825] (M) [ 243.358148] kmem_cache_alloc_node+0xe3/0x730 [ 243.362619] 3*256kB [ 243.364593] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.369060] (M) [ 243.371382] __alloc_skb+0x119/0x770 [ 243.375587] 4*512kB (UM) [ 243.377572] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.381254] 3*1024kB (UM) [ 243.384022] ? skb_scrub_packet+0x490/0x490 [ 243.389280] 1*2048kB [ 243.392134] ? lock_downgrade+0x900/0x900 [ 243.396438] (M) [ 243.398858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.402988] 4*4096kB [ 243.404961] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.410483] (M) [ 243.412892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.418324] = 25192kB [ 243.420297] ? addrconf_rs_timer+0x690/0x690 [ 243.425729] Node 0 [ 243.428156] ndisc_alloc_skb+0x144/0x340 [ 243.432533] Normal: [ 243.434768] ndisc_send_rs+0x331/0x6e0 [ 243.438805] 824*4kB [ 243.441130] addrconf_rs_timer+0x314/0x690 [ 243.444994] (MEH) [ 243.447320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.451532] 371*8kB (ME) [ 243.453695] call_timer_fn+0x272/0x920 [ 243.457902] 164*16kB [ 243.460660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.464523] (ME) [ 243.466931] ? process_timeout+0x40/0x40 [ 243.471142] 69*32kB [ 243.473202] ? find_held_lock+0x36/0x1c0 [ 243.477242] (UMEH) [ 243.479579] ? __run_timers+0x7da/0xc70 [ 243.483624] 28*64kB [ 243.485855] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.489809] (M) [ 243.492133] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.496611] 1*128kB [ 243.498580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.503048] (M) [ 243.505373] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.509586] 0*256kB [ 243.511568] ? trace_hardirqs_on+0xbd/0x310 [ 243.516124] 0*512kB [ 243.518448] ? kasan_check_read+0x11/0x20 [ 243.522745] 1*1024kB (H) [ 243.525078] ? __run_timers+0x7da/0xc70 [ 243.529215] 0*2048kB [ 243.531986] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.535969] 0*4096kB [ 243.538398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.543829] = 14040kB [ 243.546240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.550489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.552900] __run_timers+0x7e5/0xc70 [ 243.557130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.565956] ? find_held_lock+0x36/0x1c0 [ 243.569750] 146 total pagecache pages [ 243.578327] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.582363] 0 pages in swap cache [ 243.586167] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.591517] Swap cache stats: add 0, delete 0, find 0/0 [ 243.594963] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.599446] Free swap = 0kB [ 243.604801] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.609273] Total swap = 0kB [ 243.612296] ? trace_hardirqs_on+0xbd/0x310 [ 243.616872] 1965979 pages RAM [ 243.619887] ? kasan_check_read+0x11/0x20 [ 243.624199] 0 pages HighMem/MovableOnly [ 243.624208] 342307 pages reserved [ 243.627315] ? finish_task_switch+0x1f5/0x900 [ 243.631446] 0 pages cma reserved [ 243.635414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.638919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.643337] ? compat_start_thread+0x80/0x80 [ 243.646766] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.652175] ? pvclock_read_flags+0x160/0x160 [ 243.658629] syz-executor3 cpuset= [ 243.663032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.673499] syz3 [ 243.677995] ? check_preemption_disabled+0x48/0x200 [ 243.681445] mems_allowed=0 [ 243.687202] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 243.702611] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.707905] ? rcu_pm_notify+0xc0/0xc0 [ 243.711796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.717336] ? check_preemption_disabled+0x48/0x200 [ 243.722366] run_timer_softirq+0x52/0xb0 [ 243.726434] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.731465] __do_softirq+0x30b/0xad8 [ 243.735290] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.740394] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.745163] ? schedule+0x108/0x460 [ 243.748796] ? trace_hardirqs_off+0xb8/0x310 [ 243.753218] ? smpboot_thread_fn+0x68b/0xa00 [ 243.757624] ? trace_hardirqs_on+0x310/0x310 [ 243.762030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.767567] ? check_preemption_disabled+0x48/0x200 [ 243.772588] ? takeover_tasklets+0xa90/0xa90 [ 243.777001] run_ksoftirqd+0x94/0x100 [ 243.780816] smpboot_thread_fn+0x68b/0xa00 [ 243.785054] ? sort_range+0x30/0x30 [ 243.788704] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.793812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.799349] ? __kthread_parkme+0xfb/0x1a0 [ 243.803591] kthread+0x35a/0x420 [ 243.806956] ? sort_range+0x30/0x30 [ 243.810581] ? kthread_bind+0x40/0x40 [ 243.814388] ret_from_fork+0x3a/0x50 [ 243.818154] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 243.818247] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.825343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.825352] Call Trace: [ 243.831919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.841181] [ 243.843758] ksoftirqd/0 cpuset= [ 243.854107] dump_stack+0x1c4/0x2b4 [ 243.856233] / [ 243.859510] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.863116] mems_allowed=0 [ 243.864846] warn_alloc.cold.119+0xb7/0x1bd [ 243.877245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.882093] ? lock_downgrade+0x900/0x900 [ 243.886258] ? trace_hardirqs_off+0xb8/0x310 [ 243.890675] ? trace_hardirqs_off+0xb8/0x310 [ 243.895093] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.899982] ? warn_alloc+0x120/0x120 [ 243.903790] ? warn_alloc+0x120/0x120 [ 243.907592] ? print_usage_bug+0xc0/0xc0 [ 243.911655] ? warn_alloc+0x120/0x120 [ 243.915462] ? print_usage_bug+0xc0/0xc0 [ 243.919529] ? __lock_acquire+0x7ec/0x4ec0 [ 243.923766] ? __lock_acquire+0x7ec/0x4ec0 [ 243.928008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.933550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.939099] ? should_fail+0x22d/0xd01 [ 243.942991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.948094] ? __lock_acquire+0x7ec/0x4ec0 [ 243.952336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.957443] ? __lock_acquire+0x7ec/0x4ec0 [ 243.961695] ? should_fail+0x22d/0xd01 [ 243.965592] ? mark_held_locks+0x130/0x130 [ 243.969831] ? mark_held_locks+0x130/0x130 [ 243.974070] ? graph_lock+0x170/0x170 [ 243.977875] ? print_usage_bug+0xc0/0xc0 [ 243.981932] ? graph_lock+0x170/0x170 [ 243.985735] ? print_usage_bug+0xc0/0xc0 [ 243.989813] ? wq_watchdog_touch+0x9c/0xfe [ 243.994053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.999596] ? check_preemption_disabled+0x48/0x200 [ 244.004613] ? check_preemption_disabled+0x48/0x200 [ 244.009647] ? __lock_is_held+0xb5/0x140 [ 244.013714] __alloc_pages_nodemask+0xa80/0xde0 [ 244.018381] ? graph_lock+0x170/0x170 [ 244.022185] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.027200] ? graph_lock+0x170/0x170 [ 244.031019] ? find_held_lock+0x36/0x1c0 [ 244.035091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.039763] ? lock_downgrade+0x900/0x900 [ 244.043922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.049472] cache_grow_begin+0x91/0x8c0 [ 244.053536] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.057953] fallback_alloc+0x203/0x2e0 [ 244.061939] ____cache_alloc_node+0x1c7/0x1e0 [ 244.066450] kmem_cache_alloc_node+0xe3/0x730 [ 244.070958] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.075215] __alloc_skb+0x119/0x770 [ 244.078948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.084245] ? skb_scrub_packet+0x490/0x490 [ 244.088599] ? lock_downgrade+0x900/0x900 [ 244.092765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.098348] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.103802] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.109265] ? addrconf_rs_timer+0x690/0x690 [ 244.113683] ndisc_alloc_skb+0x144/0x340 [ 244.117790] ndisc_send_rs+0x331/0x6e0 [ 244.121713] addrconf_rs_timer+0x314/0x690 [ 244.125956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.130212] call_timer_fn+0x272/0x920 [ 244.134107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.138356] ? process_timeout+0x40/0x40 [ 244.142416] ? find_held_lock+0x36/0x1c0 [ 244.146496] ? __run_timers+0x7da/0xc70 [ 244.150478] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.154970] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.159491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.163748] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.168330] ? trace_hardirqs_on+0xbd/0x310 [ 244.172656] ? kasan_check_read+0x11/0x20 [ 244.176807] ? __run_timers+0x7da/0xc70 [ 244.180780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.186242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.190484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.194747] __run_timers+0x7e5/0xc70 [ 244.198566] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.203969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.208989] ? graph_lock+0x170/0x170 [ 244.213074] ? enqueue_hrtimer+0x1a5/0x560 [ 244.217312] ? lock_release+0x970/0x970 [ 244.221293] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.226491] ? find_held_lock+0x36/0x1c0 [ 244.230567] ? graph_lock+0x170/0x170 [ 244.234368] ? pvclock_read_flags+0x160/0x160 [ 244.238863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.244400] ? check_preemption_disabled+0x48/0x200 [ 244.249472] ? __lock_is_held+0xb5/0x140 [ 244.253554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.259090] ? check_preemption_disabled+0x48/0x200 [ 244.264116] run_timer_softirq+0x52/0xb0 [ 244.268177] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.273192] __do_softirq+0x30b/0xad8 [ 244.277006] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.282117] ? pvclock_read_flags+0x160/0x160 [ 244.286614] ? lapic_next_event+0x5a/0x90 [ 244.290765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.296308] ? check_preemption_disabled+0x48/0x200 [ 244.301328] ? check_preemption_disabled+0x48/0x200 [ 244.306350] ? kvm_clock_read+0x18/0x30 [ 244.310338] ? kvm_sched_clock_read+0x9/0x20 [ 244.314748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.320289] ? check_preemption_disabled+0x48/0x200 [ 244.325323] irq_exit+0x17f/0x1c0 [ 244.328795] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.333637] ? smp_reschedule_interrupt+0x109/0x650 [ 244.338695] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.344591] ? interrupt_entry+0xb5/0xf0 [ 244.348670] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.353707] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.358725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.363581] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.368597] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.373613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.379152] ? check_preemption_disabled+0x48/0x200 [ 244.384170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.389716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.394582] apic_timer_interrupt+0xf/0x20 [ 244.398810] [ 244.401055] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.405985] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 244.424882] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 244.432589] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.439859] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 244.447127] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 244.454393] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.461658] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 244.468977] skb_clone+0x1bb/0x500 [ 244.472519] ? finish_task_switch+0x1b5/0x900 [ 244.477019] ? skb_split+0x11e0/0x11e0 [ 244.480921] ? preempt_notifier_register+0x200/0x200 [ 244.486022] ? __switch_to_asm+0x34/0x70 [ 244.490081] ? __switch_to_asm+0x34/0x70 [ 244.494144] ? __switch_to_asm+0x40/0x70 [ 244.498205] ? __switch_to_asm+0x34/0x70 [ 244.502279] ? __switch_to_asm+0x40/0x70 [ 244.506378] ? __switch_to_asm+0x34/0x70 [ 244.510444] ? __switch_to_asm+0x40/0x70 [ 244.514533] ? __switch_to_asm+0x34/0x70 [ 244.518607] ? __switch_to_asm+0x34/0x70 [ 244.522667] ? __switch_to_asm+0x40/0x70 [ 244.526728] ? __switch_to_asm+0x34/0x70 [ 244.530811] bpf_clone_redirect+0xb9/0x490 [ 244.535062] ? __schedule+0x874/0x1ed0 [ 244.538960] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 244.543994] ? __sched_text_start+0x8/0x8 [ 244.548144] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.552912] ? find_held_lock+0x36/0x1c0 [ 244.556986] ? lock_acquire+0x1ed/0x520 [ 244.560963] ? bpf_test_run+0x32e/0x5a0 [ 244.564956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.570498] ? check_preemption_disabled+0x48/0x200 [ 244.575546] ? kasan_check_read+0x11/0x20 [ 244.579715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.584994] ? rcu_bh_qs+0xc0/0xc0 [ 244.588537] ? preempt_schedule+0x4d/0x60 [ 244.592688] ? ___preempt_schedule+0x16/0x18 [ 244.597117] ? bpf_test_run+0x1c0/0x5a0 [ 244.601100] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.605517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.611059] ? bpf_test_init.isra.9+0x70/0x100 [ 244.615643] ? bpf_prog_test_run_skb+0x634/0xb40 [ 244.620405] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.625254] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.630788] ? fput+0x130/0x1a0 [ 244.634069] ? __bpf_prog_get+0x9b/0x290 [ 244.638131] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.642982] ? bpf_prog_test_run+0x130/0x1a0 [ 244.647396] ? __x64_sys_bpf+0x3d8/0x510 [ 244.651469] ? bpf_prog_get+0x20/0x20 [ 244.655301] ? do_syscall_64+0x1b9/0x820 [ 244.659362] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.664731] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.669661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.674507] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.679535] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.684560] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.689587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.694453] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.699834] warn_alloc_show_mem: 1 callbacks suppressed [ 244.699849] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 244.699851] Mem-Info: [ 244.699882] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 244.699882] active_file:13 inactive_file:14 isolated_file:0 [ 244.699882] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.699882] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 244.699882] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 244.699882] free:13777 free_pcp:213 free_cma:0 [ 244.705224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.705233] Call Trace: [ 244.712009] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.714445] dump_stack+0x1c4/0x2b4 [ 244.747322] Node 0 [ 244.756681] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.759268] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.786776] warn_alloc.cold.119+0xb7/0x1bd [ 244.790375] lowmem_reserve[]: [ 244.792613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.798275] 0 2819 [ 244.823825] ? lock_downgrade+0x900/0x900 [ 244.828128] 6323 [ 244.831241] ? trace_hardirqs_off+0xb8/0x310 [ 244.836051] 6323 [ 244.838316] ? trace_hardirqs_off+0xb8/0x310 [ 244.842480] Node 0 [ 244.844558] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.848966] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.851030] ? warn_alloc+0x120/0x120 [ 244.855392] lowmem_reserve[]: [ 244.857632] ? warn_alloc+0x120/0x120 [ 244.862454] 0 0 [ 244.889446] ? print_usage_bug+0xc0/0xc0 [ 244.893223] 3503 3503 [ 244.896335] ? warn_alloc+0x120/0x120 [ 244.902101] ? print_usage_bug+0xc0/0xc0 [ 244.906145] Node 0 [ 244.908668] ? __lock_acquire+0x7ec/0x4ec0 [ 244.912496] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 244.916542] ? __lock_acquire+0x7ec/0x4ec0 [ 244.918750] lowmem_reserve[]: 0 [ 244.922996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.951244] 0 0 [ 244.955486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.958740] 0 [ 244.964289] ? should_fail+0x22d/0xd01 [ 244.966261] Node 0 [ 244.971794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.973591] DMA: 1*4kB [ 244.977485] ? __lock_acquire+0x7ec/0x4ec0 [ 244.979699] (U) [ 244.984806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.987384] 0*8kB [ 244.991617] ? __lock_acquire+0x7ec/0x4ec0 [ 244.993583] 0*16kB [ 244.998716] ? should_fail+0x22d/0xd01 [ 245.000858] 1*32kB [ 245.005097] ? mark_held_locks+0x130/0x130 [ 245.007308] (U) [ 245.011189] ? mark_held_locks+0x130/0x130 [ 245.013435] 2*64kB (U) [ 245.017675] ? mark_held_locks+0xc7/0x130 [ 245.019623] 1*128kB (U) [ 245.023881] ? print_usage_bug+0xc0/0xc0 [ 245.026469] 1*256kB [ 245.030628] ? graph_lock+0x170/0x170 [ 245.033275] (U) [ 245.037345] ? print_usage_bug+0xc0/0xc0 [ 245.039641] 0*512kB 1*1024kB [ 245.043458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.045412] (U) [ 245.049482] ? check_preemption_disabled+0x48/0x200 [ 245.052563] 1*2048kB [ 245.058103] ? check_preemption_disabled+0x48/0x200 [ 245.060055] (M) [ 245.065091] ? __lock_is_held+0xb5/0x140 [ 245.067473] 3*4096kB (M) [ 245.072500] __alloc_pages_nodemask+0xa80/0xde0 [ 245.074459] = 15908kB [ 245.078535] ? graph_lock+0x170/0x170 [ 245.081298] Node 0 [ 245.085968] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.088357] DMA32: [ 245.092181] ? graph_lock+0x170/0x170 [ 245.094398] 4*4kB [ 245.099415] ? find_held_lock+0x36/0x1c0 [ 245.101641] (M) [ 245.105456] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.107579] 1*8kB [ 245.111633] ? lock_downgrade+0x900/0x900 [ 245.113585] (U) 3*16kB [ 245.118270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.120408] (UM) [ 245.124577] cache_grow_begin+0x91/0x8c0 [ 245.127138] 3*32kB [ 245.132688] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.134730] (UM) [ 245.138789] fallback_alloc+0x203/0x2e0 [ 245.141005] 5*64kB [ 245.145435] ____cache_alloc_node+0x1c7/0x1e0 [ 245.147475] (UM) [ 245.151457] kmem_cache_alloc_node+0xe3/0x730 [ 245.153673] 3*128kB [ 245.158162] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.160203] (M) [ 245.164703] __alloc_skb+0x119/0x770 [ 245.167008] 3*256kB [ 245.171243] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.173197] (M) [ 245.176906] ? skb_scrub_packet+0x490/0x490 [ 245.179209] 4*512kB [ 245.184483] ? lock_downgrade+0x900/0x900 [ 245.186447] (UM) [ 245.190781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.193085] 3*1024kB [ 245.197230] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.199280] (UM) [ 245.204813] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.207198] 1*2048kB (M) [ 245.212656] ? addrconf_rs_timer+0x690/0x690 [ 245.214698] 4*4096kB [ 245.220155] ndisc_alloc_skb+0x144/0x340 [ 245.222897] (M) [ 245.227306] ndisc_send_rs+0x331/0x6e0 [ 245.229696] = 25192kB [ 245.233761] addrconf_rs_timer+0x314/0x690 [ 245.235719] Node 0 [ 245.239634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.242021] Normal: [ 245.246257] call_timer_fn+0x272/0x920 [ 245.248463] 824*4kB [ 245.252694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.254994] (MEH) [ 245.258881] ? process_timeout+0x40/0x40 [ 245.261184] 371*8kB [ 245.265415] ? find_held_lock+0x36/0x1c0 [ 245.267552] (ME) [ 245.271653] ? __run_timers+0x7da/0xc70 [ 245.273950] 164*16kB (ME) [ 245.278022] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.280059] 69*32kB (UMEH) [ 245.284041] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.286864] 28*64kB (M) [ 245.291376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.294284] 1*128kB [ 245.298774] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.301417] (M) 0*256kB [ 245.305670] ? trace_hardirqs_on+0xbd/0x310 [ 245.307977] 0*512kB 1*1024kB [ 245.312571] ? kasan_check_read+0x11/0x20 [ 245.315225] (H) [ 245.319546] ? __run_timers+0x7da/0xc70 [ 245.322628] 0*2048kB 0*4096kB [ 245.326783] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.328743] = 14040kB [ 245.328758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.332733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.335908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.341348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.343739] 146 total pagecache pages [ 245.352569] __run_timers+0x7e5/0xc70 [ 245.356788] 0 pages in swap cache [ 245.365356] ? find_held_lock+0x36/0x1c0 [ 245.369579] Swap cache stats: add 0, delete 0, find 0/0 [ 245.369587] Free swap = 0kB [ 245.373388] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.377164] Total swap = 0kB [ 245.377186] 1965979 pages RAM [ 245.380649] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.384683] 0 pages HighMem/MovableOnly [ 245.384691] 342307 pages reserved [ 245.390051] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.393050] 0 pages cma reserved [ 245.398440] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.401515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.404544] ? trace_hardirqs_on+0xbd/0x310 [ 245.409111] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.413101] ? kasan_check_read+0x11/0x20 [ 245.416538] syz-executor3 cpuset= [ 245.421035] ? finish_task_switch+0x1f5/0x900 [ 245.424385] syz3 [ 245.428972] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.435455] mems_allowed=0 [ 245.439775] ? compat_start_thread+0x80/0x80 [ 245.477038] ? pvclock_read_flags+0x160/0x160 [ 245.481565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.487135] ? check_preemption_disabled+0x48/0x200 [ 245.492169] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 245.497726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.503004] ? rcu_pm_notify+0xc0/0xc0 [ 245.506893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.512440] ? check_preemption_disabled+0x48/0x200 [ 245.517476] run_timer_softirq+0x52/0xb0 [ 245.521548] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.526578] __do_softirq+0x30b/0xad8 [ 245.530394] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.535507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.540278] ? schedule+0x108/0x460 [ 245.543918] ? trace_hardirqs_off+0xb8/0x310 [ 245.548331] ? smpboot_thread_fn+0x68b/0xa00 [ 245.552748] ? trace_hardirqs_on+0x310/0x310 [ 245.557160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.562701] ? check_preemption_disabled+0x48/0x200 [ 245.567730] ? takeover_tasklets+0xa90/0xa90 [ 245.572141] run_ksoftirqd+0x94/0x100 [ 245.575946] smpboot_thread_fn+0x68b/0xa00 [ 245.580185] ? sort_range+0x30/0x30 [ 245.583819] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.588922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.594471] ? __kthread_parkme+0xfb/0x1a0 [ 245.598714] kthread+0x35a/0x420 [ 245.602086] ? sort_range+0x30/0x30 [ 245.605723] ? kthread_bind+0x40/0x40 [ 245.609560] ret_from_fork+0x3a/0x50 [ 245.613294] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 245.613367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.620518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.620523] Call Trace: [ 245.620529] [ 245.620546] dump_stack+0x1c4/0x2b4 [ 245.620564] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.627129] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.636407] warn_alloc.cold.119+0xb7/0x1bd [ 245.638962] ksoftirqd/0 cpuset= [ 245.641111] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.644730] / [ 245.649914] ? lock_downgrade+0x900/0x900 [ 245.660223] mems_allowed=0 [ 245.681442] ? trace_hardirqs_off+0xb8/0x310 [ 245.685865] ? trace_hardirqs_off+0xb8/0x310 [ 245.690512] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.695386] ? warn_alloc+0x120/0x120 [ 245.699189] ? trace_hardirqs_on+0x310/0x310 [ 245.703604] ? warn_alloc+0x120/0x120 [ 245.707410] ? print_usage_bug+0xc0/0xc0 [ 245.711499] ? warn_alloc+0x120/0x120 [ 245.715315] ? ktime_get+0x2e1/0x440 [ 245.719027] ? print_usage_bug+0xc0/0xc0 [ 245.723091] ? __lock_acquire+0x7ec/0x4ec0 [ 245.727327] ? __lock_acquire+0x7ec/0x4ec0 [ 245.731558] ? kasan_check_read+0x11/0x20 [ 245.735717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.741254] ? should_fail+0x22d/0xd01 [ 245.745141] ? rcu_bh_qs+0xc0/0xc0 [ 245.748687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.753799] ? __lock_acquire+0x7ec/0x4ec0 [ 245.758052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.763156] ? __lock_acquire+0x7ec/0x4ec0 [ 245.767386] ? should_fail+0x22d/0xd01 [ 245.771271] ? rcu_idle_enter+0x4b0/0x4b0 [ 245.775437] ? mark_held_locks+0x130/0x130 [ 245.779680] ? mark_held_locks+0x130/0x130 [ 245.783922] ? mark_held_locks+0xc7/0x130 [ 245.788076] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 245.793109] ? graph_lock+0x170/0x170 [ 245.796920] ? print_usage_bug+0xc0/0xc0 [ 245.800992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.806561] ? check_preemption_disabled+0x48/0x200 [ 245.811646] ? check_preemption_disabled+0x48/0x200 [ 245.816682] ? __lock_is_held+0xb5/0x140 [ 245.820754] __alloc_pages_nodemask+0xa80/0xde0 [ 245.825423] ? graph_lock+0x170/0x170 [ 245.829261] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.834275] ? graph_lock+0x170/0x170 [ 245.838090] ? find_held_lock+0x36/0x1c0 [ 245.842189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.846864] ? lock_downgrade+0x900/0x900 [ 245.851023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.856576] cache_grow_begin+0x91/0x8c0 [ 245.860665] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.865086] fallback_alloc+0x203/0x2e0 [ 245.869068] ____cache_alloc_node+0x1c7/0x1e0 [ 245.873572] kmem_cache_alloc_node+0xe3/0x730 [ 245.878078] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.882326] __alloc_skb+0x119/0x770 [ 245.886042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.891323] ? skb_scrub_packet+0x490/0x490 [ 245.895654] ? lock_downgrade+0x900/0x900 [ 245.899813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.905379] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.910847] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.916317] ? addrconf_rs_timer+0x690/0x690 [ 245.920737] ndisc_alloc_skb+0x144/0x340 [ 245.924804] ndisc_send_rs+0x331/0x6e0 [ 245.928699] addrconf_rs_timer+0x314/0x690 [ 245.932952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.937203] call_timer_fn+0x272/0x920 [ 245.941099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.945339] ? process_timeout+0x40/0x40 [ 245.949401] ? find_held_lock+0x36/0x1c0 [ 245.953486] ? __run_timers+0x7da/0xc70 [ 245.957465] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.961966] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.966466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.970749] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.975332] ? trace_hardirqs_on+0xbd/0x310 [ 245.979667] ? kasan_check_read+0x11/0x20 [ 245.983819] ? __run_timers+0x7da/0xc70 [ 245.987798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.993255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.997503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.001738] __run_timers+0x7e5/0xc70 [ 246.005573] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.010944] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.015973] ? graph_lock+0x170/0x170 [ 246.019778] ? enqueue_hrtimer+0x1a5/0x560 [ 246.024017] ? lock_release+0x970/0x970 [ 246.027994] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.033684] ? find_held_lock+0x36/0x1c0 [ 246.037753] ? graph_lock+0x170/0x170 [ 246.041567] ? pvclock_read_flags+0x160/0x160 [ 246.046064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.051612] ? check_preemption_disabled+0x48/0x200 [ 246.056654] ? __lock_is_held+0xb5/0x140 [ 246.060718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.066259] ? check_preemption_disabled+0x48/0x200 [ 246.071284] run_timer_softirq+0x52/0xb0 [ 246.075345] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.080364] __do_softirq+0x30b/0xad8 [ 246.084200] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.089365] ? pvclock_read_flags+0x160/0x160 [ 246.093862] ? lapic_next_event+0x5a/0x90 [ 246.098026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.103630] ? check_preemption_disabled+0x48/0x200 [ 246.108657] ? check_preemption_disabled+0x48/0x200 [ 246.113680] ? kvm_clock_read+0x18/0x30 [ 246.117663] ? kvm_sched_clock_read+0x9/0x20 [ 246.122091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.127630] ? check_preemption_disabled+0x48/0x200 [ 246.132677] irq_exit+0x17f/0x1c0 [ 246.136133] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.140979] ? smp_reschedule_interrupt+0x109/0x650 [ 246.146015] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.151924] ? interrupt_entry+0xb5/0xf0 [ 246.155989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.161018] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.166040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.170885] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.175906] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.180925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.186472] ? check_preemption_disabled+0x48/0x200 [ 246.191490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.197037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.201891] apic_timer_interrupt+0xf/0x20 [ 246.206134] [ 246.208372] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 246.213304] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 246.232229] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.239968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.247262] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 246.254540] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 246.261809] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 246.269076] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 246.276381] skb_clone+0x1bb/0x500 [ 246.279941] ? finish_task_switch+0x1b5/0x900 [ 246.284465] ? skb_split+0x11e0/0x11e0 [ 246.288366] ? preempt_notifier_register+0x200/0x200 [ 246.293465] ? __switch_to_asm+0x34/0x70 [ 246.297525] ? __switch_to_asm+0x34/0x70 [ 246.301585] ? __switch_to_asm+0x40/0x70 [ 246.305640] ? __switch_to_asm+0x34/0x70 [ 246.309702] ? __switch_to_asm+0x40/0x70 [ 246.313764] ? __switch_to_asm+0x34/0x70 [ 246.317828] ? __switch_to_asm+0x40/0x70 [ 246.321901] ? __switch_to_asm+0x34/0x70 [ 246.325966] ? __switch_to_asm+0x34/0x70 [ 246.330027] ? __switch_to_asm+0x40/0x70 [ 246.334084] ? __switch_to_asm+0x34/0x70 [ 246.338164] bpf_clone_redirect+0xb9/0x490 [ 246.342402] ? __schedule+0x874/0x1ed0 [ 246.346320] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 246.351336] ? __sched_text_start+0x8/0x8 [ 246.355495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.360265] ? find_held_lock+0x36/0x1c0 [ 246.364346] ? lock_acquire+0x1ed/0x520 [ 246.368321] ? bpf_test_run+0x32e/0x5a0 [ 246.372298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.377840] ? check_preemption_disabled+0x48/0x200 [ 246.382859] ? kasan_check_read+0x11/0x20 [ 246.387014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.392292] ? rcu_bh_qs+0xc0/0xc0 [ 246.395833] ? preempt_schedule+0x4d/0x60 [ 246.399984] ? ___preempt_schedule+0x16/0x18 [ 246.404434] ? bpf_test_run+0x1c0/0x5a0 [ 246.408436] ? netlink_diag_dump+0x2a0/0x2a0 [ 246.412877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.418414] ? bpf_test_init.isra.9+0x70/0x100 [ 246.423022] ? bpf_prog_test_run_skb+0x634/0xb40 [ 246.427797] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.432640] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.438175] ? fput+0x130/0x1a0 [ 246.441469] ? __bpf_prog_get+0x9b/0x290 [ 246.445538] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.450378] ? bpf_prog_test_run+0x130/0x1a0 [ 246.454794] ? __x64_sys_bpf+0x3d8/0x510 [ 246.458860] ? bpf_prog_get+0x20/0x20 [ 246.462686] ? do_syscall_64+0x1b9/0x820 [ 246.466749] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 246.472118] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.477048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.481905] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.486923] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 246.491947] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.496973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.501829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.507205] warn_alloc_show_mem: 1 callbacks suppressed [ 246.507217] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 246.507225] Mem-Info: [ 246.507256] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 246.507256] active_file:13 inactive_file:14 isolated_file:0 [ 246.507256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.507256] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 246.507256] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 246.507256] free:13777 free_pcp:213 free_cma:0 [ 246.512603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.519376] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.521787] Call Trace: [ 246.554658] Node 0 [ 246.564030] dump_stack+0x1c4/0x2b4 [ 246.591548] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 246.594109] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.596315] lowmem_reserve[]: 0 [ 246.599968] warn_alloc.cold.119+0xb7/0x1bd [ 246.625448] 2819 [ 246.630636] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.633891] 6323 [ 246.638210] ? lock_downgrade+0x900/0x900 [ 246.640258] 6323 [ 246.645101] ? trace_hardirqs_off+0xb8/0x310 [ 246.651290] ? trace_hardirqs_off+0xb8/0x310 [ 246.653332] Node 0 [ 246.657745] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.662150] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.664388] ? warn_alloc+0x120/0x120 [ 246.669176] lowmem_reserve[]: 0 [ 246.696392] ? warn_alloc+0x120/0x120 [ 246.700168] 0 3503 [ 246.703462] ? print_usage_bug+0xc0/0xc0 [ 246.707240] 3503 [ 246.709486] ? warn_alloc+0x120/0x120 [ 246.713530] Node 0 [ 246.715607] ? print_usage_bug+0xc0/0xc0 [ 246.719409] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 246.721633] ? __lock_acquire+0x7ec/0x4ec0 [ 246.725665] lowmem_reserve[]: 0 [ 246.753955] ? __lock_acquire+0x7ec/0x4ec0 [ 246.758178] 0 [ 246.761478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.765680] 0 [ 246.767485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.772997] 0 [ 246.774814] ? should_fail+0x22d/0xd01 [ 246.782127] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.785991] Node 0 [ 246.791086] ? __lock_acquire+0x7ec/0x4ec0 [ 246.791089] DMA: 1*4kB [ 246.793332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.798013] (U) 0*8kB [ 246.800616] ? __lock_acquire+0x7ec/0x4ec0 [ 246.805696] 0*16kB 1*32kB [ 246.808209] ? should_fail+0x22d/0xd01 [ 246.812438] (U) [ 246.815289] ? mark_held_locks+0x130/0x130 [ 246.819148] 2*64kB [ 246.821120] ? mark_held_locks+0x130/0x130 [ 246.825331] (U) [ 246.827564] ? mark_held_locks+0xc7/0x130 [ 246.831775] 1*128kB [ 246.833749] ? print_usage_bug+0xc0/0xc0 [ 246.837879] (U) [ 246.840200] ? graph_lock+0x170/0x170 [ 246.844247] 1*256kB [ 246.846222] ? print_usage_bug+0xc0/0xc0 [ 246.850013] (U) [ 246.852337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.856375] 0*512kB [ 246.858356] ? check_preemption_disabled+0x48/0x200 [ 246.863867] 1*1024kB [ 246.866191] ? check_preemption_disabled+0x48/0x200 [ 246.871195] (U) [ 246.873621] ? __lock_is_held+0xb5/0x140 [ 246.878619] 1*2048kB [ 246.880608] __alloc_pages_nodemask+0xa80/0xde0 [ 246.884649] (M) [ 246.887056] ? graph_lock+0x170/0x170 [ 246.891709] 3*4096kB [ 246.893692] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.897470] (M) [ 246.899877] ? graph_lock+0x170/0x170 [ 246.904878] = 15908kB [ 246.906867] ? find_held_lock+0x36/0x1c0 [ 246.910640] Node 0 [ 246.913052] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.917079] DMA32: 4*4kB [ 246.919341] ? lock_downgrade+0x900/0x900 [ 246.923988] (M) [ 246.926779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.930905] 1*8kB [ 246.932887] cache_grow_begin+0x91/0x8c0 [ 246.938398] (U) [ 246.940548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.944587] 3*16kB [ 246.946560] fallback_alloc+0x203/0x2e0 [ 246.950949] (UM) [ 246.953185] ____cache_alloc_node+0x1c7/0x1e0 [ 246.957163] 3*32kB [ 246.959248] kmem_cache_alloc_node+0xe3/0x730 [ 246.963718] (UM) [ 246.965956] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.970437] 5*64kB [ 246.972504] __alloc_skb+0x119/0x770 [ 246.976732] (UM) [ 246.978972] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.982655] 3*128kB (M) [ 246.984750] ? skb_scrub_packet+0x490/0x490 [ 246.989998] 3*256kB [ 246.992666] ? lock_downgrade+0x900/0x900 [ 246.996960] (M) 4*512kB [ 246.999304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.003419] (UM) 3*1024kB [ 247.006106] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.011618] (UM) [ 247.014474] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.019901] 1*2048kB [ 247.021960] ? addrconf_rs_timer+0x690/0x690 [ 247.027401] (M) [ 247.029879] ndisc_alloc_skb+0x144/0x340 [ 247.034232] 4*4096kB (M) [ 247.036234] ndisc_send_rs+0x331/0x6e0 [ 247.040302] = 25192kB [ 247.040311] Node 0 [ 247.043066] addrconf_rs_timer+0x314/0x690 [ 247.046932] Normal: [ 247.049344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.051561] 824*4kB [ 247.055801] call_timer_fn+0x272/0x920 [ 247.058108] (MEH) [ 247.062338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.064643] 371*8kB [ 247.068525] ? process_timeout+0x40/0x40 [ 247.070667] (ME) [ 247.074909] ? find_held_lock+0x36/0x1c0 [ 247.077210] 164*16kB [ 247.081270] ? __run_timers+0x7da/0xc70 [ 247.083309] (ME) [ 247.087363] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.089750] 69*32kB [ 247.093725] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.095760] (UMEH) [ 247.100250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.102553] 28*64kB [ 247.107041] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.109255] (M) [ 247.113487] ? trace_hardirqs_on+0xbd/0x310 [ 247.115798] 1*128kB [ 247.120385] ? kasan_check_read+0x11/0x20 [ 247.122332] (M) 0*256kB [ 247.126658] ? __run_timers+0x7da/0xc70 [ 247.128954] 0*512kB 1*1024kB [ 247.133110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.135757] (H) [ 247.139739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.142821] 0*2048kB [ 247.148273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.150226] 0*4096kB [ 247.154498] __run_timers+0x7e5/0xc70 [ 247.156881] = 14040kB [ 247.156896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.161123] ? find_held_lock+0x36/0x1c0 [ 247.163523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 247.167317] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.169705] 146 total pagecache pages [ 247.178541] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.182619] 0 pages in swap cache [ 247.191183] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.196530] Swap cache stats: add 0, delete 0, find 0/0 [ 247.200320] ? lockdep_hardirqs_on+0x421/0x5c0 [ 247.204793] Free swap = 0kB [ 247.208273] ? trace_hardirqs_on+0xbd/0x310 [ 247.212744] Total swap = 0kB [ 247.218119] ? kasan_check_read+0x11/0x20 [ 247.222676] 1965979 pages RAM [ 247.225693] ? finish_task_switch+0x1f5/0x900 [ 247.229995] 0 pages HighMem/MovableOnly [ 247.233010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.237128] 342307 pages reserved [ 247.237137] 0 pages cma reserved [ 247.240249] ? compat_start_thread+0x80/0x80 [ 247.244785] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.248734] ? pvclock_read_flags+0x160/0x160 [ 247.248752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.254309] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.257654] ? check_preemption_disabled+0x48/0x200 [ 247.260997] syz-executor3 cpuset= [ 247.265464] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 247.271933] syz3 [ 247.276425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.281955] mems_allowed=0 [ 247.292464] ? rcu_pm_notify+0xc0/0xc0 [ 247.320444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.326001] ? check_preemption_disabled+0x48/0x200 [ 247.331051] run_timer_softirq+0x52/0xb0 [ 247.335136] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.340152] __do_softirq+0x30b/0xad8 [ 247.343998] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.349104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.353866] ? schedule+0x108/0x460 [ 247.357505] ? trace_hardirqs_off+0xb8/0x310 [ 247.361915] ? smpboot_thread_fn+0x68b/0xa00 [ 247.366323] ? trace_hardirqs_on+0x310/0x310 [ 247.370740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.376281] ? check_preemption_disabled+0x48/0x200 [ 247.381303] ? takeover_tasklets+0xa90/0xa90 [ 247.385712] run_ksoftirqd+0x94/0x100 [ 247.389518] smpboot_thread_fn+0x68b/0xa00 [ 247.393760] ? sort_range+0x30/0x30 [ 247.397392] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.402493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.408031] ? __kthread_parkme+0xfb/0x1a0 [ 247.412270] kthread+0x35a/0x420 [ 247.415633] ? sort_range+0x30/0x30 [ 247.419259] ? kthread_bind+0x40/0x40 [ 247.423064] ret_from_fork+0x3a/0x50 [ 247.426821] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 247.426922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.434010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.434016] Call Trace: [ 247.434023] [ 247.434042] dump_stack+0x1c4/0x2b4 [ 247.434061] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.440622] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.449902] warn_alloc.cold.119+0xb7/0x1bd [ 247.452483] ksoftirqd/0 cpuset= [ 247.454641] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.458243] / [ 247.463439] ? lock_downgrade+0x900/0x900 [ 247.473737] mems_allowed=0 [ 247.478057] ? trace_hardirqs_off+0xb8/0x310 [ 247.499290] ? trace_hardirqs_off+0xb8/0x310 [ 247.503711] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.508588] ? warn_alloc+0x120/0x120 [ 247.512409] ? warn_alloc+0x120/0x120 [ 247.516239] ? print_usage_bug+0xc0/0xc0 [ 247.520306] ? warn_alloc+0x120/0x120 [ 247.524113] ? print_usage_bug+0xc0/0xc0 [ 247.528179] ? graph_lock+0x170/0x170 [ 247.532010] ? kvm_sched_clock_read+0x9/0x20 [ 247.536422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.541986] ? should_fail+0x22d/0xd01 [ 247.545893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.551021] ? __lock_acquire+0x7ec/0x4ec0 [ 247.555259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.560355] ? __lock_acquire+0x7ec/0x4ec0 [ 247.564582] ? should_fail+0x22d/0xd01 [ 247.568488] ? mark_held_locks+0x130/0x130 [ 247.572737] ? mark_held_locks+0x130/0x130 [ 247.576975] ? select_task_rq_fair+0x754/0x3500 [ 247.581651] ? lock_downgrade+0x900/0x900 [ 247.585811] ? check_preemption_disabled+0x48/0x200 [ 247.590831] ? graph_lock+0x170/0x170 [ 247.594640] ? print_usage_bug+0xc0/0xc0 [ 247.598704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.604249] ? check_preemption_disabled+0x48/0x200 [ 247.609266] ? check_preemption_disabled+0x48/0x200 [ 247.614293] ? __lock_is_held+0xb5/0x140 [ 247.618364] __alloc_pages_nodemask+0xa80/0xde0 [ 247.623033] ? graph_lock+0x170/0x170 [ 247.626847] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.631864] ? graph_lock+0x170/0x170 [ 247.635681] ? find_held_lock+0x36/0x1c0 [ 247.639755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.644440] ? lock_downgrade+0x900/0x900 [ 247.648600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.654158] cache_grow_begin+0x91/0x8c0 [ 247.658240] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.662673] fallback_alloc+0x203/0x2e0 [ 247.666655] ____cache_alloc_node+0x1c7/0x1e0 [ 247.671169] kmem_cache_alloc_node+0xe3/0x730 [ 247.675664] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.679908] __alloc_skb+0x119/0x770 [ 247.683646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.689033] ? skb_scrub_packet+0x490/0x490 [ 247.693359] ? lock_downgrade+0x900/0x900 [ 247.697556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.703098] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.708572] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.714036] ? addrconf_rs_timer+0x690/0x690 [ 247.718491] ndisc_alloc_skb+0x144/0x340 [ 247.722580] ndisc_send_rs+0x331/0x6e0 [ 247.726476] addrconf_rs_timer+0x314/0x690 [ 247.730723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.734988] call_timer_fn+0x272/0x920 [ 247.738881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.743121] ? process_timeout+0x40/0x40 [ 247.747184] ? find_held_lock+0x36/0x1c0 [ 247.751269] ? __run_timers+0x7da/0xc70 [ 247.755254] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.759752] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.764261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.768511] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.773095] ? trace_hardirqs_on+0xbd/0x310 [ 247.777418] ? kasan_check_read+0x11/0x20 [ 247.781577] ? __run_timers+0x7da/0xc70 [ 247.785559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.791040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.795276] __run_timers+0x7e5/0xc70 [ 247.799092] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.804478] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.809511] ? graph_lock+0x170/0x170 [ 247.813317] ? enqueue_hrtimer+0x1a5/0x560 [ 247.817556] ? lock_release+0x970/0x970 [ 247.821537] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.826739] ? find_held_lock+0x36/0x1c0 [ 247.830829] ? graph_lock+0x170/0x170 [ 247.834634] ? pvclock_read_flags+0x160/0x160 [ 247.839132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.844672] ? check_preemption_disabled+0x48/0x200 [ 247.849702] ? __lock_is_held+0xb5/0x140 [ 247.853771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.859317] ? check_preemption_disabled+0x48/0x200 [ 247.864351] run_timer_softirq+0x52/0xb0 [ 247.868415] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.873479] __do_softirq+0x30b/0xad8 [ 247.877321] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.882441] ? pvclock_read_flags+0x160/0x160 [ 247.886944] ? lapic_next_event+0x5a/0x90 [ 247.891108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.896644] ? check_preemption_disabled+0x48/0x200 [ 247.901664] ? check_preemption_disabled+0x48/0x200 [ 247.906688] ? kvm_clock_read+0x18/0x30 [ 247.910663] ? kvm_sched_clock_read+0x9/0x20 [ 247.915076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.920616] ? check_preemption_disabled+0x48/0x200 [ 247.925645] irq_exit+0x17f/0x1c0 [ 247.929107] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.933958] ? smp_reschedule_interrupt+0x109/0x650 [ 247.938978] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.944863] ? interrupt_entry+0xb5/0xf0 [ 247.948929] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.953949] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.958968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.963815] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.968846] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.973862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.979403] ? check_preemption_disabled+0x48/0x200 [ 247.984444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.989990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.994840] apic_timer_interrupt+0xf/0x20 [ 247.999067] [ 248.001310] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 248.006250] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 248.025149] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.032863] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 248.040182] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 248.047460] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 248.054743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 248.062011] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 248.069348] skb_clone+0x1bb/0x500 [ 248.072901] ? finish_task_switch+0x1b5/0x900 [ 248.077398] ? skb_split+0x11e0/0x11e0 [ 248.081294] ? preempt_notifier_register+0x200/0x200 [ 248.086405] ? __switch_to_asm+0x34/0x70 [ 248.090475] ? __switch_to_asm+0x34/0x70 [ 248.094550] ? __switch_to_asm+0x40/0x70 [ 248.098611] ? __switch_to_asm+0x34/0x70 [ 248.102671] ? __switch_to_asm+0x40/0x70 [ 248.106733] ? __switch_to_asm+0x34/0x70 [ 248.110814] ? __switch_to_asm+0x40/0x70 [ 248.114889] ? __switch_to_asm+0x34/0x70 [ 248.118958] ? __switch_to_asm+0x34/0x70 [ 248.123020] ? __switch_to_asm+0x40/0x70 [ 248.127076] ? __switch_to_asm+0x34/0x70 [ 248.131144] bpf_clone_redirect+0xb9/0x490 [ 248.135390] ? __schedule+0x874/0x1ed0 [ 248.139279] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 248.144297] ? __sched_text_start+0x8/0x8 [ 248.148448] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.153225] ? find_held_lock+0x36/0x1c0 [ 248.157297] ? lock_acquire+0x1ed/0x520 [ 248.161272] ? bpf_test_run+0x32e/0x5a0 [ 248.165254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.170792] ? check_preemption_disabled+0x48/0x200 [ 248.175817] ? kasan_check_read+0x11/0x20 [ 248.179970] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.185252] ? rcu_bh_qs+0xc0/0xc0 [ 248.188803] ? preempt_schedule+0x4d/0x60 [ 248.192953] ? ___preempt_schedule+0x16/0x18 [ 248.197374] ? bpf_test_run+0x1c0/0x5a0 [ 248.201362] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.205774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.211309] ? bpf_test_init.isra.9+0x70/0x100 [ 248.215901] ? bpf_prog_test_run_skb+0x634/0xb40 [ 248.220669] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.225512] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.231056] ? fput+0x130/0x1a0 [ 248.234351] ? __bpf_prog_get+0x9b/0x290 [ 248.238425] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.243282] ? bpf_prog_test_run+0x130/0x1a0 [ 248.247693] ? __x64_sys_bpf+0x3d8/0x510 [ 248.251761] ? bpf_prog_get+0x20/0x20 [ 248.255594] ? do_syscall_64+0x1b9/0x820 [ 248.259670] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.265038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.269967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.274814] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.279836] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.284859] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.289881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.294732] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.300113] warn_alloc_show_mem: 1 callbacks suppressed [ 248.300124] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 248.300140] Mem-Info: [ 248.300199] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 248.300199] active_file:13 inactive_file:14 isolated_file:0 [ 248.300199] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.300199] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 248.300199] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 248.300199] free:13777 free_pcp:213 free_cma:0 [ 248.305545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.312304] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.314707] Call Trace: [ 248.347581] Node 0 [ 248.356952] dump_stack+0x1c4/0x2b4 [ 248.384456] 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 [ 248.387020] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.389232] lowmem_reserve[]: 0 [ 248.392876] warn_alloc.cold.119+0xb7/0x1bd [ 248.418342] 2819 6323 [ 248.423538] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.426793] 6323 [ 248.431114] ? lock_downgrade+0x900/0x900 [ 248.433594] Node 0 [ 248.438458] ? trace_hardirqs_off+0xb8/0x310 [ 248.440520] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 248.444642] ? trace_hardirqs_off+0xb8/0x310 [ 248.446852] lowmem_reserve[]: 0 [ 248.451279] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.478236] 0 [ 248.482669] ? warn_alloc+0x120/0x120 [ 248.485912] 3503 [ 248.490753] ? warn_alloc+0x120/0x120 [ 248.492537] 3503 [ 248.496339] ? print_usage_bug+0xc0/0xc0 [ 248.498385] Node 0 [ 248.502194] ? warn_alloc+0x120/0x120 [ 248.504276] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 248.508311] ? print_usage_bug+0xc0/0xc0 [ 248.510518] lowmem_reserve[]: 0 [ 248.514324] ? __lock_acquire+0x7ec/0x4ec0 [ 248.542581] 0 0 [ 248.546655] ? __lock_acquire+0x7ec/0x4ec0 [ 248.549916] 0 [ 248.554163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.560358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.562144] Node 0 [ 248.567679] ? should_fail+0x22d/0xd01 [ 248.573227] DMA: [ 248.575477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.579355] 1*4kB [ 248.581415] ? __lock_acquire+0x7ec/0x4ec0 [ 248.586501] (U) [ 248.588654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.592866] 0*8kB [ 248.594837] ? __lock_acquire+0x7ec/0x4ec0 [ 248.599929] 0*16kB [ 248.602074] ? should_fail+0x22d/0xd01 [ 248.606291] 1*32kB [ 248.608531] ? mark_held_locks+0x130/0x130 [ 248.612391] (U) [ 248.614629] ? mark_held_locks+0x130/0x130 [ 248.618844] 2*64kB [ 248.620823] ? mark_held_locks+0xc7/0x130 [ 248.625033] (U) [ 248.627275] ? print_usage_bug+0xc0/0xc0 [ 248.631400] 1*128kB [ 248.633373] ? graph_lock+0x170/0x170 [ 248.637422] (U) 1*256kB [ 248.639767] ? print_usage_bug+0xc0/0xc0 [ 248.643546] (U) [ 248.646215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.650254] 0*512kB 1*1024kB [ 248.652246] ? check_preemption_disabled+0x48/0x200 [ 248.657782] (U) [ 248.660894] ? check_preemption_disabled+0x48/0x200 [ 248.665884] 1*2048kB (M) [ 248.667879] ? __lock_is_held+0xb5/0x140 [ 248.672864] 3*4096kB (M) [ 248.675633] __alloc_pages_nodemask+0xa80/0xde0 [ 248.679671] = 15908kB [ 248.682424] ? graph_lock+0x170/0x170 [ 248.687084] Node 0 [ 248.689495] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.693269] DMA32: 4*4kB [ 248.695514] ? graph_lock+0x170/0x170 [ 248.700510] (M) [ 248.703274] ? find_held_lock+0x36/0x1c0 [ 248.707145] 1*8kB (U) [ 248.709156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.713186] 3*16kB (UM) [ 248.715688] ? lock_downgrade+0x900/0x900 [ 248.720328] 3*32kB (UM) [ 248.723022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.727149] 5*64kB [ 248.729816] cache_grow_begin+0x91/0x8c0 [ 248.735332] (UM) [ 248.737579] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.741612] 3*128kB (M) [ 248.743686] fallback_alloc+0x203/0x2e0 [ 248.748072] 3*256kB (M) [ 248.750759] ____cache_alloc_node+0x1c7/0x1e0 [ 248.754704] 4*512kB (UM) [ 248.757388] kmem_cache_alloc_node+0xe3/0x730 [ 248.761857] 3*1024kB [ 248.764613] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.769089] (UM) [ 248.771532] __alloc_skb+0x119/0x770 [ 248.775739] 1*2048kB (M) [ 248.777813] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.781504] 4*4096kB (M) [ 248.784271] ? skb_scrub_packet+0x490/0x490 [ 248.789538] = 25192kB [ 248.792294] ? lock_downgrade+0x900/0x900 [ 248.797058] Node 0 [ 248.799480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.803602] Normal: [ 248.805849] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.811364] 824*4kB [ 248.813701] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.819131] (MEH) [ 248.821492] ? addrconf_rs_timer+0x690/0x690 [ 248.826945] 371*8kB [ 248.829101] ndisc_alloc_skb+0x144/0x340 [ 248.833478] (ME) [ 248.835800] ndisc_send_rs+0x331/0x6e0 [ 248.839837] 164*16kB [ 248.841901] addrconf_rs_timer+0x314/0x690 [ 248.845787] (ME) [ 248.848195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.852417] 69*32kB (UMEH) [ 248.854507] call_timer_fn+0x272/0x920 [ 248.858705] 28*64kB (M) [ 248.861654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.865526] 1*128kB (M) [ 248.868231] ? process_timeout+0x40/0x40 [ 248.872443] 0*256kB 0*512kB [ 248.875119] ? find_held_lock+0x36/0x1c0 [ 248.879157] 1*1024kB [ 248.882180] ? __run_timers+0x7da/0xc70 [ 248.886208] (H) 0*2048kB [ 248.888635] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.892591] 0*4096kB [ 248.895343] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.899828] = 14040kB [ 248.899843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.902245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.906722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.909142] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.917960] 146 total pagecache pages [ 248.922193] ? trace_hardirqs_on+0xbd/0x310 [ 248.930749] 0 pages in swap cache [ 248.935323] ? kasan_check_read+0x11/0x20 [ 248.939108] Swap cache stats: add 0, delete 0, find 0/0 [ 248.943455] ? __run_timers+0x7da/0xc70 [ 248.946891] Free swap = 0kB [ 248.951037] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.956394] Total swap = 0kB [ 248.960376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.963374] 1965979 pages RAM [ 248.968819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.971816] 0 pages HighMem/MovableOnly [ 248.976044] __run_timers+0x7e5/0xc70 [ 248.979125] 342307 pages reserved [ 248.979134] 0 pages cma reserved [ 248.983390] ? find_held_lock+0x36/0x1c0 [ 248.987460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.991158] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.994648] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.997960] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.002004] syz-executor3 cpuset= [ 249.008494] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.013839] syz3 [ 249.024325] ? lockdep_hardirqs_on+0x421/0x5c0 [ 249.028807] mems_allowed=0 [ 249.046225] ? trace_hardirqs_on+0xbd/0x310 [ 249.050552] ? kasan_check_read+0x11/0x20 [ 249.054704] ? finish_task_switch+0x1f5/0x900 [ 249.059211] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.064670] ? compat_start_thread+0x80/0x80 [ 249.069104] ? pvclock_read_flags+0x160/0x160 [ 249.073606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.079159] ? check_preemption_disabled+0x48/0x200 [ 249.084207] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 249.089775] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.095055] ? rcu_pm_notify+0xc0/0xc0 [ 249.098959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.104510] ? check_preemption_disabled+0x48/0x200 [ 249.109538] run_timer_softirq+0x52/0xb0 [ 249.113601] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.118618] __do_softirq+0x30b/0xad8 [ 249.122463] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.127569] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.132333] ? schedule+0x108/0x460 [ 249.135974] ? trace_hardirqs_off+0xb8/0x310 [ 249.140387] ? smpboot_thread_fn+0x68b/0xa00 [ 249.144795] ? trace_hardirqs_on+0x310/0x310 [ 249.149235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.154776] ? check_preemption_disabled+0x48/0x200 [ 249.159802] ? takeover_tasklets+0xa90/0xa90 [ 249.164218] run_ksoftirqd+0x94/0x100 [ 249.168021] smpboot_thread_fn+0x68b/0xa00 [ 249.172275] ? sort_range+0x30/0x30 [ 249.175903] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.181006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.186544] ? __kthread_parkme+0xfb/0x1a0 [ 249.190788] kthread+0x35a/0x420 [ 249.194165] ? sort_range+0x30/0x30 [ 249.197804] ? kthread_bind+0x40/0x40 [ 249.201627] ret_from_fork+0x3a/0x50 [ 249.205366] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 249.205487] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.212607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.212613] Call Trace: [ 249.212619] [ 249.212638] dump_stack+0x1c4/0x2b4 [ 249.212656] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.219215] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.228495] warn_alloc.cold.119+0xb7/0x1bd [ 249.231066] ksoftirqd/0 cpuset= [ 249.233234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.236859] / [ 249.242062] ? lock_downgrade+0x900/0x900 [ 249.252356] mems_allowed=0 [ 249.256680] ? trace_hardirqs_off+0xb8/0x310 [ 249.277978] ? trace_hardirqs_off+0xb8/0x310 [ 249.282407] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.287320] ? warn_alloc+0x120/0x120 [ 249.291158] ? warn_alloc+0x120/0x120 [ 249.294965] ? print_usage_bug+0xc0/0xc0 [ 249.299029] ? warn_alloc+0x120/0x120 [ 249.302844] ? print_usage_bug+0xc0/0xc0 [ 249.306925] ? __lock_acquire+0x7ec/0x4ec0 [ 249.311190] ? __lock_acquire+0x7ec/0x4ec0 [ 249.315440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.320980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.326520] ? should_fail+0x22d/0xd01 [ 249.330419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.335537] ? __lock_acquire+0x7ec/0x4ec0 [ 249.339779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.344882] ? __lock_acquire+0x7ec/0x4ec0 [ 249.349114] ? should_fail+0x22d/0xd01 [ 249.353016] ? mark_held_locks+0x130/0x130 [ 249.357264] ? mark_held_locks+0x130/0x130 [ 249.361505] ? graph_lock+0x170/0x170 [ 249.365321] ? print_usage_bug+0xc0/0xc0 [ 249.369393] ? graph_lock+0x170/0x170 [ 249.373194] ? print_usage_bug+0xc0/0xc0 [ 249.377258] ? wq_watchdog_touch+0x9c/0xfe [ 249.381506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.387058] ? check_preemption_disabled+0x48/0x200 [ 249.392076] ? check_preemption_disabled+0x48/0x200 [ 249.397114] ? __lock_is_held+0xb5/0x140 [ 249.401184] __alloc_pages_nodemask+0xa80/0xde0 [ 249.405867] ? graph_lock+0x170/0x170 [ 249.409676] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.414689] ? graph_lock+0x170/0x170 [ 249.418504] ? find_held_lock+0x36/0x1c0 [ 249.422581] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.427258] ? lock_downgrade+0x900/0x900 [ 249.431416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.436969] cache_grow_begin+0x91/0x8c0 [ 249.441034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.445463] fallback_alloc+0x203/0x2e0 [ 249.449460] ____cache_alloc_node+0x1c7/0x1e0 [ 249.453967] kmem_cache_alloc_node+0xe3/0x730 [ 249.458469] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.462720] __alloc_skb+0x119/0x770 [ 249.466448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.471730] ? skb_scrub_packet+0x490/0x490 [ 249.476066] ? lock_downgrade+0x900/0x900 [ 249.480228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.485781] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.491265] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.496720] ? addrconf_rs_timer+0x690/0x690 [ 249.501144] ndisc_alloc_skb+0x144/0x340 [ 249.505215] ndisc_send_rs+0x331/0x6e0 [ 249.509122] addrconf_rs_timer+0x314/0x690 [ 249.513367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.517622] call_timer_fn+0x272/0x920 [ 249.521525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.525768] ? process_timeout+0x40/0x40 [ 249.529862] ? find_held_lock+0x36/0x1c0 [ 249.533936] ? __run_timers+0x7da/0xc70 [ 249.537926] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.542441] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.546948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.551187] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.556128] ? trace_hardirqs_on+0xbd/0x310 [ 249.560455] ? kasan_check_read+0x11/0x20 [ 249.564615] ? __run_timers+0x7da/0xc70 [ 249.568592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.574048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.578293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.582536] __run_timers+0x7e5/0xc70 [ 249.586360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.591729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.596751] ? graph_lock+0x170/0x170 [ 249.600560] ? enqueue_hrtimer+0x1a5/0x560 [ 249.604808] ? lock_release+0x970/0x970 [ 249.608835] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.614035] ? find_held_lock+0x36/0x1c0 [ 249.618101] ? graph_lock+0x170/0x170 [ 249.621910] ? pvclock_read_flags+0x160/0x160 [ 249.626406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.631955] ? check_preemption_disabled+0x48/0x200 [ 249.636984] ? __lock_is_held+0xb5/0x140 [ 249.641067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.646615] ? check_preemption_disabled+0x48/0x200 [ 249.651652] run_timer_softirq+0x52/0xb0 [ 249.655727] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.660749] __do_softirq+0x30b/0xad8 [ 249.664563] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.669687] ? pvclock_read_flags+0x160/0x160 [ 249.674183] ? lapic_next_event+0x5a/0x90 [ 249.678339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.683878] ? check_preemption_disabled+0x48/0x200 [ 249.689097] ? check_preemption_disabled+0x48/0x200 [ 249.694124] ? kvm_clock_read+0x18/0x30 [ 249.698121] ? kvm_sched_clock_read+0x9/0x20 [ 249.702545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.708085] ? check_preemption_disabled+0x48/0x200 [ 249.713113] irq_exit+0x17f/0x1c0 [ 249.716568] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.721448] ? smp_reschedule_interrupt+0x109/0x650 [ 249.726473] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.732381] ? interrupt_entry+0xb5/0xf0 [ 249.736456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.741472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.746505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.751348] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.756361] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.761381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.766920] ? check_preemption_disabled+0x48/0x200 [ 249.771935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.777493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.782357] apic_timer_interrupt+0xf/0x20 [ 249.786585] [ 249.788830] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.793762] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 249.812751] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 249.820461] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.827728] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 249.835162] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 249.842448] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.849718] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 249.857028] skb_clone+0x1bb/0x500 [ 249.860570] ? finish_task_switch+0x1b5/0x900 [ 249.865065] ? skb_split+0x11e0/0x11e0 [ 249.868955] ? preempt_notifier_register+0x200/0x200 [ 249.874071] ? __switch_to_asm+0x34/0x70 [ 249.878132] ? __switch_to_asm+0x34/0x70 [ 249.882188] ? __switch_to_asm+0x40/0x70 [ 249.886266] ? __switch_to_asm+0x34/0x70 [ 249.890337] ? __switch_to_asm+0x40/0x70 [ 249.894395] ? __switch_to_asm+0x34/0x70 [ 249.898480] ? __switch_to_asm+0x40/0x70 [ 249.902539] ? __switch_to_asm+0x34/0x70 [ 249.906602] ? __switch_to_asm+0x34/0x70 [ 249.910682] ? __switch_to_asm+0x40/0x70 [ 249.914754] ? __switch_to_asm+0x34/0x70 [ 249.918824] bpf_clone_redirect+0xb9/0x490 [ 249.923109] ? __schedule+0x874/0x1ed0 [ 249.927014] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 249.932039] ? __sched_text_start+0x8/0x8 [ 249.936195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.940971] ? find_held_lock+0x36/0x1c0 [ 249.945047] ? lock_acquire+0x1ed/0x520 [ 249.949034] ? bpf_test_run+0x32e/0x5a0 [ 249.953027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.958590] ? check_preemption_disabled+0x48/0x200 [ 249.963620] ? kasan_check_read+0x11/0x20 [ 249.967775] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.973056] ? rcu_bh_qs+0xc0/0xc0 [ 249.976603] ? preempt_schedule+0x4d/0x60 [ 249.980751] ? ___preempt_schedule+0x16/0x18 [ 249.985188] ? bpf_test_run+0x1c0/0x5a0 [ 249.989177] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.993594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.999160] ? bpf_test_init.isra.9+0x70/0x100 [ 250.003751] ? bpf_prog_test_run_skb+0x634/0xb40 [ 250.008515] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.013387] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.018921] ? fput+0x130/0x1a0 [ 250.022204] ? __bpf_prog_get+0x9b/0x290 [ 250.026268] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.031120] ? bpf_prog_test_run+0x130/0x1a0 [ 250.035540] ? __x64_sys_bpf+0x3d8/0x510 [ 250.039603] ? bpf_prog_get+0x20/0x20 [ 250.043426] ? do_syscall_64+0x1b9/0x820 [ 250.047499] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.052882] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.057813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.062662] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.067680] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.072705] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.077737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.082594] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.087971] warn_alloc_show_mem: 1 callbacks suppressed [ 250.087983] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 250.087985] Mem-Info: [ 250.088030] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 250.088030] active_file:13 inactive_file:14 isolated_file:0 [ 250.088030] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.088030] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 250.088030] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 250.088030] free:13777 free_pcp:213 free_cma:0 [ 250.093388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.100145] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 250.102541] Call Trace: [ 250.135418] Node 0 [ 250.144787] dump_stack+0x1c4/0x2b4 [ 250.172551] 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 [ 250.175111] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.177326] lowmem_reserve[]: [ 250.180957] warn_alloc.cold.119+0xb7/0x1bd [ 250.206437] 0 2819 [ 250.211633] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.214714] 6323 6323 [ 250.219061] ? lock_downgrade+0x900/0x900 [ 250.221279] Node 0 [ 250.226123] ? trace_hardirqs_off+0xb8/0x310 [ 250.228620] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 250.232751] ? trace_hardirqs_off+0xb8/0x310 [ 250.234965] lowmem_reserve[]: [ 250.239375] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.266324] 0 0 [ 250.270779] ? warn_alloc+0x120/0x120 [ 250.273839] 3503 [ 250.278683] ? warn_alloc+0x120/0x120 [ 250.280638] 3503 [ 250.284448] ? print_usage_bug+0xc0/0xc0 [ 250.286502] Node 0 [ 250.290297] ? warn_alloc+0x120/0x120 [ 250.292365] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 250.296399] ? print_usage_bug+0xc0/0xc0 [ 250.298622] lowmem_reserve[]: 0 [ 250.302428] ? __lock_acquire+0x7ec/0x4ec0 [ 250.330718] 0 [ 250.334796] ? __lock_acquire+0x7ec/0x4ec0 [ 250.338045] 0 0 [ 250.342284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.344067] Node 0 [ 250.348323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.350276] DMA: [ 250.355814] ? should_fail+0x22d/0xd01 [ 250.358033] 1*4kB [ 250.363562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.365602] (U) [ 250.369488] ? __lock_acquire+0x7ec/0x4ec0 [ 250.371616] 0*8kB [ 250.376714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.378672] 0*16kB [ 250.382900] ? __lock_acquire+0x7ec/0x4ec0 [ 250.385039] 1*32kB [ 250.390165] ? should_fail+0x22d/0xd01 [ 250.392380] (U) [ 250.396616] ? mark_held_locks+0x130/0x130 [ 250.398832] 2*64kB [ 250.402717] ? mark_held_locks+0x130/0x130 [ 250.404671] (U) [ 250.408902] ? mark_held_locks+0xc7/0x130 [ 250.411122] 1*128kB [ 250.415356] ? print_usage_bug+0xc0/0xc0 [ 250.417311] (U) [ 250.421462] ? graph_lock+0x170/0x170 [ 250.423767] 1*256kB [ 250.427820] ? print_usage_bug+0xc0/0xc0 [ 250.429780] (U) [ 250.433578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.435881] 0*512kB [ 250.439944] ? check_preemption_disabled+0x48/0x200 [ 250.441895] 1*1024kB (U) [ 250.447450] ? check_preemption_disabled+0x48/0x200 [ 250.449751] 1*2048kB [ 250.454767] ? __lock_is_held+0xb5/0x140 [ 250.457522] (M) [ 250.462571] __alloc_pages_nodemask+0xa80/0xde0 [ 250.464963] 3*4096kB [ 250.469023] ? graph_lock+0x170/0x170 [ 250.470982] (M) [ 250.475652] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.478039] = 15908kB [ 250.481834] ? graph_lock+0x170/0x170 [ 250.483790] Node 0 [ 250.488822] ? find_held_lock+0x36/0x1c0 [ 250.491227] DMA32: [ 250.495031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.497243] 4*4kB [ 250.501318] ? lock_downgrade+0x900/0x900 [ 250.503532] (M) [ 250.508209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.510367] 1*8kB [ 250.514547] cache_grow_begin+0x91/0x8c0 [ 250.516514] (U) [ 250.522050] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.524171] 3*16kB (UM) [ 250.528246] fallback_alloc+0x203/0x2e0 [ 250.530195] 3*32kB (UM) [ 250.534625] ____cache_alloc_node+0x1c7/0x1e0 [ 250.537271] 5*64kB (UM) [ 250.541255] kmem_cache_alloc_node+0xe3/0x730 [ 250.543903] 3*128kB [ 250.548394] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.551056] (M) [ 250.555553] __alloc_skb+0x119/0x770 [ 250.557846] 3*256kB (M) [ 250.562088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.564037] 4*512kB (UM) [ 250.567760] ? skb_scrub_packet+0x490/0x490 [ 250.570404] 3*1024kB (UM) [ 250.575696] ? lock_downgrade+0x900/0x900 [ 250.578439] 1*2048kB (M) [ 250.582773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.585588] 4*4096kB (M) [ 250.589748] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.592479] = 25192kB [ 250.592488] Node 0 [ 250.598025] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.600758] Normal: [ 250.606201] ? addrconf_rs_timer+0x690/0x690 [ 250.608595] 824*4kB [ 250.610841] ndisc_alloc_skb+0x144/0x340 [ 250.616263] (MEH) [ 250.618598] ndisc_send_rs+0x331/0x6e0 [ 250.622986] 371*8kB [ 250.625305] addrconf_rs_timer+0x314/0x690 [ 250.629339] (ME) [ 250.631486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.635348] 164*16kB [ 250.637675] call_timer_fn+0x272/0x920 [ 250.641895] (ME) [ 250.643955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.648170] 69*32kB [ 250.650616] ? process_timeout+0x40/0x40 [ 250.654488] (UMEH) [ 250.656558] ? find_held_lock+0x36/0x1c0 [ 250.660769] 28*64kB [ 250.663122] ? __run_timers+0x7da/0xc70 [ 250.667173] (M) [ 250.669443] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.673491] 1*128kB [ 250.675821] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.679772] (M) [ 250.681751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.686254] 0*256kB [ 250.688773] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.693254] 0*512kB [ 250.695231] ? trace_hardirqs_on+0xbd/0x310 [ 250.699461] 1*1024kB [ 250.701783] ? kasan_check_read+0x11/0x20 [ 250.706344] (H) [ 250.708663] ? __run_timers+0x7da/0xc70 [ 250.712977] 0*2048kB [ 250.715385] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.719510] 0*4096kB [ 250.721497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.725451] = 14040kB [ 250.727861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.733293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.735696] __run_timers+0x7e5/0xc70 [ 250.739913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.742314] ? find_held_lock+0x36/0x1c0 [ 250.746529] 146 total pagecache pages [ 250.755364] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.759138] 0 pages in swap cache [ 250.767745] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.771793] Swap cache stats: add 0, delete 0, find 0/0 [ 250.775582] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.780923] Free swap = 0kB [ 250.784386] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.788864] Total swap = 0kB [ 250.794353] ? trace_hardirqs_on+0xbd/0x310 [ 250.798829] 1965979 pages RAM [ 250.801840] ? kasan_check_read+0x11/0x20 [ 250.806399] 0 pages HighMem/MovableOnly [ 250.809414] ? finish_task_switch+0x1f5/0x900 [ 250.813717] 342307 pages reserved [ 250.813732] 0 pages cma reserved [ 250.816881] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.821067] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.824979] ? compat_start_thread+0x80/0x80 [ 250.829543] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.832946] ? pvclock_read_flags+0x160/0x160 [ 250.836282] syz-executor3 cpuset= [ 250.841736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.848207] syz3 [ 250.852614] ? check_preemption_disabled+0x48/0x200 [ 250.863080] mems_allowed=0 [ 250.867576] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 250.891940] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.897219] ? rcu_pm_notify+0xc0/0xc0 [ 250.901108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.906646] ? check_preemption_disabled+0x48/0x200 [ 250.911667] run_timer_softirq+0x52/0xb0 [ 250.915731] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.920751] __do_softirq+0x30b/0xad8 [ 250.924559] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.929665] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.934441] ? schedule+0x108/0x460 [ 250.938084] ? trace_hardirqs_off+0xb8/0x310 [ 250.942494] ? smpboot_thread_fn+0x68b/0xa00 [ 250.946924] ? trace_hardirqs_on+0x310/0x310 [ 250.951336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.956880] ? check_preemption_disabled+0x48/0x200 [ 250.961915] ? takeover_tasklets+0xa90/0xa90 [ 250.966332] run_ksoftirqd+0x94/0x100 [ 250.970131] smpboot_thread_fn+0x68b/0xa00 [ 250.974371] ? sort_range+0x30/0x30 [ 250.977999] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.983102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.988654] ? __kthread_parkme+0xfb/0x1a0 [ 250.992896] kthread+0x35a/0x420 [ 250.996263] ? sort_range+0x30/0x30 [ 250.999889] ? kthread_bind+0x40/0x40 [ 251.003695] ret_from_fork+0x3a/0x50 [ 251.007460] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 251.007537] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.014671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.014680] Call Trace: [ 251.021242] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.030512] [ 251.033095] ksoftirqd/0 cpuset= [ 251.043403] dump_stack+0x1c4/0x2b4 [ 251.045551] / [ 251.048827] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.052442] mems_allowed=0 [ 251.054161] warn_alloc.cold.119+0xb7/0x1bd [ 251.066581] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.071428] ? lock_downgrade+0x900/0x900 [ 251.075610] ? trace_hardirqs_off+0xb8/0x310 [ 251.080025] ? trace_hardirqs_off+0xb8/0x310 [ 251.084460] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.089336] ? warn_alloc+0x120/0x120 [ 251.093142] ? trace_hardirqs_on+0x310/0x310 [ 251.097555] ? warn_alloc+0x120/0x120 [ 251.101369] ? print_usage_bug+0xc0/0xc0 [ 251.105453] ? warn_alloc+0x120/0x120 [ 251.109270] ? ktime_get+0x2e1/0x440 [ 251.112986] ? print_usage_bug+0xc0/0xc0 [ 251.117050] ? __lock_acquire+0x7ec/0x4ec0 [ 251.121286] ? __lock_acquire+0x7ec/0x4ec0 [ 251.125520] ? kasan_check_read+0x11/0x20 [ 251.129681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.135235] ? should_fail+0x22d/0xd01 [ 251.139128] ? rcu_bh_qs+0xc0/0xc0 [ 251.142668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.147772] ? __lock_acquire+0x7ec/0x4ec0 [ 251.152011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.157127] ? __lock_acquire+0x7ec/0x4ec0 [ 251.161359] ? should_fail+0x22d/0xd01 [ 251.165253] ? rcu_idle_enter+0x4b0/0x4b0 [ 251.169412] ? mark_held_locks+0x130/0x130 [ 251.173662] ? mark_held_locks+0x130/0x130 [ 251.177912] ? mark_held_locks+0xc7/0x130 [ 251.182065] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 251.187089] ? graph_lock+0x170/0x170 [ 251.190893] ? print_usage_bug+0xc0/0xc0 [ 251.194957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.200504] ? check_preemption_disabled+0x48/0x200 [ 251.205523] ? check_preemption_disabled+0x48/0x200 [ 251.210548] ? __lock_is_held+0xb5/0x140 [ 251.214614] __alloc_pages_nodemask+0xa80/0xde0 [ 251.219296] ? graph_lock+0x170/0x170 [ 251.223127] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.228142] ? graph_lock+0x170/0x170 [ 251.231956] ? find_held_lock+0x36/0x1c0 [ 251.236041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.240732] ? lock_downgrade+0x900/0x900 [ 251.244901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.250451] cache_grow_begin+0x91/0x8c0 [ 251.254517] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.258932] fallback_alloc+0x203/0x2e0 [ 251.262917] ____cache_alloc_node+0x1c7/0x1e0 [ 251.267419] kmem_cache_alloc_node+0xe3/0x730 [ 251.271954] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.276234] __alloc_skb+0x119/0x770 [ 251.279953] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.285244] ? skb_scrub_packet+0x490/0x490 [ 251.289564] ? lock_downgrade+0x900/0x900 [ 251.293734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.299276] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.304730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.310198] ? addrconf_rs_timer+0x690/0x690 [ 251.314638] ndisc_alloc_skb+0x144/0x340 [ 251.318705] ndisc_send_rs+0x331/0x6e0 [ 251.322612] addrconf_rs_timer+0x314/0x690 [ 251.326853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.331099] call_timer_fn+0x272/0x920 [ 251.334986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.339248] ? process_timeout+0x40/0x40 [ 251.343311] ? find_held_lock+0x36/0x1c0 [ 251.347379] ? __run_timers+0x7da/0xc70 [ 251.351357] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.355851] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.360385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.364638] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.369230] ? trace_hardirqs_on+0xbd/0x310 [ 251.373554] ? kasan_check_read+0x11/0x20 [ 251.377706] ? __run_timers+0x7da/0xc70 [ 251.381695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.387150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.391390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.395628] __run_timers+0x7e5/0xc70 [ 251.399448] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.404829] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.409849] ? graph_lock+0x170/0x170 [ 251.413658] ? enqueue_hrtimer+0x1a5/0x560 [ 251.417892] ? lock_release+0x970/0x970 [ 251.421870] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.427068] ? find_held_lock+0x36/0x1c0 [ 251.431139] ? graph_lock+0x170/0x170 [ 251.434942] ? pvclock_read_flags+0x160/0x160 [ 251.439444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.444992] ? check_preemption_disabled+0x48/0x200 [ 251.450021] ? __lock_is_held+0xb5/0x140 [ 251.454082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.459622] ? check_preemption_disabled+0x48/0x200 [ 251.464645] run_timer_softirq+0x52/0xb0 [ 251.468706] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.473727] __do_softirq+0x30b/0xad8 [ 251.477546] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.482656] ? pvclock_read_flags+0x160/0x160 [ 251.487149] ? lapic_next_event+0x5a/0x90 [ 251.491299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.496838] ? check_preemption_disabled+0x48/0x200 [ 251.501869] ? check_preemption_disabled+0x48/0x200 [ 251.506891] ? kvm_clock_read+0x18/0x30 [ 251.510869] ? kvm_sched_clock_read+0x9/0x20 [ 251.515284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.520827] ? check_preemption_disabled+0x48/0x200 [ 251.525859] irq_exit+0x17f/0x1c0 [ 251.529316] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.534161] ? smp_reschedule_interrupt+0x109/0x650 [ 251.539182] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.545072] ? interrupt_entry+0xb5/0xf0 [ 251.549136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.554169] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.559191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.564054] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.569100] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.574119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.579689] ? check_preemption_disabled+0x48/0x200 [ 251.584704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.590266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.595136] apic_timer_interrupt+0xf/0x20 [ 251.599361] [ 251.601613] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.606543] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 251.626117] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 251.633847] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.641113] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 251.648392] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 251.655655] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.662934] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 251.670249] skb_clone+0x1bb/0x500 [ 251.673795] ? finish_task_switch+0x1b5/0x900 [ 251.678292] ? skb_split+0x11e0/0x11e0 [ 251.682181] ? preempt_notifier_register+0x200/0x200 [ 251.687287] ? __switch_to_asm+0x34/0x70 [ 251.691352] ? __switch_to_asm+0x34/0x70 [ 251.695410] ? __switch_to_asm+0x40/0x70 [ 251.699509] ? __switch_to_asm+0x34/0x70 [ 251.703590] ? __switch_to_asm+0x40/0x70 [ 251.707646] ? __switch_to_asm+0x34/0x70 [ 251.711709] ? __switch_to_asm+0x40/0x70 [ 251.715771] ? __switch_to_asm+0x34/0x70 [ 251.719832] ? __switch_to_asm+0x34/0x70 [ 251.723894] ? __switch_to_asm+0x40/0x70 [ 251.727961] ? __switch_to_asm+0x34/0x70 [ 251.732032] bpf_clone_redirect+0xb9/0x490 [ 251.736281] ? __schedule+0x874/0x1ed0 [ 251.740175] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 251.745193] ? __sched_text_start+0x8/0x8 [ 251.749345] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.754113] ? find_held_lock+0x36/0x1c0 [ 251.758179] ? lock_acquire+0x1ed/0x520 [ 251.762150] ? bpf_test_run+0x32e/0x5a0 [ 251.766128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.771672] ? check_preemption_disabled+0x48/0x200 [ 251.776696] ? kasan_check_read+0x11/0x20 [ 251.780857] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.786151] ? rcu_bh_qs+0xc0/0xc0 [ 251.789692] ? preempt_schedule+0x4d/0x60 [ 251.793845] ? ___preempt_schedule+0x16/0x18 [ 251.798260] ? bpf_test_run+0x1c0/0x5a0 [ 251.802250] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.806662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.812197] ? bpf_test_init.isra.9+0x70/0x100 [ 251.816788] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.821554] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.826399] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.831954] ? fput+0x130/0x1a0 [ 251.835243] ? __bpf_prog_get+0x9b/0x290 [ 251.839307] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.844159] ? bpf_prog_test_run+0x130/0x1a0 [ 251.848572] ? __x64_sys_bpf+0x3d8/0x510 [ 251.852634] ? bpf_prog_get+0x20/0x20 [ 251.856463] ? do_syscall_64+0x1b9/0x820 [ 251.860529] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.865897] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.870856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.875699] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.880719] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.885740] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.890768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.895618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.900995] warn_alloc_show_mem: 1 callbacks suppressed [ 251.901007] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 251.901009] Mem-Info: [ 251.901041] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 251.901041] active_file:13 inactive_file:14 isolated_file:0 [ 251.901041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.901041] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 251.901041] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 251.901041] free:13777 free_pcp:213 free_cma:0 [ 251.906384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.913155] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.915559] Call Trace: [ 251.948443] Node 0 [ 251.957832] dump_stack+0x1c4/0x2b4 [ 251.985345] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.987910] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.990122] lowmem_reserve[]: 0 [ 251.993770] warn_alloc.cold.119+0xb7/0x1bd [ 252.019239] 2819 6323 [ 252.024459] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.027713] 6323 [ 252.032057] ? lock_downgrade+0x900/0x900 [ 252.034543] Node 0 [ 252.039398] ? trace_hardirqs_off+0xb8/0x310 [ 252.041467] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 252.045589] ? trace_hardirqs_off+0xb8/0x310 [ 252.047795] lowmem_reserve[]: 0 [ 252.052209] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.079161] 0 3503 [ 252.083613] ? warn_alloc+0x120/0x120 [ 252.086847] 3503 [ 252.091689] ? warn_alloc+0x120/0x120 [ 252.093915] Node 0 [ 252.097713] ? print_usage_bug+0xc0/0xc0 [ 252.099799] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 252.103581] ? warn_alloc+0x120/0x120 [ 252.105790] lowmem_reserve[]: 0 [ 252.109869] ? print_usage_bug+0xc0/0xc0 [ 252.138117] 0 0 [ 252.141946] ? __lock_acquire+0x7ec/0x4ec0 [ 252.145195] 0 [ 252.149257] ? __lock_acquire+0x7ec/0x4ec0 [ 252.151236] Node 0 [ 252.155473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.157243] DMA: 1*4kB [ 252.161496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.163707] (U) [ 252.169236] ? should_fail+0x22d/0xd01 [ 252.169255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.171819] 0*8kB [ 252.177365] ? __lock_acquire+0x7ec/0x4ec0 [ 252.179320] 0*16kB [ 252.183208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.188286] 1*32kB (U) [ 252.190460] ? __lock_acquire+0x7ec/0x4ec0 [ 252.194667] 2*64kB (U) [ 252.196949] ? should_fail+0x22d/0xd01 [ 252.202035] 1*128kB (U) [ 252.204644] ? mark_held_locks+0x130/0x130 [ 252.208844] 1*256kB (U) [ 252.211458] ? mark_held_locks+0x130/0x130 [ 252.215336] 0*512kB [ 252.218022] ? mark_held_locks+0xc7/0x130 [ 252.222251] 1*1024kB [ 252.224927] ? print_usage_bug+0xc0/0xc0 [ 252.229135] (U) [ 252.231456] ? graph_lock+0x170/0x170 [ 252.235581] 1*2048kB [ 252.237988] ? print_usage_bug+0xc0/0xc0 [ 252.242033] (M) [ 252.244046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.247821] 3*4096kB [ 252.250227] ? check_preemption_disabled+0x48/0x200 [ 252.254263] (M) [ 252.256242] ? check_preemption_disabled+0x48/0x200 [ 252.261754] = 15908kB [ 252.264169] ? __lock_is_held+0xb5/0x140 [ 252.269160] Node 0 [ 252.271134] __alloc_pages_nodemask+0xa80/0xde0 [ 252.276144] DMA32: [ 252.278570] ? graph_lock+0x170/0x170 [ 252.282624] 4*4kB [ 252.284874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.289505] (M) 1*8kB [ 252.291756] ? graph_lock+0x170/0x170 [ 252.295542] (U) [ 252.297705] ? find_held_lock+0x36/0x1c0 [ 252.302694] 3*16kB (UM) [ 252.305208] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.308983] 3*32kB [ 252.310957] ? lock_downgrade+0x900/0x900 [ 252.315017] (UM) [ 252.317699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.322347] 5*64kB [ 252.324613] cache_grow_begin+0x91/0x8c0 [ 252.328743] (UM) [ 252.330806] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.336328] 3*128kB [ 252.338571] fallback_alloc+0x203/0x2e0 [ 252.342608] (M) [ 252.344676] ____cache_alloc_node+0x1c7/0x1e0 [ 252.349075] 3*256kB [ 252.351409] kmem_cache_alloc_node+0xe3/0x730 [ 252.355371] (M) [ 252.357351] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.361830] 4*512kB [ 252.364165] __alloc_skb+0x119/0x770 [ 252.368649] (UM) [ 252.370633] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.374854] 3*1024kB [ 252.377176] ? skb_scrub_packet+0x490/0x490 [ 252.380872] (UM) [ 252.382934] ? lock_downgrade+0x900/0x900 [ 252.388187] 1*2048kB [ 252.390615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.394910] (M) [ 252.396975] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.401102] 4*4096kB [ 252.403514] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.409034] (M) [ 252.411012] ? addrconf_rs_timer+0x690/0x690 [ 252.416446] = 25192kB [ 252.418862] ndisc_alloc_skb+0x144/0x340 [ 252.424283] Node 0 [ 252.426258] ndisc_send_rs+0x331/0x6e0 [ 252.430643] Normal: [ 252.433052] addrconf_rs_timer+0x314/0x690 [ 252.437094] 824*4kB [ 252.439329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.443189] (MEH) [ 252.445523] call_timer_fn+0x272/0x920 [ 252.449744] 371*8kB [ 252.452068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.456294] (ME) [ 252.458455] ? process_timeout+0x40/0x40 [ 252.462335] 164*16kB [ 252.464678] ? find_held_lock+0x36/0x1c0 [ 252.468884] (ME) 69*32kB [ 252.470961] ? __run_timers+0x7da/0xc70 [ 252.474999] (UMEH) [ 252.477406] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.481455] 28*64kB [ 252.484213] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.488171] (M) [ 252.490446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.494917] 1*128kB (M) [ 252.497254] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.501724] 0*256kB [ 252.503707] ? trace_hardirqs_on+0xbd/0x310 [ 252.507930] 0*512kB [ 252.510599] ? kasan_check_read+0x11/0x20 [ 252.515158] 1*1024kB [ 252.517480] ? __run_timers+0x7da/0xc70 [ 252.521782] (H) [ 252.524103] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.528229] 0*2048kB [ 252.530655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.534605] 0*4096kB [ 252.536592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.542022] = 14040kB [ 252.544480] __run_timers+0x7e5/0xc70 [ 252.548702] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.551112] ? find_held_lock+0x36/0x1c0 [ 252.555346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.557759] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.561539] 146 total pagecache pages [ 252.570375] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.574420] 0 pages in swap cache [ 252.583010] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.588349] Swap cache stats: add 0, delete 0, find 0/0 [ 252.588358] Free swap = 0kB [ 252.592161] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.596637] Total swap = 0kB [ 252.600107] ? trace_hardirqs_on+0xbd/0x310 [ 252.604702] 1965979 pages RAM [ 252.610073] ? kasan_check_read+0x11/0x20 [ 252.613063] 0 pages HighMem/MovableOnly [ 252.613073] 342307 pages reserved [ 252.617660] ? finish_task_switch+0x1f5/0x900 [ 252.620662] 0 pages cma reserved [ 252.624979] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.628126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.632208] ? compat_start_thread+0x80/0x80 [ 252.636242] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.639647] ? pvclock_read_flags+0x160/0x160 [ 252.644107] syz-executor3 cpuset= [ 252.647473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.652899] syz3 [ 252.659404] ? check_preemption_disabled+0x48/0x200 [ 252.663815] mems_allowed=0 [ 252.674322] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.703180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.708466] ? rcu_pm_notify+0xc0/0xc0 [ 252.712357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.717899] ? check_preemption_disabled+0x48/0x200 [ 252.722926] run_timer_softirq+0x52/0xb0 [ 252.726990] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.732019] __do_softirq+0x30b/0xad8 [ 252.735839] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.740950] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.745737] ? schedule+0x108/0x460 [ 252.749376] ? trace_hardirqs_off+0xb8/0x310 [ 252.753784] ? smpboot_thread_fn+0x68b/0xa00 [ 252.758207] ? trace_hardirqs_on+0x310/0x310 [ 252.762623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.768166] ? check_preemption_disabled+0x48/0x200 [ 252.773199] ? takeover_tasklets+0xa90/0xa90 [ 252.777615] run_ksoftirqd+0x94/0x100 [ 252.781419] smpboot_thread_fn+0x68b/0xa00 [ 252.785688] ? sort_range+0x30/0x30 [ 252.789319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.794439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.799981] ? __kthread_parkme+0xfb/0x1a0 [ 252.804222] kthread+0x35a/0x420 [ 252.807592] ? sort_range+0x30/0x30 [ 252.811222] ? kthread_bind+0x40/0x40 [ 252.815034] ret_from_fork+0x3a/0x50 [ 252.818772] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 252.818870] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.825971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.825980] Call Trace: [ 252.832565] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.841814] [ 252.844387] ksoftirqd/0 cpuset= [ 252.854701] dump_stack+0x1c4/0x2b4 [ 252.856835] / [ 252.860125] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.863745] mems_allowed=0 [ 252.865489] warn_alloc.cold.119+0xb7/0x1bd [ 252.877908] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.882763] ? lock_downgrade+0x900/0x900 [ 252.886925] ? trace_hardirqs_off+0xb8/0x310 [ 252.891339] ? trace_hardirqs_off+0xb8/0x310 [ 252.895774] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.900652] ? warn_alloc+0x120/0x120 [ 252.904467] ? warn_alloc+0x120/0x120 [ 252.908287] ? print_usage_bug+0xc0/0xc0 [ 252.912354] ? warn_alloc+0x120/0x120 [ 252.916158] ? print_usage_bug+0xc0/0xc0 [ 252.920247] ? __lock_acquire+0x7ec/0x4ec0 [ 252.924480] ? __lock_acquire+0x7ec/0x4ec0 [ 252.928726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.934268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.939811] ? should_fail+0x22d/0xd01 [ 252.943710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.948816] ? __lock_acquire+0x7ec/0x4ec0 [ 252.953059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.958183] ? __lock_acquire+0x7ec/0x4ec0 [ 252.962418] ? should_fail+0x22d/0xd01 [ 252.966326] ? mark_held_locks+0x130/0x130 [ 252.970581] ? mark_held_locks+0x130/0x130 [ 252.974820] ? graph_lock+0x170/0x170 [ 252.978641] ? print_usage_bug+0xc0/0xc0 [ 252.982699] ? graph_lock+0x170/0x170 [ 252.986499] ? print_usage_bug+0xc0/0xc0 [ 252.990569] ? wq_watchdog_touch+0x9c/0xfe [ 252.994806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.000348] ? check_preemption_disabled+0x48/0x200 [ 253.005365] ? check_preemption_disabled+0x48/0x200 [ 253.010392] ? __lock_is_held+0xb5/0x140 [ 253.014467] __alloc_pages_nodemask+0xa80/0xde0 [ 253.019138] ? graph_lock+0x170/0x170 [ 253.022950] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.027971] ? graph_lock+0x170/0x170 [ 253.031788] ? find_held_lock+0x36/0x1c0 [ 253.035873] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.040550] ? lock_downgrade+0x900/0x900 [ 253.044723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.050294] cache_grow_begin+0x91/0x8c0 [ 253.054360] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.058815] fallback_alloc+0x203/0x2e0 [ 253.062799] ____cache_alloc_node+0x1c7/0x1e0 [ 253.067306] kmem_cache_alloc_node+0xe3/0x730 [ 253.071806] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.076056] __alloc_skb+0x119/0x770 [ 253.079787] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.085081] ? skb_scrub_packet+0x490/0x490 [ 253.089426] ? lock_downgrade+0x900/0x900 [ 253.093607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.099148] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.104619] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.110080] ? addrconf_rs_timer+0x690/0x690 [ 253.114507] ndisc_alloc_skb+0x144/0x340 [ 253.118580] ndisc_send_rs+0x331/0x6e0 [ 253.122482] addrconf_rs_timer+0x314/0x690 [ 253.126722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.130976] call_timer_fn+0x272/0x920 [ 253.134864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.139103] ? process_timeout+0x40/0x40 [ 253.143205] ? find_held_lock+0x36/0x1c0 [ 253.147288] ? __run_timers+0x7da/0xc70 [ 253.151278] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.155773] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.160284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.164532] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.169126] ? trace_hardirqs_on+0xbd/0x310 [ 253.173453] ? kasan_check_read+0x11/0x20 [ 253.177621] ? __run_timers+0x7da/0xc70 [ 253.181600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.187062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.191304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.195554] __run_timers+0x7e5/0xc70 [ 253.199372] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.204755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.209797] ? graph_lock+0x170/0x170 [ 253.213625] ? enqueue_hrtimer+0x1a5/0x560 [ 253.217858] ? lock_release+0x970/0x970 [ 253.221878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.227078] ? find_held_lock+0x36/0x1c0 [ 253.231147] ? graph_lock+0x170/0x170 [ 253.234962] ? pvclock_read_flags+0x160/0x160 [ 253.239476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.245018] ? check_preemption_disabled+0x48/0x200 [ 253.250046] ? __lock_is_held+0xb5/0x140 [ 253.254285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.259827] ? check_preemption_disabled+0x48/0x200 [ 253.264871] run_timer_softirq+0x52/0xb0 [ 253.268935] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.273959] __do_softirq+0x30b/0xad8 [ 253.277779] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.282902] ? pvclock_read_flags+0x160/0x160 [ 253.287397] ? lapic_next_event+0x5a/0x90 [ 253.291558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.297100] ? check_preemption_disabled+0x48/0x200 [ 253.302133] ? check_preemption_disabled+0x48/0x200 [ 253.307160] ? kvm_clock_read+0x18/0x30 [ 253.311135] ? kvm_sched_clock_read+0x9/0x20 [ 253.315549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.321119] ? check_preemption_disabled+0x48/0x200 [ 253.326149] irq_exit+0x17f/0x1c0 [ 253.329626] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.334470] ? smp_reschedule_interrupt+0x109/0x650 [ 253.339498] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.345398] ? interrupt_entry+0xb5/0xf0 [ 253.349470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.354504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.359550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.364392] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.369424] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.374463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.380004] ? check_preemption_disabled+0x48/0x200 [ 253.385026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.390586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.395450] apic_timer_interrupt+0xf/0x20 [ 253.399688] [ 253.401941] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.406882] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 253.425787] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 253.433501] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.440784] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 253.448078] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 253.455351] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.462620] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 253.469933] skb_clone+0x1bb/0x500 [ 253.473495] ? finish_task_switch+0x1b5/0x900 [ 253.477993] ? skb_split+0x11e0/0x11e0 [ 253.481932] ? preempt_notifier_register+0x200/0x200 [ 253.487033] ? __switch_to_asm+0x34/0x70 [ 253.491106] ? __switch_to_asm+0x34/0x70 [ 253.495164] ? __switch_to_asm+0x40/0x70 [ 253.499267] ? __switch_to_asm+0x34/0x70 [ 253.503328] ? __switch_to_asm+0x40/0x70 [ 253.507391] ? __switch_to_asm+0x34/0x70 [ 253.511456] ? __switch_to_asm+0x40/0x70 [ 253.515518] ? __switch_to_asm+0x34/0x70 [ 253.519581] ? __switch_to_asm+0x34/0x70 [ 253.523641] ? __switch_to_asm+0x40/0x70 [ 253.527704] ? __switch_to_asm+0x34/0x70 [ 253.531787] bpf_clone_redirect+0xb9/0x490 [ 253.536076] ? __schedule+0x874/0x1ed0 [ 253.539981] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 253.545001] ? __sched_text_start+0x8/0x8 [ 253.549151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.553924] ? find_held_lock+0x36/0x1c0 [ 253.557994] ? lock_acquire+0x1ed/0x520 [ 253.561972] ? bpf_test_run+0x32e/0x5a0 [ 253.565951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.571490] ? check_preemption_disabled+0x48/0x200 [ 253.576515] ? kasan_check_read+0x11/0x20 [ 253.580686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.585964] ? rcu_bh_qs+0xc0/0xc0 [ 253.589510] ? preempt_schedule+0x4d/0x60 [ 253.593659] ? ___preempt_schedule+0x16/0x18 [ 253.598074] ? bpf_test_run+0x1c0/0x5a0 [ 253.602060] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.606475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.612009] ? bpf_test_init.isra.9+0x70/0x100 [ 253.616597] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.621399] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.626249] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.631815] ? fput+0x130/0x1a0 [ 253.635098] ? __bpf_prog_get+0x9b/0x290 [ 253.639165] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.644007] ? bpf_prog_test_run+0x130/0x1a0 [ 253.648439] ? __x64_sys_bpf+0x3d8/0x510 [ 253.652528] ? bpf_prog_get+0x20/0x20 [ 253.656352] ? do_syscall_64+0x1b9/0x820 [ 253.660415] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.665802] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.670773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.675621] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.680649] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.685688] ? prepare_exit_to_usermode+0x291/0x3b0 [ 253.691136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.695994] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.701396] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 253.701401] warn_alloc_show_mem: 1 callbacks suppressed [ 253.701409] Mem-Info: [ 253.708182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.713578] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 253.713578] active_file:13 inactive_file:14 isolated_file:0 [ 253.713578] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.713578] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 253.713578] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 253.713578] free:13777 free_pcp:213 free_cma:0 [ 253.715958] Call Trace: [ 253.725351] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.758225] dump_stack+0x1c4/0x2b4 [ 253.760796] Node 0 [ 253.788295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.791925] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.794147] warn_alloc.cold.119+0xb7/0x1bd [ 253.799304] lowmem_reserve[]: [ 253.824819] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.829116] 0 [ 253.832216] ? lock_downgrade+0x900/0x900 [ 253.837040] 2819 [ 253.838842] ? trace_hardirqs_off+0xb8/0x310 [ 253.842975] 6323 [ 253.845047] ? trace_hardirqs_off+0xb8/0x310 [ 253.849442] 6323 [ 253.851785] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.858256] ? warn_alloc+0x120/0x120 [ 253.863063] Node 0 DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.866906] ? warn_alloc+0x120/0x120 [ 253.866923] ? print_usage_bug+0xc0/0xc0 [ 253.894499] lowmem_reserve[]: 0 [ 253.898306] ? warn_alloc+0x120/0x120 [ 253.902343] 0 [ 253.905626] ? print_usage_bug+0xc0/0xc0 [ 253.909402] 3503 [ 253.911225] ? __lock_acquire+0x7ec/0x4ec0 [ 253.915258] 3503 [ 253.917339] ? __lock_acquire+0x7ec/0x4ec0 [ 253.921552] Node 0 [ 253.923626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.927866] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 253.930084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.935595] lowmem_reserve[]: 0 [ 253.963908] ? should_fail+0x22d/0xd01 [ 253.969420] 0 [ 253.972718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.976586] 0 [ 253.978387] ? __lock_acquire+0x7ec/0x4ec0 [ 253.983478] 0 [ 253.985280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.991294] ? __lock_acquire+0x7ec/0x4ec0 [ 253.996373] Node 0 [ 254.000595] ? should_fail+0x22d/0xd01 [ 254.000606] DMA: [ 254.002859] ? mark_held_locks+0x130/0x130 [ 254.006718] 1*4kB [ 254.008786] ? mark_held_locks+0x130/0x130 [ 254.013002] (U) [ 254.015151] ? mark_held_locks+0xc7/0x130 [ 254.019362] 0*8kB 0*16kB [ 254.021351] ? print_usage_bug+0xc0/0xc0 [ 254.025492] 1*32kB (U) [ 254.028279] ? graph_lock+0x170/0x170 [ 254.032315] 2*64kB (U) [ 254.034921] ? print_usage_bug+0xc0/0xc0 [ 254.038691] 1*128kB (U) [ 254.041298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.045331] 1*256kB (U) [ 254.048017] ? check_preemption_disabled+0x48/0x200 [ 254.053784] 0*512kB 1*1024kB [ 254.056490] ? check_preemption_disabled+0x48/0x200 [ 254.061491] (U) [ 254.064602] ? __lock_is_held+0xb5/0x140 [ 254.069597] 1*2048kB (M) [ 254.071598] __alloc_pages_nodemask+0xa80/0xde0 [ 254.075677] 3*4096kB [ 254.078428] ? graph_lock+0x170/0x170 [ 254.083080] (M) [ 254.085492] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.089269] = 15908kB [ 254.091233] ? graph_lock+0x170/0x170 [ 254.091258] ? find_held_lock+0x36/0x1c0 [ 254.096247] Node 0 [ 254.098662] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.102447] DMA32: 4*4kB [ 254.106545] ? lock_downgrade+0x900/0x900 [ 254.108759] (M) [ 254.113448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.116180] 1*8kB [ 254.120328] cache_grow_begin+0x91/0x8c0 [ 254.122292] (U) [ 254.127832] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.129965] 3*16kB [ 254.134030] fallback_alloc+0x203/0x2e0 [ 254.135987] (UM) [ 254.140398] ____cache_alloc_node+0x1c7/0x1e0 [ 254.142609] 3*32kB (UM) [ 254.146596] kmem_cache_alloc_node+0xe3/0x730 [ 254.148641] 5*64kB [ 254.153135] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.155784] (UM) [ 254.160282] __alloc_skb+0x119/0x770 [ 254.162497] 3*128kB [ 254.166735] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.168771] (M) [ 254.172486] ? skb_scrub_packet+0x490/0x490 [ 254.174793] 3*256kB [ 254.180082] ? lock_downgrade+0x900/0x900 [ 254.182040] (M) [ 254.186370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.188669] 4*512kB [ 254.192816] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.194775] (UM) [ 254.200318] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.202613] 3*1024kB (UM) [ 254.208082] ? addrconf_rs_timer+0x690/0x690 [ 254.210126] 1*2048kB [ 254.215581] ndisc_alloc_skb+0x144/0x340 [ 254.218396] (M) [ 254.222802] ndisc_send_rs+0x331/0x6e0 [ 254.225198] 4*4096kB (M) [ 254.229268] addrconf_rs_timer+0x314/0x690 [ 254.231220] = 25192kB [ 254.235103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.237845] Node 0 [ 254.242087] call_timer_fn+0x272/0x920 [ 254.244470] Normal: [ 254.248705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.250934] 824*4kB [ 254.254815] ? process_timeout+0x40/0x40 [ 254.257121] (MEH) [ 254.261350] ? find_held_lock+0x36/0x1c0 [ 254.263664] 371*8kB [ 254.267755] ? __run_timers+0x7da/0xc70 [ 254.269869] (ME) 164*16kB [ 254.273936] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.276235] (ME) 69*32kB [ 254.280215] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.283036] (UMEH) 28*64kB [ 254.287563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.290300] (M) [ 254.294804] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.297707] 1*128kB (M) [ 254.301963] ? trace_hardirqs_on+0xbd/0x310 [ 254.303924] 0*256kB 0*512kB [ 254.308522] ? kasan_check_read+0x11/0x20 [ 254.311166] 1*1024kB (H) [ 254.315510] ? __run_timers+0x7da/0xc70 [ 254.318502] 0*2048kB 0*4096kB [ 254.322661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.325394] = 14040kB [ 254.325407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.329384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.332564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.338008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.340399] 146 total pagecache pages [ 254.349230] __run_timers+0x7e5/0xc70 [ 254.353465] 0 pages in swap cache [ 254.362031] ? find_held_lock+0x36/0x1c0 [ 254.366262] Swap cache stats: add 0, delete 0, find 0/0 [ 254.370072] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.373863] Free swap = 0kB [ 254.373876] Total swap = 0kB [ 254.377338] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.381375] 1965979 pages RAM [ 254.386741] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.392092] 0 pages HighMem/MovableOnly [ 254.395111] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.398108] 342307 pages reserved [ 254.402602] ? trace_hardirqs_on+0xbd/0x310 [ 254.405686] 0 pages cma reserved [ 254.410179] ? kasan_check_read+0x11/0x20 [ 254.414196] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.418708] ? finish_task_switch+0x1f5/0x900 [ 254.418731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.418748] ? compat_start_thread+0x80/0x80 [ 254.422259] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.426543] ? pvclock_read_flags+0x160/0x160 [ 254.429878] syz-executor3 cpuset= [ 254.434045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.440547] syz3 [ 254.445045] ? check_preemption_disabled+0x48/0x200 [ 254.450477] mems_allowed=0 [ 254.454901] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 254.494233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.499527] ? rcu_pm_notify+0xc0/0xc0 [ 254.503429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.508984] ? check_preemption_disabled+0x48/0x200 [ 254.514010] run_timer_softirq+0x52/0xb0 [ 254.518078] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.523115] __do_softirq+0x30b/0xad8 [ 254.526945] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.532049] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.536852] ? schedule+0x108/0x460 [ 254.540494] ? trace_hardirqs_off+0xb8/0x310 [ 254.544911] ? smpboot_thread_fn+0x68b/0xa00 [ 254.549324] ? trace_hardirqs_on+0x310/0x310 [ 254.553742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.559286] ? check_preemption_disabled+0x48/0x200 [ 254.564325] ? takeover_tasklets+0xa90/0xa90 [ 254.568743] run_ksoftirqd+0x94/0x100 [ 254.572582] smpboot_thread_fn+0x68b/0xa00 [ 254.576821] ? sort_range+0x30/0x30 [ 254.580458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.585571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.591125] ? __kthread_parkme+0xfb/0x1a0 [ 254.595390] kthread+0x35a/0x420 [ 254.598776] ? sort_range+0x30/0x30 [ 254.602405] ? kthread_bind+0x40/0x40 [ 254.606215] ret_from_fork+0x3a/0x50 [ 254.609950] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 254.610035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.617142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.617147] Call Trace: [ 254.617154] [ 254.617172] dump_stack+0x1c4/0x2b4 [ 254.617190] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.623735] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.633037] warn_alloc.cold.119+0xb7/0x1bd [ 254.635592] ksoftirqd/0 cpuset= [ 254.637747] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.641375] / [ 254.646562] ? lock_downgrade+0x900/0x900 [ 254.656853] mems_allowed=0 [ 254.661175] ? trace_hardirqs_off+0xb8/0x310 [ 254.682426] ? trace_hardirqs_off+0xb8/0x310 [ 254.686858] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.691733] ? warn_alloc+0x120/0x120 [ 254.695542] ? warn_alloc+0x120/0x120 [ 254.699343] ? print_usage_bug+0xc0/0xc0 [ 254.703406] ? warn_alloc+0x120/0x120 [ 254.707215] ? print_usage_bug+0xc0/0xc0 [ 254.711301] ? __lock_acquire+0x7ec/0x4ec0 [ 254.715533] ? __lock_acquire+0x7ec/0x4ec0 [ 254.719786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.725325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.730863] ? should_fail+0x22d/0xd01 [ 254.734757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.739876] ? __lock_acquire+0x7ec/0x4ec0 [ 254.744118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.749232] ? __lock_acquire+0x7ec/0x4ec0 [ 254.753470] ? should_fail+0x22d/0xd01 [ 254.757381] ? mark_held_locks+0x130/0x130 [ 254.761636] ? mark_held_locks+0x130/0x130 [ 254.765875] ? graph_lock+0x170/0x170 [ 254.769692] ? print_usage_bug+0xc0/0xc0 [ 254.773755] ? graph_lock+0x170/0x170 [ 254.777560] ? print_usage_bug+0xc0/0xc0 [ 254.781624] ? wq_watchdog_touch+0x9c/0xfe [ 254.785862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.791413] ? check_preemption_disabled+0x48/0x200 [ 254.796917] ? check_preemption_disabled+0x48/0x200 [ 254.801951] ? __lock_is_held+0xb5/0x140 [ 254.806022] __alloc_pages_nodemask+0xa80/0xde0 [ 254.810703] ? graph_lock+0x170/0x170 [ 254.814511] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.819541] ? graph_lock+0x170/0x170 [ 254.823357] ? find_held_lock+0x36/0x1c0 [ 254.827442] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.832113] ? lock_downgrade+0x900/0x900 [ 254.836294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.841837] cache_grow_begin+0x91/0x8c0 [ 254.845912] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.850343] fallback_alloc+0x203/0x2e0 [ 254.854329] ____cache_alloc_node+0x1c7/0x1e0 [ 254.858833] kmem_cache_alloc_node+0xe3/0x730 [ 254.863332] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.867579] __alloc_skb+0x119/0x770 [ 254.871295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.876586] ? skb_scrub_packet+0x490/0x490 [ 254.880910] ? lock_downgrade+0x900/0x900 [ 254.885069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.890618] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.896072] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.901526] ? addrconf_rs_timer+0x690/0x690 [ 254.905952] ndisc_alloc_skb+0x144/0x340 [ 254.910022] ndisc_send_rs+0x331/0x6e0 [ 254.913941] addrconf_rs_timer+0x314/0x690 [ 254.919010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.923265] call_timer_fn+0x272/0x920 [ 254.927170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.931408] ? process_timeout+0x40/0x40 [ 254.935494] ? find_held_lock+0x36/0x1c0 [ 254.939570] ? __run_timers+0x7da/0xc70 [ 254.943563] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.948056] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.952552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.956787] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.961374] ? trace_hardirqs_on+0xbd/0x310 [ 254.965710] ? kasan_check_read+0x11/0x20 [ 254.969885] ? __run_timers+0x7da/0xc70 [ 254.973882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.979341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.983585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.987819] __run_timers+0x7e5/0xc70 [ 254.991643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.997015] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.002040] ? graph_lock+0x170/0x170 [ 255.005847] ? enqueue_hrtimer+0x1a5/0x560 [ 255.010084] ? lock_release+0x970/0x970 [ 255.014060] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.019280] ? find_held_lock+0x36/0x1c0 [ 255.023358] ? graph_lock+0x170/0x170 [ 255.027160] ? pvclock_read_flags+0x160/0x160 [ 255.031660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.037202] ? check_preemption_disabled+0x48/0x200 [ 255.042251] ? __lock_is_held+0xb5/0x140 [ 255.046316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.051854] ? check_preemption_disabled+0x48/0x200 [ 255.056882] run_timer_softirq+0x52/0xb0 [ 255.060944] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.065967] __do_softirq+0x30b/0xad8 [ 255.069781] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.074890] ? pvclock_read_flags+0x160/0x160 [ 255.079388] ? lapic_next_event+0x5a/0x90 [ 255.083559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.089100] ? check_preemption_disabled+0x48/0x200 [ 255.094118] ? check_preemption_disabled+0x48/0x200 [ 255.099144] ? kvm_clock_read+0x18/0x30 [ 255.103122] ? kvm_sched_clock_read+0x9/0x20 [ 255.107547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.113092] ? check_preemption_disabled+0x48/0x200 [ 255.118120] irq_exit+0x17f/0x1c0 [ 255.121593] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.126457] ? smp_reschedule_interrupt+0x109/0x650 [ 255.131506] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.137391] ? interrupt_entry+0xb5/0xf0 [ 255.141474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.146491] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.151508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.156528] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.161551] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.166568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.172107] ? check_preemption_disabled+0x48/0x200 [ 255.177122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.182697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.187557] apic_timer_interrupt+0xf/0x20 [ 255.191787] [ 255.194049] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.198978] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 255.217877] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 255.225588] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.232857] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 255.240129] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 255.247401] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.254677] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 255.261989] skb_clone+0x1bb/0x500 [ 255.265537] ? finish_task_switch+0x1b5/0x900 [ 255.270034] ? skb_split+0x11e0/0x11e0 [ 255.273927] ? preempt_notifier_register+0x200/0x200 [ 255.279029] ? __switch_to_asm+0x34/0x70 [ 255.283092] ? __switch_to_asm+0x34/0x70 [ 255.287157] ? __switch_to_asm+0x40/0x70 [ 255.291235] ? __switch_to_asm+0x34/0x70 [ 255.295295] ? __switch_to_asm+0x40/0x70 [ 255.299357] ? __switch_to_asm+0x34/0x70 [ 255.303429] ? __switch_to_asm+0x40/0x70 [ 255.307505] ? __switch_to_asm+0x34/0x70 [ 255.311573] ? __switch_to_asm+0x34/0x70 [ 255.315634] ? __switch_to_asm+0x40/0x70 [ 255.319715] ? __switch_to_asm+0x34/0x70 [ 255.323788] bpf_clone_redirect+0xb9/0x490 [ 255.328031] ? __schedule+0x874/0x1ed0 [ 255.331928] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 255.336954] ? __sched_text_start+0x8/0x8 [ 255.341107] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.345881] ? find_held_lock+0x36/0x1c0 [ 255.349951] ? lock_acquire+0x1ed/0x520 [ 255.353931] ? bpf_test_run+0x32e/0x5a0 [ 255.357909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.363469] ? check_preemption_disabled+0x48/0x200 [ 255.368493] ? kasan_check_read+0x11/0x20 [ 255.372664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.377967] ? rcu_bh_qs+0xc0/0xc0 [ 255.381510] ? preempt_schedule+0x4d/0x60 [ 255.385677] ? ___preempt_schedule+0x16/0x18 [ 255.390111] ? bpf_test_run+0x1c0/0x5a0 [ 255.394110] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.398552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.404103] ? bpf_test_init.isra.9+0x70/0x100 [ 255.408691] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.413464] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.418324] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.423858] ? fput+0x130/0x1a0 [ 255.427142] ? __bpf_prog_get+0x9b/0x290 [ 255.431233] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.436075] ? bpf_prog_test_run+0x130/0x1a0 [ 255.440499] ? __x64_sys_bpf+0x3d8/0x510 [ 255.444570] ? bpf_prog_get+0x20/0x20 [ 255.448391] ? do_syscall_64+0x1b9/0x820 [ 255.452480] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.457846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.462782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.467638] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.472656] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.477676] ? prepare_exit_to_usermode+0x291/0x3b0 [ 255.482712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.487561] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.492941] warn_alloc_show_mem: 1 callbacks suppressed [ 255.492957] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 255.492959] Mem-Info: [ 255.492990] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 255.492990] active_file:13 inactive_file:14 isolated_file:0 [ 255.492990] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.492990] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 255.492990] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 255.492990] free:13777 free_pcp:213 free_cma:0 [ 255.498337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.505094] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.507493] Call Trace: [ 255.540360] Node 0 [ 255.549718] dump_stack+0x1c4/0x2b4 [ 255.577214] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.579776] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.581988] lowmem_reserve[]: [ 255.585626] warn_alloc.cold.119+0xb7/0x1bd [ 255.611095] 0 2819 [ 255.616295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.619373] 6323 [ 255.623698] ? lock_downgrade+0x900/0x900 [ 255.625921] 6323 [ 255.630810] ? trace_hardirqs_off+0xb8/0x310 [ 255.632854] Node 0 [ 255.637007] ? trace_hardirqs_off+0xb8/0x310 [ 255.639072] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 255.643473] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.645683] lowmem_reserve[]: [ 255.650132] ? warn_alloc+0x120/0x120 [ 255.677061] 0 0 [ 255.681919] ? warn_alloc+0x120/0x120 [ 255.684992] 3503 3503 [ 255.689018] ? print_usage_bug+0xc0/0xc0 [ 255.694769] ? warn_alloc+0x120/0x120 [ 255.697252] Node 0 [ 255.701313] ? print_usage_bug+0xc0/0xc0 [ 255.705131] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 255.707339] ? __lock_acquire+0x7ec/0x4ec0 [ 255.711381] lowmem_reserve[]: [ 255.739667] ? __lock_acquire+0x7ec/0x4ec0 [ 255.743893] 0 [ 255.746995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.751208] 0 [ 255.753009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.758517] 0 0 [ 255.760325] ? should_fail+0x22d/0xd01 [ 255.767809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.771694] Node 0 [ 255.776787] ? __lock_acquire+0x7ec/0x4ec0 [ 255.776790] DMA: 1*4kB [ 255.779034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.783250] (U) 0*8kB [ 255.785840] ? __lock_acquire+0x7ec/0x4ec0 [ 255.790921] 0*16kB [ 255.793419] ? should_fail+0x22d/0xd01 [ 255.797652] 1*32kB [ 255.799890] ? mark_held_locks+0x130/0x130 [ 255.803744] (U) 2*64kB [ 255.805989] ? mark_held_locks+0x130/0x130 [ 255.810202] (U) [ 255.812782] ? graph_lock+0x170/0x170 [ 255.816997] 1*128kB [ 255.818974] ? print_usage_bug+0xc0/0xc0 [ 255.822752] (U) 1*256kB [ 255.825088] ? graph_lock+0x170/0x170 [ 255.829129] (U) 0*512kB [ 255.831804] ? print_usage_bug+0xc0/0xc0 [ 255.835578] 1*1024kB (U) [ 255.838276] ? wq_watchdog_touch+0x9c/0xfe [ 255.842322] 1*2048kB [ 255.845077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.849287] (M) [ 255.851699] ? check_preemption_disabled+0x48/0x200 [ 255.857208] 3*4096kB (M) [ 255.859195] ? check_preemption_disabled+0x48/0x200 [ 255.864189] = 15908kB [ 255.866959] ? __lock_is_held+0xb5/0x140 [ 255.871953] Node 0 [ 255.874363] __alloc_pages_nodemask+0xa80/0xde0 [ 255.878392] DMA32: 4*4kB [ 255.880641] ? graph_lock+0x170/0x170 [ 255.885306] (M) 1*8kB [ 255.888076] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.891855] (U) [ 255.894368] ? graph_lock+0x170/0x170 [ 255.899364] 3*16kB [ 255.901347] ? find_held_lock+0x36/0x1c0 [ 255.905122] (UM) [ 255.907364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.911400] 3*32kB [ 255.913466] ? lock_downgrade+0x900/0x900 [ 255.918123] (UM) [ 255.920360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.924482] 5*64kB [ 255.926560] cache_grow_begin+0x91/0x8c0 [ 255.932074] (UM) [ 255.934323] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.938363] 3*128kB [ 255.940430] fallback_alloc+0x203/0x2e0 [ 255.944850] (M) [ 255.947179] ____cache_alloc_node+0x1c7/0x1e0 [ 255.951151] 3*256kB [ 255.953128] kmem_cache_alloc_node+0xe3/0x730 [ 255.957596] (M) 4*512kB [ 255.959940] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.964409] (UM) [ 255.967134] __alloc_skb+0x119/0x770 [ 255.971347] 3*1024kB [ 255.973416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.977104] (UM) [ 255.979516] ? skb_scrub_packet+0x490/0x490 [ 255.984768] 1*2048kB (M) [ 255.986849] ? lock_downgrade+0x900/0x900 [ 255.991147] 4*4096kB [ 255.993919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.998062] (M) [ 256.000484] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.005999] = 25192kB [ 256.007976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.013410] Node 0 [ 256.015845] ? addrconf_rs_timer+0x690/0x690 [ 256.021272] Normal: [ 256.023516] ndisc_alloc_skb+0x144/0x340 [ 256.027911] 824*4kB [ 256.030247] ndisc_send_rs+0x331/0x6e0 [ 256.034282] (MEH) 371*8kB [ 256.036642] addrconf_rs_timer+0x314/0x690 [ 256.040500] (ME) [ 256.043345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.047564] 164*16kB (ME) [ 256.049679] call_timer_fn+0x272/0x920 [ 256.053878] 69*32kB (UMEH) [ 256.056740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.060601] 28*64kB [ 256.063532] ? process_timeout+0x40/0x40 [ 256.067744] (M) [ 256.070065] ? find_held_lock+0x36/0x1c0 [ 256.074102] 1*128kB (M) [ 256.076092] ? __run_timers+0x7da/0xc70 [ 256.080126] 0*256kB [ 256.082792] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.086741] 0*512kB [ 256.089058] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.093547] 1*1024kB [ 256.095899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.100375] (H) [ 256.102783] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.106994] 0*2048kB [ 256.108980] ? trace_hardirqs_on+0xbd/0x310 [ 256.113540] 0*4096kB [ 256.115944] ? kasan_check_read+0x11/0x20 [ 256.120248] = 14040kB [ 256.122654] ? __run_timers+0x7da/0xc70 [ 256.126792] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.129204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.133173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.141996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.147453] 146 total pagecache pages [ 256.156025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.160243] 0 pages in swap cache [ 256.164050] __run_timers+0x7e5/0xc70 [ 256.168290] Swap cache stats: add 0, delete 0, find 0/0 [ 256.171740] ? find_held_lock+0x36/0x1c0 [ 256.175512] Free swap = 0kB [ 256.180903] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.184949] Total swap = 0kB [ 256.187963] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.193314] 1965979 pages RAM [ 256.196333] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.200800] 0 pages HighMem/MovableOnly [ 256.200809] 342307 pages reserved [ 256.203937] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.208408] 0 pages cma reserved [ 256.212414] ? trace_hardirqs_on+0xbd/0x310 [ 256.215933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.220450] ? kasan_check_read+0x11/0x20 [ 256.220466] ? finish_task_switch+0x1f5/0x900 [ 256.220481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.220498] ? compat_start_thread+0x80/0x80 [ 256.223914] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.228181] ? pvclock_read_flags+0x160/0x160 [ 256.234653] syz-executor3 cpuset= [ 256.238800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.243290] syz3 [ 256.248773] ? check_preemption_disabled+0x48/0x200 [ 256.253158] mems_allowed=0 [ 256.263648] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 256.292491] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.297779] ? rcu_pm_notify+0xc0/0xc0 [ 256.301672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.307227] ? check_preemption_disabled+0x48/0x200 [ 256.312253] run_timer_softirq+0x52/0xb0 [ 256.316315] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.321334] __do_softirq+0x30b/0xad8 [ 256.325151] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.330255] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.335032] ? schedule+0x108/0x460 [ 256.338670] ? trace_hardirqs_off+0xb8/0x310 [ 256.343078] ? smpboot_thread_fn+0x68b/0xa00 [ 256.347513] ? trace_hardirqs_on+0x310/0x310 [ 256.351921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.357469] ? check_preemption_disabled+0x48/0x200 [ 256.362496] ? takeover_tasklets+0xa90/0xa90 [ 256.366917] run_ksoftirqd+0x94/0x100 [ 256.370722] smpboot_thread_fn+0x68b/0xa00 [ 256.374969] ? sort_range+0x30/0x30 [ 256.378599] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.383709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.389255] ? __kthread_parkme+0xfb/0x1a0 [ 256.393490] kthread+0x35a/0x420 [ 256.396868] ? sort_range+0x30/0x30 [ 256.400516] ? kthread_bind+0x40/0x40 [ 256.404325] ret_from_fork+0x3a/0x50 [ 256.408058] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 256.408131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.415248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.415257] Call Trace: [ 256.421866] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.431118] [ 256.433697] ksoftirqd/0 cpuset= [ 256.444013] dump_stack+0x1c4/0x2b4 [ 256.446135] / [ 256.449414] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.453053] mems_allowed=0 [ 256.454802] warn_alloc.cold.119+0xb7/0x1bd [ 256.467203] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.472053] ? lock_downgrade+0x900/0x900 [ 256.476210] ? trace_hardirqs_off+0xb8/0x310 [ 256.480638] ? trace_hardirqs_off+0xb8/0x310 [ 256.485059] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.489967] ? warn_alloc+0x120/0x120 [ 256.493780] ? warn_alloc+0x120/0x120 [ 256.497609] ? print_usage_bug+0xc0/0xc0 [ 256.501675] ? warn_alloc+0x120/0x120 [ 256.505478] ? print_usage_bug+0xc0/0xc0 [ 256.509544] ? __lock_acquire+0x7ec/0x4ec0 [ 256.513792] ? __lock_acquire+0x7ec/0x4ec0 [ 256.518030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.523583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.529122] ? should_fail+0x22d/0xd01 [ 256.533015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.538125] ? __lock_acquire+0x7ec/0x4ec0 [ 256.542375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.547480] ? __lock_acquire+0x7ec/0x4ec0 [ 256.551718] ? should_fail+0x22d/0xd01 [ 256.555622] ? mark_held_locks+0x130/0x130 [ 256.559874] ? mark_held_locks+0x130/0x130 [ 256.564113] ? graph_lock+0x170/0x170 [ 256.567919] ? print_usage_bug+0xc0/0xc0 [ 256.571982] ? graph_lock+0x170/0x170 [ 256.575784] ? print_usage_bug+0xc0/0xc0 [ 256.579847] ? wq_watchdog_touch+0x9c/0xfe [ 256.584085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.589640] ? check_preemption_disabled+0x48/0x200 [ 256.594657] ? check_preemption_disabled+0x48/0x200 [ 256.599696] ? __lock_is_held+0xb5/0x140 [ 256.603797] __alloc_pages_nodemask+0xa80/0xde0 [ 256.608468] ? graph_lock+0x170/0x170 [ 256.612284] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.617301] ? graph_lock+0x170/0x170 [ 256.621141] ? find_held_lock+0x36/0x1c0 [ 256.625217] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.629896] ? lock_downgrade+0x900/0x900 [ 256.634056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.639602] cache_grow_begin+0x91/0x8c0 [ 256.643667] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.648103] fallback_alloc+0x203/0x2e0 [ 256.652091] ____cache_alloc_node+0x1c7/0x1e0 [ 256.656605] kmem_cache_alloc_node+0xe3/0x730 [ 256.661106] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.665352] __alloc_skb+0x119/0x770 [ 256.669067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.674348] ? skb_scrub_packet+0x490/0x490 [ 256.678671] ? lock_downgrade+0x900/0x900 [ 256.682842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.688383] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.693845] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.699311] ? addrconf_rs_timer+0x690/0x690 [ 256.703735] ndisc_alloc_skb+0x144/0x340 [ 256.707818] ndisc_send_rs+0x331/0x6e0 [ 256.711725] addrconf_rs_timer+0x314/0x690 [ 256.715972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.720222] call_timer_fn+0x272/0x920 [ 256.724116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.728360] ? process_timeout+0x40/0x40 [ 256.732421] ? find_held_lock+0x36/0x1c0 [ 256.736515] ? __run_timers+0x7da/0xc70 [ 256.740496] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.745010] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.749511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.753770] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.758357] ? trace_hardirqs_on+0xbd/0x310 [ 256.762691] ? kasan_check_read+0x11/0x20 [ 256.766843] ? __run_timers+0x7da/0xc70 [ 256.770839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.776298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.780545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.784783] __run_timers+0x7e5/0xc70 [ 256.788603] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.794494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.799533] ? graph_lock+0x170/0x170 [ 256.803340] ? enqueue_hrtimer+0x1a5/0x560 [ 256.807589] ? lock_release+0x970/0x970 [ 256.811567] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.816764] ? find_held_lock+0x36/0x1c0 [ 256.820832] ? graph_lock+0x170/0x170 [ 256.824649] ? pvclock_read_flags+0x160/0x160 [ 256.829149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.834690] ? check_preemption_disabled+0x48/0x200 [ 256.839719] ? __lock_is_held+0xb5/0x140 [ 256.843797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.849339] ? check_preemption_disabled+0x48/0x200 [ 256.854364] run_timer_softirq+0x52/0xb0 [ 256.858441] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.863471] __do_softirq+0x30b/0xad8 [ 256.867283] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.872391] ? pvclock_read_flags+0x160/0x160 [ 256.876886] ? lapic_next_event+0x5a/0x90 [ 256.881034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.886572] ? check_preemption_disabled+0x48/0x200 [ 256.891598] ? check_preemption_disabled+0x48/0x200 [ 256.896648] ? kvm_clock_read+0x18/0x30 [ 256.900627] ? kvm_sched_clock_read+0x9/0x20 [ 256.905041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.910587] ? check_preemption_disabled+0x48/0x200 [ 256.915611] irq_exit+0x17f/0x1c0 [ 256.919064] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.923906] ? smp_reschedule_interrupt+0x109/0x650 [ 256.928926] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.934809] ? interrupt_entry+0xb5/0xf0 [ 256.938872] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.943886] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.948904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.953756] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.958788] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.963804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.969342] ? check_preemption_disabled+0x48/0x200 [ 256.974359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.979905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.984777] apic_timer_interrupt+0xf/0x20 [ 256.989019] [ 256.991264] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.996193] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 257.015099] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 257.022811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.030081] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 257.037349] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 257.044626] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.051893] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 257.059208] skb_clone+0x1bb/0x500 [ 257.062756] ? finish_task_switch+0x1b5/0x900 [ 257.067259] ? skb_split+0x11e0/0x11e0 [ 257.071150] ? preempt_notifier_register+0x200/0x200 [ 257.076255] ? __switch_to_asm+0x34/0x70 [ 257.080324] ? __switch_to_asm+0x34/0x70 [ 257.084382] ? __switch_to_asm+0x40/0x70 [ 257.088455] ? __switch_to_asm+0x34/0x70 [ 257.092537] ? __switch_to_asm+0x40/0x70 [ 257.096607] ? __switch_to_asm+0x34/0x70 [ 257.100676] ? __switch_to_asm+0x40/0x70 [ 257.104734] ? __switch_to_asm+0x34/0x70 [ 257.108822] ? __switch_to_asm+0x34/0x70 [ 257.112885] ? __switch_to_asm+0x40/0x70 [ 257.116943] ? __switch_to_asm+0x34/0x70 [ 257.121036] bpf_clone_redirect+0xb9/0x490 [ 257.125279] ? __schedule+0x874/0x1ed0 [ 257.129183] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 257.134202] ? __sched_text_start+0x8/0x8 [ 257.138359] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.143127] ? find_held_lock+0x36/0x1c0 [ 257.147195] ? lock_acquire+0x1ed/0x520 [ 257.151505] ? bpf_test_run+0x32e/0x5a0 [ 257.155485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.161024] ? check_preemption_disabled+0x48/0x200 [ 257.166046] ? kasan_check_read+0x11/0x20 [ 257.170196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.175477] ? rcu_bh_qs+0xc0/0xc0 [ 257.179021] ? preempt_schedule+0x4d/0x60 [ 257.183168] ? ___preempt_schedule+0x16/0x18 [ 257.187591] ? bpf_test_run+0x1c0/0x5a0 [ 257.191581] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.195997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.201538] ? bpf_test_init.isra.9+0x70/0x100 [ 257.206126] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.210890] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.215742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.221278] ? fput+0x130/0x1a0 [ 257.224576] ? __bpf_prog_get+0x9b/0x290 [ 257.228643] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.233482] ? bpf_prog_test_run+0x130/0x1a0 [ 257.237913] ? __x64_sys_bpf+0x3d8/0x510 [ 257.241976] ? bpf_prog_get+0x20/0x20 [ 257.245800] ? do_syscall_64+0x1b9/0x820 [ 257.249868] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.255245] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.260174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.265020] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.270041] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.275060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.280083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.284951] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.290325] warn_alloc_show_mem: 1 callbacks suppressed [ 257.290336] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 257.290338] Mem-Info: [ 257.290367] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 257.290367] active_file:13 inactive_file:14 isolated_file:0 [ 257.290367] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.290367] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 257.290367] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 257.290367] free:13777 free_pcp:213 free_cma:0 [ 257.295710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.302488] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.304890] Call Trace: [ 257.337769] Node 0 [ 257.347125] dump_stack+0x1c4/0x2b4 [ 257.374639] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.377202] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.379421] lowmem_reserve[]: 0 [ 257.383067] warn_alloc.cold.119+0xb7/0x1bd [ 257.408534] 2819 6323 [ 257.413760] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.417026] 6323 [ 257.421352] ? lock_downgrade+0x900/0x900 [ 257.423826] Node 0 [ 257.428669] ? trace_hardirqs_off+0xb8/0x310 [ 257.430736] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.434897] ? trace_hardirqs_off+0xb8/0x310 [ 257.437121] lowmem_reserve[]: 0 [ 257.441543] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.468489] 0 3503 [ 257.472942] ? warn_alloc+0x120/0x120 [ 257.476167] 3503 [ 257.481015] ? warn_alloc+0x120/0x120 [ 257.483231] Node 0 [ 257.487028] ? print_usage_bug+0xc0/0xc0 [ 257.489097] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 257.492871] ? warn_alloc+0x120/0x120 [ 257.495079] lowmem_reserve[]: 0 [ 257.499149] ? print_usage_bug+0xc0/0xc0 [ 257.527400] 0 0 [ 257.531222] ? __lock_acquire+0x7ec/0x4ec0 [ 257.534488] 0 [ 257.538560] ? __lock_acquire+0x7ec/0x4ec0 [ 257.544780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.546560] Node 0 [ 257.550791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.556306] DMA: [ 257.558551] ? should_fail+0x22d/0xd01 [ 257.564082] 1*4kB [ 257.566154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.570020] (U) [ 257.572168] ? __lock_acquire+0x7ec/0x4ec0 [ 257.577256] 0*8kB [ 257.579228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.583458] 0*16kB 1*32kB [ 257.585620] ? __lock_acquire+0x7ec/0x4ec0 [ 257.590700] (U) [ 257.593548] ? should_fail+0x22d/0xd01 [ 257.597762] 2*64kB [ 257.599744] ? mark_held_locks+0x130/0x130 [ 257.603602] (U) [ 257.605867] ? mark_held_locks+0x130/0x130 [ 257.610077] 1*128kB (U) [ 257.612063] ? mark_held_locks+0xc7/0x130 [ 257.616277] 1*256kB [ 257.618947] ? print_usage_bug+0xc0/0xc0 [ 257.623074] (U) [ 257.625398] ? graph_lock+0x170/0x170 [ 257.629445] 0*512kB [ 257.631417] ? print_usage_bug+0xc0/0xc0 [ 257.635201] 1*1024kB [ 257.637523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.641563] (U) [ 257.643987] ? check_preemption_disabled+0x48/0x200 [ 257.649493] 1*2048kB (M) [ 257.651497] ? check_preemption_disabled+0x48/0x200 [ 257.656488] 3*4096kB [ 257.659276] ? __lock_is_held+0xb5/0x140 [ 257.664263] (M) [ 257.666672] __alloc_pages_nodemask+0xa80/0xde0 [ 257.670717] = 15908kB [ 257.670730] Node 0 DMA32: [ 257.672708] ? graph_lock+0x170/0x170 [ 257.677363] 4*4kB [ 257.679781] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.682597] (M) 1*8kB [ 257.686487] ? graph_lock+0x170/0x170 [ 257.686512] ? find_held_lock+0x36/0x1c0 [ 257.688638] (U) [ 257.693666] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.696134] 3*16kB (UM) [ 257.699943] ? lock_downgrade+0x900/0x900 [ 257.703985] 3*32kB [ 257.705985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.710627] (UM) [ 257.713299] cache_grow_begin+0x91/0x8c0 [ 257.717417] 5*64kB (UM) [ 257.719673] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.725186] 3*128kB [ 257.727249] fallback_alloc+0x203/0x2e0 [ 257.731285] (M) [ 257.733959] ____cache_alloc_node+0x1c7/0x1e0 [ 257.738342] 3*256kB [ 257.740665] kmem_cache_alloc_node+0xe3/0x730 [ 257.744607] (M) 4*512kB [ 257.746610] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.751082] (UM) [ 257.753424] __alloc_skb+0x119/0x770 [ 257.757918] 3*1024kB (UM) [ 257.760602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.764810] 1*2048kB (M) [ 257.766896] ? skb_scrub_packet+0x490/0x490 [ 257.770585] 4*4096kB (M) [ 257.773463] ? lock_downgrade+0x900/0x900 [ 257.779076] = 25192kB [ 257.779085] Node 0 [ 257.781848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.786147] Normal: [ 257.788912] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.793040] 824*4kB [ 257.795469] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.797673] (MEH) 371*8kB [ 257.803230] ? addrconf_rs_timer+0x690/0x690 [ 257.805537] (ME) [ 257.810998] ndisc_alloc_skb+0x144/0x340 [ 257.813290] 164*16kB (ME) [ 257.818795] ndisc_send_rs+0x331/0x6e0 [ 257.821611] 69*32kB (UMEH) [ 257.826055] addrconf_rs_timer+0x314/0x690 [ 257.828082] 28*64kB [ 257.832142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.834966] (M) [ 257.838868] call_timer_fn+0x272/0x920 [ 257.841772] 1*128kB [ 257.846011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.848315] (M) [ 257.852759] ? process_timeout+0x40/0x40 [ 257.854721] 0*256kB [ 257.858625] ? find_held_lock+0x36/0x1c0 [ 257.860927] 0*512kB [ 257.865163] ? __run_timers+0x7da/0xc70 [ 257.867119] 1*1024kB (H) [ 257.871199] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.873501] 0*2048kB [ 257.877562] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.879866] 0*4096kB [ 257.883837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.886581] = 14040kB [ 257.891078] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.893476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.897966] ? trace_hardirqs_on+0xbd/0x310 [ 257.900372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.904596] ? kasan_check_read+0x11/0x20 [ 257.906990] 146 total pagecache pages [ 257.911571] ? __run_timers+0x7da/0xc70 [ 257.920386] 0 pages in swap cache [ 257.924700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.933255] Swap cache stats: add 0, delete 0, find 0/0 [ 257.933265] Free swap = 0kB [ 257.937414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.941183] Total swap = 0kB [ 257.941192] 1965979 pages RAM [ 257.945184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.948625] 0 pages HighMem/MovableOnly [ 257.948633] 342307 pages reserved [ 257.954111] __run_timers+0x7e5/0xc70 [ 257.959459] 0 pages cma reserved [ 257.962473] ? find_held_lock+0x36/0x1c0 [ 257.966763] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.969709] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.969730] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.969746] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.972890] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.977069] ? lockdep_hardirqs_on+0x421/0x5c0 [ 257.981048] syz-executor3 cpuset= [ 257.984517] ? trace_hardirqs_on+0xbd/0x310 [ 257.988310] syz3 [ 257.991686] ? kasan_check_read+0x11/0x20 [ 257.995738] mems_allowed=0 [ 258.048463] ? finish_task_switch+0x1f5/0x900 [ 258.052965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.058429] ? compat_start_thread+0x80/0x80 [ 258.062876] ? pvclock_read_flags+0x160/0x160 [ 258.067375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.072914] ? check_preemption_disabled+0x48/0x200 [ 258.077939] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 258.083481] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.088759] ? rcu_pm_notify+0xc0/0xc0 [ 258.092648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.098204] ? check_preemption_disabled+0x48/0x200 [ 258.103232] run_timer_softirq+0x52/0xb0 [ 258.107296] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.112312] __do_softirq+0x30b/0xad8 [ 258.116121] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.121222] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.125997] ? schedule+0x108/0x460 [ 258.129657] ? trace_hardirqs_off+0xb8/0x310 [ 258.134072] ? smpboot_thread_fn+0x68b/0xa00 [ 258.138494] ? trace_hardirqs_on+0x310/0x310 [ 258.142920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.148468] ? check_preemption_disabled+0x48/0x200 [ 258.153494] ? takeover_tasklets+0xa90/0xa90 [ 258.157921] run_ksoftirqd+0x94/0x100 [ 258.161733] smpboot_thread_fn+0x68b/0xa00 [ 258.165985] ? sort_range+0x30/0x30 [ 258.169615] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.174721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.180268] ? __kthread_parkme+0xfb/0x1a0 [ 258.184508] kthread+0x35a/0x420 [ 258.187897] ? sort_range+0x30/0x30 [ 258.191530] ? kthread_bind+0x40/0x40 [ 258.195340] ret_from_fork+0x3a/0x50 [ 258.199079] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 258.199155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.206273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.206283] Call Trace: [ 258.212873] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.222128] [ 258.224702] ksoftirqd/0 cpuset= [ 258.235020] dump_stack+0x1c4/0x2b4 [ 258.237149] / [ 258.240426] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.244050] mems_allowed=0 [ 258.245773] warn_alloc.cold.119+0xb7/0x1bd [ 258.258178] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.263030] ? lock_downgrade+0x900/0x900 [ 258.267201] ? trace_hardirqs_off+0xb8/0x310 [ 258.271624] ? trace_hardirqs_off+0xb8/0x310 [ 258.276055] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.280965] ? warn_alloc+0x120/0x120 [ 258.284776] ? warn_alloc+0x120/0x120 [ 258.288596] ? print_usage_bug+0xc0/0xc0 [ 258.292660] ? warn_alloc+0x120/0x120 [ 258.296477] ? print_usage_bug+0xc0/0xc0 [ 258.300558] ? __lock_acquire+0x7ec/0x4ec0 [ 258.304808] ? __lock_acquire+0x7ec/0x4ec0 [ 258.309045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.314590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.320151] ? should_fail+0x22d/0xd01 [ 258.324043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.329149] ? __lock_acquire+0x7ec/0x4ec0 [ 258.333393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.338514] ? __lock_acquire+0x7ec/0x4ec0 [ 258.342757] ? should_fail+0x22d/0xd01 [ 258.346669] ? mark_held_locks+0x130/0x130 [ 258.350910] ? mark_held_locks+0x130/0x130 [ 258.355149] ? graph_lock+0x170/0x170 [ 258.358951] ? print_usage_bug+0xc0/0xc0 [ 258.363011] ? graph_lock+0x170/0x170 [ 258.366815] ? print_usage_bug+0xc0/0xc0 [ 258.370881] ? wq_watchdog_touch+0x9c/0xfe [ 258.375116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.380657] ? check_preemption_disabled+0x48/0x200 [ 258.385686] ? check_preemption_disabled+0x48/0x200 [ 258.390711] ? __lock_is_held+0xb5/0x140 [ 258.394781] __alloc_pages_nodemask+0xa80/0xde0 [ 258.399468] ? graph_lock+0x170/0x170 [ 258.403276] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.408294] ? graph_lock+0x170/0x170 [ 258.412109] ? find_held_lock+0x36/0x1c0 [ 258.416179] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.420853] ? lock_downgrade+0x900/0x900 [ 258.425009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.430552] cache_grow_begin+0x91/0x8c0 [ 258.434622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.439043] fallback_alloc+0x203/0x2e0 [ 258.443030] ____cache_alloc_node+0x1c7/0x1e0 [ 258.447563] kmem_cache_alloc_node+0xe3/0x730 [ 258.452100] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.456357] __alloc_skb+0x119/0x770 [ 258.460100] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.465404] ? skb_scrub_packet+0x490/0x490 [ 258.469732] ? lock_downgrade+0x900/0x900 [ 258.473895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.479444] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.484918] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.490373] ? addrconf_rs_timer+0x690/0x690 [ 258.494801] ndisc_alloc_skb+0x144/0x340 [ 258.498876] ndisc_send_rs+0x331/0x6e0 [ 258.502772] addrconf_rs_timer+0x314/0x690 [ 258.507040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.511287] call_timer_fn+0x272/0x920 [ 258.515175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.519416] ? process_timeout+0x40/0x40 [ 258.523488] ? find_held_lock+0x36/0x1c0 [ 258.527564] ? __run_timers+0x7da/0xc70 [ 258.531545] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.536042] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.540537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.544782] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.549366] ? trace_hardirqs_on+0xbd/0x310 [ 258.553702] ? kasan_check_read+0x11/0x20 [ 258.557865] ? __run_timers+0x7da/0xc70 [ 258.561853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.567310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.571584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.575823] __run_timers+0x7e5/0xc70 [ 258.579642] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.585010] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.590031] ? graph_lock+0x170/0x170 [ 258.593850] ? enqueue_hrtimer+0x1a5/0x560 [ 258.598086] ? lock_release+0x970/0x970 [ 258.602086] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.607286] ? find_held_lock+0x36/0x1c0 [ 258.611367] ? graph_lock+0x170/0x170 [ 258.615180] ? pvclock_read_flags+0x160/0x160 [ 258.619677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.625219] ? check_preemption_disabled+0x48/0x200 [ 258.630273] ? __lock_is_held+0xb5/0x140 [ 258.634336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.639899] ? check_preemption_disabled+0x48/0x200 [ 258.644923] run_timer_softirq+0x52/0xb0 [ 258.648985] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.654004] __do_softirq+0x30b/0xad8 [ 258.657868] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.662979] ? pvclock_read_flags+0x160/0x160 [ 258.667476] ? lapic_next_event+0x5a/0x90 [ 258.671636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.677177] ? check_preemption_disabled+0x48/0x200 [ 258.682199] ? check_preemption_disabled+0x48/0x200 [ 258.687243] ? kvm_clock_read+0x18/0x30 [ 258.691235] ? kvm_sched_clock_read+0x9/0x20 [ 258.695669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.701239] ? check_preemption_disabled+0x48/0x200 [ 258.706296] irq_exit+0x17f/0x1c0 [ 258.709752] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.714597] ? smp_reschedule_interrupt+0x109/0x650 [ 258.719635] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.725525] ? interrupt_entry+0xb5/0xf0 [ 258.729592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.734613] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.739657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.744503] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.749521] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.754547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.760083] ? check_preemption_disabled+0x48/0x200 [ 258.765115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.770691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.775568] apic_timer_interrupt+0xf/0x20 [ 258.779797] [ 258.782039] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.786969] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 258.806354] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.814067] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.821347] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 258.828615] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 258.835885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 258.843155] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 258.850469] skb_clone+0x1bb/0x500 [ 258.854017] ? finish_task_switch+0x1b5/0x900 [ 258.858518] ? skb_split+0x11e0/0x11e0 [ 258.862465] ? preempt_notifier_register+0x200/0x200 [ 258.867568] ? __switch_to_asm+0x34/0x70 [ 258.871626] ? __switch_to_asm+0x34/0x70 [ 258.875698] ? __switch_to_asm+0x40/0x70 [ 258.879759] ? __switch_to_asm+0x34/0x70 [ 258.883844] ? __switch_to_asm+0x40/0x70 [ 258.887903] ? __switch_to_asm+0x34/0x70 [ 258.891960] ? __switch_to_asm+0x40/0x70 [ 258.896040] ? __switch_to_asm+0x34/0x70 [ 258.900107] ? __switch_to_asm+0x34/0x70 [ 258.904169] ? __switch_to_asm+0x40/0x70 [ 258.908234] ? __switch_to_asm+0x34/0x70 [ 258.912304] bpf_clone_redirect+0xb9/0x490 [ 258.916544] ? __schedule+0x874/0x1ed0 [ 258.920447] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 258.925484] ? __sched_text_start+0x8/0x8 [ 258.929639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.934422] ? find_held_lock+0x36/0x1c0 [ 258.938502] ? lock_acquire+0x1ed/0x520 [ 258.942484] ? bpf_test_run+0x32e/0x5a0 [ 258.946513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.952051] ? check_preemption_disabled+0x48/0x200 [ 258.957067] ? kasan_check_read+0x11/0x20 [ 258.961237] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.966527] ? rcu_bh_qs+0xc0/0xc0 [ 258.970081] ? preempt_schedule+0x4d/0x60 [ 258.974235] ? ___preempt_schedule+0x16/0x18 [ 258.978652] ? bpf_test_run+0x1c0/0x5a0 [ 258.982643] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.987065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.992602] ? bpf_test_init.isra.9+0x70/0x100 [ 258.997189] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.001955] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.006798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.012331] ? fput+0x130/0x1a0 [ 259.015624] ? __bpf_prog_get+0x9b/0x290 [ 259.019687] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.024524] ? bpf_prog_test_run+0x130/0x1a0 [ 259.028940] ? __x64_sys_bpf+0x3d8/0x510 [ 259.033002] ? bpf_prog_get+0x20/0x20 [ 259.036829] ? do_syscall_64+0x1b9/0x820 [ 259.040896] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.046272] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.051198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.056051] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.061069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.066088] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.071111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.075966] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.081347] warn_alloc_show_mem: 1 callbacks suppressed [ 259.081359] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 259.081361] Mem-Info: [ 259.081392] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 259.081392] active_file:13 inactive_file:14 isolated_file:0 [ 259.081392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.081392] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 259.081392] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 259.081392] free:13777 free_pcp:213 free_cma:0 [ 259.086746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.086755] Call Trace: [ 259.093520] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.095936] dump_stack+0x1c4/0x2b4 [ 259.128792] Node 0 [ 259.138162] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.140745] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 259.168235] warn_alloc.cold.119+0xb7/0x1bd [ 259.171842] lowmem_reserve[]: [ 259.174094] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.179251] 0 2819 [ 259.204771] ? lock_downgrade+0x900/0x900 [ 259.209073] 6323 [ 259.212183] ? trace_hardirqs_off+0xb8/0x310 [ 259.217010] 6323 [ 259.219260] ? trace_hardirqs_off+0xb8/0x310 [ 259.225461] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.229843] Node 0 [ 259.231942] ? warn_alloc+0x120/0x120 [ 259.236326] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 259.241145] ? warn_alloc+0x120/0x120 [ 259.243362] lowmem_reserve[]: [ 259.247159] ? print_usage_bug+0xc0/0xc0 [ 259.274117] 0 [ 259.277933] ? warn_alloc+0x120/0x120 [ 259.281012] 0 [ 259.285071] ? print_usage_bug+0xc0/0xc0 [ 259.286851] 3503 [ 259.290669] ? __lock_acquire+0x7ec/0x4ec0 [ 259.292457] 3503 [ 259.296521] ? __lock_acquire+0x7ec/0x4ec0 [ 259.298576] Node 0 [ 259.302807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.304875] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 259.309119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.311333] lowmem_reserve[]: [ 259.316869] ? should_fail+0x22d/0xd01 [ 259.345130] 0 0 [ 259.350689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.353768] 0 [ 259.357660] ? __lock_acquire+0x7ec/0x4ec0 [ 259.359617] 0 [ 259.364735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.370742] ? __lock_acquire+0x7ec/0x4ec0 [ 259.372520] Node 0 [ 259.377621] ? should_fail+0x22d/0xd01 [ 259.381854] DMA: 1*4kB [ 259.384131] ? mark_held_locks+0x130/0x130 [ 259.388023] (U) [ 259.390607] ? mark_held_locks+0x130/0x130 [ 259.394818] 0*8kB 0*16kB [ 259.396825] ? mark_held_locks+0xc7/0x130 [ 259.401043] 1*32kB [ 259.403809] ? print_usage_bug+0xc0/0xc0 [ 259.407934] (U) [ 259.410170] ? graph_lock+0x170/0x170 [ 259.414231] 2*64kB [ 259.416217] ? print_usage_bug+0xc0/0xc0 [ 259.420003] (U) [ 259.422251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.426291] 1*128kB [ 259.428265] ? check_preemption_disabled+0x48/0x200 [ 259.433776] (U) [ 259.436095] ? check_preemption_disabled+0x48/0x200 [ 259.441084] 1*256kB (U) [ 259.443090] ? __lock_is_held+0xb5/0x140 [ 259.448082] 0*512kB [ 259.450759] __alloc_pages_nodemask+0xa80/0xde0 [ 259.454795] 1*1024kB [ 259.457116] ? graph_lock+0x170/0x170 [ 259.461774] (U) [ 259.464182] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.467965] 1*2048kB [ 259.469940] ? graph_lock+0x170/0x170 [ 259.474932] (M) [ 259.477345] ? find_held_lock+0x36/0x1c0 [ 259.481120] 3*4096kB [ 259.483109] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.487145] (M) [ 259.489554] ? lock_downgrade+0x900/0x900 [ 259.494215] = 15908kB [ 259.496191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.500312] Node 0 [ 259.502730] cache_grow_begin+0x91/0x8c0 [ 259.508253] DMA32: [ 259.510496] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.514550] 4*4kB [ 259.516789] fallback_alloc+0x203/0x2e0 [ 259.521175] (M) [ 259.523329] ____cache_alloc_node+0x1c7/0x1e0 [ 259.527289] 1*8kB (U) [ 259.529298] kmem_cache_alloc_node+0xe3/0x730 [ 259.533770] 3*16kB [ 259.536270] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.540743] (UM) [ 259.542981] __alloc_skb+0x119/0x770 [ 259.547188] 3*32kB [ 259.549244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.549263] ? skb_scrub_packet+0x490/0x490 [ 259.552969] (UM) [ 259.555208] ? lock_downgrade+0x900/0x900 [ 259.560479] 5*64kB [ 259.564814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.566860] (UM) [ 259.571009] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.573230] 3*128kB [ 259.578763] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.580804] (M) [ 259.586251] ? addrconf_rs_timer+0x690/0x690 [ 259.588554] 3*256kB [ 259.594010] ndisc_alloc_skb+0x144/0x340 [ 259.595956] (M) [ 259.600376] ndisc_send_rs+0x331/0x6e0 [ 259.602678] 4*512kB [ 259.606746] addrconf_rs_timer+0x314/0x690 [ 259.608686] (UM) 3*1024kB [ 259.612587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.614888] (UM) [ 259.619133] call_timer_fn+0x272/0x920 [ 259.621948] 1*2048kB [ 259.626183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.628232] (M) [ 259.632117] ? process_timeout+0x40/0x40 [ 259.634505] 4*4096kB [ 259.638743] ? find_held_lock+0x36/0x1c0 [ 259.640697] (M) [ 259.644767] ? __run_timers+0x7da/0xc70 [ 259.647152] = 25192kB [ 259.651211] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.653170] Node 0 [ 259.657137] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.659536] Normal: [ 259.664033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.666253] 824*4kB [ 259.670746] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.673043] (MEH) [ 259.677287] ? trace_hardirqs_on+0xbd/0x310 [ 259.679613] 371*8kB [ 259.684208] ? kasan_check_read+0x11/0x20 [ 259.684246] ? __run_timers+0x7da/0xc70 [ 259.686430] (ME) 164*16kB (ME) 69*32kB (UMEH) [ 259.690786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.693088] 28*64kB [ 259.697232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.701181] (M) 1*128kB [ 259.705770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.711197] (M) [ 259.713522] __run_timers+0x7e5/0xc70 [ 259.717740] 0*256kB [ 259.720411] ? find_held_lock+0x36/0x1c0 [ 259.724627] 0*512kB [ 259.726611] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.730403] 1*1024kB [ 259.732733] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.736768] (H) [ 259.739105] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.744476] 0*2048kB [ 259.746884] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.751360] 0*4096kB [ 259.753342] ? trace_hardirqs_on+0xbd/0x310 [ 259.757817] = 14040kB [ 259.760223] ? kasan_check_read+0x11/0x20 [ 259.764828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.767236] ? finish_task_switch+0x1f5/0x900 [ 259.771548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.773958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.778101] 146 total pagecache pages [ 259.786936] ? compat_start_thread+0x80/0x80 [ 259.791423] 0 pages in swap cache [ 259.800020] ? pvclock_read_flags+0x160/0x160 [ 259.805445] Swap cache stats: add 0, delete 0, find 0/0 [ 259.809262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.813664] Free swap = 0kB [ 259.817139] ? check_preemption_disabled+0x48/0x200 [ 259.821614] Total swap = 0kB [ 259.827013] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 259.832554] 1965979 pages RAM [ 259.835577] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.840571] 0 pages HighMem/MovableOnly [ 259.843600] ? rcu_pm_notify+0xc0/0xc0 [ 259.849126] 342307 pages reserved [ 259.852228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.857496] 0 pages cma reserved [ 259.861475] ? check_preemption_disabled+0x48/0x200 [ 259.865398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.868784] run_timer_softirq+0x52/0xb0 [ 259.868799] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.868818] __do_softirq+0x30b/0xad8 [ 259.874392] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.877708] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.882700] syz-executor3 cpuset= [ 259.889199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.893243] syz3 [ 259.898260] ? schedule+0x108/0x460 [ 259.902042] mems_allowed=0 [ 259.912542] ? trace_hardirqs_off+0xb8/0x310 [ 259.938718] ? smpboot_thread_fn+0x68b/0xa00 [ 259.943177] ? trace_hardirqs_on+0x310/0x310 [ 259.947594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.953141] ? check_preemption_disabled+0x48/0x200 [ 259.958165] ? takeover_tasklets+0xa90/0xa90 [ 259.962583] run_ksoftirqd+0x94/0x100 [ 259.966417] smpboot_thread_fn+0x68b/0xa00 [ 259.970670] ? sort_range+0x30/0x30 [ 259.974300] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.979415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.984969] ? __kthread_parkme+0xfb/0x1a0 [ 259.989226] kthread+0x35a/0x420 [ 259.992597] ? sort_range+0x30/0x30 [ 259.996233] ? kthread_bind+0x40/0x40 [ 260.000073] ret_from_fork+0x3a/0x50 [ 260.003808] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 260.003882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.011000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.011006] Call Trace: [ 260.011012] [ 260.011032] dump_stack+0x1c4/0x2b4 [ 260.011051] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.017704] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.026903] warn_alloc.cold.119+0xb7/0x1bd [ 260.029490] ksoftirqd/0 cpuset= [ 260.031639] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.035262] / [ 260.040463] ? lock_downgrade+0x900/0x900 [ 260.050754] mems_allowed=0 [ 260.055074] ? trace_hardirqs_off+0xb8/0x310 [ 260.076341] ? trace_hardirqs_off+0xb8/0x310 [ 260.080776] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.085657] ? warn_alloc+0x120/0x120 [ 260.089474] ? warn_alloc+0x120/0x120 [ 260.093281] ? print_usage_bug+0xc0/0xc0 [ 260.097363] ? warn_alloc+0x120/0x120 [ 260.101191] ? print_usage_bug+0xc0/0xc0 [ 260.105271] ? __lock_acquire+0x7ec/0x4ec0 [ 260.109525] ? __lock_acquire+0x7ec/0x4ec0 [ 260.113766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.119305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.124849] ? should_fail+0x22d/0xd01 [ 260.128745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.133850] ? __lock_acquire+0x7ec/0x4ec0 [ 260.138096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.143197] ? __lock_acquire+0x7ec/0x4ec0 [ 260.147452] ? should_fail+0x22d/0xd01 [ 260.151361] ? mark_held_locks+0x130/0x130 [ 260.155607] ? mark_held_locks+0x130/0x130 [ 260.159849] ? graph_lock+0x170/0x170 [ 260.163653] ? print_usage_bug+0xc0/0xc0 [ 260.167716] ? graph_lock+0x170/0x170 [ 260.171520] ? print_usage_bug+0xc0/0xc0 [ 260.175583] ? wq_watchdog_touch+0x9c/0xfe [ 260.179830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.185401] ? check_preemption_disabled+0x48/0x200 [ 260.190428] ? check_preemption_disabled+0x48/0x200 [ 260.195474] ? __lock_is_held+0xb5/0x140 [ 260.199545] __alloc_pages_nodemask+0xa80/0xde0 [ 260.204218] ? graph_lock+0x170/0x170 [ 260.208033] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.213058] ? graph_lock+0x170/0x170 [ 260.216871] ? find_held_lock+0x36/0x1c0 [ 260.220946] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.225618] ? lock_downgrade+0x900/0x900 [ 260.229782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.235328] cache_grow_begin+0x91/0x8c0 [ 260.239393] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.243823] fallback_alloc+0x203/0x2e0 [ 260.247811] ____cache_alloc_node+0x1c7/0x1e0 [ 260.252316] kmem_cache_alloc_node+0xe3/0x730 [ 260.256818] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.261063] __alloc_skb+0x119/0x770 [ 260.264795] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.270089] ? skb_scrub_packet+0x490/0x490 [ 260.274412] ? lock_downgrade+0x900/0x900 [ 260.278581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.284135] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.289589] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.295043] ? addrconf_rs_timer+0x690/0x690 [ 260.299473] ndisc_alloc_skb+0x144/0x340 [ 260.303548] ndisc_send_rs+0x331/0x6e0 [ 260.307453] addrconf_rs_timer+0x314/0x690 [ 260.311700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.315952] call_timer_fn+0x272/0x920 [ 260.319842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.324080] ? process_timeout+0x40/0x40 [ 260.328142] ? find_held_lock+0x36/0x1c0 [ 260.332213] ? __run_timers+0x7da/0xc70 [ 260.336205] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.340707] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.345203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.349455] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.354050] ? trace_hardirqs_on+0xbd/0x310 [ 260.358373] ? kasan_check_read+0x11/0x20 [ 260.362523] ? __run_timers+0x7da/0xc70 [ 260.366524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.371994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.376244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.380509] __run_timers+0x7e5/0xc70 [ 260.384350] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.389747] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.394771] ? graph_lock+0x170/0x170 [ 260.398602] ? enqueue_hrtimer+0x1a5/0x560 [ 260.402841] ? lock_release+0x970/0x970 [ 260.406817] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.412026] ? find_held_lock+0x36/0x1c0 [ 260.416110] ? graph_lock+0x170/0x170 [ 260.419912] ? pvclock_read_flags+0x160/0x160 [ 260.424413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.429962] ? check_preemption_disabled+0x48/0x200 [ 260.434992] ? __lock_is_held+0xb5/0x140 [ 260.439055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.444595] ? check_preemption_disabled+0x48/0x200 [ 260.449622] run_timer_softirq+0x52/0xb0 [ 260.453702] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.458722] __do_softirq+0x30b/0xad8 [ 260.462540] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.467649] ? pvclock_read_flags+0x160/0x160 [ 260.472154] ? lapic_next_event+0x5a/0x90 [ 260.476319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.481858] ? check_preemption_disabled+0x48/0x200 [ 260.486874] ? check_preemption_disabled+0x48/0x200 [ 260.491912] ? kvm_clock_read+0x18/0x30 [ 260.495885] ? kvm_sched_clock_read+0x9/0x20 [ 260.500297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.505847] ? check_preemption_disabled+0x48/0x200 [ 260.510877] irq_exit+0x17f/0x1c0 [ 260.514336] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.519181] ? smp_reschedule_interrupt+0x109/0x650 [ 260.524222] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.530111] ? interrupt_entry+0xb5/0xf0 [ 260.534180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.539198] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.544252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.549109] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.554121] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.559135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.564678] ? check_preemption_disabled+0x48/0x200 [ 260.569705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.575254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.580115] apic_timer_interrupt+0xf/0x20 [ 260.584350] [ 260.586605] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.591540] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 260.610473] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.618211] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.625503] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 260.632782] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 260.640067] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.647336] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 260.654665] skb_clone+0x1bb/0x500 [ 260.658210] ? finish_task_switch+0x1b5/0x900 [ 260.662735] ? skb_split+0x11e0/0x11e0 [ 260.666629] ? preempt_notifier_register+0x200/0x200 [ 260.671743] ? __switch_to_asm+0x34/0x70 [ 260.675807] ? __switch_to_asm+0x34/0x70 [ 260.679867] ? __switch_to_asm+0x40/0x70 [ 260.683931] ? __switch_to_asm+0x34/0x70 [ 260.687990] ? __switch_to_asm+0x40/0x70 [ 260.692064] ? __switch_to_asm+0x34/0x70 [ 260.696124] ? __switch_to_asm+0x40/0x70 [ 260.700180] ? __switch_to_asm+0x34/0x70 [ 260.704245] ? __switch_to_asm+0x34/0x70 [ 260.708305] ? __switch_to_asm+0x40/0x70 [ 260.712368] ? __switch_to_asm+0x34/0x70 [ 260.716446] bpf_clone_redirect+0xb9/0x490 [ 260.720692] ? __schedule+0x874/0x1ed0 [ 260.724587] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 260.729607] ? __sched_text_start+0x8/0x8 [ 260.733757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.738538] ? find_held_lock+0x36/0x1c0 [ 260.742605] ? lock_acquire+0x1ed/0x520 [ 260.746578] ? bpf_test_run+0x32e/0x5a0 [ 260.750554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.756090] ? check_preemption_disabled+0x48/0x200 [ 260.761121] ? kasan_check_read+0x11/0x20 [ 260.765273] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.770550] ? rcu_bh_qs+0xc0/0xc0 [ 260.774093] ? preempt_schedule+0x4d/0x60 [ 260.778244] ? ___preempt_schedule+0x16/0x18 [ 260.782662] ? bpf_test_run+0x1c0/0x5a0 [ 260.786648] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.791073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.797079] ? bpf_test_init.isra.9+0x70/0x100 [ 260.801664] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.806446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.811289] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.816826] ? fput+0x130/0x1a0 [ 260.820107] ? __bpf_prog_get+0x9b/0x290 [ 260.824184] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.829027] ? bpf_prog_test_run+0x130/0x1a0 [ 260.833450] ? __x64_sys_bpf+0x3d8/0x510 [ 260.837525] ? bpf_prog_get+0x20/0x20 [ 260.841344] ? do_syscall_64+0x1b9/0x820 [ 260.845417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.850801] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.855741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.860588] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.865605] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.870624] ? prepare_exit_to_usermode+0x291/0x3b0 [ 260.875650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.880515] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.885901] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 260.885907] warn_alloc_show_mem: 1 callbacks suppressed [ 260.885914] Mem-Info: [ 260.892673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.892682] Call Trace: [ 260.898056] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 260.898056] active_file:13 inactive_file:14 isolated_file:0 [ 260.898056] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.898056] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 260.898056] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 260.898056] free:13777 free_pcp:213 free_cma:0 [ 260.900451] dump_stack+0x1c4/0x2b4 [ 260.909821] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.912409] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.945267] Node 0 [ 260.948904] warn_alloc.cold.119+0xb7/0x1bd [ 260.976397] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.981562] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.983778] lowmem_reserve[]: [ 260.988097] ? lock_downgrade+0x900/0x900 [ 261.013570] 0 2819 [ 261.018425] ? trace_hardirqs_off+0xb8/0x310 [ 261.021506] 6323 6323 [ 261.025690] ? trace_hardirqs_off+0xb8/0x310 [ 261.027913] Node 0 [ 261.032353] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.034849] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 261.039270] ? warn_alloc+0x120/0x120 [ 261.041472] lowmem_reserve[]: 0 [ 261.046325] ? warn_alloc+0x120/0x120 [ 261.073273] 0 3503 [ 261.077085] ? print_usage_bug+0xc0/0xc0 [ 261.080343] 3503 [ 261.084141] ? warn_alloc+0x120/0x120 [ 261.086362] Node 0 [ 261.090418] ? print_usage_bug+0xc0/0xc0 [ 261.092500] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 261.096271] ? __lock_acquire+0x7ec/0x4ec0 [ 261.098495] lowmem_reserve[]: [ 261.102565] ? __lock_acquire+0x7ec/0x4ec0 [ 261.130823] 0 0 [ 261.135076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.138158] 0 0 [ 261.142411] ? should_fail+0x22d/0xd01 [ 261.149898] ? __lock_acquire+0x7ec/0x4ec0 [ 261.151857] Node 0 [ 261.155743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.159949] DMA: [ 261.162194] ? __lock_acquire+0x7ec/0x4ec0 [ 261.167289] 1*4kB [ 261.169356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.173568] (U) [ 261.175724] ? __lock_acquire+0x7ec/0x4ec0 [ 261.180804] 0*8kB [ 261.182776] ? should_fail+0x22d/0xd01 [ 261.186993] 0*16kB [ 261.189144] ? mark_held_locks+0x130/0x130 [ 261.193004] 1*32kB [ 261.195256] ? mark_held_locks+0x130/0x130 [ 261.199472] (U) [ 261.201712] ? graph_lock+0x170/0x170 [ 261.205928] 2*64kB [ 261.207903] ? print_usage_bug+0xc0/0xc0 [ 261.211681] (U) [ 261.213915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.217954] 1*128kB [ 261.219928] ? check_preemption_disabled+0x48/0x200 [ 261.225462] (U) [ 261.227786] ? check_preemption_disabled+0x48/0x200 [ 261.232774] 1*256kB (U) [ 261.234773] ? __lock_is_held+0xb5/0x140 [ 261.239756] 0*512kB 1*1024kB [ 261.242448] __alloc_pages_nodemask+0xa80/0xde0 [ 261.246502] (U) [ 261.249615] ? graph_lock+0x170/0x170 [ 261.254262] 1*2048kB [ 261.256236] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.260017] (M) [ 261.262423] ? graph_lock+0x170/0x170 [ 261.267430] 3*4096kB [ 261.269432] ? find_held_lock+0x36/0x1c0 [ 261.273242] (M) [ 261.275661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.279693] = 15908kB [ 261.279702] Node 0 [ 261.281679] ? lock_downgrade+0x900/0x900 [ 261.286318] DMA32: 4*4kB [ 261.288747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.290954] (M) [ 261.295099] cache_grow_begin+0x91/0x8c0 [ 261.297841] 1*8kB [ 261.303374] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.305360] (U) [ 261.309418] fallback_alloc+0x203/0x2e0 [ 261.311546] 3*16kB [ 261.315972] ____cache_alloc_node+0x1c7/0x1e0 [ 261.317928] (UM) [ 261.321901] kmem_cache_alloc_node+0xe3/0x730 [ 261.324130] 3*32kB [ 261.328623] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.330664] (UM) [ 261.335161] __alloc_skb+0x119/0x770 [ 261.337383] 5*64kB [ 261.341613] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.343664] (UM) [ 261.347370] ? skb_scrub_packet+0x490/0x490 [ 261.349586] 3*128kB [ 261.354857] ? lock_downgrade+0x900/0x900 [ 261.356908] (M) [ 261.361237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.363537] 3*256kB (M) [ 261.367690] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.369641] 4*512kB (UM) [ 261.375204] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.377848] 3*1024kB (UM) [ 261.383326] ? addrconf_rs_timer+0x690/0x690 [ 261.386099] 1*2048kB (M) [ 261.391638] ndisc_alloc_skb+0x144/0x340 [ 261.394469] 4*4096kB [ 261.398875] ndisc_send_rs+0x331/0x6e0 [ 261.401634] (M) [ 261.405720] addrconf_rs_timer+0x314/0x690 [ 261.408110] = 25192kB [ 261.408119] Node 0 [ 261.412023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.413978] Normal: [ 261.418235] call_timer_fn+0x272/0x920 [ 261.420625] 824*4kB [ 261.422872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.427087] (MEH) [ 261.429414] ? process_timeout+0x40/0x40 [ 261.433282] 371*8kB [ 261.435607] ? find_held_lock+0x36/0x1c0 [ 261.439824] (ME) [ 261.441975] ? __run_timers+0x7da/0xc70 [ 261.446005] 164*16kB (ME) [ 261.448336] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.452390] 69*32kB [ 261.454464] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.458415] (UMEH) [ 261.461266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.465751] 28*64kB [ 261.468071] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.472571] (M) [ 261.474809] ? trace_hardirqs_on+0xbd/0x310 [ 261.479025] 1*128kB [ 261.481342] ? kasan_check_read+0x11/0x20 [ 261.485904] (M) [ 261.487887] ? __run_timers+0x7da/0xc70 [ 261.492184] 0*256kB 0*512kB [ 261.494516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.498645] 1*1024kB [ 261.500625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.504568] (H) [ 261.507594] __run_timers+0x7e5/0xc70 [ 261.513017] 0*2048kB 0*4096kB [ 261.515455] ? find_held_lock+0x36/0x1c0 [ 261.519669] = 14040kB [ 261.521649] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.525426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.528615] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.532677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.535087] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.540429] 146 total pagecache pages [ 261.549280] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.553757] 0 pages in swap cache [ 261.562325] ? trace_hardirqs_on+0xbd/0x310 [ 261.566795] Swap cache stats: add 0, delete 0, find 0/0 [ 261.566805] Free swap = 0kB [ 261.570600] ? kasan_check_read+0x11/0x20 [ 261.575163] Total swap = 0kB [ 261.578615] ? finish_task_switch+0x1f5/0x900 [ 261.582920] 1965979 pages RAM [ 261.588281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.591285] 0 pages HighMem/MovableOnly [ 261.591294] 342307 pages reserved [ 261.595452] ? compat_start_thread+0x80/0x80 [ 261.598481] 0 pages cma reserved [ 261.602996] ? pvclock_read_flags+0x160/0x160 [ 261.606181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.611514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.611530] ? check_preemption_disabled+0x48/0x200 [ 261.611553] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 261.615563] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.618973] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.623368] syz-executor3 cpuset= [ 261.626744] ? rcu_pm_notify+0xc0/0xc0 [ 261.631216] syz3 [ 261.637703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.643223] mems_allowed=0 [ 261.648232] ? check_preemption_disabled+0x48/0x200 [ 261.692397] run_timer_softirq+0x52/0xb0 [ 261.696467] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.701487] __do_softirq+0x30b/0xad8 [ 261.705307] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.710414] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.715186] ? schedule+0x108/0x460 [ 261.718824] ? trace_hardirqs_off+0xb8/0x310 [ 261.723232] ? smpboot_thread_fn+0x68b/0xa00 [ 261.727646] ? trace_hardirqs_on+0x310/0x310 [ 261.732058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.737612] ? check_preemption_disabled+0x48/0x200 [ 261.742647] ? takeover_tasklets+0xa90/0xa90 [ 261.747072] run_ksoftirqd+0x94/0x100 [ 261.750874] smpboot_thread_fn+0x68b/0xa00 [ 261.755125] ? sort_range+0x30/0x30 [ 261.758756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.763863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.769416] ? __kthread_parkme+0xfb/0x1a0 [ 261.773673] kthread+0x35a/0x420 [ 261.777039] ? sort_range+0x30/0x30 [ 261.780677] ? kthread_bind+0x40/0x40 [ 261.784483] ret_from_fork+0x3a/0x50 [ 261.788222] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 261.788282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.795417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.795427] Call Trace: [ 261.802003] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.811271] [ 261.813852] ksoftirqd/0 cpuset= [ 261.824161] dump_stack+0x1c4/0x2b4 [ 261.826294] / [ 261.829572] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.833179] mems_allowed=0 [ 261.834900] warn_alloc.cold.119+0xb7/0x1bd [ 261.847316] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.852165] ? lock_downgrade+0x900/0x900 [ 261.856337] ? trace_hardirqs_off+0xb8/0x310 [ 261.860760] ? trace_hardirqs_off+0xb8/0x310 [ 261.865185] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.870060] ? warn_alloc+0x120/0x120 [ 261.873866] ? lock_release+0x970/0x970 [ 261.877853] ? warn_alloc+0x120/0x120 [ 261.881667] ? print_usage_bug+0xc0/0xc0 [ 261.885728] ? warn_alloc+0x120/0x120 [ 261.889539] ? print_usage_bug+0xc0/0xc0 [ 261.893629] ? __lock_acquire+0x7ec/0x4ec0 [ 261.897867] ? __lock_acquire+0x7ec/0x4ec0 [ 261.902130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.907675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.913252] ? should_fail+0x22d/0xd01 [ 261.917150] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.922270] ? __lock_acquire+0x7ec/0x4ec0 [ 261.926511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.931615] ? __lock_acquire+0x7ec/0x4ec0 [ 261.935851] ? should_fail+0x22d/0xd01 [ 261.939753] ? mark_held_locks+0x130/0x130 [ 261.943996] ? mark_held_locks+0x130/0x130 [ 261.948284] ? graph_lock+0x170/0x170 [ 261.952085] ? print_usage_bug+0xc0/0xc0 [ 261.956149] ? graph_lock+0x170/0x170 [ 261.959961] ? print_usage_bug+0xc0/0xc0 [ 261.964032] ? wq_watchdog_touch+0x9c/0xfe [ 261.968284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.973824] ? check_preemption_disabled+0x48/0x200 [ 261.978840] ? check_preemption_disabled+0x48/0x200 [ 261.983868] ? __lock_is_held+0xb5/0x140 [ 261.987942] __alloc_pages_nodemask+0xa80/0xde0 [ 261.992615] ? graph_lock+0x170/0x170 [ 261.996423] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.001452] ? graph_lock+0x170/0x170 [ 262.005277] ? find_held_lock+0x36/0x1c0 [ 262.009358] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.014036] ? lock_downgrade+0x900/0x900 [ 262.018194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.023748] cache_grow_begin+0x91/0x8c0 [ 262.027814] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.032246] fallback_alloc+0x203/0x2e0 [ 262.036236] ____cache_alloc_node+0x1c7/0x1e0 [ 262.040759] kmem_cache_alloc_node+0xe3/0x730 [ 262.045266] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.049526] __alloc_skb+0x119/0x770 [ 262.053246] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.058524] ? skb_scrub_packet+0x490/0x490 [ 262.062849] ? lock_downgrade+0x900/0x900 [ 262.067013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.072553] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.078012] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.083470] ? addrconf_rs_timer+0x690/0x690 [ 262.088265] ndisc_alloc_skb+0x144/0x340 [ 262.092336] ndisc_send_rs+0x331/0x6e0 [ 262.096247] addrconf_rs_timer+0x314/0x690 [ 262.100494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.104753] call_timer_fn+0x272/0x920 [ 262.108644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.112883] ? process_timeout+0x40/0x40 [ 262.116972] ? find_held_lock+0x36/0x1c0 [ 262.121043] ? __run_timers+0x7da/0xc70 [ 262.125072] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.129590] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.134112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.138354] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.142941] ? trace_hardirqs_on+0xbd/0x310 [ 262.147261] ? kasan_check_read+0x11/0x20 [ 262.151409] ? __run_timers+0x7da/0xc70 [ 262.155395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.160853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.165095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.169333] __run_timers+0x7e5/0xc70 [ 262.173148] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.178520] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.183538] ? graph_lock+0x170/0x170 [ 262.187355] ? enqueue_hrtimer+0x1a5/0x560 [ 262.191593] ? lock_release+0x970/0x970 [ 262.195573] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.200790] ? find_held_lock+0x36/0x1c0 [ 262.204859] ? graph_lock+0x170/0x170 [ 262.208663] ? pvclock_read_flags+0x160/0x160 [ 262.213159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.218708] ? check_preemption_disabled+0x48/0x200 [ 262.223736] ? __lock_is_held+0xb5/0x140 [ 262.227805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.233345] ? check_preemption_disabled+0x48/0x200 [ 262.238372] run_timer_softirq+0x52/0xb0 [ 262.242466] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.247501] __do_softirq+0x30b/0xad8 [ 262.251315] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.256425] ? pvclock_read_flags+0x160/0x160 [ 262.260934] ? lapic_next_event+0x5a/0x90 [ 262.265730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.271277] ? check_preemption_disabled+0x48/0x200 [ 262.276296] ? check_preemption_disabled+0x48/0x200 [ 262.281321] ? kvm_clock_read+0x18/0x30 [ 262.285297] ? kvm_sched_clock_read+0x9/0x20 [ 262.289710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.295258] ? check_preemption_disabled+0x48/0x200 [ 262.300295] irq_exit+0x17f/0x1c0 [ 262.303764] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.308621] ? smp_reschedule_interrupt+0x109/0x650 [ 262.313639] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.319524] ? interrupt_entry+0xb5/0xf0 [ 262.323599] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.328619] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.333652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.338501] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.343522] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.348542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.354080] ? check_preemption_disabled+0x48/0x200 [ 262.359107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.364655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.369517] apic_timer_interrupt+0xf/0x20 [ 262.373748] [ 262.375992] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.380923] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 262.399821] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 262.407531] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.414806] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 262.422074] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 262.429340] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.436611] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 262.443913] skb_clone+0x1bb/0x500 [ 262.447462] ? finish_task_switch+0x1b5/0x900 [ 262.451962] ? skb_split+0x11e0/0x11e0 [ 262.455853] ? preempt_notifier_register+0x200/0x200 [ 262.460955] ? __switch_to_asm+0x34/0x70 [ 262.465017] ? __switch_to_asm+0x34/0x70 [ 262.469078] ? __switch_to_asm+0x40/0x70 [ 262.473138] ? __switch_to_asm+0x34/0x70 [ 262.477208] ? __switch_to_asm+0x40/0x70 [ 262.481286] ? __switch_to_asm+0x34/0x70 [ 262.485349] ? __switch_to_asm+0x40/0x70 [ 262.489409] ? __switch_to_asm+0x34/0x70 [ 262.493504] ? __switch_to_asm+0x34/0x70 [ 262.497573] ? __switch_to_asm+0x40/0x70 [ 262.501665] ? __switch_to_asm+0x34/0x70 [ 262.505742] bpf_clone_redirect+0xb9/0x490 [ 262.510007] ? __schedule+0x874/0x1ed0 [ 262.513906] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 262.518928] ? __sched_text_start+0x8/0x8 [ 262.523077] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.527849] ? find_held_lock+0x36/0x1c0 [ 262.531946] ? lock_acquire+0x1ed/0x520 [ 262.535923] ? bpf_test_run+0x32e/0x5a0 [ 262.539901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.545461] ? check_preemption_disabled+0x48/0x200 [ 262.550499] ? kasan_check_read+0x11/0x20 [ 262.554654] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.559932] ? rcu_bh_qs+0xc0/0xc0 [ 262.563482] ? preempt_schedule+0x4d/0x60 [ 262.567657] ? ___preempt_schedule+0x16/0x18 [ 262.572078] ? bpf_test_run+0x1c0/0x5a0 [ 262.576091] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.580506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.586042] ? bpf_test_init.isra.9+0x70/0x100 [ 262.590643] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.595418] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.600281] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.605824] ? fput+0x130/0x1a0 [ 262.609108] ? __bpf_prog_get+0x9b/0x290 [ 262.613171] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.618012] ? bpf_prog_test_run+0x130/0x1a0 [ 262.622462] ? __x64_sys_bpf+0x3d8/0x510 [ 262.626542] ? bpf_prog_get+0x20/0x20 [ 262.630395] ? do_syscall_64+0x1b9/0x820 [ 262.634489] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.639859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.644793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.649642] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.654661] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.659678] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.664713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.669581] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.674958] warn_alloc_show_mem: 1 callbacks suppressed [ 262.674970] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 262.674972] Mem-Info: [ 262.675004] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 262.675004] active_file:13 inactive_file:14 isolated_file:0 [ 262.675004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.675004] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 262.675004] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 262.675004] free:13777 free_pcp:213 free_cma:0 [ 262.680347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.687108] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.689510] Call Trace: [ 262.722377] Node 0 [ 262.731748] dump_stack+0x1c4/0x2b4 [ 262.759263] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.761806] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.764021] lowmem_reserve[]: [ 262.767658] warn_alloc.cold.119+0xb7/0x1bd [ 262.793146] 0 [ 262.798464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.801568] 2819 [ 262.805887] ? lock_downgrade+0x900/0x900 [ 262.807671] 6323 [ 262.812520] ? trace_hardirqs_off+0xb8/0x310 [ 262.814559] 6323 [ 262.818703] ? trace_hardirqs_off+0xb8/0x310 [ 262.825169] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.827211] Node 0 [ 262.831646] ? warn_alloc+0x120/0x120 [ 262.836488] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.838701] ? warn_alloc+0x120/0x120 [ 262.842492] lowmem_reserve[]: [ 262.869493] ? print_usage_bug+0xc0/0xc0 [ 262.873281] 0 [ 262.876397] ? warn_alloc+0x120/0x120 [ 262.880447] 0 [ 262.882260] ? print_usage_bug+0xc0/0xc0 [ 262.886039] 3503 [ 262.887854] ? __lock_acquire+0x7ec/0x4ec0 [ 262.891894] 3503 [ 262.893956] ? __lock_acquire+0x7ec/0x4ec0 [ 262.900230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.904470] Node 0 [ 262.910003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.910052] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 262.912257] ? should_fail+0x22d/0xd01 [ 262.917776] lowmem_reserve[]: [ 262.946057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.949923] 0 [ 262.953046] ? __lock_acquire+0x7ec/0x4ec0 [ 262.958121] 0 0 [ 262.959929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.964140] 0 [ 262.966115] ? __lock_acquire+0x7ec/0x4ec0 [ 262.973001] ? should_fail+0x22d/0xd01 [ 262.977246] Node 0 DMA: 1*4kB (U) [ 262.981192] ? mark_held_locks+0x130/0x130 [ 262.981195] 0*8kB 0*16kB [ 262.984758] ? mark_held_locks+0x130/0x130 [ 262.989001] 1*32kB [ 262.991759] ? mark_held_locks+0xc7/0x130 [ 262.995971] (U) [ 262.998203] ? print_usage_bug+0xc0/0xc0 [ 263.002332] 2*64kB [ 263.004323] ? graph_lock+0x170/0x170 [ 263.008358] (U) [ 263.010592] ? print_usage_bug+0xc0/0xc0 [ 263.014377] 1*128kB [ 263.016357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.020401] (U) [ 263.022724] ? check_preemption_disabled+0x48/0x200 [ 263.028238] 1*256kB (U) [ 263.030245] ? check_preemption_disabled+0x48/0x200 [ 263.035238] 0*512kB 1*1024kB [ 263.037960] ? __lock_is_held+0xb5/0x140 [ 263.042947] (U) [ 263.046054] __alloc_pages_nodemask+0xa80/0xde0 [ 263.050095] 1*2048kB [ 263.052071] ? graph_lock+0x170/0x170 [ 263.056724] (M) [ 263.059154] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.062934] 3*4096kB [ 263.064912] ? graph_lock+0x170/0x170 [ 263.069901] (M) = 15908kB [ 263.072338] ? find_held_lock+0x36/0x1c0 [ 263.076138] Node 0 [ 263.078904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.082948] DMA32: [ 263.085186] ? lock_downgrade+0x900/0x900 [ 263.089843] 4*4kB [ 263.092084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.096208] (M) [ 263.098362] cache_grow_begin+0x91/0x8c0 [ 263.103879] 1*8kB [ 263.105855] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.109891] (U) [ 263.112041] fallback_alloc+0x203/0x2e0 [ 263.116426] 3*16kB [ 263.118409] ____cache_alloc_node+0x1c7/0x1e0 [ 263.122363] (UM) [ 263.124602] kmem_cache_alloc_node+0xe3/0x730 [ 263.129076] 3*32kB [ 263.131137] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.135623] (UM) [ 263.137862] __alloc_skb+0x119/0x770 [ 263.142087] 5*64kB [ 263.144149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.147841] (UM) [ 263.150075] ? skb_scrub_packet+0x490/0x490 [ 263.155331] 3*128kB [ 263.157417] ? lock_downgrade+0x900/0x900 [ 263.161710] (M) 3*256kB [ 263.164052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.168186] (M) [ 263.170856] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.176368] 4*512kB [ 263.178341] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.183770] (UM) [ 263.186101] ? addrconf_rs_timer+0x690/0x690 [ 263.191552] 3*1024kB [ 263.193617] ndisc_alloc_skb+0x144/0x340 [ 263.197992] (UM) [ 263.200411] ndisc_send_rs+0x331/0x6e0 [ 263.204465] 1*2048kB [ 263.206527] addrconf_rs_timer+0x314/0x690 [ 263.210387] (M) [ 263.212811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.217022] 4*4096kB [ 263.219003] call_timer_fn+0x272/0x920 [ 263.223205] (M) [ 263.225614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.229519] = 25192kB [ 263.231494] ? process_timeout+0x40/0x40 [ 263.235713] Node 0 [ 263.238134] ? find_held_lock+0x36/0x1c0 [ 263.242174] Normal: [ 263.244428] ? __run_timers+0x7da/0xc70 [ 263.248493] 824*4kB [ 263.250813] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.254763] (MEH) [ 263.257087] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.261568] 371*8kB [ 263.263717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.268187] (ME) [ 263.270507] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.274719] 164*16kB [ 263.276789] ? trace_hardirqs_on+0xbd/0x310 [ 263.281348] (ME) [ 263.283770] ? kasan_check_read+0x11/0x20 [ 263.288069] 69*32kB [ 263.290134] ? __run_timers+0x7da/0xc70 [ 263.294260] (UMEH) [ 263.296580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.300533] 28*64kB [ 263.302768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.308196] (M) [ 263.310525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.314737] 1*128kB (M) [ 263.316725] __run_timers+0x7e5/0xc70 [ 263.320938] 0*256kB [ 263.323608] ? find_held_lock+0x36/0x1c0 [ 263.327389] 0*512kB [ 263.329738] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.333764] 1*1024kB [ 263.336088] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.341431] (H) 0*2048kB [ 263.343876] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.348354] 0*4096kB [ 263.351119] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.355596] = 14040kB [ 263.355611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.358018] ? trace_hardirqs_on+0xbd/0x310 [ 263.362580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.362589] 146 total pagecache pages [ 263.364999] ? kasan_check_read+0x11/0x20 [ 263.373818] 0 pages in swap cache [ 263.378131] ? finish_task_switch+0x1f5/0x900 [ 263.386683] Swap cache stats: add 0, delete 0, find 0/0 [ 263.386692] Free swap = 0kB [ 263.390492] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.394614] Total swap = 0kB [ 263.398063] ? compat_start_thread+0x80/0x80 [ 263.402539] 1965979 pages RAM [ 263.407918] ? pvclock_read_flags+0x160/0x160 [ 263.410900] 0 pages HighMem/MovableOnly [ 263.410909] 342307 pages reserved [ 263.416362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.419385] 0 pages cma reserved [ 263.423822] ? check_preemption_disabled+0x48/0x200 [ 263.426971] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.431400] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 263.431415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.431432] ? rcu_pm_notify+0xc0/0xc0 [ 263.435475] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.438849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.444363] syz-executor3 cpuset= [ 263.447747] ? check_preemption_disabled+0x48/0x200 [ 263.452741] syz3 [ 263.459241] run_timer_softirq+0x52/0xb0 [ 263.464763] mems_allowed=0 [ 263.470034] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.512303] __do_softirq+0x30b/0xad8 [ 263.516121] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.521253] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.526031] ? schedule+0x108/0x460 [ 263.529674] ? trace_hardirqs_off+0xb8/0x310 [ 263.534093] ? smpboot_thread_fn+0x68b/0xa00 [ 263.538510] ? trace_hardirqs_on+0x310/0x310 [ 263.542924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.548510] ? check_preemption_disabled+0x48/0x200 [ 263.553563] ? takeover_tasklets+0xa90/0xa90 [ 263.557987] run_ksoftirqd+0x94/0x100 [ 263.561833] smpboot_thread_fn+0x68b/0xa00 [ 263.566093] ? sort_range+0x30/0x30 [ 263.569769] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.574890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.580449] ? __kthread_parkme+0xfb/0x1a0 [ 263.584694] kthread+0x35a/0x420 [ 263.588078] ? sort_range+0x30/0x30 [ 263.591702] ? kthread_bind+0x40/0x40 [ 263.595509] ret_from_fork+0x3a/0x50 [ 263.599258] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 263.599374] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.606456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.606465] Call Trace: [ 263.613045] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.622294] [ 263.624872] ksoftirqd/0 cpuset= [ 263.635184] dump_stack+0x1c4/0x2b4 [ 263.637312] / [ 263.640589] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.644198] mems_allowed=0 [ 263.645916] warn_alloc.cold.119+0xb7/0x1bd [ 263.658349] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.663201] ? lock_downgrade+0x900/0x900 [ 263.667376] ? trace_hardirqs_off+0xb8/0x310 [ 263.671804] ? trace_hardirqs_off+0xb8/0x310 [ 263.676224] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.681111] ? warn_alloc+0x120/0x120 [ 263.684920] ? warn_alloc+0x120/0x120 [ 263.688889] ? print_usage_bug+0xc0/0xc0 [ 263.692954] ? warn_alloc+0x120/0x120 [ 263.696801] ? print_usage_bug+0xc0/0xc0 [ 263.700866] ? __lock_acquire+0x7ec/0x4ec0 [ 263.705102] ? __lock_acquire+0x7ec/0x4ec0 [ 263.709375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.714935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.720478] ? should_fail+0x22d/0xd01 [ 263.724408] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.729523] ? __lock_acquire+0x7ec/0x4ec0 [ 263.733763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.738865] ? __lock_acquire+0x7ec/0x4ec0 [ 263.743102] ? should_fail+0x22d/0xd01 [ 263.747000] ? mark_held_locks+0x130/0x130 [ 263.751259] ? mark_held_locks+0x130/0x130 [ 263.755494] ? graph_lock+0x170/0x170 [ 263.759294] ? print_usage_bug+0xc0/0xc0 [ 263.763357] ? graph_lock+0x170/0x170 [ 263.767157] ? print_usage_bug+0xc0/0xc0 [ 263.771219] ? wq_watchdog_touch+0x9c/0xfe [ 263.775470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.781015] ? check_preemption_disabled+0x48/0x200 [ 263.786032] ? check_preemption_disabled+0x48/0x200 [ 263.791061] ? __lock_is_held+0xb5/0x140 [ 263.795134] __alloc_pages_nodemask+0xa80/0xde0 [ 263.799816] ? graph_lock+0x170/0x170 [ 263.803624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.808645] ? graph_lock+0x170/0x170 [ 263.812467] ? find_held_lock+0x36/0x1c0 [ 263.816542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.821213] ? lock_downgrade+0x900/0x900 [ 263.825382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.830929] cache_grow_begin+0x91/0x8c0 [ 263.834996] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.839417] fallback_alloc+0x203/0x2e0 [ 263.843413] ____cache_alloc_node+0x1c7/0x1e0 [ 263.847939] kmem_cache_alloc_node+0xe3/0x730 [ 263.852445] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.856701] __alloc_skb+0x119/0x770 [ 263.860446] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.865730] ? skb_scrub_packet+0x490/0x490 [ 263.870069] ? lock_downgrade+0x900/0x900 [ 263.874223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.879770] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.885223] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.890689] ? addrconf_rs_timer+0x690/0x690 [ 263.895141] ndisc_alloc_skb+0x144/0x340 [ 263.899212] ndisc_send_rs+0x331/0x6e0 [ 263.903111] addrconf_rs_timer+0x314/0x690 [ 263.907354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.911607] call_timer_fn+0x272/0x920 [ 263.915498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.919734] ? process_timeout+0x40/0x40 [ 263.923803] ? find_held_lock+0x36/0x1c0 [ 263.927905] ? __run_timers+0x7da/0xc70 [ 263.931883] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.936374] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.940870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.945122] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.949708] ? trace_hardirqs_on+0xbd/0x310 [ 263.954044] ? kasan_check_read+0x11/0x20 [ 263.958239] ? __run_timers+0x7da/0xc70 [ 263.962216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.967676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.971927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.976173] __run_timers+0x7e5/0xc70 [ 263.979988] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.985356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.990384] ? graph_lock+0x170/0x170 [ 263.994198] ? enqueue_hrtimer+0x1a5/0x560 [ 263.998444] ? lock_release+0x970/0x970 [ 264.002424] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.007632] ? find_held_lock+0x36/0x1c0 [ 264.011699] ? graph_lock+0x170/0x170 [ 264.015500] ? pvclock_read_flags+0x160/0x160 [ 264.020005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.025543] ? check_preemption_disabled+0x48/0x200 [ 264.030574] ? __lock_is_held+0xb5/0x140 [ 264.034655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.040194] ? check_preemption_disabled+0x48/0x200 [ 264.045257] run_timer_softirq+0x52/0xb0 [ 264.049328] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.054341] __do_softirq+0x30b/0xad8 [ 264.058170] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.063275] ? pvclock_read_flags+0x160/0x160 [ 264.067788] ? lapic_next_event+0x5a/0x90 [ 264.071988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.077523] ? check_preemption_disabled+0x48/0x200 [ 264.082534] ? check_preemption_disabled+0x48/0x200 [ 264.087568] ? kvm_clock_read+0x18/0x30 [ 264.091556] ? kvm_sched_clock_read+0x9/0x20 [ 264.095965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.101505] ? check_preemption_disabled+0x48/0x200 [ 264.106537] irq_exit+0x17f/0x1c0 [ 264.110006] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.114849] ? smp_reschedule_interrupt+0x109/0x650 [ 264.119881] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.125788] ? interrupt_entry+0xb5/0xf0 [ 264.129854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.134915] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.139965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.144812] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.149823] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.154849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.160390] ? check_preemption_disabled+0x48/0x200 [ 264.165428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.170994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.175897] apic_timer_interrupt+0xf/0x20 [ 264.180128] [ 264.182366] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 264.187295] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 264.206195] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 264.213909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 264.221175] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 264.228454] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 264.235725] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 264.242991] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 264.250303] skb_clone+0x1bb/0x500 [ 264.253848] ? finish_task_switch+0x1b5/0x900 [ 264.258347] ? skb_split+0x11e0/0x11e0 [ 264.262245] ? preempt_notifier_register+0x200/0x200 [ 264.267347] ? __switch_to_asm+0x34/0x70 [ 264.271417] ? __switch_to_asm+0x34/0x70 [ 264.275483] ? __switch_to_asm+0x40/0x70 [ 264.279556] ? __switch_to_asm+0x34/0x70 [ 264.283619] ? __switch_to_asm+0x40/0x70 [ 264.287690] ? __switch_to_asm+0x34/0x70 [ 264.291753] ? __switch_to_asm+0x40/0x70 [ 264.295817] ? __switch_to_asm+0x34/0x70 [ 264.299877] ? __switch_to_asm+0x34/0x70 [ 264.303947] ? __switch_to_asm+0x40/0x70 [ 264.308017] ? __switch_to_asm+0x34/0x70 [ 264.312099] bpf_clone_redirect+0xb9/0x490 [ 264.316338] ? __schedule+0x874/0x1ed0 [ 264.320241] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 264.325281] ? __sched_text_start+0x8/0x8 [ 264.329428] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.334209] ? find_held_lock+0x36/0x1c0 [ 264.338283] ? lock_acquire+0x1ed/0x520 [ 264.342285] ? bpf_test_run+0x32e/0x5a0 [ 264.346277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.351826] ? check_preemption_disabled+0x48/0x200 [ 264.356850] ? kasan_check_read+0x11/0x20 [ 264.361002] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.366296] ? rcu_bh_qs+0xc0/0xc0 [ 264.369844] ? preempt_schedule+0x4d/0x60 [ 264.373998] ? ___preempt_schedule+0x16/0x18 [ 264.378414] ? bpf_test_run+0x1c0/0x5a0 [ 264.382423] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.386847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.392392] ? bpf_test_init.isra.9+0x70/0x100 [ 264.396985] ? bpf_prog_test_run_skb+0x634/0xb40 [ 264.401763] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.406619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.412155] ? fput+0x130/0x1a0 [ 264.415461] ? __bpf_prog_get+0x9b/0x290 [ 264.419529] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.424374] ? bpf_prog_test_run+0x130/0x1a0 [ 264.428791] ? __x64_sys_bpf+0x3d8/0x510 [ 264.432854] ? bpf_prog_get+0x20/0x20 [ 264.436677] ? do_syscall_64+0x1b9/0x820 [ 264.440738] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.446108] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.451038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.455886] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.460919] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.465939] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.470966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.475826] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.481211] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 264.481217] warn_alloc_show_mem: 1 callbacks suppressed [ 264.481224] Mem-Info: [ 264.487980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.493352] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 264.493352] active_file:13 inactive_file:14 isolated_file:0 [ 264.493352] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.493352] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 264.493352] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 264.493352] free:13777 free_pcp:213 free_cma:0 [ 264.495734] Call Trace: [ 264.505158] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.538015] dump_stack+0x1c4/0x2b4 [ 264.540581] Node 0 [ 264.568082] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.571711] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.573931] warn_alloc.cold.119+0xb7/0x1bd [ 264.579099] lowmem_reserve[]: 0 [ 264.604620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.608921] 2819 [ 264.612221] ? lock_downgrade+0x900/0x900 [ 264.617050] 6323 [ 264.619122] ? trace_hardirqs_off+0xb8/0x310 [ 264.623251] 6323 [ 264.625372] ? trace_hardirqs_off+0xb8/0x310 [ 264.629764] Node 0 [ 264.631834] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.636283] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.638509] ? warn_alloc+0x120/0x120 [ 264.643297] lowmem_reserve[]: 0 [ 264.670282] ? warn_alloc+0x120/0x120 [ 264.674073] 0 [ 264.677350] ? print_usage_bug+0xc0/0xc0 [ 264.681122] 3503 3503 [ 264.682934] ? warn_alloc+0x120/0x120 [ 264.686978] Node 0 [ 264.689477] ? print_usage_bug+0xc0/0xc0 [ 264.693284] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 264.695515] ? __lock_acquire+0x7ec/0x4ec0 [ 264.699561] lowmem_reserve[]: 0 [ 264.727930] ? __lock_acquire+0x7ec/0x4ec0 [ 264.732162] 0 0 [ 264.735475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.739682] 0 [ 264.741671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.747184] Node 0 [ 264.749003] ? should_fail+0x22d/0xd01 [ 264.754517] DMA: [ 264.756756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.760626] 1*4kB [ 264.762714] ? __lock_acquire+0x7ec/0x4ec0 [ 264.767798] (U) [ 264.769954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.774167] 0*8kB [ 264.776143] ? __lock_acquire+0x7ec/0x4ec0 [ 264.781232] 0*16kB [ 264.783391] ? should_fail+0x22d/0xd01 [ 264.787606] 1*32kB [ 264.789847] ? mark_held_locks+0x130/0x130 [ 264.793712] (U) [ 264.796084] ? mark_held_locks+0x130/0x130 [ 264.800309] 2*64kB [ 264.802283] ? mark_held_locks+0xc7/0x130 [ 264.806495] (U) [ 264.808742] ? print_usage_bug+0xc0/0xc0 [ 264.812865] 1*128kB [ 264.814854] ? graph_lock+0x170/0x170 [ 264.818895] (U) [ 264.821218] ? print_usage_bug+0xc0/0xc0 [ 264.825007] 1*256kB [ 264.826989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.831025] (U) [ 264.833355] ? check_preemption_disabled+0x48/0x200 [ 264.838878] 0*512kB [ 264.840853] ? check_preemption_disabled+0x48/0x200 [ 264.845849] 1*1024kB [ 264.848179] ? __lock_is_held+0xb5/0x140 [ 264.853167] (U) [ 264.855582] __alloc_pages_nodemask+0xa80/0xde0 [ 264.859626] 1*2048kB [ 264.861612] ? graph_lock+0x170/0x170 [ 264.866262] (M) [ 264.868687] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.872486] 3*4096kB [ 264.874500] ? graph_lock+0x170/0x170 [ 264.879507] (M) [ 264.881921] ? find_held_lock+0x36/0x1c0 [ 264.885697] = 15908kB [ 264.887676] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.891708] Node 0 DMA32: [ 264.894154] ? lock_downgrade+0x900/0x900 [ 264.898803] 4*4kB [ 264.901683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.905780] (M) 1*8kB [ 264.907943] cache_grow_begin+0x91/0x8c0 [ 264.913464] (U) [ 264.915959] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.919996] 3*16kB [ 264.921976] fallback_alloc+0x203/0x2e0 [ 264.926362] (UM) [ 264.928615] ____cache_alloc_node+0x1c7/0x1e0 [ 264.932563] 3*32kB [ 264.934638] kmem_cache_alloc_node+0xe3/0x730 [ 264.939113] (UM) [ 264.941361] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.945831] 5*64kB [ 264.947898] __alloc_skb+0x119/0x770 [ 264.952097] (UM) 3*128kB [ 264.954366] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.958047] (M) 3*256kB [ 264.960822] ? skb_scrub_packet+0x490/0x490 [ 264.966076] (M) [ 264.968766] ? lock_downgrade+0x900/0x900 [ 264.973065] 4*512kB (UM) [ 264.975067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.979195] 3*1024kB [ 264.981952] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.987479] (UM) [ 264.989896] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.995321] 1*2048kB (M) [ 264.997400] ? addrconf_rs_timer+0x690/0x690 [ 264.997428] ndisc_alloc_skb+0x144/0x340 [ 265.002890] 4*4096kB (M) [ 265.005666] ndisc_send_rs+0x331/0x6e0 [ 265.010051] = 25192kB [ 265.014113] addrconf_rs_timer+0x314/0x690 [ 265.016869] Node 0 [ 265.020769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.023157] Normal: [ 265.027462] call_timer_fn+0x272/0x920 [ 265.029618] 824*4kB [ 265.033872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.036171] (MEH) [ 265.040068] ? process_timeout+0x40/0x40 [ 265.042392] 371*8kB (ME) [ 265.046668] ? find_held_lock+0x36/0x1c0 [ 265.048793] 164*16kB (ME) [ 265.052878] ? __run_timers+0x7da/0xc70 [ 265.055622] 69*32kB (UMEH) [ 265.059687] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.062506] 28*64kB (M) [ 265.066484] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.069399] 1*128kB [ 265.073895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.076543] (M) [ 265.081048] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.083345] 0*256kB 0*512kB [ 265.087590] ? trace_hardirqs_on+0xbd/0x310 [ 265.089558] 1*1024kB [ 265.094134] ? kasan_check_read+0x11/0x20 [ 265.097132] (H) [ 265.101456] ? __run_timers+0x7da/0xc70 [ 265.103837] 0*2048kB 0*4096kB [ 265.107991] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.109948] = 14040kB [ 265.109963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.113932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.117107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.122548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.124938] 146 total pagecache pages [ 265.133770] __run_timers+0x7e5/0xc70 [ 265.137990] 0 pages in swap cache [ 265.146558] ? find_held_lock+0x36/0x1c0 [ 265.150790] Swap cache stats: add 0, delete 0, find 0/0 [ 265.150799] Free swap = 0kB [ 265.154607] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.158373] Total swap = 0kB [ 265.158382] 1965979 pages RAM [ 265.161859] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.165895] 0 pages HighMem/MovableOnly [ 265.165905] 342307 pages reserved [ 265.171265] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.174260] 0 pages cma reserved [ 265.174340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.179647] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.179677] ? trace_hardirqs_on+0xbd/0x310 [ 265.179702] ? kasan_check_read+0x11/0x20 [ 265.179720] ? finish_task_switch+0x1f5/0x900 [ 265.182817] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.185853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.190348] syz-executor3 cpuset= [ 265.194331] ? compat_start_thread+0x80/0x80 [ 265.197764] syz3 [ 265.202274] ? pvclock_read_flags+0x160/0x160 [ 265.205607] mems_allowed=0 [ 265.212093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.268274] ? check_preemption_disabled+0x48/0x200 [ 265.273303] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 265.278840] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.284122] ? rcu_pm_notify+0xc0/0xc0 [ 265.288018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.293559] ? check_preemption_disabled+0x48/0x200 [ 265.298584] run_timer_softirq+0x52/0xb0 [ 265.302677] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.307725] __do_softirq+0x30b/0xad8 [ 265.311564] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.316679] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.321455] ? schedule+0x108/0x460 [ 265.325097] ? trace_hardirqs_off+0xb8/0x310 [ 265.329511] ? smpboot_thread_fn+0x68b/0xa00 [ 265.333922] ? trace_hardirqs_on+0x310/0x310 [ 265.338336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.343876] ? check_preemption_disabled+0x48/0x200 [ 265.348900] ? takeover_tasklets+0xa90/0xa90 [ 265.353311] run_ksoftirqd+0x94/0x100 [ 265.357120] smpboot_thread_fn+0x68b/0xa00 [ 265.361361] ? sort_range+0x30/0x30 [ 265.365022] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.370134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.375680] ? __kthread_parkme+0xfb/0x1a0 [ 265.379923] kthread+0x35a/0x420 [ 265.383290] ? sort_range+0x30/0x30 [ 265.386942] ? kthread_bind+0x40/0x40 [ 265.390778] ret_from_fork+0x3a/0x50 [ 265.394512] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 265.394605] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.401703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.401715] Call Trace: [ 265.401721] [ 265.401741] dump_stack+0x1c4/0x2b4 [ 265.401762] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.408366] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.417640] warn_alloc.cold.119+0xb7/0x1bd [ 265.420214] ksoftirqd/0 cpuset= [ 265.422369] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.425979] / [ 265.431384] ? lock_downgrade+0x900/0x900 [ 265.441677] mems_allowed=0 [ 265.446004] ? trace_hardirqs_off+0xb8/0x310 [ 265.467314] ? trace_hardirqs_off+0xb8/0x310 [ 265.471736] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.476613] ? warn_alloc+0x120/0x120 [ 265.480454] ? warn_alloc+0x120/0x120 [ 265.484276] ? print_usage_bug+0xc0/0xc0 [ 265.488336] ? warn_alloc+0x120/0x120 [ 265.492139] ? print_usage_bug+0xc0/0xc0 [ 265.496208] ? __lock_acquire+0x7ec/0x4ec0 [ 265.500458] ? __lock_acquire+0x7ec/0x4ec0 [ 265.504714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.510261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.515802] ? should_fail+0x22d/0xd01 [ 265.519732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.524842] ? __lock_acquire+0x7ec/0x4ec0 [ 265.529099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.534204] ? __lock_acquire+0x7ec/0x4ec0 [ 265.538481] ? should_fail+0x22d/0xd01 [ 265.542399] ? mark_held_locks+0x130/0x130 [ 265.546641] ? mark_held_locks+0x130/0x130 [ 265.550896] ? graph_lock+0x170/0x170 [ 265.554729] ? print_usage_bug+0xc0/0xc0 [ 265.558797] ? graph_lock+0x170/0x170 [ 265.562638] ? print_usage_bug+0xc0/0xc0 [ 265.566701] ? wq_watchdog_touch+0x9c/0xfe [ 265.570941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.576480] ? check_preemption_disabled+0x48/0x200 [ 265.581500] ? check_preemption_disabled+0x48/0x200 [ 265.586532] ? __lock_is_held+0xb5/0x140 [ 265.590612] __alloc_pages_nodemask+0xa80/0xde0 [ 265.595283] ? graph_lock+0x170/0x170 [ 265.599086] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.604099] ? graph_lock+0x170/0x170 [ 265.607926] ? find_held_lock+0x36/0x1c0 [ 265.612002] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.616686] ? lock_downgrade+0x900/0x900 [ 265.620845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.626389] cache_grow_begin+0x91/0x8c0 [ 265.630471] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.634958] fallback_alloc+0x203/0x2e0 [ 265.638954] ____cache_alloc_node+0x1c7/0x1e0 [ 265.643467] kmem_cache_alloc_node+0xe3/0x730 [ 265.647970] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.652219] __alloc_skb+0x119/0x770 [ 265.655944] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.661225] ? skb_scrub_packet+0x490/0x490 [ 265.665557] ? lock_downgrade+0x900/0x900 [ 265.669714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.675260] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.680720] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.686187] ? addrconf_rs_timer+0x690/0x690 [ 265.690811] ndisc_alloc_skb+0x144/0x340 [ 265.694885] ndisc_send_rs+0x331/0x6e0 [ 265.698783] addrconf_rs_timer+0x314/0x690 [ 265.703038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.707309] call_timer_fn+0x272/0x920 [ 265.711213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.715464] ? process_timeout+0x40/0x40 [ 265.719527] ? find_held_lock+0x36/0x1c0 [ 265.723597] ? __run_timers+0x7da/0xc70 [ 265.727589] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.732093] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.736590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.740828] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.745425] ? trace_hardirqs_on+0xbd/0x310 [ 265.749777] ? kasan_check_read+0x11/0x20 [ 265.753927] ? __run_timers+0x7da/0xc70 [ 265.757906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.763366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.767620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.771872] __run_timers+0x7e5/0xc70 [ 265.775727] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.781095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.786116] ? graph_lock+0x170/0x170 [ 265.789921] ? enqueue_hrtimer+0x1a5/0x560 [ 265.794157] ? lock_release+0x970/0x970 [ 265.798149] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.803352] ? find_held_lock+0x36/0x1c0 [ 265.807415] ? graph_lock+0x170/0x170 [ 265.811237] ? pvclock_read_flags+0x160/0x160 [ 265.815735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.821291] ? check_preemption_disabled+0x48/0x200 [ 265.826321] ? __lock_is_held+0xb5/0x140 [ 265.830385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.835927] ? check_preemption_disabled+0x48/0x200 [ 265.840951] run_timer_softirq+0x52/0xb0 [ 265.845012] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.850059] __do_softirq+0x30b/0xad8 [ 265.853876] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.858991] ? pvclock_read_flags+0x160/0x160 [ 265.863501] ? lapic_next_event+0x5a/0x90 [ 265.867655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.873194] ? check_preemption_disabled+0x48/0x200 [ 265.878208] ? check_preemption_disabled+0x48/0x200 [ 265.883242] ? kvm_clock_read+0x18/0x30 [ 265.887216] ? kvm_sched_clock_read+0x9/0x20 [ 265.891630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.897203] ? check_preemption_disabled+0x48/0x200 [ 265.902253] irq_exit+0x17f/0x1c0 [ 265.905709] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.910572] ? smp_reschedule_interrupt+0x109/0x650 [ 265.915596] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.921484] ? interrupt_entry+0xb5/0xf0 [ 265.925551] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.930592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.935633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.940514] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.945532] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.950551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.956091] ? check_preemption_disabled+0x48/0x200 [ 265.961115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.966676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.971551] apic_timer_interrupt+0xf/0x20 [ 265.975781] [ 265.978023] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.982975] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 266.001881] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 266.009594] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 266.016863] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 266.024144] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 266.031412] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 266.038692] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 266.046002] skb_clone+0x1bb/0x500 [ 266.049547] ? finish_task_switch+0x1b5/0x900 [ 266.054056] ? skb_split+0x11e0/0x11e0 [ 266.057960] ? preempt_notifier_register+0x200/0x200 [ 266.063065] ? __switch_to_asm+0x34/0x70 [ 266.067125] ? __switch_to_asm+0x34/0x70 [ 266.071195] ? __switch_to_asm+0x40/0x70 [ 266.075275] ? __switch_to_asm+0x34/0x70 [ 266.079344] ? __switch_to_asm+0x40/0x70 [ 266.083405] ? __switch_to_asm+0x34/0x70 [ 266.087476] ? __switch_to_asm+0x40/0x70 [ 266.091535] ? __switch_to_asm+0x34/0x70 [ 266.095596] ? __switch_to_asm+0x34/0x70 [ 266.099661] ? __switch_to_asm+0x40/0x70 [ 266.103723] ? __switch_to_asm+0x34/0x70 [ 266.107817] bpf_clone_redirect+0xb9/0x490 [ 266.112058] ? __schedule+0x874/0x1ed0 [ 266.115963] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 266.120985] ? __sched_text_start+0x8/0x8 [ 266.125134] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.129904] ? find_held_lock+0x36/0x1c0 [ 266.133977] ? lock_acquire+0x1ed/0x520 [ 266.137954] ? bpf_test_run+0x32e/0x5a0 [ 266.141934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.147485] ? check_preemption_disabled+0x48/0x200 [ 266.152510] ? kasan_check_read+0x11/0x20 [ 266.156690] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.161967] ? rcu_bh_qs+0xc0/0xc0 [ 266.165513] ? preempt_schedule+0x4d/0x60 [ 266.169664] ? ___preempt_schedule+0x16/0x18 [ 266.174078] ? bpf_test_run+0x1c0/0x5a0 [ 266.178063] ? netlink_diag_dump+0x2a0/0x2a0 [ 266.182477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.188017] ? bpf_test_init.isra.9+0x70/0x100 [ 266.192618] ? bpf_prog_test_run_skb+0x634/0xb40 [ 266.197386] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.202236] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.207771] ? fput+0x130/0x1a0 [ 266.211050] ? __bpf_prog_get+0x9b/0x290 [ 266.215123] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.219981] ? bpf_prog_test_run+0x130/0x1a0 [ 266.224396] ? __x64_sys_bpf+0x3d8/0x510 [ 266.228466] ? bpf_prog_get+0x20/0x20 [ 266.232289] ? do_syscall_64+0x1b9/0x820 [ 266.236349] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.241739] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.246673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.251519] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.256538] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.261567] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.266591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.271451] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.276834] warn_alloc_show_mem: 1 callbacks suppressed [ 266.276846] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 266.276848] Mem-Info: [ 266.276878] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 266.276878] active_file:13 inactive_file:14 isolated_file:0 [ 266.276878] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.276878] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 266.276878] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 266.276878] free:13777 free_pcp:213 free_cma:0 [ 266.282232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.282242] Call Trace: [ 266.289005] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.291418] dump_stack+0x1c4/0x2b4 [ 266.324277] Node 0 [ 266.333636] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.336225] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.363704] warn_alloc.cold.119+0xb7/0x1bd [ 266.367303] lowmem_reserve[]: [ 266.369538] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.374709] 0 [ 266.400253] ? lock_downgrade+0x900/0x900 [ 266.404549] 2819 6323 [ 266.407678] ? trace_hardirqs_off+0xb8/0x310 [ 266.412491] 6323 [ 266.414310] ? trace_hardirqs_off+0xb8/0x310 [ 266.418452] Node 0 [ 266.420968] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.425375] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.427433] ? warn_alloc+0x120/0x120 [ 266.431804] lowmem_reserve[]: 0 [ 266.434052] ? warn_alloc+0x120/0x120 [ 266.438875] 0 [ 266.465854] ? print_usage_bug+0xc0/0xc0 [ 266.469650] 3503 [ 266.472929] ? warn_alloc+0x120/0x120 [ 266.476705] 3503 [ 266.478536] ? print_usage_bug+0xc0/0xc0 [ 266.482579] Node 0 [ 266.484642] ? __lock_acquire+0x7ec/0x4ec0 [ 266.488478] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 266.490516] ? __lock_acquire+0x7ec/0x4ec0 [ 266.494549] lowmem_reserve[]: 0 [ 266.496809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.501015] 0 0 [ 266.529332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.533549] 0 [ 266.536829] ? should_fail+0x22d/0xd01 [ 266.544318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.549837] Node 0 [ 266.551642] ? __lock_acquire+0x7ec/0x4ec0 [ 266.555512] DMA: [ 266.560612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.562828] 1*4kB [ 266.567059] ? __lock_acquire+0x7ec/0x4ec0 [ 266.569105] (U) [ 266.574201] ? should_fail+0x22d/0xd01 [ 266.576338] 0*8kB [ 266.580577] ? mark_held_locks+0x130/0x130 [ 266.582527] 0*16kB [ 266.586407] ? mark_held_locks+0x130/0x130 [ 266.588536] 1*32kB [ 266.592777] ? mark_held_locks+0xc7/0x130 [ 266.594992] (U) [ 266.599226] ? print_usage_bug+0xc0/0xc0 [ 266.601468] 2*64kB [ 266.605620] ? graph_lock+0x170/0x170 [ 266.607602] (U) [ 266.611664] ? print_usage_bug+0xc0/0xc0 [ 266.613885] 1*128kB [ 266.617682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.619648] (U) [ 266.623725] ? check_preemption_disabled+0x48/0x200 [ 266.626027] 1*256kB [ 266.631560] ? check_preemption_disabled+0x48/0x200 [ 266.633517] (U) [ 266.638543] ? __lock_is_held+0xb5/0x140 [ 266.640837] 0*512kB [ 266.645863] __alloc_pages_nodemask+0xa80/0xde0 [ 266.647820] 1*1024kB [ 266.651880] ? graph_lock+0x170/0x170 [ 266.654189] (U) [ 266.658865] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.661262] 1*2048kB [ 266.665058] ? graph_lock+0x170/0x170 [ 266.667019] (M) [ 266.672044] ? find_held_lock+0x36/0x1c0 [ 266.674430] 3*4096kB [ 266.678241] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.680199] (M) [ 266.684269] ? lock_downgrade+0x900/0x900 [ 266.686656] = 15908kB [ 266.686665] Node 0 [ 266.691341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.693293] DMA32: 4*4kB [ 266.697463] cache_grow_begin+0x91/0x8c0 [ 266.699865] (M) 1*8kB [ 266.702124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.707636] (U) [ 266.710420] fallback_alloc+0x203/0x2e0 [ 266.714449] 3*16kB (UM) [ 266.716976] ____cache_alloc_node+0x1c7/0x1e0 [ 266.721344] 3*32kB [ 266.723330] kmem_cache_alloc_node+0xe3/0x730 [ 266.727276] (UM) [ 266.729954] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.734422] 5*64kB (UM) [ 266.736692] __alloc_skb+0x119/0x770 [ 266.741168] 3*128kB [ 266.743236] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.747449] (M) 3*256kB [ 266.750136] ? skb_scrub_packet+0x490/0x490 [ 266.753828] (M) [ 266.756161] ? lock_downgrade+0x900/0x900 [ 266.761411] 4*512kB (UM) [ 266.764103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.768392] 3*1024kB (UM) 1*2048kB [ 266.770421] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.774580] (M) [ 266.777362] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.782871] 4*4096kB (M) [ 266.786507] ? addrconf_rs_timer+0x690/0x690 [ 266.791934] = 25192kB [ 266.793914] ndisc_alloc_skb+0x144/0x340 [ 266.793926] ndisc_send_rs+0x331/0x6e0 [ 266.793937] addrconf_rs_timer+0x314/0x690 [ 266.793949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.793964] call_timer_fn+0x272/0x920 [ 266.793972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.793981] ? process_timeout+0x40/0x40 [ 266.793988] ? find_held_lock+0x36/0x1c0 [ 266.794001] ? __run_timers+0x7da/0xc70 [ 266.794011] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.794018] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.794025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.794033] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.794042] ? trace_hardirqs_on+0xbd/0x310 [ 266.794049] ? kasan_check_read+0x11/0x20 [ 266.794057] ? __run_timers+0x7da/0xc70 [ 266.794066] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.794076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.794087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.794095] __run_timers+0x7e5/0xc70 [ 266.794102] ? find_held_lock+0x36/0x1c0 [ 266.794129] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.794136] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.794143] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.794151] ? lockdep_hardirqs_on+0x421/0x5c0 [ 266.794159] ? trace_hardirqs_on+0xbd/0x310 [ 266.794165] ? kasan_check_read+0x11/0x20 [ 266.794173] ? finish_task_switch+0x1f5/0x900 [ 266.794181] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.794188] ? compat_start_thread+0x80/0x80 [ 266.794205] ? pvclock_read_flags+0x160/0x160 [ 266.794213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.794221] ? check_preemption_disabled+0x48/0x200 [ 266.794237] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 266.794250] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.794267] ? rcu_pm_notify+0xc0/0xc0 [ 266.799705] Node 0 [ 266.802470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.806855] Normal: [ 266.809263] ? check_preemption_disabled+0x48/0x200 [ 266.813306] 824*4kB [ 266.817194] run_timer_softirq+0x52/0xb0 [ 266.821403] (MEH) [ 266.825648] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.829506] 371*8kB (ME) [ 266.833758] __do_softirq+0x30b/0xad8 [ 266.837791] 164*16kB (ME) [ 266.841902] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.845845] 69*32kB (UMEH) [ 266.850350] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.854817] 28*64kB (M) [ 266.859116] ? schedule+0x108/0x460 [ 266.863670] 1*128kB (M) [ 266.868018] ? trace_hardirqs_off+0xb8/0x310 [ 266.872143] 0*256kB [ 266.876117] ? smpboot_thread_fn+0x68b/0xa00 [ 266.881545] 0*512kB [ 266.885775] ? trace_hardirqs_on+0x310/0x310 [ 266.889989] 1*1024kB [ 266.893791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.897827] (H) [ 266.903215] ? check_preemption_disabled+0x48/0x200 [ 266.907694] 0*2048kB [ 266.912226] ? takeover_tasklets+0xa90/0xa90 [ 266.916790] 0*4096kB [ 266.921128] run_ksoftirqd+0x94/0x100 [ 266.925248] = 14040kB [ 266.929746] smpboot_thread_fn+0x68b/0xa00 [ 266.935190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.939589] ? sort_range+0x30/0x30 [ 266.944084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.949612] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.954611] 146 total pagecache pages [ 266.960156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.965413] 0 pages in swap cache [ 266.969310] ? __kthread_parkme+0xfb/0x1a0 [ 266.971525] Swap cache stats: add 0, delete 0, find 0/0 [ 266.971534] Free swap = 0kB [ 266.977071] kthread+0x35a/0x420 [ 266.979369] Total swap = 0kB [ 266.979377] 1965979 pages RAM [ 266.984413] ? sort_range+0x30/0x30 [ 266.986719] 0 pages HighMem/MovableOnly [ 266.990782] ? kthread_bind+0x40/0x40 [ 266.992907] 342307 pages reserved [ 266.992917] 0 pages cma reserved [ 266.997947] ret_from_fork+0x3a/0x50 [ 267.000766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.004561] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.007450] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.012509] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.015398] syz-executor3 cpuset= [ 267.020155] ksoftirqd/0 cpuset= [ 267.022818] syz3 mems_allowed=0 [ 267.204661] / mems_allowed=0 [ 267.207942] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 267.218130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.227480] Call Trace: [ 267.230056] [ 267.232215] dump_stack+0x1c4/0x2b4 [ 267.235868] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.241076] warn_alloc.cold.119+0xb7/0x1bd [ 267.245405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.250272] ? lock_downgrade+0x900/0x900 [ 267.254430] ? trace_hardirqs_off+0xb8/0x310 [ 267.258857] ? trace_hardirqs_off+0xb8/0x310 [ 267.263278] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.268150] ? warn_alloc+0x120/0x120 [ 267.271970] ? trace_hardirqs_on+0x310/0x310 [ 267.276385] ? warn_alloc+0x120/0x120 [ 267.280191] ? print_usage_bug+0xc0/0xc0 [ 267.284260] ? warn_alloc+0x120/0x120 [ 267.288060] ? ktime_get+0x2e1/0x440 [ 267.291779] ? print_usage_bug+0xc0/0xc0 [ 267.295845] ? __lock_acquire+0x7ec/0x4ec0 [ 267.300084] ? __lock_acquire+0x7ec/0x4ec0 [ 267.304318] ? kasan_check_read+0x11/0x20 [ 267.308479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.314017] ? should_fail+0x22d/0xd01 [ 267.317923] ? rcu_bh_qs+0xc0/0xc0 [ 267.321476] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.326580] ? __lock_acquire+0x7ec/0x4ec0 [ 267.330834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.335940] ? __lock_acquire+0x7ec/0x4ec0 [ 267.340175] ? should_fail+0x22d/0xd01 [ 267.344068] ? rcu_idle_enter+0x4b0/0x4b0 [ 267.348223] ? mark_held_locks+0x130/0x130 [ 267.352475] ? mark_held_locks+0x130/0x130 [ 267.356713] ? mark_held_locks+0xc7/0x130 [ 267.360866] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 267.365881] ? graph_lock+0x170/0x170 [ 267.369680] ? print_usage_bug+0xc0/0xc0 [ 267.373743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.379298] ? check_preemption_disabled+0x48/0x200 [ 267.384326] ? check_preemption_disabled+0x48/0x200 [ 267.389351] ? __lock_is_held+0xb5/0x140 [ 267.393422] __alloc_pages_nodemask+0xa80/0xde0 [ 267.398100] ? graph_lock+0x170/0x170 [ 267.401908] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.406950] ? graph_lock+0x170/0x170 [ 267.410766] ? find_held_lock+0x36/0x1c0 [ 267.414842] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.419527] ? lock_downgrade+0x900/0x900 [ 267.423700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.429247] cache_grow_begin+0x91/0x8c0 [ 267.433312] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.437744] fallback_alloc+0x203/0x2e0 [ 267.441744] ____cache_alloc_node+0x1c7/0x1e0 [ 267.446259] kmem_cache_alloc_node+0xe3/0x730 [ 267.450758] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.455023] __alloc_skb+0x119/0x770 [ 267.458740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.464024] ? skb_scrub_packet+0x490/0x490 [ 267.468349] ? lock_downgrade+0x900/0x900 [ 267.472519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.478082] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.483543] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.488993] ? addrconf_rs_timer+0x690/0x690 [ 267.493420] ndisc_alloc_skb+0x144/0x340 [ 267.497496] ndisc_send_rs+0x331/0x6e0 [ 267.501398] addrconf_rs_timer+0x314/0x690 [ 267.505663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.509916] call_timer_fn+0x272/0x920 [ 267.513806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.518043] ? process_timeout+0x40/0x40 [ 267.522108] ? find_held_lock+0x36/0x1c0 [ 267.526182] ? __run_timers+0x7da/0xc70 [ 267.530163] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.534659] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.539157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.543395] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.547984] ? trace_hardirqs_on+0xbd/0x310 [ 267.552307] ? kasan_check_read+0x11/0x20 [ 267.556464] ? __run_timers+0x7da/0xc70 [ 267.560453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.565915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.570156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.574397] __run_timers+0x7e5/0xc70 [ 267.578216] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.583590] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.588606] ? graph_lock+0x170/0x170 [ 267.592410] ? enqueue_hrtimer+0x1a5/0x560 [ 267.596654] ? lock_release+0x970/0x970 [ 267.600647] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.605873] ? find_held_lock+0x36/0x1c0 [ 267.609938] ? graph_lock+0x170/0x170 [ 267.613741] ? pvclock_read_flags+0x160/0x160 [ 267.618242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.623797] ? check_preemption_disabled+0x48/0x200 [ 267.628825] ? __lock_is_held+0xb5/0x140 [ 267.632888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.638428] ? check_preemption_disabled+0x48/0x200 [ 267.643482] run_timer_softirq+0x52/0xb0 [ 267.647562] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.652581] __do_softirq+0x30b/0xad8 [ 267.656393] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.661503] ? pvclock_read_flags+0x160/0x160 [ 267.666004] ? lapic_next_event+0x5a/0x90 [ 267.670155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.675714] ? check_preemption_disabled+0x48/0x200 [ 267.680743] ? check_preemption_disabled+0x48/0x200 [ 267.685765] ? kvm_clock_read+0x18/0x30 [ 267.689897] ? kvm_sched_clock_read+0x9/0x20 [ 267.694308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.699892] ? check_preemption_disabled+0x48/0x200 [ 267.704952] irq_exit+0x17f/0x1c0 [ 267.708412] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.713264] ? smp_reschedule_interrupt+0x109/0x650 [ 267.718286] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.724184] ? interrupt_entry+0xb5/0xf0 [ 267.728251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.733271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.738290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.743134] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.748150] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.753168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.758707] ? check_preemption_disabled+0x48/0x200 [ 267.763724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.769281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.774137] apic_timer_interrupt+0xf/0x20 [ 267.778369] [ 267.780670] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 267.785627] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 267.804531] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.812245] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 267.819511] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 267.826781] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 267.834047] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 267.841318] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 267.848623] skb_clone+0x1bb/0x500 [ 267.852168] ? finish_task_switch+0x1b5/0x900 [ 267.856662] ? skb_split+0x11e0/0x11e0 [ 267.860555] ? preempt_notifier_register+0x200/0x200 [ 267.865654] ? __switch_to_asm+0x34/0x70 [ 267.869715] ? __switch_to_asm+0x34/0x70 [ 267.873801] ? __switch_to_asm+0x40/0x70 [ 267.877858] ? __switch_to_asm+0x34/0x70 [ 267.881917] ? __switch_to_asm+0x40/0x70 [ 267.885979] ? __switch_to_asm+0x34/0x70 [ 267.890036] ? __switch_to_asm+0x40/0x70 [ 267.894101] ? __switch_to_asm+0x34/0x70 [ 267.898160] ? __switch_to_asm+0x34/0x70 [ 267.902222] ? __switch_to_asm+0x40/0x70 [ 267.906289] ? __switch_to_asm+0x34/0x70 [ 267.910361] bpf_clone_redirect+0xb9/0x490 [ 267.914604] ? __schedule+0x874/0x1ed0 [ 267.918516] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 267.923578] ? __sched_text_start+0x8/0x8 [ 267.927758] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.932529] ? find_held_lock+0x36/0x1c0 [ 267.936596] ? lock_acquire+0x1ed/0x520 [ 267.940567] ? bpf_test_run+0x32e/0x5a0 [ 267.944544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.950088] ? check_preemption_disabled+0x48/0x200 [ 267.955113] ? kasan_check_read+0x11/0x20 [ 267.959280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.964582] ? rcu_bh_qs+0xc0/0xc0 [ 267.968132] ? preempt_schedule+0x4d/0x60 [ 267.972301] ? ___preempt_schedule+0x16/0x18 [ 267.976716] ? bpf_test_run+0x1c0/0x5a0 [ 267.980707] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.985123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.990661] ? bpf_test_init.isra.9+0x70/0x100 [ 267.995272] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.000037] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.004883] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.010425] ? fput+0x130/0x1a0 [ 268.013734] ? __bpf_prog_get+0x9b/0x290 [ 268.017802] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.022646] ? bpf_prog_test_run+0x130/0x1a0 [ 268.027070] ? __x64_sys_bpf+0x3d8/0x510 [ 268.031133] ? bpf_prog_get+0x20/0x20 [ 268.034955] ? do_syscall_64+0x1b9/0x820 [ 268.039028] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.044398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.049347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.054195] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.059212] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.064237] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.069267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.074121] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.079502] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 268.079507] warn_alloc_show_mem: 1 callbacks suppressed [ 268.079515] Mem-Info: [ 268.086261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.086271] Call Trace: [ 268.091641] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 268.091641] active_file:13 inactive_file:14 isolated_file:0 [ 268.091641] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.091641] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 268.091641] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 268.091641] free:13777 free_pcp:213 free_cma:0 [ 268.094039] dump_stack+0x1c4/0x2b4 [ 268.103407] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.106005] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.138861] Node 0 [ 268.142510] warn_alloc.cold.119+0xb7/0x1bd [ 268.169999] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 268.175162] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.177369] lowmem_reserve[]: 0 [ 268.181700] ? lock_downgrade+0x900/0x900 [ 268.207173] 2819 6323 [ 268.212027] ? trace_hardirqs_off+0xb8/0x310 [ 268.215276] 6323 [ 268.219430] ? trace_hardirqs_off+0xb8/0x310 [ 268.221913] Node 0 [ 268.226333] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.228395] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 268.232799] ? warn_alloc+0x120/0x120 [ 268.234991] lowmem_reserve[]: [ 268.239832] ? warn_alloc+0x120/0x120 [ 268.266779] 0 0 [ 268.270603] ? print_usage_bug+0xc0/0xc0 [ 268.273684] 3503 3503 [ 268.277489] ? warn_alloc+0x120/0x120 [ 268.279451] Node 0 [ 268.283513] ? print_usage_bug+0xc0/0xc0 [ 268.286018] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 268.289816] ? __lock_acquire+0x7ec/0x4ec0 [ 268.292026] lowmem_reserve[]: 0 [ 268.296092] ? __lock_acquire+0x7ec/0x4ec0 [ 268.324368] 0 0 [ 268.328631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.331879] 0 [ 268.336113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.343604] ? should_fail+0x22d/0xd01 [ 268.345384] Node 0 [ 268.350919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.354790] DMA: 1*4kB [ 268.357037] ? __lock_acquire+0x7ec/0x4ec0 [ 268.362140] (U) [ 268.364723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.368948] 0*8kB [ 268.370923] ? __lock_acquire+0x7ec/0x4ec0 [ 268.376006] 0*16kB [ 268.378145] ? should_fail+0x22d/0xd01 [ 268.378170] ? mark_held_locks+0x130/0x130 [ 268.382390] 1*32kB [ 268.384641] ? mark_held_locks+0x130/0x130 [ 268.388521] (U) [ 268.392754] ? graph_lock+0x170/0x170 [ 268.394972] 2*64kB [ 268.399207] ? print_usage_bug+0xc0/0xc0 [ 268.401164] (U) [ 268.404963] ? graph_lock+0x170/0x170 [ 268.407185] 1*128kB [ 268.411246] ? print_usage_bug+0xc0/0xc0 [ 268.413205] (U) [ 268.417009] ? wq_watchdog_touch+0x9c/0xfe [ 268.419313] 1*256kB [ 268.423374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.425325] (U) 0*512kB [ 268.429573] ? check_preemption_disabled+0x48/0x200 [ 268.431878] 1*1024kB (U) [ 268.437426] ? check_preemption_disabled+0x48/0x200 [ 268.440077] 1*2048kB (M) [ 268.445108] ? __lock_is_held+0xb5/0x140 [ 268.447840] 3*4096kB (M) [ 268.452864] __alloc_pages_nodemask+0xa80/0xde0 [ 268.455680] = 15908kB [ 268.455688] Node 0 [ 268.459746] ? graph_lock+0x170/0x170 [ 268.462483] DMA32: [ 268.467167] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.469587] 4*4kB [ 268.471819] ? graph_lock+0x170/0x170 [ 268.475596] (M) [ 268.477842] ? find_held_lock+0x36/0x1c0 [ 268.482843] 1*8kB [ 268.484993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.488764] (U) [ 268.490745] ? lock_downgrade+0x900/0x900 [ 268.494785] 3*16kB [ 268.496935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.501597] (UM) [ 268.503575] cache_grow_begin+0x91/0x8c0 [ 268.507713] 3*32kB [ 268.509955] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.515469] (UM) [ 268.517535] fallback_alloc+0x203/0x2e0 [ 268.521572] 5*64kB [ 268.523810] ____cache_alloc_node+0x1c7/0x1e0 [ 268.528211] (UM) [ 268.530278] kmem_cache_alloc_node+0xe3/0x730 [ 268.534234] 3*128kB [ 268.536486] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.540955] (M) [ 268.543021] __alloc_skb+0x119/0x770 [ 268.547492] 3*256kB [ 268.549815] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.554027] (M) [ 268.556003] ? skb_scrub_packet+0x490/0x490 [ 268.559698] 4*512kB [ 268.562021] ? lock_downgrade+0x900/0x900 [ 268.567273] (UM) [ 268.569254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.573550] 3*1024kB (UM) [ 268.575882] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.580005] 1*2048kB (M) [ 268.582075] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.587593] 4*4096kB [ 268.590435] ? addrconf_rs_timer+0x690/0x690 [ 268.595878] (M) [ 268.598647] ndisc_alloc_skb+0x144/0x340 [ 268.604087] = 25192kB [ 268.606496] ndisc_send_rs+0x331/0x6e0 [ 268.610891] Node 0 [ 268.612868] addrconf_rs_timer+0x314/0x690 [ 268.616906] Normal: [ 268.619343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.623206] 824*4kB [ 268.625471] call_timer_fn+0x272/0x920 [ 268.629675] (MEH) [ 268.631999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.636213] 371*8kB [ 268.638558] ? process_timeout+0x40/0x40 [ 268.642434] (ME) [ 268.644618] ? find_held_lock+0x36/0x1c0 [ 268.648831] 164*16kB [ 268.651168] ? __run_timers+0x7da/0xc70 [ 268.655204] (ME) [ 268.657282] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.661322] 69*32kB [ 268.663745] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.667696] (UMEH) [ 268.669764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.674238] 28*64kB [ 268.676558] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.681038] (M) [ 268.683275] ? trace_hardirqs_on+0xbd/0x310 [ 268.687499] 1*128kB [ 268.689816] ? kasan_check_read+0x11/0x20 [ 268.694376] (M) [ 268.696378] ? __run_timers+0x7da/0xc70 [ 268.700677] 0*256kB [ 268.703000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.707128] 0*512kB [ 268.709101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.713050] 1*1024kB (H) [ 268.715386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.720806] 0*2048kB 0*4096kB [ 268.723138] __run_timers+0x7e5/0xc70 [ 268.727351] = 14040kB [ 268.730105] ? find_held_lock+0x36/0x1c0 [ 268.734325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.737518] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.741308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.743708] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.747748] 146 total pagecache pages [ 268.756598] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.761949] 0 pages in swap cache [ 268.770517] ? lockdep_hardirqs_on+0x421/0x5c0 [ 268.774991] Swap cache stats: add 0, delete 0, find 0/0 [ 268.775001] Free swap = 0kB [ 268.778797] ? trace_hardirqs_on+0xbd/0x310 [ 268.783294] Total swap = 0kB [ 268.783303] 1965979 pages RAM [ 268.786758] ? kasan_check_read+0x11/0x20 [ 268.791318] 0 pages HighMem/MovableOnly [ 268.796683] ? finish_task_switch+0x1f5/0x900 [ 268.799690] 342307 pages reserved [ 268.804015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.807013] 0 pages cma reserved [ 268.810118] ? compat_start_thread+0x80/0x80 [ 268.814317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.818234] ? pvclock_read_flags+0x160/0x160 [ 268.818251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.818271] ? check_preemption_disabled+0x48/0x200 [ 268.822810] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.826207] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 268.831638] syz-executor3 cpuset= [ 268.835003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.839390] syz3 [ 268.845879] ? rcu_pm_notify+0xc0/0xc0 [ 268.850355] mems_allowed=0 [ 268.855890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.899915] ? check_preemption_disabled+0x48/0x200 [ 268.904940] run_timer_softirq+0x52/0xb0 [ 268.909009] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.914044] __do_softirq+0x30b/0xad8 [ 268.917863] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.922973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.927743] ? schedule+0x108/0x460 [ 268.931383] ? trace_hardirqs_off+0xb8/0x310 [ 268.935793] ? smpboot_thread_fn+0x68b/0xa00 [ 268.940200] ? trace_hardirqs_on+0x310/0x310 [ 268.944623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.950159] ? check_preemption_disabled+0x48/0x200 [ 268.955203] ? takeover_tasklets+0xa90/0xa90 [ 268.959623] run_ksoftirqd+0x94/0x100 [ 268.963425] smpboot_thread_fn+0x68b/0xa00 [ 268.967687] ? sort_range+0x30/0x30 [ 268.971317] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.976424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.981973] ? __kthread_parkme+0xfb/0x1a0 [ 268.986241] kthread+0x35a/0x420 [ 268.989626] ? sort_range+0x30/0x30 [ 268.993254] ? kthread_bind+0x40/0x40 [ 268.997073] ret_from_fork+0x3a/0x50 [ 269.000803] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 269.000863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.007991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.007997] Call Trace: [ 269.008003] [ 269.008022] dump_stack+0x1c4/0x2b4 [ 269.008056] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.014577] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.023899] warn_alloc.cold.119+0xb7/0x1bd [ 269.026482] ksoftirqd/0 cpuset= [ 269.028627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.032246] / [ 269.037455] ? lock_downgrade+0x900/0x900 [ 269.047753] mems_allowed=0 [ 269.052070] ? trace_hardirqs_off+0xb8/0x310 [ 269.073323] ? trace_hardirqs_off+0xb8/0x310 [ 269.077742] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.082622] ? warn_alloc+0x120/0x120 [ 269.086432] ? warn_alloc+0x120/0x120 [ 269.090245] ? print_usage_bug+0xc0/0xc0 [ 269.094305] ? warn_alloc+0x120/0x120 [ 269.098110] ? print_usage_bug+0xc0/0xc0 [ 269.102198] ? __lock_acquire+0x7ec/0x4ec0 [ 269.106434] ? __lock_acquire+0x7ec/0x4ec0 [ 269.110718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.116256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.121796] ? should_fail+0x22d/0xd01 [ 269.125687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.130792] ? __lock_acquire+0x7ec/0x4ec0 [ 269.135034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.140141] ? __lock_acquire+0x7ec/0x4ec0 [ 269.144374] ? should_fail+0x22d/0xd01 [ 269.148270] ? mark_held_locks+0x130/0x130 [ 269.152511] ? mark_held_locks+0x130/0x130 [ 269.156754] ? graph_lock+0x170/0x170 [ 269.160557] ? print_usage_bug+0xc0/0xc0 [ 269.164627] ? graph_lock+0x170/0x170 [ 269.168431] ? print_usage_bug+0xc0/0xc0 [ 269.172507] ? wq_watchdog_touch+0x9c/0xfe [ 269.176754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.182294] ? check_preemption_disabled+0x48/0x200 [ 269.187310] ? check_preemption_disabled+0x48/0x200 [ 269.192342] ? __lock_is_held+0xb5/0x140 [ 269.196421] __alloc_pages_nodemask+0xa80/0xde0 [ 269.201124] ? graph_lock+0x170/0x170 [ 269.204933] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.209948] ? graph_lock+0x170/0x170 [ 269.213781] ? find_held_lock+0x36/0x1c0 [ 269.217853] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.222522] ? lock_downgrade+0x900/0x900 [ 269.226683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.232245] cache_grow_begin+0x91/0x8c0 [ 269.236311] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.240744] fallback_alloc+0x203/0x2e0 [ 269.244740] ____cache_alloc_node+0x1c7/0x1e0 [ 269.249261] kmem_cache_alloc_node+0xe3/0x730 [ 269.253785] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.258030] __alloc_skb+0x119/0x770 [ 269.261750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.267038] ? skb_scrub_packet+0x490/0x490 [ 269.271363] ? lock_downgrade+0x900/0x900 [ 269.275545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.281094] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.286560] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.292010] ? addrconf_rs_timer+0x690/0x690 [ 269.296432] ndisc_alloc_skb+0x144/0x340 [ 269.300517] ndisc_send_rs+0x331/0x6e0 [ 269.304416] addrconf_rs_timer+0x314/0x690 [ 269.308669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.312916] call_timer_fn+0x272/0x920 [ 269.316809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.321051] ? process_timeout+0x40/0x40 [ 269.325115] ? find_held_lock+0x36/0x1c0 [ 269.329216] ? __run_timers+0x7da/0xc70 [ 269.333202] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.337716] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.342212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.346471] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.351058] ? trace_hardirqs_on+0xbd/0x310 [ 269.355378] ? kasan_check_read+0x11/0x20 [ 269.359542] ? __run_timers+0x7da/0xc70 [ 269.363520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.369009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.373255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.377496] __run_timers+0x7e5/0xc70 [ 269.381310] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.386688] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.391706] ? graph_lock+0x170/0x170 [ 269.395531] ? enqueue_hrtimer+0x1a5/0x560 [ 269.399789] ? lock_release+0x970/0x970 [ 269.403767] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.408966] ? find_held_lock+0x36/0x1c0 [ 269.413035] ? graph_lock+0x170/0x170 [ 269.416865] ? pvclock_read_flags+0x160/0x160 [ 269.421369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.426931] ? check_preemption_disabled+0x48/0x200 [ 269.431972] ? __lock_is_held+0xb5/0x140 [ 269.436037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.441616] ? check_preemption_disabled+0x48/0x200 [ 269.446675] run_timer_softirq+0x52/0xb0 [ 269.450741] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.455787] __do_softirq+0x30b/0xad8 [ 269.459603] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.464714] ? pvclock_read_flags+0x160/0x160 [ 269.469225] ? lapic_next_event+0x5a/0x90 [ 269.473384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.478925] ? check_preemption_disabled+0x48/0x200 [ 269.483946] ? check_preemption_disabled+0x48/0x200 [ 269.488968] ? kvm_clock_read+0x18/0x30 [ 269.492942] ? kvm_sched_clock_read+0x9/0x20 [ 269.497352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.502896] ? check_preemption_disabled+0x48/0x200 [ 269.507936] irq_exit+0x17f/0x1c0 [ 269.511397] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.516244] ? smp_reschedule_interrupt+0x109/0x650 [ 269.521270] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.527157] ? interrupt_entry+0xb5/0xf0 [ 269.531242] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.536270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.541290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.546137] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.551155] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.556171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.561720] ? check_preemption_disabled+0x48/0x200 [ 269.566736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.572286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.577144] apic_timer_interrupt+0xf/0x20 [ 269.581372] [ 269.583613] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 269.588552] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 269.607462] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.615174] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 269.622470] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 269.629741] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 269.637011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 269.644293] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 269.651599] skb_clone+0x1bb/0x500 [ 269.655145] ? finish_task_switch+0x1b5/0x900 [ 269.659645] ? skb_split+0x11e0/0x11e0 [ 269.663541] ? preempt_notifier_register+0x200/0x200 [ 269.668646] ? __switch_to_asm+0x34/0x70 [ 269.672706] ? __switch_to_asm+0x34/0x70 [ 269.676772] ? __switch_to_asm+0x40/0x70 [ 269.680844] ? __switch_to_asm+0x34/0x70 [ 269.684919] ? __switch_to_asm+0x40/0x70 [ 269.689216] ? __switch_to_asm+0x34/0x70 [ 269.693309] ? __switch_to_asm+0x40/0x70 [ 269.697369] ? __switch_to_asm+0x34/0x70 [ 269.701434] ? __switch_to_asm+0x34/0x70 [ 269.705518] ? __switch_to_asm+0x40/0x70 [ 269.709594] ? __switch_to_asm+0x34/0x70 [ 269.713665] bpf_clone_redirect+0xb9/0x490 [ 269.717907] ? __schedule+0x874/0x1ed0 [ 269.721806] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 269.726826] ? __sched_text_start+0x8/0x8 [ 269.730983] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.735754] ? find_held_lock+0x36/0x1c0 [ 269.739823] ? lock_acquire+0x1ed/0x520 [ 269.743814] ? bpf_test_run+0x32e/0x5a0 [ 269.747800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.753341] ? check_preemption_disabled+0x48/0x200 [ 269.758374] ? kasan_check_read+0x11/0x20 [ 269.762549] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.767850] ? rcu_bh_qs+0xc0/0xc0 [ 269.771391] ? preempt_schedule+0x4d/0x60 [ 269.775539] ? ___preempt_schedule+0x16/0x18 [ 269.779973] ? bpf_test_run+0x1c0/0x5a0 [ 269.783964] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.788378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.793929] ? bpf_test_init.isra.9+0x70/0x100 [ 269.798520] ? bpf_prog_test_run_skb+0x634/0xb40 [ 269.803286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.808131] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.813688] ? fput+0x130/0x1a0 [ 269.816970] ? __bpf_prog_get+0x9b/0x290 [ 269.821035] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.825902] ? bpf_prog_test_run+0x130/0x1a0 [ 269.830315] ? __x64_sys_bpf+0x3d8/0x510 [ 269.834396] ? bpf_prog_get+0x20/0x20 [ 269.838279] ? do_syscall_64+0x1b9/0x820 [ 269.842339] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.847708] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.852644] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.857497] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.862533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.867554] ? prepare_exit_to_usermode+0x291/0x3b0 [ 269.872582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.877434] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.882825] warn_alloc_show_mem: 1 callbacks suppressed [ 269.882836] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 269.882838] Mem-Info: [ 269.882870] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 269.882870] active_file:13 inactive_file:14 isolated_file:0 [ 269.882870] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.882870] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 269.882870] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 269.882870] free:13777 free_pcp:213 free_cma:0 [ 269.888211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.894978] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.897381] Call Trace: [ 269.930255] Node 0 [ 269.939625] dump_stack+0x1c4/0x2b4 [ 269.967148] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 269.969706] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.971915] lowmem_reserve[]: 0 [ 269.975556] warn_alloc.cold.119+0xb7/0x1bd [ 270.001023] 2819 6323 [ 270.006220] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.009479] 6323 [ 270.013797] ? lock_downgrade+0x900/0x900 [ 270.021122] ? trace_hardirqs_off+0xb8/0x310 [ 270.023159] Node 0 [ 270.027317] ? trace_hardirqs_off+0xb8/0x310 [ 270.031725] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 270.033948] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.038330] lowmem_reserve[]: [ 270.065361] ? warn_alloc+0x120/0x120 [ 270.070172] 0 [ 270.073281] ? warn_alloc+0x120/0x120 [ 270.077062] 0 [ 270.078867] ? print_usage_bug+0xc0/0xc0 [ 270.082644] 3503 [ 270.084453] ? warn_alloc+0x120/0x120 [ 270.088507] 3503 [ 270.090565] ? print_usage_bug+0xc0/0xc0 [ 270.096401] ? __lock_acquire+0x7ec/0x4ec0 [ 270.100463] Node 0 [ 270.104694] ? __lock_acquire+0x7ec/0x4ec0 [ 270.104730] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 270.106942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.111154] lowmem_reserve[]: [ 270.139431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.144965] 0 [ 270.148070] ? should_fail+0x22d/0xd01 [ 270.153584] 0 [ 270.155384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.159251] 0 [ 270.161051] ? __lock_acquire+0x7ec/0x4ec0 [ 270.166133] 0 [ 270.167942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.173966] ? __lock_acquire+0x7ec/0x4ec0 [ 270.179045] Node 0 [ 270.183271] ? should_fail+0x22d/0xd01 [ 270.183294] DMA: [ 270.185548] ? mark_held_locks+0x130/0x130 [ 270.189428] 1*4kB [ 270.191508] ? mark_held_locks+0x130/0x130 [ 270.195721] (U) [ 270.197905] ? graph_lock+0x170/0x170 [ 270.202121] 0*8kB [ 270.204094] ? print_usage_bug+0xc0/0xc0 [ 270.207887] 0*16kB [ 270.210032] ? graph_lock+0x170/0x170 [ 270.214076] 1*32kB [ 270.216310] ? print_usage_bug+0xc0/0xc0 [ 270.220090] (U) [ 270.222353] ? wq_watchdog_touch+0x9c/0xfe [ 270.226392] 2*64kB (U) [ 270.228380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.232592] 1*128kB [ 270.235176] ? check_preemption_disabled+0x48/0x200 [ 270.240689] (U) [ 270.243013] ? check_preemption_disabled+0x48/0x200 [ 270.248006] 1*256kB [ 270.249988] ? __lock_is_held+0xb5/0x140 [ 270.254975] (U) [ 270.257301] __alloc_pages_nodemask+0xa80/0xde0 [ 270.261358] 0*512kB [ 270.263334] ? graph_lock+0x170/0x170 [ 270.267999] 1*1024kB [ 270.270333] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.274112] (U) [ 270.276519] ? graph_lock+0x170/0x170 [ 270.281515] 1*2048kB [ 270.283519] ? find_held_lock+0x36/0x1c0 [ 270.287293] (M) [ 270.289724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.293763] 3*4096kB [ 270.295744] ? lock_downgrade+0x900/0x900 [ 270.300386] (M) [ 270.302797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.306936] = 15908kB [ 270.308915] cache_grow_begin+0x91/0x8c0 [ 270.314432] Node 0 [ 270.316853] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.320891] DMA32: [ 270.323131] fallback_alloc+0x203/0x2e0 [ 270.327523] 4*4kB [ 270.329765] ____cache_alloc_node+0x1c7/0x1e0 [ 270.333730] (M) [ 270.335889] kmem_cache_alloc_node+0xe3/0x730 [ 270.340396] 1*8kB [ 270.342384] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.346856] (U) [ 270.349031] __alloc_skb+0x119/0x770 [ 270.353228] 3*16kB [ 270.355216] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.358918] (UM) [ 270.361178] ? skb_scrub_packet+0x490/0x490 [ 270.366457] 3*32kB [ 270.368520] ? lock_downgrade+0x900/0x900 [ 270.372816] (UM) [ 270.375052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.379179] 5*64kB [ 270.381250] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.381268] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.386785] (UM) [ 270.389024] ? addrconf_rs_timer+0x690/0x690 [ 270.394457] 3*128kB [ 270.399921] ndisc_alloc_skb+0x144/0x340 [ 270.401956] (M) [ 270.406371] ndisc_send_rs+0x331/0x6e0 [ 270.408673] 3*256kB [ 270.412739] addrconf_rs_timer+0x314/0x690 [ 270.414689] (M) [ 270.418592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.420893] 4*512kB [ 270.425128] call_timer_fn+0x272/0x920 [ 270.427077] (UM) [ 270.431314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.433615] 3*1024kB [ 270.437502] ? process_timeout+0x40/0x40 [ 270.439550] (UM) [ 270.443779] ? find_held_lock+0x36/0x1c0 [ 270.446173] 1*2048kB [ 270.450244] ? __run_timers+0x7da/0xc70 [ 270.452291] (M) [ 270.456355] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.458748] 4*4096kB [ 270.462714] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.464685] (M) [ 270.469174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.471561] = 25192kB [ 270.476050] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.478005] Node 0 [ 270.482252] ? trace_hardirqs_on+0xbd/0x310 [ 270.484645] Normal: [ 270.489233] ? kasan_check_read+0x11/0x20 [ 270.491464] 824*4kB [ 270.495777] ? __run_timers+0x7da/0xc70 [ 270.498078] (MEH) [ 270.502225] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.504535] 371*8kB [ 270.508508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.510634] (ME) [ 270.516077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.518392] 164*16kB [ 270.522620] __run_timers+0x7e5/0xc70 [ 270.524661] (ME) [ 270.528892] ? find_held_lock+0x36/0x1c0 [ 270.531282] 69*32kB [ 270.535088] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.537127] (UMEH) [ 270.541184] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.543492] 28*64kB [ 270.548864] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.551088] (M) [ 270.555577] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.557878] 1*128kB [ 270.562398] ? trace_hardirqs_on+0xbd/0x310 [ 270.564357] (M) [ 270.568933] ? kasan_check_read+0x11/0x20 [ 270.571266] 0*256kB [ 270.575590] ? finish_task_switch+0x1f5/0x900 [ 270.577545] 0*512kB [ 270.581701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.584002] 1*1024kB [ 270.588495] ? compat_start_thread+0x80/0x80 [ 270.590799] (H) [ 270.596255] ? pvclock_read_flags+0x160/0x160 [ 270.598641] 0*2048kB [ 270.603043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.605001] 0*4096kB [ 270.609493] ? check_preemption_disabled+0x48/0x200 [ 270.611880] = 14040kB [ 270.617426] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 270.619840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.624848] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.627251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.632779] ? rcu_pm_notify+0xc0/0xc0 [ 270.641622] 146 total pagecache pages [ 270.646898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.655478] 0 pages in swap cache [ 270.659362] ? check_preemption_disabled+0x48/0x200 [ 270.663139] Swap cache stats: add 0, delete 0, find 0/0 [ 270.663149] Free swap = 0kB [ 270.668695] run_timer_softirq+0x52/0xb0 [ 270.672117] Total swap = 0kB [ 270.672126] 1965979 pages RAM [ 270.677153] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.682499] 0 pages HighMem/MovableOnly [ 270.682521] 342307 pages reserved [ 270.685548] __do_softirq+0x30b/0xad8 [ 270.689586] 0 pages cma reserved [ 270.689661] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.692618] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.695765] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.700710] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.704660] syz-executor3 cpuset= [ 270.708116] ? schedule+0x108/0x460 [ 270.711891] syz3 [ 270.715263] ? trace_hardirqs_off+0xb8/0x310 [ 270.721734] mems_allowed=0 [ 270.758430] ? smpboot_thread_fn+0x68b/0xa00 [ 270.762865] ? trace_hardirqs_on+0x310/0x310 [ 270.767279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.772820] ? check_preemption_disabled+0x48/0x200 [ 270.777841] ? takeover_tasklets+0xa90/0xa90 [ 270.782252] run_ksoftirqd+0x94/0x100 [ 270.786056] smpboot_thread_fn+0x68b/0xa00 [ 270.790299] ? sort_range+0x30/0x30 [ 270.794060] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.799162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.804704] ? __kthread_parkme+0xfb/0x1a0 [ 270.808949] kthread+0x35a/0x420 [ 270.812315] ? sort_range+0x30/0x30 [ 270.815941] ? kthread_bind+0x40/0x40 [ 270.819751] ret_from_fork+0x3a/0x50 [ 270.823497] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 270.823571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.830694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.830700] Call Trace: [ 270.830706] [ 270.830729] dump_stack+0x1c4/0x2b4 [ 270.830753] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.837337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.846621] warn_alloc.cold.119+0xb7/0x1bd [ 270.849197] ksoftirqd/0 cpuset= [ 270.851351] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.854958] / [ 270.860147] ? lock_downgrade+0x900/0x900 [ 270.870459] mems_allowed=0 [ 270.874792] ? trace_hardirqs_off+0xb8/0x310 [ 270.896063] ? trace_hardirqs_off+0xb8/0x310 [ 270.900488] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.905373] ? warn_alloc+0x120/0x120 [ 270.909197] ? warn_alloc+0x120/0x120 [ 270.913006] ? print_usage_bug+0xc0/0xc0 [ 270.917085] ? warn_alloc+0x120/0x120 [ 270.920893] ? print_usage_bug+0xc0/0xc0 [ 270.924964] ? __lock_acquire+0x7ec/0x4ec0 [ 270.929200] ? __lock_acquire+0x7ec/0x4ec0 [ 270.933446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.938987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.944559] ? should_fail+0x22d/0xd01 [ 270.948460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.953580] ? __lock_acquire+0x7ec/0x4ec0 [ 270.957822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.962926] ? __lock_acquire+0x7ec/0x4ec0 [ 270.967160] ? should_fail+0x22d/0xd01 [ 270.971069] ? mark_held_locks+0x130/0x130 [ 270.975339] ? mark_held_locks+0x130/0x130 [ 270.979577] ? graph_lock+0x170/0x170 [ 270.983419] ? print_usage_bug+0xc0/0xc0 [ 270.987515] ? graph_lock+0x170/0x170 [ 270.991314] ? print_usage_bug+0xc0/0xc0 [ 270.995373] ? wq_watchdog_touch+0x9c/0xfe [ 270.999621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.005160] ? check_preemption_disabled+0x48/0x200 [ 271.010175] ? check_preemption_disabled+0x48/0x200 [ 271.015202] ? __lock_is_held+0xb5/0x140 [ 271.019276] __alloc_pages_nodemask+0xa80/0xde0 [ 271.023949] ? graph_lock+0x170/0x170 [ 271.027769] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.032783] ? graph_lock+0x170/0x170 [ 271.036600] ? find_held_lock+0x36/0x1c0 [ 271.040706] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.045424] ? lock_downgrade+0x900/0x900 [ 271.049592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.055149] cache_grow_begin+0x91/0x8c0 [ 271.059237] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.063668] fallback_alloc+0x203/0x2e0 [ 271.067676] ____cache_alloc_node+0x1c7/0x1e0 [ 271.072178] kmem_cache_alloc_node+0xe3/0x730 [ 271.076676] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.080922] __alloc_skb+0x119/0x770 [ 271.084664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.089956] ? skb_scrub_packet+0x490/0x490 [ 271.094280] ? lock_downgrade+0x900/0x900 [ 271.098445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.103988] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.109457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.114912] ? addrconf_rs_timer+0x690/0x690 [ 271.119362] ndisc_alloc_skb+0x144/0x340 [ 271.123446] ndisc_send_rs+0x331/0x6e0 [ 271.127343] addrconf_rs_timer+0x314/0x690 [ 271.131589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.135838] call_timer_fn+0x272/0x920 [ 271.139727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.143986] ? process_timeout+0x40/0x40 [ 271.148045] ? find_held_lock+0x36/0x1c0 [ 271.152119] ? __run_timers+0x7da/0xc70 [ 271.156100] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.160596] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.165092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.169343] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.173930] ? trace_hardirqs_on+0xbd/0x310 [ 271.178260] ? kasan_check_read+0x11/0x20 [ 271.182408] ? __run_timers+0x7da/0xc70 [ 271.186407] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.191879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.196147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.200384] __run_timers+0x7e5/0xc70 [ 271.204211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.209591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.214612] ? graph_lock+0x170/0x170 [ 271.218419] ? enqueue_hrtimer+0x1a5/0x560 [ 271.222668] ? lock_release+0x970/0x970 [ 271.226648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.231863] ? find_held_lock+0x36/0x1c0 [ 271.235929] ? graph_lock+0x170/0x170 [ 271.239734] ? pvclock_read_flags+0x160/0x160 [ 271.244236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.249777] ? check_preemption_disabled+0x48/0x200 [ 271.254804] ? __lock_is_held+0xb5/0x140 [ 271.258872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.264412] ? check_preemption_disabled+0x48/0x200 [ 271.269462] run_timer_softirq+0x52/0xb0 [ 271.273539] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.278582] __do_softirq+0x30b/0xad8 [ 271.282395] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.287507] ? pvclock_read_flags+0x160/0x160 [ 271.292002] ? lapic_next_event+0x5a/0x90 [ 271.296152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.301702] ? check_preemption_disabled+0x48/0x200 [ 271.306725] ? check_preemption_disabled+0x48/0x200 [ 271.311748] ? kvm_clock_read+0x18/0x30 [ 271.315724] ? kvm_sched_clock_read+0x9/0x20 [ 271.320134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.325672] ? check_preemption_disabled+0x48/0x200 [ 271.330719] irq_exit+0x17f/0x1c0 [ 271.334178] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.339061] ? smp_reschedule_interrupt+0x109/0x650 [ 271.344119] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.350017] ? interrupt_entry+0xb5/0xf0 [ 271.354094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.359116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.364135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.368982] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.373999] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.379017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.384558] ? check_preemption_disabled+0x48/0x200 [ 271.389572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.395132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.399990] apic_timer_interrupt+0xf/0x20 [ 271.404221] [ 271.406480] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.411410] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 271.430318] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.438067] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 271.445348] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 271.452625] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 271.459906] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 271.467176] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 271.474491] skb_clone+0x1bb/0x500 [ 271.478038] ? finish_task_switch+0x1b5/0x900 [ 271.482564] ? skb_split+0x11e0/0x11e0 [ 271.486473] ? preempt_notifier_register+0x200/0x200 [ 271.491575] ? __switch_to_asm+0x34/0x70 [ 271.495636] ? __switch_to_asm+0x34/0x70 [ 271.499711] ? __switch_to_asm+0x40/0x70 [ 271.503773] ? __switch_to_asm+0x34/0x70 [ 271.507849] ? __switch_to_asm+0x40/0x70 [ 271.511908] ? __switch_to_asm+0x34/0x70 [ 271.515972] ? __switch_to_asm+0x40/0x70 [ 271.520042] ? __switch_to_asm+0x34/0x70 [ 271.524112] ? __switch_to_asm+0x34/0x70 [ 271.528175] ? __switch_to_asm+0x40/0x70 [ 271.532240] ? __switch_to_asm+0x34/0x70 [ 271.536313] bpf_clone_redirect+0xb9/0x490 [ 271.540556] ? __schedule+0x874/0x1ed0 [ 271.544462] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 271.549486] ? __sched_text_start+0x8/0x8 [ 271.553643] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.558411] ? find_held_lock+0x36/0x1c0 [ 271.562499] ? lock_acquire+0x1ed/0x520 [ 271.566480] ? bpf_test_run+0x32e/0x5a0 [ 271.570481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.576022] ? check_preemption_disabled+0x48/0x200 [ 271.581047] ? kasan_check_read+0x11/0x20 [ 271.585201] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.590489] ? rcu_bh_qs+0xc0/0xc0 [ 271.594077] ? preempt_schedule+0x4d/0x60 [ 271.598227] ? ___preempt_schedule+0x16/0x18 [ 271.602664] ? bpf_test_run+0x1c0/0x5a0 [ 271.606655] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.611068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.616624] ? bpf_test_init.isra.9+0x70/0x100 [ 271.621212] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.625981] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.630825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.636357] ? fput+0x130/0x1a0 [ 271.639640] ? __bpf_prog_get+0x9b/0x290 [ 271.643705] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.648551] ? bpf_prog_test_run+0x130/0x1a0 [ 271.652963] ? __x64_sys_bpf+0x3d8/0x510 [ 271.657030] ? bpf_prog_get+0x20/0x20 [ 271.660868] ? do_syscall_64+0x1b9/0x820 [ 271.664942] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.670314] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.675263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.680110] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.685129] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.690153] ? prepare_exit_to_usermode+0x291/0x3b0 [ 271.695178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.700061] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.705448] warn_alloc_show_mem: 1 callbacks suppressed [ 271.705459] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 271.705461] Mem-Info: [ 271.705492] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 271.705492] active_file:13 inactive_file:14 isolated_file:0 [ 271.705492] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.705492] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 271.705492] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 271.705492] free:13777 free_pcp:213 free_cma:0 [ 271.710837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.717598] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.720001] Call Trace: [ 271.752866] Node 0 [ 271.762277] dump_stack+0x1c4/0x2b4 [ 271.789779] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.792343] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.794555] lowmem_reserve[]: [ 271.798182] warn_alloc.cold.119+0xb7/0x1bd [ 271.823647] 0 2819 [ 271.828845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.831924] 6323 6323 [ 271.836254] ? lock_downgrade+0x900/0x900 [ 271.843329] ? trace_hardirqs_off+0xb8/0x310 [ 271.845823] Node 0 [ 271.849968] ? trace_hardirqs_off+0xb8/0x310 [ 271.854380] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.856596] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.860973] lowmem_reserve[]: 0 [ 271.887996] ? warn_alloc+0x120/0x120 [ 271.892785] 0 3503 [ 271.896071] ? warn_alloc+0x120/0x120 [ 271.899844] 3503 [ 271.902099] ? print_usage_bug+0xc0/0xc0 [ 271.905880] Node 0 [ 271.907946] ? warn_alloc+0x120/0x120 [ 271.912019] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 271.914224] ? print_usage_bug+0xc0/0xc0 [ 271.918019] lowmem_reserve[]: [ 271.946294] ? __lock_acquire+0x7ec/0x4ec0 [ 271.950331] 0 [ 271.953453] ? __lock_acquire+0x7ec/0x4ec0 [ 271.957661] 0 0 [ 271.959478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.963687] 0 [ 271.965672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.971185] Node 0 [ 271.972988] ? should_fail+0x22d/0xd01 [ 271.978500] DMA: 1*4kB [ 271.980751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.984610] (U) [ 271.987196] ? __lock_acquire+0x7ec/0x4ec0 [ 271.992278] 0*8kB [ 271.994266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.998478] 0*16kB 1*32kB [ 272.000640] ? __lock_acquire+0x7ec/0x4ec0 [ 272.005717] (U) [ 272.008575] ? should_fail+0x22d/0xd01 [ 272.012783] 2*64kB (U) [ 272.014773] ? mark_held_locks+0x130/0x130 [ 272.018629] 1*128kB (U) [ 272.021220] ? mark_held_locks+0x130/0x130 [ 272.025431] 1*256kB (U) [ 272.028118] ? mark_held_locks+0xc7/0x130 [ 272.032335] 0*512kB [ 272.035011] ? print_usage_bug+0xc0/0xc0 [ 272.039142] 1*1024kB [ 272.041485] ? graph_lock+0x170/0x170 [ 272.045545] (U) [ 272.047957] ? print_usage_bug+0xc0/0xc0 [ 272.051742] 1*2048kB [ 272.053718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.057755] (M) [ 272.060165] ? check_preemption_disabled+0x48/0x200 [ 272.065681] 3*4096kB [ 272.067659] ? check_preemption_disabled+0x48/0x200 [ 272.072647] (M) [ 272.075061] ? __lock_is_held+0xb5/0x140 [ 272.080046] = 15908kB [ 272.080055] Node 0 [ 272.082032] __alloc_pages_nodemask+0xa80/0xde0 [ 272.086072] DMA32: [ 272.088478] ? graph_lock+0x170/0x170 [ 272.090704] 4*4kB [ 272.095367] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.097586] (M) [ 272.101381] ? graph_lock+0x170/0x170 [ 272.103512] 1*8kB [ 272.108532] ? find_held_lock+0x36/0x1c0 [ 272.110487] (U) [ 272.114292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.116415] 3*16kB [ 272.120502] ? lock_downgrade+0x900/0x900 [ 272.122466] (UM) [ 272.127136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.129349] 3*32kB [ 272.133493] cache_grow_begin+0x91/0x8c0 [ 272.135533] (UM) [ 272.141072] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.143291] 5*64kB [ 272.147357] fallback_alloc+0x203/0x2e0 [ 272.149410] (UM) [ 272.153816] ____cache_alloc_node+0x1c7/0x1e0 [ 272.156040] 3*128kB (M) [ 272.160027] kmem_cache_alloc_node+0xe3/0x730 [ 272.162071] 3*256kB [ 272.166564] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.169211] (M) [ 272.173710] __alloc_skb+0x119/0x770 [ 272.176019] 4*512kB [ 272.180255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.182209] (UM) [ 272.185920] ? skb_scrub_packet+0x490/0x490 [ 272.188221] 3*1024kB [ 272.193498] ? lock_downgrade+0x900/0x900 [ 272.195544] (UM) [ 272.199863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.202254] 1*2048kB [ 272.206399] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.208447] (M) [ 272.213989] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.216382] 4*4096kB [ 272.221828] ? addrconf_rs_timer+0x690/0x690 [ 272.223782] (M) [ 272.229233] ndisc_alloc_skb+0x144/0x340 [ 272.231619] = 25192kB [ 272.236021] ndisc_send_rs+0x331/0x6e0 [ 272.237979] Node 0 [ 272.242037] addrconf_rs_timer+0x314/0x690 [ 272.244422] Normal: [ 272.248320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.250536] 824*4kB [ 272.254784] call_timer_fn+0x272/0x920 [ 272.257082] (MEH) [ 272.261316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.263634] 371*8kB [ 272.267520] ? process_timeout+0x40/0x40 [ 272.269662] (ME) [ 272.273892] ? find_held_lock+0x36/0x1c0 [ 272.276194] 164*16kB (ME) [ 272.280268] ? __run_timers+0x7da/0xc70 [ 272.282302] 69*32kB (UMEH) [ 272.286390] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.289214] 28*64kB [ 272.293198] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.296120] (M) [ 272.300627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.302923] 1*128kB (M) [ 272.307435] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.309417] 0*256kB [ 272.313657] ? trace_hardirqs_on+0xbd/0x310 [ 272.316302] 0*512kB 1*1024kB [ 272.320888] ? kasan_check_read+0x11/0x20 [ 272.323198] (H) [ 272.327517] ? __run_timers+0x7da/0xc70 [ 272.330601] 0*2048kB [ 272.334748] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.336715] 0*4096kB [ 272.340694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.343082] = 14040kB [ 272.348534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.350932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.355159] __run_timers+0x7e5/0xc70 [ 272.357557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.361790] ? find_held_lock+0x36/0x1c0 [ 272.370610] 146 total pagecache pages [ 272.374462] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.383014] 0 pages in swap cache [ 272.387067] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.390851] Swap cache stats: add 0, delete 0, find 0/0 [ 272.396208] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.399641] Free swap = 0kB [ 272.404142] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.409500] Total swap = 0kB [ 272.413989] ? trace_hardirqs_on+0xbd/0x310 [ 272.416989] 1965979 pages RAM [ 272.421568] ? kasan_check_read+0x11/0x20 [ 272.424579] 0 pages HighMem/MovableOnly [ 272.428895] ? finish_task_switch+0x1f5/0x900 [ 272.431972] 342307 pages reserved [ 272.431981] 0 pages cma reserved [ 272.436167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.440191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.444655] ? compat_start_thread+0x80/0x80 [ 272.448182] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.451482] ? pvclock_read_flags+0x160/0x160 [ 272.456906] syz-executor3 cpuset= [ 272.463397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.467782] syz3 [ 272.478268] ? check_preemption_disabled+0x48/0x200 [ 272.482738] mems_allowed=0 [ 272.501623] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 272.507161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.512460] ? rcu_pm_notify+0xc0/0xc0 [ 272.516350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.521887] ? check_preemption_disabled+0x48/0x200 [ 272.526915] run_timer_softirq+0x52/0xb0 [ 272.530977] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.536018] __do_softirq+0x30b/0xad8 [ 272.539837] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.544946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.549711] ? schedule+0x108/0x460 [ 272.553357] ? trace_hardirqs_off+0xb8/0x310 [ 272.557795] ? smpboot_thread_fn+0x68b/0xa00 [ 272.562209] ? trace_hardirqs_on+0x310/0x310 [ 272.566622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.572166] ? check_preemption_disabled+0x48/0x200 [ 272.577207] ? takeover_tasklets+0xa90/0xa90 [ 272.581646] run_ksoftirqd+0x94/0x100 [ 272.585457] smpboot_thread_fn+0x68b/0xa00 [ 272.589711] ? sort_range+0x30/0x30 [ 272.593370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.598479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.604034] ? __kthread_parkme+0xfb/0x1a0 [ 272.608291] kthread+0x35a/0x420 [ 272.611658] ? sort_range+0x30/0x30 [ 272.615305] ? kthread_bind+0x40/0x40 [ 272.619107] ret_from_fork+0x3a/0x50 [ 272.622842] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 272.622913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.630031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.630037] Call Trace: [ 272.630043] [ 272.630062] dump_stack+0x1c4/0x2b4 [ 272.630079] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.636607] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.645918] warn_alloc.cold.119+0xb7/0x1bd [ 272.648473] ksoftirqd/0 cpuset= [ 272.650621] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.654241] / [ 272.659426] ? lock_downgrade+0x900/0x900 [ 272.669727] mems_allowed=0 [ 272.674049] ? trace_hardirqs_off+0xb8/0x310 [ 272.695296] ? trace_hardirqs_off+0xb8/0x310 [ 272.699736] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.704614] ? warn_alloc+0x120/0x120 [ 272.708433] ? trace_hardirqs_on+0x310/0x310 [ 272.712894] ? warn_alloc+0x120/0x120 [ 272.716725] ? print_usage_bug+0xc0/0xc0 [ 272.720824] ? warn_alloc+0x120/0x120 [ 272.724627] ? ktime_get+0x2e1/0x440 [ 272.728350] ? print_usage_bug+0xc0/0xc0 [ 272.732427] ? __lock_acquire+0x7ec/0x4ec0 [ 272.736671] ? __lock_acquire+0x7ec/0x4ec0 [ 272.740918] ? kasan_check_read+0x11/0x20 [ 272.745069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.750608] ? should_fail+0x22d/0xd01 [ 272.754518] ? rcu_bh_qs+0xc0/0xc0 [ 272.758076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.763192] ? __lock_acquire+0x7ec/0x4ec0 [ 272.767450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.772555] ? __lock_acquire+0x7ec/0x4ec0 [ 272.776791] ? should_fail+0x22d/0xd01 [ 272.780684] ? rcu_idle_enter+0x4b0/0x4b0 [ 272.784842] ? mark_held_locks+0x130/0x130 [ 272.789085] ? mark_held_locks+0x130/0x130 [ 272.793330] ? mark_held_locks+0xc7/0x130 [ 272.797960] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 272.802980] ? graph_lock+0x170/0x170 [ 272.806806] ? print_usage_bug+0xc0/0xc0 [ 272.810873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.816414] ? check_preemption_disabled+0x48/0x200 [ 272.821473] ? check_preemption_disabled+0x48/0x200 [ 272.826501] ? __lock_is_held+0xb5/0x140 [ 272.830573] __alloc_pages_nodemask+0xa80/0xde0 [ 272.835262] ? graph_lock+0x170/0x170 [ 272.839070] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.844093] ? graph_lock+0x170/0x170 [ 272.847907] ? find_held_lock+0x36/0x1c0 [ 272.851981] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.856651] ? lock_downgrade+0x900/0x900 [ 272.860836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.866378] cache_grow_begin+0x91/0x8c0 [ 272.870459] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.874882] fallback_alloc+0x203/0x2e0 [ 272.878865] ____cache_alloc_node+0x1c7/0x1e0 [ 272.883368] kmem_cache_alloc_node+0xe3/0x730 [ 272.887864] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.892109] __alloc_skb+0x119/0x770 [ 272.895828] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.901123] ? skb_scrub_packet+0x490/0x490 [ 272.905451] ? lock_downgrade+0x900/0x900 [ 272.909622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.915164] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.920633] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.926084] ? addrconf_rs_timer+0x690/0x690 [ 272.930508] ndisc_alloc_skb+0x144/0x340 [ 272.934579] ndisc_send_rs+0x331/0x6e0 [ 272.938483] addrconf_rs_timer+0x314/0x690 [ 272.942733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.947000] call_timer_fn+0x272/0x920 [ 272.950910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.955150] ? process_timeout+0x40/0x40 [ 272.959220] ? find_held_lock+0x36/0x1c0 [ 272.963305] ? __run_timers+0x7da/0xc70 [ 272.967298] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.971792] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.976286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.980521] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.985109] ? trace_hardirqs_on+0xbd/0x310 [ 272.989446] ? kasan_check_read+0x11/0x20 [ 272.993633] ? __run_timers+0x7da/0xc70 [ 272.997623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.003087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.007332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.011570] __run_timers+0x7e5/0xc70 [ 273.015386] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.020766] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.025788] ? graph_lock+0x170/0x170 [ 273.029599] ? enqueue_hrtimer+0x1a5/0x560 [ 273.033836] ? lock_release+0x970/0x970 [ 273.037814] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.043012] ? find_held_lock+0x36/0x1c0 [ 273.047080] ? graph_lock+0x170/0x170 [ 273.050887] ? pvclock_read_flags+0x160/0x160 [ 273.055412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.060979] ? check_preemption_disabled+0x48/0x200 [ 273.066013] ? __lock_is_held+0xb5/0x140 [ 273.070087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.075632] ? check_preemption_disabled+0x48/0x200 [ 273.080679] run_timer_softirq+0x52/0xb0 [ 273.084743] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.089787] __do_softirq+0x30b/0xad8 [ 273.093609] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.098720] ? pvclock_read_flags+0x160/0x160 [ 273.103219] ? lapic_next_event+0x5a/0x90 [ 273.107378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.112923] ? check_preemption_disabled+0x48/0x200 [ 273.117942] ? check_preemption_disabled+0x48/0x200 [ 273.122964] ? kvm_clock_read+0x18/0x30 [ 273.126943] ? kvm_sched_clock_read+0x9/0x20 [ 273.131357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.136898] ? check_preemption_disabled+0x48/0x200 [ 273.141932] irq_exit+0x17f/0x1c0 [ 273.145405] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.150260] ? smp_reschedule_interrupt+0x109/0x650 [ 273.155283] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.161170] ? interrupt_entry+0xb5/0xf0 [ 273.165248] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.170264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.175279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.180125] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.185158] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.190202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.195767] ? check_preemption_disabled+0x48/0x200 [ 273.200794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.206345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.211200] apic_timer_interrupt+0xf/0x20 [ 273.215435] [ 273.217688] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.222622] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 273.241522] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.249241] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.256515] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 273.263784] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 273.271049] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.278318] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 273.285627] skb_clone+0x1bb/0x500 [ 273.289185] ? finish_task_switch+0x1b5/0x900 [ 273.293690] ? skb_split+0x11e0/0x11e0 [ 273.297585] ? preempt_notifier_register+0x200/0x200 [ 273.302686] ? __switch_to_asm+0x34/0x70 [ 273.306744] ? __switch_to_asm+0x34/0x70 [ 273.310821] ? __switch_to_asm+0x40/0x70 [ 273.314881] ? __switch_to_asm+0x34/0x70 [ 273.318940] ? __switch_to_asm+0x40/0x70 [ 273.323002] ? __switch_to_asm+0x34/0x70 [ 273.327062] ? __switch_to_asm+0x40/0x70 [ 273.331124] ? __switch_to_asm+0x34/0x70 [ 273.335187] ? __switch_to_asm+0x34/0x70 [ 273.339251] ? __switch_to_asm+0x40/0x70 [ 273.343316] ? __switch_to_asm+0x34/0x70 [ 273.347432] bpf_clone_redirect+0xb9/0x490 [ 273.351691] ? __schedule+0x874/0x1ed0 [ 273.355586] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 273.360618] ? __sched_text_start+0x8/0x8 [ 273.364771] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.369541] ? find_held_lock+0x36/0x1c0 [ 273.373609] ? lock_acquire+0x1ed/0x520 [ 273.377598] ? bpf_test_run+0x32e/0x5a0 [ 273.381572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.387115] ? check_preemption_disabled+0x48/0x200 [ 273.392140] ? kasan_check_read+0x11/0x20 [ 273.396302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.401580] ? rcu_bh_qs+0xc0/0xc0 [ 273.405125] ? preempt_schedule+0x4d/0x60 [ 273.409281] ? ___preempt_schedule+0x16/0x18 [ 273.413719] ? bpf_test_run+0x1c0/0x5a0 [ 273.417705] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.422118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.427667] ? bpf_test_init.isra.9+0x70/0x100 [ 273.432258] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.437026] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.441868] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.447425] ? fput+0x130/0x1a0 [ 273.450726] ? __bpf_prog_get+0x9b/0x290 [ 273.454808] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.459659] ? bpf_prog_test_run+0x130/0x1a0 [ 273.464077] ? __x64_sys_bpf+0x3d8/0x510 [ 273.468155] ? bpf_prog_get+0x20/0x20 [ 273.471997] ? do_syscall_64+0x1b9/0x820 [ 273.476072] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.481449] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.486385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.491243] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.496264] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.501287] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.506322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.511177] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.516554] warn_alloc_show_mem: 1 callbacks suppressed [ 273.516579] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 273.516581] Mem-Info: [ 273.516613] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 273.516613] active_file:13 inactive_file:14 isolated_file:0 [ 273.516613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.516613] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 273.516613] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 273.516613] free:13777 free_pcp:213 free_cma:0 [ 273.521963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.528737] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.531144] Call Trace: [ 273.564010] Node 0 [ 273.573370] dump_stack+0x1c4/0x2b4 [ 273.600917] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 273.603483] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.605691] lowmem_reserve[]: 0 [ 273.609385] warn_alloc.cold.119+0xb7/0x1bd [ 273.634855] 2819 6323 [ 273.640057] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.643311] 6323 [ 273.647642] ? lock_downgrade+0x900/0x900 [ 273.650116] Node 0 [ 273.654959] ? trace_hardirqs_off+0xb8/0x310 [ 273.657026] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 273.661150] ? trace_hardirqs_off+0xb8/0x310 [ 273.663373] lowmem_reserve[]: 0 [ 273.667841] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.694951] 0 3503 [ 273.699404] ? warn_alloc+0x120/0x120 [ 273.702653] 3503 [ 273.707503] ? warn_alloc+0x120/0x120 [ 273.713534] ? print_usage_bug+0xc0/0xc0 [ 273.715575] Node 0 [ 273.719370] ? warn_alloc+0x120/0x120 [ 273.723450] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 273.725667] ? print_usage_bug+0xc0/0xc0 [ 273.729455] lowmem_reserve[]: [ 273.757740] ? __lock_acquire+0x7ec/0x4ec0 [ 273.761804] 0 [ 273.764921] ? __lock_acquire+0x7ec/0x4ec0 [ 273.769134] 0 [ 273.770938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.775143] 0 0 [ 273.776957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.782476] Node 0 [ 273.784457] ? should_fail+0x22d/0xd01 [ 273.789972] DMA: [ 273.792212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.796082] 1*4kB [ 273.798155] ? __lock_acquire+0x7ec/0x4ec0 [ 273.803249] (U) [ 273.805403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.809619] 0*8kB [ 273.811595] ? __lock_acquire+0x7ec/0x4ec0 [ 273.816673] 0*16kB 1*32kB [ 273.818864] ? should_fail+0x22d/0xd01 [ 273.823087] (U) 2*64kB [ 273.825943] ? mark_held_locks+0x130/0x130 [ 273.829813] (U) [ 273.832409] ? mark_held_locks+0x130/0x130 [ 273.836646] 1*128kB [ 273.838621] ? graph_lock+0x170/0x170 [ 273.842842] (U) [ 273.845166] ? print_usage_bug+0xc0/0xc0 [ 273.848943] 1*256kB (U) [ 273.850926] ? graph_lock+0x170/0x170 [ 273.854965] 0*512kB 1*1024kB [ 273.857647] ? print_usage_bug+0xc0/0xc0 [ 273.861425] (U) [ 273.864539] ? wq_watchdog_touch+0x9c/0xfe [ 273.868577] 1*2048kB [ 273.870554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.874767] (M) [ 273.877178] ? check_preemption_disabled+0x48/0x200 [ 273.882690] 3*4096kB [ 273.884664] ? check_preemption_disabled+0x48/0x200 [ 273.889655] (M) [ 273.892080] ? __lock_is_held+0xb5/0x140 [ 273.897102] = 15908kB [ 273.899082] __alloc_pages_nodemask+0xa80/0xde0 [ 273.903118] Node 0 [ 273.905525] ? graph_lock+0x170/0x170 [ 273.910177] DMA32: [ 273.912412] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.916189] 4*4kB [ 273.918418] ? graph_lock+0x170/0x170 [ 273.923412] (M) [ 273.925577] ? find_held_lock+0x36/0x1c0 [ 273.929347] 1*8kB (U) [ 273.931336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.935371] 3*16kB [ 273.937863] ? lock_downgrade+0x900/0x900 [ 273.942512] (UM) [ 273.944769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.948888] 3*32kB [ 273.950948] cache_grow_begin+0x91/0x8c0 [ 273.956465] (UM) [ 273.958705] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.962757] 5*64kB [ 273.964819] fallback_alloc+0x203/0x2e0 [ 273.969203] (UM) [ 273.971463] ____cache_alloc_node+0x1c7/0x1e0 [ 273.975413] 3*128kB [ 273.977479] kmem_cache_alloc_node+0xe3/0x730 [ 273.981962] (M) [ 273.984285] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.988758] 3*256kB [ 273.990766] __alloc_skb+0x119/0x770 [ 273.994967] (M) [ 273.997291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.000981] 4*512kB [ 274.002957] ? skb_scrub_packet+0x490/0x490 [ 274.008215] (UM) [ 274.010549] ? lock_downgrade+0x900/0x900 [ 274.014846] 3*1024kB (UM) [ 274.016925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.021042] 1*2048kB (M) [ 274.023895] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.029434] 4*4096kB (M) [ 274.032213] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.037638] = 25192kB [ 274.037647] Node 0 [ 274.040408] ? addrconf_rs_timer+0x690/0x690 [ 274.045840] Normal: [ 274.048264] ndisc_alloc_skb+0x144/0x340 [ 274.050478] 824*4kB [ 274.054885] ndisc_send_rs+0x331/0x6e0 [ 274.057179] (MEH) 371*8kB [ 274.061261] addrconf_rs_timer+0x314/0x690 [ 274.063566] (ME) [ 274.067475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.070309] 164*16kB (ME) [ 274.074561] call_timer_fn+0x272/0x920 [ 274.076598] 69*32kB (UMEH) [ 274.080862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.083681] 28*64kB (M) [ 274.087591] ? process_timeout+0x40/0x40 [ 274.090496] 1*128kB (M) [ 274.094747] ? find_held_lock+0x36/0x1c0 [ 274.097396] 0*256kB [ 274.101465] ? __run_timers+0x7da/0xc70 [ 274.104116] 0*512kB [ 274.108172] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.110500] 1*1024kB (H) [ 274.114508] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.116812] 0*2048kB 0*4096kB [ 274.121311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.121328] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.124068] = 14040kB [ 274.128563] ? trace_hardirqs_on+0xbd/0x310 [ 274.131746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.135983] ? kasan_check_read+0x11/0x20 [ 274.140549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.142948] ? __run_timers+0x7da/0xc70 [ 274.147276] 146 total pagecache pages [ 274.156122] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.160256] 0 pages in swap cache [ 274.168825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.172780] Swap cache stats: add 0, delete 0, find 0/0 [ 274.176577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.182002] Free swap = 0kB [ 274.182011] Total swap = 0kB [ 274.185470] __run_timers+0x7e5/0xc70 [ 274.189684] 1965979 pages RAM [ 274.195046] ? find_held_lock+0x36/0x1c0 [ 274.199255] 0 pages HighMem/MovableOnly [ 274.199264] 342307 pages reserved [ 274.202285] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.205277] 0 pages cma reserved [ 274.209076] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.212219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.216214] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.220347] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.223628] ? lockdep_hardirqs_on+0x421/0x5c0 [ 274.228973] syz-executor3 cpuset= [ 274.232341] ? trace_hardirqs_on+0xbd/0x310 [ 274.236815] syz3 [ 274.243300] ? kasan_check_read+0x11/0x20 [ 274.243319] ? finish_task_switch+0x1f5/0x900 [ 274.247798] mems_allowed=0 [ 274.258276] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.289548] ? compat_start_thread+0x80/0x80 [ 274.293977] ? pvclock_read_flags+0x160/0x160 [ 274.298475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.304025] ? check_preemption_disabled+0x48/0x200 [ 274.309055] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 274.314617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.319897] ? rcu_pm_notify+0xc0/0xc0 [ 274.323784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.329335] ? check_preemption_disabled+0x48/0x200 [ 274.334399] run_timer_softirq+0x52/0xb0 [ 274.338466] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.343492] __do_softirq+0x30b/0xad8 [ 274.347303] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.352405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.357191] ? schedule+0x108/0x460 [ 274.360830] ? trace_hardirqs_off+0xb8/0x310 [ 274.365238] ? smpboot_thread_fn+0x68b/0xa00 [ 274.369669] ? trace_hardirqs_on+0x310/0x310 [ 274.374094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.379632] ? check_preemption_disabled+0x48/0x200 [ 274.384652] ? takeover_tasklets+0xa90/0xa90 [ 274.389064] run_ksoftirqd+0x94/0x100 [ 274.392863] smpboot_thread_fn+0x68b/0xa00 [ 274.397104] ? sort_range+0x30/0x30 [ 274.400739] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.405844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.411384] ? __kthread_parkme+0xfb/0x1a0 [ 274.415631] kthread+0x35a/0x420 [ 274.419002] ? sort_range+0x30/0x30 [ 274.422647] ? kthread_bind+0x40/0x40 [ 274.426460] ret_from_fork+0x3a/0x50 [ 274.430193] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 274.430263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.437383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.437389] Call Trace: [ 274.437395] [ 274.437414] dump_stack+0x1c4/0x2b4 [ 274.437456] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.443993] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.453302] warn_alloc.cold.119+0xb7/0x1bd [ 274.455867] ksoftirqd/0 cpuset= [ 274.458020] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.461642] / [ 274.466843] ? lock_downgrade+0x900/0x900 [ 274.477132] mems_allowed=0 [ 274.481483] ? trace_hardirqs_off+0xb8/0x310 [ 274.502787] ? trace_hardirqs_off+0xb8/0x310 [ 274.507210] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.512091] ? warn_alloc+0x120/0x120 [ 274.515894] ? trace_hardirqs_on+0x310/0x310 [ 274.520307] ? warn_alloc+0x120/0x120 [ 274.524114] ? print_usage_bug+0xc0/0xc0 [ 274.528176] ? warn_alloc+0x120/0x120 [ 274.531979] ? ktime_get+0x2e1/0x440 [ 274.535697] ? print_usage_bug+0xc0/0xc0 [ 274.539765] ? __lock_acquire+0x7ec/0x4ec0 [ 274.544003] ? __lock_acquire+0x7ec/0x4ec0 [ 274.548281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.553821] ? should_fail+0x22d/0xd01 [ 274.557722] ? __lock_acquire+0x7ec/0x4ec0 [ 274.561964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.567068] ? __lock_acquire+0x7ec/0x4ec0 [ 274.571310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.576428] ? __lock_acquire+0x7ec/0x4ec0 [ 274.580673] ? should_fail+0x22d/0xd01 [ 274.584579] ? mark_held_locks+0x130/0x130 [ 274.588821] ? mark_held_locks+0x130/0x130 [ 274.593068] ? graph_lock+0x170/0x170 [ 274.596873] ? print_usage_bug+0xc0/0xc0 [ 274.600942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.606485] ? check_preemption_disabled+0x48/0x200 [ 274.611517] ? check_preemption_disabled+0x48/0x200 [ 274.616596] ? __lock_is_held+0xb5/0x140 [ 274.620669] __alloc_pages_nodemask+0xa80/0xde0 [ 274.625350] ? graph_lock+0x170/0x170 [ 274.629167] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.634198] ? graph_lock+0x170/0x170 [ 274.638014] ? find_held_lock+0x36/0x1c0 [ 274.642101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.646782] ? lock_downgrade+0x900/0x900 [ 274.650944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.656512] cache_grow_begin+0x91/0x8c0 [ 274.660611] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.665032] fallback_alloc+0x203/0x2e0 [ 274.669015] ____cache_alloc_node+0x1c7/0x1e0 [ 274.673556] kmem_cache_alloc_node+0xe3/0x730 [ 274.678059] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.682310] __alloc_skb+0x119/0x770 [ 274.686043] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.691326] ? skb_scrub_packet+0x490/0x490 [ 274.695652] ? lock_downgrade+0x900/0x900 [ 274.699822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.705364] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.710835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.716291] ? addrconf_rs_timer+0x690/0x690 [ 274.720719] ndisc_alloc_skb+0x144/0x340 [ 274.724789] ndisc_send_rs+0x331/0x6e0 [ 274.728687] addrconf_rs_timer+0x314/0x690 [ 274.732942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.737217] call_timer_fn+0x272/0x920 [ 274.741110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.745349] ? process_timeout+0x40/0x40 [ 274.749409] ? find_held_lock+0x36/0x1c0 [ 274.753490] ? __run_timers+0x7da/0xc70 [ 274.757475] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.761975] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.766480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.770716] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.775301] ? trace_hardirqs_on+0xbd/0x310 [ 274.779619] ? kasan_check_read+0x11/0x20 [ 274.783767] ? __run_timers+0x7da/0xc70 [ 274.787744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.793224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.797943] __run_timers+0x7e5/0xc70 [ 274.801759] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.807126] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.812151] ? graph_lock+0x170/0x170 [ 274.815964] ? enqueue_hrtimer+0x1a5/0x560 [ 274.820202] ? lock_release+0x970/0x970 [ 274.824186] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.829396] ? find_held_lock+0x36/0x1c0 [ 274.833473] ? graph_lock+0x170/0x170 [ 274.837282] ? pvclock_read_flags+0x160/0x160 [ 274.841780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.847337] ? check_preemption_disabled+0x48/0x200 [ 274.852384] ? __lock_is_held+0xb5/0x140 [ 274.856474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.862024] ? check_preemption_disabled+0x48/0x200 [ 274.867062] run_timer_softirq+0x52/0xb0 [ 274.871135] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.876172] __do_softirq+0x30b/0xad8 [ 274.880003] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.885118] ? pvclock_read_flags+0x160/0x160 [ 274.889626] ? lapic_next_event+0x5a/0x90 [ 274.893790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.899331] ? check_preemption_disabled+0x48/0x200 [ 274.904348] ? check_preemption_disabled+0x48/0x200 [ 274.909370] ? kvm_clock_read+0x18/0x30 [ 274.913351] ? kvm_sched_clock_read+0x9/0x20 [ 274.917765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.923319] ? check_preemption_disabled+0x48/0x200 [ 274.928351] irq_exit+0x17f/0x1c0 [ 274.931828] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.936677] ? smp_reschedule_interrupt+0x109/0x650 [ 274.941711] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.947609] ? interrupt_entry+0xb5/0xf0 [ 274.951678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.956708] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.961726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.966572] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.971590] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.976638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.982185] ? check_preemption_disabled+0x48/0x200 [ 274.987207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.992780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.997639] apic_timer_interrupt+0xf/0x20 [ 275.001887] [ 275.004127] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 275.009058] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 275.027977] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.035702] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.042978] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 275.050262] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 275.057529] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 275.064801] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 275.072155] skb_clone+0x1bb/0x500 [ 275.075703] ? finish_task_switch+0x1b5/0x900 [ 275.080204] ? skb_split+0x11e0/0x11e0 [ 275.084106] ? preempt_notifier_register+0x200/0x200 [ 275.089248] ? __switch_to_asm+0x34/0x70 [ 275.093327] ? __switch_to_asm+0x34/0x70 [ 275.097388] ? __switch_to_asm+0x40/0x70 [ 275.101483] ? __switch_to_asm+0x34/0x70 [ 275.105569] ? __switch_to_asm+0x40/0x70 [ 275.109663] ? __switch_to_asm+0x34/0x70 [ 275.113745] ? __switch_to_asm+0x40/0x70 [ 275.117835] ? __switch_to_asm+0x34/0x70 [ 275.121909] ? __switch_to_asm+0x34/0x70 [ 275.125967] ? __switch_to_asm+0x40/0x70 [ 275.130027] ? __switch_to_asm+0x34/0x70 [ 275.134111] bpf_clone_redirect+0xb9/0x490 [ 275.138348] ? __schedule+0x874/0x1ed0 [ 275.142250] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 275.147271] ? __sched_text_start+0x8/0x8 [ 275.151433] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.156215] ? find_held_lock+0x36/0x1c0 [ 275.160294] ? lock_acquire+0x1ed/0x520 [ 275.164270] ? bpf_test_run+0x32e/0x5a0 [ 275.168255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.173813] ? check_preemption_disabled+0x48/0x200 [ 275.178835] ? kasan_check_read+0x11/0x20 [ 275.182994] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.188287] ? rcu_bh_qs+0xc0/0xc0 [ 275.191833] ? preempt_schedule+0x4d/0x60 [ 275.195985] ? ___preempt_schedule+0x16/0x18 [ 275.200418] ? bpf_test_run+0x1c0/0x5a0 [ 275.204409] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.208844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.214380] ? bpf_test_init.isra.9+0x70/0x100 [ 275.218969] ? bpf_prog_test_run_skb+0x634/0xb40 [ 275.223762] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.228605] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.234141] ? fput+0x130/0x1a0 [ 275.237446] ? __bpf_prog_get+0x9b/0x290 [ 275.241524] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.246365] ? bpf_prog_test_run+0x130/0x1a0 [ 275.250779] ? __x64_sys_bpf+0x3d8/0x510 [ 275.254841] ? bpf_prog_get+0x20/0x20 [ 275.258662] ? do_syscall_64+0x1b9/0x820 [ 275.262729] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.268100] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.273030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.277908] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.282930] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.287951] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.292978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.297846] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.303266] warn_alloc_show_mem: 1 callbacks suppressed [ 275.303278] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 275.303280] Mem-Info: [ 275.303310] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 275.303310] active_file:13 inactive_file:14 isolated_file:0 [ 275.303310] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.303310] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 275.303310] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 275.303310] free:13777 free_pcp:213 free_cma:0 [ 275.308674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.315434] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.317835] Call Trace: [ 275.350719] Node 0 [ 275.360086] dump_stack+0x1c4/0x2b4 [ 275.387581] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 275.390146] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.392356] lowmem_reserve[]: [ 275.395989] warn_alloc.cold.119+0xb7/0x1bd [ 275.421490] 0 2819 [ 275.426703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.429783] 6323 6323 [ 275.434114] ? lock_downgrade+0x900/0x900 [ 275.441177] ? trace_hardirqs_off+0xb8/0x310 [ 275.443665] Node 0 [ 275.447855] ? trace_hardirqs_off+0xb8/0x310 [ 275.452273] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 275.454493] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.458909] lowmem_reserve[]: 0 [ 275.485923] ? warn_alloc+0x120/0x120 [ 275.490727] 0 [ 275.494008] ? warn_alloc+0x120/0x120 [ 275.497785] 3503 [ 275.499589] ? print_usage_bug+0xc0/0xc0 [ 275.503368] 3503 [ 275.505432] ? warn_alloc+0x120/0x120 [ 275.511539] ? print_usage_bug+0xc0/0xc0 [ 275.515315] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 275.519414] ? __lock_acquire+0x7ec/0x4ec0 [ 275.519431] ? __lock_acquire+0x7ec/0x4ec0 [ 275.548311] lowmem_reserve[]: [ 275.552550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.556770] 0 [ 275.559897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.565402] 0 0 [ 275.567213] ? should_fail+0x22d/0xd01 [ 275.572731] 0 [ 275.572746] Node 0 [ 275.574737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.578597] DMA: [ 275.580397] ? __lock_acquire+0x7ec/0x4ec0 [ 275.582611] 1*4kB [ 275.587708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.589752] (U) [ 275.593986] ? __lock_acquire+0x7ec/0x4ec0 [ 275.596128] 0*8kB [ 275.601237] ? should_fail+0x22d/0xd01 [ 275.603196] 0*16kB 1*32kB [ 275.607485] ? mark_held_locks+0x130/0x130 [ 275.609610] (U) [ 275.613491] ? mark_held_locks+0x130/0x130 [ 275.616310] 2*64kB (U) [ 275.620550] ? graph_lock+0x170/0x170 [ 275.622503] 1*128kB (U) [ 275.626748] ? print_usage_bug+0xc0/0xc0 [ 275.629322] 1*256kB (U) [ 275.633171] ? graph_lock+0x170/0x170 [ 275.635825] 0*512kB 1*1024kB [ 275.639907] ? print_usage_bug+0xc0/0xc0 [ 275.642559] (U) [ 275.646371] ? wq_watchdog_touch+0x9c/0xfe [ 275.649488] 1*2048kB [ 275.653544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.655500] (M) [ 275.659744] ? check_preemption_disabled+0x48/0x200 [ 275.662128] 3*4096kB [ 275.667662] ? check_preemption_disabled+0x48/0x200 [ 275.669615] (M) [ 275.674644] ? __lock_is_held+0xb5/0x140 [ 275.677029] = 15908kB [ 275.682061] __alloc_pages_nodemask+0xa80/0xde0 [ 275.684017] Node 0 [ 275.688253] ? graph_lock+0x170/0x170 [ 275.690648] DMA32: [ 275.695327] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.697550] 4*4kB [ 275.701351] ? graph_lock+0x170/0x170 [ 275.703571] (M) [ 275.708594] ? find_held_lock+0x36/0x1c0 [ 275.710728] 1*8kB [ 275.714546] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.716497] (U) [ 275.720559] ? lock_downgrade+0x900/0x900 [ 275.722688] 3*16kB [ 275.727382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.729311] (UM) [ 275.733476] cache_grow_begin+0x91/0x8c0 [ 275.735694] 3*32kB [ 275.741231] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.743278] (UM) [ 275.747343] fallback_alloc+0x203/0x2e0 [ 275.749561] 5*64kB [ 275.753966] ____cache_alloc_node+0x1c7/0x1e0 [ 275.756008] (UM) [ 275.759980] kmem_cache_alloc_node+0xe3/0x730 [ 275.762200] 3*128kB [ 275.766695] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.768746] (M) [ 275.773246] __alloc_skb+0x119/0x770 [ 275.775552] 3*256kB [ 275.779805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.781762] (M) [ 275.785478] ? skb_scrub_packet+0x490/0x490 [ 275.787784] 4*512kB [ 275.793056] ? lock_downgrade+0x900/0x900 [ 275.795014] (UM) [ 275.799341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.801642] 3*1024kB [ 275.805797] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.807839] (UM) [ 275.813372] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.815772] 1*2048kB (M) [ 275.821256] ? addrconf_rs_timer+0x690/0x690 [ 275.823301] 4*4096kB (M) [ 275.828786] ndisc_alloc_skb+0x144/0x340 [ 275.831508] = 25192kB [ 275.831517] Node 0 [ 275.835925] ndisc_send_rs+0x331/0x6e0 [ 275.838653] Normal: 824*4kB [ 275.842724] addrconf_rs_timer+0x314/0x690 [ 275.845114] (MEH) [ 275.847362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.851244] 371*8kB (ME) [ 275.854280] call_timer_fn+0x272/0x920 [ 275.858487] 164*16kB (ME) [ 275.860649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.864870] 69*32kB (UMEH) [ 275.867636] ? process_timeout+0x40/0x40 [ 275.871514] 28*64kB [ 275.874368] ? find_held_lock+0x36/0x1c0 [ 275.878577] (M) [ 275.881526] ? __run_timers+0x7da/0xc70 [ 275.885556] 1*128kB (M) [ 275.887898] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.891937] 0*256kB [ 275.893922] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.897880] 0*512kB 1*1024kB [ 275.900572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.905042] (H) [ 275.907397] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.911870] 0*2048kB [ 275.914975] ? trace_hardirqs_on+0xbd/0x310 [ 275.919182] 0*4096kB = 14040kB [ 275.921171] ? kasan_check_read+0x11/0x20 [ 275.925746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.928150] ? __run_timers+0x7da/0xc70 [ 275.932466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.935649] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.939775] 146 total pagecache pages [ 275.948617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.952584] 0 pages in swap cache [ 275.961150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.966580] Swap cache stats: add 0, delete 0, find 0/0 [ 275.970377] __run_timers+0x7e5/0xc70 [ 275.974594] Free swap = 0kB [ 275.978040] ? find_held_lock+0x36/0x1c0 [ 275.982257] Total swap = 0kB [ 275.987633] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.991415] 1965979 pages RAM [ 275.994434] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.998491] 0 pages HighMem/MovableOnly [ 276.001506] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.006841] 342307 pages reserved [ 276.006850] 0 pages cma reserved [ 276.009955] ? lockdep_hardirqs_on+0x421/0x5c0 [ 276.014504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.018420] ? trace_hardirqs_on+0xbd/0x310 [ 276.018432] ? kasan_check_read+0x11/0x20 [ 276.018467] ? finish_task_switch+0x1f5/0x900 [ 276.018483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.023054] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.026472] ? compat_start_thread+0x80/0x80 [ 276.029824] syz-executor3 cpuset= [ 276.034420] ? pvclock_read_flags+0x160/0x160 [ 276.040875] syz3 [ 276.045223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.049368] mems_allowed=0 [ 276.053859] ? check_preemption_disabled+0x48/0x200 [ 276.097565] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 276.103103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.108386] ? rcu_pm_notify+0xc0/0xc0 [ 276.112276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.117821] ? check_preemption_disabled+0x48/0x200 [ 276.122850] run_timer_softirq+0x52/0xb0 [ 276.126916] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.131960] __do_softirq+0x30b/0xad8 [ 276.135789] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.140893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.145677] ? schedule+0x108/0x460 [ 276.149328] ? trace_hardirqs_off+0xb8/0x310 [ 276.153748] ? smpboot_thread_fn+0x68b/0xa00 [ 276.158163] ? trace_hardirqs_on+0x310/0x310 [ 276.162574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.168117] ? check_preemption_disabled+0x48/0x200 [ 276.173141] ? takeover_tasklets+0xa90/0xa90 [ 276.177558] run_ksoftirqd+0x94/0x100 [ 276.181361] smpboot_thread_fn+0x68b/0xa00 [ 276.185612] ? sort_range+0x30/0x30 [ 276.189240] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.194347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.199884] ? __kthread_parkme+0xfb/0x1a0 [ 276.204133] kthread+0x35a/0x420 [ 276.207536] ? sort_range+0x30/0x30 [ 276.211205] ? kthread_bind+0x40/0x40 [ 276.215007] ret_from_fork+0x3a/0x50 [ 276.218775] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 276.218856] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.225975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.225985] Call Trace: [ 276.232586] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.241818] [ 276.244392] ksoftirqd/0 cpuset= [ 276.254705] dump_stack+0x1c4/0x2b4 [ 276.256832] / [ 276.260115] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.263738] mems_allowed=0 [ 276.265464] warn_alloc.cold.119+0xb7/0x1bd [ 276.277874] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.282735] ? lock_downgrade+0x900/0x900 [ 276.286893] ? trace_hardirqs_off+0xb8/0x310 [ 276.291312] ? trace_hardirqs_off+0xb8/0x310 [ 276.295731] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.300604] ? warn_alloc+0x120/0x120 [ 276.304414] ? warn_alloc+0x120/0x120 [ 276.308238] ? print_usage_bug+0xc0/0xc0 [ 276.312302] ? warn_alloc+0x120/0x120 [ 276.316107] ? print_usage_bug+0xc0/0xc0 [ 276.320171] ? __lock_acquire+0x7ec/0x4ec0 [ 276.324410] ? __lock_acquire+0x7ec/0x4ec0 [ 276.328676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.334219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.339766] ? should_fail+0x22d/0xd01 [ 276.343659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.348761] ? __lock_acquire+0x7ec/0x4ec0 [ 276.353006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.358111] ? __lock_acquire+0x7ec/0x4ec0 [ 276.362347] ? should_fail+0x22d/0xd01 [ 276.366258] ? mark_held_locks+0x130/0x130 [ 276.370501] ? mark_held_locks+0x130/0x130 [ 276.374759] ? graph_lock+0x170/0x170 [ 276.378566] ? print_usage_bug+0xc0/0xc0 [ 276.382629] ? graph_lock+0x170/0x170 [ 276.386436] ? print_usage_bug+0xc0/0xc0 [ 276.390515] ? wq_watchdog_touch+0x9c/0xfe [ 276.394753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.400296] ? check_preemption_disabled+0x48/0x200 [ 276.405316] ? check_preemption_disabled+0x48/0x200 [ 276.410347] ? __lock_is_held+0xb5/0x140 [ 276.414420] __alloc_pages_nodemask+0xa80/0xde0 [ 276.419101] ? graph_lock+0x170/0x170 [ 276.422913] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.427927] ? graph_lock+0x170/0x170 [ 276.431743] ? find_held_lock+0x36/0x1c0 [ 276.435847] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.440526] ? lock_downgrade+0x900/0x900 [ 276.444693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.450241] cache_grow_begin+0x91/0x8c0 [ 276.454309] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.458751] fallback_alloc+0x203/0x2e0 [ 276.462737] ____cache_alloc_node+0x1c7/0x1e0 [ 276.467249] kmem_cache_alloc_node+0xe3/0x730 [ 276.471751] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.476009] __alloc_skb+0x119/0x770 [ 276.479729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.485012] ? skb_scrub_packet+0x490/0x490 [ 276.489341] ? lock_downgrade+0x900/0x900 [ 276.493499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.499044] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.504516] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.510287] ? addrconf_rs_timer+0x690/0x690 [ 276.514715] ndisc_alloc_skb+0x144/0x340 [ 276.518798] ndisc_send_rs+0x331/0x6e0 [ 276.522693] addrconf_rs_timer+0x314/0x690 [ 276.526935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.531189] call_timer_fn+0x272/0x920 [ 276.535092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.539373] ? process_timeout+0x40/0x40 [ 276.543434] ? find_held_lock+0x36/0x1c0 [ 276.547519] ? __run_timers+0x7da/0xc70 [ 276.551506] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.556005] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.560510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.564751] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.569348] ? trace_hardirqs_on+0xbd/0x310 [ 276.573668] ? kasan_check_read+0x11/0x20 [ 276.577824] ? __run_timers+0x7da/0xc70 [ 276.581803] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.587337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.591586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.595833] __run_timers+0x7e5/0xc70 [ 276.599654] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.605035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.610071] ? graph_lock+0x170/0x170 [ 276.613879] ? enqueue_hrtimer+0x1a5/0x560 [ 276.618159] ? lock_release+0x970/0x970 [ 276.622145] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.627357] ? find_held_lock+0x36/0x1c0 [ 276.631426] ? graph_lock+0x170/0x170 [ 276.635245] ? pvclock_read_flags+0x160/0x160 [ 276.639763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.645310] ? check_preemption_disabled+0x48/0x200 [ 276.650344] ? __lock_is_held+0xb5/0x140 [ 276.654414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.659964] ? check_preemption_disabled+0x48/0x200 [ 276.664991] run_timer_softirq+0x52/0xb0 [ 276.669057] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.674092] __do_softirq+0x30b/0xad8 [ 276.677910] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.683027] ? pvclock_read_flags+0x160/0x160 [ 276.687532] ? lapic_next_event+0x5a/0x90 [ 276.691686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.697237] ? check_preemption_disabled+0x48/0x200 [ 276.702264] ? check_preemption_disabled+0x48/0x200 [ 276.707293] ? kvm_clock_read+0x18/0x30 [ 276.711269] ? kvm_sched_clock_read+0x9/0x20 [ 276.715687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.721230] ? check_preemption_disabled+0x48/0x200 [ 276.726274] irq_exit+0x17f/0x1c0 [ 276.729737] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.734584] ? smp_reschedule_interrupt+0x109/0x650 [ 276.739619] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.745506] ? interrupt_entry+0xb5/0xf0 [ 276.749581] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.754614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.759646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.764493] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.769510] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.774535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.780076] ? check_preemption_disabled+0x48/0x200 [ 276.785094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.790649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.795973] apic_timer_interrupt+0xf/0x20 [ 276.800205] [ 276.802463] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.807403] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 276.826314] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.834046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.841316] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 276.848593] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 276.855864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 276.863140] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 276.870469] skb_clone+0x1bb/0x500 [ 276.874018] ? finish_task_switch+0x1b5/0x900 [ 276.878516] ? skb_split+0x11e0/0x11e0 [ 276.882421] ? preempt_notifier_register+0x200/0x200 [ 276.887538] ? __switch_to_asm+0x34/0x70 [ 276.891604] ? __switch_to_asm+0x34/0x70 [ 276.895667] ? __switch_to_asm+0x40/0x70 [ 276.899751] ? __switch_to_asm+0x34/0x70 [ 276.903808] ? __switch_to_asm+0x40/0x70 [ 276.907869] ? __switch_to_asm+0x34/0x70 [ 276.911933] ? __switch_to_asm+0x40/0x70 [ 276.915999] ? __switch_to_asm+0x34/0x70 [ 276.920064] ? __switch_to_asm+0x34/0x70 [ 276.924122] ? __switch_to_asm+0x40/0x70 [ 276.928195] ? __switch_to_asm+0x34/0x70 [ 276.932274] bpf_clone_redirect+0xb9/0x490 [ 276.936517] ? __schedule+0x874/0x1ed0 [ 276.940417] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 276.945461] ? __sched_text_start+0x8/0x8 [ 276.949615] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.954402] ? find_held_lock+0x36/0x1c0 [ 276.958498] ? lock_acquire+0x1ed/0x520 [ 276.962504] ? bpf_test_run+0x32e/0x5a0 [ 276.966484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.972027] ? check_preemption_disabled+0x48/0x200 [ 276.977051] ? kasan_check_read+0x11/0x20 [ 276.981202] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.986497] ? rcu_bh_qs+0xc0/0xc0 [ 276.990052] ? preempt_schedule+0x4d/0x60 [ 276.994207] ? ___preempt_schedule+0x16/0x18 [ 276.998626] ? bpf_test_run+0x1c0/0x5a0 [ 277.002651] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.007066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.012605] ? bpf_test_init.isra.9+0x70/0x100 [ 277.017218] ? bpf_prog_test_run_skb+0x634/0xb40 [ 277.021987] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.026835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.032594] ? fput+0x130/0x1a0 [ 277.035882] ? __bpf_prog_get+0x9b/0x290 [ 277.039950] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.044799] ? bpf_prog_test_run+0x130/0x1a0 [ 277.049225] ? __x64_sys_bpf+0x3d8/0x510 [ 277.053299] ? bpf_prog_get+0x20/0x20 [ 277.057142] ? do_syscall_64+0x1b9/0x820 [ 277.061211] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.066599] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.071547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.076396] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.081429] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.086468] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.091515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.096365] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.101750] warn_alloc_show_mem: 1 callbacks suppressed [ 277.101762] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 277.101764] Mem-Info: [ 277.101820] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 277.101820] active_file:13 inactive_file:14 isolated_file:0 [ 277.101820] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.101820] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 277.101820] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 277.101820] free:13777 free_pcp:213 free_cma:0 [ 277.107160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.107169] Call Trace: [ 277.113930] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.116339] dump_stack+0x1c4/0x2b4 [ 277.149197] Node 0 [ 277.158557] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.161145] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.188629] warn_alloc.cold.119+0xb7/0x1bd [ 277.192229] lowmem_reserve[]: [ 277.194476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.199656] 0 [ 277.225181] ? lock_downgrade+0x900/0x900 [ 277.229479] 2819 [ 277.232585] ? trace_hardirqs_off+0xb8/0x310 [ 277.237403] 6323 [ 277.239210] ? trace_hardirqs_off+0xb8/0x310 [ 277.243351] 6323 [ 277.245428] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.249816] Node 0 [ 277.251943] ? warn_alloc+0x120/0x120 [ 277.256346] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 277.258384] ? warn_alloc+0x120/0x120 [ 277.263199] lowmem_reserve[]: 0 [ 277.265456] ? print_usage_bug+0xc0/0xc0 [ 277.269225] 0 3503 [ 277.296217] ? warn_alloc+0x120/0x120 [ 277.299999] 3503 [ 277.303281] ? print_usage_bug+0xc0/0xc0 [ 277.309590] ? __lock_acquire+0x7ec/0x4ec0 [ 277.313369] Node 0 [ 277.315429] ? __lock_acquire+0x7ec/0x4ec0 [ 277.319513] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 277.323719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.325958] lowmem_reserve[]: [ 277.330222] ? should_fail+0x22d/0xd01 [ 277.358483] 0 [ 277.364018] ? __lock_acquire+0x7ec/0x4ec0 [ 277.367105] 0 [ 277.371002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.372782] 0 [ 277.377038] ? __lock_acquire+0x7ec/0x4ec0 [ 277.378845] 0 [ 277.383947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.385746] Node 0 [ 277.389993] ? __lock_acquire+0x7ec/0x4ec0 [ 277.391774] DMA: [ 277.396872] ? should_fail+0x22d/0xd01 [ 277.399087] 1*4kB [ 277.403325] ? mark_held_locks+0x130/0x130 [ 277.405363] (U) [ 277.409253] ? mark_held_locks+0x130/0x130 [ 277.411386] 0*8kB [ 277.415619] ? graph_lock+0x170/0x170 [ 277.417573] 0*16kB [ 277.421807] ? print_usage_bug+0xc0/0xc0 [ 277.423941] 1*32kB [ 277.427745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.429955] (U) [ 277.434016] ? check_preemption_disabled+0x48/0x200 [ 277.436229] 2*64kB [ 277.441770] ? check_preemption_disabled+0x48/0x200 [ 277.443727] (U) [ 277.448753] ? __lock_is_held+0xb5/0x140 [ 277.450976] 1*128kB [ 277.456000] __alloc_pages_nodemask+0xa80/0xde0 [ 277.457955] (U) [ 277.462020] ? graph_lock+0x170/0x170 [ 277.464326] 1*256kB [ 277.468990] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.470947] (U) [ 277.474747] ? graph_lock+0x170/0x170 [ 277.477050] 0*512kB [ 277.482078] ? find_held_lock+0x36/0x1c0 [ 277.484041] 1*1024kB [ 277.487861] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.490166] (U) [ 277.494220] ? lock_downgrade+0x900/0x900 [ 277.496614] 1*2048kB [ 277.501283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.503237] (M) [ 277.507376] cache_grow_begin+0x91/0x8c0 [ 277.509767] 3*4096kB [ 277.515302] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.517262] (M) [ 277.521322] fallback_alloc+0x203/0x2e0 [ 277.523707] = 15908kB [ 277.528125] ____cache_alloc_node+0x1c7/0x1e0 [ 277.530075] Node 0 [ 277.534063] kmem_cache_alloc_node+0xe3/0x730 [ 277.536470] DMA32: [ 277.540964] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.543179] 4*4kB [ 277.547684] __alloc_skb+0x119/0x770 [ 277.549891] (M) 1*8kB [ 277.554138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.556256] (U) 3*16kB [ 277.559992] ? skb_scrub_packet+0x490/0x490 [ 277.562471] (UM) [ 277.567749] ? lock_downgrade+0x900/0x900 [ 277.570311] 3*32kB [ 277.574629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.576673] (UM) [ 277.580818] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.583027] 5*64kB (UM) [ 277.588585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.590628] 3*128kB (M) [ 277.596084] ? addrconf_rs_timer+0x690/0x690 [ 277.598745] 3*256kB [ 277.604199] ndisc_alloc_skb+0x144/0x340 [ 277.606838] (M) [ 277.611276] ndisc_send_rs+0x331/0x6e0 [ 277.613581] 4*512kB [ 277.617639] addrconf_rs_timer+0x314/0x690 [ 277.619596] (UM) [ 277.623485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.625788] 3*1024kB [ 277.630029] call_timer_fn+0x272/0x920 [ 277.632068] (UM) [ 277.636303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.638694] 1*2048kB [ 277.642598] ? process_timeout+0x40/0x40 [ 277.644652] (M) [ 277.648882] ? find_held_lock+0x36/0x1c0 [ 277.651273] 4*4096kB [ 277.655333] ? __run_timers+0x7da/0xc70 [ 277.657298] (M) [ 277.661361] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.663750] = 25192kB [ 277.667721] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.669682] Node 0 [ 277.674177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.676565] Normal: [ 277.681058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.683280] 824*4kB [ 277.687754] ? trace_hardirqs_on+0xbd/0x310 [ 277.690055] (MEH) [ 277.694655] ? kasan_check_read+0x11/0x20 [ 277.696958] 371*8kB [ 277.701279] ? __run_timers+0x7da/0xc70 [ 277.703406] (ME) [ 277.707568] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.709872] 164*16kB [ 277.713862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.715895] (ME) [ 277.721345] __run_timers+0x7e5/0xc70 [ 277.723737] 69*32kB (UMEH) [ 277.727979] ? find_held_lock+0x36/0x1c0 [ 277.730021] 28*64kB [ 277.733831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.736732] (M) [ 277.740800] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.743103] 1*128kB [ 277.748468] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.750424] (M) [ 277.754950] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.757257] 0*256kB [ 277.761751] ? trace_hardirqs_on+0xbd/0x310 [ 277.763709] 0*512kB [ 277.768286] ? kasan_check_read+0x11/0x20 [ 277.770588] 1*1024kB [ 277.774920] ? finish_task_switch+0x1f5/0x900 [ 277.777229] (H) [ 277.781383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.783766] 0*2048kB 0*4096kB [ 277.788280] ? compat_start_thread+0x80/0x80 [ 277.790240] = 14040kB [ 277.795713] ? pvclock_read_flags+0x160/0x160 [ 277.798910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.803306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.803326] ? check_preemption_disabled+0x48/0x200 [ 277.805728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.810225] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 277.819052] 146 total pagecache pages [ 277.824584] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.829580] 0 pages in swap cache [ 277.838148] ? rcu_pm_notify+0xc0/0xc0 [ 277.843664] Swap cache stats: add 0, delete 0, find 0/0 [ 277.843673] Free swap = 0kB [ 277.847480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.852732] Total swap = 0kB [ 277.852747] 1965979 pages RAM [ 277.856203] ? check_preemption_disabled+0x48/0x200 [ 277.860071] 0 pages HighMem/MovableOnly [ 277.865435] run_timer_softirq+0x52/0xb0 [ 277.868464] 342307 pages reserved [ 277.873998] ? rcu_read_lock_sched_held+0x108/0x120 [ 277.876998] 0 pages cma reserved [ 277.880104] __do_softirq+0x30b/0xad8 [ 277.885162] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.889079] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.889095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.889118] ? schedule+0x108/0x460 [ 277.893212] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.896618] ? trace_hardirqs_off+0xb8/0x310 [ 277.901616] syz-executor3 cpuset= [ 277.904984] ? smpboot_thread_fn+0x68b/0xa00 [ 277.908765] syz3 [ 277.915252] ? trace_hardirqs_on+0x310/0x310 [ 277.915271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.920366] mems_allowed=0 [ 277.925120] ? check_preemption_disabled+0x48/0x200 [ 277.971235] ? takeover_tasklets+0xa90/0xa90 [ 277.975667] run_ksoftirqd+0x94/0x100 [ 277.979483] smpboot_thread_fn+0x68b/0xa00 [ 277.983724] ? sort_range+0x30/0x30 [ 277.987391] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.992496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.998040] ? __kthread_parkme+0xfb/0x1a0 [ 278.002284] kthread+0x35a/0x420 [ 278.005661] ? sort_range+0x30/0x30 [ 278.009287] ? kthread_bind+0x40/0x40 [ 278.013091] ret_from_fork+0x3a/0x50 [ 278.016822] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 278.016918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.024040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.024046] Call Trace: [ 278.024052] [ 278.024073] dump_stack+0x1c4/0x2b4 [ 278.024091] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.024117] warn_alloc.cold.119+0xb7/0x1bd [ 278.030772] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.039978] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.042542] ksoftirqd/0 cpuset= [ 278.044693] ? lock_downgrade+0x900/0x900 [ 278.048301] / [ 278.053508] ? trace_hardirqs_off+0xb8/0x310 [ 278.057808] mems_allowed=0 [ 278.068121] ? trace_hardirqs_off+0xb8/0x310 [ 278.093816] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.098691] ? warn_alloc+0x120/0x120 [ 278.102498] ? warn_alloc+0x120/0x120 [ 278.106321] ? print_usage_bug+0xc0/0xc0 [ 278.110390] ? warn_alloc+0x120/0x120 [ 278.114191] ? print_usage_bug+0xc0/0xc0 [ 278.118262] ? __lock_acquire+0x7ec/0x4ec0 [ 278.122497] ? __lock_acquire+0x7ec/0x4ec0 [ 278.126738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.132278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.137829] ? should_fail+0x22d/0xd01 [ 278.141747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.146860] ? __lock_acquire+0x7ec/0x4ec0 [ 278.151103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.156207] ? __lock_acquire+0x7ec/0x4ec0 [ 278.160455] ? should_fail+0x22d/0xd01 [ 278.164362] ? mark_held_locks+0x130/0x130 [ 278.168603] ? mark_held_locks+0x130/0x130 [ 278.172840] ? graph_lock+0x170/0x170 [ 278.176641] ? print_usage_bug+0xc0/0xc0 [ 278.180707] ? graph_lock+0x170/0x170 [ 278.184511] ? print_usage_bug+0xc0/0xc0 [ 278.188571] ? wq_watchdog_touch+0x9c/0xfe [ 278.192810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.198357] ? check_preemption_disabled+0x48/0x200 [ 278.203378] ? check_preemption_disabled+0x48/0x200 [ 278.208407] ? __lock_is_held+0xb5/0x140 [ 278.212486] __alloc_pages_nodemask+0xa80/0xde0 [ 278.217156] ? graph_lock+0x170/0x170 [ 278.220969] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.225990] ? graph_lock+0x170/0x170 [ 278.229813] ? find_held_lock+0x36/0x1c0 [ 278.233897] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.238588] ? lock_downgrade+0x900/0x900 [ 278.242781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.248370] cache_grow_begin+0x91/0x8c0 [ 278.252431] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.256865] fallback_alloc+0x203/0x2e0 [ 278.260886] ____cache_alloc_node+0x1c7/0x1e0 [ 278.265390] kmem_cache_alloc_node+0xe3/0x730 [ 278.269895] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.274155] __alloc_skb+0x119/0x770 [ 278.277879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.283185] ? skb_scrub_packet+0x490/0x490 [ 278.287525] ? lock_downgrade+0x900/0x900 [ 278.291694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.297242] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.302698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.308155] ? addrconf_rs_timer+0x690/0x690 [ 278.312578] ndisc_alloc_skb+0x144/0x340 [ 278.316650] ndisc_send_rs+0x331/0x6e0 [ 278.320553] addrconf_rs_timer+0x314/0x690 [ 278.324798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.329073] call_timer_fn+0x272/0x920 [ 278.332963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.337218] ? process_timeout+0x40/0x40 [ 278.341313] ? find_held_lock+0x36/0x1c0 [ 278.345383] ? __run_timers+0x7da/0xc70 [ 278.349364] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.353863] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.358361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.362600] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.367203] ? trace_hardirqs_on+0xbd/0x310 [ 278.371535] ? kasan_check_read+0x11/0x20 [ 278.375693] ? __run_timers+0x7da/0xc70 [ 278.379672] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.385134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.389388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.393646] __run_timers+0x7e5/0xc70 [ 278.397476] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.402849] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.407883] ? graph_lock+0x170/0x170 [ 278.411691] ? enqueue_hrtimer+0x1a5/0x560 [ 278.415932] ? lock_release+0x970/0x970 [ 278.419925] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.425132] ? find_held_lock+0x36/0x1c0 [ 278.429241] ? graph_lock+0x170/0x170 [ 278.433046] ? pvclock_read_flags+0x160/0x160 [ 278.437547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.443106] ? check_preemption_disabled+0x48/0x200 [ 278.448139] ? __lock_is_held+0xb5/0x140 [ 278.452206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.457768] ? check_preemption_disabled+0x48/0x200 [ 278.462849] run_timer_softirq+0x52/0xb0 [ 278.466934] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.471969] __do_softirq+0x30b/0xad8 [ 278.475800] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.480916] ? pvclock_read_flags+0x160/0x160 [ 278.485415] ? lapic_next_event+0x5a/0x90 [ 278.489607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.495151] ? check_preemption_disabled+0x48/0x200 [ 278.500171] ? check_preemption_disabled+0x48/0x200 [ 278.505192] ? kvm_clock_read+0x18/0x30 [ 278.509175] ? kvm_sched_clock_read+0x9/0x20 [ 278.513594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.519139] ? check_preemption_disabled+0x48/0x200 [ 278.524174] irq_exit+0x17f/0x1c0 [ 278.527643] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.532495] ? smp_reschedule_interrupt+0x109/0x650 [ 278.537526] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.543410] ? interrupt_entry+0xb5/0xf0 [ 278.547488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.552507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.557526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.562369] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.567389] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.572411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.577965] ? check_preemption_disabled+0x48/0x200 [ 278.582990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.588540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.593417] apic_timer_interrupt+0xf/0x20 [ 278.597685] [ 278.599928] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.604863] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 278.623767] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.631485] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.638760] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 278.646042] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 278.653324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 278.660604] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 278.667935] skb_clone+0x1bb/0x500 [ 278.671481] ? finish_task_switch+0x1b5/0x900 [ 278.675984] ? skb_split+0x11e0/0x11e0 [ 278.679879] ? preempt_notifier_register+0x200/0x200 [ 278.685009] ? __switch_to_asm+0x34/0x70 [ 278.689072] ? __switch_to_asm+0x34/0x70 [ 278.693145] ? __switch_to_asm+0x40/0x70 [ 278.697207] ? __switch_to_asm+0x34/0x70 [ 278.701279] ? __switch_to_asm+0x40/0x70 [ 278.705337] ? __switch_to_asm+0x34/0x70 [ 278.709401] ? __switch_to_asm+0x40/0x70 [ 278.713471] ? __switch_to_asm+0x34/0x70 [ 278.717547] ? __switch_to_asm+0x34/0x70 [ 278.721613] ? __switch_to_asm+0x40/0x70 [ 278.725683] ? __switch_to_asm+0x34/0x70 [ 278.729758] bpf_clone_redirect+0xb9/0x490 [ 278.734009] ? __schedule+0x874/0x1ed0 [ 278.737911] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 278.742937] ? __sched_text_start+0x8/0x8 [ 278.747093] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.751866] ? find_held_lock+0x36/0x1c0 [ 278.755936] ? lock_acquire+0x1ed/0x520 [ 278.759917] ? bpf_test_run+0x32e/0x5a0 [ 278.763900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.769460] ? check_preemption_disabled+0x48/0x200 [ 278.774492] ? kasan_check_read+0x11/0x20 [ 278.778646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.783927] ? rcu_bh_qs+0xc0/0xc0 [ 278.787478] ? preempt_schedule+0x4d/0x60 [ 278.791630] ? ___preempt_schedule+0x16/0x18 [ 278.796566] ? bpf_test_run+0x1c0/0x5a0 [ 278.800571] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.804999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.810553] ? bpf_test_init.isra.9+0x70/0x100 [ 278.815145] ? bpf_prog_test_run_skb+0x634/0xb40 [ 278.819924] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.824781] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.830318] ? fput+0x130/0x1a0 [ 278.833603] ? __bpf_prog_get+0x9b/0x290 [ 278.837673] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.842520] ? bpf_prog_test_run+0x130/0x1a0 [ 278.846937] ? __x64_sys_bpf+0x3d8/0x510 [ 278.851003] ? bpf_prog_get+0x20/0x20 [ 278.854838] ? do_syscall_64+0x1b9/0x820 [ 278.858906] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.864275] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.869216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.874097] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.879127] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.884151] ? prepare_exit_to_usermode+0x291/0x3b0 [ 278.889182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.894038] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.899451] warn_alloc_show_mem: 1 callbacks suppressed [ 278.899463] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 278.899465] Mem-Info: [ 278.899495] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 278.899495] active_file:13 inactive_file:14 isolated_file:0 [ 278.899495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.899495] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 278.899495] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 278.899495] free:13777 free_pcp:213 free_cma:0 [ 278.904849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.904858] Call Trace: [ 278.911638] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 278.914056] dump_stack+0x1c4/0x2b4 [ 278.946926] Node 0 [ 278.956298] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.958897] 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 [ 278.986392] warn_alloc.cold.119+0xb7/0x1bd [ 278.989999] lowmem_reserve[]: [ 278.992253] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.997422] 0 2819 [ 279.022971] ? lock_downgrade+0x900/0x900 [ 279.027274] 6323 [ 279.030398] ? trace_hardirqs_off+0xb8/0x310 [ 279.035209] 6323 [ 279.037485] ? trace_hardirqs_off+0xb8/0x310 [ 279.041616] Node 0 [ 279.043702] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.048121] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 279.050185] ? warn_alloc+0x120/0x120 [ 279.054545] lowmem_reserve[]: [ 279.056780] ? warn_alloc+0x120/0x120 [ 279.061603] 0 [ 279.088591] ? print_usage_bug+0xc0/0xc0 [ 279.092367] 0 3503 [ 279.095486] ? warn_alloc+0x120/0x120 [ 279.099276] 3503 [ 279.101085] ? print_usage_bug+0xc0/0xc0 [ 279.105126] Node 0 [ 279.107375] ? __lock_acquire+0x7ec/0x4ec0 [ 279.111178] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 279.113221] ? __lock_acquire+0x7ec/0x4ec0 [ 279.117255] lowmem_reserve[]: 0 [ 279.119505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.123715] 0 [ 279.152016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.156230] 0 [ 279.159514] ? should_fail+0x22d/0xd01 [ 279.165023] 0 [ 279.166837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.172361] Node 0 [ 279.174170] ? __lock_acquire+0x7ec/0x4ec0 [ 279.178031] DMA: [ 279.179836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.184915] 1*4kB [ 279.187146] ? __lock_acquire+0x7ec/0x4ec0 [ 279.187163] ? should_fail+0x22d/0xd01 [ 279.191379] (U) [ 279.193460] ? mark_held_locks+0x130/0x130 [ 279.198540] 0*8kB [ 279.200686] ? mark_held_locks+0x130/0x130 [ 279.204895] 0*16kB 1*32kB [ 279.208801] ? mark_held_locks+0xc7/0x130 [ 279.210753] (U) [ 279.214997] ? print_usage_bug+0xc0/0xc0 [ 279.217127] 2*64kB [ 279.221399] ? graph_lock+0x170/0x170 [ 279.224222] (U) [ 279.228371] ? print_usage_bug+0xc0/0xc0 [ 279.230319] 1*128kB (U) [ 279.234391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.236606] 1*256kB [ 279.240419] ? check_preemption_disabled+0x48/0x200 [ 279.242367] (U) [ 279.246434] ? check_preemption_disabled+0x48/0x200 [ 279.249090] 0*512kB 1*1024kB [ 279.254652] ? __lock_is_held+0xb5/0x140 [ 279.256950] (U) [ 279.261968] __alloc_pages_nodemask+0xa80/0xde0 [ 279.263921] 1*2048kB [ 279.268939] ? graph_lock+0x170/0x170 [ 279.272023] (M) [ 279.276084] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.278043] 3*4096kB [ 279.282713] ? graph_lock+0x170/0x170 [ 279.285114] (M) [ 279.288918] ? find_held_lock+0x36/0x1c0 [ 279.290868] = 15908kB [ 279.295884] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.298273] Node 0 [ 279.302069] ? lock_downgrade+0x900/0x900 [ 279.304034] DMA32: 4*4kB [ 279.308105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.310494] (M) [ 279.315168] cache_grow_begin+0x91/0x8c0 [ 279.317389] 1*8kB [ 279.321550] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.324287] (U) [ 279.329827] fallback_alloc+0x203/0x2e0 [ 279.331778] 3*16kB (UM) [ 279.335850] ____cache_alloc_node+0x1c7/0x1e0 [ 279.337981] 3*32kB [ 279.342389] kmem_cache_alloc_node+0xe3/0x730 [ 279.344359] (UM) 5*64kB [ 279.348363] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.351014] (UM) [ 279.355511] __alloc_skb+0x119/0x770 [ 279.357730] 3*128kB (M) [ 279.362302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.364948] 3*256kB (M) [ 279.369205] ? skb_scrub_packet+0x490/0x490 [ 279.371264] 4*512kB [ 279.374974] ? lock_downgrade+0x900/0x900 [ 279.377638] (UM) [ 279.382914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.385561] 3*1024kB [ 279.389881] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.392185] (UM) [ 279.396336] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.398381] 1*2048kB [ 279.403922] ? addrconf_rs_timer+0x690/0x690 [ 279.406313] (M) [ 279.411776] ndisc_alloc_skb+0x144/0x340 [ 279.413810] 4*4096kB [ 279.419255] ndisc_send_rs+0x331/0x6e0 [ 279.421641] (M) [ 279.426089] addrconf_rs_timer+0x314/0x690 [ 279.428039] = 25192kB [ 279.428048] Node 0 [ 279.432112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.434501] Normal: [ 279.438399] call_timer_fn+0x272/0x920 [ 279.440345] 824*4kB [ 279.444592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.446981] (MEH) [ 279.449215] ? process_timeout+0x40/0x40 [ 279.453428] 371*8kB [ 279.455763] ? find_held_lock+0x36/0x1c0 [ 279.459628] (ME) [ 279.461963] ? __run_timers+0x7da/0xc70 [ 279.466163] 164*16kB (ME) [ 279.468341] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.472377] 69*32kB [ 279.474698] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.478744] (UMEH) [ 279.480820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.484774] 28*64kB [ 279.487620] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.492091] (M) [ 279.494424] ? trace_hardirqs_on+0xbd/0x310 [ 279.498899] 1*128kB [ 279.501138] ? kasan_check_read+0x11/0x20 [ 279.505352] (M) [ 279.507679] ? __run_timers+0x7da/0xc70 [ 279.512243] 0*256kB [ 279.514228] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.518532] 0*512kB [ 279.520858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.524985] 1*1024kB [ 279.526962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.530911] (H) [ 279.533235] __run_timers+0x7e5/0xc70 [ 279.538668] 0*2048kB [ 279.541012] ? find_held_lock+0x36/0x1c0 [ 279.545241] 0*4096kB [ 279.547654] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.551874] = 14040kB [ 279.553848] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.557650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.560050] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.564097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.566531] ? lockdep_hardirqs_on+0x421/0x5c0 [ 279.571879] 146 total pagecache pages [ 279.574287] ? trace_hardirqs_on+0xbd/0x310 [ 279.578764] 0 pages in swap cache [ 279.587592] ? kasan_check_read+0x11/0x20 [ 279.592088] Swap cache stats: add 0, delete 0, find 0/0 [ 279.600659] ? finish_task_switch+0x1f5/0x900 [ 279.605211] Free swap = 0kB [ 279.605221] Total swap = 0kB [ 279.609018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.613314] 1965979 pages RAM [ 279.616768] ? compat_start_thread+0x80/0x80 [ 279.620891] 0 pages HighMem/MovableOnly [ 279.620900] 342307 pages reserved [ 279.626291] ? pvclock_read_flags+0x160/0x160 [ 279.630750] 0 pages cma reserved [ 279.633772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.636877] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.642255] ? check_preemption_disabled+0x48/0x200 [ 279.642278] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 279.642295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.645457] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.649799] ? rcu_pm_notify+0xc0/0xc0 [ 279.653768] syz-executor3 cpuset= [ 279.657226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.661706] syz3 [ 279.665067] ? check_preemption_disabled+0x48/0x200 [ 279.670582] mems_allowed=0 [ 279.677073] run_timer_softirq+0x52/0xb0 [ 279.730327] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.735351] __do_softirq+0x30b/0xad8 [ 279.739166] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.744284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.749053] ? schedule+0x108/0x460 [ 279.752694] ? trace_hardirqs_off+0xb8/0x310 [ 279.757104] ? smpboot_thread_fn+0x68b/0xa00 [ 279.761513] ? trace_hardirqs_on+0x310/0x310 [ 279.765931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.771482] ? check_preemption_disabled+0x48/0x200 [ 279.776508] ? takeover_tasklets+0xa90/0xa90 [ 279.780934] run_ksoftirqd+0x94/0x100 [ 279.784745] smpboot_thread_fn+0x68b/0xa00 [ 279.788987] ? sort_range+0x30/0x30 [ 279.792616] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.797722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.803270] ? __kthread_parkme+0xfb/0x1a0 [ 279.807525] kthread+0x35a/0x420 [ 279.810907] ? sort_range+0x30/0x30 [ 279.814549] ? kthread_bind+0x40/0x40 [ 279.818363] ret_from_fork+0x3a/0x50 [ 279.822095] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 279.822174] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.829295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.829300] Call Trace: [ 279.829307] [ 279.829326] dump_stack+0x1c4/0x2b4 [ 279.829345] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.835873] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.845183] warn_alloc.cold.119+0xb7/0x1bd [ 279.847748] ksoftirqd/0 cpuset= [ 279.849899] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.853515] / [ 279.858702] ? lock_downgrade+0x900/0x900 [ 279.868993] mems_allowed=0 [ 279.873310] ? trace_hardirqs_off+0xb8/0x310 [ 279.894600] ? trace_hardirqs_off+0xb8/0x310 [ 279.899021] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.903920] ? warn_alloc+0x120/0x120 [ 279.907730] ? warn_alloc+0x120/0x120 [ 279.911537] ? print_usage_bug+0xc0/0xc0 [ 279.915632] ? warn_alloc+0x120/0x120 [ 279.919470] ? print_usage_bug+0xc0/0xc0 [ 279.923549] ? __lock_acquire+0x7ec/0x4ec0 [ 279.927786] ? __lock_acquire+0x7ec/0x4ec0 [ 279.932025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.937580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.943143] ? should_fail+0x22d/0xd01 [ 279.947074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.952180] ? __lock_acquire+0x7ec/0x4ec0 [ 279.956422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.961536] ? __lock_acquire+0x7ec/0x4ec0 [ 279.965781] ? should_fail+0x22d/0xd01 [ 279.969684] ? mark_held_locks+0x130/0x130 [ 279.973924] ? mark_held_locks+0x130/0x130 [ 279.978163] ? graph_lock+0x170/0x170 [ 279.981968] ? print_usage_bug+0xc0/0xc0 [ 279.986028] ? graph_lock+0x170/0x170 [ 279.989827] ? print_usage_bug+0xc0/0xc0 [ 279.993889] ? wq_watchdog_touch+0x9c/0xfe [ 279.998143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.003683] ? check_preemption_disabled+0x48/0x200 [ 280.008701] ? check_preemption_disabled+0x48/0x200 [ 280.013744] ? __lock_is_held+0xb5/0x140 [ 280.017819] __alloc_pages_nodemask+0xa80/0xde0 [ 280.022492] ? graph_lock+0x170/0x170 [ 280.026298] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.031472] ? graph_lock+0x170/0x170 [ 280.035305] ? find_held_lock+0x36/0x1c0 [ 280.039384] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.044057] ? lock_downgrade+0x900/0x900 [ 280.048232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.053781] cache_grow_begin+0x91/0x8c0 [ 280.057885] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.062305] fallback_alloc+0x203/0x2e0 [ 280.066290] ____cache_alloc_node+0x1c7/0x1e0 [ 280.070794] kmem_cache_alloc_node+0xe3/0x730 [ 280.075291] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.079536] __alloc_skb+0x119/0x770 [ 280.083260] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.088553] ? skb_scrub_packet+0x490/0x490 [ 280.092875] ? lock_downgrade+0x900/0x900 [ 280.097036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.102574] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.108034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.113491] ? addrconf_rs_timer+0x690/0x690 [ 280.117926] ndisc_alloc_skb+0x144/0x340 [ 280.121999] ndisc_send_rs+0x331/0x6e0 [ 280.125896] addrconf_rs_timer+0x314/0x690 [ 280.130137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.134386] call_timer_fn+0x272/0x920 [ 280.138272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.142511] ? process_timeout+0x40/0x40 [ 280.146582] ? find_held_lock+0x36/0x1c0 [ 280.150663] ? __run_timers+0x7da/0xc70 [ 280.154652] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.159147] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.163652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.167891] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 280.172480] ? trace_hardirqs_on+0xbd/0x310 [ 280.176800] ? kasan_check_read+0x11/0x20 [ 280.180964] ? __run_timers+0x7da/0xc70 [ 280.184940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.190396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.194638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.198872] __run_timers+0x7e5/0xc70 [ 280.202702] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.208070] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.213101] ? graph_lock+0x170/0x170 [ 280.216904] ? enqueue_hrtimer+0x1a5/0x560 [ 280.221136] ? lock_release+0x970/0x970 [ 280.225114] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.230314] ? find_held_lock+0x36/0x1c0 [ 280.234381] ? graph_lock+0x170/0x170 [ 280.238212] ? pvclock_read_flags+0x160/0x160 [ 280.242735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.248298] ? check_preemption_disabled+0x48/0x200 [ 280.253330] ? __lock_is_held+0xb5/0x140 [ 280.257395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.262932] ? check_preemption_disabled+0x48/0x200 [ 280.267963] run_timer_softirq+0x52/0xb0 [ 280.272026] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.277057] __do_softirq+0x30b/0xad8 [ 280.280873] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.285980] ? pvclock_read_flags+0x160/0x160 [ 280.290482] ? lapic_next_event+0x5a/0x90 [ 280.294630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.300168] ? check_preemption_disabled+0x48/0x200 [ 280.305185] ? check_preemption_disabled+0x48/0x200 [ 280.310207] ? kvm_clock_read+0x18/0x30 [ 280.314204] ? kvm_sched_clock_read+0x9/0x20 [ 280.318650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.324196] ? check_preemption_disabled+0x48/0x200 [ 280.329222] irq_exit+0x17f/0x1c0 [ 280.332686] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.337527] ? smp_reschedule_interrupt+0x109/0x650 [ 280.342543] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.348430] ? interrupt_entry+0xb5/0xf0 [ 280.352508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.357539] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.362561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.367406] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.372420] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.377458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.382999] ? check_preemption_disabled+0x48/0x200 [ 280.388015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.393572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.398423] apic_timer_interrupt+0xf/0x20 [ 280.402660] [ 280.404903] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 280.409843] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 280.428744] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.436480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 280.443752] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 280.451022] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 280.458304] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 280.465600] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 280.472910] skb_clone+0x1bb/0x500 [ 280.476477] ? finish_task_switch+0x1b5/0x900 [ 280.481008] ? skb_split+0x11e0/0x11e0 [ 280.484898] ? preempt_notifier_register+0x200/0x200 [ 280.489999] ? __switch_to_asm+0x34/0x70 [ 280.494069] ? __switch_to_asm+0x34/0x70 [ 280.498133] ? __switch_to_asm+0x40/0x70 [ 280.502200] ? __switch_to_asm+0x34/0x70 [ 280.506276] ? __switch_to_asm+0x40/0x70 [ 280.510337] ? __switch_to_asm+0x34/0x70 [ 280.514397] ? __switch_to_asm+0x40/0x70 [ 280.518462] ? __switch_to_asm+0x34/0x70 [ 280.522527] ? __switch_to_asm+0x34/0x70 [ 280.526590] ? __switch_to_asm+0x40/0x70 [ 280.530649] ? __switch_to_asm+0x34/0x70 [ 280.534720] bpf_clone_redirect+0xb9/0x490 [ 280.538997] ? __schedule+0x874/0x1ed0 [ 280.542908] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 280.547942] ? __sched_text_start+0x8/0x8 [ 280.552094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.556870] ? find_held_lock+0x36/0x1c0 [ 280.560940] ? lock_acquire+0x1ed/0x520 [ 280.564937] ? bpf_test_run+0x32e/0x5a0 [ 280.568913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.574484] ? check_preemption_disabled+0x48/0x200 [ 280.579536] ? kasan_check_read+0x11/0x20 [ 280.583700] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.588982] ? rcu_bh_qs+0xc0/0xc0 [ 280.592533] ? preempt_schedule+0x4d/0x60 [ 280.596709] ? ___preempt_schedule+0x16/0x18 [ 280.601131] ? bpf_test_run+0x1c0/0x5a0 [ 280.605130] ? netlink_diag_dump+0x2a0/0x2a0 [ 280.609541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.615079] ? bpf_test_init.isra.9+0x70/0x100 [ 280.619665] ? bpf_prog_test_run_skb+0x634/0xb40 [ 280.624457] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.629311] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.634844] ? fput+0x130/0x1a0 [ 280.638132] ? __bpf_prog_get+0x9b/0x290 [ 280.642198] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.647041] ? bpf_prog_test_run+0x130/0x1a0 [ 280.651466] ? __x64_sys_bpf+0x3d8/0x510 [ 280.655545] ? bpf_prog_get+0x20/0x20 [ 280.659367] ? do_syscall_64+0x1b9/0x820 [ 280.663440] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 280.668822] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.673752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.678598] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.683631] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.688661] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.693713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.698586] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.703967] warn_alloc_show_mem: 1 callbacks suppressed [ 280.703978] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 280.703981] Mem-Info: [ 280.704011] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 280.704011] active_file:13 inactive_file:14 isolated_file:0 [ 280.704011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.704011] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 280.704011] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 280.704011] free:13777 free_pcp:213 free_cma:0 [ 280.709358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.716126] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.718527] Call Trace: [ 280.751404] Node 0 [ 280.760766] dump_stack+0x1c4/0x2b4 [ 280.788274] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 280.790841] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.793057] lowmem_reserve[]: [ 280.796700] warn_alloc.cold.119+0xb7/0x1bd [ 280.822182] 0 2819 [ 280.827383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.830488] 6323 [ 280.834810] ? lock_downgrade+0x900/0x900 [ 280.837029] 6323 [ 280.841873] ? trace_hardirqs_off+0xb8/0x310 [ 280.848082] ? trace_hardirqs_off+0xb8/0x310 [ 280.850126] Node 0 [ 280.854546] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.858952] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.861200] ? warn_alloc+0x120/0x120 [ 280.865996] lowmem_reserve[]: [ 280.892972] ? warn_alloc+0x120/0x120 [ 280.896750] 0 [ 280.899864] ? print_usage_bug+0xc0/0xc0 [ 280.903643] 0 [ 280.905455] ? warn_alloc+0x120/0x120 [ 280.909505] 3503 [ 280.911327] ? print_usage_bug+0xc0/0xc0 [ 280.915107] 3503 [ 280.917167] ? __lock_acquire+0x7ec/0x4ec0 [ 280.921206] Node 0 [ 280.923279] ? __lock_acquire+0x7ec/0x4ec0 [ 280.927526] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 280.929752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.933955] lowmem_reserve[]: 0 [ 280.962244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.967773] 0 [ 280.971064] ? should_fail+0x22d/0xd01 [ 280.976586] 0 0 [ 280.978412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.984283] ? __lock_acquire+0x7ec/0x4ec0 [ 280.989398] Node 0 DMA: [ 280.993632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.993648] ? __lock_acquire+0x7ec/0x4ec0 [ 280.996307] 1*4kB [ 281.001421] ? should_fail+0x22d/0xd01 [ 281.005636] (U) [ 281.007795] ? mark_held_locks+0x130/0x130 [ 281.011645] 0*8kB 0*16kB [ 281.013642] ? mark_held_locks+0x130/0x130 [ 281.017850] 1*32kB (U) [ 281.020617] ? graph_lock+0x170/0x170 [ 281.024833] 2*64kB [ 281.027424] ? print_usage_bug+0xc0/0xc0 [ 281.031194] (U) 1*128kB [ 281.033476] ? graph_lock+0x170/0x170 [ 281.037520] (U) [ 281.040194] ? print_usage_bug+0xc0/0xc0 [ 281.043974] 1*256kB [ 281.045960] ? wq_watchdog_touch+0x9c/0xfe [ 281.050000] (U) [ 281.052331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.056569] 0*512kB [ 281.058557] ? check_preemption_disabled+0x48/0x200 [ 281.064081] 1*1024kB (U) [ 281.066423] ? check_preemption_disabled+0x48/0x200 [ 281.071435] 1*2048kB (M) [ 281.074247] ? __lock_is_held+0xb5/0x140 [ 281.079260] 3*4096kB (M) [ 281.082035] __alloc_pages_nodemask+0xa80/0xde0 [ 281.086069] = 15908kB [ 281.086078] Node 0 [ 281.088839] ? graph_lock+0x170/0x170 [ 281.093490] DMA32: [ 281.095906] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.098122] 4*4kB [ 281.101922] ? graph_lock+0x170/0x170 [ 281.104142] (M) [ 281.109165] ? find_held_lock+0x36/0x1c0 [ 281.111290] 1*8kB [ 281.115095] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.117042] (U) 3*16kB [ 281.121110] ? lock_downgrade+0x900/0x900 [ 281.123246] (UM) 3*32kB [ 281.127950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.130519] (UM) 5*64kB [ 281.134692] cache_grow_begin+0x91/0x8c0 [ 281.137333] (UM) 3*128kB [ 281.142887] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.145539] (M) [ 281.149603] fallback_alloc+0x203/0x2e0 [ 281.152340] 3*256kB (M) [ 281.156791] ____cache_alloc_node+0x1c7/0x1e0 [ 281.158737] 4*512kB (UM) [ 281.162725] kmem_cache_alloc_node+0xe3/0x730 [ 281.165377] 3*1024kB [ 281.169873] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.172600] (UM) 1*2048kB [ 281.177113] __alloc_skb+0x119/0x770 [ 281.179497] (M) [ 281.183744] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.186559] 4*4096kB (M) [ 281.190278] ? skb_scrub_packet+0x490/0x490 [ 281.192243] = 25192kB [ 281.197518] ? lock_downgrade+0x900/0x900 [ 281.200267] Node 0 [ 281.204590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.206970] Normal: 824*4kB [ 281.211128] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.213344] (MEH) [ 281.218878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.221878] 371*8kB [ 281.227335] ? addrconf_rs_timer+0x690/0x690 [ 281.229474] (ME) [ 281.234937] ndisc_alloc_skb+0x144/0x340 [ 281.237227] 164*16kB (ME) [ 281.241648] ndisc_send_rs+0x331/0x6e0 [ 281.243686] 69*32kB (UMEH) [ 281.247776] addrconf_rs_timer+0x314/0x690 [ 281.250612] 28*64kB (M) [ 281.254507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.257415] 1*128kB (M) [ 281.261676] call_timer_fn+0x272/0x920 [ 281.264315] 0*256kB [ 281.268553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.271199] 0*512kB [ 281.275097] ? process_timeout+0x40/0x40 [ 281.277394] 1*1024kB (H) [ 281.281638] ? find_held_lock+0x36/0x1c0 [ 281.283938] 0*2048kB 0*4096kB [ 281.288016] ? __run_timers+0x7da/0xc70 [ 281.290750] = 14040kB [ 281.294809] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.298004] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.301979] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.304386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.308893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.308912] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.317746] 146 total pagecache pages [ 281.322253] ? trace_hardirqs_on+0xbd/0x310 [ 281.322269] ? kasan_check_read+0x11/0x20 [ 281.330837] 0 pages in swap cache [ 281.335065] ? __run_timers+0x7da/0xc70 [ 281.339658] Swap cache stats: add 0, delete 0, find 0/0 [ 281.343460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.347760] Free swap = 0kB [ 281.351908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.355344] Total swap = 0kB [ 281.359331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.364691] 1965979 pages RAM [ 281.370133] __run_timers+0x7e5/0xc70 [ 281.373124] 0 pages HighMem/MovableOnly [ 281.373133] 342307 pages reserved [ 281.377370] ? find_held_lock+0x36/0x1c0 [ 281.380368] 0 pages cma reserved [ 281.384606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.387764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.391494] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.395513] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.398919] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.402958] syz-executor3 cpuset= [ 281.406333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 281.411676] syz3 [ 281.418257] ? trace_hardirqs_on+0xbd/0x310 [ 281.422733] mems_allowed=0 [ 281.433214] ? kasan_check_read+0x11/0x20 [ 281.433232] ? finish_task_switch+0x1f5/0x900 [ 281.463593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.469061] ? compat_start_thread+0x80/0x80 [ 281.473499] ? pvclock_read_flags+0x160/0x160 [ 281.478011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.483551] ? check_preemption_disabled+0x48/0x200 [ 281.488594] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 281.494145] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.499422] ? rcu_pm_notify+0xc0/0xc0 [ 281.503326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.508871] ? check_preemption_disabled+0x48/0x200 [ 281.513901] run_timer_softirq+0x52/0xb0 [ 281.517965] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.522989] __do_softirq+0x30b/0xad8 [ 281.526814] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.531935] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.536697] ? schedule+0x108/0x460 [ 281.540340] ? trace_hardirqs_off+0xb8/0x310 [ 281.544770] ? smpboot_thread_fn+0x68b/0xa00 [ 281.549178] ? trace_hardirqs_on+0x310/0x310 [ 281.553589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.559130] ? check_preemption_disabled+0x48/0x200 [ 281.564177] ? takeover_tasklets+0xa90/0xa90 [ 281.568591] run_ksoftirqd+0x94/0x100 [ 281.572394] smpboot_thread_fn+0x68b/0xa00 [ 281.576634] ? sort_range+0x30/0x30 [ 281.580264] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.585373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.590917] ? __kthread_parkme+0xfb/0x1a0 [ 281.595163] kthread+0x35a/0x420 [ 281.598555] ? sort_range+0x30/0x30 [ 281.602197] ? kthread_bind+0x40/0x40 [ 281.606010] ret_from_fork+0x3a/0x50 [ 281.609745] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 281.609824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.616939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.616948] Call Trace: [ 281.623545] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.632792] [ 281.635366] ksoftirqd/0 cpuset= [ 281.645679] dump_stack+0x1c4/0x2b4 [ 281.647810] / [ 281.651118] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.654744] mems_allowed=0 [ 281.656479] warn_alloc.cold.119+0xb7/0x1bd [ 281.668902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.673748] ? lock_downgrade+0x900/0x900 [ 281.677909] ? trace_hardirqs_off+0xb8/0x310 [ 281.682327] ? trace_hardirqs_off+0xb8/0x310 [ 281.686959] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.691860] ? warn_alloc+0x120/0x120 [ 281.695672] ? warn_alloc+0x120/0x120 [ 281.699489] ? print_usage_bug+0xc0/0xc0 [ 281.703558] ? warn_alloc+0x120/0x120 [ 281.707362] ? print_usage_bug+0xc0/0xc0 [ 281.711451] ? __lock_acquire+0x7ec/0x4ec0 [ 281.715688] ? __lock_acquire+0x7ec/0x4ec0 [ 281.719967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.725517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.731054] ? should_fail+0x22d/0xd01 [ 281.734950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.740074] ? __lock_acquire+0x7ec/0x4ec0 [ 281.744318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.749425] ? __lock_acquire+0x7ec/0x4ec0 [ 281.753668] ? should_fail+0x22d/0xd01 [ 281.757572] ? mark_held_locks+0x130/0x130 [ 281.761853] ? mark_held_locks+0x130/0x130 [ 281.766099] ? graph_lock+0x170/0x170 [ 281.769903] ? print_usage_bug+0xc0/0xc0 [ 281.773965] ? graph_lock+0x170/0x170 [ 281.777771] ? print_usage_bug+0xc0/0xc0 [ 281.781837] ? wq_watchdog_touch+0x9c/0xfe [ 281.786076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.791620] ? check_preemption_disabled+0x48/0x200 [ 281.796641] ? check_preemption_disabled+0x48/0x200 [ 281.801695] ? __lock_is_held+0xb5/0x140 [ 281.805774] __alloc_pages_nodemask+0xa80/0xde0 [ 281.810462] ? graph_lock+0x170/0x170 [ 281.814278] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.819304] ? graph_lock+0x170/0x170 [ 281.823134] ? find_held_lock+0x36/0x1c0 [ 281.827222] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.831896] ? lock_downgrade+0x900/0x900 [ 281.836052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.841599] cache_grow_begin+0x91/0x8c0 [ 281.845662] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.850093] fallback_alloc+0x203/0x2e0 [ 281.854076] ____cache_alloc_node+0x1c7/0x1e0 [ 281.858584] kmem_cache_alloc_node+0xe3/0x730 [ 281.863082] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.867333] __alloc_skb+0x119/0x770 [ 281.871054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.876350] ? skb_scrub_packet+0x490/0x490 [ 281.880671] ? lock_downgrade+0x900/0x900 [ 281.884840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.890383] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.895860] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.901313] ? addrconf_rs_timer+0x690/0x690 [ 281.905749] ndisc_alloc_skb+0x144/0x340 [ 281.909826] ndisc_send_rs+0x331/0x6e0 [ 281.913733] addrconf_rs_timer+0x314/0x690 [ 281.917979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.922238] call_timer_fn+0x272/0x920 [ 281.926129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.930379] ? process_timeout+0x40/0x40 [ 281.934452] ? find_held_lock+0x36/0x1c0 [ 281.938527] ? __run_timers+0x7da/0xc70 [ 281.942508] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.947008] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.951508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.955742] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.960333] ? trace_hardirqs_on+0xbd/0x310 [ 281.964657] ? kasan_check_read+0x11/0x20 [ 281.968809] ? __run_timers+0x7da/0xc70 [ 281.972787] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.978250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.982508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.986760] __run_timers+0x7e5/0xc70 [ 281.990595] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.995963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.000984] ? graph_lock+0x170/0x170 [ 282.004792] ? enqueue_hrtimer+0x1a5/0x560 [ 282.009026] ? lock_release+0x970/0x970 [ 282.013005] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.018214] ? find_held_lock+0x36/0x1c0 [ 282.022290] ? graph_lock+0x170/0x170 [ 282.026123] ? pvclock_read_flags+0x160/0x160 [ 282.030620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.036167] ? check_preemption_disabled+0x48/0x200 [ 282.041195] ? __lock_is_held+0xb5/0x140 [ 282.045260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.050819] ? check_preemption_disabled+0x48/0x200 [ 282.055852] run_timer_softirq+0x52/0xb0 [ 282.059919] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.064940] __do_softirq+0x30b/0xad8 [ 282.068776] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.073888] ? pvclock_read_flags+0x160/0x160 [ 282.078388] ? lapic_next_event+0x5a/0x90 [ 282.082538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.088090] ? check_preemption_disabled+0x48/0x200 [ 282.093108] ? check_preemption_disabled+0x48/0x200 [ 282.098132] ? kvm_clock_read+0x18/0x30 [ 282.102115] ? kvm_sched_clock_read+0x9/0x20 [ 282.106543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.112088] ? check_preemption_disabled+0x48/0x200 [ 282.117121] irq_exit+0x17f/0x1c0 [ 282.120592] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.125450] ? smp_reschedule_interrupt+0x109/0x650 [ 282.130484] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.136382] ? interrupt_entry+0xb5/0xf0 [ 282.140454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.145479] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.150498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.155352] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.160382] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.165396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.170938] ? check_preemption_disabled+0x48/0x200 [ 282.175957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.181502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.186359] apic_timer_interrupt+0xf/0x20 [ 282.190588] [ 282.192835] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.197769] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 282.216673] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.224382] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.231647] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 282.238915] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 282.246183] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 282.253456] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 282.260762] skb_clone+0x1bb/0x500 [ 282.264304] ? finish_task_switch+0x1b5/0x900 [ 282.268803] ? skb_split+0x11e0/0x11e0 [ 282.272691] ? preempt_notifier_register+0x200/0x200 [ 282.277818] ? __switch_to_asm+0x34/0x70 [ 282.281891] ? __switch_to_asm+0x34/0x70 [ 282.285964] ? __switch_to_asm+0x40/0x70 [ 282.290024] ? __switch_to_asm+0x34/0x70 [ 282.294085] ? __switch_to_asm+0x40/0x70 [ 282.298152] ? __switch_to_asm+0x34/0x70 [ 282.302225] ? __switch_to_asm+0x40/0x70 [ 282.306296] ? __switch_to_asm+0x34/0x70 [ 282.310373] ? __switch_to_asm+0x34/0x70 [ 282.314480] ? __switch_to_asm+0x40/0x70 [ 282.318544] ? __switch_to_asm+0x34/0x70 [ 282.322617] bpf_clone_redirect+0xb9/0x490 [ 282.326857] ? __schedule+0x874/0x1ed0 [ 282.330748] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 282.335770] ? __sched_text_start+0x8/0x8 [ 282.339920] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.344705] ? find_held_lock+0x36/0x1c0 [ 282.348783] ? lock_acquire+0x1ed/0x520 [ 282.352767] ? bpf_test_run+0x32e/0x5a0 [ 282.356747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.362288] ? check_preemption_disabled+0x48/0x200 [ 282.367308] ? kasan_check_read+0x11/0x20 [ 282.371465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.376753] ? rcu_bh_qs+0xc0/0xc0 [ 282.380295] ? preempt_schedule+0x4d/0x60 [ 282.384451] ? ___preempt_schedule+0x16/0x18 [ 282.388870] ? bpf_test_run+0x1c0/0x5a0 [ 282.392866] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.397283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.402817] ? bpf_test_init.isra.9+0x70/0x100 [ 282.407406] ? bpf_prog_test_run_skb+0x634/0xb40 [ 282.412195] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.417056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.422619] ? fput+0x130/0x1a0 [ 282.425902] ? __bpf_prog_get+0x9b/0x290 [ 282.429969] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.434814] ? bpf_prog_test_run+0x130/0x1a0 [ 282.439227] ? __x64_sys_bpf+0x3d8/0x510 [ 282.443296] ? bpf_prog_get+0x20/0x20 [ 282.447121] ? do_syscall_64+0x1b9/0x820 [ 282.451186] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.456558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.461487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.466336] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.471365] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.476388] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.481411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.486309] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.491727] warn_alloc_show_mem: 1 callbacks suppressed [ 282.491745] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 282.491747] Mem-Info: [ 282.491778] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 282.491778] active_file:13 inactive_file:14 isolated_file:0 [ 282.491778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.491778] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 282.491778] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 282.491778] free:13777 free_pcp:213 free_cma:0 [ 282.497124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.503906] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.506307] Call Trace: [ 282.539192] 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 [ 282.548567] dump_stack+0x1c4/0x2b4 [ 282.576032] lowmem_reserve[]: 0 [ 282.578633] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.604771] 2819 [ 282.608420] warn_alloc.cold.119+0xb7/0x1bd [ 282.611670] 6323 [ 282.616858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.618899] 6323 [ 282.623216] ? lock_downgrade+0x900/0x900 [ 282.630131] ? trace_hardirqs_off+0xb8/0x310 [ 282.632172] Node 0 [ 282.636321] ? trace_hardirqs_off+0xb8/0x310 [ 282.640732] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 282.642947] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.647331] lowmem_reserve[]: [ 282.674335] ? warn_alloc+0x120/0x120 [ 282.679130] 0 [ 282.682259] ? warn_alloc+0x120/0x120 [ 282.686039] 0 [ 282.688069] ? print_usage_bug+0xc0/0xc0 [ 282.691848] 3503 [ 282.693670] ? warn_alloc+0x120/0x120 [ 282.697718] 3503 [ 282.699795] ? print_usage_bug+0xc0/0xc0 [ 282.705648] ? __lock_acquire+0x7ec/0x4ec0 [ 282.709689] Node 0 [ 282.713918] ? __lock_acquire+0x7ec/0x4ec0 [ 282.713955] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 282.716164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.720385] lowmem_reserve[]: [ 282.748665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.754176] 0 [ 282.757281] ? should_fail+0x22d/0xd01 [ 282.762793] 0 0 [ 282.764614] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.768474] 0 [ 282.770471] ? __lock_acquire+0x7ec/0x4ec0 [ 282.775558] Node 0 [ 282.777369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.781575] DMA: 1*4kB [ 282.783824] ? __lock_acquire+0x7ec/0x4ec0 [ 282.788895] (U) 0*8kB [ 282.791493] ? should_fail+0x22d/0xd01 [ 282.796217] 0*16kB [ 282.798725] ? mark_held_locks+0x130/0x130 [ 282.802584] 1*32kB [ 282.804850] ? mark_held_locks+0x130/0x130 [ 282.809058] (U) [ 282.811293] ? mark_held_locks+0xc7/0x130 [ 282.815496] 2*64kB (U) [ 282.817488] ? print_usage_bug+0xc0/0xc0 [ 282.821611] 1*128kB [ 282.824191] ? graph_lock+0x170/0x170 [ 282.828231] (U) [ 282.830560] ? print_usage_bug+0xc0/0xc0 [ 282.834333] 1*256kB (U) [ 282.836334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.840371] 0*512kB [ 282.843073] ? check_preemption_disabled+0x48/0x200 [ 282.848590] 1*1024kB (U) [ 282.850937] ? check_preemption_disabled+0x48/0x200 [ 282.855920] 1*2048kB (M) [ 282.858695] ? __lock_is_held+0xb5/0x140 [ 282.863681] 3*4096kB [ 282.866439] __alloc_pages_nodemask+0xa80/0xde0 [ 282.870483] (M) [ 282.872890] ? graph_lock+0x170/0x170 [ 282.877537] = 15908kB [ 282.877546] Node 0 [ 282.879562] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.883351] DMA32: [ 282.885777] ? graph_lock+0x170/0x170 [ 282.887993] 4*4kB [ 282.893026] ? find_held_lock+0x36/0x1c0 [ 282.895254] (M) [ 282.899056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.901183] 1*8kB [ 282.905241] ? lock_downgrade+0x900/0x900 [ 282.907198] (U) 3*16kB [ 282.911898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.914026] (UM) [ 282.918177] cache_grow_begin+0x91/0x8c0 [ 282.920730] 3*32kB (UM) [ 282.926295] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.928336] 5*64kB [ 282.932404] fallback_alloc+0x203/0x2e0 [ 282.935054] (UM) [ 282.939475] ____cache_alloc_node+0x1c7/0x1e0 [ 282.941689] 3*128kB [ 282.945680] kmem_cache_alloc_node+0xe3/0x730 [ 282.947744] (M) [ 282.952241] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.954555] 3*256kB [ 282.959054] __alloc_skb+0x119/0x770 [ 282.961001] (M) [ 282.965245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.967554] 4*512kB [ 282.971263] ? skb_scrub_packet+0x490/0x490 [ 282.973217] (UM) [ 282.978492] ? lock_downgrade+0x900/0x900 [ 282.980793] 3*1024kB [ 282.985141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.987169] (UM) [ 282.991333] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.993727] 1*2048kB [ 282.999270] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.001312] (M) [ 283.006784] ? addrconf_rs_timer+0x690/0x690 [ 283.009177] 4*4096kB [ 283.014643] ndisc_alloc_skb+0x144/0x340 [ 283.016589] (M) [ 283.021022] ndisc_send_rs+0x331/0x6e0 [ 283.023413] = 25192kB [ 283.027520] addrconf_rs_timer+0x314/0x690 [ 283.029570] Node 0 [ 283.033474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.035861] Normal: 824*4kB [ 283.040122] call_timer_fn+0x272/0x920 [ 283.042331] (MEH) [ 283.046571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.049566] 371*8kB [ 283.053471] ? process_timeout+0x40/0x40 [ 283.055600] (ME) [ 283.059846] ? find_held_lock+0x36/0x1c0 [ 283.062149] 164*16kB (ME) [ 283.066243] ? __run_timers+0x7da/0xc70 [ 283.068278] 69*32kB (UMEH) [ 283.072348] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.075187] 28*64kB [ 283.079155] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.082071] (M) [ 283.086565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.088868] 1*128kB [ 283.093363] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.095317] (M) [ 283.099557] ? trace_hardirqs_on+0xbd/0x310 [ 283.101866] 0*256kB 0*512kB [ 283.106456] ? kasan_check_read+0x11/0x20 [ 283.106474] ? __run_timers+0x7da/0xc70 [ 283.108433] 1*1024kB [ 283.112770] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.115773] (H) [ 283.119930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.123893] 0*2048kB [ 283.126304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.131735] 0*4096kB [ 283.133710] __run_timers+0x7e5/0xc70 [ 283.137920] = 14040kB [ 283.137935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.140340] ? find_held_lock+0x36/0x1c0 [ 283.144560] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.146970] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.150743] 146 total pagecache pages [ 283.150759] 0 pages in swap cache [ 283.153159] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.161984] Swap cache stats: add 0, delete 0, find 0/0 [ 283.161994] Free swap = 0kB [ 283.166052] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.174603] Total swap = 0kB [ 283.174612] 1965979 pages RAM [ 283.179973] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.183746] 0 pages HighMem/MovableOnly [ 283.183755] 342307 pages reserved [ 283.187222] ? trace_hardirqs_on+0xbd/0x310 [ 283.191705] 0 pages cma reserved [ 283.191796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.197081] ? kasan_check_read+0x11/0x20 [ 283.197110] ? finish_task_switch+0x1f5/0x900 [ 283.197124] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.197141] ? compat_start_thread+0x80/0x80 [ 283.200197] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.204648] ? pvclock_read_flags+0x160/0x160 [ 283.207642] syz-executor3 cpuset= [ 283.210773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.215339] syz3 [ 283.219316] ? check_preemption_disabled+0x48/0x200 [ 283.222741] mems_allowed=0 [ 283.289237] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 283.294788] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.300080] ? rcu_pm_notify+0xc0/0xc0 [ 283.303983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.309535] ? check_preemption_disabled+0x48/0x200 [ 283.314562] run_timer_softirq+0x52/0xb0 [ 283.318624] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.323660] __do_softirq+0x30b/0xad8 [ 283.327489] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.332618] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.337384] ? schedule+0x108/0x460 [ 283.341027] ? trace_hardirqs_off+0xb8/0x310 [ 283.345439] ? smpboot_thread_fn+0x68b/0xa00 [ 283.349861] ? trace_hardirqs_on+0x310/0x310 [ 283.354274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.359837] ? check_preemption_disabled+0x48/0x200 [ 283.364857] ? takeover_tasklets+0xa90/0xa90 [ 283.369271] run_ksoftirqd+0x94/0x100 [ 283.373072] smpboot_thread_fn+0x68b/0xa00 [ 283.377309] ? sort_range+0x30/0x30 [ 283.380940] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.386050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.391594] ? __kthread_parkme+0xfb/0x1a0 [ 283.395851] kthread+0x35a/0x420 [ 283.399233] ? sort_range+0x30/0x30 [ 283.402862] ? kthread_bind+0x40/0x40 [ 283.406669] ret_from_fork+0x3a/0x50 [ 283.410406] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 283.410489] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.417615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.417628] Call Trace: [ 283.417634] [ 283.417653] dump_stack+0x1c4/0x2b4 [ 283.417672] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.424225] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.433514] warn_alloc.cold.119+0xb7/0x1bd [ 283.436079] ksoftirqd/0 cpuset= [ 283.438228] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.441837] / [ 283.447041] ? lock_downgrade+0x900/0x900 [ 283.457331] mems_allowed=0 [ 283.461648] ? trace_hardirqs_off+0xb8/0x310 [ 283.483174] ? trace_hardirqs_off+0xb8/0x310 [ 283.487595] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.492501] ? warn_alloc+0x120/0x120 [ 283.496312] ? warn_alloc+0x120/0x120 [ 283.500118] ? print_usage_bug+0xc0/0xc0 [ 283.504183] ? warn_alloc+0x120/0x120 [ 283.507999] ? print_usage_bug+0xc0/0xc0 [ 283.512061] ? __lock_acquire+0x7ec/0x4ec0 [ 283.516297] ? __lock_acquire+0x7ec/0x4ec0 [ 283.520538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.526080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.531621] ? should_fail+0x22d/0xd01 [ 283.535519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.540621] ? __lock_acquire+0x7ec/0x4ec0 [ 283.544863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.549969] ? __lock_acquire+0x7ec/0x4ec0 [ 283.554200] ? should_fail+0x22d/0xd01 [ 283.558099] ? mark_held_locks+0x130/0x130 [ 283.562340] ? mark_held_locks+0x130/0x130 [ 283.566582] ? graph_lock+0x170/0x170 [ 283.570384] ? print_usage_bug+0xc0/0xc0 [ 283.574471] ? graph_lock+0x170/0x170 [ 283.578272] ? print_usage_bug+0xc0/0xc0 [ 283.582338] ? wq_watchdog_touch+0x9c/0xfe [ 283.586579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.592128] ? check_preemption_disabled+0x48/0x200 [ 283.597146] ? check_preemption_disabled+0x48/0x200 [ 283.602214] ? __lock_is_held+0xb5/0x140 [ 283.606329] __alloc_pages_nodemask+0xa80/0xde0 [ 283.611000] ? graph_lock+0x170/0x170 [ 283.614808] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.619823] ? graph_lock+0x170/0x170 [ 283.623638] ? find_held_lock+0x36/0x1c0 [ 283.627711] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.632384] ? lock_downgrade+0x900/0x900 [ 283.636543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.642091] cache_grow_begin+0x91/0x8c0 [ 283.646192] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.650634] fallback_alloc+0x203/0x2e0 [ 283.654631] ____cache_alloc_node+0x1c7/0x1e0 [ 283.659133] kmem_cache_alloc_node+0xe3/0x730 [ 283.663631] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.667884] __alloc_skb+0x119/0x770 [ 283.671605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.676888] ? skb_scrub_packet+0x490/0x490 [ 283.681220] ? lock_downgrade+0x900/0x900 [ 283.685390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.690960] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.696420] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.701888] ? addrconf_rs_timer+0x690/0x690 [ 283.706329] ndisc_alloc_skb+0x144/0x340 [ 283.710398] ndisc_send_rs+0x331/0x6e0 [ 283.714295] addrconf_rs_timer+0x314/0x690 [ 283.718571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.722822] call_timer_fn+0x272/0x920 [ 283.726715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.730969] ? process_timeout+0x40/0x40 [ 283.735036] ? find_held_lock+0x36/0x1c0 [ 283.739125] ? __run_timers+0x7da/0xc70 [ 283.743104] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.747603] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.752101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.756340] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.760927] ? trace_hardirqs_on+0xbd/0x310 [ 283.765254] ? kasan_check_read+0x11/0x20 [ 283.769404] ? __run_timers+0x7da/0xc70 [ 283.773385] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.778844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.783097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.787337] __run_timers+0x7e5/0xc70 [ 283.791153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.796525] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.801545] ? graph_lock+0x170/0x170 [ 283.805353] ? enqueue_hrtimer+0x1a5/0x560 [ 283.809586] ? lock_release+0x970/0x970 [ 283.813574] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.818775] ? find_held_lock+0x36/0x1c0 [ 283.822848] ? graph_lock+0x170/0x170 [ 283.826655] ? pvclock_read_flags+0x160/0x160 [ 283.831157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.836700] ? check_preemption_disabled+0x48/0x200 [ 283.841734] ? __lock_is_held+0xb5/0x140 [ 283.845800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.851355] ? check_preemption_disabled+0x48/0x200 [ 283.856389] run_timer_softirq+0x52/0xb0 [ 283.860461] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.865491] __do_softirq+0x30b/0xad8 [ 283.869303] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.874414] ? pvclock_read_flags+0x160/0x160 [ 283.878934] ? lapic_next_event+0x5a/0x90 [ 283.883092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.888647] ? check_preemption_disabled+0x48/0x200 [ 283.893660] ? check_preemption_disabled+0x48/0x200 [ 283.898685] ? kvm_clock_read+0x18/0x30 [ 283.902658] ? kvm_sched_clock_read+0x9/0x20 [ 283.907083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.912626] ? check_preemption_disabled+0x48/0x200 [ 283.917656] irq_exit+0x17f/0x1c0 [ 283.921124] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.925965] ? smp_reschedule_interrupt+0x109/0x650 [ 283.931001] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.936892] ? interrupt_entry+0xb5/0xf0 [ 283.940984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.946004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.951034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.955882] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.960898] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.965915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.971460] ? check_preemption_disabled+0x48/0x200 [ 283.976492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.982038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.986890] apic_timer_interrupt+0xf/0x20 [ 283.991120] [ 283.993363] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 283.998295] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 284.017192] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.024916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.032187] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 284.039475] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 284.046740] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 284.054018] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 284.061324] skb_clone+0x1bb/0x500 [ 284.064867] ? finish_task_switch+0x1b5/0x900 [ 284.069366] ? skb_split+0x11e0/0x11e0 [ 284.073274] ? preempt_notifier_register+0x200/0x200 [ 284.078374] ? __switch_to_asm+0x34/0x70 [ 284.082456] ? __switch_to_asm+0x34/0x70 [ 284.086530] ? __switch_to_asm+0x40/0x70 [ 284.090590] ? __switch_to_asm+0x34/0x70 [ 284.094648] ? __switch_to_asm+0x40/0x70 [ 284.098715] ? __switch_to_asm+0x34/0x70 [ 284.102776] ? __switch_to_asm+0x40/0x70 [ 284.106867] ? __switch_to_asm+0x34/0x70 [ 284.110929] ? __switch_to_asm+0x34/0x70 [ 284.115006] ? __switch_to_asm+0x40/0x70 [ 284.119063] ? __switch_to_asm+0x34/0x70 [ 284.123142] bpf_clone_redirect+0xb9/0x490 [ 284.127381] ? __schedule+0x874/0x1ed0 [ 284.131273] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 284.136307] ? __sched_text_start+0x8/0x8 [ 284.140479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.145254] ? find_held_lock+0x36/0x1c0 [ 284.149327] ? lock_acquire+0x1ed/0x520 [ 284.153301] ? bpf_test_run+0x32e/0x5a0 [ 284.157304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.162873] ? check_preemption_disabled+0x48/0x200 [ 284.167894] ? kasan_check_read+0x11/0x20 [ 284.172046] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.177327] ? rcu_bh_qs+0xc0/0xc0 [ 284.180873] ? preempt_schedule+0x4d/0x60 [ 284.185037] ? ___preempt_schedule+0x16/0x18 [ 284.189462] ? bpf_test_run+0x1c0/0x5a0 [ 284.193476] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.197915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.203462] ? bpf_test_init.isra.9+0x70/0x100 [ 284.208052] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.212819] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.217665] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.223201] ? fput+0x130/0x1a0 [ 284.226487] ? __bpf_prog_get+0x9b/0x290 [ 284.230551] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.235394] ? bpf_prog_test_run+0x130/0x1a0 [ 284.239810] ? __x64_sys_bpf+0x3d8/0x510 [ 284.243872] ? bpf_prog_get+0x20/0x20 [ 284.247695] ? do_syscall_64+0x1b9/0x820 [ 284.251756] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.257125] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.262079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.266928] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.271948] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.276968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.281994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.286847] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.292221] warn_alloc_show_mem: 1 callbacks suppressed [ 284.292231] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 284.292233] Mem-Info: [ 284.297619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.304379] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 284.304379] active_file:13 inactive_file:14 isolated_file:0 [ 284.304379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.304379] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 284.304379] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 284.304379] free:13777 free_pcp:213 free_cma:0 [ 284.306761] Call Trace: [ 284.316148] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.349012] dump_stack+0x1c4/0x2b4 [ 284.351580] Node 0 [ 284.379076] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.382702] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 284.384920] warn_alloc.cold.119+0xb7/0x1bd [ 284.390087] lowmem_reserve[]: 0 [ 284.415598] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.419899] 2819 [ 284.423187] ? lock_downgrade+0x900/0x900 [ 284.428008] 6323 [ 284.430117] ? trace_hardirqs_off+0xb8/0x310 [ 284.434231] 6323 [ 284.436318] ? trace_hardirqs_off+0xb8/0x310 [ 284.440713] Node 0 [ 284.442786] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.447191] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 284.449427] ? warn_alloc+0x120/0x120 [ 284.454221] lowmem_reserve[]: [ 284.481199] ? warn_alloc+0x120/0x120 [ 284.484980] 0 [ 284.488088] ? print_usage_bug+0xc0/0xc0 [ 284.491897] 0 3503 [ 284.493716] ? warn_alloc+0x120/0x120 [ 284.497756] 3503 [ 284.499992] ? print_usage_bug+0xc0/0xc0 [ 284.503774] Node 0 [ 284.505888] ? __lock_acquire+0x7ec/0x4ec0 [ 284.509942] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 284.512150] ? __lock_acquire+0x7ec/0x4ec0 [ 284.516361] lowmem_reserve[]: 0 [ 284.544675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.548904] 0 [ 284.552189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.557706] 0 0 [ 284.559540] ? should_fail+0x22d/0xd01 [ 284.565056] Node 0 [ 284.567038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.570895] DMA: 1*4kB [ 284.573146] ? __lock_acquire+0x7ec/0x4ec0 [ 284.578229] (U) [ 284.580819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.585033] 0*8kB [ 284.587012] ? __lock_acquire+0x7ec/0x4ec0 [ 284.592117] 0*16kB [ 284.594280] ? should_fail+0x22d/0xd01 [ 284.598496] 1*32kB [ 284.600746] ? mark_held_locks+0x130/0x130 [ 284.604599] (U) [ 284.606843] ? mark_held_locks+0x130/0x130 [ 284.611059] 2*64kB [ 284.613038] ? graph_lock+0x170/0x170 [ 284.617250] (U) 1*128kB [ 284.619497] ? print_usage_bug+0xc0/0xc0 [ 284.623268] (U) 1*256kB [ 284.625950] ? graph_lock+0x170/0x170 [ 284.629990] (U) [ 284.632662] ? print_usage_bug+0xc0/0xc0 [ 284.636470] 0*512kB [ 284.638460] ? wq_watchdog_touch+0x9c/0xfe [ 284.642508] 1*1024kB (U) [ 284.644855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.649062] 1*2048kB (M) [ 284.651840] ? check_preemption_disabled+0x48/0x200 [ 284.657358] 3*4096kB [ 284.660130] ? check_preemption_disabled+0x48/0x200 [ 284.660157] ? __lock_is_held+0xb5/0x140 [ 284.665146] (M) [ 284.667583] __alloc_pages_nodemask+0xa80/0xde0 [ 284.672590] = 15908kB [ 284.676661] ? graph_lock+0x170/0x170 [ 284.678625] Node 0 [ 284.683307] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.685723] DMA32: [ 284.689532] ? graph_lock+0x170/0x170 [ 284.691753] 4*4kB [ 284.696788] ? find_held_lock+0x36/0x1c0 [ 284.698996] (M) [ 284.702827] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.704959] 1*8kB [ 284.709022] ? lock_downgrade+0x900/0x900 [ 284.710976] (U) [ 284.715646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.717806] 3*16kB [ 284.721954] cache_grow_begin+0x91/0x8c0 [ 284.723912] (UM) [ 284.729490] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.731744] 3*32kB [ 284.735813] fallback_alloc+0x203/0x2e0 [ 284.737853] (UM) [ 284.742307] ____cache_alloc_node+0x1c7/0x1e0 [ 284.744492] 5*64kB (UM) [ 284.748513] kmem_cache_alloc_node+0xe3/0x730 [ 284.750572] 3*128kB [ 284.755070] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.757734] (M) [ 284.762243] __alloc_skb+0x119/0x770 [ 284.764547] 3*256kB [ 284.768803] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.770767] (M) [ 284.774506] ? skb_scrub_packet+0x490/0x490 [ 284.776807] 4*512kB [ 284.782087] ? lock_downgrade+0x900/0x900 [ 284.784046] (UM) [ 284.788384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.790685] 3*1024kB [ 284.794978] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.797024] (UM) [ 284.802566] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.804957] 1*2048kB [ 284.810430] ? addrconf_rs_timer+0x690/0x690 [ 284.812479] (M) [ 284.817946] ndisc_alloc_skb+0x144/0x340 [ 284.820330] 4*4096kB [ 284.824743] ndisc_send_rs+0x331/0x6e0 [ 284.826693] (M) [ 284.830765] addrconf_rs_timer+0x314/0x690 [ 284.833156] = 25192kB [ 284.837073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.839049] Node 0 [ 284.843296] call_timer_fn+0x272/0x920 [ 284.845679] Normal: [ 284.849914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.852141] 824*4kB [ 284.856046] ? process_timeout+0x40/0x40 [ 284.858348] (MEH) [ 284.862585] ? find_held_lock+0x36/0x1c0 [ 284.864895] 371*8kB [ 284.869006] ? __run_timers+0x7da/0xc70 [ 284.871128] (ME) [ 284.875185] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.877489] 164*16kB [ 284.881466] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.883525] (ME) [ 284.888030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.890418] 69*32kB [ 284.894921] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.896962] (UMEH) [ 284.901196] ? trace_hardirqs_on+0xbd/0x310 [ 284.903500] 28*64kB [ 284.908077] ? kasan_check_read+0x11/0x20 [ 284.910294] (M) [ 284.914618] ? __run_timers+0x7da/0xc70 [ 284.916922] 1*128kB [ 284.921071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.923027] (M) [ 284.927001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.929317] 0*256kB [ 284.934777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.936739] 0*512kB 1*1024kB [ 284.941018] __run_timers+0x7e5/0xc70 [ 284.943329] (H) [ 284.947565] ? find_held_lock+0x36/0x1c0 [ 284.950649] 0*2048kB [ 284.954461] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.956408] 0*4096kB [ 284.960475] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.962859] = 14040kB [ 284.962874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.968224] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.970626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.975124] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.977526] 146 total pagecache pages [ 284.986360] ? trace_hardirqs_on+0xbd/0x310 [ 284.990839] 0 pages in swap cache [ 284.999405] ? kasan_check_read+0x11/0x20 [ 284.999422] ? finish_task_switch+0x1f5/0x900 [ 284.999437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.999460] ? compat_start_thread+0x80/0x80 [ 284.999517] ? pvclock_read_flags+0x160/0x160 [ 285.004049] Swap cache stats: add 0, delete 0, find 0/0 [ 285.007843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.012139] Free swap = 0kB [ 285.012148] Total swap = 0kB [ 285.015616] ? check_preemption_disabled+0x48/0x200 [ 285.019759] 1965979 pages RAM [ 285.024260] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 285.029682] 0 pages HighMem/MovableOnly [ 285.029691] 342307 pages reserved [ 285.034115] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.038586] 0 pages cma reserved [ 285.043947] ? rcu_pm_notify+0xc0/0xc0 [ 285.049535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.052500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.055552] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.060515] ? check_preemption_disabled+0x48/0x200 [ 285.063598] syz-executor3 cpuset= [ 285.069139] run_timer_softirq+0x52/0xb0 [ 285.073089] syz3 [ 285.076542] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.081804] mems_allowed=0 [ 285.085170] __do_softirq+0x30b/0xad8 [ 285.137703] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.142827] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.147597] ? schedule+0x108/0x460 [ 285.151238] ? trace_hardirqs_off+0xb8/0x310 [ 285.155655] ? smpboot_thread_fn+0x68b/0xa00 [ 285.160065] ? trace_hardirqs_on+0x310/0x310 [ 285.164482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.170026] ? check_preemption_disabled+0x48/0x200 [ 285.175051] ? takeover_tasklets+0xa90/0xa90 [ 285.179473] run_ksoftirqd+0x94/0x100 [ 285.183275] smpboot_thread_fn+0x68b/0xa00 [ 285.187517] ? sort_range+0x30/0x30 [ 285.191153] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.196258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.201830] ? __kthread_parkme+0xfb/0x1a0 [ 285.206070] kthread+0x35a/0x420 [ 285.209437] ? sort_range+0x30/0x30 [ 285.213074] ? kthread_bind+0x40/0x40 [ 285.216879] ret_from_fork+0x3a/0x50 [ 285.220626] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 285.220699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.227820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.227826] Call Trace: [ 285.227832] [ 285.227852] dump_stack+0x1c4/0x2b4 [ 285.227872] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.234405] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.243715] warn_alloc.cold.119+0xb7/0x1bd [ 285.246269] ksoftirqd/0 cpuset= [ 285.248417] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.252020] / [ 285.257208] ? lock_downgrade+0x900/0x900 [ 285.267494] mems_allowed=0 [ 285.271817] ? trace_hardirqs_off+0xb8/0x310 [ 285.293056] ? trace_hardirqs_off+0xb8/0x310 [ 285.297492] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.302374] ? warn_alloc+0x120/0x120 [ 285.306186] ? warn_alloc+0x120/0x120 [ 285.310008] ? print_usage_bug+0xc0/0xc0 [ 285.314099] ? warn_alloc+0x120/0x120 [ 285.317904] ? print_usage_bug+0xc0/0xc0 [ 285.321966] ? __lock_acquire+0x7ec/0x4ec0 [ 285.326201] ? __lock_acquire+0x7ec/0x4ec0 [ 285.330440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.335994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.341534] ? should_fail+0x22d/0xd01 [ 285.345438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.350557] ? __lock_acquire+0x7ec/0x4ec0 [ 285.354799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.359912] ? __lock_acquire+0x7ec/0x4ec0 [ 285.364148] ? should_fail+0x22d/0xd01 [ 285.368047] ? mark_held_locks+0x130/0x130 [ 285.372292] ? mark_held_locks+0x130/0x130 [ 285.376533] ? graph_lock+0x170/0x170 [ 285.380335] ? print_usage_bug+0xc0/0xc0 [ 285.384399] ? graph_lock+0x170/0x170 [ 285.388221] ? print_usage_bug+0xc0/0xc0 [ 285.392291] ? wq_watchdog_touch+0x9c/0xfe [ 285.396529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.402082] ? check_preemption_disabled+0x48/0x200 [ 285.407099] ? check_preemption_disabled+0x48/0x200 [ 285.412142] ? __lock_is_held+0xb5/0x140 [ 285.416211] __alloc_pages_nodemask+0xa80/0xde0 [ 285.420888] ? graph_lock+0x170/0x170 [ 285.424693] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.429721] ? graph_lock+0x170/0x170 [ 285.433545] ? find_held_lock+0x36/0x1c0 [ 285.437630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.442301] ? lock_downgrade+0x900/0x900 [ 285.446466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.452017] cache_grow_begin+0x91/0x8c0 [ 285.456098] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.460513] fallback_alloc+0x203/0x2e0 [ 285.464497] ____cache_alloc_node+0x1c7/0x1e0 [ 285.469001] kmem_cache_alloc_node+0xe3/0x730 [ 285.473503] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.477749] __alloc_skb+0x119/0x770 [ 285.481477] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.486787] ? skb_scrub_packet+0x490/0x490 [ 285.491126] ? lock_downgrade+0x900/0x900 [ 285.495309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.500862] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.506318] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.511771] ? addrconf_rs_timer+0x690/0x690 [ 285.516231] ndisc_alloc_skb+0x144/0x340 [ 285.520334] ndisc_send_rs+0x331/0x6e0 [ 285.524228] addrconf_rs_timer+0x314/0x690 [ 285.528484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.532735] call_timer_fn+0x272/0x920 [ 285.536648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.540888] ? process_timeout+0x40/0x40 [ 285.544951] ? find_held_lock+0x36/0x1c0 [ 285.549028] ? __run_timers+0x7da/0xc70 [ 285.553032] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.557528] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.562021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.566259] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.570846] ? trace_hardirqs_on+0xbd/0x310 [ 285.575182] ? kasan_check_read+0x11/0x20 [ 285.579332] ? __run_timers+0x7da/0xc70 [ 285.583310] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.588777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.593020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.597271] __run_timers+0x7e5/0xc70 [ 285.601093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.606471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.611503] ? graph_lock+0x170/0x170 [ 285.615310] ? enqueue_hrtimer+0x1a5/0x560 [ 285.619554] ? lock_release+0x970/0x970 [ 285.623535] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.628738] ? find_held_lock+0x36/0x1c0 [ 285.632819] ? graph_lock+0x170/0x170 [ 285.636637] ? pvclock_read_flags+0x160/0x160 [ 285.641156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.646736] ? check_preemption_disabled+0x48/0x200 [ 285.651762] ? __lock_is_held+0xb5/0x140 [ 285.655838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.661377] ? check_preemption_disabled+0x48/0x200 [ 285.666402] run_timer_softirq+0x52/0xb0 [ 285.670474] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.675500] __do_softirq+0x30b/0xad8 [ 285.679328] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.684462] ? pvclock_read_flags+0x160/0x160 [ 285.689188] ? lapic_next_event+0x5a/0x90 [ 285.693341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.698885] ? check_preemption_disabled+0x48/0x200 [ 285.703907] ? check_preemption_disabled+0x48/0x200 [ 285.708937] ? kvm_clock_read+0x18/0x30 [ 285.712915] ? kvm_sched_clock_read+0x9/0x20 [ 285.717328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.722872] ? check_preemption_disabled+0x48/0x200 [ 285.727922] irq_exit+0x17f/0x1c0 [ 285.731382] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.736248] ? smp_reschedule_interrupt+0x109/0x650 [ 285.741273] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.747163] ? interrupt_entry+0xb5/0xf0 [ 285.751228] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.756258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.761277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.766121] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.771171] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.776204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.781760] ? check_preemption_disabled+0x48/0x200 [ 285.786778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.792325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.797178] apic_timer_interrupt+0xf/0x20 [ 285.801407] [ 285.803652] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.808583] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 285.827499] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 285.835216] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 285.842491] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 285.849761] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 285.857040] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.864309] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 285.871636] skb_clone+0x1bb/0x500 [ 285.875191] ? finish_task_switch+0x1b5/0x900 [ 285.879693] ? skb_split+0x11e0/0x11e0 [ 285.883584] ? preempt_notifier_register+0x200/0x200 [ 285.888687] ? __switch_to_asm+0x34/0x70 [ 285.892746] ? __switch_to_asm+0x34/0x70 [ 285.896807] ? __switch_to_asm+0x40/0x70 [ 285.900870] ? __switch_to_asm+0x34/0x70 [ 285.904934] ? __switch_to_asm+0x40/0x70 [ 285.908994] ? __switch_to_asm+0x34/0x70 [ 285.913072] ? __switch_to_asm+0x40/0x70 [ 285.917131] ? __switch_to_asm+0x34/0x70 [ 285.921208] ? __switch_to_asm+0x34/0x70 [ 285.925290] ? __switch_to_asm+0x40/0x70 [ 285.929352] ? __switch_to_asm+0x34/0x70 [ 285.933423] bpf_clone_redirect+0xb9/0x490 [ 285.937673] ? __schedule+0x874/0x1ed0 [ 285.941571] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 285.946595] ? __sched_text_start+0x8/0x8 [ 285.950748] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.955530] ? find_held_lock+0x36/0x1c0 [ 285.959598] ? lock_acquire+0x1ed/0x520 [ 285.963575] ? bpf_test_run+0x32e/0x5a0 [ 285.967567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.973129] ? check_preemption_disabled+0x48/0x200 [ 285.978207] ? kasan_check_read+0x11/0x20 [ 285.982365] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.987645] ? rcu_bh_qs+0xc0/0xc0 [ 285.991189] ? preempt_schedule+0x4d/0x60 [ 285.995365] ? ___preempt_schedule+0x16/0x18 [ 285.999781] ? bpf_test_run+0x1c0/0x5a0 [ 286.003767] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.008183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.013720] ? bpf_test_init.isra.9+0x70/0x100 [ 286.018308] ? bpf_prog_test_run_skb+0x634/0xb40 [ 286.023099] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.027954] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.033495] ? fput+0x130/0x1a0 [ 286.036778] ? __bpf_prog_get+0x9b/0x290 [ 286.040847] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.045689] ? bpf_prog_test_run+0x130/0x1a0 [ 286.050114] ? __x64_sys_bpf+0x3d8/0x510 [ 286.054179] ? bpf_prog_get+0x20/0x20 [ 286.058002] ? do_syscall_64+0x1b9/0x820 [ 286.062064] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.067434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.072375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.077223] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.082249] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.087284] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.092309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.097162] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.102542] warn_alloc_show_mem: 1 callbacks suppressed [ 286.102554] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 286.102556] Mem-Info: [ 286.102586] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 286.102586] active_file:13 inactive_file:14 isolated_file:0 [ 286.102586] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.102586] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 286.102586] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 286.102586] free:13777 free_pcp:213 free_cma:0 [ 286.107931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.114718] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.117120] Call Trace: [ 286.149994] Node 0 [ 286.159352] dump_stack+0x1c4/0x2b4 [ 286.186847] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.189411] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.191620] lowmem_reserve[]: 0 [ 286.195271] warn_alloc.cold.119+0xb7/0x1bd [ 286.220754] 2819 6323 [ 286.225983] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.229242] 6323 [ 286.233575] ? lock_downgrade+0x900/0x900 [ 286.236053] Node 0 [ 286.240898] ? trace_hardirqs_off+0xb8/0x310 [ 286.242994] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.247115] ? trace_hardirqs_off+0xb8/0x310 [ 286.249322] lowmem_reserve[]: 0 [ 286.253747] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.280703] 0 3503 [ 286.285148] ? warn_alloc+0x120/0x120 [ 286.288383] 3503 [ 286.293225] ? warn_alloc+0x120/0x120 [ 286.295462] Node 0 [ 286.299313] ? print_usage_bug+0xc0/0xc0 [ 286.301382] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 286.305155] ? warn_alloc+0x120/0x120 [ 286.307374] lowmem_reserve[]: [ 286.311435] ? print_usage_bug+0xc0/0xc0 [ 286.339724] 0 [ 286.343539] ? __lock_acquire+0x7ec/0x4ec0 [ 286.346632] 0 [ 286.350695] ? __lock_acquire+0x7ec/0x4ec0 [ 286.352486] 0 0 [ 286.356731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.362750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.364700] Node 0 [ 286.370252] ? should_fail+0x22d/0xd01 [ 286.370271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.375804] DMA: [ 286.378090] ? __lock_acquire+0x7ec/0x4ec0 [ 286.381955] 1*4kB [ 286.387069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.389111] (U) [ 286.393365] ? __lock_acquire+0x7ec/0x4ec0 [ 286.395495] 0*8kB 0*16kB [ 286.400609] ? should_fail+0x22d/0xd01 [ 286.402606] 1*32kB [ 286.406858] ? mark_held_locks+0x130/0x130 [ 286.409606] (U) 2*64kB [ 286.413505] ? mark_held_locks+0x130/0x130 [ 286.415719] (U) 1*128kB [ 286.419971] ? graph_lock+0x170/0x170 [ 286.422535] (U) [ 286.426774] ? print_usage_bug+0xc0/0xc0 [ 286.429437] 1*256kB [ 286.433255] ? graph_lock+0x170/0x170 [ 286.435204] (U) 0*512kB [ 286.439269] ? print_usage_bug+0xc0/0xc0 [ 286.441571] 1*1024kB [ 286.445369] ? wq_watchdog_touch+0x9c/0xfe [ 286.448019] (U) [ 286.452079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.454479] 1*2048kB [ 286.458713] ? check_preemption_disabled+0x48/0x200 [ 286.460680] (M) [ 286.466213] ? check_preemption_disabled+0x48/0x200 [ 286.468605] 3*4096kB [ 286.473632] ? __lock_is_held+0xb5/0x140 [ 286.475600] (M) [ 286.480619] __alloc_pages_nodemask+0xa80/0xde0 [ 286.483016] = 15908kB [ 286.483025] Node 0 [ 286.487082] ? graph_lock+0x170/0x170 [ 286.489039] DMA32: [ 286.493706] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.496095] 4*4kB [ 286.498329] ? graph_lock+0x170/0x170 [ 286.502105] (M) 1*8kB [ 286.504353] ? find_held_lock+0x36/0x1c0 [ 286.509338] (U) [ 286.511492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.515266] 3*16kB (UM) [ 286.517778] ? lock_downgrade+0x900/0x900 [ 286.521826] 3*32kB [ 286.523810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.528463] (UM) [ 286.531136] cache_grow_begin+0x91/0x8c0 [ 286.535262] 5*64kB (UM) [ 286.537515] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.543030] 3*128kB [ 286.545109] fallback_alloc+0x203/0x2e0 [ 286.549142] (M) [ 286.551835] ____cache_alloc_node+0x1c7/0x1e0 [ 286.556230] 3*256kB (M) [ 286.558571] kmem_cache_alloc_node+0xe3/0x730 [ 286.562527] 4*512kB [ 286.564525] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.569021] (UM) [ 286.571703] __alloc_skb+0x119/0x770 [ 286.576174] 3*1024kB [ 286.578502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.582722] (UM) 1*2048kB [ 286.584802] ? skb_scrub_packet+0x490/0x490 [ 286.588498] (M) [ 286.590927] ? lock_downgrade+0x900/0x900 [ 286.596211] 4*4096kB [ 286.599090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.603388] (M) [ 286.605387] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.609513] = 25192kB [ 286.611925] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.617452] Node 0 Normal: [ 286.619459] ? addrconf_rs_timer+0x690/0x690 [ 286.624896] 824*4kB [ 286.627320] ndisc_alloc_skb+0x144/0x340 [ 286.632770] (MEH) [ 286.635723] ndisc_send_rs+0x331/0x6e0 [ 286.640115] 371*8kB [ 286.642453] addrconf_rs_timer+0x314/0x690 [ 286.646498] (ME) [ 286.648653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.652529] 164*16kB (ME) [ 286.654874] call_timer_fn+0x272/0x920 [ 286.659075] 69*32kB (UMEH) [ 286.661153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.665374] 28*64kB [ 286.668223] ? process_timeout+0x40/0x40 [ 286.672097] (M) [ 286.675044] ? find_held_lock+0x36/0x1c0 [ 286.679269] 1*128kB [ 286.681615] ? __run_timers+0x7da/0xc70 [ 286.685649] (M) 0*256kB [ 286.687812] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.691854] 0*512kB 1*1024kB [ 286.694198] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.698165] (H) [ 286.700842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.705324] 0*2048kB 0*4096kB [ 286.708438] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.713021] = 14040kB [ 286.714994] ? trace_hardirqs_on+0xbd/0x310 [ 286.719216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.722413] ? kasan_check_read+0x11/0x20 [ 286.726981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.729390] ? __run_timers+0x7da/0xc70 [ 286.733687] 146 total pagecache pages [ 286.742522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.746649] 0 pages in swap cache [ 286.755230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.759226] Swap cache stats: add 0, delete 0, find 0/0 [ 286.763019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.768451] Free swap = 0kB [ 286.768461] Total swap = 0kB [ 286.771911] __run_timers+0x7e5/0xc70 [ 286.776128] 1965979 pages RAM [ 286.781487] ? find_held_lock+0x36/0x1c0 [ 286.785693] 0 pages HighMem/MovableOnly [ 286.785703] 342307 pages reserved [ 286.788729] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.791712] 0 pages cma reserved [ 286.791788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.795662] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.798836] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.802810] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.806771] syz-executor3 cpuset= [ 286.810220] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.815564] syz3 [ 286.818942] ? trace_hardirqs_on+0xbd/0x310 [ 286.825417] mems_allowed=0 [ 286.829908] ? kasan_check_read+0x11/0x20 [ 286.866198] ? finish_task_switch+0x1f5/0x900 [ 286.870703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.876170] ? compat_start_thread+0x80/0x80 [ 286.880620] ? pvclock_read_flags+0x160/0x160 [ 286.885146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.890684] ? check_preemption_disabled+0x48/0x200 [ 286.895708] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 286.901248] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.906527] ? rcu_pm_notify+0xc0/0xc0 [ 286.910429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.915976] ? check_preemption_disabled+0x48/0x200 [ 286.921002] run_timer_softirq+0x52/0xb0 [ 286.925064] ? rcu_read_lock_sched_held+0x108/0x120 [ 286.930094] __do_softirq+0x30b/0xad8 [ 286.933906] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 286.939025] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.943786] ? schedule+0x108/0x460 [ 286.947423] ? trace_hardirqs_off+0xb8/0x310 [ 286.951865] ? smpboot_thread_fn+0x68b/0xa00 [ 286.956273] ? trace_hardirqs_on+0x310/0x310 [ 286.960698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.966274] ? check_preemption_disabled+0x48/0x200 [ 286.971296] ? takeover_tasklets+0xa90/0xa90 [ 286.975725] run_ksoftirqd+0x94/0x100 [ 286.979550] smpboot_thread_fn+0x68b/0xa00 [ 286.983802] ? sort_range+0x30/0x30 [ 286.987430] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.992544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.998103] ? __kthread_parkme+0xfb/0x1a0 [ 287.002350] kthread+0x35a/0x420 [ 287.005719] ? sort_range+0x30/0x30 [ 287.009347] ? kthread_bind+0x40/0x40 [ 287.013153] ret_from_fork+0x3a/0x50 [ 287.016891] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 287.016975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.024081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.024087] Call Trace: [ 287.024093] [ 287.024113] dump_stack+0x1c4/0x2b4 [ 287.024132] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.030808] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.039982] warn_alloc.cold.119+0xb7/0x1bd [ 287.042562] ksoftirqd/0 cpuset= [ 287.044720] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.048326] / [ 287.053525] ? lock_downgrade+0x900/0x900 [ 287.063826] mems_allowed=0 [ 287.068146] ? trace_hardirqs_off+0xb8/0x310 [ 287.089379] ? trace_hardirqs_off+0xb8/0x310 [ 287.093815] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.098691] ? warn_alloc+0x120/0x120 [ 287.102495] ? trace_hardirqs_on+0x310/0x310 [ 287.106908] ? warn_alloc+0x120/0x120 [ 287.110709] ? print_usage_bug+0xc0/0xc0 [ 287.114796] ? warn_alloc+0x120/0x120 [ 287.118610] ? ktime_get+0x2e1/0x440 [ 287.122328] ? print_usage_bug+0xc0/0xc0 [ 287.126394] ? __lock_acquire+0x7ec/0x4ec0 [ 287.130633] ? __lock_acquire+0x7ec/0x4ec0 [ 287.134888] ? kasan_check_read+0x11/0x20 [ 287.139061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.144599] ? should_fail+0x22d/0xd01 [ 287.148495] ? rcu_bh_qs+0xc0/0xc0 [ 287.152043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.157161] ? __lock_acquire+0x7ec/0x4ec0 [ 287.161412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.166519] ? __lock_acquire+0x7ec/0x4ec0 [ 287.170756] ? should_fail+0x22d/0xd01 [ 287.174648] ? rcu_idle_enter+0x4b0/0x4b0 [ 287.178817] ? mark_held_locks+0x130/0x130 [ 287.183077] ? mark_held_locks+0x130/0x130 [ 287.187318] ? mark_held_locks+0xc7/0x130 [ 287.191477] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 287.196513] ? graph_lock+0x170/0x170 [ 287.200311] ? print_usage_bug+0xc0/0xc0 [ 287.204379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.209917] ? check_preemption_disabled+0x48/0x200 [ 287.214930] ? check_preemption_disabled+0x48/0x200 [ 287.219956] ? __lock_is_held+0xb5/0x140 [ 287.224026] __alloc_pages_nodemask+0xa80/0xde0 [ 287.228702] ? graph_lock+0x170/0x170 [ 287.232523] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.237539] ? graph_lock+0x170/0x170 [ 287.241354] ? find_held_lock+0x36/0x1c0 [ 287.245426] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.250111] ? lock_downgrade+0x900/0x900 [ 287.254271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.259816] cache_grow_begin+0x91/0x8c0 [ 287.263913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.268348] fallback_alloc+0x203/0x2e0 [ 287.272345] ____cache_alloc_node+0x1c7/0x1e0 [ 287.276857] kmem_cache_alloc_node+0xe3/0x730 [ 287.281357] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.285605] __alloc_skb+0x119/0x770 [ 287.289322] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.294603] ? skb_scrub_packet+0x490/0x490 [ 287.298927] ? lock_downgrade+0x900/0x900 [ 287.303085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.308630] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.314086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.319539] ? addrconf_rs_timer+0x690/0x690 [ 287.323963] ndisc_alloc_skb+0x144/0x340 [ 287.328032] ndisc_send_rs+0x331/0x6e0 [ 287.331925] addrconf_rs_timer+0x314/0x690 [ 287.336168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.340418] call_timer_fn+0x272/0x920 [ 287.344318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.348575] ? process_timeout+0x40/0x40 [ 287.352634] ? find_held_lock+0x36/0x1c0 [ 287.356709] ? __run_timers+0x7da/0xc70 [ 287.360696] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.365192] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.369685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.373922] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.378520] ? trace_hardirqs_on+0xbd/0x310 [ 287.382852] ? kasan_check_read+0x11/0x20 [ 287.387004] ? __run_timers+0x7da/0xc70 [ 287.390988] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.396453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.400695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.404932] __run_timers+0x7e5/0xc70 [ 287.408758] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.414138] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.419158] ? graph_lock+0x170/0x170 [ 287.422967] ? enqueue_hrtimer+0x1a5/0x560 [ 287.427199] ? lock_release+0x970/0x970 [ 287.431177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.436385] ? find_held_lock+0x36/0x1c0 [ 287.440457] ? graph_lock+0x170/0x170 [ 287.444267] ? pvclock_read_flags+0x160/0x160 [ 287.448795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.454336] ? check_preemption_disabled+0x48/0x200 [ 287.459363] ? __lock_is_held+0xb5/0x140 [ 287.463427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.468977] ? check_preemption_disabled+0x48/0x200 [ 287.474002] run_timer_softirq+0x52/0xb0 [ 287.478091] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.483126] __do_softirq+0x30b/0xad8 [ 287.486962] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.492074] ? pvclock_read_flags+0x160/0x160 [ 287.496569] ? lapic_next_event+0x5a/0x90 [ 287.500749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.506291] ? check_preemption_disabled+0x48/0x200 [ 287.511310] ? check_preemption_disabled+0x48/0x200 [ 287.516333] ? kvm_clock_read+0x18/0x30 [ 287.520333] ? kvm_sched_clock_read+0x9/0x20 [ 287.524747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.530290] ? check_preemption_disabled+0x48/0x200 [ 287.535317] irq_exit+0x17f/0x1c0 [ 287.538773] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.543619] ? smp_reschedule_interrupt+0x109/0x650 [ 287.548648] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.554531] ? interrupt_entry+0xb5/0xf0 [ 287.558602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.563620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.568646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.573490] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.578508] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.583556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.589116] ? check_preemption_disabled+0x48/0x200 [ 287.594131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.599680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.604531] apic_timer_interrupt+0xf/0x20 [ 287.608776] [ 287.611014] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.615948] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 287.634847] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.642574] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.649839] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 287.657110] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 287.664393] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.671665] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 287.678975] skb_clone+0x1bb/0x500 [ 287.682523] ? finish_task_switch+0x1b5/0x900 [ 287.687118] ? skb_split+0x11e0/0x11e0 [ 287.691013] ? preempt_notifier_register+0x200/0x200 [ 287.696141] ? __switch_to_asm+0x34/0x70 [ 287.700210] ? __switch_to_asm+0x34/0x70 [ 287.704272] ? __switch_to_asm+0x40/0x70 [ 287.708330] ? __switch_to_asm+0x34/0x70 [ 287.712387] ? __switch_to_asm+0x40/0x70 [ 287.716453] ? __switch_to_asm+0x34/0x70 [ 287.720518] ? __switch_to_asm+0x40/0x70 [ 287.724578] ? __switch_to_asm+0x34/0x70 [ 287.728635] ? __switch_to_asm+0x34/0x70 [ 287.732712] ? __switch_to_asm+0x40/0x70 [ 287.736783] ? __switch_to_asm+0x34/0x70 [ 287.740857] bpf_clone_redirect+0xb9/0x490 [ 287.745099] ? __schedule+0x874/0x1ed0 [ 287.748995] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 287.754014] ? __sched_text_start+0x8/0x8 [ 287.758168] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.762943] ? find_held_lock+0x36/0x1c0 [ 287.767017] ? lock_acquire+0x1ed/0x520 [ 287.770998] ? bpf_test_run+0x32e/0x5a0 [ 287.774983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.780531] ? check_preemption_disabled+0x48/0x200 [ 287.785552] ? kasan_check_read+0x11/0x20 [ 287.789705] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.794984] ? rcu_bh_qs+0xc0/0xc0 [ 287.798533] ? preempt_schedule+0x4d/0x60 [ 287.802691] ? ___preempt_schedule+0x16/0x18 [ 287.807119] ? bpf_test_run+0x1c0/0x5a0 [ 287.811116] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.815532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.821075] ? bpf_test_init.isra.9+0x70/0x100 [ 287.825681] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.830471] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.835321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.840860] ? fput+0x130/0x1a0 [ 287.844143] ? __bpf_prog_get+0x9b/0x290 [ 287.848244] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.853104] ? bpf_prog_test_run+0x130/0x1a0 [ 287.857521] ? __x64_sys_bpf+0x3d8/0x510 [ 287.861590] ? bpf_prog_get+0x20/0x20 [ 287.865418] ? do_syscall_64+0x1b9/0x820 [ 287.869491] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.874858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.879807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.884653] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.889674] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.894699] ? prepare_exit_to_usermode+0x291/0x3b0 [ 287.899724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.904584] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.909966] warn_alloc_show_mem: 1 callbacks suppressed [ 287.909978] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 287.909980] Mem-Info: [ 287.910010] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 287.910010] active_file:13 inactive_file:14 isolated_file:0 [ 287.910010] unevictable:0 dirty:0 writeback:0 unstable:0 [ 287.910010] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 287.910010] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 287.910010] free:13777 free_pcp:213 free_cma:0 [ 287.915359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.922122] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 287.924522] Call Trace: [ 287.957391] Node 0 [ 287.966765] dump_stack+0x1c4/0x2b4 [ 287.994266] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 287.996824] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.999041] lowmem_reserve[]: [ 288.002672] warn_alloc.cold.119+0xb7/0x1bd [ 288.028164] 0 2819 [ 288.033389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.036470] 6323 6323 [ 288.040801] ? lock_downgrade+0x900/0x900 [ 288.047866] ? trace_hardirqs_off+0xb8/0x310 [ 288.050335] Node 0 [ 288.054485] ? trace_hardirqs_off+0xb8/0x310 [ 288.058895] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 288.061114] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.065516] lowmem_reserve[]: [ 288.092527] ? warn_alloc+0x120/0x120 [ 288.097329] 0 [ 288.100454] ? warn_alloc+0x120/0x120 [ 288.104229] 0 [ 288.106035] ? print_usage_bug+0xc0/0xc0 [ 288.109807] 3503 3503 [ 288.111630] ? warn_alloc+0x120/0x120 [ 288.118188] ? print_usage_bug+0xc0/0xc0 [ 288.121967] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 288.126056] ? __lock_acquire+0x7ec/0x4ec0 [ 288.126072] ? __lock_acquire+0x7ec/0x4ec0 [ 288.154946] lowmem_reserve[]: 0 [ 288.159202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.163407] 0 [ 288.166684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.172195] 0 0 [ 288.174027] ? should_fail+0x22d/0xd01 [ 288.181512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.185377] Node 0 [ 288.190481] ? __lock_acquire+0x7ec/0x4ec0 [ 288.190484] DMA: 1*4kB [ 288.192728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.196941] (U) [ 288.199525] ? __lock_acquire+0x7ec/0x4ec0 [ 288.204610] 0*8kB [ 288.206584] ? should_fail+0x22d/0xd01 [ 288.210814] 0*16kB [ 288.212969] ? mark_held_locks+0x130/0x130 [ 288.216875] 1*32kB [ 288.219111] ? mark_held_locks+0x130/0x130 [ 288.223336] (U) 2*64kB [ 288.225582] ? mark_held_locks+0xc7/0x130 [ 288.229802] (U) [ 288.232389] ? print_usage_bug+0xc0/0xc0 [ 288.236513] 1*128kB (U) [ 288.238524] ? graph_lock+0x170/0x170 [ 288.242580] 1*256kB [ 288.245247] ? print_usage_bug+0xc0/0xc0 [ 288.249030] (U) [ 288.251351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.255401] 0*512kB 1*1024kB [ 288.257415] ? check_preemption_disabled+0x48/0x200 [ 288.262929] (U) [ 288.266033] ? check_preemption_disabled+0x48/0x200 [ 288.271029] 1*2048kB [ 288.273008] ? __lock_is_held+0xb5/0x140 [ 288.277998] (M) [ 288.280408] __alloc_pages_nodemask+0xa80/0xde0 [ 288.284454] 3*4096kB [ 288.286428] ? graph_lock+0x170/0x170 [ 288.291087] (M) [ 288.293500] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.297284] = 15908kB [ 288.299259] ? graph_lock+0x170/0x170 [ 288.299284] ? find_held_lock+0x36/0x1c0 [ 288.304271] Node 0 [ 288.306684] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.310463] DMA32: [ 288.314523] ? lock_downgrade+0x900/0x900 [ 288.316742] 4*4kB (M) [ 288.321423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.323631] 1*8kB (U) 3*16kB [ 288.327831] cache_grow_begin+0x91/0x8c0 [ 288.330298] (UM) [ 288.335836] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.338922] 3*32kB [ 288.343010] fallback_alloc+0x203/0x2e0 [ 288.345064] (UM) [ 288.349493] ____cache_alloc_node+0x1c7/0x1e0 [ 288.351704] 5*64kB [ 288.355678] kmem_cache_alloc_node+0xe3/0x730 [ 288.357717] (UM) [ 288.362218] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.364425] 3*128kB (M) [ 288.368953] __alloc_skb+0x119/0x770 [ 288.370995] 3*256kB [ 288.375228] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.377882] (M) [ 288.381603] ? skb_scrub_packet+0x490/0x490 [ 288.383898] 4*512kB (UM) [ 288.389197] ? lock_downgrade+0x900/0x900 [ 288.391154] 3*1024kB [ 288.395507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.398242] (UM) [ 288.402381] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.404763] 1*2048kB (M) [ 288.410317] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.412355] 4*4096kB (M) [ 288.417812] ? addrconf_rs_timer+0x690/0x690 [ 288.420544] = 25192kB [ 288.420553] Node 0 [ 288.426041] ndisc_alloc_skb+0x144/0x340 [ 288.428755] Normal: [ 288.433212] ndisc_send_rs+0x331/0x6e0 [ 288.435600] 824*4kB [ 288.437839] addrconf_rs_timer+0x314/0x690 [ 288.441880] (MEH) [ 288.444207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.448078] 371*8kB [ 288.450417] call_timer_fn+0x272/0x920 [ 288.454701] (ME) 164*16kB [ 288.456868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.461082] (ME) [ 288.463406] ? process_timeout+0x40/0x40 [ 288.467272] 69*32kB [ 288.470140] ? find_held_lock+0x36/0x1c0 [ 288.474354] (UMEH) [ 288.476414] ? __run_timers+0x7da/0xc70 [ 288.480468] 28*64kB [ 288.482786] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.486819] (M) 1*128kB [ 288.489060] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.493012] (M) [ 288.495332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.499799] 0*256kB 0*512kB [ 288.502487] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.506959] 1*1024kB (H) [ 288.508971] ? trace_hardirqs_on+0xbd/0x310 [ 288.513184] 0*2048kB [ 288.516213] ? kasan_check_read+0x11/0x20 [ 288.520784] 0*4096kB [ 288.523541] ? __run_timers+0x7da/0xc70 [ 288.527856] = 14040kB [ 288.530265] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.534395] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.536797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.540767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.543169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.548604] 146 total pagecache pages [ 288.557434] __run_timers+0x7e5/0xc70 [ 288.561660] 0 pages in swap cache [ 288.570228] ? find_held_lock+0x36/0x1c0 [ 288.574454] Swap cache stats: add 0, delete 0, find 0/0 [ 288.574464] Free swap = 0kB [ 288.578274] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.582057] Total swap = 0kB [ 288.585522] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.589573] 1965979 pages RAM [ 288.594958] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.597957] 0 pages HighMem/MovableOnly [ 288.597967] 342307 pages reserved [ 288.603329] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.606331] 0 pages cma reserved [ 288.610821] ? trace_hardirqs_on+0xbd/0x310 [ 288.613974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.618390] ? kasan_check_read+0x11/0x20 [ 288.618406] ? finish_task_switch+0x1f5/0x900 [ 288.618421] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.618437] ? compat_start_thread+0x80/0x80 [ 288.622468] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.625881] ? pvclock_read_flags+0x160/0x160 [ 288.630432] syz-executor3 cpuset= [ 288.633817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.638113] syz3 [ 288.644605] ? check_preemption_disabled+0x48/0x200 [ 288.648740] mems_allowed=0 [ 288.653256] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 288.702434] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.707745] ? rcu_pm_notify+0xc0/0xc0 [ 288.711639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.717192] ? check_preemption_disabled+0x48/0x200 [ 288.722218] run_timer_softirq+0x52/0xb0 [ 288.726279] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.731301] __do_softirq+0x30b/0xad8 [ 288.735117] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.740225] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.745002] ? schedule+0x108/0x460 [ 288.748643] ? trace_hardirqs_off+0xb8/0x310 [ 288.753055] ? smpboot_thread_fn+0x68b/0xa00 [ 288.757468] ? trace_hardirqs_on+0x310/0x310 [ 288.761881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.767422] ? check_preemption_disabled+0x48/0x200 [ 288.772460] ? takeover_tasklets+0xa90/0xa90 [ 288.776890] run_ksoftirqd+0x94/0x100 [ 288.780690] smpboot_thread_fn+0x68b/0xa00 [ 288.784959] ? sort_range+0x30/0x30 [ 288.788592] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.793698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.799287] ? __kthread_parkme+0xfb/0x1a0 [ 288.803530] kthread+0x35a/0x420 [ 288.806907] ? sort_range+0x30/0x30 [ 288.810547] ? kthread_bind+0x40/0x40 [ 288.814350] ret_from_fork+0x3a/0x50 [ 288.818083] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 288.818156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.825277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.825286] Call Trace: [ 288.831878] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.841134] [ 288.843710] ksoftirqd/0 cpuset= [ 288.854022] dump_stack+0x1c4/0x2b4 [ 288.856149] / [ 288.859428] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.863033] mems_allowed=0 [ 288.864759] warn_alloc.cold.119+0xb7/0x1bd [ 288.877174] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.882022] ? lock_downgrade+0x900/0x900 [ 288.886180] ? trace_hardirqs_off+0xb8/0x310 [ 288.890591] ? trace_hardirqs_off+0xb8/0x310 [ 288.895041] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.899920] ? warn_alloc+0x120/0x120 [ 288.903730] ? warn_alloc+0x120/0x120 [ 288.907540] ? print_usage_bug+0xc0/0xc0 [ 288.911606] ? warn_alloc+0x120/0x120 [ 288.915412] ? print_usage_bug+0xc0/0xc0 [ 288.919488] ? __lock_acquire+0x7ec/0x4ec0 [ 288.923727] ? __lock_acquire+0x7ec/0x4ec0 [ 288.927964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.933503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.939040] ? should_fail+0x22d/0xd01 [ 288.942934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.948053] ? __lock_acquire+0x7ec/0x4ec0 [ 288.952294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.957398] ? __lock_acquire+0x7ec/0x4ec0 [ 288.961634] ? should_fail+0x22d/0xd01 [ 288.965536] ? mark_held_locks+0x130/0x130 [ 288.969805] ? mark_held_locks+0x130/0x130 [ 288.974053] ? graph_lock+0x170/0x170 [ 288.977855] ? print_usage_bug+0xc0/0xc0 [ 288.981918] ? graph_lock+0x170/0x170 [ 288.985719] ? print_usage_bug+0xc0/0xc0 [ 288.989795] ? wq_watchdog_touch+0x9c/0xfe [ 288.994034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.999578] ? check_preemption_disabled+0x48/0x200 [ 289.004610] ? check_preemption_disabled+0x48/0x200 [ 289.009646] ? __lock_is_held+0xb5/0x140 [ 289.013720] __alloc_pages_nodemask+0xa80/0xde0 [ 289.018388] ? graph_lock+0x170/0x170 [ 289.022205] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.027230] ? graph_lock+0x170/0x170 [ 289.031050] ? find_held_lock+0x36/0x1c0 [ 289.035123] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.039798] ? lock_downgrade+0x900/0x900 [ 289.043958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.049514] cache_grow_begin+0x91/0x8c0 [ 289.053590] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.058007] fallback_alloc+0x203/0x2e0 [ 289.061994] ____cache_alloc_node+0x1c7/0x1e0 [ 289.066496] kmem_cache_alloc_node+0xe3/0x730 [ 289.070996] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.075248] __alloc_skb+0x119/0x770 [ 289.078965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.084253] ? skb_scrub_packet+0x490/0x490 [ 289.088609] ? lock_downgrade+0x900/0x900 [ 289.092764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.098331] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.103790] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.109249] ? addrconf_rs_timer+0x690/0x690 [ 289.113674] ndisc_alloc_skb+0x144/0x340 [ 289.117757] ndisc_send_rs+0x331/0x6e0 [ 289.121656] addrconf_rs_timer+0x314/0x690 [ 289.125900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.130148] call_timer_fn+0x272/0x920 [ 289.134039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.138304] ? process_timeout+0x40/0x40 [ 289.142390] ? find_held_lock+0x36/0x1c0 [ 289.146470] ? __run_timers+0x7da/0xc70 [ 289.150459] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.154957] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.159459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.163716] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.168327] ? trace_hardirqs_on+0xbd/0x310 [ 289.172650] ? kasan_check_read+0x11/0x20 [ 289.176796] ? __run_timers+0x7da/0xc70 [ 289.180775] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.186232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.190489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.194725] __run_timers+0x7e5/0xc70 [ 289.198548] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.203918] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.208943] ? graph_lock+0x170/0x170 [ 289.212750] ? enqueue_hrtimer+0x1a5/0x560 [ 289.217002] ? lock_release+0x970/0x970 [ 289.220982] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.226184] ? find_held_lock+0x36/0x1c0 [ 289.230287] ? graph_lock+0x170/0x170 [ 289.234093] ? pvclock_read_flags+0x160/0x160 [ 289.238594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.244152] ? check_preemption_disabled+0x48/0x200 [ 289.249182] ? __lock_is_held+0xb5/0x140 [ 289.253260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.258857] ? check_preemption_disabled+0x48/0x200 [ 289.263891] run_timer_softirq+0x52/0xb0 [ 289.267957] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.272980] __do_softirq+0x30b/0xad8 [ 289.276808] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.281929] ? pvclock_read_flags+0x160/0x160 [ 289.286425] ? lapic_next_event+0x5a/0x90 [ 289.290585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.296149] ? check_preemption_disabled+0x48/0x200 [ 289.301169] ? check_preemption_disabled+0x48/0x200 [ 289.306206] ? kvm_clock_read+0x18/0x30 [ 289.310186] ? kvm_sched_clock_read+0x9/0x20 [ 289.314601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.320139] ? check_preemption_disabled+0x48/0x200 [ 289.325173] irq_exit+0x17f/0x1c0 [ 289.328646] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.333492] ? smp_reschedule_interrupt+0x109/0x650 [ 289.338538] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.344423] ? interrupt_entry+0xb5/0xf0 [ 289.348499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.353515] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.358550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.363393] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.368435] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.373472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.379020] ? check_preemption_disabled+0x48/0x200 [ 289.384036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.389585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.394441] apic_timer_interrupt+0xf/0x20 [ 289.398681] [ 289.400922] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.405852] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 289.424751] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.432473] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.439742] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 289.447014] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 289.454290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.461579] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 289.468902] skb_clone+0x1bb/0x500 [ 289.472456] ? finish_task_switch+0x1b5/0x900 [ 289.476956] ? skb_split+0x11e0/0x11e0 [ 289.480852] ? preempt_notifier_register+0x200/0x200 [ 289.485959] ? __switch_to_asm+0x34/0x70 [ 289.490023] ? __switch_to_asm+0x34/0x70 [ 289.494081] ? __switch_to_asm+0x40/0x70 [ 289.498141] ? __switch_to_asm+0x34/0x70 [ 289.502208] ? __switch_to_asm+0x40/0x70 [ 289.506300] ? __switch_to_asm+0x34/0x70 [ 289.510371] ? __switch_to_asm+0x40/0x70 [ 289.514429] ? __switch_to_asm+0x34/0x70 [ 289.518526] ? __switch_to_asm+0x34/0x70 [ 289.522586] ? __switch_to_asm+0x40/0x70 [ 289.526677] ? __switch_to_asm+0x34/0x70 [ 289.530761] bpf_clone_redirect+0xb9/0x490 [ 289.535000] ? __schedule+0x874/0x1ed0 [ 289.538912] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 289.543932] ? __sched_text_start+0x8/0x8 [ 289.548081] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.552850] ? find_held_lock+0x36/0x1c0 [ 289.556926] ? lock_acquire+0x1ed/0x520 [ 289.560913] ? bpf_test_run+0x32e/0x5a0 [ 289.564902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.570457] ? check_preemption_disabled+0x48/0x200 [ 289.575497] ? kasan_check_read+0x11/0x20 [ 289.579664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.584955] ? rcu_bh_qs+0xc0/0xc0 [ 289.588502] ? preempt_schedule+0x4d/0x60 [ 289.592651] ? ___preempt_schedule+0x16/0x18 [ 289.597080] ? bpf_test_run+0x1c0/0x5a0 [ 289.601106] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.605549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.611096] ? bpf_test_init.isra.9+0x70/0x100 [ 289.615684] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.620459] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.625303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.630842] ? fput+0x130/0x1a0 [ 289.634123] ? __bpf_prog_get+0x9b/0x290 [ 289.638189] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.643041] ? bpf_prog_test_run+0x130/0x1a0 [ 289.647474] ? __x64_sys_bpf+0x3d8/0x510 [ 289.651535] ? bpf_prog_get+0x20/0x20 [ 289.655367] ? do_syscall_64+0x1b9/0x820 [ 289.659464] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.664835] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.669769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.674616] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.679633] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.684651] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.689853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.694713] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.700113] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 289.700119] warn_alloc_show_mem: 1 callbacks suppressed [ 289.700126] Mem-Info: [ 289.706902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.712292] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 289.712292] active_file:13 inactive_file:14 isolated_file:0 [ 289.712292] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.712292] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 289.712292] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 289.712292] free:13777 free_pcp:213 free_cma:0 [ 289.714668] Call Trace: [ 289.724061] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 289.756931] dump_stack+0x1c4/0x2b4 [ 289.759493] Node 0 [ 289.786987] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.790617] 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 [ 289.792883] warn_alloc.cold.119+0xb7/0x1bd [ 289.798055] lowmem_reserve[]: [ 289.823553] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.827844] 0 2819 [ 289.830958] ? lock_downgrade+0x900/0x900 [ 289.835771] 6323 6323 [ 289.838022] ? trace_hardirqs_off+0xb8/0x310 [ 289.844643] ? trace_hardirqs_off+0xb8/0x310 [ 289.849028] Node 0 DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.853694] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.853744] ? warn_alloc+0x120/0x120 [ 289.881285] lowmem_reserve[]: 0 [ 289.886143] ? warn_alloc+0x120/0x120 [ 289.889921] 0 [ 289.893196] ? print_usage_bug+0xc0/0xc0 [ 289.896984] 3503 [ 289.898788] ? warn_alloc+0x120/0x120 [ 289.902827] 3503 [ 289.904895] ? print_usage_bug+0xc0/0xc0 [ 289.908706] Node 0 [ 289.910786] ? __lock_acquire+0x7ec/0x4ec0 [ 289.914858] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 289.917063] ? __lock_acquire+0x7ec/0x4ec0 [ 289.921270] lowmem_reserve[]: 0 [ 289.949561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.953773] 0 [ 289.957046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.962557] 0 0 [ 289.964379] ? should_fail+0x22d/0xd01 [ 289.971880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.975761] Node 0 [ 289.980858] ? __lock_acquire+0x7ec/0x4ec0 [ 289.980861] DMA: 1*4kB [ 289.983099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.987315] (U) [ 289.989902] ? __lock_acquire+0x7ec/0x4ec0 [ 289.994982] 0*8kB [ 289.996953] ? should_fail+0x22d/0xd01 [ 290.001191] 0*16kB [ 290.003383] ? mark_held_locks+0x130/0x130 [ 290.007255] 1*32kB [ 290.009490] ? mark_held_locks+0x130/0x130 [ 290.013704] (U) [ 290.015938] ? mark_held_locks+0xc7/0x130 [ 290.020150] 2*64kB [ 290.022121] ? print_usage_bug+0xc0/0xc0 [ 290.026244] (U) [ 290.028519] ? graph_lock+0x170/0x170 [ 290.032555] 1*128kB [ 290.034530] ? print_usage_bug+0xc0/0xc0 [ 290.038313] (U) [ 290.040638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.044680] 1*256kB [ 290.046677] ? check_preemption_disabled+0x48/0x200 [ 290.052191] (U) [ 290.054522] ? check_preemption_disabled+0x48/0x200 [ 290.059511] 0*512kB [ 290.061512] ? __lock_is_held+0xb5/0x140 [ 290.066491] 1*1024kB [ 290.068828] __alloc_pages_nodemask+0xa80/0xde0 [ 290.072874] (U) [ 290.075280] ? graph_lock+0x170/0x170 [ 290.079937] 1*2048kB (M) [ 290.081930] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.085708] 3*4096kB [ 290.088465] ? graph_lock+0x170/0x170 [ 290.088491] ? find_held_lock+0x36/0x1c0 [ 290.093478] (M) [ 290.095914] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.099687] = 15908kB [ 290.103746] ? lock_downgrade+0x900/0x900 [ 290.105693] Node 0 [ 290.110368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.112766] DMA32: [ 290.116916] cache_grow_begin+0x91/0x8c0 [ 290.119135] 4*4kB [ 290.124665] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.126879] (M) [ 290.130943] fallback_alloc+0x203/0x2e0 [ 290.133068] 1*8kB (U) [ 290.137495] ____cache_alloc_node+0x1c7/0x1e0 [ 290.139472] 3*16kB [ 290.143441] kmem_cache_alloc_node+0xe3/0x730 [ 290.145926] (UM) [ 290.150421] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.152640] 3*32kB [ 290.157137] __alloc_skb+0x119/0x770 [ 290.159173] (UM) [ 290.163415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.165628] 5*64kB [ 290.169336] ? skb_scrub_packet+0x490/0x490 [ 290.171454] (UM) [ 290.176727] ? lock_downgrade+0x900/0x900 [ 290.178952] 3*128kB [ 290.183274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.185322] (M) [ 290.189472] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.191792] 3*256kB [ 290.197353] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.199310] (M) [ 290.204762] ? addrconf_rs_timer+0x690/0x690 [ 290.207074] 4*512kB [ 290.212538] ndisc_alloc_skb+0x144/0x340 [ 290.214487] (UM) [ 290.218896] ndisc_send_rs+0x331/0x6e0 [ 290.221198] 3*1024kB [ 290.225263] addrconf_rs_timer+0x314/0x690 [ 290.227312] (UM) [ 290.231202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.233593] 1*2048kB (M) [ 290.237843] call_timer_fn+0x272/0x920 [ 290.239880] 4*4096kB [ 290.244110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.246850] (M) [ 290.250750] ? process_timeout+0x40/0x40 [ 290.253124] = 25192kB [ 290.257356] ? find_held_lock+0x36/0x1c0 [ 290.259311] Node 0 [ 290.263376] ? __run_timers+0x7da/0xc70 [ 290.265760] Normal: [ 290.269818] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.272030] 824*4kB [ 290.275995] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.278298] (MEH) [ 290.282797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.285095] 371*8kB [ 290.289586] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.291713] (ME) [ 290.295961] ? trace_hardirqs_on+0xbd/0x310 [ 290.298265] 164*16kB [ 290.302839] ? kasan_check_read+0x11/0x20 [ 290.304882] (ME) [ 290.309196] ? __run_timers+0x7da/0xc70 [ 290.311586] 69*32kB [ 290.315728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.317778] (UMEH) [ 290.321758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.324072] 28*64kB [ 290.329527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.331737] (M) 1*128kB (M) [ 290.335989] __run_timers+0x7e5/0xc70 [ 290.338290] 0*256kB [ 290.342527] ? find_held_lock+0x36/0x1c0 [ 290.345525] 0*512kB [ 290.349323] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.351620] 1*1024kB [ 290.355676] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.357984] (H) [ 290.363369] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.365764] 0*2048kB [ 290.370257] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.372210] 0*4096kB [ 290.376697] ? trace_hardirqs_on+0xbd/0x310 [ 290.379100] = 14040kB [ 290.383679] ? kasan_check_read+0x11/0x20 [ 290.386079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.390394] ? finish_task_switch+0x1f5/0x900 [ 290.392789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.396930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.405745] 146 total pagecache pages [ 290.405761] 0 pages in swap cache [ 290.410256] ? compat_start_thread+0x80/0x80 [ 290.418835] Swap cache stats: add 0, delete 0, find 0/0 [ 290.424290] ? pvclock_read_flags+0x160/0x160 [ 290.428074] Free swap = 0kB [ 290.431524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.435912] Total swap = 0kB [ 290.441273] ? check_preemption_disabled+0x48/0x200 [ 290.445749] 1965979 pages RAM [ 290.448772] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 290.454288] 0 pages HighMem/MovableOnly [ 290.457306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.462300] 342307 pages reserved [ 290.465398] ? rcu_pm_notify+0xc0/0xc0 [ 290.470912] 0 pages cma reserved [ 290.474883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.480200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.483607] ? check_preemption_disabled+0x48/0x200 [ 290.487563] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.490844] run_timer_softirq+0x52/0xb0 [ 290.496360] syz-executor3 cpuset= [ 290.502848] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.507849] syz3 [ 290.518330] __do_softirq+0x30b/0xad8 [ 290.522371] mems_allowed=0 [ 290.525828] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.544631] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.549395] ? schedule+0x108/0x460 [ 290.553033] ? trace_hardirqs_off+0xb8/0x310 [ 290.557454] ? smpboot_thread_fn+0x68b/0xa00 [ 290.561868] ? trace_hardirqs_on+0x310/0x310 [ 290.566276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.571816] ? check_preemption_disabled+0x48/0x200 [ 290.576853] ? takeover_tasklets+0xa90/0xa90 [ 290.581269] run_ksoftirqd+0x94/0x100 [ 290.585080] smpboot_thread_fn+0x68b/0xa00 [ 290.589333] ? sort_range+0x30/0x30 [ 290.592963] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.598065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.603634] ? __kthread_parkme+0xfb/0x1a0 [ 290.607877] kthread+0x35a/0x420 [ 290.611240] ? sort_range+0x30/0x30 [ 290.614884] ? kthread_bind+0x40/0x40 [ 290.618688] ret_from_fork+0x3a/0x50 [ 290.622439] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 290.622506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.629638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.629644] Call Trace: [ 290.629650] [ 290.629669] dump_stack+0x1c4/0x2b4 [ 290.629689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.636205] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.645527] warn_alloc.cold.119+0xb7/0x1bd [ 290.648085] ksoftirqd/0 cpuset= [ 290.650256] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.653859] / [ 290.659059] ? lock_downgrade+0x900/0x900 [ 290.669386] mems_allowed=0 [ 290.673704] ? trace_hardirqs_off+0xb8/0x310 [ 290.694952] ? trace_hardirqs_off+0xb8/0x310 [ 290.699372] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.704251] ? warn_alloc+0x120/0x120 [ 290.708054] ? trace_hardirqs_on+0x310/0x310 [ 290.712475] ? warn_alloc+0x120/0x120 [ 290.716294] ? print_usage_bug+0xc0/0xc0 [ 290.720363] ? warn_alloc+0x120/0x120 [ 290.724164] ? ktime_get+0x2e1/0x440 [ 290.727910] ? print_usage_bug+0xc0/0xc0 [ 290.731975] ? __lock_acquire+0x7ec/0x4ec0 [ 290.736213] ? __lock_acquire+0x7ec/0x4ec0 [ 290.740482] ? kasan_check_read+0x11/0x20 [ 290.744639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.750179] ? should_fail+0x22d/0xd01 [ 290.754070] ? rcu_bh_qs+0xc0/0xc0 [ 290.757616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.762722] ? __lock_acquire+0x7ec/0x4ec0 [ 290.766965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.772070] ? __lock_acquire+0x7ec/0x4ec0 [ 290.776308] ? should_fail+0x22d/0xd01 [ 290.780196] ? rcu_idle_enter+0x4b0/0x4b0 [ 290.784357] ? mark_held_locks+0x130/0x130 [ 290.788598] ? mark_held_locks+0x130/0x130 [ 290.792844] ? mark_held_locks+0xc7/0x130 [ 290.797516] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 290.802562] ? graph_lock+0x170/0x170 [ 290.806363] ? print_usage_bug+0xc0/0xc0 [ 290.810430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.815978] ? check_preemption_disabled+0x48/0x200 [ 290.820998] ? check_preemption_disabled+0x48/0x200 [ 290.826027] ? __lock_is_held+0xb5/0x140 [ 290.830098] __alloc_pages_nodemask+0xa80/0xde0 [ 290.834769] ? graph_lock+0x170/0x170 [ 290.838581] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.843599] ? graph_lock+0x170/0x170 [ 290.847412] ? find_held_lock+0x36/0x1c0 [ 290.851510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.856208] ? lock_downgrade+0x900/0x900 [ 290.860380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.865928] cache_grow_begin+0x91/0x8c0 [ 290.869992] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.874413] fallback_alloc+0x203/0x2e0 [ 290.878405] ____cache_alloc_node+0x1c7/0x1e0 [ 290.882908] kmem_cache_alloc_node+0xe3/0x730 [ 290.887412] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.891668] __alloc_skb+0x119/0x770 [ 290.895382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.900674] ? skb_scrub_packet+0x490/0x490 [ 290.904995] ? lock_downgrade+0x900/0x900 [ 290.909154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.914696] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.920150] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.925630] ? addrconf_rs_timer+0x690/0x690 [ 290.930066] ndisc_alloc_skb+0x144/0x340 [ 290.934143] ndisc_send_rs+0x331/0x6e0 [ 290.938052] addrconf_rs_timer+0x314/0x690 [ 290.942329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.946580] call_timer_fn+0x272/0x920 [ 290.950500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.954739] ? process_timeout+0x40/0x40 [ 290.958799] ? find_held_lock+0x36/0x1c0 [ 290.962871] ? __run_timers+0x7da/0xc70 [ 290.966852] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.971364] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.975858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.980093] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.984694] ? trace_hardirqs_on+0xbd/0x310 [ 290.989031] ? kasan_check_read+0x11/0x20 [ 290.993185] ? __run_timers+0x7da/0xc70 [ 290.997165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.002622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.006866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.011099] __run_timers+0x7e5/0xc70 [ 291.014923] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.020290] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.025305] ? graph_lock+0x170/0x170 [ 291.029121] ? enqueue_hrtimer+0x1a5/0x560 [ 291.033354] ? lock_release+0x970/0x970 [ 291.037329] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.042528] ? find_held_lock+0x36/0x1c0 [ 291.046594] ? graph_lock+0x170/0x170 [ 291.050400] ? pvclock_read_flags+0x160/0x160 [ 291.054900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.060445] ? check_preemption_disabled+0x48/0x200 [ 291.065505] ? __lock_is_held+0xb5/0x140 [ 291.069569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.075108] ? check_preemption_disabled+0x48/0x200 [ 291.080135] run_timer_softirq+0x52/0xb0 [ 291.084211] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.089233] __do_softirq+0x30b/0xad8 [ 291.093050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.098161] ? pvclock_read_flags+0x160/0x160 [ 291.102672] ? lapic_next_event+0x5a/0x90 [ 291.106820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.112358] ? check_preemption_disabled+0x48/0x200 [ 291.117374] ? check_preemption_disabled+0x48/0x200 [ 291.122399] ? kvm_clock_read+0x18/0x30 [ 291.126375] ? kvm_sched_clock_read+0x9/0x20 [ 291.130790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.136329] ? check_preemption_disabled+0x48/0x200 [ 291.141360] irq_exit+0x17f/0x1c0 [ 291.144816] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.149658] ? smp_reschedule_interrupt+0x109/0x650 [ 291.154690] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.160574] ? interrupt_entry+0xb5/0xf0 [ 291.164643] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.169675] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.174706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.179567] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.184582] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.189612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.195155] ? check_preemption_disabled+0x48/0x200 [ 291.200169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.205718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.210575] apic_timer_interrupt+0xf/0x20 [ 291.214806] [ 291.217048] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.221979] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 291.240876] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.248609] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.255910] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 291.263179] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 291.270454] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 291.277741] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 291.285051] skb_clone+0x1bb/0x500 [ 291.288606] ? finish_task_switch+0x1b5/0x900 [ 291.293106] ? skb_split+0x11e0/0x11e0 [ 291.297012] ? preempt_notifier_register+0x200/0x200 [ 291.302118] ? __switch_to_asm+0x34/0x70 [ 291.306191] ? __switch_to_asm+0x34/0x70 [ 291.310274] ? __switch_to_asm+0x40/0x70 [ 291.314337] ? __switch_to_asm+0x34/0x70 [ 291.318397] ? __switch_to_asm+0x40/0x70 [ 291.322467] ? __switch_to_asm+0x34/0x70 [ 291.326533] ? __switch_to_asm+0x40/0x70 [ 291.330598] ? __switch_to_asm+0x34/0x70 [ 291.334664] ? __switch_to_asm+0x34/0x70 [ 291.338727] ? __switch_to_asm+0x40/0x70 [ 291.342792] ? __switch_to_asm+0x34/0x70 [ 291.346869] bpf_clone_redirect+0xb9/0x490 [ 291.351153] ? __schedule+0x874/0x1ed0 [ 291.355052] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 291.360074] ? __sched_text_start+0x8/0x8 [ 291.364250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.369021] ? find_held_lock+0x36/0x1c0 [ 291.373101] ? lock_acquire+0x1ed/0x520 [ 291.377076] ? bpf_test_run+0x32e/0x5a0 [ 291.381052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.386593] ? check_preemption_disabled+0x48/0x200 [ 291.391618] ? kasan_check_read+0x11/0x20 [ 291.395774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.401055] ? rcu_bh_qs+0xc0/0xc0 [ 291.404615] ? preempt_schedule+0x4d/0x60 [ 291.408762] ? ___preempt_schedule+0x16/0x18 [ 291.413190] ? bpf_test_run+0x1c0/0x5a0 [ 291.417174] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.421590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.427153] ? bpf_test_init.isra.9+0x70/0x100 [ 291.431741] ? bpf_prog_test_run_skb+0x634/0xb40 [ 291.436534] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.441391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.446929] ? fput+0x130/0x1a0 [ 291.450216] ? __bpf_prog_get+0x9b/0x290 [ 291.454289] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.459137] ? bpf_prog_test_run+0x130/0x1a0 [ 291.463562] ? __x64_sys_bpf+0x3d8/0x510 [ 291.467625] ? bpf_prog_get+0x20/0x20 [ 291.471473] ? do_syscall_64+0x1b9/0x820 [ 291.475539] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 291.480908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.485864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.490710] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.495732] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 291.500752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.505777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.510633] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.516015] warn_alloc_show_mem: 1 callbacks suppressed [ 291.516027] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 291.516029] Mem-Info: [ 291.516060] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 291.516060] active_file:13 inactive_file:14 isolated_file:0 [ 291.516060] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.516060] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 291.516060] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 291.516060] free:13777 free_pcp:213 free_cma:0 [ 291.521401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.521411] Call Trace: [ 291.528172] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.530595] dump_stack+0x1c4/0x2b4 [ 291.563562] Node 0 [ 291.572928] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.575512] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.603012] warn_alloc.cold.119+0xb7/0x1bd [ 291.606605] lowmem_reserve[]: 0 [ 291.608860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.614027] 2819 [ 291.639530] ? lock_downgrade+0x900/0x900 [ 291.643833] 6323 [ 291.647120] ? trace_hardirqs_off+0xb8/0x310 [ 291.651985] 6323 [ 291.654063] ? trace_hardirqs_off+0xb8/0x310 [ 291.660259] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.664644] Node 0 [ 291.666751] ? warn_alloc+0x120/0x120 [ 291.671135] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 291.675952] ? warn_alloc+0x120/0x120 [ 291.678159] lowmem_reserve[]: 0 [ 291.681980] ? print_usage_bug+0xc0/0xc0 [ 291.709065] 0 3503 [ 291.712873] ? warn_alloc+0x120/0x120 [ 291.716126] 3503 [ 291.720203] ? print_usage_bug+0xc0/0xc0 [ 291.722429] Node 0 [ 291.726230] ? __lock_acquire+0x7ec/0x4ec0 [ 291.728299] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 291.732330] ? __lock_acquire+0x7ec/0x4ec0 [ 291.734554] lowmem_reserve[]: 0 [ 291.738798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.767053] 0 [ 291.771287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.774536] 0 0 [ 291.780093] ? should_fail+0x22d/0xd01 [ 291.781878] Node 0 [ 291.787424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.789387] DMA: 1*4kB [ 291.793282] ? __lock_acquire+0x7ec/0x4ec0 [ 291.795498] (U) [ 291.800601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.803167] 0*8kB [ 291.807412] ? __lock_acquire+0x7ec/0x4ec0 [ 291.809369] 0*16kB [ 291.814473] ? should_fail+0x22d/0xd01 [ 291.816619] 1*32kB [ 291.820879] ? mark_held_locks+0x130/0x130 [ 291.823095] (U) [ 291.826986] ? mark_held_locks+0x130/0x130 [ 291.829208] 2*64kB (U) [ 291.833471] ? graph_lock+0x170/0x170 [ 291.835443] 1*128kB [ 291.839677] ? print_usage_bug+0xc0/0xc0 [ 291.842244] (U) [ 291.846034] ? graph_lock+0x170/0x170 [ 291.848342] 1*256kB [ 291.852397] ? print_usage_bug+0xc0/0xc0 [ 291.854352] (U) [ 291.858145] ? wq_watchdog_touch+0x9c/0xfe [ 291.860444] 0*512kB [ 291.864506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.866465] 1*1024kB [ 291.870697] ? check_preemption_disabled+0x48/0x200 [ 291.872996] (U) [ 291.878538] ? check_preemption_disabled+0x48/0x200 [ 291.880921] 1*2048kB (M) [ 291.885959] ? __lock_is_held+0xb5/0x140 [ 291.887906] 3*4096kB (M) [ 291.892927] __alloc_pages_nodemask+0xa80/0xde0 [ 291.895669] = 15908kB [ 291.899723] ? graph_lock+0x170/0x170 [ 291.902463] Node 0 [ 291.907129] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.909527] DMA32: [ 291.913418] ? graph_lock+0x170/0x170 [ 291.915635] 4*4kB [ 291.920668] ? find_held_lock+0x36/0x1c0 [ 291.922883] (M) [ 291.926714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.928842] 1*8kB [ 291.932899] ? lock_downgrade+0x900/0x900 [ 291.934856] (U) [ 291.939522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.941661] 3*16kB [ 291.945805] cache_grow_begin+0x91/0x8c0 [ 291.947760] (UM) [ 291.953291] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.955507] 3*32kB [ 291.959564] fallback_alloc+0x203/0x2e0 [ 291.961613] (UM) [ 291.966015] ____cache_alloc_node+0x1c7/0x1e0 [ 291.968246] 5*64kB [ 291.972209] kmem_cache_alloc_node+0xe3/0x730 [ 291.974252] (UM) [ 291.978746] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.980953] 3*128kB [ 291.985492] __alloc_skb+0x119/0x770 [ 291.987535] (M) [ 291.991813] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.994142] 3*256kB [ 291.997860] ? skb_scrub_packet+0x490/0x490 [ 291.999817] (M) [ 292.005087] ? lock_downgrade+0x900/0x900 [ 292.007391] 4*512kB [ 292.011749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.013696] (UM) [ 292.017846] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.020151] 3*1024kB [ 292.025689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.027758] (UM) [ 292.033219] ? addrconf_rs_timer+0x690/0x690 [ 292.035609] 1*2048kB (M) [ 292.041085] ndisc_alloc_skb+0x144/0x340 [ 292.043114] 4*4096kB (M) [ 292.047535] ndisc_send_rs+0x331/0x6e0 [ 292.050274] = 25192kB [ 292.054335] addrconf_rs_timer+0x314/0x690 [ 292.057073] Node 0 [ 292.060977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.063366] Normal: [ 292.067635] call_timer_fn+0x272/0x920 [ 292.069853] 824*4kB [ 292.074086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.076390] (MEH) [ 292.080277] ? process_timeout+0x40/0x40 [ 292.082587] 371*8kB [ 292.086830] ? find_held_lock+0x36/0x1c0 [ 292.088960] (ME) [ 292.093025] ? __run_timers+0x7da/0xc70 [ 292.095330] 164*16kB [ 292.099385] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.101427] (ME) [ 292.105405] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.107794] 69*32kB [ 292.112288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.114331] (UMEH) [ 292.118823] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.121162] 28*64kB [ 292.125395] ? trace_hardirqs_on+0xbd/0x310 [ 292.127613] (M) [ 292.132248] ? kasan_check_read+0x11/0x20 [ 292.134559] 1*128kB [ 292.138879] ? __run_timers+0x7da/0xc70 [ 292.140836] (M) [ 292.144992] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.147295] 0*256kB [ 292.151269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.153224] 0*512kB [ 292.158674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.160976] 1*1024kB [ 292.165206] __run_timers+0x7e5/0xc70 [ 292.167512] (H) [ 292.171763] ? find_held_lock+0x36/0x1c0 [ 292.174184] 0*2048kB [ 292.177988] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.179941] 0*4096kB [ 292.184011] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.186401] = 14040kB [ 292.191761] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.194161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.198651] ? lockdep_hardirqs_on+0x421/0x5c0 [ 292.201054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.205541] ? trace_hardirqs_on+0xbd/0x310 [ 292.214358] 146 total pagecache pages [ 292.218935] ? kasan_check_read+0x11/0x20 [ 292.227497] 0 pages in swap cache [ 292.231807] ? finish_task_switch+0x1f5/0x900 [ 292.235587] Swap cache stats: add 0, delete 0, find 0/0 [ 292.239727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.243174] Free swap = 0kB [ 292.247661] ? compat_start_thread+0x80/0x80 [ 292.253005] Total swap = 0kB [ 292.258472] ? pvclock_read_flags+0x160/0x160 [ 292.261461] 1965979 pages RAM [ 292.265864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.268890] 0 pages HighMem/MovableOnly [ 292.273379] ? check_preemption_disabled+0x48/0x200 [ 292.276464] 342307 pages reserved [ 292.282007] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 292.285968] 0 pages cma reserved [ 292.290979] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.294510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.299940] ? rcu_pm_notify+0xc0/0xc0 [ 292.299956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.299971] ? check_preemption_disabled+0x48/0x200 [ 292.299998] run_timer_softirq+0x52/0xb0 [ 292.303398] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.308620] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.315093] syz-executor3 cpuset= [ 292.318974] __do_softirq+0x30b/0xad8 [ 292.324499] syz3 [ 292.329518] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.333557] mems_allowed=0 [ 292.344036] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.371006] ? schedule+0x108/0x460 [ 292.374661] ? trace_hardirqs_off+0xb8/0x310 [ 292.379086] ? smpboot_thread_fn+0x68b/0xa00 [ 292.383511] ? trace_hardirqs_on+0x310/0x310 [ 292.387946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.393505] ? check_preemption_disabled+0x48/0x200 [ 292.398562] ? takeover_tasklets+0xa90/0xa90 [ 292.402981] run_ksoftirqd+0x94/0x100 [ 292.406800] smpboot_thread_fn+0x68b/0xa00 [ 292.411038] ? sort_range+0x30/0x30 [ 292.414668] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.419772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.425309] ? __kthread_parkme+0xfb/0x1a0 [ 292.429554] kthread+0x35a/0x420 [ 292.432925] ? sort_range+0x30/0x30 [ 292.436558] ? kthread_bind+0x40/0x40 [ 292.440361] ret_from_fork+0x3a/0x50 [ 292.444118] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 292.444177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.451305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.451311] Call Trace: [ 292.451317] [ 292.451337] dump_stack+0x1c4/0x2b4 [ 292.451356] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.457924] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.467218] warn_alloc.cold.119+0xb7/0x1bd [ 292.469777] ksoftirqd/0 cpuset= [ 292.471931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.475539] / [ 292.480740] ? lock_downgrade+0x900/0x900 [ 292.491065] mems_allowed=0 [ 292.495384] ? trace_hardirqs_off+0xb8/0x310 [ 292.516634] ? trace_hardirqs_off+0xb8/0x310 [ 292.521060] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.525942] ? warn_alloc+0x120/0x120 [ 292.529751] ? warn_alloc+0x120/0x120 [ 292.533560] ? print_usage_bug+0xc0/0xc0 [ 292.537636] ? warn_alloc+0x120/0x120 [ 292.541442] ? print_usage_bug+0xc0/0xc0 [ 292.545518] ? __lock_acquire+0x7ec/0x4ec0 [ 292.549756] ? __lock_acquire+0x7ec/0x4ec0 [ 292.553992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.559530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.565067] ? should_fail+0x22d/0xd01 [ 292.568958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.574061] ? __lock_acquire+0x7ec/0x4ec0 [ 292.578299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.583400] ? __lock_acquire+0x7ec/0x4ec0 [ 292.587639] ? should_fail+0x22d/0xd01 [ 292.591536] ? mark_held_locks+0x130/0x130 [ 292.595777] ? mark_held_locks+0x130/0x130 [ 292.600029] ? graph_lock+0x170/0x170 [ 292.603837] ? print_usage_bug+0xc0/0xc0 [ 292.607900] ? graph_lock+0x170/0x170 [ 292.611706] ? print_usage_bug+0xc0/0xc0 [ 292.615771] ? wq_watchdog_touch+0x9c/0xfe [ 292.620007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.625545] ? check_preemption_disabled+0x48/0x200 [ 292.630580] ? check_preemption_disabled+0x48/0x200 [ 292.635612] ? __lock_is_held+0xb5/0x140 [ 292.639685] __alloc_pages_nodemask+0xa80/0xde0 [ 292.644361] ? graph_lock+0x170/0x170 [ 292.648170] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.653193] ? graph_lock+0x170/0x170 [ 292.657005] ? find_held_lock+0x36/0x1c0 [ 292.661080] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.665751] ? lock_downgrade+0x900/0x900 [ 292.669913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.675464] cache_grow_begin+0x91/0x8c0 [ 292.679533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.683954] fallback_alloc+0x203/0x2e0 [ 292.687939] ____cache_alloc_node+0x1c7/0x1e0 [ 292.692443] kmem_cache_alloc_node+0xe3/0x730 [ 292.696968] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.701218] __alloc_skb+0x119/0x770 [ 292.704938] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.710255] ? skb_scrub_packet+0x490/0x490 [ 292.714581] ? lock_downgrade+0x900/0x900 [ 292.718738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.724295] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.729751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.735207] ? addrconf_rs_timer+0x690/0x690 [ 292.739639] ndisc_alloc_skb+0x144/0x340 [ 292.743705] ndisc_send_rs+0x331/0x6e0 [ 292.747602] addrconf_rs_timer+0x314/0x690 [ 292.751854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.756112] call_timer_fn+0x272/0x920 [ 292.760002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.764248] ? process_timeout+0x40/0x40 [ 292.768309] ? find_held_lock+0x36/0x1c0 [ 292.772383] ? __run_timers+0x7da/0xc70 [ 292.776362] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.780857] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.785356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.789594] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.794667] ? trace_hardirqs_on+0xbd/0x310 [ 292.798987] ? kasan_check_read+0x11/0x20 [ 292.803159] ? __run_timers+0x7da/0xc70 [ 292.807138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.812604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.816847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.821086] __run_timers+0x7e5/0xc70 [ 292.824902] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.830276] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.835296] ? graph_lock+0x170/0x170 [ 292.839102] ? enqueue_hrtimer+0x1a5/0x560 [ 292.843352] ? lock_release+0x970/0x970 [ 292.847328] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.852537] ? find_held_lock+0x36/0x1c0 [ 292.856605] ? graph_lock+0x170/0x170 [ 292.860409] ? pvclock_read_flags+0x160/0x160 [ 292.864907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.870468] ? check_preemption_disabled+0x48/0x200 [ 292.875524] ? __lock_is_held+0xb5/0x140 [ 292.879594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.885137] ? check_preemption_disabled+0x48/0x200 [ 292.890165] run_timer_softirq+0x52/0xb0 [ 292.894227] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.899257] __do_softirq+0x30b/0xad8 [ 292.903070] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.908179] ? pvclock_read_flags+0x160/0x160 [ 292.912674] ? lapic_next_event+0x5a/0x90 [ 292.916822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.922365] ? check_preemption_disabled+0x48/0x200 [ 292.927382] ? check_preemption_disabled+0x48/0x200 [ 292.932409] ? kvm_clock_read+0x18/0x30 [ 292.936387] ? kvm_sched_clock_read+0x9/0x20 [ 292.940799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.946356] ? check_preemption_disabled+0x48/0x200 [ 292.951385] irq_exit+0x17f/0x1c0 [ 292.954842] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.959685] ? smp_reschedule_interrupt+0x109/0x650 [ 292.964702] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.970585] ? interrupt_entry+0xb5/0xf0 [ 292.974646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.979684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.984733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.989574] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.994587] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.999601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.005148] ? check_preemption_disabled+0x48/0x200 [ 293.010163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.015717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.020580] apic_timer_interrupt+0xf/0x20 [ 293.024811] [ 293.027058] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 293.032002] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 293.050918] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.058629] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 293.065896] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 293.073166] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 293.080433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 293.087735] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 293.095044] skb_clone+0x1bb/0x500 [ 293.098602] ? finish_task_switch+0x1b5/0x900 [ 293.103102] ? skb_split+0x11e0/0x11e0 [ 293.107005] ? preempt_notifier_register+0x200/0x200 [ 293.112107] ? __switch_to_asm+0x34/0x70 [ 293.116172] ? __switch_to_asm+0x34/0x70 [ 293.120232] ? __switch_to_asm+0x40/0x70 [ 293.124300] ? __switch_to_asm+0x34/0x70 [ 293.128358] ? __switch_to_asm+0x40/0x70 [ 293.132416] ? __switch_to_asm+0x34/0x70 [ 293.136496] ? __switch_to_asm+0x40/0x70 [ 293.140567] ? __switch_to_asm+0x34/0x70 [ 293.144640] ? __switch_to_asm+0x34/0x70 [ 293.148700] ? __switch_to_asm+0x40/0x70 [ 293.152757] ? __switch_to_asm+0x34/0x70 [ 293.156827] bpf_clone_redirect+0xb9/0x490 [ 293.161068] ? __schedule+0x874/0x1ed0 [ 293.164965] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 293.169995] ? __sched_text_start+0x8/0x8 [ 293.174145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.178914] ? find_held_lock+0x36/0x1c0 [ 293.182998] ? lock_acquire+0x1ed/0x520 [ 293.186975] ? bpf_test_run+0x32e/0x5a0 [ 293.190951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.196492] ? check_preemption_disabled+0x48/0x200 [ 293.201527] ? kasan_check_read+0x11/0x20 [ 293.205678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.210958] ? rcu_bh_qs+0xc0/0xc0 [ 293.214501] ? preempt_schedule+0x4d/0x60 [ 293.218653] ? ___preempt_schedule+0x16/0x18 [ 293.223073] ? bpf_test_run+0x1c0/0x5a0 [ 293.227085] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.231501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.237040] ? bpf_test_init.isra.9+0x70/0x100 [ 293.241625] ? bpf_prog_test_run_skb+0x634/0xb40 [ 293.246404] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.251259] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.256804] ? fput+0x130/0x1a0 [ 293.260089] ? __bpf_prog_get+0x9b/0x290 [ 293.264162] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.269006] ? bpf_prog_test_run+0x130/0x1a0 [ 293.273416] ? __x64_sys_bpf+0x3d8/0x510 [ 293.277488] ? bpf_prog_get+0x20/0x20 [ 293.281306] ? do_syscall_64+0x1b9/0x820 [ 293.285365] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.290746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.295693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.300536] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.305563] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.310581] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.315614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.320473] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.325854] warn_alloc_show_mem: 1 callbacks suppressed [ 293.325866] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 293.325868] Mem-Info: [ 293.325898] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 293.325898] active_file:13 inactive_file:14 isolated_file:0 [ 293.325898] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.325898] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 293.325898] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 293.325898] free:13777 free_pcp:213 free_cma:0 [ 293.331235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.331250] Call Trace: [ 293.338017] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.340433] dump_stack+0x1c4/0x2b4 [ 293.373298] Node 0 [ 293.382655] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.385246] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.412718] warn_alloc.cold.119+0xb7/0x1bd [ 293.416309] lowmem_reserve[]: 0 [ 293.418564] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.423735] 2819 [ 293.449266] ? lock_downgrade+0x900/0x900 [ 293.453558] 6323 6323 [ 293.456860] ? trace_hardirqs_off+0xb8/0x310 [ 293.463755] ? trace_hardirqs_off+0xb8/0x310 [ 293.467875] Node 0 [ 293.470390] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.474808] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 293.479214] ? warn_alloc+0x120/0x120 [ 293.481404] lowmem_reserve[]: [ 293.486247] ? warn_alloc+0x120/0x120 [ 293.513287] 0 0 [ 293.517105] ? print_usage_bug+0xc0/0xc0 [ 293.520208] 3503 [ 293.524005] ? warn_alloc+0x120/0x120 [ 293.525967] 3503 [ 293.530029] ? print_usage_bug+0xc0/0xc0 [ 293.535867] ? __lock_acquire+0x7ec/0x4ec0 [ 293.537912] Node 0 [ 293.541985] ? __lock_acquire+0x7ec/0x4ec0 [ 293.546214] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 293.548441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.552672] lowmem_reserve[]: [ 293.580954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.586481] 0 [ 293.589610] ? should_fail+0x22d/0xd01 [ 293.595121] 0 [ 293.596941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.600806] 0 [ 293.602634] ? __lock_acquire+0x7ec/0x4ec0 [ 293.607723] 0 [ 293.609538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.613753] Node 0 [ 293.615557] ? __lock_acquire+0x7ec/0x4ec0 [ 293.620660] DMA: [ 293.622895] ? should_fail+0x22d/0xd01 [ 293.627108] 1*4kB [ 293.629175] ? mark_held_locks+0x130/0x130 [ 293.633027] (U) 0*8kB [ 293.635198] ? mark_held_locks+0x130/0x130 [ 293.639407] 0*16kB 1*32kB [ 293.641911] ? mark_held_locks+0xc7/0x130 [ 293.646126] (U) [ 293.648966] ? print_usage_bug+0xc0/0xc0 [ 293.653103] 2*64kB [ 293.655074] ? graph_lock+0x170/0x170 [ 293.659118] (U) [ 293.661351] ? print_usage_bug+0xc0/0xc0 [ 293.665131] 1*128kB [ 293.667107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.671143] (U) [ 293.673478] ? check_preemption_disabled+0x48/0x200 [ 293.678985] 1*256kB (U) [ 293.680976] ? check_preemption_disabled+0x48/0x200 [ 293.685969] 0*512kB [ 293.688872] ? __lock_is_held+0xb5/0x140 [ 293.693869] 1*1024kB [ 293.696196] __alloc_pages_nodemask+0xa80/0xde0 [ 293.700244] (U) [ 293.702663] ? graph_lock+0x170/0x170 [ 293.707315] 1*2048kB [ 293.709356] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.713158] (M) [ 293.715565] ? graph_lock+0x170/0x170 [ 293.720568] 3*4096kB [ 293.722548] ? find_held_lock+0x36/0x1c0 [ 293.726312] (M) = 15908kB [ 293.728733] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.732767] Node 0 [ 293.735523] ? lock_downgrade+0x900/0x900 [ 293.740162] DMA32: 4*4kB [ 293.742440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.746589] (M) [ 293.749349] cache_grow_begin+0x91/0x8c0 [ 293.754865] 1*8kB [ 293.756841] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.760878] (U) [ 293.763026] fallback_alloc+0x203/0x2e0 [ 293.767412] 3*16kB [ 293.769386] ____cache_alloc_node+0x1c7/0x1e0 [ 293.773347] (UM) [ 293.775591] kmem_cache_alloc_node+0xe3/0x730 [ 293.780075] 3*32kB [ 293.782138] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.786613] (UM) [ 293.788850] __alloc_skb+0x119/0x770 [ 293.793061] 5*64kB [ 293.795126] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.798814] (UM) [ 293.801060] ? skb_scrub_packet+0x490/0x490 [ 293.806308] 3*128kB (M) [ 293.808379] ? lock_downgrade+0x900/0x900 [ 293.812680] 3*256kB (M) [ 293.815365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.819490] 4*512kB [ 293.822167] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.827688] (UM) [ 293.830017] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.835442] 3*1024kB [ 293.837510] ? addrconf_rs_timer+0x690/0x690 [ 293.842935] (UM) [ 293.845353] ndisc_alloc_skb+0x144/0x340 [ 293.849726] 1*2048kB (M) [ 293.852019] ndisc_send_rs+0x331/0x6e0 [ 293.856052] 4*4096kB (M) [ 293.858834] addrconf_rs_timer+0x314/0x690 [ 293.862693] = 25192kB [ 293.862702] Node 0 [ 293.865466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.869709] Normal: [ 293.872135] call_timer_fn+0x272/0x920 [ 293.874369] 824*4kB [ 293.878599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.880914] (MEH) 371*8kB [ 293.884812] ? process_timeout+0x40/0x40 [ 293.887112] (ME) [ 293.891341] ? find_held_lock+0x36/0x1c0 [ 293.894165] 164*16kB [ 293.898227] ? __run_timers+0x7da/0xc70 [ 293.900272] (ME) [ 293.904329] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.906718] 69*32kB [ 293.910700] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.912748] (UMEH) [ 293.917241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.919578] 28*64kB (M) [ 293.924082] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.926296] 1*128kB (M) [ 293.930541] ? trace_hardirqs_on+0xbd/0x310 [ 293.933201] 0*256kB [ 293.937777] ? kasan_check_read+0x11/0x20 [ 293.940433] 0*512kB [ 293.944768] ? __run_timers+0x7da/0xc70 [ 293.947076] 1*1024kB (H) [ 293.951263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.953575] 0*2048kB [ 293.957564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.960317] 0*4096kB [ 293.965767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.968158] = 14040kB [ 293.972405] __run_timers+0x7e5/0xc70 [ 293.974823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.979056] ? find_held_lock+0x36/0x1c0 [ 293.981472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.985268] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.994095] 146 total pagecache pages [ 293.998152] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.006709] 0 pages in swap cache [ 294.012077] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.015858] Swap cache stats: add 0, delete 0, find 0/0 [ 294.020344] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.023788] Free swap = 0kB [ 294.023798] Total swap = 0kB [ 294.028292] ? trace_hardirqs_on+0xbd/0x310 [ 294.033636] 1965979 pages RAM [ 294.038216] ? kasan_check_read+0x11/0x20 [ 294.041214] 0 pages HighMem/MovableOnly [ 294.041224] 342307 pages reserved [ 294.044240] ? finish_task_switch+0x1f5/0x900 [ 294.048541] 0 pages cma reserved [ 294.048645] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.051668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.055844] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.059778] ? compat_start_thread+0x80/0x80 [ 294.063213] syz-executor3 cpuset= [ 294.067730] ? pvclock_read_flags+0x160/0x160 [ 294.071070] syz3 [ 294.077558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.082985] mems_allowed=0 [ 294.093473] ? check_preemption_disabled+0x48/0x200 [ 294.121240] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 294.126781] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.132063] ? rcu_pm_notify+0xc0/0xc0 [ 294.135953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.141493] ? check_preemption_disabled+0x48/0x200 [ 294.146518] run_timer_softirq+0x52/0xb0 [ 294.150583] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.155607] __do_softirq+0x30b/0xad8 [ 294.159420] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.164552] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.169318] ? schedule+0x108/0x460 [ 294.172987] ? trace_hardirqs_off+0xb8/0x310 [ 294.177403] ? smpboot_thread_fn+0x68b/0xa00 [ 294.181812] ? trace_hardirqs_on+0x310/0x310 [ 294.186222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.191764] ? check_preemption_disabled+0x48/0x200 [ 294.196797] ? takeover_tasklets+0xa90/0xa90 [ 294.201211] run_ksoftirqd+0x94/0x100 [ 294.205007] smpboot_thread_fn+0x68b/0xa00 [ 294.209258] ? sort_range+0x30/0x30 [ 294.212889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.218023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.223565] ? __kthread_parkme+0xfb/0x1a0 [ 294.227809] kthread+0x35a/0x420 [ 294.231175] ? sort_range+0x30/0x30 [ 294.234797] ? kthread_bind+0x40/0x40 [ 294.238616] ret_from_fork+0x3a/0x50 [ 294.242346] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 294.242406] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.249533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.249538] Call Trace: [ 294.249545] [ 294.249563] dump_stack+0x1c4/0x2b4 [ 294.249581] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.256100] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.265427] warn_alloc.cold.119+0xb7/0x1bd [ 294.267995] ksoftirqd/0 cpuset= [ 294.270146] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.273756] / [ 294.278948] ? lock_downgrade+0x900/0x900 [ 294.289237] mems_allowed=0 [ 294.293563] ? trace_hardirqs_off+0xb8/0x310 [ 294.314818] ? trace_hardirqs_off+0xb8/0x310 [ 294.319244] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.324130] ? warn_alloc+0x120/0x120 [ 294.327938] ? warn_alloc+0x120/0x120 [ 294.331739] ? print_usage_bug+0xc0/0xc0 [ 294.335802] ? warn_alloc+0x120/0x120 [ 294.339645] ? print_usage_bug+0xc0/0xc0 [ 294.343726] ? __lock_acquire+0x7ec/0x4ec0 [ 294.347966] ? __lock_acquire+0x7ec/0x4ec0 [ 294.352209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.357750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.363289] ? should_fail+0x22d/0xd01 [ 294.367181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.372285] ? __lock_acquire+0x7ec/0x4ec0 [ 294.376529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.381631] ? __lock_acquire+0x7ec/0x4ec0 [ 294.385894] ? should_fail+0x22d/0xd01 [ 294.389805] ? mark_held_locks+0x130/0x130 [ 294.394041] ? mark_held_locks+0x130/0x130 [ 294.398277] ? graph_lock+0x170/0x170 [ 294.402078] ? print_usage_bug+0xc0/0xc0 [ 294.406157] ? graph_lock+0x170/0x170 [ 294.409962] ? print_usage_bug+0xc0/0xc0 [ 294.414027] ? wq_watchdog_touch+0x9c/0xfe [ 294.418268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.423805] ? check_preemption_disabled+0x48/0x200 [ 294.428849] ? check_preemption_disabled+0x48/0x200 [ 294.433892] ? __lock_is_held+0xb5/0x140 [ 294.437974] __alloc_pages_nodemask+0xa80/0xde0 [ 294.442647] ? graph_lock+0x170/0x170 [ 294.446475] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.451498] ? graph_lock+0x170/0x170 [ 294.455311] ? find_held_lock+0x36/0x1c0 [ 294.459384] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.464055] ? lock_downgrade+0x900/0x900 [ 294.468226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.473777] cache_grow_begin+0x91/0x8c0 [ 294.477853] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.482274] fallback_alloc+0x203/0x2e0 [ 294.486272] ____cache_alloc_node+0x1c7/0x1e0 [ 294.490776] kmem_cache_alloc_node+0xe3/0x730 [ 294.495276] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.499524] __alloc_skb+0x119/0x770 [ 294.503254] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.508545] ? skb_scrub_packet+0x490/0x490 [ 294.512872] ? lock_downgrade+0x900/0x900 [ 294.517037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.522598] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.528093] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.533544] ? addrconf_rs_timer+0x690/0x690 [ 294.537980] ndisc_alloc_skb+0x144/0x340 [ 294.542051] ndisc_send_rs+0x331/0x6e0 [ 294.545947] addrconf_rs_timer+0x314/0x690 [ 294.550190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.554437] call_timer_fn+0x272/0x920 [ 294.558333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.562583] ? process_timeout+0x40/0x40 [ 294.566655] ? find_held_lock+0x36/0x1c0 [ 294.570730] ? __run_timers+0x7da/0xc70 [ 294.574709] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.579233] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.583735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.587973] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.592561] ? trace_hardirqs_on+0xbd/0x310 [ 294.596882] ? kasan_check_read+0x11/0x20 [ 294.601028] ? __run_timers+0x7da/0xc70 [ 294.605006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.610474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.614718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.618956] __run_timers+0x7e5/0xc70 [ 294.622784] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.628152] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.633169] ? graph_lock+0x170/0x170 [ 294.636980] ? enqueue_hrtimer+0x1a5/0x560 [ 294.641221] ? lock_release+0x970/0x970 [ 294.645202] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.650399] ? find_held_lock+0x36/0x1c0 [ 294.654503] ? graph_lock+0x170/0x170 [ 294.658308] ? pvclock_read_flags+0x160/0x160 [ 294.662808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.668361] ? check_preemption_disabled+0x48/0x200 [ 294.673403] ? __lock_is_held+0xb5/0x140 [ 294.677474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.683016] ? check_preemption_disabled+0x48/0x200 [ 294.688071] run_timer_softirq+0x52/0xb0 [ 294.692132] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.697166] __do_softirq+0x30b/0xad8 [ 294.700983] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.706091] ? pvclock_read_flags+0x160/0x160 [ 294.710592] ? lapic_next_event+0x5a/0x90 [ 294.714743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.720286] ? check_preemption_disabled+0x48/0x200 [ 294.725300] ? check_preemption_disabled+0x48/0x200 [ 294.730319] ? kvm_clock_read+0x18/0x30 [ 294.734291] ? kvm_sched_clock_read+0x9/0x20 [ 294.738704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.744263] ? check_preemption_disabled+0x48/0x200 [ 294.749293] irq_exit+0x17f/0x1c0 [ 294.752759] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.757603] ? smp_reschedule_interrupt+0x109/0x650 [ 294.762636] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.768521] ? interrupt_entry+0xb5/0xf0 [ 294.772588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.777602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.782619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.787488] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.792516] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.798049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.803588] ? check_preemption_disabled+0x48/0x200 [ 294.808602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.814147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.818999] apic_timer_interrupt+0xf/0x20 [ 294.823237] [ 294.825488] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 294.830588] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 294.849487] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.857211] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.864487] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 294.871754] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 294.879109] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.886378] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 294.893687] skb_clone+0x1bb/0x500 [ 294.897233] ? finish_task_switch+0x1b5/0x900 [ 294.901746] ? skb_split+0x11e0/0x11e0 [ 294.905649] ? preempt_notifier_register+0x200/0x200 [ 294.910753] ? __switch_to_asm+0x34/0x70 [ 294.914815] ? __switch_to_asm+0x34/0x70 [ 294.918875] ? __switch_to_asm+0x40/0x70 [ 294.922933] ? __switch_to_asm+0x34/0x70 [ 294.926999] ? __switch_to_asm+0x40/0x70 [ 294.931060] ? __switch_to_asm+0x34/0x70 [ 294.935119] ? __switch_to_asm+0x40/0x70 [ 294.939183] ? __switch_to_asm+0x34/0x70 [ 294.943249] ? __switch_to_asm+0x34/0x70 [ 294.947308] ? __switch_to_asm+0x40/0x70 [ 294.951370] ? __switch_to_asm+0x34/0x70 [ 294.955482] bpf_clone_redirect+0xb9/0x490 [ 294.959724] ? __schedule+0x874/0x1ed0 [ 294.963624] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 294.968645] ? __sched_text_start+0x8/0x8 [ 294.972798] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.977570] ? find_held_lock+0x36/0x1c0 [ 294.981645] ? lock_acquire+0x1ed/0x520 [ 294.985624] ? bpf_test_run+0x32e/0x5a0 [ 294.989600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.995144] ? check_preemption_disabled+0x48/0x200 [ 295.000180] ? kasan_check_read+0x11/0x20 [ 295.004331] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.009611] ? rcu_bh_qs+0xc0/0xc0 [ 295.013191] ? preempt_schedule+0x4d/0x60 [ 295.017354] ? ___preempt_schedule+0x16/0x18 [ 295.021772] ? bpf_test_run+0x1c0/0x5a0 [ 295.025760] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.030190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.035740] ? bpf_test_init.isra.9+0x70/0x100 [ 295.040327] ? bpf_prog_test_run_skb+0x634/0xb40 [ 295.045090] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.049932] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.055488] ? fput+0x130/0x1a0 [ 295.058797] ? __bpf_prog_get+0x9b/0x290 [ 295.062862] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.067705] ? bpf_prog_test_run+0x130/0x1a0 [ 295.072123] ? __x64_sys_bpf+0x3d8/0x510 [ 295.076189] ? bpf_prog_get+0x20/0x20 [ 295.080013] ? do_syscall_64+0x1b9/0x820 [ 295.084079] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.089481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.094409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.099262] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.104285] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.109317] ? prepare_exit_to_usermode+0x291/0x3b0 [ 295.114339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.119216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.124600] warn_alloc_show_mem: 1 callbacks suppressed [ 295.124612] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 295.124614] Mem-Info: [ 295.124644] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 295.124644] active_file:13 inactive_file:14 isolated_file:0 [ 295.124644] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.124644] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 295.124644] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 295.124644] free:13777 free_pcp:213 free_cma:0 [ 295.129987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.136752] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.139158] Call Trace: [ 295.172027] Node 0 [ 295.181384] dump_stack+0x1c4/0x2b4 [ 295.208885] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 295.211471] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.213681] lowmem_reserve[]: 0 [ 295.217353] warn_alloc.cold.119+0xb7/0x1bd [ 295.242837] 2819 [ 295.248024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.251278] 6323 [ 295.255598] ? lock_downgrade+0x900/0x900 [ 295.257636] 6323 [ 295.262503] ? trace_hardirqs_off+0xb8/0x310 [ 295.264544] Node 0 [ 295.268703] ? trace_hardirqs_off+0xb8/0x310 [ 295.270777] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 295.275164] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.277368] lowmem_reserve[]: 0 [ 295.281857] ? warn_alloc+0x120/0x120 [ 295.308790] 0 [ 295.313635] ? warn_alloc+0x120/0x120 [ 295.316889] 3503 [ 295.320689] ? print_usage_bug+0xc0/0xc0 [ 295.322475] 3503 [ 295.326292] ? warn_alloc+0x120/0x120 [ 295.328333] Node 0 [ 295.332396] ? print_usage_bug+0xc0/0xc0 [ 295.334485] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 295.338257] ? __lock_acquire+0x7ec/0x4ec0 [ 295.338273] ? __lock_acquire+0x7ec/0x4ec0 [ 295.340490] lowmem_reserve[]: [ 295.344550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.372798] 0 0 [ 295.377041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.381253] 0 [ 295.384359] ? should_fail+0x22d/0xd01 [ 295.389868] 0 [ 295.391852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.397365] Node 0 [ 295.399173] ? __lock_acquire+0x7ec/0x4ec0 [ 295.403054] DMA: [ 295.404856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.409940] 1*4kB [ 295.412171] ? __lock_acquire+0x7ec/0x4ec0 [ 295.416382] (U) [ 295.418442] ? should_fail+0x22d/0xd01 [ 295.423533] 0*8kB [ 295.425683] ? mark_held_locks+0x130/0x130 [ 295.429894] 0*16kB [ 295.431871] ? mark_held_locks+0x130/0x130 [ 295.435739] 1*32kB (U) 2*64kB [ 295.437911] ? graph_lock+0x170/0x170 [ 295.442120] (U) 1*128kB [ 295.444376] ? print_usage_bug+0xc0/0xc0 [ 295.448593] (U) [ 295.451781] ? graph_lock+0x170/0x170 [ 295.455565] 1*256kB [ 295.458232] ? print_usage_bug+0xc0/0xc0 [ 295.462279] (U) [ 295.464257] ? wq_watchdog_touch+0x9c/0xfe [ 295.468031] 0*512kB 1*1024kB [ 295.470363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.474399] (U) 1*2048kB [ 295.476396] ? check_preemption_disabled+0x48/0x200 [ 295.480642] (M) [ 295.483778] ? check_preemption_disabled+0x48/0x200 [ 295.489296] 3*4096kB (M) [ 295.492071] ? __lock_is_held+0xb5/0x140 [ 295.497062] = 15908kB [ 295.499043] __alloc_pages_nodemask+0xa80/0xde0 [ 295.504035] Node 0 [ 295.506796] ? graph_lock+0x170/0x170 [ 295.510833] DMA32: [ 295.513243] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.517903] 4*4kB [ 295.520138] ? graph_lock+0x170/0x170 [ 295.523922] (M) [ 295.526166] ? find_held_lock+0x36/0x1c0 [ 295.531155] 1*8kB (U) [ 295.533328] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.537098] 3*16kB [ 295.539068] ? lock_downgrade+0x900/0x900 [ 295.543114] (UM) [ 295.545625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.550267] 3*32kB (UM) [ 295.552532] cache_grow_begin+0x91/0x8c0 [ 295.556655] 5*64kB (UM) [ 295.558724] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.564230] 3*128kB (M) [ 295.566911] fallback_alloc+0x203/0x2e0 [ 295.570952] 3*256kB (M) [ 295.573634] ____cache_alloc_node+0x1c7/0x1e0 [ 295.578018] 4*512kB [ 295.580692] kmem_cache_alloc_node+0xe3/0x730 [ 295.584641] (UM) 3*1024kB [ 295.587324] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.591799] (UM) [ 295.594131] __alloc_skb+0x119/0x770 [ 295.598607] 1*2048kB [ 295.601469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.605673] (M) 4*4096kB [ 295.607752] ? skb_scrub_packet+0x490/0x490 [ 295.611431] (M) = 25192kB [ 295.613876] ? lock_downgrade+0x900/0x900 [ 295.619131] Node 0 [ 295.621896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.626205] Normal: [ 295.628981] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.633118] 824*4kB [ 295.635356] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.640867] (MEH) [ 295.643217] ? addrconf_rs_timer+0x690/0x690 [ 295.648669] 371*8kB (ME) [ 295.651011] ndisc_alloc_skb+0x144/0x340 [ 295.656431] 164*16kB (ME) [ 295.658601] ndisc_send_rs+0x331/0x6e0 [ 295.662983] 69*32kB (UMEH) [ 295.665757] addrconf_rs_timer+0x314/0x690 [ 295.669807] 28*64kB [ 295.672653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.676520] (M) [ 295.679485] call_timer_fn+0x272/0x920 [ 295.683685] 1*128kB [ 295.686036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.690250] (M) 0*256kB [ 295.692243] ? process_timeout+0x40/0x40 [ 295.696117] 0*512kB [ 295.698442] ? find_held_lock+0x36/0x1c0 [ 295.702665] 1*1024kB [ 295.705338] ? __run_timers+0x7da/0xc70 [ 295.709372] (H) [ 295.711694] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.715733] 0*2048kB [ 295.718147] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.722101] 0*4096kB [ 295.724075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.728560] = 14040kB [ 295.730971] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.735471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.737877] ? trace_hardirqs_on+0xbd/0x310 [ 295.742101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.744500] ? kasan_check_read+0x11/0x20 [ 295.749070] 146 total pagecache pages [ 295.757907] ? __run_timers+0x7da/0xc70 [ 295.762211] 0 pages in swap cache [ 295.770780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.774943] Swap cache stats: add 0, delete 0, find 0/0 [ 295.774953] Free swap = 0kB [ 295.778759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.782738] Total swap = 0kB [ 295.786203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.791635] 1965979 pages RAM [ 295.796993] __run_timers+0x7e5/0xc70 [ 295.799986] 0 pages HighMem/MovableOnly [ 295.799996] 342307 pages reserved [ 295.804228] ? find_held_lock+0x36/0x1c0 [ 295.807246] 0 pages cma reserved [ 295.811500] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.814639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.818379] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.818392] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.818406] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.818422] ? trace_hardirqs_on+0xbd/0x310 [ 295.822438] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.825833] ? kasan_check_read+0x11/0x20 [ 295.829876] syz-executor3 cpuset= [ 295.833243] ? finish_task_switch+0x1f5/0x900 [ 295.838591] syz3 [ 295.845085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.849585] mems_allowed=0 [ 295.854091] ? compat_start_thread+0x80/0x80 [ 295.900252] ? pvclock_read_flags+0x160/0x160 [ 295.904769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.910309] ? check_preemption_disabled+0x48/0x200 [ 295.915338] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 295.920878] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.926156] ? rcu_pm_notify+0xc0/0xc0 [ 295.930042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.935594] ? check_preemption_disabled+0x48/0x200 [ 295.940625] run_timer_softirq+0x52/0xb0 [ 295.944700] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.949724] __do_softirq+0x30b/0xad8 [ 295.953560] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.958668] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.963434] ? schedule+0x108/0x460 [ 295.967090] ? trace_hardirqs_off+0xb8/0x310 [ 295.971517] ? smpboot_thread_fn+0x68b/0xa00 [ 295.975929] ? trace_hardirqs_on+0x310/0x310 [ 295.980340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.985881] ? check_preemption_disabled+0x48/0x200 [ 295.990902] ? takeover_tasklets+0xa90/0xa90 [ 295.995317] run_ksoftirqd+0x94/0x100 [ 295.999121] smpboot_thread_fn+0x68b/0xa00 [ 296.003362] ? sort_range+0x30/0x30 [ 296.007002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.012108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.017651] ? __kthread_parkme+0xfb/0x1a0 [ 296.021888] kthread+0x35a/0x420 [ 296.025279] ? sort_range+0x30/0x30 [ 296.028927] ? kthread_bind+0x40/0x40 [ 296.032767] ret_from_fork+0x3a/0x50 [ 296.036510] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 296.036596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.043715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.043721] Call Trace: [ 296.043728] [ 296.043746] dump_stack+0x1c4/0x2b4 [ 296.043772] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.050340] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.059634] warn_alloc.cold.119+0xb7/0x1bd [ 296.062207] ksoftirqd/0 cpuset= [ 296.064356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.067963] / [ 296.073189] ? lock_downgrade+0x900/0x900 [ 296.083486] mems_allowed=0 [ 296.087820] ? trace_hardirqs_off+0xb8/0x310 [ 296.109094] ? trace_hardirqs_off+0xb8/0x310 [ 296.113514] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.118401] ? warn_alloc+0x120/0x120 [ 296.122220] ? warn_alloc+0x120/0x120 [ 296.126053] ? print_usage_bug+0xc0/0xc0 [ 296.130128] ? warn_alloc+0x120/0x120 [ 296.133932] ? print_usage_bug+0xc0/0xc0 [ 296.138006] ? __lock_acquire+0x7ec/0x4ec0 [ 296.142254] ? __lock_acquire+0x7ec/0x4ec0 [ 296.146509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.152046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.157592] ? should_fail+0x22d/0xd01 [ 296.161489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.166597] ? __lock_acquire+0x7ec/0x4ec0 [ 296.170840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.175942] ? __lock_acquire+0x7ec/0x4ec0 [ 296.180176] ? should_fail+0x22d/0xd01 [ 296.184075] ? mark_held_locks+0x130/0x130 [ 296.188330] ? mark_held_locks+0x130/0x130 [ 296.192574] ? graph_lock+0x170/0x170 [ 296.196390] ? print_usage_bug+0xc0/0xc0 [ 296.200461] ? graph_lock+0x170/0x170 [ 296.204282] ? print_usage_bug+0xc0/0xc0 [ 296.208347] ? wq_watchdog_touch+0x9c/0xfe [ 296.212585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.218125] ? check_preemption_disabled+0x48/0x200 [ 296.223166] ? check_preemption_disabled+0x48/0x200 [ 296.228209] ? __lock_is_held+0xb5/0x140 [ 296.232301] __alloc_pages_nodemask+0xa80/0xde0 [ 296.236972] ? graph_lock+0x170/0x170 [ 296.240777] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.245801] ? graph_lock+0x170/0x170 [ 296.249612] ? find_held_lock+0x36/0x1c0 [ 296.253690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.258372] ? lock_downgrade+0x900/0x900 [ 296.262535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.268082] cache_grow_begin+0x91/0x8c0 [ 296.272156] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.276578] fallback_alloc+0x203/0x2e0 [ 296.280563] ____cache_alloc_node+0x1c7/0x1e0 [ 296.285075] kmem_cache_alloc_node+0xe3/0x730 [ 296.289596] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.293845] __alloc_skb+0x119/0x770 [ 296.297578] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.302876] ? skb_scrub_packet+0x490/0x490 [ 296.307206] ? lock_downgrade+0x900/0x900 [ 296.311366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.316903] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.322383] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.327835] ? addrconf_rs_timer+0x690/0x690 [ 296.332266] ndisc_alloc_skb+0x144/0x340 [ 296.336336] ndisc_send_rs+0x331/0x6e0 [ 296.340249] addrconf_rs_timer+0x314/0x690 [ 296.344498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.348749] call_timer_fn+0x272/0x920 [ 296.352641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.356880] ? process_timeout+0x40/0x40 [ 296.360950] ? find_held_lock+0x36/0x1c0 [ 296.365022] ? __run_timers+0x7da/0xc70 [ 296.369005] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.373516] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.378013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.382256] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.386870] ? trace_hardirqs_on+0xbd/0x310 [ 296.391218] ? kasan_check_read+0x11/0x20 [ 296.395384] ? __run_timers+0x7da/0xc70 [ 296.399397] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.404866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.409113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.413347] __run_timers+0x7e5/0xc70 [ 296.417161] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.422543] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.427577] ? graph_lock+0x170/0x170 [ 296.431386] ? enqueue_hrtimer+0x1a5/0x560 [ 296.435619] ? lock_release+0x970/0x970 [ 296.439597] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.444798] ? find_held_lock+0x36/0x1c0 [ 296.448871] ? graph_lock+0x170/0x170 [ 296.452691] ? pvclock_read_flags+0x160/0x160 [ 296.457186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.462726] ? check_preemption_disabled+0x48/0x200 [ 296.467764] ? __lock_is_held+0xb5/0x140 [ 296.471828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.477369] ? check_preemption_disabled+0x48/0x200 [ 296.482394] run_timer_softirq+0x52/0xb0 [ 296.486477] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.491515] __do_softirq+0x30b/0xad8 [ 296.495343] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.500480] ? pvclock_read_flags+0x160/0x160 [ 296.504978] ? lapic_next_event+0x5a/0x90 [ 296.509142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.514692] ? check_preemption_disabled+0x48/0x200 [ 296.519708] ? check_preemption_disabled+0x48/0x200 [ 296.524735] ? kvm_clock_read+0x18/0x30 [ 296.528721] ? kvm_sched_clock_read+0x9/0x20 [ 296.533138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.538675] ? check_preemption_disabled+0x48/0x200 [ 296.543724] irq_exit+0x17f/0x1c0 [ 296.547181] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.552025] ? smp_reschedule_interrupt+0x109/0x650 [ 296.557044] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.562939] ? interrupt_entry+0xb5/0xf0 [ 296.567007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.572033] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.577055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.581901] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.586921] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.591937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.597483] ? check_preemption_disabled+0x48/0x200 [ 296.602526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.608070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.612926] apic_timer_interrupt+0xf/0x20 [ 296.617153] [ 296.619404] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 296.624338] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 296.643235] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 296.650951] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.658226] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 296.665493] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 296.672775] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 296.680065] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 296.687374] skb_clone+0x1bb/0x500 [ 296.690923] ? finish_task_switch+0x1b5/0x900 [ 296.695420] ? skb_split+0x11e0/0x11e0 [ 296.699319] ? preempt_notifier_register+0x200/0x200 [ 296.704446] ? __switch_to_asm+0x34/0x70 [ 296.708539] ? __switch_to_asm+0x34/0x70 [ 296.712600] ? __switch_to_asm+0x40/0x70 [ 296.716671] ? __switch_to_asm+0x34/0x70 [ 296.720730] ? __switch_to_asm+0x40/0x70 [ 296.724816] ? __switch_to_asm+0x34/0x70 [ 296.728876] ? __switch_to_asm+0x40/0x70 [ 296.732935] ? __switch_to_asm+0x34/0x70 [ 296.736997] ? __switch_to_asm+0x34/0x70 [ 296.741058] ? __switch_to_asm+0x40/0x70 [ 296.745119] ? __switch_to_asm+0x34/0x70 [ 296.749199] bpf_clone_redirect+0xb9/0x490 [ 296.753438] ? __schedule+0x874/0x1ed0 [ 296.757343] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 296.762368] ? __sched_text_start+0x8/0x8 [ 296.766522] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.771295] ? find_held_lock+0x36/0x1c0 [ 296.775365] ? lock_acquire+0x1ed/0x520 [ 296.779341] ? bpf_test_run+0x32e/0x5a0 [ 296.783331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.788871] ? check_preemption_disabled+0x48/0x200 [ 296.794300] ? kasan_check_read+0x11/0x20 [ 296.798474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.803798] ? rcu_bh_qs+0xc0/0xc0 [ 296.807339] ? preempt_schedule+0x4d/0x60 [ 296.811490] ? ___preempt_schedule+0x16/0x18 [ 296.815909] ? bpf_test_run+0x1c0/0x5a0 [ 296.819901] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.824313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.829852] ? bpf_test_init.isra.9+0x70/0x100 [ 296.834472] ? bpf_prog_test_run_skb+0x634/0xb40 [ 296.839256] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.844097] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.849632] ? fput+0x130/0x1a0 [ 296.852932] ? __bpf_prog_get+0x9b/0x290 [ 296.856998] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.861840] ? bpf_prog_test_run+0x130/0x1a0 [ 296.866272] ? __x64_sys_bpf+0x3d8/0x510 [ 296.870332] ? bpf_prog_get+0x20/0x20 [ 296.874157] ? do_syscall_64+0x1b9/0x820 [ 296.878249] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.883617] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.888551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.893397] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.898417] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.903445] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.908493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.913349] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.918728] warn_alloc_show_mem: 1 callbacks suppressed [ 296.918746] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 296.918748] Mem-Info: [ 296.918792] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 296.918792] active_file:13 inactive_file:14 isolated_file:0 [ 296.918792] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.918792] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 296.918792] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 296.918792] free:13777 free_pcp:213 free_cma:0 [ 296.924131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.930896] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.933297] Call Trace: [ 296.966162] Node 0 [ 296.975536] dump_stack+0x1c4/0x2b4 [ 297.003033] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 297.005593] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.007803] lowmem_reserve[]: 0 [ 297.011458] warn_alloc.cold.119+0xb7/0x1bd [ 297.036924] 2819 6323 [ 297.042127] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.045398] 6323 [ 297.049747] ? lock_downgrade+0x900/0x900 [ 297.057068] ? trace_hardirqs_off+0xb8/0x310 [ 297.059111] Node 0 [ 297.063272] ? trace_hardirqs_off+0xb8/0x310 [ 297.067707] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.069926] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.074324] lowmem_reserve[]: [ 297.101323] ? warn_alloc+0x120/0x120 [ 297.106116] 0 0 [ 297.109251] ? warn_alloc+0x120/0x120 [ 297.113041] 3503 [ 297.115014] ? print_usage_bug+0xc0/0xc0 [ 297.118796] 3503 [ 297.120876] ? warn_alloc+0x120/0x120 [ 297.126982] ? print_usage_bug+0xc0/0xc0 [ 297.130779] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 297.134872] ? __lock_acquire+0x7ec/0x4ec0 [ 297.134900] ? __lock_acquire+0x7ec/0x4ec0 [ 297.163774] lowmem_reserve[]: 0 [ 297.168021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.172232] 0 [ 297.175508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.181025] 0 [ 297.182849] ? should_fail+0x22d/0xd01 [ 297.188363] 0 [ 297.190164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.195858] ? __lock_acquire+0x7ec/0x4ec0 [ 297.200937] Node 0 DMA: [ 297.205167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.205184] ? __lock_acquire+0x7ec/0x4ec0 [ 297.207841] 1*4kB [ 297.212942] ? should_fail+0x22d/0xd01 [ 297.217159] (U) [ 297.219311] ? mark_held_locks+0x130/0x130 [ 297.223176] 0*8kB [ 297.225159] ? mark_held_locks+0x130/0x130 [ 297.229373] 0*16kB [ 297.231521] ? mark_held_locks+0xc7/0x130 [ 297.235760] 1*32kB [ 297.237994] ? print_usage_bug+0xc0/0xc0 [ 297.242134] (U) [ 297.244375] ? graph_lock+0x170/0x170 [ 297.248420] 2*64kB [ 297.250396] ? print_usage_bug+0xc0/0xc0 [ 297.254175] (U) [ 297.256412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.260459] 1*128kB [ 297.262441] ? check_preemption_disabled+0x48/0x200 [ 297.267969] (U) 1*256kB [ 297.270307] ? check_preemption_disabled+0x48/0x200 [ 297.275311] (U) [ 297.278019] ? __lock_is_held+0xb5/0x140 [ 297.283004] 0*512kB 1*1024kB [ 297.284992] __alloc_pages_nodemask+0xa80/0xde0 [ 297.289028] (U) [ 297.292132] ? graph_lock+0x170/0x170 [ 297.296779] 1*2048kB [ 297.298755] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.302526] (M) [ 297.304943] ? graph_lock+0x170/0x170 [ 297.309937] 3*4096kB [ 297.311914] ? find_held_lock+0x36/0x1c0 [ 297.315690] (M) [ 297.318116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.322163] = 15908kB [ 297.324138] ? lock_downgrade+0x900/0x900 [ 297.328798] Node 0 [ 297.331225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.335355] DMA32: 4*4kB [ 297.337623] cache_grow_begin+0x91/0x8c0 [ 297.343152] (M) [ 297.345909] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.349952] 1*8kB [ 297.351928] fallback_alloc+0x203/0x2e0 [ 297.356309] (U) [ 297.358468] ____cache_alloc_node+0x1c7/0x1e0 [ 297.362416] 3*16kB [ 297.364394] kmem_cache_alloc_node+0xe3/0x730 [ 297.368864] (UM) [ 297.371105] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.375580] 3*32kB [ 297.377646] __alloc_skb+0x119/0x770 [ 297.381856] (UM) [ 297.384099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.387789] 5*64kB [ 297.389852] ? skb_scrub_packet+0x490/0x490 [ 297.395106] (UM) [ 297.397343] ? lock_downgrade+0x900/0x900 [ 297.401645] 3*128kB [ 297.403730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.407855] (M) [ 297.410231] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.415748] 3*256kB (M) [ 297.417762] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.423198] 4*512kB [ 297.425868] ? addrconf_rs_timer+0x690/0x690 [ 297.431295] (UM) [ 297.433628] ndisc_alloc_skb+0x144/0x340 [ 297.438014] 3*1024kB [ 297.440086] ndisc_send_rs+0x331/0x6e0 [ 297.444122] (UM) [ 297.446580] addrconf_rs_timer+0x314/0x690 [ 297.450469] 1*2048kB [ 297.452537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.456752] (M) [ 297.459183] call_timer_fn+0x272/0x920 [ 297.463442] 4*4096kB [ 297.465422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.469286] (M) [ 297.471696] ? process_timeout+0x40/0x40 [ 297.475911] = 25192kB [ 297.477897] ? find_held_lock+0x36/0x1c0 [ 297.481936] Node 0 [ 297.484348] ? __run_timers+0x7da/0xc70 [ 297.488380] Normal: [ 297.490616] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.494573] 824*4kB [ 297.496895] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.501368] (MEH) [ 297.503735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.508204] 371*8kB (ME) [ 297.510364] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.514576] 164*16kB [ 297.517333] ? trace_hardirqs_on+0xbd/0x310 [ 297.521890] (ME) [ 297.524298] ? kasan_check_read+0x11/0x20 [ 297.528603] 69*32kB (UMEH) [ 297.530672] ? __run_timers+0x7da/0xc70 [ 297.534797] 28*64kB [ 297.537731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.541682] (M) [ 297.544004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.549441] 1*128kB [ 297.551423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.555627] (M) 0*256kB [ 297.557956] __run_timers+0x7e5/0xc70 [ 297.562168] 0*512kB [ 297.564833] ? find_held_lock+0x36/0x1c0 [ 297.568615] 1*1024kB [ 297.570943] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.574977] (H) [ 297.577389] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.582724] 0*2048kB 0*4096kB [ 297.584716] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.589184] = 14040kB [ 297.589199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.592384] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.596861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.599273] ? trace_hardirqs_on+0xbd/0x310 [ 297.608087] 146 total pagecache pages [ 297.612664] ? kasan_check_read+0x11/0x20 [ 297.621222] 0 pages in swap cache [ 297.625542] ? finish_task_switch+0x1f5/0x900 [ 297.629322] Swap cache stats: add 0, delete 0, find 0/0 [ 297.629331] Free swap = 0kB [ 297.633485] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.636909] Total swap = 0kB [ 297.636918] 1965979 pages RAM [ 297.641414] ? compat_start_thread+0x80/0x80 [ 297.646748] 0 pages HighMem/MovableOnly [ 297.646757] 342307 pages reserved [ 297.649793] ? pvclock_read_flags+0x160/0x160 [ 297.655212] 0 pages cma reserved [ 297.658231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.661382] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.665728] ? check_preemption_disabled+0x48/0x200 [ 297.669818] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.673159] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 297.677631] syz-executor3 cpuset= [ 297.681005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.686673] syz3 [ 297.693169] ? rcu_pm_notify+0xc0/0xc0 [ 297.698211] mems_allowed=0 [ 297.708699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.737230] ? check_preemption_disabled+0x48/0x200 [ 297.742259] run_timer_softirq+0x52/0xb0 [ 297.746324] ? rcu_read_lock_sched_held+0x108/0x120 [ 297.751357] __do_softirq+0x30b/0xad8 [ 297.755179] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.760288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.765065] ? schedule+0x108/0x460 [ 297.768709] ? trace_hardirqs_off+0xb8/0x310 [ 297.773124] ? smpboot_thread_fn+0x68b/0xa00 [ 297.777538] ? trace_hardirqs_on+0x310/0x310 [ 297.781951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.787492] ? check_preemption_disabled+0x48/0x200 [ 297.792519] ? takeover_tasklets+0xa90/0xa90 [ 297.796947] run_ksoftirqd+0x94/0x100 [ 297.800757] smpboot_thread_fn+0x68b/0xa00 [ 297.805009] ? sort_range+0x30/0x30 [ 297.808639] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.813777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.819318] ? __kthread_parkme+0xfb/0x1a0 [ 297.823560] kthread+0x35a/0x420 [ 297.826953] ? sort_range+0x30/0x30 [ 297.830584] ? kthread_bind+0x40/0x40 [ 297.834396] ret_from_fork+0x3a/0x50 [ 297.838138] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 297.838173] rcu: INFO: rcu_preempt self-detected stall on CPU [ 297.845329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.851211] Call Trace: [ 297.860841] rcu: 0-...!: (136 ticks this GP) idle=e92/1/0x4000000000000002 softirq=9975/9975 fqs=13 [ 297.863142] [ 297.863163] dump_stack+0x1c4/0x2b4 [ 297.863182] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.863209] warn_alloc.cold.119+0xb7/0x1bd [ 297.863224] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.863256] ? lock_downgrade+0x900/0x900 [ 297.863278] ? trace_hardirqs_off+0xb8/0x310 [ 297.863298] ? trace_hardirqs_off+0xb8/0x310 [ 297.863319] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.872978] rcu: [ 297.875155] ? warn_alloc+0x120/0x120 [ 297.878739] (t=10615 jiffies g=10341 q=11) [ 297.883932] ? trace_hardirqs_on+0x310/0x310 [ 297.888256] rcu: rcu_preempt kthread starved for 8375 jiffies! g10341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 297.888265] rcu: RCU grace-period kthread stack dump: [ 297.893108] ? warn_alloc+0x120/0x120 [ 297.897235] rcu_preempt R [ 297.901655] ? print_usage_bug+0xc0/0xc0 [ 297.906041] running task [ 297.910893] ? warn_alloc+0x120/0x120 [ 297.913051] 23064 10 2 0x80000000 [ 297.916840] ? ktime_get+0x2e1/0x440 [ 297.921141] Call Trace: [ 297.925548] ? print_usage_bug+0xc0/0xc0 [ 297.935940] __schedule+0x86c/0x1ed0 [ 297.941117] ? __lock_acquire+0x7ec/0x4ec0 [ 297.944920] ? __sched_text_start+0x8/0x8 [ 297.948011] ? __lock_acquire+0x7ec/0x4ec0 [ 297.952070] ? __mod_timer+0x6f6/0x1870 [ 297.955258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.959040] ? add_timer_on+0x9f0/0x9f0 [ 297.963187] ? should_fail+0x22d/0xd01 [ 297.966925] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.969504] ? __lock_acquire+0x7ec/0x4ec0 [ 297.973563] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.977271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.981494] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.985629] ? __lock_acquire+0x7ec/0x4ec0 [ 297.989885] ? trace_hardirqs_on+0xbd/0x310 [ 297.993850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.999375] ? kasan_check_read+0x11/0x20 [ 298.003334] ? __lock_acquire+0x7ec/0x4ec0 [ 298.003351] ? should_fail+0x22d/0xd01 [ 298.007228] ? prepare_to_swait_event+0x25a/0x800 [ 298.012350] ? mark_held_locks+0x130/0x130 [ 298.016572] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.021666] ? mark_held_locks+0x130/0x130 [ 298.026775] schedule+0xfe/0x460 [ 298.031343] ? graph_lock+0x170/0x170 [ 298.035579] ? __schedule+0x1ed0/0x1ed0 [ 298.039889] ? print_usage_bug+0xc0/0xc0 [ 298.044982] ? prepare_to_swait_event+0x25a/0x800 [ 298.049123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.053364] ? __init_swait_queue_head+0x150/0x150 [ 298.057280] ? check_preemption_disabled+0x48/0x200 [ 298.062112] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.066341] ? check_preemption_disabled+0x48/0x200 [ 298.071783] ? __lockdep_init_map+0x105/0x590 [ 298.076013] ? __lock_is_held+0xb5/0x140 [ 298.079364] ? lockdep_init_map+0x9/0x10 [ 298.083155] __alloc_pages_nodemask+0xa80/0xde0 [ 298.087114] schedule_timeout+0x140/0x260 [ 298.091162] ? graph_lock+0x170/0x170 [ 298.095999] ? usleep_range+0x1a0/0x1a0 [ 298.101528] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.106444] ? __next_timer_interrupt+0x1a0/0x1a0 [ 298.111475] ? graph_lock+0x170/0x170 [ 298.116571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.121582] ? find_held_lock+0x36/0x1c0 [ 298.126068] rcu_gp_kthread+0x9d9/0x2310 [ 298.130118] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.134184] ? rcu_gp_init+0x1830/0x1830 [ 298.138824] ? lock_downgrade+0x900/0x900 [ 298.142987] ? update_curr+0x344/0xbe0 [ 298.146795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.150759] ? graph_lock+0x170/0x170 [ 298.155776] cache_grow_begin+0x91/0x8c0 [ 298.160605] ? __account_cfs_rq_runtime+0x790/0x790 [ 298.164414] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.169941] ? __lock_acquire+0x7ec/0x4ec0 [ 298.173993] fallback_alloc+0x203/0x2e0 [ 298.178055] ? graph_lock+0x170/0x170 [ 298.182715] ____cache_alloc_node+0x1c7/0x1e0 [ 298.186767] ? mark_held_locks+0x130/0x130 [ 298.190898] kmem_cache_alloc_node+0xe3/0x730 [ 298.194805] ? __lock_is_held+0xb5/0x140 [ 298.200328] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.204130] ? __account_cfs_rq_runtime+0x790/0x790 [ 298.208190] __alloc_skb+0x119/0x770 [ 298.213202] ? set_next_entity+0x2f0/0xaf0 [ 298.217605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.221849] ? mark_held_locks+0x130/0x130 [ 298.225809] ? skb_scrub_packet+0x490/0x490 [ 298.229595] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.234077] ? lock_downgrade+0x900/0x900 [ 298.238299] ? update_load_avg+0x2470/0x2470 [ 298.242787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.246832] ? __enqueue_entity+0x10d/0x1f0 [ 298.251053] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.256069] ? graph_lock+0x170/0x170 [ 298.259766] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.263989] ? match_held_lock+0x291/0x8d0 [ 298.269273] ? addrconf_rs_timer+0x690/0x690 [ 298.273497] ? graph_lock+0x170/0x170 [ 298.277813] ndisc_alloc_skb+0x144/0x340 [ 298.282824] ? match_held_lock+0x290/0x8d0 [ 298.286966] ndisc_send_rs+0x331/0x6e0 [ 298.291379] ? match_held_lock+0x290/0x8d0 [ 298.296901] addrconf_rs_timer+0x314/0x690 [ 298.301212] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.306649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.310432] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.315888] call_timer_fn+0x272/0x920 [ 298.320102] ? lockdep_hardirqs_on+0x421/0x5c0 [ 298.324509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.328297] ? trace_hardirqs_on+0xbd/0x310 [ 298.332345] ? process_timeout+0x40/0x40 [ 298.336572] ? kasan_check_read+0x11/0x20 [ 298.340445] ? find_held_lock+0x36/0x1c0 [ 298.344678] ? mark_held_locks+0x130/0x130 [ 298.348916] ? __run_timers+0x7da/0xc70 [ 298.353394] ? audit_add_watch+0xc1/0xdc0 [ 298.357615] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.362100] ? kasan_check_write+0x14/0x20 [ 298.365974] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.370549] ? finish_task_switch+0x2f5/0x900 [ 298.374770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.379080] ? __switch_to_asm+0x40/0x70 [ 298.383130] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.387266] ? preempt_notifier_register+0x200/0x200 [ 298.391316] ? trace_hardirqs_on+0xbd/0x310 [ 298.395536] ? __switch_to_asm+0x34/0x70 [ 298.399517] ? kasan_check_read+0x11/0x20 [ 298.403656] ? __switch_to_asm+0x34/0x70 [ 298.408143] ? __run_timers+0x7da/0xc70 [ 298.412381] ? __switch_to_asm+0x40/0x70 [ 298.416878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.421358] ? __switch_to_asm+0x40/0x70 [ 298.425591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.429636] ? __switch_to_asm+0x34/0x70 [ 298.434208] __run_timers+0x7e5/0xc70 [ 298.439302] ? __switch_to_asm+0x40/0x70 [ 298.443627] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.447668] ? __switch_to_asm+0x34/0x70 [ 298.451820] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.455871] ? __switch_to_asm+0x34/0x70 [ 298.459833] ? graph_lock+0x170/0x170 [ 298.463879] ? __switch_to_asm+0x40/0x70 [ 298.469319] ? enqueue_hrtimer+0x1a5/0x560 [ 298.473373] ? __switch_to_asm+0x40/0x70 [ 298.477598] ? lock_release+0x970/0x970 [ 298.481644] ? __switch_to_asm+0x34/0x70 [ 298.485433] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.489495] ? __switch_to_asm+0x40/0x70 [ 298.494849] ? find_held_lock+0x36/0x1c0 [ 298.498897] ? __schedule+0x874/0x1ed0 [ 298.503904] ? graph_lock+0x170/0x170 [ 298.507962] ? __switch_to_asm+0x40/0x70 [ 298.511758] ? pvclock_read_flags+0x160/0x160 [ 298.515806] ? __switch_to_asm+0x40/0x70 [ 298.520046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.524094] ? graph_lock+0x170/0x170 [ 298.528060] ? check_preemption_disabled+0x48/0x200 [ 298.532108] ? __sched_text_start+0x8/0x8 [ 298.537290] ? __lock_is_held+0xb5/0x140 [ 298.541340] ? find_held_lock+0x36/0x1c0 [ 298.545389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.549265] ? __kthread_parkme+0xce/0x1a0 [ 298.553053] ? check_preemption_disabled+0x48/0x200 [ 298.557102] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.561591] run_timer_softirq+0x52/0xb0 [ 298.565645] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.571179] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.574968] ? lockdep_hardirqs_on+0x421/0x5c0 [ 298.579971] __do_softirq+0x30b/0xad8 [ 298.584106] ? trace_hardirqs_on+0xbd/0x310 [ 298.588162] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.592218] ? kasan_check_read+0x11/0x20 [ 298.597769] ? pvclock_read_flags+0x160/0x160 [ 298.601996] ? __kthread_parkme+0xce/0x1a0 [ 298.607011] ? lapic_next_event+0x5a/0x90 [ 298.612113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.616165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.621264] ? kasan_check_write+0x14/0x20 [ 298.626275] ? check_preemption_disabled+0x48/0x200 [ 298.630843] ? do_raw_spin_lock+0xc1/0x200 [ 298.634629] ? check_preemption_disabled+0x48/0x200 [ 298.634650] ? kvm_clock_read+0x18/0x30 [ 298.638960] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.644069] ? kvm_sched_clock_read+0x9/0x20 [ 298.648207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.652692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.656914] ? __kthread_parkme+0xfb/0x1a0 [ 298.661049] ? check_preemption_disabled+0x48/0x200 [ 298.666494] kthread+0x35a/0x420 [ 298.672030] irq_exit+0x17f/0x1c0 [ 298.676248] ? rcu_gp_init+0x1830/0x1830 [ 298.681262] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.685492] ? kthread_bind+0x40/0x40 [ 298.690512] ? smp_reschedule_interrupt+0x109/0x650 [ 298.690535] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.694505] ret_from_fork+0x3a/0x50 [ 298.699599] ? interrupt_entry+0xb5/0xf0 [ 298.704005] NMI backtrace for cpu 0 [ 298.709529] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.770953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.775977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.780826] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.785845] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.790867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.796929] ? check_preemption_disabled+0x48/0x200 [ 298.801947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.807498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.812353] apic_timer_interrupt+0xf/0x20 [ 298.816584] [ 298.818831] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.823767] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 298.842670] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 298.850416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.857695] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 298.864965] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 298.872230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.879501] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 298.886816] skb_clone+0x1bb/0x500 [ 298.890354] ? finish_task_switch+0x1b5/0x900 [ 298.894860] ? skb_split+0x11e0/0x11e0 [ 298.898751] ? preempt_notifier_register+0x200/0x200 [ 298.903858] ? __switch_to_asm+0x34/0x70 [ 298.907921] ? __switch_to_asm+0x34/0x70 [ 298.911983] ? __switch_to_asm+0x40/0x70 [ 298.916043] ? __switch_to_asm+0x34/0x70 [ 298.920101] ? __switch_to_asm+0x40/0x70 [ 298.924161] ? __switch_to_asm+0x34/0x70 [ 298.928223] ? __switch_to_asm+0x40/0x70 [ 298.932292] ? __switch_to_asm+0x34/0x70 [ 298.936357] ? __switch_to_asm+0x34/0x70 [ 298.940417] ? __switch_to_asm+0x40/0x70 [ 298.944487] ? __switch_to_asm+0x34/0x70 [ 298.948569] bpf_clone_redirect+0xb9/0x490 [ 298.952807] ? __schedule+0x874/0x1ed0 [ 298.956706] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 298.961726] ? __sched_text_start+0x8/0x8 [ 298.965882] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.970660] ? find_held_lock+0x36/0x1c0 [ 298.974766] ? lock_acquire+0x1ed/0x520 [ 298.978757] ? bpf_test_run+0x32e/0x5a0 [ 298.982733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.988276] ? check_preemption_disabled+0x48/0x200 [ 298.993300] ? kasan_check_read+0x11/0x20 [ 298.997470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.002777] ? rcu_bh_qs+0xc0/0xc0 [ 299.006333] ? preempt_schedule+0x4d/0x60 [ 299.010490] ? ___preempt_schedule+0x16/0x18 [ 299.014916] ? bpf_test_run+0x1c0/0x5a0 [ 299.018902] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.023312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.028858] ? bpf_test_init.isra.9+0x70/0x100 [ 299.033445] ? bpf_prog_test_run_skb+0x634/0xb40 [ 299.038251] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.043092] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.048637] ? fput+0x130/0x1a0 [ 299.051920] ? __bpf_prog_get+0x9b/0x290 [ 299.055984] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.060829] ? bpf_prog_test_run+0x130/0x1a0 [ 299.065260] ? __x64_sys_bpf+0x3d8/0x510 [ 299.069322] ? bpf_prog_get+0x20/0x20 [ 299.073158] ? do_syscall_64+0x1b9/0x820 [ 299.077231] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.082608] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.087557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.092417] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.097444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.102482] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.107530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.112394] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.117777] warn_alloc_show_mem: 1 callbacks suppressed [ 299.117788] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 299.117790] Mem-Info: [ 299.117822] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 299.117822] active_file:13 inactive_file:14 isolated_file:0 [ 299.117822] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.117822] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 299.117822] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 299.117822] free:13777 free_pcp:213 free_cma:0 [ 299.123161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.123170] Call Trace: [ 299.129940] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.132343] [ 299.165228] Node 0 [ 299.174600] dump_stack+0x1c4/0x2b4 [ 299.177186] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 299.204667] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.206798] lowmem_reserve[]: 0 [ 299.209063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.212671] 2819 [ 299.238171] ? trace_hardirqs_off+0xb8/0x310 [ 299.243340] 6323 [ 299.246618] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 299.252147] 6323 [ 299.254207] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 299.260650] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 299.265297] Node 0 [ 299.267358] arch_trigger_cpumask_backtrace+0x14/0x20 [ 299.272554] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 299.277800] rcu_dump_cpu_stacks+0x175/0x1c2 [ 299.280009] lowmem_reserve[]: 0 [ 299.285208] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.312165] 0 [ 299.316588] print_cpu_stall.cold.78+0x2d3/0x524 [ 299.319847] 3503 [ 299.324866] ? rcu_dynticks_snap+0x30/0x30 [ 299.326649] 3503 [ 299.331415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.337704] ? check_preemption_disabled+0x48/0x200 [ 299.339742] Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 299.345319] ? check_preemption_disabled+0x48/0x200 [ 299.350312] lowmem_reserve[]: 0 [ 299.379207] ? rcu_test_sync_prims+0x30/0x30 [ 299.384206] 0 [ 299.387496] ? __lock_is_held+0xb5/0x140 [ 299.391873] 0 0 [ 299.393684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.399726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.405255] Node 0 [ 299.410792] ? check_preemption_disabled+0x48/0x200 [ 299.410802] DMA: [ 299.413048] rcu_check_callbacks+0xfd9/0x1990 [ 299.418057] 1*4kB [ 299.420125] ? rcu_cpu_stall_reset+0x220/0x220 [ 299.424592] (U) [ 299.426748] ? lock_release+0x970/0x970 [ 299.431303] 0*8kB [ 299.433286] ? graph_lock+0x170/0x170 [ 299.437248] 0*16kB [ 299.439394] ? graph_lock+0x170/0x170 [ 299.443168] 1*32kB (U) [ 299.445412] ? graph_lock+0x170/0x170 [ 299.449193] 2*64kB [ 299.451779] ? graph_lock+0x170/0x170 [ 299.455553] (U) 1*128kB [ 299.457803] ? find_held_lock+0x36/0x1c0 [ 299.461582] (U) [ 299.464257] ? cpuacct_account_field+0x219/0x3d0 [ 299.468297] 1*256kB [ 299.470267] ? graph_lock+0x170/0x170 [ 299.475005] (U) [ 299.477330] ? find_held_lock+0x36/0x1c0 [ 299.481109] 0*512kB [ 299.483085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.487123] 1*1024kB [ 299.489466] ? check_preemption_disabled+0x48/0x200 [ 299.494976] (U) [ 299.497389] ? check_preemption_disabled+0x48/0x200 [ 299.502376] 1*2048kB (M) [ 299.504367] ? trace_hardirqs_off+0xb8/0x310 [ 299.509358] 3*4096kB [ 299.512123] ? __lock_is_held+0xb5/0x140 [ 299.516507] (M) [ 299.518927] ? trace_hardirqs_on+0x310/0x310 [ 299.522963] = 15908kB [ 299.522972] Node 0 [ 299.524962] ? check_preemption_disabled+0x48/0x200 [ 299.529348] DMA32: [ 299.531765] ? raise_softirq+0x199/0x420 [ 299.533977] 4*4kB [ 299.538992] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 299.541206] (M) [ 299.545293] ? account_system_index_time+0x333/0x5d0 [ 299.547424] 1*8kB [ 299.552097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.554054] (U) [ 299.559167] ? check_preemption_disabled+0x48/0x200 [ 299.561293] 3*16kB (UM) [ 299.566843] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.568803] 3*32kB [ 299.573818] ? hrtimer_run_queues+0x9a/0x400 [ 299.576475] (UM) [ 299.582011] ? run_local_timers+0x19b/0x230 [ 299.584239] 5*64kB [ 299.588643] ? timer_clear_idle+0x90/0x90 [ 299.590686] (UM) [ 299.595004] ? irqtime_account_process_tick.isra.6+0x38e/0x490 [ 299.597213] 3*128kB (M) [ 299.601380] ? account_process_tick+0x282/0x350 [ 299.603414] 3*256kB (M) [ 299.609418] update_process_times+0x2d/0x70 [ 299.612070] 4*512kB [ 299.616739] tick_sched_handle+0x9f/0x180 [ 299.619389] (UM) [ 299.623711] tick_sched_timer+0x45/0x130 [ 299.626012] 3*1024kB (UM) [ 299.630170] __hrtimer_run_queues+0x41c/0x10d0 [ 299.632210] 1*2048kB (M) [ 299.636291] ? tick_sched_do_timer+0x1a0/0x1a0 [ 299.639107] 4*4096kB (M) [ 299.643697] ? hrtimer_start_range_ns+0xe00/0xe00 [ 299.646437] = 25192kB [ 299.651040] ? pvclock_read_flags+0x160/0x160 [ 299.653778] Node 0 [ 299.658630] ? trace_hardirqs_on+0x310/0x310 [ 299.661021] Normal: [ 299.665512] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 299.667732] 824*4kB [ 299.672154] ? kvm_clock_read+0x18/0x30 [ 299.674460] (MEH) [ 299.679478] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 299.681779] 371*8kB (ME) [ 299.685759] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 299.687980] 164*16kB (ME) [ 299.693020] ? do_timer+0x50/0x50 [ 299.695759] 69*32kB [ 299.701119] ? trace_hardirqs_on+0x310/0x310 [ 299.703945] (UMEH) [ 299.707402] ? do_raw_spin_lock+0xc1/0x200 [ 299.709718] 28*64kB [ 299.714128] hrtimer_interrupt+0x313/0x780 [ 299.716340] (M) [ 299.720614] smp_apic_timer_interrupt+0x1a1/0x760 [ 299.722911] 1*128kB (M) [ 299.727155] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.729112] 0*256kB [ 299.733948] ? interrupt_entry+0xb5/0xf0 [ 299.736605] 0*512kB [ 299.742494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.744795] 1*1024kB [ 299.748852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.751160] (H) [ 299.756172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.758563] 0*2048kB [ 299.763575] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.765532] 0*4096kB [ 299.770367] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.772751] = 14040kB [ 299.772765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.777814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.780196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.785207] ? check_preemption_disabled+0x48/0x200 [ 299.787599] 146 total pagecache pages [ 299.796445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.801998] 0 pages in swap cache [ 299.810584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.815576] Swap cache stats: add 0, delete 0, find 0/0 [ 299.815585] Free swap = 0kB [ 299.819387] apic_timer_interrupt+0xf/0x20 [ 299.824888] Total swap = 0kB [ 299.824897] 1965979 pages RAM [ 299.828339] [ 299.833163] 0 pages HighMem/MovableOnly [ 299.833173] 342307 pages reserved [ 299.838535] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 299.841523] 0 pages cma reserved [ 299.841608] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.845766] Code: 40 7e 0f 85 32 ff ff ff e8 f5 ac 3e ff e9 28 ff ff ff e8 1c 14 c3 ff 48 83 3d ac 21 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 299.848851] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.851867] RSP: 0000:ffff8801d9aaf410 EFLAGS: 00000286 [ 299.854092] syz-executor3 cpuset= [ 299.858054] ORIG_RAX: ffffffffffffff13 [ 299.861496] syz3 [ 299.866845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b35415c [ 299.866857] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 299.870212] mems_allowed=0 [ 299.876697] RBP: ffff8801d9aaf480 R08: ffff8801d9aa0ae0 R09: 0000000000000002 [ 299.945474] R10: 0000000000000000 R11: ffff8801d9aa0240 R12: ffff8801d9b23e00 [ 299.952757] R13: ffff8801d9b23e00 R14: 0000000000000000 R15: 0000000000000286 [ 299.960056] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.964320] __alloc_skb+0x119/0x770 [ 299.968040] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.973319] ? skb_scrub_packet+0x490/0x490 [ 299.977658] ? lock_downgrade+0x900/0x900 [ 299.981821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.987361] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.992822] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.998277] ? addrconf_rs_timer+0x690/0x690 [ 300.002704] ndisc_alloc_skb+0x144/0x340 [ 300.006779] ndisc_send_rs+0x331/0x6e0 [ 300.010690] addrconf_rs_timer+0x314/0x690 [ 300.014937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.019188] call_timer_fn+0x272/0x920 [ 300.023088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.027348] ? process_timeout+0x40/0x40 [ 300.031446] ? find_held_lock+0x36/0x1c0 [ 300.035545] ? __run_timers+0x7da/0xc70 [ 300.039531] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.044050] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.048560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.052796] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.057380] ? trace_hardirqs_on+0xbd/0x310 [ 300.061697] ? kasan_check_read+0x11/0x20 [ 300.065845] ? __run_timers+0x7da/0xc70 [ 300.069820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.075279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.079537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.083779] __run_timers+0x7e5/0xc70 [ 300.087581] ? find_held_lock+0x36/0x1c0 [ 300.091663] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.097024] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.101528] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.106027] ? lockdep_hardirqs_on+0x421/0x5c0 [ 300.110614] ? trace_hardirqs_on+0xbd/0x310 [ 300.114932] ? kasan_check_read+0x11/0x20 [ 300.119081] ? finish_task_switch+0x1f5/0x900 [ 300.123589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.129039] ? compat_start_thread+0x80/0x80 [ 300.133504] ? pvclock_read_flags+0x160/0x160 [ 300.138007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.143547] ? check_preemption_disabled+0x48/0x200 [ 300.148577] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 300.154112] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.159393] ? rcu_pm_notify+0xc0/0xc0 [ 300.163293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.168832] ? check_preemption_disabled+0x48/0x200 [ 300.173873] run_timer_softirq+0x52/0xb0 [ 300.177934] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.182955] __do_softirq+0x30b/0xad8 [ 300.186771] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.191876] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.196682] ? schedule+0x108/0x460 [ 300.200319] ? trace_hardirqs_off+0xb8/0x310 [ 300.204733] ? smpboot_thread_fn+0x68b/0xa00 [ 300.209143] ? trace_hardirqs_on+0x310/0x310 [ 300.213565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.219103] ? check_preemption_disabled+0x48/0x200 [ 300.224124] ? takeover_tasklets+0xa90/0xa90 [ 300.228544] run_ksoftirqd+0x94/0x100 [ 300.232348] smpboot_thread_fn+0x68b/0xa00 [ 300.236628] ? sort_range+0x30/0x30 [ 300.240256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.245359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.250897] ? __kthread_parkme+0xfb/0x1a0 [ 300.255140] kthread+0x35a/0x420 [ 300.258507] ? sort_range+0x30/0x30 [ 300.262131] ? kthread_bind+0x40/0x40 [ 300.265935] ret_from_fork+0x3a/0x50 [ 300.269674] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 300.270060] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.276874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.276883] Call Trace: [ 300.283472] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.292716] [ 300.295293] ksoftirqd/0 cpuset= [ 300.305624] dump_stack+0x1c4/0x2b4 [ 300.307750] / [ 300.311041] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.314650] mems_allowed=0 [ 300.316384] warn_alloc.cold.119+0xb7/0x1bd [ 300.328830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.333683] ? lock_downgrade+0x900/0x900 [ 300.337843] ? trace_hardirqs_off+0xb8/0x310 [ 300.342265] ? trace_hardirqs_off+0xb8/0x310 [ 300.346687] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.351561] ? warn_alloc+0x120/0x120 [ 300.355364] ? trace_hardirqs_on+0x310/0x310 [ 300.359793] ? warn_alloc+0x120/0x120 [ 300.363604] ? print_usage_bug+0xc0/0xc0 [ 300.367671] ? warn_alloc+0x120/0x120 [ 300.371480] ? ktime_get+0x2e1/0x440 [ 300.375209] ? print_usage_bug+0xc0/0xc0 [ 300.379285] ? __lock_acquire+0x7ec/0x4ec0 [ 300.383533] ? __lock_acquire+0x7ec/0x4ec0 [ 300.387769] ? kasan_check_read+0x11/0x20 [ 300.391929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.397474] ? should_fail+0x22d/0xd01 [ 300.401365] ? rcu_bh_qs+0xc0/0xc0 [ 300.404909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.410011] ? __lock_acquire+0x7ec/0x4ec0 [ 300.414255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.419356] ? __lock_acquire+0x7ec/0x4ec0 [ 300.423599] ? should_fail+0x22d/0xd01 [ 300.427491] ? rcu_idle_enter+0x4b0/0x4b0 [ 300.431660] ? mark_held_locks+0x130/0x130 [ 300.435903] ? mark_held_locks+0x130/0x130 [ 300.440145] ? mark_held_locks+0xc7/0x130 [ 300.444313] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 300.449328] ? graph_lock+0x170/0x170 [ 300.453128] ? print_usage_bug+0xc0/0xc0 [ 300.457193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.462732] ? check_preemption_disabled+0x48/0x200 [ 300.467752] ? check_preemption_disabled+0x48/0x200 [ 300.472784] ? __lock_is_held+0xb5/0x140 [ 300.476863] __alloc_pages_nodemask+0xa80/0xde0 [ 300.481547] ? graph_lock+0x170/0x170 [ 300.485354] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.490370] ? graph_lock+0x170/0x170 [ 300.494183] ? find_held_lock+0x36/0x1c0 [ 300.498285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.502968] ? lock_downgrade+0x900/0x900 [ 300.507130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.512677] cache_grow_begin+0x91/0x8c0 [ 300.516740] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.521163] fallback_alloc+0x203/0x2e0 [ 300.525144] ____cache_alloc_node+0x1c7/0x1e0 [ 300.529665] kmem_cache_alloc_node+0xe3/0x730 [ 300.534600] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.538850] __alloc_skb+0x119/0x770 [ 300.542570] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.547867] ? skb_scrub_packet+0x490/0x490 [ 300.552198] ? lock_downgrade+0x900/0x900 [ 300.556357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.561897] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.567354] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.572809] ? addrconf_rs_timer+0x690/0x690 [ 300.577250] ndisc_alloc_skb+0x144/0x340 [ 300.581318] ndisc_send_rs+0x331/0x6e0 [ 300.585226] addrconf_rs_timer+0x314/0x690 [ 300.589495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.593745] call_timer_fn+0x272/0x920 [ 300.597641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.601878] ? process_timeout+0x40/0x40 [ 300.605937] ? find_held_lock+0x36/0x1c0 [ 300.610010] ? __run_timers+0x7da/0xc70 [ 300.613991] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.618505] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.623006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.627249] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.631836] ? trace_hardirqs_on+0xbd/0x310 [ 300.636158] ? kasan_check_read+0x11/0x20 [ 300.640334] ? __run_timers+0x7da/0xc70 [ 300.644310] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.649782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.654025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.658278] __run_timers+0x7e5/0xc70 [ 300.662096] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.667484] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.672534] ? graph_lock+0x170/0x170 [ 300.676341] ? enqueue_hrtimer+0x1a5/0x560 [ 300.680576] ? lock_release+0x970/0x970 [ 300.684558] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.689757] ? find_held_lock+0x36/0x1c0 [ 300.693825] ? graph_lock+0x170/0x170 [ 300.697642] ? pvclock_read_flags+0x160/0x160 [ 300.702140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.707682] ? check_preemption_disabled+0x48/0x200 [ 300.712708] ? __lock_is_held+0xb5/0x140 [ 300.716772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.722308] ? check_preemption_disabled+0x48/0x200 [ 300.727334] run_timer_softirq+0x52/0xb0 [ 300.731410] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.736429] __do_softirq+0x30b/0xad8 [ 300.740254] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.745366] ? pvclock_read_flags+0x160/0x160 [ 300.749871] ? lapic_next_event+0x5a/0x90 [ 300.754024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.759564] ? check_preemption_disabled+0x48/0x200 [ 300.764589] ? check_preemption_disabled+0x48/0x200 [ 300.769619] ? kvm_clock_read+0x18/0x30 [ 300.773597] ? kvm_sched_clock_read+0x9/0x20 [ 300.778029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.783587] ? check_preemption_disabled+0x48/0x200 [ 300.788621] irq_exit+0x17f/0x1c0 [ 300.792083] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.797436] ? smp_reschedule_interrupt+0x109/0x650 [ 300.802474] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.808364] ? interrupt_entry+0xb5/0xf0 [ 300.812433] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.817490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.822541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.827417] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.832436] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.837512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.843079] ? check_preemption_disabled+0x48/0x200 [ 300.848095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.853654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.858528] apic_timer_interrupt+0xf/0x20 [ 300.862782] [ 300.865024] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.869955] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 300.888883] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.896599] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.903862] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 300.911139] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 300.918408] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.925673] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 300.932983] skb_clone+0x1bb/0x500 [ 300.936530] ? finish_task_switch+0x1b5/0x900 [ 300.941027] ? skb_split+0x11e0/0x11e0 [ 300.944922] ? preempt_notifier_register+0x200/0x200 [ 300.950027] ? __switch_to_asm+0x34/0x70 [ 300.954088] ? __switch_to_asm+0x34/0x70 [ 300.958149] ? __switch_to_asm+0x40/0x70 [ 300.962256] ? __switch_to_asm+0x34/0x70 [ 300.966316] ? __switch_to_asm+0x40/0x70 [ 300.970375] ? __switch_to_asm+0x34/0x70 [ 300.974434] ? __switch_to_asm+0x40/0x70 [ 300.978503] ? __switch_to_asm+0x34/0x70 [ 300.982581] ? __switch_to_asm+0x34/0x70 [ 300.986641] ? __switch_to_asm+0x40/0x70 [ 300.990702] ? __switch_to_asm+0x34/0x70 [ 300.994772] bpf_clone_redirect+0xb9/0x490 [ 300.999015] ? __schedule+0x874/0x1ed0 [ 301.002909] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 301.007932] ? __sched_text_start+0x8/0x8 [ 301.012091] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.016860] ? find_held_lock+0x36/0x1c0 [ 301.020929] ? lock_acquire+0x1ed/0x520 [ 301.024919] ? bpf_test_run+0x32e/0x5a0 [ 301.028898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.034457] ? check_preemption_disabled+0x48/0x200 [ 301.039485] ? kasan_check_read+0x11/0x20 [ 301.043634] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.048915] ? rcu_bh_qs+0xc0/0xc0 [ 301.052468] ? preempt_schedule+0x4d/0x60 [ 301.056634] ? ___preempt_schedule+0x16/0x18 [ 301.061051] ? bpf_test_run+0x1c0/0x5a0 [ 301.065036] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.069459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.075014] ? bpf_test_init.isra.9+0x70/0x100 [ 301.079619] ? bpf_prog_test_run_skb+0x634/0xb40 [ 301.084387] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.089231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.094770] ? fput+0x130/0x1a0 [ 301.098057] ? __bpf_prog_get+0x9b/0x290 [ 301.102120] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.106962] ? bpf_prog_test_run+0x130/0x1a0 [ 301.111378] ? __x64_sys_bpf+0x3d8/0x510 [ 301.115447] ? bpf_prog_get+0x20/0x20 [ 301.119306] ? do_syscall_64+0x1b9/0x820 [ 301.123366] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.128732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.133661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.138506] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.143527] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.148549] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.153575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.158426] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.163840] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 301.163843] Mem-Info: [ 301.163874] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 301.163874] active_file:13 inactive_file:14 isolated_file:0 [ 301.163874] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.163874] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 301.163874] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 301.163874] free:13777 free_pcp:213 free_cma:0 [ 301.170597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.170606] Call Trace: [ 301.173063] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.205922] dump_stack+0x1c4/0x2b4 [ 301.215261] Node 0 [ 301.217847] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.245345] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 301.248962] warn_alloc.cold.119+0xb7/0x1bd [ 301.251162] lowmem_reserve[]: 0 [ 301.256372] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.281864] 2819 [ 301.286184] ? lock_downgrade+0x900/0x900 [ 301.289434] 6323 6323 [ 301.294291] ? trace_hardirqs_off+0xb8/0x310 [ 301.296328] Node 0 [ 301.300492] ? trace_hardirqs_off+0xb8/0x310 [ 301.303012] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 301.307401] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.309630] lowmem_reserve[]: [ 301.314059] ? warn_alloc+0x120/0x120 [ 301.340987] 0 0 [ 301.345836] ? warn_alloc+0x120/0x120 [ 301.348918] 3503 [ 301.352748] ? print_usage_bug+0xc0/0xc0 [ 301.354699] 3503 [ 301.358493] ? warn_alloc+0x120/0x120 [ 301.364593] ? print_usage_bug+0xc0/0xc0 [ 301.366635] Node 0 [ 301.370434] ? __lock_acquire+0x7ec/0x4ec0 [ 301.374508] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 301.376716] ? __lock_acquire+0x7ec/0x4ec0 [ 301.380924] lowmem_reserve[]: 0 [ 301.409228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.413447] 0 [ 301.416732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.422238] 0 0 [ 301.424053] ? should_fail+0x22d/0xd01 [ 301.431555] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.435459] Node 0 [ 301.440575] ? __lock_acquire+0x7ec/0x4ec0 [ 301.440579] DMA: 1*4kB [ 301.442821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.447049] (U) [ 301.449647] ? __lock_acquire+0x7ec/0x4ec0 [ 301.454724] 0*8kB 0*16kB [ 301.456752] ? should_fail+0x22d/0xd01 [ 301.460962] 1*32kB [ 301.463774] ? mark_held_locks+0x130/0x130 [ 301.467629] (U) [ 301.469864] ? mark_held_locks+0x130/0x130 [ 301.474081] 2*64kB [ 301.476060] ? mark_held_locks+0xc7/0x130 [ 301.480271] (U) [ 301.482510] ? print_usage_bug+0xc0/0xc0 [ 301.486629] 1*128kB (U) [ 301.488625] ? graph_lock+0x170/0x170 [ 301.492665] 1*256kB [ 301.495330] ? print_usage_bug+0xc0/0xc0 [ 301.499112] (U) [ 301.501436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.505483] 0*512kB [ 301.507495] ? check_preemption_disabled+0x48/0x200 [ 301.513018] 1*1024kB [ 301.515341] ? check_preemption_disabled+0x48/0x200 [ 301.520332] (U) [ 301.522760] ? __lock_is_held+0xb5/0x140 [ 301.527744] 1*2048kB (M) [ 301.529730] __alloc_pages_nodemask+0xa80/0xde0 [ 301.533766] 3*4096kB [ 301.536522] ? graph_lock+0x170/0x170 [ 301.541167] (M) [ 301.543590] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.547366] = 15908kB [ 301.549337] ? graph_lock+0x170/0x170 [ 301.554333] Node 0 [ 301.556756] ? find_held_lock+0x36/0x1c0 [ 301.560517] DMA32: 4*4kB [ 301.562768] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.566796] (M) [ 301.569552] ? lock_downgrade+0x900/0x900 [ 301.574210] 1*8kB [ 301.576195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.580312] (U) 3*16kB [ 301.582479] cache_grow_begin+0x91/0x8c0 [ 301.587984] (UM) 3*32kB [ 301.590586] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.594614] (UM) 5*64kB [ 301.597295] fallback_alloc+0x203/0x2e0 [ 301.601672] (UM) 3*128kB [ 301.604352] ____cache_alloc_node+0x1c7/0x1e0 [ 301.608305] (M) [ 301.611062] kmem_cache_alloc_node+0xe3/0x730 [ 301.615533] 3*256kB [ 301.617505] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.621974] (M) [ 301.624309] __alloc_skb+0x119/0x770 [ 301.628517] 4*512kB [ 301.630497] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.634186] (UM) 3*1024kB [ 301.636518] ? skb_scrub_packet+0x490/0x490 [ 301.641764] (UM) 1*2048kB [ 301.644625] ? lock_downgrade+0x900/0x900 [ 301.648944] (M) [ 301.651812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.655929] 4*4096kB (M) [ 301.657916] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.663428] = 25192kB [ 301.666187] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.671612] Node 0 [ 301.674058] ? addrconf_rs_timer+0x690/0x690 [ 301.679484] Normal: [ 301.681724] ndisc_alloc_skb+0x144/0x340 [ 301.686100] 824*4kB [ 301.688629] ndisc_send_rs+0x331/0x6e0 [ 301.692667] (MEH) [ 301.694995] addrconf_rs_timer+0x314/0x690 [ 301.698869] 371*8kB (ME) [ 301.701030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.705234] 164*16kB (ME) [ 301.708002] call_timer_fn+0x272/0x920 [ 301.712211] 69*32kB (UMEH) [ 301.715060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.718924] 28*64kB [ 301.721852] ? process_timeout+0x40/0x40 [ 301.726076] (M) [ 301.728432] ? find_held_lock+0x36/0x1c0 [ 301.732470] 1*128kB (M) [ 301.734470] ? __run_timers+0x7da/0xc70 [ 301.738507] 0*256kB [ 301.741172] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.745122] 0*512kB [ 301.747442] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.751927] 1*1024kB [ 301.754251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.758743] (H) 0*2048kB [ 301.761159] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.765372] 0*4096kB [ 301.768127] ? trace_hardirqs_on+0xbd/0x310 [ 301.772686] = 14040kB [ 301.775095] ? kasan_check_read+0x11/0x20 [ 301.779403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.781804] ? __run_timers+0x7da/0xc70 [ 301.785927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.785936] 146 total pagecache pages [ 301.794774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.798736] 0 pages in swap cache [ 301.807317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.811105] Swap cache stats: add 0, delete 0, find 0/0 [ 301.811114] Free swap = 0kB [ 301.816565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.819988] Total swap = 0kB [ 301.819997] 1965979 pages RAM [ 301.824232] __run_timers+0x7e5/0xc70 [ 301.829576] 0 pages HighMem/MovableOnly [ 301.829585] 342307 pages reserved [ 301.832628] ? find_held_lock+0x36/0x1c0 [ 301.836836] 0 pages cma reserved [ 301.836910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.839898] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.839914] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.839929] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.843073] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.846815] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.850774] syz-executor3 cpuset= [ 301.854229] ? trace_hardirqs_on+0xbd/0x310 [ 301.858281] syz3 [ 301.861655] ? kasan_check_read+0x11/0x20 [ 301.868126] mems_allowed=0 [ 301.873523] ? finish_task_switch+0x1f5/0x900 [ 301.918784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.924250] ? compat_start_thread+0x80/0x80 [ 301.928677] ? pvclock_read_flags+0x160/0x160 [ 301.933212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.938759] ? check_preemption_disabled+0x48/0x200 [ 301.943806] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 301.949343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.954628] ? rcu_pm_notify+0xc0/0xc0 [ 301.958520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.964076] ? check_preemption_disabled+0x48/0x200 [ 301.969104] run_timer_softirq+0x52/0xb0 [ 301.973165] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.978187] __do_softirq+0x30b/0xad8 [ 301.982000] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.987120] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.991901] ? schedule+0x108/0x460 [ 301.995541] ? trace_hardirqs_off+0xb8/0x310 [ 301.999953] ? smpboot_thread_fn+0x68b/0xa00 [ 302.004361] ? trace_hardirqs_on+0x310/0x310 [ 302.008778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.014316] ? check_preemption_disabled+0x48/0x200 [ 302.019336] ? takeover_tasklets+0xa90/0xa90 [ 302.023765] run_ksoftirqd+0x94/0x100 [ 302.027583] smpboot_thread_fn+0x68b/0xa00 [ 302.031857] ? sort_range+0x30/0x30 [ 302.035496] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.040603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.046144] ? __kthread_parkme+0xfb/0x1a0 [ 302.050386] kthread+0x35a/0x420 [ 302.053757] ? sort_range+0x30/0x30 [ 302.057386] ? kthread_bind+0x40/0x40 [ 302.061188] ret_from_fork+0x3a/0x50 [ 302.064932] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 302.065004] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.072134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.072139] Call Trace: [ 302.072145] [ 302.072162] dump_stack+0x1c4/0x2b4 [ 302.072179] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.078767] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.088042] warn_alloc.cold.119+0xb7/0x1bd [ 302.090603] ksoftirqd/0 cpuset= [ 302.092761] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.096367] / [ 302.101557] ? lock_downgrade+0x900/0x900 [ 302.111843] mems_allowed=0 [ 302.116157] ? trace_hardirqs_off+0xb8/0x310 [ 302.137460] ? trace_hardirqs_off+0xb8/0x310 [ 302.141879] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.146752] ? warn_alloc+0x120/0x120 [ 302.150561] ? warn_alloc+0x120/0x120 [ 302.154366] ? print_usage_bug+0xc0/0xc0 [ 302.158441] ? warn_alloc+0x120/0x120 [ 302.162257] ? print_usage_bug+0xc0/0xc0 [ 302.166325] ? __lock_acquire+0x7ec/0x4ec0 [ 302.170571] ? __lock_acquire+0x7ec/0x4ec0 [ 302.174807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.180343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.185882] ? should_fail+0x22d/0xd01 [ 302.189774] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.194883] ? __lock_acquire+0x7ec/0x4ec0 [ 302.199128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.204231] ? __lock_acquire+0x7ec/0x4ec0 [ 302.208474] ? should_fail+0x22d/0xd01 [ 302.212373] ? mark_held_locks+0x130/0x130 [ 302.216629] ? mark_held_locks+0x130/0x130 [ 302.220877] ? graph_lock+0x170/0x170 [ 302.224677] ? print_usage_bug+0xc0/0xc0 [ 302.228747] ? graph_lock+0x170/0x170 [ 302.232560] ? print_usage_bug+0xc0/0xc0 [ 302.236627] ? wq_watchdog_touch+0x9c/0xfe [ 302.240874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.246415] ? check_preemption_disabled+0x48/0x200 [ 302.251431] ? check_preemption_disabled+0x48/0x200 [ 302.256478] ? __lock_is_held+0xb5/0x140 [ 302.260556] __alloc_pages_nodemask+0xa80/0xde0 [ 302.265251] ? graph_lock+0x170/0x170 [ 302.269072] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.274099] ? graph_lock+0x170/0x170 [ 302.277911] ? find_held_lock+0x36/0x1c0 [ 302.281985] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.286656] ? lock_downgrade+0x900/0x900 [ 302.290814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.296361] cache_grow_begin+0x91/0x8c0 [ 302.300436] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.304863] fallback_alloc+0x203/0x2e0 [ 302.308855] ____cache_alloc_node+0x1c7/0x1e0 [ 302.313356] kmem_cache_alloc_node+0xe3/0x730 [ 302.317864] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.322123] __alloc_skb+0x119/0x770 [ 302.325839] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.331121] ? skb_scrub_packet+0x490/0x490 [ 302.335446] ? lock_downgrade+0x900/0x900 [ 302.339617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.345160] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.350616] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.356072] ? addrconf_rs_timer+0x690/0x690 [ 302.360506] ndisc_alloc_skb+0x144/0x340 [ 302.364579] ndisc_send_rs+0x331/0x6e0 [ 302.368505] addrconf_rs_timer+0x314/0x690 [ 302.372750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.377000] call_timer_fn+0x272/0x920 [ 302.380890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.385132] ? process_timeout+0x40/0x40 [ 302.389220] ? find_held_lock+0x36/0x1c0 [ 302.393296] ? __run_timers+0x7da/0xc70 [ 302.397282] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.401779] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.406281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.410518] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.415104] ? trace_hardirqs_on+0xbd/0x310 [ 302.419433] ? kasan_check_read+0x11/0x20 [ 302.423597] ? __run_timers+0x7da/0xc70 [ 302.427579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.433036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.437285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.441521] __run_timers+0x7e5/0xc70 [ 302.445347] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.450743] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.455769] ? graph_lock+0x170/0x170 [ 302.459582] ? enqueue_hrtimer+0x1a5/0x560 [ 302.463818] ? lock_release+0x970/0x970 [ 302.467794] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.472991] ? find_held_lock+0x36/0x1c0 [ 302.477060] ? graph_lock+0x170/0x170 [ 302.480864] ? pvclock_read_flags+0x160/0x160 [ 302.485375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.490918] ? check_preemption_disabled+0x48/0x200 [ 302.495959] ? __lock_is_held+0xb5/0x140 [ 302.500024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.505564] ? check_preemption_disabled+0x48/0x200 [ 302.510590] run_timer_softirq+0x52/0xb0 [ 302.514654] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.519673] __do_softirq+0x30b/0xad8 [ 302.523493] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.528637] ? pvclock_read_flags+0x160/0x160 [ 302.533150] ? lapic_next_event+0x5a/0x90 [ 302.537312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.542865] ? check_preemption_disabled+0x48/0x200 [ 302.547889] ? check_preemption_disabled+0x48/0x200 [ 302.552932] ? kvm_clock_read+0x18/0x30 [ 302.556910] ? kvm_sched_clock_read+0x9/0x20 [ 302.561324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.566888] ? check_preemption_disabled+0x48/0x200 [ 302.571915] irq_exit+0x17f/0x1c0 [ 302.575373] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.580214] ? smp_reschedule_interrupt+0x109/0x650 [ 302.585238] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.591128] ? interrupt_entry+0xb5/0xf0 [ 302.595193] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.600231] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.605257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.610129] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.615154] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.620172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.625710] ? check_preemption_disabled+0x48/0x200 [ 302.630726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.636277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.641136] apic_timer_interrupt+0xf/0x20 [ 302.645373] [ 302.647611] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 302.652538] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 302.671448] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.679177] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 302.686444] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 302.693722] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 302.700989] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 302.708262] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 302.715573] skb_clone+0x1bb/0x500 [ 302.719113] ? finish_task_switch+0x1b5/0x900 [ 302.723613] ? skb_split+0x11e0/0x11e0 [ 302.727502] ? preempt_notifier_register+0x200/0x200 [ 302.732607] ? __switch_to_asm+0x34/0x70 [ 302.736668] ? __switch_to_asm+0x34/0x70 [ 302.740735] ? __switch_to_asm+0x40/0x70 [ 302.744793] ? __switch_to_asm+0x34/0x70 [ 302.748856] ? __switch_to_asm+0x40/0x70 [ 302.752915] ? __switch_to_asm+0x34/0x70 [ 302.757005] ? __switch_to_asm+0x40/0x70 [ 302.761076] ? __switch_to_asm+0x34/0x70 [ 302.765133] ? __switch_to_asm+0x34/0x70 [ 302.769192] ? __switch_to_asm+0x40/0x70 [ 302.773267] ? __switch_to_asm+0x34/0x70 [ 302.777336] bpf_clone_redirect+0xb9/0x490 [ 302.781577] ? __schedule+0x874/0x1ed0 [ 302.785482] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 302.790530] ? __sched_text_start+0x8/0x8 [ 302.795207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.799982] ? find_held_lock+0x36/0x1c0 [ 302.804048] ? lock_acquire+0x1ed/0x520 [ 302.808032] ? bpf_test_run+0x32e/0x5a0 [ 302.812021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.817580] ? check_preemption_disabled+0x48/0x200 [ 302.822614] ? kasan_check_read+0x11/0x20 [ 302.826764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.832043] ? rcu_bh_qs+0xc0/0xc0 [ 302.835591] ? preempt_schedule+0x4d/0x60 [ 302.839740] ? ___preempt_schedule+0x16/0x18 [ 302.844160] ? bpf_test_run+0x1c0/0x5a0 [ 302.848172] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.852597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.858132] ? bpf_test_init.isra.9+0x70/0x100 [ 302.862737] ? bpf_prog_test_run_skb+0x634/0xb40 [ 302.867515] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.872356] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.877891] ? fput+0x130/0x1a0 [ 302.881177] ? __bpf_prog_get+0x9b/0x290 [ 302.885268] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.890108] ? bpf_prog_test_run+0x130/0x1a0 [ 302.894526] ? __x64_sys_bpf+0x3d8/0x510 [ 302.898589] ? bpf_prog_get+0x20/0x20 [ 302.902412] ? do_syscall_64+0x1b9/0x820 [ 302.906483] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.911873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.916803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.921681] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.926699] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.931716] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.936739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.941636] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.947014] warn_alloc_show_mem: 1 callbacks suppressed [ 302.947026] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 302.947028] Mem-Info: [ 302.947059] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 302.947059] active_file:13 inactive_file:14 isolated_file:0 [ 302.947059] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.947059] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 302.947059] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 302.947059] free:13777 free_pcp:213 free_cma:0 [ 302.952396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.952405] Call Trace: [ 302.959165] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.961578] dump_stack+0x1c4/0x2b4 [ 302.994433] Node 0 [ 303.003813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.006399] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 303.033881] warn_alloc.cold.119+0xb7/0x1bd [ 303.037499] lowmem_reserve[]: 0 [ 303.039754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.044916] 2819 [ 303.070426] ? lock_downgrade+0x900/0x900 [ 303.074732] 6323 [ 303.078021] ? trace_hardirqs_off+0xb8/0x310 [ 303.082842] 6323 [ 303.084905] ? trace_hardirqs_off+0xb8/0x310 [ 303.091091] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.095492] Node 0 [ 303.097574] ? warn_alloc+0x120/0x120 [ 303.101964] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 303.106780] ? warn_alloc+0x120/0x120 [ 303.108992] lowmem_reserve[]: 0 [ 303.112810] ? print_usage_bug+0xc0/0xc0 [ 303.139761] 0 3503 [ 303.143578] ? warn_alloc+0x120/0x120 [ 303.146833] 3503 [ 303.150950] ? print_usage_bug+0xc0/0xc0 [ 303.153167] Node 0 [ 303.156963] ? __lock_acquire+0x7ec/0x4ec0 [ 303.159033] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 303.163067] ? __lock_acquire+0x7ec/0x4ec0 [ 303.165274] lowmem_reserve[]: 0 [ 303.169522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.197771] 0 0 [ 303.202024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.205276] 0 [ 303.210822] ? should_fail+0x22d/0xd01 [ 303.212779] Node 0 [ 303.218312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.220096] DMA: [ 303.223987] ? __lock_acquire+0x7ec/0x4ec0 [ 303.226202] 1*4kB [ 303.231303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.233382] (U) [ 303.237613] ? __lock_acquire+0x7ec/0x4ec0 [ 303.239737] 0*8kB 0*16kB [ 303.244849] ? should_fail+0x22d/0xd01 [ 303.246805] 1*32kB [ 303.251040] ? mark_held_locks+0x130/0x130 [ 303.253793] (U) [ 303.257709] ? mark_held_locks+0x130/0x130 [ 303.259938] 2*64kB [ 303.264171] ? mark_held_locks+0xc7/0x130 [ 303.266125] (U) [ 303.270380] ? print_usage_bug+0xc0/0xc0 [ 303.272622] 1*128kB (U) [ 303.276796] ? graph_lock+0x170/0x170 [ 303.278745] 1*256kB (U) [ 303.282816] ? print_usage_bug+0xc0/0xc0 [ 303.285469] 0*512kB [ 303.289262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.289282] ? check_preemption_disabled+0x48/0x200 [ 303.291933] 1*1024kB [ 303.296002] ? check_preemption_disabled+0x48/0x200 [ 303.298303] (U) [ 303.303841] ? __lock_is_held+0xb5/0x140 [ 303.308830] 1*2048kB [ 303.311238] __alloc_pages_nodemask+0xa80/0xde0 [ 303.316272] (M) [ 303.318241] ? graph_lock+0x170/0x170 [ 303.318264] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.322335] 3*4096kB (M) [ 303.324755] ? graph_lock+0x170/0x170 [ 303.329400] = 15908kB [ 303.331380] ? find_held_lock+0x36/0x1c0 [ 303.335151] Node 0 [ 303.340180] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.342912] DMA32: [ 303.346706] ? lock_downgrade+0x900/0x900 [ 303.349115] 4*4kB [ 303.353191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.355420] (M) [ 303.360086] cache_grow_begin+0x91/0x8c0 [ 303.362299] 1*8kB [ 303.366441] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.368583] (U) [ 303.374119] fallback_alloc+0x203/0x2e0 [ 303.376071] 3*16kB [ 303.380134] ____cache_alloc_node+0x1c7/0x1e0 [ 303.382266] (UM) [ 303.386685] kmem_cache_alloc_node+0xe3/0x730 [ 303.388644] 3*32kB [ 303.392631] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.394845] (UM) [ 303.399342] __alloc_skb+0x119/0x770 [ 303.401382] 5*64kB [ 303.405872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.408085] (UM) [ 303.412314] ? skb_scrub_packet+0x490/0x490 [ 303.414357] 3*128kB [ 303.418068] ? lock_downgrade+0x900/0x900 [ 303.420284] (M) [ 303.425561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.427606] 3*256kB [ 303.431939] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.434238] (M) 4*512kB [ 303.438392] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.440346] (UM) [ 303.445880] ? addrconf_rs_timer+0x690/0x690 [ 303.448185] 3*1024kB (UM) [ 303.453651] ndisc_alloc_skb+0x144/0x340 [ 303.456304] 1*2048kB (M) [ 303.461763] ndisc_send_rs+0x331/0x6e0 [ 303.463797] 4*4096kB [ 303.468223] addrconf_rs_timer+0x314/0x690 [ 303.471042] (M) [ 303.475114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.477854] = 25192kB [ 303.481753] call_timer_fn+0x272/0x920 [ 303.484133] Node 0 [ 303.488367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.490322] Normal: [ 303.494557] ? process_timeout+0x40/0x40 [ 303.496951] 824*4kB [ 303.500841] ? find_held_lock+0x36/0x1c0 [ 303.503059] (MEH) [ 303.507294] ? __run_timers+0x7da/0xc70 [ 303.509588] 371*8kB (ME) [ 303.513668] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.515980] 164*16kB (ME) [ 303.520045] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.522180] 69*32kB (UMEH) [ 303.526208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.528947] 28*64kB [ 303.533470] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.536294] (M) [ 303.540788] ? trace_hardirqs_on+0xbd/0x310 [ 303.543701] 1*128kB [ 303.547944] ? kasan_check_read+0x11/0x20 [ 303.550249] (M) [ 303.554825] ? __run_timers+0x7da/0xc70 [ 303.556785] 0*256kB [ 303.561119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.563421] 0*512kB [ 303.567565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.569534] 1*1024kB [ 303.573503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.575825] (H) [ 303.581276] __run_timers+0x7e5/0xc70 [ 303.583583] 0*2048kB [ 303.587816] ? find_held_lock+0x36/0x1c0 [ 303.590207] 0*4096kB [ 303.594446] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.596399] = 14040kB [ 303.600195] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.602595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.606641] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.609065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.614417] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.616820] 146 total pagecache pages [ 303.621316] ? trace_hardirqs_on+0xbd/0x310 [ 303.630136] 0 pages in swap cache [ 303.634643] ? kasan_check_read+0x11/0x20 [ 303.643198] Swap cache stats: add 0, delete 0, find 0/0 [ 303.643208] Free swap = 0kB [ 303.647792] ? finish_task_switch+0x1f5/0x900 [ 303.651579] Total swap = 0kB [ 303.651588] 1965979 pages RAM [ 303.655907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.659335] 0 pages HighMem/MovableOnly [ 303.659344] 342307 pages reserved [ 303.663493] ? compat_start_thread+0x80/0x80 [ 303.668827] 0 pages cma reserved [ 303.668901] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.671866] ? pvclock_read_flags+0x160/0x160 [ 303.676385] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.679351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.682437] syz-executor3 cpuset= [ 303.688086] ? check_preemption_disabled+0x48/0x200 [ 303.692041] syz3 [ 303.695500] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 303.699886] mems_allowed=0 [ 303.703249] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.754314] ? rcu_pm_notify+0xc0/0xc0 [ 303.758217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.763784] ? check_preemption_disabled+0x48/0x200 [ 303.768809] run_timer_softirq+0x52/0xb0 [ 303.772869] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.777889] __do_softirq+0x30b/0xad8 [ 303.781706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.786811] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.791574] ? schedule+0x108/0x460 [ 303.795208] ? trace_hardirqs_off+0xb8/0x310 [ 303.799625] ? smpboot_thread_fn+0x68b/0xa00 [ 303.804043] ? trace_hardirqs_on+0x310/0x310 [ 303.808458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.814003] ? check_preemption_disabled+0x48/0x200 [ 303.819034] ? takeover_tasklets+0xa90/0xa90 [ 303.823445] run_ksoftirqd+0x94/0x100 [ 303.827259] smpboot_thread_fn+0x68b/0xa00 [ 303.831502] ? sort_range+0x30/0x30 [ 303.835146] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.840260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.845801] ? __kthread_parkme+0xfb/0x1a0 [ 303.850041] kthread+0x35a/0x420 [ 303.853410] ? sort_range+0x30/0x30 [ 303.857054] ? kthread_bind+0x40/0x40 [ 303.860859] ret_from_fork+0x3a/0x50 [ 303.864602] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 303.864689] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.871809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.871815] Call Trace: [ 303.871821] [ 303.871839] dump_stack+0x1c4/0x2b4 [ 303.871858] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.878425] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.887699] warn_alloc.cold.119+0xb7/0x1bd [ 303.890304] ksoftirqd/0 cpuset= [ 303.892477] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.896080] / [ 303.901269] ? lock_downgrade+0x900/0x900 [ 303.911562] mems_allowed=0 [ 303.915880] ? trace_hardirqs_off+0xb8/0x310 [ 303.937121] ? trace_hardirqs_off+0xb8/0x310 [ 303.941545] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.946420] ? warn_alloc+0x120/0x120 [ 303.950258] ? warn_alloc+0x120/0x120 [ 303.954065] ? print_usage_bug+0xc0/0xc0 [ 303.958129] ? warn_alloc+0x120/0x120 [ 303.961943] ? print_usage_bug+0xc0/0xc0 [ 303.966017] ? __lock_acquire+0x7ec/0x4ec0 [ 303.970262] ? __lock_acquire+0x7ec/0x4ec0 [ 303.974501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.980040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.985602] ? should_fail+0x22d/0xd01 [ 303.989500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.994614] ? __lock_acquire+0x7ec/0x4ec0 [ 303.998857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.003959] ? __lock_acquire+0x7ec/0x4ec0 [ 304.008195] ? should_fail+0x22d/0xd01 [ 304.012098] ? mark_held_locks+0x130/0x130 [ 304.016349] ? mark_held_locks+0x130/0x130 [ 304.020614] ? graph_lock+0x170/0x170 [ 304.024417] ? print_usage_bug+0xc0/0xc0 [ 304.028489] ? graph_lock+0x170/0x170 [ 304.032296] ? print_usage_bug+0xc0/0xc0 [ 304.036361] ? wq_watchdog_touch+0x9c/0xfe [ 304.040618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.046167] ? check_preemption_disabled+0x48/0x200 [ 304.051219] ? check_preemption_disabled+0x48/0x200 [ 304.056257] ? __lock_is_held+0xb5/0x140 [ 304.060324] __alloc_pages_nodemask+0xa80/0xde0 [ 304.064999] ? graph_lock+0x170/0x170 [ 304.068806] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.073824] ? graph_lock+0x170/0x170 [ 304.077658] ? find_held_lock+0x36/0x1c0 [ 304.081743] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.086413] ? lock_downgrade+0x900/0x900 [ 304.090573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.096116] cache_grow_begin+0x91/0x8c0 [ 304.100178] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.104593] fallback_alloc+0x203/0x2e0 [ 304.108575] ____cache_alloc_node+0x1c7/0x1e0 [ 304.113078] kmem_cache_alloc_node+0xe3/0x730 [ 304.117579] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.121823] __alloc_skb+0x119/0x770 [ 304.125543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.130824] ? skb_scrub_packet+0x490/0x490 [ 304.135148] ? lock_downgrade+0x900/0x900 [ 304.139309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.144850] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.150309] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.155766] ? addrconf_rs_timer+0x690/0x690 [ 304.160192] ndisc_alloc_skb+0x144/0x340 [ 304.164267] ndisc_send_rs+0x331/0x6e0 [ 304.168165] addrconf_rs_timer+0x314/0x690 [ 304.172409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.176670] call_timer_fn+0x272/0x920 [ 304.180571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.184823] ? process_timeout+0x40/0x40 [ 304.188899] ? find_held_lock+0x36/0x1c0 [ 304.192972] ? __run_timers+0x7da/0xc70 [ 304.196954] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.201460] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.205984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.210234] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.214827] ? trace_hardirqs_on+0xbd/0x310 [ 304.219150] ? kasan_check_read+0x11/0x20 [ 304.223301] ? __run_timers+0x7da/0xc70 [ 304.227290] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.232744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.237024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.241267] __run_timers+0x7e5/0xc70 [ 304.245091] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.250469] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.255515] ? graph_lock+0x170/0x170 [ 304.259333] ? enqueue_hrtimer+0x1a5/0x560 [ 304.263573] ? lock_release+0x970/0x970 [ 304.267561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.272770] ? find_held_lock+0x36/0x1c0 [ 304.276843] ? graph_lock+0x170/0x170 [ 304.280672] ? pvclock_read_flags+0x160/0x160 [ 304.285170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.290708] ? check_preemption_disabled+0x48/0x200 [ 304.295737] ? __lock_is_held+0xb5/0x140 [ 304.299815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.305358] ? check_preemption_disabled+0x48/0x200 [ 304.310386] run_timer_softirq+0x52/0xb0 [ 304.314469] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.319491] __do_softirq+0x30b/0xad8 [ 304.323304] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.328429] ? pvclock_read_flags+0x160/0x160 [ 304.332935] ? lapic_next_event+0x5a/0x90 [ 304.337083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.342639] ? check_preemption_disabled+0x48/0x200 [ 304.347667] ? check_preemption_disabled+0x48/0x200 [ 304.352708] ? kvm_clock_read+0x18/0x30 [ 304.356681] ? kvm_sched_clock_read+0x9/0x20 [ 304.361091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.366631] ? check_preemption_disabled+0x48/0x200 [ 304.371662] irq_exit+0x17f/0x1c0 [ 304.375121] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.379997] ? smp_reschedule_interrupt+0x109/0x650 [ 304.385017] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.390906] ? interrupt_entry+0xb5/0xf0 [ 304.394978] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.400001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.405031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.409875] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.414902] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.419922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.425473] ? check_preemption_disabled+0x48/0x200 [ 304.430496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.436045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.440904] apic_timer_interrupt+0xf/0x20 [ 304.445147] [ 304.447408] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 304.452337] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 304.471248] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.478969] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.486240] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 304.493521] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 304.500790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 304.508058] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 304.515384] skb_clone+0x1bb/0x500 [ 304.518941] ? finish_task_switch+0x1b5/0x900 [ 304.523441] ? skb_split+0x11e0/0x11e0 [ 304.527345] ? preempt_notifier_register+0x200/0x200 [ 304.532459] ? __switch_to_asm+0x34/0x70 [ 304.536537] ? __switch_to_asm+0x34/0x70 [ 304.540597] ? __switch_to_asm+0x40/0x70 [ 304.544656] ? __switch_to_asm+0x34/0x70 [ 304.548719] ? __switch_to_asm+0x40/0x70 [ 304.552790] ? __switch_to_asm+0x34/0x70 [ 304.556854] ? __switch_to_asm+0x40/0x70 [ 304.560925] ? __switch_to_asm+0x34/0x70 [ 304.564988] ? __switch_to_asm+0x34/0x70 [ 304.569051] ? __switch_to_asm+0x40/0x70 [ 304.573112] ? __switch_to_asm+0x34/0x70 [ 304.577189] bpf_clone_redirect+0xb9/0x490 [ 304.581431] ? __schedule+0x874/0x1ed0 [ 304.585335] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 304.590358] ? __sched_text_start+0x8/0x8 [ 304.594541] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.599360] ? find_held_lock+0x36/0x1c0 [ 304.603438] ? lock_acquire+0x1ed/0x520 [ 304.607426] ? bpf_test_run+0x32e/0x5a0 [ 304.611436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.616986] ? check_preemption_disabled+0x48/0x200 [ 304.622010] ? kasan_check_read+0x11/0x20 [ 304.626163] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.631444] ? rcu_bh_qs+0xc0/0xc0 [ 304.635001] ? preempt_schedule+0x4d/0x60 [ 304.639156] ? ___preempt_schedule+0x16/0x18 [ 304.643591] ? bpf_test_run+0x1c0/0x5a0 [ 304.647589] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.652020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.657558] ? bpf_test_init.isra.9+0x70/0x100 [ 304.662147] ? bpf_prog_test_run_skb+0x634/0xb40 [ 304.666912] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.671797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.677340] ? fput+0x130/0x1a0 [ 304.680622] ? __bpf_prog_get+0x9b/0x290 [ 304.684716] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.689573] ? bpf_prog_test_run+0x130/0x1a0 [ 304.694001] ? __x64_sys_bpf+0x3d8/0x510 [ 304.698064] ? bpf_prog_get+0x20/0x20 [ 304.701886] ? do_syscall_64+0x1b9/0x820 [ 304.705948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.711327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.716258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.721104] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.726120] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.731141] ? prepare_exit_to_usermode+0x291/0x3b0 [ 304.736173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.741038] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.746420] warn_alloc_show_mem: 1 callbacks suppressed [ 304.746431] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 304.746433] Mem-Info: [ 304.746473] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 304.746473] active_file:13 inactive_file:14 isolated_file:0 [ 304.746473] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.746473] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 304.746473] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 304.746473] free:13777 free_pcp:213 free_cma:0 [ 304.751824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.758592] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.760996] Call Trace: [ 304.794533] Node 0 [ 304.803958] dump_stack+0x1c4/0x2b4 [ 304.831530] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 304.834107] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.836303] lowmem_reserve[]: 0 [ 304.839947] warn_alloc.cold.119+0xb7/0x1bd [ 304.865441] 2819 [ 304.870658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.873911] 6323 [ 304.878229] ? lock_downgrade+0x900/0x900 [ 304.880272] 6323 [ 304.885118] ? trace_hardirqs_off+0xb8/0x310 [ 304.887195] Node 0 [ 304.891340] ? trace_hardirqs_off+0xb8/0x310 [ 304.893413] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 304.897796] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.899998] lowmem_reserve[]: 0 [ 304.904461] ? warn_alloc+0x120/0x120 [ 304.931393] 0 3503 [ 304.936262] ? warn_alloc+0x120/0x120 [ 304.939529] 3503 [ 304.943338] ? print_usage_bug+0xc0/0xc0 [ 304.949346] ? warn_alloc+0x120/0x120 [ 304.951388] Node 0 [ 304.955450] ? print_usage_bug+0xc0/0xc0 [ 304.959267] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 304.961475] ? __lock_acquire+0x7ec/0x4ec0 [ 304.965512] lowmem_reserve[]: 0 [ 304.993850] ? __lock_acquire+0x7ec/0x4ec0 [ 304.998060] 0 0 [ 305.001346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.005551] 0 [ 305.007553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.013070] Node 0 [ 305.014872] ? should_fail+0x22d/0xd01 [ 305.020384] DMA: [ 305.022617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.026487] 1*4kB [ 305.028574] ? __lock_acquire+0x7ec/0x4ec0 [ 305.033647] (U) 0*8kB [ 305.035809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.040022] 0*16kB [ 305.042514] ? __lock_acquire+0x7ec/0x4ec0 [ 305.047595] 1*32kB [ 305.049831] ? should_fail+0x22d/0xd01 [ 305.054041] (U) [ 305.056280] ? mark_held_locks+0x130/0x130 [ 305.060154] 2*64kB [ 305.062145] ? mark_held_locks+0x130/0x130 [ 305.066363] (U) [ 305.068626] ? mark_held_locks+0xc7/0x130 [ 305.072849] 1*128kB (U) [ 305.074836] ? print_usage_bug+0xc0/0xc0 [ 305.078956] 1*256kB (U) [ 305.081635] ? graph_lock+0x170/0x170 [ 305.085686] 0*512kB [ 305.088352] ? print_usage_bug+0xc0/0xc0 [ 305.092128] 1*1024kB (U) [ 305.094472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.098507] 1*2048kB [ 305.101260] ? check_preemption_disabled+0x48/0x200 [ 305.101278] ? check_preemption_disabled+0x48/0x200 [ 305.106792] (M) [ 305.109217] ? __lock_is_held+0xb5/0x140 [ 305.114205] 3*4096kB [ 305.119215] __alloc_pages_nodemask+0xa80/0xde0 [ 305.121165] (M) [ 305.125230] ? graph_lock+0x170/0x170 [ 305.127627] = 15908kB [ 305.132293] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.134260] Node 0 [ 305.138061] ? graph_lock+0x170/0x170 [ 305.140460] DMA32: [ 305.145486] ? find_held_lock+0x36/0x1c0 [ 305.147702] 4*4kB [ 305.151510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.153714] (M) [ 305.157772] ? lock_downgrade+0x900/0x900 [ 305.159902] 1*8kB [ 305.164578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.166527] (U) [ 305.170683] cache_grow_begin+0x91/0x8c0 [ 305.172835] 3*16kB [ 305.178370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.180326] (UM) [ 305.184392] fallback_alloc+0x203/0x2e0 [ 305.186606] 3*32kB [ 305.191008] ____cache_alloc_node+0x1c7/0x1e0 [ 305.193044] (UM) [ 305.197014] kmem_cache_alloc_node+0xe3/0x730 [ 305.199231] 5*64kB [ 305.203722] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.205761] (UM) [ 305.210268] __alloc_skb+0x119/0x770 [ 305.212492] 3*128kB (M) [ 305.216734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.218776] 3*256kB [ 305.222493] ? skb_scrub_packet+0x490/0x490 [ 305.225139] (M) 4*512kB [ 305.230418] ? lock_downgrade+0x900/0x900 [ 305.232717] (UM) [ 305.237039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.239687] 3*1024kB [ 305.243832] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.245872] (UM) [ 305.251406] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.253796] 1*2048kB [ 305.259262] ? addrconf_rs_timer+0x690/0x690 [ 305.261322] (M) [ 305.266789] ndisc_alloc_skb+0x144/0x340 [ 305.269172] 4*4096kB [ 305.273580] ndisc_send_rs+0x331/0x6e0 [ 305.275548] (M) [ 305.279628] addrconf_rs_timer+0x314/0x690 [ 305.282017] = 25192kB [ 305.285906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.287860] Node 0 [ 305.292104] call_timer_fn+0x272/0x920 [ 305.294499] Normal: [ 305.298741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.300960] 824*4kB [ 305.304846] ? process_timeout+0x40/0x40 [ 305.307146] (MEH) [ 305.311376] ? find_held_lock+0x36/0x1c0 [ 305.313680] 371*8kB [ 305.317739] ? __run_timers+0x7da/0xc70 [ 305.319870] (ME) [ 305.323944] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.326261] 164*16kB (ME) [ 305.330251] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.332300] 69*32kB (UMEH) [ 305.336804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.339626] 28*64kB [ 305.344133] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.347067] (M) [ 305.351299] ? trace_hardirqs_on+0xbd/0x310 [ 305.353605] 1*128kB [ 305.358185] ? kasan_check_read+0x11/0x20 [ 305.360152] (M) [ 305.364513] ? __run_timers+0x7da/0xc70 [ 305.366823] 0*256kB 0*512kB 1*1024kB [ 305.370993] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.372942] (H) 0*2048kB 0*4096kB [ 305.376956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.380749] = 14040kB [ 305.380764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.386209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.389744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.393998] __run_timers+0x7e5/0xc70 [ 305.396398] 146 total pagecache pages [ 305.405237] ? find_held_lock+0x36/0x1c0 [ 305.409468] 0 pages in swap cache [ 305.418074] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.421837] Swap cache stats: add 0, delete 0, find 0/0 [ 305.421846] Free swap = 0kB [ 305.425646] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.429683] Total swap = 0kB [ 305.429692] 1965979 pages RAM [ 305.433140] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.438481] 0 pages HighMem/MovableOnly [ 305.438494] 342307 pages reserved [ 305.443860] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.446856] 0 pages cma reserved [ 305.451358] ? trace_hardirqs_on+0xbd/0x310 [ 305.454436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.457464] ? kasan_check_read+0x11/0x20 [ 305.457481] ? finish_task_switch+0x1f5/0x900 [ 305.457496] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.457513] ? compat_start_thread+0x80/0x80 [ 305.462052] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.465979] ? pvclock_read_flags+0x160/0x160 [ 305.469402] syz-executor3 cpuset= [ 305.473983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.477325] syz3 [ 305.481683] ? check_preemption_disabled+0x48/0x200 [ 305.488167] mems_allowed=0 [ 305.492312] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 305.545975] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.551260] ? rcu_pm_notify+0xc0/0xc0 [ 305.555153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.560695] ? check_preemption_disabled+0x48/0x200 [ 305.565754] run_timer_softirq+0x52/0xb0 [ 305.569821] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.574855] __do_softirq+0x30b/0xad8 [ 305.578676] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.583784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.588550] ? schedule+0x108/0x460 [ 305.592191] ? trace_hardirqs_off+0xb8/0x310 [ 305.596603] ? smpboot_thread_fn+0x68b/0xa00 [ 305.601011] ? trace_hardirqs_on+0x310/0x310 [ 305.605423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.610971] ? check_preemption_disabled+0x48/0x200 [ 305.615993] ? takeover_tasklets+0xa90/0xa90 [ 305.620404] run_ksoftirqd+0x94/0x100 [ 305.624203] smpboot_thread_fn+0x68b/0xa00 [ 305.628462] ? sort_range+0x30/0x30 [ 305.632091] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.637206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.642742] ? __kthread_parkme+0xfb/0x1a0 [ 305.646987] kthread+0x35a/0x420 [ 305.650351] ? sort_range+0x30/0x30 [ 305.653985] ? kthread_bind+0x40/0x40 [ 305.657804] ret_from_fork+0x3a/0x50 [ 305.661543] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 305.661626] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.668741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.668746] Call Trace: [ 305.668753] [ 305.668772] dump_stack+0x1c4/0x2b4 [ 305.668795] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.675327] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.684636] warn_alloc.cold.119+0xb7/0x1bd [ 305.687393] ksoftirqd/0 cpuset= [ 305.689563] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.693165] / [ 305.698352] ? lock_downgrade+0x900/0x900 [ 305.708644] mems_allowed=0 [ 305.712971] ? trace_hardirqs_off+0xb8/0x310 [ 305.734231] ? trace_hardirqs_off+0xb8/0x310 [ 305.738657] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.743537] ? warn_alloc+0x120/0x120 [ 305.747347] ? warn_alloc+0x120/0x120 [ 305.751153] ? print_usage_bug+0xc0/0xc0 [ 305.755219] ? warn_alloc+0x120/0x120 [ 305.759046] ? print_usage_bug+0xc0/0xc0 [ 305.763113] ? __lock_acquire+0x7ec/0x4ec0 [ 305.767351] ? __lock_acquire+0x7ec/0x4ec0 [ 305.771596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.777134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.782678] ? should_fail+0x22d/0xd01 [ 305.786574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.791679] ? __lock_acquire+0x7ec/0x4ec0 [ 305.795933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.801038] ? __lock_acquire+0x7ec/0x4ec0 [ 305.805276] ? should_fail+0x22d/0xd01 [ 305.809172] ? mark_held_locks+0x130/0x130 [ 305.813429] ? mark_held_locks+0x130/0x130 [ 305.817676] ? graph_lock+0x170/0x170 [ 305.821489] ? print_usage_bug+0xc0/0xc0 [ 305.825557] ? graph_lock+0x170/0x170 [ 305.829356] ? print_usage_bug+0xc0/0xc0 [ 305.833419] ? wq_watchdog_touch+0x9c/0xfe [ 305.837667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.843211] ? check_preemption_disabled+0x48/0x200 [ 305.848230] ? check_preemption_disabled+0x48/0x200 [ 305.853270] ? __lock_is_held+0xb5/0x140 [ 305.857346] __alloc_pages_nodemask+0xa80/0xde0 [ 305.862018] ? graph_lock+0x170/0x170 [ 305.865827] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.870845] ? graph_lock+0x170/0x170 [ 305.874657] ? find_held_lock+0x36/0x1c0 [ 305.878729] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.883436] ? lock_downgrade+0x900/0x900 [ 305.887621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.893178] cache_grow_begin+0x91/0x8c0 [ 305.897248] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.901666] fallback_alloc+0x203/0x2e0 [ 305.905664] ____cache_alloc_node+0x1c7/0x1e0 [ 305.910167] kmem_cache_alloc_node+0xe3/0x730 [ 305.914681] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.918931] __alloc_skb+0x119/0x770 [ 305.922649] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.927930] ? skb_scrub_packet+0x490/0x490 [ 305.932258] ? lock_downgrade+0x900/0x900 [ 305.936414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.941954] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.947411] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.952866] ? addrconf_rs_timer+0x690/0x690 [ 305.957293] ndisc_alloc_skb+0x144/0x340 [ 305.961362] ndisc_send_rs+0x331/0x6e0 [ 305.965265] addrconf_rs_timer+0x314/0x690 [ 305.969511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.973762] call_timer_fn+0x272/0x920 [ 305.977656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.981896] ? process_timeout+0x40/0x40 [ 305.985966] ? find_held_lock+0x36/0x1c0 [ 305.990037] ? __run_timers+0x7da/0xc70 [ 305.994017] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.998513] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.003013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.007258] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.011850] ? trace_hardirqs_on+0xbd/0x310 [ 306.016209] ? kasan_check_read+0x11/0x20 [ 306.020387] ? __run_timers+0x7da/0xc70 [ 306.024366] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.029820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.034064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.038300] __run_timers+0x7e5/0xc70 [ 306.042119] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.047495] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.052512] ? graph_lock+0x170/0x170 [ 306.056316] ? enqueue_hrtimer+0x1a5/0x560 [ 306.060546] ? lock_release+0x970/0x970 [ 306.064533] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.069729] ? find_held_lock+0x36/0x1c0 [ 306.073821] ? graph_lock+0x170/0x170 [ 306.077635] ? pvclock_read_flags+0x160/0x160 [ 306.082129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.087669] ? check_preemption_disabled+0x48/0x200 [ 306.092708] ? __lock_is_held+0xb5/0x140 [ 306.096881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.102419] ? check_preemption_disabled+0x48/0x200 [ 306.107461] run_timer_softirq+0x52/0xb0 [ 306.111532] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.116546] __do_softirq+0x30b/0xad8 [ 306.120360] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.125478] ? pvclock_read_flags+0x160/0x160 [ 306.129975] ? lapic_next_event+0x5a/0x90 [ 306.134118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.139652] ? check_preemption_disabled+0x48/0x200 [ 306.144666] ? check_preemption_disabled+0x48/0x200 [ 306.149724] ? kvm_clock_read+0x18/0x30 [ 306.153703] ? kvm_sched_clock_read+0x9/0x20 [ 306.158119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.163653] ? check_preemption_disabled+0x48/0x200 [ 306.168683] irq_exit+0x17f/0x1c0 [ 306.172160] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.177016] ? smp_reschedule_interrupt+0x109/0x650 [ 306.182049] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.187945] ? interrupt_entry+0xb5/0xf0 [ 306.192008] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.197026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.202048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.206890] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.211907] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.216922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.222468] ? check_preemption_disabled+0x48/0x200 [ 306.227493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.233036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.237918] apic_timer_interrupt+0xf/0x20 [ 306.242172] [ 306.244411] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.249338] Code: 7e 0f 85 cf fe ff ff e8 56 8d 3e ff e9 c5 fe ff ff e8 7d f4 c2 ff 48 83 3d 0d 02 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a a1 [ 306.268233] RSP: 0000:ffff880197db7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 306.275947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.283224] RDX: 0000000000000000 RSI: ffff8801cea5cf40 RDI: 0000000000000286 [ 306.290510] RBP: ffff880197db77b0 R08: ffff8801cea5c6c0 R09: 0000000000000000 [ 306.297775] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 306.305043] R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 R15: 0000000000480020 [ 306.312352] skb_clone+0x1bb/0x500 [ 306.315907] ? finish_task_switch+0x1b5/0x900 [ 306.320403] ? skb_split+0x11e0/0x11e0 [ 306.324291] ? preempt_notifier_register+0x200/0x200 [ 306.329392] ? __switch_to_asm+0x34/0x70 [ 306.333449] ? __switch_to_asm+0x34/0x70 [ 306.337519] ? __switch_to_asm+0x40/0x70 [ 306.341580] ? __switch_to_asm+0x34/0x70 [ 306.345685] ? __switch_to_asm+0x40/0x70 [ 306.349774] ? __switch_to_asm+0x34/0x70 [ 306.353845] ? __switch_to_asm+0x40/0x70 [ 306.357903] ? __switch_to_asm+0x34/0x70 [ 306.361967] ? __switch_to_asm+0x34/0x70 [ 306.366028] ? __switch_to_asm+0x40/0x70 [ 306.370090] ? __switch_to_asm+0x34/0x70 [ 306.374165] bpf_clone_redirect+0xb9/0x490 [ 306.378420] ? __schedule+0x874/0x1ed0 [ 306.382319] bpf_prog_a481c1313990ee2c+0x6f2/0x1000 [ 306.387354] ? __sched_text_start+0x8/0x8 [ 306.391540] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.396311] ? find_held_lock+0x36/0x1c0 [ 306.400397] ? lock_acquire+0x1ed/0x520 [ 306.404369] ? bpf_test_run+0x32e/0x5a0 [ 306.408345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.413888] ? check_preemption_disabled+0x48/0x200 [ 306.418910] ? kasan_check_read+0x11/0x20 [ 306.423076] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.428361] ? rcu_bh_qs+0xc0/0xc0 [ 306.431907] ? preempt_schedule+0x4d/0x60 [ 306.436055] ? ___preempt_schedule+0x16/0x18 [ 306.440499] ? bpf_test_run+0x1c0/0x5a0 [ 306.444493] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.448908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.454445] ? bpf_test_init.isra.9+0x70/0x100 [ 306.459046] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.463813] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.468656] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.474191] ? fput+0x130/0x1a0 [ 306.477481] ? __bpf_prog_get+0x9b/0x290 [ 306.481588] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.486447] ? bpf_prog_test_run+0x130/0x1a0 [ 306.490875] ? __x64_sys_bpf+0x3d8/0x510 [ 306.494941] ? bpf_prog_get+0x20/0x20 [ 306.498785] ? do_syscall_64+0x1b9/0x820 [ 306.502860] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.508227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.513161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.518018] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.523038] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.528058] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.533082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.537963] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.543341] warn_alloc_show_mem: 1 callbacks suppressed [ 306.543353] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc7+ #66 [ 306.543355] Mem-Info: [ 306.543387] active_anon:44136 inactive_anon:112 isolated_anon:0 [ 306.543387] active_file:13 inactive_file:14 isolated_file:0 [ 306.543387] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.543387] slab_reclaimable:8705 slab_unreclaimable:1480658 [ 306.543387] mapped:40979 shmem:119 pagetables:625 bounce:0 [ 306.543387] free:13777 free_pcp:213 free_cma:0 [ 306.548730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.548739] Call Trace: [ 306.555508] Node 0 active_anon:176544kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.557919] dump_stack+0x1c4/0x2b4 [ 306.590804] Node 0 [ 306.600166] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.602789] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 306.630278] warn_alloc.cold.119+0xb7/0x1bd [ 306.633889] lowmem_reserve[]: [ 306.636123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.641291] 0 2819 [ 306.666814] ? lock_downgrade+0x900/0x900 [ 306.671106] 6323 6323 [ 306.674221] ? trace_hardirqs_off+0xb8/0x310 [ 306.681270] ? trace_hardirqs_off+0xb8/0x310 [ 306.685397] Node 0 [ 306.688118] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.692529] DMA32 free:25192kB min:30060kB low:37572kB high:45084kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.696949] ? warn_alloc+0x120/0x120 [ 306.699143] lowmem_reserve[]: [ 306.703986] ? warn_alloc+0x120/0x120 [ 306.730957] 0 [ 306.734764] ? print_usage_bug+0xc0/0xc0 [ 306.737838] 0 3503 [ 306.741651] ? warn_alloc+0x120/0x120 [ 306.743431] 3503 [ 306.747497] ? print_usage_bug+0xc0/0xc0 [ 306.753517] ? __lock_acquire+0x7ec/0x4ec0 [ 306.755592] Node 0 [ 306.759661] ? __lock_acquire+0x7ec/0x4ec0 [ 306.763899] Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:172448kB inactive_anon:448kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2500kB bounce:0kB free_pcp:604kB local_pcp:568kB free_cma:0kB [ 306.766125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.770337] lowmem_reserve[]: [ 306.798738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.804266] 0 [ 306.807375] ? should_fail+0x22d/0xd01 [ 306.812890] 0 0 [ 306.814701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.818570] 0 [ 306.820546] ? __lock_acquire+0x7ec/0x4ec0 [ 306.825631] Node 0 [ 306.827433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.831639] DMA: 1*4kB [ 306.833885] ? __lock_acquire+0x7ec/0x4ec0 [ 306.838965] (U) [ 306.841548] ? should_fail+0x22d/0xd01 [ 306.845770] 0*8kB [ 306.847766] ? mark_held_locks+0x130/0x130 [ 306.851629] 0*16kB [ 306.853777] ? mark_held_locks+0x130/0x130 [ 306.857989] 1*32kB (U) [ 306.860247] ? graph_lock+0x170/0x170 [ 306.864484] 2*64kB [ 306.867079] ? print_usage_bug+0xc0/0xc0 [ 306.870861] (U) [ 306.873098] ? graph_lock+0x170/0x170 [ 306.877141] 1*128kB [ 306.879125] ? print_usage_bug+0xc0/0xc0 [ 306.882901] (U) [ 306.885222] ? wq_watchdog_touch+0x9c/0xfe [ 306.889264] 1*256kB [ 306.891239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.895463] (U) [ 306.897799] ? check_preemption_disabled+0x48/0x200 [ 306.903330] 0*512kB [ 306.905303] ? check_preemption_disabled+0x48/0x200 [ 306.910292] 1*1024kB [ 306.912617] ? __lock_is_held+0xb5/0x140 [ 306.917604] (U) [ 306.920016] __alloc_pages_nodemask+0xa80/0xde0 [ 306.924064] 1*2048kB [ 306.926033] ? graph_lock+0x170/0x170 [ 306.930681] (M) [ 306.933095] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.936873] 3*4096kB [ 306.938844] ? graph_lock+0x170/0x170 [ 306.943838] (M) [ 306.946280] ? find_held_lock+0x36/0x1c0 [ 306.950070] = 15908kB [ 306.952050] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.956086] Node 0 [ 306.958512] ? lock_downgrade+0x900/0x900 [ 306.963152] DMA32: 4*4kB [ 306.965404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.969531] (M) [ 306.972296] cache_grow_begin+0x91/0x8c0 [ 306.977809] 1*8kB [ 306.979787] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.983817] (U) 3*16kB [ 306.985982] fallback_alloc+0x203/0x2e0 [ 306.990366] (UM) [ 306.992953] ____cache_alloc_node+0x1c7/0x1e0 [ 306.996905] 3*32kB [ 306.998975] kmem_cache_alloc_node+0xe3/0x730 [ 307.003437] (UM) 5*64kB [ 307.005695] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.010167] (UM) [ 307.012841] __alloc_skb+0x119/0x770 [ 307.017044] 3*128kB (M) [ 307.019118] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.022817] 3*256kB (M) [ 307.025492] ? skb_scrub_packet+0x490/0x490 [ 307.030740] 4*512kB (UM) 3*1024kB (UM) [ 307.033471] ? lock_downgrade+0x900/0x900 [ 307.037768] 1*2048kB [ 307.041739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.045862] (M) [ 307.048269] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.053782] 4*4096kB [ 307.055759] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.061178] (M) [ 307.063586] ? addrconf_rs_timer+0x690/0x690 [ 307.069024] = 25192kB [ 307.071005] ndisc_alloc_skb+0x144/0x340 [ 307.075383] Node 0 [ 307.077795] ndisc_send_rs+0x331/0x6e0 [ 307.081827] Normal: 824*4kB [ 307.084077] addrconf_rs_timer+0x314/0x690 [ 307.087940] (MEH) [ 307.090958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.095181] 371*8kB [ 307.097337] call_timer_fn+0x272/0x920 [ 307.101539] (ME) [ 307.103862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.107726] 164*16kB [ 307.109787] ? process_timeout+0x40/0x40 [ 307.114013] (ME) [ 307.116423] ? find_held_lock+0x36/0x1c0 [ 307.120469] 69*32kB [ 307.122539] ? __run_timers+0x7da/0xc70 [ 307.126589] (UMEH) [ 307.128910] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.132863] 28*64kB [ 307.135093] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.139579] (M) [ 307.141898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.146370] 1*128kB [ 307.148340] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.152544] (M) 0*256kB [ 307.154896] ? trace_hardirqs_on+0xbd/0x310 [ 307.159465] 0*512kB [ 307.162135] ? kasan_check_read+0x11/0x20 [ 307.166438] 1*1024kB [ 307.168773] ? __run_timers+0x7da/0xc70 [ 307.172896] (H) [ 307.175304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.179252] 0*2048kB 0*4096kB [ 307.181241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.186671] = 14040kB [ 307.189861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.194086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.196507] __run_timers+0x7e5/0xc70 [ 307.200727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.209559] ? find_held_lock+0x36/0x1c0 [ 307.213348] 146 total pagecache pages [ 307.221925] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.225967] 0 pages in swap cache [ 307.229762] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.235106] Swap cache stats: add 0, delete 0, find 0/0 [ 307.238567] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.243040] Free swap = 0kB [ 307.248407] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.252894] Total swap = 0kB [ 307.255911] ? trace_hardirqs_on+0xbd/0x310 [ 307.260490] 1965979 pages RAM [ 307.263506] ? kasan_check_read+0x11/0x20 [ 307.267816] 0 pages HighMem/MovableOnly [ 307.270921] ? finish_task_switch+0x1f5/0x900 [ 307.275046] 342307 pages reserved [ 307.279018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.283490] 0 pages cma reserved [ 307.283566] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.286951] ? compat_start_thread+0x80/0x80 [ 307.292494] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.295771] ? pvclock_read_flags+0x160/0x160 [ 307.302223] syz-executor3 cpuset= [ 307.306644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.317118] syz3 [ 307.321629] ? check_preemption_disabled+0x48/0x200 [ 307.325059] mems_allowed=0 [ 307.330610] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 307.346015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.351291] ? rcu_pm_notify+0xc0/0xc0 [ 307.355182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.360716] ? check_preemption_disabled+0x48/0x200 [ 307.365751] run_timer_softirq+0x52/0xb0 [ 307.369827] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.374847] __do_softirq+0x30b/0xad8 [ 307.378665] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.383776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.388548] ? schedule+0x108/0x460 [ 307.392187] ? trace_hardirqs_off+0xb8/0x310 [ 307.396600] ? smpboot_thread_fn+0x68b/0xa00 [ 307.401008] ? trace_hardirqs_on+0x310/0x310 [ 307.405425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.410987] ? check_preemption_disabled+0x48/0x200 [ 307.416009] ? takeover_tasklets+0xa90/0xa90 [ 307.420422] run_ksoftirqd+0x94/0x100 [ 307.424237] smpboot_thread_fn+0x68b/0xa00 [ 307.428483] ? sort_range+0x30/0x30 [ 307.432119] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.437224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.442800] ? __kthread_parkme+0xfb/0x1a0 [ 307.447054] kthread+0x35a/0x420 [ 307.450421] ? sort_range+0x30/0x30 [ 307.454057] ? kthread_bind+0x40/0x40 [ 307.457864] ret_from_fork+0x3a/0x50 [ 307.461600] CPU: 1 PID: 7422 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #66 [ 307.461693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.468805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.468824] Call Trace: [ 307.468830] [ 307.468849] dump_stack+0x1c4/0x2b4 [ 307.468885] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.475433] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.484747] warn_alloc.cold.119+0xb7/0x1bd [ 307.487318] ksoftirqd/0 cpuset= [ 307.489478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.493089] / [ 307.498285] ? lock_downgrade+0x900/0x900 [ 307.508578] mems_allowed=0 [ 307.512901] ? trace_hardirqs_off+0xb8/0x310 [ 307.534256] ? trace_hardirqs_off+0xb8/0x310 [ 307.538673] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.543543] ? warn_alloc+0x120/0x120 [ 307.547345] ? trace_hardirqs_on+0x310/0x310 [ 307.551756] ? warn_alloc+0x120/0x120 [ 307.555567] ? print_usage_bug+0xc0/0xc0 [ 307.559636] ? warn_alloc+0x120/0x120 [ 307.563435] ? ktime_get+0x2e1/0x440 [ 307.567160] ? print_usage_bug+0xc0/0xc0 [ 307.571224] ? __lock_acquire+0x7ec/0x4ec0 [ 307.575470] ? __lock_acquire+0x7ec/0x4ec0 [ 307.579732] ? kasan_check_read+0x11/0x20 [ 307.583886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.589474] ? should_fail+0x22d/0xd01 [ 307.593388] ? rcu_bh_qs+0xc0/0xc0 [ 307.596953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.602056] ? __lock_acquire+0x7ec/0x4ec0 [ 307.606293] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.611394] ? __lock_acquire+0x7ec/0x4ec0 [ 307.615629] ? should_fail+0x22d/0xd01 [ 307.619526] ? rcu_idle_enter+0x4b0/0x4b0 [ 307.623678] ? mark_held_locks+0x130/0x130 [ 307.627917] ? mark_held_locks+0x130/0x130 [ 307.632157] ? mark_held_locks+0xc7/0x130 [ 307.636307] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 307.641322] ? graph_lock+0x170/0x170 [ 307.645125] ? print_usage_bug+0xc0/0xc0 [ 307.649189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.654728] ? check_preemption_disabled+0x48/0x200 [ 307.659747] ? check_preemption_disabled+0x48/0x200 [ 307.664800] ? __lock_is_held+0xb5/0x140 [ 307.668868] __alloc_pages_nodemask+0xa80/0xde0 [ 307.673543] ? graph_lock+0x170/0x170 [ 307.677350] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.682366] ? graph_lock+0x170/0x170 [ 307.686189] ? find_held_lock+0x36/0x1c0 [ 307.690425] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.695110] ? lock_downgrade+0x900/0x900 [ 307.699277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.704820] cache_grow_begin+0x91/0x8c0 [ 307.708881] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.713298] fallback_alloc+0x203/0x2e0 [ 307.717286] ____cache_alloc_node+0x1c7/0x1e0 [ 307.721792] kmem_cache_alloc_node+0xe3/0x730 [ 307.726294] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.730537] __alloc_skb+0x119/0x770 [ 307.734261] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.739543] ? skb_scrub_packet+0x490/0x490 [ 307.743867] ? lock_downgrade+0x900/0x900 [ 307.748021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.753558] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.759015] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.764481] ? addrconf_rs_timer+0x690/0x690 [ 307.768906] ndisc_alloc_skb+0x144/0x340 [ 307.772974] ndisc_send_rs+0x331/0x6e0 [ 307.776868] addrconf_rs_timer+0x314/0x690 [ 307.781115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.785362] call_timer_fn+0x272/0x920 [ 307.789269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.793536] ? process_timeout+0x40/0x40 [ 307.797594] ? find_held_lock+0x36/0x1c0 [ 307.801664] ? __run_timers+0x7da/0xc70 [ 307.805648] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.810149] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.814647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.818886] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.823482] ? trace_hardirqs_on+0xbd/0x310 [ 307.827803] ? kasan_check_read+0x11/0x20 [ 307.831956] ? __run_timers+0x7da/0xc70 [ 307.835933] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.841391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.845631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.849880] __run_timers+0x7e5/0xc70 [ 307.853695] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.859084] ? __sanitizer_cov_trace_cmp8+0x18/0x20