_hardirqs_off+0x310/0x310 [ 330.096957] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 330.101979] ? prepare_exit_to_usermode+0x291/0x3b0 [ 330.107000] ? page_fault+0x8/0x30 [ 330.110546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.115395] ? page_fault+0x8/0x30 [ 330.118935] page_fault+0x1e/0x30 [ 330.122403] RIP: 0033:0x7fee04444dd3 [ 330.126122] Code: Bad RIP value. [ 330.129501] RSP: 002b:00007fff31fd79d8 EFLAGS: 00010246 [ 330.134871] RAX: 0000000000000000 RBX: 00007fff31fd7b80 RCX: 00007fee04444dd3 [ 330.142138] RDX: 0000000000000000 RSI: 00007fff31fd7d30 RDI: 000000000000000b [ 330.149410] RBP: 00007fff31fd7d30 R08: 00007fff31fd7db0 R09: 0000000000000001 [ 330.156681] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 330.163949] R13: 00007fff31fd8110 R14: 0000000000000000 R15: 0000000000000000 [ 330.171253] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 330.176613] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.178633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.188943] kworker/0:2 cpuset= [ 330.198288] Call Trace: [ 330.198300] [ 330.201573] / mems_allowed=0 [ 330.204170] dump_stack+0x1c4/0x2b4 [ 330.212922] ? dump_stack_print_info.cold.2+0x52/0x52 [ 330.218135] warn_alloc.cold.119+0xb7/0x1bd [ 330.222466] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.227318] ? lock_downgrade+0x900/0x900 [ 330.231484] ? trace_hardirqs_off+0xb8/0x310 [ 330.235901] ? trace_hardirqs_off+0xb8/0x310 [ 330.240318] __alloc_pages_slowpath+0x2667/0x2d80 [ 330.245198] ? warn_alloc+0x120/0x120 [ 330.249009] ? warn_alloc+0x120/0x120 [ 330.252818] ? print_usage_bug+0xc0/0xc0 [ 330.256885] ? warn_alloc+0x120/0x120 [ 330.260689] ? print_usage_bug+0xc0/0xc0 [ 330.264751] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 330.269771] ? ktime_get+0x2e1/0x440 [ 330.273493] ? check_preemption_disabled+0x48/0x200 [ 330.278515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.284056] ? should_fail+0x22d/0xd01 [ 330.287944] ? kasan_check_read+0x11/0x20 [ 330.292101] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.297380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.302488] ? __lock_acquire+0x7ec/0x4ec0 [ 330.306732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.311834] ? should_fail+0x22d/0xd01 [ 330.315740] ? mark_held_locks+0x130/0x130 [ 330.319981] ? mark_held_locks+0x130/0x130 [ 330.324219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.329770] ? graph_lock+0x170/0x170 [ 330.333571] ? mark_held_locks+0xc7/0x130 [ 330.337721] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 330.342739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.348283] ? check_preemption_disabled+0x48/0x200 [ 330.353299] ? check_preemption_disabled+0x48/0x200 [ 330.358331] ? __lock_is_held+0xb5/0x140 [ 330.362404] __alloc_pages_nodemask+0xa80/0xde0 [ 330.367249] ? graph_lock+0x170/0x170 [ 330.371057] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 330.376069] ? graph_lock+0x170/0x170 [ 330.379886] ? find_held_lock+0x36/0x1c0 [ 330.383958] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.388638] ? lock_downgrade+0x900/0x900 [ 330.392800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.398346] cache_grow_begin+0x91/0x8c0 [ 330.402410] ? do_raw_spin_unlock+0xa7/0x2f0 [ 330.406827] fallback_alloc+0x203/0x2e0 [ 330.410814] ____cache_alloc_node+0x1c7/0x1e0 [ 330.415321] kmem_cache_alloc_node+0xe3/0x730 [ 330.419822] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.424946] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.429547] __alloc_skb+0x119/0x770 [ 330.433264] ? calc_wheel_index+0x220/0x220 [ 330.437593] ? skb_scrub_packet+0x490/0x490 [ 330.441931] ? vprintk_default+0x28/0x30 [ 330.445995] ? vprintk_func+0x85/0x181 [ 330.449885] ? printk+0xa7/0xcf [ 330.453189] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 330.457952] ? try_to_wake_up+0x10a/0x12f0 [ 330.462197] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.467306] new_skb+0x26/0x1c0 [ 330.470590] aoecmd_cfg+0x279/0x7f0 [ 330.474228] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 330.478561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.484104] ? check_preemption_disabled+0x48/0x200 [ 330.489122] ? check_preemption_disabled+0x48/0x200 [ 330.494152] ? __lock_is_held+0xb5/0x140 [ 330.498224] discover_timer+0x50/0x60 [ 330.502047] call_timer_fn+0x272/0x920 [ 330.505936] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.510784] ? process_timeout+0x40/0x40 [ 330.514844] ? find_held_lock+0x36/0x1c0 [ 330.518917] ? __run_timers+0x7da/0xc70 [ 330.522896] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.527391] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.531888] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.536733] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.541319] ? trace_hardirqs_on+0xbd/0x310 [ 330.545646] ? kasan_check_read+0x11/0x20 [ 330.549805] ? __run_timers+0x7da/0xc70 [ 330.553780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.559253] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.564094] __run_timers+0x7e5/0xc70 [ 330.567914] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.573280] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.578296] ? graph_lock+0x170/0x170 [ 330.582104] ? enqueue_hrtimer+0x1a5/0x560 [ 330.586337] ? lock_release+0x970/0x970 [ 330.590315] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.595525] ? find_held_lock+0x36/0x1c0 [ 330.599598] ? graph_lock+0x170/0x170 [ 330.603402] ? pvclock_read_flags+0x160/0x160 [ 330.607900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.613453] ? check_preemption_disabled+0x48/0x200 [ 330.618490] ? __lock_is_held+0xb5/0x140 [ 330.622561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.628110] ? check_preemption_disabled+0x48/0x200 [ 330.633137] run_timer_softirq+0x52/0xb0 [ 330.637202] ? rcu_read_lock_sched_held+0x108/0x120 [ 330.642218] __do_softirq+0x30b/0xad8 [ 330.646029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 330.651143] ? pvclock_read_flags+0x160/0x160 [ 330.655643] ? lapic_next_event+0x5a/0x90 [ 330.659792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.665336] ? check_preemption_disabled+0x48/0x200 [ 330.670358] ? check_preemption_disabled+0x48/0x200 [ 330.675388] ? kvm_clock_read+0x18/0x30 [ 330.679365] ? kvm_sched_clock_read+0x9/0x20 [ 330.683783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.689326] ? check_preemption_disabled+0x48/0x200 [ 330.694361] irq_exit+0x17f/0x1c0 [ 330.697826] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.702670] ? smp_reschedule_interrupt+0x109/0x650 [ 330.707692] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.713581] ? interrupt_entry+0xb5/0xf0 [ 330.717647] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.722662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.727683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.732532] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.737547] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.742568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.748112] ? check_preemption_disabled+0x48/0x200 [ 330.753131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.758702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.763560] apic_timer_interrupt+0xf/0x20 [ 330.767794] [ 330.770039] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 330.774979] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 330.793881] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.801593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 330.808858] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 330.816124] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 330.823390] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 330.830661] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 330.837989] skb_clone+0x1bb/0x500 [ 330.841535] ? finish_task_switch+0x2f5/0x900 [ 330.846034] ? skb_split+0x11e0/0x11e0 [ 330.849928] ? preempt_notifier_register+0x200/0x200 [ 330.855035] ? __switch_to_asm+0x34/0x70 [ 330.859103] ? __switch_to_asm+0x34/0x70 [ 330.863166] ? __switch_to_asm+0x40/0x70 [ 330.867229] ? __switch_to_asm+0x34/0x70 [ 330.871288] ? __switch_to_asm+0x40/0x70 [ 330.875352] ? __switch_to_asm+0x34/0x70 [ 330.879415] ? __switch_to_asm+0x40/0x70 [ 330.883482] ? __switch_to_asm+0x34/0x70 [ 330.887549] ? __switch_to_asm+0x34/0x70 [ 330.891616] ? __switch_to_asm+0x40/0x70 [ 330.895677] ? __switch_to_asm+0x34/0x70 [ 330.899751] bpf_clone_redirect+0xb9/0x490 [ 330.903994] ? __schedule+0x874/0x1ed0 [ 330.907890] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 330.912916] ? __sched_text_start+0x8/0x8 [ 330.917085] ? find_held_lock+0x36/0x1c0 [ 330.921153] ? lock_acquire+0x1ed/0x520 [ 330.925128] ? bpf_test_run+0x3cb/0x780 [ 330.929105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.934646] ? check_preemption_disabled+0x48/0x200 [ 330.939676] ? kasan_check_read+0x11/0x20 [ 330.943830] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.949107] ? rcu_bh_qs+0xc0/0xc0 [ 330.952651] ? preempt_schedule+0x4d/0x60 [ 330.956813] ? ___preempt_schedule+0x16/0x18 [ 330.961232] ? bpf_test_run+0x25d/0x780 [ 330.965220] ? netlink_diag_dump+0x2a0/0x2a0 [ 330.969634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.975180] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 330.979945] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 330.984792] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.990327] ? fput+0x130/0x1a0 [ 330.993608] ? __bpf_prog_get+0x9b/0x290 [ 330.997673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.002519] ? bpf_prog_test_run+0x130/0x1a0 [ 331.006932] ? __x64_sys_bpf+0x3d8/0x520 [ 331.010998] ? bpf_prog_get+0x20/0x20 [ 331.014828] ? do_syscall_64+0x1b9/0x820 [ 331.018892] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.024270] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.029206] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.034223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.039238] ? recalc_sigpending_tsk+0x180/0x180 [ 331.044004] ? kasan_check_write+0x14/0x20 [ 331.048251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.053104] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.058493] warn_alloc_show_mem: 1 callbacks suppressed [ 331.058507] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 331.058509] Mem-Info: [ 331.058539] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 331.058539] active_file:14 inactive_file:13 isolated_file:0 [ 331.058539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.058539] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 331.058539] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 331.058539] free:13770 free_pcp:421 free_cma:0 [ 331.063890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.070998] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 331.073406] Workqueue: events_power_efficient neigh_periodic_work [ 331.106438] Node 0 [ 331.143398] 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 [ 331.149622] Call Trace: [ 331.151849] lowmem_reserve[]: [ 331.177362] dump_stack+0x1c4/0x2b4 [ 331.179910] 0 [ 331.183018] ? dump_stack_print_info.cold.2+0x52/0x52 [ 331.186621] 2819 [ 331.188431] warn_alloc.cold.119+0xb7/0x1bd [ 331.193581] 6323 [ 331.195642] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.199935] 6323 [ 331.201996] ? lock_downgrade+0x900/0x900 [ 331.208878] ? trace_hardirqs_off+0xb8/0x310 [ 331.212998] Node 0 DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 331.217431] ? trace_hardirqs_off+0xb8/0x310 [ 331.217466] __alloc_pages_slowpath+0x2667/0x2d80 [ 331.245207] lowmem_reserve[]: [ 331.249659] ? warn_alloc+0x120/0x120 [ 331.254435] 0 [ 331.257542] ? cpuacct_charge+0x265/0x440 [ 331.261320] 0 [ 331.263114] ? warn_alloc+0x120/0x120 [ 331.267237] 3503 [ 331.269038] ? print_usage_bug+0xc0/0xc0 [ 331.272816] 3503 [ 331.274877] ? warn_alloc+0x120/0x120 [ 331.281003] ? print_usage_bug+0xc0/0xc0 [ 331.284776] Node 0 [ 331.288827] ? __lock_acquire+0x7ec/0x4ec0 [ 331.288864] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:456kB free_cma:0kB [ 331.291070] ? lock_downgrade+0x900/0x900 [ 331.295278] lowmem_reserve[]: [ 331.323749] ? check_preemption_disabled+0x48/0x200 [ 331.327868] 0 [ 331.330970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.335962] 0 [ 331.337763] ? should_fail+0x22d/0xd01 [ 331.343271] 0 [ 331.345073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.348936] 0 [ 331.350739] ? __lock_acquire+0x7ec/0x4ec0 [ 331.357617] ? __lock_acquire+0x7ec/0x4ec0 [ 331.361829] Node 0 [ 331.366058] ? should_fail+0x22d/0xd01 [ 331.366069] DMA: [ 331.368310] ? mark_held_locks+0x130/0x130 [ 331.372167] 1*4kB [ 331.374229] ? mark_held_locks+0x130/0x130 [ 331.378436] (U) [ 331.380590] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.384802] 0*8kB [ 331.386778] ? update_load_avg+0x2470/0x2470 [ 331.391767] 0*16kB [ 331.393909] ? graph_lock+0x170/0x170 [ 331.398296] 1*32kB [ 331.400527] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.404300] (U) [ 331.406533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.411085] 2*64kB [ 331.413063] ? check_preemption_disabled+0x48/0x200 [ 331.418574] (U) [ 331.420807] ? check_preemption_disabled+0x48/0x200 [ 331.425797] 1*128kB [ 331.427779] ? __lock_is_held+0xb5/0x140 [ 331.432765] (U) [ 331.435087] __alloc_pages_nodemask+0xa80/0xde0 [ 331.439117] 1*256kB [ 331.441084] ? graph_lock+0x170/0x170 [ 331.445726] (U) [ 331.448050] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 331.451817] 0*512kB 1*1024kB [ 331.453794] ? graph_lock+0x170/0x170 [ 331.458787] (U) [ 331.461893] ? find_held_lock+0x36/0x1c0 [ 331.465657] 1*2048kB (M) [ 331.467647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.471677] 3*4096kB [ 331.474427] ? lock_downgrade+0x900/0x900 [ 331.479071] (M) [ 331.481493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.486039] = 15908kB [ 331.488011] cache_grow_begin+0x91/0x8c0 [ 331.493518] Node 0 [ 331.495923] ? do_raw_spin_unlock+0xa7/0x2f0 [ 331.500416] DMA32: 5*4kB [ 331.502680] fallback_alloc+0x203/0x2e0 [ 331.507054] (UMH) [ 331.509812] ____cache_alloc_node+0x1c7/0x1e0 [ 331.513758] 2*8kB [ 331.515907] kmem_cache_alloc_node+0xe3/0x730 [ 331.520376] (MH) [ 331.522522] ? graph_lock+0x170/0x170 [ 331.526996] 3*16kB [ 331.529058] ? __sched_text_start+0x8/0x8 [ 331.532835] (MH) [ 331.535080] __alloc_skb+0x119/0x770 [ 331.539197] 3*32kB [ 331.541254] ? graph_lock+0x170/0x170 [ 331.544945] (MH) [ 331.547177] ? rcu_is_watching+0x30/0x30 [ 331.550948] 5*64kB (MH) [ 331.553017] ? skb_scrub_packet+0x490/0x490 [ 331.557047] 3*128kB (M) [ 331.559721] ? find_held_lock+0x36/0x1c0 [ 331.564018] 5*256kB [ 331.566691] ? neigh_periodic_work+0x8ca/0xc60 [ 331.570716] (UMH) [ 331.573037] ? lock_downgrade+0x900/0x900 [ 331.577593] 5*512kB [ 331.579736] ? lock_release+0x970/0x970 [ 331.583860] (UMH) [ 331.586188] __neigh_notify+0x8c/0x160 [ 331.590130] 4*1024kB [ 331.592277] neigh_cleanup_and_release+0x7b/0xe0 [ 331.596132] (UMH) [ 331.598543] neigh_periodic_work+0x8d2/0xc60 [ 331.603272] 2*2048kB [ 331.605423] ? neigh_table_clear+0x390/0x390 [ 331.609795] (M) [ 331.612204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.616590] 3*4096kB [ 331.618563] ? check_preemption_disabled+0x48/0x200 [ 331.624071] (M) [ 331.626487] ? check_preemption_disabled+0x48/0x200 [ 331.631482] = 25204kB [ 331.633467] ? __lock_is_held+0xb5/0x140 [ 331.638454] Node 0 [ 331.640880] process_one_work+0xc90/0x1b90 [ 331.644903] Normal: [ 331.647137] ? mark_held_locks+0x130/0x130 [ 331.651346] 990*4kB [ 331.653669] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 331.657869] (UMEH) [ 331.660188] ? __switch_to_asm+0x40/0x70 [ 331.664827] 505*8kB [ 331.667058] ? __switch_to_asm+0x40/0x70 [ 331.671094] (MEH) [ 331.673413] ? __switch_to_asm+0x34/0x70 [ 331.677455] 189*16kB [ 331.679602] ? __switch_to_asm+0x40/0x70 [ 331.683636] (MEH) [ 331.686047] ? __switch_to_asm+0x34/0x70 [ 331.690083] 66*32kB [ 331.692226] ? __switch_to_asm+0x40/0x70 [ 331.696261] (UMH) [ 331.698579] ? __switch_to_asm+0x34/0x70 [ 331.702616] 0*64kB [ 331.704758] ? __switch_to_asm+0x40/0x70 [ 331.708794] 1*128kB [ 331.711031] ? __schedule+0x874/0x1ed0 [ 331.715067] (H) [ 331.717384] ? __switch_to_asm+0x34/0x70 [ 331.721250] 1*256kB [ 331.723220] ? __switch_to_asm+0x40/0x70 [ 331.727947] (H) [ 331.730280] ? kasan_check_read+0x11/0x20 [ 331.734303] 1*512kB [ 331.736276] ? graph_lock+0x170/0x170 [ 331.740398] (H) [ 331.742729] ? __sched_text_start+0x8/0x8 [ 331.746508] 0*1024kB 0*2048kB [ 331.748494] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.752607] 0*4096kB = 14032kB [ 331.755848] ? retint_kernel+0x2d/0x2d [ 331.760411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 331.763596] ? find_held_lock+0x36/0x1c0 [ 331.767473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 331.776307] ? lock_acquire+0x1ed/0x520 [ 331.780337] 5170 total pagecache pages [ 331.788908] ? worker_thread+0x3e0/0x1390 [ 331.792867] 0 pages in swap cache [ 331.796747] ? lock_release+0x970/0x970 [ 331.800869] Swap cache stats: add 0, delete 0, find 0/0 [ 331.804311] ? trace_hardirqs_off+0xb8/0x310 [ 331.808261] Free swap = 0kB [ 331.813619] ? kasan_check_read+0x11/0x20 [ 331.817998] Total swap = 0kB [ 331.821010] ? worker_thread+0x3e0/0x1390 [ 331.825136] 1965979 pages RAM [ 331.828147] ? trace_hardirqs_on+0x310/0x310 [ 331.832267] 0 pages HighMem/MovableOnly [ 331.835373] ? kasan_check_write+0x14/0x20 [ 331.839754] 342306 pages reserved [ 331.843722] ? do_raw_spin_lock+0xc1/0x200 [ 331.847933] 0 pages cma reserved [ 331.851382] worker_thread+0x17f/0x1390 [ 331.855697] aoe: skb alloc failure [ 331.858951] ? __switch_to_asm+0x34/0x70 [ 331.862983] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.866454] ? process_one_work+0x1b90/0x1b90 [ 331.870484] syz-executor2 cpuset= [ 331.880977] ? graph_lock+0x170/0x170 [ 331.885442] syz2 [ 331.888898] ? graph_lock+0x170/0x170 [ 331.892681] mems_allowed=0 [ 331.894652] ? find_held_lock+0x36/0x1c0 [ 331.905427] ? find_held_lock+0x36/0x1c0 [ 331.909514] ? __kthread_parkme+0xce/0x1a0 [ 331.913757] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.918866] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.923970] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.928559] ? trace_hardirqs_on+0xbd/0x310 [ 331.932883] ? kasan_check_read+0x11/0x20 [ 331.937034] ? __kthread_parkme+0xce/0x1a0 [ 331.941271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.946728] ? kasan_check_write+0x14/0x20 [ 331.950971] ? do_raw_spin_lock+0xc1/0x200 [ 331.955218] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.960323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.965864] ? __kthread_parkme+0xfb/0x1a0 [ 331.970111] kthread+0x35a/0x420 [ 331.973490] ? process_one_work+0x1b90/0x1b90 [ 331.978000] ? kthread_bind+0x40/0x40 [ 331.981820] ret_from_fork+0x3a/0x50 [ 331.985552] Mem-Info: [ 331.985565] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 331.985577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.987991] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 331.987991] active_file:14 inactive_file:13 isolated_file:0 [ 331.987991] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.987991] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 331.987991] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 331.987991] free:13770 free_pcp:421 free_cma:0 [ 331.995324] Call Trace: [ 332.004717] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.037744] [ 332.040317] Node 0 [ 332.067917] dump_stack+0x1c4/0x2b4 [ 332.070070] 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 [ 332.072283] ? dump_stack_print_info.cold.2+0x52/0x52 [ 332.075882] lowmem_reserve[]: [ 332.101404] warn_alloc.cold.119+0xb7/0x1bd [ 332.106554] 0 [ 332.109659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.113951] 2819 [ 332.115753] ? lock_downgrade+0x900/0x900 [ 332.120567] 6323 [ 332.122630] ? trace_hardirqs_off+0xb8/0x310 [ 332.126740] 6323 [ 332.128810] ? trace_hardirqs_off+0xb8/0x310 [ 332.133225] Node 0 [ 332.135289] __alloc_pages_slowpath+0x2667/0x2d80 [ 332.139693] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 332.141930] ? warn_alloc+0x120/0x120 [ 332.146720] lowmem_reserve[]: [ 332.173698] ? warn_alloc+0x120/0x120 [ 332.177477] 0 0 [ 332.180587] ? print_usage_bug+0xc0/0xc0 [ 332.184361] 3503 3503 [ 332.186340] ? warn_alloc+0x120/0x120 [ 332.192870] ? print_usage_bug+0xc0/0xc0 [ 332.196649] Node 0 [ 332.200701] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 332.200739] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 332.202945] ? ktime_get+0x2e1/0x440 [ 332.207939] lowmem_reserve[]: [ 332.236392] ? check_preemption_disabled+0x48/0x200 [ 332.240077] 0 [ 332.243179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.248161] 0 0 [ 332.249974] ? should_fail+0x22d/0xd01 [ 332.255487] 0 [ 332.257474] ? kasan_check_read+0x11/0x20 [ 332.261341] Node 0 [ 332.263142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.267257] DMA: 1*4kB [ 332.269502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.274753] (U) [ 332.277333] ? __lock_acquire+0x7ec/0x4ec0 [ 332.282415] 0*8kB [ 332.284396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.288594] 0*16kB 1*32kB [ 332.290753] ? should_fail+0x22d/0xd01 [ 332.295838] (U) [ 332.298689] ? mark_held_locks+0x130/0x130 [ 332.302543] 2*64kB [ 332.304512] ? mark_held_locks+0x130/0x130 [ 332.308721] (U) [ 332.310959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.315166] 1*128kB [ 332.317140] ? graph_lock+0x170/0x170 [ 332.322646] (U) [ 332.324974] ? mark_held_locks+0xc7/0x130 [ 332.328741] 1*256kB (U) [ 332.330720] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 332.334843] 0*512kB [ 332.337508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.342500] 1*1024kB [ 332.344824] ? check_preemption_disabled+0x48/0x200 [ 332.350324] (U) 1*2048kB [ 332.352738] ? check_preemption_disabled+0x48/0x200 [ 332.357728] (M) [ 332.360491] ? __lock_is_held+0xb5/0x140 [ 332.365952] 3*4096kB (M) [ 332.367962] __alloc_pages_nodemask+0xa80/0xde0 [ 332.371991] = 15908kB [ 332.374740] ? graph_lock+0x170/0x170 [ 332.379384] Node 0 [ 332.381792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 332.385568] DMA32: [ 332.387799] ? graph_lock+0x170/0x170 [ 332.392792] 5*4kB [ 332.395033] ? find_held_lock+0x36/0x1c0 [ 332.398804] (UMH) [ 332.400955] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.404985] 2*8kB [ 332.407135] ? lock_downgrade+0x900/0x900 [ 332.411779] (MH) [ 332.413931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.418050] 3*16kB [ 332.420109] cache_grow_begin+0x91/0x8c0 [ 332.425617] (MH) [ 332.427848] ? do_raw_spin_unlock+0xa7/0x2f0 [ 332.431882] 3*32kB [ 332.433947] fallback_alloc+0x203/0x2e0 [ 332.438327] (MH) [ 332.440564] ____cache_alloc_node+0x1c7/0x1e0 [ 332.444508] 5*64kB (MH) [ 332.446576] kmem_cache_alloc_node+0xe3/0x730 [ 332.451042] 3*128kB [ 332.453713] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 332.458178] (M) [ 332.460498] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.465569] 5*256kB (UMH) [ 332.467556] __alloc_skb+0x119/0x770 [ 332.472104] 5*512kB (UMH) [ 332.474952] ? calc_wheel_index+0x220/0x220 [ 332.478639] 4*1024kB [ 332.481499] ? skb_scrub_packet+0x490/0x490 [ 332.485797] (UMH) [ 332.488209] ? vprintk_default+0x28/0x30 [ 332.492495] 2*2048kB (M) [ 332.494646] ? vprintk_func+0x85/0x181 [ 332.498684] 3*4096kB [ 332.501431] ? printk+0xa7/0xcf [ 332.505315] (M) [ 332.507717] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 332.510971] = 25204kB [ 332.510977] Node 0 [ 332.512945] ? try_to_wake_up+0x10a/0x12f0 [ 332.517674] Normal: [ 332.520082] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 332.522294] 990*4kB [ 332.526523] new_skb+0x26/0x1c0 [ 332.528906] (UMEH) [ 332.534008] aoecmd_cfg+0x279/0x7f0 [ 332.536311] 505*8kB [ 332.539589] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 332.541797] (MEH) [ 332.545421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.547719] 189*16kB [ 332.552034] ? check_preemption_disabled+0x48/0x200 [ 332.554153] (MEH) [ 332.559685] ? check_preemption_disabled+0x48/0x200 [ 332.562065] 66*32kB (UMH) [ 332.567088] ? __lock_is_held+0xb5/0x140 [ 332.569206] 0*64kB [ 332.574218] discover_timer+0x50/0x60 [ 332.577032] 1*128kB [ 332.581089] call_timer_fn+0x272/0x920 [ 332.583300] (H) [ 332.587091] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 332.589411] 1*256kB [ 332.593292] ? process_timeout+0x40/0x40 [ 332.595242] (H) [ 332.600076] ? find_held_lock+0x36/0x1c0 [ 332.602371] 1*512kB (H) [ 332.606437] ? __run_timers+0x7da/0xc70 [ 332.608406] 0*1024kB [ 332.612469] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.615122] 0*2048kB [ 332.619089] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.621484] 0*4096kB [ 332.625980] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 332.628357] = 14032kB [ 332.628372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.632854] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.635248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.640076] ? trace_hardirqs_on+0xbd/0x310 [ 332.642475] 5170 total pagecache pages [ 332.651301] ? kasan_check_read+0x11/0x20 [ 332.655863] 0 pages in swap cache [ 332.664426] ? __run_timers+0x7da/0xc70 [ 332.668729] Swap cache stats: add 0, delete 0, find 0/0 [ 332.672605] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.676725] Free swap = 0kB [ 332.680178] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 332.684121] Total swap = 0kB [ 332.689491] __run_timers+0x7e5/0xc70 [ 332.694916] 1965979 pages RAM [ 332.697936] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 332.702746] 0 pages HighMem/MovableOnly [ 332.705765] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.709532] 342306 pages reserved [ 332.709541] 0 pages cma reserved [ 332.712641] ? graph_lock+0x170/0x170 [ 332.723634] Mem-Info: [ 332.726955] ? enqueue_hrtimer+0x1a5/0x560 [ 332.730414] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 332.730414] active_file:14 inactive_file:13 isolated_file:0 [ 332.730414] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.730414] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 332.730414] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 332.730414] free:13770 free_pcp:421 free_cma:0 [ 332.733740] ? lock_release+0x970/0x970 [ 332.733756] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 332.733780] ? find_held_lock+0x36/0x1c0 [ 332.737590] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.739967] ? graph_lock+0x170/0x170 [ 332.744209] Node 0 [ 332.777252] ? pvclock_read_flags+0x160/0x160 [ 332.777268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.777285] ? check_preemption_disabled+0x48/0x200 [ 332.777310] ? __lock_is_held+0xb5/0x140 [ 332.781315] 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 [ 332.786443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.790494] lowmem_reserve[]: [ 332.818072] ? check_preemption_disabled+0x48/0x200 [ 332.818096] run_timer_softirq+0x52/0xb0 [ 332.818113] ? rcu_read_lock_sched_held+0x108/0x120 [ 332.821922] 0 [ 332.824129] __do_softirq+0x30b/0xad8 [ 332.828596] 2819 [ 332.834131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 332.834154] ? pvclock_read_flags+0x160/0x160 [ 332.839151] 6323 [ 332.843199] ? lapic_next_event+0x5a/0x90 [ 332.843214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.843235] ? check_preemption_disabled+0x48/0x200 [ 332.868745] 6323 [ 332.874243] ? check_preemption_disabled+0x48/0x200 [ 332.874265] ? kvm_clock_read+0x18/0x30 [ 332.874282] ? kvm_sched_clock_read+0x9/0x20 [ 332.882418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.882455] ? check_preemption_disabled+0x48/0x200 [ 332.882494] irq_exit+0x17f/0x1c0 [ 332.886548] Node 0 [ 332.891553] smp_apic_timer_interrupt+0x1cb/0x760 [ 332.891565] ? smp_reschedule_interrupt+0x109/0x650 [ 332.891584] ? smp_call_function_single_interrupt+0x650/0x650 [ 332.893399] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 332.897166] ? interrupt_entry+0xb5/0xf0 [ 332.899204] lowmem_reserve[]: [ 332.904299] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.904313] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.904333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.908805] 0 [ 332.910863] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.915025] 0 [ 332.920522] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.920539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.925561] 3503 [ 332.927598] ? check_preemption_disabled+0x48/0x200 [ 332.932623] 3503 [ 332.936557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.936580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.946503] apic_timer_interrupt+0xf/0x20 [ 332.946511] [ 332.946529] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 332.946550] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 332.951574] Node 0 [ 332.954989] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 332.957252] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 332.962047] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 332.962056] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 332.962064] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 332.962072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 332.962085] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 332.967085] lowmem_reserve[]: [ 332.972995] skb_clone+0x1bb/0x500 [ 332.999978] 0 [ 333.004008] ? finish_task_switch+0x2f5/0x900 [ 333.004026] ? skb_split+0x11e0/0x11e0 [ 333.004043] ? preempt_notifier_register+0x200/0x200 [ 333.007134] 0 [ 333.012139] ? __switch_to_asm+0x34/0x70 [ 333.012154] ? __switch_to_asm+0x34/0x70 [ 333.012186] ? __switch_to_asm+0x40/0x70 [ 333.017194] 0 [ 333.022025] ? __switch_to_asm+0x34/0x70 [ 333.022039] ? __switch_to_asm+0x40/0x70 [ 333.022052] ? __switch_to_asm+0x34/0x70 [ 333.022070] ? __switch_to_asm+0x40/0x70 [ 333.023853] 0 [ 333.028862] ? __switch_to_asm+0x34/0x70 [ 333.028879] ? __switch_to_asm+0x34/0x70 [ 333.035664] ? __switch_to_asm+0x40/0x70 [ 333.035678] ? __switch_to_asm+0x34/0x70 [ 333.035711] bpf_clone_redirect+0xb9/0x490 [ 333.041255] Node 0 [ 333.043284] ? __schedule+0x874/0x1ed0 [ 333.048273] DMA: [ 333.050334] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 333.055872] 1*4kB [ 333.060680] ? __sched_text_start+0x8/0x8 [ 333.064918] (U) [ 333.067138] ? find_held_lock+0x36/0x1c0 [ 333.072066] 0*8kB [ 333.090939] ? lock_acquire+0x1ed/0x520 [ 333.090953] ? bpf_test_run+0x3cb/0x780 [ 333.090988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.093236] 0*16kB [ 333.100914] ? check_preemption_disabled+0x48/0x200 [ 333.129370] 1*32kB [ 333.136614] ? kasan_check_read+0x11/0x20 [ 333.136632] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.136649] ? rcu_bh_qs+0xc0/0xc0 [ 333.143928] (U) [ 333.151165] ? preempt_schedule+0x4d/0x60 [ 333.151181] ? ___preempt_schedule+0x16/0x18 [ 333.151202] ? bpf_test_run+0x25d/0x780 [ 333.158463] 2*64kB [ 333.166605] ? netlink_diag_dump+0x2a0/0x2a0 [ 333.166628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.169712] (U) [ 333.173250] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 333.173275] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.175065] 1*128kB [ 333.179546] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.179561] ? fput+0x130/0x1a0 [ 333.183476] (U) [ 333.188544] ? __bpf_prog_get+0x9b/0x290 [ 333.190326] 1*256kB [ 333.194375] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.194388] ? bpf_prog_test_run+0x130/0x1a0 [ 333.194406] ? __x64_sys_bpf+0x3d8/0x520 [ 333.198460] (U) [ 333.202511] ? bpf_prog_get+0x20/0x20 [ 333.202546] ? do_syscall_64+0x1b9/0x820 [ 333.204333] 0*512kB [ 333.208386] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.208404] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.212484] 1*1024kB [ 333.216505] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.220541] (U) [ 333.222334] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 333.222348] ? recalc_sigpending_tsk+0x180/0x180 [ 333.222369] ? kasan_check_write+0x14/0x20 [ 333.226408] 1*2048kB [ 333.230473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.234544] (M) [ 333.238577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.242815] 3*4096kB [ 333.245086] aoe: skb alloc failure [ 333.248882] (M) [ 333.250960] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.256116] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.258066] syz-executor2 cpuset= [ 333.262201] init cpuset= [ 333.264165] syz2 mems_allowed=0 [ 333.471254] / mems_allowed=0 [ 333.474537] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 333.484886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.494236] Call Trace: [ 333.497288] [ 333.499462] dump_stack+0x1c4/0x2b4 [ 333.503099] ? dump_stack_print_info.cold.2+0x52/0x52 [ 333.508310] warn_alloc.cold.119+0xb7/0x1bd [ 333.512634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.517492] ? lock_downgrade+0x900/0x900 [ 333.521652] ? trace_hardirqs_off+0xb8/0x310 [ 333.526071] ? trace_hardirqs_off+0xb8/0x310 [ 333.530497] __alloc_pages_slowpath+0x2667/0x2d80 [ 333.535374] ? warn_alloc+0x120/0x120 [ 333.539181] ? __lock_acquire+0x7ec/0x4ec0 [ 333.543418] ? warn_alloc+0x120/0x120 [ 333.547230] ? print_usage_bug+0xc0/0xc0 [ 333.551291] ? warn_alloc+0x120/0x120 [ 333.555096] ? print_usage_bug+0xc0/0xc0 [ 333.559161] ? mark_held_locks+0x130/0x130 [ 333.563397] ? mark_held_locks+0x130/0x130 [ 333.567634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.573171] ? should_fail+0x22d/0xd01 [ 333.577062] ? graph_lock+0x170/0x170 [ 333.580867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.585984] ? __lock_acquire+0x7ec/0x4ec0 [ 333.590226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.595332] ? should_fail+0x22d/0xd01 [ 333.599234] ? mark_held_locks+0x130/0x130 [ 333.603479] ? mark_held_locks+0x130/0x130 [ 333.607714] ? lock_downgrade+0x900/0x900 [ 333.611866] ? graph_lock+0x170/0x170 [ 333.615664] ? graph_lock+0x170/0x170 [ 333.619470] ? graph_lock+0x170/0x170 [ 333.623272] ? print_usage_bug+0xc0/0xc0 [ 333.627336] ? do_raw_spin_unlock+0xa7/0x2f0 [ 333.631766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.637304] ? check_preemption_disabled+0x48/0x200 [ 333.642323] ? check_preemption_disabled+0x48/0x200 [ 333.647353] ? __lock_is_held+0xb5/0x140 [ 333.651421] __alloc_pages_nodemask+0xa80/0xde0 [ 333.656098] ? graph_lock+0x170/0x170 [ 333.659903] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 333.664920] ? graph_lock+0x170/0x170 [ 333.668736] ? find_held_lock+0x36/0x1c0 [ 333.672812] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.677485] ? lock_downgrade+0x900/0x900 [ 333.681645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.687191] cache_grow_begin+0x91/0x8c0 [ 333.691258] ? do_raw_spin_unlock+0xa7/0x2f0 [ 333.695676] fallback_alloc+0x203/0x2e0 [ 333.699658] ____cache_alloc_node+0x1c7/0x1e0 [ 333.704164] kmem_cache_alloc_node+0xe3/0x730 [ 333.708662] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.713764] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.718359] __alloc_skb+0x119/0x770 [ 333.722076] ? calc_wheel_index+0x220/0x220 [ 333.726405] ? skb_scrub_packet+0x490/0x490 [ 333.730742] ? vprintk_default+0x28/0x30 [ 333.734806] ? vprintk_func+0x85/0x181 [ 333.738699] ? printk+0xa7/0xcf [ 333.741981] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.746738] ? try_to_wake_up+0x10a/0x12f0 [ 333.750982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.756098] new_skb+0x26/0x1c0 [ 333.759384] aoecmd_cfg+0x279/0x7f0 [ 333.763018] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 333.767353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.772898] ? check_preemption_disabled+0x48/0x200 [ 333.777917] ? check_preemption_disabled+0x48/0x200 [ 333.782949] ? __lock_is_held+0xb5/0x140 [ 333.787028] discover_timer+0x50/0x60 [ 333.790831] call_timer_fn+0x272/0x920 [ 333.794727] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.799577] ? process_timeout+0x40/0x40 [ 333.803640] ? find_held_lock+0x36/0x1c0 [ 333.807710] ? __run_timers+0x7da/0xc70 [ 333.811695] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.816195] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.820687] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.825528] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.830111] ? trace_hardirqs_on+0xbd/0x310 [ 333.834433] ? kasan_check_read+0x11/0x20 [ 333.838587] ? __run_timers+0x7da/0xc70 [ 333.842565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.848033] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.852875] __run_timers+0x7e5/0xc70 [ 333.856693] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.862063] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.867083] ? graph_lock+0x170/0x170 [ 333.870887] ? enqueue_hrtimer+0x1a5/0x560 [ 333.875118] ? lock_release+0x970/0x970 [ 333.879097] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.884292] ? find_held_lock+0x36/0x1c0 [ 333.888360] ? graph_lock+0x170/0x170 [ 333.892164] ? pvclock_read_flags+0x160/0x160 [ 333.896660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.902198] ? check_preemption_disabled+0x48/0x200 [ 333.907228] ? __lock_is_held+0xb5/0x140 [ 333.911295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.916833] ? check_preemption_disabled+0x48/0x200 [ 333.921859] run_timer_softirq+0x52/0xb0 [ 333.925923] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.930943] __do_softirq+0x30b/0xad8 [ 333.934761] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 333.939870] ? pvclock_read_flags+0x160/0x160 [ 333.944369] ? lapic_next_event+0x5a/0x90 [ 333.948522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.954058] ? check_preemption_disabled+0x48/0x200 [ 333.959080] ? check_preemption_disabled+0x48/0x200 [ 333.964106] ? kvm_clock_read+0x18/0x30 [ 333.968097] ? kvm_sched_clock_read+0x9/0x20 [ 333.972522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.978064] ? check_preemption_disabled+0x48/0x200 [ 333.983096] irq_exit+0x17f/0x1c0 [ 333.986554] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.991397] ? smp_reschedule_interrupt+0x109/0x650 [ 333.996414] ? smp_call_function_single_interrupt+0x650/0x650 [ 334.002309] ? interrupt_entry+0xb5/0xf0 [ 334.006371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.011386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.016404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.021249] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.026265] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.031285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.036825] ? check_preemption_disabled+0x48/0x200 [ 334.041844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.047388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.052239] apic_timer_interrupt+0xf/0x20 [ 334.056477] [ 334.058722] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 334.063657] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 334.082556] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 334.090270] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 334.097536] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 334.104805] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 334.112072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 334.119340] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 334.126659] skb_clone+0x1bb/0x500 [ 334.130205] ? finish_task_switch+0x2f5/0x900 [ 334.134707] ? skb_split+0x11e0/0x11e0 [ 334.138599] ? preempt_notifier_register+0x200/0x200 [ 334.143708] ? __switch_to_asm+0x34/0x70 [ 334.147775] ? __switch_to_asm+0x34/0x70 [ 334.151842] ? __switch_to_asm+0x40/0x70 [ 334.155906] ? __switch_to_asm+0x34/0x70 [ 334.159966] ? __switch_to_asm+0x40/0x70 [ 334.164030] ? __switch_to_asm+0x34/0x70 [ 334.168096] ? __switch_to_asm+0x40/0x70 [ 334.172155] ? __switch_to_asm+0x34/0x70 [ 334.176220] ? __switch_to_asm+0x34/0x70 [ 334.180282] ? __switch_to_asm+0x40/0x70 [ 334.184365] ? __switch_to_asm+0x34/0x70 [ 334.188463] bpf_clone_redirect+0xb9/0x490 [ 334.192702] ? __schedule+0x874/0x1ed0 [ 334.196597] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 334.201614] ? __sched_text_start+0x8/0x8 [ 334.205777] ? find_held_lock+0x36/0x1c0 [ 334.209849] ? lock_acquire+0x1ed/0x520 [ 334.213822] ? bpf_test_run+0x3cb/0x780 [ 334.217798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.223340] ? check_preemption_disabled+0x48/0x200 [ 334.228367] ? kasan_check_read+0x11/0x20 [ 334.232519] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 334.237802] ? rcu_bh_qs+0xc0/0xc0 [ 334.241343] ? preempt_schedule+0x4d/0x60 [ 334.245498] ? ___preempt_schedule+0x16/0x18 [ 334.249941] ? bpf_test_run+0x25d/0x780 [ 334.253936] ? netlink_diag_dump+0x2a0/0x2a0 [ 334.258351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.263901] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 334.268666] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.273510] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.279044] ? fput+0x130/0x1a0 [ 334.282325] ? __bpf_prog_get+0x9b/0x290 [ 334.286388] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.291229] ? bpf_prog_test_run+0x130/0x1a0 [ 334.295640] ? __x64_sys_bpf+0x3d8/0x520 [ 334.299705] ? bpf_prog_get+0x20/0x20 [ 334.303529] ? do_syscall_64+0x1b9/0x820 [ 334.307592] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 334.312957] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.317894] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.322911] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 334.327929] ? recalc_sigpending_tsk+0x180/0x180 [ 334.332688] ? kasan_check_write+0x14/0x20 [ 334.336928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.341782] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.347171] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #129 [ 334.347176] warn_alloc_show_mem: 1 callbacks suppressed [ 334.347183] Mem-Info: [ 334.353409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.353417] Call Trace: [ 334.358789] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 334.358789] active_file:14 inactive_file:13 isolated_file:0 [ 334.358789] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.358789] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 334.358789] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 334.358789] free:13770 free_pcp:421 free_cma:0 [ 334.361162] [ 334.370658] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.373250] dump_stack+0x1c4/0x2b4 [ 334.406276] Node 0 [ 334.408427] ? dump_stack_print_info.cold.2+0x52/0x52 [ 334.436013] 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 [ 334.439623] warn_alloc.cold.119+0xb7/0x1bd [ 334.441823] lowmem_reserve[]: [ 334.447013] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.472488] 0 [ 334.476804] ? lock_downgrade+0x900/0x900 [ 334.479881] 2819 [ 334.484719] ? trace_hardirqs_off+0xb8/0x310 [ 334.486496] 6323 [ 334.490639] ? trace_hardirqs_off+0xb8/0x310 [ 334.492671] 6323 [ 334.497090] __alloc_pages_slowpath+0x2667/0x2d80 [ 334.499126] Node 0 [ 334.503552] ? warn_alloc+0x120/0x120 [ 334.505592] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.510402] ? warn_alloc+0x120/0x120 [ 334.512609] lowmem_reserve[]: 0 [ 334.516410] ? print_usage_bug+0xc0/0xc0 [ 334.543539] 0 3503 [ 334.547344] ? warn_alloc+0x120/0x120 [ 334.550596] 3503 [ 334.554655] ? print_usage_bug+0xc0/0xc0 [ 334.556871] Node 0 [ 334.560673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.562734] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:456kB free_cma:0kB [ 334.566762] ? should_fail+0x22d/0xd01 [ 334.568975] lowmem_reserve[]: [ 334.574510] ? lock_downgrade+0x900/0x900 [ 334.602940] 0 [ 334.606829] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.609904] 0 0 [ 334.614052] ? __lock_acquire+0x7ec/0x4ec0 [ 334.615824] 0 [ 334.620930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.622881] Node 0 [ 334.627110] ? __lock_acquire+0x7ec/0x4ec0 [ 334.628887] DMA: [ 334.633991] ? should_fail+0x22d/0xd01 [ 334.636206] 1*4kB [ 334.640439] ? mark_held_locks+0x130/0x130 [ 334.642481] (U) [ 334.646362] ? mark_held_locks+0x130/0x130 [ 334.648492] 0*8kB [ 334.652720] ? select_task_rq_fair+0x754/0x3500 [ 334.654676] 0*16kB [ 334.658913] ? lock_downgrade+0x900/0x900 [ 334.661037] 1*32kB [ 334.665704] ? check_preemption_disabled+0x48/0x200 [ 334.667912] (U) [ 334.672053] ? graph_lock+0x170/0x170 [ 334.674285] 2*64kB [ 334.679291] ? print_usage_bug+0xc0/0xc0 [ 334.681249] (U) [ 334.685044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.687265] 1*128kB [ 334.691322] ? check_preemption_disabled+0x48/0x200 [ 334.693270] (U) [ 334.698819] ? check_preemption_disabled+0x48/0x200 [ 334.701121] 1*256kB [ 334.706144] ? __lock_is_held+0xb5/0x140 [ 334.708088] (U) [ 334.713111] __alloc_pages_nodemask+0xa80/0xde0 [ 334.715406] 0*512kB [ 334.719468] ? graph_lock+0x170/0x170 [ 334.721426] 1*1024kB [ 334.726096] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 334.728395] (U) [ 334.732188] ? graph_lock+0x170/0x170 [ 334.734581] 1*2048kB [ 334.739600] ? find_held_lock+0x36/0x1c0 [ 334.741544] (M) [ 334.745348] ? ____cache_alloc_node+0x1c7/0x1e0 [ 334.747722] 3*4096kB (M) [ 334.751784] ? lock_downgrade+0x900/0x900 [ 334.753739] = 15908kB [ 334.758409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.761140] Node 0 [ 334.765283] cache_grow_begin+0x91/0x8c0 [ 334.767669] DMA32: [ 334.773202] ? do_raw_spin_unlock+0xa7/0x2f0 [ 334.775414] 5*4kB [ 334.779486] fallback_alloc+0x203/0x2e0 [ 334.781689] (UMH) [ 334.786096] ____cache_alloc_node+0x1c7/0x1e0 [ 334.788209] 2*8kB (MH) [ 334.792187] kmem_cache_alloc_node+0xe3/0x730 [ 334.794303] 3*16kB (MH) [ 334.798801] ? ipv6_get_ifaddr+0x42e/0x620 [ 334.801355] 3*32kB (MH) [ 334.805866] __alloc_skb+0x119/0x770 [ 334.808507] 5*64kB (MH) [ 334.812747] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 334.815391] 3*128kB [ 334.819108] ? skb_scrub_packet+0x490/0x490 [ 334.821748] (M) 5*256kB [ 334.827028] ? lock_downgrade+0x900/0x900 [ 334.829325] (UMH) [ 334.833644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.836280] 5*512kB (UMH) [ 334.840430] ? refcount_sub_and_test_checked+0x203/0x310 [ 334.842551] 4*1024kB (UMH) [ 334.848089] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 334.850907] 2*2048kB (M) [ 334.856359] ? addrconf_rs_timer+0x690/0x690 [ 334.859263] 3*4096kB [ 334.864713] ndisc_alloc_skb+0x144/0x340 [ 334.867438] (M) [ 334.871849] ndisc_send_rs+0x331/0x6e0 [ 334.874234] = 25204kB [ 334.878288] addrconf_rs_timer+0x314/0x690 [ 334.880240] Node 0 [ 334.884120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.886508] Normal: [ 334.890745] call_timer_fn+0x272/0x920 [ 334.892947] 990*4kB [ 334.897172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.899478] (UMEH) [ 334.903358] ? process_timeout+0x40/0x40 [ 334.905656] 505*8kB (MEH) [ 334.909890] ? find_held_lock+0x36/0x1c0 [ 334.912095] 189*16kB (MEH) [ 334.916161] ? mark_held_locks+0xc7/0x130 [ 334.918992] 66*32kB (UMH) [ 334.923062] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.925976] 0*64kB 1*128kB [ 334.930125] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.932943] (H) [ 334.937429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.940335] 1*256kB (H) [ 334.944834] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 334.946788] 1*512kB [ 334.951047] ? trace_hardirqs_on+0xbd/0x310 [ 334.953694] (H) [ 334.958269] ? kasan_check_read+0x11/0x20 [ 334.960566] 0*1024kB [ 334.964882] ? __run_timers+0x7da/0xc70 [ 334.966837] 0*2048kB [ 334.970976] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.973370] 0*4096kB = 14032kB [ 334.977355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.979740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.985178] __run_timers+0x7e5/0xc70 [ 334.988354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.992582] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.001387] 5170 total pagecache pages [ 335.005180] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 335.013733] 0 pages in swap cache [ 335.019081] ? graph_lock+0x170/0x170 [ 335.022944] Swap cache stats: add 0, delete 0, find 0/0 [ 335.022953] Free swap = 0kB [ 335.027961] ? print_usage_bug+0xc0/0xc0 [ 335.031408] Total swap = 0kB [ 335.035200] ? lock_release+0x970/0x970 [ 335.040547] 1965979 pages RAM [ 335.043560] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 335.047597] 0 pages HighMem/MovableOnly [ 335.050608] ? find_held_lock+0x36/0x1c0 [ 335.054553] 342306 pages reserved [ 335.054561] 0 pages cma reserved [ 335.057663] ? graph_lock+0x170/0x170 [ 335.062915] aoe: skb alloc failure [ 335.066794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.070861] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.074282] ? check_preemption_disabled+0x48/0x200 [ 335.077621] syz-executor2 cpuset= [ 335.081429] ? __lock_is_held+0xb5/0x140 [ 335.084937] syz2 [ 335.090479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.100934] mems_allowed=0 [ 335.105940] ? check_preemption_disabled+0x48/0x200 [ 335.128830] run_timer_softirq+0x52/0xb0 [ 335.132899] ? rcu_read_lock_sched_held+0x108/0x120 [ 335.137916] __do_softirq+0x30b/0xad8 [ 335.141732] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 335.146842] ? pvclock_read_flags+0x160/0x160 [ 335.151335] ? lapic_next_event+0x5a/0x90 [ 335.155493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.161036] ? check_preemption_disabled+0x48/0x200 [ 335.166055] ? check_preemption_disabled+0x48/0x200 [ 335.171077] ? kvm_clock_read+0x18/0x30 [ 335.175055] ? kvm_sched_clock_read+0x9/0x20 [ 335.179481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.185020] ? check_preemption_disabled+0x48/0x200 [ 335.190052] irq_exit+0x17f/0x1c0 [ 335.193510] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.198354] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.204250] ? interrupt_entry+0xb5/0xf0 [ 335.208314] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.213332] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.218353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.223195] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.228214] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.233230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.238774] ? check_preemption_disabled+0x48/0x200 [ 335.243790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.249341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.254194] apic_timer_interrupt+0xf/0x20 [ 335.258422] [ 335.260670] RIP: 0010:console_unlock+0xfdf/0x1160 [ 335.265516] 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 fb 81 5c 00 [ 335.284417] RSP: 0000:ffff8801d9a4d4c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 335.292131] RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126 [ 335.299398] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 335.306665] RBP: ffff8801d9a4d630 R08: ffff8801d9a40930 R09: 0000000000000006 [ 335.313932] R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 [ 335.321199] R13: ffffffff84871020 R14: dffffc0000000000 R15: ffffffff89942110 [ 335.328557] ? netconsole_netdev_event+0x280/0x280 [ 335.333511] ? console_unlock+0xfd6/0x1160 [ 335.337769] ? devkmsg_read+0xbb0/0xbb0 [ 335.341744] ? vprintk_emit+0x7f7/0x930 [ 335.345721] ? lock_release+0x970/0x970 [ 335.349699] ? trace_hardirqs_on+0x10/0x310 [ 335.354022] ? vprintk_default+0x28/0x30 [ 335.358083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.363544] ? kasan_check_write+0x14/0x20 [ 335.367779] ? do_raw_spin_lock+0xc1/0x200 [ 335.372025] vprintk_emit+0x33d/0x930 [ 335.375836] ? wake_up_klogd+0x180/0x180 [ 335.379898] ? __lock_acquire+0x750/0x4ec0 [ 335.384143] ? mark_held_locks+0x130/0x130 [ 335.388387] ? find_held_lock+0x36/0x1c0 [ 335.392464] ? mark_held_locks+0xc7/0x130 [ 335.396626] vprintk_default+0x28/0x30 [ 335.400522] vprintk_func+0x7e/0x181 [ 335.404248] printk+0xa7/0xcf [ 335.407352] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 335.412116] ? kasan_check_write+0x14/0x20 [ 335.416353] ? do_raw_spin_lock+0xc1/0x200 [ 335.420598] show_free_areas.cold.120+0x1f34/0x215d [ 335.425636] ? si_meminfo_node+0x260/0x260 [ 335.429874] ? __lock_acquire+0x7ec/0x4ec0 [ 335.434122] ? __lock_acquire+0x7ec/0x4ec0 [ 335.438356] ? __lock_acquire+0x7ec/0x4ec0 [ 335.442610] ? mark_held_locks+0x130/0x130 [ 335.446844] ? mark_held_locks+0x130/0x130 [ 335.451087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.456624] ? graph_lock+0x170/0x170 [ 335.460431] ? put_dec+0x3b/0xf0 [ 335.463808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.469346] ? number+0x972/0xca0 [ 335.472804] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 335.477829] ? find_held_lock+0x36/0x1c0 [ 335.481904] ? serial8250_console_write+0x8b3/0xb10 [ 335.486922] ? lock_downgrade+0x900/0x900 [ 335.491074] ? graph_lock+0x170/0x170 [ 335.494887] ? graph_lock+0x170/0x170 [ 335.498914] ? print_usage_bug+0xc0/0xc0 [ 335.503004] ? do_raw_spin_unlock+0xa7/0x2f0 [ 335.507417] ? trace_hardirqs_on+0x310/0x310 [ 335.511832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.517375] ? wq_watchdog_touch+0x9c/0xfe [ 335.521641] ? io_serial_in+0x11/0x90 [ 335.525458] ? find_held_lock+0x36/0x1c0 [ 335.529534] ? mark_held_locks+0xc7/0x130 [ 335.533684] ? console_unlock+0xfaa/0x1160 [ 335.537919] ? console_unlock+0xfaa/0x1160 [ 335.542153] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.546742] ? vprintk_emit+0x33d/0x930 [ 335.550717] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.556168] ? kasan_check_write+0x14/0x20 [ 335.560418] ? do_raw_spin_lock+0xc1/0x200 [ 335.564683] ? netconsole_netdev_event+0x280/0x280 [ 335.569619] ? console_unlock+0x9ba/0x1160 [ 335.573869] ? devkmsg_read+0xbb0/0xbb0 [ 335.577844] ? vprintk_emit+0x7f7/0x930 [ 335.581822] ? lock_release+0x970/0x970 [ 335.585797] ? preempt_count_add+0x7d/0x160 [ 335.590122] ? wake_up_klogd+0x11a/0x180 [ 335.594183] ? console_device+0xc0/0xc0 [ 335.598159] ? do_raw_spin_lock+0xc1/0x200 [ 335.602401] ? vprintk_emit+0x268/0x930 [ 335.606380] ? wake_up_klogd+0x180/0x180 [ 335.610444] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.615211] ? trace_hardirqs_off+0x310/0x310 [ 335.619712] ? retint_kernel+0x1b/0x2d [ 335.623599] ? trace_hardirqs_on+0x310/0x310 [ 335.628022] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.632785] ? retint_kernel+0x2d/0x2d [ 335.636687] ? arch_local_irq_restore+0x45/0x52 [ 335.641359] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 335.646377] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 335.651140] ? show_mem+0x1e/0x17b [ 335.654683] show_mem+0x34/0x17b [ 335.658056] dump_header+0x2f1/0xf72 [ 335.661780] ? pagefault_out_of_memory+0x197/0x197 [ 335.666716] ? __lock_acquire+0x7ec/0x4ec0 [ 335.670952] ? mem_cgroup_charge_statistics+0x780/0x780 [ 335.676339] ? print_usage_bug+0xc0/0xc0 [ 335.680404] ? print_usage_bug+0xc0/0xc0 [ 335.684482] ? graph_lock+0x170/0x170 [ 335.688288] ? print_usage_bug+0xc0/0xc0 [ 335.692345] ? print_usage_bug+0xc0/0xc0 [ 335.696415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.701973] ? find_held_lock+0x36/0x1c0 [ 335.706048] ? mark_held_locks+0xc7/0x130 [ 335.710204] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.715309] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.720414] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.725007] ? trace_hardirqs_on+0xbd/0x310 [ 335.729330] ? kasan_check_read+0x11/0x20 [ 335.733487] ? ___ratelimit+0x36f/0x655 [ 335.737481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.742933] ? trace_hardirqs_on+0x310/0x310 [ 335.747344] ? lock_downgrade+0x900/0x900 [ 335.751517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.756629] ? ___ratelimit+0xaa/0x655 [ 335.760519] ? idr_get_free+0xec0/0xec0 [ 335.764506] ? kasan_check_write+0x14/0x20 [ 335.768744] ? do_raw_spin_lock+0xc1/0x200 [ 335.772991] oom_kill_process.cold.27+0x10/0x903 [ 335.777749] ? graph_lock+0x170/0x170 [ 335.781557] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 335.787356] ? kasan_check_read+0x11/0x20 [ 335.791509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.796786] ? oom_evaluate_task+0x540/0x540 [ 335.801199] ? find_held_lock+0x36/0x1c0 [ 335.805274] ? out_of_memory+0x974/0x1430 [ 335.809429] ? lock_downgrade+0x900/0x900 [ 335.813591] ? check_preemption_disabled+0x48/0x200 [ 335.818616] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 335.824413] ? kasan_check_read+0x11/0x20 [ 335.828571] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.833851] ? rcu_bh_qs+0xc0/0xc0 [ 335.837396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.842932] ? oom_evaluate_task+0x302/0x540 [ 335.847348] out_of_memory+0xa84/0x1430 [ 335.851332] ? oom_killer_disable+0x3a0/0x3a0 [ 335.855828] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 335.860759] ? __mutex_add_waiter+0x2a0/0x2a0 [ 335.865268] __alloc_pages_slowpath+0x2318/0x2d80 [ 335.870143] ? warn_alloc+0x120/0x120 [ 335.873942] ? __radix_tree_lookup+0x4c0/0x4c0 [ 335.878544] ? find_get_entry+0x2f2/0xc40 [ 335.882704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.888245] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 335.893176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.898717] ? should_fail+0x22d/0xd01 [ 335.902614] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.907719] ? __lock_is_held+0xb5/0x140 [ 335.911808] ? __lock_is_held+0xb5/0x140 [ 335.915882] ? kasan_check_read+0x11/0x20 [ 335.920036] ? ___might_sleep+0x1ed/0x300 [ 335.924183] ? lock_release+0x970/0x970 [ 335.928161] ? arch_local_save_flags+0x40/0x40 [ 335.932768] ? __might_sleep+0x95/0x190 [ 335.936748] __alloc_pages_nodemask+0xa80/0xde0 [ 335.941428] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 335.946468] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 335.952273] ? kasan_check_read+0x11/0x20 [ 335.956425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.961713] ? graph_lock+0x170/0x170 [ 335.965524] ? print_usage_bug+0xc0/0xc0 [ 335.969592] ? graph_lock+0x170/0x170 [ 335.973410] ? graph_lock+0x170/0x170 [ 335.977215] ? __do_page_cache_readahead+0x7ce/0x980 [ 335.982324] ? find_held_lock+0x36/0x1c0 [ 335.986391] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 335.991934] alloc_pages_current+0x10c/0x210 [ 335.996341] ? lock_downgrade+0x900/0x900 [ 336.000502] __page_cache_alloc+0x38f/0x5b0 [ 336.004828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 336.010625] ? kasan_check_read+0x11/0x20 [ 336.014774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 336.020058] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 336.024734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.030276] ? check_preemption_disabled+0x48/0x200 [ 336.035306] filemap_fault+0x1594/0x25f0 [ 336.039386] ? __lock_page_or_retry+0xa00/0xa00 [ 336.044058] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 336.049858] ? kasan_check_read+0x11/0x20 [ 336.054010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 336.059288] ? rcu_bh_qs+0xc0/0xc0 [ 336.062832] ? remove_wait_queue+0x1a6/0x360 [ 336.067245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.072705] ? filemap_map_pages+0xdea/0x1980 [ 336.077224] ? print_usage_bug+0xc0/0xc0 [ 336.081290] ? find_get_pages_range_tag+0x1320/0x1320 [ 336.086492] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.092027] ? fput+0x130/0x1a0 [ 336.095314] ? graph_lock+0x170/0x170 [ 336.099114] ? __lock_acquire+0x7ec/0x4ec0 [ 336.103375] ? lock_acquire+0x1ed/0x520 [ 336.107350] ? ext4_filemap_fault+0x7a/0xad [ 336.111680] ? lock_release+0x970/0x970 [ 336.115653] ? arch_local_save_flags+0x40/0x40 [ 336.120238] ? select_estimate_accuracy+0x4b0/0x4b0 [ 336.125271] ? down_read+0xb0/0x1d0 [ 336.128899] ? ext4_filemap_fault+0x7a/0xad [ 336.133225] ? __down_interruptible+0x700/0x700 [ 336.137913] ext4_filemap_fault+0x82/0xad [ 336.142064] __do_fault+0x100/0x6b0 [ 336.145699] ? print_bad_pte+0x6c0/0x6c0 [ 336.149759] ? find_held_lock+0x36/0x1c0 [ 336.153829] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 336.159016] ? pmd_val+0x88/0x100 [ 336.162485] ? add_mm_counter_fast+0xd0/0xd0 [ 336.166893] ? pmd_val+0x88/0x100 [ 336.170349] ? add_mm_counter_fast+0xd0/0xd0 [ 336.174763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.180305] __handle_mm_fault+0x3709/0x53e0 [ 336.184739] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 336.189589] ? graph_lock+0x170/0x170 [ 336.193394] ? print_usage_bug+0xc0/0xc0 [ 336.197465] ? lock_downgrade+0x900/0x900 [ 336.201620] ? graph_lock+0x170/0x170 [ 336.205423] ? graph_lock+0x170/0x170 [ 336.209255] ? handle_mm_fault+0x42a/0xc70 [ 336.213500] ? lock_downgrade+0x900/0x900 [ 336.217654] ? check_preemption_disabled+0x48/0x200 [ 336.222677] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 336.228485] ? kasan_check_read+0x11/0x20 [ 336.232641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 336.237920] ? rcu_bh_qs+0xc0/0xc0 [ 336.241474] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.246927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.252482] ? check_preemption_disabled+0x48/0x200 [ 336.257518] handle_mm_fault+0x54f/0xc70 [ 336.261585] ? __handle_mm_fault+0x53e0/0x53e0 [ 336.266172] ? find_vma+0x34/0x190 [ 336.269722] __do_page_fault+0x67d/0xed0 [ 336.273793] ? mm_fault_error+0x380/0x380 [ 336.277947] ? trace_hardirqs_off+0xb8/0x310 [ 336.282359] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.287724] ? trace_hardirqs_on+0x310/0x310 [ 336.292136] do_page_fault+0xf2/0x7e0 [ 336.295939] ? vmalloc_sync_all+0x30/0x30 [ 336.300085] ? error_entry+0x70/0xd0 [ 336.303801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.308820] ? trace_hardirqs_on_caller+0xc0/0x310 [ 336.313756] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.318686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.323534] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.328553] ? trace_hardirqs_off+0x310/0x310 [ 336.333051] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 336.338074] ? prepare_exit_to_usermode+0x291/0x3b0 [ 336.343092] ? page_fault+0x8/0x30 [ 336.346636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.351495] ? page_fault+0x8/0x30 [ 336.355038] page_fault+0x1e/0x30 [ 336.358499] RIP: 0033:0x7fee04444dd3 [ 336.362225] Code: Bad RIP value. [ 336.366041] RSP: 002b:00007fff31fd79d8 EFLAGS: 00010246 [ 336.371404] RAX: 0000000000000000 RBX: 00007fff31fd7b80 RCX: 00007fee04444dd3 [ 336.378673] RDX: 0000000000000000 RSI: 00007fff31fd7d30 RDI: 000000000000000b [ 336.385941] RBP: 00007fff31fd7d30 R08: 00007fff31fd7db0 R09: 0000000000000001 [ 336.393213] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 336.400488] R13: 00007fff31fd8110 R14: 0000000000000000 R15: 0000000000000000 [ 336.407780] Mem-Info: [ 336.407793] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 336.407805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.410218] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 336.410218] active_file:14 inactive_file:13 isolated_file:0 [ 336.410218] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.410218] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 336.410218] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 336.410218] free:13770 free_pcp:421 free_cma:0 [ 336.417553] Call Trace: [ 336.426942] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.459958] [ 336.462530] Node 0 [ 336.490117] dump_stack+0x1c4/0x2b4 [ 336.492260] 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 [ 336.494475] ? dump_stack_print_info.cold.2+0x52/0x52 [ 336.498074] lowmem_reserve[]: 0 [ 336.523594] warn_alloc.cold.119+0xb7/0x1bd [ 336.528757] 2819 [ 336.532029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.536318] 6323 6323 [ 336.538386] ? lock_downgrade+0x900/0x900 [ 336.545697] ? trace_hardirqs_off+0xb8/0x310 [ 336.549815] Node 0 DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 336.554247] ? trace_hardirqs_off+0xb8/0x310 [ 336.554271] __alloc_pages_slowpath+0x2667/0x2d80 [ 336.581826] lowmem_reserve[]: [ 336.586256] ? warn_alloc+0x120/0x120 [ 336.591041] 0 0 [ 336.594148] ? __lock_acquire+0x7ec/0x4ec0 [ 336.597940] 3503 [ 336.599910] ? warn_alloc+0x120/0x120 [ 336.604116] 3503 [ 336.606178] ? print_usage_bug+0xc0/0xc0 [ 336.609958] Node 0 [ 336.612022] ? warn_alloc+0x120/0x120 [ 336.616087] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 336.618292] ? print_usage_bug+0xc0/0xc0 [ 336.622067] lowmem_reserve[]: [ 336.650516] ? mark_held_locks+0x130/0x130 [ 336.654549] 0 [ 336.657648] ? mark_held_locks+0x130/0x130 [ 336.661859] 0 [ 336.663657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.667865] 0 0 [ 336.669670] ? should_fail+0x22d/0xd01 [ 336.675179] Node 0 [ 336.677155] ? graph_lock+0x170/0x170 [ 336.681021] DMA: [ 336.683252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.687029] 1*4kB [ 336.689110] ? __lock_acquire+0x7ec/0x4ec0 [ 336.694189] (U) [ 336.696336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.700554] 0*8kB [ 336.702526] ? should_fail+0x22d/0xd01 [ 336.707603] 0*16kB [ 336.709751] ? mark_held_locks+0x130/0x130 [ 336.713604] 1*32kB [ 336.715832] ? mark_held_locks+0x130/0x130 [ 336.720041] (U) [ 336.722271] ? lock_downgrade+0x900/0x900 [ 336.726488] 2*64kB [ 336.728462] ? graph_lock+0x170/0x170 [ 336.732592] (U) [ 336.734823] ? graph_lock+0x170/0x170 [ 336.738604] 1*128kB [ 336.740575] ? graph_lock+0x170/0x170 [ 336.744353] (U) [ 336.746671] ? print_usage_bug+0xc0/0xc0 [ 336.750454] 1*256kB [ 336.752423] ? do_raw_spin_unlock+0xa7/0x2f0 [ 336.756464] (U) [ 336.758785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.763166] 0*512kB [ 336.765141] ? check_preemption_disabled+0x48/0x200 [ 336.770651] 1*1024kB [ 336.772967] ? check_preemption_disabled+0x48/0x200 [ 336.777958] (U) [ 336.780374] ? __lock_is_held+0xb5/0x140 [ 336.785357] 1*2048kB [ 336.787328] __alloc_pages_nodemask+0xa80/0xde0 [ 336.791359] (M) [ 336.793760] ? graph_lock+0x170/0x170 [ 336.798407] 3*4096kB [ 336.800375] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 336.804147] (M) [ 336.806549] ? graph_lock+0x170/0x170 [ 336.811540] = 15908kB [ 336.813519] ? find_held_lock+0x36/0x1c0 [ 336.817285] Node 0 [ 336.819693] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.823725] DMA32: [ 336.825958] ? lock_downgrade+0x900/0x900 [ 336.830603] 5*4kB [ 336.832838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.836954] (UMH) [ 336.839107] cache_grow_begin+0x91/0x8c0 [ 336.844617] 2*8kB [ 336.846769] ? do_raw_spin_unlock+0xa7/0x2f0 [ 336.850802] (MH) [ 336.852950] fallback_alloc+0x203/0x2e0 [ 336.857327] 3*16kB (MH) [ 336.859398] ____cache_alloc_node+0x1c7/0x1e0 [ 336.863338] 3*32kB (MH) [ 336.866013] kmem_cache_alloc_node+0xe3/0x730 [ 336.870483] 5*64kB (MH) [ 336.873159] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.877627] 3*128kB [ 336.880290] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 336.885359] (M) 5*256kB [ 336.887693] __alloc_skb+0x119/0x770 [ 336.892254] (UMH) [ 336.894925] ? calc_wheel_index+0x220/0x220 [ 336.898613] 5*512kB [ 336.900754] ? skb_scrub_packet+0x490/0x490 [ 336.905047] (UMH) [ 336.907374] ? vprintk_default+0x28/0x30 [ 336.911663] 4*1024kB (UMH) [ 336.913817] ? vprintk_func+0x85/0x181 [ 336.917853] 2*2048kB (M) [ 336.920782] ? printk+0xa7/0xcf [ 336.924646] 3*4096kB [ 336.927396] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 336.930652] (M) [ 336.933072] ? try_to_wake_up+0x10a/0x12f0 [ 336.937801] = 25204kB [ 336.937809] Node 0 [ 336.939784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.943990] Normal: [ 336.946397] new_skb+0x26/0x1c0 [ 336.948611] 990*4kB [ 336.953704] aoecmd_cfg+0x279/0x7f0 [ 336.956002] (UMEH) [ 336.959279] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 336.961574] 505*8kB (MEH) [ 336.965232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.967483] 189*16kB (MEH) [ 336.971814] ? check_preemption_disabled+0x48/0x200 [ 336.974636] 66*32kB [ 336.980179] ? check_preemption_disabled+0x48/0x200 [ 336.983083] (UMH) [ 336.988095] ? __lock_is_held+0xb5/0x140 [ 336.990387] 0*64kB [ 336.995402] discover_timer+0x50/0x60 [ 336.997516] 1*128kB (H) [ 337.001579] call_timer_fn+0x272/0x920 [ 337.003789] 1*256kB (H) [ 337.007591] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.010234] 1*512kB (H) [ 337.014126] ? process_timeout+0x40/0x40 [ 337.016774] 0*1024kB [ 337.021609] ? find_held_lock+0x36/0x1c0 [ 337.024251] 0*2048kB 0*4096kB [ 337.028323] ? __run_timers+0x7da/0xc70 [ 337.030697] = 14032kB [ 337.030712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 337.034764] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.037938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 337.041902] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.044306] 5170 total pagecache pages [ 337.053132] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.057610] 0 pages in swap cache [ 337.066175] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 337.070646] Swap cache stats: add 0, delete 0, find 0/0 [ 337.070655] Free swap = 0kB [ 337.074534] ? trace_hardirqs_on+0xbd/0x310 [ 337.079343] Total swap = 0kB [ 337.079352] 1965979 pages RAM [ 337.082800] ? kasan_check_read+0x11/0x20 [ 337.087350] 0 pages HighMem/MovableOnly [ 337.087359] 342306 pages reserved [ 337.092712] ? __run_timers+0x7da/0xc70 [ 337.095731] 0 pages cma reserved [ 337.095811] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 337.100053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.103153] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.106207] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.110690] init cpuset= [ 337.114665] __run_timers+0x7e5/0xc70 [ 337.114694] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 337.118361] / [ 337.122262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 337.122276] ? graph_lock+0x170/0x170 [ 337.122294] ? enqueue_hrtimer+0x1a5/0x560 [ 337.122306] ? lock_release+0x970/0x970 [ 337.122338] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 337.122359] ? find_held_lock+0x36/0x1c0 [ 337.122379] ? graph_lock+0x170/0x170 [ 337.125972] mems_allowed=0 [ 337.132485] ? pvclock_read_flags+0x160/0x160 [ 337.203308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.208852] ? check_preemption_disabled+0x48/0x200 [ 337.213881] ? __lock_is_held+0xb5/0x140 [ 337.217962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.223507] ? check_preemption_disabled+0x48/0x200 [ 337.228549] run_timer_softirq+0x52/0xb0 [ 337.232614] ? rcu_read_lock_sched_held+0x108/0x120 [ 337.237650] __do_softirq+0x30b/0xad8 [ 337.241469] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 337.246578] ? pvclock_read_flags+0x160/0x160 [ 337.251073] ? lapic_next_event+0x5a/0x90 [ 337.255220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.260757] ? check_preemption_disabled+0x48/0x200 [ 337.265772] ? check_preemption_disabled+0x48/0x200 [ 337.270797] ? kvm_clock_read+0x18/0x30 [ 337.274772] ? kvm_sched_clock_read+0x9/0x20 [ 337.279185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.284729] ? check_preemption_disabled+0x48/0x200 [ 337.289761] irq_exit+0x17f/0x1c0 [ 337.293214] smp_apic_timer_interrupt+0x1cb/0x760 [ 337.298053] ? smp_reschedule_interrupt+0x109/0x650 [ 337.303070] ? smp_call_function_single_interrupt+0x650/0x650 [ 337.308958] ? interrupt_entry+0xb5/0xf0 [ 337.313030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.318046] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.323064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.327907] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.332926] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.337945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.343502] ? check_preemption_disabled+0x48/0x200 [ 337.348516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.354066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.358917] apic_timer_interrupt+0xf/0x20 [ 337.363147] [ 337.365386] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 337.370317] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 337.389216] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 337.396925] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.404190] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 337.411467] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 337.418731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 337.426000] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 337.433311] skb_clone+0x1bb/0x500 [ 337.436857] ? finish_task_switch+0x2f5/0x900 [ 337.441351] ? skb_split+0x11e0/0x11e0 [ 337.445240] ? preempt_notifier_register+0x200/0x200 [ 337.450345] ? __switch_to_asm+0x34/0x70 [ 337.454406] ? __switch_to_asm+0x34/0x70 [ 337.458472] ? __switch_to_asm+0x40/0x70 [ 337.462553] ? __switch_to_asm+0x34/0x70 [ 337.466613] ? __switch_to_asm+0x40/0x70 [ 337.470672] ? __switch_to_asm+0x34/0x70 [ 337.474736] ? __switch_to_asm+0x40/0x70 [ 337.478801] ? __switch_to_asm+0x34/0x70 [ 337.482862] ? __switch_to_asm+0x34/0x70 [ 337.486926] ? __switch_to_asm+0x40/0x70 [ 337.490992] ? __switch_to_asm+0x34/0x70 [ 337.495065] bpf_clone_redirect+0xb9/0x490 [ 337.499827] ? __schedule+0x874/0x1ed0 [ 337.503724] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 337.508743] ? __sched_text_start+0x8/0x8 [ 337.512910] ? find_held_lock+0x36/0x1c0 [ 337.516983] ? lock_acquire+0x1ed/0x520 [ 337.520960] ? bpf_test_run+0x3cb/0x780 [ 337.524942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.530490] ? check_preemption_disabled+0x48/0x200 [ 337.535517] ? kasan_check_read+0x11/0x20 [ 337.539670] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.544948] ? rcu_bh_qs+0xc0/0xc0 [ 337.548499] ? preempt_schedule+0x4d/0x60 [ 337.552648] ? ___preempt_schedule+0x16/0x18 [ 337.557066] ? bpf_test_run+0x25d/0x780 [ 337.561054] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.565476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.571029] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 337.575797] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.580639] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.586172] ? fput+0x130/0x1a0 [ 337.589464] ? __bpf_prog_get+0x9b/0x290 [ 337.593531] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.598371] ? bpf_prog_test_run+0x130/0x1a0 [ 337.602788] ? __x64_sys_bpf+0x3d8/0x520 [ 337.606853] ? bpf_prog_get+0x20/0x20 [ 337.610687] ? do_syscall_64+0x1b9/0x820 [ 337.614755] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.620127] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.625063] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.630086] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 337.635100] ? recalc_sigpending_tsk+0x180/0x180 [ 337.639861] ? kasan_check_write+0x14/0x20 [ 337.644102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.648955] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.654348] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #129 [ 337.654427] aoe: skb alloc failure [ 337.660585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.660594] Call Trace: [ 337.664227] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.673478] [ 337.676047] syz-executor2 cpuset= [ 337.686527] dump_stack+0x1c4/0x2b4 [ 337.688654] syz2 [ 337.692109] ? dump_stack_print_info.cold.2+0x52/0x52 [ 337.695714] mems_allowed=0 [ 337.697690] warn_alloc.cold.119+0xb7/0x1bd [ 337.710072] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.714921] ? lock_downgrade+0x900/0x900 [ 337.719079] ? trace_hardirqs_off+0xb8/0x310 [ 337.723501] ? trace_hardirqs_off+0xb8/0x310 [ 337.727919] __alloc_pages_slowpath+0x2667/0x2d80 [ 337.732796] ? warn_alloc+0x120/0x120 [ 337.736607] ? warn_alloc+0x120/0x120 [ 337.740409] ? print_usage_bug+0xc0/0xc0 [ 337.744478] ? lockdep_on+0x50/0x50 [ 337.748110] ? lock_pin_lock+0x350/0x350 [ 337.752183] ? kasan_check_read+0x11/0x20 [ 337.756335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.761877] ? should_fail+0x22d/0xd01 [ 337.765769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.770870] ? __lock_acquire+0x7ec/0x4ec0 [ 337.775113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.780212] ? __lock_acquire+0x2881/0x4ec0 [ 337.784530] ? should_fail+0x22d/0xd01 [ 337.788419] ? rcu_idle_enter+0x4b0/0x4b0 [ 337.792584] ? mark_held_locks+0x130/0x130 [ 337.796826] ? mark_held_locks+0x130/0x130 [ 337.801068] ? kasan_check_read+0x11/0x20 [ 337.805218] ? __lock_acquire+0x2881/0x4ec0 [ 337.809539] ? graph_lock+0x170/0x170 [ 337.813349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.818905] ? check_preemption_disabled+0x48/0x200 [ 337.823920] ? check_preemption_disabled+0x48/0x200 [ 337.828945] ? __lock_is_held+0xb5/0x140 [ 337.833014] __alloc_pages_nodemask+0xa80/0xde0 [ 337.837686] ? graph_lock+0x170/0x170 [ 337.841520] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 337.846540] ? graph_lock+0x170/0x170 [ 337.850357] ? find_held_lock+0x36/0x1c0 [ 337.854434] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.859117] ? lock_downgrade+0x900/0x900 [ 337.863272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.868814] cache_grow_begin+0x91/0x8c0 [ 337.872875] ? do_raw_spin_unlock+0xa7/0x2f0 [ 337.877294] fallback_alloc+0x203/0x2e0 [ 337.881277] ____cache_alloc_node+0x1c7/0x1e0 [ 337.885779] kmem_cache_alloc_node+0xe3/0x730 [ 337.890274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 337.894682] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 337.899273] __alloc_skb+0x119/0x770 [ 337.902993] ? skb_scrub_packet+0x490/0x490 [ 337.907313] ? atomic_notifier_call_chain+0xc6/0x190 [ 337.912419] ? lock_downgrade+0x900/0x900 [ 337.916574] ? check_preemption_disabled+0x48/0x200 [ 337.921612] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 337.927409] ? kasan_check_read+0x11/0x20 [ 337.931556] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.936834] ? rcu_bh_qs+0xc0/0xc0 [ 337.940380] ? do_raw_write_trylock+0x1c0/0x1c0 [ 337.945058] __neigh_notify+0x8c/0x160 [ 337.948949] ? __neigh_event_send+0x1390/0x1390 [ 337.953628] neigh_timer_handler+0x6cb/0xdf0 [ 337.958044] ? __neigh_for_each_release+0x520/0x520 [ 337.963064] ? __lock_is_held+0xb5/0x140 [ 337.967142] call_timer_fn+0x272/0x920 [ 337.971029] ? __neigh_for_each_release+0x520/0x520 [ 337.976046] ? process_timeout+0x40/0x40 [ 337.980103] ? find_held_lock+0x36/0x1c0 [ 337.984176] ? mark_held_locks+0xc7/0x130 [ 337.988329] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.992828] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.997325] ? __neigh_for_each_release+0x520/0x520 [ 338.002339] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 338.006926] ? trace_hardirqs_on+0xbd/0x310 [ 338.011245] ? kasan_check_read+0x11/0x20 [ 338.015394] ? __run_timers+0x7da/0xc70 [ 338.019373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.024839] ? __neigh_for_each_release+0x520/0x520 [ 338.029861] __run_timers+0x7e5/0xc70 [ 338.033680] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 338.039062] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.044076] ? graph_lock+0x170/0x170 [ 338.047887] ? print_usage_bug+0xc0/0xc0 [ 338.051949] ? lock_release+0x970/0x970 [ 338.055925] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.061121] ? find_held_lock+0x36/0x1c0 [ 338.065191] ? graph_lock+0x170/0x170 [ 338.068993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.074535] ? check_preemption_disabled+0x48/0x200 [ 338.079567] ? __lock_is_held+0xb5/0x140 [ 338.083631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.089170] ? check_preemption_disabled+0x48/0x200 [ 338.094196] run_timer_softirq+0x52/0xb0 [ 338.098263] ? rcu_read_lock_sched_held+0x108/0x120 [ 338.103278] __do_softirq+0x30b/0xad8 [ 338.107104] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 338.112214] ? pvclock_read_flags+0x160/0x160 [ 338.116708] ? lapic_next_event+0x5a/0x90 [ 338.120861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.126400] ? check_preemption_disabled+0x48/0x200 [ 338.131415] ? check_preemption_disabled+0x48/0x200 [ 338.136460] ? kvm_clock_read+0x18/0x30 [ 338.140440] ? kvm_sched_clock_read+0x9/0x20 [ 338.145052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.150596] ? check_preemption_disabled+0x48/0x200 [ 338.155626] irq_exit+0x17f/0x1c0 [ 338.159086] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.163932] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.169816] ? interrupt_entry+0xb5/0xf0 [ 338.173883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.178903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.183924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.188771] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.193786] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.198804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.204345] ? check_preemption_disabled+0x48/0x200 [ 338.209358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.214904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.219758] apic_timer_interrupt+0xf/0x20 [ 338.223985] [ 338.226230] RIP: 0010:console_unlock+0xfdf/0x1160 [ 338.231073] 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 fb 81 5c 00 [ 338.251361] RSP: 0000:ffff8801d9a4d4c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 338.259074] RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126 [ 338.266343] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 338.273611] RBP: ffff8801d9a4d630 R08: ffff8801d9a40930 R09: 0000000000000006 [ 338.280876] R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 [ 338.288144] R13: ffffffff84871020 R14: dffffc0000000000 R15: ffffffff89942110 [ 338.295426] ? netconsole_netdev_event+0x280/0x280 [ 338.300373] ? console_unlock+0xfd6/0x1160 [ 338.304631] ? devkmsg_read+0xbb0/0xbb0 [ 338.308609] ? vprintk_emit+0x7f7/0x930 [ 338.312599] ? lock_release+0x970/0x970 [ 338.316579] ? trace_hardirqs_on+0x10/0x310 [ 338.320916] ? vprintk_default+0x28/0x30 [ 338.324979] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.330436] ? kasan_check_write+0x14/0x20 [ 338.334686] ? do_raw_spin_lock+0xc1/0x200 [ 338.338945] vprintk_emit+0x33d/0x930 [ 338.342759] ? wake_up_klogd+0x180/0x180 [ 338.346825] ? __lock_acquire+0x750/0x4ec0 [ 338.351062] ? mark_held_locks+0x130/0x130 [ 338.355308] ? find_held_lock+0x36/0x1c0 [ 338.359381] ? mark_held_locks+0xc7/0x130 [ 338.363537] vprintk_default+0x28/0x30 [ 338.367873] vprintk_func+0x7e/0x181 [ 338.371594] printk+0xa7/0xcf [ 338.374699] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 338.379477] ? kasan_check_write+0x14/0x20 [ 338.383717] ? do_raw_spin_lock+0xc1/0x200 [ 338.387962] show_free_areas.cold.120+0x1f34/0x215d [ 338.393005] ? si_meminfo_node+0x260/0x260 [ 338.397243] ? __lock_acquire+0x7ec/0x4ec0 [ 338.401496] ? __lock_acquire+0x7ec/0x4ec0 [ 338.405735] ? __lock_acquire+0x7ec/0x4ec0 [ 338.409984] ? mark_held_locks+0x130/0x130 [ 338.414223] ? mark_held_locks+0x130/0x130 [ 338.418476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.424019] ? graph_lock+0x170/0x170 [ 338.427823] ? put_dec+0x3b/0xf0 [ 338.431192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.436727] ? number+0x972/0xca0 [ 338.440188] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 338.445214] ? find_held_lock+0x36/0x1c0 [ 338.449288] ? serial8250_console_write+0x8b3/0xb10 [ 338.454307] ? lock_downgrade+0x900/0x900 [ 338.458464] ? graph_lock+0x170/0x170 [ 338.462284] ? graph_lock+0x170/0x170 [ 338.466091] ? print_usage_bug+0xc0/0xc0 [ 338.470153] ? do_raw_spin_unlock+0xa7/0x2f0 [ 338.474568] ? trace_hardirqs_on+0x310/0x310 [ 338.478980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.484516] ? wq_watchdog_touch+0x9c/0xfe [ 338.488753] ? io_serial_in+0x11/0x90 [ 338.492563] ? find_held_lock+0x36/0x1c0 [ 338.496637] ? mark_held_locks+0xc7/0x130 [ 338.500792] ? console_unlock+0xfaa/0x1160 [ 338.505027] ? console_unlock+0xfaa/0x1160 [ 338.509282] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.513896] ? vprintk_emit+0x33d/0x930 [ 338.517872] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.523338] ? kasan_check_write+0x14/0x20 [ 338.527579] ? do_raw_spin_lock+0xc1/0x200 [ 338.531849] ? netconsole_netdev_event+0x280/0x280 [ 338.536793] ? console_unlock+0x9ba/0x1160 [ 338.541041] ? devkmsg_read+0xbb0/0xbb0 [ 338.545014] ? vprintk_emit+0x7f7/0x930 [ 338.548991] ? lock_release+0x970/0x970 [ 338.552970] ? preempt_count_add+0x7d/0x160 [ 338.557309] ? wake_up_klogd+0x11a/0x180 [ 338.561374] ? console_device+0xc0/0xc0 [ 338.565351] ? do_raw_spin_lock+0xc1/0x200 [ 338.569595] ? vprintk_emit+0x268/0x930 [ 338.573579] ? wake_up_klogd+0x180/0x180 [ 338.577645] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 338.582402] ? trace_hardirqs_off+0x310/0x310 [ 338.586922] ? retint_kernel+0x1b/0x2d [ 338.590816] ? trace_hardirqs_on+0x310/0x310 [ 338.595240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 338.600005] ? retint_kernel+0x2d/0x2d [ 338.603914] ? arch_local_irq_restore+0x45/0x52 [ 338.608588] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 338.613609] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 338.618378] ? show_mem+0x1e/0x17b [ 338.621925] show_mem+0x34/0x17b [ 338.625302] dump_header+0x2f1/0xf72 [ 338.629061] ? pagefault_out_of_memory+0x197/0x197 [ 338.634003] ? __lock_acquire+0x7ec/0x4ec0 [ 338.638240] ? mem_cgroup_charge_statistics+0x780/0x780 [ 338.643617] ? print_usage_bug+0xc0/0xc0 [ 338.647680] ? print_usage_bug+0xc0/0xc0 [ 338.651750] ? graph_lock+0x170/0x170 [ 338.655556] ? print_usage_bug+0xc0/0xc0 [ 338.659617] ? print_usage_bug+0xc0/0xc0 [ 338.663688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.669232] ? find_held_lock+0x36/0x1c0 [ 338.673305] ? mark_held_locks+0xc7/0x130 [ 338.677467] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.682578] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.687686] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.692269] ? trace_hardirqs_on+0xbd/0x310 [ 338.696595] ? kasan_check_read+0x11/0x20 [ 338.700747] ? ___ratelimit+0x36f/0x655 [ 338.704726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.710179] ? trace_hardirqs_on+0x310/0x310 [ 338.714588] ? lock_downgrade+0x900/0x900 [ 338.718749] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.723853] ? ___ratelimit+0xaa/0x655 [ 338.727742] ? idr_get_free+0xec0/0xec0 [ 338.731720] ? kasan_check_write+0x14/0x20 [ 338.735957] ? do_raw_spin_lock+0xc1/0x200 [ 338.740200] oom_kill_process.cold.27+0x10/0x903 [ 338.744958] ? graph_lock+0x170/0x170 [ 338.748771] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 338.754571] ? kasan_check_read+0x11/0x20 [ 338.758726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.764006] ? oom_evaluate_task+0x540/0x540 [ 338.768424] ? find_held_lock+0x36/0x1c0 [ 338.772506] ? out_of_memory+0x974/0x1430 [ 338.776658] ? lock_downgrade+0x900/0x900 [ 338.780811] ? check_preemption_disabled+0x48/0x200 [ 338.785834] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 338.791634] ? kasan_check_read+0x11/0x20 [ 338.795787] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.801085] ? rcu_bh_qs+0xc0/0xc0 [ 338.804631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.810166] ? oom_evaluate_task+0x302/0x540 [ 338.814584] out_of_memory+0xa84/0x1430 [ 338.818570] ? oom_killer_disable+0x3a0/0x3a0 [ 338.823071] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 338.828008] ? __mutex_add_waiter+0x2a0/0x2a0 [ 338.832524] __alloc_pages_slowpath+0x2318/0x2d80 [ 338.837399] ? warn_alloc+0x120/0x120 [ 338.841203] ? __radix_tree_lookup+0x4c0/0x4c0 [ 338.845803] ? find_get_entry+0x2f2/0xc40 [ 338.849964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.855513] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 338.860446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.865999] ? should_fail+0x22d/0xd01 [ 338.869892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.874999] ? __lock_is_held+0xb5/0x140 [ 338.879091] ? __lock_is_held+0xb5/0x140 [ 338.883171] ? kasan_check_read+0x11/0x20 [ 338.887322] ? ___might_sleep+0x1ed/0x300 [ 338.891477] ? lock_release+0x970/0x970 [ 338.895466] ? arch_local_save_flags+0x40/0x40 [ 338.900072] ? __might_sleep+0x95/0x190 [ 338.904057] __alloc_pages_nodemask+0xa80/0xde0 [ 338.908735] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 338.913759] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 338.919555] ? kasan_check_read+0x11/0x20 [ 338.923705] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.928991] ? graph_lock+0x170/0x170 [ 338.932794] ? print_usage_bug+0xc0/0xc0 [ 338.936862] ? graph_lock+0x170/0x170 [ 338.940662] ? graph_lock+0x170/0x170 [ 338.944477] ? __do_page_cache_readahead+0x7ce/0x980 [ 338.949589] ? find_held_lock+0x36/0x1c0 [ 338.953656] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 338.959221] alloc_pages_current+0x10c/0x210 [ 338.963641] ? lock_downgrade+0x900/0x900 [ 338.967814] __page_cache_alloc+0x38f/0x5b0 [ 338.972135] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 338.977958] ? kasan_check_read+0x11/0x20 [ 338.982108] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.987393] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 338.992079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.997622] ? check_preemption_disabled+0x48/0x200 [ 339.002653] filemap_fault+0x1594/0x25f0 [ 339.006728] ? __lock_page_or_retry+0xa00/0xa00 [ 339.011410] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 339.017207] ? kasan_check_read+0x11/0x20 [ 339.021356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.026635] ? rcu_bh_qs+0xc0/0xc0 [ 339.030176] ? remove_wait_queue+0x1a6/0x360 [ 339.034588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.040050] ? filemap_map_pages+0xdea/0x1980 [ 339.044567] ? print_usage_bug+0xc0/0xc0 [ 339.048632] ? find_get_pages_range_tag+0x1320/0x1320 [ 339.053874] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.059409] ? fput+0x130/0x1a0 [ 339.062691] ? graph_lock+0x170/0x170 [ 339.066498] ? __lock_acquire+0x7ec/0x4ec0 [ 339.070783] ? lock_acquire+0x1ed/0x520 [ 339.074761] ? ext4_filemap_fault+0x7a/0xad [ 339.079092] ? lock_release+0x970/0x970 [ 339.083086] ? arch_local_save_flags+0x40/0x40 [ 339.087677] ? select_estimate_accuracy+0x4b0/0x4b0 [ 339.092709] ? down_read+0xb0/0x1d0 [ 339.096333] ? ext4_filemap_fault+0x7a/0xad [ 339.100660] ? __down_interruptible+0x700/0x700 [ 339.105436] ext4_filemap_fault+0x82/0xad [ 339.109602] __do_fault+0x100/0x6b0 [ 339.113238] ? print_bad_pte+0x6c0/0x6c0 [ 339.117304] ? find_held_lock+0x36/0x1c0 [ 339.121378] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 339.126567] ? pmd_val+0x88/0x100 [ 339.130025] ? add_mm_counter_fast+0xd0/0xd0 [ 339.134432] ? pmd_val+0x88/0x100 [ 339.137902] ? add_mm_counter_fast+0xd0/0xd0 [ 339.142317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.147861] __handle_mm_fault+0x3709/0x53e0 [ 339.152303] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 339.157146] ? graph_lock+0x170/0x170 [ 339.160957] ? print_usage_bug+0xc0/0xc0 [ 339.165019] ? lock_downgrade+0x900/0x900 [ 339.169169] ? graph_lock+0x170/0x170 [ 339.172968] ? graph_lock+0x170/0x170 [ 339.176789] ? handle_mm_fault+0x42a/0xc70 [ 339.181028] ? lock_downgrade+0x900/0x900 [ 339.185179] ? check_preemption_disabled+0x48/0x200 [ 339.190208] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 339.196016] ? kasan_check_read+0x11/0x20 [ 339.200168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.205456] ? rcu_bh_qs+0xc0/0xc0 [ 339.209002] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.214464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.220010] ? check_preemption_disabled+0x48/0x200 [ 339.225036] handle_mm_fault+0x54f/0xc70 [ 339.229113] ? __handle_mm_fault+0x53e0/0x53e0 [ 339.233703] ? find_vma+0x34/0x190 [ 339.237249] __do_page_fault+0x67d/0xed0 [ 339.241319] ? mm_fault_error+0x380/0x380 [ 339.245477] ? trace_hardirqs_off+0xb8/0x310 [ 339.249896] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.255259] ? trace_hardirqs_on+0x310/0x310 [ 339.259673] do_page_fault+0xf2/0x7e0 [ 339.263488] ? vmalloc_sync_all+0x30/0x30 [ 339.267642] ? error_entry+0x70/0xd0 [ 339.271364] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.276380] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.281316] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.286260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.291107] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.296120] ? trace_hardirqs_off+0x310/0x310 [ 339.300618] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 339.305637] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.310651] ? page_fault+0x8/0x30 [ 339.314205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.319053] ? page_fault+0x8/0x30 [ 339.322601] page_fault+0x1e/0x30 [ 339.326054] RIP: 0033:0x7fee04444dd3 [ 339.329822] Code: Bad RIP value. [ 339.333185] RSP: 002b:00007fff31fd79d8 EFLAGS: 00010246 [ 339.338558] RAX: 0000000000000000 RBX: 00007fff31fd7b80 RCX: 00007fee04444dd3 [ 339.345824] RDX: 0000000000000000 RSI: 00007fff31fd7d30 RDI: 000000000000000b [ 339.353097] RBP: 00007fff31fd7d30 R08: 00007fff31fd7db0 R09: 0000000000000001 [ 339.360366] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 339.367635] R13: 00007fff31fd8110 R14: 0000000000000000 R15: 0000000000000000 [ 339.374933] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 339.374939] warn_alloc_show_mem: 1 callbacks suppressed [ 339.374946] Mem-Info: [ 339.382314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.387684] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 339.387684] active_file:14 inactive_file:13 isolated_file:0 [ 339.387684] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.387684] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 339.387684] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 339.387684] free:13770 free_pcp:421 free_cma:0 [ 339.390055] Call Trace: [ 339.399447] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.432504] [ 339.435092] Node 0 [ 339.462691] dump_stack+0x1c4/0x2b4 [ 339.464849] 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 [ 339.467064] ? dump_stack_print_info.cold.2+0x52/0x52 [ 339.470657] lowmem_reserve[]: [ 339.496199] warn_alloc.cold.119+0xb7/0x1bd [ 339.501590] 0 [ 339.504712] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.508990] 2819 6323 [ 339.510803] ? lock_downgrade+0x900/0x900 [ 339.515611] 6323 [ 339.518119] ? trace_hardirqs_off+0xb8/0x310 [ 339.522240] Node 0 [ 339.524301] ? trace_hardirqs_off+0xb8/0x310 [ 339.528706] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 339.530922] __alloc_pages_slowpath+0x2667/0x2d80 [ 339.535317] lowmem_reserve[]: [ 339.562335] ? warn_alloc+0x120/0x120 [ 339.567127] 0 [ 339.570246] ? warn_alloc+0x120/0x120 [ 339.574015] 0 [ 339.575818] ? print_usage_bug+0xc0/0xc0 [ 339.579586] 3503 3503 [ 339.581398] ? warn_alloc+0x120/0x120 [ 339.587962] ? print_usage_bug+0xc0/0xc0 [ 339.591737] Node 0 [ 339.595789] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 339.595825] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 339.598029] ? ktime_get+0x2e1/0x440 [ 339.603022] lowmem_reserve[]: [ 339.631504] ? check_preemption_disabled+0x48/0x200 [ 339.635194] 0 [ 339.638309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.643293] 0 [ 339.645095] ? should_fail+0x22d/0xd01 [ 339.650601] 0 0 [ 339.652424] ? kasan_check_read+0x11/0x20 [ 339.658263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.662383] Node 0 DMA: [ 339.667668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.667686] ? __lock_acquire+0x7ec/0x4ec0 [ 339.670354] 1*4kB [ 339.675456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.679659] (U) [ 339.681807] ? should_fail+0x22d/0xd01 [ 339.686884] 0*8kB [ 339.688868] ? mark_held_locks+0x130/0x130 [ 339.692717] 0*16kB 1*32kB [ 339.694869] ? mark_held_locks+0x130/0x130 [ 339.699081] (U) [ 339.701934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.706141] 2*64kB [ 339.708119] ? graph_lock+0x170/0x170 [ 339.713650] (U) [ 339.715883] ? mark_held_locks+0xc7/0x130 [ 339.719656] 1*128kB (U) [ 339.721641] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 339.725768] 1*256kB [ 339.728437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.733426] (U) [ 339.735758] ? check_preemption_disabled+0x48/0x200 [ 339.741269] 0*512kB [ 339.743242] ? check_preemption_disabled+0x48/0x200 [ 339.748232] 1*1024kB [ 339.750559] ? __lock_is_held+0xb5/0x140 [ 339.755542] (U) [ 339.757957] __alloc_pages_nodemask+0xa80/0xde0 [ 339.761987] 1*2048kB [ 339.763955] ? graph_lock+0x170/0x170 [ 339.768602] (M) [ 339.771010] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 339.774783] 3*4096kB (M) [ 339.776762] ? graph_lock+0x170/0x170 [ 339.781753] = 15908kB [ 339.781761] Node 0 [ 339.784519] ? find_held_lock+0x36/0x1c0 [ 339.788287] DMA32: [ 339.790699] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.792906] 5*4kB [ 339.796963] ? lock_downgrade+0x900/0x900 [ 339.799178] (UMH) [ 339.803846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.805967] 2*8kB [ 339.810117] cache_grow_begin+0x91/0x8c0 [ 339.812239] (MH) [ 339.817770] ? do_raw_spin_unlock+0xa7/0x2f0 [ 339.819901] 3*16kB [ 339.823960] fallback_alloc+0x203/0x2e0 [ 339.825997] (MH) [ 339.830402] ____cache_alloc_node+0x1c7/0x1e0 [ 339.832610] 3*32kB (MH) [ 339.836587] kmem_cache_alloc_node+0xe3/0x730 [ 339.838625] 5*64kB [ 339.843117] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 339.845766] (MH) [ 339.850255] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 339.852478] 3*128kB [ 339.857578] __alloc_skb+0x119/0x770 [ 339.859611] (M) [ 339.864189] ? calc_wheel_index+0x220/0x220 [ 339.866490] 5*256kB [ 339.870197] ? skb_scrub_packet+0x490/0x490 [ 339.872150] (UMH) [ 339.876480] ? vprintk_default+0x28/0x30 [ 339.878781] 5*512kB [ 339.883093] ? vprintk_func+0x85/0x181 [ 339.885226] (UMH) 4*1024kB [ 339.889285] ? printk+0xa7/0xcf [ 339.891588] (UMH) [ 339.895474] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 339.898390] 2*2048kB [ 339.901662] ? try_to_wake_up+0x10a/0x12f0 [ 339.903786] (M) [ 339.908543] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 339.910923] 3*4096kB (M) [ 339.915167] new_skb+0x26/0x1c0 [ 339.917119] = 25204kB [ 339.922213] aoecmd_cfg+0x279/0x7f0 [ 339.924947] Node 0 [ 339.928228] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 339.930608] Normal: 990*4kB [ 339.934238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.936462] (UMEH) [ 339.940782] ? check_preemption_disabled+0x48/0x200 [ 339.943766] 505*8kB (MEH) [ 339.949307] ? check_preemption_disabled+0x48/0x200 [ 339.951519] 189*16kB [ 339.956536] ? __lock_is_held+0xb5/0x140 [ 339.959365] (MEH) [ 339.964384] discover_timer+0x50/0x60 [ 339.966760] 66*32kB (UMH) [ 339.970824] call_timer_fn+0x272/0x920 [ 339.972942] 0*64kB 1*128kB [ 339.976747] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 339.979574] (H) [ 339.983464] ? process_timeout+0x40/0x40 [ 339.986371] 1*256kB (H) [ 339.991216] ? find_held_lock+0x36/0x1c0 [ 339.993169] 1*512kB (H) [ 339.997239] ? __run_timers+0x7da/0xc70 [ 339.999887] 0*1024kB [ 340.003943] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.006588] 0*2048kB [ 340.010559] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.012943] 0*4096kB [ 340.017433] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.019827] = 14032kB [ 340.024317] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 340.026734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.031563] ? trace_hardirqs_on+0xbd/0x310 [ 340.033958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.038531] ? kasan_check_read+0x11/0x20 [ 340.047348] 5170 total pagecache pages [ 340.051676] ? __run_timers+0x7da/0xc70 [ 340.060233] 0 pages in swap cache [ 340.064370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.068231] Swap cache stats: add 0, delete 0, find 0/0 [ 340.068240] Free swap = 0kB [ 340.072240] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.075661] Total swap = 0kB [ 340.081107] __run_timers+0x7e5/0xc70 [ 340.086467] 1965979 pages RAM [ 340.089494] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 340.094308] 0 pages HighMem/MovableOnly [ 340.094317] 342306 pages reserved [ 340.097328] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 340.101128] 0 pages cma reserved [ 340.104227] ? graph_lock+0x170/0x170 [ 340.109848] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.113553] ? enqueue_hrtimer+0x1a5/0x560 [ 340.116989] init cpuset= [ 340.122004] ? lock_release+0x970/0x970 [ 340.125346] / [ 340.129154] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 340.138833] mems_allowed=0 [ 340.143065] ? find_held_lock+0x36/0x1c0 [ 340.163534] ? graph_lock+0x170/0x170 [ 340.167338] ? pvclock_read_flags+0x160/0x160 [ 340.171834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.177378] ? check_preemption_disabled+0x48/0x200 [ 340.182412] ? __lock_is_held+0xb5/0x140 [ 340.186486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.192030] ? check_preemption_disabled+0x48/0x200 [ 340.197062] run_timer_softirq+0x52/0xb0 [ 340.201124] ? rcu_read_lock_sched_held+0x108/0x120 [ 340.206148] __do_softirq+0x30b/0xad8 [ 340.209966] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 340.215087] ? pvclock_read_flags+0x160/0x160 [ 340.219585] ? lapic_next_event+0x5a/0x90 [ 340.223745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.229371] ? check_preemption_disabled+0x48/0x200 [ 340.234393] ? check_preemption_disabled+0x48/0x200 [ 340.239420] ? kvm_clock_read+0x18/0x30 [ 340.243400] ? kvm_sched_clock_read+0x9/0x20 [ 340.247815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.253358] ? check_preemption_disabled+0x48/0x200 [ 340.258394] irq_exit+0x17f/0x1c0 [ 340.261852] smp_apic_timer_interrupt+0x1cb/0x760 [ 340.266707] ? smp_reschedule_interrupt+0x109/0x650 [ 340.271771] ? smp_call_function_single_interrupt+0x650/0x650 [ 340.277660] ? interrupt_entry+0xb5/0xf0 [ 340.281724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.286743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.291764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.296611] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.301643] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.306671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.312215] ? check_preemption_disabled+0x48/0x200 [ 340.317233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.322782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.327636] apic_timer_interrupt+0xf/0x20 [ 340.331866] [ 340.334111] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 340.339041] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 340.357957] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 340.365793] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 340.373064] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 340.380331] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 340.387598] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 340.394869] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 340.402195] skb_clone+0x1bb/0x500 [ 340.405740] ? finish_task_switch+0x2f5/0x900 [ 340.410238] ? skb_split+0x11e0/0x11e0 [ 340.414129] ? preempt_notifier_register+0x200/0x200 [ 340.419237] ? __switch_to_asm+0x34/0x70 [ 340.423300] ? __switch_to_asm+0x34/0x70 [ 340.427366] ? __switch_to_asm+0x40/0x70 [ 340.431429] ? __switch_to_asm+0x34/0x70 [ 340.435503] ? __switch_to_asm+0x40/0x70 [ 340.439569] ? __switch_to_asm+0x34/0x70 [ 340.443635] ? __switch_to_asm+0x40/0x70 [ 340.447696] ? __switch_to_asm+0x34/0x70 [ 340.451759] ? __switch_to_asm+0x34/0x70 [ 340.455831] ? __switch_to_asm+0x40/0x70 [ 340.459895] ? __switch_to_asm+0x34/0x70 [ 340.463966] bpf_clone_redirect+0xb9/0x490 [ 340.468211] ? __schedule+0x874/0x1ed0 [ 340.472111] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 340.477129] ? __sched_text_start+0x8/0x8 [ 340.481308] ? find_held_lock+0x36/0x1c0 [ 340.485392] ? lock_acquire+0x1ed/0x520 [ 340.489371] ? bpf_test_run+0x3cb/0x780 [ 340.493347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.498892] ? check_preemption_disabled+0x48/0x200 [ 340.503921] ? kasan_check_read+0x11/0x20 [ 340.508075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 340.513357] ? rcu_bh_qs+0xc0/0xc0 [ 340.516898] ? preempt_schedule+0x4d/0x60 [ 340.521048] ? ___preempt_schedule+0x16/0x18 [ 340.525473] ? bpf_test_run+0x25d/0x780 [ 340.529474] ? netlink_diag_dump+0x2a0/0x2a0 [ 340.533892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.539441] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 340.544225] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.549070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.554604] ? fput+0x130/0x1a0 [ 340.557889] ? __bpf_prog_get+0x9b/0x290 [ 340.561957] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.566803] ? bpf_prog_test_run+0x130/0x1a0 [ 340.571219] ? __x64_sys_bpf+0x3d8/0x520 [ 340.575280] ? bpf_prog_get+0x20/0x20 [ 340.579102] ? do_syscall_64+0x1b9/0x820 [ 340.583169] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 340.588536] ? syscall_return_slowpath+0x5e0/0x5e0 [ 340.593479] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.598502] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 340.603539] ? recalc_sigpending_tsk+0x180/0x180 [ 340.608298] ? kasan_check_write+0x14/0x20 [ 340.612542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.617396] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.622815] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #129 [ 340.622916] aoe: skb alloc failure [ 340.629052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.629061] Call Trace: [ 340.632659] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.641931] [ 340.644502] syz-executor2 cpuset= [ 340.654983] dump_stack+0x1c4/0x2b4 [ 340.657125] syz2 [ 340.660576] ? dump_stack_print_info.cold.2+0x52/0x52 [ 340.664180] mems_allowed=0 [ 340.666158] warn_alloc.cold.119+0xb7/0x1bd [ 340.678547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.683403] ? lock_downgrade+0x900/0x900 [ 340.687566] ? trace_hardirqs_off+0xb8/0x310 [ 340.691982] ? trace_hardirqs_off+0xb8/0x310 [ 340.696402] __alloc_pages_slowpath+0x2667/0x2d80 [ 340.701278] ? warn_alloc+0x120/0x120 [ 340.705087] ? warn_alloc+0x120/0x120 [ 340.708890] ? print_usage_bug+0xc0/0xc0 [ 340.712955] ? warn_alloc+0x120/0x120 [ 340.716757] ? lock_release+0x970/0x970 [ 340.720732] ? print_usage_bug+0xc0/0xc0 [ 340.724792] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 340.729992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.735534] ? should_fail+0x22d/0xd01 [ 340.739420] ? __lock_acquire+0x7ec/0x4ec0 [ 340.743668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.748772] ? __lock_acquire+0x7ec/0x4ec0 [ 340.753013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.758116] ? __lock_acquire+0x7ec/0x4ec0 [ 340.762349] ? should_fail+0x22d/0xd01 [ 340.766250] ? mark_held_locks+0x130/0x130 [ 340.770511] ? mark_held_locks+0x130/0x130 [ 340.774748] ? kvm_clock_read+0x18/0x30 [ 340.778728] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 340.783786] ? ktime_get+0x2e1/0x440 [ 340.787510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.793048] ? graph_lock+0x170/0x170 [ 340.796852] ? print_usage_bug+0xc0/0xc0 [ 340.800920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.806482] ? check_preemption_disabled+0x48/0x200 [ 340.811502] ? check_preemption_disabled+0x48/0x200 [ 340.816535] ? __lock_is_held+0xb5/0x140 [ 340.820606] __alloc_pages_nodemask+0xa80/0xde0 [ 340.825282] ? graph_lock+0x170/0x170 [ 340.829090] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 340.834107] ? graph_lock+0x170/0x170 [ 340.837923] ? find_held_lock+0x36/0x1c0 [ 340.841998] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.846671] ? lock_downgrade+0x900/0x900 [ 340.850838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.856382] cache_grow_begin+0x91/0x8c0 [ 340.860446] ? do_raw_spin_unlock+0xa7/0x2f0 [ 340.864881] fallback_alloc+0x203/0x2e0 [ 340.868866] ____cache_alloc_node+0x1c7/0x1e0 [ 340.873372] kmem_cache_alloc_node+0xe3/0x730 [ 340.877872] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.882119] __alloc_skb+0x119/0x770 [ 340.885836] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 340.891122] ? skb_scrub_packet+0x490/0x490 [ 340.895456] ? lock_downgrade+0x900/0x900 [ 340.899622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.905180] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.910637] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.916098] ? addrconf_rs_timer+0x690/0x690 [ 340.920530] ndisc_alloc_skb+0x144/0x340 [ 340.924608] ndisc_send_rs+0x331/0x6e0 [ 340.928517] addrconf_rs_timer+0x314/0x690 [ 340.932765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.937018] call_timer_fn+0x272/0x920 [ 340.940912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.945150] ? process_timeout+0x40/0x40 [ 340.949223] ? find_held_lock+0x36/0x1c0 [ 340.953306] ? mark_held_locks+0xc7/0x130 [ 340.957475] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.961973] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.966481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.970717] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 340.975302] ? trace_hardirqs_on+0xbd/0x310 [ 340.979628] ? kasan_check_read+0x11/0x20 [ 340.983778] ? __run_timers+0x7da/0xc70 [ 340.987757] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.993224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.997478] __run_timers+0x7e5/0xc70 [ 341.001382] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 341.006751] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 341.011773] ? graph_lock+0x170/0x170 [ 341.015585] ? print_usage_bug+0xc0/0xc0 [ 341.019649] ? lock_release+0x970/0x970 [ 341.023629] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 341.028828] ? find_held_lock+0x36/0x1c0 [ 341.032899] ? graph_lock+0x170/0x170 [ 341.036707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.042247] ? check_preemption_disabled+0x48/0x200 [ 341.047282] ? __lock_is_held+0xb5/0x140 [ 341.051345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.056893] ? check_preemption_disabled+0x48/0x200 [ 341.061917] run_timer_softirq+0x52/0xb0 [ 341.065982] ? rcu_read_lock_sched_held+0x108/0x120 [ 341.071016] __do_softirq+0x30b/0xad8 [ 341.074834] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 341.079947] ? pvclock_read_flags+0x160/0x160 [ 341.084443] ? lapic_next_event+0x5a/0x90 [ 341.088606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.094165] ? check_preemption_disabled+0x48/0x200 [ 341.099185] ? check_preemption_disabled+0x48/0x200 [ 341.104228] ? kvm_clock_read+0x18/0x30 [ 341.108203] ? kvm_sched_clock_read+0x9/0x20 [ 341.112615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.118153] ? check_preemption_disabled+0x48/0x200 [ 341.123229] irq_exit+0x17f/0x1c0 [ 341.126691] smp_apic_timer_interrupt+0x1cb/0x760 [ 341.131544] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.137432] ? interrupt_entry+0xb5/0xf0 [ 341.141511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.146532] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.151551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.156395] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.161411] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.166431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.171983] ? check_preemption_disabled+0x48/0x200 [ 341.177035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.182601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.187464] apic_timer_interrupt+0xf/0x20 [ 341.191704] [ 341.193946] RIP: 0010:console_unlock+0xfdf/0x1160 [ 341.198792] 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 fb 81 5c 00 [ 341.217703] RSP: 0000:ffff8801d9a4d4c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 341.225414] RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126 [ 341.232681] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 341.239950] RBP: ffff8801d9a4d630 R08: ffff8801d9a40930 R09: 0000000000000006 [ 341.247219] R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 [ 341.254495] R13: ffffffff84871020 R14: dffffc0000000000 R15: ffffffff89942110 [ 341.261784] ? netconsole_netdev_event+0x280/0x280 [ 341.266726] ? console_unlock+0xfd6/0x1160 [ 341.270987] ? devkmsg_read+0xbb0/0xbb0 [ 341.274966] ? vprintk_emit+0x7f7/0x930 [ 341.278946] ? lock_release+0x970/0x970 [ 341.282926] ? trace_hardirqs_on+0x10/0x310 [ 341.287253] ? vprintk_default+0x28/0x30 [ 341.291328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.296792] ? kasan_check_write+0x14/0x20 [ 341.301032] ? do_raw_spin_lock+0xc1/0x200 [ 341.305281] vprintk_emit+0x33d/0x930 [ 341.309091] ? wake_up_klogd+0x180/0x180 [ 341.313165] ? __lock_acquire+0x750/0x4ec0 [ 341.317405] ? mark_held_locks+0x130/0x130 [ 341.321654] ? find_held_lock+0x36/0x1c0 [ 341.325732] ? mark_held_locks+0xc7/0x130 [ 341.329897] vprintk_default+0x28/0x30 [ 341.333792] vprintk_func+0x7e/0x181 [ 341.337516] printk+0xa7/0xcf [ 341.340631] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 341.345412] ? kasan_check_write+0x14/0x20 [ 341.349649] ? do_raw_spin_lock+0xc1/0x200 [ 341.353904] show_free_areas.cold.120+0x1f34/0x215d [ 341.358946] ? si_meminfo_node+0x260/0x260 [ 341.363207] ? __lock_acquire+0x7ec/0x4ec0 [ 341.367462] ? __lock_acquire+0x7ec/0x4ec0 [ 341.371709] ? __lock_acquire+0x7ec/0x4ec0 [ 341.375960] ? mark_held_locks+0x130/0x130 [ 341.380201] ? mark_held_locks+0x130/0x130 [ 341.384496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.390039] ? graph_lock+0x170/0x170 [ 341.393845] ? put_dec+0x3b/0xf0 [ 341.397219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.402756] ? number+0x972/0xca0 [ 341.406217] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 341.411241] ? find_held_lock+0x36/0x1c0 [ 341.415314] ? serial8250_console_write+0x8b3/0xb10 [ 341.420338] ? lock_downgrade+0x900/0x900 [ 341.424496] ? graph_lock+0x170/0x170 [ 341.428306] ? graph_lock+0x170/0x170 [ 341.432133] ? print_usage_bug+0xc0/0xc0 [ 341.436202] ? do_raw_spin_unlock+0xa7/0x2f0 [ 341.440628] ? trace_hardirqs_on+0x310/0x310 [ 341.445043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.450584] ? wq_watchdog_touch+0x9c/0xfe [ 341.454822] ? io_serial_in+0x11/0x90 [ 341.458634] ? find_held_lock+0x36/0x1c0 [ 341.462709] ? mark_held_locks+0xc7/0x130 [ 341.466867] ? console_unlock+0xfaa/0x1160 [ 341.471126] ? console_unlock+0xfaa/0x1160 [ 341.475365] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.479958] ? vprintk_emit+0x33d/0x930 [ 341.483941] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.489396] ? kasan_check_write+0x14/0x20 [ 341.493633] ? do_raw_spin_lock+0xc1/0x200 [ 341.498018] ? netconsole_netdev_event+0x280/0x280 [ 341.502953] ? console_unlock+0x9ba/0x1160 [ 341.507208] ? devkmsg_read+0xbb0/0xbb0 [ 341.511183] ? vprintk_emit+0x7f7/0x930 [ 341.515165] ? lock_release+0x970/0x970 [ 341.519142] ? preempt_count_add+0x7d/0x160 [ 341.523481] ? wake_up_klogd+0x11a/0x180 [ 341.527551] ? console_device+0xc0/0xc0 [ 341.531529] ? do_raw_spin_lock+0xc1/0x200 [ 341.535778] ? vprintk_emit+0x268/0x930 [ 341.539762] ? wake_up_klogd+0x180/0x180 [ 341.543825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 341.548586] ? trace_hardirqs_off+0x310/0x310 [ 341.553092] ? retint_kernel+0x1b/0x2d [ 341.556995] ? trace_hardirqs_on+0x310/0x310 [ 341.561420] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 341.566197] ? retint_kernel+0x2d/0x2d [ 341.570102] ? arch_local_irq_restore+0x45/0x52 [ 341.574774] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 341.579790] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 341.584554] ? show_mem+0x1e/0x17b [ 341.588103] show_mem+0x34/0x17b [ 341.591493] dump_header+0x2f1/0xf72 [ 341.595221] ? pagefault_out_of_memory+0x197/0x197 [ 341.600166] ? __lock_acquire+0x7ec/0x4ec0 [ 341.604402] ? mem_cgroup_charge_statistics+0x780/0x780 [ 341.609766] ? print_usage_bug+0xc0/0xc0 [ 341.613830] ? print_usage_bug+0xc0/0xc0 [ 341.617902] ? graph_lock+0x170/0x170 [ 341.621705] ? print_usage_bug+0xc0/0xc0 [ 341.625777] ? print_usage_bug+0xc0/0xc0 [ 341.629846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.635387] ? find_held_lock+0x36/0x1c0 [ 341.639463] ? mark_held_locks+0xc7/0x130 [ 341.643627] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.648736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.653843] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.658431] ? trace_hardirqs_on+0xbd/0x310 [ 341.662771] ? kasan_check_read+0x11/0x20 [ 341.666918] ? ___ratelimit+0x36f/0x655 [ 341.670894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.676348] ? trace_hardirqs_on+0x310/0x310 [ 341.680759] ? lock_downgrade+0x900/0x900 [ 341.684920] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.690029] ? ___ratelimit+0xaa/0x655 [ 341.693918] ? idr_get_free+0xec0/0xec0 [ 341.697901] ? kasan_check_write+0x14/0x20 [ 341.702137] ? do_raw_spin_lock+0xc1/0x200 [ 341.706381] oom_kill_process.cold.27+0x10/0x903 [ 341.711142] ? graph_lock+0x170/0x170 [ 341.714955] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 341.720751] ? kasan_check_read+0x11/0x20 [ 341.724902] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.730185] ? oom_evaluate_task+0x540/0x540 [ 341.734602] ? find_held_lock+0x36/0x1c0 [ 341.738677] ? out_of_memory+0x974/0x1430 [ 341.742835] ? lock_downgrade+0x900/0x900 [ 341.747012] ? check_preemption_disabled+0x48/0x200 [ 341.752042] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 341.757842] ? kasan_check_read+0x11/0x20 [ 341.761994] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.767276] ? rcu_bh_qs+0xc0/0xc0 [ 341.770826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.776363] ? oom_evaluate_task+0x302/0x540 [ 341.780783] out_of_memory+0xa84/0x1430 [ 341.784775] ? oom_killer_disable+0x3a0/0x3a0 [ 341.789272] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 341.794205] ? __mutex_add_waiter+0x2a0/0x2a0 [ 341.798717] __alloc_pages_slowpath+0x2318/0x2d80 [ 341.803598] ? warn_alloc+0x120/0x120 [ 341.807399] ? __radix_tree_lookup+0x4c0/0x4c0 [ 341.811997] ? find_get_entry+0x2f2/0xc40 [ 341.816161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.821701] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 341.826633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.832176] ? should_fail+0x22d/0xd01 [ 341.836071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.841174] ? __lock_is_held+0xb5/0x140 [ 341.845263] ? __lock_is_held+0xb5/0x140 [ 341.849338] ? kasan_check_read+0x11/0x20 [ 341.853498] ? ___might_sleep+0x1ed/0x300 [ 341.857646] ? lock_release+0x970/0x970 [ 341.861622] ? arch_local_save_flags+0x40/0x40 [ 341.866219] ? __might_sleep+0x95/0x190 [ 341.870198] __alloc_pages_nodemask+0xa80/0xde0 [ 341.874878] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 341.879903] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 341.885702] ? kasan_check_read+0x11/0x20 [ 341.889851] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.895133] ? graph_lock+0x170/0x170 [ 341.898938] ? print_usage_bug+0xc0/0xc0 [ 341.903006] ? graph_lock+0x170/0x170 [ 341.906806] ? graph_lock+0x170/0x170 [ 341.910611] ? __do_page_cache_readahead+0x7ce/0x980 [ 341.915723] ? find_held_lock+0x36/0x1c0 [ 341.919794] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 341.925336] alloc_pages_current+0x10c/0x210 [ 341.929743] ? lock_downgrade+0x900/0x900 [ 341.933902] __page_cache_alloc+0x38f/0x5b0 [ 341.938228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 341.944028] ? kasan_check_read+0x11/0x20 [ 341.948178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.953468] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 341.958149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.963690] ? check_preemption_disabled+0x48/0x200 [ 341.968715] filemap_fault+0x1594/0x25f0 [ 341.972793] ? __lock_page_or_retry+0xa00/0xa00 [ 341.977478] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 341.983277] ? kasan_check_read+0x11/0x20 [ 341.987430] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.992722] ? rcu_bh_qs+0xc0/0xc0 [ 341.996264] ? remove_wait_queue+0x1a6/0x360 [ 342.000682] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.006145] ? filemap_map_pages+0xdea/0x1980 [ 342.010658] ? print_usage_bug+0xc0/0xc0 [ 342.014726] ? find_get_pages_range_tag+0x1320/0x1320 [ 342.019914] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.025459] ? fput+0x130/0x1a0 [ 342.028747] ? graph_lock+0x170/0x170 [ 342.032552] ? __lock_acquire+0x7ec/0x4ec0 [ 342.036810] ? lock_acquire+0x1ed/0x520 [ 342.040802] ? ext4_filemap_fault+0x7a/0xad [ 342.045131] ? lock_release+0x970/0x970 [ 342.049110] ? arch_local_save_flags+0x40/0x40 [ 342.053698] ? select_estimate_accuracy+0x4b0/0x4b0 [ 342.058735] ? down_read+0xb0/0x1d0 [ 342.062367] ? ext4_filemap_fault+0x7a/0xad [ 342.066691] ? __down_interruptible+0x700/0x700 [ 342.071379] ext4_filemap_fault+0x82/0xad [ 342.075536] __do_fault+0x100/0x6b0 [ 342.079173] ? print_bad_pte+0x6c0/0x6c0 [ 342.083236] ? find_held_lock+0x36/0x1c0 [ 342.087303] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 342.092499] ? pmd_val+0x88/0x100 [ 342.095953] ? add_mm_counter_fast+0xd0/0xd0 [ 342.100363] ? pmd_val+0x88/0x100 [ 342.103819] ? add_mm_counter_fast+0xd0/0xd0 [ 342.108239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.113786] __handle_mm_fault+0x3709/0x53e0 [ 342.118205] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 342.123052] ? graph_lock+0x170/0x170 [ 342.126854] ? print_usage_bug+0xc0/0xc0 [ 342.130918] ? lock_downgrade+0x900/0x900 [ 342.135070] ? graph_lock+0x170/0x170 [ 342.138871] ? graph_lock+0x170/0x170 [ 342.142693] ? handle_mm_fault+0x42a/0xc70 [ 342.146931] ? lock_downgrade+0x900/0x900 [ 342.151084] ? check_preemption_disabled+0x48/0x200 [ 342.156108] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 342.161927] ? kasan_check_read+0x11/0x20 [ 342.166081] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.171360] ? rcu_bh_qs+0xc0/0xc0 [ 342.174907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.180360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.185904] ? check_preemption_disabled+0x48/0x200 [ 342.190930] handle_mm_fault+0x54f/0xc70 [ 342.194998] ? __handle_mm_fault+0x53e0/0x53e0 [ 342.199585] ? find_vma+0x34/0x190 [ 342.203137] __do_page_fault+0x67d/0xed0 [ 342.207213] ? mm_fault_error+0x380/0x380 [ 342.211361] ? trace_hardirqs_off+0xb8/0x310 [ 342.215775] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.221140] ? trace_hardirqs_on+0x310/0x310 [ 342.225557] do_page_fault+0xf2/0x7e0 [ 342.229363] ? vmalloc_sync_all+0x30/0x30 [ 342.233513] ? error_entry+0x70/0xd0 [ 342.237231] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.242245] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.247174] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.252105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.256949] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.261965] ? trace_hardirqs_off+0x310/0x310 [ 342.266485] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 342.271507] ? prepare_exit_to_usermode+0x291/0x3b0 [ 342.276529] ? page_fault+0x8/0x30 [ 342.280075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.284920] ? page_fault+0x8/0x30 [ 342.288479] page_fault+0x1e/0x30 [ 342.291936] RIP: 0033:0x7fee04444dd3 [ 342.295655] Code: Bad RIP value. [ 342.299021] RSP: 002b:00007fff31fd79d8 EFLAGS: 00010246 [ 342.304386] RAX: 0000000000000000 RBX: 00007fff31fd7b80 RCX: 00007fee04444dd3 [ 342.311656] RDX: 0000000000000000 RSI: 00007fff31fd7d30 RDI: 000000000000000b [ 342.318924] RBP: 00007fff31fd7d30 R08: 00007fff31fd7db0 R09: 0000000000000001 [ 342.326194] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 342.333475] R13: 00007fff31fd8110 R14: 0000000000000000 R15: 0000000000000000 [ 342.340775] warn_alloc_show_mem: 1 callbacks suppressed [ 342.340787] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 342.340789] Mem-Info: [ 342.340820] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 342.340820] active_file:14 inactive_file:13 isolated_file:0 [ 342.340820] unevictable:0 dirty:0 writeback:0 unstable:0 [ 342.340820] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 342.340820] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 342.340820] free:13770 free_pcp:421 free_cma:0 [ 342.346162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.346170] Call Trace: [ 342.353542] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 342.355939] [ 342.389489] Node 0 [ 342.398852] dump_stack+0x1c4/0x2b4 [ 342.401428] 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 [ 342.428989] ? dump_stack_print_info.cold.2+0x52/0x52 [ 342.431119] lowmem_reserve[]: 0 [ 342.433374] warn_alloc.cold.119+0xb7/0x1bd [ 342.436969] 2819 [ 342.462479] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.467652] 6323 [ 342.470926] ? lock_downgrade+0x900/0x900 [ 342.475235] 6323 [ 342.477317] ? trace_hardirqs_off+0xb8/0x310 [ 342.482131] Node 0 [ 342.484197] ? trace_hardirqs_off+0xb8/0x310 [ 342.488341] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 342.490378] __alloc_pages_slowpath+0x2667/0x2d80 [ 342.494751] lowmem_reserve[]: 0 [ 342.497021] ? warn_alloc+0x120/0x120 [ 342.501380] 0 [ 342.528353] ? warn_alloc+0x120/0x120 [ 342.533169] 3503 [ 342.536445] ? print_usage_bug+0xc0/0xc0 [ 342.540228] 3503 [ 342.542028] ? warn_alloc+0x120/0x120 [ 342.545804] Node 0 [ 342.547862] ? print_usage_bug+0xc0/0xc0 [ 342.551927] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 342.553959] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 342.557726] lowmem_reserve[]: 0 [ 342.559965] ? ktime_get+0x2e1/0x440 [ 342.564002] 0 [ 342.592462] ? check_preemption_disabled+0x48/0x200 [ 342.597461] 0 [ 342.600741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.604430] 0 [ 342.606237] ? should_fail+0x22d/0xd01 [ 342.611226] Node 0 [ 342.613028] ? kasan_check_read+0x11/0x20 [ 342.618539] DMA: [ 342.620338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.624202] 1*4kB [ 342.626447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.630578] (U) [ 342.632637] ? __lock_acquire+0x7ec/0x4ec0 [ 342.637887] 0*8kB [ 342.640034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.645169] 0*16kB [ 342.647164] ? should_fail+0x22d/0xd01 [ 342.651375] 1*32kB [ 342.653526] ? mark_held_locks+0x130/0x130 [ 342.658600] (U) [ 342.660834] ? mark_held_locks+0x130/0x130 [ 342.664710] 2*64kB (U) [ 342.666966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.671169] 1*128kB (U) [ 342.673150] ? graph_lock+0x170/0x170 [ 342.677356] 1*256kB [ 342.679932] ? mark_held_locks+0xc7/0x130 [ 342.685445] (U) [ 342.688117] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 342.691889] 0*512kB 1*1024kB [ 342.694216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.698337] (U) [ 342.700310] ? check_preemption_disabled+0x48/0x200 [ 342.705294] 1*2048kB (M) [ 342.708425] ? check_preemption_disabled+0x48/0x200 [ 342.713940] 3*4096kB [ 342.715917] ? __lock_is_held+0xb5/0x140 [ 342.720900] (M) [ 342.723655] __alloc_pages_nodemask+0xa80/0xde0 [ 342.728646] = 15908kB [ 342.731050] ? graph_lock+0x170/0x170 [ 342.735091] Node 0 [ 342.737065] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 342.741700] DMA32: 5*4kB [ 342.744113] ? graph_lock+0x170/0x170 [ 342.747890] (UMH) [ 342.750128] ? find_held_lock+0x36/0x1c0 [ 342.755109] 2*8kB (MH) [ 342.757875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.761645] 3*16kB [ 342.763787] ? lock_downgrade+0x900/0x900 [ 342.767824] (MH) [ 342.770409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.775053] 3*32kB [ 342.777283] cache_grow_begin+0x91/0x8c0 [ 342.781403] (MH) [ 342.783473] ? do_raw_spin_unlock+0xa7/0x2f0 [ 342.788995] 5*64kB [ 342.791241] fallback_alloc+0x203/0x2e0 [ 342.795273] (MH) [ 342.797336] ____cache_alloc_node+0x1c7/0x1e0 [ 342.801710] 3*128kB (M) [ 342.803967] kmem_cache_alloc_node+0xe3/0x730 [ 342.807926] 5*256kB (UMH) [ 342.809999] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.814486] 5*512kB [ 342.817155] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 342.821625] (UMH) [ 342.824478] __alloc_skb+0x119/0x770 [ 342.829550] 4*1024kB (UMH) [ 342.831877] ? calc_wheel_index+0x220/0x220 [ 342.836434] 2*2048kB [ 342.838585] ? skb_scrub_packet+0x490/0x490 [ 342.842272] (M) [ 342.845205] ? vprintk_default+0x28/0x30 [ 342.849499] 3*4096kB [ 342.851903] ? vprintk_func+0x85/0x181 [ 342.856201] (M) [ 342.858171] ? printk+0xa7/0xcf [ 342.862204] = 25204kB [ 342.862212] Node 0 [ 342.864617] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 342.868489] Normal: [ 342.870470] ? try_to_wake_up+0x10a/0x12f0 [ 342.873732] 990*4kB [ 342.876141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.878352] (UMEH) [ 342.883104] new_skb+0x26/0x1c0 [ 342.885437] 505*8kB [ 342.889673] aoecmd_cfg+0x279/0x7f0 [ 342.891972] (MEH) [ 342.897087] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 342.899312] 189*16kB [ 342.902584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.904880] (MEH) [ 342.908522] ? check_preemption_disabled+0x48/0x200 [ 342.910643] 66*32kB (UMH) [ 342.914983] ? check_preemption_disabled+0x48/0x200 [ 342.917358] 0*64kB 1*128kB [ 342.922903] ? __lock_is_held+0xb5/0x140 [ 342.925015] (H) 1*256kB [ 342.930044] discover_timer+0x50/0x60 [ 342.932855] (H) 1*512kB [ 342.937876] call_timer_fn+0x272/0x920 [ 342.940784] (H) [ 342.944839] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.947492] 0*1024kB [ 342.951295] ? process_timeout+0x40/0x40 [ 342.953944] 0*2048kB [ 342.957823] ? find_held_lock+0x36/0x1c0 [ 342.959778] 0*4096kB [ 342.964616] ? __run_timers+0x7da/0xc70 [ 342.966999] = 14032kB [ 342.971059] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.973459] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.977509] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.979902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.983865] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.986266] 5170 total pagecache pages [ 342.990763] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 342.999581] 0 pages in swap cache [ 343.004064] ? trace_hardirqs_on+0xbd/0x310 [ 343.012611] Swap cache stats: add 0, delete 0, find 0/0 [ 343.012619] Free swap = 0kB [ 343.017467] ? kasan_check_read+0x11/0x20 [ 343.021331] Total swap = 0kB [ 343.025907] ? __run_timers+0x7da/0xc70 [ 343.029336] 1965979 pages RAM [ 343.033649] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.038991] 0 pages HighMem/MovableOnly [ 343.042014] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.046124] 342306 pages reserved [ 343.046132] 0 pages cma reserved [ 343.049144] __run_timers+0x7e5/0xc70 [ 343.053162] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.056211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.061740] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.065616] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 343.070436] init cpuset= [ 343.073907] ? graph_lock+0x170/0x170 [ 343.077248] / [ 343.081046] ? enqueue_hrtimer+0x1a5/0x560 [ 343.087516] mems_allowed=0 [ 343.092870] ? lock_release+0x970/0x970 [ 343.126821] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 343.132020] ? find_held_lock+0x36/0x1c0 [ 343.136087] ? graph_lock+0x170/0x170 [ 343.139891] ? pvclock_read_flags+0x160/0x160 [ 343.144392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.149934] ? check_preemption_disabled+0x48/0x200 [ 343.155055] ? __lock_is_held+0xb5/0x140 [ 343.159117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.164658] ? check_preemption_disabled+0x48/0x200 [ 343.169683] run_timer_softirq+0x52/0xb0 [ 343.173751] ? rcu_read_lock_sched_held+0x108/0x120 [ 343.178773] __do_softirq+0x30b/0xad8 [ 343.182588] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 343.187698] ? pvclock_read_flags+0x160/0x160 [ 343.192194] ? lapic_next_event+0x5a/0x90 [ 343.196346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.201885] ? check_preemption_disabled+0x48/0x200 [ 343.206902] ? check_preemption_disabled+0x48/0x200 [ 343.211931] ? kvm_clock_read+0x18/0x30 [ 343.215928] ? kvm_sched_clock_read+0x9/0x20 [ 343.220372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.225910] ? check_preemption_disabled+0x48/0x200 [ 343.230940] irq_exit+0x17f/0x1c0 [ 343.234403] smp_apic_timer_interrupt+0x1cb/0x760 [ 343.239249] ? smp_reschedule_interrupt+0x109/0x650 [ 343.244278] ? smp_call_function_single_interrupt+0x650/0x650 [ 343.250176] ? interrupt_entry+0xb5/0xf0 [ 343.254241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.259260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.264283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.269129] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.274146] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.279164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.284709] ? check_preemption_disabled+0x48/0x200 [ 343.289734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.295283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.300138] apic_timer_interrupt+0xf/0x20 [ 343.304381] [ 343.306653] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 343.311585] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 343.330487] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 343.338201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 343.345494] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 343.352765] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 343.360037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 343.367307] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 343.374620] skb_clone+0x1bb/0x500 [ 343.378167] ? finish_task_switch+0x2f5/0x900 [ 343.382663] ? skb_split+0x11e0/0x11e0 [ 343.386559] ? preempt_notifier_register+0x200/0x200 [ 343.391662] ? __switch_to_asm+0x34/0x70 [ 343.395916] ? __switch_to_asm+0x34/0x70 [ 343.399981] ? __switch_to_asm+0x40/0x70 [ 343.404042] ? __switch_to_asm+0x34/0x70 [ 343.408120] ? __switch_to_asm+0x40/0x70 [ 343.412184] ? __switch_to_asm+0x34/0x70 [ 343.416248] ? __switch_to_asm+0x40/0x70 [ 343.420312] ? __switch_to_asm+0x34/0x70 [ 343.424372] ? __switch_to_asm+0x34/0x70 [ 343.428433] ? __switch_to_asm+0x40/0x70 [ 343.432504] ? __switch_to_asm+0x34/0x70 [ 343.436575] bpf_clone_redirect+0xb9/0x490 [ 343.440815] ? __schedule+0x874/0x1ed0 [ 343.444711] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 343.449729] ? __sched_text_start+0x8/0x8 [ 343.453896] ? find_held_lock+0x36/0x1c0 [ 343.457967] ? lock_acquire+0x1ed/0x520 [ 343.461956] ? bpf_test_run+0x3cb/0x780 [ 343.465940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.471492] ? check_preemption_disabled+0x48/0x200 [ 343.476524] ? kasan_check_read+0x11/0x20 [ 343.480680] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.485961] ? rcu_bh_qs+0xc0/0xc0 [ 343.489509] ? preempt_schedule+0x4d/0x60 [ 343.493662] ? ___preempt_schedule+0x16/0x18 [ 343.498536] ? bpf_test_run+0x25d/0x780 [ 343.502530] ? netlink_diag_dump+0x2a0/0x2a0 [ 343.506948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.512500] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 343.517270] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.522112] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.527658] ? fput+0x130/0x1a0 [ 343.530963] ? __bpf_prog_get+0x9b/0x290 [ 343.535040] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.539884] ? bpf_prog_test_run+0x130/0x1a0 [ 343.544298] ? __x64_sys_bpf+0x3d8/0x520 [ 343.548361] ? bpf_prog_get+0x20/0x20 [ 343.552201] ? do_syscall_64+0x1b9/0x820 [ 343.556280] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 343.561657] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.566595] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.571641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 343.576663] ? recalc_sigpending_tsk+0x180/0x180 [ 343.581422] ? kasan_check_write+0x14/0x20 [ 343.585674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.590529] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.595915] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #129 [ 343.596001] aoe: skb alloc failure [ 343.602155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.602161] Call Trace: [ 343.602168] [ 343.602187] dump_stack+0x1c4/0x2b4 [ 343.602206] ? dump_stack_print_info.cold.2+0x52/0x52 [ 343.605758] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.615093] warn_alloc.cold.119+0xb7/0x1bd [ 343.617646] syz-executor2 cpuset= [ 343.619792] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.623394] syz2 [ 343.628577] ? lock_downgrade+0x900/0x900 [ 343.639042] mems_allowed=0 [ 343.643371] ? trace_hardirqs_off+0xb8/0x310 [ 343.665040] ? trace_hardirqs_off+0xb8/0x310 [ 343.669466] __alloc_pages_slowpath+0x2667/0x2d80 [ 343.674349] ? warn_alloc+0x120/0x120 [ 343.678151] ? trace_hardirqs_on+0x310/0x310 [ 343.682568] ? warn_alloc+0x120/0x120 [ 343.686371] ? print_usage_bug+0xc0/0xc0 [ 343.690431] ? warn_alloc+0x120/0x120 [ 343.694243] ? ktime_get+0x2e1/0x440 [ 343.697957] ? print_usage_bug+0xc0/0xc0 [ 343.702027] ? __lock_acquire+0x7ec/0x4ec0 [ 343.706265] ? __lock_acquire+0x7ec/0x4ec0 [ 343.710507] ? kasan_check_read+0x11/0x20 [ 343.714661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.720203] ? should_fail+0x22d/0xd01 [ 343.724122] ? rcu_bh_qs+0xc0/0xc0 [ 343.727670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.732771] ? __lock_acquire+0x7ec/0x4ec0 [ 343.737014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.742114] ? __lock_acquire+0x7ec/0x4ec0 [ 343.746349] ? should_fail+0x22d/0xd01 [ 343.750246] ? rcu_idle_enter+0x4b0/0x4b0 [ 343.754413] ? mark_held_locks+0x130/0x130 [ 343.758669] ? mark_held_locks+0x130/0x130 [ 343.762912] ? mark_held_locks+0xc7/0x130 [ 343.767077] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 343.772099] ? graph_lock+0x170/0x170 [ 343.775903] ? print_usage_bug+0xc0/0xc0 [ 343.780059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.785599] ? check_preemption_disabled+0x48/0x200 [ 343.790620] ? check_preemption_disabled+0x48/0x200 [ 343.795648] ? __lock_is_held+0xb5/0x140 [ 343.799722] __alloc_pages_nodemask+0xa80/0xde0 [ 343.804392] ? graph_lock+0x170/0x170 [ 343.808202] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 343.813215] ? graph_lock+0x170/0x170 [ 343.817033] ? find_held_lock+0x36/0x1c0 [ 343.821108] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.825778] ? lock_downgrade+0x900/0x900 [ 343.829938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.835494] cache_grow_begin+0x91/0x8c0 [ 343.839564] ? do_raw_spin_unlock+0xa7/0x2f0 [ 343.843981] fallback_alloc+0x203/0x2e0 [ 343.847966] ____cache_alloc_node+0x1c7/0x1e0 [ 343.852482] kmem_cache_alloc_node+0xe3/0x730 [ 343.856978] ? ipv6_get_ifaddr+0x42e/0x620 [ 343.861227] __alloc_skb+0x119/0x770 [ 343.864943] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.870230] ? skb_scrub_packet+0x490/0x490 [ 343.874553] ? lock_downgrade+0x900/0x900 [ 343.878743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.884283] ? refcount_sub_and_test_checked+0x203/0x310 [ 343.889739] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 343.895195] ? addrconf_rs_timer+0x690/0x690 [ 343.899621] ndisc_alloc_skb+0x144/0x340 [ 343.903688] ndisc_send_rs+0x331/0x6e0 [ 343.907588] addrconf_rs_timer+0x314/0x690 [ 343.911828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.916082] call_timer_fn+0x272/0x920 [ 343.919969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.924212] ? process_timeout+0x40/0x40 [ 343.928276] ? find_held_lock+0x36/0x1c0 [ 343.932345] ? mark_held_locks+0xc7/0x130 [ 343.936504] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.940999] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.945499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.949738] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 343.954325] ? trace_hardirqs_on+0xbd/0x310 [ 343.958648] ? kasan_check_read+0x11/0x20 [ 343.962795] ? __run_timers+0x7da/0xc70 [ 343.966774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.972232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.976484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.980720] __run_timers+0x7e5/0xc70 [ 343.984536] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.989902] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 343.994923] ? graph_lock+0x170/0x170 [ 343.998729] ? print_usage_bug+0xc0/0xc0 [ 344.002791] ? lock_release+0x970/0x970 [ 344.006769] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.011969] ? find_held_lock+0x36/0x1c0 [ 344.016040] ? graph_lock+0x170/0x170 [ 344.019847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.025391] ? check_preemption_disabled+0x48/0x200 [ 344.030423] ? __lock_is_held+0xb5/0x140 [ 344.034499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.040039] ? check_preemption_disabled+0x48/0x200 [ 344.045066] run_timer_softirq+0x52/0xb0 [ 344.049132] ? rcu_read_lock_sched_held+0x108/0x120 [ 344.054149] __do_softirq+0x30b/0xad8 [ 344.057961] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 344.063073] ? pvclock_read_flags+0x160/0x160 [ 344.067572] ? lapic_next_event+0x5a/0x90 [ 344.071722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.077281] ? check_preemption_disabled+0x48/0x200 [ 344.082299] ? check_preemption_disabled+0x48/0x200 [ 344.087322] ? kvm_clock_read+0x18/0x30 [ 344.091297] ? kvm_sched_clock_read+0x9/0x20 [ 344.095707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.101248] ? check_preemption_disabled+0x48/0x200 [ 344.106280] irq_exit+0x17f/0x1c0 [ 344.109747] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.114591] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.120489] ? interrupt_entry+0xb5/0xf0 [ 344.124567] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.129594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.134614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.139467] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.144495] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.149520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.155060] ? check_preemption_disabled+0x48/0x200 [ 344.160077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.165626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.170493] apic_timer_interrupt+0xf/0x20 [ 344.174725] [ 344.176968] RIP: 0010:console_unlock+0xfdf/0x1160 [ 344.181813] 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 fb 81 5c 00 [ 344.200715] RSP: 0000:ffff8801d9a4d4c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 344.208442] RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126 [ 344.215722] RDX: 0000000000000000 RSI: ffffffff81649df6 RDI: 0000000000000293 [ 344.222987] RBP: ffff8801d9a4d630 R08: ffff8801d9a40930 R09: 0000000000000006 [ 344.230254] R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 [ 344.237521] R13: ffffffff84871020 R14: dffffc0000000000 R15: ffffffff89942110 [ 344.244802] ? netconsole_netdev_event+0x280/0x280 [ 344.249743] ? console_unlock+0xfd6/0x1160 [ 344.254002] ? devkmsg_read+0xbb0/0xbb0 [ 344.257976] ? vprintk_emit+0x7f7/0x930 [ 344.261960] ? lock_release+0x970/0x970 [ 344.265938] ? trace_hardirqs_on+0x10/0x310 [ 344.270263] ? vprintk_default+0x28/0x30 [ 344.274326] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.279779] ? kasan_check_write+0x14/0x20 [ 344.284017] ? do_raw_spin_lock+0xc1/0x200 [ 344.288262] vprintk_emit+0x33d/0x930 [ 344.292075] ? wake_up_klogd+0x180/0x180 [ 344.296137] ? __lock_acquire+0x750/0x4ec0 [ 344.300371] ? mark_held_locks+0x130/0x130 [ 344.304628] ? find_held_lock+0x36/0x1c0 [ 344.308711] ? mark_held_locks+0xc7/0x130 [ 344.312865] vprintk_default+0x28/0x30 [ 344.316752] vprintk_func+0x7e/0x181 [ 344.320489] printk+0xa7/0xcf [ 344.323599] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 344.328359] ? kasan_check_write+0x14/0x20 [ 344.332596] ? do_raw_spin_lock+0xc1/0x200 [ 344.336845] show_free_areas.cold.120+0x1f34/0x215d [ 344.341885] ? si_meminfo_node+0x260/0x260 [ 344.346123] ? __lock_acquire+0x7ec/0x4ec0 [ 344.350365] ? __lock_acquire+0x7ec/0x4ec0 [ 344.354602] ? __lock_acquire+0x7ec/0x4ec0 [ 344.358874] ? mark_held_locks+0x130/0x130 [ 344.363131] ? mark_held_locks+0x130/0x130 [ 344.367893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.373431] ? graph_lock+0x170/0x170 [ 344.377242] ? put_dec+0x3b/0xf0 [ 344.380612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.386148] ? number+0x972/0xca0 [ 344.389605] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 344.394641] ? find_held_lock+0x36/0x1c0 [ 344.398714] ? serial8250_console_write+0x8b3/0xb10 [ 344.403731] ? lock_downgrade+0x900/0x900 [ 344.407901] ? graph_lock+0x170/0x170 [ 344.411718] ? graph_lock+0x170/0x170 [ 344.415527] ? print_usage_bug+0xc0/0xc0 [ 344.419604] ? do_raw_spin_unlock+0xa7/0x2f0 [ 344.424033] ? trace_hardirqs_on+0x310/0x310 [ 344.428447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.433998] ? wq_watchdog_touch+0x9c/0xfe [ 344.438237] ? io_serial_in+0x11/0x90 [ 344.442050] ? find_held_lock+0x36/0x1c0 [ 344.446122] ? mark_held_locks+0xc7/0x130 [ 344.450273] ? console_unlock+0xfaa/0x1160 [ 344.454525] ? console_unlock+0xfaa/0x1160 [ 344.458761] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.463350] ? vprintk_emit+0x33d/0x930 [ 344.467352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.472806] ? kasan_check_write+0x14/0x20 [ 344.477042] ? do_raw_spin_lock+0xc1/0x200 [ 344.481284] ? netconsole_netdev_event+0x280/0x280 [ 344.486218] ? console_unlock+0x9ba/0x1160 [ 344.490503] ? devkmsg_read+0xbb0/0xbb0 [ 344.494489] ? vprintk_emit+0x7f7/0x930 [ 344.498479] ? lock_release+0x970/0x970 [ 344.502464] ? preempt_count_add+0x7d/0x160 [ 344.506794] ? wake_up_klogd+0x11a/0x180 [ 344.510857] ? console_device+0xc0/0xc0 [ 344.514834] ? do_raw_spin_lock+0xc1/0x200 [ 344.519088] ? vprintk_emit+0x268/0x930 [ 344.523071] ? wake_up_klogd+0x180/0x180 [ 344.527132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.531907] ? trace_hardirqs_off+0x310/0x310 [ 344.536411] ? retint_kernel+0x1b/0x2d [ 344.540298] ? trace_hardirqs_on+0x310/0x310 [ 344.544724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.549508] ? retint_kernel+0x2d/0x2d [ 344.553409] ? arch_local_irq_restore+0x45/0x52 [ 344.558085] ? load_image_lzo.cold.17+0x145a/0x1a69 [ 344.563100] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 344.567867] ? show_mem+0x1e/0x17b [ 344.571416] show_mem+0x34/0x17b [ 344.574798] dump_header+0x2f1/0xf72 [ 344.578530] ? pagefault_out_of_memory+0x197/0x197 [ 344.583478] ? __lock_acquire+0x7ec/0x4ec0 [ 344.587719] ? mem_cgroup_charge_statistics+0x780/0x780 [ 344.593085] ? print_usage_bug+0xc0/0xc0 [ 344.597160] ? print_usage_bug+0xc0/0xc0 [ 344.601234] ? graph_lock+0x170/0x170 [ 344.605035] ? print_usage_bug+0xc0/0xc0 [ 344.609125] ? print_usage_bug+0xc0/0xc0 [ 344.613206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.618756] ? find_held_lock+0x36/0x1c0 [ 344.622842] ? mark_held_locks+0xc7/0x130 [ 344.626996] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 344.632103] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 344.637206] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.641790] ? trace_hardirqs_on+0xbd/0x310 [ 344.646112] ? kasan_check_read+0x11/0x20 [ 344.650261] ? ___ratelimit+0x36f/0x655 [ 344.654241] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.659694] ? trace_hardirqs_on+0x310/0x310 [ 344.664103] ? lock_downgrade+0x900/0x900 [ 344.668261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.673370] ? ___ratelimit+0xaa/0x655 [ 344.677265] ? idr_get_free+0xec0/0xec0 [ 344.681245] ? kasan_check_write+0x14/0x20 [ 344.685512] ? do_raw_spin_lock+0xc1/0x200 [ 344.689761] oom_kill_process.cold.27+0x10/0x903 [ 344.694526] ? graph_lock+0x170/0x170 [ 344.698340] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.704141] ? kasan_check_read+0x11/0x20 [ 344.708298] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.713578] ? oom_evaluate_task+0x540/0x540 [ 344.717997] ? find_held_lock+0x36/0x1c0 [ 344.722069] ? out_of_memory+0x974/0x1430 [ 344.726217] ? lock_downgrade+0x900/0x900 [ 344.730368] ? check_preemption_disabled+0x48/0x200 [ 344.735393] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.741190] ? kasan_check_read+0x11/0x20 [ 344.745356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.750639] ? rcu_bh_qs+0xc0/0xc0 [ 344.754187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.759733] ? oom_evaluate_task+0x302/0x540 [ 344.764150] out_of_memory+0xa84/0x1430 [ 344.768139] ? oom_killer_disable+0x3a0/0x3a0 [ 344.772642] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 344.777575] ? __mutex_add_waiter+0x2a0/0x2a0 [ 344.782086] __alloc_pages_slowpath+0x2318/0x2d80 [ 344.786962] ? warn_alloc+0x120/0x120 [ 344.790768] ? __radix_tree_lookup+0x4c0/0x4c0 [ 344.795369] ? find_get_entry+0x2f2/0xc40 [ 344.799532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.805074] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 344.810010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.815553] ? should_fail+0x22d/0xd01 [ 344.819447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.824569] ? __lock_is_held+0xb5/0x140 [ 344.828659] ? __lock_is_held+0xb5/0x140 [ 344.832733] ? kasan_check_read+0x11/0x20 [ 344.836888] ? ___might_sleep+0x1ed/0x300 [ 344.841033] ? lock_release+0x970/0x970 [ 344.845013] ? arch_local_save_flags+0x40/0x40 [ 344.849609] ? __might_sleep+0x95/0x190 [ 344.853594] __alloc_pages_nodemask+0xa80/0xde0 [ 344.858284] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 344.863306] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.869105] ? kasan_check_read+0x11/0x20 [ 344.873256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.878545] ? graph_lock+0x170/0x170 [ 344.882348] ? print_usage_bug+0xc0/0xc0 [ 344.886415] ? graph_lock+0x170/0x170 [ 344.890222] ? graph_lock+0x170/0x170 [ 344.894027] ? __do_page_cache_readahead+0x7ce/0x980 [ 344.899137] ? find_held_lock+0x36/0x1c0 [ 344.903207] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 344.908749] alloc_pages_current+0x10c/0x210 [ 344.913185] ? lock_downgrade+0x900/0x900 [ 344.917347] __page_cache_alloc+0x38f/0x5b0 [ 344.921672] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.927480] ? kasan_check_read+0x11/0x20 [ 344.931631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.936913] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 344.941586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.947128] ? check_preemption_disabled+0x48/0x200 [ 344.952153] filemap_fault+0x1594/0x25f0 [ 344.956238] ? __lock_page_or_retry+0xa00/0xa00 [ 344.960908] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.966720] ? kasan_check_read+0x11/0x20 [ 344.970868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.976157] ? rcu_bh_qs+0xc0/0xc0 [ 344.979703] ? remove_wait_queue+0x1a6/0x360 [ 344.984116] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.989585] ? filemap_map_pages+0xdea/0x1980 [ 344.994100] ? print_usage_bug+0xc0/0xc0 [ 344.998162] ? find_get_pages_range_tag+0x1320/0x1320 [ 345.003352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.008888] ? fput+0x130/0x1a0 [ 345.012197] ? graph_lock+0x170/0x170 [ 345.016001] ? __lock_acquire+0x7ec/0x4ec0 [ 345.020259] ? lock_acquire+0x1ed/0x520 [ 345.024250] ? ext4_filemap_fault+0x7a/0xad [ 345.028588] ? lock_release+0x970/0x970 [ 345.032568] ? arch_local_save_flags+0x40/0x40 [ 345.037169] ? select_estimate_accuracy+0x4b0/0x4b0 [ 345.042204] ? down_read+0xb0/0x1d0 [ 345.045829] ? ext4_filemap_fault+0x7a/0xad [ 345.050183] ? __down_interruptible+0x700/0x700 [ 345.054873] ext4_filemap_fault+0x82/0xad [ 345.059026] __do_fault+0x100/0x6b0 [ 345.062663] ? print_bad_pte+0x6c0/0x6c0 [ 345.066726] ? find_held_lock+0x36/0x1c0 [ 345.070794] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 345.075983] ? pmd_val+0x88/0x100 [ 345.079439] ? add_mm_counter_fast+0xd0/0xd0 [ 345.083862] ? pmd_val+0x88/0x100 [ 345.087319] ? add_mm_counter_fast+0xd0/0xd0 [ 345.091731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.097278] __handle_mm_fault+0x3709/0x53e0 [ 345.101697] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 345.106560] ? graph_lock+0x170/0x170 [ 345.110364] ? print_usage_bug+0xc0/0xc0 [ 345.114427] ? lock_downgrade+0x900/0x900 [ 345.118584] ? graph_lock+0x170/0x170 [ 345.122383] ? graph_lock+0x170/0x170 [ 345.126208] ? handle_mm_fault+0x42a/0xc70 [ 345.130443] ? lock_downgrade+0x900/0x900 [ 345.134628] ? check_preemption_disabled+0x48/0x200 [ 345.139653] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.145479] ? kasan_check_read+0x11/0x20 [ 345.149630] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.154910] ? rcu_bh_qs+0xc0/0xc0 [ 345.158460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.163916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.169480] ? check_preemption_disabled+0x48/0x200 [ 345.174514] handle_mm_fault+0x54f/0xc70 [ 345.178582] ? __handle_mm_fault+0x53e0/0x53e0 [ 345.183168] ? find_vma+0x34/0x190 [ 345.186720] __do_page_fault+0x67d/0xed0 [ 345.190791] ? mm_fault_error+0x380/0x380 [ 345.194939] ? trace_hardirqs_off+0xb8/0x310 [ 345.199356] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.204719] ? trace_hardirqs_on+0x310/0x310 [ 345.209134] do_page_fault+0xf2/0x7e0 [ 345.212937] ? vmalloc_sync_all+0x30/0x30 [ 345.217085] ? error_entry+0x70/0xd0 [ 345.220804] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.225822] ? trace_hardirqs_on_caller+0xc0/0x310 [ 345.230759] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.235688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.240534] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.245550] ? trace_hardirqs_off+0x310/0x310 [ 345.250050] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 345.255071] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.260090] ? page_fault+0x8/0x30 [ 345.263637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.268497] ? page_fault+0x8/0x30 [ 345.272042] page_fault+0x1e/0x30 [ 345.275505] RIP: 0033:0x7fee04444dd3 [ 345.279250] Code: Bad RIP value. [ 345.282613] RSP: 002b:00007fff31fd79d8 EFLAGS: 00010246 [ 345.287976] RAX: 0000000000000000 RBX: 00007fff31fd7b80 RCX: 00007fee04444dd3 [ 345.295246] RDX: 0000000000000000 RSI: 00007fff31fd7d30 RDI: 000000000000000b [ 345.302513] RBP: 00007fff31fd7d30 R08: 00007fff31fd7db0 R09: 0000000000000001 [ 345.309786] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 345.317051] R13: 00007fff31fd8110 R14: 0000000000000000 R15: 0000000000000000 [ 345.324342] warn_alloc_show_mem: 1 callbacks suppressed [ 345.324353] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 345.324355] Mem-Info: [ 345.324387] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 345.324387] active_file:14 inactive_file:13 isolated_file:0 [ 345.324387] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.324387] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 345.324387] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 345.324387] free:13770 free_pcp:421 free_cma:0 [ 345.329734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.337098] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 345.339506] Call Trace: [ 345.372573] Node 0 [ 345.381926] [ 345.409524] 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 [ 345.412088] dump_stack+0x1c4/0x2b4 [ 345.414282] lowmem_reserve[]: 0 [ 345.416439] ? dump_stack_print_info.cold.2+0x52/0x52 [ 345.441913] 2819 6323 [ 345.445556] warn_alloc.cold.119+0xb7/0x1bd [ 345.448803] 6323 [ 345.453993] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.460785] ? lock_downgrade+0x900/0x900 [ 345.462824] Node 0 [ 345.467673] ? trace_hardirqs_off+0xb8/0x310 [ 345.471818] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 345.474030] ? trace_hardirqs_off+0xb8/0x310 [ 345.478410] lowmem_reserve[]: [ 345.505912] __alloc_pages_slowpath+0x2667/0x2d80 [ 345.510299] 0 [ 345.513428] ? warn_alloc+0x120/0x120 [ 345.518223] 0 [ 345.520038] ? __lock_acquire+0x7ec/0x4ec0 [ 345.523812] 3503 [ 345.525609] ? warn_alloc+0x120/0x120 [ 345.529823] 3503 [ 345.531883] ? print_usage_bug+0xc0/0xc0 [ 345.537732] ? warn_alloc+0x120/0x120 [ 345.541770] Node 0 [ 345.545561] ? print_usage_bug+0xc0/0xc0 [ 345.545597] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:980kB free_cma:0kB [ 345.547801] ? mark_held_locks+0x130/0x130 [ 345.551828] lowmem_reserve[]: 0 [ 345.580299] ? mark_held_locks+0x130/0x130 [ 345.584510] 0 [ 345.587804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.592012] 0 [ 345.593811] ? should_fail+0x22d/0xd01 [ 345.599336] 0 [ 345.601132] ? graph_lock+0x170/0x170 [ 345.606807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.610586] Node 0 DMA: [ 345.615684] ? __lock_acquire+0x7ec/0x4ec0 [ 345.615702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.618351] 1*4kB [ 345.622580] ? should_fail+0x22d/0xd01 [ 345.627659] (U) [ 345.629840] ? mark_held_locks+0x130/0x130 [ 345.633706] 0*8kB [ 345.635675] ? mark_held_locks+0x130/0x130 [ 345.639887] 0*16kB [ 345.642031] ? lock_downgrade+0x900/0x900 [ 345.646246] 1*32kB [ 345.648488] ? graph_lock+0x170/0x170 [ 345.652612] (U) [ 345.654842] ? graph_lock+0x170/0x170 [ 345.658621] 2*64kB [ 345.660590] ? graph_lock+0x170/0x170 [ 345.664366] (U) [ 345.666603] ? print_usage_bug+0xc0/0xc0 [ 345.670380] 1*128kB [ 345.672352] ? do_raw_spin_unlock+0xa7/0x2f0 [ 345.676399] (U) [ 345.678717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.683099] 1*256kB [ 345.685073] ? check_preemption_disabled+0x48/0x200 [ 345.690582] (U) [ 345.692903] ? check_preemption_disabled+0x48/0x200 [ 345.697897] 0*512kB [ 345.699872] ? __lock_is_held+0xb5/0x140 [ 345.704857] 1*1024kB [ 345.707178] __alloc_pages_nodemask+0xa80/0xde0 [ 345.711215] (U) [ 345.713624] ? graph_lock+0x170/0x170 [ 345.718262] 1*2048kB (M) [ 345.720241] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 345.724020] 3*4096kB [ 345.726773] ? graph_lock+0x170/0x170 [ 345.731765] (M) [ 345.734195] ? find_held_lock+0x36/0x1c0 [ 345.737964] = 15908kB [ 345.739944] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.743973] Node 0 [ 345.746385] ? lock_downgrade+0x900/0x900 [ 345.751033] DMA32: [ 345.753272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.757396] 5*4kB [ 345.759629] cache_grow_begin+0x91/0x8c0 [ 345.765142] (UMH) [ 345.767288] ? do_raw_spin_unlock+0xa7/0x2f0 [ 345.771320] 2*8kB (MH) [ 345.773486] fallback_alloc+0x203/0x2e0 [ 345.777863] 3*16kB (MH) [ 345.780463] ____cache_alloc_node+0x1c7/0x1e0 [ 345.784409] 3*32kB (MH) [ 345.787086] kmem_cache_alloc_node+0xe3/0x730 [ 345.791559] 5*64kB [ 345.794226] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.798708] (MH) [ 345.800940] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 345.806011] 3*128kB (M) [ 345.808081] __alloc_skb+0x119/0x770 [ 345.812632] 5*256kB (UMH) [ 345.815306] ? calc_wheel_index+0x220/0x220 [ 345.818993] 5*512kB [ 345.821830] ? skb_scrub_packet+0x490/0x490 [ 345.826126] (UMH) [ 345.828456] ? vprintk_default+0x28/0x30 [ 345.832740] 4*1024kB (UMH) [ 345.834893] ? vprintk_func+0x85/0x181 [ 345.838930] 2*2048kB (M) [ 345.841873] ? printk+0xa7/0xcf [ 345.845741] 3*4096kB [ 345.848549] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 345.851805] (M) [ 345.854211] ? try_to_wake_up+0x10a/0x12f0 [ 345.858948] = 25204kB [ 345.858956] Node 0 [ 345.860936] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.865137] Normal: 990*4kB [ 345.867555] new_skb+0x26/0x1c0 [ 345.869766] (UMEH) [ 345.874865] aoecmd_cfg+0x279/0x7f0 [ 345.877860] 505*8kB [ 345.881144] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 345.883355] (MEH) [ 345.886981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.889269] 189*16kB (MEH) [ 345.893595] ? check_preemption_disabled+0x48/0x200 [ 345.895723] 66*32kB [ 345.901251] ? check_preemption_disabled+0x48/0x200 [ 345.904155] (UMH) [ 345.909174] ? __lock_is_held+0xb5/0x140 [ 345.911507] 0*64kB [ 345.916534] discover_timer+0x50/0x60 [ 345.918653] 1*128kB (H) [ 345.922722] call_timer_fn+0x272/0x920 [ 345.924931] 1*256kB (H) [ 345.928732] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.931384] 1*512kB [ 345.935265] ? process_timeout+0x40/0x40 [ 345.937904] (H) 0*1024kB [ 345.942749] ? find_held_lock+0x36/0x1c0 [ 345.945051] 0*2048kB [ 345.949109] ? __run_timers+0x7da/0xc70 [ 345.951838] 0*4096kB [ 345.955894] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.958278] = 14032kB [ 345.962243] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.964634] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 345.969113] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.971512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 345.976000] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 345.984811] 5170 total pagecache pages [ 345.989645] ? trace_hardirqs_on+0xbd/0x310 [ 345.998204] 0 pages in swap cache [ 346.002774] ? kasan_check_read+0x11/0x20 [ 346.006634] Swap cache stats: add 0, delete 0, find 0/0 [ 346.006642] Free swap = 0kB [ 346.010956] ? __run_timers+0x7da/0xc70 [ 346.014389] Total swap = 0kB [ 346.018528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.023866] 1965979 pages RAM [ 346.026887] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.030834] 0 pages HighMem/MovableOnly [ 346.033849] __run_timers+0x7e5/0xc70 [ 346.039269] 342306 pages reserved [ 346.039277] 0 pages cma reserved [ 346.042386] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.047263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 346.051163] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 346.051178] ? graph_lock+0x170/0x170 [ 346.051195] ? enqueue_hrtimer+0x1a5/0x560 [ 346.060342] = 15908kB [ 346.061780] ? lock_release+0x970/0x970 [ 346.061797] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 346.061819] ? find_held_lock+0x36/0x1c0 [ 346.067168] Node 0 [ 346.073655] ? graph_lock+0x170/0x170 [ 346.073672] ? pvclock_read_flags+0x160/0x160 [ 346.073690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.078687] DMA32: [ 346.082486] ? check_preemption_disabled+0x48/0x200 [ 346.082513] ? __lock_is_held+0xb5/0x140 [ 346.082530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.086753] 5*4kB [ 346.089157] ? check_preemption_disabled+0x48/0x200 [ 346.093140] (UMH) [ 346.098300] run_timer_softirq+0x52/0xb0 [ 346.102366] 2*8kB [ 346.104572] ? rcu_read_lock_sched_held+0x108/0x120 [ 346.108369] (MH) [ 346.112854] __do_softirq+0x30b/0xad8 [ 346.112880] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 346.112899] ? pvclock_read_flags+0x160/0x160 [ 346.118421] 3*16kB [ 346.120652] ? lapic_next_event+0x5a/0x90 [ 346.125673] (MH) [ 346.129703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.135243] 3*32kB [ 346.137367] ? check_preemption_disabled+0x48/0x200 [ 346.142396] (MH) [ 346.144513] ? check_preemption_disabled+0x48/0x200 [ 346.144534] ? kvm_clock_read+0x18/0x30 [ 346.148571] 5*64kB [ 346.150720] ? kvm_sched_clock_read+0x9/0x20 [ 346.155741] (MH) [ 346.157775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.161580] 3*128kB [ 346.166651] ? check_preemption_disabled+0x48/0x200 [ 346.171152] (M) [ 346.173372] irq_exit+0x17f/0x1c0 [ 346.177491] 5*256kB [ 346.179550] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.185093] (UMH) [ 346.187300] ? smp_reschedule_interrupt+0x109/0x650 [ 346.192320] 5*512kB [ 346.194389] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.199380] (UMH) [ 346.203347] ? interrupt_entry+0xb5/0xf0 [ 346.203363] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.203380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.205610] 4*1024kB [ 346.210026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.212094] (UMH) [ 346.217601] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.219901] 2*2048kB [ 346.224918] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.224933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.224949] ? check_preemption_disabled+0x48/0x200 [ 346.224966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.226927] (M) [ 346.230380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.232708] 3*4096kB [ 346.237518] apic_timer_interrupt+0xf/0x20 [ 346.239644] (M) [ 346.244644] [ 346.244662] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 346.244678] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 346.244690] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 [ 346.247009] = 25204kB [ 346.252872] ORIG_RAX: ffffffffffffff13 [ 346.252881] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 346.252889] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 346.252898] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 346.252912] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 346.255064] Node 0 [ 346.259108] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 346.259156] skb_clone+0x1bb/0x500 [ 346.264148] Normal: [ 346.269134] ? finish_task_switch+0x2f5/0x900 [ 346.271551] 990*4kB [ 346.276374] ? skb_split+0x11e0/0x11e0 [ 346.278503] (UMEH) [ 346.283511] ? preempt_notifier_register+0x200/0x200 [ 346.283526] ? __switch_to_asm+0x34/0x70 [ 346.283544] ? __switch_to_asm+0x34/0x70 [ 346.285937] 505*8kB [ 346.290940] ? __switch_to_asm+0x40/0x70 [ 346.290957] ? __switch_to_asm+0x34/0x70 [ 346.296510] (MEH) [ 346.301492] ? __switch_to_asm+0x40/0x70 [ 346.301505] ? __switch_to_asm+0x34/0x70 [ 346.301525] ? __switch_to_asm+0x40/0x70 [ 346.307059] 189*16kB [ 346.309023] ? __switch_to_asm+0x34/0x70 [ 346.309040] ? __switch_to_asm+0x34/0x70 [ 346.313893] (MEH) [ 346.316265] ? __switch_to_asm+0x40/0x70 [ 346.316283] ? __switch_to_asm+0x34/0x70 [ 346.320499] 66*32kB [ 346.322482] bpf_clone_redirect+0xb9/0x490 [ 346.322498] ? __schedule+0x874/0x1ed0 [ 346.322519] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 346.324736] (UMH) [ 346.329661] ? __sched_text_start+0x8/0x8 [ 346.348583] 0*64kB [ 346.353921] ? find_held_lock+0x36/0x1c0 [ 346.353943] ? lock_acquire+0x1ed/0x520 [ 346.356336] 1*128kB [ 346.360305] ? bpf_test_run+0x3cb/0x780 [ 346.368062] (H) [ 346.375309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.375327] ? check_preemption_disabled+0x48/0x200 [ 346.375349] ? kasan_check_read+0x11/0x20 [ 346.382626] 1*256kB [ 346.389886] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.392158] (H) [ 346.399405] ? rcu_bh_qs+0xc0/0xc0 [ 346.402952] 1*512kB [ 346.405243] ? preempt_schedule+0x4d/0x60 [ 346.409725] (H) [ 346.412057] ? ___preempt_schedule+0x16/0x18 [ 346.412082] ? bpf_test_run+0x25d/0x780 [ 346.412108] ? netlink_diag_dump+0x2a0/0x2a0 [ 346.415971] 0*1024kB [ 346.418207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.423314] 0*2048kB [ 346.427349] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 346.431412] 0*4096kB [ 346.433719] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.437760] = 14032kB [ 346.441812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.441826] ? fput+0x130/0x1a0 [ 346.441841] ? __bpf_prog_get+0x9b/0x290 [ 346.441858] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.444003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.448049] ? bpf_prog_test_run+0x130/0x1a0 [ 346.452127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.456152] ? __x64_sys_bpf+0x3d8/0x520 [ 346.458546] 5170 total pagecache pages [ 346.462599] ? bpf_prog_get+0x20/0x20 [ 346.462630] ? do_syscall_64+0x1b9/0x820 [ 346.462647] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 346.462665] ? syscall_return_slowpath+0x5e0/0x5e0 [ 346.466725] 0 pages in swap cache [ 346.468861] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.472935] Swap cache stats: add 0, delete 0, find 0/0 [ 346.476954] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 346.479252] Free swap = 0kB [ 346.483484] ? recalc_sigpending_tsk+0x180/0x180 [ 346.483502] ? kasan_check_write+0x14/0x20 [ 346.483523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.483549] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.487423] Total swap = 0kB [ 346.492513] aoe: skb alloc failure [ 346.494613] 1965979 pages RAM [ 346.498774] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.500981] 0 pages HighMem/MovableOnly [ 346.505026] syz-executor2 cpuset=syz2 mems_allowed=0 [ 346.505055] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 346.505062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.505066] Call Trace: [ 346.505073] [ 346.505090] dump_stack+0x1c4/0x2b4 [ 346.505108] ? dump_stack_print_info.cold.2+0x52/0x52 [ 346.505136] warn_alloc.cold.119+0xb7/0x1bd [ 346.505152] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.505170] ? lock_downgrade+0x900/0x900 [ 346.505192] ? trace_hardirqs_off+0xb8/0x310 [ 346.505212] ? trace_hardirqs_off+0xb8/0x310 [ 346.505235] __alloc_pages_slowpath+0x2667/0x2d80 [ 346.505279] ? warn_alloc+0x120/0x120 [ 346.505293] ? __lock_acquire+0x7ec/0x4ec0 [ 346.505306] ? warn_alloc+0x120/0x120 [ 346.505327] ? print_usage_bug+0xc0/0xc0 [ 346.514342] 342306 pages reserved [ 346.515574] ? warn_alloc+0x120/0x120 [ 346.517550] 0 pages cma reserved [ 346.523079] ? print_usage_bug+0xc0/0xc0 [ 346.523095] ? mark_held_locks+0x130/0x130 [ 346.523115] ? mark_held_locks+0x130/0x130 [ 346.528117] Unreclaimable slab info: [ 346.532273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.532289] ? should_fail+0x22d/0xd01 [ 346.532305] ? graph_lock+0x170/0x170 [ 346.534615] Name Used Total [ 346.539891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.541922] pid_2 1KB 32KB [ 346.545389] ? __lock_acquire+0x7ec/0x4ec0 [ 346.547735] TIPC 10KB 21KB [ 346.551837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.551850] ? should_fail+0x22d/0xd01 [ 346.551875] ? mark_held_locks+0x130/0x130 [ 346.553846] SCTPv6 14KB 24KB [ 346.558234] ? mark_held_locks+0x130/0x130 [ 346.562228] DCCPv6 17KB 21KB [ 346.566601] ? lock_downgrade+0x900/0x900 [ 346.568998] DCCP 16KB 20KB [ 346.574525] ? graph_lock+0x170/0x170 [ 346.574539] ? graph_lock+0x170/0x170 [ 346.574558] ? graph_lock+0x170/0x170 [ 346.576980] bridge_fdb_cache 12KB 19KB [ 346.581705] ? print_usage_bug+0xc0/0xc0 [ 346.581719] ? do_raw_spin_unlock+0xa7/0x2f0 [ 346.581737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.581764] ? check_preemption_disabled+0x48/0x200 [ 346.584161] fib6_nodes 76KB 108KB [ 346.588991] ? check_preemption_disabled+0x48/0x200 [ 346.589017] ? __lock_is_held+0xb5/0x140 [ 346.591436] ip6_dst_cache 98KB 255KB [ 346.596940] __alloc_pages_nodemask+0xa80/0xde0 [ 346.600197] RAWv6 68KB 78KB [ 346.604246] ? graph_lock+0x170/0x170 [ 346.604265] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 346.604281] ? graph_lock+0x170/0x170 [ 346.609111] UDPv6 3KB 3KB [ 346.617944] ? find_held_lock+0x36/0x1c0 [ 346.617970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.622411] TCPv6 23KB 35KB [ 346.630949] ? lock_downgrade+0x900/0x900 [ 346.635041] nf_conntrack 12KB 37KB [ 346.638888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.642727] sd_ext_cdb 0KB 3KB [ 346.646727] cache_grow_begin+0x91/0x8c0 [ 346.652100] scsi_sense_cache 1056KB 1060KB [ 346.656997] ? do_raw_spin_unlock+0xa7/0x2f0 [ 346.660436] virtio_scsi_cmd 16KB 16KB [ 346.665466] fallback_alloc+0x203/0x2e0 [ 346.665489] ____cache_alloc_node+0x1c7/0x1e0 [ 346.665509] kmem_cache_alloc_node+0xe3/0x730 [ 346.670867] sgpool-128 8KB 8KB [ 346.675862] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.675878] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 346.675901] __alloc_skb+0x119/0x770 [ 346.678905] sgpool-64 4KB 6KB [ 346.683646] ? calc_wheel_index+0x220/0x220 [ 346.683664] ? skb_scrub_packet+0x490/0x490 [ 346.683689] ? vprintk_default+0x28/0x30 [ 346.687903] sgpool-32 2KB 7KB [ 346.692734] ? vprintk_func+0x85/0x181 [ 346.692749] ? printk+0xa7/0xcf [ 346.692767] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 346.698119] sgpool-16 1KB 3KB [ 346.701125] ? try_to_wake_up+0x10a/0x12f0 [ 346.701141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.701163] new_skb+0x26/0x1c0 [ 346.704686] sgpool-8 0KB 3KB [ 346.707785] aoecmd_cfg+0x279/0x7f0 [ 346.718288] mqueue_inode_cache 10KB 14KB [ 346.722222] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 346.722242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.722262] ? check_preemption_disabled+0x48/0x200 [ 346.727355] bio_post_read_ctx 14KB 15KB [ 346.734702] ? check_preemption_disabled+0x48/0x200 [ 346.734729] ? __lock_is_held+0xb5/0x140 [ 346.734753] discover_timer+0x50/0x60 [ 346.744148] bio-2 14KB 15KB [ 346.746666] call_timer_fn+0x272/0x920 [ 346.748796] jfs_mp 7KB 7KB [ 346.752406] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.752423] ? process_timeout+0x40/0x40 [ 346.752436] ? find_held_lock+0x36/0x1c0 [ 346.752468] ? __run_timers+0x7da/0xc70 [ 346.757660] nfs_commit_data 3KB 7KB [ 346.761950] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.761965] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.761986] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.766828] nfs_write_data 34KB 37KB [ 346.770964] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 346.775431] ext4_system_zone 0KB 3KB [ 346.779782] ? trace_hardirqs_on+0xbd/0x310 [ 346.784651] bio-1 1KB 3KB [ 346.788395] ? kasan_check_read+0x11/0x20 [ 346.788413] ? __run_timers+0x7da/0xc70 [ 346.792663] pid_namespace 2KB 11KB [ 346.796422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.800478] rpc_buffers 17KB 19KB [ 346.803924] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.803939] __run_timers+0x7e5/0xc70 [ 346.803967] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.807745] rpc_tasks 2KB 3KB [ 346.811098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 346.811114] ? graph_lock+0x170/0x170 [ 346.811132] ? enqueue_hrtimer+0x1a5/0x560 [ 346.815188] UNIX 9KB 14KB [ 346.819406] ? lock_release+0x970/0x970 [ 346.819422] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 346.823676] tcp_bind_bucket 1KB 4KB [ 346.827348] ? find_held_lock+0x36/0x1c0 [ 346.832897] inet_peer_cache 1KB 8KB [ 346.836745] ? graph_lock+0x170/0x170 [ 346.840525] ip_fib_trie 11KB 19KB [ 346.846050] ? pvclock_read_flags+0x160/0x160 [ 346.846066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.846087] ? check_preemption_disabled+0x48/0x200 [ 346.851198] ip_fib_alias 51KB 75KB [ 346.856535] ? __lock_is_held+0xb5/0x140 [ 346.860756] ip_dst_cache 5KB 64KB [ 346.866106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.866123] ? check_preemption_disabled+0x48/0x200 [ 346.866153] run_timer_softirq+0x52/0xb0 [ 346.871263] RAW 40KB 57KB [ 346.875115] ? rcu_read_lock_sched_held+0x108/0x120 [ 346.879332] UDP 16KB 26KB [ 346.884681] __do_softirq+0x30b/0xad8 [ 346.884713] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 346.888940] TCP 8KB 16KB [ 346.894289] ? pvclock_read_flags+0x160/0x160 [ 346.894303] ? lapic_next_event+0x5a/0x90 [ 346.894322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.898465] hugetlbfs_inode_cache 2KB 7KB [ 346.903816] ? check_preemption_disabled+0x48/0x200 [ 346.903830] ? check_preemption_disabled+0x48/0x200 [ 346.903851] ? kvm_clock_read+0x18/0x30 [ 346.907636] fscache_cookie_jar 1KB 7KB [ 346.911419] ? kvm_sched_clock_read+0x9/0x20 [ 346.911436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.911464] ? check_preemption_disabled+0x48/0x200 [ 346.915254] eventpoll_pwq 3KB 23KB [ 346.920628] irq_exit+0x17f/0x1c0 [ 346.924695] eventpoll_epi 6KB 31KB [ 346.929062] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.934608] inotify_inode_mark 5KB 27KB [ 346.939589] ? smp_reschedule_interrupt+0x109/0x650 [ 346.944965] request_queue 163KB 163KB [ 346.949939] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.954008] blkdev_requests 1KB 3KB [ 346.959341] ? interrupt_entry+0xb5/0xf0 [ 346.964021] blkdev_ioc 6KB 19KB [ 346.969348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.973159] bio-0 52KB 146KB [ 346.978129] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.978151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.981961] biovec-max 1361KB 1361KB [ 346.987286] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.991361] bio_integrity_payload 1KB 8KB [ 346.995986] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.996005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.001379] khugepaged_mm_slot 0KB 7KB [ 347.005514] ? check_preemption_disabled+0x48/0x200 [ 347.010857] dmaengine-unmap-256 2KB 6KB [ 347.016374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.016398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.016422] apic_timer_interrupt+0xf/0x20 [ 347.021795] dmaengine-unmap-128 1KB 3KB [ 347.025810] [ 347.031198] dmaengine-unmap-16 0KB 4KB [ 347.035583] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 347.040921] dmaengine-unmap-2 0KB 3KB [ 347.044883] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 347.044892] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 347.044907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 347.044920] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 347.049413] skbuff_fclone_cache 15KB 67KB [ 347.053883] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 347.053891] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 347.053900] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 347.053955] skb_clone+0x1bb/0x500 [ 347.059278] skbuff_head_cache 453427KB 453427KB [ 347.064369] ? finish_task_switch+0x2f5/0x900 [ 347.064386] ? skb_split+0x11e0/0x11e0 [ 347.064404] ? preempt_notifier_register+0x200/0x200 [ 347.068985] configfs_dir_cache 0KB 4KB [ 347.072686] ? __switch_to_asm+0x34/0x70 [ 347.072701] ? __switch_to_asm+0x34/0x70 [ 347.072720] ? __switch_to_asm+0x40/0x70 [ 347.078071] file_lock_cache 0KB 3KB [ 347.082389] ? __switch_to_asm+0x34/0x70 [ 347.082403] ? __switch_to_asm+0x40/0x70 [ 347.082416] ? __switch_to_asm+0x34/0x70 [ 347.082434] ? __switch_to_asm+0x40/0x70 [ 347.086751] file_lock_ctx 0KB 3KB [ 347.090793] ? __switch_to_asm+0x34/0x70 [ 347.090811] ? __switch_to_asm+0x34/0x70 [ 347.096191] fsnotify_mark_connector 3KB 19KB [ 347.100036] ? __switch_to_asm+0x40/0x70 [ 347.100053] ? __switch_to_asm+0x34/0x70 [ 347.103347] net_namespace 51KB 51KB [ 347.108069] bpf_clone_redirect+0xb9/0x490 [ 347.113446] shmem_inode_cache 3550KB 3646KB [ 347.117645] ? __schedule+0x874/0x1ed0 [ 347.122756] task_delay_info 30KB 185KB [ 347.126006] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 347.131375] taskstats 0KB 3KB [ 347.134965] ? __sched_text_start+0x8/0x8 [ 347.140403] proc_dir_entry 582KB 615KB [ 347.144734] ? find_held_lock+0x36/0x1c0 [ 347.144753] ? lock_acquire+0x1ed/0x520 [ 347.144766] ? bpf_test_run+0x3cb/0x780 [ 347.144785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.150328] pde_opener 0KB 3KB [ 347.155340] ? check_preemption_disabled+0x48/0x200 [ 347.155360] ? kasan_check_read+0x11/0x20 [ 347.155376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.155393] ? rcu_bh_qs+0xc0/0xc0 [ 347.160761] seq_file 0KB 3KB [ 347.165770] ? preempt_schedule+0x4d/0x60 [ 347.165785] ? ___preempt_schedule+0x16/0x18 [ 347.165809] ? bpf_test_run+0x25d/0x780 [ 347.165834] ? netlink_diag_dump+0x2a0/0x2a0 [ 347.169890] sigqueue 5KB 27KB [ 347.173688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.173710] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 347.173732] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 347.179097] kernfs_node_cache 11256KB 11265KB [ 347.182977] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.182992] ? fput+0x130/0x1a0 [ 347.183006] ? __bpf_prog_get+0x9b/0x290 [ 347.183028] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 347.188393] mnt_cache 77KB 104KB [ 347.193230] ? bpf_prog_test_run+0x130/0x1a0 [ 347.193248] ? __x64_sys_bpf+0x3d8/0x520 [ 347.193260] ? bpf_prog_get+0x20/0x20 [ 347.193293] ? do_syscall_64+0x1b9/0x820 [ 347.197355] filp 251KB 622KB [ 347.201405] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 347.201425] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.201444] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.201472] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 347.205488] names_cache 114KB 114KB [ 347.210844] ? recalc_sigpending_tsk+0x180/0x180 [ 347.215397] iint_cache 74KB 79KB [ 347.219820] ? kasan_check_write+0x14/0x20 [ 347.224683] key_jar 3KB 7KB [ 347.230004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.234597] uts_namespace 2KB 7KB [ 347.239926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.244249] nsproxy 1KB 3KB [ 347.249582] warn_alloc_show_mem: 1 callbacks suppressed [ 347.249588] Mem-Info: [ 347.253738] vm_area_struct 365KB 877KB [ 347.257685] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 347.257685] active_file:14 inactive_file:13 isolated_file:0 [ 347.257685] unevictable:0 dirty:0 writeback:0 unstable:0 [ 347.257685] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 347.257685] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 347.257685] free:13770 free_pcp:421 free_cma:0 [ 347.263046] mm_struct 52KB 169KB [ 347.268478] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 347.273844] fs_cache 8KB 76KB [ 347.278644] Node 0 [ 347.282479] files_cache 30KB 101KB [ 347.287806] 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 [ 347.293170] signal_cache 227KB 575KB [ 347.298137] lowmem_reserve[]: 0 [ 347.301968] sighand_cache 358KB 423KB [ 347.306145] 2819 6323 [ 347.311552] task_struct 1039KB 1039KB [ 347.315471] 6323 [ 347.315485] Node 0 [ 347.320667] cred_jar 47KB 360KB [ 347.326033] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 347.326037] lowmem_reserve[]: 0 0 3503 [ 347.330119] anon_vma_chain 121KB 429KB [ 347.335448] 3503 [ 347.335466] Node 0 Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1436kB local_pcp:456kB free_cma:0kB [ 347.335506] lowmem_reserve[]: [ 347.339314] anon_vma 119KB 335KB [ 347.344659] 0 0 0 0 [ 347.344680] Node 0 DMA: 1*4kB (U) [ 347.349194] pid 20KB 140KB [ 347.354702] 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB [ 347.359768] Acpi-Operand 106KB 162KB [ 347.365102] (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 347.369213] Acpi-Namespace 19KB 23KB [ 347.374543] Node 0 DMA32: 5*4kB (UMH) 2*8kB (MH) 3*16kB (MH) [ 347.380120] numa_policy 0KB 3KB [ 347.385107] 3*32kB (MH) 5*64kB (MH) 3*128kB (M) 5*256kB (UMH) 5*512kB [ 347.389208] debug_objects_cache 829KB 830KB [ 347.394542] (UMH) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25204kB [ 347.394584] Node 0 [ 347.399596] trace_event_file 258KB 258KB [ 347.404977] Normal: 990*4kB (UMEH) 505*8kB (MEH) 189*16kB (MEH) [ 347.408809] ftrace_event_field 373KB 374KB [ 347.413889] 66*32kB (UMH) 0*64kB 1*128kB (H) 1*256kB (H) 1*512kB [ 347.419286] pool_workqueue 69KB 80KB [ 347.423755] (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 347.423790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 347.423805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 347.427942] task_group 5KB 10KB [ 347.433459] 5170 total pagecache pages [ 347.433474] 0 pages in swap cache [ 347.433482] Swap cache stats: add 0, delete 0, find 0/0 [ 347.433487] Free swap = 0kB [ 347.433492] Total swap = 0kB [ 347.433502] 1965979 pages RAM [ 347.439208] page->ptl 71KB 557KB [ 347.444201] 0 pages HighMem/MovableOnly [ 347.444206] 342306 pages reserved [ 347.444211] 0 pages cma reserved [ 347.444280] aoe: skb alloc failure [ 347.449318] kmalloc-2097152 2050KB 2050KB [ 347.453342] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.453349] syz-executor2 cpuset=syz2 mems_allowed=0 [ 347.453378] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 347.453386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.453391] Call Trace: [ 347.453399] [ 347.453421] dump_stack+0x1c4/0x2b4 [ 347.453436] ? dump_stack_print_info.cold.2+0x52/0x52 [ 347.453475] warn_alloc.cold.119+0xb7/0x1bd [ 347.463980] kmalloc-524288 2056KB 2056KB [ 347.468873] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.473911] kmalloc-262144 1290KB 1290KB [ 347.479230] ? lock_downgrade+0x900/0x900 [ 347.482729] kmalloc-131072 650KB 650KB [ 347.488035] ? trace_hardirqs_off+0xb8/0x310 [ 347.492924] kmalloc-65536 330KB 330KB [ 347.498838] ? trace_hardirqs_off+0xb8/0x310 [ 347.503910] kmalloc-32768 693KB 693KB [ 347.509211] __alloc_pages_slowpath+0x2667/0x2d80 [ 347.515151] kmalloc-16384 396KB 396KB [ 347.520479] ? warn_alloc+0x120/0x120 [ 347.524543] kmalloc-8192 1724KB 1724KB [ 347.529870] ? warn_alloc+0x120/0x120 [ 347.534895] kmalloc-4096 5971KB 5971KB [ 347.540224] ? print_usage_bug+0xc0/0xc0 [ 347.545252] kmalloc-2048 2981396KB 2981396KB [ 347.550054] ? warn_alloc+0x120/0x120 [ 347.555426] kmalloc-1024 1581197KB 1581197KB [ 347.560407] ? print_usage_bug+0xc0/0xc0 [ 347.566126] kmalloc-512 1515KB 3746KB [ 347.571097] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 347.571111] ? ktime_get+0x2e1/0x440 [ 347.571134] ? check_preemption_disabled+0x48/0x200 [ 347.576654] kmalloc-256 1826KB 2501KB [ 347.582092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.582107] ? should_fail+0x22d/0xd01 [ 347.582127] ? kasan_check_read+0x11/0x20 [ 347.587128] kmalloc-128 441KB 925KB [ 347.592650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.592673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.592692] ? __lock_acquire+0x7ec/0x4ec0 [ 347.598217] kmalloc-96 435KB 1944KB [ 347.603046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.603060] ? should_fail+0x22d/0xd01 [ 347.603085] ? mark_held_locks+0x130/0x130 [ 347.607322] kmalloc-64 680KB 1404KB [ 347.612849] ? mark_held_locks+0x130/0x130 [ 347.612864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.612886] ? graph_lock+0x170/0x170 [ 347.615108] kmalloc-32 928KB 1578KB [ 347.620539] ? mark_held_locks+0xc7/0x130 [ 347.620557] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 347.625511] kmalloc-192 672KB 940KB [ 347.630833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.649748] kmem_cache 252KB 255KB [ 347.657414] ? check_preemption_disabled+0x48/0x200 [ 347.657429] ? check_preemption_disabled+0x48/0x200 [ 347.657462] ? __lock_is_held+0xb5/0x140 [ 347.664755] Out of memory: Kill process 5322 (syz-fuzzer) score 25 or sacrifice child [ 347.671998] __alloc_pages_nodemask+0xa80/0xde0 [ 347.672015] ? graph_lock+0x170/0x170 [ 347.677633] Killed process 7108 (syz-executor2) total-vm:70212kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 347.684805] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 347.684817] ? graph_lock+0x170/0x170 [ 347.684842] ? find_held_lock+0x36/0x1c0 [ 347.692407] oom_reaper: reaped process 7108 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 347.699372] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.711524] init invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 347.712738] ? lock_downgrade+0x900/0x900 [ 347.716606] init cpuset= [ 347.721741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.721761] cache_grow_begin+0x91/0x8c0 [ 347.721779] ? do_raw_spin_unlock+0xa7/0x2f0 [ 347.721801] fallback_alloc+0x203/0x2e0 [ 347.727245] / [ 347.731298] ____cache_alloc_node+0x1c7/0x1e0 [ 347.735380] mems_allowed=0 [ 347.739394] kmem_cache_alloc_node+0xe3/0x730 [ 348.011114] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.015847] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.021199] kworker/0:2 cpuset= [ 348.026563] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 348.031898] / [ 348.037276] __alloc_skb+0x119/0x770 [ 348.039658] mems_allowed=0 [ 348.045043] ? calc_wheel_index+0x220/0x220 [ 348.852262] ? skb_scrub_packet+0x490/0x490 [ 348.856603] ? vprintk_default+0x28/0x30 [ 348.860671] ? vprintk_func+0x85/0x181 [ 348.864566] ? printk+0xa7/0xcf [ 348.867861] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 348.872623] ? try_to_wake_up+0x10a/0x12f0 [ 348.876884] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.882002] new_skb+0x26/0x1c0 [ 348.885294] aoecmd_cfg+0x279/0x7f0 [ 348.888936] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 348.893280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.898834] ? check_preemption_disabled+0x48/0x200 [ 348.903865] ? check_preemption_disabled+0x48/0x200 [ 348.908906] ? __lock_is_held+0xb5/0x140 [ 348.912990] discover_timer+0x50/0x60 [ 348.916800] call_timer_fn+0x272/0x920 [ 348.920692] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.925553] ? process_timeout+0x40/0x40 [ 348.929628] ? find_held_lock+0x36/0x1c0 [ 348.933716] ? __run_timers+0x7da/0xc70 [ 348.937705] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.942211] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.946714] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.951568] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 348.956159] ? trace_hardirqs_on+0xbd/0x310 [ 348.960490] ? kasan_check_read+0x11/0x20 [ 348.964646] ? __run_timers+0x7da/0xc70 [ 348.968631] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.974100] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.978950] __run_timers+0x7e5/0xc70 [ 348.982775] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.988147] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.993165] ? graph_lock+0x170/0x170 [ 348.996991] ? enqueue_hrtimer+0x1a5/0x560 [ 349.001223] ? lock_release+0x970/0x970 [ 349.005199] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.010400] ? find_held_lock+0x36/0x1c0 [ 349.014475] ? graph_lock+0x170/0x170 [ 349.018301] ? pvclock_read_flags+0x160/0x160 [ 349.022808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.028351] ? check_preemption_disabled+0x48/0x200 [ 349.033382] ? __lock_is_held+0xb5/0x140 [ 349.037458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.043004] ? check_preemption_disabled+0x48/0x200 [ 349.048035] run_timer_softirq+0x52/0xb0 [ 349.052098] ? rcu_read_lock_sched_held+0x108/0x120 [ 349.057120] __do_softirq+0x30b/0xad8 [ 349.060937] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 349.066049] ? pvclock_read_flags+0x160/0x160 [ 349.070545] ? lapic_next_event+0x5a/0x90 [ 349.074707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.080253] ? check_preemption_disabled+0x48/0x200 [ 349.085275] ? check_preemption_disabled+0x48/0x200 [ 349.090300] ? kvm_clock_read+0x18/0x30 [ 349.094280] ? kvm_sched_clock_read+0x9/0x20 [ 349.098692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.104238] ? check_preemption_disabled+0x48/0x200 [ 349.109270] irq_exit+0x17f/0x1c0 [ 349.112729] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.117585] ? smp_reschedule_interrupt+0x109/0x650 [ 349.122606] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.128496] ? interrupt_entry+0xb5/0xf0 [ 349.132572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.137592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.142615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.147469] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.152501] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.157527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.163072] ? check_preemption_disabled+0x48/0x200 [ 349.168092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.173660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.178518] apic_timer_interrupt+0xf/0x20 [ 349.182750] [ 349.184997] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 349.189936] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 349.208837] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 349.216551] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 349.223823] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 349.231097] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 349.238368] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 349.245633] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 349.252951] skb_clone+0x1bb/0x500 [ 349.256502] ? finish_task_switch+0x2f5/0x900 [ 349.261007] ? skb_split+0x11e0/0x11e0 [ 349.264901] ? preempt_notifier_register+0x200/0x200 [ 349.270019] ? __switch_to_asm+0x34/0x70 [ 349.274085] ? __switch_to_asm+0x34/0x70 [ 349.278154] ? __switch_to_asm+0x40/0x70 [ 349.282233] ? __switch_to_asm+0x34/0x70 [ 349.286306] ? __switch_to_asm+0x40/0x70 [ 349.290366] ? __switch_to_asm+0x34/0x70 [ 349.294426] ? __switch_to_asm+0x40/0x70 [ 349.298516] ? __switch_to_asm+0x34/0x70 [ 349.302600] ? __switch_to_asm+0x34/0x70 [ 349.306667] ? __switch_to_asm+0x40/0x70 [ 349.310732] ? __switch_to_asm+0x34/0x70 [ 349.314804] bpf_clone_redirect+0xb9/0x490 [ 349.319047] ? __schedule+0x874/0x1ed0 [ 349.322944] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 349.328002] ? __sched_text_start+0x8/0x8 [ 349.332171] ? find_held_lock+0x36/0x1c0 [ 349.336244] ? lock_acquire+0x1ed/0x520 [ 349.340234] ? bpf_test_run+0x3cb/0x780 [ 349.344223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.349767] ? check_preemption_disabled+0x48/0x200 [ 349.354793] ? kasan_check_read+0x11/0x20 [ 349.358947] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.364230] ? rcu_bh_qs+0xc0/0xc0 [ 349.367778] ? preempt_schedule+0x4d/0x60 [ 349.371929] ? ___preempt_schedule+0x16/0x18 [ 349.376351] ? bpf_test_run+0x25d/0x780 [ 349.380340] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.384753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.390305] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 349.395077] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.399924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.405471] ? fput+0x130/0x1a0 [ 349.408757] ? __bpf_prog_get+0x9b/0x290 [ 349.412827] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.417670] ? bpf_prog_test_run+0x130/0x1a0 [ 349.422083] ? __x64_sys_bpf+0x3d8/0x520 [ 349.426144] ? bpf_prog_get+0x20/0x20 [ 349.429977] ? do_syscall_64+0x1b9/0x820 [ 349.434071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 349.439440] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.444388] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.449411] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 349.454475] ? recalc_sigpending_tsk+0x180/0x180 [ 349.459240] ? kasan_check_write+0x14/0x20 [ 349.463488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.468348] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.473739] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 349.473823] aoe: skb alloc failure [ 349.480852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.480875] Workqueue: events_power_efficient neigh_periodic_work [ 349.484469] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.500101] syz-executor2 cpuset= [ 349.510569] Call Trace: [ 349.510580] syz2 [ 349.514031] dump_stack+0x1c4/0x2b4 [ 349.516589] mems_allowed=0 [ 349.518563] ? dump_stack_print_info.cold.2+0x52/0x52 [ 349.530282] warn_alloc.cold.119+0xb7/0x1bd [ 349.534608] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.539465] ? lock_downgrade+0x900/0x900 [ 349.543636] ? trace_hardirqs_off+0xb8/0x310 [ 349.548052] ? trace_hardirqs_off+0xb8/0x310 [ 349.552484] __alloc_pages_slowpath+0x2667/0x2d80 [ 349.557364] ? warn_alloc+0x120/0x120 [ 349.561169] ? cpuacct_charge+0x265/0x440 [ 349.565323] ? warn_alloc+0x120/0x120 [ 349.569127] ? print_usage_bug+0xc0/0xc0 [ 349.573193] ? warn_alloc+0x120/0x120 [ 349.576996] ? print_usage_bug+0xc0/0xc0 [ 349.581060] ? __lock_acquire+0x7ec/0x4ec0 [ 349.585300] ? lock_downgrade+0x900/0x900 [ 349.589460] ? check_preemption_disabled+0x48/0x200 [ 349.594498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.600037] ? should_fail+0x22d/0xd01 [ 349.603933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.609039] ? __lock_acquire+0x7ec/0x4ec0 [ 349.613287] ? __lock_acquire+0x7ec/0x4ec0 [ 349.617526] ? should_fail+0x22d/0xd01 [ 349.621431] ? mark_held_locks+0x130/0x130 [ 349.625687] ? mark_held_locks+0x130/0x130 [ 349.629927] ? rcu_read_lock_sched_held+0x108/0x120 [ 349.634951] ? update_load_avg+0x2470/0x2470 [ 349.639365] ? graph_lock+0x170/0x170 [ 349.643164] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.647752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.653299] ? check_preemption_disabled+0x48/0x200 [ 349.658317] ? check_preemption_disabled+0x48/0x200 [ 349.663346] ? __lock_is_held+0xb5/0x140 [ 349.667431] __alloc_pages_nodemask+0xa80/0xde0 [ 349.672132] ? graph_lock+0x170/0x170 [ 349.675944] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 349.680959] ? graph_lock+0x170/0x170 [ 349.684776] ? find_held_lock+0x36/0x1c0 [ 349.688851] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.693523] ? lock_downgrade+0x900/0x900 [ 349.697715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.703262] cache_grow_begin+0x91/0x8c0 [ 349.707329] ? do_raw_spin_unlock+0xa7/0x2f0 [ 349.711748] fallback_alloc+0x203/0x2e0 [ 349.715734] ____cache_alloc_node+0x1c7/0x1e0 [ 349.720240] kmem_cache_alloc_node+0xe3/0x730 [ 349.724741] ? graph_lock+0x170/0x170 [ 349.728549] ? __sched_text_start+0x8/0x8 [ 349.732712] __alloc_skb+0x119/0x770 [ 349.736437] ? graph_lock+0x170/0x170 [ 349.740256] ? rcu_is_watching+0x30/0x30 [ 349.744331] ? skb_scrub_packet+0x490/0x490 [ 349.748652] ? find_held_lock+0x36/0x1c0 [ 349.752726] ? neigh_periodic_work+0x8ca/0xc60 [ 349.757312] ? lock_downgrade+0x900/0x900 [ 349.761483] ? lock_release+0x970/0x970 [ 349.765517] __neigh_notify+0x8c/0x160 [ 349.769466] neigh_cleanup_and_release+0x7b/0xe0 [ 349.774258] neigh_periodic_work+0x8d2/0xc60 [ 349.778681] ? neigh_table_clear+0x390/0x390 [ 349.783094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.788643] ? check_preemption_disabled+0x48/0x200 [ 349.793665] ? check_preemption_disabled+0x48/0x200 [ 349.798697] ? __lock_is_held+0xb5/0x140 [ 349.802779] process_one_work+0xc90/0x1b90 [ 349.807017] ? mark_held_locks+0x130/0x130 [ 349.811268] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 349.815942] ? __switch_to_asm+0x40/0x70 [ 349.820008] ? __switch_to_asm+0x40/0x70 [ 349.824073] ? __switch_to_asm+0x34/0x70 [ 349.828136] ? __switch_to_asm+0x40/0x70 [ 349.832198] ? __switch_to_asm+0x34/0x70 [ 349.836263] ? __switch_to_asm+0x40/0x70 [ 349.840328] ? __switch_to_asm+0x34/0x70 [ 349.844393] ? __switch_to_asm+0x40/0x70 [ 349.848469] ? __schedule+0x874/0x1ed0 [ 349.852366] ? __switch_to_asm+0x34/0x70 [ 349.856428] ? __switch_to_asm+0x40/0x70 [ 349.860522] ? kasan_check_read+0x11/0x20 [ 349.864675] ? graph_lock+0x170/0x170 [ 349.868494] ? __sched_text_start+0x8/0x8 [ 349.872651] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.877234] ? retint_kernel+0x2d/0x2d [ 349.881133] ? find_held_lock+0x36/0x1c0 [ 349.885205] ? lock_acquire+0x1ed/0x520 [ 349.889182] ? worker_thread+0x3e0/0x1390 [ 349.893338] ? lock_release+0x970/0x970 [ 349.897315] ? trace_hardirqs_off+0xb8/0x310 [ 349.901729] ? kasan_check_read+0x11/0x20 [ 349.905877] ? worker_thread+0x3e0/0x1390 [ 349.910027] ? trace_hardirqs_on+0x310/0x310 [ 349.914442] ? kasan_check_write+0x14/0x20 [ 349.918699] ? do_raw_spin_lock+0xc1/0x200 [ 349.922954] worker_thread+0x17f/0x1390 [ 349.926948] ? __switch_to_asm+0x34/0x70 [ 349.931041] ? process_one_work+0x1b90/0x1b90 [ 349.935551] ? graph_lock+0x170/0x170 [ 349.939361] ? graph_lock+0x170/0x170 [ 349.943166] ? find_held_lock+0x36/0x1c0 [ 349.947242] ? find_held_lock+0x36/0x1c0 [ 349.951318] ? __kthread_parkme+0xce/0x1a0 [ 349.955565] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.960678] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.965804] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.970399] ? trace_hardirqs_on+0xbd/0x310 [ 349.974734] ? kasan_check_read+0x11/0x20 [ 349.978887] ? __kthread_parkme+0xce/0x1a0 [ 349.983127] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.988584] ? kasan_check_write+0x14/0x20 [ 349.992828] ? do_raw_spin_lock+0xc1/0x200 [ 349.997077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.002188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.007730] ? __kthread_parkme+0xfb/0x1a0 [ 350.011974] kthread+0x35a/0x420 [ 350.015343] ? process_one_work+0x1b90/0x1b90 [ 350.019837] ? kthread_bind+0x40/0x40 [ 350.023645] ret_from_fork+0x3a/0x50 [ 350.027380] warn_alloc_show_mem: 1 callbacks suppressed [ 350.027392] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 350.027394] Mem-Info: [ 350.027432] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 350.027432] active_file:14 inactive_file:13 isolated_file:0 [ 350.027432] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.027432] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 350.027432] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 350.027432] free:13770 free_pcp:433 free_cma:0 [ 350.032789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.040155] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.042561] Call Trace: [ 350.075617] Node 0 [ 350.084979] [ 350.112584] 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 [ 350.115156] dump_stack+0x1c4/0x2b4 [ 350.117357] lowmem_reserve[]: [ 350.119506] ? dump_stack_print_info.cold.2+0x52/0x52 [ 350.144985] 0 2819 [ 350.148640] warn_alloc.cold.119+0xb7/0x1bd [ 350.151708] 6323 [ 350.156896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.159102] 6323 [ 350.163457] ? lock_downgrade+0x900/0x900 [ 350.165497] Node 0 [ 350.170337] ? trace_hardirqs_off+0xb8/0x310 [ 350.172406] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 350.176523] ? trace_hardirqs_off+0xb8/0x310 [ 350.178733] lowmem_reserve[]: [ 350.183148] __alloc_pages_slowpath+0x2667/0x2d80 [ 350.210105] 0 [ 350.214555] ? warn_alloc+0x120/0x120 [ 350.217597] 0 [ 350.222448] ? warn_alloc+0x120/0x120 [ 350.224228] 3503 3503 [ 350.228032] ? print_usage_bug+0xc0/0xc0 [ 350.233605] ? warn_alloc+0x120/0x120 [ 350.236079] Node 0 [ 350.240140] ? print_usage_bug+0xc0/0xc0 [ 350.243944] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 350.246164] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 350.250196] lowmem_reserve[]: [ 350.278762] ? ktime_get+0x2e1/0x440 [ 350.283759] 0 [ 350.286863] ? check_preemption_disabled+0x48/0x200 [ 350.290551] 0 [ 350.292352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.297340] 0 [ 350.299143] ? should_fail+0x22d/0xd01 [ 350.304648] 0 [ 350.306466] ? kasan_check_read+0x11/0x20 [ 350.310324] Node 0 [ 350.312124] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.316240] DMA: 1*4kB [ 350.318494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.318511] ? __lock_acquire+0x7ec/0x4ec0 [ 350.323768] (U) [ 350.326350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.331429] 0*8kB [ 350.335668] ? should_fail+0x22d/0xd01 [ 350.337624] 0*16kB [ 350.342727] ? mark_held_locks+0x130/0x130 [ 350.344845] 1*32kB [ 350.348726] ? mark_held_locks+0x130/0x130 [ 350.350945] (U) [ 350.355180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.357386] 2*64kB (U) [ 350.361628] ? graph_lock+0x170/0x170 [ 350.363577] 1*128kB [ 350.369266] ? mark_held_locks+0xc7/0x130 [ 350.371838] (U) [ 350.375634] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 350.377933] 1*256kB [ 350.382075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.384024] (U) [ 350.389039] ? check_preemption_disabled+0x48/0x200 [ 350.391347] 0*512kB [ 350.396880] ? check_preemption_disabled+0x48/0x200 [ 350.398831] 1*1024kB [ 350.403850] ? __lock_is_held+0xb5/0x140 [ 350.406144] (U) [ 350.411162] __alloc_pages_nodemask+0xa80/0xde0 [ 350.413552] 1*2048kB [ 350.417606] ? graph_lock+0x170/0x170 [ 350.419559] (M) [ 350.424221] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 350.426614] 3*4096kB [ 350.430406] ? graph_lock+0x170/0x170 [ 350.432361] (M) [ 350.437376] ? find_held_lock+0x36/0x1c0 [ 350.439759] = 15908kB [ 350.443588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.445537] Node 0 [ 350.449594] ? lock_downgrade+0x900/0x900 [ 350.451989] DMA32: [ 350.456657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.458868] 5*4kB [ 350.463015] cache_grow_begin+0x91/0x8c0 [ 350.465226] (UMH) [ 350.470768] ? do_raw_spin_unlock+0xa7/0x2f0 [ 350.472894] 2*8kB [ 350.476955] fallback_alloc+0x203/0x2e0 [ 350.479076] (MH) [ 350.483497] ____cache_alloc_node+0x1c7/0x1e0 [ 350.485629] 3*16kB [ 350.489606] kmem_cache_alloc_node+0xe3/0x730 [ 350.491636] (MH) [ 350.496129] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.498341] 3*32kB [ 350.502830] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 350.504866] (MH) [ 350.509985] __alloc_skb+0x119/0x770 [ 350.512191] 5*64kB [ 350.516784] ? calc_wheel_index+0x220/0x220 [ 350.518818] (MH) [ 350.522527] ? skb_scrub_packet+0x490/0x490 [ 350.524733] 3*128kB (M) [ 350.529062] ? vprintk_default+0x28/0x30 [ 350.531095] 5*256kB (UMH) [ 350.535417] ? vprintk_func+0x85/0x181 [ 350.538060] 5*512kB (UMH) [ 350.542126] ? printk+0xa7/0xcf [ 350.544944] 4*1024kB (UMH) [ 350.548835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 350.551658] 2*2048kB [ 350.554928] ? try_to_wake_up+0x10a/0x12f0 [ 350.557837] (M) [ 350.562591] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.564968] 3*4096kB (M) [ 350.569212] new_skb+0x26/0x1c0 [ 350.571167] = 25204kB [ 350.576282] aoecmd_cfg+0x279/0x7f0 [ 350.579020] Node 0 [ 350.582299] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 350.584683] Normal: [ 350.588319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.590535] 990*4kB [ 350.594853] ? check_preemption_disabled+0x48/0x200 [ 350.597150] (UMEH) [ 350.602686] ? check_preemption_disabled+0x48/0x200 [ 350.604979] 505*8kB (MEH) [ 350.610009] ? __lock_is_held+0xb5/0x140 [ 350.612215] 189*16kB [ 350.617247] discover_timer+0x50/0x60 [ 350.620085] (MEH) [ 350.624143] call_timer_fn+0x272/0x920 [ 350.626528] 66*32kB [ 350.630319] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 350.632445] (UMH) [ 350.636340] ? process_timeout+0x40/0x40 [ 350.638638] 0*64kB 1*128kB [ 350.643500] ? find_held_lock+0x36/0x1c0 [ 350.645627] (H) [ 350.649687] ? __run_timers+0x7da/0xc70 [ 350.652599] 1*256kB [ 350.656659] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.658615] (H) [ 350.662590] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.664888] 1*512kB [ 350.669390] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 350.671351] (H) [ 350.675839] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 350.678133] 0*1024kB 0*2048kB [ 350.683067] ? trace_hardirqs_on+0xbd/0x310 [ 350.685024] 0*4096kB [ 350.689602] ? kasan_check_read+0x11/0x20 [ 350.692768] = 14032kB [ 350.697086] ? __run_timers+0x7da/0xc70 [ 350.699487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.703623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.706014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.709990] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 350.718790] 5170 total pagecache pages [ 350.724235] __run_timers+0x7e5/0xc70 [ 350.732795] 0 pages in swap cache [ 350.737633] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 350.741492] Swap cache stats: add 0, delete 0, find 0/0 [ 350.745286] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 350.748714] Free swap = 0kB [ 350.754077] ? graph_lock+0x170/0x170 [ 350.759414] Total swap = 0kB [ 350.764425] ? enqueue_hrtimer+0x1a5/0x560 [ 350.767418] 1965979 pages RAM [ 350.771213] ? lock_release+0x970/0x970 [ 350.774213] 0 pages HighMem/MovableOnly [ 350.778439] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.781529] 342306 pages reserved [ 350.785499] ? find_held_lock+0x36/0x1c0 [ 350.789449] 0 pages cma reserved [ 350.794641] ? graph_lock+0x170/0x170 [ 350.798381] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.802129] ? pvclock_read_flags+0x160/0x160 [ 350.805480] kworker/0:2 cpuset= [ 350.809276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.819559] / [ 350.824053] ? check_preemption_disabled+0x48/0x200 [ 350.827328] mems_allowed=0 [ 350.832875] ? __lock_is_held+0xb5/0x140 [ 350.846544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.852087] ? check_preemption_disabled+0x48/0x200 [ 350.857116] run_timer_softirq+0x52/0xb0 [ 350.861215] ? rcu_read_lock_sched_held+0x108/0x120 [ 350.866234] __do_softirq+0x30b/0xad8 [ 350.870052] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 350.875162] ? pvclock_read_flags+0x160/0x160 [ 350.879662] ? lapic_next_event+0x5a/0x90 [ 350.883811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.889353] ? check_preemption_disabled+0x48/0x200 [ 350.894371] ? check_preemption_disabled+0x48/0x200 [ 350.899394] ? kvm_clock_read+0x18/0x30 [ 350.903371] ? kvm_sched_clock_read+0x9/0x20 [ 350.907784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.913326] ? check_preemption_disabled+0x48/0x200 [ 350.918360] irq_exit+0x17f/0x1c0 [ 350.921818] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.926663] ? smp_reschedule_interrupt+0x109/0x650 [ 350.931681] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.937575] ? interrupt_entry+0xb5/0xf0 [ 350.941652] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.946672] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.951696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.956540] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.961555] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.966572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.972115] ? check_preemption_disabled+0x48/0x200 [ 350.977134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.982684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.987540] apic_timer_interrupt+0xf/0x20 [ 350.991769] [ 350.994013] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 350.998945] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 351.017853] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.025567] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.032837] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 351.040104] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 351.047380] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 351.054650] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 351.061968] skb_clone+0x1bb/0x500 [ 351.065567] ? finish_task_switch+0x2f5/0x900 [ 351.070068] ? skb_split+0x11e0/0x11e0 [ 351.073960] ? preempt_notifier_register+0x200/0x200 [ 351.079068] ? __switch_to_asm+0x34/0x70 [ 351.083134] ? __switch_to_asm+0x34/0x70 [ 351.087197] ? __switch_to_asm+0x40/0x70 [ 351.091260] ? __switch_to_asm+0x34/0x70 [ 351.095321] ? __switch_to_asm+0x40/0x70 [ 351.099385] ? __switch_to_asm+0x34/0x70 [ 351.103445] ? __switch_to_asm+0x40/0x70 [ 351.107516] ? __switch_to_asm+0x34/0x70 [ 351.111584] ? __switch_to_asm+0x34/0x70 [ 351.115644] ? __switch_to_asm+0x40/0x70 [ 351.119708] ? __switch_to_asm+0x34/0x70 [ 351.123780] bpf_clone_redirect+0xb9/0x490 [ 351.128017] ? __schedule+0x874/0x1ed0 [ 351.131923] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 351.136945] ? __sched_text_start+0x8/0x8 [ 351.141118] ? find_held_lock+0x36/0x1c0 [ 351.145193] ? lock_acquire+0x1ed/0x520 [ 351.149172] ? bpf_test_run+0x3cb/0x780 [ 351.153152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.158697] ? check_preemption_disabled+0x48/0x200 [ 351.163728] ? kasan_check_read+0x11/0x20 [ 351.167881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.173162] ? rcu_bh_qs+0xc0/0xc0 [ 351.176709] ? preempt_schedule+0x4d/0x60 [ 351.180861] ? ___preempt_schedule+0x16/0x18 [ 351.185291] ? bpf_test_run+0x25d/0x780 [ 351.189286] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.193703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.199251] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 351.204023] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.208871] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.214406] ? fput+0x130/0x1a0 [ 351.217687] ? __bpf_prog_get+0x9b/0x290 [ 351.221753] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.226600] ? bpf_prog_test_run+0x130/0x1a0 [ 351.231019] ? __x64_sys_bpf+0x3d8/0x520 [ 351.235083] ? bpf_prog_get+0x20/0x20 [ 351.238906] ? do_syscall_64+0x1b9/0x820 [ 351.242979] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.248347] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.253281] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.258304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.263324] ? recalc_sigpending_tsk+0x180/0x180 [ 351.268087] ? kasan_check_write+0x14/0x20 [ 351.272329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.277186] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.282573] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 351.282672] aoe: skb alloc failure [ 351.289675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.289697] Workqueue: events_power_efficient neigh_periodic_work [ 351.293284] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.308768] syz-executor2 cpuset= [ 351.319233] Call Trace: [ 351.319243] [ 351.322685] syz2 [ 351.325274] dump_stack+0x1c4/0x2b4 [ 351.327396] mems_allowed=0 [ 351.329370] ? dump_stack_print_info.cold.2+0x52/0x52 [ 351.341086] warn_alloc.cold.119+0xb7/0x1bd [ 351.345415] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.350265] ? lock_downgrade+0x900/0x900 [ 351.354424] ? trace_hardirqs_off+0xb8/0x310 [ 351.358846] ? trace_hardirqs_off+0xb8/0x310 [ 351.363264] __alloc_pages_slowpath+0x2667/0x2d80 [ 351.368134] ? mark_held_locks+0x130/0x130 [ 351.372376] ? warn_alloc+0x120/0x120 [ 351.376186] ? warn_alloc+0x120/0x120 [ 351.379992] ? print_usage_bug+0xc0/0xc0 [ 351.384058] ? warn_alloc+0x120/0x120 [ 351.387863] ? print_usage_bug+0xc0/0xc0 [ 351.391920] ? find_held_lock+0x36/0x1c0 [ 351.395992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.401535] ? should_fail+0x22d/0xd01 [ 351.405431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.410545] ? __lock_acquire+0x7ec/0x4ec0 [ 351.414787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.419892] ? __lock_acquire+0x7ec/0x4ec0 [ 351.424124] ? should_fail+0x22d/0xd01 [ 351.428044] ? mark_held_locks+0x130/0x130 [ 351.432289] ? mark_held_locks+0x130/0x130 [ 351.436526] ? __account_cfs_rq_runtime+0x790/0x790 [ 351.441547] ? select_task_rq_fair+0x754/0x3500 [ 351.446218] ? lock_downgrade+0x900/0x900 [ 351.450367] ? check_preemption_disabled+0x48/0x200 [ 351.455392] ? graph_lock+0x170/0x170 [ 351.459192] ? print_usage_bug+0xc0/0xc0 [ 351.463257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.468797] ? check_preemption_disabled+0x48/0x200 [ 351.473812] ? check_preemption_disabled+0x48/0x200 [ 351.478840] ? __lock_is_held+0xb5/0x140 [ 351.482911] __alloc_pages_nodemask+0xa80/0xde0 [ 351.487586] ? graph_lock+0x170/0x170 [ 351.491392] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 351.496405] ? graph_lock+0x170/0x170 [ 351.500345] ? find_held_lock+0x36/0x1c0 [ 351.504416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.509088] ? lock_downgrade+0x900/0x900 [ 351.513245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.518800] cache_grow_begin+0x91/0x8c0 [ 351.522866] ? do_raw_spin_unlock+0xa7/0x2f0 [ 351.527285] fallback_alloc+0x203/0x2e0 [ 351.531267] ____cache_alloc_node+0x1c7/0x1e0 [ 351.535772] kmem_cache_alloc_node+0xe3/0x730 [ 351.540272] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.544518] __alloc_skb+0x119/0x770 [ 351.548233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.553516] ? skb_scrub_packet+0x490/0x490 [ 351.557842] ? lock_downgrade+0x900/0x900 [ 351.562002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.567543] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.572998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.578462] ? addrconf_rs_timer+0x690/0x690 [ 351.582901] ndisc_alloc_skb+0x144/0x340 [ 351.586968] ndisc_send_rs+0x331/0x6e0 [ 351.590861] addrconf_rs_timer+0x314/0x690 [ 351.595103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.599359] call_timer_fn+0x272/0x920 [ 351.603246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.607501] ? process_timeout+0x40/0x40 [ 351.611566] ? find_held_lock+0x36/0x1c0 [ 351.615638] ? mark_held_locks+0xc7/0x130 [ 351.619791] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.624287] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.628781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.633019] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 351.637607] ? trace_hardirqs_on+0xbd/0x310 [ 351.641931] ? kasan_check_read+0x11/0x20 [ 351.646085] ? __run_timers+0x7da/0xc70 [ 351.650065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.655533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.659767] __run_timers+0x7e5/0xc70 [ 351.663584] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 351.668950] ? lock_downgrade+0x900/0x900 [ 351.673114] ? print_usage_bug+0xc0/0xc0 [ 351.677177] ? trace_hardirqs_on+0x310/0x310 [ 351.681596] ? kvm_clock_read+0x18/0x30 [ 351.685576] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 351.690597] ? graph_lock+0x170/0x170 [ 351.694403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.699942] ? check_preemption_disabled+0x48/0x200 [ 351.704976] ? __lock_is_held+0xb5/0x140 [ 351.709039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.714578] ? check_preemption_disabled+0x48/0x200 [ 351.719608] run_timer_softirq+0x52/0xb0 [ 351.723670] ? rcu_read_lock_sched_held+0x108/0x120 [ 351.728689] __do_softirq+0x30b/0xad8 [ 351.732508] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 351.737613] ? irq_exit+0xbd/0x1c0 [ 351.741156] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 351.746176] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.752066] ? ret_from_intr+0xb/0x1e [ 351.755871] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.760888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.765735] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.770758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.776299] ? check_preemption_disabled+0x48/0x200 [ 351.781314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.786859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.791711] ? neigh_periodic_work+0x6bd/0xc60 [ 351.796294] do_softirq_own_stack+0x2a/0x40 [ 351.800612] [ 351.802851] do_softirq.part.13+0x126/0x160 [ 351.807203] __local_bh_enable_ip+0x21d/0x260 [ 351.811708] _raw_write_unlock_bh+0x30/0x40 [ 351.816031] neigh_periodic_work+0x6bd/0xc60 [ 351.820466] ? neigh_table_clear+0x390/0x390 [ 351.824887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.830444] ? check_preemption_disabled+0x48/0x200 [ 351.835493] ? check_preemption_disabled+0x48/0x200 [ 351.840527] ? __lock_is_held+0xb5/0x140 [ 351.844604] process_one_work+0xc90/0x1b90 [ 351.848843] ? mark_held_locks+0x130/0x130 [ 351.853089] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 351.857760] ? __switch_to_asm+0x40/0x70 [ 351.861821] ? __switch_to_asm+0x40/0x70 [ 351.865881] ? __switch_to_asm+0x34/0x70 [ 351.869941] ? __switch_to_asm+0x40/0x70 [ 351.874002] ? __switch_to_asm+0x34/0x70 [ 351.878065] ? __switch_to_asm+0x40/0x70 [ 351.882130] ? __switch_to_asm+0x34/0x70 [ 351.886191] ? __switch_to_asm+0x40/0x70 [ 351.890258] ? __schedule+0x874/0x1ed0 [ 351.894149] ? __switch_to_asm+0x34/0x70 [ 351.898210] ? __switch_to_asm+0x40/0x70 [ 351.902289] ? kasan_check_read+0x11/0x20 [ 351.906442] ? graph_lock+0x170/0x170 [ 351.910266] ? __sched_text_start+0x8/0x8 [ 351.914421] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.919015] ? retint_kernel+0x2d/0x2d [ 351.922916] ? find_held_lock+0x36/0x1c0 [ 351.926984] ? lock_acquire+0x1ed/0x520 [ 351.930957] ? worker_thread+0x3e0/0x1390 [ 351.935117] ? lock_release+0x970/0x970 [ 351.939098] ? trace_hardirqs_off+0xb8/0x310 [ 351.943521] ? kasan_check_read+0x11/0x20 [ 351.947669] ? worker_thread+0x3e0/0x1390 [ 351.951820] ? trace_hardirqs_on+0x310/0x310 [ 351.956236] ? kasan_check_write+0x14/0x20 [ 351.960487] ? do_raw_spin_lock+0xc1/0x200 [ 351.964729] worker_thread+0x17f/0x1390 [ 351.968705] ? __switch_to_asm+0x34/0x70 [ 351.972781] ? process_one_work+0x1b90/0x1b90 [ 351.977285] ? graph_lock+0x170/0x170 [ 351.981086] ? graph_lock+0x170/0x170 [ 351.984886] ? find_held_lock+0x36/0x1c0 [ 351.988960] ? find_held_lock+0x36/0x1c0 [ 351.993033] ? __kthread_parkme+0xce/0x1a0 [ 351.997272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.002380] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.007497] ? lockdep_hardirqs_on+0x421/0x5c0 [ 352.012081] ? trace_hardirqs_on+0xbd/0x310 [ 352.016406] ? kasan_check_read+0x11/0x20 [ 352.020557] ? __kthread_parkme+0xce/0x1a0 [ 352.024798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.030251] ? kasan_check_write+0x14/0x20 [ 352.034496] ? do_raw_spin_lock+0xc1/0x200 [ 352.038743] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.043849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.049388] ? __kthread_parkme+0xfb/0x1a0 [ 352.053628] kthread+0x35a/0x420 [ 352.056997] ? process_one_work+0x1b90/0x1b90 [ 352.061494] ? kthread_bind+0x40/0x40 [ 352.065300] ret_from_fork+0x3a/0x50 [ 352.069035] warn_alloc_show_mem: 1 callbacks suppressed [ 352.069048] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 352.069049] Mem-Info: [ 352.069081] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 352.069081] active_file:14 inactive_file:13 isolated_file:0 [ 352.069081] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.069081] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 352.069081] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 352.069081] free:13770 free_pcp:433 free_cma:0 [ 352.074418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.074427] Call Trace: [ 352.081817] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.084216] [ 352.117254] Node 0 [ 352.126616] dump_stack+0x1c4/0x2b4 [ 352.129196] 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 [ 352.156752] ? dump_stack_print_info.cold.2+0x52/0x52 [ 352.158873] lowmem_reserve[]: [ 352.161117] warn_alloc.cold.119+0xb7/0x1bd [ 352.164708] 0 [ 352.190205] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.195397] 2819 [ 352.198498] ? lock_downgrade+0x900/0x900 [ 352.202797] 6323 [ 352.204600] ? trace_hardirqs_off+0xb8/0x310 [ 352.209407] 6323 [ 352.211483] ? trace_hardirqs_off+0xb8/0x310 [ 352.215614] Node 0 [ 352.217681] __alloc_pages_slowpath+0x2667/0x2d80 [ 352.222085] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 352.224146] ? warn_alloc+0x120/0x120 [ 352.228503] lowmem_reserve[]: [ 352.230737] ? warn_alloc+0x120/0x120 [ 352.235546] 0 0 [ 352.262565] ? print_usage_bug+0xc0/0xc0 [ 352.266344] 3503 [ 352.269446] ? warn_alloc+0x120/0x120 [ 352.273221] 3503 [ 352.275204] ? print_usage_bug+0xc0/0xc0 [ 352.279239] Node 0 [ 352.281302] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 352.285101] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 352.287130] ? ktime_get+0x2e1/0x440 [ 352.291163] lowmem_reserve[]: 0 [ 352.293408] ? check_preemption_disabled+0x48/0x200 [ 352.298394] 0 [ 352.326949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.330636] 0 [ 352.333913] ? should_fail+0x22d/0xd01 [ 352.338897] 0 [ 352.340706] ? kasan_check_read+0x11/0x20 [ 352.346220] Node 0 [ 352.348024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.351883] DMA: [ 352.353685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.357807] 1*4kB [ 352.360040] ? __lock_acquire+0x7ec/0x4ec0 [ 352.365769] (U) 0*8kB [ 352.367846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.372920] 0*16kB [ 352.375066] ? should_fail+0x22d/0xd01 [ 352.379276] 1*32kB [ 352.381773] ? mark_held_locks+0x130/0x130 [ 352.386846] (U) [ 352.389079] ? mark_held_locks+0x130/0x130 [ 352.392948] 2*64kB [ 352.395181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.399390] (U) [ 352.401368] ? graph_lock+0x170/0x170 [ 352.405571] 1*128kB (U) [ 352.407811] ? mark_held_locks+0xc7/0x130 [ 352.413320] 1*256kB (U) [ 352.415300] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 352.419075] 0*512kB [ 352.421742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.425860] 1*1024kB (U) [ 352.428541] ? check_preemption_disabled+0x48/0x200 [ 352.433526] 1*2048kB (M) [ 352.435873] ? check_preemption_disabled+0x48/0x200 [ 352.441385] 3*4096kB [ 352.444145] ? __lock_is_held+0xb5/0x140 [ 352.449134] (M) [ 352.451892] __alloc_pages_nodemask+0xa80/0xde0 [ 352.456879] = 15908kB [ 352.459280] ? graph_lock+0x170/0x170 [ 352.463316] Node 0 [ 352.465288] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 352.469924] DMA32: 5*4kB [ 352.472335] ? graph_lock+0x170/0x170 [ 352.476113] (UMH) [ 352.478350] ? find_held_lock+0x36/0x1c0 [ 352.483329] 2*8kB (MH) [ 352.486096] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.489871] 3*16kB [ 352.492018] ? lock_downgrade+0x900/0x900 [ 352.496055] (MH) [ 352.498642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.503276] 3*32kB (MH) [ 352.505521] cache_grow_begin+0x91/0x8c0 [ 352.509643] 5*64kB [ 352.511702] ? do_raw_spin_unlock+0xa7/0x2f0 [ 352.517212] (MH) [ 352.519881] fallback_alloc+0x203/0x2e0 [ 352.523909] 3*128kB (M) [ 352.526151] ____cache_alloc_node+0x1c7/0x1e0 [ 352.530536] 5*256kB [ 352.532600] kmem_cache_alloc_node+0xe3/0x730 [ 352.536549] (UMH) [ 352.539218] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.543684] 5*512kB [ 352.546010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.550489] (UMH) [ 352.552639] __alloc_skb+0x119/0x770 [ 352.557717] 4*1024kB [ 352.560036] ? calc_wheel_index+0x220/0x220 [ 352.564591] (UMH) 2*2048kB [ 352.566744] ? skb_scrub_packet+0x490/0x490 [ 352.570432] (M) [ 352.572855] ? vprintk_default+0x28/0x30 [ 352.577141] 3*4096kB (M) [ 352.580077] ? vprintk_func+0x85/0x181 [ 352.584376] = 25204kB [ 352.586343] ? printk+0xa7/0xcf [ 352.590383] Node 0 [ 352.593135] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 352.596994] Normal: 990*4kB [ 352.599412] ? try_to_wake_up+0x10a/0x12f0 [ 352.602666] (UMEH) [ 352.604900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.609624] 505*8kB (MEH) [ 352.612648] new_skb+0x26/0x1c0 [ 352.616848] 189*16kB (MEH) [ 352.619093] aoecmd_cfg+0x279/0x7f0 [ 352.624163] 66*32kB (UMH) [ 352.627018] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 352.630267] 0*64kB 1*128kB [ 352.633202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.636800] (H) [ 352.639648] ? check_preemption_disabled+0x48/0x200 [ 352.643941] 1*256kB (H) [ 352.646882] ? check_preemption_disabled+0x48/0x200 [ 352.652396] 1*512kB [ 352.654375] ? __lock_is_held+0xb5/0x140 [ 352.659356] (H) [ 352.662030] discover_timer+0x50/0x60 [ 352.667013] 0*1024kB 0*2048kB [ 352.669346] call_timer_fn+0x272/0x920 [ 352.673379] 0*4096kB [ 352.675347] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 352.679128] = 14032kB [ 352.682330] ? process_timeout+0x40/0x40 [ 352.686198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.688595] ? find_held_lock+0x36/0x1c0 [ 352.693418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.695823] ? __run_timers+0x7da/0xc70 [ 352.699857] 5170 total pagecache pages [ 352.708686] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.712725] 0 pages in swap cache [ 352.721290] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.725245] Swap cache stats: add 0, delete 0, find 0/0 [ 352.729117] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 352.729135] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.733607] Free swap = 0kB [ 352.737059] ? trace_hardirqs_on+0xbd/0x310 [ 352.741528] Total swap = 0kB [ 352.746887] ? kasan_check_read+0x11/0x20 [ 352.751703] 1965979 pages RAM [ 352.756278] ? __run_timers+0x7da/0xc70 [ 352.759264] 0 pages HighMem/MovableOnly [ 352.759273] 342306 pages reserved [ 352.763588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.766575] 0 pages cma reserved [ 352.766680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.770737] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 352.773931] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.777807] __run_timers+0x7e5/0xc70 [ 352.781762] kworker/0:2 cpuset= [ 352.785221] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 352.790634] / [ 352.794000] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 352.800479] mems_allowed=0 [ 352.805308] ? graph_lock+0x170/0x170 [ 352.841406] ? enqueue_hrtimer+0x1a5/0x560 [ 352.845642] ? lock_release+0x970/0x970 [ 352.849624] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 352.854823] ? find_held_lock+0x36/0x1c0 [ 352.858889] ? graph_lock+0x170/0x170 [ 352.862698] ? pvclock_read_flags+0x160/0x160 [ 352.867195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.872739] ? check_preemption_disabled+0x48/0x200 [ 352.877772] ? __lock_is_held+0xb5/0x140 [ 352.881838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.887379] ? check_preemption_disabled+0x48/0x200 [ 352.892408] run_timer_softirq+0x52/0xb0 [ 352.896478] ? rcu_read_lock_sched_held+0x108/0x120 [ 352.901498] __do_softirq+0x30b/0xad8 [ 352.905312] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 352.910424] ? pvclock_read_flags+0x160/0x160 [ 352.914931] ? lapic_next_event+0x5a/0x90 [ 352.919086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.924628] ? check_preemption_disabled+0x48/0x200 [ 352.929644] ? check_preemption_disabled+0x48/0x200 [ 352.934672] ? kvm_clock_read+0x18/0x30 [ 352.938652] ? kvm_sched_clock_read+0x9/0x20 [ 352.943064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.948606] ? check_preemption_disabled+0x48/0x200 [ 352.953639] irq_exit+0x17f/0x1c0 [ 352.957098] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.961944] ? smp_reschedule_interrupt+0x109/0x650 [ 352.966967] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.972866] ? interrupt_entry+0xb5/0xf0 [ 352.976934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.981951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.986985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.991829] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.996843] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.001861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.007400] ? check_preemption_disabled+0x48/0x200 [ 353.012415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.017961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.022822] apic_timer_interrupt+0xf/0x20 [ 353.027051] [ 353.029299] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 353.034232] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 353.053131] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.060842] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.068113] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 353.075382] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 353.082650] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 353.089918] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 353.097237] skb_clone+0x1bb/0x500 [ 353.100782] ? finish_task_switch+0x2f5/0x900 [ 353.105283] ? skb_split+0x11e0/0x11e0 [ 353.109176] ? preempt_notifier_register+0x200/0x200 [ 353.114284] ? __switch_to_asm+0x34/0x70 [ 353.118349] ? __switch_to_asm+0x34/0x70 [ 353.122412] ? __switch_to_asm+0x40/0x70 [ 353.126483] ? __switch_to_asm+0x34/0x70 [ 353.130547] ? __switch_to_asm+0x40/0x70 [ 353.134609] ? __switch_to_asm+0x34/0x70 [ 353.138671] ? __switch_to_asm+0x40/0x70 [ 353.142732] ? __switch_to_asm+0x34/0x70 [ 353.146803] ? __switch_to_asm+0x34/0x70 [ 353.150869] ? __switch_to_asm+0x40/0x70 [ 353.154934] ? __switch_to_asm+0x34/0x70 [ 353.159013] bpf_clone_redirect+0xb9/0x490 [ 353.163257] ? __schedule+0x874/0x1ed0 [ 353.167154] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 353.172174] ? __sched_text_start+0x8/0x8 [ 353.176342] ? find_held_lock+0x36/0x1c0 [ 353.180415] ? lock_acquire+0x1ed/0x520 [ 353.184394] ? bpf_test_run+0x3cb/0x780 [ 353.188374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.193915] ? check_preemption_disabled+0x48/0x200 [ 353.198942] ? kasan_check_read+0x11/0x20 [ 353.203097] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.208378] ? rcu_bh_qs+0xc0/0xc0 [ 353.211924] ? preempt_schedule+0x4d/0x60 [ 353.216075] ? ___preempt_schedule+0x16/0x18 [ 353.220502] ? bpf_test_run+0x25d/0x780 [ 353.224498] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.228911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.234469] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 353.239238] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.244081] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.249615] ? fput+0x130/0x1a0 [ 353.252929] ? __bpf_prog_get+0x9b/0x290 [ 353.256998] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.261840] ? bpf_prog_test_run+0x130/0x1a0 [ 353.266254] ? __x64_sys_bpf+0x3d8/0x520 [ 353.270316] ? bpf_prog_get+0x20/0x20 [ 353.274138] ? do_syscall_64+0x1b9/0x820 [ 353.278208] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.283575] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.288510] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.293530] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.298547] ? recalc_sigpending_tsk+0x180/0x180 [ 353.303308] ? kasan_check_write+0x14/0x20 [ 353.307552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.312410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.317796] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 353.317881] aoe: skb alloc failure [ 353.324897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.324919] Workqueue: events_power_efficient neigh_periodic_work [ 353.324928] Call Trace: [ 353.324939] [ 353.328501] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.337828] dump_stack+0x1c4/0x2b4 [ 353.344032] syz-executor2 cpuset= [ 353.346614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 353.348741] syz2 [ 353.359232] warn_alloc.cold.119+0xb7/0x1bd [ 353.362826] mems_allowed=0 [ 353.366275] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.385496] ? lock_downgrade+0x900/0x900 [ 353.389655] ? trace_hardirqs_off+0xb8/0x310 [ 353.394071] ? trace_hardirqs_off+0xb8/0x310 [ 353.398501] __alloc_pages_slowpath+0x2667/0x2d80 [ 353.403383] ? warn_alloc+0x120/0x120 [ 353.407185] ? trace_hardirqs_on+0x310/0x310 [ 353.411597] ? warn_alloc+0x120/0x120 [ 353.415404] ? print_usage_bug+0xc0/0xc0 [ 353.419482] ? warn_alloc+0x120/0x120 [ 353.423287] ? ktime_get+0x2e1/0x440 [ 353.427000] ? print_usage_bug+0xc0/0xc0 [ 353.431068] ? __lock_acquire+0x7ec/0x4ec0 [ 353.435305] ? __lock_acquire+0x7ec/0x4ec0 [ 353.439547] ? kasan_check_read+0x11/0x20 [ 353.443697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.449239] ? should_fail+0x22d/0xd01 [ 353.453129] ? rcu_bh_qs+0xc0/0xc0 [ 353.456676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.461784] ? __lock_acquire+0x7ec/0x4ec0 [ 353.466028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.471131] ? __lock_acquire+0x7ec/0x4ec0 [ 353.475368] ? should_fail+0x22d/0xd01 [ 353.479256] ? rcu_idle_enter+0x4b0/0x4b0 [ 353.483413] ? mark_held_locks+0x130/0x130 [ 353.487656] ? mark_held_locks+0x130/0x130 [ 353.491902] ? mark_held_locks+0xc7/0x130 [ 353.496054] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 353.501209] ? graph_lock+0x170/0x170 [ 353.505013] ? print_usage_bug+0xc0/0xc0 [ 353.509077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.514618] ? check_preemption_disabled+0x48/0x200 [ 353.519639] ? check_preemption_disabled+0x48/0x200 [ 353.524668] ? __lock_is_held+0xb5/0x140 [ 353.528737] __alloc_pages_nodemask+0xa80/0xde0 [ 353.533408] ? graph_lock+0x170/0x170 [ 353.537214] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 353.542231] ? graph_lock+0x170/0x170 [ 353.546046] ? find_held_lock+0x36/0x1c0 [ 353.550122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.554793] ? lock_downgrade+0x900/0x900 [ 353.558956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.564510] cache_grow_begin+0x91/0x8c0 [ 353.568578] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.573018] fallback_alloc+0x203/0x2e0 [ 353.577006] ____cache_alloc_node+0x1c7/0x1e0 [ 353.581513] kmem_cache_alloc_node+0xe3/0x730 [ 353.586013] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.590261] __alloc_skb+0x119/0x770 [ 353.593978] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.599265] ? skb_scrub_packet+0x490/0x490 [ 353.603590] ? lock_downgrade+0x900/0x900 [ 353.607750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.613291] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.618746] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.624199] ? addrconf_rs_timer+0x690/0x690 [ 353.628623] ndisc_alloc_skb+0x144/0x340 [ 353.632695] ndisc_send_rs+0x331/0x6e0 [ 353.636593] addrconf_rs_timer+0x314/0x690 [ 353.640833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.645084] call_timer_fn+0x272/0x920 [ 353.648977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.653215] ? process_timeout+0x40/0x40 [ 353.657273] ? find_held_lock+0x36/0x1c0 [ 353.661343] ? mark_held_locks+0xc7/0x130 [ 353.665503] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.670004] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.674502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.678739] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 353.683328] ? trace_hardirqs_on+0xbd/0x310 [ 353.687650] ? kasan_check_read+0x11/0x20 [ 353.691801] ? __run_timers+0x7da/0xc70 [ 353.695779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.701234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.705492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.709729] __run_timers+0x7e5/0xc70 [ 353.713546] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 353.718908] ? lock_downgrade+0x900/0x900 [ 353.723075] ? print_usage_bug+0xc0/0xc0 [ 353.727135] ? trace_hardirqs_on+0x310/0x310 [ 353.731562] ? kvm_clock_read+0x18/0x30 [ 353.735538] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 353.740561] ? graph_lock+0x170/0x170 [ 353.744401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.749941] ? check_preemption_disabled+0x48/0x200 [ 353.754969] ? __lock_is_held+0xb5/0x140 [ 353.759034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.764572] ? check_preemption_disabled+0x48/0x200 [ 353.769596] run_timer_softirq+0x52/0xb0 [ 353.773658] ? rcu_read_lock_sched_held+0x108/0x120 [ 353.778679] __do_softirq+0x30b/0xad8 [ 353.782501] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 353.787609] ? irq_exit+0xbd/0x1c0 [ 353.791149] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 353.796166] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.802056] ? ret_from_intr+0xb/0x1e [ 353.805857] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.810878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.815724] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.820757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.826296] ? check_preemption_disabled+0x48/0x200 [ 353.831314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.836861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.841715] ? neigh_periodic_work+0x6bd/0xc60 [ 353.846303] do_softirq_own_stack+0x2a/0x40 [ 353.850617] [ 353.852856] do_softirq.part.13+0x126/0x160 [ 353.857179] __local_bh_enable_ip+0x21d/0x260 [ 353.861681] _raw_write_unlock_bh+0x30/0x40 [ 353.866010] neigh_periodic_work+0x6bd/0xc60 [ 353.870434] ? neigh_table_clear+0x390/0x390 [ 353.874874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.880413] ? check_preemption_disabled+0x48/0x200 [ 353.885436] ? check_preemption_disabled+0x48/0x200 [ 353.890495] ? __lock_is_held+0xb5/0x140 [ 353.894576] process_one_work+0xc90/0x1b90 [ 353.898811] ? mark_held_locks+0x130/0x130 [ 353.903058] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 353.907732] ? __switch_to_asm+0x40/0x70 [ 353.911794] ? __switch_to_asm+0x40/0x70 [ 353.915855] ? __switch_to_asm+0x34/0x70 [ 353.919915] ? __switch_to_asm+0x40/0x70 [ 353.923976] ? __switch_to_asm+0x34/0x70 [ 353.928039] ? __switch_to_asm+0x40/0x70 [ 353.932101] ? __switch_to_asm+0x34/0x70 [ 353.936164] ? __switch_to_asm+0x40/0x70 [ 353.940230] ? __schedule+0x874/0x1ed0 [ 353.944124] ? __switch_to_asm+0x34/0x70 [ 353.948184] ? __switch_to_asm+0x40/0x70 [ 353.952263] ? kasan_check_read+0x11/0x20 [ 353.956413] ? graph_lock+0x170/0x170 [ 353.960223] ? __sched_text_start+0x8/0x8 [ 353.964381] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.968963] ? retint_kernel+0x2d/0x2d [ 353.972854] ? find_held_lock+0x36/0x1c0 [ 353.976927] ? lock_acquire+0x1ed/0x520 [ 353.980900] ? worker_thread+0x3e0/0x1390 [ 353.985059] ? lock_release+0x970/0x970 [ 353.989040] ? trace_hardirqs_off+0xb8/0x310 [ 353.993461] ? kasan_check_read+0x11/0x20 [ 353.997615] ? worker_thread+0x3e0/0x1390 [ 354.001768] ? trace_hardirqs_on+0x310/0x310 [ 354.006183] ? kasan_check_write+0x14/0x20 [ 354.010419] ? do_raw_spin_lock+0xc1/0x200 [ 354.014672] worker_thread+0x17f/0x1390 [ 354.018663] ? __switch_to_asm+0x34/0x70 [ 354.022741] ? process_one_work+0x1b90/0x1b90 [ 354.027245] ? graph_lock+0x170/0x170 [ 354.031050] ? graph_lock+0x170/0x170 [ 354.034855] ? find_held_lock+0x36/0x1c0 [ 354.038934] ? find_held_lock+0x36/0x1c0 [ 354.043006] ? __kthread_parkme+0xce/0x1a0 [ 354.047250] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.052357] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.057467] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.062059] ? trace_hardirqs_on+0xbd/0x310 [ 354.066383] ? kasan_check_read+0x11/0x20 [ 354.070531] ? __kthread_parkme+0xce/0x1a0 [ 354.074785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.080240] ? kasan_check_write+0x14/0x20 [ 354.084487] ? do_raw_spin_lock+0xc1/0x200 [ 354.088735] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.093842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.099392] ? __kthread_parkme+0xfb/0x1a0 [ 354.103636] kthread+0x35a/0x420 [ 354.107005] ? process_one_work+0x1b90/0x1b90 [ 354.111506] ? kthread_bind+0x40/0x40 [ 354.115316] ret_from_fork+0x3a/0x50 [ 354.119052] warn_alloc_show_mem: 1 callbacks suppressed [ 354.119064] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 354.119066] Mem-Info: [ 354.119099] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 354.119099] active_file:14 inactive_file:13 isolated_file:0 [ 354.119099] unevictable:0 dirty:0 writeback:0 unstable:0 [ 354.119099] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 354.119099] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 354.119099] free:13770 free_pcp:433 free_cma:0 [ 354.124443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.131823] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 354.134229] Call Trace: [ 354.167278] Node 0 [ 354.176631] [ 354.204243] 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 [ 354.206812] dump_stack+0x1c4/0x2b4 [ 354.209010] lowmem_reserve[]: 0 [ 354.211166] ? dump_stack_print_info.cold.2+0x52/0x52 [ 354.236641] 2819 6323 [ 354.240286] warn_alloc.cold.119+0xb7/0x1bd [ 354.243530] 6323 [ 354.248717] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.255506] ? lock_downgrade+0x900/0x900 [ 354.257546] Node 0 [ 354.262385] ? trace_hardirqs_off+0xb8/0x310 [ 354.266536] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 354.268751] ? trace_hardirqs_off+0xb8/0x310 [ 354.273135] lowmem_reserve[]: [ 354.300119] __alloc_pages_slowpath+0x2667/0x2d80 [ 354.304504] 0 [ 354.307636] ? warn_alloc+0x120/0x120 [ 354.312426] 0 [ 354.314226] ? __lock_acquire+0x7ec/0x4ec0 [ 354.318005] 3503 [ 354.319806] ? warn_alloc+0x120/0x120 [ 354.324019] 3503 [ 354.326077] ? print_usage_bug+0xc0/0xc0 [ 354.331915] ? warn_alloc+0x120/0x120 [ 354.335951] Node 0 [ 354.339746] ? print_usage_bug+0xc0/0xc0 [ 354.339782] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 354.341991] ? mark_held_locks+0x130/0x130 [ 354.346018] lowmem_reserve[]: 0 [ 354.374745] ? mark_held_locks+0x130/0x130 [ 354.378957] 0 [ 354.382238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.386440] 0 0 [ 354.388254] ? should_fail+0x22d/0xd01 [ 354.395736] ? graph_lock+0x170/0x170 [ 354.399600] Node 0 DMA: [ 354.403396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.403412] ? __lock_acquire+0x7ec/0x4ec0 [ 354.406061] 1*4kB [ 354.411155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.415369] (U) [ 354.417516] ? should_fail+0x22d/0xd01 [ 354.422593] 0*8kB 0*16kB [ 354.424596] ? mark_held_locks+0x130/0x130 [ 354.428461] 1*32kB [ 354.431215] ? mark_held_locks+0x130/0x130 [ 354.435423] (U) [ 354.437657] ? lock_downgrade+0x900/0x900 [ 354.441868] 2*64kB [ 354.443840] ? graph_lock+0x170/0x170 [ 354.447966] (U) [ 354.450202] ? graph_lock+0x170/0x170 [ 354.453994] 1*128kB [ 354.455963] ? graph_lock+0x170/0x170 [ 354.459740] (U) [ 354.462062] ? print_usage_bug+0xc0/0xc0 [ 354.465837] 1*256kB [ 354.467811] ? do_raw_spin_unlock+0xa7/0x2f0 [ 354.471847] (U) [ 354.474171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.478553] 0*512kB [ 354.480529] ? check_preemption_disabled+0x48/0x200 [ 354.486038] 1*1024kB [ 354.488357] ? check_preemption_disabled+0x48/0x200 [ 354.493344] (U) [ 354.495760] ? __lock_is_held+0xb5/0x140 [ 354.500742] 1*2048kB (M) [ 354.502728] __alloc_pages_nodemask+0xa80/0xde0 [ 354.506762] 3*4096kB [ 354.509516] ? graph_lock+0x170/0x170 [ 354.514161] (M) [ 354.516569] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 354.520337] = 15908kB [ 354.520345] Node 0 [ 354.522315] ? graph_lock+0x170/0x170 [ 354.527299] DMA32: 5*4kB [ 354.529719] ? find_held_lock+0x36/0x1c0 [ 354.531922] (UMH) [ 354.535724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.538450] 2*8kB (MH) [ 354.542534] ? lock_downgrade+0x900/0x900 [ 354.544660] 3*16kB [ 354.549329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.551883] (MH) [ 354.556030] cache_grow_begin+0x91/0x8c0 [ 354.558234] 3*32kB (MH) [ 354.563783] ? do_raw_spin_unlock+0xa7/0x2f0 [ 354.565822] 5*64kB [ 354.569880] fallback_alloc+0x203/0x2e0 [ 354.572528] (MH) [ 354.576939] ____cache_alloc_node+0x1c7/0x1e0 [ 354.579150] 3*128kB [ 354.583132] kmem_cache_alloc_node+0xe3/0x730 [ 354.585168] (M) [ 354.589666] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.591977] 5*256kB (UMH) [ 354.596492] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.598458] 5*512kB [ 354.603557] __alloc_skb+0x119/0x770 [ 354.606394] (UMH) [ 354.610971] ? calc_wheel_index+0x220/0x220 [ 354.613269] 4*1024kB [ 354.616979] ? skb_scrub_packet+0x490/0x490 [ 354.619100] (UMH) [ 354.623419] ? vprintk_default+0x28/0x30 [ 354.625800] 2*2048kB [ 354.630110] ? vprintk_func+0x85/0x181 [ 354.632238] (M) [ 354.636290] ? printk+0xa7/0xcf [ 354.638683] 3*4096kB (M) [ 354.642576] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 354.644524] = 25204kB [ 354.644532] Node 0 [ 354.647806] ? try_to_wake_up+0x10a/0x12f0 [ 354.650543] Normal: [ 354.655296] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.657680] 990*4kB [ 354.659914] new_skb+0x26/0x1c0 [ 354.664119] (UMEH) [ 354.666437] aoecmd_cfg+0x279/0x7f0 [ 354.671523] 505*8kB (MEH) [ 354.673854] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 354.677106] 189*16kB [ 354.679349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.682948] (MEH) [ 354.685794] ? check_preemption_disabled+0x48/0x200 [ 354.690081] 66*32kB (UMH) [ 354.692506] ? check_preemption_disabled+0x48/0x200 [ 354.698013] 0*64kB 1*128kB [ 354.700177] ? __lock_is_held+0xb5/0x140 [ 354.705161] (H) [ 354.708012] discover_timer+0x50/0x60 [ 354.712999] 1*256kB [ 354.715928] call_timer_fn+0x272/0x920 [ 354.719962] (H) [ 354.721935] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.725710] 1*512kB [ 354.728033] ? process_timeout+0x40/0x40 [ 354.731894] (H) [ 354.733870] ? find_held_lock+0x36/0x1c0 [ 354.738688] 0*1024kB 0*2048kB [ 354.741030] ? __run_timers+0x7da/0xc70 [ 354.745054] 0*4096kB [ 354.747028] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.751061] = 14032kB [ 354.754249] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.758202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 354.760604] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.765079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.767493] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.771968] 5170 total pagecache pages [ 354.780803] ? trace_hardirqs_on+0xbd/0x310 [ 354.785631] 0 pages in swap cache [ 354.794226] ? kasan_check_read+0x11/0x20 [ 354.798792] Swap cache stats: add 0, delete 0, find 0/0 [ 354.802678] ? __run_timers+0x7da/0xc70 [ 354.806974] Free swap = 0kB [ 354.810438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.814558] Total swap = 0kB [ 354.819936] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.823871] 1965979 pages RAM [ 354.826910] __run_timers+0x7e5/0xc70 [ 354.832330] 0 pages HighMem/MovableOnly [ 354.832339] 342306 pages reserved [ 354.835367] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 354.840172] 0 pages cma reserved [ 354.843275] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.847120] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.851012] ? graph_lock+0x170/0x170 [ 354.851031] ? enqueue_hrtimer+0x1a5/0x560 [ 354.851047] ? lock_release+0x970/0x970 [ 354.854549] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.859846] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 354.863189] kworker/0:2 cpuset= [ 354.868200] ? find_held_lock+0x36/0x1c0 [ 354.874666] / [ 354.878469] ? graph_lock+0x170/0x170 [ 354.882700] mems_allowed=0 [ 354.886682] ? pvclock_read_flags+0x160/0x160 [ 354.922394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.927944] ? check_preemption_disabled+0x48/0x200 [ 354.932983] ? __lock_is_held+0xb5/0x140 [ 354.937050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.942592] ? check_preemption_disabled+0x48/0x200 [ 354.947621] run_timer_softirq+0x52/0xb0 [ 354.951688] ? rcu_read_lock_sched_held+0x108/0x120 [ 354.956708] __do_softirq+0x30b/0xad8 [ 354.960526] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 354.965637] ? pvclock_read_flags+0x160/0x160 [ 354.970133] ? lapic_next_event+0x5a/0x90 [ 354.974283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.979826] ? check_preemption_disabled+0x48/0x200 [ 354.984846] ? check_preemption_disabled+0x48/0x200 [ 354.989875] ? kvm_clock_read+0x18/0x30 [ 354.993851] ? kvm_sched_clock_read+0x9/0x20 [ 354.998267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.003805] ? check_preemption_disabled+0x48/0x200 [ 355.008837] irq_exit+0x17f/0x1c0 [ 355.012297] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.017138] ? smp_reschedule_interrupt+0x109/0x650 [ 355.022155] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.028041] ? interrupt_entry+0xb5/0xf0 [ 355.032109] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.037129] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.042151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.046997] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.052013] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.057033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.062576] ? check_preemption_disabled+0x48/0x200 [ 355.067593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.073141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.078003] apic_timer_interrupt+0xf/0x20 [ 355.082234] [ 355.084482] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 355.089414] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 355.108323] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 355.116047] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.123312] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 355.130580] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 355.137846] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 355.145113] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 355.152432] skb_clone+0x1bb/0x500 [ 355.155989] ? finish_task_switch+0x2f5/0x900 [ 355.160494] ? skb_split+0x11e0/0x11e0 [ 355.164386] ? preempt_notifier_register+0x200/0x200 [ 355.169499] ? __switch_to_asm+0x34/0x70 [ 355.173565] ? __switch_to_asm+0x34/0x70 [ 355.177630] ? __switch_to_asm+0x40/0x70 [ 355.181695] ? __switch_to_asm+0x34/0x70 [ 355.185757] ? __switch_to_asm+0x40/0x70 [ 355.189824] ? __switch_to_asm+0x34/0x70 [ 355.193889] ? __switch_to_asm+0x40/0x70 [ 355.197950] ? __switch_to_asm+0x34/0x70 [ 355.202019] ? __switch_to_asm+0x34/0x70 [ 355.206082] ? __switch_to_asm+0x40/0x70 [ 355.210157] ? __switch_to_asm+0x34/0x70 [ 355.214227] bpf_clone_redirect+0xb9/0x490 [ 355.218474] ? __schedule+0x874/0x1ed0 [ 355.222371] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 355.227393] ? __sched_text_start+0x8/0x8 [ 355.231561] ? find_held_lock+0x36/0x1c0 [ 355.235632] ? lock_acquire+0x1ed/0x520 [ 355.239610] ? bpf_test_run+0x3cb/0x780 [ 355.243586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.249127] ? check_preemption_disabled+0x48/0x200 [ 355.254151] ? kasan_check_read+0x11/0x20 [ 355.258303] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.263583] ? rcu_bh_qs+0xc0/0xc0 [ 355.267125] ? preempt_schedule+0x4d/0x60 [ 355.271276] ? ___preempt_schedule+0x16/0x18 [ 355.275693] ? bpf_test_run+0x25d/0x780 [ 355.279682] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.284094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.289645] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 355.294411] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.299252] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.304789] ? fput+0x130/0x1a0 [ 355.308074] ? __bpf_prog_get+0x9b/0x290 [ 355.312143] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.316994] ? bpf_prog_test_run+0x130/0x1a0 [ 355.321407] ? __x64_sys_bpf+0x3d8/0x520 [ 355.325477] ? bpf_prog_get+0x20/0x20 [ 355.329307] ? do_syscall_64+0x1b9/0x820 [ 355.333371] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.338741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.343676] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.348695] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.353717] ? recalc_sigpending_tsk+0x180/0x180 [ 355.358482] ? kasan_check_write+0x14/0x20 [ 355.362727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.367587] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.372974] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 355.373059] aoe: skb alloc failure [ 355.380073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.380096] Workqueue: events_power_efficient neigh_periodic_work [ 355.383714] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.392991] Call Trace: [ 355.393000] [ 355.399229] syz-executor2 cpuset= [ 355.409715] dump_stack+0x1c4/0x2b4 [ 355.412275] syz2 [ 355.414420] ? dump_stack_print_info.cold.2+0x52/0x52 [ 355.417849] mems_allowed=0 [ 355.421490] warn_alloc.cold.119+0xb7/0x1bd [ 355.435854] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.440704] ? lock_downgrade+0x900/0x900 [ 355.444866] ? trace_hardirqs_off+0xb8/0x310 [ 355.449280] ? trace_hardirqs_off+0xb8/0x310 [ 355.453698] __alloc_pages_slowpath+0x2667/0x2d80 [ 355.458590] ? warn_alloc+0x120/0x120 [ 355.462397] ? warn_alloc+0x120/0x120 [ 355.466200] ? print_usage_bug+0xc0/0xc0 [ 355.470261] ? warn_alloc+0x120/0x120 [ 355.474064] ? print_usage_bug+0xc0/0xc0 [ 355.478131] ? __lock_acquire+0x7ec/0x4ec0 [ 355.482364] ? __lock_acquire+0x7ec/0x4ec0 [ 355.486603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.492153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.497845] ? should_fail+0x22d/0xd01 [ 355.501734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.506845] ? __lock_acquire+0x7ec/0x4ec0 [ 355.511086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.516187] ? __lock_acquire+0x7ec/0x4ec0 [ 355.520439] ? should_fail+0x22d/0xd01 [ 355.524350] ? mark_held_locks+0x130/0x130 [ 355.528590] ? mark_held_locks+0x130/0x130 [ 355.532828] ? graph_lock+0x170/0x170 [ 355.536638] ? print_usage_bug+0xc0/0xc0 [ 355.540708] ? graph_lock+0x170/0x170 [ 355.544510] ? print_usage_bug+0xc0/0xc0 [ 355.548580] ? wq_watchdog_touch+0x9c/0xfe [ 355.552816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.558354] ? check_preemption_disabled+0x48/0x200 [ 355.563369] ? check_preemption_disabled+0x48/0x200 [ 355.568400] ? __lock_is_held+0xb5/0x140 [ 355.572482] __alloc_pages_nodemask+0xa80/0xde0 [ 355.577154] ? graph_lock+0x170/0x170 [ 355.580969] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 355.585983] ? graph_lock+0x170/0x170 [ 355.589800] ? find_held_lock+0x36/0x1c0 [ 355.593887] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.598558] ? lock_downgrade+0x900/0x900 [ 355.602715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.608262] cache_grow_begin+0x91/0x8c0 [ 355.612325] ? do_raw_spin_unlock+0xa7/0x2f0 [ 355.616746] fallback_alloc+0x203/0x2e0 [ 355.620734] ____cache_alloc_node+0x1c7/0x1e0 [ 355.625235] kmem_cache_alloc_node+0xe3/0x730 [ 355.629736] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.633982] __alloc_skb+0x119/0x770 [ 355.637699] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.642982] ? skb_scrub_packet+0x490/0x490 [ 355.647305] ? lock_downgrade+0x900/0x900 [ 355.651470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.657018] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.662486] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.667941] ? addrconf_rs_timer+0x690/0x690 [ 355.672363] ndisc_alloc_skb+0x144/0x340 [ 355.676431] ndisc_send_rs+0x331/0x6e0 [ 355.680337] addrconf_rs_timer+0x314/0x690 [ 355.684579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.688837] call_timer_fn+0x272/0x920 [ 355.692724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.696962] ? process_timeout+0x40/0x40 [ 355.701023] ? find_held_lock+0x36/0x1c0 [ 355.705093] ? mark_held_locks+0xc7/0x130 [ 355.709264] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.713759] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.718255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.722495] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 355.727079] ? trace_hardirqs_on+0xbd/0x310 [ 355.731401] ? kasan_check_read+0x11/0x20 [ 355.735549] ? __run_timers+0x7da/0xc70 [ 355.739525] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.745014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.749254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.753496] __run_timers+0x7e5/0xc70 [ 355.757344] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 355.762706] ? lock_downgrade+0x900/0x900 [ 355.766871] ? print_usage_bug+0xc0/0xc0 [ 355.770931] ? trace_hardirqs_on+0x310/0x310 [ 355.775354] ? kvm_clock_read+0x18/0x30 [ 355.779339] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.784376] ? graph_lock+0x170/0x170 [ 355.788201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.793741] ? check_preemption_disabled+0x48/0x200 [ 355.798776] ? __lock_is_held+0xb5/0x140 [ 355.802840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.808378] ? check_preemption_disabled+0x48/0x200 [ 355.813404] run_timer_softirq+0x52/0xb0 [ 355.817472] ? rcu_read_lock_sched_held+0x108/0x120 [ 355.822502] __do_softirq+0x30b/0xad8 [ 355.826324] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 355.831431] ? irq_exit+0xbd/0x1c0 [ 355.834979] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 355.839999] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.845891] ? ret_from_intr+0xb/0x1e [ 355.849695] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.854718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.859563] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.864580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.870129] ? check_preemption_disabled+0x48/0x200 [ 355.875148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.880701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.885551] ? neigh_periodic_work+0x6bd/0xc60 [ 355.890136] do_softirq_own_stack+0x2a/0x40 [ 355.894460] [ 355.896710] do_softirq.part.13+0x126/0x160 [ 355.901033] __local_bh_enable_ip+0x21d/0x260 [ 355.905534] _raw_write_unlock_bh+0x30/0x40 [ 355.909860] neigh_periodic_work+0x6bd/0xc60 [ 355.914280] ? neigh_table_clear+0x390/0x390 [ 355.918690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.924231] ? check_preemption_disabled+0x48/0x200 [ 355.929247] ? check_preemption_disabled+0x48/0x200 [ 355.934277] ? __lock_is_held+0xb5/0x140 [ 355.938361] process_one_work+0xc90/0x1b90 [ 355.942597] ? mark_held_locks+0x130/0x130 [ 355.946845] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 355.951526] ? __switch_to_asm+0x40/0x70 [ 355.955592] ? __switch_to_asm+0x40/0x70 [ 355.959652] ? __switch_to_asm+0x34/0x70 [ 355.963713] ? __switch_to_asm+0x40/0x70 [ 355.967779] ? __switch_to_asm+0x34/0x70 [ 355.971848] ? __switch_to_asm+0x40/0x70 [ 355.975913] ? __switch_to_asm+0x34/0x70 [ 355.979998] ? __switch_to_asm+0x40/0x70 [ 355.984066] ? __schedule+0x874/0x1ed0 [ 355.987959] ? __switch_to_asm+0x34/0x70 [ 355.992038] ? __switch_to_asm+0x40/0x70 [ 355.996121] ? kasan_check_read+0x11/0x20 [ 356.000277] ? graph_lock+0x170/0x170 [ 356.004084] ? __sched_text_start+0x8/0x8 [ 356.008242] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.012828] ? retint_kernel+0x2d/0x2d [ 356.016724] ? find_held_lock+0x36/0x1c0 [ 356.020796] ? lock_acquire+0x1ed/0x520 [ 356.024771] ? worker_thread+0x3e0/0x1390 [ 356.028925] ? lock_release+0x970/0x970 [ 356.032904] ? trace_hardirqs_off+0xb8/0x310 [ 356.037311] ? kasan_check_read+0x11/0x20 [ 356.041479] ? worker_thread+0x3e0/0x1390 [ 356.045642] ? trace_hardirqs_on+0x310/0x310 [ 356.050056] ? kasan_check_write+0x14/0x20 [ 356.054294] ? do_raw_spin_lock+0xc1/0x200 [ 356.058535] worker_thread+0x17f/0x1390 [ 356.062520] ? __switch_to_asm+0x34/0x70 [ 356.066596] ? process_one_work+0x1b90/0x1b90 [ 356.071102] ? graph_lock+0x170/0x170 [ 356.074909] ? graph_lock+0x170/0x170 [ 356.078713] ? find_held_lock+0x36/0x1c0 [ 356.082796] ? find_held_lock+0x36/0x1c0 [ 356.086880] ? __kthread_parkme+0xce/0x1a0 [ 356.091119] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.096222] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.101331] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.105915] ? trace_hardirqs_on+0xbd/0x310 [ 356.110236] ? kasan_check_read+0x11/0x20 [ 356.114385] ? __kthread_parkme+0xce/0x1a0 [ 356.118624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.124083] ? kasan_check_write+0x14/0x20 [ 356.128321] ? do_raw_spin_lock+0xc1/0x200 [ 356.132564] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.137669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.143228] ? __kthread_parkme+0xfb/0x1a0 [ 356.147488] kthread+0x35a/0x420 [ 356.150855] ? process_one_work+0x1b90/0x1b90 [ 356.155350] ? kthread_bind+0x40/0x40 [ 356.159159] ret_from_fork+0x3a/0x50 [ 356.162894] warn_alloc_show_mem: 1 callbacks suppressed [ 356.162906] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 356.162908] Mem-Info: [ 356.162939] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 356.162939] active_file:14 inactive_file:13 isolated_file:0 [ 356.162939] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.162939] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 356.162939] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 356.162939] free:13770 free_pcp:433 free_cma:0 [ 356.168281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.175765] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.178167] Call Trace: [ 356.211208] Node 0 [ 356.220554] [ 356.248148] 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 [ 356.250711] dump_stack+0x1c4/0x2b4 [ 356.252909] lowmem_reserve[]: 0 [ 356.255064] ? dump_stack_print_info.cold.2+0x52/0x52 [ 356.280537] 2819 6323 [ 356.284177] warn_alloc.cold.119+0xb7/0x1bd [ 356.287419] 6323 [ 356.292616] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.295114] Node 0 [ 356.299441] ? lock_downgrade+0x900/0x900 [ 356.301517] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 356.306339] ? trace_hardirqs_off+0xb8/0x310 [ 356.308550] lowmem_reserve[]: [ 356.312696] ? trace_hardirqs_off+0xb8/0x310 [ 356.339652] 0 [ 356.344068] __alloc_pages_slowpath+0x2667/0x2d80 [ 356.347136] 0 3503 [ 356.351579] ? warn_alloc+0x120/0x120 [ 356.353322] 3503 [ 356.358179] ? warn_alloc+0x120/0x120 [ 356.360392] Node 0 [ 356.364186] ? print_usage_bug+0xc0/0xc0 [ 356.366751] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 356.370527] ? warn_alloc+0x120/0x120 [ 356.372739] lowmem_reserve[]: [ 356.376794] ? print_usage_bug+0xc0/0xc0 [ 356.405307] 0 0 [ 356.409120] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 356.412194] 0 0 [ 356.416258] ? ktime_get+0x2e1/0x440 [ 356.418210] Node 0 [ 356.423222] ? check_preemption_disabled+0x48/0x200 [ 356.425166] DMA: 1*4kB [ 356.428882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.431098] (U) [ 356.436107] ? should_fail+0x22d/0xd01 [ 356.438671] 0*8kB [ 356.444213] ? kasan_check_read+0x11/0x20 [ 356.446157] 0*16kB 1*32kB [ 356.450052] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.452182] (U) [ 356.456324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.459139] 2*64kB (U) [ 356.464432] ? __lock_acquire+0x7ec/0x4ec0 [ 356.466379] 1*128kB (U) [ 356.471494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.474050] 1*256kB (U) [ 356.478288] ? should_fail+0x22d/0xd01 [ 356.480930] 0*512kB 1*1024kB [ 356.486046] ? mark_held_locks+0x130/0x130 [ 356.488688] (U) [ 356.492574] ? mark_held_locks+0x130/0x130 [ 356.495655] 1*2048kB [ 356.499882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.501824] (M) 3*4096kB [ 356.506064] ? graph_lock+0x170/0x170 [ 356.508447] (M) [ 356.513988] ? mark_held_locks+0xc7/0x130 [ 356.516710] = 15908kB [ 356.516718] Node 0 [ 356.520516] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 356.522480] DMA32: [ 356.526620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.529005] 5*4kB [ 356.531237] ? check_preemption_disabled+0x48/0x200 [ 356.536222] (UMH) [ 356.538463] ? check_preemption_disabled+0x48/0x200 [ 356.543983] 2*8kB [ 356.546137] ? __lock_is_held+0xb5/0x140 [ 356.551123] (MH) [ 356.553273] __alloc_pages_nodemask+0xa80/0xde0 [ 356.558258] 3*16kB [ 356.560399] ? graph_lock+0x170/0x170 [ 356.564434] (MH) [ 356.566500] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 356.571144] 3*32kB [ 356.573376] ? graph_lock+0x170/0x170 [ 356.577145] (MH) 5*64kB [ 356.579222] ? find_held_lock+0x36/0x1c0 [ 356.584208] (MH) [ 356.586449] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.590226] 3*128kB (M) [ 356.592903] ? lock_downgrade+0x900/0x900 [ 356.596935] 5*256kB (UMH) [ 356.599007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.603642] 5*512kB (UMH) [ 356.606322] cache_grow_begin+0x91/0x8c0 [ 356.610443] 4*1024kB [ 356.613290] ? do_raw_spin_unlock+0xa7/0x2f0 [ 356.618827] (UMH) [ 356.621670] fallback_alloc+0x203/0x2e0 [ 356.625700] 2*2048kB (M) [ 356.628120] ____cache_alloc_node+0x1c7/0x1e0 [ 356.632501] 3*4096kB (M) [ 356.634657] kmem_cache_alloc_node+0xe3/0x730 [ 356.638604] = 25204kB [ 356.638612] Node 0 [ 356.641369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.645835] Normal: [ 356.648593] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.653063] 990*4kB [ 356.655482] __alloc_skb+0x119/0x770 [ 356.657697] (UMEH) [ 356.662813] ? calc_wheel_index+0x220/0x220 [ 356.665106] 505*8kB (MEH) [ 356.669690] ? skb_scrub_packet+0x490/0x490 [ 356.671991] 189*16kB [ 356.675708] ? vprintk_default+0x28/0x30 [ 356.677909] (MEH) 66*32kB [ 356.682234] ? vprintk_func+0x85/0x181 [ 356.685055] (UMH) 0*64kB [ 356.689375] ? printk+0xa7/0xcf [ 356.691765] 1*128kB [ 356.695821] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 356.698643] (H) [ 356.702522] ? try_to_wake_up+0x10a/0x12f0 [ 356.705253] 1*256kB (H) [ 356.708536] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.710827] 1*512kB (H) [ 356.715589] new_skb+0x26/0x1c0 [ 356.717533] 0*1024kB 0*2048kB [ 356.721773] aoecmd_cfg+0x279/0x7f0 [ 356.724419] 0*4096kB [ 356.729521] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 356.732164] = 14032kB [ 356.735442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.738621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.742243] ? check_preemption_disabled+0x48/0x200 [ 356.744636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.748946] ? check_preemption_disabled+0x48/0x200 [ 356.751337] 5170 total pagecache pages [ 356.756872] ? __lock_is_held+0xb5/0x140 [ 356.765686] 0 pages in swap cache [ 356.770713] discover_timer+0x50/0x60 [ 356.779262] Swap cache stats: add 0, delete 0, find 0/0 [ 356.779270] Free swap = 0kB [ 356.784281] call_timer_fn+0x272/0x920 [ 356.788146] Total swap = 0kB [ 356.792201] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.795630] 1965979 pages RAM [ 356.799440] ? process_timeout+0x40/0x40 [ 356.804786] 0 pages HighMem/MovableOnly [ 356.807802] ? find_held_lock+0x36/0x1c0 [ 356.811660] 342306 pages reserved [ 356.811669] 0 pages cma reserved [ 356.814686] ? __run_timers+0x7da/0xc70 [ 356.819572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.822604] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.822620] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.822635] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.826734] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.830645] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.834680] kworker/0:2 cpuset= [ 356.838140] ? trace_hardirqs_on+0xbd/0x310 [ 356.841490] / [ 356.845467] ? kasan_check_read+0x11/0x20 [ 356.845490] ? __run_timers+0x7da/0xc70 [ 356.851963] mems_allowed=0 [ 356.856465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.906371] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.911218] __run_timers+0x7e5/0xc70 [ 356.915039] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 356.920421] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.925459] ? graph_lock+0x170/0x170 [ 356.929267] ? enqueue_hrtimer+0x1a5/0x560 [ 356.933503] ? lock_release+0x970/0x970 [ 356.937486] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.942689] ? find_held_lock+0x36/0x1c0 [ 356.946756] ? graph_lock+0x170/0x170 [ 356.950563] ? pvclock_read_flags+0x160/0x160 [ 356.955066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.960608] ? check_preemption_disabled+0x48/0x200 [ 356.965642] ? __lock_is_held+0xb5/0x140 [ 356.969706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.975246] ? check_preemption_disabled+0x48/0x200 [ 356.980275] run_timer_softirq+0x52/0xb0 [ 356.984338] ? rcu_read_lock_sched_held+0x108/0x120 [ 356.989362] __do_softirq+0x30b/0xad8 [ 356.993175] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 356.998290] ? pvclock_read_flags+0x160/0x160 [ 357.002786] ? lapic_next_event+0x5a/0x90 [ 357.006937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.012488] ? check_preemption_disabled+0x48/0x200 [ 357.017510] ? check_preemption_disabled+0x48/0x200 [ 357.022538] ? kvm_clock_read+0x18/0x30 [ 357.026514] ? kvm_sched_clock_read+0x9/0x20 [ 357.030925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.036476] ? check_preemption_disabled+0x48/0x200 [ 357.041511] irq_exit+0x17f/0x1c0 [ 357.044968] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.049816] ? smp_reschedule_interrupt+0x109/0x650 [ 357.054840] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.060732] ? interrupt_entry+0xb5/0xf0 [ 357.064801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.069816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.074835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.079681] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.084699] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.089717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.095277] ? check_preemption_disabled+0x48/0x200 [ 357.100296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.105861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.110713] apic_timer_interrupt+0xf/0x20 [ 357.114946] [ 357.117192] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 357.122124] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 357.141023] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 357.148732] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 357.156006] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 357.163273] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 357.170544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 357.177816] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 357.185143] skb_clone+0x1bb/0x500 [ 357.188688] ? finish_task_switch+0x2f5/0x900 [ 357.193187] ? skb_split+0x11e0/0x11e0 [ 357.197082] ? preempt_notifier_register+0x200/0x200 [ 357.202186] ? __switch_to_asm+0x34/0x70 [ 357.206251] ? __switch_to_asm+0x34/0x70 [ 357.210314] ? __switch_to_asm+0x40/0x70 [ 357.214378] ? __switch_to_asm+0x34/0x70 [ 357.218438] ? __switch_to_asm+0x40/0x70 [ 357.222510] ? __switch_to_asm+0x34/0x70 [ 357.226581] ? __switch_to_asm+0x40/0x70 [ 357.230645] ? __switch_to_asm+0x34/0x70 [ 357.234712] ? __switch_to_asm+0x34/0x70 [ 357.238775] ? __switch_to_asm+0x40/0x70 [ 357.242840] ? __switch_to_asm+0x34/0x70 [ 357.246911] bpf_clone_redirect+0xb9/0x490 [ 357.251156] ? __schedule+0x874/0x1ed0 [ 357.255063] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 357.260086] ? __sched_text_start+0x8/0x8 [ 357.264254] ? find_held_lock+0x36/0x1c0 [ 357.268323] ? lock_acquire+0x1ed/0x520 [ 357.272298] ? bpf_test_run+0x3cb/0x780 [ 357.276276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.281816] ? check_preemption_disabled+0x48/0x200 [ 357.286842] ? kasan_check_read+0x11/0x20 [ 357.290999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.296279] ? rcu_bh_qs+0xc0/0xc0 [ 357.299824] ? preempt_schedule+0x4d/0x60 [ 357.303981] ? ___preempt_schedule+0x16/0x18 [ 357.308400] ? bpf_test_run+0x25d/0x780 [ 357.312391] ? netlink_diag_dump+0x2a0/0x2a0 [ 357.316804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.322368] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 357.327141] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.331987] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.337524] ? fput+0x130/0x1a0 [ 357.340811] ? __bpf_prog_get+0x9b/0x290 [ 357.344879] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.349723] ? bpf_prog_test_run+0x130/0x1a0 [ 357.354135] ? __x64_sys_bpf+0x3d8/0x520 [ 357.358201] ? bpf_prog_get+0x20/0x20 [ 357.362034] ? do_syscall_64+0x1b9/0x820 [ 357.366098] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.371478] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.376416] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.381434] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 357.386469] ? recalc_sigpending_tsk+0x180/0x180 [ 357.391234] ? kasan_check_write+0x14/0x20 [ 357.395484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.400339] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.405726] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 357.405804] aoe: skb alloc failure [ 357.412825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.412847] Workqueue: events_power_efficient neigh_periodic_work [ 357.412856] Call Trace: [ 357.412866] [ 357.416423] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.425747] dump_stack+0x1c4/0x2b4 [ 357.431952] syz-executor2 cpuset= [ 357.434536] ? dump_stack_print_info.cold.2+0x52/0x52 [ 357.436663] syz2 [ 357.447152] warn_alloc.cold.119+0xb7/0x1bd [ 357.450749] mems_allowed=0 [ 357.454194] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.473378] ? lock_downgrade+0x900/0x900 [ 357.477551] ? trace_hardirqs_off+0xb8/0x310 [ 357.481971] ? trace_hardirqs_off+0xb8/0x310 [ 357.486390] __alloc_pages_slowpath+0x2667/0x2d80 [ 357.491268] ? warn_alloc+0x120/0x120 [ 357.495076] ? warn_alloc+0x120/0x120 [ 357.499033] ? print_usage_bug+0xc0/0xc0 [ 357.503097] ? warn_alloc+0x120/0x120 [ 357.506898] ? print_usage_bug+0xc0/0xc0 [ 357.510965] ? __lock_acquire+0x7ec/0x4ec0 [ 357.515203] ? __lock_acquire+0x7ec/0x4ec0 [ 357.519445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.524999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.530539] ? should_fail+0x22d/0xd01 [ 357.534433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.539547] ? __lock_acquire+0x7ec/0x4ec0 [ 357.543787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.548890] ? __lock_acquire+0x7ec/0x4ec0 [ 357.553123] ? should_fail+0x22d/0xd01 [ 357.557024] ? mark_held_locks+0x130/0x130 [ 357.561265] ? mark_held_locks+0x130/0x130 [ 357.565511] ? graph_lock+0x170/0x170 [ 357.569313] ? print_usage_bug+0xc0/0xc0 [ 357.573377] ? graph_lock+0x170/0x170 [ 357.577178] ? print_usage_bug+0xc0/0xc0 [ 357.581242] ? wq_watchdog_touch+0x9c/0xfe [ 357.585499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.591046] ? check_preemption_disabled+0x48/0x200 [ 357.596063] ? check_preemption_disabled+0x48/0x200 [ 357.601092] ? __lock_is_held+0xb5/0x140 [ 357.605166] __alloc_pages_nodemask+0xa80/0xde0 [ 357.609839] ? graph_lock+0x170/0x170 [ 357.613664] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 357.618682] ? graph_lock+0x170/0x170 [ 357.622509] ? find_held_lock+0x36/0x1c0 [ 357.626587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.631530] ? lock_downgrade+0x900/0x900 [ 357.635697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.641263] cache_grow_begin+0x91/0x8c0 [ 357.645332] ? do_raw_spin_unlock+0xa7/0x2f0 [ 357.649754] fallback_alloc+0x203/0x2e0 [ 357.653738] ____cache_alloc_node+0x1c7/0x1e0 [ 357.658240] kmem_cache_alloc_node+0xe3/0x730 [ 357.662739] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.666985] __alloc_skb+0x119/0x770 [ 357.670703] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.675986] ? skb_scrub_packet+0x490/0x490 [ 357.680311] ? lock_downgrade+0x900/0x900 [ 357.684478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.690017] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.695484] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.700938] ? addrconf_rs_timer+0x690/0x690 [ 357.705473] ndisc_alloc_skb+0x144/0x340 [ 357.709550] ndisc_send_rs+0x331/0x6e0 [ 357.713443] addrconf_rs_timer+0x314/0x690 [ 357.717717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.721970] call_timer_fn+0x272/0x920 [ 357.725858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.730095] ? process_timeout+0x40/0x40 [ 357.734154] ? find_held_lock+0x36/0x1c0 [ 357.738224] ? mark_held_locks+0xc7/0x130 [ 357.742385] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.746886] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.751381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.755616] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 357.760202] ? trace_hardirqs_on+0xbd/0x310 [ 357.764527] ? kasan_check_read+0x11/0x20 [ 357.768678] ? __run_timers+0x7da/0xc70 [ 357.772659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.778114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.782356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.786595] __run_timers+0x7e5/0xc70 [ 357.790414] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 357.795776] ? lock_downgrade+0x900/0x900 [ 357.799936] ? print_usage_bug+0xc0/0xc0 [ 357.803999] ? trace_hardirqs_on+0x310/0x310 [ 357.808420] ? kvm_clock_read+0x18/0x30 [ 357.812402] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 357.817423] ? graph_lock+0x170/0x170 [ 357.821237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.826776] ? check_preemption_disabled+0x48/0x200 [ 357.831805] ? __lock_is_held+0xb5/0x140 [ 357.835871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.841409] ? check_preemption_disabled+0x48/0x200 [ 357.846436] run_timer_softirq+0x52/0xb0 [ 357.850546] ? rcu_read_lock_sched_held+0x108/0x120 [ 357.855573] __do_softirq+0x30b/0xad8 [ 357.859390] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 357.864498] ? irq_exit+0xbd/0x1c0 [ 357.868040] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 357.873059] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.878950] ? ret_from_intr+0xb/0x1e [ 357.882752] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.887770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.892618] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.897636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.903174] ? check_preemption_disabled+0x48/0x200 [ 357.908191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.913742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.918593] ? neigh_periodic_work+0x6bd/0xc60 [ 357.923179] do_softirq_own_stack+0x2a/0x40 [ 357.927499] [ 357.929745] do_softirq.part.13+0x126/0x160 [ 357.934070] __local_bh_enable_ip+0x21d/0x260 [ 357.938571] _raw_write_unlock_bh+0x30/0x40 [ 357.942901] neigh_periodic_work+0x6bd/0xc60 [ 357.947325] ? neigh_table_clear+0x390/0x390 [ 357.951743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.957283] ? check_preemption_disabled+0x48/0x200 [ 357.962302] ? check_preemption_disabled+0x48/0x200 [ 357.967330] ? __lock_is_held+0xb5/0x140 [ 357.971406] process_one_work+0xc90/0x1b90 [ 357.975647] ? mark_held_locks+0x130/0x130 [ 357.979894] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 357.984570] ? __switch_to_asm+0x40/0x70 [ 357.988631] ? __switch_to_asm+0x40/0x70 [ 357.992692] ? __switch_to_asm+0x34/0x70 [ 357.996757] ? __switch_to_asm+0x40/0x70 [ 358.000821] ? __switch_to_asm+0x34/0x70 [ 358.004887] ? __switch_to_asm+0x40/0x70 [ 358.008948] ? __switch_to_asm+0x34/0x70 [ 358.013028] ? __switch_to_asm+0x40/0x70 [ 358.017098] ? __schedule+0x874/0x1ed0 [ 358.020987] ? __switch_to_asm+0x34/0x70 [ 358.025051] ? __switch_to_asm+0x40/0x70 [ 358.029129] ? kasan_check_read+0x11/0x20 [ 358.033284] ? graph_lock+0x170/0x170 [ 358.037104] ? __sched_text_start+0x8/0x8 [ 358.041261] ? lockdep_hardirqs_on+0x421/0x5c0 [ 358.045843] ? retint_kernel+0x2d/0x2d [ 358.049735] ? find_held_lock+0x36/0x1c0 [ 358.053804] ? lock_acquire+0x1ed/0x520 [ 358.057777] ? worker_thread+0x3e0/0x1390 [ 358.061944] ? lock_release+0x970/0x970 [ 358.065919] ? trace_hardirqs_off+0xb8/0x310 [ 358.070344] ? kasan_check_read+0x11/0x20 [ 358.074497] ? worker_thread+0x3e0/0x1390 [ 358.078649] ? trace_hardirqs_on+0x310/0x310 [ 358.083062] ? kasan_check_write+0x14/0x20 [ 358.087301] ? do_raw_spin_lock+0xc1/0x200 [ 358.091545] worker_thread+0x17f/0x1390 [ 358.095521] ? __switch_to_asm+0x34/0x70 [ 358.099597] ? process_one_work+0x1b90/0x1b90 [ 358.104103] ? graph_lock+0x170/0x170 [ 358.107904] ? graph_lock+0x170/0x170 [ 358.111707] ? find_held_lock+0x36/0x1c0 [ 358.115781] ? find_held_lock+0x36/0x1c0 [ 358.119859] ? __kthread_parkme+0xce/0x1a0 [ 358.124100] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.129206] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.134331] ? lockdep_hardirqs_on+0x421/0x5c0 [ 358.139098] ? trace_hardirqs_on+0xbd/0x310 [ 358.143421] ? kasan_check_read+0x11/0x20 [ 358.147577] ? __kthread_parkme+0xce/0x1a0 [ 358.151817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.157276] ? kasan_check_write+0x14/0x20 [ 358.161513] ? do_raw_spin_lock+0xc1/0x200 [ 358.165756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.170872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.176413] ? __kthread_parkme+0xfb/0x1a0 [ 358.180660] kthread+0x35a/0x420 [ 358.184026] ? process_one_work+0x1b90/0x1b90 [ 358.188523] ? kthread_bind+0x40/0x40 [ 358.192335] ret_from_fork+0x3a/0x50 [ 358.196069] warn_alloc_show_mem: 1 callbacks suppressed [ 358.196080] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 358.196082] Mem-Info: [ 358.196115] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 358.196115] active_file:14 inactive_file:13 isolated_file:0 [ 358.196115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.196115] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 358.196115] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 358.196115] free:13770 free_pcp:433 free_cma:0 [ 358.201451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.201469] Call Trace: [ 358.208846] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.211247] [ 358.244287] Node 0 [ 358.253642] dump_stack+0x1c4/0x2b4 [ 358.256228] 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 [ 358.283794] ? dump_stack_print_info.cold.2+0x52/0x52 [ 358.285909] lowmem_reserve[]: 0 [ 358.288162] warn_alloc.cold.119+0xb7/0x1bd [ 358.291756] 2819 [ 358.317255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.322414] 6323 6323 [ 358.325699] ? lock_downgrade+0x900/0x900 [ 358.332060] ? trace_hardirqs_off+0xb8/0x310 [ 358.336874] Node 0 [ 358.339368] ? trace_hardirqs_off+0xb8/0x310 [ 358.343515] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 358.347902] __alloc_pages_slowpath+0x2667/0x2d80 [ 358.350099] lowmem_reserve[]: 0 [ 358.354545] ? warn_alloc+0x120/0x120 [ 358.381925] 0 [ 358.386777] ? __lock_acquire+0x7ec/0x4ec0 [ 358.390021] 3503 3503 [ 358.393824] ? warn_alloc+0x120/0x120 [ 358.395607] Node 0 [ 358.399836] ? print_usage_bug+0xc0/0xc0 [ 358.402336] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 358.406106] ? warn_alloc+0x120/0x120 [ 358.408324] lowmem_reserve[]: 0 [ 358.412392] ? print_usage_bug+0xc0/0xc0 [ 358.440904] 0 0 [ 358.444709] ? mark_held_locks+0x130/0x130 [ 358.447961] 0 [ 358.452031] ? mark_held_locks+0x130/0x130 [ 358.453978] Node 0 DMA: [ 358.458218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.459995] 1*4kB [ 358.464224] ? should_fail+0x22d/0xd01 [ 358.466871] (U) [ 358.472399] ? graph_lock+0x170/0x170 [ 358.474525] 0*8kB 0*16kB [ 358.478415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.480365] 1*32kB (U) [ 358.484187] ? __lock_acquire+0x7ec/0x4ec0 [ 358.486916] 2*64kB (U) [ 358.492021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.494585] 1*128kB [ 358.498814] ? should_fail+0x22d/0xd01 [ 358.501372] (U) 1*256kB [ 358.506491] ? mark_held_locks+0x130/0x130 [ 358.508790] (U) [ 358.512671] ? mark_held_locks+0x130/0x130 [ 358.515312] 0*512kB 1*1024kB [ 358.519548] ? lock_downgrade+0x900/0x900 [ 358.521502] (U) [ 358.525728] ? graph_lock+0x170/0x170 [ 358.528804] 1*2048kB (M) [ 358.532953] ? graph_lock+0x170/0x170 [ 358.534904] 3*4096kB (M) [ 358.538707] ? graph_lock+0x170/0x170 [ 358.541438] = 15908kB [ 358.541446] Node 0 [ 358.545276] ? print_usage_bug+0xc0/0xc0 [ 358.548004] DMA32: 5*4kB [ 358.551809] ? do_raw_spin_unlock+0xa7/0x2f0 [ 358.554195] (UMH) [ 358.556432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.560472] 2*8kB [ 358.563227] ? check_preemption_disabled+0x48/0x200 [ 358.567611] (MH) [ 358.569760] ? check_preemption_disabled+0x48/0x200 [ 358.575265] 3*16kB (MH) [ 358.577425] ? __lock_is_held+0xb5/0x140 [ 358.582410] 3*32kB (MH) [ 358.584493] __alloc_pages_nodemask+0xa80/0xde0 [ 358.589491] 5*64kB [ 358.592154] ? graph_lock+0x170/0x170 [ 358.596194] (MH) [ 358.598860] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 358.603504] 3*128kB (M) [ 358.605753] ? graph_lock+0x170/0x170 [ 358.609534] 5*256kB [ 358.611599] ? find_held_lock+0x36/0x1c0 [ 358.616583] (UMH) [ 358.619256] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.623020] 5*512kB (UMH) [ 358.625346] ? lock_downgrade+0x900/0x900 [ 358.629377] 4*1024kB (UMH) [ 358.631539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.636174] 2*2048kB (M) [ 358.639022] cache_grow_begin+0x91/0x8c0 [ 358.643139] 3*4096kB (M) [ 358.646078] ? do_raw_spin_unlock+0xa7/0x2f0 [ 358.651584] = 25204kB [ 358.651592] Node 0 [ 358.654352] fallback_alloc+0x203/0x2e0 [ 358.658388] Normal: [ 358.661146] ____cache_alloc_node+0x1c7/0x1e0 [ 358.665532] 990*4kB [ 358.667942] kmem_cache_alloc_node+0xe3/0x730 [ 358.670151] (UMEH) [ 358.674126] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.676419] 505*8kB (MEH) [ 358.680914] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.683207] 189*16kB (MEH) [ 358.687710] __alloc_skb+0x119/0x770 [ 358.689913] 66*32kB (UMH) [ 358.695021] ? calc_wheel_index+0x220/0x220 [ 358.697837] 0*64kB 1*128kB [ 358.702424] ? skb_scrub_packet+0x490/0x490 [ 358.705325] (H) 1*256kB [ 358.709049] ? vprintk_default+0x28/0x30 [ 358.711863] (H) [ 358.716177] ? vprintk_func+0x85/0x181 [ 358.719082] 1*512kB (H) [ 358.723401] ? printk+0xa7/0xcf [ 358.726044] 0*1024kB 0*2048kB [ 358.730105] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 358.732058] 0*4096kB = 14032kB [ 358.735950] ? try_to_wake_up+0x10a/0x12f0 [ 358.738604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.741873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.745044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.749791] new_skb+0x26/0x1c0 [ 358.752956] 5170 total pagecache pages [ 358.757189] aoecmd_cfg+0x279/0x7f0 [ 358.766008] 0 pages in swap cache [ 358.771105] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 358.779655] Swap cache stats: add 0, delete 0, find 0/0 [ 358.782933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.786791] Free swap = 0kB [ 358.786800] Total swap = 0kB [ 358.790424] ? check_preemption_disabled+0x48/0x200 [ 358.793850] 1965979 pages RAM [ 358.798166] ? check_preemption_disabled+0x48/0x200 [ 358.803502] 0 pages HighMem/MovableOnly [ 358.803510] 342306 pages reserved [ 358.809050] ? __lock_is_held+0xb5/0x140 [ 358.812039] 0 pages cma reserved [ 358.815061] discover_timer+0x50/0x60 [ 358.820116] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.823152] call_timer_fn+0x272/0x920 [ 358.823165] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.823182] ? process_timeout+0x40/0x40 [ 358.828236] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.832144] ? find_held_lock+0x36/0x1c0 [ 358.835579] kworker/0:2 cpuset= [ 358.839644] ? __run_timers+0x7da/0xc70 [ 358.842986] / [ 358.846788] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.853257] mems_allowed=0 [ 358.857135] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.901165] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.906011] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.910597] ? trace_hardirqs_on+0xbd/0x310 [ 358.914923] ? kasan_check_read+0x11/0x20 [ 358.919075] ? __run_timers+0x7da/0xc70 [ 358.923053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.928518] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.933361] __run_timers+0x7e5/0xc70 [ 358.937179] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.942547] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.947570] ? graph_lock+0x170/0x170 [ 358.951380] ? enqueue_hrtimer+0x1a5/0x560 [ 358.955621] ? lock_release+0x970/0x970 [ 358.959600] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.964799] ? find_held_lock+0x36/0x1c0 [ 358.968868] ? graph_lock+0x170/0x170 [ 358.972674] ? pvclock_read_flags+0x160/0x160 [ 358.977172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.982718] ? check_preemption_disabled+0x48/0x200 [ 358.987747] ? __lock_is_held+0xb5/0x140 [ 358.991814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.997357] ? check_preemption_disabled+0x48/0x200 [ 359.002387] run_timer_softirq+0x52/0xb0 [ 359.006462] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.011488] __do_softirq+0x30b/0xad8 [ 359.015301] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.020410] ? pvclock_read_flags+0x160/0x160 [ 359.024906] ? lapic_next_event+0x5a/0x90 [ 359.029072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.034610] ? check_preemption_disabled+0x48/0x200 [ 359.039644] ? check_preemption_disabled+0x48/0x200 [ 359.044670] ? kvm_clock_read+0x18/0x30 [ 359.048644] ? kvm_sched_clock_read+0x9/0x20 [ 359.053057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.058596] ? check_preemption_disabled+0x48/0x200 [ 359.063628] irq_exit+0x17f/0x1c0 [ 359.067084] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.071930] ? smp_reschedule_interrupt+0x109/0x650 [ 359.076952] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.082845] ? interrupt_entry+0xb5/0xf0 [ 359.086909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.091925] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.096944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.101797] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.106811] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.111830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.117368] ? check_preemption_disabled+0x48/0x200 [ 359.122384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.127930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.132783] apic_timer_interrupt+0xf/0x20 [ 359.137017] [ 359.139258] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 359.144188] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 359.163097] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 359.170810] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 359.178076] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 359.185345] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 359.192614] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 359.199883] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 359.207202] skb_clone+0x1bb/0x500 [ 359.210748] ? finish_task_switch+0x2f5/0x900 [ 359.215244] ? skb_split+0x11e0/0x11e0 [ 359.219138] ? preempt_notifier_register+0x200/0x200 [ 359.224242] ? __switch_to_asm+0x34/0x70 [ 359.228305] ? __switch_to_asm+0x34/0x70 [ 359.232366] ? __switch_to_asm+0x40/0x70 [ 359.236431] ? __switch_to_asm+0x34/0x70 [ 359.240506] ? __switch_to_asm+0x40/0x70 [ 359.244571] ? __switch_to_asm+0x34/0x70 [ 359.248631] ? __switch_to_asm+0x40/0x70 [ 359.252692] ? __switch_to_asm+0x34/0x70 [ 359.256757] ? __switch_to_asm+0x34/0x70 [ 359.260818] ? __switch_to_asm+0x40/0x70 [ 359.264880] ? __switch_to_asm+0x34/0x70 [ 359.268954] bpf_clone_redirect+0xb9/0x490 [ 359.273200] ? __schedule+0x874/0x1ed0 [ 359.277101] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 359.282121] ? __sched_text_start+0x8/0x8 [ 359.286285] ? find_held_lock+0x36/0x1c0 [ 359.290356] ? lock_acquire+0x1ed/0x520 [ 359.294333] ? bpf_test_run+0x3cb/0x780 [ 359.298309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.303852] ? check_preemption_disabled+0x48/0x200 [ 359.308897] ? kasan_check_read+0x11/0x20 [ 359.313051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.318333] ? rcu_bh_qs+0xc0/0xc0 [ 359.321876] ? preempt_schedule+0x4d/0x60 [ 359.326027] ? ___preempt_schedule+0x16/0x18 [ 359.330451] ? bpf_test_run+0x25d/0x780 [ 359.334448] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.338876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.344426] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 359.349201] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.354043] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.359580] ? fput+0x130/0x1a0 [ 359.362864] ? __bpf_prog_get+0x9b/0x290 [ 359.366933] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.371773] ? bpf_prog_test_run+0x130/0x1a0 [ 359.376187] ? __x64_sys_bpf+0x3d8/0x520 [ 359.380248] ? bpf_prog_get+0x20/0x20 [ 359.384071] ? do_syscall_64+0x1b9/0x820 [ 359.388137] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.393512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.398445] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.403480] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.408497] ? recalc_sigpending_tsk+0x180/0x180 [ 359.413265] ? kasan_check_write+0x14/0x20 [ 359.417508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.422362] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.427750] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 359.427828] aoe: skb alloc failure [ 359.434854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.434876] Workqueue: events_power_efficient neigh_periodic_work [ 359.434884] Call Trace: [ 359.434904] [ 359.438479] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.447793] dump_stack+0x1c4/0x2b4 [ 359.454003] syz-executor2 cpuset= [ 359.456581] ? dump_stack_print_info.cold.2+0x52/0x52 [ 359.458708] syz2 [ 359.469195] warn_alloc.cold.119+0xb7/0x1bd [ 359.472803] mems_allowed=0 [ 359.476250] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.495496] ? lock_downgrade+0x900/0x900 [ 359.499845] ? trace_hardirqs_off+0xb8/0x310 [ 359.504263] ? trace_hardirqs_off+0xb8/0x310 [ 359.508685] __alloc_pages_slowpath+0x2667/0x2d80 [ 359.513563] ? warn_alloc+0x120/0x120 [ 359.517372] ? warn_alloc+0x120/0x120 [ 359.521179] ? print_usage_bug+0xc0/0xc0 [ 359.525244] ? warn_alloc+0x120/0x120 [ 359.529045] ? print_usage_bug+0xc0/0xc0 [ 359.533205] ? __lock_acquire+0x7ec/0x4ec0 [ 359.537439] ? __lock_acquire+0x7ec/0x4ec0 [ 359.541701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.547246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.552785] ? should_fail+0x22d/0xd01 [ 359.556681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.561785] ? __lock_acquire+0x7ec/0x4ec0 [ 359.566026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.571127] ? __lock_acquire+0x7ec/0x4ec0 [ 359.575361] ? should_fail+0x22d/0xd01 [ 359.579277] ? mark_held_locks+0x130/0x130 [ 359.583528] ? mark_held_locks+0x130/0x130 [ 359.587770] ? graph_lock+0x170/0x170 [ 359.591574] ? print_usage_bug+0xc0/0xc0 [ 359.595636] ? graph_lock+0x170/0x170 [ 359.599440] ? print_usage_bug+0xc0/0xc0 [ 359.603512] ? wq_watchdog_touch+0x9c/0xfe [ 359.607766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.613308] ? check_preemption_disabled+0x48/0x200 [ 359.618328] ? check_preemption_disabled+0x48/0x200 [ 359.623356] ? __lock_is_held+0xb5/0x140 [ 359.627429] __alloc_pages_nodemask+0xa80/0xde0 [ 359.632107] ? graph_lock+0x170/0x170 [ 359.635919] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 359.640932] ? graph_lock+0x170/0x170 [ 359.644744] ? find_held_lock+0x36/0x1c0 [ 359.648822] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.653497] ? lock_downgrade+0x900/0x900 [ 359.657655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.663199] cache_grow_begin+0x91/0x8c0 [ 359.667267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.671683] fallback_alloc+0x203/0x2e0 [ 359.675681] ____cache_alloc_node+0x1c7/0x1e0 [ 359.680189] kmem_cache_alloc_node+0xe3/0x730 [ 359.684686] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.688940] __alloc_skb+0x119/0x770 [ 359.692661] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.697947] ? skb_scrub_packet+0x490/0x490 [ 359.702271] ? lock_downgrade+0x900/0x900 [ 359.706431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.711976] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.717449] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.722962] ? addrconf_rs_timer+0x690/0x690 [ 359.727384] ndisc_alloc_skb+0x144/0x340 [ 359.731462] ndisc_send_rs+0x331/0x6e0 [ 359.735366] addrconf_rs_timer+0x314/0x690 [ 359.739628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.743880] call_timer_fn+0x272/0x920 [ 359.747768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.752007] ? process_timeout+0x40/0x40 [ 359.756066] ? find_held_lock+0x36/0x1c0 [ 359.760136] ? mark_held_locks+0xc7/0x130 [ 359.764289] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.768785] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.773281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.777522] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.782106] ? trace_hardirqs_on+0xbd/0x310 [ 359.786432] ? kasan_check_read+0x11/0x20 [ 359.790594] ? __run_timers+0x7da/0xc70 [ 359.794588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.800048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.804303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.808541] __run_timers+0x7e5/0xc70 [ 359.812364] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.817728] ? lock_downgrade+0x900/0x900 [ 359.821888] ? print_usage_bug+0xc0/0xc0 [ 359.825959] ? trace_hardirqs_on+0x310/0x310 [ 359.830382] ? kvm_clock_read+0x18/0x30 [ 359.834358] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 359.839383] ? graph_lock+0x170/0x170 [ 359.843191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.848735] ? check_preemption_disabled+0x48/0x200 [ 359.853764] ? __lock_is_held+0xb5/0x140 [ 359.857827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.863386] ? check_preemption_disabled+0x48/0x200 [ 359.868414] run_timer_softirq+0x52/0xb0 [ 359.872487] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.877515] __do_softirq+0x30b/0xad8 [ 359.881330] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.886437] ? irq_exit+0xbd/0x1c0 [ 359.889995] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 359.895015] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.900904] ? ret_from_intr+0xb/0x1e [ 359.904708] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.909727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.914572] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.919591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.925130] ? check_preemption_disabled+0x48/0x200 [ 359.930146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.935693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.940545] ? neigh_periodic_work+0x6bd/0xc60 [ 359.945135] do_softirq_own_stack+0x2a/0x40 [ 359.949460] [ 359.951707] do_softirq.part.13+0x126/0x160 [ 359.956035] __local_bh_enable_ip+0x21d/0x260 [ 359.960540] _raw_write_unlock_bh+0x30/0x40 [ 359.964875] neigh_periodic_work+0x6bd/0xc60 [ 359.969312] ? neigh_table_clear+0x390/0x390 [ 359.973722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.979273] ? check_preemption_disabled+0x48/0x200 [ 359.984288] ? check_preemption_disabled+0x48/0x200 [ 359.989334] ? __lock_is_held+0xb5/0x140 [ 359.993413] process_one_work+0xc90/0x1b90 [ 359.997653] ? mark_held_locks+0x130/0x130 [ 360.001919] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 360.006593] ? __switch_to_asm+0x40/0x70 [ 360.010658] ? __switch_to_asm+0x40/0x70 [ 360.014723] ? __switch_to_asm+0x34/0x70 [ 360.018783] ? __switch_to_asm+0x40/0x70 [ 360.022847] ? __switch_to_asm+0x34/0x70 [ 360.026912] ? __switch_to_asm+0x40/0x70 [ 360.030973] ? __switch_to_asm+0x34/0x70 [ 360.035033] ? __switch_to_asm+0x40/0x70 [ 360.039104] ? __schedule+0x874/0x1ed0 [ 360.042994] ? __switch_to_asm+0x34/0x70 [ 360.047054] ? __switch_to_asm+0x40/0x70 [ 360.051163] ? kasan_check_read+0x11/0x20 [ 360.055316] ? graph_lock+0x170/0x170 [ 360.059125] ? __sched_text_start+0x8/0x8 [ 360.063278] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.067862] ? retint_kernel+0x2d/0x2d [ 360.071763] ? find_held_lock+0x36/0x1c0 [ 360.075834] ? lock_acquire+0x1ed/0x520 [ 360.079810] ? worker_thread+0x3e0/0x1390 [ 360.083966] ? lock_release+0x970/0x970 [ 360.087944] ? trace_hardirqs_off+0xb8/0x310 [ 360.092353] ? kasan_check_read+0x11/0x20 [ 360.096505] ? worker_thread+0x3e0/0x1390 [ 360.100660] ? trace_hardirqs_on+0x310/0x310 [ 360.105075] ? kasan_check_write+0x14/0x20 [ 360.109341] ? do_raw_spin_lock+0xc1/0x200 [ 360.113603] worker_thread+0x17f/0x1390 [ 360.117579] ? __switch_to_asm+0x34/0x70 [ 360.121662] ? process_one_work+0x1b90/0x1b90 [ 360.126169] ? graph_lock+0x170/0x170 [ 360.129971] ? graph_lock+0x170/0x170 [ 360.133771] ? find_held_lock+0x36/0x1c0 [ 360.137851] ? find_held_lock+0x36/0x1c0 [ 360.141926] ? __kthread_parkme+0xce/0x1a0 [ 360.146187] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.151292] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.156395] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.160981] ? trace_hardirqs_on+0xbd/0x310 [ 360.165305] ? kasan_check_read+0x11/0x20 [ 360.169465] ? __kthread_parkme+0xce/0x1a0 [ 360.173715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.179169] ? kasan_check_write+0x14/0x20 [ 360.183410] ? do_raw_spin_lock+0xc1/0x200 [ 360.187665] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.192771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.198310] ? __kthread_parkme+0xfb/0x1a0 [ 360.202553] kthread+0x35a/0x420 [ 360.205923] ? process_one_work+0x1b90/0x1b90 [ 360.210420] ? kthread_bind+0x40/0x40 [ 360.214244] ret_from_fork+0x3a/0x50 [ 360.217990] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 360.217996] warn_alloc_show_mem: 1 callbacks suppressed [ 360.218003] Mem-Info: [ 360.225384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.230752] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 360.230752] active_file:14 inactive_file:13 isolated_file:0 [ 360.230752] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.230752] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 360.230752] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 360.230752] free:13770 free_pcp:433 free_cma:0 [ 360.233124] Call Trace: [ 360.242520] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.275539] [ 360.278109] Node 0 [ 360.305691] dump_stack+0x1c4/0x2b4 [ 360.307840] 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 [ 360.310047] ? dump_stack_print_info.cold.2+0x52/0x52 [ 360.313642] lowmem_reserve[]: 0 [ 360.339163] warn_alloc.cold.119+0xb7/0x1bd [ 360.344321] 2819 [ 360.347594] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.351888] 6323 [ 360.353947] ? lock_downgrade+0x900/0x900 [ 360.358763] 6323 [ 360.360828] ? trace_hardirqs_off+0xb8/0x310 [ 360.364951] Node 0 [ 360.367107] ? trace_hardirqs_off+0xb8/0x310 [ 360.371524] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 360.373737] __alloc_pages_slowpath+0x2667/0x2d80 [ 360.378113] lowmem_reserve[]: 0 [ 360.405125] ? warn_alloc+0x120/0x120 [ 360.409915] 0 [ 360.413188] ? __lock_acquire+0x7ec/0x4ec0 [ 360.416968] 3503 [ 360.418772] ? warn_alloc+0x120/0x120 [ 360.422977] 3503 [ 360.425043] ? print_usage_bug+0xc0/0xc0 [ 360.428835] Node 0 [ 360.430891] ? warn_alloc+0x120/0x120 [ 360.434954] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 360.437160] ? print_usage_bug+0xc0/0xc0 [ 360.440929] lowmem_reserve[]: 0 [ 360.469483] ? mark_held_locks+0x130/0x130 [ 360.473522] 0 0 [ 360.476803] ? mark_held_locks+0x130/0x130 [ 360.481005] 0 [ 360.482989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.487192] Node 0 [ 360.488993] ? should_fail+0x22d/0xd01 [ 360.494504] DMA: [ 360.496734] ? graph_lock+0x170/0x170 [ 360.500598] 1*4kB [ 360.502661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.506434] (U) [ 360.508589] ? __lock_acquire+0x7ec/0x4ec0 [ 360.513670] 0*8kB 0*16kB [ 360.515652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.519858] 1*32kB (U) [ 360.522620] ? should_fail+0x22d/0xd01 [ 360.527697] 2*64kB (U) [ 360.530296] ? mark_held_locks+0x130/0x130 [ 360.534155] 1*128kB [ 360.536734] ? mark_held_locks+0x130/0x130 [ 360.540959] (U) [ 360.543285] ? lock_downgrade+0x900/0x900 [ 360.547494] 1*256kB (U) [ 360.549477] ? graph_lock+0x170/0x170 [ 360.553602] 0*512kB 1*1024kB [ 360.556279] ? graph_lock+0x170/0x170 [ 360.560056] (U) [ 360.563160] ? graph_lock+0x170/0x170 [ 360.566955] 1*2048kB [ 360.568928] ? print_usage_bug+0xc0/0xc0 [ 360.572698] (M) 3*4096kB [ 360.575111] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.579146] (M) [ 360.581911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.586293] = 15908kB [ 360.588269] ? check_preemption_disabled+0x48/0x200 [ 360.593778] Node 0 [ 360.596187] ? check_preemption_disabled+0x48/0x200 [ 360.601169] DMA32: 5*4kB [ 360.603420] ? __lock_is_held+0xb5/0x140 [ 360.608404] (UMH) [ 360.611162] __alloc_pages_nodemask+0xa80/0xde0 [ 360.615193] 2*8kB [ 360.617337] ? graph_lock+0x170/0x170 [ 360.621986] (MH) [ 360.624132] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 360.627901] 3*16kB (MH) [ 360.629964] ? graph_lock+0x170/0x170 [ 360.634950] 3*32kB (MH) [ 360.637635] ? find_held_lock+0x36/0x1c0 [ 360.641417] 5*64kB (MH) [ 360.644101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.648125] 3*128kB (M) [ 360.650800] ? lock_downgrade+0x900/0x900 [ 360.655443] 5*256kB (UMH) [ 360.658131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.662269] 5*512kB [ 360.665111] cache_grow_begin+0x91/0x8c0 [ 360.670622] (UMH) [ 360.673028] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.677061] 4*1024kB (UMH) [ 360.679219] fallback_alloc+0x203/0x2e0 [ 360.683602] 2*2048kB [ 360.686529] ____cache_alloc_node+0x1c7/0x1e0 [ 360.690480] (M) [ 360.692889] kmem_cache_alloc_node+0xe3/0x730 [ 360.697352] 3*4096kB (M) [ 360.699334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.703804] = 25204kB [ 360.706557] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 360.711634] Node 0 [ 360.714043] __alloc_skb+0x119/0x770 [ 360.718593] Normal: 990*4kB [ 360.720840] ? calc_wheel_index+0x220/0x220 [ 360.724526] (UMEH) [ 360.727539] ? skb_scrub_packet+0x490/0x490 [ 360.731831] 505*8kB (MEH) [ 360.734077] ? vprintk_default+0x28/0x30 [ 360.738365] 189*16kB (MEH) [ 360.741210] ? vprintk_func+0x85/0x181 [ 360.745260] 66*32kB (UMH) [ 360.748212] ? printk+0xa7/0xcf [ 360.752072] 0*64kB 1*128kB [ 360.754917] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 360.758193] (H) [ 360.761118] ? try_to_wake_up+0x10a/0x12f0 [ 360.765849] 1*256kB [ 360.767826] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.772031] (H) [ 360.774353] new_skb+0x26/0x1c0 [ 360.779424] 1*512kB (H) [ 360.781411] aoecmd_cfg+0x279/0x7f0 [ 360.784667] 0*1024kB [ 360.787339] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 360.790937] 0*2048kB [ 360.793367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.797662] 0*4096kB [ 360.800069] ? check_preemption_disabled+0x48/0x200 [ 360.805577] = 14032kB [ 360.805591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.807992] ? check_preemption_disabled+0x48/0x200 [ 360.812987] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.812996] 5170 total pagecache pages [ 360.815406] ? __lock_is_held+0xb5/0x140 [ 360.824217] 0 pages in swap cache [ 360.829228] discover_timer+0x50/0x60 [ 360.837777] Swap cache stats: add 0, delete 0, find 0/0 [ 360.841678] call_timer_fn+0x272/0x920 [ 360.845704] Free swap = 0kB [ 360.845713] Total swap = 0kB [ 360.849161] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 360.852938] 1965979 pages RAM [ 360.858294] ? process_timeout+0x40/0x40 [ 360.862151] 0 pages HighMem/MovableOnly [ 360.862160] 342306 pages reserved [ 360.865191] ? find_held_lock+0x36/0x1c0 [ 360.868205] 0 pages cma reserved [ 360.873079] ? __run_timers+0x7da/0xc70 [ 360.876230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.880220] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.884400] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.887621] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.891657] kworker/0:2 cpuset= [ 360.895017] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 360.898964] / [ 360.905466] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 360.909949] mems_allowed=0 [ 360.920254] ? trace_hardirqs_on+0xbd/0x310 [ 360.946320] ? kasan_check_read+0x11/0x20 [ 360.950481] ? __run_timers+0x7da/0xc70 [ 360.954468] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.959934] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 360.964780] __run_timers+0x7e5/0xc70 [ 360.968603] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 360.973968] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.978999] ? graph_lock+0x170/0x170 [ 360.982811] ? enqueue_hrtimer+0x1a5/0x560 [ 360.987043] ? lock_release+0x970/0x970 [ 360.991026] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.996223] ? find_held_lock+0x36/0x1c0 [ 361.000290] ? graph_lock+0x170/0x170 [ 361.004095] ? pvclock_read_flags+0x160/0x160 [ 361.008593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.014135] ? check_preemption_disabled+0x48/0x200 [ 361.019170] ? __lock_is_held+0xb5/0x140 [ 361.023236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.028777] ? check_preemption_disabled+0x48/0x200 [ 361.033807] run_timer_softirq+0x52/0xb0 [ 361.037872] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.042909] __do_softirq+0x30b/0xad8 [ 361.046724] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.051833] ? pvclock_read_flags+0x160/0x160 [ 361.056332] ? lapic_next_event+0x5a/0x90 [ 361.060488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.066032] ? check_preemption_disabled+0x48/0x200 [ 361.071055] ? check_preemption_disabled+0x48/0x200 [ 361.076079] ? kvm_clock_read+0x18/0x30 [ 361.080056] ? kvm_sched_clock_read+0x9/0x20 [ 361.084473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.090014] ? check_preemption_disabled+0x48/0x200 [ 361.095047] irq_exit+0x17f/0x1c0 [ 361.098515] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.103359] ? smp_reschedule_interrupt+0x109/0x650 [ 361.108388] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.114276] ? interrupt_entry+0xb5/0xf0 [ 361.118340] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.123359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.128380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.133223] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.138242] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.143264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.148808] ? check_preemption_disabled+0x48/0x200 [ 361.153825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.159373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.164249] apic_timer_interrupt+0xf/0x20 [ 361.168483] [ 361.170724] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.175658] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 361.194561] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.202275] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.209552] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 361.216820] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 361.224087] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.231355] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 361.238676] skb_clone+0x1bb/0x500 [ 361.242222] ? finish_task_switch+0x2f5/0x900 [ 361.246724] ? skb_split+0x11e0/0x11e0 [ 361.250613] ? preempt_notifier_register+0x200/0x200 [ 361.255719] ? __switch_to_asm+0x34/0x70 [ 361.259788] ? __switch_to_asm+0x34/0x70 [ 361.263850] ? __switch_to_asm+0x40/0x70 [ 361.267911] ? __switch_to_asm+0x34/0x70 [ 361.271981] ? __switch_to_asm+0x40/0x70 [ 361.276055] ? __switch_to_asm+0x34/0x70 [ 361.280129] ? __switch_to_asm+0x40/0x70 [ 361.284191] ? __switch_to_asm+0x34/0x70 [ 361.288264] ? __switch_to_asm+0x34/0x70 [ 361.292325] ? __switch_to_asm+0x40/0x70 [ 361.296388] ? __switch_to_asm+0x34/0x70 [ 361.300469] bpf_clone_redirect+0xb9/0x490 [ 361.304705] ? __schedule+0x874/0x1ed0 [ 361.308603] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 361.313641] ? __sched_text_start+0x8/0x8 [ 361.317807] ? find_held_lock+0x36/0x1c0 [ 361.321881] ? lock_acquire+0x1ed/0x520 [ 361.325874] ? bpf_test_run+0x3cb/0x780 [ 361.329855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.335399] ? check_preemption_disabled+0x48/0x200 [ 361.340432] ? kasan_check_read+0x11/0x20 [ 361.344591] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.349871] ? rcu_bh_qs+0xc0/0xc0 [ 361.353413] ? preempt_schedule+0x4d/0x60 [ 361.357568] ? ___preempt_schedule+0x16/0x18 [ 361.361996] ? bpf_test_run+0x25d/0x780 [ 361.365995] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.370412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.375957] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 361.380731] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.385577] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.391112] ? fput+0x130/0x1a0 [ 361.394400] ? __bpf_prog_get+0x9b/0x290 [ 361.398475] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.403321] ? bpf_prog_test_run+0x130/0x1a0 [ 361.407740] ? __x64_sys_bpf+0x3d8/0x520 [ 361.411813] ? bpf_prog_get+0x20/0x20 [ 361.415636] ? do_syscall_64+0x1b9/0x820 [ 361.419710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.425077] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.430036] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.435057] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.440078] ? recalc_sigpending_tsk+0x180/0x180 [ 361.444852] ? kasan_check_write+0x14/0x20 [ 361.449095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.453954] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.459346] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 361.459444] aoe: skb alloc failure [ 361.466445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.466481] Workqueue: events_power_efficient neigh_periodic_work [ 361.466496] Call Trace: [ 361.470183] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.479371] [ 361.485588] syz-executor2 cpuset= [ 361.488169] dump_stack+0x1c4/0x2b4 [ 361.499122] syz2 [ 361.501276] ? dump_stack_print_info.cold.2+0x52/0x52 [ 361.504705] mems_allowed=0 [ 361.508331] warn_alloc.cold.119+0xb7/0x1bd [ 361.522697] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.527550] ? lock_downgrade+0x900/0x900 [ 361.531708] ? trace_hardirqs_off+0xb8/0x310 [ 361.536123] ? trace_hardirqs_off+0xb8/0x310 [ 361.540541] __alloc_pages_slowpath+0x2667/0x2d80 [ 361.545415] ? warn_alloc+0x120/0x120 [ 361.549226] ? warn_alloc+0x120/0x120 [ 361.553032] ? print_usage_bug+0xc0/0xc0 [ 361.557094] ? warn_alloc+0x120/0x120 [ 361.560897] ? print_usage_bug+0xc0/0xc0 [ 361.564958] ? find_held_lock+0x36/0x1c0 [ 361.569028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.574570] ? should_fail+0x22d/0xd01 [ 361.578470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.583584] ? __lock_acquire+0x7ec/0x4ec0 [ 361.587823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.592928] ? __lock_acquire+0x7ec/0x4ec0 [ 361.597162] ? should_fail+0x22d/0xd01 [ 361.601065] ? mark_held_locks+0x130/0x130 [ 361.605310] ? mark_held_locks+0x130/0x130 [ 361.609545] ? __account_cfs_rq_runtime+0x790/0x790 [ 361.614564] ? select_task_rq_fair+0x754/0x3500 [ 361.619237] ? lock_downgrade+0x900/0x900 [ 361.623403] ? check_preemption_disabled+0x48/0x200 [ 361.628431] ? graph_lock+0x170/0x170 [ 361.632244] ? print_usage_bug+0xc0/0xc0 [ 361.636309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.641846] ? check_preemption_disabled+0x48/0x200 [ 361.646865] ? check_preemption_disabled+0x48/0x200 [ 361.651891] ? __lock_is_held+0xb5/0x140 [ 361.655962] __alloc_pages_nodemask+0xa80/0xde0 [ 361.660632] ? graph_lock+0x170/0x170 [ 361.664437] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 361.669468] ? graph_lock+0x170/0x170 [ 361.673288] ? find_held_lock+0x36/0x1c0 [ 361.677360] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.682032] ? lock_downgrade+0x900/0x900 [ 361.686192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.691739] cache_grow_begin+0x91/0x8c0 [ 361.695808] ? do_raw_spin_unlock+0xa7/0x2f0 [ 361.700225] fallback_alloc+0x203/0x2e0 [ 361.704213] ____cache_alloc_node+0x1c7/0x1e0 [ 361.708727] kmem_cache_alloc_node+0xe3/0x730 [ 361.713225] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.717484] __alloc_skb+0x119/0x770 [ 361.721200] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.726502] ? skb_scrub_packet+0x490/0x490 [ 361.730824] ? lock_downgrade+0x900/0x900 [ 361.734982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.740522] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.745977] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.751427] ? addrconf_rs_timer+0x690/0x690 [ 361.755862] ndisc_alloc_skb+0x144/0x340 [ 361.759930] ndisc_send_rs+0x331/0x6e0 [ 361.763823] addrconf_rs_timer+0x314/0x690 [ 361.768065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.772319] call_timer_fn+0x272/0x920 [ 361.776207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.780447] ? process_timeout+0x40/0x40 [ 361.784520] ? find_held_lock+0x36/0x1c0 [ 361.788590] ? mark_held_locks+0xc7/0x130 [ 361.792745] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.797245] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.801741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.805976] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.810578] ? trace_hardirqs_on+0xbd/0x310 [ 361.814904] ? kasan_check_read+0x11/0x20 [ 361.819055] ? __run_timers+0x7da/0xc70 [ 361.823034] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.828512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.832752] __run_timers+0x7e5/0xc70 [ 361.836572] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.841952] ? lock_downgrade+0x900/0x900 [ 361.846112] ? print_usage_bug+0xc0/0xc0 [ 361.850171] ? trace_hardirqs_on+0x310/0x310 [ 361.854596] ? kvm_clock_read+0x18/0x30 [ 361.858571] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 361.863593] ? graph_lock+0x170/0x170 [ 361.867399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.872941] ? check_preemption_disabled+0x48/0x200 [ 361.877971] ? __lock_is_held+0xb5/0x140 [ 361.882037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.887578] ? check_preemption_disabled+0x48/0x200 [ 361.892608] run_timer_softirq+0x52/0xb0 [ 361.896672] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.901693] __do_softirq+0x30b/0xad8 [ 361.905515] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.910635] ? irq_exit+0xbd/0x1c0 [ 361.914174] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 361.919193] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.925083] ? ret_from_intr+0xb/0x1e [ 361.928888] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.933910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.938800] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.943832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.949403] ? check_preemption_disabled+0x48/0x200 [ 361.954417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.959966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.964820] ? neigh_periodic_work+0x6bd/0xc60 [ 361.969402] do_softirq_own_stack+0x2a/0x40 [ 361.973719] [ 361.976057] do_softirq.part.13+0x126/0x160 [ 361.980381] __local_bh_enable_ip+0x21d/0x260 [ 361.984886] _raw_write_unlock_bh+0x30/0x40 [ 361.989212] neigh_periodic_work+0x6bd/0xc60 [ 361.993638] ? neigh_table_clear+0x390/0x390 [ 361.998052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.003590] ? check_preemption_disabled+0x48/0x200 [ 362.008608] ? check_preemption_disabled+0x48/0x200 [ 362.013636] ? __lock_is_held+0xb5/0x140 [ 362.017715] process_one_work+0xc90/0x1b90 [ 362.021954] ? mark_held_locks+0x130/0x130 [ 362.026204] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 362.030877] ? __switch_to_asm+0x40/0x70 [ 362.034942] ? __switch_to_asm+0x40/0x70 [ 362.039004] ? __switch_to_asm+0x34/0x70 [ 362.043072] ? __switch_to_asm+0x40/0x70 [ 362.047134] ? __switch_to_asm+0x34/0x70 [ 362.051207] ? __switch_to_asm+0x40/0x70 [ 362.055272] ? __switch_to_asm+0x34/0x70 [ 362.059336] ? __switch_to_asm+0x40/0x70 [ 362.063405] ? __schedule+0x874/0x1ed0 [ 362.067296] ? __switch_to_asm+0x34/0x70 [ 362.071361] ? __switch_to_asm+0x40/0x70 [ 362.075460] ? kasan_check_read+0x11/0x20 [ 362.079623] ? graph_lock+0x170/0x170 [ 362.083428] ? __sched_text_start+0x8/0x8 [ 362.087591] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.092195] ? retint_kernel+0x2d/0x2d [ 362.096091] ? find_held_lock+0x36/0x1c0 [ 362.100160] ? lock_acquire+0x1ed/0x520 [ 362.104135] ? worker_thread+0x3e0/0x1390 [ 362.108290] ? lock_release+0x970/0x970 [ 362.112265] ? trace_hardirqs_off+0xb8/0x310 [ 362.116674] ? kasan_check_read+0x11/0x20 [ 362.120820] ? worker_thread+0x3e0/0x1390 [ 362.124970] ? trace_hardirqs_on+0x310/0x310 [ 362.129436] ? kasan_check_write+0x14/0x20 [ 362.133685] ? do_raw_spin_lock+0xc1/0x200 [ 362.137930] worker_thread+0x17f/0x1390 [ 362.141905] ? __switch_to_asm+0x34/0x70 [ 362.145978] ? process_one_work+0x1b90/0x1b90 [ 362.150498] ? graph_lock+0x170/0x170 [ 362.154299] ? graph_lock+0x170/0x170 [ 362.158114] ? find_held_lock+0x36/0x1c0 [ 362.162193] ? find_held_lock+0x36/0x1c0 [ 362.166263] ? __kthread_parkme+0xce/0x1a0 [ 362.170510] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.175617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.180721] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.185309] ? trace_hardirqs_on+0xbd/0x310 [ 362.189634] ? kasan_check_read+0x11/0x20 [ 362.193795] ? __kthread_parkme+0xce/0x1a0 [ 362.198032] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.203503] ? kasan_check_write+0x14/0x20 [ 362.207740] ? do_raw_spin_lock+0xc1/0x200 [ 362.212008] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.217131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.222668] ? __kthread_parkme+0xfb/0x1a0 [ 362.226910] kthread+0x35a/0x420 [ 362.230277] ? process_one_work+0x1b90/0x1b90 [ 362.234770] ? kthread_bind+0x40/0x40 [ 362.238582] ret_from_fork+0x3a/0x50 [ 362.242311] warn_alloc_show_mem: 1 callbacks suppressed [ 362.242322] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 362.242324] Mem-Info: [ 362.242356] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 362.242356] active_file:14 inactive_file:13 isolated_file:0 [ 362.242356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.242356] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 362.242356] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 362.242356] free:13770 free_pcp:433 free_cma:0 [ 362.247696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.255060] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.257467] Call Trace: [ 362.290520] Node 0 [ 362.299885] [ 362.327490] 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 [ 362.330069] dump_stack+0x1c4/0x2b4 [ 362.332290] lowmem_reserve[]: [ 362.334439] ? dump_stack_print_info.cold.2+0x52/0x52 [ 362.359922] 0 [ 362.363567] warn_alloc.cold.119+0xb7/0x1bd [ 362.367085] 2819 6323 [ 362.372282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.374056] 6323 [ 362.378383] ? lock_downgrade+0x900/0x900 [ 362.380862] Node 0 [ 362.385699] ? trace_hardirqs_off+0xb8/0x310 [ 362.387763] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 362.391886] ? trace_hardirqs_off+0xb8/0x310 [ 362.394098] lowmem_reserve[]: 0 [ 362.398532] __alloc_pages_slowpath+0x2667/0x2d80 [ 362.425480] 0 3503 [ 362.429919] ? warn_alloc+0x120/0x120 [ 362.433159] 3503 [ 362.438050] ? warn_alloc+0x120/0x120 [ 362.440262] Node 0 [ 362.444070] ? print_usage_bug+0xc0/0xc0 [ 362.446140] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 362.449907] ? warn_alloc+0x120/0x120 [ 362.452116] lowmem_reserve[]: 0 [ 362.456181] ? print_usage_bug+0xc0/0xc0 [ 362.484711] 0 [ 362.488507] ? should_fail+0x22d/0xd01 [ 362.491754] 0 0 [ 362.495818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.497599] Node 0 [ 362.501483] ? should_fail+0x22d/0xd01 [ 362.503433] DMA: 1*4kB [ 362.508985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.511197] (U) [ 362.515103] ? __lock_acquire+0x7ec/0x4ec0 [ 362.517669] 0*8kB [ 362.522766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.524739] 0*16kB [ 362.528967] ? __lock_acquire+0x7ec/0x4ec0 [ 362.531102] 1*32kB (U) [ 362.536232] ? should_fail+0x22d/0xd01 [ 362.538463] 2*64kB (U) [ 362.542707] ? check_preemption_disabled+0x48/0x200 [ 362.545272] 1*128kB (U) [ 362.549211] ? mark_held_locks+0x130/0x130 [ 362.551770] 1*256kB [ 362.556787] ? mark_held_locks+0x130/0x130 [ 362.559439] (U) [ 362.563692] ? try_to_wake_up+0x10a/0x12f0 [ 362.565984] 0*512kB 1*1024kB [ 362.570224] ? graph_lock+0x170/0x170 [ 362.572177] (U) [ 362.576404] ? print_usage_bug+0xc0/0xc0 [ 362.579487] 1*2048kB (M) [ 362.583293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.585239] 3*4096kB (M) [ 362.589303] ? check_preemption_disabled+0x48/0x200 [ 362.592033] = 15908kB [ 362.592042] Node 0 [ 362.597577] ? check_preemption_disabled+0x48/0x200 [ 362.600312] DMA32: [ 362.605332] ? __lock_is_held+0xb5/0x140 [ 362.607713] 5*4kB [ 362.609946] __alloc_pages_nodemask+0xa80/0xde0 [ 362.614934] (UMH) [ 362.617165] ? graph_lock+0x170/0x170 [ 362.621214] 2*8kB (MH) [ 362.623369] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 362.628007] 3*16kB (MH) [ 362.630160] ? graph_lock+0x170/0x170 [ 362.633937] 3*32kB [ 362.636523] ? find_held_lock+0x36/0x1c0 [ 362.641509] (MH) [ 362.644185] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.647949] 5*64kB (MH) [ 362.650191] ? lock_downgrade+0x900/0x900 [ 362.654223] 3*128kB (M) [ 362.656315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.660976] 5*256kB [ 362.663647] cache_grow_begin+0x91/0x8c0 [ 362.667768] (UMH) 5*512kB [ 362.670447] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.675963] (UMH) [ 362.678288] fallback_alloc+0x203/0x2e0 [ 362.682318] 4*1024kB (UMH) [ 362.685167] ____cache_alloc_node+0x1c7/0x1e0 [ 362.689546] 2*2048kB (M) [ 362.691701] kmem_cache_alloc_node+0xe3/0x730 [ 362.695649] 3*4096kB [ 362.698574] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.703035] (M) = 25204kB [ 362.705805] __alloc_skb+0x119/0x770 [ 362.710268] Node 0 [ 362.712675] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.716885] Normal: [ 362.719639] ? skb_scrub_packet+0x490/0x490 [ 362.723326] 990*4kB [ 362.725561] ? lock_downgrade+0x900/0x900 [ 362.730812] (UMEH) [ 362.733136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.737422] 505*8kB (MEH) [ 362.739763] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.743881] 189*16kB (MEH) [ 362.746135] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.751650] 66*32kB [ 362.754493] ? addrconf_rs_timer+0x690/0x690 [ 362.754520] ndisc_alloc_skb+0x144/0x340 [ 362.759938] (UMH) [ 362.762865] ndisc_send_rs+0x331/0x6e0 [ 362.768285] 0*64kB 1*128kB [ 362.770612] addrconf_rs_timer+0x314/0x690 [ 362.774991] (H) 1*256kB [ 362.779078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.781198] (H) [ 362.785090] call_timer_fn+0x272/0x920 [ 362.787981] 1*512kB (H) [ 362.792216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.794859] 0*1024kB 0*2048kB [ 362.799097] ? process_timeout+0x40/0x40 [ 362.801051] 0*4096kB [ 362.804932] ? find_held_lock+0x36/0x1c0 [ 362.807581] = 14032kB [ 362.811817] ? __run_timers+0x7da/0xc70 [ 362.814980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 362.819035] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.821427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 362.825484] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.827879] 5170 total pagecache pages [ 362.831845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.840662] 0 pages in swap cache [ 362.845142] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 362.853694] Swap cache stats: add 0, delete 0, find 0/0 [ 362.858178] ? trace_hardirqs_on+0xbd/0x310 [ 362.862039] Free swap = 0kB [ 362.866268] ? kasan_check_read+0x11/0x20 [ 362.869689] Total swap = 0kB [ 362.869697] 1965979 pages RAM [ 362.874272] ? __run_timers+0x7da/0xc70 [ 362.879603] 0 pages HighMem/MovableOnly [ 362.879612] 342306 pages reserved [ 362.883928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.886926] 0 pages cma reserved [ 362.891163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.894219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.897250] __run_timers+0x7e5/0xc70 [ 362.901291] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.905184] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 362.908606] kworker/0:2 cpuset= [ 362.914054] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.917396] / [ 362.921624] ? graph_lock+0x170/0x170 [ 362.928096] mems_allowed=0 [ 362.931886] ? enqueue_hrtimer+0x1a5/0x560 [ 362.968424] ? lock_release+0x970/0x970 [ 362.972414] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.977613] ? find_held_lock+0x36/0x1c0 [ 362.981679] ? graph_lock+0x170/0x170 [ 362.985489] ? pvclock_read_flags+0x160/0x160 [ 362.989990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.995532] ? check_preemption_disabled+0x48/0x200 [ 363.000564] ? __lock_is_held+0xb5/0x140 [ 363.004627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.010339] ? check_preemption_disabled+0x48/0x200 [ 363.015372] run_timer_softirq+0x52/0xb0 [ 363.019435] ? rcu_read_lock_sched_held+0x108/0x120 [ 363.024470] __do_softirq+0x30b/0xad8 [ 363.028286] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 363.033393] ? pvclock_read_flags+0x160/0x160 [ 363.037893] ? lapic_next_event+0x5a/0x90 [ 363.042042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.047582] ? check_preemption_disabled+0x48/0x200 [ 363.052602] ? check_preemption_disabled+0x48/0x200 [ 363.057626] ? kvm_clock_read+0x18/0x30 [ 363.061602] ? kvm_sched_clock_read+0x9/0x20 [ 363.066015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.071568] ? check_preemption_disabled+0x48/0x200 [ 363.076598] irq_exit+0x17f/0x1c0 [ 363.080056] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.084897] ? smp_reschedule_interrupt+0x109/0x650 [ 363.089931] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.095820] ? interrupt_entry+0xb5/0xf0 [ 363.099888] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.104915] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.109936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.114783] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.119805] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.124826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.130365] ? check_preemption_disabled+0x48/0x200 [ 363.135381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.140934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.145787] apic_timer_interrupt+0xf/0x20 [ 363.150018] [ 363.152280] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.157232] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 363.176129] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 363.183840] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.191116] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 363.198413] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 363.205678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.212951] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 363.220268] skb_clone+0x1bb/0x500 [ 363.223813] ? finish_task_switch+0x2f5/0x900 [ 363.228333] ? skb_split+0x11e0/0x11e0 [ 363.232222] ? preempt_notifier_register+0x200/0x200 [ 363.237324] ? __switch_to_asm+0x34/0x70 [ 363.241391] ? __switch_to_asm+0x34/0x70 [ 363.245460] ? __switch_to_asm+0x40/0x70 [ 363.249525] ? __switch_to_asm+0x34/0x70 [ 363.253591] ? __switch_to_asm+0x40/0x70 [ 363.257650] ? __switch_to_asm+0x34/0x70 [ 363.261724] ? __switch_to_asm+0x40/0x70 [ 363.265788] ? __switch_to_asm+0x34/0x70 [ 363.269854] ? __switch_to_asm+0x34/0x70 [ 363.273915] ? __switch_to_asm+0x40/0x70 [ 363.277995] ? __switch_to_asm+0x34/0x70 [ 363.282064] bpf_clone_redirect+0xb9/0x490 [ 363.286310] ? __schedule+0x874/0x1ed0 [ 363.290209] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 363.295228] ? __sched_text_start+0x8/0x8 [ 363.299396] ? find_held_lock+0x36/0x1c0 [ 363.303479] ? lock_acquire+0x1ed/0x520 [ 363.307491] ? bpf_test_run+0x3cb/0x780 [ 363.311479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.317039] ? check_preemption_disabled+0x48/0x200 [ 363.322064] ? kasan_check_read+0x11/0x20 [ 363.326222] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.331539] ? rcu_bh_qs+0xc0/0xc0 [ 363.335092] ? preempt_schedule+0x4d/0x60 [ 363.339239] ? ___preempt_schedule+0x16/0x18 [ 363.343656] ? bpf_test_run+0x25d/0x780 [ 363.347643] ? netlink_diag_dump+0x2a0/0x2a0 [ 363.352083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.357631] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 363.362401] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.367246] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.372808] ? fput+0x130/0x1a0 [ 363.376089] ? __bpf_prog_get+0x9b/0x290 [ 363.380159] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.385008] ? bpf_prog_test_run+0x130/0x1a0 [ 363.389420] ? __x64_sys_bpf+0x3d8/0x520 [ 363.393496] ? bpf_prog_get+0x20/0x20 [ 363.397339] ? do_syscall_64+0x1b9/0x820 [ 363.401404] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.406771] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.411706] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.416723] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 363.421742] ? recalc_sigpending_tsk+0x180/0x180 [ 363.426500] ? kasan_check_write+0x14/0x20 [ 363.430742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.435595] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.440982] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 363.441071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.448096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.448117] Workqueue: events_power_efficient neigh_periodic_work [ 363.454676] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.470146] syz-executor2 cpuset= [ 363.480609] Call Trace: [ 363.480619] syz2 [ 363.484057] [ 363.486628] mems_allowed=0 [ 363.488598] dump_stack+0x1c4/0x2b4 [ 363.497391] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.502600] warn_alloc.cold.119+0xb7/0x1bd [ 363.506929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.511776] ? lock_downgrade+0x900/0x900 [ 363.515932] ? trace_hardirqs_off+0xb8/0x310 [ 363.520350] ? trace_hardirqs_off+0xb8/0x310 [ 363.524770] __alloc_pages_slowpath+0x2667/0x2d80 [ 363.529650] ? warn_alloc+0x120/0x120 [ 363.533462] ? trace_hardirqs_on+0x310/0x310 [ 363.537880] ? warn_alloc+0x120/0x120 [ 363.541686] ? print_usage_bug+0xc0/0xc0 [ 363.545753] ? warn_alloc+0x120/0x120 [ 363.549568] ? ktime_get+0x2e1/0x440 [ 363.553281] ? print_usage_bug+0xc0/0xc0 [ 363.557346] ? __lock_acquire+0x7ec/0x4ec0 [ 363.561585] ? __lock_acquire+0x7ec/0x4ec0 [ 363.565822] ? kasan_check_read+0x11/0x20 [ 363.569971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.575515] ? should_fail+0x22d/0xd01 [ 363.579408] ? rcu_bh_qs+0xc0/0xc0 [ 363.582954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.588057] ? __lock_acquire+0x7ec/0x4ec0 [ 363.592296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.597400] ? __lock_acquire+0x7ec/0x4ec0 [ 363.601633] ? should_fail+0x22d/0xd01 [ 363.605522] ? rcu_idle_enter+0x4b0/0x4b0 [ 363.609679] ? mark_held_locks+0x130/0x130 [ 363.613919] ? mark_held_locks+0x130/0x130 [ 363.618164] ? mark_held_locks+0xc7/0x130 [ 363.622313] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 363.627327] ? graph_lock+0x170/0x170 [ 363.631153] ? print_usage_bug+0xc0/0xc0 [ 363.635219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.640761] ? check_preemption_disabled+0x48/0x200 [ 363.645779] ? check_preemption_disabled+0x48/0x200 [ 363.650809] ? __lock_is_held+0xb5/0x140 [ 363.654877] __alloc_pages_nodemask+0xa80/0xde0 [ 363.659547] ? graph_lock+0x170/0x170 [ 363.663353] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 363.668366] ? graph_lock+0x170/0x170 [ 363.672178] ? find_held_lock+0x36/0x1c0 [ 363.676253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.680924] ? lock_downgrade+0x900/0x900 [ 363.685080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.690622] cache_grow_begin+0x91/0x8c0 [ 363.694684] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.699150] fallback_alloc+0x203/0x2e0 [ 363.703130] ____cache_alloc_node+0x1c7/0x1e0 [ 363.707638] kmem_cache_alloc_node+0xe3/0x730 [ 363.712135] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.716401] __alloc_skb+0x119/0x770 [ 363.720157] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.725438] ? skb_scrub_packet+0x490/0x490 [ 363.729772] ? lock_downgrade+0x900/0x900 [ 363.733929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.739482] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.744940] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.750391] ? addrconf_rs_timer+0x690/0x690 [ 363.754816] ndisc_alloc_skb+0x144/0x340 [ 363.758884] ndisc_send_rs+0x331/0x6e0 [ 363.762781] addrconf_rs_timer+0x314/0x690 [ 363.767020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.771270] call_timer_fn+0x272/0x920 [ 363.775159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.779398] ? process_timeout+0x40/0x40 [ 363.783474] ? find_held_lock+0x36/0x1c0 [ 363.787555] ? mark_held_locks+0xc7/0x130 [ 363.791709] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.796206] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.800700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.804939] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 363.809525] ? trace_hardirqs_on+0xbd/0x310 [ 363.813846] ? kasan_check_read+0x11/0x20 [ 363.817996] ? __run_timers+0x7da/0xc70 [ 363.822004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.827472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.831720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.835954] __run_timers+0x7e5/0xc70 [ 363.839774] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 363.845136] ? lock_downgrade+0x900/0x900 [ 363.849310] ? print_usage_bug+0xc0/0xc0 [ 363.853370] ? trace_hardirqs_on+0x310/0x310 [ 363.857805] ? kvm_clock_read+0x18/0x30 [ 363.861781] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.866802] ? graph_lock+0x170/0x170 [ 363.870607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.876149] ? check_preemption_disabled+0x48/0x200 [ 363.881179] ? __lock_is_held+0xb5/0x140 [ 363.885255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.890797] ? check_preemption_disabled+0x48/0x200 [ 363.895822] run_timer_softirq+0x52/0xb0 [ 363.899886] ? rcu_read_lock_sched_held+0x108/0x120 [ 363.904903] __do_softirq+0x30b/0xad8 [ 363.908717] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 363.913822] ? irq_exit+0xbd/0x1c0 [ 363.917367] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 363.922384] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.928272] ? ret_from_intr+0xb/0x1e [ 363.932075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.937201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.942058] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.947080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.952619] ? check_preemption_disabled+0x48/0x200 [ 363.957634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.963210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.968073] ? neigh_periodic_work+0x6bd/0xc60 [ 363.972657] do_softirq_own_stack+0x2a/0x40 [ 363.976970] [ 363.979208] do_softirq.part.13+0x126/0x160 [ 363.983533] __local_bh_enable_ip+0x21d/0x260 [ 363.988035] _raw_write_unlock_bh+0x30/0x40 [ 363.992373] neigh_periodic_work+0x6bd/0xc60 [ 363.996840] ? neigh_table_clear+0x390/0x390 [ 364.001252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.006794] ? check_preemption_disabled+0x48/0x200 [ 364.011810] ? check_preemption_disabled+0x48/0x200 [ 364.016850] ? __lock_is_held+0xb5/0x140 [ 364.020930] process_one_work+0xc90/0x1b90 [ 364.025167] ? mark_held_locks+0x130/0x130 [ 364.029446] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 364.034159] ? __switch_to_asm+0x40/0x70 [ 364.038223] ? __switch_to_asm+0x40/0x70 [ 364.042286] ? __switch_to_asm+0x34/0x70 [ 364.046345] ? __switch_to_asm+0x40/0x70 [ 364.050405] ? __switch_to_asm+0x34/0x70 [ 364.054480] ? __switch_to_asm+0x40/0x70 [ 364.058544] ? __switch_to_asm+0x34/0x70 [ 364.062608] ? __switch_to_asm+0x40/0x70 [ 364.066676] ? __schedule+0x874/0x1ed0 [ 364.070568] ? __switch_to_asm+0x34/0x70 [ 364.074633] ? __switch_to_asm+0x40/0x70 [ 364.078710] ? kasan_check_read+0x11/0x20 [ 364.082864] ? graph_lock+0x170/0x170 [ 364.086671] ? __sched_text_start+0x8/0x8 [ 364.090828] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.095412] ? retint_kernel+0x2d/0x2d [ 364.099319] ? find_held_lock+0x36/0x1c0 [ 364.103397] ? lock_acquire+0x1ed/0x520 [ 364.107370] ? worker_thread+0x3e0/0x1390 [ 364.111527] ? lock_release+0x970/0x970 [ 364.115507] ? trace_hardirqs_off+0xb8/0x310 [ 364.119919] ? kasan_check_read+0x11/0x20 [ 364.124064] ? worker_thread+0x3e0/0x1390 [ 364.128214] ? trace_hardirqs_on+0x310/0x310 [ 364.132630] ? kasan_check_write+0x14/0x20 [ 364.136869] ? do_raw_spin_lock+0xc1/0x200 [ 364.141112] worker_thread+0x17f/0x1390 [ 364.145092] ? __switch_to_asm+0x34/0x70 [ 364.149173] ? process_one_work+0x1b90/0x1b90 [ 364.153677] ? graph_lock+0x170/0x170 [ 364.157493] ? graph_lock+0x170/0x170 [ 364.161300] ? find_held_lock+0x36/0x1c0 [ 364.165375] ? find_held_lock+0x36/0x1c0 [ 364.169449] ? __kthread_parkme+0xce/0x1a0 [ 364.173717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.178826] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.183958] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.188551] ? trace_hardirqs_on+0xbd/0x310 [ 364.192880] ? kasan_check_read+0x11/0x20 [ 364.197030] ? __kthread_parkme+0xce/0x1a0 [ 364.201271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.206726] ? kasan_check_write+0x14/0x20 [ 364.210981] ? do_raw_spin_lock+0xc1/0x200 [ 364.215227] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.220341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.225892] ? __kthread_parkme+0xfb/0x1a0 [ 364.230133] kthread+0x35a/0x420 [ 364.233508] ? process_one_work+0x1b90/0x1b90 [ 364.238000] ? kthread_bind+0x40/0x40 [ 364.241808] ret_from_fork+0x3a/0x50 [ 364.245548] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 364.245553] warn_alloc_show_mem: 1 callbacks suppressed [ 364.245560] Mem-Info: [ 364.252921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.258291] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 364.258291] active_file:14 inactive_file:13 isolated_file:0 [ 364.258291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 364.258291] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 364.258291] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 364.258291] free:13770 free_pcp:433 free_cma:0 [ 364.260676] Call Trace: [ 364.270067] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 364.303088] [ 364.305666] Node 0 [ 364.333250] dump_stack+0x1c4/0x2b4 [ 364.335396] 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 [ 364.337608] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.341227] lowmem_reserve[]: [ 364.367050] warn_alloc.cold.119+0xb7/0x1bd [ 364.372208] 0 [ 364.375317] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.379613] 2819 [ 364.381410] ? lock_downgrade+0x900/0x900 [ 364.386224] 6323 6323 [ 364.388299] ? trace_hardirqs_off+0xb8/0x310 [ 364.392419] Node 0 [ 364.394915] ? trace_hardirqs_off+0xb8/0x310 [ 364.399325] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 364.401537] __alloc_pages_slowpath+0x2667/0x2d80 [ 364.405944] lowmem_reserve[]: [ 364.432964] ? warn_alloc+0x120/0x120 [ 364.437759] 0 [ 364.440864] ? trace_hardirqs_on+0x310/0x310 [ 364.444643] 0 [ 364.446451] ? warn_alloc+0x120/0x120 [ 364.450857] 3503 [ 364.452654] ? print_usage_bug+0xc0/0xc0 [ 364.456428] 3503 [ 364.458498] ? warn_alloc+0x120/0x120 [ 364.464661] ? ktime_get+0x2e1/0x440 [ 364.468465] Node 0 [ 364.472167] ? print_usage_bug+0xc0/0xc0 [ 364.472227] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 364.472234] lowmem_reserve[]: [ 364.474475] ? __lock_acquire+0x7ec/0x4ec0 [ 364.478516] 0 [ 364.507065] ? __lock_acquire+0x7ec/0x4ec0 [ 364.510201] 0 [ 364.514488] ? kasan_check_read+0x11/0x20 [ 364.516264] 0 0 [ 364.520513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.526472] ? should_fail+0x22d/0xd01 [ 364.528442] Node 0 [ 364.533996] ? rcu_bh_qs+0xc0/0xc0 [ 364.537871] DMA: [ 364.540108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.543622] 1*4kB [ 364.545679] ? __lock_acquire+0x7ec/0x4ec0 [ 364.550764] (U) 0*8kB [ 364.552921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.557125] 0*16kB 1*32kB [ 364.559629] ? __lock_acquire+0x7ec/0x4ec0 [ 364.564710] (U) [ 364.567561] ? should_fail+0x22d/0xd01 [ 364.571771] 2*64kB [ 364.573749] ? rcu_idle_enter+0x4b0/0x4b0 [ 364.577614] (U) [ 364.579877] ? mark_held_locks+0x130/0x130 [ 364.583997] 1*128kB [ 364.585973] ? mark_held_locks+0x130/0x130 [ 364.590208] (U) [ 364.592527] ? mark_held_locks+0xc7/0x130 [ 364.596737] 1*256kB [ 364.598708] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.602832] (U) [ 364.605150] ? graph_lock+0x170/0x170 [ 364.610143] 0*512kB [ 364.612112] ? print_usage_bug+0xc0/0xc0 [ 364.615907] 1*1024kB [ 364.618244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.622278] (U) [ 364.624686] ? check_preemption_disabled+0x48/0x200 [ 364.630210] 1*2048kB [ 364.632223] ? check_preemption_disabled+0x48/0x200 [ 364.637212] (M) [ 364.639622] ? __lock_is_held+0xb5/0x140 [ 364.644622] 3*4096kB [ 364.646596] __alloc_pages_nodemask+0xa80/0xde0 [ 364.650642] (M) [ 364.653047] ? graph_lock+0x170/0x170 [ 364.657710] = 15908kB [ 364.659681] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 364.663464] Node 0 [ 364.665893] ? graph_lock+0x170/0x170 [ 364.670909] DMA32: [ 364.673176] ? find_held_lock+0x36/0x1c0 [ 364.676946] 5*4kB [ 364.679183] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.683213] (UMH) [ 364.685358] ? lock_downgrade+0x900/0x900 [ 364.690004] 2*8kB [ 364.692151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.696270] (MH) [ 364.698416] cache_grow_begin+0x91/0x8c0 [ 364.703944] 3*16kB [ 364.706006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.710046] (MH) [ 364.712285] fallback_alloc+0x203/0x2e0 [ 364.716667] 3*32kB [ 364.718732] ____cache_alloc_node+0x1c7/0x1e0 [ 364.722678] (MH) [ 364.724913] kmem_cache_alloc_node+0xe3/0x730 [ 364.729377] 5*64kB (MH) [ 364.731443] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.735920] 3*128kB [ 364.738600] __alloc_skb+0x119/0x770 [ 364.742805] (M) [ 364.745127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.748815] 5*256kB [ 364.750782] ? skb_scrub_packet+0x490/0x490 [ 364.756034] (UMH) [ 364.758356] ? lock_downgrade+0x900/0x900 [ 364.762649] 5*512kB (UMH) [ 364.764804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.768939] 4*1024kB [ 364.771818] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.777322] (UMH) 2*2048kB [ 364.779742] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.785169] (M) [ 364.788097] ? addrconf_rs_timer+0x690/0x690 [ 364.793530] 3*4096kB [ 364.795511] ndisc_alloc_skb+0x144/0x340 [ 364.799891] (M) [ 364.802296] ndisc_send_rs+0x331/0x6e0 [ 364.806336] = 25204kB [ 364.808306] addrconf_rs_timer+0x314/0x690 [ 364.812166] Node 0 [ 364.814574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.818806] Normal: [ 364.821049] call_timer_fn+0x272/0x920 [ 364.825251] 990*4kB [ 364.827569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.831431] (UMEH) [ 364.833755] ? process_timeout+0x40/0x40 [ 364.837966] 505*8kB [ 364.840200] ? find_held_lock+0x36/0x1c0 [ 364.844237] (MEH) [ 364.846560] ? __run_timers+0x7da/0xc70 [ 364.850594] 189*16kB [ 364.852739] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.856689] (MEH) [ 364.859094] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.863563] 66*32kB [ 364.865710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.870179] (UMH) [ 364.872501] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.876711] 0*64kB [ 364.878868] ? trace_hardirqs_on+0xbd/0x310 [ 364.883423] 1*128kB [ 364.885656] ? kasan_check_read+0x11/0x20 [ 364.889949] (H) [ 364.892273] ? __run_timers+0x7da/0xc70 [ 364.896393] 1*256kB (H) [ 364.898373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.902316] 1*512kB (H) [ 364.904996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.910414] 0*1024kB 0*2048kB [ 364.913091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.917301] 0*4096kB [ 364.920498] __run_timers+0x7e5/0xc70 [ 364.924704] = 14032kB [ 364.927120] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.930907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.933310] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.938652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.947485] ? graph_lock+0x170/0x170 [ 364.952491] 5170 total pagecache pages [ 364.961062] ? enqueue_hrtimer+0x1a5/0x560 [ 364.964847] 0 pages in swap cache [ 364.968719] ? lock_release+0x970/0x970 [ 364.972936] Swap cache stats: add 0, delete 0, find 0/0 [ 364.976380] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.980331] Free swap = 0kB [ 364.985692] ? find_held_lock+0x36/0x1c0 [ 364.990855] Total swap = 0kB [ 364.993909] ? graph_lock+0x170/0x170 [ 364.997966] 1965979 pages RAM [ 365.001000] ? pvclock_read_flags+0x160/0x160 [ 365.004777] 0 pages HighMem/MovableOnly [ 365.007875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.012343] 342306 pages reserved [ 365.016322] ? check_preemption_disabled+0x48/0x200 [ 365.021830] 0 pages cma reserved [ 365.025284] ? __lock_is_held+0xb5/0x140 [ 365.030338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.033624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.033639] ? check_preemption_disabled+0x48/0x200 [ 365.033663] run_timer_softirq+0x52/0xb0 [ 365.037784] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.044209] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.049722] kworker/0:2 cpuset= [ 365.054738] __do_softirq+0x30b/0xad8 [ 365.058783] / [ 365.069100] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.074086] mems_allowed=0 [ 365.077361] ? pvclock_read_flags+0x160/0x160 [ 365.095328] ? lapic_next_event+0x5a/0x90 [ 365.099483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.105026] ? check_preemption_disabled+0x48/0x200 [ 365.110046] ? check_preemption_disabled+0x48/0x200 [ 365.115075] ? kvm_clock_read+0x18/0x30 [ 365.119051] ? kvm_sched_clock_read+0x9/0x20 [ 365.123480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.129022] ? check_preemption_disabled+0x48/0x200 [ 365.134058] irq_exit+0x17f/0x1c0 [ 365.137515] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.142359] ? smp_reschedule_interrupt+0x109/0x650 [ 365.147379] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.153268] ? interrupt_entry+0xb5/0xf0 [ 365.157336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.162353] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.167372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.172221] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.177240] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.182260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.187803] ? check_preemption_disabled+0x48/0x200 [ 365.192818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.198368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.203241] apic_timer_interrupt+0xf/0x20 [ 365.207489] [ 365.209736] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 365.214668] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 365.233570] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 365.241279] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 365.248551] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 365.255826] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 365.263108] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 365.270378] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 365.277694] skb_clone+0x1bb/0x500 [ 365.281236] ? finish_task_switch+0x2f5/0x900 [ 365.285732] ? skb_split+0x11e0/0x11e0 [ 365.289626] ? preempt_notifier_register+0x200/0x200 [ 365.294734] ? __switch_to_asm+0x34/0x70 [ 365.298809] ? __switch_to_asm+0x34/0x70 [ 365.302869] ? __switch_to_asm+0x40/0x70 [ 365.306941] ? __switch_to_asm+0x34/0x70 [ 365.311007] ? __switch_to_asm+0x40/0x70 [ 365.315070] ? __switch_to_asm+0x34/0x70 [ 365.319133] ? __switch_to_asm+0x40/0x70 [ 365.323198] ? __switch_to_asm+0x34/0x70 [ 365.327276] ? __switch_to_asm+0x34/0x70 [ 365.331338] ? __switch_to_asm+0x40/0x70 [ 365.335397] ? __switch_to_asm+0x34/0x70 [ 365.339474] bpf_clone_redirect+0xb9/0x490 [ 365.343716] ? __schedule+0x874/0x1ed0 [ 365.347618] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 365.352640] ? __sched_text_start+0x8/0x8 [ 365.356820] ? find_held_lock+0x36/0x1c0 [ 365.360890] ? lock_acquire+0x1ed/0x520 [ 365.364864] ? bpf_test_run+0x3cb/0x780 [ 365.368848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.374392] ? check_preemption_disabled+0x48/0x200 [ 365.379435] ? kasan_check_read+0x11/0x20 [ 365.383602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.388888] ? rcu_bh_qs+0xc0/0xc0 [ 365.392431] ? preempt_schedule+0x4d/0x60 [ 365.396589] ? ___preempt_schedule+0x16/0x18 [ 365.401011] ? bpf_test_run+0x25d/0x780 [ 365.405005] ? netlink_diag_dump+0x2a0/0x2a0 [ 365.409419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.414968] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 365.419743] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 365.424587] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.430122] ? fput+0x130/0x1a0 [ 365.433407] ? __bpf_prog_get+0x9b/0x290 [ 365.437482] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 365.442332] ? bpf_prog_test_run+0x130/0x1a0 [ 365.446748] ? __x64_sys_bpf+0x3d8/0x520 [ 365.450830] ? bpf_prog_get+0x20/0x20 [ 365.454667] ? do_syscall_64+0x1b9/0x820 [ 365.458731] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 365.464107] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.469043] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.474065] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 365.479085] ? recalc_sigpending_tsk+0x180/0x180 [ 365.483876] ? kasan_check_write+0x14/0x20 [ 365.488123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.492984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.498905] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 365.499012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.506008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.506033] Workqueue: events_power_efficient neigh_periodic_work [ 365.506042] Call Trace: [ 365.506052] [ 365.512742] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.521894] dump_stack+0x1c4/0x2b4 [ 365.528104] syz-executor2 cpuset= [ 365.530683] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.532836] syz2 [ 365.543329] warn_alloc.cold.119+0xb7/0x1bd [ 365.546924] mems_allowed=0 [ 365.550368] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.569559] ? lock_downgrade+0x900/0x900 [ 365.573726] ? trace_hardirqs_off+0xb8/0x310 [ 365.578149] ? trace_hardirqs_off+0xb8/0x310 [ 365.582571] __alloc_pages_slowpath+0x2667/0x2d80 [ 365.587446] ? warn_alloc+0x120/0x120 [ 365.591264] ? lock_release+0x970/0x970 [ 365.595242] ? warn_alloc+0x120/0x120 [ 365.599049] ? print_usage_bug+0xc0/0xc0 [ 365.603111] ? warn_alloc+0x120/0x120 [ 365.606915] ? print_usage_bug+0xc0/0xc0 [ 365.610983] ? __lock_acquire+0x7ec/0x4ec0 [ 365.615224] ? __lock_acquire+0x7ec/0x4ec0 [ 365.619473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.625024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.630578] ? should_fail+0x22d/0xd01 [ 365.634563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.639669] ? __lock_acquire+0x7ec/0x4ec0 [ 365.643910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.649013] ? __lock_acquire+0x7ec/0x4ec0 [ 365.653251] ? should_fail+0x22d/0xd01 [ 365.657151] ? mark_held_locks+0x130/0x130 [ 365.661392] ? mark_held_locks+0x130/0x130 [ 365.665632] ? graph_lock+0x170/0x170 [ 365.669434] ? print_usage_bug+0xc0/0xc0 [ 365.673510] ? graph_lock+0x170/0x170 [ 365.677314] ? print_usage_bug+0xc0/0xc0 [ 365.681374] ? wq_watchdog_touch+0x9c/0xfe [ 365.685618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.691162] ? check_preemption_disabled+0x48/0x200 [ 365.696182] ? check_preemption_disabled+0x48/0x200 [ 365.701213] ? __lock_is_held+0xb5/0x140 [ 365.705283] __alloc_pages_nodemask+0xa80/0xde0 [ 365.709953] ? graph_lock+0x170/0x170 [ 365.713763] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.718781] ? graph_lock+0x170/0x170 [ 365.722599] ? find_held_lock+0x36/0x1c0 [ 365.726673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.731362] ? lock_downgrade+0x900/0x900 [ 365.735525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.741072] cache_grow_begin+0x91/0x8c0 [ 365.745135] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.749555] fallback_alloc+0x203/0x2e0 [ 365.753541] ____cache_alloc_node+0x1c7/0x1e0 [ 365.758048] kmem_cache_alloc_node+0xe3/0x730 [ 365.762548] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.766805] __alloc_skb+0x119/0x770 [ 365.770524] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.775811] ? skb_scrub_packet+0x490/0x490 [ 365.780132] ? lock_downgrade+0x900/0x900 [ 365.784305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.789851] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.795309] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.800758] ? addrconf_rs_timer+0x690/0x690 [ 365.805182] ndisc_alloc_skb+0x144/0x340 [ 365.809251] ndisc_send_rs+0x331/0x6e0 [ 365.813148] addrconf_rs_timer+0x314/0x690 [ 365.817391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.821643] call_timer_fn+0x272/0x920 [ 365.825532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.829772] ? process_timeout+0x40/0x40 [ 365.833834] ? find_held_lock+0x36/0x1c0 [ 365.837908] ? mark_held_locks+0xc7/0x130 [ 365.842061] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.846558] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.851052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.855288] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 365.859872] ? trace_hardirqs_on+0xbd/0x310 [ 365.864194] ? kasan_check_read+0x11/0x20 [ 365.868347] ? __run_timers+0x7da/0xc70 [ 365.872323] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.877780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.882021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.886270] __run_timers+0x7e5/0xc70 [ 365.890087] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 365.895452] ? lock_downgrade+0x900/0x900 [ 365.899628] ? print_usage_bug+0xc0/0xc0 [ 365.903704] ? trace_hardirqs_on+0x310/0x310 [ 365.908123] ? kvm_clock_read+0x18/0x30 [ 365.912099] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.917137] ? graph_lock+0x170/0x170 [ 365.920943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.926494] ? check_preemption_disabled+0x48/0x200 [ 365.931527] ? __lock_is_held+0xb5/0x140 [ 365.935594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.941134] ? check_preemption_disabled+0x48/0x200 [ 365.946159] run_timer_softirq+0x52/0xb0 [ 365.950220] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.955238] __do_softirq+0x30b/0xad8 [ 365.959051] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.964154] ? irq_exit+0xbd/0x1c0 [ 365.967699] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 365.972721] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.978610] ? ret_from_intr+0xb/0x1e [ 365.982412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.987429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.992279] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.997338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.002876] ? check_preemption_disabled+0x48/0x200 [ 366.007890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.013439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.018299] ? neigh_periodic_work+0x6bd/0xc60 [ 366.022883] do_softirq_own_stack+0x2a/0x40 [ 366.027197] [ 366.029435] do_softirq.part.13+0x126/0x160 [ 366.033770] __local_bh_enable_ip+0x21d/0x260 [ 366.038269] _raw_write_unlock_bh+0x30/0x40 [ 366.042595] neigh_periodic_work+0x6bd/0xc60 [ 366.047022] ? neigh_table_clear+0x390/0x390 [ 366.051433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.056978] ? check_preemption_disabled+0x48/0x200 [ 366.061999] ? check_preemption_disabled+0x48/0x200 [ 366.067030] ? __lock_is_held+0xb5/0x140 [ 366.071111] process_one_work+0xc90/0x1b90 [ 366.075346] ? mark_held_locks+0x130/0x130 [ 366.079617] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 366.084287] ? __switch_to_asm+0x40/0x70 [ 366.088350] ? __switch_to_asm+0x40/0x70 [ 366.092416] ? __switch_to_asm+0x34/0x70 [ 366.096490] ? __switch_to_asm+0x40/0x70 [ 366.100553] ? __switch_to_asm+0x34/0x70 [ 366.104629] ? __switch_to_asm+0x40/0x70 [ 366.108693] ? __switch_to_asm+0x34/0x70 [ 366.112754] ? __switch_to_asm+0x40/0x70 [ 366.116820] ? __schedule+0x874/0x1ed0 [ 366.120708] ? __switch_to_asm+0x34/0x70 [ 366.124774] ? __switch_to_asm+0x40/0x70 [ 366.128851] ? kasan_check_read+0x11/0x20 [ 366.133005] ? graph_lock+0x170/0x170 [ 366.136816] ? __sched_text_start+0x8/0x8 [ 366.140971] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.145571] ? retint_kernel+0x2d/0x2d [ 366.149470] ? find_held_lock+0x36/0x1c0 [ 366.153547] ? lock_acquire+0x1ed/0x520 [ 366.157522] ? worker_thread+0x3e0/0x1390 [ 366.161676] ? lock_release+0x970/0x970 [ 366.165651] ? trace_hardirqs_off+0xb8/0x310 [ 366.170062] ? kasan_check_read+0x11/0x20 [ 366.174208] ? worker_thread+0x3e0/0x1390 [ 366.178358] ? trace_hardirqs_on+0x310/0x310 [ 366.182822] ? kasan_check_write+0x14/0x20 [ 366.187072] ? do_raw_spin_lock+0xc1/0x200 [ 366.191313] worker_thread+0x17f/0x1390 [ 366.195291] ? __switch_to_asm+0x34/0x70 [ 366.199369] ? process_one_work+0x1b90/0x1b90 [ 366.203874] ? graph_lock+0x170/0x170 [ 366.207686] ? graph_lock+0x170/0x170 [ 366.211498] ? find_held_lock+0x36/0x1c0 [ 366.215577] ? find_held_lock+0x36/0x1c0 [ 366.219687] ? __kthread_parkme+0xce/0x1a0 [ 366.223936] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 366.229043] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 366.234146] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.238748] ? trace_hardirqs_on+0xbd/0x310 [ 366.243074] ? kasan_check_read+0x11/0x20 [ 366.247221] ? __kthread_parkme+0xce/0x1a0 [ 366.251467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.256933] ? kasan_check_write+0x14/0x20 [ 366.261190] ? do_raw_spin_lock+0xc1/0x200 [ 366.265435] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.270557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.276102] ? __kthread_parkme+0xfb/0x1a0 [ 366.280342] kthread+0x35a/0x420 [ 366.283711] ? process_one_work+0x1b90/0x1b90 [ 366.288204] ? kthread_bind+0x40/0x40 [ 366.292024] ret_from_fork+0x3a/0x50 [ 366.295761] warn_alloc_show_mem: 1 callbacks suppressed [ 366.295773] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 366.295774] Mem-Info: [ 366.295806] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 366.295806] active_file:14 inactive_file:13 isolated_file:0 [ 366.295806] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.295806] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 366.295806] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 366.295806] free:13770 free_pcp:433 free_cma:0 [ 366.301139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.301148] Call Trace: [ 366.308520] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.310920] [ 366.343968] Node 0 [ 366.353361] dump_stack+0x1c4/0x2b4 [ 366.355955] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.383685] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.385818] lowmem_reserve[]: [ 366.388061] warn_alloc.cold.119+0xb7/0x1bd [ 366.391657] 0 [ 366.417154] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.422320] 2819 [ 366.425423] ? lock_downgrade+0x900/0x900 [ 366.429715] 6323 6323 [ 366.431526] ? trace_hardirqs_off+0xb8/0x310 [ 366.436341] Node 0 [ 366.438421] ? trace_hardirqs_off+0xb8/0x310 [ 366.442568] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 366.445038] __alloc_pages_slowpath+0x2667/0x2d80 [ 366.449419] lowmem_reserve[]: [ 366.451677] ? warn_alloc+0x120/0x120 [ 366.456039] 0 [ 366.483041] ? warn_alloc+0x120/0x120 [ 366.487860] 0 [ 366.490967] ? print_usage_bug+0xc0/0xc0 [ 366.494741] 3503 [ 366.496542] ? warn_alloc+0x120/0x120 [ 366.500315] 3503 [ 366.502119] ? print_usage_bug+0xc0/0xc0 [ 366.506159] Node 0 [ 366.508215] ? __lock_acquire+0x7ec/0x4ec0 [ 366.512018] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 366.514052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.518133] lowmem_reserve[]: [ 366.520366] ? should_fail+0x22d/0xd01 [ 366.524577] 0 [ 366.553119] ? __lock_acquire+0x7ec/0x4ec0 [ 366.558634] 0 [ 366.561737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.565596] 0 [ 366.567392] ? __lock_acquire+0x7ec/0x4ec0 [ 366.571595] 0 [ 366.573405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.578483] Node 0 [ 366.580280] ? __lock_acquire+0x7ec/0x4ec0 [ 366.584495] DMA: [ 366.586292] ? should_fail+0x22d/0xd01 [ 366.591380] 1*4kB [ 366.593614] ? mark_held_locks+0x130/0x130 [ 366.597818] (U) [ 366.599901] ? mark_held_locks+0x130/0x130 [ 366.603770] 0*8kB [ 366.605920] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 366.610135] 0*16kB 1*32kB [ 366.612118] ? graph_lock+0x170/0x170 [ 366.616331] (U) [ 366.618486] ? print_usage_bug+0xc0/0xc0 [ 366.623573] 2*64kB [ 366.626417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.630200] (U) [ 366.632172] ? check_preemption_disabled+0x48/0x200 [ 366.636206] 1*128kB [ 366.638440] ? check_preemption_disabled+0x48/0x200 [ 366.643954] (U) [ 366.645936] ? __lock_is_held+0xb5/0x140 [ 366.650916] 1*256kB (U) [ 366.653245] __alloc_pages_nodemask+0xa80/0xde0 [ 366.658233] 0*512kB [ 366.660201] ? graph_lock+0x170/0x170 [ 366.664242] 1*1024kB [ 366.666931] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.671578] (U) [ 366.673903] ? graph_lock+0x170/0x170 [ 366.677682] 1*2048kB [ 366.680097] ? find_held_lock+0x36/0x1c0 [ 366.685080] (M) [ 366.687074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.690839] 3*4096kB [ 366.693244] ? lock_downgrade+0x900/0x900 [ 366.697280] (M) [ 366.699259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.703898] = 15908kB [ 366.706303] cache_grow_begin+0x91/0x8c0 [ 366.710425] Node 0 [ 366.712418] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.717932] DMA32: [ 366.720342] fallback_alloc+0x203/0x2e0 [ 366.724376] 5*4kB [ 366.726610] ____cache_alloc_node+0x1c7/0x1e0 [ 366.730993] (UMH) [ 366.733249] kmem_cache_alloc_node+0xe3/0x730 [ 366.737213] 2*8kB (MH) [ 366.739369] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.743840] 3*16kB [ 366.746011] __alloc_skb+0x119/0x770 [ 366.750485] (MH) [ 366.753070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.757276] 3*32kB [ 366.759507] ? skb_scrub_packet+0x490/0x490 [ 366.763195] (MH) [ 366.765252] ? lock_downgrade+0x900/0x900 [ 366.770509] 5*64kB [ 366.772742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.777061] (MH) 3*128kB [ 366.779129] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.783249] (M) [ 366.785494] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.791005] 5*256kB (UMH) [ 366.793766] ? addrconf_rs_timer+0x690/0x690 [ 366.799202] 5*512kB [ 366.801201] ndisc_alloc_skb+0x144/0x340 [ 366.806616] (UMH) [ 366.809465] ndisc_send_rs+0x331/0x6e0 [ 366.813853] 4*1024kB [ 366.816176] addrconf_rs_timer+0x314/0x690 [ 366.820213] (UMH) [ 366.822357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.826225] 2*2048kB [ 366.828640] call_timer_fn+0x272/0x920 [ 366.832841] (M) [ 366.834990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.839215] 3*4096kB [ 366.841624] ? process_timeout+0x40/0x40 [ 366.845491] (M) [ 366.847469] ? find_held_lock+0x36/0x1c0 [ 366.851682] = 25204kB [ 366.854094] ? __run_timers+0x7da/0xc70 [ 366.858128] Node 0 [ 366.860104] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.864135] Normal: 990*4kB [ 366.866567] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.870517] (UMEH) [ 366.872749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.877220] 505*8kB (MEH) [ 366.880242] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 366.884715] 189*16kB [ 366.886947] ? trace_hardirqs_on+0xbd/0x310 [ 366.891153] (MEH) [ 366.893995] ? kasan_check_read+0x11/0x20 [ 366.898553] 66*32kB [ 366.900963] ? __run_timers+0x7da/0xc70 [ 366.905256] (UMH) [ 366.907401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.911526] 0*64kB [ 366.913845] ? prandom_seed_full_state+0x3b0/0x3b0 [ 366.917793] 1*128kB [ 366.919936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.925358] (H) [ 366.927590] __run_timers+0x7e5/0xc70 [ 366.932501] 1*256kB [ 366.934830] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.939029] (H) [ 366.941006] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.944787] 1*512kB [ 366.947103] ? graph_lock+0x170/0x170 [ 366.952444] (H) [ 366.954423] ? enqueue_hrtimer+0x1a5/0x560 [ 366.959499] 0*1024kB [ 366.961825] ? lock_release+0x970/0x970 [ 366.965605] 0*2048kB [ 366.967575] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.971786] 0*4096kB [ 366.974196] ? find_held_lock+0x36/0x1c0 [ 366.978137] = 14032kB [ 366.978152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 366.980550] ? graph_lock+0x170/0x170 [ 366.985719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 366.988117] ? pvclock_read_flags+0x160/0x160 [ 366.992153] 5170 total pagecache pages [ 366.994557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.003373] 0 pages in swap cache [ 367.007166] ? check_preemption_disabled+0x48/0x200 [ 367.015724] Swap cache stats: add 0, delete 0, find 0/0 [ 367.020214] ? __lock_is_held+0xb5/0x140 [ 367.024073] Free swap = 0kB [ 367.029603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.033065] Total swap = 0kB [ 367.038092] ? check_preemption_disabled+0x48/0x200 [ 367.043427] 1965979 pages RAM [ 367.047502] run_timer_softirq+0x52/0xb0 [ 367.050490] 0 pages HighMem/MovableOnly [ 367.050498] 342306 pages reserved [ 367.056030] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.059023] 0 pages cma reserved [ 367.064032] __do_softirq+0x30b/0xad8 [ 367.067203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.071169] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.071194] ? pvclock_read_flags+0x160/0x160 [ 367.075208] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.078593] ? lapic_next_event+0x5a/0x90 [ 367.083585] kworker/0:2 cpuset= [ 367.086956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.090735] / [ 367.097223] ? check_preemption_disabled+0x48/0x200 [ 367.102301] mems_allowed=0 [ 367.106790] ? check_preemption_disabled+0x48/0x200 [ 367.144660] ? kvm_clock_read+0x18/0x30 [ 367.148639] ? kvm_sched_clock_read+0x9/0x20 [ 367.153049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.158587] ? check_preemption_disabled+0x48/0x200 [ 367.163623] irq_exit+0x17f/0x1c0 [ 367.167086] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.171941] ? smp_reschedule_interrupt+0x109/0x650 [ 367.176957] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.182851] ? interrupt_entry+0xb5/0xf0 [ 367.186919] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.191938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.196958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.201807] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.206825] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.211847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.217388] ? check_preemption_disabled+0x48/0x200 [ 367.222407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.227987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.232840] apic_timer_interrupt+0xf/0x20 [ 367.237073] [ 367.239314] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 367.244258] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 367.263159] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.270871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.278139] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 367.285410] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 367.292680] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 367.299949] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 367.307264] skb_clone+0x1bb/0x500 [ 367.310806] ? finish_task_switch+0x2f5/0x900 [ 367.315303] ? skb_split+0x11e0/0x11e0 [ 367.319193] ? preempt_notifier_register+0x200/0x200 [ 367.324299] ? __switch_to_asm+0x34/0x70 [ 367.328360] ? __switch_to_asm+0x34/0x70 [ 367.332424] ? __switch_to_asm+0x40/0x70 [ 367.336492] ? __switch_to_asm+0x34/0x70 [ 367.340561] ? __switch_to_asm+0x40/0x70 [ 367.344623] ? __switch_to_asm+0x34/0x70 [ 367.348689] ? __switch_to_asm+0x40/0x70 [ 367.352753] ? __switch_to_asm+0x34/0x70 [ 367.356817] ? __switch_to_asm+0x34/0x70 [ 367.360880] ? __switch_to_asm+0x40/0x70 [ 367.364941] ? __switch_to_asm+0x34/0x70 [ 367.369017] bpf_clone_redirect+0xb9/0x490 [ 367.373259] ? __schedule+0x874/0x1ed0 [ 367.377158] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 367.382181] ? __sched_text_start+0x8/0x8 [ 367.386348] ? find_held_lock+0x36/0x1c0 [ 367.390418] ? lock_acquire+0x1ed/0x520 [ 367.394393] ? bpf_test_run+0x3cb/0x780 [ 367.398550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.404090] ? check_preemption_disabled+0x48/0x200 [ 367.409116] ? kasan_check_read+0x11/0x20 [ 367.413269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.418548] ? rcu_bh_qs+0xc0/0xc0 [ 367.422094] ? preempt_schedule+0x4d/0x60 [ 367.426243] ? ___preempt_schedule+0x16/0x18 [ 367.430666] ? bpf_test_run+0x25d/0x780 [ 367.434654] ? netlink_diag_dump+0x2a0/0x2a0 [ 367.439066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.444611] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 367.449377] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 367.454222] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.459761] ? fput+0x130/0x1a0 [ 367.463045] ? __bpf_prog_get+0x9b/0x290 [ 367.467115] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 367.471962] ? bpf_prog_test_run+0x130/0x1a0 [ 367.476380] ? __x64_sys_bpf+0x3d8/0x520 [ 367.480442] ? bpf_prog_get+0x20/0x20 [ 367.484271] ? do_syscall_64+0x1b9/0x820 [ 367.488339] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 367.493705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.499136] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.504158] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 367.509183] ? recalc_sigpending_tsk+0x180/0x180 [ 367.513945] ? kasan_check_write+0x14/0x20 [ 367.518191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.523051] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.528436] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 367.528527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.535554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.535575] Workqueue: events_power_efficient neigh_periodic_work [ 367.535583] Call Trace: [ 367.535591] [ 367.535611] dump_stack+0x1c4/0x2b4 [ 367.542176] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.551443] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.557662] syz-executor2 cpuset= [ 367.560254] warn_alloc.cold.119+0xb7/0x1bd [ 367.562372] syz2 [ 367.566001] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.576471] mems_allowed=0 [ 367.581663] ? lock_downgrade+0x900/0x900 [ 367.603281] ? trace_hardirqs_off+0xb8/0x310 [ 367.607697] ? trace_hardirqs_off+0xb8/0x310 [ 367.612124] __alloc_pages_slowpath+0x2667/0x2d80 [ 367.617001] ? warn_alloc+0x120/0x120 [ 367.620806] ? lock_release+0x970/0x970 [ 367.624786] ? warn_alloc+0x120/0x120 [ 367.628590] ? print_usage_bug+0xc0/0xc0 [ 367.632653] ? warn_alloc+0x120/0x120 [ 367.636464] ? print_usage_bug+0xc0/0xc0 [ 367.640537] ? __lock_acquire+0x7ec/0x4ec0 [ 367.644774] ? __lock_acquire+0x7ec/0x4ec0 [ 367.649010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.654547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.660090] ? should_fail+0x22d/0xd01 [ 367.663986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.669094] ? __lock_acquire+0x7ec/0x4ec0 [ 367.673333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.678434] ? __lock_acquire+0x7ec/0x4ec0 [ 367.682678] ? should_fail+0x22d/0xd01 [ 367.686581] ? mark_held_locks+0x130/0x130 [ 367.690822] ? mark_held_locks+0x130/0x130 [ 367.695062] ? graph_lock+0x170/0x170 [ 367.698865] ? print_usage_bug+0xc0/0xc0 [ 367.702929] ? graph_lock+0x170/0x170 [ 367.706733] ? print_usage_bug+0xc0/0xc0 [ 367.710798] ? wq_watchdog_touch+0x9c/0xfe [ 367.715034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.720574] ? check_preemption_disabled+0x48/0x200 [ 367.725592] ? check_preemption_disabled+0x48/0x200 [ 367.730623] ? __lock_is_held+0xb5/0x140 [ 367.734694] __alloc_pages_nodemask+0xa80/0xde0 [ 367.739366] ? graph_lock+0x170/0x170 [ 367.743172] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.748187] ? graph_lock+0x170/0x170 [ 367.751999] ? find_held_lock+0x36/0x1c0 [ 367.756076] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.760748] ? lock_downgrade+0x900/0x900 [ 367.764911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.770467] cache_grow_begin+0x91/0x8c0 [ 367.774541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.778968] fallback_alloc+0x203/0x2e0 [ 367.782958] ____cache_alloc_node+0x1c7/0x1e0 [ 367.787472] kmem_cache_alloc_node+0xe3/0x730 [ 367.791980] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.796229] __alloc_skb+0x119/0x770 [ 367.799950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.805233] ? skb_scrub_packet+0x490/0x490 [ 367.809563] ? lock_downgrade+0x900/0x900 [ 367.813721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.819281] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.824757] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.830210] ? addrconf_rs_timer+0x690/0x690 [ 367.834635] ndisc_alloc_skb+0x144/0x340 [ 367.838706] ndisc_send_rs+0x331/0x6e0 [ 367.842607] addrconf_rs_timer+0x314/0x690 [ 367.846854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.851121] call_timer_fn+0x272/0x920 [ 367.855018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.859265] ? process_timeout+0x40/0x40 [ 367.863324] ? find_held_lock+0x36/0x1c0 [ 367.867397] ? mark_held_locks+0xc7/0x130 [ 367.871552] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.876051] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.880545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.884782] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.889366] ? trace_hardirqs_on+0xbd/0x310 [ 367.893693] ? kasan_check_read+0x11/0x20 [ 367.897840] ? __run_timers+0x7da/0xc70 [ 367.901819] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.907278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.911521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.915763] __run_timers+0x7e5/0xc70 [ 367.919581] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.924950] ? lock_downgrade+0x900/0x900 [ 367.929114] ? print_usage_bug+0xc0/0xc0 [ 367.933176] ? trace_hardirqs_on+0x310/0x310 [ 367.937629] ? kvm_clock_read+0x18/0x30 [ 367.941606] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 367.946631] ? graph_lock+0x170/0x170 [ 367.950437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.955989] ? check_preemption_disabled+0x48/0x200 [ 367.961019] ? __lock_is_held+0xb5/0x140 [ 367.965084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.970626] ? check_preemption_disabled+0x48/0x200 [ 367.975671] run_timer_softirq+0x52/0xb0 [ 367.979736] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.984754] __do_softirq+0x30b/0xad8 [ 367.988585] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.993689] ? irq_exit+0xbd/0x1c0 [ 367.997230] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 368.002268] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.008161] ? ret_from_intr+0xb/0x1e [ 368.011969] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.016986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.021835] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.026857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.032402] ? check_preemption_disabled+0x48/0x200 [ 368.037428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.042984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.047834] ? neigh_periodic_work+0x6bd/0xc60 [ 368.052418] do_softirq_own_stack+0x2a/0x40 [ 368.056738] [ 368.058988] do_softirq.part.13+0x126/0x160 [ 368.063314] __local_bh_enable_ip+0x21d/0x260 [ 368.067815] _raw_write_unlock_bh+0x30/0x40 [ 368.072144] neigh_periodic_work+0x6bd/0xc60 [ 368.076565] ? neigh_table_clear+0x390/0x390 [ 368.080989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.086531] ? check_preemption_disabled+0x48/0x200 [ 368.091547] ? check_preemption_disabled+0x48/0x200 [ 368.096582] ? __lock_is_held+0xb5/0x140 [ 368.100666] process_one_work+0xc90/0x1b90 [ 368.104903] ? mark_held_locks+0x130/0x130 [ 368.109149] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 368.113818] ? __switch_to_asm+0x40/0x70 [ 368.117881] ? __switch_to_asm+0x40/0x70 [ 368.121944] ? __switch_to_asm+0x34/0x70 [ 368.126005] ? __switch_to_asm+0x40/0x70 [ 368.130069] ? __switch_to_asm+0x34/0x70 [ 368.134137] ? __switch_to_asm+0x40/0x70 [ 368.138197] ? __switch_to_asm+0x34/0x70 [ 368.142261] ? __switch_to_asm+0x40/0x70 [ 368.146327] ? __schedule+0x874/0x1ed0 [ 368.150216] ? __switch_to_asm+0x34/0x70 [ 368.154275] ? __switch_to_asm+0x40/0x70 [ 368.158352] ? kasan_check_read+0x11/0x20 [ 368.162512] ? graph_lock+0x170/0x170 [ 368.166335] ? __sched_text_start+0x8/0x8 [ 368.170499] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.175083] ? retint_kernel+0x2d/0x2d [ 368.178982] ? find_held_lock+0x36/0x1c0 [ 368.183059] ? lock_acquire+0x1ed/0x520 [ 368.187037] ? worker_thread+0x3e0/0x1390 [ 368.191192] ? lock_release+0x970/0x970 [ 368.195180] ? trace_hardirqs_off+0xb8/0x310 [ 368.199594] ? kasan_check_read+0x11/0x20 [ 368.203742] ? worker_thread+0x3e0/0x1390 [ 368.207894] ? trace_hardirqs_on+0x310/0x310 [ 368.212307] ? kasan_check_write+0x14/0x20 [ 368.216546] ? do_raw_spin_lock+0xc1/0x200 [ 368.220788] worker_thread+0x17f/0x1390 [ 368.224764] ? __switch_to_asm+0x34/0x70 [ 368.228842] ? process_one_work+0x1b90/0x1b90 [ 368.233356] ? graph_lock+0x170/0x170 [ 368.237187] ? graph_lock+0x170/0x170 [ 368.240986] ? find_held_lock+0x36/0x1c0 [ 368.245077] ? find_held_lock+0x36/0x1c0 [ 368.249148] ? __kthread_parkme+0xce/0x1a0 [ 368.253386] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.258500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.263607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.268195] ? trace_hardirqs_on+0xbd/0x310 [ 368.272517] ? kasan_check_read+0x11/0x20 [ 368.276669] ? __kthread_parkme+0xce/0x1a0 [ 368.280905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.286359] ? kasan_check_write+0x14/0x20 [ 368.290597] ? do_raw_spin_lock+0xc1/0x200 [ 368.294839] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.299943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.305493] ? __kthread_parkme+0xfb/0x1a0 [ 368.309738] kthread+0x35a/0x420 [ 368.313107] ? process_one_work+0x1b90/0x1b90 [ 368.317618] ? kthread_bind+0x40/0x40 [ 368.321423] ret_from_fork+0x3a/0x50 [ 368.325168] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 368.325174] warn_alloc_show_mem: 1 callbacks suppressed [ 368.325181] Mem-Info: [ 368.332541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.337921] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 368.337921] active_file:14 inactive_file:13 isolated_file:0 [ 368.337921] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.337921] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 368.337921] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 368.337921] free:13770 free_pcp:433 free_cma:0 [ 368.340294] Call Trace: [ 368.349683] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.382962] [ 368.385541] Node 0 [ 368.413132] dump_stack+0x1c4/0x2b4 [ 368.415274] 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 [ 368.417487] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.421092] lowmem_reserve[]: [ 368.446776] warn_alloc.cold.119+0xb7/0x1bd [ 368.451931] 0 [ 368.455033] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.459330] 2819 [ 368.461130] ? lock_downgrade+0x900/0x900 [ 368.465946] 6323 [ 368.468010] ? trace_hardirqs_off+0xb8/0x310 [ 368.472125] 6323 [ 368.474193] ? trace_hardirqs_off+0xb8/0x310 [ 368.478578] Node 0 [ 368.480641] __alloc_pages_slowpath+0x2667/0x2d80 [ 368.485043] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.487295] ? warn_alloc+0x120/0x120 [ 368.492106] lowmem_reserve[]: [ 368.519085] ? trace_hardirqs_on+0x310/0x310 [ 368.522866] 0 [ 368.525966] ? warn_alloc+0x120/0x120 [ 368.530343] 0 3503 [ 368.532150] ? print_usage_bug+0xc0/0xc0 [ 368.535923] 3503 [ 368.538153] ? warn_alloc+0x120/0x120 [ 368.542190] Node 0 [ 368.544272] ? ktime_get+0x2e1/0x440 [ 368.548076] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 368.550282] ? print_usage_bug+0xc0/0xc0 [ 368.553973] lowmem_reserve[]: [ 368.582521] ? __lock_acquire+0x7ec/0x4ec0 [ 368.586556] 0 [ 368.589660] ? __lock_acquire+0x7ec/0x4ec0 [ 368.593864] 0 0 [ 368.595672] ? kasan_check_read+0x11/0x20 [ 368.599882] 0 [ 368.601860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.607800] ? should_fail+0x22d/0xd01 [ 368.613309] Node 0 [ 368.617187] ? rcu_bh_qs+0xc0/0xc0 [ 368.617196] DMA: [ 368.619433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.622950] 1*4kB [ 368.625015] ? __lock_acquire+0x7ec/0x4ec0 [ 368.630097] (U) [ 368.632244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.636453] 0*8kB [ 368.638434] ? __lock_acquire+0x7ec/0x4ec0 [ 368.643517] 0*16kB [ 368.645663] ? should_fail+0x22d/0xd01 [ 368.649874] 1*32kB [ 368.652106] ? rcu_idle_enter+0x4b0/0x4b0 [ 368.655966] (U) [ 368.658207] ? mark_held_locks+0x130/0x130 [ 368.662328] 2*64kB [ 368.664299] ? mark_held_locks+0x130/0x130 [ 368.668508] (U) [ 368.670743] ? mark_held_locks+0xc7/0x130 [ 368.674953] 1*128kB [ 368.676929] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 368.681049] (U) [ 368.683371] ? graph_lock+0x170/0x170 [ 368.688361] 1*256kB (U) [ 368.690343] ? print_usage_bug+0xc0/0xc0 [ 368.694122] 0*512kB 1*1024kB [ 368.696800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.700833] (U) [ 368.703937] ? check_preemption_disabled+0x48/0x200 [ 368.709445] 1*2048kB [ 368.711427] ? check_preemption_disabled+0x48/0x200 [ 368.716419] (M) [ 368.718839] ? __lock_is_held+0xb5/0x140 [ 368.723823] 3*4096kB [ 368.725801] __alloc_pages_nodemask+0xa80/0xde0 [ 368.729855] (M) [ 368.732259] ? graph_lock+0x170/0x170 [ 368.736904] = 15908kB [ 368.738874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.742650] Node 0 [ 368.745057] ? graph_lock+0x170/0x170 [ 368.750052] DMA32: [ 368.752290] ? find_held_lock+0x36/0x1c0 [ 368.756063] 5*4kB [ 368.758303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.762334] (UMH) [ 368.764495] ? lock_downgrade+0x900/0x900 [ 368.769140] 2*8kB [ 368.771292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.775409] (MH) [ 368.777561] cache_grow_begin+0x91/0x8c0 [ 368.783069] 3*16kB [ 368.785125] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.789163] (MH) [ 368.791399] fallback_alloc+0x203/0x2e0 [ 368.795798] 3*32kB [ 368.797864] ____cache_alloc_node+0x1c7/0x1e0 [ 368.801811] (MH) [ 368.804050] kmem_cache_alloc_node+0xe3/0x730 [ 368.808524] 5*64kB [ 368.810583] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.815045] (MH) 3*128kB [ 368.817292] __alloc_skb+0x119/0x770 [ 368.821499] (M) [ 368.824254] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.827942] 5*256kB [ 368.829913] ? skb_scrub_packet+0x490/0x490 [ 368.835167] (UMH) [ 368.837498] ? lock_downgrade+0x900/0x900 [ 368.841801] 5*512kB [ 368.843954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.848070] (UMH) [ 368.850391] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.855897] 4*1024kB (UMH) [ 368.858050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.863484] 2*2048kB [ 368.866408] ? addrconf_rs_timer+0x690/0x690 [ 368.871831] (M) [ 368.874246] ndisc_alloc_skb+0x144/0x340 [ 368.878624] 3*4096kB [ 368.880613] ndisc_send_rs+0x331/0x6e0 [ 368.884649] (M) [ 368.887059] addrconf_rs_timer+0x314/0x690 [ 368.890923] = 25204kB [ 368.892893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.897104] Node 0 [ 368.899541] call_timer_fn+0x272/0x920 [ 368.903743] Normal: [ 368.905984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.909842] 990*4kB [ 368.912173] ? process_timeout+0x40/0x40 [ 368.916381] (UMEH) [ 368.918719] ? find_held_lock+0x36/0x1c0 [ 368.922755] 505*8kB (MEH) [ 368.925008] ? __run_timers+0x7da/0xc70 [ 368.929033] 189*16kB (MEH) [ 368.931899] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.935848] 66*32kB [ 368.938775] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.943237] (UMH) 0*64kB [ 368.945565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.950029] 1*128kB (H) [ 368.952790] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 368.957016] 1*256kB [ 368.959681] ? trace_hardirqs_on+0xbd/0x310 [ 368.964247] (H) [ 368.966567] ? kasan_check_read+0x11/0x20 [ 368.970863] 1*512kB [ 368.972834] ? __run_timers+0x7da/0xc70 [ 368.976956] (H) [ 368.979279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.983221] 0*1024kB 0*2048kB [ 368.985200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.990630] 0*4096kB [ 368.993817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.998025] = 14032kB [ 369.000430] __run_timers+0x7e5/0xc70 [ 369.004665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.007076] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.010857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.019679] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.025017] 5170 total pagecache pages [ 369.033584] ? graph_lock+0x170/0x170 [ 369.038585] 0 pages in swap cache [ 369.042468] ? enqueue_hrtimer+0x1a5/0x560 [ 369.046256] Swap cache stats: add 0, delete 0, find 0/0 [ 369.049700] ? lock_release+0x970/0x970 [ 369.053915] Free swap = 0kB [ 369.059280] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.063247] Total swap = 0kB [ 369.066265] ? find_held_lock+0x36/0x1c0 [ 369.071429] 1965979 pages RAM [ 369.074445] ? graph_lock+0x170/0x170 [ 369.078490] 0 pages HighMem/MovableOnly [ 369.078498] 342306 pages reserved [ 369.081597] ? pvclock_read_flags+0x160/0x160 [ 369.085372] 0 pages cma reserved [ 369.089338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.092839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.097259] ? check_preemption_disabled+0x48/0x200 [ 369.100656] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.106135] ? __lock_is_held+0xb5/0x140 [ 369.112600] kworker/0:2 cpuset= [ 369.117615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.127904] / [ 369.131960] ? check_preemption_disabled+0x48/0x200 [ 369.135215] mems_allowed=0 [ 369.140748] run_timer_softirq+0x52/0xb0 [ 369.154423] ? rcu_read_lock_sched_held+0x108/0x120 [ 369.159453] __do_softirq+0x30b/0xad8 [ 369.163279] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 369.168389] ? pvclock_read_flags+0x160/0x160 [ 369.172887] ? lapic_next_event+0x5a/0x90 [ 369.177035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.182579] ? check_preemption_disabled+0x48/0x200 [ 369.187600] ? check_preemption_disabled+0x48/0x200 [ 369.192626] ? kvm_clock_read+0x18/0x30 [ 369.196601] ? kvm_sched_clock_read+0x9/0x20 [ 369.201015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.206556] ? check_preemption_disabled+0x48/0x200 [ 369.211586] irq_exit+0x17f/0x1c0 [ 369.215043] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.219889] ? smp_reschedule_interrupt+0x109/0x650 [ 369.224909] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.230797] ? interrupt_entry+0xb5/0xf0 [ 369.234865] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.239882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.244903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.249750] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.254768] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.259788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.265328] ? check_preemption_disabled+0x48/0x200 [ 369.270344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.275891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.280745] apic_timer_interrupt+0xf/0x20 [ 369.284974] [ 369.287222] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.292154] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 369.311052] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.318763] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.326035] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 369.333306] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 369.340572] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.347844] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 369.355162] skb_clone+0x1bb/0x500 [ 369.358706] ? finish_task_switch+0x2f5/0x900 [ 369.363209] ? skb_split+0x11e0/0x11e0 [ 369.367101] ? preempt_notifier_register+0x200/0x200 [ 369.372220] ? __switch_to_asm+0x34/0x70 [ 369.376302] ? __switch_to_asm+0x34/0x70 [ 369.380379] ? __switch_to_asm+0x40/0x70 [ 369.384440] ? __switch_to_asm+0x34/0x70 [ 369.388527] ? __switch_to_asm+0x40/0x70 [ 369.392588] ? __switch_to_asm+0x34/0x70 [ 369.396761] ? __switch_to_asm+0x40/0x70 [ 369.400835] ? __switch_to_asm+0x34/0x70 [ 369.404899] ? __switch_to_asm+0x34/0x70 [ 369.408959] ? __switch_to_asm+0x40/0x70 [ 369.413034] ? __switch_to_asm+0x34/0x70 [ 369.417108] bpf_clone_redirect+0xb9/0x490 [ 369.421349] ? __schedule+0x874/0x1ed0 [ 369.425258] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 369.430291] ? __sched_text_start+0x8/0x8 [ 369.434468] ? find_held_lock+0x36/0x1c0 [ 369.438543] ? lock_acquire+0x1ed/0x520 [ 369.442523] ? bpf_test_run+0x3cb/0x780 [ 369.446501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.452046] ? check_preemption_disabled+0x48/0x200 [ 369.457071] ? kasan_check_read+0x11/0x20 [ 369.461224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.466508] ? rcu_bh_qs+0xc0/0xc0 [ 369.470050] ? preempt_schedule+0x4d/0x60 [ 369.474198] ? ___preempt_schedule+0x16/0x18 [ 369.478618] ? bpf_test_run+0x25d/0x780 [ 369.482607] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.487020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.492571] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 369.497845] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.502688] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.508239] ? fput+0x130/0x1a0 [ 369.511527] ? __bpf_prog_get+0x9b/0x290 [ 369.515598] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.520440] ? bpf_prog_test_run+0x130/0x1a0 [ 369.524864] ? __x64_sys_bpf+0x3d8/0x520 [ 369.528926] ? bpf_prog_get+0x20/0x20 [ 369.532753] ? do_syscall_64+0x1b9/0x820 [ 369.536822] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.542193] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.547127] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.552146] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.557166] ? recalc_sigpending_tsk+0x180/0x180 [ 369.561927] ? kasan_check_write+0x14/0x20 [ 369.566173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.571048] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.576435] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 369.576524] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.583551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.583572] Workqueue: events_power_efficient neigh_periodic_work [ 369.583581] Call Trace: [ 369.583589] [ 369.583608] dump_stack+0x1c4/0x2b4 [ 369.590160] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.599436] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.605997] syz-executor2 cpuset= [ 369.608590] warn_alloc.cold.119+0xb7/0x1bd [ 369.610708] syz2 [ 369.614333] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.624795] mems_allowed=0 [ 369.629980] ? lock_downgrade+0x900/0x900 [ 369.651630] ? trace_hardirqs_off+0xb8/0x310 [ 369.656046] ? trace_hardirqs_off+0xb8/0x310 [ 369.660472] __alloc_pages_slowpath+0x2667/0x2d80 [ 369.665359] ? warn_alloc+0x120/0x120 [ 369.669170] ? warn_alloc+0x120/0x120 [ 369.672988] ? print_usage_bug+0xc0/0xc0 [ 369.677056] ? warn_alloc+0x120/0x120 [ 369.680865] ? print_usage_bug+0xc0/0xc0 [ 369.684930] ? __lock_acquire+0x7ec/0x4ec0 [ 369.689166] ? __lock_acquire+0x7ec/0x4ec0 [ 369.693405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.698944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.704495] ? should_fail+0x22d/0xd01 [ 369.708391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.713517] ? __lock_acquire+0x7ec/0x4ec0 [ 369.717764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.722868] ? __lock_acquire+0x7ec/0x4ec0 [ 369.727101] ? should_fail+0x22d/0xd01 [ 369.731006] ? mark_held_locks+0x130/0x130 [ 369.735249] ? mark_held_locks+0x130/0x130 [ 369.739502] ? graph_lock+0x170/0x170 [ 369.743306] ? print_usage_bug+0xc0/0xc0 [ 369.747366] ? graph_lock+0x170/0x170 [ 369.751169] ? print_usage_bug+0xc0/0xc0 [ 369.755233] ? wq_watchdog_touch+0x9c/0xfe [ 369.759486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.765042] ? check_preemption_disabled+0x48/0x200 [ 369.770073] ? check_preemption_disabled+0x48/0x200 [ 369.775156] ? __lock_is_held+0xb5/0x140 [ 369.779238] __alloc_pages_nodemask+0xa80/0xde0 [ 369.783919] ? graph_lock+0x170/0x170 [ 369.787737] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.792756] ? graph_lock+0x170/0x170 [ 369.796573] ? find_held_lock+0x36/0x1c0 [ 369.800656] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.805327] ? lock_downgrade+0x900/0x900 [ 369.809503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.815051] cache_grow_begin+0x91/0x8c0 [ 369.819118] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.823535] fallback_alloc+0x203/0x2e0 [ 369.827523] ____cache_alloc_node+0x1c7/0x1e0 [ 369.832112] kmem_cache_alloc_node+0xe3/0x730 [ 369.836612] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.840861] __alloc_skb+0x119/0x770 [ 369.844581] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.849864] ? skb_scrub_packet+0x490/0x490 [ 369.854278] ? lock_downgrade+0x900/0x900 [ 369.858440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.863992] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.869450] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.874918] ? addrconf_rs_timer+0x690/0x690 [ 369.879340] ndisc_alloc_skb+0x144/0x340 [ 369.883409] ndisc_send_rs+0x331/0x6e0 [ 369.887307] addrconf_rs_timer+0x314/0x690 [ 369.891549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.895800] call_timer_fn+0x272/0x920 [ 369.899692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.903930] ? process_timeout+0x40/0x40 [ 369.907992] ? find_held_lock+0x36/0x1c0 [ 369.912060] ? mark_held_locks+0xc7/0x130 [ 369.916212] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.920710] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.925201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.929438] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 369.934032] ? trace_hardirqs_on+0xbd/0x310 [ 369.938355] ? kasan_check_read+0x11/0x20 [ 369.942507] ? __run_timers+0x7da/0xc70 [ 369.946494] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.951956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.956195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.960436] __run_timers+0x7e5/0xc70 [ 369.964260] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.969620] ? lock_downgrade+0x900/0x900 [ 369.973779] ? print_usage_bug+0xc0/0xc0 [ 369.977841] ? trace_hardirqs_on+0x310/0x310 [ 369.982259] ? kvm_clock_read+0x18/0x30 [ 369.986232] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 369.991254] ? graph_lock+0x170/0x170 [ 369.995058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.000599] ? check_preemption_disabled+0x48/0x200 [ 370.005630] ? __lock_is_held+0xb5/0x140 [ 370.009694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.015236] ? check_preemption_disabled+0x48/0x200 [ 370.020258] run_timer_softirq+0x52/0xb0 [ 370.024324] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.029342] __do_softirq+0x30b/0xad8 [ 370.033157] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.038258] ? irq_exit+0xbd/0x1c0 [ 370.041799] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 370.046815] ? smp_call_function_single_interrupt+0x650/0x650 [ 370.052705] ? ret_from_intr+0xb/0x1e [ 370.056511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.061534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.066380] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.071414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.076953] ? check_preemption_disabled+0x48/0x200 [ 370.081971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.087523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.092372] ? neigh_periodic_work+0x6bd/0xc60 [ 370.096960] do_softirq_own_stack+0x2a/0x40 [ 370.101283] [ 370.103526] do_softirq.part.13+0x126/0x160 [ 370.107854] __local_bh_enable_ip+0x21d/0x260 [ 370.112356] _raw_write_unlock_bh+0x30/0x40 [ 370.116682] neigh_periodic_work+0x6bd/0xc60 [ 370.121104] ? neigh_table_clear+0x390/0x390 [ 370.125519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.131057] ? check_preemption_disabled+0x48/0x200 [ 370.136072] ? check_preemption_disabled+0x48/0x200 [ 370.141104] ? __lock_is_held+0xb5/0x140 [ 370.145183] process_one_work+0xc90/0x1b90 [ 370.149416] ? mark_held_locks+0x130/0x130 [ 370.153662] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 370.158334] ? __switch_to_asm+0x40/0x70 [ 370.162397] ? __switch_to_asm+0x40/0x70 [ 370.166465] ? __switch_to_asm+0x34/0x70 [ 370.170533] ? __switch_to_asm+0x40/0x70 [ 370.174592] ? __switch_to_asm+0x34/0x70 [ 370.178654] ? __switch_to_asm+0x40/0x70 [ 370.182725] ? __switch_to_asm+0x34/0x70 [ 370.186794] ? __switch_to_asm+0x40/0x70 [ 370.190866] ? __schedule+0x874/0x1ed0 [ 370.194753] ? __switch_to_asm+0x34/0x70 [ 370.198814] ? __switch_to_asm+0x40/0x70 [ 370.202892] ? kasan_check_read+0x11/0x20 [ 370.207045] ? graph_lock+0x170/0x170 [ 370.210847] ? __sched_text_start+0x8/0x8 [ 370.215002] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.219594] ? retint_kernel+0x2d/0x2d [ 370.223499] ? find_held_lock+0x36/0x1c0 [ 370.227571] ? lock_acquire+0x1ed/0x520 [ 370.231557] ? worker_thread+0x3e0/0x1390 [ 370.235713] ? lock_release+0x970/0x970 [ 370.239689] ? trace_hardirqs_off+0xb8/0x310 [ 370.244097] ? kasan_check_read+0x11/0x20 [ 370.248245] ? worker_thread+0x3e0/0x1390 [ 370.252416] ? trace_hardirqs_on+0x310/0x310 [ 370.256830] ? kasan_check_write+0x14/0x20 [ 370.261066] ? do_raw_spin_lock+0xc1/0x200 [ 370.265312] worker_thread+0x17f/0x1390 [ 370.269287] ? __switch_to_asm+0x34/0x70 [ 370.273536] ? process_one_work+0x1b90/0x1b90 [ 370.278043] ? graph_lock+0x170/0x170 [ 370.281844] ? graph_lock+0x170/0x170 [ 370.285647] ? find_held_lock+0x36/0x1c0 [ 370.289721] ? find_held_lock+0x36/0x1c0 [ 370.293795] ? __kthread_parkme+0xce/0x1a0 [ 370.298034] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.303136] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.308242] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.312829] ? trace_hardirqs_on+0xbd/0x310 [ 370.317148] ? kasan_check_read+0x11/0x20 [ 370.321295] ? __kthread_parkme+0xce/0x1a0 [ 370.325534] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.330991] ? kasan_check_write+0x14/0x20 [ 370.335232] ? do_raw_spin_lock+0xc1/0x200 [ 370.339488] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.344596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.350135] ? __kthread_parkme+0xfb/0x1a0 [ 370.354379] kthread+0x35a/0x420 [ 370.357746] ? process_one_work+0x1b90/0x1b90 [ 370.362239] ? kthread_bind+0x40/0x40 [ 370.366502] ret_from_fork+0x3a/0x50 [ 370.370241] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 370.370253] warn_alloc_show_mem: 1 callbacks suppressed [ 370.370260] Mem-Info: [ 370.377636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.383012] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 370.383012] active_file:14 inactive_file:13 isolated_file:0 [ 370.383012] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.383012] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 370.383012] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 370.383012] free:13770 free_pcp:433 free_cma:0 [ 370.385388] Call Trace: [ 370.394772] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.428051] [ 370.430625] Node 0 [ 370.458206] dump_stack+0x1c4/0x2b4 [ 370.460356] 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 [ 370.462563] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.466163] lowmem_reserve[]: [ 370.491672] warn_alloc.cold.119+0xb7/0x1bd [ 370.496829] 0 [ 370.499932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.504221] 2819 6323 [ 370.506030] ? lock_downgrade+0x900/0x900 [ 370.510845] 6323 [ 370.513349] ? trace_hardirqs_off+0xb8/0x310 [ 370.517474] Node 0 [ 370.519538] ? trace_hardirqs_off+0xb8/0x310 [ 370.523943] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 370.526156] __alloc_pages_slowpath+0x2667/0x2d80 [ 370.530532] lowmem_reserve[]: [ 370.557530] ? warn_alloc+0x120/0x120 [ 370.562324] 0 [ 370.565423] ? warn_alloc+0x120/0x120 [ 370.569189] 0 3503 [ 370.570997] ? print_usage_bug+0xc0/0xc0 [ 370.574769] 3503 [ 370.577002] ? warn_alloc+0x120/0x120 [ 370.581042] Node 0 [ 370.583097] ? print_usage_bug+0xc0/0xc0 [ 370.586896] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 370.589098] ? __lock_acquire+0x7ec/0x4ec0 [ 370.593132] lowmem_reserve[]: [ 370.621672] ? __lock_acquire+0x7ec/0x4ec0 [ 370.625886] 0 [ 370.628992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.633188] 0 0 [ 370.634994] ? should_fail+0x22d/0xd01 [ 370.640502] 0 [ 370.642479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.648150] ? __lock_acquire+0x7ec/0x4ec0 [ 370.653225] Node 0 DMA: [ 370.657465] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.657482] ? __lock_acquire+0x7ec/0x4ec0 [ 370.660139] 1*4kB [ 370.665231] ? should_fail+0x22d/0xd01 [ 370.669438] (U) [ 370.671595] ? mark_held_locks+0x130/0x130 [ 370.675453] 0*8kB [ 370.677430] ? mark_held_locks+0x130/0x130 [ 370.681638] 0*16kB [ 370.683786] ? try_to_wake_up+0x10a/0x12f0 [ 370.687994] 1*32kB [ 370.690226] ? graph_lock+0x170/0x170 [ 370.694435] (U) [ 370.696676] ? print_usage_bug+0xc0/0xc0 [ 370.700721] 2*64kB [ 370.702691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.706723] (U) [ 370.708962] ? check_preemption_disabled+0x48/0x200 [ 370.714483] 1*128kB [ 370.716447] ? check_preemption_disabled+0x48/0x200 [ 370.721444] (U) [ 370.723778] ? __lock_is_held+0xb5/0x140 [ 370.728766] 1*256kB [ 370.730737] __alloc_pages_nodemask+0xa80/0xde0 [ 370.734768] (U) [ 370.737085] ? graph_lock+0x170/0x170 [ 370.741726] 0*512kB 1*1024kB [ 370.743709] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.747492] (U) [ 370.750592] ? graph_lock+0x170/0x170 [ 370.755588] 1*2048kB [ 370.757567] ? find_held_lock+0x36/0x1c0 [ 370.761332] (M) [ 370.763755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.767784] 3*4096kB [ 370.769755] ? lock_downgrade+0x900/0x900 [ 370.774398] (M) [ 370.776814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.780930] = 15908kB [ 370.782902] cache_grow_begin+0x91/0x8c0 [ 370.788409] Node 0 [ 370.790813] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.794840] DMA32: 5*4kB [ 370.797083] fallback_alloc+0x203/0x2e0 [ 370.801467] (UMH) [ 370.804226] ____cache_alloc_node+0x1c7/0x1e0 [ 370.808169] 2*8kB (MH) [ 370.810323] kmem_cache_alloc_node+0xe3/0x730 [ 370.814791] 3*16kB [ 370.817372] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.821842] (MH) [ 370.824083] __alloc_skb+0x119/0x770 [ 370.828281] 3*32kB (MH) [ 370.830347] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.834050] 5*64kB [ 370.836712] ? skb_scrub_packet+0x490/0x490 [ 370.841964] (MH) [ 370.844198] ? lock_downgrade+0x900/0x900 [ 370.848495] 3*128kB (M) [ 370.850564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.854682] 5*256kB [ 370.857346] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.862852] (UMH) [ 370.865168] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.870592] 5*512kB [ 370.872738] ? addrconf_rs_timer+0x690/0x690 [ 370.878160] (UMH) [ 370.880491] ndisc_alloc_skb+0x144/0x340 [ 370.884866] 4*1024kB (UMH) [ 370.887021] ndisc_send_rs+0x331/0x6e0 [ 370.891054] 2*2048kB (M) [ 370.893994] addrconf_rs_timer+0x314/0x690 [ 370.897852] 3*4096kB [ 370.900612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.904822] (M) [ 370.907237] call_timer_fn+0x272/0x920 [ 370.911439] = 25204kB [ 370.913411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.917275] Node 0 [ 370.919680] ? process_timeout+0x40/0x40 [ 370.923880] Normal: 990*4kB [ 370.926123] ? find_held_lock+0x36/0x1c0 [ 370.930157] (UMEH) [ 370.933173] ? __run_timers+0x7da/0xc70 [ 370.937206] 505*8kB [ 370.939438] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.943382] (MEH) [ 370.945701] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.950170] 189*16kB [ 370.952314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.956784] (MEH) [ 370.959187] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.963398] 66*32kB [ 370.965541] ? trace_hardirqs_on+0xbd/0x310 [ 370.970098] (UMH) [ 370.972419] ? kasan_check_read+0x11/0x20 [ 370.976711] 0*64kB [ 370.978861] ? __run_timers+0x7da/0xc70 [ 370.982988] 1*128kB [ 370.985222] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.989172] (H) [ 370.991498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.996920] 1*256kB [ 370.998889] __run_timers+0x7e5/0xc70 [ 371.003274] (H) [ 371.005602] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.009360] 1*512kB (H) [ 371.011341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.016677] 0*1024kB [ 371.019343] ? graph_lock+0x170/0x170 [ 371.024333] 0*2048kB [ 371.026739] ? enqueue_hrtimer+0x1a5/0x560 [ 371.030520] 0*4096kB [ 371.032922] ? lock_release+0x970/0x970 [ 371.037153] = 14032kB [ 371.039556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.043517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 371.045918] ? find_held_lock+0x36/0x1c0 [ 371.051088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 371.059924] ? graph_lock+0x170/0x170 [ 371.063959] 5170 total pagecache pages [ 371.072541] ? pvclock_read_flags+0x160/0x160 [ 371.076321] 0 pages in swap cache [ 371.080198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.084663] Swap cache stats: add 0, delete 0, find 0/0 [ 371.084672] Free swap = 0kB [ 371.088119] ? check_preemption_disabled+0x48/0x200 [ 371.093627] Total swap = 0kB [ 371.098997] ? __lock_is_held+0xb5/0x140 [ 371.102327] 1965979 pages RAM [ 371.107338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.110326] 0 pages HighMem/MovableOnly [ 371.110335] 342306 pages reserved [ 371.114392] ? check_preemption_disabled+0x48/0x200 [ 371.117482] 0 pages cma reserved [ 371.123012] run_timer_softirq+0x52/0xb0 [ 371.127025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.130408] ? rcu_read_lock_sched_held+0x108/0x120 [ 371.135515] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.138759] __do_softirq+0x30b/0xad8 [ 371.142794] kworker/0:2 cpuset= [ 371.149293] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 371.154276] / [ 371.164580] ? pvclock_read_flags+0x160/0x160 [ 371.168354] mems_allowed=0 [ 371.171623] ? lapic_next_event+0x5a/0x90 [ 371.189943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.195490] ? check_preemption_disabled+0x48/0x200 [ 371.200506] ? check_preemption_disabled+0x48/0x200 [ 371.205533] ? kvm_clock_read+0x18/0x30 [ 371.209512] ? kvm_sched_clock_read+0x9/0x20 [ 371.213928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.219473] ? check_preemption_disabled+0x48/0x200 [ 371.224506] irq_exit+0x17f/0x1c0 [ 371.227963] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.232807] ? smp_reschedule_interrupt+0x109/0x650 [ 371.237826] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.243714] ? interrupt_entry+0xb5/0xf0 [ 371.247777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.252796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.257812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.262659] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.267672] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.272689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.278229] ? check_preemption_disabled+0x48/0x200 [ 371.283244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.288789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.293640] apic_timer_interrupt+0xf/0x20 [ 371.297870] [ 371.300112] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.305046] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 371.323943] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.331661] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.338928] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 371.346193] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 371.353466] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.360734] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 371.368066] skb_clone+0x1bb/0x500 [ 371.371626] ? finish_task_switch+0x2f5/0x900 [ 371.376124] ? skb_split+0x11e0/0x11e0 [ 371.380013] ? preempt_notifier_register+0x200/0x200 [ 371.385119] ? __switch_to_asm+0x34/0x70 [ 371.389184] ? __switch_to_asm+0x34/0x70 [ 371.393246] ? __switch_to_asm+0x40/0x70 [ 371.397310] ? __switch_to_asm+0x34/0x70 [ 371.401369] ? __switch_to_asm+0x40/0x70 [ 371.405429] ? __switch_to_asm+0x34/0x70 [ 371.409499] ? __switch_to_asm+0x40/0x70 [ 371.413560] ? __switch_to_asm+0x34/0x70 [ 371.417621] ? __switch_to_asm+0x34/0x70 [ 371.421680] ? __switch_to_asm+0x40/0x70 [ 371.425739] ? __switch_to_asm+0x34/0x70 [ 371.429809] bpf_clone_redirect+0xb9/0x490 [ 371.434048] ? __schedule+0x874/0x1ed0 [ 371.437949] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 371.442973] ? __sched_text_start+0x8/0x8 [ 371.447140] ? find_held_lock+0x36/0x1c0 [ 371.451211] ? lock_acquire+0x1ed/0x520 [ 371.455191] ? bpf_test_run+0x3cb/0x780 [ 371.459166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.464712] ? check_preemption_disabled+0x48/0x200 [ 371.469735] ? kasan_check_read+0x11/0x20 [ 371.473887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.479170] ? rcu_bh_qs+0xc0/0xc0 [ 371.482722] ? preempt_schedule+0x4d/0x60 [ 371.486871] ? ___preempt_schedule+0x16/0x18 [ 371.491287] ? bpf_test_run+0x25d/0x780 [ 371.495272] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.500196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.505745] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 371.510515] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.515355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.520914] ? fput+0x130/0x1a0 [ 371.524201] ? __bpf_prog_get+0x9b/0x290 [ 371.528267] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.533106] ? bpf_prog_test_run+0x130/0x1a0 [ 371.537519] ? __x64_sys_bpf+0x3d8/0x520 [ 371.541583] ? bpf_prog_get+0x20/0x20 [ 371.545414] ? do_syscall_64+0x1b9/0x820 [ 371.549496] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.554862] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.559797] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.564816] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.569831] ? recalc_sigpending_tsk+0x180/0x180 [ 371.574594] ? kasan_check_write+0x14/0x20 [ 371.578838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.583695] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.589080] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 371.589179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.596185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.596207] Workqueue: events_power_efficient neigh_periodic_work [ 371.596215] Call Trace: [ 371.596226] [ 371.602800] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.612056] dump_stack+0x1c4/0x2b4 [ 371.618276] syz-executor2 cpuset= [ 371.620855] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.622983] syz2 [ 371.633483] warn_alloc.cold.119+0xb7/0x1bd [ 371.637073] mems_allowed=0 [ 371.640515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.659691] ? lock_downgrade+0x900/0x900 [ 371.663851] ? trace_hardirqs_off+0xb8/0x310 [ 371.668265] ? trace_hardirqs_off+0xb8/0x310 [ 371.672682] __alloc_pages_slowpath+0x2667/0x2d80 [ 371.677557] ? warn_alloc+0x120/0x120 [ 371.681365] ? trace_hardirqs_on+0x310/0x310 [ 371.685777] ? warn_alloc+0x120/0x120 [ 371.689580] ? print_usage_bug+0xc0/0xc0 [ 371.693656] ? warn_alloc+0x120/0x120 [ 371.697465] ? ktime_get+0x2e1/0x440 [ 371.701190] ? print_usage_bug+0xc0/0xc0 [ 371.705253] ? __lock_acquire+0x7ec/0x4ec0 [ 371.709495] ? __lock_acquire+0x7ec/0x4ec0 [ 371.713741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.719277] ? should_fail+0x22d/0xd01 [ 371.723165] ? __lock_acquire+0x7ec/0x4ec0 [ 371.727407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.732511] ? __lock_acquire+0x7ec/0x4ec0 [ 371.736751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.741850] ? __lock_acquire+0x7ec/0x4ec0 [ 371.746085] ? should_fail+0x22d/0xd01 [ 371.749989] ? mark_held_locks+0x130/0x130 [ 371.754232] ? mark_held_locks+0x130/0x130 [ 371.758489] ? graph_lock+0x170/0x170 [ 371.762293] ? print_usage_bug+0xc0/0xc0 [ 371.766373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.771914] ? check_preemption_disabled+0x48/0x200 [ 371.776932] ? check_preemption_disabled+0x48/0x200 [ 371.781963] ? __lock_is_held+0xb5/0x140 [ 371.786033] __alloc_pages_nodemask+0xa80/0xde0 [ 371.790704] ? graph_lock+0x170/0x170 [ 371.794517] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.799533] ? graph_lock+0x170/0x170 [ 371.803349] ? find_held_lock+0x36/0x1c0 [ 371.807427] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.812104] ? lock_downgrade+0x900/0x900 [ 371.816261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.821802] cache_grow_begin+0x91/0x8c0 [ 371.825864] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.830284] fallback_alloc+0x203/0x2e0 [ 371.834265] ____cache_alloc_node+0x1c7/0x1e0 [ 371.838771] kmem_cache_alloc_node+0xe3/0x730 [ 371.843271] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.847527] __alloc_skb+0x119/0x770 [ 371.851247] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.856531] ? skb_scrub_packet+0x490/0x490 [ 371.860854] ? lock_downgrade+0x900/0x900 [ 371.865014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.870552] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.876008] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.881468] ? addrconf_rs_timer+0x690/0x690 [ 371.885897] ndisc_alloc_skb+0x144/0x340 [ 371.889964] ndisc_send_rs+0x331/0x6e0 [ 371.893862] addrconf_rs_timer+0x314/0x690 [ 371.898100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.902356] call_timer_fn+0x272/0x920 [ 371.906244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.910493] ? process_timeout+0x40/0x40 [ 371.914554] ? find_held_lock+0x36/0x1c0 [ 371.918627] ? mark_held_locks+0xc7/0x130 [ 371.922782] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.927276] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.931786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.936020] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 371.940603] ? trace_hardirqs_on+0xbd/0x310 [ 371.944924] ? kasan_check_read+0x11/0x20 [ 371.949071] ? __run_timers+0x7da/0xc70 [ 371.953048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.958514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.962756] __run_timers+0x7e5/0xc70 [ 371.966576] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.971939] ? lock_downgrade+0x900/0x900 [ 371.976101] ? print_usage_bug+0xc0/0xc0 [ 371.980162] ? trace_hardirqs_on+0x310/0x310 [ 371.984583] ? kvm_clock_read+0x18/0x30 [ 371.988557] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.993578] ? graph_lock+0x170/0x170 [ 371.997385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.002925] ? check_preemption_disabled+0x48/0x200 [ 372.007955] ? __lock_is_held+0xb5/0x140 [ 372.012018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.017556] ? check_preemption_disabled+0x48/0x200 [ 372.022582] run_timer_softirq+0x52/0xb0 [ 372.026642] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.031658] __do_softirq+0x30b/0xad8 [ 372.035485] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.040596] ? irq_exit+0xbd/0x1c0 [ 372.044139] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.049157] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.055044] ? ret_from_intr+0xb/0x1e [ 372.058850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.063867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.068719] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.073735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.079279] ? check_preemption_disabled+0x48/0x200 [ 372.084296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.089848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.094698] ? neigh_periodic_work+0x6bd/0xc60 [ 372.099288] do_softirq_own_stack+0x2a/0x40 [ 372.103606] [ 372.105849] do_softirq.part.13+0x126/0x160 [ 372.110170] __local_bh_enable_ip+0x21d/0x260 [ 372.114674] _raw_write_unlock_bh+0x30/0x40 [ 372.118998] neigh_periodic_work+0x6bd/0xc60 [ 372.123419] ? neigh_table_clear+0x390/0x390 [ 372.127833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.133373] ? check_preemption_disabled+0x48/0x200 [ 372.138393] ? check_preemption_disabled+0x48/0x200 [ 372.143421] ? __lock_is_held+0xb5/0x140 [ 372.147511] process_one_work+0xc90/0x1b90 [ 372.151753] ? mark_held_locks+0x130/0x130 [ 372.155997] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 372.160667] ? __switch_to_asm+0x40/0x70 [ 372.164754] ? __switch_to_asm+0x40/0x70 [ 372.168815] ? __switch_to_asm+0x34/0x70 [ 372.172880] ? __switch_to_asm+0x40/0x70 [ 372.176940] ? __switch_to_asm+0x34/0x70 [ 372.181011] ? __switch_to_asm+0x40/0x70 [ 372.185074] ? __switch_to_asm+0x34/0x70 [ 372.189136] ? __switch_to_asm+0x40/0x70 [ 372.193207] ? __schedule+0x874/0x1ed0 [ 372.197095] ? __switch_to_asm+0x34/0x70 [ 372.201160] ? __switch_to_asm+0x40/0x70 [ 372.205251] ? kasan_check_read+0x11/0x20 [ 372.209403] ? graph_lock+0x170/0x170 [ 372.213211] ? __sched_text_start+0x8/0x8 [ 372.217366] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.221952] ? retint_kernel+0x2d/0x2d [ 372.225843] ? find_held_lock+0x36/0x1c0 [ 372.229913] ? lock_acquire+0x1ed/0x520 [ 372.233886] ? worker_thread+0x3e0/0x1390 [ 372.238044] ? lock_release+0x970/0x970 [ 372.242020] ? trace_hardirqs_off+0xb8/0x310 [ 372.246429] ? kasan_check_read+0x11/0x20 [ 372.250584] ? worker_thread+0x3e0/0x1390 [ 372.254731] ? trace_hardirqs_on+0x310/0x310 [ 372.259142] ? kasan_check_write+0x14/0x20 [ 372.263380] ? do_raw_spin_lock+0xc1/0x200 [ 372.267624] worker_thread+0x17f/0x1390 [ 372.271604] ? __switch_to_asm+0x34/0x70 [ 372.275678] ? process_one_work+0x1b90/0x1b90 [ 372.280180] ? graph_lock+0x170/0x170 [ 372.283986] ? graph_lock+0x170/0x170 [ 372.287790] ? find_held_lock+0x36/0x1c0 [ 372.291911] ? find_held_lock+0x36/0x1c0 [ 372.295980] ? __kthread_parkme+0xce/0x1a0 [ 372.300220] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.305324] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.310425] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.315018] ? trace_hardirqs_on+0xbd/0x310 [ 372.319340] ? kasan_check_read+0x11/0x20 [ 372.323501] ? __kthread_parkme+0xce/0x1a0 [ 372.327738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.333190] ? kasan_check_write+0x14/0x20 [ 372.337427] ? do_raw_spin_lock+0xc1/0x200 [ 372.341676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.346780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.352314] ? __kthread_parkme+0xfb/0x1a0 [ 372.356554] kthread+0x35a/0x420 [ 372.359924] ? process_one_work+0x1b90/0x1b90 [ 372.364416] ? kthread_bind+0x40/0x40 [ 372.368669] ret_from_fork+0x3a/0x50 [ 372.372409] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 372.372415] warn_alloc_show_mem: 1 callbacks suppressed [ 372.372422] Mem-Info: [ 372.379790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.385156] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 372.385156] active_file:14 inactive_file:13 isolated_file:0 [ 372.385156] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.385156] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 372.385156] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 372.385156] free:13770 free_pcp:433 free_cma:0 [ 372.387530] Call Trace: [ 372.396915] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.429928] [ 372.432502] Node 0 [ 372.460094] dump_stack+0x1c4/0x2b4 [ 372.462245] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 372.464451] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.468058] lowmem_reserve[]: [ 372.493564] warn_alloc.cold.119+0xb7/0x1bd [ 372.498719] 0 [ 372.501820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.506113] 2819 [ 372.507917] ? lock_downgrade+0x900/0x900 [ 372.512736] 6323 [ 372.514800] ? trace_hardirqs_off+0xb8/0x310 [ 372.518918] 6323 [ 372.520986] ? trace_hardirqs_off+0xb8/0x310 [ 372.525360] Node 0 [ 372.527421] __alloc_pages_slowpath+0x2667/0x2d80 [ 372.531826] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 372.534060] ? warn_alloc+0x120/0x120 [ 372.538849] lowmem_reserve[]: [ 372.565832] ? trace_hardirqs_on+0x310/0x310 [ 372.569606] 0 [ 372.572706] ? warn_alloc+0x120/0x120 [ 372.577078] 0 3503 [ 372.578886] ? print_usage_bug+0xc0/0xc0 [ 372.582652] 3503 [ 372.584894] ? warn_alloc+0x120/0x120 [ 372.588927] Node 0 [ 372.590991] ? ktime_get+0x2e1/0x440 [ 372.594783] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 372.596994] ? print_usage_bug+0xc0/0xc0 [ 372.600675] lowmem_reserve[]: [ 372.629221] ? __lock_acquire+0x7ec/0x4ec0 [ 372.633259] 0 [ 372.636357] ? __lock_acquire+0x7ec/0x4ec0 [ 372.640569] 0 [ 372.642370] ? kasan_check_read+0x11/0x20 [ 372.646573] 0 0 [ 372.648381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.654489] ? should_fail+0x22d/0xd01 [ 372.660006] Node 0 [ 372.663890] ? rcu_bh_qs+0xc0/0xc0 [ 372.663899] DMA: [ 372.666135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.669661] 1*4kB [ 372.671719] ? __lock_acquire+0x7ec/0x4ec0 [ 372.676796] (U) [ 372.678945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.683154] 0*8kB [ 372.685123] ? __lock_acquire+0x7ec/0x4ec0 [ 372.690199] 0*16kB 1*32kB [ 372.692350] ? should_fail+0x22d/0xd01 [ 372.696559] (U) [ 372.699403] ? rcu_idle_enter+0x4b0/0x4b0 [ 372.703256] 2*64kB (U) [ 372.705238] ? mark_held_locks+0x130/0x130 [ 372.709351] 1*128kB (U) [ 372.711944] ? mark_held_locks+0x130/0x130 [ 372.716154] 1*256kB [ 372.718836] ? mark_held_locks+0xc7/0x130 [ 372.723044] (U) [ 372.725394] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.729515] 0*512kB [ 372.731499] ? graph_lock+0x170/0x170 [ 372.736496] 1*1024kB (U) [ 372.738821] ? print_usage_bug+0xc0/0xc0 [ 372.742600] 1*2048kB [ 372.745353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.749386] (M) [ 372.751795] ? check_preemption_disabled+0x48/0x200 [ 372.757302] 3*4096kB [ 372.759273] ? check_preemption_disabled+0x48/0x200 [ 372.764267] (M) [ 372.766681] ? __lock_is_held+0xb5/0x140 [ 372.771661] = 15908kB [ 372.771670] Node 0 [ 372.773646] __alloc_pages_nodemask+0xa80/0xde0 [ 372.777672] DMA32: 5*4kB [ 372.780083] ? graph_lock+0x170/0x170 [ 372.782296] (UMH) [ 372.786959] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.789684] 2*8kB (MH) [ 372.793496] ? graph_lock+0x170/0x170 [ 372.795622] 3*16kB (MH) [ 372.800646] ? find_held_lock+0x36/0x1c0 [ 372.803193] 3*32kB (MH) [ 372.807003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.809633] 5*64kB (MH) [ 372.813697] ? lock_downgrade+0x900/0x900 [ 372.816344] 3*128kB [ 372.821009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.823650] (M) [ 372.827790] cache_grow_begin+0x91/0x8c0 [ 372.830085] 5*256kB (UMH) [ 372.835623] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.837567] 5*512kB (UMH) [ 372.841637] fallback_alloc+0x203/0x2e0 [ 372.844453] 4*1024kB [ 372.848864] ____cache_alloc_node+0x1c7/0x1e0 [ 372.851678] (UMH) [ 372.855648] kmem_cache_alloc_node+0xe3/0x730 [ 372.858026] 2*2048kB (M) [ 372.862529] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.864647] 3*4096kB (M) [ 372.869150] __alloc_skb+0x119/0x770 [ 372.871877] = 25204kB [ 372.876111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.878841] Node 0 [ 372.882550] ? skb_scrub_packet+0x490/0x490 [ 372.884937] Normal: [ 372.890211] ? lock_downgrade+0x900/0x900 [ 372.892427] 990*4kB [ 372.896744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.899040] (UMEH) [ 372.903182] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.905489] 505*8kB (MEH) [ 372.911031] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.913238] 189*16kB (MEH) [ 372.918689] ? addrconf_rs_timer+0x690/0x690 [ 372.921506] 66*32kB (UMH) [ 372.926964] ndisc_alloc_skb+0x144/0x340 [ 372.929861] 0*64kB 1*128kB [ 372.934275] ndisc_send_rs+0x331/0x6e0 [ 372.937095] (H) [ 372.941152] addrconf_rs_timer+0x314/0x690 [ 372.944054] 1*256kB (H) [ 372.947945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.949893] 1*512kB (H) [ 372.954150] call_timer_fn+0x272/0x920 [ 372.956785] 0*1024kB [ 372.961016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.963666] 0*2048kB [ 372.967546] ? process_timeout+0x40/0x40 [ 372.969934] 0*4096kB [ 372.974162] ? find_held_lock+0x36/0x1c0 [ 372.976550] = 14032kB [ 372.980606] ? __run_timers+0x7da/0xc70 [ 372.982997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.987049] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.989442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.993414] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.002223] 5170 total pagecache pages [ 373.006708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.015267] 0 pages in swap cache [ 373.019749] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.023613] Swap cache stats: add 0, delete 0, find 0/0 [ 373.027838] ? trace_hardirqs_on+0xbd/0x310 [ 373.031269] Free swap = 0kB [ 373.035844] ? kasan_check_read+0x11/0x20 [ 373.041178] Total swap = 0kB [ 373.045497] ? __run_timers+0x7da/0xc70 [ 373.045514] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.048512] 1965979 pages RAM [ 373.052653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.055644] 0 pages HighMem/MovableOnly [ 373.059610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.065030] 342306 pages reserved [ 373.065038] 0 pages cma reserved [ 373.068158] __run_timers+0x7e5/0xc70 [ 373.072431] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.076341] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.080599] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.083993] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.087330] kworker/0:2 cpuset= [ 373.091121] ? graph_lock+0x170/0x170 [ 373.097586] / [ 373.102940] ? enqueue_hrtimer+0x1a5/0x560 [ 373.113231] mems_allowed=0 [ 373.118234] ? lock_release+0x970/0x970 [ 373.138083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.143284] ? find_held_lock+0x36/0x1c0 [ 373.147353] ? graph_lock+0x170/0x170 [ 373.151155] ? pvclock_read_flags+0x160/0x160 [ 373.155652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.161192] ? check_preemption_disabled+0x48/0x200 [ 373.166221] ? __lock_is_held+0xb5/0x140 [ 373.170288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.175830] ? check_preemption_disabled+0x48/0x200 [ 373.180860] run_timer_softirq+0x52/0xb0 [ 373.184928] ? rcu_read_lock_sched_held+0x108/0x120 [ 373.189954] __do_softirq+0x30b/0xad8 [ 373.193774] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 373.198885] ? pvclock_read_flags+0x160/0x160 [ 373.203382] ? lapic_next_event+0x5a/0x90 [ 373.207535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.213075] ? check_preemption_disabled+0x48/0x200 [ 373.218093] ? check_preemption_disabled+0x48/0x200 [ 373.223115] ? kvm_clock_read+0x18/0x30 [ 373.227097] ? kvm_sched_clock_read+0x9/0x20 [ 373.231508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.237048] ? check_preemption_disabled+0x48/0x200 [ 373.242078] irq_exit+0x17f/0x1c0 [ 373.245532] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.250377] ? smp_reschedule_interrupt+0x109/0x650 [ 373.255399] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.261285] ? interrupt_entry+0xb5/0xf0 [ 373.265350] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.270369] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.275390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.280240] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.285256] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.290277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.295815] ? check_preemption_disabled+0x48/0x200 [ 373.300834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.306383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.311239] apic_timer_interrupt+0xf/0x20 [ 373.315476] [ 373.317723] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.322653] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 373.341562] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.349270] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.356539] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 373.363805] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 373.371075] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.378341] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 373.385657] skb_clone+0x1bb/0x500 [ 373.389203] ? finish_task_switch+0x2f5/0x900 [ 373.393703] ? skb_split+0x11e0/0x11e0 [ 373.397596] ? preempt_notifier_register+0x200/0x200 [ 373.402705] ? __switch_to_asm+0x34/0x70 [ 373.406774] ? __switch_to_asm+0x34/0x70 [ 373.410836] ? __switch_to_asm+0x40/0x70 [ 373.414897] ? __switch_to_asm+0x34/0x70 [ 373.418958] ? __switch_to_asm+0x40/0x70 [ 373.423024] ? __switch_to_asm+0x34/0x70 [ 373.427090] ? __switch_to_asm+0x40/0x70 [ 373.431149] ? __switch_to_asm+0x34/0x70 [ 373.435221] ? __switch_to_asm+0x34/0x70 [ 373.439281] ? __switch_to_asm+0x40/0x70 [ 373.443341] ? __switch_to_asm+0x34/0x70 [ 373.447411] bpf_clone_redirect+0xb9/0x490 [ 373.451654] ? __schedule+0x874/0x1ed0 [ 373.455555] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 373.460576] ? __sched_text_start+0x8/0x8 [ 373.464746] ? find_held_lock+0x36/0x1c0 [ 373.468814] ? lock_acquire+0x1ed/0x520 [ 373.472788] ? bpf_test_run+0x3cb/0x780 [ 373.476762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.482305] ? check_preemption_disabled+0x48/0x200 [ 373.487329] ? kasan_check_read+0x11/0x20 [ 373.491502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.497313] ? rcu_bh_qs+0xc0/0xc0 [ 373.500860] ? preempt_schedule+0x4d/0x60 [ 373.505012] ? ___preempt_schedule+0x16/0x18 [ 373.509434] ? bpf_test_run+0x25d/0x780 [ 373.513428] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.517850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.523399] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 373.528168] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.533014] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.538552] ? fput+0x130/0x1a0 [ 373.541835] ? __bpf_prog_get+0x9b/0x290 [ 373.545901] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.550741] ? bpf_prog_test_run+0x130/0x1a0 [ 373.555157] ? __x64_sys_bpf+0x3d8/0x520 [ 373.559219] ? bpf_prog_get+0x20/0x20 [ 373.563044] ? do_syscall_64+0x1b9/0x820 [ 373.567106] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.572482] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.577420] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.582453] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 373.587494] ? recalc_sigpending_tsk+0x180/0x180 [ 373.592255] ? kasan_check_write+0x14/0x20 [ 373.596503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.601358] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.606746] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 373.606827] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.613847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.613868] Workqueue: events_power_efficient neigh_periodic_work [ 373.613877] Call Trace: [ 373.613892] [ 373.620426] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.629721] dump_stack+0x1c4/0x2b4 [ 373.635936] syz-executor2 cpuset= [ 373.638519] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.640642] syz2 [ 373.651133] warn_alloc.cold.119+0xb7/0x1bd [ 373.654727] mems_allowed=0 [ 373.658174] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.677362] ? lock_downgrade+0x900/0x900 [ 373.681526] ? trace_hardirqs_off+0xb8/0x310 [ 373.685943] ? trace_hardirqs_off+0xb8/0x310 [ 373.690363] __alloc_pages_slowpath+0x2667/0x2d80 [ 373.695245] ? warn_alloc+0x120/0x120 [ 373.699054] ? warn_alloc+0x120/0x120 [ 373.702859] ? print_usage_bug+0xc0/0xc0 [ 373.706926] ? warn_alloc+0x120/0x120 [ 373.710733] ? print_usage_bug+0xc0/0xc0 [ 373.714798] ? __lock_acquire+0x7ec/0x4ec0 [ 373.719037] ? __lock_acquire+0x7ec/0x4ec0 [ 373.723275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.728812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.734352] ? should_fail+0x22d/0xd01 [ 373.738247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.743354] ? __lock_acquire+0x7ec/0x4ec0 [ 373.747596] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.752697] ? __lock_acquire+0x7ec/0x4ec0 [ 373.756933] ? should_fail+0x22d/0xd01 [ 373.760837] ? mark_held_locks+0x130/0x130 [ 373.765077] ? mark_held_locks+0x130/0x130 [ 373.769318] ? graph_lock+0x170/0x170 [ 373.773146] ? print_usage_bug+0xc0/0xc0 [ 373.777211] ? graph_lock+0x170/0x170 [ 373.781014] ? print_usage_bug+0xc0/0xc0 [ 373.785076] ? wq_watchdog_touch+0x9c/0xfe [ 373.789311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.794850] ? check_preemption_disabled+0x48/0x200 [ 373.799867] ? check_preemption_disabled+0x48/0x200 [ 373.804897] ? __lock_is_held+0xb5/0x140 [ 373.808972] __alloc_pages_nodemask+0xa80/0xde0 [ 373.813644] ? graph_lock+0x170/0x170 [ 373.817454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.822497] ? graph_lock+0x170/0x170 [ 373.826311] ? find_held_lock+0x36/0x1c0 [ 373.830386] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.835059] ? lock_downgrade+0x900/0x900 [ 373.839227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.844773] cache_grow_begin+0x91/0x8c0 [ 373.848840] ? do_raw_spin_unlock+0xa7/0x2f0 [ 373.853263] fallback_alloc+0x203/0x2e0 [ 373.857249] ____cache_alloc_node+0x1c7/0x1e0 [ 373.861755] kmem_cache_alloc_node+0xe3/0x730 [ 373.866253] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.870512] __alloc_skb+0x119/0x770 [ 373.874230] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.879518] ? skb_scrub_packet+0x490/0x490 [ 373.883844] ? lock_downgrade+0x900/0x900 [ 373.888002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.893546] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.899016] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.904475] ? addrconf_rs_timer+0x690/0x690 [ 373.908907] ndisc_alloc_skb+0x144/0x340 [ 373.912989] ndisc_send_rs+0x331/0x6e0 [ 373.916893] addrconf_rs_timer+0x314/0x690 [ 373.921137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.925394] call_timer_fn+0x272/0x920 [ 373.929281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.933535] ? process_timeout+0x40/0x40 [ 373.937597] ? find_held_lock+0x36/0x1c0 [ 373.941671] ? mark_held_locks+0xc7/0x130 [ 373.945837] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.950333] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.954832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.959070] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.963656] ? trace_hardirqs_on+0xbd/0x310 [ 373.967979] ? kasan_check_read+0x11/0x20 [ 373.972129] ? __run_timers+0x7da/0xc70 [ 373.976108] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.981568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.985812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.990049] __run_timers+0x7e5/0xc70 [ 373.993866] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.999230] ? lock_downgrade+0x900/0x900 [ 374.003394] ? print_usage_bug+0xc0/0xc0 [ 374.007454] ? trace_hardirqs_on+0x310/0x310 [ 374.011886] ? kvm_clock_read+0x18/0x30 [ 374.015862] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 374.020885] ? graph_lock+0x170/0x170 [ 374.024694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.030238] ? check_preemption_disabled+0x48/0x200 [ 374.035270] ? __lock_is_held+0xb5/0x140 [ 374.039335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.044879] ? check_preemption_disabled+0x48/0x200 [ 374.049904] run_timer_softirq+0x52/0xb0 [ 374.053966] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.058985] __do_softirq+0x30b/0xad8 [ 374.062799] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.067903] ? irq_exit+0xbd/0x1c0 [ 374.071446] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 374.076491] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.082380] ? ret_from_intr+0xb/0x1e [ 374.086189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.091212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.096059] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.101118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.106660] ? check_preemption_disabled+0x48/0x200 [ 374.111678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.117228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.122076] ? neigh_periodic_work+0x6bd/0xc60 [ 374.126665] do_softirq_own_stack+0x2a/0x40 [ 374.130980] [ 374.133224] do_softirq.part.13+0x126/0x160 [ 374.137556] __local_bh_enable_ip+0x21d/0x260 [ 374.142060] _raw_write_unlock_bh+0x30/0x40 [ 374.146389] neigh_periodic_work+0x6bd/0xc60 [ 374.150814] ? neigh_table_clear+0x390/0x390 [ 374.155230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.160770] ? check_preemption_disabled+0x48/0x200 [ 374.165793] ? check_preemption_disabled+0x48/0x200 [ 374.170824] ? __lock_is_held+0xb5/0x140 [ 374.174908] process_one_work+0xc90/0x1b90 [ 374.179146] ? mark_held_locks+0x130/0x130 [ 374.183397] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 374.188073] ? __switch_to_asm+0x40/0x70 [ 374.192142] ? __switch_to_asm+0x40/0x70 [ 374.196205] ? __switch_to_asm+0x34/0x70 [ 374.200268] ? __switch_to_asm+0x40/0x70 [ 374.204328] ? __switch_to_asm+0x34/0x70 [ 374.208402] ? __switch_to_asm+0x40/0x70 [ 374.212470] ? __switch_to_asm+0x34/0x70 [ 374.216553] ? __switch_to_asm+0x40/0x70 [ 374.220634] ? __schedule+0x874/0x1ed0 [ 374.224525] ? __switch_to_asm+0x34/0x70 [ 374.228588] ? __switch_to_asm+0x40/0x70 [ 374.232665] ? kasan_check_read+0x11/0x20 [ 374.236825] ? graph_lock+0x170/0x170 [ 374.240644] ? __sched_text_start+0x8/0x8 [ 374.244797] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.249382] ? retint_kernel+0x2d/0x2d [ 374.253278] ? find_held_lock+0x36/0x1c0 [ 374.257347] ? lock_acquire+0x1ed/0x520 [ 374.261325] ? worker_thread+0x3e0/0x1390 [ 374.265493] ? lock_release+0x970/0x970 [ 374.269499] ? trace_hardirqs_off+0xb8/0x310 [ 374.273913] ? kasan_check_read+0x11/0x20 [ 374.278062] ? worker_thread+0x3e0/0x1390 [ 374.282211] ? trace_hardirqs_on+0x310/0x310 [ 374.286643] ? kasan_check_write+0x14/0x20 [ 374.290879] ? do_raw_spin_lock+0xc1/0x200 [ 374.295124] worker_thread+0x17f/0x1390 [ 374.299104] ? __switch_to_asm+0x34/0x70 [ 374.303178] ? process_one_work+0x1b90/0x1b90 [ 374.307683] ? graph_lock+0x170/0x170 [ 374.311496] ? graph_lock+0x170/0x170 [ 374.315301] ? find_held_lock+0x36/0x1c0 [ 374.319376] ? find_held_lock+0x36/0x1c0 [ 374.323448] ? __kthread_parkme+0xce/0x1a0 [ 374.327702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.332811] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.338003] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.342590] ? trace_hardirqs_on+0xbd/0x310 [ 374.346912] ? kasan_check_read+0x11/0x20 [ 374.351063] ? __kthread_parkme+0xce/0x1a0 [ 374.355306] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.360766] ? kasan_check_write+0x14/0x20 [ 374.365488] ? do_raw_spin_lock+0xc1/0x200 [ 374.369753] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.374862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.380400] ? __kthread_parkme+0xfb/0x1a0 [ 374.384642] kthread+0x35a/0x420 [ 374.388009] ? process_one_work+0x1b90/0x1b90 [ 374.392513] ? kthread_bind+0x40/0x40 [ 374.396320] ret_from_fork+0x3a/0x50 [ 374.400507] warn_alloc_show_mem: 1 callbacks suppressed [ 374.400519] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 374.400520] Mem-Info: [ 374.400551] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 374.400551] active_file:14 inactive_file:13 isolated_file:0 [ 374.400551] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.400551] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 374.400551] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 374.400551] free:13770 free_pcp:433 free_cma:0 [ 374.405898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.413261] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.415664] Call Trace: [ 374.448793] Node 0 [ 374.458143] [ 374.485736] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 374.488303] dump_stack+0x1c4/0x2b4 [ 374.490507] lowmem_reserve[]: [ 374.492657] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.518139] 0 [ 374.521777] warn_alloc.cold.119+0xb7/0x1bd [ 374.524846] 2819 [ 374.530031] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.531808] 6323 [ 374.536130] ? lock_downgrade+0x900/0x900 [ 374.538191] 6323 [ 374.543040] ? trace_hardirqs_off+0xb8/0x310 [ 374.549222] ? trace_hardirqs_off+0xb8/0x310 [ 374.551259] Node 0 [ 374.555671] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.560073] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 374.562306] ? warn_alloc+0x120/0x120 [ 374.567093] lowmem_reserve[]: 0 [ 374.594076] ? lock_release+0x970/0x970 [ 374.597857] 0 [ 374.601129] ? warn_alloc+0x120/0x120 [ 374.605081] 3503 [ 374.606881] ? print_usage_bug+0xc0/0xc0 [ 374.610655] 3503 [ 374.612711] ? warn_alloc+0x120/0x120 [ 374.616753] Node 0 [ 374.618812] ? print_usage_bug+0xc0/0xc0 [ 374.622614] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 374.624824] ? __lock_acquire+0x7ec/0x4ec0 [ 374.628852] lowmem_reserve[]: 0 [ 374.657404] ? __lock_acquire+0x7ec/0x4ec0 [ 374.661616] 0 [ 374.664893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.669100] 0 [ 374.670904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.676413] 0 [ 374.678210] ? should_fail+0x22d/0xd01 [ 374.683722] Node 0 [ 374.685525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.689388] DMA: [ 374.691624] ? __lock_acquire+0x7ec/0x4ec0 [ 374.696705] 1*4kB [ 374.698765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.703326] (U) [ 374.705498] ? __lock_acquire+0x7ec/0x4ec0 [ 374.710578] 0*8kB [ 374.712562] ? should_fail+0x22d/0xd01 [ 374.716766] 0*16kB 1*32kB [ 374.718927] ? mark_held_locks+0x130/0x130 [ 374.722781] (U) [ 374.725626] ? mark_held_locks+0x130/0x130 [ 374.729828] 2*64kB (U) [ 374.731824] ? graph_lock+0x170/0x170 [ 374.736036] 1*128kB [ 374.738616] ? print_usage_bug+0xc0/0xc0 [ 374.742391] (U) [ 374.744714] ? graph_lock+0x170/0x170 [ 374.748751] 1*256kB [ 374.750728] ? print_usage_bug+0xc0/0xc0 [ 374.754504] (U) [ 374.756834] ? wq_watchdog_touch+0x9c/0xfe [ 374.760892] 0*512kB [ 374.762866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.767088] 1*1024kB (U) [ 374.769427] ? check_preemption_disabled+0x48/0x200 [ 374.774939] 1*2048kB [ 374.777697] ? check_preemption_disabled+0x48/0x200 [ 374.782683] (M) [ 374.785100] ? __lock_is_held+0xb5/0x140 [ 374.790083] 3*4096kB [ 374.792062] __alloc_pages_nodemask+0xa80/0xde0 [ 374.796093] (M) [ 374.798500] ? graph_lock+0x170/0x170 [ 374.803497] = 15908kB [ 374.805480] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.809265] Node 0 [ 374.811670] ? graph_lock+0x170/0x170 [ 374.816662] DMA32: [ 374.818902] ? find_held_lock+0x36/0x1c0 [ 374.822670] 5*4kB [ 374.824906] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.828965] (UMH) [ 374.831119] ? lock_downgrade+0x900/0x900 [ 374.835783] 2*8kB [ 374.837932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.842051] (MH) [ 374.844200] cache_grow_begin+0x91/0x8c0 [ 374.849711] 3*16kB [ 374.851776] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.855812] (MH) [ 374.858061] fallback_alloc+0x203/0x2e0 [ 374.862433] 3*32kB [ 374.864509] ____cache_alloc_node+0x1c7/0x1e0 [ 374.868450] (MH) [ 374.870693] kmem_cache_alloc_node+0xe3/0x730 [ 374.875164] 5*64kB [ 374.877224] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.881689] (MH) [ 374.883927] __alloc_skb+0x119/0x770 [ 374.888125] 3*128kB (M) [ 374.890196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.893880] 5*256kB (UMH) [ 374.896557] ? skb_scrub_packet+0x490/0x490 [ 374.901832] 5*512kB [ 374.904674] ? lock_downgrade+0x900/0x900 [ 374.908968] (UMH) [ 374.911296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.915411] 4*1024kB (UMH) [ 374.917569] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.923081] 2*2048kB (M) [ 374.926016] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.931435] 3*4096kB (M) [ 374.934216] ? addrconf_rs_timer+0x690/0x690 [ 374.939645] = 25204kB [ 374.942415] ndisc_alloc_skb+0x144/0x340 [ 374.946792] Node 0 [ 374.949197] ndisc_send_rs+0x331/0x6e0 [ 374.953225] Normal: 990*4kB [ 374.955476] addrconf_rs_timer+0x314/0x690 [ 374.959343] (UMEH) 505*8kB [ 374.962368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.966599] (MEH) [ 374.969537] call_timer_fn+0x272/0x920 [ 374.973737] 189*16kB [ 374.975878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.979740] (MEH) [ 374.982148] ? process_timeout+0x40/0x40 [ 374.986353] 66*32kB (UMH) [ 374.988507] ? find_held_lock+0x36/0x1c0 [ 374.992543] 0*64kB [ 374.995385] ? __run_timers+0x7da/0xc70 [ 374.999434] 1*128kB [ 375.001675] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.005624] (H) [ 375.007943] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.012407] 1*256kB (H) [ 375.014409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.018880] 1*512kB [ 375.021546] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.025748] (H) 0*1024kB [ 375.028079] ? trace_hardirqs_on+0xbd/0x310 [ 375.032636] 0*2048kB [ 375.035391] ? kasan_check_read+0x11/0x20 [ 375.039685] 0*4096kB [ 375.042089] ? __run_timers+0x7da/0xc70 [ 375.046218] = 14032kB [ 375.048624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.052579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.054985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.060413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.069239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.073452] 5170 total pagecache pages [ 375.082034] __run_timers+0x7e5/0xc70 [ 375.086254] 0 pages in swap cache [ 375.090144] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.093902] Swap cache stats: add 0, delete 0, find 0/0 [ 375.093911] Free swap = 0kB [ 375.097361] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 375.102698] Total swap = 0kB [ 375.108061] ? graph_lock+0x170/0x170 [ 375.111059] 1965979 pages RAM [ 375.116070] ? enqueue_hrtimer+0x1a5/0x560 [ 375.119076] 0 pages HighMem/MovableOnly [ 375.122873] ? lock_release+0x970/0x970 [ 375.125951] 342306 pages reserved [ 375.125960] 0 pages cma reserved [ 375.130204] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 375.134229] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.138130] ? find_held_lock+0x36/0x1c0 [ 375.141648] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.144918] ? graph_lock+0x170/0x170 [ 375.150086] kworker/0:2 cpuset= [ 375.156577] ? pvclock_read_flags+0x160/0x160 [ 375.160609] / [ 375.170916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.174692] mems_allowed=0 [ 375.177965] ? check_preemption_disabled+0x48/0x200 [ 375.197628] ? __lock_is_held+0xb5/0x140 [ 375.201693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.207241] ? check_preemption_disabled+0x48/0x200 [ 375.212270] run_timer_softirq+0x52/0xb0 [ 375.216335] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.221361] __do_softirq+0x30b/0xad8 [ 375.225178] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.230291] ? pvclock_read_flags+0x160/0x160 [ 375.234792] ? lapic_next_event+0x5a/0x90 [ 375.238948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.244499] ? check_preemption_disabled+0x48/0x200 [ 375.249517] ? check_preemption_disabled+0x48/0x200 [ 375.254542] ? kvm_clock_read+0x18/0x30 [ 375.258523] ? kvm_sched_clock_read+0x9/0x20 [ 375.262939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.268503] ? check_preemption_disabled+0x48/0x200 [ 375.273550] irq_exit+0x17f/0x1c0 [ 375.277014] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.281854] ? smp_reschedule_interrupt+0x109/0x650 [ 375.286872] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.292763] ? interrupt_entry+0xb5/0xf0 [ 375.296826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.301844] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.306869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.311718] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.316734] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.321752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.327294] ? check_preemption_disabled+0x48/0x200 [ 375.332310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.337858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.342716] apic_timer_interrupt+0xf/0x20 [ 375.346949] [ 375.349215] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 375.354145] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 375.373045] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 375.380757] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 375.388030] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 375.395301] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 375.402574] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 375.409842] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 375.417176] skb_clone+0x1bb/0x500 [ 375.420725] ? finish_task_switch+0x2f5/0x900 [ 375.425225] ? skb_split+0x11e0/0x11e0 [ 375.429119] ? preempt_notifier_register+0x200/0x200 [ 375.434225] ? __switch_to_asm+0x34/0x70 [ 375.438290] ? __switch_to_asm+0x34/0x70 [ 375.442361] ? __switch_to_asm+0x40/0x70 [ 375.446425] ? __switch_to_asm+0x34/0x70 [ 375.450499] ? __switch_to_asm+0x40/0x70 [ 375.454566] ? __switch_to_asm+0x34/0x70 [ 375.458630] ? __switch_to_asm+0x40/0x70 [ 375.462690] ? __switch_to_asm+0x34/0x70 [ 375.466751] ? __switch_to_asm+0x34/0x70 [ 375.470820] ? __switch_to_asm+0x40/0x70 [ 375.474883] ? __switch_to_asm+0x34/0x70 [ 375.478959] bpf_clone_redirect+0xb9/0x490 [ 375.483205] ? __schedule+0x874/0x1ed0 [ 375.487116] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 375.492152] ? __sched_text_start+0x8/0x8 [ 375.496317] ? find_held_lock+0x36/0x1c0 [ 375.500882] ? lock_acquire+0x1ed/0x520 [ 375.504858] ? bpf_test_run+0x3cb/0x780 [ 375.508868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.514420] ? check_preemption_disabled+0x48/0x200 [ 375.519473] ? kasan_check_read+0x11/0x20 [ 375.523629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.528907] ? rcu_bh_qs+0xc0/0xc0 [ 375.532449] ? preempt_schedule+0x4d/0x60 [ 375.536611] ? ___preempt_schedule+0x16/0x18 [ 375.541032] ? bpf_test_run+0x25d/0x780 [ 375.545028] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.549441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.554999] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 375.559778] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.564625] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.570172] ? fput+0x130/0x1a0 [ 375.573453] ? __bpf_prog_get+0x9b/0x290 [ 375.577530] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.582375] ? bpf_prog_test_run+0x130/0x1a0 [ 375.586788] ? __x64_sys_bpf+0x3d8/0x520 [ 375.590849] ? bpf_prog_get+0x20/0x20 [ 375.594672] ? do_syscall_64+0x1b9/0x820 [ 375.598736] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.604102] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.609037] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.614083] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.619127] ? recalc_sigpending_tsk+0x180/0x180 [ 375.623901] ? kasan_check_write+0x14/0x20 [ 375.628149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.633007] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.638401] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 375.638499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.645507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.645529] Workqueue: events_power_efficient neigh_periodic_work [ 375.645537] Call Trace: [ 375.645545] [ 375.645564] dump_stack+0x1c4/0x2b4 [ 375.652192] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.661393] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.667599] syz-executor2 cpuset= [ 375.670191] warn_alloc.cold.119+0xb7/0x1bd [ 375.672309] syz2 [ 375.675930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.686399] mems_allowed=0 [ 375.691585] ? lock_downgrade+0x900/0x900 [ 375.713197] ? trace_hardirqs_off+0xb8/0x310 [ 375.717621] ? trace_hardirqs_off+0xb8/0x310 [ 375.722046] __alloc_pages_slowpath+0x2667/0x2d80 [ 375.726926] ? warn_alloc+0x120/0x120 [ 375.730729] ? trace_hardirqs_on+0x310/0x310 [ 375.735172] ? warn_alloc+0x120/0x120 [ 375.739068] ? print_usage_bug+0xc0/0xc0 [ 375.743133] ? warn_alloc+0x120/0x120 [ 375.746963] ? ktime_get+0x2e1/0x440 [ 375.750683] ? print_usage_bug+0xc0/0xc0 [ 375.754755] ? __lock_acquire+0x7ec/0x4ec0 [ 375.758993] ? __lock_acquire+0x7ec/0x4ec0 [ 375.763234] ? kasan_check_read+0x11/0x20 [ 375.767395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.772938] ? should_fail+0x22d/0xd01 [ 375.776840] ? rcu_bh_qs+0xc0/0xc0 [ 375.780393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.785506] ? __lock_acquire+0x7ec/0x4ec0 [ 375.789758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.794864] ? __lock_acquire+0x7ec/0x4ec0 [ 375.799100] ? should_fail+0x22d/0xd01 [ 375.803013] ? rcu_idle_enter+0x4b0/0x4b0 [ 375.807176] ? mark_held_locks+0x130/0x130 [ 375.811417] ? mark_held_locks+0x130/0x130 [ 375.815659] ? mark_held_locks+0xc7/0x130 [ 375.819810] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 375.824825] ? graph_lock+0x170/0x170 [ 375.828627] ? print_usage_bug+0xc0/0xc0 [ 375.832698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.838239] ? check_preemption_disabled+0x48/0x200 [ 375.843267] ? check_preemption_disabled+0x48/0x200 [ 375.848298] ? __lock_is_held+0xb5/0x140 [ 375.852370] __alloc_pages_nodemask+0xa80/0xde0 [ 375.857042] ? graph_lock+0x170/0x170 [ 375.860851] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.865867] ? graph_lock+0x170/0x170 [ 375.869682] ? find_held_lock+0x36/0x1c0 [ 375.873753] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.878428] ? lock_downgrade+0x900/0x900 [ 375.882679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.888427] cache_grow_begin+0x91/0x8c0 [ 375.892511] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.896934] fallback_alloc+0x203/0x2e0 [ 375.900916] ____cache_alloc_node+0x1c7/0x1e0 [ 375.905418] kmem_cache_alloc_node+0xe3/0x730 [ 375.909923] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.914183] __alloc_skb+0x119/0x770 [ 375.917928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.923212] ? skb_scrub_packet+0x490/0x490 [ 375.927539] ? lock_downgrade+0x900/0x900 [ 375.931714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.937258] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.942719] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.948174] ? addrconf_rs_timer+0x690/0x690 [ 375.952609] ndisc_alloc_skb+0x144/0x340 [ 375.956676] ndisc_send_rs+0x331/0x6e0 [ 375.960571] addrconf_rs_timer+0x314/0x690 [ 375.964858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.969113] call_timer_fn+0x272/0x920 [ 375.972998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.977240] ? process_timeout+0x40/0x40 [ 375.981302] ? find_held_lock+0x36/0x1c0 [ 375.985372] ? mark_held_locks+0xc7/0x130 [ 375.989530] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.994024] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.998521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.002756] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 376.007342] ? trace_hardirqs_on+0xbd/0x310 [ 376.011671] ? kasan_check_read+0x11/0x20 [ 376.015832] ? __run_timers+0x7da/0xc70 [ 376.019815] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.025271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.029519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.033764] __run_timers+0x7e5/0xc70 [ 376.037584] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 376.042950] ? lock_downgrade+0x900/0x900 [ 376.047110] ? print_usage_bug+0xc0/0xc0 [ 376.051174] ? trace_hardirqs_on+0x310/0x310 [ 376.055599] ? kvm_clock_read+0x18/0x30 [ 376.059575] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.064606] ? graph_lock+0x170/0x170 [ 376.068416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.073956] ? check_preemption_disabled+0x48/0x200 [ 376.078983] ? __lock_is_held+0xb5/0x140 [ 376.083046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.088592] ? check_preemption_disabled+0x48/0x200 [ 376.093738] run_timer_softirq+0x52/0xb0 [ 376.097833] ? rcu_read_lock_sched_held+0x108/0x120 [ 376.102880] __do_softirq+0x30b/0xad8 [ 376.106700] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 376.111802] ? irq_exit+0xbd/0x1c0 [ 376.115345] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.120371] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.126261] ? ret_from_intr+0xb/0x1e [ 376.130067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.135089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.139938] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.144957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.150506] ? check_preemption_disabled+0x48/0x200 [ 376.155524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.161074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.165941] ? neigh_periodic_work+0x6bd/0xc60 [ 376.170526] do_softirq_own_stack+0x2a/0x40 [ 376.174841] [ 376.177084] do_softirq.part.13+0x126/0x160 [ 376.181423] __local_bh_enable_ip+0x21d/0x260 [ 376.185936] _raw_write_unlock_bh+0x30/0x40 [ 376.190267] neigh_periodic_work+0x6bd/0xc60 [ 376.194691] ? neigh_table_clear+0x390/0x390 [ 376.199112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.204654] ? check_preemption_disabled+0x48/0x200 [ 376.209674] ? check_preemption_disabled+0x48/0x200 [ 376.214713] ? __lock_is_held+0xb5/0x140 [ 376.218802] process_one_work+0xc90/0x1b90 [ 376.223042] ? mark_held_locks+0x130/0x130 [ 376.227291] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 376.231963] ? __switch_to_asm+0x40/0x70 [ 376.236036] ? __switch_to_asm+0x40/0x70 [ 376.240095] ? __switch_to_asm+0x34/0x70 [ 376.244157] ? __switch_to_asm+0x40/0x70 [ 376.248225] ? __switch_to_asm+0x34/0x70 [ 376.252287] ? __switch_to_asm+0x40/0x70 [ 376.256346] ? __switch_to_asm+0x34/0x70 [ 376.260408] ? __switch_to_asm+0x40/0x70 [ 376.264513] ? __schedule+0x874/0x1ed0 [ 376.268401] ? __switch_to_asm+0x34/0x70 [ 376.272472] ? __switch_to_asm+0x40/0x70 [ 376.276556] ? kasan_check_read+0x11/0x20 [ 376.280707] ? graph_lock+0x170/0x170 [ 376.284520] ? __sched_text_start+0x8/0x8 [ 376.288678] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.293262] ? retint_kernel+0x2d/0x2d [ 376.297158] ? find_held_lock+0x36/0x1c0 [ 376.301226] ? lock_acquire+0x1ed/0x520 [ 376.305199] ? worker_thread+0x3e0/0x1390 [ 376.309352] ? lock_release+0x970/0x970 [ 376.313329] ? trace_hardirqs_off+0xb8/0x310 [ 376.317740] ? kasan_check_read+0x11/0x20 [ 376.321889] ? worker_thread+0x3e0/0x1390 [ 376.326043] ? trace_hardirqs_on+0x310/0x310 [ 376.330468] ? kasan_check_write+0x14/0x20 [ 376.334714] ? do_raw_spin_lock+0xc1/0x200 [ 376.338975] worker_thread+0x17f/0x1390 [ 376.342956] ? __switch_to_asm+0x34/0x70 [ 376.347031] ? process_one_work+0x1b90/0x1b90 [ 376.351535] ? graph_lock+0x170/0x170 [ 376.355348] ? graph_lock+0x170/0x170 [ 376.359150] ? find_held_lock+0x36/0x1c0 [ 376.363224] ? find_held_lock+0x36/0x1c0 [ 376.367832] ? __kthread_parkme+0xce/0x1a0 [ 376.372076] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.377182] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.382290] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.386915] ? trace_hardirqs_on+0xbd/0x310 [ 376.391242] ? kasan_check_read+0x11/0x20 [ 376.395400] ? __kthread_parkme+0xce/0x1a0 [ 376.399639] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.405107] ? kasan_check_write+0x14/0x20 [ 376.409350] ? do_raw_spin_lock+0xc1/0x200 [ 376.413598] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.418705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.424242] ? __kthread_parkme+0xfb/0x1a0 [ 376.428494] kthread+0x35a/0x420 [ 376.431865] ? process_one_work+0x1b90/0x1b90 [ 376.436357] ? kthread_bind+0x40/0x40 [ 376.440179] ret_from_fork+0x3a/0x50 [ 376.443918] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 376.443924] warn_alloc_show_mem: 1 callbacks suppressed [ 376.443931] Mem-Info: [ 376.451290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.456664] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 376.456664] active_file:14 inactive_file:13 isolated_file:0 [ 376.456664] unevictable:0 dirty:0 writeback:0 unstable:0 [ 376.456664] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 376.456664] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 376.456664] free:13770 free_pcp:433 free_cma:0 [ 376.459036] Call Trace: [ 376.468434] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 376.501464] [ 376.504042] Node 0 [ 376.531648] dump_stack+0x1c4/0x2b4 [ 376.533798] 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 [ 376.536010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.539613] lowmem_reserve[]: [ 376.565132] warn_alloc.cold.119+0xb7/0x1bd [ 376.570287] 0 [ 376.573401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.577698] 2819 [ 376.579512] ? lock_downgrade+0x900/0x900 [ 376.584327] 6323 [ 376.586388] ? trace_hardirqs_off+0xb8/0x310 [ 376.590555] 6323 [ 376.592622] ? trace_hardirqs_off+0xb8/0x310 [ 376.597008] Node 0 [ 376.599071] __alloc_pages_slowpath+0x2667/0x2d80 [ 376.603485] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 376.605713] ? warn_alloc+0x120/0x120 [ 376.610516] lowmem_reserve[]: [ 376.637498] ? warn_alloc+0x120/0x120 [ 376.641278] 0 [ 376.644383] ? print_usage_bug+0xc0/0xc0 [ 376.648162] 0 [ 376.649963] ? warn_alloc+0x120/0x120 [ 376.653998] 3503 [ 376.655794] ? print_usage_bug+0xc0/0xc0 [ 376.659573] 3503 [ 376.661632] ? warn_alloc+0x120/0x120 [ 376.667734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.671513] Node 0 [ 376.677039] ? should_fail+0x22d/0xd01 [ 376.677076] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 376.679283] ? __lock_acquire+0x7ec/0x4ec0 [ 376.683144] lowmem_reserve[]: [ 376.711684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.715891] 0 [ 376.718995] ? __lock_acquire+0x7ec/0x4ec0 [ 376.724075] 0 [ 376.725876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.730081] 0 0 [ 376.731891] ? __lock_acquire+0x7ec/0x4ec0 [ 376.738947] ? should_fail+0x22d/0xd01 [ 376.743159] Node 0 DMA: [ 376.747044] ? mark_held_locks+0x130/0x130 [ 376.747048] 1*4kB (U) [ 376.749726] ? mark_held_locks+0x130/0x130 [ 376.753935] 0*8kB [ 376.756431] ? mark_held_locks+0x130/0x130 [ 376.760641] 0*16kB [ 376.762786] ? graph_lock+0x170/0x170 [ 376.767023] 1*32kB (U) [ 376.769266] ? print_usage_bug+0xc0/0xc0 [ 376.773036] 2*64kB (U) [ 376.775623] ? mark_held_locks+0x130/0x130 [ 376.779653] 1*128kB (U) [ 376.782241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.786448] 1*256kB [ 376.789137] ? check_preemption_disabled+0x48/0x200 [ 376.794646] (U) [ 376.796987] ? check_preemption_disabled+0x48/0x200 [ 376.801971] 0*512kB [ 376.803954] ? __lock_is_held+0xb5/0x140 [ 376.808943] 1*1024kB [ 376.811262] __alloc_pages_nodemask+0xa80/0xde0 [ 376.815294] (U) [ 376.817700] ? graph_lock+0x170/0x170 [ 376.822351] 1*2048kB [ 376.824320] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.828093] (M) [ 376.830491] ? graph_lock+0x170/0x170 [ 376.830518] ? find_held_lock+0x36/0x1c0 [ 376.835499] 3*4096kB (M) [ 376.837492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.841262] = 15908kB [ 376.841270] Node 0 [ 376.845323] ? lock_downgrade+0x900/0x900 [ 376.848057] DMA32: [ 376.852724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.855120] 5*4kB [ 376.857351] cache_grow_begin+0x91/0x8c0 [ 376.861485] (UMH) [ 376.863714] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.869223] 2*8kB (MH) [ 376.871379] fallback_alloc+0x203/0x2e0 [ 376.875416] 3*16kB [ 376.877567] ____cache_alloc_node+0x1c7/0x1e0 [ 376.881953] (MH) [ 376.884535] kmem_cache_alloc_node+0xe3/0x730 [ 376.888510] 3*32kB [ 376.890748] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.895225] (MH) [ 376.897291] __alloc_skb+0x119/0x770 [ 376.901766] 5*64kB [ 376.904010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.908213] (MH) 3*128kB [ 376.910284] ? skb_scrub_packet+0x490/0x490 [ 376.913965] (M) 5*256kB [ 376.916209] ? lock_downgrade+0x900/0x900 [ 376.921475] (UMH) [ 376.924237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.928532] 5*512kB [ 376.931198] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.935318] (UMH) [ 376.937471] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.942990] 4*1024kB [ 376.945311] ? addrconf_rs_timer+0x690/0x690 [ 376.950760] (UMH) [ 376.952912] ndisc_alloc_skb+0x144/0x340 [ 376.958322] 2*2048kB (M) [ 376.960747] ndisc_send_rs+0x331/0x6e0 [ 376.965131] 3*4096kB [ 376.967275] addrconf_rs_timer+0x314/0x690 [ 376.971314] (M) [ 376.974068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.977933] = 25204kB [ 376.980346] call_timer_fn+0x272/0x920 [ 376.984549] Node 0 [ 376.986522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.990744] Normal: [ 376.993146] ? process_timeout+0x40/0x40 [ 376.997020] 990*4kB [ 376.999254] ? find_held_lock+0x36/0x1c0 [ 377.003475] (UMEH) [ 377.005798] ? __run_timers+0x7da/0xc70 [ 377.009823] 505*8kB (MEH) [ 377.012156] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.016199] 189*16kB [ 377.018437] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.022389] (MEH) [ 377.025228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.029700] 66*32kB [ 377.032104] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 377.036572] (UMH) [ 377.038732] ? trace_hardirqs_on+0xbd/0x310 [ 377.042941] 0*64kB [ 377.045267] ? kasan_check_read+0x11/0x20 [ 377.049825] 1*128kB [ 377.051973] ? __run_timers+0x7da/0xc70 [ 377.056269] (H) [ 377.058497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.058519] ? tcp_compressed_ack_kick+0x220/0x220 [ 377.062645] 1*256kB [ 377.064962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.068912] (H) [ 377.070882] __run_timers+0x7e5/0xc70 [ 377.076305] 1*512kB (H) [ 377.081247] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.083534] 0*1024kB 0*2048kB [ 377.087776] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.089728] 0*4096kB [ 377.093524] ? graph_lock+0x170/0x170 [ 377.096169] = 14032kB [ 377.101535] ? enqueue_hrtimer+0x1a5/0x560 [ 377.104709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.109724] ? lock_release+0x970/0x970 [ 377.112117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.115903] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.118290] 5170 total pagecache pages [ 377.122520] ? find_held_lock+0x36/0x1c0 [ 377.131337] 0 pages in swap cache [ 377.135304] ? graph_lock+0x170/0x170 [ 377.143858] Swap cache stats: add 0, delete 0, find 0/0 [ 377.149041] ? pvclock_read_flags+0x160/0x160 [ 377.152903] Free swap = 0kB [ 377.156957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.160393] Total swap = 0kB [ 377.164191] ? check_preemption_disabled+0x48/0x200 [ 377.169528] 1965979 pages RAM [ 377.174033] ? __lock_is_held+0xb5/0x140 [ 377.177020] 0 pages HighMem/MovableOnly [ 377.177028] 342306 pages reserved [ 377.182560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.185551] 0 pages cma reserved [ 377.185629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.190574] ? check_preemption_disabled+0x48/0x200 [ 377.193746] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.197714] run_timer_softirq+0x52/0xb0 [ 377.201658] kworker/0:2 cpuset= [ 377.205105] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.210631] / [ 377.213995] __do_softirq+0x30b/0xad8 [ 377.220469] mems_allowed=0 [ 377.225491] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.261601] ? pvclock_read_flags+0x160/0x160 [ 377.266104] ? lapic_next_event+0x5a/0x90 [ 377.270256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.275800] ? check_preemption_disabled+0x48/0x200 [ 377.280818] ? check_preemption_disabled+0x48/0x200 [ 377.285842] ? kvm_clock_read+0x18/0x30 [ 377.289828] ? kvm_sched_clock_read+0x9/0x20 [ 377.294240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.299783] ? check_preemption_disabled+0x48/0x200 [ 377.304832] irq_exit+0x17f/0x1c0 [ 377.308290] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.313132] ? smp_reschedule_interrupt+0x109/0x650 [ 377.318159] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.324050] ? interrupt_entry+0xb5/0xf0 [ 377.328125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.333140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.338159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.343008] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.348025] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.353078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.358632] ? check_preemption_disabled+0x48/0x200 [ 377.363667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.369227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.374087] apic_timer_interrupt+0xf/0x20 [ 377.378316] [ 377.380558] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 377.385493] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 377.404409] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.412136] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 377.419406] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 377.426674] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 377.433943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 377.441210] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 377.448540] skb_clone+0x1bb/0x500 [ 377.452086] ? finish_task_switch+0x2f5/0x900 [ 377.456585] ? skb_split+0x11e0/0x11e0 [ 377.460485] ? preempt_notifier_register+0x200/0x200 [ 377.465595] ? __switch_to_asm+0x34/0x70 [ 377.469662] ? __switch_to_asm+0x34/0x70 [ 377.473724] ? __switch_to_asm+0x40/0x70 [ 377.477786] ? __switch_to_asm+0x34/0x70 [ 377.481848] ? __switch_to_asm+0x40/0x70 [ 377.485908] ? __switch_to_asm+0x34/0x70 [ 377.489973] ? __switch_to_asm+0x40/0x70 [ 377.494039] ? __switch_to_asm+0x34/0x70 [ 377.498613] ? __switch_to_asm+0x34/0x70 [ 377.502677] ? __switch_to_asm+0x40/0x70 [ 377.506737] ? __switch_to_asm+0x34/0x70 [ 377.510817] bpf_clone_redirect+0xb9/0x490 [ 377.515054] ? __schedule+0x874/0x1ed0 [ 377.518956] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 377.523990] ? __sched_text_start+0x8/0x8 [ 377.528156] ? find_held_lock+0x36/0x1c0 [ 377.532230] ? lock_acquire+0x1ed/0x520 [ 377.536205] ? bpf_test_run+0x3cb/0x780 [ 377.540195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.545739] ? check_preemption_disabled+0x48/0x200 [ 377.550774] ? kasan_check_read+0x11/0x20 [ 377.554929] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.560210] ? rcu_bh_qs+0xc0/0xc0 [ 377.563756] ? preempt_schedule+0x4d/0x60 [ 377.567905] ? ___preempt_schedule+0x16/0x18 [ 377.572327] ? bpf_test_run+0x25d/0x780 [ 377.576315] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.580740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.586288] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 377.591054] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.595899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.601695] ? fput+0x130/0x1a0 [ 377.604985] ? __bpf_prog_get+0x9b/0x290 [ 377.609050] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.613897] ? bpf_prog_test_run+0x130/0x1a0 [ 377.618313] ? __x64_sys_bpf+0x3d8/0x520 [ 377.622374] ? bpf_prog_get+0x20/0x20 [ 377.626207] ? do_syscall_64+0x1b9/0x820 [ 377.630272] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.635639] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.640574] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.645592] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.650609] ? recalc_sigpending_tsk+0x180/0x180 [ 377.655371] ? kasan_check_write+0x14/0x20 [ 377.659617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.664481] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.669869] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 377.669957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.676977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.676998] Workqueue: events_power_efficient neigh_periodic_work [ 377.677007] Call Trace: [ 377.677015] [ 377.677034] dump_stack+0x1c4/0x2b4 [ 377.683598] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.692885] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.699099] syz-executor2 cpuset= [ 377.701688] warn_alloc.cold.119+0xb7/0x1bd [ 377.703804] syz2 [ 377.707428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.717892] mems_allowed=0 [ 377.723093] ? lock_downgrade+0x900/0x900 [ 377.744691] ? trace_hardirqs_off+0xb8/0x310 [ 377.749107] ? trace_hardirqs_off+0xb8/0x310 [ 377.753543] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.758432] ? warn_alloc+0x120/0x120 [ 377.762241] ? trace_hardirqs_on+0x310/0x310 [ 377.766662] ? warn_alloc+0x120/0x120 [ 377.770477] ? print_usage_bug+0xc0/0xc0 [ 377.774550] ? warn_alloc+0x120/0x120 [ 377.778353] ? ktime_get+0x2e1/0x440 [ 377.782067] ? print_usage_bug+0xc0/0xc0 [ 377.786135] ? __lock_acquire+0x7ec/0x4ec0 [ 377.790373] ? __lock_acquire+0x7ec/0x4ec0 [ 377.794615] ? kasan_check_read+0x11/0x20 [ 377.798772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.804311] ? should_fail+0x22d/0xd01 [ 377.808200] ? rcu_bh_qs+0xc0/0xc0 [ 377.811749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.816852] ? __lock_acquire+0x7ec/0x4ec0 [ 377.821092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.826193] ? __lock_acquire+0x7ec/0x4ec0 [ 377.830425] ? should_fail+0x22d/0xd01 [ 377.834339] ? rcu_idle_enter+0x4b0/0x4b0 [ 377.838506] ? mark_held_locks+0x130/0x130 [ 377.842759] ? mark_held_locks+0x130/0x130 [ 377.847000] ? mark_held_locks+0xc7/0x130 [ 377.851170] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 377.856195] ? graph_lock+0x170/0x170 [ 377.859997] ? print_usage_bug+0xc0/0xc0 [ 377.864065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.869605] ? check_preemption_disabled+0x48/0x200 [ 377.874626] ? check_preemption_disabled+0x48/0x200 [ 377.879658] ? __lock_is_held+0xb5/0x140 [ 377.883732] __alloc_pages_nodemask+0xa80/0xde0 [ 377.888402] ? graph_lock+0x170/0x170 [ 377.892226] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.897239] ? graph_lock+0x170/0x170 [ 377.901052] ? find_held_lock+0x36/0x1c0 [ 377.905127] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.909796] ? lock_downgrade+0x900/0x900 [ 377.913953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.919510] cache_grow_begin+0x91/0x8c0 [ 377.923577] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.928007] fallback_alloc+0x203/0x2e0 [ 377.931991] ____cache_alloc_node+0x1c7/0x1e0 [ 377.936509] kmem_cache_alloc_node+0xe3/0x730 [ 377.941007] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.945254] __alloc_skb+0x119/0x770 [ 377.948970] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.954254] ? skb_scrub_packet+0x490/0x490 [ 377.958580] ? lock_downgrade+0x900/0x900 [ 377.962738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.968279] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.973743] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.979196] ? addrconf_rs_timer+0x690/0x690 [ 377.983620] ndisc_alloc_skb+0x144/0x340 [ 377.987688] ndisc_send_rs+0x331/0x6e0 [ 377.991588] addrconf_rs_timer+0x314/0x690 [ 377.995828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.000097] call_timer_fn+0x272/0x920 [ 378.004000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.008241] ? process_timeout+0x40/0x40 [ 378.012333] ? find_held_lock+0x36/0x1c0 [ 378.016403] ? mark_held_locks+0xc7/0x130 [ 378.020561] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.025056] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.029550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.033791] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.038379] ? trace_hardirqs_on+0xbd/0x310 [ 378.042704] ? kasan_check_read+0x11/0x20 [ 378.046855] ? __run_timers+0x7da/0xc70 [ 378.050830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.056288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.060564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.064801] __run_timers+0x7e5/0xc70 [ 378.068626] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.073997] ? lock_downgrade+0x900/0x900 [ 378.078158] ? print_usage_bug+0xc0/0xc0 [ 378.082221] ? trace_hardirqs_on+0x310/0x310 [ 378.086644] ? kvm_clock_read+0x18/0x30 [ 378.090619] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 378.095642] ? graph_lock+0x170/0x170 [ 378.099453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.105010] ? check_preemption_disabled+0x48/0x200 [ 378.110046] ? __lock_is_held+0xb5/0x140 [ 378.114113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.119655] ? check_preemption_disabled+0x48/0x200 [ 378.124683] run_timer_softirq+0x52/0xb0 [ 378.128746] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.133767] __do_softirq+0x30b/0xad8 [ 378.137601] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.142703] ? irq_exit+0xbd/0x1c0 [ 378.146247] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.151267] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.157154] ? ret_from_intr+0xb/0x1e [ 378.160956] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.166003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.170849] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.175869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.181429] ? check_preemption_disabled+0x48/0x200 [ 378.186454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.192018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.196868] ? neigh_periodic_work+0x6bd/0xc60 [ 378.201455] do_softirq_own_stack+0x2a/0x40 [ 378.205794] [ 378.208037] do_softirq.part.13+0x126/0x160 [ 378.212362] __local_bh_enable_ip+0x21d/0x260 [ 378.216866] _raw_write_unlock_bh+0x30/0x40 [ 378.221194] neigh_periodic_work+0x6bd/0xc60 [ 378.225621] ? neigh_table_clear+0x390/0x390 [ 378.230036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.235576] ? check_preemption_disabled+0x48/0x200 [ 378.240594] ? check_preemption_disabled+0x48/0x200 [ 378.245624] ? __lock_is_held+0xb5/0x140 [ 378.249705] process_one_work+0xc90/0x1b90 [ 378.253943] ? mark_held_locks+0x130/0x130 [ 378.258192] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 378.262862] ? __switch_to_asm+0x40/0x70 [ 378.266930] ? __switch_to_asm+0x40/0x70 [ 378.270994] ? __switch_to_asm+0x34/0x70 [ 378.275059] ? __switch_to_asm+0x40/0x70 [ 378.279120] ? __switch_to_asm+0x34/0x70 [ 378.283181] ? __switch_to_asm+0x40/0x70 [ 378.287241] ? __switch_to_asm+0x34/0x70 [ 378.291302] ? __switch_to_asm+0x40/0x70 [ 378.295393] ? __schedule+0x874/0x1ed0 [ 378.299287] ? __switch_to_asm+0x34/0x70 [ 378.303352] ? __switch_to_asm+0x40/0x70 [ 378.307434] ? kasan_check_read+0x11/0x20 [ 378.311595] ? graph_lock+0x170/0x170 [ 378.315399] ? __sched_text_start+0x8/0x8 [ 378.319558] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.324153] ? retint_kernel+0x2d/0x2d [ 378.328045] ? find_held_lock+0x36/0x1c0 [ 378.332117] ? lock_acquire+0x1ed/0x520 [ 378.336091] ? worker_thread+0x3e0/0x1390 [ 378.340245] ? lock_release+0x970/0x970 [ 378.344230] ? trace_hardirqs_off+0xb8/0x310 [ 378.348644] ? kasan_check_read+0x11/0x20 [ 378.352792] ? worker_thread+0x3e0/0x1390 [ 378.356947] ? trace_hardirqs_on+0x310/0x310 [ 378.361362] ? kasan_check_write+0x14/0x20 [ 378.366067] ? do_raw_spin_lock+0xc1/0x200 [ 378.370310] worker_thread+0x17f/0x1390 [ 378.374320] ? __switch_to_asm+0x34/0x70 [ 378.378397] ? process_one_work+0x1b90/0x1b90 [ 378.382899] ? graph_lock+0x170/0x170 [ 378.386702] ? graph_lock+0x170/0x170 [ 378.390508] ? find_held_lock+0x36/0x1c0 [ 378.394587] ? find_held_lock+0x36/0x1c0 [ 378.398665] ? __kthread_parkme+0xce/0x1a0 [ 378.402907] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.408012] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.413116] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.417705] ? trace_hardirqs_on+0xbd/0x310 [ 378.422028] ? kasan_check_read+0x11/0x20 [ 378.426179] ? __kthread_parkme+0xce/0x1a0 [ 378.430419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.435888] ? kasan_check_write+0x14/0x20 [ 378.440148] ? do_raw_spin_lock+0xc1/0x200 [ 378.444407] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.449517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.455056] ? __kthread_parkme+0xfb/0x1a0 [ 378.459298] kthread+0x35a/0x420 [ 378.462667] ? process_one_work+0x1b90/0x1b90 [ 378.467175] ? kthread_bind+0x40/0x40 [ 378.470979] ret_from_fork+0x3a/0x50 [ 378.474713] warn_alloc_show_mem: 1 callbacks suppressed [ 378.474725] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 378.474727] Mem-Info: [ 378.474758] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 378.474758] active_file:14 inactive_file:13 isolated_file:0 [ 378.474758] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.474758] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 378.474758] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 378.474758] free:13770 free_pcp:433 free_cma:0 [ 378.480099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.487473] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.489869] Call Trace: [ 378.522918] Node 0 [ 378.532265] [ 378.559860] 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 [ 378.562424] dump_stack+0x1c4/0x2b4 [ 378.564626] lowmem_reserve[]: [ 378.566772] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.592243] 0 2819 [ 378.595887] warn_alloc.cold.119+0xb7/0x1bd [ 378.598972] 6323 [ 378.604172] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.606392] 6323 [ 378.610725] ? lock_downgrade+0x900/0x900 [ 378.617604] ? trace_hardirqs_off+0xb8/0x310 [ 378.619640] Node 0 [ 378.623784] ? trace_hardirqs_off+0xb8/0x310 [ 378.628190] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 378.630401] __alloc_pages_slowpath+0x2667/0x2d80 [ 378.634786] lowmem_reserve[]: [ 378.661805] ? warn_alloc+0x120/0x120 [ 378.666598] 0 [ 378.669704] ? trace_hardirqs_on+0x310/0x310 [ 378.673486] 0 3503 [ 378.675292] ? warn_alloc+0x120/0x120 [ 378.679679] 3503 [ 378.681911] ? print_usage_bug+0xc0/0xc0 [ 378.687740] ? warn_alloc+0x120/0x120 [ 378.691779] Node 0 [ 378.695572] ? ktime_get+0x2e1/0x440 [ 378.695608] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 378.697812] ? print_usage_bug+0xc0/0xc0 [ 378.701503] lowmem_reserve[]: [ 378.730063] ? __lock_acquire+0x7ec/0x4ec0 [ 378.734100] 0 [ 378.737199] ? __lock_acquire+0x7ec/0x4ec0 [ 378.741417] 0 0 [ 378.743227] ? kasan_check_read+0x11/0x20 [ 378.747437] 0 [ 378.749424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.753548] Node 0 [ 378.755347] ? should_fail+0x22d/0xd01 [ 378.760864] DMA: [ 378.763112] ? rcu_bh_qs+0xc0/0xc0 [ 378.766979] 1*4kB [ 378.769053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.772559] (U) [ 378.774712] ? __lock_acquire+0x7ec/0x4ec0 [ 378.779796] 0*8kB 0*16kB [ 378.781782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.785981] 1*32kB (U) [ 378.788747] ? __lock_acquire+0x7ec/0x4ec0 [ 378.793828] 2*64kB [ 378.796407] ? should_fail+0x22d/0xd01 [ 378.800617] (U) [ 378.802851] ? rcu_idle_enter+0x4b0/0x4b0 [ 378.806706] 1*128kB (U) [ 378.808691] ? mark_held_locks+0x130/0x130 [ 378.812812] 1*256kB [ 378.815483] ? mark_held_locks+0x130/0x130 [ 378.819696] (U) [ 378.822015] ? mark_held_locks+0xc7/0x130 [ 378.826222] 0*512kB 1*1024kB [ 378.828206] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.832326] (U) [ 378.835428] ? graph_lock+0x170/0x170 [ 378.840443] 1*2048kB [ 378.842425] ? print_usage_bug+0xc0/0xc0 [ 378.846227] (M) [ 378.848633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.852674] 3*4096kB [ 378.854647] ? check_preemption_disabled+0x48/0x200 [ 378.860158] (M) [ 378.862576] ? check_preemption_disabled+0x48/0x200 [ 378.867565] = 15908kB [ 378.869544] ? __lock_is_held+0xb5/0x140 [ 378.874531] Node 0 [ 378.876940] __alloc_pages_nodemask+0xa80/0xde0 [ 378.880970] DMA32: [ 378.883246] ? graph_lock+0x170/0x170 [ 378.887912] 5*4kB [ 378.890143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.893918] (UMH) [ 378.896062] ? graph_lock+0x170/0x170 [ 378.901068] 2*8kB (MH) [ 378.903258] ? find_held_lock+0x36/0x1c0 [ 378.907060] 3*16kB (MH) [ 378.909654] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.913708] 3*32kB (MH) [ 378.916381] ? lock_downgrade+0x900/0x900 [ 378.921019] 5*64kB (MH) [ 378.923697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.927834] 3*128kB (M) [ 378.930528] cache_grow_begin+0x91/0x8c0 [ 378.936033] 5*256kB (UMH) [ 378.938716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.942763] 5*512kB [ 378.945606] fallback_alloc+0x203/0x2e0 [ 378.949989] (UMH) [ 378.952320] ____cache_alloc_node+0x1c7/0x1e0 [ 378.956273] 4*1024kB [ 378.958429] kmem_cache_alloc_node+0xe3/0x730 [ 378.962895] (UMH) [ 378.965300] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.969773] 2*2048kB [ 378.971921] __alloc_skb+0x119/0x770 [ 378.976126] (M) [ 378.978535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.982221] 3*4096kB (M) [ 378.984201] ? skb_scrub_packet+0x490/0x490 [ 378.989452] = 25204kB [ 378.992209] ? lock_downgrade+0x900/0x900 [ 378.996509] Node 0 [ 378.998920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.003033] Normal: 990*4kB [ 379.005278] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.010786] (UMEH) [ 379.013815] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.019233] 505*8kB (MEH) [ 379.021502] ? addrconf_rs_timer+0x690/0x690 [ 379.026930] 189*16kB [ 379.029787] ndisc_alloc_skb+0x144/0x340 [ 379.034163] (MEH) [ 379.036569] ndisc_send_rs+0x331/0x6e0 [ 379.040620] 66*32kB [ 379.042774] addrconf_rs_timer+0x314/0x690 [ 379.046633] (UMH) [ 379.048957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.053165] 0*64kB [ 379.055318] call_timer_fn+0x272/0x920 [ 379.059519] 1*128kB [ 379.061759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.065624] (H) [ 379.067944] ? process_timeout+0x40/0x40 [ 379.072149] 1*256kB (H) [ 379.074142] ? find_held_lock+0x36/0x1c0 [ 379.078182] 1*512kB [ 379.080855] ? __run_timers+0x7da/0xc70 [ 379.084928] (H) [ 379.087251] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.091192] 0*1024kB 0*2048kB [ 379.093173] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.097644] 0*4096kB [ 379.100832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.105310] = 14032kB [ 379.107715] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 379.111961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.114362] ? trace_hardirqs_on+0xbd/0x310 [ 379.118925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.127753] ? kasan_check_read+0x11/0x20 [ 379.132048] 5170 total pagecache pages [ 379.140619] ? __run_timers+0x7da/0xc70 [ 379.144753] 0 pages in swap cache [ 379.148628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.152580] Swap cache stats: add 0, delete 0, find 0/0 [ 379.156026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.161451] Free swap = 0kB [ 379.166816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.171023] Total swap = 0kB [ 379.174041] __run_timers+0x7e5/0xc70 [ 379.178255] 1965979 pages RAM [ 379.181277] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 379.185045] 0 pages HighMem/MovableOnly [ 379.188150] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.193490] 342306 pages reserved [ 379.193499] 0 pages cma reserved [ 379.197478] ? graph_lock+0x170/0x170 [ 379.202604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.205973] ? enqueue_hrtimer+0x1a5/0x560 [ 379.209378] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.213109] ? lock_release+0x970/0x970 [ 379.219580] kworker/0:2 cpuset= [ 379.223814] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.234101] / [ 379.238077] ? find_held_lock+0x36/0x1c0 [ 379.241333] mems_allowed=0 [ 379.246517] ? graph_lock+0x170/0x170 [ 379.258964] ? pvclock_read_flags+0x160/0x160 [ 379.263475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.269017] ? check_preemption_disabled+0x48/0x200 [ 379.274058] ? __lock_is_held+0xb5/0x140 [ 379.278120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.283679] ? check_preemption_disabled+0x48/0x200 [ 379.288709] run_timer_softirq+0x52/0xb0 [ 379.292789] ? rcu_read_lock_sched_held+0x108/0x120 [ 379.297813] __do_softirq+0x30b/0xad8 [ 379.301626] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 379.306738] ? pvclock_read_flags+0x160/0x160 [ 379.311254] ? lapic_next_event+0x5a/0x90 [ 379.315402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.320940] ? check_preemption_disabled+0x48/0x200 [ 379.325961] ? check_preemption_disabled+0x48/0x200 [ 379.331010] ? kvm_clock_read+0x18/0x30 [ 379.334990] ? kvm_sched_clock_read+0x9/0x20 [ 379.339402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.344942] ? check_preemption_disabled+0x48/0x200 [ 379.349974] irq_exit+0x17f/0x1c0 [ 379.353444] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.358297] ? smp_reschedule_interrupt+0x109/0x650 [ 379.363315] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.369202] ? interrupt_entry+0xb5/0xf0 [ 379.373284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.378306] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.383326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.388168] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.393211] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.398229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.403776] ? check_preemption_disabled+0x48/0x200 [ 379.408795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.414352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.419219] apic_timer_interrupt+0xf/0x20 [ 379.423449] [ 379.425706] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.430638] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 379.449566] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.457283] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.464558] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 379.471836] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 379.479106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 379.486388] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 379.493709] skb_clone+0x1bb/0x500 [ 379.497418] ? finish_task_switch+0x2f5/0x900 [ 379.501919] ? skb_split+0x11e0/0x11e0 [ 379.505810] ? preempt_notifier_register+0x200/0x200 [ 379.510915] ? __switch_to_asm+0x34/0x70 [ 379.515024] ? __switch_to_asm+0x34/0x70 [ 379.519087] ? __switch_to_asm+0x40/0x70 [ 379.523148] ? __switch_to_asm+0x34/0x70 [ 379.527212] ? __switch_to_asm+0x40/0x70 [ 379.531276] ? __switch_to_asm+0x34/0x70 [ 379.535345] ? __switch_to_asm+0x40/0x70 [ 379.539415] ? __switch_to_asm+0x34/0x70 [ 379.543496] ? __switch_to_asm+0x34/0x70 [ 379.547561] ? __switch_to_asm+0x40/0x70 [ 379.551623] ? __switch_to_asm+0x34/0x70 [ 379.555698] bpf_clone_redirect+0xb9/0x490 [ 379.559938] ? __schedule+0x874/0x1ed0 [ 379.563839] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 379.568867] ? __sched_text_start+0x8/0x8 [ 379.573036] ? find_held_lock+0x36/0x1c0 [ 379.577111] ? lock_acquire+0x1ed/0x520 [ 379.581086] ? bpf_test_run+0x3cb/0x780 [ 379.585067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.590609] ? check_preemption_disabled+0x48/0x200 [ 379.595635] ? kasan_check_read+0x11/0x20 [ 379.599792] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.605072] ? rcu_bh_qs+0xc0/0xc0 [ 379.608622] ? preempt_schedule+0x4d/0x60 [ 379.612778] ? ___preempt_schedule+0x16/0x18 [ 379.617230] ? bpf_test_run+0x25d/0x780 [ 379.621220] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.625640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.631186] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 379.635956] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.640807] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.646341] ? fput+0x130/0x1a0 [ 379.649625] ? __bpf_prog_get+0x9b/0x290 [ 379.653693] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.658534] ? bpf_prog_test_run+0x130/0x1a0 [ 379.662948] ? __x64_sys_bpf+0x3d8/0x520 [ 379.667012] ? bpf_prog_get+0x20/0x20 [ 379.670839] ? do_syscall_64+0x1b9/0x820 [ 379.674903] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.680275] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.685210] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.690226] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.695254] ? recalc_sigpending_tsk+0x180/0x180 [ 379.700026] ? kasan_check_write+0x14/0x20 [ 379.704267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.709123] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.714534] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 379.714619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.721641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.721662] Workqueue: events_power_efficient neigh_periodic_work [ 379.721671] Call Trace: [ 379.721682] [ 379.728222] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.737529] dump_stack+0x1c4/0x2b4 [ 379.743735] syz-executor2 cpuset= [ 379.746312] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.748438] syz2 [ 379.758936] warn_alloc.cold.119+0xb7/0x1bd [ 379.762533] mems_allowed=0 [ 379.765989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.785184] ? lock_downgrade+0x900/0x900 [ 379.789341] ? trace_hardirqs_off+0xb8/0x310 [ 379.793762] ? trace_hardirqs_off+0xb8/0x310 [ 379.798180] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.803059] ? warn_alloc+0x120/0x120 [ 379.806867] ? warn_alloc+0x120/0x120 [ 379.810670] ? print_usage_bug+0xc0/0xc0 [ 379.814744] ? warn_alloc+0x120/0x120 [ 379.818547] ? print_usage_bug+0xc0/0xc0 [ 379.822612] ? __lock_acquire+0x7ec/0x4ec0 [ 379.826846] ? __lock_acquire+0x7ec/0x4ec0 [ 379.831082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.836621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.842159] ? should_fail+0x22d/0xd01 [ 379.846050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.851156] ? __lock_acquire+0x7ec/0x4ec0 [ 379.855410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.860512] ? __lock_acquire+0x7ec/0x4ec0 [ 379.864745] ? should_fail+0x22d/0xd01 [ 379.868645] ? mark_held_locks+0x130/0x130 [ 379.872889] ? mark_held_locks+0x130/0x130 [ 379.877127] ? graph_lock+0x170/0x170 [ 379.880931] ? print_usage_bug+0xc0/0xc0 [ 379.884991] ? graph_lock+0x170/0x170 [ 379.888802] ? print_usage_bug+0xc0/0xc0 [ 379.892867] ? wq_watchdog_touch+0x9c/0xfe [ 379.897134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.902690] ? check_preemption_disabled+0x48/0x200 [ 379.907709] ? check_preemption_disabled+0x48/0x200 [ 379.912737] ? __lock_is_held+0xb5/0x140 [ 379.916839] __alloc_pages_nodemask+0xa80/0xde0 [ 379.921605] ? graph_lock+0x170/0x170 [ 379.925425] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.930470] ? graph_lock+0x170/0x170 [ 379.934306] ? find_held_lock+0x36/0x1c0 [ 379.938388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.943063] ? lock_downgrade+0x900/0x900 [ 379.947222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.952773] cache_grow_begin+0x91/0x8c0 [ 379.956848] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.961272] fallback_alloc+0x203/0x2e0 [ 379.965347] ____cache_alloc_node+0x1c7/0x1e0 [ 379.969851] kmem_cache_alloc_node+0xe3/0x730 [ 379.974347] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.978594] __alloc_skb+0x119/0x770 [ 379.982313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.987596] ? skb_scrub_packet+0x490/0x490 [ 379.991923] ? lock_downgrade+0x900/0x900 [ 379.996084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.001631] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.007096] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.012550] ? addrconf_rs_timer+0x690/0x690 [ 380.016972] ndisc_alloc_skb+0x144/0x340 [ 380.021045] ndisc_send_rs+0x331/0x6e0 [ 380.024938] addrconf_rs_timer+0x314/0x690 [ 380.029181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.033433] call_timer_fn+0x272/0x920 [ 380.037334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.041577] ? process_timeout+0x40/0x40 [ 380.045638] ? find_held_lock+0x36/0x1c0 [ 380.049710] ? mark_held_locks+0xc7/0x130 [ 380.053869] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.058368] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.062868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.067107] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 380.071694] ? trace_hardirqs_on+0xbd/0x310 [ 380.076016] ? kasan_check_read+0x11/0x20 [ 380.080165] ? __run_timers+0x7da/0xc70 [ 380.084141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.089598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.093870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.098113] __run_timers+0x7e5/0xc70 [ 380.101931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.107294] ? lock_downgrade+0x900/0x900 [ 380.111464] ? print_usage_bug+0xc0/0xc0 [ 380.115535] ? trace_hardirqs_on+0x310/0x310 [ 380.119959] ? kvm_clock_read+0x18/0x30 [ 380.123935] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.128962] ? graph_lock+0x170/0x170 [ 380.132770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.138312] ? check_preemption_disabled+0x48/0x200 [ 380.143346] ? __lock_is_held+0xb5/0x140 [ 380.147409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.152948] ? check_preemption_disabled+0x48/0x200 [ 380.157974] run_timer_softirq+0x52/0xb0 [ 380.162038] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.167069] __do_softirq+0x30b/0xad8 [ 380.170899] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 380.176004] ? irq_exit+0xbd/0x1c0 [ 380.179547] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.184572] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.190470] ? ret_from_intr+0xb/0x1e [ 380.194282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.199303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.204153] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.209172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.214714] ? check_preemption_disabled+0x48/0x200 [ 380.219737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.225289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.230139] ? neigh_periodic_work+0x6bd/0xc60 [ 380.234725] do_softirq_own_stack+0x2a/0x40 [ 380.239043] [ 380.241288] do_softirq.part.13+0x126/0x160 [ 380.245628] __local_bh_enable_ip+0x21d/0x260 [ 380.250130] _raw_write_unlock_bh+0x30/0x40 [ 380.254456] neigh_periodic_work+0x6bd/0xc60 [ 380.258894] ? neigh_table_clear+0x390/0x390 [ 380.263308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.268862] ? check_preemption_disabled+0x48/0x200 [ 380.273880] ? check_preemption_disabled+0x48/0x200 [ 380.278912] ? __lock_is_held+0xb5/0x140 [ 380.282999] process_one_work+0xc90/0x1b90 [ 380.287235] ? mark_held_locks+0x130/0x130 [ 380.291496] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 380.296171] ? __switch_to_asm+0x40/0x70 [ 380.300236] ? __switch_to_asm+0x40/0x70 [ 380.304301] ? __switch_to_asm+0x34/0x70 [ 380.308363] ? __switch_to_asm+0x40/0x70 [ 380.312423] ? __switch_to_asm+0x34/0x70 [ 380.316496] ? __switch_to_asm+0x40/0x70 [ 380.320559] ? __switch_to_asm+0x34/0x70 [ 380.324623] ? __switch_to_asm+0x40/0x70 [ 380.328693] ? __schedule+0x874/0x1ed0 [ 380.332584] ? __switch_to_asm+0x34/0x70 [ 380.336645] ? __switch_to_asm+0x40/0x70 [ 380.340725] ? kasan_check_read+0x11/0x20 [ 380.344881] ? graph_lock+0x170/0x170 [ 380.348690] ? __sched_text_start+0x8/0x8 [ 380.352849] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.357433] ? retint_kernel+0x2d/0x2d [ 380.361339] ? find_held_lock+0x36/0x1c0 [ 380.365893] ? lock_acquire+0x1ed/0x520 [ 380.369893] ? worker_thread+0x3e0/0x1390 [ 380.374050] ? lock_release+0x970/0x970 [ 380.378027] ? trace_hardirqs_off+0xb8/0x310 [ 380.382436] ? kasan_check_read+0x11/0x20 [ 380.386604] ? worker_thread+0x3e0/0x1390 [ 380.390753] ? trace_hardirqs_on+0x310/0x310 [ 380.395168] ? kasan_check_write+0x14/0x20 [ 380.399408] ? do_raw_spin_lock+0xc1/0x200 [ 380.403656] worker_thread+0x17f/0x1390 [ 380.407633] ? __switch_to_asm+0x34/0x70 [ 380.411715] ? process_one_work+0x1b90/0x1b90 [ 380.416220] ? graph_lock+0x170/0x170 [ 380.420027] ? graph_lock+0x170/0x170 [ 380.423831] ? find_held_lock+0x36/0x1c0 [ 380.427906] ? find_held_lock+0x36/0x1c0 [ 380.431990] ? __kthread_parkme+0xce/0x1a0 [ 380.436234] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.441343] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.446451] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.451054] ? trace_hardirqs_on+0xbd/0x310 [ 380.455378] ? kasan_check_read+0x11/0x20 [ 380.459532] ? __kthread_parkme+0xce/0x1a0 [ 380.463774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.469232] ? kasan_check_write+0x14/0x20 [ 380.473493] ? do_raw_spin_lock+0xc1/0x200 [ 380.477743] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.482849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.488388] ? __kthread_parkme+0xfb/0x1a0 [ 380.492634] kthread+0x35a/0x420 [ 380.496002] ? process_one_work+0x1b90/0x1b90 [ 380.500502] ? kthread_bind+0x40/0x40 [ 380.504308] ret_from_fork+0x3a/0x50 [ 380.508042] warn_alloc_show_mem: 1 callbacks suppressed [ 380.508055] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 380.508056] Mem-Info: [ 380.508087] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 380.508087] active_file:14 inactive_file:13 isolated_file:0 [ 380.508087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.508087] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 380.508087] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 380.508087] free:13770 free_pcp:433 free_cma:0 [ 380.513425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.513433] Call Trace: [ 380.520839] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.523245] [ 380.556306] Node 0 [ 380.565666] dump_stack+0x1c4/0x2b4 [ 380.568259] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 380.595830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.597953] lowmem_reserve[]: 0 [ 380.600212] warn_alloc.cold.119+0xb7/0x1bd [ 380.603803] 2819 [ 380.629325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.634506] 6323 [ 380.637796] ? lock_downgrade+0x900/0x900 [ 380.642090] 6323 [ 380.644152] ? trace_hardirqs_off+0xb8/0x310 [ 380.651030] ? trace_hardirqs_off+0xb8/0x310 [ 380.655155] Node 0 [ 380.657219] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.661622] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 380.666052] ? warn_alloc+0x120/0x120 [ 380.668233] lowmem_reserve[]: 0 [ 380.673082] ? lock_release+0x970/0x970 [ 380.700032] 0 3503 [ 380.703852] ? warn_alloc+0x120/0x120 [ 380.707107] 3503 [ 380.711088] ? print_usage_bug+0xc0/0xc0 [ 380.713301] Node 0 [ 380.717100] ? warn_alloc+0x120/0x120 [ 380.719170] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 380.723208] ? print_usage_bug+0xc0/0xc0 [ 380.725416] lowmem_reserve[]: 0 [ 380.729222] ? __lock_acquire+0x7ec/0x4ec0 [ 380.757744] 0 0 [ 380.761811] ? __lock_acquire+0x7ec/0x4ec0 [ 380.765068] 0 [ 380.769306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.771265] Node 0 [ 380.775499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.775518] ? should_fail+0x22d/0xd01 [ 380.777295] DMA: [ 380.782828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.785050] 1*4kB [ 380.790580] ? __lock_acquire+0x7ec/0x4ec0 [ 380.794440] (U) [ 380.796508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.801586] 0*8kB [ 380.803731] ? __lock_acquire+0x7ec/0x4ec0 [ 380.807941] 0*16kB [ 380.809911] ? should_fail+0x22d/0xd01 [ 380.814985] 1*32kB (U) [ 380.817145] ? mark_held_locks+0x130/0x130 [ 380.821348] 2*64kB [ 380.823579] ? mark_held_locks+0x130/0x130 [ 380.827444] (U) [ 380.830029] ? graph_lock+0x170/0x170 [ 380.834239] 1*128kB [ 380.836480] ? print_usage_bug+0xc0/0xc0 [ 380.840694] (U) [ 380.842667] ? graph_lock+0x170/0x170 [ 380.846443] 1*256kB [ 380.848767] ? print_usage_bug+0xc0/0xc0 [ 380.852804] (U) [ 380.854779] ? wq_watchdog_touch+0x9c/0xfe [ 380.858555] 0*512kB 1*1024kB [ 380.860888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.864924] (U) [ 380.866900] ? check_preemption_disabled+0x48/0x200 [ 380.871112] 1*2048kB [ 380.874210] ? check_preemption_disabled+0x48/0x200 [ 380.879727] (M) [ 380.881705] ? __lock_is_held+0xb5/0x140 [ 380.886693] 3*4096kB [ 380.889100] __alloc_pages_nodemask+0xa80/0xde0 [ 380.894083] (M) = 15908kB [ 380.896068] ? graph_lock+0x170/0x170 [ 380.900124] Node 0 [ 380.902533] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 380.907174] DMA32: [ 380.909924] ? graph_lock+0x170/0x170 [ 380.913700] 5*4kB [ 380.915941] ? find_held_lock+0x36/0x1c0 [ 380.920924] (UMH) [ 380.923162] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.926928] 2*8kB (MH) [ 380.929082] ? lock_downgrade+0x900/0x900 [ 380.933128] 3*16kB [ 380.935280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.939919] (MH) [ 380.942507] cache_grow_begin+0x91/0x8c0 [ 380.946629] 3*32kB [ 380.948868] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.954378] (MH) [ 380.956442] fallback_alloc+0x203/0x2e0 [ 380.960488] 5*64kB [ 380.962737] ____cache_alloc_node+0x1c7/0x1e0 [ 380.967116] (MH) [ 380.969182] kmem_cache_alloc_node+0xe3/0x730 [ 380.973126] 3*128kB (M) [ 380.975369] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.979842] 5*256kB [ 380.981906] __alloc_skb+0x119/0x770 [ 380.986397] (UMH) [ 380.989069] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.993269] 5*512kB (UMH) [ 380.995597] ? skb_scrub_packet+0x490/0x490 [ 380.999279] 4*1024kB (UMH) [ 381.001433] ? lock_downgrade+0x900/0x900 [ 381.006689] 2*2048kB [ 381.009532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.013833] (M) [ 381.016761] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.020903] 3*4096kB [ 381.023307] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.028822] (M) [ 381.030795] ? addrconf_rs_timer+0x690/0x690 [ 381.036224] = 25204kB [ 381.038640] ndisc_alloc_skb+0x144/0x340 [ 381.044056] Node 0 [ 381.046042] ndisc_send_rs+0x331/0x6e0 [ 381.050419] Normal: 990*4kB [ 381.052838] addrconf_rs_timer+0x314/0x690 [ 381.056892] (UMEH) [ 381.059144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.063020] 505*8kB [ 381.066045] call_timer_fn+0x272/0x920 [ 381.070243] (MEH) [ 381.072483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.076695] 189*16kB (MEH) [ 381.079022] ? process_timeout+0x40/0x40 [ 381.082887] 66*32kB [ 381.085029] ? find_held_lock+0x36/0x1c0 [ 381.085053] ? __run_timers+0x7da/0xc70 [ 381.089260] (UMH) [ 381.092188] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.096225] 0*64kB [ 381.098548] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.102584] 1*128kB [ 381.106552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.108673] (H) 1*256kB [ 381.113197] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.115407] (H) [ 381.119900] ? trace_hardirqs_on+0xbd/0x310 [ 381.122201] 1*512kB [ 381.126430] ? kasan_check_read+0x11/0x20 [ 381.129068] (H) 0*1024kB [ 381.133653] ? __run_timers+0x7da/0xc70 [ 381.135607] 0*2048kB [ 381.139925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.142224] 0*4096kB [ 381.146369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.149103] = 14032kB [ 381.153071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.155472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.160909] __run_timers+0x7e5/0xc70 [ 381.163304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.167535] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.169913] 5170 total pagecache pages [ 381.174145] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.182968] 0 pages in swap cache [ 381.186777] ? graph_lock+0x170/0x170 [ 381.195341] Swap cache stats: add 0, delete 0, find 0/0 [ 381.200702] ? enqueue_hrtimer+0x1a5/0x560 [ 381.204561] Free swap = 0kB [ 381.209576] ? lock_release+0x970/0x970 [ 381.213004] Total swap = 0kB [ 381.216794] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.222140] 1965979 pages RAM [ 381.226373] ? find_held_lock+0x36/0x1c0 [ 381.229366] 0 pages HighMem/MovableOnly [ 381.233349] ? graph_lock+0x170/0x170 [ 381.236340] 342306 pages reserved [ 381.236348] 0 pages cma reserved [ 381.241534] ? pvclock_read_flags+0x160/0x160 [ 381.244687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.248672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.252715] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.256421] ? check_preemption_disabled+0x48/0x200 [ 381.259848] kworker/0:2 cpuset= [ 381.263216] ? __lock_is_held+0xb5/0x140 [ 381.267698] / [ 381.274187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.279702] mems_allowed=0 [ 381.290009] ? check_preemption_disabled+0x48/0x200 [ 381.317481] run_timer_softirq+0x52/0xb0 [ 381.321548] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.326577] __do_softirq+0x30b/0xad8 [ 381.330396] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.335506] ? pvclock_read_flags+0x160/0x160 [ 381.340010] ? lapic_next_event+0x5a/0x90 [ 381.344163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.349708] ? check_preemption_disabled+0x48/0x200 [ 381.354728] ? check_preemption_disabled+0x48/0x200 [ 381.359751] ? kvm_clock_read+0x18/0x30 [ 381.363727] ? kvm_sched_clock_read+0x9/0x20 [ 381.368140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.373678] ? check_preemption_disabled+0x48/0x200 [ 381.378711] irq_exit+0x17f/0x1c0 [ 381.382171] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.387018] ? smp_reschedule_interrupt+0x109/0x650 [ 381.392035] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.397924] ? interrupt_entry+0xb5/0xf0 [ 381.401996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.407017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.412040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.416885] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.421905] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.426923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.432473] ? check_preemption_disabled+0x48/0x200 [ 381.437494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.443047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.447904] apic_timer_interrupt+0xf/0x20 [ 381.452135] [ 381.454375] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.459310] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 381.478235] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.485953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.493229] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 381.500946] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 381.508216] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.515490] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 381.522810] skb_clone+0x1bb/0x500 [ 381.526356] ? finish_task_switch+0x2f5/0x900 [ 381.530859] ? skb_split+0x11e0/0x11e0 [ 381.534753] ? preempt_notifier_register+0x200/0x200 [ 381.539863] ? __switch_to_asm+0x34/0x70 [ 381.543926] ? __switch_to_asm+0x34/0x70 [ 381.547991] ? __switch_to_asm+0x40/0x70 [ 381.552058] ? __switch_to_asm+0x34/0x70 [ 381.556145] ? __switch_to_asm+0x40/0x70 [ 381.560215] ? __switch_to_asm+0x34/0x70 [ 381.564280] ? __switch_to_asm+0x40/0x70 [ 381.568345] ? __switch_to_asm+0x34/0x70 [ 381.572409] ? __switch_to_asm+0x34/0x70 [ 381.576477] ? __switch_to_asm+0x40/0x70 [ 381.580539] ? __switch_to_asm+0x34/0x70 [ 381.584612] bpf_clone_redirect+0xb9/0x490 [ 381.588849] ? __schedule+0x874/0x1ed0 [ 381.592747] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 381.597819] ? __sched_text_start+0x8/0x8 [ 381.601992] ? find_held_lock+0x36/0x1c0 [ 381.606062] ? lock_acquire+0x1ed/0x520 [ 381.610043] ? bpf_test_run+0x3cb/0x780 [ 381.614034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.619585] ? check_preemption_disabled+0x48/0x200 [ 381.624614] ? kasan_check_read+0x11/0x20 [ 381.628768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.634052] ? rcu_bh_qs+0xc0/0xc0 [ 381.637601] ? preempt_schedule+0x4d/0x60 [ 381.641755] ? ___preempt_schedule+0x16/0x18 [ 381.646173] ? bpf_test_run+0x25d/0x780 [ 381.650163] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.654585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.660130] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 381.664896] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.669739] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.675276] ? fput+0x130/0x1a0 [ 381.678558] ? __bpf_prog_get+0x9b/0x290 [ 381.682629] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.687477] ? bpf_prog_test_run+0x130/0x1a0 [ 381.691904] ? __x64_sys_bpf+0x3d8/0x520 [ 381.695965] ? bpf_prog_get+0x20/0x20 [ 381.699809] ? do_syscall_64+0x1b9/0x820 [ 381.703878] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.709249] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.714183] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.719207] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.724228] ? recalc_sigpending_tsk+0x180/0x180 [ 381.729003] ? kasan_check_write+0x14/0x20 [ 381.733246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.738102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.743499] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 381.743597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.750604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.750627] Workqueue: events_power_efficient neigh_periodic_work [ 381.757707] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.772667] syz-executor2 cpuset= [ 381.783132] Call Trace: [ 381.783142] syz2 [ 381.786580] [ 381.789153] mems_allowed=0 [ 381.791127] dump_stack+0x1c4/0x2b4 [ 381.799786] ? dump_stack_print_info.cold.2+0x52/0x52 [ 381.804994] warn_alloc.cold.119+0xb7/0x1bd [ 381.809324] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.814189] ? lock_downgrade+0x900/0x900 [ 381.818351] ? trace_hardirqs_off+0xb8/0x310 [ 381.822766] ? trace_hardirqs_off+0xb8/0x310 [ 381.827188] __alloc_pages_slowpath+0x2667/0x2d80 [ 381.832069] ? warn_alloc+0x120/0x120 [ 381.835872] ? trace_hardirqs_on+0x310/0x310 [ 381.840283] ? warn_alloc+0x120/0x120 [ 381.844091] ? print_usage_bug+0xc0/0xc0 [ 381.848154] ? warn_alloc+0x120/0x120 [ 381.851955] ? ktime_get+0x2e1/0x440 [ 381.855673] ? print_usage_bug+0xc0/0xc0 [ 381.859739] ? __lock_acquire+0x7ec/0x4ec0 [ 381.863975] ? __lock_acquire+0x7ec/0x4ec0 [ 381.868221] ? kasan_check_read+0x11/0x20 [ 381.872374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.877915] ? should_fail+0x22d/0xd01 [ 381.881804] ? rcu_bh_qs+0xc0/0xc0 [ 381.885357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.890473] ? __lock_acquire+0x7ec/0x4ec0 [ 381.894718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.899820] ? __lock_acquire+0x7ec/0x4ec0 [ 381.904055] ? should_fail+0x22d/0xd01 [ 381.907946] ? rcu_idle_enter+0x4b0/0x4b0 [ 381.912105] ? mark_held_locks+0x130/0x130 [ 381.916361] ? mark_held_locks+0x130/0x130 [ 381.920608] ? mark_held_locks+0xc7/0x130 [ 381.924758] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 381.929773] ? graph_lock+0x170/0x170 [ 381.933574] ? print_usage_bug+0xc0/0xc0 [ 381.937644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.943185] ? check_preemption_disabled+0x48/0x200 [ 381.948203] ? check_preemption_disabled+0x48/0x200 [ 381.953232] ? __lock_is_held+0xb5/0x140 [ 381.957304] __alloc_pages_nodemask+0xa80/0xde0 [ 381.961979] ? graph_lock+0x170/0x170 [ 381.965804] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.970823] ? graph_lock+0x170/0x170 [ 381.974650] ? find_held_lock+0x36/0x1c0 [ 381.978758] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.983432] ? lock_downgrade+0x900/0x900 [ 381.987600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.993160] cache_grow_begin+0x91/0x8c0 [ 381.997225] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.001644] fallback_alloc+0x203/0x2e0 [ 382.005631] ____cache_alloc_node+0x1c7/0x1e0 [ 382.010135] kmem_cache_alloc_node+0xe3/0x730 [ 382.014635] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.018895] __alloc_skb+0x119/0x770 [ 382.022617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.027898] ? skb_scrub_packet+0x490/0x490 [ 382.032221] ? lock_downgrade+0x900/0x900 [ 382.036378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.041929] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.047385] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.052839] ? addrconf_rs_timer+0x690/0x690 [ 382.057281] ndisc_alloc_skb+0x144/0x340 [ 382.061349] ndisc_send_rs+0x331/0x6e0 [ 382.065247] addrconf_rs_timer+0x314/0x690 [ 382.069502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.073764] call_timer_fn+0x272/0x920 [ 382.077652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.081892] ? process_timeout+0x40/0x40 [ 382.085956] ? find_held_lock+0x36/0x1c0 [ 382.090030] ? mark_held_locks+0xc7/0x130 [ 382.094186] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.098683] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.103179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.107420] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.112004] ? trace_hardirqs_on+0xbd/0x310 [ 382.116331] ? kasan_check_read+0x11/0x20 [ 382.120495] ? __run_timers+0x7da/0xc70 [ 382.124491] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.129962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.134204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.138444] __run_timers+0x7e5/0xc70 [ 382.142276] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.147641] ? lock_downgrade+0x900/0x900 [ 382.151803] ? print_usage_bug+0xc0/0xc0 [ 382.155865] ? trace_hardirqs_on+0x310/0x310 [ 382.160299] ? kvm_clock_read+0x18/0x30 [ 382.164275] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.169301] ? graph_lock+0x170/0x170 [ 382.173110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.178650] ? check_preemption_disabled+0x48/0x200 [ 382.183688] ? __lock_is_held+0xb5/0x140 [ 382.187766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.193314] ? check_preemption_disabled+0x48/0x200 [ 382.198341] run_timer_softirq+0x52/0xb0 [ 382.202402] ? rcu_read_lock_sched_held+0x108/0x120 [ 382.207426] __do_softirq+0x30b/0xad8 [ 382.211252] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 382.216359] ? irq_exit+0xbd/0x1c0 [ 382.219916] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 382.224935] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.230827] ? ret_from_intr+0xb/0x1e [ 382.234631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.239674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.244520] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.249545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.255088] ? check_preemption_disabled+0x48/0x200 [ 382.260103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.265652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.270510] ? neigh_periodic_work+0x6bd/0xc60 [ 382.275101] do_softirq_own_stack+0x2a/0x40 [ 382.279420] [ 382.281662] do_softirq.part.13+0x126/0x160 [ 382.285989] __local_bh_enable_ip+0x21d/0x260 [ 382.290509] _raw_write_unlock_bh+0x30/0x40 [ 382.294840] neigh_periodic_work+0x6bd/0xc60 [ 382.299273] ? neigh_table_clear+0x390/0x390 [ 382.303689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.309239] ? check_preemption_disabled+0x48/0x200 [ 382.314256] ? check_preemption_disabled+0x48/0x200 [ 382.319291] ? __lock_is_held+0xb5/0x140 [ 382.323372] process_one_work+0xc90/0x1b90 [ 382.327609] ? mark_held_locks+0x130/0x130 [ 382.331858] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 382.336530] ? __switch_to_asm+0x40/0x70 [ 382.340593] ? __switch_to_asm+0x40/0x70 [ 382.344655] ? __switch_to_asm+0x34/0x70 [ 382.348719] ? __switch_to_asm+0x40/0x70 [ 382.352810] ? __switch_to_asm+0x34/0x70 [ 382.356872] ? __switch_to_asm+0x40/0x70 [ 382.360942] ? __switch_to_asm+0x34/0x70 [ 382.365491] ? __switch_to_asm+0x40/0x70 [ 382.369586] ? __schedule+0x874/0x1ed0 [ 382.373488] ? __switch_to_asm+0x34/0x70 [ 382.377553] ? __switch_to_asm+0x40/0x70 [ 382.381631] ? kasan_check_read+0x11/0x20 [ 382.385789] ? graph_lock+0x170/0x170 [ 382.389594] ? __sched_text_start+0x8/0x8 [ 382.393749] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.398334] ? retint_kernel+0x2d/0x2d [ 382.402239] ? find_held_lock+0x36/0x1c0 [ 382.406310] ? lock_acquire+0x1ed/0x520 [ 382.410290] ? worker_thread+0x3e0/0x1390 [ 382.414447] ? lock_release+0x970/0x970 [ 382.418434] ? trace_hardirqs_off+0xb8/0x310 [ 382.422869] ? kasan_check_read+0x11/0x20 [ 382.427031] ? worker_thread+0x3e0/0x1390 [ 382.431208] ? trace_hardirqs_on+0x310/0x310 [ 382.435622] ? kasan_check_write+0x14/0x20 [ 382.439888] ? do_raw_spin_lock+0xc1/0x200 [ 382.444130] worker_thread+0x17f/0x1390 [ 382.448111] ? __switch_to_asm+0x34/0x70 [ 382.452187] ? process_one_work+0x1b90/0x1b90 [ 382.456691] ? graph_lock+0x170/0x170 [ 382.460503] ? graph_lock+0x170/0x170 [ 382.464305] ? find_held_lock+0x36/0x1c0 [ 382.468385] ? find_held_lock+0x36/0x1c0 [ 382.472469] ? __kthread_parkme+0xce/0x1a0 [ 382.476717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.481823] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.486934] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.491535] ? trace_hardirqs_on+0xbd/0x310 [ 382.495859] ? kasan_check_read+0x11/0x20 [ 382.500010] ? __kthread_parkme+0xce/0x1a0 [ 382.504248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.509704] ? kasan_check_write+0x14/0x20 [ 382.513943] ? do_raw_spin_lock+0xc1/0x200 [ 382.518187] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.523291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.528853] ? __kthread_parkme+0xfb/0x1a0 [ 382.533111] kthread+0x35a/0x420 [ 382.536491] ? process_one_work+0x1b90/0x1b90 [ 382.540992] ? kthread_bind+0x40/0x40 [ 382.544801] ret_from_fork+0x3a/0x50 [ 382.548532] warn_alloc_show_mem: 1 callbacks suppressed [ 382.548544] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 382.548546] Mem-Info: [ 382.548577] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 382.548577] active_file:14 inactive_file:13 isolated_file:0 [ 382.548577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.548577] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 382.548577] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 382.548577] free:13770 free_pcp:433 free_cma:0 [ 382.553921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.561284] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.563684] Call Trace: [ 382.596733] Node 0 [ 382.606079] [ 382.633676] 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 [ 382.636241] dump_stack+0x1c4/0x2b4 [ 382.638443] lowmem_reserve[]: [ 382.640614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.666090] 0 [ 382.669725] warn_alloc.cold.119+0xb7/0x1bd [ 382.672794] 2819 [ 382.678002] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.679768] 6323 [ 382.684106] ? lock_downgrade+0x900/0x900 [ 382.686139] 6323 [ 382.690995] ? trace_hardirqs_off+0xb8/0x310 [ 382.693028] Node 0 [ 382.697175] ? trace_hardirqs_off+0xb8/0x310 [ 382.699236] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 382.703618] __alloc_pages_slowpath+0x2667/0x2d80 [ 382.705825] lowmem_reserve[]: [ 382.710254] ? warn_alloc+0x120/0x120 [ 382.737201] 0 [ 382.742041] ? warn_alloc+0x120/0x120 [ 382.745112] 0 3503 [ 382.748928] ? print_usage_bug+0xc0/0xc0 [ 382.750697] 3503 [ 382.754512] ? warn_alloc+0x120/0x120 [ 382.756727] Node 0 [ 382.760779] ? lock_downgrade+0x900/0x900 [ 382.762876] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 382.766643] ? print_usage_bug+0xc0/0xc0 [ 382.768852] lowmem_reserve[]: 0 [ 382.773014] ? kasan_check_read+0x11/0x20 [ 382.801544] 0 [ 382.805618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.808870] 0 [ 382.813023] ? should_fail+0x22d/0xd01 [ 382.814796] 0 [ 382.820339] ? rcu_bh_qs+0xc0/0xc0 [ 382.822119] Node 0 [ 382.826014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.827784] DMA: 1*4kB [ 382.831330] ? __lock_acquire+0x7ec/0x4ec0 [ 382.833542] (U) [ 382.838642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.841197] 0*8kB 0*16kB [ 382.845433] ? __lock_acquire+0x7ec/0x4ec0 [ 382.847390] 1*32kB [ 382.852501] ? should_fail+0x22d/0xd01 [ 382.855231] (U) [ 382.859487] ? mark_held_locks+0x130/0x130 [ 382.861698] 2*64kB [ 382.865580] ? mark_held_locks+0x130/0x130 [ 382.867530] (U) [ 382.871770] ? try_to_wake_up+0x10a/0x12f0 [ 382.873989] 1*128kB [ 382.878217] ? graph_lock+0x170/0x170 [ 382.880165] (U) 1*256kB [ 382.884402] ? print_usage_bug+0xc0/0xc0 [ 382.886706] (U) [ 382.890526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.893180] 0*512kB 1*1024kB [ 382.897295] ? check_preemption_disabled+0x48/0x200 [ 382.899247] (U) [ 382.904780] ? check_preemption_disabled+0x48/0x200 [ 382.907858] 1*2048kB (M) [ 382.912881] ? __lock_is_held+0xb5/0x140 [ 382.914828] 3*4096kB [ 382.919839] __alloc_pages_nodemask+0xa80/0xde0 [ 382.922613] (M) [ 382.926669] ? graph_lock+0x170/0x170 [ 382.929189] = 15908kB [ 382.933848] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.935802] Node 0 [ 382.939595] ? graph_lock+0x170/0x170 [ 382.941976] DMA32: 5*4kB [ 382.947039] ? find_held_lock+0x36/0x1c0 [ 382.949244] (UMH) [ 382.953041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.955770] 2*8kB [ 382.959824] ? lock_downgrade+0x900/0x900 [ 382.961949] (MH) [ 382.966631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.968776] 3*16kB (MH) [ 382.972930] cache_grow_begin+0x91/0x8c0 [ 382.974974] 3*32kB [ 382.980523] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.983166] (MH) [ 382.987238] fallback_alloc+0x203/0x2e0 [ 382.989441] 5*64kB (MH) [ 382.993903] ____cache_alloc_node+0x1c7/0x1e0 [ 382.995942] 3*128kB [ 382.999910] kmem_cache_alloc_node+0xe3/0x730 [ 383.002555] (M) [ 383.007044] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.009341] 5*256kB (UMH) [ 383.013846] __alloc_skb+0x119/0x770 [ 383.015810] 5*512kB [ 383.020054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.022872] (UMH) [ 383.026580] ? skb_scrub_packet+0x490/0x490 [ 383.028874] 4*1024kB (UMH) [ 383.034154] ? lock_downgrade+0x900/0x900 [ 383.036307] 2*2048kB (M) [ 383.040638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.043544] 3*4096kB [ 383.047685] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.050453] (M) [ 383.056013] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.058409] = 25204kB [ 383.058417] Node 0 [ 383.063858] ? addrconf_rs_timer+0x690/0x690 [ 383.065813] Normal: [ 383.071267] ndisc_alloc_skb+0x144/0x340 [ 383.073690] 990*4kB [ 383.075923] ndisc_send_rs+0x331/0x6e0 [ 383.080308] (UMEH) [ 383.082627] addrconf_rs_timer+0x314/0x690 [ 383.086663] 505*8kB [ 383.089003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.092867] (MEH) [ 383.095109] call_timer_fn+0x272/0x920 [ 383.099304] 189*16kB (MEH) [ 383.101636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.105846] 66*32kB [ 383.107998] ? process_timeout+0x40/0x40 [ 383.111867] (UMH) [ 383.114796] ? find_held_lock+0x36/0x1c0 [ 383.119013] 0*64kB [ 383.121336] ? __run_timers+0x7da/0xc70 [ 383.125369] 1*128kB [ 383.127536] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.131584] (H) [ 383.133830] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.137784] 1*256kB [ 383.140133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.144606] (H) [ 383.146577] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.151046] 1*512kB [ 383.153365] ? trace_hardirqs_on+0xbd/0x310 [ 383.157577] (H) [ 383.159554] ? kasan_check_read+0x11/0x20 [ 383.164132] 0*1024kB [ 383.166447] ? __run_timers+0x7da/0xc70 [ 383.170760] 0*2048kB [ 383.172758] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.176899] 0*4096kB [ 383.179328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.183265] = 14032kB [ 383.183278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.185680] __run_timers+0x7e5/0xc70 [ 383.191131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.193582] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.197795] 5170 total pagecache pages [ 383.200207] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.209054] 0 pages in swap cache [ 383.212841] ? graph_lock+0x170/0x170 [ 383.221410] Swap cache stats: add 0, delete 0, find 0/0 [ 383.226802] ? enqueue_hrtimer+0x1a5/0x560 [ 383.230680] Free swap = 0kB [ 383.235696] ? lock_release+0x970/0x970 [ 383.239127] Total swap = 0kB [ 383.242924] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.248261] 1965979 pages RAM [ 383.252501] ? find_held_lock+0x36/0x1c0 [ 383.255578] 0 pages HighMem/MovableOnly [ 383.255587] 342306 pages reserved [ 383.259560] ? graph_lock+0x170/0x170 [ 383.262553] 0 pages cma reserved [ 383.267735] ? pvclock_read_flags+0x160/0x160 [ 383.270915] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.274895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.274912] ? check_preemption_disabled+0x48/0x200 [ 383.274939] ? __lock_is_held+0xb5/0x140 [ 383.279057] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.282333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.286129] kworker/0:2 cpuset= [ 383.289503] ? check_preemption_disabled+0x48/0x200 [ 383.293970] / [ 383.300473] run_timer_softirq+0x52/0xb0 [ 383.305995] mems_allowed=0 [ 383.311008] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.352804] __do_softirq+0x30b/0xad8 [ 383.356623] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.361824] ? pvclock_read_flags+0x160/0x160 [ 383.366322] ? lapic_next_event+0x5a/0x90 [ 383.370480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.376023] ? check_preemption_disabled+0x48/0x200 [ 383.381037] ? check_preemption_disabled+0x48/0x200 [ 383.386061] ? kvm_clock_read+0x18/0x30 [ 383.390038] ? kvm_sched_clock_read+0x9/0x20 [ 383.394452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.400007] ? check_preemption_disabled+0x48/0x200 [ 383.405037] irq_exit+0x17f/0x1c0 [ 383.408501] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.413345] ? smp_reschedule_interrupt+0x109/0x650 [ 383.418361] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.424255] ? interrupt_entry+0xb5/0xf0 [ 383.428323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.433339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.438358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.443206] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.448226] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.453245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.458785] ? check_preemption_disabled+0x48/0x200 [ 383.463806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.469351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.474204] apic_timer_interrupt+0xf/0x20 [ 383.478431] [ 383.480684] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.485703] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 383.505124] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 383.512837] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.520104] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 383.527390] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 383.534662] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.541933] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 383.549250] skb_clone+0x1bb/0x500 [ 383.552792] ? finish_task_switch+0x2f5/0x900 [ 383.557298] ? skb_split+0x11e0/0x11e0 [ 383.561232] ? preempt_notifier_register+0x200/0x200 [ 383.566396] ? __switch_to_asm+0x34/0x70 [ 383.570494] ? __switch_to_asm+0x34/0x70 [ 383.574574] ? __switch_to_asm+0x40/0x70 [ 383.578635] ? __switch_to_asm+0x34/0x70 [ 383.582695] ? __switch_to_asm+0x40/0x70 [ 383.586758] ? __switch_to_asm+0x34/0x70 [ 383.590822] ? __switch_to_asm+0x40/0x70 [ 383.594886] ? __switch_to_asm+0x34/0x70 [ 383.598948] ? __switch_to_asm+0x34/0x70 [ 383.603026] ? __switch_to_asm+0x40/0x70 [ 383.607089] ? __switch_to_asm+0x34/0x70 [ 383.611177] bpf_clone_redirect+0xb9/0x490 [ 383.615415] ? __schedule+0x874/0x1ed0 [ 383.619317] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 383.624341] ? __sched_text_start+0x8/0x8 [ 383.628516] ? find_held_lock+0x36/0x1c0 [ 383.632588] ? lock_acquire+0x1ed/0x520 [ 383.636564] ? bpf_test_run+0x3cb/0x780 [ 383.640544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.646093] ? check_preemption_disabled+0x48/0x200 [ 383.651135] ? kasan_check_read+0x11/0x20 [ 383.655289] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.660567] ? rcu_bh_qs+0xc0/0xc0 [ 383.664110] ? preempt_schedule+0x4d/0x60 [ 383.668259] ? ___preempt_schedule+0x16/0x18 [ 383.672695] ? bpf_test_run+0x25d/0x780 [ 383.676687] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.681100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.686687] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 383.691479] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.696325] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.701864] ? fput+0x130/0x1a0 [ 383.705162] ? __bpf_prog_get+0x9b/0x290 [ 383.709239] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.714078] ? bpf_prog_test_run+0x130/0x1a0 [ 383.718505] ? __x64_sys_bpf+0x3d8/0x520 [ 383.722568] ? bpf_prog_get+0x20/0x20 [ 383.726390] ? do_syscall_64+0x1b9/0x820 [ 383.730457] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.735831] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.740794] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.745828] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.750849] ? recalc_sigpending_tsk+0x180/0x180 [ 383.755612] ? kasan_check_write+0x14/0x20 [ 383.759858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.764715] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.770103] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 383.770185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.777211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.777232] Workqueue: events_power_efficient neigh_periodic_work [ 383.777240] Call Trace: [ 383.777248] [ 383.777267] dump_stack+0x1c4/0x2b4 [ 383.777284] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.783872] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.793125] warn_alloc.cold.119+0xb7/0x1bd [ 383.799321] syz-executor2 cpuset= [ 383.801916] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.804056] syz2 [ 383.807684] ? lock_downgrade+0x900/0x900 [ 383.812862] mems_allowed=0 [ 383.823353] ? trace_hardirqs_off+0xb8/0x310 [ 383.849520] ? trace_hardirqs_off+0xb8/0x310 [ 383.853941] __alloc_pages_slowpath+0x2667/0x2d80 [ 383.858831] ? warn_alloc+0x120/0x120 [ 383.862639] ? warn_alloc+0x120/0x120 [ 383.866442] ? print_usage_bug+0xc0/0xc0 [ 383.870538] ? warn_alloc+0x120/0x120 [ 383.874338] ? print_usage_bug+0xc0/0xc0 [ 383.878402] ? __lock_acquire+0x7ec/0x4ec0 [ 383.882638] ? __lock_acquire+0x7ec/0x4ec0 [ 383.886890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.892428] ? should_fail+0x22d/0xd01 [ 383.896323] ? __lock_acquire+0x7ec/0x4ec0 [ 383.900564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.905698] ? __lock_acquire+0x7ec/0x4ec0 [ 383.909951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.915050] ? __lock_acquire+0x7ec/0x4ec0 [ 383.919282] ? should_fail+0x22d/0xd01 [ 383.923191] ? mark_held_locks+0x130/0x130 [ 383.927437] ? mark_held_locks+0x130/0x130 [ 383.931687] ? graph_lock+0x170/0x170 [ 383.935498] ? print_usage_bug+0xc0/0xc0 [ 383.939567] ? wq_watchdog_touch+0x9c/0xfe [ 383.943805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.949347] ? check_preemption_disabled+0x48/0x200 [ 383.954363] ? check_preemption_disabled+0x48/0x200 [ 383.959396] ? __lock_is_held+0xb5/0x140 [ 383.963473] __alloc_pages_nodemask+0xa80/0xde0 [ 383.968147] ? graph_lock+0x170/0x170 [ 383.971956] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.976970] ? graph_lock+0x170/0x170 [ 383.980781] ? find_held_lock+0x36/0x1c0 [ 383.984857] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.989528] ? lock_downgrade+0x900/0x900 [ 383.993687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.999230] cache_grow_begin+0x91/0x8c0 [ 384.003295] ? do_raw_spin_unlock+0xa7/0x2f0 [ 384.007722] fallback_alloc+0x203/0x2e0 [ 384.011704] ____cache_alloc_node+0x1c7/0x1e0 [ 384.016208] kmem_cache_alloc_node+0xe3/0x730 [ 384.020704] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.024954] __alloc_skb+0x119/0x770 [ 384.028672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.033966] ? skb_scrub_packet+0x490/0x490 [ 384.038305] ? lock_downgrade+0x900/0x900 [ 384.042475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.048022] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.053491] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.058943] ? addrconf_rs_timer+0x690/0x690 [ 384.063366] ndisc_alloc_skb+0x144/0x340 [ 384.067433] ndisc_send_rs+0x331/0x6e0 [ 384.071353] addrconf_rs_timer+0x314/0x690 [ 384.075598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.079848] call_timer_fn+0x272/0x920 [ 384.083740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.087978] ? process_timeout+0x40/0x40 [ 384.092044] ? find_held_lock+0x36/0x1c0 [ 384.096129] ? mark_held_locks+0xc7/0x130 [ 384.100301] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.104796] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.109290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.113527] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 384.118127] ? trace_hardirqs_on+0xbd/0x310 [ 384.122452] ? kasan_check_read+0x11/0x20 [ 384.126615] ? __run_timers+0x7da/0xc70 [ 384.130594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.136057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.140296] __run_timers+0x7e5/0xc70 [ 384.144114] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 384.149493] ? lock_downgrade+0x900/0x900 [ 384.153657] ? print_usage_bug+0xc0/0xc0 [ 384.157722] ? trace_hardirqs_on+0x310/0x310 [ 384.162143] ? kvm_clock_read+0x18/0x30 [ 384.166139] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.171164] ? graph_lock+0x170/0x170 [ 384.174970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.180519] ? check_preemption_disabled+0x48/0x200 [ 384.185553] ? __lock_is_held+0xb5/0x140 [ 384.189618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.195157] ? check_preemption_disabled+0x48/0x200 [ 384.200190] run_timer_softirq+0x52/0xb0 [ 384.204254] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.209282] __do_softirq+0x30b/0xad8 [ 384.213098] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.218201] ? irq_exit+0xbd/0x1c0 [ 384.221750] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 384.226768] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.232660] ? ret_from_intr+0xb/0x1e [ 384.236474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.241505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.246350] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.251372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.256913] ? check_preemption_disabled+0x48/0x200 [ 384.261933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.267494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.272348] ? neigh_periodic_work+0x6bd/0xc60 [ 384.276933] do_softirq_own_stack+0x2a/0x40 [ 384.281281] [ 384.283522] do_softirq.part.13+0x126/0x160 [ 384.287847] __local_bh_enable_ip+0x21d/0x260 [ 384.292349] _raw_write_unlock_bh+0x30/0x40 [ 384.296672] neigh_periodic_work+0x6bd/0xc60 [ 384.301100] ? neigh_table_clear+0x390/0x390 [ 384.305514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.311054] ? check_preemption_disabled+0x48/0x200 [ 384.316075] ? check_preemption_disabled+0x48/0x200 [ 384.321109] ? __lock_is_held+0xb5/0x140 [ 384.325195] process_one_work+0xc90/0x1b90 [ 384.329472] ? mark_held_locks+0x130/0x130 [ 384.333727] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 384.338394] ? __switch_to_asm+0x40/0x70 [ 384.342479] ? __switch_to_asm+0x40/0x70 [ 384.346549] ? __switch_to_asm+0x34/0x70 [ 384.350616] ? __switch_to_asm+0x40/0x70 [ 384.354676] ? __switch_to_asm+0x34/0x70 [ 384.358736] ? __switch_to_asm+0x40/0x70 [ 384.362795] ? __switch_to_asm+0x34/0x70 [ 384.367353] ? __switch_to_asm+0x40/0x70 [ 384.371426] ? __schedule+0x874/0x1ed0 [ 384.375331] ? __switch_to_asm+0x34/0x70 [ 384.379432] ? __switch_to_asm+0x40/0x70 [ 384.383533] ? kasan_check_read+0x11/0x20 [ 384.387685] ? graph_lock+0x170/0x170 [ 384.391502] ? __sched_text_start+0x8/0x8 [ 384.395660] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.400244] ? retint_kernel+0x2d/0x2d [ 384.404137] ? find_held_lock+0x36/0x1c0 [ 384.408206] ? lock_acquire+0x1ed/0x520 [ 384.412181] ? worker_thread+0x3e0/0x1390 [ 384.416350] ? lock_release+0x970/0x970 [ 384.420327] ? trace_hardirqs_off+0xb8/0x310 [ 384.424738] ? kasan_check_read+0x11/0x20 [ 384.428882] ? worker_thread+0x3e0/0x1390 [ 384.433046] ? trace_hardirqs_on+0x310/0x310 [ 384.437519] ? kasan_check_write+0x14/0x20 [ 384.441764] ? do_raw_spin_lock+0xc1/0x200 [ 384.446009] worker_thread+0x17f/0x1390 [ 384.449988] ? __switch_to_asm+0x34/0x70 [ 384.454067] ? process_one_work+0x1b90/0x1b90 [ 384.458573] ? graph_lock+0x170/0x170 [ 384.462375] ? graph_lock+0x170/0x170 [ 384.466176] ? find_held_lock+0x36/0x1c0 [ 384.470253] ? find_held_lock+0x36/0x1c0 [ 384.474325] ? __kthread_parkme+0xce/0x1a0 [ 384.478563] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.483689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.488793] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.493376] ? trace_hardirqs_on+0xbd/0x310 [ 384.497697] ? kasan_check_read+0x11/0x20 [ 384.501844] ? __kthread_parkme+0xce/0x1a0 [ 384.506079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.511536] ? kasan_check_write+0x14/0x20 [ 384.515773] ? do_raw_spin_lock+0xc1/0x200 [ 384.520035] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.525141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.530694] ? __kthread_parkme+0xfb/0x1a0 [ 384.534938] kthread+0x35a/0x420 [ 384.538303] ? process_one_work+0x1b90/0x1b90 [ 384.542797] ? kthread_bind+0x40/0x40 [ 384.546605] ret_from_fork+0x3a/0x50 [ 384.550338] warn_alloc_show_mem: 1 callbacks suppressed [ 384.550350] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 384.550352] Mem-Info: [ 384.550383] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 384.550383] active_file:14 inactive_file:13 isolated_file:0 [ 384.550383] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.550383] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 384.550383] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 384.550383] free:13770 free_pcp:433 free_cma:0 [ 384.555748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.563149] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.565553] Call Trace: [ 384.598615] Node 0 [ 384.607958] [ 384.635552] 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 [ 384.638111] dump_stack+0x1c4/0x2b4 [ 384.640320] lowmem_reserve[]: 0 [ 384.642509] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.667979] 2819 6323 [ 384.671639] warn_alloc.cold.119+0xb7/0x1bd [ 384.674877] 6323 [ 384.680060] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.686849] ? lock_downgrade+0x900/0x900 [ 384.688890] Node 0 [ 384.693741] ? trace_hardirqs_off+0xb8/0x310 [ 384.697896] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.700104] ? trace_hardirqs_off+0xb8/0x310 [ 384.704490] lowmem_reserve[]: 0 [ 384.731501] __alloc_pages_slowpath+0x2667/0x2d80 [ 384.735886] 0 [ 384.739191] ? warn_alloc+0x120/0x120 [ 384.743980] 3503 [ 384.745808] ? trace_hardirqs_on+0x310/0x310 [ 384.749581] 3503 [ 384.751637] ? warn_alloc+0x120/0x120 [ 384.758082] ? print_usage_bug+0xc0/0xc0 [ 384.761856] Node 0 [ 384.765906] ? warn_alloc+0x120/0x120 [ 384.765937] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 384.765944] lowmem_reserve[]: [ 384.768193] ? ktime_get+0x2e1/0x440 [ 384.771979] 0 [ 384.800521] ? print_usage_bug+0xc0/0xc0 [ 384.803606] 0 [ 384.807310] ? __lock_acquire+0x7ec/0x4ec0 [ 384.809082] 0 0 [ 384.813148] ? __lock_acquire+0x7ec/0x4ec0 [ 384.814946] Node 0 [ 384.819175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.821122] DMA: 1*4kB [ 384.825365] ? should_fail+0x22d/0xd01 [ 384.827575] (U) [ 384.833105] ? __lock_acquire+0x7ec/0x4ec0 [ 384.835668] 0*8kB [ 384.839557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.841511] 0*16kB [ 384.845741] ? __lock_acquire+0x7ec/0x4ec0 [ 384.847873] 1*32kB [ 384.852971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.855184] (U) [ 384.859430] ? __lock_acquire+0x7ec/0x4ec0 [ 384.861640] 2*64kB (U) [ 384.866747] ? should_fail+0x22d/0xd01 [ 384.868703] 1*128kB [ 384.872951] ? mark_held_locks+0x130/0x130 [ 384.875518] (U) [ 384.879412] ? mark_held_locks+0x130/0x130 [ 384.881711] 1*256kB (U) [ 384.885969] ? graph_lock+0x170/0x170 [ 384.887919] 0*512kB [ 384.892143] ? print_usage_bug+0xc0/0xc0 [ 384.894794] 1*1024kB [ 384.898589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.900885] (U) [ 384.904945] ? check_preemption_disabled+0x48/0x200 [ 384.907333] 1*2048kB [ 384.912863] ? check_preemption_disabled+0x48/0x200 [ 384.914812] (M) [ 384.919857] ? __lock_is_held+0xb5/0x140 [ 384.922243] 3*4096kB [ 384.927260] __alloc_pages_nodemask+0xa80/0xde0 [ 384.929211] (M) [ 384.933280] ? graph_lock+0x170/0x170 [ 384.935673] = 15908kB [ 384.940335] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.942285] Node 0 [ 384.946077] ? graph_lock+0x170/0x170 [ 384.948467] DMA32: 5*4kB [ 384.953498] ? find_held_lock+0x36/0x1c0 [ 384.955720] (UMH) [ 384.959524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.962244] 2*8kB (MH) [ 384.966311] ? lock_downgrade+0x900/0x900 [ 384.968434] 3*16kB (MH) [ 384.973115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.975665] 3*32kB (MH) [ 384.979815] cache_grow_begin+0x91/0x8c0 [ 384.982468] 5*64kB [ 384.987999] ? do_raw_spin_unlock+0xa7/0x2f0 [ 384.990641] (MH) [ 384.994698] fallback_alloc+0x203/0x2e0 [ 384.996907] 3*128kB [ 385.001313] ____cache_alloc_node+0x1c7/0x1e0 [ 385.003350] (M) [ 385.007337] kmem_cache_alloc_node+0xe3/0x730 [ 385.009641] 5*256kB [ 385.014129] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.016084] (UMH) [ 385.020580] __alloc_skb+0x119/0x770 [ 385.022868] 5*512kB (UMH) [ 385.027108] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.029231] 4*1024kB [ 385.032981] ? skb_scrub_packet+0x490/0x490 [ 385.035797] (UMH) [ 385.041073] ? lock_downgrade+0x900/0x900 [ 385.043471] 2*2048kB [ 385.047790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.049908] (M) [ 385.054061] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.056455] 3*4096kB [ 385.061998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.063944] (M) [ 385.069437] ? addrconf_rs_timer+0x690/0x690 [ 385.071827] = 25204kB [ 385.077288] ndisc_alloc_skb+0x144/0x340 [ 385.079233] Node 0 [ 385.083634] ndisc_send_rs+0x331/0x6e0 [ 385.086015] Normal: 990*4kB [ 385.090086] addrconf_rs_timer+0x314/0x690 [ 385.092301] (UMEH) [ 385.096187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.099177] 505*8kB (MEH) [ 385.103439] call_timer_fn+0x272/0x920 [ 385.105637] 189*16kB (MEH) [ 385.109888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.112715] 66*32kB [ 385.116607] ? process_timeout+0x40/0x40 [ 385.119507] (UMH) [ 385.123740] ? find_held_lock+0x36/0x1c0 [ 385.126031] 0*64kB 1*128kB [ 385.130108] ? __run_timers+0x7da/0xc70 [ 385.132225] (H) [ 385.136281] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.139188] 1*256kB [ 385.143155] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.145103] (H) [ 385.149592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.151890] 1*512kB [ 385.156381] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 385.158330] (H) [ 385.162563] ? trace_hardirqs_on+0xbd/0x310 [ 385.164864] 0*1024kB [ 385.169445] ? kasan_check_read+0x11/0x20 [ 385.171395] 0*2048kB [ 385.175713] ? __run_timers+0x7da/0xc70 [ 385.178097] 0*4096kB [ 385.182239] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.184645] = 14032kB [ 385.188626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.191016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.196457] __run_timers+0x7e5/0xc70 [ 385.198854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.203090] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.211891] 5170 total pagecache pages [ 385.215687] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.224243] 0 pages in swap cache [ 385.229591] ? graph_lock+0x170/0x170 [ 385.233468] Swap cache stats: add 0, delete 0, find 0/0 [ 385.238479] ? enqueue_hrtimer+0x1a5/0x560 [ 385.241917] Free swap = 0kB [ 385.245710] ? lock_release+0x970/0x970 [ 385.251048] Total swap = 0kB [ 385.255277] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.258275] 1965979 pages RAM [ 385.262244] ? find_held_lock+0x36/0x1c0 [ 385.265231] 0 pages HighMem/MovableOnly [ 385.265240] 342306 pages reserved [ 385.270421] ? graph_lock+0x170/0x170 [ 385.273506] 0 pages cma reserved [ 385.277562] ? pvclock_read_flags+0x160/0x160 [ 385.281584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.284961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.288793] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.292097] ? check_preemption_disabled+0x48/0x200 [ 385.296568] kworker/0:2 cpuset= [ 385.303062] ? __lock_is_held+0xb5/0x140 [ 385.308568] / [ 385.318875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.323866] mems_allowed=0 [ 385.327139] ? check_preemption_disabled+0x48/0x200 [ 385.346325] run_timer_softirq+0x52/0xb0 [ 385.350389] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.355411] __do_softirq+0x30b/0xad8 [ 385.359224] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.364337] ? pvclock_read_flags+0x160/0x160 [ 385.368833] ? lapic_next_event+0x5a/0x90 [ 385.372991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.378536] ? check_preemption_disabled+0x48/0x200 [ 385.383726] ? check_preemption_disabled+0x48/0x200 [ 385.388749] ? kvm_clock_read+0x18/0x30 [ 385.392728] ? kvm_sched_clock_read+0x9/0x20 [ 385.397143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.402687] ? check_preemption_disabled+0x48/0x200 [ 385.407716] irq_exit+0x17f/0x1c0 [ 385.411176] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.416021] ? smp_reschedule_interrupt+0x109/0x650 [ 385.421041] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.426947] ? interrupt_entry+0xb5/0xf0 [ 385.431017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.436038] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.441056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.445905] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.450919] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.455937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.461487] ? check_preemption_disabled+0x48/0x200 [ 385.466507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.472406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.477263] apic_timer_interrupt+0xf/0x20 [ 385.481512] [ 385.483758] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 385.488690] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 385.508072] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.515795] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 385.523063] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 385.530333] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 385.537600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 385.544870] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 385.552191] skb_clone+0x1bb/0x500 [ 385.555740] ? finish_task_switch+0x2f5/0x900 [ 385.560240] ? skb_split+0x11e0/0x11e0 [ 385.564132] ? preempt_notifier_register+0x200/0x200 [ 385.569238] ? __switch_to_asm+0x34/0x70 [ 385.573301] ? __switch_to_asm+0x34/0x70 [ 385.577365] ? __switch_to_asm+0x40/0x70 [ 385.581430] ? __switch_to_asm+0x34/0x70 [ 385.585511] ? __switch_to_asm+0x40/0x70 [ 385.589576] ? __switch_to_asm+0x34/0x70 [ 385.593639] ? __switch_to_asm+0x40/0x70 [ 385.597703] ? __switch_to_asm+0x34/0x70 [ 385.601768] ? __switch_to_asm+0x34/0x70 [ 385.605834] ? __switch_to_asm+0x40/0x70 [ 385.609900] ? __switch_to_asm+0x34/0x70 [ 385.613975] bpf_clone_redirect+0xb9/0x490 [ 385.618221] ? __schedule+0x874/0x1ed0 [ 385.622119] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 385.627142] ? __sched_text_start+0x8/0x8 [ 385.631307] ? find_held_lock+0x36/0x1c0 [ 385.635378] ? lock_acquire+0x1ed/0x520 [ 385.639353] ? bpf_test_run+0x3cb/0x780 [ 385.643331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.648874] ? check_preemption_disabled+0x48/0x200 [ 385.653900] ? kasan_check_read+0x11/0x20 [ 385.658051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.663342] ? rcu_bh_qs+0xc0/0xc0 [ 385.666888] ? preempt_schedule+0x4d/0x60 [ 385.671038] ? ___preempt_schedule+0x16/0x18 [ 385.675474] ? bpf_test_run+0x25d/0x780 [ 385.679475] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.683891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.689436] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 385.694215] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.699057] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.704593] ? fput+0x130/0x1a0 [ 385.707873] ? __bpf_prog_get+0x9b/0x290 [ 385.711941] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.716787] ? bpf_prog_test_run+0x130/0x1a0 [ 385.721199] ? __x64_sys_bpf+0x3d8/0x520 [ 385.725266] ? bpf_prog_get+0x20/0x20 [ 385.729093] ? do_syscall_64+0x1b9/0x820 [ 385.733159] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.738702] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.743637] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.748656] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.753677] ? recalc_sigpending_tsk+0x180/0x180 [ 385.758440] ? kasan_check_write+0x14/0x20 [ 385.762693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.767550] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.772939] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 385.773029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.780046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.780068] Workqueue: events_power_efficient neigh_periodic_work [ 385.786648] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.802094] syz-executor2 cpuset= [ 385.812560] Call Trace: [ 385.812570] syz2 [ 385.816007] [ 385.818580] mems_allowed=0 [ 385.820587] dump_stack+0x1c4/0x2b4 [ 385.829252] ? dump_stack_print_info.cold.2+0x52/0x52 [ 385.834468] warn_alloc.cold.119+0xb7/0x1bd [ 385.838801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.843651] ? lock_downgrade+0x900/0x900 [ 385.847808] ? trace_hardirqs_off+0xb8/0x310 [ 385.852224] ? trace_hardirqs_off+0xb8/0x310 [ 385.856642] __alloc_pages_slowpath+0x2667/0x2d80 [ 385.861530] ? warn_alloc+0x120/0x120 [ 385.865338] ? warn_alloc+0x120/0x120 [ 385.869144] ? print_usage_bug+0xc0/0xc0 [ 385.873205] ? warn_alloc+0x120/0x120 [ 385.877008] ? print_usage_bug+0xc0/0xc0 [ 385.881076] ? __lock_acquire+0x7ec/0x4ec0 [ 385.885312] ? __lock_acquire+0x7ec/0x4ec0 [ 385.889558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.895096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.900635] ? should_fail+0x22d/0xd01 [ 385.904534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.909638] ? __lock_acquire+0x7ec/0x4ec0 [ 385.913879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.918982] ? __lock_acquire+0x7ec/0x4ec0 [ 385.923218] ? should_fail+0x22d/0xd01 [ 385.927117] ? mark_held_locks+0x130/0x130 [ 385.931357] ? mark_held_locks+0x130/0x130 [ 385.935600] ? graph_lock+0x170/0x170 [ 385.939404] ? print_usage_bug+0xc0/0xc0 [ 385.943472] ? graph_lock+0x170/0x170 [ 385.947279] ? print_usage_bug+0xc0/0xc0 [ 385.951341] ? wq_watchdog_touch+0x9c/0xfe [ 385.955590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.961134] ? check_preemption_disabled+0x48/0x200 [ 385.966151] ? check_preemption_disabled+0x48/0x200 [ 385.971183] ? __lock_is_held+0xb5/0x140 [ 385.975258] __alloc_pages_nodemask+0xa80/0xde0 [ 385.979930] ? graph_lock+0x170/0x170 [ 385.983737] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.988756] ? graph_lock+0x170/0x170 [ 385.992571] ? find_held_lock+0x36/0x1c0 [ 385.996649] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.001318] ? lock_downgrade+0x900/0x900 [ 386.005486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.011036] cache_grow_begin+0x91/0x8c0 [ 386.015099] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.019523] fallback_alloc+0x203/0x2e0 [ 386.023511] ____cache_alloc_node+0x1c7/0x1e0 [ 386.028020] kmem_cache_alloc_node+0xe3/0x730 [ 386.032519] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.036767] __alloc_skb+0x119/0x770 [ 386.040505] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.045795] ? skb_scrub_packet+0x490/0x490 [ 386.050120] ? lock_downgrade+0x900/0x900 [ 386.054278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.059816] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.065270] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.070724] ? addrconf_rs_timer+0x690/0x690 [ 386.075164] ndisc_alloc_skb+0x144/0x340 [ 386.079231] ndisc_send_rs+0x331/0x6e0 [ 386.083125] addrconf_rs_timer+0x314/0x690 [ 386.087370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.091625] call_timer_fn+0x272/0x920 [ 386.095516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.099762] ? process_timeout+0x40/0x40 [ 386.103823] ? find_held_lock+0x36/0x1c0 [ 386.107895] ? mark_held_locks+0xc7/0x130 [ 386.112049] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.116546] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.121042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.125280] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 386.129865] ? trace_hardirqs_on+0xbd/0x310 [ 386.134731] ? kasan_check_read+0x11/0x20 [ 386.138881] ? __run_timers+0x7da/0xc70 [ 386.142856] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.148309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.152550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.156788] __run_timers+0x7e5/0xc70 [ 386.160620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.165983] ? lock_downgrade+0x900/0x900 [ 386.170143] ? print_usage_bug+0xc0/0xc0 [ 386.174204] ? trace_hardirqs_on+0x310/0x310 [ 386.178623] ? kvm_clock_read+0x18/0x30 [ 386.182621] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.187654] ? graph_lock+0x170/0x170 [ 386.191467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.197018] ? check_preemption_disabled+0x48/0x200 [ 386.202051] ? __lock_is_held+0xb5/0x140 [ 386.206115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.211658] ? check_preemption_disabled+0x48/0x200 [ 386.216685] run_timer_softirq+0x52/0xb0 [ 386.220751] ? rcu_read_lock_sched_held+0x108/0x120 [ 386.225769] __do_softirq+0x30b/0xad8 [ 386.229589] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.234696] ? irq_exit+0xbd/0x1c0 [ 386.238236] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.243254] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.249144] ? ret_from_intr+0xb/0x1e [ 386.252947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.257968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.262832] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.267852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.273395] ? check_preemption_disabled+0x48/0x200 [ 386.278417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.283965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.288826] ? neigh_periodic_work+0x6bd/0xc60 [ 386.293413] do_softirq_own_stack+0x2a/0x40 [ 386.297730] [ 386.299973] do_softirq.part.13+0x126/0x160 [ 386.304318] __local_bh_enable_ip+0x21d/0x260 [ 386.308820] _raw_write_unlock_bh+0x30/0x40 [ 386.313148] neigh_periodic_work+0x6bd/0xc60 [ 386.317575] ? neigh_table_clear+0x390/0x390 [ 386.321986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.327529] ? check_preemption_disabled+0x48/0x200 [ 386.332547] ? check_preemption_disabled+0x48/0x200 [ 386.337582] ? __lock_is_held+0xb5/0x140 [ 386.341661] process_one_work+0xc90/0x1b90 [ 386.345898] ? mark_held_locks+0x130/0x130 [ 386.350148] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 386.354823] ? __switch_to_asm+0x40/0x70 [ 386.358885] ? __switch_to_asm+0x40/0x70 [ 386.362946] ? __switch_to_asm+0x34/0x70 [ 386.367438] ? __switch_to_asm+0x40/0x70 [ 386.371512] ? __switch_to_asm+0x34/0x70 [ 386.375572] ? __switch_to_asm+0x40/0x70 [ 386.379637] ? __switch_to_asm+0x34/0x70 [ 386.383713] ? __switch_to_asm+0x40/0x70 [ 386.387784] ? __schedule+0x874/0x1ed0 [ 386.391691] ? __switch_to_asm+0x34/0x70 [ 386.395756] ? __switch_to_asm+0x40/0x70 [ 386.399841] ? kasan_check_read+0x11/0x20 [ 386.404024] ? graph_lock+0x170/0x170 [ 386.407829] ? __sched_text_start+0x8/0x8 [ 386.411982] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.416756] ? retint_kernel+0x2d/0x2d [ 386.420650] ? find_held_lock+0x36/0x1c0 [ 386.424739] ? lock_acquire+0x1ed/0x520 [ 386.428716] ? worker_thread+0x3e0/0x1390 [ 386.432892] ? lock_release+0x970/0x970 [ 386.436872] ? trace_hardirqs_off+0xb8/0x310 [ 386.441287] ? kasan_check_read+0x11/0x20 [ 386.445437] ? worker_thread+0x3e0/0x1390 [ 386.449596] ? trace_hardirqs_on+0x310/0x310 [ 386.454009] ? kasan_check_write+0x14/0x20 [ 386.458249] ? do_raw_spin_lock+0xc1/0x200 [ 386.462503] worker_thread+0x17f/0x1390 [ 386.466494] ? __switch_to_asm+0x34/0x70 [ 386.470586] ? process_one_work+0x1b90/0x1b90 [ 386.475101] ? graph_lock+0x170/0x170 [ 386.478907] ? graph_lock+0x170/0x170 [ 386.482710] ? find_held_lock+0x36/0x1c0 [ 386.486788] ? find_held_lock+0x36/0x1c0 [ 386.490859] ? __kthread_parkme+0xce/0x1a0 [ 386.495099] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.500215] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.505333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.509916] ? trace_hardirqs_on+0xbd/0x310 [ 386.514240] ? kasan_check_read+0x11/0x20 [ 386.518390] ? __kthread_parkme+0xce/0x1a0 [ 386.522631] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.528097] ? kasan_check_write+0x14/0x20 [ 386.532333] ? do_raw_spin_lock+0xc1/0x200 [ 386.536577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.541690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.547236] ? __kthread_parkme+0xfb/0x1a0 [ 386.551494] kthread+0x35a/0x420 [ 386.554868] ? process_one_work+0x1b90/0x1b90 [ 386.559366] ? kthread_bind+0x40/0x40 [ 386.563176] ret_from_fork+0x3a/0x50 [ 386.566911] warn_alloc_show_mem: 1 callbacks suppressed [ 386.566923] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 386.566925] Mem-Info: [ 386.566955] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 386.566955] active_file:14 inactive_file:13 isolated_file:0 [ 386.566955] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.566955] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 386.566955] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 386.566955] free:13770 free_pcp:433 free_cma:0 [ 386.572297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.572305] Call Trace: [ 386.579683] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.582083] [ 386.615130] Node 0 [ 386.624507] dump_stack+0x1c4/0x2b4 [ 386.627086] 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 [ 386.654661] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.656782] lowmem_reserve[]: [ 386.659029] warn_alloc.cold.119+0xb7/0x1bd [ 386.662620] 0 [ 386.688125] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.693288] 2819 [ 386.696390] ? lock_downgrade+0x900/0x900 [ 386.700679] 6323 6323 [ 386.702496] ? trace_hardirqs_off+0xb8/0x310 [ 386.707317] Node 0 [ 386.709379] ? trace_hardirqs_off+0xb8/0x310 [ 386.713528] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.716009] __alloc_pages_slowpath+0x2667/0x2d80 [ 386.720389] lowmem_reserve[]: [ 386.722659] ? warn_alloc+0x120/0x120 [ 386.727013] 0 [ 386.754009] ? trace_hardirqs_on+0x310/0x310 [ 386.758833] 0 [ 386.761944] ? warn_alloc+0x120/0x120 [ 386.765709] 3503 3503 [ 386.767520] ? print_usage_bug+0xc0/0xc0 [ 386.771902] Node 0 [ 386.773705] ? warn_alloc+0x120/0x120 [ 386.777515] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 386.779974] ? ktime_get+0x2e1/0x440 [ 386.779999] ? print_usage_bug+0xc0/0xc0 [ 386.784032] lowmem_reserve[]: [ 386.786265] ? __lock_acquire+0x7ec/0x4ec0 [ 386.790042] 0 [ 386.818599] ? __lock_acquire+0x7ec/0x4ec0 [ 386.822292] 0 [ 386.826350] ? kasan_check_read+0x11/0x20 [ 386.829425] 0 [ 386.833677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.835455] 0 [ 386.839696] ? should_fail+0x22d/0xd01 [ 386.845657] ? rcu_bh_qs+0xc0/0xc0 [ 386.847434] Node 0 [ 386.852976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.854748] DMA: 1*4kB [ 386.858640] ? __lock_acquire+0x7ec/0x4ec0 [ 386.862155] (U) [ 386.864392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.869474] 0*8kB [ 386.872054] ? __lock_acquire+0x7ec/0x4ec0 [ 386.876263] 0*16kB [ 386.878232] ? should_fail+0x22d/0xd01 [ 386.883309] 1*32kB [ 386.885483] ? rcu_idle_enter+0x4b0/0x4b0 [ 386.889695] (U) [ 386.891931] ? mark_held_locks+0x130/0x130 [ 386.895790] 2*64kB [ 386.898035] ? mark_held_locks+0x130/0x130 [ 386.902160] (U) [ 386.904133] ? mark_held_locks+0xc7/0x130 [ 386.908355] 1*128kB [ 386.910590] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.914798] (U) [ 386.916768] ? graph_lock+0x170/0x170 [ 386.920895] 1*256kB [ 386.923211] ? print_usage_bug+0xc0/0xc0 [ 386.928209] (U) [ 386.930187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.933956] 0*512kB 1*1024kB [ 386.936290] ? check_preemption_disabled+0x48/0x200 [ 386.940337] (U) [ 386.942314] ? check_preemption_disabled+0x48/0x200 [ 386.947829] 1*2048kB [ 386.950933] ? __lock_is_held+0xb5/0x140 [ 386.955918] (M) [ 386.957895] __alloc_pages_nodemask+0xa80/0xde0 [ 386.962877] 3*4096kB (M) [ 386.965289] ? graph_lock+0x170/0x170 [ 386.969355] = 15908kB [ 386.971326] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.975969] Node 0 [ 386.978744] ? graph_lock+0x170/0x170 [ 386.978770] ? find_held_lock+0x36/0x1c0 [ 386.982533] DMA32: 5*4kB [ 386.984957] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.989944] (UMH) [ 386.992228] ? lock_downgrade+0x900/0x900 [ 386.996005] 2*8kB [ 387.000069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.002823] (MH) [ 387.007504] cache_grow_begin+0x91/0x8c0 [ 387.009628] 3*16kB [ 387.013770] ? do_raw_spin_unlock+0xa7/0x2f0 [ 387.015890] (MH) [ 387.021428] fallback_alloc+0x203/0x2e0 [ 387.023473] 3*32kB [ 387.027536] ____cache_alloc_node+0x1c7/0x1e0 [ 387.029746] (MH) [ 387.034150] kmem_cache_alloc_node+0xe3/0x730 [ 387.036179] 5*64kB (MH) [ 387.040162] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.042375] 3*128kB [ 387.046872] __alloc_skb+0x119/0x770 [ 387.048911] (M) [ 387.053407] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.056049] 5*256kB [ 387.060275] ? skb_scrub_packet+0x490/0x490 [ 387.062573] (UMH) [ 387.066279] ? lock_downgrade+0x900/0x900 [ 387.068234] 5*512kB [ 387.073515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.075809] (UMH) [ 387.080158] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.082289] 4*1024kB [ 387.086428] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.088738] (UMH) [ 387.094289] ? addrconf_rs_timer+0x690/0x690 [ 387.096409] 2*2048kB (M) [ 387.101887] ndisc_alloc_skb+0x144/0x340 [ 387.104263] 3*4096kB (M) [ 387.109721] ndisc_send_rs+0x331/0x6e0 [ 387.111847] = 25204kB [ 387.116263] addrconf_rs_timer+0x314/0x690 [ 387.118986] Node 0 Normal: [ 387.123057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.125789] 990*4kB [ 387.129689] call_timer_fn+0x272/0x920 [ 387.132067] (UMEH) [ 387.136299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.139210] 505*8kB [ 387.143440] ? process_timeout+0x40/0x40 [ 387.145737] (MEH) [ 387.149617] ? find_held_lock+0x36/0x1c0 [ 387.151832] 189*16kB [ 387.156064] ? __run_timers+0x7da/0xc70 [ 387.158361] (MEH) [ 387.162419] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.164543] 66*32kB [ 387.168598] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.170983] (UMH) 0*64kB [ 387.174956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.177085] 1*128kB [ 387.181578] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 387.183876] (H) [ 387.188373] ? trace_hardirqs_on+0xbd/0x310 [ 387.191102] 1*256kB (H) [ 387.195344] ? kasan_check_read+0x11/0x20 [ 387.197642] 1*512kB [ 387.202223] ? __run_timers+0x7da/0xc70 [ 387.204171] (H) [ 387.208492] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.211141] 0*1024kB 0*2048kB [ 387.215298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.217599] 0*4096kB [ 387.221568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.223521] = 14032kB [ 387.228966] __run_timers+0x7e5/0xc70 [ 387.232142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.236372] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 387.238755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.242977] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.245366] 5170 total pagecache pages [ 387.249161] ? graph_lock+0x170/0x170 [ 387.257977] 0 pages in swap cache [ 387.263338] ? enqueue_hrtimer+0x1a5/0x560 [ 387.271884] Swap cache stats: add 0, delete 0, find 0/0 [ 387.271893] Free swap = 0kB [ 387.276906] ? lock_release+0x970/0x970 [ 387.280764] Total swap = 0kB [ 387.284558] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.287995] 1965979 pages RAM [ 387.292224] ? find_held_lock+0x36/0x1c0 [ 387.297557] 0 pages HighMem/MovableOnly [ 387.297565] 342306 pages reserved [ 387.300608] ? graph_lock+0x170/0x170 [ 387.304558] 0 pages cma reserved [ 387.307586] ? pvclock_read_flags+0x160/0x160 [ 387.312821] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.315872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.319981] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.323887] ? check_preemption_disabled+0x48/0x200 [ 387.327313] kworker/0:2 cpuset= [ 387.331117] ? __lock_is_held+0xb5/0x140 [ 387.334486] / [ 387.338977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.345446] mems_allowed=0 [ 387.350989] ? check_preemption_disabled+0x48/0x200 [ 387.388749] run_timer_softirq+0x52/0xb0 [ 387.392822] ? rcu_read_lock_sched_held+0x108/0x120 [ 387.397845] __do_softirq+0x30b/0xad8 [ 387.401663] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 387.406772] ? pvclock_read_flags+0x160/0x160 [ 387.411269] ? lapic_next_event+0x5a/0x90 [ 387.415425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.420964] ? check_preemption_disabled+0x48/0x200 [ 387.425992] ? check_preemption_disabled+0x48/0x200 [ 387.431020] ? kvm_clock_read+0x18/0x30 [ 387.434999] ? kvm_sched_clock_read+0x9/0x20 [ 387.439416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.444958] ? check_preemption_disabled+0x48/0x200 [ 387.450005] irq_exit+0x17f/0x1c0 [ 387.453472] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.458317] ? smp_reschedule_interrupt+0x109/0x650 [ 387.463339] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.469245] ? interrupt_entry+0xb5/0xf0 [ 387.473313] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.478334] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.483358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.488205] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.493228] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.498728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.504276] ? check_preemption_disabled+0x48/0x200 [ 387.509302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.514856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.519717] apic_timer_interrupt+0xf/0x20 [ 387.523949] [ 387.526200] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.531135] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 387.550046] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 387.557770] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.565043] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 387.572313] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 387.579583] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.586853] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 387.594178] skb_clone+0x1bb/0x500 [ 387.597723] ? finish_task_switch+0x2f5/0x900 [ 387.602227] ? skb_split+0x11e0/0x11e0 [ 387.606122] ? preempt_notifier_register+0x200/0x200 [ 387.611236] ? __switch_to_asm+0x34/0x70 [ 387.615304] ? __switch_to_asm+0x34/0x70 [ 387.619380] ? __switch_to_asm+0x40/0x70 [ 387.623440] ? __switch_to_asm+0x34/0x70 [ 387.627515] ? __switch_to_asm+0x40/0x70 [ 387.631578] ? __switch_to_asm+0x34/0x70 [ 387.635644] ? __switch_to_asm+0x40/0x70 [ 387.639704] ? __switch_to_asm+0x34/0x70 [ 387.643767] ? __switch_to_asm+0x34/0x70 [ 387.647835] ? __switch_to_asm+0x40/0x70 [ 387.651897] ? __switch_to_asm+0x34/0x70 [ 387.655976] bpf_clone_redirect+0xb9/0x490 [ 387.660219] ? __schedule+0x874/0x1ed0 [ 387.664122] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 387.669143] ? __sched_text_start+0x8/0x8 [ 387.673308] ? find_held_lock+0x36/0x1c0 [ 387.677377] ? lock_acquire+0x1ed/0x520 [ 387.681356] ? bpf_test_run+0x3cb/0x780 [ 387.685337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.690877] ? check_preemption_disabled+0x48/0x200 [ 387.695901] ? kasan_check_read+0x11/0x20 [ 387.700058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.705338] ? rcu_bh_qs+0xc0/0xc0 [ 387.708883] ? preempt_schedule+0x4d/0x60 [ 387.713037] ? ___preempt_schedule+0x16/0x18 [ 387.717456] ? bpf_test_run+0x25d/0x780 [ 387.721452] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.725878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.731428] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 387.736201] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.741044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.746601] ? fput+0x130/0x1a0 [ 387.749889] ? __bpf_prog_get+0x9b/0x290 [ 387.753954] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.758803] ? bpf_prog_test_run+0x130/0x1a0 [ 387.763245] ? __x64_sys_bpf+0x3d8/0x520 [ 387.767306] ? bpf_prog_get+0x20/0x20 [ 387.771133] ? do_syscall_64+0x1b9/0x820 [ 387.775197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.780568] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.785504] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.790527] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.795558] ? recalc_sigpending_tsk+0x180/0x180 [ 387.800323] ? kasan_check_write+0x14/0x20 [ 387.804568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.809428] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.814823] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 387.814905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.821933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.821955] Workqueue: events_power_efficient neigh_periodic_work [ 387.821964] Call Trace: [ 387.821973] [ 387.828558] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.837819] dump_stack+0x1c4/0x2b4 [ 387.844027] syz-executor2 cpuset= [ 387.846612] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.848736] syz2 [ 387.859225] warn_alloc.cold.119+0xb7/0x1bd [ 387.862830] mems_allowed=0 [ 387.866275] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.885497] ? lock_downgrade+0x900/0x900 [ 387.889667] ? trace_hardirqs_off+0xb8/0x310 [ 387.894085] ? trace_hardirqs_off+0xb8/0x310 [ 387.898517] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.903397] ? warn_alloc+0x120/0x120 [ 387.907206] ? warn_alloc+0x120/0x120 [ 387.911012] ? print_usage_bug+0xc0/0xc0 [ 387.915078] ? warn_alloc+0x120/0x120 [ 387.918881] ? print_usage_bug+0xc0/0xc0 [ 387.922950] ? __lock_acquire+0x7ec/0x4ec0 [ 387.927186] ? __lock_acquire+0x7ec/0x4ec0 [ 387.931426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.936970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.942518] ? should_fail+0x22d/0xd01 [ 387.946413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.951520] ? __lock_acquire+0x7ec/0x4ec0 [ 387.955759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.960861] ? __lock_acquire+0x7ec/0x4ec0 [ 387.965096] ? should_fail+0x22d/0xd01 [ 387.968994] ? mark_held_locks+0x130/0x130 [ 387.973235] ? mark_held_locks+0x130/0x130 [ 387.977487] ? graph_lock+0x170/0x170 [ 387.981292] ? print_usage_bug+0xc0/0xc0 [ 387.985352] ? graph_lock+0x170/0x170 [ 387.989152] ? print_usage_bug+0xc0/0xc0 [ 387.993214] ? wq_watchdog_touch+0x9c/0xfe [ 387.997450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.003004] ? check_preemption_disabled+0x48/0x200 [ 388.008028] ? check_preemption_disabled+0x48/0x200 [ 388.013061] ? __lock_is_held+0xb5/0x140 [ 388.017134] __alloc_pages_nodemask+0xa80/0xde0 [ 388.021809] ? graph_lock+0x170/0x170 [ 388.025620] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 388.030634] ? graph_lock+0x170/0x170 [ 388.034449] ? find_held_lock+0x36/0x1c0 [ 388.038535] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.043215] ? lock_downgrade+0x900/0x900 [ 388.047379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.052926] cache_grow_begin+0x91/0x8c0 [ 388.056990] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.061408] fallback_alloc+0x203/0x2e0 [ 388.065392] ____cache_alloc_node+0x1c7/0x1e0 [ 388.069894] kmem_cache_alloc_node+0xe3/0x730 [ 388.074393] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.078642] __alloc_skb+0x119/0x770 [ 388.082359] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.087644] ? skb_scrub_packet+0x490/0x490 [ 388.091967] ? lock_downgrade+0x900/0x900 [ 388.096127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.101672] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.107130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.112586] ? addrconf_rs_timer+0x690/0x690 [ 388.117009] ndisc_alloc_skb+0x144/0x340 [ 388.121079] ndisc_send_rs+0x331/0x6e0 [ 388.124972] addrconf_rs_timer+0x314/0x690 [ 388.129217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.133477] call_timer_fn+0x272/0x920 [ 388.137389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.141631] ? process_timeout+0x40/0x40 [ 388.145691] ? find_held_lock+0x36/0x1c0 [ 388.149764] ? mark_held_locks+0xc7/0x130 [ 388.153917] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.158428] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.162963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.167198] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 388.171785] ? trace_hardirqs_on+0xbd/0x310 [ 388.176113] ? kasan_check_read+0x11/0x20 [ 388.180279] ? __run_timers+0x7da/0xc70 [ 388.184259] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.189721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.193965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.198208] __run_timers+0x7e5/0xc70 [ 388.202027] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.207393] ? lock_downgrade+0x900/0x900 [ 388.211556] ? print_usage_bug+0xc0/0xc0 [ 388.215624] ? trace_hardirqs_on+0x310/0x310 [ 388.220049] ? kvm_clock_read+0x18/0x30 [ 388.224025] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.229047] ? graph_lock+0x170/0x170 [ 388.232852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.238397] ? check_preemption_disabled+0x48/0x200 [ 388.243426] ? __lock_is_held+0xb5/0x140 [ 388.247507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.253053] ? check_preemption_disabled+0x48/0x200 [ 388.258086] run_timer_softirq+0x52/0xb0 [ 388.262151] ? rcu_read_lock_sched_held+0x108/0x120 [ 388.267183] __do_softirq+0x30b/0xad8 [ 388.270995] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.276101] ? irq_exit+0xbd/0x1c0 [ 388.279651] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 388.284673] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.290578] ? ret_from_intr+0xb/0x1e [ 388.294383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.299400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.304265] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.309282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.314826] ? check_preemption_disabled+0x48/0x200 [ 388.319846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.325393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.330242] ? neigh_periodic_work+0x6bd/0xc60 [ 388.334826] do_softirq_own_stack+0x2a/0x40 [ 388.339140] [ 388.341380] do_softirq.part.13+0x126/0x160 [ 388.345709] __local_bh_enable_ip+0x21d/0x260 [ 388.350210] _raw_write_unlock_bh+0x30/0x40 [ 388.354540] neigh_periodic_work+0x6bd/0xc60 [ 388.358966] ? neigh_table_clear+0x390/0x390 [ 388.363379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.369370] ? check_preemption_disabled+0x48/0x200 [ 388.374389] ? check_preemption_disabled+0x48/0x200 [ 388.379420] ? __lock_is_held+0xb5/0x140 [ 388.383521] process_one_work+0xc90/0x1b90 [ 388.387761] ? mark_held_locks+0x130/0x130 [ 388.392012] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 388.396685] ? __switch_to_asm+0x40/0x70 [ 388.400751] ? __switch_to_asm+0x40/0x70 [ 388.404812] ? __switch_to_asm+0x34/0x70 [ 388.408874] ? __switch_to_asm+0x40/0x70 [ 388.412945] ? __switch_to_asm+0x34/0x70 [ 388.417008] ? __switch_to_asm+0x40/0x70 [ 388.421069] ? __switch_to_asm+0x34/0x70 [ 388.425130] ? __switch_to_asm+0x40/0x70 [ 388.429200] ? __schedule+0x874/0x1ed0 [ 388.433092] ? __switch_to_asm+0x34/0x70 [ 388.437154] ? __switch_to_asm+0x40/0x70 [ 388.441323] ? kasan_check_read+0x11/0x20 [ 388.445489] ? graph_lock+0x170/0x170 [ 388.449297] ? __sched_text_start+0x8/0x8 [ 388.453477] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.458075] ? retint_kernel+0x2d/0x2d [ 388.461968] ? find_held_lock+0x36/0x1c0 [ 388.466039] ? lock_acquire+0x1ed/0x520 [ 388.470014] ? worker_thread+0x3e0/0x1390 [ 388.474166] ? lock_release+0x970/0x970 [ 388.478152] ? trace_hardirqs_off+0xb8/0x310 [ 388.482565] ? kasan_check_read+0x11/0x20 [ 388.486744] ? worker_thread+0x3e0/0x1390 [ 388.490896] ? trace_hardirqs_on+0x310/0x310 [ 388.495311] ? kasan_check_write+0x14/0x20 [ 388.499548] ? do_raw_spin_lock+0xc1/0x200 [ 388.503795] worker_thread+0x17f/0x1390 [ 388.507774] ? __switch_to_asm+0x34/0x70 [ 388.511858] ? process_one_work+0x1b90/0x1b90 [ 388.516380] ? graph_lock+0x170/0x170 [ 388.520184] ? graph_lock+0x170/0x170 [ 388.523984] ? find_held_lock+0x36/0x1c0 [ 388.528061] ? find_held_lock+0x36/0x1c0 [ 388.532133] ? __kthread_parkme+0xce/0x1a0 [ 388.536381] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.541511] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.546621] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.551207] ? trace_hardirqs_on+0xbd/0x310 [ 388.555530] ? kasan_check_read+0x11/0x20 [ 388.559678] ? __kthread_parkme+0xce/0x1a0 [ 388.563917] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.569372] ? kasan_check_write+0x14/0x20 [ 388.573619] ? do_raw_spin_lock+0xc1/0x200 [ 388.577863] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.582974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.588540] ? __kthread_parkme+0xfb/0x1a0 [ 388.592785] kthread+0x35a/0x420 [ 388.596162] ? process_one_work+0x1b90/0x1b90 [ 388.600659] ? kthread_bind+0x40/0x40 [ 388.604475] ret_from_fork+0x3a/0x50 [ 388.608217] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 388.608223] warn_alloc_show_mem: 1 callbacks suppressed [ 388.608230] Mem-Info: [ 388.615588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.615597] Call Trace: [ 388.620968] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 388.620968] active_file:14 inactive_file:13 isolated_file:0 [ 388.620968] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.620968] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 388.620968] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 388.620968] free:13770 free_pcp:433 free_cma:0 [ 388.623345] [ 388.632727] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.635331] dump_stack+0x1c4/0x2b4 [ 388.668356] Node 0 [ 388.670532] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.698113] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 388.701721] warn_alloc.cold.119+0xb7/0x1bd [ 388.703926] lowmem_reserve[]: [ 388.709116] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.734594] 0 [ 388.738920] ? lock_downgrade+0x900/0x900 [ 388.742001] 2819 [ 388.746843] ? trace_hardirqs_off+0xb8/0x310 [ 388.748616] 6323 [ 388.752758] ? trace_hardirqs_off+0xb8/0x310 [ 388.754790] 6323 [ 388.759216] __alloc_pages_slowpath+0x2667/0x2d80 [ 388.761253] Node 0 [ 388.765683] ? warn_alloc+0x120/0x120 [ 388.767719] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 388.772536] ? warn_alloc+0x120/0x120 [ 388.774740] lowmem_reserve[]: 0 [ 388.778563] ? print_usage_bug+0xc0/0xc0 [ 388.805531] 0 3503 [ 388.809344] ? warn_alloc+0x120/0x120 [ 388.812602] 3503 [ 388.816655] ? print_usage_bug+0xc0/0xc0 [ 388.822664] ? should_fail+0x22d/0xd01 [ 388.824700] Node 0 [ 388.828758] ? __lock_acquire+0x7ec/0x4ec0 [ 388.832649] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 388.834859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.839066] lowmem_reserve[]: [ 388.867610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.873124] 0 [ 388.876224] ? should_fail+0x22d/0xd01 [ 388.881729] 0 0 [ 388.883536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.887390] 0 [ 388.889367] ? __lock_acquire+0x7ec/0x4ec0 [ 388.894449] Node 0 [ 388.896254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.900475] DMA: [ 388.902707] ? __lock_acquire+0x7ec/0x4ec0 [ 388.907786] 1*4kB [ 388.909843] ? should_fail+0x22d/0xd01 [ 388.914053] (U) [ 388.916216] ? mark_held_locks+0x130/0x130 [ 388.920073] 0*8kB [ 388.922059] ? mark_held_locks+0x130/0x130 [ 388.926269] 0*16kB [ 388.928429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.932654] 1*32kB [ 388.934884] ? graph_lock+0x170/0x170 [ 388.940394] (U) [ 388.942624] ? graph_lock+0x170/0x170 [ 388.946393] 2*64kB (U) [ 388.948371] ? print_usage_bug+0xc0/0xc0 [ 388.952152] 1*128kB [ 388.954735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.958768] (U) [ 388.961089] ? check_preemption_disabled+0x48/0x200 [ 388.966594] 1*256kB (U) [ 388.968576] ? check_preemption_disabled+0x48/0x200 [ 388.973572] 0*512kB [ 388.976241] ? __lock_is_held+0xb5/0x140 [ 388.981231] 1*1024kB [ 388.983552] __alloc_pages_nodemask+0xa80/0xde0 [ 388.987584] (U) [ 388.989988] ? graph_lock+0x170/0x170 [ 388.994630] 1*2048kB [ 388.996605] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.000379] (M) [ 389.002786] ? graph_lock+0x170/0x170 [ 389.007782] 3*4096kB [ 389.009767] ? find_held_lock+0x36/0x1c0 [ 389.013533] (M) [ 389.015944] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.019975] = 15908kB [ 389.021947] ? lock_downgrade+0x900/0x900 [ 389.026598] Node 0 [ 389.029013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.033130] DMA32: 5*4kB [ 389.035382] cache_grow_begin+0x91/0x8c0 [ 389.040892] (UMH) [ 389.043652] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.047690] 2*8kB [ 389.049844] fallback_alloc+0x203/0x2e0 [ 389.054222] (MH) [ 389.056372] ____cache_alloc_node+0x1c7/0x1e0 [ 389.060318] 3*16kB [ 389.062382] kmem_cache_alloc_node+0xe3/0x730 [ 389.066851] (MH) [ 389.069087] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.073563] 3*32kB [ 389.075625] __alloc_skb+0x119/0x770 [ 389.079828] (MH) [ 389.082063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.085753] 5*64kB [ 389.087820] ? skb_scrub_packet+0x490/0x490 [ 389.093090] (MH) [ 389.095335] ? lock_downgrade+0x900/0x900 [ 389.099635] 3*128kB [ 389.101695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.105813] (M) [ 389.108134] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.113646] 5*256kB [ 389.115625] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.121060] (UMH) [ 389.123382] ? addrconf_rs_timer+0x690/0x690 [ 389.128812] 5*512kB [ 389.130966] ndisc_alloc_skb+0x144/0x340 [ 389.135347] (UMH) [ 389.137671] ndisc_send_rs+0x331/0x6e0 [ 389.141721] 4*1024kB [ 389.143868] addrconf_rs_timer+0x314/0x690 [ 389.147737] (UMH) [ 389.150153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.154373] 2*2048kB [ 389.156530] call_timer_fn+0x272/0x920 [ 389.160728] (M) [ 389.163131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.166991] 3*4096kB (M) [ 389.168971] ? process_timeout+0x40/0x40 [ 389.173183] = 25204kB [ 389.175935] ? find_held_lock+0x36/0x1c0 [ 389.179970] Node 0 [ 389.182383] ? __run_timers+0x7da/0xc70 [ 389.186417] Normal: [ 389.188651] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.192604] 990*4kB [ 389.194924] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.199396] (UMEH) [ 389.201714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.206188] 505*8kB [ 389.208429] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.212639] (MEH) [ 389.214978] ? trace_hardirqs_on+0xbd/0x310 [ 389.219538] 189*16kB [ 389.221685] ? kasan_check_read+0x11/0x20 [ 389.225980] (MEH) [ 389.228390] ? __run_timers+0x7da/0xc70 [ 389.232516] 66*32kB [ 389.234660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.238609] (UMH) [ 389.240934] ? tcp_delack_timer_handler+0x810/0x810 [ 389.246357] 0*64kB [ 389.248505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.253522] 1*128kB [ 389.255756] __run_timers+0x7e5/0xc70 [ 389.259974] (H) [ 389.262306] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.266073] 1*256kB [ 389.268043] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.273373] (H) 1*512kB [ 389.275717] ? graph_lock+0x170/0x170 [ 389.280710] (H) [ 389.283379] ? enqueue_hrtimer+0x1a5/0x560 [ 389.287155] 0*1024kB [ 389.289128] ? lock_release+0x970/0x970 [ 389.293338] 0*2048kB [ 389.295740] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.299688] 0*4096kB [ 389.302098] ? find_held_lock+0x36/0x1c0 [ 389.307259] = 14032kB [ 389.309665] ? graph_lock+0x170/0x170 [ 389.313708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.316124] ? pvclock_read_flags+0x160/0x160 [ 389.319908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.328737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.333208] 5170 total pagecache pages [ 389.341784] ? check_preemption_disabled+0x48/0x200 [ 389.347304] 0 pages in swap cache [ 389.351185] ? __lock_is_held+0xb5/0x140 [ 389.356171] Swap cache stats: add 0, delete 0, find 0/0 [ 389.359624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.363663] Free swap = 0kB [ 389.369026] ? check_preemption_disabled+0x48/0x200 [ 389.374536] Total swap = 0kB [ 389.377553] run_timer_softirq+0x52/0xb0 [ 389.382538] 1965979 pages RAM [ 389.385552] ? rcu_read_lock_sched_held+0x108/0x120 [ 389.389590] 0 pages HighMem/MovableOnly [ 389.392692] __do_softirq+0x30b/0xad8 [ 389.397682] 342306 pages reserved [ 389.401659] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 389.405427] 0 pages cma reserved [ 389.405524] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.408883] ? pvclock_read_flags+0x160/0x160 [ 389.414052] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.417316] ? lapic_next_event+0x5a/0x90 [ 389.423785] kworker/0:2 cpuset= [ 389.428276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.438559] / [ 389.442706] ? check_preemption_disabled+0x48/0x200 [ 389.445962] mems_allowed=0 [ 389.451495] ? check_preemption_disabled+0x48/0x200 [ 389.451517] ? kvm_clock_read+0x18/0x30 [ 389.470094] ? kvm_sched_clock_read+0x9/0x20 [ 389.474509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.480050] ? check_preemption_disabled+0x48/0x200 [ 389.485088] irq_exit+0x17f/0x1c0 [ 389.488552] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.493406] ? smp_reschedule_interrupt+0x109/0x650 [ 389.498889] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.504782] ? interrupt_entry+0xb5/0xf0 [ 389.508860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.513877] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.518895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.523744] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.528762] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.533790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.539335] ? check_preemption_disabled+0x48/0x200 [ 389.544366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.549914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.554772] apic_timer_interrupt+0xf/0x20 [ 389.559006] [ 389.561249] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 389.566178] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 389.585080] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 389.592791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 389.600057] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 389.607323] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 389.614590] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 389.621863] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 389.629178] skb_clone+0x1bb/0x500 [ 389.632722] ? finish_task_switch+0x2f5/0x900 [ 389.637220] ? skb_split+0x11e0/0x11e0 [ 389.641108] ? preempt_notifier_register+0x200/0x200 [ 389.646212] ? __switch_to_asm+0x34/0x70 [ 389.650280] ? __switch_to_asm+0x34/0x70 [ 389.654342] ? __switch_to_asm+0x40/0x70 [ 389.658405] ? __switch_to_asm+0x34/0x70 [ 389.662475] ? __switch_to_asm+0x40/0x70 [ 389.666539] ? __switch_to_asm+0x34/0x70 [ 389.670598] ? __switch_to_asm+0x40/0x70 [ 389.674678] ? __switch_to_asm+0x34/0x70 [ 389.678743] ? __switch_to_asm+0x34/0x70 [ 389.682818] ? __switch_to_asm+0x40/0x70 [ 389.686881] ? __switch_to_asm+0x34/0x70 [ 389.690950] bpf_clone_redirect+0xb9/0x490 [ 389.695192] ? __schedule+0x874/0x1ed0 [ 389.699107] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 389.704130] ? __sched_text_start+0x8/0x8 [ 389.708296] ? find_held_lock+0x36/0x1c0 [ 389.712369] ? lock_acquire+0x1ed/0x520 [ 389.716346] ? bpf_test_run+0x3cb/0x780 [ 389.720328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.725873] ? check_preemption_disabled+0x48/0x200 [ 389.730903] ? kasan_check_read+0x11/0x20 [ 389.735066] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.740395] ? rcu_bh_qs+0xc0/0xc0 [ 389.743937] ? preempt_schedule+0x4d/0x60 [ 389.748087] ? ___preempt_schedule+0x16/0x18 [ 389.752504] ? bpf_test_run+0x25d/0x780 [ 389.756498] ? netlink_diag_dump+0x2a0/0x2a0 [ 389.760912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.766458] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 389.771234] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.776079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.781614] ? fput+0x130/0x1a0 [ 389.784907] ? __bpf_prog_get+0x9b/0x290 [ 389.788971] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.793821] ? bpf_prog_test_run+0x130/0x1a0 [ 389.798239] ? __x64_sys_bpf+0x3d8/0x520 [ 389.802301] ? bpf_prog_get+0x20/0x20 [ 389.806126] ? do_syscall_64+0x1b9/0x820 [ 389.810195] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.815564] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.820504] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.825524] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.830561] ? recalc_sigpending_tsk+0x180/0x180 [ 389.835324] ? kasan_check_write+0x14/0x20 [ 389.839566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.844429] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.849834] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 389.849917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.856947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.856969] Workqueue: events_power_efficient neigh_periodic_work [ 389.856977] Call Trace: [ 389.856985] [ 389.857005] dump_stack+0x1c4/0x2b4 [ 389.857023] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.863612] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.872882] warn_alloc.cold.119+0xb7/0x1bd [ 389.879082] syz-executor2 cpuset= [ 389.881663] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.883789] syz2 [ 389.887411] ? lock_downgrade+0x900/0x900 [ 389.892595] mems_allowed=0 [ 389.903112] ? trace_hardirqs_off+0xb8/0x310 [ 389.929125] ? trace_hardirqs_off+0xb8/0x310 [ 389.933548] __alloc_pages_slowpath+0x2667/0x2d80 [ 389.938425] ? warn_alloc+0x120/0x120 [ 389.942228] ? trace_hardirqs_on+0x310/0x310 [ 389.946640] ? warn_alloc+0x120/0x120 [ 389.950446] ? print_usage_bug+0xc0/0xc0 [ 389.954524] ? warn_alloc+0x120/0x120 [ 389.958324] ? ktime_get+0x2e1/0x440 [ 389.962036] ? print_usage_bug+0xc0/0xc0 [ 389.966116] ? __lock_acquire+0x7ec/0x4ec0 [ 389.970350] ? __lock_acquire+0x7ec/0x4ec0 [ 389.974589] ? kasan_check_read+0x11/0x20 [ 389.978740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.984286] ? should_fail+0x22d/0xd01 [ 389.988176] ? rcu_bh_qs+0xc0/0xc0 [ 389.991721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.996831] ? __lock_acquire+0x7ec/0x4ec0 [ 390.001072] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.006173] ? __lock_acquire+0x7ec/0x4ec0 [ 390.010412] ? should_fail+0x22d/0xd01 [ 390.014299] ? rcu_idle_enter+0x4b0/0x4b0 [ 390.018456] ? mark_held_locks+0x130/0x130 [ 390.022722] ? mark_held_locks+0x130/0x130 [ 390.026965] ? mark_held_locks+0xc7/0x130 [ 390.031117] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 390.036135] ? graph_lock+0x170/0x170 [ 390.039938] ? print_usage_bug+0xc0/0xc0 [ 390.044002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.049546] ? check_preemption_disabled+0x48/0x200 [ 390.054563] ? check_preemption_disabled+0x48/0x200 [ 390.059597] ? __lock_is_held+0xb5/0x140 [ 390.063671] __alloc_pages_nodemask+0xa80/0xde0 [ 390.068341] ? graph_lock+0x170/0x170 [ 390.072148] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.077163] ? graph_lock+0x170/0x170 [ 390.080975] ? find_held_lock+0x36/0x1c0 [ 390.085049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.089720] ? lock_downgrade+0x900/0x900 [ 390.093878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.099423] cache_grow_begin+0x91/0x8c0 [ 390.103497] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.107919] fallback_alloc+0x203/0x2e0 [ 390.111903] ____cache_alloc_node+0x1c7/0x1e0 [ 390.116404] kmem_cache_alloc_node+0xe3/0x730 [ 390.120904] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.125154] __alloc_skb+0x119/0x770 [ 390.128872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.134156] ? skb_scrub_packet+0x490/0x490 [ 390.138495] ? lock_downgrade+0x900/0x900 [ 390.142652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.148193] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.153653] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.159102] ? addrconf_rs_timer+0x690/0x690 [ 390.163529] ndisc_alloc_skb+0x144/0x340 [ 390.167597] ndisc_send_rs+0x331/0x6e0 [ 390.171507] addrconf_rs_timer+0x314/0x690 [ 390.175749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.180004] call_timer_fn+0x272/0x920 [ 390.183891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.188128] ? process_timeout+0x40/0x40 [ 390.192194] ? find_held_lock+0x36/0x1c0 [ 390.196281] ? mark_held_locks+0xc7/0x130 [ 390.200442] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.204958] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.209458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.213709] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.218294] ? trace_hardirqs_on+0xbd/0x310 [ 390.222617] ? kasan_check_read+0x11/0x20 [ 390.226772] ? __run_timers+0x7da/0xc70 [ 390.230750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.236207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.240447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.244699] __run_timers+0x7e5/0xc70 [ 390.248524] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.253887] ? lock_downgrade+0x900/0x900 [ 390.258050] ? print_usage_bug+0xc0/0xc0 [ 390.262115] ? trace_hardirqs_on+0x310/0x310 [ 390.266533] ? kvm_clock_read+0x18/0x30 [ 390.270516] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 390.275540] ? graph_lock+0x170/0x170 [ 390.279345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.284887] ? check_preemption_disabled+0x48/0x200 [ 390.289924] ? __lock_is_held+0xb5/0x140 [ 390.293990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.299530] ? check_preemption_disabled+0x48/0x200 [ 390.304555] run_timer_softirq+0x52/0xb0 [ 390.308632] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.313651] __do_softirq+0x30b/0xad8 [ 390.317474] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.322584] ? irq_exit+0xbd/0x1c0 [ 390.326128] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 390.331148] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.337034] ? ret_from_intr+0xb/0x1e [ 390.340836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.345857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.350701] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.355731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.361271] ? check_preemption_disabled+0x48/0x200 [ 390.366752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.372301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.377150] ? neigh_periodic_work+0x6bd/0xc60 [ 390.381734] do_softirq_own_stack+0x2a/0x40 [ 390.386054] [ 390.388298] do_softirq.part.13+0x126/0x160 [ 390.392624] __local_bh_enable_ip+0x21d/0x260 [ 390.397128] _raw_write_unlock_bh+0x30/0x40 [ 390.401454] neigh_periodic_work+0x6bd/0xc60 [ 390.405893] ? neigh_table_clear+0x390/0x390 [ 390.410306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.415858] ? check_preemption_disabled+0x48/0x200 [ 390.420874] ? check_preemption_disabled+0x48/0x200 [ 390.425906] ? __lock_is_held+0xb5/0x140 [ 390.429984] process_one_work+0xc90/0x1b90 [ 390.434222] ? mark_held_locks+0x130/0x130 [ 390.438498] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 390.443172] ? __switch_to_asm+0x40/0x70 [ 390.447246] ? __switch_to_asm+0x40/0x70 [ 390.451309] ? __switch_to_asm+0x34/0x70 [ 390.455374] ? __switch_to_asm+0x40/0x70 [ 390.459435] ? __switch_to_asm+0x34/0x70 [ 390.463511] ? __switch_to_asm+0x40/0x70 [ 390.467572] ? __switch_to_asm+0x34/0x70 [ 390.471634] ? __switch_to_asm+0x40/0x70 [ 390.475731] ? __schedule+0x874/0x1ed0 [ 390.479623] ? __switch_to_asm+0x34/0x70 [ 390.483687] ? __switch_to_asm+0x40/0x70 [ 390.487769] ? kasan_check_read+0x11/0x20 [ 390.491920] ? graph_lock+0x170/0x170 [ 390.495728] ? __sched_text_start+0x8/0x8 [ 390.499881] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.504473] ? retint_kernel+0x2d/0x2d [ 390.508374] ? find_held_lock+0x36/0x1c0 [ 390.512444] ? lock_acquire+0x1ed/0x520 [ 390.516426] ? worker_thread+0x3e0/0x1390 [ 390.520585] ? lock_release+0x970/0x970 [ 390.524561] ? trace_hardirqs_off+0xb8/0x310 [ 390.528971] ? kasan_check_read+0x11/0x20 [ 390.533117] ? worker_thread+0x3e0/0x1390 [ 390.537270] ? trace_hardirqs_on+0x310/0x310 [ 390.541690] ? kasan_check_write+0x14/0x20 [ 390.545934] ? do_raw_spin_lock+0xc1/0x200 [ 390.550179] worker_thread+0x17f/0x1390 [ 390.554155] ? __switch_to_asm+0x34/0x70 [ 390.558234] ? process_one_work+0x1b90/0x1b90 [ 390.562740] ? graph_lock+0x170/0x170 [ 390.566548] ? graph_lock+0x170/0x170 [ 390.570353] ? find_held_lock+0x36/0x1c0 [ 390.574437] ? find_held_lock+0x36/0x1c0 [ 390.578532] ? __kthread_parkme+0xce/0x1a0 [ 390.582784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.587900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.593007] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.597599] ? trace_hardirqs_on+0xbd/0x310 [ 390.601958] ? kasan_check_read+0x11/0x20 [ 390.606113] ? __kthread_parkme+0xce/0x1a0 [ 390.610351] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.615806] ? kasan_check_write+0x14/0x20 [ 390.620050] ? do_raw_spin_lock+0xc1/0x200 [ 390.624297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.629446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.635006] ? __kthread_parkme+0xfb/0x1a0 [ 390.639246] kthread+0x35a/0x420 [ 390.642627] ? process_one_work+0x1b90/0x1b90 [ 390.647121] ? kthread_bind+0x40/0x40 [ 390.650926] ret_from_fork+0x3a/0x50 [ 390.654655] warn_alloc_show_mem: 1 callbacks suppressed [ 390.654667] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 390.654669] Mem-Info: [ 390.654700] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 390.654700] active_file:14 inactive_file:13 isolated_file:0 [ 390.654700] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.654700] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 390.654700] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 390.654700] free:13770 free_pcp:433 free_cma:0 [ 390.660038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.660052] Call Trace: [ 390.667419] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.669822] [ 390.702863] Node 0 [ 390.712221] dump_stack+0x1c4/0x2b4 [ 390.714816] 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 [ 390.742376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.744519] lowmem_reserve[]: [ 390.746761] warn_alloc.cold.119+0xb7/0x1bd [ 390.750356] 0 [ 390.775860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.781023] 2819 [ 390.784129] ? lock_downgrade+0x900/0x900 [ 390.788427] 6323 [ 390.790233] ? trace_hardirqs_off+0xb8/0x310 [ 390.795042] 6323 [ 390.797141] ? trace_hardirqs_off+0xb8/0x310 [ 390.801275] Node 0 [ 390.803347] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.807749] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 390.809809] ? warn_alloc+0x120/0x120 [ 390.814164] lowmem_reserve[]: [ 390.816407] ? trace_hardirqs_on+0x310/0x310 [ 390.821225] 0 [ 390.848197] ? warn_alloc+0x120/0x120 [ 390.851978] 0 [ 390.855081] ? print_usage_bug+0xc0/0xc0 [ 390.859456] 3503 3503 [ 390.861269] ? warn_alloc+0x120/0x120 [ 390.866844] ? ktime_get+0x2e1/0x440 [ 390.870884] Node 0 [ 390.873374] ? print_usage_bug+0xc0/0xc0 [ 390.877180] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 390.880864] ? __lock_acquire+0x7ec/0x4ec0 [ 390.883068] lowmem_reserve[]: 0 [ 390.887131] ? __lock_acquire+0x7ec/0x4ec0 [ 390.915641] 0 0 [ 390.919881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.923126] 0 [ 390.927362] ? should_fail+0x22d/0xd01 [ 390.929312] Node 0 [ 390.934845] ? __lock_acquire+0x7ec/0x4ec0 [ 390.936618] DMA: 1*4kB [ 390.940511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.942725] (U) [ 390.946951] ? __lock_acquire+0x7ec/0x4ec0 [ 390.949518] 0*8kB [ 390.954613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.956584] 0*16kB [ 390.960809] ? __lock_acquire+0x7ec/0x4ec0 [ 390.962955] 1*32kB [ 390.968051] ? should_fail+0x22d/0xd01 [ 390.970267] (U) [ 390.974506] ? mark_held_locks+0x130/0x130 [ 390.976720] 2*64kB [ 390.980621] ? mark_held_locks+0x130/0x130 [ 390.982576] (U) [ 390.986805] ? mark_held_locks+0xc7/0x130 [ 390.989023] 1*128kB [ 390.993253] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 390.995203] (U) [ 390.999344] ? graph_lock+0x170/0x170 [ 391.001646] 1*256kB [ 391.006657] ? print_usage_bug+0xc0/0xc0 [ 391.008610] (U) [ 391.012407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.014710] 0*512kB [ 391.018767] ? check_preemption_disabled+0x48/0x200 [ 391.020720] 1*1024kB [ 391.026249] ? check_preemption_disabled+0x48/0x200 [ 391.028567] (U) [ 391.033584] ? __lock_is_held+0xb5/0x140 [ 391.035964] 1*2048kB [ 391.040982] __alloc_pages_nodemask+0xa80/0xde0 [ 391.042929] (M) [ 391.046988] ? graph_lock+0x170/0x170 [ 391.049372] 3*4096kB [ 391.054039] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.055986] (M) = 15908kB [ 391.059790] ? graph_lock+0x170/0x170 [ 391.062178] Node 0 [ 391.067196] ? find_held_lock+0x36/0x1c0 [ 391.069917] DMA32: 5*4kB [ 391.073729] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.075935] (UMH) [ 391.079994] ? lock_downgrade+0x900/0x900 [ 391.082719] 2*8kB (MH) [ 391.087392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.089515] 3*16kB [ 391.093660] cache_grow_begin+0x91/0x8c0 [ 391.096220] (MH) [ 391.101754] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.103960] 3*32kB (MH) [ 391.108031] fallback_alloc+0x203/0x2e0 [ 391.110062] 5*64kB (MH) [ 391.114482] ____cache_alloc_node+0x1c7/0x1e0 [ 391.117128] 3*128kB (M) [ 391.121109] kmem_cache_alloc_node+0xe3/0x730 [ 391.123754] 5*256kB [ 391.128246] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.130892] (UMH) [ 391.135384] __alloc_skb+0x119/0x770 [ 391.137680] 5*512kB [ 391.141911] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.144037] (UMH) [ 391.147745] ? skb_scrub_packet+0x490/0x490 [ 391.150045] 4*1024kB [ 391.155313] ? lock_downgrade+0x900/0x900 [ 391.157440] (UMH) [ 391.161764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.164150] 2*2048kB [ 391.168292] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.170419] (M) [ 391.175956] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.178345] 3*4096kB [ 391.183788] ? addrconf_rs_timer+0x690/0x690 [ 391.185743] (M) [ 391.191198] ndisc_alloc_skb+0x144/0x340 [ 391.193572] = 25204kB [ 391.193580] Node 0 [ 391.197992] ndisc_send_rs+0x331/0x6e0 [ 391.199932] Normal: 990*4kB [ 391.204003] addrconf_rs_timer+0x314/0x690 [ 391.206380] (UMEH) [ 391.208627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.212499] 505*8kB [ 391.215521] call_timer_fn+0x272/0x920 [ 391.219718] (MEH) [ 391.221950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.226187] 189*16kB [ 391.228517] ? process_timeout+0x40/0x40 [ 391.232390] (MEH) [ 391.234537] ? find_held_lock+0x36/0x1c0 [ 391.238764] 66*32kB [ 391.241190] ? __run_timers+0x7da/0xc70 [ 391.245230] (UMH) [ 391.247378] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.251411] 0*64kB [ 391.253758] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.257707] 1*128kB [ 391.259849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.264320] (H) [ 391.266552] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 391.271021] 1*256kB [ 391.273340] ? trace_hardirqs_on+0xbd/0x310 [ 391.277546] (H) [ 391.279522] ? kasan_check_read+0x11/0x20 [ 391.284076] 1*512kB [ 391.286394] ? __run_timers+0x7da/0xc70 [ 391.290688] (H) [ 391.292660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.296786] 0*1024kB [ 391.299229] ? ip_vs_sync_net_cleanup.cold.11+0x34/0x34 [ 391.303052] 0*2048kB [ 391.305039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.310476] 0*4096kB [ 391.312886] __run_timers+0x7e5/0xc70 [ 391.318228] = 14032kB [ 391.320659] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.324864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.327271] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.331040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.331049] 5170 total pagecache pages [ 391.333459] ? graph_lock+0x170/0x170 [ 391.338812] 0 pages in swap cache [ 391.347636] ? enqueue_hrtimer+0x1a5/0x560 [ 391.352630] Swap cache stats: add 0, delete 0, find 0/0 [ 391.361195] ? lock_release+0x970/0x970 [ 391.365055] Free swap = 0kB [ 391.368848] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.372281] Total swap = 0kB [ 391.376512] ? find_held_lock+0x36/0x1c0 [ 391.381868] 1965979 pages RAM [ 391.385839] ? graph_lock+0x170/0x170 [ 391.388827] 0 pages HighMem/MovableOnly [ 391.388836] 342306 pages reserved [ 391.394019] ? pvclock_read_flags+0x160/0x160 [ 391.397006] 0 pages cma reserved [ 391.397087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.401068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.401086] ? check_preemption_disabled+0x48/0x200 [ 391.401111] ? __lock_is_held+0xb5/0x140 [ 391.404268] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.407980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.411931] kworker/0:2 cpuset= [ 391.415381] ? check_preemption_disabled+0x48/0x200 [ 391.419850] / [ 391.423216] run_timer_softirq+0x52/0xb0 [ 391.429683] mems_allowed=0 [ 391.435211] ? rcu_read_lock_sched_held+0x108/0x120 [ 391.482128] __do_softirq+0x30b/0xad8 [ 391.485948] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 391.491060] ? pvclock_read_flags+0x160/0x160 [ 391.495558] ? lapic_next_event+0x5a/0x90 [ 391.500181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.505722] ? check_preemption_disabled+0x48/0x200 [ 391.510739] ? check_preemption_disabled+0x48/0x200 [ 391.515762] ? kvm_clock_read+0x18/0x30 [ 391.519737] ? kvm_sched_clock_read+0x9/0x20 [ 391.524150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.529704] ? check_preemption_disabled+0x48/0x200 [ 391.534740] irq_exit+0x17f/0x1c0 [ 391.538197] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.543042] ? smp_reschedule_interrupt+0x109/0x650 [ 391.548060] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.553952] ? interrupt_entry+0xb5/0xf0 [ 391.558023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.563037] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.568053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.572922] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.577938] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.582968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.588511] ? check_preemption_disabled+0x48/0x200 [ 391.593530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.599078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.603930] apic_timer_interrupt+0xf/0x20 [ 391.608159] [ 391.610399] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.615329] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 391.634231] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.641940] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.649228] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 391.656498] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 391.663768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.671041] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 391.678355] skb_clone+0x1bb/0x500 [ 391.681899] ? finish_task_switch+0x2f5/0x900 [ 391.686398] ? skb_split+0x11e0/0x11e0 [ 391.690288] ? preempt_notifier_register+0x200/0x200 [ 391.695443] ? __switch_to_asm+0x34/0x70 [ 391.699514] ? __switch_to_asm+0x34/0x70 [ 391.703579] ? __switch_to_asm+0x40/0x70 [ 391.707641] ? __switch_to_asm+0x34/0x70 [ 391.711704] ? __switch_to_asm+0x40/0x70 [ 391.715765] ? __switch_to_asm+0x34/0x70 [ 391.719829] ? __switch_to_asm+0x40/0x70 [ 391.723891] ? __switch_to_asm+0x34/0x70 [ 391.727955] ? __switch_to_asm+0x34/0x70 [ 391.732020] ? __switch_to_asm+0x40/0x70 [ 391.736085] ? __switch_to_asm+0x34/0x70 [ 391.740158] bpf_clone_redirect+0xb9/0x490 [ 391.744394] ? __schedule+0x874/0x1ed0 [ 391.748295] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 391.753321] ? __sched_text_start+0x8/0x8 [ 391.757496] ? find_held_lock+0x36/0x1c0 [ 391.761567] ? lock_acquire+0x1ed/0x520 [ 391.765542] ? bpf_test_run+0x3cb/0x780 [ 391.769520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.775072] ? check_preemption_disabled+0x48/0x200 [ 391.780106] ? kasan_check_read+0x11/0x20 [ 391.784266] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.789580] ? rcu_bh_qs+0xc0/0xc0 [ 391.793126] ? preempt_schedule+0x4d/0x60 [ 391.797280] ? ___preempt_schedule+0x16/0x18 [ 391.801698] ? bpf_test_run+0x25d/0x780 [ 391.805685] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.810102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.815648] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 391.820414] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.825258] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.830793] ? fput+0x130/0x1a0 [ 391.834076] ? __bpf_prog_get+0x9b/0x290 [ 391.838147] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.842997] ? bpf_prog_test_run+0x130/0x1a0 [ 391.847410] ? __x64_sys_bpf+0x3d8/0x520 [ 391.851483] ? bpf_prog_get+0x20/0x20 [ 391.855308] ? do_syscall_64+0x1b9/0x820 [ 391.859372] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.864764] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.869702] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.874727] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.879748] ? recalc_sigpending_tsk+0x180/0x180 [ 391.884512] ? kasan_check_write+0x14/0x20 [ 391.888757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.893616] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.899028] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 391.899132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.906134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.906156] Workqueue: events_power_efficient neigh_periodic_work [ 391.906165] Call Trace: [ 391.906176] [ 391.912767] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.922022] dump_stack+0x1c4/0x2b4 [ 391.928229] syz-executor2 cpuset= [ 391.930813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 391.932938] syz2 [ 391.943441] warn_alloc.cold.119+0xb7/0x1bd [ 391.947037] mems_allowed=0 [ 391.950493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.969685] ? lock_downgrade+0x900/0x900 [ 391.973845] ? trace_hardirqs_off+0xb8/0x310 [ 391.978260] ? trace_hardirqs_off+0xb8/0x310 [ 391.982680] __alloc_pages_slowpath+0x2667/0x2d80 [ 391.987564] ? warn_alloc+0x120/0x120 [ 391.991372] ? warn_alloc+0x120/0x120 [ 391.995176] ? print_usage_bug+0xc0/0xc0 [ 391.999237] ? warn_alloc+0x120/0x120 [ 392.003038] ? print_usage_bug+0xc0/0xc0 [ 392.007106] ? __lock_acquire+0x7ec/0x4ec0 [ 392.011342] ? __lock_acquire+0x7ec/0x4ec0 [ 392.015585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.021126] ? should_fail+0x22d/0xd01 [ 392.025017] ? __lock_acquire+0x7ec/0x4ec0 [ 392.029257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.034369] ? __lock_acquire+0x7ec/0x4ec0 [ 392.038619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.043720] ? __lock_acquire+0x7ec/0x4ec0 [ 392.047952] ? should_fail+0x22d/0xd01 [ 392.051853] ? mark_held_locks+0x130/0x130 [ 392.056096] ? mark_held_locks+0x130/0x130 [ 392.060341] ? graph_lock+0x170/0x170 [ 392.064143] ? print_usage_bug+0xc0/0xc0 [ 392.068208] ? wq_watchdog_touch+0x9c/0xfe [ 392.072443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.077998] ? check_preemption_disabled+0x48/0x200 [ 392.083018] ? check_preemption_disabled+0x48/0x200 [ 392.088047] ? __lock_is_held+0xb5/0x140 [ 392.092121] __alloc_pages_nodemask+0xa80/0xde0 [ 392.096796] ? graph_lock+0x170/0x170 [ 392.100606] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.105620] ? graph_lock+0x170/0x170 [ 392.109437] ? find_held_lock+0x36/0x1c0 [ 392.113533] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.118208] ? lock_downgrade+0x900/0x900 [ 392.122368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.127911] cache_grow_begin+0x91/0x8c0 [ 392.131976] ? do_raw_spin_unlock+0xa7/0x2f0 [ 392.136394] fallback_alloc+0x203/0x2e0 [ 392.140379] ____cache_alloc_node+0x1c7/0x1e0 [ 392.144880] kmem_cache_alloc_node+0xe3/0x730 [ 392.149377] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.153623] __alloc_skb+0x119/0x770 [ 392.157338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.162634] ? skb_scrub_packet+0x490/0x490 [ 392.166955] ? lock_downgrade+0x900/0x900 [ 392.171113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.176653] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.182110] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.187568] ? addrconf_rs_timer+0x690/0x690 [ 392.191990] ndisc_alloc_skb+0x144/0x340 [ 392.196059] ndisc_send_rs+0x331/0x6e0 [ 392.199955] addrconf_rs_timer+0x314/0x690 [ 392.204203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.208457] call_timer_fn+0x272/0x920 [ 392.212362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.216603] ? process_timeout+0x40/0x40 [ 392.220663] ? find_held_lock+0x36/0x1c0 [ 392.224736] ? mark_held_locks+0xc7/0x130 [ 392.228892] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.233387] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.237883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.242135] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.246725] ? trace_hardirqs_on+0xbd/0x310 [ 392.251053] ? kasan_check_read+0x11/0x20 [ 392.255205] ? __run_timers+0x7da/0xc70 [ 392.259181] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.264645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.268883] __run_timers+0x7e5/0xc70 [ 392.272706] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 392.278072] ? lock_downgrade+0x900/0x900 [ 392.282235] ? print_usage_bug+0xc0/0xc0 [ 392.286296] ? trace_hardirqs_on+0x310/0x310 [ 392.290719] ? kvm_clock_read+0x18/0x30 [ 392.294699] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.299745] ? graph_lock+0x170/0x170 [ 392.303572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.309118] ? check_preemption_disabled+0x48/0x200 [ 392.314148] ? __lock_is_held+0xb5/0x140 [ 392.318215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.323757] ? check_preemption_disabled+0x48/0x200 [ 392.328785] run_timer_softirq+0x52/0xb0 [ 392.332849] ? rcu_read_lock_sched_held+0x108/0x120 [ 392.337867] __do_softirq+0x30b/0xad8 [ 392.341680] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.346782] ? irq_exit+0xbd/0x1c0 [ 392.350321] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.355356] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.361244] ? ret_from_intr+0xb/0x1e [ 392.365519] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.370541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.375387] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.380406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.385948] ? check_preemption_disabled+0x48/0x200 [ 392.390966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.396519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.401368] ? neigh_periodic_work+0x6bd/0xc60 [ 392.405953] do_softirq_own_stack+0x2a/0x40 [ 392.410284] [ 392.412526] do_softirq.part.13+0x126/0x160 [ 392.416853] __local_bh_enable_ip+0x21d/0x260 [ 392.421371] _raw_write_unlock_bh+0x30/0x40 [ 392.425700] neigh_periodic_work+0x6bd/0xc60 [ 392.430131] ? neigh_table_clear+0x390/0x390 [ 392.434546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.440091] ? check_preemption_disabled+0x48/0x200 [ 392.445111] ? check_preemption_disabled+0x48/0x200 [ 392.450140] ? __lock_is_held+0xb5/0x140 [ 392.454217] process_one_work+0xc90/0x1b90 [ 392.458456] ? mark_held_locks+0x130/0x130 [ 392.462727] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 392.467401] ? __switch_to_asm+0x40/0x70 [ 392.471472] ? __switch_to_asm+0x40/0x70 [ 392.475538] ? __switch_to_asm+0x34/0x70 [ 392.479599] ? __switch_to_asm+0x40/0x70 [ 392.483664] ? __switch_to_asm+0x34/0x70 [ 392.487727] ? __switch_to_asm+0x40/0x70 [ 392.491803] ? __switch_to_asm+0x34/0x70 [ 392.495867] ? __switch_to_asm+0x40/0x70 [ 392.499935] ? __schedule+0x874/0x1ed0 [ 392.503828] ? __switch_to_asm+0x34/0x70 [ 392.507889] ? __switch_to_asm+0x40/0x70 [ 392.511970] ? kasan_check_read+0x11/0x20 [ 392.516125] ? graph_lock+0x170/0x170 [ 392.519927] ? __sched_text_start+0x8/0x8 [ 392.524085] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.528671] ? retint_kernel+0x2d/0x2d [ 392.532564] ? find_held_lock+0x36/0x1c0 [ 392.536640] ? lock_acquire+0x1ed/0x520 [ 392.540627] ? worker_thread+0x3e0/0x1390 [ 392.544785] ? lock_release+0x970/0x970 [ 392.548761] ? trace_hardirqs_off+0xb8/0x310 [ 392.553169] ? kasan_check_read+0x11/0x20 [ 392.557314] ? worker_thread+0x3e0/0x1390 [ 392.561472] ? trace_hardirqs_on+0x310/0x310 [ 392.565908] ? kasan_check_write+0x14/0x20 [ 392.570146] ? do_raw_spin_lock+0xc1/0x200 [ 392.574388] worker_thread+0x17f/0x1390 [ 392.578363] ? __switch_to_asm+0x34/0x70 [ 392.582438] ? process_one_work+0x1b90/0x1b90 [ 392.586947] ? graph_lock+0x170/0x170 [ 392.590763] ? graph_lock+0x170/0x170 [ 392.594564] ? find_held_lock+0x36/0x1c0 [ 392.598640] ? find_held_lock+0x36/0x1c0 [ 392.602711] ? __kthread_parkme+0xce/0x1a0 [ 392.606950] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.612055] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.617163] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.621751] ? trace_hardirqs_on+0xbd/0x310 [ 392.626074] ? kasan_check_read+0x11/0x20 [ 392.630222] ? __kthread_parkme+0xce/0x1a0 [ 392.634478] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.639941] ? kasan_check_write+0x14/0x20 [ 392.644175] ? do_raw_spin_lock+0xc1/0x200 [ 392.648419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.653538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.659078] ? __kthread_parkme+0xfb/0x1a0 [ 392.663352] kthread+0x35a/0x420 [ 392.666716] ? process_one_work+0x1b90/0x1b90 [ 392.671210] ? kthread_bind+0x40/0x40 [ 392.675022] ret_from_fork+0x3a/0x50 [ 392.678756] warn_alloc_show_mem: 1 callbacks suppressed [ 392.678768] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 392.678770] Mem-Info: [ 392.678801] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 392.678801] active_file:14 inactive_file:13 isolated_file:0 [ 392.678801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.678801] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 392.678801] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 392.678801] free:13770 free_pcp:433 free_cma:0 [ 392.684145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.691521] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.693918] Call Trace: [ 392.726954] Node 0 [ 392.736300] [ 392.763896] 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 [ 392.766480] dump_stack+0x1c4/0x2b4 [ 392.768688] lowmem_reserve[]: [ 392.770842] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.796314] 0 2819 [ 392.799962] warn_alloc.cold.119+0xb7/0x1bd [ 392.803027] 6323 [ 392.808214] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.810423] 6323 [ 392.814749] ? lock_downgrade+0x900/0x900 [ 392.816786] Node 0 [ 392.821626] ? trace_hardirqs_off+0xb8/0x310 [ 392.823689] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.827812] ? trace_hardirqs_off+0xb8/0x310 [ 392.830024] lowmem_reserve[]: [ 392.834431] __alloc_pages_slowpath+0x2667/0x2d80 [ 392.861382] 0 0 [ 392.865840] ? warn_alloc+0x120/0x120 [ 392.868877] 3503 3503 [ 392.873721] ? trace_hardirqs_on+0x310/0x310 [ 392.875672] Node 0 [ 392.879478] ? warn_alloc+0x120/0x120 [ 392.881984] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 392.886360] ? print_usage_bug+0xc0/0xc0 [ 392.888570] lowmem_reserve[]: 0 [ 392.892374] ? warn_alloc+0x120/0x120 [ 392.920890] 0 0 [ 392.924960] ? ktime_get+0x2e1/0x440 [ 392.928210] 0 [ 392.932018] ? print_usage_bug+0xc0/0xc0 [ 392.933969] Node 0 [ 392.937681] ? __lock_acquire+0x7ec/0x4ec0 [ 392.939469] DMA: [ 392.943527] ? __lock_acquire+0x7ec/0x4ec0 [ 392.945740] 1*4kB [ 392.949971] ? kasan_check_read+0x11/0x20 [ 392.952005] (U) [ 392.956238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.958361] 0*8kB [ 392.962508] ? should_fail+0x22d/0xd01 [ 392.964455] 0*16kB 1*32kB [ 392.970011] ? rcu_bh_qs+0xc0/0xc0 [ 392.972140] (U) [ 392.976024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.978845] 2*64kB [ 392.982379] ? __lock_acquire+0x7ec/0x4ec0 [ 392.984328] (U) 1*128kB [ 392.989435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.991662] (U) [ 392.995890] ? __lock_acquire+0x7ec/0x4ec0 [ 392.998540] 1*256kB [ 393.003636] ? should_fail+0x22d/0xd01 [ 393.005592] (U) [ 393.009827] ? rcu_idle_enter+0x4b0/0x4b0 [ 393.012125] 0*512kB [ 393.016013] ? mark_held_locks+0x130/0x130 [ 393.017960] 1*1024kB [ 393.022108] ? mark_held_locks+0x130/0x130 [ 393.024407] (U) [ 393.028637] ? mark_held_locks+0xc7/0x130 [ 393.031022] 1*2048kB [ 393.035255] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.037208] (M) [ 393.041346] ? graph_lock+0x170/0x170 [ 393.043747] 3*4096kB [ 393.048758] ? print_usage_bug+0xc0/0xc0 [ 393.050711] (M) [ 393.054511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.056897] = 15908kB [ 393.060955] ? check_preemption_disabled+0x48/0x200 [ 393.062908] Node 0 [ 393.068438] ? check_preemption_disabled+0x48/0x200 [ 393.070818] DMA32: 5*4kB [ 393.075845] ? __lock_is_held+0xb5/0x140 [ 393.078049] (UMH) [ 393.083064] __alloc_pages_nodemask+0xa80/0xde0 [ 393.085799] 2*8kB [ 393.089851] ? graph_lock+0x170/0x170 [ 393.091977] (MH) [ 393.096646] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.098765] 3*16kB (MH) [ 393.102565] ? graph_lock+0x170/0x170 [ 393.104602] 3*32kB (MH) [ 393.109626] ? find_held_lock+0x36/0x1c0 [ 393.112262] 5*64kB (MH) [ 393.116860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.119499] 3*128kB (M) [ 393.123565] ? lock_downgrade+0x900/0x900 [ 393.126210] 5*256kB (UMH) [ 393.130898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.133540] 5*512kB [ 393.137680] cache_grow_begin+0x91/0x8c0 [ 393.140508] (UMH) [ 393.146041] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.148353] 4*1024kB (UMH) [ 393.152425] fallback_alloc+0x203/0x2e0 [ 393.154552] 2*2048kB [ 393.158956] ____cache_alloc_node+0x1c7/0x1e0 [ 393.161862] (M) [ 393.165833] kmem_cache_alloc_node+0xe3/0x730 [ 393.168212] 3*4096kB (M) [ 393.172713] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.174661] = 25204kB [ 393.174670] Node 0 [ 393.179168] __alloc_skb+0x119/0x770 [ 393.181914] Normal: [ 393.186146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.188532] 990*4kB [ 393.190773] ? skb_scrub_packet+0x490/0x490 [ 393.194457] (UMEH) 505*8kB [ 393.196806] ? lock_downgrade+0x900/0x900 [ 393.202051] (MEH) 189*16kB [ 393.204389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.208677] (MEH) 66*32kB [ 393.211616] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.215731] (UMH) 0*64kB [ 393.218673] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.224178] 1*128kB (H) [ 393.227028] ? addrconf_rs_timer+0x690/0x690 [ 393.232449] 1*256kB (H) [ 393.235226] ndisc_alloc_skb+0x144/0x340 [ 393.240643] 1*512kB [ 393.243313] ndisc_send_rs+0x331/0x6e0 [ 393.247695] (H) [ 393.250361] addrconf_rs_timer+0x314/0x690 [ 393.254398] 0*1024kB [ 393.256716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.260574] 0*2048kB 0*4096kB [ 393.262566] call_timer_fn+0x272/0x920 [ 393.266763] = 14032kB [ 393.269169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.273385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.276572] ? process_timeout+0x40/0x40 [ 393.280437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.282837] ? find_held_lock+0x36/0x1c0 [ 393.287046] 5170 total pagecache pages [ 393.295882] ? __run_timers+0x7da/0xc70 [ 393.299917] 0 pages in swap cache [ 393.308489] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.312533] Swap cache stats: add 0, delete 0, find 0/0 [ 393.316427] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.320375] Free swap = 0kB [ 393.323822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.328284] Total swap = 0kB [ 393.328292] 1965979 pages RAM [ 393.333648] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.338112] 0 pages HighMem/MovableOnly [ 393.338120] 342306 pages reserved [ 393.341135] ? trace_hardirqs_on+0xbd/0x310 [ 393.345346] 0 pages cma reserved [ 393.348361] ? kasan_check_read+0x11/0x20 [ 393.351519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.356021] ? __run_timers+0x7da/0xc70 [ 393.360033] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.363420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.367732] kworker/0:2 cpuset= [ 393.371095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.375219] / [ 393.381704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.385659] mems_allowed=0 [ 393.395966] __run_timers+0x7e5/0xc70 [ 393.421521] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.426893] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.431914] ? graph_lock+0x170/0x170 [ 393.435721] ? enqueue_hrtimer+0x1a5/0x560 [ 393.439954] ? lock_release+0x970/0x970 [ 393.443935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.449137] ? find_held_lock+0x36/0x1c0 [ 393.453204] ? graph_lock+0x170/0x170 [ 393.457016] ? pvclock_read_flags+0x160/0x160 [ 393.461521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.467067] ? check_preemption_disabled+0x48/0x200 [ 393.472099] ? __lock_is_held+0xb5/0x140 [ 393.476162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.481704] ? check_preemption_disabled+0x48/0x200 [ 393.486732] run_timer_softirq+0x52/0xb0 [ 393.490798] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.495820] __do_softirq+0x30b/0xad8 [ 393.500109] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.505219] ? pvclock_read_flags+0x160/0x160 [ 393.509739] ? lapic_next_event+0x5a/0x90 [ 393.513889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.519430] ? check_preemption_disabled+0x48/0x200 [ 393.524473] ? check_preemption_disabled+0x48/0x200 [ 393.529506] ? kvm_clock_read+0x18/0x30 [ 393.533493] ? kvm_sched_clock_read+0x9/0x20 [ 393.537903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.543441] ? check_preemption_disabled+0x48/0x200 [ 393.548499] irq_exit+0x17f/0x1c0 [ 393.551961] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.556813] ? smp_reschedule_interrupt+0x109/0x650 [ 393.561832] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.567723] ? interrupt_entry+0xb5/0xf0 [ 393.571791] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.576808] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.581827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.586676] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.591692] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.596709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.602252] ? check_preemption_disabled+0x48/0x200 [ 393.607267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.612848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.617701] apic_timer_interrupt+0xf/0x20 [ 393.621931] [ 393.624180] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.629113] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 393.648013] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.655724] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.663008] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 393.670274] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 393.677546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.684824] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 393.692149] skb_clone+0x1bb/0x500 [ 393.695698] ? finish_task_switch+0x2f5/0x900 [ 393.700207] ? skb_split+0x11e0/0x11e0 [ 393.704103] ? preempt_notifier_register+0x200/0x200 [ 393.709207] ? __switch_to_asm+0x34/0x70 [ 393.713285] ? __switch_to_asm+0x34/0x70 [ 393.717373] ? __switch_to_asm+0x40/0x70 [ 393.721471] ? __switch_to_asm+0x34/0x70 [ 393.725531] ? __switch_to_asm+0x40/0x70 [ 393.729597] ? __switch_to_asm+0x34/0x70 [ 393.733659] ? __switch_to_asm+0x40/0x70 [ 393.737718] ? __switch_to_asm+0x34/0x70 [ 393.741782] ? __switch_to_asm+0x34/0x70 [ 393.745842] ? __switch_to_asm+0x40/0x70 [ 393.749906] ? __switch_to_asm+0x34/0x70 [ 393.753979] bpf_clone_redirect+0xb9/0x490 [ 393.758223] ? __schedule+0x874/0x1ed0 [ 393.762125] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 393.767144] ? __sched_text_start+0x8/0x8 [ 393.771308] ? find_held_lock+0x36/0x1c0 [ 393.775377] ? lock_acquire+0x1ed/0x520 [ 393.779355] ? bpf_test_run+0x3cb/0x780 [ 393.783340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.788881] ? check_preemption_disabled+0x48/0x200 [ 393.793916] ? kasan_check_read+0x11/0x20 [ 393.798069] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.803346] ? rcu_bh_qs+0xc0/0xc0 [ 393.806906] ? preempt_schedule+0x4d/0x60 [ 393.811060] ? ___preempt_schedule+0x16/0x18 [ 393.815499] ? bpf_test_run+0x25d/0x780 [ 393.819499] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.823916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.829468] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 393.834236] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.839079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.844619] ? fput+0x130/0x1a0 [ 393.847903] ? __bpf_prog_get+0x9b/0x290 [ 393.851968] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.856820] ? bpf_prog_test_run+0x130/0x1a0 [ 393.861236] ? __x64_sys_bpf+0x3d8/0x520 [ 393.865298] ? bpf_prog_get+0x20/0x20 [ 393.869128] ? do_syscall_64+0x1b9/0x820 [ 393.873195] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.878592] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.883529] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.888551] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.893569] ? recalc_sigpending_tsk+0x180/0x180 [ 393.898327] ? kasan_check_write+0x14/0x20 [ 393.902571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.907432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.912825] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 393.912909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.919934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.919956] Workqueue: events_power_efficient neigh_periodic_work [ 393.926529] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.941999] syz-executor2 cpuset= [ 393.952555] Call Trace: [ 393.952565] syz2 [ 393.956026] [ 393.958613] mems_allowed=0 [ 393.960588] dump_stack+0x1c4/0x2b4 [ 393.969245] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.974456] warn_alloc.cold.119+0xb7/0x1bd [ 393.978797] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.983650] ? lock_downgrade+0x900/0x900 [ 393.987807] ? trace_hardirqs_off+0xb8/0x310 [ 393.992222] ? trace_hardirqs_off+0xb8/0x310 [ 393.996643] __alloc_pages_slowpath+0x2667/0x2d80 [ 394.001534] ? warn_alloc+0x120/0x120 [ 394.005344] ? warn_alloc+0x120/0x120 [ 394.009150] ? print_usage_bug+0xc0/0xc0 [ 394.013217] ? warn_alloc+0x120/0x120 [ 394.017023] ? print_usage_bug+0xc0/0xc0 [ 394.021091] ? __lock_acquire+0x7ec/0x4ec0 [ 394.025323] ? __lock_acquire+0x7ec/0x4ec0 [ 394.029559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.035100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.040640] ? should_fail+0x22d/0xd01 [ 394.044534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.049655] ? __lock_acquire+0x7ec/0x4ec0 [ 394.053894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.059007] ? __lock_acquire+0x7ec/0x4ec0 [ 394.063239] ? should_fail+0x22d/0xd01 [ 394.067137] ? mark_held_locks+0x130/0x130 [ 394.071378] ? mark_held_locks+0x130/0x130 [ 394.075617] ? graph_lock+0x170/0x170 [ 394.079419] ? print_usage_bug+0xc0/0xc0 [ 394.083491] ? graph_lock+0x170/0x170 [ 394.087294] ? print_usage_bug+0xc0/0xc0 [ 394.091356] ? wq_watchdog_touch+0x9c/0xfe [ 394.095597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.101158] ? check_preemption_disabled+0x48/0x200 [ 394.106173] ? check_preemption_disabled+0x48/0x200 [ 394.111202] ? __lock_is_held+0xb5/0x140 [ 394.115275] __alloc_pages_nodemask+0xa80/0xde0 [ 394.119946] ? graph_lock+0x170/0x170 [ 394.123754] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.128767] ? graph_lock+0x170/0x170 [ 394.132582] ? find_held_lock+0x36/0x1c0 [ 394.136658] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.141331] ? lock_downgrade+0x900/0x900 [ 394.145500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.151049] cache_grow_begin+0x91/0x8c0 [ 394.155114] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.159532] fallback_alloc+0x203/0x2e0 [ 394.163519] ____cache_alloc_node+0x1c7/0x1e0 [ 394.168021] kmem_cache_alloc_node+0xe3/0x730 [ 394.172523] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.176769] __alloc_skb+0x119/0x770 [ 394.180495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.185779] ? skb_scrub_packet+0x490/0x490 [ 394.190107] ? lock_downgrade+0x900/0x900 [ 394.194288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.199833] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.205291] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.210746] ? addrconf_rs_timer+0x690/0x690 [ 394.215170] ndisc_alloc_skb+0x144/0x340 [ 394.219237] ndisc_send_rs+0x331/0x6e0 [ 394.223140] addrconf_rs_timer+0x314/0x690 [ 394.227383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.231639] call_timer_fn+0x272/0x920 [ 394.235531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.239775] ? process_timeout+0x40/0x40 [ 394.243840] ? find_held_lock+0x36/0x1c0 [ 394.247916] ? mark_held_locks+0xc7/0x130 [ 394.252072] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.256570] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.261062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.265296] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 394.269883] ? trace_hardirqs_on+0xbd/0x310 [ 394.274215] ? kasan_check_read+0x11/0x20 [ 394.278375] ? __run_timers+0x7da/0xc70 [ 394.282352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.287812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.292055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.296298] __run_timers+0x7e5/0xc70 [ 394.300119] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.305497] ? lock_downgrade+0x900/0x900 [ 394.309658] ? print_usage_bug+0xc0/0xc0 [ 394.313720] ? trace_hardirqs_on+0x310/0x310 [ 394.318139] ? kvm_clock_read+0x18/0x30 [ 394.322116] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.327170] ? graph_lock+0x170/0x170 [ 394.330973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.336515] ? check_preemption_disabled+0x48/0x200 [ 394.341544] ? __lock_is_held+0xb5/0x140 [ 394.345611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.351153] ? check_preemption_disabled+0x48/0x200 [ 394.356178] run_timer_softirq+0x52/0xb0 [ 394.360242] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.365719] __do_softirq+0x30b/0xad8 [ 394.369545] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.374650] ? irq_exit+0xbd/0x1c0 [ 394.378196] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.383216] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.389105] ? ret_from_intr+0xb/0x1e [ 394.392909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.397929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.402774] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.407797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.413337] ? check_preemption_disabled+0x48/0x200 [ 394.418355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.423903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.428755] ? neigh_periodic_work+0x6bd/0xc60 [ 394.433344] do_softirq_own_stack+0x2a/0x40 [ 394.437661] [ 394.439906] do_softirq.part.13+0x126/0x160 [ 394.444233] __local_bh_enable_ip+0x21d/0x260 [ 394.448734] _raw_write_unlock_bh+0x30/0x40 [ 394.453060] neigh_periodic_work+0x6bd/0xc60 [ 394.457497] ? neigh_table_clear+0x390/0x390 [ 394.461912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.467455] ? check_preemption_disabled+0x48/0x200 [ 394.472505] ? check_preemption_disabled+0x48/0x200 [ 394.477536] ? __lock_is_held+0xb5/0x140 [ 394.481616] process_one_work+0xc90/0x1b90 [ 394.485851] ? mark_held_locks+0x130/0x130 [ 394.490098] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 394.494769] ? __switch_to_asm+0x40/0x70 [ 394.498830] ? __switch_to_asm+0x40/0x70 [ 394.502889] ? __switch_to_asm+0x34/0x70 [ 394.506952] ? __switch_to_asm+0x40/0x70 [ 394.511016] ? __switch_to_asm+0x34/0x70 [ 394.515073] ? __switch_to_asm+0x40/0x70 [ 394.519130] ? __switch_to_asm+0x34/0x70 [ 394.523189] ? __switch_to_asm+0x40/0x70 [ 394.527258] ? __schedule+0x874/0x1ed0 [ 394.531150] ? __switch_to_asm+0x34/0x70 [ 394.535213] ? __switch_to_asm+0x40/0x70 [ 394.539295] ? kasan_check_read+0x11/0x20 [ 394.543457] ? graph_lock+0x170/0x170 [ 394.547277] ? __sched_text_start+0x8/0x8 [ 394.551433] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.556027] ? retint_kernel+0x2d/0x2d [ 394.559924] ? find_held_lock+0x36/0x1c0 [ 394.563999] ? lock_acquire+0x1ed/0x520 [ 394.567973] ? worker_thread+0x3e0/0x1390 [ 394.572133] ? lock_release+0x970/0x970 [ 394.576109] ? trace_hardirqs_off+0xb8/0x310 [ 394.580518] ? kasan_check_read+0x11/0x20 [ 394.584686] ? worker_thread+0x3e0/0x1390 [ 394.588835] ? trace_hardirqs_on+0x310/0x310 [ 394.593249] ? kasan_check_write+0x14/0x20 [ 394.597501] ? do_raw_spin_lock+0xc1/0x200 [ 394.601745] worker_thread+0x17f/0x1390 [ 394.605725] ? __switch_to_asm+0x34/0x70 [ 394.609806] ? process_one_work+0x1b90/0x1b90 [ 394.614311] ? graph_lock+0x170/0x170 [ 394.618113] ? graph_lock+0x170/0x170 [ 394.621915] ? find_held_lock+0x36/0x1c0 [ 394.625987] ? find_held_lock+0x36/0x1c0 [ 394.630060] ? __kthread_parkme+0xce/0x1a0 [ 394.634303] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.639412] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.644523] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.649110] ? trace_hardirqs_on+0xbd/0x310 [ 394.653437] ? kasan_check_read+0x11/0x20 [ 394.657596] ? __kthread_parkme+0xce/0x1a0 [ 394.661836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.667296] ? kasan_check_write+0x14/0x20 [ 394.671536] ? do_raw_spin_lock+0xc1/0x200 [ 394.675783] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.680892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.686433] ? __kthread_parkme+0xfb/0x1a0 [ 394.690689] kthread+0x35a/0x420 [ 394.694056] ? process_one_work+0x1b90/0x1b90 [ 394.698637] ? kthread_bind+0x40/0x40 [ 394.702446] ret_from_fork+0x3a/0x50 [ 394.706189] warn_alloc_show_mem: 1 callbacks suppressed [ 394.706201] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 394.706204] Mem-Info: [ 394.706235] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 394.706235] active_file:14 inactive_file:13 isolated_file:0 [ 394.706235] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.706235] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 394.706235] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 394.706235] free:13770 free_pcp:433 free_cma:0 [ 394.711594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.711602] Call Trace: [ 394.718974] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.721376] [ 394.754424] Node 0 [ 394.763788] dump_stack+0x1c4/0x2b4 [ 394.766363] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 394.793946] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.796062] lowmem_reserve[]: 0 [ 394.798320] warn_alloc.cold.119+0xb7/0x1bd [ 394.801909] 2819 [ 394.827408] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.832574] 6323 [ 394.835848] ? lock_downgrade+0x900/0x900 [ 394.840152] 6323 [ 394.842230] ? trace_hardirqs_off+0xb8/0x310 [ 394.849103] ? trace_hardirqs_off+0xb8/0x310 [ 394.853228] Node 0 [ 394.855296] __alloc_pages_slowpath+0x2667/0x2d80 [ 394.859706] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.864145] ? warn_alloc+0x120/0x120 [ 394.866331] lowmem_reserve[]: [ 394.871171] ? trace_hardirqs_on+0x310/0x310 [ 394.898119] 0 0 [ 394.901921] ? warn_alloc+0x120/0x120 [ 394.905006] 3503 [ 394.909406] ? print_usage_bug+0xc0/0xc0 [ 394.911353] 3503 [ 394.915154] ? warn_alloc+0x120/0x120 [ 394.917207] Node 0 [ 394.921260] ? ktime_get+0x2e1/0x440 [ 394.923324] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 394.927092] ? print_usage_bug+0xc0/0xc0 [ 394.929300] lowmem_reserve[]: 0 [ 394.933020] ? __lock_acquire+0x7ec/0x4ec0 [ 394.961533] 0 0 [ 394.965597] ? __lock_acquire+0x7ec/0x4ec0 [ 394.968850] 0 [ 394.973091] ? kasan_check_read+0x11/0x20 [ 394.975043] Node 0 [ 394.979275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.981049] DMA: 1*4kB [ 394.985204] ? should_fail+0x22d/0xd01 [ 394.987414] (U) [ 394.992945] ? rcu_bh_qs+0xc0/0xc0 [ 394.995504] 0*8kB 0*16kB [ 394.999393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.001345] 1*32kB [ 395.004876] ? __lock_acquire+0x7ec/0x4ec0 [ 395.007608] (U) [ 395.012706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.014913] 2*64kB (U) [ 395.019149] ? __lock_acquire+0x7ec/0x4ec0 [ 395.021099] 1*128kB (U) [ 395.026202] ? should_fail+0x22d/0xd01 [ 395.028761] 1*256kB (U) [ 395.033001] ? rcu_idle_enter+0x4b0/0x4b0 [ 395.035642] 0*512kB 1*1024kB [ 395.039537] ? mark_held_locks+0x130/0x130 [ 395.042181] (U) [ 395.046325] ? mark_held_locks+0x130/0x130 [ 395.049404] 1*2048kB (M) [ 395.053643] ? mark_held_locks+0xc7/0x130 [ 395.055599] 3*4096kB [ 395.059827] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.062560] (M) [ 395.066699] ? graph_lock+0x170/0x170 [ 395.069080] = 15908kB [ 395.069089] Node 0 [ 395.074097] ? print_usage_bug+0xc0/0xc0 [ 395.076053] DMA32: [ 395.079853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.082238] 5*4kB [ 395.084478] ? check_preemption_disabled+0x48/0x200 [ 395.088513] (UMH) [ 395.090746] ? check_preemption_disabled+0x48/0x200 [ 395.096263] 2*8kB (MH) [ 395.098424] ? __lock_is_held+0xb5/0x140 [ 395.103409] 3*16kB [ 395.105565] __alloc_pages_nodemask+0xa80/0xde0 [ 395.110564] (MH) [ 395.113142] ? graph_lock+0x170/0x170 [ 395.117201] 3*32kB [ 395.119433] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.124075] (MH) [ 395.126134] ? graph_lock+0x170/0x170 [ 395.129912] 5*64kB [ 395.132150] ? find_held_lock+0x36/0x1c0 [ 395.137150] (MH) [ 395.139218] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.142986] 3*128kB (M) [ 395.145226] ? lock_downgrade+0x900/0x900 [ 395.149261] 5*256kB (UMH) [ 395.151333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.155967] 5*512kB (UMH) [ 395.158648] cache_grow_begin+0x91/0x8c0 [ 395.162768] 4*1024kB [ 395.165609] ? do_raw_spin_unlock+0xa7/0x2f0 [ 395.171117] (UMH) [ 395.173964] fallback_alloc+0x203/0x2e0 [ 395.178004] 2*2048kB [ 395.180419] ____cache_alloc_node+0x1c7/0x1e0 [ 395.184795] (M) [ 395.186946] kmem_cache_alloc_node+0xe3/0x730 [ 395.190889] 3*4096kB (M) [ 395.193306] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.197776] = 25204kB [ 395.199846] __alloc_skb+0x119/0x770 [ 395.204320] Node 0 [ 395.207088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.211297] Normal: [ 395.213716] ? skb_scrub_packet+0x490/0x490 [ 395.217397] 990*4kB [ 395.219635] ? lock_downgrade+0x900/0x900 [ 395.224885] (UMEH) [ 395.227215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.231511] 505*8kB [ 395.233834] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.237953] (MEH) [ 395.240186] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.245696] 189*16kB [ 395.248023] ? addrconf_rs_timer+0x690/0x690 [ 395.253449] (MEH) [ 395.255615] ndisc_alloc_skb+0x144/0x340 [ 395.261031] 66*32kB [ 395.263439] ndisc_send_rs+0x331/0x6e0 [ 395.267826] (UMH) [ 395.269972] addrconf_rs_timer+0x314/0x690 [ 395.274009] 0*64kB [ 395.276329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.280189] 1*128kB [ 395.282343] call_timer_fn+0x272/0x920 [ 395.286544] (H) [ 395.288774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.292986] 1*256kB [ 395.295309] ? process_timeout+0x40/0x40 [ 395.299172] (H) [ 395.301144] ? find_held_lock+0x36/0x1c0 [ 395.305353] 1*512kB (H) [ 395.307684] ? __run_timers+0x7da/0xc70 [ 395.311709] 0*1024kB 0*2048kB [ 395.313691] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.317725] 0*4096kB [ 395.320391] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.324338] = 14032kB [ 395.327526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.332003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.334402] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 395.338878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.341279] ? trace_hardirqs_on+0xbd/0x310 [ 395.345500] 5170 total pagecache pages [ 395.354333] ? kasan_check_read+0x11/0x20 [ 395.358893] 0 pages in swap cache [ 395.367456] ? __run_timers+0x7da/0xc70 [ 395.371756] Swap cache stats: add 0, delete 0, find 0/0 [ 395.371765] Free swap = 0kB [ 395.375651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.379773] Total swap = 0kB [ 395.383220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.387168] 1965979 pages RAM [ 395.392527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.395515] 0 pages HighMem/MovableOnly [ 395.395523] 342306 pages reserved [ 395.400967] __run_timers+0x7e5/0xc70 [ 395.403975] 0 pages cma reserved [ 395.404056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.408225] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 395.411392] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.415533] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.419498] kworker/0:2 cpuset= [ 395.422946] ? graph_lock+0x170/0x170 [ 395.426721] / [ 395.430084] ? enqueue_hrtimer+0x1a5/0x560 [ 395.436558] mems_allowed=0 [ 395.441909] ? lock_release+0x970/0x970 [ 395.477069] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.482269] ? find_held_lock+0x36/0x1c0 [ 395.486336] ? graph_lock+0x170/0x170 [ 395.490139] ? pvclock_read_flags+0x160/0x160 [ 395.494636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.500714] ? check_preemption_disabled+0x48/0x200 [ 395.505746] ? __lock_is_held+0xb5/0x140 [ 395.509809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.515350] ? check_preemption_disabled+0x48/0x200 [ 395.520377] run_timer_softirq+0x52/0xb0 [ 395.524442] ? rcu_read_lock_sched_held+0x108/0x120 [ 395.529472] __do_softirq+0x30b/0xad8 [ 395.533291] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 395.538406] ? pvclock_read_flags+0x160/0x160 [ 395.542903] ? lapic_next_event+0x5a/0x90 [ 395.547056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.552598] ? check_preemption_disabled+0x48/0x200 [ 395.557615] ? check_preemption_disabled+0x48/0x200 [ 395.562638] ? kvm_clock_read+0x18/0x30 [ 395.566616] ? kvm_sched_clock_read+0x9/0x20 [ 395.571030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.576568] ? check_preemption_disabled+0x48/0x200 [ 395.581688] irq_exit+0x17f/0x1c0 [ 395.585156] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.590013] ? smp_reschedule_interrupt+0x109/0x650 [ 395.595034] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.600925] ? interrupt_entry+0xb5/0xf0 [ 395.604997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.610020] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.615040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.619885] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.624902] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.629922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.635472] ? check_preemption_disabled+0x48/0x200 [ 395.640502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.646054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.650910] apic_timer_interrupt+0xf/0x20 [ 395.655143] [ 395.657388] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.662323] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 395.681236] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.688963] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.696240] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 395.703513] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 395.710783] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.718056] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 395.725380] skb_clone+0x1bb/0x500 [ 395.728929] ? finish_task_switch+0x2f5/0x900 [ 395.733431] ? skb_split+0x11e0/0x11e0 [ 395.737331] ? preempt_notifier_register+0x200/0x200 [ 395.742441] ? __switch_to_asm+0x34/0x70 [ 395.746509] ? __switch_to_asm+0x34/0x70 [ 395.750574] ? __switch_to_asm+0x40/0x70 [ 395.754634] ? __switch_to_asm+0x34/0x70 [ 395.758701] ? __switch_to_asm+0x40/0x70 [ 395.762765] ? __switch_to_asm+0x34/0x70 [ 395.766826] ? __switch_to_asm+0x40/0x70 [ 395.770909] ? __switch_to_asm+0x34/0x70 [ 395.774974] ? __switch_to_asm+0x34/0x70 [ 395.779048] ? __switch_to_asm+0x40/0x70 [ 395.783110] ? __switch_to_asm+0x34/0x70 [ 395.787182] bpf_clone_redirect+0xb9/0x490 [ 395.791425] ? __schedule+0x874/0x1ed0 [ 395.795321] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 395.800344] ? __sched_text_start+0x8/0x8 [ 395.804515] ? find_held_lock+0x36/0x1c0 [ 395.808587] ? lock_acquire+0x1ed/0x520 [ 395.812566] ? bpf_test_run+0x3cb/0x780 [ 395.816545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.822089] ? check_preemption_disabled+0x48/0x200 [ 395.827117] ? kasan_check_read+0x11/0x20 [ 395.831269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.836551] ? rcu_bh_qs+0xc0/0xc0 [ 395.840095] ? preempt_schedule+0x4d/0x60 [ 395.844263] ? ___preempt_schedule+0x16/0x18 [ 395.848684] ? bpf_test_run+0x25d/0x780 [ 395.852674] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.857088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.862670] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 395.867441] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.872291] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.877862] ? fput+0x130/0x1a0 [ 395.881145] ? __bpf_prog_get+0x9b/0x290 [ 395.885212] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.890060] ? bpf_prog_test_run+0x130/0x1a0 [ 395.894484] ? __x64_sys_bpf+0x3d8/0x520 [ 395.898549] ? bpf_prog_get+0x20/0x20 [ 395.902373] ? do_syscall_64+0x1b9/0x820 [ 395.906435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.911814] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.916751] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.921770] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.926788] ? recalc_sigpending_tsk+0x180/0x180 [ 395.931553] ? kasan_check_write+0x14/0x20 [ 395.935805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.940678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.946094] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 395.946193] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.953220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.953241] Workqueue: events_power_efficient neigh_periodic_work [ 395.953250] Call Trace: [ 395.953262] [ 395.959806] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.969100] dump_stack+0x1c4/0x2b4 [ 395.975309] syz-executor2 cpuset= [ 395.977890] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.980021] syz2 [ 395.990521] warn_alloc.cold.119+0xb7/0x1bd [ 395.994129] mems_allowed=0 [ 395.997572] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.016771] ? lock_downgrade+0x900/0x900 [ 396.020932] ? trace_hardirqs_off+0xb8/0x310 [ 396.025348] ? trace_hardirqs_off+0xb8/0x310 [ 396.029766] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.034644] ? warn_alloc+0x120/0x120 [ 396.038450] ? trace_hardirqs_on+0x310/0x310 [ 396.042875] ? warn_alloc+0x120/0x120 [ 396.046681] ? print_usage_bug+0xc0/0xc0 [ 396.050750] ? warn_alloc+0x120/0x120 [ 396.054564] ? ktime_get+0x2e1/0x440 [ 396.058290] ? print_usage_bug+0xc0/0xc0 [ 396.062354] ? __lock_acquire+0x7ec/0x4ec0 [ 396.066588] ? __lock_acquire+0x7ec/0x4ec0 [ 396.070829] ? kasan_check_read+0x11/0x20 [ 396.074980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.080531] ? should_fail+0x22d/0xd01 [ 396.084420] ? rcu_bh_qs+0xc0/0xc0 [ 396.087964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.093067] ? __lock_acquire+0x7ec/0x4ec0 [ 396.097310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.102413] ? __lock_acquire+0x7ec/0x4ec0 [ 396.106647] ? should_fail+0x22d/0xd01 [ 396.110540] ? rcu_idle_enter+0x4b0/0x4b0 [ 396.114711] ? mark_held_locks+0x130/0x130 [ 396.118950] ? mark_held_locks+0x130/0x130 [ 396.123194] ? mark_held_locks+0xc7/0x130 [ 396.127342] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.132361] ? graph_lock+0x170/0x170 [ 396.136164] ? print_usage_bug+0xc0/0xc0 [ 396.140231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.145770] ? check_preemption_disabled+0x48/0x200 [ 396.150803] ? check_preemption_disabled+0x48/0x200 [ 396.155836] ? __lock_is_held+0xb5/0x140 [ 396.159907] __alloc_pages_nodemask+0xa80/0xde0 [ 396.164580] ? graph_lock+0x170/0x170 [ 396.168390] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 396.173408] ? graph_lock+0x170/0x170 [ 396.177236] ? find_held_lock+0x36/0x1c0 [ 396.181313] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.185991] ? lock_downgrade+0x900/0x900 [ 396.190158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.195709] cache_grow_begin+0x91/0x8c0 [ 396.199778] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.204196] fallback_alloc+0x203/0x2e0 [ 396.208178] ____cache_alloc_node+0x1c7/0x1e0 [ 396.212694] kmem_cache_alloc_node+0xe3/0x730 [ 396.217194] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.221441] __alloc_skb+0x119/0x770 [ 396.225166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.230449] ? skb_scrub_packet+0x490/0x490 [ 396.234786] ? lock_downgrade+0x900/0x900 [ 396.238946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.244498] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.249958] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.255411] ? addrconf_rs_timer+0x690/0x690 [ 396.259837] ndisc_alloc_skb+0x144/0x340 [ 396.263905] ndisc_send_rs+0x331/0x6e0 [ 396.267799] addrconf_rs_timer+0x314/0x690 [ 396.272044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.276299] call_timer_fn+0x272/0x920 [ 396.280190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.284432] ? process_timeout+0x40/0x40 [ 396.288504] ? find_held_lock+0x36/0x1c0 [ 396.292580] ? mark_held_locks+0xc7/0x130 [ 396.296735] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.301232] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.305727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.309962] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.314546] ? trace_hardirqs_on+0xbd/0x310 [ 396.318869] ? kasan_check_read+0x11/0x20 [ 396.323020] ? __run_timers+0x7da/0xc70 [ 396.326998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.332459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.336713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.340949] __run_timers+0x7e5/0xc70 [ 396.344769] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.350135] ? lock_downgrade+0x900/0x900 [ 396.354296] ? print_usage_bug+0xc0/0xc0 [ 396.358360] ? trace_hardirqs_on+0x310/0x310 [ 396.362785] ? kvm_clock_read+0x18/0x30 [ 396.367267] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 396.372295] ? graph_lock+0x170/0x170 [ 396.376103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.381644] ? check_preemption_disabled+0x48/0x200 [ 396.386675] ? __lock_is_held+0xb5/0x140 [ 396.390738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.396275] ? check_preemption_disabled+0x48/0x200 [ 396.401301] run_timer_softirq+0x52/0xb0 [ 396.405364] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.410380] __do_softirq+0x30b/0xad8 [ 396.414198] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.419303] ? irq_exit+0xbd/0x1c0 [ 396.422842] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.427863] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.433755] ? ret_from_intr+0xb/0x1e [ 396.437565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.442589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.447434] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.452470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.458025] ? check_preemption_disabled+0x48/0x200 [ 396.463043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.468595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.473454] ? neigh_periodic_work+0x6bd/0xc60 [ 396.478050] do_softirq_own_stack+0x2a/0x40 [ 396.482364] [ 396.484608] do_softirq.part.13+0x126/0x160 [ 396.488934] __local_bh_enable_ip+0x21d/0x260 [ 396.493435] _raw_write_unlock_bh+0x30/0x40 [ 396.497768] neigh_periodic_work+0x6bd/0xc60 [ 396.502195] ? neigh_table_clear+0x390/0x390 [ 396.506628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.512170] ? check_preemption_disabled+0x48/0x200 [ 396.517200] ? check_preemption_disabled+0x48/0x200 [ 396.522227] ? __lock_is_held+0xb5/0x140 [ 396.526315] process_one_work+0xc90/0x1b90 [ 396.530550] ? mark_held_locks+0x130/0x130 [ 396.534801] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 396.539477] ? __switch_to_asm+0x40/0x70 [ 396.543546] ? __switch_to_asm+0x40/0x70 [ 396.547610] ? __switch_to_asm+0x34/0x70 [ 396.551673] ? __switch_to_asm+0x40/0x70 [ 396.555735] ? __switch_to_asm+0x34/0x70 [ 396.559798] ? __switch_to_asm+0x40/0x70 [ 396.563860] ? __switch_to_asm+0x34/0x70 [ 396.567922] ? __switch_to_asm+0x40/0x70 [ 396.571990] ? __schedule+0x874/0x1ed0 [ 396.575882] ? __switch_to_asm+0x34/0x70 [ 396.579946] ? __switch_to_asm+0x40/0x70 [ 396.584022] ? kasan_check_read+0x11/0x20 [ 396.588178] ? graph_lock+0x170/0x170 [ 396.591982] ? __sched_text_start+0x8/0x8 [ 396.596135] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.600720] ? retint_kernel+0x2d/0x2d [ 396.604613] ? find_held_lock+0x36/0x1c0 [ 396.608681] ? lock_acquire+0x1ed/0x520 [ 396.612657] ? worker_thread+0x3e0/0x1390 [ 396.616811] ? lock_release+0x970/0x970 [ 396.620787] ? trace_hardirqs_off+0xb8/0x310 [ 396.625205] ? kasan_check_read+0x11/0x20 [ 396.629367] ? worker_thread+0x3e0/0x1390 [ 396.633526] ? trace_hardirqs_on+0x310/0x310 [ 396.637943] ? kasan_check_write+0x14/0x20 [ 396.642179] ? do_raw_spin_lock+0xc1/0x200 [ 396.646422] worker_thread+0x17f/0x1390 [ 396.650401] ? __switch_to_asm+0x34/0x70 [ 396.654500] ? process_one_work+0x1b90/0x1b90 [ 396.659002] ? graph_lock+0x170/0x170 [ 396.662808] ? graph_lock+0x170/0x170 [ 396.666610] ? find_held_lock+0x36/0x1c0 [ 396.670685] ? find_held_lock+0x36/0x1c0 [ 396.674882] ? __kthread_parkme+0xce/0x1a0 [ 396.679124] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.684230] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.689336] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.693921] ? trace_hardirqs_on+0xbd/0x310 [ 396.698254] ? kasan_check_read+0x11/0x20 [ 396.702403] ? __kthread_parkme+0xce/0x1a0 [ 396.706642] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.712098] ? kasan_check_write+0x14/0x20 [ 396.716352] ? do_raw_spin_lock+0xc1/0x200 [ 396.720602] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.725709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.731249] ? __kthread_parkme+0xfb/0x1a0 [ 396.735505] kthread+0x35a/0x420 [ 396.738874] ? process_one_work+0x1b90/0x1b90 [ 396.743369] ? kthread_bind+0x40/0x40 [ 396.747172] ret_from_fork+0x3a/0x50 [ 396.750901] warn_alloc_show_mem: 1 callbacks suppressed [ 396.750913] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 396.750915] Mem-Info: [ 396.750945] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 396.750945] active_file:14 inactive_file:13 isolated_file:0 [ 396.750945] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.750945] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 396.750945] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 396.750945] free:13770 free_pcp:433 free_cma:0 [ 396.756295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.756304] Call Trace: [ 396.763676] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.766075] [ 396.799117] Node 0 [ 396.808732] dump_stack+0x1c4/0x2b4 [ 396.811319] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 396.838875] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.840999] lowmem_reserve[]: [ 396.843246] warn_alloc.cold.119+0xb7/0x1bd [ 396.846841] 0 [ 396.872341] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.877508] 2819 [ 396.880612] ? lock_downgrade+0x900/0x900 [ 396.884914] 6323 [ 396.886716] ? trace_hardirqs_off+0xb8/0x310 [ 396.891522] 6323 [ 396.893595] ? trace_hardirqs_off+0xb8/0x310 [ 396.897722] Node 0 [ 396.899782] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.904185] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 396.906247] ? warn_alloc+0x120/0x120 [ 396.910605] lowmem_reserve[]: [ 396.912856] ? lock_release+0x970/0x970 [ 396.917665] 0 0 [ 396.944668] ? warn_alloc+0x120/0x120 [ 396.948437] 3503 3503 [ 396.951566] ? print_usage_bug+0xc0/0xc0 [ 396.955518] Node 0 [ 396.957500] ? warn_alloc+0x120/0x120 [ 396.961302] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 396.963767] ? print_usage_bug+0xc0/0xc0 [ 396.967801] lowmem_reserve[]: [ 396.970033] ? __lock_acquire+0x7ec/0x4ec0 [ 396.973811] 0 [ 397.002354] ? __lock_acquire+0x7ec/0x4ec0 [ 397.006389] 0 0 [ 397.009500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.009517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.013740] 0 [ 397.015566] ? should_fail+0x22d/0xd01 [ 397.019775] Node 0 [ 397.021748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.027263] DMA: 1*4kB [ 397.032801] ? __lock_acquire+0x7ec/0x4ec0 [ 397.034584] (U) [ 397.038472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.040692] 0*8kB [ 397.045790] ? __lock_acquire+0x7ec/0x4ec0 [ 397.048351] 0*16kB [ 397.052578] ? should_fail+0x22d/0xd01 [ 397.054532] 1*32kB [ 397.059632] ? mark_held_locks+0x130/0x130 [ 397.061751] (U) [ 397.065980] ? mark_held_locks+0x130/0x130 [ 397.068194] 2*64kB [ 397.072076] ? graph_lock+0x170/0x170 [ 397.074289] (U) [ 397.078518] ? print_usage_bug+0xc0/0xc0 [ 397.080482] 1*128kB [ 397.084708] ? graph_lock+0x170/0x170 [ 397.086921] (U) [ 397.090715] ? print_usage_bug+0xc0/0xc0 [ 397.092669] 1*256kB (U) [ 397.096730] ? wq_watchdog_touch+0x9c/0xfe [ 397.099023] 0*512kB 1*1024kB [ 397.102829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.104783] (U) [ 397.108842] ? check_preemption_disabled+0x48/0x200 [ 397.111499] 1*2048kB [ 397.115730] ? check_preemption_disabled+0x48/0x200 [ 397.118813] (M) [ 397.124348] ? __lock_is_held+0xb5/0x140 [ 397.126295] 3*4096kB [ 397.131308] __alloc_pages_nodemask+0xa80/0xde0 [ 397.133690] (M) [ 397.138699] ? graph_lock+0x170/0x170 [ 397.140647] = 15908kB [ 397.140655] Node 0 [ 397.144719] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.147103] DMA32: [ 397.151772] ? graph_lock+0x170/0x170 [ 397.153752] 5*4kB [ 397.157552] ? find_held_lock+0x36/0x1c0 [ 397.159930] (UMH) [ 397.162167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.167146] 2*8kB (MH) [ 397.169392] ? lock_downgrade+0x900/0x900 [ 397.173171] 3*16kB [ 397.175318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.179347] (MH) [ 397.181518] cache_grow_begin+0x91/0x8c0 [ 397.186170] 3*32kB (MH) [ 397.188759] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.192886] 5*64kB (MH) [ 397.195176] fallback_alloc+0x203/0x2e0 [ 397.200695] 3*128kB (M) [ 397.202772] ____cache_alloc_node+0x1c7/0x1e0 [ 397.206804] 5*256kB [ 397.209476] kmem_cache_alloc_node+0xe3/0x730 [ 397.213858] (UMH) [ 397.216529] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.220490] 5*512kB [ 397.223245] __alloc_skb+0x119/0x770 [ 397.227707] (UMH) [ 397.230033] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.234502] 4*1024kB (UMH) [ 397.236660] ? skb_scrub_packet+0x490/0x490 [ 397.240864] 2*2048kB (M) [ 397.243190] ? lock_downgrade+0x900/0x900 [ 397.246876] 3*4096kB (M) [ 397.249042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.254292] = 25204kB [ 397.257219] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.261514] Node 0 [ 397.264269] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.268388] Normal: 990*4kB [ 397.271149] ? addrconf_rs_timer+0x690/0x690 [ 397.276661] (UMEH) [ 397.279074] ndisc_alloc_skb+0x144/0x340 [ 397.284491] 505*8kB [ 397.286727] ndisc_send_rs+0x331/0x6e0 [ 397.292152] (MEH) [ 397.295167] addrconf_rs_timer+0x314/0x690 [ 397.299544] 189*16kB (MEH) [ 397.301788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.305824] 66*32kB [ 397.308150] call_timer_fn+0x272/0x920 [ 397.312003] (UMH) [ 397.314148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.318358] 0*64kB [ 397.321283] ? process_timeout+0x40/0x40 [ 397.325492] 1*128kB [ 397.327813] ? find_held_lock+0x36/0x1c0 [ 397.331674] (H) [ 397.333828] ? __run_timers+0x7da/0xc70 [ 397.338035] 1*256kB [ 397.340270] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.344303] (H) [ 397.346625] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.350678] 1*512kB [ 397.352655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.356632] (H) [ 397.358969] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 397.363432] 0*1024kB 0*2048kB [ 397.365423] ? trace_hardirqs_on+0xbd/0x310 [ 397.369894] 0*4096kB [ 397.372213] ? kasan_check_read+0x11/0x20 [ 397.376424] = 14032kB [ 397.378395] ? __run_timers+0x7da/0xc70 [ 397.382977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.386163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.390459] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.390476] 5170 total pagecache pages [ 397.392886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.397016] 0 pages in swap cache [ 397.399413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.403362] Swap cache stats: add 0, delete 0, find 0/0 [ 397.403371] Free swap = 0kB [ 397.412203] __run_timers+0x7e5/0xc70 [ 397.417627] Total swap = 0kB [ 397.426207] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.430060] 1965979 pages RAM [ 397.434290] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.437718] 0 pages HighMem/MovableOnly [ 397.441948] ? graph_lock+0x170/0x170 [ 397.447285] 342306 pages reserved [ 397.450299] ? enqueue_hrtimer+0x1a5/0x560 [ 397.454067] 0 pages cma reserved [ 397.454157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.457081] ? lock_release+0x970/0x970 [ 397.457098] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.462561] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.465550] ? find_held_lock+0x36/0x1c0 [ 397.470539] kworker/0:2 cpuset= [ 397.474507] ? graph_lock+0x170/0x170 [ 397.478281] / [ 397.481728] ? pvclock_read_flags+0x160/0x160 [ 397.485941] mems_allowed=0 [ 397.489301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.541449] ? check_preemption_disabled+0x48/0x200 [ 397.546501] ? __lock_is_held+0xb5/0x140 [ 397.550568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.556109] ? check_preemption_disabled+0x48/0x200 [ 397.561138] run_timer_softirq+0x52/0xb0 [ 397.565203] ? rcu_read_lock_sched_held+0x108/0x120 [ 397.570227] __do_softirq+0x30b/0xad8 [ 397.574045] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.579156] ? pvclock_read_flags+0x160/0x160 [ 397.583656] ? lapic_next_event+0x5a/0x90 [ 397.587807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.593360] ? check_preemption_disabled+0x48/0x200 [ 397.598378] ? check_preemption_disabled+0x48/0x200 [ 397.603408] ? kvm_clock_read+0x18/0x30 [ 397.607386] ? kvm_sched_clock_read+0x9/0x20 [ 397.611812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.617357] ? check_preemption_disabled+0x48/0x200 [ 397.622393] irq_exit+0x17f/0x1c0 [ 397.625850] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.630692] ? smp_reschedule_interrupt+0x109/0x650 [ 397.635709] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.641595] ? interrupt_entry+0xb5/0xf0 [ 397.645676] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.650704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.655726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.660573] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.665588] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.670608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.676149] ? check_preemption_disabled+0x48/0x200 [ 397.681164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.686711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.691566] apic_timer_interrupt+0xf/0x20 [ 397.695794] [ 397.698034] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 397.702969] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 397.721873] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 397.729587] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 397.736852] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 397.744119] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 397.751389] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 397.758657] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 397.765970] skb_clone+0x1bb/0x500 [ 397.769519] ? finish_task_switch+0x2f5/0x900 [ 397.774037] ? skb_split+0x11e0/0x11e0 [ 397.777945] ? preempt_notifier_register+0x200/0x200 [ 397.783051] ? __switch_to_asm+0x34/0x70 [ 397.787120] ? __switch_to_asm+0x34/0x70 [ 397.791183] ? __switch_to_asm+0x40/0x70 [ 397.795243] ? __switch_to_asm+0x34/0x70 [ 397.799306] ? __switch_to_asm+0x40/0x70 [ 397.803365] ? __switch_to_asm+0x34/0x70 [ 397.807429] ? __switch_to_asm+0x40/0x70 [ 397.811502] ? __switch_to_asm+0x34/0x70 [ 397.815581] ? __switch_to_asm+0x34/0x70 [ 397.819642] ? __switch_to_asm+0x40/0x70 [ 397.823718] ? __switch_to_asm+0x34/0x70 [ 397.827792] bpf_clone_redirect+0xb9/0x490 [ 397.832030] ? __schedule+0x874/0x1ed0 [ 397.835926] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 397.840945] ? __sched_text_start+0x8/0x8 [ 397.845109] ? find_held_lock+0x36/0x1c0 [ 397.849178] ? lock_acquire+0x1ed/0x520 [ 397.853156] ? bpf_test_run+0x3cb/0x780 [ 397.857141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.862688] ? check_preemption_disabled+0x48/0x200 [ 397.867715] ? kasan_check_read+0x11/0x20 [ 397.871870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.877165] ? rcu_bh_qs+0xc0/0xc0 [ 397.880710] ? preempt_schedule+0x4d/0x60 [ 397.884858] ? ___preempt_schedule+0x16/0x18 [ 397.889287] ? bpf_test_run+0x25d/0x780 [ 397.893277] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.897692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.903239] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 397.908008] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.912853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.918389] ? fput+0x130/0x1a0 [ 397.921673] ? __bpf_prog_get+0x9b/0x290 [ 397.925739] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.930594] ? bpf_prog_test_run+0x130/0x1a0 [ 397.935013] ? __x64_sys_bpf+0x3d8/0x520 [ 397.939076] ? bpf_prog_get+0x20/0x20 [ 397.942899] ? do_syscall_64+0x1b9/0x820 [ 397.946961] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.952343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.957275] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.962292] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.967310] ? recalc_sigpending_tsk+0x180/0x180 [ 397.972068] ? kasan_check_write+0x14/0x20 [ 397.976310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.981166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.986550] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 397.986631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.993655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.993678] Workqueue: events_power_efficient neigh_periodic_work [ 397.993687] Call Trace: [ 397.993696] [ 398.000231] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.009526] dump_stack+0x1c4/0x2b4 [ 398.015732] syz-executor2 cpuset= [ 398.018311] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.020459] syz2 [ 398.030962] warn_alloc.cold.119+0xb7/0x1bd [ 398.034555] mems_allowed=0 [ 398.038009] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.057254] ? lock_downgrade+0x900/0x900 [ 398.061425] ? trace_hardirqs_off+0xb8/0x310 [ 398.065843] ? trace_hardirqs_off+0xb8/0x310 [ 398.070261] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.075139] ? warn_alloc+0x120/0x120 [ 398.078946] ? trace_hardirqs_on+0x310/0x310 [ 398.083356] ? warn_alloc+0x120/0x120 [ 398.087161] ? print_usage_bug+0xc0/0xc0 [ 398.091223] ? warn_alloc+0x120/0x120 [ 398.095024] ? ktime_get+0x2e1/0x440 [ 398.098742] ? print_usage_bug+0xc0/0xc0 [ 398.102811] ? __lock_acquire+0x7ec/0x4ec0 [ 398.107049] ? __lock_acquire+0x7ec/0x4ec0 [ 398.111285] ? kasan_check_read+0x11/0x20 [ 398.115437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.121001] ? should_fail+0x22d/0xd01 [ 398.124903] ? rcu_bh_qs+0xc0/0xc0 [ 398.128456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.133578] ? __lock_acquire+0x7ec/0x4ec0 [ 398.137825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.142931] ? __lock_acquire+0x7ec/0x4ec0 [ 398.147163] ? should_fail+0x22d/0xd01 [ 398.151055] ? rcu_idle_enter+0x4b0/0x4b0 [ 398.155222] ? mark_held_locks+0x130/0x130 [ 398.159471] ? mark_held_locks+0x130/0x130 [ 398.163739] ? mark_held_locks+0xc7/0x130 [ 398.167888] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.172917] ? graph_lock+0x170/0x170 [ 398.176716] ? print_usage_bug+0xc0/0xc0 [ 398.180782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.186332] ? check_preemption_disabled+0x48/0x200 [ 398.191353] ? check_preemption_disabled+0x48/0x200 [ 398.196388] ? __lock_is_held+0xb5/0x140 [ 398.200472] __alloc_pages_nodemask+0xa80/0xde0 [ 398.205150] ? graph_lock+0x170/0x170 [ 398.208962] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.213978] ? graph_lock+0x170/0x170 [ 398.217793] ? find_held_lock+0x36/0x1c0 [ 398.221867] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.226539] ? lock_downgrade+0x900/0x900 [ 398.230700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.236248] cache_grow_begin+0x91/0x8c0 [ 398.240319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.244743] fallback_alloc+0x203/0x2e0 [ 398.248727] ____cache_alloc_node+0x1c7/0x1e0 [ 398.253228] kmem_cache_alloc_node+0xe3/0x730 [ 398.257726] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.261975] __alloc_skb+0x119/0x770 [ 398.265700] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.270988] ? skb_scrub_packet+0x490/0x490 [ 398.275309] ? lock_downgrade+0x900/0x900 [ 398.279477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.285028] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.290498] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.295956] ? addrconf_rs_timer+0x690/0x690 [ 398.300377] ndisc_alloc_skb+0x144/0x340 [ 398.304443] ndisc_send_rs+0x331/0x6e0 [ 398.308345] addrconf_rs_timer+0x314/0x690 [ 398.312586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.316841] call_timer_fn+0x272/0x920 [ 398.320730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.324973] ? process_timeout+0x40/0x40 [ 398.329032] ? find_held_lock+0x36/0x1c0 [ 398.333102] ? mark_held_locks+0xc7/0x130 [ 398.337260] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.341758] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.346253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.350506] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 398.355095] ? trace_hardirqs_on+0xbd/0x310 [ 398.359423] ? kasan_check_read+0x11/0x20 [ 398.363574] ? __run_timers+0x7da/0xc70 [ 398.368064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.373529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.377769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.382004] __run_timers+0x7e5/0xc70 [ 398.385848] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.391211] ? lock_downgrade+0x900/0x900 [ 398.395370] ? print_usage_bug+0xc0/0xc0 [ 398.399431] ? trace_hardirqs_on+0x310/0x310 [ 398.403859] ? kvm_clock_read+0x18/0x30 [ 398.407834] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.412856] ? graph_lock+0x170/0x170 [ 398.416661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.422207] ? check_preemption_disabled+0x48/0x200 [ 398.427235] ? __lock_is_held+0xb5/0x140 [ 398.431296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.436833] ? check_preemption_disabled+0x48/0x200 [ 398.441865] run_timer_softirq+0x52/0xb0 [ 398.445934] ? rcu_read_lock_sched_held+0x108/0x120 [ 398.450956] __do_softirq+0x30b/0xad8 [ 398.454769] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 398.459882] ? irq_exit+0xbd/0x1c0 [ 398.463424] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.468444] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.474344] ? ret_from_intr+0xb/0x1e [ 398.478150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.483169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.488014] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.493035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.498575] ? check_preemption_disabled+0x48/0x200 [ 398.503591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.509140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.513992] ? neigh_periodic_work+0x6bd/0xc60 [ 398.518582] do_softirq_own_stack+0x2a/0x40 [ 398.522897] [ 398.525138] do_softirq.part.13+0x126/0x160 [ 398.529471] __local_bh_enable_ip+0x21d/0x260 [ 398.533979] _raw_write_unlock_bh+0x30/0x40 [ 398.538312] neigh_periodic_work+0x6bd/0xc60 [ 398.542740] ? neigh_table_clear+0x390/0x390 [ 398.547154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.552696] ? check_preemption_disabled+0x48/0x200 [ 398.557712] ? check_preemption_disabled+0x48/0x200 [ 398.562743] ? __lock_is_held+0xb5/0x140 [ 398.566825] process_one_work+0xc90/0x1b90 [ 398.571061] ? mark_held_locks+0x130/0x130 [ 398.575307] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 398.579980] ? __switch_to_asm+0x40/0x70 [ 398.584051] ? __switch_to_asm+0x40/0x70 [ 398.588113] ? __switch_to_asm+0x34/0x70 [ 398.592175] ? __switch_to_asm+0x40/0x70 [ 398.596239] ? __switch_to_asm+0x34/0x70 [ 398.600303] ? __switch_to_asm+0x40/0x70 [ 398.604367] ? __switch_to_asm+0x34/0x70 [ 398.608430] ? __switch_to_asm+0x40/0x70 [ 398.612512] ? __schedule+0x874/0x1ed0 [ 398.616400] ? __switch_to_asm+0x34/0x70 [ 398.620460] ? __switch_to_asm+0x40/0x70 [ 398.624553] ? kasan_check_read+0x11/0x20 [ 398.628703] ? graph_lock+0x170/0x170 [ 398.632511] ? __sched_text_start+0x8/0x8 [ 398.636672] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.641262] ? retint_kernel+0x2d/0x2d [ 398.645155] ? find_held_lock+0x36/0x1c0 [ 398.649229] ? lock_acquire+0x1ed/0x520 [ 398.653208] ? worker_thread+0x3e0/0x1390 [ 398.657364] ? lock_release+0x970/0x970 [ 398.661345] ? trace_hardirqs_off+0xb8/0x310 [ 398.665753] ? kasan_check_read+0x11/0x20 [ 398.669898] ? worker_thread+0x3e0/0x1390 [ 398.674047] ? trace_hardirqs_on+0x310/0x310 [ 398.678473] ? kasan_check_write+0x14/0x20 [ 398.682716] ? do_raw_spin_lock+0xc1/0x200 [ 398.686977] worker_thread+0x17f/0x1390 [ 398.690981] ? __switch_to_asm+0x34/0x70 [ 398.695059] ? process_one_work+0x1b90/0x1b90 [ 398.699561] ? graph_lock+0x170/0x170 [ 398.703366] ? graph_lock+0x170/0x170 [ 398.707165] ? find_held_lock+0x36/0x1c0 [ 398.711240] ? find_held_lock+0x36/0x1c0 [ 398.715438] ? __kthread_parkme+0xce/0x1a0 [ 398.719689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.724796] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.729903] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.734498] ? trace_hardirqs_on+0xbd/0x310 [ 398.738832] ? kasan_check_read+0x11/0x20 [ 398.742983] ? __kthread_parkme+0xce/0x1a0 [ 398.747219] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.752674] ? kasan_check_write+0x14/0x20 [ 398.756913] ? do_raw_spin_lock+0xc1/0x200 [ 398.761160] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.766267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.771805] ? __kthread_parkme+0xfb/0x1a0 [ 398.776049] kthread+0x35a/0x420 [ 398.779425] ? process_one_work+0x1b90/0x1b90 [ 398.783927] ? kthread_bind+0x40/0x40 [ 398.787739] ret_from_fork+0x3a/0x50 [ 398.791482] warn_alloc_show_mem: 1 callbacks suppressed [ 398.791494] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 398.791495] Mem-Info: [ 398.791526] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 398.791526] active_file:14 inactive_file:13 isolated_file:0 [ 398.791526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.791526] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 398.791526] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 398.791526] free:13770 free_pcp:433 free_cma:0 [ 398.796872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.804236] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 398.806635] Call Trace: [ 398.839690] Node 0 [ 398.849047] [ 398.876642] 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 [ 398.879201] dump_stack+0x1c4/0x2b4 [ 398.881402] lowmem_reserve[]: 0 [ 398.883567] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.909043] 2819 [ 398.912674] warn_alloc.cold.119+0xb7/0x1bd [ 398.915917] 6323 [ 398.921112] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.923147] 6323 [ 398.927476] ? lock_downgrade+0x900/0x900 [ 398.929518] Node 0 [ 398.934362] ? trace_hardirqs_off+0xb8/0x310 [ 398.936423] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 398.940541] ? trace_hardirqs_off+0xb8/0x310 [ 398.942745] lowmem_reserve[]: 0 [ 398.947158] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.974102] 0 3503 [ 398.978541] ? warn_alloc+0x120/0x120 [ 398.981770] 3503 [ 398.986612] ? warn_alloc+0x120/0x120 [ 398.988826] Node 0 [ 398.992628] ? print_usage_bug+0xc0/0xc0 [ 398.994707] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 398.998484] ? warn_alloc+0x120/0x120 [ 399.000702] lowmem_reserve[]: [ 399.004771] ? print_usage_bug+0xc0/0xc0 [ 399.033280] 0 0 [ 399.037082] ? __lock_acquire+0x7ec/0x4ec0 [ 399.040155] 0 0 [ 399.044217] ? __lock_acquire+0x7ec/0x4ec0 [ 399.046169] Node 0 [ 399.050402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.052344] DMA: 1*4kB [ 399.056581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.058798] (U) [ 399.064330] ? should_fail+0x22d/0xd01 [ 399.066886] 0*8kB 0*16kB [ 399.072424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.074369] 1*32kB (U) [ 399.078260] ? __lock_acquire+0x7ec/0x4ec0 [ 399.080989] 2*64kB (U) [ 399.086097] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.088656] 1*128kB (U) [ 399.092910] ? __lock_acquire+0x7ec/0x4ec0 [ 399.095481] 1*256kB [ 399.100577] ? should_fail+0x22d/0xd01 [ 399.103223] (U) [ 399.107456] ? mark_held_locks+0x130/0x130 [ 399.109772] 0*512kB [ 399.113669] ? mark_held_locks+0x130/0x130 [ 399.115621] 1*1024kB (U) [ 399.119857] ? graph_lock+0x170/0x170 [ 399.122153] 1*2048kB (M) [ 399.126406] ? print_usage_bug+0xc0/0xc0 [ 399.129134] 3*4096kB (M) [ 399.132966] ? graph_lock+0x170/0x170 [ 399.135697] = 15908kB [ 399.135705] Node 0 [ 399.139760] ? print_usage_bug+0xc0/0xc0 [ 399.142500] DMA32: [ 399.146294] ? wq_watchdog_touch+0x9c/0xfe [ 399.148681] 5*4kB [ 399.150913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.154950] (UMH) [ 399.157183] ? check_preemption_disabled+0x48/0x200 [ 399.161383] 2*8kB (MH) [ 399.163542] ? check_preemption_disabled+0x48/0x200 [ 399.169050] 3*16kB [ 399.171203] ? __lock_is_held+0xb5/0x140 [ 399.176186] (MH) [ 399.178770] __alloc_pages_nodemask+0xa80/0xde0 [ 399.183752] 3*32kB (MH) [ 399.186002] ? graph_lock+0x170/0x170 [ 399.190036] 5*64kB [ 399.192092] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.196730] (MH) 3*128kB [ 399.199408] ? graph_lock+0x170/0x170 [ 399.203185] (M) [ 399.205426] ? find_held_lock+0x36/0x1c0 [ 399.210409] 5*256kB (UMH) [ 399.213175] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.216966] 5*512kB (UMH) [ 399.218952] ? lock_downgrade+0x900/0x900 [ 399.222994] 4*1024kB [ 399.225838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.230490] (UMH) [ 399.233326] cache_grow_begin+0x91/0x8c0 [ 399.237442] 2*2048kB (M) [ 399.239867] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.245392] 3*4096kB [ 399.247541] fallback_alloc+0x203/0x2e0 [ 399.251576] (M) [ 399.254351] ____cache_alloc_node+0x1c7/0x1e0 [ 399.258731] = 25204kB [ 399.261141] kmem_cache_alloc_node+0xe3/0x730 [ 399.265097] Node 0 [ 399.267087] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.271572] Normal: 990*4kB [ 399.273995] __alloc_skb+0x119/0x770 [ 399.278458] (UMEH) [ 399.280700] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.284902] 505*8kB (MEH) [ 399.287928] ? skb_scrub_packet+0x490/0x490 [ 399.291620] 189*16kB [ 399.293851] ? lock_downgrade+0x900/0x900 [ 399.299100] (MEH) [ 399.301943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.306235] 66*32kB [ 399.308640] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.312759] (UMH) [ 399.314908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.320429] 0*64kB 1*128kB [ 399.322760] ? addrconf_rs_timer+0x690/0x690 [ 399.328188] (H) [ 399.330342] ndisc_alloc_skb+0x144/0x340 [ 399.335755] 1*256kB (H) [ 399.338695] ndisc_send_rs+0x331/0x6e0 [ 399.343078] 1*512kB [ 399.345080] addrconf_rs_timer+0x314/0x690 [ 399.349129] (H) [ 399.351806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.355664] 0*1024kB 0*2048kB [ 399.358019] call_timer_fn+0x272/0x920 [ 399.362216] 0*4096kB [ 399.364186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.368396] = 14032kB [ 399.371586] ? process_timeout+0x40/0x40 [ 399.375454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.377858] ? find_held_lock+0x36/0x1c0 [ 399.382078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.384505] ? __run_timers+0x7da/0xc70 [ 399.388547] 5170 total pagecache pages [ 399.397382] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.401425] 0 pages in swap cache [ 399.409992] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.413971] Swap cache stats: add 0, delete 0, find 0/0 [ 399.413980] Free swap = 0kB [ 399.417877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.422345] Total swap = 0kB [ 399.422353] 1965979 pages RAM [ 399.425805] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.430283] 0 pages HighMem/MovableOnly [ 399.430292] 342306 pages reserved [ 399.435647] ? trace_hardirqs_on+0xbd/0x310 [ 399.438644] 0 pages cma reserved [ 399.442874] ? kasan_check_read+0x11/0x20 [ 399.445935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.448966] ? __run_timers+0x7da/0xc70 [ 399.453624] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.457500] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.457521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.460952] kworker/0:2 cpuset= [ 399.465277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.468634] / [ 399.472779] __run_timers+0x7e5/0xc70 [ 399.479249] mems_allowed=0 [ 399.483228] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.524964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.529993] ? graph_lock+0x170/0x170 [ 399.533812] ? enqueue_hrtimer+0x1a5/0x560 [ 399.538052] ? lock_release+0x970/0x970 [ 399.542043] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.547240] ? find_held_lock+0x36/0x1c0 [ 399.551306] ? graph_lock+0x170/0x170 [ 399.555111] ? pvclock_read_flags+0x160/0x160 [ 399.559613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.565170] ? check_preemption_disabled+0x48/0x200 [ 399.570199] ? __lock_is_held+0xb5/0x140 [ 399.574261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.579802] ? check_preemption_disabled+0x48/0x200 [ 399.584829] run_timer_softirq+0x52/0xb0 [ 399.588902] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.593918] __do_softirq+0x30b/0xad8 [ 399.597734] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.602843] ? pvclock_read_flags+0x160/0x160 [ 399.607340] ? lapic_next_event+0x5a/0x90 [ 399.611496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.617039] ? check_preemption_disabled+0x48/0x200 [ 399.622060] ? check_preemption_disabled+0x48/0x200 [ 399.627086] ? kvm_clock_read+0x18/0x30 [ 399.631061] ? kvm_sched_clock_read+0x9/0x20 [ 399.635495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.641034] ? check_preemption_disabled+0x48/0x200 [ 399.646067] irq_exit+0x17f/0x1c0 [ 399.649522] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.654362] ? smp_reschedule_interrupt+0x109/0x650 [ 399.659379] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.665296] ? interrupt_entry+0xb5/0xf0 [ 399.669362] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.674391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.679424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.684305] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.689324] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.694340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.699900] ? check_preemption_disabled+0x48/0x200 [ 399.704919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.710486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.715346] apic_timer_interrupt+0xf/0x20 [ 399.719578] [ 399.721823] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 399.726765] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 399.745663] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 399.753373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 399.760644] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 399.767943] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 399.775240] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 399.782526] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 399.789857] skb_clone+0x1bb/0x500 [ 399.793399] ? finish_task_switch+0x2f5/0x900 [ 399.797895] ? skb_split+0x11e0/0x11e0 [ 399.801788] ? preempt_notifier_register+0x200/0x200 [ 399.806920] ? __switch_to_asm+0x34/0x70 [ 399.810992] ? __switch_to_asm+0x34/0x70 [ 399.815053] ? __switch_to_asm+0x40/0x70 [ 399.819133] ? __switch_to_asm+0x34/0x70 [ 399.823193] ? __switch_to_asm+0x40/0x70 [ 399.827253] ? __switch_to_asm+0x34/0x70 [ 399.831316] ? __switch_to_asm+0x40/0x70 [ 399.835379] ? __switch_to_asm+0x34/0x70 [ 399.839445] ? __switch_to_asm+0x34/0x70 [ 399.843517] ? __switch_to_asm+0x40/0x70 [ 399.847582] ? __switch_to_asm+0x34/0x70 [ 399.851666] bpf_clone_redirect+0xb9/0x490 [ 399.855902] ? __schedule+0x874/0x1ed0 [ 399.859838] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 399.864859] ? __sched_text_start+0x8/0x8 [ 399.869029] ? find_held_lock+0x36/0x1c0 [ 399.873102] ? lock_acquire+0x1ed/0x520 [ 399.877080] ? bpf_test_run+0x3cb/0x780 [ 399.881058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.886601] ? check_preemption_disabled+0x48/0x200 [ 399.891625] ? kasan_check_read+0x11/0x20 [ 399.895776] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.901058] ? rcu_bh_qs+0xc0/0xc0 [ 399.904605] ? preempt_schedule+0x4d/0x60 [ 399.908759] ? ___preempt_schedule+0x16/0x18 [ 399.913184] ? bpf_test_run+0x25d/0x780 [ 399.917181] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.921599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.927146] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 399.931913] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.936760] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.942299] ? fput+0x130/0x1a0 [ 399.945583] ? __bpf_prog_get+0x9b/0x290 [ 399.949651] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.954500] ? bpf_prog_test_run+0x130/0x1a0 [ 399.958919] ? __x64_sys_bpf+0x3d8/0x520 [ 399.962981] ? bpf_prog_get+0x20/0x20 [ 399.966809] ? do_syscall_64+0x1b9/0x820 [ 399.970891] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.976261] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.981195] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.986216] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.991232] ? recalc_sigpending_tsk+0x180/0x180 [ 399.996000] ? kasan_check_write+0x14/0x20 [ 400.000247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.005101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.010504] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 400.010580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.017610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.017631] Workqueue: events_power_efficient neigh_periodic_work [ 400.017640] Call Trace: [ 400.017651] [ 400.024317] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.033495] dump_stack+0x1c4/0x2b4 [ 400.033515] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.040077] syz-executor2 cpuset= [ 400.042673] warn_alloc.cold.119+0xb7/0x1bd [ 400.045077] syz2 [ 400.055476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.055515] ? lock_downgrade+0x900/0x900 [ 400.055540] ? trace_hardirqs_off+0xb8/0x310 [ 400.055562] ? trace_hardirqs_off+0xb8/0x310 [ 400.055586] __alloc_pages_slowpath+0x2667/0x2d80 [ 400.059415] mems_allowed=0 [ 400.064628] ? warn_alloc+0x120/0x120 [ 400.103573] ? trace_hardirqs_on+0x310/0x310 [ 400.107989] ? warn_alloc+0x120/0x120 [ 400.111793] ? print_usage_bug+0xc0/0xc0 [ 400.115855] ? warn_alloc+0x120/0x120 [ 400.119656] ? ktime_get+0x2e1/0x440 [ 400.123373] ? print_usage_bug+0xc0/0xc0 [ 400.127436] ? __lock_acquire+0x7ec/0x4ec0 [ 400.131682] ? __lock_acquire+0x7ec/0x4ec0 [ 400.135921] ? kasan_check_read+0x11/0x20 [ 400.140071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.145609] ? should_fail+0x22d/0xd01 [ 400.149509] ? rcu_bh_qs+0xc0/0xc0 [ 400.153057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.158162] ? __lock_acquire+0x7ec/0x4ec0 [ 400.162401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.167507] ? __lock_acquire+0x7ec/0x4ec0 [ 400.171743] ? should_fail+0x22d/0xd01 [ 400.175632] ? rcu_idle_enter+0x4b0/0x4b0 [ 400.179790] ? mark_held_locks+0x130/0x130 [ 400.184033] ? mark_held_locks+0x130/0x130 [ 400.188274] ? mark_held_locks+0xc7/0x130 [ 400.192422] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 400.197473] ? graph_lock+0x170/0x170 [ 400.201284] ? print_usage_bug+0xc0/0xc0 [ 400.205354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.210904] ? check_preemption_disabled+0x48/0x200 [ 400.215937] ? check_preemption_disabled+0x48/0x200 [ 400.220984] ? __lock_is_held+0xb5/0x140 [ 400.225061] __alloc_pages_nodemask+0xa80/0xde0 [ 400.229736] ? graph_lock+0x170/0x170 [ 400.233546] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 400.238562] ? graph_lock+0x170/0x170 [ 400.242374] ? find_held_lock+0x36/0x1c0 [ 400.246446] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.251128] ? lock_downgrade+0x900/0x900 [ 400.255287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.260830] cache_grow_begin+0x91/0x8c0 [ 400.264893] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.269311] fallback_alloc+0x203/0x2e0 [ 400.273297] ____cache_alloc_node+0x1c7/0x1e0 [ 400.277799] kmem_cache_alloc_node+0xe3/0x730 [ 400.282296] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.286549] __alloc_skb+0x119/0x770 [ 400.290268] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.295550] ? skb_scrub_packet+0x490/0x490 [ 400.299874] ? lock_downgrade+0x900/0x900 [ 400.304037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.309580] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.315034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.320498] ? addrconf_rs_timer+0x690/0x690 [ 400.324924] ndisc_alloc_skb+0x144/0x340 [ 400.328991] ndisc_send_rs+0x331/0x6e0 [ 400.332889] addrconf_rs_timer+0x314/0x690 [ 400.337133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.341389] call_timer_fn+0x272/0x920 [ 400.345275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.349520] ? process_timeout+0x40/0x40 [ 400.353580] ? find_held_lock+0x36/0x1c0 [ 400.357651] ? mark_held_locks+0xc7/0x130 [ 400.361811] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.366753] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.371249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.375496] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 400.380083] ? trace_hardirqs_on+0xbd/0x310 [ 400.384407] ? kasan_check_read+0x11/0x20 [ 400.388557] ? __run_timers+0x7da/0xc70 [ 400.392538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.397993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.402234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.406480] __run_timers+0x7e5/0xc70 [ 400.410302] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 400.415664] ? lock_downgrade+0x900/0x900 [ 400.419827] ? print_usage_bug+0xc0/0xc0 [ 400.423889] ? trace_hardirqs_on+0x310/0x310 [ 400.428310] ? kvm_clock_read+0x18/0x30 [ 400.432285] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 400.437308] ? graph_lock+0x170/0x170 [ 400.441118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.446662] ? check_preemption_disabled+0x48/0x200 [ 400.451695] ? __lock_is_held+0xb5/0x140 [ 400.455760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.461301] ? check_preemption_disabled+0x48/0x200 [ 400.466323] run_timer_softirq+0x52/0xb0 [ 400.470388] ? rcu_read_lock_sched_held+0x108/0x120 [ 400.475409] __do_softirq+0x30b/0xad8 [ 400.479223] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.484326] ? irq_exit+0xbd/0x1c0 [ 400.487867] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 400.492887] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.498778] ? ret_from_intr+0xb/0x1e [ 400.502581] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.507599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.512457] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.517582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.523137] ? check_preemption_disabled+0x48/0x200 [ 400.528155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.533831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.538711] ? neigh_periodic_work+0x6bd/0xc60 [ 400.543295] do_softirq_own_stack+0x2a/0x40 [ 400.547612] [ 400.549854] do_softirq.part.13+0x126/0x160 [ 400.554175] __local_bh_enable_ip+0x21d/0x260 [ 400.558694] _raw_write_unlock_bh+0x30/0x40 [ 400.563023] neigh_periodic_work+0x6bd/0xc60 [ 400.567446] ? neigh_table_clear+0x390/0x390 [ 400.571869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.577410] ? check_preemption_disabled+0x48/0x200 [ 400.582428] ? check_preemption_disabled+0x48/0x200 [ 400.587482] ? __lock_is_held+0xb5/0x140 [ 400.591586] process_one_work+0xc90/0x1b90 [ 400.595825] ? mark_held_locks+0x130/0x130 [ 400.600089] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 400.604775] ? __switch_to_asm+0x40/0x70 [ 400.608839] ? __switch_to_asm+0x40/0x70 [ 400.612901] ? __switch_to_asm+0x34/0x70 [ 400.616964] ? __switch_to_asm+0x40/0x70 [ 400.621027] ? __switch_to_asm+0x34/0x70 [ 400.625108] ? __switch_to_asm+0x40/0x70 [ 400.629172] ? __switch_to_asm+0x34/0x70 [ 400.633233] ? __switch_to_asm+0x40/0x70 [ 400.637308] ? __schedule+0x874/0x1ed0 [ 400.641200] ? __switch_to_asm+0x34/0x70 [ 400.645260] ? __switch_to_asm+0x40/0x70 [ 400.649349] ? kasan_check_read+0x11/0x20 [ 400.653514] ? graph_lock+0x170/0x170 [ 400.657335] ? __sched_text_start+0x8/0x8 [ 400.661505] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.666092] ? retint_kernel+0x2d/0x2d [ 400.669986] ? find_held_lock+0x36/0x1c0 [ 400.674056] ? lock_acquire+0x1ed/0x520 [ 400.678034] ? worker_thread+0x3e0/0x1390 [ 400.682196] ? lock_release+0x970/0x970 [ 400.686177] ? trace_hardirqs_off+0xb8/0x310 [ 400.690588] ? kasan_check_read+0x11/0x20 [ 400.694739] ? worker_thread+0x3e0/0x1390 [ 400.698887] ? trace_hardirqs_on+0x310/0x310 [ 400.703301] ? kasan_check_write+0x14/0x20 [ 400.707539] ? do_raw_spin_lock+0xc1/0x200 [ 400.711781] worker_thread+0x17f/0x1390 [ 400.715761] ? __switch_to_asm+0x34/0x70 [ 400.719836] ? process_one_work+0x1b90/0x1b90 [ 400.724341] ? graph_lock+0x170/0x170 [ 400.728145] ? graph_lock+0x170/0x170 [ 400.731947] ? find_held_lock+0x36/0x1c0 [ 400.736020] ? find_held_lock+0x36/0x1c0 [ 400.740095] ? __kthread_parkme+0xce/0x1a0 [ 400.744337] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.749441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.754556] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.759140] ? trace_hardirqs_on+0xbd/0x310 [ 400.763473] ? kasan_check_read+0x11/0x20 [ 400.767627] ? __kthread_parkme+0xce/0x1a0 [ 400.771866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.777320] ? kasan_check_write+0x14/0x20 [ 400.781556] ? do_raw_spin_lock+0xc1/0x200 [ 400.785802] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.790908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.796447] ? __kthread_parkme+0xfb/0x1a0 [ 400.800700] kthread+0x35a/0x420 [ 400.804069] ? process_one_work+0x1b90/0x1b90 [ 400.808588] ? kthread_bind+0x40/0x40 [ 400.812395] ret_from_fork+0x3a/0x50 [ 400.816127] warn_alloc_show_mem: 1 callbacks suppressed [ 400.816138] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 400.816140] Mem-Info: [ 400.816171] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 400.816171] active_file:14 inactive_file:13 isolated_file:0 [ 400.816171] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.816171] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 400.816171] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 400.816171] free:13770 free_pcp:433 free_cma:0 [ 400.821519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.828886] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.831282] Call Trace: [ 400.864346] Node 0 [ 400.873694] [ 400.901287] 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 [ 400.903847] dump_stack+0x1c4/0x2b4 [ 400.906073] lowmem_reserve[]: [ 400.908220] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.933695] 0 [ 400.937327] warn_alloc.cold.119+0xb7/0x1bd [ 400.940396] 2819 [ 400.945590] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.947367] 6323 [ 400.951681] ? lock_downgrade+0x900/0x900 [ 400.953723] 6323 [ 400.958563] ? trace_hardirqs_off+0xb8/0x310 [ 400.964741] ? trace_hardirqs_off+0xb8/0x310 [ 400.966778] Node 0 [ 400.971188] __alloc_pages_slowpath+0x2667/0x2d80 [ 400.975597] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 400.977833] ? warn_alloc+0x120/0x120 [ 400.982623] lowmem_reserve[]: [ 401.009599] ? __bfs+0xb0/0x7a0 [ 401.013374] 0 [ 401.016492] ? warn_alloc+0x120/0x120 [ 401.019751] 0 [ 401.021567] ? print_usage_bug+0xc0/0xc0 [ 401.025352] 3503 3503 [ 401.027155] ? lock_pin_lock+0x350/0x350 [ 401.033693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.037721] Node 0 [ 401.043248] ? should_fail+0x22d/0xd01 [ 401.043285] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 401.045498] ? trace_hardirqs_off+0xb8/0x310 [ 401.045517] ? kasan_check_read+0x11/0x20 [ 401.049378] lowmem_reserve[]: [ 401.077921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.082312] 0 [ 401.086479] ? __lock_acquire+0x7ec/0x4ec0 [ 401.089565] 0 [ 401.094666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.096444] 0 0 [ 401.100688] ? should_fail+0x22d/0xd01 [ 401.107586] ? mark_held_locks+0x130/0x130 [ 401.109558] Node 0 [ 401.113436] ? mark_held_locks+0x130/0x130 [ 401.117655] DMA: [ 401.119902] ? print_usage_bug+0xc0/0xc0 [ 401.124128] 1*4kB [ 401.126191] ? graph_lock+0x170/0x170 [ 401.130254] (U) [ 401.132401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.136171] 0*8kB 0*16kB [ 401.138153] ? check_preemption_disabled+0x48/0x200 [ 401.143663] 1*32kB [ 401.146414] ? check_preemption_disabled+0x48/0x200 [ 401.151402] (U) [ 401.153641] ? __lock_is_held+0xb5/0x140 [ 401.158621] 2*64kB (U) [ 401.160605] __alloc_pages_nodemask+0xa80/0xde0 [ 401.164652] 1*128kB (U) [ 401.167269] ? graph_lock+0x170/0x170 [ 401.171915] 1*256kB [ 401.174581] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.178361] (U) [ 401.180676] ? graph_lock+0x170/0x170 [ 401.185686] 0*512kB [ 401.187669] ? find_held_lock+0x36/0x1c0 [ 401.191438] 1*1024kB (U) [ 401.193789] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.197819] 1*2048kB (M) [ 401.200598] ? lock_downgrade+0x900/0x900 [ 401.205247] 3*4096kB (M) [ 401.208028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.212147] = 15908kB [ 401.214908] cache_grow_begin+0x91/0x8c0 [ 401.220416] Node 0 [ 401.222827] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.226860] DMA32: [ 401.229099] fallback_alloc+0x203/0x2e0 [ 401.233483] 5*4kB [ 401.235718] ____cache_alloc_node+0x1c7/0x1e0 [ 401.239720] (UMH) [ 401.241867] kmem_cache_alloc_node+0xe3/0x730 [ 401.246343] 2*8kB [ 401.248502] ? mark_held_locks+0xc7/0x130 [ 401.252971] (MH) [ 401.255126] __alloc_skb+0x119/0x770 [ 401.259237] 3*16kB (MH) [ 401.261304] ? skb_scrub_packet+0x490/0x490 [ 401.264998] 3*32kB [ 401.267670] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 401.271963] (MH) [ 401.274202] ? queue_work_on+0x12c/0x1e0 [ 401.278753] 5*64kB (MH) [ 401.280890] ? switchdev_port_obj_del+0xdc/0x450 [ 401.284859] 3*128kB [ 401.287526] ? switchdev_trans_item_enqueue+0x260/0x260 [ 401.292259] (M) [ 401.294580] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.299914] 5*256kB (UMH) [ 401.301896] ? mod_timer+0x647/0x1440 [ 401.306971] 5*512kB (UMH) [ 401.309830] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.313603] 4*1024kB (UMH) [ 401.316516] __br_mdb_notify+0x4ff/0x15d0 [ 401.321455] 2*2048kB [ 401.324397] ? __br_mdb_add+0x7f0/0x7f0 [ 401.328513] (M) [ 401.330928] ? graph_lock+0x170/0x170 [ 401.334863] 3*4096kB (M) [ 401.336846] ? br_multicast_group_expired+0x96/0x610 [ 401.340617] = 25204kB [ 401.343377] br_mdb_notify+0x310/0x410 [ 401.348453] Node 0 [ 401.350868] ? br_mdb_dump+0x27b0/0x27b0 [ 401.354726] Normal: 990*4kB [ 401.356976] ? kasan_check_write+0x14/0x20 [ 401.361013] (UMEH) [ 401.364028] ? do_raw_spin_lock+0xc1/0x200 [ 401.368247] 505*8kB [ 401.370488] br_multicast_group_expired+0x1bc/0x610 [ 401.374704] (MEH) [ 401.377038] ? br_mdb_free+0x80/0x80 [ 401.382030] 189*16kB [ 401.384182] call_timer_fn+0x272/0x920 [ 401.387860] (MEH) [ 401.390265] ? br_mdb_free+0x80/0x80 [ 401.394129] 66*32kB [ 401.396271] ? process_timeout+0x40/0x40 [ 401.399958] (UMH) [ 401.402275] ? find_held_lock+0x36/0x1c0 [ 401.406306] 0*64kB 1*128kB [ 401.408477] ? __run_timers+0x7da/0xc70 [ 401.412510] (H) [ 401.415438] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.419385] 1*256kB [ 401.421356] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.425825] (H) [ 401.428142] ? br_mdb_free+0x80/0x80 [ 401.428159] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.432631] 1*512kB [ 401.434604] ? trace_hardirqs_on+0xbd/0x310 [ 401.438296] (H) [ 401.442873] ? kasan_check_read+0x11/0x20 [ 401.445169] 0*1024kB 0*2048kB [ 401.449504] ? __run_timers+0x7da/0xc70 [ 401.451455] 0*4096kB = 14032kB [ 401.455615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.458789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.462763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.465934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.471373] ? br_mdb_free+0x80/0x80 [ 401.480184] 5170 total pagecache pages [ 401.484410] __run_timers+0x7e5/0xc70 [ 401.492970] 0 pages in swap cache [ 401.497058] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.500920] Swap cache stats: add 0, delete 0, find 0/0 [ 401.504714] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.508147] Free swap = 0kB [ 401.513536] ? graph_lock+0x170/0x170 [ 401.518878] Total swap = 0kB [ 401.518887] 1965979 pages RAM [ 401.523895] ? enqueue_hrtimer+0x1a5/0x560 [ 401.526891] 0 pages HighMem/MovableOnly [ 401.530685] ? lock_release+0x970/0x970 [ 401.533676] 342306 pages reserved [ 401.533684] 0 pages cma reserved [ 401.536784] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.541080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.544976] ? find_held_lock+0x36/0x1c0 [ 401.548984] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.552374] ? graph_lock+0x170/0x170 [ 401.555715] kworker/0:2 cpuset= [ 401.560901] ? pvclock_read_flags+0x160/0x160 [ 401.567399] / [ 401.571457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.581755] mems_allowed=0 [ 401.585569] ? check_preemption_disabled+0x48/0x200 [ 401.608503] ? __lock_is_held+0xb5/0x140 [ 401.612570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.618127] ? check_preemption_disabled+0x48/0x200 [ 401.623156] run_timer_softirq+0x52/0xb0 [ 401.627218] ? rcu_read_lock_sched_held+0x108/0x120 [ 401.632240] __do_softirq+0x30b/0xad8 [ 401.636076] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.641198] ? pvclock_read_flags+0x160/0x160 [ 401.645721] ? lapic_next_event+0x5a/0x90 [ 401.649884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.655427] ? check_preemption_disabled+0x48/0x200 [ 401.660455] ? check_preemption_disabled+0x48/0x200 [ 401.665495] ? kvm_clock_read+0x18/0x30 [ 401.669491] ? kvm_sched_clock_read+0x9/0x20 [ 401.673952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.679509] ? check_preemption_disabled+0x48/0x200 [ 401.684541] irq_exit+0x17f/0x1c0 [ 401.688006] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.692853] ? smp_reschedule_interrupt+0x109/0x650 [ 401.697882] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.703774] ? interrupt_entry+0xb5/0xf0 [ 401.707839] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.712857] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.717875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.722720] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.727742] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.732774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.738317] ? check_preemption_disabled+0x48/0x200 [ 401.743334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.748883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.753743] apic_timer_interrupt+0xf/0x20 [ 401.757977] [ 401.760229] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 401.765171] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 401.784079] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 401.791792] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 401.799061] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 401.806328] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 401.813601] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 401.820873] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 401.828192] skb_clone+0x1bb/0x500 [ 401.831739] ? finish_task_switch+0x2f5/0x900 [ 401.836244] ? skb_split+0x11e0/0x11e0 [ 401.840136] ? preempt_notifier_register+0x200/0x200 [ 401.845245] ? __switch_to_asm+0x34/0x70 [ 401.849321] ? __switch_to_asm+0x34/0x70 [ 401.853382] ? __switch_to_asm+0x40/0x70 [ 401.857447] ? __switch_to_asm+0x34/0x70 [ 401.861516] ? __switch_to_asm+0x40/0x70 [ 401.865579] ? __switch_to_asm+0x34/0x70 [ 401.869646] ? __switch_to_asm+0x40/0x70 [ 401.873707] ? __switch_to_asm+0x34/0x70 [ 401.877770] ? __switch_to_asm+0x34/0x70 [ 401.881836] ? __switch_to_asm+0x40/0x70 [ 401.885897] ? __switch_to_asm+0x34/0x70 [ 401.889968] bpf_clone_redirect+0xb9/0x490 [ 401.894224] ? __schedule+0x874/0x1ed0 [ 401.898124] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 401.903144] ? __sched_text_start+0x8/0x8 [ 401.907313] ? find_held_lock+0x36/0x1c0 [ 401.911392] ? lock_acquire+0x1ed/0x520 [ 401.915367] ? bpf_test_run+0x3cb/0x780 [ 401.919348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.924888] ? check_preemption_disabled+0x48/0x200 [ 401.929912] ? kasan_check_read+0x11/0x20 [ 401.934067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.939345] ? rcu_bh_qs+0xc0/0xc0 [ 401.942887] ? preempt_schedule+0x4d/0x60 [ 401.947037] ? ___preempt_schedule+0x16/0x18 [ 401.951460] ? bpf_test_run+0x25d/0x780 [ 401.955459] ? netlink_diag_dump+0x2a0/0x2a0 [ 401.959880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.965429] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 401.970221] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.975063] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.980603] ? fput+0x130/0x1a0 [ 401.983890] ? __bpf_prog_get+0x9b/0x290 [ 401.987958] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.992807] ? bpf_prog_test_run+0x130/0x1a0 [ 401.997225] ? __x64_sys_bpf+0x3d8/0x520 [ 402.001287] ? bpf_prog_get+0x20/0x20 [ 402.005114] ? do_syscall_64+0x1b9/0x820 [ 402.009178] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.014546] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.019498] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.024524] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.029540] ? recalc_sigpending_tsk+0x180/0x180 [ 402.034301] ? kasan_check_write+0x14/0x20 [ 402.038543] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.043396] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.048785] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 402.048959] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.055894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.066363] syz-executor2 cpuset=syz2 [ 402.075715] Workqueue: events_power_efficient neigh_periodic_work [ 402.079514] mems_allowed=0 [ 402.085740] Call Trace: [ 402.091239] [ 402.093395] dump_stack+0x1c4/0x2b4 [ 402.097030] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.102240] warn_alloc.cold.119+0xb7/0x1bd [ 402.106568] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.111415] ? lock_downgrade+0x900/0x900 [ 402.115576] ? trace_hardirqs_off+0xb8/0x310 [ 402.119994] ? trace_hardirqs_off+0xb8/0x310 [ 402.124420] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.129298] ? warn_alloc+0x120/0x120 [ 402.133109] ? warn_alloc+0x120/0x120 [ 402.136916] ? print_usage_bug+0xc0/0xc0 [ 402.140981] ? warn_alloc+0x120/0x120 [ 402.144787] ? print_usage_bug+0xc0/0xc0 [ 402.148855] ? __lock_acquire+0x7ec/0x4ec0 [ 402.153091] ? __lock_acquire+0x7ec/0x4ec0 [ 402.157368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.162905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.168443] ? should_fail+0x22d/0xd01 [ 402.172342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.177450] ? __lock_acquire+0x7ec/0x4ec0 [ 402.181704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.186808] ? __lock_acquire+0x7ec/0x4ec0 [ 402.191042] ? should_fail+0x22d/0xd01 [ 402.194949] ? mark_held_locks+0x130/0x130 [ 402.199189] ? mark_held_locks+0x130/0x130 [ 402.203428] ? graph_lock+0x170/0x170 [ 402.207231] ? print_usage_bug+0xc0/0xc0 [ 402.211292] ? graph_lock+0x170/0x170 [ 402.215095] ? print_usage_bug+0xc0/0xc0 [ 402.219155] ? wq_watchdog_touch+0x9c/0xfe [ 402.223393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.228933] ? check_preemption_disabled+0x48/0x200 [ 402.233952] ? check_preemption_disabled+0x48/0x200 [ 402.238983] ? __lock_is_held+0xb5/0x140 [ 402.243053] __alloc_pages_nodemask+0xa80/0xde0 [ 402.247723] ? graph_lock+0x170/0x170 [ 402.251532] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.256547] ? graph_lock+0x170/0x170 [ 402.260375] ? find_held_lock+0x36/0x1c0 [ 402.264461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.269146] ? lock_downgrade+0x900/0x900 [ 402.273320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.278867] cache_grow_begin+0x91/0x8c0 [ 402.282934] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.287352] fallback_alloc+0x203/0x2e0 [ 402.291338] ____cache_alloc_node+0x1c7/0x1e0 [ 402.295843] kmem_cache_alloc_node+0xe3/0x730 [ 402.300340] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.304591] __alloc_skb+0x119/0x770 [ 402.308307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.313591] ? skb_scrub_packet+0x490/0x490 [ 402.317916] ? lock_downgrade+0x900/0x900 [ 402.322074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.327614] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.333074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.338525] ? addrconf_rs_timer+0x690/0x690 [ 402.342951] ndisc_alloc_skb+0x144/0x340 [ 402.347021] ndisc_send_rs+0x331/0x6e0 [ 402.350921] addrconf_rs_timer+0x314/0x690 [ 402.355166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.359421] call_timer_fn+0x272/0x920 [ 402.363310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.368055] ? process_timeout+0x40/0x40 [ 402.372119] ? find_held_lock+0x36/0x1c0 [ 402.376189] ? mark_held_locks+0xc7/0x130 [ 402.380347] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.384845] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.389342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.393581] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.398168] ? trace_hardirqs_on+0xbd/0x310 [ 402.402502] ? kasan_check_read+0x11/0x20 [ 402.406652] ? __run_timers+0x7da/0xc70 [ 402.410633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.416401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.420643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.424883] __run_timers+0x7e5/0xc70 [ 402.428704] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.434072] ? lock_downgrade+0x900/0x900 [ 402.438239] ? print_usage_bug+0xc0/0xc0 [ 402.442306] ? trace_hardirqs_on+0x310/0x310 [ 402.446730] ? kvm_clock_read+0x18/0x30 [ 402.450717] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.455750] ? graph_lock+0x170/0x170 [ 402.459563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.465108] ? check_preemption_disabled+0x48/0x200 [ 402.470141] ? __lock_is_held+0xb5/0x140 [ 402.474207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.479748] ? check_preemption_disabled+0x48/0x200 [ 402.484779] run_timer_softirq+0x52/0xb0 [ 402.488844] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.493864] __do_softirq+0x30b/0xad8 [ 402.497682] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.502787] ? irq_exit+0xbd/0x1c0 [ 402.506331] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 402.511349] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.517237] ? ret_from_intr+0xb/0x1e [ 402.521044] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.526065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.530910] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.535929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.541478] ? check_preemption_disabled+0x48/0x200 [ 402.546511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.552059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.556911] ? neigh_periodic_work+0x6bd/0xc60 [ 402.561505] do_softirq_own_stack+0x2a/0x40 [ 402.565825] [ 402.568066] do_softirq.part.13+0x126/0x160 [ 402.572388] __local_bh_enable_ip+0x21d/0x260 [ 402.576892] _raw_write_unlock_bh+0x30/0x40 [ 402.581216] neigh_periodic_work+0x6bd/0xc60 [ 402.585638] ? neigh_table_clear+0x390/0x390 [ 402.590050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.595589] ? check_preemption_disabled+0x48/0x200 [ 402.600610] ? check_preemption_disabled+0x48/0x200 [ 402.605639] ? __lock_is_held+0xb5/0x140 [ 402.609720] process_one_work+0xc90/0x1b90 [ 402.613961] ? mark_held_locks+0x130/0x130 [ 402.618209] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 402.622878] ? __switch_to_asm+0x40/0x70 [ 402.626939] ? __switch_to_asm+0x40/0x70 [ 402.631002] ? __switch_to_asm+0x34/0x70 [ 402.635063] ? __switch_to_asm+0x40/0x70 [ 402.639124] ? __switch_to_asm+0x34/0x70 [ 402.643188] ? __switch_to_asm+0x40/0x70 [ 402.647247] ? __switch_to_asm+0x34/0x70 [ 402.651307] ? __switch_to_asm+0x40/0x70 [ 402.655376] ? __schedule+0x874/0x1ed0 [ 402.659264] ? __switch_to_asm+0x34/0x70 [ 402.663324] ? __switch_to_asm+0x40/0x70 [ 402.667406] ? kasan_check_read+0x11/0x20 [ 402.671606] ? graph_lock+0x170/0x170 [ 402.675412] ? __sched_text_start+0x8/0x8 [ 402.679572] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.684155] ? retint_kernel+0x2d/0x2d [ 402.688047] ? find_held_lock+0x36/0x1c0 [ 402.692115] ? lock_acquire+0x1ed/0x520 [ 402.696092] ? worker_thread+0x3e0/0x1390 [ 402.700252] ? lock_release+0x970/0x970 [ 402.704233] ? trace_hardirqs_off+0xb8/0x310 [ 402.708820] ? kasan_check_read+0x11/0x20 [ 402.712966] ? worker_thread+0x3e0/0x1390 [ 402.717119] ? trace_hardirqs_on+0x310/0x310 [ 402.721534] ? kasan_check_write+0x14/0x20 [ 402.725771] ? do_raw_spin_lock+0xc1/0x200 [ 402.730011] worker_thread+0x17f/0x1390 [ 402.733988] ? __switch_to_asm+0x34/0x70 [ 402.738066] ? process_one_work+0x1b90/0x1b90 [ 402.742575] ? graph_lock+0x170/0x170 [ 402.746381] ? graph_lock+0x170/0x170 [ 402.750182] ? find_held_lock+0x36/0x1c0 [ 402.754256] ? find_held_lock+0x36/0x1c0 [ 402.758326] ? __kthread_parkme+0xce/0x1a0 [ 402.762570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.767679] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.772785] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.777374] ? trace_hardirqs_on+0xbd/0x310 [ 402.781709] ? kasan_check_read+0x11/0x20 [ 402.785861] ? __kthread_parkme+0xce/0x1a0 [ 402.790097] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.795563] ? kasan_check_write+0x14/0x20 [ 402.799798] ? do_raw_spin_lock+0xc1/0x200 [ 402.804043] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.809149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.814689] ? __kthread_parkme+0xfb/0x1a0 [ 402.818949] kthread+0x35a/0x420 [ 402.822334] ? process_one_work+0x1b90/0x1b90 [ 402.826831] ? kthread_bind+0x40/0x40 [ 402.830637] ret_from_fork+0x3a/0x50 [ 402.834367] warn_alloc_show_mem: 1 callbacks suppressed [ 402.834379] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 402.834381] Mem-Info: [ 402.834412] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 402.834412] active_file:14 inactive_file:13 isolated_file:0 [ 402.834412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.834412] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 402.834412] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 402.834412] free:13770 free_pcp:433 free_cma:0 [ 402.839756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.847117] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.849488] Call Trace: [ 402.849523] [ 402.882568] Node 0 [ 402.891925] dump_stack+0x1c4/0x2b4 [ 402.919527] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 402.922087] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.924210] lowmem_reserve[]: [ 402.926454] warn_alloc.cold.119+0xb7/0x1bd [ 402.930049] 0 [ 402.955559] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.960728] 2819 [ 402.963835] ? lock_downgrade+0x900/0x900 [ 402.968127] 6323 6323 [ 402.969936] ? trace_hardirqs_off+0xb8/0x310 [ 402.976809] ? trace_hardirqs_off+0xb8/0x310 [ 402.980934] Node 0 [ 402.983431] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.987833] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 402.992237] ? warn_alloc+0x120/0x120 [ 402.994427] lowmem_reserve[]: [ 402.999264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.026210] 0 0 [ 403.030024] ? warn_alloc+0x120/0x120 [ 403.033100] 3503 3503 [ 403.038121] ? print_usage_bug+0xc0/0xc0 [ 403.043882] ? warn_alloc+0x120/0x120 [ 403.046356] Node 0 [ 403.050413] ? print_usage_bug+0xc0/0xc0 [ 403.054216] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 403.056426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.060454] lowmem_reserve[]: 0 [ 403.089022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.094175] 0 0 [ 403.097472] ? should_fail+0x22d/0xd01 [ 403.102982] 0 [ 403.104981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.108835] Node 0 [ 403.110639] ? __lock_acquire+0x7ec/0x4ec0 [ 403.115719] DMA: [ 403.117952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.122163] 1*4kB [ 403.124221] ? should_fail+0x22d/0xd01 [ 403.129297] (U) [ 403.131452] ? mark_held_locks+0x130/0x130 [ 403.135301] 0*8kB 0*16kB [ 403.137279] ? mark_held_locks+0x130/0x130 [ 403.141493] 1*32kB [ 403.144243] ? print_usage_bug+0xc0/0xc0 [ 403.148457] (U) [ 403.150698] ? find_held_lock+0x36/0x1c0 [ 403.154729] 2*64kB (U) [ 403.156710] ? graph_lock+0x170/0x170 [ 403.160744] 1*128kB (U) [ 403.163333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.167107] 1*256kB (U) [ 403.169786] ? check_preemption_disabled+0x48/0x200 [ 403.175293] 0*512kB 1*1024kB [ 403.177970] ? check_preemption_disabled+0x48/0x200 [ 403.182972] (U) [ 403.186086] ? __lock_is_held+0xb5/0x140 [ 403.191069] 1*2048kB (M) [ 403.193056] __alloc_pages_nodemask+0xa80/0xde0 [ 403.197080] 3*4096kB (M) [ 403.199841] ? graph_lock+0x170/0x170 [ 403.204492] = 15908kB [ 403.204501] Node 0 [ 403.207256] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.211032] DMA32: [ 403.213435] ? graph_lock+0x170/0x170 [ 403.215652] 5*4kB [ 403.220668] ? find_held_lock+0x36/0x1c0 [ 403.222876] (UMH) [ 403.226678] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.228796] 2*8kB (MH) [ 403.232857] ? lock_downgrade+0x900/0x900 [ 403.234983] 3*16kB [ 403.239654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.242211] (MH) [ 403.246354] cache_grow_begin+0x91/0x8c0 [ 403.248564] 3*32kB (MH) [ 403.254106] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.256144] 5*64kB (MH) [ 403.260209] fallback_alloc+0x203/0x2e0 [ 403.262854] 3*128kB [ 403.267257] ____cache_alloc_node+0x1c7/0x1e0 [ 403.269895] (M) 5*256kB [ 403.273880] kmem_cache_alloc_node+0xe3/0x730 [ 403.276175] (UMH) 5*512kB [ 403.280672] ? mark_held_locks+0xc7/0x130 [ 403.283311] (UMH) 4*1024kB [ 403.287816] __alloc_skb+0x119/0x770 [ 403.290631] (UMH) [ 403.294776] ? skb_scrub_packet+0x490/0x490 [ 403.297681] 2*2048kB (M) [ 403.301403] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 403.303526] 3*4096kB (M) [ 403.307850] ? queue_work_on+0x12c/0x1e0 [ 403.310586] = 25204kB [ 403.315168] ? switchdev_port_obj_del+0xdc/0x450 [ 403.317902] Node 0 [ 403.321958] ? switchdev_trans_item_enqueue+0x260/0x260 [ 403.324336] Normal: 990*4kB [ 403.329095] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.331309] (UMEH) [ 403.336678] __br_mdb_notify+0x4ff/0x15d0 [ 403.339667] 505*8kB [ 403.344685] ? __br_mdb_add+0x7f0/0x7f0 [ 403.346888] (MEH) [ 403.351032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.353325] 189*16kB (MEH) [ 403.357306] ? check_preemption_disabled+0x48/0x200 [ 403.359427] 66*32kB (UMH) [ 403.364968] ? graph_lock+0x170/0x170 [ 403.367871] 0*64kB [ 403.372888] ? br_multicast_group_expired+0x96/0x610 [ 403.375706] 1*128kB [ 403.379502] ? lock_downgrade+0x900/0x900 [ 403.379524] br_mdb_notify+0x310/0x410 [ 403.381734] (H) [ 403.386838] ? br_mdb_dump+0x27b0/0x27b0 [ 403.389137] 1*256kB [ 403.393281] ? kasan_check_write+0x14/0x20 [ 403.397140] (H) [ 403.399114] ? do_raw_spin_lock+0xc1/0x200 [ 403.403144] 1*512kB (H) [ 403.405527] br_multicast_group_expired+0x1bc/0x610 [ 403.409733] 0*1024kB [ 403.411704] ? br_mdb_free+0x80/0x80 [ 403.415911] 0*2048kB 0*4096kB [ 403.418596] call_timer_fn+0x272/0x920 [ 403.423578] = 14032kB [ 403.425981] ? br_mdb_free+0x80/0x80 [ 403.429676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.432855] ? process_timeout+0x40/0x40 [ 403.436727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.439122] ? find_held_lock+0x36/0x1c0 [ 403.439148] ? __run_timers+0x7da/0xc70 [ 403.442832] 5170 total pagecache pages [ 403.451664] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.455704] 0 pages in swap cache [ 403.464266] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.468300] Swap cache stats: add 0, delete 0, find 0/0 [ 403.468308] Free swap = 0kB [ 403.472277] ? br_mdb_free+0x80/0x80 [ 403.476143] Total swap = 0kB [ 403.480633] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 403.484062] 1965979 pages RAM [ 403.488554] ? trace_hardirqs_on+0xbd/0x310 [ 403.493889] 0 pages HighMem/MovableOnly [ 403.493898] 342306 pages reserved [ 403.497407] ? kasan_check_read+0x11/0x20 [ 403.497425] ? __run_timers+0x7da/0xc70 [ 403.501120] 0 pages cma reserved [ 403.504134] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.508759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.511789] ? br_mdb_free+0x80/0x80 [ 403.511810] ? br_mdb_free+0x80/0x80 [ 403.511827] __run_timers+0x7e5/0xc70 [ 403.516209] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.520107] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.523528] kworker/0:2 cpuset= [ 403.527675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.531626] / [ 403.534991] ? graph_lock+0x170/0x170 [ 403.540414] mems_allowed=0 [ 403.546897] ? enqueue_hrtimer+0x1a5/0x560 [ 403.594642] ? lock_release+0x970/0x970 [ 403.598624] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.603827] ? find_held_lock+0x36/0x1c0 [ 403.607896] ? graph_lock+0x170/0x170 [ 403.611703] ? pvclock_read_flags+0x160/0x160 [ 403.616208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.621749] ? check_preemption_disabled+0x48/0x200 [ 403.626778] ? __lock_is_held+0xb5/0x140 [ 403.630847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.636386] ? check_preemption_disabled+0x48/0x200 [ 403.641412] run_timer_softirq+0x52/0xb0 [ 403.645481] ? rcu_read_lock_sched_held+0x108/0x120 [ 403.650501] __do_softirq+0x30b/0xad8 [ 403.654327] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 403.659443] ? pvclock_read_flags+0x160/0x160 [ 403.663951] ? lapic_next_event+0x5a/0x90 [ 403.668101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.673644] ? check_preemption_disabled+0x48/0x200 [ 403.678664] ? check_preemption_disabled+0x48/0x200 [ 403.683688] ? kvm_clock_read+0x18/0x30 [ 403.687667] ? kvm_sched_clock_read+0x9/0x20 [ 403.692079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.697623] ? check_preemption_disabled+0x48/0x200 [ 403.702655] irq_exit+0x17f/0x1c0 [ 403.706113] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.710960] ? smp_reschedule_interrupt+0x109/0x650 [ 403.715982] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.721877] ? interrupt_entry+0xb5/0xf0 [ 403.725943] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.730962] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.735990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.740836] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.745851] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.750870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.756411] ? check_preemption_disabled+0x48/0x200 [ 403.761430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.766994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.771851] apic_timer_interrupt+0xf/0x20 [ 403.776083] [ 403.778324] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.783259] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 403.802165] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.809875] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.817143] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 403.824415] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 403.831697] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.838977] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 403.846300] skb_clone+0x1bb/0x500 [ 403.849844] ? finish_task_switch+0x2f5/0x900 [ 403.854346] ? skb_split+0x11e0/0x11e0 [ 403.858242] ? preempt_notifier_register+0x200/0x200 [ 403.863347] ? __switch_to_asm+0x34/0x70 [ 403.867408] ? __switch_to_asm+0x34/0x70 [ 403.871477] ? __switch_to_asm+0x40/0x70 [ 403.875549] ? __switch_to_asm+0x34/0x70 [ 403.879614] ? __switch_to_asm+0x40/0x70 [ 403.883675] ? __switch_to_asm+0x34/0x70 [ 403.887738] ? __switch_to_asm+0x40/0x70 [ 403.891801] ? __switch_to_asm+0x34/0x70 [ 403.895870] ? __switch_to_asm+0x34/0x70 [ 403.899933] ? __switch_to_asm+0x40/0x70 [ 403.904002] ? __switch_to_asm+0x34/0x70 [ 403.908074] bpf_clone_redirect+0xb9/0x490 [ 403.912314] ? __schedule+0x874/0x1ed0 [ 403.916211] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 403.921235] ? __sched_text_start+0x8/0x8 [ 403.925400] ? find_held_lock+0x36/0x1c0 [ 403.929483] ? lock_acquire+0x1ed/0x520 [ 403.933462] ? bpf_test_run+0x3cb/0x780 [ 403.937450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.943020] ? check_preemption_disabled+0x48/0x200 [ 403.948048] ? kasan_check_read+0x11/0x20 [ 403.952220] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.957500] ? rcu_bh_qs+0xc0/0xc0 [ 403.961049] ? preempt_schedule+0x4d/0x60 [ 403.965199] ? ___preempt_schedule+0x16/0x18 [ 403.969620] ? bpf_test_run+0x25d/0x780 [ 403.973612] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.978027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.983596] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 403.988368] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.993216] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.998757] ? fput+0x130/0x1a0 [ 404.002054] ? __bpf_prog_get+0x9b/0x290 [ 404.006136] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 404.010979] ? bpf_prog_test_run+0x130/0x1a0 [ 404.015408] ? __x64_sys_bpf+0x3d8/0x520 [ 404.019481] ? bpf_prog_get+0x20/0x20 [ 404.023321] ? do_syscall_64+0x1b9/0x820 [ 404.027392] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.032765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.037702] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.042726] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.047746] ? recalc_sigpending_tsk+0x180/0x180 [ 404.052526] ? kasan_check_write+0x14/0x20 [ 404.056773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.061635] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.067031] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 404.067231] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.074152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.084632] syz-executor2 cpuset=syz2 [ 404.093998] Workqueue: events_power_efficient neigh_periodic_work [ 404.097799] mems_allowed=0 [ 404.104012] Call Trace: [ 404.109519] [ 404.111684] dump_stack+0x1c4/0x2b4 [ 404.115322] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.120533] warn_alloc.cold.119+0xb7/0x1bd [ 404.124858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.129706] ? lock_downgrade+0x900/0x900 [ 404.133864] ? trace_hardirqs_off+0xb8/0x310 [ 404.138295] ? trace_hardirqs_off+0xb8/0x310 [ 404.142719] __alloc_pages_slowpath+0x2667/0x2d80 [ 404.147595] ? warn_alloc+0x120/0x120 [ 404.151403] ? warn_alloc+0x120/0x120 [ 404.155207] ? print_usage_bug+0xc0/0xc0 [ 404.159273] ? warn_alloc+0x120/0x120 [ 404.163074] ? graph_lock+0x170/0x170 [ 404.166877] ? print_usage_bug+0xc0/0xc0 [ 404.170940] ? print_usage_bug+0xc0/0xc0 [ 404.175009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.180551] ? should_fail+0x22d/0xd01 [ 404.184436] ? mark_held_locks+0x130/0x130 [ 404.188685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.193790] ? __lock_acquire+0x7ec/0x4ec0 [ 404.198031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.203151] ? __lock_acquire+0x7ec/0x4ec0 [ 404.207385] ? should_fail+0x22d/0xd01 [ 404.211279] ? print_usage_bug+0xc0/0xc0 [ 404.215353] ? print_usage_bug+0xc0/0xc0 [ 404.219435] ? mark_held_locks+0x130/0x130 [ 404.223689] ? mark_held_locks+0x130/0x130 [ 404.227928] ? update_stack_state+0x1a5/0x690 [ 404.232442] ? graph_lock+0x170/0x170 [ 404.236254] ? ret_from_fork+0x3a/0x50 [ 404.240149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.245695] ? check_preemption_disabled+0x48/0x200 [ 404.250715] ? check_preemption_disabled+0x48/0x200 [ 404.255781] ? __lock_is_held+0xb5/0x140 [ 404.259858] __alloc_pages_nodemask+0xa80/0xde0 [ 404.264535] ? graph_lock+0x170/0x170 [ 404.268348] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 404.273366] ? graph_lock+0x170/0x170 [ 404.277181] ? find_held_lock+0x36/0x1c0 [ 404.281256] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.285930] ? lock_downgrade+0x900/0x900 [ 404.290089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.295638] cache_grow_begin+0x91/0x8c0 [ 404.299704] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.304121] fallback_alloc+0x203/0x2e0 [ 404.308104] ____cache_alloc_node+0x1c7/0x1e0 [ 404.312609] kmem_cache_alloc_node+0xe3/0x730 [ 404.317106] ? mark_held_locks+0xc7/0x130 [ 404.321268] __alloc_skb+0x119/0x770 [ 404.324992] ? skb_scrub_packet+0x490/0x490 [ 404.329316] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 404.333906] ? queue_work_on+0x12c/0x1e0 [ 404.337978] ? switchdev_port_obj_del+0xdc/0x450 [ 404.342753] ? switchdev_trans_item_enqueue+0x260/0x260 [ 404.348132] ? mod_timer+0x647/0x1440 [ 404.351961] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.356986] __br_mdb_notify+0x4ff/0x15d0 [ 404.361147] ? __br_mdb_add+0x7f0/0x7f0 [ 404.365521] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.370988] ? graph_lock+0x170/0x170 [ 404.374805] ? br_multicast_group_expired+0x96/0x610 [ 404.379921] br_mdb_notify+0x310/0x410 [ 404.383818] ? br_mdb_dump+0x27b0/0x27b0 [ 404.387886] ? kasan_check_write+0x14/0x20 [ 404.392137] ? do_raw_spin_lock+0xc1/0x200 [ 404.396396] br_multicast_group_expired+0x1bc/0x610 [ 404.401498] ? br_mdb_free+0x80/0x80 [ 404.405230] call_timer_fn+0x272/0x920 [ 404.409121] ? br_mdb_free+0x80/0x80 [ 404.412840] ? process_timeout+0x40/0x40 [ 404.416904] ? find_held_lock+0x36/0x1c0 [ 404.420974] ? mark_held_locks+0xc7/0x130 [ 404.425130] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.429628] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.434133] ? br_mdb_free+0x80/0x80 [ 404.437858] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 404.442448] ? trace_hardirqs_on+0xbd/0x310 [ 404.446781] ? kasan_check_read+0x11/0x20 [ 404.450934] ? __run_timers+0x7da/0xc70 [ 404.454913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.460387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.464632] ? br_mdb_free+0x80/0x80 [ 404.468350] __run_timers+0x7e5/0xc70 [ 404.472188] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.477555] ? lock_downgrade+0x900/0x900 [ 404.481720] ? print_usage_bug+0xc0/0xc0 [ 404.485788] ? trace_hardirqs_on+0x310/0x310 [ 404.490210] ? kvm_clock_read+0x18/0x30 [ 404.494272] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.499294] ? graph_lock+0x170/0x170 [ 404.503101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.508643] ? check_preemption_disabled+0x48/0x200 [ 404.513677] ? __lock_is_held+0xb5/0x140 [ 404.517743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.523287] ? check_preemption_disabled+0x48/0x200 [ 404.528315] run_timer_softirq+0x52/0xb0 [ 404.532383] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.537403] __do_softirq+0x30b/0xad8 [ 404.541216] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.546325] ? irq_exit+0xbd/0x1c0 [ 404.549866] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 404.554885] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.560775] ? ret_from_intr+0xb/0x1e [ 404.564577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.569596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.574460] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.579501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.585044] ? check_preemption_disabled+0x48/0x200 [ 404.590063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.595615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.600496] ? neigh_periodic_work+0x6bd/0xc60 [ 404.605084] do_softirq_own_stack+0x2a/0x40 [ 404.609401] [ 404.611642] do_softirq.part.13+0x126/0x160 [ 404.615970] __local_bh_enable_ip+0x21d/0x260 [ 404.620478] _raw_write_unlock_bh+0x30/0x40 [ 404.624813] neigh_periodic_work+0x6bd/0xc60 [ 404.629237] ? neigh_table_clear+0x390/0x390 [ 404.633652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.639191] ? check_preemption_disabled+0x48/0x200 [ 404.644211] ? check_preemption_disabled+0x48/0x200 [ 404.649240] ? __lock_is_held+0xb5/0x140 [ 404.653323] process_one_work+0xc90/0x1b90 [ 404.657558] ? mark_held_locks+0x130/0x130 [ 404.661812] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 404.666498] ? __switch_to_asm+0x40/0x70 [ 404.670563] ? __switch_to_asm+0x40/0x70 [ 404.674627] ? __switch_to_asm+0x34/0x70 [ 404.678692] ? __switch_to_asm+0x40/0x70 [ 404.682757] ? __switch_to_asm+0x34/0x70 [ 404.686819] ? __switch_to_asm+0x40/0x70 [ 404.690882] ? __switch_to_asm+0x34/0x70 [ 404.694942] ? __switch_to_asm+0x40/0x70 [ 404.699011] ? __schedule+0x874/0x1ed0 [ 404.702899] ? __switch_to_asm+0x34/0x70 [ 404.706958] ? __switch_to_asm+0x40/0x70 [ 404.711034] ? kasan_check_read+0x11/0x20 [ 404.715190] ? graph_lock+0x170/0x170 [ 404.718998] ? __sched_text_start+0x8/0x8 [ 404.723155] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.727746] ? retint_kernel+0x2d/0x2d [ 404.731641] ? find_held_lock+0x36/0x1c0 [ 404.735709] ? lock_acquire+0x1ed/0x520 [ 404.739687] ? worker_thread+0x3e0/0x1390 [ 404.743849] ? lock_release+0x970/0x970 [ 404.747824] ? trace_hardirqs_off+0xb8/0x310 [ 404.752236] ? kasan_check_read+0x11/0x20 [ 404.756396] ? worker_thread+0x3e0/0x1390 [ 404.760548] ? trace_hardirqs_on+0x310/0x310 [ 404.764982] ? kasan_check_write+0x14/0x20 [ 404.769259] ? do_raw_spin_lock+0xc1/0x200 [ 404.773527] worker_thread+0x17f/0x1390 [ 404.777513] ? __switch_to_asm+0x34/0x70 [ 404.781597] ? process_one_work+0x1b90/0x1b90 [ 404.786102] ? graph_lock+0x170/0x170 [ 404.789907] ? graph_lock+0x170/0x170 [ 404.793707] ? find_held_lock+0x36/0x1c0 [ 404.797786] ? find_held_lock+0x36/0x1c0 [ 404.801859] ? __kthread_parkme+0xce/0x1a0 [ 404.806100] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.811208] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.816316] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.820915] ? trace_hardirqs_on+0xbd/0x310 [ 404.825249] ? kasan_check_read+0x11/0x20 [ 404.829396] ? __kthread_parkme+0xce/0x1a0 [ 404.833637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.839107] ? kasan_check_write+0x14/0x20 [ 404.843376] ? do_raw_spin_lock+0xc1/0x200 [ 404.847621] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.852725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.858260] ? __kthread_parkme+0xfb/0x1a0 [ 404.862513] kthread+0x35a/0x420 [ 404.865887] ? process_one_work+0x1b90/0x1b90 [ 404.870380] ? kthread_bind+0x40/0x40 [ 404.874187] ret_from_fork+0x3a/0x50 [ 404.877922] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 404.877940] warn_alloc_show_mem: 1 callbacks suppressed [ 404.877944] Mem-Info: [ 404.885295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.890668] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 404.890668] active_file:14 inactive_file:13 isolated_file:0 [ 404.890668] unevictable:0 dirty:0 writeback:0 unstable:0 [ 404.890668] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 404.890668] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 404.890668] free:13770 free_pcp:433 free_cma:0 [ 404.893040] Call Trace: [ 404.902429] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 404.935494] [ 404.935515] dump_stack+0x1c4/0x2b4 [ 404.938088] Node 0 [ 404.965669] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.967818] 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 [ 404.971429] warn_alloc.cold.119+0xb7/0x1bd [ 404.973631] lowmem_reserve[]: [ 404.978817] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.004324] 0 2819 [ 405.008674] ? lock_downgrade+0x900/0x900 [ 405.011753] 6323 6323 [ 405.016602] ? trace_hardirqs_off+0xb8/0x310 [ 405.018816] Node 0 [ 405.022964] ? trace_hardirqs_off+0xb8/0x310 [ 405.025471] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.029855] __alloc_pages_slowpath+0x2667/0x2d80 [ 405.032061] lowmem_reserve[]: [ 405.036497] ? warn_alloc+0x120/0x120 [ 405.063441] 0 [ 405.068288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.071401] 0 [ 405.075194] ? warn_alloc+0x120/0x120 [ 405.076970] 3503 3503 [ 405.081997] ? print_usage_bug+0xc0/0xc0 [ 405.083773] Node 0 [ 405.087568] ? warn_alloc+0x120/0x120 [ 405.090071] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 405.094107] ? print_usage_bug+0xc0/0xc0 [ 405.096327] lowmem_reserve[]: 0 [ 405.100132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.128643] 0 0 [ 405.132716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.135968] 0 [ 405.141164] ? should_fail+0x22d/0xd01 [ 405.143119] Node 0 [ 405.148649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.150425] DMA: 1*4kB [ 405.154314] ? __lock_acquire+0x7ec/0x4ec0 [ 405.156529] (U) [ 405.161630] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.164192] 0*8kB [ 405.168426] ? should_fail+0x22d/0xd01 [ 405.170379] 0*16kB [ 405.175488] ? mark_held_locks+0x130/0x130 [ 405.177613] 1*32kB [ 405.181498] ? mark_held_locks+0x130/0x130 [ 405.183723] (U) [ 405.187951] ? print_usage_bug+0xc0/0xc0 [ 405.190160] 2*64kB (U) [ 405.194403] ? find_held_lock+0x36/0x1c0 [ 405.196357] 1*128kB [ 405.200409] ? graph_lock+0x170/0x170 [ 405.202963] (U) 1*256kB [ 405.207036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.209332] (U) 0*512kB [ 405.213141] ? check_preemption_disabled+0x48/0x200 [ 405.215785] 1*1024kB [ 405.221331] ? check_preemption_disabled+0x48/0x200 [ 405.223979] (U) [ 405.229018] ? __lock_is_held+0xb5/0x140 [ 405.231391] 1*2048kB [ 405.236416] __alloc_pages_nodemask+0xa80/0xde0 [ 405.238356] (M) [ 405.242412] ? graph_lock+0x170/0x170 [ 405.244795] 3*4096kB (M) [ 405.249477] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.251432] = 15908kB [ 405.255225] ? graph_lock+0x170/0x170 [ 405.257958] Node 0 [ 405.262976] ? find_held_lock+0x36/0x1c0 [ 405.265350] DMA32: 5*4kB [ 405.269164] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.271368] (UMH) [ 405.275422] ? lock_downgrade+0x900/0x900 [ 405.278151] 2*8kB (MH) [ 405.282831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.284952] 3*16kB (MH) [ 405.289109] cache_grow_begin+0x91/0x8c0 [ 405.291671] 3*32kB (MH) [ 405.297236] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.299877] 5*64kB (MH) [ 405.303949] fallback_alloc+0x203/0x2e0 [ 405.306587] 3*128kB (M) [ 405.311005] ____cache_alloc_node+0x1c7/0x1e0 [ 405.313648] 5*256kB [ 405.317618] kmem_cache_alloc_node+0xe3/0x730 [ 405.320262] (UMH) [ 405.324756] ? mark_held_locks+0xc7/0x130 [ 405.327050] 5*512kB (UMH) [ 405.331553] __alloc_skb+0x119/0x770 [ 405.333672] 4*1024kB (UMH) [ 405.337825] ? skb_scrub_packet+0x490/0x490 [ 405.340644] 2*2048kB [ 405.344361] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 405.347265] (M) [ 405.351583] ? queue_work_on+0x12c/0x1e0 [ 405.353967] 3*4096kB [ 405.358573] ? switchdev_port_obj_del+0xdc/0x450 [ 405.360524] (M) [ 405.364581] ? switchdev_trans_item_enqueue+0x260/0x260 [ 405.366967] = 25204kB [ 405.371719] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.373669] Node 0 [ 405.379033] __br_mdb_notify+0x4ff/0x15d0 [ 405.381414] Normal: [ 405.386441] ? __br_mdb_add+0x7f0/0x7f0 [ 405.388647] 990*4kB [ 405.392791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.395089] (UMEH) [ 405.399064] ? check_preemption_disabled+0x48/0x200 [ 405.401363] 505*8kB [ 405.406914] ? graph_lock+0x170/0x170 [ 405.409125] (MEH) [ 405.414142] ? br_multicast_group_expired+0x96/0x610 [ 405.416431] 189*16kB (MEH) [ 405.420240] ? lock_downgrade+0x900/0x900 [ 405.422360] 66*32kB (UMH) [ 405.427481] br_mdb_notify+0x310/0x410 [ 405.430382] 0*64kB 1*128kB [ 405.434546] ? br_mdb_dump+0x27b0/0x27b0 [ 405.437365] (H) [ 405.441249] ? kasan_check_write+0x14/0x20 [ 405.444153] 1*256kB [ 405.448206] ? do_raw_spin_lock+0xc1/0x200 [ 405.450157] (H) [ 405.454391] br_multicast_group_expired+0x1bc/0x610 [ 405.456688] 1*512kB (H) [ 405.460927] ? br_mdb_free+0x80/0x80 [ 405.462877] 0*1024kB 0*2048kB [ 405.467905] call_timer_fn+0x272/0x920 [ 405.470538] 0*4096kB = 14032kB [ 405.474252] ? br_mdb_free+0x80/0x80 [ 405.477430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.481305] ? process_timeout+0x40/0x40 [ 405.484507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.488219] ? find_held_lock+0x36/0x1c0 [ 405.488243] ? __run_timers+0x7da/0xc70 [ 405.497225] 5170 total pagecache pages [ 405.497244] 0 pages in swap cache [ 405.501297] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.509850] Swap cache stats: add 0, delete 0, find 0/0 [ 405.509858] Free swap = 0kB [ 405.513918] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.517884] Total swap = 0kB [ 405.521766] ? br_mdb_free+0x80/0x80 [ 405.525199] 1965979 pages RAM [ 405.529687] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.535018] 0 pages HighMem/MovableOnly [ 405.535027] 342306 pages reserved [ 405.538040] ? trace_hardirqs_on+0xbd/0x310 [ 405.542511] 0 pages cma reserved [ 405.545526] ? kasan_check_read+0x11/0x20 [ 405.549363] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.552313] ? __run_timers+0x7da/0xc70 [ 405.556868] kworker/0:2 cpuset= [ 405.560836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.564295] / [ 405.568626] ? br_mdb_free+0x80/0x80 [ 405.571972] mems_allowed=0 [ 405.576120] ? br_mdb_free+0x80/0x80 [ 405.611106] __run_timers+0x7e5/0xc70 [ 405.614938] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.620325] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.625347] ? graph_lock+0x170/0x170 [ 405.629163] ? enqueue_hrtimer+0x1a5/0x560 [ 405.633399] ? lock_release+0x970/0x970 [ 405.637378] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.642578] ? find_held_lock+0x36/0x1c0 [ 405.646648] ? graph_lock+0x170/0x170 [ 405.650450] ? pvclock_read_flags+0x160/0x160 [ 405.654957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.660504] ? check_preemption_disabled+0x48/0x200 [ 405.665533] ? __lock_is_held+0xb5/0x140 [ 405.669597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.675138] ? check_preemption_disabled+0x48/0x200 [ 405.680168] run_timer_softirq+0x52/0xb0 [ 405.684228] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.689247] __do_softirq+0x30b/0xad8 [ 405.693060] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.698168] ? pvclock_read_flags+0x160/0x160 [ 405.702838] ? lapic_next_event+0x5a/0x90 [ 405.706995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.712534] ? check_preemption_disabled+0x48/0x200 [ 405.717550] ? check_preemption_disabled+0x48/0x200 [ 405.722576] ? kvm_clock_read+0x18/0x30 [ 405.726553] ? kvm_sched_clock_read+0x9/0x20 [ 405.730969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.736513] ? check_preemption_disabled+0x48/0x200 [ 405.741543] irq_exit+0x17f/0x1c0 [ 405.745007] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.749856] ? smp_reschedule_interrupt+0x109/0x650 [ 405.754874] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.760764] ? interrupt_entry+0xb5/0xf0 [ 405.764830] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.769847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.774868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.779718] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.784735] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.789757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.795297] ? check_preemption_disabled+0x48/0x200 [ 405.800318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.805868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.810721] apic_timer_interrupt+0xf/0x20 [ 405.814963] [ 405.817211] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 405.822143] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 405.841049] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 405.848760] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.856030] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 405.863296] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 405.870567] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 405.877850] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 405.885193] skb_clone+0x1bb/0x500 [ 405.888738] ? finish_task_switch+0x2f5/0x900 [ 405.893242] ? skb_split+0x11e0/0x11e0 [ 405.897148] ? preempt_notifier_register+0x200/0x200 [ 405.902256] ? __switch_to_asm+0x34/0x70 [ 405.906319] ? __switch_to_asm+0x34/0x70 [ 405.910381] ? __switch_to_asm+0x40/0x70 [ 405.914440] ? __switch_to_asm+0x34/0x70 [ 405.918509] ? __switch_to_asm+0x40/0x70 [ 405.922576] ? __switch_to_asm+0x34/0x70 [ 405.926640] ? __switch_to_asm+0x40/0x70 [ 405.930707] ? __switch_to_asm+0x34/0x70 [ 405.934772] ? __switch_to_asm+0x34/0x70 [ 405.938837] ? __switch_to_asm+0x40/0x70 [ 405.942902] ? __switch_to_asm+0x34/0x70 [ 405.946973] bpf_clone_redirect+0xb9/0x490 [ 405.951225] ? __schedule+0x874/0x1ed0 [ 405.955127] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 405.960149] ? __sched_text_start+0x8/0x8 [ 405.964347] ? find_held_lock+0x36/0x1c0 [ 405.968421] ? lock_acquire+0x1ed/0x520 [ 405.972401] ? bpf_test_run+0x3cb/0x780 [ 405.976378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.981935] ? check_preemption_disabled+0x48/0x200 [ 405.986964] ? kasan_check_read+0x11/0x20 [ 405.991121] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.996403] ? rcu_bh_qs+0xc0/0xc0 [ 405.999950] ? preempt_schedule+0x4d/0x60 [ 406.004100] ? ___preempt_schedule+0x16/0x18 [ 406.008520] ? bpf_test_run+0x25d/0x780 [ 406.012524] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.016937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.022493] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 406.027261] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.032106] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.037655] ? fput+0x130/0x1a0 [ 406.040950] ? __bpf_prog_get+0x9b/0x290 [ 406.045020] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.049864] ? bpf_prog_test_run+0x130/0x1a0 [ 406.054277] ? __x64_sys_bpf+0x3d8/0x520 [ 406.058340] ? bpf_prog_get+0x20/0x20 [ 406.062162] ? do_syscall_64+0x1b9/0x820 [ 406.066225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.071593] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.076525] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.081547] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.086565] ? recalc_sigpending_tsk+0x180/0x180 [ 406.091324] ? kasan_check_write+0x14/0x20 [ 406.095582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.100441] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.105837] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 406.106014] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.112951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.123420] syz-executor2 cpuset=syz2 [ 406.132776] Workqueue: events_power_efficient neigh_periodic_work [ 406.136573] mems_allowed=0 [ 406.142802] Call Trace: [ 406.148285] [ 406.150448] dump_stack+0x1c4/0x2b4 [ 406.154094] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.159300] warn_alloc.cold.119+0xb7/0x1bd [ 406.163628] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.168484] ? lock_downgrade+0x900/0x900 [ 406.172655] ? trace_hardirqs_off+0xb8/0x310 [ 406.177071] ? trace_hardirqs_off+0xb8/0x310 [ 406.181504] __alloc_pages_slowpath+0x2667/0x2d80 [ 406.186381] ? warn_alloc+0x120/0x120 [ 406.190187] ? warn_alloc+0x120/0x120 [ 406.194015] ? print_usage_bug+0xc0/0xc0 [ 406.198085] ? warn_alloc+0x120/0x120 [ 406.201889] ? print_usage_bug+0xc0/0xc0 [ 406.205953] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.211157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.216694] ? should_fail+0x22d/0xd01 [ 406.220588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.225695] ? __lock_acquire+0x7ec/0x4ec0 [ 406.229942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.235046] ? __lock_acquire+0x7ec/0x4ec0 [ 406.239282] ? should_fail+0x22d/0xd01 [ 406.243186] ? mark_held_locks+0x130/0x130 [ 406.247426] ? mark_held_locks+0x130/0x130 [ 406.251677] ? update_stack_state+0x1a5/0x690 [ 406.256181] ? graph_lock+0x170/0x170 [ 406.259996] ? ret_from_fork+0x3a/0x50 [ 406.263893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.269441] ? check_preemption_disabled+0x48/0x200 [ 406.274476] ? check_preemption_disabled+0x48/0x200 [ 406.279528] ? __lock_is_held+0xb5/0x140 [ 406.283603] __alloc_pages_nodemask+0xa80/0xde0 [ 406.288276] ? graph_lock+0x170/0x170 [ 406.292085] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.297099] ? graph_lock+0x170/0x170 [ 406.300932] ? find_held_lock+0x36/0x1c0 [ 406.305006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.309679] ? lock_downgrade+0x900/0x900 [ 406.313848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.319395] cache_grow_begin+0x91/0x8c0 [ 406.323461] ? do_raw_spin_unlock+0xa7/0x2f0 [ 406.327895] fallback_alloc+0x203/0x2e0 [ 406.331877] ____cache_alloc_node+0x1c7/0x1e0 [ 406.336380] kmem_cache_alloc_node+0xe3/0x730 [ 406.340876] ? mark_held_locks+0xc7/0x130 [ 406.345036] __alloc_skb+0x119/0x770 [ 406.348761] ? skb_scrub_packet+0x490/0x490 [ 406.353084] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 406.357675] ? queue_work_on+0x12c/0x1e0 [ 406.361745] ? switchdev_port_obj_del+0xdc/0x450 [ 406.367009] ? switchdev_trans_item_enqueue+0x260/0x260 [ 406.372379] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.377408] __br_mdb_notify+0x4ff/0x15d0 [ 406.381589] ? __br_mdb_add+0x7f0/0x7f0 [ 406.385566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.391131] ? graph_lock+0x170/0x170 [ 406.394957] ? br_multicast_group_expired+0x96/0x610 [ 406.400061] ? lock_downgrade+0x900/0x900 [ 406.404218] br_mdb_notify+0x310/0x410 [ 406.408109] ? br_mdb_dump+0x27b0/0x27b0 [ 406.412180] ? kasan_check_write+0x14/0x20 [ 406.416418] ? do_raw_spin_lock+0xc1/0x200 [ 406.420668] br_multicast_group_expired+0x1bc/0x610 [ 406.425697] ? br_mdb_free+0x80/0x80 [ 406.429426] call_timer_fn+0x272/0x920 [ 406.433318] ? br_mdb_free+0x80/0x80 [ 406.437033] ? process_timeout+0x40/0x40 [ 406.441095] ? find_held_lock+0x36/0x1c0 [ 406.445166] ? mark_held_locks+0xc7/0x130 [ 406.449335] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.453839] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.458337] ? br_mdb_free+0x80/0x80 [ 406.462054] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 406.466640] ? trace_hardirqs_on+0xbd/0x310 [ 406.470965] ? kasan_check_read+0x11/0x20 [ 406.475119] ? __run_timers+0x7da/0xc70 [ 406.479096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.484558] ? br_mdb_free+0x80/0x80 [ 406.488277] ? br_mdb_free+0x80/0x80 [ 406.491994] __run_timers+0x7e5/0xc70 [ 406.495814] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 406.501182] ? lock_downgrade+0x900/0x900 [ 406.505344] ? print_usage_bug+0xc0/0xc0 [ 406.509409] ? trace_hardirqs_on+0x310/0x310 [ 406.513830] ? kvm_clock_read+0x18/0x30 [ 406.517807] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.522832] ? graph_lock+0x170/0x170 [ 406.526638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.532181] ? check_preemption_disabled+0x48/0x200 [ 406.537210] ? __lock_is_held+0xb5/0x140 [ 406.541275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.546819] ? check_preemption_disabled+0x48/0x200 [ 406.551846] run_timer_softirq+0x52/0xb0 [ 406.555911] ? rcu_read_lock_sched_held+0x108/0x120 [ 406.560929] __do_softirq+0x30b/0xad8 [ 406.564744] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 406.569887] ? irq_exit+0xbd/0x1c0 [ 406.573447] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.578494] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.584381] ? ret_from_intr+0xb/0x1e [ 406.588183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.593218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.598065] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.603082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.608624] ? check_preemption_disabled+0x48/0x200 [ 406.613644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.619194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.624076] ? neigh_periodic_work+0x6bd/0xc60 [ 406.628662] do_softirq_own_stack+0x2a/0x40 [ 406.632976] [ 406.635216] do_softirq.part.13+0x126/0x160 [ 406.639540] __local_bh_enable_ip+0x21d/0x260 [ 406.644043] _raw_write_unlock_bh+0x30/0x40 [ 406.648370] neigh_periodic_work+0x6bd/0xc60 [ 406.652792] ? neigh_table_clear+0x390/0x390 [ 406.657205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.662742] ? check_preemption_disabled+0x48/0x200 [ 406.667763] ? check_preemption_disabled+0x48/0x200 [ 406.672795] ? __lock_is_held+0xb5/0x140 [ 406.676872] process_one_work+0xc90/0x1b90 [ 406.681105] ? mark_held_locks+0x130/0x130 [ 406.685352] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 406.690025] ? __switch_to_asm+0x40/0x70 [ 406.694088] ? __switch_to_asm+0x40/0x70 [ 406.698150] ? __switch_to_asm+0x34/0x70 [ 406.702212] ? __switch_to_asm+0x40/0x70 [ 406.706328] ? __switch_to_asm+0x34/0x70 [ 406.710389] ? __switch_to_asm+0x40/0x70 [ 406.714452] ? __switch_to_asm+0x34/0x70 [ 406.718525] ? __switch_to_asm+0x40/0x70 [ 406.722594] ? __schedule+0x874/0x1ed0 [ 406.726495] ? __switch_to_asm+0x34/0x70 [ 406.730562] ? __switch_to_asm+0x40/0x70 [ 406.734644] ? kasan_check_read+0x11/0x20 [ 406.738798] ? graph_lock+0x170/0x170 [ 406.742603] ? __sched_text_start+0x8/0x8 [ 406.746763] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.751345] ? retint_kernel+0x2d/0x2d [ 406.755242] ? find_held_lock+0x36/0x1c0 [ 406.759315] ? lock_acquire+0x1ed/0x520 [ 406.763288] ? worker_thread+0x3e0/0x1390 [ 406.767445] ? lock_release+0x970/0x970 [ 406.771451] ? trace_hardirqs_off+0xb8/0x310 [ 406.775872] ? kasan_check_read+0x11/0x20 [ 406.780020] ? worker_thread+0x3e0/0x1390 [ 406.784169] ? trace_hardirqs_on+0x310/0x310 [ 406.788589] ? kasan_check_write+0x14/0x20 [ 406.792828] ? do_raw_spin_lock+0xc1/0x200 [ 406.797069] worker_thread+0x17f/0x1390 [ 406.801045] ? __switch_to_asm+0x34/0x70 [ 406.805122] ? process_one_work+0x1b90/0x1b90 [ 406.809628] ? graph_lock+0x170/0x170 [ 406.813432] ? graph_lock+0x170/0x170 [ 406.817239] ? find_held_lock+0x36/0x1c0 [ 406.821313] ? find_held_lock+0x36/0x1c0 [ 406.825384] ? __kthread_parkme+0xce/0x1a0 [ 406.829622] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.834727] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.839835] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.844419] ? trace_hardirqs_on+0xbd/0x310 [ 406.848745] ? kasan_check_read+0x11/0x20 [ 406.852899] ? __kthread_parkme+0xce/0x1a0 [ 406.857134] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.862594] ? kasan_check_write+0x14/0x20 [ 406.866828] ? do_raw_spin_lock+0xc1/0x200 [ 406.871070] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.876175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.881711] ? __kthread_parkme+0xfb/0x1a0 [ 406.885966] kthread+0x35a/0x420 [ 406.889333] ? process_one_work+0x1b90/0x1b90 [ 406.893828] ? kthread_bind+0x40/0x40 [ 406.897634] ret_from_fork+0x3a/0x50 [ 406.901375] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 406.901381] warn_alloc_show_mem: 1 callbacks suppressed [ 406.901387] Mem-Info: [ 406.908752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.914126] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 406.914126] active_file:14 inactive_file:13 isolated_file:0 [ 406.914126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.914126] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 406.914126] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 406.914126] free:13770 free_pcp:433 free_cma:0 [ 406.916500] Call Trace: [ 406.925889] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.958905] [ 406.961485] Node 0 [ 406.989066] dump_stack+0x1c4/0x2b4 [ 406.991213] 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 [ 406.993426] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.997029] lowmem_reserve[]: [ 407.022547] warn_alloc.cold.119+0xb7/0x1bd [ 407.027695] 0 2819 [ 407.030850] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.035150] 6323 [ 407.037401] ? lock_downgrade+0x900/0x900 [ 407.042232] 6323 [ 407.044299] ? trace_hardirqs_off+0xb8/0x310 [ 407.048418] Node 0 [ 407.050487] ? trace_hardirqs_off+0xb8/0x310 [ 407.054902] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.057119] __alloc_pages_slowpath+0x2667/0x2d80 [ 407.061502] lowmem_reserve[]: [ 407.088522] ? warn_alloc+0x120/0x120 [ 407.093315] 0 [ 407.096425] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.100197] 0 [ 407.102001] ? warn_alloc+0x120/0x120 [ 407.106982] 3503 3503 [ 407.108796] ? print_usage_bug+0xc0/0xc0 [ 407.115062] ? warn_alloc+0x120/0x120 [ 407.119098] Node 0 [ 407.122890] ? print_usage_bug+0xc0/0xc0 [ 407.122921] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 407.122929] lowmem_reserve[]: [ 407.125164] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.129199] 0 [ 407.157740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.160824] 0 0 [ 407.166021] ? should_fail+0x22d/0xd01 [ 407.167795] 0 [ 407.173337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.175308] Node 0 [ 407.179189] ? __lock_acquire+0x7ec/0x4ec0 [ 407.180983] DMA: [ 407.186082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.188299] 1*4kB [ 407.192531] ? should_fail+0x22d/0xd01 [ 407.194571] (U) [ 407.199673] ? mark_held_locks+0x130/0x130 [ 407.201795] 0*8kB [ 407.205674] ? mark_held_locks+0x130/0x130 [ 407.207629] 0*16kB [ 407.211851] ? print_usage_bug+0xc0/0xc0 [ 407.211870] ? find_held_lock+0x36/0x1c0 [ 407.214002] 1*32kB [ 407.218228] ? graph_lock+0x170/0x170 [ 407.220441] (U) [ 407.224512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.228541] 2*64kB (U) [ 407.230790] ? check_preemption_disabled+0x48/0x200 [ 407.234564] 1*128kB (U) [ 407.236547] ? check_preemption_disabled+0x48/0x200 [ 407.242074] 1*256kB (U) [ 407.244673] ? __lock_is_held+0xb5/0x140 [ 407.249654] 0*512kB 1*1024kB [ 407.252332] __alloc_pages_nodemask+0xa80/0xde0 [ 407.257318] (U) [ 407.259983] ? graph_lock+0x170/0x170 [ 407.264022] 1*2048kB [ 407.267127] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.271773] (M) [ 407.273745] ? graph_lock+0x170/0x170 [ 407.277519] 3*4096kB (M) [ 407.279939] ? find_held_lock+0x36/0x1c0 [ 407.284922] = 15908kB [ 407.286904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.290690] Node 0 [ 407.293442] ? lock_downgrade+0x900/0x900 [ 407.297490] DMA32: [ 407.299900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.304540] 5*4kB [ 407.306773] cache_grow_begin+0x91/0x8c0 [ 407.310894] (UMH) [ 407.313131] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.318644] 2*8kB [ 407.320796] fallback_alloc+0x203/0x2e0 [ 407.324831] (MH) [ 407.326984] ____cache_alloc_node+0x1c7/0x1e0 [ 407.331371] 3*16kB [ 407.333518] kmem_cache_alloc_node+0xe3/0x730 [ 407.337461] (MH) 3*32kB [ 407.339538] ? mark_held_locks+0xc7/0x130 [ 407.344006] (MH) [ 407.346245] __alloc_skb+0x119/0x770 [ 407.350702] 5*64kB (MH) [ 407.353379] ? skb_scrub_packet+0x490/0x490 [ 407.357504] 3*128kB (M) [ 407.359571] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 407.363257] 5*256kB [ 407.365923] ? queue_work_on+0x12c/0x1e0 [ 407.370216] (UMH) [ 407.372973] ? switchdev_port_obj_del+0xdc/0x450 [ 407.377532] 5*512kB [ 407.379853] ? switchdev_trans_item_enqueue+0x260/0x260 [ 407.383892] (UMH) [ 407.386042] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.390775] 4*1024kB [ 407.393097] __br_mdb_notify+0x4ff/0x15d0 [ 407.398430] (UMH) [ 407.400584] ? __br_mdb_add+0x7f0/0x7f0 [ 407.405564] 2*2048kB (M) [ 407.407978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.412101] 3*4096kB [ 407.414255] ? check_preemption_disabled+0x48/0x200 [ 407.418198] (M) [ 407.420955] ? graph_lock+0x170/0x170 [ 407.426475] = 25204kB [ 407.428888] ? br_multicast_group_expired+0x96/0x610 [ 407.433875] Node 0 [ 407.435849] ? lock_downgrade+0x900/0x900 [ 407.439623] Normal: [ 407.442037] br_mdb_notify+0x310/0x410 [ 407.447109] 990*4kB [ 407.449339] ? br_mdb_dump+0x27b0/0x27b0 [ 407.453462] (UMEH) [ 407.455790] ? kasan_check_write+0x14/0x20 [ 407.459646] 505*8kB (MEH) [ 407.461976] ? do_raw_spin_lock+0xc1/0x200 [ 407.466011] 189*16kB [ 407.468246] br_multicast_group_expired+0x1bc/0x610 [ 407.472450] (MEH) [ 407.475297] ? br_mdb_free+0x80/0x80 [ 407.479509] 66*32kB [ 407.481924] call_timer_fn+0x272/0x920 [ 407.486905] (UMH) [ 407.489047] ? br_mdb_free+0x80/0x80 [ 407.492732] 0*64kB 1*128kB [ 407.495059] ? process_timeout+0x40/0x40 [ 407.499019] (H) 1*256kB [ 407.501177] ? find_held_lock+0x36/0x1c0 [ 407.504865] (H) [ 407.507800] ? __run_timers+0x7da/0xc70 [ 407.511822] 1*512kB (H) [ 407.514511] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.518542] 0*1024kB 0*2048kB [ 407.520524] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.524482] 0*4096kB [ 407.527148] ? br_mdb_free+0x80/0x80 [ 407.531617] = 14032kB [ 407.534803] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 407.539278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.541678] ? trace_hardirqs_on+0xbd/0x310 [ 407.545372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.547772] ? kasan_check_read+0x11/0x20 [ 407.552325] 5170 total pagecache pages [ 407.561158] ? __run_timers+0x7da/0xc70 [ 407.565459] 0 pages in swap cache [ 407.574032] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.578161] Swap cache stats: add 0, delete 0, find 0/0 [ 407.582039] ? br_mdb_free+0x80/0x80 [ 407.585986] Free swap = 0kB [ 407.589437] ? br_mdb_free+0x80/0x80 [ 407.594866] Total swap = 0kB [ 407.600223] __run_timers+0x7e5/0xc70 [ 407.603909] 1965979 pages RAM [ 407.606931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.610610] 0 pages HighMem/MovableOnly [ 407.613630] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.617407] 342306 pages reserved [ 407.620517] ? graph_lock+0x170/0x170 [ 407.625856] 0 pages cma reserved [ 407.629821] ? enqueue_hrtimer+0x1a5/0x560 [ 407.634953] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.638257] ? lock_release+0x970/0x970 [ 407.642035] kworker/0:2 cpuset= [ 407.645394] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.649604] / [ 407.659928] ? find_held_lock+0x36/0x1c0 [ 407.663887] mems_allowed=0 [ 407.667164] ? graph_lock+0x170/0x170 [ 407.684792] ? pvclock_read_flags+0x160/0x160 [ 407.689290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.694831] ? check_preemption_disabled+0x48/0x200 [ 407.699865] ? __lock_is_held+0xb5/0x140 [ 407.703927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.709475] ? check_preemption_disabled+0x48/0x200 [ 407.714515] run_timer_softirq+0x52/0xb0 [ 407.718583] ? rcu_read_lock_sched_held+0x108/0x120 [ 407.723606] __do_softirq+0x30b/0xad8 [ 407.727419] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.732528] ? pvclock_read_flags+0x160/0x160 [ 407.737026] ? lapic_next_event+0x5a/0x90 [ 407.741176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.746718] ? check_preemption_disabled+0x48/0x200 [ 407.751737] ? check_preemption_disabled+0x48/0x200 [ 407.756761] ? kvm_clock_read+0x18/0x30 [ 407.760737] ? kvm_sched_clock_read+0x9/0x20 [ 407.765152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.770694] ? check_preemption_disabled+0x48/0x200 [ 407.775725] irq_exit+0x17f/0x1c0 [ 407.779186] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.784035] ? smp_reschedule_interrupt+0x109/0x650 [ 407.789056] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.794949] ? interrupt_entry+0xb5/0xf0 [ 407.799016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.804036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.809060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.813908] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.818923] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.823944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.829491] ? check_preemption_disabled+0x48/0x200 [ 407.834519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.840065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.844919] apic_timer_interrupt+0xf/0x20 [ 407.849147] [ 407.851391] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.856322] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 407.875228] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 407.882943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.890233] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 407.897505] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 407.904771] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.912041] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 407.919357] skb_clone+0x1bb/0x500 [ 407.922900] ? finish_task_switch+0x2f5/0x900 [ 407.927396] ? skb_split+0x11e0/0x11e0 [ 407.931291] ? preempt_notifier_register+0x200/0x200 [ 407.936394] ? __switch_to_asm+0x34/0x70 [ 407.940459] ? __switch_to_asm+0x34/0x70 [ 407.944535] ? __switch_to_asm+0x40/0x70 [ 407.948598] ? __switch_to_asm+0x34/0x70 [ 407.952661] ? __switch_to_asm+0x40/0x70 [ 407.956722] ? __switch_to_asm+0x34/0x70 [ 407.960783] ? __switch_to_asm+0x40/0x70 [ 407.964844] ? __switch_to_asm+0x34/0x70 [ 407.968910] ? __switch_to_asm+0x34/0x70 [ 407.972975] ? __switch_to_asm+0x40/0x70 [ 407.977040] ? __switch_to_asm+0x34/0x70 [ 407.981113] bpf_clone_redirect+0xb9/0x490 [ 407.985352] ? __schedule+0x874/0x1ed0 [ 407.989253] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 407.994278] ? __sched_text_start+0x8/0x8 [ 407.998442] ? find_held_lock+0x36/0x1c0 [ 408.002520] ? lock_acquire+0x1ed/0x520 [ 408.006506] ? bpf_test_run+0x3cb/0x780 [ 408.010490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.016035] ? check_preemption_disabled+0x48/0x200 [ 408.021089] ? kasan_check_read+0x11/0x20 [ 408.025246] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.030526] ? rcu_bh_qs+0xc0/0xc0 [ 408.034068] ? preempt_schedule+0x4d/0x60 [ 408.038221] ? ___preempt_schedule+0x16/0x18 [ 408.042641] ? bpf_test_run+0x25d/0x780 [ 408.046631] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.051049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.056597] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 408.061375] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.066220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.071763] ? fput+0x130/0x1a0 [ 408.075047] ? __bpf_prog_get+0x9b/0x290 [ 408.079117] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.083962] ? bpf_prog_test_run+0x130/0x1a0 [ 408.088381] ? __x64_sys_bpf+0x3d8/0x520 [ 408.092446] ? bpf_prog_get+0x20/0x20 [ 408.096280] ? do_syscall_64+0x1b9/0x820 [ 408.100346] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.105717] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.110662] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.115682] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.120701] ? recalc_sigpending_tsk+0x180/0x180 [ 408.125475] ? kasan_check_write+0x14/0x20 [ 408.129722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.134577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.139963] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 408.140133] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.147074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.157559] syz-executor2 cpuset=syz2 [ 408.166914] Workqueue: events_power_efficient neigh_periodic_work [ 408.170716] mems_allowed=0 [ 408.176929] Call Trace: [ 408.182420] [ 408.184586] dump_stack+0x1c4/0x2b4 [ 408.188219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 408.193426] warn_alloc.cold.119+0xb7/0x1bd [ 408.197751] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.202602] ? lock_downgrade+0x900/0x900 [ 408.206786] ? trace_hardirqs_off+0xb8/0x310 [ 408.211203] ? trace_hardirqs_off+0xb8/0x310 [ 408.215623] __alloc_pages_slowpath+0x2667/0x2d80 [ 408.220516] ? warn_alloc+0x120/0x120 [ 408.224341] ? warn_alloc+0x120/0x120 [ 408.228144] ? print_usage_bug+0xc0/0xc0 [ 408.232207] ? warn_alloc+0x120/0x120 [ 408.236007] ? kvm_clock_read+0x18/0x30 [ 408.239985] ? print_usage_bug+0xc0/0xc0 [ 408.244045] ? ktime_get+0x2e1/0x440 [ 408.247766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.253307] ? check_preemption_disabled+0x48/0x200 [ 408.258330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.263892] ? should_fail+0x22d/0xd01 [ 408.267790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.272898] ? __lock_acquire+0x7ec/0x4ec0 [ 408.277140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.282241] ? __lock_acquire+0x7ec/0x4ec0 [ 408.286483] ? should_fail+0x22d/0xd01 [ 408.290388] ? mark_held_locks+0x130/0x130 [ 408.294630] ? mark_held_locks+0x130/0x130 [ 408.298877] ? graph_lock+0x170/0x170 [ 408.302678] ? print_usage_bug+0xc0/0xc0 [ 408.306743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.312284] ? check_preemption_disabled+0x48/0x200 [ 408.317302] ? check_preemption_disabled+0x48/0x200 [ 408.322330] ? __lock_is_held+0xb5/0x140 [ 408.326402] __alloc_pages_nodemask+0xa80/0xde0 [ 408.331075] ? graph_lock+0x170/0x170 [ 408.334881] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.339894] ? graph_lock+0x170/0x170 [ 408.343710] ? find_held_lock+0x36/0x1c0 [ 408.347787] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.352462] ? lock_downgrade+0x900/0x900 [ 408.356637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.362183] cache_grow_begin+0x91/0x8c0 [ 408.366742] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.371165] fallback_alloc+0x203/0x2e0 [ 408.375159] ____cache_alloc_node+0x1c7/0x1e0 [ 408.379664] kmem_cache_alloc_node+0xe3/0x730 [ 408.384164] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.388411] __alloc_skb+0x119/0x770 [ 408.392132] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.397423] ? skb_scrub_packet+0x490/0x490 [ 408.401749] ? lock_downgrade+0x900/0x900 [ 408.405909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.411452] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.416923] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.422375] ? addrconf_rs_timer+0x690/0x690 [ 408.426800] ndisc_alloc_skb+0x144/0x340 [ 408.430867] ndisc_send_rs+0x331/0x6e0 [ 408.434760] addrconf_rs_timer+0x314/0x690 [ 408.439005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.443258] call_timer_fn+0x272/0x920 [ 408.447148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.451390] ? process_timeout+0x40/0x40 [ 408.455450] ? find_held_lock+0x36/0x1c0 [ 408.459532] ? mark_held_locks+0xc7/0x130 [ 408.463688] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.468185] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.472685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.476922] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 408.481511] ? trace_hardirqs_on+0xbd/0x310 [ 408.485834] ? kasan_check_read+0x11/0x20 [ 408.489988] ? __run_timers+0x7da/0xc70 [ 408.493968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.499436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.503680] __run_timers+0x7e5/0xc70 [ 408.507508] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.512872] ? lock_downgrade+0x900/0x900 [ 408.517032] ? print_usage_bug+0xc0/0xc0 [ 408.521094] ? trace_hardirqs_on+0x310/0x310 [ 408.525522] ? kvm_clock_read+0x18/0x30 [ 408.529520] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.534553] ? graph_lock+0x170/0x170 [ 408.538358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.543902] ? check_preemption_disabled+0x48/0x200 [ 408.548931] ? __lock_is_held+0xb5/0x140 [ 408.552996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.558536] ? check_preemption_disabled+0x48/0x200 [ 408.563563] run_timer_softirq+0x52/0xb0 [ 408.567627] ? rcu_read_lock_sched_held+0x108/0x120 [ 408.572647] __do_softirq+0x30b/0xad8 [ 408.576459] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.581579] ? irq_exit+0xbd/0x1c0 [ 408.585130] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.590149] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.596037] ? ret_from_intr+0xb/0x1e [ 408.599840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.604858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.609704] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.614726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.620265] ? check_preemption_disabled+0x48/0x200 [ 408.625290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.630835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.635685] ? neigh_periodic_work+0x6bd/0xc60 [ 408.640268] do_softirq_own_stack+0x2a/0x40 [ 408.644587] [ 408.646831] do_softirq.part.13+0x126/0x160 [ 408.651157] __local_bh_enable_ip+0x21d/0x260 [ 408.655662] _raw_write_unlock_bh+0x30/0x40 [ 408.659987] neigh_periodic_work+0x6bd/0xc60 [ 408.664408] ? neigh_table_clear+0x390/0x390 [ 408.668818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.674359] ? check_preemption_disabled+0x48/0x200 [ 408.679376] ? check_preemption_disabled+0x48/0x200 [ 408.684405] ? __lock_is_held+0xb5/0x140 [ 408.688493] process_one_work+0xc90/0x1b90 [ 408.692736] ? mark_held_locks+0x130/0x130 [ 408.696984] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 408.701652] ? __switch_to_asm+0x40/0x70 [ 408.705719] ? __switch_to_asm+0x40/0x70 [ 408.709781] ? __switch_to_asm+0x34/0x70 [ 408.713842] ? __switch_to_asm+0x40/0x70 [ 408.717907] ? __switch_to_asm+0x34/0x70 [ 408.721972] ? __switch_to_asm+0x40/0x70 [ 408.726035] ? __switch_to_asm+0x34/0x70 [ 408.730099] ? __switch_to_asm+0x40/0x70 [ 408.734166] ? __schedule+0x874/0x1ed0 [ 408.738054] ? __switch_to_asm+0x34/0x70 [ 408.742118] ? __switch_to_asm+0x40/0x70 [ 408.746200] ? kasan_check_read+0x11/0x20 [ 408.750351] ? graph_lock+0x170/0x170 [ 408.754154] ? __sched_text_start+0x8/0x8 [ 408.758308] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.762896] ? retint_kernel+0x2d/0x2d [ 408.766791] ? find_held_lock+0x36/0x1c0 [ 408.770864] ? lock_acquire+0x1ed/0x520 [ 408.774839] ? worker_thread+0x3e0/0x1390 [ 408.778998] ? lock_release+0x970/0x970 [ 408.782978] ? trace_hardirqs_off+0xb8/0x310 [ 408.787392] ? kasan_check_read+0x11/0x20 [ 408.791549] ? worker_thread+0x3e0/0x1390 [ 408.795704] ? trace_hardirqs_on+0x310/0x310 [ 408.800122] ? kasan_check_write+0x14/0x20 [ 408.804359] ? do_raw_spin_lock+0xc1/0x200 [ 408.808602] worker_thread+0x17f/0x1390 [ 408.812584] ? __switch_to_asm+0x34/0x70 [ 408.816659] ? process_one_work+0x1b90/0x1b90 [ 408.821164] ? graph_lock+0x170/0x170 [ 408.824966] ? graph_lock+0x170/0x170 [ 408.828767] ? find_held_lock+0x36/0x1c0 [ 408.832844] ? find_held_lock+0x36/0x1c0 [ 408.836919] ? __kthread_parkme+0xce/0x1a0 [ 408.841159] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.846264] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.851368] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.855955] ? trace_hardirqs_on+0xbd/0x310 [ 408.860278] ? kasan_check_read+0x11/0x20 [ 408.864426] ? __kthread_parkme+0xce/0x1a0 [ 408.868664] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.874122] ? kasan_check_write+0x14/0x20 [ 408.878367] ? do_raw_spin_lock+0xc1/0x200 [ 408.882609] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.887718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.893259] ? __kthread_parkme+0xfb/0x1a0 [ 408.897515] kthread+0x35a/0x420 [ 408.900888] ? process_one_work+0x1b90/0x1b90 [ 408.905382] ? kthread_bind+0x40/0x40 [ 408.909189] ret_from_fork+0x3a/0x50 [ 408.912918] warn_alloc_show_mem: 1 callbacks suppressed [ 408.912930] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 408.912932] Mem-Info: [ 408.912962] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 408.912962] active_file:14 inactive_file:13 isolated_file:0 [ 408.912962] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.912962] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 408.912962] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 408.912962] free:13770 free_pcp:433 free_cma:0 [ 408.918308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.925674] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 408.928071] Call Trace: [ 408.961110] Node 0 [ 408.970454] [ 408.998072] 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 [ 409.000637] dump_stack+0x1c4/0x2b4 [ 409.002844] lowmem_reserve[]: [ 409.005008] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.030503] 0 [ 409.034139] warn_alloc.cold.119+0xb7/0x1bd [ 409.037211] 2819 [ 409.042394] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.044168] 6323 6323 [ 409.048496] ? lock_downgrade+0x900/0x900 [ 409.055379] ? trace_hardirqs_off+0xb8/0x310 [ 409.057848] Node 0 [ 409.061994] ? trace_hardirqs_off+0xb8/0x310 [ 409.066397] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 409.068607] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.072981] lowmem_reserve[]: 0 [ 409.100002] ? warn_alloc+0x120/0x120 [ 409.104798] 0 3503 [ 409.108082] ? warn_alloc+0x120/0x120 [ 409.111848] 3503 [ 409.114092] ? print_usage_bug+0xc0/0xc0 [ 409.117868] Node 0 [ 409.119928] ? warn_alloc+0x120/0x120 [ 409.123993] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 409.126233] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.130008] lowmem_reserve[]: [ 409.158545] ? print_usage_bug+0xc0/0xc0 [ 409.163541] 0 [ 409.166642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.170676] 0 [ 409.172485] ? check_preemption_disabled+0x48/0x200 [ 409.177994] 0 0 [ 409.179803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.186767] ? should_fail+0x22d/0xd01 [ 409.192298] Node 0 [ 409.196174] ? __lock_acquire+0x7ec/0x4ec0 [ 409.196184] DMA: [ 409.198416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.202626] 1*4kB [ 409.204681] ? __lock_acquire+0x7ec/0x4ec0 [ 409.209767] (U) [ 409.211925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.216133] 0*8kB [ 409.218106] ? __lock_acquire+0x7ec/0x4ec0 [ 409.223180] 0*16kB 1*32kB [ 409.225332] ? should_fail+0x22d/0xd01 [ 409.229542] (U) [ 409.232393] ? mark_held_locks+0x130/0x130 [ 409.236266] 2*64kB [ 409.238245] ? mark_held_locks+0x130/0x130 [ 409.242454] (U) [ 409.244699] ? graph_lock+0x170/0x170 [ 409.248902] 1*128kB (U) [ 409.250880] ? print_usage_bug+0xc0/0xc0 [ 409.254661] 1*256kB [ 409.257324] ? find_held_lock+0x36/0x1c0 [ 409.261367] (U) 0*512kB [ 409.263699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.267733] 1*1024kB [ 409.270400] ? check_preemption_disabled+0x48/0x200 [ 409.275911] (U) [ 409.278317] ? check_preemption_disabled+0x48/0x200 [ 409.283322] 1*2048kB [ 409.285314] ? __lock_is_held+0xb5/0x140 [ 409.290317] (M) [ 409.292730] __alloc_pages_nodemask+0xa80/0xde0 [ 409.296762] 3*4096kB [ 409.298731] ? graph_lock+0x170/0x170 [ 409.303375] (M) [ 409.305785] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.309553] = 15908kB [ 409.309561] Node 0 [ 409.311536] ? graph_lock+0x170/0x170 [ 409.316525] DMA32: 5*4kB [ 409.318946] ? find_held_lock+0x36/0x1c0 [ 409.321171] (UMH) [ 409.324970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.327692] 2*8kB (MH) [ 409.331765] ? lock_downgrade+0x900/0x900 [ 409.333906] 3*16kB [ 409.338617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.341184] (MH) [ 409.345348] cache_grow_begin+0x91/0x8c0 [ 409.347562] 3*32kB [ 409.353097] ? do_raw_spin_unlock+0xa7/0x2f0 [ 409.355137] (MH) [ 409.359198] fallback_alloc+0x203/0x2e0 [ 409.361401] 5*64kB (MH) [ 409.365816] ____cache_alloc_node+0x1c7/0x1e0 [ 409.367848] 3*128kB (M) [ 409.371829] kmem_cache_alloc_node+0xe3/0x730 [ 409.374483] 5*256kB [ 409.378972] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.381617] (UMH) [ 409.386113] __alloc_skb+0x119/0x770 [ 409.388401] 5*512kB (UMH) [ 409.392645] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.394783] 4*1024kB [ 409.398493] ? skb_scrub_packet+0x490/0x490 [ 409.401319] (UMH) [ 409.406595] ? lock_downgrade+0x900/0x900 [ 409.408993] 2*2048kB (M) [ 409.413333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.415449] 3*4096kB (M) [ 409.419615] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.422355] = 25204kB [ 409.427885] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.430646] Node 0 [ 409.436089] ? addrconf_rs_timer+0x690/0x690 [ 409.438493] Normal: [ 409.443957] ndisc_alloc_skb+0x144/0x340 [ 409.446182] 990*4kB [ 409.450582] ndisc_send_rs+0x331/0x6e0 [ 409.452883] (UMEH) [ 409.456941] addrconf_rs_timer+0x314/0x690 [ 409.459246] 505*8kB (MEH) [ 409.463136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.465344] 189*16kB (MEH) [ 409.469590] call_timer_fn+0x272/0x920 [ 409.472395] 66*32kB (UMH) [ 409.476632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.479546] 0*64kB [ 409.483430] ? process_timeout+0x40/0x40 [ 409.486267] 1*128kB [ 409.490505] ? find_held_lock+0x36/0x1c0 [ 409.492719] (H) [ 409.496914] ? __run_timers+0x7da/0xc70 [ 409.499210] 1*256kB [ 409.503265] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.505213] (H) [ 409.509357] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.511662] 1*512kB [ 409.516147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.518098] (H) [ 409.522587] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.524885] 0*1024kB [ 409.529112] ? trace_hardirqs_on+0xbd/0x310 [ 409.531095] 0*2048kB [ 409.535673] ? kasan_check_read+0x11/0x20 [ 409.538057] 0*4096kB [ 409.542369] ? __run_timers+0x7da/0xc70 [ 409.544756] = 14032kB [ 409.548901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.551300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.555266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.557654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.563093] __run_timers+0x7e5/0xc70 [ 409.571916] 5170 total pagecache pages [ 409.576152] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.584714] 0 pages in swap cache [ 409.588509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.592369] Swap cache stats: add 0, delete 0, find 0/0 [ 409.592377] Free swap = 0kB [ 409.597734] ? graph_lock+0x170/0x170 [ 409.601174] Total swap = 0kB [ 409.606294] ? enqueue_hrtimer+0x1a5/0x560 [ 409.611632] 1965979 pages RAM [ 409.614643] ? lock_release+0x970/0x970 [ 409.614660] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.618436] 0 pages HighMem/MovableOnly [ 409.618445] 342306 pages reserved [ 409.621478] ? find_held_lock+0x36/0x1c0 [ 409.625687] 0 pages cma reserved [ 409.628787] ? graph_lock+0x170/0x170 [ 409.632813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.637924] ? pvclock_read_flags+0x160/0x160 [ 409.641963] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.645322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.649376] kworker/0:2 cpuset= [ 409.652740] ? check_preemption_disabled+0x48/0x200 [ 409.656516] / [ 409.663015] ? __lock_is_held+0xb5/0x140 [ 409.667511] mems_allowed=0 [ 409.677817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.705793] ? check_preemption_disabled+0x48/0x200 [ 409.710824] run_timer_softirq+0x52/0xb0 [ 409.714887] ? rcu_read_lock_sched_held+0x108/0x120 [ 409.719908] __do_softirq+0x30b/0xad8 [ 409.723721] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 409.728831] ? pvclock_read_flags+0x160/0x160 [ 409.733326] ? lapic_next_event+0x5a/0x90 [ 409.737483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.743025] ? check_preemption_disabled+0x48/0x200 [ 409.748041] ? check_preemption_disabled+0x48/0x200 [ 409.753069] ? kvm_clock_read+0x18/0x30 [ 409.757047] ? kvm_sched_clock_read+0x9/0x20 [ 409.761475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.767025] ? check_preemption_disabled+0x48/0x200 [ 409.772055] irq_exit+0x17f/0x1c0 [ 409.775512] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.780358] ? smp_reschedule_interrupt+0x109/0x650 [ 409.785411] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.791303] ? interrupt_entry+0xb5/0xf0 [ 409.795370] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.800389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.805411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.810259] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.815277] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.820312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.825849] ? check_preemption_disabled+0x48/0x200 [ 409.830896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.836445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.841307] apic_timer_interrupt+0xf/0x20 [ 409.845537] [ 409.847779] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 409.852711] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 409.871619] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 409.879333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 409.886601] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 409.893870] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 409.901137] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 409.908404] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 409.915720] skb_clone+0x1bb/0x500 [ 409.919266] ? finish_task_switch+0x2f5/0x900 [ 409.923794] ? skb_split+0x11e0/0x11e0 [ 409.927689] ? preempt_notifier_register+0x200/0x200 [ 409.932792] ? __switch_to_asm+0x34/0x70 [ 409.936858] ? __switch_to_asm+0x34/0x70 [ 409.940925] ? __switch_to_asm+0x40/0x70 [ 409.944992] ? __switch_to_asm+0x34/0x70 [ 409.949073] ? __switch_to_asm+0x40/0x70 [ 409.953134] ? __switch_to_asm+0x34/0x70 [ 409.957196] ? __switch_to_asm+0x40/0x70 [ 409.961261] ? __switch_to_asm+0x34/0x70 [ 409.965324] ? __switch_to_asm+0x34/0x70 [ 409.969384] ? __switch_to_asm+0x40/0x70 [ 409.973460] ? __switch_to_asm+0x34/0x70 [ 409.977543] bpf_clone_redirect+0xb9/0x490 [ 409.981783] ? __schedule+0x874/0x1ed0 [ 409.985684] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 409.990702] ? __sched_text_start+0x8/0x8 [ 409.994865] ? find_held_lock+0x36/0x1c0 [ 409.998938] ? lock_acquire+0x1ed/0x520 [ 410.002914] ? bpf_test_run+0x3cb/0x780 [ 410.006895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.012440] ? check_preemption_disabled+0x48/0x200 [ 410.017481] ? kasan_check_read+0x11/0x20 [ 410.021635] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.026919] ? rcu_bh_qs+0xc0/0xc0 [ 410.030481] ? preempt_schedule+0x4d/0x60 [ 410.034630] ? ___preempt_schedule+0x16/0x18 [ 410.039048] ? bpf_test_run+0x25d/0x780 [ 410.043037] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.047452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.053013] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 410.057783] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.062627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.068163] ? fput+0x130/0x1a0 [ 410.071444] ? __bpf_prog_get+0x9b/0x290 [ 410.075522] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.080366] ? bpf_prog_test_run+0x130/0x1a0 [ 410.084783] ? __x64_sys_bpf+0x3d8/0x520 [ 410.088849] ? bpf_prog_get+0x20/0x20 [ 410.092674] ? do_syscall_64+0x1b9/0x820 [ 410.096742] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.102107] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.107044] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.112080] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.117113] ? recalc_sigpending_tsk+0x180/0x180 [ 410.121877] ? kasan_check_write+0x14/0x20 [ 410.126118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.130974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.136368] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 410.136451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.143476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.143504] Workqueue: events_power_efficient neigh_periodic_work [ 410.143518] Call Trace: [ 410.150066] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.159346] [ 410.165562] syz-executor2 cpuset= [ 410.168146] dump_stack+0x1c4/0x2b4 [ 410.178631] syz2 [ 410.180793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.184237] mems_allowed=0 [ 410.187886] warn_alloc.cold.119+0xb7/0x1bd [ 410.202239] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.207107] ? lock_downgrade+0x900/0x900 [ 410.211281] ? trace_hardirqs_off+0xb8/0x310 [ 410.215697] ? trace_hardirqs_off+0xb8/0x310 [ 410.220132] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.225006] ? warn_alloc+0x120/0x120 [ 410.228815] ? trace_hardirqs_on+0x310/0x310 [ 410.233232] ? warn_alloc+0x120/0x120 [ 410.237037] ? print_usage_bug+0xc0/0xc0 [ 410.241105] ? warn_alloc+0x120/0x120 [ 410.244909] ? ktime_get+0x2e1/0x440 [ 410.248625] ? print_usage_bug+0xc0/0xc0 [ 410.252688] ? __lock_acquire+0x7ec/0x4ec0 [ 410.256923] ? __lock_acquire+0x7ec/0x4ec0 [ 410.261161] ? kasan_check_read+0x11/0x20 [ 410.265312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.270855] ? should_fail+0x22d/0xd01 [ 410.274743] ? rcu_bh_qs+0xc0/0xc0 [ 410.278287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.283394] ? __lock_acquire+0x7ec/0x4ec0 [ 410.287635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.292740] ? __lock_acquire+0x7ec/0x4ec0 [ 410.296972] ? should_fail+0x22d/0xd01 [ 410.300881] ? rcu_idle_enter+0x4b0/0x4b0 [ 410.305038] ? mark_held_locks+0x130/0x130 [ 410.309290] ? mark_held_locks+0x130/0x130 [ 410.313531] ? mark_held_locks+0xc7/0x130 [ 410.317681] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.322700] ? graph_lock+0x170/0x170 [ 410.326511] ? print_usage_bug+0xc0/0xc0 [ 410.330584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.336127] ? check_preemption_disabled+0x48/0x200 [ 410.341157] ? check_preemption_disabled+0x48/0x200 [ 410.346188] ? __lock_is_held+0xb5/0x140 [ 410.350260] __alloc_pages_nodemask+0xa80/0xde0 [ 410.354943] ? graph_lock+0x170/0x170 [ 410.358750] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 410.363762] ? graph_lock+0x170/0x170 [ 410.368111] ? find_held_lock+0x36/0x1c0 [ 410.372194] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.376866] ? lock_downgrade+0x900/0x900 [ 410.381024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.386572] cache_grow_begin+0x91/0x8c0 [ 410.390639] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.395063] fallback_alloc+0x203/0x2e0 [ 410.399050] ____cache_alloc_node+0x1c7/0x1e0 [ 410.403559] kmem_cache_alloc_node+0xe3/0x730 [ 410.408056] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.412302] __alloc_skb+0x119/0x770 [ 410.416020] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.421306] ? skb_scrub_packet+0x490/0x490 [ 410.425631] ? lock_downgrade+0x900/0x900 [ 410.429788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.435330] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.440790] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.446243] ? addrconf_rs_timer+0x690/0x690 [ 410.450666] ndisc_alloc_skb+0x144/0x340 [ 410.454742] ndisc_send_rs+0x331/0x6e0 [ 410.458636] addrconf_rs_timer+0x314/0x690 [ 410.462879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.467132] call_timer_fn+0x272/0x920 [ 410.471022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.475266] ? process_timeout+0x40/0x40 [ 410.479333] ? find_held_lock+0x36/0x1c0 [ 410.483411] ? mark_held_locks+0xc7/0x130 [ 410.487565] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.492063] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.496564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.500800] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 410.505385] ? trace_hardirqs_on+0xbd/0x310 [ 410.509709] ? kasan_check_read+0x11/0x20 [ 410.513859] ? __run_timers+0x7da/0xc70 [ 410.517838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.523300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.527547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.531809] __run_timers+0x7e5/0xc70 [ 410.535643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.541017] ? lock_downgrade+0x900/0x900 [ 410.545182] ? print_usage_bug+0xc0/0xc0 [ 410.549289] ? trace_hardirqs_on+0x310/0x310 [ 410.553711] ? kvm_clock_read+0x18/0x30 [ 410.557686] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.562707] ? graph_lock+0x170/0x170 [ 410.566515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.572060] ? check_preemption_disabled+0x48/0x200 [ 410.577091] ? __lock_is_held+0xb5/0x140 [ 410.581155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.586696] ? check_preemption_disabled+0x48/0x200 [ 410.591722] run_timer_softirq+0x52/0xb0 [ 410.595789] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.600813] __do_softirq+0x30b/0xad8 [ 410.604624] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.609728] ? irq_exit+0xbd/0x1c0 [ 410.613269] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.618300] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.624189] ? ret_from_intr+0xb/0x1e [ 410.627992] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.633012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.637862] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.642878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.648421] ? check_preemption_disabled+0x48/0x200 [ 410.653435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.658989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.663839] ? neigh_periodic_work+0x6bd/0xc60 [ 410.668425] do_softirq_own_stack+0x2a/0x40 [ 410.672743] [ 410.674983] do_softirq.part.13+0x126/0x160 [ 410.679310] __local_bh_enable_ip+0x21d/0x260 [ 410.683812] _raw_write_unlock_bh+0x30/0x40 [ 410.688135] neigh_periodic_work+0x6bd/0xc60 [ 410.692561] ? neigh_table_clear+0x390/0x390 [ 410.696992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.702535] ? check_preemption_disabled+0x48/0x200 [ 410.707557] ? check_preemption_disabled+0x48/0x200 [ 410.712590] ? __lock_is_held+0xb5/0x140 [ 410.716669] process_one_work+0xc90/0x1b90 [ 410.720908] ? mark_held_locks+0x130/0x130 [ 410.725156] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 410.729828] ? __switch_to_asm+0x40/0x70 [ 410.733893] ? __switch_to_asm+0x40/0x70 [ 410.737956] ? __switch_to_asm+0x34/0x70 [ 410.742031] ? __switch_to_asm+0x40/0x70 [ 410.746123] ? __switch_to_asm+0x34/0x70 [ 410.750182] ? __switch_to_asm+0x40/0x70 [ 410.754244] ? __switch_to_asm+0x34/0x70 [ 410.758305] ? __switch_to_asm+0x40/0x70 [ 410.762374] ? __schedule+0x874/0x1ed0 [ 410.766267] ? __switch_to_asm+0x34/0x70 [ 410.770330] ? __switch_to_asm+0x40/0x70 [ 410.774414] ? kasan_check_read+0x11/0x20 [ 410.778568] ? graph_lock+0x170/0x170 [ 410.782373] ? __sched_text_start+0x8/0x8 [ 410.786534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.791120] ? retint_kernel+0x2d/0x2d [ 410.795016] ? find_held_lock+0x36/0x1c0 [ 410.799087] ? lock_acquire+0x1ed/0x520 [ 410.803065] ? worker_thread+0x3e0/0x1390 [ 410.807219] ? lock_release+0x970/0x970 [ 410.811195] ? trace_hardirqs_off+0xb8/0x310 [ 410.815604] ? kasan_check_read+0x11/0x20 [ 410.819752] ? worker_thread+0x3e0/0x1390 [ 410.823903] ? trace_hardirqs_on+0x310/0x310 [ 410.828315] ? kasan_check_write+0x14/0x20 [ 410.832551] ? do_raw_spin_lock+0xc1/0x200 [ 410.836796] worker_thread+0x17f/0x1390 [ 410.840773] ? __switch_to_asm+0x34/0x70 [ 410.844847] ? process_one_work+0x1b90/0x1b90 [ 410.849349] ? graph_lock+0x170/0x170 [ 410.853152] ? graph_lock+0x170/0x170 [ 410.856955] ? find_held_lock+0x36/0x1c0 [ 410.861032] ? find_held_lock+0x36/0x1c0 [ 410.865109] ? __kthread_parkme+0xce/0x1a0 [ 410.869352] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 410.874457] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 410.879576] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.884160] ? trace_hardirqs_on+0xbd/0x310 [ 410.888493] ? kasan_check_read+0x11/0x20 [ 410.892643] ? __kthread_parkme+0xce/0x1a0 [ 410.896881] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.902340] ? kasan_check_write+0x14/0x20 [ 410.906576] ? do_raw_spin_lock+0xc1/0x200 [ 410.910819] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.915924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.921484] ? __kthread_parkme+0xfb/0x1a0 [ 410.925733] kthread+0x35a/0x420 [ 410.929099] ? process_one_work+0x1b90/0x1b90 [ 410.933593] ? kthread_bind+0x40/0x40 [ 410.937404] ret_from_fork+0x3a/0x50 [ 410.941148] warn_alloc_show_mem: 1 callbacks suppressed [ 410.941159] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 410.941161] Mem-Info: [ 410.941191] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 410.941191] active_file:14 inactive_file:13 isolated_file:0 [ 410.941191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.941191] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 410.941191] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 410.941191] free:13770 free_pcp:433 free_cma:0 [ 410.946551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.953949] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.956348] Call Trace: [ 410.989388] Node 0 [ 410.998735] [ 411.026328] 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 [ 411.028890] dump_stack+0x1c4/0x2b4 [ 411.031093] lowmem_reserve[]: 0 [ 411.033258] ? dump_stack_print_info.cold.2+0x52/0x52 [ 411.058747] 2819 6323 [ 411.062396] warn_alloc.cold.119+0xb7/0x1bd [ 411.065653] 6323 [ 411.070841] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.077651] ? lock_downgrade+0x900/0x900 [ 411.079691] Node 0 [ 411.084537] ? trace_hardirqs_off+0xb8/0x310 [ 411.088679] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 411.090894] ? trace_hardirqs_off+0xb8/0x310 [ 411.095271] lowmem_reserve[]: 0 [ 411.122255] __alloc_pages_slowpath+0x2667/0x2d80 [ 411.126628] 0 3503 [ 411.129941] ? warn_alloc+0x120/0x120 [ 411.134733] 3503 [ 411.136971] ? warn_alloc+0x120/0x120 [ 411.142801] ? print_usage_bug+0xc0/0xc0 [ 411.146578] Node 0 [ 411.150627] ? warn_alloc+0x120/0x120 [ 411.150658] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 411.150665] lowmem_reserve[]: [ 411.152898] ? print_usage_bug+0xc0/0xc0 [ 411.156669] 0 0 [ 411.185219] ? __lock_acquire+0x7ec/0x4ec0 [ 411.188302] 0 [ 411.192356] ? __lock_acquire+0x7ec/0x4ec0 [ 411.194301] 0 [ 411.198541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.200318] Node 0 [ 411.204547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.206327] DMA: [ 411.211862] ? should_fail+0x22d/0xd01 [ 411.214077] 1*4kB [ 411.219607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.221645] (U) [ 411.225528] ? __lock_acquire+0x7ec/0x4ec0 [ 411.227654] 0*8kB [ 411.232752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.234699] 0*16kB 1*32kB [ 411.238937] ? __lock_acquire+0x7ec/0x4ec0 [ 411.241064] (U) [ 411.246159] ? should_fail+0x22d/0xd01 [ 411.248981] 2*64kB [ 411.253217] ? mark_held_locks+0x130/0x130 [ 411.255167] (U) [ 411.259050] ? mark_held_locks+0x130/0x130 [ 411.261264] 1*128kB [ 411.265495] ? graph_lock+0x170/0x170 [ 411.267448] (U) 1*256kB [ 411.271691] ? print_usage_bug+0xc0/0xc0 [ 411.274003] (U) [ 411.277795] ? graph_lock+0x170/0x170 [ 411.280445] 0*512kB [ 411.284500] ? print_usage_bug+0xc0/0xc0 [ 411.284516] ? wq_watchdog_touch+0x9c/0xfe [ 411.286481] 1*1024kB [ 411.290278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.292576] (U) [ 411.296634] ? check_preemption_disabled+0x48/0x200 [ 411.300845] 1*2048kB [ 411.303250] ? check_preemption_disabled+0x48/0x200 [ 411.308761] (M) [ 411.310747] ? __lock_is_held+0xb5/0x140 [ 411.315733] 3*4096kB [ 411.318147] __alloc_pages_nodemask+0xa80/0xde0 [ 411.323138] (M) [ 411.325111] ? graph_lock+0x170/0x170 [ 411.329155] = 15908kB [ 411.331557] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.336199] Node 0 [ 411.338171] ? graph_lock+0x170/0x170 [ 411.341950] DMA32: [ 411.344361] ? find_held_lock+0x36/0x1c0 [ 411.349345] 5*4kB [ 411.351580] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.355348] (UMH) [ 411.357577] ? lock_downgrade+0x900/0x900 [ 411.361623] 2*8kB (MH) [ 411.363780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.368420] 3*16kB [ 411.370567] cache_grow_begin+0x91/0x8c0 [ 411.374686] (MH) [ 411.377270] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.382778] 3*32kB (MH) [ 411.385028] fallback_alloc+0x203/0x2e0 [ 411.389053] 5*64kB (MH) [ 411.391122] ____cache_alloc_node+0x1c7/0x1e0 [ 411.395533] 3*128kB [ 411.398203] kmem_cache_alloc_node+0xe3/0x730 [ 411.402152] (M) [ 411.404819] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.409300] 5*256kB (UMH) [ 411.411653] __alloc_skb+0x119/0x770 [ 411.416121] 5*512kB [ 411.418099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.422304] (UMH) [ 411.425143] ? skb_scrub_packet+0x490/0x490 [ 411.428832] 4*1024kB [ 411.431164] ? lock_downgrade+0x900/0x900 [ 411.436427] (UMH) [ 411.438577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.442873] 2*2048kB [ 411.445281] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.449399] (M) [ 411.451545] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.457053] 3*4096kB (M) [ 411.459476] ? addrconf_rs_timer+0x690/0x690 [ 411.464897] = 25204kB [ 411.464906] Node 0 [ 411.466887] ndisc_alloc_skb+0x144/0x340 [ 411.472303] Normal: [ 411.475055] ndisc_send_rs+0x331/0x6e0 [ 411.479440] 990*4kB [ 411.481844] addrconf_rs_timer+0x314/0x690 [ 411.484055] (UMEH) [ 411.488109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.490407] 505*8kB (MEH) [ 411.494316] call_timer_fn+0x272/0x920 [ 411.496686] 189*16kB (MEH) 66*32kB (UMH) 0*64kB 1*128kB (H) 1*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 411.496732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.496738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.496740] 5170 total pagecache pages [ 411.496750] 0 pages in swap cache [ 411.496755] Swap cache stats: add 0, delete 0, find 0/0 [ 411.496758] Free swap = 0kB [ 411.496761] Total swap = 0kB [ 411.496765] 1965979 pages RAM [ 411.496767] 0 pages HighMem/MovableOnly [ 411.496770] 342306 pages reserved [ 411.496773] 0 pages cma reserved [ 411.496829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.496878] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.496883] kworker/0:2 cpuset=/ mems_allowed=0 [ 411.596807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.601050] ? process_timeout+0x40/0x40 [ 411.605115] ? find_held_lock+0x36/0x1c0 [ 411.609187] ? __run_timers+0x7da/0xc70 [ 411.613169] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.617666] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.622162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.626398] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 411.630984] ? trace_hardirqs_on+0xbd/0x310 [ 411.635312] ? kasan_check_read+0x11/0x20 [ 411.639500] ? __run_timers+0x7da/0xc70 [ 411.643493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.648951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.653192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.657481] __run_timers+0x7e5/0xc70 [ 411.661303] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 411.666675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.671706] ? graph_lock+0x170/0x170 [ 411.675515] ? enqueue_hrtimer+0x1a5/0x560 [ 411.679749] ? lock_release+0x970/0x970 [ 411.683725] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.688925] ? find_held_lock+0x36/0x1c0 [ 411.693002] ? graph_lock+0x170/0x170 [ 411.696807] ? pvclock_read_flags+0x160/0x160 [ 411.701304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.706851] ? check_preemption_disabled+0x48/0x200 [ 411.711881] ? __lock_is_held+0xb5/0x140 [ 411.715945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.721503] ? check_preemption_disabled+0x48/0x200 [ 411.726534] run_timer_softirq+0x52/0xb0 [ 411.730603] ? rcu_read_lock_sched_held+0x108/0x120 [ 411.735627] __do_softirq+0x30b/0xad8 [ 411.739443] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 411.744560] ? pvclock_read_flags+0x160/0x160 [ 411.749058] ? lapic_next_event+0x5a/0x90 [ 411.753210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.758750] ? check_preemption_disabled+0x48/0x200 [ 411.763767] ? check_preemption_disabled+0x48/0x200 [ 411.768790] ? kvm_clock_read+0x18/0x30 [ 411.772770] ? kvm_sched_clock_read+0x9/0x20 [ 411.777182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.782722] ? check_preemption_disabled+0x48/0x200 [ 411.787767] irq_exit+0x17f/0x1c0 [ 411.791223] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.796066] ? smp_reschedule_interrupt+0x109/0x650 [ 411.801093] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.806980] ? interrupt_entry+0xb5/0xf0 [ 411.811052] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.816071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.821094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.825941] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.830959] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.835979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.841524] ? check_preemption_disabled+0x48/0x200 [ 411.846554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.852104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.856959] apic_timer_interrupt+0xf/0x20 [ 411.861191] [ 411.863433] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.868370] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 411.887272] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.894985] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.902287] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 411.909559] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 411.916829] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.924100] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 411.931419] skb_clone+0x1bb/0x500 [ 411.934964] ? finish_task_switch+0x2f5/0x900 [ 411.939477] ? skb_split+0x11e0/0x11e0 [ 411.943367] ? preempt_notifier_register+0x200/0x200 [ 411.948478] ? __switch_to_asm+0x34/0x70 [ 411.952546] ? __switch_to_asm+0x34/0x70 [ 411.956612] ? __switch_to_asm+0x40/0x70 [ 411.960673] ? __switch_to_asm+0x34/0x70 [ 411.964735] ? __switch_to_asm+0x40/0x70 [ 411.968795] ? __switch_to_asm+0x34/0x70 [ 411.972858] ? __switch_to_asm+0x40/0x70 [ 411.976920] ? __switch_to_asm+0x34/0x70 [ 411.980982] ? __switch_to_asm+0x34/0x70 [ 411.985052] ? __switch_to_asm+0x40/0x70 [ 411.989115] ? __switch_to_asm+0x34/0x70 [ 411.993188] bpf_clone_redirect+0xb9/0x490 [ 411.997426] ? __schedule+0x874/0x1ed0 [ 412.001325] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 412.006349] ? __sched_text_start+0x8/0x8 [ 412.010522] ? find_held_lock+0x36/0x1c0 [ 412.014596] ? lock_acquire+0x1ed/0x520 [ 412.018573] ? bpf_test_run+0x3cb/0x780 [ 412.022556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.028095] ? check_preemption_disabled+0x48/0x200 [ 412.033122] ? kasan_check_read+0x11/0x20 [ 412.037275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.042558] ? rcu_bh_qs+0xc0/0xc0 [ 412.046100] ? preempt_schedule+0x4d/0x60 [ 412.050251] ? ___preempt_schedule+0x16/0x18 [ 412.054673] ? bpf_test_run+0x25d/0x780 [ 412.058664] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.063083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.068630] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 412.073399] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.078243] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.083779] ? fput+0x130/0x1a0 [ 412.087061] ? __bpf_prog_get+0x9b/0x290 [ 412.091127] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.095970] ? bpf_prog_test_run+0x130/0x1a0 [ 412.100386] ? __x64_sys_bpf+0x3d8/0x520 [ 412.104451] ? bpf_prog_get+0x20/0x20 [ 412.108281] ? do_syscall_64+0x1b9/0x820 [ 412.112365] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.117734] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.122691] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.127711] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.132732] ? recalc_sigpending_tsk+0x180/0x180 [ 412.137501] ? kasan_check_write+0x14/0x20 [ 412.141749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.146604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.151991] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 412.152078] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.159098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.159120] Workqueue: events_power_efficient neigh_periodic_work [ 412.165722] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.181151] syz-executor2 cpuset= [ 412.191616] Call Trace: [ 412.191625] syz2 [ 412.195064] [ 412.197642] mems_allowed=0 [ 412.199615] dump_stack+0x1c4/0x2b4 [ 412.208277] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.213494] warn_alloc.cold.119+0xb7/0x1bd [ 412.217821] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.222675] ? lock_downgrade+0x900/0x900 [ 412.226831] ? trace_hardirqs_off+0xb8/0x310 [ 412.231252] ? trace_hardirqs_off+0xb8/0x310 [ 412.235671] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.240552] ? warn_alloc+0x120/0x120 [ 412.244362] ? warn_alloc+0x120/0x120 [ 412.248165] ? print_usage_bug+0xc0/0xc0 [ 412.252231] ? warn_alloc+0x120/0x120 [ 412.256031] ? lock_release+0x970/0x970 [ 412.260009] ? print_usage_bug+0xc0/0xc0 [ 412.264078] ? __lock_acquire+0x7ec/0x4ec0 [ 412.268324] ? __lock_acquire+0x7ec/0x4ec0 [ 412.272562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.278099] ? should_fail+0x22d/0xd01 [ 412.281994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.287102] ? __lock_acquire+0x7ec/0x4ec0 [ 412.291350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.296451] ? __lock_acquire+0x7ec/0x4ec0 [ 412.300697] ? should_fail+0x22d/0xd01 [ 412.304596] ? mark_held_locks+0x130/0x130 [ 412.308840] ? mark_held_locks+0x130/0x130 [ 412.313080] ? kvm_clock_read+0x18/0x30 [ 412.317057] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.322073] ? ktime_get+0x2e1/0x440 [ 412.325793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.331334] ? graph_lock+0x170/0x170 [ 412.335139] ? print_usage_bug+0xc0/0xc0 [ 412.339207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.344748] ? check_preemption_disabled+0x48/0x200 [ 412.349763] ? check_preemption_disabled+0x48/0x200 [ 412.354793] ? __lock_is_held+0xb5/0x140 [ 412.358864] __alloc_pages_nodemask+0xa80/0xde0 [ 412.363535] ? graph_lock+0x170/0x170 [ 412.367812] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.372832] ? graph_lock+0x170/0x170 [ 412.376649] ? find_held_lock+0x36/0x1c0 [ 412.380726] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.385396] ? lock_downgrade+0x900/0x900 [ 412.389554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.395103] cache_grow_begin+0x91/0x8c0 [ 412.399171] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.403594] fallback_alloc+0x203/0x2e0 [ 412.407583] ____cache_alloc_node+0x1c7/0x1e0 [ 412.412087] kmem_cache_alloc_node+0xe3/0x730 [ 412.416593] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.420846] __alloc_skb+0x119/0x770 [ 412.424571] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.429871] ? skb_scrub_packet+0x490/0x490 [ 412.434203] ? lock_downgrade+0x900/0x900 [ 412.438370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.443911] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.449372] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.454828] ? addrconf_rs_timer+0x690/0x690 [ 412.459249] ndisc_alloc_skb+0x144/0x340 [ 412.463317] ndisc_send_rs+0x331/0x6e0 [ 412.467214] addrconf_rs_timer+0x314/0x690 [ 412.471458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.475723] call_timer_fn+0x272/0x920 [ 412.479610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.483860] ? process_timeout+0x40/0x40 [ 412.487921] ? find_held_lock+0x36/0x1c0 [ 412.491992] ? mark_held_locks+0xc7/0x130 [ 412.496147] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.500644] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.505143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.509382] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.513970] ? trace_hardirqs_on+0xbd/0x310 [ 412.518295] ? kasan_check_read+0x11/0x20 [ 412.522447] ? __run_timers+0x7da/0xc70 [ 412.526437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.531905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.536150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.540389] __run_timers+0x7e5/0xc70 [ 412.544205] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.549572] ? lock_downgrade+0x900/0x900 [ 412.553733] ? print_usage_bug+0xc0/0xc0 [ 412.557795] ? trace_hardirqs_on+0x310/0x310 [ 412.562219] ? kvm_clock_read+0x18/0x30 [ 412.566197] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.571218] ? graph_lock+0x170/0x170 [ 412.575023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.580569] ? check_preemption_disabled+0x48/0x200 [ 412.585599] ? __lock_is_held+0xb5/0x140 [ 412.589662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.595204] ? check_preemption_disabled+0x48/0x200 [ 412.600231] run_timer_softirq+0x52/0xb0 [ 412.604297] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.609317] __do_softirq+0x30b/0xad8 [ 412.613133] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.618243] ? irq_exit+0xbd/0x1c0 [ 412.621788] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 412.626807] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.632696] ? ret_from_intr+0xb/0x1e [ 412.636512] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.641531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.646380] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.651401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.656964] ? check_preemption_disabled+0x48/0x200 [ 412.661980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.667530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.672379] ? neigh_periodic_work+0x6bd/0xc60 [ 412.676965] do_softirq_own_stack+0x2a/0x40 [ 412.681279] [ 412.683523] do_softirq.part.13+0x126/0x160 [ 412.687850] __local_bh_enable_ip+0x21d/0x260 [ 412.692356] _raw_write_unlock_bh+0x30/0x40 [ 412.696684] neigh_periodic_work+0x6bd/0xc60 [ 412.701110] ? neigh_table_clear+0x390/0x390 [ 412.705527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.711069] ? check_preemption_disabled+0x48/0x200 [ 412.716087] ? check_preemption_disabled+0x48/0x200 [ 412.721120] ? __lock_is_held+0xb5/0x140 [ 412.725202] process_one_work+0xc90/0x1b90 [ 412.729437] ? mark_held_locks+0x130/0x130 [ 412.733689] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 412.738363] ? __switch_to_asm+0x40/0x70 [ 412.742424] ? __switch_to_asm+0x40/0x70 [ 412.746505] ? __switch_to_asm+0x34/0x70 [ 412.750569] ? __switch_to_asm+0x40/0x70 [ 412.754635] ? __switch_to_asm+0x34/0x70 [ 412.758697] ? __switch_to_asm+0x40/0x70 [ 412.762761] ? __switch_to_asm+0x34/0x70 [ 412.766820] ? __switch_to_asm+0x40/0x70 [ 412.770892] ? __schedule+0x874/0x1ed0 [ 412.774785] ? __switch_to_asm+0x34/0x70 [ 412.778847] ? __switch_to_asm+0x40/0x70 [ 412.782924] ? kasan_check_read+0x11/0x20 [ 412.787513] ? graph_lock+0x170/0x170 [ 412.791320] ? __sched_text_start+0x8/0x8 [ 412.795480] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.800072] ? retint_kernel+0x2d/0x2d [ 412.803965] ? find_held_lock+0x36/0x1c0 [ 412.808036] ? lock_acquire+0x1ed/0x520 [ 412.812010] ? worker_thread+0x3e0/0x1390 [ 412.816165] ? lock_release+0x970/0x970 [ 412.820141] ? trace_hardirqs_off+0xb8/0x310 [ 412.824556] ? kasan_check_read+0x11/0x20 [ 412.828715] ? worker_thread+0x3e0/0x1390 [ 412.832865] ? trace_hardirqs_on+0x310/0x310 [ 412.837284] ? kasan_check_write+0x14/0x20 [ 412.841527] ? do_raw_spin_lock+0xc1/0x200 [ 412.845777] worker_thread+0x17f/0x1390 [ 412.849754] ? __switch_to_asm+0x34/0x70 [ 412.853833] ? process_one_work+0x1b90/0x1b90 [ 412.858340] ? graph_lock+0x170/0x170 [ 412.862141] ? graph_lock+0x170/0x170 [ 412.865946] ? find_held_lock+0x36/0x1c0 [ 412.870020] ? find_held_lock+0x36/0x1c0 [ 412.874095] ? __kthread_parkme+0xce/0x1a0 [ 412.878334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.883441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.888557] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.893140] ? trace_hardirqs_on+0xbd/0x310 [ 412.897475] ? kasan_check_read+0x11/0x20 [ 412.901628] ? __kthread_parkme+0xce/0x1a0 [ 412.905864] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.911318] ? kasan_check_write+0x14/0x20 [ 412.915557] ? do_raw_spin_lock+0xc1/0x200 [ 412.919802] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.924909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.930447] ? __kthread_parkme+0xfb/0x1a0 [ 412.934696] kthread+0x35a/0x420 [ 412.938064] ? process_one_work+0x1b90/0x1b90 [ 412.942563] ? kthread_bind+0x40/0x40 [ 412.946368] ret_from_fork+0x3a/0x50 [ 412.950107] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 412.950113] warn_alloc_show_mem: 1 callbacks suppressed [ 412.950120] Mem-Info: [ 412.957490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.962866] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 412.962866] active_file:14 inactive_file:13 isolated_file:0 [ 412.962866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.962866] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 412.962866] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 412.962866] free:13770 free_pcp:433 free_cma:0 [ 412.965241] Call Trace: [ 412.974629] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.007650] [ 413.010239] Node 0 [ 413.037830] dump_stack+0x1c4/0x2b4 [ 413.039975] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 413.042182] ? dump_stack_print_info.cold.2+0x52/0x52 [ 413.045813] lowmem_reserve[]: [ 413.071325] warn_alloc.cold.119+0xb7/0x1bd [ 413.076492] 0 [ 413.079592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.083887] 2819 [ 413.085686] ? lock_downgrade+0x900/0x900 [ 413.090504] 6323 [ 413.092566] ? trace_hardirqs_off+0xb8/0x310 [ 413.096677] 6323 [ 413.098746] ? trace_hardirqs_off+0xb8/0x310 [ 413.103130] Node 0 [ 413.105192] __alloc_pages_slowpath+0x2667/0x2d80 [ 413.109598] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.111846] ? warn_alloc+0x120/0x120 [ 413.116640] lowmem_reserve[]: [ 413.143613] ? trace_hardirqs_on+0x310/0x310 [ 413.147384] 0 0 [ 413.150510] ? warn_alloc+0x120/0x120 [ 413.154891] 3503 3503 [ 413.156871] ? print_usage_bug+0xc0/0xc0 [ 413.160648] Node 0 [ 413.163144] ? warn_alloc+0x120/0x120 [ 413.167234] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 413.169426] ? ktime_get+0x2e1/0x440 [ 413.173198] lowmem_reserve[]: 0 [ 413.201762] ? print_usage_bug+0xc0/0xc0 [ 413.205486] 0 [ 413.208761] ? __lock_acquire+0x7ec/0x4ec0 [ 413.212791] 0 0 [ 413.214602] ? __lock_acquire+0x7ec/0x4ec0 [ 413.218820] Node 0 [ 413.220793] ? kasan_check_read+0x11/0x20 [ 413.224992] DMA: 1*4kB [ 413.227233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.231353] (U) [ 413.233934] ? should_fail+0x22d/0xd01 [ 413.239445] 0*8kB [ 413.241424] ? rcu_bh_qs+0xc0/0xc0 [ 413.245285] 0*16kB [ 413.247430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.250941] 1*32kB (U) [ 413.253182] ? __lock_acquire+0x7ec/0x4ec0 [ 413.258263] 2*64kB [ 413.260841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.265049] (U) [ 413.267279] ? __lock_acquire+0x7ec/0x4ec0 [ 413.272356] 1*128kB (U) [ 413.274336] ? should_fail+0x22d/0xd01 [ 413.278543] 1*256kB (U) [ 413.281219] ? rcu_idle_enter+0x4b0/0x4b0 [ 413.285077] 0*512kB 1*1024kB [ 413.287766] ? mark_held_locks+0x130/0x130 [ 413.291884] (U) [ 413.294986] ? mark_held_locks+0x130/0x130 [ 413.299199] 1*2048kB [ 413.301175] ? mark_held_locks+0xc7/0x130 [ 413.305385] (M) [ 413.307796] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.311919] 3*4096kB [ 413.313890] ? graph_lock+0x170/0x170 [ 413.318881] (M) [ 413.321287] ? print_usage_bug+0xc0/0xc0 [ 413.325063] = 15908kB [ 413.327047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.331083] Node 0 [ 413.333495] ? check_preemption_disabled+0x48/0x200 [ 413.339009] DMA32: [ 413.341245] ? check_preemption_disabled+0x48/0x200 [ 413.346242] 5*4kB [ 413.348502] ? __lock_is_held+0xb5/0x140 [ 413.353505] (UMH) [ 413.355658] __alloc_pages_nodemask+0xa80/0xde0 [ 413.359688] 2*8kB [ 413.361834] ? graph_lock+0x170/0x170 [ 413.366486] (MH) [ 413.368636] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.372410] 3*16kB [ 413.374477] ? graph_lock+0x170/0x170 [ 413.379478] (MH) [ 413.381721] ? find_held_lock+0x36/0x1c0 [ 413.385509] 3*32kB (MH) [ 413.387583] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.391607] 5*64kB (MH) [ 413.394283] ? lock_downgrade+0x900/0x900 [ 413.398925] 3*128kB (M) [ 413.401609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.405731] 5*256kB [ 413.408423] cache_grow_begin+0x91/0x8c0 [ 413.413949] (UMH) [ 413.416267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.420309] 5*512kB [ 413.422493] fallback_alloc+0x203/0x2e0 [ 413.426879] (UMH) [ 413.429206] ____cache_alloc_node+0x1c7/0x1e0 [ 413.433152] 4*1024kB [ 413.435298] kmem_cache_alloc_node+0xe3/0x730 [ 413.439764] (UMH) [ 413.442174] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.446644] 2*2048kB [ 413.448795] __alloc_skb+0x119/0x770 [ 413.452992] (M) 3*4096kB [ 413.455408] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.459091] (M) [ 413.461845] ? skb_scrub_packet+0x490/0x490 [ 413.467092] = 25204kB [ 413.467100] Node 0 [ 413.469073] ? lock_downgrade+0x900/0x900 [ 413.473367] Normal: [ 413.475776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.477984] 990*4kB [ 413.482130] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.484432] (UMEH) [ 413.489961] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.492254] 505*8kB (MEH) [ 413.498191] ? addrconf_rs_timer+0x690/0x690 [ 413.500410] 189*16kB [ 413.505864] ndisc_alloc_skb+0x144/0x340 [ 413.508678] (MEH) [ 413.513082] ndisc_send_rs+0x331/0x6e0 [ 413.515478] 66*32kB [ 413.519535] addrconf_rs_timer+0x314/0x690 [ 413.521654] (UMH) 0*64kB [ 413.525548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.527849] 1*128kB [ 413.532090] call_timer_fn+0x272/0x920 [ 413.534813] (H) [ 413.539040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.541341] 1*256kB (H) [ 413.545233] ? process_timeout+0x40/0x40 [ 413.547181] 1*512kB (H) [ 413.551420] ? find_held_lock+0x36/0x1c0 [ 413.554063] 0*1024kB 0*2048kB [ 413.558132] ? __run_timers+0x7da/0xc70 [ 413.560774] 0*4096kB [ 413.564829] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.567991] = 14032kB [ 413.568006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.571971] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.574362] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.578846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.581238] 5170 total pagecache pages [ 413.590068] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.594552] 0 pages in swap cache [ 413.603113] ? trace_hardirqs_on+0xbd/0x310 [ 413.607325] Swap cache stats: add 0, delete 0, find 0/0 [ 413.607333] Free swap = 0kB [ 413.611210] ? kasan_check_read+0x11/0x20 [ 413.611228] ? __run_timers+0x7da/0xc70 [ 413.615784] Total swap = 0kB [ 413.619231] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.623527] 1965979 pages RAM [ 413.628886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.631883] 0 pages HighMem/MovableOnly [ 413.636030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.639975] 342306 pages reserved [ 413.639983] 0 pages cma reserved [ 413.643007] __run_timers+0x7e5/0xc70 [ 413.648508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.651536] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.651554] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.655827] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.659740] ? graph_lock+0x170/0x170 [ 413.663951] kworker/0:2 cpuset= [ 413.667398] ? enqueue_hrtimer+0x1a5/0x560 [ 413.670737] / [ 413.674536] ? lock_release+0x970/0x970 [ 413.681010] mems_allowed=0 [ 413.686365] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.726701] ? find_held_lock+0x36/0x1c0 [ 413.730771] ? graph_lock+0x170/0x170 [ 413.734576] ? pvclock_read_flags+0x160/0x160 [ 413.739079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.744709] ? check_preemption_disabled+0x48/0x200 [ 413.749741] ? __lock_is_held+0xb5/0x140 [ 413.753808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.759348] ? check_preemption_disabled+0x48/0x200 [ 413.764380] run_timer_softirq+0x52/0xb0 [ 413.768442] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.773480] __do_softirq+0x30b/0xad8 [ 413.777301] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.782412] ? pvclock_read_flags+0x160/0x160 [ 413.786917] ? lapic_next_event+0x5a/0x90 [ 413.791068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.796619] ? check_preemption_disabled+0x48/0x200 [ 413.801642] ? check_preemption_disabled+0x48/0x200 [ 413.806669] ? kvm_clock_read+0x18/0x30 [ 413.810645] ? kvm_sched_clock_read+0x9/0x20 [ 413.815059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.820602] ? check_preemption_disabled+0x48/0x200 [ 413.825632] irq_exit+0x17f/0x1c0 [ 413.829094] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.833935] ? smp_reschedule_interrupt+0x109/0x650 [ 413.838954] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.844847] ? interrupt_entry+0xb5/0xf0 [ 413.848913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.853933] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.858951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.863796] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.868811] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.873832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.879376] ? check_preemption_disabled+0x48/0x200 [ 413.884395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.889942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.894792] apic_timer_interrupt+0xf/0x20 [ 413.899021] [ 413.901262] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.906196] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 413.925095] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.932805] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.940073] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 413.947345] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 413.954613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.961884] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 413.969201] skb_clone+0x1bb/0x500 [ 413.972744] ? finish_task_switch+0x2f5/0x900 [ 413.977243] ? skb_split+0x11e0/0x11e0 [ 413.981133] ? preempt_notifier_register+0x200/0x200 [ 413.986236] ? __switch_to_asm+0x34/0x70 [ 413.990302] ? __switch_to_asm+0x34/0x70 [ 413.994363] ? __switch_to_asm+0x40/0x70 [ 413.998428] ? __switch_to_asm+0x34/0x70 [ 414.002497] ? __switch_to_asm+0x40/0x70 [ 414.006558] ? __switch_to_asm+0x34/0x70 [ 414.010622] ? __switch_to_asm+0x40/0x70 [ 414.014683] ? __switch_to_asm+0x34/0x70 [ 414.018745] ? __switch_to_asm+0x34/0x70 [ 414.022811] ? __switch_to_asm+0x40/0x70 [ 414.026870] ? __switch_to_asm+0x34/0x70 [ 414.030944] bpf_clone_redirect+0xb9/0x490 [ 414.035182] ? __schedule+0x874/0x1ed0 [ 414.039080] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 414.044105] ? __sched_text_start+0x8/0x8 [ 414.048286] ? find_held_lock+0x36/0x1c0 [ 414.052406] ? lock_acquire+0x1ed/0x520 [ 414.056395] ? bpf_test_run+0x3cb/0x780 [ 414.060383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.065927] ? check_preemption_disabled+0x48/0x200 [ 414.070954] ? kasan_check_read+0x11/0x20 [ 414.075117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.080396] ? rcu_bh_qs+0xc0/0xc0 [ 414.083943] ? preempt_schedule+0x4d/0x60 [ 414.088099] ? ___preempt_schedule+0x16/0x18 [ 414.092521] ? bpf_test_run+0x25d/0x780 [ 414.096520] ? netlink_diag_dump+0x2a0/0x2a0 [ 414.100940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.106499] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 414.111269] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.116115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.121657] ? fput+0x130/0x1a0 [ 414.124940] ? __bpf_prog_get+0x9b/0x290 [ 414.129011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.133854] ? bpf_prog_test_run+0x130/0x1a0 [ 414.138267] ? __x64_sys_bpf+0x3d8/0x520 [ 414.142333] ? bpf_prog_get+0x20/0x20 [ 414.146160] ? do_syscall_64+0x1b9/0x820 [ 414.150224] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.155597] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.160534] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.165556] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 414.170573] ? recalc_sigpending_tsk+0x180/0x180 [ 414.175361] ? kasan_check_write+0x14/0x20 [ 414.179608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.184463] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.189858] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 414.189940] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.196959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.196980] Workqueue: events_power_efficient neigh_periodic_work [ 414.196988] Call Trace: [ 414.196996] [ 414.197014] dump_stack+0x1c4/0x2b4 [ 414.197032] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.203902] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.212872] warn_alloc.cold.119+0xb7/0x1bd [ 414.212890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.219457] syz-executor2 cpuset= [ 414.222043] ? lock_downgrade+0x900/0x900 [ 414.222067] ? trace_hardirqs_off+0xb8/0x310 [ 414.224457] syz2 [ 414.228018] ? trace_hardirqs_off+0xb8/0x310 [ 414.228040] __alloc_pages_slowpath+0x2667/0x2d80 [ 414.228086] ? warn_alloc+0x120/0x120 [ 414.228107] ? warn_alloc+0x120/0x120 [ 414.228124] ? print_usage_bug+0xc0/0xc0 [ 414.228139] ? warn_alloc+0x120/0x120 [ 414.228153] ? print_usage_bug+0xc0/0xc0 [ 414.233638] mems_allowed=0 [ 414.244127] ? __lock_acquire+0x7ec/0x4ec0 [ 414.303016] ? __lock_acquire+0x7ec/0x4ec0 [ 414.307261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.312798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.318340] ? should_fail+0x22d/0xd01 [ 414.322234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.327340] ? __lock_acquire+0x7ec/0x4ec0 [ 414.331582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.336686] ? __lock_acquire+0x7ec/0x4ec0 [ 414.340918] ? should_fail+0x22d/0xd01 [ 414.344822] ? mark_held_locks+0x130/0x130 [ 414.349066] ? mark_held_locks+0x130/0x130 [ 414.353305] ? graph_lock+0x170/0x170 [ 414.357111] ? print_usage_bug+0xc0/0xc0 [ 414.361173] ? graph_lock+0x170/0x170 [ 414.364975] ? print_usage_bug+0xc0/0xc0 [ 414.369531] ? wq_watchdog_touch+0x9c/0xfe [ 414.373768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.379311] ? check_preemption_disabled+0x48/0x200 [ 414.384326] ? check_preemption_disabled+0x48/0x200 [ 414.389361] ? __lock_is_held+0xb5/0x140 [ 414.393438] __alloc_pages_nodemask+0xa80/0xde0 [ 414.398123] ? graph_lock+0x170/0x170 [ 414.401930] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.406944] ? graph_lock+0x170/0x170 [ 414.410756] ? find_held_lock+0x36/0x1c0 [ 414.414831] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.419509] ? lock_downgrade+0x900/0x900 [ 414.423673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.429219] cache_grow_begin+0x91/0x8c0 [ 414.433287] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.437709] fallback_alloc+0x203/0x2e0 [ 414.441728] ____cache_alloc_node+0x1c7/0x1e0 [ 414.446247] kmem_cache_alloc_node+0xe3/0x730 [ 414.450745] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.454990] __alloc_skb+0x119/0x770 [ 414.458712] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.463997] ? skb_scrub_packet+0x490/0x490 [ 414.468324] ? lock_downgrade+0x900/0x900 [ 414.472497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.478042] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.483511] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.488965] ? addrconf_rs_timer+0x690/0x690 [ 414.493387] ndisc_alloc_skb+0x144/0x340 [ 414.497456] ndisc_send_rs+0x331/0x6e0 [ 414.501365] addrconf_rs_timer+0x314/0x690 [ 414.505610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.509862] call_timer_fn+0x272/0x920 [ 414.513749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.517987] ? process_timeout+0x40/0x40 [ 414.522052] ? find_held_lock+0x36/0x1c0 [ 414.526124] ? mark_held_locks+0xc7/0x130 [ 414.530276] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.534775] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.539269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.543511] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 414.548100] ? trace_hardirqs_on+0xbd/0x310 [ 414.552424] ? kasan_check_read+0x11/0x20 [ 414.556577] ? __run_timers+0x7da/0xc70 [ 414.560554] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.566010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.570254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.574502] __run_timers+0x7e5/0xc70 [ 414.578324] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 414.583690] ? lock_downgrade+0x900/0x900 [ 414.587854] ? print_usage_bug+0xc0/0xc0 [ 414.591915] ? trace_hardirqs_on+0x310/0x310 [ 414.596343] ? kvm_clock_read+0x18/0x30 [ 414.600318] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 414.605344] ? graph_lock+0x170/0x170 [ 414.609151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.614695] ? check_preemption_disabled+0x48/0x200 [ 414.619724] ? __lock_is_held+0xb5/0x140 [ 414.623787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.629325] ? check_preemption_disabled+0x48/0x200 [ 414.634357] run_timer_softirq+0x52/0xb0 [ 414.638420] ? rcu_read_lock_sched_held+0x108/0x120 [ 414.643438] __do_softirq+0x30b/0xad8 [ 414.647275] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 414.652378] ? irq_exit+0xbd/0x1c0 [ 414.655920] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 414.660938] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.666827] ? ret_from_intr+0xb/0x1e [ 414.670649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.675669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.680520] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.685539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.691083] ? check_preemption_disabled+0x48/0x200 [ 414.696103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.701649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.706510] ? neigh_periodic_work+0x6bd/0xc60 [ 414.711099] do_softirq_own_stack+0x2a/0x40 [ 414.715413] [ 414.717657] do_softirq.part.13+0x126/0x160 [ 414.721991] __local_bh_enable_ip+0x21d/0x260 [ 414.726512] _raw_write_unlock_bh+0x30/0x40 [ 414.730840] neigh_periodic_work+0x6bd/0xc60 [ 414.735261] ? neigh_table_clear+0x390/0x390 [ 414.739673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.745217] ? check_preemption_disabled+0x48/0x200 [ 414.750233] ? check_preemption_disabled+0x48/0x200 [ 414.755265] ? __lock_is_held+0xb5/0x140 [ 414.759343] process_one_work+0xc90/0x1b90 [ 414.763581] ? mark_held_locks+0x130/0x130 [ 414.767832] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 414.772512] ? __switch_to_asm+0x40/0x70 [ 414.776580] ? __switch_to_asm+0x40/0x70 [ 414.780641] ? __switch_to_asm+0x34/0x70 [ 414.784706] ? __switch_to_asm+0x40/0x70 [ 414.788768] ? __switch_to_asm+0x34/0x70 [ 414.792839] ? __switch_to_asm+0x40/0x70 [ 414.796903] ? __switch_to_asm+0x34/0x70 [ 414.800963] ? __switch_to_asm+0x40/0x70 [ 414.805036] ? __schedule+0x874/0x1ed0 [ 414.808928] ? __switch_to_asm+0x34/0x70 [ 414.812993] ? __switch_to_asm+0x40/0x70 [ 414.817071] ? kasan_check_read+0x11/0x20 [ 414.821224] ? graph_lock+0x170/0x170 [ 414.825027] ? __sched_text_start+0x8/0x8 [ 414.829183] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.833768] ? retint_kernel+0x2d/0x2d [ 414.837663] ? find_held_lock+0x36/0x1c0 [ 414.841733] ? lock_acquire+0x1ed/0x520 [ 414.845713] ? worker_thread+0x3e0/0x1390 [ 414.849869] ? lock_release+0x970/0x970 [ 414.853850] ? trace_hardirqs_off+0xb8/0x310 [ 414.858259] ? kasan_check_read+0x11/0x20 [ 414.862409] ? worker_thread+0x3e0/0x1390 [ 414.866557] ? trace_hardirqs_on+0x310/0x310 [ 414.870974] ? kasan_check_write+0x14/0x20 [ 414.875214] ? do_raw_spin_lock+0xc1/0x200 [ 414.879456] worker_thread+0x17f/0x1390 [ 414.883446] ? __switch_to_asm+0x34/0x70 [ 414.887539] ? process_one_work+0x1b90/0x1b90 [ 414.892046] ? graph_lock+0x170/0x170 [ 414.895852] ? graph_lock+0x170/0x170 [ 414.899657] ? find_held_lock+0x36/0x1c0 [ 414.903733] ? find_held_lock+0x36/0x1c0 [ 414.907806] ? __kthread_parkme+0xce/0x1a0 [ 414.912046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.917150] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.922257] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.926840] ? trace_hardirqs_on+0xbd/0x310 [ 414.931163] ? kasan_check_read+0x11/0x20 [ 414.935314] ? __kthread_parkme+0xce/0x1a0 [ 414.939551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.945006] ? kasan_check_write+0x14/0x20 [ 414.949292] ? do_raw_spin_lock+0xc1/0x200 [ 414.953535] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.958640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.964180] ? __kthread_parkme+0xfb/0x1a0 [ 414.968421] kthread+0x35a/0x420 [ 414.971792] ? process_one_work+0x1b90/0x1b90 [ 414.976289] ? kthread_bind+0x40/0x40 [ 414.980096] ret_from_fork+0x3a/0x50 [ 414.983827] warn_alloc_show_mem: 1 callbacks suppressed [ 414.983839] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 414.983841] Mem-Info: [ 414.983871] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 414.983871] active_file:14 inactive_file:13 isolated_file:0 [ 414.983871] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.983871] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 414.983871] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 414.983871] free:13770 free_pcp:433 free_cma:0 [ 414.989215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.996580] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.998979] Call Trace: [ 415.032017] Node 0 [ 415.041359] [ 415.068992] 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 [ 415.071564] dump_stack+0x1c4/0x2b4 [ 415.073763] lowmem_reserve[]: 0 [ 415.075919] ? dump_stack_print_info.cold.2+0x52/0x52 [ 415.101389] 2819 6323 [ 415.105035] warn_alloc.cold.119+0xb7/0x1bd [ 415.108276] 6323 [ 415.113475] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.115952] Node 0 [ 415.120268] ? lock_downgrade+0x900/0x900 [ 415.122333] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 415.127148] ? trace_hardirqs_off+0xb8/0x310 [ 415.129349] lowmem_reserve[]: 0 [ 415.133509] ? trace_hardirqs_off+0xb8/0x310 [ 415.160460] 0 3503 [ 415.164896] __alloc_pages_slowpath+0x2667/0x2d80 [ 415.168136] 3503 [ 415.172579] ? warn_alloc+0x120/0x120 [ 415.174785] Node 0 [ 415.179623] ? __bfs+0xb0/0x7a0 [ 415.181688] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 415.185456] ? lock_pin_lock+0x350/0x350 [ 415.187668] lowmem_reserve[]: 0 [ 415.190954] ? warn_alloc+0x120/0x120 [ 415.219477] 0 0 [ 415.223555] ? print_usage_bug+0xc0/0xc0 [ 415.226798] 0 [ 415.230604] ? lock_pin_lock+0x350/0x350 [ 415.232556] Node 0 [ 415.236609] ? mark_held_locks+0x130/0x130 [ 415.238381] DMA: 1*4kB [ 415.242449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.244658] (U) [ 415.248888] ? should_fail+0x22d/0xd01 [ 415.251444] 0*8kB 0*16kB [ 415.257001] ? check_usage+0x1a9/0x790 [ 415.258948] 1*32kB [ 415.262834] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.265567] (U) [ 415.269452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.271656] 2*64kB (U) [ 415.276850] ? __lock_acquire+0x7ec/0x4ec0 [ 415.278798] 1*128kB (U) [ 415.283924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.286495] 1*256kB [ 415.290719] ? should_fail+0x22d/0xd01 [ 415.293365] (U) [ 415.298475] ? mark_held_locks+0x130/0x130 [ 415.300763] 0*512kB 1*1024kB [ 415.304654] ? mark_held_locks+0x130/0x130 [ 415.306605] (U) [ 415.310835] ? graph_lock+0x170/0x170 [ 415.313916] 1*2048kB (M) [ 415.318150] ? graph_lock+0x170/0x170 [ 415.320099] 3*4096kB (M) [ 415.323907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.326640] = 15908kB [ 415.330442] ? check_preemption_disabled+0x48/0x200 [ 415.333176] Node 0 [ 415.338708] ? check_preemption_disabled+0x48/0x200 [ 415.341088] DMA32: 5*4kB [ 415.346110] ? __lock_is_held+0xb5/0x140 [ 415.348321] (UMH) [ 415.353333] __alloc_pages_nodemask+0xa80/0xde0 [ 415.356061] 2*8kB (MH) [ 415.360124] ? graph_lock+0x170/0x170 [ 415.362249] 3*16kB (MH) [ 415.366921] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.369486] 3*32kB [ 415.373297] ? graph_lock+0x170/0x170 [ 415.375945] (MH) 5*64kB [ 415.380971] ? find_held_lock+0x36/0x1c0 [ 415.383176] (MH) [ 415.386977] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.389617] 3*128kB (M) [ 415.393682] ? lock_downgrade+0x900/0x900 [ 415.395718] 5*256kB (UMH) [ 415.400396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.403036] 5*512kB (UMH) [ 415.407195] cache_grow_begin+0x91/0x8c0 [ 415.410014] 4*1024kB [ 415.415552] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.418373] (UMH) [ 415.422434] fallback_alloc+0x203/0x2e0 [ 415.424810] 2*2048kB (M) [ 415.429223] ____cache_alloc_node+0x1c7/0x1e0 [ 415.431341] 3*4096kB (M) [ 415.435323] kmem_cache_alloc_node+0xe3/0x730 [ 415.438051] = 25204kB [ 415.438060] Node 0 [ 415.442551] ? mark_held_locks+0xc7/0x130 [ 415.445283] Normal: 990*4kB [ 415.449786] __alloc_skb+0x119/0x770 [ 415.452167] (UMEH) [ 415.454401] ? skb_scrub_packet+0x490/0x490 [ 415.458521] 505*8kB (MEH) [ 415.461544] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 415.465224] 189*16kB (MEH) [ 415.467473] ? queue_work_on+0x12c/0x1e0 [ 415.471762] 66*32kB (UMH) [ 415.474612] ? switchdev_port_obj_del+0xdc/0x450 [ 415.479167] 0*64kB [ 415.482099] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.486169] 1*128kB [ 415.489014] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.493745] (H) [ 415.495985] __br_mdb_notify+0x4ff/0x15d0 [ 415.501449] 1*256kB (H) [ 415.503790] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 415.508780] 1*512kB [ 415.510764] ? __br_mdb_add+0x7f0/0x7f0 [ 415.514877] (H) [ 415.517546] ? kasan_check_write+0x14/0x20 [ 415.522642] 0*1024kB [ 415.524960] ? do_raw_spin_lock+0xc1/0x200 [ 415.528905] 0*2048kB 0*4096kB [ 415.530887] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.535092] = 14032kB [ 415.537511] ? debug_object_assert_init+0x368/0x4b0 [ 415.541730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.544916] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.550003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.552404] ? debug_object_init_on_stack+0x20/0x20 [ 415.557397] 5170 total pagecache pages [ 415.566226] ? graph_lock+0x170/0x170 [ 415.571660] 0 pages in swap cache [ 415.580225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.585218] Swap cache stats: add 0, delete 0, find 0/0 [ 415.585227] Free swap = 0kB [ 415.589124] br_mdb_notify+0x310/0x410 [ 415.592888] Total swap = 0kB [ 415.592896] 1965979 pages RAM [ 415.596341] ? br_mdb_dump+0x27b0/0x27b0 [ 415.601848] 0 pages HighMem/MovableOnly [ 415.601856] 342306 pages reserved [ 415.607243] br_multicast_del_pg+0x3df/0x790 [ 415.610224] 0 pages cma reserved [ 415.614109] ? br_mdb_ip_get+0x940/0x940 [ 415.617169] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.620204] ? kasan_check_write+0x14/0x20 [ 415.624328] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.628221] ? do_raw_spin_lock+0xc1/0x200 [ 415.631652] kworker/0:2 cpuset= [ 415.636067] br_multicast_port_group_expired+0x189/0x1e0 [ 415.639401] / [ 415.643459] call_timer_fn+0x272/0x920 [ 415.649932] mems_allowed=0 [ 415.654160] ? br_multicast_del_pg+0x790/0x790 [ 415.690484] ? process_timeout+0x40/0x40 [ 415.694552] ? find_held_lock+0x36/0x1c0 [ 415.698625] ? __run_timers+0x7da/0xc70 [ 415.702609] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.707106] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.711605] ? br_multicast_del_pg+0x790/0x790 [ 415.716189] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.720777] ? trace_hardirqs_on+0xbd/0x310 [ 415.725106] ? kasan_check_read+0x11/0x20 [ 415.729256] ? __run_timers+0x7da/0xc70 [ 415.733237] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.738694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.742939] ? br_multicast_del_pg+0x790/0x790 [ 415.747523] __run_timers+0x7e5/0xc70 [ 415.751345] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.756718] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.761737] ? graph_lock+0x170/0x170 [ 415.765544] ? enqueue_hrtimer+0x1a5/0x560 [ 415.769786] ? lock_release+0x970/0x970 [ 415.773784] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.778993] ? find_held_lock+0x36/0x1c0 [ 415.783064] ? graph_lock+0x170/0x170 [ 415.786869] ? pvclock_read_flags+0x160/0x160 [ 415.791370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.796915] ? check_preemption_disabled+0x48/0x200 [ 415.801945] ? __lock_is_held+0xb5/0x140 [ 415.806016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.811555] ? check_preemption_disabled+0x48/0x200 [ 415.816581] run_timer_softirq+0x52/0xb0 [ 415.820647] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.825666] __do_softirq+0x30b/0xad8 [ 415.829489] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.834601] ? pvclock_read_flags+0x160/0x160 [ 415.839097] ? lapic_next_event+0x5a/0x90 [ 415.843251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.848794] ? check_preemption_disabled+0x48/0x200 [ 415.853812] ? check_preemption_disabled+0x48/0x200 [ 415.858837] ? kvm_clock_read+0x18/0x30 [ 415.862811] ? kvm_sched_clock_read+0x9/0x20 [ 415.867221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.872761] ? check_preemption_disabled+0x48/0x200 [ 415.877791] irq_exit+0x17f/0x1c0 [ 415.881251] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.886096] ? smp_reschedule_interrupt+0x109/0x650 [ 415.891116] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.897010] ? interrupt_entry+0xb5/0xf0 [ 415.901078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.906095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.911117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.915960] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.920999] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.926022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.931564] ? check_preemption_disabled+0x48/0x200 [ 415.936581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.942140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.947001] apic_timer_interrupt+0xf/0x20 [ 415.951232] [ 415.953486] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.958429] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 415.977330] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 415.985042] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.992312] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 415.999591] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 416.006858] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.014140] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 416.021457] skb_clone+0x1bb/0x500 [ 416.025017] ? finish_task_switch+0x2f5/0x900 [ 416.029517] ? skb_split+0x11e0/0x11e0 [ 416.033409] ? preempt_notifier_register+0x200/0x200 [ 416.038515] ? __switch_to_asm+0x34/0x70 [ 416.042578] ? __switch_to_asm+0x34/0x70 [ 416.046652] ? __switch_to_asm+0x40/0x70 [ 416.050719] ? __switch_to_asm+0x34/0x70 [ 416.054780] ? __switch_to_asm+0x40/0x70 [ 416.058845] ? __switch_to_asm+0x34/0x70 [ 416.062904] ? __switch_to_asm+0x40/0x70 [ 416.066986] ? __switch_to_asm+0x34/0x70 [ 416.071059] ? __switch_to_asm+0x34/0x70 [ 416.075127] ? __switch_to_asm+0x40/0x70 [ 416.079189] ? __switch_to_asm+0x34/0x70 [ 416.083263] bpf_clone_redirect+0xb9/0x490 [ 416.087505] ? __schedule+0x874/0x1ed0 [ 416.091402] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 416.096425] ? __sched_text_start+0x8/0x8 [ 416.100590] ? find_held_lock+0x36/0x1c0 [ 416.104659] ? lock_acquire+0x1ed/0x520 [ 416.108637] ? bpf_test_run+0x3cb/0x780 [ 416.112617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.118162] ? check_preemption_disabled+0x48/0x200 [ 416.123192] ? kasan_check_read+0x11/0x20 [ 416.127344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.132627] ? rcu_bh_qs+0xc0/0xc0 [ 416.136173] ? preempt_schedule+0x4d/0x60 [ 416.140325] ? ___preempt_schedule+0x16/0x18 [ 416.144743] ? bpf_test_run+0x25d/0x780 [ 416.148730] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.153143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.158689] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 416.163473] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.168320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.173857] ? fput+0x130/0x1a0 [ 416.177140] ? __bpf_prog_get+0x9b/0x290 [ 416.181206] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.186064] ? bpf_prog_test_run+0x130/0x1a0 [ 416.190491] ? __x64_sys_bpf+0x3d8/0x520 [ 416.194559] ? bpf_prog_get+0x20/0x20 [ 416.198382] ? do_syscall_64+0x1b9/0x820 [ 416.202451] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.207827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.212764] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.217788] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.222809] ? recalc_sigpending_tsk+0x180/0x180 [ 416.227572] ? kasan_check_write+0x14/0x20 [ 416.231816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.236673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.242064] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 416.242907] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.249172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.259645] syz-executor2 cpuset=syz2 [ 416.268996] Workqueue: events_power_efficient neigh_periodic_work [ 416.272796] mems_allowed=0 [ 416.279011] Call Trace: [ 416.284513] [ 416.286675] dump_stack+0x1c4/0x2b4 [ 416.290308] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.295522] warn_alloc.cold.119+0xb7/0x1bd [ 416.299849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.304708] ? lock_downgrade+0x900/0x900 [ 416.308874] ? trace_hardirqs_off+0xb8/0x310 [ 416.313289] ? trace_hardirqs_off+0xb8/0x310 [ 416.317709] __alloc_pages_slowpath+0x2667/0x2d80 [ 416.322585] ? warn_alloc+0x120/0x120 [ 416.326390] ? trace_hardirqs_on+0x310/0x310 [ 416.330801] ? warn_alloc+0x120/0x120 [ 416.334610] ? print_usage_bug+0xc0/0xc0 [ 416.338676] ? warn_alloc+0x120/0x120 [ 416.342484] ? ktime_get+0x2e1/0x440 [ 416.346209] ? print_usage_bug+0xc0/0xc0 [ 416.350277] ? __lock_acquire+0x7ec/0x4ec0 [ 416.354525] ? __lock_acquire+0x7ec/0x4ec0 [ 416.358768] ? kasan_check_read+0x11/0x20 [ 416.362918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.368896] ? should_fail+0x22d/0xd01 [ 416.372788] ? rcu_bh_qs+0xc0/0xc0 [ 416.376334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.381439] ? __lock_acquire+0x7ec/0x4ec0 [ 416.385687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.390788] ? __lock_acquire+0x7ec/0x4ec0 [ 416.395025] ? should_fail+0x22d/0xd01 [ 416.398915] ? rcu_idle_enter+0x4b0/0x4b0 [ 416.403077] ? mark_held_locks+0x130/0x130 [ 416.407321] ? mark_held_locks+0x130/0x130 [ 416.411563] ? mark_held_locks+0xc7/0x130 [ 416.415711] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 416.420729] ? graph_lock+0x170/0x170 [ 416.424535] ? print_usage_bug+0xc0/0xc0 [ 416.428602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.434141] ? check_preemption_disabled+0x48/0x200 [ 416.439161] ? check_preemption_disabled+0x48/0x200 [ 416.444195] ? __lock_is_held+0xb5/0x140 [ 416.448264] __alloc_pages_nodemask+0xa80/0xde0 [ 416.452940] ? graph_lock+0x170/0x170 [ 416.456750] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.461766] ? graph_lock+0x170/0x170 [ 416.465580] ? find_held_lock+0x36/0x1c0 [ 416.469657] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.474329] ? lock_downgrade+0x900/0x900 [ 416.478498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.484046] cache_grow_begin+0x91/0x8c0 [ 416.488113] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.492532] fallback_alloc+0x203/0x2e0 [ 416.496521] ____cache_alloc_node+0x1c7/0x1e0 [ 416.501026] kmem_cache_alloc_node+0xe3/0x730 [ 416.505527] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.509775] __alloc_skb+0x119/0x770 [ 416.513508] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.518791] ? skb_scrub_packet+0x490/0x490 [ 416.523125] ? lock_downgrade+0x900/0x900 [ 416.527283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.532824] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.538280] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.543735] ? addrconf_rs_timer+0x690/0x690 [ 416.548163] ndisc_alloc_skb+0x144/0x340 [ 416.552230] ndisc_send_rs+0x331/0x6e0 [ 416.556124] addrconf_rs_timer+0x314/0x690 [ 416.560364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.564621] call_timer_fn+0x272/0x920 [ 416.568514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.572756] ? process_timeout+0x40/0x40 [ 416.576819] ? find_held_lock+0x36/0x1c0 [ 416.580896] ? mark_held_locks+0xc7/0x130 [ 416.585055] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.589554] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.594050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.598291] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.602876] ? trace_hardirqs_on+0xbd/0x310 [ 416.607199] ? kasan_check_read+0x11/0x20 [ 416.611349] ? __run_timers+0x7da/0xc70 [ 416.615328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.620786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.625203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.629438] __run_timers+0x7e5/0xc70 [ 416.633266] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.638629] ? lock_downgrade+0x900/0x900 [ 416.642792] ? print_usage_bug+0xc0/0xc0 [ 416.646854] ? trace_hardirqs_on+0x310/0x310 [ 416.651273] ? kvm_clock_read+0x18/0x30 [ 416.655253] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.660275] ? graph_lock+0x170/0x170 [ 416.664082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.669626] ? check_preemption_disabled+0x48/0x200 [ 416.674673] ? __lock_is_held+0xb5/0x140 [ 416.678737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.684306] ? check_preemption_disabled+0x48/0x200 [ 416.689330] run_timer_softirq+0x52/0xb0 [ 416.693392] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.698412] __do_softirq+0x30b/0xad8 [ 416.702225] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.707327] ? irq_exit+0xbd/0x1c0 [ 416.710870] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 416.715890] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.721779] ? ret_from_intr+0xb/0x1e [ 416.725588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.730608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.735455] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.740496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.746039] ? check_preemption_disabled+0x48/0x200 [ 416.751076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.756623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.761484] ? neigh_periodic_work+0x6bd/0xc60 [ 416.766079] do_softirq_own_stack+0x2a/0x40 [ 416.770395] [ 416.772642] do_softirq.part.13+0x126/0x160 [ 416.776970] __local_bh_enable_ip+0x21d/0x260 [ 416.781478] _raw_write_unlock_bh+0x30/0x40 [ 416.785805] neigh_periodic_work+0x6bd/0xc60 [ 416.790228] ? neigh_table_clear+0x390/0x390 [ 416.794677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.800218] ? check_preemption_disabled+0x48/0x200 [ 416.805234] ? check_preemption_disabled+0x48/0x200 [ 416.810270] ? __lock_is_held+0xb5/0x140 [ 416.814347] process_one_work+0xc90/0x1b90 [ 416.818583] ? mark_held_locks+0x130/0x130 [ 416.822862] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 416.827531] ? __switch_to_asm+0x40/0x70 [ 416.831597] ? __switch_to_asm+0x40/0x70 [ 416.835658] ? __switch_to_asm+0x34/0x70 [ 416.839718] ? __switch_to_asm+0x40/0x70 [ 416.843781] ? __switch_to_asm+0x34/0x70 [ 416.847855] ? __switch_to_asm+0x40/0x70 [ 416.851917] ? __switch_to_asm+0x34/0x70 [ 416.855977] ? __switch_to_asm+0x40/0x70 [ 416.860048] ? __schedule+0x874/0x1ed0 [ 416.863937] ? __switch_to_asm+0x34/0x70 [ 416.868001] ? __switch_to_asm+0x40/0x70 [ 416.872084] ? kasan_check_read+0x11/0x20 [ 416.876239] ? graph_lock+0x170/0x170 [ 416.880043] ? __sched_text_start+0x8/0x8 [ 416.884201] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.888785] ? retint_kernel+0x2d/0x2d [ 416.892683] ? find_held_lock+0x36/0x1c0 [ 416.896772] ? lock_acquire+0x1ed/0x520 [ 416.900748] ? worker_thread+0x3e0/0x1390 [ 416.904908] ? lock_release+0x970/0x970 [ 416.908886] ? trace_hardirqs_off+0xb8/0x310 [ 416.913296] ? kasan_check_read+0x11/0x20 [ 416.917442] ? worker_thread+0x3e0/0x1390 [ 416.921601] ? trace_hardirqs_on+0x310/0x310 [ 416.926018] ? kasan_check_write+0x14/0x20 [ 416.930257] ? do_raw_spin_lock+0xc1/0x200 [ 416.934511] worker_thread+0x17f/0x1390 [ 416.938503] ? __switch_to_asm+0x34/0x70 [ 416.942579] ? process_one_work+0x1b90/0x1b90 [ 416.947083] ? graph_lock+0x170/0x170 [ 416.950890] ? graph_lock+0x170/0x170 [ 416.954690] ? find_held_lock+0x36/0x1c0 [ 416.958768] ? find_held_lock+0x36/0x1c0 [ 416.962844] ? __kthread_parkme+0xce/0x1a0 [ 416.967090] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.972199] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.977308] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.981901] ? trace_hardirqs_on+0xbd/0x310 [ 416.986225] ? kasan_check_read+0x11/0x20 [ 416.990373] ? __kthread_parkme+0xce/0x1a0 [ 416.994610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.000066] ? kasan_check_write+0x14/0x20 [ 417.004301] ? do_raw_spin_lock+0xc1/0x200 [ 417.008544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.013653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.019192] ? __kthread_parkme+0xfb/0x1a0 [ 417.023433] kthread+0x35a/0x420 [ 417.026807] ? process_one_work+0x1b90/0x1b90 [ 417.031300] ? kthread_bind+0x40/0x40 [ 417.035106] ret_from_fork+0x3a/0x50 [ 417.038836] warn_alloc_show_mem: 1 callbacks suppressed [ 417.038848] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 417.038850] Mem-Info: [ 417.038881] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 417.038881] active_file:14 inactive_file:13 isolated_file:0 [ 417.038881] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.038881] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 417.038881] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 417.038881] free:13770 free_pcp:433 free_cma:0 [ 417.044219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.044227] Call Trace: [ 417.051601] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.054003] [ 417.087046] Node 0 [ 417.096413] dump_stack+0x1c4/0x2b4 [ 417.098988] 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 [ 417.126558] ? dump_stack_print_info.cold.2+0x52/0x52 [ 417.128677] lowmem_reserve[]: [ 417.130921] warn_alloc.cold.119+0xb7/0x1bd [ 417.134514] 0 [ 417.160020] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.165188] 2819 [ 417.168294] ? lock_downgrade+0x900/0x900 [ 417.172590] 6323 [ 417.174395] ? trace_hardirqs_off+0xb8/0x310 [ 417.179205] 6323 [ 417.181276] ? trace_hardirqs_off+0xb8/0x310 [ 417.185405] Node 0 [ 417.187486] __alloc_pages_slowpath+0x2667/0x2d80 [ 417.191892] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 417.193963] ? warn_alloc+0x120/0x120 [ 417.198308] lowmem_reserve[]: 0 [ 417.200552] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.205362] 0 3503 [ 417.232354] ? warn_alloc+0x120/0x120 [ 417.236133] 3503 [ 417.239407] ? lockdep_on+0x50/0x50 [ 417.244402] Node 0 [ 417.246636] ? print_usage_bug+0xc0/0xc0 [ 417.250436] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 417.252475] ? warn_alloc+0x120/0x120 [ 417.256084] lowmem_reserve[]: [ 417.258322] ? print_usage_bug+0xc0/0xc0 [ 417.262358] 0 [ 417.290896] ? check_usage+0x2c4/0x790 [ 417.294666] 0 0 [ 417.297785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.301809] 0 [ 417.303620] ? should_fail+0x22d/0xd01 [ 417.307486] Node 0 [ 417.309499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.315017] DMA: [ 417.316815] ? __lock_acquire+0x7ec/0x4ec0 [ 417.320682] 1*4kB [ 417.322914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.327997] (U) [ 417.330058] ? should_fail+0x22d/0xd01 [ 417.334268] 0*8kB [ 417.336410] ? lockdep_on+0x50/0x50 [ 417.341498] 0*16kB 1*32kB [ 417.343490] ? mark_held_locks+0x130/0x130 [ 417.347355] (U) [ 417.349511] ? mark_held_locks+0x130/0x130 [ 417.353108] 2*64kB (U) [ 417.355957] ? print_usage_bug+0xc0/0xc0 [ 417.360169] 1*128kB [ 417.362139] ? find_held_lock+0x36/0x1c0 [ 417.366350] (U) [ 417.368931] ? graph_lock+0x170/0x170 [ 417.372970] 1*256kB [ 417.375296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.379333] (U) [ 417.381306] ? check_preemption_disabled+0x48/0x200 [ 417.385096] 0*512kB [ 417.387451] ? check_preemption_disabled+0x48/0x200 [ 417.392957] 1*1024kB (U) [ 417.394950] ? __lock_is_held+0xb5/0x140 [ 417.399929] 1*2048kB (M) [ 417.402261] __alloc_pages_nodemask+0xa80/0xde0 [ 417.407244] 3*4096kB (M) [ 417.410004] ? graph_lock+0x170/0x170 [ 417.414038] = 15908kB [ 417.416788] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.421435] Node 0 [ 417.424187] ? graph_lock+0x170/0x170 [ 417.427965] DMA32: [ 417.430379] ? find_held_lock+0x36/0x1c0 [ 417.435368] 5*4kB [ 417.437608] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.441376] (UMH) [ 417.443611] ? lock_downgrade+0x900/0x900 [ 417.447651] 2*8kB [ 417.449799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.454442] (MH) [ 417.456597] cache_grow_begin+0x91/0x8c0 [ 417.460718] 3*16kB (MH) [ 417.462876] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.468382] 3*32kB (MH) [ 417.470452] fallback_alloc+0x203/0x2e0 [ 417.474499] 5*64kB (MH) [ 417.477177] ____cache_alloc_node+0x1c7/0x1e0 [ 417.481556] 3*128kB (M) [ 417.484250] kmem_cache_alloc_node+0xe3/0x730 [ 417.488196] 5*256kB (UMH) [ 417.490869] ? mark_held_locks+0xc7/0x130 [ 417.495339] 5*512kB (UMH) [ 417.498547] __alloc_skb+0x119/0x770 [ 417.503015] 4*1024kB [ 417.505858] ? skb_scrub_packet+0x490/0x490 [ 417.509982] (UMH) [ 417.512828] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 417.516510] 2*2048kB (M) [ 417.518932] ? queue_work_on+0x12c/0x1e0 [ 417.523222] 3*4096kB (M) [ 417.525380] ? switchdev_port_obj_del+0xdc/0x450 [ 417.529951] = 25204kB [ 417.532706] ? switchdev_trans_item_enqueue+0x260/0x260 [ 417.536744] Node 0 [ 417.539509] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.544234] Normal: 990*4kB [ 417.546652] __br_mdb_notify+0x4ff/0x15d0 [ 417.551996] (UMEH) 505*8kB [ 417.554240] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.559227] (MEH) [ 417.562247] ? __br_mdb_add+0x7f0/0x7f0 [ 417.566363] 189*16kB [ 417.569288] ? kasan_check_write+0x14/0x20 [ 417.574362] (MEH) 66*32kB [ 417.576525] ? do_raw_spin_lock+0xc1/0x200 [ 417.580484] (UMH) [ 417.582898] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.587109] 0*64kB [ 417.589953] ? debug_object_assert_init+0x368/0x4b0 [ 417.594154] 1*128kB (H) [ 417.596308] ? debug_object_init_on_stack+0x20/0x20 [ 417.601382] 1*256kB (H) [ 417.603621] ? graph_lock+0x170/0x170 [ 417.608614] 1*512kB [ 417.611281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.616266] (H) 0*1024kB [ 417.618944] br_mdb_notify+0x310/0x410 [ 417.622718] 0*2048kB [ 417.625039] ? br_mdb_dump+0x27b0/0x27b0 [ 417.630559] 0*4096kB [ 417.633327] br_multicast_del_pg+0x3df/0x790 [ 417.637189] = 14032kB [ 417.639598] ? br_mdb_ip_get+0x940/0x940 [ 417.643643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.646044] ? kasan_check_write+0x14/0x20 [ 417.650426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.652827] ? do_raw_spin_lock+0xc1/0x200 [ 417.656867] 5170 total pagecache pages [ 417.665719] br_multicast_port_group_expired+0x189/0x1e0 [ 417.669933] 0 pages in swap cache [ 417.678518] call_timer_fn+0x272/0x920 [ 417.682734] Swap cache stats: add 0, delete 0, find 0/0 [ 417.686615] ? br_multicast_del_pg+0x790/0x790 [ 417.692039] Free swap = 0kB [ 417.695493] ? process_timeout+0x40/0x40 [ 417.699357] Total swap = 0kB [ 417.704717] ? find_held_lock+0x36/0x1c0 [ 417.709275] 1965979 pages RAM [ 417.712292] ? __run_timers+0x7da/0xc70 [ 417.716316] 0 pages HighMem/MovableOnly [ 417.716324] 342306 pages reserved [ 417.719341] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.723373] 0 pages cma reserved [ 417.723454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.726489] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.730550] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.734421] ? br_multicast_del_pg+0x790/0x790 [ 417.737849] kworker/0:2 cpuset= [ 417.742340] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 417.745688] / [ 417.752178] ? trace_hardirqs_on+0xbd/0x310 [ 417.756650] mems_allowed=0 [ 417.766959] ? kasan_check_read+0x11/0x20 [ 417.792418] ? __run_timers+0x7da/0xc70 [ 417.796400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.801860] ? br_multicast_del_pg+0x790/0x790 [ 417.806451] ? br_multicast_del_pg+0x790/0x790 [ 417.811047] __run_timers+0x7e5/0xc70 [ 417.814867] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.820234] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.825253] ? graph_lock+0x170/0x170 [ 417.829063] ? enqueue_hrtimer+0x1a5/0x560 [ 417.833302] ? lock_release+0x970/0x970 [ 417.837279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.842488] ? find_held_lock+0x36/0x1c0 [ 417.846556] ? graph_lock+0x170/0x170 [ 417.850360] ? pvclock_read_flags+0x160/0x160 [ 417.854858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.860402] ? check_preemption_disabled+0x48/0x200 [ 417.865433] ? __lock_is_held+0xb5/0x140 [ 417.869504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.875047] ? check_preemption_disabled+0x48/0x200 [ 417.880074] run_timer_softirq+0x52/0xb0 [ 417.884135] ? rcu_read_lock_sched_held+0x108/0x120 [ 417.889170] __do_softirq+0x30b/0xad8 [ 417.892984] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.898104] ? pvclock_read_flags+0x160/0x160 [ 417.902600] ? lapic_next_event+0x5a/0x90 [ 417.906754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.912296] ? check_preemption_disabled+0x48/0x200 [ 417.917337] ? check_preemption_disabled+0x48/0x200 [ 417.922361] ? kvm_clock_read+0x18/0x30 [ 417.926340] ? kvm_sched_clock_read+0x9/0x20 [ 417.930749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.936288] ? check_preemption_disabled+0x48/0x200 [ 417.941319] irq_exit+0x17f/0x1c0 [ 417.944775] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.949634] ? smp_reschedule_interrupt+0x109/0x650 [ 417.954652] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.960542] ? interrupt_entry+0xb5/0xf0 [ 417.964609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.969624] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.974643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.979499] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.984520] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.989539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.995078] ? check_preemption_disabled+0x48/0x200 [ 418.000094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.005643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.010506] apic_timer_interrupt+0xf/0x20 [ 418.014738] [ 418.016978] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.021914] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 418.040813] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 418.048528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.055798] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 418.063065] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 418.070333] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.077601] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 418.084916] skb_clone+0x1bb/0x500 [ 418.088463] ? finish_task_switch+0x2f5/0x900 [ 418.092971] ? skb_split+0x11e0/0x11e0 [ 418.096870] ? preempt_notifier_register+0x200/0x200 [ 418.101975] ? __switch_to_asm+0x34/0x70 [ 418.106042] ? __switch_to_asm+0x34/0x70 [ 418.110104] ? __switch_to_asm+0x40/0x70 [ 418.114167] ? __switch_to_asm+0x34/0x70 [ 418.118233] ? __switch_to_asm+0x40/0x70 [ 418.122293] ? __switch_to_asm+0x34/0x70 [ 418.126360] ? __switch_to_asm+0x40/0x70 [ 418.130422] ? __switch_to_asm+0x34/0x70 [ 418.134493] ? __switch_to_asm+0x34/0x70 [ 418.138554] ? __switch_to_asm+0x40/0x70 [ 418.142619] ? __switch_to_asm+0x34/0x70 [ 418.146692] bpf_clone_redirect+0xb9/0x490 [ 418.150931] ? __schedule+0x874/0x1ed0 [ 418.154829] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 418.159850] ? __sched_text_start+0x8/0x8 [ 418.164019] ? find_held_lock+0x36/0x1c0 [ 418.168090] ? lock_acquire+0x1ed/0x520 [ 418.172068] ? bpf_test_run+0x3cb/0x780 [ 418.176044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.181591] ? check_preemption_disabled+0x48/0x200 [ 418.186622] ? kasan_check_read+0x11/0x20 [ 418.190780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.196062] ? rcu_bh_qs+0xc0/0xc0 [ 418.199610] ? preempt_schedule+0x4d/0x60 [ 418.203762] ? ___preempt_schedule+0x16/0x18 [ 418.208182] ? bpf_test_run+0x25d/0x780 [ 418.212178] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.216592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.222208] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 418.226972] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.231824] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.237362] ? fput+0x130/0x1a0 [ 418.240644] ? __bpf_prog_get+0x9b/0x290 [ 418.244711] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.249565] ? bpf_prog_test_run+0x130/0x1a0 [ 418.253988] ? __x64_sys_bpf+0x3d8/0x520 [ 418.258054] ? bpf_prog_get+0x20/0x20 [ 418.261878] ? do_syscall_64+0x1b9/0x820 [ 418.265942] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.271309] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.276247] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.281269] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.286313] ? recalc_sigpending_tsk+0x180/0x180 [ 418.291074] ? kasan_check_write+0x14/0x20 [ 418.295321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.300177] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.305578] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 418.312682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.322046] Workqueue: events_power_efficient neigh_periodic_work [ 418.328277] Call Trace: [ 418.330860] [ 418.333023] dump_stack+0x1c4/0x2b4 [ 418.336658] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.341885] warn_alloc.cold.119+0xb7/0x1bd [ 418.346212] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.351063] ? lock_downgrade+0x900/0x900 [ 418.355219] ? trace_hardirqs_off+0xb8/0x310 [ 418.359634] ? trace_hardirqs_off+0xb8/0x310 [ 418.364055] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.369404] ? warn_alloc+0x120/0x120 [ 418.373214] ? warn_alloc+0x120/0x120 [ 418.377019] ? print_usage_bug+0xc0/0xc0 [ 418.381082] ? warn_alloc+0x120/0x120 [ 418.384900] ? print_usage_bug+0xc0/0xc0 [ 418.388969] ? __lock_acquire+0x7ec/0x4ec0 [ 418.393206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.398749] ? should_fail+0x22d/0xd01 [ 418.402646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.407751] ? __lock_acquire+0x7ec/0x4ec0 [ 418.411994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.417098] ? __lock_acquire+0x7ec/0x4ec0 [ 418.421331] ? should_fail+0x22d/0xd01 [ 418.425249] ? do_raw_spin_lock+0xc1/0x200 [ 418.429519] ? mark_held_locks+0x130/0x130 [ 418.433788] ? mark_held_locks+0x130/0x130 [ 418.438042] ? update_stack_state+0x1a5/0x690 [ 418.442567] ? graph_lock+0x170/0x170 [ 418.446370] ? ret_from_fork+0x3a/0x50 [ 418.450264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.455813] ? check_preemption_disabled+0x48/0x200 [ 418.460830] ? check_preemption_disabled+0x48/0x200 [ 418.465860] ? __lock_is_held+0xb5/0x140 [ 418.469932] __alloc_pages_nodemask+0xa80/0xde0 [ 418.474608] ? graph_lock+0x170/0x170 [ 418.478416] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.483434] ? graph_lock+0x170/0x170 [ 418.487254] ? find_held_lock+0x36/0x1c0 [ 418.491326] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.495997] ? lock_downgrade+0x900/0x900 [ 418.500157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.505714] cache_grow_begin+0x91/0x8c0 [ 418.509782] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.514208] fallback_alloc+0x203/0x2e0 [ 418.518192] ____cache_alloc_node+0x1c7/0x1e0 [ 418.522695] kmem_cache_alloc_node+0xe3/0x730 [ 418.527189] ? mark_held_locks+0xc7/0x130 [ 418.531356] __alloc_skb+0x119/0x770 [ 418.535079] ? skb_scrub_packet+0x490/0x490 [ 418.539401] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 418.543994] ? queue_work_on+0x12c/0x1e0 [ 418.548067] ? switchdev_port_obj_del+0xdc/0x450 [ 418.552828] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.558200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.563229] __br_mdb_notify+0x4ff/0x15d0 [ 418.567383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.572510] ? __br_mdb_add+0x7f0/0x7f0 [ 418.576507] ? kasan_check_write+0x14/0x20 [ 418.580764] ? do_raw_spin_lock+0xc1/0x200 [ 418.585008] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.590117] ? debug_object_assert_init+0x368/0x4b0 [ 418.595144] ? debug_object_init_on_stack+0x20/0x20 [ 418.600166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.605721] br_mdb_notify+0x310/0x410 [ 418.609628] ? br_mdb_dump+0x27b0/0x27b0 [ 418.613716] br_multicast_del_pg+0x3df/0x790 [ 418.618140] ? br_mdb_ip_get+0x940/0x940 [ 418.622215] ? kasan_check_write+0x14/0x20 [ 418.626455] ? do_raw_spin_lock+0xc1/0x200 [ 418.630719] br_multicast_port_group_expired+0x189/0x1e0 [ 418.636287] call_timer_fn+0x272/0x920 [ 418.640177] ? br_multicast_del_pg+0x790/0x790 [ 418.644764] ? process_timeout+0x40/0x40 [ 418.648827] ? find_held_lock+0x36/0x1c0 [ 418.652901] ? mark_held_locks+0xc7/0x130 [ 418.657058] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.661559] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.666055] ? br_multicast_del_pg+0x790/0x790 [ 418.670638] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.675224] ? trace_hardirqs_on+0xbd/0x310 [ 418.679550] ? kasan_check_read+0x11/0x20 [ 418.683712] ? __run_timers+0x7da/0xc70 [ 418.687698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.693159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.697406] ? br_multicast_del_pg+0x790/0x790 [ 418.701993] __run_timers+0x7e5/0xc70 [ 418.705811] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.711188] ? lock_downgrade+0x900/0x900 [ 418.715365] ? print_usage_bug+0xc0/0xc0 [ 418.719430] ? trace_hardirqs_on+0x310/0x310 [ 418.723852] ? kvm_clock_read+0x18/0x30 [ 418.727828] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.732851] ? graph_lock+0x170/0x170 [ 418.736665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.742209] ? check_preemption_disabled+0x48/0x200 [ 418.747237] ? __lock_is_held+0xb5/0x140 [ 418.751303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.756842] ? check_preemption_disabled+0x48/0x200 [ 418.761874] run_timer_softirq+0x52/0xb0 [ 418.765935] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.770952] __do_softirq+0x30b/0xad8 [ 418.774768] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.779871] ? irq_exit+0xbd/0x1c0 [ 418.783418] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 418.788438] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.794331] ? ret_from_intr+0xb/0x1e [ 418.798139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.803160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.808010] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.813034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.818576] ? check_preemption_disabled+0x48/0x200 [ 418.823596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.829143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.833994] ? neigh_periodic_work+0x6bd/0xc60 [ 418.838585] do_softirq_own_stack+0x2a/0x40 [ 418.842902] [ 418.845147] do_softirq.part.13+0x126/0x160 [ 418.849482] __local_bh_enable_ip+0x21d/0x260 [ 418.853991] _raw_write_unlock_bh+0x30/0x40 [ 418.858316] neigh_periodic_work+0x6bd/0xc60 [ 418.862742] ? neigh_table_clear+0x390/0x390 [ 418.867156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.872696] ? check_preemption_disabled+0x48/0x200 [ 418.877711] ? check_preemption_disabled+0x48/0x200 [ 418.882740] ? __lock_is_held+0xb5/0x140 [ 418.886824] process_one_work+0xc90/0x1b90 [ 418.891065] ? mark_held_locks+0x130/0x130 [ 418.895311] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 418.899985] ? __switch_to_asm+0x40/0x70 [ 418.904048] ? __switch_to_asm+0x40/0x70 [ 418.908112] ? __switch_to_asm+0x34/0x70 [ 418.912177] ? __switch_to_asm+0x40/0x70 [ 418.916237] ? __switch_to_asm+0x34/0x70 [ 418.920320] ? __switch_to_asm+0x40/0x70 [ 418.924385] ? __switch_to_asm+0x34/0x70 [ 418.928449] ? __switch_to_asm+0x40/0x70 [ 418.932533] ? __schedule+0x874/0x1ed0 [ 418.936424] ? __switch_to_asm+0x34/0x70 [ 418.940499] ? __switch_to_asm+0x40/0x70 [ 418.944584] ? kasan_check_read+0x11/0x20 [ 418.948737] ? graph_lock+0x170/0x170 [ 418.952546] ? __sched_text_start+0x8/0x8 [ 418.956701] ? lockdep_hardirqs_on+0x421/0x5c0 [ 418.961288] ? retint_kernel+0x2d/0x2d [ 418.965183] ? find_held_lock+0x36/0x1c0 [ 418.969255] ? lock_acquire+0x1ed/0x520 [ 418.973236] ? worker_thread+0x3e0/0x1390 [ 418.977391] ? lock_release+0x970/0x970 [ 418.981367] ? trace_hardirqs_off+0xb8/0x310 [ 418.985777] ? kasan_check_read+0x11/0x20 [ 418.989925] ? worker_thread+0x3e0/0x1390 [ 418.994078] ? trace_hardirqs_on+0x310/0x310 [ 418.998505] ? kasan_check_write+0x14/0x20 [ 419.002744] ? do_raw_spin_lock+0xc1/0x200 [ 419.006994] worker_thread+0x17f/0x1390 [ 419.010974] ? __switch_to_asm+0x34/0x70 [ 419.015051] ? process_one_work+0x1b90/0x1b90 [ 419.019558] ? graph_lock+0x170/0x170 [ 419.023364] ? graph_lock+0x170/0x170 [ 419.027164] ? find_held_lock+0x36/0x1c0 [ 419.031239] ? find_held_lock+0x36/0x1c0 [ 419.035311] ? __kthread_parkme+0xce/0x1a0 [ 419.039555] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.044671] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.049774] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.054363] ? trace_hardirqs_on+0xbd/0x310 [ 419.058686] ? kasan_check_read+0x11/0x20 [ 419.062865] ? __kthread_parkme+0xce/0x1a0 [ 419.067108] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.072565] ? kasan_check_write+0x14/0x20 [ 419.076804] ? do_raw_spin_lock+0xc1/0x200 [ 419.081047] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.086157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.091700] ? __kthread_parkme+0xfb/0x1a0 [ 419.095944] kthread+0x35a/0x420 [ 419.099314] ? process_one_work+0x1b90/0x1b90 [ 419.103807] ? kthread_bind+0x40/0x40 [ 419.107613] ret_from_fork+0x3a/0x50 [ 419.111373] warn_alloc_show_mem: 1 callbacks suppressed [ 419.111378] Mem-Info: [ 419.119162] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 419.119162] active_file:14 inactive_file:13 isolated_file:0 [ 419.119162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.119162] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 419.119162] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 419.119162] free:13770 free_pcp:433 free_cma:0 [ 419.152262] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.179846] 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 [ 419.205983] lowmem_reserve[]: 0 2819 6323 6323 [ 419.210587] Node 0 DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 419.238195] lowmem_reserve[]: 0 0 3503 3503 [ 419.242540] Node 0 Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 419.271713] lowmem_reserve[]: 0 0 0 0 [ 419.275533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 419.289210] Node 0 DMA32: 5*4kB (UMH) 2*8kB (MH) 3*16kB (MH) 3*32kB (MH) 5*64kB (MH) 3*128kB (M) 5*256kB (UMH) 5*512kB (UMH) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25204kB [ 419.305139] Node 0 Normal: 990*4kB (UMEH) 505*8kB (MEH) 189*16kB (MEH) 66*32kB (UMH) 0*64kB 1*128kB (H) 1*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 419.320097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.328928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 419.337503] 5170 total pagecache pages [ 419.341396] 0 pages in swap cache [ 419.344843] Swap cache stats: add 0, delete 0, find 0/0 [ 419.350202] Free swap = 0kB [ 419.353210] Total swap = 0kB [ 419.356234] 1965979 pages RAM [ 419.359330] 0 pages HighMem/MovableOnly [ 419.363295] 342306 pages reserved [ 419.366737] 0 pages cma reserved [ 419.370237] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.370264] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.380737] syz-executor2 cpuset= [ 419.391160] kworker/0:2 cpuset= [ 419.391163] syz2 mems_allowed=0 [ 419.394612] / [ 419.397886] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 419.401161] mems_allowed=0 [ 419.402864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.422473] Call Trace: [ 419.425056] [ 419.427215] dump_stack+0x1c4/0x2b4 [ 419.430852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.436060] warn_alloc.cold.119+0xb7/0x1bd [ 419.440384] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.445244] ? lock_downgrade+0x900/0x900 [ 419.449402] ? trace_hardirqs_off+0xb8/0x310 [ 419.453822] ? trace_hardirqs_off+0xb8/0x310 [ 419.458240] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.463119] ? warn_alloc+0x120/0x120 [ 419.466927] ? do_raw_spin_lock+0xc1/0x200 [ 419.471166] ? warn_alloc+0x120/0x120 [ 419.474974] ? print_usage_bug+0xc0/0xc0 [ 419.479299] ? warn_alloc+0x120/0x120 [ 419.483102] ? print_usage_bug+0xc0/0xc0 [ 419.487177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.492717] ? should_fail+0x22d/0xd01 [ 419.497041] ? graph_lock+0x170/0x170 [ 419.500853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.505963] ? __lock_acquire+0x7ec/0x4ec0 [ 419.510206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.515310] ? should_fail+0x22d/0xd01 [ 419.519229] ? mark_held_locks+0x130/0x130 [ 419.523475] ? mark_held_locks+0x130/0x130 [ 419.527710] ? print_usage_bug+0xc0/0xc0 [ 419.531782] ? find_held_lock+0x36/0x1c0 [ 419.535843] ? graph_lock+0x170/0x170 [ 419.539653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.545193] ? check_preemption_disabled+0x48/0x200 [ 419.550216] ? check_preemption_disabled+0x48/0x200 [ 419.555244] ? __lock_is_held+0xb5/0x140 [ 419.559314] __alloc_pages_nodemask+0xa80/0xde0 [ 419.563984] ? graph_lock+0x170/0x170 [ 419.567797] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.572814] ? graph_lock+0x170/0x170 [ 419.576631] ? find_held_lock+0x36/0x1c0 [ 419.580709] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.585379] ? lock_downgrade+0x900/0x900 [ 419.589555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.595099] cache_grow_begin+0x91/0x8c0 [ 419.599168] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.603589] fallback_alloc+0x203/0x2e0 [ 419.607574] ____cache_alloc_node+0x1c7/0x1e0 [ 419.612080] kmem_cache_alloc_node+0xe3/0x730 [ 419.616579] ? mark_held_locks+0xc7/0x130 [ 419.620745] __alloc_skb+0x119/0x770 [ 419.624478] ? skb_scrub_packet+0x490/0x490 [ 419.628808] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 419.633398] ? queue_work_on+0x12c/0x1e0 [ 419.637482] ? switchdev_port_obj_del+0xdc/0x450 [ 419.642242] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.647617] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.652646] __br_mdb_notify+0x4ff/0x15d0 [ 419.656801] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.661923] ? __br_mdb_add+0x7f0/0x7f0 [ 419.665913] ? kasan_check_write+0x14/0x20 [ 419.670149] ? do_raw_spin_lock+0xc1/0x200 [ 419.674394] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.679507] ? debug_object_assert_init+0x368/0x4b0 [ 419.684535] ? debug_object_init_on_stack+0x20/0x20 [ 419.689553] ? graph_lock+0x170/0x170 [ 419.693359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.698909] br_mdb_notify+0x310/0x410 [ 419.702801] ? br_mdb_dump+0x27b0/0x27b0 [ 419.706881] br_multicast_del_pg+0x3df/0x790 [ 419.711300] ? br_mdb_ip_get+0x940/0x940 [ 419.715372] ? do_raw_spin_lock+0x1a7/0x200 [ 419.719703] br_multicast_port_group_expired+0x189/0x1e0 [ 419.725162] call_timer_fn+0x272/0x920 [ 419.729055] ? br_multicast_del_pg+0x790/0x790 [ 419.733641] ? process_timeout+0x40/0x40 [ 419.737712] ? find_held_lock+0x36/0x1c0 [ 419.741787] ? __run_timers+0x7da/0xc70 [ 419.745769] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.750269] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.754796] ? br_multicast_del_pg+0x790/0x790 [ 419.759380] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 419.763968] ? trace_hardirqs_on+0xbd/0x310 [ 419.768301] ? kasan_check_read+0x11/0x20 [ 419.772461] ? __run_timers+0x7da/0xc70 [ 419.776451] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.781922] ? br_multicast_del_pg+0x790/0x790 [ 419.786531] ? br_multicast_del_pg+0x790/0x790 [ 419.791127] __run_timers+0x7e5/0xc70 [ 419.794945] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.800342] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.805377] ? graph_lock+0x170/0x170 [ 419.809183] ? enqueue_hrtimer+0x1a5/0x560 [ 419.813416] ? lock_release+0x970/0x970 [ 419.817392] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.822589] ? find_held_lock+0x36/0x1c0 [ 419.826661] ? graph_lock+0x170/0x170 [ 419.830486] ? pvclock_read_flags+0x160/0x160 [ 419.835003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.840544] ? check_preemption_disabled+0x48/0x200 [ 419.845573] ? __lock_is_held+0xb5/0x140 [ 419.849638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.855180] ? check_preemption_disabled+0x48/0x200 [ 419.860207] run_timer_softirq+0x52/0xb0 [ 419.864269] ? rcu_read_lock_sched_held+0x108/0x120 [ 419.869334] __do_softirq+0x30b/0xad8 [ 419.873147] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.878259] ? pvclock_read_flags+0x160/0x160 [ 419.882756] ? lapic_next_event+0x5a/0x90 [ 419.886908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.892463] ? check_preemption_disabled+0x48/0x200 [ 419.897498] ? check_preemption_disabled+0x48/0x200 [ 419.902545] ? kvm_clock_read+0x18/0x30 [ 419.906533] ? kvm_sched_clock_read+0x9/0x20 [ 419.910944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.916493] ? check_preemption_disabled+0x48/0x200 [ 419.921526] irq_exit+0x17f/0x1c0 [ 419.924981] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.929835] ? smp_reschedule_interrupt+0x109/0x650 [ 419.934871] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.940760] ? interrupt_entry+0xb5/0xf0 [ 419.944832] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.949856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.954877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.959723] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.964740] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.969760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.975302] ? check_preemption_disabled+0x48/0x200 [ 419.980316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.985861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.990718] apic_timer_interrupt+0xf/0x20 [ 419.994946] [ 419.997193] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.002124] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 420.021025] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 420.028735] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.036005] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 420.043278] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 420.050548] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.057820] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 420.065134] skb_clone+0x1bb/0x500 [ 420.068678] ? finish_task_switch+0x2f5/0x900 [ 420.073177] ? skb_split+0x11e0/0x11e0 [ 420.077071] ? preempt_notifier_register+0x200/0x200 [ 420.082178] ? __switch_to_asm+0x34/0x70 [ 420.086247] ? __switch_to_asm+0x34/0x70 [ 420.090311] ? __switch_to_asm+0x40/0x70 [ 420.094389] ? __switch_to_asm+0x34/0x70 [ 420.098454] ? __switch_to_asm+0x40/0x70 [ 420.102524] ? __switch_to_asm+0x34/0x70 [ 420.106585] ? __switch_to_asm+0x40/0x70 [ 420.110650] ? __switch_to_asm+0x34/0x70 [ 420.114714] ? __switch_to_asm+0x34/0x70 [ 420.118775] ? __switch_to_asm+0x40/0x70 [ 420.122836] ? __switch_to_asm+0x34/0x70 [ 420.126908] bpf_clone_redirect+0xb9/0x490 [ 420.131146] ? __schedule+0x874/0x1ed0 [ 420.135052] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 420.140072] ? __sched_text_start+0x8/0x8 [ 420.144236] ? find_held_lock+0x36/0x1c0 [ 420.148307] ? lock_acquire+0x1ed/0x520 [ 420.152284] ? bpf_test_run+0x3cb/0x780 [ 420.156265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.161806] ? check_preemption_disabled+0x48/0x200 [ 420.166843] ? kasan_check_read+0x11/0x20 [ 420.171000] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.176278] ? rcu_bh_qs+0xc0/0xc0 [ 420.179823] ? preempt_schedule+0x4d/0x60 [ 420.183978] ? ___preempt_schedule+0x16/0x18 [ 420.188401] ? bpf_test_run+0x25d/0x780 [ 420.192432] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.196851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.202399] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 420.207165] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.212023] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.217559] ? fput+0x130/0x1a0 [ 420.220842] ? __bpf_prog_get+0x9b/0x290 [ 420.224906] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.229746] ? bpf_prog_test_run+0x130/0x1a0 [ 420.234162] ? __x64_sys_bpf+0x3d8/0x520 [ 420.238224] ? bpf_prog_get+0x20/0x20 [ 420.242062] ? do_syscall_64+0x1b9/0x820 [ 420.246125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.251497] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.256432] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.261452] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.266544] ? recalc_sigpending_tsk+0x180/0x180 [ 420.271307] ? kasan_check_write+0x14/0x20 [ 420.275556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.280410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.285793] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 420.285980] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.292914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.303399] syz-executor2 cpuset=syz2 [ 420.312769] Workqueue: events_power_efficient neigh_periodic_work [ 420.316574] mems_allowed=0 [ 420.322792] Call Trace: [ 420.328279] [ 420.330441] dump_stack+0x1c4/0x2b4 [ 420.334087] ? dump_stack_print_info.cold.2+0x52/0x52 [ 420.339297] warn_alloc.cold.119+0xb7/0x1bd [ 420.343626] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.348481] ? lock_downgrade+0x900/0x900 [ 420.352646] ? trace_hardirqs_off+0xb8/0x310 [ 420.357065] ? trace_hardirqs_off+0xb8/0x310 [ 420.361500] __alloc_pages_slowpath+0x2667/0x2d80 [ 420.366873] ? warn_alloc+0x120/0x120 [ 420.370684] ? warn_alloc+0x120/0x120 [ 420.374502] ? print_usage_bug+0xc0/0xc0 [ 420.378567] ? warn_alloc+0x120/0x120 [ 420.382371] ? print_usage_bug+0xc0/0xc0 [ 420.386434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.391644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.397186] ? should_fail+0x22d/0xd01 [ 420.401080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.406187] ? __lock_acquire+0x7ec/0x4ec0 [ 420.410429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.415704] ? __lock_acquire+0x7ec/0x4ec0 [ 420.419940] ? should_fail+0x22d/0xd01 [ 420.423840] ? mark_held_locks+0x130/0x130 [ 420.428079] ? mark_held_locks+0x130/0x130 [ 420.432319] ? update_stack_state+0x1a5/0x690 [ 420.436825] ? graph_lock+0x170/0x170 [ 420.440637] ? ret_from_fork+0x3a/0x50 [ 420.444528] ? __lock_acquire+0x7ec/0x4ec0 [ 420.448768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.454313] ? check_preemption_disabled+0x48/0x200 [ 420.459329] ? check_preemption_disabled+0x48/0x200 [ 420.464357] ? __lock_is_held+0xb5/0x140 [ 420.468427] __alloc_pages_nodemask+0xa80/0xde0 [ 420.473100] ? graph_lock+0x170/0x170 [ 420.476908] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.481921] ? graph_lock+0x170/0x170 [ 420.485740] ? find_held_lock+0x36/0x1c0 [ 420.489812] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.494514] ? lock_downgrade+0x900/0x900 [ 420.498673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.504223] cache_grow_begin+0x91/0x8c0 [ 420.508290] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.512709] fallback_alloc+0x203/0x2e0 [ 420.516697] ____cache_alloc_node+0x1c7/0x1e0 [ 420.521200] kmem_cache_alloc_node+0xe3/0x730 [ 420.525699] ? mark_held_locks+0xc7/0x130 [ 420.529862] __alloc_skb+0x119/0x770 [ 420.533584] ? skb_scrub_packet+0x490/0x490 [ 420.537911] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 420.543976] ? queue_work_on+0x12c/0x1e0 [ 420.548051] ? switchdev_port_obj_del+0xdc/0x450 [ 420.552815] ? switchdev_trans_item_enqueue+0x260/0x260 [ 420.558184] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.563209] __br_mdb_notify+0x4ff/0x15d0 [ 420.567361] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.572504] ? __br_mdb_add+0x7f0/0x7f0 [ 420.576511] ? kasan_check_write+0x14/0x20 [ 420.580756] ? do_raw_spin_lock+0xc1/0x200 [ 420.584998] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.590110] ? debug_object_assert_init+0x368/0x4b0 [ 420.595133] ? debug_object_init_on_stack+0x20/0x20 [ 420.600156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.605706] br_mdb_notify+0x310/0x410 [ 420.609598] ? br_mdb_dump+0x27b0/0x27b0 [ 420.613681] br_multicast_del_pg+0x3df/0x790 [ 420.618102] ? br_mdb_ip_get+0x940/0x940 [ 420.622175] ? kasan_check_write+0x14/0x20 [ 420.626412] ? do_raw_spin_lock+0xc1/0x200 [ 420.630659] br_multicast_port_group_expired+0x189/0x1e0 [ 420.636117] call_timer_fn+0x272/0x920 [ 420.640006] ? br_multicast_del_pg+0x790/0x790 [ 420.644592] ? process_timeout+0x40/0x40 [ 420.648655] ? find_held_lock+0x36/0x1c0 [ 420.652725] ? mark_held_locks+0xc7/0x130 [ 420.656883] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.661382] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.665880] ? br_multicast_del_pg+0x790/0x790 [ 420.670474] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 420.675067] ? trace_hardirqs_on+0xbd/0x310 [ 420.679409] ? kasan_check_read+0x11/0x20 [ 420.683560] ? __run_timers+0x7da/0xc70 [ 420.687538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.692994] ? br_multicast_del_pg+0x790/0x790 [ 420.697586] ? br_multicast_del_pg+0x790/0x790 [ 420.702173] __run_timers+0x7e5/0xc70 [ 420.705989] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 420.711359] ? lock_downgrade+0x900/0x900 [ 420.715549] ? print_usage_bug+0xc0/0xc0 [ 420.719618] ? trace_hardirqs_on+0x310/0x310 [ 420.724038] ? kvm_clock_read+0x18/0x30 [ 420.728017] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.733039] ? graph_lock+0x170/0x170 [ 420.736862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.742406] ? check_preemption_disabled+0x48/0x200 [ 420.747440] ? __lock_is_held+0xb5/0x140 [ 420.751514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.757056] ? check_preemption_disabled+0x48/0x200 [ 420.762086] run_timer_softirq+0x52/0xb0 [ 420.766243] ? rcu_read_lock_sched_held+0x108/0x120 [ 420.771264] __do_softirq+0x30b/0xad8 [ 420.775078] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 420.780184] ? irq_exit+0xbd/0x1c0 [ 420.783729] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 420.788749] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.794638] ? ret_from_intr+0xb/0x1e [ 420.798440] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.803477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.808344] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.813361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.818905] ? check_preemption_disabled+0x48/0x200 [ 420.823923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.829481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.834342] ? neigh_periodic_work+0x6bd/0xc60 [ 420.838926] do_softirq_own_stack+0x2a/0x40 [ 420.843244] [ 420.845499] do_softirq.part.13+0x126/0x160 [ 420.849824] __local_bh_enable_ip+0x21d/0x260 [ 420.854326] _raw_write_unlock_bh+0x30/0x40 [ 420.858653] neigh_periodic_work+0x6bd/0xc60 [ 420.863078] ? neigh_table_clear+0x390/0x390 [ 420.867504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.873048] ? check_preemption_disabled+0x48/0x200 [ 420.878069] ? check_preemption_disabled+0x48/0x200 [ 420.883098] ? __lock_is_held+0xb5/0x140 [ 420.887176] process_one_work+0xc90/0x1b90 [ 420.891411] ? mark_held_locks+0x130/0x130 [ 420.895661] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 420.900332] ? __switch_to_asm+0x40/0x70 [ 420.904395] ? __switch_to_asm+0x40/0x70 [ 420.908455] ? __switch_to_asm+0x34/0x70 [ 420.912531] ? __switch_to_asm+0x40/0x70 [ 420.916598] ? __switch_to_asm+0x34/0x70 [ 420.920665] ? __switch_to_asm+0x40/0x70 [ 420.924727] ? __switch_to_asm+0x34/0x70 [ 420.928788] ? __switch_to_asm+0x40/0x70 [ 420.932857] ? __schedule+0x874/0x1ed0 [ 420.936746] ? __switch_to_asm+0x34/0x70 [ 420.940810] ? __switch_to_asm+0x40/0x70 [ 420.944897] ? kasan_check_read+0x11/0x20 [ 420.949052] ? graph_lock+0x170/0x170 [ 420.952857] ? __sched_text_start+0x8/0x8 [ 420.957016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.961604] ? retint_kernel+0x2d/0x2d [ 420.965511] ? find_held_lock+0x36/0x1c0 [ 420.969582] ? lock_acquire+0x1ed/0x520 [ 420.973558] ? worker_thread+0x3e0/0x1390 [ 420.977715] ? lock_release+0x970/0x970 [ 420.981692] ? trace_hardirqs_off+0xb8/0x310 [ 420.986104] ? kasan_check_read+0x11/0x20 [ 420.990256] ? worker_thread+0x3e0/0x1390 [ 420.994409] ? trace_hardirqs_on+0x310/0x310 [ 420.998827] ? kasan_check_write+0x14/0x20 [ 421.003064] ? do_raw_spin_lock+0xc1/0x200 [ 421.007308] worker_thread+0x17f/0x1390 [ 421.011291] ? __switch_to_asm+0x34/0x70 [ 421.015373] ? process_one_work+0x1b90/0x1b90 [ 421.019883] ? graph_lock+0x170/0x170 [ 421.023690] ? graph_lock+0x170/0x170 [ 421.027503] ? find_held_lock+0x36/0x1c0 [ 421.031580] ? find_held_lock+0x36/0x1c0 [ 421.035656] ? __kthread_parkme+0xce/0x1a0 [ 421.039900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.045010] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.050119] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.054706] ? trace_hardirqs_on+0xbd/0x310 [ 421.059033] ? kasan_check_read+0x11/0x20 [ 421.063188] ? __kthread_parkme+0xce/0x1a0 [ 421.067426] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.072887] ? kasan_check_write+0x14/0x20 [ 421.077123] ? do_raw_spin_lock+0xc1/0x200 [ 421.081365] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.086481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.092028] ? __kthread_parkme+0xfb/0x1a0 [ 421.096277] kthread+0x35a/0x420 [ 421.099649] ? process_one_work+0x1b90/0x1b90 [ 421.104144] ? kthread_bind+0x40/0x40 [ 421.107953] ret_from_fork+0x3a/0x50 [ 421.111683] warn_alloc_show_mem: 1 callbacks suppressed [ 421.111695] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 421.111697] Mem-Info: [ 421.111728] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 421.111728] active_file:14 inactive_file:13 isolated_file:0 [ 421.111728] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.111728] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 421.111728] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 421.111728] free:13770 free_pcp:433 free_cma:0 [ 421.117065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.117074] Call Trace: [ 421.124443] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.126840] [ 421.159882] Node 0 [ 421.169243] dump_stack+0x1c4/0x2b4 [ 421.171824] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.199401] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.201526] lowmem_reserve[]: [ 421.203771] warn_alloc.cold.119+0xb7/0x1bd [ 421.207364] 0 [ 421.232865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.238027] 2819 [ 421.241126] ? lock_downgrade+0x900/0x900 [ 421.245420] 6323 [ 421.247222] ? trace_hardirqs_off+0xb8/0x310 [ 421.252029] 6323 [ 421.254096] ? trace_hardirqs_off+0xb8/0x310 [ 421.258234] Node 0 [ 421.260297] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.264705] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 421.266766] ? warn_alloc+0x120/0x120 [ 421.271119] lowmem_reserve[]: 0 [ 421.273360] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.278176] 0 [ 421.305154] ? warn_alloc+0x120/0x120 [ 421.308932] 3503 [ 421.312207] ? print_usage_bug+0xc0/0xc0 [ 421.317192] 3503 [ 421.319002] ? warn_alloc+0x120/0x120 [ 421.322773] Node 0 [ 421.324832] ? print_usage_bug+0xc0/0xc0 [ 421.328898] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 421.330932] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.334700] lowmem_reserve[]: 0 [ 421.336951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.340976] 0 0 [ 421.369540] ? should_fail+0x22d/0xd01 [ 421.374704] 0 [ 421.377978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.385484] ? __lock_acquire+0x7ec/0x4ec0 [ 421.389354] Node 0 [ 421.391155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.396232] DMA: [ 421.400460] ? should_fail+0x22d/0xd01 [ 421.402686] 1*4kB [ 421.407789] ? mark_held_locks+0x130/0x130 [ 421.409819] (U) [ 421.413701] ? mark_held_locks+0x130/0x130 [ 421.415828] 0*8kB [ 421.420056] ? print_usage_bug+0xc0/0xc0 [ 421.422010] 0*16kB [ 421.426235] ? find_held_lock+0x36/0x1c0 [ 421.428362] 1*32kB [ 421.432413] ? graph_lock+0x170/0x170 [ 421.434628] (U) [ 421.438684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.440898] 2*64kB [ 421.444692] ? check_preemption_disabled+0x48/0x200 [ 421.446642] (U) [ 421.452178] ? check_preemption_disabled+0x48/0x200 [ 421.454410] 1*128kB [ 421.459425] ? __lock_is_held+0xb5/0x140 [ 421.461368] (U) [ 421.466384] __alloc_pages_nodemask+0xa80/0xde0 [ 421.468678] 1*256kB (U) [ 421.472742] ? graph_lock+0x170/0x170 [ 421.474692] 0*512kB 1*1024kB [ 421.479365] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.482034] (U) [ 421.485831] ? graph_lock+0x170/0x170 [ 421.488918] 1*2048kB [ 421.493938] ? find_held_lock+0x36/0x1c0 [ 421.495886] (M) [ 421.500200] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.502584] 3*4096kB [ 421.506653] ? lock_downgrade+0x900/0x900 [ 421.508607] (M) [ 421.513275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.515660] = 15908kB [ 421.519804] cache_grow_begin+0x91/0x8c0 [ 421.521757] Node 0 [ 421.527291] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.529675] DMA32: [ 421.533733] fallback_alloc+0x203/0x2e0 [ 421.535943] 5*4kB [ 421.540348] ____cache_alloc_node+0x1c7/0x1e0 [ 421.542561] (UMH) [ 421.546532] kmem_cache_alloc_node+0xe3/0x730 [ 421.548656] 2*8kB [ 421.553142] ? mark_held_locks+0xc7/0x130 [ 421.555266] (MH) [ 421.559764] __alloc_skb+0x119/0x770 [ 421.561886] 3*16kB [ 421.566029] ? skb_scrub_packet+0x490/0x490 [ 421.568069] (MH) [ 421.571780] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 421.573986] 3*32kB (MH) [ 421.578340] ? queue_work_on+0x12c/0x1e0 [ 421.580374] 5*64kB (MH) [ 421.584964] ? switchdev_port_obj_del+0xdc/0x450 [ 421.587606] 3*128kB [ 421.591661] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.594305] (M) [ 421.599055] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.601350] 5*256kB (UMH) [ 421.606721] __br_mdb_notify+0x4ff/0x15d0 [ 421.608671] 5*512kB [ 421.613682] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.616500] (UMH) 4*1024kB [ 421.620659] ? __br_mdb_add+0x7f0/0x7f0 [ 421.622955] (UMH) [ 421.628055] ? kasan_check_write+0x14/0x20 [ 421.630956] 2*2048kB (M) [ 421.634940] ? do_raw_spin_lock+0xc1/0x200 [ 421.637064] 3*4096kB [ 421.641293] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.644025] (M) [ 421.648257] ? debug_object_assert_init+0x368/0x4b0 [ 421.650642] = 25204kB [ 421.655742] ? debug_object_init_on_stack+0x20/0x20 [ 421.657694] Node 0 [ 421.662703] ? graph_lock+0x170/0x170 [ 421.665089] Normal: [ 421.670099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.672316] 990*4kB [ 421.676113] br_mdb_notify+0x310/0x410 [ 421.678408] (UMEH) [ 421.683939] ? br_mdb_dump+0x27b0/0x27b0 [ 421.686234] 505*8kB (MEH) [ 421.690134] br_multicast_del_pg+0x3df/0x790 [ 421.692339] 189*16kB [ 421.696392] ? br_mdb_ip_get+0x940/0x940 [ 421.699215] (MEH) [ 421.703626] ? kasan_check_write+0x14/0x20 [ 421.706011] 66*32kB [ 421.710068] ? do_raw_spin_lock+0xc1/0x200 [ 421.712193] (UMH) [ 421.716424] br_multicast_port_group_expired+0x189/0x1e0 [ 421.718720] 0*64kB [ 421.722950] call_timer_fn+0x272/0x920 [ 421.725073] 1*128kB [ 421.730516] ? br_multicast_del_pg+0x790/0x790 [ 421.732730] (H) [ 421.736616] ? process_timeout+0x40/0x40 [ 421.738915] 1*256kB [ 421.743495] ? find_held_lock+0x36/0x1c0 [ 421.745449] (H) 1*512kB [ 421.749524] ? __run_timers+0x7da/0xc70 [ 421.751818] (H) [ 421.755875] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.758537] 0*1024kB [ 421.762512] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.764475] 0*2048kB [ 421.768964] ? br_multicast_del_pg+0x790/0x790 [ 421.771347] 0*4096kB = 14032kB [ 421.775843] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.778236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.782806] ? trace_hardirqs_on+0xbd/0x310 [ 421.785985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.790565] ? kasan_check_read+0x11/0x20 [ 421.799375] 5170 total pagecache pages [ 421.803691] ? __run_timers+0x7da/0xc70 [ 421.812246] 0 pages in swap cache [ 421.816381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.820247] Swap cache stats: add 0, delete 0, find 0/0 [ 421.824214] ? br_multicast_del_pg+0x790/0x790 [ 421.827639] Free swap = 0kB [ 421.833085] ? br_multicast_del_pg+0x790/0x790 [ 421.838422] Total swap = 0kB [ 421.843004] __run_timers+0x7e5/0xc70 [ 421.846005] 1965979 pages RAM [ 421.850593] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.853581] 0 pages HighMem/MovableOnly [ 421.857376] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.860460] 342306 pages reserved [ 421.865825] ? graph_lock+0x170/0x170 [ 421.869781] 0 pages cma reserved [ 421.874790] ? enqueue_hrtimer+0x1a5/0x560 [ 421.878385] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.882016] ? lock_release+0x970/0x970 [ 421.885364] kworker/0:2 cpuset= [ 421.889594] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.899884] / [ 421.903854] ? find_held_lock+0x36/0x1c0 [ 421.907107] mems_allowed=0 [ 421.912287] ? graph_lock+0x170/0x170 [ 421.924744] ? pvclock_read_flags+0x160/0x160 [ 421.929242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.934787] ? check_preemption_disabled+0x48/0x200 [ 421.939818] ? __lock_is_held+0xb5/0x140 [ 421.943888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.949432] ? check_preemption_disabled+0x48/0x200 [ 421.954461] run_timer_softirq+0x52/0xb0 [ 421.958540] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.963559] __do_softirq+0x30b/0xad8 [ 421.967379] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.972498] ? pvclock_read_flags+0x160/0x160 [ 421.977000] ? lapic_next_event+0x5a/0x90 [ 421.981157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.986700] ? check_preemption_disabled+0x48/0x200 [ 421.991716] ? check_preemption_disabled+0x48/0x200 [ 421.996745] ? kvm_clock_read+0x18/0x30 [ 422.000722] ? kvm_sched_clock_read+0x9/0x20 [ 422.005133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.010672] ? check_preemption_disabled+0x48/0x200 [ 422.015703] irq_exit+0x17f/0x1c0 [ 422.019161] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.024011] ? smp_reschedule_interrupt+0x109/0x650 [ 422.029032] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.034925] ? interrupt_entry+0xb5/0xf0 [ 422.038999] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.044019] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.049041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.053884] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.058904] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.063926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.069474] ? check_preemption_disabled+0x48/0x200 [ 422.074495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.080045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.084898] apic_timer_interrupt+0xf/0x20 [ 422.089132] [ 422.091376] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 422.096307] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 422.115210] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 422.122921] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.130188] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 422.137455] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 422.144729] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 422.152001] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 422.159324] skb_clone+0x1bb/0x500 [ 422.162867] ? finish_task_switch+0x2f5/0x900 [ 422.167367] ? skb_split+0x11e0/0x11e0 [ 422.171259] ? preempt_notifier_register+0x200/0x200 [ 422.176365] ? __switch_to_asm+0x34/0x70 [ 422.180431] ? __switch_to_asm+0x34/0x70 [ 422.184500] ? __switch_to_asm+0x40/0x70 [ 422.188562] ? __switch_to_asm+0x34/0x70 [ 422.192623] ? __switch_to_asm+0x40/0x70 [ 422.196685] ? __switch_to_asm+0x34/0x70 [ 422.200752] ? __switch_to_asm+0x40/0x70 [ 422.204819] ? __switch_to_asm+0x34/0x70 [ 422.208886] ? __switch_to_asm+0x34/0x70 [ 422.212946] ? __switch_to_asm+0x40/0x70 [ 422.217015] ? __switch_to_asm+0x34/0x70 [ 422.221090] bpf_clone_redirect+0xb9/0x490 [ 422.225327] ? __schedule+0x874/0x1ed0 [ 422.229227] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 422.234249] ? __sched_text_start+0x8/0x8 [ 422.238413] ? find_held_lock+0x36/0x1c0 [ 422.242491] ? lock_acquire+0x1ed/0x520 [ 422.246476] ? bpf_test_run+0x3cb/0x780 [ 422.250458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.256014] ? check_preemption_disabled+0x48/0x200 [ 422.261040] ? kasan_check_read+0x11/0x20 [ 422.265196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.270489] ? rcu_bh_qs+0xc0/0xc0 [ 422.274033] ? preempt_schedule+0x4d/0x60 [ 422.278185] ? ___preempt_schedule+0x16/0x18 [ 422.282604] ? bpf_test_run+0x25d/0x780 [ 422.286593] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.291011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.296558] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 422.301324] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.306169] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.311711] ? fput+0x130/0x1a0 [ 422.315000] ? __bpf_prog_get+0x9b/0x290 [ 422.319071] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.323913] ? bpf_prog_test_run+0x130/0x1a0 [ 422.328331] ? __x64_sys_bpf+0x3d8/0x520 [ 422.332398] ? bpf_prog_get+0x20/0x20 [ 422.336224] ? do_syscall_64+0x1b9/0x820 [ 422.340289] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.345687] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.350627] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.355650] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.360673] ? recalc_sigpending_tsk+0x180/0x180 [ 422.365595] ? kasan_check_write+0x14/0x20 [ 422.369841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.374696] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.380084] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 422.380256] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.387194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.397661] syz-executor2 cpuset=syz2 [ 422.407016] Workqueue: events_power_efficient neigh_periodic_work [ 422.410815] mems_allowed=0 [ 422.417027] Call Trace: [ 422.422520] [ 422.424683] dump_stack+0x1c4/0x2b4 [ 422.428316] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.433528] warn_alloc.cold.119+0xb7/0x1bd [ 422.437857] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.442705] ? lock_downgrade+0x900/0x900 [ 422.446862] ? trace_hardirqs_off+0xb8/0x310 [ 422.451279] ? trace_hardirqs_off+0xb8/0x310 [ 422.455701] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.460580] ? warn_alloc+0x120/0x120 [ 422.464390] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.469412] ? warn_alloc+0x120/0x120 [ 422.473221] ? print_usage_bug+0xc0/0xc0 [ 422.477284] ? warn_alloc+0x120/0x120 [ 422.481088] ? print_usage_bug+0xc0/0xc0 [ 422.485159] ? rcu_bh_qs+0xc0/0xc0 [ 422.488712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.494260] ? should_fail+0x22d/0xd01 [ 422.498153] ? __lock_acquire+0x7ec/0x4ec0 [ 422.502397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.507513] ? __lock_acquire+0x7ec/0x4ec0 [ 422.511764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.516871] ? __lock_acquire+0x7ec/0x4ec0 [ 422.521131] ? should_fail+0x22d/0xd01 [ 422.525041] ? mark_held_locks+0x130/0x130 [ 422.529284] ? mark_held_locks+0x130/0x130 [ 422.533537] ? graph_lock+0x170/0x170 [ 422.537338] ? print_usage_bug+0xc0/0xc0 [ 422.541403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.546944] ? check_preemption_disabled+0x48/0x200 [ 422.551960] ? check_preemption_disabled+0x48/0x200 [ 422.556991] ? __lock_is_held+0xb5/0x140 [ 422.561063] __alloc_pages_nodemask+0xa80/0xde0 [ 422.565733] ? graph_lock+0x170/0x170 [ 422.569543] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.574563] ? graph_lock+0x170/0x170 [ 422.578379] ? find_held_lock+0x36/0x1c0 [ 422.582457] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.587143] ? lock_downgrade+0x900/0x900 [ 422.591321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.596870] cache_grow_begin+0x91/0x8c0 [ 422.600935] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.605356] fallback_alloc+0x203/0x2e0 [ 422.609341] ____cache_alloc_node+0x1c7/0x1e0 [ 422.613844] kmem_cache_alloc_node+0xe3/0x730 [ 422.618345] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.622592] __alloc_skb+0x119/0x770 [ 422.626310] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.631598] ? skb_scrub_packet+0x490/0x490 [ 422.635921] ? lock_downgrade+0x900/0x900 [ 422.640083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.645624] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.651080] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.656549] ? addrconf_rs_timer+0x690/0x690 [ 422.660972] ndisc_alloc_skb+0x144/0x340 [ 422.665038] ndisc_send_rs+0x331/0x6e0 [ 422.668937] addrconf_rs_timer+0x314/0x690 [ 422.673182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.677436] call_timer_fn+0x272/0x920 [ 422.681333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.685569] ? process_timeout+0x40/0x40 [ 422.689632] ? find_held_lock+0x36/0x1c0 [ 422.693704] ? mark_held_locks+0xc7/0x130 [ 422.697860] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.702359] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.706852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.711091] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 422.715676] ? trace_hardirqs_on+0xbd/0x310 [ 422.720002] ? kasan_check_read+0x11/0x20 [ 422.724154] ? __run_timers+0x7da/0xc70 [ 422.728128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.733597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.737834] __run_timers+0x7e5/0xc70 [ 422.741652] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.747019] ? lock_downgrade+0x900/0x900 [ 422.751183] ? print_usage_bug+0xc0/0xc0 [ 422.755244] ? trace_hardirqs_on+0x310/0x310 [ 422.759669] ? kvm_clock_read+0x18/0x30 [ 422.763646] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.768667] ? graph_lock+0x170/0x170 [ 422.772483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.778028] ? check_preemption_disabled+0x48/0x200 [ 422.783059] ? __lock_is_held+0xb5/0x140 [ 422.787125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.792673] ? check_preemption_disabled+0x48/0x200 [ 422.797703] run_timer_softirq+0x52/0xb0 [ 422.801768] ? rcu_read_lock_sched_held+0x108/0x120 [ 422.806789] __do_softirq+0x30b/0xad8 [ 422.810606] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.815711] ? irq_exit+0xbd/0x1c0 [ 422.819254] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 422.824276] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.830168] ? ret_from_intr+0xb/0x1e [ 422.833973] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.838994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.843844] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.848867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.854412] ? check_preemption_disabled+0x48/0x200 [ 422.859429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.864981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.869832] ? neigh_periodic_work+0x6bd/0xc60 [ 422.874422] do_softirq_own_stack+0x2a/0x40 [ 422.878741] [ 422.880980] do_softirq.part.13+0x126/0x160 [ 422.885307] __local_bh_enable_ip+0x21d/0x260 [ 422.889808] _raw_write_unlock_bh+0x30/0x40 [ 422.894135] neigh_periodic_work+0x6bd/0xc60 [ 422.898561] ? neigh_table_clear+0x390/0x390 [ 422.902975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.908522] ? check_preemption_disabled+0x48/0x200 [ 422.913543] ? check_preemption_disabled+0x48/0x200 [ 422.918575] ? __lock_is_held+0xb5/0x140 [ 422.922651] process_one_work+0xc90/0x1b90 [ 422.926886] ? mark_held_locks+0x130/0x130 [ 422.931138] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 422.935807] ? __switch_to_asm+0x40/0x70 [ 422.939870] ? __switch_to_asm+0x40/0x70 [ 422.943934] ? __switch_to_asm+0x34/0x70 [ 422.947996] ? __switch_to_asm+0x40/0x70 [ 422.952058] ? __switch_to_asm+0x34/0x70 [ 422.956123] ? __switch_to_asm+0x40/0x70 [ 422.960184] ? __switch_to_asm+0x34/0x70 [ 422.964245] ? __switch_to_asm+0x40/0x70 [ 422.968314] ? __schedule+0x874/0x1ed0 [ 422.972204] ? __switch_to_asm+0x34/0x70 [ 422.976265] ? __switch_to_asm+0x40/0x70 [ 422.980342] ? kasan_check_read+0x11/0x20 [ 422.984507] ? graph_lock+0x170/0x170 [ 422.988317] ? __sched_text_start+0x8/0x8 [ 422.992479] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.997068] ? retint_kernel+0x2d/0x2d [ 423.000962] ? find_held_lock+0x36/0x1c0 [ 423.005031] ? lock_acquire+0x1ed/0x520 [ 423.009006] ? worker_thread+0x3e0/0x1390 [ 423.013167] ? lock_release+0x970/0x970 [ 423.017143] ? trace_hardirqs_off+0xb8/0x310 [ 423.021553] ? kasan_check_read+0x11/0x20 [ 423.025704] ? worker_thread+0x3e0/0x1390 [ 423.029853] ? trace_hardirqs_on+0x310/0x310 [ 423.034266] ? kasan_check_write+0x14/0x20 [ 423.038513] ? do_raw_spin_lock+0xc1/0x200 [ 423.042761] worker_thread+0x17f/0x1390 [ 423.046738] ? __switch_to_asm+0x34/0x70 [ 423.050818] ? process_one_work+0x1b90/0x1b90 [ 423.055331] ? graph_lock+0x170/0x170 [ 423.059133] ? graph_lock+0x170/0x170 [ 423.062936] ? find_held_lock+0x36/0x1c0 [ 423.067010] ? find_held_lock+0x36/0x1c0 [ 423.071084] ? __kthread_parkme+0xce/0x1a0 [ 423.075325] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.080429] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.085533] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.090121] ? trace_hardirqs_on+0xbd/0x310 [ 423.094449] ? kasan_check_read+0x11/0x20 [ 423.098628] ? __kthread_parkme+0xce/0x1a0 [ 423.102874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.108331] ? kasan_check_write+0x14/0x20 [ 423.112568] ? do_raw_spin_lock+0xc1/0x200 [ 423.116813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.121919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.127459] ? __kthread_parkme+0xfb/0x1a0 [ 423.131716] kthread+0x35a/0x420 [ 423.135087] ? process_one_work+0x1b90/0x1b90 [ 423.139581] ? kthread_bind+0x40/0x40 [ 423.143386] ret_from_fork+0x3a/0x50 [ 423.147117] warn_alloc_show_mem: 1 callbacks suppressed [ 423.147128] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 423.147130] Mem-Info: [ 423.147161] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 423.147161] active_file:14 inactive_file:13 isolated_file:0 [ 423.147161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.147161] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 423.147161] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 423.147161] free:13770 free_pcp:433 free_cma:0 [ 423.152500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.152508] Call Trace: [ 423.159877] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.162276] [ 423.195317] Node 0 [ 423.204668] dump_stack+0x1c4/0x2b4 [ 423.207249] 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 [ 423.234808] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.236924] lowmem_reserve[]: 0 [ 423.239175] warn_alloc.cold.119+0xb7/0x1bd [ 423.242759] 2819 6323 [ 423.268266] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.273429] 6323 [ 423.276703] ? lock_downgrade+0x900/0x900 [ 423.280995] Node 0 DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.283510] ? trace_hardirqs_off+0xb8/0x310 [ 423.288328] lowmem_reserve[]: [ 423.290394] ? trace_hardirqs_off+0xb8/0x310 [ 423.294521] 0 [ 423.322107] __alloc_pages_slowpath+0x2667/0x2d80 [ 423.326495] 0 [ 423.329621] ? warn_alloc+0x120/0x120 [ 423.333971] 3503 3503 [ 423.335793] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.340609] Node 0 [ 423.342406] ? warn_alloc+0x120/0x120 [ 423.346212] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 423.348679] ? print_usage_bug+0xc0/0xc0 [ 423.353685] lowmem_reserve[]: [ 423.355917] ? warn_alloc+0x120/0x120 [ 423.359695] 0 [ 423.388241] ? print_usage_bug+0xc0/0xc0 [ 423.392286] 0 [ 423.395388] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.399157] 0 0 [ 423.400976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.405005] Node 0 [ 423.406804] ? should_fail+0x22d/0xd01 [ 423.411958] DMA: 1*4kB [ 423.413943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.419455] (U) [ 423.421694] ? __lock_acquire+0x7ec/0x4ec0 [ 423.425556] 0*8kB [ 423.428134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.433215] 0*16kB [ 423.435187] ? should_fail+0x22d/0xd01 [ 423.439395] 1*32kB (U) [ 423.441557] ? mark_held_locks+0x130/0x130 [ 423.446630] 2*64kB [ 423.448860] ? mark_held_locks+0x130/0x130 [ 423.452721] (U) [ 423.455300] ? print_usage_bug+0xc0/0xc0 [ 423.459515] 1*128kB [ 423.461750] ? find_held_lock+0x36/0x1c0 [ 423.465958] (U) [ 423.467963] ? graph_lock+0x170/0x170 [ 423.472006] 1*256kB [ 423.474329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.478364] (U) [ 423.480338] ? check_preemption_disabled+0x48/0x200 [ 423.484109] 0*512kB [ 423.486430] ? check_preemption_disabled+0x48/0x200 [ 423.491941] 1*1024kB [ 423.493919] ? __lock_is_held+0xb5/0x140 [ 423.499032] (U) [ 423.501362] __alloc_pages_nodemask+0xa80/0xde0 [ 423.506352] 1*2048kB [ 423.508754] ? graph_lock+0x170/0x170 [ 423.512790] (M) [ 423.514764] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.519400] 3*4096kB (M) [ 423.521811] ? graph_lock+0x170/0x170 [ 423.525591] = 15908kB [ 423.527571] ? find_held_lock+0x36/0x1c0 [ 423.532556] Node 0 [ 423.535316] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.539081] DMA32: 5*4kB [ 423.541498] ? lock_downgrade+0x900/0x900 [ 423.545538] (UMH) [ 423.547773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.552408] 2*8kB (MH) [ 423.555170] cache_grow_begin+0x91/0x8c0 [ 423.559286] 3*16kB (MH) [ 423.561440] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.566951] 3*32kB [ 423.569538] fallback_alloc+0x203/0x2e0 [ 423.573569] (MH) [ 423.576239] ____cache_alloc_node+0x1c7/0x1e0 [ 423.580615] 5*64kB (MH) [ 423.582859] kmem_cache_alloc_node+0xe3/0x730 [ 423.586809] 3*128kB [ 423.588864] ? mark_held_locks+0xc7/0x130 [ 423.593334] (M) [ 423.596011] __alloc_skb+0x119/0x770 [ 423.600481] 5*256kB [ 423.602802] ? skb_scrub_packet+0x490/0x490 [ 423.606921] (UMH) 5*512kB [ 423.608903] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 423.612592] (UMH) [ 423.614912] ? queue_work_on+0x12c/0x1e0 [ 423.619207] 4*1024kB [ 423.622047] ? switchdev_port_obj_del+0xdc/0x450 [ 423.626602] (UMH) [ 423.628748] ? switchdev_trans_item_enqueue+0x260/0x260 [ 423.632782] 2*2048kB [ 423.635189] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.639918] (M) [ 423.642067] __br_mdb_notify+0x4ff/0x15d0 [ 423.647395] 3*4096kB (M) [ 423.649810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.654797] = 25204kB [ 423.656773] ? __br_mdb_add+0x7f0/0x7f0 [ 423.660894] Node 0 [ 423.663648] ? kasan_check_write+0x14/0x20 [ 423.668726] Normal: [ 423.671132] ? do_raw_spin_lock+0xc1/0x200 [ 423.675081] 990*4kB [ 423.677314] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.681524] (UMEH) [ 423.683847] ? debug_object_assert_init+0x368/0x4b0 [ 423.688052] 505*8kB [ 423.690372] ? debug_object_init_on_stack+0x20/0x20 [ 423.695451] (MEH) [ 423.697691] ? graph_lock+0x170/0x170 [ 423.702687] 189*16kB [ 423.705009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.710005] (MEH) [ 423.712153] br_mdb_notify+0x310/0x410 [ 423.715928] 66*32kB [ 423.718333] ? br_mdb_dump+0x27b0/0x27b0 [ 423.723845] (UMH) [ 423.726005] br_multicast_del_pg+0x3df/0x790 [ 423.729852] 0*64kB [ 423.732171] ? br_mdb_ip_get+0x940/0x940 [ 423.736199] 1*128kB (H) [ 423.738375] ? kasan_check_write+0x14/0x20 [ 423.742751] 1*256kB (H) [ 423.744995] ? do_raw_spin_lock+0xc1/0x200 [ 423.749028] 1*512kB [ 423.751701] br_multicast_port_group_expired+0x189/0x1e0 [ 423.755905] (H) [ 423.758575] call_timer_fn+0x272/0x920 [ 423.762776] 0*1024kB 0*2048kB [ 423.765103] ? br_multicast_del_pg+0x790/0x790 [ 423.770532] 0*4096kB [ 423.772507] ? process_timeout+0x40/0x40 [ 423.772524] ? find_held_lock+0x36/0x1c0 [ 423.776388] = 14032kB [ 423.779582] ? __run_timers+0x7da/0xc70 [ 423.784145] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.786545] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.790589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.794641] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.797027] 5170 total pagecache pages [ 423.800999] ? br_multicast_del_pg+0x790/0x790 [ 423.809810] 0 pages in swap cache [ 423.814293] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 423.822863] Swap cache stats: add 0, delete 0, find 0/0 [ 423.827346] ? trace_hardirqs_on+0xbd/0x310 [ 423.831209] Free swap = 0kB [ 423.835785] ? kasan_check_read+0x11/0x20 [ 423.839209] Total swap = 0kB [ 423.843789] ? __run_timers+0x7da/0xc70 [ 423.849124] 1965979 pages RAM [ 423.853460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.856464] 0 pages HighMem/MovableOnly [ 423.860613] ? br_multicast_del_pg+0x790/0x790 [ 423.863602] 342306 pages reserved [ 423.863610] 0 pages cma reserved [ 423.867581] ? br_multicast_del_pg+0x790/0x790 [ 423.870727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.876098] __run_timers+0x7e5/0xc70 [ 423.876127] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 423.876145] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.880158] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.884674] ? graph_lock+0x170/0x170 [ 423.888107] kworker/0:2 cpuset= [ 423.891489] ? enqueue_hrtimer+0x1a5/0x560 [ 423.896052] / [ 423.902536] ? lock_release+0x970/0x970 [ 423.902552] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.906336] mems_allowed=0 [ 423.911694] ? find_held_lock+0x36/0x1c0 [ 423.956086] ? graph_lock+0x170/0x170 [ 423.959890] ? pvclock_read_flags+0x160/0x160 [ 423.964391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.969933] ? check_preemption_disabled+0x48/0x200 [ 423.974965] ? __lock_is_held+0xb5/0x140 [ 423.979063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.984615] ? check_preemption_disabled+0x48/0x200 [ 423.989645] run_timer_softirq+0x52/0xb0 [ 423.993708] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.998727] __do_softirq+0x30b/0xad8 [ 424.002540] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.007651] ? pvclock_read_flags+0x160/0x160 [ 424.012146] ? lapic_next_event+0x5a/0x90 [ 424.016296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.021835] ? check_preemption_disabled+0x48/0x200 [ 424.026857] ? check_preemption_disabled+0x48/0x200 [ 424.031913] ? kvm_clock_read+0x18/0x30 [ 424.035891] ? kvm_sched_clock_read+0x9/0x20 [ 424.040303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.045842] ? check_preemption_disabled+0x48/0x200 [ 424.050878] irq_exit+0x17f/0x1c0 [ 424.054338] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.059183] ? smp_reschedule_interrupt+0x109/0x650 [ 424.064203] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.070093] ? interrupt_entry+0xb5/0xf0 [ 424.074163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.079181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.084199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.089046] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.094067] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.099085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.104629] ? check_preemption_disabled+0x48/0x200 [ 424.109651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.115202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.120062] apic_timer_interrupt+0xf/0x20 [ 424.124293] [ 424.126562] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.131502] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 424.150402] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.158121] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.165395] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 424.172665] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 424.179952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 424.187218] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 424.194543] skb_clone+0x1bb/0x500 [ 424.198088] ? finish_task_switch+0x2f5/0x900 [ 424.202587] ? skb_split+0x11e0/0x11e0 [ 424.206490] ? preempt_notifier_register+0x200/0x200 [ 424.211601] ? __switch_to_asm+0x34/0x70 [ 424.215664] ? __switch_to_asm+0x34/0x70 [ 424.219726] ? __switch_to_asm+0x40/0x70 [ 424.223790] ? __switch_to_asm+0x34/0x70 [ 424.227854] ? __switch_to_asm+0x40/0x70 [ 424.231914] ? __switch_to_asm+0x34/0x70 [ 424.235974] ? __switch_to_asm+0x40/0x70 [ 424.240041] ? __switch_to_asm+0x34/0x70 [ 424.244103] ? __switch_to_asm+0x34/0x70 [ 424.248167] ? __switch_to_asm+0x40/0x70 [ 424.252233] ? __switch_to_asm+0x34/0x70 [ 424.256305] bpf_clone_redirect+0xb9/0x490 [ 424.260541] ? __schedule+0x874/0x1ed0 [ 424.264439] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 424.269474] ? __sched_text_start+0x8/0x8 [ 424.273657] ? find_held_lock+0x36/0x1c0 [ 424.277729] ? lock_acquire+0x1ed/0x520 [ 424.281708] ? bpf_test_run+0x3cb/0x780 [ 424.285686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.291229] ? check_preemption_disabled+0x48/0x200 [ 424.296254] ? kasan_check_read+0x11/0x20 [ 424.300413] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.305702] ? rcu_bh_qs+0xc0/0xc0 [ 424.309250] ? preempt_schedule+0x4d/0x60 [ 424.313400] ? ___preempt_schedule+0x16/0x18 [ 424.317819] ? bpf_test_run+0x25d/0x780 [ 424.321811] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.326231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.331779] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 424.336546] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.341392] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.346929] ? fput+0x130/0x1a0 [ 424.350216] ? __bpf_prog_get+0x9b/0x290 [ 424.354290] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.359137] ? bpf_prog_test_run+0x130/0x1a0 [ 424.363552] ? __x64_sys_bpf+0x3d8/0x520 [ 424.367827] ? bpf_prog_get+0x20/0x20 [ 424.371652] ? do_syscall_64+0x1b9/0x820 [ 424.375722] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.381091] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.386026] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.391045] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.396063] ? recalc_sigpending_tsk+0x180/0x180 [ 424.400822] ? kasan_check_write+0x14/0x20 [ 424.405067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.409934] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.415323] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 424.415359] rcu: INFO: rcu_preempt self-detected stall on CPU [ 424.422436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.422459] Workqueue: events_power_efficient neigh_periodic_work [ 424.443887] Call Trace: [ 424.444240] rcu: 1-...!: (1 GPs behind) idle=886/1/0x4000000000000004 softirq=25684/25685 fqs=9 [ 424.446460] [ 424.446497] dump_stack+0x1c4/0x2b4 [ 424.446516] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.446545] warn_alloc.cold.119+0xb7/0x1bd [ 424.446561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.446579] ? lock_downgrade+0x900/0x900 [ 424.446603] ? trace_hardirqs_off+0xb8/0x310 [ 424.446623] ? trace_hardirqs_off+0xb8/0x310 [ 424.446644] __alloc_pages_slowpath+0x2667/0x2d80 [ 424.446688] ? warn_alloc+0x120/0x120 [ 424.456047] rcu: [ 424.458199] ? warn_alloc+0x120/0x120 [ 424.461803] (t=10555 jiffies g=32393 q=7) [ 424.466982] ? print_usage_bug+0xc0/0xc0 [ 424.471299] rcu: rcu_preempt kthread starved for 7696 jiffies! g32393 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 424.476126] ? warn_alloc+0x120/0x120 [ 424.480248] rcu: RCU grace-period kthread stack dump: [ 424.484659] ? print_usage_bug+0xc0/0xc0 [ 424.489045] rcu_preempt R [ 424.493879] ? __lock_acquire+0x7ec/0x4ec0 [ 424.497652] running task [ 424.499801] ? __lock_acquire+0x7ec/0x4ec0 [ 424.503586] 21560 10 2 0x80000000 [ 424.507838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.511883] Call Trace: [ 424.522274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.526067] __schedule+0x86c/0x1ed0 [ 424.531242] ? should_fail+0x22d/0xd01 [ 424.535292] ? __sched_text_start+0x8/0x8 [ 424.538379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.542598] ? __mod_timer+0x6f6/0x1870 [ 424.545778] ? __lock_acquire+0x7ec/0x4ec0 [ 424.550006] ? add_timer_on+0x9f0/0x9f0 [ 424.554132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.559657] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.562227] ? __lock_acquire+0x7ec/0x4ec0 [ 424.567748] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.571445] ? should_fail+0x22d/0xd01 [ 424.575318] ? trace_hardirqs_on+0xbd/0x310 [ 424.579456] ? mark_held_locks+0x130/0x130 [ 424.584555] ? kasan_check_read+0x11/0x20 [ 424.588531] ? mark_held_locks+0x130/0x130 [ 424.592751] ? prepare_to_swait_event+0x25a/0x800 [ 424.596711] ? graph_lock+0x170/0x170 [ 424.601801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.606891] ? print_usage_bug+0xc0/0xc0 [ 424.611113] schedule+0xfe/0x460 [ 424.616194] ? graph_lock+0x170/0x170 [ 424.620066] ? __schedule+0x1ed0/0x1ed0 [ 424.624370] ? print_usage_bug+0xc0/0xc0 [ 424.628599] ? prepare_to_swait_event+0x25a/0x800 [ 424.632728] ? wq_watchdog_touch+0x9c/0xfe [ 424.636949] ? __init_swait_queue_head+0x150/0x150 [ 424.641778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.645567] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.651003] ? check_preemption_disabled+0x48/0x200 [ 424.655055] ? __lockdep_init_map+0x105/0x590 [ 424.658407] ? check_preemption_disabled+0x48/0x200 [ 424.662194] ? lockdep_init_map+0x9/0x10 [ 424.666158] ? __lock_is_held+0xb5/0x140 [ 424.670204] schedule_timeout+0x140/0x260 [ 424.675041] __alloc_pages_nodemask+0xa80/0xde0 [ 424.679258] ? usleep_range+0x1a0/0x1a0 [ 424.684188] ? graph_lock+0x170/0x170 [ 424.689725] ? __next_timer_interrupt+0x1a0/0x1a0 [ 424.694818] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 424.699821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.704382] ? graph_lock+0x170/0x170 [ 424.704408] ? find_held_lock+0x36/0x1c0 [ 424.709411] rcu_gp_kthread+0x9d9/0x2310 [ 424.713460] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.717542] ? rcu_gp_init+0x1830/0x1830 [ 424.721649] ? lock_downgrade+0x900/0x900 [ 424.726302] ? update_curr+0x344/0xbe0 [ 424.730265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.734046] ? graph_lock+0x170/0x170 [ 424.738879] cache_grow_begin+0x91/0x8c0 [ 424.743875] ? __account_cfs_rq_runtime+0x790/0x790 [ 424.749399] ? do_raw_spin_unlock+0xa7/0x2f0 [ 424.753181] ? __lock_acquire+0x7ec/0x4ec0 [ 424.757233] fallback_alloc+0x203/0x2e0 [ 424.761276] ? graph_lock+0x170/0x170 [ 424.765932] ____cache_alloc_node+0x1c7/0x1e0 [ 424.769981] ? mark_held_locks+0x130/0x130 [ 424.774114] kmem_cache_alloc_node+0xe3/0x730 [ 424.777988] ? __lock_is_held+0xb5/0x140 [ 424.783508] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.787295] ? __account_cfs_rq_runtime+0x790/0x790 [ 424.791350] __alloc_skb+0x119/0x770 [ 424.796356] ? set_next_entity+0x2f0/0xaf0 [ 424.800747] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.804966] ? mark_held_locks+0x130/0x130 [ 424.808926] ? skb_scrub_packet+0x490/0x490 [ 424.812714] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.817200] ? lock_downgrade+0x900/0x900 [ 424.821425] ? update_load_avg+0x2470/0x2470 [ 424.825909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.829953] ? __enqueue_entity+0x10d/0x1f0 [ 424.834176] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.839179] ? graph_lock+0x170/0x170 [ 424.842876] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.847097] ? match_held_lock+0x291/0x8d0 [ 424.852359] ? addrconf_rs_timer+0x690/0x690 [ 424.856576] ? graph_lock+0x170/0x170 [ 424.860891] ndisc_alloc_skb+0x144/0x340 [ 424.865892] ? match_held_lock+0x290/0x8d0 [ 424.870020] ndisc_send_rs+0x331/0x6e0 [ 424.874422] ? match_held_lock+0x290/0x8d0 [ 424.879941] addrconf_rs_timer+0x314/0x690 [ 424.884250] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.889690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.893482] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.898935] call_timer_fn+0x272/0x920 [ 424.903148] ? lockdep_hardirqs_on+0x421/0x5c0 [ 424.907545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.911330] ? trace_hardirqs_on+0xbd/0x310 [ 424.915376] ? process_timeout+0x40/0x40 [ 424.919596] ? kasan_check_read+0x11/0x20 [ 424.923461] ? find_held_lock+0x36/0x1c0 [ 424.923498] ? mark_held_locks+0xc7/0x130 [ 424.927715] ? mark_held_locks+0x130/0x130 [ 424.931931] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.936412] ? audit_add_watch+0xc1/0xdc0 [ 424.940633] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.945120] ? kasan_check_write+0x14/0x20 [ 424.948985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.949008] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.953576] ? finish_task_switch+0x2f5/0x900 [ 424.957795] ? trace_hardirqs_on+0xbd/0x310 [ 424.962100] ? __switch_to_asm+0x40/0x70 [ 424.966145] ? kasan_check_read+0x11/0x20 [ 424.966163] ? __run_timers+0x7da/0xc70 [ 424.970300] ? preempt_notifier_register+0x200/0x200 [ 424.974347] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.978511] ? __switch_to_asm+0x34/0x70 [ 424.982735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.987221] ? __switch_to_asm+0x34/0x70 [ 424.991360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.995838] ? __switch_to_asm+0x40/0x70 [ 425.000061] __run_timers+0x7e5/0xc70 [ 425.004283] ? __switch_to_asm+0x40/0x70 [ 425.008861] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.013330] ? __switch_to_asm+0x34/0x70 [ 425.017638] ? lock_downgrade+0x900/0x900 [ 425.021687] ? __switch_to_asm+0x40/0x70 [ 425.025830] ? print_usage_bug+0xc0/0xc0 [ 425.029783] ? __switch_to_asm+0x34/0x70 [ 425.034870] ? trace_hardirqs_on+0x310/0x310 [ 425.040307] ? __switch_to_asm+0x34/0x70 [ 425.044372] ? kvm_clock_read+0x18/0x30 [ 425.048591] ? __switch_to_asm+0x40/0x70 [ 425.052636] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.056861] ? __switch_to_asm+0x40/0x70 [ 425.060921] ? graph_lock+0x170/0x170 [ 425.064705] ? __switch_to_asm+0x34/0x70 [ 425.068751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.074101] ? __switch_to_asm+0x40/0x70 [ 425.078152] ? check_preemption_disabled+0x48/0x200 [ 425.082301] ? __schedule+0x874/0x1ed0 [ 425.086352] ? __lock_is_held+0xb5/0x140 [ 425.090393] ? __switch_to_asm+0x40/0x70 [ 425.094441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.098837] ? __switch_to_asm+0x40/0x70 [ 425.102890] ? check_preemption_disabled+0x48/0x200 [ 425.106850] ? graph_lock+0x170/0x170 [ 425.110903] run_timer_softirq+0x52/0xb0 [ 425.115905] ? __sched_text_start+0x8/0x8 [ 425.119953] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.123745] ? find_held_lock+0x36/0x1c0 [ 425.127786] __do_softirq+0x30b/0xad8 [ 425.133347] ? __kthread_parkme+0xce/0x1a0 [ 425.137399] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.142392] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.146277] ? irq_exit+0xbd/0x1c0 [ 425.150326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.154372] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 425.159891] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.163938] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.168938] ? trace_hardirqs_on+0xbd/0x310 [ 425.172726] ? ret_from_intr+0xb/0x1e [ 425.176777] ? kasan_check_read+0x11/0x20 [ 425.180918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.185919] ? __kthread_parkme+0xce/0x1a0 [ 425.189970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.193756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.197974] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.203066] ? kasan_check_write+0x14/0x20 [ 425.208155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.211699] ? do_raw_spin_lock+0xc1/0x200 [ 425.216794] ? check_preemption_disabled+0x48/0x200 [ 425.221793] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.226360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.232232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.236545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.240326] ? __kthread_parkme+0xfb/0x1a0 [ 425.244461] ? neigh_periodic_work+0x6bd/0xc60 [ 425.249477] kthread+0x35a/0x420 [ 425.253696] do_softirq_own_stack+0x2a/0x40 [ 425.258529] ? rcu_gp_init+0x1830/0x1830 [ 425.263963] [ 425.268998] ? kthread_bind+0x40/0x40 [ 425.273215] do_softirq.part.13+0x126/0x160 [ 425.278737] ret_from_fork+0x3a/0x50 [ 425.282957] __local_bh_enable_ip+0x21d/0x260 [ 425.287973] NMI backtrace for cpu 1 [ 425.293048] _raw_write_unlock_bh+0x30/0x40 [ 425.355824] neigh_periodic_work+0x6bd/0xc60 [ 425.360271] ? neigh_table_clear+0x390/0x390 [ 425.364703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.370756] ? check_preemption_disabled+0x48/0x200 [ 425.375775] ? check_preemption_disabled+0x48/0x200 [ 425.380806] ? __lock_is_held+0xb5/0x140 [ 425.384885] process_one_work+0xc90/0x1b90 [ 425.389123] ? mark_held_locks+0x130/0x130 [ 425.393373] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 425.398044] ? __switch_to_asm+0x40/0x70 [ 425.402107] ? __switch_to_asm+0x40/0x70 [ 425.406168] ? __switch_to_asm+0x34/0x70 [ 425.410230] ? __switch_to_asm+0x40/0x70 [ 425.414291] ? __switch_to_asm+0x34/0x70 [ 425.418351] ? __switch_to_asm+0x40/0x70 [ 425.422413] ? __switch_to_asm+0x34/0x70 [ 425.426483] ? __switch_to_asm+0x40/0x70 [ 425.430562] ? __schedule+0x874/0x1ed0 [ 425.434453] ? __switch_to_asm+0x34/0x70 [ 425.438527] ? __switch_to_asm+0x40/0x70 [ 425.442607] ? kasan_check_read+0x11/0x20 [ 425.446760] ? graph_lock+0x170/0x170 [ 425.450569] ? __sched_text_start+0x8/0x8 [ 425.454725] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.459313] ? retint_kernel+0x2d/0x2d [ 425.463209] ? find_held_lock+0x36/0x1c0 [ 425.467280] ? lock_acquire+0x1ed/0x520 [ 425.471257] ? worker_thread+0x3e0/0x1390 [ 425.475412] ? lock_release+0x970/0x970 [ 425.479388] ? trace_hardirqs_off+0xb8/0x310 [ 425.483801] ? kasan_check_read+0x11/0x20 [ 425.487947] ? worker_thread+0x3e0/0x1390 [ 425.492100] ? trace_hardirqs_on+0x310/0x310 [ 425.496697] ? kasan_check_write+0x14/0x20 [ 425.500934] ? do_raw_spin_lock+0xc1/0x200 [ 425.505178] worker_thread+0x17f/0x1390 [ 425.509156] ? __switch_to_asm+0x34/0x70 [ 425.513231] ? process_one_work+0x1b90/0x1b90 [ 425.517738] ? graph_lock+0x170/0x170 [ 425.521543] ? graph_lock+0x170/0x170 [ 425.525346] ? find_held_lock+0x36/0x1c0 [ 425.529421] ? find_held_lock+0x36/0x1c0 [ 425.533508] ? __kthread_parkme+0xce/0x1a0 [ 425.537750] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.542853] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.547962] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.552547] ? trace_hardirqs_on+0xbd/0x310 [ 425.556876] ? kasan_check_read+0x11/0x20 [ 425.561027] ? __kthread_parkme+0xce/0x1a0 [ 425.565265] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.570725] ? kasan_check_write+0x14/0x20 [ 425.574966] ? do_raw_spin_lock+0xc1/0x200 [ 425.579211] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.584319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.589860] ? __kthread_parkme+0xfb/0x1a0 [ 425.594105] kthread+0x35a/0x420 [ 425.597484] ? process_one_work+0x1b90/0x1b90 [ 425.601983] ? kthread_bind+0x40/0x40 [ 425.605794] ret_from_fork+0x3a/0x50 [ 425.609529] warn_alloc_show_mem: 1 callbacks suppressed [ 425.609541] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 425.609543] Mem-Info: [ 425.609574] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 425.609574] active_file:14 inactive_file:13 isolated_file:0 [ 425.609574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.609574] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 425.609574] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 425.609574] free:13770 free_pcp:433 free_cma:0 [ 425.614919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.622287] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.624683] Call Trace: [ 425.657727] Node 0 [ 425.667076] [ 425.694672] 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 [ 425.697237] dump_stack+0x1c4/0x2b4 [ 425.699433] lowmem_reserve[]: 0 [ 425.701589] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.727059] 2819 6323 [ 425.730694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.733940] 6323 [ 425.739133] ? trace_hardirqs_off+0xb8/0x310 [ 425.741609] Node 0 [ 425.747143] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 425.749209] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.753592] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 425.755796] lowmem_reserve[]: 0 [ 425.760481] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 425.787436] 0 3503 [ 425.792649] arch_trigger_cpumask_backtrace+0x14/0x20 [ 425.795898] 3503 [ 425.801180] rcu_dump_cpu_stacks+0x175/0x1c2 [ 425.803397] Node 0 [ 425.808585] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.810654] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 425.815035] print_cpu_stall.cold.78+0x2d3/0x524 [ 425.817258] lowmem_reserve[]: [ 425.822279] ? rcu_dynticks_snap+0x30/0x30 [ 425.850782] 0 0 [ 425.855549] ? lock_downgrade+0x900/0x900 [ 425.858623] 0 0 [ 425.862862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.864813] Node 0 [ 425.868958] ? check_preemption_disabled+0x48/0x200 [ 425.870907] DMA: [ 425.876438] ? check_preemption_disabled+0x48/0x200 [ 425.878668] 1*4kB [ 425.883679] ? rcu_test_sync_prims+0x30/0x30 [ 425.885717] (U) [ 425.890731] ? __lock_is_held+0xb5/0x140 [ 425.892848] 0*8kB 0*16kB [ 425.897259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.899212] 1*32kB [ 425.903265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.905996] (U) 2*64kB [ 425.911539] ? check_preemption_disabled+0x48/0x200 [ 425.913764] (U) [ 425.919312] rcu_check_callbacks+0xfd9/0x1990 [ 425.921862] 1*128kB (U) [ 425.926892] ? rcu_cpu_stall_reset+0x220/0x220 [ 425.928841] 1*256kB [ 425.933333] ? lock_release+0x970/0x970 [ 425.935980] (U) [ 425.940567] ? graph_lock+0x170/0x170 [ 425.942855] 0*512kB 1*1024kB [ 425.946831] ? graph_lock+0x170/0x170 [ 425.948785] (U) [ 425.952580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.955660] 1*2048kB [ 425.959517] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 425.961404] (M) [ 425.966934] ? kvm_set_tsc_khz+0x540/0x540 [ 425.969316] 3*4096kB (M) [ 425.973911] ? graph_lock+0x170/0x170 [ 425.975844] = 15908kB [ 425.975853] Node 0 [ 425.980083] ? timekeeping_advance+0x3cc/0xc00 [ 425.982810] DMA32: 5*4kB [ 425.986615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.988995] (UMH) 2*8kB [ 425.991237] ? check_preemption_disabled+0x48/0x200 [ 425.995786] (MH) 3*16kB [ 425.998553] ? check_preemption_disabled+0x48/0x200 [ 426.004055] (MH) 3*32kB [ 426.006737] ? trace_hardirqs_off+0xb8/0x310 [ 426.011715] (MH) 5*64kB [ 426.014393] ? __lock_is_held+0xb5/0x140 [ 426.019382] (MH) 3*128kB [ 426.022056] ? trace_hardirqs_on+0x310/0x310 [ 426.026436] (M) 5*256kB [ 426.029119] ? check_preemption_disabled+0x48/0x200 [ 426.033147] (UMH) 5*512kB [ 426.035917] ? raise_softirq+0x199/0x420 [ 426.040295] (UMH) [ 426.042965] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 426.047951] 4*1024kB (UMH) [ 426.050798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.054834] 2*2048kB [ 426.056977] ? check_preemption_disabled+0x48/0x200 [ 426.061613] (M) 3*4096kB [ 426.064550] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.070055] (M) = 25204kB [ 426.072479] ? hrtimer_run_queues+0x9a/0x400 [ 426.077484] Node 0 [ 426.080237] ? run_local_timers+0x19b/0x230 [ 426.085748] Normal: [ 426.088512] ? timer_clear_idle+0x90/0x90 [ 426.092899] 990*4kB [ 426.095132] ? debug_smp_processor_id+0x1c/0x20 [ 426.099426] (UMEH) 505*8kB [ 426.101759] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 426.105883] (MEH) [ 426.108209] ? account_process_tick+0x282/0x350 [ 426.112885] 189*16kB (MEH) [ 426.115823] update_process_times+0x2d/0x70 [ 426.121760] 66*32kB (UMH) [ 426.123914] tick_sched_handle+0x9f/0x180 [ 426.128561] 0*64kB [ 426.131496] tick_sched_timer+0x45/0x130 [ 426.135799] 1*128kB (H) [ 426.138648] __hrtimer_run_queues+0x41c/0x10d0 [ 426.142774] 1*256kB [ 426.145011] ? tick_sched_do_timer+0x1a0/0x1a0 [ 426.149038] (H) [ 426.151705] ? hrtimer_start_range_ns+0xe00/0xe00 [ 426.156263] 1*512kB [ 426.158584] ? pvclock_read_flags+0x160/0x160 [ 426.163135] (H) 0*1024kB [ 426.165115] ? trace_hardirqs_on+0x310/0x310 [ 426.169927] 0*2048kB 0*4096kB [ 426.172253] ? graph_lock+0x170/0x170 [ 426.176723] = 14032kB [ 426.176737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.179498] ? kvm_clock_read+0x18/0x30 [ 426.183890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.187071] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.190849] 5170 total pagecache pages [ 426.193254] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 426.202074] 0 pages in swap cache [ 426.206033] ? do_timer+0x50/0x50 [ 426.214582] Swap cache stats: add 0, delete 0, find 0/0 [ 426.214591] Free swap = 0kB [ 426.219599] ? trace_hardirqs_on+0x310/0x310 [ 426.223461] Total swap = 0kB [ 426.228825] ? do_raw_spin_lock+0xc1/0x200 [ 426.232254] 1965979 pages RAM [ 426.235703] hrtimer_interrupt+0x313/0x780 [ 426.241038] 0 pages HighMem/MovableOnly [ 426.244070] smp_apic_timer_interrupt+0x1a1/0x760 [ 426.248432] 342306 pages reserved [ 426.248440] 0 pages cma reserved [ 426.251453] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.255760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.258773] ? interrupt_entry+0xb5/0xf0 [ 426.263073] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.266956] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.271776] kworker/0:2 cpuset= [ 426.275225] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.278566] / [ 426.284443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.284460] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.290938] mems_allowed=0 [ 426.295006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.337522] apic_timer_interrupt+0xf/0x20 [ 426.341764] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 426.347134] Code: 41 7e 0f 85 32 ff ff ff e8 b5 d5 3f ff e9 28 ff ff ff e8 dc 3c c4 ff 48 83 3d 6c 4a 71 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 aa 42 [ 426.366171] RSP: 0000:ffff8801daf071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.373886] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100328ae526 [ 426.381157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 426.388426] RBP: ffff8801daf07248 R08: ffff880194572930 R09: 0000000000000002 [ 426.395694] R10: 0000000000000000 R11: ffff880194572040 R12: ffff8801d9be7680 [ 426.402972] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286 [ 426.410359] ? apic_timer_interrupt+0xa/0x20 [ 426.414794] ? mark_held_locks+0xc7/0x130 [ 426.418955] __alloc_skb+0x119/0x770 [ 426.422677] ? skb_scrub_packet+0x490/0x490 [ 426.427006] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.431600] ? queue_work_on+0x12c/0x1e0 [ 426.435675] ? switchdev_port_obj_del+0xdc/0x450 [ 426.440436] ? switchdev_trans_item_enqueue+0x260/0x260 [ 426.445823] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.450860] __br_mdb_notify+0x4ff/0x15d0 [ 426.455015] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.460138] ? __br_mdb_add+0x7f0/0x7f0 [ 426.464126] ? kasan_check_write+0x14/0x20 [ 426.468365] ? do_raw_spin_lock+0xc1/0x200 [ 426.472618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.477732] ? debug_object_assert_init+0x368/0x4b0 [ 426.482754] ? debug_object_init_on_stack+0x20/0x20 [ 426.487773] ? graph_lock+0x170/0x170 [ 426.491585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.497137] br_mdb_notify+0x310/0x410 [ 426.501036] ? br_mdb_dump+0x27b0/0x27b0 [ 426.505121] br_multicast_del_pg+0x3df/0x790 [ 426.509538] ? br_mdb_ip_get+0x940/0x940 [ 426.513616] ? kasan_check_write+0x14/0x20 [ 426.517858] ? do_raw_spin_lock+0xc1/0x200 [ 426.522106] br_multicast_port_group_expired+0x189/0x1e0 [ 426.527568] call_timer_fn+0x272/0x920 [ 426.531457] ? br_multicast_del_pg+0x790/0x790 [ 426.536050] ? process_timeout+0x40/0x40 [ 426.540110] ? find_held_lock+0x36/0x1c0 [ 426.544182] ? __run_timers+0x7da/0xc70 [ 426.548164] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.552661] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.557157] ? br_multicast_del_pg+0x790/0x790 [ 426.561742] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 426.566329] ? trace_hardirqs_on+0xbd/0x310 [ 426.570657] ? kasan_check_read+0x11/0x20 [ 426.574810] ? __run_timers+0x7da/0xc70 [ 426.578787] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.584246] ? br_multicast_del_pg+0x790/0x790 [ 426.588843] ? br_multicast_del_pg+0x790/0x790 [ 426.593427] __run_timers+0x7e5/0xc70 [ 426.597246] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.602614] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.607636] ? graph_lock+0x170/0x170 [ 426.611443] ? enqueue_hrtimer+0x1a5/0x560 [ 426.615688] ? lock_release+0x970/0x970 [ 426.619668] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.624872] ? find_held_lock+0x36/0x1c0 [ 426.628943] ? graph_lock+0x170/0x170 [ 426.632749] ? pvclock_read_flags+0x160/0x160 [ 426.637246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.642790] ? check_preemption_disabled+0x48/0x200 [ 426.647824] ? __lock_is_held+0xb5/0x140 [ 426.651893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.657437] ? check_preemption_disabled+0x48/0x200 [ 426.662479] run_timer_softirq+0x52/0xb0 [ 426.666543] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.671567] __do_softirq+0x30b/0xad8 [ 426.675397] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.680511] ? pvclock_read_flags+0x160/0x160 [ 426.685013] ? lapic_next_event+0x5a/0x90 [ 426.689166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.694710] ? check_preemption_disabled+0x48/0x200 [ 426.699731] ? check_preemption_disabled+0x48/0x200 [ 426.704760] ? kvm_clock_read+0x18/0x30 [ 426.708736] ? kvm_sched_clock_read+0x9/0x20 [ 426.713147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.718688] ? check_preemption_disabled+0x48/0x200 [ 426.723717] irq_exit+0x17f/0x1c0 [ 426.727175] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.732019] ? smp_reschedule_interrupt+0x109/0x650 [ 426.737037] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.742926] ? interrupt_entry+0xb5/0xf0 [ 426.746995] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.752018] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.757040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.761885] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.766900] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.771919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.777466] ? check_preemption_disabled+0x48/0x200 [ 426.782500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.788051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.792924] apic_timer_interrupt+0xf/0x20 [ 426.797153] [ 426.799395] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 426.804327] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 426.823225] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.830943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.838304] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 426.845593] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 426.852864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.860136] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 426.867458] skb_clone+0x1bb/0x500 [ 426.871014] ? finish_task_switch+0x2f5/0x900 [ 426.875519] ? skb_split+0x11e0/0x11e0 [ 426.879416] ? preempt_notifier_register+0x200/0x200 [ 426.884525] ? __switch_to_asm+0x34/0x70 [ 426.888589] ? __switch_to_asm+0x34/0x70 [ 426.892655] ? __switch_to_asm+0x40/0x70 [ 426.896717] ? __switch_to_asm+0x34/0x70 [ 426.900783] ? __switch_to_asm+0x40/0x70 [ 426.904845] ? __switch_to_asm+0x34/0x70 [ 426.908906] ? __switch_to_asm+0x40/0x70 [ 426.912967] ? __switch_to_asm+0x34/0x70 [ 426.917036] ? __switch_to_asm+0x34/0x70 [ 426.921097] ? __switch_to_asm+0x40/0x70 [ 426.925171] ? __switch_to_asm+0x34/0x70 [ 426.929244] bpf_clone_redirect+0xb9/0x490 [ 426.933490] ? __schedule+0x874/0x1ed0 [ 426.937388] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 426.942409] ? __sched_text_start+0x8/0x8 [ 426.946580] ? find_held_lock+0x36/0x1c0 [ 426.950655] ? lock_acquire+0x1ed/0x520 [ 426.954635] ? bpf_test_run+0x3cb/0x780 [ 426.958617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.964161] ? check_preemption_disabled+0x48/0x200 [ 426.969190] ? kasan_check_read+0x11/0x20 [ 426.973348] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.978635] ? rcu_bh_qs+0xc0/0xc0 [ 426.982183] ? preempt_schedule+0x4d/0x60 [ 426.986335] ? ___preempt_schedule+0x16/0x18 [ 426.990755] ? bpf_test_run+0x25d/0x780 [ 426.994744] ? netlink_diag_dump+0x2a0/0x2a0 [ 426.999161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.004714] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 427.009489] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.014333] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.019874] ? fput+0x130/0x1a0 [ 427.023157] ? __bpf_prog_get+0x9b/0x290 [ 427.027226] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.032072] ? bpf_prog_test_run+0x130/0x1a0 [ 427.036494] ? __x64_sys_bpf+0x3d8/0x520 [ 427.040575] ? bpf_prog_get+0x20/0x20 [ 427.044405] ? do_syscall_64+0x1b9/0x820 [ 427.048475] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.053846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.058784] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.063805] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.068821] ? recalc_sigpending_tsk+0x180/0x180 [ 427.073581] ? kasan_check_write+0x14/0x20 [ 427.077825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.082689] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.088076] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 427.088642] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.095183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.095205] Workqueue: events_power_efficient neigh_periodic_work [ 427.105665] syz-executor2 cpuset= [ 427.121223] syz2 [ 427.124657] Call Trace: [ 427.124670] mems_allowed=0 [ 427.126629] [ 427.134269] dump_stack+0x1c4/0x2b4 [ 427.137901] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.143110] warn_alloc.cold.119+0xb7/0x1bd [ 427.147435] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.152287] ? lock_downgrade+0x900/0x900 [ 427.156477] ? trace_hardirqs_off+0xb8/0x310 [ 427.160903] ? trace_hardirqs_off+0xb8/0x310 [ 427.165322] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.170198] ? warn_alloc+0x120/0x120 [ 427.174004] ? trace_hardirqs_on+0x310/0x310 [ 427.178416] ? warn_alloc+0x120/0x120 [ 427.182224] ? print_usage_bug+0xc0/0xc0 [ 427.186290] ? warn_alloc+0x120/0x120 [ 427.190088] ? ktime_get+0x2e1/0x440 [ 427.193802] ? print_usage_bug+0xc0/0xc0 [ 427.197869] ? __lock_acquire+0x7ec/0x4ec0 [ 427.202107] ? __lock_acquire+0x7ec/0x4ec0 [ 427.206344] ? kasan_check_read+0x11/0x20 [ 427.210504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.216048] ? should_fail+0x22d/0xd01 [ 427.219936] ? rcu_bh_qs+0xc0/0xc0 [ 427.223487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.228602] ? __lock_acquire+0x7ec/0x4ec0 [ 427.232843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.237947] ? __lock_acquire+0x7ec/0x4ec0 [ 427.242180] ? should_fail+0x22d/0xd01 [ 427.246070] ? rcu_idle_enter+0x4b0/0x4b0 [ 427.250230] ? mark_held_locks+0x130/0x130 [ 427.254480] ? mark_held_locks+0x130/0x130 [ 427.258729] ? mark_held_locks+0xc7/0x130 [ 427.262882] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 427.267899] ? graph_lock+0x170/0x170 [ 427.271704] ? print_usage_bug+0xc0/0xc0 [ 427.275773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.281313] ? check_preemption_disabled+0x48/0x200 [ 427.286328] ? check_preemption_disabled+0x48/0x200 [ 427.291360] ? __lock_is_held+0xb5/0x140 [ 427.295430] __alloc_pages_nodemask+0xa80/0xde0 [ 427.300106] ? graph_lock+0x170/0x170 [ 427.303911] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.308924] ? graph_lock+0x170/0x170 [ 427.312743] ? find_held_lock+0x36/0x1c0 [ 427.316819] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.321515] ? lock_downgrade+0x900/0x900 [ 427.325689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.331235] cache_grow_begin+0x91/0x8c0 [ 427.335301] ? do_raw_spin_unlock+0xa7/0x2f0 [ 427.339720] fallback_alloc+0x203/0x2e0 [ 427.343703] ____cache_alloc_node+0x1c7/0x1e0 [ 427.348210] kmem_cache_alloc_node+0xe3/0x730 [ 427.352711] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.356960] __alloc_skb+0x119/0x770 [ 427.360679] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.366397] ? skb_scrub_packet+0x490/0x490 [ 427.370726] ? lock_downgrade+0x900/0x900 [ 427.374882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.380424] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.385879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.391335] ? addrconf_rs_timer+0x690/0x690 [ 427.395759] ndisc_alloc_skb+0x144/0x340 [ 427.399829] ndisc_send_rs+0x331/0x6e0 [ 427.403726] addrconf_rs_timer+0x314/0x690 [ 427.407971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.412229] call_timer_fn+0x272/0x920 [ 427.416116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.420357] ? process_timeout+0x40/0x40 [ 427.424416] ? find_held_lock+0x36/0x1c0 [ 427.428501] ? mark_held_locks+0xc7/0x130 [ 427.432656] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.437157] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.441660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.445898] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 427.450489] ? trace_hardirqs_on+0xbd/0x310 [ 427.454825] ? kasan_check_read+0x11/0x20 [ 427.458975] ? __run_timers+0x7da/0xc70 [ 427.462955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.468411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.472655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.476893] __run_timers+0x7e5/0xc70 [ 427.480710] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 427.486076] ? lock_downgrade+0x900/0x900 [ 427.490235] ? print_usage_bug+0xc0/0xc0 [ 427.494300] ? trace_hardirqs_on+0x310/0x310 [ 427.498882] ? kvm_clock_read+0x18/0x30 [ 427.502858] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.507880] ? graph_lock+0x170/0x170 [ 427.511690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.517233] ? check_preemption_disabled+0x48/0x200 [ 427.522268] ? __lock_is_held+0xb5/0x140 [ 427.526338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.531877] ? check_preemption_disabled+0x48/0x200 [ 427.536907] run_timer_softirq+0x52/0xb0 [ 427.540973] ? rcu_read_lock_sched_held+0x108/0x120 [ 427.545993] __do_softirq+0x30b/0xad8 [ 427.549809] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 427.554912] ? irq_exit+0xbd/0x1c0 [ 427.558458] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 427.563504] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.569394] ? ret_from_intr+0xb/0x1e [ 427.573197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.578235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.583088] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.588110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.593653] ? check_preemption_disabled+0x48/0x200 [ 427.598673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.604224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.609077] ? neigh_periodic_work+0x6bd/0xc60 [ 427.613668] do_softirq_own_stack+0x2a/0x40 [ 427.617986] [ 427.620228] do_softirq.part.13+0x126/0x160 [ 427.624553] __local_bh_enable_ip+0x21d/0x260 [ 427.629054] _raw_write_unlock_bh+0x30/0x40 [ 427.633381] neigh_periodic_work+0x6bd/0xc60 [ 427.637806] ? neigh_table_clear+0x390/0x390 [ 427.642219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.647759] ? check_preemption_disabled+0x48/0x200 [ 427.652775] ? check_preemption_disabled+0x48/0x200 [ 427.657807] ? __lock_is_held+0xb5/0x140 [ 427.661886] process_one_work+0xc90/0x1b90 [ 427.666123] ? mark_held_locks+0x130/0x130 [ 427.670374] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 427.675044] ? __switch_to_asm+0x40/0x70 [ 427.679108] ? __switch_to_asm+0x40/0x70 [ 427.683168] ? __switch_to_asm+0x34/0x70 [ 427.687228] ? __switch_to_asm+0x40/0x70 [ 427.691289] ? __switch_to_asm+0x34/0x70 [ 427.695349] ? __switch_to_asm+0x40/0x70 [ 427.699411] ? __switch_to_asm+0x34/0x70 [ 427.703482] ? __switch_to_asm+0x40/0x70 [ 427.707556] ? __schedule+0x874/0x1ed0 [ 427.711443] ? __switch_to_asm+0x34/0x70 [ 427.715523] ? __switch_to_asm+0x40/0x70 [ 427.719615] ? kasan_check_read+0x11/0x20 [ 427.723778] ? graph_lock+0x170/0x170 [ 427.727595] ? __sched_text_start+0x8/0x8 [ 427.731756] ? lockdep_hardirqs_on+0x421/0x5c0 [ 427.736348] ? retint_kernel+0x2d/0x2d [ 427.740243] ? find_held_lock+0x36/0x1c0 [ 427.744315] ? lock_acquire+0x1ed/0x520 [ 427.748293] ? worker_thread+0x3e0/0x1390 [ 427.752449] ? lock_release+0x970/0x970 [ 427.756442] ? trace_hardirqs_off+0xb8/0x310 [ 427.760858] ? kasan_check_read+0x11/0x20 [ 427.765004] ? worker_thread+0x3e0/0x1390 [ 427.769154] ? trace_hardirqs_on+0x310/0x310 [ 427.773582] ? kasan_check_write+0x14/0x20 [ 427.777819] ? do_raw_spin_lock+0xc1/0x200 [ 427.782061] worker_thread+0x17f/0x1390 [ 427.786041] ? __switch_to_asm+0x34/0x70 [ 427.790129] ? process_one_work+0x1b90/0x1b90 [ 427.794638] ? graph_lock+0x170/0x170 [ 427.798444] ? graph_lock+0x170/0x170 [ 427.802259] ? find_held_lock+0x36/0x1c0 [ 427.806338] ? find_held_lock+0x36/0x1c0 [ 427.810419] ? __kthread_parkme+0xce/0x1a0 [ 427.814662] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.819769] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.824876] ? lockdep_hardirqs_on+0x421/0x5c0 [ 427.829461] ? trace_hardirqs_on+0xbd/0x310 [ 427.833797] ? kasan_check_read+0x11/0x20 [ 427.837947] ? __kthread_parkme+0xce/0x1a0 [ 427.842183] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.847639] ? kasan_check_write+0x14/0x20 [ 427.851875] ? do_raw_spin_lock+0xc1/0x200 [ 427.856131] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.861239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.866783] ? __kthread_parkme+0xfb/0x1a0 [ 427.871024] kthread+0x35a/0x420 [ 427.874391] ? process_one_work+0x1b90/0x1b90 [ 427.878892] ? kthread_bind+0x40/0x40 [ 427.882701] ret_from_fork+0x3a/0x50 [ 427.886430] Mem-Info: [ 427.886443] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 427.886454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.888878] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 427.888878] active_file:14 inactive_file:13 isolated_file:0 [ 427.888878] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.888878] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 427.888878] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 427.888878] free:13770 free_pcp:433 free_cma:0 [ 427.896223] Call Trace: [ 427.905619] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.938644] [ 427.941218] Node 0 [ 427.968813] dump_stack+0x1c4/0x2b4 [ 427.970962] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.973172] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.976770] lowmem_reserve[]: [ 428.002300] warn_alloc.cold.119+0xb7/0x1bd [ 428.007458] 0 [ 428.010584] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.014876] 2819 [ 428.016678] ? lock_downgrade+0x900/0x900 [ 428.021497] 6323 [ 428.023563] ? trace_hardirqs_off+0xb8/0x310 [ 428.027675] 6323 [ 428.029749] ? trace_hardirqs_off+0xb8/0x310 [ 428.034129] Node 0 [ 428.036191] __alloc_pages_slowpath+0x2667/0x2d80 [ 428.040608] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 428.042840] ? warn_alloc+0x120/0x120 [ 428.047634] lowmem_reserve[]: 0 [ 428.074643] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.078419] 0 [ 428.081692] ? warn_alloc+0x120/0x120 [ 428.086675] 3503 3503 [ 428.088488] ? print_usage_bug+0xc0/0xc0 [ 428.092266] Node 0 [ 428.094759] ? warn_alloc+0x120/0x120 [ 428.098830] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 428.101036] ? print_usage_bug+0xc0/0xc0 [ 428.104804] lowmem_reserve[]: 0 [ 428.133357] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.137395] 0 [ 428.140680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.145836] 0 [ 428.147636] ? should_fail+0x22d/0xd01 [ 428.153145] 0 [ 428.154948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.160605] ? __lock_acquire+0x7ec/0x4ec0 [ 428.165682] Node 0 DMA: [ 428.169912] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.169928] ? should_fail+0x22d/0xd01 [ 428.172578] 1*4kB [ 428.177681] ? mark_held_locks+0x130/0x130 [ 428.181538] (U) [ 428.183686] ? mark_held_locks+0x130/0x130 [ 428.187899] 0*8kB [ 428.189871] ? print_usage_bug+0xc0/0xc0 [ 428.194077] 0*16kB 1*32kB [ 428.196233] ? find_held_lock+0x36/0x1c0 [ 428.200266] (U) [ 428.203105] ? graph_lock+0x170/0x170 [ 428.207137] 2*64kB (U) [ 428.209118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.212886] 1*128kB (U) [ 428.215485] ? check_preemption_disabled+0x48/0x200 [ 428.220992] 1*256kB (U) [ 428.223673] ? check_preemption_disabled+0x48/0x200 [ 428.228666] 0*512kB [ 428.231337] ? __lock_is_held+0xb5/0x140 [ 428.236327] 1*1024kB [ 428.238649] __alloc_pages_nodemask+0xa80/0xde0 [ 428.242674] (U) 1*2048kB [ 428.245090] ? graph_lock+0x170/0x170 [ 428.249733] (M) [ 428.252499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.256273] 3*4096kB (M) [ 428.258250] ? graph_lock+0x170/0x170 [ 428.263238] = 15908kB [ 428.263246] Node 0 [ 428.266011] ? find_held_lock+0x36/0x1c0 [ 428.269781] DMA32: [ 428.272199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.274404] 5*4kB [ 428.278461] ? lock_downgrade+0x900/0x900 [ 428.280679] (UMH) [ 428.285351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.287482] 2*8kB [ 428.291629] cache_grow_begin+0x91/0x8c0 [ 428.293750] (MH) [ 428.299282] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.301407] 3*16kB [ 428.305478] fallback_alloc+0x203/0x2e0 [ 428.307527] (MH) [ 428.311935] ____cache_alloc_node+0x1c7/0x1e0 [ 428.314141] 3*32kB (MH) [ 428.318121] kmem_cache_alloc_node+0xe3/0x730 [ 428.320157] 5*64kB [ 428.324644] ? mark_held_locks+0xc7/0x130 [ 428.327291] (MH) [ 428.331787] __alloc_skb+0x119/0x770 [ 428.334002] 3*128kB [ 428.338143] ? skb_scrub_packet+0x490/0x490 [ 428.340183] (M) [ 428.343898] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 428.346193] 5*256kB (UMH) [ 428.350523] ? queue_work_on+0x12c/0x1e0 [ 428.352486] 5*512kB [ 428.357065] ? switchdev_port_obj_del+0xdc/0x450 [ 428.359880] (UMH) [ 428.363936] ? switchdev_trans_item_enqueue+0x260/0x260 [ 428.366739] 4*1024kB (UMH) [ 428.371513] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.373634] 2*2048kB (M) [ 428.379012] __br_mdb_notify+0x4ff/0x15d0 [ 428.381915] 3*4096kB [ 428.386926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.389659] (M) [ 428.393809] ? __br_mdb_add+0x7f0/0x7f0 [ 428.396187] = 25204kB [ 428.401285] ? kasan_check_write+0x14/0x20 [ 428.403237] Node 0 [ 428.407210] ? do_raw_spin_lock+0xc1/0x200 [ 428.409596] Normal: [ 428.413832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.416041] 990*4kB [ 428.420270] ? debug_object_assert_init+0x368/0x4b0 [ 428.422566] (UMEH) [ 428.427664] ? debug_object_init_on_stack+0x20/0x20 [ 428.429959] 505*8kB (MEH) [ 428.434979] ? graph_lock+0x170/0x170 [ 428.437194] 189*16kB [ 428.442204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.445026] (MEH) [ 428.448831] br_mdb_notify+0x310/0x410 [ 428.451213] 66*32kB [ 428.456744] ? br_mdb_dump+0x27b0/0x27b0 [ 428.458874] (UMH) [ 428.462768] br_multicast_del_pg+0x3df/0x790 [ 428.465058] 0*64kB [ 428.469117] ? br_mdb_ip_get+0x940/0x940 [ 428.471913] 1*128kB [ 428.476322] ? kasan_check_write+0x14/0x20 [ 428.478528] (H) [ 428.482587] ? do_raw_spin_lock+0xc1/0x200 [ 428.484879] 1*256kB (H) [ 428.489125] br_multicast_port_group_expired+0x189/0x1e0 [ 428.491067] 1*512kB (H) [ 428.495310] call_timer_fn+0x272/0x920 [ 428.497947] 0*1024kB 0*2048kB [ 428.503400] ? br_multicast_del_pg+0x790/0x790 [ 428.506046] 0*4096kB [ 428.509928] ? process_timeout+0x40/0x40 [ 428.513095] = 14032kB [ 428.517668] ? find_held_lock+0x36/0x1c0 [ 428.520066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.524119] ? __run_timers+0x7da/0xc70 [ 428.526511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.530563] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.539372] 5170 total pagecache pages [ 428.543341] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.551900] 0 pages in swap cache [ 428.556381] ? br_multicast_del_pg+0x790/0x790 [ 428.560247] Swap cache stats: add 0, delete 0, find 0/0 [ 428.564731] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.568159] Free swap = 0kB [ 428.572734] ? trace_hardirqs_on+0xbd/0x310 [ 428.578066] Total swap = 0kB [ 428.578074] 1965979 pages RAM [ 428.582653] ? kasan_check_read+0x11/0x20 [ 428.585641] 0 pages HighMem/MovableOnly [ 428.585650] 342306 pages reserved [ 428.589970] ? __run_timers+0x7da/0xc70 [ 428.592957] 0 pages cma reserved [ 428.593040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.596065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.600249] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.604155] ? br_multicast_del_pg+0x790/0x790 [ 428.607584] kworker/0:2 cpuset= [ 428.611554] ? br_multicast_del_pg+0x790/0x790 [ 428.614898] / [ 428.621390] __run_timers+0x7e5/0xc70 [ 428.626816] mems_allowed=0 [ 428.637132] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.663285] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.668306] ? graph_lock+0x170/0x170 [ 428.672116] ? enqueue_hrtimer+0x1a5/0x560 [ 428.676351] ? lock_release+0x970/0x970 [ 428.680326] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.685529] ? find_held_lock+0x36/0x1c0 [ 428.689603] ? graph_lock+0x170/0x170 [ 428.693407] ? pvclock_read_flags+0x160/0x160 [ 428.697908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.703452] ? check_preemption_disabled+0x48/0x200 [ 428.708499] ? __lock_is_held+0xb5/0x140 [ 428.712569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.718115] ? check_preemption_disabled+0x48/0x200 [ 428.723143] run_timer_softirq+0x52/0xb0 [ 428.727210] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.732233] __do_softirq+0x30b/0xad8 [ 428.736052] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.741164] ? pvclock_read_flags+0x160/0x160 [ 428.745664] ? lapic_next_event+0x5a/0x90 [ 428.749821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.755366] ? check_preemption_disabled+0x48/0x200 [ 428.760391] ? check_preemption_disabled+0x48/0x200 [ 428.765417] ? kvm_clock_read+0x18/0x30 [ 428.769405] ? kvm_sched_clock_read+0x9/0x20 [ 428.773830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.779384] ? check_preemption_disabled+0x48/0x200 [ 428.784423] irq_exit+0x17f/0x1c0 [ 428.787884] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.792729] ? smp_reschedule_interrupt+0x109/0x650 [ 428.797751] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.803639] ? interrupt_entry+0xb5/0xf0 [ 428.807704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.812721] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.817740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.822586] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.827609] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.832646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.838190] ? check_preemption_disabled+0x48/0x200 [ 428.843209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.848760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.853613] apic_timer_interrupt+0xf/0x20 [ 428.857842] [ 428.860089] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.865026] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 428.883928] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.891640] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.898908] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 428.906175] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 428.913441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.920716] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 428.928039] skb_clone+0x1bb/0x500 [ 428.931585] ? finish_task_switch+0x2f5/0x900 [ 428.936086] ? skb_split+0x11e0/0x11e0 [ 428.939978] ? preempt_notifier_register+0x200/0x200 [ 428.945087] ? __switch_to_asm+0x34/0x70 [ 428.949151] ? __switch_to_asm+0x34/0x70 [ 428.953212] ? __switch_to_asm+0x40/0x70 [ 428.957272] ? __switch_to_asm+0x34/0x70 [ 428.961338] ? __switch_to_asm+0x40/0x70 [ 428.965403] ? __switch_to_asm+0x34/0x70 [ 428.969463] ? __switch_to_asm+0x40/0x70 [ 428.973534] ? __switch_to_asm+0x34/0x70 [ 428.977597] ? __switch_to_asm+0x34/0x70 [ 428.981658] ? __switch_to_asm+0x40/0x70 [ 428.985721] ? __switch_to_asm+0x34/0x70 [ 428.989796] bpf_clone_redirect+0xb9/0x490 [ 428.994038] ? __schedule+0x874/0x1ed0 [ 428.997935] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 429.002953] ? __sched_text_start+0x8/0x8 [ 429.007116] ? find_held_lock+0x36/0x1c0 [ 429.011193] ? lock_acquire+0x1ed/0x520 [ 429.015171] ? bpf_test_run+0x3cb/0x780 [ 429.019147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.024689] ? check_preemption_disabled+0x48/0x200 [ 429.029731] ? kasan_check_read+0x11/0x20 [ 429.033886] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.039168] ? rcu_bh_qs+0xc0/0xc0 [ 429.042711] ? preempt_schedule+0x4d/0x60 [ 429.046866] ? ___preempt_schedule+0x16/0x18 [ 429.051289] ? bpf_test_run+0x25d/0x780 [ 429.055277] ? netlink_diag_dump+0x2a0/0x2a0 [ 429.059689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.065235] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 429.070010] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 429.074855] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 429.080396] ? fput+0x130/0x1a0 [ 429.083682] ? __bpf_prog_get+0x9b/0x290 [ 429.087748] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 429.092590] ? bpf_prog_test_run+0x130/0x1a0 [ 429.097008] ? __x64_sys_bpf+0x3d8/0x520 [ 429.101070] ? bpf_prog_get+0x20/0x20 [ 429.104899] ? do_syscall_64+0x1b9/0x820 [ 429.108963] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 429.114339] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.119276] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.124295] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 429.129314] ? recalc_sigpending_tsk+0x180/0x180 [ 429.134074] ? kasan_check_write+0x14/0x20 [ 429.138319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.143177] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.148563] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 429.148730] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.155672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.166144] syz-executor2 cpuset=syz2 [ 429.175673] Workqueue: events_power_efficient neigh_periodic_work [ 429.179482] mems_allowed=0 [ 429.185703] Call Trace: [ 429.191195] [ 429.193353] dump_stack+0x1c4/0x2b4 [ 429.196984] ? dump_stack_print_info.cold.2+0x52/0x52 [ 429.202190] warn_alloc.cold.119+0xb7/0x1bd [ 429.206524] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.211371] ? lock_downgrade+0x900/0x900 [ 429.215539] ? trace_hardirqs_off+0xb8/0x310 [ 429.219957] ? trace_hardirqs_off+0xb8/0x310 [ 429.224378] __alloc_pages_slowpath+0x2667/0x2d80 [ 429.229255] ? warn_alloc+0x120/0x120 [ 429.233065] ? warn_alloc+0x120/0x120 [ 429.236874] ? print_usage_bug+0xc0/0xc0 [ 429.240938] ? warn_alloc+0x120/0x120 [ 429.244755] ? print_usage_bug+0xc0/0xc0 [ 429.248825] ? __lock_acquire+0x7ec/0x4ec0 [ 429.253066] ? __lock_acquire+0x7ec/0x4ec0 [ 429.257307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.262848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.268387] ? should_fail+0x22d/0xd01 [ 429.272285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.277395] ? __lock_acquire+0x7ec/0x4ec0 [ 429.281636] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.286737] ? __lock_acquire+0x7ec/0x4ec0 [ 429.290970] ? should_fail+0x22d/0xd01 [ 429.294869] ? mark_held_locks+0x130/0x130 [ 429.299110] ? mark_held_locks+0x130/0x130 [ 429.303350] ? graph_lock+0x170/0x170 [ 429.307155] ? print_usage_bug+0xc0/0xc0 [ 429.311221] ? graph_lock+0x170/0x170 [ 429.315025] ? print_usage_bug+0xc0/0xc0 [ 429.319090] ? wq_watchdog_touch+0x9c/0xfe [ 429.323325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.328869] ? check_preemption_disabled+0x48/0x200 [ 429.333888] ? check_preemption_disabled+0x48/0x200 [ 429.338916] ? __lock_is_held+0xb5/0x140 [ 429.342990] __alloc_pages_nodemask+0xa80/0xde0 [ 429.347664] ? graph_lock+0x170/0x170 [ 429.351481] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.356511] ? graph_lock+0x170/0x170 [ 429.360328] ? find_held_lock+0x36/0x1c0 [ 429.364401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.369534] ? lock_downgrade+0x900/0x900 [ 429.373692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.379241] cache_grow_begin+0x91/0x8c0 [ 429.383305] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.387723] fallback_alloc+0x203/0x2e0 [ 429.391706] ____cache_alloc_node+0x1c7/0x1e0 [ 429.396209] kmem_cache_alloc_node+0xe3/0x730 [ 429.400720] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.404969] __alloc_skb+0x119/0x770 [ 429.408689] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.413972] ? skb_scrub_packet+0x490/0x490 [ 429.418296] ? lock_downgrade+0x900/0x900 [ 429.422453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.428006] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.433464] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.438931] ? addrconf_rs_timer+0x690/0x690 [ 429.443354] ndisc_alloc_skb+0x144/0x340 [ 429.447422] ndisc_send_rs+0x331/0x6e0 [ 429.451315] addrconf_rs_timer+0x314/0x690 [ 429.455559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.459815] call_timer_fn+0x272/0x920 [ 429.463708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.467946] ? process_timeout+0x40/0x40 [ 429.472007] ? find_held_lock+0x36/0x1c0 [ 429.476084] ? mark_held_locks+0xc7/0x130 [ 429.480239] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.484740] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.489232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.493481] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 429.498198] ? trace_hardirqs_on+0xbd/0x310 [ 429.502530] ? kasan_check_read+0x11/0x20 [ 429.506682] ? __run_timers+0x7da/0xc70 [ 429.510658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.516115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.520355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.524611] __run_timers+0x7e5/0xc70 [ 429.528429] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.533792] ? lock_downgrade+0x900/0x900 [ 429.537952] ? print_usage_bug+0xc0/0xc0 [ 429.542013] ? trace_hardirqs_on+0x310/0x310 [ 429.546435] ? kvm_clock_read+0x18/0x30 [ 429.550415] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.555439] ? graph_lock+0x170/0x170 [ 429.559253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.564795] ? check_preemption_disabled+0x48/0x200 [ 429.569825] ? __lock_is_held+0xb5/0x140 [ 429.573902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.579443] ? check_preemption_disabled+0x48/0x200 [ 429.584485] run_timer_softirq+0x52/0xb0 [ 429.588559] ? rcu_read_lock_sched_held+0x108/0x120 [ 429.593586] __do_softirq+0x30b/0xad8 [ 429.597399] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.602513] ? irq_exit+0xbd/0x1c0 [ 429.606056] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 429.611079] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.616970] ? ret_from_intr+0xb/0x1e [ 429.620777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.625799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.630648] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.635665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.641205] ? check_preemption_disabled+0x48/0x200 [ 429.646220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.651766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.656615] ? neigh_periodic_work+0x6bd/0xc60 [ 429.661201] do_softirq_own_stack+0x2a/0x40 [ 429.665522] [ 429.667767] do_softirq.part.13+0x126/0x160 [ 429.672092] __local_bh_enable_ip+0x21d/0x260 [ 429.676595] _raw_write_unlock_bh+0x30/0x40 [ 429.680921] neigh_periodic_work+0x6bd/0xc60 [ 429.685345] ? neigh_table_clear+0x390/0x390 [ 429.689759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.695301] ? check_preemption_disabled+0x48/0x200 [ 429.700350] ? check_preemption_disabled+0x48/0x200 [ 429.705388] ? __lock_is_held+0xb5/0x140 [ 429.709467] process_one_work+0xc90/0x1b90 [ 429.713723] ? mark_held_locks+0x130/0x130 [ 429.717970] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 429.722644] ? __switch_to_asm+0x40/0x70 [ 429.726709] ? __switch_to_asm+0x40/0x70 [ 429.730771] ? __switch_to_asm+0x34/0x70 [ 429.734834] ? __switch_to_asm+0x40/0x70 [ 429.738894] ? __switch_to_asm+0x34/0x70 [ 429.742955] ? __switch_to_asm+0x40/0x70 [ 429.747020] ? __switch_to_asm+0x34/0x70 [ 429.751084] ? __switch_to_asm+0x40/0x70 [ 429.755152] ? __schedule+0x874/0x1ed0 [ 429.759044] ? __switch_to_asm+0x34/0x70 [ 429.763110] ? __switch_to_asm+0x40/0x70 [ 429.767191] ? kasan_check_read+0x11/0x20 [ 429.771347] ? graph_lock+0x170/0x170 [ 429.775150] ? __sched_text_start+0x8/0x8 [ 429.779303] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.783906] ? retint_kernel+0x2d/0x2d [ 429.787803] ? find_held_lock+0x36/0x1c0 [ 429.791871] ? lock_acquire+0x1ed/0x520 [ 429.795849] ? worker_thread+0x3e0/0x1390 [ 429.800007] ? lock_release+0x970/0x970 [ 429.803987] ? trace_hardirqs_off+0xb8/0x310 [ 429.808395] ? kasan_check_read+0x11/0x20 [ 429.812548] ? worker_thread+0x3e0/0x1390 [ 429.816702] ? trace_hardirqs_on+0x310/0x310 [ 429.821120] ? kasan_check_write+0x14/0x20 [ 429.825361] ? do_raw_spin_lock+0xc1/0x200 [ 429.829603] worker_thread+0x17f/0x1390 [ 429.833585] ? __switch_to_asm+0x34/0x70 [ 429.837666] ? process_one_work+0x1b90/0x1b90 [ 429.842170] ? graph_lock+0x170/0x170 [ 429.845971] ? graph_lock+0x170/0x170 [ 429.849775] ? find_held_lock+0x36/0x1c0 [ 429.853849] ? find_held_lock+0x36/0x1c0 [ 429.857923] ? __kthread_parkme+0xce/0x1a0 [ 429.862161] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.867268] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.872373] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.876957] ? trace_hardirqs_on+0xbd/0x310 [ 429.881282] ? kasan_check_read+0x11/0x20 [ 429.885433] ? __kthread_parkme+0xce/0x1a0 [ 429.889676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.895131] ? kasan_check_write+0x14/0x20 [ 429.899368] ? do_raw_spin_lock+0xc1/0x200 [ 429.903615] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.908725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.914267] ? __kthread_parkme+0xfb/0x1a0 [ 429.918520] kthread+0x35a/0x420 [ 429.921887] ? process_one_work+0x1b90/0x1b90 [ 429.926383] ? kthread_bind+0x40/0x40 [ 429.930190] ret_from_fork+0x3a/0x50 [ 429.933921] warn_alloc_show_mem: 1 callbacks suppressed [ 429.933933] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 429.933934] Mem-Info: [ 429.933966] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 429.933966] active_file:14 inactive_file:13 isolated_file:0 [ 429.933966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 429.933966] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 429.933966] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 429.933966] free:13770 free_pcp:433 free_cma:0 [ 429.939311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.946690] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 429.949092] Call Trace: [ 429.982133] Node 0 [ 429.991483] [ 430.019097] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 430.021662] dump_stack+0x1c4/0x2b4 [ 430.023862] lowmem_reserve[]: 0 [ 430.026028] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.051513] 2819 [ 430.055154] warn_alloc.cold.119+0xb7/0x1bd [ 430.058392] 6323 6323 [ 430.063587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.069946] ? lock_downgrade+0x900/0x900 [ 430.072419] Node 0 [ 430.077258] ? trace_hardirqs_off+0xb8/0x310 [ 430.081403] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.083614] ? trace_hardirqs_off+0xb8/0x310 [ 430.087990] lowmem_reserve[]: 0 0 [ 430.114981] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.119351] 3503 3503 [ 430.122838] ? warn_alloc+0x120/0x120 [ 430.127628] Node 0 [ 430.130124] ? print_usage_bug+0xc0/0xc0 [ 430.133924] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 430.136134] ? warn_alloc+0x120/0x120 [ 430.140162] lowmem_reserve[]: 0 [ 430.168706] ? print_usage_bug+0xc0/0xc0 [ 430.172487] 0 [ 430.175760] ? warn_alloc+0x120/0x120 [ 430.179794] 0 [ 430.181590] ? print_usage_bug+0xc0/0xc0 [ 430.185375] 0 [ 430.187179] ? print_usage_bug+0xc0/0xc0 [ 430.191216] Node 0 [ 430.193017] ? __lock_acquire+0x7ec/0x4ec0 [ 430.197052] DMA: [ 430.199284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.203507] 1*4kB [ 430.205565] ? should_fail+0x22d/0xd01 [ 430.211073] (U) [ 430.213217] ? print_usage_bug+0xc0/0xc0 [ 430.217075] 0*8kB 0*16kB [ 430.219057] ? print_usage_bug+0xc0/0xc0 [ 430.223094] 1*32kB [ 430.225846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.229876] (U) 2*64kB [ 430.232116] ? __lock_acquire+0x7ec/0x4ec0 [ 430.237189] (U) 1*128kB [ 430.239781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.243991] (U) [ 430.246661] ? should_fail+0x22d/0xd01 [ 430.251735] 1*256kB (U) [ 430.253717] ? mark_held_locks+0x130/0x130 [ 430.257579] 0*512kB 1*1024kB [ 430.260257] ? mark_held_locks+0x130/0x130 [ 430.264460] (U) [ 430.267568] ? mark_held_locks+0x130/0x130 [ 430.271771] 1*2048kB (M) [ 430.273753] ? __lock_acquire+0x7ec/0x4ec0 [ 430.277964] 3*4096kB [ 430.280715] ? graph_lock+0x170/0x170 [ 430.284927] (M) [ 430.287333] ? mark_held_locks+0x130/0x130 [ 430.291107] = 15908kB [ 430.291115] Node 0 [ 430.293087] ? mark_held_locks+0x130/0x130 [ 430.297300] DMA32: [ 430.299708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.301934] 5*4kB [ 430.306168] ? check_preemption_disabled+0x48/0x200 [ 430.308377] (UMH) [ 430.313911] ? check_preemption_disabled+0x48/0x200 [ 430.316031] 2*8kB (MH) [ 430.321057] ? __lock_is_held+0xb5/0x140 [ 430.323171] 3*16kB (MH) [ 430.328193] __alloc_pages_nodemask+0xa80/0xde0 [ 430.330765] 3*32kB [ 430.334818] ? graph_lock+0x170/0x170 [ 430.337466] (MH) [ 430.342152] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 430.344360] 5*64kB (MH) [ 430.348162] ? graph_lock+0x170/0x170 [ 430.350204] 3*128kB [ 430.355221] ? find_held_lock+0x36/0x1c0 [ 430.357863] (M) [ 430.361679] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.363967] 5*256kB (UMH) [ 430.368147] ? lock_downgrade+0x900/0x900 [ 430.370104] 5*512kB [ 430.374770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.377595] (UMH) [ 430.381737] cache_grow_begin+0x91/0x8c0 [ 430.384031] 4*1024kB (UMH) [ 430.389570] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.391697] 2*2048kB [ 430.395758] fallback_alloc+0x203/0x2e0 [ 430.398691] (M) [ 430.403097] ____cache_alloc_node+0x1c7/0x1e0 [ 430.405496] 3*4096kB [ 430.409462] kmem_cache_alloc_node+0xe3/0x730 [ 430.411422] (M) [ 430.415919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.418302] = 25204kB [ 430.418310] Node 0 [ 430.422805] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.424758] Normal: [ 430.429863] __alloc_skb+0x119/0x770 [ 430.432246] 990*4kB [ 430.434488] ? calc_wheel_index+0x220/0x220 [ 430.439048] (UMEH) [ 430.441368] ? skb_scrub_packet+0x490/0x490 [ 430.445056] 505*8kB [ 430.447375] ? lock_acquire+0x1ed/0x520 [ 430.451688] (MEH) [ 430.453923] ? aoecmd_cfg+0x108/0x7f0 [ 430.458216] 189*16kB (MEH) [ 430.460557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.464538] 66*32kB [ 430.466703] ? check_preemption_disabled+0x48/0x200 [ 430.470482] (UMH) [ 430.473415] ? kasan_check_read+0x11/0x20 [ 430.478917] 0*64kB 1*128kB [ 430.481246] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.486232] (H) [ 430.488382] ? rcu_bh_qs+0xc0/0xc0 [ 430.492509] 1*256kB (H) [ 430.495445] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 430.500699] 1*512kB [ 430.502677] new_skb+0x26/0x1c0 [ 430.506195] (H) [ 430.508862] aoecmd_cfg+0x279/0x7f0 [ 430.513435] 0*1024kB [ 430.515763] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 430.519020] 0*2048kB [ 430.520990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.524587] 0*4096kB = 14032kB [ 430.527007] ? check_preemption_disabled+0x48/0x200 [ 430.531305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.533706] ? check_preemption_disabled+0x48/0x200 [ 430.539222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.542411] ? __lock_is_held+0xb5/0x140 [ 430.547397] 5170 total pagecache pages [ 430.556230] discover_timer+0x50/0x60 [ 430.561221] 0 pages in swap cache [ 430.569786] call_timer_fn+0x272/0x920 [ 430.573822] Swap cache stats: add 0, delete 0, find 0/0 [ 430.577697] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 430.581487] Free swap = 0kB [ 430.584934] ? process_timeout+0x40/0x40 [ 430.588789] Total swap = 0kB [ 430.588797] 1965979 pages RAM [ 430.594153] ? find_held_lock+0x36/0x1c0 [ 430.598965] 0 pages HighMem/MovableOnly [ 430.598973] 342306 pages reserved [ 430.602000] ? __run_timers+0x7da/0xc70 [ 430.606022] 0 pages cma reserved [ 430.606101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.609044] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.612217] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.616182] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.620136] kworker/0:2 cpuset= [ 430.623576] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 430.623593] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.627545] / [ 430.630906] ? trace_hardirqs_on+0xbd/0x310 [ 430.637379] mems_allowed=0 [ 430.641885] ? kasan_check_read+0x11/0x20 [ 430.682386] ? __run_timers+0x7da/0xc70 [ 430.686365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.691832] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 430.696677] __run_timers+0x7e5/0xc70 [ 430.700505] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.705872] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.710892] ? graph_lock+0x170/0x170 [ 430.714697] ? enqueue_hrtimer+0x1a5/0x560 [ 430.718930] ? lock_release+0x970/0x970 [ 430.722909] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.728111] ? find_held_lock+0x36/0x1c0 [ 430.732180] ? graph_lock+0x170/0x170 [ 430.735983] ? pvclock_read_flags+0x160/0x160 [ 430.740494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.746036] ? check_preemption_disabled+0x48/0x200 [ 430.751068] ? __lock_is_held+0xb5/0x140 [ 430.755135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.760674] ? check_preemption_disabled+0x48/0x200 [ 430.765704] run_timer_softirq+0x52/0xb0 [ 430.769773] ? rcu_read_lock_sched_held+0x108/0x120 [ 430.774792] __do_softirq+0x30b/0xad8 [ 430.778609] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 430.783719] ? pvclock_read_flags+0x160/0x160 [ 430.788214] ? lapic_next_event+0x5a/0x90 [ 430.792375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.797914] ? check_preemption_disabled+0x48/0x200 [ 430.802930] ? check_preemption_disabled+0x48/0x200 [ 430.807963] ? kvm_clock_read+0x18/0x30 [ 430.811944] ? kvm_sched_clock_read+0x9/0x20 [ 430.816358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.821902] ? check_preemption_disabled+0x48/0x200 [ 430.826946] irq_exit+0x17f/0x1c0 [ 430.830408] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.835252] ? smp_reschedule_interrupt+0x109/0x650 [ 430.840272] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.846163] ? interrupt_entry+0xb5/0xf0 [ 430.850230] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.855244] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.860265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.865111] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.870128] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.875150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.880699] ? check_preemption_disabled+0x48/0x200 [ 430.885718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.891267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.896124] apic_timer_interrupt+0xf/0x20 [ 430.900355] [ 430.902602] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.907535] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 430.926434] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 430.934159] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.941431] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 430.948704] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 430.955974] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.963248] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 430.970572] skb_clone+0x1bb/0x500 [ 430.974116] ? finish_task_switch+0x2f5/0x900 [ 430.978795] ? skb_split+0x11e0/0x11e0 [ 430.982688] ? preempt_notifier_register+0x200/0x200 [ 430.987818] ? __switch_to_asm+0x34/0x70 [ 430.991887] ? __switch_to_asm+0x34/0x70 [ 430.995949] ? __switch_to_asm+0x40/0x70 [ 431.000018] ? __switch_to_asm+0x34/0x70 [ 431.004084] ? __switch_to_asm+0x40/0x70 [ 431.008152] ? __switch_to_asm+0x34/0x70 [ 431.012214] ? __switch_to_asm+0x40/0x70 [ 431.016277] ? __switch_to_asm+0x34/0x70 [ 431.020340] ? __switch_to_asm+0x34/0x70 [ 431.024403] ? __switch_to_asm+0x40/0x70 [ 431.028466] ? __switch_to_asm+0x34/0x70 [ 431.032547] bpf_clone_redirect+0xb9/0x490 [ 431.036785] ? __schedule+0x874/0x1ed0 [ 431.040684] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 431.045708] ? __sched_text_start+0x8/0x8 [ 431.049872] ? find_held_lock+0x36/0x1c0 [ 431.053941] ? lock_acquire+0x1ed/0x520 [ 431.057917] ? bpf_test_run+0x3cb/0x780 [ 431.061899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.067448] ? check_preemption_disabled+0x48/0x200 [ 431.072493] ? kasan_check_read+0x11/0x20 [ 431.076650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.081937] ? rcu_bh_qs+0xc0/0xc0 [ 431.085494] ? preempt_schedule+0x4d/0x60 [ 431.089650] ? ___preempt_schedule+0x16/0x18 [ 431.094070] ? bpf_test_run+0x25d/0x780 [ 431.098065] ? netlink_diag_dump+0x2a0/0x2a0 [ 431.102492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.108045] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 431.112815] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.117659] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.123200] ? fput+0x130/0x1a0 [ 431.126492] ? __bpf_prog_get+0x9b/0x290 [ 431.130563] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.135404] ? bpf_prog_test_run+0x130/0x1a0 [ 431.139817] ? __x64_sys_bpf+0x3d8/0x520 [ 431.143879] ? bpf_prog_get+0x20/0x20 [ 431.147719] ? do_syscall_64+0x1b9/0x820 [ 431.151787] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.157159] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.162097] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.167119] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.172135] ? recalc_sigpending_tsk+0x180/0x180 [ 431.176900] ? kasan_check_write+0x14/0x20 [ 431.181145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.186006] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.191398] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 431.191487] aoe: skb alloc failure [ 431.198508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.198531] Workqueue: events_power_efficient neigh_periodic_work [ 431.202119] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.217605] syz-executor2 cpuset= [ 431.228068] Call Trace: [ 431.228078] syz2 [ 431.231517] [ 431.234094] mems_allowed=0 [ 431.236066] dump_stack+0x1c4/0x2b4 [ 431.244732] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.249939] warn_alloc.cold.119+0xb7/0x1bd [ 431.254265] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.259114] ? lock_downgrade+0x900/0x900 [ 431.263275] ? trace_hardirqs_off+0xb8/0x310 [ 431.267693] ? trace_hardirqs_off+0xb8/0x310 [ 431.272113] __alloc_pages_slowpath+0x2667/0x2d80 [ 431.276991] ? warn_alloc+0x120/0x120 [ 431.280796] ? trace_hardirqs_on+0x310/0x310 [ 431.285208] ? warn_alloc+0x120/0x120 [ 431.289018] ? print_usage_bug+0xc0/0xc0 [ 431.293081] ? warn_alloc+0x120/0x120 [ 431.296881] ? ktime_get+0x2e1/0x440 [ 431.300602] ? print_usage_bug+0xc0/0xc0 [ 431.304671] ? __lock_acquire+0x7ec/0x4ec0 [ 431.308906] ? __lock_acquire+0x7ec/0x4ec0 [ 431.313144] ? kasan_check_read+0x11/0x20 [ 431.317299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.322845] ? should_fail+0x22d/0xd01 [ 431.326736] ? rcu_bh_qs+0xc0/0xc0 [ 431.330286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.335395] ? __lock_acquire+0x7ec/0x4ec0 [ 431.339641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.344748] ? __lock_acquire+0x7ec/0x4ec0 [ 431.348986] ? should_fail+0x22d/0xd01 [ 431.352878] ? rcu_idle_enter+0x4b0/0x4b0 [ 431.357037] ? mark_held_locks+0x130/0x130 [ 431.361279] ? mark_held_locks+0x130/0x130 [ 431.365526] ? mark_held_locks+0xc7/0x130 [ 431.369678] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 431.374695] ? graph_lock+0x170/0x170 [ 431.378511] ? print_usage_bug+0xc0/0xc0 [ 431.382580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.388124] ? check_preemption_disabled+0x48/0x200 [ 431.393141] ? check_preemption_disabled+0x48/0x200 [ 431.398172] ? __lock_is_held+0xb5/0x140 [ 431.402248] __alloc_pages_nodemask+0xa80/0xde0 [ 431.406922] ? graph_lock+0x170/0x170 [ 431.410731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.415743] ? graph_lock+0x170/0x170 [ 431.419564] ? find_held_lock+0x36/0x1c0 [ 431.423653] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.428323] ? lock_downgrade+0x900/0x900 [ 431.432490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.438040] cache_grow_begin+0x91/0x8c0 [ 431.442104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.446531] fallback_alloc+0x203/0x2e0 [ 431.450524] ____cache_alloc_node+0x1c7/0x1e0 [ 431.455030] kmem_cache_alloc_node+0xe3/0x730 [ 431.459531] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.463781] __alloc_skb+0x119/0x770 [ 431.467509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.472810] ? skb_scrub_packet+0x490/0x490 [ 431.477148] ? lock_downgrade+0x900/0x900 [ 431.481313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.486857] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.492314] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.497935] ? addrconf_rs_timer+0x690/0x690 [ 431.502364] ndisc_alloc_skb+0x144/0x340 [ 431.506434] ndisc_send_rs+0x331/0x6e0 [ 431.510341] addrconf_rs_timer+0x314/0x690 [ 431.514589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.518843] call_timer_fn+0x272/0x920 [ 431.522736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.526973] ? process_timeout+0x40/0x40 [ 431.531033] ? find_held_lock+0x36/0x1c0 [ 431.535103] ? mark_held_locks+0xc7/0x130 [ 431.539258] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.543757] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.548253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.552499] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 431.557087] ? trace_hardirqs_on+0xbd/0x310 [ 431.561410] ? kasan_check_read+0x11/0x20 [ 431.565564] ? __run_timers+0x7da/0xc70 [ 431.569543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.575000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.579241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.583489] __run_timers+0x7e5/0xc70 [ 431.587312] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 431.592677] ? lock_downgrade+0x900/0x900 [ 431.596841] ? print_usage_bug+0xc0/0xc0 [ 431.600903] ? trace_hardirqs_on+0x310/0x310 [ 431.605327] ? kvm_clock_read+0x18/0x30 [ 431.609302] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 431.614328] ? graph_lock+0x170/0x170 [ 431.618138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.623680] ? check_preemption_disabled+0x48/0x200 [ 431.628710] ? __lock_is_held+0xb5/0x140 [ 431.632772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.638312] ? check_preemption_disabled+0x48/0x200 [ 431.643358] run_timer_softirq+0x52/0xb0 [ 431.647425] ? rcu_read_lock_sched_held+0x108/0x120 [ 431.652443] __do_softirq+0x30b/0xad8 [ 431.656266] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 431.661372] ? irq_exit+0xbd/0x1c0 [ 431.664918] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 431.669937] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.675827] ? ret_from_intr+0xb/0x1e [ 431.679631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.684650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.689511] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.694532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.700074] ? check_preemption_disabled+0x48/0x200 [ 431.705094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.710641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.715506] ? neigh_periodic_work+0x6bd/0xc60 [ 431.720091] do_softirq_own_stack+0x2a/0x40 [ 431.724407] [ 431.726650] do_softirq.part.13+0x126/0x160 [ 431.730978] __local_bh_enable_ip+0x21d/0x260 [ 431.735491] _raw_write_unlock_bh+0x30/0x40 [ 431.739826] neigh_periodic_work+0x6bd/0xc60 [ 431.744247] ? neigh_table_clear+0x390/0x390 [ 431.748669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.754218] ? check_preemption_disabled+0x48/0x200 [ 431.759239] ? check_preemption_disabled+0x48/0x200 [ 431.764271] ? __lock_is_held+0xb5/0x140 [ 431.768349] process_one_work+0xc90/0x1b90 [ 431.772586] ? mark_held_locks+0x130/0x130 [ 431.776840] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 431.781519] ? __switch_to_asm+0x40/0x70 [ 431.785582] ? __switch_to_asm+0x40/0x70 [ 431.789644] ? __switch_to_asm+0x34/0x70 [ 431.793710] ? __switch_to_asm+0x40/0x70 [ 431.797773] ? __switch_to_asm+0x34/0x70 [ 431.801837] ? __switch_to_asm+0x40/0x70 [ 431.805901] ? __switch_to_asm+0x34/0x70 [ 431.809961] ? __switch_to_asm+0x40/0x70 [ 431.814033] ? __schedule+0x874/0x1ed0 [ 431.817922] ? __switch_to_asm+0x34/0x70 [ 431.821986] ? __switch_to_asm+0x40/0x70 [ 431.826066] ? kasan_check_read+0x11/0x20 [ 431.830222] ? graph_lock+0x170/0x170 [ 431.834030] ? __sched_text_start+0x8/0x8 [ 431.838186] ? lockdep_hardirqs_on+0x421/0x5c0 [ 431.842774] ? retint_kernel+0x2d/0x2d [ 431.846668] ? find_held_lock+0x36/0x1c0 [ 431.850739] ? lock_acquire+0x1ed/0x520 [ 431.854718] ? worker_thread+0x3e0/0x1390 [ 431.858873] ? lock_release+0x970/0x970 [ 431.862851] ? trace_hardirqs_off+0xb8/0x310 [ 431.867263] ? kasan_check_read+0x11/0x20 [ 431.871413] ? worker_thread+0x3e0/0x1390 [ 431.875565] ? trace_hardirqs_on+0x310/0x310 [ 431.879981] ? kasan_check_write+0x14/0x20 [ 431.884216] ? do_raw_spin_lock+0xc1/0x200 [ 431.888457] worker_thread+0x17f/0x1390 [ 431.892449] ? __switch_to_asm+0x34/0x70 [ 431.896536] ? process_one_work+0x1b90/0x1b90 [ 431.901045] ? graph_lock+0x170/0x170 [ 431.904850] ? graph_lock+0x170/0x170 [ 431.908650] ? find_held_lock+0x36/0x1c0 [ 431.912725] ? find_held_lock+0x36/0x1c0 [ 431.916839] ? __kthread_parkme+0xce/0x1a0 [ 431.921079] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.926185] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.931292] ? lockdep_hardirqs_on+0x421/0x5c0 [ 431.935881] ? trace_hardirqs_on+0xbd/0x310 [ 431.940207] ? kasan_check_read+0x11/0x20 [ 431.944354] ? __kthread_parkme+0xce/0x1a0 [ 431.948614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.954074] ? kasan_check_write+0x14/0x20 [ 431.958312] ? do_raw_spin_lock+0xc1/0x200 [ 431.962562] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.967671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.973208] ? __kthread_parkme+0xfb/0x1a0 [ 431.977451] kthread+0x35a/0x420 [ 431.980833] ? process_one_work+0x1b90/0x1b90 [ 431.985330] ? kthread_bind+0x40/0x40 [ 431.989140] ret_from_fork+0x3a/0x50 [ 431.992875] warn_alloc_show_mem: 1 callbacks suppressed [ 431.992887] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 431.992889] Mem-Info: [ 431.992920] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 431.992920] active_file:14 inactive_file:13 isolated_file:0 [ 431.992920] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.992920] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 431.992920] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 431.992920] free:13770 free_pcp:433 free_cma:0 [ 431.998265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.005633] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.008035] Call Trace: [ 432.041084] Node 0 [ 432.050434] [ 432.078035] 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 [ 432.080605] dump_stack+0x1c4/0x2b4 [ 432.082799] lowmem_reserve[]: 0 [ 432.084957] ? dump_stack_print_info.cold.2+0x52/0x52 [ 432.110435] 2819 [ 432.114066] warn_alloc.cold.119+0xb7/0x1bd [ 432.117310] 6323 [ 432.122500] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.124546] 6323 [ 432.128863] ? lock_downgrade+0x900/0x900 [ 432.135741] ? trace_hardirqs_off+0xb8/0x310 [ 432.137775] Node 0 [ 432.141917] ? trace_hardirqs_off+0xb8/0x310 [ 432.146327] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 432.148539] __alloc_pages_slowpath+0x2667/0x2d80 [ 432.152910] lowmem_reserve[]: 0 [ 432.179934] ? warn_alloc+0x120/0x120 [ 432.184736] 0 [ 432.188033] ? warn_alloc+0x120/0x120 [ 432.191791] 3503 3503 [ 432.193605] ? print_usage_bug+0xc0/0xc0 [ 432.197377] Node 0 [ 432.199874] ? warn_alloc+0x120/0x120 [ 432.203938] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 432.206143] ? print_usage_bug+0xc0/0xc0 [ 432.209910] lowmem_reserve[]: 0 [ 432.238457] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.238482] ? ktime_get+0x2e1/0x440 [ 432.242524] 0 [ 432.245805] ? check_preemption_disabled+0x48/0x200 [ 432.250787] 0 0 [ 432.254515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.256299] Node 0 [ 432.261311] ? should_fail+0x22d/0xd01 [ 432.263254] DMA: 1*4kB [ 432.268796] ? kasan_check_read+0x11/0x20 [ 432.271005] (U) [ 432.274890] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.277445] 0*8kB 0*16kB [ 432.281609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.283563] 1*32kB [ 432.288853] ? __lock_acquire+0x7ec/0x4ec0 [ 432.291588] (U) [ 432.296689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.298905] 2*64kB [ 432.303132] ? should_fail+0x22d/0xd01 [ 432.305085] (U) [ 432.310188] ? mark_held_locks+0x130/0x130 [ 432.312390] 1*128kB (U) [ 432.316281] ? mark_held_locks+0x130/0x130 [ 432.318230] 1*256kB (U) [ 432.322477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.325122] 0*512kB [ 432.329354] ? graph_lock+0x170/0x170 [ 432.331995] 1*1024kB (U) [ 432.337536] ? mark_held_locks+0xc7/0x130 [ 432.339843] 1*2048kB [ 432.343637] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 432.346394] (M) [ 432.350538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.352928] 3*4096kB [ 432.357939] ? check_preemption_disabled+0x48/0x200 [ 432.359887] (M) [ 432.365562] ? check_preemption_disabled+0x48/0x200 [ 432.365588] ? __lock_is_held+0xb5/0x140 [ 432.367973] = 15908kB [ 432.373000] __alloc_pages_nodemask+0xa80/0xde0 [ 432.374944] Node 0 [ 432.379951] ? graph_lock+0x170/0x170 [ 432.383990] DMA32: [ 432.386403] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.391046] 5*4kB [ 432.393273] ? graph_lock+0x170/0x170 [ 432.393299] ? find_held_lock+0x36/0x1c0 [ 432.397067] (UMH) [ 432.399307] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.404287] 2*8kB (MH) [ 432.406440] ? lock_downgrade+0x900/0x900 [ 432.410213] 3*16kB (MH) [ 432.414285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.416411] 3*32kB [ 432.421081] cache_grow_begin+0x91/0x8c0 [ 432.423641] (MH) [ 432.427786] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.430436] 5*64kB [ 432.435972] fallback_alloc+0x203/0x2e0 [ 432.438279] (MH) [ 432.442339] ____cache_alloc_node+0x1c7/0x1e0 [ 432.444374] 3*128kB (M) [ 432.448786] kmem_cache_alloc_node+0xe3/0x730 [ 432.450990] 5*256kB (UMH) 5*512kB [ 432.454976] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.457017] (UMH) [ 432.461516] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 432.464167] 4*1024kB [ 432.468680] __alloc_skb+0x119/0x770 [ 432.472774] (UMH) [ 432.477882] ? calc_wheel_index+0x220/0x220 [ 432.480009] 2*2048kB (M) [ 432.484596] ? skb_scrub_packet+0x490/0x490 [ 432.486976] 3*4096kB (M) [ 432.490703] ? vprintk_default+0x28/0x30 [ 432.492819] = 25204kB [ 432.492827] Node 0 [ 432.497139] ? vprintk_func+0x85/0x181 [ 432.499875] Normal: [ 432.504189] ? printk+0xa7/0xcf [ 432.506924] 990*4kB [ 432.510975] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 432.513355] (UMEH) 505*8kB [ 432.515597] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 432.519456] (MEH) [ 432.521800] new_skb+0x26/0x1c0 [ 432.525053] 189*16kB (MEH) [ 432.527382] aoecmd_cfg+0x279/0x7f0 [ 432.532106] 66*32kB (UMH) [ 432.535049] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 432.539603] 0*64kB [ 432.541747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.544993] 1*128kB (H) [ 432.547932] ? check_preemption_disabled+0x48/0x200 [ 432.551528] 1*256kB (H) [ 432.554378] ? check_preemption_disabled+0x48/0x200 [ 432.558675] 1*512kB [ 432.560914] ? __lock_is_held+0xb5/0x140 [ 432.566420] (H) [ 432.569092] discover_timer+0x50/0x60 [ 432.574072] 0*1024kB 0*2048kB [ 432.576747] call_timer_fn+0x272/0x920 [ 432.581757] 0*4096kB [ 432.584075] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.588106] = 14032kB [ 432.588121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.590086] ? process_timeout+0x40/0x40 [ 432.593866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.597050] ? find_held_lock+0x36/0x1c0 [ 432.600912] 5170 total pagecache pages [ 432.603323] ? __run_timers+0x7da/0xc70 [ 432.608147] 0 pages in swap cache [ 432.610545] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.619359] Swap cache stats: add 0, delete 0, find 0/0 [ 432.619368] Free swap = 0kB [ 432.623430] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.631976] Total swap = 0kB [ 432.636042] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.639906] 1965979 pages RAM [ 432.643878] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 432.647306] 0 pages HighMem/MovableOnly [ 432.651794] ? trace_hardirqs_on+0xbd/0x310 [ 432.657127] 342306 pages reserved [ 432.657135] 0 pages cma reserved [ 432.660149] ? kasan_check_read+0x11/0x20 [ 432.664698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.667651] ? __run_timers+0x7da/0xc70 [ 432.672595] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.675578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.680142] kworker/0:2 cpuset= [ 432.684120] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.688407] / [ 432.691855] __run_timers+0x7e5/0xc70 [ 432.695199] mems_allowed=0 [ 432.699434] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.747461] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.752497] ? graph_lock+0x170/0x170 [ 432.756307] ? enqueue_hrtimer+0x1a5/0x560 [ 432.760540] ? lock_release+0x970/0x970 [ 432.764515] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.769716] ? find_held_lock+0x36/0x1c0 [ 432.773786] ? graph_lock+0x170/0x170 [ 432.777596] ? pvclock_read_flags+0x160/0x160 [ 432.782094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.787641] ? check_preemption_disabled+0x48/0x200 [ 432.792683] ? __lock_is_held+0xb5/0x140 [ 432.796751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.802295] ? check_preemption_disabled+0x48/0x200 [ 432.807325] run_timer_softirq+0x52/0xb0 [ 432.811391] ? rcu_read_lock_sched_held+0x108/0x120 [ 432.816415] __do_softirq+0x30b/0xad8 [ 432.820226] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.825346] ? pvclock_read_flags+0x160/0x160 [ 432.829851] ? lapic_next_event+0x5a/0x90 [ 432.834009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.839554] ? check_preemption_disabled+0x48/0x200 [ 432.844573] ? check_preemption_disabled+0x48/0x200 [ 432.849597] ? kvm_clock_read+0x18/0x30 [ 432.853573] ? kvm_sched_clock_read+0x9/0x20 [ 432.857986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.863537] ? check_preemption_disabled+0x48/0x200 [ 432.868568] irq_exit+0x17f/0x1c0 [ 432.872029] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.876871] ? smp_reschedule_interrupt+0x109/0x650 [ 432.881890] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.887778] ? interrupt_entry+0xb5/0xf0 [ 432.891840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.896860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.901883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.906748] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.911765] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.916783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.922326] ? check_preemption_disabled+0x48/0x200 [ 432.927346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.932907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.937760] apic_timer_interrupt+0xf/0x20 [ 432.941990] [ 432.944246] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.949181] Code: 7e 0f 85 cf fe ff ff e8 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 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 aa 42 [ 432.968083] RSP: 0000:ffff8801a3147740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 432.975796] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 432.983068] RDX: 0000000000000000 RSI: ffff8801945728c0 RDI: 0000000000000286 [ 432.990336] RBP: ffff8801a31477a8 R08: ffff880194572040 R09: 0000000000000000 [ 432.997602] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.004869] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 433.012210] skb_clone+0x1bb/0x500 [ 433.015754] ? finish_task_switch+0x2f5/0x900 [ 433.020255] ? skb_split+0x11e0/0x11e0 [ 433.024143] ? preempt_notifier_register+0x200/0x200 [ 433.029252] ? __switch_to_asm+0x34/0x70 [ 433.033320] ? __switch_to_asm+0x34/0x70 [ 433.037390] ? __switch_to_asm+0x40/0x70 [ 433.041461] ? __switch_to_asm+0x34/0x70 [ 433.045533] ? __switch_to_asm+0x40/0x70 [ 433.049598] ? __switch_to_asm+0x34/0x70 [ 433.053661] ? __switch_to_asm+0x40/0x70 [ 433.057728] ? __switch_to_asm+0x34/0x70 [ 433.061790] ? __switch_to_asm+0x34/0x70 [ 433.065856] ? __switch_to_asm+0x40/0x70 [ 433.069930] ? __switch_to_asm+0x34/0x70 [ 433.074006] bpf_clone_redirect+0xb9/0x490 [ 433.078242] ? __schedule+0x874/0x1ed0 [ 433.082140] bpf_prog_bebbfe2050753572+0x38b/0x1000 [ 433.087164] ? __sched_text_start+0x8/0x8 [ 433.091327] ? find_held_lock+0x36/0x1c0 [ 433.095413] ? lock_acquire+0x1ed/0x520 [ 433.099484] ? bpf_test_run+0x3cb/0x780 [ 433.103461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.109017] ? check_preemption_disabled+0x48/0x200 [ 433.114048] ? kasan_check_read+0x11/0x20 [ 433.118203] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.123494] ? rcu_bh_qs+0xc0/0xc0 [ 433.127042] ? preempt_schedule+0x4d/0x60 [ 433.131196] ? ___preempt_schedule+0x16/0x18 [ 433.135615] ? bpf_test_run+0x25d/0x780 [ 433.139603] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.144018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.149565] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 433.154331] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.159178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.164720] ? fput+0x130/0x1a0 [ 433.168007] ? __bpf_prog_get+0x9b/0x290 [ 433.172072] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.176914] ? bpf_prog_test_run+0x130/0x1a0 [ 433.181327] ? __x64_sys_bpf+0x3d8/0x520 [ 433.185394] ? bpf_prog_get+0x20/0x20 [ 433.189229] ? do_syscall_64+0x1b9/0x820 [ 433.193300] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.198670] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.203604] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.208628] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.213648] ? recalc_sigpending_tsk+0x180/0x180 [ 433.218409] ? kasan_check_write+0x14/0x20 [ 433.222653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.227519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.232907] CPU: 0 PID: 2912 Comm: kworker/0:2 Not tainted 4.19.0-rc7+ #129 [ 433.232986] aoe: skb alloc failure [ 433.240006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.240028] Workqueue: events_power_efficient neigh_periodic_work [ 433.243625] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.259117] syz-executor2 cpuset= [ 433.269581] Call Trace: [ 433.269591] syz2 [ 433.273034] [ 433.275614] mems_allowed=0 [ 433.277584] dump_stack+0x1c4/0x2b4 [ 433.286277] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.291496] warn_alloc.cold.119+0xb7/0x1bd [ 433.295823] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.300670] ? lock_downgrade+0x900/0x900 [ 433.304829] ? trace_hardirqs_off+0xb8/0x310 [ 433.309245] ? trace_hardirqs_off+0xb8/0x310 [ 433.313668] __alloc_pages_slowpath+0x2667/0x2d80 [ 433.318540] ? graph_lock+0x170/0x170 [ 433.322369] ? warn_alloc+0x120/0x120 [ 433.326181] ? warn_alloc+0x120/0x120 [ 433.329985] ? print_usage_bug+0xc0/0xc0 [ 433.334052] ? warn_alloc+0x120/0x120 [ 433.337854] ? print_usage_bug+0xc0/0xc0 [ 433.341915] ? graph_lock+0x170/0x170 [ 433.345725] ? enqueue_hrtimer+0x1a5/0x560 [ 433.349963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.355514] ? should_fail+0x22d/0xd01 [ 433.359400] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.364598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.370137] ? __lock_acquire+0x7ec/0x4ec0 [ 433.374378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.379508] ? __lock_acquire+0x7ec/0x4ec0 [ 433.383745] ? should_fail+0x22d/0xd01 [ 433.387646] ? mark_held_locks+0x130/0x130 [ 433.391889] ? mark_held_locks+0x130/0x130 [ 433.396125] ? update_stack_state+0x1a5/0x690 [ 433.400632] ? graph_lock+0x170/0x170 [ 433.404440] ? ret_from_fork+0x3a/0x50 [ 433.408336] ? kvm_clock_read+0x18/0x30 [ 433.412317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.417859] ? check_preemption_disabled+0x48/0x200 [ 433.422881] ? check_preemption_disabled+0x48/0x200 [ 433.427916] ? __lock_is_held+0xb5/0x140 [ 433.431987] __alloc_pages_nodemask+0xa80/0xde0 [ 433.436661] ? graph_lock+0x170/0x170 [ 433.440478] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.445515] ? graph_lock+0x170/0x170 [ 433.449336] ? find_held_lock+0x36/0x1c0 [ 433.453411] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.458088] ? lock_downgrade+0x900/0x900 [ 433.462266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.467825] cache_grow_begin+0x91/0x8c0 [ 433.471900] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.476328] fallback_alloc+0x203/0x2e0 [ 433.480315] ____cache_alloc_node+0x1c7/0x1e0 [ 433.484821] kmem_cache_alloc_node+0xe3/0x730 [ 433.489322] ? mark_held_locks+0xc7/0x130 [ 433.493497] __alloc_skb+0x119/0x770 [ 433.497447] ? skb_scrub_packet+0x490/0x490 [ 433.501781] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 433.506370] ? queue_work_on+0x12c/0x1e0 [ 433.510446] ? switchdev_port_obj_del+0xdc/0x450 [ 433.515216] ? switchdev_trans_item_enqueue+0x260/0x260 [ 433.520589] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.525621] __br_mdb_notify+0x4ff/0x15d0 [ 433.529777] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.534898] ? __br_mdb_add+0x7f0/0x7f0 [ 433.538880] ? kasan_check_write+0x14/0x20 [ 433.543121] ? do_raw_spin_lock+0xc1/0x200 [ 433.547369] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.552487] ? debug_object_assert_init+0x368/0x4b0 [ 433.557528] ? debug_object_init_on_stack+0x20/0x20 [ 433.562553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.568100] br_mdb_notify+0x310/0x410 [ 433.571998] ? br_mdb_dump+0x27b0/0x27b0 [ 433.576080] br_multicast_del_pg+0x3df/0x790 [ 433.580508] ? br_mdb_ip_get+0x940/0x940 [ 433.584582] ? kasan_check_write+0x14/0x20 [ 433.588825] ? do_raw_spin_lock+0xc1/0x200 [ 433.593074] br_multicast_port_group_expired+0x189/0x1e0 [ 433.598538] call_timer_fn+0x272/0x920 [ 433.602429] ? br_multicast_del_pg+0x790/0x790 [ 433.607013] ? process_timeout+0x40/0x40 [ 433.611075] ? find_held_lock+0x36/0x1c0 [ 433.615146] ? mark_held_locks+0xc7/0x130 [ 433.619301] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.623798] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.628297] ? br_multicast_del_pg+0x790/0x790 [ 433.632888] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 433.637483] ? trace_hardirqs_on+0xbd/0x310 [ 433.641814] ? kasan_check_read+0x11/0x20 [ 433.645969] ? __run_timers+0x7da/0xc70 [ 433.649951] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.655415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.659663] ? br_multicast_del_pg+0x790/0x790 [ 433.664247] __run_timers+0x7e5/0xc70 [ 433.668068] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 433.673430] ? lock_downgrade+0x900/0x900 [ 433.677592] ? print_usage_bug+0xc0/0xc0 [ 433.681667] ? trace_hardirqs_on+0x310/0x310 [ 433.686087] ? kvm_clock_read+0x18/0x30 [ 433.690065] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.695088] ? graph_lock+0x170/0x170 [ 433.698892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.704437] ? check_preemption_disabled+0x48/0x200 [ 433.709479] ? __lock_is_held+0xb5/0x140 [ 433.713550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.719090] ? check_preemption_disabled+0x48/0x200 [ 433.724116] run_timer_softirq+0x52/0xb0 [ 433.728179] ? rcu_read_lock_sched_held+0x108/0x120 [ 433.733198] __do_softirq+0x30b/0xad8 [ 433.737013] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 433.742123] ? irq_exit+0xbd/0x1c0 [ 433.745684] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 433.750728] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.756622] ? ret_from_intr+0xb/0x1e [ 433.760429] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.765476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.770330] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.775382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.780932] ? check_preemption_disabled+0x48/0x200 [ 433.785953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.791526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.796383] ? neigh_periodic_work+0x6bd/0xc60 [ 433.800974] do_softirq_own_stack+0x2a/0x40 [ 433.805294] [ 433.807541] do_softirq.part.13+0x126/0x160 [ 433.811867] __local_bh_enable_ip+0x21d/0x260 [ 433.816372] _raw_write_unlock_bh+0x30/0x40 [ 433.820700] neigh_periodic_work+0x6bd/0xc60 [ 433.825127] ? neigh_table_clear+0x390/0x390 [ 433.829542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.835090] ? check_preemption_disabled+0x48/0x200 [ 433.840111] ? check_preemption_disabled+0x48/0x200 [ 433.845149] ? __lock_is_held+0xb5/0x140 [ 433.849228] process_one_work+0xc90/0x1b90 [ 433.853466] ? mark_held_locks+0x130/0x130 [ 433.857729] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 433.862400] ? __switch_to_asm+0x40/0x70 [ 433.866466] ? __switch_to_asm+0x40/0x70 [ 433.870541] ? __switch_to_asm+0x34/0x70 [ 433.874607] ? __switch_to_asm+0x40/0x70 [ 433.878670] ? __switch_to_asm+0x34/0x70 [ 433.882732] ? __switch_to_asm+0x40/0x70 [ 433.886800] ? __switch_to_asm+0x34/0x70 [ 433.890865] ? __switch_to_asm+0x40/0x70 [ 433.894939] ? __schedule+0x874/0x1ed0 [ 433.898842] ? __switch_to_asm+0x34/0x70 [ 433.902907] ? __switch_to_asm+0x40/0x70 [ 433.906992] ? kasan_check_read+0x11/0x20 [ 433.911149] ? graph_lock+0x170/0x170 [ 433.914957] ? __sched_text_start+0x8/0x8 [ 433.919120] ? lockdep_hardirqs_on+0x421/0x5c0 [ 433.923709] ? retint_kernel+0x2d/0x2d [ 433.927608] ? find_held_lock+0x36/0x1c0 [ 433.931683] ? lock_acquire+0x1ed/0x520 [ 433.935656] ? worker_thread+0x3e0/0x1390 [ 433.939812] ? lock_release+0x970/0x970 [ 433.943793] ? trace_hardirqs_off+0xb8/0x310 [ 433.948206] ? kasan_check_read+0x11/0x20 [ 433.952355] ? worker_thread+0x3e0/0x1390 [ 433.956517] ? trace_hardirqs_on+0x310/0x310 [ 433.960935] ? kasan_check_write+0x14/0x20 [ 433.965173] ? do_raw_spin_lock+0xc1/0x200 [ 433.969422] worker_thread+0x17f/0x1390 [ 433.973403] ? __switch_to_asm+0x34/0x70 [ 433.977486] ? process_one_work+0x1b90/0x1b90 [ 433.982002] ? graph_lock+0x170/0x170 [ 433.985804] ? graph_lock+0x170/0x170 [ 433.989610] ? find_held_lock+0x36/0x1c0 [ 433.993691] ? find_held_lock+0x36/0x1c0 [ 433.997768] ? __kthread_parkme+0xce/0x1a0 [ 434.002009] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.007120] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.012232] ? lockdep_hardirqs_on+0x421/0x5c0 [ 434.016819] ? trace_hardirqs_on+0xbd/0x310 [ 434.021163] ? kasan_check_read+0x11/0x20 [ 434.025316] ? __kthread_parkme+0xce/0x1a0 [ 434.029556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.035018] ? kasan_check_write+0x14/0x20 [ 434.039287] ? do_raw_spin_lock+0xc1/0x200 [ 434.043540] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.048648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.054192] ? __kthread_parkme+0xfb/0x1a0 [ 434.058434] kthread+0x35a/0x420 [ 434.061805] ? process_one_work+0x1b90/0x1b90 [ 434.066300] ? kthread_bind+0x40/0x40 [ 434.070111] ret_from_fork+0x3a/0x50 [ 434.073847] warn_alloc_show_mem: 1 callbacks suppressed [ 434.073859] CPU: 1 PID: 14835 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #129 [ 434.073861] Mem-Info: [ 434.073892] active_anon:47394 inactive_anon:1042 isolated_anon:0 [ 434.073892] active_file:14 inactive_file:13 isolated_file:0 [ 434.073892] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.073892] slab_reclaimable:9105 slab_unreclaimable:1476289 [ 434.073892] mapped:24587 shmem:5143 pagetables:545 bounce:0 [ 434.073892] free:13770 free_pcp:433 free_cma:0 [ 434.079241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.086611] Node 0 active_anon:189576kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98348kB dirty:0kB writeback:0kB shmem:20572kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.089009] Call Trace: [ 434.122064] Node 0 [ 434.131426] [ 434.159038] 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 [ 434.161615] dump_stack+0x1c4/0x2b4 [ 434.163819] lowmem_reserve[]: 0 [ 434.165984] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.191561] 2819 [ 434.195210] warn_alloc.cold.119+0xb7/0x1bd [ 434.198442] 6323 6323 [ 434.203657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.210021] ? lock_downgrade+0x900/0x900 [ 434.212497] Node 0 [ 434.217346] ? trace_hardirqs_off+0xb8/0x310 [ 434.221515] DMA32 free:25204kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.223731] ? trace_hardirqs_off+0xb8/0x310 [ 434.228105] lowmem_reserve[]: 0 [ 434.255119] __alloc_pages_slowpath+0x2667/0x2d80 [ 434.259517] 0 [ 434.262836] ? warn_alloc+0x120/0x120 [ 434.267635] 3503 [ 434.269453] ? warn_alloc+0x120/0x120 [ 434.273223] 3503 [ 434.275294] ? print_usage_bug+0xc0/0xc0 [ 434.279060] Node 0 [ 434.281122] ? warn_alloc+0x120/0x120 [ 434.285183] Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:187528kB inactive_anon:4168kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2180kB bounce:0kB free_pcp:1484kB local_pcp:1028kB free_cma:0kB [ 434.287395] ? print_usage_bug+0xc0/0xc0 [ 434.291172] lowmem_reserve[]: [ 434.319733] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.323772] 0 [ 434.326874] ? ktime_get+0x2e1/0x440 [ 434.331854] 0 0 [ 434.333668] ? check_preemption_disabled+0x48/0x200 [ 434.337343] 0 [ 434.339325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.344312] Node 0 [ 434.346114] ? should_fail+0x22d/0xd01 [ 434.351620] DMA: 1*4kB [ 434.353870] ? kasan_check_read+0x11/0x20 [ 434.357732] (U) [ 434.360317] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.364436] 0*8kB [ 434.366578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.371830] 0*16kB [ 434.373977] ? __lock_acquire+0x7ec/0x4ec0 [ 434.379054] 1*32kB (U) [ 434.381307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.385519] 2*64kB [ 434.388102] ? should_fail+0x22d/0xd01 [ 434.393178] (U) [ 434.395425] ? mark_held_locks+0x130/0x130 [ 434.399277] 1*128kB [ 434.401252] ? mark_held_locks+0x130/0x130 [ 434.405464] (U) [ 434.407794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.411999] 1*256kB (U) [ 434.413991] ? graph_lock+0x170/0x170 [ 434.419511] 0*512kB [ 434.422181] ? mark_held_locks+0xc7/0x130